Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 14 | #include <linux/firmware.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 15 | #include <linux/slab.h> |
| 16 | #include <linux/err.h> |
| 17 | #include <linux/platform_device.h> |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 18 | #include <linux/miscdevice.h> |
| 19 | #include <linux/fs.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 20 | #include <linux/wcnss_wlan.h> |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 21 | #include <linux/platform_data/qcom_wcnss_device.h> |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 22 | #include <linux/workqueue.h> |
| 23 | #include <linux/jiffies.h> |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 24 | #include <linux/gpio.h> |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 25 | #include <linux/wakelock.h> |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 26 | #include <linux/delay.h> |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 27 | #include <linux/of.h> |
| 28 | #include <linux/of_gpio.h> |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 29 | #include <linux/clk.h> |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 30 | #include <linux/ratelimit.h> |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 31 | #include <linux/kthread.h> |
| 32 | #include <linux/wait.h> |
| 33 | #include <linux/uaccess.h> |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 34 | #include <linux/suspend.h> |
| 35 | #include <linux/rwsem.h> |
Naresh Jayaram | 08cee44 | 2013-04-26 19:50:00 +0530 | [diff] [blame] | 36 | #include <linux/mfd/pm8xxx/misc.h> |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 37 | #include <linux/qpnp/qpnp-adc.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 38 | |
Yue Ma | 10d8875 | 2014-02-20 17:12:05 -0800 | [diff] [blame] | 39 | #include <mach/board.h> |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 40 | #include <mach/msm_smd.h> |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 41 | #include <mach/msm_iomap.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 42 | #include <mach/subsystem_restart.h> |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 43 | #include <mach/subsystem_notif.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 44 | |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 45 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 46 | #include "wcnss_prealloc.h" |
| 47 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 48 | |
| 49 | #define DEVICE "wcnss_wlan" |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 50 | #define CTRL_DEVICE "wcnss_ctrl" |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 51 | #define VERSION "1.01" |
| 52 | #define WCNSS_PIL_DEVICE "wcnss" |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 53 | |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 54 | /* module params */ |
| 55 | #define WCNSS_CONFIG_UNSPECIFIED (-1) |
Arif Hussain | 677c92d | 2013-11-01 19:09:11 -0700 | [diff] [blame] | 56 | #define UINT32_MAX (0xFFFFFFFFU) |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 57 | |
Ankur Nandwani | a451049 | 2011-08-29 15:56:23 -0700 | [diff] [blame] | 58 | static int has_48mhz_xo = WCNSS_CONFIG_UNSPECIFIED; |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 59 | module_param(has_48mhz_xo, int, S_IWUSR | S_IRUGO); |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 60 | MODULE_PARM_DESC(has_48mhz_xo, "Is an external 48 MHz XO present"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 61 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 62 | static int has_calibrated_data = WCNSS_CONFIG_UNSPECIFIED; |
| 63 | module_param(has_calibrated_data, int, S_IWUSR | S_IRUGO); |
| 64 | MODULE_PARM_DESC(has_calibrated_data, "whether calibrated data file available"); |
| 65 | |
Sameer Thalappil | 58cec31 | 2013-05-13 15:52:08 -0700 | [diff] [blame] | 66 | static int has_autodetect_xo = WCNSS_CONFIG_UNSPECIFIED; |
| 67 | module_param(has_autodetect_xo, int, S_IWUSR | S_IRUGO); |
| 68 | MODULE_PARM_DESC(has_autodetect_xo, "Perform auto detect to configure IRIS XO"); |
| 69 | |
Sheng Fang | bb42167 | 2013-03-19 08:27:28 +0800 | [diff] [blame] | 70 | static int do_not_cancel_vote = WCNSS_CONFIG_UNSPECIFIED; |
| 71 | module_param(do_not_cancel_vote, int, S_IWUSR | S_IRUGO); |
| 72 | MODULE_PARM_DESC(do_not_cancel_vote, "Do not cancel votes for wcnss"); |
| 73 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 74 | static DEFINE_SPINLOCK(reg_spinlock); |
| 75 | |
| 76 | #define MSM_RIVA_PHYS 0x03204000 |
| 77 | #define MSM_PRONTO_PHYS 0xfb21b000 |
| 78 | |
| 79 | #define RIVA_SPARE_OFFSET 0x0b4 |
| 80 | #define RIVA_SUSPEND_BIT BIT(24) |
| 81 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 82 | #define MSM_RIVA_CCU_BASE 0x03200800 |
| 83 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 84 | #define CCU_RIVA_INVALID_ADDR_OFFSET 0x100 |
| 85 | #define CCU_RIVA_LAST_ADDR0_OFFSET 0x104 |
| 86 | #define CCU_RIVA_LAST_ADDR1_OFFSET 0x108 |
| 87 | #define CCU_RIVA_LAST_ADDR2_OFFSET 0x10c |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 88 | |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 89 | #define PRONTO_PMU_SPARE_OFFSET 0x1088 |
| 90 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 91 | #define PRONTO_PMU_COM_GDSCR_OFFSET 0x0024 |
| 92 | #define PRONTO_PMU_COM_GDSCR_SW_COLLAPSE BIT(0) |
| 93 | #define PRONTO_PMU_COM_GDSCR_HW_CTRL BIT(1) |
| 94 | |
| 95 | #define PRONTO_PMU_WLAN_BCR_OFFSET 0x0050 |
| 96 | #define PRONTO_PMU_WLAN_BCR_BLK_ARES BIT(0) |
| 97 | |
| 98 | #define PRONTO_PMU_WLAN_GDSCR_OFFSET 0x0054 |
| 99 | #define PRONTO_PMU_WLAN_GDSCR_SW_COLLAPSE BIT(0) |
| 100 | |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 101 | |
| 102 | #define PRONTO_PMU_CBCR_OFFSET 0x0008 |
| 103 | #define PRONTO_PMU_CBCR_CLK_EN BIT(0) |
| 104 | |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 105 | #define PRONTO_PMU_COM_CPU_CBCR_OFFSET 0x0030 |
| 106 | #define PRONTO_PMU_COM_AHB_CBCR_OFFSET 0x0034 |
Mihir Shete | 31396f4 | 2013-10-18 13:34:03 -0700 | [diff] [blame] | 107 | |
| 108 | #define PRONTO_PMU_WLAN_AHB_CBCR_OFFSET 0x0074 |
| 109 | #define PRONTO_PMU_WLAN_AHB_CBCR_CLK_EN BIT(0) |
| 110 | #define PRONTO_PMU_WLAN_AHB_CBCR_CLK_OFF BIT(31) |
| 111 | |
| 112 | #define PRONTO_PMU_CPU_AHB_CMD_RCGR_OFFSET 0x0120 |
| 113 | #define PRONTO_PMU_CPU_AHB_CMD_RCGR_ROOT_EN BIT(1) |
| 114 | |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 115 | #define PRONTO_PMU_CFG_OFFSET 0x1004 |
| 116 | #define PRONTO_PMU_COM_CSR_OFFSET 0x1040 |
| 117 | #define PRONTO_PMU_SOFT_RESET_OFFSET 0x104C |
| 118 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 119 | #define MSM_PRONTO_A2XB_BASE 0xfb100400 |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 120 | #define A2XB_CFG_OFFSET 0x00 |
| 121 | #define A2XB_INT_SRC_OFFSET 0x0c |
| 122 | #define A2XB_TSTBUS_CTRL_OFFSET 0x14 |
| 123 | #define A2XB_TSTBUS_OFFSET 0x18 |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 124 | #define A2XB_ERR_INFO_OFFSET 0x1c |
| 125 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 126 | #define WCNSS_TSTBUS_CTRL_EN BIT(0) |
| 127 | #define WCNSS_TSTBUS_CTRL_AXIM (0x02 << 1) |
| 128 | #define WCNSS_TSTBUS_CTRL_CMDFIFO (0x03 << 1) |
| 129 | #define WCNSS_TSTBUS_CTRL_WRFIFO (0x04 << 1) |
| 130 | #define WCNSS_TSTBUS_CTRL_RDFIFO (0x05 << 1) |
| 131 | #define WCNSS_TSTBUS_CTRL_CTRL (0x07 << 1) |
| 132 | #define WCNSS_TSTBUS_CTRL_AXIM_CFG0 (0x00 << 6) |
| 133 | #define WCNSS_TSTBUS_CTRL_AXIM_CFG1 (0x01 << 6) |
| 134 | #define WCNSS_TSTBUS_CTRL_CTRL_CFG0 (0x00 << 12) |
| 135 | #define WCNSS_TSTBUS_CTRL_CTRL_CFG1 (0x01 << 12) |
| 136 | |
| 137 | #define MSM_PRONTO_CCPU_BASE 0xfb205050 |
| 138 | #define CCU_PRONTO_INVALID_ADDR_OFFSET 0x08 |
| 139 | #define CCU_PRONTO_LAST_ADDR0_OFFSET 0x0c |
| 140 | #define CCU_PRONTO_LAST_ADDR1_OFFSET 0x10 |
| 141 | #define CCU_PRONTO_LAST_ADDR2_OFFSET 0x14 |
| 142 | |
Sameer Thalappil | 767ff49 | 2013-06-19 15:25:21 -0700 | [diff] [blame] | 143 | #define MSM_PRONTO_SAW2_BASE 0xfb219000 |
| 144 | #define PRONTO_SAW2_SPM_STS_OFFSET 0x0c |
| 145 | |
Sameer Thalappil | 66d2b39 | 2013-07-02 11:32:55 -0700 | [diff] [blame] | 146 | #define MSM_PRONTO_PLL_BASE 0xfb21b1c0 |
| 147 | #define PRONTO_PLL_STATUS_OFFSET 0x1c |
| 148 | |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 149 | #define MSM_PRONTO_MCU_BASE 0xfb080c00 |
Mihir Shete | e640cf1 | 2014-03-13 21:59:22 +0530 | [diff] [blame] | 150 | #define MCU_APB2PHY_STATUS_OFFSET 0xec |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 151 | #define MCU_CBR_CCAHB_ERR_OFFSET 0x380 |
| 152 | #define MCU_CBR_CAHB_ERR_OFFSET 0x384 |
| 153 | #define MCU_CBR_CCAHB_TIMEOUT_OFFSET 0x388 |
| 154 | #define MCU_CBR_CAHB_TIMEOUT_OFFSET 0x38c |
| 155 | #define MCU_DBR_CDAHB_ERR_OFFSET 0x390 |
| 156 | #define MCU_DBR_DAHB_ERR_OFFSET 0x394 |
| 157 | #define MCU_DBR_CDAHB_TIMEOUT_OFFSET 0x398 |
| 158 | #define MCU_DBR_DAHB_TIMEOUT_OFFSET 0x39c |
| 159 | #define MCU_FDBR_CDAHB_ERR_OFFSET 0x3a0 |
| 160 | #define MCU_FDBR_FDAHB_ERR_OFFSET 0x3a4 |
| 161 | #define MCU_FDBR_CDAHB_TIMEOUT_OFFSET 0x3a8 |
| 162 | #define MCU_FDBR_FDAHB_TIMEOUT_OFFSET 0x3ac |
| 163 | |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 164 | #define MSM_PRONTO_TXP_STATUS 0xfb08040c |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 165 | #define MSM_PRONTO_TXP_PHY_ABORT 0xfb080488 |
| 166 | #define MSM_PRONTO_BRDG_ERR_SRC 0xfb080fb0 |
| 167 | |
Sameer Thalappil | 7f2d82f | 2013-12-17 11:26:18 -0800 | [diff] [blame] | 168 | #define MSM_PRONTO_ALARMS_TXCTL 0xfb0120a8 |
| 169 | #define MSM_PRONTO_ALARMS_TACTL 0xfb012448 |
| 170 | |
Sameer Thalappil | d0952f6 | 2013-05-03 10:18:29 -0700 | [diff] [blame] | 171 | #define WCNSS_DEF_WLAN_RX_BUFF_COUNT 1024 |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 172 | #define WCNSS_VBATT_THRESHOLD 3500000 |
| 173 | #define WCNSS_VBATT_GUARD 200 |
| 174 | #define WCNSS_VBATT_HIGH 3700000 |
| 175 | #define WCNSS_VBATT_LOW 3300000 |
Sameer Thalappil | d0952f6 | 2013-05-03 10:18:29 -0700 | [diff] [blame] | 176 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 177 | #define WCNSS_CTRL_CHANNEL "WCNSS_CTRL" |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 178 | #define WCNSS_MAX_FRAME_SIZE (4*1024) |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 179 | #define WCNSS_VERSION_LEN 30 |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 180 | #define WCNSS_MAX_BUILD_VER_LEN 256 |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 181 | #define WCNSS_MAX_CMD_LEN (128) |
| 182 | #define WCNSS_MIN_CMD_LEN (3) |
| 183 | #define WCNSS_MIN_SERIAL_LEN (6) |
| 184 | |
| 185 | /* control messages from userspace */ |
| 186 | #define WCNSS_USR_CTRL_MSG_START 0x00000000 |
| 187 | #define WCNSS_USR_SERIAL_NUM (WCNSS_USR_CTRL_MSG_START + 1) |
| 188 | #define WCNSS_USR_HAS_CAL_DATA (WCNSS_USR_CTRL_MSG_START + 2) |
Hardik Kantilal Patel | ab039d8 | 2014-03-22 06:30:41 +0530 | [diff] [blame] | 189 | #define WCNSS_USR_WLAN_MAC_ADDR (WCNSS_USR_CTRL_MSG_START + 3) |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 190 | |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 191 | #define MAC_ADDRESS_STR "%02x:%02x:%02x:%02x:%02x:%02x" |
| 192 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 193 | /* message types */ |
| 194 | #define WCNSS_CTRL_MSG_START 0x01000000 |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 195 | #define WCNSS_VERSION_REQ (WCNSS_CTRL_MSG_START + 0) |
| 196 | #define WCNSS_VERSION_RSP (WCNSS_CTRL_MSG_START + 1) |
| 197 | #define WCNSS_NVBIN_DNLD_REQ (WCNSS_CTRL_MSG_START + 2) |
| 198 | #define WCNSS_NVBIN_DNLD_RSP (WCNSS_CTRL_MSG_START + 3) |
| 199 | #define WCNSS_CALDATA_UPLD_REQ (WCNSS_CTRL_MSG_START + 4) |
| 200 | #define WCNSS_CALDATA_UPLD_RSP (WCNSS_CTRL_MSG_START + 5) |
| 201 | #define WCNSS_CALDATA_DNLD_REQ (WCNSS_CTRL_MSG_START + 6) |
| 202 | #define WCNSS_CALDATA_DNLD_RSP (WCNSS_CTRL_MSG_START + 7) |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 203 | #define WCNSS_VBATT_LEVEL_IND (WCNSS_CTRL_MSG_START + 8) |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 204 | #define WCNSS_BUILD_VER_REQ (WCNSS_CTRL_MSG_START + 9) |
| 205 | #define WCNSS_BUILD_VER_RSP (WCNSS_CTRL_MSG_START + 10) |
Hardik Kantilal Patel | 880805e | 2014-05-28 12:50:30 +0530 | [diff] [blame^] | 206 | #define WCNSS_PM_CONFIG_REQ (WCNSS_CTRL_MSG_START + 11) |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 207 | |
Leo Chang | f98087f | 2013-11-14 15:08:24 -0800 | [diff] [blame] | 208 | /* max 20mhz channel count */ |
| 209 | #define WCNSS_MAX_CH_NUM 45 |
Sameer Thalappil | fe03e83 | 2014-02-19 10:37:16 -0800 | [diff] [blame] | 210 | #define WCNSS_MAX_PIL_RETRY 3 |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 211 | |
| 212 | #define VALID_VERSION(version) \ |
| 213 | ((strncmp(version, "INVALID", WCNSS_VERSION_LEN)) ? 1 : 0) |
| 214 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 215 | #define FW_CALDATA_CAPABLE() \ |
| 216 | ((penv->fw_major >= 1) && (penv->fw_minor >= 5) ? 1 : 0) |
| 217 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 218 | struct smd_msg_hdr { |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 219 | unsigned int msg_type; |
| 220 | unsigned int msg_len; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 221 | }; |
| 222 | |
| 223 | struct wcnss_version { |
| 224 | struct smd_msg_hdr hdr; |
| 225 | unsigned char major; |
| 226 | unsigned char minor; |
| 227 | unsigned char version; |
| 228 | unsigned char revision; |
| 229 | }; |
| 230 | |
Naresh Jayaram | 08cee44 | 2013-04-26 19:50:00 +0530 | [diff] [blame] | 231 | struct wcnss_pmic_dump { |
| 232 | char reg_name[10]; |
| 233 | u16 reg_addr; |
| 234 | }; |
| 235 | |
| 236 | static struct wcnss_pmic_dump wcnss_pmic_reg_dump[] = { |
| 237 | {"S2", 0x1D8}, |
| 238 | {"L4", 0xB4}, |
| 239 | {"L10", 0xC0}, |
| 240 | {"LVS2", 0x62}, |
| 241 | {"S4", 0x1E8}, |
| 242 | {"LVS7", 0x06C}, |
| 243 | {"LVS1", 0x060}, |
| 244 | }; |
| 245 | |
Pradeep Kumar Goudagunta | b18e520 | 2014-04-29 11:48:21 +0530 | [diff] [blame] | 246 | static int wcnss_notif_cb(struct notifier_block *this, unsigned long code, |
| 247 | void *ss_handle); |
| 248 | |
| 249 | static struct notifier_block wnb = { |
| 250 | .notifier_call = wcnss_notif_cb, |
| 251 | }; |
| 252 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 253 | #define NVBIN_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin" |
| 254 | |
| 255 | /* |
| 256 | * On SMD channel 4K of maximum data can be transferred, including message |
| 257 | * header, so NV fragment size as next multiple of 1Kb is 3Kb. |
| 258 | */ |
| 259 | #define NV_FRAGMENT_SIZE 3072 |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 260 | #define MAX_CALIBRATED_DATA_SIZE (64*1024) |
| 261 | #define LAST_FRAGMENT (1 << 0) |
| 262 | #define MESSAGE_TO_FOLLOW (1 << 1) |
| 263 | #define CAN_RECEIVE_CALDATA (1 << 15) |
| 264 | #define WCNSS_RESP_SUCCESS 1 |
| 265 | #define WCNSS_RESP_FAIL 0 |
| 266 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 267 | |
| 268 | /* Macro to find the total number fragments of the NV bin Image */ |
| 269 | #define TOTALFRAGMENTS(x) (((x % NV_FRAGMENT_SIZE) == 0) ? \ |
| 270 | (x / NV_FRAGMENT_SIZE) : ((x / NV_FRAGMENT_SIZE) + 1)) |
| 271 | |
| 272 | struct nvbin_dnld_req_params { |
| 273 | /* |
| 274 | * Fragment sequence number of the NV bin Image. NV Bin Image |
| 275 | * might not fit into one message due to size limitation of |
| 276 | * the SMD channel FIFO so entire NV blob is chopped into |
| 277 | * multiple fragments starting with seqeunce number 0. The |
| 278 | * last fragment is indicated by marking is_last_fragment field |
| 279 | * to 1. At receiving side, NV blobs would be concatenated |
| 280 | * together without any padding bytes in between. |
| 281 | */ |
| 282 | unsigned short frag_number; |
| 283 | |
| 284 | /* |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 285 | * bit 0: When set to 1 it indicates that no more fragments will |
| 286 | * be sent. |
| 287 | * bit 1: When set, a new message will be followed by this message |
| 288 | * bit 2- bit 14: Reserved |
| 289 | * bit 15: when set, it indicates that the sender is capable of |
| 290 | * receiving Calibrated data. |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 291 | */ |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 292 | unsigned short msg_flags; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 293 | |
| 294 | /* NV Image size (number of bytes) */ |
| 295 | unsigned int nvbin_buffer_size; |
| 296 | |
| 297 | /* |
| 298 | * Following the 'nvbin_buffer_size', there should be |
| 299 | * nvbin_buffer_size bytes of NV bin Image i.e. |
| 300 | * uint8[nvbin_buffer_size]. |
| 301 | */ |
| 302 | }; |
| 303 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 304 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 305 | struct nvbin_dnld_req_msg { |
| 306 | /* |
| 307 | * Note: The length specified in nvbin_dnld_req_msg messages |
| 308 | * should be hdr.msg_len = sizeof(nvbin_dnld_req_msg) + |
| 309 | * nvbin_buffer_size. |
| 310 | */ |
| 311 | struct smd_msg_hdr hdr; |
| 312 | struct nvbin_dnld_req_params dnld_req_params; |
| 313 | }; |
| 314 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 315 | struct cal_data_params { |
| 316 | |
| 317 | /* The total size of the calibrated data, including all the |
| 318 | * fragments. |
| 319 | */ |
| 320 | unsigned int total_size; |
| 321 | unsigned short frag_number; |
| 322 | /* |
| 323 | * bit 0: When set to 1 it indicates that no more fragments will |
| 324 | * be sent. |
| 325 | * bit 1: When set, a new message will be followed by this message |
| 326 | * bit 2- bit 15: Reserved |
| 327 | */ |
| 328 | unsigned short msg_flags; |
| 329 | /* |
| 330 | * fragment size |
| 331 | */ |
| 332 | unsigned int frag_size; |
| 333 | /* |
| 334 | * Following the frag_size, frag_size of fragmented |
| 335 | * data will be followed. |
| 336 | */ |
| 337 | }; |
| 338 | |
| 339 | struct cal_data_msg { |
| 340 | /* |
| 341 | * The length specified in cal_data_msg should be |
| 342 | * hdr.msg_len = sizeof(cal_data_msg) + frag_size |
| 343 | */ |
| 344 | struct smd_msg_hdr hdr; |
| 345 | struct cal_data_params cal_params; |
| 346 | }; |
| 347 | |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 348 | struct vbatt_level { |
| 349 | u32 curr_volt; |
| 350 | u32 threshold; |
| 351 | }; |
| 352 | |
| 353 | struct vbatt_message { |
| 354 | struct smd_msg_hdr hdr; |
| 355 | struct vbatt_level vbatt; |
| 356 | }; |
| 357 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 358 | static struct { |
| 359 | struct platform_device *pdev; |
| 360 | void *pil; |
| 361 | struct resource *mmio_res; |
| 362 | struct resource *tx_irq_res; |
| 363 | struct resource *rx_irq_res; |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 364 | struct resource *gpios_5wire; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 365 | const struct dev_pm_ops *pm_ops; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 366 | int triggered; |
| 367 | int smd_channel_ready; |
Sameer Thalappil | d0952f6 | 2013-05-03 10:18:29 -0700 | [diff] [blame] | 368 | u32 wlan_rx_buff_count; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 369 | smd_channel_t *smd_ch; |
| 370 | unsigned char wcnss_version[WCNSS_VERSION_LEN]; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 371 | unsigned char fw_major; |
| 372 | unsigned char fw_minor; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 373 | unsigned int serial_number; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 374 | int thermal_mitigation; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 375 | enum wcnss_hw_type wcnss_hw_type; |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 376 | void (*tm_notify)(struct device *, int); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 377 | struct wcnss_wlan_config wlan_config; |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 378 | struct delayed_work wcnss_work; |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 379 | struct delayed_work vbatt_work; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 380 | struct work_struct wcnssctrl_version_work; |
Hardik Kantilal Patel | 880805e | 2014-05-28 12:50:30 +0530 | [diff] [blame^] | 381 | struct work_struct wcnss_pm_config_work; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 382 | struct work_struct wcnssctrl_nvbin_dnld_work; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 383 | struct work_struct wcnssctrl_rx_work; |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 384 | struct wake_lock wcnss_wake_lock; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 385 | void __iomem *msm_wcnss_base; |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 386 | void __iomem *riva_ccu_base; |
| 387 | void __iomem *pronto_a2xb_base; |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 388 | void __iomem *pronto_ccpu_base; |
Sameer Thalappil | 767ff49 | 2013-06-19 15:25:21 -0700 | [diff] [blame] | 389 | void __iomem *pronto_saw2_base; |
Sameer Thalappil | 66d2b39 | 2013-07-02 11:32:55 -0700 | [diff] [blame] | 390 | void __iomem *pronto_pll_base; |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 391 | void __iomem *pronto_mcu_base; |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 392 | void __iomem *wlan_tx_status; |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 393 | void __iomem *wlan_tx_phy_aborts; |
| 394 | void __iomem *wlan_brdg_err_source; |
Sameer Thalappil | 7f2d82f | 2013-12-17 11:26:18 -0800 | [diff] [blame] | 395 | void __iomem *alarms_txctl; |
| 396 | void __iomem *alarms_tactl; |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 397 | void __iomem *fiq_reg; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 398 | int nv_downloaded; |
| 399 | unsigned char *fw_cal_data; |
| 400 | unsigned char *user_cal_data; |
| 401 | int fw_cal_rcvd; |
| 402 | int fw_cal_exp_frag; |
| 403 | int fw_cal_available; |
| 404 | int user_cal_read; |
| 405 | int user_cal_available; |
Arif Hussain | 677c92d | 2013-11-01 19:09:11 -0700 | [diff] [blame] | 406 | u32 user_cal_rcvd; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 407 | int user_cal_exp_size; |
| 408 | int device_opened; |
Sameer Thalappil | 1d69b802 | 2013-06-10 19:10:07 -0700 | [diff] [blame] | 409 | int iris_xo_mode_set; |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 410 | int fw_vbatt_state; |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 411 | int ctrl_device_opened; |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 412 | char wlan_nv_macAddr[WLAN_MAC_ADDR_SIZE]; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 413 | struct mutex dev_lock; |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 414 | struct mutex ctrl_lock; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 415 | wait_queue_head_t read_wait; |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 416 | struct qpnp_adc_tm_btm_param vbat_monitor_params; |
| 417 | struct qpnp_adc_tm_chip *adc_tm_dev; |
| 418 | struct mutex vbat_monitor_mutex; |
Leo Chang | f98087f | 2013-11-14 15:08:24 -0800 | [diff] [blame] | 419 | u16 unsafe_ch_count; |
| 420 | u16 unsafe_ch_list[WCNSS_MAX_CH_NUM]; |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 421 | void *wcnss_notif_hdle; |
Mihir Shete | 173dafe | 2014-03-13 18:50:49 +0530 | [diff] [blame] | 422 | u8 is_shutdown; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 423 | } *penv = NULL; |
| 424 | |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 425 | static ssize_t wcnss_wlan_macaddr_store(struct device *dev, |
| 426 | struct device_attribute *attr, const char *buf, size_t count) |
| 427 | { |
| 428 | char macAddr[WLAN_MAC_ADDR_SIZE]; |
| 429 | |
| 430 | if (!penv) |
| 431 | return -ENODEV; |
| 432 | |
| 433 | pr_debug("%s: Receive MAC Addr From user space: %s\n", __func__, buf); |
| 434 | |
| 435 | if (WLAN_MAC_ADDR_SIZE != sscanf(buf, MAC_ADDRESS_STR, |
| 436 | (int *)&macAddr[0], (int *)&macAddr[1], |
| 437 | (int *)&macAddr[2], (int *)&macAddr[3], |
| 438 | (int *)&macAddr[4], (int *)&macAddr[5])) { |
| 439 | |
| 440 | pr_err("%s: Failed to Copy MAC\n", __func__); |
| 441 | return -EINVAL; |
| 442 | } |
| 443 | |
| 444 | memcpy(penv->wlan_nv_macAddr, macAddr, sizeof(penv->wlan_nv_macAddr)); |
| 445 | |
| 446 | pr_info("%s: Write MAC Addr:" MAC_ADDRESS_STR "\n", __func__, |
| 447 | penv->wlan_nv_macAddr[0], penv->wlan_nv_macAddr[1], |
| 448 | penv->wlan_nv_macAddr[2], penv->wlan_nv_macAddr[3], |
| 449 | penv->wlan_nv_macAddr[4], penv->wlan_nv_macAddr[5]); |
| 450 | |
| 451 | return count; |
| 452 | } |
| 453 | |
| 454 | static ssize_t wcnss_wlan_macaddr_show(struct device *dev, |
| 455 | struct device_attribute *attr, char *buf) |
| 456 | { |
| 457 | if (!penv) |
| 458 | return -ENODEV; |
| 459 | |
| 460 | return scnprintf(buf, PAGE_SIZE, MAC_ADDRESS_STR, |
| 461 | penv->wlan_nv_macAddr[0], penv->wlan_nv_macAddr[1], |
| 462 | penv->wlan_nv_macAddr[2], penv->wlan_nv_macAddr[3], |
| 463 | penv->wlan_nv_macAddr[4], penv->wlan_nv_macAddr[5]); |
| 464 | } |
| 465 | |
| 466 | static DEVICE_ATTR(wcnss_mac_addr, S_IRUSR | S_IWUSR, |
| 467 | wcnss_wlan_macaddr_show, wcnss_wlan_macaddr_store); |
| 468 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 469 | static ssize_t wcnss_serial_number_show(struct device *dev, |
| 470 | struct device_attribute *attr, char *buf) |
| 471 | { |
| 472 | if (!penv) |
| 473 | return -ENODEV; |
| 474 | |
| 475 | return scnprintf(buf, PAGE_SIZE, "%08X\n", penv->serial_number); |
| 476 | } |
| 477 | |
| 478 | static ssize_t wcnss_serial_number_store(struct device *dev, |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 479 | struct device_attribute *attr, const char *buf, size_t count) |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 480 | { |
| 481 | unsigned int value; |
| 482 | |
| 483 | if (!penv) |
| 484 | return -ENODEV; |
| 485 | |
| 486 | if (sscanf(buf, "%08X", &value) != 1) |
| 487 | return -EINVAL; |
| 488 | |
| 489 | penv->serial_number = value; |
| 490 | return count; |
| 491 | } |
| 492 | |
| 493 | static DEVICE_ATTR(serial_number, S_IRUSR | S_IWUSR, |
| 494 | wcnss_serial_number_show, wcnss_serial_number_store); |
| 495 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 496 | |
| 497 | static ssize_t wcnss_thermal_mitigation_show(struct device *dev, |
| 498 | struct device_attribute *attr, char *buf) |
| 499 | { |
| 500 | if (!penv) |
| 501 | return -ENODEV; |
| 502 | |
| 503 | return scnprintf(buf, PAGE_SIZE, "%u\n", penv->thermal_mitigation); |
| 504 | } |
| 505 | |
| 506 | static ssize_t wcnss_thermal_mitigation_store(struct device *dev, |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 507 | struct device_attribute *attr, const char *buf, size_t count) |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 508 | { |
| 509 | int value; |
| 510 | |
| 511 | if (!penv) |
| 512 | return -ENODEV; |
| 513 | |
| 514 | if (sscanf(buf, "%d", &value) != 1) |
| 515 | return -EINVAL; |
| 516 | penv->thermal_mitigation = value; |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 517 | if (penv->tm_notify) |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 518 | (penv->tm_notify)(dev, value); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 519 | return count; |
| 520 | } |
| 521 | |
| 522 | static DEVICE_ATTR(thermal_mitigation, S_IRUSR | S_IWUSR, |
| 523 | wcnss_thermal_mitigation_show, wcnss_thermal_mitigation_store); |
| 524 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 525 | |
| 526 | static ssize_t wcnss_version_show(struct device *dev, |
| 527 | struct device_attribute *attr, char *buf) |
| 528 | { |
| 529 | if (!penv) |
| 530 | return -ENODEV; |
| 531 | |
| 532 | return scnprintf(buf, PAGE_SIZE, "%s", penv->wcnss_version); |
| 533 | } |
| 534 | |
| 535 | static DEVICE_ATTR(wcnss_version, S_IRUSR, |
| 536 | wcnss_version_show, NULL); |
| 537 | |
Naresh Jayaram | 08cee44 | 2013-04-26 19:50:00 +0530 | [diff] [blame] | 538 | void wcnss_riva_dump_pmic_regs(void) |
| 539 | { |
| 540 | int i, rc; |
| 541 | u8 val; |
| 542 | |
| 543 | for (i = 0; i < ARRAY_SIZE(wcnss_pmic_reg_dump); i++) { |
| 544 | val = 0; |
| 545 | rc = pm8xxx_read_register(wcnss_pmic_reg_dump[i].reg_addr, |
| 546 | &val); |
| 547 | if (rc) |
| 548 | pr_err("PMIC READ: Failed to read addr = %d\n", |
| 549 | wcnss_pmic_reg_dump[i].reg_addr); |
| 550 | else |
| 551 | pr_info_ratelimited("PMIC READ: %s addr = %x, value = %x\n", |
| 552 | wcnss_pmic_reg_dump[i].reg_name, |
| 553 | wcnss_pmic_reg_dump[i].reg_addr, val); |
| 554 | } |
| 555 | } |
| 556 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 557 | /* wcnss_reset_intr() is invoked when host drivers fails to |
| 558 | * communicate with WCNSS over SMD; so logging these registers |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 559 | * helps to know WCNSS failure reason |
| 560 | */ |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 561 | void wcnss_riva_log_debug_regs(void) |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 562 | { |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 563 | void __iomem *ccu_reg; |
| 564 | u32 reg = 0; |
| 565 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 566 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_INVALID_ADDR_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 567 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 568 | pr_info_ratelimited("%s: CCU_CCPU_INVALID_ADDR %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 569 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 570 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR0_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 571 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 572 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR0 %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 573 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 574 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR1_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 575 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 576 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR1 %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 577 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 578 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR2_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 579 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 580 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR2 %08x\n", __func__, reg); |
Naresh Jayaram | 08cee44 | 2013-04-26 19:50:00 +0530 | [diff] [blame] | 581 | wcnss_riva_dump_pmic_regs(); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 582 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 583 | } |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 584 | EXPORT_SYMBOL(wcnss_riva_log_debug_regs); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 585 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 586 | /* Log pronto debug registers before sending reset interrupt */ |
| 587 | void wcnss_pronto_log_debug_regs(void) |
| 588 | { |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 589 | void __iomem *reg_addr, *tst_addr, *tst_ctrl_addr; |
Mihir Shete | 31396f4 | 2013-10-18 13:34:03 -0700 | [diff] [blame] | 590 | u32 reg = 0, reg2 = 0, reg3 = 0, reg4 = 0; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 591 | |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 592 | |
| 593 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_SPARE_OFFSET; |
| 594 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 595 | pr_err("PRONTO_PMU_SPARE %08x\n", reg); |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 596 | |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 597 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_CPU_CBCR_OFFSET; |
| 598 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 599 | pr_err("PRONTO_PMU_COM_CPU_CBCR %08x\n", reg); |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 600 | |
| 601 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_AHB_CBCR_OFFSET; |
| 602 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 603 | pr_err("PRONTO_PMU_COM_AHB_CBCR %08x\n", reg); |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 604 | |
| 605 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CFG_OFFSET; |
| 606 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 607 | pr_err("PRONTO_PMU_CFG %08x\n", reg); |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 608 | |
| 609 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_CSR_OFFSET; |
| 610 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 611 | pr_err("PRONTO_PMU_COM_CSR %08x\n", reg); |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 612 | |
| 613 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_SOFT_RESET_OFFSET; |
| 614 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 615 | pr_err("PRONTO_PMU_SOFT_RESET %08x\n", reg); |
Mihir Shete | 2775e465 | 2013-09-20 16:21:49 -0700 | [diff] [blame] | 616 | |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 617 | reg_addr = penv->pronto_saw2_base + PRONTO_SAW2_SPM_STS_OFFSET; |
| 618 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 619 | pr_err("PRONTO_SAW2_SPM_STS %08x\n", reg); |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 620 | |
Yue Ma | 450baae | 2014-02-19 14:39:09 -0800 | [diff] [blame] | 621 | reg_addr = penv->pronto_pll_base + PRONTO_PLL_STATUS_OFFSET; |
| 622 | reg = readl_relaxed(reg_addr); |
| 623 | pr_err("PRONTO_PLL_STATUS %08x\n", reg); |
| 624 | |
| 625 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CPU_AHB_CMD_RCGR_OFFSET; |
| 626 | reg4 = readl_relaxed(reg_addr); |
| 627 | pr_err("PMU_CPU_CMD_RCGR %08x\n", reg4); |
| 628 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 629 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_COM_GDSCR_OFFSET; |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 630 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 631 | pr_err("PRONTO_PMU_COM_GDSCR %08x\n", reg); |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 632 | reg >>= 31; |
| 633 | |
| 634 | if (!reg) { |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 635 | pr_err("Cannot log, Pronto common SS is power collapsed\n"); |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 636 | return; |
| 637 | } |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 638 | reg &= ~(PRONTO_PMU_COM_GDSCR_SW_COLLAPSE |
| 639 | | PRONTO_PMU_COM_GDSCR_HW_CTRL); |
Sameer Thalappil | bcc0618 | 2013-05-30 16:18:57 -0700 | [diff] [blame] | 640 | writel_relaxed(reg, reg_addr); |
| 641 | |
| 642 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_CBCR_OFFSET; |
| 643 | reg = readl_relaxed(reg_addr); |
| 644 | reg |= PRONTO_PMU_CBCR_CLK_EN; |
| 645 | writel_relaxed(reg, reg_addr); |
| 646 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 647 | reg_addr = penv->pronto_a2xb_base + A2XB_CFG_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 648 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 649 | pr_err("A2XB_CFG_OFFSET %08x\n", reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 650 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 651 | reg_addr = penv->pronto_a2xb_base + A2XB_INT_SRC_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 652 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 653 | pr_err("A2XB_INT_SRC_OFFSET %08x\n", reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 654 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 655 | reg_addr = penv->pronto_a2xb_base + A2XB_ERR_INFO_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 656 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 657 | pr_err("A2XB_ERR_INFO_OFFSET %08x\n", reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 658 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 659 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_INVALID_ADDR_OFFSET; |
| 660 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 661 | pr_err("CCU_CCPU_INVALID_ADDR %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 662 | |
| 663 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR0_OFFSET; |
| 664 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 665 | pr_err("CCU_CCPU_LAST_ADDR0 %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 666 | |
| 667 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR1_OFFSET; |
| 668 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 669 | pr_err("CCU_CCPU_LAST_ADDR1 %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 670 | |
| 671 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR2_OFFSET; |
| 672 | reg = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 673 | pr_err("CCU_CCPU_LAST_ADDR2 %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 674 | |
| 675 | tst_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_OFFSET; |
| 676 | tst_ctrl_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_CTRL_OFFSET; |
| 677 | |
| 678 | /* read data FIFO */ |
| 679 | reg = 0; |
| 680 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_RDFIFO; |
| 681 | writel_relaxed(reg, tst_ctrl_addr); |
| 682 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 683 | pr_err("Read data FIFO testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 684 | |
| 685 | /* command FIFO */ |
| 686 | reg = 0; |
| 687 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CMDFIFO; |
| 688 | writel_relaxed(reg, tst_ctrl_addr); |
| 689 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 690 | pr_err("Command FIFO testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 691 | |
| 692 | /* write data FIFO */ |
| 693 | reg = 0; |
| 694 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_WRFIFO; |
| 695 | writel_relaxed(reg, tst_ctrl_addr); |
| 696 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 697 | pr_err("Rrite data FIFO testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 698 | |
| 699 | /* AXIM SEL CFG0 */ |
| 700 | reg = 0; |
| 701 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_AXIM | |
| 702 | WCNSS_TSTBUS_CTRL_AXIM_CFG0; |
| 703 | writel_relaxed(reg, tst_ctrl_addr); |
| 704 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 705 | pr_err("AXIM SEL CFG0 testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 706 | |
| 707 | /* AXIM SEL CFG1 */ |
| 708 | reg = 0; |
| 709 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_AXIM | |
| 710 | WCNSS_TSTBUS_CTRL_AXIM_CFG1; |
| 711 | writel_relaxed(reg, tst_ctrl_addr); |
| 712 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 713 | pr_err("AXIM SEL CFG1 testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 714 | |
| 715 | /* CTRL SEL CFG0 */ |
| 716 | reg = 0; |
| 717 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CTRL | |
| 718 | WCNSS_TSTBUS_CTRL_CTRL_CFG0; |
| 719 | writel_relaxed(reg, tst_ctrl_addr); |
| 720 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 721 | pr_err("CTRL SEL CFG0 testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 722 | |
| 723 | /* CTRL SEL CFG1 */ |
| 724 | reg = 0; |
| 725 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CTRL | |
| 726 | WCNSS_TSTBUS_CTRL_CTRL_CFG1; |
| 727 | writel_relaxed(reg, tst_ctrl_addr); |
| 728 | reg = readl_relaxed(tst_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 729 | pr_err("CTRL SEL CFG1 testbus %08x\n", reg); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 730 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 731 | |
| 732 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_WLAN_BCR_OFFSET; |
| 733 | reg = readl_relaxed(reg_addr); |
| 734 | |
| 735 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_WLAN_GDSCR_OFFSET; |
| 736 | reg2 = readl_relaxed(reg_addr); |
| 737 | |
Mihir Shete | 31396f4 | 2013-10-18 13:34:03 -0700 | [diff] [blame] | 738 | reg_addr = penv->msm_wcnss_base + PRONTO_PMU_WLAN_AHB_CBCR_OFFSET; |
| 739 | reg3 = readl_relaxed(reg_addr); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 740 | pr_err("PMU_WLAN_AHB_CBCR %08x\n", reg3); |
Mihir Shete | 31396f4 | 2013-10-18 13:34:03 -0700 | [diff] [blame] | 741 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 742 | if ((reg & PRONTO_PMU_WLAN_BCR_BLK_ARES) || |
Mihir Shete | 31396f4 | 2013-10-18 13:34:03 -0700 | [diff] [blame] | 743 | (reg2 & PRONTO_PMU_WLAN_GDSCR_SW_COLLAPSE) || |
| 744 | (!(reg4 & PRONTO_PMU_CPU_AHB_CMD_RCGR_ROOT_EN)) || |
| 745 | (reg3 & PRONTO_PMU_WLAN_AHB_CBCR_CLK_OFF) || |
| 746 | (!(reg3 & PRONTO_PMU_WLAN_AHB_CBCR_CLK_EN))) { |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 747 | pr_err("Cannot log, wlan domain is power collapsed\n"); |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 748 | return; |
| 749 | } |
| 750 | |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 751 | msleep(50); |
| 752 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 753 | reg = readl_relaxed(penv->wlan_tx_phy_aborts); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 754 | pr_err("WLAN_TX_PHY_ABORTS %08x\n", reg); |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 755 | |
Mihir Shete | e640cf1 | 2014-03-13 21:59:22 +0530 | [diff] [blame] | 756 | reg_addr = penv->pronto_mcu_base + MCU_APB2PHY_STATUS_OFFSET; |
| 757 | reg = readl_relaxed(reg_addr); |
| 758 | pr_err("MCU_APB2PHY_STATUS %08x\n", reg); |
| 759 | |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 760 | reg_addr = penv->pronto_mcu_base + MCU_CBR_CCAHB_ERR_OFFSET; |
| 761 | reg = readl_relaxed(reg_addr); |
| 762 | pr_err("MCU_CBR_CCAHB_ERR %08x\n", reg); |
| 763 | |
| 764 | reg_addr = penv->pronto_mcu_base + MCU_CBR_CAHB_ERR_OFFSET; |
| 765 | reg = readl_relaxed(reg_addr); |
| 766 | pr_err("MCU_CBR_CAHB_ERR %08x\n", reg); |
| 767 | |
| 768 | reg_addr = penv->pronto_mcu_base + MCU_CBR_CCAHB_TIMEOUT_OFFSET; |
| 769 | reg = readl_relaxed(reg_addr); |
| 770 | pr_err("MCU_CBR_CCAHB_TIMEOUT %08x\n", reg); |
| 771 | |
| 772 | reg_addr = penv->pronto_mcu_base + MCU_CBR_CAHB_TIMEOUT_OFFSET; |
| 773 | reg = readl_relaxed(reg_addr); |
| 774 | pr_err("MCU_CBR_CAHB_TIMEOUT %08x\n", reg); |
| 775 | |
| 776 | reg_addr = penv->pronto_mcu_base + MCU_DBR_CDAHB_ERR_OFFSET; |
| 777 | reg = readl_relaxed(reg_addr); |
| 778 | pr_err("MCU_DBR_CDAHB_ERR %08x\n", reg); |
| 779 | |
| 780 | reg_addr = penv->pronto_mcu_base + MCU_DBR_DAHB_ERR_OFFSET; |
| 781 | reg = readl_relaxed(reg_addr); |
| 782 | pr_err("MCU_DBR_DAHB_ERR %08x\n", reg); |
| 783 | |
| 784 | reg_addr = penv->pronto_mcu_base + MCU_DBR_CDAHB_TIMEOUT_OFFSET; |
| 785 | reg = readl_relaxed(reg_addr); |
| 786 | pr_err("MCU_DBR_CDAHB_TIMEOUT %08x\n", reg); |
| 787 | |
| 788 | reg_addr = penv->pronto_mcu_base + MCU_DBR_DAHB_TIMEOUT_OFFSET; |
| 789 | reg = readl_relaxed(reg_addr); |
| 790 | pr_err("MCU_DBR_DAHB_TIMEOUT %08x\n", reg); |
| 791 | |
| 792 | reg_addr = penv->pronto_mcu_base + MCU_FDBR_CDAHB_ERR_OFFSET; |
| 793 | reg = readl_relaxed(reg_addr); |
| 794 | pr_err("MCU_FDBR_CDAHB_ERR %08x\n", reg); |
| 795 | |
| 796 | reg_addr = penv->pronto_mcu_base + MCU_FDBR_FDAHB_ERR_OFFSET; |
| 797 | reg = readl_relaxed(reg_addr); |
| 798 | pr_err("MCU_FDBR_FDAHB_ERR %08x\n", reg); |
| 799 | |
| 800 | reg_addr = penv->pronto_mcu_base + MCU_FDBR_CDAHB_TIMEOUT_OFFSET; |
| 801 | reg = readl_relaxed(reg_addr); |
| 802 | pr_err("MCU_FDBR_CDAHB_TIMEOUT %08x\n", reg); |
| 803 | |
| 804 | reg_addr = penv->pronto_mcu_base + MCU_FDBR_FDAHB_TIMEOUT_OFFSET; |
| 805 | reg = readl_relaxed(reg_addr); |
| 806 | pr_err("MCU_FDBR_FDAHB_TIMEOUT %08x\n", reg); |
| 807 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 808 | reg = readl_relaxed(penv->wlan_brdg_err_source); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 809 | pr_err("WLAN_BRDG_ERR_SOURCE %08x\n", reg); |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 810 | |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 811 | reg = readl_relaxed(penv->wlan_tx_status); |
Sameer Thalappil | d9936ba | 2013-12-17 14:49:22 -0800 | [diff] [blame] | 812 | pr_err("WLAN_TXP_STATUS %08x\n", reg); |
Sameer Thalappil | 7f2d82f | 2013-12-17 11:26:18 -0800 | [diff] [blame] | 813 | |
| 814 | reg = readl_relaxed(penv->alarms_txctl); |
| 815 | pr_err("ALARMS_TXCTL %08x\n", reg); |
| 816 | |
| 817 | reg = readl_relaxed(penv->alarms_tactl); |
| 818 | pr_err("ALARMS_TACTL %08x\n", reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 819 | } |
| 820 | EXPORT_SYMBOL(wcnss_pronto_log_debug_regs); |
| 821 | |
Sameer Thalappil | 36f7a1a | 2013-10-09 18:32:38 -0700 | [diff] [blame] | 822 | #ifdef CONFIG_WCNSS_REGISTER_DUMP_ON_BITE |
Yue Ma | 10d8875 | 2014-02-20 17:12:05 -0800 | [diff] [blame] | 823 | static void wcnss_log_iris_regs(void) |
| 824 | { |
| 825 | int i; |
| 826 | u32 reg_val; |
| 827 | u32 regs_array[] = { |
| 828 | 0x04, 0x05, 0x11, 0x1e, 0x40, 0x48, |
| 829 | 0x49, 0x4b, 0x00, 0x01, 0x4d}; |
| 830 | |
| 831 | pr_info("IRIS Registers [address] : value\n"); |
| 832 | |
| 833 | for (i = 0; i < ARRAY_SIZE(regs_array); i++) { |
| 834 | reg_val = wcnss_rf_read_reg(regs_array[i]); |
| 835 | pr_info("[0x%08x] : 0x%08x\n", regs_array[i], reg_val); |
| 836 | } |
| 837 | } |
| 838 | |
Sameer Thalappil | 36f7a1a | 2013-10-09 18:32:38 -0700 | [diff] [blame] | 839 | void wcnss_log_debug_regs_on_bite(void) |
| 840 | { |
Yue Ma | dd5e396 | 2013-12-20 18:55:01 -0800 | [diff] [blame] | 841 | struct platform_device *pdev = wcnss_get_platform_device(); |
| 842 | struct clk *measure; |
| 843 | struct clk *wcnss_debug_mux; |
| 844 | unsigned long clk_rate; |
| 845 | |
| 846 | if (wcnss_hardware_type() != WCNSS_PRONTO_HW) |
| 847 | return; |
| 848 | |
| 849 | measure = clk_get(&pdev->dev, "measure"); |
| 850 | wcnss_debug_mux = clk_get(&pdev->dev, "wcnss_debug"); |
| 851 | |
| 852 | if (!IS_ERR(measure) && !IS_ERR(wcnss_debug_mux)) { |
| 853 | if (clk_set_parent(measure, wcnss_debug_mux)) |
| 854 | return; |
| 855 | |
| 856 | clk_rate = clk_get_rate(measure); |
| 857 | pr_debug("wcnss: clock frequency is: %luHz\n", clk_rate); |
| 858 | |
Yue Ma | 10d8875 | 2014-02-20 17:12:05 -0800 | [diff] [blame] | 859 | if (clk_rate) { |
Yue Ma | dd5e396 | 2013-12-20 18:55:01 -0800 | [diff] [blame] | 860 | wcnss_pronto_log_debug_regs(); |
Yue Ma | 10d8875 | 2014-02-20 17:12:05 -0800 | [diff] [blame] | 861 | } else { |
Yue Ma | dd5e396 | 2013-12-20 18:55:01 -0800 | [diff] [blame] | 862 | pr_err("clock frequency is zero, cannot access PMU or other registers\n"); |
Yue Ma | 10d8875 | 2014-02-20 17:12:05 -0800 | [diff] [blame] | 863 | wcnss_log_iris_regs(); |
| 864 | } |
Yue Ma | dd5e396 | 2013-12-20 18:55:01 -0800 | [diff] [blame] | 865 | } |
Sameer Thalappil | 36f7a1a | 2013-10-09 18:32:38 -0700 | [diff] [blame] | 866 | } |
| 867 | #endif |
| 868 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 869 | /* interface to reset wcnss by sending the reset interrupt */ |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 870 | void wcnss_reset_intr(void) |
| 871 | { |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 872 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) { |
| 873 | wcnss_pronto_log_debug_regs(); |
Sameer Thalappil | 3492076 | 2013-03-21 15:43:28 -0700 | [diff] [blame] | 874 | wmb(); |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 875 | __raw_writel(1 << 16, penv->fiq_reg); |
Sameer Thalappil | 3492076 | 2013-03-21 15:43:28 -0700 | [diff] [blame] | 876 | } else { |
| 877 | wcnss_riva_log_debug_regs(); |
| 878 | wmb(); |
| 879 | __raw_writel(1 << 24, MSM_APCS_GCC_BASE + 0x8); |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 880 | } |
| 881 | } |
| 882 | EXPORT_SYMBOL(wcnss_reset_intr); |
| 883 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 884 | static int wcnss_create_sysfs(struct device *dev) |
| 885 | { |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 886 | int ret; |
| 887 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 888 | if (!dev) |
| 889 | return -ENODEV; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 890 | |
| 891 | ret = device_create_file(dev, &dev_attr_serial_number); |
| 892 | if (ret) |
| 893 | return ret; |
| 894 | |
| 895 | ret = device_create_file(dev, &dev_attr_thermal_mitigation); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 896 | if (ret) |
| 897 | goto remove_serial; |
| 898 | |
| 899 | ret = device_create_file(dev, &dev_attr_wcnss_version); |
| 900 | if (ret) |
| 901 | goto remove_thermal; |
| 902 | |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 903 | ret = device_create_file(dev, &dev_attr_wcnss_mac_addr); |
| 904 | if (ret) |
| 905 | goto remove_version; |
| 906 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 907 | return 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 908 | |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 909 | remove_version: |
| 910 | device_remove_file(dev, &dev_attr_wcnss_version); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 911 | remove_thermal: |
| 912 | device_remove_file(dev, &dev_attr_thermal_mitigation); |
| 913 | remove_serial: |
| 914 | device_remove_file(dev, &dev_attr_serial_number); |
| 915 | |
| 916 | return ret; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | static void wcnss_remove_sysfs(struct device *dev) |
| 920 | { |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 921 | if (dev) { |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 922 | device_remove_file(dev, &dev_attr_serial_number); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 923 | device_remove_file(dev, &dev_attr_thermal_mitigation); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 924 | device_remove_file(dev, &dev_attr_wcnss_version); |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 925 | device_remove_file(dev, &dev_attr_wcnss_mac_addr); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | static void wcnss_smd_notify_event(void *data, unsigned int event) |
| 929 | { |
| 930 | int len = 0; |
| 931 | |
| 932 | if (penv != data) { |
| 933 | pr_err("wcnss: invalid env pointer in smd callback\n"); |
| 934 | return; |
| 935 | } |
| 936 | switch (event) { |
| 937 | case SMD_EVENT_DATA: |
| 938 | len = smd_read_avail(penv->smd_ch); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 939 | if (len < 0) { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 940 | pr_err("wcnss: failed to read from smd %d\n", len); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 941 | return; |
| 942 | } |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 943 | schedule_work(&penv->wcnssctrl_rx_work); |
| 944 | break; |
| 945 | |
| 946 | case SMD_EVENT_OPEN: |
| 947 | pr_debug("wcnss: opening WCNSS SMD channel :%s", |
| 948 | WCNSS_CTRL_CHANNEL); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 949 | schedule_work(&penv->wcnssctrl_version_work); |
Hardik Kantilal Patel | 880805e | 2014-05-28 12:50:30 +0530 | [diff] [blame^] | 950 | schedule_work(&penv->wcnss_pm_config_work); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 951 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 952 | break; |
| 953 | |
| 954 | case SMD_EVENT_CLOSE: |
| 955 | pr_debug("wcnss: closing WCNSS SMD channel :%s", |
| 956 | WCNSS_CTRL_CHANNEL); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 957 | penv->nv_downloaded = 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 958 | break; |
| 959 | |
| 960 | default: |
| 961 | break; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 962 | } |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 963 | } |
| 964 | |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 965 | static void wcnss_post_bootup(struct work_struct *work) |
| 966 | { |
Sheng Fang | bb42167 | 2013-03-19 08:27:28 +0800 | [diff] [blame] | 967 | if (do_not_cancel_vote == 1) { |
| 968 | pr_info("%s: Keeping APPS vote for Iris & WCNSS\n", __func__); |
| 969 | return; |
| 970 | } |
| 971 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 972 | pr_info("%s: Cancel APPS vote for Iris & WCNSS\n", __func__); |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 973 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 974 | /* Since WCNSS is up, cancel any APPS vote for Iris & WCNSS VREGs */ |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 975 | wcnss_wlan_power(&penv->pdev->dev, &penv->wlan_config, |
Sameer Thalappil | 1d69b802 | 2013-06-10 19:10:07 -0700 | [diff] [blame] | 976 | WCNSS_WLAN_SWITCH_OFF, NULL); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 977 | |
| 978 | } |
| 979 | |
| 980 | static int |
| 981 | wcnss_pronto_gpios_config(struct device *dev, bool enable) |
| 982 | { |
| 983 | int rc = 0; |
| 984 | int i, j; |
| 985 | int WCNSS_WLAN_NUM_GPIOS = 5; |
| 986 | |
| 987 | for (i = 0; i < WCNSS_WLAN_NUM_GPIOS; i++) { |
| 988 | int gpio = of_get_gpio(dev->of_node, i); |
| 989 | if (enable) { |
| 990 | rc = gpio_request(gpio, "wcnss_wlan"); |
| 991 | if (rc) { |
| 992 | pr_err("WCNSS gpio_request %d err %d\n", |
| 993 | gpio, rc); |
| 994 | goto fail; |
| 995 | } |
| 996 | } else |
| 997 | gpio_free(gpio); |
| 998 | } |
| 999 | |
| 1000 | return rc; |
| 1001 | |
| 1002 | fail: |
| 1003 | for (j = WCNSS_WLAN_NUM_GPIOS-1; j >= 0; j--) { |
| 1004 | int gpio = of_get_gpio(dev->of_node, i); |
| 1005 | gpio_free(gpio); |
| 1006 | } |
| 1007 | return rc; |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 1008 | } |
| 1009 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 1010 | static int |
| 1011 | wcnss_gpios_config(struct resource *gpios_5wire, bool enable) |
| 1012 | { |
| 1013 | int i, j; |
| 1014 | int rc = 0; |
| 1015 | |
| 1016 | for (i = gpios_5wire->start; i <= gpios_5wire->end; i++) { |
| 1017 | if (enable) { |
| 1018 | rc = gpio_request(i, gpios_5wire->name); |
| 1019 | if (rc) { |
| 1020 | pr_err("WCNSS gpio_request %d err %d\n", i, rc); |
| 1021 | goto fail; |
| 1022 | } |
| 1023 | } else |
| 1024 | gpio_free(i); |
| 1025 | } |
| 1026 | |
| 1027 | return rc; |
| 1028 | |
| 1029 | fail: |
| 1030 | for (j = i-1; j >= gpios_5wire->start; j--) |
| 1031 | gpio_free(j); |
| 1032 | return rc; |
| 1033 | } |
| 1034 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1035 | static int __devinit |
| 1036 | wcnss_wlan_ctrl_probe(struct platform_device *pdev) |
| 1037 | { |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 1038 | if (!penv || !penv->triggered) |
Sameer Thalappil | 667f43f | 2011-10-10 11:12:54 -0700 | [diff] [blame] | 1039 | return -ENODEV; |
| 1040 | |
| 1041 | penv->smd_channel_ready = 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1042 | |
| 1043 | pr_info("%s: SMD ctrl channel up\n", __func__); |
| 1044 | |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 1045 | /* Schedule a work to do any post boot up activity */ |
| 1046 | INIT_DELAYED_WORK(&penv->wcnss_work, wcnss_post_bootup); |
| 1047 | schedule_delayed_work(&penv->wcnss_work, msecs_to_jiffies(10000)); |
| 1048 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1049 | return 0; |
| 1050 | } |
| 1051 | |
Sameer Thalappil | 13f4518 | 2012-07-23 18:02:45 -0700 | [diff] [blame] | 1052 | void wcnss_flush_delayed_boot_votes() |
| 1053 | { |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1054 | flush_delayed_work(&penv->wcnss_work); |
Sameer Thalappil | 13f4518 | 2012-07-23 18:02:45 -0700 | [diff] [blame] | 1055 | } |
| 1056 | EXPORT_SYMBOL(wcnss_flush_delayed_boot_votes); |
| 1057 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1058 | static int __devexit |
| 1059 | wcnss_wlan_ctrl_remove(struct platform_device *pdev) |
| 1060 | { |
| 1061 | if (penv) |
| 1062 | penv->smd_channel_ready = 0; |
| 1063 | |
| 1064 | pr_info("%s: SMD ctrl channel down\n", __func__); |
| 1065 | |
| 1066 | return 0; |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | static struct platform_driver wcnss_wlan_ctrl_driver = { |
| 1071 | .driver = { |
| 1072 | .name = "WLAN_CTRL", |
| 1073 | .owner = THIS_MODULE, |
| 1074 | }, |
| 1075 | .probe = wcnss_wlan_ctrl_probe, |
| 1076 | .remove = __devexit_p(wcnss_wlan_ctrl_remove), |
| 1077 | }; |
| 1078 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1079 | static int __devexit |
| 1080 | wcnss_ctrl_remove(struct platform_device *pdev) |
| 1081 | { |
| 1082 | if (penv && penv->smd_ch) |
| 1083 | smd_close(penv->smd_ch); |
| 1084 | |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
| 1088 | static int __devinit |
| 1089 | wcnss_ctrl_probe(struct platform_device *pdev) |
| 1090 | { |
| 1091 | int ret = 0; |
| 1092 | |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 1093 | if (!penv || !penv->triggered) |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1094 | return -ENODEV; |
| 1095 | |
| 1096 | ret = smd_named_open_on_edge(WCNSS_CTRL_CHANNEL, SMD_APPS_WCNSS, |
| 1097 | &penv->smd_ch, penv, wcnss_smd_notify_event); |
| 1098 | if (ret < 0) { |
| 1099 | pr_err("wcnss: cannot open the smd command channel %s: %d\n", |
| 1100 | WCNSS_CTRL_CHANNEL, ret); |
| 1101 | return -ENODEV; |
| 1102 | } |
| 1103 | smd_disable_read_intr(penv->smd_ch); |
| 1104 | |
| 1105 | return 0; |
| 1106 | } |
| 1107 | |
| 1108 | /* platform device for WCNSS_CTRL SMD channel */ |
| 1109 | static struct platform_driver wcnss_ctrl_driver = { |
| 1110 | .driver = { |
| 1111 | .name = "WCNSS_CTRL", |
| 1112 | .owner = THIS_MODULE, |
| 1113 | }, |
| 1114 | .probe = wcnss_ctrl_probe, |
| 1115 | .remove = __devexit_p(wcnss_ctrl_remove), |
| 1116 | }; |
| 1117 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1118 | struct device *wcnss_wlan_get_device(void) |
| 1119 | { |
| 1120 | if (penv && penv->pdev && penv->smd_channel_ready) |
| 1121 | return &penv->pdev->dev; |
| 1122 | return NULL; |
| 1123 | } |
| 1124 | EXPORT_SYMBOL(wcnss_wlan_get_device); |
| 1125 | |
Sameer Thalappil | 409ed35 | 2011-12-07 10:53:31 -0800 | [diff] [blame] | 1126 | struct platform_device *wcnss_get_platform_device(void) |
| 1127 | { |
| 1128 | if (penv && penv->pdev) |
| 1129 | return penv->pdev; |
| 1130 | return NULL; |
| 1131 | } |
| 1132 | EXPORT_SYMBOL(wcnss_get_platform_device); |
| 1133 | |
| 1134 | struct wcnss_wlan_config *wcnss_get_wlan_config(void) |
| 1135 | { |
| 1136 | if (penv && penv->pdev) |
| 1137 | return &penv->wlan_config; |
| 1138 | return NULL; |
| 1139 | } |
| 1140 | EXPORT_SYMBOL(wcnss_get_wlan_config); |
| 1141 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1142 | int wcnss_device_ready(void) |
| 1143 | { |
Mihir Shete | 173dafe | 2014-03-13 18:50:49 +0530 | [diff] [blame] | 1144 | if (penv && penv->pdev && penv->nv_downloaded && |
| 1145 | !wcnss_device_is_shutdown()) |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1146 | return 1; |
| 1147 | return 0; |
| 1148 | } |
| 1149 | EXPORT_SYMBOL(wcnss_device_ready); |
| 1150 | |
Mihir Shete | 173dafe | 2014-03-13 18:50:49 +0530 | [diff] [blame] | 1151 | int wcnss_device_is_shutdown(void) |
| 1152 | { |
| 1153 | if (penv && penv->is_shutdown) |
| 1154 | return 1; |
| 1155 | return 0; |
| 1156 | } |
| 1157 | EXPORT_SYMBOL(wcnss_device_is_shutdown); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1158 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1159 | struct resource *wcnss_wlan_get_memory_map(struct device *dev) |
| 1160 | { |
| 1161 | if (penv && dev && (dev == &penv->pdev->dev) && penv->smd_channel_ready) |
| 1162 | return penv->mmio_res; |
| 1163 | return NULL; |
| 1164 | } |
| 1165 | EXPORT_SYMBOL(wcnss_wlan_get_memory_map); |
| 1166 | |
| 1167 | int wcnss_wlan_get_dxe_tx_irq(struct device *dev) |
| 1168 | { |
| 1169 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 1170 | penv->tx_irq_res && penv->smd_channel_ready) |
| 1171 | return penv->tx_irq_res->start; |
| 1172 | return WCNSS_WLAN_IRQ_INVALID; |
| 1173 | } |
| 1174 | EXPORT_SYMBOL(wcnss_wlan_get_dxe_tx_irq); |
| 1175 | |
| 1176 | int wcnss_wlan_get_dxe_rx_irq(struct device *dev) |
| 1177 | { |
| 1178 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 1179 | penv->rx_irq_res && penv->smd_channel_ready) |
| 1180 | return penv->rx_irq_res->start; |
| 1181 | return WCNSS_WLAN_IRQ_INVALID; |
| 1182 | } |
| 1183 | EXPORT_SYMBOL(wcnss_wlan_get_dxe_rx_irq); |
| 1184 | |
| 1185 | void wcnss_wlan_register_pm_ops(struct device *dev, |
| 1186 | const struct dev_pm_ops *pm_ops) |
| 1187 | { |
| 1188 | if (penv && dev && (dev == &penv->pdev->dev) && pm_ops) |
| 1189 | penv->pm_ops = pm_ops; |
| 1190 | } |
| 1191 | EXPORT_SYMBOL(wcnss_wlan_register_pm_ops); |
| 1192 | |
Sameer Thalappil | ecdd100 | 2011-09-09 10:52:27 -0700 | [diff] [blame] | 1193 | void wcnss_wlan_unregister_pm_ops(struct device *dev, |
| 1194 | const struct dev_pm_ops *pm_ops) |
| 1195 | { |
| 1196 | if (penv && dev && (dev == &penv->pdev->dev) && pm_ops) { |
| 1197 | if (pm_ops->suspend != penv->pm_ops->suspend || |
| 1198 | pm_ops->resume != penv->pm_ops->resume) |
| 1199 | pr_err("PM APIs dont match with registered APIs\n"); |
| 1200 | penv->pm_ops = NULL; |
| 1201 | } |
| 1202 | } |
| 1203 | EXPORT_SYMBOL(wcnss_wlan_unregister_pm_ops); |
| 1204 | |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 1205 | void wcnss_register_thermal_mitigation(struct device *dev, |
| 1206 | void (*tm_notify)(struct device *, int)) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 1207 | { |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 1208 | if (penv && dev && tm_notify) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 1209 | penv->tm_notify = tm_notify; |
| 1210 | } |
| 1211 | EXPORT_SYMBOL(wcnss_register_thermal_mitigation); |
| 1212 | |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 1213 | void wcnss_unregister_thermal_mitigation( |
| 1214 | void (*tm_notify)(struct device *, int)) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 1215 | { |
| 1216 | if (penv && tm_notify) { |
| 1217 | if (tm_notify != penv->tm_notify) |
| 1218 | pr_err("tm_notify doesn't match registered\n"); |
| 1219 | penv->tm_notify = NULL; |
| 1220 | } |
| 1221 | } |
| 1222 | EXPORT_SYMBOL(wcnss_unregister_thermal_mitigation); |
| 1223 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 1224 | unsigned int wcnss_get_serial_number(void) |
| 1225 | { |
| 1226 | if (penv) |
| 1227 | return penv->serial_number; |
| 1228 | return 0; |
| 1229 | } |
| 1230 | EXPORT_SYMBOL(wcnss_get_serial_number); |
| 1231 | |
Hardik Kantilal Patel | 0a6ed94 | 2013-12-17 19:33:07 +0530 | [diff] [blame] | 1232 | int wcnss_get_wlan_mac_address(char mac_addr[WLAN_MAC_ADDR_SIZE]) |
| 1233 | { |
| 1234 | if (!penv) |
| 1235 | return -ENODEV; |
| 1236 | |
| 1237 | memcpy(mac_addr, penv->wlan_nv_macAddr, WLAN_MAC_ADDR_SIZE); |
| 1238 | pr_debug("%s: Get MAC Addr:" MAC_ADDRESS_STR "\n", __func__, |
| 1239 | penv->wlan_nv_macAddr[0], penv->wlan_nv_macAddr[1], |
| 1240 | penv->wlan_nv_macAddr[2], penv->wlan_nv_macAddr[3], |
| 1241 | penv->wlan_nv_macAddr[4], penv->wlan_nv_macAddr[5]); |
| 1242 | return 0; |
| 1243 | } |
| 1244 | EXPORT_SYMBOL(wcnss_get_wlan_mac_address); |
| 1245 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1246 | static int enable_wcnss_suspend_notify; |
| 1247 | |
| 1248 | static int enable_wcnss_suspend_notify_set(const char *val, |
| 1249 | struct kernel_param *kp) |
| 1250 | { |
| 1251 | int ret; |
| 1252 | |
| 1253 | ret = param_set_int(val, kp); |
| 1254 | if (ret) |
| 1255 | return ret; |
| 1256 | |
| 1257 | if (enable_wcnss_suspend_notify) |
| 1258 | pr_debug("Suspend notification activated for wcnss\n"); |
| 1259 | |
| 1260 | return 0; |
| 1261 | } |
| 1262 | module_param_call(enable_wcnss_suspend_notify, enable_wcnss_suspend_notify_set, |
| 1263 | param_get_int, &enable_wcnss_suspend_notify, S_IRUGO | S_IWUSR); |
| 1264 | |
Sameer Thalappil | 58cec31 | 2013-05-13 15:52:08 -0700 | [diff] [blame] | 1265 | int wcnss_xo_auto_detect_enabled(void) |
| 1266 | { |
| 1267 | return (has_autodetect_xo == 1 ? 1 : 0); |
| 1268 | } |
| 1269 | |
Sameer Thalappil | 1d69b802 | 2013-06-10 19:10:07 -0700 | [diff] [blame] | 1270 | int wcnss_wlan_iris_xo_mode(void) |
| 1271 | { |
| 1272 | if (penv && penv->pdev && penv->smd_channel_ready) |
| 1273 | return penv->iris_xo_mode_set; |
| 1274 | return -ENODEV; |
| 1275 | } |
| 1276 | EXPORT_SYMBOL(wcnss_wlan_iris_xo_mode); |
| 1277 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1278 | |
| 1279 | void wcnss_suspend_notify(void) |
| 1280 | { |
| 1281 | void __iomem *pmu_spare_reg; |
| 1282 | u32 reg = 0; |
| 1283 | unsigned long flags; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1284 | |
| 1285 | if (!enable_wcnss_suspend_notify) |
| 1286 | return; |
| 1287 | |
| 1288 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) |
| 1289 | return; |
| 1290 | |
| 1291 | /* For Riva */ |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1292 | pmu_spare_reg = penv->msm_wcnss_base + RIVA_SPARE_OFFSET; |
| 1293 | spin_lock_irqsave(®_spinlock, flags); |
| 1294 | reg = readl_relaxed(pmu_spare_reg); |
| 1295 | reg |= RIVA_SUSPEND_BIT; |
| 1296 | writel_relaxed(reg, pmu_spare_reg); |
| 1297 | spin_unlock_irqrestore(®_spinlock, flags); |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1298 | } |
| 1299 | EXPORT_SYMBOL(wcnss_suspend_notify); |
| 1300 | |
| 1301 | void wcnss_resume_notify(void) |
| 1302 | { |
| 1303 | void __iomem *pmu_spare_reg; |
| 1304 | u32 reg = 0; |
| 1305 | unsigned long flags; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1306 | |
| 1307 | if (!enable_wcnss_suspend_notify) |
| 1308 | return; |
| 1309 | |
| 1310 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) |
| 1311 | return; |
| 1312 | |
| 1313 | /* For Riva */ |
| 1314 | pmu_spare_reg = penv->msm_wcnss_base + RIVA_SPARE_OFFSET; |
| 1315 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1316 | spin_lock_irqsave(®_spinlock, flags); |
| 1317 | reg = readl_relaxed(pmu_spare_reg); |
| 1318 | reg &= ~RIVA_SUSPEND_BIT; |
| 1319 | writel_relaxed(reg, pmu_spare_reg); |
| 1320 | spin_unlock_irqrestore(®_spinlock, flags); |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1321 | } |
| 1322 | EXPORT_SYMBOL(wcnss_resume_notify); |
| 1323 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1324 | static int wcnss_wlan_suspend(struct device *dev) |
| 1325 | { |
| 1326 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 1327 | penv->smd_channel_ready && |
| 1328 | penv->pm_ops && penv->pm_ops->suspend) |
| 1329 | return penv->pm_ops->suspend(dev); |
| 1330 | return 0; |
| 1331 | } |
| 1332 | |
| 1333 | static int wcnss_wlan_resume(struct device *dev) |
| 1334 | { |
| 1335 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 1336 | penv->smd_channel_ready && |
| 1337 | penv->pm_ops && penv->pm_ops->resume) |
| 1338 | return penv->pm_ops->resume(dev); |
| 1339 | return 0; |
| 1340 | } |
| 1341 | |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 1342 | void wcnss_prevent_suspend() |
| 1343 | { |
| 1344 | if (penv) |
| 1345 | wake_lock(&penv->wcnss_wake_lock); |
| 1346 | } |
| 1347 | EXPORT_SYMBOL(wcnss_prevent_suspend); |
| 1348 | |
| 1349 | void wcnss_allow_suspend() |
| 1350 | { |
| 1351 | if (penv) |
| 1352 | wake_unlock(&penv->wcnss_wake_lock); |
| 1353 | } |
| 1354 | EXPORT_SYMBOL(wcnss_allow_suspend); |
| 1355 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1356 | int wcnss_hardware_type(void) |
| 1357 | { |
| 1358 | if (penv) |
| 1359 | return penv->wcnss_hw_type; |
| 1360 | else |
| 1361 | return -ENODEV; |
| 1362 | } |
| 1363 | EXPORT_SYMBOL(wcnss_hardware_type); |
| 1364 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1365 | int fw_cal_data_available(void) |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 1366 | { |
| 1367 | if (penv) |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1368 | return penv->fw_cal_available; |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 1369 | else |
| 1370 | return -ENODEV; |
| 1371 | } |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 1372 | |
Sameer Thalappil | d0952f6 | 2013-05-03 10:18:29 -0700 | [diff] [blame] | 1373 | u32 wcnss_get_wlan_rx_buff_count(void) |
| 1374 | { |
| 1375 | if (penv) |
| 1376 | return penv->wlan_rx_buff_count; |
| 1377 | else |
| 1378 | return WCNSS_DEF_WLAN_RX_BUFF_COUNT; |
| 1379 | |
| 1380 | } |
| 1381 | EXPORT_SYMBOL(wcnss_get_wlan_rx_buff_count); |
| 1382 | |
Leo Chang | f98087f | 2013-11-14 15:08:24 -0800 | [diff] [blame] | 1383 | int wcnss_set_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 ch_count) |
| 1384 | { |
| 1385 | if (penv && unsafe_ch_list && |
| 1386 | (ch_count <= WCNSS_MAX_CH_NUM)) { |
| 1387 | memcpy((char *)penv->unsafe_ch_list, |
| 1388 | (char *)unsafe_ch_list, ch_count * sizeof(u16)); |
| 1389 | penv->unsafe_ch_count = ch_count; |
| 1390 | return 0; |
| 1391 | } else |
| 1392 | return -ENODEV; |
| 1393 | } |
| 1394 | EXPORT_SYMBOL(wcnss_set_wlan_unsafe_channel); |
| 1395 | |
| 1396 | int wcnss_get_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 buffer_size, |
| 1397 | u16 *ch_count) |
| 1398 | { |
| 1399 | if (penv) { |
| 1400 | if (buffer_size < penv->unsafe_ch_count * sizeof(u16)) |
| 1401 | return -ENODEV; |
| 1402 | memcpy((char *)unsafe_ch_list, |
| 1403 | (char *)penv->unsafe_ch_list, |
| 1404 | penv->unsafe_ch_count * sizeof(u16)); |
| 1405 | *ch_count = penv->unsafe_ch_count; |
| 1406 | return 0; |
| 1407 | } else |
| 1408 | return -ENODEV; |
| 1409 | } |
| 1410 | EXPORT_SYMBOL(wcnss_get_wlan_unsafe_channel); |
| 1411 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1412 | static int wcnss_smd_tx(void *data, int len) |
| 1413 | { |
| 1414 | int ret = 0; |
| 1415 | |
| 1416 | ret = smd_write_avail(penv->smd_ch); |
| 1417 | if (ret < len) { |
| 1418 | pr_err("wcnss: no space available for smd frame\n"); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1419 | return -ENOSPC; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1420 | } |
| 1421 | ret = smd_write(penv->smd_ch, data, len); |
| 1422 | if (ret < len) { |
| 1423 | pr_err("wcnss: failed to write Command %d", len); |
| 1424 | ret = -ENODEV; |
| 1425 | } |
| 1426 | return ret; |
| 1427 | } |
| 1428 | |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 1429 | static void wcnss_notify_vbat(enum qpnp_tm_state state, void *ctx) |
| 1430 | { |
| 1431 | mutex_lock(&penv->vbat_monitor_mutex); |
| 1432 | cancel_delayed_work_sync(&penv->vbatt_work); |
| 1433 | |
| 1434 | if (state == ADC_TM_LOW_STATE) { |
| 1435 | pr_debug("wcnss: low voltage notification triggered\n"); |
| 1436 | penv->vbat_monitor_params.state_request = |
| 1437 | ADC_TM_HIGH_THR_ENABLE; |
| 1438 | penv->vbat_monitor_params.high_thr = WCNSS_VBATT_THRESHOLD + |
| 1439 | WCNSS_VBATT_GUARD; |
| 1440 | penv->vbat_monitor_params.low_thr = 0; |
| 1441 | } else if (state == ADC_TM_HIGH_STATE) { |
| 1442 | penv->vbat_monitor_params.state_request = |
| 1443 | ADC_TM_LOW_THR_ENABLE; |
| 1444 | penv->vbat_monitor_params.low_thr = WCNSS_VBATT_THRESHOLD - |
| 1445 | WCNSS_VBATT_GUARD; |
| 1446 | penv->vbat_monitor_params.high_thr = 0; |
| 1447 | pr_debug("wcnss: high voltage notification triggered\n"); |
| 1448 | } else { |
| 1449 | pr_debug("wcnss: unknown voltage notification state: %d\n", |
| 1450 | state); |
| 1451 | mutex_unlock(&penv->vbat_monitor_mutex); |
| 1452 | return; |
| 1453 | } |
| 1454 | pr_debug("wcnss: set low thr to %d and high to %d\n", |
| 1455 | penv->vbat_monitor_params.low_thr, |
| 1456 | penv->vbat_monitor_params.high_thr); |
| 1457 | |
| 1458 | qpnp_adc_tm_channel_measure(penv->adc_tm_dev, |
| 1459 | &penv->vbat_monitor_params); |
| 1460 | schedule_delayed_work(&penv->vbatt_work, msecs_to_jiffies(2000)); |
| 1461 | mutex_unlock(&penv->vbat_monitor_mutex); |
| 1462 | } |
| 1463 | |
| 1464 | static int wcnss_setup_vbat_monitoring(void) |
| 1465 | { |
| 1466 | int rc = -1; |
| 1467 | |
| 1468 | if (!penv->adc_tm_dev) { |
| 1469 | pr_err("wcnss: not setting up vbatt\n"); |
| 1470 | return rc; |
| 1471 | } |
| 1472 | penv->vbat_monitor_params.low_thr = WCNSS_VBATT_THRESHOLD; |
| 1473 | penv->vbat_monitor_params.high_thr = WCNSS_VBATT_THRESHOLD; |
| 1474 | penv->vbat_monitor_params.state_request = ADC_TM_HIGH_LOW_THR_ENABLE; |
| 1475 | penv->vbat_monitor_params.channel = VBAT_SNS; |
| 1476 | penv->vbat_monitor_params.btm_ctx = (void *)penv; |
| 1477 | penv->vbat_monitor_params.timer_interval = ADC_MEAS1_INTERVAL_1S; |
| 1478 | penv->vbat_monitor_params.threshold_notification = &wcnss_notify_vbat; |
| 1479 | pr_debug("wcnss: set low thr to %d and high to %d\n", |
| 1480 | penv->vbat_monitor_params.low_thr, |
| 1481 | penv->vbat_monitor_params.high_thr); |
| 1482 | |
| 1483 | rc = qpnp_adc_tm_channel_measure(penv->adc_tm_dev, |
| 1484 | &penv->vbat_monitor_params); |
| 1485 | if (rc) |
| 1486 | pr_err("wcnss: tm setup failed: %d\n", rc); |
| 1487 | |
| 1488 | return rc; |
| 1489 | } |
| 1490 | |
| 1491 | static void wcnss_update_vbatt(struct work_struct *work) |
| 1492 | { |
| 1493 | struct vbatt_message vbatt_msg; |
| 1494 | int ret = 0; |
| 1495 | |
| 1496 | vbatt_msg.hdr.msg_type = WCNSS_VBATT_LEVEL_IND; |
| 1497 | vbatt_msg.hdr.msg_len = sizeof(struct vbatt_message); |
| 1498 | vbatt_msg.vbatt.threshold = WCNSS_VBATT_THRESHOLD; |
| 1499 | |
| 1500 | mutex_lock(&penv->vbat_monitor_mutex); |
| 1501 | if (penv->vbat_monitor_params.low_thr && |
| 1502 | (penv->fw_vbatt_state == WCNSS_VBATT_LOW || |
| 1503 | penv->fw_vbatt_state == WCNSS_CONFIG_UNSPECIFIED)) { |
| 1504 | vbatt_msg.vbatt.curr_volt = WCNSS_VBATT_HIGH; |
| 1505 | penv->fw_vbatt_state = WCNSS_VBATT_HIGH; |
| 1506 | pr_debug("wcnss: send HIGH BATT to FW\n"); |
| 1507 | } else if (!penv->vbat_monitor_params.low_thr && |
| 1508 | (penv->fw_vbatt_state == WCNSS_VBATT_HIGH || |
| 1509 | penv->fw_vbatt_state == WCNSS_CONFIG_UNSPECIFIED)){ |
| 1510 | vbatt_msg.vbatt.curr_volt = WCNSS_VBATT_LOW; |
| 1511 | penv->fw_vbatt_state = WCNSS_VBATT_LOW; |
| 1512 | pr_debug("wcnss: send LOW BATT to FW\n"); |
| 1513 | } else { |
| 1514 | mutex_unlock(&penv->vbat_monitor_mutex); |
| 1515 | return; |
| 1516 | } |
| 1517 | mutex_unlock(&penv->vbat_monitor_mutex); |
| 1518 | ret = wcnss_smd_tx(&vbatt_msg, vbatt_msg.hdr.msg_len); |
| 1519 | if (ret < 0) |
| 1520 | pr_err("wcnss: smd tx failed\n"); |
| 1521 | return; |
| 1522 | } |
| 1523 | |
| 1524 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1525 | static unsigned char wcnss_fw_status(void) |
| 1526 | { |
| 1527 | int len = 0; |
| 1528 | int rc = 0; |
| 1529 | |
| 1530 | unsigned char fw_status = 0xFF; |
| 1531 | |
| 1532 | len = smd_read_avail(penv->smd_ch); |
| 1533 | if (len < 1) { |
| 1534 | pr_err("%s: invalid firmware status", __func__); |
| 1535 | return fw_status; |
| 1536 | } |
| 1537 | |
| 1538 | rc = smd_read(penv->smd_ch, &fw_status, 1); |
| 1539 | if (rc < 0) { |
| 1540 | pr_err("%s: incomplete data read from smd\n", __func__); |
| 1541 | return fw_status; |
| 1542 | } |
| 1543 | return fw_status; |
| 1544 | } |
| 1545 | |
| 1546 | static void wcnss_send_cal_rsp(unsigned char fw_status) |
| 1547 | { |
| 1548 | struct smd_msg_hdr *rsphdr; |
| 1549 | unsigned char *msg = NULL; |
| 1550 | int rc; |
| 1551 | |
| 1552 | msg = kmalloc((sizeof(struct smd_msg_hdr) + 1), GFP_KERNEL); |
| 1553 | if (NULL == msg) { |
| 1554 | pr_err("wcnss: %s: failed to get memory\n", __func__); |
| 1555 | return; |
| 1556 | } |
| 1557 | |
| 1558 | rsphdr = (struct smd_msg_hdr *)msg; |
| 1559 | rsphdr->msg_type = WCNSS_CALDATA_UPLD_RSP; |
| 1560 | rsphdr->msg_len = sizeof(struct smd_msg_hdr) + 1; |
| 1561 | memcpy(msg+sizeof(struct smd_msg_hdr), &fw_status, 1); |
| 1562 | |
| 1563 | rc = wcnss_smd_tx(msg, rsphdr->msg_len); |
| 1564 | if (rc < 0) |
| 1565 | pr_err("wcnss: smd tx failed\n"); |
Sameer Thalappil | 844d360 | 2013-05-24 13:54:24 -0700 | [diff] [blame] | 1566 | |
| 1567 | kfree(msg); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1568 | } |
| 1569 | |
| 1570 | /* Collect calibrated data from WCNSS */ |
| 1571 | void extract_cal_data(int len) |
| 1572 | { |
| 1573 | int rc; |
| 1574 | struct cal_data_params calhdr; |
| 1575 | unsigned char fw_status = WCNSS_RESP_FAIL; |
| 1576 | |
| 1577 | if (len < sizeof(struct cal_data_params)) { |
| 1578 | pr_err("wcnss: incomplete cal header length\n"); |
| 1579 | return; |
| 1580 | } |
| 1581 | |
| 1582 | rc = smd_read(penv->smd_ch, (unsigned char *)&calhdr, |
| 1583 | sizeof(struct cal_data_params)); |
| 1584 | if (rc < sizeof(struct cal_data_params)) { |
| 1585 | pr_err("wcnss: incomplete cal header read from smd\n"); |
| 1586 | return; |
| 1587 | } |
| 1588 | |
| 1589 | if (penv->fw_cal_exp_frag != calhdr.frag_number) { |
| 1590 | pr_err("wcnss: Invalid frgament"); |
| 1591 | goto exit; |
| 1592 | } |
| 1593 | |
| 1594 | if (calhdr.frag_size > WCNSS_MAX_FRAME_SIZE) { |
| 1595 | pr_err("wcnss: Invalid fragment size"); |
| 1596 | goto exit; |
| 1597 | } |
| 1598 | |
Sameer Thalappil | a5e70ae | 2013-10-22 13:18:20 -0700 | [diff] [blame] | 1599 | if (penv->fw_cal_available) { |
| 1600 | /* ignore cal upload from SSR */ |
| 1601 | smd_read(penv->smd_ch, NULL, calhdr.frag_size); |
| 1602 | penv->fw_cal_exp_frag++; |
| 1603 | if (calhdr.msg_flags & LAST_FRAGMENT) { |
| 1604 | penv->fw_cal_exp_frag = 0; |
| 1605 | goto exit; |
| 1606 | } |
| 1607 | return; |
| 1608 | } |
| 1609 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1610 | if (0 == calhdr.frag_number) { |
| 1611 | if (calhdr.total_size > MAX_CALIBRATED_DATA_SIZE) { |
| 1612 | pr_err("wcnss: Invalid cal data size %d", |
| 1613 | calhdr.total_size); |
| 1614 | goto exit; |
| 1615 | } |
| 1616 | kfree(penv->fw_cal_data); |
| 1617 | penv->fw_cal_rcvd = 0; |
| 1618 | penv->fw_cal_data = kmalloc(calhdr.total_size, |
| 1619 | GFP_KERNEL); |
| 1620 | if (penv->fw_cal_data == NULL) { |
| 1621 | smd_read(penv->smd_ch, NULL, calhdr.frag_size); |
| 1622 | goto exit; |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | mutex_lock(&penv->dev_lock); |
| 1627 | if (penv->fw_cal_rcvd + calhdr.frag_size > |
| 1628 | MAX_CALIBRATED_DATA_SIZE) { |
| 1629 | pr_err("calibrated data size is more than expected %d", |
| 1630 | penv->fw_cal_rcvd + calhdr.frag_size); |
| 1631 | penv->fw_cal_exp_frag = 0; |
| 1632 | penv->fw_cal_rcvd = 0; |
| 1633 | smd_read(penv->smd_ch, NULL, calhdr.frag_size); |
| 1634 | goto unlock_exit; |
| 1635 | } |
| 1636 | |
| 1637 | rc = smd_read(penv->smd_ch, penv->fw_cal_data + penv->fw_cal_rcvd, |
| 1638 | calhdr.frag_size); |
| 1639 | if (rc < calhdr.frag_size) |
| 1640 | goto unlock_exit; |
| 1641 | |
| 1642 | penv->fw_cal_exp_frag++; |
| 1643 | penv->fw_cal_rcvd += calhdr.frag_size; |
| 1644 | |
| 1645 | if (calhdr.msg_flags & LAST_FRAGMENT) { |
| 1646 | penv->fw_cal_exp_frag = 0; |
| 1647 | penv->fw_cal_available = true; |
| 1648 | pr_info("wcnss: cal data collection completed\n"); |
| 1649 | } |
| 1650 | mutex_unlock(&penv->dev_lock); |
| 1651 | wake_up(&penv->read_wait); |
| 1652 | |
| 1653 | if (penv->fw_cal_available) { |
| 1654 | fw_status = WCNSS_RESP_SUCCESS; |
| 1655 | wcnss_send_cal_rsp(fw_status); |
| 1656 | } |
| 1657 | return; |
| 1658 | |
| 1659 | unlock_exit: |
| 1660 | mutex_unlock(&penv->dev_lock); |
| 1661 | |
| 1662 | exit: |
| 1663 | wcnss_send_cal_rsp(fw_status); |
| 1664 | return; |
| 1665 | } |
| 1666 | |
| 1667 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1668 | static void wcnssctrl_rx_handler(struct work_struct *worker) |
| 1669 | { |
| 1670 | int len = 0; |
| 1671 | int rc = 0; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1672 | unsigned char buf[sizeof(struct wcnss_version)]; |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 1673 | unsigned char build[WCNSS_MAX_BUILD_VER_LEN+1]; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1674 | struct smd_msg_hdr *phdr; |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 1675 | struct smd_msg_hdr smd_msg; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1676 | struct wcnss_version *pversion; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1677 | int hw_type; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1678 | unsigned char fw_status = 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1679 | |
| 1680 | len = smd_read_avail(penv->smd_ch); |
| 1681 | if (len > WCNSS_MAX_FRAME_SIZE) { |
| 1682 | pr_err("wcnss: frame larger than the allowed size\n"); |
| 1683 | smd_read(penv->smd_ch, NULL, len); |
| 1684 | return; |
| 1685 | } |
| 1686 | if (len <= 0) |
| 1687 | return; |
| 1688 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1689 | rc = smd_read(penv->smd_ch, buf, sizeof(struct smd_msg_hdr)); |
| 1690 | if (rc < sizeof(struct smd_msg_hdr)) { |
| 1691 | pr_err("wcnss: incomplete header read from smd\n"); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1692 | return; |
| 1693 | } |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1694 | len -= sizeof(struct smd_msg_hdr); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1695 | |
| 1696 | phdr = (struct smd_msg_hdr *)buf; |
| 1697 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1698 | switch (phdr->msg_type) { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1699 | |
| 1700 | case WCNSS_VERSION_RSP: |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1701 | if (len != sizeof(struct wcnss_version) |
| 1702 | - sizeof(struct smd_msg_hdr)) { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1703 | pr_err("wcnss: invalid version data from wcnss %d\n", |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1704 | len); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1705 | return; |
| 1706 | } |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1707 | rc = smd_read(penv->smd_ch, buf+sizeof(struct smd_msg_hdr), |
| 1708 | len); |
| 1709 | if (rc < len) { |
| 1710 | pr_err("wcnss: incomplete data read from smd\n"); |
| 1711 | return; |
| 1712 | } |
| 1713 | pversion = (struct wcnss_version *)buf; |
| 1714 | penv->fw_major = pversion->major; |
| 1715 | penv->fw_minor = pversion->minor; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1716 | snprintf(penv->wcnss_version, WCNSS_VERSION_LEN, |
| 1717 | "%02x%02x%02x%02x", pversion->major, pversion->minor, |
| 1718 | pversion->version, pversion->revision); |
| 1719 | pr_info("wcnss: version %s\n", penv->wcnss_version); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1720 | /* schedule work to download nvbin to ccpu */ |
| 1721 | hw_type = wcnss_hardware_type(); |
| 1722 | switch (hw_type) { |
| 1723 | case WCNSS_RIVA_HW: |
| 1724 | /* supported only if riva major >= 1 and minor >= 4 */ |
| 1725 | if ((pversion->major >= 1) && (pversion->minor >= 4)) { |
| 1726 | pr_info("wcnss: schedule dnld work for riva\n"); |
| 1727 | schedule_work(&penv->wcnssctrl_nvbin_dnld_work); |
| 1728 | } |
| 1729 | break; |
| 1730 | |
| 1731 | case WCNSS_PRONTO_HW: |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 1732 | smd_msg.msg_type = WCNSS_BUILD_VER_REQ; |
| 1733 | smd_msg.msg_len = sizeof(smd_msg); |
| 1734 | rc = wcnss_smd_tx(&smd_msg, smd_msg.msg_len); |
| 1735 | if (rc < 0) |
| 1736 | pr_err("wcnss: smd tx failed: %s\n", __func__); |
| 1737 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1738 | /* supported only if pronto major >= 1 and minor >= 4 */ |
| 1739 | if ((pversion->major >= 1) && (pversion->minor >= 4)) { |
| 1740 | pr_info("wcnss: schedule dnld work for pronto\n"); |
| 1741 | schedule_work(&penv->wcnssctrl_nvbin_dnld_work); |
| 1742 | } |
| 1743 | break; |
| 1744 | |
| 1745 | default: |
| 1746 | pr_info("wcnss: unknown hw type (%d), will not schedule dnld work\n", |
| 1747 | hw_type); |
| 1748 | break; |
| 1749 | } |
| 1750 | break; |
| 1751 | |
Sameer Thalappil | d821d63 | 2013-11-06 19:24:59 -0800 | [diff] [blame] | 1752 | case WCNSS_BUILD_VER_RSP: |
| 1753 | if (len > WCNSS_MAX_BUILD_VER_LEN) { |
| 1754 | pr_err("wcnss: invalid build version data from wcnss %d\n", |
| 1755 | len); |
| 1756 | return; |
| 1757 | } |
| 1758 | rc = smd_read(penv->smd_ch, build, len); |
| 1759 | if (rc < len) { |
| 1760 | pr_err("wcnss: incomplete data read from smd\n"); |
| 1761 | return; |
| 1762 | } |
| 1763 | build[len] = 0; |
| 1764 | pr_info("wcnss: build version %s\n", build); |
| 1765 | break; |
| 1766 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1767 | case WCNSS_NVBIN_DNLD_RSP: |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1768 | penv->nv_downloaded = true; |
| 1769 | fw_status = wcnss_fw_status(); |
| 1770 | pr_debug("wcnss: received WCNSS_NVBIN_DNLD_RSP from ccpu %u\n", |
| 1771 | fw_status); |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 1772 | wcnss_setup_vbat_monitoring(); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1773 | break; |
| 1774 | |
| 1775 | case WCNSS_CALDATA_DNLD_RSP: |
| 1776 | penv->nv_downloaded = true; |
| 1777 | fw_status = wcnss_fw_status(); |
| 1778 | pr_debug("wcnss: received WCNSS_CALDATA_DNLD_RSP from ccpu %u\n", |
| 1779 | fw_status); |
| 1780 | break; |
| 1781 | |
| 1782 | case WCNSS_CALDATA_UPLD_REQ: |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1783 | extract_cal_data(len); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1784 | break; |
| 1785 | |
| 1786 | default: |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1787 | pr_err("wcnss: invalid message type %d\n", phdr->msg_type); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1788 | } |
| 1789 | return; |
| 1790 | } |
| 1791 | |
| 1792 | static void wcnss_send_version_req(struct work_struct *worker) |
| 1793 | { |
| 1794 | struct smd_msg_hdr smd_msg; |
| 1795 | int ret = 0; |
| 1796 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1797 | smd_msg.msg_type = WCNSS_VERSION_REQ; |
| 1798 | smd_msg.msg_len = sizeof(smd_msg); |
| 1799 | ret = wcnss_smd_tx(&smd_msg, smd_msg.msg_len); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1800 | if (ret < 0) |
| 1801 | pr_err("wcnss: smd tx failed\n"); |
| 1802 | |
| 1803 | return; |
| 1804 | } |
| 1805 | |
Hardik Kantilal Patel | 880805e | 2014-05-28 12:50:30 +0530 | [diff] [blame^] | 1806 | static void wcnss_send_pm_config(struct work_struct *worker) |
| 1807 | { |
| 1808 | struct smd_msg_hdr *hdr; |
| 1809 | unsigned char *msg = NULL; |
| 1810 | int rc, prop_len; |
| 1811 | u32 *payload; |
| 1812 | |
| 1813 | if (!of_find_property(penv->pdev->dev.of_node, |
| 1814 | "qcom,wcnss-pm", &prop_len)) |
| 1815 | return; |
| 1816 | |
| 1817 | msg = kmalloc((sizeof(struct smd_msg_hdr) + prop_len), GFP_KERNEL); |
| 1818 | |
| 1819 | if (NULL == msg) { |
| 1820 | pr_err("wcnss: %s: failed to allocate memory\n", __func__); |
| 1821 | return; |
| 1822 | } |
| 1823 | |
| 1824 | payload = (u32 *)(msg + sizeof(struct smd_msg_hdr)); |
| 1825 | |
| 1826 | prop_len /= sizeof(int); |
| 1827 | |
| 1828 | rc = of_property_read_u32_array(penv->pdev->dev.of_node, |
| 1829 | "qcom,wcnss-pm", payload, prop_len); |
| 1830 | if (rc < 0) { |
| 1831 | pr_err("wcnss: property read failed\n"); |
| 1832 | kfree(msg); |
| 1833 | return; |
| 1834 | } |
| 1835 | |
| 1836 | pr_debug("%s:size=%d: <%d, %d, %d, %d, %d>\n", __func__, |
| 1837 | prop_len, *payload, *(payload+1), *(payload+2), |
| 1838 | *(payload+3), *(payload+4)); |
| 1839 | |
| 1840 | hdr = (struct smd_msg_hdr *)msg; |
| 1841 | hdr->msg_type = WCNSS_PM_CONFIG_REQ; |
| 1842 | hdr->msg_len = sizeof(struct smd_msg_hdr) + prop_len; |
| 1843 | |
| 1844 | rc = wcnss_smd_tx(msg, hdr->msg_len); |
| 1845 | if (rc < 0) |
| 1846 | pr_err("wcnss: smd tx failed\n"); |
| 1847 | |
| 1848 | kfree(msg); |
| 1849 | return; |
| 1850 | } |
| 1851 | |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 1852 | static DECLARE_RWSEM(wcnss_pm_sem); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1853 | |
| 1854 | static void wcnss_nvbin_dnld(void) |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1855 | { |
| 1856 | int ret = 0; |
| 1857 | struct nvbin_dnld_req_msg *dnld_req_msg; |
| 1858 | unsigned short total_fragments = 0; |
| 1859 | unsigned short count = 0; |
| 1860 | unsigned short retry_count = 0; |
| 1861 | unsigned short cur_frag_size = 0; |
| 1862 | unsigned char *outbuffer = NULL; |
| 1863 | const void *nv_blob_addr = NULL; |
| 1864 | unsigned int nv_blob_size = 0; |
| 1865 | const struct firmware *nv = NULL; |
Sameer Thalappil | f0d89ba | 2013-03-11 17:33:20 -0700 | [diff] [blame] | 1866 | struct device *dev = &penv->pdev->dev; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1867 | |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 1868 | down_read(&wcnss_pm_sem); |
| 1869 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1870 | ret = request_firmware(&nv, NVBIN_FILE, dev); |
| 1871 | |
| 1872 | if (ret || !nv || !nv->data || !nv->size) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1873 | pr_err("wcnss: %s: request_firmware failed for %s\n", |
| 1874 | __func__, NVBIN_FILE); |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 1875 | goto out; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1876 | } |
| 1877 | |
| 1878 | /* |
| 1879 | * First 4 bytes in nv blob is validity bitmap. |
| 1880 | * We cannot validate nv, so skip those 4 bytes. |
| 1881 | */ |
| 1882 | nv_blob_addr = nv->data + 4; |
| 1883 | nv_blob_size = nv->size - 4; |
| 1884 | |
| 1885 | total_fragments = TOTALFRAGMENTS(nv_blob_size); |
| 1886 | |
| 1887 | pr_info("wcnss: NV bin size: %d, total_fragments: %d\n", |
| 1888 | nv_blob_size, total_fragments); |
| 1889 | |
| 1890 | /* get buffer for nv bin dnld req message */ |
| 1891 | outbuffer = kmalloc((sizeof(struct nvbin_dnld_req_msg) + |
| 1892 | NV_FRAGMENT_SIZE), GFP_KERNEL); |
| 1893 | |
| 1894 | if (NULL == outbuffer) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1895 | pr_err("wcnss: %s: failed to get buffer\n", __func__); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1896 | goto err_free_nv; |
| 1897 | } |
| 1898 | |
| 1899 | dnld_req_msg = (struct nvbin_dnld_req_msg *)outbuffer; |
| 1900 | |
| 1901 | dnld_req_msg->hdr.msg_type = WCNSS_NVBIN_DNLD_REQ; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1902 | dnld_req_msg->dnld_req_params.msg_flags = 0; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1903 | |
| 1904 | for (count = 0; count < total_fragments; count++) { |
| 1905 | dnld_req_msg->dnld_req_params.frag_number = count; |
| 1906 | |
| 1907 | if (count == (total_fragments - 1)) { |
| 1908 | /* last fragment, take care of boundry condition */ |
| 1909 | cur_frag_size = nv_blob_size % NV_FRAGMENT_SIZE; |
| 1910 | if (!cur_frag_size) |
| 1911 | cur_frag_size = NV_FRAGMENT_SIZE; |
| 1912 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1913 | dnld_req_msg->dnld_req_params.msg_flags |= |
| 1914 | LAST_FRAGMENT; |
| 1915 | dnld_req_msg->dnld_req_params.msg_flags |= |
| 1916 | CAN_RECEIVE_CALDATA; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1917 | } else { |
| 1918 | cur_frag_size = NV_FRAGMENT_SIZE; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1919 | dnld_req_msg->dnld_req_params.msg_flags &= |
| 1920 | ~LAST_FRAGMENT; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1921 | } |
| 1922 | |
| 1923 | dnld_req_msg->dnld_req_params.nvbin_buffer_size = |
| 1924 | cur_frag_size; |
| 1925 | |
| 1926 | dnld_req_msg->hdr.msg_len = |
| 1927 | sizeof(struct nvbin_dnld_req_msg) + cur_frag_size; |
| 1928 | |
| 1929 | /* copy NV fragment */ |
| 1930 | memcpy((outbuffer + sizeof(struct nvbin_dnld_req_msg)), |
| 1931 | (nv_blob_addr + count * NV_FRAGMENT_SIZE), |
| 1932 | cur_frag_size); |
| 1933 | |
| 1934 | ret = wcnss_smd_tx(outbuffer, dnld_req_msg->hdr.msg_len); |
| 1935 | |
| 1936 | retry_count = 0; |
| 1937 | while ((ret == -ENOSPC) && (retry_count <= 3)) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1938 | pr_debug("wcnss: %s: smd tx failed, ENOSPC\n", |
| 1939 | __func__); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1940 | pr_debug("fragment: %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 1941 | count, dnld_req_msg->hdr.msg_len, |
| 1942 | total_fragments, retry_count); |
| 1943 | |
| 1944 | /* wait and try again */ |
| 1945 | msleep(20); |
| 1946 | retry_count++; |
| 1947 | ret = wcnss_smd_tx(outbuffer, |
| 1948 | dnld_req_msg->hdr.msg_len); |
| 1949 | } |
| 1950 | |
| 1951 | if (ret < 0) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1952 | pr_err("wcnss: %s: smd tx failed\n", __func__); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1953 | pr_err("fragment %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 1954 | count, dnld_req_msg->hdr.msg_len, |
| 1955 | total_fragments, retry_count); |
| 1956 | goto err_dnld; |
| 1957 | } |
| 1958 | } |
| 1959 | |
| 1960 | err_dnld: |
| 1961 | /* free buffer */ |
| 1962 | kfree(outbuffer); |
| 1963 | |
| 1964 | err_free_nv: |
| 1965 | /* release firmware */ |
| 1966 | release_firmware(nv); |
| 1967 | |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 1968 | out: |
| 1969 | up_read(&wcnss_pm_sem); |
| 1970 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1971 | return; |
| 1972 | } |
| 1973 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 1974 | |
| 1975 | static void wcnss_caldata_dnld(const void *cal_data, |
| 1976 | unsigned int cal_data_size, bool msg_to_follow) |
| 1977 | { |
| 1978 | int ret = 0; |
| 1979 | struct cal_data_msg *cal_msg; |
| 1980 | unsigned short total_fragments = 0; |
| 1981 | unsigned short count = 0; |
| 1982 | unsigned short retry_count = 0; |
| 1983 | unsigned short cur_frag_size = 0; |
| 1984 | unsigned char *outbuffer = NULL; |
| 1985 | |
| 1986 | total_fragments = TOTALFRAGMENTS(cal_data_size); |
| 1987 | |
| 1988 | outbuffer = kmalloc((sizeof(struct cal_data_msg) + |
| 1989 | NV_FRAGMENT_SIZE), GFP_KERNEL); |
| 1990 | |
| 1991 | if (NULL == outbuffer) { |
| 1992 | pr_err("wcnss: %s: failed to get buffer\n", __func__); |
| 1993 | return; |
| 1994 | } |
| 1995 | |
| 1996 | cal_msg = (struct cal_data_msg *)outbuffer; |
| 1997 | |
| 1998 | cal_msg->hdr.msg_type = WCNSS_CALDATA_DNLD_REQ; |
| 1999 | cal_msg->cal_params.msg_flags = 0; |
| 2000 | |
| 2001 | for (count = 0; count < total_fragments; count++) { |
| 2002 | cal_msg->cal_params.frag_number = count; |
| 2003 | |
| 2004 | if (count == (total_fragments - 1)) { |
| 2005 | cur_frag_size = cal_data_size % NV_FRAGMENT_SIZE; |
| 2006 | if (!cur_frag_size) |
| 2007 | cur_frag_size = NV_FRAGMENT_SIZE; |
| 2008 | |
| 2009 | cal_msg->cal_params.msg_flags |
| 2010 | |= LAST_FRAGMENT; |
| 2011 | if (msg_to_follow) |
| 2012 | cal_msg->cal_params.msg_flags |= |
| 2013 | MESSAGE_TO_FOLLOW; |
| 2014 | } else { |
| 2015 | cur_frag_size = NV_FRAGMENT_SIZE; |
| 2016 | cal_msg->cal_params.msg_flags &= |
| 2017 | ~LAST_FRAGMENT; |
| 2018 | } |
| 2019 | |
| 2020 | cal_msg->cal_params.total_size = cal_data_size; |
| 2021 | cal_msg->cal_params.frag_size = |
| 2022 | cur_frag_size; |
| 2023 | |
| 2024 | cal_msg->hdr.msg_len = |
| 2025 | sizeof(struct cal_data_msg) + cur_frag_size; |
| 2026 | |
| 2027 | memcpy((outbuffer + sizeof(struct cal_data_msg)), |
| 2028 | (cal_data + count * NV_FRAGMENT_SIZE), |
| 2029 | cur_frag_size); |
| 2030 | |
| 2031 | ret = wcnss_smd_tx(outbuffer, cal_msg->hdr.msg_len); |
| 2032 | |
| 2033 | retry_count = 0; |
| 2034 | while ((ret == -ENOSPC) && (retry_count <= 3)) { |
| 2035 | pr_debug("wcnss: %s: smd tx failed, ENOSPC\n", |
| 2036 | __func__); |
| 2037 | pr_debug("fragment: %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 2038 | count, cal_msg->hdr.msg_len, |
| 2039 | total_fragments, retry_count); |
| 2040 | |
| 2041 | /* wait and try again */ |
| 2042 | msleep(20); |
| 2043 | retry_count++; |
| 2044 | ret = wcnss_smd_tx(outbuffer, |
| 2045 | cal_msg->hdr.msg_len); |
| 2046 | } |
| 2047 | |
| 2048 | if (ret < 0) { |
| 2049 | pr_err("wcnss: %s: smd tx failed\n", __func__); |
| 2050 | pr_err("fragment %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 2051 | count, cal_msg->hdr.msg_len, |
| 2052 | total_fragments, retry_count); |
| 2053 | goto err_dnld; |
| 2054 | } |
| 2055 | } |
| 2056 | |
| 2057 | |
| 2058 | err_dnld: |
| 2059 | /* free buffer */ |
| 2060 | kfree(outbuffer); |
| 2061 | |
| 2062 | return; |
| 2063 | } |
| 2064 | |
| 2065 | |
| 2066 | static void wcnss_nvbin_dnld_main(struct work_struct *worker) |
| 2067 | { |
| 2068 | int retry = 0; |
| 2069 | |
| 2070 | if (!FW_CALDATA_CAPABLE()) |
| 2071 | goto nv_download; |
| 2072 | |
| 2073 | if (!penv->fw_cal_available && WCNSS_CONFIG_UNSPECIFIED |
| 2074 | != has_calibrated_data && !penv->user_cal_available) { |
| 2075 | while (!penv->user_cal_available && retry++ < 5) |
| 2076 | msleep(500); |
| 2077 | } |
Sameer Thalappil | a5e70ae | 2013-10-22 13:18:20 -0700 | [diff] [blame] | 2078 | if (penv->fw_cal_available) { |
| 2079 | pr_info_ratelimited("wcnss: cal download, using fw cal"); |
| 2080 | wcnss_caldata_dnld(penv->fw_cal_data, penv->fw_cal_rcvd, true); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2081 | |
| 2082 | } else if (penv->user_cal_available) { |
Sameer Thalappil | a5e70ae | 2013-10-22 13:18:20 -0700 | [diff] [blame] | 2083 | pr_info_ratelimited("wcnss: cal download, using user cal"); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2084 | wcnss_caldata_dnld(penv->user_cal_data, |
| 2085 | penv->user_cal_rcvd, true); |
| 2086 | } |
| 2087 | |
| 2088 | nv_download: |
| 2089 | pr_info_ratelimited("wcnss: NV download"); |
| 2090 | wcnss_nvbin_dnld(); |
| 2091 | |
| 2092 | return; |
| 2093 | } |
| 2094 | |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 2095 | static int wcnss_pm_notify(struct notifier_block *b, |
| 2096 | unsigned long event, void *p) |
| 2097 | { |
| 2098 | switch (event) { |
| 2099 | case PM_SUSPEND_PREPARE: |
| 2100 | down_write(&wcnss_pm_sem); |
| 2101 | break; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2102 | |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 2103 | case PM_POST_SUSPEND: |
| 2104 | up_write(&wcnss_pm_sem); |
| 2105 | break; |
| 2106 | } |
| 2107 | |
| 2108 | return NOTIFY_DONE; |
| 2109 | } |
| 2110 | |
| 2111 | static struct notifier_block wcnss_pm_notifier = { |
| 2112 | .notifier_call = wcnss_pm_notify, |
| 2113 | }; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2114 | |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 2115 | static int wcnss_ctrl_open(struct inode *inode, struct file *file) |
| 2116 | { |
| 2117 | int rc = 0; |
| 2118 | |
| 2119 | if (!penv || penv->ctrl_device_opened) |
| 2120 | return -EFAULT; |
| 2121 | |
| 2122 | penv->ctrl_device_opened = 1; |
| 2123 | |
| 2124 | return rc; |
| 2125 | } |
| 2126 | |
| 2127 | |
| 2128 | void process_usr_ctrl_cmd(u8 *buf, size_t len) |
| 2129 | { |
| 2130 | u16 cmd = buf[0] << 8 | buf[1]; |
| 2131 | |
| 2132 | switch (cmd) { |
| 2133 | |
| 2134 | case WCNSS_USR_SERIAL_NUM: |
| 2135 | if (WCNSS_MIN_SERIAL_LEN > len) { |
| 2136 | pr_err("%s: Invalid serial number\n", __func__); |
| 2137 | return; |
| 2138 | } |
| 2139 | penv->serial_number = buf[2] << 24 | buf[3] << 16 |
| 2140 | | buf[4] << 8 | buf[5]; |
| 2141 | break; |
| 2142 | |
| 2143 | case WCNSS_USR_HAS_CAL_DATA: |
| 2144 | if (1 < buf[2]) |
| 2145 | pr_err("%s: Invalid data for cal %d\n", __func__, |
| 2146 | buf[2]); |
| 2147 | has_calibrated_data = buf[2]; |
| 2148 | break; |
| 2149 | |
Hardik Kantilal Patel | ab039d8 | 2014-03-22 06:30:41 +0530 | [diff] [blame] | 2150 | case WCNSS_USR_WLAN_MAC_ADDR: |
| 2151 | memcpy(&penv->wlan_nv_macAddr, &buf[2], |
| 2152 | sizeof(penv->wlan_nv_macAddr)); |
| 2153 | |
| 2154 | pr_debug("%s: MAC Addr:" MAC_ADDRESS_STR "\n", __func__, |
| 2155 | penv->wlan_nv_macAddr[0], penv->wlan_nv_macAddr[1], |
| 2156 | penv->wlan_nv_macAddr[2], penv->wlan_nv_macAddr[3], |
| 2157 | penv->wlan_nv_macAddr[4], penv->wlan_nv_macAddr[5]); |
| 2158 | break; |
| 2159 | |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 2160 | default: |
| 2161 | pr_err("%s: Invalid command %d\n", __func__, cmd); |
| 2162 | break; |
| 2163 | } |
| 2164 | } |
| 2165 | |
| 2166 | static ssize_t wcnss_ctrl_write(struct file *fp, const char __user |
| 2167 | *user_buffer, size_t count, loff_t *position) |
| 2168 | { |
| 2169 | int rc = 0; |
| 2170 | u8 buf[WCNSS_MAX_CMD_LEN]; |
| 2171 | |
| 2172 | if (!penv || !penv->ctrl_device_opened || WCNSS_MAX_CMD_LEN < count |
| 2173 | || WCNSS_MIN_CMD_LEN > count) |
| 2174 | return -EFAULT; |
| 2175 | |
| 2176 | mutex_lock(&penv->ctrl_lock); |
| 2177 | rc = copy_from_user(buf, user_buffer, count); |
| 2178 | if (0 == rc) |
| 2179 | process_usr_ctrl_cmd(buf, count); |
| 2180 | |
| 2181 | mutex_unlock(&penv->ctrl_lock); |
| 2182 | |
| 2183 | return rc; |
| 2184 | } |
| 2185 | |
| 2186 | |
| 2187 | static const struct file_operations wcnss_ctrl_fops = { |
| 2188 | .owner = THIS_MODULE, |
| 2189 | .open = wcnss_ctrl_open, |
| 2190 | .write = wcnss_ctrl_write, |
| 2191 | }; |
| 2192 | |
| 2193 | static struct miscdevice wcnss_usr_ctrl = { |
| 2194 | .minor = MISC_DYNAMIC_MINOR, |
| 2195 | .name = CTRL_DEVICE, |
| 2196 | .fops = &wcnss_ctrl_fops, |
| 2197 | }; |
| 2198 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2199 | static int |
| 2200 | wcnss_trigger_config(struct platform_device *pdev) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2201 | { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2202 | int ret; |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 2203 | struct qcom_wcnss_opts *pdata; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 2204 | unsigned long wcnss_phys_addr; |
| 2205 | int size = 0; |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 2206 | struct resource *res; |
Sameer Thalappil | fe03e83 | 2014-02-19 10:37:16 -0800 | [diff] [blame] | 2207 | int pil_retry = 0; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2208 | int has_pronto_hw = of_property_read_bool(pdev->dev.of_node, |
Sameer Thalappil | 820f87b | 2013-05-21 20:40:54 -0700 | [diff] [blame] | 2209 | "qcom,has-pronto-hw"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2210 | |
Sameer Thalappil | d0952f6 | 2013-05-03 10:18:29 -0700 | [diff] [blame] | 2211 | if (of_property_read_u32(pdev->dev.of_node, |
| 2212 | "qcom,wlan-rx-buff-count", &penv->wlan_rx_buff_count)) { |
| 2213 | penv->wlan_rx_buff_count = WCNSS_DEF_WLAN_RX_BUFF_COUNT; |
| 2214 | } |
| 2215 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2216 | /* make sure we are only triggered once */ |
| 2217 | if (penv->triggered) |
| 2218 | return 0; |
| 2219 | penv->triggered = 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2220 | |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 2221 | /* initialize the WCNSS device configuration */ |
| 2222 | pdata = pdev->dev.platform_data; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2223 | if (WCNSS_CONFIG_UNSPECIFIED == has_48mhz_xo) { |
| 2224 | if (has_pronto_hw) { |
| 2225 | has_48mhz_xo = of_property_read_bool(pdev->dev.of_node, |
Sameer Thalappil | 820f87b | 2013-05-21 20:40:54 -0700 | [diff] [blame] | 2226 | "qcom,has-48mhz-xo"); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2227 | } else { |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2228 | has_48mhz_xo = pdata->has_48mhz_xo; |
| 2229 | } |
| 2230 | } |
Sameer Thalappil | f00dbeb | 2013-03-01 18:33:30 -0800 | [diff] [blame] | 2231 | penv->wcnss_hw_type = (has_pronto_hw) ? WCNSS_PRONTO_HW : WCNSS_RIVA_HW; |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 2232 | penv->wlan_config.use_48mhz_xo = has_48mhz_xo; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2233 | |
Sameer Thalappil | 58cec31 | 2013-05-13 15:52:08 -0700 | [diff] [blame] | 2234 | if (WCNSS_CONFIG_UNSPECIFIED == has_autodetect_xo && has_pronto_hw) { |
| 2235 | has_autodetect_xo = of_property_read_bool(pdev->dev.of_node, |
Sameer Thalappil | 820f87b | 2013-05-21 20:40:54 -0700 | [diff] [blame] | 2236 | "qcom,has-autodetect-xo"); |
Sameer Thalappil | 58cec31 | 2013-05-13 15:52:08 -0700 | [diff] [blame] | 2237 | } |
| 2238 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 2239 | penv->thermal_mitigation = 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2240 | strlcpy(penv->wcnss_version, "INVALID", WCNSS_VERSION_LEN); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 2241 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 2242 | /* Configure 5 wire GPIOs */ |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2243 | if (!has_pronto_hw) { |
| 2244 | penv->gpios_5wire = platform_get_resource_byname(pdev, |
| 2245 | IORESOURCE_IO, "wcnss_gpios_5wire"); |
| 2246 | |
| 2247 | /* allocate 5-wire GPIO resources */ |
| 2248 | if (!penv->gpios_5wire) { |
| 2249 | dev_err(&pdev->dev, "insufficient IO resources\n"); |
| 2250 | ret = -ENOENT; |
| 2251 | goto fail_gpio_res; |
| 2252 | } |
| 2253 | ret = wcnss_gpios_config(penv->gpios_5wire, true); |
| 2254 | } else |
| 2255 | ret = wcnss_pronto_gpios_config(&pdev->dev, true); |
| 2256 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 2257 | if (ret) { |
| 2258 | dev_err(&pdev->dev, "WCNSS gpios config failed.\n"); |
| 2259 | goto fail_gpio_res; |
| 2260 | } |
| 2261 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2262 | /* power up the WCNSS */ |
| 2263 | ret = wcnss_wlan_power(&pdev->dev, &penv->wlan_config, |
Sameer Thalappil | 1d69b802 | 2013-06-10 19:10:07 -0700 | [diff] [blame] | 2264 | WCNSS_WLAN_SWITCH_ON, |
| 2265 | &penv->iris_xo_mode_set); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2266 | if (ret) { |
| 2267 | dev_err(&pdev->dev, "WCNSS Power-up failed.\n"); |
| 2268 | goto fail_power; |
| 2269 | } |
| 2270 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2271 | /* allocate resources */ |
| 2272 | penv->mmio_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 2273 | "wcnss_mmio"); |
| 2274 | penv->tx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 2275 | "wcnss_wlantx_irq"); |
| 2276 | penv->rx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 2277 | "wcnss_wlanrx_irq"); |
| 2278 | |
| 2279 | if (!(penv->mmio_res && penv->tx_irq_res && penv->rx_irq_res)) { |
| 2280 | dev_err(&pdev->dev, "insufficient resources\n"); |
| 2281 | ret = -ENOENT; |
| 2282 | goto fail_res; |
| 2283 | } |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2284 | INIT_WORK(&penv->wcnssctrl_rx_work, wcnssctrl_rx_handler); |
| 2285 | INIT_WORK(&penv->wcnssctrl_version_work, wcnss_send_version_req); |
Hardik Kantilal Patel | 880805e | 2014-05-28 12:50:30 +0530 | [diff] [blame^] | 2286 | INIT_WORK(&penv->wcnss_pm_config_work, wcnss_send_pm_config); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2287 | INIT_WORK(&penv->wcnssctrl_nvbin_dnld_work, wcnss_nvbin_dnld_main); |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 2288 | |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 2289 | wake_lock_init(&penv->wcnss_wake_lock, WAKE_LOCK_SUSPEND, "wcnss"); |
| 2290 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 2291 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) { |
| 2292 | size = 0x3000; |
| 2293 | wcnss_phys_addr = MSM_PRONTO_PHYS; |
| 2294 | } else { |
| 2295 | wcnss_phys_addr = MSM_RIVA_PHYS; |
| 2296 | size = SZ_256; |
| 2297 | } |
| 2298 | |
| 2299 | penv->msm_wcnss_base = ioremap(wcnss_phys_addr, size); |
| 2300 | if (!penv->msm_wcnss_base) { |
| 2301 | ret = -ENOMEM; |
| 2302 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2303 | goto fail_ioremap; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 2304 | } |
| 2305 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2306 | if (wcnss_hardware_type() == WCNSS_RIVA_HW) { |
| 2307 | penv->riva_ccu_base = ioremap(MSM_RIVA_CCU_BASE, SZ_512); |
| 2308 | if (!penv->riva_ccu_base) { |
| 2309 | ret = -ENOMEM; |
| 2310 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2311 | goto fail_ioremap2; |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2312 | } |
| 2313 | } else { |
| 2314 | penv->pronto_a2xb_base = ioremap(MSM_PRONTO_A2XB_BASE, SZ_512); |
| 2315 | if (!penv->pronto_a2xb_base) { |
| 2316 | ret = -ENOMEM; |
| 2317 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2318 | goto fail_ioremap2; |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2319 | } |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 2320 | penv->pronto_ccpu_base = ioremap(MSM_PRONTO_CCPU_BASE, SZ_512); |
| 2321 | if (!penv->pronto_ccpu_base) { |
| 2322 | ret = -ENOMEM; |
| 2323 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2324 | goto fail_ioremap3; |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 2325 | } |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 2326 | /* for reset FIQ */ |
| 2327 | res = platform_get_resource_byname(penv->pdev, |
| 2328 | IORESOURCE_MEM, "wcnss_fiq"); |
| 2329 | if (!res) { |
| 2330 | dev_err(&pdev->dev, "insufficient irq mem resources\n"); |
| 2331 | ret = -ENOENT; |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2332 | goto fail_ioremap4; |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 2333 | } |
| 2334 | penv->fiq_reg = ioremap_nocache(res->start, resource_size(res)); |
| 2335 | if (!penv->fiq_reg) { |
| 2336 | pr_err("wcnss: %s: ioremap_nocache() failed fiq_reg addr:%pr\n", |
| 2337 | __func__, &res->start); |
| 2338 | ret = -ENOMEM; |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2339 | goto fail_ioremap4; |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 2340 | } |
Sameer Thalappil | 767ff49 | 2013-06-19 15:25:21 -0700 | [diff] [blame] | 2341 | penv->pronto_saw2_base = ioremap_nocache(MSM_PRONTO_SAW2_BASE, |
| 2342 | SZ_32); |
| 2343 | if (!penv->pronto_saw2_base) { |
| 2344 | pr_err("%s: ioremap wcnss physical(saw2) failed\n", |
| 2345 | __func__); |
| 2346 | ret = -ENOMEM; |
| 2347 | goto fail_ioremap5; |
| 2348 | } |
Sameer Thalappil | 66d2b39 | 2013-07-02 11:32:55 -0700 | [diff] [blame] | 2349 | penv->pronto_pll_base = ioremap_nocache(MSM_PRONTO_PLL_BASE, |
| 2350 | SZ_64); |
| 2351 | if (!penv->pronto_pll_base) { |
| 2352 | pr_err("%s: ioremap wcnss physical(pll) failed\n", |
| 2353 | __func__); |
| 2354 | ret = -ENOMEM; |
| 2355 | goto fail_ioremap6; |
| 2356 | } |
| 2357 | |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 2358 | penv->wlan_tx_phy_aborts = ioremap(MSM_PRONTO_TXP_PHY_ABORT, |
| 2359 | SZ_8); |
| 2360 | if (!penv->wlan_tx_phy_aborts) { |
| 2361 | ret = -ENOMEM; |
| 2362 | pr_err("%s: ioremap wlan TX PHY failed\n", __func__); |
| 2363 | goto fail_ioremap7; |
| 2364 | } |
| 2365 | penv->wlan_brdg_err_source = ioremap(MSM_PRONTO_BRDG_ERR_SRC, |
| 2366 | SZ_8); |
| 2367 | if (!penv->wlan_brdg_err_source) { |
| 2368 | ret = -ENOMEM; |
| 2369 | pr_err("%s: ioremap wlan BRDG ERR failed\n", __func__); |
| 2370 | goto fail_ioremap8; |
| 2371 | } |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 2372 | penv->wlan_tx_status = ioremap(MSM_PRONTO_TXP_STATUS, SZ_8); |
| 2373 | if (!penv->wlan_tx_status) { |
| 2374 | ret = -ENOMEM; |
| 2375 | pr_err("%s: ioremap wlan TX STATUS failed\n", __func__); |
| 2376 | goto fail_ioremap9; |
| 2377 | } |
Sameer Thalappil | 7f2d82f | 2013-12-17 11:26:18 -0800 | [diff] [blame] | 2378 | penv->alarms_txctl = ioremap(MSM_PRONTO_ALARMS_TXCTL, SZ_8); |
| 2379 | if (!penv->alarms_txctl) { |
| 2380 | ret = -ENOMEM; |
| 2381 | pr_err("%s: ioremap alarms TXCTL failed\n", __func__); |
| 2382 | goto fail_ioremap10; |
| 2383 | } |
| 2384 | penv->alarms_tactl = ioremap(MSM_PRONTO_ALARMS_TACTL, SZ_8); |
| 2385 | if (!penv->alarms_tactl) { |
| 2386 | ret = -ENOMEM; |
| 2387 | pr_err("%s: ioremap alarms TACTL failed\n", __func__); |
| 2388 | goto fail_ioremap11; |
| 2389 | } |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 2390 | penv->pronto_mcu_base = ioremap(MSM_PRONTO_MCU_BASE, SZ_1K); |
| 2391 | if (!penv->pronto_mcu_base) { |
| 2392 | ret = -ENOMEM; |
| 2393 | pr_err("%s: ioremap wcnss physical(mcu) failed\n", |
| 2394 | __func__); |
| 2395 | goto fail_ioremap12; |
| 2396 | } |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2397 | } |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 2398 | penv->adc_tm_dev = qpnp_get_adc_tm(&penv->pdev->dev, "wcnss"); |
| 2399 | if (IS_ERR(penv->adc_tm_dev)) { |
| 2400 | pr_err("%s: adc get failed\n", __func__); |
| 2401 | penv->adc_tm_dev = NULL; |
| 2402 | } else { |
| 2403 | INIT_DELAYED_WORK(&penv->vbatt_work, wcnss_update_vbatt); |
| 2404 | penv->fw_vbatt_state = WCNSS_CONFIG_UNSPECIFIED; |
| 2405 | } |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2406 | |
Sameer Thalappil | fe03e83 | 2014-02-19 10:37:16 -0800 | [diff] [blame] | 2407 | do { |
| 2408 | /* trigger initialization of the WCNSS */ |
| 2409 | penv->pil = subsystem_get(WCNSS_PIL_DEVICE); |
| 2410 | if (IS_ERR(penv->pil)) { |
| 2411 | dev_err(&pdev->dev, "Peripheral Loader failed on WCNSS.\n"); |
| 2412 | ret = PTR_ERR(penv->pil); |
| 2413 | wcnss_pronto_log_debug_regs(); |
| 2414 | } |
| 2415 | } while (pil_retry++ < WCNSS_MAX_PIL_RETRY && IS_ERR(penv->pil)); |
| 2416 | |
| 2417 | if (pil_retry >= WCNSS_MAX_PIL_RETRY) { |
Yue Ma | 162af74 | 2014-04-02 16:50:41 -0700 | [diff] [blame] | 2418 | wcnss_reset_intr(); |
Pradeep Kumar Goudagunta | b18e520 | 2014-04-29 11:48:21 +0530 | [diff] [blame] | 2419 | if (penv->wcnss_notif_hdle) |
| 2420 | subsys_notif_unregister_notifier(penv->wcnss_notif_hdle, |
| 2421 | &wnb); |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2422 | penv->pil = NULL; |
| 2423 | goto fail_pil; |
| 2424 | } |
| 2425 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2426 | return 0; |
| 2427 | |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2428 | fail_pil: |
| 2429 | if (penv->riva_ccu_base) |
| 2430 | iounmap(penv->riva_ccu_base); |
Yue Ma | 2fd1ffd | 2014-02-18 16:41:00 -0800 | [diff] [blame] | 2431 | if (penv->pronto_mcu_base) |
| 2432 | iounmap(penv->pronto_mcu_base); |
| 2433 | fail_ioremap12: |
Sameer Thalappil | 7f2d82f | 2013-12-17 11:26:18 -0800 | [diff] [blame] | 2434 | if (penv->alarms_tactl) |
| 2435 | iounmap(penv->alarms_tactl); |
| 2436 | fail_ioremap11: |
| 2437 | if (penv->alarms_txctl) |
| 2438 | iounmap(penv->alarms_txctl); |
| 2439 | fail_ioremap10: |
Yue Ma | e490b45 | 2013-11-12 00:07:33 -0800 | [diff] [blame] | 2440 | if (penv->wlan_tx_status) |
| 2441 | iounmap(penv->wlan_tx_status); |
| 2442 | fail_ioremap9: |
Sameer Thalappil | 670197c | 2013-07-19 16:31:14 -0700 | [diff] [blame] | 2443 | if (penv->wlan_brdg_err_source) |
| 2444 | iounmap(penv->wlan_brdg_err_source); |
| 2445 | fail_ioremap8: |
| 2446 | if (penv->wlan_tx_phy_aborts) |
| 2447 | iounmap(penv->wlan_tx_phy_aborts); |
| 2448 | fail_ioremap7: |
Sameer Thalappil | 66d2b39 | 2013-07-02 11:32:55 -0700 | [diff] [blame] | 2449 | if (penv->pronto_pll_base) |
| 2450 | iounmap(penv->pronto_pll_base); |
| 2451 | fail_ioremap6: |
Sameer Thalappil | 767ff49 | 2013-06-19 15:25:21 -0700 | [diff] [blame] | 2452 | if (penv->pronto_saw2_base) |
| 2453 | iounmap(penv->pronto_saw2_base); |
| 2454 | fail_ioremap5: |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2455 | if (penv->fiq_reg) |
| 2456 | iounmap(penv->fiq_reg); |
| 2457 | fail_ioremap4: |
| 2458 | if (penv->pronto_ccpu_base) |
| 2459 | iounmap(penv->pronto_ccpu_base); |
Sameer Thalappil | 58281ca | 2013-04-10 18:50:18 -0700 | [diff] [blame] | 2460 | fail_ioremap3: |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2461 | if (penv->pronto_a2xb_base) |
| 2462 | iounmap(penv->pronto_a2xb_base); |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 2463 | fail_ioremap2: |
Sameer Thalappil | 0ab8213 | 2013-06-10 10:10:05 -0700 | [diff] [blame] | 2464 | if (penv->msm_wcnss_base) |
| 2465 | iounmap(penv->msm_wcnss_base); |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2466 | fail_ioremap: |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 2467 | wake_lock_destroy(&penv->wcnss_wake_lock); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2468 | fail_res: |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2469 | wcnss_wlan_power(&pdev->dev, &penv->wlan_config, |
Sameer Thalappil | 1d69b802 | 2013-06-10 19:10:07 -0700 | [diff] [blame] | 2470 | WCNSS_WLAN_SWITCH_OFF, NULL); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2471 | fail_power: |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2472 | if (has_pronto_hw) |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 2473 | wcnss_pronto_gpios_config(&pdev->dev, false); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2474 | else |
| 2475 | wcnss_gpios_config(penv->gpios_5wire, false); |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 2476 | fail_gpio_res: |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2477 | penv = NULL; |
| 2478 | return ret; |
| 2479 | } |
| 2480 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2481 | static int wcnss_node_open(struct inode *inode, struct file *file) |
| 2482 | { |
| 2483 | struct platform_device *pdev; |
Sameer Thalappil | d0bb3bb | 2013-10-09 13:36:26 -0700 | [diff] [blame] | 2484 | int rc = 0; |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2485 | |
Sameer Thalappil | 37c2068 | 2013-05-31 14:01:25 -0700 | [diff] [blame] | 2486 | if (!penv) |
| 2487 | return -EFAULT; |
| 2488 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2489 | if (!penv->triggered) { |
| 2490 | pr_info(DEVICE " triggered by userspace\n"); |
| 2491 | pdev = penv->pdev; |
Sameer Thalappil | d0bb3bb | 2013-10-09 13:36:26 -0700 | [diff] [blame] | 2492 | rc = wcnss_trigger_config(pdev); |
| 2493 | if (rc) |
| 2494 | return -EFAULT; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2495 | } |
| 2496 | |
| 2497 | mutex_lock(&penv->dev_lock); |
| 2498 | penv->user_cal_rcvd = 0; |
| 2499 | penv->user_cal_read = 0; |
| 2500 | penv->user_cal_available = false; |
| 2501 | penv->user_cal_data = NULL; |
| 2502 | penv->device_opened = 1; |
| 2503 | mutex_unlock(&penv->dev_lock); |
| 2504 | |
Sameer Thalappil | d0bb3bb | 2013-10-09 13:36:26 -0700 | [diff] [blame] | 2505 | return rc; |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2506 | } |
| 2507 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2508 | static ssize_t wcnss_wlan_read(struct file *fp, char __user |
| 2509 | *buffer, size_t count, loff_t *position) |
| 2510 | { |
| 2511 | int rc = 0; |
| 2512 | |
Sameer Thalappil | 37c2068 | 2013-05-31 14:01:25 -0700 | [diff] [blame] | 2513 | if (!penv || !penv->device_opened) |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2514 | return -EFAULT; |
| 2515 | |
| 2516 | rc = wait_event_interruptible(penv->read_wait, penv->fw_cal_rcvd |
| 2517 | > penv->user_cal_read || penv->fw_cal_available); |
| 2518 | |
| 2519 | if (rc < 0) |
| 2520 | return rc; |
| 2521 | |
| 2522 | mutex_lock(&penv->dev_lock); |
| 2523 | |
| 2524 | if (penv->fw_cal_available && penv->fw_cal_rcvd |
| 2525 | == penv->user_cal_read) { |
| 2526 | rc = 0; |
| 2527 | goto exit; |
| 2528 | } |
| 2529 | |
| 2530 | if (count > penv->fw_cal_rcvd - penv->user_cal_read) |
| 2531 | count = penv->fw_cal_rcvd - penv->user_cal_read; |
| 2532 | |
| 2533 | rc = copy_to_user(buffer, penv->fw_cal_data + |
| 2534 | penv->user_cal_read, count); |
| 2535 | if (rc == 0) { |
| 2536 | penv->user_cal_read += count; |
| 2537 | rc = count; |
| 2538 | } |
| 2539 | |
| 2540 | exit: |
| 2541 | mutex_unlock(&penv->dev_lock); |
| 2542 | return rc; |
| 2543 | } |
| 2544 | |
| 2545 | /* first (valid) write to this device should be 4 bytes cal file size */ |
| 2546 | static ssize_t wcnss_wlan_write(struct file *fp, const char __user |
| 2547 | *user_buffer, size_t count, loff_t *position) |
| 2548 | { |
| 2549 | int rc = 0; |
Arif Hussain | 677c92d | 2013-11-01 19:09:11 -0700 | [diff] [blame] | 2550 | size_t size = 0; |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2551 | |
Sameer Thalappil | 37c2068 | 2013-05-31 14:01:25 -0700 | [diff] [blame] | 2552 | if (!penv || !penv->device_opened || penv->user_cal_available) |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2553 | return -EFAULT; |
| 2554 | |
| 2555 | if (penv->user_cal_rcvd == 0 && count >= 4 |
| 2556 | && !penv->user_cal_data) { |
| 2557 | rc = copy_from_user((void *)&size, user_buffer, 4); |
Arif Hussain | 677c92d | 2013-11-01 19:09:11 -0700 | [diff] [blame] | 2558 | if (!size || size > MAX_CALIBRATED_DATA_SIZE) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2559 | pr_err(DEVICE " invalid size to write %d\n", size); |
| 2560 | return -EFAULT; |
| 2561 | } |
| 2562 | |
| 2563 | rc += count; |
| 2564 | count -= 4; |
| 2565 | penv->user_cal_exp_size = size; |
| 2566 | penv->user_cal_data = kmalloc(size, GFP_KERNEL); |
| 2567 | if (penv->user_cal_data == NULL) { |
| 2568 | pr_err(DEVICE " no memory to write\n"); |
| 2569 | return -ENOMEM; |
| 2570 | } |
| 2571 | if (0 == count) |
| 2572 | goto exit; |
| 2573 | |
| 2574 | } else if (penv->user_cal_rcvd == 0 && count < 4) |
| 2575 | return -EFAULT; |
| 2576 | |
Arif Hussain | 677c92d | 2013-11-01 19:09:11 -0700 | [diff] [blame] | 2577 | if ((UINT32_MAX - count < penv->user_cal_rcvd) || |
| 2578 | MAX_CALIBRATED_DATA_SIZE < count + penv->user_cal_rcvd) { |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2579 | pr_err(DEVICE " invalid size to write %d\n", count + |
| 2580 | penv->user_cal_rcvd); |
| 2581 | rc = -ENOMEM; |
| 2582 | goto exit; |
| 2583 | } |
| 2584 | rc = copy_from_user((void *)penv->user_cal_data + |
| 2585 | penv->user_cal_rcvd, user_buffer, count); |
| 2586 | if (0 == rc) { |
| 2587 | penv->user_cal_rcvd += count; |
| 2588 | rc += count; |
| 2589 | } |
| 2590 | if (penv->user_cal_rcvd == penv->user_cal_exp_size) { |
| 2591 | penv->user_cal_available = true; |
| 2592 | pr_info_ratelimited("wcnss: user cal written"); |
| 2593 | } |
| 2594 | |
| 2595 | exit: |
| 2596 | return rc; |
| 2597 | } |
| 2598 | |
| 2599 | |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 2600 | static int wcnss_notif_cb(struct notifier_block *this, unsigned long code, |
| 2601 | void *ss_handle) |
| 2602 | { |
| 2603 | pr_debug("%s: wcnss notification event: %lu\n", __func__, code); |
| 2604 | |
| 2605 | if (SUBSYS_POWERUP_FAILURE == code) |
| 2606 | wcnss_pronto_log_debug_regs(); |
Mihir Shete | 173dafe | 2014-03-13 18:50:49 +0530 | [diff] [blame] | 2607 | else if (SUBSYS_BEFORE_SHUTDOWN == code) |
| 2608 | penv->is_shutdown = 1; |
| 2609 | else if (SUBSYS_AFTER_POWERUP == code) |
| 2610 | penv->is_shutdown = 0; |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 2611 | |
| 2612 | return NOTIFY_DONE; |
| 2613 | } |
| 2614 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2615 | static const struct file_operations wcnss_node_fops = { |
| 2616 | .owner = THIS_MODULE, |
| 2617 | .open = wcnss_node_open, |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2618 | .read = wcnss_wlan_read, |
| 2619 | .write = wcnss_wlan_write, |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2620 | }; |
| 2621 | |
| 2622 | static struct miscdevice wcnss_misc = { |
| 2623 | .minor = MISC_DYNAMIC_MINOR, |
| 2624 | .name = DEVICE, |
| 2625 | .fops = &wcnss_node_fops, |
| 2626 | }; |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2627 | |
| 2628 | static int __devinit |
| 2629 | wcnss_wlan_probe(struct platform_device *pdev) |
| 2630 | { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2631 | int ret = 0; |
| 2632 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2633 | /* verify we haven't been called more than once */ |
| 2634 | if (penv) { |
| 2635 | dev_err(&pdev->dev, "cannot handle multiple devices.\n"); |
| 2636 | return -ENODEV; |
| 2637 | } |
| 2638 | |
| 2639 | /* create an environment to track the device */ |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 2640 | penv = devm_kzalloc(&pdev->dev, sizeof(*penv), GFP_KERNEL); |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2641 | if (!penv) { |
| 2642 | dev_err(&pdev->dev, "cannot allocate device memory.\n"); |
| 2643 | return -ENOMEM; |
| 2644 | } |
| 2645 | penv->pdev = pdev; |
| 2646 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2647 | /* register sysfs entries */ |
| 2648 | ret = wcnss_create_sysfs(&pdev->dev); |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 2649 | if (ret) { |
| 2650 | penv = NULL; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2651 | return -ENOENT; |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 2652 | } |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2653 | |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 2654 | /* register wcnss event notification */ |
| 2655 | penv->wcnss_notif_hdle = subsys_notif_register_notifier("wcnss", &wnb); |
| 2656 | if (IS_ERR(penv->wcnss_notif_hdle)) { |
| 2657 | pr_err("wcnss: register event notification failed!\n"); |
| 2658 | return PTR_ERR(penv->wcnss_notif_hdle); |
| 2659 | } |
| 2660 | |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2661 | mutex_init(&penv->dev_lock); |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 2662 | mutex_init(&penv->ctrl_lock); |
Sameer Thalappil | f6fb189 | 2013-09-06 17:33:30 -0700 | [diff] [blame] | 2663 | mutex_init(&penv->vbat_monitor_mutex); |
Sameer Thalappil | 1878d76 | 2013-04-24 14:54:39 -0700 | [diff] [blame] | 2664 | init_waitqueue_head(&penv->read_wait); |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2665 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 2666 | /* Since we were built into the kernel we'll be called as part |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2667 | * of kernel initialization. We don't know if userspace |
| 2668 | * applications are available to service PIL at this time |
| 2669 | * (they probably are not), so we simply create a device node |
| 2670 | * here. When userspace is available it should touch the |
| 2671 | * device so that we know that WCNSS configuration can take |
| 2672 | * place |
| 2673 | */ |
| 2674 | pr_info(DEVICE " probed in built-in mode\n"); |
Sameer Thalappil | 13780d1 | 2013-12-19 17:04:21 -0800 | [diff] [blame] | 2675 | |
| 2676 | misc_register(&wcnss_usr_ctrl); |
| 2677 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2678 | return misc_register(&wcnss_misc); |
| 2679 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 2680 | } |
| 2681 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2682 | static int __devexit |
| 2683 | wcnss_wlan_remove(struct platform_device *pdev) |
| 2684 | { |
Yue Ma | fa9638e | 2013-12-19 16:59:27 -0800 | [diff] [blame] | 2685 | if (penv->wcnss_notif_hdle) |
| 2686 | subsys_notif_unregister_notifier(penv->wcnss_notif_hdle, &wnb); |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 2687 | wcnss_remove_sysfs(&pdev->dev); |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 2688 | penv = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2689 | return 0; |
| 2690 | } |
| 2691 | |
| 2692 | |
| 2693 | static const struct dev_pm_ops wcnss_wlan_pm_ops = { |
| 2694 | .suspend = wcnss_wlan_suspend, |
| 2695 | .resume = wcnss_wlan_resume, |
| 2696 | }; |
| 2697 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2698 | #ifdef CONFIG_WCNSS_CORE_PRONTO |
| 2699 | static struct of_device_id msm_wcnss_pronto_match[] = { |
| 2700 | {.compatible = "qcom,wcnss_wlan"}, |
| 2701 | {} |
| 2702 | }; |
| 2703 | #endif |
| 2704 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2705 | static struct platform_driver wcnss_wlan_driver = { |
| 2706 | .driver = { |
| 2707 | .name = DEVICE, |
| 2708 | .owner = THIS_MODULE, |
| 2709 | .pm = &wcnss_wlan_pm_ops, |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 2710 | #ifdef CONFIG_WCNSS_CORE_PRONTO |
| 2711 | .of_match_table = msm_wcnss_pronto_match, |
| 2712 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2713 | }, |
| 2714 | .probe = wcnss_wlan_probe, |
| 2715 | .remove = __devexit_p(wcnss_wlan_remove), |
| 2716 | }; |
| 2717 | |
| 2718 | static int __init wcnss_wlan_init(void) |
| 2719 | { |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 2720 | int ret = 0; |
| 2721 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2722 | platform_driver_register(&wcnss_wlan_driver); |
| 2723 | platform_driver_register(&wcnss_wlan_ctrl_driver); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 2724 | platform_driver_register(&wcnss_ctrl_driver); |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 2725 | register_pm_notifier(&wcnss_pm_notifier); |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 2726 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 2727 | ret = wcnss_prealloc_init(); |
| 2728 | if (ret < 0) |
| 2729 | pr_err("wcnss: pre-allocation failed\n"); |
| 2730 | #endif |
| 2731 | |
| 2732 | return ret; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2733 | } |
| 2734 | |
| 2735 | static void __exit wcnss_wlan_exit(void) |
| 2736 | { |
| 2737 | if (penv) { |
| 2738 | if (penv->pil) |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 2739 | subsystem_put(penv->pil); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2740 | penv = NULL; |
| 2741 | } |
| 2742 | |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 2743 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 2744 | wcnss_prealloc_deinit(); |
| 2745 | #endif |
Sameer Thalappil | 944c72d | 2013-08-14 17:56:17 -0700 | [diff] [blame] | 2746 | unregister_pm_notifier(&wcnss_pm_notifier); |
| 2747 | platform_driver_unregister(&wcnss_ctrl_driver); |
| 2748 | platform_driver_unregister(&wcnss_wlan_ctrl_driver); |
| 2749 | platform_driver_unregister(&wcnss_wlan_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2750 | } |
| 2751 | |
| 2752 | module_init(wcnss_wlan_init); |
| 2753 | module_exit(wcnss_wlan_exit); |
| 2754 | |
| 2755 | MODULE_LICENSE("GPL v2"); |
| 2756 | MODULE_VERSION(VERSION); |
| 2757 | MODULE_DESCRIPTION(DEVICE "Driver"); |