Merge "arm/dt: msm8226: Correct the corner voltage"
diff --git a/Documentation/devicetree/bindings/arm/msm/msm_thermal.txt b/Documentation/devicetree/bindings/arm/msm/msm_thermal.txt
index 31600ca..23498e5 100644
--- a/Documentation/devicetree/bindings/arm/msm/msm_thermal.txt
+++ b/Documentation/devicetree/bindings/arm/msm/msm_thermal.txt
@@ -56,15 +56,15 @@
Optional child nodes
- qcom,<vdd restriction child node name>: Define the name of the child node.
- If this property exisits, qcom,vdd-rstr-reg, qcom,levels,
- qcom,min-level and qcom,freq-req need to exist, otherwise
- we return an error.
+ If this property exisits, qcom,vdd-rstr-reg, qcom,levels
+ need to exist. qcom,min-level is optional if qcom,freq-req
+ exists, otherwise it's required.
- qcom,vdd-rstr-reg: Name of the rail
- qcom,levels: Array of the level values. Unit is corner voltage for voltage request
or kHz for frequency request.
- qcom,min-level: Request this level as minimum level when disabling voltage
- restriction. Unit is corner voltage for voltage request
- or kHz for frequency request.
+ restriction. Unit is corner voltage for voltage request.
+ This will not be required if qcom,freq-req exists.
- qcom,freq-req: Flag to determine if we should restrict frequency on this rail
instead of voltage.
@@ -92,5 +92,11 @@
qcom,levels = <5 7 7>; /* Nominal, Super Turbo, Super Turbo */
qcom,min-level = <1>; /* No Request */
};
+
+ qcom,vdd-apps-rstr{
+ qcom,vdd-rstr-reg = "vdd_apps";
+ qcom,levels = <1881600 1958400 2265600>;
+ qcom,freq-req;
+ };
};
diff --git a/Documentation/devicetree/bindings/pil/pil-pronto.txt b/Documentation/devicetree/bindings/pil/pil-pronto.txt
index 199862f..85ccc5d 100644
--- a/Documentation/devicetree/bindings/pil/pil-pronto.txt
+++ b/Documentation/devicetree/bindings/pil/pil-pronto.txt
@@ -14,6 +14,7 @@
- vdd_pronto_pll-supply: regulator to supply pronto pll.
- qcom,firmware-name: Base name of the firmware image. Ex. "wcnss"
- qcom,gpio-err-fatal: GPIO used by the wcnss to indicate error fatal to the Apps.
+- qcom,gpio-err-ready: GPIO used by the wcnss to indicate error ready to the Apps.
- qcom,gpio-proxy-unvote: GPIO used by the wcnss to trigger proxy unvoting in
the Apps
- qcom,gpio-force-stop: GPIO used by the Apps to force the wcnss to shutdown.
@@ -32,6 +33,7 @@
/* GPIO input from wcnss */
qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_4_in 0 0>;
+ qcom,gpio-err-ready = <&smp2pgpio_ssr_smp2p_4_in 1 0>;
qcom,proxy-unvote = <&smp2pgpio_ssr_smp2p_4_in 2 0>;
/* GPIO output to wcnss */
diff --git a/arch/arm/boot/dts/apq8074-dragonboard.dtsi b/arch/arm/boot/dts/apq8074-dragonboard.dtsi
new file mode 100644
index 0000000..c56f06a
--- /dev/null
+++ b/arch/arm/boot/dts/apq8074-dragonboard.dtsi
@@ -0,0 +1,609 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/include/ "dsi-panel-sharp-qhd-video.dtsi"
+/include/ "msm8974-leds.dtsi"
+
+/ {
+ serial@f991e000 {
+ status = "ok";
+ };
+
+ qcom,mdss_dsi_sharp_qhd_video {
+ status = "ok";
+ };
+
+ qcom,hdmi_tx@fd922100 {
+ status = "ok";
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+ input-name = "gpio-keys";
+
+ vol_up {
+ label = "volume_up";
+ gpios = <&pm8941_gpios 5 0x1>;
+ linux,input-type = <1>;
+ linux,code = <115>;
+ gpio-key,wakeup;
+ debounce-interval = <15>;
+ };
+
+ general {
+ label = "general";
+ gpios = <&pm8941_gpios 23 0x1>;
+ linux,input-type = <1>;
+ linux,code = <102>;
+ gpio-key,wakeup;
+ debounce-interval = <15>;
+ };
+ };
+
+ bt_ar3002 {
+ compatible = "qca,ar3002";
+ qca,bt-reset-gpio = <&pm8941_gpios 34 0>;
+ };
+
+ hsic_hub {
+ compatible = "qcom,hsic-smsc-hub";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ smsc,reset-gpio = <&pm8941_gpios 8 0x00>;
+
+ hsic_host: hsic@f9a00000 {
+ compatible = "qcom,hsic-host";
+ reg = <0xf9a00000 0x400>;
+ #address-cells = <0>;
+ interrupt-parent = <&hsic_host>;
+ interrupts = <0 1 2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xffffffff>;
+ interrupt-map = <0 &intc 0 136 0
+ 1 &intc 0 148 0
+ 2 &msmgpio 144 0x8>;
+ interrupt-names = "core_irq", "async_irq", "wakeup";
+ HSIC_VDDCX-supply = <&pm8841_s2>;
+ HSIC_GDSC-supply = <&gdsc_usb_hsic>;
+ hsic,strobe-gpio = <&msmgpio 144 0x00>;
+ hsic,data-gpio = <&msmgpio 145 0x00>;
+ hsic,ignore-cal-pad-config;
+ hsic,strobe-pad-offset = <0x2050>;
+ hsic,data-pad-offset = <0x2054>;
+
+ qcom,msm-bus,name = "hsic";
+ qcom,msm-bus,num-cases = <2>;
+ qcom,msm-bus,active-only = <0>;
+ qcom,msm-bus,num-paths = <1>;
+ qcom,msm-bus,vectors-KBps =
+ <85 512 0 0>,
+ <85 512 40000 160000>;
+ };
+ };
+
+ i2c@f9923000 {
+ atmel_mxt_ts@4a {
+ compatible = "atmel,mxt-ts";
+ reg = <0x4a>;
+ interrupt-parent = <&msmgpio>;
+ interrupts = <61 0x2>;
+ vdd_ana-supply = <&pm8941_l18>;
+ vcc_i2c-supply = <&pm8941_s3>;
+ atmel,reset-gpio = <&msmgpio 60 0x00>;
+ atmel,irq-gpio = <&msmgpio 61 0x00>;
+ atmel,panel-coords = <0 0 566 1067>;
+ atmel,display-coords = <0 0 540 960>;
+ atmel,i2c-pull-up;
+ atmel,cfg_1 {
+ atmel,family-id = <0x81>;
+ atmel,variant-id = <0x19>;
+ atmel,version = <0x10>;
+ atmel,build = <0xaa>;
+ atmel,config = [
+ /* Object 38, Instance = 0 */
+ 0F 02 00 17 04 0C 00 00
+ /* Object 7, Instance = 0 */
+ 30 FF 19
+ /* Object 8, Instance = 0 */
+ 1B 00 05 01 00 00 08 08 00 00
+ /* Object 9, Instance = 0 */
+ 83 00 00 13 0B 00 10 23 01 03
+ 0A 0F 01 0B 04 05 28 0A 2B 04
+ 36 02 00 00 00 00 8F 28 8F 50
+ 12 0F 32 32 02
+ /* Object 15, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ 00
+ /* Object 18, Instance = 0 */
+ 00 00
+ /* Object 19, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00
+ /* Object 23, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00
+ /* Object 25, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00
+ /* Object 40, Instance = 0 */
+ 00 00 00 00 00
+ /* Object 42, Instance = 0 */
+ 00 00 00 00 00 00 00 00
+ /* Object 46, Instance = 0 */
+ 00 03 10 30 00 00 01 00 00
+ /* Object 47, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ /* Object 48, Instance = 0 */
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00
+ ];
+ };
+ };
+ };
+
+ gen-vkeys {
+ compatible = "qcom,gen-vkeys";
+ label = "atmel_mxt_ts";
+ qcom,disp-maxx = <540>;
+ qcom,disp-maxy = <960>;
+ qcom,panel-maxx = <566>;
+ qcom,panel-maxy = <1067>;
+ qcom,key-codes = <158 139 102 217>;
+ };
+
+ sound {
+ qcom,model = "apq8074-taiko-db-snd-card";
+ qcom,hdmi-audio-rx;
+
+ qcom,audio-routing =
+ "RX_BIAS", "MCLK",
+ "LDO_H", "MCLK",
+ "AMIC1", "MIC BIAS1 External",
+ "MIC BIAS1 External", "Analog Mic4",
+ "AMIC2", "MIC BIAS2 External",
+ "MIC BIAS2 External", "Headset Mic",
+ "AMIC3", "MIC BIAS2 External",
+ "MIC BIAS2 External", "ANCRight Headset Mic",
+ "AMIC4", "MIC BIAS2 External",
+ "MIC BIAS2 External", "ANCLeft Headset Mic",
+ "AMIC5", "MIC BIAS1 External",
+ "MIC BIAS1 External", "Analog Mic6",
+ "AMIC6", "MIC BIAS1 External",
+ "MIC BIAS1 External", "Analog Mic7",
+ "DMIC1", "MIC BIAS3 External",
+ "MIC BIAS3 External", "Digital Mic1",
+ "DMIC2", "MIC BIAS3 External",
+ "MIC BIAS3 External", "Digital Mic2",
+ "DMIC3", "MIC BIAS4 External",
+ "MIC BIAS4 External", "Digital Mic3",
+ "DMIC4", "MIC BIAS3 External",
+ "MIC BIAS3 External", "Digital Mic4",
+ "DMIC5", "MIC BIAS4 External",
+ "MIC BIAS4 External", "Digital Mic5",
+ "DMIC6", "MIC BIAS4 External",
+ "MIC BIAS4 External", "Digital Mic6";
+ };
+};
+
+&mdss_fb0 {
+ qcom,memory-reservation-size = <0x1000000>; /* size 16MB */
+};
+
+&sdcc3 {
+ qcom,sup-voltages = <2000 2000>;
+ status = "ok";
+};
+
+&pm8941_l19 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ qcom,init-voltage = <3300000>;
+ regulator-always-on;
+};
+
+&pm8941_l10 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ qcom,init-voltage = <1800000>;
+ regulator-always-on;
+};
+
+&uart7 {
+ status = "ok";
+ qcom,tx-gpio = <&msmgpio 41 0x00>;
+ qcom,rx-gpio = <&msmgpio 42 0x00>;
+ qcom,cts-gpio = <&msmgpio 43 0x00>;
+ qcom,rfr-gpio = <&msmgpio 44 0x00>;
+};
+
+&usb3 {
+ qcom,charging-disabled;
+};
+
+&slim_msm {
+ taiko_codec {
+ qcom,cdc-micbias2-ext-cap;
+ qcom,cdc-micbias3-ext-cap;
+ };
+};
+
+&pm8941_gpios {
+ gpio@c000 { /* GPIO 1 */
+ qcom,mode = <0>;
+ qcom,pull = <0>;
+ qcom,vin-sel = <2>;
+ qcom,src-sel = <0>;
+ };
+
+ gpio@c100 { /* GPIO 2 */
+ qcom,mode = <0>;
+ qcom,pull = <0>;
+ qcom,vin-sel = <2>;
+ qcom,src-sel = <0>;
+ };
+
+ gpio@c200 { /* GPIO 3 */
+ };
+
+ gpio@c300 { /* GPIO 4 */
+ };
+
+ gpio@c400 { /* GPIO 5 */
+ qcom,mode = <0>;
+ qcom,pull = <0>;
+ qcom,vin-sel = <2>;
+ qcom,src-sel = <0>;
+ };
+
+ gpio@c500 { /* GPIO 6 */
+ /* TUSB3_HUB-RESET */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <0>; /* QPNP_PIN_PULL_30 */
+ qcom,vin-sel = <0>; /* QPNP_PIN_VIN0 VPH */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,invert = <1>; /* Keep it out of reset */
+ qcom,master-en = <1>;
+ };
+
+ gpio@c600 { /* GPIO 7 */
+ };
+
+ gpio@c700 { /* GPIO 8 */
+ /* HSIC_HUB-RESET */
+ qcom,mode = <1>; /* DIG_OUT */
+ qcom,pull = <5>; /* PULL_NO */
+ qcom,out-strength = <2>; /* STRENGTH_MED */
+ qcom,master-en = <1>;
+ };
+
+ gpio@c800 { /* GPIO 9 */
+ /* GbE_RST_N */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <0>; /* QPNP_PIN_PULL_30 */
+ qcom,vin-sel = <0>; /* QPNP_PIN_VIN0 VPH */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,invert = <1>; /* Keep it out of reset */
+ qcom,master-en = <1>;
+ };
+
+ gpio@c900 { /* GPIO 10 */
+ /* SATA_RST_N */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <0>; /* QPNP_PIN_PULL_30 */
+ qcom,vin-sel = <0>; /* QPNP_PIN_VIN0 VPH */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,invert = <1>; /* Keep it out of reset */
+ qcom,master-en = <1>;
+ };
+
+ gpio@ca00 { /* GPIO 11 */
+ };
+
+ gpio@cb00 { /* GPIO 12 */
+ };
+
+ gpio@cc00 { /* GPIO 13 */
+ };
+
+ gpio@cd00 { /* GPIO 14 */
+ };
+
+ gpio@ce00 { /* GPIO 15 */
+ qcom,mode = <1>;
+ qcom,output-type = <0>;
+ qcom,pull = <5>;
+ qcom,vin-sel = <2>;
+ qcom,out-strength = <3>;
+ qcom,src-sel = <2>;
+ qcom,master-en = <1>;
+ };
+
+ gpio@cf00 { /* GPIO 16 */
+ };
+
+ gpio@d000 { /* GPIO 17 */
+ };
+
+ gpio@d100 { /* GPIO 18 */
+ };
+
+ gpio@d200 { /* GPIO 19 */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <5>; /* QPNP_PIN_PULL_NO */
+ qcom,vin-sel = <2>; /* QPNP_PIN_VIN2 */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,master-en = <1>;
+ };
+
+ gpio@d300 { /* GPIO 20 */
+ };
+
+ gpio@d400 { /* GPIO 21 */
+ };
+
+ gpio@d500 { /* GPIO 22 */
+ };
+
+ gpio@d600 { /* GPIO 23 */
+ };
+
+ gpio@d700 { /* GPIO 24 */
+ };
+
+ gpio@d800 { /* GPIO 25 */
+ };
+
+ gpio@d900 { /* GPIO 26 */
+ };
+
+ gpio@da00 { /* GPIO 27 */
+ };
+
+ gpio@db00 { /* GPIO 28 */
+ };
+
+ gpio@dc00 { /* GPIO 29 */
+ qcom,pull = <0>; /* set to default pull */
+ qcom,master-en = <1>;
+ qcom,vin-sel = <2>; /* select 1.8 V source */
+ };
+
+ gpio@dd00 { /* GPIO 30 */
+ };
+
+ gpio@de00 { /* GPIO 31 */
+ };
+
+ gpio@df00 { /* GPIO 32 */
+ };
+
+ gpio@e000 { /* GPIO 33 */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <5>; /* QPNP_PIN_PULL_NO */
+ qcom,vin-sel = <2>; /* QPNP_PIN_VIN2 */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,invert = <1>;
+ qcom,master-en = <1>;
+ };
+
+ gpio@e100 { /* GPIO 34 */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <5>; /* QPNP_PIN_PULL_NO */
+ qcom,vin-sel = <2>; /* QPNP_PIN_VIN2 */
+ qcom,out-strength = <2>; /* QPNP_PIN_OUT_STRENGTH_MED */
+ qcom,src-sel = <0>; /* QPNP_PIN_SEL_FUNC_CONSTANT */
+ qcom,invert = <0>;
+ qcom,master-en = <1>;
+ };
+
+ gpio@e200 { /* GPIO 35 */
+ };
+
+ gpio@e300 { /* GPIO 36 */
+ qcom,mode = <1>; /* QPNP_PIN_MODE_DIG_OUT */
+ qcom,output-type = <0>; /* QPNP_PIN_OUT_BUF_CMOS */
+ qcom,pull = <5>; /* QPNP_PIN_PULL_NO */
+ qcom,vin-sel = <2>; /* QPNP_PIN_VIN2 */
+ qcom,out-strength = <3>; /* QPNP_PIN_OUT_STRENGTH_HIGH */
+ qcom,src-sel = <3>; /* QPNP_PIN_SEL_FUNC_2 */
+ qcom,master-en = <1>;
+ };
+};
+
+&pm8941_mpps {
+
+ mpp@a000 { /* MPP 1 */
+ };
+
+ mpp@a100 { /* MPP 2 */
+ };
+
+ mpp@a200 { /* MPP 3 */
+ };
+
+ mpp@a300 { /* MPP 4 */
+ };
+
+ mpp@a400 { /* MPP 5 */
+ };
+
+ mpp@a500 { /* MPP 6 */
+ };
+
+ mpp@a600 { /* MPP 7 */
+ };
+
+ mpp@a700 { /* MPP 8 */
+ };
+};
+
+&pm8841_mpps {
+
+ mpp@a000 { /* MPP 1 */
+ };
+
+ mpp@a100 { /* MPP 2 */
+ };
+
+ mpp@a200 { /* MPP 3*/
+ };
+
+ mpp@a300 { /* MPP 4*/
+ };
+};
+
+&spi_epm {
+ epm-adc@0 {
+ compatible = "cy,epm-adc-cy8c5568lti-114";
+ reg = <0>;
+ interrupt-parent = <&msmgpio>;
+ spi-max-frequency = <960000>;
+ qcom,channels = <31>;
+ qcom,gain = <50 50 50 50 50 100 50 50 50 50
+ 50 50 50 50 100 50 50 50 50 100
+ 50 50 50 100 50 50 50 1 1 1
+ 1>;
+ qcom,rsense = <40 10 10 25 10 1000 75 25 10 25
+ 33 500 200 10 500 100 33 200 25 100
+ 75 500 50 200 5 5 3 1 1 1
+ 1>;
+ qcom,channel-type = <0xf0000000>;
+ };
+};
+
+&spmi_bus {
+ qcom,pm8941@1 {
+ qcom,leds@d000 {
+ qcom,rgb_2 {
+ status = "ok";
+ qcom,default-state = "on";
+ qcom,turn-off-delay-ms = <1000>;
+ };
+ };
+
+ qcom,leds@d800 {
+ status = "okay";
+ qcom,wled_0 {
+ label = "wled";
+ linux,name = "wled:backlight";
+ linux,default-trigger = "bkl-trigger";
+ qcom,cs-out-en;
+ qcom,op-fdbck = <1>;
+ qcom,default-state = "on";
+ qcom,max-current = <25>;
+ qcom,ctrl-delay-us = <0>;
+ qcom,boost-curr-lim = <3>;
+ qcom,cp-sel = <0>;
+ qcom,switch-freq = <2>;
+ qcom,ovp-val = <2>;
+ qcom,num-strings = <1>;
+ qcom,id = <0>;
+ };
+ };
+ };
+};
+
+&pm8941_chg {
+ status = "ok";
+
+ qcom,chg-charging-disabled;
+
+ qcom,chg-chgr@1000 {
+ status = "ok";
+ };
+
+ qcom,chg-buck@1100 {
+ status = "ok";
+ };
+
+ qcom,chg-usb-chgpth@1300 {
+ status = "ok";
+ };
+
+ qcom,chg-dc-chgpth@1400 {
+ status = "ok";
+ };
+
+ qcom,chg-boost@1500 {
+ status = "ok";
+ };
+
+ qcom,chg-misc@1600 {
+ status = "ok";
+ };
+};
+
+&sdhc_1 {
+ vdd-supply = <&pm8941_l20>;
+ vdd-io-supply = <&pm8941_s3>;
+
+ qcom,vdd-always-on;
+ qcom,vdd-lpm-sup;
+ qcom,vdd-voltage-level = <2950000 2950000>;
+ qcom,vdd-current-level = <800 500000>;
+
+ qcom,vdd-io-always-on;
+ qcom,vdd-io-voltage-level = <1800000 1800000>;
+ qcom,vdd-io-current-level = <250 154000>;
+
+ qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+ qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+ qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
+ qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
+
+ qcom,nonremovable;
+ status = "ok";
+};
+
+&sdhc_2 {
+ #address-cells = <0>;
+ interrupt-parent = <&sdhc_2>;
+ interrupts = <0 1 2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xffffffff>;
+ interrupt-map = <0 &intc 0 125 0
+ 1 &intc 0 221 0
+ 2 &msmgpio 62 0x3>;
+ interrupt-names = "hc_irq", "pwr_irq", "status_irq";
+ cd-gpios = <&msmgpio 62 0x1>;
+
+ vdd-supply = <&pm8941_l21>;
+ vdd-io-supply = <&pm8941_l13>;
+
+ qcom,vdd-voltage-level = <2950000 2950000>;
+ qcom,vdd-current-level = <9000 800000>;
+
+ qcom,vdd-io-voltage-level = <1800000 2950000>;
+ qcom,vdd-io-current-level = <6 22000>;
+
+ qcom,pad-pull-on = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+ qcom,pad-pull-off = <0x0 0x3 0x3>; /* no-pull, pull-up, pull-up */
+ qcom,pad-drv-on = <0x4 0x4 0x4>; /* 10mA, 10mA, 10mA */
+ qcom,pad-drv-off = <0x0 0x0 0x0>; /* 2mA, 2mA, 2mA */
+ status = "ok";
+};
diff --git a/arch/arm/boot/dts/apq8074-v2-dragonboard.dts b/arch/arm/boot/dts/apq8074-v2-dragonboard.dts
new file mode 100644
index 0000000..5a6f5f3
--- /dev/null
+++ b/arch/arm/boot/dts/apq8074-v2-dragonboard.dts
@@ -0,0 +1,22 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+
+/include/ "apq8074-v2.dtsi"
+/include/ "apq8074-dragonboard.dtsi"
+
+/ {
+ model = "Qualcomm APQ 8074v2 DRAGONBOARD";
+ compatible = "qcom,apq8074-dragonboard", "qcom,apq8074", "qcom,dragonboard";
+ qcom,msm-id = <184 10 0x20000>;
+};
diff --git a/arch/arm/boot/dts/apq8074-v2.dtsi b/arch/arm/boot/dts/apq8074-v2.dtsi
index 3b65236..9c93ed4 100644
--- a/arch/arm/boot/dts/apq8074-v2.dtsi
+++ b/arch/arm/boot/dts/apq8074-v2.dtsi
@@ -18,7 +18,7 @@
/include/ "msm8974-v2.dtsi"
-/ {
+&soc {
qcom,qseecom@a700000 {
compatible = "qcom,qseecom";
reg = <0x0a700000 0x500000>;
diff --git a/arch/arm/boot/dts/apq8084-ion.dtsi b/arch/arm/boot/dts/apq8084-ion.dtsi
index aac4230..ea954b8 100644
--- a/arch/arm/boot/dts/apq8084-ion.dtsi
+++ b/arch/arm/boot/dts/apq8084-ion.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/apq8084-sim.dts b/arch/arm/boot/dts/apq8084-sim.dts
index ebcca1b..e206d4d 100644
--- a/arch/arm/boot/dts/apq8084-sim.dts
+++ b/arch/arm/boot/dts/apq8084-sim.dts
@@ -22,7 +22,9 @@
aliases {
serial0 = &uart0;
};
+};
+&soc {
uart0: serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/apq8084.dtsi b/arch/arm/boot/dts/apq8084.dtsi
index 95b1c8f..ba1ccd7 100644
--- a/arch/arm/boot/dts/apq8084.dtsi
+++ b/arch/arm/boot/dts/apq8084.dtsi
@@ -11,12 +11,20 @@
*/
/include/ "skeleton.dtsi"
-/include/ "apq8084-ion.dtsi"
/ {
model = "Qualcomm APQ 8084";
compatible = "qcom,apq8084";
interrupt-parent = <&intc>;
+ soc: soc { };
+};
+
+/include/ "apq8084-ion.dtsi"
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
intc: interrupt-controller@f9000000 {
compatible = "qcom,msm-qgic2";
diff --git a/arch/arm/boot/dts/dsi-panel-nt35590-720p-video.dtsi b/arch/arm/boot/dts/dsi-panel-nt35590-720p-video.dtsi
index c0c9107..10ca8a8 100644
--- a/arch/arm/boot/dts/dsi-panel-nt35590-720p-video.dtsi
+++ b/arch/arm/boot/dts/dsi-panel-nt35590-720p-video.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_dsi_nt35590_720p_video {
compatible = "qcom,mdss-dsi-panel";
label = "nt35590 720p video mode dsi panel";
diff --git a/arch/arm/boot/dts/dsi-panel-orise-720p-video.dtsi b/arch/arm/boot/dts/dsi-panel-orise-720p-video.dtsi
index 448d357..a27a88a 100644
--- a/arch/arm/boot/dts/dsi-panel-orise-720p-video.dtsi
+++ b/arch/arm/boot/dts/dsi-panel-orise-720p-video.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_dsi_orise_720p_video {
compatible = "qcom,mdss-dsi-panel";
label = "orise 720p video mode dsi panel";
diff --git a/arch/arm/boot/dts/dsi-panel-sharp-qhd-video.dtsi b/arch/arm/boot/dts/dsi-panel-sharp-qhd-video.dtsi
index f853285..d182bac 100644
--- a/arch/arm/boot/dts/dsi-panel-sharp-qhd-video.dtsi
+++ b/arch/arm/boot/dts/dsi-panel-sharp-qhd-video.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_dsi_sharp_qhd_video {
compatible = "qcom,mdss-dsi-panel";
label = "sharp QHD LS043T1LE01 video mode dsi panel";
diff --git a/arch/arm/boot/dts/dsi-panel-sim-video.dtsi b/arch/arm/boot/dts/dsi-panel-sim-video.dtsi
index 9a734a0..3b39dea 100644
--- a/arch/arm/boot/dts/dsi-panel-sim-video.dtsi
+++ b/arch/arm/boot/dts/dsi-panel-sim-video.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_dsi_sim_video {
compatible = "qcom,mdss-dsi-panel";
diff --git a/arch/arm/boot/dts/dsi-panel-toshiba-720p-video.dtsi b/arch/arm/boot/dts/dsi-panel-toshiba-720p-video.dtsi
index 2937cde..82b57cd 100644
--- a/arch/arm/boot/dts/dsi-panel-toshiba-720p-video.dtsi
+++ b/arch/arm/boot/dts/dsi-panel-toshiba-720p-video.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_dsi_toshiba_720p_video {
compatible = "qcom,mdss-dsi-panel";
diff --git a/arch/arm/boot/dts/mpq8092-ion.dtsi b/arch/arm/boot/dts/mpq8092-ion.dtsi
index 2cd2f7b..ee3fbc4 100644
--- a/arch/arm/boot/dts/mpq8092-ion.dtsi
+++ b/arch/arm/boot/dts/mpq8092-ion.dtsi
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/mpq8092-sim.dts b/arch/arm/boot/dts/mpq8092-sim.dts
index fc07c59..ce97d4d 100644
--- a/arch/arm/boot/dts/mpq8092-sim.dts
+++ b/arch/arm/boot/dts/mpq8092-sim.dts
@@ -18,7 +18,9 @@
model = "Qualcomm MPQ8092 Simulator";
compatible = "qcom,mpq8092-sim", "qcom,mpq8092";
qcom,msm-id = <126 16 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/mpq8092.dtsi b/arch/arm/boot/dts/mpq8092.dtsi
index c92dad9..4dea9e0 100644
--- a/arch/arm/boot/dts/mpq8092.dtsi
+++ b/arch/arm/boot/dts/mpq8092.dtsi
@@ -11,15 +11,24 @@
*/
/include/ "skeleton.dtsi"
-/include/ "mpq8092-iommu.dtsi"
-/include/ "msm-gdsc.dtsi"
-/include/ "mpq8092-ion.dtsi"
/ {
model = "Qualcomm MPQ8092";
compatible = "qcom,mpq8092";
interrupt-parent = <&intc>;
+ soc: soc { };
+};
+
+/include/ "mpq8092-iommu.dtsi"
+/include/ "msm-gdsc.dtsi"
+/include/ "mpq8092-ion.dtsi"
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
intc: interrupt-controller@f9000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
diff --git a/arch/arm/boot/dts/msm-gdsc.dtsi b/arch/arm/boot/dts/msm-gdsc.dtsi
index cfd68fa..d4c5061 100644
--- a/arch/arm/boot/dts/msm-gdsc.dtsi
+++ b/arch/arm/boot/dts/msm-gdsc.dtsi
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -13,7 +13,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
gdsc_venus: qcom,gdsc@fd8c1024 {
compatible = "qcom,gdsc";
regulator-name = "gdsc_venus";
diff --git a/arch/arm/boot/dts/msm-iommu-v0.dtsi b/arch/arm/boot/dts/msm-iommu-v0.dtsi
index 0c44fb5..1cc3c59 100644
--- a/arch/arm/boot/dts/msm-iommu-v0.dtsi
+++ b/arch/arm/boot/dts/msm-iommu-v0.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
lpass_iommu: qcom,iommu@fd000000 {
compatible = "qcom,msm-smmu-v0";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm-iommu-v1.dtsi b/arch/arm/boot/dts/msm-iommu-v1.dtsi
index 71dcc6a..f495850 100644
--- a/arch/arm/boot/dts/msm-iommu-v1.dtsi
+++ b/arch/arm/boot/dts/msm-iommu-v1.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
jpeg_iommu: qcom,iommu@fda64000 {
compatible = "qcom,msm-smmu-v1";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8226-bus.dtsi b/arch/arm/boot/dts/msm8226-bus.dtsi
index 3c41e9e..d87aa3e 100644
--- a/arch/arm/boot/dts/msm8226-bus.dtsi
+++ b/arch/arm/boot/dts/msm8226-bus.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm-mmss-noc@fc478000 {
compatible = "msm-bus-fabric";
reg = <0xfc478000 0x00004000>;
diff --git a/arch/arm/boot/dts/msm8226-camera-sensor-cdp.dtsi b/arch/arm/boot/dts/msm8226-camera-sensor-cdp.dtsi
index c47d48d..07f16b9 100644
--- a/arch/arm/boot/dts/msm8226-camera-sensor-cdp.dtsi
+++ b/arch/arm/boot/dts/msm8226-camera-sensor-cdp.dtsi
@@ -11,7 +11,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
led_flash0: qcom,camera-led-flash {
cell-index = <0>;
diff --git a/arch/arm/boot/dts/msm8226-camera-sensor-mtp.dtsi b/arch/arm/boot/dts/msm8226-camera-sensor-mtp.dtsi
index 1f7ba89..f06033e 100644
--- a/arch/arm/boot/dts/msm8226-camera-sensor-mtp.dtsi
+++ b/arch/arm/boot/dts/msm8226-camera-sensor-mtp.dtsi
@@ -11,7 +11,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
led_flash0: qcom,camera-led-flash {
cell-index = <0>;
diff --git a/arch/arm/boot/dts/msm8226-camera-sensor-qrd.dtsi b/arch/arm/boot/dts/msm8226-camera-sensor-qrd.dtsi
index 5ea02b4..47f4049 100644
--- a/arch/arm/boot/dts/msm8226-camera-sensor-qrd.dtsi
+++ b/arch/arm/boot/dts/msm8226-camera-sensor-qrd.dtsi
@@ -11,7 +11,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
led_flash0: qcom,camera-led-flash {
cell-index = <0>;
diff --git a/arch/arm/boot/dts/msm8226-camera.dtsi b/arch/arm/boot/dts/msm8226-camera.dtsi
index e94459e..0dae162 100644
--- a/arch/arm/boot/dts/msm8226-camera.dtsi
+++ b/arch/arm/boot/dts/msm8226-camera.dtsi
@@ -11,7 +11,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,msm-cam@fd8c0000 {
compatible = "qcom,msm-cam";
reg = <0xfd8c0000 0x10000>;
diff --git a/arch/arm/boot/dts/msm8226-cdp.dts b/arch/arm/boot/dts/msm8226-cdp.dts
index b203540..f887740 100644
--- a/arch/arm/boot/dts/msm8226-cdp.dts
+++ b/arch/arm/boot/dts/msm8226-cdp.dts
@@ -19,7 +19,9 @@
model = "Qualcomm MSM 8226 CDP";
compatible = "qcom,msm8226-cdp", "qcom,msm8226", "qcom,cdp";
qcom,msm-id = <145 1 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8226-coresight.dtsi b/arch/arm/boot/dts/msm8226-coresight.dtsi
index 993b4e6..e4a42fa 100644
--- a/arch/arm/boot/dts/msm8226-coresight.dtsi
+++ b/arch/arm/boot/dts/msm8226-coresight.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
tmc_etr: tmc@fc322000 {
compatible = "arm,coresight-tmc";
reg = <0xfc322000 0x1000>,
diff --git a/arch/arm/boot/dts/msm8226-fluid.dts b/arch/arm/boot/dts/msm8226-fluid.dts
index d70ef6e..7b11200 100644
--- a/arch/arm/boot/dts/msm8226-fluid.dts
+++ b/arch/arm/boot/dts/msm8226-fluid.dts
@@ -17,7 +17,9 @@
model = "Qualcomm MSM 8226 FLUID";
compatible = "qcom,msm8226-fluid", "qcom,msm8226", "qcom,fluid";
qcom,msm-id = <145 3 0>;
+};
+&soc {
serial@f991f000 {
status = "disabled";
};
diff --git a/arch/arm/boot/dts/msm8226-gpu.dtsi b/arch/arm/boot/dts/msm8226-gpu.dtsi
index bb2f0d4..d83df1e 100644
--- a/arch/arm/boot/dts/msm8226-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8226-gpu.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm_gpu: qcom,kgsl-3d0@fdb00000 {
label = "kgsl-3d0";
compatible = "qcom,kgsl-3d0", "qcom,kgsl-3d";
@@ -22,8 +22,7 @@
qcom,chipid = <0x03000510>;
- qcom,initial-pwrlevel = <2>;
- qcom,step-pwrlevel = <2>;
+ qcom,initial-pwrlevel = <1>;
qcom,idle-timeout = <8>; //<HZ/12>
qcom,nap-allowed = <1>;
diff --git a/arch/arm/boot/dts/msm8226-iommu-domains.dtsi b/arch/arm/boot/dts/msm8226-iommu-domains.dtsi
index 6ea5b9e..25fca2a 100644
--- a/arch/arm/boot/dts/msm8226-iommu-domains.dtsi
+++ b/arch/arm/boot/dts/msm8226-iommu-domains.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,iommu-domains {
compatible = "qcom,iommu-domains";
diff --git a/arch/arm/boot/dts/msm8226-ion.dtsi b/arch/arm/boot/dts/msm8226-ion.dtsi
index 9ada271..dee64e5 100644
--- a/arch/arm/boot/dts/msm8226-ion.dtsi
+++ b/arch/arm/boot/dts/msm8226-ion.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8226-mdss.dtsi b/arch/arm/boot/dts/msm8226-mdss.dtsi
index 5aa39d3..f580897 100644
--- a/arch/arm/boot/dts/msm8226-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8226-mdss.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_mdp@fd900000 {
compatible = "qcom,mdss_mdp";
reg = <0xfd900000 0x22100>,
diff --git a/arch/arm/boot/dts/msm8226-mtp.dts b/arch/arm/boot/dts/msm8226-mtp.dts
index 1f8a773..3dd517b 100644
--- a/arch/arm/boot/dts/msm8226-mtp.dts
+++ b/arch/arm/boot/dts/msm8226-mtp.dts
@@ -19,7 +19,9 @@
model = "Qualcomm MSM 8226 MTP";
compatible = "qcom,msm8226-mtp", "qcom,msm8226", "qcom,mtp";
qcom,msm-id = <145 8 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8226-pm.dtsi b/arch/arm/boot/dts/msm8226-pm.dtsi
index 7986d81..3240efb 100644
--- a/arch/arm/boot/dts/msm8226-pm.dtsi
+++ b/arch/arm/boot/dts/msm8226-pm.dtsi
@@ -12,7 +12,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,spm@f9089000 {
compatible = "qcom,spm-v2";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8226-qrd.dts b/arch/arm/boot/dts/msm8226-qrd.dts
index 660fb3e..721bcbb 100644
--- a/arch/arm/boot/dts/msm8226-qrd.dts
+++ b/arch/arm/boot/dts/msm8226-qrd.dts
@@ -19,7 +19,9 @@
model = "Qualcomm MSM 8226 QRD";
compatible = "qcom,msm8226-qrd", "qcom,msm8226", "qcom,qrd";
qcom,msm-id = <145 11 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8226-regulator.dtsi b/arch/arm/boot/dts/msm8226-regulator.dtsi
index 4551f03..7fa9081 100644
--- a/arch/arm/boot/dts/msm8226-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8226-regulator.dtsi
@@ -26,7 +26,7 @@
/* CPR controlled regulator */
-/ {
+&soc {
apc_vreg_corner: regulator@f9018000 {
status = "okay";
compatible = "qcom,cpr-regulator";
diff --git a/arch/arm/boot/dts/msm8226-sim.dts b/arch/arm/boot/dts/msm8226-sim.dts
index 00c0e2e..3cca8b0 100644
--- a/arch/arm/boot/dts/msm8226-sim.dts
+++ b/arch/arm/boot/dts/msm8226-sim.dts
@@ -18,7 +18,9 @@
model = "Qualcomm MSM 8226 Simulator";
compatible = "qcom,msm8226-sim", "qcom,msm8226", "qcom,sim";
qcom,msm-id = <145 16 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8226-smp2p.dtsi b/arch/arm/boot/dts/msm8226-smp2p.dtsi
index 079e4ca..3921a68 100644
--- a/arch/arm/boot/dts/msm8226-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8226-smp2p.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,smp2p-modem {
compatible = "qcom,smp2p";
reg = <0xf9011008 0x4>;
diff --git a/arch/arm/boot/dts/msm8226.dtsi b/arch/arm/boot/dts/msm8226.dtsi
index f71e916..6c06336 100644
--- a/arch/arm/boot/dts/msm8226.dtsi
+++ b/arch/arm/boot/dts/msm8226.dtsi
@@ -11,42 +11,12 @@
*/
/include/ "skeleton.dtsi"
-/include/ "msm8226-ion.dtsi"
-/include/ "msm8226-camera.dtsi"
-/include/ "msm-gdsc.dtsi"
-/include/ "msm8226-iommu.dtsi"
-/include/ "msm8226-pm.dtsi"
-/include/ "msm8226-smp2p.dtsi"
-/include/ "msm8226-gpu.dtsi"
-/include/ "msm8226-bus.dtsi"
-/include/ "msm8226-mdss.dtsi"
-/include/ "msm8226-coresight.dtsi"
-/include/ "msm8226-iommu-domains.dtsi"
+
/ {
model = "Qualcomm MSM 8226";
compatible = "qcom,msm8226";
interrupt-parent = <&intc>;
- intc: interrupt-controller@f9000000 {
- compatible = "qcom,msm-qgic2";
- interrupt-controller;
- #interrupt-cells = <3>;
- reg = <0xF9000000 0x1000>,
- <0xF9002000 0x1000>;
- };
-
- msmgpio: gpio@fd510000 {
- compatible = "qcom,msm-gpio";
- interrupt-controller;
- #interrupt-cells = <2>;
- reg = <0xfd510000 0x4000>;
- gpio-controller;
- #gpio-cells = <2>;
- ngpio = <117>;
- interrupts = <0 208 0>;
- qcom,direct-connect-irqs = <8>;
- };
-
aliases {
spi0 = &spi_0;
sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
@@ -65,7 +35,46 @@
reg = <0 0x780000>;
label = "qsecom_mem";
};
+ };
+ soc: soc { };
+};
+
+/include/ "msm8226-ion.dtsi"
+/include/ "msm8226-camera.dtsi"
+/include/ "msm-gdsc.dtsi"
+/include/ "msm8226-iommu.dtsi"
+/include/ "msm8226-pm.dtsi"
+/include/ "msm8226-smp2p.dtsi"
+/include/ "msm8226-gpu.dtsi"
+/include/ "msm8226-bus.dtsi"
+/include/ "msm8226-mdss.dtsi"
+/include/ "msm8226-coresight.dtsi"
+/include/ "msm8226-iommu-domains.dtsi"
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ intc: interrupt-controller@f9000000 {
+ compatible = "qcom,msm-qgic2";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xF9000000 0x1000>,
+ <0xF9002000 0x1000>;
+ };
+
+ msmgpio: gpio@fd510000 {
+ compatible = "qcom,msm-gpio";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0xfd510000 0x4000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpio = <117>;
+ interrupts = <0 208 0>;
+ qcom,direct-connect-irqs = <8>;
};
qcom,mpm2-sleep-counter@fc4a3000 {
@@ -750,6 +759,7 @@
/* GPIO inputs from wcnss */
qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_4_in 0 0>;
+ qcom,gpio-err-ready = <&smp2pgpio_ssr_smp2p_4_in 1 0>;
qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_4_in 2 0>;
/* GPIO output to wcnss */
diff --git a/arch/arm/boot/dts/msm8610-bus.dtsi b/arch/arm/boot/dts/msm8610-bus.dtsi
index 50066f3..2e7ba25 100644
--- a/arch/arm/boot/dts/msm8610-bus.dtsi
+++ b/arch/arm/boot/dts/msm8610-bus.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm-mmss-noc@fc478000 {
compatible = "msm-bus-fabric";
reg = <0xfc478000 0x00004000>;
diff --git a/arch/arm/boot/dts/msm8610-cdp.dts b/arch/arm/boot/dts/msm8610-cdp.dts
index 6161ad2..28e9dc5 100644
--- a/arch/arm/boot/dts/msm8610-cdp.dts
+++ b/arch/arm/boot/dts/msm8610-cdp.dts
@@ -20,7 +20,9 @@
compatible = "qcom,msm8610-cdp", "qcom,msm8610", "qcom,cdp";
qcom,msm-id = <147 1 0>, <165 1 0>, <161 1 0>, <162 1 0>,
<163 1 0>, <164 1 0>, <166 1 0>;
+};
+&soc {
serial@f991e000 {
status = "ok";
};
@@ -88,6 +90,51 @@
};
};
+&i2c_cdc {
+ msm8x10_wcd_codec@0d{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x0d>;
+ cdc-vdda-cp-supply = <&pm8110_s4>;
+ qcom,cdc-vdda-cp-voltage = <2150000 2150000>;
+ qcom,cdc-vdda-cp-current = <650000>;
+
+ cdc-vdda-h-supply = <&pm8110_l6>;
+ qcom,cdc-vdda-h-voltage = <1800000 1800000>;
+ qcom,cdc-vdda-h-current = <250000>;
+
+ cdc-vdd-px-supply = <&pm8110_l6>;
+ qcom,cdc-vdd-px-voltage = <1800000 1800000>;
+ qcom,cdc-vdd-px-current = <10000>;
+
+ cdc-vdd-1p2v-supply = <&pm8110_l4>;
+ qcom,cdc-vdd-1p2v-voltage = <1200000 1200000>;
+ qcom,cdc-vdd-1p2v-current = <5000>;
+
+ cdc-vdd-mic-bias-supply = <&pm8110_l20>;
+ qcom,cdc-vdd-mic-bias-voltage = <3075000 3075000>;
+ qcom,cdc-vdd-mic-bias-current = <25000>;
+
+ qcom,cdc-micbias-cfilt-sel = <0x0>;
+ qcom,cdc-micbias-cfilt-mv = <1800000>;
+ qcom,cdc-mclk-clk-rate = <12288000>;
+ };
+
+ msm8x10_wcd_codec@77{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x77>;
+ };
+
+ msm8x10_wcd_codec@66{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x66>;
+ };
+
+ msm8x10_wcd_codec@55{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x55>;
+ };
+};
+
&spmi_bus {
qcom,pm8110@0 {
qcom,leds@a100 {
diff --git a/arch/arm/boot/dts/msm8610-coresight.dtsi b/arch/arm/boot/dts/msm8610-coresight.dtsi
index a0a2c14..4945693 100644
--- a/arch/arm/boot/dts/msm8610-coresight.dtsi
+++ b/arch/arm/boot/dts/msm8610-coresight.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
tmc_etr: tmc@fc326000 {
compatible = "arm,coresight-tmc";
reg = <0xfc326000 0x1000>,
diff --git a/arch/arm/boot/dts/msm8610-gpu.dtsi b/arch/arm/boot/dts/msm8610-gpu.dtsi
index 5580f73..d1b30ee 100644
--- a/arch/arm/boot/dts/msm8610-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8610-gpu.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm_gpu: qcom,kgsl-3d0@fdc00000 {
label = "kgsl-3d0";
compatible = "qcom,kgsl-3d0", "qcom,kgsl-3d";
diff --git a/arch/arm/boot/dts/msm8610-iommu-domains.dtsi b/arch/arm/boot/dts/msm8610-iommu-domains.dtsi
index 0f48517..6f43897 100644
--- a/arch/arm/boot/dts/msm8610-iommu-domains.dtsi
+++ b/arch/arm/boot/dts/msm8610-iommu-domains.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,iommu-domains {
compatible = "qcom,iommu-domains";
diff --git a/arch/arm/boot/dts/msm8610-ion.dtsi b/arch/arm/boot/dts/msm8610-ion.dtsi
index 7d7d8fd..456b60c 100644
--- a/arch/arm/boot/dts/msm8610-ion.dtsi
+++ b/arch/arm/boot/dts/msm8610-ion.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8610-mdss.dtsi b/arch/arm/boot/dts/msm8610-mdss.dtsi
index 42fa149..1766422 100644
--- a/arch/arm/boot/dts/msm8610-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8610-mdss.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_mdp@fd900000 {
compatible = "qcom,mdss_mdp3";
reg = <0xfd900000 0x100000>;
diff --git a/arch/arm/boot/dts/msm8610-mtp.dts b/arch/arm/boot/dts/msm8610-mtp.dts
index eabeca6..83e7b48 100644
--- a/arch/arm/boot/dts/msm8610-mtp.dts
+++ b/arch/arm/boot/dts/msm8610-mtp.dts
@@ -20,7 +20,9 @@
compatible = "qcom,msm8610-mtp", "qcom,msm8610", "qcom,mtp";
qcom,msm-id = <147 8 0>, <165 8 0>, <161 8 0>, <162 8 0>,
<163 8 0>, <164 8 0>, <166 8 0>;
+};
+&soc {
serial@f991e000 {
status = "ok";
};
@@ -88,6 +90,51 @@
};
};
+&i2c_cdc {
+ msm8x10_wcd_codec@0d{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x0d>;
+ cdc-vdda-cp-supply = <&pm8110_s4>;
+ qcom,cdc-vdda-cp-voltage = <2150000 2150000>;
+ qcom,cdc-vdda-cp-current = <650000>;
+
+ cdc-vdda-h-supply = <&pm8110_l6>;
+ qcom,cdc-vdda-h-voltage = <1800000 1800000>;
+ qcom,cdc-vdda-h-current = <250000>;
+
+ cdc-vdd-px-supply = <&pm8110_l6>;
+ qcom,cdc-vdd-px-voltage = <1800000 1800000>;
+ qcom,cdc-vdd-px-current = <10000>;
+
+ cdc-vdd-1p2v-supply = <&pm8110_l4>;
+ qcom,cdc-vdd-1p2v-voltage = <1200000 1200000>;
+ qcom,cdc-vdd-1p2v-current = <5000>;
+
+ cdc-vdd-mic-bias-supply = <&pm8110_l20>;
+ qcom,cdc-vdd-mic-bias-voltage = <3075000 3075000>;
+ qcom,cdc-vdd-mic-bias-current = <25000>;
+
+ qcom,cdc-micbias-cfilt-sel = <0x0>;
+ qcom,cdc-micbias-cfilt-mv = <1800000>;
+ qcom,cdc-mclk-clk-rate = <12288000>;
+ };
+
+ msm8x10_wcd_codec@77{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x77>;
+ };
+
+ msm8x10_wcd_codec@66{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x66>;
+ };
+
+ msm8x10_wcd_codec@55{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x55>;
+ };
+};
+
&spmi_bus {
qcom,pm8110@0 {
qcom,leds@a100 {
diff --git a/arch/arm/boot/dts/msm8610-pm.dtsi b/arch/arm/boot/dts/msm8610-pm.dtsi
index baae269..34382c5 100644
--- a/arch/arm/boot/dts/msm8610-pm.dtsi
+++ b/arch/arm/boot/dts/msm8610-pm.dtsi
@@ -12,7 +12,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,spm@f9089000 {
compatible = "qcom,spm-v2";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8610-regulator.dtsi b/arch/arm/boot/dts/msm8610-regulator.dtsi
index f5d01e0..9e79df1 100644
--- a/arch/arm/boot/dts/msm8610-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8610-regulator.dtsi
@@ -26,7 +26,7 @@
/* CPR controlled regulator */
-/ {
+&soc {
apc_vreg_corner: regulator@f9018000 {
status = "okay";
compatible = "qcom,cpr-regulator";
diff --git a/arch/arm/boot/dts/msm8610-rumi.dts b/arch/arm/boot/dts/msm8610-rumi.dts
index cab7560..7f06485 100644
--- a/arch/arm/boot/dts/msm8610-rumi.dts
+++ b/arch/arm/boot/dts/msm8610-rumi.dts
@@ -18,7 +18,9 @@
model = "Qualcomm MSM 8610 Rumi";
compatible = "qcom,msm8610-rumi", "qcom,msm8610", "qcom,rumi";
qcom,msm-id = <147 15 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8610-sim.dts b/arch/arm/boot/dts/msm8610-sim.dts
index 1838b94..7c57fe6 100644
--- a/arch/arm/boot/dts/msm8610-sim.dts
+++ b/arch/arm/boot/dts/msm8610-sim.dts
@@ -18,8 +18,55 @@
model = "Qualcomm MSM 8610 Simulator";
compatible = "qcom,msm8610-sim", "qcom,msm8610", "qcom,sim";
qcom,msm-id = <147 16 0>;
+};
+&soc {
serial@f991f000 {
status = "ok";
};
};
+
+&i2c_cdc {
+ msm8x10_wcd_codec@0d{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x0d>;
+ cdc-vdda-cp-supply = <&pm8110_s4>;
+ qcom,cdc-vdda-cp-voltage = <2150000 2150000>;
+ qcom,cdc-vdda-cp-current = <650000>;
+
+ cdc-vdda-h-supply = <&pm8110_l6>;
+ qcom,cdc-vdda-h-voltage = <1800000 1800000>;
+ qcom,cdc-vdda-h-current = <250000>;
+
+ cdc-vdd-px-supply = <&pm8110_l6>;
+ qcom,cdc-vdd-px-voltage = <1800000 1800000>;
+ qcom,cdc-vdd-px-current = <10000>;
+
+ cdc-vdd-1p2v-supply = <&pm8110_l4>;
+ qcom,cdc-vdd-1p2v-voltage = <1200000 1200000>;
+ qcom,cdc-vdd-1p2v-current = <5000>;
+
+ cdc-vdd-mic-bias-supply = <&pm8110_l20>;
+ qcom,cdc-vdd-mic-bias-voltage = <3075000 3075000>;
+ qcom,cdc-vdd-mic-bias-current = <25000>;
+
+ qcom,cdc-micbias-cfilt-sel = <0x0>;
+ qcom,cdc-micbias-cfilt-mv = <1800000>;
+ qcom,cdc-mclk-clk-rate = <12288000>;
+ };
+
+ msm8x10_wcd_codec@77{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x77>;
+ };
+
+ msm8x10_wcd_codec@66{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x66>;
+ };
+
+ msm8x10_wcd_codec@55{
+ compatible = "qcom,msm8x10-wcd-i2c";
+ reg = <0x55>;
+ };
+};
diff --git a/arch/arm/boot/dts/msm8610-smp2p.dtsi b/arch/arm/boot/dts/msm8610-smp2p.dtsi
index 079e4ca..3921a68 100644
--- a/arch/arm/boot/dts/msm8610-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8610-smp2p.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,smp2p-modem {
compatible = "qcom,smp2p";
reg = <0xf9011008 0x4>;
diff --git a/arch/arm/boot/dts/msm8610.dtsi b/arch/arm/boot/dts/msm8610.dtsi
index 1c2da1c..4b861ed 100644
--- a/arch/arm/boot/dts/msm8610.dtsi
+++ b/arch/arm/boot/dts/msm8610.dtsi
@@ -11,6 +11,28 @@
*/
/include/ "skeleton.dtsi"
+
+/ {
+ model = "Qualcomm MSM 8610";
+ compatible = "qcom,msm8610";
+ interrupt-parent = <&intc>;
+
+ memory {
+ qsecom_mem: qsecom_region {
+ linux,contiguous-region;
+ reg = <0 0x100000>;
+ label = "qsecom_mem";
+ };
+ };
+
+ aliases {
+ sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
+ sdhc2 = &sdhc_2; /* SDC2 SD card slot */
+ };
+
+ soc: soc { };
+};
+
/include/ "msm-iommu-v0.dtsi"
/include/ "msm8610-ion.dtsi"
/include/ "msm8610-gpu.dtsi"
@@ -21,10 +43,10 @@
/include/ "msm8610-bus.dtsi"
/include/ "msm8610-mdss.dtsi"
-/ {
- model = "Qualcomm MSM 8610";
- compatible = "qcom,msm8610";
- interrupt-parent = <&intc>;
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
intc: interrupt-controller@f9000000 {
compatible = "qcom,msm-qgic2";
@@ -46,21 +68,6 @@
qcom,direct-connect-irqs = <8>;
};
- memory {
-
- qsecom_mem: qsecom_region {
- linux,contiguous-region;
- reg = <0 0x100000>;
- label = "qsecom_mem";
- };
-
- };
-
- aliases {
- sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
- sdhc2 = &sdhc_2; /* SDC2 SD card slot */
- };
-
qcom,mpm2-sleep-counter@fc4a3000 {
compatible = "qcom,mpm2-sleep-counter";
reg = <0xfc4a3000 0x1000>;
@@ -448,6 +455,18 @@
qcom,scl-gpio = <&msmgpio 3 0>;
};
+ i2c_cdc: i2c@f9927000 { /* BLSP1 QUP5 */
+ cell-index = <5>;
+ compatible = "qcom,i2c-qup";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg-names = "qup_phys_addr";
+ reg = <0xf9927000 0x1000>;
+ interrupt-names = "qup_err_intr";
+ interrupts = <0 99 0>;
+ qcom,i2c-bus-freq = <100000>;
+ };
+
i2c@f9928000 { /* BLSP1 QUP6 */
cell-index = <6>;
compatible = "qcom,i2c-qup";
@@ -488,6 +507,7 @@
/* GPIO inputs from wcnss */
qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_4_in 0 0>;
+ qcom,gpio-err-ready = <&smp2pgpio_ssr_smp2p_4_in 1 0>;
qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_4_in 2 0>;
/* GPIO output to wcnss */
@@ -751,6 +771,12 @@
qcom,msm-rng-iface-clk;
};
+ qcom,msm-rtb {
+ compatible = "qcom,msm-rtb";
+ qcom,memory-reservation-type = "EBI1";
+ qcom,memory-reservation-size = <0x100000>; /* 1M EBI1 buffer */
+ };
+
jtag_mm0: jtagmm@fc34c000 {
compatible = "qcom,jtag-mm";
reg = <0xfc34c000 0x1000>,
diff --git a/arch/arm/boot/dts/msm8974-bus.dtsi b/arch/arm/boot/dts/msm8974-bus.dtsi
index 3e0ef04..bfe955e 100644
--- a/arch/arm/boot/dts/msm8974-bus.dtsi
+++ b/arch/arm/boot/dts/msm8974-bus.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm-mmss-noc@fc478000 {
compatible = "msm-bus-fabric";
reg = <0xfc478000 0x00004000>;
diff --git a/arch/arm/boot/dts/msm8974-camera.dtsi b/arch/arm/boot/dts/msm8974-camera.dtsi
index 94a28f7..786e9e3 100644
--- a/arch/arm/boot/dts/msm8974-camera.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera.dtsi
@@ -13,7 +13,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,msm-cam@fd8C0000 {
compatible = "qcom,msm-cam";
reg = <0xfd8C0000 0x10000>;
diff --git a/arch/arm/boot/dts/msm8974-cdp.dtsi b/arch/arm/boot/dts/msm8974-cdp.dtsi
index 9cfc5fd..72b6223 100644
--- a/arch/arm/boot/dts/msm8974-cdp.dtsi
+++ b/arch/arm/boot/dts/msm8974-cdp.dtsi
@@ -15,7 +15,7 @@
/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor-cdp.dtsi"
-/ {
+&soc {
serial@f991e000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8974-coresight.dtsi b/arch/arm/boot/dts/msm8974-coresight.dtsi
index c064b59..cccedd8 100644
--- a/arch/arm/boot/dts/msm8974-coresight.dtsi
+++ b/arch/arm/boot/dts/msm8974-coresight.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
tmc_etr: tmc@fc322000 {
compatible = "arm,coresight-tmc";
reg = <0xfc322000 0x1000>,
diff --git a/arch/arm/boot/dts/msm8974-fluid.dtsi b/arch/arm/boot/dts/msm8974-fluid.dtsi
index 7f46a54..06b13b8 100644
--- a/arch/arm/boot/dts/msm8974-fluid.dtsi
+++ b/arch/arm/boot/dts/msm8974-fluid.dtsi
@@ -14,7 +14,7 @@
/include/ "msm8974-camera-sensor-fluid.dtsi"
/include/ "msm8974-leds.dtsi"
-/ {
+&soc {
serial@f991e000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8974-gpu.dtsi b/arch/arm/boot/dts/msm8974-gpu.dtsi
index 3779dbd..669097e 100644
--- a/arch/arm/boot/dts/msm8974-gpu.dtsi
+++ b/arch/arm/boot/dts/msm8974-gpu.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
msm_gpu: qcom,kgsl-3d0@fdb00000 {
label = "kgsl-3d0";
compatible = "qcom,kgsl-3d0", "qcom,kgsl-3d";
diff --git a/arch/arm/boot/dts/msm8974-ion.dtsi b/arch/arm/boot/dts/msm8974-ion.dtsi
index cfe39fc..ee8152d 100644
--- a/arch/arm/boot/dts/msm8974-ion.dtsi
+++ b/arch/arm/boot/dts/msm8974-ion.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8974-liquid.dtsi b/arch/arm/boot/dts/msm8974-liquid.dtsi
index d8a090b..3f4e035 100644
--- a/arch/arm/boot/dts/msm8974-liquid.dtsi
+++ b/arch/arm/boot/dts/msm8974-liquid.dtsi
@@ -13,7 +13,7 @@
/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor-liquid.dtsi"
-/ {
+&soc {
serial@f991e000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8974-mdss.dtsi b/arch/arm/boot/dts/msm8974-mdss.dtsi
index 86f8141..6b8d600 100644
--- a/arch/arm/boot/dts/msm8974-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8974-mdss.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
mdss_mdp: qcom,mdss_mdp@fd900000 {
compatible = "qcom,mdss_mdp";
reg = <0xfd900000 0x22100>,
diff --git a/arch/arm/boot/dts/msm8974-mtp.dtsi b/arch/arm/boot/dts/msm8974-mtp.dtsi
index ca5f663..37286af 100644
--- a/arch/arm/boot/dts/msm8974-mtp.dtsi
+++ b/arch/arm/boot/dts/msm8974-mtp.dtsi
@@ -14,7 +14,7 @@
/include/ "msm8974-camera-sensor-mtp.dtsi"
/include/ "msm8974-leds.dtsi"
-/ {
+&soc {
serial@f991e000 {
status = "ok";
};
diff --git a/arch/arm/boot/dts/msm8974-regulator.dtsi b/arch/arm/boot/dts/msm8974-regulator.dtsi
index d1b3334..2cd3d24 100644
--- a/arch/arm/boot/dts/msm8974-regulator.dtsi
+++ b/arch/arm/boot/dts/msm8974-regulator.dtsi
@@ -458,7 +458,7 @@
};
};
-/ {
+&soc {
krait_pdn: krait-pdn@f9011000 {
reg = <0xf9011000 0x1000>;
reg-names = "apcs_gcc";
diff --git a/arch/arm/boot/dts/msm8974-rumi.dtsi b/arch/arm/boot/dts/msm8974-rumi.dtsi
index c569e58..c01a4e5 100644
--- a/arch/arm/boot/dts/msm8974-rumi.dtsi
+++ b/arch/arm/boot/dts/msm8974-rumi.dtsi
@@ -13,7 +13,7 @@
/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor-cdp.dtsi"
-/ {
+&soc {
timer {
clock-frequency = <5000000>;
};
diff --git a/arch/arm/boot/dts/msm8974-sim.dtsi b/arch/arm/boot/dts/msm8974-sim.dtsi
index 786c50c..24b8d18 100644
--- a/arch/arm/boot/dts/msm8974-sim.dtsi
+++ b/arch/arm/boot/dts/msm8974-sim.dtsi
@@ -14,7 +14,7 @@
/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor-cdp.dtsi"
-/ {
+&soc {
qcom,mdss_dsi@fd922800 {
qcom,mdss_dsi_sim_video {
status = "ok";
diff --git a/arch/arm/boot/dts/msm8974-smp2p.dtsi b/arch/arm/boot/dts/msm8974-smp2p.dtsi
index 079e4ca..3921a68 100644
--- a/arch/arm/boot/dts/msm8974-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm8974-smp2p.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,smp2p-modem {
compatible = "qcom,smp2p";
reg = <0xf9011008 0x4>;
diff --git a/arch/arm/boot/dts/msm8974-v1-iommu-domains.dtsi b/arch/arm/boot/dts/msm8974-v1-iommu-domains.dtsi
index 6ea5b9e..25fca2a 100644
--- a/arch/arm/boot/dts/msm8974-v1-iommu-domains.dtsi
+++ b/arch/arm/boot/dts/msm8974-v1-iommu-domains.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,iommu-domains {
compatible = "qcom,iommu-domains";
diff --git a/arch/arm/boot/dts/msm8974-v1-pm.dtsi b/arch/arm/boot/dts/msm8974-v1-pm.dtsi
index f9c0920..1a88749 100644
--- a/arch/arm/boot/dts/msm8974-v1-pm.dtsi
+++ b/arch/arm/boot/dts/msm8974-v1-pm.dtsi
@@ -12,7 +12,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,spm@f9089000 {
compatible = "qcom,spm-v2";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8974-v1.dtsi b/arch/arm/boot/dts/msm8974-v1.dtsi
index 62837a1..caec2dc 100644
--- a/arch/arm/boot/dts/msm8974-v1.dtsi
+++ b/arch/arm/boot/dts/msm8974-v1.dtsi
@@ -21,7 +21,7 @@
/include/ "msm8974-v1-iommu-domains.dtsi"
/include/ "msm8974-v1-pm.dtsi"
-/ {
+&soc {
android_usb@fc42b0c8 {
compatible = "qcom,android-usb";
reg = <0xfc42b0c8 0xc8>;
diff --git a/arch/arm/boot/dts/msm8974-v2-iommu-domains.dtsi b/arch/arm/boot/dts/msm8974-v2-iommu-domains.dtsi
index a83815e..01c94d0 100644
--- a/arch/arm/boot/dts/msm8974-v2-iommu-domains.dtsi
+++ b/arch/arm/boot/dts/msm8974-v2-iommu-domains.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,iommu-domains {
compatible = "qcom,iommu-domains";
diff --git a/arch/arm/boot/dts/msm8974-v2-pm.dtsi b/arch/arm/boot/dts/msm8974-v2-pm.dtsi
index 5a1c047..f8492c0 100644
--- a/arch/arm/boot/dts/msm8974-v2-pm.dtsi
+++ b/arch/arm/boot/dts/msm8974-v2-pm.dtsi
@@ -12,7 +12,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,spm@f9089000 {
compatible = "qcom,spm-v2";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm8974-v2.dtsi b/arch/arm/boot/dts/msm8974-v2.dtsi
index def7b8c..75dce17 100644
--- a/arch/arm/boot/dts/msm8974-v2.dtsi
+++ b/arch/arm/boot/dts/msm8974-v2.dtsi
@@ -21,7 +21,7 @@
/include/ "msm8974-v2-iommu-domains.dtsi"
/include/ "msm8974-v2-pm.dtsi"
-/ {
+&soc {
android_usb@fe8050c8 {
compatible = "qcom,android-usb";
reg = <0xfe8050c8 0xc8>;
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 5f010a3..71bbdc5 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -11,14 +11,6 @@
*/
/include/ "skeleton.dtsi"
-/include/ "msm8974-camera.dtsi"
-/include/ "msm8974-coresight.dtsi"
-/include/ "msm-gdsc.dtsi"
-/include/ "msm8974-ion.dtsi"
-/include/ "msm8974-gpu.dtsi"
-/include/ "msm8974-mdss.dtsi"
-/include/ "msm8974-smp2p.dtsi"
-/include/ "msm8974-bus.dtsi"
/ {
model = "Qualcomm MSM 8974";
@@ -35,7 +27,6 @@
};
memory {
-
secure_mem: secure_region {
linux,contiguous-region;
reg = <0 0xFC00000>;
@@ -56,6 +47,23 @@
};
+ soc: soc { };
+};
+
+/include/ "msm8974-camera.dtsi"
+/include/ "msm8974-coresight.dtsi"
+/include/ "msm-gdsc.dtsi"
+/include/ "msm8974-ion.dtsi"
+/include/ "msm8974-gpu.dtsi"
+/include/ "msm8974-mdss.dtsi"
+/include/ "msm8974-smp2p.dtsi"
+/include/ "msm8974-bus.dtsi"
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
intc: interrupt-controller@F9000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
@@ -1145,6 +1153,7 @@
/* GPIO inputs from wcnss */
qcom,gpio-err-fatal = <&smp2pgpio_ssr_smp2p_4_in 0 0>;
+ qcom,gpio-err-ready = <&smp2pgpio_ssr_smp2p_4_in 1 0>;
qcom,gpio-proxy-unvote = <&smp2pgpio_ssr_smp2p_4_in 2 0>;
/* GPIO output to wcnss */
@@ -1186,7 +1195,7 @@
interrupts = <0 76 0 0 77 0>;
interrupt-names = "ocmem_irq", "dm_irq";
qcom,ocmem-num-regions = <0x3>;
- qcom,ocmem-num-macros = <0x8>;
+ qcom,ocmem-num-macros = <0x18>;
qcom,resource-type = <0x706d636f>;
#address-cells = <1>;
#size-cells = <1>;
@@ -1433,6 +1442,11 @@
qcom,min-level = <1>; /* No Request */
};
+ qcom,vdd-apps-rstr{
+ qcom,vdd-rstr-reg = "vdd_apps";
+ qcom,levels = <1881600 1958400 2265600>;
+ qcom,freq-req;
+ };
};
qcom,bam_dmux@fc834000 {
diff --git a/arch/arm/boot/dts/msm9625-cdp.dtsi b/arch/arm/boot/dts/msm9625-cdp.dtsi
index 1f9cbb0..6ddb50b 100644
--- a/arch/arm/boot/dts/msm9625-cdp.dtsi
+++ b/arch/arm/boot/dts/msm9625-cdp.dtsi
@@ -13,7 +13,7 @@
/include/ "msm9625-display.dtsi"
/include/ "qpic-panel-ili-qvga.dtsi"
-/ {
+&soc {
i2c@f9925000 {
charger@57 {
compatible = "summit,smb137c";
diff --git a/arch/arm/boot/dts/msm9625-coresight.dtsi b/arch/arm/boot/dts/msm9625-coresight.dtsi
index 69a1d7b..8520b19 100644
--- a/arch/arm/boot/dts/msm9625-coresight.dtsi
+++ b/arch/arm/boot/dts/msm9625-coresight.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
tmc_etr: tmc@fc322000 {
compatible = "arm,coresight-tmc";
reg = <0xfc322000 0x1000>,
diff --git a/arch/arm/boot/dts/msm9625-display.dtsi b/arch/arm/boot/dts/msm9625-display.dtsi
index a160bae..287a63a 100644
--- a/arch/arm/boot/dts/msm9625-display.dtsi
+++ b/arch/arm/boot/dts/msm9625-display.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,msm_qpic@f9ac0000 {
compatible = "qcom,mdss_qpic";
reg = <0xf9ac0000 0x24000>;
diff --git a/arch/arm/boot/dts/msm9625-ion.dtsi b/arch/arm/boot/dts/msm9625-ion.dtsi
index 8183264..2a3e4b5 100644
--- a/arch/arm/boot/dts/msm9625-ion.dtsi
+++ b/arch/arm/boot/dts/msm9625-ion.dtsi
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,ion {
compatible = "qcom,msm-ion";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm9625-mtp.dtsi b/arch/arm/boot/dts/msm9625-mtp.dtsi
index cc0bf5e..79c873f 100644
--- a/arch/arm/boot/dts/msm9625-mtp.dtsi
+++ b/arch/arm/boot/dts/msm9625-mtp.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
i2c@f9925000 {
charger@57 {
compatible = "summit,smb137c";
diff --git a/arch/arm/boot/dts/msm9625-pm.dtsi b/arch/arm/boot/dts/msm9625-pm.dtsi
index 3e421a8..6c45f80 100644
--- a/arch/arm/boot/dts/msm9625-pm.dtsi
+++ b/arch/arm/boot/dts/msm9625-pm.dtsi
@@ -12,7 +12,7 @@
/include/ "skeleton.dtsi"
-/ {
+&soc {
qcom,spm@f9009000 {
compatible = "qcom,spm-v2";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/msm9625-regulator.dtsi b/arch/arm/boot/dts/msm9625-regulator.dtsi
index 24f616d..ee48b7f 100644
--- a/arch/arm/boot/dts/msm9625-regulator.dtsi
+++ b/arch/arm/boot/dts/msm9625-regulator.dtsi
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013, Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -260,7 +260,7 @@
};
};
-/ {
+&soc {
ext_2p95v: regulator-isl80101 {
compatible = "regulator-fixed";
regulator-name = "ext_2p95v";
diff --git a/arch/arm/boot/dts/msm9625-smp2p.dtsi b/arch/arm/boot/dts/msm9625-smp2p.dtsi
index 46af1b2..f8ad351 100644
--- a/arch/arm/boot/dts/msm9625-smp2p.dtsi
+++ b/arch/arm/boot/dts/msm9625-smp2p.dtsi
@@ -9,7 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,smp2p-modem {
compatible = "qcom,smp2p";
reg = <0xf9011008 0x4>;
diff --git a/arch/arm/boot/dts/msm9625-v1.dtsi b/arch/arm/boot/dts/msm9625-v1.dtsi
index de88ff1..b238ba5 100644
--- a/arch/arm/boot/dts/msm9625-v1.dtsi
+++ b/arch/arm/boot/dts/msm9625-v1.dtsi
@@ -18,7 +18,7 @@
/include/ "msm9625.dtsi"
-/ {
+&soc {
qcom,msm-imem@fc42a800 {
compatible = "qcom,msm-imem";
reg = <0xfc42a800 0x1000>; /* Address and size of IMEM */
diff --git a/arch/arm/boot/dts/msm9625-v2-mtp.dts b/arch/arm/boot/dts/msm9625-v2-mtp.dts
index 5324e2c..27d0066 100644
--- a/arch/arm/boot/dts/msm9625-v2-mtp.dts
+++ b/arch/arm/boot/dts/msm9625-v2-mtp.dts
@@ -21,7 +21,9 @@
qcom,msm-id = <134 7 0x20000>, <152 7 0x20000>, <149 7 0x20000>,
<150 7 0x20000>, <151 7 0x20000>, <148 7 0x20000>,
<173 7 0x20000>, <174 7 0x20000>, <175 7 0x20000>;
+};
+&soc {
i2c@f9925000 {
charger@57 {
compatible = "summit,smb137c";
diff --git a/arch/arm/boot/dts/msm9625-v2.1.dtsi b/arch/arm/boot/dts/msm9625-v2.1.dtsi
index c3c2c49..65ff96a 100644
--- a/arch/arm/boot/dts/msm9625-v2.1.dtsi
+++ b/arch/arm/boot/dts/msm9625-v2.1.dtsi
@@ -18,7 +18,7 @@
/include/ "msm9625.dtsi"
-/ {
+&soc {
qcom,msm-imem@fe807800 {
compatible = "qcom,msm-imem";
reg = <0xfe807800 0x1000>; /* Address and size of IMEM */
diff --git a/arch/arm/boot/dts/msm9625-v2.dtsi b/arch/arm/boot/dts/msm9625-v2.dtsi
index 81d8e00..b078309 100644
--- a/arch/arm/boot/dts/msm9625-v2.dtsi
+++ b/arch/arm/boot/dts/msm9625-v2.dtsi
@@ -18,7 +18,7 @@
/include/ "msm9625.dtsi"
-/ {
+&soc {
qcom,msm-imem@fe807800 {
compatible = "qcom,msm-imem";
reg = <0xfe807800 0x1000>; /* Address and size of IMEM */
diff --git a/arch/arm/boot/dts/msm9625.dtsi b/arch/arm/boot/dts/msm9625.dtsi
index 3e2eab3..f614d61 100644
--- a/arch/arm/boot/dts/msm9625.dtsi
+++ b/arch/arm/boot/dts/msm9625.dtsi
@@ -11,10 +11,6 @@
*/
/include/ "skeleton.dtsi"
-/include/ "msm9625-ion.dtsi"
-/include/ "msm9625-pm.dtsi"
-/include/ "msm9625-coresight.dtsi"
-/include/ "msm9625-smp2p.dtsi"
/ {
model = "Qualcomm MSM 9625";
@@ -25,6 +21,19 @@
spi0 = &spi_0;
};
+ soc: soc { };
+};
+
+/include/ "msm9625-ion.dtsi"
+/include/ "msm9625-pm.dtsi"
+/include/ "msm9625-coresight.dtsi"
+/include/ "msm9625-smp2p.dtsi"
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
intc: interrupt-controller@F9000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
diff --git a/arch/arm/boot/dts/msmkrypton.dtsi b/arch/arm/boot/dts/msmkrypton.dtsi
index 3f51659..4b032d8 100644
--- a/arch/arm/boot/dts/msmkrypton.dtsi
+++ b/arch/arm/boot/dts/msmkrypton.dtsi
@@ -17,6 +17,14 @@
compatible = "qcom,msmkrypton";
interrupt-parent = <&intc>;
+ soc: soc { };
+};
+
+&soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
intc: interrupt-controller@f9000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
diff --git a/arch/arm/boot/dts/qpic-panel-ili-qvga.dtsi b/arch/arm/boot/dts/qpic-panel-ili-qvga.dtsi
index a0c906e..089f112 100644
--- a/arch/arm/boot/dts/qpic-panel-ili-qvga.dtsi
+++ b/arch/arm/boot/dts/qpic-panel-ili-qvga.dtsi
@@ -10,7 +10,7 @@
* GNU General Public License for more details.
*/
-/ {
+&soc {
qcom,mdss_lcdc_ili9341_qvga {
compatible = "qcom,mdss-qpic-panel";
label = "ili qvga lcdc panel";
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 3729448..0eecffd 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -418,6 +418,7 @@
select MAY_HAVE_SPARSE_IRQ
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
+ select ARM_TICKET_LOCKS
select GPIO_MSM_V3
select MSM_GPIOMUX
select MSM_NATIVE_RESTART
@@ -459,6 +460,7 @@
select MAY_HAVE_SPARSE_IRQ
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
+ select ARM_TICKET_LOCKS
select GPIO_MSM_V3
select MSM_GPIOMUX
select MSM_NATIVE_RESTART
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 43b243d..8efc000 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -4,7 +4,7 @@
ifndef CONFIG_ARM_ARCH_TIMER
obj-y += timer.o
endif
-obj-y += clock.o clock-voter.o clock-dummy.o
+obj-y += clock.o clock-voter.o clock-dummy.o clock-generic.o
obj-y += modem_notifier.o
obj-$(CONFIG_USE_OF) += board-dt.o
obj-$(CONFIG_DEBUG_FS) += nohlt.o clock-debug.o
diff --git a/arch/arm/mach-msm/Makefile.boot b/arch/arm/mach-msm/Makefile.boot
index d57709d..2827e65 100644
--- a/arch/arm/mach-msm/Makefile.boot
+++ b/arch/arm/mach-msm/Makefile.boot
@@ -58,6 +58,7 @@
dtb-$(CONFIG_ARCH_MSM8974) += msm8974-v2-liquid.dtb
dtb-$(CONFIG_ARCH_MSM8974) += msm8974-v2-mtp.dtb
dtb-$(CONFIG_ARCH_MSM8974) += apq8074-v2-liquid.dtb
+ dtb-$(CONFIG_ARCH_MSM8974) += apq8074-v2-dragonboard.dtb
# APQ8084
zreladdr-$(CONFIG_ARCH_APQ8084) := 0x00008000
diff --git a/arch/arm/mach-msm/board-8084.c b/arch/arm/mach-msm/board-8084.c
index 0a13c56..c20ba92 100644
--- a/arch/arm/mach-msm/board-8084.c
+++ b/arch/arm/mach-msm/board-8084.c
@@ -120,7 +120,7 @@
pr_err("%s: socinfo_init() failed\n", __func__);
apq8084_init_gpiomux();
- of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+ board_dt_populate(adata);
apq8084_add_drivers();
}
diff --git a/arch/arm/mach-msm/board-8092.c b/arch/arm/mach-msm/board-8092.c
index b4c63f9..3da3e2d 100644
--- a/arch/arm/mach-msm/board-8092.c
+++ b/arch/arm/mach-msm/board-8092.c
@@ -102,7 +102,7 @@
mpq8092_init_gpiomux();
msm_clock_init(&mpq8092_clock_init_data);
- of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+ board_dt_populate(adata);
}
static const char *mpq8092_dt_match[] __initconst = {
diff --git a/arch/arm/mach-msm/board-8226.c b/arch/arm/mach-msm/board-8226.c
index a892e32..521898e 100644
--- a/arch/arm/mach-msm/board-8226.c
+++ b/arch/arm/mach-msm/board-8226.c
@@ -129,7 +129,7 @@
pr_err("%s: socinfo_init() failed\n", __func__);
msm8226_init_gpiomux();
- of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+ board_dt_populate(adata);
msm8226_add_drivers();
}
diff --git a/arch/arm/mach-msm/board-8610.c b/arch/arm/mach-msm/board-8610.c
index 2cd7134..962ed65 100644
--- a/arch/arm/mach-msm/board-8610.c
+++ b/arch/arm/mach-msm/board-8610.c
@@ -125,7 +125,7 @@
pr_err("%s: socinfo_init() failed\n", __func__);
msm8610_init_gpiomux();
- of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+ board_dt_populate(adata);
msm8610_add_drivers();
}
diff --git a/arch/arm/mach-msm/board-8974-gpiomux.c b/arch/arm/mach-msm/board-8974-gpiomux.c
index f5b76da..76dbaef 100644
--- a/arch/arm/mach-msm/board-8974-gpiomux.c
+++ b/arch/arm/mach-msm/board-8974-gpiomux.c
@@ -1171,6 +1171,23 @@
static void msm_gpiomux_sdc4_install(void) {}
#endif /* CONFIG_MMC_MSM_SDC4_SUPPORT */
+static struct msm_gpiomux_config apq8074_dragonboard_ts_config[] __initdata = {
+ {
+ /* BLSP1 QUP I2C_DATA */
+ .gpio = 2,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gpio_i2c_config,
+ },
+ },
+ {
+ /* BLSP1 QUP I2C_CLK */
+ .gpio = 3,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gpio_i2c_config,
+ },
+ },
+};
+
void __init msm_8974_init_gpiomux(void)
{
int rc;
@@ -1236,4 +1253,8 @@
if (socinfo_get_platform_subtype() == PLATFORM_SUBTYPE_MDM)
msm_gpiomux_install(mdm_configs,
ARRAY_SIZE(mdm_configs));
+
+ if (of_board_is_dragonboard() && machine_is_apq8074())
+ msm_gpiomux_install(apq8074_dragonboard_ts_config,
+ ARRAY_SIZE(apq8074_dragonboard_ts_config));
}
diff --git a/arch/arm/mach-msm/board-8974.c b/arch/arm/mach-msm/board-8974.c
index 3eed219..35e46fc 100644
--- a/arch/arm/mach-msm/board-8974.c
+++ b/arch/arm/mach-msm/board-8974.c
@@ -163,7 +163,7 @@
msm_8974_init_gpiomux();
regulator_has_full_constraints();
- of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
+ board_dt_populate(adata);
msm8974_add_drivers();
}
diff --git a/arch/arm/mach-msm/board-9625.c b/arch/arm/mach-msm/board-9625.c
index 3bb00bb..6bb5655 100644
--- a/arch/arm/mach-msm/board-9625.c
+++ b/arch/arm/mach-msm/board-9625.c
@@ -247,8 +247,7 @@
pr_err("%s: socinfo_init() failed\n", __func__);
msm9625_init_gpiomux();
- of_platform_populate(NULL, of_default_bus_match_table,
- msm9625_auxdata_lookup, NULL);
+ board_dt_populate(msm9625_auxdata_lookup);
msm9625_add_drivers();
}
diff --git a/arch/arm/mach-msm/board-dt.c b/arch/arm/mach-msm/board-dt.c
index 5d2fdf9..1f77b4c 100644
--- a/arch/arm/mach-msm/board-dt.c
+++ b/arch/arm/mach-msm/board-dt.c
@@ -115,3 +115,14 @@
return 1;
}
+
+void __init board_dt_populate(struct of_dev_auxdata *adata)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ /* Explicitly parent the /soc devices to the root node to preserve
+ * the kernel ABI (sysfs structure, etc) until userspace is updated
+ */
+ of_platform_populate(of_find_node_by_path("/soc"),
+ of_default_bus_match_table, adata, NULL);
+}
diff --git a/arch/arm/mach-msm/board-dt.h b/arch/arm/mach-msm/board-dt.h
index 03ffa0b..d79e414 100644
--- a/arch/arm/mach-msm/board-dt.h
+++ b/arch/arm/mach-msm/board-dt.h
@@ -10,9 +10,12 @@
* GNU General Public License for more details.
*/
+#include <linux/of_platform.h>
+
extern struct sys_timer msm_dt_timer;
void __init msm_dt_init_irq(void);
void __init msm_dt_init_irq_nompm(void);
void __init msm_dt_init_irq_l2x0(void);
int __init msm_scan_dt_map_imem(unsigned long node, const char *uname,
int depth, void *data);
+void __init board_dt_populate(struct of_dev_auxdata *adata);
diff --git a/arch/arm/mach-msm/board-krypton.c b/arch/arm/mach-msm/board-krypton.c
index aada3b0..7b7b7cd 100644
--- a/arch/arm/mach-msm/board-krypton.c
+++ b/arch/arm/mach-msm/board-krypton.c
@@ -64,7 +64,7 @@
pr_err("%s: socinfo_init() failed\n", __func__);
msmkrypton_init_gpiomux();
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ board_dt_populate(adata);
msmkrypton_add_drivers();
}
diff --git a/arch/arm/mach-msm/clock-8226.c b/arch/arm/mach-msm/clock-8226.c
index 486842f..27bfcac 100644
--- a/arch/arm/mach-msm/clock-8226.c
+++ b/arch/arm/mach-msm/clock-8226.c
@@ -176,7 +176,7 @@
[VDD_DIG_HIGH] = VDD_UV(RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner);
+static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner, NULL);
#define RPM_MISC_CLK_TYPE 0x306b6c63
#define RPM_BUS_CLK_TYPE 0x316b6c63
@@ -2760,7 +2760,8 @@
[VDD_SR2_PLL_TUR] = VDD_UV(1800000, RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_sr2_pll, VDD_SR2_PLL_NUM, 2, vdd_sr2_levels);
+static DEFINE_VDD_REGULATORS(vdd_sr2_pll, VDD_SR2_PLL_NUM, 2,
+ vdd_sr2_levels, NULL);
static struct pll_freq_tbl apcs_pll_freq[] = {
F_APCS_PLL( 384000000, 20, 0x0, 0x1, 0x0, 0x0, 0x0),
diff --git a/arch/arm/mach-msm/clock-8610.c b/arch/arm/mach-msm/clock-8610.c
index 64636c1..5e60bd5 100644
--- a/arch/arm/mach-msm/clock-8610.c
+++ b/arch/arm/mach-msm/clock-8610.c
@@ -441,7 +441,7 @@
[VDD_DIG_HIGH] = VDD_UV(RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner);
+static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner, NULL);
#define RPM_MISC_CLK_TYPE 0x306b6c63
#define RPM_BUS_CLK_TYPE 0x316b6c63
@@ -540,7 +540,8 @@
[VDD_SR2_PLL_TUR] = VDD_UV(1800000, RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_sr2_pll, VDD_SR2_PLL_NUM, 2, vdd_sr2_levels);
+static DEFINE_VDD_REGULATORS(vdd_sr2_pll, VDD_SR2_PLL_NUM, 2,
+ vdd_sr2_levels, NULL);
static struct pll_freq_tbl apcs_pll_freq[] = {
F_APCS_PLL( 384000000, 20, 0x0, 0x1, 0x0, 0x0, 0x0),
@@ -2017,7 +2018,7 @@
},
};
-static struct mux_clk csi0phy_mux_clk = {
+static struct cam_mux_clk csi0phy_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(11),
.select_reg = MMSS_CAMSS_MISC,
@@ -2029,13 +2030,13 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "csi0phy_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(csi0phy_mux_clk.c),
+ .dbg_name = "csi0phy_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(csi0phy_cam_mux_clk.c),
},
};
-static struct mux_clk csi1phy_mux_clk = {
+static struct cam_mux_clk csi1phy_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(10),
.select_reg = MMSS_CAMSS_MISC,
@@ -2047,13 +2048,13 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "csi1phy_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(csi1phy_mux_clk.c),
+ .dbg_name = "csi1phy_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(csi1phy_cam_mux_clk.c),
},
};
-static struct mux_clk csi0pix_mux_clk = {
+static struct cam_mux_clk csi0pix_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(7),
.select_reg = MMSS_CAMSS_MISC,
@@ -2065,14 +2066,14 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "csi0pix_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(csi0pix_mux_clk.c),
+ .dbg_name = "csi0pix_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(csi0pix_cam_mux_clk.c),
},
};
-static struct mux_clk rdi2_mux_clk = {
+static struct cam_mux_clk rdi2_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(6),
.select_reg = MMSS_CAMSS_MISC,
@@ -2084,13 +2085,13 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "rdi2_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(rdi2_mux_clk.c),
+ .dbg_name = "rdi2_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(rdi2_cam_mux_clk.c),
},
};
-static struct mux_clk rdi1_mux_clk = {
+static struct cam_mux_clk rdi1_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(5),
.select_reg = MMSS_CAMSS_MISC,
@@ -2102,13 +2103,13 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "rdi1_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(rdi1_mux_clk.c),
+ .dbg_name = "rdi1_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(rdi1_cam_mux_clk.c),
},
};
-static struct mux_clk rdi0_mux_clk = {
+static struct cam_mux_clk rdi0_cam_mux_clk = {
.enable_reg = MMSS_CAMSS_MISC,
.enable_mask = BIT(4),
.select_reg = MMSS_CAMSS_MISC,
@@ -2120,9 +2121,9 @@
},
.base = &virt_bases[MMSS_BASE],
.c = {
- .dbg_name = "rdi0_mux_clk",
- .ops = &clk_ops_mux,
- CLK_INIT(rdi0_mux_clk.c),
+ .dbg_name = "rdi0_cam_mux_clk",
+ .ops = &clk_ops_cam_mux,
+ CLK_INIT(rdi0_cam_mux_clk.c),
},
};
@@ -2495,7 +2496,7 @@
{ &gcc_ce1_axi_clk.c, GCC_BASE, 0x0139},
{ &gcc_ce1_ahb_clk.c, GCC_BASE, 0x013a},
{ &gcc_xo_clk_src.c, GCC_BASE, 0x0149},
- { &bimc_clk.c, GCC_BASE, 0x0154},
+ { &bimc_clk.c, GCC_BASE, 0x015d},
{ &gcc_bimc_smmu_clk.c, GCC_BASE, 0x015e},
{ &gcc_lpass_q6_axi_clk.c, GCC_BASE, 0x0160},
@@ -2539,11 +2540,11 @@
{ &q6ss_ahb_lfabif_clk.c, LPASS_BASE, 0x001e},
{ &q6ss_xo_clk.c, LPASS_BASE, 0x002b},
- {&apc0_m_clk, APCS_BASE, 0x10},
- {&apc1_m_clk, APCS_BASE, 0x11},
- {&apc2_m_clk, APCS_BASE, 0x12},
- {&apc3_m_clk, APCS_BASE, 0x13},
- {&l2_m_clk, APCS_BASE, 0x15},
+ {&apc0_m_clk, APCS_BASE, 0x00010},
+ {&apc1_m_clk, APCS_BASE, 0x00114},
+ {&apc2_m_clk, APCS_BASE, 0x00220},
+ {&apc3_m_clk, APCS_BASE, 0x00324},
+ {&l2_m_clk, APCS_BASE, 0x01000},
{&dummy_clk, N_BASES, 0x0000},
};
@@ -2610,6 +2611,8 @@
clk->multiplier = 4;
clk_sel = 0x16A;
regval = measure_mux[i].debug_mux;
+ /* Use a divider value of 4. */
+ regval |= BVAL(31, 30, 0x3);
writel_relaxed(regval, APCS_REG_BASE(GLB_CLK_DIAG));
break;
@@ -2874,6 +2877,7 @@
CLK_LOOKUP("core_clk_src", usb_hs_system_clk_src.c, ""),
CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9923000.i2c"),
CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9925000.i2c"),
+ CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9927000.i2c"),
CLK_LOOKUP("core_clk", gcc_blsp1_qup1_i2c_apps_clk.c, "f9923000.i2c"),
CLK_LOOKUP("core_clk", gcc_blsp1_qup1_spi_apps_clk.c, ""),
CLK_LOOKUP("core_clk", gcc_blsp1_qup2_i2c_apps_clk.c, ""),
@@ -2882,7 +2886,7 @@
CLK_LOOKUP("core_clk", gcc_blsp1_qup3_spi_apps_clk.c, ""),
CLK_LOOKUP("core_clk", gcc_blsp1_qup4_i2c_apps_clk.c, ""),
CLK_LOOKUP("core_clk", gcc_blsp1_qup4_spi_apps_clk.c, ""),
- CLK_LOOKUP("core_clk", gcc_blsp1_qup5_i2c_apps_clk.c, ""),
+ CLK_LOOKUP("core_clk", gcc_blsp1_qup5_i2c_apps_clk.c, "f9927000.i2c"),
CLK_LOOKUP("core_clk", gcc_blsp1_qup5_spi_apps_clk.c, ""),
CLK_LOOKUP("iface_clk", gcc_blsp1_ahb_clk.c, "f9928000.i2c"),
CLK_LOOKUP("core_clk", gcc_blsp1_qup6_i2c_apps_clk.c, "f9928000.i2c"),
@@ -2967,12 +2971,12 @@
CLK_LOOKUP("core_clk", vfe_ahb_clk.c, ""),
CLK_LOOKUP("core_clk", vfe_axi_clk.c, ""),
- CLK_LOOKUP("core_clk", csi0pix_mux_clk.c, ""),
- CLK_LOOKUP("core_clk", csi0phy_mux_clk.c, ""),
- CLK_LOOKUP("core_clk", csi1phy_mux_clk.c, ""),
- CLK_LOOKUP("core_clk", rdi2_mux_clk.c, ""),
- CLK_LOOKUP("core_clk", rdi1_mux_clk.c, ""),
- CLK_LOOKUP("core_clk", rdi0_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", csi0pix_cam_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", csi0phy_cam_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", csi1phy_cam_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", rdi2_cam_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", rdi1_cam_mux_clk.c, ""),
+ CLK_LOOKUP("core_clk", rdi0_cam_mux_clk.c, ""),
CLK_LOOKUP("core_clk", oxili_gfx3d_clk.c, "fdc00000.qcom,kgsl-3d0"),
CLK_LOOKUP("iface_clk", oxili_ahb_clk.c, "fdc00000.qcom,kgsl-3d0"),
@@ -3105,23 +3109,6 @@
.main_output_mask = BIT(0),
};
-#define PLL_AUX_OUTPUT_BIT 1
-#define PLL_AUX2_OUTPUT_BIT 2
-
-#define PWR_ON_MASK BIT(31)
-#define EN_REST_WAIT_MASK (0xF << 20)
-#define EN_FEW_WAIT_MASK (0xF << 16)
-#define CLK_DIS_WAIT_MASK (0xF << 12)
-#define SW_OVERRIDE_MASK BIT(2)
-#define HW_CONTROL_MASK BIT(1)
-#define SW_COLLAPSE_MASK BIT(0)
-
-/* Wait 2^n CXO cycles between all states. Here, n=2 (4 cycles). */
-#define EN_REST_WAIT_VAL (0x2 << 20)
-#define EN_FEW_WAIT_VAL (0x2 << 16)
-#define CLK_DIS_WAIT_VAL (0x2 << 12)
-#define GDSC_TIMEOUT_US 50000
-
static void __init reg_init(void)
{
u32 regval;
diff --git a/arch/arm/mach-msm/clock-8974.c b/arch/arm/mach-msm/clock-8974.c
index 9a614d8..4fb348d 100644
--- a/arch/arm/mach-msm/clock-8974.c
+++ b/arch/arm/mach-msm/clock-8974.c
@@ -645,7 +645,7 @@
[VDD_DIG_HIGH] = VDD_UV(RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner);
+static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner, NULL);
#define RPM_MISC_CLK_TYPE 0x306b6c63
#define RPM_BUS_CLK_TYPE 0x316b6c63
@@ -4895,6 +4895,7 @@
CLK_LOOKUP("alt_iface_clk", mdss_hdmi_ahb_clk.c,
"fd922100.qcom,hdmi_tx"),
CLK_LOOKUP("core_clk", mdss_hdmi_clk.c, "fd922100.qcom,hdmi_tx"),
+ CLK_LOOKUP("mdp_core_clk", mdss_mdp_clk.c, "fd922100.qcom,hdmi_tx"),
CLK_LOOKUP("extp_clk", mdss_extpclk_clk.c, "fd922100.qcom,hdmi_tx"),
CLK_LOOKUP("core_clk", mdss_mdp_clk.c, "mdp.0"),
CLK_LOOKUP("lut_clk", mdss_mdp_lut_clk.c, "mdp.0"),
@@ -5355,20 +5356,6 @@
.main_output_mask = BIT(0),
};
-#define PWR_ON_MASK BIT(31)
-#define EN_REST_WAIT_MASK (0xF << 20)
-#define EN_FEW_WAIT_MASK (0xF << 16)
-#define CLK_DIS_WAIT_MASK (0xF << 12)
-#define SW_OVERRIDE_MASK BIT(2)
-#define HW_CONTROL_MASK BIT(1)
-#define SW_COLLAPSE_MASK BIT(0)
-
-/* Wait 2^n CXO cycles between all states. Here, n=2 (4 cycles). */
-#define EN_REST_WAIT_VAL (0x2 << 20)
-#define EN_FEW_WAIT_VAL (0x2 << 16)
-#define CLK_DIS_WAIT_VAL (0x2 << 12)
-#define GDSC_TIMEOUT_US 50000
-
static void __init reg_init(void)
{
u32 regval;
diff --git a/arch/arm/mach-msm/clock-9625.c b/arch/arm/mach-msm/clock-9625.c
index 65176b4..313e04c 100644
--- a/arch/arm/mach-msm/clock-9625.c
+++ b/arch/arm/mach-msm/clock-9625.c
@@ -287,7 +287,7 @@
[VDD_DIG_HIGH] = VDD_UV(RPM_REGULATOR_CORNER_SUPER_TURBO),
};
-static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner);
+static DEFINE_VDD_REGULATORS(vdd_dig, VDD_DIG_NUM, 1, vdd_corner, NULL);
/* TODO: Needs to confirm the below values */
#define RPM_MISC_CLK_TYPE 0x306b6c63
diff --git a/arch/arm/mach-msm/clock-generic.c b/arch/arm/mach-msm/clock-generic.c
new file mode 100644
index 0000000..4d74533
--- /dev/null
+++ b/arch/arm/mach-msm/clock-generic.c
@@ -0,0 +1,405 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+
+#include <linux/clk.h>
+#include <mach/clk-provider.h>
+#include <mach/clock-generic.h>
+
+/* ==================== Mux clock ==================== */
+
+static int parent_to_src_sel(struct mux_clk *mux, struct clk *p)
+{
+ int i;
+
+ for (i = 0; i < mux->num_parents; i++) {
+ if (mux->parents[i].src == p)
+ return mux->parents[i].sel;
+ }
+
+ return -EINVAL;
+}
+
+static int mux_set_parent(struct clk *c, struct clk *p)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ int sel = parent_to_src_sel(mux, p);
+ struct clk *old_parent;
+ int rc = 0;
+ unsigned long flags;
+
+ if (sel < 0)
+ return sel;
+
+ rc = __clk_pre_reparent(c, p, &flags);
+ if (rc)
+ goto out;
+
+ rc = mux->ops->set_mux_sel(mux, sel);
+ if (rc)
+ goto set_fail;
+
+ old_parent = c->parent;
+ c->parent = p;
+ __clk_post_reparent(c, old_parent, &flags);
+
+ return 0;
+
+set_fail:
+ __clk_post_reparent(c, p, &flags);
+out:
+ return rc;
+}
+
+static long mux_round_rate(struct clk *c, unsigned long rate)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ int i;
+ long prate, max_prate = 0, rrate = LONG_MAX;
+
+ for (i = 0; i < mux->num_parents; i++) {
+ prate = clk_round_rate(mux->parents[i].src, rate);
+ if (prate < rate) {
+ max_prate = max(prate, max_prate);
+ continue;
+ }
+
+ rrate = min(rrate, prate);
+ }
+ if (rrate == LONG_MAX)
+ rrate = max_prate;
+
+ return rrate ? rrate : -EINVAL;
+}
+
+static int mux_set_rate(struct clk *c, unsigned long rate)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ struct clk *new_parent = NULL;
+ int rc = 0, i;
+ unsigned long new_par_curr_rate;
+
+ for (i = 0; i < mux->num_parents; i++) {
+ if (clk_round_rate(mux->parents[i].src, rate) == rate) {
+ new_parent = mux->parents[i].src;
+ break;
+ }
+ }
+ if (new_parent == NULL)
+ return -EINVAL;
+
+ /*
+ * Switch to safe parent since the old and new parent might be the
+ * same and the parent might temporarily turn off while switching
+ * rates.
+ */
+ if (mux->safe_sel >= 0)
+ rc = mux->ops->set_mux_sel(mux, mux->safe_sel);
+ if (rc)
+ return rc;
+
+ new_par_curr_rate = clk_get_rate(new_parent);
+ rc = clk_set_rate(new_parent, rate);
+ if (rc)
+ goto set_rate_fail;
+
+ rc = mux_set_parent(c, new_parent);
+ if (rc)
+ goto set_par_fail;
+
+ return 0;
+
+set_par_fail:
+ clk_set_rate(new_parent, new_par_curr_rate);
+set_rate_fail:
+ WARN(mux->ops->set_mux_sel(mux, parent_to_src_sel(mux, c->parent)),
+ "Set rate failed for %s. Also in bad state!\n", c->dbg_name);
+ return rc;
+}
+
+static int mux_enable(struct clk *c)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ if (mux->ops->enable)
+ return mux->ops->enable(mux);
+ return 0;
+}
+
+static void mux_disable(struct clk *c)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ if (mux->ops->disable)
+ return mux->ops->disable(mux);
+}
+
+static struct clk *mux_get_parent(struct clk *c)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+ int sel = mux->ops->get_mux_sel(mux);
+ int i;
+
+ for (i = 0; i < mux->num_parents; i++) {
+ if (mux->parents[i].sel == sel)
+ return mux->parents[i].src;
+ }
+
+ /* Unfamiliar parent. */
+ return NULL;
+}
+
+static enum handoff mux_handoff(struct clk *c)
+{
+ struct mux_clk *mux = to_mux_clk(c);
+
+ c->rate = clk_get_rate(c->parent);
+ mux->safe_sel = parent_to_src_sel(mux, mux->safe_parent);
+
+ if (mux->en_mask && mux->ops && mux->ops->is_enabled)
+ return mux->ops->is_enabled(mux)
+ ? HANDOFF_ENABLED_CLK
+ : HANDOFF_DISABLED_CLK;
+
+ /*
+ * If this function returns 'enabled' even when the clock downstream
+ * of this clock is disabled, then handoff code will unnecessarily
+ * enable the current parent of this clock. If this function always
+ * returns 'disabled' and a clock downstream is on, the clock handoff
+ * code will bump up the ref count for this clock and its current
+ * parent as necessary. So, clocks without an actual HW gate can
+ * always return disabled.
+ */
+ return HANDOFF_DISABLED_CLK;
+}
+
+struct clk_ops clk_ops_gen_mux = {
+ .enable = mux_enable,
+ .disable = mux_disable,
+ .set_parent = mux_set_parent,
+ .round_rate = mux_round_rate,
+ .set_rate = mux_set_rate,
+ .handoff = mux_handoff,
+ .get_parent = mux_get_parent,
+};
+
+
+/* ==================== Divider clock ==================== */
+
+static long __div_round_rate(struct clk *c, unsigned long rate, int *best_div)
+{
+ struct div_clk *d = to_div_clk(c);
+ unsigned int div, min_div, max_div;
+ long p_rrate, rrate = LONG_MAX;
+
+ rate = max(rate, 1UL);
+
+ if (!d->ops || !d->ops->set_div)
+ min_div = max_div = d->div;
+ else {
+ min_div = max(d->min_div, 1U);
+ max_div = min(d->max_div, (unsigned int) (LONG_MAX / rate));
+ }
+
+ for (div = min_div; div <= max_div; div++) {
+ p_rrate = clk_round_rate(c->parent, rate * div);
+ if (p_rrate < 0)
+ break;
+
+ p_rrate /= div;
+ /*
+ * Trying higher dividers is only going to ask the parent for
+ * a higher rate. If it can't even output a rate higher than
+ * the one we request for this divider, the parent is not
+ * going to be able to output an even higher rate required
+ * for a higher divider. So, stop trying higher dividers.
+ */
+ if (p_rrate < rate) {
+ if (rrate == LONG_MAX) {
+ rrate = p_rrate;
+ if (best_div)
+ *best_div = div;
+ }
+ break;
+ }
+ if (p_rrate < rrate) {
+ rrate = p_rrate;
+ if (best_div)
+ *best_div = div;
+ }
+
+ if (rrate <= rate + d->rate_margin)
+ break;
+ }
+
+ if (rrate == LONG_MAX)
+ return -EINVAL;
+
+ return rrate;
+}
+
+static long div_round_rate(struct clk *c, unsigned long rate)
+{
+ return __div_round_rate(c, rate, NULL);
+}
+
+static int div_set_rate(struct clk *c, unsigned long rate)
+{
+ struct div_clk *d = to_div_clk(c);
+ int div, rc = 0;
+ long rrate, old_prate;
+
+ rrate = __div_round_rate(c, rate, &div);
+ if (rrate != rate)
+ return -EINVAL;
+
+ if (div > d->div)
+ rc = d->ops->set_div(d, div);
+ if (rc)
+ return rc;
+
+ old_prate = clk_get_rate(c->parent);
+ rc = clk_set_rate(c->parent, rate * div);
+ if (rc)
+ goto set_rate_fail;
+
+ if (div < d->div)
+ rc = d->ops->set_div(d, div);
+ if (rc)
+ goto div_dec_fail;
+
+ d->div = div;
+
+ return 0;
+
+div_dec_fail:
+ WARN(clk_set_rate(c->parent, old_prate),
+ "Set rate failed for %s. Also in bad state!\n", c->dbg_name);
+set_rate_fail:
+ if (div > d->div)
+ WARN(d->ops->set_div(d, d->div),
+ "Set rate failed for %s. Also in bad state!\n",
+ c->dbg_name);
+ return rc;
+}
+
+static int div_enable(struct clk *c)
+{
+ struct div_clk *d = to_div_clk(c);
+ if (d->ops->enable)
+ return d->ops->enable(d);
+ return 0;
+}
+
+static void div_disable(struct clk *c)
+{
+ struct div_clk *d = to_div_clk(c);
+ if (d->ops->disable)
+ return d->ops->disable(d);
+}
+
+static enum handoff div_handoff(struct clk *c)
+{
+ struct div_clk *d = to_div_clk(c);
+
+ if (d->ops->get_div)
+ d->div = max(d->ops->get_div(d), 1);
+ d->div = max(d->div, 1U);
+ c->rate = clk_get_rate(c->parent) / d->div;
+
+ if (d->en_mask && d->ops && d->ops->is_enabled)
+ return d->ops->is_enabled(d)
+ ? HANDOFF_ENABLED_CLK
+ : HANDOFF_DISABLED_CLK;
+
+ /*
+ * If this function returns 'enabled' even when the clock downstream
+ * of this clock is disabled, then handoff code will unnecessarily
+ * enable the current parent of this clock. If this function always
+ * returns 'disabled' and a clock downstream is on, the clock handoff
+ * code will bump up the ref count for this clock and its current
+ * parent as necessary. So, clocks without an actual HW gate can
+ * always return disabled.
+ */
+ return HANDOFF_DISABLED_CLK;
+}
+
+struct clk_ops clk_ops_div = {
+ .enable = div_enable,
+ .disable = div_disable,
+ .round_rate = div_round_rate,
+ .set_rate = div_set_rate,
+ .handoff = div_handoff,
+};
+
+static long __slave_div_round_rate(struct clk *c, unsigned long rate,
+ int *best_div)
+{
+ struct div_clk *d = to_div_clk(c);
+ unsigned int div, min_div, max_div;
+ long p_rate;
+
+ rate = max(rate, 1UL);
+
+ if (!d->ops || !d->ops->set_div)
+ min_div = max_div = d->div;
+ else {
+ min_div = d->min_div;
+ max_div = d->max_div;
+ }
+
+ p_rate = clk_get_rate(c->parent);
+ div = p_rate / rate;
+ div = max(div, min_div);
+ div = min(div, max_div);
+ if (best_div)
+ *best_div = div;
+
+ return p_rate / div;
+}
+
+static long slave_div_round_rate(struct clk *c, unsigned long rate)
+{
+ return __slave_div_round_rate(c, rate, NULL);
+}
+
+static int slave_div_set_rate(struct clk *c, unsigned long rate)
+{
+ struct div_clk *d = to_div_clk(c);
+ int div, rc = 0;
+ long rrate;
+
+ rrate = __slave_div_round_rate(c, rate, &div);
+ if (rrate != rate)
+ return -EINVAL;
+
+ if (div == d->div)
+ return 0;
+
+ if (d->ops->set_div)
+ rc = d->ops->set_div(d, div);
+ if (rc)
+ return rc;
+
+ d->div = div;
+
+ return 0;
+}
+
+struct clk_ops clk_ops_slave_div = {
+ .enable = div_enable,
+ .disable = div_disable,
+ .round_rate = slave_div_round_rate,
+ .set_rate = slave_div_set_rate,
+ .handoff = div_handoff,
+};
diff --git a/arch/arm/mach-msm/clock-local2.c b/arch/arm/mach-msm/clock-local2.c
index 8915bad..e67d973 100644
--- a/arch/arm/mach-msm/clock-local2.c
+++ b/arch/arm/mach-msm/clock-local2.c
@@ -815,18 +815,18 @@
/*
* mux clock functions
*/
-static void mux_clk_halt_check(void)
+static void cam_mux_clk_halt_check(void)
{
/* Ensure that the delay starts after the mux disable/enable. */
mb();
udelay(HALT_CHECK_DELAY_US);
}
-static int mux_clk_enable(struct clk *c)
+static int cam_mux_clk_enable(struct clk *c)
{
unsigned long flags;
u32 regval;
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
spin_lock_irqsave(&local_clock_reg_lock, flags);
regval = readl_relaxed(ENABLE_REG(mux));
@@ -835,15 +835,15 @@
spin_unlock_irqrestore(&local_clock_reg_lock, flags);
/* Wait for clock to enable before continuing. */
- mux_clk_halt_check();
+ cam_mux_clk_halt_check();
return 0;
}
-static void mux_clk_disable(struct clk *c)
+static void cam_mux_clk_disable(struct clk *c)
{
unsigned long flags;
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
u32 regval;
spin_lock_irqsave(&local_clock_reg_lock, flags);
@@ -853,10 +853,10 @@
spin_unlock_irqrestore(&local_clock_reg_lock, flags);
/* Wait for clock to disable before continuing. */
- mux_clk_halt_check();
+ cam_mux_clk_halt_check();
}
-static int mux_source_switch(struct mux_clk *mux, struct mux_source *dest)
+static int mux_source_switch(struct cam_mux_clk *mux, struct mux_source *dest)
{
unsigned long flags;
u32 regval;
@@ -879,9 +879,9 @@
return ret;
}
-static int mux_clk_set_parent(struct clk *c, struct clk *parent)
+static int cam_mux_clk_set_parent(struct clk *c, struct clk *parent)
{
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
struct mux_source *dest = NULL;
int ret;
@@ -908,9 +908,9 @@
return 0;
}
-static enum handoff mux_clk_handoff(struct clk *c)
+static enum handoff cam_mux_clk_handoff(struct clk *c)
{
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
u32 mask = mux->enable_mask;
u32 regval = readl_relaxed(ENABLE_REG(mux));
@@ -922,9 +922,9 @@
return HANDOFF_DISABLED_CLK;
}
-static struct clk *mux_clk_get_parent(struct clk *c)
+static struct clk *cam_mux_clk_get_parent(struct clk *c)
{
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
struct mux_source *parent = NULL;
u32 regval = readl_relaxed(SELECT_REG(mux));
@@ -943,9 +943,9 @@
return ERR_PTR(-EPERM);
}
-static int mux_clk_list_rate(struct clk *c, unsigned n)
+static int cam_mux_clk_list_rate(struct clk *c, unsigned n)
{
- struct mux_clk *mux = to_mux_clk(c);
+ struct cam_mux_clk *mux = to_cam_mux_clk(c);
int i;
for (i = 0; i < n; i++)
@@ -1022,13 +1022,13 @@
.handoff = local_vote_clk_handoff,
};
-struct clk_ops clk_ops_mux = {
- .enable = mux_clk_enable,
- .disable = mux_clk_disable,
- .set_parent = mux_clk_set_parent,
- .get_parent = mux_clk_get_parent,
- .handoff = mux_clk_handoff,
- .list_rate = mux_clk_list_rate,
+struct clk_ops clk_ops_cam_mux = {
+ .enable = cam_mux_clk_enable,
+ .disable = cam_mux_clk_disable,
+ .set_parent = cam_mux_clk_set_parent,
+ .get_parent = cam_mux_clk_get_parent,
+ .handoff = cam_mux_clk_handoff,
+ .list_rate = cam_mux_clk_list_rate,
};
diff --git a/arch/arm/mach-msm/clock-local2.h b/arch/arm/mach-msm/clock-local2.h
index f33cf9c..f307a2f 100644
--- a/arch/arm/mach-msm/clock-local2.h
+++ b/arch/arm/mach-msm/clock-local2.h
@@ -163,7 +163,7 @@
};
/**
- * struct mux_clk - branch clock
+ * struct cam_mux_clk - branch clock
* @c: clk
* @enable_reg: register that contains the enable bit(s) for the mux
* @select_reg: register that contains the source selection bits for the mux
@@ -172,7 +172,7 @@
* @sources: list of mux sources
* @base: pointer to base address of ioremapped registers.
*/
-struct mux_clk {
+struct cam_mux_clk {
struct clk c;
const u32 enable_reg;
const u32 select_reg;
@@ -184,9 +184,9 @@
void *const __iomem *base;
};
-static inline struct mux_clk *to_mux_clk(struct clk *clk)
+static inline struct cam_mux_clk *to_cam_mux_clk(struct clk *clk)
{
- return container_of(clk, struct mux_clk, c);
+ return container_of(clk, struct cam_mux_clk, c);
}
/*
@@ -200,7 +200,7 @@
*/
extern spinlock_t local_clock_reg_lock;
-extern struct clk_ops clk_ops_mux;
+extern struct clk_ops clk_ops_cam_mux;
extern struct clk_ops clk_ops_empty;
extern struct clk_ops clk_ops_rcg;
extern struct clk_ops clk_ops_rcg_mnd;
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 2e12e27..08817c0 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -63,6 +63,7 @@
int level, rc = 0, i;
struct regulator **r = vdd_class->regulator;
int **vdd_uv = vdd_class->vdd_uv;
+ int **vdd_ua = vdd_class->vdd_ua;
int max_level = vdd_class->num_levels - 1;
for (level = max_level; level > 0; level--)
@@ -77,20 +78,36 @@
vdd_uv[max_level][i]);
if (rc)
goto set_voltage_fail;
+
+ if (!vdd_ua)
+ continue;
+
+ rc = regulator_set_optimum_mode(r[i], vdd_ua[level][i]);
+ if (rc < 0)
+ goto set_mode_fail;
}
if (vdd_class->set_vdd && !vdd_class->num_regulators)
rc = vdd_class->set_vdd(vdd_class, level);
- if (!rc)
+ if (rc < 0)
vdd_class->cur_level = level;
- return rc;
+ return 0;
+
+set_mode_fail:
+ regulator_set_voltage(r[i], vdd_uv[vdd_class->cur_level][i],
+ vdd_uv[max_level][i]);
set_voltage_fail:
- level = vdd_class->cur_level;
- for (i--; i >= 0; i--)
- regulator_set_voltage(r[i], vdd_uv[level][i],
- vdd_uv[max_level][i]);
+ for (i--; i >= 0; i--) {
+ regulator_set_voltage(r[i], vdd_uv[vdd_class->cur_level][i],
+ vdd_uv[max_level][i]);
+
+ if (!vdd_ua)
+ continue;
+ regulator_set_optimum_mode(r[i],
+ vdd_ua[vdd_class->cur_level][i]);
+ }
return rc;
}
diff --git a/arch/arm/mach-msm/include/mach/clk-provider.h b/arch/arm/mach-msm/include/mach/clk-provider.h
index b358b53..0dd4957 100644
--- a/arch/arm/mach-msm/include/mach/clk-provider.h
+++ b/arch/arm/mach-msm/include/mach/clk-provider.h
@@ -49,6 +49,8 @@
* @set_vdd: function to call when applying a new voltage setting.
* @vdd_uv: sorted 2D array of legal voltage settings. Indexed by level, then
regulator.
+ * @vdd_ua: sorted 2D array of legal cureent settings. Indexed by level, then
+ regulator. Optional parameter.
* @level_votes: array of votes for each level.
* @num_levels: specifies the size of level_votes array.
* @cur_level: the currently set voltage level
@@ -60,6 +62,7 @@
int num_regulators;
int (*set_vdd)(struct clk_vdd_class *v_class, int level);
int **vdd_uv;
+ int **vdd_ua;
int *level_votes;
int num_levels;
unsigned long cur_level;
@@ -76,10 +79,12 @@
.lock = __MUTEX_INITIALIZER(_name.lock) \
}
-#define DEFINE_VDD_REGULATORS(_name, _num_levels, _num_regulators, _vdd_uv) \
+#define DEFINE_VDD_REGULATORS(_name, _num_levels, _num_regulators, _vdd_uv, \
+ _vdd_ua) \
struct clk_vdd_class _name = { \
.class_name = #_name, \
.vdd_uv = _vdd_uv, \
+ .vdd_ua = _vdd_ua, \
.regulator = (struct regulator * [_num_regulators]) {}, \
.num_regulators = _num_regulators, \
.level_votes = (int [_num_levels]) {}, \
@@ -89,6 +94,7 @@
}
#define VDD_UV(...) ((int []){__VA_ARGS__})
+#define VDD_UA(...) ((int []){__VA_ARGS__})
enum handoff {
HANDOFF_ENABLED_CLK,
diff --git a/arch/arm/mach-msm/include/mach/clock-generic.h b/arch/arm/mach-msm/include/mach/clock-generic.h
new file mode 100644
index 0000000..0f689f1
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/clock-generic.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_CLOCK_GENERIC_H
+#define __MACH_CLOCK_GENERIC_H
+
+#include <mach/clk-provider.h>
+
+/* ==================== Mux clock ==================== */
+
+struct clk_src {
+ struct clk *src;
+ int sel;
+};
+
+struct mux_clk;
+
+struct clk_mux_ops {
+ int (*set_mux_sel)(struct mux_clk *clk, int sel);
+ int (*get_mux_sel)(struct mux_clk *clk);
+
+ /* Optional */
+ bool (*is_enabled)(struct mux_clk *clk);
+ int (*enable)(struct mux_clk *clk);
+ void (*disable)(struct mux_clk *clk);
+};
+
+#define MUX_SRC_LIST(...) \
+ .parents = (struct clk_src[]){__VA_ARGS__}, \
+ .num_parents = ARRAY_SIZE(((struct clk_src[]){__VA_ARGS__}))
+
+struct mux_clk {
+ /* Parents in decreasing order of preference for obtaining rates. */
+ struct clk_src *parents;
+ int num_parents;
+ struct clk *safe_parent;
+ int safe_sel;
+ struct clk_mux_ops *ops;
+
+ /* Fields not used by helper function. */
+ void *const __iomem *base;
+ u32 offset;
+ u32 mask;
+ u32 shift;
+ u32 en_mask;
+ void *priv;
+
+ struct clk c;
+};
+
+static inline struct mux_clk *to_mux_clk(struct clk *c)
+{
+ return container_of(c, struct mux_clk, c);
+}
+
+extern struct clk_ops clk_ops_gen_mux;
+
+/* ==================== Divider clock ==================== */
+
+struct div_clk;
+
+struct clk_div_ops {
+ int (*set_div)(struct div_clk *clk, int div);
+ int (*get_div)(struct div_clk *clk);
+
+ /* Optional */
+ bool (*is_enabled)(struct div_clk *clk);
+ int (*enable)(struct div_clk *clk);
+ void (*disable)(struct div_clk *clk);
+};
+
+struct div_clk {
+ unsigned int div;
+ unsigned int min_div;
+ unsigned int max_div;
+ unsigned long rate_margin;
+ struct clk_div_ops *ops;
+
+ /* Fields not used by helper function. */
+ void *const __iomem *base;
+ u32 offset;
+ u32 mask;
+ u32 shift;
+ u32 en_mask;
+ void *priv;
+ struct clk c;
+};
+
+static inline struct div_clk *to_div_clk(struct clk *c)
+{
+ return container_of(c, struct div_clk, c);
+}
+
+extern struct clk_ops clk_ops_div;
+extern struct clk_ops clk_ops_slave_div;
+
+#define DEFINE_FIXED_DIV_CLK(clk_name, _div, _parent) \
+static struct div_clk clk_name = { \
+ .div = _div, \
+ .c = { \
+ .parent = _parent, \
+ .dbg_name = #clk_name, \
+ .ops = &clk_ops_div, \
+ CLK_INIT(clk_name.c), \
+ } \
+}
+
+#define DEFINE_FIXED_SLAVE_DIV_CLK(clk_name, _div, _parent) \
+static struct div_clk clk_name = { \
+ .div = _div, \
+ .c = { \
+ .parent = _parent, \
+ .dbg_name = #clk_name, \
+ .ops = &clk_ops_slave_div, \
+ CLK_INIT(clk_name.c), \
+ } \
+}
+
+#endif
diff --git a/arch/arm/mach-msm/include/mach/ecm_ipa.h b/arch/arm/mach-msm/include/mach/ecm_ipa.h
index 008a659..f6afb2a 100644
--- a/arch/arm/mach-msm/include/mach/ecm_ipa.h
+++ b/arch/arm/mach-msm/include/mach/ecm_ipa.h
@@ -24,15 +24,35 @@
enum ipa_dp_evt_type evt,
unsigned long data);
+/*
+ * struct ecm_ipa_params - parameters for ecm_ipa initialization API
+ *
+ * @ecm_ipa_rx_dp_notify: ecm_ipa will set this callback (out parameter).
+ * this callback shall be supplied for ipa_connect upon pipe
+ * connection (USB->IPA), once IPA driver receive data packets
+ * from USB pipe destined for Apps this callback will be called.
+ * @ecm_ipa_tx_dp_notify: ecm_ipa will set this callback (out parameter).
+ * this callback shall be supplied for ipa_connect upon pipe
+ * connection (IPA->USB), once IPA driver send packets destined
+ * for USB, IPA BAM will notify for Tx-complete.
+ * @priv: ecm_ipa will set this pointer (out parameter).
+ * This pointer will hold the network device for later interaction
+ * with ecm_ipa APIs
+ * @host_ethaddr: host Ethernet address in network order
+ * @device_ethaddr: device Ethernet address in network order
+ */
+struct ecm_ipa_params {
+ ecm_ipa_callback ecm_ipa_rx_dp_notify;
+ ecm_ipa_callback ecm_ipa_tx_dp_notify;
+ u8 host_ethaddr[ETH_ALEN];
+ u8 device_ethaddr[ETH_ALEN];
+ void *private;
+};
+
#ifdef CONFIG_ECM_IPA
-int ecm_ipa_init(ecm_ipa_callback * ecm_ipa_rx_dp_notify,
- ecm_ipa_callback * ecm_ipa_tx_dp_notify,
- void **priv);
-
-int ecm_ipa_configure(u8 host_ethaddr[], u8 device_ethaddr[],
- void *priv);
+int ecm_ipa_init(struct ecm_ipa_params *params);
int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,
void *priv);
@@ -43,15 +63,7 @@
#else /* CONFIG_ECM_IPA*/
-static inline int ecm_ipa_init(ecm_ipa_callback *ecm_ipa_rx_dp_notify,
- ecm_ipa_callback *ecm_ipa_tx_dp_notify,
- void **priv)
-{
- return 0;
-}
-
-static inline int ecm_ipa_configure(u8 host_ethaddr[], u8 device_ethaddr[],
- void *priv)
+int ecm_ipa_init(struct ecm_ipa_params *params)
{
return 0;
}
diff --git a/arch/arm/mach-msm/include/mach/ipa.h b/arch/arm/mach-msm/include/mach/ipa.h
index b4fbaee..db5e126 100644
--- a/arch/arm/mach-msm/include/mach/ipa.h
+++ b/arch/arm/mach-msm/include/mach/ipa.h
@@ -464,6 +464,13 @@
int ipa_disconnect(u32 clnt_hdl);
/*
+ * Resume / Suspend
+ */
+int ipa_resume(u32 clnt_hdl);
+
+int ipa_suspend(u32 clnt_hdl);
+
+/*
* Configuration
*/
int ipa_cfg_ep(u32 clnt_hdl, const struct ipa_ep_cfg *ipa_ep_cfg);
@@ -696,6 +703,19 @@
}
/*
+ * Resume / Suspend
+ */
+static inline int ipa_resume(u32 clnt_hdl)
+{
+ return -EPERM;
+}
+
+static inline int ipa_suspend(u32 clnt_hdl)
+{
+ return -EPERM;
+}
+
+/*
* Configuration
*/
static inline int ipa_cfg_ep(u32 clnt_hdl,
diff --git a/arch/arm/mach-msm/include/mach/socinfo.h b/arch/arm/mach-msm/include/mach/socinfo.h
index 008ecea..64531f0 100644
--- a/arch/arm/mach-msm/include/mach/socinfo.h
+++ b/arch/arm/mach-msm/include/mach/socinfo.h
@@ -36,11 +36,14 @@
#define of_board_is_rumi() of_machine_is_compatible("qcom,rumi")
#define of_board_is_fluid() of_machine_is_compatible("qcom,fluid")
#define of_board_is_liquid() of_machine_is_compatible("qcom,liquid")
+#define of_board_is_dragonboard() \
+ of_machine_is_compatible("qcom,dragonboard")
#define machine_is_msm8974() of_machine_is_compatible("qcom,msm8974")
#define machine_is_msm9625() of_machine_is_compatible("qcom,msm9625")
#define machine_is_msm8610() of_machine_is_compatible("qcom,msm8610")
#define machine_is_msm8226() of_machine_is_compatible("qcom,msm8226")
+#define machine_is_apq8074() of_machine_is_compatible("qcom,apq8074")
#define early_machine_is_msm8610() \
of_flat_dt_is_compatible(of_get_flat_dt_root(), "qcom,msm8610")
@@ -55,11 +58,13 @@
#define of_board_is_rumi() 0
#define of_board_is_fluid() 0
#define of_board_is_liquid() 0
+#define of_board_is_dragonboard() 0
#define machine_is_msm8974() 0
#define machine_is_msm9625() 0
#define machine_is_msm8610() 0
#define machine_is_msm8226() 0
+#define machine_is_apq8074() 0
#define early_machine_is_msm8610() 0
#define early_machine_is_mpq8092() 0
diff --git a/arch/arm/mach-msm/include/mach/subsystem_restart.h b/arch/arm/mach-msm/include/mach/subsystem_restart.h
index 4d4703f..893db0b 100644
--- a/arch/arm/mach-msm/include/mach/subsystem_restart.h
+++ b/arch/arm/mach-msm/include/mach/subsystem_restart.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -41,6 +41,7 @@
* @powerup: Start a subsystem
* @crash_shutdown: Shutdown a subsystem when the system crashes (can't sleep)
* @ramdump: Collect a ramdump of the subsystem
+ * @is_loadable: Indicate if subsystem firmware is loadable via pil framework
*/
struct subsys_desc {
const char *name;
@@ -56,6 +57,7 @@
void (*crash_shutdown)(const struct subsys_desc *desc);
int (*ramdump)(int, const struct subsys_desc *desc);
unsigned int err_ready_irq;
+ int is_loadable;
};
#if defined(CONFIG_MSM_SUBSYSTEM_RESTART)
diff --git a/arch/arm/mach-msm/ocmem_core.c b/arch/arm/mach-msm/ocmem_core.c
index 4ed4eda..9b18c59 100644
--- a/arch/arm/mach-msm/ocmem_core.c
+++ b/arch/arm/mach-msm/ocmem_core.c
@@ -66,7 +66,7 @@
#define NUM_PORTS_SHIFT (0)
#define GFX_MPU_SHIFT (12)
-#define NUM_MACROS_MASK (0xF << 8)
+#define NUM_MACROS_MASK (0x3F << 8)
#define NUM_MACROS_SHIFT (8)
#define INTERLEAVING_MASK (0x1 << 17)
diff --git a/arch/arm/mach-msm/pil-pronto.c b/arch/arm/mach-msm/pil-pronto.c
index cf29cf1..b186a4d 100644
--- a/arch/arm/mach-msm/pil-pronto.c
+++ b/arch/arm/mach-msm/pil-pronto.c
@@ -515,6 +515,17 @@
drv->subsys_desc.start = pronto_start;
drv->subsys_desc.stop = pronto_stop;
+ ret = of_get_named_gpio(pdev->dev.of_node,
+ "qcom,gpio-err-ready", 0);
+ if (ret < 0)
+ return ret;
+
+ ret = gpio_to_irq(ret);
+ if (ret < 0)
+ return ret;
+
+ drv->subsys_desc.err_ready_irq = ret;
+
INIT_DELAYED_WORK(&drv->cancel_vote_work, wcnss_post_bootup);
drv->subsys = subsys_register(&drv->subsys_desc);
diff --git a/arch/arm/mach-msm/pil-q6v5-mss.c b/arch/arm/mach-msm/pil-q6v5-mss.c
index 3ce1283..e993282 100644
--- a/arch/arm/mach-msm/pil-q6v5-mss.c
+++ b/arch/arm/mach-msm/pil-q6v5-mss.c
@@ -92,7 +92,6 @@
void *smem_ramdump_dev;
bool crash_shutdown;
bool ignore_errors;
- int is_loadable;
int err_fatal_irq;
int force_stop_gpio;
};
@@ -502,7 +501,7 @@
{
struct mba_data *drv = subsys_to_drv(subsys);
- if (!drv->is_loadable)
+ if (!subsys->is_loadable)
return 0;
pil_shutdown(&drv->desc);
pil_shutdown(&drv->q6->desc);
@@ -514,7 +513,7 @@
struct mba_data *drv = subsys_to_drv(subsys);
int ret;
- if (!drv->is_loadable)
+ if (!subsys->is_loadable)
return 0;
/*
* At this time, the modem is shutdown. Therefore this function cannot
@@ -601,7 +600,7 @@
int ret;
struct mba_data *drv = subsys_to_drv(desc);
- if (!drv->is_loadable)
+ if (!desc->is_loadable)
return 0;
ret = pil_boot(&drv->q6->desc);
@@ -624,7 +623,7 @@
{
struct mba_data *drv = subsys_to_drv(desc);
- if (!drv->is_loadable)
+ if (!desc->is_loadable)
return;
pil_shutdown(&drv->desc);
@@ -826,16 +825,17 @@
static int __devinit pil_mss_driver_probe(struct platform_device *pdev)
{
struct mba_data *drv;
- int ret, err_fatal_gpio;
+ int ret, err_fatal_gpio, is_loadable;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
if (!drv)
return -ENOMEM;
platform_set_drvdata(pdev, drv);
- drv->is_loadable = of_property_read_bool(pdev->dev.of_node,
+ is_loadable = of_property_read_bool(pdev->dev.of_node,
"qcom,is-loadable");
- if (drv->is_loadable) {
+ if (is_loadable) {
+ drv->subsys_desc.is_loadable = 1;
ret = pil_mss_loadable_init(drv, pdev);
if (ret)
return ret;
diff --git a/arch/arm/mach-msm/qdsp6v2/ultrasound/version_b/q6usm_b.c b/arch/arm/mach-msm/qdsp6v2/ultrasound/version_b/q6usm_b.c
index ff7ba33..a3af3e78 100644
--- a/arch/arm/mach-msm/qdsp6v2/ultrasound/version_b/q6usm_b.c
+++ b/arch/arm/mach-msm/qdsp6v2/ultrasound/version_b/q6usm_b.c
@@ -17,7 +17,7 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/msm_audio.h>
-#include <sound/apr_audio.h>
+#include <sound/apr_audio-v2.h>
#include <mach/qdsp6v2/apr_us_b.h>
#include "q6usm.h"
diff --git a/arch/arm/mach-msm/subsystem_restart.c b/arch/arm/mach-msm/subsystem_restart.c
index fb44e16..9479d46c 100644
--- a/arch/arm/mach-msm/subsystem_restart.c
+++ b/arch/arm/mach-msm/subsystem_restart.c
@@ -495,6 +495,9 @@
if (ret)
return ret;
+ if (!subsys->desc->is_loadable)
+ return 0;
+
ret = wait_for_err_ready(subsys);
if (ret)
/* pil-boot succeeded but we need to shutdown
diff --git a/block/blk-core.c b/block/blk-core.c
index 69764df..2b6595c 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1123,7 +1123,7 @@
* urgent requests. We want to be able to track this
* down.
*/
- pr_err("%s(): requeueing an URGENT request", __func__);
+ pr_err("%s(): reinserting an URGENT request", __func__);
WARN_ON(!q->dispatched_urgent);
q->dispatched_urgent = false;
}
@@ -2018,6 +2018,10 @@
* not be passed by new incoming requests
*/
rq->cmd_flags |= REQ_STARTED;
+ if (rq->cmd_flags & REQ_URGENT) {
+ WARN_ON(q->dispatched_urgent);
+ q->dispatched_urgent = true;
+ }
trace_block_rq_issue(q, rq);
}
@@ -2151,13 +2155,8 @@
struct request *rq;
rq = blk_peek_request(q);
- if (rq) {
- if (rq->cmd_flags & REQ_URGENT) {
- WARN_ON(q->dispatched_urgent);
- q->dispatched_urgent = true;
- }
+ if (rq)
blk_start_request(rq);
- }
return rq;
}
EXPORT_SYMBOL(blk_fetch_request);
diff --git a/drivers/crypto/msm/qce50.c b/drivers/crypto/msm/qce50.c
index d9f81b0..58fa5c9 100644
--- a/drivers/crypto/msm/qce50.c
+++ b/drivers/crypto/msm/qce50.c
@@ -3438,6 +3438,9 @@
if (handle == NULL)
return -ENODEV;
+ qce_enable_clk(pce_dev);
+ qce_sps_exit(pce_dev);
+
if (pce_dev->iobase)
iounmap(pce_dev->iobase);
if (pce_dev->coh_vmem)
@@ -3447,7 +3450,6 @@
qce_disable_clk(pce_dev);
__qce_deinit_clk(pce_dev);
- qce_sps_exit(pce_dev);
kfree(handle);
return 0;
diff --git a/drivers/crypto/msm/qcedev.c b/drivers/crypto/msm/qcedev.c
index 7666e74..a09bb42 100644
--- a/drivers/crypto/msm/qcedev.c
+++ b/drivers/crypto/msm/qcedev.c
@@ -323,10 +323,10 @@
u32 qcedev_sha_fail;
};
-static struct qcedev_stat _qcedev_stat[MAX_QCE_DEVICE];
+static struct qcedev_stat _qcedev_stat;
static struct dentry *_debug_dent;
static char _debug_read_buf[DEBUG_MAX_RW_BUF];
-static int _debug_qcedev[MAX_QCE_DEVICE];
+static int _debug_qcedev;
static struct qcedev_control *qcedev_minor_to_control(unsigned n)
{
@@ -693,7 +693,7 @@
if (ret)
qcedev_areq->err = -EIO;
- pstat = &_qcedev_stat[podev->pdev->id];
+ pstat = &_qcedev_stat;
if (qcedev_areq->op_type == QCEDEV_CRYPTO_OPER_CIPHER) {
switch (qcedev_areq->cipher_op_req.op) {
case QCEDEV_OPER_DEC:
@@ -1739,7 +1739,7 @@
return -ENOTTY;
init_completion(&qcedev_areq.complete);
- pstat = &_qcedev_stat[podev->pdev->id];
+ pstat = &_qcedev_stat;
switch (cmd) {
case QCEDEV_IOCTL_LOCK_CE:
@@ -2026,11 +2026,7 @@
struct qcedev_stat *pstat;
int len = 0;
- if (id < 0) {
- pr_err("Crypto id is %d, cannot be negative\n", id);
- return len;
- }
- pstat = &_qcedev_stat[id];
+ pstat = &_qcedev_stat;
len = snprintf(_debug_read_buf, DEBUG_MAX_RW_BUF - 1,
"\nQualcomm QCE dev driver %d Statistics:\n",
id + 1);
@@ -2076,10 +2072,7 @@
static ssize_t _debug_stats_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
-
- int qcedev = *((int *) file->private_data);
-
- memset((char *)&_qcedev_stat[qcedev], 0, sizeof(struct qcedev_stat));
+ memset((char *)&_qcedev_stat, 0, sizeof(struct qcedev_stat));
return count;
};
@@ -2093,7 +2086,6 @@
{
int rc;
char name[DEBUG_MAX_FNAME];
- int i;
struct dentry *dent;
_debug_dent = debugfs_create_dir("qcedev", NULL);
@@ -2103,17 +2095,15 @@
return PTR_ERR(_debug_dent);
}
- for (i = 0; i < MAX_QCE_DEVICE; i++) {
- snprintf(name, DEBUG_MAX_FNAME-1, "stats-%d", i+1);
- _debug_qcedev[i] = i;
- dent = debugfs_create_file(name, 0644, _debug_dent,
- &_debug_qcedev[i], &_debug_stats_ops);
- if (dent == NULL) {
- pr_err("qcedev debugfs_create_file fail, error %ld\n",
- PTR_ERR(dent));
- rc = PTR_ERR(dent);
- goto err;
- }
+ snprintf(name, DEBUG_MAX_FNAME-1, "stats-%d", 1);
+ _debug_qcedev = 0;
+ dent = debugfs_create_file(name, 0644, _debug_dent,
+ &_debug_qcedev, &_debug_stats_ops);
+ if (dent == NULL) {
+ pr_err("qcedev debugfs_create_file fail, error %ld\n",
+ PTR_ERR(dent));
+ rc = PTR_ERR(dent);
+ goto err;
}
return 0;
err:
diff --git a/drivers/crypto/msm/qcrypto.c b/drivers/crypto/msm/qcrypto.c
index 40fb29ac..d1cb933 100644
--- a/drivers/crypto/msm/qcrypto.c
+++ b/drivers/crypto/msm/qcrypto.c
@@ -42,7 +42,6 @@
#include "qce.h"
-#define MAX_CRYPTO_DEVICE 3
#define DEBUG_MAX_FNAME 16
#define DEBUG_MAX_RW_BUF 1024
@@ -53,6 +52,8 @@
u32 aead_sha1_des_dec;
u32 aead_sha1_3des_enc;
u32 aead_sha1_3des_dec;
+ u32 aead_ccm_aes_enc;
+ u32 aead_ccm_aes_dec;
u32 aead_op_success;
u32 aead_op_fail;
u32 ablk_cipher_aes_enc;
@@ -72,7 +73,7 @@
u32 sha_hmac_op_success;
u32 sha_hmac_op_fail;
};
-static struct crypto_stat _qcrypto_stat[MAX_CRYPTO_DEVICE];
+static struct crypto_stat _qcrypto_stat;
static struct dentry *_debug_dent;
static char _debug_read_buf[DEBUG_MAX_RW_BUF];
@@ -405,6 +406,39 @@
return i;
}
+size_t qcrypto_sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents,
+ void *buf, size_t buflen)
+{
+ int i;
+ size_t offset, len;
+
+ for (i = 0, offset = 0; i < nents; ++i) {
+ len = sg_copy_from_buffer(sgl, 1, buf, buflen);
+ buf += len;
+ buflen -= len;
+ offset += len;
+ sgl = scatterwalk_sg_next(sgl);
+ }
+
+ return offset;
+}
+
+size_t qcrypto_sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents,
+ void *buf, size_t buflen)
+{
+ int i;
+ size_t offset, len;
+
+ for (i = 0, offset = 0; i < nents; ++i) {
+ len = sg_copy_to_buffer(sgl, 1, buf, buflen);
+ buf += len;
+ buflen -= len;
+ offset += len;
+ sgl = scatterwalk_sg_next(sgl);
+ }
+
+ return offset;
+}
static struct qcrypto_alg *_qcrypto_sha_alg_alloc(struct crypto_priv *cp,
struct ahash_alg *template)
{
@@ -581,11 +615,7 @@
struct crypto_stat *pstat;
int len = 0;
- if (id < 0) {
- pr_err("Crypto id is %d, cannot be negative\n", id);
- return len;
- }
- pstat = &_qcrypto_stat[id];
+ pstat = &_qcrypto_stat;
len = snprintf(_debug_read_buf, DEBUG_MAX_RW_BUF - 1,
"\nQualcomm crypto accelerator %d Statistics:\n",
id + 1);
@@ -641,6 +671,13 @@
pstat->aead_sha1_3des_dec);
len += snprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
+ " AEAD CCM-AES encryption : %d\n",
+ pstat->aead_ccm_aes_enc);
+ len += snprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
+ " AEAD CCM-AES decryption : %d\n",
+ pstat->aead_ccm_aes_dec);
+
+ len += snprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
" AEAD operation success : %d\n",
pstat->aead_op_success);
len += snprintf(_debug_read_buf + len, DEBUG_MAX_RW_BUF - len - 1,
@@ -858,7 +895,7 @@
uint32_t diglen = crypto_ahash_digestsize(ahash);
uint32_t *auth32 = (uint32_t *)authdata;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
#ifdef QCRYPTO_DEBUG
dev_info(&cp->pdev->dev, "_qce_ahash_complete: %p ret %d\n",
@@ -916,7 +953,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
#ifdef QCRYPTO_DEBUG
dev_info(&cp->pdev->dev, "_qce_ablk_cipher_complete: %p ret %d\n",
@@ -943,7 +980,7 @@
areq->dst = rctx->orig_dst;
num_sg = qcrypto_count_sg(areq->dst, areq->nbytes);
- bytes = sg_copy_from_buffer(areq->dst, num_sg,
+ bytes = qcrypto_sg_copy_from_buffer(areq->dst, num_sg,
rctx->data, areq->nbytes);
if (bytes != areq->nbytes)
pr_warn("bytes copied=0x%x bytes to copy= 0x%x", bytes,
@@ -967,7 +1004,7 @@
struct qcrypto_cipher_req_ctx *rctx;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(areq);
@@ -988,7 +1025,7 @@
nbytes = areq->cryptlen -
crypto_aead_authsize(aead);
num_sg = qcrypto_count_sg(areq->dst, nbytes);
- bytes = sg_copy_from_buffer(areq->dst, num_sg,
+ bytes = qcrypto_sg_copy_from_buffer(areq->dst, num_sg,
((char *)rctx->data + areq->assoclen),
nbytes);
if (bytes != nbytes)
@@ -1118,7 +1155,7 @@
qreq->assoclen = ALIGN((alen + len), 16);
num_sg = qcrypto_count_sg(sg, alen);
- bytes = sg_copy_to_buffer(sg, num_sg, adata, alen);
+ bytes = qcrypto_sg_copy_to_buffer(sg, num_sg, adata, alen);
if (bytes != alen)
pr_warn("bytes copied=0x%x bytes to copy= 0x%x", bytes, alen);
@@ -1145,7 +1182,7 @@
rctx->orig_src = req->src;
rctx->orig_dst = req->dst;
- rctx->data = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ rctx->data = kzalloc((req->nbytes + 64), GFP_ATOMIC);
if (rctx->data == NULL) {
pr_err("Mem Alloc fail rctx->data, err %ld for 0x%x\n",
@@ -1153,7 +1190,7 @@
return -ENOMEM;
}
num_sg = qcrypto_count_sg(req->src, req->nbytes);
- bytes = sg_copy_to_buffer(req->src, num_sg, rctx->data,
+ bytes = qcrypto_sg_copy_to_buffer(req->src, num_sg, rctx->data,
req->nbytes);
if (bytes != req->nbytes)
pr_warn("bytes copied=0x%x bytes to copy= 0x%x", bytes,
@@ -1294,7 +1331,7 @@
rctx->orig_src = req->src;
rctx->orig_dst = req->dst;
rctx->data = kzalloc((req->cryptlen + qreq.assoclen +
- qreq.authsize + 64*2), GFP_KERNEL);
+ qreq.authsize + 64*2), GFP_ATOMIC);
if (rctx->data == NULL) {
pr_err("Mem Alloc fail rctx->data, err %ld\n",
PTR_ERR(rctx->data));
@@ -1305,7 +1342,7 @@
memcpy((char *)rctx->data, qreq.assoc, qreq.assoclen);
num_sg = qcrypto_count_sg(req->src, req->cryptlen);
- bytes = sg_copy_to_buffer(req->src, num_sg,
+ bytes = qcrypto_sg_copy_to_buffer(req->src, num_sg,
rctx->data + qreq.assoclen , req->cryptlen);
if (bytes != req->cryptlen)
pr_warn("bytes copied=0x%x bytes to copy= 0x%x",
@@ -1358,7 +1395,7 @@
int ret = 0;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
again:
spin_lock_irqsave(&cp->lock, flags);
@@ -1434,7 +1471,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1458,7 +1495,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1482,7 +1519,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1506,7 +1543,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1533,7 +1570,7 @@
(ctx->auth_key_len != AES_KEYSIZE_256))
return -EINVAL;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -1542,7 +1579,7 @@
rctx->mode = QCE_MODE_CCM;
rctx->iv = req->iv;
- pstat->aead_sha1_aes_enc++;
+ pstat->aead_ccm_aes_enc++;
return _qcrypto_queue_req(cp, &req->base);
}
@@ -1553,7 +1590,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1574,7 +1611,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1595,7 +1632,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1616,7 +1653,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1637,7 +1674,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1661,7 +1698,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1686,7 +1723,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1712,7 +1749,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1733,7 +1770,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1754,7 +1791,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1775,7 +1812,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1796,7 +1833,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
BUG_ON(crypto_tfm_alg_type(req->base.tfm) !=
CRYPTO_ALG_TYPE_ABLKCIPHER);
@@ -1824,7 +1861,7 @@
(ctx->auth_key_len != AES_KEYSIZE_256))
return -EINVAL;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -1833,7 +1870,7 @@
rctx->mode = QCE_MODE_CCM;
rctx->iv = req->iv;
- pstat->aead_sha1_aes_dec++;
+ pstat->aead_ccm_aes_dec++;
return _qcrypto_queue_req(cp, &req->base);
}
@@ -1939,7 +1976,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
#ifdef QCRYPTO_DEBUG
dev_info(&cp->pdev->dev, "_qcrypto_aead_encrypt_aes_cbc: %p\n", req);
@@ -1963,7 +2000,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
#ifdef QCRYPTO_DEBUG
dev_info(&cp->pdev->dev, "_qcrypto_aead_decrypt_aes_cbc: %p\n", req);
@@ -1988,7 +2025,7 @@
struct qcrypto_cipher_req_ctx *rctx;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(areq);
rctx->aead = 1;
@@ -2012,7 +2049,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2032,7 +2069,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2057,7 +2094,7 @@
struct qcrypto_cipher_req_ctx *rctx;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(areq);
rctx->aead = 1;
@@ -2081,7 +2118,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2101,7 +2138,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2123,7 +2160,7 @@
struct qcrypto_cipher_req_ctx *rctx;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(areq);
rctx->aead = 1;
@@ -2146,7 +2183,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2166,7 +2203,7 @@
struct crypto_priv *cp = ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(req);
rctx->aead = 1;
@@ -2188,7 +2225,7 @@
struct qcrypto_cipher_req_ctx *rctx;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
rctx = aead_request_ctx(areq);
rctx->aead = 1;
@@ -2220,10 +2257,9 @@
static int _sha1_init(struct ahash_request *req)
{
struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
- struct crypto_priv *cp = sha_ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
_sha_init(sha_ctx);
sha_ctx->alg = QCE_HASH_SHA1;
@@ -2241,10 +2277,9 @@
static int _sha256_init(struct ahash_request *req)
{
struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
- struct crypto_priv *cp = sha_ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
_sha_init(sha_ctx);
sha_ctx->alg = QCE_HASH_SHA256;
@@ -2347,7 +2382,7 @@
srctx = ahash_request_ctx(req);
srctx->orig_src = req->src;
- srctx->data = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ srctx->data = kzalloc((req->nbytes + 64), GFP_ATOMIC);
if (srctx->data == NULL) {
pr_err("Mem Alloc fail rctx->data, err %ld for 0x%x\n",
PTR_ERR(srctx->data), (req->nbytes + 64));
@@ -2355,7 +2390,8 @@
}
num_sg = qcrypto_count_sg(req->src, req->nbytes);
- bytes = sg_copy_to_buffer(req->src, num_sg, srctx->data, req->nbytes);
+ bytes = qcrypto_sg_copy_to_buffer(req->src, num_sg, srctx->data,
+ req->nbytes);
if (bytes != req->nbytes)
pr_warn("bytes copied=0x%x bytes to copy= 0x%x", bytes,
req->nbytes);
@@ -2390,7 +2426,7 @@
if (total <= sha_block_size) {
k_src = &sha_ctx->trailing_buf[sha_ctx->trailing_buf_len];
num_sg = qcrypto_count_sg(req->src, len);
- bytes = sg_copy_to_buffer(req->src, num_sg, k_src, len);
+ bytes = qcrypto_sg_copy_to_buffer(req->src, num_sg, k_src, len);
sha_ctx->trailing_buf_len = total;
if (sha_ctx->alg == QCE_HASH_SHA1)
@@ -2431,13 +2467,13 @@
if (sha_ctx->trailing_buf_len) {
if (cp->ce_support.aligned_only) {
sha_ctx->sg = kzalloc(sizeof(struct scatterlist),
- GFP_KERNEL);
+ GFP_ATOMIC);
if (sha_ctx->sg == NULL) {
pr_err("MemAlloc fail sha_ctx->sg, error %ld\n",
PTR_ERR(sha_ctx->sg));
return -ENOMEM;
}
- rctx->data2 = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ rctx->data2 = kzalloc((req->nbytes + 64), GFP_ATOMIC);
if (rctx->data2 == NULL) {
pr_err("Mem Alloc fail srctx->data2, err %ld\n",
PTR_ERR(rctx->data2));
@@ -2458,7 +2494,7 @@
} else {
sg_mark_end(sg_last);
sha_ctx->sg = kzalloc(2 * (sizeof(struct scatterlist)),
- GFP_KERNEL);
+ GFP_ATOMIC);
if (sha_ctx->sg == NULL) {
pr_err("MEMalloc fail sha_ctx->sg, error %ld\n",
PTR_ERR(sha_ctx->sg));
@@ -2688,7 +2724,7 @@
struct crypto_stat *pstat;
int ret = 0;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
pstat->sha1_hmac_digest++;
_sha_init(sha_ctx);
@@ -2715,7 +2751,7 @@
struct crypto_stat *pstat;
int ret = 0;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
pstat->sha256_hmac_digest++;
_sha_init(sha_ctx);
@@ -2853,10 +2889,9 @@
static int _sha1_hmac_digest(struct ahash_request *req)
{
struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
- struct crypto_priv *cp = sha_ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
pstat->sha1_hmac_digest++;
_sha_init(sha_ctx);
@@ -2871,10 +2906,9 @@
static int _sha256_hmac_digest(struct ahash_request *req)
{
struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
- struct crypto_priv *cp = sha_ctx->cp;
struct crypto_stat *pstat;
- pstat = &_qcrypto_stat[cp->pdev->id];
+ pstat = &_qcrypto_stat;
pstat->sha256_hmac_digest++;
_sha_init(sha_ctx);
@@ -3327,12 +3361,6 @@
int i;
struct msm_ce_hw_support *platform_support;
- if (pdev->id >= MAX_CRYPTO_DEVICE) {
- pr_err("%s: device id %d exceeds allowed %d\n",
- __func__, pdev->id, MAX_CRYPTO_DEVICE);
- return -ENOENT;
- }
-
cp = kzalloc(sizeof(*cp), GFP_KERNEL);
if (!cp) {
pr_err("qcrypto Memory allocation of q_alg FAIL, error %ld\n",
@@ -3572,7 +3600,7 @@
},
};
-static int _debug_qcrypto[MAX_CRYPTO_DEVICE];
+static int _debug_qcrypto;
static int _debug_stats_open(struct inode *inode, struct file *file)
{
@@ -3599,9 +3627,7 @@
size_t count, loff_t *ppos)
{
- int qcrypto = *((int *) file->private_data);
-
- memset((char *)&_qcrypto_stat[qcrypto], 0, sizeof(struct crypto_stat));
+ memset((char *)&_qcrypto_stat, 0, sizeof(struct crypto_stat));
return count;
};
@@ -3615,7 +3641,6 @@
{
int rc;
char name[DEBUG_MAX_FNAME];
- int i;
struct dentry *dent;
_debug_dent = debugfs_create_dir("qcrypto", NULL);
@@ -3625,17 +3650,15 @@
return PTR_ERR(_debug_dent);
}
- for (i = 0; i < MAX_CRYPTO_DEVICE; i++) {
- snprintf(name, DEBUG_MAX_FNAME-1, "stats-%d", i+1);
- _debug_qcrypto[i] = i;
- dent = debugfs_create_file(name, 0644, _debug_dent,
- &_debug_qcrypto[i], &_debug_stats_ops);
- if (dent == NULL) {
- pr_err("qcrypto debugfs_create_file fail, error %ld\n",
- PTR_ERR(dent));
- rc = PTR_ERR(dent);
- goto err;
- }
+ snprintf(name, DEBUG_MAX_FNAME-1, "stats-%d", 1);
+ _debug_qcrypto = 0;
+ dent = debugfs_create_file(name, 0644, _debug_dent,
+ &_debug_qcrypto, &_debug_stats_ops);
+ if (dent == NULL) {
+ pr_err("qcrypto debugfs_create_file fail, error %ld\n",
+ PTR_ERR(dent));
+ rc = PTR_ERR(dent);
+ goto err;
}
return 0;
err:
diff --git a/drivers/gpu/ion/msm/ion_iommu_map.c b/drivers/gpu/ion/msm/ion_iommu_map.c
index 5ce03db..0a4fe1f 100644
--- a/drivers/gpu/ion/msm/ion_iommu_map.c
+++ b/drivers/gpu/ion/msm/ion_iommu_map.c
@@ -11,6 +11,7 @@
*
*/
+#include <linux/dma-buf.h>
#include <linux/export.h>
#include <linux/iommu.h>
#include <linux/ion.h>
@@ -69,6 +70,7 @@
struct sg_table *table;
unsigned long size;
struct mutex lock;
+ struct dma_buf *dbuf;
};
static struct rb_root iommu_root;
@@ -85,9 +87,9 @@
parent = *p;
entry = rb_entry(parent, struct ion_iommu_meta, node);
- if (meta->handle < entry->handle) {
+ if (meta->table < entry->table) {
p = &(*p)->rb_left;
- } else if (meta->handle > entry->handle) {
+ } else if (meta->table > entry->table) {
p = &(*p)->rb_right;
} else {
pr_err("%s: handle %p already exists\n", __func__,
@@ -101,7 +103,7 @@
}
-static struct ion_iommu_meta *ion_iommu_meta_lookup(struct ion_handle *handle)
+static struct ion_iommu_meta *ion_iommu_meta_lookup(struct sg_table *table)
{
struct rb_root *root = &iommu_root;
struct rb_node **p = &root->rb_node;
@@ -112,9 +114,9 @@
parent = *p;
entry = rb_entry(parent, struct ion_iommu_meta, node);
- if (handle < entry->handle)
+ if (table < entry->table)
p = &(*p)->rb_left;
- else if (handle > entry->handle)
+ else if (table > entry->table)
p = &(*p)->rb_right;
else
return entry;
@@ -319,7 +321,8 @@
return ERR_PTR(ret);
}
-static struct ion_iommu_meta *ion_iommu_meta_create(struct ion_handle *handle,
+static struct ion_iommu_meta *ion_iommu_meta_create(struct ion_client *client,
+ struct ion_handle *handle,
struct sg_table *table,
unsigned long size)
{
@@ -333,6 +336,7 @@
meta->handle = handle;
meta->table = table;
meta->size = size;
+ meta->dbuf = ion_share_dma_buf(client, handle);
kref_init(&meta->ref);
mutex_init(&meta->lock);
ion_iommu_meta_add(meta);
@@ -347,6 +351,7 @@
rb_erase(&meta->node, &iommu_root);
+ dma_buf_put(meta->dbuf);
kfree(meta);
}
@@ -427,13 +432,13 @@
}
mutex_lock(&msm_iommu_map_mutex);
- iommu_meta = ion_iommu_meta_lookup(handle);
+ iommu_meta = ion_iommu_meta_lookup(table);
if (!iommu_meta)
- iommu_meta = ion_iommu_meta_create(handle, table, size);
+ iommu_meta = ion_iommu_meta_create(client, handle, table, size);
else
kref_get(&iommu_meta->ref);
-
+ BUG_ON(iommu_meta->size != size);
mutex_unlock(&msm_iommu_map_mutex);
iommu_map = ion_iommu_lookup(iommu_meta, domain_num, partition_num);
@@ -493,6 +498,7 @@
{
struct ion_iommu_map *iommu_map;
struct ion_iommu_meta *meta;
+ struct sg_table *table;
if (IS_ERR_OR_NULL(client)) {
pr_err("%s: client pointer is invalid\n", __func__);
@@ -503,13 +509,14 @@
return;
}
+ table = ion_sg_table(client, handle);
mutex_lock(&msm_iommu_map_mutex);
- meta = ion_iommu_meta_lookup(handle);
+ meta = ion_iommu_meta_lookup(table);
if (!meta) {
WARN(1, "%s: (%d,%d) was never mapped for %p\n", __func__,
domain_num, partition_num, handle);
- mutex_lock(&msm_iommu_map_mutex);
+ mutex_unlock(&msm_iommu_map_mutex);
goto out;
}
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index 60e457d..7cd9943 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -1864,6 +1864,9 @@
if (!kgsl_mmu_use_cpu_map(private->pagetable->mmu))
entry->memdesc.flags &= ~KGSL_MEMFLAGS_USE_CPU_MAP;
+ if (kgsl_mmu_get_mmutype() == KGSL_MMU_TYPE_IOMMU)
+ entry->memdesc.priv |= KGSL_MEMDESC_GUARD_PAGE;
+
switch (memtype) {
case KGSL_USER_MEM_TYPE_PMEM:
if (param->fd == 0 || param->len == 0)
@@ -2088,6 +2091,9 @@
if (entry == NULL)
return -ENOMEM;
+ if (kgsl_mmu_get_mmutype() == KGSL_MMU_TYPE_IOMMU)
+ entry->memdesc.priv |= KGSL_MEMDESC_GUARD_PAGE;
+
result = kgsl_allocate_user(&entry->memdesc, private->pagetable, size,
flags);
if (result != 0)
@@ -2841,10 +2847,6 @@
int sglen = entry->memdesc.sglen;
unsigned long addr = vma->vm_start;
- /* don't map in the guard page, it should always fault */
- if (kgsl_memdesc_has_guard_page(&entry->memdesc))
- sglen--;
-
for_each_sg(entry->memdesc.sg, s, sglen, i) {
int j;
for (j = 0; j < (sg_dma_len(s) >> PAGE_SHIFT); j++) {
diff --git a/drivers/gpu/msm/kgsl_gpummu.c b/drivers/gpu/msm/kgsl_gpummu.c
index 8d071d1..6f139b9 100644
--- a/drivers/gpu/msm/kgsl_gpummu.c
+++ b/drivers/gpu/msm/kgsl_gpummu.c
@@ -615,7 +615,7 @@
{
unsigned int numpages;
unsigned int pte, ptefirst, ptelast, superpte;
- unsigned int range = kgsl_sg_size(memdesc->sg, memdesc->sglen);
+ unsigned int range = memdesc->size;
struct kgsl_gpummu_pt *gpummu_pt = pt->priv;
/* All GPU addresses as assigned are page aligned, but some
diff --git a/drivers/gpu/msm/kgsl_iommu.c b/drivers/gpu/msm/kgsl_iommu.c
index 206f4ef..3057723 100644
--- a/drivers/gpu/msm/kgsl_iommu.c
+++ b/drivers/gpu/msm/kgsl_iommu.c
@@ -84,6 +84,13 @@
struct remote_iommu_petersons_spinlock kgsl_iommu_sync_lock_vars;
+/*
+ * One page allocation for a guard region to protect against over-zealous
+ * GPU pre-fetch
+ */
+
+static struct page *kgsl_guard_page;
+
static int get_iommu_unit(struct device *dev, struct kgsl_mmu **mmu_out,
struct kgsl_iommu_unit **iommu_unit_out)
{
@@ -1378,6 +1385,15 @@
iommu_ops.mmu_cleanup_pt = kgsl_iommu_cleanup_regs;
}
+ if (kgsl_guard_page == NULL) {
+ kgsl_guard_page = alloc_page(GFP_KERNEL | __GFP_ZERO |
+ __GFP_HIGHMEM);
+ if (kgsl_guard_page == NULL) {
+ status = -ENOMEM;
+ goto done;
+ }
+ }
+
dev_info(mmu->device->dev, "|%s| MMU type set for device is IOMMU\n",
__func__);
done:
@@ -1628,7 +1644,7 @@
unsigned int *tlb_flags)
{
int ret;
- unsigned int range = kgsl_sg_size(memdesc->sg, memdesc->sglen);
+ unsigned int range = memdesc->size;
struct kgsl_iommu_pt *iommu_pt = pt->priv;
/* All GPU addresses as assigned are page aligned, but some
@@ -1640,6 +1656,9 @@
if (range == 0 || gpuaddr == 0)
return 0;
+ if (kgsl_memdesc_has_guard_page(memdesc))
+ range += PAGE_SIZE;
+
ret = iommu_unmap_range(iommu_pt->domain, gpuaddr, range);
if (ret)
KGSL_CORE_ERR("iommu_unmap_range(%p, %x, %d) failed "
@@ -1664,14 +1683,10 @@
int ret;
unsigned int iommu_virt_addr;
struct kgsl_iommu_pt *iommu_pt = pt->priv;
- int size = kgsl_sg_size(memdesc->sg, memdesc->sglen);
+ int size = memdesc->size;
BUG_ON(NULL == iommu_pt);
- /* if there's a guard page, we'll map it read only below */
- if ((protflags & IOMMU_WRITE) && kgsl_memdesc_has_guard_page(memdesc))
- size -= PAGE_SIZE;
-
iommu_virt_addr = memdesc->gpuaddr;
ret = iommu_map_range(iommu_pt->domain, iommu_virt_addr, memdesc->sg,
@@ -1682,16 +1697,14 @@
protflags, ret);
return ret;
}
- if ((protflags & IOMMU_WRITE) && kgsl_memdesc_has_guard_page(memdesc)) {
- struct scatterlist *sg = &memdesc->sg[memdesc->sglen - 1];
-
+ if (kgsl_memdesc_has_guard_page(memdesc)) {
ret = iommu_map(iommu_pt->domain, iommu_virt_addr + size,
- kgsl_get_sg_pa(sg), PAGE_SIZE,
+ page_to_phys(kgsl_guard_page), PAGE_SIZE,
protflags & ~IOMMU_WRITE);
if (ret) {
- KGSL_CORE_ERR("iommu_map(%p, %x, %x, %x) err: %d\n",
+ KGSL_CORE_ERR("iommu_map(%p, %x, guard, %x) err: %d\n",
iommu_pt->domain, iommu_virt_addr + size,
- kgsl_get_sg_pa(sg), protflags & ~IOMMU_WRITE,
+ protflags & ~IOMMU_WRITE,
ret);
/* cleanup the partial mapping */
iommu_unmap_range(iommu_pt->domain, iommu_virt_addr,
@@ -1771,6 +1784,11 @@
kfree(iommu);
+ if (kgsl_guard_page != NULL) {
+ __free_page(kgsl_guard_page);
+ kgsl_guard_page = NULL;
+ }
+
return 0;
}
diff --git a/drivers/gpu/msm/kgsl_mmu.c b/drivers/gpu/msm/kgsl_mmu.c
index 6e41707..3ebfdcd 100644
--- a/drivers/gpu/msm/kgsl_mmu.c
+++ b/drivers/gpu/msm/kgsl_mmu.c
@@ -640,7 +640,10 @@
}
}
- size = kgsl_sg_size(memdesc->sg, memdesc->sglen);
+ /* Add space for the guard page when allocating the mmu VA. */
+ size = memdesc->size;
+ if (kgsl_memdesc_has_guard_page(memdesc))
+ size += PAGE_SIZE;
pool = pagetable->pool;
@@ -738,7 +741,10 @@
return 0;
}
- size = kgsl_sg_size(memdesc->sg, memdesc->sglen);
+ /* Add space for the guard page when freeing the mmu VA. */
+ size = memdesc->size;
+ if (kgsl_memdesc_has_guard_page(memdesc))
+ size += PAGE_SIZE;
start_addr = memdesc->gpuaddr;
end_addr = (memdesc->gpuaddr + size);
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
index 62db513..b9bc432 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.c
+++ b/drivers/gpu/msm/kgsl_sharedmem.c
@@ -65,14 +65,6 @@
mem_entry_max_show), \
}
-
-/*
- * One page allocation for a guard region to protect against over-zealous
- * GPU pre-fetch
- */
-
-static struct page *kgsl_guard_page;
-
/**
* Given a kobj, find the process structure attached to it
*/
@@ -364,10 +356,6 @@
struct scatterlist *sg;
int sglen = memdesc->sglen;
- /* Don't free the guard page if it was used */
- if (memdesc->priv & KGSL_MEMDESC_GUARD_PAGE)
- sglen--;
-
kgsl_driver.stats.page_alloc -= memdesc->size;
if (memdesc->hostptr) {
@@ -402,10 +390,6 @@
int sglen = memdesc->sglen;
int i, count = 0;
- /* Don't map the guard page if it exists */
- if (memdesc->priv & KGSL_MEMDESC_GUARD_PAGE)
- sglen--;
-
/* create a list of pages to call vmap */
pages = vmalloc(npages * sizeof(struct page *));
if (!pages) {
@@ -564,14 +548,6 @@
sglen_alloc = PAGE_ALIGN(size) >> PAGE_SHIFT;
- /*
- * Add guard page to the end of the allocation when the
- * IOMMU is in use.
- */
-
- if (kgsl_mmu_get_mmutype() == KGSL_MMU_TYPE_IOMMU)
- sglen_alloc++;
-
memdesc->size = size;
memdesc->pagetable = pagetable;
memdesc->ops = &kgsl_page_alloc_ops;
@@ -647,26 +623,6 @@
len -= page_size;
}
- /* Add the guard page to the end of the sglist */
-
- if (kgsl_mmu_get_mmutype() == KGSL_MMU_TYPE_IOMMU) {
- /*
- * It doesn't matter if we use GFP_ZERO here, this never
- * gets mapped, and we only allocate it once in the life
- * of the system
- */
-
- if (kgsl_guard_page == NULL)
- kgsl_guard_page = alloc_page(GFP_KERNEL | __GFP_ZERO |
- __GFP_HIGHMEM);
-
- if (kgsl_guard_page != NULL) {
- sg_set_page(&memdesc->sg[sglen++], kgsl_guard_page,
- PAGE_SIZE, 0);
- memdesc->priv |= KGSL_MEMDESC_GUARD_PAGE;
- }
- }
-
memdesc->sglen = sglen;
/*
diff --git a/drivers/gpu/msm/kgsl_sharedmem.h b/drivers/gpu/msm/kgsl_sharedmem.h
index 279490f..14ae0dc 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.h
+++ b/drivers/gpu/msm/kgsl_sharedmem.h
@@ -295,15 +295,4 @@
return ret;
}
-static inline int kgsl_sg_size(struct scatterlist *sg, int sglen)
-{
- int i, size = 0;
- struct scatterlist *s;
-
- for_each_sg(sg, s, sglen, i) {
- size += s->length;
- }
-
- return size;
-}
#endif /* __KGSL_SHAREDMEM_H */
diff --git a/drivers/input/touchscreen/synaptics_fw_update.c b/drivers/input/touchscreen/synaptics_fw_update.c
index 986c062..dbe378c 100644
--- a/drivers/input/touchscreen/synaptics_fw_update.c
+++ b/drivers/input/touchscreen/synaptics_fw_update.c
@@ -25,6 +25,7 @@
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/firmware.h>
+#include <linux/string.h>
#include <linux/input/synaptics_dsx.h>
#include "synaptics_i2c_rmi4.h"
@@ -34,14 +35,7 @@
#define FORCE_UPDATE false
#define INSIDE_FIRMWARE_UPDATE
-#define CHECKSUM_OFFSET 0x00
-#define BOOTLOADER_VERSION_OFFSET 0x07
-#define IMAGE_SIZE_OFFSET 0x08
-#define CONFIG_SIZE_OFFSET 0x0C
-#define PRODUCT_ID_OFFSET 0x10
-#define PRODUCT_INFO_OFFSET 0x1E
#define FW_IMAGE_OFFSET 0x100
-#define PRODUCT_ID_SIZE 10
#define BOOTLOADER_ID_OFFSET 0
#define FLASH_PROPERTIES_OFFSET 2
@@ -59,10 +53,14 @@
#define BLOCK_NUMBER_OFFSET 0
#define BLOCK_DATA_OFFSET 2
-#define UI_CONFIG_AREA 0x00
-#define PERM_CONFIG_AREA 0x01
-#define BL_CONFIG_AREA 0x02
-#define DISP_CONFIG_AREA 0x03
+#define NAME_BUFFER_SIZE 128
+
+enum falsh_config_area {
+ UI_CONFIG_AREA = 0x00,
+ PERM_CONFIG_AREA = 0x01,
+ BL_CONFIG_AREA = 0x02,
+ DISP_CONFIG_AREA = 0x03
+};
enum flash_command {
CMD_WRITE_FW_BLOCK = 0x2,
@@ -70,9 +68,10 @@
CMD_READ_CONFIG_BLOCK = 0x5,
CMD_WRITE_CONFIG_BLOCK = 0x6,
CMD_ERASE_CONFIG = 0x7,
+ CMD_READ_SENSOR_ID = 0x8,
CMD_ERASE_BL_CONFIG = 0x9,
CMD_ERASE_DISP_CONFIG = 0xA,
- CMD_ENABLE_FLASH_PROG = 0xF,
+ CMD_ENABLE_FLASH_PROG = 0xF
};
enum flash_area {
@@ -81,6 +80,11 @@
CONFIG_AREA
};
+enum image_file_option {
+ OPTION_BUILD_INFO = 0,
+ OPTION_CONTAIN_BOOTLOADER = 1,
+};
+
#define SLEEP_MODE_NORMAL (0x00)
#define SLEEP_MODE_SENSOR_SLEEP (0x01)
#define SLEEP_MODE_RESERVED0 (0x02)
@@ -91,6 +95,8 @@
#define ERASE_WAIT_MS (5 * 1000)
#define RESET_WAIT_MS (500)
+#define POLLING_MODE 0
+
#define SLEEP_TIME_US 50
static ssize_t fwu_sysfs_show_image(struct file *data_file,
@@ -139,6 +145,40 @@
static int fwu_wait_for_idle(int timeout_ms);
+struct image_header_data {
+ union {
+ struct {
+ /* 0x00-0x0F */
+ unsigned char file_checksum[4];
+ unsigned char reserved_04;
+ unsigned char reserved_05;
+ unsigned char options_firmware_id:1;
+ unsigned char options_contain_bootloader:1;
+ unsigned char options_reserved:6;
+ unsigned char bootloader_version;
+ unsigned char firmware_size[4];
+ unsigned char config_size[4];
+ /* 0x10-0x1F */
+ unsigned char product_id[SYNAPTICS_RMI4_PRODUCT_ID_SIZE];
+ unsigned char reserved_1a;
+ unsigned char reserved_1b;
+ unsigned char reserved_1c;
+ unsigned char reserved_1d;
+ unsigned char product_info[SYNAPTICS_RMI4_PRODUCT_INFO_SIZE];
+ /* 0x20-0x2F */
+ unsigned char reserved_20_2f[0x10];
+ /* 0x30-0x3F */
+ unsigned char ds_firmware_id[0x10];
+ /* 0x40-0x4F */
+ unsigned char ds_customize_info[10];
+ unsigned char reserved_4a_4f[6];
+ /* 0x50-0x53*/
+ unsigned char firmware_id[4];
+ } __packed;
+ unsigned char data[54];
+ };
+};
+
struct image_header {
unsigned int checksum;
unsigned int image_size;
@@ -147,6 +187,8 @@
unsigned char bootloader_version;
unsigned char product_id[SYNAPTICS_RMI4_PRODUCT_ID_SIZE + 1];
unsigned char product_info[SYNAPTICS_RMI4_PRODUCT_INFO_SIZE];
+ unsigned int firmware_id;
+ bool is_contain_build_info;
};
struct pdt_properties {
@@ -245,6 +287,7 @@
struct f34_flash_properties flash_properties;
struct workqueue_struct *fwu_workqueue;
struct delayed_work fwu_work;
+ char *firmware_name;
};
static struct bin_attribute dev_attr_data = {
@@ -308,18 +351,36 @@
(unsigned int)ptr[3] * 0x1000000;
}
+static unsigned int extract_uint_be(const unsigned char *ptr)
+{
+ return (unsigned int)ptr[3] +
+ (unsigned int)ptr[2] * 0x100 +
+ (unsigned int)ptr[1] * 0x10000 +
+ (unsigned int)ptr[0] * 0x1000000;
+}
+
static void parse_header(struct image_header *header,
const unsigned char *fw_image)
{
- header->checksum = extract_uint(&fw_image[CHECKSUM_OFFSET]);
- header->bootloader_version = fw_image[BOOTLOADER_VERSION_OFFSET];
- header->image_size = extract_uint(&fw_image[IMAGE_SIZE_OFFSET]);
- header->config_size = extract_uint(&fw_image[CONFIG_SIZE_OFFSET]);
- memcpy(header->product_id, &fw_image[PRODUCT_ID_OFFSET],
- SYNAPTICS_RMI4_PRODUCT_ID_SIZE);
- header->product_id[SYNAPTICS_RMI4_PRODUCT_ID_SIZE] = 0;
- memcpy(header->product_info, &fw_image[PRODUCT_INFO_OFFSET],
- SYNAPTICS_RMI4_PRODUCT_INFO_SIZE);
+ struct image_header_data *data = (struct image_header_data *)fw_image;
+ header->checksum = extract_uint(data->file_checksum);
+ header->bootloader_version = data->bootloader_version;
+ header->image_size = extract_uint(data->firmware_size);
+ header->config_size = extract_uint(data->config_size);
+ memcpy(header->product_id, data->product_id,
+ sizeof(data->product_id));
+ header->product_id[sizeof(data->product_info)] = 0;
+ memcpy(header->product_info, data->product_info,
+ sizeof(data->product_info));
+
+ header->is_contain_build_info =
+ (data->options_firmware_id == (1 << OPTION_BUILD_INFO));
+ if (header->is_contain_build_info) {
+ header->firmware_id = extract_uint(data->firmware_id);
+ dev_info(&fwu->rmi4_data->i2c_client->dev,
+ "%s Firwmare build id %d\n", __func__,
+ header->firmware_id);
+ }
#ifdef DEBUG_FW_UPDATE
dev_info(&fwu->rmi4_data->i2c_client->dev,
@@ -516,6 +577,9 @@
int count = 0;
int timeout_count = ((timeout_ms * 1000) / SLEEP_TIME_US) + 1;
do {
+ #if POLLING_MODE
+ fwu_read_f34_flash_status();
+ #endif
if (fwu->flash_control.command == 0x00)
return 0;
@@ -533,7 +597,7 @@
return -ETIMEDOUT;
}
-static enum flash_area fwu_go_nogo(void)
+static enum flash_area fwu_go_nogo(struct image_header *header)
{
int retval = 0;
int index = 0;
@@ -569,7 +633,6 @@
goto exit;
}
-
/* device firmware id */
retval = fwu->fn_ptr->read(fwu->rmi4_data,
fwu->f01_fd.query_base_addr + 18,
@@ -577,37 +640,45 @@
sizeof(firmware_id));
if (retval < 0) {
dev_err(&i2c_client->dev,
- "Failed to read firmware ID (code %d).\n", retval);
+ "%s: Failed to read firmware ID (code %d).\n",
+ __func__, retval);
goto exit;
}
firmware_id[3] = 0;
deviceFirmwareID = extract_uint(firmware_id);
/* .img firmware id */
- strptr = strnstr(fwu->rmi4_data->fw_image_name, "PR",
- sizeof(fwu->rmi4_data->fw_image_name));
- if (!strptr) {
+ if (header->is_contain_build_info) {
dev_err(&i2c_client->dev,
- "No valid PR number (PRxxxxxxx)" \
- "found in image file name...\n");
- goto exit;
+ "%s: Image option contains build info.\n",
+ __func__);
+ imageFirmwareID = header->firmware_id;
+ } else {
+ strptr = strnstr(fwu->firmware_name, "PR",
+ sizeof(fwu->firmware_name));
+ if (!strptr) {
+ dev_err(&i2c_client->dev,
+ "No valid PR number (PRxxxxxxx)" \
+ "found in image file name...\n");
+ goto exit;
+ }
+
+ strptr += 2;
+ while (strptr[index] >= '0' && strptr[index] <= '9') {
+ imagePR[index] = strptr[index];
+ index++;
+ }
+ imagePR[index] = 0;
+
+ retval = kstrtoul(imagePR, 10, &imageFirmwareID);
+ if (retval == -EINVAL) {
+ dev_err(&i2c_client->dev,
+ "invalid image firmware id...\n");
+ goto exit;
+ }
}
- strptr += 2;
- while (strptr[index] >= '0' && strptr[index] <= '9') {
- imagePR[index] = strptr[index];
- index++;
- }
- imagePR[index] = 0;
-
- retval = kstrtoul(imagePR, 10, &imageFirmwareID);
- if (retval == -EINVAL) {
- dev_err(&i2c_client->dev,
- "invalid image firmware id...\n");
- goto exit;
- }
-
- dev_info(&i2c_client->dev,
+ dev_dbg(&i2c_client->dev,
"Device firmware id %d, .img firmware id %d\n",
deviceFirmwareID,
(unsigned int)imageFirmwareID);
@@ -617,7 +688,8 @@
} else if (imageFirmwareID < deviceFirmwareID) {
flash_area = NONE;
dev_info(&i2c_client->dev,
- "Img fw is older than device fw. Skip fw update.\n");
+ "%s: Img fw is older than device fw. Skip fw update.\n",
+ __func__);
goto exit;
}
@@ -628,24 +700,29 @@
sizeof(config_id));
if (retval < 0) {
dev_err(&i2c_client->dev,
- "Failed to read config ID (code %d).\n", retval);
+ "%s: Failed to read config ID (code %d).\n",
+ __func__, retval);
flash_area = NONE;
goto exit;
}
- deviceConfigID = extract_uint(config_id);
+ deviceConfigID = extract_uint_be(config_id);
- dev_info(&i2c_client->dev,
+ dev_dbg(&i2c_client->dev,
"Device config ID 0x%02X, 0x%02X, 0x%02X, 0x%02X\n",
config_id[0], config_id[1], config_id[2], config_id[3]);
/* .img config id */
- dev_info(&i2c_client->dev,
+ dev_dbg(&i2c_client->dev,
".img config ID 0x%02X, 0x%02X, 0x%02X, 0x%02X\n",
fwu->config_data[0],
fwu->config_data[1],
fwu->config_data[2],
fwu->config_data[3]);
- imageConfigID = extract_uint(fwu->config_data);
+ imageConfigID = extract_uint_be(fwu->config_data);
+
+ dev_dbg(&i2c_client->dev,
+ "%s: Device config ID %d, .img config ID %d\n",
+ __func__, deviceConfigID, imageConfigID);
if (imageConfigID > deviceConfigID) {
flash_area = CONFIG_AREA;
@@ -656,10 +733,10 @@
kfree(imagePR);
if (flash_area == NONE)
dev_info(&i2c_client->dev,
- "Nothing needs to be updated\n");
+ "%s: Nothing needs to be updated\n", __func__);
else
dev_info(&i2c_client->dev,
- "Update %s block\n",
+ "%s: Update %s block\n", __func__,
flash_area == UI_FIRMWARE ? "UI FW" : "CONFIG");
return flash_area;
}
@@ -1210,7 +1287,7 @@
static int fwu_start_reflash(void)
{
- int retval;
+ int retval = 0;
struct image_header header;
const unsigned char *fw_image;
const struct firmware *fw_entry = NULL;
@@ -1229,18 +1306,30 @@
if (fwu->ext_data_source)
fw_image = fwu->ext_data_source;
else {
- dev_dbg(&fwu->rmi4_data->i2c_client->dev,
- "%s: Requesting firmware image %s\n",
- __func__, fwu->rmi4_data->fw_image_name);
+ fwu->firmware_name = kcalloc(NAME_BUFFER_SIZE,
+ sizeof(char), GFP_KERNEL);
+ if (!fwu->firmware_name) {
+ dev_err(&fwu->rmi4_data->i2c_client->dev,
+ "%s Failed to allocate firmware name (%d).\n",
+ __func__, NAME_BUFFER_SIZE);
+ retval = -ENOMEM;
+ goto memory_exit;
+ }
+
+ snprintf(fwu->firmware_name, NAME_BUFFER_SIZE, "%s",
+ fwu->rmi4_data->fw_image_name);
+ dev_info(&fwu->rmi4_data->i2c_client->dev,
+ "%s: Requesting firmware image %s\n",
+ __func__, fwu->firmware_name);
retval = request_firmware(&fw_entry,
- fwu->rmi4_data->fw_image_name,
+ fwu->firmware_name,
&fwu->rmi4_data->i2c_client->dev);
if (retval != 0) {
dev_err(&fwu->rmi4_data->i2c_client->dev,
"%s: Firmware image %s not available\n",
__func__,
- fwu->rmi4_data->fw_image_name);
+ fwu->firmware_name);
retval = -EINVAL;
goto exit;
}
@@ -1264,7 +1353,7 @@
if (fwu->ext_data_source)
flash_area = UI_FIRMWARE;
else
- flash_area = fwu_go_nogo();
+ flash_area = fwu_go_nogo(&header);
switch (flash_area) {
case NONE:
@@ -1318,6 +1407,8 @@
pr_notice("%s: End of reflash process\n", __func__);
exit:
+ kfree(fwu->firmware_name);
+memory_exit:
return retval;
}
diff --git a/drivers/input/touchscreen/synaptics_i2c_rmi4.h b/drivers/input/touchscreen/synaptics_i2c_rmi4.h
index 16b1f8f..681822a 100644
--- a/drivers/input/touchscreen/synaptics_i2c_rmi4.h
+++ b/drivers/input/touchscreen/synaptics_i2c_rmi4.h
@@ -24,7 +24,7 @@
#define SYNAPTICS_DS4 (1 << 0)
#define SYNAPTICS_DS5 (1 << 1)
#define SYNAPTICS_DSX_DRIVER_PRODUCT SYNAPTICS_DS4
-#define SYNAPTICS_DSX_DRIVER_VERSION 0x1004
+#define SYNAPTICS_DSX_DRIVER_VERSION 0x1005
#include <linux/version.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
diff --git a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
index 962c079..a95eda7 100644
--- a/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
+++ b/drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
@@ -94,7 +94,8 @@
for (i = 0; i < ispif->vfe_info.num_vfe; i++) {
- msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_CTRL_0(i));
+ msm_camera_io_w(1 << PIX0_LINE_BUF_EN_BIT,
+ ispif->base + ISPIF_VFE_m_CTRL_0(i));
msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_0(i));
msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_1(i));
msm_camera_io_w(0, ispif->base + ISPIF_VFE_m_IRQ_MASK_2(i));
diff --git a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_flash.h b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_flash.h
index 76aa695..ac697fb 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_flash.h
+++ b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_flash.h
@@ -40,7 +40,7 @@
struct msm_flash_fn_t *func_tbl;
const char *led_trigger_name[MAX_LED_TRIGGERS];
struct led_trigger *led_trigger[MAX_LED_TRIGGERS];
- uint32_t max_current[MAX_LED_TRIGGERS];
+ uint32_t op_current[MAX_LED_TRIGGERS];
void *data;
};
diff --git a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_trigger.c b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_trigger.c
index 1a75a5a..c6f1f72 100644
--- a/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_trigger.c
+++ b/drivers/media/platform/msm/camera_v2/sensor/flash/msm_led_trigger.c
@@ -59,11 +59,11 @@
case MSM_CAMERA_LED_LOW:
led_trigger_event(fctrl->led_trigger[0],
- fctrl->max_current[0] / 2);
+ fctrl->op_current[0] / 2);
break;
case MSM_CAMERA_LED_HIGH:
- led_trigger_event(fctrl->led_trigger[0], fctrl->max_current[0]);
+ led_trigger_event(fctrl->led_trigger[0], fctrl->op_current[0]);
break;
case MSM_CAMERA_LED_INIT:
@@ -144,7 +144,7 @@
CDBG("default trigger %s\n", fctrl.led_trigger_name[i]);
rc = of_property_read_u32(flash_src_node,
- "qcom,max-current", &fctrl.max_current[i]);
+ "qcom,current", &fctrl.op_current[i]);
if (rc < 0) {
pr_err("failed rc %d\n", rc);
of_node_put(flash_src_node);
@@ -153,7 +153,7 @@
of_node_put(flash_src_node);
- CDBG("max_current[%d] %d\n", i, fctrl.max_current[i]);
+ CDBG("max_current[%d] %d\n", i, fctrl.op_current[i]);
led_trigger_register_simple(fctrl.led_trigger_name[i],
&fctrl.led_trigger[i]);
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_common.c b/drivers/media/platform/msm/vidc/msm_vidc_common.c
index feb239e..eb5a03c 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_common.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc_common.c
@@ -729,6 +729,8 @@
vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
if (fill_buf_done->flags1 & HAL_BUFFERFLAG_EOSEQ)
vb->v4l2_buf.flags |= V4L2_QCOM_BUF_FLAG_EOSEQ;
+ if (fill_buf_done->flags1 & HAL_BUFFERFLAG_DECODEONLY)
+ vb->v4l2_buf.flags |= V4L2_QCOM_BUF_FLAG_DECODEONLY;
switch (fill_buf_done->picture_type) {
case HAL_PICTURE_IDR:
case HAL_PICTURE_I:
diff --git a/drivers/media/radio/radio-iris.c b/drivers/media/radio/radio-iris.c
index 153552d..d673713 100644
--- a/drivers/media/radio/radio-iris.c
+++ b/drivers/media/radio/radio-iris.c
@@ -3790,6 +3790,27 @@
if (retval < 0)
FMDERR("set CF0 Threshold failed\n");
break;
+ case V4L2_CID_PRIVATE_RXREPEATCOUNT:
+ rd.mode = RDS_PS0_XFR_MODE;
+ rd.length = RDS_PS0_LEN;
+ rd.param_len = 0;
+ rd.param = 0;
+
+ retval = hci_def_data_read(&rd, radio->fm_hdev);
+ if (retval < 0) {
+ FMDERR("default data read failed for PS0 %x", retval);
+ return retval;
+ }
+ wrd.mode = RDS_PS0_XFR_MODE;
+ wrd.length = RDS_PS0_LEN;
+ memcpy(&wrd.data, &radio->default_data.data,
+ radio->default_data.ret_data_len);
+ wrd.data[RX_REPEATE_BYTE_OFFSET] = ctrl->value;
+
+ retval = hci_def_data_write(&wrd, radio->fm_hdev);
+ if (retval < 0)
+ FMDERR("set RxRePeat count failed\n");
+ break;
default:
retval = -EINVAL;
}
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 2573a16..a7932ba 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -51,10 +51,6 @@
To compile this driver as a module, choose M here: the
module will be called ad525x_dpot-spi.
-config ANDROID_PMEM
- bool "Android pmem allocator"
- default y
-
config ATMEL_PWM
tristate "Atmel AT32/AT91 PWM support"
depends on HAVE_CLK
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 327d1ec..760f768 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -19,7 +19,6 @@
obj-$(CONFIG_SENSORS_BH1780) += bh1780gli.o
obj-$(CONFIG_SENSORS_BH1770) += bh1770glc.o
obj-$(CONFIG_SENSORS_APDS990X) += apds990x.o
-obj-$(CONFIG_ANDROID_PMEM) += pmem.o
obj-$(CONFIG_SGI_IOC4) += ioc4.o
obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o
obj-$(CONFIG_KGDB_TESTS) += kgdbts.o
diff --git a/drivers/misc/pmem.c b/drivers/misc/pmem.c
deleted file mode 100644
index e91db7a..0000000
--- a/drivers/misc/pmem.c
+++ /dev/null
@@ -1,2961 +0,0 @@
-/* drivers/android/pmem.c
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/export.h>
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/fmem.h>
-#include <linux/mm.h>
-#include <linux/list.h>
-#include <linux/debugfs.h>
-#include <linux/android_pmem.h>
-#include <linux/mempolicy.h>
-#include <linux/sched.h>
-#include <linux/kobject.h>
-#include <linux/pm_runtime.h>
-#include <linux/memory_alloc.h>
-#include <linux/vmalloc.h>
-#include <linux/io.h>
-#include <linux/mm_types.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/cacheflush.h>
-#include <asm/sizes.h>
-#include <asm/mach/map.h>
-#include <asm/page.h>
-
-#define PMEM_MAX_DEVICES (10)
-
-#define PMEM_MAX_ORDER (128)
-#define PMEM_MIN_ALLOC PAGE_SIZE
-
-#define PMEM_INITIAL_NUM_BITMAP_ALLOCATIONS (64)
-
-#define PMEM_32BIT_WORD_ORDER (5)
-#define PMEM_BITS_PER_WORD_MASK (BITS_PER_LONG - 1)
-
-#ifdef CONFIG_ANDROID_PMEM_DEBUG
-#define PMEM_DEBUG 1
-#else
-#define PMEM_DEBUG 0
-#endif
-
-#define SYSTEM_ALLOC_RETRY 10
-
-/* indicates that a refernce to this file has been taken via get_pmem_file,
- * the file should not be released until put_pmem_file is called */
-#define PMEM_FLAGS_BUSY 0x1
-/* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
-/* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
-/* submap and unsubmap flags indicate:
- * 00: subregion has never been mmaped
- * 10: subregion has been mmaped, reference to the mm was taken
- * 11: subretion has ben released, refernece to the mm still held
- * 01: subretion has been released, reference to the mm has been released
- */
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
-
-struct pmem_data {
- /* in alloc mode: an index into the bitmap
- * in no_alloc mode: the size of the allocation */
- int index;
- /* see flags above for descriptions */
- unsigned int flags;
- /* protects this data field, if the mm_mmap sem will be held at the
- * same time as this sem, the mm sem must be taken first (as this is
- * the order for vma_open and vma_close ops */
- struct rw_semaphore sem;
- /* info about the mmaping process */
- struct vm_area_struct *vma;
- /* task struct of the mapping process */
- struct task_struct *task;
- /* process id of teh mapping process */
- pid_t pid;
- /* file descriptor of the master */
- int master_fd;
- /* file struct of the master */
- struct file *master_file;
- /* a list of currently available regions if this is a suballocation */
- struct list_head region_list;
- /* a linked list of data so we can access them for debugging */
- struct list_head list;
-#if PMEM_DEBUG
- int ref;
-#endif
-};
-
-struct pmem_bits {
- unsigned allocated:1; /* 1 if allocated, 0 if free */
- unsigned order:7; /* size of the region in pmem space */
-};
-
-struct pmem_region_node {
- struct pmem_region region;
- struct list_head list;
-};
-
-#define PMEM_DEBUG_MSGS 0
-#if PMEM_DEBUG_MSGS
-#define DLOG(fmt,args...) \
- do { pr_debug("[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
- ##args); } \
- while (0)
-#else
-#define DLOG(x...) do {} while (0)
-#endif
-
-enum pmem_align {
- PMEM_ALIGN_4K,
- PMEM_ALIGN_1M,
-};
-
-#define PMEM_NAME_SIZE 16
-
-struct alloc_list {
- void *addr; /* physical addr of allocation */
- void *aaddr; /* aligned physical addr */
- unsigned int size; /* total size of allocation */
- unsigned char __iomem *vaddr; /* Virtual addr */
- struct list_head allocs;
-};
-
-struct pmem_info {
- struct miscdevice dev;
- /* physical start address of the remaped pmem space */
- unsigned long base;
- /* vitual start address of the remaped pmem space */
- unsigned char __iomem *vbase;
- /* total size of the pmem space */
- unsigned long size;
- /* number of entries in the pmem space */
- unsigned long num_entries;
- /* pfn of the garbage page in memory */
- unsigned long garbage_pfn;
- /* which memory type (i.e. SMI, EBI1) this PMEM device is backed by */
- unsigned memory_type;
-
- char name[PMEM_NAME_SIZE];
-
- /* index of the garbage page in the pmem space */
- int garbage_index;
- /* reserved virtual address range */
- struct vm_struct *area;
-
- enum pmem_allocator_type allocator_type;
-
- int (*allocate)(const int,
- const unsigned long,
- const unsigned int);
- int (*free)(int, int);
- int (*free_space)(int, struct pmem_freespace *);
- unsigned long (*len)(int, struct pmem_data *);
- unsigned long (*start_addr)(int, struct pmem_data *);
-
- /* actual size of memory element, e.g.: (4 << 10) is 4K */
- unsigned int quantum;
-
- /* indicates maps of this region should be cached, if a mix of
- * cached and uncached is desired, set this and open the device with
- * O_SYNC to get an uncached region */
- unsigned cached;
- unsigned buffered;
- union {
- struct {
- /* in all_or_nothing allocator mode the first mapper
- * gets the whole space and sets this flag */
- unsigned allocated;
- } all_or_nothing;
-
- struct {
- /* the buddy allocator bitmap for the region
- * indicating which entries are allocated and which
- * are free.
- */
-
- struct pmem_bits *buddy_bitmap;
- } buddy_bestfit;
-
- struct {
- unsigned int bitmap_free; /* # of zero bits/quanta */
- uint32_t *bitmap;
- int32_t bitmap_allocs;
- struct {
- short bit;
- unsigned short quanta;
- } *bitm_alloc;
- } bitmap;
-
- struct {
- unsigned long used; /* Bytes currently allocated */
- struct list_head alist; /* List of allocations */
- } system_mem;
- } allocator;
-
- int id;
- struct kobject kobj;
-
- /* for debugging, creates a list of pmem file structs, the
- * data_list_mutex should be taken before pmem_data->sem if both are
- * needed */
- struct mutex data_list_mutex;
- struct list_head data_list;
- /* arena_mutex protects the global allocation arena
- *
- * IF YOU TAKE BOTH LOCKS TAKE THEM IN THIS ORDER:
- * down(pmem_data->sem) => mutex_lock(arena_mutex)
- */
- struct mutex arena_mutex;
-
- long (*ioctl)(struct file *, unsigned int, unsigned long);
- int (*release)(struct inode *, struct file *);
- /* reference count of allocations */
- atomic_t allocation_cnt;
- /*
- * request function for a region when the allocation count goes
- * from 0 -> 1
- */
- int (*mem_request)(void *);
- /*
- * release function for a region when the allocation count goes
- * from 1 -> 0
- */
- int (*mem_release)(void *);
- /*
- * private data for the request/release callback
- */
- void *region_data;
- /*
- * map and unmap as needed
- */
- int map_on_demand;
- /*
- * memory will be reused through fmem
- */
- int reusable;
-};
-#define to_pmem_info_id(a) (container_of(a, struct pmem_info, kobj)->id)
-
-static void ioremap_pmem(int id);
-static void pmem_put_region(int id);
-static int pmem_get_region(int id);
-
-static struct pmem_info pmem[PMEM_MAX_DEVICES];
-static int id_count;
-
-#define PMEM_SYSFS_DIR_NAME "pmem_regions" /* under /sys/kernel/ */
-static struct kset *pmem_kset;
-
-#define PMEM_IS_FREE_BUDDY(id, index) \
- (!(pmem[id].allocator.buddy_bestfit.buddy_bitmap[index].allocated))
-#define PMEM_BUDDY_ORDER(id, index) \
- (pmem[id].allocator.buddy_bestfit.buddy_bitmap[index].order)
-#define PMEM_BUDDY_INDEX(id, index) \
- (index ^ (1 << PMEM_BUDDY_ORDER(id, index)))
-#define PMEM_BUDDY_NEXT_INDEX(id, index) \
- (index + (1 << PMEM_BUDDY_ORDER(id, index)))
-#define PMEM_OFFSET(index) (index * pmem[id].quantum)
-#define PMEM_START_ADDR(id, index) \
- (PMEM_OFFSET(index) + pmem[id].base)
-#define PMEM_BUDDY_LEN(id, index) \
- ((1 << PMEM_BUDDY_ORDER(id, index)) * pmem[id].quantum)
-#define PMEM_END_ADDR(id, index) \
- (PMEM_START_ADDR(id, index) + PMEM_LEN(id, index))
-#define PMEM_START_VADDR(id, index) \
- (PMEM_OFFSET(id, index) + pmem[id].vbase)
-#define PMEM_END_VADDR(id, index) \
- (PMEM_START_VADDR(id, index) + PMEM_LEN(id, index))
-#define PMEM_REVOKED(data) (data->flags & PMEM_FLAGS_REVOKED)
-#define PMEM_IS_PAGE_ALIGNED(addr) (!((addr) & (~PAGE_MASK)))
-#define PMEM_IS_SUBMAP(data) \
- ((data->flags & PMEM_FLAGS_SUBMAP) && \
- (!(data->flags & PMEM_FLAGS_UNSUBMAP)))
-
-static int pmem_release(struct inode *, struct file *);
-static int pmem_mmap(struct file *, struct vm_area_struct *);
-static int pmem_open(struct inode *, struct file *);
-static long pmem_ioctl(struct file *, unsigned int, unsigned long);
-
-struct file_operations pmem_fops = {
- .release = pmem_release,
- .mmap = pmem_mmap,
- .open = pmem_open,
- .unlocked_ioctl = pmem_ioctl,
-};
-
-#define PMEM_ATTR(_name, _mode, _show, _store) { \
- .attr = {.name = __stringify(_name), .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-}
-
-struct pmem_attr {
- struct attribute attr;
- ssize_t(*show) (const int id, char * const);
- ssize_t(*store) (const int id, const char * const, const size_t count);
-};
-#define to_pmem_attr(a) container_of(a, struct pmem_attr, attr)
-
-#define RW_PMEM_ATTR(name) \
-static struct pmem_attr pmem_attr_## name = \
- PMEM_ATTR(name, S_IRUGO | S_IWUSR, show_pmem_## name, store_pmem_## name)
-
-#define RO_PMEM_ATTR(name) \
-static struct pmem_attr pmem_attr_## name = \
- PMEM_ATTR(name, S_IRUGO, show_pmem_## name, NULL)
-
-#define WO_PMEM_ATTR(name) \
-static struct pmem_attr pmem_attr_## name = \
- PMEM_ATTR(name, S_IWUSR, NULL, store_pmem_## name)
-
-static ssize_t show_pmem(struct kobject *kobj,
- struct attribute *attr,
- char *buf)
-{
- struct pmem_attr *a = to_pmem_attr(attr);
- return a->show ? a->show(to_pmem_info_id(kobj), buf) : -EIO;
-}
-
-static ssize_t store_pmem(struct kobject *kobj, struct attribute *attr,
- const char *buf, size_t count)
-{
- struct pmem_attr *a = to_pmem_attr(attr);
- return a->store ? a->store(to_pmem_info_id(kobj), buf, count) : -EIO;
-}
-
-static struct sysfs_ops pmem_ops = {
- .show = show_pmem,
- .store = store_pmem,
-};
-
-static ssize_t show_pmem_base(int id, char *buf)
-{
- return scnprintf(buf, PAGE_SIZE, "%lu(%#lx)\n",
- pmem[id].base, pmem[id].base);
-}
-RO_PMEM_ATTR(base);
-
-static ssize_t show_pmem_size(int id, char *buf)
-{
- return scnprintf(buf, PAGE_SIZE, "%lu(%#lx)\n",
- pmem[id].size, pmem[id].size);
-}
-RO_PMEM_ATTR(size);
-
-static ssize_t show_pmem_allocator_type(int id, char *buf)
-{
- switch (pmem[id].allocator_type) {
- case PMEM_ALLOCATORTYPE_ALLORNOTHING:
- return scnprintf(buf, PAGE_SIZE, "%s\n", "All or Nothing");
- case PMEM_ALLOCATORTYPE_BUDDYBESTFIT:
- return scnprintf(buf, PAGE_SIZE, "%s\n", "Buddy Bestfit");
- case PMEM_ALLOCATORTYPE_BITMAP:
- return scnprintf(buf, PAGE_SIZE, "%s\n", "Bitmap");
- case PMEM_ALLOCATORTYPE_SYSTEM:
- return scnprintf(buf, PAGE_SIZE, "%s\n", "System heap");
- default:
- return scnprintf(buf, PAGE_SIZE,
- "??? Invalid allocator type (%d) for this region! "
- "Something isn't right.\n",
- pmem[id].allocator_type);
- }
-}
-RO_PMEM_ATTR(allocator_type);
-
-static ssize_t show_pmem_mapped_regions(int id, char *buf)
-{
- struct list_head *elt;
- int ret;
-
- ret = scnprintf(buf, PAGE_SIZE,
- "pid #: mapped regions (offset, len) (offset,len)...\n");
-
- mutex_lock(&pmem[id].data_list_mutex);
- list_for_each(elt, &pmem[id].data_list) {
- struct pmem_data *data =
- list_entry(elt, struct pmem_data, list);
- struct list_head *elt2;
-
- down_read(&data->sem);
- ret += scnprintf(buf + ret, PAGE_SIZE - ret, "pid %u:",
- data->pid);
- list_for_each(elt2, &data->region_list) {
- struct pmem_region_node *region_node = list_entry(elt2,
- struct pmem_region_node,
- list);
- ret += scnprintf(buf + ret, PAGE_SIZE - ret,
- "(%lx,%lx) ",
- region_node->region.offset,
- region_node->region.len);
- }
- up_read(&data->sem);
- ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n");
- }
- mutex_unlock(&pmem[id].data_list_mutex);
- return ret;
-}
-RO_PMEM_ATTR(mapped_regions);
-
-#define PMEM_COMMON_SYSFS_ATTRS \
- &pmem_attr_base.attr, \
- &pmem_attr_size.attr, \
- &pmem_attr_allocator_type.attr, \
- &pmem_attr_mapped_regions.attr
-
-
-static ssize_t show_pmem_allocated(int id, char *buf)
-{
- ssize_t ret;
-
- mutex_lock(&pmem[id].arena_mutex);
- ret = scnprintf(buf, PAGE_SIZE, "%s\n",
- pmem[id].allocator.all_or_nothing.allocated ?
- "is allocated" : "is NOT allocated");
- mutex_unlock(&pmem[id].arena_mutex);
- return ret;
-}
-RO_PMEM_ATTR(allocated);
-
-static struct attribute *pmem_allornothing_attrs[] = {
- PMEM_COMMON_SYSFS_ATTRS,
-
- &pmem_attr_allocated.attr,
-
- NULL
-};
-
-static struct kobj_type pmem_allornothing_ktype = {
- .sysfs_ops = &pmem_ops,
- .default_attrs = pmem_allornothing_attrs,
-};
-
-static ssize_t show_pmem_total_entries(int id, char *buf)
-{
- return scnprintf(buf, PAGE_SIZE, "%lu\n", pmem[id].num_entries);
-}
-RO_PMEM_ATTR(total_entries);
-
-static ssize_t show_pmem_quantum_size(int id, char *buf)
-{
- return scnprintf(buf, PAGE_SIZE, "%u (%#x)\n",
- pmem[id].quantum, pmem[id].quantum);
-}
-RO_PMEM_ATTR(quantum_size);
-
-static ssize_t show_pmem_buddy_bitmap_dump(int id, char *buf)
-{
- int ret, i;
-
- mutex_lock(&pmem[id].data_list_mutex);
- ret = scnprintf(buf, PAGE_SIZE, "index\torder\tlength\tallocated\n");
-
- for (i = 0; i < pmem[id].num_entries && (PAGE_SIZE - ret);
- i = PMEM_BUDDY_NEXT_INDEX(id, i))
- ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%d\t%d\t%d\t%d\n",
- i, PMEM_BUDDY_ORDER(id, i),
- PMEM_BUDDY_LEN(id, i),
- !PMEM_IS_FREE_BUDDY(id, i));
-
- mutex_unlock(&pmem[id].data_list_mutex);
- return ret;
-}
-RO_PMEM_ATTR(buddy_bitmap_dump);
-
-#define PMEM_BITMAP_BUDDY_BESTFIT_COMMON_SYSFS_ATTRS \
- &pmem_attr_quantum_size.attr, \
- &pmem_attr_total_entries.attr
-
-static struct attribute *pmem_buddy_bestfit_attrs[] = {
- PMEM_COMMON_SYSFS_ATTRS,
-
- PMEM_BITMAP_BUDDY_BESTFIT_COMMON_SYSFS_ATTRS,
-
- &pmem_attr_buddy_bitmap_dump.attr,
-
- NULL
-};
-
-static struct kobj_type pmem_buddy_bestfit_ktype = {
- .sysfs_ops = &pmem_ops,
- .default_attrs = pmem_buddy_bestfit_attrs,
-};
-
-static ssize_t show_pmem_free_quanta(int id, char *buf)
-{
- ssize_t ret;
-
- mutex_lock(&pmem[id].arena_mutex);
- ret = scnprintf(buf, PAGE_SIZE, "%u\n",
- pmem[id].allocator.bitmap.bitmap_free);
- mutex_unlock(&pmem[id].arena_mutex);
- return ret;
-}
-RO_PMEM_ATTR(free_quanta);
-
-static ssize_t show_pmem_bits_allocated(int id, char *buf)
-{
- ssize_t ret;
- unsigned int i;
-
- mutex_lock(&pmem[id].arena_mutex);
-
- ret = scnprintf(buf, PAGE_SIZE,
- "id: %d\nbitnum\tindex\tquanta allocated\n", id);
-
- for (i = 0; i < pmem[id].allocator.bitmap.bitmap_allocs; i++)
- if (pmem[id].allocator.bitmap.bitm_alloc[i].bit != -1)
- ret += scnprintf(buf + ret, PAGE_SIZE - ret,
- "%u\t%u\t%u\n",
- i,
- pmem[id].allocator.bitmap.bitm_alloc[i].bit,
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta
- );
-
- mutex_unlock(&pmem[id].arena_mutex);
- return ret;
-}
-RO_PMEM_ATTR(bits_allocated);
-
-static struct attribute *pmem_bitmap_attrs[] = {
- PMEM_COMMON_SYSFS_ATTRS,
-
- PMEM_BITMAP_BUDDY_BESTFIT_COMMON_SYSFS_ATTRS,
-
- &pmem_attr_free_quanta.attr,
- &pmem_attr_bits_allocated.attr,
-
- NULL
-};
-
-static struct attribute *pmem_system_attrs[] = {
- PMEM_COMMON_SYSFS_ATTRS,
-
- NULL
-};
-
-static struct kobj_type pmem_bitmap_ktype = {
- .sysfs_ops = &pmem_ops,
- .default_attrs = pmem_bitmap_attrs,
-};
-
-static struct kobj_type pmem_system_ktype = {
- .sysfs_ops = &pmem_ops,
- .default_attrs = pmem_system_attrs,
-};
-
-static int pmem_allocate_from_id(const int id, const unsigned long size,
- const unsigned int align)
-{
- int ret;
- ret = pmem_get_region(id);
-
- if (ret)
- return -1;
-
- ret = pmem[id].allocate(id, size, align);
-
- if (ret < 0)
- pmem_put_region(id);
-
- return ret;
-}
-
-static int pmem_free_from_id(const int id, const int index)
-{
- pmem_put_region(id);
- return pmem[id].free(id, index);
-}
-
-static int pmem_get_region(int id)
-{
- /* Must be called with arena mutex locked */
- atomic_inc(&pmem[id].allocation_cnt);
- if (!pmem[id].vbase) {
- DLOG("PMEMDEBUG: mapping for %s", pmem[id].name);
- if (pmem[id].mem_request) {
- int ret = pmem[id].mem_request(pmem[id].region_data);
- if (ret) {
- atomic_dec(&pmem[id].allocation_cnt);
- return 1;
- }
- }
- ioremap_pmem(id);
- }
-
- if (pmem[id].vbase) {
- return 0;
- } else {
- if (pmem[id].mem_release)
- pmem[id].mem_release(pmem[id].region_data);
- atomic_dec(&pmem[id].allocation_cnt);
- return 1;
- }
-}
-
-static void pmem_put_region(int id)
-{
- /* Must be called with arena mutex locked */
- if (atomic_dec_and_test(&pmem[id].allocation_cnt)) {
- DLOG("PMEMDEBUG: unmapping for %s", pmem[id].name);
- BUG_ON(!pmem[id].vbase);
- if (pmem[id].map_on_demand) {
- /* unmap_kernel_range() flushes the caches
- * and removes the page table entries
- */
- unmap_kernel_range((unsigned long)pmem[id].vbase,
- pmem[id].size);
- pmem[id].vbase = NULL;
- if (pmem[id].mem_release) {
- int ret = pmem[id].mem_release(
- pmem[id].region_data);
- WARN(ret, "mem_release failed");
- }
-
- }
- }
-}
-
-static int get_id(struct file *file)
-{
- return MINOR(file->f_dentry->d_inode->i_rdev);
-}
-
-static char *get_name(struct file *file)
-{
- int id = get_id(file);
- return pmem[id].name;
-}
-
-static int is_pmem_file(struct file *file)
-{
- int id;
-
- if (unlikely(!file || !file->f_dentry || !file->f_dentry->d_inode))
- return 0;
-
- id = get_id(file);
- return (unlikely(id >= PMEM_MAX_DEVICES ||
- file->f_dentry->d_inode->i_rdev !=
- MKDEV(MISC_MAJOR, pmem[id].dev.minor))) ? 0 : 1;
-}
-
-static int has_allocation(struct file *file)
-{
- /* must be called with at least read lock held on
- * ((struct pmem_data *)(file->private_data))->sem which
- * means that file is guaranteed not to be NULL upon entry!!
- * check is_pmem_file first if not accessed via pmem_file_ops */
- struct pmem_data *pdata = file->private_data;
- return pdata && pdata->index != -1;
-}
-
-static int is_master_owner(struct file *file)
-{
- struct file *master_file;
- struct pmem_data *data = file->private_data;
- int put_needed, ret = 0;
-
- if (!has_allocation(file))
- return 0;
- if (PMEM_FLAGS_MASTERMAP & data->flags)
- return 1;
- master_file = fget_light(data->master_fd, &put_needed);
- if (master_file && data->master_file == master_file)
- ret = 1;
- if (master_file)
- fput_light(master_file, put_needed);
- return ret;
-}
-
-static int pmem_free_all_or_nothing(int id, int index)
-{
- /* caller should hold the lock on arena_mutex! */
- DLOG("index %d\n", index);
-
- pmem[id].allocator.all_or_nothing.allocated = 0;
- return 0;
-}
-
-static int pmem_free_space_all_or_nothing(int id,
- struct pmem_freespace *fs)
-{
- /* caller should hold the lock on arena_mutex! */
- fs->total = (unsigned long)
- pmem[id].allocator.all_or_nothing.allocated == 0 ?
- pmem[id].size : 0;
-
- fs->largest = fs->total;
- return 0;
-}
-
-
-static int pmem_free_buddy_bestfit(int id, int index)
-{
- /* caller should hold the lock on arena_mutex! */
- int curr = index;
- DLOG("index %d\n", index);
-
-
- /* clean up the bitmap, merging any buddies */
- pmem[id].allocator.buddy_bestfit.buddy_bitmap[curr].allocated = 0;
- /* find a slots buddy Buddy# = Slot# ^ (1 << order)
- * if the buddy is also free merge them
- * repeat until the buddy is not free or end of the bitmap is reached
- */
- do {
- int buddy = PMEM_BUDDY_INDEX(id, curr);
- if (buddy < pmem[id].num_entries &&
- PMEM_IS_FREE_BUDDY(id, buddy) &&
- PMEM_BUDDY_ORDER(id, buddy) ==
- PMEM_BUDDY_ORDER(id, curr)) {
- PMEM_BUDDY_ORDER(id, buddy)++;
- PMEM_BUDDY_ORDER(id, curr)++;
- curr = min(buddy, curr);
- } else {
- break;
- }
- } while (curr < pmem[id].num_entries);
-
- return 0;
-}
-
-
-static int pmem_free_space_buddy_bestfit(int id,
- struct pmem_freespace *fs)
-{
- /* caller should hold the lock on arena_mutex! */
- int curr;
- unsigned long size;
- fs->total = 0;
- fs->largest = 0;
-
- for (curr = 0; curr < pmem[id].num_entries;
- curr = PMEM_BUDDY_NEXT_INDEX(id, curr)) {
- if (PMEM_IS_FREE_BUDDY(id, curr)) {
- size = PMEM_BUDDY_LEN(id, curr);
- if (size > fs->largest)
- fs->largest = size;
- fs->total += size;
- }
- }
- return 0;
-}
-
-
-static inline uint32_t start_mask(int bit_start)
-{
- return (uint32_t)(~0) << (bit_start & PMEM_BITS_PER_WORD_MASK);
-}
-
-static inline uint32_t end_mask(int bit_end)
-{
- return (uint32_t)(~0) >>
- ((BITS_PER_LONG - bit_end) & PMEM_BITS_PER_WORD_MASK);
-}
-
-static inline int compute_total_words(int bit_end, int word_index)
-{
- return ((bit_end + BITS_PER_LONG - 1) >>
- PMEM_32BIT_WORD_ORDER) - word_index;
-}
-
-static void bitmap_bits_clear_all(uint32_t *bitp, int bit_start, int bit_end)
-{
- int word_index = bit_start >> PMEM_32BIT_WORD_ORDER, total_words;
-
- total_words = compute_total_words(bit_end, word_index);
- if (total_words > 0) {
- if (total_words == 1) {
- bitp[word_index] &=
- ~(start_mask(bit_start) & end_mask(bit_end));
- } else {
- bitp[word_index++] &= ~start_mask(bit_start);
- if (total_words > 2) {
- int total_bytes;
-
- total_words -= 2;
- total_bytes = total_words << 2;
-
- memset(&bitp[word_index], 0, total_bytes);
- word_index += total_words;
- }
- bitp[word_index] &= ~end_mask(bit_end);
- }
- }
-}
-
-static int pmem_free_bitmap(int id, int bitnum)
-{
- /* caller should hold the lock on arena_mutex! */
- int i;
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-
- DLOG("bitnum %d\n", bitnum);
-
- for (i = 0; i < pmem[id].allocator.bitmap.bitmap_allocs; i++) {
- const int curr_bit =
- pmem[id].allocator.bitmap.bitm_alloc[i].bit;
-
- if (curr_bit == bitnum) {
- const int curr_quanta =
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta;
-
- bitmap_bits_clear_all(pmem[id].allocator.bitmap.bitmap,
- curr_bit, curr_bit + curr_quanta);
- pmem[id].allocator.bitmap.bitmap_free += curr_quanta;
- pmem[id].allocator.bitmap.bitm_alloc[i].bit = -1;
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta = 0;
- return 0;
- }
- }
- printk(KERN_ALERT "pmem: %s: Attempt to free unallocated index %d, id"
- " %d, pid %d(%s)\n", __func__, bitnum, id, current->pid,
- get_task_comm(currtask_name, current));
-
- return -1;
-}
-
-static int pmem_free_system(int id, int index)
-{
- /* caller should hold the lock on arena_mutex! */
- struct alloc_list *item;
-
- DLOG("index %d\n", index);
- if (index != 0)
- item = (struct alloc_list *)index;
- else
- return 0;
-
- if (item->vaddr != NULL) {
- iounmap(item->vaddr);
- kfree(__va(item->addr));
- list_del(&item->allocs);
- kfree(item);
- }
-
- return 0;
-}
-
-static int pmem_free_space_bitmap(int id, struct pmem_freespace *fs)
-{
- int i, j;
- int max_allocs = pmem[id].allocator.bitmap.bitmap_allocs;
- int alloc_start = 0;
- int next_alloc;
- unsigned long size = 0;
-
- fs->total = 0;
- fs->largest = 0;
-
- for (i = 0; i < max_allocs; i++) {
-
- int alloc_quanta = 0;
- int alloc_idx = 0;
- next_alloc = pmem[id].num_entries;
-
- /* Look for the lowest bit where next allocation starts */
- for (j = 0; j < max_allocs; j++) {
- const int curr_alloc = pmem[id].allocator.
- bitmap.bitm_alloc[j].bit;
- if (curr_alloc != -1) {
- if (alloc_start == curr_alloc)
- alloc_idx = j;
- if (alloc_start >= curr_alloc)
- continue;
- if (curr_alloc < next_alloc)
- next_alloc = curr_alloc;
- }
- }
- alloc_quanta = pmem[id].allocator.bitmap.
- bitm_alloc[alloc_idx].quanta;
- size = (next_alloc - (alloc_start + alloc_quanta)) *
- pmem[id].quantum;
-
- if (size > fs->largest)
- fs->largest = size;
- fs->total += size;
-
- if (next_alloc == pmem[id].num_entries)
- break;
- else
- alloc_start = next_alloc;
- }
-
- return 0;
-}
-
-static int pmem_free_space_system(int id, struct pmem_freespace *fs)
-{
- fs->total = pmem[id].size;
- fs->largest = pmem[id].size;
-
- return 0;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data);
-
-static int pmem_release(struct inode *inode, struct file *file)
-{
- struct pmem_data *data = file->private_data;
- struct pmem_region_node *region_node;
- struct list_head *elt, *elt2;
- int id = get_id(file), ret = 0;
-
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("releasing memory pid %u(%s) file %p(%ld) dev %s(id: %d)\n",
- current->pid, get_task_comm(currtask_name, current),
- file, file_count(file), get_name(file), id);
- mutex_lock(&pmem[id].data_list_mutex);
- /* if this file is a master, revoke all the memory in the connected
- * files */
- if (PMEM_FLAGS_MASTERMAP & data->flags) {
- list_for_each(elt, &pmem[id].data_list) {
- struct pmem_data *sub_data =
- list_entry(elt, struct pmem_data, list);
- int is_master;
-
- down_read(&sub_data->sem);
- is_master = (PMEM_IS_SUBMAP(sub_data) &&
- file == sub_data->master_file);
- up_read(&sub_data->sem);
-
- if (is_master)
- pmem_revoke(file, sub_data);
- }
- }
- list_del(&data->list);
- mutex_unlock(&pmem[id].data_list_mutex);
-
- down_write(&data->sem);
-
- /* if it is not a connected file and it has an allocation, free it */
- if (!(PMEM_FLAGS_CONNECTED & data->flags) && has_allocation(file)) {
- mutex_lock(&pmem[id].arena_mutex);
- ret = pmem_free_from_id(id, data->index);
- mutex_unlock(&pmem[id].arena_mutex);
- }
-
- /* if this file is a submap (mapped, connected file), downref the
- * task struct */
- if (PMEM_FLAGS_SUBMAP & data->flags)
- if (data->task) {
- put_task_struct(data->task);
- data->task = NULL;
- }
-
- file->private_data = NULL;
-
- list_for_each_safe(elt, elt2, &data->region_list) {
- region_node = list_entry(elt, struct pmem_region_node, list);
- list_del(elt);
- kfree(region_node);
- }
- BUG_ON(!list_empty(&data->region_list));
-
- up_write(&data->sem);
- kfree(data);
- if (pmem[id].release)
- ret = pmem[id].release(inode, file);
-
- return ret;
-}
-
-static int pmem_open(struct inode *inode, struct file *file)
-{
- struct pmem_data *data;
- int id = get_id(file);
- int ret = 0;
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
-
- DLOG("pid %u(%s) file %p(%ld) dev %s(id: %d)\n",
- current->pid, get_task_comm(currtask_name, current),
- file, file_count(file), get_name(file), id);
- data = kmalloc(sizeof(struct pmem_data), GFP_KERNEL);
- if (!data) {
- printk(KERN_ALERT "pmem: %s: unable to allocate memory for "
- "pmem metadata.", __func__);
- return -1;
- }
- data->flags = 0;
- data->index = -1;
- data->task = NULL;
- data->vma = NULL;
- data->pid = 0;
- data->master_file = NULL;
-#if PMEM_DEBUG
- data->ref = 0;
-#endif
- INIT_LIST_HEAD(&data->region_list);
- init_rwsem(&data->sem);
-
- file->private_data = data;
- INIT_LIST_HEAD(&data->list);
-
- mutex_lock(&pmem[id].data_list_mutex);
- list_add(&data->list, &pmem[id].data_list);
- mutex_unlock(&pmem[id].data_list_mutex);
- return ret;
-}
-
-static unsigned long pmem_order(unsigned long len, int id)
-{
- int i;
-
- len = (len + pmem[id].quantum - 1)/pmem[id].quantum;
- len--;
- for (i = 0; i < sizeof(len)*8; i++)
- if (len >> i == 0)
- break;
- return i;
-}
-
-static int pmem_allocator_all_or_nothing(const int id,
- const unsigned long len,
- const unsigned int align)
-{
- /* caller should hold the lock on arena_mutex! */
- DLOG("all or nothing\n");
- if ((len > pmem[id].size) ||
- pmem[id].allocator.all_or_nothing.allocated)
- return -1;
- pmem[id].allocator.all_or_nothing.allocated = 1;
- return len;
-}
-
-static int pmem_allocator_buddy_bestfit(const int id,
- const unsigned long len,
- unsigned int align)
-{
- /* caller should hold the lock on arena_mutex! */
- int curr;
- int best_fit = -1;
- unsigned long order;
-
- DLOG("buddy bestfit\n");
- order = pmem_order(len, id);
- if (order > PMEM_MAX_ORDER)
- goto out;
-
- DLOG("order %lx\n", order);
-
- /* Look through the bitmap.
- * If a free slot of the correct order is found, use it.
- * Otherwise, use the best fit (smallest with size > order) slot.
- */
- for (curr = 0;
- curr < pmem[id].num_entries;
- curr = PMEM_BUDDY_NEXT_INDEX(id, curr))
- if (PMEM_IS_FREE_BUDDY(id, curr)) {
- if (PMEM_BUDDY_ORDER(id, curr) ==
- (unsigned char)order) {
- /* set the not free bit and clear others */
- best_fit = curr;
- break;
- }
- if (PMEM_BUDDY_ORDER(id, curr) >
- (unsigned char)order &&
- (best_fit < 0 ||
- PMEM_BUDDY_ORDER(id, curr) <
- PMEM_BUDDY_ORDER(id, best_fit)))
- best_fit = curr;
- }
-
- /* if best_fit < 0, there are no suitable slots; return an error */
- if (best_fit < 0) {
-#if PMEM_DEBUG
- printk(KERN_ALERT "pmem: %s: no space left to allocate!\n",
- __func__);
-#endif
- goto out;
- }
-
- /* now partition the best fit:
- * split the slot into 2 buddies of order - 1
- * repeat until the slot is of the correct order
- */
- while (PMEM_BUDDY_ORDER(id, best_fit) > (unsigned char)order) {
- int buddy;
- PMEM_BUDDY_ORDER(id, best_fit) -= 1;
- buddy = PMEM_BUDDY_INDEX(id, best_fit);
- PMEM_BUDDY_ORDER(id, buddy) = PMEM_BUDDY_ORDER(id, best_fit);
- }
- pmem[id].allocator.buddy_bestfit.buddy_bitmap[best_fit].allocated = 1;
-out:
- return best_fit;
-}
-
-
-static inline unsigned long paddr_from_bit(const int id, const int bitnum)
-{
- return pmem[id].base + pmem[id].quantum * bitnum;
-}
-
-static inline unsigned long bit_from_paddr(const int id,
- const unsigned long paddr)
-{
- return (paddr - pmem[id].base) / pmem[id].quantum;
-}
-
-static void bitmap_bits_set_all(uint32_t *bitp, int bit_start, int bit_end)
-{
- int word_index = bit_start >> PMEM_32BIT_WORD_ORDER, total_words;
-
- total_words = compute_total_words(bit_end, word_index);
- if (total_words > 0) {
- if (total_words == 1) {
- bitp[word_index] |=
- (start_mask(bit_start) & end_mask(bit_end));
- } else {
- bitp[word_index++] |= start_mask(bit_start);
- if (total_words > 2) {
- int total_bytes;
-
- total_words -= 2;
- total_bytes = total_words << 2;
-
- memset(&bitp[word_index], ~0, total_bytes);
- word_index += total_words;
- }
- bitp[word_index] |= end_mask(bit_end);
- }
- }
-}
-
-static int
-bitmap_allocate_contiguous(uint32_t *bitp, int num_bits_to_alloc,
- int total_bits, int spacing, int start_bit)
-{
- int bit_start, last_bit, word_index;
-
- if (num_bits_to_alloc <= 0)
- return -1;
-
- for (bit_start = start_bit; ;
- bit_start = ((last_bit +
- (word_index << PMEM_32BIT_WORD_ORDER) + spacing - 1)
- & ~(spacing - 1)) + start_bit) {
- int bit_end = bit_start + num_bits_to_alloc, total_words;
-
- if (bit_end > total_bits)
- return -1; /* out of contiguous memory */
-
- word_index = bit_start >> PMEM_32BIT_WORD_ORDER;
- total_words = compute_total_words(bit_end, word_index);
-
- if (total_words <= 0)
- return -1;
-
- if (total_words == 1) {
- last_bit = fls(bitp[word_index] &
- (start_mask(bit_start) &
- end_mask(bit_end)));
- if (last_bit)
- continue;
- } else {
- int end_word = word_index + (total_words - 1);
- last_bit =
- fls(bitp[word_index] & start_mask(bit_start));
- if (last_bit)
- continue;
-
- for (word_index++;
- word_index < end_word;
- word_index++) {
- last_bit = fls(bitp[word_index]);
- if (last_bit)
- break;
- }
- if (last_bit)
- continue;
-
- last_bit = fls(bitp[word_index] & end_mask(bit_end));
- if (last_bit)
- continue;
- }
- bitmap_bits_set_all(bitp, bit_start, bit_end);
- return bit_start;
- }
- return -1;
-}
-
-static int reserve_quanta(const unsigned int quanta_needed,
- const int id,
- unsigned int align)
-{
- /* alignment should be a valid power of 2 */
- int ret = -1, start_bit = 0, spacing = 1;
-
- /* Sanity check */
- if (quanta_needed > pmem[id].allocator.bitmap.bitmap_free) {
-#if PMEM_DEBUG
- printk(KERN_ALERT "pmem: %s: request (%d) too big for"
- " available free (%d)\n", __func__, quanta_needed,
- pmem[id].allocator.bitmap.bitmap_free);
-#endif
- return -1;
- }
-
- start_bit = bit_from_paddr(id,
- (pmem[id].base + align - 1) & ~(align - 1));
- if (start_bit <= -1) {
-#if PMEM_DEBUG
- printk(KERN_ALERT
- "pmem: %s: bit_from_paddr fails for"
- " %u alignment.\n", __func__, align);
-#endif
- return -1;
- }
- spacing = align / pmem[id].quantum;
- spacing = spacing > 1 ? spacing : 1;
-
- ret = bitmap_allocate_contiguous(pmem[id].allocator.bitmap.bitmap,
- quanta_needed,
- (pmem[id].size + pmem[id].quantum - 1) / pmem[id].quantum,
- spacing,
- start_bit);
-
-#if PMEM_DEBUG
- if (ret < 0)
- printk(KERN_ALERT "pmem: %s: not enough contiguous bits free "
- "in bitmap! Region memory is either too fragmented or"
- " request is too large for available memory.\n",
- __func__);
-#endif
-
- return ret;
-}
-
-static int pmem_allocator_bitmap(const int id,
- const unsigned long len,
- const unsigned int align)
-{
- /* caller should hold the lock on arena_mutex! */
- int bitnum, i;
- unsigned int quanta_needed;
-
- DLOG("bitmap id %d, len %ld, align %u\n", id, len, align);
- if (!pmem[id].allocator.bitmap.bitm_alloc) {
-#if PMEM_DEBUG
- printk(KERN_ALERT "pmem: bitm_alloc not present! id: %d\n",
- id);
-#endif
- return -1;
- }
-
- quanta_needed = (len + pmem[id].quantum - 1) / pmem[id].quantum;
- DLOG("quantum size %u quanta needed %u free %u id %d\n",
- pmem[id].quantum, quanta_needed,
- pmem[id].allocator.bitmap.bitmap_free, id);
-
- if (pmem[id].allocator.bitmap.bitmap_free < quanta_needed) {
-#if PMEM_DEBUG
- printk(KERN_ALERT "pmem: memory allocation failure. "
- "PMEM memory region exhausted, id %d."
- " Unable to comply with allocation request.\n", id);
-#endif
- return -1;
- }
-
- bitnum = reserve_quanta(quanta_needed, id, align);
- if (bitnum == -1)
- goto leave;
-
- for (i = 0;
- i < pmem[id].allocator.bitmap.bitmap_allocs &&
- pmem[id].allocator.bitmap.bitm_alloc[i].bit != -1;
- i++)
- ;
-
- if (i >= pmem[id].allocator.bitmap.bitmap_allocs) {
- void *temp;
- int32_t new_bitmap_allocs =
- pmem[id].allocator.bitmap.bitmap_allocs << 1;
- int j;
-
- if (!new_bitmap_allocs) { /* failed sanity check!! */
-#if PMEM_DEBUG
- pr_alert("pmem: bitmap_allocs number"
- " wrapped around to zero! Something "
- "is VERY wrong.\n");
-#endif
- return -1;
- }
-
- if (new_bitmap_allocs > pmem[id].num_entries) {
- /* failed sanity check!! */
-#if PMEM_DEBUG
- pr_alert("pmem: required bitmap_allocs"
- " number exceeds maximum entries possible"
- " for current quanta\n");
-#endif
- return -1;
- }
-
- temp = krealloc(pmem[id].allocator.bitmap.bitm_alloc,
- new_bitmap_allocs *
- sizeof(*pmem[id].allocator.bitmap.bitm_alloc),
- GFP_KERNEL);
- if (!temp) {
-#if PMEM_DEBUG
- pr_alert("pmem: can't realloc bitmap_allocs,"
- "id %d, current num bitmap allocs %d\n",
- id, pmem[id].allocator.bitmap.bitmap_allocs);
-#endif
- return -1;
- }
- pmem[id].allocator.bitmap.bitmap_allocs = new_bitmap_allocs;
- pmem[id].allocator.bitmap.bitm_alloc = temp;
-
- for (j = i; j < new_bitmap_allocs; j++) {
- pmem[id].allocator.bitmap.bitm_alloc[j].bit = -1;
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta = 0;
- }
-
- DLOG("increased # of allocated regions to %d for id %d\n",
- pmem[id].allocator.bitmap.bitmap_allocs, id);
- }
-
- DLOG("bitnum %d, bitm_alloc index %d\n", bitnum, i);
-
- pmem[id].allocator.bitmap.bitmap_free -= quanta_needed;
- pmem[id].allocator.bitmap.bitm_alloc[i].bit = bitnum;
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta = quanta_needed;
-leave:
- return bitnum;
-}
-
-static int pmem_allocator_system(const int id,
- const unsigned long len,
- const unsigned int align)
-{
- /* caller should hold the lock on arena_mutex! */
- struct alloc_list *list;
- unsigned long aligned_len;
- int count = SYSTEM_ALLOC_RETRY;
- void *buf;
-
- DLOG("system id %d, len %ld, align %u\n", id, len, align);
-
- if ((pmem[id].allocator.system_mem.used + len) > pmem[id].size) {
- DLOG("requested size would be larger than quota\n");
- return -1;
- }
-
- /* Handle alignment */
- aligned_len = len + align;
-
- /* Attempt allocation */
- list = kmalloc(sizeof(struct alloc_list), GFP_KERNEL);
- if (list == NULL) {
- printk(KERN_ERR "pmem: failed to allocate system metadata\n");
- return -1;
- }
- list->vaddr = NULL;
-
- buf = NULL;
- while ((buf == NULL) && count--) {
- buf = kmalloc((aligned_len), GFP_KERNEL);
- if (buf == NULL) {
- DLOG("pmem: kmalloc %d temporarily failed len= %ld\n",
- count, aligned_len);
- }
- }
- if (!buf) {
- printk(KERN_CRIT "pmem: kmalloc failed for id= %d len= %ld\n",
- id, aligned_len);
- kfree(list);
- return -1;
- }
- list->size = aligned_len;
- list->addr = (void *)__pa(buf);
- list->aaddr = (void *)(((unsigned int)(list->addr) + (align - 1)) &
- ~(align - 1));
-
- if (!pmem[id].cached)
- list->vaddr = ioremap(__pa(buf), aligned_len);
- else
- list->vaddr = ioremap_cached(__pa(buf), aligned_len);
-
- INIT_LIST_HEAD(&list->allocs);
- list_add(&list->allocs, &pmem[id].allocator.system_mem.alist);
-
- return (int)list;
-}
-
-static pgprot_t pmem_phys_mem_access_prot(struct file *file, pgprot_t vma_prot)
-{
- int id = get_id(file);
-#ifdef pgprot_writecombine
- if (pmem[id].cached == 0 || file->f_flags & O_SYNC)
- /* on ARMv6 and ARMv7 this expands to Normal Noncached */
- return pgprot_writecombine(vma_prot);
-#endif
-#ifdef pgprot_ext_buffered
- else if (pmem[id].buffered)
- return pgprot_ext_buffered(vma_prot);
-#endif
- return vma_prot;
-}
-
-static unsigned long pmem_start_addr_all_or_nothing(int id,
- struct pmem_data *data)
-{
- return PMEM_START_ADDR(id, 0);
-}
-
-static unsigned long pmem_start_addr_buddy_bestfit(int id,
- struct pmem_data *data)
-{
- return PMEM_START_ADDR(id, data->index);
-}
-
-static unsigned long pmem_start_addr_bitmap(int id, struct pmem_data *data)
-{
- return data->index * pmem[id].quantum + pmem[id].base;
-}
-
-static unsigned long pmem_start_addr_system(int id, struct pmem_data *data)
-{
- return (unsigned long)(((struct alloc_list *)(data->index))->aaddr);
-}
-
-static void *pmem_start_vaddr(int id, struct pmem_data *data)
-{
- if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_SYSTEM)
- return ((struct alloc_list *)(data->index))->vaddr;
- else
- return pmem[id].start_addr(id, data) - pmem[id].base + pmem[id].vbase;
-}
-
-static unsigned long pmem_len_all_or_nothing(int id, struct pmem_data *data)
-{
- return data->index;
-}
-
-static unsigned long pmem_len_buddy_bestfit(int id, struct pmem_data *data)
-{
- return PMEM_BUDDY_LEN(id, data->index);
-}
-
-static unsigned long pmem_len_bitmap(int id, struct pmem_data *data)
-{
- int i;
- unsigned long ret = 0;
-
- mutex_lock(&pmem[id].arena_mutex);
-
- for (i = 0; i < pmem[id].allocator.bitmap.bitmap_allocs; i++)
- if (pmem[id].allocator.bitmap.bitm_alloc[i].bit ==
- data->index) {
- ret = pmem[id].allocator.bitmap.bitm_alloc[i].quanta *
- pmem[id].quantum;
- break;
- }
-
- mutex_unlock(&pmem[id].arena_mutex);
-#if PMEM_DEBUG
- if (i >= pmem[id].allocator.bitmap.bitmap_allocs)
- pr_alert("pmem: %s: can't find bitnum %d in "
- "alloc'd array!\n", __func__, data->index);
-#endif
- return ret;
-}
-
-static unsigned long pmem_len_system(int id, struct pmem_data *data)
-{
- unsigned long ret = 0;
-
- mutex_lock(&pmem[id].arena_mutex);
-
- ret = ((struct alloc_list *)data->index)->size;
- mutex_unlock(&pmem[id].arena_mutex);
-
- return ret;
-}
-
-static int pmem_map_garbage(int id, struct vm_area_struct *vma,
- struct pmem_data *data, unsigned long offset,
- unsigned long len)
-{
- int i, garbage_pages = len >> PAGE_SHIFT;
-
- vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP | VM_SHARED | VM_WRITE;
- for (i = 0; i < garbage_pages; i++) {
- if (vm_insert_pfn(vma, vma->vm_start + offset + (i * PAGE_SIZE),
- pmem[id].garbage_pfn))
- return -EAGAIN;
- }
- return 0;
-}
-
-static int pmem_unmap_pfn_range(int id, struct vm_area_struct *vma,
- struct pmem_data *data, unsigned long offset,
- unsigned long len)
-{
- int garbage_pages;
- DLOG("unmap offset %lx len %lx\n", offset, len);
-
- BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-
- garbage_pages = len >> PAGE_SHIFT;
- zap_page_range(vma, vma->vm_start + offset, len, NULL);
- pmem_map_garbage(id, vma, data, offset, len);
- return 0;
-}
-
-static int pmem_map_pfn_range(int id, struct vm_area_struct *vma,
- struct pmem_data *data, unsigned long offset,
- unsigned long len)
-{
- int ret;
- DLOG("map offset %lx len %lx\n", offset, len);
- BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_start));
- BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_end));
- BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
- BUG_ON(!PMEM_IS_PAGE_ALIGNED(offset));
-
- ret = io_remap_pfn_range(vma, vma->vm_start + offset,
- (pmem[id].start_addr(id, data) + offset) >> PAGE_SHIFT,
- len, vma->vm_page_prot);
- if (ret) {
-#if PMEM_DEBUG
- pr_alert("pmem: %s: io_remap_pfn_range fails with "
- "return value: %d!\n", __func__, ret);
-#endif
-
- ret = -EAGAIN;
- }
- return ret;
-}
-
-static int pmem_remap_pfn_range(int id, struct vm_area_struct *vma,
- struct pmem_data *data, unsigned long offset,
- unsigned long len)
-{
- /* hold the mm semp for the vma you are modifying when you call this */
- BUG_ON(!vma);
- zap_page_range(vma, vma->vm_start + offset, len, NULL);
- return pmem_map_pfn_range(id, vma, data, offset, len);
-}
-
-static void pmem_vma_open(struct vm_area_struct *vma)
-{
- struct file *file = vma->vm_file;
- struct pmem_data *data = file->private_data;
- int id = get_id(file);
-
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("Dev %s(id: %d) pid %u(%s) ppid %u file %p count %ld\n",
- get_name(file), id, current->pid,
- get_task_comm(currtask_name, current),
- current->parent->pid, file, file_count(file));
- /* this should never be called as we don't support copying pmem
- * ranges via fork */
- down_read(&data->sem);
- BUG_ON(!has_allocation(file));
- /* remap the garbage pages, forkers don't get access to the data */
- pmem_unmap_pfn_range(id, vma, data, 0, vma->vm_start - vma->vm_end);
- up_read(&data->sem);
-}
-
-static void pmem_vma_close(struct vm_area_struct *vma)
-{
- struct file *file = vma->vm_file;
- struct pmem_data *data = file->private_data;
-
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("Dev %s(id: %d) pid %u(%s) ppid %u file %p count %ld\n",
- get_name(file), get_id(file), current->pid,
- get_task_comm(currtask_name, current),
- current->parent->pid, file, file_count(file));
-
- if (unlikely(!is_pmem_file(file))) {
- pr_warning("pmem: something is very wrong, you are "
- "closing a vm backing an allocation that doesn't "
- "exist!\n");
- return;
- }
-
- down_write(&data->sem);
- if (unlikely(!has_allocation(file))) {
- up_write(&data->sem);
- pr_warning("pmem: something is very wrong, you are "
- "closing a vm backing an allocation that doesn't "
- "exist!\n");
- return;
- }
- if (data->vma == vma) {
- data->vma = NULL;
- if ((data->flags & PMEM_FLAGS_CONNECTED) &&
- (data->flags & PMEM_FLAGS_SUBMAP))
- data->flags |= PMEM_FLAGS_UNSUBMAP;
- }
- /* the kernel is going to free this vma now anyway */
- up_write(&data->sem);
-}
-
-static struct vm_operations_struct vm_ops = {
- .open = pmem_vma_open,
- .close = pmem_vma_close,
-};
-
-static int pmem_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct pmem_data *data = file->private_data;
- int index = -1;
- unsigned long vma_size = vma->vm_end - vma->vm_start;
- int ret = 0, id = get_id(file);
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
-
- if (!data) {
- pr_err("pmem: Invalid file descriptor, no private data\n");
- return -EINVAL;
- }
- DLOG("pid %u(%s) mmap vma_size %lu on dev %s(id: %d)\n", current->pid,
- get_task_comm(currtask_name, current), vma_size,
- get_name(file), id);
- if (vma->vm_pgoff || !PMEM_IS_PAGE_ALIGNED(vma_size)) {
-#if PMEM_DEBUG
- pr_err("pmem: mmaps must be at offset zero, aligned"
- " and a multiple of pages_size.\n");
-#endif
- return -EINVAL;
- }
-
- down_write(&data->sem);
- /* check this file isn't already mmaped, for submaps check this file
- * has never been mmaped */
- if ((data->flags & PMEM_FLAGS_SUBMAP) ||
- (data->flags & PMEM_FLAGS_UNSUBMAP)) {
-#if PMEM_DEBUG
- pr_err("pmem: you can only mmap a pmem file once, "
- "this file is already mmaped. %x\n", data->flags);
-#endif
- ret = -EINVAL;
- goto error;
- }
- /* if file->private_data == unalloced, alloc*/
- if (data->index == -1) {
- mutex_lock(&pmem[id].arena_mutex);
- index = pmem_allocate_from_id(id,
- vma->vm_end - vma->vm_start,
- SZ_4K);
- mutex_unlock(&pmem[id].arena_mutex);
- /* either no space was available or an error occured */
- if (index == -1) {
- pr_err("pmem: mmap unable to allocate memory"
- "on %s\n", get_name(file));
- ret = -ENOMEM;
- goto error;
- }
- /* store the index of a successful allocation */
- data->index = index;
- }
-
- if (pmem[id].len(id, data) < vma_size) {
-#if PMEM_DEBUG
- pr_err("pmem: mmap size [%lu] does not match"
- " size of backing region [%lu].\n", vma_size,
- pmem[id].len(id, data));
-#endif
- ret = -EINVAL;
- goto error;
- }
-
- vma->vm_pgoff = pmem[id].start_addr(id, data) >> PAGE_SHIFT;
-
- vma->vm_page_prot = pmem_phys_mem_access_prot(file, vma->vm_page_prot);
-
- if (data->flags & PMEM_FLAGS_CONNECTED) {
- struct pmem_region_node *region_node;
- struct list_head *elt;
- if (pmem_map_garbage(id, vma, data, 0, vma_size)) {
- pr_alert("pmem: mmap failed in kernel!\n");
- ret = -EAGAIN;
- goto error;
- }
- list_for_each(elt, &data->region_list) {
- region_node = list_entry(elt, struct pmem_region_node,
- list);
- DLOG("remapping file: %p %lx %lx\n", file,
- region_node->region.offset,
- region_node->region.len);
- if (pmem_remap_pfn_range(id, vma, data,
- region_node->region.offset,
- region_node->region.len)) {
- ret = -EAGAIN;
- goto error;
- }
- }
- data->flags |= PMEM_FLAGS_SUBMAP;
- get_task_struct(current->group_leader);
- data->task = current->group_leader;
- data->vma = vma;
-#if PMEM_DEBUG
- data->pid = current->pid;
-#endif
- DLOG("submmapped file %p vma %p pid %u\n", file, vma,
- current->pid);
- } else {
- if (pmem_map_pfn_range(id, vma, data, 0, vma_size)) {
- pr_err("pmem: mmap failed in kernel!\n");
- ret = -EAGAIN;
- goto error;
- }
- data->flags |= PMEM_FLAGS_MASTERMAP;
- data->pid = current->pid;
- }
- vma->vm_ops = &vm_ops;
-error:
- up_write(&data->sem);
- return ret;
-}
-
-/* the following are the api for accessing pmem regions by other drivers
- * from inside the kernel */
-int get_pmem_user_addr(struct file *file, unsigned long *start,
- unsigned long *len)
-{
- int ret = -1;
-
- if (is_pmem_file(file)) {
- struct pmem_data *data = file->private_data;
-
- down_read(&data->sem);
- if (has_allocation(file)) {
- if (data->vma) {
- *start = data->vma->vm_start;
- *len = data->vma->vm_end - data->vma->vm_start;
- } else {
- *start = *len = 0;
-#if PMEM_DEBUG
- pr_err("pmem: %s: no vma present.\n",
- __func__);
-#endif
- }
- ret = 0;
- }
- up_read(&data->sem);
- }
-
-#if PMEM_DEBUG
- if (ret)
- pr_err("pmem: %s: requested pmem data from invalid"
- "file.\n", __func__);
-#endif
- return ret;
-}
-
-int get_pmem_addr(struct file *file, unsigned long *start,
- unsigned long *vstart, unsigned long *len)
-{
- int ret = -1;
-
- if (is_pmem_file(file)) {
- struct pmem_data *data = file->private_data;
-
- down_read(&data->sem);
- if (has_allocation(file)) {
- int id = get_id(file);
-
- *start = pmem[id].start_addr(id, data);
- *len = pmem[id].len(id, data);
- *vstart = (unsigned long)
- pmem_start_vaddr(id, data);
- up_read(&data->sem);
-#if PMEM_DEBUG
- down_write(&data->sem);
- data->ref++;
- up_write(&data->sem);
-#endif
- DLOG("returning start %#lx len %lu "
- "vstart %#lx\n",
- *start, *len, *vstart);
- ret = 0;
- } else {
- up_read(&data->sem);
- }
- }
- return ret;
-}
-
-int get_pmem_file(unsigned int fd, unsigned long *start, unsigned long *vstart,
- unsigned long *len, struct file **filp)
-{
- int ret = -1;
- struct file *file = fget(fd);
-
- if (unlikely(file == NULL)) {
- pr_err("pmem: %s: requested data from file "
- "descriptor that doesn't exist.\n", __func__);
- } else {
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("filp %p rdev %d pid %u(%s) file %p(%ld)"
- " dev %s(id: %d)\n", filp,
- file->f_dentry->d_inode->i_rdev,
- current->pid, get_task_comm(currtask_name, current),
- file, file_count(file), get_name(file), get_id(file));
-
- if (!get_pmem_addr(file, start, vstart, len)) {
- if (filp)
- *filp = file;
- ret = 0;
- } else {
- fput(file);
- }
- }
- return ret;
-}
-EXPORT_SYMBOL(get_pmem_file);
-
-int get_pmem_fd(int fd, unsigned long *start, unsigned long *len)
-{
- unsigned long vstart;
- return get_pmem_file(fd, start, &vstart, len, NULL);
-}
-EXPORT_SYMBOL(get_pmem_fd);
-
-void put_pmem_file(struct file *file)
-{
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("rdev %d pid %u(%s) file %p(%ld)" " dev %s(id: %d)\n",
- file->f_dentry->d_inode->i_rdev, current->pid,
- get_task_comm(currtask_name, current), file,
- file_count(file), get_name(file), get_id(file));
- if (is_pmem_file(file)) {
-#if PMEM_DEBUG
- struct pmem_data *data = file->private_data;
-
- down_write(&data->sem);
- if (!data->ref--) {
- data->ref++;
- pr_alert("pmem: pmem_put > pmem_get %s "
- "(pid %d)\n",
- pmem[get_id(file)].dev.name, data->pid);
- BUG();
- }
- up_write(&data->sem);
-#endif
- fput(file);
- }
-}
-EXPORT_SYMBOL(put_pmem_file);
-
-void put_pmem_fd(int fd)
-{
- int put_needed;
- struct file *file = fget_light(fd, &put_needed);
-
- if (file) {
- put_pmem_file(file);
- fput_light(file, put_needed);
- }
-}
-
-void flush_pmem_fd(int fd, unsigned long offset, unsigned long len)
-{
- int fput_needed;
- struct file *file = fget_light(fd, &fput_needed);
-
- if (file) {
- flush_pmem_file(file, offset, len);
- fput_light(file, fput_needed);
- }
-}
-
-void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len)
-{
- struct pmem_data *data;
- int id;
- void *vaddr;
- struct pmem_region_node *region_node;
- struct list_head *elt;
- void *flush_start, *flush_end;
-#ifdef CONFIG_OUTER_CACHE
- unsigned long phy_start, phy_end;
-#endif
- if (!is_pmem_file(file))
- return;
-
- id = get_id(file);
- if (!pmem[id].cached)
- return;
-
- /* is_pmem_file fails if !file */
- data = file->private_data;
-
- down_read(&data->sem);
- if (!has_allocation(file))
- goto end;
-
- vaddr = pmem_start_vaddr(id, data);
-
- if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_SYSTEM) {
- dmac_flush_range(vaddr,
- (void *)((unsigned long)vaddr +
- ((struct alloc_list *)(data->index))->size));
-#ifdef CONFIG_OUTER_CACHE
- phy_start = pmem_start_addr_system(id, data);
-
- phy_end = phy_start +
- ((struct alloc_list *)(data->index))->size;
-
- outer_flush_range(phy_start, phy_end);
-#endif
- goto end;
- }
- /* if this isn't a submmapped file, flush the whole thing */
- if (unlikely(!(data->flags & PMEM_FLAGS_CONNECTED))) {
- dmac_flush_range(vaddr, vaddr + pmem[id].len(id, data));
-#ifdef CONFIG_OUTER_CACHE
- phy_start = (unsigned long)vaddr -
- (unsigned long)pmem[id].vbase + pmem[id].base;
-
- phy_end = phy_start + pmem[id].len(id, data);
-
- outer_flush_range(phy_start, phy_end);
-#endif
- goto end;
- }
- /* otherwise, flush the region of the file we are drawing */
- list_for_each(elt, &data->region_list) {
- region_node = list_entry(elt, struct pmem_region_node, list);
- if ((offset >= region_node->region.offset) &&
- ((offset + len) <= (region_node->region.offset +
- region_node->region.len))) {
- flush_start = vaddr + region_node->region.offset;
- flush_end = flush_start + region_node->region.len;
- dmac_flush_range(flush_start, flush_end);
-#ifdef CONFIG_OUTER_CACHE
-
- phy_start = (unsigned long)flush_start -
- (unsigned long)pmem[id].vbase + pmem[id].base;
-
- phy_end = phy_start + region_node->region.len;
-
- outer_flush_range(phy_start, phy_end);
-#endif
- break;
- }
- }
-end:
- up_read(&data->sem);
-}
-
-int pmem_cache_maint(struct file *file, unsigned int cmd,
- struct pmem_addr *pmem_addr)
-{
- struct pmem_data *data;
- int id;
- unsigned long vaddr, paddr, length, offset,
- pmem_len, pmem_start_addr;
-
- /* Called from kernel-space so file may be NULL */
- if (!file)
- return -EBADF;
-
- /*
- * check that the vaddr passed for flushing is valid
- * so that you don't crash the kernel
- */
- if (!pmem_addr->vaddr)
- return -EINVAL;
-
- data = file->private_data;
- id = get_id(file);
-
- if (!pmem[id].cached)
- return 0;
-
- offset = pmem_addr->offset;
- length = pmem_addr->length;
-
- down_read(&data->sem);
- if (!has_allocation(file)) {
- up_read(&data->sem);
- return -EINVAL;
- }
- pmem_len = pmem[id].len(id, data);
- pmem_start_addr = pmem[id].start_addr(id, data);
- up_read(&data->sem);
-
- if (offset + length > pmem_len)
- return -EINVAL;
-
- vaddr = pmem_addr->vaddr;
- paddr = pmem_start_addr + offset;
-
- DLOG("pmem cache maint on dev %s(id: %d)"
- "(vaddr %lx paddr %lx len %lu bytes)\n",
- get_name(file), id, vaddr, paddr, length);
- if (cmd == PMEM_CLEAN_INV_CACHES)
- clean_and_invalidate_caches(vaddr,
- length, paddr);
- else if (cmd == PMEM_CLEAN_CACHES)
- clean_caches(vaddr, length, paddr);
- else if (cmd == PMEM_INV_CACHES)
- invalidate_caches(vaddr, length, paddr);
-
- return 0;
-}
-EXPORT_SYMBOL(pmem_cache_maint);
-
-static int pmem_connect(unsigned long connect, struct file *file)
-{
- int ret = 0, put_needed;
- struct file *src_file;
-
- if (!file) {
- pr_err("pmem: %s: NULL file pointer passed in, "
- "bailing out!\n", __func__);
- ret = -EINVAL;
- goto leave;
- }
-
- src_file = fget_light(connect, &put_needed);
-
- if (!src_file) {
- pr_err("pmem: %s: src file not found!\n", __func__);
- ret = -EBADF;
- goto leave;
- }
-
- if (src_file == file) { /* degenerative case, operator error */
- pr_err("pmem: %s: src_file and passed in file are "
- "the same; refusing to connect to self!\n", __func__);
- ret = -EINVAL;
- goto put_src_file;
- }
-
- if (unlikely(!is_pmem_file(src_file))) {
- pr_err("pmem: %s: src file is not a pmem file!\n",
- __func__);
- ret = -EINVAL;
- goto put_src_file;
- } else {
- struct pmem_data *src_data = src_file->private_data;
-
- if (!src_data) {
- pr_err("pmem: %s: src file pointer has no"
- "private data, bailing out!\n", __func__);
- ret = -EINVAL;
- goto put_src_file;
- }
-
- down_read(&src_data->sem);
-
- if (unlikely(!has_allocation(src_file))) {
- up_read(&src_data->sem);
- pr_err("pmem: %s: src file has no allocation!\n",
- __func__);
- ret = -EINVAL;
- } else {
- struct pmem_data *data;
- int src_index = src_data->index;
-
- up_read(&src_data->sem);
-
- data = file->private_data;
- if (!data) {
- pr_err("pmem: %s: passed in file "
- "pointer has no private data, bailing"
- " out!\n", __func__);
- ret = -EINVAL;
- goto put_src_file;
- }
-
- down_write(&data->sem);
- if (has_allocation(file) &&
- (data->index != src_index)) {
- up_write(&data->sem);
-
- pr_err("pmem: %s: file is already "
- "mapped but doesn't match this "
- "src_file!\n", __func__);
- ret = -EINVAL;
- } else {
- data->index = src_index;
- data->flags |= PMEM_FLAGS_CONNECTED;
- data->master_fd = connect;
- data->master_file = src_file;
-
- up_write(&data->sem);
-
- DLOG("connect %p to %p\n", file, src_file);
- }
- }
- }
-put_src_file:
- fput_light(src_file, put_needed);
-leave:
- return ret;
-}
-
-static void pmem_unlock_data_and_mm(struct pmem_data *data,
- struct mm_struct *mm)
-{
- up_write(&data->sem);
- if (mm != NULL) {
- up_write(&mm->mmap_sem);
- mmput(mm);
- }
-}
-
-static int pmem_lock_data_and_mm(struct file *file, struct pmem_data *data,
- struct mm_struct **locked_mm)
-{
- int ret = 0;
- struct mm_struct *mm = NULL;
-#if PMEM_DEBUG_MSGS
- char currtask_name[FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
- DLOG("pid %u(%s) file %p(%ld)\n",
- current->pid, get_task_comm(currtask_name, current),
- file, file_count(file));
-
- *locked_mm = NULL;
-lock_mm:
- down_read(&data->sem);
- if (PMEM_IS_SUBMAP(data)) {
- mm = get_task_mm(data->task);
- if (!mm) {
- up_read(&data->sem);
-#if PMEM_DEBUG
- pr_alert("pmem: can't remap - task is gone!\n");
-#endif
- return -1;
- }
- }
- up_read(&data->sem);
-
- if (mm)
- down_write(&mm->mmap_sem);
-
- down_write(&data->sem);
- /* check that the file didn't get mmaped before we could take the
- * data sem, this should be safe b/c you can only submap each file
- * once */
- if (PMEM_IS_SUBMAP(data) && !mm) {
- pmem_unlock_data_and_mm(data, mm);
- DLOG("mapping contention, repeating mmap op\n");
- goto lock_mm;
- }
- /* now check that vma.mm is still there, it could have been
- * deleted by vma_close before we could get the data->sem */
- if ((data->flags & PMEM_FLAGS_UNSUBMAP) && (mm != NULL)) {
- /* might as well release this */
- if (data->flags & PMEM_FLAGS_SUBMAP) {
- put_task_struct(data->task);
- data->task = NULL;
- /* lower the submap flag to show the mm is gone */
- data->flags &= ~(PMEM_FLAGS_SUBMAP);
- }
- pmem_unlock_data_and_mm(data, mm);
-#if PMEM_DEBUG
- pr_alert("pmem: vma.mm went away!\n");
-#endif
- return -1;
- }
- *locked_mm = mm;
- return ret;
-}
-
-int pmem_remap(struct pmem_region *region, struct file *file,
- unsigned operation)
-{
- int ret;
- struct pmem_region_node *region_node;
- struct mm_struct *mm = NULL;
- struct list_head *elt, *elt2;
- int id = get_id(file);
- struct pmem_data *data;
-
- DLOG("operation %#x, region offset %ld, region len %ld\n",
- operation, region->offset, region->len);
-
- if (!is_pmem_file(file)) {
-#if PMEM_DEBUG
- pr_err("pmem: remap request for non-pmem file descriptor\n");
-#endif
- return -EINVAL;
- }
-
- /* is_pmem_file fails if !file */
- data = file->private_data;
-
- /* pmem region must be aligned on a page boundry */
- if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
- !PMEM_IS_PAGE_ALIGNED(region->len))) {
-#if PMEM_DEBUG
- pr_err("pmem: request for unaligned pmem"
- "suballocation %lx %lx\n",
- region->offset, region->len);
-#endif
- return -EINVAL;
- }
-
- /* if userspace requests a region of len 0, there's nothing to do */
- if (region->len == 0)
- return 0;
-
- /* lock the mm and data */
- ret = pmem_lock_data_and_mm(file, data, &mm);
- if (ret)
- return 0;
-
- /* only the owner of the master file can remap the client fds
- * that back in it */
- if (!is_master_owner(file)) {
-#if PMEM_DEBUG
- pr_err("pmem: remap requested from non-master process\n");
-#endif
- ret = -EINVAL;
- goto err;
- }
-
- /* check that the requested range is within the src allocation */
- if (unlikely((region->offset > pmem[id].len(id, data)) ||
- (region->len > pmem[id].len(id, data)) ||
- (region->offset + region->len > pmem[id].len(id, data)))) {
-#if PMEM_DEBUG
- pr_err("pmem: suballoc doesn't fit in src_file!\n");
-#endif
- ret = -EINVAL;
- goto err;
- }
-
- if (operation == PMEM_MAP) {
- region_node = kmalloc(sizeof(struct pmem_region_node),
- GFP_KERNEL);
- if (!region_node) {
- ret = -ENOMEM;
-#if PMEM_DEBUG
- pr_alert("pmem: No space to allocate remap metadata!");
-#endif
- goto err;
- }
- region_node->region = *region;
- list_add(®ion_node->list, &data->region_list);
- } else if (operation == PMEM_UNMAP) {
- int found = 0;
- list_for_each_safe(elt, elt2, &data->region_list) {
- region_node = list_entry(elt, struct pmem_region_node,
- list);
- if (region->len == 0 ||
- (region_node->region.offset == region->offset &&
- region_node->region.len == region->len)) {
- list_del(elt);
- kfree(region_node);
- found = 1;
- }
- }
- if (!found) {
-#if PMEM_DEBUG
- pr_err("pmem: Unmap region does not map any"
- " mapped region!");
-#endif
- ret = -EINVAL;
- goto err;
- }
- }
-
- if (data->vma && PMEM_IS_SUBMAP(data)) {
- if (operation == PMEM_MAP)
- ret = pmem_remap_pfn_range(id, data->vma, data,
- region->offset, region->len);
- else if (operation == PMEM_UNMAP)
- ret = pmem_unmap_pfn_range(id, data->vma, data,
- region->offset, region->len);
- }
-
-err:
- pmem_unlock_data_and_mm(data, mm);
- return ret;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data)
-{
- struct pmem_region_node *region_node;
- struct list_head *elt, *elt2;
- struct mm_struct *mm = NULL;
- int id = get_id(file);
- int ret = 0;
-
- data->master_file = NULL;
- ret = pmem_lock_data_and_mm(file, data, &mm);
- /* if lock_data_and_mm fails either the task that mapped the fd, or
- * the vma that mapped it have already gone away, nothing more
- * needs to be done */
- if (ret)
- return;
- /* unmap everything */
- /* delete the regions and region list nothing is mapped any more */
- if (data->vma)
- list_for_each_safe(elt, elt2, &data->region_list) {
- region_node = list_entry(elt, struct pmem_region_node,
- list);
- pmem_unmap_pfn_range(id, data->vma, data,
- region_node->region.offset,
- region_node->region.len);
- list_del(elt);
- kfree(region_node);
- }
- /* delete the master file */
- pmem_unlock_data_and_mm(data, mm);
-}
-
-static void pmem_get_size(struct pmem_region *region, struct file *file)
-{
- /* called via ioctl file op, so file guaranteed to be not NULL */
- struct pmem_data *data = file->private_data;
- int id = get_id(file);
-
- down_read(&data->sem);
- if (!has_allocation(file)) {
- region->offset = 0;
- region->len = 0;
- } else {
- region->offset = pmem[id].start_addr(id, data);
- region->len = pmem[id].len(id, data);
- }
- up_read(&data->sem);
- DLOG("offset 0x%lx len 0x%lx\n", region->offset, region->len);
-}
-
-
-static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- /* called from user space as file op, so file guaranteed to be not
- * NULL
- */
- struct pmem_data *data = file->private_data;
- int id = get_id(file);
-#if PMEM_DEBUG_MSGS
- char currtask_name[
- FIELD_SIZEOF(struct task_struct, comm) + 1];
-#endif
-
- DLOG("pid %u(%s) file %p(%ld) cmd %#x, dev %s(id: %d)\n",
- current->pid, get_task_comm(currtask_name, current),
- file, file_count(file), cmd, get_name(file), id);
-
- switch (cmd) {
- case PMEM_GET_PHYS:
- {
- struct pmem_region region;
-
- DLOG("get_phys\n");
- down_read(&data->sem);
- if (!has_allocation(file)) {
- region.offset = 0;
- region.len = 0;
- } else {
- region.offset = pmem[id].start_addr(id, data);
- region.len = pmem[id].len(id, data);
- }
- up_read(&data->sem);
-
- if (copy_to_user((void __user *)arg, ®ion,
- sizeof(struct pmem_region)))
- return -EFAULT;
-
- DLOG("pmem: successful request for "
- "physical address of pmem region id %d, "
- "offset 0x%lx, len 0x%lx\n",
- id, region.offset, region.len);
-
- break;
- }
- case PMEM_MAP:
- {
- struct pmem_region region;
- DLOG("map\n");
- if (copy_from_user(®ion, (void __user *)arg,
- sizeof(struct pmem_region)))
- return -EFAULT;
- return pmem_remap(®ion, file, PMEM_MAP);
- }
- break;
- case PMEM_UNMAP:
- {
- struct pmem_region region;
- DLOG("unmap\n");
- if (copy_from_user(®ion, (void __user *)arg,
- sizeof(struct pmem_region)))
- return -EFAULT;
- return pmem_remap(®ion, file, PMEM_UNMAP);
- break;
- }
- case PMEM_GET_SIZE:
- {
- struct pmem_region region;
- DLOG("get_size\n");
- pmem_get_size(®ion, file);
- if (copy_to_user((void __user *)arg, ®ion,
- sizeof(struct pmem_region)))
- return -EFAULT;
- break;
- }
- case PMEM_GET_TOTAL_SIZE:
- {
- struct pmem_region region;
- DLOG("get total size\n");
- region.offset = 0;
- get_id(file);
- region.len = pmem[id].size;
- if (copy_to_user((void __user *)arg, ®ion,
- sizeof(struct pmem_region)))
- return -EFAULT;
- break;
- }
- case PMEM_GET_FREE_SPACE:
- {
- struct pmem_freespace fs;
- DLOG("get freespace on %s(id: %d)\n",
- get_name(file), id);
-
- mutex_lock(&pmem[id].arena_mutex);
- pmem[id].free_space(id, &fs);
- mutex_unlock(&pmem[id].arena_mutex);
-
- DLOG("%s(id: %d) total free %lu, largest %lu\n",
- get_name(file), id, fs.total, fs.largest);
-
- if (copy_to_user((void __user *)arg, &fs,
- sizeof(struct pmem_freespace)))
- return -EFAULT;
- break;
- }
-
- case PMEM_ALLOCATE:
- {
- int ret = 0;
- DLOG("allocate, id %d\n", id);
- down_write(&data->sem);
- if (has_allocation(file)) {
- pr_err("pmem: Existing allocation found on "
- "this file descrpitor\n");
- up_write(&data->sem);
- return -EINVAL;
- }
-
- mutex_lock(&pmem[id].arena_mutex);
- data->index = pmem_allocate_from_id(id,
- arg,
- SZ_4K);
- mutex_unlock(&pmem[id].arena_mutex);
- ret = data->index == -1 ? -ENOMEM :
- data->index;
- up_write(&data->sem);
- return ret;
- }
- case PMEM_ALLOCATE_ALIGNED:
- {
- struct pmem_allocation alloc;
- int ret = 0;
-
- if (copy_from_user(&alloc, (void __user *)arg,
- sizeof(struct pmem_allocation)))
- return -EFAULT;
- DLOG("allocate id align %d %u\n", id, alloc.align);
- down_write(&data->sem);
- if (has_allocation(file)) {
- pr_err("pmem: Existing allocation found on "
- "this file descrpitor\n");
- up_write(&data->sem);
- return -EINVAL;
- }
-
- if (alloc.align & (alloc.align - 1)) {
- pr_err("pmem: Alignment is not a power of 2\n");
- return -EINVAL;
- }
-
- if (alloc.align != SZ_4K &&
- (pmem[id].allocator_type !=
- PMEM_ALLOCATORTYPE_BITMAP)) {
- pr_err("pmem: Non 4k alignment requires bitmap"
- " allocator on %s\n", pmem[id].name);
- return -EINVAL;
- }
-
- if (alloc.align > SZ_1M ||
- alloc.align < SZ_4K) {
- pr_err("pmem: Invalid Alignment (%u) "
- "specified\n", alloc.align);
- return -EINVAL;
- }
-
- mutex_lock(&pmem[id].arena_mutex);
- data->index = pmem_allocate_from_id(id,
- alloc.size,
- alloc.align);
- mutex_unlock(&pmem[id].arena_mutex);
- ret = data->index == -1 ? -ENOMEM :
- data->index;
- up_write(&data->sem);
- return ret;
- }
- case PMEM_CONNECT:
- DLOG("connect\n");
- return pmem_connect(arg, file);
- case PMEM_CLEAN_INV_CACHES:
- case PMEM_CLEAN_CACHES:
- case PMEM_INV_CACHES:
- {
- struct pmem_addr pmem_addr;
-
- if (copy_from_user(&pmem_addr, (void __user *)arg,
- sizeof(struct pmem_addr)))
- return -EFAULT;
-
- return pmem_cache_maint(file, cmd, &pmem_addr);
- }
- default:
- if (pmem[id].ioctl)
- return pmem[id].ioctl(file, cmd, arg);
-
- DLOG("ioctl invalid (%#x)\n", cmd);
- return -EINVAL;
- }
- return 0;
-}
-
-static void ioremap_pmem(int id)
-{
- unsigned long addr;
- const struct mem_type *type;
-
- DLOG("PMEMDEBUG: ioremaping for %s\n", pmem[id].name);
- if (pmem[id].map_on_demand) {
- addr = (unsigned long)pmem[id].area->addr;
- if (pmem[id].cached)
- type = get_mem_type(MT_DEVICE_CACHED);
- else
- type = get_mem_type(MT_DEVICE);
- DLOG("PMEMDEBUG: Remap phys %lx to virt %lx on %s\n",
- pmem[id].base, addr, pmem[id].name);
- if (ioremap_pages(addr, pmem[id].base, pmem[id].size, type)) {
- pr_err("pmem: Failed to map pages\n");
- BUG();
- }
- pmem[id].vbase = pmem[id].area->addr;
- /* Flush the cache after installing page table entries to avoid
- * aliasing when these pages are remapped to user space.
- */
- flush_cache_vmap(addr, addr + pmem[id].size);
- } else {
- if (pmem[id].cached)
- pmem[id].vbase = ioremap_cached(pmem[id].base,
- pmem[id].size);
- #ifdef ioremap_ext_buffered
- else if (pmem[id].buffered)
- pmem[id].vbase = ioremap_ext_buffered(pmem[id].base,
- pmem[id].size);
- #endif
- else
- pmem[id].vbase = ioremap(pmem[id].base, pmem[id].size);
- }
-}
-
-int pmem_setup(struct android_pmem_platform_data *pdata,
- long (*ioctl)(struct file *, unsigned int, unsigned long),
- int (*release)(struct inode *, struct file *))
-{
- int i, index = 0, id;
- struct vm_struct *pmem_vma = NULL;
- struct page *page;
-
- if (id_count >= PMEM_MAX_DEVICES) {
- pr_alert("pmem: %s: unable to register driver(%s) - no more "
- "devices available!\n", __func__, pdata->name);
- goto err_no_mem;
- }
-
- if (!pdata->size) {
- pr_alert("pmem: %s: unable to register pmem driver(%s) - zero "
- "size passed in!\n", __func__, pdata->name);
- goto err_no_mem;
- }
-
- id = id_count++;
-
- pmem[id].id = id;
-
- if (pmem[id].allocate) {
- pr_alert("pmem: %s: unable to register pmem driver - "
- "duplicate registration of %s!\n",
- __func__, pdata->name);
- goto err_no_mem;
- }
-
- pmem[id].allocator_type = pdata->allocator_type;
-
- /* 'quantum' is a "hidden" variable that defaults to 0 in the board
- * files */
- pmem[id].quantum = pdata->quantum ?: PMEM_MIN_ALLOC;
- if (pmem[id].quantum < PMEM_MIN_ALLOC ||
- !is_power_of_2(pmem[id].quantum)) {
- pr_alert("pmem: %s: unable to register pmem driver %s - "
- "invalid quantum value (%#x)!\n",
- __func__, pdata->name, pmem[id].quantum);
- goto err_reset_pmem_info;
- }
-
- if (pdata->size % pmem[id].quantum) {
- /* bad alignment for size! */
- pr_alert("pmem: %s: Unable to register driver %s - "
- "memory region size (%#lx) is not a multiple of "
- "quantum size(%#x)!\n", __func__, pdata->name,
- pdata->size, pmem[id].quantum);
- goto err_reset_pmem_info;
- }
-
- pmem[id].cached = pdata->cached;
- pmem[id].buffered = pdata->buffered;
- pmem[id].size = pdata->size;
- pmem[id].memory_type = pdata->memory_type;
- strlcpy(pmem[id].name, pdata->name, PMEM_NAME_SIZE);
-
- pmem[id].num_entries = pmem[id].size / pmem[id].quantum;
-
- memset(&pmem[id].kobj, 0, sizeof(pmem[0].kobj));
- pmem[id].kobj.kset = pmem_kset;
-
- switch (pmem[id].allocator_type) {
- case PMEM_ALLOCATORTYPE_ALLORNOTHING:
- pmem[id].allocate = pmem_allocator_all_or_nothing;
- pmem[id].free = pmem_free_all_or_nothing;
- pmem[id].free_space = pmem_free_space_all_or_nothing;
- pmem[id].len = pmem_len_all_or_nothing;
- pmem[id].start_addr = pmem_start_addr_all_or_nothing;
- pmem[id].num_entries = 1;
- pmem[id].quantum = pmem[id].size;
- pmem[id].allocator.all_or_nothing.allocated = 0;
-
- if (kobject_init_and_add(&pmem[id].kobj,
- &pmem_allornothing_ktype, NULL,
- "%s", pdata->name))
- goto out_put_kobj;
-
- break;
-
- case PMEM_ALLOCATORTYPE_BUDDYBESTFIT:
- pmem[id].allocator.buddy_bestfit.buddy_bitmap = kmalloc(
- pmem[id].num_entries * sizeof(struct pmem_bits),
- GFP_KERNEL);
- if (!pmem[id].allocator.buddy_bestfit.buddy_bitmap)
- goto err_reset_pmem_info;
-
- memset(pmem[id].allocator.buddy_bestfit.buddy_bitmap, 0,
- sizeof(struct pmem_bits) * pmem[id].num_entries);
-
- for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--)
- if ((pmem[id].num_entries) & 1<<i) {
- PMEM_BUDDY_ORDER(id, index) = i;
- index = PMEM_BUDDY_NEXT_INDEX(id, index);
- }
- pmem[id].allocate = pmem_allocator_buddy_bestfit;
- pmem[id].free = pmem_free_buddy_bestfit;
- pmem[id].free_space = pmem_free_space_buddy_bestfit;
- pmem[id].len = pmem_len_buddy_bestfit;
- pmem[id].start_addr = pmem_start_addr_buddy_bestfit;
- if (kobject_init_and_add(&pmem[id].kobj,
- &pmem_buddy_bestfit_ktype, NULL,
- "%s", pdata->name))
- goto out_put_kobj;
-
- break;
-
- case PMEM_ALLOCATORTYPE_BITMAP: /* 0, default if not explicit */
- pmem[id].allocator.bitmap.bitm_alloc = kmalloc(
- PMEM_INITIAL_NUM_BITMAP_ALLOCATIONS *
- sizeof(*pmem[id].allocator.bitmap.bitm_alloc),
- GFP_KERNEL);
- if (!pmem[id].allocator.bitmap.bitm_alloc) {
- pr_alert("pmem: %s: Unable to register pmem "
- "driver %s - can't allocate "
- "bitm_alloc!\n",
- __func__, pdata->name);
- goto err_reset_pmem_info;
- }
-
- if (kobject_init_and_add(&pmem[id].kobj,
- &pmem_bitmap_ktype, NULL,
- "%s", pdata->name))
- goto out_put_kobj;
-
- for (i = 0; i < PMEM_INITIAL_NUM_BITMAP_ALLOCATIONS; i++) {
- pmem[id].allocator.bitmap.bitm_alloc[i].bit = -1;
- pmem[id].allocator.bitmap.bitm_alloc[i].quanta = 0;
- }
-
- pmem[id].allocator.bitmap.bitmap_allocs =
- PMEM_INITIAL_NUM_BITMAP_ALLOCATIONS;
-
- pmem[id].allocator.bitmap.bitmap =
- kcalloc((pmem[id].num_entries + 31) / 32,
- sizeof(unsigned int), GFP_KERNEL);
- if (!pmem[id].allocator.bitmap.bitmap) {
- pr_alert("pmem: %s: Unable to register pmem "
- "driver - can't allocate bitmap!\n",
- __func__);
- goto err_cant_register_device;
- }
- pmem[id].allocator.bitmap.bitmap_free = pmem[id].num_entries;
-
- pmem[id].allocate = pmem_allocator_bitmap;
- pmem[id].free = pmem_free_bitmap;
- pmem[id].free_space = pmem_free_space_bitmap;
- pmem[id].len = pmem_len_bitmap;
- pmem[id].start_addr = pmem_start_addr_bitmap;
-
- DLOG("bitmap allocator id %d (%s), num_entries %u, raw size "
- "%lu, quanta size %u\n",
- id, pdata->name, pmem[id].allocator.bitmap.bitmap_free,
- pmem[id].size, pmem[id].quantum);
- break;
-
- case PMEM_ALLOCATORTYPE_SYSTEM:
-
- INIT_LIST_HEAD(&pmem[id].allocator.system_mem.alist);
-
- pmem[id].allocator.system_mem.used = 0;
- pmem[id].vbase = NULL;
-
- if (kobject_init_and_add(&pmem[id].kobj,
- &pmem_system_ktype, NULL,
- "%s", pdata->name))
- goto out_put_kobj;
-
- pmem[id].allocate = pmem_allocator_system;
- pmem[id].free = pmem_free_system;
- pmem[id].free_space = pmem_free_space_system;
- pmem[id].len = pmem_len_system;
- pmem[id].start_addr = pmem_start_addr_system;
- pmem[id].num_entries = 0;
- pmem[id].quantum = PAGE_SIZE;
-
- DLOG("system allocator id %d (%s), raw size %lu\n",
- id, pdata->name, pmem[id].size);
- break;
-
- default:
- pr_alert("Invalid allocator type (%d) for pmem driver\n",
- pdata->allocator_type);
- goto err_reset_pmem_info;
- }
-
- pmem[id].ioctl = ioctl;
- pmem[id].release = release;
- mutex_init(&pmem[id].arena_mutex);
- mutex_init(&pmem[id].data_list_mutex);
- INIT_LIST_HEAD(&pmem[id].data_list);
-
- pmem[id].dev.name = pdata->name;
- pmem[id].dev.minor = id;
- pmem[id].dev.fops = &pmem_fops;
- pmem[id].reusable = pdata->reusable;
- pr_info("pmem: Initializing %s as %s\n",
- pdata->name, pdata->cached ? "cached" : "non-cached");
-
- if (misc_register(&pmem[id].dev)) {
- pr_alert("Unable to register pmem driver!\n");
- goto err_cant_register_device;
- }
-
- if (!pmem[id].reusable) {
- pmem[id].base = allocate_contiguous_memory_nomap(pmem[id].size,
- pmem[id].memory_type, PAGE_SIZE);
- if (!pmem[id].base) {
- pr_err("pmem: Cannot allocate from reserved memory for %s\n",
- pdata->name);
- goto err_misc_deregister;
- }
- }
-
- /* reusable pmem requires map on demand */
- pmem[id].map_on_demand = pdata->map_on_demand || pdata->reusable;
- if (pmem[id].map_on_demand) {
- if (pmem[id].reusable) {
- const struct fmem_data *fmem_info = fmem_get_info();
- pmem[id].area = fmem_info->area;
- pmem[id].base = fmem_info->phys;
- } else {
- pmem_vma = get_vm_area(pmem[id].size, VM_IOREMAP);
- if (!pmem_vma) {
- pr_err("pmem: Failed to allocate virtual space for "
- "%s\n", pdata->name);
- goto err_free;
- }
- pr_err("pmem: Reserving virtual address range %lx - %lx for"
- " %s\n", (unsigned long) pmem_vma->addr,
- (unsigned long) pmem_vma->addr + pmem[id].size,
- pdata->name);
- pmem[id].area = pmem_vma;
- }
- } else
- pmem[id].area = NULL;
-
- page = alloc_page(GFP_KERNEL);
- if (!page) {
- pr_err("pmem: Failed to allocate page for %s\n", pdata->name);
- goto cleanup_vm;
- }
- pmem[id].garbage_pfn = page_to_pfn(page);
- atomic_set(&pmem[id].allocation_cnt, 0);
-
- if (pdata->setup_region)
- pmem[id].region_data = pdata->setup_region();
-
- if (pdata->request_region)
- pmem[id].mem_request = pdata->request_region;
-
- if (pdata->release_region)
- pmem[id].mem_release = pdata->release_region;
-
- pr_info("allocating %lu bytes at %lx physical for %s\n",
- pmem[id].size, pmem[id].base, pmem[id].name);
-
- return 0;
-
-cleanup_vm:
- if (!pmem[id].reusable)
- remove_vm_area(pmem_vma);
-err_free:
- if (!pmem[id].reusable)
- free_contiguous_memory_by_paddr(pmem[id].base);
-err_misc_deregister:
- misc_deregister(&pmem[id].dev);
-err_cant_register_device:
-out_put_kobj:
- kobject_put(&pmem[id].kobj);
- if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_BUDDYBESTFIT)
- kfree(pmem[id].allocator.buddy_bestfit.buddy_bitmap);
- else if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_BITMAP) {
- kfree(pmem[id].allocator.bitmap.bitmap);
- kfree(pmem[id].allocator.bitmap.bitm_alloc);
- }
-err_reset_pmem_info:
- pmem[id].allocate = 0;
- pmem[id].dev.minor = -1;
-err_no_mem:
- return -1;
-}
-
-static int pmem_probe(struct platform_device *pdev)
-{
- struct android_pmem_platform_data *pdata;
-
- if (!pdev || !pdev->dev.platform_data) {
- pr_alert("Unable to probe pmem!\n");
- return -1;
- }
- pdata = pdev->dev.platform_data;
-
- pm_runtime_set_active(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
-
- return pmem_setup(pdata, NULL, NULL);
-}
-
-static int pmem_remove(struct platform_device *pdev)
-{
- int id = pdev->id;
- __free_page(pfn_to_page(pmem[id].garbage_pfn));
- pm_runtime_disable(&pdev->dev);
- if (pmem[id].vbase)
- iounmap(pmem[id].vbase);
- if (pmem[id].map_on_demand && !pmem[id].reusable && pmem[id].area)
- free_vm_area(pmem[id].area);
- if (pmem[id].base)
- free_contiguous_memory_by_paddr(pmem[id].base);
- kobject_put(&pmem[id].kobj);
- if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_BUDDYBESTFIT)
- kfree(pmem[id].allocator.buddy_bestfit.buddy_bitmap);
- else if (pmem[id].allocator_type == PMEM_ALLOCATORTYPE_BITMAP) {
- kfree(pmem[id].allocator.bitmap.bitmap);
- kfree(pmem[id].allocator.bitmap.bitm_alloc);
- }
- misc_deregister(&pmem[id].dev);
- return 0;
-}
-
-static int pmem_runtime_suspend(struct device *dev)
-{
- dev_dbg(dev, "pm_runtime: suspending...\n");
- return 0;
-}
-
-static int pmem_runtime_resume(struct device *dev)
-{
- dev_dbg(dev, "pm_runtime: resuming...\n");
- return 0;
-}
-
-static const struct dev_pm_ops pmem_dev_pm_ops = {
- .runtime_suspend = pmem_runtime_suspend,
- .runtime_resume = pmem_runtime_resume,
-};
-
-static struct platform_driver pmem_driver = {
- .probe = pmem_probe,
- .remove = pmem_remove,
- .driver = { .name = "android_pmem",
- .pm = &pmem_dev_pm_ops,
- }
-};
-
-
-static int __init pmem_init(void)
-{
- /* create /sys/kernel/<PMEM_SYSFS_DIR_NAME> directory */
- pmem_kset = kset_create_and_add(PMEM_SYSFS_DIR_NAME,
- NULL, kernel_kobj);
- if (!pmem_kset) {
- pr_err("pmem(%s):kset_create_and_add fail\n", __func__);
- return -ENOMEM;
- }
-
- return platform_driver_register(&pmem_driver);
-}
-
-static void __exit pmem_exit(void)
-{
- platform_driver_unregister(&pmem_driver);
-}
-
-module_init(pmem_init);
-module_exit(pmem_exit);
-
diff --git a/drivers/net/ethernet/msm/ecm_ipa.c b/drivers/net/ethernet/msm/ecm_ipa.c
index 3c3a62b..726e9a6 100644
--- a/drivers/net/ethernet/msm/ecm_ipa.c
+++ b/drivers/net/ethernet/msm/ecm_ipa.c
@@ -80,25 +80,22 @@
};
/**
- * struct ecm_ipa_ctx - saved pointer for the std ecm network device
+ * struct ecm_ipa_ctx - saved pointer for the ecm_ipa network device
* which allow ecm_ipa to be a singleton
*/
static struct ecm_ipa_dev *ecm_ipa_ctx;
-static int ecm_ipa_ep_registers_cfg(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl);
-static int ecm_ipa_set_device_ethernet_addr(
- u8 *dev_ethaddr, u8 device_ethaddr[]);
-static void ecm_ipa_packet_receive_notify(void *priv,
- enum ipa_dp_evt_type evt,
- unsigned long data);
-static void ecm_ipa_tx_complete_notify(void *priv,
- enum ipa_dp_evt_type evt,
- unsigned long data);
-static int ecm_ipa_ep_registers_dma_cfg(u32 usb_to_ipa_hdl);
static int ecm_ipa_open(struct net_device *net);
+static void ecm_ipa_packet_receive_notify(void *priv,
+ enum ipa_dp_evt_type evt, unsigned long data);
+static void ecm_ipa_tx_complete_notify(void *priv,
+ enum ipa_dp_evt_type evt, unsigned long data);
static int ecm_ipa_stop(struct net_device *net);
-static netdev_tx_t ecm_ipa_start_xmit(struct sk_buff *skb,
- struct net_device *net);
+static int ecm_ipa_rules_cfg(struct ecm_ipa_dev *dev,
+ const void *dst_mac, const void *src_mac);
+static void ecm_ipa_rules_destroy(struct ecm_ipa_dev *dev);
+static int ecm_ipa_register_properties(void);
+static void ecm_ipa_deregister_properties(void);
static void ecm_ipa_rm_notify(void *user_data, enum ipa_rm_event event,
unsigned long data);
static int ecm_ipa_create_rm_resource(struct ecm_ipa_dev *dev);
@@ -106,25 +103,28 @@
static bool rx_filter(struct sk_buff *skb);
static bool tx_filter(struct sk_buff *skb);
static bool rm_enabled(struct ecm_ipa_dev *dev);
-
-static int ecm_ipa_rules_cfg(struct ecm_ipa_dev *dev,
- const void *dst_mac, const void *src_mac);
-static int ecm_ipa_register_properties(void);
-static void ecm_ipa_deregister_properties(void);
-static int ecm_ipa_debugfs_init(struct ecm_ipa_dev *dev);
-static void ecm_ipa_debugfs_destroy(struct ecm_ipa_dev *dev);
-static int ecm_ipa_debugfs_dma_open(struct inode *inode, struct file *file);
+static int resource_request(struct ecm_ipa_dev *dev);
+static void resource_release(struct ecm_ipa_dev *dev);
+static netdev_tx_t ecm_ipa_start_xmit(struct sk_buff *skb,
+ struct net_device *net);
static int ecm_ipa_debugfs_atomic_open(struct inode *inode, struct file *file);
+static ssize_t ecm_ipa_debugfs_enable_write_dma(struct file *file,
+ const char __user *buf, size_t count, loff_t *ppos);
+static int ecm_ipa_debugfs_dma_open(struct inode *inode, struct file *file);
+static ssize_t ecm_ipa_debugfs_enable_write(struct file *file,
+ const char __user *buf, size_t count, loff_t *ppos);
static ssize_t ecm_ipa_debugfs_enable_read(struct file *file,
char __user *ubuf, size_t count, loff_t *ppos);
static ssize_t ecm_ipa_debugfs_atomic_read(struct file *file,
char __user *ubuf, size_t count, loff_t *ppos);
-static ssize_t ecm_ipa_debugfs_enable_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static ssize_t ecm_ipa_debugfs_enable_write_dma(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static void eth_get_drvinfo(struct net_device *net,
- struct ethtool_drvinfo *drv_info);
+static int ecm_ipa_debugfs_init(struct ecm_ipa_dev *dev);
+static void ecm_ipa_debugfs_destroy(struct ecm_ipa_dev *dev);
+static int ecm_ipa_ep_registers_cfg(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl);
+static int ecm_ipa_ep_registers_dma_cfg(u32 usb_to_ipa_hdl);
+static int ecm_ipa_set_device_ethernet_addr(u8 *dev_ethaddr,
+ u8 device_ethaddr[]);
+static int ecm_ipa_init_module(void);
+static void ecm_ipa_cleanup_module(void);
static const struct net_device_ops ecm_ipa_netdev_ops = {
.ndo_open = ecm_ipa_open,
@@ -133,24 +133,352 @@
.ndo_set_mac_address = eth_mac_addr,
};
-static const struct ethtool_ops ops = {
- .get_drvinfo = eth_get_drvinfo,
- .get_link = ethtool_op_get_link,
-};
-
const struct file_operations ecm_ipa_debugfs_dma_ops = {
- .open = ecm_ipa_debugfs_dma_open,
+ .open = ecm_ipa_debugfs_dma_open,
.read = ecm_ipa_debugfs_enable_read,
.write = ecm_ipa_debugfs_enable_write_dma,
};
const struct file_operations ecm_ipa_debugfs_atomic_ops = {
- .open = ecm_ipa_debugfs_atomic_open,
- .read = ecm_ipa_debugfs_atomic_read,
+ .open = ecm_ipa_debugfs_atomic_open,
+ .read = ecm_ipa_debugfs_atomic_read,
};
/**
- * ecm_ipa_init() - initializes internal data structures
+ * ecm_ipa_init() - create network device and initializes internal
+ * data structures
+ * @params: in/out parameters required for ecm_ipa initialization
+ *
+ * Shall be called prior to pipe connection.
+ * The out parameters (the callbacks) shall be supplied to ipa_connect.
+ * Detailed description:
+ * - allocate the network device
+ * - set default values for driver internals
+ * - create debugfs folder and files
+ * - create IPA resource manager client
+ * - add header insertion rules for IPA driver (based on host/device
+ * Ethernet addresses given in input params)
+ * - register tx/rx properties to IPA driver (will be later used
+ * by IPA configuration manager to configure reset of the IPA rules)
+ * - set the carrier state to "off" (until ecm_ipa_connect is called)
+ * - register the network device
+ * - set the out parameters
+ *
+ * Returns negative errno, or zero on success
+ */
+int ecm_ipa_init(struct ecm_ipa_params *params)
+{
+ int result = 0;
+ struct net_device *net;
+ struct ecm_ipa_dev *dev;
+
+ ECM_IPA_LOG_ENTRY();
+ pr_debug("%s initializing\n", DRIVER_NAME);
+ NULL_CHECK(params);
+
+ pr_debug("host_ethaddr=%pM, device_ethaddr=%pM\n",
+ params->host_ethaddr,
+ params->device_ethaddr);
+
+ net = alloc_etherdev(sizeof(struct ecm_ipa_dev));
+ if (!net) {
+ result = -ENOMEM;
+ ECM_IPA_ERROR("fail to allocate etherdev\n");
+ goto fail_alloc_etherdev;
+ }
+ pr_debug("network device was successfully allocated\n");
+
+ dev = netdev_priv(net);
+ memset(dev, 0, sizeof(*dev));
+ dev->net = net;
+ ecm_ipa_ctx = dev;
+ dev->tx_enable = true;
+ dev->rx_enable = true;
+ dev->rm_enable = true;
+ dev->outstanding_high = DEFAULT_OUTSTANDING_HIGH;
+ dev->outstanding_low = DEFAULT_OUTSTANDING_LOW;
+ atomic_set(&dev->outstanding_pkts, 0);
+ snprintf(net->name, sizeof(net->name), "%s%%d", "ecm");
+ net->netdev_ops = &ecm_ipa_netdev_ops;
+ pr_debug("internal data structures were intialized and defaults set\n");
+
+ result = ecm_ipa_debugfs_init(dev);
+ if (result)
+ goto fail_debugfs;
+ pr_debug("debugfs entries were created\n");
+
+ result = ecm_ipa_create_rm_resource(dev);
+ if (result) {
+ ECM_IPA_ERROR("fail on RM create\n");
+ goto fail_create_rm;
+ }
+ pr_debug("RM resource was created\n");
+
+ result = ecm_ipa_set_device_ethernet_addr(net->dev_addr,
+ params->device_ethaddr);
+ if (result) {
+ ECM_IPA_ERROR("set device MAC failed\n");
+ goto fail_set_device_ethernet;
+ }
+ pr_debug("Device Ethernet address set %pM\n", net->dev_addr);
+
+ result = ecm_ipa_rules_cfg(dev, params->host_ethaddr,
+ params->device_ethaddr);
+ if (result) {
+ ECM_IPA_ERROR("fail on ipa rules set\n");
+ goto fail_rules_cfg;
+ }
+ pr_debug("Ethernet header insertion set\n");
+
+ result = ecm_ipa_register_properties();
+ if (result) {
+ ECM_IPA_ERROR("fail on properties set\n");
+ goto fail_register_tx;
+ }
+ pr_debug("ecm_ipa 2 Tx and 2 Rx properties were registered\n");
+
+ netif_carrier_off(net);
+ pr_debug("set carrier off\n");
+
+ result = register_netdev(net);
+ if (result) {
+ ECM_IPA_ERROR("register_netdev failed: %d\n", result);
+ goto fail_register_netdev;
+ }
+ pr_debug("register_netdev succeeded\n");
+
+ params->ecm_ipa_rx_dp_notify = ecm_ipa_packet_receive_notify;
+ params->ecm_ipa_tx_dp_notify = ecm_ipa_tx_complete_notify;
+ params->private = (void *)dev;
+ ECM_IPA_LOG_EXIT();
+
+ return 0;
+
+fail_register_netdev:
+ ecm_ipa_deregister_properties();
+fail_register_tx:
+ ecm_ipa_rules_destroy(dev);
+fail_set_device_ethernet:
+fail_rules_cfg:
+ ecm_ipa_destory_rm_resource(dev);
+fail_create_rm:
+ ecm_ipa_debugfs_destroy(dev);
+fail_debugfs:
+ free_netdev(net);
+fail_alloc_etherdev:
+ return result;
+}
+EXPORT_SYMBOL(ecm_ipa_init);
+
+
+int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,
+ void *priv)
+{
+ struct ecm_ipa_dev *dev = priv;
+
+ ECM_IPA_LOG_ENTRY();
+ NULL_CHECK(priv);
+ pr_debug("usb_to_ipa_hdl = %d, ipa_to_usb_hdl = %d, priv=0x%p\n",
+ usb_to_ipa_hdl, ipa_to_usb_hdl, priv);
+
+ if (!usb_to_ipa_hdl || usb_to_ipa_hdl >= IPA_CLIENT_MAX) {
+ ECM_IPA_ERROR("usb_to_ipa_hdl(%d) is not a valid ipa handle\n",
+ usb_to_ipa_hdl);
+ return -EINVAL;
+ }
+ if (!ipa_to_usb_hdl || ipa_to_usb_hdl >= IPA_CLIENT_MAX) {
+ ECM_IPA_ERROR("ipa_to_usb_hdl(%d) is not a valid ipa handle\n",
+ ipa_to_usb_hdl);
+ return -EINVAL;
+ }
+ dev->ipa_to_usb_hdl = ipa_to_usb_hdl;
+ dev->usb_to_ipa_hdl = usb_to_ipa_hdl;
+ ecm_ipa_ep_registers_cfg(usb_to_ipa_hdl, ipa_to_usb_hdl);
+ pr_debug("end-point configured\n");
+
+ netif_carrier_on(dev->net);
+ if (!netif_carrier_ok(dev->net)) {
+ ECM_IPA_ERROR("netif_carrier_ok error\n");
+ return -EBUSY;
+ }
+ pr_debug("carrier_on notified, ecm_ipa is operational\n");
+
+ ECM_IPA_LOG_EXIT();
+ return 0;
+}
+EXPORT_SYMBOL(ecm_ipa_connect);
+
+static int ecm_ipa_open(struct net_device *net)
+{
+ struct ecm_ipa_dev *dev;
+ ECM_IPA_LOG_ENTRY();
+
+ dev = netdev_priv(net);
+
+ if (!netif_carrier_ok(net))
+ pr_debug("carrier is not ON yet - continuing\n");
+
+ netif_start_queue(net);
+ pr_debug("queue started\n");
+
+ ECM_IPA_LOG_EXIT();
+ return 0;
+}
+
+/**
+ * ecm_ipa_start_xmit() - send data from APPs to USB core via IPA core
+ * @skb: packet received from Linux stack
+ * @net: the network device being used to send this packet
+ *
+ * Several conditions needed in order to send the packet to IPA:
+ * - we are in a valid state were the queue is not stopped
+ * - Filter Tx switch is turned off
+ * - The resources required for actual Tx are all up
+ *
+ */
+static netdev_tx_t ecm_ipa_start_xmit(struct sk_buff *skb,
+ struct net_device *net)
+{
+ int ret;
+ netdev_tx_t status = NETDEV_TX_BUSY;
+ struct ecm_ipa_dev *dev = netdev_priv(net);
+
+ if (unlikely(netif_queue_stopped(net))) {
+ ECM_IPA_ERROR("interface queue is stopped\n");
+ goto out;
+ }
+
+ if (unlikely(tx_filter(skb))) {
+ dev_kfree_skb_any(skb);
+ pr_debug("packet got filtered out on Tx path\n");
+ status = NETDEV_TX_OK;
+ goto out;
+ }
+ ret = resource_request(dev);
+ if (ret) {
+ pr_debug("Waiting to resource\n");
+ netif_stop_queue(net);
+ goto resource_busy;
+ }
+
+ if (atomic_read(&dev->outstanding_pkts) >= dev->outstanding_high) {
+ pr_debug("Outstanding high boundary reached (%d)- stopping queue\n",
+ dev->outstanding_high);
+ netif_stop_queue(net);
+ status = -NETDEV_TX_BUSY;
+ goto out;
+ }
+
+ ret = ipa_tx_dp(IPA_TO_USB_CLIENT, skb, NULL);
+ if (ret) {
+ ECM_IPA_ERROR("ipa transmit failed (%d)\n", ret);
+ goto fail_tx_packet;
+ }
+
+ atomic_inc(&dev->outstanding_pkts);
+ net->stats.tx_packets++;
+ net->stats.tx_bytes += skb->len;
+ status = NETDEV_TX_OK;
+ goto out;
+
+fail_tx_packet:
+out:
+ resource_release(dev);
+resource_busy:
+ return status;
+}
+
+/**
+ * ecm_ipa_packet_receive_notify() - Rx notify
+ *
+ * @priv: ecm driver context
+ * @evt: event type
+ * @data: data provided with event
+ *
+ * IPA will pass a packet with skb->data pointing to Ethernet packet frame
+ */
+static void ecm_ipa_packet_receive_notify(void *priv,
+ enum ipa_dp_evt_type evt,
+ unsigned long data)
+{
+ struct sk_buff *skb = (struct sk_buff *)data;
+ struct ecm_ipa_dev *dev = priv;
+ int result;
+
+ if (evt != IPA_RECEIVE) {
+ ECM_IPA_ERROR("A none IPA_RECEIVE event in ecm_ipa_receive\n");
+ return;
+ }
+
+ skb->dev = dev->net;
+ skb->protocol = eth_type_trans(skb, dev->net);
+ if (rx_filter(skb)) {
+ pr_debug("packet got filtered out on Rx path\n");
+ dev_kfree_skb_any(skb);
+ return;
+ }
+
+ result = netif_rx(skb);
+ if (result)
+ ECM_IPA_ERROR("fail on netif_rx\n");
+ dev->net->stats.rx_packets++;
+ dev->net->stats.rx_bytes += skb->len;
+
+ return;
+}
+
+static int ecm_ipa_stop(struct net_device *net)
+{
+ ECM_IPA_LOG_ENTRY();
+ pr_debug("stopping net device\n");
+ netif_stop_queue(net);
+ ECM_IPA_LOG_EXIT();
+ return 0;
+}
+
+int ecm_ipa_disconnect(void *priv)
+{
+ struct ecm_ipa_dev *dev = priv;
+ ECM_IPA_LOG_ENTRY();
+ NULL_CHECK(dev);
+ pr_debug("priv=0x%p\n", priv);
+ netif_carrier_off(dev->net);
+ ECM_IPA_LOG_EXIT();
+ return 0;
+}
+EXPORT_SYMBOL(ecm_ipa_disconnect);
+
+
+/**
+ * ecm_ipa_cleanup() - destroys all
+ * ecm information
+ * @priv: main driver context parameters
+ *
+ */
+void ecm_ipa_cleanup(void *priv)
+{
+ struct ecm_ipa_dev *dev = priv;
+ ECM_IPA_LOG_ENTRY();
+ pr_debug("priv=0x%p\n", priv);
+ if (!dev) {
+ ECM_IPA_ERROR("dev NULL pointer\n");
+ return;
+ }
+
+ ecm_ipa_destory_rm_resource(dev);
+ ecm_ipa_debugfs_destroy(dev);
+
+ unregister_netdev(dev->net);
+ free_netdev(dev->net);
+
+ pr_debug("cleanup done\n");
+ ecm_ipa_ctx = NULL;
+ ECM_IPA_LOG_EXIT();
+ return ;
+}
+EXPORT_SYMBOL(ecm_ipa_cleanup);
+
+/**
* @ecm_ipa_rx_dp_notify: supplied callback to be called by the IPA
* driver upon data packets received from USB pipe into IPA core.
* @ecm_ipa_rt_dp_notify: supplied callback to be called by the IPA
@@ -167,54 +495,7 @@
*
* Returns negative errno, or zero on success
*/
-int ecm_ipa_init(ecm_ipa_callback *ecm_ipa_rx_dp_notify,
- ecm_ipa_callback *ecm_ipa_tx_dp_notify,
- void **priv)
-{
- int ret = 0;
- struct net_device *net;
- struct ecm_ipa_dev *dev;
- ECM_IPA_LOG_ENTRY();
- pr_debug("%s initializing\n", DRIVER_NAME);
- NULL_CHECK(ecm_ipa_rx_dp_notify);
- NULL_CHECK(ecm_ipa_tx_dp_notify);
- NULL_CHECK(priv);
- pr_debug("rx_cb=0x%p, tx_cb=0x%p priv=0x%p\n",
- ecm_ipa_rx_dp_notify, ecm_ipa_tx_dp_notify, *priv);
- net = alloc_etherdev(sizeof(struct ecm_ipa_dev));
- if (!net) {
- ret = -ENOMEM;
- ECM_IPA_ERROR("fail to allocate etherdev\n");
- goto fail_alloc_etherdev;
- }
- pr_debug("etherdev was successfully allocated\n");
- dev = netdev_priv(net);
- memset(dev, 0, sizeof(*dev));
- dev->tx_enable = true;
- dev->rx_enable = true;
- atomic_set(&dev->outstanding_pkts, 0);
- dev->outstanding_high = DEFAULT_OUTSTANDING_HIGH;
- dev->outstanding_low = DEFAULT_OUTSTANDING_LOW;
- dev->net = net;
- ecm_ipa_ctx = dev;
- *priv = (void *)dev;
- snprintf(net->name, sizeof(net->name), "%s%%d", "ecm");
- net->netdev_ops = &ecm_ipa_netdev_ops;
- pr_debug("internal data structures were intialized\n");
- ret = ecm_ipa_debugfs_init(dev);
- if (ret)
- goto fail_debugfs;
- pr_debug("debugfs entries were created\n");
- *ecm_ipa_rx_dp_notify = ecm_ipa_packet_receive_notify;
- *ecm_ipa_tx_dp_notify = ecm_ipa_tx_complete_notify;
- ECM_IPA_LOG_EXIT();
- return 0;
-fail_debugfs:
- free_netdev(net);
-fail_alloc_etherdev:
- return ret;
-}
-EXPORT_SYMBOL(ecm_ipa_init);
+
/**
* ecm_ipa_rules_cfg() - set header insertion and register Tx/Rx properties
@@ -390,106 +671,6 @@
*
* Returns negative errno, or zero on success
*/
-int ecm_ipa_configure(u8 host_ethaddr[], u8 device_ethaddr[],
- void *priv)
-{
- struct ecm_ipa_dev *dev = priv;
- struct net_device *net;
- int result;
- ECM_IPA_LOG_ENTRY();
- NULL_CHECK(host_ethaddr);
- NULL_CHECK(host_ethaddr);
- NULL_CHECK(dev);
- net = dev->net;
- NULL_CHECK(net);
- pr_debug("priv=0x%p, host_ethaddr=%pM device_ethaddr=%pM\n",
- priv, host_ethaddr, device_ethaddr);
- result = ecm_ipa_create_rm_resource(dev);
- if (result) {
- ECM_IPA_ERROR("fail on RM create\n");
- return -EINVAL;
- }
- pr_debug("RM resource was created\n");
- netif_carrier_off(dev->net);
- result = ecm_ipa_set_device_ethernet_addr(net->dev_addr,
- device_ethaddr);
- if (result) {
- ECM_IPA_ERROR("set device MAC failed\n");
- goto fail_set_device_ethernet;
- }
- result = ecm_ipa_rules_cfg(dev, host_ethaddr, device_ethaddr);
- if (result) {
- ECM_IPA_ERROR("fail on ipa rules set\n");
- goto fail_set_device_ethernet;
- }
- pr_debug("Ethernet header insertion was set\n");
- result = ecm_ipa_register_properties();
- if (result) {
- ECM_IPA_ERROR("fail on properties set\n");
- goto fail_register_tx;
- }
- pr_debug("ECM 2 Tx and 2 Rx properties were registered\n");
- result = register_netdev(net);
- if (result) {
- ECM_IPA_ERROR("register_netdev failed: %d\n", result);
- goto fail_register_netdev;
- }
- pr_debug("register_netdev succeeded\n");
- ECM_IPA_LOG_EXIT();
- return 0;
-fail_register_netdev:
- ecm_ipa_deregister_properties();
-fail_register_tx:
-fail_set_device_ethernet:
- ecm_ipa_rules_destroy(dev);
- ecm_ipa_destory_rm_resource(dev);
- free_netdev(net);
- return result;
-}
-EXPORT_SYMBOL(ecm_ipa_configure);
-
-int ecm_ipa_connect(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl,
- void *priv)
-{
- struct ecm_ipa_dev *dev = priv;
- ECM_IPA_LOG_ENTRY();
- NULL_CHECK(priv);
- pr_debug("usb_to_ipa_hdl = %d, ipa_to_usb_hdl = %d, priv=0x%p\n",
- usb_to_ipa_hdl, ipa_to_usb_hdl, priv);
- if (!usb_to_ipa_hdl || usb_to_ipa_hdl >= IPA_CLIENT_MAX) {
- ECM_IPA_ERROR("usb_to_ipa_hdl(%d) is not a valid ipa handle\n",
- usb_to_ipa_hdl);
- return -EINVAL;
- }
- if (!ipa_to_usb_hdl || ipa_to_usb_hdl >= IPA_CLIENT_MAX) {
- ECM_IPA_ERROR("ipa_to_usb_hdl(%d) is not a valid ipa handle\n",
- ipa_to_usb_hdl);
- return -EINVAL;
- }
- dev->ipa_to_usb_hdl = ipa_to_usb_hdl;
- dev->usb_to_ipa_hdl = usb_to_ipa_hdl;
- ecm_ipa_ep_registers_cfg(usb_to_ipa_hdl, ipa_to_usb_hdl);
- netif_carrier_on(dev->net);
- if (!netif_carrier_ok(dev->net)) {
- ECM_IPA_ERROR("netif_carrier_ok error\n");
- return -EBUSY;
- }
- ECM_IPA_LOG_EXIT();
- return 0;
-}
-EXPORT_SYMBOL(ecm_ipa_connect);
-
-int ecm_ipa_disconnect(void *priv)
-{
- struct ecm_ipa_dev *dev = priv;
- ECM_IPA_LOG_ENTRY();
- NULL_CHECK(dev);
- pr_debug("priv=0x%p\n", priv);
- netif_carrier_off(dev->net);
- ECM_IPA_LOG_EXIT();
- return 0;
-}
-EXPORT_SYMBOL(ecm_ipa_disconnect);
static void ecm_ipa_rm_notify(void *user_data, enum ipa_rm_event event,
@@ -551,12 +732,18 @@
static void ecm_ipa_destory_rm_resource(struct ecm_ipa_dev *dev)
{
+ int result;
+
ECM_IPA_LOG_ENTRY();
+
if (!dev->rm_enable)
return;
ipa_rm_delete_dependency(IPA_RM_RESOURCE_STD_ECM_PROD,
IPA_RM_RESOURCE_USB_CONS);
ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_STD_ECM_PROD);
+ result = ipa_rm_delete_resource(IPA_RM_RESOURCE_STD_ECM_PROD);
+ if (result)
+ ECM_IPA_ERROR("resource deletion failed\n");
ECM_IPA_LOG_EXIT();
}
@@ -578,52 +765,6 @@
return dev->rm_enable;
}
-static int ecm_ipa_open(struct net_device *net)
-{
- ECM_IPA_LOG_ENTRY();
- netif_start_queue(net);
- ECM_IPA_LOG_EXIT();
- return 0;
-}
-
-static int ecm_ipa_stop(struct net_device *net)
-{
- ECM_IPA_LOG_ENTRY();
- pr_debug("stopping net device\n");
- netif_stop_queue(net);
- ECM_IPA_LOG_EXIT();
- return 0;
-}
-
-/**
- * ecm_ipa_cleanup() - destroys all
- * ecm information
- * @priv: main driver context parameters
- *
- */
-void ecm_ipa_cleanup(void *priv)
-{
- struct ecm_ipa_dev *dev = priv;
- ECM_IPA_LOG_ENTRY();
- pr_debug("priv=0x%p\n", priv);
- if (!dev) {
- ECM_IPA_ERROR("dev NULL pointer\n");
- return;
- }
-
- ecm_ipa_destory_rm_resource(dev);
- ecm_ipa_debugfs_destroy(dev);
-
- unregister_netdev(dev->net);
- free_netdev(dev->net);
-
- pr_debug("cleanup done\n");
- ecm_ipa_ctx = NULL;
- ECM_IPA_LOG_EXIT();
- return ;
-}
-EXPORT_SYMBOL(ecm_ipa_cleanup);
-
static int resource_request(struct ecm_ipa_dev *dev)
{
int result = 0;
@@ -646,108 +787,6 @@
}
/**
- * ecm_ipa_start_xmit() - send data from APPs to USB core via IPA core
- * @skb: packet received from Linux stack
- * @net: the network device being used to send this packet
- *
- * Several conditions needed in order to send the packet to IPA:
- * - we are in a valid state were the queue is not stopped
- * - Filter Tx switch is turned off
- * - The resources required for actual Tx are all up
- *
- */
-static netdev_tx_t ecm_ipa_start_xmit(struct sk_buff *skb,
- struct net_device *net)
-{
- int ret;
- netdev_tx_t status = NETDEV_TX_BUSY;
- struct ecm_ipa_dev *dev = netdev_priv(net);
-
- if (unlikely(netif_queue_stopped(net))) {
- ECM_IPA_ERROR("interface queue is stopped\n");
- goto out;
- }
-
- if (unlikely(tx_filter(skb))) {
- dev_kfree_skb_any(skb);
- pr_debug("packet got filtered out on Tx path\n");
- status = NETDEV_TX_OK;
- goto out;
- }
- ret = resource_request(dev);
- if (ret) {
- pr_debug("Waiting to resource\n");
- netif_stop_queue(net);
- goto resource_busy;
- }
-
- if (atomic_read(&dev->outstanding_pkts) >= dev->outstanding_high) {
- pr_debug("Outstanding high boundary reached (%d)- stopping queue\n",
- dev->outstanding_high);
- netif_stop_queue(net);
- status = -NETDEV_TX_BUSY;
- goto out;
- }
-
- ret = ipa_tx_dp(IPA_TO_USB_CLIENT, skb, NULL);
- if (ret) {
- ECM_IPA_ERROR("ipa transmit failed (%d)\n", ret);
- goto fail_tx_packet;
- }
-
- atomic_inc(&dev->outstanding_pkts);
- net->stats.tx_packets++;
- net->stats.tx_bytes += skb->len;
- status = NETDEV_TX_OK;
- goto out;
-
-fail_tx_packet:
-out:
- resource_release(dev);
-resource_busy:
- return status;
-}
-
-/**
- * ecm_ipa_packet_receive_notify() - Rx notify
- *
- * @priv: ecm driver context
- * @evt: event type
- * @data: data provided with event
- *
- * IPA will pass a packet with skb->data pointing to Ethernet packet frame
- */
-void ecm_ipa_packet_receive_notify(void *priv,
- enum ipa_dp_evt_type evt,
- unsigned long data)
-{
- struct sk_buff *skb = (struct sk_buff *)data;
- struct ecm_ipa_dev *dev = priv;
- int result;
-
- if (evt != IPA_RECEIVE) {
- ECM_IPA_ERROR("A none IPA_RECEIVE event in ecm_ipa_receive\n");
- return;
- }
-
- skb->dev = dev->net;
- skb->protocol = eth_type_trans(skb, dev->net);
- if (rx_filter(skb)) {
- pr_debug("packet got filtered out on Rx path\n");
- dev_kfree_skb_any(skb);
- return;
- }
-
- result = netif_rx(skb);
- if (result)
- ECM_IPA_ERROR("fail on netif_rx\n");
- dev->net->stats.rx_packets++;
- dev->net->stats.rx_bytes += skb->len;
-
- return;
-}
-
-/**
* ecm_ipa_tx_complete_notify() - Rx notify
*
* @priv: ecm driver context
@@ -757,7 +796,7 @@
* Check that the packet is the one we sent and release it
* This function will be called in defered context in IPA wq.
*/
-void ecm_ipa_tx_complete_notify(void *priv,
+static void ecm_ipa_tx_complete_notify(void *priv,
enum ipa_dp_evt_type evt,
unsigned long data)
{
@@ -948,15 +987,6 @@
debugfs_remove_recursive(dev->directory);
}
-static void eth_get_drvinfo(struct net_device *net,
- struct ethtool_drvinfo *drv_info)
-{
- ECM_IPA_LOG_ENTRY();
- strlcpy(drv_info->driver, DRIVER_NAME, sizeof(drv_info->driver));
- ECM_IPA_LOG_EXIT();
-}
-
-
/**
* ecm_ipa_ep_cfg() - configure the USB endpoints for ECM
*
@@ -972,7 +1002,7 @@
* - No aggregation
* - Add Ethernet header
*/
-int ecm_ipa_ep_registers_cfg(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl)
+static int ecm_ipa_ep_registers_cfg(u32 usb_to_ipa_hdl, u32 ipa_to_usb_hdl)
{
int result = 0;
struct ipa_ep_cfg usb_to_ipa_ep_cfg;
@@ -1014,7 +1044,7 @@
* which is needed for cores that does not support blocks logic
* Note that client handles are the actual pipe index
*/
-int ecm_ipa_ep_registers_dma_cfg(u32 usb_to_ipa_hdl)
+static int ecm_ipa_ep_registers_dma_cfg(u32 usb_to_ipa_hdl)
{
int result = 0;
struct ipa_ep_cfg_mode cfg_mode;
@@ -1050,7 +1080,8 @@
*
* Returns 0 for success, negative otherwise
*/
-int ecm_ipa_set_device_ethernet_addr(u8 *dev_ethaddr, u8 device_ethaddr[])
+static int ecm_ipa_set_device_ethernet_addr(u8 *dev_ethaddr,
+ u8 device_ethaddr[])
{
if (!is_valid_ether_addr(device_ethaddr))
return -EINVAL;
diff --git a/drivers/platform/msm/ipa/a2_service.c b/drivers/platform/msm/ipa/a2_service.c
index bbf9719..26353ec 100644
--- a/drivers/platform/msm/ipa/a2_service.c
+++ b/drivers/platform/msm/ipa/a2_service.c
@@ -86,8 +86,10 @@
struct list_head bam_tx_pool;
spinlock_t bam_tx_pool_spinlock;
struct workqueue_struct *a2_mux_tx_workqueue;
+ struct workqueue_struct *a2_mux_rx_workqueue;
int a2_mux_initialized;
bool bam_is_connected;
+ bool bam_connect_in_progress;
int a2_mux_send_power_vote_on_init_once;
int a2_mux_sw_bridge_is_connected;
u32 a2_device_handle;
@@ -237,7 +239,6 @@
INIT_COMPLETION(a2_mux_ctx->ul_wakeup_ack_completion);
power_vote(0);
}
- a2_mux_ctx->bam_is_connected = false;
}
static void ul_wakeup(void)
@@ -245,7 +246,8 @@
int ret;
mutex_lock(&a2_mux_ctx->wakeup_lock);
- if (a2_mux_ctx->bam_is_connected) {
+ if (a2_mux_ctx->bam_is_connected &&
+ !a2_mux_ctx->bam_connect_in_progress) {
IPADBG("%s Already awake\n", __func__);
mutex_unlock(&a2_mux_ctx->wakeup_lock);
return;
@@ -259,7 +261,6 @@
grab_wakelock();
else
a2_mux_ctx->a2_pc_disabled_wakelock_skipped = 1;
- a2_mux_ctx->bam_is_connected = true;
mutex_unlock(&a2_mux_ctx->wakeup_lock);
return;
}
@@ -298,7 +299,6 @@
goto bail;
}
}
- a2_mux_ctx->bam_is_connected = true;
IPADBG("%s complete\n", __func__);
mutex_unlock(&a2_mux_ctx->wakeup_lock);
return;
@@ -367,26 +367,82 @@
dev_kfree_skb_any(skb);
}
+static bool msm_bam_dmux_kickoff_ul_power_down(void)
+
+{
+ bool is_connected;
+
+ write_lock(&a2_mux_ctx->ul_wakeup_lock);
+ if (a2_mux_ctx->bam_connect_in_progress) {
+ a2_mux_ctx->bam_is_connected = false;
+ is_connected = true;
+ } else {
+ is_connected = a2_mux_ctx->bam_is_connected;
+ a2_mux_ctx->bam_is_connected = false;
+ if (is_connected) {
+ a2_mux_ctx->bam_connect_in_progress = true;
+ queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
+ &a2_mux_ctx->kickoff_ul_power_down);
+ }
+ }
+ write_unlock(&a2_mux_ctx->ul_wakeup_lock);
+ return is_connected;
+}
+
+static bool msm_bam_dmux_kickoff_ul_wakeup(void)
+{
+ bool is_connected;
+
+ write_lock(&a2_mux_ctx->ul_wakeup_lock);
+ if (a2_mux_ctx->bam_connect_in_progress) {
+ a2_mux_ctx->bam_is_connected = true;
+ is_connected = false;
+ } else {
+ is_connected = a2_mux_ctx->bam_is_connected;
+ a2_mux_ctx->bam_is_connected = true;
+ if (!is_connected) {
+ a2_mux_ctx->bam_connect_in_progress = true;
+ queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
+ &a2_mux_ctx->kickoff_ul_wakeup);
+ }
+ }
+ write_unlock(&a2_mux_ctx->ul_wakeup_lock);
+ return is_connected;
+}
+
static void kickoff_ul_power_down_func(struct work_struct *work)
{
- unsigned long flags;
+ bool is_connected;
- write_lock_irqsave(&a2_mux_ctx->ul_wakeup_lock, flags);
- if (a2_mux_ctx->bam_is_connected) {
- IPADBG("%s: UL active - forcing powerdown\n", __func__);
- ul_powerdown();
- }
- write_unlock_irqrestore(&a2_mux_ctx->ul_wakeup_lock, flags);
- ipa_rm_notify_completion(IPA_RM_RESOURCE_RELEASED,
- IPA_RM_RESOURCE_A2_CONS);
+ IPADBG("%s: UL active - forcing powerdown\n", __func__);
+ ul_powerdown();
+ write_lock(&a2_mux_ctx->ul_wakeup_lock);
+ is_connected = a2_mux_ctx->bam_is_connected;
+ a2_mux_ctx->bam_is_connected = false;
+ a2_mux_ctx->bam_connect_in_progress = false;
+ write_unlock(&a2_mux_ctx->ul_wakeup_lock);
+ if (is_connected)
+ msm_bam_dmux_kickoff_ul_wakeup();
+ else
+ ipa_rm_notify_completion(IPA_RM_RESOURCE_RELEASED,
+ IPA_RM_RESOURCE_A2_CONS);
}
static void kickoff_ul_wakeup_func(struct work_struct *work)
{
- if (!a2_mux_ctx->bam_is_connected)
- ul_wakeup();
- ipa_rm_notify_completion(IPA_RM_RESOURCE_GRANTED,
+ bool is_connected;
+
+ ul_wakeup();
+ write_lock(&a2_mux_ctx->ul_wakeup_lock);
+ is_connected = a2_mux_ctx->bam_is_connected;
+ a2_mux_ctx->bam_is_connected = true;
+ a2_mux_ctx->bam_connect_in_progress = false;
+ write_unlock(&a2_mux_ctx->ul_wakeup_lock);
+ if (is_connected)
+ ipa_rm_notify_completion(IPA_RM_RESOURCE_GRANTED,
IPA_RM_RESOURCE_A2_CONS);
+ else
+ msm_bam_dmux_kickoff_ul_power_down();
}
static void kickoff_ul_request_resource_func(struct work_struct *work)
@@ -414,33 +470,6 @@
toggle_apps_ack();
}
-static bool msm_bam_dmux_kickoff_ul_wakeup(void)
-{
- bool is_connected;
-
- read_lock(&a2_mux_ctx->ul_wakeup_lock);
- is_connected = a2_mux_ctx->bam_is_connected;
- read_unlock(&a2_mux_ctx->ul_wakeup_lock);
- if (!is_connected)
- queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
- &a2_mux_ctx->kickoff_ul_wakeup);
- return is_connected;
-}
-
-static bool msm_bam_dmux_kickoff_ul_power_down(void)
-
-{
- bool is_connected;
-
- read_lock(&a2_mux_ctx->ul_wakeup_lock);
- is_connected = a2_mux_ctx->bam_is_connected;
- read_unlock(&a2_mux_ctx->ul_wakeup_lock);
- if (is_connected)
- queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
- &a2_mux_ctx->kickoff_ul_power_down);
- return is_connected;
-}
-
static void ipa_embedded_notify(void *priv,
enum ipa_dp_evt_type evt,
unsigned long data)
@@ -631,7 +660,7 @@
IPA_STATS_INC_CNT(ipa_ctx->stats.a2_power_on_reqs_in);
grab_wakelock();
(void) connect_to_bam();
- queue_work(a2_mux_ctx->a2_mux_tx_workqueue,
+ queue_work(a2_mux_ctx->a2_mux_rx_workqueue,
&a2_mux_ctx->kickoff_ul_request_resource);
} else if (!(new_state & SMSM_A2_POWER_CONTROL)) {
IPADBG("%s: MODEM PWR CTRL 0\n", __func__);
@@ -926,7 +955,8 @@
}
spin_unlock_irqrestore(&a2_mux_ctx->bam_ch[id].lock, flags);
read_lock(&a2_mux_ctx->ul_wakeup_lock);
- is_connected = a2_mux_ctx->bam_is_connected;
+ is_connected = a2_mux_ctx->bam_is_connected &&
+ !a2_mux_ctx->bam_connect_in_progress;
read_unlock(&a2_mux_ctx->ul_wakeup_lock);
if (!is_connected)
return -ENODEV;
@@ -1230,7 +1260,8 @@
a2_mux_ctx->bam_ch[lcid].use_wm = 0;
spin_unlock_irqrestore(&a2_mux_ctx->bam_ch[lcid].lock, flags);
read_lock(&a2_mux_ctx->ul_wakeup_lock);
- is_connected = a2_mux_ctx->bam_is_connected;
+ is_connected = a2_mux_ctx->bam_is_connected &&
+ !a2_mux_ctx->bam_connect_in_progress;
read_unlock(&a2_mux_ctx->ul_wakeup_lock);
if (!is_connected)
return -ENODEV;
@@ -1299,7 +1330,8 @@
if (!a2_mux_ctx->a2_mux_initialized)
return -ENODEV;
read_lock(&a2_mux_ctx->ul_wakeup_lock);
- is_connected = a2_mux_ctx->bam_is_connected;
+ is_connected = a2_mux_ctx->bam_is_connected &&
+ !a2_mux_ctx->bam_connect_in_progress;
read_unlock(&a2_mux_ctx->ul_wakeup_lock);
if (!is_connected && !bam_ch_is_in_reset(lcid))
return -ENODEV;
@@ -1446,6 +1478,13 @@
__func__);
return -ENOMEM;
}
+ a2_mux_ctx->a2_mux_rx_workqueue =
+ create_singlethread_workqueue("a2_mux_rx");
+ if (!a2_mux_ctx->a2_mux_rx_workqueue) {
+ IPAERR("%s: a2_mux_rx_workqueue alloc failed\n",
+ __func__);
+ return -ENOMEM;
+ }
return 0;
}
@@ -1571,5 +1610,7 @@
NULL);
if (a2_mux_ctx->a2_mux_tx_workqueue)
destroy_workqueue(a2_mux_ctx->a2_mux_tx_workqueue);
+ if (a2_mux_ctx->a2_mux_rx_workqueue)
+ destroy_workqueue(a2_mux_ctx->a2_mux_rx_workqueue);
return 0;
}
diff --git a/drivers/platform/msm/ipa/ipa_client.c b/drivers/platform/msm/ipa/ipa_client.c
index a78879d..a95eafe 100644
--- a/drivers/platform/msm/ipa/ipa_client.c
+++ b/drivers/platform/msm/ipa/ipa_client.c
@@ -15,18 +15,14 @@
static void ipa_enable_data_path(u32 clnt_hdl)
{
- struct ipa_ep_context *ep = &ipa_ctx->ep[clnt_hdl];
-
if (ipa_ctx->ipa_hw_mode == IPA_HW_MODE_VIRTUAL) {
/* IPA_HW_MODE_VIRTUAL lacks support for TAG IC & EP suspend */
return;
}
- if (ipa_ctx->ipa_hw_type == IPA_HW_v1_1 && ep->suspended) {
+ if (ipa_ctx->ipa_hw_type == IPA_HW_v1_1)
ipa_write_reg(ipa_ctx->mmio,
IPA_ENDP_INIT_CTRL_n_OFST(clnt_hdl), 0);
- ep->suspended = false;
- }
}
static int ipa_disable_data_path(u32 clnt_hdl)
@@ -50,7 +46,7 @@
goto fail_alloc;
}
- if (ipa_ctx->ipa_hw_type == IPA_HW_v1_1 && !ep->suspended) {
+ if (ipa_ctx->ipa_hw_type == IPA_HW_v1_1) {
ipa_write_reg(ipa_ctx->mmio,
IPA_ENDP_INIT_CTRL_n_OFST(clnt_hdl), 1);
@@ -85,7 +81,6 @@
ep->cfg.aggr.aggr_en == IPA_ENABLE_AGGR &&
ep->cfg.aggr.aggr_time_limit)
msleep(ep->cfg.aggr.aggr_time_limit);
- ep->suspended = true;
}
return 0;
@@ -298,7 +293,9 @@
if (in->client == IPA_CLIENT_HSIC1_CONS ||
in->client == IPA_CLIENT_HSIC2_CONS ||
in->client == IPA_CLIENT_HSIC3_CONS ||
- in->client == IPA_CLIENT_HSIC4_CONS) {
+ in->client == IPA_CLIENT_HSIC4_CONS ||
+ in->client == IPA_CLIENT_A2_TETHERED_CONS ||
+ in->client == IPA_CLIENT_A2_EMBEDDED_CONS) {
IPADBG("disable holb for ep=%d tmr=%d\n", ipa_ep_idx,
ipa_ctx->hol_timer);
ipa_write_reg(ipa_ctx->mmio,
@@ -367,6 +364,11 @@
ep = &ipa_ctx->ep[clnt_hdl];
+ if (ep->suspended) {
+ ipa_inc_client_enable_clks();
+ ep->suspended = false;
+ }
+
result = ipa_disable_data_path(clnt_hdl);
if (result) {
IPAERR("disable data path failed res=%d clnt=%d.\n", result,
@@ -422,55 +424,79 @@
EXPORT_SYMBOL(ipa_disconnect);
/**
- * ipa_connection_suspend() - suspend B2B connection to/from IPA
+ * ipa_resume() - low-level IPA client resume
* @clnt_hdl: [in] opaque client handle assigned by IPA to client
*
- * Should be called by the driver of the peripheral that wants to suspend
- * its BAM-BAM connection to/from IPA in BAM-BAM mode. The pipe is not
- * disconnected and must later be resumed before data transfer can begin
+ * Should be called by the driver of the peripheral that wants to resume IPA
+ * connection. Resume IPA connection results in turning on IPA clocks in
+ * case they were off as a result of suspend.
+ * this api can be called only if a call to ipa_suspend() was
+ * made.
*
* Returns: 0 on success, negative on failure
*
* Note: Should not be called from atomic context
*/
-int ipa_connection_suspend(u32 clnt_hdl)
+int ipa_resume(u32 clnt_hdl)
{
- int result;
+ struct ipa_ep_context *ep;
if (clnt_hdl >= IPA_NUM_PIPES || ipa_ctx->ep[clnt_hdl].valid == 0) {
- IPAERR("bad parm.\n");
- return -EINVAL;
- }
- result = ipa_disable_data_path(clnt_hdl);
- if (result)
- IPAERR("disable data path failed res=%d clnt=%d.\n", result,
- clnt_hdl);
-
- return result;
-}
-EXPORT_SYMBOL(ipa_connection_suspend);
-
-/**
- * ipa_connection_resume() - resume B2B connection to/from IPA
- * @clnt_hdl: [in] opaque client handle assigned by IPA to client
- *
- * Should be called by the driver of the peripheral that wants to resume
- * its previously suspended BAM-BAM connection to/from IPA in BAM-BAM mode.
- *
- * Returns: 0 on success, negative on failure
- *
- * Note: Should not be called from atomic context
- */
-int ipa_connection_resume(u32 clnt_hdl)
-{
- if (clnt_hdl >= IPA_NUM_PIPES || ipa_ctx->ep[clnt_hdl].valid == 0) {
- IPAERR("bad parm.\n");
+ IPAERR("bad parm. clnt_hdl %d\n", clnt_hdl);
return -EINVAL;
}
- ipa_enable_data_path(clnt_hdl);
+ ep = &ipa_ctx->ep[clnt_hdl];
+
+ if (!ep->suspended) {
+ IPAERR("EP not suspended. clnt_hdl %d\n", clnt_hdl);
+ return -EPERM;
+ }
+
+ ipa_inc_client_enable_clks();
+ ep->suspended = false;
return 0;
}
-EXPORT_SYMBOL(ipa_connection_resume);
+EXPORT_SYMBOL(ipa_resume);
+/**
+* ipa_suspend() - low-level IPA client suspend
+* @clnt_hdl: [in] opaque client handle assigned by IPA to client
+*
+* Should be called by the driver of the peripheral that wants to suspend IPA
+* connection. Suspend IPA connection results in turning off IPA clocks in
+* case that there is no active clients using IPA. Pipes remains connected in
+* case of suspend.
+*
+* Returns: 0 on success, negative on failure
+*
+* Note: Should not be called from atomic context
+*/
+int ipa_suspend(u32 clnt_hdl)
+{
+ struct ipa_ep_context *ep;
+
+ if (clnt_hdl >= IPA_NUM_PIPES || ipa_ctx->ep[clnt_hdl].valid == 0) {
+ IPAERR("bad parm. clnt_hdl %d\n", clnt_hdl);
+ return -EINVAL;
+ }
+
+ ep = &ipa_ctx->ep[clnt_hdl];
+
+ if (ep->suspended) {
+ IPAERR("EP already suspended. clnt_hdl %d\n", clnt_hdl);
+ return -EPERM;
+ }
+
+ if (IPA_CLIENT_IS_CONS(ep->client) &&
+ ep->cfg.aggr.aggr_en == IPA_ENABLE_AGGR &&
+ ep->cfg.aggr.aggr_time_limit)
+ msleep(ep->cfg.aggr.aggr_time_limit);
+
+ ipa_dec_client_disable_clks();
+ ep->suspended = true;
+
+ return 0;
+}
+EXPORT_SYMBOL(ipa_suspend);
diff --git a/drivers/platform/msm/ipa/teth_bridge.c b/drivers/platform/msm/ipa/teth_bridge.c
index c28a5ee..9062ab8 100644
--- a/drivers/platform/msm/ipa/teth_bridge.c
+++ b/drivers/platform/msm/ipa/teth_bridge.c
@@ -1410,19 +1410,38 @@
goto bail;
}
- /* Request the BRIDGE_PROD resource */
+ /*
+ * Delete part of IPA resource manager dependency graph. Only the
+ * BRIDGE_PROD <-> A2 dependency remains intact
+ */
+ res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
+ IPA_RM_RESOURCE_USB_CONS);
+ if ((res != 0) && (res != -EINPROGRESS))
+ TETH_ERR(
+ "Failed deleting ipa_rm dependency BRIDGE_PROD <-> USB_CONS\n");
+ res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_USB_PROD,
+ IPA_RM_RESOURCE_A2_CONS);
+ if ((res != 0) && (res != -EINPROGRESS))
+ TETH_ERR(
+ "Failed deleting ipa_rm dependency USB_PROD <-> A2_CONS\n");
+ res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_A2_PROD,
+ IPA_RM_RESOURCE_USB_CONS);
+ if ((res != 0) && (res != -EINPROGRESS))
+ TETH_ERR(
+ "Failed deleting ipa_rm dependency A2_PROD <-> USB_CONS\n");
+
+ /* Request the BRIDGE_PROD resource, A2 and IPA should power up */
res = teth_request_resource();
if (res) {
TETH_ERR("request_resource() failed.\n");
goto bail;
}
- teth_ctx->is_connected = false;
-
/* Close the channel to A2 */
if (a2_mux_close_channel(A2_MUX_TETHERED_0))
TETH_ERR("a2_mux_close_channel() failed\n");
+ /* Teardown the IPA HW bridge */
if (teth_ctx->is_hw_bridge_complete) {
/* Delete header entries */
if (ipa_del_hdr(teth_ctx->hdr_del))
@@ -1452,27 +1471,14 @@
ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_BRIDGE_PROD);
- /* Delete IPA Resource manager dependency graph */
- res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
- IPA_RM_RESOURCE_USB_CONS);
- if ((res != 0) && (res != -EINPROGRESS))
- TETH_ERR(
- "Failed deleting ipa_rm dependency BRIDGE_PROD <-> USB_CONS\n");
+ /* Delete the last ipa_rm dependency - BRIDGE_PROD <-> A2 */
res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_BRIDGE_PROD,
IPA_RM_RESOURCE_A2_CONS);
if ((res != 0) && (res != -EINPROGRESS))
TETH_ERR(
"Failed deleting ipa_rm dependency BRIDGE_PROD <-> A2_CONS\n");
- res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_USB_PROD,
- IPA_RM_RESOURCE_A2_CONS);
- if ((res != 0) && (res != -EINPROGRESS))
- TETH_ERR(
- "Failed deleting ipa_rm dependency USB_PROD <-> A2_CONS\n");
- res = ipa_rm_delete_dependency(IPA_RM_RESOURCE_A2_PROD,
- IPA_RM_RESOURCE_USB_CONS);
- if ((res != 0) && (res != -EINPROGRESS))
- TETH_ERR(
- "Failed deleting ipa_rm dependency A2_PROD <-> USB_CONS\n");
+
+ teth_ctx->is_connected = false;
bail:
TETH_DBG_FUNC_EXIT();
diff --git a/drivers/power/qpnp-bms.c b/drivers/power/qpnp-bms.c
index fd42c47..866b921 100644
--- a/drivers/power/qpnp-bms.c
+++ b/drivers/power/qpnp-bms.c
@@ -375,7 +375,7 @@
#define CC_READING_RESOLUTION_N 542535
#define CC_READING_RESOLUTION_D 100000
-static int cc_reading_to_uv(int16_t reading)
+static s64 cc_reading_to_uv(s64 reading)
{
return div_s64(reading * CC_READING_RESOLUTION_N,
CC_READING_RESOLUTION_D);
@@ -582,7 +582,7 @@
return false;
}
-static bool is_batfet_open(struct qpnp_bms_chip *chip)
+static bool is_battery_full(struct qpnp_bms_chip *chip)
{
union power_supply_propval ret = {0,};
@@ -610,18 +610,32 @@
iadc_channel = chip->use_external_rsense ?
EXTERNAL_RSENSE : INTERNAL_RSENSE;
- rc = qpnp_iadc_vadc_sync_read(iadc_channel, &i_result,
- VBAT_SNS, &v_result);
- if (rc) {
- pr_err("vadc read failed with rc: %d\n", rc);
- return rc;
+ if (is_battery_full(chip)) {
+ rc = get_battery_current(chip, ibat_ua);
+ if (rc) {
+ pr_err("bms current read failed with rc: %d\n", rc);
+ return rc;
+ }
+ rc = qpnp_vadc_read(VBAT_SNS, &v_result);
+ if (rc) {
+ pr_err("vadc read failed with rc: %d\n", rc);
+ return rc;
+ }
+ *vbat_uv = (int)v_result.physical;
+ } else {
+ rc = qpnp_iadc_vadc_sync_read(iadc_channel, &i_result,
+ VBAT_SNS, &v_result);
+ if (rc) {
+ pr_err("adc sync read failed with rc: %d\n", rc);
+ return rc;
+ }
+ /*
+ * reverse the current read by the iadc, since the bms uses
+ * flipped battery current polarity.
+ */
+ *ibat_ua = -1 * (int)i_result.result_ua;
+ *vbat_uv = (int)v_result.physical;
}
- /*
- * reverse the current read by the iadc, since the bms uses
- * flipped battery current polarity.
- */
- *ibat_ua = -1 * (int)i_result.result_ua;
- *vbat_uv = (int)v_result.physical;
return 0;
}
@@ -774,14 +788,6 @@
return (fcc_uah * pc) / 100;
}
-#define CC_RESOLUTION_N 542535
-#define CC_RESOLUTION_D 100000
-
-static s64 cc_to_uv(s64 cc)
-{
- return div_s64(cc * CC_RESOLUTION_N, CC_RESOLUTION_D);
-}
-
#define CC_READING_TICKS 56
#define SLEEP_CLK_HZ 32764
#define SECONDS_PER_HOUR 3600
@@ -817,7 +823,7 @@
qpnp_iadc_get_gain_and_offset(&calibration);
pr_debug("cc = %lld\n", cc);
- cc_voltage_uv = cc_to_uv(cc);
+ cc_voltage_uv = cc_reading_to_uv(cc);
cc_voltage_uv = cc_adjust_for_gain(cc_voltage_uv,
calibration.gain_raw
- calibration.offset_raw);
@@ -1409,7 +1415,7 @@
goto out;
}
- if (ibat_ua < 0 && !is_batfet_open(chip)) {
+ if (ibat_ua < 0 && !is_battery_full(chip)) {
soc = charging_adjustments(chip, params, soc, vbat_uv, ibat_ua,
batt_temp);
goto out;
diff --git a/drivers/power/qpnp-charger.c b/drivers/power/qpnp-charger.c
index 14a42dd..993b2cb 100644
--- a/drivers/power/qpnp-charger.c
+++ b/drivers/power/qpnp-charger.c
@@ -2123,9 +2123,10 @@
}
INIT_WORK(&chip->adc_measure_work,
qpnp_bat_if_adc_measure_work);
- INIT_DELAYED_WORK(&chip->arb_stop_work, qpnp_arb_stop_work);
}
+ INIT_DELAYED_WORK(&chip->arb_stop_work, qpnp_arb_stop_work);
+
if (chip->dc_chgpth_base) {
chip->dc_psy.name = "qpnp-dc";
chip->dc_psy.type = POWER_SUPPLY_TYPE_MAINS;
@@ -2248,7 +2249,7 @@
return rc;
}
-static const struct dev_pm_ops qpnp_bms_pm_ops = {
+static const struct dev_pm_ops qpnp_chg_pm_ops = {
.resume = qpnp_chg_resume,
.suspend = qpnp_chg_suspend,
};
@@ -2257,9 +2258,10 @@
.probe = qpnp_charger_probe,
.remove = __devexit_p(qpnp_charger_remove),
.driver = {
- .name = QPNP_CHARGER_DEV_NAME,
- .owner = THIS_MODULE,
- .of_match_table = qpnp_charger_match_table,
+ .name = QPNP_CHARGER_DEV_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = qpnp_charger_match_table,
+ .pm = &qpnp_chg_pm_ops,
},
};
diff --git a/drivers/power/smb350_charger.c b/drivers/power/smb350_charger.c
index 21d7aea..11fff43 100644
--- a/drivers/power/smb350_charger.c
+++ b/drivers/power/smb350_charger.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2013 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -263,6 +263,9 @@
if (!chg_enabled) {
pr_warn("Charging not enabled.\n");
+ /* release the wake-lock when DC power removed */
+ if (wake_lock_active(&dev->chg_wake_lock))
+ wake_unlock(&dev->chg_wake_lock);
return POWER_SUPPLY_CHARGE_TYPE_NONE;
}
diff --git a/drivers/thermal/msm_thermal.c b/drivers/thermal/msm_thermal.c
index 2b9af47..814817b 100644
--- a/drivers/thermal/msm_thermal.c
+++ b/drivers/thermal/msm_thermal.c
@@ -1466,17 +1466,18 @@
if (ret)
goto read_node_fail;
- key = "qcom,min-level";
- ret = of_property_read_u32(child_node, key,
- &rails[i].min_level);
- if (ret)
- goto read_node_fail;
-
key = "qcom,freq-req";
rails[i].freq_req = of_property_read_bool(child_node, key);
+ if (rails[i].freq_req)
+ rails[i].min_level = MSM_CPUFREQ_NO_LIMIT;
+ else {
+ key = "qcom,min-level";
+ ret = of_property_read_u32(child_node, key,
+ &rails[i].min_level);
+ if (ret)
+ goto read_node_fail;
+ }
- if (ret)
- goto read_node_fail;
rails[i].curr_level = 0;
rails[i].reg = NULL;
i++;
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index ede2ef1..1d02e32 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -110,6 +110,34 @@
wake_up_interruptible(&vt_event_waitqueue);
}
+static void __vt_event_queue(struct vt_event_wait *vw)
+{
+ unsigned long flags;
+ /* Prepare the event */
+ INIT_LIST_HEAD(&vw->list);
+ vw->done = 0;
+ /* Queue our event */
+ spin_lock_irqsave(&vt_event_lock, flags);
+ list_add(&vw->list, &vt_events);
+ spin_unlock_irqrestore(&vt_event_lock, flags);
+}
+
+static void __vt_event_wait(struct vt_event_wait *vw)
+{
+ /* Wait for it to pass */
+ wait_event_interruptible(vt_event_waitqueue, vw->done);
+}
+
+static void __vt_event_dequeue(struct vt_event_wait *vw)
+{
+ unsigned long flags;
+
+ /* Dequeue it */
+ spin_lock_irqsave(&vt_event_lock, flags);
+ list_del(&vw->list);
+ spin_unlock_irqrestore(&vt_event_lock, flags);
+}
+
/**
* vt_event_wait - wait for an event
* @vw: our event
@@ -121,20 +149,9 @@
static void vt_event_wait(struct vt_event_wait *vw)
{
- unsigned long flags;
- /* Prepare the event */
- INIT_LIST_HEAD(&vw->list);
- vw->done = 0;
- /* Queue our event */
- spin_lock_irqsave(&vt_event_lock, flags);
- list_add(&vw->list, &vt_events);
- spin_unlock_irqrestore(&vt_event_lock, flags);
- /* Wait for it to pass */
- wait_event_interruptible(vt_event_waitqueue, vw->done);
- /* Dequeue it */
- spin_lock_irqsave(&vt_event_lock, flags);
- list_del(&vw->list);
- spin_unlock_irqrestore(&vt_event_lock, flags);
+ __vt_event_queue(vw);
+ __vt_event_wait(vw);
+ __vt_event_dequeue(vw);
}
/**
@@ -177,10 +194,14 @@
{
struct vt_event_wait vw;
do {
- if (n == fg_console + 1)
- break;
vw.event.event = VT_EVENT_SWITCH;
- vt_event_wait(&vw);
+ __vt_event_queue(&vw);
+ if (n == fg_console + 1) {
+ __vt_event_dequeue(&vw);
+ break;
+ }
+ __vt_event_wait(&vw);
+ __vt_event_dequeue(&vw);
if (vw.done == 0)
return -EINTR;
} while (vw.event.newev != n);
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index 147e3db..bc1fa07 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -426,6 +426,7 @@
struct adb_data {
bool opened;
bool enabled;
+ struct android_dev *dev;
};
static int
@@ -459,6 +460,7 @@
data->enabled = true;
+
/* Disable the gadget until adbd is ready */
if (!data->opened)
android_disable(dev);
@@ -490,27 +492,45 @@
struct android_dev *dev = adb_function.android_dev;
struct adb_data *data = adb_function.config;
+ /* dev is null in case ADB is not in the composition */
+ if (dev)
+ mutex_lock(&dev->mutex);
+
+ /* Save dev in case the adb function will get disabled */
+ data->dev = dev;
data->opened = true;
- if (data->enabled && dev) {
- mutex_lock(&dev->mutex);
+ if (data->enabled && dev)
android_enable(dev);
+
+ if (dev)
mutex_unlock(&dev->mutex);
- }
}
static void adb_closed_callback(void)
{
- struct android_dev *dev = adb_function.android_dev;
struct adb_data *data = adb_function.config;
+ struct android_dev *dev = adb_function.android_dev;
+
+ /* In case new composition is without ADB, use saved one */
+ if (!dev)
+ dev = data->dev;
+
+ if (!dev)
+ pr_err("adb_closed_callback: data->dev is NULL");
+
+ if (dev)
+ mutex_lock(&dev->mutex);
data->opened = false;
- if (data->enabled) {
- mutex_lock(&dev->mutex);
+ if (data->enabled)
android_disable(dev);
+
+ data->dev = NULL;
+
+ if (dev)
mutex_unlock(&dev->mutex);
- }
}
diff --git a/drivers/usb/gadget/f_qc_ecm.c b/drivers/usb/gadget/f_qc_ecm.c
index 8e7cbb2..a395d15 100644
--- a/drivers/usb/gadget/f_qc_ecm.c
+++ b/drivers/usb/gadget/f_qc_ecm.c
@@ -77,15 +77,7 @@
bool is_open;
};
-struct f_ecm_qc_ipa_params {
- u8 dev_mac[ETH_ALEN];
- u8 host_mac[ETH_ALEN];
- ecm_ipa_callback ipa_rx_cb;
- ecm_ipa_callback ipa_tx_cb;
- void *ipa_priv;
-};
-
-static struct f_ecm_qc_ipa_params ipa_params;
+static struct ecm_ipa_params ipa_params;
static inline struct f_ecm_qc *func_to_ecm_qc(struct usb_function *f)
{
@@ -435,17 +427,17 @@
void *ecm_qc_get_ipa_rx_cb(void)
{
- return ipa_params.ipa_rx_cb;
+ return ipa_params.ecm_ipa_rx_dp_notify;
}
void *ecm_qc_get_ipa_tx_cb(void)
{
- return ipa_params.ipa_tx_cb;
+ return ipa_params.ecm_ipa_tx_dp_notify;
}
void *ecm_qc_get_ipa_priv(void)
{
- return ipa_params.ipa_priv;
+ return ipa_params.private;
}
/*-------------------------------------------------------------------------*/
@@ -849,7 +841,7 @@
ecm_qc_string_defs[1].s = NULL;
if (ecm->xport == USB_GADGET_XPORT_BAM2BAM_IPA)
- ecm_ipa_cleanup(ipa_params.ipa_priv);
+ ecm_ipa_cleanup(ipa_params.private);
kfree(ecm);
}
@@ -920,12 +912,13 @@
/* export host's Ethernet address in CDC format */
if (ecm->xport == USB_GADGET_XPORT_BAM2BAM_IPA) {
- gether_qc_get_macs(ipa_params.dev_mac, ipa_params.host_mac);
+ gether_qc_get_macs(ipa_params.device_ethaddr,
+ ipa_params.host_ethaddr);
snprintf(ecm->ethaddr, sizeof ecm->ethaddr,
"%02X%02X%02X%02X%02X%02X",
- ipa_params.host_mac[0], ipa_params.host_mac[1],
- ipa_params.host_mac[2], ipa_params.host_mac[3],
- ipa_params.host_mac[4], ipa_params.host_mac[5]);
+ ipa_params.host_ethaddr[0], ipa_params.host_ethaddr[1],
+ ipa_params.host_ethaddr[2], ipa_params.host_ethaddr[3],
+ ipa_params.host_ethaddr[4], ipa_params.host_ethaddr[5]);
} else
snprintf(ecm->ethaddr, sizeof ecm->ethaddr,
"%02X%02X%02X%02X%02X%02X",
@@ -957,21 +950,15 @@
if (ecm->xport != USB_GADGET_XPORT_BAM2BAM_IPA)
return status;
- status = ecm_ipa_init(&ipa_params.ipa_rx_cb, &ipa_params.ipa_tx_cb,
- &ipa_params.ipa_priv);
+ pr_debug("setting ecm_ipa, host_ethaddr=%pM, device_ethaddr=%pM",
+ ipa_params.host_ethaddr, ipa_params.device_ethaddr);
+ status = ecm_ipa_init(&ipa_params);
if (status) {
- pr_err("failed to initialize ECM IPA Driver");
+ pr_err("failed to initialize ecm_ipa");
ecm_qc_string_defs[1].s = NULL;
kfree(ecm);
- return status;
- }
-
- status = ecm_ipa_configure(ipa_params.host_mac, ipa_params.dev_mac,
- ipa_params.ipa_priv);
- if (status) {
- pr_err("failed to configure ECM IPA Driver");
- ecm_qc_string_defs[1].s = NULL;
- kfree(ecm);
+ } else {
+ pr_debug("ecm_ipa successful created");
}
return status;
diff --git a/drivers/video/msm/mdss/mdp3.c b/drivers/video/msm/mdss/mdp3.c
index 52243eb..f672bd4 100644
--- a/drivers/video/msm/mdss/mdp3.c
+++ b/drivers/video/msm/mdss/mdp3.c
@@ -708,45 +708,6 @@
return xres * bpp;
}
-/*
- * physical contiguous memory should be allocated in mdss_fb, and SMMU
- * virtual address mapping can be done in the MDP h/w specific code. It
- * should have a reference count, if none is current mapped, the SMMU context
- * can bedetached, thus allowing power saving in SMMU.
- */
-static int mdp3_fbmem_alloc(struct msm_fb_data_type *mfd)
-{
- int dom;
- void *virt = NULL;
- unsigned long phys = 0;
- size_t size;
- u32 yres = mfd->fbi->var.yres_virtual;
-
- size = PAGE_ALIGN(mfd->fbi->fix.line_length * yres);
-
- if (mfd->index == 0) {
- virt = allocate_contiguous_memory(size, MEMTYPE_EBI1, SZ_1M, 0);
- if (!virt) {
- pr_err("unable to alloc fbmem size=%u\n", size);
- return -ENOMEM;
- }
- phys = memory_pool_node_paddr(virt);
- dom = (mdp3_res->domains + MDP3_IOMMU_DOMAIN)->domain_idx;
- msm_iommu_map_contig_buffer(phys, dom, 0, size, SZ_4K, 0,
- &mfd->iova);
-
- pr_debug("allocating %u bytes at %p (%lx phys) for fb %d\n",
- size, virt, phys, mfd->index);
- } else {
- size = 0;
- }
-
- mfd->fbi->screen_base = virt;
- mfd->fbi->fix.smem_start = phys;
- mfd->fbi->fix.smem_len = size;
- return 0;
-}
-
struct mdp3_dma *mdp3_get_dma_pipe(int capability)
{
int i;
@@ -775,12 +736,19 @@
return NULL;
}
+static int mdp3_fb_mem_get_iommu_domain(void)
+{
+ if (!mdp3_res)
+ return -ENODEV;
+ return mdp3_res->domains[MDP3_IOMMU_DOMAIN].domain_idx;
+}
+
static int mdp3_probe(struct platform_device *pdev)
{
int rc;
static struct msm_mdp_interface mdp3_interface = {
.init_fnc = mdp3_init,
- .fb_mem_alloc_fnc = mdp3_fbmem_alloc,
+ .fb_mem_get_iommu_domain = mdp3_fb_mem_get_iommu_domain,
.fb_stride = mdp3_fb_stride,
};
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index 72ad67e..28f61f9 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -42,9 +42,13 @@
#include <linux/sync.h>
#include <linux/sw_sync.h>
#include <linux/file.h>
+#include <linux/memory_alloc.h>
#include <mach/board.h>
#include <mach/memory.h>
+#include <mach/iommu.h>
+#include <mach/iommu_domains.h>
+#include <mach/msm_memtypes.h>
#include "mdss_fb.h"
@@ -652,6 +656,11 @@
unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)info->par;
+ if (!start) {
+ pr_warn("No framebuffer memory is allocated.\n");
+ return -ENOMEM;
+ }
+
mdss_fb_pan_idle(mfd);
if (off >= len) {
/* memory mapped io */
@@ -709,13 +718,68 @@
.fb_mmap = mdss_fb_mmap,
};
+static int mdss_fb_alloc_fbmem_iommu(struct msm_fb_data_type *mfd, int dom)
+{
+ void *virt = NULL;
+ unsigned long phys = 0;
+ size_t size = 0;
+ struct platform_device *pdev = mfd->pdev;
+
+ if (!pdev || !pdev->dev.of_node) {
+ pr_err("Invalid device node\n");
+ return -ENODEV;
+ }
+
+ if (of_property_read_u32(pdev->dev.of_node,
+ "qcom,memory-reservation-size",
+ &size) || !size) {
+ mfd->fbi->screen_base = NULL;
+ mfd->fbi->fix.smem_start = 0;
+ mfd->fbi->fix.smem_len = 0;
+ return 0;
+ }
+
+ pr_info("%s frame buffer reserve_size=0x%x\n", __func__, size);
+
+ if (size < PAGE_ALIGN(mfd->fbi->fix.line_length *
+ mfd->fbi->var.yres_virtual))
+ pr_warn("reserve size is smaller than framebuffer size\n");
+
+ virt = allocate_contiguous_memory(size, MEMTYPE_EBI1, SZ_1M, 0);
+ if (!virt) {
+ pr_err("unable to alloc fbmem size=%u\n", size);
+ return -ENOMEM;
+ }
+
+ phys = memory_pool_node_paddr(virt);
+
+ msm_iommu_map_contig_buffer(phys, dom, 0, size, SZ_4K, 0,
+ &mfd->iova);
+ pr_info("allocating %u bytes at %p (%lx phys) for fb %d\n",
+ size, virt, phys, mfd->index);
+
+ mfd->fbi->screen_base = virt;
+ mfd->fbi->fix.smem_start = phys;
+ mfd->fbi->fix.smem_len = size;
+
+ return 0;
+}
+
static int mdss_fb_alloc_fbmem(struct msm_fb_data_type *mfd)
{
- if (!mfd->mdp.fb_mem_alloc_fnc) {
+
+ if (mfd->mdp.fb_mem_alloc_fnc)
+ return mfd->mdp.fb_mem_alloc_fnc(mfd);
+ else if (mfd->mdp.fb_mem_get_iommu_domain) {
+ int dom = mfd->mdp.fb_mem_get_iommu_domain();
+ if (dom >= 0)
+ return mdss_fb_alloc_fbmem_iommu(mfd, dom);
+ else
+ return -ENOMEM;
+ } else {
pr_err("no fb memory allocator function defined\n");
return -ENOMEM;
}
- return mfd->mdp.fb_mem_alloc_fnc(mfd);
}
static int mdss_fb_register(struct msm_fb_data_type *mfd)
@@ -1534,12 +1598,15 @@
static int mdss_fb_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
- struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)info->par;
+ struct msm_fb_data_type *mfd;
void __user *argp = (void __user *)arg;
struct mdp_page_protection fb_page_protection;
int ret = -ENOSYS;
struct mdp_buf_sync buf_sync;
+ if (!info || !info->par)
+ return -EINVAL;
+ mfd = (struct msm_fb_data_type *)info->par;
mdss_fb_power_setting_idle(mfd);
mdss_fb_pan_idle(mfd);
diff --git a/drivers/video/msm/mdss/mdss_fb.h b/drivers/video/msm/mdss/mdss_fb.h
index 6f6f490..5682f0b 100644
--- a/drivers/video/msm/mdss/mdss_fb.h
+++ b/drivers/video/msm/mdss/mdss_fb.h
@@ -56,6 +56,7 @@
struct msm_mdp_interface {
int (*fb_mem_alloc_fnc)(struct msm_fb_data_type *mfd);
+ int (*fb_mem_get_iommu_domain)(void);
int (*init_fnc)(struct msm_fb_data_type *mfd);
int (*on_fnc)(struct msm_fb_data_type *mfd);
int (*off_fnc)(struct msm_fb_data_type *mfd);
diff --git a/drivers/video/msm/mdss/mdss_hdmi_mhl.h b/drivers/video/msm/mdss/mdss_hdmi_mhl.h
index 8fef63e..8a9d4fc 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_mhl.h
+++ b/drivers/video/msm/mdss/mdss_hdmi_mhl.h
@@ -19,9 +19,9 @@
struct msm_hdmi_mhl_ops {
u8 (*tmds_enabled)(struct platform_device *pdev);
int (*set_mhl_max_pclk)(struct platform_device *pdev, u32 max_val);
+ int (*set_upstream_hpd)(struct platform_device *pdev, uint8_t on);
};
int msm_hdmi_register_mhl(struct platform_device *pdev,
- struct msm_hdmi_mhl_ops *ops);
-
+ struct msm_hdmi_mhl_ops *ops, void *data);
#endif /* __MDSS_HDMI_MHL_H__ */
diff --git a/drivers/video/msm/mdss/mdss_hdmi_tx.c b/drivers/video/msm/mdss/mdss_hdmi_tx.c
index dc51b1b..42cc356 100644
--- a/drivers/video/msm/mdss/mdss_hdmi_tx.c
+++ b/drivers/video/msm/mdss/mdss_hdmi_tx.c
@@ -81,6 +81,7 @@
struct hdmi_tx_audio_acr lut[AUDIO_SAMPLE_RATE_MAX];
};
+static int hdmi_tx_set_mhl_hpd(struct platform_device *pdev, uint8_t on);
static int hdmi_tx_sysfs_enable_hpd(struct hdmi_tx_ctrl *hdmi_ctrl, int on);
static irqreturn_t hdmi_tx_isr(int irq, void *data);
static void hdmi_tx_hpd_off(struct hdmi_tx_ctrl *hdmi_ctrl);
@@ -1950,7 +1951,7 @@
}
int msm_hdmi_register_mhl(struct platform_device *pdev,
- struct msm_hdmi_mhl_ops *ops)
+ struct msm_hdmi_mhl_ops *ops, void *data)
{
struct hdmi_tx_ctrl *hdmi_ctrl = platform_get_drvdata(pdev);
@@ -1966,6 +1967,8 @@
ops->tmds_enabled = hdmi_tx_tmds_enabled;
ops->set_mhl_max_pclk = hdmi_tx_set_mhl_max_pclk;
+ ops->set_upstream_hpd = hdmi_tx_set_mhl_hpd;
+
return 0;
}
@@ -2331,6 +2334,9 @@
return;
}
+ /* finish the ongoing hpd work if any */
+ flush_work_sync(&hdmi_ctrl->hpd_int_work);
+
/* Turn off HPD interrupts */
DSS_REG_W(io, HDMI_HPD_INT_CTRL, 0);
@@ -2438,6 +2444,41 @@
return rc;
} /* hdmi_tx_sysfs_enable_hpd */
+static int hdmi_tx_set_mhl_hpd(struct platform_device *pdev, uint8_t on)
+{
+ int rc = 0;
+ struct hdmi_tx_ctrl *hdmi_ctrl = NULL;
+
+ hdmi_ctrl = platform_get_drvdata(pdev);
+
+ if (!hdmi_ctrl) {
+ DEV_ERR("%s: invalid input\n", __func__);
+ return -EINVAL;
+ }
+
+ if (!on && hdmi_ctrl->hpd_feature_on) {
+ rc = hdmi_tx_sysfs_enable_hpd(hdmi_ctrl, false);
+ } else if (on && !hdmi_ctrl->hpd_feature_on) {
+ rc = hdmi_tx_sysfs_enable_hpd(hdmi_ctrl, true);
+ } else {
+ DEV_DBG("%s: hpd is already '%s'. return\n", __func__,
+ hdmi_ctrl->hpd_feature_on ? "enabled" : "disabled");
+ return rc;
+ }
+
+ if (!rc) {
+ hdmi_ctrl->hpd_feature_on =
+ (~hdmi_ctrl->hpd_feature_on) & BIT(0);
+ DEV_DBG("%s: '%d'\n", __func__, hdmi_ctrl->hpd_feature_on);
+ } else {
+ DEV_ERR("%s: failed to '%s' hpd. rc = %d\n", __func__,
+ on ? "enable" : "disable", rc);
+ }
+
+ return rc;
+
+}
+
static irqreturn_t hdmi_tx_isr(int irq, void *data)
{
struct dss_io_data *io = NULL;
@@ -2868,7 +2909,7 @@
switch (module_type) {
case HDMI_TX_HPD_PM:
- mp->num_clk = 2;
+ mp->num_clk = 3;
mp->clk_config = devm_kzalloc(dev, sizeof(struct dss_clk) *
mp->num_clk, GFP_KERNEL);
if (!mp->clk_config) {
@@ -2884,6 +2925,16 @@
snprintf(mp->clk_config[1].clk_name, 32, "%s", "core_clk");
mp->clk_config[1].type = DSS_CLK_OTHER;
mp->clk_config[1].rate = 19200000;
+
+ /*
+ * This clock is required to clock MDSS interrupt registers
+ * when HDMI is the only block turned on within MDSS. Since
+ * rate for this clock is controlled by MDP driver, treat this
+ * similar to AHB clock and do not set rate for it.
+ */
+ snprintf(mp->clk_config[2].clk_name, 32, "%s", "mdp_core_clk");
+ mp->clk_config[2].type = DSS_CLK_AHB;
+ mp->clk_config[2].rate = 0;
break;
case HDMI_TX_CORE_PM:
diff --git a/drivers/video/msm/mdss/mdss_mdp.c b/drivers/video/msm/mdss/mdss_mdp.c
index b9457be..772545f 100644
--- a/drivers/video/msm/mdss/mdss_mdp.c
+++ b/drivers/video/msm/mdss/mdss_mdp.c
@@ -55,9 +55,15 @@
#include "mdss_debug.h"
struct mdss_data_type *mdss_res;
+
+static int mdss_fb_mem_get_iommu_domain(void)
+{
+ return mdss_get_iommu_domain(MDSS_IOMMU_DOMAIN_UNSECURE);
+}
+
struct msm_mdp_interface mdp5 = {
.init_fnc = mdss_mdp_overlay_init,
- .fb_mem_alloc_fnc = mdss_mdp_alloc_fb_mem,
+ .fb_mem_get_iommu_domain = mdss_fb_mem_get_iommu_domain,
.panel_register_done = mdss_panel_register_done,
.fb_stride = mdss_mdp_fb_stride,
};
@@ -136,39 +142,6 @@
static int mdss_mdp_parse_dt_misc(struct platform_device *pdev);
static int mdss_mdp_parse_dt_ad_cfg(struct platform_device *pdev);
-int mdss_mdp_alloc_fb_mem(struct msm_fb_data_type *mfd)
-{
- int dom;
- void *virt = NULL;
- unsigned long phys = 0;
- size_t size;
- u32 yres = mfd->fbi->var.yres_virtual;
-
- size = PAGE_ALIGN(mfd->fbi->fix.line_length * yres);
-
- if (mfd->index == 0) {
- virt = allocate_contiguous_memory(size, MEMTYPE_EBI1, SZ_1M, 0);
- if (!virt) {
- pr_err("unable to alloc fbmem size=%u\n", size);
- return -ENOMEM;
- }
- phys = memory_pool_node_paddr(virt);
- dom = mdss_get_iommu_domain(MDSS_IOMMU_DOMAIN_UNSECURE);
- msm_iommu_map_contig_buffer(phys, dom, 0, size, SZ_4K, 0,
- &mfd->iova);
-
- pr_debug("allocating %u bytes at %p (%lx phys) for fb %d\n",
- size, virt, phys, mfd->index);
- } else
- size = 0;
-
- mfd->fbi->screen_base = virt;
- mfd->fbi->fix.smem_start = phys;
- mfd->fbi->fix.smem_len = size;
-
- return 0;
-}
-
u32 mdss_mdp_fb_stride(u32 fb_index, u32 xres, int bpp)
{
/* The adreno GPU hardware requires that the pitch be aligned to
diff --git a/drivers/video/msm/mdss/mdss_mdp.h b/drivers/video/msm/mdss/mdss_mdp.h
index 249f89b..a650522 100644
--- a/drivers/video/msm/mdss/mdss_mdp.h
+++ b/drivers/video/msm/mdss/mdss_mdp.h
@@ -110,8 +110,8 @@
typedef void (*mdp_vsync_handler_t)(struct mdss_mdp_ctl *, ktime_t);
struct mdss_mdp_vsync_handler {
+ bool enabled;
mdp_vsync_handler_t vsync_handler;
- u32 ref_cnt;
struct list_head list;
};
@@ -533,7 +533,6 @@
int mdss_mdp_wb_ioctl_handler(struct msm_fb_data_type *mfd, u32 cmd, void *arg);
int mdss_mdp_get_ctl_mixers(u32 fb_num, u32 *mixer_id);
-int mdss_mdp_alloc_fb_mem(struct msm_fb_data_type *mfd);
u32 mdss_mdp_fb_stride(u32 fb_index, u32 xres, int bpp);
int mdss_panel_register_done(struct mdss_panel_data *pdata);
diff --git a/drivers/video/msm/mdss/mdss_mdp_intf_video.c b/drivers/video/msm/mdss/mdss_mdp_intf_video.c
index 638c73f..72cbed9 100644
--- a/drivers/video/msm/mdss/mdss_mdp_intf_video.c
+++ b/drivers/video/msm/mdss/mdss_mdp_intf_video.c
@@ -203,13 +203,13 @@
}
-static inline void video_vsync_irq_enable(struct mdss_mdp_ctl *ctl)
+static inline void video_vsync_irq_enable(struct mdss_mdp_ctl *ctl, bool clear)
{
struct mdss_mdp_video_ctx *ctx = ctl->priv_data;
if (atomic_inc_return(&ctx->vsync_ref) == 1)
mdss_mdp_irq_enable(MDSS_MDP_IRQ_INTF_VSYNC, ctl->intf_num);
- else
+ else if (clear)
mdss_mdp_irq_clear(ctl->mdata, MDSS_MDP_IRQ_INTF_VSYNC,
ctl->intf_num);
}
@@ -227,9 +227,8 @@
{
struct mdss_mdp_video_ctx *ctx;
unsigned long flags;
- struct mdss_mdp_vsync_handler *tmp;
- bool exist = false;
int ret = 0;
+ bool irq_en = false;
if (!handle || !(handle->vsync_handler)) {
ret = -EINVAL;
@@ -244,32 +243,24 @@
}
spin_lock_irqsave(&ctx->vsync_lock, flags);
- list_for_each_entry(tmp, &(ctx->vsync_handlers), list) {
- if (tmp->vsync_handler == handle->vsync_handler) {
- exist = true;
- tmp->ref_cnt++;
- }
- }
- if (!exist) {
- handle->ref_cnt = 1;
+ if (!handle->enabled) {
+ handle->enabled = true;
list_add(&handle->list, &ctx->vsync_handlers);
+ irq_en = true;
}
-
- video_vsync_irq_enable(ctl);
spin_unlock_irqrestore(&ctx->vsync_lock, flags);
+ if (irq_en)
+ video_vsync_irq_enable(ctl, false);
exit:
return ret;
}
-/* passing NULL as handle or vsync_handler will clear all handlers */
static int mdss_mdp_video_remove_vsync_handler(struct mdss_mdp_ctl *ctl,
struct mdss_mdp_vsync_handler *handle)
{
struct mdss_mdp_video_ctx *ctx;
unsigned long flags;
- struct mdss_mdp_vsync_handler *tmp, *q;
- bool exist = true;
- bool used = false;
+ bool irq_dis = false;
ctx = (struct mdss_mdp_video_ctx *) ctl->priv_data;
if (!ctx) {
@@ -278,26 +269,21 @@
}
spin_lock_irqsave(&ctx->vsync_lock, flags);
- list_for_each_entry_safe(tmp, q, &ctx->vsync_handlers, list) {
- if (handle && handle->vsync_handler)
- exist = (tmp->vsync_handler == handle->vsync_handler);
- if (exist) {
- tmp->ref_cnt--;
- if (handle && handle->vsync_handler)
- used = (tmp->ref_cnt != 0);
- if (!used) {
- video_vsync_irq_disable(ctl);
- list_del_init(&tmp->list);
- }
- }
+ if (handle->enabled) {
+ handle->enabled = false;
+ list_del_init(&handle->list);
+ irq_dis = true;
}
spin_unlock_irqrestore(&ctx->vsync_lock, flags);
+ if (irq_dis)
+ video_vsync_irq_disable(ctl);
return 0;
}
static int mdss_mdp_video_stop(struct mdss_mdp_ctl *ctl)
{
struct mdss_mdp_video_ctx *ctx;
+ struct mdss_mdp_vsync_handler *tmp, *handle;
int rc;
pr_debug("stop ctl=%d\n", ctl->num);
@@ -328,7 +314,8 @@
ctl->intf_num);
}
- mdss_mdp_video_remove_vsync_handler(ctl, NULL);
+ list_for_each_entry_safe(handle, tmp, &ctx->vsync_handlers, list)
+ mdss_mdp_video_remove_vsync_handler(ctl, handle);
mdss_mdp_set_intr_callback(MDSS_MDP_IRQ_INTF_VSYNC, ctl->intf_num,
NULL, NULL);
@@ -470,7 +457,7 @@
if (!ctx->wait_pending) {
ctx->wait_pending++;
- video_vsync_irq_enable(ctl);
+ video_vsync_irq_enable(ctl, true);
INIT_COMPLETION(ctx->vsync_comp);
} else {
WARN(1, "commit without wait! ctl=%d", ctl->num);
diff --git a/drivers/video/msm/mdss/mdss_mdp_overlay.c b/drivers/video/msm/mdss/mdss_mdp_overlay.c
index ac1c4ce..56fd163 100644
--- a/drivers/video/msm/mdss/mdss_mdp_overlay.c
+++ b/drivers/video/msm/mdss/mdss_mdp_overlay.c
@@ -1111,7 +1111,8 @@
fbi = mfd->fbi;
- if (fbi->fix.smem_len == 0 || mdp5_data->borderfill_enable) {
+ if (!fbi->fix.smem_start || fbi->fix.smem_len == 0 ||
+ mdp5_data->borderfill_enable) {
mfd->mdp.kickoff_fnc(mfd);
return;
}
@@ -1142,9 +1143,13 @@
goto pan_display_error;
}
- if (is_mdss_iommu_attached())
+ if (is_mdss_iommu_attached()) {
+ if (!mfd->iova) {
+ pr_err("mfd iova is zero\n");
+ goto pan_display_error;
+ }
data.p[0].addr = mfd->iova;
- else
+ } else
data.p[0].addr = fbi->fix.smem_start;
data.p[0].addr += offset;
diff --git a/drivers/video/msm/mdss/mdss_mdp_pp.c b/drivers/video/msm/mdss/mdss_mdp_pp.c
index 12ff943..4e7cc37 100644
--- a/drivers/video/msm/mdss/mdss_mdp_pp.c
+++ b/drivers/video/msm/mdss/mdss_mdp_pp.c
@@ -178,11 +178,9 @@
struct mdp_dither_cfg_data dither_disp_cfg[MDSS_BLOCK_DISP_NUM];
struct mdp_gamut_cfg_data gamut_disp_cfg[MDSS_BLOCK_DISP_NUM];
uint16_t gamut_tbl[MDSS_BLOCK_DISP_NUM][GAMUT_TOTAL_TABLE_SIZE];
- struct pp_hist_col_info
- *hist_col[MDSS_BLOCK_DISP_NUM][MDSS_MDP_MAX_DSPP];
u32 hist_data[MDSS_BLOCK_DISP_NUM][HIST_V_SIZE];
/* physical info */
- struct pp_sts_type pp_dspp_sts[MDSS_MDP_MAX_DSPP];
+ struct pp_sts_type pp_disp_sts[MDSS_BLOCK_DISP_NUM];
struct pp_hist_col_info dspp_hist[MDSS_MDP_MAX_DSPP];
};
@@ -671,7 +669,7 @@
else
scale_config |= /* RGB, A */
(MDSS_MDP_SCALE_FILTER_PCMN << 10) |
- (MDSS_MDP_SCALE_FILTER_NEAREST << 18);
+ (MDSS_MDP_SCALE_FILTER_PCMN << 18);
}
phasey_step = mdss_mdp_scale_phase_step(
@@ -728,7 +726,7 @@
else
scale_config |= /* RGB, A */
(MDSS_MDP_SCALE_FILTER_PCMN << 8) |
- (MDSS_MDP_SCALE_FILTER_NEAREST << 16);
+ (MDSS_MDP_SCALE_FILTER_PCMN << 16);
}
phasex_step = mdss_mdp_scale_phase_step(
@@ -838,7 +836,7 @@
else
flags = 0;
- pp_sts = &mdss_pp_res->pp_dspp_sts[dspp_num];
+ pp_sts = &mdss_pp_res->pp_disp_sts[disp_num];
/* GC_LUT is in layer mixer */
if (flags & PP_FLAGS_DIRTY_ARGC) {
pgc_config = &mdss_pp_res->argc_disp_cfg[disp_num];
@@ -982,7 +980,7 @@
goto dspp_exit;
ret = 0;
- pp_sts = &mdss_pp_res->pp_dspp_sts[dspp_num];
+ pp_sts = &mdss_pp_res->pp_disp_sts[disp_num];
pp_pa_config(flags, base + MDSS_MDP_REG_DSPP_PA_BASE, pp_sts,
&mdss_pp_res->pa_disp_cfg[disp_num]);
@@ -1126,19 +1124,20 @@
* Set dirty and write bits on features that were enabled so they will be
* reconfigured
*/
-int mdss_mdp_pp_resume(struct mdss_mdp_ctl *ctl, u32 mixer_num)
+int mdss_mdp_pp_resume(struct mdss_mdp_ctl *ctl, u32 dspp_num)
{
- u32 flags = 0;
+ u32 flags = 0, disp_num;
struct pp_sts_type pp_sts;
struct mdss_ad_info *ad;
struct mdss_data_type *mdata = ctl->mdata;
- if (mixer_num >= MDSS_MDP_MAX_DSPP) {
- pr_warn("invalid mixer_num");
+ if (dspp_num >= MDSS_MDP_MAX_DSPP) {
+ pr_warn("invalid dspp_num");
return -EINVAL;
}
+ disp_num = ctl->mfd->index;
- if (mixer_num < mdata->nad_cfgs) {
- ad = &mdata->ad_cfgs[mixer_num];
+ if (dspp_num < mdata->nad_cfgs) {
+ ad = &mdata->ad_cfgs[dspp_num];
if (PP_AD_STATE_CFG & ad->state)
pp_ad_cfg_write(ad);
@@ -1150,66 +1149,66 @@
ctl->add_vsync_handler(ctl, &ad->handle);
}
- pp_sts = mdss_pp_res->pp_dspp_sts[mixer_num];
+ pp_sts = mdss_pp_res->pp_disp_sts[disp_num];
if (pp_sts.pa_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_PA;
- if (!(mdss_pp_res->pa_disp_cfg[mixer_num].flags
+ if (!(mdss_pp_res->pa_disp_cfg[disp_num].flags
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->pa_disp_cfg[mixer_num].flags |=
+ mdss_pp_res->pa_disp_cfg[disp_num].flags |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.pcc_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_PCC;
- if (!(mdss_pp_res->pcc_disp_cfg[mixer_num].ops
+ if (!(mdss_pp_res->pcc_disp_cfg[disp_num].ops
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->pcc_disp_cfg[mixer_num].ops |=
+ mdss_pp_res->pcc_disp_cfg[disp_num].ops |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.igc_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_IGC;
- if (!(mdss_pp_res->igc_disp_cfg[mixer_num].ops
+ if (!(mdss_pp_res->igc_disp_cfg[disp_num].ops
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->igc_disp_cfg[mixer_num].ops |=
+ mdss_pp_res->igc_disp_cfg[disp_num].ops |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.argc_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_ARGC;
- if (!(mdss_pp_res->argc_disp_cfg[mixer_num].flags
+ if (!(mdss_pp_res->argc_disp_cfg[disp_num].flags
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->argc_disp_cfg[mixer_num].flags |=
+ mdss_pp_res->argc_disp_cfg[disp_num].flags |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.enhist_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_ENHIST;
- if (!(mdss_pp_res->enhist_disp_cfg[mixer_num].ops
+ if (!(mdss_pp_res->enhist_disp_cfg[disp_num].ops
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->enhist_disp_cfg[mixer_num].ops |=
+ mdss_pp_res->enhist_disp_cfg[disp_num].ops |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.dither_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_DITHER;
- if (!(mdss_pp_res->dither_disp_cfg[mixer_num].flags
+ if (!(mdss_pp_res->dither_disp_cfg[disp_num].flags
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->dither_disp_cfg[mixer_num].flags |=
+ mdss_pp_res->dither_disp_cfg[disp_num].flags |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.gamut_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_GAMUT;
- if (!(mdss_pp_res->gamut_disp_cfg[mixer_num].flags
+ if (!(mdss_pp_res->gamut_disp_cfg[disp_num].flags
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->gamut_disp_cfg[mixer_num].flags |=
+ mdss_pp_res->gamut_disp_cfg[disp_num].flags |=
MDP_PP_OPS_WRITE;
}
if (pp_sts.pgc_sts & PP_STS_ENABLE) {
flags |= PP_FLAGS_DIRTY_PGC;
- if (!(mdss_pp_res->pgc_disp_cfg[mixer_num].flags
+ if (!(mdss_pp_res->pgc_disp_cfg[disp_num].flags
& MDP_PP_OPS_DISABLE))
- mdss_pp_res->pgc_disp_cfg[mixer_num].flags |=
+ mdss_pp_res->pgc_disp_cfg[disp_num].flags |=
MDP_PP_OPS_WRITE;
}
- mdss_pp_res->pp_disp_flags[mixer_num] = flags;
+ mdss_pp_res->pp_disp_flags[disp_num] |= flags;
return 0;
}
diff --git a/drivers/video/msm/mdss/mdss_mdp_util.c b/drivers/video/msm/mdss/mdss_mdp_util.c
index 60f05ca..d1f0c8d 100644
--- a/drivers/video/msm/mdss/mdss_mdp_util.c
+++ b/drivers/video/msm/mdss/mdss_mdp_util.c
@@ -520,6 +520,11 @@
}
}
+ if (!*start) {
+ pr_err("start address is zero!\n");
+ return -ENOMEM;
+ }
+
if (!ret && (img->offset < data->len)) {
data->addr += img->offset;
data->len -= img->offset;
diff --git a/drivers/video/msm/mdss/mhl_sii8334.c b/drivers/video/msm/mdss/mhl_sii8334.c
index a3a1a4e..3c11317 100644
--- a/drivers/video/msm/mdss/mhl_sii8334.c
+++ b/drivers/video/msm/mdss/mhl_sii8334.c
@@ -190,7 +190,7 @@
static irqreturn_t mhl_tx_isr(int irq, void *dev_id);
static void switch_mode(struct mhl_tx_ctrl *mhl_ctrl,
- enum mhl_st_type to_mode);
+ enum mhl_st_type to_mode, bool hpd_off);
static void mhl_init_reg_settings(struct mhl_tx_ctrl *mhl_ctrl,
bool mhl_disc_en);
@@ -703,9 +703,18 @@
}
-static void switch_mode(struct mhl_tx_ctrl *mhl_ctrl, enum mhl_st_type to_mode)
+static void switch_mode(struct mhl_tx_ctrl *mhl_ctrl, enum mhl_st_type to_mode,
+ bool hpd_off)
{
struct i2c_client *client = mhl_ctrl->i2c_handle;
+ unsigned long flags;
+ int rc;
+ struct msm_hdmi_mhl_ops *hdmi_mhl_ops = mhl_ctrl->hdmi_mhl_ops;
+
+ pr_debug("%s: tx pwr on\n", __func__);
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->tx_powered_off = false;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
switch (to_mode) {
case POWER_STATE_D0_NO_MHL:
@@ -722,8 +731,11 @@
mhl_ctrl->cur_state = to_mode;
break;
case POWER_STATE_D3:
- if (mhl_ctrl->cur_state == POWER_STATE_D3)
+ if (mhl_ctrl->cur_state == POWER_STATE_D3) {
+ pr_debug("%s: mhl tx already in low power mode\n",
+ __func__);
break;
+ }
/* Force HPD to 0 when not in MHL mode. */
mhl_drive_hpd(mhl_ctrl, HPD_DOWN);
@@ -736,7 +748,12 @@
msleep(50);
if (!mhl_ctrl->disc_enabled)
MHL_SII_REG_NAME_MOD(REG_DISC_CTRL1, BIT1 | BIT0, 0x00);
- MHL_SII_PAGE3_MOD(0x003D, BIT0, 0x00);
+ if (hdmi_mhl_ops && hpd_off) {
+ rc = hdmi_mhl_ops->set_upstream_hpd(
+ mhl_ctrl->pdata->hdmi_pdev, 0);
+ pr_debug("%s: hdmi unset hpd %s\n", __func__,
+ rc ? "failed" : "passed");
+ }
mhl_ctrl->cur_state = POWER_STATE_D3;
break;
default:
@@ -744,6 +761,22 @@
}
}
+static bool is_mhl_powered(void *mhl_ctx)
+{
+ struct mhl_tx_ctrl *mhl_ctrl = (struct mhl_tx_ctrl *)mhl_ctx;
+ unsigned long flags;
+ bool r = false;
+
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ if (mhl_ctrl->tx_powered_off)
+ r = false;
+ else
+ r = true;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+
+ pr_debug("%s: ret pwr state as %x\n", __func__, r);
+ return r;
+}
void mhl_tmds_ctrl(struct mhl_tx_ctrl *mhl_ctrl, uint8_t on)
{
@@ -759,6 +792,7 @@
void mhl_drive_hpd(struct mhl_tx_ctrl *mhl_ctrl, uint8_t to_state)
{
struct i2c_client *client = mhl_ctrl->i2c_handle;
+ unsigned long flags;
pr_debug("%s: To state=[0x%x]\n", __func__, to_state);
if (to_state == HPD_UP) {
@@ -769,10 +803,13 @@
* propogate to src let HPD float by clearing
* HPD OUT OVRRD EN
*/
- MHL_SII_REG_NAME_MOD(REG_INT_CTRL, BIT4, 0x00);
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->tx_powered_off = false;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+ MHL_SII_REG_NAME_MOD(REG_INT_CTRL, BIT4, 0);
} else {
/* Drive HPD to DOWN state */
- MHL_SII_REG_NAME_MOD(REG_INT_CTRL, BIT4, BIT4);
+ MHL_SII_REG_NAME_MOD(REG_INT_CTRL, (BIT4 | BIT5), BIT4);
}
}
@@ -789,9 +826,7 @@
pr_err("%s: cur st not D0\n", __func__);
return;
}
- /* spin_lock_irqsave(&mhl_state_lock, flags); */
- switch_mode(mhl_ctrl, POWER_STATE_D0_MHL);
- /* spin_unlock_irqrestore(&mhl_state_lock, flags); */
+ switch_mode(mhl_ctrl, POWER_STATE_D0_MHL, true);
MHL_SII_REG_NAME_WR(REG_MHLTX_CTL1, 0x10);
MHL_SII_CBUS_WR(0x07, 0xF2);
@@ -823,19 +858,29 @@
static void mhl_msm_disconnection(struct mhl_tx_ctrl *mhl_ctrl)
{
struct i2c_client *client = mhl_ctrl->i2c_handle;
- /*
- * MHL TX CTL1
- * Disabling Tx termination
- */
- MHL_SII_PAGE3_WR(0x30, 0xD0);
+ unsigned long flags;
- switch_mode(mhl_ctrl, POWER_STATE_D3);
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->dwnstream_hpd &= ~BIT6;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+
+ /* disabling Tx termination */
+ MHL_SII_REG_NAME_WR(REG_MHLTX_CTL1, 0xD0);
+ switch_mode(mhl_ctrl, POWER_STATE_D3, true);
}
static int mhl_msm_read_rgnd_int(struct mhl_tx_ctrl *mhl_ctrl)
{
uint8_t rgnd_imp;
struct i2c_client *client = mhl_ctrl->i2c_handle;
+ struct msm_hdmi_mhl_ops *hdmi_mhl_ops = mhl_ctrl->hdmi_mhl_ops;
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->tx_powered_off = false;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+
/* DISC STATUS REG 2 */
rgnd_imp = (mhl_i2c_reg_read(client, TX_PAGE_3, 0x001C) &
(BIT1 | BIT0));
@@ -843,6 +888,12 @@
if (0x02 == rgnd_imp) {
pr_debug("%s: mhl sink\n", __func__);
+ if (hdmi_mhl_ops) {
+ rc = hdmi_mhl_ops->set_upstream_hpd(
+ mhl_ctrl->pdata->hdmi_pdev, 1);
+ pr_debug("%s: hdmi set hpd %s\n", __func__,
+ rc ? "failed" : "passed");
+ }
mhl_ctrl->mhl_mode = 1;
power_supply_changed(&mhl_ctrl->mhl_psy);
if (mhl_ctrl->notify_usb_online)
@@ -850,7 +901,7 @@
} else {
pr_debug("%s: non-mhl sink\n", __func__);
mhl_ctrl->mhl_mode = 0;
- switch_mode(mhl_ctrl, POWER_STATE_D3);
+ switch_mode(mhl_ctrl, POWER_STATE_D3, true);
}
complete(&mhl_ctrl->rgnd_done);
return mhl_ctrl->mhl_mode ?
@@ -904,9 +955,9 @@
}
-static void dev_detect_isr(struct mhl_tx_ctrl *mhl_ctrl)
+static int dev_detect_isr(struct mhl_tx_ctrl *mhl_ctrl)
{
- uint8_t status, reg ;
+ uint8_t status, reg;
struct i2c_client *client = mhl_ctrl->i2c_handle;
/* INTR_STATUS4 */
@@ -916,13 +967,13 @@
if ((0x00 == status) &&\
(mhl_ctrl->cur_state == POWER_STATE_D3)) {
pr_err("%s: invalid intr\n", __func__);
- return;
+ return 0;
}
if (0xFF == status) {
pr_debug("%s: invalid intr 0xff\n", __func__);
MHL_SII_REG_NAME_WR(REG_INTR4, status);
- return;
+ return 0;
}
if ((status & BIT0) && (mhl_ctrl->chip_rev_id < 1)) {
@@ -940,31 +991,35 @@
mhl_msm_connection(mhl_ctrl);
} else if (status & BIT3) {
pr_debug("%s: uUSB-a type dev detct\n", __func__);
+
/* Short RGND */
MHL_SII_REG_NAME_MOD(REG_DISC_STAT2, BIT0 | BIT1, 0x00);
mhl_msm_disconnection(mhl_ctrl);
power_supply_changed(&mhl_ctrl->mhl_psy);
if (mhl_ctrl->notify_usb_online)
mhl_ctrl->notify_usb_online(0);
+ return -EACCES;
}
if (status & BIT5) {
/* clr intr - reg int4 */
pr_debug("%s: mhl discon: int4 st=%02X\n", __func__,
(int)status);
+
reg = MHL_SII_REG_NAME_RD(REG_INTR4);
MHL_SII_REG_NAME_WR(REG_INTR4, reg);
mhl_msm_disconnection(mhl_ctrl);
power_supply_changed(&mhl_ctrl->mhl_psy);
if (mhl_ctrl->notify_usb_online)
mhl_ctrl->notify_usb_online(0);
+ return -EACCES;
}
if ((mhl_ctrl->cur_state != POWER_STATE_D0_NO_MHL) &&\
(status & BIT6)) {
/* rgnd rdy Intr */
pr_debug("%s: rgnd ready intr\n", __func__);
- switch_mode(mhl_ctrl, POWER_STATE_D0_NO_MHL);
+ switch_mode(mhl_ctrl, POWER_STATE_D0_NO_MHL, true);
mhl_msm_read_rgnd_int(mhl_ctrl);
}
@@ -981,6 +1036,7 @@
release_usb_switch_open(mhl_ctrl);
}
MHL_SII_REG_NAME_WR(REG_INTR4, status);
+ return 0;
}
static void mhl_misc_isr(struct mhl_tx_ctrl *mhl_ctrl)
@@ -1000,10 +1056,13 @@
static void mhl_hpd_stat_isr(struct mhl_tx_ctrl *mhl_ctrl)
{
- uint8_t intr_1_stat;
- uint8_t cbus_stat;
+ uint8_t intr_1_stat, cbus_stat, t;
+ unsigned long flags;
struct i2c_client *client = mhl_ctrl->i2c_handle;
+ if (!is_mhl_powered(mhl_ctrl))
+ return;
+
/* INTR STATUS 1 */
intr_1_stat = MHL_SII_PAGE0_RD(0x0071);
@@ -1012,6 +1071,7 @@
/* Clear interrupts */
MHL_SII_PAGE0_WR(0x0071, intr_1_stat);
+
if (BIT6 & intr_1_stat) {
/*
* HPD status change event is pending
@@ -1019,11 +1079,26 @@
* MSC REQ ABRT REASON
*/
cbus_stat = MHL_SII_CBUS_RD(0x0D);
- if (BIT6 & cbus_stat)
- mhl_drive_hpd(mhl_ctrl, HPD_UP);
- else
- mhl_drive_hpd(mhl_ctrl, HPD_DOWN);
+ pr_debug("%s: cbus_stat=[0x%02x] cur_pwr=[%u]\n",
+ __func__, cbus_stat, mhl_ctrl->cur_state);
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ t = mhl_ctrl->dwnstream_hpd;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+
+ if (BIT6 & (cbus_stat ^ t)) {
+ u8 status = cbus_stat & BIT6;
+ mhl_drive_hpd(mhl_ctrl, status ? HPD_UP : HPD_DOWN);
+ if (!status) {
+ MHL_SII_PAGE1_MOD(0x003D, BIT0, 0x00);
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->tx_powered_off = true;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+ }
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->dwnstream_hpd = cbus_stat;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
+ }
}
}
@@ -1257,122 +1332,9 @@
}
-static void clear_all_intrs(struct i2c_client *client)
-{
- uint8_t regval = 0x00;
-
- pr_debug_intr("********* exiting isr mask check ?? *************\n");
- pr_debug_intr("int1 mask = %02X\n",
- (int) MHL_SII_REG_NAME_RD(REG_INTR1));
- pr_debug_intr("int3 mask = %02X\n",
- (int) MHL_SII_PAGE0_RD(0x0077));
- pr_debug_intr("int4 mask = %02X\n",
- (int) MHL_SII_REG_NAME_RD(REG_INTR4));
- pr_debug_intr("int5 mask = %02X\n",
- (int) MHL_SII_REG_NAME_RD(REG_INTR5));
- pr_debug_intr("cbus1 mask = %02X\n",
- (int) MHL_SII_CBUS_RD(0x0009));
- pr_debug_intr("cbus2 mask = %02X\n",
- (int) MHL_SII_CBUS_RD(0x001F));
- pr_debug_intr("********* end of isr mask check *************\n");
-
- regval = MHL_SII_REG_NAME_RD(REG_INTR1);
- pr_debug_intr("int1 st = %02X\n", (int)regval);
- MHL_SII_REG_NAME_WR(REG_INTR1, regval);
-
- regval = MHL_SII_REG_NAME_RD(REG_INTR2);
- pr_debug_intr("int2 st = %02X\n", (int)regval);
- MHL_SII_REG_NAME_WR(REG_INTR2, regval);
-
- regval = MHL_SII_PAGE0_RD(0x0073);
- pr_debug_intr("int3 st = %02X\n", (int)regval);
- MHL_SII_PAGE0_WR(0x0073, regval);
-
- regval = MHL_SII_REG_NAME_RD(REG_INTR4);
- pr_debug_intr("int4 st = %02X\n", (int)regval);
- MHL_SII_REG_NAME_WR(REG_INTR4, regval);
-
- regval = MHL_SII_REG_NAME_RD(REG_INTR5);
- pr_debug_intr("int5 st = %02X\n", (int)regval);
- MHL_SII_REG_NAME_WR(REG_INTR5, regval);
-
- regval = MHL_SII_CBUS_RD(0x0008);
- pr_debug_intr("cbusInt st = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x0008, regval);
-
- regval = MHL_SII_CBUS_RD(0x001E);
- pr_debug_intr("CBUS intR_2: %d\n", (int)regval);
- MHL_SII_CBUS_WR(0x001E, regval);
-
- regval = MHL_SII_CBUS_RD(0x00A0);
- pr_debug_intr("A0 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00A0, regval);
-
- regval = MHL_SII_CBUS_RD(0x00A1);
- pr_debug_intr("A1 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00A1, regval);
-
- regval = MHL_SII_CBUS_RD(0x00A2);
- pr_debug_intr("A2 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00A2, regval);
-
- regval = MHL_SII_CBUS_RD(0x00A3);
- pr_debug_intr("A3 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00A3, regval);
-
- regval = MHL_SII_CBUS_RD(0x00B0);
- pr_debug_intr("B0 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00B0, regval);
-
- regval = MHL_SII_CBUS_RD(0x00B1);
- pr_debug_intr("B1 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00B1, regval);
-
- regval = MHL_SII_CBUS_RD(0x00B2);
- pr_debug_intr("B2 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00B2, regval);
-
- regval = MHL_SII_CBUS_RD(0x00B3);
- pr_debug_intr("B3 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00B3, regval);
-
- regval = MHL_SII_CBUS_RD(0x00E0);
- pr_debug_intr("E0 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00E0, regval);
-
- regval = MHL_SII_CBUS_RD(0x00E1);
- pr_debug_intr("E1 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00E1, regval);
-
- regval = MHL_SII_CBUS_RD(0x00E2);
- pr_debug_intr("E2 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00E2, regval);
-
- regval = MHL_SII_CBUS_RD(0x00E3);
- pr_debug_intr("E3 st set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00E3, regval);
-
- regval = MHL_SII_CBUS_RD(0x00F0);
- pr_debug_intr("F0 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00F0, regval);
-
- regval = MHL_SII_CBUS_RD(0x00F1);
- pr_debug_intr("F1 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00F1, regval);
-
- regval = MHL_SII_CBUS_RD(0x00F2);
- pr_debug_intr("F2 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00F2, regval);
-
- regval = MHL_SII_CBUS_RD(0x00F3);
- pr_debug_intr("F3 int set = %02X\n", (int)regval);
- MHL_SII_CBUS_WR(0x00F3, regval);
- pr_debug_intr("********* end of exiting in isr *************\n");
-}
-
-
static irqreturn_t mhl_tx_isr(int irq, void *data)
{
+ int rc;
struct mhl_tx_ctrl *mhl_ctrl = (struct mhl_tx_ctrl *)data;
pr_debug("%s: Getting Interrupts\n", __func__);
@@ -1380,28 +1342,27 @@
* Check RGND, MHL_EST, CBUS_LOCKOUT, SCDT
* interrupts. In D3, we get only RGND
*/
- dev_detect_isr(mhl_ctrl);
+ rc = dev_detect_isr(mhl_ctrl);
+ if (rc)
+ pr_debug("%s: dev_detect_isr rc=[%d]\n", __func__, rc);
pr_debug("%s: cur pwr state is [0x%x]\n",
__func__, mhl_ctrl->cur_state);
- if (mhl_ctrl->cur_state == POWER_STATE_D0_MHL) {
- /*
- * If dev_detect_isr() didn't move the tx to D3
- * on disconnect, continue to check other
- * interrupt sources.
- */
- mhl_misc_isr(mhl_ctrl);
- /*
- * Check for any peer messages for DCAP_CHG, MSC etc
- * Dispatch to have the CBUS module working only
- * once connected.
- */
- mhl_cbus_isr(mhl_ctrl);
- mhl_hpd_stat_isr(mhl_ctrl);
- }
+ /*
+ * If dev_detect_isr() didn't move the tx to D3
+ * on disconnect, continue to check other
+ * interrupt sources.
+ */
+ mhl_misc_isr(mhl_ctrl);
- clear_all_intrs(mhl_ctrl->i2c_handle);
+ /*
+ * Check for any peer messages for DCAP_CHG, MSC etc
+ * Dispatch to have the CBUS module working only
+ * once connected.
+ */
+ mhl_cbus_isr(mhl_ctrl);
+ mhl_hpd_stat_isr(mhl_ctrl);
return IRQ_HANDLED;
}
@@ -1410,6 +1371,13 @@
{
uint8_t chip_rev_id = 0x00;
struct i2c_client *client = mhl_ctrl->i2c_handle;
+ unsigned long flags;
+
+
+ spin_lock_irqsave(&mhl_ctrl->lock, flags);
+ mhl_ctrl->dwnstream_hpd = 0;
+ mhl_ctrl->tx_powered_off = false;
+ spin_unlock_irqrestore(&mhl_ctrl->lock, flags);
/* Reset the TX chip */
mhl_sii_reset_pin(mhl_ctrl, 0);
@@ -1428,7 +1396,7 @@
* MHL-USB handshake is implemented
*/
mhl_init_reg_settings(mhl_ctrl, true);
- switch_mode(mhl_ctrl, POWER_STATE_D3);
+ switch_mode(mhl_ctrl, POWER_STATE_D3, true);
return 0;
}
@@ -1710,6 +1678,7 @@
mhl_ctrl->cur_state = POWER_STATE_D0_MHL;
INIT_LIST_HEAD(&mhl_ctrl->list_cmd);
init_completion(&mhl_ctrl->msc_cmd_done);
+ spin_lock_init(&mhl_ctrl->lock);
mhl_ctrl->msc_send_workqueue = create_singlethread_workqueue
("mhl_msc_cmd_queue");
@@ -1813,7 +1782,7 @@
pr_debug("%s: i2c client addr is [%x]\n", __func__, client->addr);
if (mhl_ctrl->pdata->hdmi_pdev) {
rc = msm_hdmi_register_mhl(mhl_ctrl->pdata->hdmi_pdev,
- hdmi_mhl_ops);
+ hdmi_mhl_ops, mhl_ctrl);
if (rc) {
pr_err("%s: register with hdmi failed\n", __func__);
rc = -EPROBE_DEFER;
diff --git a/include/linux/mhl_8334.h b/include/linux/mhl_8334.h
index d8eb494..a66a411 100644
--- a/include/linux/mhl_8334.h
+++ b/include/linux/mhl_8334.h
@@ -158,6 +158,9 @@
int scrpd_busy;
int wr_burst_pending;
struct completion req_write_done;
+ spinlock_t lock;
+ bool tx_powered_off;
+ uint8_t dwnstream_hpd;
};
int mhl_i2c_reg_read(struct i2c_client *client,
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 74b09cb..4bce95c 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -700,6 +700,7 @@
#define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x4000
#define V4L2_QCOM_BUF_FLAG_EOSEQ 0x8000
#define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x10000
+#define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x40000
/*
* O V E R L A Y P R E V I E W
diff --git a/include/media/radio-iris-commands.h b/include/media/radio-iris-commands.h
index d41baa9..0b3331a 100644
--- a/include/media/radio-iris-commands.h
+++ b/include/media/radio-iris-commands.h
@@ -71,6 +71,7 @@
V4L2_CID_PRIVATE_CF0TH12,
V4L2_CID_PRIVATE_SINRFIRSTSTAGE,
V4L2_CID_PRIVATE_RMSSIFIRSTSTAGE,
+ V4L2_CID_PRIVATE_RXREPEATCOUNT,
/*using private CIDs under userclass*/
V4L2_CID_PRIVATE_IRIS_READ_DEFAULT = 0x00980928,
diff --git a/include/media/radio-iris.h b/include/media/radio-iris.h
index 53602c5..d6151c0 100644
--- a/include/media/radio-iris.h
+++ b/include/media/radio-iris.h
@@ -73,6 +73,9 @@
#define CF0TH12_BYTE4_OFFSET 11
#define MAX_SINR_FIRSTSTAGE 127
#define MAX_RMSSI_FIRSTSTAGE 127
+#define RDS_PS0_XFR_MODE 0x01
+#define RDS_PS0_LEN 6
+#define RX_REPEATE_BYTE_OFFSET 5
/* HCI timeouts */
#define RADIO_HCI_TIMEOUT (10000) /* 10 seconds */
diff --git a/include/sound/apr_audio-v2.h b/include/sound/apr_audio-v2.h
index f064837..01e30d0 100644
--- a/include/sound/apr_audio-v2.h
+++ b/include/sound/apr_audio-v2.h
@@ -6928,4 +6928,10 @@
struct afe_port_param_data_v2 pdata;
struct afe_param_id_clip_bank_sel bank_sel;
} __packed;
+
+/* Ultrasound supported formats */
+#define US_POINT_EPOS_FORMAT 0x00012310
+#define US_RAW_FORMAT 0x0001127C
+#define US_PROX_FORMAT 0x0001272B
+
#endif /*_APR_AUDIO_V2_H_ */
diff --git a/include/sound/apr_audio.h b/include/sound/apr_audio.h
index 81636a3..a7933a4 100644
--- a/include/sound/apr_audio.h
+++ b/include/sound/apr_audio.h
@@ -1262,7 +1262,7 @@
#define MPEG4_MULTI_AAC 0x00010D86
#define US_POINT_EPOS_FORMAT 0x00012310
#define US_RAW_FORMAT 0x0001127C
-#define US_PROX_FORMAT 0x00012721
+#define US_PROX_FORMAT 0x0001272B
#define MULTI_CHANNEL_PCM 0x00010C66
#define ASM_ENCDEC_SBCRATE 0x00010C13
diff --git a/kernel/timer.c b/kernel/timer.c
index 24c5d20..cf7217a 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1679,12 +1679,12 @@
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}
- spin_lock_init(&base->lock);
for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);
diff --git a/sound/soc/codecs/wcd9xxx-mbhc.c b/sound/soc/codecs/wcd9xxx-mbhc.c
index daba6d5..a37b4eb 100644
--- a/sound/soc/codecs/wcd9xxx-mbhc.c
+++ b/sound/soc/codecs/wcd9xxx-mbhc.c
@@ -2786,6 +2786,7 @@
wcd9xxx_turn_onoff_rel_detection(codec, true);
pr_debug("%s: leave\n", __func__);
+ return;
gen_err:
pr_err("%s: Error returned, ret: %d\n", __func__, ret);
diff --git a/sound/soc/msm/msm8x10.c b/sound/soc/msm/msm8x10.c
index 1f7712f..4db3ea5 100644
--- a/sound/soc/msm/msm8x10.c
+++ b/sound/soc/msm/msm8x10.c
@@ -759,45 +759,6 @@
.be_hw_params_fixup = msm_be_hw_params_fixup,
.ignore_suspend = 1,
},
- /* Incall Record Uplink BACK END DAI Link */
- {
- .name = LPASS_BE_INCALL_RECORD_TX,
- .stream_name = "Voice Uplink Capture",
- .cpu_dai_name = "msm-dai-q6-dev.32772",
- .platform_name = "msm-pcm-routing",
- .codec_name = "msm-stub-codec.1",
- .codec_dai_name = "msm-stub-tx",
- .no_pcm = 1,
- .be_id = MSM_BACKEND_DAI_INCALL_RECORD_TX,
- .be_hw_params_fixup = msm_be_hw_params_fixup,
- .ignore_suspend = 1,
- },
- /* Incall Record Downlink BACK END DAI Link */
- {
- .name = LPASS_BE_INCALL_RECORD_RX,
- .stream_name = "Voice Downlink Capture",
- .cpu_dai_name = "msm-dai-q6-dev.32771",
- .platform_name = "msm-pcm-routing",
- .codec_name = "msm-stub-codec.1",
- .codec_dai_name = "msm-stub-tx",
- .no_pcm = 1,
- .be_id = MSM_BACKEND_DAI_INCALL_RECORD_RX,
- .be_hw_params_fixup = msm_be_hw_params_fixup,
- .ignore_suspend = 1,
- },
- /* Incall Music BACK END DAI Link */
- {
- .name = LPASS_BE_VOICE_PLAYBACK_TX,
- .stream_name = "Voice Farend Playback",
- .cpu_dai_name = "msm-dai-q6-dev.32773",
- .platform_name = "msm-pcm-routing",
- .codec_name = "msm-stub-codec.1",
- .codec_dai_name = "msm-stub-rx",
- .no_pcm = 1,
- .be_id = MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
- .be_hw_params_fixup = msm_be_hw_params_fixup,
- .ignore_suspend = 1,
- },
};
struct snd_soc_card snd_soc_card_msm8x10 = {
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
index b5f1b6d..fa476ee 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.c
@@ -1708,6 +1708,24 @@
msm_routing_put_voice_mixer),
};
+static const struct snd_kcontrol_new sec_mi2s_rx_voice_mixer_controls[] = {
+ SOC_SINGLE_EXT("CSVoice", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+ MSM_FRONTEND_DAI_CS_VOICE, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("Voice2", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+ MSM_FRONTEND_DAI_VOICE2, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("Voip", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+ MSM_FRONTEND_DAI_VOIP, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("VoLTE", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+ MSM_FRONTEND_DAI_VOLTE, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("DTMF", MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+ MSM_FRONTEND_DAI_DTMF_RX, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
+};
+
static const struct snd_kcontrol_new slimbus_rx_voice_mixer_controls[] = {
SOC_SINGLE_EXT("CSVoice", MSM_BACKEND_DAI_SLIMBUS_0_RX,
MSM_FRONTEND_DAI_CS_VOICE, 1, 0, msm_routing_get_voice_mixer,
@@ -1889,6 +1907,9 @@
SOC_SINGLE_EXT("SEC_AUX_PCM_TX_Voice", MSM_BACKEND_DAI_SEC_AUXPCM_TX,
MSM_FRONTEND_DAI_CS_VOICE, 1, 0, msm_routing_get_voice_mixer,
msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("PRI_MI2S_TX_Voice", MSM_BACKEND_DAI_PRI_MI2S_TX,
+ MSM_FRONTEND_DAI_CS_VOICE, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
};
static const struct snd_kcontrol_new tx_voice2_mixer_controls[] = {
@@ -1958,6 +1979,9 @@
SOC_SINGLE_EXT("SEC_AUX_PCM_TX_Voip", MSM_BACKEND_DAI_SEC_AUXPCM_TX,
MSM_FRONTEND_DAI_VOIP, 1, 0, msm_routing_get_voice_mixer,
msm_routing_put_voice_mixer),
+ SOC_SINGLE_EXT("PRI_MI2S_TX_Voip", MSM_BACKEND_DAI_PRI_MI2S_TX,
+ MSM_FRONTEND_DAI_VOIP, 1, 0, msm_routing_get_voice_mixer,
+ msm_routing_put_voice_mixer),
};
static const struct snd_kcontrol_new tx_voice_stub_mixer_controls[] = {
@@ -2693,6 +2717,10 @@
SND_SOC_NOPM, 0, 0,
sec_i2s_rx_voice_mixer_controls,
ARRAY_SIZE(sec_i2s_rx_voice_mixer_controls)),
+ SND_SOC_DAPM_MIXER("SEC_MI2S_RX_Voice Mixer",
+ SND_SOC_NOPM, 0, 0,
+ sec_mi2s_rx_voice_mixer_controls,
+ ARRAY_SIZE(sec_mi2s_rx_voice_mixer_controls)),
SND_SOC_DAPM_MIXER("SLIM_0_RX_Voice Mixer",
SND_SOC_NOPM, 0, 0,
slimbus_rx_voice_mixer_controls,
@@ -2945,6 +2973,13 @@
{"SEC_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
{"SEC_I2S_RX", NULL, "SEC_RX_Voice Mixer"},
+ {"SEC_MI2S_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
+ {"SEC_MI2S_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
+ {"SEC_MI2S_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
+ {"SEC_MI2S_RX_Voice Mixer", "Voip", "VOIP_DL"},
+ {"SEC_MI2S_RX_Voice Mixer", "DTMF", "DTMF_DL_HL"},
+ {"SEC_MI2S_RX", NULL, "SEC_MI2S_RX_Voice Mixer"},
+
{"SLIM_0_RX_Voice Mixer", "CSVoice", "CS-VOICE_DL1"},
{"SLIM_0_RX_Voice Mixer", "Voice2", "VOICE2_DL"},
{"SLIM_0_RX_Voice Mixer", "VoLTE", "VoLTE_DL"},
@@ -2995,6 +3030,7 @@
{"MI2S_RX", NULL, "MI2S_RX_Voice Mixer"},
{"Voice_Tx Mixer", "PRI_TX_Voice", "PRI_I2S_TX"},
+ {"Voice_Tx Mixer", "PRI_MI2S_TX_Voice", "PRI_MI2S_TX"},
{"Voice_Tx Mixer", "MI2S_TX_Voice", "MI2S_TX"},
{"Voice_Tx Mixer", "SLIM_0_TX_Voice", "SLIMBUS_0_TX"},
{"Voice_Tx Mixer", "INTERNAL_BT_SCO_TX_Voice", "INT_BT_SCO_TX"},
@@ -3026,6 +3062,7 @@
{"Voip_Tx Mixer", "AFE_PCM_TX_Voip", "PCM_TX"},
{"Voip_Tx Mixer", "AUX_PCM_TX_Voip", "AUX_PCM_TX"},
{"Voip_Tx Mixer", "SEC_AUX_PCM_TX_Voip", "SEC_AUX_PCM_TX"},
+ {"Voip_Tx Mixer", "PRI_MI2S_TX_Voip", "PRI_MI2S_TX"},
{"VOIP_UL", NULL, "Voip_Tx Mixer"},
{"SLIMBUS_DL_HL", "Switch", "SLIM0_DL_HL"},