Merge "ASoC: wcd9xxx: refactor common components out of wcd9xxx CODEC drivers"
diff --git a/include/linux/mfd/wcd9xxx/core.h b/include/linux/mfd/wcd9xxx/core.h
index cf57a64..8e8caf7 100644
--- a/include/linux/mfd/wcd9xxx/core.h
+++ b/include/linux/mfd/wcd9xxx/core.h
@@ -19,7 +19,7 @@
#include <linux/platform_device.h>
#include <linux/of_irq.h>
-#define WCD9XXX_NUM_IRQ_REGS 3
+#define WCD9XXX_NUM_IRQ_REGS 4
#define WCD9XXX_SLIM_NUM_PORT_REG 3
@@ -47,6 +47,7 @@
enum {
+ /* INTR_REG 0 */
WCD9XXX_IRQ_SLIMBUS = 0,
WCD9XXX_IRQ_MBHC_REMOVAL,
WCD9XXX_IRQ_MBHC_SHORT_TERM,
@@ -55,6 +56,7 @@
WCD9XXX_IRQ_MBHC_POTENTIAL,
WCD9XXX_IRQ_MBHC_INSERTION,
WCD9XXX_IRQ_BG_PRECHARGE,
+ /* INTR_REG 1 */
WCD9XXX_IRQ_PA1_STARTUP,
WCD9XXX_IRQ_PA2_STARTUP,
WCD9XXX_IRQ_PA3_STARTUP,
@@ -63,12 +65,21 @@
WCD9XXX_IRQ_MICBIAS1_PRECHARGE,
WCD9XXX_IRQ_MICBIAS2_PRECHARGE,
WCD9XXX_IRQ_MICBIAS3_PRECHARGE,
+ /* INTR_REG 2 */
WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
WCD9XXX_IRQ_EAR_PA_OCPL_FAULT,
WCD9XXX_IRQ_HPH_L_PA_STARTUP,
WCD9XXX_IRQ_HPH_R_PA_STARTUP,
WCD9XXX_IRQ_EAR_PA_STARTUP,
+ WCD9XXX_IRQ_RESERVED_0,
+ WCD9XXX_IRQ_RESERVED_1,
+ /* INTR_REG 3 */
+ WCD9XXX_IRQ_MAD_AUDIO,
+ WCD9XXX_IRQ_MAD_BEACON,
+ WCD9XXX_IRQ_MAD_ULTRASOUND,
+ WCD9XXX_IRQ_SPEAKER_CLIPPING,
+ WCD9XXX_IRQ_MBHC_JACK_SWITCH,
WCD9XXX_NUM_IRQS,
};
diff --git a/include/linux/mfd/wcd9xxx/pdata.h b/include/linux/mfd/wcd9xxx/pdata.h
index e831f0b..a7ca417 100644
--- a/include/linux/mfd/wcd9xxx/pdata.h
+++ b/include/linux/mfd/wcd9xxx/pdata.h
@@ -28,6 +28,12 @@
#define SITAR_CFILT2_SEL 0x1
#define SITAR_CFILT3_SEL 0x2
+#define WCD9XXX_LDOH_1P95_V 0x0
+#define WCD9XXX_LDOH_2P35_V 0x1
+#define WCD9XXX_LDOH_2P75_V 0x2
+#define WCD9XXX_LDOH_2P85_V 0x3
+#define WCD9XXX_LDOH_3P0_V 0x3
+
#define TABLA_LDOH_1P95_V 0x0
#define TABLA_LDOH_2P35_V 0x1
#define TABLA_LDOH_2P75_V 0x2
@@ -37,16 +43,6 @@
#define TABLA_CFILT2_SEL 0x1
#define TABLA_CFILT3_SEL 0x2
-#define TAIKO_CFILT1_SEL 0x0
-#define TAIKO_CFILT2_SEL 0x1
-#define TAIKO_CFILT3_SEL 0x2
-
-#define TAIKO_LDOH_1P95_V 0x0
-#define TAIKO_LDOH_2P35_V 0x1
-#define TAIKO_LDOH_2P75_V 0x2
-#define TAIKO_LDOH_2P85_V 0x3
-
-
#define MAX_AMIC_CHANNEL 7
#define TABLA_OCP_300_MA 0x0
diff --git a/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h b/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
index 357f400..4b7a32c 100644
--- a/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
+++ b/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
@@ -16,29 +16,29 @@
#define WCD9XXX_A_CHIP_CTL (0x00)
#define WCD9XXX_A_CHIP_CTL__POR (0x00000000)
#define WCD9XXX_A_CHIP_STATUS (0x01)
-#define WCD9XXX_A_CHIP_STATUS__POR (0x00000000)
-#define WCD9XXX_A_CHIP_ID_BYTE_0 (0x04)
-#define WCD9XXX_A_CHIP_ID_BYTE_0__POR (0x00000000)
-#define WCD9XXX_A_CHIP_ID_BYTE_1 (0x05)
-#define WCD9XXX_A_CHIP_ID_BYTE_1__POR (0x00000000)
-#define WCD9XXX_A_CHIP_ID_BYTE_2 (0x06)
-#define WCD9XXX_A_CHIP_ID_BYTE_2__POR (0x00000000)
-#define WCD9XXX_A_CHIP_ID_BYTE_3 (0x07)
-#define WCD9XXX_A_CHIP_ID_BYTE_3__POR (0x00000001)
+#define WCD9XXX_A_CHIP_STATUS__POR (0x00000000)
+#define WCD9XXX_A_CHIP_ID_BYTE_0 (0x04)
+#define WCD9XXX_A_CHIP_ID_BYTE_0__POR (0x00000000)
+#define WCD9XXX_A_CHIP_ID_BYTE_1 (0x05)
+#define WCD9XXX_A_CHIP_ID_BYTE_1__POR (0x00000000)
+#define WCD9XXX_A_CHIP_ID_BYTE_2 (0x06)
+#define WCD9XXX_A_CHIP_ID_BYTE_2__POR (0x00000000)
+#define WCD9XXX_A_CHIP_ID_BYTE_3 (0x07)
+#define WCD9XXX_A_CHIP_ID_BYTE_3__POR (0x00000001)
#define WCD9XXX_A_CHIP_VERSION (0x08)
-#define WCD9XXX_A_CHIP_VERSION__POR (0x00000020)
+#define WCD9XXX_A_CHIP_VERSION__POR (0x00000020)
#define WCD9XXX_A_SB_VERSION (0x09)
-#define WCD9XXX_A_SB_VERSION__POR (0x00000010)
+#define WCD9XXX_A_SB_VERSION__POR (0x00000010)
#define WCD9XXX_A_SLAVE_ID_1 (0x0C)
-#define WCD9XXX_A_SLAVE_ID_1__POR (0x00000077)
+#define WCD9XXX_A_SLAVE_ID_1__POR (0x00000077)
#define WCD9XXX_A_SLAVE_ID_2 (0x0D)
-#define WCD9XXX_A_SLAVE_ID_2__POR (0x00000066)
+#define WCD9XXX_A_SLAVE_ID_2__POR (0x00000066)
#define WCD9XXX_A_SLAVE_ID_3 (0x0E)
-#define WCD9XXX_A_SLAVE_ID_3__POR (0x00000055)
+#define WCD9XXX_A_SLAVE_ID_3__POR (0x00000055)
#define WCD9XXX_A_CDC_CTL (0x80)
#define WCD9XXX_A_CDC_CTL__POR (0x00000000)
#define WCD9XXX_A_LEAKAGE_CTL (0x88)
-#define WCD9XXX_A_LEAKAGE_CTL__POR (0x00000004)
+#define WCD9XXX_A_LEAKAGE_CTL__POR (0x00000004)
#define WCD9XXX_A_INTR_MODE (0x90)
#define WCD9XXX_A_INTR_MASK0 (0x94)
#define WCD9XXX_A_INTR_STATUS0 (0x98)
@@ -46,5 +46,161 @@
#define WCD9XXX_A_INTR_LEVEL0 (0xA0)
#define WCD9XXX_A_INTR_LEVEL1 (0xA1)
#define WCD9XXX_A_INTR_LEVEL2 (0xA2)
+#define WCD9XXX_A_RX_HPH_CNP_EN (0x1AB)
+#define WCD9XXX_A_RX_HPH_CNP_EN__POR (0x80)
+#define WCD9XXX_A_RX_HPH_CNP_EN (0x1AB)
+#define WCD9XXX_A_RX_HPH_CNP_EN__POR (0x80)
+#define WCD9XXX_A_BIAS_CENTRAL_BG_CTL (0x101)
+#define WCD9XXX_A_BIAS_CENTRAL_BG_CTL__POR (0x50)
+#define WCD9XXX_A_CLK_BUFF_EN1 (0x108)
+#define WCD9XXX_A_CLK_BUFF_EN1__POR (0x04)
+#define WCD9XXX_A_CLK_BUFF_EN2 (0x109)
+#define WCD9XXX_A_CLK_BUFF_EN2__POR (0x02)
+#define WCD9XXX_A_RX_COM_BIAS (0x1A2)
+#define WCD9XXX_A_RX_COM_BIAS__POR (0x00)
+#define WCD9XXX_A_RC_OSC_FREQ (0x1FA)
+#define WCD9XXX_A_RC_OSC_FREQ__POR (0x46)
+#define WCD9XXX_A_BIAS_OSC_BG_CTL (0x105)
+#define WCD9XXX_A_BIAS_OSC_BG_CTL__POR (0x16)
+#define WCD9XXX_A_RC_OSC_TEST (0x1FB)
+#define WCD9XXX_A_RC_OSC_TEST__POR (0x0A)
+#define WCD9XXX_A_CDC_CLK_MCLK_CTL (0x311)
+#define WCD9XXX_A_CDC_CLK_MCLK_CTL__POR (0x00)
+
+#define WCD9XXX_A_CDC_MBHC_EN_CTL (0x3C0)
+#define WCD9XXX_A_CDC_MBHC_EN_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_FIR_B1_CFG (0x3C1)
+#define WCD9XXX_A_CDC_MBHC_FIR_B1_CFG__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_FIR_B2_CFG (0x3C2)
+#define WCD9XXX_A_CDC_MBHC_FIR_B2_CFG__POR (0x06)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B1_CTL (0x3C3)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B1_CTL__POR (0x03)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B2_CTL (0x3C4)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B2_CTL__POR (0x09)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B3_CTL (0x3C5)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B3_CTL__POR (0x1E)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B4_CTL (0x3C6)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B4_CTL__POR (0x45)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B5_CTL (0x3C7)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B5_CTL__POR (0x04)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B6_CTL (0x3C8)
+#define WCD9XXX_A_CDC_MBHC_TIMER_B6_CTL__POR (0x78)
+#define WCD9XXX_A_CDC_MBHC_B1_STATUS (0x3C9)
+#define WCD9XXX_A_CDC_MBHC_B1_STATUS__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_B2_STATUS (0x3CA)
+#define WCD9XXX_A_CDC_MBHC_B2_STATUS__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_B3_STATUS (0x3CB)
+#define WCD9XXX_A_CDC_MBHC_B3_STATUS__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_B4_STATUS (0x3CC)
+#define WCD9XXX_A_CDC_MBHC_B4_STATUS__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_B5_STATUS (0x3CD)
+#define WCD9XXX_A_CDC_MBHC_B5_STATUS__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_B1_CTL (0x3CE)
+#define WCD9XXX_A_CDC_MBHC_B1_CTL__POR (0xC0)
+#define WCD9XXX_A_CDC_MBHC_B2_CTL (0x3CF)
+#define WCD9XXX_A_CDC_MBHC_B2_CTL__POR (0x5D)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL (0x3D0)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL (0x3D1)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B3_CTL (0x3D2)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B3_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B4_CTL (0x3D3)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B4_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B5_CTL (0x3D4)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B5_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B6_CTL (0x3D5)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B6_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B7_CTL (0x3D6)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B7_CTL__POR (0xFF)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B8_CTL (0x3D7)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B8_CTL__POR (0x07)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B9_CTL (0x3D8)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B9_CTL__POR (0xFF)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B10_CTL (0x3D9)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B10_CTL__POR (0x7F)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B11_CTL (0x3DA)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B11_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B12_CTL (0x3DB)
+#define WCD9XXX_A_CDC_MBHC_VOLT_B12_CTL__POR (0x80)
+#define WCD9XXX_A_CDC_MBHC_CLK_CTL (0x3DC)
+#define WCD9XXX_A_CDC_MBHC_CLK_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_INT_CTL (0x3DD)
+#define WCD9XXX_A_CDC_MBHC_INT_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_DEBUG_CTL (0x3DE)
+#define WCD9XXX_A_CDC_MBHC_DEBUG_CTL__POR (0x00)
+#define WCD9XXX_A_CDC_MBHC_SPARE (0x3DF)
+#define WCD9XXX_A_CDC_MBHC_SPARE__POR (0x00)
+#define WCD9XXX_A_MBHC_SCALING_MUX_1 (0x14E)
+#define WCD9XXX_A_MBHC_SCALING_MUX_1__POR (0x00)
+#define WCD9XXX_A_RX_HPH_OCP_CTL (0x1AA)
+#define WCD9XXX_A_RX_HPH_OCP_CTL__POR (0x68)
+#define WCD9XXX_A_MICB_1_CTL (0x12B)
+#define WCD9XXX_A_MICB_1_CTL__POR (0x16)
+#define WCD9XXX_A_MICB_1_INT_RBIAS (0x12C)
+#define WCD9XXX_A_MICB_1_INT_RBIAS__POR (0x24)
+#define WCD9XXX_A_MICB_1_MBHC (0x12D)
+#define WCD9XXX_A_MICB_1_MBHC__POR (0x01)
+#define WCD9XXX_A_MICB_CFILT_2_CTL (0x12E)
+#define WCD9XXX_A_MICB_CFILT_2_CTL__POR (0x40)
+#define WCD9XXX_A_MICB_CFILT_2_VAL (0x12F)
+#define WCD9XXX_A_MICB_CFILT_2_VAL__POR (0x80)
+#define WCD9XXX_A_MICB_CFILT_2_PRECHRG (0x130)
+#define WCD9XXX_A_MICB_CFILT_2_PRECHRG__POR (0x38)
+#define WCD9XXX_A_MICB_2_CTL (0x131)
+#define WCD9XXX_A_MICB_2_CTL__POR (0x16)
+#define WCD9XXX_A_MICB_2_INT_RBIAS (0x132)
+#define WCD9XXX_A_MICB_2_INT_RBIAS__POR (0x24)
+#define WCD9XXX_A_MICB_2_MBHC (0x133)
+#define WCD9XXX_A_MICB_2_MBHC__POR (0x02)
+#define WCD9XXX_A_MICB_CFILT_3_CTL (0x134)
+#define WCD9XXX_A_MICB_CFILT_3_CTL__POR (0x40)
+#define WCD9XXX_A_MICB_CFILT_3_VAL (0x135)
+#define WCD9XXX_A_MICB_CFILT_3_VAL__POR (0x80)
+#define WCD9XXX_A_MICB_CFILT_3_PRECHRG (0x136)
+#define WCD9XXX_A_MICB_CFILT_3_PRECHRG__POR (0x38)
+#define WCD9XXX_A_MICB_3_CTL (0x137)
+#define WCD9XXX_A_MICB_3_CTL__POR (0x16)
+#define WCD9XXX_A_MICB_3_INT_RBIAS (0x138)
+#define WCD9XXX_A_MICB_3_INT_RBIAS__POR (0x24)
+#define WCD9XXX_A_MICB_3_MBHC (0x139)
+#define WCD9XXX_A_MICB_3_MBHC__POR (0x00)
+#define WCD9XXX_A_MICB_4_CTL (0x13D)
+#define WCD9XXX_A_MICB_4_CTL__POR (0x16)
+#define WCD9XXX_A_MICB_4_INT_RBIAS (0x13E)
+#define WCD9XXX_A_MICB_4_INT_RBIAS__POR (0x24)
+#define WCD9XXX_A_MICB_4_MBHC (0x13F)
+#define WCD9XXX_A_MICB_4_MBHC__POR (0x01)
+#define WCD9XXX_A_MICB_CFILT_1_VAL (0x129)
+#define WCD9XXX_A_MICB_CFILT_1_VAL__POR (0x80)
+#define WCD9XXX_A_MBHC_HPH (0x1FE)
+#define WCD9XXX_A_MBHC_HPH__POR (0x44)
+#define WCD9XXX_A_RX_HPH_CNP_WG_TIME (0x1AD)
+#define WCD9XXX_A_RX_HPH_CNP_WG_TIME__POR (0x2A)
+#define WCD9XXX_A_RX_HPH_R_DAC_CTL (0x1B7)
+#define WCD9XXX_A_RX_HPH_R_DAC_CTL__POR (0x00)
+#define WCD9XXX_A_RX_HPH_L_DAC_CTL (0x1B1)
+#define WCD9XXX_A_RX_HPH_L_DAC_CTL__POR (0x00)
+#define WCD9XXX_A_TX_7_MBHC_EN (0x171)
+#define WCD9XXX_A_TX_7_MBHC_EN__POR (0x0C)
+#define WCD9XXX_A_PIN_CTL_OE0 (0x010)
+#define WCD9XXX_A_PIN_CTL_OE0__POR (0x00)
+#define WCD9XXX_A_PIN_CTL_OE1 (0x011)
+#define WCD9XXX_A_PIN_CTL_OE1__POR (0x00)
+#define WCD9XXX_A_MICB_CFILT_1_CTL (0x128)
+#define WCD9XXX_A_LDO_H_MODE_1 (0x110)
+#define WCD9XXX_A_LDO_H_MODE_1__POR (0x65)
+#define WCD9XXX_A_MICB_CFILT_1_CTL__POR (0x40)
+#define WCD9XXX_A_TX_7_MBHC_TEST_CTL (0x174)
+#define WCD9XXX_A_TX_7_MBHC_TEST_CTL__POR (0x38)
+#define WCD9XXX_A_MBHC_SCALING_MUX_2 (0x14F)
+#define WCD9XXX_A_MBHC_SCALING_MUX_2__POR (0x80)
+#define WCD9XXX_A_TX_COM_BIAS (0x14C)
+#define WCD9XXX_A_TX_COM_BIAS__POR (0xF0)
+
+#define WCD9XXX_A_MBHC_INSERT_DETECT (0x14A) /* TAIKO and later */
+#define WCD9XXX_A_MBHC_INSERT_DETECT__POR (0x00)
+#define WCD9XXX_A_MBHC_INSERT_DET_STATUS (0x14B) /* TAIKO and later */
+#define WCD9XXX_A_MBHC_INSERT_DET_STATUS__POR (0x00)
#endif
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 5aabfee..1c9d86b 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -51,7 +51,7 @@
snd-soc-wcd9304-objs := wcd9304.o wcd9304-tables.o
snd-soc-wcd9310-objs := wcd9310.o wcd9310-tables.o
snd-soc-cs8427-objs := cs8427.o
-snd-soc-wcd9320-objs := wcd9320.o wcd9320-tables.o
+snd-soc-wcd9320-objs := wcd9xxx-resmgr.o wcd9320.o wcd9320-tables.o wcd9xxx-mbhc.o
snd-soc-wl1273-objs := wl1273.o
snd-soc-wm1250-ev1-objs := wm1250-ev1.o
snd-soc-wm2000-objs := wm2000.o
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index 0c36c4a..886e4d3 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -33,37 +33,19 @@
#include <linux/kernel.h>
#include <linux/gpio.h>
#include "wcd9320.h"
+#include "wcd9xxx-resmgr.h"
#define WCD9320_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
-
#define NUM_DECIMATORS 10
#define NUM_INTERPOLATORS 7
#define BITS_PER_REG 8
-#define TAIKO_CFILT_FAST_MODE 0x00
-#define TAIKO_CFILT_SLOW_MODE 0x40
-#define MBHC_FW_READ_ATTEMPTS 15
-#define MBHC_FW_READ_TIMEOUT 2000000
#define TAIKO_TX_PORT_NUMBER 16
-enum {
- MBHC_USE_HPHL_TRIGGER = 1,
- MBHC_USE_MB_TRIGGER = 2
-};
-
-#define MBHC_NUM_DCE_PLUG_DETECT 3
-#define NUM_ATTEMPTS_INSERT_DETECT 25
-#define NUM_ATTEMPTS_TO_REPORT 5
-
-#define TAIKO_JACK_MASK (SND_JACK_HEADSET | SND_JACK_OC_HPHL | \
- SND_JACK_OC_HPHR | SND_JACK_UNSUPPORTED)
-
#define TAIKO_I2S_MASTER_MODE_MASK 0x08
-#define TAIKO_OCP_ATTEMPT 1
-
enum {
AIF1_PB = 0,
AIF1_CAP,
@@ -92,56 +74,12 @@
#define TAIKO_COMP_DIGITAL_GAIN_OFFSET 3
-#define TAIKO_MCLK_RATE_12288KHZ 12288000
-#define TAIKO_MCLK_RATE_9600KHZ 9600000
-
-#define TAIKO_FAKE_INS_THRESHOLD_MS 2500
-#define TAIKO_FAKE_REMOVAL_MIN_PERIOD_MS 50
-
-#define TAIKO_MBHC_BUTTON_MIN 0x8000
-
-#define TAIKO_MBHC_FAKE_INSERT_LOW 10
-#define TAIKO_MBHC_FAKE_INSERT_HIGH 80
-#define TAIKO_MBHC_FAKE_INS_HIGH_NO_GPIO 150
-
-#define TAIKO_MBHC_STATUS_REL_DETECTION 0x0C
-
-#define TAIKO_MBHC_GPIO_REL_DEBOUNCE_TIME_MS 200
-
-#define TAIKO_MBHC_FAKE_INS_DELTA_MV 200
-#define TAIKO_MBHC_FAKE_INS_DELTA_SCALED_MV 300
-
-#define TAIKO_HS_DETECT_PLUG_TIME_MS (5 * 1000)
-#define TAIKO_HS_DETECT_PLUG_INERVAL_MS 100
-
-#define TAIKO_GPIO_IRQ_DEBOUNCE_TIME_US 5000
-
-#define TAIKO_MBHC_GND_MIC_SWAP_THRESHOLD 2
-
-#define TAIKO_ACQUIRE_LOCK(x) do { mutex_lock(&x); } while (0)
-#define TAIKO_RELEASE_LOCK(x) do { mutex_unlock(&x); } while (0)
-
static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
static struct snd_soc_dai_driver taiko_dai[];
static const DECLARE_TLV_DB_SCALE(aux_pga_gain, 0, 2, 0);
-enum taiko_bandgap_type {
- TAIKO_BANDGAP_OFF = 0,
- TAIKO_BANDGAP_AUDIO_MODE,
- TAIKO_BANDGAP_MBHC_MODE,
-};
-
-struct mbhc_micbias_regs {
- u16 cfilt_val;
- u16 cfilt_ctl;
- u16 mbhc_reg;
- u16 int_rbias;
- u16 ctl_reg;
- u8 cfilt_sel;
-};
-
/* Codec supports 2 IIR filters */
enum {
IIR1 = 0,
@@ -174,72 +112,12 @@
COMPANDER_FS_MAX,
};
-/* Flags to track of PA and DAC state.
- * PA and DAC should be tracked separately as AUXPGA loopback requires
- * only PA to be turned on without DAC being on. */
-enum taiko_priv_ack_flags {
- TAIKO_HPHL_PA_OFF_ACK = 0,
- TAIKO_HPHR_PA_OFF_ACK,
- TAIKO_HPHL_DAC_OFF_ACK,
- TAIKO_HPHR_DAC_OFF_ACK
-};
-
-
struct comp_sample_dependent_params {
u32 peak_det_timeout;
u32 rms_meter_div_fact;
u32 rms_meter_resamp_fact;
};
-/* Data used by MBHC */
-struct mbhc_internal_cal_data {
- u16 dce_z;
- u16 dce_mb;
- u16 sta_z;
- u16 sta_mb;
- u32 t_sta_dce;
- u32 t_dce;
- u32 t_sta;
- u32 micb_mv;
- u16 v_ins_hu;
- u16 v_ins_h;
- u16 v_b1_hu;
- u16 v_b1_h;
- u16 v_b1_huc;
- u16 v_brh;
- u16 v_brl;
- u16 v_no_mic;
- u8 npoll;
- u8 nbounce_wait;
- s16 adj_v_hs_max;
- u16 adj_v_ins_hu;
- u16 adj_v_ins_h;
- s16 v_inval_ins_low;
- s16 v_inval_ins_high;
-};
-
-struct taiko_reg_address {
- u16 micb_4_ctl;
- u16 micb_4_int_rbias;
- u16 micb_4_mbhc;
-};
-
-enum taiko_mbhc_plug_type {
- PLUG_TYPE_INVALID = -1,
- PLUG_TYPE_NONE,
- PLUG_TYPE_HEADSET,
- PLUG_TYPE_HEADPHONE,
- PLUG_TYPE_HIGH_HPH,
- PLUG_TYPE_GND_MIC_SWAP,
-};
-
-enum taiko_mbhc_state {
- MBHC_STATE_NONE = -1,
- MBHC_STATE_POTENTIAL,
- MBHC_STATE_POTENTIAL_RECOVERY,
- MBHC_STATE_RELEASE,
-};
-
struct hpf_work {
struct taiko_priv *taiko;
u32 decimator;
@@ -295,58 +173,17 @@
struct taiko_priv {
struct snd_soc_codec *codec;
- struct taiko_reg_address reg_addr;
u32 adc_count;
- u32 cfilt1_cnt;
- u32 cfilt2_cnt;
- u32 cfilt3_cnt;
u32 rx_bias_count;
s32 dmic_1_2_clk_cnt;
s32 dmic_3_4_clk_cnt;
s32 dmic_5_6_clk_cnt;
- enum taiko_bandgap_type bandgap_type;
- bool mclk_enabled;
- bool clock_active;
- bool config_mode_active;
- bool mbhc_polling_active;
- unsigned long mbhc_fake_ins_start;
- int buttons_pressed;
- enum taiko_mbhc_state mbhc_state;
- struct taiko_mbhc_config mbhc_cfg;
- struct mbhc_internal_cal_data mbhc_data;
-
- struct wcd9xxx_pdata *pdata;
u32 anc_slot;
- bool no_mic_headset_override;
- /* Delayed work to report long button press */
- struct delayed_work mbhc_btn_dwork;
-
- struct mbhc_micbias_regs mbhc_bias_regs;
- bool mbhc_micbias_switched;
-
- /* track PA/DAC state */
- unsigned long hph_pa_dac_state;
-
/*track taiko interface type*/
u8 intf_type;
- u32 hph_status; /* track headhpone status */
- /* define separate work for left and right headphone OCP to avoid
- * additional checking on which OCP event to report so no locking
- * to ensure synchronization is required
- */
- struct work_struct hphlocp_work; /* reporting left hph ocp off */
- struct work_struct hphrocp_work; /* reporting right hph ocp off */
-
- u8 hphlocp_cnt; /* headphone left ocp retry */
- u8 hphrocp_cnt; /* headphone right ocp retry */
-
- /* Work to perform MBHC Firmware Read */
- struct delayed_work mbhc_firmware_dwork;
- const struct firmware *mbhc_fw;
-
/* num of slim ports required */
struct wcd9xxx_codec_dai_data dai[NUM_CODEC_DAIS];
@@ -359,29 +196,12 @@
u8 aux_l_gain;
u8 aux_r_gain;
- struct delayed_work mbhc_insert_dwork;
- unsigned long mbhc_last_resume; /* in jiffies */
-
- u8 current_plug;
- struct work_struct hs_correct_plug_work;
- bool hs_detect_work_stop;
- bool hs_polling_irq_prepared;
- bool lpi_enabled; /* low power insertion detection */
- bool in_gpio_handler;
- /* Currently, only used for mbhc purpose, to protect
- * concurrent execution of mbhc threaded irq handlers and
- * kill race between DAPM and MBHC.But can serve as a
- * general lock to protect codec resource
- */
- struct mutex codec_resource_lock;
-
-#ifdef CONFIG_DEBUG_FS
- struct dentry *debugfs_poke;
- struct dentry *debugfs_mbhc;
-#endif
+ /* resmgr module */
+ struct wcd9xxx_resmgr resmgr;
+ /* mbhc module */
+ struct wcd9xxx_mbhc mbhc;
};
-
static const u32 comp_shift[] = {
0,
2,
@@ -1960,173 +1780,6 @@
return 0;
}
-static void taiko_codec_enable_audio_mode_bandgap(struct snd_soc_codec *codec)
-{
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x80,
- 0x80);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x04,
- 0x04);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x01,
- 0x01);
- usleep_range(1000, 1000);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x80,
- 0x00);
-}
-
-static void taiko_codec_enable_bandgap(struct snd_soc_codec *codec,
- enum taiko_bandgap_type choice)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- /* TODO lock resources accessed by audio streams and threaded
- * interrupt handlers
- */
-
- pr_debug("%s, choice is %d, current is %d\n", __func__, choice,
- taiko->bandgap_type);
-
- if (taiko->bandgap_type == choice)
- return;
-
- if ((taiko->bandgap_type == TAIKO_BANDGAP_OFF) &&
- (choice == TAIKO_BANDGAP_AUDIO_MODE)) {
- taiko_codec_enable_audio_mode_bandgap(codec);
- } else if (choice == TAIKO_BANDGAP_MBHC_MODE) {
- /* bandgap mode becomes fast,
- * mclk should be off or clk buff source souldn't be VBG
- * Let's turn off mclk always */
- WARN_ON(snd_soc_read(codec, TAIKO_A_CLK_BUFF_EN2) & (1 << 2));
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x2,
- 0x2);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x80,
- 0x80);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x4,
- 0x4);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x01,
- 0x01);
- usleep_range(1000, 1000);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x80,
- 0x00);
- } else if ((taiko->bandgap_type == TAIKO_BANDGAP_MBHC_MODE) &&
- (choice == TAIKO_BANDGAP_AUDIO_MODE)) {
- snd_soc_write(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x00);
- usleep_range(100, 100);
- taiko_codec_enable_audio_mode_bandgap(codec);
- } else if (choice == TAIKO_BANDGAP_OFF) {
- snd_soc_write(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x50);
- } else {
- pr_err("%s: Error, Invalid bandgap settings\n", __func__);
- }
- taiko->bandgap_type = choice;
-}
-
-static void taiko_codec_disable_clock_block(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- pr_debug("%s\n", __func__);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN2, 0x04, 0x00);
- usleep_range(50, 50);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN2, 0x02, 0x02);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x01, 0x00);
- usleep_range(50, 50);
- taiko->clock_active = false;
-}
-
-static int taiko_codec_mclk_index(const struct taiko_priv *taiko)
-{
- if (taiko->mbhc_cfg.mclk_rate == TAIKO_MCLK_RATE_12288KHZ)
- return 0;
- else if (taiko->mbhc_cfg.mclk_rate == TAIKO_MCLK_RATE_9600KHZ)
- return 1;
- else {
- BUG_ON(1);
- return -EINVAL;
- }
-}
-
-static void taiko_enable_rx_bias(struct snd_soc_codec *codec, u32 enable)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- if (enable) {
- taiko->rx_bias_count++;
- if (taiko->rx_bias_count == 1)
- snd_soc_update_bits(codec, TAIKO_A_RX_COM_BIAS,
- 0x80, 0x80);
- } else {
- taiko->rx_bias_count--;
- if (!taiko->rx_bias_count)
- snd_soc_update_bits(codec, TAIKO_A_RX_COM_BIAS,
- 0x80, 0x00);
- }
-}
-
-static int taiko_codec_enable_config_mode(struct snd_soc_codec *codec,
- int enable)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- pr_debug("%s: enable = %d\n", __func__, enable);
- if (enable) {
-
- snd_soc_update_bits(codec, TAIKO_A_RC_OSC_FREQ, 0x10, 0);
- /* bandgap mode to fast */
- snd_soc_write(codec, TAIKO_A_BIAS_OSC_BG_CTL, 0x17);
- usleep_range(5, 5);
- snd_soc_update_bits(codec, TAIKO_A_RC_OSC_FREQ, 0x80,
- 0x80);
- snd_soc_update_bits(codec, TAIKO_A_RC_OSC_TEST, 0x80,
- 0x80);
- usleep_range(10, 10);
- snd_soc_update_bits(codec, TAIKO_A_RC_OSC_TEST, 0x80, 0);
- usleep_range(10000, 10000);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x08, 0x08);
-
- } else {
- snd_soc_update_bits(codec, TAIKO_A_BIAS_OSC_BG_CTL, 0x1,
- 0);
- snd_soc_update_bits(codec, TAIKO_A_RC_OSC_FREQ, 0x80, 0);
- /* clk source to ext clk and clk buff ref to VBG */
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x0C, 0x04);
- }
- taiko->config_mode_active = enable ? true : false;
-
- return 0;
-}
-
-static int taiko_codec_enable_clock_block(struct snd_soc_codec *codec,
- int config_mode)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- pr_debug("%s: config_mode = %d\n", __func__, config_mode);
-
- /* transit to RCO requires mclk off */
- WARN_ON(snd_soc_read(codec, TAIKO_A_CLK_BUFF_EN2) & (1 << 2));
- if (config_mode) {
- /* enable RCO and switch to it */
- taiko_codec_enable_config_mode(codec, 1);
- snd_soc_write(codec, TAIKO_A_CLK_BUFF_EN2, 0x02);
- usleep_range(1000, 1000);
- } else {
- /* switch to MCLK */
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x08, 0x00);
-
- if (taiko->mbhc_polling_active)
- snd_soc_write(codec, TAIKO_A_CLK_BUFF_EN2, 0x02);
- taiko_codec_enable_config_mode(codec, 0);
- }
-
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x01, 0x01);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN2, 0x02, 0x00);
- /* on MCLK */
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN2, 0x04, 0x04);
- snd_soc_update_bits(codec, TAIKO_A_CDC_CLK_MCLK_CTL, 0x01, 0x01);
- usleep_range(50, 50);
- taiko->clock_active = true;
- return 0;
-}
-
static int taiko_codec_enable_aux_pga(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@@ -2137,32 +1790,22 @@
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- taiko_codec_enable_bandgap(codec, TAIKO_BANDGAP_AUDIO_MODE);
- taiko_enable_rx_bias(codec, 1);
-
- if (taiko->aux_pga_cnt++ == 1
- && !taiko->mclk_enabled) {
- taiko_codec_enable_clock_block(codec, 1);
- pr_debug("AUX PGA enabled RC osc\n");
- }
+ WCD9XXX_BCL_LOCK(&taiko->resmgr);
+ wcd9xxx_resmgr_get_bandgap(&taiko->resmgr,
+ WCD9XXX_BANDGAP_AUDIO_MODE);
+ /* AUX PGA requires RCO or MCLK */
+ wcd9xxx_resmgr_get_clk_block(&taiko->resmgr, WCD9XXX_CLK_RCO);
+ wcd9xxx_resmgr_enable_rx_bias(&taiko->resmgr, 1);
+ WCD9XXX_BCL_UNLOCK(&taiko->resmgr);
break;
case SND_SOC_DAPM_POST_PMD:
- taiko_enable_rx_bias(codec, 0);
-
- if (taiko->aux_pga_cnt-- == 0) {
- if (taiko->mbhc_polling_active)
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_MBHC_MODE);
- else
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_OFF);
-
- if (!taiko->mclk_enabled &&
- !taiko->mbhc_polling_active) {
- taiko_codec_enable_clock_block(codec, 0);
- }
- }
+ WCD9XXX_BCL_LOCK(&taiko->resmgr);
+ wcd9xxx_resmgr_enable_rx_bias(&taiko->resmgr, 0);
+ wcd9xxx_resmgr_put_bandgap(&taiko->resmgr,
+ WCD9XXX_BANDGAP_AUDIO_MODE);
+ wcd9xxx_resmgr_put_clk_block(&taiko->resmgr, WCD9XXX_CLK_RCO);
+ WCD9XXX_BCL_UNLOCK(&taiko->resmgr);
break;
}
return 0;
@@ -2389,358 +2032,47 @@
return 0;
}
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_start_hs_polling(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- int mbhc_state = taiko->mbhc_state;
-
- pr_debug("%s: enter\n", __func__);
- if (!taiko->mbhc_polling_active) {
- pr_debug("Polling is not active, do not start polling\n");
- return;
- }
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x84);
-
- if (!taiko->no_mic_headset_override) {
- if (mbhc_state == MBHC_STATE_POTENTIAL) {
- pr_debug("%s recovering MBHC state macine\n", __func__);
- taiko->mbhc_state = MBHC_STATE_POTENTIAL_RECOVERY;
- /* set to max button press threshold */
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B2_CTL,
- 0x7F);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B1_CTL,
- 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B4_CTL,
- 0x7F);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B3_CTL,
- 0xFF);
- /* set to max */
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B6_CTL,
- 0x7F);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B5_CTL,
- 0xFF);
- }
- }
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x1);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x1);
- pr_debug("%s: leave\n", __func__);
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_pause_hs_polling(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- pr_debug("%s: enter\n", __func__);
- if (!taiko->mbhc_polling_active) {
- pr_debug("polling not active, nothing to pause\n");
- return;
- }
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
- pr_debug("%s: leave\n", __func__);
-}
-
-static void taiko_codec_switch_cfilt_mode(struct snd_soc_codec *codec, int mode)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- u8 reg_mode_val, cur_mode_val;
- bool mbhc_was_polling = false;
-
- if (mode)
- reg_mode_val = TAIKO_CFILT_FAST_MODE;
- else
- reg_mode_val = TAIKO_CFILT_SLOW_MODE;
-
- cur_mode_val = snd_soc_read(codec,
- taiko->mbhc_bias_regs.cfilt_ctl) & 0x40;
-
- if (cur_mode_val != reg_mode_val) {
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- if (taiko->mbhc_polling_active) {
- taiko_codec_pause_hs_polling(codec);
- mbhc_was_polling = true;
- }
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.cfilt_ctl, 0x40, reg_mode_val);
- if (mbhc_was_polling)
- taiko_codec_start_hs_polling(codec);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- pr_debug("%s: CFILT mode change (%x to %x)\n", __func__,
- cur_mode_val, reg_mode_val);
- } else {
- pr_debug("%s: CFILT Value is already %x\n",
- __func__, cur_mode_val);
- }
-}
-
-static void taiko_codec_update_cfilt_usage(struct snd_soc_codec *codec,
- u8 cfilt_sel, int inc)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- u32 *cfilt_cnt_ptr = NULL;
- u16 micb_cfilt_reg;
-
- switch (cfilt_sel) {
- case TAIKO_CFILT1_SEL:
- cfilt_cnt_ptr = &taiko->cfilt1_cnt;
- micb_cfilt_reg = TAIKO_A_MICB_CFILT_1_CTL;
- break;
- case TAIKO_CFILT2_SEL:
- cfilt_cnt_ptr = &taiko->cfilt2_cnt;
- micb_cfilt_reg = TAIKO_A_MICB_CFILT_2_CTL;
- break;
- case TAIKO_CFILT3_SEL:
- cfilt_cnt_ptr = &taiko->cfilt3_cnt;
- micb_cfilt_reg = TAIKO_A_MICB_CFILT_3_CTL;
- break;
- default:
- return; /* should not happen */
- }
-
- if (inc) {
- if (!(*cfilt_cnt_ptr)++) {
- /* Switch CFILT to slow mode if MBHC CFILT being used */
- if (cfilt_sel == taiko->mbhc_bias_regs.cfilt_sel)
- taiko_codec_switch_cfilt_mode(codec, 0);
-
- snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0x80);
- }
- } else {
- /* check if count not zero, decrement
- * then check if zero, go ahead disable cfilter
- */
- if ((*cfilt_cnt_ptr) && !--(*cfilt_cnt_ptr)) {
- snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0);
-
- /* Switch CFILT to fast mode if MBHC CFILT being used */
- if (cfilt_sel == taiko->mbhc_bias_regs.cfilt_sel)
- taiko_codec_switch_cfilt_mode(codec, 1);
- }
- }
-}
-
-static int taiko_find_k_value(unsigned int ldoh_v, unsigned int cfilt_mv)
-{
- int rc = -EINVAL;
- unsigned min_mv, max_mv;
-
- switch (ldoh_v) {
- case TAIKO_LDOH_1P95_V:
- min_mv = 160;
- max_mv = 1800;
- break;
- case TAIKO_LDOH_2P35_V:
- min_mv = 200;
- max_mv = 2200;
- break;
- case TAIKO_LDOH_2P75_V:
- min_mv = 240;
- max_mv = 2600;
- break;
- case TAIKO_LDOH_2P85_V:
- min_mv = 250;
- max_mv = 2700;
- break;
- default:
- goto done;
- }
-
- if (cfilt_mv < min_mv || cfilt_mv > max_mv)
- goto done;
-
- for (rc = 4; rc <= 44; rc++) {
- min_mv = max_mv * (rc) / 44;
- if (min_mv >= cfilt_mv) {
- rc -= 4;
- break;
- }
- }
-done:
- return rc;
-}
-
-static bool taiko_is_hph_pa_on(struct snd_soc_codec *codec)
-{
- u8 hph_reg_val = 0;
- hph_reg_val = snd_soc_read(codec, TAIKO_A_RX_HPH_CNP_EN);
-
- return (hph_reg_val & 0x30) ? true : false;
-}
-
-static bool taiko_is_hph_dac_on(struct snd_soc_codec *codec, int left)
-{
- u8 hph_reg_val = 0;
- if (left)
- hph_reg_val = snd_soc_read(codec,
- TAIKO_A_RX_HPH_L_DAC_CTL);
- else
- hph_reg_val = snd_soc_read(codec,
- TAIKO_A_RX_HPH_R_DAC_CTL);
-
- return (hph_reg_val & 0xC0) ? true : false;
-}
-
-static void taiko_turn_onoff_override(struct snd_soc_codec *codec, bool on)
-{
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x04, on << 2);
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_drive_v_to_micbias(struct snd_soc_codec *codec,
- int usec)
-{
- int cfilt_k_val;
- bool set = true;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- if (taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
- taiko->mbhc_micbias_switched) {
- pr_debug("%s: set mic V to micbias V\n", __func__);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
- taiko_turn_onoff_override(codec, true);
- while (1) {
- cfilt_k_val = taiko_find_k_value(
- taiko->pdata->micbias.ldoh_v,
- set ? taiko->mbhc_data.micb_mv :
- VDDIO_MICBIAS_MV);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.cfilt_val,
- 0xFC, (cfilt_k_val << 2));
- if (!set)
- break;
- usleep_range(usec, usec);
- set = false;
- }
- taiko_turn_onoff_override(codec, false);
- }
-}
-
-/* called under codec_resource_lock acquisition */
-static void __taiko_codec_switch_micbias(struct snd_soc_codec *codec,
- int vddio_switch, bool restartpolling,
- bool checkpolling)
-{
- int cfilt_k_val;
- bool override;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- if (vddio_switch && !taiko->mbhc_micbias_switched &&
- (!checkpolling || taiko->mbhc_polling_active)) {
- if (restartpolling)
- taiko_codec_pause_hs_polling(codec);
- override = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B1_CTL) & 0x04;
- if (!override)
- taiko_turn_onoff_override(codec, true);
- /* Adjust threshold if Mic Bias voltage changes */
- if (taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
- cfilt_k_val = taiko_find_k_value(
- taiko->pdata->micbias.ldoh_v,
- VDDIO_MICBIAS_MV);
- usleep_range(10000, 10000);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.cfilt_val,
- 0xFC, (cfilt_k_val << 2));
- usleep_range(10000, 10000);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B1_CTL,
- taiko->mbhc_data.adj_v_ins_hu & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B2_CTL,
- (taiko->mbhc_data.adj_v_ins_hu >> 8) &
- 0xFF);
- pr_debug("%s: Programmed MBHC thresholds to VDDIO\n",
- __func__);
- }
-
- /* enable MIC BIAS Switch to VDDIO */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x80, 0x80);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x10, 0x00);
- if (!override)
- taiko_turn_onoff_override(codec, false);
- if (restartpolling)
- taiko_codec_start_hs_polling(codec);
-
- taiko->mbhc_micbias_switched = true;
- pr_debug("%s: VDDIO switch enabled\n", __func__);
- } else if (!vddio_switch && taiko->mbhc_micbias_switched) {
- if ((!checkpolling || taiko->mbhc_polling_active) &&
- restartpolling)
- taiko_codec_pause_hs_polling(codec);
- /* Reprogram thresholds */
- if (taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
- cfilt_k_val = taiko_find_k_value(
- taiko->pdata->micbias.ldoh_v,
- taiko->mbhc_data.micb_mv);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.cfilt_val,
- 0xFC, (cfilt_k_val << 2));
- usleep_range(10000, 10000);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B1_CTL,
- taiko->mbhc_data.v_ins_hu & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B2_CTL,
- (taiko->mbhc_data.v_ins_hu >> 8) & 0xFF);
- pr_debug("%s: Programmed MBHC thresholds to MICBIAS\n",
- __func__);
- }
-
- /* Disable MIC BIAS Switch to VDDIO */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x80, 0x00);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x10, 0x00);
-
- if ((!checkpolling || taiko->mbhc_polling_active) &&
- restartpolling)
- taiko_codec_start_hs_polling(codec);
-
- taiko->mbhc_micbias_switched = false;
- pr_debug("%s: VDDIO switch disabled\n", __func__);
- }
-}
-
-static void taiko_codec_switch_micbias(struct snd_soc_codec *codec,
- int vddio_switch)
-{
- return __taiko_codec_switch_micbias(codec, vddio_switch, true, true);
-}
-
static int taiko_codec_enable_micbias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
u16 micb_int_reg;
- int micb_line;
u8 cfilt_sel_val = 0;
char *internal1_text = "Internal1";
char *internal2_text = "Internal2";
char *internal3_text = "Internal3";
+ enum wcd9xxx_notify_event e_post_off, e_pre_on, e_post_on;
pr_debug("%s %d\n", __func__, event);
switch (w->reg) {
case TAIKO_A_MICB_1_CTL:
micb_int_reg = TAIKO_A_MICB_1_INT_RBIAS;
- cfilt_sel_val = taiko->pdata->micbias.bias1_cfilt_sel;
- micb_line = TAIKO_MICBIAS1;
+ cfilt_sel_val = taiko->resmgr.pdata->micbias.bias1_cfilt_sel;
+ e_pre_on = WCD9XXX_EVENT_PRE_MICBIAS_1_ON;
+ e_post_on = WCD9XXX_EVENT_POST_MICBIAS_1_ON;
+ e_post_off = WCD9XXX_EVENT_POST_MICBIAS_1_OFF;
break;
case TAIKO_A_MICB_2_CTL:
micb_int_reg = TAIKO_A_MICB_2_INT_RBIAS;
- cfilt_sel_val = taiko->pdata->micbias.bias2_cfilt_sel;
- micb_line = TAIKO_MICBIAS2;
+ cfilt_sel_val = taiko->resmgr.pdata->micbias.bias2_cfilt_sel;
+ e_pre_on = WCD9XXX_EVENT_PRE_MICBIAS_2_ON;
+ e_post_on = WCD9XXX_EVENT_POST_MICBIAS_2_ON;
+ e_post_off = WCD9XXX_EVENT_POST_MICBIAS_2_OFF;
break;
case TAIKO_A_MICB_3_CTL:
micb_int_reg = TAIKO_A_MICB_3_INT_RBIAS;
- cfilt_sel_val = taiko->pdata->micbias.bias3_cfilt_sel;
- micb_line = TAIKO_MICBIAS3;
+ cfilt_sel_val = taiko->resmgr.pdata->micbias.bias3_cfilt_sel;
+ e_pre_on = WCD9XXX_EVENT_PRE_MICBIAS_3_ON;
+ e_post_on = WCD9XXX_EVENT_POST_MICBIAS_3_ON;
+ e_post_off = WCD9XXX_EVENT_POST_MICBIAS_3_OFF;
break;
case TAIKO_A_MICB_4_CTL:
- micb_int_reg = taiko->reg_addr.micb_4_int_rbias;
- cfilt_sel_val = taiko->pdata->micbias.bias4_cfilt_sel;
- micb_line = TAIKO_MICBIAS4;
+ micb_int_reg = taiko->resmgr.reg_addr->micb_4_int_rbias;
+ cfilt_sel_val = taiko->resmgr.pdata->micbias.bias4_cfilt_sel;
+ e_pre_on = WCD9XXX_EVENT_PRE_MICBIAS_4_ON;
+ e_post_on = WCD9XXX_EVENT_POST_MICBIAS_4_ON;
+ e_post_off = WCD9XXX_EVENT_POST_MICBIAS_4_OFF;
break;
default:
pr_err("%s: Error, invalid micbias register\n", __func__);
@@ -2749,15 +2081,12 @@
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- /* Decide whether to switch the micbias for MBHC */
- if (w->reg == taiko->mbhc_bias_regs.ctl_reg) {
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_switch_micbias(codec, 0);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- }
+ /* Let MBHC module know so micbias switch to be off */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, e_pre_on);
snd_soc_update_bits(codec, w->reg, 0x0E, 0x0A);
- taiko_codec_update_cfilt_usage(codec, cfilt_sel_val, 1);
+ /* Get cfilt */
+ wcd9xxx_resmgr_cfilt_get(&taiko->resmgr, cfilt_sel_val);
if (strnstr(w->name, internal1_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0xE0, 0xE0);
@@ -2768,25 +2097,13 @@
break;
case SND_SOC_DAPM_POST_PMU:
-
usleep_range(20000, 20000);
-
- if (taiko->mbhc_polling_active &&
- taiko->mbhc_cfg.micbias == micb_line) {
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_pause_hs_polling(codec);
- taiko_codec_start_hs_polling(codec);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- }
+ /* Let MBHC module know so micbias is on */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, e_post_on);
break;
-
case SND_SOC_DAPM_POST_PMD:
- if ((w->reg == taiko->mbhc_bias_regs.ctl_reg) &&
- taiko_is_hph_pa_on(codec)) {
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_switch_micbias(codec, 1);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- }
+ /* Let MBHC module know so micbias switch to be off */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, e_post_off);
if (strnstr(w->name, internal1_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x80, 0x00);
@@ -2795,7 +2112,8 @@
else if (strnstr(w->name, internal3_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x2, 0x0);
- taiko_codec_update_cfilt_usage(codec, cfilt_sel_val, 0);
+ /* Put cfilt */
+ wcd9xxx_resmgr_cfilt_put(&taiko->resmgr, cfilt_sel_val);
break;
}
@@ -2997,15 +2315,16 @@
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
+ struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
pr_debug("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- taiko_enable_rx_bias(codec, 1);
+ wcd9xxx_resmgr_enable_rx_bias(&taiko->resmgr, 1);
break;
case SND_SOC_DAPM_POST_PMD:
- taiko_enable_rx_bias(codec, 0);
+ wcd9xxx_resmgr_enable_rx_bias(&taiko->resmgr, 0);
break;
}
return 0;
@@ -3028,83 +2347,32 @@
return 0;
}
-static void taiko_snd_soc_jack_report(struct taiko_priv *taiko,
- struct snd_soc_jack *jack, int status,
- int mask)
-{
- /* XXX: wake_lock_timeout()? */
- snd_soc_jack_report_no_dapm(jack, status, mask);
-}
-
-static void hphocp_off_report(struct taiko_priv *taiko,
- u32 jack_status, int irq)
-{
- struct snd_soc_codec *codec;
- if (!taiko) {
- pr_err("%s: Bad taiko private data\n", __func__);
- return;
- }
-
- pr_debug("%s: clear ocp status %x\n", __func__, jack_status);
- codec = taiko->codec;
- if (taiko->hph_status & jack_status) {
- taiko->hph_status &= ~jack_status;
- if (taiko->mbhc_cfg.headset_jack)
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.headset_jack,
- taiko->hph_status,
- TAIKO_JACK_MASK);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10, 0x10);
- /* reset retry counter as PA is turned off signifying
- * start of new OCP detection session
- */
- if (WCD9XXX_IRQ_HPH_PA_OCPL_FAULT)
- taiko->hphlocp_cnt = 0;
- else
- taiko->hphrocp_cnt = 0;
- wcd9xxx_enable_irq(codec->control_data, irq);
- }
-}
-
-static void hphlocp_off_report(struct work_struct *work)
-{
- struct taiko_priv *taiko = container_of(work, struct taiko_priv,
- hphlocp_work);
- hphocp_off_report(taiko, SND_JACK_OC_HPHL,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
-}
-
-static void hphrocp_off_report(struct work_struct *work)
-{
- struct taiko_priv *taiko = container_of(work, struct taiko_priv,
- hphrocp_work);
- hphocp_off_report(taiko, SND_JACK_OC_HPHR,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
-}
-
static int taiko_hph_pa_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
+ struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- u8 mbhc_micb_ctl_val;
+ enum wcd9xxx_notify_event e_pre_on, e_post_off;
+
pr_debug("%s: %s event = %d\n", __func__, w->name, event);
+ if (w->shift == 5) {
+ e_pre_on = WCD9XXX_EVENT_PRE_HPHR_PA_ON;
+ e_post_off = WCD9XXX_EVENT_POST_HPHR_PA_OFF;
+ } else if (w->shift == 4) {
+ e_pre_on = WCD9XXX_EVENT_PRE_HPHL_PA_ON;
+ e_post_off = WCD9XXX_EVENT_POST_HPHL_PA_OFF;
+ } else {
+ pr_err("%s: Invalid w->shift %d\n", __func__, w->shift);
+ return -EINVAL;
+ }
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- mbhc_micb_ctl_val = snd_soc_read(codec,
- taiko->mbhc_bias_regs.ctl_reg);
-
- if (!(mbhc_micb_ctl_val & 0x80)) {
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_switch_micbias(codec, 1);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- }
+ /* Let MBHC module know PA is turning on */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, e_pre_on);
break;
case SND_SOC_DAPM_POST_PMU:
-
usleep_range(10000, 10000);
snd_soc_update_bits(codec, TAIKO_A_BUCK_MODE_5, 0x02, 0x00);
@@ -3113,100 +2381,26 @@
snd_soc_update_bits(codec, TAIKO_A_BUCK_MODE_3, 0x08, 0x00);
usleep_range(10, 10);
-
break;
case SND_SOC_DAPM_POST_PMD:
- /* schedule work is required because at the time HPH PA DAPM
+ /* Let MBHC module know PA turned off */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, e_post_off);
+
+ /*
+ * schedule work is required because at the time HPH PA DAPM
* event callback is called by DAPM framework, CODEC dapm mutex
* would have been locked while snd_soc_jack_report also
* attempts to acquire same lock.
*/
- if (w->shift == 5) {
- clear_bit(TAIKO_HPHL_PA_OFF_ACK,
- &taiko->hph_pa_dac_state);
- clear_bit(TAIKO_HPHL_DAC_OFF_ACK,
- &taiko->hph_pa_dac_state);
- if (taiko->hph_status & SND_JACK_OC_HPHL)
- schedule_work(&taiko->hphlocp_work);
- } else if (w->shift == 4) {
- clear_bit(TAIKO_HPHR_PA_OFF_ACK,
- &taiko->hph_pa_dac_state);
- clear_bit(TAIKO_HPHR_DAC_OFF_ACK,
- &taiko->hph_pa_dac_state);
- if (taiko->hph_status & SND_JACK_OC_HPHR)
- schedule_work(&taiko->hphrocp_work);
- }
-
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_switch_micbias(codec, 0);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
-
pr_debug("%s: sleep 10 ms after %s PA disable.\n", __func__,
- w->name);
+ w->name);
usleep_range(10000, 10000);
break;
}
return 0;
}
-static void taiko_get_mbhc_micbias_regs(struct snd_soc_codec *codec,
- struct mbhc_micbias_regs *micbias_regs)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- unsigned int cfilt;
-
- switch (taiko->mbhc_cfg.micbias) {
- case TAIKO_MICBIAS1:
- cfilt = taiko->pdata->micbias.bias1_cfilt_sel;
- micbias_regs->mbhc_reg = TAIKO_A_MICB_1_MBHC;
- micbias_regs->int_rbias = TAIKO_A_MICB_1_INT_RBIAS;
- micbias_regs->ctl_reg = TAIKO_A_MICB_1_CTL;
- break;
- case TAIKO_MICBIAS2:
- cfilt = taiko->pdata->micbias.bias2_cfilt_sel;
- micbias_regs->mbhc_reg = TAIKO_A_MICB_2_MBHC;
- micbias_regs->int_rbias = TAIKO_A_MICB_2_INT_RBIAS;
- micbias_regs->ctl_reg = TAIKO_A_MICB_2_CTL;
- break;
- case TAIKO_MICBIAS3:
- cfilt = taiko->pdata->micbias.bias3_cfilt_sel;
- micbias_regs->mbhc_reg = TAIKO_A_MICB_3_MBHC;
- micbias_regs->int_rbias = TAIKO_A_MICB_3_INT_RBIAS;
- micbias_regs->ctl_reg = TAIKO_A_MICB_3_CTL;
- break;
- case TAIKO_MICBIAS4:
- cfilt = taiko->pdata->micbias.bias4_cfilt_sel;
- micbias_regs->mbhc_reg = taiko->reg_addr.micb_4_mbhc;
- micbias_regs->int_rbias = taiko->reg_addr.micb_4_int_rbias;
- micbias_regs->ctl_reg = taiko->reg_addr.micb_4_ctl;
- break;
- default:
- /* Should never reach here */
- pr_err("%s: Invalid MIC BIAS for MBHC\n", __func__);
- return;
- }
-
- micbias_regs->cfilt_sel = cfilt;
-
- switch (cfilt) {
- case TAIKO_CFILT1_SEL:
- micbias_regs->cfilt_val = TAIKO_A_MICB_CFILT_1_VAL;
- micbias_regs->cfilt_ctl = TAIKO_A_MICB_CFILT_1_CTL;
- taiko->mbhc_data.micb_mv = taiko->pdata->micbias.cfilt1_mv;
- break;
- case TAIKO_CFILT2_SEL:
- micbias_regs->cfilt_val = TAIKO_A_MICB_CFILT_2_VAL;
- micbias_regs->cfilt_ctl = TAIKO_A_MICB_CFILT_2_CTL;
- taiko->mbhc_data.micb_mv = taiko->pdata->micbias.cfilt2_mv;
- break;
- case TAIKO_CFILT3_SEL:
- micbias_regs->cfilt_val = TAIKO_A_MICB_CFILT_3_VAL;
- micbias_regs->cfilt_ctl = TAIKO_A_MICB_CFILT_3_CTL;
- taiko->mbhc_data.micb_mv = taiko->pdata->micbias.cfilt3_mv;
- break;
- }
-}
static const struct snd_soc_dapm_widget taiko_dapm_i2s_widgets[] = {
SND_SOC_DAPM_SUPPLY("RX_I2S_CLK", TAIKO_A_CDC_CLK_RX_I2S_CTL,
4, 0, NULL, 0),
@@ -3790,6 +2984,9 @@
if (reg == TAIKO_A_RX_HPH_L_STATUS || reg == TAIKO_A_RX_HPH_R_STATUS)
return 1;
+ if (reg == TAIKO_A_MBHC_INSERT_DET_STATUS)
+ return 1;
+
return 0;
}
@@ -3838,79 +3035,6 @@
return val;
}
-static s16 taiko_get_current_v_ins(struct taiko_priv *taiko, bool hu)
-{
- s16 v_ins;
- if ((taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) &&
- taiko->mbhc_micbias_switched)
- v_ins = hu ? (s16)taiko->mbhc_data.adj_v_ins_hu :
- (s16)taiko->mbhc_data.adj_v_ins_h;
- else
- v_ins = hu ? (s16)taiko->mbhc_data.v_ins_hu :
- (s16)taiko->mbhc_data.v_ins_h;
- return v_ins;
-}
-
-static s16 taiko_get_current_v_hs_max(struct taiko_priv *taiko)
-{
- s16 v_hs_max;
- struct taiko_mbhc_plug_type_cfg *plug_type;
-
- plug_type = TAIKO_MBHC_CAL_PLUG_TYPE_PTR(taiko->mbhc_cfg.calibration);
- if ((taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) &&
- taiko->mbhc_micbias_switched)
- v_hs_max = taiko->mbhc_data.adj_v_hs_max;
- else
- v_hs_max = plug_type->v_hs_max;
- return v_hs_max;
-}
-
-static void taiko_codec_calibrate_hs_polling(struct snd_soc_codec *codec)
-{
- u8 *n_ready, *n_cic;
- struct taiko_mbhc_btn_detect_cfg *btn_det;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const s16 v_ins_hu = taiko_get_current_v_ins(taiko, true);
-
- btn_det = TAIKO_MBHC_CAL_BTN_DET_PTR(taiko->mbhc_cfg.calibration);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B1_CTL,
- v_ins_hu & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B2_CTL,
- (v_ins_hu >> 8) & 0xFF);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B3_CTL,
- taiko->mbhc_data.v_b1_hu & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B4_CTL,
- (taiko->mbhc_data.v_b1_hu >> 8) & 0xFF);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B5_CTL,
- taiko->mbhc_data.v_b1_h & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B6_CTL,
- (taiko->mbhc_data.v_b1_h >> 8) & 0xFF);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B9_CTL,
- taiko->mbhc_data.v_brh & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B10_CTL,
- (taiko->mbhc_data.v_brh >> 8) & 0xFF);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B11_CTL,
- taiko->mbhc_data.v_brl & 0xFF);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_VOLT_B12_CTL,
- (taiko->mbhc_data.v_brl >> 8) & 0xFF);
-
- n_ready = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_N_READY);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_TIMER_B1_CTL,
- n_ready[taiko_codec_mclk_index(taiko)]);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_TIMER_B2_CTL,
- taiko->mbhc_data.npoll);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_TIMER_B3_CTL,
- taiko->mbhc_data.nbounce_wait);
- n_cic = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_N_CIC);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_TIMER_B6_CTL,
- n_cic[taiko_codec_mclk_index(taiko)]);
-}
-
static int taiko_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -3945,54 +3069,20 @@
pr_debug("%s: mclk_enable = %u, dapm = %d\n", __func__, mclk_enable,
dapm);
- if (dapm)
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
+
+ WCD9XXX_BCL_LOCK(&taiko->resmgr);
if (mclk_enable) {
- taiko->mclk_enabled = true;
-
- if (taiko->mbhc_polling_active) {
- taiko_codec_pause_hs_polling(codec);
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_AUDIO_MODE);
- taiko_codec_enable_clock_block(codec, 0);
- taiko_codec_calibrate_hs_polling(codec);
- taiko_codec_start_hs_polling(codec);
- } else {
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_AUDIO_MODE);
- taiko_codec_enable_clock_block(codec, 0);
- }
+ wcd9xxx_resmgr_get_bandgap(&taiko->resmgr,
+ WCD9XXX_BANDGAP_AUDIO_MODE);
+ wcd9xxx_resmgr_get_clk_block(&taiko->resmgr, WCD9XXX_CLK_MCLK);
} else {
-
- if (!taiko->mclk_enabled) {
- if (dapm)
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- pr_err("Error, MCLK already diabled\n");
- return -EINVAL;
- }
- taiko->mclk_enabled = false;
-
- if (taiko->mbhc_polling_active) {
- taiko_codec_pause_hs_polling(codec);
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_MBHC_MODE);
- taiko_enable_rx_bias(codec, 1);
- taiko_codec_enable_clock_block(codec, 1);
- taiko_codec_calibrate_hs_polling(codec);
- taiko_codec_start_hs_polling(codec);
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1,
- 0x05, 0x01);
- } else {
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec,
- TAIKO_BANDGAP_OFF);
- }
+ /* Put clock and BG */
+ wcd9xxx_resmgr_put_clk_block(&taiko->resmgr, WCD9XXX_CLK_MCLK);
+ wcd9xxx_resmgr_put_bandgap(&taiko->resmgr,
+ WCD9XXX_BANDGAP_AUDIO_MODE);
}
- if (dapm)
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
+ WCD9XXX_BCL_UNLOCK(&taiko->resmgr);
+
return 0;
}
@@ -5064,2201 +4154,6 @@
};
-static short taiko_codec_read_sta_result(struct snd_soc_codec *codec)
-{
- u8 bias_msb, bias_lsb;
- short bias_value;
-
- bias_msb = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B3_STATUS);
- bias_lsb = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B2_STATUS);
- bias_value = (bias_msb << 8) | bias_lsb;
- return bias_value;
-}
-
-static short taiko_codec_read_dce_result(struct snd_soc_codec *codec)
-{
- u8 bias_msb, bias_lsb;
- short bias_value;
-
- bias_msb = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B5_STATUS);
- bias_lsb = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B4_STATUS);
- bias_value = (bias_msb << 8) | bias_lsb;
- return bias_value;
-}
-
-static void taiko_turn_onoff_rel_detection(struct snd_soc_codec *codec, bool on)
-{
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x02, on << 1);
-}
-
-static short __taiko_codec_sta_dce(struct snd_soc_codec *codec, int dce,
- bool override_bypass, bool noreldetection)
-{
- short bias_value;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
- if (noreldetection)
- taiko_turn_onoff_rel_detection(codec, false);
-
- /* Turn on the override */
- if (!override_bypass)
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x4, 0x4);
- if (dce) {
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x4);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
- usleep_range(taiko->mbhc_data.t_sta_dce,
- taiko->mbhc_data.t_sta_dce);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x4);
- usleep_range(taiko->mbhc_data.t_dce,
- taiko->mbhc_data.t_dce);
- bias_value = taiko_codec_read_dce_result(codec);
- } else {
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x2);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
- usleep_range(taiko->mbhc_data.t_sta_dce,
- taiko->mbhc_data.t_sta_dce);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x2);
- usleep_range(taiko->mbhc_data.t_sta,
- taiko->mbhc_data.t_sta);
- bias_value = taiko_codec_read_sta_result(codec);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x0);
- }
- /* Turn off the override after measuring mic voltage */
- if (!override_bypass)
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x04, 0x00);
-
- if (noreldetection)
- taiko_turn_onoff_rel_detection(codec, true);
- wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
-
- return bias_value;
-}
-
-static short taiko_codec_sta_dce(struct snd_soc_codec *codec, int dce,
- bool norel)
-{
- return __taiko_codec_sta_dce(codec, dce, false, norel);
-}
-
-/* called only from interrupt which is under codec_resource_lock acquisition */
-static short taiko_codec_setup_hs_polling(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- short bias_value;
- u8 cfilt_mode;
-
- pr_debug("%s: enter, mclk_enabled %d\n", __func__, taiko->mclk_enabled);
- if (!taiko->mbhc_cfg.calibration) {
- pr_err("Error, no taiko calibration\n");
- return -ENODEV;
- }
-
- if (!taiko->mclk_enabled) {
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec, TAIKO_BANDGAP_MBHC_MODE);
- taiko_enable_rx_bias(codec, 1);
- taiko_codec_enable_clock_block(codec, 1);
- }
-
- snd_soc_update_bits(codec, TAIKO_A_CLK_BUFF_EN1, 0x05, 0x01);
-
- /* Make sure CFILT is in fast mode, save current mode */
- cfilt_mode = snd_soc_read(codec, taiko->mbhc_bias_regs.cfilt_ctl);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.cfilt_ctl, 0x70, 0x00);
-
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x1F, 0x16);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x84);
-
- snd_soc_update_bits(codec, TAIKO_A_TX_7_MBHC_EN, 0x80, 0x80);
- snd_soc_update_bits(codec, TAIKO_A_TX_7_MBHC_EN, 0x1F, 0x1C);
- snd_soc_update_bits(codec, TAIKO_A_TX_7_MBHC_TEST_CTL, 0x40, 0x40);
-
- snd_soc_update_bits(codec, TAIKO_A_TX_7_MBHC_EN, 0x80, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x00);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x2, 0x2);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
-
- taiko_codec_calibrate_hs_polling(codec);
-
- /* don't flip override */
- bias_value = __taiko_codec_sta_dce(codec, 1, true, true);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.cfilt_ctl, 0x40,
- cfilt_mode);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x13, 0x00);
-
- return bias_value;
-}
-
-static int taiko_cancel_btn_work(struct taiko_priv *taiko)
-{
- int r = 0;
- struct wcd9xxx *core = dev_get_drvdata(taiko->codec->dev->parent);
-
- if (cancel_delayed_work_sync(&taiko->mbhc_btn_dwork)) {
- /* if scheduled mbhc_btn_dwork is canceled from here,
- * we have to unlock from here instead btn_work */
- wcd9xxx_unlock_sleep(core);
- r = 1;
- }
- return r;
-}
-
-/* called under codec_resource_lock acquisition */
-void taiko_set_and_turnoff_hph_padac(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- u8 wg_time;
-
- wg_time = snd_soc_read(codec, TAIKO_A_RX_HPH_CNP_WG_TIME) ;
- wg_time += 1;
-
- /* If headphone PA is on, check if userspace receives
- * removal event to sync-up PA's state */
- if (taiko_is_hph_pa_on(codec)) {
- pr_debug("%s PA is on, setting PA_OFF_ACK\n", __func__);
- set_bit(TAIKO_HPHL_PA_OFF_ACK, &taiko->hph_pa_dac_state);
- set_bit(TAIKO_HPHR_PA_OFF_ACK, &taiko->hph_pa_dac_state);
- } else {
- pr_debug("%s PA is off\n", __func__);
- }
-
- if (taiko_is_hph_dac_on(codec, 1))
- set_bit(TAIKO_HPHL_DAC_OFF_ACK, &taiko->hph_pa_dac_state);
- if (taiko_is_hph_dac_on(codec, 0))
- set_bit(TAIKO_HPHR_DAC_OFF_ACK, &taiko->hph_pa_dac_state);
-
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_CNP_EN, 0x30, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_L_DAC_CTL,
- 0xC0, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_R_DAC_CTL,
- 0xC0, 0x00);
- usleep_range(wg_time * 1000, wg_time * 1000);
-}
-
-static void taiko_clr_and_turnon_hph_padac(struct taiko_priv *taiko)
-{
- bool pa_turned_on = false;
- struct snd_soc_codec *codec = taiko->codec;
- u8 wg_time;
-
- wg_time = snd_soc_read(codec, TAIKO_A_RX_HPH_CNP_WG_TIME) ;
- wg_time += 1;
-
- if (test_and_clear_bit(TAIKO_HPHR_DAC_OFF_ACK,
- &taiko->hph_pa_dac_state)) {
- pr_debug("%s: HPHR clear flag and enable DAC\n", __func__);
- snd_soc_update_bits(taiko->codec, TAIKO_A_RX_HPH_R_DAC_CTL,
- 0xC0, 0xC0);
- }
- if (test_and_clear_bit(TAIKO_HPHL_DAC_OFF_ACK,
- &taiko->hph_pa_dac_state)) {
- pr_debug("%s: HPHL clear flag and enable DAC\n", __func__);
- snd_soc_update_bits(taiko->codec, TAIKO_A_RX_HPH_L_DAC_CTL,
- 0xC0, 0xC0);
- }
-
- if (test_and_clear_bit(TAIKO_HPHR_PA_OFF_ACK,
- &taiko->hph_pa_dac_state)) {
- pr_debug("%s: HPHR clear flag and enable PA\n", __func__);
- snd_soc_update_bits(taiko->codec, TAIKO_A_RX_HPH_CNP_EN, 0x10,
- 1 << 4);
- pa_turned_on = true;
- }
- if (test_and_clear_bit(TAIKO_HPHL_PA_OFF_ACK,
- &taiko->hph_pa_dac_state)) {
- pr_debug("%s: HPHL clear flag and enable PA\n", __func__);
- snd_soc_update_bits(taiko->codec, TAIKO_A_RX_HPH_CNP_EN, 0x20,
- 1 << 5);
- pa_turned_on = true;
- }
-
- if (pa_turned_on) {
- pr_debug("%s: PA was turned off by MBHC and not by DAPM\n",
- __func__);
- usleep_range(wg_time * 1000, wg_time * 1000);
- }
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_report_plug(struct snd_soc_codec *codec, int insertion,
- enum snd_jack_types jack_type)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- if (!insertion) {
- /* Report removal */
- taiko->hph_status &= ~jack_type;
- if (taiko->mbhc_cfg.headset_jack) {
- /* cancel possibly scheduled btn work and
- * report release if we reported button press */
- if (taiko_cancel_btn_work(taiko)) {
- pr_debug("%s: button press is canceled\n",
- __func__);
- } else if (taiko->buttons_pressed) {
- pr_debug("%s: release of button press%d\n",
- __func__, jack_type);
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.button_jack, 0,
- taiko->buttons_pressed);
- taiko->buttons_pressed &=
- ~TAIKO_JACK_BUTTON_MASK;
- }
- pr_debug("%s: Reporting removal %d(%x)\n", __func__,
- jack_type, taiko->hph_status);
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.headset_jack,
- taiko->hph_status,
- TAIKO_JACK_MASK);
- }
- taiko_set_and_turnoff_hph_padac(codec);
- hphocp_off_report(taiko, SND_JACK_OC_HPHR,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
- hphocp_off_report(taiko, SND_JACK_OC_HPHL,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
- taiko->current_plug = PLUG_TYPE_NONE;
- taiko->mbhc_polling_active = false;
- } else {
- /* Report insertion */
- taiko->hph_status |= jack_type;
-
- if (jack_type == SND_JACK_HEADPHONE)
- taiko->current_plug = PLUG_TYPE_HEADPHONE;
- else if (jack_type == SND_JACK_UNSUPPORTED)
- taiko->current_plug = PLUG_TYPE_GND_MIC_SWAP;
- else if (jack_type == SND_JACK_HEADSET) {
- taiko->mbhc_polling_active = true;
- taiko->current_plug = PLUG_TYPE_HEADSET;
- }
- if (taiko->mbhc_cfg.headset_jack) {
- pr_debug("%s: Reporting insertion %d(%x)\n", __func__,
- jack_type, taiko->hph_status);
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.headset_jack,
- taiko->hph_status,
- TAIKO_JACK_MASK);
- }
- taiko_clr_and_turnon_hph_padac(taiko);
- }
-}
-
-static int taiko_codec_enable_hs_detect(struct snd_soc_codec *codec,
- int insertion, int trigger,
- bool padac_off)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- int central_bias_enabled = 0;
- const struct taiko_mbhc_general_cfg *generic =
- TAIKO_MBHC_CAL_GENERAL_PTR(taiko->mbhc_cfg.calibration);
- const struct taiko_mbhc_plug_detect_cfg *plug_det =
- TAIKO_MBHC_CAL_PLUG_DET_PTR(taiko->mbhc_cfg.calibration);
-
- if (!taiko->mbhc_cfg.calibration) {
- pr_err("Error, no taiko calibration\n");
- return -EINVAL;
- }
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x1, 0);
-
- /* Make sure mic bias and Mic line schmitt trigger
- * are turned OFF
- */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x01, 0x01);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
-
- if (insertion) {
- taiko_codec_switch_micbias(codec, 0);
-
- /* DAPM can manipulate PA/DAC bits concurrently */
- if (padac_off == true)
- taiko_set_and_turnoff_hph_padac(codec);
-
- if (trigger & MBHC_USE_HPHL_TRIGGER) {
- /* Enable HPH Schmitt Trigger */
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x11,
- 0x11);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x0C,
- plug_det->hph_current << 2);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x02,
- 0x02);
- }
- if (trigger & MBHC_USE_MB_TRIGGER) {
- /* enable the mic line schmitt trigger */
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.mbhc_reg,
- 0x60, plug_det->mic_current << 5);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.mbhc_reg,
- 0x80, 0x80);
- usleep_range(plug_det->t_mic_pid, plug_det->t_mic_pid);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.ctl_reg, 0x01,
- 0x00);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.mbhc_reg,
- 0x10, 0x10);
- }
-
- /* setup for insetion detection */
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x2, 0);
- } else {
- pr_debug("setup for removal detection\n");
- /* Make sure the HPH schmitt trigger is OFF */
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x12, 0x00);
-
- /* enable the mic line schmitt trigger */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg,
- 0x01, 0x00);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg, 0x60,
- plug_det->mic_current << 5);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x80, 0x80);
- usleep_range(plug_det->t_mic_pid, plug_det->t_mic_pid);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg,
- 0x10, 0x10);
-
- /* Setup for low power removal detection */
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x2, 0x2);
- }
-
- if (snd_soc_read(codec, TAIKO_A_CDC_MBHC_B1_CTL) & 0x4) {
- /* called called by interrupt */
- if (!(taiko->clock_active)) {
- taiko_codec_enable_config_mode(codec, 1);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL,
- 0x06, 0);
- usleep_range(generic->t_shutdown_plug_rem,
- generic->t_shutdown_plug_rem);
- taiko_codec_enable_config_mode(codec, 0);
- } else
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL,
- 0x06, 0);
- }
-
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.int_rbias, 0x80, 0);
-
- /* If central bandgap disabled */
- if (!(snd_soc_read(codec, TAIKO_A_PIN_CTL_OE1) & 1)) {
- snd_soc_update_bits(codec, TAIKO_A_PIN_CTL_OE1, 0x3, 0x3);
- usleep_range(generic->t_bg_fast_settle,
- generic->t_bg_fast_settle);
- central_bias_enabled = 1;
- }
-
- /* If LDO_H disabled */
- if (snd_soc_read(codec, TAIKO_A_PIN_CTL_OE0) & 0x80) {
- snd_soc_update_bits(codec, TAIKO_A_PIN_CTL_OE0, 0x10, 0);
- snd_soc_update_bits(codec, TAIKO_A_PIN_CTL_OE0, 0x80, 0x80);
- usleep_range(generic->t_ldoh, generic->t_ldoh);
- snd_soc_update_bits(codec, TAIKO_A_PIN_CTL_OE0, 0x80, 0);
-
- if (central_bias_enabled)
- snd_soc_update_bits(codec, TAIKO_A_PIN_CTL_OE1, 0x1, 0);
- }
-
- snd_soc_update_bits(codec, taiko->reg_addr.micb_4_mbhc, 0x3,
- taiko->mbhc_cfg.micbias);
-
- wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
- return 0;
-}
-
-static u16 taiko_codec_v_sta_dce(struct snd_soc_codec *codec, bool dce,
- s16 vin_mv)
-{
- struct taiko_priv *taiko;
- s16 diff, zero;
- u32 mb_mv, in;
- u16 value;
-
- taiko = snd_soc_codec_get_drvdata(codec);
- mb_mv = taiko->mbhc_data.micb_mv;
-
- if (mb_mv == 0) {
- pr_err("%s: Mic Bias voltage is set to zero\n", __func__);
- return -EINVAL;
- }
-
- if (dce) {
- diff = (taiko->mbhc_data.dce_mb) - (taiko->mbhc_data.dce_z);
- zero = (taiko->mbhc_data.dce_z);
- } else {
- diff = (taiko->mbhc_data.sta_mb) - (taiko->mbhc_data.sta_z);
- zero = (taiko->mbhc_data.sta_z);
- }
- in = (u32) diff * vin_mv;
-
- value = (u16) (in / mb_mv) + zero;
- return value;
-}
-
-static s32 taiko_codec_sta_dce_v(struct snd_soc_codec *codec, s8 dce,
- u16 bias_value)
-{
- struct taiko_priv *taiko;
- s16 value, z, mb;
- s32 mv;
-
- taiko = snd_soc_codec_get_drvdata(codec);
- value = bias_value;
- if (dce) {
- z = (taiko->mbhc_data.dce_z);
- mb = (taiko->mbhc_data.dce_mb);
- mv = (value - z) * (s32)taiko->mbhc_data.micb_mv / (mb - z);
- } else {
- z = (taiko->mbhc_data.sta_z);
- mb = (taiko->mbhc_data.sta_mb);
- mv = (value - z) * (s32)taiko->mbhc_data.micb_mv / (mb - z);
- }
-
- return mv;
-}
-
-static void btn_lpress_fn(struct work_struct *work)
-{
- struct delayed_work *delayed_work;
- struct taiko_priv *taiko;
- short bias_value;
- int dce_mv, sta_mv;
- struct wcd9xxx *core;
-
- pr_debug("%s:\n", __func__);
-
- delayed_work = to_delayed_work(work);
- taiko = container_of(delayed_work, struct taiko_priv, mbhc_btn_dwork);
- core = dev_get_drvdata(taiko->codec->dev->parent);
-
- if (taiko) {
- if (taiko->mbhc_cfg.button_jack) {
- bias_value = taiko_codec_read_sta_result(taiko->codec);
- sta_mv = taiko_codec_sta_dce_v(taiko->codec, 0,
- bias_value);
- bias_value = taiko_codec_read_dce_result(taiko->codec);
- dce_mv = taiko_codec_sta_dce_v(taiko->codec, 1,
- bias_value);
- pr_debug("%s: Reporting long button press event\n",
- __func__);
- pr_debug("%s: STA: %d, DCE: %d\n", __func__, sta_mv,
- dce_mv);
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.button_jack,
- taiko->buttons_pressed,
- taiko->buttons_pressed);
- }
- } else {
- pr_err("%s: Bad taiko private data\n", __func__);
- }
-
- pr_debug("%s: leave\n", __func__);
- wcd9xxx_unlock_sleep(core);
-}
-
-void taiko_mbhc_cal(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko;
- struct taiko_mbhc_btn_detect_cfg *btn_det;
- u8 cfilt_mode, bg_mode;
- u8 ncic, nmeas, navg;
- u32 mclk_rate;
- u32 dce_wait, sta_wait;
- u8 *n_cic;
- void *calibration;
-
- taiko = snd_soc_codec_get_drvdata(codec);
- calibration = taiko->mbhc_cfg.calibration;
-
- wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
- taiko_turn_onoff_rel_detection(codec, false);
-
- /* First compute the DCE / STA wait times
- * depending on tunable parameters.
- * The value is computed in microseconds
- */
- btn_det = TAIKO_MBHC_CAL_BTN_DET_PTR(calibration);
- n_cic = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_N_CIC);
- ncic = n_cic[taiko_codec_mclk_index(taiko)];
- nmeas = TAIKO_MBHC_CAL_BTN_DET_PTR(calibration)->n_meas;
- navg = TAIKO_MBHC_CAL_GENERAL_PTR(calibration)->mbhc_navg;
- mclk_rate = taiko->mbhc_cfg.mclk_rate;
- dce_wait = (1000 * 512 * ncic * (nmeas + 1)) / (mclk_rate / 1000);
- sta_wait = (1000 * 128 * (navg + 1)) / (mclk_rate / 1000);
-
- taiko->mbhc_data.t_dce = dce_wait;
- taiko->mbhc_data.t_sta = sta_wait;
-
- /* LDOH and CFILT are already configured during pdata handling.
- * Only need to make sure CFILT and bandgap are in Fast mode.
- * Need to restore defaults once calculation is done.
- */
- cfilt_mode = snd_soc_read(codec, taiko->mbhc_bias_regs.cfilt_ctl);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.cfilt_ctl, 0x40, 0x00);
- bg_mode = snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x02,
- 0x02);
-
- /* Micbias, CFILT, LDOH, MBHC MUX mode settings
- * to perform ADC calibration
- */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x60,
- taiko->mbhc_cfg.micbias << 5);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_LDO_H_MODE_1, 0x60, 0x60);
- snd_soc_write(codec, TAIKO_A_TX_7_MBHC_TEST_CTL, 0x78);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x04, 0x04);
-
- /* DCE measurement for 0 volts */
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x0A);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x04);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x02);
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x81);
- usleep_range(100, 100);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x04);
- usleep_range(taiko->mbhc_data.t_dce, taiko->mbhc_data.t_dce);
- taiko->mbhc_data.dce_z = taiko_codec_read_dce_result(codec);
-
- /* DCE measurment for MB voltage */
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x0A);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x02);
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x82);
- usleep_range(100, 100);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x04);
- usleep_range(taiko->mbhc_data.t_dce, taiko->mbhc_data.t_dce);
- taiko->mbhc_data.dce_mb = taiko_codec_read_dce_result(codec);
-
- /* Sta measuremnt for 0 volts */
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x0A);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x02);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x02);
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x81);
- usleep_range(100, 100);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x02);
- usleep_range(taiko->mbhc_data.t_sta, taiko->mbhc_data.t_sta);
- taiko->mbhc_data.sta_z = taiko_codec_read_sta_result(codec);
-
- /* STA Measurement for MB Voltage */
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x82);
- usleep_range(100, 100);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_EN_CTL, 0x02);
- usleep_range(taiko->mbhc_data.t_sta, taiko->mbhc_data.t_sta);
- taiko->mbhc_data.sta_mb = taiko_codec_read_sta_result(codec);
-
- /* Restore default settings. */
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x04, 0x00);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.cfilt_ctl, 0x40,
- cfilt_mode);
- snd_soc_update_bits(codec, TAIKO_A_BIAS_CENTRAL_BG_CTL, 0x02, bg_mode);
-
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x84);
- usleep_range(100, 100);
-
- wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
- taiko_turn_onoff_rel_detection(codec, true);
-}
-
-void *taiko_mbhc_cal_btn_det_mp(const struct taiko_mbhc_btn_detect_cfg *btn_det,
- const enum taiko_mbhc_btn_det_mem mem)
-{
- void *ret = &btn_det->_v_btn_low;
-
- switch (mem) {
- case TAIKO_BTN_DET_GAIN:
- ret += sizeof(btn_det->_n_cic);
- case TAIKO_BTN_DET_N_CIC:
- ret += sizeof(btn_det->_n_ready);
- case TAIKO_BTN_DET_N_READY:
- ret += sizeof(btn_det->_v_btn_high[0]) * btn_det->num_btn;
- case TAIKO_BTN_DET_V_BTN_HIGH:
- ret += sizeof(btn_det->_v_btn_low[0]) * btn_det->num_btn;
- case TAIKO_BTN_DET_V_BTN_LOW:
- /* do nothing */
- break;
- default:
- ret = NULL;
- }
-
- return ret;
-}
-
-static s16 taiko_scale_v_micb_vddio(struct taiko_priv *taiko, int v,
- bool tovddio)
-{
- int r;
- int vddio_k, mb_k;
- vddio_k = taiko_find_k_value(taiko->pdata->micbias.ldoh_v,
- VDDIO_MICBIAS_MV);
- mb_k = taiko_find_k_value(taiko->pdata->micbias.ldoh_v,
- taiko->mbhc_data.micb_mv);
- if (tovddio)
- r = v * vddio_k / mb_k;
- else
- r = v * mb_k / vddio_k;
- return r;
-}
-
-static void taiko_mbhc_calc_thres(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko;
- s16 btn_mv = 0, btn_delta_mv;
- struct taiko_mbhc_btn_detect_cfg *btn_det;
- struct taiko_mbhc_plug_type_cfg *plug_type;
- u16 *btn_high;
- u8 *n_ready;
- int i;
-
- taiko = snd_soc_codec_get_drvdata(codec);
- btn_det = TAIKO_MBHC_CAL_BTN_DET_PTR(taiko->mbhc_cfg.calibration);
- plug_type = TAIKO_MBHC_CAL_PLUG_TYPE_PTR(taiko->mbhc_cfg.calibration);
-
- n_ready = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_N_READY);
- if (taiko->mbhc_cfg.mclk_rate == TAIKO_MCLK_RATE_12288KHZ) {
- taiko->mbhc_data.npoll = 4;
- taiko->mbhc_data.nbounce_wait = 30;
- } else if (taiko->mbhc_cfg.mclk_rate == TAIKO_MCLK_RATE_9600KHZ) {
- taiko->mbhc_data.npoll = 7;
- taiko->mbhc_data.nbounce_wait = 23;
- }
-
- taiko->mbhc_data.t_sta_dce = ((1000 * 256) /
- (taiko->mbhc_cfg.mclk_rate / 1000) *
- n_ready[taiko_codec_mclk_index(taiko)]) +
- 10;
- taiko->mbhc_data.v_ins_hu =
- taiko_codec_v_sta_dce(codec, STA, plug_type->v_hs_max);
- taiko->mbhc_data.v_ins_h =
- taiko_codec_v_sta_dce(codec, DCE, plug_type->v_hs_max);
-
- taiko->mbhc_data.v_inval_ins_low = TAIKO_MBHC_FAKE_INSERT_LOW;
- if (taiko->mbhc_cfg.gpio)
- taiko->mbhc_data.v_inval_ins_high =
- TAIKO_MBHC_FAKE_INSERT_HIGH;
- else
- taiko->mbhc_data.v_inval_ins_high =
- TAIKO_MBHC_FAKE_INS_HIGH_NO_GPIO;
-
- if (taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
- taiko->mbhc_data.adj_v_hs_max =
- taiko_scale_v_micb_vddio(taiko, plug_type->v_hs_max, true);
- taiko->mbhc_data.adj_v_ins_hu =
- taiko_codec_v_sta_dce(codec, STA,
- taiko->mbhc_data.adj_v_hs_max);
- taiko->mbhc_data.adj_v_ins_h =
- taiko_codec_v_sta_dce(codec, DCE,
- taiko->mbhc_data.adj_v_hs_max);
- taiko->mbhc_data.v_inval_ins_low =
- taiko_scale_v_micb_vddio(taiko,
- taiko->mbhc_data.v_inval_ins_low,
- false);
- taiko->mbhc_data.v_inval_ins_high =
- taiko_scale_v_micb_vddio(taiko,
- taiko->mbhc_data.v_inval_ins_high,
- false);
- }
-
- btn_high = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_V_BTN_HIGH);
- for (i = 0; i < btn_det->num_btn; i++)
- btn_mv = btn_high[i] > btn_mv ? btn_high[i] : btn_mv;
-
- taiko->mbhc_data.v_b1_h = taiko_codec_v_sta_dce(codec, DCE, btn_mv);
- btn_delta_mv = btn_mv + btn_det->v_btn_press_delta_sta;
- taiko->mbhc_data.v_b1_hu =
- taiko_codec_v_sta_dce(codec, STA, btn_delta_mv);
-
- btn_delta_mv = btn_mv + btn_det->v_btn_press_delta_cic;
-
- taiko->mbhc_data.v_b1_huc =
- taiko_codec_v_sta_dce(codec, DCE, btn_delta_mv);
-
- taiko->mbhc_data.v_brh = taiko->mbhc_data.v_b1_h;
- taiko->mbhc_data.v_brl = TAIKO_MBHC_BUTTON_MIN;
-
- taiko->mbhc_data.v_no_mic =
- taiko_codec_v_sta_dce(codec, STA, plug_type->v_no_mic);
-}
-
-void taiko_mbhc_init(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko;
- struct taiko_mbhc_general_cfg *generic;
- struct taiko_mbhc_btn_detect_cfg *btn_det;
- int n;
- u8 *n_cic, *gain;
-
- taiko = snd_soc_codec_get_drvdata(codec);
- generic = TAIKO_MBHC_CAL_GENERAL_PTR(taiko->mbhc_cfg.calibration);
- btn_det = TAIKO_MBHC_CAL_BTN_DET_PTR(taiko->mbhc_cfg.calibration);
-
- for (n = 0; n < 8; n++) {
- snd_soc_update_bits(codec,
- TAIKO_A_CDC_MBHC_FIR_B1_CFG,
- 0x07, n);
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_FIR_B2_CFG,
- btn_det->c[n]);
- }
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B2_CTL, 0x07,
- btn_det->nc);
-
- n_cic = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_N_CIC);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_TIMER_B6_CTL, 0xFF,
- n_cic[taiko_codec_mclk_index(taiko)]);
-
- gain = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_GAIN);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B2_CTL, 0x78,
- gain[taiko_codec_mclk_index(taiko)] << 3);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_TIMER_B4_CTL, 0x70,
- generic->mbhc_nsa << 4);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_TIMER_B4_CTL, 0x0F,
- btn_det->n_meas);
-
- snd_soc_write(codec, TAIKO_A_CDC_MBHC_TIMER_B5_CTL, generic->mbhc_navg);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x80, 0x80);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x78,
- btn_det->mbhc_nsc << 3);
-
- snd_soc_update_bits(codec, taiko->reg_addr.micb_4_mbhc, 0x03,
- TAIKO_MICBIAS2);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x02, 0x02);
-
- snd_soc_update_bits(codec, TAIKO_A_MBHC_SCALING_MUX_2, 0xF0, 0xF0);
-}
-
-static bool taiko_mbhc_fw_validate(const struct firmware *fw)
-{
- u32 cfg_offset;
- struct taiko_mbhc_imped_detect_cfg *imped_cfg;
- struct taiko_mbhc_btn_detect_cfg *btn_cfg;
-
- if (fw->size < TAIKO_MBHC_CAL_MIN_SIZE)
- return false;
-
- /* previous check guarantees that there is enough fw data up
- * to num_btn
- */
- btn_cfg = TAIKO_MBHC_CAL_BTN_DET_PTR(fw->data);
- cfg_offset = (u32) ((void *) btn_cfg - (void *) fw->data);
- if (fw->size < (cfg_offset + TAIKO_MBHC_CAL_BTN_SZ(btn_cfg)))
- return false;
-
- /* previous check guarantees that there is enough fw data up
- * to start of impedance detection configuration
- */
- imped_cfg = TAIKO_MBHC_CAL_IMPED_DET_PTR(fw->data);
- cfg_offset = (u32) ((void *) imped_cfg - (void *) fw->data);
-
- if (fw->size < (cfg_offset + TAIKO_MBHC_CAL_IMPED_MIN_SZ))
- return false;
-
- if (fw->size < (cfg_offset + TAIKO_MBHC_CAL_IMPED_SZ(imped_cfg)))
- return false;
-
- return true;
-}
-
-/* called under codec_resource_lock acquisition */
-static int taiko_determine_button(const struct taiko_priv *priv,
- const s32 micmv)
-{
- s16 *v_btn_low, *v_btn_high;
- struct taiko_mbhc_btn_detect_cfg *btn_det;
- int i, btn = -1;
-
- btn_det = TAIKO_MBHC_CAL_BTN_DET_PTR(priv->mbhc_cfg.calibration);
- v_btn_low = taiko_mbhc_cal_btn_det_mp(btn_det, TAIKO_BTN_DET_V_BTN_LOW);
- v_btn_high = taiko_mbhc_cal_btn_det_mp(btn_det,
- TAIKO_BTN_DET_V_BTN_HIGH);
-
- for (i = 0; i < btn_det->num_btn; i++) {
- if ((v_btn_low[i] <= micmv) && (v_btn_high[i] >= micmv)) {
- btn = i;
- break;
- }
- }
-
- if (btn == -1)
- pr_debug("%s: couldn't find button number for mic mv %d\n",
- __func__, micmv);
-
- return btn;
-}
-
-static int taiko_get_button_mask(const int btn)
-{
- int mask = 0;
- switch (btn) {
- case 0:
- mask = SND_JACK_BTN_0;
- break;
- case 1:
- mask = SND_JACK_BTN_1;
- break;
- case 2:
- mask = SND_JACK_BTN_2;
- break;
- case 3:
- mask = SND_JACK_BTN_3;
- break;
- case 4:
- mask = SND_JACK_BTN_4;
- break;
- case 5:
- mask = SND_JACK_BTN_5;
- break;
- case 6:
- mask = SND_JACK_BTN_6;
- break;
- case 7:
- mask = SND_JACK_BTN_7;
- break;
- }
- return mask;
-}
-
-static irqreturn_t taiko_dce_handler(int irq, void *data)
-{
- int i, mask;
- short dce, sta;
- s32 mv, mv_s, stamv_s;
- bool vddio;
- int btn = -1, meas = 0;
- struct taiko_priv *priv = data;
- const struct taiko_mbhc_btn_detect_cfg *d =
- TAIKO_MBHC_CAL_BTN_DET_PTR(priv->mbhc_cfg.calibration);
- short btnmeas[d->n_btn_meas + 1];
- struct snd_soc_codec *codec = priv->codec;
- struct wcd9xxx *core = dev_get_drvdata(priv->codec->dev->parent);
- int n_btn_meas = d->n_btn_meas;
- u8 mbhc_status = snd_soc_read(codec, TAIKO_A_CDC_MBHC_B1_STATUS) & 0x3E;
-
- pr_debug("%s: enter\n", __func__);
-
- TAIKO_ACQUIRE_LOCK(priv->codec_resource_lock);
- if (priv->mbhc_state == MBHC_STATE_POTENTIAL_RECOVERY) {
- pr_debug("%s: mbhc is being recovered, skip button press\n",
- __func__);
- goto done;
- }
-
- priv->mbhc_state = MBHC_STATE_POTENTIAL;
-
- if (!priv->mbhc_polling_active) {
- pr_warn("%s: mbhc polling is not active, skip button press\n",
- __func__);
- goto done;
- }
-
- dce = taiko_codec_read_dce_result(codec);
- mv = taiko_codec_sta_dce_v(codec, 1, dce);
-
- /* If GPIO interrupt already kicked in, ignore button press */
- if (priv->in_gpio_handler) {
- pr_debug("%s: GPIO State Changed, ignore button press\n",
- __func__);
- btn = -1;
- goto done;
- }
-
- vddio = (priv->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
- priv->mbhc_micbias_switched);
- mv_s = vddio ? taiko_scale_v_micb_vddio(priv, mv, false) : mv;
-
- if (mbhc_status != TAIKO_MBHC_STATUS_REL_DETECTION) {
- if (priv->mbhc_last_resume &&
- !time_after(jiffies, priv->mbhc_last_resume + HZ)) {
- pr_debug("%s: Button is already released shortly after resume\n",
- __func__);
- n_btn_meas = 0;
- } else {
- pr_debug("%s: Button is already released without resume",
- __func__);
- sta = taiko_codec_read_sta_result(codec);
- stamv_s = taiko_codec_sta_dce_v(codec, 0, sta);
- if (vddio)
- stamv_s = taiko_scale_v_micb_vddio(priv,
- stamv_s,
- false);
- btn = taiko_determine_button(priv, mv_s);
- if (btn != taiko_determine_button(priv, stamv_s))
- btn = -1;
- goto done;
- }
- }
-
- /* determine pressed button */
- btnmeas[meas++] = taiko_determine_button(priv, mv_s);
- pr_debug("%s: meas %d - DCE %d,%d,%d button %d\n", __func__,
- meas - 1, dce, mv, mv_s, btnmeas[meas - 1]);
- if (n_btn_meas == 0)
- btn = btnmeas[0];
- for (; ((d->n_btn_meas) && (meas < (d->n_btn_meas + 1))); meas++) {
- dce = taiko_codec_sta_dce(codec, 1, false);
- mv = taiko_codec_sta_dce_v(codec, 1, dce);
- mv_s = vddio ? taiko_scale_v_micb_vddio(priv, mv, false) : mv;
-
- btnmeas[meas] = taiko_determine_button(priv, mv_s);
- pr_debug("%s: meas %d - DCE %d,%d,%d button %d\n",
- __func__, meas, dce, mv, mv_s, btnmeas[meas]);
- /* if large enough measurements are collected,
- * start to check if last all n_btn_con measurements were
- * in same button low/high range */
- if (meas + 1 >= d->n_btn_con) {
- for (i = 0; i < d->n_btn_con; i++)
- if ((btnmeas[meas] < 0) ||
- (btnmeas[meas] != btnmeas[meas - i]))
- break;
- if (i == d->n_btn_con) {
- /* button pressed */
- btn = btnmeas[meas];
- break;
- } else if ((n_btn_meas - meas) < (d->n_btn_con - 1)) {
- /* if left measurements are less than n_btn_con,
- * it's impossible to find button number */
- break;
- }
- }
- }
-
- if (btn >= 0) {
- if (priv->in_gpio_handler) {
- pr_debug(
- "%s: GPIO already triggered, ignore button press\n",
- __func__);
- goto done;
- }
- mask = taiko_get_button_mask(btn);
- priv->buttons_pressed |= mask;
- wcd9xxx_lock_sleep(core);
- if (schedule_delayed_work(&priv->mbhc_btn_dwork,
- msecs_to_jiffies(400)) == 0) {
- WARN(1, "Button pressed twice without release event\n");
- wcd9xxx_unlock_sleep(core);
- }
- } else {
- pr_debug("%s: bogus button press, too short press?\n",
- __func__);
- }
-
- done:
- pr_debug("%s: leave\n", __func__);
- TAIKO_RELEASE_LOCK(priv->codec_resource_lock);
- return IRQ_HANDLED;
-}
-
-static int taiko_is_fake_press(struct taiko_priv *priv)
-{
- int i;
- int r = 0;
- struct snd_soc_codec *codec = priv->codec;
- const int dces = MBHC_NUM_DCE_PLUG_DETECT;
- s16 mb_v, v_ins_hu, v_ins_h;
-
- v_ins_hu = taiko_get_current_v_ins(priv, true);
- v_ins_h = taiko_get_current_v_ins(priv, false);
-
- for (i = 0; i < dces; i++) {
- usleep_range(10000, 10000);
- if (i == 0) {
- mb_v = taiko_codec_sta_dce(codec, 0, true);
- pr_debug("%s: STA[0]: %d,%d\n", __func__, mb_v,
- taiko_codec_sta_dce_v(codec, 0, mb_v));
- if (mb_v < (s16)priv->mbhc_data.v_b1_hu ||
- mb_v > v_ins_hu) {
- r = 1;
- break;
- }
- } else {
- mb_v = taiko_codec_sta_dce(codec, 1, true);
- pr_debug("%s: DCE[%d]: %d,%d\n", __func__, i, mb_v,
- taiko_codec_sta_dce_v(codec, 1, mb_v));
- if (mb_v < (s16)priv->mbhc_data.v_b1_h ||
- mb_v > v_ins_h) {
- r = 1;
- break;
- }
- }
- }
-
- return r;
-}
-
-static irqreturn_t taiko_release_handler(int irq, void *data)
-{
- int ret;
- struct taiko_priv *priv = data;
- struct snd_soc_codec *codec = priv->codec;
-
- pr_debug("%s: enter\n", __func__);
-
- TAIKO_ACQUIRE_LOCK(priv->codec_resource_lock);
- priv->mbhc_state = MBHC_STATE_RELEASE;
-
- taiko_codec_drive_v_to_micbias(codec, 10000);
-
- if (priv->buttons_pressed & TAIKO_JACK_BUTTON_MASK) {
- ret = taiko_cancel_btn_work(priv);
- if (ret == 0) {
- pr_debug("%s: Reporting long button release event\n",
- __func__);
- if (priv->mbhc_cfg.button_jack)
- taiko_snd_soc_jack_report(priv,
- priv->mbhc_cfg.button_jack, 0,
- priv->buttons_pressed);
- } else {
- if (taiko_is_fake_press(priv)) {
- pr_debug("%s: Fake button press interrupt\n",
- __func__);
- } else if (priv->mbhc_cfg.button_jack) {
- if (priv->in_gpio_handler) {
- pr_debug("%s: GPIO kicked in, ignore\n",
- __func__);
- } else {
- pr_debug(
- "%s: Reporting short button press and release\n",
- __func__);
- taiko_snd_soc_jack_report(priv,
- priv->mbhc_cfg.button_jack,
- priv->buttons_pressed,
- priv->buttons_pressed);
- taiko_snd_soc_jack_report(priv,
- priv->mbhc_cfg.button_jack, 0,
- priv->buttons_pressed);
- }
- }
- }
-
- priv->buttons_pressed &= ~TAIKO_JACK_BUTTON_MASK;
- }
-
- taiko_codec_calibrate_hs_polling(codec);
-
- if (priv->mbhc_cfg.gpio)
- msleep(TAIKO_MBHC_GPIO_REL_DEBOUNCE_TIME_MS);
-
- taiko_codec_start_hs_polling(codec);
-
- pr_debug("%s: leave\n", __func__);
- TAIKO_RELEASE_LOCK(priv->codec_resource_lock);
- return IRQ_HANDLED;
-}
-
-static void taiko_codec_shutdown_hs_removal_detect(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const struct taiko_mbhc_general_cfg *generic =
- TAIKO_MBHC_CAL_GENERAL_PTR(taiko->mbhc_cfg.calibration);
-
- if (!taiko->mclk_enabled && !taiko->mbhc_polling_active)
- taiko_codec_enable_config_mode(codec, 1);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x6, 0x0);
-
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg, 0x80, 0x00);
-
- usleep_range(generic->t_shutdown_plug_rem,
- generic->t_shutdown_plug_rem);
-
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL, 0xA, 0x8);
- if (!taiko->mclk_enabled && !taiko->mbhc_polling_active)
- taiko_codec_enable_config_mode(codec, 0);
-
- snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x00);
-}
-
-static void taiko_codec_cleanup_hs_polling(struct snd_soc_codec *codec)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- taiko_codec_shutdown_hs_removal_detect(codec);
-
- if (!taiko->mclk_enabled) {
- taiko_codec_disable_clock_block(codec);
- taiko_codec_enable_bandgap(codec, TAIKO_BANDGAP_OFF);
- }
-
- taiko->mbhc_polling_active = false;
- taiko->mbhc_state = MBHC_STATE_NONE;
-}
-
-static irqreturn_t taiko_hphl_ocp_irq(int irq, void *data)
-{
- struct taiko_priv *taiko = data;
- struct snd_soc_codec *codec;
-
- pr_info("%s: received HPHL OCP irq\n", __func__);
-
- if (taiko) {
- codec = taiko->codec;
- if (taiko->hphlocp_cnt++ < TAIKO_OCP_ATTEMPT) {
- pr_info("%s: retry\n", __func__);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10,
- 0x00);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10,
- 0x10);
- } else {
- wcd9xxx_disable_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
- taiko->hphlocp_cnt = 0;
- taiko->hph_status |= SND_JACK_OC_HPHL;
- if (taiko->mbhc_cfg.headset_jack)
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.headset_jack,
- taiko->hph_status,
- TAIKO_JACK_MASK);
- }
- } else {
- pr_err("%s: Bad taiko private data\n", __func__);
- }
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t taiko_hphr_ocp_irq(int irq, void *data)
-{
- struct taiko_priv *taiko = data;
- struct snd_soc_codec *codec;
-
- pr_info("%s: received HPHR OCP irq\n", __func__);
-
- if (taiko) {
- codec = taiko->codec;
- if (taiko->hphrocp_cnt++ < TAIKO_OCP_ATTEMPT) {
- pr_info("%s: retry\n", __func__);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10,
- 0x00);
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10,
- 0x10);
- } else {
- wcd9xxx_disable_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
- taiko->hphrocp_cnt = 0;
- taiko->hph_status |= SND_JACK_OC_HPHR;
- if (taiko->mbhc_cfg.headset_jack)
- taiko_snd_soc_jack_report(taiko,
- taiko->mbhc_cfg.headset_jack,
- taiko->hph_status,
- TAIKO_JACK_MASK);
- }
- } else {
- pr_err("%s: Bad taiko private data\n", __func__);
- }
-
- return IRQ_HANDLED;
-}
-
-static bool taiko_is_inval_ins_range(struct snd_soc_codec *codec,
- s32 mic_volt, bool highhph, bool *highv)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- bool invalid = false;
- s16 v_hs_max;
-
- /* Perform this check only when the high voltage headphone
- * needs to be considered as invalid
- */
- v_hs_max = taiko_get_current_v_hs_max(taiko);
- *highv = mic_volt > v_hs_max;
- if (!highhph && *highv)
- invalid = true;
- else if (mic_volt < taiko->mbhc_data.v_inval_ins_high &&
- (mic_volt > taiko->mbhc_data.v_inval_ins_low))
- invalid = true;
-
- return invalid;
-}
-
-static bool taiko_is_inval_ins_delta(struct snd_soc_codec *codec,
- int mic_volt, int mic_volt_prev,
- int threshold)
-{
- return abs(mic_volt - mic_volt_prev) > threshold;
-}
-
-/* called under codec_resource_lock acquisition */
-void taiko_find_plug_and_report(struct snd_soc_codec *codec,
- enum taiko_mbhc_plug_type plug_type)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- if (plug_type == PLUG_TYPE_HEADPHONE &&
- taiko->current_plug == PLUG_TYPE_NONE) {
- /* Nothing was reported previously
- * report a headphone or unsupported
- */
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADPHONE);
- taiko_codec_cleanup_hs_polling(codec);
- } else if (plug_type == PLUG_TYPE_GND_MIC_SWAP) {
- if (taiko->current_plug == PLUG_TYPE_HEADSET)
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADSET);
- else if (taiko->current_plug == PLUG_TYPE_HEADPHONE)
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADPHONE);
-
- taiko_codec_report_plug(codec, 1, SND_JACK_UNSUPPORTED);
- taiko_codec_cleanup_hs_polling(codec);
- } else if (plug_type == PLUG_TYPE_HEADSET) {
- /* If Headphone was reported previously, this will
- * only report the mic line
- */
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADSET);
- msleep(100);
- taiko_codec_start_hs_polling(codec);
- } else if (plug_type == PLUG_TYPE_HIGH_HPH) {
- if (taiko->current_plug == PLUG_TYPE_NONE)
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADPHONE);
- taiko_codec_cleanup_hs_polling(codec);
- pr_debug("setup mic trigger for further detection\n");
- taiko->lpi_enabled = true;
- taiko_codec_enable_hs_detect(codec, 1,
- MBHC_USE_MB_TRIGGER |
- MBHC_USE_HPHL_TRIGGER,
- false);
- } else {
- WARN(1, "Unexpected current plug_type %d, plug_type %d\n",
- taiko->current_plug, plug_type);
- }
-}
-
-/* should be called under interrupt context that hold suspend */
-static void taiko_schedule_hs_detect_plug(struct taiko_priv *taiko)
-{
- pr_debug("%s: scheduling taiko_hs_correct_gpio_plug\n", __func__);
- taiko->hs_detect_work_stop = false;
- wcd9xxx_lock_sleep(taiko->codec->control_data);
- schedule_work(&taiko->hs_correct_plug_work);
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_cancel_hs_detect_plug(struct taiko_priv *taiko)
-{
- pr_debug("%s: canceling hs_correct_plug_work\n", __func__);
- taiko->hs_detect_work_stop = true;
- wmb();
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- if (cancel_work_sync(&taiko->hs_correct_plug_work)) {
- pr_debug("%s: hs_correct_plug_work is canceled\n", __func__);
- wcd9xxx_unlock_sleep(taiko->codec->control_data);
- }
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
-}
-
-static bool taiko_hs_gpio_level_remove(struct taiko_priv *taiko)
-{
- return (gpio_get_value_cansleep(taiko->mbhc_cfg.gpio) !=
- taiko->mbhc_cfg.gpio_level_insert);
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_hphr_gnd_switch(struct snd_soc_codec *codec, bool on)
-{
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x01, on);
- if (on)
- usleep_range(5000, 5000);
-}
-
-/* called under codec_resource_lock acquisition and mbhc override = 1 */
-static enum taiko_mbhc_plug_type
-taiko_codec_get_plug_type(struct snd_soc_codec *codec, bool highhph)
-{
- int i;
- bool gndswitch, vddioswitch;
- int scaled;
- struct taiko_mbhc_plug_type_cfg *plug_type_ptr;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const bool vddio = (taiko->mbhc_data.micb_mv != VDDIO_MICBIAS_MV);
- int num_det = (MBHC_NUM_DCE_PLUG_DETECT + vddio);
- enum taiko_mbhc_plug_type plug_type[num_det];
- s16 mb_v[num_det];
- s32 mic_mv[num_det];
- bool inval;
- bool highdelta;
- bool ahighv = false, highv;
-
- /* make sure override is on */
- WARN_ON(!(snd_soc_read(codec, TAIKO_A_CDC_MBHC_B1_CTL) & 0x04));
-
- /* GND and MIC swap detection requires at least 2 rounds of DCE */
- BUG_ON(num_det < 2);
-
- plug_type_ptr =
- TAIKO_MBHC_CAL_PLUG_TYPE_PTR(taiko->mbhc_cfg.calibration);
-
- plug_type[0] = PLUG_TYPE_INVALID;
-
- /* performs DCEs for N times
- * 1st: check if voltage is in invalid range
- * 2nd - N-2nd: check voltage range and delta
- * N-1st: check voltage range, delta with HPHR GND switch
- * Nth: check voltage range with VDDIO switch if micbias V != vddio V*/
- for (i = 0; i < num_det; i++) {
- gndswitch = (i == (num_det - 1 - vddio));
- vddioswitch = (vddio && ((i == num_det - 1) ||
- (i == num_det - 2)));
- if (i == 0) {
- mb_v[i] = taiko_codec_setup_hs_polling(codec);
- mic_mv[i] = taiko_codec_sta_dce_v(codec, 1 , mb_v[i]);
- inval = taiko_is_inval_ins_range(codec, mic_mv[i],
- highhph, &highv);
- ahighv |= highv;
- scaled = mic_mv[i];
- } else {
- if (vddioswitch)
- __taiko_codec_switch_micbias(taiko->codec, 1,
- false, false);
- if (gndswitch)
- taiko_codec_hphr_gnd_switch(codec, true);
- mb_v[i] = __taiko_codec_sta_dce(codec, 1, true, true);
- mic_mv[i] = taiko_codec_sta_dce_v(codec, 1 , mb_v[i]);
- if (vddioswitch)
- scaled = taiko_scale_v_micb_vddio(taiko,
- mic_mv[i],
- false);
- else
- scaled = mic_mv[i];
- /* !gndswitch & vddioswitch means the previous DCE
- * was done with gndswitch, don't compare with DCE
- * with gndswitch */
- highdelta = taiko_is_inval_ins_delta(codec, scaled,
- mic_mv[i - !gndswitch - vddioswitch],
- TAIKO_MBHC_FAKE_INS_DELTA_SCALED_MV);
- inval = (taiko_is_inval_ins_range(codec, mic_mv[i],
- highhph, &highv) ||
- highdelta);
- ahighv |= highv;
- if (gndswitch)
- taiko_codec_hphr_gnd_switch(codec, false);
- if (vddioswitch)
- __taiko_codec_switch_micbias(taiko->codec, 0,
- false, false);
- /* claim UNSUPPORTED plug insertion when
- * good headset is detected but HPHR GND switch makes
- * delta difference */
- if (i == (num_det - 2) && highdelta && !ahighv)
- plug_type[0] = PLUG_TYPE_GND_MIC_SWAP;
- else if (i == (num_det - 1) && inval)
- plug_type[0] = PLUG_TYPE_INVALID;
- }
- pr_debug("%s: DCE #%d, %04x, V %d, scaled V %d, GND %d, VDDIO %d, inval %d\n",
- __func__, i + 1, mb_v[i] & 0xffff, mic_mv[i], scaled,
- gndswitch, vddioswitch, inval);
- /* don't need to run further DCEs */
- if (ahighv && inval)
- break;
- mic_mv[i] = scaled;
- }
-
- for (i = 0; (plug_type[0] != PLUG_TYPE_GND_MIC_SWAP && !inval) &&
- i < num_det; i++) {
- /*
- * If we are here, means none of the all
- * measurements are fake, continue plug type detection.
- * If all three measurements do not produce same
- * plug type, restart insertion detection
- */
- if (mic_mv[i] < plug_type_ptr->v_no_mic) {
- plug_type[i] = PLUG_TYPE_HEADPHONE;
- pr_debug("%s: Detect attempt %d, detected Headphone\n",
- __func__, i);
- } else if (highhph && (mic_mv[i] > plug_type_ptr->v_hs_max)) {
- plug_type[i] = PLUG_TYPE_HIGH_HPH;
- pr_debug(
- "%s: Detect attempt %d, detected High Headphone\n",
- __func__, i);
- } else {
- plug_type[i] = PLUG_TYPE_HEADSET;
- pr_debug("%s: Detect attempt %d, detected Headset\n",
- __func__, i);
- }
-
- if (i > 0 && (plug_type[i - 1] != plug_type[i])) {
- pr_err("%s: Detect attempt %d and %d are not same",
- __func__, i - 1, i);
- plug_type[0] = PLUG_TYPE_INVALID;
- inval = true;
- break;
- }
- }
-
- pr_debug("%s: Detected plug type %d\n", __func__, plug_type[0]);
- return plug_type[0];
-}
-
-static void taiko_hs_correct_gpio_plug(struct work_struct *work)
-{
- struct taiko_priv *taiko;
- struct snd_soc_codec *codec;
- int retry = 0, pt_gnd_mic_swap_cnt = 0;
- bool correction = false;
- enum taiko_mbhc_plug_type plug_type;
- unsigned long timeout;
-
- taiko = container_of(work, struct taiko_priv, hs_correct_plug_work);
- codec = taiko->codec;
-
- pr_debug("%s: enter\n", __func__);
- taiko->mbhc_cfg.mclk_cb_fn(codec, 1, false);
-
- /* Keep override on during entire plug type correction work.
- *
- * This is okay under the assumption that any GPIO irqs which use
- * MBHC block cancel and sync this work so override is off again
- * prior to GPIO interrupt handler's MBHC block usage.
- * Also while this correction work is running, we can guarantee
- * DAPM doesn't use any MBHC block as this work only runs with
- * headphone detection.
- */
- taiko_turn_onoff_override(codec, true);
-
- timeout = jiffies + msecs_to_jiffies(TAIKO_HS_DETECT_PLUG_TIME_MS);
- while (!time_after(jiffies, timeout)) {
- ++retry;
- rmb();
- if (taiko->hs_detect_work_stop) {
- pr_debug("%s: stop requested\n", __func__);
- break;
- }
-
- msleep(TAIKO_HS_DETECT_PLUG_INERVAL_MS);
- if (taiko_hs_gpio_level_remove(taiko)) {
- pr_debug("%s: GPIO value is low\n", __func__);
- break;
- }
-
- /* can race with removal interrupt */
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- plug_type = taiko_codec_get_plug_type(codec, true);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
-
- if (plug_type == PLUG_TYPE_INVALID) {
- pr_debug("Invalid plug in attempt # %d\n", retry);
- if (retry == NUM_ATTEMPTS_TO_REPORT &&
- taiko->current_plug == PLUG_TYPE_NONE) {
- taiko_codec_report_plug(codec, 1,
- SND_JACK_HEADPHONE);
- }
- } else if (plug_type == PLUG_TYPE_HEADPHONE) {
- pr_debug("Good headphone detected, continue polling mic\n");
- if (taiko->current_plug == PLUG_TYPE_NONE)
- taiko_codec_report_plug(codec, 1,
- SND_JACK_HEADPHONE);
- } else {
- if (plug_type == PLUG_TYPE_GND_MIC_SWAP) {
- pt_gnd_mic_swap_cnt++;
- if (pt_gnd_mic_swap_cnt <
- TAIKO_MBHC_GND_MIC_SWAP_THRESHOLD)
- continue;
- else if (pt_gnd_mic_swap_cnt >
- TAIKO_MBHC_GND_MIC_SWAP_THRESHOLD) {
- /* This is due to GND/MIC switch didn't
- * work, Report unsupported plug */
- } else if (taiko->mbhc_cfg.swap_gnd_mic) {
- /* if switch is toggled, check again,
- * otherwise report unsupported plug */
- if (taiko->mbhc_cfg.swap_gnd_mic(codec))
- continue;
- }
- } else
- pt_gnd_mic_swap_cnt = 0;
-
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- /* Turn off override */
- taiko_turn_onoff_override(codec, false);
- /* The valid plug also includes PLUG_TYPE_GND_MIC_SWAP
- */
- taiko_find_plug_and_report(codec, plug_type);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- pr_debug("Attempt %d found correct plug %d\n", retry,
- plug_type);
- correction = true;
- break;
- }
- }
-
- /* Turn off override */
- if (!correction)
- taiko_turn_onoff_override(codec, false);
-
- taiko->mbhc_cfg.mclk_cb_fn(codec, 0, false);
- pr_debug("%s: leave\n", __func__);
- /* unlock sleep */
- wcd9xxx_unlock_sleep(taiko->codec->control_data);
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_decide_gpio_plug(struct snd_soc_codec *codec)
-{
- enum taiko_mbhc_plug_type plug_type;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-
- pr_debug("%s: enter\n", __func__);
-
- taiko_turn_onoff_override(codec, true);
- plug_type = taiko_codec_get_plug_type(codec, true);
- taiko_turn_onoff_override(codec, false);
-
- if (taiko_hs_gpio_level_remove(taiko)) {
- pr_debug("%s: GPIO value is low when determining plug\n",
- __func__);
- return;
- }
-
- if (plug_type == PLUG_TYPE_INVALID ||
- plug_type == PLUG_TYPE_GND_MIC_SWAP) {
- taiko_schedule_hs_detect_plug(taiko);
- } else if (plug_type == PLUG_TYPE_HEADPHONE) {
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADPHONE);
-
- taiko_schedule_hs_detect_plug(taiko);
- } else {
- pr_debug("%s: Valid plug found, determine plug type %d\n",
- __func__, plug_type);
- taiko_find_plug_and_report(codec, plug_type);
- }
-}
-
-/* called under codec_resource_lock acquisition */
-static void taiko_codec_detect_plug_type(struct snd_soc_codec *codec)
-{
- enum taiko_mbhc_plug_type plug_type;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const struct taiko_mbhc_plug_detect_cfg *plug_det =
- TAIKO_MBHC_CAL_PLUG_DET_PTR(taiko->mbhc_cfg.calibration);
-
- /* Turn on the override,
- * taiko_codec_setup_hs_polling requires override on */
- taiko_turn_onoff_override(codec, true);
-
- if (plug_det->t_ins_complete > 20)
- msleep(plug_det->t_ins_complete);
- else
- usleep_range(plug_det->t_ins_complete * 1000,
- plug_det->t_ins_complete * 1000);
-
- if (taiko->mbhc_cfg.gpio) {
- /* Turn off the override */
- taiko_turn_onoff_override(codec, false);
- if (taiko_hs_gpio_level_remove(taiko))
- pr_debug(
- "%s: GPIO value is low when determining plug\n",
- __func__);
- else
- taiko_codec_decide_gpio_plug(codec);
- return;
- }
-
- plug_type = taiko_codec_get_plug_type(codec, false);
- taiko_turn_onoff_override(codec, false);
-
- if (plug_type == PLUG_TYPE_INVALID) {
- pr_debug("%s: Invalid plug type detected\n", __func__);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_B1_CTL, 0x02, 0x02);
- taiko_codec_cleanup_hs_polling(codec);
- taiko_codec_enable_hs_detect(codec, 1,
- MBHC_USE_MB_TRIGGER |
- MBHC_USE_HPHL_TRIGGER, false);
- } else if (plug_type == PLUG_TYPE_GND_MIC_SWAP) {
- pr_debug("%s: GND-MIC swapped plug type detected\n", __func__);
- taiko_codec_report_plug(codec, 1, SND_JACK_UNSUPPORTED);
- taiko_codec_cleanup_hs_polling(codec);
- taiko_codec_enable_hs_detect(codec, 0, 0, false);
- } else if (plug_type == PLUG_TYPE_HEADPHONE) {
- pr_debug("%s: Headphone Detected\n", __func__);
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADPHONE);
- taiko_codec_cleanup_hs_polling(codec);
- taiko_codec_enable_hs_detect(codec, 0, 0, false);
- } else if (plug_type == PLUG_TYPE_HEADSET) {
- pr_debug("%s: Headset detected\n", __func__);
- taiko_codec_report_plug(codec, 1, SND_JACK_HEADSET);
-
- /* avoid false button press detect */
- msleep(50);
- taiko_codec_start_hs_polling(codec);
- }
-}
-
-/* called only from interrupt which is under codec_resource_lock acquisition */
-static void taiko_hs_insert_irq_gpio(struct taiko_priv *priv, bool is_removal)
-{
- struct snd_soc_codec *codec = priv->codec;
-
- if (!is_removal) {
- pr_debug("%s: MIC trigger insertion interrupt\n", __func__);
-
- rmb();
- if (priv->lpi_enabled)
- msleep(100);
-
- rmb();
- if (!priv->lpi_enabled) {
- pr_debug("%s: lpi is disabled\n", __func__);
- } else if (gpio_get_value_cansleep(priv->mbhc_cfg.gpio) ==
- priv->mbhc_cfg.gpio_level_insert) {
- pr_debug(
- "%s: Valid insertion, detect plug type\n", __func__);
- taiko_codec_decide_gpio_plug(codec);
- } else {
- pr_debug(
- "%s: Invalid insertion stop plug detection\n",
- __func__);
- }
- } else {
- pr_err("%s: GPIO used, invalid MBHC Removal\n", __func__);
- }
-}
-
-/* called only from interrupt which is under codec_resource_lock acquisition */
-static void taiko_hs_insert_irq_nogpio(struct taiko_priv *priv, bool is_removal,
- bool is_mb_trigger)
-{
- int ret;
- struct snd_soc_codec *codec = priv->codec;
- struct wcd9xxx *core = dev_get_drvdata(priv->codec->dev->parent);
-
- if (is_removal) {
- /* cancel possiblely running hs detect work */
- taiko_cancel_hs_detect_plug(priv);
-
- /*
- * If headphone is removed while playback is in progress,
- * it is possible that micbias will be switched to VDDIO.
- */
- taiko_codec_switch_micbias(codec, 0);
- if (priv->current_plug == PLUG_TYPE_HEADPHONE)
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADPHONE);
- else if (priv->current_plug == PLUG_TYPE_GND_MIC_SWAP)
- taiko_codec_report_plug(codec, 0, SND_JACK_UNSUPPORTED);
- else
- WARN(1, "%s: Unexpected current plug type %d\n",
- __func__, priv->current_plug);
- taiko_codec_shutdown_hs_removal_detect(codec);
- taiko_codec_enable_hs_detect(codec, 1,
- MBHC_USE_MB_TRIGGER |
- MBHC_USE_HPHL_TRIGGER,
- true);
- } else if (is_mb_trigger && !is_removal) {
- pr_debug("%s: Waiting for Headphone left trigger\n",
- __func__);
- wcd9xxx_lock_sleep(core);
- if (schedule_delayed_work(&priv->mbhc_insert_dwork,
- usecs_to_jiffies(1000000)) == 0) {
- pr_err("%s: mbhc_insert_dwork is already scheduled\n",
- __func__);
- wcd9xxx_unlock_sleep(core);
- }
- taiko_codec_enable_hs_detect(codec, 1, MBHC_USE_HPHL_TRIGGER,
- false);
- } else {
- ret = cancel_delayed_work(&priv->mbhc_insert_dwork);
- if (ret != 0) {
- pr_debug(
- "%s: Complete plug insertion, Detecting plug type\n",
- __func__);
- taiko_codec_detect_plug_type(codec);
- wcd9xxx_unlock_sleep(core);
- } else {
- wcd9xxx_enable_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION);
- pr_err("%s: Error detecting plug insertion\n",
- __func__);
- }
- }
-}
-
-static irqreturn_t taiko_hs_insert_irq(int irq, void *data)
-{
- bool is_mb_trigger, is_removal;
- struct taiko_priv *priv = data;
- struct snd_soc_codec *codec = priv->codec;
-
- pr_debug("%s: enter\n", __func__);
- TAIKO_ACQUIRE_LOCK(priv->codec_resource_lock);
- wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
-
- is_mb_trigger = !!(snd_soc_read(codec, priv->mbhc_bias_regs.mbhc_reg) &
- 0x10);
- is_removal = !!(snd_soc_read(codec, TAIKO_A_CDC_MBHC_INT_CTL) & 0x02);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x03, 0x00);
-
- /* Turn off both HPH and MIC line schmitt triggers */
- snd_soc_update_bits(codec, priv->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x13, 0x00);
- snd_soc_update_bits(codec, priv->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
-
- if (priv->mbhc_cfg.gpio)
- taiko_hs_insert_irq_gpio(priv, is_removal);
- else
- taiko_hs_insert_irq_nogpio(priv, is_removal, is_mb_trigger);
-
- TAIKO_RELEASE_LOCK(priv->codec_resource_lock);
- return IRQ_HANDLED;
-}
-
-static bool is_valid_mic_voltage(struct snd_soc_codec *codec, s32 mic_mv)
-{
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const struct taiko_mbhc_plug_type_cfg *plug_type =
- TAIKO_MBHC_CAL_PLUG_TYPE_PTR(taiko->mbhc_cfg.calibration);
- const s16 v_hs_max = taiko_get_current_v_hs_max(taiko);
-
- return (!(mic_mv > 10 && mic_mv < 80) && (mic_mv > plug_type->v_no_mic)
- && (mic_mv < v_hs_max)) ? true : false;
-}
-
-/* called under codec_resource_lock acquisition
- * returns true if mic voltage range is back to normal insertion
- * returns false either if timedout or removed */
-static bool taiko_hs_remove_settle(struct snd_soc_codec *codec)
-{
- int i;
- bool timedout, settled = false;
- s32 mic_mv[MBHC_NUM_DCE_PLUG_DETECT];
- short mb_v[MBHC_NUM_DCE_PLUG_DETECT];
- unsigned long retry = 0, timeout;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- const s16 v_hs_max = taiko_get_current_v_hs_max(taiko);
-
- timeout = jiffies + msecs_to_jiffies(TAIKO_HS_DETECT_PLUG_TIME_MS);
- while (!(timedout = time_after(jiffies, timeout))) {
- retry++;
- if (taiko->mbhc_cfg.gpio && taiko_hs_gpio_level_remove(taiko)) {
- pr_debug("%s: GPIO indicates removal\n", __func__);
- break;
- }
-
- if (taiko->mbhc_cfg.gpio) {
- if (retry > 1)
- msleep(250);
- else
- msleep(50);
- }
-
- if (taiko->mbhc_cfg.gpio && taiko_hs_gpio_level_remove(taiko)) {
- pr_debug("%s: GPIO indicates removal\n", __func__);
- break;
- }
-
- for (i = 0; i < MBHC_NUM_DCE_PLUG_DETECT; i++) {
- mb_v[i] = taiko_codec_sta_dce(codec, 1, true);
- mic_mv[i] = taiko_codec_sta_dce_v(codec, 1 , mb_v[i]);
- pr_debug("%s : DCE run %lu, mic_mv = %d(%x)\n",
- __func__, retry, mic_mv[i], mb_v[i]);
- }
-
- if (taiko->mbhc_cfg.gpio && taiko_hs_gpio_level_remove(taiko)) {
- pr_debug("%s: GPIO indicates removal\n", __func__);
- break;
- }
-
- if (taiko->current_plug == PLUG_TYPE_NONE) {
- pr_debug("%s : headset/headphone is removed\n",
- __func__);
- break;
- }
-
- for (i = 0; i < MBHC_NUM_DCE_PLUG_DETECT; i++)
- if (!is_valid_mic_voltage(codec, mic_mv[i]))
- break;
-
- if (i == MBHC_NUM_DCE_PLUG_DETECT) {
- pr_debug("%s: MIC voltage settled\n", __func__);
- settled = true;
- msleep(200);
- break;
- }
-
- /* only for non-GPIO remove irq */
- if (!taiko->mbhc_cfg.gpio) {
- for (i = 0; i < MBHC_NUM_DCE_PLUG_DETECT; i++)
- if (mic_mv[i] < v_hs_max)
- break;
- if (i == MBHC_NUM_DCE_PLUG_DETECT) {
- pr_debug("%s: Headset is removed\n", __func__);
- break;
- }
- }
- }
-
- if (timedout)
- pr_debug("%s: Microphone did not settle in %d seconds\n",
- __func__, TAIKO_HS_DETECT_PLUG_TIME_MS);
- return settled;
-}
-
-/* called only from interrupt which is under codec_resource_lock acquisition */
-static void taiko_hs_remove_irq_gpio(struct taiko_priv *priv)
-{
- struct snd_soc_codec *codec = priv->codec;
-
- if (taiko_hs_remove_settle(codec))
- taiko_codec_start_hs_polling(codec);
- pr_debug("%s: remove settle done\n", __func__);
-}
-
-/* called only from interrupt which is under codec_resource_lock acquisition */
-static void taiko_hs_remove_irq_nogpio(struct taiko_priv *priv)
-{
- short bias_value;
- bool removed = true;
- struct snd_soc_codec *codec = priv->codec;
- const struct taiko_mbhc_general_cfg *generic =
- TAIKO_MBHC_CAL_GENERAL_PTR(priv->mbhc_cfg.calibration);
- int min_us = TAIKO_FAKE_REMOVAL_MIN_PERIOD_MS * 1000;
-
- if (priv->current_plug != PLUG_TYPE_HEADSET) {
- pr_debug("%s(): Headset is not inserted, ignore removal\n",
- __func__);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL,
- 0x08, 0x08);
- return;
- }
-
- usleep_range(generic->t_shutdown_plug_rem,
- generic->t_shutdown_plug_rem);
-
- do {
- bias_value = taiko_codec_sta_dce(codec, 1, true);
- pr_debug("%s: DCE %d,%d, %d us left\n", __func__, bias_value,
- taiko_codec_sta_dce_v(codec, 1, bias_value), min_us);
- if (bias_value < taiko_get_current_v_ins(priv, false)) {
- pr_debug("%s: checking false removal\n", __func__);
- msleep(500);
- removed = !taiko_hs_remove_settle(codec);
- pr_debug("%s: headset %sactually removed\n", __func__,
- removed ? "" : "not ");
- break;
- }
- min_us -= priv->mbhc_data.t_dce;
- } while (min_us > 0);
-
- if (removed) {
- /* cancel possiblely running hs detect work */
- taiko_cancel_hs_detect_plug(priv);
- /*
- * If this removal is not false, first check the micbias
- * switch status and switch it to LDOH if it is already
- * switched to VDDIO.
- */
- taiko_codec_switch_micbias(codec, 0);
-
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADSET);
- taiko_codec_cleanup_hs_polling(codec);
- taiko_codec_enable_hs_detect(codec, 1,
- MBHC_USE_MB_TRIGGER |
- MBHC_USE_HPHL_TRIGGER,
- true);
- } else {
- taiko_codec_start_hs_polling(codec);
- }
-}
-
-static irqreturn_t taiko_hs_remove_irq(int irq, void *data)
-{
- struct taiko_priv *priv = data;
- bool vddio;
- pr_debug("%s: enter, removal interrupt\n", __func__);
-
- TAIKO_ACQUIRE_LOCK(priv->codec_resource_lock);
- vddio = (priv->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
- priv->mbhc_micbias_switched);
- if (vddio)
- __taiko_codec_switch_micbias(priv->codec, 0, false, true);
-
- if (priv->mbhc_cfg.gpio)
- taiko_hs_remove_irq_gpio(priv);
- else
- taiko_hs_remove_irq_nogpio(priv);
-
- /* if driver turned off vddio switch and headset is not removed,
- * turn on the vddio switch back, if headset is removed then vddio
- * switch is off by time now and shouldn't be turn on again from here */
- if (vddio && priv->current_plug == PLUG_TYPE_HEADSET)
- __taiko_codec_switch_micbias(priv->codec, 1, true, true);
- TAIKO_RELEASE_LOCK(priv->codec_resource_lock);
-
- return IRQ_HANDLED;
-}
-
-static void taiko_mbhc_insert_work(struct work_struct *work)
-{
- struct delayed_work *dwork;
- struct taiko_priv *taiko;
- struct snd_soc_codec *codec;
- struct wcd9xxx *taiko_core;
-
- dwork = to_delayed_work(work);
- taiko = container_of(dwork, struct taiko_priv, mbhc_insert_dwork);
- codec = taiko->codec;
- taiko_core = dev_get_drvdata(codec->dev->parent);
-
- pr_debug("%s:\n", __func__);
-
- /* Turn off both HPH and MIC line schmitt triggers */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x13, 0x00);
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
- wcd9xxx_disable_irq_sync(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION);
- taiko_codec_detect_plug_type(codec);
- wcd9xxx_unlock_sleep(taiko_core);
-}
-
-static void taiko_hs_gpio_handler(struct snd_soc_codec *codec)
-{
- bool insert;
- struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- bool is_removed = false;
-
- pr_debug("%s: enter\n", __func__);
-
- taiko->in_gpio_handler = true;
- /* Wait here for debounce time */
- usleep_range(TAIKO_GPIO_IRQ_DEBOUNCE_TIME_US,
- TAIKO_GPIO_IRQ_DEBOUNCE_TIME_US);
-
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
-
- /* cancel pending button press */
- if (taiko_cancel_btn_work(taiko))
- pr_debug("%s: button press is canceled\n", __func__);
-
- insert = (gpio_get_value_cansleep(taiko->mbhc_cfg.gpio) ==
- taiko->mbhc_cfg.gpio_level_insert);
- if ((taiko->current_plug == PLUG_TYPE_NONE) && insert) {
- taiko->lpi_enabled = false;
- wmb();
-
- /* cancel detect plug */
- taiko_cancel_hs_detect_plug(taiko);
-
- /* Disable Mic Bias pull down and HPH Switch to GND */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x01,
- 0x00);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x01, 0x00);
- taiko_codec_detect_plug_type(codec);
- } else if ((taiko->current_plug != PLUG_TYPE_NONE) && !insert) {
- taiko->lpi_enabled = false;
- wmb();
-
- /* cancel detect plug */
- taiko_cancel_hs_detect_plug(taiko);
-
- if (taiko->current_plug == PLUG_TYPE_HEADPHONE) {
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADPHONE);
- is_removed = true;
- } else if (taiko->current_plug == PLUG_TYPE_GND_MIC_SWAP) {
- taiko_codec_report_plug(codec, 0, SND_JACK_UNSUPPORTED);
- is_removed = true;
- } else if (taiko->current_plug == PLUG_TYPE_HEADSET) {
- taiko_codec_pause_hs_polling(codec);
- taiko_codec_cleanup_hs_polling(codec);
- taiko_codec_report_plug(codec, 0, SND_JACK_HEADSET);
- is_removed = true;
- }
-
- if (is_removed) {
- /* Enable Mic Bias pull down and HPH Switch to GND */
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.ctl_reg, 0x01,
- 0x01);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x01,
- 0x01);
- /* Make sure mic trigger is turned off */
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.ctl_reg,
- 0x01, 0x01);
- snd_soc_update_bits(codec,
- taiko->mbhc_bias_regs.mbhc_reg,
- 0x90, 0x00);
- /* Reset MBHC State Machine */
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL,
- 0x08, 0x08);
- snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_CLK_CTL,
- 0x08, 0x00);
- /* Turn off override */
- taiko_turn_onoff_override(codec, false);
- }
- }
-
- taiko->in_gpio_handler = false;
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- pr_debug("%s: leave\n", __func__);
-}
-
-static irqreturn_t taiko_mechanical_plug_detect_irq(int irq, void *data)
-{
- int r = IRQ_HANDLED;
- struct snd_soc_codec *codec = data;
-
- if (unlikely(wcd9xxx_lock_sleep(codec->control_data) == false)) {
- pr_warn("%s: failed to hold suspend\n", __func__);
- r = IRQ_NONE;
- } else {
- taiko_hs_gpio_handler(codec);
- wcd9xxx_unlock_sleep(codec->control_data);
- }
-
- return r;
-}
-
-static int taiko_mbhc_init_and_calibrate(struct taiko_priv *taiko)
-{
- int ret = 0;
- struct snd_soc_codec *codec = taiko->codec;
-
- taiko->mbhc_cfg.mclk_cb_fn(codec, 1, false);
- taiko_mbhc_init(codec);
- taiko_mbhc_cal(codec);
- taiko_mbhc_calc_thres(codec);
- taiko->mbhc_cfg.mclk_cb_fn(codec, 0, false);
- taiko_codec_calibrate_hs_polling(codec);
- if (!taiko->mbhc_cfg.gpio) {
- ret = taiko_codec_enable_hs_detect(codec, 1,
- MBHC_USE_MB_TRIGGER |
- MBHC_USE_HPHL_TRIGGER,
- false);
-
- if (IS_ERR_VALUE(ret))
- pr_err("%s: Failed to setup MBHC detection\n",
- __func__);
- } else {
- /* Enable Mic Bias pull down and HPH Switch to GND */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg,
- 0x01, 0x01);
- snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x01, 0x01);
- INIT_WORK(&taiko->hs_correct_plug_work,
- taiko_hs_correct_gpio_plug);
- }
-
- if (!IS_ERR_VALUE(ret)) {
- snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10, 0x10);
- wcd9xxx_enable_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
- wcd9xxx_enable_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
-
- if (taiko->mbhc_cfg.gpio) {
- ret = request_threaded_irq(taiko->mbhc_cfg.gpio_irq,
- NULL,
- taiko_mechanical_plug_detect_irq,
- (IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING),
- "taiko-gpio", codec);
- if (!IS_ERR_VALUE(ret)) {
- ret = enable_irq_wake(taiko->mbhc_cfg.gpio_irq);
- /* Bootup time detection */
- taiko_hs_gpio_handler(codec);
- }
- }
- }
-
- return ret;
-}
-
-static void mbhc_fw_read(struct work_struct *work)
-{
- struct delayed_work *dwork;
- struct taiko_priv *taiko;
- struct snd_soc_codec *codec;
- const struct firmware *fw;
- int ret = -1, retry = 0;
-
- dwork = to_delayed_work(work);
- taiko = container_of(dwork, struct taiko_priv, mbhc_firmware_dwork);
- codec = taiko->codec;
-
- while (retry < MBHC_FW_READ_ATTEMPTS) {
- retry++;
- pr_info("%s:Attempt %d to request MBHC firmware\n",
- __func__, retry);
- ret = request_firmware(&fw, "wcd9320/wcd9320_mbhc.bin",
- codec->dev);
-
- if (ret != 0) {
- usleep_range(MBHC_FW_READ_TIMEOUT,
- MBHC_FW_READ_TIMEOUT);
- } else {
- pr_info("%s: MBHC Firmware read succesful\n", __func__);
- break;
- }
- }
-
- if (ret != 0) {
- pr_err("%s: Cannot load MBHC firmware use default cal\n",
- __func__);
- } else if (taiko_mbhc_fw_validate(fw) == false) {
- pr_err("%s: Invalid MBHC cal data size use default cal\n",
- __func__);
- release_firmware(fw);
- } else {
- taiko->mbhc_cfg.calibration = (void *)fw->data;
- taiko->mbhc_fw = fw;
- }
-
- (void) taiko_mbhc_init_and_calibrate(taiko);
-}
-
-int taiko_hs_detect(struct snd_soc_codec *codec,
- const struct taiko_mbhc_config *cfg)
-{
- struct taiko_priv *taiko;
- int rc = 0;
-
- if (!codec) {
- pr_err("%s: no codec\n", __func__);
- return -EINVAL;
- }
-
- if (!cfg->calibration) {
- pr_warn("%s: mbhc is not configured\n", __func__);
- return 0;
- }
-
- if (cfg->mclk_rate != TAIKO_MCLK_RATE_12288KHZ) {
- if (cfg->mclk_rate == TAIKO_MCLK_RATE_9600KHZ)
- pr_err("Error: clock rate %dHz is not yet supported\n",
- cfg->mclk_rate);
- else
- pr_err("Error: unsupported clock rate %d\n",
- cfg->mclk_rate);
- return -EINVAL;
- }
-
- taiko = snd_soc_codec_get_drvdata(codec);
- taiko->mbhc_cfg = *cfg;
- taiko->in_gpio_handler = false;
- taiko->current_plug = PLUG_TYPE_NONE;
- taiko->lpi_enabled = false;
- taiko_get_mbhc_micbias_regs(codec, &taiko->mbhc_bias_regs);
-
- /* Put CFILT in fast mode by default */
- snd_soc_update_bits(codec, taiko->mbhc_bias_regs.cfilt_ctl,
- 0x40, TAIKO_CFILT_FAST_MODE);
- INIT_DELAYED_WORK(&taiko->mbhc_firmware_dwork, mbhc_fw_read);
- INIT_DELAYED_WORK(&taiko->mbhc_btn_dwork, btn_lpress_fn);
- INIT_WORK(&taiko->hphlocp_work, hphlocp_off_report);
- INIT_WORK(&taiko->hphrocp_work, hphrocp_off_report);
- INIT_DELAYED_WORK(&taiko->mbhc_insert_dwork, taiko_mbhc_insert_work);
-
- if (!taiko->mbhc_cfg.read_fw_bin)
- rc = taiko_mbhc_init_and_calibrate(taiko);
- else
- schedule_delayed_work(&taiko->mbhc_firmware_dwork,
- usecs_to_jiffies(MBHC_FW_READ_TIMEOUT));
-
- return rc;
-}
-EXPORT_SYMBOL_GPL(taiko_hs_detect);
-
static unsigned long slimbus_value;
static irqreturn_t taiko_slimbus_irq(int irq, void *data)
@@ -7285,8 +4180,8 @@
}
wcd9xxx_interface_reg_write(codec->control_data,
TAIKO_SLIM_PGD_PORT_INT_CLR0 + i, 0xFF);
- }
+ }
return IRQ_HANDLED;
}
@@ -7317,7 +4212,6 @@
/** end of Ear PA load 32 */
};
-
static const struct taiko_reg_mask_val taiko_1_0_class_h_hph[] = {
/* CLASS-H HPH IDLE_THRESHOLD Table */
@@ -7372,7 +4266,7 @@
static int taiko_handle_pdata(struct taiko_priv *taiko)
{
struct snd_soc_codec *codec = taiko->codec;
- struct wcd9xxx_pdata *pdata = taiko->pdata;
+ struct wcd9xxx_pdata *pdata = taiko->resmgr.pdata;
int k1, k2, k3, rc = 0;
u8 leg_mode, txfe_bypass, txfe_buff, flag;
u8 i = 0, j = 0;
@@ -7390,46 +4284,38 @@
flag = pdata->amic_settings.use_pdata;
/* Make sure settings are correct */
- if ((pdata->micbias.ldoh_v > TAIKO_LDOH_2P85_V) ||
- (pdata->micbias.bias1_cfilt_sel > TAIKO_CFILT3_SEL) ||
- (pdata->micbias.bias2_cfilt_sel > TAIKO_CFILT3_SEL) ||
- (pdata->micbias.bias3_cfilt_sel > TAIKO_CFILT3_SEL) ||
- (pdata->micbias.bias4_cfilt_sel > TAIKO_CFILT3_SEL)) {
+ if ((pdata->micbias.ldoh_v > WCD9XXX_LDOH_3P0_V) ||
+ (pdata->micbias.bias1_cfilt_sel > WCD9XXX_CFILT3_SEL) ||
+ (pdata->micbias.bias2_cfilt_sel > WCD9XXX_CFILT3_SEL) ||
+ (pdata->micbias.bias3_cfilt_sel > WCD9XXX_CFILT3_SEL) ||
+ (pdata->micbias.bias4_cfilt_sel > WCD9XXX_CFILT3_SEL)) {
rc = -EINVAL;
goto done;
}
-
/* figure out k value */
- k1 = taiko_find_k_value(pdata->micbias.ldoh_v,
- pdata->micbias.cfilt1_mv);
- k2 = taiko_find_k_value(pdata->micbias.ldoh_v,
- pdata->micbias.cfilt2_mv);
- k3 = taiko_find_k_value(pdata->micbias.ldoh_v,
- pdata->micbias.cfilt3_mv);
+ k1 = wcd9xxx_resmgr_get_k_val(&taiko->resmgr, pdata->micbias.cfilt1_mv);
+ k2 = wcd9xxx_resmgr_get_k_val(&taiko->resmgr, pdata->micbias.cfilt2_mv);
+ k3 = wcd9xxx_resmgr_get_k_val(&taiko->resmgr, pdata->micbias.cfilt3_mv);
if (IS_ERR_VALUE(k1) || IS_ERR_VALUE(k2) || IS_ERR_VALUE(k3)) {
rc = -EINVAL;
goto done;
}
-
/* Set voltage level and always use LDO */
snd_soc_update_bits(codec, TAIKO_A_LDO_H_MODE_1, 0x0C,
- (pdata->micbias.ldoh_v << 2));
+ (pdata->micbias.ldoh_v << 2));
- snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_1_VAL, 0xFC,
- (k1 << 2));
- snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_2_VAL, 0xFC,
- (k2 << 2));
- snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_3_VAL, 0xFC,
- (k3 << 2));
+ snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_1_VAL, 0xFC, (k1 << 2));
+ snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_2_VAL, 0xFC, (k2 << 2));
+ snd_soc_update_bits(codec, TAIKO_A_MICB_CFILT_3_VAL, 0xFC, (k3 << 2));
snd_soc_update_bits(codec, TAIKO_A_MICB_1_CTL, 0x60,
- (pdata->micbias.bias1_cfilt_sel << 5));
+ (pdata->micbias.bias1_cfilt_sel << 5));
snd_soc_update_bits(codec, TAIKO_A_MICB_2_CTL, 0x60,
- (pdata->micbias.bias2_cfilt_sel << 5));
+ (pdata->micbias.bias2_cfilt_sel << 5));
snd_soc_update_bits(codec, TAIKO_A_MICB_3_CTL, 0x60,
- (pdata->micbias.bias3_cfilt_sel << 5));
- snd_soc_update_bits(codec, taiko->reg_addr.micb_4_ctl, 0x60,
+ (pdata->micbias.bias3_cfilt_sel << 5));
+ snd_soc_update_bits(codec, taiko->resmgr.reg_addr->micb_4_ctl, 0x60,
(pdata->micbias.bias4_cfilt_sel << 5));
for (i = 0; i < 6; j++, i += 2) {
@@ -7672,230 +4558,48 @@
taiko_codec_reg_init_val[i].val);
}
-static void taiko_update_reg_address(struct taiko_priv *priv)
-{
- struct taiko_reg_address *reg_addr = &priv->reg_addr;
- reg_addr->micb_4_mbhc = TAIKO_A_MICB_4_MBHC;
- reg_addr->micb_4_int_rbias = TAIKO_A_MICB_4_INT_RBIAS;
- reg_addr->micb_4_ctl = TAIKO_A_MICB_4_CTL;
-
-}
-
-#ifdef CONFIG_DEBUG_FS
-static int codec_debug_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-static ssize_t codec_debug_write(struct file *filp,
- const char __user *ubuf, size_t cnt, loff_t *ppos)
-{
- char lbuf[32];
- char *buf;
- int rc;
- struct taiko_priv *taiko = filp->private_data;
-
- if (cnt > sizeof(lbuf) - 1)
- return -EINVAL;
-
- rc = copy_from_user(lbuf, ubuf, cnt);
- if (rc)
- return -EFAULT;
-
- lbuf[cnt] = '\0';
- buf = (char *)lbuf;
- taiko->no_mic_headset_override = (*strsep(&buf, " ") == '0') ?
- false : true;
- return rc;
-}
-
-static ssize_t codec_mbhc_debug_read(struct file *file, char __user *buf,
- size_t count, loff_t *pos)
-{
- const int size = 768;
- char buffer[size];
- int n = 0;
- struct taiko_priv *taiko = file->private_data;
- struct snd_soc_codec *codec = taiko->codec;
- const struct mbhc_internal_cal_data *p = &taiko->mbhc_data;
- const s16 v_ins_hu_cur = taiko_get_current_v_ins(taiko, true);
- const s16 v_ins_h_cur = taiko_get_current_v_ins(taiko, false);
-
- n = scnprintf(buffer, size - n, "dce_z = %x(%dmv)\n", p->dce_z,
- taiko_codec_sta_dce_v(codec, 1, p->dce_z));
- n += scnprintf(buffer + n, size - n, "dce_mb = %x(%dmv)\n",
- p->dce_mb, taiko_codec_sta_dce_v(codec, 1, p->dce_mb));
- n += scnprintf(buffer + n, size - n, "sta_z = %x(%dmv)\n",
- p->sta_z, taiko_codec_sta_dce_v(codec, 0, p->sta_z));
- n += scnprintf(buffer + n, size - n, "sta_mb = %x(%dmv)\n",
- p->sta_mb, taiko_codec_sta_dce_v(codec, 0, p->sta_mb));
- n += scnprintf(buffer + n, size - n, "t_dce = %x\n", p->t_dce);
- n += scnprintf(buffer + n, size - n, "t_sta = %x\n", p->t_sta);
- n += scnprintf(buffer + n, size - n, "micb_mv = %dmv\n",
- p->micb_mv);
- n += scnprintf(buffer + n, size - n, "v_ins_hu = %x(%dmv)%s\n",
- p->v_ins_hu,
- taiko_codec_sta_dce_v(codec, 0, p->v_ins_hu),
- p->v_ins_hu == v_ins_hu_cur ? "*" : "");
- n += scnprintf(buffer + n, size - n, "v_ins_h = %x(%dmv)%s\n",
- p->v_ins_h, taiko_codec_sta_dce_v(codec, 1, p->v_ins_h),
- p->v_ins_h == v_ins_h_cur ? "*" : "");
- n += scnprintf(buffer + n, size - n, "adj_v_ins_hu = %x(%dmv)%s\n",
- p->adj_v_ins_hu,
- taiko_codec_sta_dce_v(codec, 0, p->adj_v_ins_hu),
- p->adj_v_ins_hu == v_ins_hu_cur ? "*" : "");
- n += scnprintf(buffer + n, size - n, "adj_v_ins_h = %x(%dmv)%s\n",
- p->adj_v_ins_h,
- taiko_codec_sta_dce_v(codec, 1, p->adj_v_ins_h),
- p->adj_v_ins_h == v_ins_h_cur ? "*" : "");
- n += scnprintf(buffer + n, size - n, "v_b1_hu = %x(%dmv)\n",
- p->v_b1_hu, taiko_codec_sta_dce_v(codec, 0, p->v_b1_hu));
- n += scnprintf(buffer + n, size - n, "v_b1_h = %x(%dmv)\n",
- p->v_b1_h, taiko_codec_sta_dce_v(codec, 1, p->v_b1_h));
- n += scnprintf(buffer + n, size - n, "v_b1_huc = %x(%dmv)\n",
- p->v_b1_huc,
- taiko_codec_sta_dce_v(codec, 1, p->v_b1_huc));
- n += scnprintf(buffer + n, size - n, "v_brh = %x(%dmv)\n",
- p->v_brh, taiko_codec_sta_dce_v(codec, 1, p->v_brh));
- n += scnprintf(buffer + n, size - n, "v_brl = %x(%dmv)\n", p->v_brl,
- taiko_codec_sta_dce_v(codec, 0, p->v_brl));
- n += scnprintf(buffer + n, size - n, "v_no_mic = %x(%dmv)\n",
- p->v_no_mic,
- taiko_codec_sta_dce_v(codec, 0, p->v_no_mic));
- n += scnprintf(buffer + n, size - n, "npoll = %d\n", p->npoll);
- n += scnprintf(buffer + n, size - n, "nbounce_wait = %d\n",
- p->nbounce_wait);
- n += scnprintf(buffer + n, size - n, "v_inval_ins_low = %d\n",
- p->v_inval_ins_low);
- n += scnprintf(buffer + n, size - n, "v_inval_ins_high = %d\n",
- p->v_inval_ins_high);
- if (taiko->mbhc_cfg.gpio)
- n += scnprintf(buffer + n, size - n, "GPIO insert = %d\n",
- taiko_hs_gpio_level_remove(taiko));
- buffer[n] = 0;
-
- return simple_read_from_buffer(buf, count, pos, buffer, n);
-}
-
-static const struct file_operations codec_debug_ops = {
- .open = codec_debug_open,
- .write = codec_debug_write,
-};
-
-static const struct file_operations codec_mbhc_debug_ops = {
- .open = codec_debug_open,
- .read = codec_mbhc_debug_read,
-};
-#endif
-
static int taiko_setup_irqs(struct taiko_priv *taiko)
{
- int ret;
int i;
+ int ret = 0;
struct snd_soc_codec *codec = taiko->codec;
- ret = wcd9xxx_request_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION,
- taiko_hs_insert_irq, "Headset insert detect",
- taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_MBHC_INSERTION);
- goto err_insert_irq;
- }
- wcd9xxx_disable_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION);
-
- ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL,
- taiko_hs_remove_irq, "Headset remove detect",
- taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_MBHC_REMOVAL);
- goto err_remove_irq;
- }
-
- ret = wcd9xxx_request_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_POTENTIAL,
- taiko_dce_handler, "DC Estimation detect",
- taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_MBHC_POTENTIAL);
- goto err_potential_irq;
- }
-
- ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE,
- taiko_release_handler, "Button Release detect",
- taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_MBHC_RELEASE);
- goto err_release_irq;
- }
-
ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
taiko_slimbus_irq, "SLIMBUS Slave", taiko);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
WCD9XXX_IRQ_SLIMBUS);
- goto err_slimbus_irq;
+ goto exit;
}
for (i = 0; i < WCD9XXX_SLIM_NUM_PORT_REG; i++)
wcd9xxx_interface_reg_write(codec->control_data,
- TAIKO_SLIM_PGD_PORT_INT_EN0 + i,
- 0xFF);
-
- ret = wcd9xxx_request_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
- taiko_hphl_ocp_irq,
- "HPH_L OCP detect", taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
- goto err_hphl_ocp_irq;
- }
- wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
-
- ret = wcd9xxx_request_irq(codec->control_data,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
- taiko_hphr_ocp_irq,
- "HPH_R OCP detect", taiko);
- if (ret) {
- pr_err("%s: Failed to request irq %d\n", __func__,
- WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
- goto err_hphr_ocp_irq;
- }
- wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
-
- return 0;
-
-err_hphr_ocp_irq:
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
- taiko);
-err_hphl_ocp_irq:
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, taiko);
-err_slimbus_irq:
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, taiko);
-err_release_irq:
- wcd9xxx_free_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_POTENTIAL, taiko);
-err_potential_irq:
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, taiko);
-err_remove_irq:
- wcd9xxx_free_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION, taiko);
-err_insert_irq:
-
+ TAIKO_SLIM_PGD_PORT_INT_EN0 + i,
+ 0xFF);
+exit:
return ret;
}
+int taiko_hs_detect(struct snd_soc_codec *codec,
+ struct wcd9xxx_mbhc_config *mbhc_cfg)
+{
+ struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
+ return wcd9xxx_mbhc_start(&taiko->mbhc, mbhc_cfg);
+}
+EXPORT_SYMBOL_GPL(taiko_hs_detect);
+
+static struct wcd9xxx_reg_address taiko_reg_address = {
+ .micb_4_mbhc = TAIKO_A_MICB_4_MBHC,
+ .micb_4_int_rbias = TAIKO_A_MICB_4_INT_RBIAS,
+ .micb_4_ctl = TAIKO_A_MICB_4_CTL,
+};
+
static int taiko_codec_probe(struct snd_soc_codec *codec)
{
struct wcd9xxx *control;
struct taiko_priv *taiko;
+ struct wcd9xxx_pdata *pdata;
+ struct wcd9xxx *wcd9xxx;
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret = 0;
int i;
@@ -7918,41 +4622,34 @@
tx_hpf_corner_freq_callback);
}
- /* Make sure mbhc micbias register addresses are zeroed out */
- memset(&taiko->mbhc_bias_regs, 0,
- sizeof(struct mbhc_micbias_regs));
- taiko->mbhc_micbias_switched = false;
-
- /* Make sure mbhc intenal calibration data is zeroed out */
- memset(&taiko->mbhc_data, 0,
- sizeof(struct mbhc_internal_cal_data));
- taiko->mbhc_data.t_sta_dce = DEFAULT_DCE_STA_WAIT;
- taiko->mbhc_data.t_dce = DEFAULT_DCE_WAIT;
- taiko->mbhc_data.t_sta = DEFAULT_STA_WAIT;
snd_soc_codec_set_drvdata(codec, taiko);
- taiko->mclk_enabled = false;
- taiko->bandgap_type = TAIKO_BANDGAP_OFF;
- taiko->clock_active = false;
- taiko->config_mode_active = false;
- taiko->mbhc_polling_active = false;
- taiko->mbhc_fake_ins_start = 0;
- taiko->no_mic_headset_override = false;
- taiko->hs_polling_irq_prepared = false;
- mutex_init(&taiko->codec_resource_lock);
+ /* codec resmgr module init */
+ wcd9xxx = codec->control_data;
+ pdata = dev_get_platdata(codec->dev->parent);
+ ret = wcd9xxx_resmgr_init(&taiko->resmgr, codec, wcd9xxx, pdata,
+ &taiko_reg_address);
+ if (ret) {
+ pr_err("%s: wcd9xxx init failed %d\n", __func__, ret);
+ return ret;
+ }
+
+ /* init and start mbhc */
+ ret = wcd9xxx_mbhc_init(&taiko->mbhc, &taiko->resmgr, codec);
+ if (ret) {
+ pr_err("%s: mbhc init failed %d\n", __func__, ret);
+ return ret;
+ }
+
taiko->codec = codec;
- taiko->mbhc_state = MBHC_STATE_NONE;
- taiko->mbhc_last_resume = 0;
for (i = 0; i < COMPANDER_MAX; i++) {
taiko->comp_enabled[i] = 0;
taiko->comp_fs[i] = COMPANDER_FS_48KHZ;
}
- taiko->pdata = dev_get_platdata(codec->dev->parent);
taiko->intf_type = wcd9xxx_get_intf_type();
taiko->aux_pga_cnt = 0;
taiko->aux_l_gain = 0x1F;
taiko->aux_r_gain = 0x1F;
- taiko_update_reg_address(taiko);
taiko_update_reg_defaults(codec);
taiko_codec_init_reg(codec);
ret = taiko_handle_pdata(taiko);
@@ -7994,48 +4691,24 @@
(void) taiko_setup_irqs(taiko);
-
-#ifdef CONFIG_DEBUG_FS
- if (ret == 0) {
- taiko->debugfs_poke =
- debugfs_create_file("TRRS", S_IFREG | S_IRUGO, NULL, taiko,
- &codec_debug_ops);
- taiko->debugfs_mbhc =
- debugfs_create_file("taiko_mbhc", S_IFREG | S_IRUGO,
- NULL, taiko, &codec_mbhc_debug_ops);
- }
-#endif
codec->ignore_pmdown_time = 1;
return ret;
err_pdata:
kfree(ptr);
err_nomem_slimch:
- mutex_destroy(&taiko->codec_resource_lock);
kfree(taiko);
return ret;
}
static int taiko_codec_remove(struct snd_soc_codec *codec)
{
struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, taiko);
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, taiko);
- wcd9xxx_free_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_POTENTIAL, taiko);
- wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, taiko);
- wcd9xxx_free_irq(codec->control_data,
- WCD9XXX_IRQ_MBHC_INSERTION, taiko);
- TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
- taiko_codec_disable_clock_block(codec);
- TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);
- taiko_codec_enable_bandgap(codec, TAIKO_BANDGAP_OFF);
- if (taiko->mbhc_fw)
- release_firmware(taiko->mbhc_fw);
- mutex_destroy(&taiko->codec_resource_lock);
-#ifdef CONFIG_DEBUG_FS
- debugfs_remove(taiko->debugfs_poke);
- debugfs_remove(taiko->debugfs_mbhc);
-#endif
+
+ /* cleanup MBHC */
+ wcd9xxx_mbhc_deinit(&taiko->mbhc);
+ /* cleanup resmgr */
+ wcd9xxx_resmgr_deinit(&taiko->resmgr);
+
kfree(taiko);
return 0;
}
@@ -8073,7 +4746,8 @@
struct platform_device *pdev = to_platform_device(dev);
struct taiko_priv *taiko = platform_get_drvdata(pdev);
dev_dbg(dev, "%s: system resume\n", __func__);
- taiko->mbhc_last_resume = jiffies;
+ /* Notify */
+ wcd9xxx_resmgr_notifier_call(&taiko->resmgr, WCD9XXX_EVENT_POST_RESUME);
return 0;
}
diff --git a/sound/soc/codecs/wcd9320.h b/sound/soc/codecs/wcd9320.h
index 6f4b0cf..7bc5a57 100644
--- a/sound/soc/codecs/wcd9320.h
+++ b/sound/soc/codecs/wcd9320.h
@@ -15,6 +15,8 @@
#include <sound/soc.h>
#include <sound/jack.h>
#include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h>
+#include "wcd9xxx-mbhc.h"
+#include "wcd9xxx-resmgr.h"
#define TAIKO_NUM_REGISTERS 0x400
#define TAIKO_MAX_REGISTER (TAIKO_NUM_REGISTERS-1)
@@ -22,27 +24,13 @@
#define TAIKO_REG_VAL(reg, val) {reg, 0, val}
-#define DEFAULT_DCE_STA_WAIT 55
-#define DEFAULT_DCE_WAIT 60000
-#define DEFAULT_STA_WAIT 5000
-#define VDDIO_MICBIAS_MV 1800
-
-#define STA 0
-#define DCE 1
-
-#define TAIKO_JACK_BUTTON_MASK (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
- SND_JACK_BTN_2 | SND_JACK_BTN_3 | \
- SND_JACK_BTN_4 | SND_JACK_BTN_5 | \
- SND_JACK_BTN_6 | SND_JACK_BTN_7)
-
extern const u8 taiko_reg_readable[TAIKO_CACHE_SIZE];
extern const u8 taiko_reset_reg_defaults[TAIKO_CACHE_SIZE];
-
-enum taiko_micbias_num {
- TAIKO_MICBIAS1 = 0,
- TAIKO_MICBIAS2,
- TAIKO_MICBIAS3,
- TAIKO_MICBIAS4,
+struct taiko_codec_dai_data {
+ u32 rate;
+ u32 *ch_num;
+ u32 ch_act;
+ u32 ch_tot;
};
enum taiko_pid_current {
@@ -58,26 +46,12 @@
u8 val;
};
-enum taiko_mbhc_clk_freq {
- TAIKO_MCLK_12P2MHZ = 0,
- TAIKO_MCLK_9P6MHZ,
- TAIKO_NUM_CLK_FREQS,
-};
-
enum taiko_mbhc_analog_pwr_cfg {
TAIKO_ANALOG_PWR_COLLAPSED = 0,
TAIKO_ANALOG_PWR_ON,
TAIKO_NUM_ANALOG_PWR_CONFIGS,
};
-enum taiko_mbhc_btn_det_mem {
- TAIKO_BTN_DET_V_BTN_LOW,
- TAIKO_BTN_DET_V_BTN_HIGH,
- TAIKO_BTN_DET_N_READY,
- TAIKO_BTN_DET_N_CIC,
- TAIKO_BTN_DET_GAIN
-};
-
/* Number of input and output Slimbus port */
enum {
TAIKO_RX1 = 0,
@@ -116,110 +90,6 @@
TAIKO_TX_MAX,
};
-struct taiko_mbhc_general_cfg {
- u8 t_ldoh;
- u8 t_bg_fast_settle;
- u8 t_shutdown_plug_rem;
- u8 mbhc_nsa;
- u8 mbhc_navg;
- u8 v_micbias_l;
- u8 v_micbias;
- u8 mbhc_reserved;
- u16 settle_wait;
- u16 t_micbias_rampup;
- u16 t_micbias_rampdown;
- u16 t_supply_bringup;
-} __packed;
-
-struct taiko_mbhc_plug_detect_cfg {
- u32 mic_current;
- u32 hph_current;
- u16 t_mic_pid;
- u16 t_ins_complete;
- u16 t_ins_retry;
- u16 v_removal_delta;
- u8 micbias_slow_ramp;
- u8 reserved0;
- u8 reserved1;
- u8 reserved2;
-} __packed;
-
-struct taiko_mbhc_plug_type_cfg {
- u8 av_detect;
- u8 mono_detect;
- u8 num_ins_tries;
- u8 reserved0;
- s16 v_no_mic;
- s16 v_av_min;
- s16 v_av_max;
- s16 v_hs_min;
- s16 v_hs_max;
- u16 reserved1;
-} __packed;
-
-
-struct taiko_mbhc_btn_detect_cfg {
- s8 c[8];
- u8 nc;
- u8 n_meas;
- u8 mbhc_nsc;
- u8 n_btn_meas;
- u8 n_btn_con;
- u8 num_btn;
- u8 reserved0;
- u8 reserved1;
- u16 t_poll;
- u16 t_bounce_wait;
- u16 t_rel_timeout;
- s16 v_btn_press_delta_sta;
- s16 v_btn_press_delta_cic;
- u16 t_btn0_timeout;
- s16 _v_btn_low[0]; /* v_btn_low[num_btn] */
- s16 _v_btn_high[0]; /* v_btn_high[num_btn] */
- u8 _n_ready[TAIKO_NUM_CLK_FREQS];
- u8 _n_cic[TAIKO_NUM_CLK_FREQS];
- u8 _gain[TAIKO_NUM_CLK_FREQS];
-} __packed;
-
-struct taiko_mbhc_imped_detect_cfg {
- u8 _hs_imped_detect;
- u8 _n_rload;
- u8 _hph_keep_on;
- u8 _repeat_rload_calc;
- u16 _t_dac_ramp_time;
- u16 _rhph_high;
- u16 _rhph_low;
- u16 _rload[0]; /* rload[n_rload] */
- u16 _alpha[0]; /* alpha[n_rload] */
- u16 _beta[3];
-} __packed;
-
-struct taiko_mbhc_config {
- struct snd_soc_jack *headset_jack;
- struct snd_soc_jack *button_jack;
- bool read_fw_bin;
- /* void* calibration contains:
- * struct taiko_mbhc_general_cfg generic;
- * struct taiko_mbhc_plug_detect_cfg plug_det;
- * struct taiko_mbhc_plug_type_cfg plug_type;
- * struct taiko_mbhc_btn_detect_cfg btn_det;
- * struct taiko_mbhc_imped_detect_cfg imped_det;
- * Note: various size depends on btn_det->num_btn
- */
- void *calibration;
- enum taiko_micbias_num micbias;
- int (*mclk_cb_fn) (struct snd_soc_codec*, int, bool);
- unsigned int mclk_rate;
- unsigned int gpio;
- unsigned int gpio_irq;
- int gpio_level_insert;
- /* swap_gnd_mic returns true if extern GND/MIC swap switch toggled */
- bool (*swap_gnd_mic) (struct snd_soc_codec *);
-};
-
-extern int taiko_hs_detect(struct snd_soc_codec *codec,
- const struct taiko_mbhc_config *cfg);
-
struct anc_header {
u32 reserved[3];
u32 num_anc_slots;
@@ -227,64 +97,7 @@
extern int taiko_mclk_enable(struct snd_soc_codec *codec, int mclk_enable,
bool dapm);
-
-extern void *taiko_mbhc_cal_btn_det_mp(const struct taiko_mbhc_btn_detect_cfg
- *btn_det,
- const enum taiko_mbhc_btn_det_mem mem);
-
-#define TAIKO_MBHC_CAL_SIZE(buttons, rload) ( \
- sizeof(enum taiko_micbias_num) + \
- sizeof(struct taiko_mbhc_general_cfg) + \
- sizeof(struct taiko_mbhc_plug_detect_cfg) + \
- ((sizeof(s16) + sizeof(s16)) * buttons) + \
- sizeof(struct taiko_mbhc_plug_type_cfg) + \
- sizeof(struct taiko_mbhc_btn_detect_cfg) + \
- sizeof(struct taiko_mbhc_imped_detect_cfg) + \
- ((sizeof(u16) + sizeof(u16)) * rload) \
- )
-
-#define TAIKO_MBHC_CAL_GENERAL_PTR(cali) ( \
- (struct taiko_mbhc_general_cfg *) cali)
-#define TAIKO_MBHC_CAL_PLUG_DET_PTR(cali) ( \
- (struct taiko_mbhc_plug_detect_cfg *) \
- &(TAIKO_MBHC_CAL_GENERAL_PTR(cali)[1]))
-#define TAIKO_MBHC_CAL_PLUG_TYPE_PTR(cali) ( \
- (struct taiko_mbhc_plug_type_cfg *) \
- &(TAIKO_MBHC_CAL_PLUG_DET_PTR(cali)[1]))
-#define TAIKO_MBHC_CAL_BTN_DET_PTR(cali) ( \
- (struct taiko_mbhc_btn_detect_cfg *) \
- &(TAIKO_MBHC_CAL_PLUG_TYPE_PTR(cali)[1]))
-#define TAIKO_MBHC_CAL_IMPED_DET_PTR(cali) ( \
- (struct taiko_mbhc_imped_detect_cfg *) \
- (((void *)&TAIKO_MBHC_CAL_BTN_DET_PTR(cali)[1]) + \
- (TAIKO_MBHC_CAL_BTN_DET_PTR(cali)->num_btn * \
- (sizeof(TAIKO_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_low[0]) + \
- sizeof(TAIKO_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_high[0])))) \
- )
-
-/* minimum size of calibration data assuming there is only one button and
- * one rload.
- */
-#define TAIKO_MBHC_CAL_MIN_SIZE ( \
- sizeof(struct taiko_mbhc_general_cfg) + \
- sizeof(struct taiko_mbhc_plug_detect_cfg) + \
- sizeof(struct taiko_mbhc_plug_type_cfg) + \
- sizeof(struct taiko_mbhc_btn_detect_cfg) + \
- sizeof(struct taiko_mbhc_imped_detect_cfg) + \
- (sizeof(u16) * 2))
-
-#define TAIKO_MBHC_CAL_BTN_SZ(cfg_ptr) ( \
- sizeof(struct taiko_mbhc_btn_detect_cfg) + \
- (cfg_ptr->num_btn * (sizeof(cfg_ptr->_v_btn_low[0]) + \
- sizeof(cfg_ptr->_v_btn_high[0]))))
-
-#define TAIKO_MBHC_CAL_IMPED_MIN_SZ ( \
- sizeof(struct taiko_mbhc_imped_detect_cfg) + \
- sizeof(u16) * 2)
-
-#define TAIKO_MBHC_CAL_IMPED_SZ(cfg_ptr) ( \
- sizeof(struct taiko_mbhc_imped_detect_cfg) + \
- (cfg_ptr->_n_rload * (sizeof(cfg_ptr->_rload[0]) + \
- sizeof(cfg_ptr->_alpha[0]))))
+extern int taiko_hs_detect(struct snd_soc_codec *codec,
+ struct wcd9xxx_mbhc_config *mbhc_cfg);
#endif
diff --git a/sound/soc/codecs/wcd9xxx-mbhc.c b/sound/soc/codecs/wcd9xxx-mbhc.c
new file mode 100644
index 0000000..16d415b
--- /dev/null
+++ b/sound/soc/codecs/wcd9xxx-mbhc.c
@@ -0,0 +1,3113 @@
+/* Copyright (c) 2012, 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/module.h>
+#include <linux/init.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/printk.h>
+#include <linux/ratelimit.h>
+#include <linux/debugfs.h>
+#include <linux/mfd/wcd9xxx/core.h>
+#include <linux/mfd/wcd9xxx/wcd9xxx_registers.h>
+#include <linux/mfd/wcd9xxx/wcd9320_registers.h>
+#include <linux/mfd/wcd9xxx/pdata.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include "wcd9320.h"
+#include "wcd9xxx-mbhc.h"
+#include "wcd9xxx-resmgr.h"
+
+#define WCD9XXX_JACK_MASK (SND_JACK_HEADSET | SND_JACK_OC_HPHL | \
+ SND_JACK_OC_HPHR | SND_JACK_UNSUPPORTED)
+#define WCD9XXX_JACK_BUTTON_MASK (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 | \
+ SND_JACK_BTN_4 | SND_JACK_BTN_5 | \
+ SND_JACK_BTN_6 | SND_JACK_BTN_7)
+
+#define NUM_DCE_PLUG_DETECT 3
+#define NUM_ATTEMPTS_INSERT_DETECT 25
+#define NUM_ATTEMPTS_TO_REPORT 5
+
+#define FAKE_INS_LOW 10
+#define FAKE_INS_HIGH 80
+#define FAKE_INS_HIGH_NO_SWCH 150
+#define FAKE_REMOVAL_MIN_PERIOD_MS 50
+#define FAKE_INS_DELTA_SCALED_MV 300
+
+#define BUTTON_MIN 0x8000
+#define STATUS_REL_DETECTION 0x0C
+
+#define HS_DETECT_PLUG_TIME_MS (5 * 1000)
+#define HS_DETECT_PLUG_INERVAL_MS 100
+#define SWCH_REL_DEBOUNCE_TIME_MS 50
+#define SWCH_IRQ_DEBOUNCE_TIME_US 5000
+
+#define GND_MIC_SWAP_THRESHOLD 2
+#define OCP_ATTEMPT 1
+
+#define FW_READ_ATTEMPTS 15
+#define FW_READ_TIMEOUT 2000000
+
+#define BUTTON_POLLING_SUPPORTED false
+
+#define MCLK_RATE_12288KHZ 12288000
+#define MCLK_RATE_9600KHZ 9600000
+#define WCD9XXX_RCO_CLK_RATE MCLK_RATE_12288KHZ
+
+#define DEFAULT_DCE_STA_WAIT 55
+#define DEFAULT_DCE_WAIT 60000
+#define DEFAULT_STA_WAIT 5000
+
+#define VDDIO_MICBIAS_MV 1800
+
+enum meas_type {
+ STA = 0,
+ DCE,
+};
+
+enum {
+ MBHC_USE_HPHL_TRIGGER = 1,
+ MBHC_USE_MB_TRIGGER = 2
+};
+
+/*
+ * Flags to track of PA and DAC state.
+ * PA and DAC should be tracked separately as AUXPGA loopback requires
+ * only PA to be turned on without DAC being on.
+ */
+enum pa_dac_ack_flags {
+ WCD9XXX_HPHL_PA_OFF_ACK = 0,
+ WCD9XXX_HPHR_PA_OFF_ACK,
+ WCD9XXX_HPHL_DAC_OFF_ACK,
+ WCD9XXX_HPHR_DAC_OFF_ACK
+};
+
+static bool wcd9xxx_mbhc_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ return mbhc->polling_active;
+}
+
+static void wcd9xxx_turn_onoff_override(struct snd_soc_codec *codec, bool on)
+{
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x04, on << 2);
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_pause_hs_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+ if (!mbhc->polling_active) {
+ pr_debug("polling not active, nothing to pause\n");
+ return;
+ }
+
+ /* Soft reset MBHC block */
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
+ pr_debug("%s: leave\n", __func__);
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_start_hs_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ int mbhc_state = mbhc->mbhc_state;
+
+ pr_debug("%s: enter\n", __func__);
+ if (!mbhc->polling_active) {
+ pr_debug("Polling is not active, do not start polling\n");
+ return;
+ }
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x84);
+
+ if (!mbhc->no_mic_headset_override &&
+ mbhc_state == MBHC_STATE_POTENTIAL) {
+ pr_debug("%s recovering MBHC state macine\n", __func__);
+ mbhc->mbhc_state = MBHC_STATE_POTENTIAL_RECOVERY;
+ /* set to max button press threshold */
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL, 0x7F);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL, 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B4_CTL, 0x7F);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B3_CTL, 0xFF);
+ /* set to max */
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B6_CTL, 0x7F);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B5_CTL, 0xFF);
+ }
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x1);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x1);
+ pr_debug("%s: leave\n", __func__);
+}
+
+/* called under codec_resource_lock acquisition */
+static void __wcd9xxx_switch_micbias(struct wcd9xxx_mbhc *mbhc,
+ int vddio_switch, bool restartpolling,
+ bool checkpolling)
+{
+ int cfilt_k_val;
+ bool override;
+ struct snd_soc_codec *codec;
+
+ codec = mbhc->codec;
+
+ if (vddio_switch && !mbhc->mbhc_micbias_switched &&
+ (!checkpolling || mbhc->polling_active)) {
+ if (restartpolling)
+ wcd9xxx_pause_hs_polling(mbhc);
+ override = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_CTL) &
+ 0x04;
+ if (!override)
+ wcd9xxx_turn_onoff_override(codec, true);
+ /* Adjust threshold if Mic Bias voltage changes */
+ if (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
+ cfilt_k_val = wcd9xxx_resmgr_get_k_val(mbhc->resmgr,
+ VDDIO_MICBIAS_MV);
+ usleep_range(10000, 10000);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.cfilt_val,
+ 0xFC, (cfilt_k_val << 2));
+ usleep_range(10000, 10000);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL,
+ mbhc->mbhc_data.adj_v_ins_hu & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL,
+ (mbhc->mbhc_data.adj_v_ins_hu >> 8) &
+ 0xFF);
+ pr_debug("%s: Programmed MBHC thresholds to VDDIO\n",
+ __func__);
+ }
+
+ /* Enable MIC BIAS Switch to VDDIO */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x80, 0x80);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x10, 0x00);
+ if (!override)
+ wcd9xxx_turn_onoff_override(codec, false);
+ if (restartpolling)
+ wcd9xxx_start_hs_polling(mbhc);
+
+ mbhc->mbhc_micbias_switched = true;
+ pr_debug("%s: VDDIO switch enabled\n", __func__);
+ } else if (!vddio_switch && mbhc->mbhc_micbias_switched) {
+ if ((!checkpolling || mbhc->polling_active) &&
+ restartpolling)
+ wcd9xxx_pause_hs_polling(mbhc);
+ /* Reprogram thresholds */
+ if (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
+ cfilt_k_val =
+ wcd9xxx_resmgr_get_k_val(mbhc->resmgr,
+ mbhc->mbhc_data.micb_mv);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.cfilt_val,
+ 0xFC, (cfilt_k_val << 2));
+ usleep_range(10000, 10000);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL,
+ mbhc->mbhc_data.v_ins_hu & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL,
+ (mbhc->mbhc_data.v_ins_hu >> 8) & 0xFF);
+ pr_debug("%s: Programmed MBHC thresholds to MICBIAS\n",
+ __func__);
+ }
+
+ /* Disable MIC BIAS Switch to VDDIO */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x80,
+ 0x00);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x10,
+ 0x00);
+
+ if ((!checkpolling || mbhc->polling_active) && restartpolling)
+ wcd9xxx_start_hs_polling(mbhc);
+
+ mbhc->mbhc_micbias_switched = false;
+ pr_debug("%s: VDDIO switch disabled\n", __func__);
+ }
+}
+
+static void wcd9xxx_switch_micbias(struct wcd9xxx_mbhc *mbhc, int vddio_switch)
+{
+ return __wcd9xxx_switch_micbias(mbhc, vddio_switch, true, true);
+}
+
+static s16 wcd9xxx_get_current_v_ins(struct wcd9xxx_mbhc *mbhc, bool hu)
+{
+ s16 v_ins;
+ if ((mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) &&
+ mbhc->mbhc_micbias_switched)
+ v_ins = hu ? (s16)mbhc->mbhc_data.adj_v_ins_hu :
+ (s16)mbhc->mbhc_data.adj_v_ins_h;
+ else
+ v_ins = hu ? (s16)mbhc->mbhc_data.v_ins_hu :
+ (s16)mbhc->mbhc_data.v_ins_h;
+ return v_ins;
+}
+
+void *wcd9xxx_mbhc_cal_btn_det_mp(
+ const struct wcd9xxx_mbhc_btn_detect_cfg *btn_det,
+ const enum wcd9xxx_mbhc_btn_det_mem mem)
+{
+ void *ret = &btn_det->_v_btn_low;
+
+ switch (mem) {
+ case MBHC_BTN_DET_GAIN:
+ ret += sizeof(btn_det->_n_cic);
+ case MBHC_BTN_DET_N_CIC:
+ ret += sizeof(btn_det->_n_ready);
+ case MBHC_BTN_DET_N_READY:
+ ret += sizeof(btn_det->_v_btn_high[0]) * btn_det->num_btn;
+ case MBHC_BTN_DET_V_BTN_HIGH:
+ ret += sizeof(btn_det->_v_btn_low[0]) * btn_det->num_btn;
+ case MBHC_BTN_DET_V_BTN_LOW:
+ /* do nothing */
+ break;
+ default:
+ ret = NULL;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wcd9xxx_mbhc_cal_btn_det_mp);
+
+static void wcd9xxx_calibrate_hs_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ const s16 v_ins_hu = wcd9xxx_get_current_v_ins(mbhc, true);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B1_CTL, v_ins_hu & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B2_CTL,
+ (v_ins_hu >> 8) & 0xFF);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B3_CTL,
+ mbhc->mbhc_data.v_b1_hu & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B4_CTL,
+ (mbhc->mbhc_data.v_b1_hu >> 8) & 0xFF);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B5_CTL,
+ mbhc->mbhc_data.v_b1_h & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B6_CTL,
+ (mbhc->mbhc_data.v_b1_h >> 8) & 0xFF);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B9_CTL,
+ mbhc->mbhc_data.v_brh & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B10_CTL,
+ (mbhc->mbhc_data.v_brh >> 8) & 0xFF);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B11_CTL,
+ mbhc->mbhc_data.v_brl & 0xFF);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_VOLT_B12_CTL,
+ (mbhc->mbhc_data.v_brl >> 8) & 0xFF);
+}
+
+static void wcd9xxx_codec_switch_cfilt_mode(struct wcd9xxx_mbhc *mbhc,
+ bool fast)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ u8 reg_mode_val, cur_mode_val;
+
+ if (fast)
+ reg_mode_val = WCD9XXX_CFILT_FAST_MODE;
+ else
+ reg_mode_val = WCD9XXX_CFILT_SLOW_MODE;
+
+ cur_mode_val =
+ snd_soc_read(codec, mbhc->mbhc_bias_regs.cfilt_ctl) & 0x40;
+
+ if (cur_mode_val != reg_mode_val) {
+ if (mbhc->polling_active)
+ wcd9xxx_pause_hs_polling(mbhc);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl, 0x40,
+ reg_mode_val);
+ if (mbhc->polling_active)
+ wcd9xxx_start_hs_polling(mbhc);
+ pr_debug("%s: CFILT mode change (%x to %x)\n", __func__,
+ cur_mode_val, reg_mode_val);
+ } else {
+ pr_debug("%s: CFILT Value is already %x\n",
+ __func__, cur_mode_val);
+ }
+}
+
+static void wcd9xxx_jack_report(struct snd_soc_jack *jack, int status, int mask)
+{
+ snd_soc_jack_report_no_dapm(jack, status, mask);
+}
+
+static void __hphocp_off_report(struct wcd9xxx_mbhc *mbhc, u32 jack_status,
+ int irq)
+{
+ struct snd_soc_codec *codec;
+
+ pr_debug("%s: clear ocp status %x\n", __func__, jack_status);
+ codec = mbhc->codec;
+ if (mbhc->hph_status & jack_status) {
+ mbhc->hph_status &= ~jack_status;
+ wcd9xxx_jack_report(&mbhc->headset_jack,
+ mbhc->hph_status, WCD9XXX_JACK_MASK);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL, 0x10,
+ 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL, 0x10,
+ 0x10);
+ /*
+ * reset retry counter as PA is turned off signifying
+ * start of new OCP detection session
+ */
+ if (WCD9XXX_IRQ_HPH_PA_OCPL_FAULT)
+ mbhc->hphlocp_cnt = 0;
+ else
+ mbhc->hphrocp_cnt = 0;
+ wcd9xxx_enable_irq(codec->control_data, irq);
+ }
+}
+
+static void hphrocp_off_report(struct wcd9xxx_mbhc *mbhc, u32 jack_status)
+{
+ __hphocp_off_report(mbhc, SND_JACK_OC_HPHR,
+ WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+}
+
+static void hphlocp_off_report(struct wcd9xxx_mbhc *mbhc, u32 jack_status)
+{
+ __hphocp_off_report(mbhc, SND_JACK_OC_HPHL,
+ WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
+}
+
+static void wcd9xxx_get_mbhc_micbias_regs(struct wcd9xxx_mbhc *mbhc,
+ struct mbhc_micbias_regs *micbias_regs)
+{
+ unsigned int cfilt;
+ struct wcd9xxx_pdata *pdata = mbhc->resmgr->pdata;
+
+ switch (mbhc->mbhc_cfg->micbias) {
+ case MBHC_MICBIAS1:
+ cfilt = pdata->micbias.bias1_cfilt_sel;
+ micbias_regs->mbhc_reg = WCD9XXX_A_MICB_1_MBHC;
+ micbias_regs->int_rbias = WCD9XXX_A_MICB_1_INT_RBIAS;
+ micbias_regs->ctl_reg = WCD9XXX_A_MICB_1_CTL;
+ break;
+ case MBHC_MICBIAS2:
+ cfilt = pdata->micbias.bias2_cfilt_sel;
+ micbias_regs->mbhc_reg = WCD9XXX_A_MICB_2_MBHC;
+ micbias_regs->int_rbias = WCD9XXX_A_MICB_2_INT_RBIAS;
+ micbias_regs->ctl_reg = WCD9XXX_A_MICB_2_CTL;
+ break;
+ case MBHC_MICBIAS3:
+ cfilt = pdata->micbias.bias3_cfilt_sel;
+ micbias_regs->mbhc_reg = WCD9XXX_A_MICB_3_MBHC;
+ micbias_regs->int_rbias = WCD9XXX_A_MICB_3_INT_RBIAS;
+ micbias_regs->ctl_reg = WCD9XXX_A_MICB_3_CTL;
+ break;
+ case MBHC_MICBIAS4:
+ cfilt = pdata->micbias.bias4_cfilt_sel;
+ micbias_regs->mbhc_reg = mbhc->resmgr->reg_addr->micb_4_mbhc;
+ micbias_regs->int_rbias =
+ mbhc->resmgr->reg_addr->micb_4_int_rbias;
+ micbias_regs->ctl_reg = mbhc->resmgr->reg_addr->micb_4_ctl;
+ break;
+ default:
+ /* Should never reach here */
+ pr_err("%s: Invalid MIC BIAS for MBHC\n", __func__);
+ return;
+ }
+
+ micbias_regs->cfilt_sel = cfilt;
+
+ switch (cfilt) {
+ case WCD9XXX_CFILT1_SEL:
+ micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_1_VAL;
+ micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_1_CTL;
+ mbhc->mbhc_data.micb_mv =
+ mbhc->resmgr->pdata->micbias.cfilt1_mv;
+ break;
+ case WCD9XXX_CFILT2_SEL:
+ micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_2_VAL;
+ micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_2_CTL;
+ mbhc->mbhc_data.micb_mv =
+ mbhc->resmgr->pdata->micbias.cfilt2_mv;
+ break;
+ case WCD9XXX_CFILT3_SEL:
+ micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_3_VAL;
+ micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_3_CTL;
+ mbhc->mbhc_data.micb_mv =
+ mbhc->resmgr->pdata->micbias.cfilt3_mv;
+ break;
+ }
+}
+
+static void wcd9xxx_clr_and_turnon_hph_padac(struct wcd9xxx_mbhc *mbhc)
+{
+ bool pa_turned_on = false;
+ struct snd_soc_codec *codec = mbhc->codec;
+ u8 wg_time;
+
+ wg_time = snd_soc_read(codec, WCD9XXX_A_RX_HPH_CNP_WG_TIME) ;
+ wg_time += 1;
+
+ if (test_and_clear_bit(WCD9XXX_HPHR_DAC_OFF_ACK,
+ &mbhc->hph_pa_dac_state)) {
+ pr_debug("%s: HPHR clear flag and enable DAC\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_R_DAC_CTL,
+ 0xC0, 0xC0);
+ }
+ if (test_and_clear_bit(WCD9XXX_HPHL_DAC_OFF_ACK,
+ &mbhc->hph_pa_dac_state)) {
+ pr_debug("%s: HPHL clear flag and enable DAC\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_L_DAC_CTL,
+ 0xC0, 0xC0);
+ }
+
+ if (test_and_clear_bit(WCD9XXX_HPHR_PA_OFF_ACK,
+ &mbhc->hph_pa_dac_state)) {
+ pr_debug("%s: HPHR clear flag and enable PA\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_CNP_EN, 0x10,
+ 1 << 4);
+ pa_turned_on = true;
+ }
+ if (test_and_clear_bit(WCD9XXX_HPHL_PA_OFF_ACK,
+ &mbhc->hph_pa_dac_state)) {
+ pr_debug("%s: HPHL clear flag and enable PA\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_CNP_EN, 0x20, 1
+ << 5);
+ pa_turned_on = true;
+ }
+
+ if (pa_turned_on) {
+ pr_debug("%s: PA was turned off by MBHC and not by DAPM\n",
+ __func__);
+ usleep_range(wg_time * 1000, wg_time * 1000);
+ }
+}
+
+static int wcd9xxx_cancel_btn_work(struct wcd9xxx_mbhc *mbhc)
+{
+ int r;
+ r = cancel_delayed_work_sync(&mbhc->mbhc_btn_dwork);
+ if (r)
+ /* if scheduled mbhc.mbhc_btn_dwork is canceled from here,
+ * we have to unlock from here instead btn_work */
+ wcd9xxx_unlock_sleep(mbhc->resmgr->core);
+ return r;
+}
+
+static bool wcd9xxx_is_hph_dac_on(struct snd_soc_codec *codec, int left)
+{
+ u8 hph_reg_val = 0;
+ if (left)
+ hph_reg_val = snd_soc_read(codec, WCD9XXX_A_RX_HPH_L_DAC_CTL);
+ else
+ hph_reg_val = snd_soc_read(codec, WCD9XXX_A_RX_HPH_R_DAC_CTL);
+
+ return (hph_reg_val & 0xC0) ? true : false;
+}
+
+static bool wcd9xxx_is_hph_pa_on(struct snd_soc_codec *codec)
+{
+ u8 hph_reg_val = 0;
+ hph_reg_val = snd_soc_read(codec, WCD9XXX_A_RX_HPH_CNP_EN);
+
+ return (hph_reg_val & 0x30) ? true : false;
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_set_and_turnoff_hph_padac(struct wcd9xxx_mbhc *mbhc)
+{
+ u8 wg_time;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ wg_time = snd_soc_read(codec, WCD9XXX_A_RX_HPH_CNP_WG_TIME);
+ wg_time += 1;
+
+ /* If headphone PA is on, check if userspace receives
+ * removal event to sync-up PA's state */
+ if (wcd9xxx_is_hph_pa_on(codec)) {
+ pr_debug("%s PA is on, setting PA_OFF_ACK\n", __func__);
+ set_bit(WCD9XXX_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state);
+ set_bit(WCD9XXX_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state);
+ } else {
+ pr_debug("%s PA is off\n", __func__);
+ }
+
+ if (wcd9xxx_is_hph_dac_on(codec, 1))
+ set_bit(WCD9XXX_HPHL_DAC_OFF_ACK, &mbhc->hph_pa_dac_state);
+ if (wcd9xxx_is_hph_dac_on(codec, 0))
+ set_bit(WCD9XXX_HPHR_DAC_OFF_ACK, &mbhc->hph_pa_dac_state);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_CNP_EN, 0x30, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_L_DAC_CTL, 0xC0, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_R_DAC_CTL, 0xC0, 0x00);
+ usleep_range(wg_time * 1000, wg_time * 1000);
+}
+
+static void wcd9xxx_insert_detect_setup(struct wcd9xxx_mbhc *mbhc, bool ins)
+{
+ if (!mbhc->mbhc_cfg->insert_detect)
+ return;
+ pr_debug("%s: Setting up %s detection\n", __func__,
+ ins ? "insert" : "removal");
+ /* Enable interrupt and insertion detection */
+ snd_soc_write(mbhc->codec, WCD9XXX_A_MBHC_INSERT_DETECT,
+ (0x69 | (ins ? (1 << 1) : 0)));
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_report_plug(struct wcd9xxx_mbhc *mbhc, int insertion,
+ enum snd_jack_types jack_type)
+{
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ if (!insertion) {
+ /* Report removal */
+ mbhc->hph_status &= ~jack_type;
+ /*
+ * cancel possibly scheduled btn work and
+ * report release if we reported button press
+ */
+ if (wcd9xxx_cancel_btn_work(mbhc))
+ pr_debug("%s: button press is canceled\n", __func__);
+ else if (mbhc->buttons_pressed) {
+ pr_debug("%s: release of button press%d\n",
+ __func__, jack_type);
+ wcd9xxx_jack_report(&mbhc->button_jack, 0,
+ mbhc->buttons_pressed);
+ mbhc->buttons_pressed &=
+ ~WCD9XXX_JACK_BUTTON_MASK;
+ }
+ pr_debug("%s: Reporting removal %d(%x)\n", __func__,
+ jack_type, mbhc->hph_status);
+ wcd9xxx_jack_report(&mbhc->headset_jack, mbhc->hph_status,
+ WCD9XXX_JACK_MASK);
+ wcd9xxx_set_and_turnoff_hph_padac(mbhc);
+ hphrocp_off_report(mbhc, SND_JACK_OC_HPHR);
+ hphlocp_off_report(mbhc, SND_JACK_OC_HPHL);
+ mbhc->current_plug = PLUG_TYPE_NONE;
+ mbhc->polling_active = false;
+ } else {
+ /* Report insertion */
+ mbhc->hph_status |= jack_type;
+
+ if (jack_type == SND_JACK_HEADPHONE) {
+ mbhc->current_plug = PLUG_TYPE_HEADPHONE;
+ } else if (jack_type == SND_JACK_UNSUPPORTED) {
+ mbhc->current_plug = PLUG_TYPE_GND_MIC_SWAP;
+ } else if (jack_type == SND_JACK_HEADSET) {
+ mbhc->polling_active = BUTTON_POLLING_SUPPORTED;
+ mbhc->current_plug = PLUG_TYPE_HEADSET;
+ }
+ pr_debug("%s: Reporting insertion %d(%x)\n", __func__,
+ jack_type, mbhc->hph_status);
+ wcd9xxx_jack_report(&mbhc->headset_jack,
+ mbhc->hph_status, WCD9XXX_JACK_MASK);
+ wcd9xxx_clr_and_turnon_hph_padac(mbhc);
+ }
+ /* Setup insert detect */
+ wcd9xxx_insert_detect_setup(mbhc, !insertion);
+}
+
+/* should be called under interrupt context that hold suspend */
+static void wcd9xxx_schedule_hs_detect_plug(struct wcd9xxx_mbhc *mbhc,
+ struct work_struct *work)
+{
+ pr_debug("%s: scheduling wcd9xxx_correct_swch_plug\n", __func__);
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+ mbhc->hs_detect_work_stop = false;
+ wcd9xxx_lock_sleep(mbhc->resmgr->core);
+ schedule_work(work);
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_cancel_hs_detect_plug(struct wcd9xxx_mbhc *mbhc,
+ struct work_struct *work)
+{
+ pr_debug("%s: Canceling correct_plug_swch\n", __func__);
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+ mbhc->hs_detect_work_stop = true;
+ wmb();
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ if (cancel_work_sync(work)) {
+ pr_debug("%s: correct_plug_swch is canceled\n",
+ __func__);
+ wcd9xxx_unlock_sleep(mbhc->resmgr->core);
+ }
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+}
+
+static s16 wcd9xxx_get_current_v_hs_max(struct wcd9xxx_mbhc *mbhc)
+{
+ s16 v_hs_max;
+ struct wcd9xxx_mbhc_plug_type_cfg *plug_type;
+
+ plug_type = WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration);
+ if ((mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) &&
+ mbhc->mbhc_micbias_switched)
+ v_hs_max = mbhc->mbhc_data.adj_v_hs_max;
+ else
+ v_hs_max = plug_type->v_hs_max;
+ return v_hs_max;
+}
+
+static bool wcd9xxx_is_inval_ins_range(struct wcd9xxx_mbhc *mbhc,
+ s32 mic_volt, bool highhph, bool *highv)
+{
+ s16 v_hs_max;
+ bool invalid = false;
+
+ /* Perform this check only when the high voltage headphone
+ * needs to be considered as invalid
+ */
+ v_hs_max = wcd9xxx_get_current_v_hs_max(mbhc);
+ *highv = mic_volt > v_hs_max;
+ if (!highhph && *highv)
+ invalid = true;
+ else if (mic_volt < mbhc->mbhc_data.v_inval_ins_high &&
+ (mic_volt > mbhc->mbhc_data.v_inval_ins_low))
+ invalid = true;
+
+ return invalid;
+}
+
+static short wcd9xxx_read_sta_result(struct snd_soc_codec *codec)
+{
+ u8 bias_msb, bias_lsb;
+ short bias_value;
+
+ bias_msb = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B3_STATUS);
+ bias_lsb = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B2_STATUS);
+ bias_value = (bias_msb << 8) | bias_lsb;
+ return bias_value;
+}
+
+static short wcd9xxx_read_dce_result(struct snd_soc_codec *codec)
+{
+ u8 bias_msb, bias_lsb;
+ short bias_value;
+
+ bias_msb = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B5_STATUS);
+ bias_lsb = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B4_STATUS);
+ bias_value = (bias_msb << 8) | bias_lsb;
+ return bias_value;
+}
+
+static void wcd9xxx_turn_onoff_rel_detection(struct snd_soc_codec *codec,
+ bool on)
+{
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x02, on << 1);
+}
+
+static short __wcd9xxx_codec_sta_dce(struct wcd9xxx_mbhc *mbhc, int dce,
+ bool override_bypass, bool noreldetection)
+{
+ short bias_value;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ wcd9xxx_disable_irq(mbhc->resmgr->core, WCD9XXX_IRQ_MBHC_POTENTIAL);
+ if (noreldetection)
+ wcd9xxx_turn_onoff_rel_detection(codec, false);
+
+ /* Turn on the override */
+ if (!override_bypass)
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x4, 0x4);
+ if (dce) {
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8,
+ 0x8);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x4);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8,
+ 0x0);
+ usleep_range(mbhc->mbhc_data.t_sta_dce,
+ mbhc->mbhc_data.t_sta_dce);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x4);
+ usleep_range(mbhc->mbhc_data.t_dce, mbhc->mbhc_data.t_dce);
+ bias_value = wcd9xxx_read_dce_result(codec);
+ } else {
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8,
+ 0x8);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x2);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8,
+ 0x0);
+ usleep_range(mbhc->mbhc_data.t_sta_dce,
+ mbhc->mbhc_data.t_sta_dce);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x2);
+ usleep_range(mbhc->mbhc_data.t_sta,
+ mbhc->mbhc_data.t_sta);
+ bias_value = wcd9xxx_read_sta_result(codec);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8,
+ 0x8);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x0);
+ }
+ /* Turn off the override after measuring mic voltage */
+ if (!override_bypass)
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x04,
+ 0x00);
+
+ if (noreldetection)
+ wcd9xxx_turn_onoff_rel_detection(codec, true);
+ wcd9xxx_enable_irq(mbhc->resmgr->core, WCD9XXX_IRQ_MBHC_POTENTIAL);
+
+ return bias_value;
+}
+
+static short wcd9xxx_codec_sta_dce(struct wcd9xxx_mbhc *mbhc, int dce,
+ bool norel)
+{
+ return __wcd9xxx_codec_sta_dce(mbhc, dce, false, norel);
+}
+
+static s32 wcd9xxx_codec_sta_dce_v(struct wcd9xxx_mbhc *mbhc, s8 dce,
+ u16 bias_value)
+{
+ s16 value, z, mb;
+ s32 mv;
+
+ value = bias_value;
+ if (dce) {
+ z = (mbhc->mbhc_data.dce_z);
+ mb = (mbhc->mbhc_data.dce_mb);
+ mv = (value - z) * (s32)mbhc->mbhc_data.micb_mv / (mb - z);
+ } else {
+ z = (mbhc->mbhc_data.sta_z);
+ mb = (mbhc->mbhc_data.sta_mb);
+ mv = (value - z) * (s32)mbhc->mbhc_data.micb_mv / (mb - z);
+ }
+
+ return mv;
+}
+
+/* called only from interrupt which is under codec_resource_lock acquisition */
+static short wcd9xxx_mbhc_setup_hs_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ short bias_value;
+ u8 cfilt_mode;
+
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ pr_debug("%s: enter\n", __func__);
+ if (!mbhc->mbhc_cfg->calibration) {
+ pr_err("%s: Error, no calibration exists\n", __func__);
+ return -ENODEV;
+ }
+
+ /*
+ * Request BG and clock.
+ * These will be released by wcd9xxx_cleanup_hs_polling
+ */
+ wcd9xxx_resmgr_get_bandgap(mbhc->resmgr, WCD9XXX_BANDGAP_MBHC_MODE);
+ wcd9xxx_resmgr_get_clk_block(mbhc->resmgr, WCD9XXX_CLK_RCO);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x05, 0x01);
+
+ /* Make sure CFILT is in fast mode, save current mode */
+ cfilt_mode = snd_soc_read(codec, mbhc->mbhc_bias_regs.cfilt_ctl);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl, 0x70, 0x00);
+
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x1F, 0x16);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x84);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_7_MBHC_EN, 0x80, 0x80);
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_7_MBHC_EN, 0x1F, 0x1C);
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_7_MBHC_TEST_CTL, 0x40, 0x40);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_7_MBHC_EN, 0x80, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8, 0x00);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x2, 0x2);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
+
+ wcd9xxx_calibrate_hs_polling(mbhc);
+
+ /* don't flip override */
+ bias_value = __wcd9xxx_codec_sta_dce(mbhc, 1, true, true);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl, 0x40,
+ cfilt_mode);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x13, 0x00);
+
+ return bias_value;
+}
+
+static void wcd9xxx_shutdown_hs_removal_detect(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ const struct wcd9xxx_mbhc_general_cfg *generic =
+ WCD9XXX_MBHC_CAL_GENERAL_PTR(mbhc->mbhc_cfg->calibration);
+
+ /* Need MBHC clock */
+ wcd9xxx_resmgr_get_clk_block(mbhc->resmgr, WCD9XXX_CLK_RCO);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x6, 0x0);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x80, 0x00);
+
+ usleep_range(generic->t_shutdown_plug_rem,
+ generic->t_shutdown_plug_rem);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0xA, 0x8);
+
+ /* Put requested CLK back */
+ wcd9xxx_resmgr_put_clk_block(mbhc->resmgr, WCD9XXX_CLK_RCO);
+
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x00);
+}
+
+static void wcd9xxx_cleanup_hs_polling(struct wcd9xxx_mbhc *mbhc)
+{
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ wcd9xxx_shutdown_hs_removal_detect(mbhc);
+
+ /* Release clock and BG requested by wcd9xxx_mbhc_setup_hs_polling */
+ wcd9xxx_resmgr_put_clk_block(mbhc->resmgr, WCD9XXX_CLK_RCO);
+ wcd9xxx_resmgr_put_bandgap(mbhc->resmgr, WCD9XXX_BANDGAP_MBHC_MODE);
+
+ mbhc->polling_active = false;
+ mbhc->mbhc_state = MBHC_STATE_NONE;
+}
+
+static s16 scale_v_micb_vddio(struct wcd9xxx_mbhc *mbhc, int v, bool tovddio)
+{
+ int r;
+ int vddio_k, mb_k;
+ vddio_k = wcd9xxx_resmgr_get_k_val(mbhc->resmgr, VDDIO_MICBIAS_MV);
+ mb_k = wcd9xxx_resmgr_get_k_val(mbhc->resmgr, mbhc->mbhc_data.micb_mv);
+ if (tovddio)
+ r = v * vddio_k / mb_k;
+ else
+ r = v * mb_k / vddio_k;
+ return r;
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_codec_hphr_gnd_switch(struct snd_soc_codec *codec, bool on)
+{
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x01, on);
+ if (on)
+ usleep_range(5000, 5000);
+}
+
+static bool wcd9xxx_is_inval_ins_delta(struct snd_soc_codec *codec,
+ int mic_volt, int mic_volt_prev,
+ int threshold)
+{
+ return abs(mic_volt - mic_volt_prev) > threshold;
+}
+
+/* called under codec_resource_lock acquisition and mbhc override = 1 */
+static enum wcd9xxx_mbhc_plug_type
+wcd9xxx_codec_get_plug_type(struct wcd9xxx_mbhc *mbhc, bool highhph)
+{
+ int i;
+ bool gndswitch, vddioswitch;
+ int scaled;
+ struct wcd9xxx_mbhc_plug_type_cfg *plug_type_ptr;
+ struct snd_soc_codec *codec = mbhc->codec;
+ const bool vddio = (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV);
+ int num_det = (NUM_DCE_PLUG_DETECT + vddio);
+ enum wcd9xxx_mbhc_plug_type plug_type[num_det];
+ s16 mb_v[num_det];
+ s32 mic_mv[num_det];
+ bool inval;
+ bool highdelta;
+ bool ahighv = false, highv;
+
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ /* make sure override is on */
+ WARN_ON(!(snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_CTL) & 0x04));
+
+ /* GND and MIC swap detection requires at least 2 rounds of DCE */
+ BUG_ON(num_det < 2);
+
+ plug_type_ptr =
+ WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration);
+
+ plug_type[0] = PLUG_TYPE_INVALID;
+
+ /* performs DCEs for N times
+ * 1st: check if voltage is in invalid range
+ * 2nd - N-2nd: check voltage range and delta
+ * N-1st: check voltage range, delta with HPHR GND switch
+ * Nth: check voltage range with VDDIO switch if micbias V != vddio V*/
+ for (i = 0; i < num_det; i++) {
+ gndswitch = (i == (num_det - 1 - vddio));
+ vddioswitch = (vddio && ((i == num_det - 1) ||
+ (i == num_det - 2)));
+ if (i == 0) {
+ mb_v[i] = wcd9xxx_mbhc_setup_hs_polling(mbhc);
+ mic_mv[i] = wcd9xxx_codec_sta_dce_v(mbhc, 1 , mb_v[i]);
+ inval = wcd9xxx_is_inval_ins_range(mbhc, mic_mv[i],
+ highhph, &highv);
+ ahighv |= highv;
+ scaled = mic_mv[i];
+ } else {
+ if (vddioswitch)
+ __wcd9xxx_switch_micbias(mbhc, 1,
+ false, false);
+ if (gndswitch)
+ wcd9xxx_codec_hphr_gnd_switch(codec, true);
+ mb_v[i] = __wcd9xxx_codec_sta_dce(mbhc, 1, true, true);
+ mic_mv[i] = wcd9xxx_codec_sta_dce_v(mbhc, 1 , mb_v[i]);
+ if (vddioswitch)
+ scaled = scale_v_micb_vddio(mbhc, mic_mv[i],
+ false);
+ else
+ scaled = mic_mv[i];
+ /* !gndswitch & vddioswitch means the previous DCE
+ * was done with gndswitch, don't compare with DCE
+ * with gndswitch */
+ highdelta = wcd9xxx_is_inval_ins_delta(codec, scaled,
+ mic_mv[i - !gndswitch - vddioswitch],
+ FAKE_INS_DELTA_SCALED_MV);
+ inval = (wcd9xxx_is_inval_ins_range(mbhc, mic_mv[i],
+ highhph, &highv) ||
+ highdelta);
+ ahighv |= highv;
+ if (gndswitch)
+ wcd9xxx_codec_hphr_gnd_switch(codec, false);
+ if (vddioswitch)
+ __wcd9xxx_switch_micbias(mbhc, 0,
+ false, false);
+ /* claim UNSUPPORTED plug insertion when
+ * good headset is detected but HPHR GND switch makes
+ * delta difference */
+ if (i == (num_det - 2) && highdelta && !ahighv)
+ plug_type[0] = PLUG_TYPE_GND_MIC_SWAP;
+ else if (i == (num_det - 1) && inval)
+ plug_type[0] = PLUG_TYPE_INVALID;
+ }
+ pr_debug("%s: DCE #%d, %04x, V %d, scaled V %d, GND %d, VDDIO %d, inval %d\n",
+ __func__, i + 1, mb_v[i] & 0xffff, mic_mv[i], scaled,
+ gndswitch, vddioswitch, inval);
+ /* don't need to run further DCEs */
+ if (ahighv && inval)
+ break;
+ mic_mv[i] = scaled;
+ }
+
+ for (i = 0; (plug_type[0] != PLUG_TYPE_GND_MIC_SWAP && !inval) &&
+ (i < num_det); i++) {
+ /*
+ * If we are here, means none of the all
+ * measurements are fake, continue plug type detection.
+ * If all three measurements do not produce same
+ * plug type, restart insertion detection
+ */
+ if (mic_mv[i] < plug_type_ptr->v_no_mic) {
+ plug_type[i] = PLUG_TYPE_HEADPHONE;
+ pr_debug("%s: Detect attempt %d, detected Headphone\n",
+ __func__, i);
+ } else if (highhph && (mic_mv[i] > plug_type_ptr->v_hs_max)) {
+ plug_type[i] = PLUG_TYPE_HIGH_HPH;
+ pr_debug("%s: Detect attempt %d, detected High Headphone\n",
+ __func__, i);
+ } else {
+ plug_type[i] = PLUG_TYPE_HEADSET;
+ pr_debug("%s: Detect attempt %d, detected Headset\n",
+ __func__, i);
+ }
+
+ if (i > 0 && (plug_type[i - 1] != plug_type[i])) {
+ pr_err("%s: Detect attempt %d and %d are not same",
+ __func__, i - 1, i);
+ plug_type[0] = PLUG_TYPE_INVALID;
+ inval = true;
+ break;
+ }
+ }
+
+ pr_debug("%s: Detected plug type %d\n", __func__, plug_type[0]);
+ return plug_type[0];
+}
+
+static bool wcd9xxx_swch_level_remove(struct wcd9xxx_mbhc *mbhc)
+{
+ if (mbhc->mbhc_cfg->gpio)
+ return (gpio_get_value_cansleep(mbhc->mbhc_cfg->gpio) !=
+ mbhc->mbhc_cfg->gpio_level_insert);
+ else if (mbhc->mbhc_cfg->insert_detect)
+ return snd_soc_read(mbhc->codec,
+ WCD9XXX_A_MBHC_INSERT_DET_STATUS) &
+ (1 << 2);
+ else
+ WARN(1, "Invalid jack detection configuration\n");
+
+ return true;
+}
+
+static bool is_clk_active(struct snd_soc_codec *codec)
+{
+ return !!(snd_soc_read(codec, WCD9XXX_A_CDC_CLK_MCLK_CTL) & 0x05);
+}
+
+static int wcd9xxx_enable_hs_detect(struct wcd9xxx_mbhc *mbhc,
+ int insertion, int trigger, bool padac_off)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ int central_bias_enabled = 0;
+ const struct wcd9xxx_mbhc_general_cfg *generic =
+ WCD9XXX_MBHC_CAL_GENERAL_PTR(mbhc->mbhc_cfg->calibration);
+ const struct wcd9xxx_mbhc_plug_detect_cfg *plug_det =
+ WCD9XXX_MBHC_CAL_PLUG_DET_PTR(mbhc->mbhc_cfg->calibration);
+
+ if (!mbhc->mbhc_cfg->calibration) {
+ pr_err("Error, no wcd9xxx calibration\n");
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_INT_CTL, 0x1, 0);
+
+ /*
+ * Make sure mic bias and Mic line schmitt trigger
+ * are turned OFF
+ */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01, 0x01);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
+
+ if (insertion) {
+ wcd9xxx_switch_micbias(mbhc, 0);
+
+ /* DAPM can manipulate PA/DAC bits concurrently */
+ if (padac_off == true)
+ wcd9xxx_set_and_turnoff_hph_padac(mbhc);
+
+ if (trigger & MBHC_USE_HPHL_TRIGGER) {
+ /* Enable HPH Schmitt Trigger */
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x11,
+ 0x11);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x0C,
+ plug_det->hph_current << 2);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x02,
+ 0x02);
+ }
+ if (trigger & MBHC_USE_MB_TRIGGER) {
+ /* enable the mic line schmitt trigger */
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x60, plug_det->mic_current << 5);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x80, 0x80);
+ usleep_range(plug_det->t_mic_pid, plug_det->t_mic_pid);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.ctl_reg, 0x01,
+ 0x00);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x10, 0x10);
+ }
+
+ /* setup for insetion detection */
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_INT_CTL, 0x2, 0);
+ } else {
+ pr_debug("setup for removal detection\n");
+ /* Make sure the HPH schmitt trigger is OFF */
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x12, 0x00);
+
+ /* enable the mic line schmitt trigger */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg,
+ 0x01, 0x00);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x60,
+ plug_det->mic_current << 5);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x80, 0x80);
+ usleep_range(plug_det->t_mic_pid, plug_det->t_mic_pid);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x10, 0x10);
+
+ /* Setup for low power removal detection */
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_INT_CTL, 0x2,
+ 0x2);
+ }
+
+ if (snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_CTL) & 0x4) {
+ /* called by interrupt */
+ if (!is_clk_active(codec)) {
+ wcd9xxx_resmgr_enable_config_mode(codec, 1);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL,
+ 0x06, 0);
+ usleep_range(generic->t_shutdown_plug_rem,
+ generic->t_shutdown_plug_rem);
+ wcd9xxx_resmgr_enable_config_mode(codec, 0);
+ } else
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL,
+ 0x06, 0);
+ }
+
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.int_rbias, 0x80, 0);
+
+ /* If central bandgap disabled */
+ if (!(snd_soc_read(codec, WCD9XXX_A_PIN_CTL_OE1) & 1)) {
+ snd_soc_update_bits(codec, WCD9XXX_A_PIN_CTL_OE1, 0x3, 0x3);
+ usleep_range(generic->t_bg_fast_settle,
+ generic->t_bg_fast_settle);
+ central_bias_enabled = 1;
+ }
+
+ /* If LDO_H disabled */
+ if (snd_soc_read(codec, WCD9XXX_A_PIN_CTL_OE0) & 0x80) {
+ snd_soc_update_bits(codec, WCD9XXX_A_PIN_CTL_OE0, 0x10, 0);
+ snd_soc_update_bits(codec, WCD9XXX_A_PIN_CTL_OE0, 0x80, 0x80);
+ usleep_range(generic->t_ldoh, generic->t_ldoh);
+ snd_soc_update_bits(codec, WCD9XXX_A_PIN_CTL_OE0, 0x80, 0);
+
+ if (central_bias_enabled)
+ snd_soc_update_bits(codec, WCD9XXX_A_PIN_CTL_OE1, 0x1,
+ 0);
+ }
+
+ snd_soc_update_bits(codec, mbhc->resmgr->reg_addr->micb_4_mbhc, 0x3,
+ mbhc->mbhc_cfg->micbias);
+
+ wcd9xxx_enable_irq(mbhc->resmgr->core, WCD9XXX_IRQ_MBHC_INSERTION);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
+
+ return 0;
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_find_plug_and_report(struct wcd9xxx_mbhc *mbhc,
+ enum wcd9xxx_mbhc_plug_type plug_type)
+{
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ if (plug_type == PLUG_TYPE_HEADPHONE &&
+ mbhc->current_plug == PLUG_TYPE_NONE) {
+ /*
+ * Nothing was reported previously
+ * report a headphone or unsupported
+ */
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADPHONE);
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ } else if (plug_type == PLUG_TYPE_GND_MIC_SWAP) {
+ if (mbhc->current_plug == PLUG_TYPE_HEADSET)
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_HEADSET);
+ else if (mbhc->current_plug == PLUG_TYPE_HEADPHONE)
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_HEADPHONE);
+
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_UNSUPPORTED);
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ } else if (plug_type == PLUG_TYPE_HEADSET) {
+ /*
+ * If Headphone was reported previously, this will
+ * only report the mic line
+ */
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADSET);
+ msleep(100);
+ wcd9xxx_start_hs_polling(mbhc);
+ } else if (plug_type == PLUG_TYPE_HIGH_HPH) {
+ if (mbhc->current_plug == PLUG_TYPE_NONE)
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADPHONE);
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ pr_debug("setup mic trigger for further detection\n");
+ mbhc->lpi_enabled = true;
+ wcd9xxx_enable_hs_detect(mbhc, 1, MBHC_USE_MB_TRIGGER |
+ MBHC_USE_HPHL_TRIGGER, false);
+ } else {
+ WARN(1, "Unexpected current plug_type %d, plug_type %d\n",
+ mbhc->current_plug, plug_type);
+ }
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_mbhc_decide_swch_plug(struct wcd9xxx_mbhc *mbhc)
+{
+ enum wcd9xxx_mbhc_plug_type plug_type;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ wcd9xxx_turn_onoff_override(codec, true);
+ plug_type = wcd9xxx_codec_get_plug_type(mbhc, true);
+ wcd9xxx_turn_onoff_override(codec, false);
+
+ if (wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Switch level is low when determining plug\n",
+ __func__);
+ return;
+ }
+
+ if (plug_type == PLUG_TYPE_INVALID ||
+ plug_type == PLUG_TYPE_GND_MIC_SWAP) {
+ wcd9xxx_schedule_hs_detect_plug(mbhc,
+ &mbhc->correct_plug_swch);
+ } else if (plug_type == PLUG_TYPE_HEADPHONE) {
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADPHONE);
+ wcd9xxx_schedule_hs_detect_plug(mbhc,
+ &mbhc->correct_plug_swch);
+ } else {
+ pr_debug("%s: Valid plug found, determine plug type %d\n",
+ __func__, plug_type);
+ wcd9xxx_find_plug_and_report(mbhc, plug_type);
+ }
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_mbhc_detect_plug_type(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec = mbhc->codec;
+ const struct wcd9xxx_mbhc_plug_detect_cfg *plug_det =
+ WCD9XXX_MBHC_CAL_PLUG_DET_PTR(mbhc->mbhc_cfg->calibration);
+
+ WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
+
+ /*
+ * Turn on the override,
+ * wcd9xxx_mbhc_setup_hs_polling requires override on
+ */
+ wcd9xxx_turn_onoff_override(codec, true);
+ if (plug_det->t_ins_complete > 20)
+ msleep(plug_det->t_ins_complete);
+ else
+ usleep_range(plug_det->t_ins_complete * 1000,
+ plug_det->t_ins_complete * 1000);
+ /* Turn off the override */
+ wcd9xxx_turn_onoff_override(codec, false);
+
+ if (wcd9xxx_swch_level_remove(mbhc))
+ pr_debug("%s: Switch level low when determining plug\n",
+ __func__);
+ else
+ wcd9xxx_mbhc_decide_swch_plug(mbhc);
+}
+
+/* called only from interrupt which is under codec_resource_lock acquisition */
+static void wcd9xxx_hs_insert_irq_swch(struct wcd9xxx_mbhc *mbhc,
+ bool is_removal)
+{
+ if (!is_removal) {
+ pr_debug("%s: MIC trigger insertion interrupt\n", __func__);
+
+ rmb();
+ if (mbhc->lpi_enabled)
+ msleep(100);
+
+ rmb();
+ if (!mbhc->lpi_enabled) {
+ pr_debug("%s: lpi is disabled\n", __func__);
+ } else if (!wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Valid insertion, detect plug type\n",
+ __func__);
+ wcd9xxx_mbhc_decide_swch_plug(mbhc);
+ } else {
+ pr_debug("%s: Invalid insertion stop plug detection\n",
+ __func__);
+ }
+ } else {
+ pr_err("%s: Switch IRQ used, invalid MBHC Removal\n", __func__);
+ }
+}
+
+static bool is_valid_mic_voltage(struct wcd9xxx_mbhc *mbhc, s32 mic_mv)
+{
+ const struct wcd9xxx_mbhc_plug_type_cfg *plug_type =
+ WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration);
+ const s16 v_hs_max = wcd9xxx_get_current_v_hs_max(mbhc);
+
+ return (!(mic_mv > 10 && mic_mv < 80) && (mic_mv > plug_type->v_no_mic)
+ && (mic_mv < v_hs_max)) ? true : false;
+}
+
+/*
+ * called under codec_resource_lock acquisition
+ * returns true if mic voltage range is back to normal insertion
+ * returns false either if timedout or removed
+ */
+static bool wcd9xxx_hs_remove_settle(struct wcd9xxx_mbhc *mbhc)
+{
+ int i;
+ bool timedout, settled = false;
+ s32 mic_mv[NUM_DCE_PLUG_DETECT];
+ short mb_v[NUM_DCE_PLUG_DETECT];
+ unsigned long retry = 0, timeout;
+
+ timeout = jiffies + msecs_to_jiffies(HS_DETECT_PLUG_TIME_MS);
+ while (!(timedout = time_after(jiffies, timeout))) {
+ retry++;
+ if (wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Switch indicates removal\n", __func__);
+ break;
+ }
+
+ if (retry > 1)
+ msleep(250);
+ else
+ msleep(50);
+
+ if (wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Switch indicates removal\n", __func__);
+ break;
+ }
+
+ for (i = 0; i < NUM_DCE_PLUG_DETECT; i++) {
+ mb_v[i] = wcd9xxx_codec_sta_dce(mbhc, 1, true);
+ mic_mv[i] = wcd9xxx_codec_sta_dce_v(mbhc, 1 , mb_v[i]);
+ pr_debug("%s : DCE run %lu, mic_mv = %d(%x)\n",
+ __func__, retry, mic_mv[i], mb_v[i]);
+ }
+
+ if (wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Switcn indicates removal\n", __func__);
+ break;
+ }
+
+ if (mbhc->current_plug == PLUG_TYPE_NONE) {
+ pr_debug("%s : headset/headphone is removed\n",
+ __func__);
+ break;
+ }
+
+ for (i = 0; i < NUM_DCE_PLUG_DETECT; i++)
+ if (!is_valid_mic_voltage(mbhc, mic_mv[i]))
+ break;
+
+ if (i == NUM_DCE_PLUG_DETECT) {
+ pr_debug("%s: MIC voltage settled\n", __func__);
+ settled = true;
+ msleep(200);
+ break;
+ }
+ }
+
+ if (timedout)
+ pr_debug("%s: Microphone did not settle in %d seconds\n",
+ __func__, HS_DETECT_PLUG_TIME_MS);
+ return settled;
+}
+
+/* called only from interrupt which is under codec_resource_lock acquisition */
+static void wcd9xxx_hs_remove_irq_swch(struct wcd9xxx_mbhc *mbhc)
+{
+ if (wcd9xxx_hs_remove_settle(mbhc))
+ wcd9xxx_start_hs_polling(mbhc);
+ pr_debug("%s: remove settle done\n", __func__);
+}
+
+static irqreturn_t wcd9xxx_hs_remove_irq(int irq, void *data)
+{
+ bool vddio;
+ struct wcd9xxx_mbhc *mbhc = data;
+
+ pr_debug("%s: enter, removal interrupt\n", __func__);
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ vddio = (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
+ mbhc->mbhc_micbias_switched);
+ if (vddio)
+ __wcd9xxx_switch_micbias(mbhc, 0, false, true);
+
+ wcd9xxx_hs_remove_irq_swch(mbhc);
+
+ /*
+ * if driver turned off vddio switch and headset is not removed,
+ * turn on the vddio switch back, if headset is removed then vddio
+ * switch is off by time now and shouldn't be turn on again from here
+ */
+ if (vddio && mbhc->current_plug == PLUG_TYPE_HEADSET)
+ __wcd9xxx_switch_micbias(mbhc, 1, true, true);
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd9xxx_hs_insert_irq(int irq, void *data)
+{
+ bool is_mb_trigger, is_removal;
+ struct wcd9xxx_mbhc *mbhc = data;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
+
+ is_mb_trigger = !!(snd_soc_read(codec, mbhc->mbhc_bias_regs.mbhc_reg) &
+ 0x10);
+ is_removal = !!(snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_INT_CTL) & 0x02);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_INT_CTL, 0x03, 0x00);
+
+ /* Turn off both HPH and MIC line schmitt triggers */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x13, 0x00);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
+
+ wcd9xxx_hs_insert_irq_swch(mbhc, is_removal);
+
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ return IRQ_HANDLED;
+}
+
+static void wcd9xxx_btn_lpress_fn(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ short bias_value;
+ int dce_mv, sta_mv;
+ struct wcd9xxx_mbhc *mbhc;
+
+ pr_debug("%s:\n", __func__);
+
+ dwork = to_delayed_work(work);
+ mbhc = container_of(dwork, struct wcd9xxx_mbhc, mbhc_btn_dwork);
+
+ bias_value = wcd9xxx_read_sta_result(mbhc->codec);
+ sta_mv = wcd9xxx_codec_sta_dce_v(mbhc, 0, bias_value);
+
+ bias_value = wcd9xxx_read_dce_result(mbhc->codec);
+ dce_mv = wcd9xxx_codec_sta_dce_v(mbhc, 1, bias_value);
+ pr_debug("%s: STA: %d, DCE: %d\n", __func__, sta_mv, dce_mv);
+
+ pr_debug("%s: Reporting long button press event\n", __func__);
+ wcd9xxx_jack_report(&mbhc->button_jack, mbhc->buttons_pressed,
+ mbhc->buttons_pressed);
+
+ pr_debug("%s: leave\n", __func__);
+ wcd9xxx_unlock_sleep(mbhc->resmgr->core);
+}
+
+static void wcd9xxx_mbhc_insert_work(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ struct wcd9xxx_mbhc *mbhc;
+ struct snd_soc_codec *codec;
+ struct wcd9xxx *core;
+
+ dwork = to_delayed_work(work);
+ mbhc = container_of(dwork, struct wcd9xxx_mbhc, mbhc_insert_dwork);
+ codec = mbhc->codec;
+ core = mbhc->resmgr->core;
+
+ pr_debug("%s:\n", __func__);
+
+ /* Turn off both HPH and MIC line schmitt triggers */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x13, 0x00);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
+ wcd9xxx_disable_irq_sync(core, WCD9XXX_IRQ_MBHC_INSERTION);
+ wcd9xxx_mbhc_detect_plug_type(mbhc);
+ wcd9xxx_unlock_sleep(core);
+}
+
+static bool wcd9xxx_mbhc_fw_validate(const struct firmware *fw)
+{
+ u32 cfg_offset;
+ struct wcd9xxx_mbhc_imped_detect_cfg *imped_cfg;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_cfg;
+
+ if (fw->size < WCD9XXX_MBHC_CAL_MIN_SIZE)
+ return false;
+
+ /*
+ * Previous check guarantees that there is enough fw data up
+ * to num_btn
+ */
+ btn_cfg = WCD9XXX_MBHC_CAL_BTN_DET_PTR(fw->data);
+ cfg_offset = (u32) ((void *) btn_cfg - (void *) fw->data);
+ if (fw->size < (cfg_offset + WCD9XXX_MBHC_CAL_BTN_SZ(btn_cfg)))
+ return false;
+
+ /*
+ * Previous check guarantees that there is enough fw data up
+ * to start of impedance detection configuration
+ */
+ imped_cfg = WCD9XXX_MBHC_CAL_IMPED_DET_PTR(fw->data);
+ cfg_offset = (u32) ((void *) imped_cfg - (void *) fw->data);
+
+ if (fw->size < (cfg_offset + WCD9XXX_MBHC_CAL_IMPED_MIN_SZ))
+ return false;
+
+ if (fw->size < (cfg_offset + WCD9XXX_MBHC_CAL_IMPED_SZ(imped_cfg)))
+ return false;
+
+ return true;
+}
+
+static u16 wcd9xxx_codec_v_sta_dce(struct wcd9xxx_mbhc *mbhc,
+ enum meas_type dce, s16 vin_mv)
+{
+ s16 diff, zero;
+ u32 mb_mv, in;
+ u16 value;
+
+ mb_mv = mbhc->mbhc_data.micb_mv;
+
+ if (mb_mv == 0) {
+ pr_err("%s: Mic Bias voltage is set to zero\n", __func__);
+ return -EINVAL;
+ }
+
+ if (dce) {
+ diff = (mbhc->mbhc_data.dce_mb) - (mbhc->mbhc_data.dce_z);
+ zero = (mbhc->mbhc_data.dce_z);
+ } else {
+ diff = (mbhc->mbhc_data.sta_mb) - (mbhc->mbhc_data.sta_z);
+ zero = (mbhc->mbhc_data.sta_z);
+ }
+ in = (u32) diff * vin_mv;
+
+ value = (u16) (in / mb_mv) + zero;
+ return value;
+}
+
+static void wcd9xxx_mbhc_calc_thres(struct wcd9xxx_mbhc *mbhc)
+{
+ struct snd_soc_codec *codec;
+ s16 btn_mv = 0, btn_delta_mv;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_det;
+ struct wcd9xxx_mbhc_plug_type_cfg *plug_type;
+ u16 *btn_high;
+ int i;
+
+ pr_debug("%s: enter\n", __func__);
+ codec = mbhc->codec;
+ btn_det = WCD9XXX_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration);
+ plug_type = WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration);
+
+ mbhc->mbhc_data.v_ins_hu =
+ wcd9xxx_codec_v_sta_dce(mbhc, STA, plug_type->v_hs_max);
+ mbhc->mbhc_data.v_ins_h =
+ wcd9xxx_codec_v_sta_dce(mbhc, DCE, plug_type->v_hs_max);
+
+ mbhc->mbhc_data.v_inval_ins_low = FAKE_INS_LOW;
+ mbhc->mbhc_data.v_inval_ins_high = FAKE_INS_HIGH;
+
+ if (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV) {
+ mbhc->mbhc_data.adj_v_hs_max =
+ scale_v_micb_vddio(mbhc, plug_type->v_hs_max, true);
+ mbhc->mbhc_data.adj_v_ins_hu =
+ wcd9xxx_codec_v_sta_dce(mbhc, STA,
+ mbhc->mbhc_data.adj_v_hs_max);
+ mbhc->mbhc_data.adj_v_ins_h =
+ wcd9xxx_codec_v_sta_dce(mbhc, DCE,
+ mbhc->mbhc_data.adj_v_hs_max);
+ mbhc->mbhc_data.v_inval_ins_low =
+ scale_v_micb_vddio(mbhc, mbhc->mbhc_data.v_inval_ins_low,
+ false);
+ mbhc->mbhc_data.v_inval_ins_high =
+ scale_v_micb_vddio(mbhc, mbhc->mbhc_data.v_inval_ins_high,
+ false);
+ }
+
+ btn_high = wcd9xxx_mbhc_cal_btn_det_mp(btn_det,
+ MBHC_BTN_DET_V_BTN_HIGH);
+ for (i = 0; i < btn_det->num_btn; i++)
+ btn_mv = btn_high[i] > btn_mv ? btn_high[i] : btn_mv;
+
+ mbhc->mbhc_data.v_b1_h = wcd9xxx_codec_v_sta_dce(mbhc, DCE, btn_mv);
+ btn_delta_mv = btn_mv + btn_det->v_btn_press_delta_sta;
+ mbhc->mbhc_data.v_b1_hu =
+ wcd9xxx_codec_v_sta_dce(mbhc, STA, btn_delta_mv);
+
+ btn_delta_mv = btn_mv + btn_det->v_btn_press_delta_cic;
+
+ mbhc->mbhc_data.v_b1_huc =
+ wcd9xxx_codec_v_sta_dce(mbhc, DCE, btn_delta_mv);
+
+ mbhc->mbhc_data.v_brh = mbhc->mbhc_data.v_b1_h;
+ mbhc->mbhc_data.v_brl = BUTTON_MIN;
+
+ mbhc->mbhc_data.v_no_mic =
+ wcd9xxx_codec_v_sta_dce(mbhc, STA, plug_type->v_no_mic);
+ pr_debug("%s: leave\n", __func__);
+}
+
+static void wcd9xxx_onoff_ext_mclk(struct wcd9xxx_mbhc *mbhc, bool on)
+{
+ /*
+ * XXX: {codec}_mclk_enable holds WCD9XXX_BCL_LOCK,
+ * therefore wcd9xxx_onoff_ext_mclk caller SHOULDN'T hold
+ * WCD9XXX_BCL_LOCK when it calls wcd9xxx_onoff_ext_mclk()
+ */
+ mbhc->mbhc_cfg->mclk_cb_fn(mbhc->codec, on, false);
+}
+
+static void wcd9xxx_correct_swch_plug(struct work_struct *work)
+{
+ struct wcd9xxx_mbhc *mbhc;
+ struct snd_soc_codec *codec;
+ enum wcd9xxx_mbhc_plug_type plug_type;
+ unsigned long timeout;
+ int retry = 0, pt_gnd_mic_swap_cnt = 0;
+ bool correction = false;
+
+ pr_debug("%s: enter\n", __func__);
+
+ mbhc = container_of(work, struct wcd9xxx_mbhc, correct_plug_swch);
+ codec = mbhc->codec;
+
+ wcd9xxx_onoff_ext_mclk(mbhc, true);
+
+ /*
+ * Keep override on during entire plug type correction work.
+ *
+ * This is okay under the assumption that any switch irqs which use
+ * MBHC block cancel and sync this work so override is off again
+ * prior to switch interrupt handler's MBHC block usage.
+ * Also while this correction work is running, we can guarantee
+ * DAPM doesn't use any MBHC block as this work only runs with
+ * headphone detection.
+ */
+ wcd9xxx_turn_onoff_override(codec, true);
+
+ timeout = jiffies + msecs_to_jiffies(HS_DETECT_PLUG_TIME_MS);
+ while (!time_after(jiffies, timeout)) {
+ ++retry;
+ rmb();
+ if (mbhc->hs_detect_work_stop) {
+ pr_debug("%s: stop requested\n", __func__);
+ break;
+ }
+
+ msleep(HS_DETECT_PLUG_INERVAL_MS);
+ if (wcd9xxx_swch_level_remove(mbhc)) {
+ pr_debug("%s: Switch level is low\n", __func__);
+ break;
+ }
+
+ /* can race with removal interrupt */
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ plug_type = wcd9xxx_codec_get_plug_type(mbhc, true);
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+
+ if (plug_type == PLUG_TYPE_INVALID) {
+ pr_debug("Invalid plug in attempt # %d\n", retry);
+ if (retry == NUM_ATTEMPTS_TO_REPORT &&
+ mbhc->current_plug == PLUG_TYPE_NONE) {
+ wcd9xxx_report_plug(mbhc, 1,
+ SND_JACK_HEADPHONE);
+ }
+ } else if (plug_type == PLUG_TYPE_HEADPHONE) {
+ pr_debug("Good headphone detected, continue polling\n");
+ if (mbhc->current_plug == PLUG_TYPE_NONE)
+ wcd9xxx_report_plug(mbhc, 1,
+ SND_JACK_HEADPHONE);
+ } else {
+ if (plug_type == PLUG_TYPE_GND_MIC_SWAP) {
+ pt_gnd_mic_swap_cnt++;
+ if (pt_gnd_mic_swap_cnt <
+ GND_MIC_SWAP_THRESHOLD)
+ continue;
+ else if (pt_gnd_mic_swap_cnt >
+ GND_MIC_SWAP_THRESHOLD) {
+ /*
+ * This is due to GND/MIC switch didn't
+ * work, Report unsupported plug
+ */
+ } else if (mbhc->mbhc_cfg->swap_gnd_mic) {
+ /*
+ * if switch is toggled, check again,
+ * otherwise report unsupported plug
+ */
+ if (mbhc->mbhc_cfg->swap_gnd_mic(codec))
+ continue;
+ }
+ } else
+ pt_gnd_mic_swap_cnt = 0;
+
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ /* Turn off override */
+ wcd9xxx_turn_onoff_override(codec, false);
+ /*
+ * The valid plug also includes PLUG_TYPE_GND_MIC_SWAP
+ */
+ wcd9xxx_find_plug_and_report(mbhc, plug_type);
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ pr_debug("Attempt %d found correct plug %d\n", retry,
+ plug_type);
+ correction = true;
+ break;
+ }
+ }
+
+ /* Turn off override */
+ if (!correction)
+ wcd9xxx_turn_onoff_override(codec, false);
+
+ wcd9xxx_onoff_ext_mclk(mbhc, false);
+ pr_debug("%s: leave\n", __func__);
+ /* unlock sleep */
+ wcd9xxx_unlock_sleep(mbhc->resmgr->core);
+}
+
+static void wcd9xxx_swch_irq_handler(struct wcd9xxx_mbhc *mbhc)
+{
+ bool insert;
+ bool is_removed = false;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+
+ mbhc->in_swch_irq_handler = true;
+ /* Wait here for debounce time */
+ usleep_range(SWCH_IRQ_DEBOUNCE_TIME_US, SWCH_IRQ_DEBOUNCE_TIME_US);
+
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+
+ /* cancel pending button press */
+ if (wcd9xxx_cancel_btn_work(mbhc))
+ pr_debug("%s: button press is canceled\n", __func__);
+
+ insert = !wcd9xxx_swch_level_remove(mbhc);
+ pr_debug("%s: Current plug type %d, insert %d\n", __func__,
+ mbhc->current_plug, insert);
+ if ((mbhc->current_plug == PLUG_TYPE_NONE) && insert) {
+ mbhc->lpi_enabled = false;
+ wmb();
+
+ /* cancel detect plug */
+ wcd9xxx_cancel_hs_detect_plug(mbhc,
+ &mbhc->correct_plug_swch);
+
+ /* Disable Mic Bias pull down and HPH Switch to GND */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01,
+ 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x01, 0x00);
+ wcd9xxx_mbhc_detect_plug_type(mbhc);
+ } else if ((mbhc->current_plug != PLUG_TYPE_NONE) && !insert) {
+ mbhc->lpi_enabled = false;
+ wmb();
+
+ /* cancel detect plug */
+ wcd9xxx_cancel_hs_detect_plug(mbhc,
+ &mbhc->correct_plug_swch);
+
+ if (mbhc->current_plug == PLUG_TYPE_HEADPHONE) {
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_HEADPHONE);
+ is_removed = true;
+ } else if (mbhc->current_plug == PLUG_TYPE_GND_MIC_SWAP) {
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_UNSUPPORTED);
+ is_removed = true;
+ } else if (mbhc->current_plug == PLUG_TYPE_HEADSET) {
+ wcd9xxx_pause_hs_polling(mbhc);
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_HEADSET);
+ is_removed = true;
+ }
+
+ if (is_removed) {
+ /* Enable Mic Bias pull down and HPH Switch to GND */
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.ctl_reg, 0x01,
+ 0x01);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x01,
+ 0x01);
+ /* Make sure mic trigger is turned off */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg,
+ 0x01, 0x01);
+ snd_soc_update_bits(codec,
+ mbhc->mbhc_bias_regs.mbhc_reg,
+ 0x90, 0x00);
+ /* Reset MBHC State Machine */
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL,
+ 0x08, 0x08);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL,
+ 0x08, 0x00);
+ /* Turn off override */
+ wcd9xxx_turn_onoff_override(codec, false);
+ }
+ }
+
+ mbhc->in_swch_irq_handler = false;
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ pr_debug("%s: leave\n", __func__);
+}
+
+static irqreturn_t wcd9xxx_mech_plug_detect_irq(int irq, void *data)
+{
+ int r = IRQ_HANDLED;
+ struct wcd9xxx_mbhc *mbhc = data;
+
+ pr_debug("%s: enter\n", __func__);
+ if (unlikely(wcd9xxx_lock_sleep(mbhc->resmgr->core) == false)) {
+ pr_warn("%s: failed to hold suspend\n", __func__);
+ r = IRQ_NONE;
+ } else {
+ /* Call handler */
+ wcd9xxx_swch_irq_handler(mbhc);
+ wcd9xxx_unlock_sleep(mbhc->resmgr->core);
+ }
+
+ pr_debug("%s: leave %d\n", __func__, r);
+ return r;
+}
+
+/* called under codec_resource_lock acquisition */
+static void wcd9xxx_codec_drive_v_to_micbias(struct wcd9xxx_mbhc *mbhc,
+ int usec)
+{
+ int cfilt_k_val;
+ bool set = true;
+
+ if (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
+ mbhc->mbhc_micbias_switched) {
+ pr_debug("%s: set mic V to micbias V\n", __func__);
+ snd_soc_update_bits(mbhc->codec, WCD9XXX_A_CDC_MBHC_CLK_CTL,
+ 0x2, 0x2);
+ wcd9xxx_turn_onoff_override(mbhc->codec, true);
+ while (1) {
+ cfilt_k_val =
+ wcd9xxx_resmgr_get_k_val(mbhc->resmgr,
+ set ? mbhc->mbhc_data.micb_mv :
+ VDDIO_MICBIAS_MV);
+ snd_soc_update_bits(mbhc->codec,
+ mbhc->mbhc_bias_regs.cfilt_val,
+ 0xFC, (cfilt_k_val << 2));
+ if (!set)
+ break;
+ usleep_range(usec, usec);
+ set = false;
+ }
+ wcd9xxx_turn_onoff_override(mbhc->codec, false);
+ }
+}
+
+static int wcd9xxx_is_fake_press(struct wcd9xxx_mbhc *mbhc)
+{
+ int i;
+ int r = 0;
+ const int dces = NUM_DCE_PLUG_DETECT;
+ s16 mb_v, v_ins_hu, v_ins_h;
+
+ v_ins_hu = wcd9xxx_get_current_v_ins(mbhc, true);
+ v_ins_h = wcd9xxx_get_current_v_ins(mbhc, false);
+
+ for (i = 0; i < dces; i++) {
+ usleep_range(10000, 10000);
+ if (i == 0) {
+ mb_v = wcd9xxx_codec_sta_dce(mbhc, 0, true);
+ pr_debug("%s: STA[0]: %d,%d\n", __func__, mb_v,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, mb_v));
+ if (mb_v < (s16)mbhc->mbhc_data.v_b1_hu ||
+ mb_v > v_ins_hu) {
+ r = 1;
+ break;
+ }
+ } else {
+ mb_v = wcd9xxx_codec_sta_dce(mbhc, 1, true);
+ pr_debug("%s: DCE[%d]: %d,%d\n", __func__, i, mb_v,
+ wcd9xxx_codec_sta_dce_v(mbhc, 1, mb_v));
+ if (mb_v < (s16)mbhc->mbhc_data.v_b1_h ||
+ mb_v > v_ins_h) {
+ r = 1;
+ break;
+ }
+ }
+ }
+
+ return r;
+}
+
+/* called under codec_resource_lock acquisition */
+static int wcd9xxx_determine_button(const struct wcd9xxx_mbhc *mbhc,
+ const s32 micmv)
+{
+ s16 *v_btn_low, *v_btn_high;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_det;
+ int i, btn = -1;
+
+ btn_det = WCD9XXX_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration);
+ v_btn_low = wcd9xxx_mbhc_cal_btn_det_mp(btn_det,
+ MBHC_BTN_DET_V_BTN_LOW);
+ v_btn_high = wcd9xxx_mbhc_cal_btn_det_mp(btn_det,
+ MBHC_BTN_DET_V_BTN_HIGH);
+
+ for (i = 0; i < btn_det->num_btn; i++) {
+ if ((v_btn_low[i] <= micmv) && (v_btn_high[i] >= micmv)) {
+ btn = i;
+ break;
+ }
+ }
+
+ if (btn == -1)
+ pr_debug("%s: couldn't find button number for mic mv %d\n",
+ __func__, micmv);
+
+ return btn;
+}
+
+static int wcd9xxx_get_button_mask(const int btn)
+{
+ int mask = 0;
+ switch (btn) {
+ case 0:
+ mask = SND_JACK_BTN_0;
+ break;
+ case 1:
+ mask = SND_JACK_BTN_1;
+ break;
+ case 2:
+ mask = SND_JACK_BTN_2;
+ break;
+ case 3:
+ mask = SND_JACK_BTN_3;
+ break;
+ case 4:
+ mask = SND_JACK_BTN_4;
+ break;
+ case 5:
+ mask = SND_JACK_BTN_5;
+ break;
+ case 6:
+ mask = SND_JACK_BTN_6;
+ break;
+ case 7:
+ mask = SND_JACK_BTN_7;
+ break;
+ }
+ return mask;
+}
+
+irqreturn_t wcd9xxx_dce_handler(int irq, void *data)
+{
+ int i, mask;
+ short dce, sta;
+ s32 mv, mv_s, stamv_s;
+ bool vddio;
+ u8 mbhc_status;
+ int btn = -1, meas = 0;
+ struct wcd9xxx_mbhc *mbhc = data;
+ const struct wcd9xxx_mbhc_btn_detect_cfg *d =
+ WCD9XXX_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration);
+ short btnmeas[d->n_btn_meas + 1];
+ struct snd_soc_codec *codec = mbhc->codec;
+ struct wcd9xxx *core = mbhc->resmgr->core;
+ int n_btn_meas = d->n_btn_meas;
+
+ pr_debug("%s: enter\n", __func__);
+
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ mbhc_status = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_STATUS) & 0x3E;
+
+ if (mbhc->mbhc_state == MBHC_STATE_POTENTIAL_RECOVERY) {
+ pr_debug("%s: mbhc is being recovered, skip button press\n",
+ __func__);
+ goto done;
+ }
+
+ mbhc->mbhc_state = MBHC_STATE_POTENTIAL;
+
+ if (!mbhc->polling_active) {
+ pr_warn("%s: mbhc polling is not active, skip button press\n",
+ __func__);
+ goto done;
+ }
+
+ dce = wcd9xxx_read_dce_result(codec);
+ mv = wcd9xxx_codec_sta_dce_v(mbhc, 1, dce);
+
+ /* If switch nterrupt already kicked in, ignore button press */
+ if (mbhc->in_swch_irq_handler) {
+ pr_debug("%s: Swtich level changed, ignore button press\n",
+ __func__);
+ btn = -1;
+ goto done;
+ }
+
+ /* Measure scaled HW DCE */
+ vddio = (mbhc->mbhc_data.micb_mv != VDDIO_MICBIAS_MV &&
+ mbhc->mbhc_micbias_switched);
+ mv_s = vddio ? scale_v_micb_vddio(mbhc, mv, false) : mv;
+
+ /* Measure scaled HW STA */
+ sta = wcd9xxx_read_sta_result(codec);
+ stamv_s = wcd9xxx_codec_sta_dce_v(mbhc, 0, sta);
+ if (vddio)
+ stamv_s = scale_v_micb_vddio(mbhc, stamv_s, false);
+ if (mbhc_status != STATUS_REL_DETECTION) {
+ if (mbhc->mbhc_last_resume &&
+ !time_after(jiffies, mbhc->mbhc_last_resume + HZ)) {
+ pr_debug("%s: Button is released after resume\n",
+ __func__);
+ n_btn_meas = 0;
+ } else {
+ pr_debug("%s: Button is released without resume",
+ __func__);
+ btn = wcd9xxx_determine_button(mbhc, mv_s);
+ if (btn != wcd9xxx_determine_button(mbhc, stamv_s))
+ btn = -1;
+ goto done;
+ }
+ }
+
+ pr_debug("%s: Meas HW - STA 0x%x,%d,%d\n", __func__,
+ sta & 0xFFFF, wcd9xxx_codec_sta_dce_v(mbhc, 0, sta), stamv_s);
+
+ /* determine pressed button */
+ btnmeas[meas++] = wcd9xxx_determine_button(mbhc, mv_s);
+ pr_debug("%s: Meas HW - DCE 0x%x,%d,%d button %d\n", __func__,
+ dce & 0xFFFF, mv, mv_s, btnmeas[meas - 1]);
+ if (n_btn_meas == 0)
+ btn = btnmeas[0];
+ for (; ((d->n_btn_meas) && (meas < (d->n_btn_meas + 1))); meas++) {
+ dce = wcd9xxx_codec_sta_dce(mbhc, 1, false);
+ mv = wcd9xxx_codec_sta_dce_v(mbhc, 1, dce);
+ mv_s = vddio ? scale_v_micb_vddio(mbhc, mv, false) : mv;
+
+ btnmeas[meas] = wcd9xxx_determine_button(mbhc, mv_s);
+ pr_debug("%s: Meas %d - DCE 0x%x,%d,%d button %d\n",
+ __func__, meas, dce & 0xFFFF, mv, mv_s, btnmeas[meas]);
+ /*
+ * if large enough measurements are collected,
+ * start to check if last all n_btn_con measurements were
+ * in same button low/high range
+ */
+ if (meas + 1 >= d->n_btn_con) {
+ for (i = 0; i < d->n_btn_con; i++)
+ if ((btnmeas[meas] < 0) ||
+ (btnmeas[meas] != btnmeas[meas - i]))
+ break;
+ if (i == d->n_btn_con) {
+ /* button pressed */
+ btn = btnmeas[meas];
+ break;
+ } else if ((n_btn_meas - meas) < (d->n_btn_con - 1)) {
+ /*
+ * if left measurements are less than n_btn_con,
+ * it's impossible to find button number
+ */
+ break;
+ }
+ }
+ }
+
+ if (btn >= 0) {
+ if (mbhc->in_swch_irq_handler) {
+ pr_debug(
+ "%s: Switch irq triggered, ignore button press\n",
+ __func__);
+ goto done;
+ }
+ mask = wcd9xxx_get_button_mask(btn);
+ mbhc->buttons_pressed |= mask;
+ wcd9xxx_lock_sleep(core);
+ if (schedule_delayed_work(&mbhc->mbhc_btn_dwork,
+ msecs_to_jiffies(400)) == 0) {
+ WARN(1, "Button pressed twice without release event\n");
+ wcd9xxx_unlock_sleep(core);
+ }
+ } else {
+ pr_debug("%s: bogus button press, too short press?\n",
+ __func__);
+ }
+
+ done:
+ pr_debug("%s: leave\n", __func__);
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd9xxx_release_handler(int irq, void *data)
+{
+ int ret;
+ struct wcd9xxx_mbhc *mbhc = data;
+
+ pr_debug("%s: enter\n", __func__);
+ WCD9XXX_BCL_LOCK(mbhc->resmgr);
+ mbhc->mbhc_state = MBHC_STATE_RELEASE;
+
+ wcd9xxx_codec_drive_v_to_micbias(mbhc, 10000);
+
+ if (mbhc->buttons_pressed & WCD9XXX_JACK_BUTTON_MASK) {
+ ret = wcd9xxx_cancel_btn_work(mbhc);
+ if (ret == 0) {
+ pr_debug("%s: Reporting long button release event\n",
+ __func__);
+ wcd9xxx_jack_report(&mbhc->button_jack, 0,
+ mbhc->buttons_pressed);
+ } else {
+ if (wcd9xxx_is_fake_press(mbhc)) {
+ pr_debug("%s: Fake button press interrupt\n",
+ __func__);
+ } else {
+ if (mbhc->in_swch_irq_handler) {
+ pr_debug("%s: Switch irq kicked in, ignore\n",
+ __func__);
+ } else {
+ pr_debug("%s: Reporting btn press\n",
+ __func__);
+ wcd9xxx_jack_report(&mbhc->button_jack,
+ mbhc->buttons_pressed,
+ mbhc->buttons_pressed);
+ pr_debug("%s: Reporting btn release\n",
+ __func__);
+ wcd9xxx_jack_report(&mbhc->button_jack,
+ 0, mbhc->buttons_pressed);
+ }
+ }
+ }
+
+ mbhc->buttons_pressed &= ~WCD9XXX_JACK_BUTTON_MASK;
+ }
+
+ wcd9xxx_calibrate_hs_polling(mbhc);
+
+ msleep(SWCH_REL_DEBOUNCE_TIME_MS);
+ wcd9xxx_start_hs_polling(mbhc);
+
+ pr_debug("%s: leave\n", __func__);
+ WCD9XXX_BCL_UNLOCK(mbhc->resmgr);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd9xxx_hphl_ocp_irq(int irq, void *data)
+{
+ struct wcd9xxx_mbhc *mbhc = data;
+ struct snd_soc_codec *codec;
+
+ pr_info("%s: received HPHL OCP irq\n", __func__);
+
+ if (mbhc) {
+ codec = mbhc->codec;
+ if (mbhc->hphlocp_cnt++ < OCP_ATTEMPT) {
+ pr_info("%s: retry\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL,
+ 0x10, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL,
+ 0x10, 0x10);
+ } else {
+ wcd9xxx_disable_irq(codec->control_data,
+ WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
+ mbhc->hphlocp_cnt = 0;
+ mbhc->hph_status |= SND_JACK_OC_HPHL;
+ wcd9xxx_jack_report(&mbhc->headset_jack,
+ mbhc->hph_status,
+ WCD9XXX_JACK_MASK);
+ }
+ } else {
+ pr_err("%s: Bad wcd9xxx private data\n", __func__);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd9xxx_hphr_ocp_irq(int irq, void *data)
+{
+ struct wcd9xxx_mbhc *mbhc = data;
+ struct snd_soc_codec *codec;
+
+ pr_info("%s: received HPHR OCP irq\n", __func__);
+ codec = mbhc->codec;
+ if (mbhc->hphrocp_cnt++ < OCP_ATTEMPT) {
+ pr_info("%s: retry\n", __func__);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL, 0x10,
+ 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL, 0x10,
+ 0x10);
+ } else {
+ wcd9xxx_disable_irq(mbhc->resmgr->core,
+ WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+ mbhc->hphrocp_cnt = 0;
+ mbhc->hph_status |= SND_JACK_OC_HPHR;
+ wcd9xxx_jack_report(&mbhc->headset_jack,
+ mbhc->hph_status, WCD9XXX_JACK_MASK);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int wcd9xxx_acdb_mclk_index(const int rate)
+{
+ if (rate == MCLK_RATE_12288KHZ)
+ return 0;
+ else if (rate == MCLK_RATE_9600KHZ)
+ return 1;
+ else {
+ BUG_ON(1);
+ return -EINVAL;
+ }
+}
+
+static void wcd9xxx_update_mbhc_clk_rate(struct wcd9xxx_mbhc *mbhc, u32 rate)
+{
+ u32 dce_wait, sta_wait;
+ u8 ncic, nmeas, navg;
+ void *calibration;
+ u8 *n_cic, *n_ready;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_det;
+ u8 npoll = 4, nbounce_wait = 30;
+ struct snd_soc_codec *codec = mbhc->codec;
+ int idx = wcd9xxx_acdb_mclk_index(rate);
+ int idxmclk = wcd9xxx_acdb_mclk_index(mbhc->mbhc_cfg->mclk_rate);
+
+ pr_debug("%s: Updating clock rate dependents, rate = %u\n", __func__,
+ rate);
+ calibration = mbhc->mbhc_cfg->calibration;
+
+ /*
+ * First compute the DCE / STA wait times depending on tunable
+ * parameters. The value is computed in microseconds
+ */
+ btn_det = WCD9XXX_MBHC_CAL_BTN_DET_PTR(calibration);
+ n_ready = wcd9xxx_mbhc_cal_btn_det_mp(btn_det, MBHC_BTN_DET_N_READY);
+ n_cic = wcd9xxx_mbhc_cal_btn_det_mp(btn_det, MBHC_BTN_DET_N_CIC);
+ nmeas = WCD9XXX_MBHC_CAL_BTN_DET_PTR(calibration)->n_meas;
+ navg = WCD9XXX_MBHC_CAL_GENERAL_PTR(calibration)->mbhc_navg;
+
+ /* ncic stays with the same what we had during calibration */
+ ncic = n_cic[idxmclk];
+ dce_wait = (1000 * 512 * ncic * (nmeas + 1)) / (rate / 1000);
+ sta_wait = (1000 * 128 * (navg + 1)) / (rate / 1000);
+ mbhc->mbhc_data.t_dce = dce_wait;
+ mbhc->mbhc_data.t_sta = sta_wait;
+ mbhc->mbhc_data.t_sta_dce = ((1000 * 256) / (rate / 1000) *
+ n_ready[idx]) + 10;
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_TIMER_B1_CTL, n_ready[idx]);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_TIMER_B6_CTL, ncic);
+
+ if (rate == MCLK_RATE_12288KHZ) {
+ npoll = 4;
+ nbounce_wait = 30;
+ } else if (rate == MCLK_RATE_9600KHZ) {
+ npoll = 3;
+ nbounce_wait = 23;
+ }
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_TIMER_B2_CTL, npoll);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_TIMER_B3_CTL, nbounce_wait);
+ pr_debug("%s: leave\n", __func__);
+}
+
+static void wcd9xxx_mbhc_cal(struct wcd9xxx_mbhc *mbhc)
+{
+ u8 cfilt_mode, bg_mode;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+ wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
+ wcd9xxx_turn_onoff_rel_detection(codec, false);
+
+ /* t_dce and t_sta are updated by wcd9xxx_update_mbhc_clk_rate() */
+ WARN_ON(!mbhc->mbhc_data.t_dce);
+ WARN_ON(!mbhc->mbhc_data.t_sta);
+
+ /*
+ * LDOH and CFILT are already configured during pdata handling.
+ * Only need to make sure CFILT and bandgap are in Fast mode.
+ * Need to restore defaults once calculation is done.
+ */
+ cfilt_mode = snd_soc_read(codec, mbhc->mbhc_bias_regs.cfilt_ctl);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl, 0x40, 0x00);
+ bg_mode = snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL,
+ 0x02, 0x02);
+
+ /*
+ * Micbias, CFILT, LDOH, MBHC MUX mode settings
+ * to perform ADC calibration
+ */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x60,
+ mbhc->mbhc_cfg->micbias << 5);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
+ snd_soc_update_bits(codec, WCD9XXX_A_LDO_H_MODE_1, 0x60, 0x60);
+ snd_soc_write(codec, WCD9XXX_A_TX_7_MBHC_TEST_CTL, 0x78);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x04, 0x04);
+
+ /* DCE measurement for 0 volts */
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x0A);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x04);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x02);
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x81);
+ usleep_range(100, 100);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x04);
+ usleep_range(mbhc->mbhc_data.t_dce, mbhc->mbhc_data.t_dce);
+ mbhc->mbhc_data.dce_z = wcd9xxx_read_dce_result(codec);
+
+ /* DCE measurment for MB voltage */
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x0A);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x02);
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x82);
+ usleep_range(100, 100);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x04);
+ usleep_range(mbhc->mbhc_data.t_dce, mbhc->mbhc_data.t_dce);
+ mbhc->mbhc_data.dce_mb = wcd9xxx_read_dce_result(codec);
+
+ /* STA measuremnt for 0 volts */
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x0A);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x02);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x02);
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x81);
+ usleep_range(100, 100);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x02);
+ usleep_range(mbhc->mbhc_data.t_sta, mbhc->mbhc_data.t_sta);
+ mbhc->mbhc_data.sta_z = wcd9xxx_read_sta_result(codec);
+
+ /* STA Measurement for MB Voltage */
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x82);
+ usleep_range(100, 100);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_EN_CTL, 0x02);
+ usleep_range(mbhc->mbhc_data.t_sta, mbhc->mbhc_data.t_sta);
+ mbhc->mbhc_data.sta_mb = wcd9xxx_read_sta_result(codec);
+
+ /* Restore default settings. */
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x04, 0x00);
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl, 0x40,
+ cfilt_mode);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x02,
+ bg_mode);
+
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x84);
+ usleep_range(100, 100);
+
+ wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
+ wcd9xxx_turn_onoff_rel_detection(codec, true);
+ pr_debug("%s: leave\n", __func__);
+}
+
+static void wcd9xxx_mbhc_setup(struct wcd9xxx_mbhc *mbhc)
+{
+ int n;
+ u8 *gain;
+ struct wcd9xxx_mbhc_general_cfg *generic;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_det;
+ struct snd_soc_codec *codec = mbhc->codec;
+ const int idx = wcd9xxx_acdb_mclk_index(mbhc->mbhc_cfg->mclk_rate);
+
+ pr_debug("%s: enter\n", __func__);
+ generic = WCD9XXX_MBHC_CAL_GENERAL_PTR(mbhc->mbhc_cfg->calibration);
+ btn_det = WCD9XXX_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration);
+
+ for (n = 0; n < 8; n++) {
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_FIR_B1_CFG,
+ 0x07, n);
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_FIR_B2_CFG,
+ btn_det->c[n]);
+ }
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B2_CTL, 0x07,
+ btn_det->nc);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_TIMER_B4_CTL, 0x70,
+ generic->mbhc_nsa << 4);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_TIMER_B4_CTL, 0x0F,
+ btn_det->n_meas);
+
+ snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_TIMER_B5_CTL,
+ generic->mbhc_navg);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x80, 0x80);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x78,
+ btn_det->mbhc_nsc << 3);
+
+ snd_soc_update_bits(codec, mbhc->resmgr->reg_addr->micb_4_mbhc, 0x03,
+ MBHC_MICBIAS2);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, 0x02, 0x02);
+
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_SCALING_MUX_2, 0xF0, 0xF0);
+
+ gain = wcd9xxx_mbhc_cal_btn_det_mp(btn_det, MBHC_BTN_DET_GAIN);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B2_CTL, 0x78,
+ gain[idx] << 3);
+
+ pr_debug("%s: leave\n", __func__);
+}
+
+static int wcd9xxx_setup_jack_detect_irq(struct wcd9xxx_mbhc *mbhc)
+{
+ int ret = 0;
+ void *core = mbhc->resmgr->core;
+
+ if (mbhc->mbhc_cfg->gpio) {
+ ret = request_threaded_irq(mbhc->mbhc_cfg->gpio_irq, NULL,
+ wcd9xxx_mech_plug_detect_irq,
+ (IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING |
+ IRQF_DISABLED),
+ "headset detect", mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request gpio irq %d\n", __func__,
+ mbhc->mbhc_cfg->gpio_irq);
+ } else {
+ ret = enable_irq_wake(mbhc->mbhc_cfg->gpio_irq);
+ if (ret)
+ pr_err("%s: Failed to enable wake up irq %d\n",
+ __func__, mbhc->mbhc_cfg->gpio_irq);
+ }
+ } else if (mbhc->mbhc_cfg->insert_detect) {
+ /* Enable HPHL_10K_SW */
+ snd_soc_update_bits(mbhc->codec, WCD9XXX_A_RX_HPH_OCP_CTL,
+ 1 << 1, 1 << 1);
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_MBHC_JACK_SWITCH,
+ wcd9xxx_mech_plug_detect_irq,
+ "Jack Detect",
+ mbhc);
+ if (ret)
+ pr_err("%s: Failed to request insert detect irq %d\n",
+ __func__, WCD9XXX_IRQ_MBHC_JACK_SWITCH);
+ }
+
+ return ret;
+}
+
+static int wcd9xxx_init_and_calibrate(struct wcd9xxx_mbhc *mbhc)
+{
+ int ret = 0;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+
+ /* Enable MCLK during calibration */
+ wcd9xxx_onoff_ext_mclk(mbhc, true);
+ wcd9xxx_mbhc_setup(mbhc);
+ wcd9xxx_mbhc_cal(mbhc);
+ wcd9xxx_mbhc_calc_thres(mbhc);
+ wcd9xxx_onoff_ext_mclk(mbhc, false);
+ wcd9xxx_calibrate_hs_polling(mbhc);
+
+ /* Enable Mic Bias pull down and HPH Switch to GND */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x01, 0x01);
+ snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x01, 0x01);
+ INIT_WORK(&mbhc->correct_plug_swch, wcd9xxx_correct_swch_plug);
+
+ if (!IS_ERR_VALUE(ret)) {
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_HPH_OCP_CTL, 0x10,
+ 0x10);
+ wcd9xxx_enable_irq(codec->control_data,
+ WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
+ wcd9xxx_enable_irq(codec->control_data,
+ WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+
+ /* Initialize mechanical mbhc */
+ ret = wcd9xxx_setup_jack_detect_irq(mbhc);
+
+ if (!ret && mbhc->mbhc_cfg->gpio) {
+ /* Requested with IRQF_DISABLED */
+ enable_irq(mbhc->mbhc_cfg->gpio_irq);
+
+ /* Bootup time detection */
+ wcd9xxx_swch_irq_handler(mbhc);
+ } else if (!ret && mbhc->mbhc_cfg->insert_detect) {
+ pr_debug("%s: Setting up codec own insert detection\n",
+ __func__);
+ /* Setup for insertion detection */
+ wcd9xxx_insert_detect_setup(mbhc, true);
+ }
+ }
+
+ pr_debug("%s: leave\n", __func__);
+
+ return ret;
+}
+
+static void wcd9xxx_mbhc_fw_read(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ struct wcd9xxx_mbhc *mbhc;
+ struct snd_soc_codec *codec;
+ const struct firmware *fw;
+ int ret = -1, retry = 0;
+
+ dwork = to_delayed_work(work);
+ mbhc = container_of(dwork, struct wcd9xxx_mbhc, mbhc_firmware_dwork);
+ codec = mbhc->codec;
+
+ while (retry < FW_READ_ATTEMPTS) {
+ retry++;
+ pr_info("%s:Attempt %d to request MBHC firmware\n",
+ __func__, retry);
+ ret = request_firmware(&fw, "wcd9320/wcd9320_mbhc.bin",
+ codec->dev);
+
+ if (ret != 0) {
+ usleep_range(FW_READ_TIMEOUT, FW_READ_TIMEOUT);
+ } else {
+ pr_info("%s: MBHC Firmware read succesful\n", __func__);
+ break;
+ }
+ }
+
+ if (ret != 0) {
+ pr_err("%s: Cannot load MBHC firmware use default cal\n",
+ __func__);
+ } else if (wcd9xxx_mbhc_fw_validate(fw) == false) {
+ pr_err("%s: Invalid MBHC cal data size use default cal\n",
+ __func__);
+ release_firmware(fw);
+ } else {
+ mbhc->mbhc_cfg->calibration = (void *)fw->data;
+ mbhc->mbhc_fw = fw;
+ }
+
+ (void) wcd9xxx_init_and_calibrate(mbhc);
+}
+
+#ifdef CONFIG_DEBUG_FS
+ssize_t codec_mbhc_debug_read(struct file *file, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ const int size = 768;
+ char buffer[size];
+ int n = 0;
+ struct wcd9xxx_mbhc *mbhc = file->private_data;
+ const struct mbhc_internal_cal_data *p = &mbhc->mbhc_data;
+ const s16 v_ins_hu_cur = wcd9xxx_get_current_v_ins(mbhc, true);
+ const s16 v_ins_h_cur = wcd9xxx_get_current_v_ins(mbhc, false);
+
+ n = scnprintf(buffer, size - n, "dce_z = %x(%dmv)\n", p->dce_z,
+ wcd9xxx_codec_sta_dce_v(mbhc, 1, p->dce_z));
+ n += scnprintf(buffer + n, size - n, "dce_mb = %x(%dmv)\n",
+ p->dce_mb, wcd9xxx_codec_sta_dce_v(mbhc, 1, p->dce_mb));
+ n += scnprintf(buffer + n, size - n, "sta_z = %x(%dmv)\n",
+ p->sta_z, wcd9xxx_codec_sta_dce_v(mbhc, 0, p->sta_z));
+ n += scnprintf(buffer + n, size - n, "sta_mb = %x(%dmv)\n",
+ p->sta_mb, wcd9xxx_codec_sta_dce_v(mbhc, 0, p->sta_mb));
+ n += scnprintf(buffer + n, size - n, "t_dce = %x\n", p->t_dce);
+ n += scnprintf(buffer + n, size - n, "t_sta = %x\n", p->t_sta);
+ n += scnprintf(buffer + n, size - n, "micb_mv = %dmv\n",
+ p->micb_mv);
+ n += scnprintf(buffer + n, size - n, "v_ins_hu = %x(%dmv)%s\n",
+ p->v_ins_hu,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, p->v_ins_hu),
+ p->v_ins_hu == v_ins_hu_cur ? "*" : "");
+ n += scnprintf(buffer + n, size - n, "v_ins_h = %x(%dmv)%s\n",
+ p->v_ins_h, wcd9xxx_codec_sta_dce_v(mbhc, 1, p->v_ins_h),
+ p->v_ins_h == v_ins_h_cur ? "*" : "");
+ n += scnprintf(buffer + n, size - n, "adj_v_ins_hu = %x(%dmv)%s\n",
+ p->adj_v_ins_hu,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, p->adj_v_ins_hu),
+ p->adj_v_ins_hu == v_ins_hu_cur ? "*" : "");
+ n += scnprintf(buffer + n, size - n, "adj_v_ins_h = %x(%dmv)%s\n",
+ p->adj_v_ins_h,
+ wcd9xxx_codec_sta_dce_v(mbhc, 1, p->adj_v_ins_h),
+ p->adj_v_ins_h == v_ins_h_cur ? "*" : "");
+ n += scnprintf(buffer + n, size - n, "v_b1_hu = %x(%dmv)\n",
+ p->v_b1_hu,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, p->v_b1_hu));
+ n += scnprintf(buffer + n, size - n, "v_b1_h = %x(%dmv)\n",
+ p->v_b1_h, wcd9xxx_codec_sta_dce_v(mbhc, 1, p->v_b1_h));
+ n += scnprintf(buffer + n, size - n, "v_b1_huc = %x(%dmv)\n",
+ p->v_b1_huc,
+ wcd9xxx_codec_sta_dce_v(mbhc, 1, p->v_b1_huc));
+ n += scnprintf(buffer + n, size - n, "v_brh = %x(%dmv)\n",
+ p->v_brh, wcd9xxx_codec_sta_dce_v(mbhc, 1, p->v_brh));
+ n += scnprintf(buffer + n, size - n, "v_brl = %x(%dmv)\n", p->v_brl,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, p->v_brl));
+ n += scnprintf(buffer + n, size - n, "v_no_mic = %x(%dmv)\n",
+ p->v_no_mic,
+ wcd9xxx_codec_sta_dce_v(mbhc, 0, p->v_no_mic));
+ n += scnprintf(buffer + n, size - n, "v_inval_ins_low = %d\n",
+ p->v_inval_ins_low);
+ n += scnprintf(buffer + n, size - n, "v_inval_ins_high = %d\n",
+ p->v_inval_ins_high);
+ n += scnprintf(buffer + n, size - n, "Insert detect insert = %d\n",
+ !wcd9xxx_swch_level_remove(mbhc));
+ buffer[n] = 0;
+
+ return simple_read_from_buffer(buf, count, pos, buffer, n);
+}
+
+static int codec_debug_open(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t codec_debug_write(struct file *filp,
+ const char __user *ubuf, size_t cnt,
+ loff_t *ppos)
+{
+ char lbuf[32];
+ char *buf;
+ int rc;
+ struct wcd9xxx_mbhc *mbhc = filp->private_data;
+
+ if (cnt > sizeof(lbuf) - 1)
+ return -EINVAL;
+
+ rc = copy_from_user(lbuf, ubuf, cnt);
+ if (rc)
+ return -EFAULT;
+
+ lbuf[cnt] = '\0';
+ buf = (char *)lbuf;
+ mbhc->no_mic_headset_override = (*strsep(&buf, " ") == '0') ?
+ false : true;
+ return rc;
+}
+
+static const struct file_operations mbhc_trrs_debug_ops = {
+ .open = codec_debug_open,
+ .write = codec_debug_write,
+};
+
+static const struct file_operations mbhc_debug_ops = {
+ .open = codec_debug_open,
+ .read = codec_mbhc_debug_read,
+};
+
+static void wcd9xxx_init_debugfs(struct wcd9xxx_mbhc *mbhc)
+{
+ mbhc->debugfs_poke =
+ debugfs_create_file("TRRS", S_IFREG | S_IRUGO, NULL, mbhc,
+ &mbhc_trrs_debug_ops);
+ mbhc->debugfs_mbhc =
+ debugfs_create_file("wcd9xxx_mbhc", S_IFREG | S_IRUGO,
+ NULL, mbhc, &mbhc_debug_ops);
+}
+
+static void wcd9xxx_cleanup_debugfs(struct wcd9xxx_mbhc *mbhc)
+{
+ debugfs_remove(mbhc->debugfs_poke);
+ debugfs_remove(mbhc->debugfs_mbhc);
+}
+#else
+static void wcd9xxx_init_debugfs(struct wcd9xxx_mbhc *mbhc)
+{
+}
+
+static void wcd9xxx_cleanup_debugfs(struct wcd9xxx_mbhc *mbhc)
+{
+}
+#endif
+
+int wcd9xxx_mbhc_start(struct wcd9xxx_mbhc *mbhc,
+ struct wcd9xxx_mbhc_config *mbhc_cfg)
+{
+ int rc = 0;
+ struct snd_soc_codec *codec = mbhc->codec;
+
+ pr_debug("%s: enter\n", __func__);
+
+ if (!codec) {
+ pr_err("%s: no codec\n", __func__);
+ return -EINVAL;
+ }
+
+ if (mbhc_cfg->mclk_rate != MCLK_RATE_12288KHZ &&
+ mbhc_cfg->mclk_rate != MCLK_RATE_9600KHZ) {
+ pr_err("Error: unsupported clock rate %d\n",
+ mbhc_cfg->mclk_rate);
+ return -EINVAL;
+ }
+
+ /* Save mbhc config */
+ mbhc->mbhc_cfg = mbhc_cfg;
+
+ /* Get HW specific mbhc registers' address */
+ wcd9xxx_get_mbhc_micbias_regs(mbhc, &mbhc->mbhc_bias_regs);
+
+ /* Put CFILT in fast mode by default */
+ snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl,
+ 0x40, WCD9XXX_CFILT_FAST_MODE);
+
+ if (!mbhc->mbhc_cfg->read_fw_bin)
+ rc = wcd9xxx_init_and_calibrate(mbhc);
+ else
+ schedule_delayed_work(&mbhc->mbhc_firmware_dwork,
+ usecs_to_jiffies(FW_READ_TIMEOUT));
+
+ pr_debug("%s: leave %d\n", __func__, rc);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(wcd9xxx_mbhc_start);
+
+static enum wcd9xxx_micbias_num
+wcd9xxx_event_to_micbias(const enum wcd9xxx_notify_event event)
+{
+ enum wcd9xxx_micbias_num ret;
+ switch (event) {
+ case WCD9XXX_EVENT_PRE_MICBIAS_1_ON:
+ ret = MBHC_MICBIAS1;
+ case WCD9XXX_EVENT_PRE_MICBIAS_2_ON:
+ ret = MBHC_MICBIAS2;
+ case WCD9XXX_EVENT_PRE_MICBIAS_3_ON:
+ ret = MBHC_MICBIAS3;
+ case WCD9XXX_EVENT_PRE_MICBIAS_4_ON:
+ ret = MBHC_MICBIAS4;
+ default:
+ ret = MBHC_MICBIAS_INVALID;
+ }
+ return ret;
+}
+
+static int wcd9xxx_event_to_cfilt(const enum wcd9xxx_notify_event event)
+{
+ int ret;
+ switch (event) {
+ case WCD9XXX_EVENT_PRE_CFILT_1_OFF:
+ case WCD9XXX_EVENT_POST_CFILT_1_OFF:
+ case WCD9XXX_EVENT_PRE_CFILT_1_ON:
+ case WCD9XXX_EVENT_POST_CFILT_1_ON:
+ ret = WCD9XXX_CFILT1_SEL;
+ break;
+ case WCD9XXX_EVENT_PRE_CFILT_2_OFF:
+ case WCD9XXX_EVENT_POST_CFILT_2_OFF:
+ case WCD9XXX_EVENT_PRE_CFILT_2_ON:
+ case WCD9XXX_EVENT_POST_CFILT_2_ON:
+ ret = WCD9XXX_CFILT2_SEL;
+ break;
+ case WCD9XXX_EVENT_PRE_CFILT_3_OFF:
+ case WCD9XXX_EVENT_POST_CFILT_3_OFF:
+ case WCD9XXX_EVENT_PRE_CFILT_3_ON:
+ case WCD9XXX_EVENT_POST_CFILT_3_ON:
+ ret = WCD9XXX_CFILT3_SEL;
+ break;
+ default:
+ ret = -1;
+ }
+ return ret;
+}
+
+static int wcd9xxx_get_mbhc_cfilt_sel(struct wcd9xxx_mbhc *mbhc)
+{
+ int cfilt;
+ const struct wcd9xxx_pdata *pdata = mbhc->resmgr->pdata;
+
+ switch (mbhc->mbhc_cfg->micbias) {
+ case MBHC_MICBIAS1:
+ cfilt = pdata->micbias.bias1_cfilt_sel;
+ break;
+ case MBHC_MICBIAS2:
+ cfilt = pdata->micbias.bias2_cfilt_sel;
+ break;
+ case MBHC_MICBIAS3:
+ cfilt = pdata->micbias.bias3_cfilt_sel;
+ break;
+ case MBHC_MICBIAS4:
+ cfilt = pdata->micbias.bias4_cfilt_sel;
+ break;
+ default:
+ cfilt = MBHC_MICBIAS_INVALID;
+ break;
+ }
+ return cfilt;
+}
+
+static int wcd9xxx_event_notify(struct notifier_block *self, unsigned long val,
+ void *data)
+{
+ int ret = 0;
+ struct wcd9xxx_mbhc *mbhc = ((struct wcd9xxx_resmgr *)data)->mbhc;
+ struct snd_soc_codec *codec = mbhc->codec;
+ enum wcd9xxx_notify_event event = (enum wcd9xxx_notify_event)val;
+
+ pr_debug("%s: enter event %s(%d)\n", __func__,
+ wcd9xxx_get_event_string(event), event);
+
+ switch (event) {
+ /* MICBIAS usage change */
+ case WCD9XXX_EVENT_PRE_MICBIAS_1_ON:
+ case WCD9XXX_EVENT_PRE_MICBIAS_2_ON:
+ case WCD9XXX_EVENT_PRE_MICBIAS_3_ON:
+ case WCD9XXX_EVENT_PRE_MICBIAS_4_ON:
+ if (mbhc->mbhc_cfg->micbias == wcd9xxx_event_to_micbias(event))
+ wcd9xxx_switch_micbias(mbhc, 0);
+ break;
+ case WCD9XXX_EVENT_POST_MICBIAS_1_ON:
+ case WCD9XXX_EVENT_POST_MICBIAS_2_ON:
+ case WCD9XXX_EVENT_POST_MICBIAS_3_ON:
+ case WCD9XXX_EVENT_POST_MICBIAS_4_ON:
+ if (mbhc->mbhc_cfg->micbias ==
+ wcd9xxx_event_to_micbias(event) &&
+ wcd9xxx_mbhc_polling(mbhc)) {
+ /* if polling is on, restart it */
+ wcd9xxx_pause_hs_polling(mbhc);
+ wcd9xxx_start_hs_polling(mbhc);
+ }
+ break;
+ case WCD9XXX_EVENT_POST_MICBIAS_1_OFF:
+ case WCD9XXX_EVENT_POST_MICBIAS_2_OFF:
+ case WCD9XXX_EVENT_POST_MICBIAS_3_OFF:
+ case WCD9XXX_EVENT_POST_MICBIAS_4_OFF:
+ if (mbhc->mbhc_cfg->micbias ==
+ wcd9xxx_event_to_micbias(event) &&
+ wcd9xxx_is_hph_pa_on(codec))
+ wcd9xxx_switch_micbias(mbhc, 1);
+ break;
+ /* PA usage change */
+ case WCD9XXX_EVENT_PRE_HPHL_PA_ON:
+ if (!(snd_soc_read(codec, mbhc->mbhc_bias_regs.ctl_reg & 0x80)))
+ /* if micbias is enabled, switch to vddio */
+ wcd9xxx_switch_micbias(mbhc, 1);
+ break;
+ case WCD9XXX_EVENT_PRE_HPHR_PA_ON:
+ /* Not used now */
+ break;
+ case WCD9XXX_EVENT_POST_HPHL_PA_OFF:
+ /* if HPH PAs are off, report OCP and switch back to CFILT */
+ clear_bit(WCD9XXX_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state);
+ clear_bit(WCD9XXX_HPHL_DAC_OFF_ACK, &mbhc->hph_pa_dac_state);
+ if (mbhc->hph_status & SND_JACK_OC_HPHL)
+ hphlocp_off_report(mbhc, SND_JACK_OC_HPHL);
+ wcd9xxx_switch_micbias(mbhc, 0);
+ break;
+ case WCD9XXX_EVENT_POST_HPHR_PA_OFF:
+ /* if HPH PAs are off, report OCP and switch back to CFILT */
+ clear_bit(WCD9XXX_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state);
+ clear_bit(WCD9XXX_HPHR_DAC_OFF_ACK, &mbhc->hph_pa_dac_state);
+ if (mbhc->hph_status & SND_JACK_OC_HPHR)
+ hphrocp_off_report(mbhc, SND_JACK_OC_HPHL);
+ wcd9xxx_switch_micbias(mbhc, 0);
+ break;
+ /* Clock usage change */
+ case WCD9XXX_EVENT_PRE_MCLK_ON:
+ break;
+ case WCD9XXX_EVENT_POST_MCLK_ON:
+ /* Change to lower TxAAF frequency */
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_COM_BIAS, 1 << 4,
+ 1 << 4);
+ /* Re-calibrate clock rate dependent values */
+ wcd9xxx_update_mbhc_clk_rate(mbhc, mbhc->mbhc_cfg->mclk_rate);
+ /* If clock source changes, stop and restart polling */
+ if (wcd9xxx_mbhc_polling(mbhc)) {
+ wcd9xxx_calibrate_hs_polling(mbhc);
+ wcd9xxx_start_hs_polling(mbhc);
+ }
+ break;
+ case WCD9XXX_EVENT_PRE_MCLK_OFF:
+ /* If clock source changes, stop and restart polling */
+ if (wcd9xxx_mbhc_polling(mbhc))
+ wcd9xxx_pause_hs_polling(mbhc);
+ break;
+ case WCD9XXX_EVENT_POST_MCLK_OFF:
+ break;
+ case WCD9XXX_EVENT_PRE_RCO_ON:
+ break;
+ case WCD9XXX_EVENT_POST_RCO_ON:
+ /* Change to higher TxAAF frequency */
+ snd_soc_update_bits(codec, WCD9XXX_A_TX_COM_BIAS, 1 << 4,
+ 0 << 4);
+ /* Re-calibrate clock rate dependent values */
+ wcd9xxx_update_mbhc_clk_rate(mbhc, WCD9XXX_RCO_CLK_RATE);
+ /* If clock source changes, stop and restart polling */
+ if (wcd9xxx_mbhc_polling(mbhc)) {
+ wcd9xxx_calibrate_hs_polling(mbhc);
+ wcd9xxx_start_hs_polling(mbhc);
+ }
+ break;
+ case WCD9XXX_EVENT_PRE_RCO_OFF:
+ /* If clock source changes, stop and restart polling */
+ if (wcd9xxx_mbhc_polling(mbhc))
+ wcd9xxx_pause_hs_polling(mbhc);
+ break;
+ case WCD9XXX_EVENT_POST_RCO_OFF:
+ break;
+ /* CFILT usage change */
+ case WCD9XXX_EVENT_PRE_CFILT_1_ON:
+ case WCD9XXX_EVENT_PRE_CFILT_2_ON:
+ case WCD9XXX_EVENT_PRE_CFILT_3_ON:
+ if (wcd9xxx_get_mbhc_cfilt_sel(mbhc) ==
+ wcd9xxx_event_to_cfilt(event))
+ /*
+ * Switch CFILT to slow mode if MBHC CFILT is being
+ * used.
+ */
+ wcd9xxx_codec_switch_cfilt_mode(mbhc, false);
+ break;
+ case WCD9XXX_EVENT_POST_CFILT_1_OFF:
+ case WCD9XXX_EVENT_POST_CFILT_2_OFF:
+ case WCD9XXX_EVENT_POST_CFILT_3_OFF:
+ if (wcd9xxx_get_mbhc_cfilt_sel(mbhc) ==
+ wcd9xxx_event_to_cfilt(event))
+ /*
+ * Switch CFILT to fast mode if MBHC CFILT is not
+ * used anymore.
+ */
+ wcd9xxx_codec_switch_cfilt_mode(mbhc, true);
+ break;
+ /* System resume */
+ case WCD9XXX_EVENT_POST_RESUME:
+ mbhc->mbhc_last_resume = jiffies;
+ break;
+ /* BG mode chage */
+ case WCD9XXX_EVENT_PRE_BG_OFF:
+ case WCD9XXX_EVENT_POST_BG_OFF:
+ case WCD9XXX_EVENT_PRE_BG_AUDIO_ON:
+ case WCD9XXX_EVENT_POST_BG_AUDIO_ON:
+ case WCD9XXX_EVENT_PRE_BG_MBHC_ON:
+ case WCD9XXX_EVENT_POST_BG_MBHC_ON:
+ /* Not used for now */
+ break;
+ default:
+ WARN(1, "Unknown event %d\n", event);
+ ret = -EINVAL;
+ }
+
+ pr_debug("%s: leave\n", __func__);
+
+ return 0;
+}
+
+/*
+ * wcd9xxx_mbhc_init : initialize MBHC internal structures.
+ *
+ * NOTE: mbhc->mbhc_cfg is not YET configure so shouldn't be used
+ */
+int wcd9xxx_mbhc_init(struct wcd9xxx_mbhc *mbhc, struct wcd9xxx_resmgr *resmgr,
+ struct snd_soc_codec *codec)
+{
+ int ret;
+ void *core;
+
+ pr_debug("%s: enter\n", __func__);
+ memset(&mbhc->mbhc_bias_regs, 0, sizeof(struct mbhc_micbias_regs));
+ memset(&mbhc->mbhc_data, 0, sizeof(struct mbhc_internal_cal_data));
+
+ mbhc->mbhc_data.t_sta_dce = DEFAULT_DCE_STA_WAIT;
+ mbhc->mbhc_data.t_dce = DEFAULT_DCE_WAIT;
+ mbhc->mbhc_data.t_sta = DEFAULT_STA_WAIT;
+ mbhc->mbhc_micbias_switched = false;
+ mbhc->polling_active = false;
+ mbhc->mbhc_state = MBHC_STATE_NONE;
+ mbhc->in_swch_irq_handler = false;
+ mbhc->current_plug = PLUG_TYPE_NONE;
+ mbhc->lpi_enabled = false;
+ mbhc->no_mic_headset_override = false;
+ mbhc->mbhc_last_resume = 0;
+ mbhc->codec = codec;
+ mbhc->resmgr = resmgr;
+ mbhc->resmgr->mbhc = mbhc;
+
+ ret = snd_soc_jack_new(codec, "Headset Jack", WCD9XXX_JACK_MASK,
+ &mbhc->headset_jack);
+ if (ret) {
+ pr_err("%s: Failed to create new jack\n", __func__);
+ return ret;
+ }
+
+ ret = snd_soc_jack_new(codec, "Button Jack", WCD9XXX_JACK_BUTTON_MASK,
+ &mbhc->button_jack);
+ if (ret) {
+ pr_err("Failed to create new jack\n");
+ return ret;
+ }
+
+ mbhc->mbhc_cfg = kzalloc(sizeof(*mbhc->mbhc_cfg), GFP_KERNEL);
+ if (!mbhc->mbhc_cfg)
+ return -ENOMEM;
+
+ INIT_DELAYED_WORK(&mbhc->mbhc_firmware_dwork, wcd9xxx_mbhc_fw_read);
+ INIT_DELAYED_WORK(&mbhc->mbhc_btn_dwork, wcd9xxx_btn_lpress_fn);
+ INIT_DELAYED_WORK(&mbhc->mbhc_insert_dwork, wcd9xxx_mbhc_insert_work);
+
+ /* Register event notifier */
+ mbhc->nblock.notifier_call = wcd9xxx_event_notify;
+ ret = wcd9xxx_resmgr_register_notifier(mbhc->resmgr, &mbhc->nblock);
+ if (ret) {
+ pr_err("%s: Failed to register notifier %d\n", __func__, ret);
+ return ret;
+ }
+
+ wcd9xxx_init_debugfs(mbhc);
+
+ core = mbhc->resmgr->core;
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_MBHC_INSERTION,
+ wcd9xxx_hs_insert_irq,
+ "Headset insert detect", mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_MBHC_INSERTION);
+ goto err_insert_irq;
+ }
+ wcd9xxx_disable_irq(core, WCD9XXX_IRQ_MBHC_INSERTION);
+
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_MBHC_REMOVAL,
+ wcd9xxx_hs_remove_irq,
+ "Headset remove detect", mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_MBHC_REMOVAL);
+ goto err_remove_irq;
+ }
+
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_MBHC_POTENTIAL,
+ wcd9xxx_dce_handler, "DC Estimation detect",
+ mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_MBHC_POTENTIAL);
+ goto err_potential_irq;
+ }
+
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_MBHC_RELEASE,
+ wcd9xxx_release_handler,
+ "Button Release detect", mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_MBHC_RELEASE);
+ goto err_release_irq;
+ }
+
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
+ wcd9xxx_hphl_ocp_irq, "HPH_L OCP detect",
+ mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
+ goto err_hphl_ocp_irq;
+ }
+ wcd9xxx_disable_irq(core, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
+
+ ret = wcd9xxx_request_irq(core, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
+ wcd9xxx_hphr_ocp_irq, "HPH_R OCP detect",
+ mbhc);
+ if (ret) {
+ pr_err("%s: Failed to request irq %d\n", __func__,
+ WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+ goto err_hphr_ocp_irq;
+ }
+ wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+
+ pr_debug("%s: leave ret %d\n", __func__, ret);
+ return ret;
+
+err_hphr_ocp_irq:
+ wcd9xxx_free_irq(core, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT, mbhc);
+err_hphl_ocp_irq:
+ wcd9xxx_free_irq(core, WCD9XXX_IRQ_MBHC_RELEASE, mbhc);
+err_release_irq:
+ wcd9xxx_free_irq(core, WCD9XXX_IRQ_MBHC_POTENTIAL, mbhc);
+err_potential_irq:
+ wcd9xxx_free_irq(core, WCD9XXX_IRQ_MBHC_REMOVAL, mbhc);
+err_remove_irq:
+ wcd9xxx_free_irq(core, WCD9XXX_IRQ_MBHC_INSERTION, mbhc);
+err_insert_irq:
+ wcd9xxx_resmgr_unregister_notifier(mbhc->resmgr, &mbhc->nblock);
+
+ pr_debug("%s: leave ret %d\n", __func__, ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wcd9xxx_mbhc_init);
+
+void wcd9xxx_mbhc_deinit(struct wcd9xxx_mbhc *mbhc)
+{
+ void *cdata = mbhc->codec->control_data;
+
+ wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_SLIMBUS, mbhc);
+ wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_RELEASE, mbhc);
+ wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_POTENTIAL, mbhc);
+ wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_REMOVAL, mbhc);
+ wcd9xxx_free_irq(cdata, WCD9XXX_IRQ_MBHC_INSERTION, mbhc);
+
+ if (mbhc->mbhc_fw)
+ release_firmware(mbhc->mbhc_fw);
+
+ wcd9xxx_resmgr_unregister_notifier(mbhc->resmgr, &mbhc->nblock);
+
+ wcd9xxx_cleanup_debugfs(mbhc);
+
+ kfree(mbhc->mbhc_cfg);
+}
+EXPORT_SYMBOL_GPL(wcd9xxx_mbhc_deinit);
+
+MODULE_DESCRIPTION("wcd9xxx MBHC module");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/wcd9xxx-mbhc.h b/sound/soc/codecs/wcd9xxx-mbhc.h
new file mode 100644
index 0000000..0934b5e
--- /dev/null
+++ b/sound/soc/codecs/wcd9xxx-mbhc.h
@@ -0,0 +1,314 @@
+/* Copyright (c) 2012, 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 __WCD9XXX_MBHC_H__
+#define __WCD9XXX_MBHC_H__
+
+#include "wcd9xxx-resmgr.h"
+
+#define WCD9XXX_CFILT_FAST_MODE 0x00
+#define WCD9XXX_CFILT_SLOW_MODE 0x40
+
+struct mbhc_micbias_regs {
+ u16 cfilt_val;
+ u16 cfilt_ctl;
+ u16 mbhc_reg;
+ u16 int_rbias;
+ u16 ctl_reg;
+ u8 cfilt_sel;
+};
+
+/* Data used by MBHC */
+struct mbhc_internal_cal_data {
+ u16 dce_z;
+ u16 dce_mb;
+ u16 sta_z;
+ u16 sta_mb;
+ u32 t_sta_dce;
+ u32 t_dce;
+ u32 t_sta;
+ u32 micb_mv;
+ u16 v_ins_hu;
+ u16 v_ins_h;
+ u16 v_b1_hu;
+ u16 v_b1_h;
+ u16 v_b1_huc;
+ u16 v_brh;
+ u16 v_brl;
+ u16 v_no_mic;
+ s16 adj_v_hs_max;
+ u16 adj_v_ins_hu;
+ u16 adj_v_ins_h;
+ s16 v_inval_ins_low;
+ s16 v_inval_ins_high;
+};
+
+enum wcd9xxx_mbhc_plug_type {
+ PLUG_TYPE_INVALID = -1,
+ PLUG_TYPE_NONE,
+ PLUG_TYPE_HEADSET,
+ PLUG_TYPE_HEADPHONE,
+ PLUG_TYPE_HIGH_HPH,
+ PLUG_TYPE_GND_MIC_SWAP,
+};
+
+enum wcd9xxx_micbias_num {
+ MBHC_MICBIAS_INVALID = -1,
+ MBHC_MICBIAS1,
+ MBHC_MICBIAS2,
+ MBHC_MICBIAS3,
+ MBHC_MICBIAS4,
+};
+
+enum wcd9xxx_mbhc_state {
+ MBHC_STATE_NONE = -1,
+ MBHC_STATE_POTENTIAL,
+ MBHC_STATE_POTENTIAL_RECOVERY,
+ MBHC_STATE_RELEASE,
+};
+
+enum wcd9xxx_mbhc_btn_det_mem {
+ MBHC_BTN_DET_V_BTN_LOW,
+ MBHC_BTN_DET_V_BTN_HIGH,
+ MBHC_BTN_DET_N_READY,
+ MBHC_BTN_DET_N_CIC,
+ MBHC_BTN_DET_GAIN
+};
+
+enum wcd9xxx_mbhc_clk_freq {
+ TAIKO_MCLK_12P2MHZ = 0,
+ TAIKO_MCLK_9P6MHZ,
+ TAIKO_NUM_CLK_FREQS,
+};
+
+struct wcd9xxx_mbhc_general_cfg {
+ u8 t_ldoh;
+ u8 t_bg_fast_settle;
+ u8 t_shutdown_plug_rem;
+ u8 mbhc_nsa;
+ u8 mbhc_navg;
+ u8 v_micbias_l;
+ u8 v_micbias;
+ u8 mbhc_reserved;
+ u16 settle_wait;
+ u16 t_micbias_rampup;
+ u16 t_micbias_rampdown;
+ u16 t_supply_bringup;
+} __packed;
+
+struct wcd9xxx_mbhc_plug_detect_cfg {
+ u32 mic_current;
+ u32 hph_current;
+ u16 t_mic_pid;
+ u16 t_ins_complete;
+ u16 t_ins_retry;
+ u16 v_removal_delta;
+ u8 micbias_slow_ramp;
+ u8 reserved0;
+ u8 reserved1;
+ u8 reserved2;
+} __packed;
+
+struct wcd9xxx_mbhc_plug_type_cfg {
+ u8 av_detect;
+ u8 mono_detect;
+ u8 num_ins_tries;
+ u8 reserved0;
+ s16 v_no_mic;
+ s16 v_av_min;
+ s16 v_av_max;
+ s16 v_hs_min;
+ s16 v_hs_max;
+ u16 reserved1;
+} __packed;
+
+struct wcd9xxx_mbhc_btn_detect_cfg {
+ s8 c[8];
+ u8 nc;
+ u8 n_meas;
+ u8 mbhc_nsc;
+ u8 n_btn_meas;
+ u8 n_btn_con;
+ u8 num_btn;
+ u8 reserved0;
+ u8 reserved1;
+ u16 t_poll;
+ u16 t_bounce_wait;
+ u16 t_rel_timeout;
+ s16 v_btn_press_delta_sta;
+ s16 v_btn_press_delta_cic;
+ u16 t_btn0_timeout;
+ s16 _v_btn_low[0]; /* v_btn_low[num_btn] */
+ s16 _v_btn_high[0]; /* v_btn_high[num_btn] */
+ u8 _n_ready[TAIKO_NUM_CLK_FREQS];
+ u8 _n_cic[TAIKO_NUM_CLK_FREQS];
+ u8 _gain[TAIKO_NUM_CLK_FREQS];
+} __packed;
+
+struct wcd9xxx_mbhc_imped_detect_cfg {
+ u8 _hs_imped_detect;
+ u8 _n_rload;
+ u8 _hph_keep_on;
+ u8 _repeat_rload_calc;
+ u16 _t_dac_ramp_time;
+ u16 _rhph_high;
+ u16 _rhph_low;
+ u16 _rload[0]; /* rload[n_rload] */
+ u16 _alpha[0]; /* alpha[n_rload] */
+ u16 _beta[3];
+} __packed;
+
+struct wcd9xxx_mbhc_config {
+ bool read_fw_bin;
+ /*
+ * void* calibration contains:
+ * struct wcd9xxx_mbhc_general_cfg generic;
+ * struct wcd9xxx_mbhc_plug_detect_cfg plug_det;
+ * struct wcd9xxx_mbhc_plug_type_cfg plug_type;
+ * struct wcd9xxx_mbhc_btn_detect_cfg btn_det;
+ * struct wcd9xxx_mbhc_imped_detect_cfg imped_det;
+ * Note: various size depends on btn_det->num_btn
+ */
+ void *calibration;
+ enum wcd9xxx_micbias_num micbias;
+ int (*mclk_cb_fn) (struct snd_soc_codec*, int, bool);
+ unsigned int mclk_rate;
+ unsigned int gpio;
+ unsigned int gpio_irq;
+ int gpio_level_insert;
+ bool insert_detect; /* codec has own MBHC_INSERT_DETECT */
+ /* swap_gnd_mic returns true if extern GND/MIC swap switch toggled */
+ bool (*swap_gnd_mic) (struct snd_soc_codec *);
+};
+
+struct wcd9xxx_mbhc {
+ bool polling_active;
+ /* Delayed work to report long button press */
+ struct delayed_work mbhc_btn_dwork;
+ int buttons_pressed;
+ enum wcd9xxx_mbhc_state mbhc_state;
+ struct wcd9xxx_mbhc_config *mbhc_cfg;
+
+ struct mbhc_internal_cal_data mbhc_data;
+
+ struct mbhc_micbias_regs mbhc_bias_regs;
+ bool mbhc_micbias_switched;
+
+ u32 hph_status; /* track headhpone status */
+ u8 hphlocp_cnt; /* headphone left ocp retry */
+ u8 hphrocp_cnt; /* headphone right ocp retry */
+
+ /* Work to perform MBHC Firmware Read */
+ struct delayed_work mbhc_firmware_dwork;
+ const struct firmware *mbhc_fw;
+
+ struct delayed_work mbhc_insert_dwork;
+
+ u8 current_plug;
+ struct work_struct correct_plug_swch;
+ /*
+ * Work to perform polling on microphone voltage
+ * in order to correct plug type once plug type
+ * is detected as headphone
+ */
+ struct work_struct correct_plug_noswch;
+ bool hs_detect_work_stop;
+
+ bool lpi_enabled; /* low power insertion detection */
+ bool in_swch_irq_handler;
+
+ struct wcd9xxx_resmgr *resmgr;
+ struct snd_soc_codec *codec;
+
+ bool no_mic_headset_override;
+
+ /* track PA/DAC state */
+ unsigned long hph_pa_dac_state;
+
+ unsigned long mbhc_last_resume; /* in jiffies */
+
+ bool insert_detect_level_insert;
+
+ struct snd_soc_jack headset_jack;
+ struct snd_soc_jack button_jack;
+
+ struct notifier_block nblock;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_poke;
+ struct dentry *debugfs_mbhc;
+#endif
+};
+
+#define WCD9XXX_MBHC_CAL_SIZE(buttons, rload) ( \
+ sizeof(enum wcd9xxx_micbias_num) + \
+ sizeof(struct wcd9xxx_mbhc_general_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_plug_detect_cfg) + \
+ ((sizeof(s16) + sizeof(s16)) * buttons) + \
+ sizeof(struct wcd9xxx_mbhc_plug_type_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_btn_detect_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_imped_detect_cfg) + \
+ ((sizeof(u16) + sizeof(u16)) * rload) \
+ )
+
+#define WCD9XXX_MBHC_CAL_GENERAL_PTR(cali) ( \
+ (struct wcd9xxx_mbhc_general_cfg *) cali)
+#define WCD9XXX_MBHC_CAL_PLUG_DET_PTR(cali) ( \
+ (struct wcd9xxx_mbhc_plug_detect_cfg *) \
+ &(WCD9XXX_MBHC_CAL_GENERAL_PTR(cali)[1]))
+#define WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(cali) ( \
+ (struct wcd9xxx_mbhc_plug_type_cfg *) \
+ &(WCD9XXX_MBHC_CAL_PLUG_DET_PTR(cali)[1]))
+#define WCD9XXX_MBHC_CAL_BTN_DET_PTR(cali) ( \
+ (struct wcd9xxx_mbhc_btn_detect_cfg *) \
+ &(WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(cali)[1]))
+#define WCD9XXX_MBHC_CAL_IMPED_DET_PTR(cali) ( \
+ (struct wcd9xxx_mbhc_imped_detect_cfg *) \
+ (((void *)&WCD9XXX_MBHC_CAL_BTN_DET_PTR(cali)[1]) + \
+ (WCD9XXX_MBHC_CAL_BTN_DET_PTR(cali)->num_btn * \
+ (sizeof(WCD9XXX_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_low[0]) + \
+ sizeof(WCD9XXX_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_high[0])))) \
+ )
+
+/* minimum size of calibration data assuming there is only one button and
+ * one rload.
+ */
+#define WCD9XXX_MBHC_CAL_MIN_SIZE ( \
+ sizeof(struct wcd9xxx_mbhc_general_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_plug_detect_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_plug_type_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_btn_detect_cfg) + \
+ sizeof(struct wcd9xxx_mbhc_imped_detect_cfg) + \
+ (sizeof(u16) * 2) \
+ )
+
+#define WCD9XXX_MBHC_CAL_BTN_SZ(cfg_ptr) ( \
+ sizeof(struct wcd9xxx_mbhc_btn_detect_cfg) + \
+ (cfg_ptr->num_btn * (sizeof(cfg_ptr->_v_btn_low[0]) + \
+ sizeof(cfg_ptr->_v_btn_high[0]))))
+
+#define WCD9XXX_MBHC_CAL_IMPED_MIN_SZ ( \
+ sizeof(struct wcd9xxx_mbhc_imped_detect_cfg) + sizeof(u16) * 2)
+
+#define WCD9XXX_MBHC_CAL_IMPED_SZ(cfg_ptr) ( \
+ sizeof(struct wcd9xxx_mbhc_imped_detect_cfg) + \
+ (cfg_ptr->_n_rload * \
+ (sizeof(cfg_ptr->_rload[0]) + sizeof(cfg_ptr->_alpha[0]))))
+
+int wcd9xxx_mbhc_start(struct wcd9xxx_mbhc *mbhc,
+ struct wcd9xxx_mbhc_config *mbhc_cfg);
+int wcd9xxx_mbhc_init(struct wcd9xxx_mbhc *mbhc, struct wcd9xxx_resmgr *resmgr,
+ struct snd_soc_codec *codec);
+void wcd9xxx_mbhc_deinit(struct wcd9xxx_mbhc *mbhc);
+void *wcd9xxx_mbhc_cal_btn_det_mp(
+ const struct wcd9xxx_mbhc_btn_detect_cfg *btn_det,
+ const enum wcd9xxx_mbhc_btn_det_mem mem);
+#endif /* __WCD9XXX_MBHC_H__ */
diff --git a/sound/soc/codecs/wcd9xxx-resmgr.c b/sound/soc/codecs/wcd9xxx-resmgr.c
new file mode 100644
index 0000000..5dfa41c
--- /dev/null
+++ b/sound/soc/codecs/wcd9xxx-resmgr.c
@@ -0,0 +1,654 @@
+/* Copyright (c) 2012, 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/module.h>
+#include <linux/init.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/printk.h>
+#include <linux/ratelimit.h>
+#include <linux/debugfs.h>
+#include <linux/mfd/wcd9xxx/core.h>
+#include <linux/mfd/wcd9xxx/wcd9xxx_registers.h>
+#include <linux/mfd/wcd9xxx/wcd9320_registers.h>
+#include <linux/mfd/wcd9xxx/pdata.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include "wcd9xxx-resmgr.h"
+
+static char wcd9xxx_event_string[][64] = {
+ "WCD9XXX_EVENT_INVALID",
+
+ "WCD9XXX_EVENT_PRE_RCO_ON",
+ "WCD9XXX_EVENT_POST_RCO_ON",
+ "WCD9XXX_EVENT_PRE_RCO_OFF",
+ "WCD9XXX_EVENT_POST_RCO_OFF",
+
+ "WCD9XXX_EVENT_PRE_MCLK_ON",
+ "WCD9XXX_EVENT_POST_MCLK_ON",
+ "WCD9XXX_EVENT_PRE_MCLK_OFF",
+ "WCD9XXX_EVENT_POST_MCLK_OFF",
+
+ "WCD9XXX_EVENT_PRE_BG_OFF",
+ "WCD9XXX_EVENT_POST_BG_OFF",
+ "WCD9XXX_EVENT_PRE_BG_AUDIO_ON",
+ "WCD9XXX_EVENT_POST_BG_AUDIO_ON",
+ "WCD9XXX_EVENT_PRE_BG_MBHC_ON",
+ "WCD9XXX_EVENT_POST_BG_MBHC_ON",
+
+ "WCD9XXX_EVENT_PRE_MICBIAS_1_OFF",
+ "WCD9XXX_EVENT_POST_MICBIAS_1_OFF",
+ "WCD9XXX_EVENT_PRE_MICBIAS_2_OFF",
+ "WCD9XXX_EVENT_POST_MICBIAS_2_OFF",
+ "WCD9XXX_EVENT_PRE_MICBIAS_3_OFF",
+ "WCD9XXX_EVENT_POST_MICBIAS_3_OFF",
+ "WCD9XXX_EVENT_PRE_MICBIAS_4_OFF",
+ "WCD9XXX_EVENT_POST_MICBIAS_4_OFF",
+ "WCD9XXX_EVENT_PRE_MICBIAS_1_ON",
+ "WCD9XXX_EVENT_POST_MICBIAS_1_ON",
+ "WCD9XXX_EVENT_PRE_MICBIAS_2_ON",
+ "WCD9XXX_EVENT_POST_MICBIAS_2_ON",
+ "WCD9XXX_EVENT_PRE_MICBIAS_3_ON",
+ "WCD9XXX_EVENT_POST_MICBIAS_3_ON",
+ "WCD9XXX_EVENT_PRE_MICBIAS_4_ON",
+ "WCD9XXX_EVENT_POST_MICBIAS_4_ON",
+
+ "WCD9XXX_EVENT_PRE_CFILT_1_OFF",
+ "WCD9XXX_EVENT_POST_CFILT_1_OFF",
+ "WCD9XXX_EVENT_PRE_CFILT_2_OFF",
+ "WCD9XXX_EVENT_POST_CFILT_2_OFF",
+ "WCD9XXX_EVENT_PRE_CFILT_3_OFF",
+ "WCD9XXX_EVENT_POST_CFILT_3_OFF",
+ "WCD9XXX_EVENT_PRE_CFILT_1_ON",
+ "WCD9XXX_EVENT_POST_CFILT_1_ON",
+ "WCD9XXX_EVENT_PRE_CFILT_2_ON",
+ "WCD9XXX_EVENT_POST_CFILT_2_ON",
+ "WCD9XXX_EVENT_PRE_CFILT_3_ON",
+ "WCD9XXX_EVENT_POST_CFILT_3_ON",
+
+ "WCD9XXX_EVENT_PRE_HPHL_PA_ON",
+ "WCD9XXX_EVENT_POST_HPHL_PA_OFF",
+ "WCD9XXX_EVENT_PRE_HPHR_PA_ON",
+ "WCD9XXX_EVENT_POST_HPHR_PA_OFF",
+
+ "WCD9XXX_EVENT_POST_RESUME",
+
+ "WCD9XXX_EVENT_LAST",
+};
+
+static enum wcd9xxx_clock_type wcd9xxx_save_clock(struct wcd9xxx_resmgr
+ *resmgr);
+static void wcd9xxx_restore_clock(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type);
+
+const char *wcd9xxx_get_event_string(enum wcd9xxx_notify_event type)
+{
+ return wcd9xxx_event_string[type];
+}
+
+void wcd9xxx_resmgr_notifier_call(struct wcd9xxx_resmgr *resmgr,
+ const enum wcd9xxx_notify_event e)
+{
+ pr_debug("%s: notifier call event %d\n", __func__, e);
+ blocking_notifier_call_chain(&resmgr->notifier, e, resmgr);
+}
+
+static void wcd9xxx_codec_disable_bg(struct wcd9xxx_resmgr *resmgr)
+{
+ /* Notify bg mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_BG_OFF);
+ /* Disable bg */
+ snd_soc_write(resmgr->codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x00);
+ usleep_range(100, 100);
+ /* Notify bg mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_POST_BG_OFF);
+}
+
+static void wcd9xxx_codec_enable_bg_audio(struct wcd9xxx_resmgr *resmgr)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ /* Notify bandgap mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_BG_AUDIO_ON);
+ /* Enable bg */
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x80, 0x80);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x04, 0x04);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x01, 0x01);
+ usleep_range(1000, 1000);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x80, 0x00);
+ /* Notify bandgap mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_POST_BG_AUDIO_ON);
+}
+
+static void wcd9xxx_enable_bg_mbhc(struct wcd9xxx_resmgr *resmgr)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ /* Notify bandgap mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_BG_MBHC_ON);
+
+ /*
+ * bandgap mode becomes fast,
+ * mclk should be off or clk buff source souldn't be VBG
+ * Let's turn off mclk always
+ */
+ WARN_ON(snd_soc_read(codec, WCD9XXX_A_CLK_BUFF_EN2) & (1 << 2));
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x2, 0x2);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x80, 0x80);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x4, 0x4);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x01, 0x01);
+ usleep_range(1000, 1000);
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x80, 0x00);
+
+ /* Notify bandgap mode change */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_POST_BG_MBHC_ON);
+}
+
+static void wcd9xxx_disable_bg(struct wcd9xxx_resmgr *resmgr)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+ snd_soc_write(codec, WCD9XXX_A_BIAS_CENTRAL_BG_CTL, 0x00);
+}
+
+static void wcd9xxx_disable_clock_block(struct wcd9xxx_resmgr *resmgr)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ pr_debug("%s: enter\n", __func__);
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+
+ /* Notify */
+ if (resmgr->clk_type == WCD9XXX_CLK_RCO)
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_RCO_OFF);
+ else
+ wcd9xxx_resmgr_notifier_call(resmgr,
+ WCD9XXX_EVENT_PRE_MCLK_OFF);
+ /* Disable clock */
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x04, 0x00);
+ usleep_range(50, 50);
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x02, 0x02);
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x05, 0x00);
+ usleep_range(50, 50);
+ /* Notify */
+ if (resmgr->clk_type == WCD9XXX_CLK_RCO)
+ wcd9xxx_resmgr_notifier_call(resmgr,
+ WCD9XXX_EVENT_POST_RCO_OFF);
+ else
+ wcd9xxx_resmgr_notifier_call(resmgr,
+ WCD9XXX_EVENT_POST_MCLK_OFF);
+ pr_debug("%s: leave\n", __func__);
+}
+
+/*
+ * wcd9xxx_resmgr_get_bandgap : Vote for bandgap ref
+ * choice : WCD9XXX_BANDGAP_AUDIO_MODE, WCD9XXX_BANDGAP_MBHC_MODE
+ */
+void wcd9xxx_resmgr_get_bandgap(struct wcd9xxx_resmgr *resmgr,
+ const enum wcd9xxx_bandgap_type choice)
+{
+ enum wcd9xxx_clock_type clock_save;
+
+ pr_debug("%s: enter, wants %d\n", __func__, choice);
+
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+ switch (choice) {
+ case WCD9XXX_BANDGAP_AUDIO_MODE:
+ resmgr->bg_audio_users++;
+ if (resmgr->bg_audio_users == 1 && resmgr->bg_mbhc_users) {
+ /*
+ * Current bg is MBHC mode, about to switch to
+ * audio mode.
+ */
+ WARN_ON(resmgr->bandgap_type !=
+ WCD9XXX_BANDGAP_MBHC_MODE);
+
+ /* BG mode can be changed only with clock off */
+ clock_save = wcd9xxx_save_clock(resmgr);
+ /* Swtich BG mode */
+ wcd9xxx_codec_disable_bg(resmgr);
+ wcd9xxx_codec_enable_bg_audio(resmgr);
+ /* restore clock */
+ wcd9xxx_restore_clock(resmgr, clock_save);
+ } else if (resmgr->bg_audio_users == 1) {
+ /* currently off, just enable it */
+ WARN_ON(resmgr->bandgap_type != WCD9XXX_BANDGAP_OFF);
+ wcd9xxx_codec_enable_bg_audio(resmgr);
+ }
+ resmgr->bandgap_type = WCD9XXX_BANDGAP_AUDIO_MODE;
+ break;
+ case WCD9XXX_BANDGAP_MBHC_MODE:
+ resmgr->bg_mbhc_users++;
+ if (resmgr->bandgap_type == WCD9XXX_BANDGAP_MBHC_MODE ||
+ resmgr->bandgap_type == WCD9XXX_BANDGAP_AUDIO_MODE)
+ /* do nothing */
+ break;
+
+ /* bg mode can be changed only with clock off */
+ clock_save = wcd9xxx_save_clock(resmgr);
+ /* enable bg with MBHC mode */
+ wcd9xxx_enable_bg_mbhc(resmgr);
+ /* restore clock */
+ wcd9xxx_restore_clock(resmgr, clock_save);
+ /* save current mode */
+ resmgr->bandgap_type = WCD9XXX_BANDGAP_MBHC_MODE;
+ break;
+ default:
+ pr_err("%s: Error, Invalid bandgap settings\n", __func__);
+ break;
+ }
+
+ pr_debug("%s: bg users audio %d, mbhc %d\n", __func__,
+ resmgr->bg_audio_users, resmgr->bg_mbhc_users);
+}
+
+/*
+ * wcd9xxx_resmgr_put_bandgap : Unvote bandgap ref that has been voted
+ * choice : WCD9XXX_BANDGAP_AUDIO_MODE, WCD9XXX_BANDGAP_MBHC_MODE
+ */
+void wcd9xxx_resmgr_put_bandgap(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_bandgap_type choice)
+{
+ enum wcd9xxx_clock_type clock_save;
+
+ pr_debug("%s: enter choice %d\n", __func__, choice);
+
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+ switch (choice) {
+ case WCD9XXX_BANDGAP_AUDIO_MODE:
+ if (--resmgr->bg_audio_users == 0) {
+ if (resmgr->bg_mbhc_users) {
+ /* bg mode can be changed only with clock off */
+ clock_save = wcd9xxx_save_clock(resmgr);
+ /* switch to MBHC mode */
+ wcd9xxx_enable_bg_mbhc(resmgr);
+ /* restore clock */
+ wcd9xxx_restore_clock(resmgr, clock_save);
+ resmgr->bandgap_type =
+ WCD9XXX_BANDGAP_MBHC_MODE;
+ } else {
+ /* turn off */
+ wcd9xxx_disable_bg(resmgr);
+ resmgr->bandgap_type = WCD9XXX_BANDGAP_OFF;
+ }
+ }
+ break;
+ case WCD9XXX_BANDGAP_MBHC_MODE:
+ WARN(resmgr->bandgap_type == WCD9XXX_BANDGAP_OFF,
+ "Unexpected bandgap type %d\n", resmgr->bandgap_type);
+ if (--resmgr->bg_mbhc_users == 0 &&
+ resmgr->bandgap_type == WCD9XXX_BANDGAP_MBHC_MODE) {
+ wcd9xxx_disable_bg(resmgr);
+ resmgr->bandgap_type = WCD9XXX_BANDGAP_OFF;
+ }
+ break;
+ default:
+ pr_err("%s: Error, Invalid bandgap settings\n", __func__);
+ break;
+ }
+
+ pr_debug("%s: bg users audio %d, mbhc %d\n", __func__,
+ resmgr->bg_audio_users, resmgr->bg_mbhc_users);
+}
+
+void wcd9xxx_resmgr_enable_rx_bias(struct wcd9xxx_resmgr *resmgr, u32 enable)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ if (enable) {
+ resmgr->rx_bias_count++;
+ if (resmgr->rx_bias_count == 1)
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_COM_BIAS,
+ 0x80, 0x80);
+ } else {
+ resmgr->rx_bias_count--;
+ if (!resmgr->rx_bias_count)
+ snd_soc_update_bits(codec, WCD9XXX_A_RX_COM_BIAS,
+ 0x80, 0x00);
+ }
+}
+
+int wcd9xxx_resmgr_enable_config_mode(struct snd_soc_codec *codec, int enable)
+{
+ pr_debug("%s: enable = %d\n", __func__, enable);
+ if (enable) {
+ snd_soc_update_bits(codec, WCD9XXX_A_RC_OSC_FREQ, 0x10, 0);
+ /* bandgap mode to fast */
+ snd_soc_write(codec, WCD9XXX_A_BIAS_OSC_BG_CTL, 0x17);
+ usleep_range(5, 5);
+ snd_soc_update_bits(codec, WCD9XXX_A_RC_OSC_FREQ, 0x80, 0x80);
+ snd_soc_update_bits(codec, WCD9XXX_A_RC_OSC_TEST, 0x80, 0x80);
+ usleep_range(10, 10);
+ snd_soc_update_bits(codec, WCD9XXX_A_RC_OSC_TEST, 0x80, 0);
+ usleep_range(10000, 10000);
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x08, 0x08);
+ } else {
+ snd_soc_update_bits(codec, WCD9XXX_A_BIAS_OSC_BG_CTL, 0x1, 0);
+ snd_soc_update_bits(codec, WCD9XXX_A_RC_OSC_FREQ, 0x80, 0);
+ /* clk source to ext clk and clk buff ref to VBG */
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x0C, 0x04);
+ }
+
+ return 0;
+}
+
+static void wcd9xxx_enable_clock_block(struct wcd9xxx_resmgr *resmgr,
+ int config_mode)
+{
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ pr_debug("%s: config_mode = %d\n", __func__, config_mode);
+ /* transit to RCO requires mclk off */
+ WARN_ON(snd_soc_read(codec, WCD9XXX_A_CLK_BUFF_EN2) & (1 << 2));
+ if (config_mode) {
+ /* Notify */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_RCO_ON);
+ /* enable RCO and switch to it */
+ wcd9xxx_resmgr_enable_config_mode(codec, 1);
+ snd_soc_write(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x02);
+ usleep_range(1000, 1000);
+ } else {
+ /* Notify */
+ wcd9xxx_resmgr_notifier_call(resmgr, WCD9XXX_EVENT_PRE_MCLK_ON);
+ /* switch to MCLK */
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x08, 0x00);
+ /* if RCO is enabled, switch from it */
+ if (snd_soc_read(codec, WCD9XXX_A_RC_OSC_FREQ) & 0x80) {
+ snd_soc_write(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x02);
+ wcd9xxx_resmgr_enable_config_mode(codec, 0);
+ }
+ }
+
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x01, 0x01);
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x02, 0x00);
+
+ /* on MCLK */
+ snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN2, 0x04, 0x04);
+ snd_soc_update_bits(codec, WCD9XXX_A_CDC_CLK_MCLK_CTL, 0x01, 0x01);
+ usleep_range(50, 50);
+
+ /* Notify */
+ if (config_mode)
+ wcd9xxx_resmgr_notifier_call(resmgr,
+ WCD9XXX_EVENT_POST_RCO_ON);
+ else
+ wcd9xxx_resmgr_notifier_call(resmgr,
+ WCD9XXX_EVENT_POST_MCLK_ON);
+}
+
+/*
+ * disable clock and return previous clock state
+ */
+static enum wcd9xxx_clock_type wcd9xxx_save_clock(struct wcd9xxx_resmgr *resmgr)
+{
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+ if (resmgr->clk_type != WCD9XXX_CLK_OFF)
+ wcd9xxx_disable_clock_block(resmgr);
+ return resmgr->clk_type != WCD9XXX_CLK_OFF;
+}
+
+static void wcd9xxx_restore_clock(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type)
+{
+ if (type != WCD9XXX_CLK_OFF)
+ wcd9xxx_enable_clock_block(resmgr, type == WCD9XXX_CLK_RCO);
+}
+
+void wcd9xxx_resmgr_get_clk_block(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type)
+{
+ pr_debug("%s: current %d, requested %d, rco_users %d, mclk_users %d\n",
+ __func__, resmgr->clk_type, type,
+ resmgr->clk_rco_users, resmgr->clk_mclk_users);
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+ switch (type) {
+ case WCD9XXX_CLK_RCO:
+ if (++resmgr->clk_rco_users == 1 &&
+ resmgr->clk_type == WCD9XXX_CLK_OFF) {
+ /* enable RCO and switch to it */
+ wcd9xxx_enable_clock_block(resmgr, 1);
+ resmgr->clk_type = WCD9XXX_CLK_RCO;
+ }
+ break;
+ case WCD9XXX_CLK_MCLK:
+ if (++resmgr->clk_mclk_users == 1 &&
+ resmgr->clk_type == WCD9XXX_CLK_OFF) {
+ /* switch to MCLK */
+ wcd9xxx_enable_clock_block(resmgr, 0);
+ resmgr->clk_type = WCD9XXX_CLK_MCLK;
+ } else if (resmgr->clk_mclk_users == 1 &&
+ resmgr->clk_type == WCD9XXX_CLK_RCO) {
+ /* if RCO is enabled, switch from it */
+ WARN_ON(!(snd_soc_read(resmgr->codec,
+ WCD9XXX_A_RC_OSC_FREQ) & 0x80));
+ /* disable clock block */
+ wcd9xxx_disable_clock_block(resmgr);
+ /* switch to RCO */
+ wcd9xxx_enable_clock_block(resmgr, 0);
+ resmgr->clk_type = WCD9XXX_CLK_MCLK;
+ }
+ break;
+ default:
+ pr_err("%s: Error, Invalid clock get request %d\n", __func__,
+ type);
+ break;
+ }
+ pr_debug("%s: leave\n", __func__);
+}
+
+void wcd9xxx_resmgr_put_clk_block(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type)
+{
+ pr_debug("%s: current %d, put %d\n", __func__, resmgr->clk_type, type);
+
+ WCD9XXX_BCL_ASSERT_LOCKED(resmgr);
+ switch (type) {
+ case WCD9XXX_CLK_RCO:
+ if (--resmgr->clk_rco_users == 0 &&
+ resmgr->clk_type == WCD9XXX_CLK_RCO) {
+ wcd9xxx_disable_clock_block(resmgr);
+ resmgr->clk_type = WCD9XXX_CLK_OFF;
+ }
+ break;
+ case WCD9XXX_CLK_MCLK:
+ if (--resmgr->clk_mclk_users == 0 &&
+ resmgr->clk_rco_users == 0) {
+ wcd9xxx_disable_clock_block(resmgr);
+ resmgr->clk_type = WCD9XXX_CLK_OFF;
+ } else if (resmgr->clk_mclk_users == 0 &&
+ resmgr->clk_rco_users) {
+ /* disable clock */
+ wcd9xxx_disable_clock_block(resmgr);
+ /* switch to RCO */
+ wcd9xxx_enable_clock_block(resmgr, 1);
+ resmgr->clk_type = WCD9XXX_CLK_RCO;
+ }
+ break;
+ default:
+ pr_err("%s: Error, Invalid clock get request %d\n", __func__,
+ type);
+ break;
+ }
+ WARN_ON(resmgr->clk_rco_users < 0);
+ WARN_ON(resmgr->clk_mclk_users < 0);
+
+ pr_debug("%s: new rco_users %d, mclk_users %d\n", __func__,
+ resmgr->clk_rco_users, resmgr->clk_mclk_users);
+}
+
+static void wcd9xxx_resmgr_update_cfilt_usage(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_cfilt_sel cfilt_sel,
+ bool inc)
+{
+ u16 micb_cfilt_reg;
+ enum wcd9xxx_notify_event e_pre_on, e_post_off;
+ struct snd_soc_codec *codec = resmgr->codec;
+
+ switch (cfilt_sel) {
+ case WCD9XXX_CFILT1_SEL:
+ micb_cfilt_reg = WCD9XXX_A_MICB_CFILT_1_CTL;
+ e_pre_on = WCD9XXX_EVENT_PRE_CFILT_1_ON;
+ e_post_off = WCD9XXX_EVENT_POST_CFILT_1_OFF;
+ break;
+ case WCD9XXX_CFILT2_SEL:
+ micb_cfilt_reg = WCD9XXX_A_MICB_CFILT_2_CTL;
+ e_pre_on = WCD9XXX_EVENT_PRE_CFILT_2_ON;
+ e_post_off = WCD9XXX_EVENT_POST_CFILT_2_OFF;
+ break;
+ case WCD9XXX_CFILT3_SEL:
+ micb_cfilt_reg = WCD9XXX_A_MICB_CFILT_3_CTL;
+ e_pre_on = WCD9XXX_EVENT_PRE_CFILT_3_ON;
+ e_post_off = WCD9XXX_EVENT_POST_CFILT_3_OFF;
+ break;
+ default:
+ WARN(1, "Invalid CFILT selection %d\n", cfilt_sel);
+ return; /* should not happen */
+ }
+
+ if (inc) {
+ if ((resmgr->cfilt_users[cfilt_sel]++) == 0) {
+ /* Notify */
+ wcd9xxx_resmgr_notifier_call(resmgr, e_pre_on);
+ /* Enable CFILT */
+ snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0x80);
+ }
+ } else {
+ /*
+ * Check if count not zero, decrease
+ * then check if zero, go ahead disable cfilter
+ */
+ WARN(resmgr->cfilt_users[cfilt_sel] == 0,
+ "Invalid CFILT use count 0\n");
+ if ((--resmgr->cfilt_users[cfilt_sel]) == 0) {
+ /* Disable CFILT */
+ snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0);
+ /* Notify MBHC so MBHC can switch CFILT to fast mode */
+ wcd9xxx_resmgr_notifier_call(resmgr, e_post_off);
+ }
+ }
+}
+
+void wcd9xxx_resmgr_cfilt_get(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_cfilt_sel cfilt_sel)
+{
+ return wcd9xxx_resmgr_update_cfilt_usage(resmgr, cfilt_sel, true);
+}
+
+void wcd9xxx_resmgr_cfilt_put(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_cfilt_sel cfilt_sel)
+{
+ return wcd9xxx_resmgr_update_cfilt_usage(resmgr, cfilt_sel, false);
+}
+
+int wcd9xxx_resmgr_get_k_val(struct wcd9xxx_resmgr *resmgr,
+ unsigned int cfilt_mv)
+{
+ int rc = -EINVAL;
+ unsigned int ldoh_v = resmgr->pdata->micbias.ldoh_v;
+ unsigned min_mv, max_mv;
+
+ switch (ldoh_v) {
+ case WCD9XXX_LDOH_1P95_V:
+ min_mv = 160;
+ max_mv = 1800;
+ break;
+ case WCD9XXX_LDOH_2P35_V:
+ min_mv = 200;
+ max_mv = 2200;
+ break;
+ case WCD9XXX_LDOH_2P75_V:
+ min_mv = 240;
+ max_mv = 2600;
+ break;
+ case WCD9XXX_LDOH_3P0_V:
+ min_mv = 260;
+ max_mv = 2875;
+ break;
+ default:
+ goto done;
+ }
+
+ if (cfilt_mv < min_mv || cfilt_mv > max_mv)
+ goto done;
+
+ for (rc = 4; rc <= 44; rc++) {
+ min_mv = max_mv * (rc) / 44;
+ if (min_mv >= cfilt_mv) {
+ rc -= 4;
+ break;
+ }
+ }
+done:
+ return rc;
+}
+
+int wcd9xxx_resmgr_register_notifier(struct wcd9xxx_resmgr *resmgr,
+ struct notifier_block *nblock)
+{
+ return blocking_notifier_chain_register(&resmgr->notifier, nblock);
+}
+
+int wcd9xxx_resmgr_unregister_notifier(struct wcd9xxx_resmgr *resmgr,
+ struct notifier_block *nblock)
+{
+ return blocking_notifier_chain_unregister(&resmgr->notifier, nblock);
+}
+
+int wcd9xxx_resmgr_init(struct wcd9xxx_resmgr *resmgr,
+ struct snd_soc_codec *codec,
+ struct wcd9xxx *wcd9xxx,
+ struct wcd9xxx_pdata *pdata,
+ struct wcd9xxx_reg_address *reg_addr)
+{
+ WARN(ARRAY_SIZE(wcd9xxx_event_string) != WCD9XXX_EVENT_LAST + 1,
+ "Event string table isn't up to date!, %d != %d\n",
+ ARRAY_SIZE(wcd9xxx_event_string), WCD9XXX_EVENT_LAST + 1);
+
+ resmgr->bandgap_type = WCD9XXX_BANDGAP_OFF;
+ resmgr->codec = codec;
+ /* This gives access of core handle to lock/unlock suspend */
+ resmgr->core = wcd9xxx;
+ resmgr->pdata = pdata;
+ resmgr->reg_addr = reg_addr;
+
+ BLOCKING_INIT_NOTIFIER_HEAD(&resmgr->notifier);
+
+ mutex_init(&resmgr->codec_resource_lock);
+
+ return 0;
+}
+
+void wcd9xxx_resmgr_deinit(struct wcd9xxx_resmgr *resmgr)
+{
+ mutex_destroy(&resmgr->codec_resource_lock);
+}
+
+void wcd9xxx_resmgr_bcl_lock(struct wcd9xxx_resmgr *resmgr)
+{
+ mutex_lock(&resmgr->codec_resource_lock);
+}
+
+void wcd9xxx_resmgr_bcl_unlock(struct wcd9xxx_resmgr *resmgr)
+{
+ mutex_unlock(&resmgr->codec_resource_lock);
+}
+
+MODULE_DESCRIPTION("wcd9xxx resmgr module");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/wcd9xxx-resmgr.h b/sound/soc/codecs/wcd9xxx-resmgr.h
new file mode 100644
index 0000000..2d04102
--- /dev/null
+++ b/sound/soc/codecs/wcd9xxx-resmgr.h
@@ -0,0 +1,191 @@
+/* Copyright (c) 2012, 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 __WCD9XXX_COMMON_H__
+#define __WCD9XXX_COMMON_H__
+
+#include <linux/notifier.h>
+#include <linux/mfd/wcd9xxx/wcd9xxx_registers.h>
+
+enum wcd9xxx_bandgap_type {
+ WCD9XXX_BANDGAP_OFF,
+ WCD9XXX_BANDGAP_AUDIO_MODE,
+ WCD9XXX_BANDGAP_MBHC_MODE,
+};
+
+enum wcd9xxx_clock_type {
+ WCD9XXX_CLK_OFF,
+ WCD9XXX_CLK_RCO,
+ WCD9XXX_CLK_MCLK,
+};
+
+enum wcd9xxx_cfilt_sel {
+ WCD9XXX_CFILT1_SEL,
+ WCD9XXX_CFILT2_SEL,
+ WCD9XXX_CFILT3_SEL,
+ WCD9XXX_NUM_OF_CFILT,
+};
+
+struct wcd9xxx_reg_address {
+ u16 micb_4_ctl;
+ u16 micb_4_int_rbias;
+ u16 micb_4_mbhc;
+};
+
+enum wcd9xxx_notify_event {
+ WCD9XXX_EVENT_INVALID,
+
+ WCD9XXX_EVENT_PRE_RCO_ON,
+ WCD9XXX_EVENT_POST_RCO_ON,
+ WCD9XXX_EVENT_PRE_RCO_OFF,
+ WCD9XXX_EVENT_POST_RCO_OFF,
+
+ WCD9XXX_EVENT_PRE_MCLK_ON,
+ WCD9XXX_EVENT_POST_MCLK_ON,
+ WCD9XXX_EVENT_PRE_MCLK_OFF,
+ WCD9XXX_EVENT_POST_MCLK_OFF,
+
+ WCD9XXX_EVENT_PRE_BG_OFF,
+ WCD9XXX_EVENT_POST_BG_OFF,
+ WCD9XXX_EVENT_PRE_BG_AUDIO_ON,
+ WCD9XXX_EVENT_POST_BG_AUDIO_ON,
+ WCD9XXX_EVENT_PRE_BG_MBHC_ON,
+ WCD9XXX_EVENT_POST_BG_MBHC_ON,
+
+ WCD9XXX_EVENT_PRE_MICBIAS_1_OFF,
+ WCD9XXX_EVENT_POST_MICBIAS_1_OFF,
+ WCD9XXX_EVENT_PRE_MICBIAS_2_OFF,
+ WCD9XXX_EVENT_POST_MICBIAS_2_OFF,
+ WCD9XXX_EVENT_PRE_MICBIAS_3_OFF,
+ WCD9XXX_EVENT_POST_MICBIAS_3_OFF,
+ WCD9XXX_EVENT_PRE_MICBIAS_4_OFF,
+ WCD9XXX_EVENT_POST_MICBIAS_4_OFF,
+ WCD9XXX_EVENT_PRE_MICBIAS_1_ON,
+ WCD9XXX_EVENT_POST_MICBIAS_1_ON,
+ WCD9XXX_EVENT_PRE_MICBIAS_2_ON,
+ WCD9XXX_EVENT_POST_MICBIAS_2_ON,
+ WCD9XXX_EVENT_PRE_MICBIAS_3_ON,
+ WCD9XXX_EVENT_POST_MICBIAS_3_ON,
+ WCD9XXX_EVENT_PRE_MICBIAS_4_ON,
+ WCD9XXX_EVENT_POST_MICBIAS_4_ON,
+
+ WCD9XXX_EVENT_PRE_CFILT_1_OFF,
+ WCD9XXX_EVENT_POST_CFILT_1_OFF,
+ WCD9XXX_EVENT_PRE_CFILT_2_OFF,
+ WCD9XXX_EVENT_POST_CFILT_2_OFF,
+ WCD9XXX_EVENT_PRE_CFILT_3_OFF,
+ WCD9XXX_EVENT_POST_CFILT_3_OFF,
+ WCD9XXX_EVENT_PRE_CFILT_1_ON,
+ WCD9XXX_EVENT_POST_CFILT_1_ON,
+ WCD9XXX_EVENT_PRE_CFILT_2_ON,
+ WCD9XXX_EVENT_POST_CFILT_2_ON,
+ WCD9XXX_EVENT_PRE_CFILT_3_ON,
+ WCD9XXX_EVENT_POST_CFILT_3_ON,
+
+ WCD9XXX_EVENT_PRE_HPHL_PA_ON,
+ WCD9XXX_EVENT_POST_HPHL_PA_OFF,
+ WCD9XXX_EVENT_PRE_HPHR_PA_ON,
+ WCD9XXX_EVENT_POST_HPHR_PA_OFF,
+
+ WCD9XXX_EVENT_POST_RESUME,
+
+ WCD9XXX_EVENT_LAST,
+};
+
+struct wcd9xxx_resmgr {
+ struct snd_soc_codec *codec;
+ struct wcd9xxx *core;
+
+ u32 rx_bias_count;
+
+ enum wcd9xxx_bandgap_type bandgap_type;
+ u16 bg_audio_users;
+ u16 bg_mbhc_users;
+
+ enum wcd9xxx_clock_type clk_type;
+ u16 clk_rco_users;
+ u16 clk_mclk_users;
+
+ /* cfilt users per cfilts */
+ u16 cfilt_users[WCD9XXX_NUM_OF_CFILT];
+
+ struct wcd9xxx_reg_address *reg_addr;
+
+ struct wcd9xxx_pdata *pdata;
+
+ struct blocking_notifier_head notifier;
+ /* Notifier needs mbhc pointer with resmgr */
+ struct wcd9xxx_mbhc *mbhc;
+
+ /*
+ * Currently, only used for mbhc purpose, to protect
+ * concurrent execution of mbhc threaded irq handlers and
+ * kill race between DAPM and MBHC. But can serve as a
+ * general lock to protect codec resource
+ */
+ struct mutex codec_resource_lock;
+};
+
+int wcd9xxx_resmgr_init(struct wcd9xxx_resmgr *resmgr,
+ struct snd_soc_codec *codec,
+ struct wcd9xxx *wcd9xxx,
+ struct wcd9xxx_pdata *pdata,
+ struct wcd9xxx_reg_address *reg_addr);
+void wcd9xxx_resmgr_deinit(struct wcd9xxx_resmgr *resmgr);
+
+int wcd9xxx_resmgr_enable_config_mode(struct snd_soc_codec *codec, int enable);
+
+void wcd9xxx_resmgr_enable_rx_bias(struct wcd9xxx_resmgr *resmgr, u32 enable);
+void wcd9xxx_resmgr_get_clk_block(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type);
+void wcd9xxx_resmgr_put_clk_block(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_clock_type type);
+void wcd9xxx_resmgr_get_bandgap(struct wcd9xxx_resmgr *resmgr,
+ const enum wcd9xxx_bandgap_type choice);
+void wcd9xxx_resmgr_put_bandgap(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_bandgap_type choice);
+void wcd9xxx_resmgr_cfilt_get(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_cfilt_sel cfilt_sel);
+void wcd9xxx_resmgr_cfilt_put(struct wcd9xxx_resmgr *resmgr,
+ enum wcd9xxx_cfilt_sel cfilt_sel);
+
+void wcd9xxx_resmgr_bcl_lock(struct wcd9xxx_resmgr *resmgr);
+#define WCD9XXX_BCL_LOCK(resmgr) \
+{ \
+ pr_debug("%s: Acquiring BCL\n", __func__); \
+ wcd9xxx_resmgr_bcl_lock(resmgr); \
+ pr_debug("%s: Acquiring BCL done\n", __func__); \
+}
+
+void wcd9xxx_resmgr_bcl_unlock(struct wcd9xxx_resmgr *resmgr);
+#define WCD9XXX_BCL_UNLOCK(resmgr) \
+{ \
+ pr_debug("%s: Release BCL\n", __func__); \
+ wcd9xxx_resmgr_bcl_unlock(resmgr); \
+}
+
+#define WCD9XXX_BCL_ASSERT_LOCKED(resmgr) \
+{ \
+ WARN_ONCE(!mutex_is_locked(&resmgr->codec_resource_lock), \
+ "%s: BCL should have acquired\n", __func__); \
+}
+
+const char *wcd9xxx_get_event_string(enum wcd9xxx_notify_event type);
+int wcd9xxx_resmgr_get_k_val(struct wcd9xxx_resmgr *resmgr,
+ unsigned int cfilt_mv);
+int wcd9xxx_resmgr_register_notifier(struct wcd9xxx_resmgr *resmgr,
+ struct notifier_block *nblock);
+int wcd9xxx_resmgr_unregister_notifier(struct wcd9xxx_resmgr *resmgr,
+ struct notifier_block *nblock);
+void wcd9xxx_resmgr_notifier_call(struct wcd9xxx_resmgr *resmgr,
+ const enum wcd9xxx_notify_event e);
+
+#endif /* __WCD9XXX_COMMON_H__ */
diff --git a/sound/soc/msm/msm8974.c b/sound/soc/msm/msm8974.c
index f44a147..e65d83f 100644
--- a/sound/soc/msm/msm8974.c
+++ b/sound/soc/msm/msm8974.c
@@ -52,10 +52,26 @@
#define GPIO_AUX_PCM_SYNC 45
#define GPIO_AUX_PCM_CLK 46
-#define TABLA_EXT_CLK_RATE 12288000
+#define WCD9XXX_MBHC_DEF_BUTTONS 8
+#define WCD9XXX_MBHC_DEF_RLOADS 5
+#define TAIKO_EXT_CLK_RATE 9600000
-#define TABLA_MBHC_DEF_BUTTONS 8
-#define TABLA_MBHC_DEF_RLOADS 5
+void *def_taiko_mbhc_cal(void);
+static int msm_snd_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
+ bool dapm);
+
+static struct wcd9xxx_mbhc_config mbhc_cfg = {
+ .read_fw_bin = false,
+ .calibration = NULL,
+ .micbias = MBHC_MICBIAS2,
+ .mclk_cb_fn = msm_snd_enable_codec_ext_clk,
+ .mclk_rate = TAIKO_EXT_CLK_RATE,
+ .gpio = 0,
+ .gpio_irq = 0,
+ .gpio_level_insert = 1,
+ .insert_detect = true,
+ .swap_gnd_mic = NULL,
+};
struct msm8974_asoc_mach_data {
int mclk_gpio;
@@ -83,9 +99,6 @@
static int msm_btsco_rate = BTSCO_RATE_8KHZ;
static int msm_btsco_ch = 1;
-static struct snd_soc_jack hs_jack;
-static struct snd_soc_jack button_jack;
-
static struct mutex cdc_mclk_mutex;
static struct q_clkdiv *codec_clk;
static int clk_users;
@@ -317,7 +330,7 @@
return 0;
}
-static int msm8974_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
+static int msm_snd_enable_codec_ext_clk(struct snd_soc_codec *codec, int enable,
bool dapm)
{
int ret = 0;
@@ -366,9 +379,9 @@
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- return msm8974_enable_codec_ext_clk(w->codec, 1, true);
+ return msm_snd_enable_codec_ext_clk(w->codec, 1, true);
case SND_SOC_DAPM_POST_PMD:
- return msm8974_enable_codec_ext_clk(w->codec, 0, true);
+ return msm_snd_enable_codec_ext_clk(w->codec, 0, true);
}
return 0;
@@ -727,24 +740,15 @@
snd_soc_dapm_sync(dapm);
- err = snd_soc_jack_new(codec, "Headset Jack",
- (SND_JACK_HEADSET | SND_JACK_OC_HPHL |
- SND_JACK_OC_HPHR | SND_JACK_UNSUPPORTED),
- &hs_jack);
- if (err) {
- pr_err("failed to create new jack\n");
- return err;
- }
-
snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
- err = snd_soc_jack_new(codec, "Button Jack",
- TAIKO_JACK_BUTTON_MASK, &button_jack);
- if (err) {
- pr_err("failed to create new jack\n");
- return err;
- }
+ /* start mbhc */
+ mbhc_cfg.calibration = def_taiko_mbhc_cal();
+ if (mbhc_cfg.calibration)
+ err = taiko_hs_detect(codec, &mbhc_cfg);
+ else
+ err = -ENOMEM;
return err;
}
@@ -756,6 +760,84 @@
return 0;
}
+void *def_taiko_mbhc_cal(void)
+{
+ void *taiko_cal;
+ struct wcd9xxx_mbhc_btn_detect_cfg *btn_cfg;
+ u16 *btn_low, *btn_high;
+ u8 *n_ready, *n_cic, *gain;
+
+ taiko_cal = kzalloc(WCD9XXX_MBHC_CAL_SIZE(WCD9XXX_MBHC_DEF_BUTTONS,
+ WCD9XXX_MBHC_DEF_RLOADS),
+ GFP_KERNEL);
+ if (!taiko_cal) {
+ pr_err("%s: out of memory\n", __func__);
+ return NULL;
+ }
+
+#define S(X, Y) ((WCD9XXX_MBHC_CAL_GENERAL_PTR(taiko_cal)->X) = (Y))
+ S(t_ldoh, 100);
+ S(t_bg_fast_settle, 100);
+ S(t_shutdown_plug_rem, 255);
+ S(mbhc_nsa, 4);
+ S(mbhc_navg, 4);
+#undef S
+#define S(X, Y) ((WCD9XXX_MBHC_CAL_PLUG_DET_PTR(taiko_cal)->X) = (Y))
+ S(mic_current, TAIKO_PID_MIC_5_UA);
+ S(hph_current, TAIKO_PID_MIC_5_UA);
+ S(t_mic_pid, 100);
+ S(t_ins_complete, 250);
+ S(t_ins_retry, 200);
+#undef S
+#define S(X, Y) ((WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(taiko_cal)->X) = (Y))
+ S(v_no_mic, 30);
+ S(v_hs_max, 2400);
+#undef S
+#define S(X, Y) ((WCD9XXX_MBHC_CAL_BTN_DET_PTR(taiko_cal)->X) = (Y))
+ S(c[0], 62);
+ S(c[1], 124);
+ S(nc, 1);
+ S(n_meas, 3);
+ S(mbhc_nsc, 11);
+ S(n_btn_meas, 1);
+ S(n_btn_con, 2);
+ S(num_btn, WCD9XXX_MBHC_DEF_BUTTONS);
+ S(v_btn_press_delta_sta, 100);
+ S(v_btn_press_delta_cic, 50);
+#undef S
+ btn_cfg = WCD9XXX_MBHC_CAL_BTN_DET_PTR(taiko_cal);
+ btn_low = wcd9xxx_mbhc_cal_btn_det_mp(btn_cfg, MBHC_BTN_DET_V_BTN_LOW);
+ btn_high = wcd9xxx_mbhc_cal_btn_det_mp(btn_cfg,
+ MBHC_BTN_DET_V_BTN_HIGH);
+ btn_low[0] = -50;
+ btn_high[0] = 34;
+ btn_low[1] = 35;
+ btn_high[1] = 52;
+ btn_low[2] = 53;
+ btn_high[2] = 94;
+ btn_low[3] = 95;
+ btn_high[3] = 133;
+ btn_low[4] = 134;
+ btn_high[4] = 171;
+ btn_low[5] = 172;
+ btn_high[5] = 208;
+ btn_low[6] = 209;
+ btn_high[6] = 244;
+ btn_low[7] = 245;
+ btn_high[7] = 330;
+ n_ready = wcd9xxx_mbhc_cal_btn_det_mp(btn_cfg, MBHC_BTN_DET_N_READY);
+ n_ready[0] = 80;
+ n_ready[1] = 68;
+ n_cic = wcd9xxx_mbhc_cal_btn_det_mp(btn_cfg, MBHC_BTN_DET_N_CIC);
+ n_cic[0] = 60;
+ n_cic[1] = 47;
+ gain = wcd9xxx_mbhc_cal_btn_det_mp(btn_cfg, MBHC_BTN_DET_GAIN);
+ gain[0] = 11;
+ gain[1] = 9;
+
+ return taiko_cal;
+}
+
static int msm_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{