Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Device access for Dialog DA9052 PMICs. |
| 3 | * |
| 4 | * Copyright(c) 2011 Dialog Semiconductor Ltd. |
| 5 | * |
| 6 | * Author: David Dajun Chen <dchen@diasemi.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/device.h> |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/input.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/irq.h> |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 19 | #include <linux/mfd/core.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/module.h> |
| 22 | |
| 23 | #include <linux/mfd/da9052/da9052.h> |
| 24 | #include <linux/mfd/da9052/pdata.h> |
| 25 | #include <linux/mfd/da9052/reg.h> |
| 26 | |
| 27 | #define DA9052_NUM_IRQ_REGS 4 |
| 28 | #define DA9052_IRQ_MASK_POS_1 0x01 |
| 29 | #define DA9052_IRQ_MASK_POS_2 0x02 |
| 30 | #define DA9052_IRQ_MASK_POS_3 0x04 |
| 31 | #define DA9052_IRQ_MASK_POS_4 0x08 |
| 32 | #define DA9052_IRQ_MASK_POS_5 0x10 |
| 33 | #define DA9052_IRQ_MASK_POS_6 0x20 |
| 34 | #define DA9052_IRQ_MASK_POS_7 0x40 |
| 35 | #define DA9052_IRQ_MASK_POS_8 0x80 |
| 36 | |
| 37 | static bool da9052_reg_readable(struct device *dev, unsigned int reg) |
| 38 | { |
| 39 | switch (reg) { |
| 40 | case DA9052_PAGE0_CON_REG: |
| 41 | case DA9052_STATUS_A_REG: |
| 42 | case DA9052_STATUS_B_REG: |
| 43 | case DA9052_STATUS_C_REG: |
| 44 | case DA9052_STATUS_D_REG: |
| 45 | case DA9052_EVENT_A_REG: |
| 46 | case DA9052_EVENT_B_REG: |
| 47 | case DA9052_EVENT_C_REG: |
| 48 | case DA9052_EVENT_D_REG: |
| 49 | case DA9052_FAULTLOG_REG: |
| 50 | case DA9052_IRQ_MASK_A_REG: |
| 51 | case DA9052_IRQ_MASK_B_REG: |
| 52 | case DA9052_IRQ_MASK_C_REG: |
| 53 | case DA9052_IRQ_MASK_D_REG: |
| 54 | case DA9052_CONTROL_A_REG: |
| 55 | case DA9052_CONTROL_B_REG: |
| 56 | case DA9052_CONTROL_C_REG: |
| 57 | case DA9052_CONTROL_D_REG: |
| 58 | case DA9052_PDDIS_REG: |
| 59 | case DA9052_INTERFACE_REG: |
| 60 | case DA9052_RESET_REG: |
| 61 | case DA9052_GPIO_0_1_REG: |
| 62 | case DA9052_GPIO_2_3_REG: |
| 63 | case DA9052_GPIO_4_5_REG: |
| 64 | case DA9052_GPIO_6_7_REG: |
| 65 | case DA9052_GPIO_14_15_REG: |
| 66 | case DA9052_ID_0_1_REG: |
| 67 | case DA9052_ID_2_3_REG: |
| 68 | case DA9052_ID_4_5_REG: |
| 69 | case DA9052_ID_6_7_REG: |
| 70 | case DA9052_ID_8_9_REG: |
| 71 | case DA9052_ID_10_11_REG: |
| 72 | case DA9052_ID_12_13_REG: |
| 73 | case DA9052_ID_14_15_REG: |
| 74 | case DA9052_ID_16_17_REG: |
| 75 | case DA9052_ID_18_19_REG: |
| 76 | case DA9052_ID_20_21_REG: |
| 77 | case DA9052_SEQ_STATUS_REG: |
| 78 | case DA9052_SEQ_A_REG: |
| 79 | case DA9052_SEQ_B_REG: |
| 80 | case DA9052_SEQ_TIMER_REG: |
| 81 | case DA9052_BUCKA_REG: |
| 82 | case DA9052_BUCKB_REG: |
| 83 | case DA9052_BUCKCORE_REG: |
| 84 | case DA9052_BUCKPRO_REG: |
| 85 | case DA9052_BUCKMEM_REG: |
| 86 | case DA9052_BUCKPERI_REG: |
| 87 | case DA9052_LDO1_REG: |
| 88 | case DA9052_LDO2_REG: |
| 89 | case DA9052_LDO3_REG: |
| 90 | case DA9052_LDO4_REG: |
| 91 | case DA9052_LDO5_REG: |
| 92 | case DA9052_LDO6_REG: |
| 93 | case DA9052_LDO7_REG: |
| 94 | case DA9052_LDO8_REG: |
| 95 | case DA9052_LDO9_REG: |
| 96 | case DA9052_LDO10_REG: |
| 97 | case DA9052_SUPPLY_REG: |
| 98 | case DA9052_PULLDOWN_REG: |
| 99 | case DA9052_CHGBUCK_REG: |
| 100 | case DA9052_WAITCONT_REG: |
| 101 | case DA9052_ISET_REG: |
| 102 | case DA9052_BATCHG_REG: |
| 103 | case DA9052_CHG_CONT_REG: |
| 104 | case DA9052_INPUT_CONT_REG: |
| 105 | case DA9052_CHG_TIME_REG: |
| 106 | case DA9052_BBAT_CONT_REG: |
| 107 | case DA9052_BOOST_REG: |
| 108 | case DA9052_LED_CONT_REG: |
| 109 | case DA9052_LEDMIN123_REG: |
| 110 | case DA9052_LED1_CONF_REG: |
| 111 | case DA9052_LED2_CONF_REG: |
| 112 | case DA9052_LED3_CONF_REG: |
| 113 | case DA9052_LED1CONT_REG: |
| 114 | case DA9052_LED2CONT_REG: |
| 115 | case DA9052_LED3CONT_REG: |
| 116 | case DA9052_LED_CONT_4_REG: |
| 117 | case DA9052_LED_CONT_5_REG: |
| 118 | case DA9052_ADC_MAN_REG: |
| 119 | case DA9052_ADC_CONT_REG: |
| 120 | case DA9052_ADC_RES_L_REG: |
| 121 | case DA9052_ADC_RES_H_REG: |
| 122 | case DA9052_VDD_RES_REG: |
| 123 | case DA9052_VDD_MON_REG: |
| 124 | case DA9052_ICHG_AV_REG: |
| 125 | case DA9052_ICHG_THD_REG: |
| 126 | case DA9052_ICHG_END_REG: |
| 127 | case DA9052_TBAT_RES_REG: |
| 128 | case DA9052_TBAT_HIGHP_REG: |
| 129 | case DA9052_TBAT_HIGHN_REG: |
| 130 | case DA9052_TBAT_LOW_REG: |
| 131 | case DA9052_T_OFFSET_REG: |
| 132 | case DA9052_ADCIN4_RES_REG: |
| 133 | case DA9052_AUTO4_HIGH_REG: |
| 134 | case DA9052_AUTO4_LOW_REG: |
| 135 | case DA9052_ADCIN5_RES_REG: |
| 136 | case DA9052_AUTO5_HIGH_REG: |
| 137 | case DA9052_AUTO5_LOW_REG: |
| 138 | case DA9052_ADCIN6_RES_REG: |
| 139 | case DA9052_AUTO6_HIGH_REG: |
| 140 | case DA9052_AUTO6_LOW_REG: |
| 141 | case DA9052_TJUNC_RES_REG: |
| 142 | case DA9052_TSI_CONT_A_REG: |
| 143 | case DA9052_TSI_CONT_B_REG: |
| 144 | case DA9052_TSI_X_MSB_REG: |
| 145 | case DA9052_TSI_Y_MSB_REG: |
| 146 | case DA9052_TSI_LSB_REG: |
| 147 | case DA9052_TSI_Z_MSB_REG: |
| 148 | case DA9052_COUNT_S_REG: |
| 149 | case DA9052_COUNT_MI_REG: |
| 150 | case DA9052_COUNT_H_REG: |
| 151 | case DA9052_COUNT_D_REG: |
| 152 | case DA9052_COUNT_MO_REG: |
| 153 | case DA9052_COUNT_Y_REG: |
| 154 | case DA9052_ALARM_MI_REG: |
| 155 | case DA9052_ALARM_H_REG: |
| 156 | case DA9052_ALARM_D_REG: |
| 157 | case DA9052_ALARM_MO_REG: |
| 158 | case DA9052_ALARM_Y_REG: |
| 159 | case DA9052_SECOND_A_REG: |
| 160 | case DA9052_SECOND_B_REG: |
| 161 | case DA9052_SECOND_C_REG: |
| 162 | case DA9052_SECOND_D_REG: |
| 163 | case DA9052_PAGE1_CON_REG: |
| 164 | return true; |
| 165 | default: |
| 166 | return false; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | static bool da9052_reg_writeable(struct device *dev, unsigned int reg) |
| 171 | { |
| 172 | switch (reg) { |
| 173 | case DA9052_PAGE0_CON_REG: |
Ashish Jangam | 0a92815 | 2012-01-03 12:33:26 +0530 | [diff] [blame] | 174 | case DA9052_EVENT_A_REG: |
| 175 | case DA9052_EVENT_B_REG: |
| 176 | case DA9052_EVENT_C_REG: |
| 177 | case DA9052_EVENT_D_REG: |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 178 | case DA9052_IRQ_MASK_A_REG: |
| 179 | case DA9052_IRQ_MASK_B_REG: |
| 180 | case DA9052_IRQ_MASK_C_REG: |
| 181 | case DA9052_IRQ_MASK_D_REG: |
| 182 | case DA9052_CONTROL_A_REG: |
| 183 | case DA9052_CONTROL_B_REG: |
| 184 | case DA9052_CONTROL_C_REG: |
| 185 | case DA9052_CONTROL_D_REG: |
| 186 | case DA9052_PDDIS_REG: |
| 187 | case DA9052_RESET_REG: |
| 188 | case DA9052_GPIO_0_1_REG: |
| 189 | case DA9052_GPIO_2_3_REG: |
| 190 | case DA9052_GPIO_4_5_REG: |
| 191 | case DA9052_GPIO_6_7_REG: |
| 192 | case DA9052_GPIO_14_15_REG: |
| 193 | case DA9052_ID_0_1_REG: |
| 194 | case DA9052_ID_2_3_REG: |
| 195 | case DA9052_ID_4_5_REG: |
| 196 | case DA9052_ID_6_7_REG: |
| 197 | case DA9052_ID_8_9_REG: |
| 198 | case DA9052_ID_10_11_REG: |
| 199 | case DA9052_ID_12_13_REG: |
| 200 | case DA9052_ID_14_15_REG: |
| 201 | case DA9052_ID_16_17_REG: |
| 202 | case DA9052_ID_18_19_REG: |
| 203 | case DA9052_ID_20_21_REG: |
| 204 | case DA9052_SEQ_STATUS_REG: |
| 205 | case DA9052_SEQ_A_REG: |
| 206 | case DA9052_SEQ_B_REG: |
| 207 | case DA9052_SEQ_TIMER_REG: |
| 208 | case DA9052_BUCKA_REG: |
| 209 | case DA9052_BUCKB_REG: |
| 210 | case DA9052_BUCKCORE_REG: |
| 211 | case DA9052_BUCKPRO_REG: |
| 212 | case DA9052_BUCKMEM_REG: |
| 213 | case DA9052_BUCKPERI_REG: |
| 214 | case DA9052_LDO1_REG: |
| 215 | case DA9052_LDO2_REG: |
| 216 | case DA9052_LDO3_REG: |
| 217 | case DA9052_LDO4_REG: |
| 218 | case DA9052_LDO5_REG: |
| 219 | case DA9052_LDO6_REG: |
| 220 | case DA9052_LDO7_REG: |
| 221 | case DA9052_LDO8_REG: |
| 222 | case DA9052_LDO9_REG: |
| 223 | case DA9052_LDO10_REG: |
| 224 | case DA9052_SUPPLY_REG: |
| 225 | case DA9052_PULLDOWN_REG: |
| 226 | case DA9052_CHGBUCK_REG: |
| 227 | case DA9052_WAITCONT_REG: |
| 228 | case DA9052_ISET_REG: |
| 229 | case DA9052_BATCHG_REG: |
| 230 | case DA9052_CHG_CONT_REG: |
| 231 | case DA9052_INPUT_CONT_REG: |
| 232 | case DA9052_BBAT_CONT_REG: |
| 233 | case DA9052_BOOST_REG: |
| 234 | case DA9052_LED_CONT_REG: |
| 235 | case DA9052_LEDMIN123_REG: |
| 236 | case DA9052_LED1_CONF_REG: |
| 237 | case DA9052_LED2_CONF_REG: |
| 238 | case DA9052_LED3_CONF_REG: |
| 239 | case DA9052_LED1CONT_REG: |
| 240 | case DA9052_LED2CONT_REG: |
| 241 | case DA9052_LED3CONT_REG: |
| 242 | case DA9052_LED_CONT_4_REG: |
| 243 | case DA9052_LED_CONT_5_REG: |
| 244 | case DA9052_ADC_MAN_REG: |
| 245 | case DA9052_ADC_CONT_REG: |
| 246 | case DA9052_ADC_RES_L_REG: |
| 247 | case DA9052_ADC_RES_H_REG: |
| 248 | case DA9052_VDD_RES_REG: |
| 249 | case DA9052_VDD_MON_REG: |
| 250 | case DA9052_ICHG_THD_REG: |
| 251 | case DA9052_ICHG_END_REG: |
| 252 | case DA9052_TBAT_HIGHP_REG: |
| 253 | case DA9052_TBAT_HIGHN_REG: |
| 254 | case DA9052_TBAT_LOW_REG: |
| 255 | case DA9052_T_OFFSET_REG: |
| 256 | case DA9052_AUTO4_HIGH_REG: |
| 257 | case DA9052_AUTO4_LOW_REG: |
| 258 | case DA9052_AUTO5_HIGH_REG: |
| 259 | case DA9052_AUTO5_LOW_REG: |
| 260 | case DA9052_AUTO6_HIGH_REG: |
| 261 | case DA9052_AUTO6_LOW_REG: |
| 262 | case DA9052_TSI_CONT_A_REG: |
| 263 | case DA9052_TSI_CONT_B_REG: |
| 264 | case DA9052_COUNT_S_REG: |
| 265 | case DA9052_COUNT_MI_REG: |
| 266 | case DA9052_COUNT_H_REG: |
| 267 | case DA9052_COUNT_D_REG: |
| 268 | case DA9052_COUNT_MO_REG: |
| 269 | case DA9052_COUNT_Y_REG: |
| 270 | case DA9052_ALARM_MI_REG: |
| 271 | case DA9052_ALARM_H_REG: |
| 272 | case DA9052_ALARM_D_REG: |
| 273 | case DA9052_ALARM_MO_REG: |
| 274 | case DA9052_ALARM_Y_REG: |
| 275 | case DA9052_PAGE1_CON_REG: |
| 276 | return true; |
| 277 | default: |
| 278 | return false; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | static bool da9052_reg_volatile(struct device *dev, unsigned int reg) |
| 283 | { |
| 284 | switch (reg) { |
| 285 | case DA9052_STATUS_A_REG: |
| 286 | case DA9052_STATUS_B_REG: |
| 287 | case DA9052_STATUS_C_REG: |
| 288 | case DA9052_STATUS_D_REG: |
| 289 | case DA9052_EVENT_A_REG: |
| 290 | case DA9052_EVENT_B_REG: |
| 291 | case DA9052_EVENT_C_REG: |
| 292 | case DA9052_EVENT_D_REG: |
| 293 | case DA9052_FAULTLOG_REG: |
| 294 | case DA9052_CHG_TIME_REG: |
| 295 | case DA9052_ADC_RES_L_REG: |
| 296 | case DA9052_ADC_RES_H_REG: |
| 297 | case DA9052_VDD_RES_REG: |
| 298 | case DA9052_ICHG_AV_REG: |
| 299 | case DA9052_TBAT_RES_REG: |
| 300 | case DA9052_ADCIN4_RES_REG: |
| 301 | case DA9052_ADCIN5_RES_REG: |
| 302 | case DA9052_ADCIN6_RES_REG: |
| 303 | case DA9052_TJUNC_RES_REG: |
| 304 | case DA9052_TSI_X_MSB_REG: |
| 305 | case DA9052_TSI_Y_MSB_REG: |
| 306 | case DA9052_TSI_LSB_REG: |
| 307 | case DA9052_TSI_Z_MSB_REG: |
| 308 | case DA9052_COUNT_S_REG: |
| 309 | case DA9052_COUNT_MI_REG: |
| 310 | case DA9052_COUNT_H_REG: |
| 311 | case DA9052_COUNT_D_REG: |
| 312 | case DA9052_COUNT_MO_REG: |
| 313 | case DA9052_COUNT_Y_REG: |
| 314 | case DA9052_ALARM_MI_REG: |
| 315 | return true; |
| 316 | default: |
| 317 | return false; |
| 318 | } |
| 319 | } |
| 320 | |
Ashish Jangam | 16e5e20 | 2012-05-18 12:19:18 +0200 | [diff] [blame] | 321 | /* |
| 322 | * TBAT look-up table is computed from the R90 reg (8 bit register) |
| 323 | * reading as below. The battery temperature is in milliCentigrade |
| 324 | * TBAT = (1/(t1+1/298) - 273) * 1000 mC |
| 325 | * where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255)) |
| 326 | * Default values are R25 = 10e3, B = 3380, ITBAT = 50e-6 |
| 327 | * Example: |
| 328 | * R25=10E3, B=3380, ITBAT=50e-6, ADCVAL=62d calculates |
| 329 | * TBAT = 20015 mili degrees Centrigrade |
| 330 | * |
| 331 | */ |
| 332 | static const int32_t tbat_lookup[255] = { |
| 333 | 183258, 144221, 124334, 111336, 101826, 94397, 88343, 83257, |
| 334 | 78889, 75071, 71688, 68656, 65914, 63414, 61120, 59001, |
| 335 | 570366, 55204, 53490, 51881, 50364, 48931, 47574, 46285, |
| 336 | 45059, 43889, 42772, 41703, 40678, 39694, 38748, 37838, |
| 337 | 36961, 36115, 35297, 34507, 33743, 33002, 32284, 31588, |
| 338 | 30911, 30254, 29615, 28994, 28389, 27799, 27225, 26664, |
| 339 | 26117, 25584, 25062, 24553, 24054, 23567, 23091, 22624, |
| 340 | 22167, 21719, 21281, 20851, 20429, 20015, 19610, 19211, |
| 341 | 18820, 18436, 18058, 17688, 17323, 16965, 16612, 16266, |
| 342 | 15925, 15589, 15259, 14933, 14613, 14298, 13987, 13681, |
| 343 | 13379, 13082, 12788, 12499, 12214, 11933, 11655, 11382, |
| 344 | 11112, 10845, 10582, 10322, 10066, 9812, 9562, 9315, |
| 345 | 9071, 8830, 8591, 8356, 8123, 7893, 7665, 7440, |
| 346 | 7218, 6998, 6780, 6565, 6352, 6141, 5933, 5726, |
| 347 | 5522, 5320, 5120, 4922, 4726, 4532, 4340, 4149, |
| 348 | 3961, 3774, 3589, 3406, 3225, 3045, 2867, 2690, |
| 349 | 2516, 2342, 2170, 2000, 1831, 1664, 1498, 1334, |
| 350 | 1171, 1009, 849, 690, 532, 376, 221, 67, |
| 351 | -84, -236, -386, -535, -683, -830, -975, -1119, |
| 352 | -1263, -1405, -1546, -1686, -1825, -1964, -2101, -2237, |
| 353 | -2372, -2506, -2639, -2771, -2902, -3033, -3162, -3291, |
| 354 | -3418, -3545, -3671, -3796, -3920, -4044, -4166, -4288, |
| 355 | -4409, -4529, -4649, -4767, -4885, -5002, -5119, -5235, |
| 356 | -5349, -5464, -5577, -5690, -5802, -5913, -6024, -6134, |
| 357 | -6244, -6352, -6461, -6568, -6675, -6781, -6887, -6992, |
| 358 | -7096, -7200, -7303, -7406, -7508, -7609, -7710, -7810, |
| 359 | -7910, -8009, -8108, -8206, -8304, -8401, -8497, -8593, |
| 360 | -8689, -8784, -8878, -8972, -9066, -9159, -9251, -9343, |
| 361 | -9435, -9526, -9617, -9707, -9796, -9886, -9975, -10063, |
| 362 | -10151, -10238, -10325, -10412, -10839, -10923, -11007, -11090, |
| 363 | -11173, -11256, -11338, -11420, -11501, -11583, -11663, -11744, |
| 364 | -11823, -11903, -11982 |
| 365 | }; |
| 366 | |
| 367 | static const u8 chan_mux[DA9052_ADC_VBBAT + 1] = { |
| 368 | [DA9052_ADC_VDDOUT] = DA9052_ADC_MAN_MUXSEL_VDDOUT, |
| 369 | [DA9052_ADC_ICH] = DA9052_ADC_MAN_MUXSEL_ICH, |
| 370 | [DA9052_ADC_TBAT] = DA9052_ADC_MAN_MUXSEL_TBAT, |
| 371 | [DA9052_ADC_VBAT] = DA9052_ADC_MAN_MUXSEL_VBAT, |
| 372 | [DA9052_ADC_IN4] = DA9052_ADC_MAN_MUXSEL_AD4, |
| 373 | [DA9052_ADC_IN5] = DA9052_ADC_MAN_MUXSEL_AD5, |
| 374 | [DA9052_ADC_IN6] = DA9052_ADC_MAN_MUXSEL_AD6, |
| 375 | [DA9052_ADC_VBBAT] = DA9052_ADC_MAN_MUXSEL_VBBAT |
| 376 | }; |
| 377 | |
| 378 | int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel) |
| 379 | { |
| 380 | int ret; |
| 381 | unsigned short calc_data; |
| 382 | unsigned short data; |
| 383 | unsigned char mux_sel; |
| 384 | |
| 385 | if (channel > DA9052_ADC_VBBAT) |
| 386 | return -EINVAL; |
| 387 | |
| 388 | mutex_lock(&da9052->auxadc_lock); |
| 389 | |
| 390 | /* Channel gets activated on enabling the Conversion bit */ |
| 391 | mux_sel = chan_mux[channel] | DA9052_ADC_MAN_MAN_CONV; |
| 392 | |
| 393 | ret = da9052_reg_write(da9052, DA9052_ADC_MAN_REG, mux_sel); |
| 394 | if (ret < 0) |
| 395 | goto err; |
| 396 | |
| 397 | /* Wait for an interrupt */ |
| 398 | if (!wait_for_completion_timeout(&da9052->done, |
| 399 | msecs_to_jiffies(500))) { |
| 400 | dev_err(da9052->dev, |
| 401 | "timeout waiting for ADC conversion interrupt\n"); |
| 402 | ret = -ETIMEDOUT; |
| 403 | goto err; |
| 404 | } |
| 405 | |
| 406 | ret = da9052_reg_read(da9052, DA9052_ADC_RES_H_REG); |
| 407 | if (ret < 0) |
| 408 | goto err; |
| 409 | |
| 410 | calc_data = (unsigned short)ret; |
| 411 | data = calc_data << 2; |
| 412 | |
| 413 | ret = da9052_reg_read(da9052, DA9052_ADC_RES_L_REG); |
| 414 | if (ret < 0) |
| 415 | goto err; |
| 416 | |
| 417 | calc_data = (unsigned short)(ret & DA9052_ADC_RES_LSB); |
| 418 | data |= calc_data; |
| 419 | |
| 420 | ret = data; |
| 421 | |
| 422 | err: |
| 423 | mutex_unlock(&da9052->auxadc_lock); |
| 424 | return ret; |
| 425 | } |
| 426 | EXPORT_SYMBOL_GPL(da9052_adc_manual_read); |
| 427 | |
| 428 | static irqreturn_t da9052_auxadc_irq(int irq, void *irq_data) |
| 429 | { |
| 430 | struct da9052 *da9052 = irq_data; |
| 431 | |
| 432 | complete(&da9052->done); |
| 433 | |
| 434 | return IRQ_HANDLED; |
| 435 | } |
| 436 | |
| 437 | int da9052_adc_read_temp(struct da9052 *da9052) |
| 438 | { |
| 439 | int tbat; |
| 440 | |
| 441 | tbat = da9052_reg_read(da9052, DA9052_TBAT_RES_REG); |
| 442 | if (tbat <= 0) |
| 443 | return tbat; |
| 444 | |
| 445 | /* ARRAY_SIZE check is not needed since TBAT is a 8-bit register */ |
| 446 | return tbat_lookup[tbat - 1]; |
| 447 | } |
| 448 | EXPORT_SYMBOL_GPL(da9052_adc_read_temp); |
| 449 | |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 450 | static struct resource da9052_rtc_resource = { |
| 451 | .name = "ALM", |
| 452 | .start = DA9052_IRQ_ALARM, |
| 453 | .end = DA9052_IRQ_ALARM, |
| 454 | .flags = IORESOURCE_IRQ, |
| 455 | }; |
| 456 | |
| 457 | static struct resource da9052_onkey_resource = { |
| 458 | .name = "ONKEY", |
| 459 | .start = DA9052_IRQ_NONKEY, |
| 460 | .end = DA9052_IRQ_NONKEY, |
| 461 | .flags = IORESOURCE_IRQ, |
| 462 | }; |
| 463 | |
| 464 | static struct resource da9052_bat_resources[] = { |
| 465 | { |
| 466 | .name = "BATT TEMP", |
| 467 | .start = DA9052_IRQ_TBAT, |
| 468 | .end = DA9052_IRQ_TBAT, |
| 469 | .flags = IORESOURCE_IRQ, |
| 470 | }, |
| 471 | { |
| 472 | .name = "DCIN DET", |
| 473 | .start = DA9052_IRQ_DCIN, |
| 474 | .end = DA9052_IRQ_DCIN, |
| 475 | .flags = IORESOURCE_IRQ, |
| 476 | }, |
| 477 | { |
| 478 | .name = "DCIN REM", |
| 479 | .start = DA9052_IRQ_DCINREM, |
| 480 | .end = DA9052_IRQ_DCINREM, |
| 481 | .flags = IORESOURCE_IRQ, |
| 482 | }, |
| 483 | { |
| 484 | .name = "VBUS DET", |
| 485 | .start = DA9052_IRQ_VBUS, |
| 486 | .end = DA9052_IRQ_VBUS, |
| 487 | .flags = IORESOURCE_IRQ, |
| 488 | }, |
| 489 | { |
| 490 | .name = "VBUS REM", |
| 491 | .start = DA9052_IRQ_VBUSREM, |
| 492 | .end = DA9052_IRQ_VBUSREM, |
| 493 | .flags = IORESOURCE_IRQ, |
| 494 | }, |
| 495 | { |
| 496 | .name = "CHG END", |
| 497 | .start = DA9052_IRQ_CHGEND, |
| 498 | .end = DA9052_IRQ_CHGEND, |
| 499 | .flags = IORESOURCE_IRQ, |
| 500 | }, |
| 501 | }; |
| 502 | |
| 503 | static struct resource da9052_tsi_resources[] = { |
| 504 | { |
| 505 | .name = "PENDWN", |
| 506 | .start = DA9052_IRQ_PENDOWN, |
| 507 | .end = DA9052_IRQ_PENDOWN, |
| 508 | .flags = IORESOURCE_IRQ, |
| 509 | }, |
| 510 | { |
| 511 | .name = "TSIRDY", |
| 512 | .start = DA9052_IRQ_TSIREADY, |
| 513 | .end = DA9052_IRQ_TSIREADY, |
| 514 | .flags = IORESOURCE_IRQ, |
| 515 | }, |
| 516 | }; |
| 517 | |
Mark Brown | d9cba48 | 2011-12-26 15:49:48 +0000 | [diff] [blame] | 518 | static struct mfd_cell __devinitdata da9052_subdev_info[] = { |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 519 | { |
| 520 | .name = "da9052-regulator", |
| 521 | .id = 1, |
| 522 | }, |
| 523 | { |
| 524 | .name = "da9052-regulator", |
| 525 | .id = 2, |
| 526 | }, |
| 527 | { |
| 528 | .name = "da9052-regulator", |
| 529 | .id = 3, |
| 530 | }, |
| 531 | { |
| 532 | .name = "da9052-regulator", |
| 533 | .id = 4, |
| 534 | }, |
| 535 | { |
| 536 | .name = "da9052-regulator", |
| 537 | .id = 5, |
| 538 | }, |
| 539 | { |
| 540 | .name = "da9052-regulator", |
| 541 | .id = 6, |
| 542 | }, |
| 543 | { |
| 544 | .name = "da9052-regulator", |
| 545 | .id = 7, |
| 546 | }, |
| 547 | { |
| 548 | .name = "da9052-regulator", |
| 549 | .id = 8, |
| 550 | }, |
| 551 | { |
| 552 | .name = "da9052-regulator", |
| 553 | .id = 9, |
| 554 | }, |
| 555 | { |
| 556 | .name = "da9052-regulator", |
| 557 | .id = 10, |
| 558 | }, |
| 559 | { |
| 560 | .name = "da9052-regulator", |
| 561 | .id = 11, |
| 562 | }, |
| 563 | { |
| 564 | .name = "da9052-regulator", |
| 565 | .id = 12, |
| 566 | }, |
| 567 | { |
| 568 | .name = "da9052-regulator", |
| 569 | .id = 13, |
| 570 | }, |
| 571 | { |
| 572 | .name = "da9052-regulator", |
| 573 | .id = 14, |
| 574 | }, |
| 575 | { |
| 576 | .name = "da9052-onkey", |
| 577 | .resources = &da9052_onkey_resource, |
| 578 | .num_resources = 1, |
| 579 | }, |
| 580 | { |
| 581 | .name = "da9052-rtc", |
| 582 | .resources = &da9052_rtc_resource, |
| 583 | .num_resources = 1, |
| 584 | }, |
| 585 | { |
| 586 | .name = "da9052-gpio", |
| 587 | }, |
| 588 | { |
| 589 | .name = "da9052-hwmon", |
| 590 | }, |
| 591 | { |
| 592 | .name = "da9052-leds", |
| 593 | }, |
| 594 | { |
| 595 | .name = "da9052-wled1", |
| 596 | }, |
| 597 | { |
| 598 | .name = "da9052-wled2", |
| 599 | }, |
| 600 | { |
| 601 | .name = "da9052-wled3", |
| 602 | }, |
| 603 | { |
| 604 | .name = "da9052-tsi", |
| 605 | .resources = da9052_tsi_resources, |
| 606 | .num_resources = ARRAY_SIZE(da9052_tsi_resources), |
| 607 | }, |
| 608 | { |
| 609 | .name = "da9052-bat", |
| 610 | .resources = da9052_bat_resources, |
| 611 | .num_resources = ARRAY_SIZE(da9052_bat_resources), |
| 612 | }, |
| 613 | { |
| 614 | .name = "da9052-watchdog", |
| 615 | }, |
| 616 | }; |
| 617 | |
| 618 | static struct regmap_irq da9052_irqs[] = { |
| 619 | [DA9052_IRQ_DCIN] = { |
| 620 | .reg_offset = 0, |
| 621 | .mask = DA9052_IRQ_MASK_POS_1, |
| 622 | }, |
| 623 | [DA9052_IRQ_VBUS] = { |
| 624 | .reg_offset = 0, |
| 625 | .mask = DA9052_IRQ_MASK_POS_2, |
| 626 | }, |
| 627 | [DA9052_IRQ_DCINREM] = { |
| 628 | .reg_offset = 0, |
| 629 | .mask = DA9052_IRQ_MASK_POS_3, |
| 630 | }, |
| 631 | [DA9052_IRQ_VBUSREM] = { |
| 632 | .reg_offset = 0, |
| 633 | .mask = DA9052_IRQ_MASK_POS_4, |
| 634 | }, |
| 635 | [DA9052_IRQ_VDDLOW] = { |
| 636 | .reg_offset = 0, |
| 637 | .mask = DA9052_IRQ_MASK_POS_5, |
| 638 | }, |
| 639 | [DA9052_IRQ_ALARM] = { |
| 640 | .reg_offset = 0, |
| 641 | .mask = DA9052_IRQ_MASK_POS_6, |
| 642 | }, |
| 643 | [DA9052_IRQ_SEQRDY] = { |
| 644 | .reg_offset = 0, |
| 645 | .mask = DA9052_IRQ_MASK_POS_7, |
| 646 | }, |
| 647 | [DA9052_IRQ_COMP1V2] = { |
| 648 | .reg_offset = 0, |
| 649 | .mask = DA9052_IRQ_MASK_POS_8, |
| 650 | }, |
| 651 | [DA9052_IRQ_NONKEY] = { |
| 652 | .reg_offset = 1, |
| 653 | .mask = DA9052_IRQ_MASK_POS_1, |
| 654 | }, |
| 655 | [DA9052_IRQ_IDFLOAT] = { |
| 656 | .reg_offset = 1, |
| 657 | .mask = DA9052_IRQ_MASK_POS_2, |
| 658 | }, |
| 659 | [DA9052_IRQ_IDGND] = { |
| 660 | .reg_offset = 1, |
| 661 | .mask = DA9052_IRQ_MASK_POS_3, |
| 662 | }, |
| 663 | [DA9052_IRQ_CHGEND] = { |
| 664 | .reg_offset = 1, |
| 665 | .mask = DA9052_IRQ_MASK_POS_4, |
| 666 | }, |
| 667 | [DA9052_IRQ_TBAT] = { |
| 668 | .reg_offset = 1, |
| 669 | .mask = DA9052_IRQ_MASK_POS_5, |
| 670 | }, |
| 671 | [DA9052_IRQ_ADC_EOM] = { |
| 672 | .reg_offset = 1, |
| 673 | .mask = DA9052_IRQ_MASK_POS_6, |
| 674 | }, |
| 675 | [DA9052_IRQ_PENDOWN] = { |
| 676 | .reg_offset = 1, |
| 677 | .mask = DA9052_IRQ_MASK_POS_7, |
| 678 | }, |
| 679 | [DA9052_IRQ_TSIREADY] = { |
| 680 | .reg_offset = 1, |
| 681 | .mask = DA9052_IRQ_MASK_POS_8, |
| 682 | }, |
| 683 | [DA9052_IRQ_GPI0] = { |
| 684 | .reg_offset = 2, |
| 685 | .mask = DA9052_IRQ_MASK_POS_1, |
| 686 | }, |
| 687 | [DA9052_IRQ_GPI1] = { |
| 688 | .reg_offset = 2, |
| 689 | .mask = DA9052_IRQ_MASK_POS_2, |
| 690 | }, |
| 691 | [DA9052_IRQ_GPI2] = { |
| 692 | .reg_offset = 2, |
| 693 | .mask = DA9052_IRQ_MASK_POS_3, |
| 694 | }, |
| 695 | [DA9052_IRQ_GPI3] = { |
| 696 | .reg_offset = 2, |
| 697 | .mask = DA9052_IRQ_MASK_POS_4, |
| 698 | }, |
| 699 | [DA9052_IRQ_GPI4] = { |
| 700 | .reg_offset = 2, |
| 701 | .mask = DA9052_IRQ_MASK_POS_5, |
| 702 | }, |
| 703 | [DA9052_IRQ_GPI5] = { |
| 704 | .reg_offset = 2, |
| 705 | .mask = DA9052_IRQ_MASK_POS_6, |
| 706 | }, |
| 707 | [DA9052_IRQ_GPI6] = { |
| 708 | .reg_offset = 2, |
| 709 | .mask = DA9052_IRQ_MASK_POS_7, |
| 710 | }, |
| 711 | [DA9052_IRQ_GPI7] = { |
| 712 | .reg_offset = 2, |
| 713 | .mask = DA9052_IRQ_MASK_POS_8, |
| 714 | }, |
| 715 | [DA9052_IRQ_GPI8] = { |
| 716 | .reg_offset = 3, |
| 717 | .mask = DA9052_IRQ_MASK_POS_1, |
| 718 | }, |
| 719 | [DA9052_IRQ_GPI9] = { |
| 720 | .reg_offset = 3, |
| 721 | .mask = DA9052_IRQ_MASK_POS_2, |
| 722 | }, |
| 723 | [DA9052_IRQ_GPI10] = { |
| 724 | .reg_offset = 3, |
| 725 | .mask = DA9052_IRQ_MASK_POS_3, |
| 726 | }, |
| 727 | [DA9052_IRQ_GPI11] = { |
| 728 | .reg_offset = 3, |
| 729 | .mask = DA9052_IRQ_MASK_POS_4, |
| 730 | }, |
| 731 | [DA9052_IRQ_GPI12] = { |
| 732 | .reg_offset = 3, |
| 733 | .mask = DA9052_IRQ_MASK_POS_5, |
| 734 | }, |
| 735 | [DA9052_IRQ_GPI13] = { |
| 736 | .reg_offset = 3, |
| 737 | .mask = DA9052_IRQ_MASK_POS_6, |
| 738 | }, |
| 739 | [DA9052_IRQ_GPI14] = { |
| 740 | .reg_offset = 3, |
| 741 | .mask = DA9052_IRQ_MASK_POS_7, |
| 742 | }, |
| 743 | [DA9052_IRQ_GPI15] = { |
| 744 | .reg_offset = 3, |
| 745 | .mask = DA9052_IRQ_MASK_POS_8, |
| 746 | }, |
| 747 | }; |
| 748 | |
| 749 | static struct regmap_irq_chip da9052_regmap_irq_chip = { |
| 750 | .name = "da9052_irq", |
| 751 | .status_base = DA9052_EVENT_A_REG, |
| 752 | .mask_base = DA9052_IRQ_MASK_A_REG, |
| 753 | .ack_base = DA9052_EVENT_A_REG, |
| 754 | .num_regs = DA9052_NUM_IRQ_REGS, |
| 755 | .irqs = da9052_irqs, |
| 756 | .num_irqs = ARRAY_SIZE(da9052_irqs), |
| 757 | }; |
| 758 | |
| 759 | struct regmap_config da9052_regmap_config = { |
| 760 | .reg_bits = 8, |
| 761 | .val_bits = 8, |
| 762 | |
| 763 | .cache_type = REGCACHE_RBTREE, |
| 764 | |
| 765 | .max_register = DA9052_PAGE1_CON_REG, |
| 766 | .readable_reg = da9052_reg_readable, |
| 767 | .writeable_reg = da9052_reg_writeable, |
| 768 | .volatile_reg = da9052_reg_volatile, |
| 769 | }; |
| 770 | EXPORT_SYMBOL_GPL(da9052_regmap_config); |
| 771 | |
Mark Brown | d9cba48 | 2011-12-26 15:49:48 +0000 | [diff] [blame] | 772 | int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id) |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 773 | { |
| 774 | struct da9052_pdata *pdata = da9052->dev->platform_data; |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 775 | int ret; |
| 776 | |
Ashish Jangam | 16e5e20 | 2012-05-18 12:19:18 +0200 | [diff] [blame] | 777 | mutex_init(&da9052->auxadc_lock); |
| 778 | init_completion(&da9052->done); |
| 779 | |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 780 | if (pdata && pdata->init != NULL) |
| 781 | pdata->init(da9052); |
| 782 | |
| 783 | da9052->chip_id = chip_id; |
| 784 | |
| 785 | if (!pdata || !pdata->irq_base) |
| 786 | da9052->irq_base = -1; |
| 787 | else |
| 788 | da9052->irq_base = pdata->irq_base; |
| 789 | |
| 790 | ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq, |
| 791 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, |
| 792 | da9052->irq_base, &da9052_regmap_irq_chip, |
Mark Brown | 8614419 | 2012-05-13 18:53:23 +0100 | [diff] [blame] | 793 | &da9052->irq_data); |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 794 | if (ret < 0) |
| 795 | goto regmap_err; |
| 796 | |
Mark Brown | 8614419 | 2012-05-13 18:53:23 +0100 | [diff] [blame] | 797 | da9052->irq_base = regmap_irq_chip_get_base(da9052->irq_data); |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 798 | |
Ashish Jangam | 16e5e20 | 2012-05-18 12:19:18 +0200 | [diff] [blame] | 799 | ret = request_threaded_irq(DA9052_IRQ_ADC_EOM, NULL, da9052_auxadc_irq, |
| 800 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, |
| 801 | "adc irq", da9052); |
| 802 | if (ret != 0) |
| 803 | dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret); |
| 804 | |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 805 | ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, |
| 806 | ARRAY_SIZE(da9052_subdev_info), NULL, 0); |
| 807 | if (ret) |
| 808 | goto err; |
| 809 | |
| 810 | return 0; |
| 811 | |
| 812 | err: |
Ashish Jangam | 16e5e20 | 2012-05-18 12:19:18 +0200 | [diff] [blame] | 813 | free_irq(DA9052_IRQ_ADC_EOM, da9052); |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 814 | mfd_remove_devices(da9052->dev); |
| 815 | regmap_err: |
| 816 | return ret; |
| 817 | } |
| 818 | |
| 819 | void da9052_device_exit(struct da9052 *da9052) |
| 820 | { |
Ashish Jangam | 16e5e20 | 2012-05-18 12:19:18 +0200 | [diff] [blame] | 821 | free_irq(DA9052_IRQ_ADC_EOM, da9052); |
Mark Brown | 8614419 | 2012-05-13 18:53:23 +0100 | [diff] [blame] | 822 | regmap_del_irq_chip(da9052->chip_irq, da9052->irq_data); |
Ashish Jangam | 84c99db | 2011-12-12 20:06:56 +0530 | [diff] [blame] | 823 | mfd_remove_devices(da9052->dev); |
| 824 | } |
| 825 | |
| 826 | MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); |
| 827 | MODULE_DESCRIPTION("DA9052 MFD Core"); |
| 828 | MODULE_LICENSE("GPL"); |