Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1 | |
Amy Maloche | 832d90a | 2013-01-07 10:15:29 -0800 | [diff] [blame] | 2 | /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/slab.h> |
| 18 | #include <linux/leds.h> |
| 19 | #include <linux/err.h> |
Amy Maloche | dc3e557 | 2012-09-25 16:39:06 -0700 | [diff] [blame] | 20 | #include <linux/spinlock.h> |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 21 | #include <linux/of_platform.h> |
| 22 | #include <linux/of_device.h> |
| 23 | #include <linux/spmi.h> |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 24 | #include <linux/qpnp/pwm.h> |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 25 | #include <linux/workqueue.h> |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 26 | #include <linux/delay.h> |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 27 | #include <linux/regulator/consumer.h> |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 28 | #include <linux/delay.h> |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 29 | |
| 30 | #define WLED_MOD_EN_REG(base, n) (base + 0x60 + n*0x10) |
| 31 | #define WLED_IDAC_DLY_REG(base, n) (WLED_MOD_EN_REG(base, n) + 0x01) |
| 32 | #define WLED_FULL_SCALE_REG(base, n) (WLED_IDAC_DLY_REG(base, n) + 0x01) |
Amy Maloche | d44516e | 2013-02-14 17:36:34 -0800 | [diff] [blame] | 33 | #define WLED_MOD_SRC_SEL_REG(base, n) (WLED_FULL_SCALE_REG(base, n) + 0x01) |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 34 | |
| 35 | /* wled control registers */ |
| 36 | #define WLED_BRIGHTNESS_CNTL_LSB(base, n) (base + 0x40 + 2*n) |
| 37 | #define WLED_BRIGHTNESS_CNTL_MSB(base, n) (base + 0x41 + 2*n) |
| 38 | #define WLED_MOD_CTRL_REG(base) (base + 0x46) |
| 39 | #define WLED_SYNC_REG(base) (base + 0x47) |
| 40 | #define WLED_FDBCK_CTRL_REG(base) (base + 0x48) |
| 41 | #define WLED_SWITCHING_FREQ_REG(base) (base + 0x4C) |
| 42 | #define WLED_OVP_CFG_REG(base) (base + 0x4D) |
| 43 | #define WLED_BOOST_LIMIT_REG(base) (base + 0x4E) |
| 44 | #define WLED_CURR_SINK_REG(base) (base + 0x4F) |
| 45 | #define WLED_HIGH_POLE_CAP_REG(base) (base + 0x58) |
| 46 | #define WLED_CURR_SINK_MASK 0xE0 |
| 47 | #define WLED_CURR_SINK_SHFT 0x05 |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 48 | #define WLED_DISABLE_ALL_SINKS 0x00 |
Amy Maloche | 9eccb4c | 2013-07-12 14:31:56 -0700 | [diff] [blame] | 49 | #define WLED_SWITCH_FREQ_MASK 0x0F |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 50 | #define WLED_OVP_VAL_MASK 0x03 |
| 51 | #define WLED_OVP_VAL_BIT_SHFT 0x00 |
| 52 | #define WLED_BOOST_LIMIT_MASK 0x07 |
| 53 | #define WLED_BOOST_LIMIT_BIT_SHFT 0x00 |
| 54 | #define WLED_BOOST_ON 0x80 |
| 55 | #define WLED_BOOST_OFF 0x00 |
| 56 | #define WLED_EN_MASK 0x80 |
| 57 | #define WLED_NO_MASK 0x00 |
| 58 | #define WLED_CP_SELECT_MAX 0x03 |
| 59 | #define WLED_CP_SELECT_MASK 0x02 |
| 60 | #define WLED_USE_EXT_GEN_MOD_SRC 0x01 |
| 61 | #define WLED_CTL_DLY_STEP 200 |
| 62 | #define WLED_CTL_DLY_MAX 1400 |
| 63 | #define WLED_MAX_CURR 25 |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 64 | #define WLED_NO_CURRENT 0x00 |
| 65 | #define WLED_OVP_DELAY 1000 |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 66 | #define WLED_MSB_MASK 0x0F |
Himanshu Aggarwal | e51de27 | 2013-09-11 10:02:24 +0530 | [diff] [blame] | 67 | #define WLED_MAX_CURR_MASK 0x1F |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 68 | #define WLED_OP_FDBCK_MASK 0x07 |
| 69 | #define WLED_OP_FDBCK_BIT_SHFT 0x00 |
Amy Maloche | bd68767 | 2013-03-18 11:23:45 -0700 | [diff] [blame] | 70 | #define WLED_OP_FDBCK_DEFAULT 0x00 |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 71 | |
Amy Maloche | d55fdb8 | 2013-02-26 18:11:57 -0800 | [diff] [blame] | 72 | #define WLED_MAX_LEVEL 4095 |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 73 | #define WLED_8_BIT_MASK 0xFF |
| 74 | #define WLED_4_BIT_MASK 0x0F |
| 75 | #define WLED_8_BIT_SHFT 0x08 |
| 76 | #define WLED_MAX_DUTY_CYCLE 0xFFF |
| 77 | |
| 78 | #define WLED_SYNC_VAL 0x07 |
| 79 | #define WLED_SYNC_RESET_VAL 0x00 |
| 80 | |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 81 | #define PMIC_VER_8026 0x04 |
| 82 | #define PMIC_VERSION_REG 0x0105 |
| 83 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 84 | #define WLED_DEFAULT_STRINGS 0x01 |
| 85 | #define WLED_DEFAULT_OVP_VAL 0x02 |
| 86 | #define WLED_BOOST_LIM_DEFAULT 0x03 |
| 87 | #define WLED_CP_SEL_DEFAULT 0x00 |
| 88 | #define WLED_CTRL_DLY_DEFAULT 0x00 |
Amy Maloche | 9eccb4c | 2013-07-12 14:31:56 -0700 | [diff] [blame] | 89 | #define WLED_SWITCH_FREQ_DEFAULT 0x0B |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 90 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 91 | #define FLASH_SAFETY_TIMER(base) (base + 0x40) |
| 92 | #define FLASH_MAX_CURR(base) (base + 0x41) |
| 93 | #define FLASH_LED_0_CURR(base) (base + 0x42) |
| 94 | #define FLASH_LED_1_CURR(base) (base + 0x43) |
| 95 | #define FLASH_CLAMP_CURR(base) (base + 0x44) |
| 96 | #define FLASH_LED_TMR_CTRL(base) (base + 0x48) |
Amy Maloche | d44516e | 2013-02-14 17:36:34 -0800 | [diff] [blame] | 97 | #define FLASH_HEADROOM(base) (base + 0x4A) |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 98 | #define FLASH_STARTUP_DELAY(base) (base + 0x4B) |
| 99 | #define FLASH_MASK_ENABLE(base) (base + 0x4C) |
| 100 | #define FLASH_VREG_OK_FORCE(base) (base + 0x4F) |
| 101 | #define FLASH_ENABLE_CONTROL(base) (base + 0x46) |
| 102 | #define FLASH_LED_STROBE_CTRL(base) (base + 0x47) |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 103 | #define FLASH_LED_UNLOCK_SECURE(base) (base + 0xD0) |
| 104 | #define FLASH_LED_TORCH(base) (base + 0xE4) |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 105 | #define FLASH_FAULT_DETECT(base) (base + 0x51) |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 106 | #define FLASH_PERIPHERAL_SUBTYPE(base) (base + 0x05) |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 107 | #define FLASH_CURRENT_RAMP(base) (base + 0x54) |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 108 | |
| 109 | #define FLASH_MAX_LEVEL 0x4F |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 110 | #define TORCH_MAX_LEVEL 0x0F |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 111 | #define FLASH_NO_MASK 0x00 |
| 112 | |
| 113 | #define FLASH_MASK_1 0x20 |
| 114 | #define FLASH_MASK_REG_MASK 0xE0 |
| 115 | #define FLASH_HEADROOM_MASK 0x03 |
| 116 | #define FLASH_SAFETY_TIMER_MASK 0x7F |
| 117 | #define FLASH_CURRENT_MASK 0xFF |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 118 | #define FLASH_MAX_CURRENT_MASK 0x7F |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 119 | #define FLASH_TMR_MASK 0x03 |
| 120 | #define FLASH_TMR_WATCHDOG 0x03 |
| 121 | #define FLASH_TMR_SAFETY 0x00 |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 122 | #define FLASH_FAULT_DETECT_MASK 0X80 |
Chun Zhang | bcdcf23 | 2013-06-06 18:11:41 -0700 | [diff] [blame] | 123 | #define FLASH_HW_VREG_OK 0x40 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 124 | #define FLASH_VREG_MASK 0xC0 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 125 | #define FLASH_STARTUP_DLY_MASK 0x02 |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 126 | #define FLASH_CURRENT_RAMP_MASK 0xBF |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 127 | |
| 128 | #define FLASH_ENABLE_ALL 0xE0 |
| 129 | #define FLASH_ENABLE_MODULE 0x80 |
| 130 | #define FLASH_ENABLE_MODULE_MASK 0x80 |
| 131 | #define FLASH_DISABLE_ALL 0x00 |
Amy Maloche | 38b9aae | 2013-02-07 12:15:34 -0800 | [diff] [blame] | 132 | #define FLASH_ENABLE_MASK 0xE0 |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 133 | #define FLASH_ENABLE_LED_0 0xC0 |
| 134 | #define FLASH_ENABLE_LED_1 0xA0 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 135 | #define FLASH_INIT_MASK 0xE0 |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 136 | #define FLASH_SELFCHECK_ENABLE 0x80 |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 137 | #define FLASH_RAMP_STEP_27US 0xBF |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 138 | |
Abinaya P | b6e3ba4 | 2014-01-07 15:32:31 +0530 | [diff] [blame] | 139 | #define FLASH_HW_SW_STROBE_SEL_MASK 0x04 |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 140 | #define FLASH_STROBE_MASK 0xC7 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 141 | #define FLASH_LED_0_OUTPUT 0x80 |
| 142 | #define FLASH_LED_1_OUTPUT 0x40 |
Abinaya P | b6e3ba4 | 2014-01-07 15:32:31 +0530 | [diff] [blame] | 143 | #define FLASH_TORCH_OUTPUT 0xC0 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 144 | |
| 145 | #define FLASH_CURRENT_PRGM_MIN 1 |
| 146 | #define FLASH_CURRENT_PRGM_SHIFT 1 |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 147 | #define FLASH_CURRENT_MAX 0x4F |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 148 | #define FLASH_CURRENT_TORCH 0x07 |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 149 | |
| 150 | #define FLASH_DURATION_200ms 0x13 |
| 151 | #define FLASH_CLAMP_200mA 0x0F |
| 152 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 153 | #define FLASH_TORCH_MASK 0x03 |
| 154 | #define FLASH_LED_TORCH_ENABLE 0x00 |
| 155 | #define FLASH_LED_TORCH_DISABLE 0x03 |
| 156 | #define FLASH_UNLOCK_SECURE 0xA5 |
| 157 | #define FLASH_SECURE_MASK 0xFF |
| 158 | |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 159 | #define FLASH_SUBTYPE_DUAL 0x01 |
| 160 | #define FLASH_SUBTYPE_SINGLE 0x02 |
| 161 | |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 162 | #define FLASH_RAMP_UP_DELAY_US 1000 |
| 163 | #define FLASH_RAMP_DN_DELAY_US 2160 |
| 164 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 165 | #define LED_TRIGGER_DEFAULT "none" |
| 166 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 167 | #define RGB_LED_SRC_SEL(base) (base + 0x45) |
| 168 | #define RGB_LED_EN_CTL(base) (base + 0x46) |
| 169 | #define RGB_LED_ATC_CTL(base) (base + 0x47) |
| 170 | |
| 171 | #define RGB_MAX_LEVEL LED_FULL |
| 172 | #define RGB_LED_ENABLE_RED 0x80 |
| 173 | #define RGB_LED_ENABLE_GREEN 0x40 |
| 174 | #define RGB_LED_ENABLE_BLUE 0x20 |
| 175 | #define RGB_LED_SOURCE_VPH_PWR 0x01 |
| 176 | #define RGB_LED_ENABLE_MASK 0xE0 |
| 177 | #define RGB_LED_SRC_MASK 0x03 |
| 178 | #define QPNP_LED_PWM_FLAGS (PM_PWM_LUT_LOOP | PM_PWM_LUT_RAMP_UP) |
Amy Maloche | 013b35b | 2013-03-19 12:29:11 -0700 | [diff] [blame] | 179 | #define QPNP_LUT_RAMP_STEP_DEFAULT 255 |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 180 | #define PWM_LUT_MAX_SIZE 63 |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 181 | #define PWM_GPLED_LUT_MAX_SIZE 31 |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 182 | #define RGB_LED_DISABLE 0x00 |
| 183 | |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 184 | #define MPP_MAX_LEVEL LED_FULL |
| 185 | #define LED_MPP_MODE_CTRL(base) (base + 0x40) |
| 186 | #define LED_MPP_VIN_CTRL(base) (base + 0x41) |
| 187 | #define LED_MPP_EN_CTRL(base) (base + 0x46) |
| 188 | #define LED_MPP_SINK_CTRL(base) (base + 0x4C) |
| 189 | |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 190 | #define LED_MPP_CURRENT_MIN 5 |
| 191 | #define LED_MPP_CURRENT_MAX 40 |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 192 | #define LED_MPP_VIN_CTRL_DEFAULT 0 |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 193 | #define LED_MPP_CURRENT_PER_SETTING 5 |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 194 | #define LED_MPP_SOURCE_SEL_DEFAULT LED_MPP_MODE_ENABLE |
| 195 | |
| 196 | #define LED_MPP_SINK_MASK 0x07 |
| 197 | #define LED_MPP_MODE_MASK 0x7F |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 198 | #define LED_MPP_VIN_MASK 0x03 |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 199 | #define LED_MPP_EN_MASK 0x80 |
Amy Maloche | ce59f66 | 2013-05-02 10:59:53 -0700 | [diff] [blame] | 200 | #define LED_MPP_SRC_MASK 0x0F |
| 201 | #define LED_MPP_MODE_CTRL_MASK 0x70 |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 202 | |
| 203 | #define LED_MPP_MODE_SINK (0x06 << 4) |
| 204 | #define LED_MPP_MODE_ENABLE 0x01 |
| 205 | #define LED_MPP_MODE_OUTPUT 0x10 |
| 206 | #define LED_MPP_MODE_DISABLE 0x00 |
| 207 | #define LED_MPP_EN_ENABLE 0x80 |
| 208 | #define LED_MPP_EN_DISABLE 0x00 |
| 209 | |
| 210 | #define MPP_SOURCE_DTEST1 0x08 |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 211 | |
| 212 | #define KPDBL_MAX_LEVEL LED_FULL |
| 213 | #define KPDBL_ROW_SRC_SEL(base) (base + 0x40) |
| 214 | #define KPDBL_ENABLE(base) (base + 0x46) |
| 215 | #define KPDBL_ROW_SRC(base) (base + 0xE5) |
| 216 | |
| 217 | #define KPDBL_ROW_SRC_SEL_VAL_MASK 0x0F |
| 218 | #define KPDBL_ROW_SCAN_EN_MASK 0x80 |
| 219 | #define KPDBL_ROW_SCAN_VAL_MASK 0x0F |
| 220 | #define KPDBL_ROW_SCAN_EN_SHIFT 7 |
| 221 | #define KPDBL_MODULE_EN 0x80 |
| 222 | #define KPDBL_MODULE_DIS 0x00 |
| 223 | #define KPDBL_MODULE_EN_MASK 0x80 |
| 224 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 225 | /** |
| 226 | * enum qpnp_leds - QPNP supported led ids |
| 227 | * @QPNP_ID_WLED - White led backlight |
| 228 | */ |
| 229 | enum qpnp_leds { |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 230 | QPNP_ID_WLED = 0, |
| 231 | QPNP_ID_FLASH1_LED0, |
| 232 | QPNP_ID_FLASH1_LED1, |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 233 | QPNP_ID_RGB_RED, |
| 234 | QPNP_ID_RGB_GREEN, |
| 235 | QPNP_ID_RGB_BLUE, |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 236 | QPNP_ID_LED_MPP, |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 237 | QPNP_ID_KPDBL, |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 238 | QPNP_ID_MAX, |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 239 | }; |
| 240 | |
| 241 | /* current boost limit */ |
| 242 | enum wled_current_boost_limit { |
| 243 | WLED_CURR_LIMIT_105mA, |
| 244 | WLED_CURR_LIMIT_385mA, |
| 245 | WLED_CURR_LIMIT_525mA, |
| 246 | WLED_CURR_LIMIT_805mA, |
| 247 | WLED_CURR_LIMIT_980mA, |
| 248 | WLED_CURR_LIMIT_1260mA, |
| 249 | WLED_CURR_LIMIT_1400mA, |
| 250 | WLED_CURR_LIMIT_1680mA, |
| 251 | }; |
| 252 | |
| 253 | /* over voltage protection threshold */ |
| 254 | enum wled_ovp_threshold { |
| 255 | WLED_OVP_35V, |
| 256 | WLED_OVP_32V, |
| 257 | WLED_OVP_29V, |
Abinaya P | e65d2cd | 2013-12-23 19:31:57 +0530 | [diff] [blame] | 258 | WLED_OVP_27V, |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 259 | }; |
| 260 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 261 | enum flash_headroom { |
| 262 | HEADROOM_250mV = 0, |
| 263 | HEADROOM_300mV, |
| 264 | HEADROOM_400mV, |
| 265 | HEADROOM_500mV, |
| 266 | }; |
| 267 | |
| 268 | enum flash_startup_dly { |
| 269 | DELAY_10us = 0, |
| 270 | DELAY_32us, |
| 271 | DELAY_64us, |
| 272 | DELAY_128us, |
| 273 | }; |
| 274 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 275 | enum led_mode { |
| 276 | PWM_MODE = 0, |
| 277 | LPG_MODE, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 278 | MANUAL_MODE, |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 279 | }; |
| 280 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 281 | static u8 wled_debug_regs[] = { |
| 282 | /* common registers */ |
| 283 | 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4d, 0x4e, 0x4f, |
| 284 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
| 285 | /* LED1 */ |
| 286 | 0x60, 0x61, 0x62, 0x63, 0x66, |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 287 | /* LED2 */ |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 288 | 0x70, 0x71, 0x72, 0x73, 0x76, |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 289 | /* LED3 */ |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 290 | 0x80, 0x81, 0x82, 0x83, 0x86, |
| 291 | }; |
| 292 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 293 | static u8 flash_debug_regs[] = { |
| 294 | 0x40, 0x41, 0x42, 0x43, 0x44, 0x48, 0x49, 0x4b, 0x4c, |
| 295 | 0x4f, 0x46, 0x47, |
| 296 | }; |
| 297 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 298 | static u8 rgb_pwm_debug_regs[] = { |
| 299 | 0x45, 0x46, 0x47, |
| 300 | }; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 301 | |
| 302 | static u8 mpp_debug_regs[] = { |
| 303 | 0x40, 0x41, 0x42, 0x45, 0x46, 0x4c, |
| 304 | }; |
| 305 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 306 | static u8 kpdbl_debug_regs[] = { |
| 307 | 0x40, 0x46, 0xb1, 0xb3, 0xb4, 0xe5, |
| 308 | }; |
| 309 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 310 | /** |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 311 | * pwm_config_data - pwm configuration data |
| 312 | * @lut_params - lut parameters to be used by pwm driver |
| 313 | * @pwm_device - pwm device |
| 314 | * @pwm_channel - pwm channel to be configured for led |
| 315 | * @pwm_period_us - period for pwm, in us |
| 316 | * @mode - mode the led operates in |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 317 | * @old_duty_pcts - storage for duty pcts that may need to be reused |
| 318 | * @default_mode - default mode of LED as set in device tree |
| 319 | * @use_blink - use blink sysfs entry |
| 320 | * @blinking - device is currently blinking w/LPG mode |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 321 | */ |
| 322 | struct pwm_config_data { |
| 323 | struct lut_params lut_params; |
| 324 | struct pwm_device *pwm_dev; |
| 325 | int pwm_channel; |
| 326 | u32 pwm_period_us; |
| 327 | struct pwm_duty_cycles *duty_cycles; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 328 | int *old_duty_pcts; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 329 | u8 mode; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 330 | u8 default_mode; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 331 | bool use_blink; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 332 | bool blinking; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 333 | }; |
| 334 | |
| 335 | /** |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 336 | * wled_config_data - wled configuration data |
| 337 | * @num_strings - number of wled strings supported |
| 338 | * @ovp_val - over voltage protection threshold |
| 339 | * @boost_curr_lim - boot current limit |
| 340 | * @cp_select - high pole capacitance |
| 341 | * @ctrl_delay_us - delay in activation of led |
| 342 | * @dig_mod_gen_en - digital module generator |
| 343 | * @cs_out_en - current sink output enable |
| 344 | * @op_fdbck - selection of output as feedback for the boost |
| 345 | */ |
| 346 | struct wled_config_data { |
| 347 | u8 num_strings; |
| 348 | u8 ovp_val; |
| 349 | u8 boost_curr_lim; |
| 350 | u8 cp_select; |
| 351 | u8 ctrl_delay_us; |
| 352 | u8 switch_freq; |
Amy Maloche | bd68767 | 2013-03-18 11:23:45 -0700 | [diff] [blame] | 353 | u8 op_fdbck; |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 354 | u8 pmic_version; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 355 | bool dig_mod_gen_en; |
| 356 | bool cs_out_en; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 357 | }; |
| 358 | |
| 359 | /** |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 360 | * mpp_config_data - mpp configuration data |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 361 | * @pwm_cfg - device pwm configuration |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 362 | * @current_setting - current setting, 5ma-40ma in 5ma increments |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 363 | * @source_sel - source selection |
| 364 | * @mode_ctrl - mode control |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 365 | * @vin_ctrl - input control |
| 366 | * @min_brightness - minimum brightness supported |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 367 | * @pwm_mode - pwm mode in use |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 368 | */ |
| 369 | struct mpp_config_data { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 370 | struct pwm_config_data *pwm_cfg; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 371 | u8 current_setting; |
| 372 | u8 source_sel; |
| 373 | u8 mode_ctrl; |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 374 | u8 vin_ctrl; |
| 375 | u8 min_brightness; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 376 | u8 pwm_mode; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 377 | }; |
| 378 | |
| 379 | /** |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 380 | * flash_config_data - flash configuration data |
| 381 | * @current_prgm - current to be programmed, scaled by max level |
| 382 | * @clamp_curr - clamp current to use |
| 383 | * @headroom - headroom value to use |
| 384 | * @duration - duration of the flash |
| 385 | * @enable_module - enable address for particular flash |
| 386 | * @trigger_flash - trigger flash |
| 387 | * @startup_dly - startup delay for flash |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 388 | * @strobe_type - select between sw and hw strobe |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 389 | * @peripheral_subtype - module peripheral subtype |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 390 | * @current_addr - address to write for current |
| 391 | * @second_addr - address of secondary flash to be written |
| 392 | * @safety_timer - enable safety timer or watchdog timer |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 393 | * @torch_enable - enable flash LED torch mode |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 394 | * @flash_reg_get - flash regulator attached or not |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 395 | * @flash_on - flash status, on or off |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 396 | * @torch_on - torch status, on or off |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 397 | * @flash_boost_reg - boost regulator for flash |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 398 | * @torch_boost_reg - boost regulator for torch |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 399 | */ |
| 400 | struct flash_config_data { |
| 401 | u8 current_prgm; |
| 402 | u8 clamp_curr; |
| 403 | u8 headroom; |
| 404 | u8 duration; |
| 405 | u8 enable_module; |
| 406 | u8 trigger_flash; |
| 407 | u8 startup_dly; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 408 | u8 strobe_type; |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 409 | u8 peripheral_subtype; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 410 | u16 current_addr; |
| 411 | u16 second_addr; |
| 412 | bool safety_timer; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 413 | bool torch_enable; |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 414 | bool flash_reg_get; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 415 | bool flash_on; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 416 | bool torch_on; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 417 | struct regulator *flash_boost_reg; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 418 | struct regulator *torch_boost_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 419 | }; |
| 420 | |
| 421 | /** |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 422 | * kpdbl_config_data - kpdbl configuration data |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 423 | * @pwm_cfg - device pwm configuration |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 424 | * @mode - running mode: pwm or lut |
| 425 | * @row_id - row id of the led |
| 426 | * @row_src_vbst - 0 for vph_pwr and 1 for vbst |
| 427 | * @row_src_en - enable row source |
| 428 | * @always_on - always on row |
| 429 | * @lut_params - lut parameters to be used by pwm driver |
| 430 | * @duty_cycles - duty cycles for lut |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 431 | */ |
| 432 | struct kpdbl_config_data { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 433 | struct pwm_config_data *pwm_cfg; |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 434 | u32 row_id; |
| 435 | bool row_src_vbst; |
| 436 | bool row_src_en; |
| 437 | bool always_on; |
| 438 | struct pwm_duty_cycles *duty_cycles; |
| 439 | struct lut_params lut_params; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 440 | }; |
| 441 | |
| 442 | /** |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 443 | * rgb_config_data - rgb configuration data |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 444 | * @pwm_cfg - device pwm configuration |
| 445 | * @enable - bits to enable led |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 446 | */ |
| 447 | struct rgb_config_data { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 448 | struct pwm_config_data *pwm_cfg; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 449 | u8 enable; |
| 450 | }; |
| 451 | |
| 452 | /** |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 453 | * struct qpnp_led_data - internal led data structure |
| 454 | * @led_classdev - led class device |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 455 | * @delayed_work - delayed work for turning off the LED |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 456 | * @work - workqueue for led |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 457 | * @id - led index |
| 458 | * @base_reg - base register given in device tree |
| 459 | * @lock - to protect the transactions |
| 460 | * @reg - cached value of led register |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 461 | * @num_leds - number of leds in the module |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 462 | * @max_current - maximum current supported by LED |
| 463 | * @default_on - true: default state max, false, default state 0 |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 464 | * @turn_off_delay_ms - number of msec before turning off the LED |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 465 | */ |
| 466 | struct qpnp_led_data { |
| 467 | struct led_classdev cdev; |
| 468 | struct spmi_device *spmi_dev; |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 469 | struct delayed_work dwork; |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 470 | struct work_struct work; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 471 | int id; |
| 472 | u16 base; |
| 473 | u8 reg; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 474 | u8 num_leds; |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 475 | struct mutex lock; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 476 | struct wled_config_data *wled_cfg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 477 | struct flash_config_data *flash_cfg; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 478 | struct kpdbl_config_data *kpdbl_cfg; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 479 | struct rgb_config_data *rgb_cfg; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 480 | struct mpp_config_data *mpp_cfg; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 481 | int max_current; |
| 482 | bool default_on; |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 483 | int turn_off_delay_ms; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 484 | }; |
| 485 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 486 | static int num_kpbl_leds_on; |
| 487 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 488 | static int |
| 489 | qpnp_led_masked_write(struct qpnp_led_data *led, u16 addr, u8 mask, u8 val) |
| 490 | { |
| 491 | int rc; |
| 492 | u8 reg; |
| 493 | |
| 494 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 495 | addr, ®, 1); |
| 496 | if (rc) { |
| 497 | dev_err(&led->spmi_dev->dev, |
| 498 | "Unable to read from addr=%x, rc(%d)\n", addr, rc); |
| 499 | } |
| 500 | |
| 501 | reg &= ~mask; |
| 502 | reg |= val; |
| 503 | |
| 504 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 505 | addr, ®, 1); |
| 506 | if (rc) |
| 507 | dev_err(&led->spmi_dev->dev, |
| 508 | "Unable to write to addr=%x, rc(%d)\n", addr, rc); |
| 509 | return rc; |
| 510 | } |
| 511 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 512 | static void qpnp_dump_regs(struct qpnp_led_data *led, u8 regs[], u8 array_size) |
| 513 | { |
| 514 | int i; |
| 515 | u8 val; |
| 516 | |
| 517 | pr_debug("===== %s LED register dump start =====\n", led->cdev.name); |
| 518 | for (i = 0; i < array_size; i++) { |
| 519 | spmi_ext_register_readl(led->spmi_dev->ctrl, |
| 520 | led->spmi_dev->sid, |
| 521 | led->base + regs[i], |
| 522 | &val, sizeof(val)); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 523 | pr_debug("%s: 0x%x = 0x%x\n", led->cdev.name, |
| 524 | led->base + regs[i], val); |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 525 | } |
| 526 | pr_debug("===== %s LED register dump end =====\n", led->cdev.name); |
| 527 | } |
| 528 | |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 529 | static int qpnp_wled_sync(struct qpnp_led_data *led) |
| 530 | { |
| 531 | int rc; |
| 532 | u8 val; |
| 533 | |
| 534 | /* sync */ |
| 535 | val = WLED_SYNC_VAL; |
| 536 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 537 | WLED_SYNC_REG(led->base), &val, 1); |
| 538 | if (rc) { |
| 539 | dev_err(&led->spmi_dev->dev, |
| 540 | "WLED set sync reg failed(%d)\n", rc); |
| 541 | return rc; |
| 542 | } |
| 543 | |
| 544 | val = WLED_SYNC_RESET_VAL; |
| 545 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 546 | WLED_SYNC_REG(led->base), &val, 1); |
| 547 | if (rc) { |
| 548 | dev_err(&led->spmi_dev->dev, |
| 549 | "WLED reset sync reg failed(%d)\n", rc); |
| 550 | return rc; |
| 551 | } |
| 552 | return 0; |
| 553 | } |
| 554 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 555 | static int qpnp_wled_set(struct qpnp_led_data *led) |
| 556 | { |
Amy Maloche | d55fdb8 | 2013-02-26 18:11:57 -0800 | [diff] [blame] | 557 | int rc, duty, level; |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 558 | u8 val, i, num_wled_strings, sink_val; |
| 559 | |
| 560 | num_wled_strings = led->wled_cfg->num_strings; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 561 | |
| 562 | level = led->cdev.brightness; |
| 563 | |
| 564 | if (level > WLED_MAX_LEVEL) |
| 565 | level = WLED_MAX_LEVEL; |
| 566 | if (level == 0) { |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 567 | for (i = 0; i < num_wled_strings; i++) { |
| 568 | rc = qpnp_led_masked_write(led, |
| 569 | WLED_FULL_SCALE_REG(led->base, i), |
| 570 | WLED_MAX_CURR_MASK, WLED_NO_CURRENT); |
| 571 | if (rc) { |
| 572 | dev_err(&led->spmi_dev->dev, |
| 573 | "Write max current failure (%d)\n", |
| 574 | rc); |
| 575 | return rc; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | rc = qpnp_wled_sync(led); |
| 580 | if (rc) { |
| 581 | dev_err(&led->spmi_dev->dev, |
| 582 | "WLED sync failed(%d)\n", rc); |
| 583 | return rc; |
| 584 | } |
| 585 | |
| 586 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, |
| 587 | led->spmi_dev->sid, WLED_CURR_SINK_REG(led->base), |
| 588 | &sink_val, 1); |
| 589 | if (rc) { |
| 590 | dev_err(&led->spmi_dev->dev, |
| 591 | "WLED read sink reg failed(%d)\n", rc); |
| 592 | return rc; |
| 593 | } |
| 594 | |
| 595 | if (led->wled_cfg->pmic_version == PMIC_VER_8026) { |
| 596 | val = WLED_DISABLE_ALL_SINKS; |
| 597 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, |
| 598 | led->spmi_dev->sid, |
| 599 | WLED_CURR_SINK_REG(led->base), &val, 1); |
| 600 | if (rc) { |
| 601 | dev_err(&led->spmi_dev->dev, |
| 602 | "WLED write sink reg failed(%d)\n", rc); |
| 603 | return rc; |
| 604 | } |
| 605 | |
| 606 | usleep(WLED_OVP_DELAY); |
| 607 | } |
| 608 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 609 | val = WLED_BOOST_OFF; |
| 610 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, |
| 611 | led->spmi_dev->sid, WLED_MOD_CTRL_REG(led->base), |
| 612 | &val, 1); |
| 613 | if (rc) { |
| 614 | dev_err(&led->spmi_dev->dev, |
| 615 | "WLED write ctrl reg failed(%d)\n", rc); |
| 616 | return rc; |
| 617 | } |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 618 | |
| 619 | for (i = 0; i < num_wled_strings; i++) { |
| 620 | rc = qpnp_led_masked_write(led, |
| 621 | WLED_FULL_SCALE_REG(led->base, i), |
Abinaya P | 03cee1d | 2014-02-17 17:51:53 +0530 | [diff] [blame] | 622 | WLED_MAX_CURR_MASK, (u8)led->max_current); |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 623 | if (rc) { |
| 624 | dev_err(&led->spmi_dev->dev, |
| 625 | "Write max current failure (%d)\n", |
| 626 | rc); |
| 627 | return rc; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | rc = qpnp_wled_sync(led); |
| 632 | if (rc) { |
| 633 | dev_err(&led->spmi_dev->dev, |
| 634 | "WLED sync failed(%d)\n", rc); |
| 635 | return rc; |
| 636 | } |
| 637 | |
| 638 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, |
| 639 | led->spmi_dev->sid, WLED_CURR_SINK_REG(led->base), |
| 640 | &sink_val, 1); |
| 641 | if (rc) { |
| 642 | dev_err(&led->spmi_dev->dev, |
| 643 | "WLED write sink reg failed(%d)\n", rc); |
| 644 | return rc; |
| 645 | } |
| 646 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 647 | } else { |
| 648 | val = WLED_BOOST_ON; |
| 649 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, |
| 650 | led->spmi_dev->sid, WLED_MOD_CTRL_REG(led->base), |
| 651 | &val, 1); |
| 652 | if (rc) { |
| 653 | dev_err(&led->spmi_dev->dev, |
| 654 | "WLED write ctrl reg failed(%d)\n", rc); |
| 655 | return rc; |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | duty = (WLED_MAX_DUTY_CYCLE * level) / WLED_MAX_LEVEL; |
| 660 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 661 | /* program brightness control registers */ |
| 662 | for (i = 0; i < num_wled_strings; i++) { |
| 663 | rc = qpnp_led_masked_write(led, |
| 664 | WLED_BRIGHTNESS_CNTL_MSB(led->base, i), WLED_MSB_MASK, |
| 665 | (duty >> WLED_8_BIT_SHFT) & WLED_4_BIT_MASK); |
| 666 | if (rc) { |
| 667 | dev_err(&led->spmi_dev->dev, |
| 668 | "WLED set brightness MSB failed(%d)\n", rc); |
| 669 | return rc; |
| 670 | } |
| 671 | val = duty & WLED_8_BIT_MASK; |
| 672 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, |
| 673 | led->spmi_dev->sid, |
| 674 | WLED_BRIGHTNESS_CNTL_LSB(led->base, i), &val, 1); |
| 675 | if (rc) { |
| 676 | dev_err(&led->spmi_dev->dev, |
| 677 | "WLED set brightness LSB failed(%d)\n", rc); |
| 678 | return rc; |
| 679 | } |
| 680 | } |
| 681 | |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 682 | rc = qpnp_wled_sync(led); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 683 | if (rc) { |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 684 | dev_err(&led->spmi_dev->dev, "WLED sync failed(%d)\n", rc); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 685 | return rc; |
| 686 | } |
| 687 | return 0; |
| 688 | } |
| 689 | |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 690 | static int qpnp_mpp_set(struct qpnp_led_data *led) |
| 691 | { |
Abinaya P | 03cee1d | 2014-02-17 17:51:53 +0530 | [diff] [blame] | 692 | int rc; |
| 693 | u8 val; |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 694 | int duty_us, duty_ns, period_us; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 695 | |
| 696 | if (led->cdev.brightness) { |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 697 | if (led->cdev.brightness < led->mpp_cfg->min_brightness) { |
| 698 | dev_warn(&led->spmi_dev->dev, |
| 699 | "brightness is less than supported..." \ |
| 700 | "set to minimum supported\n"); |
| 701 | led->cdev.brightness = led->mpp_cfg->min_brightness; |
| 702 | } |
| 703 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 704 | if (led->mpp_cfg->pwm_mode != MANUAL_MODE) { |
| 705 | if (!led->mpp_cfg->pwm_cfg->blinking) { |
| 706 | led->mpp_cfg->pwm_cfg->mode = |
| 707 | led->mpp_cfg->pwm_cfg->default_mode; |
| 708 | led->mpp_cfg->pwm_mode = |
| 709 | led->mpp_cfg->pwm_cfg->default_mode; |
| 710 | } |
| 711 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 712 | if (led->mpp_cfg->pwm_mode == PWM_MODE) { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 713 | /*config pwm for brightness scaling*/ |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 714 | period_us = led->mpp_cfg->pwm_cfg->pwm_period_us; |
| 715 | if (period_us > INT_MAX / NSEC_PER_USEC) { |
| 716 | duty_us = (period_us * led->cdev.brightness) / |
| 717 | LED_FULL; |
| 718 | rc = pwm_config_us( |
| 719 | led->mpp_cfg->pwm_cfg->pwm_dev, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 720 | duty_us, |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 721 | period_us); |
| 722 | } else { |
| 723 | duty_ns = ((period_us * NSEC_PER_USEC) / |
| 724 | LED_FULL) * led->cdev.brightness; |
| 725 | rc = pwm_config( |
| 726 | led->mpp_cfg->pwm_cfg->pwm_dev, |
| 727 | duty_ns, |
| 728 | period_us * NSEC_PER_USEC); |
| 729 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 730 | if (rc < 0) { |
| 731 | dev_err(&led->spmi_dev->dev, "Failed to " \ |
| 732 | "configure pwm for new values\n"); |
| 733 | return rc; |
| 734 | } |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 735 | } |
| 736 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 737 | if (led->mpp_cfg->pwm_mode != MANUAL_MODE) |
| 738 | pwm_enable(led->mpp_cfg->pwm_cfg->pwm_dev); |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 739 | else { |
| 740 | if (led->cdev.brightness < LED_MPP_CURRENT_MIN) |
| 741 | led->cdev.brightness = LED_MPP_CURRENT_MIN; |
| 742 | |
| 743 | val = (led->cdev.brightness / LED_MPP_CURRENT_MIN) - 1; |
| 744 | |
| 745 | rc = qpnp_led_masked_write(led, |
| 746 | LED_MPP_SINK_CTRL(led->base), |
| 747 | LED_MPP_SINK_MASK, val); |
| 748 | if (rc) { |
| 749 | dev_err(&led->spmi_dev->dev, |
| 750 | "Failed to write sink control reg\n"); |
| 751 | return rc; |
| 752 | } |
| 753 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 754 | |
Amy Maloche | ce59f66 | 2013-05-02 10:59:53 -0700 | [diff] [blame] | 755 | val = (led->mpp_cfg->source_sel & LED_MPP_SRC_MASK) | |
| 756 | (led->mpp_cfg->mode_ctrl & LED_MPP_MODE_CTRL_MASK); |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 757 | |
| 758 | rc = qpnp_led_masked_write(led, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 759 | LED_MPP_MODE_CTRL(led->base), LED_MPP_MODE_MASK, |
| 760 | val); |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 761 | if (rc) { |
| 762 | dev_err(&led->spmi_dev->dev, |
| 763 | "Failed to write led mode reg\n"); |
| 764 | return rc; |
| 765 | } |
| 766 | |
| 767 | rc = qpnp_led_masked_write(led, |
| 768 | LED_MPP_EN_CTRL(led->base), LED_MPP_EN_MASK, |
| 769 | LED_MPP_EN_ENABLE); |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 770 | if (rc) { |
| 771 | dev_err(&led->spmi_dev->dev, |
| 772 | "Failed to write led enable " \ |
| 773 | "reg\n"); |
| 774 | return rc; |
| 775 | } |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 776 | } else { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 777 | if (led->mpp_cfg->pwm_mode != MANUAL_MODE) { |
| 778 | led->mpp_cfg->pwm_cfg->mode = |
| 779 | led->mpp_cfg->pwm_cfg->default_mode; |
| 780 | led->mpp_cfg->pwm_mode = |
| 781 | led->mpp_cfg->pwm_cfg->default_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 782 | pwm_disable(led->mpp_cfg->pwm_cfg->pwm_dev); |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 783 | } |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 784 | rc = qpnp_led_masked_write(led, |
| 785 | LED_MPP_MODE_CTRL(led->base), |
| 786 | LED_MPP_MODE_MASK, |
| 787 | LED_MPP_MODE_DISABLE); |
| 788 | if (rc) { |
| 789 | dev_err(&led->spmi_dev->dev, |
| 790 | "Failed to write led mode reg\n"); |
| 791 | return rc; |
| 792 | } |
| 793 | |
| 794 | rc = qpnp_led_masked_write(led, |
| 795 | LED_MPP_EN_CTRL(led->base), |
| 796 | LED_MPP_EN_MASK, |
| 797 | LED_MPP_EN_DISABLE); |
| 798 | if (rc) { |
| 799 | dev_err(&led->spmi_dev->dev, |
| 800 | "Failed to write led enable reg\n"); |
| 801 | return rc; |
| 802 | } |
| 803 | } |
| 804 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 805 | if (led->mpp_cfg->pwm_mode != MANUAL_MODE) |
| 806 | led->mpp_cfg->pwm_cfg->blinking = false; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 807 | qpnp_dump_regs(led, mpp_debug_regs, ARRAY_SIZE(mpp_debug_regs)); |
| 808 | |
| 809 | return 0; |
| 810 | } |
| 811 | |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 812 | static int qpnp_flash_regulator_operate(struct qpnp_led_data *led, bool on) |
| 813 | { |
| 814 | int rc, i; |
| 815 | struct qpnp_led_data *led_array; |
| 816 | bool regulator_on = false; |
| 817 | |
| 818 | led_array = dev_get_drvdata(&led->spmi_dev->dev); |
| 819 | if (!led_array) { |
| 820 | dev_err(&led->spmi_dev->dev, |
| 821 | "Unable to get LED array\n"); |
| 822 | return -EINVAL; |
| 823 | } |
| 824 | |
| 825 | for (i = 0; i < led->num_leds; i++) |
| 826 | regulator_on |= led_array[i].flash_cfg->flash_on; |
| 827 | |
| 828 | if (!on) |
| 829 | goto regulator_turn_off; |
| 830 | |
| 831 | if (!regulator_on && !led->flash_cfg->flash_on) { |
| 832 | for (i = 0; i < led->num_leds; i++) { |
| 833 | if (led_array[i].flash_cfg->flash_reg_get) { |
| 834 | rc = regulator_enable( |
| 835 | led_array[i].flash_cfg->\ |
| 836 | flash_boost_reg); |
| 837 | if (rc) { |
| 838 | dev_err(&led->spmi_dev->dev, |
| 839 | "Regulator enable failed(%d)\n", |
| 840 | rc); |
| 841 | return rc; |
| 842 | } |
| 843 | led->flash_cfg->flash_on = true; |
| 844 | } |
| 845 | break; |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | return 0; |
| 850 | |
| 851 | regulator_turn_off: |
| 852 | if (regulator_on && led->flash_cfg->flash_on) { |
| 853 | for (i = 0; i < led->num_leds; i++) { |
| 854 | if (led_array[i].flash_cfg->flash_reg_get) { |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 855 | rc = qpnp_led_masked_write(led, |
| 856 | FLASH_ENABLE_CONTROL(led->base), |
| 857 | FLASH_ENABLE_MASK, |
| 858 | FLASH_DISABLE_ALL); |
| 859 | if (rc) { |
| 860 | dev_err(&led->spmi_dev->dev, |
| 861 | "Enable reg write failed(%d)\n", |
| 862 | rc); |
| 863 | } |
| 864 | |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 865 | rc = regulator_disable(led_array[i].flash_cfg->\ |
| 866 | flash_boost_reg); |
| 867 | if (rc) { |
| 868 | dev_err(&led->spmi_dev->dev, |
| 869 | "Regulator disable failed(%d)\n", |
| 870 | rc); |
| 871 | return rc; |
| 872 | } |
| 873 | led->flash_cfg->flash_on = false; |
| 874 | } |
| 875 | break; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | return 0; |
| 880 | } |
| 881 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 882 | static int qpnp_torch_regulator_operate(struct qpnp_led_data *led, bool on) |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 883 | { |
| 884 | int rc; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 885 | |
| 886 | if (!on) |
| 887 | goto regulator_turn_off; |
| 888 | |
| 889 | if (!led->flash_cfg->torch_on) { |
| 890 | rc = regulator_enable(led->flash_cfg->torch_boost_reg); |
| 891 | if (rc) { |
| 892 | dev_err(&led->spmi_dev->dev, |
| 893 | "Regulator enable failed(%d)\n", rc); |
| 894 | return rc; |
| 895 | } |
| 896 | led->flash_cfg->torch_on = true; |
| 897 | } |
| 898 | return 0; |
| 899 | |
| 900 | regulator_turn_off: |
| 901 | if (led->flash_cfg->torch_on) { |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 902 | rc = qpnp_led_masked_write(led, FLASH_ENABLE_CONTROL(led->base), |
| 903 | FLASH_ENABLE_MODULE_MASK, FLASH_DISABLE_ALL); |
| 904 | if (rc) { |
| 905 | dev_err(&led->spmi_dev->dev, |
| 906 | "Enable reg write failed(%d)\n", rc); |
| 907 | } |
| 908 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 909 | rc = regulator_disable(led->flash_cfg->torch_boost_reg); |
| 910 | if (rc) { |
| 911 | dev_err(&led->spmi_dev->dev, |
| 912 | "Regulator disable failed(%d)\n", rc); |
| 913 | return rc; |
| 914 | } |
| 915 | led->flash_cfg->torch_on = false; |
| 916 | } |
| 917 | return 0; |
| 918 | } |
| 919 | |
| 920 | static int qpnp_flash_set(struct qpnp_led_data *led) |
| 921 | { |
| 922 | int rc, error; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 923 | int val = led->cdev.brightness; |
| 924 | |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 925 | if (led->flash_cfg->torch_enable) |
| 926 | led->flash_cfg->current_prgm = |
| 927 | (val * TORCH_MAX_LEVEL / led->max_current); |
| 928 | else |
| 929 | led->flash_cfg->current_prgm = |
| 930 | (val * FLASH_MAX_LEVEL / led->max_current); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 931 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 932 | /* Set led current */ |
| 933 | if (val > 0) { |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 934 | if (led->flash_cfg->torch_enable) { |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 935 | if (led->flash_cfg->peripheral_subtype == |
| 936 | FLASH_SUBTYPE_DUAL) { |
| 937 | rc = qpnp_torch_regulator_operate(led, true); |
| 938 | if (rc) { |
| 939 | dev_err(&led->spmi_dev->dev, |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 940 | "Torch regulator operate failed(%d)\n", |
| 941 | rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 942 | return rc; |
| 943 | } |
| 944 | } else if (led->flash_cfg->peripheral_subtype == |
| 945 | FLASH_SUBTYPE_SINGLE) { |
| 946 | rc = qpnp_flash_regulator_operate(led, true); |
| 947 | if (rc) { |
| 948 | dev_err(&led->spmi_dev->dev, |
| 949 | "Flash regulator operate failed(%d)\n", |
| 950 | rc); |
| 951 | goto error_flash_set; |
| 952 | } |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 953 | } |
| 954 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 955 | rc = qpnp_led_masked_write(led, |
| 956 | FLASH_LED_UNLOCK_SECURE(led->base), |
| 957 | FLASH_SECURE_MASK, FLASH_UNLOCK_SECURE); |
| 958 | if (rc) { |
| 959 | dev_err(&led->spmi_dev->dev, |
| 960 | "Secure reg write failed(%d)\n", rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 961 | goto error_reg_write; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | rc = qpnp_led_masked_write(led, |
| 965 | FLASH_LED_TORCH(led->base), |
| 966 | FLASH_TORCH_MASK, FLASH_LED_TORCH_ENABLE); |
| 967 | if (rc) { |
| 968 | dev_err(&led->spmi_dev->dev, |
| 969 | "Torch reg write failed(%d)\n", rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 970 | goto error_reg_write; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 971 | } |
| 972 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 973 | rc = qpnp_led_masked_write(led, |
| 974 | led->flash_cfg->current_addr, |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 975 | FLASH_CURRENT_MASK, |
| 976 | led->flash_cfg->current_prgm); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 977 | if (rc) { |
| 978 | dev_err(&led->spmi_dev->dev, |
| 979 | "Current reg write failed(%d)\n", rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 980 | goto error_reg_write; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 981 | } |
| 982 | |
| 983 | rc = qpnp_led_masked_write(led, |
| 984 | led->flash_cfg->second_addr, |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 985 | FLASH_CURRENT_MASK, |
| 986 | led->flash_cfg->current_prgm); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 987 | if (rc) { |
| 988 | dev_err(&led->spmi_dev->dev, |
| 989 | "2nd Current reg write failed(%d)\n", |
| 990 | rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 991 | goto error_reg_write; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 992 | } |
| 993 | |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 994 | qpnp_led_masked_write(led, FLASH_MAX_CURR(led->base), |
| 995 | FLASH_CURRENT_MASK, |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 996 | TORCH_MAX_LEVEL); |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 997 | if (rc) { |
| 998 | dev_err(&led->spmi_dev->dev, |
| 999 | "Max current reg write failed(%d)\n", |
| 1000 | rc); |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 1001 | goto error_reg_write; |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1002 | } |
| 1003 | |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 1004 | rc = qpnp_led_masked_write(led, |
| 1005 | FLASH_ENABLE_CONTROL(led->base), |
| 1006 | FLASH_ENABLE_MASK, |
| 1007 | led->flash_cfg->enable_module); |
| 1008 | if (rc) { |
| 1009 | dev_err(&led->spmi_dev->dev, |
| 1010 | "Enable reg write failed(%d)\n", |
| 1011 | rc); |
| 1012 | goto error_reg_write; |
| 1013 | } |
| 1014 | |
Abinaya P | b6e3ba4 | 2014-01-07 15:32:31 +0530 | [diff] [blame] | 1015 | if (!led->flash_cfg->strobe_type) |
| 1016 | led->flash_cfg->trigger_flash &= |
| 1017 | ~FLASH_HW_SW_STROBE_SEL_MASK; |
| 1018 | else |
| 1019 | led->flash_cfg->trigger_flash |= |
| 1020 | FLASH_HW_SW_STROBE_SEL_MASK; |
| 1021 | |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 1022 | rc = qpnp_led_masked_write(led, |
| 1023 | FLASH_LED_STROBE_CTRL(led->base), |
| 1024 | led->flash_cfg->trigger_flash, |
| 1025 | led->flash_cfg->trigger_flash); |
| 1026 | if (rc) { |
| 1027 | dev_err(&led->spmi_dev->dev, |
| 1028 | "LED %d strobe reg write failed(%d)\n", |
| 1029 | led->id, rc); |
| 1030 | goto error_reg_write; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1031 | } |
| 1032 | } else { |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 1033 | rc = qpnp_flash_regulator_operate(led, true); |
| 1034 | if (rc) { |
| 1035 | dev_err(&led->spmi_dev->dev, |
| 1036 | "Flash regulator operate failed(%d)\n", |
| 1037 | rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1038 | goto error_flash_set; |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 1039 | } |
| 1040 | |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1041 | /* Set flash safety timer */ |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1042 | rc = qpnp_led_masked_write(led, |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1043 | FLASH_SAFETY_TIMER(led->base), |
| 1044 | FLASH_SAFETY_TIMER_MASK, |
| 1045 | led->flash_cfg->duration); |
| 1046 | if (rc) { |
| 1047 | dev_err(&led->spmi_dev->dev, |
| 1048 | "Safety timer reg write failed(%d)\n", |
| 1049 | rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1050 | goto error_flash_set; |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1051 | } |
| 1052 | |
| 1053 | /* Set max current */ |
| 1054 | rc = qpnp_led_masked_write(led, |
| 1055 | FLASH_MAX_CURR(led->base), FLASH_CURRENT_MASK, |
| 1056 | FLASH_MAX_LEVEL); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1057 | if (rc) { |
| 1058 | dev_err(&led->spmi_dev->dev, |
| 1059 | "Max current reg write failed(%d)\n", |
| 1060 | rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1061 | goto error_flash_set; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1062 | } |
| 1063 | |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1064 | /* Set clamp current */ |
| 1065 | rc = qpnp_led_masked_write(led, |
| 1066 | FLASH_CLAMP_CURR(led->base), |
| 1067 | FLASH_CURRENT_MASK, |
| 1068 | led->flash_cfg->clamp_curr); |
| 1069 | if (rc) { |
| 1070 | dev_err(&led->spmi_dev->dev, |
| 1071 | "Clamp current reg write failed(%d)\n", |
| 1072 | rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1073 | goto error_flash_set; |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1074 | } |
| 1075 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1076 | rc = qpnp_led_masked_write(led, |
| 1077 | led->flash_cfg->current_addr, |
| 1078 | FLASH_CURRENT_MASK, |
| 1079 | led->flash_cfg->current_prgm); |
| 1080 | if (rc) { |
| 1081 | dev_err(&led->spmi_dev->dev, |
| 1082 | "Current reg write failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1083 | goto error_flash_set; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | rc = qpnp_led_masked_write(led, |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1087 | FLASH_ENABLE_CONTROL(led->base), |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 1088 | led->flash_cfg->enable_module, |
| 1089 | led->flash_cfg->enable_module); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1090 | if (rc) { |
| 1091 | dev_err(&led->spmi_dev->dev, |
| 1092 | "Enable reg write failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1093 | goto error_flash_set; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1094 | } |
Amy Maloche | 38b9aae | 2013-02-07 12:15:34 -0800 | [diff] [blame] | 1095 | |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 1096 | /* |
| 1097 | * Add 1ms delay for bharger enter stable state |
| 1098 | */ |
| 1099 | usleep(FLASH_RAMP_UP_DELAY_US); |
| 1100 | |
Abinaya P | b6e3ba4 | 2014-01-07 15:32:31 +0530 | [diff] [blame] | 1101 | if (!led->flash_cfg->strobe_type) |
| 1102 | led->flash_cfg->trigger_flash &= |
| 1103 | ~FLASH_HW_SW_STROBE_SEL_MASK; |
| 1104 | else |
| 1105 | led->flash_cfg->trigger_flash |= |
| 1106 | FLASH_HW_SW_STROBE_SEL_MASK; |
| 1107 | |
| 1108 | rc = qpnp_led_masked_write(led, |
| 1109 | FLASH_LED_STROBE_CTRL(led->base), |
| 1110 | led->flash_cfg->trigger_flash, |
| 1111 | led->flash_cfg->trigger_flash); |
| 1112 | if (rc) { |
| 1113 | dev_err(&led->spmi_dev->dev, |
| 1114 | "LED %d strobe reg write failed(%d)\n", |
| 1115 | led->id, rc); |
| 1116 | goto error_flash_set; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1117 | } |
Amy Maloche | 38b9aae | 2013-02-07 12:15:34 -0800 | [diff] [blame] | 1118 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 1119 | } else { |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1120 | rc = qpnp_led_masked_write(led, |
| 1121 | FLASH_LED_STROBE_CTRL(led->base), |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 1122 | led->flash_cfg->trigger_flash, |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1123 | FLASH_DISABLE_ALL); |
| 1124 | if (rc) { |
| 1125 | dev_err(&led->spmi_dev->dev, |
| 1126 | "LED %d flash write failed(%d)\n", led->id, rc); |
| 1127 | if (led->flash_cfg->torch_enable) |
| 1128 | goto error_torch_set; |
| 1129 | else |
| 1130 | goto error_flash_set; |
| 1131 | } |
| 1132 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1133 | if (led->flash_cfg->torch_enable) { |
| 1134 | rc = qpnp_led_masked_write(led, |
| 1135 | FLASH_LED_UNLOCK_SECURE(led->base), |
| 1136 | FLASH_SECURE_MASK, FLASH_UNLOCK_SECURE); |
| 1137 | if (rc) { |
| 1138 | dev_err(&led->spmi_dev->dev, |
| 1139 | "Secure reg write failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1140 | goto error_torch_set; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | rc = qpnp_led_masked_write(led, |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1144 | FLASH_LED_TORCH(led->base), |
| 1145 | FLASH_TORCH_MASK, |
| 1146 | FLASH_LED_TORCH_DISABLE); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1147 | if (rc) { |
| 1148 | dev_err(&led->spmi_dev->dev, |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 1149 | "Torch reg write failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1150 | goto error_torch_set; |
| 1151 | } |
| 1152 | |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 1153 | if (led->flash_cfg->peripheral_subtype == |
| 1154 | FLASH_SUBTYPE_DUAL) { |
| 1155 | rc = qpnp_torch_regulator_operate(led, false); |
| 1156 | if (rc) { |
| 1157 | dev_err(&led->spmi_dev->dev, |
| 1158 | "Torch regulator operate failed(%d)\n", |
| 1159 | rc); |
| 1160 | return rc; |
| 1161 | } |
| 1162 | } else if (led->flash_cfg->peripheral_subtype == |
| 1163 | FLASH_SUBTYPE_SINGLE) { |
| 1164 | rc = qpnp_flash_regulator_operate(led, false); |
| 1165 | if (rc) { |
| 1166 | dev_err(&led->spmi_dev->dev, |
| 1167 | "Flash regulator operate failed(%d)\n", |
| 1168 | rc); |
| 1169 | return rc; |
| 1170 | } |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1171 | } |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1172 | } else { |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 1173 | /* |
| 1174 | * Disable module after ramp down complete for stable |
| 1175 | * behavior |
| 1176 | */ |
| 1177 | usleep(FLASH_RAMP_DN_DELAY_US); |
| 1178 | |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 1179 | rc = qpnp_led_masked_write(led, |
| 1180 | FLASH_ENABLE_CONTROL(led->base), |
| 1181 | led->flash_cfg->enable_module & |
| 1182 | ~FLASH_ENABLE_MODULE_MASK, |
| 1183 | FLASH_DISABLE_ALL); |
| 1184 | if (rc) { |
| 1185 | dev_err(&led->spmi_dev->dev, |
| 1186 | "Enable reg write failed(%d)\n", rc); |
| 1187 | if (led->flash_cfg->torch_enable) |
| 1188 | goto error_torch_set; |
| 1189 | else |
| 1190 | goto error_flash_set; |
| 1191 | } |
| 1192 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1193 | rc = qpnp_flash_regulator_operate(led, false); |
| 1194 | if (rc) { |
| 1195 | dev_err(&led->spmi_dev->dev, |
| 1196 | "Flash regulator operate failed(%d)\n", |
| 1197 | rc); |
| 1198 | return rc; |
| 1199 | } |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 1200 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 1201 | } |
| 1202 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1203 | qpnp_dump_regs(led, flash_debug_regs, ARRAY_SIZE(flash_debug_regs)); |
| 1204 | |
| 1205 | return 0; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1206 | |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 1207 | error_reg_write: |
| 1208 | if (led->flash_cfg->peripheral_subtype == FLASH_SUBTYPE_SINGLE) |
| 1209 | goto error_flash_set; |
| 1210 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 1211 | error_torch_set: |
| 1212 | error = qpnp_torch_regulator_operate(led, false); |
| 1213 | if (error) { |
| 1214 | dev_err(&led->spmi_dev->dev, |
| 1215 | "Torch regulator operate failed(%d)\n", rc); |
| 1216 | return error; |
| 1217 | } |
| 1218 | return rc; |
| 1219 | |
| 1220 | error_flash_set: |
| 1221 | error = qpnp_flash_regulator_operate(led, false); |
| 1222 | if (error) { |
| 1223 | dev_err(&led->spmi_dev->dev, |
| 1224 | "Flash regulator operate failed(%d)\n", rc); |
| 1225 | return error; |
| 1226 | } |
| 1227 | return rc; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1228 | } |
| 1229 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1230 | static int qpnp_kpdbl_set(struct qpnp_led_data *led) |
| 1231 | { |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1232 | int rc; |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1233 | int duty_us, duty_ns, period_us; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1234 | |
| 1235 | if (led->cdev.brightness) { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1236 | if (!led->kpdbl_cfg->pwm_cfg->blinking) |
| 1237 | led->kpdbl_cfg->pwm_cfg->mode = |
| 1238 | led->kpdbl_cfg->pwm_cfg->default_mode; |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1239 | if (!num_kpbl_leds_on) { |
| 1240 | rc = qpnp_led_masked_write(led, KPDBL_ENABLE(led->base), |
| 1241 | KPDBL_MODULE_EN_MASK, KPDBL_MODULE_EN); |
| 1242 | if (rc) { |
| 1243 | dev_err(&led->spmi_dev->dev, |
| 1244 | "Enable reg write failed(%d)\n", rc); |
| 1245 | return rc; |
| 1246 | } |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1247 | } |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1248 | |
| 1249 | if (led->kpdbl_cfg->pwm_cfg->mode == PWM_MODE) { |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1250 | period_us = led->kpdbl_cfg->pwm_cfg->pwm_period_us; |
| 1251 | if (period_us > INT_MAX / NSEC_PER_USEC) { |
| 1252 | duty_us = (period_us * led->cdev.brightness) / |
| 1253 | KPDBL_MAX_LEVEL; |
| 1254 | rc = pwm_config_us( |
| 1255 | led->kpdbl_cfg->pwm_cfg->pwm_dev, |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1256 | duty_us, |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1257 | period_us); |
| 1258 | } else { |
| 1259 | duty_ns = ((period_us * NSEC_PER_USEC) / |
| 1260 | KPDBL_MAX_LEVEL) * led->cdev.brightness; |
| 1261 | rc = pwm_config( |
| 1262 | led->kpdbl_cfg->pwm_cfg->pwm_dev, |
| 1263 | duty_ns, |
| 1264 | period_us * NSEC_PER_USEC); |
| 1265 | } |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1266 | if (rc < 0) { |
| 1267 | dev_err(&led->spmi_dev->dev, "pwm config failed\n"); |
| 1268 | return rc; |
| 1269 | } |
| 1270 | } |
| 1271 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 1272 | rc = pwm_enable(led->kpdbl_cfg->pwm_cfg->pwm_dev); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1273 | if (rc < 0) { |
| 1274 | dev_err(&led->spmi_dev->dev, "pwm enable failed\n"); |
| 1275 | return rc; |
| 1276 | } |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1277 | |
| 1278 | num_kpbl_leds_on++; |
| 1279 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1280 | } else { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1281 | led->kpdbl_cfg->pwm_cfg->mode = |
| 1282 | led->kpdbl_cfg->pwm_cfg->default_mode; |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1283 | |
| 1284 | if (led->kpdbl_cfg->always_on) { |
Xu Kai | 0d9a3e2 | 2013-12-17 13:53:56 +0800 | [diff] [blame] | 1285 | rc = pwm_config_us(led->kpdbl_cfg->pwm_cfg->pwm_dev, 0, |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1286 | led->kpdbl_cfg->pwm_cfg->pwm_period_us); |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1287 | if (rc < 0) { |
| 1288 | dev_err(&led->spmi_dev->dev, |
| 1289 | "pwm config failed\n"); |
| 1290 | return rc; |
| 1291 | } |
| 1292 | |
| 1293 | rc = pwm_enable(led->kpdbl_cfg->pwm_cfg->pwm_dev); |
| 1294 | if (rc < 0) { |
| 1295 | dev_err(&led->spmi_dev->dev, "pwm enable failed\n"); |
| 1296 | return rc; |
| 1297 | } |
| 1298 | } else |
| 1299 | pwm_disable(led->kpdbl_cfg->pwm_cfg->pwm_dev); |
| 1300 | |
| 1301 | if (num_kpbl_leds_on > 0) |
| 1302 | num_kpbl_leds_on--; |
| 1303 | |
| 1304 | if (!num_kpbl_leds_on) { |
| 1305 | rc = qpnp_led_masked_write(led, KPDBL_ENABLE(led->base), |
| 1306 | KPDBL_MODULE_EN_MASK, KPDBL_MODULE_DIS); |
| 1307 | if (rc) { |
| 1308 | dev_err(&led->spmi_dev->dev, |
| 1309 | "Failed to write led enable reg\n"); |
| 1310 | return rc; |
| 1311 | } |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1312 | } |
| 1313 | } |
| 1314 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1315 | led->kpdbl_cfg->pwm_cfg->blinking = false; |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1316 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1317 | qpnp_dump_regs(led, kpdbl_debug_regs, ARRAY_SIZE(kpdbl_debug_regs)); |
| 1318 | |
| 1319 | return 0; |
| 1320 | } |
| 1321 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1322 | static int qpnp_rgb_set(struct qpnp_led_data *led) |
| 1323 | { |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1324 | int rc; |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1325 | int duty_us, duty_ns, period_us; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1326 | |
| 1327 | if (led->cdev.brightness) { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1328 | if (!led->rgb_cfg->pwm_cfg->blinking) |
| 1329 | led->rgb_cfg->pwm_cfg->mode = |
| 1330 | led->rgb_cfg->pwm_cfg->default_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 1331 | if (led->rgb_cfg->pwm_cfg->mode == PWM_MODE) { |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1332 | period_us = led->rgb_cfg->pwm_cfg->pwm_period_us; |
| 1333 | if (period_us > INT_MAX / NSEC_PER_USEC) { |
| 1334 | duty_us = (period_us * led->cdev.brightness) / |
| 1335 | LED_FULL; |
| 1336 | rc = pwm_config_us( |
| 1337 | led->rgb_cfg->pwm_cfg->pwm_dev, |
Xu Kai | 0d9a3e2 | 2013-12-17 13:53:56 +0800 | [diff] [blame] | 1338 | duty_us, |
Xu Kai | 9d395ce | 2014-02-28 13:11:09 +0800 | [diff] [blame] | 1339 | period_us); |
| 1340 | } else { |
| 1341 | duty_ns = ((period_us * NSEC_PER_USEC) / |
| 1342 | LED_FULL) * led->cdev.brightness; |
| 1343 | rc = pwm_config( |
| 1344 | led->rgb_cfg->pwm_cfg->pwm_dev, |
| 1345 | duty_ns, |
| 1346 | period_us * NSEC_PER_USEC); |
| 1347 | } |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1348 | if (rc < 0) { |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1349 | dev_err(&led->spmi_dev->dev, |
| 1350 | "pwm config failed\n"); |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1351 | return rc; |
| 1352 | } |
| 1353 | } |
| 1354 | rc = qpnp_led_masked_write(led, |
| 1355 | RGB_LED_EN_CTL(led->base), |
| 1356 | led->rgb_cfg->enable, led->rgb_cfg->enable); |
| 1357 | if (rc) { |
| 1358 | dev_err(&led->spmi_dev->dev, |
| 1359 | "Failed to write led enable reg\n"); |
| 1360 | return rc; |
| 1361 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 1362 | |
| 1363 | rc = pwm_enable(led->rgb_cfg->pwm_cfg->pwm_dev); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1364 | if (rc < 0) { |
| 1365 | dev_err(&led->spmi_dev->dev, "pwm enable failed\n"); |
| 1366 | return rc; |
| 1367 | } |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1368 | } else { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1369 | led->rgb_cfg->pwm_cfg->mode = |
| 1370 | led->rgb_cfg->pwm_cfg->default_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 1371 | pwm_disable(led->rgb_cfg->pwm_cfg->pwm_dev); |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1372 | rc = qpnp_led_masked_write(led, |
| 1373 | RGB_LED_EN_CTL(led->base), |
| 1374 | led->rgb_cfg->enable, RGB_LED_DISABLE); |
| 1375 | if (rc) { |
| 1376 | dev_err(&led->spmi_dev->dev, |
| 1377 | "Failed to write led enable reg\n"); |
| 1378 | return rc; |
| 1379 | } |
| 1380 | } |
| 1381 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1382 | led->rgb_cfg->pwm_cfg->blinking = false; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1383 | qpnp_dump_regs(led, rgb_pwm_debug_regs, ARRAY_SIZE(rgb_pwm_debug_regs)); |
| 1384 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 1385 | return 0; |
| 1386 | } |
| 1387 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1388 | static void qpnp_led_set(struct led_classdev *led_cdev, |
| 1389 | enum led_brightness value) |
| 1390 | { |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1391 | struct qpnp_led_data *led; |
| 1392 | |
| 1393 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1394 | if (value < LED_OFF) { |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 1395 | dev_err(&led->spmi_dev->dev, "Invalid brightness value\n"); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1396 | return; |
| 1397 | } |
| 1398 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 1399 | if (value > led->cdev.max_brightness) |
| 1400 | value = led->cdev.max_brightness; |
| 1401 | |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 1402 | led->cdev.brightness = value; |
| 1403 | schedule_work(&led->work); |
| 1404 | } |
| 1405 | |
| 1406 | static void __qpnp_led_work(struct qpnp_led_data *led, |
| 1407 | enum led_brightness value) |
| 1408 | { |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 1409 | int rc; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 1410 | |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 1411 | mutex_lock(&led->lock); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1412 | |
| 1413 | switch (led->id) { |
| 1414 | case QPNP_ID_WLED: |
| 1415 | rc = qpnp_wled_set(led); |
| 1416 | if (rc < 0) |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 1417 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1418 | "WLED set brightness failed (%d)\n", rc); |
| 1419 | break; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 1420 | case QPNP_ID_FLASH1_LED0: |
| 1421 | case QPNP_ID_FLASH1_LED1: |
| 1422 | rc = qpnp_flash_set(led); |
| 1423 | if (rc < 0) |
| 1424 | dev_err(&led->spmi_dev->dev, |
| 1425 | "FLASH set brightness failed (%d)\n", rc); |
| 1426 | break; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1427 | case QPNP_ID_RGB_RED: |
| 1428 | case QPNP_ID_RGB_GREEN: |
| 1429 | case QPNP_ID_RGB_BLUE: |
| 1430 | rc = qpnp_rgb_set(led); |
| 1431 | if (rc < 0) |
| 1432 | dev_err(&led->spmi_dev->dev, |
| 1433 | "RGB set brightness failed (%d)\n", rc); |
| 1434 | break; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 1435 | case QPNP_ID_LED_MPP: |
| 1436 | rc = qpnp_mpp_set(led); |
| 1437 | if (rc < 0) |
| 1438 | dev_err(&led->spmi_dev->dev, |
| 1439 | "MPP set brightness failed (%d)\n", rc); |
Amy Maloche | 14c9eb3 | 2013-05-06 13:37:58 -0700 | [diff] [blame] | 1440 | break; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1441 | case QPNP_ID_KPDBL: |
| 1442 | rc = qpnp_kpdbl_set(led); |
| 1443 | if (rc < 0) |
| 1444 | dev_err(&led->spmi_dev->dev, |
| 1445 | "KPDBL set brightness failed (%d)\n", rc); |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 1446 | break; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1447 | default: |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 1448 | dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1449 | break; |
| 1450 | } |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 1451 | mutex_unlock(&led->lock); |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 1452 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1453 | } |
| 1454 | |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 1455 | static void qpnp_led_work(struct work_struct *work) |
| 1456 | { |
| 1457 | struct qpnp_led_data *led = container_of(work, |
| 1458 | struct qpnp_led_data, work); |
| 1459 | |
| 1460 | __qpnp_led_work(led, led->cdev.brightness); |
| 1461 | |
| 1462 | return; |
| 1463 | } |
| 1464 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1465 | static int __devinit qpnp_led_set_max_brightness(struct qpnp_led_data *led) |
| 1466 | { |
| 1467 | switch (led->id) { |
| 1468 | case QPNP_ID_WLED: |
| 1469 | led->cdev.max_brightness = WLED_MAX_LEVEL; |
| 1470 | break; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 1471 | case QPNP_ID_FLASH1_LED0: |
| 1472 | case QPNP_ID_FLASH1_LED1: |
| 1473 | led->cdev.max_brightness = led->max_current; |
| 1474 | break; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 1475 | case QPNP_ID_RGB_RED: |
| 1476 | case QPNP_ID_RGB_GREEN: |
| 1477 | case QPNP_ID_RGB_BLUE: |
| 1478 | led->cdev.max_brightness = RGB_MAX_LEVEL; |
| 1479 | break; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 1480 | case QPNP_ID_LED_MPP: |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 1481 | if (led->mpp_cfg->pwm_mode == MANUAL_MODE) |
| 1482 | led->cdev.max_brightness = led->max_current; |
| 1483 | else |
| 1484 | led->cdev.max_brightness = MPP_MAX_LEVEL; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 1485 | break; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 1486 | case QPNP_ID_KPDBL: |
| 1487 | led->cdev.max_brightness = KPDBL_MAX_LEVEL; |
| 1488 | break; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1489 | default: |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 1490 | dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1491 | return -EINVAL; |
| 1492 | } |
| 1493 | |
| 1494 | return 0; |
| 1495 | } |
| 1496 | |
| 1497 | static enum led_brightness qpnp_led_get(struct led_classdev *led_cdev) |
| 1498 | { |
| 1499 | struct qpnp_led_data *led; |
| 1500 | |
| 1501 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1502 | |
| 1503 | return led->cdev.brightness; |
| 1504 | } |
| 1505 | |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 1506 | static void qpnp_led_turn_off_delayed(struct work_struct *work) |
| 1507 | { |
| 1508 | struct delayed_work *dwork = to_delayed_work(work); |
| 1509 | struct qpnp_led_data *led |
| 1510 | = container_of(dwork, struct qpnp_led_data, dwork); |
| 1511 | |
| 1512 | led->cdev.brightness = LED_OFF; |
| 1513 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1514 | } |
| 1515 | |
| 1516 | static void qpnp_led_turn_off(struct qpnp_led_data *led) |
| 1517 | { |
| 1518 | INIT_DELAYED_WORK(&led->dwork, qpnp_led_turn_off_delayed); |
| 1519 | schedule_delayed_work(&led->dwork, |
| 1520 | msecs_to_jiffies(led->turn_off_delay_ms)); |
| 1521 | } |
| 1522 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1523 | static int __devinit qpnp_wled_init(struct qpnp_led_data *led) |
| 1524 | { |
| 1525 | int rc, i; |
| 1526 | u8 num_wled_strings; |
| 1527 | |
| 1528 | num_wled_strings = led->wled_cfg->num_strings; |
| 1529 | |
| 1530 | /* verify ranges */ |
Abinaya P | e65d2cd | 2013-12-23 19:31:57 +0530 | [diff] [blame] | 1531 | if (led->wled_cfg->ovp_val > WLED_OVP_27V) { |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1532 | dev_err(&led->spmi_dev->dev, "Invalid ovp value\n"); |
| 1533 | return -EINVAL; |
| 1534 | } |
| 1535 | |
| 1536 | if (led->wled_cfg->boost_curr_lim > WLED_CURR_LIMIT_1680mA) { |
| 1537 | dev_err(&led->spmi_dev->dev, "Invalid boost current limit\n"); |
| 1538 | return -EINVAL; |
| 1539 | } |
| 1540 | |
| 1541 | if (led->wled_cfg->cp_select > WLED_CP_SELECT_MAX) { |
| 1542 | dev_err(&led->spmi_dev->dev, "Invalid pole capacitance\n"); |
| 1543 | return -EINVAL; |
| 1544 | } |
| 1545 | |
| 1546 | if ((led->max_current > WLED_MAX_CURR)) { |
| 1547 | dev_err(&led->spmi_dev->dev, "Invalid max current\n"); |
| 1548 | return -EINVAL; |
| 1549 | } |
| 1550 | |
| 1551 | if ((led->wled_cfg->ctrl_delay_us % WLED_CTL_DLY_STEP) || |
| 1552 | (led->wled_cfg->ctrl_delay_us > WLED_CTL_DLY_MAX)) { |
| 1553 | dev_err(&led->spmi_dev->dev, "Invalid control delay\n"); |
| 1554 | return -EINVAL; |
| 1555 | } |
| 1556 | |
| 1557 | /* program over voltage protection threshold */ |
| 1558 | rc = qpnp_led_masked_write(led, WLED_OVP_CFG_REG(led->base), |
| 1559 | WLED_OVP_VAL_MASK, |
| 1560 | (led->wled_cfg->ovp_val << WLED_OVP_VAL_BIT_SHFT)); |
| 1561 | if (rc) { |
| 1562 | dev_err(&led->spmi_dev->dev, |
| 1563 | "WLED OVP reg write failed(%d)\n", rc); |
| 1564 | return rc; |
| 1565 | } |
| 1566 | |
| 1567 | /* program current boost limit */ |
| 1568 | rc = qpnp_led_masked_write(led, WLED_BOOST_LIMIT_REG(led->base), |
| 1569 | WLED_BOOST_LIMIT_MASK, led->wled_cfg->boost_curr_lim); |
| 1570 | if (rc) { |
| 1571 | dev_err(&led->spmi_dev->dev, |
| 1572 | "WLED boost limit reg write failed(%d)\n", rc); |
| 1573 | return rc; |
| 1574 | } |
| 1575 | |
| 1576 | /* program output feedback */ |
| 1577 | rc = qpnp_led_masked_write(led, WLED_FDBCK_CTRL_REG(led->base), |
| 1578 | WLED_OP_FDBCK_MASK, |
| 1579 | (led->wled_cfg->op_fdbck << WLED_OP_FDBCK_BIT_SHFT)); |
| 1580 | if (rc) { |
| 1581 | dev_err(&led->spmi_dev->dev, |
| 1582 | "WLED fdbck ctrl reg write failed(%d)\n", rc); |
| 1583 | return rc; |
| 1584 | } |
| 1585 | |
| 1586 | /* program switch frequency */ |
Amy Maloche | 9eccb4c | 2013-07-12 14:31:56 -0700 | [diff] [blame] | 1587 | rc = qpnp_led_masked_write(led, |
| 1588 | WLED_SWITCHING_FREQ_REG(led->base), |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1589 | WLED_SWITCH_FREQ_MASK, led->wled_cfg->switch_freq); |
| 1590 | if (rc) { |
| 1591 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | 9eccb4c | 2013-07-12 14:31:56 -0700 | [diff] [blame] | 1592 | "WLED switch freq reg write failed(%d)\n", rc); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1593 | return rc; |
| 1594 | } |
| 1595 | |
| 1596 | /* program current sink */ |
| 1597 | if (led->wled_cfg->cs_out_en) { |
| 1598 | rc = qpnp_led_masked_write(led, WLED_CURR_SINK_REG(led->base), |
| 1599 | WLED_CURR_SINK_MASK, |
Amy Maloche | 832d90a | 2013-01-07 10:15:29 -0800 | [diff] [blame] | 1600 | (((1 << led->wled_cfg->num_strings) - 1) |
| 1601 | << WLED_CURR_SINK_SHFT)); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1602 | if (rc) { |
| 1603 | dev_err(&led->spmi_dev->dev, |
| 1604 | "WLED curr sink reg write failed(%d)\n", rc); |
| 1605 | return rc; |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | /* program high pole capacitance */ |
| 1610 | rc = qpnp_led_masked_write(led, WLED_HIGH_POLE_CAP_REG(led->base), |
| 1611 | WLED_CP_SELECT_MASK, led->wled_cfg->cp_select); |
| 1612 | if (rc) { |
| 1613 | dev_err(&led->spmi_dev->dev, |
| 1614 | "WLED pole cap reg write failed(%d)\n", rc); |
| 1615 | return rc; |
| 1616 | } |
| 1617 | |
| 1618 | /* program modulator, current mod src and cabc */ |
| 1619 | for (i = 0; i < num_wled_strings; i++) { |
| 1620 | rc = qpnp_led_masked_write(led, WLED_MOD_EN_REG(led->base, i), |
| 1621 | WLED_NO_MASK, WLED_EN_MASK); |
| 1622 | if (rc) { |
| 1623 | dev_err(&led->spmi_dev->dev, |
| 1624 | "WLED mod enable reg write failed(%d)\n", rc); |
| 1625 | return rc; |
| 1626 | } |
| 1627 | |
| 1628 | if (led->wled_cfg->dig_mod_gen_en) { |
| 1629 | rc = qpnp_led_masked_write(led, |
Amy Maloche | d44516e | 2013-02-14 17:36:34 -0800 | [diff] [blame] | 1630 | WLED_MOD_SRC_SEL_REG(led->base, i), |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1631 | WLED_NO_MASK, WLED_USE_EXT_GEN_MOD_SRC); |
| 1632 | if (rc) { |
| 1633 | dev_err(&led->spmi_dev->dev, |
| 1634 | "WLED dig mod en reg write failed(%d)\n", rc); |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | rc = qpnp_led_masked_write(led, |
| 1639 | WLED_FULL_SCALE_REG(led->base, i), WLED_MAX_CURR_MASK, |
Abinaya P | 03cee1d | 2014-02-17 17:51:53 +0530 | [diff] [blame] | 1640 | (u8)led->max_current); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1641 | if (rc) { |
| 1642 | dev_err(&led->spmi_dev->dev, |
| 1643 | "WLED max current reg write failed(%d)\n", rc); |
| 1644 | return rc; |
| 1645 | } |
| 1646 | |
| 1647 | } |
| 1648 | |
Sarada Prasanna Garnayak | 40f6502 | 2013-11-01 20:17:32 +0530 | [diff] [blame] | 1649 | /* Reset WLED enable register */ |
| 1650 | rc = qpnp_led_masked_write(led, WLED_MOD_CTRL_REG(led->base), |
| 1651 | WLED_8_BIT_MASK, WLED_BOOST_OFF); |
| 1652 | if (rc) { |
| 1653 | dev_err(&led->spmi_dev->dev, |
| 1654 | "WLED write ctrl reg failed(%d)\n", rc); |
| 1655 | return rc; |
| 1656 | } |
| 1657 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1658 | /* dump wled registers */ |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 1659 | qpnp_dump_regs(led, wled_debug_regs, ARRAY_SIZE(wled_debug_regs)); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 1660 | |
| 1661 | return 0; |
| 1662 | } |
| 1663 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 1664 | static ssize_t led_mode_store(struct device *dev, |
| 1665 | struct device_attribute *attr, |
| 1666 | const char *buf, size_t count) |
| 1667 | { |
| 1668 | struct qpnp_led_data *led; |
| 1669 | unsigned long state; |
| 1670 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1671 | ssize_t ret = -EINVAL; |
| 1672 | |
| 1673 | ret = kstrtoul(buf, 10, &state); |
| 1674 | if (ret) |
| 1675 | return ret; |
| 1676 | |
| 1677 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1678 | |
| 1679 | /* '1' to enable torch mode; '0' to switch to flash mode */ |
| 1680 | if (state == 1) |
| 1681 | led->flash_cfg->torch_enable = true; |
| 1682 | else |
| 1683 | led->flash_cfg->torch_enable = false; |
| 1684 | |
| 1685 | return count; |
| 1686 | } |
| 1687 | |
| 1688 | static ssize_t led_strobe_type_store(struct device *dev, |
| 1689 | struct device_attribute *attr, |
| 1690 | const char *buf, size_t count) |
| 1691 | { |
| 1692 | struct qpnp_led_data *led; |
| 1693 | unsigned long state; |
| 1694 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1695 | ssize_t ret = -EINVAL; |
| 1696 | |
| 1697 | ret = kstrtoul(buf, 10, &state); |
| 1698 | if (ret) |
| 1699 | return ret; |
| 1700 | |
| 1701 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1702 | |
| 1703 | /* '0' for sw strobe; '1' for hw strobe */ |
| 1704 | if (state == 1) |
| 1705 | led->flash_cfg->strobe_type = 1; |
| 1706 | else |
| 1707 | led->flash_cfg->strobe_type = 0; |
| 1708 | |
| 1709 | return count; |
| 1710 | } |
| 1711 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 1712 | static int qpnp_pwm_init(struct pwm_config_data *pwm_cfg, |
| 1713 | struct spmi_device *spmi_dev, |
| 1714 | const char *name) |
| 1715 | { |
| 1716 | int rc, start_idx, idx_len; |
| 1717 | |
| 1718 | if (pwm_cfg->pwm_channel != -1) { |
| 1719 | pwm_cfg->pwm_dev = |
| 1720 | pwm_request(pwm_cfg->pwm_channel, name); |
| 1721 | |
| 1722 | if (IS_ERR_OR_NULL(pwm_cfg->pwm_dev)) { |
| 1723 | dev_err(&spmi_dev->dev, |
| 1724 | "could not acquire PWM Channel %d, " \ |
| 1725 | "error %ld\n", |
| 1726 | pwm_cfg->pwm_channel, |
| 1727 | PTR_ERR(pwm_cfg->pwm_dev)); |
| 1728 | pwm_cfg->pwm_dev = NULL; |
| 1729 | return -ENODEV; |
| 1730 | } |
| 1731 | |
| 1732 | if (pwm_cfg->mode == LPG_MODE) { |
| 1733 | start_idx = |
| 1734 | pwm_cfg->duty_cycles->start_idx; |
| 1735 | idx_len = |
| 1736 | pwm_cfg->duty_cycles->num_duty_pcts; |
| 1737 | |
| 1738 | if (idx_len >= PWM_LUT_MAX_SIZE && |
| 1739 | start_idx) { |
| 1740 | dev_err(&spmi_dev->dev, |
| 1741 | "Wrong LUT size or index\n"); |
| 1742 | return -EINVAL; |
| 1743 | } |
| 1744 | if ((start_idx + idx_len) > |
| 1745 | PWM_LUT_MAX_SIZE) { |
| 1746 | dev_err(&spmi_dev->dev, |
| 1747 | "Exceed LUT limit\n"); |
| 1748 | return -EINVAL; |
| 1749 | } |
| 1750 | rc = pwm_lut_config(pwm_cfg->pwm_dev, |
| 1751 | PM_PWM_PERIOD_MIN, /* ignored by hardware */ |
| 1752 | pwm_cfg->duty_cycles->duty_pcts, |
| 1753 | pwm_cfg->lut_params); |
| 1754 | if (rc < 0) { |
| 1755 | dev_err(&spmi_dev->dev, "Failed to " \ |
| 1756 | "configure pwm LUT\n"); |
| 1757 | return rc; |
| 1758 | } |
| 1759 | } |
| 1760 | } else { |
| 1761 | dev_err(&spmi_dev->dev, |
| 1762 | "Invalid PWM channel\n"); |
| 1763 | return -EINVAL; |
| 1764 | } |
| 1765 | |
| 1766 | return 0; |
| 1767 | } |
| 1768 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 1769 | static ssize_t pwm_us_store(struct device *dev, |
| 1770 | struct device_attribute *attr, |
| 1771 | const char *buf, size_t count) |
| 1772 | { |
| 1773 | struct qpnp_led_data *led; |
| 1774 | u32 pwm_us; |
| 1775 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1776 | ssize_t ret; |
| 1777 | u32 previous_pwm_us; |
| 1778 | struct pwm_config_data *pwm_cfg; |
| 1779 | |
| 1780 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1781 | |
| 1782 | ret = kstrtou32(buf, 10, &pwm_us); |
| 1783 | if (ret) |
| 1784 | return ret; |
| 1785 | |
| 1786 | switch (led->id) { |
| 1787 | case QPNP_ID_LED_MPP: |
| 1788 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 1789 | break; |
| 1790 | case QPNP_ID_RGB_RED: |
| 1791 | case QPNP_ID_RGB_GREEN: |
| 1792 | case QPNP_ID_RGB_BLUE: |
| 1793 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 1794 | break; |
| 1795 | default: |
| 1796 | dev_err(&led->spmi_dev->dev, |
| 1797 | "Invalid LED id type for pwm_us\n"); |
| 1798 | return -EINVAL; |
| 1799 | } |
| 1800 | |
| 1801 | if (pwm_cfg->mode == LPG_MODE) |
| 1802 | pwm_cfg->blinking = true; |
| 1803 | |
| 1804 | previous_pwm_us = pwm_cfg->pwm_period_us; |
| 1805 | |
| 1806 | pwm_cfg->pwm_period_us = pwm_us; |
| 1807 | pwm_free(pwm_cfg->pwm_dev); |
| 1808 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1809 | if (ret) { |
| 1810 | pwm_cfg->pwm_period_us = previous_pwm_us; |
| 1811 | pwm_free(pwm_cfg->pwm_dev); |
| 1812 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1813 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1814 | dev_err(&led->spmi_dev->dev, |
| 1815 | "Failed to initialize pwm with new pwm_us value\n"); |
| 1816 | return ret; |
| 1817 | } |
| 1818 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1819 | return count; |
| 1820 | } |
| 1821 | |
| 1822 | static ssize_t pause_lo_store(struct device *dev, |
| 1823 | struct device_attribute *attr, |
| 1824 | const char *buf, size_t count) |
| 1825 | { |
| 1826 | struct qpnp_led_data *led; |
| 1827 | u32 pause_lo; |
| 1828 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1829 | ssize_t ret; |
| 1830 | u32 previous_pause_lo; |
| 1831 | struct pwm_config_data *pwm_cfg; |
| 1832 | |
| 1833 | ret = kstrtou32(buf, 10, &pause_lo); |
| 1834 | if (ret) |
| 1835 | return ret; |
| 1836 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1837 | |
| 1838 | switch (led->id) { |
| 1839 | case QPNP_ID_LED_MPP: |
| 1840 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 1841 | break; |
| 1842 | case QPNP_ID_RGB_RED: |
| 1843 | case QPNP_ID_RGB_GREEN: |
| 1844 | case QPNP_ID_RGB_BLUE: |
| 1845 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 1846 | break; |
| 1847 | default: |
| 1848 | dev_err(&led->spmi_dev->dev, |
| 1849 | "Invalid LED id type for pause lo\n"); |
| 1850 | return -EINVAL; |
| 1851 | } |
| 1852 | |
| 1853 | if (pwm_cfg->mode == LPG_MODE) |
| 1854 | pwm_cfg->blinking = true; |
| 1855 | |
| 1856 | previous_pause_lo = pwm_cfg->lut_params.lut_pause_lo; |
| 1857 | |
| 1858 | pwm_free(pwm_cfg->pwm_dev); |
| 1859 | pwm_cfg->lut_params.lut_pause_lo = pause_lo; |
| 1860 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1861 | if (ret) { |
| 1862 | pwm_cfg->lut_params.lut_pause_lo = previous_pause_lo; |
| 1863 | pwm_free(pwm_cfg->pwm_dev); |
| 1864 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1865 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1866 | dev_err(&led->spmi_dev->dev, |
| 1867 | "Failed to initialize pwm with new pause lo value\n"); |
| 1868 | return ret; |
| 1869 | } |
| 1870 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1871 | return count; |
| 1872 | } |
| 1873 | |
| 1874 | static ssize_t pause_hi_store(struct device *dev, |
| 1875 | struct device_attribute *attr, |
| 1876 | const char *buf, size_t count) |
| 1877 | { |
| 1878 | struct qpnp_led_data *led; |
| 1879 | u32 pause_hi; |
| 1880 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1881 | ssize_t ret; |
| 1882 | u32 previous_pause_hi; |
| 1883 | struct pwm_config_data *pwm_cfg; |
| 1884 | |
| 1885 | ret = kstrtou32(buf, 10, &pause_hi); |
| 1886 | if (ret) |
| 1887 | return ret; |
| 1888 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1889 | |
| 1890 | switch (led->id) { |
| 1891 | case QPNP_ID_LED_MPP: |
| 1892 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 1893 | break; |
| 1894 | case QPNP_ID_RGB_RED: |
| 1895 | case QPNP_ID_RGB_GREEN: |
| 1896 | case QPNP_ID_RGB_BLUE: |
| 1897 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 1898 | break; |
| 1899 | default: |
| 1900 | dev_err(&led->spmi_dev->dev, |
| 1901 | "Invalid LED id type for pause hi\n"); |
| 1902 | return -EINVAL; |
| 1903 | } |
| 1904 | |
| 1905 | if (pwm_cfg->mode == LPG_MODE) |
| 1906 | pwm_cfg->blinking = true; |
| 1907 | |
| 1908 | previous_pause_hi = pwm_cfg->lut_params.lut_pause_hi; |
| 1909 | |
| 1910 | pwm_free(pwm_cfg->pwm_dev); |
| 1911 | pwm_cfg->lut_params.lut_pause_hi = pause_hi; |
| 1912 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1913 | if (ret) { |
| 1914 | pwm_cfg->lut_params.lut_pause_hi = previous_pause_hi; |
| 1915 | pwm_free(pwm_cfg->pwm_dev); |
| 1916 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1917 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1918 | dev_err(&led->spmi_dev->dev, |
| 1919 | "Failed to initialize pwm with new pause hi value\n"); |
| 1920 | return ret; |
| 1921 | } |
| 1922 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1923 | return count; |
| 1924 | } |
| 1925 | |
| 1926 | static ssize_t start_idx_store(struct device *dev, |
| 1927 | struct device_attribute *attr, |
| 1928 | const char *buf, size_t count) |
| 1929 | { |
| 1930 | struct qpnp_led_data *led; |
| 1931 | u32 start_idx; |
| 1932 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1933 | ssize_t ret; |
| 1934 | u32 previous_start_idx; |
| 1935 | struct pwm_config_data *pwm_cfg; |
| 1936 | |
| 1937 | ret = kstrtou32(buf, 10, &start_idx); |
| 1938 | if (ret) |
| 1939 | return ret; |
| 1940 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1941 | |
| 1942 | switch (led->id) { |
| 1943 | case QPNP_ID_LED_MPP: |
| 1944 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 1945 | break; |
| 1946 | case QPNP_ID_RGB_RED: |
| 1947 | case QPNP_ID_RGB_GREEN: |
| 1948 | case QPNP_ID_RGB_BLUE: |
| 1949 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 1950 | break; |
| 1951 | default: |
| 1952 | dev_err(&led->spmi_dev->dev, |
| 1953 | "Invalid LED id type for start idx\n"); |
| 1954 | return -EINVAL; |
| 1955 | } |
| 1956 | |
| 1957 | if (pwm_cfg->mode == LPG_MODE) |
| 1958 | pwm_cfg->blinking = true; |
| 1959 | |
| 1960 | previous_start_idx = pwm_cfg->duty_cycles->start_idx; |
| 1961 | pwm_cfg->duty_cycles->start_idx = start_idx; |
| 1962 | pwm_cfg->lut_params.start_idx = pwm_cfg->duty_cycles->start_idx; |
| 1963 | pwm_free(pwm_cfg->pwm_dev); |
| 1964 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1965 | if (ret) { |
| 1966 | pwm_cfg->duty_cycles->start_idx = previous_start_idx; |
| 1967 | pwm_cfg->lut_params.start_idx = pwm_cfg->duty_cycles->start_idx; |
| 1968 | pwm_free(pwm_cfg->pwm_dev); |
| 1969 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 1970 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1971 | dev_err(&led->spmi_dev->dev, |
| 1972 | "Failed to initialize pwm with new start idx value\n"); |
| 1973 | return ret; |
| 1974 | } |
| 1975 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 1976 | return count; |
| 1977 | } |
| 1978 | |
| 1979 | static ssize_t ramp_step_ms_store(struct device *dev, |
| 1980 | struct device_attribute *attr, |
| 1981 | const char *buf, size_t count) |
| 1982 | { |
| 1983 | struct qpnp_led_data *led; |
| 1984 | u32 ramp_step_ms; |
| 1985 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 1986 | ssize_t ret; |
| 1987 | u32 previous_ramp_step_ms; |
| 1988 | struct pwm_config_data *pwm_cfg; |
| 1989 | |
| 1990 | ret = kstrtou32(buf, 10, &ramp_step_ms); |
| 1991 | if (ret) |
| 1992 | return ret; |
| 1993 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 1994 | |
| 1995 | switch (led->id) { |
| 1996 | case QPNP_ID_LED_MPP: |
| 1997 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 1998 | break; |
| 1999 | case QPNP_ID_RGB_RED: |
| 2000 | case QPNP_ID_RGB_GREEN: |
| 2001 | case QPNP_ID_RGB_BLUE: |
| 2002 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 2003 | break; |
| 2004 | default: |
| 2005 | dev_err(&led->spmi_dev->dev, |
| 2006 | "Invalid LED id type for ramp step\n"); |
| 2007 | return -EINVAL; |
| 2008 | } |
| 2009 | |
| 2010 | if (pwm_cfg->mode == LPG_MODE) |
| 2011 | pwm_cfg->blinking = true; |
| 2012 | |
| 2013 | previous_ramp_step_ms = pwm_cfg->lut_params.ramp_step_ms; |
| 2014 | |
| 2015 | pwm_free(pwm_cfg->pwm_dev); |
| 2016 | pwm_cfg->lut_params.ramp_step_ms = ramp_step_ms; |
| 2017 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2018 | if (ret) { |
| 2019 | pwm_cfg->lut_params.ramp_step_ms = previous_ramp_step_ms; |
| 2020 | pwm_free(pwm_cfg->pwm_dev); |
| 2021 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2022 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2023 | dev_err(&led->spmi_dev->dev, |
| 2024 | "Failed to initialize pwm with new ramp step value\n"); |
| 2025 | return ret; |
| 2026 | } |
| 2027 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2028 | return count; |
| 2029 | } |
| 2030 | |
| 2031 | static ssize_t lut_flags_store(struct device *dev, |
| 2032 | struct device_attribute *attr, |
| 2033 | const char *buf, size_t count) |
| 2034 | { |
| 2035 | struct qpnp_led_data *led; |
| 2036 | u32 lut_flags; |
| 2037 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 2038 | ssize_t ret; |
| 2039 | u32 previous_lut_flags; |
| 2040 | struct pwm_config_data *pwm_cfg; |
| 2041 | |
| 2042 | ret = kstrtou32(buf, 10, &lut_flags); |
| 2043 | if (ret) |
| 2044 | return ret; |
| 2045 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 2046 | |
| 2047 | switch (led->id) { |
| 2048 | case QPNP_ID_LED_MPP: |
| 2049 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 2050 | break; |
| 2051 | case QPNP_ID_RGB_RED: |
| 2052 | case QPNP_ID_RGB_GREEN: |
| 2053 | case QPNP_ID_RGB_BLUE: |
| 2054 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 2055 | break; |
| 2056 | default: |
| 2057 | dev_err(&led->spmi_dev->dev, |
| 2058 | "Invalid LED id type for lut flags\n"); |
| 2059 | return -EINVAL; |
| 2060 | } |
| 2061 | |
| 2062 | if (pwm_cfg->mode == LPG_MODE) |
| 2063 | pwm_cfg->blinking = true; |
| 2064 | |
| 2065 | previous_lut_flags = pwm_cfg->lut_params.flags; |
| 2066 | |
| 2067 | pwm_free(pwm_cfg->pwm_dev); |
| 2068 | pwm_cfg->lut_params.flags = lut_flags; |
| 2069 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2070 | if (ret) { |
| 2071 | pwm_cfg->lut_params.flags = previous_lut_flags; |
| 2072 | pwm_free(pwm_cfg->pwm_dev); |
| 2073 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2074 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2075 | dev_err(&led->spmi_dev->dev, |
| 2076 | "Failed to initialize pwm with new lut flags value\n"); |
| 2077 | return ret; |
| 2078 | } |
| 2079 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2080 | return count; |
| 2081 | } |
| 2082 | |
| 2083 | static ssize_t duty_pcts_store(struct device *dev, |
| 2084 | struct device_attribute *attr, |
| 2085 | const char *buf, size_t count) |
| 2086 | { |
| 2087 | struct qpnp_led_data *led; |
| 2088 | int num_duty_pcts = 0; |
| 2089 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 2090 | char *buffer; |
| 2091 | ssize_t ret; |
| 2092 | int i = 0; |
| 2093 | int max_duty_pcts; |
| 2094 | struct pwm_config_data *pwm_cfg; |
| 2095 | u32 previous_num_duty_pcts; |
| 2096 | int value; |
| 2097 | int *previous_duty_pcts; |
| 2098 | |
| 2099 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 2100 | |
| 2101 | switch (led->id) { |
| 2102 | case QPNP_ID_LED_MPP: |
| 2103 | pwm_cfg = led->mpp_cfg->pwm_cfg; |
| 2104 | max_duty_pcts = PWM_LUT_MAX_SIZE; |
| 2105 | break; |
| 2106 | case QPNP_ID_RGB_RED: |
| 2107 | case QPNP_ID_RGB_GREEN: |
| 2108 | case QPNP_ID_RGB_BLUE: |
| 2109 | pwm_cfg = led->rgb_cfg->pwm_cfg; |
| 2110 | max_duty_pcts = PWM_LUT_MAX_SIZE; |
| 2111 | break; |
| 2112 | default: |
| 2113 | dev_err(&led->spmi_dev->dev, |
| 2114 | "Invalid LED id type for duty pcts\n"); |
| 2115 | return -EINVAL; |
| 2116 | } |
| 2117 | |
| 2118 | if (pwm_cfg->mode == LPG_MODE) |
| 2119 | pwm_cfg->blinking = true; |
| 2120 | |
| 2121 | buffer = (char *)buf; |
| 2122 | |
| 2123 | for (i = 0; i < max_duty_pcts; i++) { |
| 2124 | if (buffer == NULL) |
| 2125 | break; |
| 2126 | ret = sscanf((const char *)buffer, "%u,%s", &value, buffer); |
| 2127 | pwm_cfg->old_duty_pcts[i] = value; |
| 2128 | num_duty_pcts++; |
| 2129 | if (ret <= 1) |
| 2130 | break; |
| 2131 | } |
| 2132 | |
| 2133 | if (num_duty_pcts >= max_duty_pcts) { |
| 2134 | dev_err(&led->spmi_dev->dev, |
| 2135 | "Number of duty pcts given exceeds max (%d)\n", |
| 2136 | max_duty_pcts); |
| 2137 | return -EINVAL; |
| 2138 | } |
| 2139 | |
| 2140 | previous_num_duty_pcts = pwm_cfg->duty_cycles->num_duty_pcts; |
| 2141 | previous_duty_pcts = pwm_cfg->duty_cycles->duty_pcts; |
| 2142 | |
| 2143 | pwm_cfg->duty_cycles->num_duty_pcts = num_duty_pcts; |
| 2144 | pwm_cfg->duty_cycles->duty_pcts = pwm_cfg->old_duty_pcts; |
| 2145 | pwm_cfg->old_duty_pcts = previous_duty_pcts; |
| 2146 | pwm_cfg->lut_params.idx_len = pwm_cfg->duty_cycles->num_duty_pcts; |
| 2147 | |
| 2148 | pwm_free(pwm_cfg->pwm_dev); |
| 2149 | ret = qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2150 | if (ret) |
| 2151 | goto restore; |
| 2152 | |
| 2153 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2154 | return count; |
| 2155 | |
| 2156 | restore: |
| 2157 | dev_err(&led->spmi_dev->dev, |
| 2158 | "Failed to initialize pwm with new duty pcts value\n"); |
| 2159 | pwm_cfg->duty_cycles->num_duty_pcts = previous_num_duty_pcts; |
| 2160 | pwm_cfg->old_duty_pcts = pwm_cfg->duty_cycles->duty_pcts; |
| 2161 | pwm_cfg->duty_cycles->duty_pcts = previous_duty_pcts; |
| 2162 | pwm_cfg->lut_params.idx_len = pwm_cfg->duty_cycles->num_duty_pcts; |
| 2163 | pwm_free(pwm_cfg->pwm_dev); |
| 2164 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2165 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
| 2166 | return ret; |
| 2167 | } |
| 2168 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2169 | static void led_blink(struct qpnp_led_data *led, |
| 2170 | struct pwm_config_data *pwm_cfg) |
| 2171 | { |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2172 | if (pwm_cfg->use_blink) { |
| 2173 | if (led->cdev.brightness) { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2174 | pwm_cfg->blinking = true; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2175 | if (led->id == QPNP_ID_LED_MPP) |
| 2176 | led->mpp_cfg->pwm_mode = LPG_MODE; |
| 2177 | pwm_cfg->mode = LPG_MODE; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2178 | } else { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2179 | pwm_cfg->blinking = false; |
| 2180 | pwm_cfg->mode = pwm_cfg->default_mode; |
| 2181 | if (led->id == QPNP_ID_LED_MPP) |
| 2182 | led->mpp_cfg->pwm_mode = pwm_cfg->default_mode; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2183 | } |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2184 | pwm_free(pwm_cfg->pwm_dev); |
| 2185 | qpnp_pwm_init(pwm_cfg, led->spmi_dev, led->cdev.name); |
| 2186 | qpnp_led_set(&led->cdev, led->cdev.brightness); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2187 | } |
| 2188 | } |
| 2189 | |
| 2190 | static ssize_t blink_store(struct device *dev, |
| 2191 | struct device_attribute *attr, |
| 2192 | const char *buf, size_t count) |
| 2193 | { |
| 2194 | struct qpnp_led_data *led; |
| 2195 | unsigned long blinking; |
| 2196 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
| 2197 | ssize_t ret = -EINVAL; |
| 2198 | |
| 2199 | ret = kstrtoul(buf, 10, &blinking); |
| 2200 | if (ret) |
| 2201 | return ret; |
| 2202 | led = container_of(led_cdev, struct qpnp_led_data, cdev); |
| 2203 | led->cdev.brightness = blinking ? led->cdev.max_brightness : 0; |
| 2204 | |
| 2205 | switch (led->id) { |
| 2206 | case QPNP_ID_LED_MPP: |
| 2207 | led_blink(led, led->mpp_cfg->pwm_cfg); |
| 2208 | break; |
| 2209 | case QPNP_ID_RGB_RED: |
| 2210 | case QPNP_ID_RGB_GREEN: |
| 2211 | case QPNP_ID_RGB_BLUE: |
| 2212 | led_blink(led, led->rgb_cfg->pwm_cfg); |
| 2213 | break; |
| 2214 | default: |
| 2215 | dev_err(&led->spmi_dev->dev, "Invalid LED id type for blink\n"); |
| 2216 | return -EINVAL; |
| 2217 | } |
| 2218 | return count; |
| 2219 | } |
| 2220 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 2221 | static DEVICE_ATTR(led_mode, 0664, NULL, led_mode_store); |
| 2222 | static DEVICE_ATTR(strobe, 0664, NULL, led_strobe_type_store); |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2223 | static DEVICE_ATTR(pwm_us, 0664, NULL, pwm_us_store); |
| 2224 | static DEVICE_ATTR(pause_lo, 0664, NULL, pause_lo_store); |
| 2225 | static DEVICE_ATTR(pause_hi, 0664, NULL, pause_hi_store); |
| 2226 | static DEVICE_ATTR(start_idx, 0664, NULL, start_idx_store); |
| 2227 | static DEVICE_ATTR(ramp_step_ms, 0664, NULL, ramp_step_ms_store); |
| 2228 | static DEVICE_ATTR(lut_flags, 0664, NULL, lut_flags_store); |
| 2229 | static DEVICE_ATTR(duty_pcts, 0664, NULL, duty_pcts_store); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2230 | static DEVICE_ATTR(blink, 0664, NULL, blink_store); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 2231 | |
| 2232 | static struct attribute *led_attrs[] = { |
| 2233 | &dev_attr_led_mode.attr, |
| 2234 | &dev_attr_strobe.attr, |
Amy Maloche | 12ad6f3 | 2013-04-02 14:39:24 -0700 | [diff] [blame] | 2235 | NULL |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 2236 | }; |
| 2237 | |
| 2238 | static const struct attribute_group led_attr_group = { |
| 2239 | .attrs = led_attrs, |
| 2240 | }; |
| 2241 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2242 | static struct attribute *pwm_attrs[] = { |
| 2243 | &dev_attr_pwm_us.attr, |
| 2244 | NULL |
| 2245 | }; |
| 2246 | |
| 2247 | static struct attribute *lpg_attrs[] = { |
| 2248 | &dev_attr_pause_lo.attr, |
| 2249 | &dev_attr_pause_hi.attr, |
| 2250 | &dev_attr_start_idx.attr, |
| 2251 | &dev_attr_ramp_step_ms.attr, |
| 2252 | &dev_attr_lut_flags.attr, |
| 2253 | &dev_attr_duty_pcts.attr, |
| 2254 | NULL |
| 2255 | }; |
| 2256 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2257 | static struct attribute *blink_attrs[] = { |
| 2258 | &dev_attr_blink.attr, |
| 2259 | NULL |
| 2260 | }; |
| 2261 | |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2262 | static const struct attribute_group pwm_attr_group = { |
| 2263 | .attrs = pwm_attrs, |
| 2264 | }; |
| 2265 | |
| 2266 | static const struct attribute_group lpg_attr_group = { |
| 2267 | .attrs = lpg_attrs, |
| 2268 | }; |
| 2269 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2270 | static const struct attribute_group blink_attr_group = { |
| 2271 | .attrs = blink_attrs, |
| 2272 | }; |
| 2273 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2274 | static int __devinit qpnp_flash_init(struct qpnp_led_data *led) |
| 2275 | { |
| 2276 | int rc; |
| 2277 | |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2278 | led->flash_cfg->flash_on = false; |
| 2279 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2280 | rc = qpnp_led_masked_write(led, |
| 2281 | FLASH_LED_STROBE_CTRL(led->base), |
| 2282 | FLASH_STROBE_MASK, FLASH_DISABLE_ALL); |
| 2283 | if (rc) { |
| 2284 | dev_err(&led->spmi_dev->dev, |
| 2285 | "LED %d flash write failed(%d)\n", led->id, rc); |
| 2286 | return rc; |
| 2287 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2288 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2289 | /* Disable flash LED module */ |
| 2290 | rc = qpnp_led_masked_write(led, FLASH_ENABLE_CONTROL(led->base), |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 2291 | FLASH_ENABLE_MASK, FLASH_DISABLE_ALL); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2292 | if (rc) { |
| 2293 | dev_err(&led->spmi_dev->dev, |
| 2294 | "Enable reg write failed(%d)\n", rc); |
| 2295 | return rc; |
| 2296 | } |
| 2297 | |
| 2298 | if (led->flash_cfg->torch_enable) |
| 2299 | return 0; |
| 2300 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2301 | /* Set headroom */ |
| 2302 | rc = qpnp_led_masked_write(led, FLASH_HEADROOM(led->base), |
| 2303 | FLASH_HEADROOM_MASK, led->flash_cfg->headroom); |
| 2304 | if (rc) { |
| 2305 | dev_err(&led->spmi_dev->dev, |
| 2306 | "Headroom reg write failed(%d)\n", rc); |
| 2307 | return rc; |
| 2308 | } |
| 2309 | |
Chun Zhang | e8954cf | 2013-05-02 11:14:34 -0700 | [diff] [blame] | 2310 | /* Set startup delay */ |
| 2311 | rc = qpnp_led_masked_write(led, |
| 2312 | FLASH_STARTUP_DELAY(led->base), FLASH_STARTUP_DLY_MASK, |
| 2313 | led->flash_cfg->startup_dly); |
| 2314 | if (rc) { |
| 2315 | dev_err(&led->spmi_dev->dev, |
| 2316 | "Startup delay reg write failed(%d)\n", rc); |
| 2317 | return rc; |
| 2318 | } |
| 2319 | |
| 2320 | /* Set timer control - safety or watchdog */ |
| 2321 | if (led->flash_cfg->safety_timer) { |
| 2322 | rc = qpnp_led_masked_write(led, |
| 2323 | FLASH_LED_TMR_CTRL(led->base), |
| 2324 | FLASH_TMR_MASK, FLASH_TMR_SAFETY); |
| 2325 | if (rc) { |
| 2326 | dev_err(&led->spmi_dev->dev, |
| 2327 | "LED timer ctrl reg write failed(%d)\n", |
| 2328 | rc); |
| 2329 | return rc; |
| 2330 | } |
| 2331 | } |
| 2332 | |
| 2333 | /* Set Vreg force */ |
| 2334 | rc = qpnp_led_masked_write(led, FLASH_VREG_OK_FORCE(led->base), |
| 2335 | FLASH_VREG_MASK, FLASH_HW_VREG_OK); |
| 2336 | if (rc) { |
| 2337 | dev_err(&led->spmi_dev->dev, |
| 2338 | "Vreg OK reg write failed(%d)\n", rc); |
| 2339 | return rc; |
| 2340 | } |
| 2341 | |
| 2342 | /* Set self fault check */ |
| 2343 | rc = qpnp_led_masked_write(led, FLASH_FAULT_DETECT(led->base), |
| 2344 | FLASH_FAULT_DETECT_MASK, FLASH_SELFCHECK_ENABLE); |
| 2345 | if (rc) { |
| 2346 | dev_err(&led->spmi_dev->dev, |
| 2347 | "Fault detect reg write failed(%d)\n", rc); |
| 2348 | return rc; |
| 2349 | } |
| 2350 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2351 | /* Set mask enable */ |
| 2352 | rc = qpnp_led_masked_write(led, FLASH_MASK_ENABLE(led->base), |
| 2353 | FLASH_MASK_REG_MASK, FLASH_MASK_1); |
| 2354 | if (rc) { |
| 2355 | dev_err(&led->spmi_dev->dev, |
| 2356 | "Mask enable reg write failed(%d)\n", rc); |
| 2357 | return rc; |
| 2358 | } |
| 2359 | |
Chun Zhang | 7ce3a9f | 2013-10-22 10:48:12 -0700 | [diff] [blame] | 2360 | /* Set current ramp */ |
| 2361 | rc = qpnp_led_masked_write(led, FLASH_CURRENT_RAMP(led->base), |
| 2362 | FLASH_CURRENT_RAMP_MASK, FLASH_RAMP_STEP_27US); |
| 2363 | if (rc) { |
| 2364 | dev_err(&led->spmi_dev->dev, |
| 2365 | "Current ramp reg write failed(%d)\n", rc); |
| 2366 | return rc; |
| 2367 | } |
| 2368 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 2369 | led->flash_cfg->strobe_type = 0; |
| 2370 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2371 | /* dump flash registers */ |
| 2372 | qpnp_dump_regs(led, flash_debug_regs, ARRAY_SIZE(flash_debug_regs)); |
| 2373 | |
| 2374 | return 0; |
| 2375 | } |
| 2376 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2377 | static int __devinit qpnp_kpdbl_init(struct qpnp_led_data *led) |
| 2378 | { |
| 2379 | int rc; |
| 2380 | u8 val; |
| 2381 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 2382 | /* select row source - vbst or vph */ |
| 2383 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2384 | KPDBL_ROW_SRC_SEL(led->base), &val, 1); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2385 | if (rc) { |
| 2386 | dev_err(&led->spmi_dev->dev, |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 2387 | "Unable to read from addr=%x, rc(%d)\n", |
| 2388 | KPDBL_ROW_SRC_SEL(led->base), rc); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2389 | return rc; |
| 2390 | } |
| 2391 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 2392 | if (led->kpdbl_cfg->row_src_vbst) |
| 2393 | val |= 1 << led->kpdbl_cfg->row_id; |
| 2394 | else |
| 2395 | val &= ~(1 << led->kpdbl_cfg->row_id); |
| 2396 | |
| 2397 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2398 | KPDBL_ROW_SRC_SEL(led->base), &val, 1); |
| 2399 | if (rc) { |
| 2400 | dev_err(&led->spmi_dev->dev, |
| 2401 | "Unable to read from addr=%x, rc(%d)\n", |
| 2402 | KPDBL_ROW_SRC_SEL(led->base), rc); |
| 2403 | return rc; |
| 2404 | } |
| 2405 | |
| 2406 | /* row source enable */ |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2407 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2408 | KPDBL_ROW_SRC(led->base), &val, 1); |
| 2409 | if (rc) { |
| 2410 | dev_err(&led->spmi_dev->dev, |
| 2411 | "Unable to read from addr=%x, rc(%d)\n", |
| 2412 | KPDBL_ROW_SRC(led->base), rc); |
| 2413 | return rc; |
| 2414 | } |
| 2415 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 2416 | if (led->kpdbl_cfg->row_src_en) |
| 2417 | val |= KPDBL_ROW_SCAN_EN_MASK | (1 << led->kpdbl_cfg->row_id); |
| 2418 | else |
| 2419 | val &= ~(1 << led->kpdbl_cfg->row_id); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2420 | |
| 2421 | rc = spmi_ext_register_writel(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2422 | KPDBL_ROW_SRC(led->base), &val, 1); |
| 2423 | if (rc) { |
| 2424 | dev_err(&led->spmi_dev->dev, |
| 2425 | "Unable to write to addr=%x, rc(%d)\n", |
| 2426 | KPDBL_ROW_SRC(led->base), rc); |
| 2427 | return rc; |
| 2428 | } |
| 2429 | |
| 2430 | /* enable module */ |
| 2431 | rc = qpnp_led_masked_write(led, KPDBL_ENABLE(led->base), |
| 2432 | KPDBL_MODULE_EN_MASK, KPDBL_MODULE_EN); |
| 2433 | if (rc) { |
| 2434 | dev_err(&led->spmi_dev->dev, |
| 2435 | "Enable module write failed(%d)\n", rc); |
| 2436 | return rc; |
| 2437 | } |
| 2438 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2439 | rc = qpnp_pwm_init(led->kpdbl_cfg->pwm_cfg, led->spmi_dev, |
| 2440 | led->cdev.name); |
| 2441 | if (rc) { |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2442 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2443 | "Failed to initialize pwm\n"); |
| 2444 | return rc; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2445 | } |
| 2446 | |
| 2447 | /* dump kpdbl registers */ |
| 2448 | qpnp_dump_regs(led, kpdbl_debug_regs, ARRAY_SIZE(kpdbl_debug_regs)); |
| 2449 | |
| 2450 | return 0; |
| 2451 | } |
| 2452 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2453 | static int __devinit qpnp_rgb_init(struct qpnp_led_data *led) |
| 2454 | { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2455 | int rc; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2456 | |
| 2457 | rc = qpnp_led_masked_write(led, RGB_LED_SRC_SEL(led->base), |
| 2458 | RGB_LED_SRC_MASK, RGB_LED_SOURCE_VPH_PWR); |
| 2459 | if (rc) { |
| 2460 | dev_err(&led->spmi_dev->dev, |
| 2461 | "Failed to write led source select register\n"); |
| 2462 | return rc; |
| 2463 | } |
| 2464 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2465 | rc = qpnp_pwm_init(led->rgb_cfg->pwm_cfg, led->spmi_dev, |
| 2466 | led->cdev.name); |
| 2467 | if (rc) { |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2468 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2469 | "Failed to initialize pwm\n"); |
| 2470 | return rc; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2471 | } |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2472 | /* Initialize led for use in auto trickle charging mode */ |
| 2473 | rc = qpnp_led_masked_write(led, RGB_LED_ATC_CTL(led->base), |
| 2474 | led->rgb_cfg->enable, led->rgb_cfg->enable); |
| 2475 | |
| 2476 | return 0; |
| 2477 | } |
| 2478 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2479 | static int __devinit qpnp_mpp_init(struct qpnp_led_data *led) |
| 2480 | { |
Abinaya P | 03cee1d | 2014-02-17 17:51:53 +0530 | [diff] [blame] | 2481 | int rc; |
| 2482 | u8 val; |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 2483 | |
| 2484 | if (led->max_current < LED_MPP_CURRENT_MIN || |
| 2485 | led->max_current > LED_MPP_CURRENT_MAX) { |
| 2486 | dev_err(&led->spmi_dev->dev, |
| 2487 | "max current for mpp is not valid\n"); |
| 2488 | return -EINVAL; |
| 2489 | } |
| 2490 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2491 | val = (led->mpp_cfg->current_setting / LED_MPP_CURRENT_PER_SETTING) - 1; |
| 2492 | |
| 2493 | if (val < 0) |
| 2494 | val = 0; |
| 2495 | |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 2496 | rc = qpnp_led_masked_write(led, LED_MPP_VIN_CTRL(led->base), |
| 2497 | LED_MPP_VIN_MASK, led->mpp_cfg->vin_ctrl); |
| 2498 | if (rc) { |
| 2499 | dev_err(&led->spmi_dev->dev, |
| 2500 | "Failed to write led vin control reg\n"); |
| 2501 | return rc; |
| 2502 | } |
| 2503 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2504 | rc = qpnp_led_masked_write(led, LED_MPP_SINK_CTRL(led->base), |
| 2505 | LED_MPP_SINK_MASK, val); |
| 2506 | if (rc) { |
| 2507 | dev_err(&led->spmi_dev->dev, |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 2508 | "Failed to write sink control reg\n"); |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2509 | return rc; |
| 2510 | } |
| 2511 | |
| 2512 | if (led->mpp_cfg->pwm_mode != MANUAL_MODE) { |
| 2513 | rc = qpnp_pwm_init(led->mpp_cfg->pwm_cfg, led->spmi_dev, |
| 2514 | led->cdev.name); |
| 2515 | if (rc) { |
| 2516 | dev_err(&led->spmi_dev->dev, |
| 2517 | "Failed to initialize pwm\n"); |
| 2518 | return rc; |
| 2519 | } |
| 2520 | } |
| 2521 | |
| 2522 | return 0; |
| 2523 | } |
| 2524 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2525 | static int __devinit qpnp_led_initialize(struct qpnp_led_data *led) |
| 2526 | { |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2527 | int rc = 0; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2528 | |
| 2529 | switch (led->id) { |
| 2530 | case QPNP_ID_WLED: |
| 2531 | rc = qpnp_wled_init(led); |
| 2532 | if (rc) |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 2533 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2534 | "WLED initialize failed(%d)\n", rc); |
| 2535 | break; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2536 | case QPNP_ID_FLASH1_LED0: |
| 2537 | case QPNP_ID_FLASH1_LED1: |
| 2538 | rc = qpnp_flash_init(led); |
| 2539 | if (rc) |
| 2540 | dev_err(&led->spmi_dev->dev, |
| 2541 | "FLASH initialize failed(%d)\n", rc); |
| 2542 | break; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2543 | case QPNP_ID_RGB_RED: |
| 2544 | case QPNP_ID_RGB_GREEN: |
| 2545 | case QPNP_ID_RGB_BLUE: |
| 2546 | rc = qpnp_rgb_init(led); |
| 2547 | if (rc) |
| 2548 | dev_err(&led->spmi_dev->dev, |
| 2549 | "RGB initialize failed(%d)\n", rc); |
| 2550 | break; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 2551 | case QPNP_ID_LED_MPP: |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2552 | rc = qpnp_mpp_init(led); |
| 2553 | if (rc) |
| 2554 | dev_err(&led->spmi_dev->dev, |
| 2555 | "MPP initialize failed(%d)\n", rc); |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 2556 | break; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2557 | case QPNP_ID_KPDBL: |
| 2558 | rc = qpnp_kpdbl_init(led); |
| 2559 | if (rc) |
| 2560 | dev_err(&led->spmi_dev->dev, |
| 2561 | "KPDBL initialize failed(%d)\n", rc); |
| 2562 | break; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2563 | default: |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 2564 | dev_err(&led->spmi_dev->dev, "Invalid LED(%d)\n", led->id); |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 2565 | return -EINVAL; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2566 | } |
| 2567 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2568 | return rc; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2569 | } |
| 2570 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 2571 | static int __devinit qpnp_get_common_configs(struct qpnp_led_data *led, |
| 2572 | struct device_node *node) |
| 2573 | { |
| 2574 | int rc; |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 2575 | u32 val; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 2576 | const char *temp_string; |
| 2577 | |
| 2578 | led->cdev.default_trigger = LED_TRIGGER_DEFAULT; |
| 2579 | rc = of_property_read_string(node, "linux,default-trigger", |
| 2580 | &temp_string); |
| 2581 | if (!rc) |
| 2582 | led->cdev.default_trigger = temp_string; |
| 2583 | else if (rc != -EINVAL) |
| 2584 | return rc; |
| 2585 | |
| 2586 | led->default_on = false; |
| 2587 | rc = of_property_read_string(node, "qcom,default-state", |
| 2588 | &temp_string); |
| 2589 | if (!rc) { |
| 2590 | if (strncmp(temp_string, "on", sizeof("on")) == 0) |
| 2591 | led->default_on = true; |
| 2592 | } else if (rc != -EINVAL) |
| 2593 | return rc; |
| 2594 | |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 2595 | led->turn_off_delay_ms = 0; |
| 2596 | rc = of_property_read_u32(node, "qcom,turn-off-delay-ms", &val); |
| 2597 | if (!rc) |
| 2598 | led->turn_off_delay_ms = val; |
| 2599 | else if (rc != -EINVAL) |
| 2600 | return rc; |
| 2601 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 2602 | return 0; |
| 2603 | } |
| 2604 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2605 | /* |
| 2606 | * Handlers for alternative sources of platform_data |
| 2607 | */ |
| 2608 | static int __devinit qpnp_get_config_wled(struct qpnp_led_data *led, |
| 2609 | struct device_node *node) |
| 2610 | { |
| 2611 | u32 val; |
| 2612 | int rc; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2613 | |
| 2614 | led->wled_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 2615 | sizeof(struct wled_config_data), GFP_KERNEL); |
| 2616 | if (!led->wled_cfg) { |
| 2617 | dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n"); |
| 2618 | return -ENOMEM; |
| 2619 | } |
| 2620 | |
Amy Maloche | 0150b5e | 2013-08-15 18:18:32 -0700 | [diff] [blame] | 2621 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2622 | PMIC_VERSION_REG, &led->wled_cfg->pmic_version, 1); |
| 2623 | if (rc) { |
| 2624 | dev_err(&led->spmi_dev->dev, |
| 2625 | "Unable to read pmic ver, rc(%d)\n", rc); |
| 2626 | } |
| 2627 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2628 | led->wled_cfg->num_strings = WLED_DEFAULT_STRINGS; |
| 2629 | rc = of_property_read_u32(node, "qcom,num-strings", &val); |
| 2630 | if (!rc) |
| 2631 | led->wled_cfg->num_strings = (u8) val; |
| 2632 | else if (rc != -EINVAL) |
| 2633 | return rc; |
| 2634 | |
| 2635 | led->wled_cfg->ovp_val = WLED_DEFAULT_OVP_VAL; |
| 2636 | rc = of_property_read_u32(node, "qcom,ovp-val", &val); |
| 2637 | if (!rc) |
| 2638 | led->wled_cfg->ovp_val = (u8) val; |
| 2639 | else if (rc != -EINVAL) |
| 2640 | return rc; |
| 2641 | |
| 2642 | led->wled_cfg->boost_curr_lim = WLED_BOOST_LIM_DEFAULT; |
| 2643 | rc = of_property_read_u32(node, "qcom,boost-curr-lim", &val); |
| 2644 | if (!rc) |
| 2645 | led->wled_cfg->boost_curr_lim = (u8) val; |
| 2646 | else if (rc != -EINVAL) |
| 2647 | return rc; |
| 2648 | |
| 2649 | led->wled_cfg->cp_select = WLED_CP_SEL_DEFAULT; |
| 2650 | rc = of_property_read_u32(node, "qcom,cp-sel", &val); |
| 2651 | if (!rc) |
| 2652 | led->wled_cfg->cp_select = (u8) val; |
| 2653 | else if (rc != -EINVAL) |
| 2654 | return rc; |
| 2655 | |
| 2656 | led->wled_cfg->ctrl_delay_us = WLED_CTRL_DLY_DEFAULT; |
| 2657 | rc = of_property_read_u32(node, "qcom,ctrl-delay-us", &val); |
| 2658 | if (!rc) |
| 2659 | led->wled_cfg->ctrl_delay_us = (u8) val; |
| 2660 | else if (rc != -EINVAL) |
| 2661 | return rc; |
| 2662 | |
Amy Maloche | bd68767 | 2013-03-18 11:23:45 -0700 | [diff] [blame] | 2663 | led->wled_cfg->op_fdbck = WLED_OP_FDBCK_DEFAULT; |
| 2664 | rc = of_property_read_u32(node, "qcom,op-fdbck", &val); |
| 2665 | if (!rc) |
| 2666 | led->wled_cfg->op_fdbck = (u8) val; |
| 2667 | else if (rc != -EINVAL) |
| 2668 | return rc; |
| 2669 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2670 | led->wled_cfg->switch_freq = WLED_SWITCH_FREQ_DEFAULT; |
| 2671 | rc = of_property_read_u32(node, "qcom,switch-freq", &val); |
| 2672 | if (!rc) |
| 2673 | led->wled_cfg->switch_freq = (u8) val; |
| 2674 | else if (rc != -EINVAL) |
| 2675 | return rc; |
| 2676 | |
| 2677 | led->wled_cfg->dig_mod_gen_en = |
| 2678 | of_property_read_bool(node, "qcom,dig-mod-gen-en"); |
| 2679 | |
| 2680 | led->wled_cfg->cs_out_en = |
| 2681 | of_property_read_bool(node, "qcom,cs-out-en"); |
| 2682 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 2683 | return 0; |
| 2684 | } |
| 2685 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2686 | static int __devinit qpnp_get_config_flash(struct qpnp_led_data *led, |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2687 | struct device_node *node, bool *reg_set) |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2688 | { |
| 2689 | int rc; |
| 2690 | u32 val; |
| 2691 | |
| 2692 | led->flash_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 2693 | sizeof(struct flash_config_data), GFP_KERNEL); |
| 2694 | if (!led->flash_cfg) { |
| 2695 | dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n"); |
| 2696 | return -ENOMEM; |
| 2697 | } |
| 2698 | |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 2699 | rc = spmi_ext_register_readl(led->spmi_dev->ctrl, led->spmi_dev->sid, |
| 2700 | FLASH_PERIPHERAL_SUBTYPE(led->base), |
| 2701 | &led->flash_cfg->peripheral_subtype, 1); |
| 2702 | if (rc) { |
| 2703 | dev_err(&led->spmi_dev->dev, |
| 2704 | "Unable to read from addr=%x, rc(%d)\n", |
| 2705 | FLASH_PERIPHERAL_SUBTYPE(led->base), rc); |
| 2706 | } |
| 2707 | |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2708 | led->flash_cfg->torch_enable = |
| 2709 | of_property_read_bool(node, "qcom,torch-enable"); |
| 2710 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2711 | if (led->id == QPNP_ID_FLASH1_LED0) { |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2712 | led->flash_cfg->enable_module = FLASH_ENABLE_LED_0; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2713 | led->flash_cfg->current_addr = FLASH_LED_0_CURR(led->base); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2714 | led->flash_cfg->trigger_flash = FLASH_LED_0_OUTPUT; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2715 | if (!*reg_set) { |
| 2716 | led->flash_cfg->flash_boost_reg = |
| 2717 | regulator_get(&led->spmi_dev->dev, |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 2718 | "flash-boost"); |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2719 | if (IS_ERR(led->flash_cfg->flash_boost_reg)) { |
| 2720 | rc = PTR_ERR(led->flash_cfg->flash_boost_reg); |
| 2721 | dev_err(&led->spmi_dev->dev, |
| 2722 | "Regulator get failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2723 | goto error_get_flash_reg; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2724 | } |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 2725 | led->flash_cfg->flash_reg_get = true; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2726 | *reg_set = true; |
| 2727 | } else |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 2728 | led->flash_cfg->flash_reg_get = false; |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2729 | |
| 2730 | if (led->flash_cfg->torch_enable) { |
| 2731 | led->flash_cfg->second_addr = |
| 2732 | FLASH_LED_1_CURR(led->base); |
| 2733 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2734 | } else if (led->id == QPNP_ID_FLASH1_LED1) { |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2735 | led->flash_cfg->enable_module = FLASH_ENABLE_LED_1; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2736 | led->flash_cfg->current_addr = FLASH_LED_1_CURR(led->base); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2737 | led->flash_cfg->trigger_flash = FLASH_LED_1_OUTPUT; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2738 | if (!*reg_set) { |
| 2739 | led->flash_cfg->flash_boost_reg = |
| 2740 | regulator_get(&led->spmi_dev->dev, |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 2741 | "flash-boost"); |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2742 | if (IS_ERR(led->flash_cfg->flash_boost_reg)) { |
| 2743 | rc = PTR_ERR(led->flash_cfg->flash_boost_reg); |
| 2744 | dev_err(&led->spmi_dev->dev, |
| 2745 | "Regulator get failed(%d)\n", rc); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2746 | goto error_get_flash_reg; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2747 | } |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 2748 | led->flash_cfg->flash_reg_get = true; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 2749 | *reg_set = true; |
| 2750 | } else |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 2751 | led->flash_cfg->flash_reg_get = false; |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2752 | |
| 2753 | if (led->flash_cfg->torch_enable) { |
| 2754 | led->flash_cfg->second_addr = |
| 2755 | FLASH_LED_0_CURR(led->base); |
| 2756 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2757 | } else { |
| 2758 | dev_err(&led->spmi_dev->dev, "Unknown flash LED name given\n"); |
| 2759 | return -EINVAL; |
| 2760 | } |
| 2761 | |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2762 | if (led->flash_cfg->torch_enable) { |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 2763 | if (of_find_property(of_get_parent(node), "torch-boost-supply", |
| 2764 | NULL)) { |
| 2765 | led->flash_cfg->torch_boost_reg = |
| 2766 | regulator_get(&led->spmi_dev->dev, |
| 2767 | "torch-boost"); |
| 2768 | if (IS_ERR(led->flash_cfg->torch_boost_reg)) { |
| 2769 | rc = PTR_ERR(led->flash_cfg->torch_boost_reg); |
| 2770 | dev_err(&led->spmi_dev->dev, |
| 2771 | "Torch regulator get failed(%d)\n", rc); |
| 2772 | goto error_get_torch_reg; |
| 2773 | } |
Chun Zhang | 9d5ff67 | 2013-08-01 18:18:26 -0700 | [diff] [blame] | 2774 | led->flash_cfg->enable_module = FLASH_ENABLE_MODULE; |
| 2775 | } else |
| 2776 | led->flash_cfg->enable_module = FLASH_ENABLE_ALL; |
Abinaya P | b6e3ba4 | 2014-01-07 15:32:31 +0530 | [diff] [blame] | 2777 | led->flash_cfg->trigger_flash = FLASH_TORCH_OUTPUT; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2778 | } |
| 2779 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2780 | rc = of_property_read_u32(node, "qcom,current", &val); |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 2781 | if (!rc) { |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2782 | if (led->flash_cfg->torch_enable) { |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 2783 | led->flash_cfg->current_prgm = (val * |
| 2784 | TORCH_MAX_LEVEL / led->max_current); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2785 | return 0; |
| 2786 | } |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 2787 | else |
| 2788 | led->flash_cfg->current_prgm = (val * |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2789 | FLASH_MAX_LEVEL / led->max_current); |
Chun Zhang | 9c1fbaa | 2013-06-17 15:31:18 -0700 | [diff] [blame] | 2790 | } else |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2791 | if (led->flash_cfg->torch_enable) |
| 2792 | goto error_get_torch_reg; |
| 2793 | else |
| 2794 | goto error_get_flash_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2795 | |
| 2796 | rc = of_property_read_u32(node, "qcom,headroom", &val); |
| 2797 | if (!rc) |
| 2798 | led->flash_cfg->headroom = (u8) val; |
| 2799 | else if (rc == -EINVAL) |
Amy Maloche | 62571b2 | 2013-04-17 17:23:10 -0700 | [diff] [blame] | 2800 | led->flash_cfg->headroom = HEADROOM_500mV; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2801 | else |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2802 | goto error_get_flash_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2803 | |
| 2804 | rc = of_property_read_u32(node, "qcom,duration", &val); |
| 2805 | if (!rc) |
Abinaya P | 41bb8bc | 2013-12-06 22:55:37 +0530 | [diff] [blame] | 2806 | led->flash_cfg->duration = (u8)((val - 10) / 10); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2807 | else if (rc == -EINVAL) |
| 2808 | led->flash_cfg->duration = FLASH_DURATION_200ms; |
| 2809 | else |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2810 | goto error_get_flash_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2811 | |
| 2812 | rc = of_property_read_u32(node, "qcom,clamp-curr", &val); |
| 2813 | if (!rc) |
| 2814 | led->flash_cfg->clamp_curr = (val * |
| 2815 | FLASH_MAX_LEVEL / led->max_current); |
| 2816 | else if (rc == -EINVAL) |
| 2817 | led->flash_cfg->clamp_curr = FLASH_CLAMP_200mA; |
| 2818 | else |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2819 | goto error_get_flash_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2820 | |
| 2821 | rc = of_property_read_u32(node, "qcom,startup-dly", &val); |
| 2822 | if (!rc) |
| 2823 | led->flash_cfg->startup_dly = (u8) val; |
| 2824 | else if (rc == -EINVAL) |
Amy Maloche | 62571b2 | 2013-04-17 17:23:10 -0700 | [diff] [blame] | 2825 | led->flash_cfg->startup_dly = DELAY_128us; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2826 | else |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2827 | goto error_get_flash_reg; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2828 | |
| 2829 | led->flash_cfg->safety_timer = |
| 2830 | of_property_read_bool(node, "qcom,safety-timer"); |
| 2831 | |
| 2832 | return 0; |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 2833 | |
| 2834 | error_get_torch_reg: |
| 2835 | regulator_put(led->flash_cfg->torch_boost_reg); |
| 2836 | |
| 2837 | error_get_flash_reg: |
| 2838 | regulator_put(led->flash_cfg->flash_boost_reg); |
| 2839 | return rc; |
| 2840 | |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 2841 | } |
| 2842 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2843 | static int __devinit qpnp_get_config_pwm(struct pwm_config_data *pwm_cfg, |
| 2844 | struct spmi_device *spmi_dev, |
| 2845 | struct device_node *node) |
| 2846 | { |
| 2847 | struct property *prop; |
| 2848 | int rc, i; |
| 2849 | u32 val; |
| 2850 | u8 *temp_cfg; |
| 2851 | |
| 2852 | rc = of_property_read_u32(node, "qcom,pwm-channel", &val); |
| 2853 | if (!rc) |
| 2854 | pwm_cfg->pwm_channel = val; |
| 2855 | else |
| 2856 | return rc; |
| 2857 | |
| 2858 | if (pwm_cfg->mode == PWM_MODE) { |
| 2859 | rc = of_property_read_u32(node, "qcom,pwm-us", &val); |
| 2860 | if (!rc) |
| 2861 | pwm_cfg->pwm_period_us = val; |
| 2862 | else |
| 2863 | return rc; |
| 2864 | } |
| 2865 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2866 | pwm_cfg->use_blink = |
| 2867 | of_property_read_bool(node, "qcom,use-blink"); |
| 2868 | |
| 2869 | if (pwm_cfg->mode == LPG_MODE || pwm_cfg->use_blink) { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2870 | pwm_cfg->duty_cycles = |
| 2871 | devm_kzalloc(&spmi_dev->dev, |
| 2872 | sizeof(struct pwm_duty_cycles), GFP_KERNEL); |
| 2873 | if (!pwm_cfg->duty_cycles) { |
| 2874 | dev_err(&spmi_dev->dev, |
| 2875 | "Unable to allocate memory\n"); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2876 | rc = -ENOMEM; |
| 2877 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2878 | } |
| 2879 | |
| 2880 | prop = of_find_property(node, "qcom,duty-pcts", |
| 2881 | &pwm_cfg->duty_cycles->num_duty_pcts); |
| 2882 | if (!prop) { |
| 2883 | dev_err(&spmi_dev->dev, "Looking up property " \ |
| 2884 | "node qcom,duty-pcts failed\n"); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2885 | rc = -ENODEV; |
| 2886 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2887 | } else if (!pwm_cfg->duty_cycles->num_duty_pcts) { |
| 2888 | dev_err(&spmi_dev->dev, "Invalid length of " \ |
| 2889 | "duty pcts\n"); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2890 | rc = -EINVAL; |
| 2891 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2892 | } |
| 2893 | |
| 2894 | pwm_cfg->duty_cycles->duty_pcts = |
| 2895 | devm_kzalloc(&spmi_dev->dev, |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2896 | sizeof(int) * PWM_LUT_MAX_SIZE, |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2897 | GFP_KERNEL); |
| 2898 | if (!pwm_cfg->duty_cycles->duty_pcts) { |
| 2899 | dev_err(&spmi_dev->dev, |
| 2900 | "Unable to allocate memory\n"); |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 2901 | rc = -ENOMEM; |
| 2902 | goto bad_lpg_params; |
| 2903 | } |
| 2904 | |
| 2905 | pwm_cfg->old_duty_pcts = |
| 2906 | devm_kzalloc(&spmi_dev->dev, |
| 2907 | sizeof(int) * PWM_LUT_MAX_SIZE, |
| 2908 | GFP_KERNEL); |
| 2909 | if (!pwm_cfg->old_duty_pcts) { |
| 2910 | dev_err(&spmi_dev->dev, |
| 2911 | "Unable to allocate memory\n"); |
| 2912 | rc = -ENOMEM; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2913 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2914 | } |
| 2915 | |
| 2916 | temp_cfg = devm_kzalloc(&spmi_dev->dev, |
| 2917 | pwm_cfg->duty_cycles->num_duty_pcts * |
| 2918 | sizeof(u8), GFP_KERNEL); |
| 2919 | if (!temp_cfg) { |
| 2920 | dev_err(&spmi_dev->dev, "Failed to allocate " \ |
| 2921 | "memory for duty pcts\n"); |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2922 | rc = -ENOMEM; |
| 2923 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2924 | } |
| 2925 | |
| 2926 | memcpy(temp_cfg, prop->value, |
| 2927 | pwm_cfg->duty_cycles->num_duty_pcts); |
| 2928 | |
| 2929 | for (i = 0; i < pwm_cfg->duty_cycles->num_duty_pcts; i++) |
| 2930 | pwm_cfg->duty_cycles->duty_pcts[i] = |
| 2931 | (int) temp_cfg[i]; |
| 2932 | |
| 2933 | rc = of_property_read_u32(node, "qcom,start-idx", &val); |
| 2934 | if (!rc) { |
| 2935 | pwm_cfg->lut_params.start_idx = val; |
| 2936 | pwm_cfg->duty_cycles->start_idx = val; |
| 2937 | } else |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2938 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2939 | |
| 2940 | pwm_cfg->lut_params.lut_pause_hi = 0; |
| 2941 | rc = of_property_read_u32(node, "qcom,pause-hi", &val); |
| 2942 | if (!rc) |
| 2943 | pwm_cfg->lut_params.lut_pause_hi = val; |
| 2944 | else if (rc != -EINVAL) |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2945 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2946 | |
| 2947 | pwm_cfg->lut_params.lut_pause_lo = 0; |
| 2948 | rc = of_property_read_u32(node, "qcom,pause-lo", &val); |
| 2949 | if (!rc) |
| 2950 | pwm_cfg->lut_params.lut_pause_lo = val; |
| 2951 | else if (rc != -EINVAL) |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2952 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2953 | |
| 2954 | pwm_cfg->lut_params.ramp_step_ms = |
| 2955 | QPNP_LUT_RAMP_STEP_DEFAULT; |
| 2956 | rc = of_property_read_u32(node, "qcom,ramp-step-ms", &val); |
| 2957 | if (!rc) |
| 2958 | pwm_cfg->lut_params.ramp_step_ms = val; |
| 2959 | else if (rc != -EINVAL) |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2960 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2961 | |
| 2962 | pwm_cfg->lut_params.flags = QPNP_LED_PWM_FLAGS; |
| 2963 | rc = of_property_read_u32(node, "qcom,lut-flags", &val); |
| 2964 | if (!rc) |
| 2965 | pwm_cfg->lut_params.flags = (u8) val; |
| 2966 | else if (rc != -EINVAL) |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2967 | goto bad_lpg_params; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2968 | |
| 2969 | pwm_cfg->lut_params.idx_len = |
| 2970 | pwm_cfg->duty_cycles->num_duty_pcts; |
| 2971 | } |
| 2972 | return 0; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 2973 | |
| 2974 | bad_lpg_params: |
| 2975 | pwm_cfg->use_blink = false; |
| 2976 | if (pwm_cfg->mode == PWM_MODE) { |
| 2977 | dev_err(&spmi_dev->dev, "LPG parameters not set for" \ |
| 2978 | " blink mode, defaulting to PWM mode\n"); |
| 2979 | return 0; |
| 2980 | } |
| 2981 | return rc; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 2982 | }; |
| 2983 | |
| 2984 | static int qpnp_led_get_mode(const char *mode) |
| 2985 | { |
| 2986 | if (strncmp(mode, "manual", strlen(mode)) == 0) |
| 2987 | return MANUAL_MODE; |
| 2988 | else if (strncmp(mode, "pwm", strlen(mode)) == 0) |
| 2989 | return PWM_MODE; |
| 2990 | else if (strncmp(mode, "lpg", strlen(mode)) == 0) |
| 2991 | return LPG_MODE; |
| 2992 | else |
| 2993 | return -EINVAL; |
| 2994 | }; |
| 2995 | |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 2996 | static int __devinit qpnp_get_config_kpdbl(struct qpnp_led_data *led, |
| 2997 | struct device_node *node) |
| 2998 | { |
| 2999 | int rc; |
| 3000 | u32 val; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3001 | u8 led_mode; |
| 3002 | const char *mode; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3003 | |
| 3004 | led->kpdbl_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3005 | sizeof(struct kpdbl_config_data), GFP_KERNEL); |
| 3006 | if (!led->kpdbl_cfg) { |
| 3007 | dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n"); |
| 3008 | return -ENOMEM; |
| 3009 | } |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3010 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3011 | rc = of_property_read_string(node, "qcom,mode", &mode); |
| 3012 | if (!rc) { |
| 3013 | led_mode = qpnp_led_get_mode(mode); |
| 3014 | if ((led_mode == MANUAL_MODE) || (led_mode == -EINVAL)) { |
| 3015 | dev_err(&led->spmi_dev->dev, "Selected mode not " \ |
| 3016 | "supported for kpdbl.\n"); |
| 3017 | return -EINVAL; |
| 3018 | } |
| 3019 | led->kpdbl_cfg->pwm_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3020 | sizeof(struct pwm_config_data), |
| 3021 | GFP_KERNEL); |
| 3022 | if (!led->kpdbl_cfg->pwm_cfg) { |
| 3023 | dev_err(&led->spmi_dev->dev, |
| 3024 | "Unable to allocate memory\n"); |
| 3025 | return -ENOMEM; |
| 3026 | } |
| 3027 | led->kpdbl_cfg->pwm_cfg->mode = led_mode; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3028 | led->kpdbl_cfg->pwm_cfg->default_mode = led_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3029 | } else |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3030 | return rc; |
| 3031 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3032 | rc = qpnp_get_config_pwm(led->kpdbl_cfg->pwm_cfg, led->spmi_dev, node); |
| 3033 | if (rc < 0) |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3034 | return rc; |
| 3035 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3036 | rc = of_property_read_u32(node, "qcom,row-id", &val); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3037 | if (!rc) |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3038 | led->kpdbl_cfg->row_id = val; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3039 | else |
| 3040 | return rc; |
| 3041 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3042 | led->kpdbl_cfg->row_src_vbst = |
| 3043 | of_property_read_bool(node, "qcom,row-src-vbst"); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3044 | |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3045 | led->kpdbl_cfg->row_src_en = |
| 3046 | of_property_read_bool(node, "qcom,row-src-en"); |
| 3047 | |
| 3048 | led->kpdbl_cfg->always_on = |
| 3049 | of_property_read_bool(node, "qcom,always-on"); |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3050 | |
| 3051 | return 0; |
| 3052 | } |
| 3053 | |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3054 | static int __devinit qpnp_get_config_rgb(struct qpnp_led_data *led, |
| 3055 | struct device_node *node) |
| 3056 | { |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3057 | int rc; |
| 3058 | u8 led_mode; |
| 3059 | const char *mode; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3060 | |
| 3061 | led->rgb_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3062 | sizeof(struct rgb_config_data), GFP_KERNEL); |
| 3063 | if (!led->rgb_cfg) { |
| 3064 | dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n"); |
| 3065 | return -ENOMEM; |
| 3066 | } |
| 3067 | |
| 3068 | if (led->id == QPNP_ID_RGB_RED) |
| 3069 | led->rgb_cfg->enable = RGB_LED_ENABLE_RED; |
| 3070 | else if (led->id == QPNP_ID_RGB_GREEN) |
| 3071 | led->rgb_cfg->enable = RGB_LED_ENABLE_GREEN; |
| 3072 | else if (led->id == QPNP_ID_RGB_BLUE) |
| 3073 | led->rgb_cfg->enable = RGB_LED_ENABLE_BLUE; |
| 3074 | else |
| 3075 | return -EINVAL; |
| 3076 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3077 | rc = of_property_read_string(node, "qcom,mode", &mode); |
| 3078 | if (!rc) { |
| 3079 | led_mode = qpnp_led_get_mode(mode); |
| 3080 | if ((led_mode == MANUAL_MODE) || (led_mode == -EINVAL)) { |
| 3081 | dev_err(&led->spmi_dev->dev, "Selected mode not " \ |
| 3082 | "supported for rgb.\n"); |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3083 | return -EINVAL; |
| 3084 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3085 | led->rgb_cfg->pwm_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3086 | sizeof(struct pwm_config_data), |
| 3087 | GFP_KERNEL); |
| 3088 | if (!led->rgb_cfg->pwm_cfg) { |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3089 | dev_err(&led->spmi_dev->dev, |
| 3090 | "Unable to allocate memory\n"); |
| 3091 | return -ENOMEM; |
| 3092 | } |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3093 | led->rgb_cfg->pwm_cfg->mode = led_mode; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3094 | led->rgb_cfg->pwm_cfg->default_mode = led_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3095 | } else |
| 3096 | return rc; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3097 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3098 | rc = qpnp_get_config_pwm(led->rgb_cfg->pwm_cfg, led->spmi_dev, node); |
| 3099 | if (rc < 0) |
| 3100 | return rc; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3101 | |
| 3102 | return 0; |
| 3103 | } |
| 3104 | |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3105 | static int __devinit qpnp_get_config_mpp(struct qpnp_led_data *led, |
| 3106 | struct device_node *node) |
| 3107 | { |
| 3108 | int rc; |
| 3109 | u32 val; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3110 | u8 led_mode; |
| 3111 | const char *mode; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3112 | |
| 3113 | led->mpp_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3114 | sizeof(struct mpp_config_data), GFP_KERNEL); |
| 3115 | if (!led->mpp_cfg) { |
| 3116 | dev_err(&led->spmi_dev->dev, "Unable to allocate memory\n"); |
| 3117 | return -ENOMEM; |
| 3118 | } |
| 3119 | |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 3120 | led->mpp_cfg->current_setting = LED_MPP_CURRENT_MIN; |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3121 | rc = of_property_read_u32(node, "qcom,current-setting", &val); |
Mohan Pallaka | 38ec7f3 | 2013-09-11 13:01:48 +0530 | [diff] [blame] | 3122 | if (!rc) { |
| 3123 | if (led->mpp_cfg->current_setting < LED_MPP_CURRENT_MIN) |
| 3124 | led->mpp_cfg->current_setting = LED_MPP_CURRENT_MIN; |
| 3125 | else if (led->mpp_cfg->current_setting > LED_MPP_CURRENT_MAX) |
| 3126 | led->mpp_cfg->current_setting = LED_MPP_CURRENT_MAX; |
| 3127 | else |
| 3128 | led->mpp_cfg->current_setting = (u8) val; |
| 3129 | } else if (rc != -EINVAL) |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3130 | return rc; |
| 3131 | |
| 3132 | led->mpp_cfg->source_sel = LED_MPP_SOURCE_SEL_DEFAULT; |
| 3133 | rc = of_property_read_u32(node, "qcom,source-sel", &val); |
| 3134 | if (!rc) |
| 3135 | led->mpp_cfg->source_sel = (u8) val; |
| 3136 | else if (rc != -EINVAL) |
| 3137 | return rc; |
| 3138 | |
| 3139 | led->mpp_cfg->mode_ctrl = LED_MPP_MODE_SINK; |
| 3140 | rc = of_property_read_u32(node, "qcom,mode-ctrl", &val); |
| 3141 | if (!rc) |
| 3142 | led->mpp_cfg->mode_ctrl = (u8) val; |
| 3143 | else if (rc != -EINVAL) |
| 3144 | return rc; |
| 3145 | |
Chun Zhang | 874c9ab | 2013-07-08 17:18:34 -0700 | [diff] [blame] | 3146 | led->mpp_cfg->vin_ctrl = LED_MPP_VIN_CTRL_DEFAULT; |
| 3147 | rc = of_property_read_u32(node, "qcom,vin-ctrl", &val); |
| 3148 | if (!rc) |
| 3149 | led->mpp_cfg->vin_ctrl = (u8) val; |
| 3150 | else if (rc != -EINVAL) |
| 3151 | return rc; |
| 3152 | |
| 3153 | led->mpp_cfg->min_brightness = 0; |
| 3154 | rc = of_property_read_u32(node, "qcom,min-brightness", &val); |
| 3155 | if (!rc) |
| 3156 | led->mpp_cfg->min_brightness = (u8) val; |
| 3157 | else if (rc != -EINVAL) |
| 3158 | return rc; |
| 3159 | |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3160 | rc = of_property_read_string(node, "qcom,mode", &mode); |
| 3161 | if (!rc) { |
| 3162 | led_mode = qpnp_led_get_mode(mode); |
| 3163 | led->mpp_cfg->pwm_mode = led_mode; |
| 3164 | if (led_mode == MANUAL_MODE) |
| 3165 | return MANUAL_MODE; |
| 3166 | else if (led_mode == -EINVAL) { |
| 3167 | dev_err(&led->spmi_dev->dev, "Selected mode not " \ |
| 3168 | "supported for mpp.\n"); |
| 3169 | return -EINVAL; |
| 3170 | } |
| 3171 | led->mpp_cfg->pwm_cfg = devm_kzalloc(&led->spmi_dev->dev, |
| 3172 | sizeof(struct pwm_config_data), |
| 3173 | GFP_KERNEL); |
| 3174 | if (!led->mpp_cfg->pwm_cfg) { |
| 3175 | dev_err(&led->spmi_dev->dev, |
| 3176 | "Unable to allocate memory\n"); |
| 3177 | return -ENOMEM; |
| 3178 | } |
| 3179 | led->mpp_cfg->pwm_cfg->mode = led_mode; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3180 | led->mpp_cfg->pwm_cfg->default_mode = led_mode; |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3181 | } else |
| 3182 | return rc; |
| 3183 | |
| 3184 | rc = qpnp_get_config_pwm(led->mpp_cfg->pwm_cfg, led->spmi_dev, node); |
| 3185 | if (rc < 0) |
| 3186 | return rc; |
| 3187 | |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3188 | return 0; |
| 3189 | } |
| 3190 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3191 | static int __devinit qpnp_leds_probe(struct spmi_device *spmi) |
| 3192 | { |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3193 | struct qpnp_led_data *led, *led_array; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3194 | struct resource *led_resource; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3195 | struct device_node *node, *temp; |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3196 | int rc, i, num_leds = 0, parsed_leds = 0; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3197 | const char *led_label; |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 3198 | bool regulator_probe = false; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3199 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3200 | node = spmi->dev.of_node; |
| 3201 | if (node == NULL) |
| 3202 | return -ENODEV; |
| 3203 | |
| 3204 | temp = NULL; |
| 3205 | while ((temp = of_get_next_child(node, temp))) |
| 3206 | num_leds++; |
| 3207 | |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3208 | if (!num_leds) |
| 3209 | return -ECHILD; |
| 3210 | |
| 3211 | led_array = devm_kzalloc(&spmi->dev, |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3212 | (sizeof(struct qpnp_led_data) * num_leds), GFP_KERNEL); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3213 | if (!led_array) { |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3214 | dev_err(&spmi->dev, "Unable to allocate memory\n"); |
| 3215 | return -ENOMEM; |
| 3216 | } |
| 3217 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3218 | for_each_child_of_node(node, temp) { |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3219 | led = &led_array[parsed_leds]; |
| 3220 | led->num_leds = num_leds; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3221 | led->spmi_dev = spmi; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3222 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3223 | led_resource = spmi_get_resource(spmi, NULL, IORESOURCE_MEM, 0); |
| 3224 | if (!led_resource) { |
| 3225 | dev_err(&spmi->dev, "Unable to get LED base address\n"); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3226 | rc = -ENXIO; |
| 3227 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3228 | } |
| 3229 | led->base = led_resource->start; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3230 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3231 | rc = of_property_read_string(temp, "label", &led_label); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3232 | if (rc < 0) { |
| 3233 | dev_err(&led->spmi_dev->dev, |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3234 | "Failure reading label, rc = %d\n", rc); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3235 | goto fail_id_check; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3236 | } |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3237 | |
| 3238 | rc = of_property_read_string(temp, "linux,name", |
| 3239 | &led->cdev.name); |
| 3240 | if (rc < 0) { |
| 3241 | dev_err(&led->spmi_dev->dev, |
| 3242 | "Failure reading led name, rc = %d\n", rc); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3243 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3244 | } |
| 3245 | |
| 3246 | rc = of_property_read_u32(temp, "qcom,max-current", |
| 3247 | &led->max_current); |
| 3248 | if (rc < 0) { |
| 3249 | dev_err(&led->spmi_dev->dev, |
| 3250 | "Failure reading max_current, rc = %d\n", rc); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3251 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3252 | } |
| 3253 | |
| 3254 | rc = of_property_read_u32(temp, "qcom,id", &led->id); |
| 3255 | if (rc < 0) { |
| 3256 | dev_err(&led->spmi_dev->dev, |
| 3257 | "Failure reading led id, rc = %d\n", rc); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3258 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3259 | } |
| 3260 | |
| 3261 | rc = qpnp_get_common_configs(led, temp); |
| 3262 | if (rc) { |
| 3263 | dev_err(&led->spmi_dev->dev, |
| 3264 | "Failure reading common led configuration," \ |
| 3265 | " rc = %d\n", rc); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3266 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3267 | } |
| 3268 | |
| 3269 | led->cdev.brightness_set = qpnp_led_set; |
| 3270 | led->cdev.brightness_get = qpnp_led_get; |
| 3271 | |
| 3272 | if (strncmp(led_label, "wled", sizeof("wled")) == 0) { |
| 3273 | rc = qpnp_get_config_wled(led, temp); |
| 3274 | if (rc < 0) { |
| 3275 | dev_err(&led->spmi_dev->dev, |
| 3276 | "Unable to read wled config data\n"); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3277 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3278 | } |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 3279 | } else if (strncmp(led_label, "flash", sizeof("flash")) |
| 3280 | == 0) { |
Chun Zhang | 0d6ca07 | 2013-07-30 21:08:39 -0700 | [diff] [blame] | 3281 | if (!of_find_property(node, "flash-boost-supply", NULL)) |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 3282 | regulator_probe = true; |
| 3283 | rc = qpnp_get_config_flash(led, temp, ®ulator_probe); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 3284 | if (rc < 0) { |
| 3285 | dev_err(&led->spmi_dev->dev, |
| 3286 | "Unable to read flash config data\n"); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3287 | goto fail_id_check; |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 3288 | } |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3289 | } else if (strncmp(led_label, "rgb", sizeof("rgb")) == 0) { |
| 3290 | rc = qpnp_get_config_rgb(led, temp); |
| 3291 | if (rc < 0) { |
| 3292 | dev_err(&led->spmi_dev->dev, |
| 3293 | "Unable to read rgb config data\n"); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3294 | goto fail_id_check; |
Amy Maloche | eea7b59 | 2012-10-03 15:59:36 -0700 | [diff] [blame] | 3295 | } |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3296 | } else if (strncmp(led_label, "mpp", sizeof("mpp")) == 0) { |
| 3297 | rc = qpnp_get_config_mpp(led, temp); |
| 3298 | if (rc < 0) { |
| 3299 | dev_err(&led->spmi_dev->dev, |
| 3300 | "Unable to read mpp config data\n"); |
Amy Maloche | a2726f0 | 2013-05-10 10:19:03 -0700 | [diff] [blame] | 3301 | goto fail_id_check; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3302 | } |
| 3303 | } else if (strncmp(led_label, "kpdbl", sizeof("kpdbl")) == 0) { |
Mohan Pallaka | 3a7d347 | 2013-05-02 16:30:19 +0530 | [diff] [blame] | 3304 | num_kpbl_leds_on = 0; |
Mohan Pallaka | 1f46f02 | 2013-03-15 14:56:50 +0530 | [diff] [blame] | 3305 | rc = qpnp_get_config_kpdbl(led, temp); |
| 3306 | if (rc < 0) { |
| 3307 | dev_err(&led->spmi_dev->dev, |
| 3308 | "Unable to read kpdbl config data\n"); |
Amy Maloche | f381374 | 2013-04-11 19:33:47 -0700 | [diff] [blame] | 3309 | goto fail_id_check; |
| 3310 | } |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3311 | } else { |
| 3312 | dev_err(&led->spmi_dev->dev, "No LED matching label\n"); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3313 | rc = -EINVAL; |
| 3314 | goto fail_id_check; |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3315 | } |
| 3316 | |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 3317 | mutex_init(&led->lock); |
| 3318 | INIT_WORK(&led->work, qpnp_led_work); |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3319 | |
| 3320 | rc = qpnp_led_initialize(led); |
| 3321 | if (rc < 0) |
| 3322 | goto fail_id_check; |
| 3323 | |
| 3324 | rc = qpnp_led_set_max_brightness(led); |
| 3325 | if (rc < 0) |
| 3326 | goto fail_id_check; |
| 3327 | |
| 3328 | rc = led_classdev_register(&spmi->dev, &led->cdev); |
| 3329 | if (rc) { |
| 3330 | dev_err(&spmi->dev, "unable to register led %d,rc=%d\n", |
| 3331 | led->id, rc); |
| 3332 | goto fail_id_check; |
| 3333 | } |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 3334 | |
| 3335 | if (led->id == QPNP_ID_FLASH1_LED0 || |
| 3336 | led->id == QPNP_ID_FLASH1_LED1) { |
| 3337 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3338 | &led_attr_group); |
| 3339 | if (rc) |
| 3340 | goto fail_id_check; |
| 3341 | |
| 3342 | } |
| 3343 | |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 3344 | if (led->id == QPNP_ID_LED_MPP) { |
| 3345 | if (!led->mpp_cfg->pwm_cfg) |
| 3346 | break; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3347 | if (led->mpp_cfg->pwm_cfg->mode == PWM_MODE) { |
| 3348 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3349 | &pwm_attr_group); |
| 3350 | if (rc) |
| 3351 | goto fail_id_check; |
| 3352 | } |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 3353 | if (led->mpp_cfg->pwm_cfg->use_blink) { |
| 3354 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3355 | &blink_attr_group); |
| 3356 | if (rc) |
| 3357 | goto fail_id_check; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3358 | |
| 3359 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3360 | &lpg_attr_group); |
| 3361 | if (rc) |
| 3362 | goto fail_id_check; |
| 3363 | } else if (led->mpp_cfg->pwm_cfg->mode == LPG_MODE) { |
| 3364 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3365 | &lpg_attr_group); |
| 3366 | if (rc) |
| 3367 | goto fail_id_check; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 3368 | } |
| 3369 | } else if ((led->id == QPNP_ID_RGB_RED) || |
| 3370 | (led->id == QPNP_ID_RGB_GREEN) || |
| 3371 | (led->id == QPNP_ID_RGB_BLUE)) { |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3372 | if (led->rgb_cfg->pwm_cfg->mode == PWM_MODE) { |
| 3373 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3374 | &pwm_attr_group); |
| 3375 | if (rc) |
| 3376 | goto fail_id_check; |
| 3377 | } |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 3378 | if (led->rgb_cfg->pwm_cfg->use_blink) { |
| 3379 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3380 | &blink_attr_group); |
| 3381 | if (rc) |
| 3382 | goto fail_id_check; |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3383 | |
| 3384 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3385 | &lpg_attr_group); |
| 3386 | if (rc) |
| 3387 | goto fail_id_check; |
| 3388 | } else if (led->rgb_cfg->pwm_cfg->mode == LPG_MODE) { |
| 3389 | rc = sysfs_create_group(&led->cdev.dev->kobj, |
| 3390 | &lpg_attr_group); |
| 3391 | if (rc) |
| 3392 | goto fail_id_check; |
Amy Maloche | a5c4ed8 | 2013-06-05 11:05:28 -0700 | [diff] [blame] | 3393 | } |
| 3394 | } |
| 3395 | |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3396 | /* configure default state */ |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 3397 | if (led->default_on) { |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3398 | led->cdev.brightness = led->cdev.max_brightness; |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 3399 | __qpnp_led_work(led, led->cdev.brightness); |
Asaf Penso | 55ac847 | 2013-01-21 21:17:37 +0200 | [diff] [blame] | 3400 | if (led->turn_off_delay_ms > 0) |
| 3401 | qpnp_led_turn_off(led); |
| 3402 | } else |
Amy Maloche | a5ca555 | 2012-10-23 13:34:46 -0700 | [diff] [blame] | 3403 | led->cdev.brightness = LED_OFF; |
| 3404 | |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3405 | parsed_leds++; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3406 | } |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3407 | dev_set_drvdata(&spmi->dev, led_array); |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3408 | return 0; |
| 3409 | |
| 3410 | fail_id_check: |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 3411 | for (i = 0; i < parsed_leds; i++) { |
| 3412 | mutex_destroy(&led_array[i].lock); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3413 | led_classdev_unregister(&led_array[i].cdev); |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 3414 | } |
| 3415 | |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3416 | return rc; |
| 3417 | } |
| 3418 | |
| 3419 | static int __devexit qpnp_leds_remove(struct spmi_device *spmi) |
| 3420 | { |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3421 | struct qpnp_led_data *led_array = dev_get_drvdata(&spmi->dev); |
| 3422 | int i, parsed_leds = led_array->num_leds; |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3423 | |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 3424 | for (i = 0; i < parsed_leds; i++) { |
Chun Zhang | 815a183 | 2013-06-20 13:47:13 -0700 | [diff] [blame] | 3425 | cancel_work_sync(&led_array[i].work); |
| 3426 | mutex_destroy(&led_array[i].lock); |
Amy Maloche | f9490c6 | 2012-11-27 19:26:04 -0800 | [diff] [blame] | 3427 | led_classdev_unregister(&led_array[i].cdev); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 3428 | switch (led_array[i].id) { |
| 3429 | case QPNP_ID_WLED: |
| 3430 | break; |
| 3431 | case QPNP_ID_FLASH1_LED0: |
| 3432 | case QPNP_ID_FLASH1_LED1: |
Chun Zhang | da8ad0f | 2013-07-17 14:46:47 -0700 | [diff] [blame] | 3433 | if (led_array[i].flash_cfg->flash_reg_get) |
Chun Zhang | c3b505b | 2013-06-03 19:01:49 -0700 | [diff] [blame] | 3434 | regulator_put(led_array[i].flash_cfg-> \ |
| 3435 | flash_boost_reg); |
Chun Zhang | df2d306 | 2013-06-25 20:14:46 -0700 | [diff] [blame] | 3436 | if (led_array[i].flash_cfg->torch_enable) |
| 3437 | regulator_put(led_array[i].flash_cfg->\ |
| 3438 | torch_boost_reg); |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 3439 | sysfs_remove_group(&led_array[i].cdev.dev->kobj, |
| 3440 | &led_attr_group); |
| 3441 | break; |
| 3442 | case QPNP_ID_RGB_RED: |
| 3443 | case QPNP_ID_RGB_GREEN: |
| 3444 | case QPNP_ID_RGB_BLUE: |
Amy Maloche | 4cf9f32 | 2013-05-29 15:53:46 -0700 | [diff] [blame] | 3445 | if (led_array[i].rgb_cfg->pwm_cfg->mode == PWM_MODE) |
| 3446 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3447 | kobj, &pwm_attr_group); |
| 3448 | if (led_array[i].rgb_cfg->pwm_cfg->use_blink) { |
| 3449 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3450 | kobj, &blink_attr_group); |
| 3451 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3452 | kobj, &lpg_attr_group); |
| 3453 | } else if (led_array[i].rgb_cfg->pwm_cfg->mode\ |
| 3454 | == LPG_MODE) |
| 3455 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3456 | kobj, &lpg_attr_group); |
| 3457 | break; |
| 3458 | case QPNP_ID_LED_MPP: |
| 3459 | if (!led_array[i].mpp_cfg->pwm_cfg) |
| 3460 | break; |
| 3461 | if (led_array[i].mpp_cfg->pwm_cfg->mode == PWM_MODE) |
| 3462 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3463 | kobj, &pwm_attr_group); |
| 3464 | if (led_array[i].mpp_cfg->pwm_cfg->use_blink) { |
| 3465 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3466 | kobj, &blink_attr_group); |
| 3467 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3468 | kobj, &lpg_attr_group); |
| 3469 | } else if (led_array[i].mpp_cfg->pwm_cfg->mode\ |
| 3470 | == LPG_MODE) |
| 3471 | sysfs_remove_group(&led_array[i].cdev.dev->\ |
| 3472 | kobj, &lpg_attr_group); |
| 3473 | break; |
Amy Maloche | bc97c0d2 | 2013-03-24 22:06:16 -0700 | [diff] [blame] | 3474 | default: |
| 3475 | dev_err(&led_array[i].spmi_dev->dev, |
| 3476 | "Invalid LED(%d)\n", |
| 3477 | led_array[i].id); |
| 3478 | return -EINVAL; |
| 3479 | } |
| 3480 | } |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3481 | |
| 3482 | return 0; |
| 3483 | } |
Himanshu Aggarwal | 4eac46c | 2013-11-27 13:46:53 +0530 | [diff] [blame] | 3484 | |
| 3485 | #ifdef CONFIG_OF |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3486 | static struct of_device_id spmi_match_table[] = { |
Himanshu Aggarwal | 4eac46c | 2013-11-27 13:46:53 +0530 | [diff] [blame] | 3487 | { .compatible = "qcom,leds-qpnp",}, |
| 3488 | { }, |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3489 | }; |
Himanshu Aggarwal | 4eac46c | 2013-11-27 13:46:53 +0530 | [diff] [blame] | 3490 | #else |
| 3491 | #define spmi_match_table NULL |
| 3492 | #endif |
Amy Maloche | f3d5a06 | 2012-08-16 19:14:11 -0700 | [diff] [blame] | 3493 | |
| 3494 | static struct spmi_driver qpnp_leds_driver = { |
| 3495 | .driver = { |
| 3496 | .name = "qcom,leds-qpnp", |
| 3497 | .of_match_table = spmi_match_table, |
| 3498 | }, |
| 3499 | .probe = qpnp_leds_probe, |
| 3500 | .remove = __devexit_p(qpnp_leds_remove), |
| 3501 | }; |
| 3502 | |
| 3503 | static int __init qpnp_led_init(void) |
| 3504 | { |
| 3505 | return spmi_driver_register(&qpnp_leds_driver); |
| 3506 | } |
| 3507 | module_init(qpnp_led_init); |
| 3508 | |
| 3509 | static void __exit qpnp_led_exit(void) |
| 3510 | { |
| 3511 | spmi_driver_unregister(&qpnp_leds_driver); |
| 3512 | } |
| 3513 | module_exit(qpnp_led_exit); |
| 3514 | |
| 3515 | MODULE_DESCRIPTION("QPNP LEDs driver"); |
| 3516 | MODULE_LICENSE("GPL v2"); |
| 3517 | MODULE_ALIAS("leds:leds-qpnp"); |
Amy Maloche | 864a6d5 | 2012-10-03 15:58:12 -0700 | [diff] [blame] | 3518 | |