Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Arizona core driver |
| 3 | * |
| 4 | * Copyright 2012 Wolfson Microelectronics plc |
| 5 | * |
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/delay.h> |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 14 | #include <linux/err.h> |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 15 | #include <linux/gpio.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/mfd/core.h> |
| 18 | #include <linux/module.h> |
Mark Brown | d781009 | 2013-03-25 00:11:27 +0000 | [diff] [blame] | 19 | #include <linux/of.h> |
| 20 | #include <linux/of_device.h> |
| 21 | #include <linux/of_gpio.h> |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 22 | #include <linux/pm_runtime.h> |
| 23 | #include <linux/regmap.h> |
| 24 | #include <linux/regulator/consumer.h> |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 25 | #include <linux/regulator/machine.h> |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 26 | #include <linux/slab.h> |
| 27 | |
| 28 | #include <linux/mfd/arizona/core.h> |
| 29 | #include <linux/mfd/arizona/registers.h> |
| 30 | |
| 31 | #include "arizona.h" |
| 32 | |
| 33 | static const char *wm5102_core_supplies[] = { |
| 34 | "AVDD", |
| 35 | "DBVDD1", |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 36 | }; |
| 37 | |
| 38 | int arizona_clk32k_enable(struct arizona *arizona) |
| 39 | { |
| 40 | int ret = 0; |
| 41 | |
| 42 | mutex_lock(&arizona->clk_lock); |
| 43 | |
| 44 | arizona->clk32k_ref++; |
| 45 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 46 | if (arizona->clk32k_ref == 1) { |
| 47 | switch (arizona->pdata.clk32k_src) { |
| 48 | case ARIZONA_32KZ_MCLK1: |
| 49 | ret = pm_runtime_get_sync(arizona->dev); |
| 50 | if (ret != 0) |
| 51 | goto out; |
| 52 | break; |
| 53 | } |
| 54 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 55 | ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 56 | ARIZONA_CLK_32K_ENA, |
| 57 | ARIZONA_CLK_32K_ENA); |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 58 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 59 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 60 | out: |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 61 | if (ret != 0) |
| 62 | arizona->clk32k_ref--; |
| 63 | |
| 64 | mutex_unlock(&arizona->clk_lock); |
| 65 | |
| 66 | return ret; |
| 67 | } |
| 68 | EXPORT_SYMBOL_GPL(arizona_clk32k_enable); |
| 69 | |
| 70 | int arizona_clk32k_disable(struct arizona *arizona) |
| 71 | { |
| 72 | int ret = 0; |
| 73 | |
| 74 | mutex_lock(&arizona->clk_lock); |
| 75 | |
| 76 | BUG_ON(arizona->clk32k_ref <= 0); |
| 77 | |
| 78 | arizona->clk32k_ref--; |
| 79 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 80 | if (arizona->clk32k_ref == 0) { |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 81 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 82 | ARIZONA_CLK_32K_ENA, 0); |
| 83 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 84 | switch (arizona->pdata.clk32k_src) { |
| 85 | case ARIZONA_32KZ_MCLK1: |
| 86 | pm_runtime_put_sync(arizona->dev); |
| 87 | break; |
| 88 | } |
| 89 | } |
| 90 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 91 | mutex_unlock(&arizona->clk_lock); |
| 92 | |
| 93 | return ret; |
| 94 | } |
| 95 | EXPORT_SYMBOL_GPL(arizona_clk32k_disable); |
| 96 | |
| 97 | static irqreturn_t arizona_clkgen_err(int irq, void *data) |
| 98 | { |
| 99 | struct arizona *arizona = data; |
| 100 | |
| 101 | dev_err(arizona->dev, "CLKGEN error\n"); |
| 102 | |
| 103 | return IRQ_HANDLED; |
| 104 | } |
| 105 | |
| 106 | static irqreturn_t arizona_underclocked(int irq, void *data) |
| 107 | { |
| 108 | struct arizona *arizona = data; |
| 109 | unsigned int val; |
| 110 | int ret; |
| 111 | |
| 112 | ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8, |
| 113 | &val); |
| 114 | if (ret != 0) { |
| 115 | dev_err(arizona->dev, "Failed to read underclock status: %d\n", |
| 116 | ret); |
| 117 | return IRQ_NONE; |
| 118 | } |
| 119 | |
| 120 | if (val & ARIZONA_AIF3_UNDERCLOCKED_STS) |
| 121 | dev_err(arizona->dev, "AIF3 underclocked\n"); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 122 | if (val & ARIZONA_AIF2_UNDERCLOCKED_STS) |
Charles Keepax | 3ebef34 | 2012-11-20 13:46:20 +0900 | [diff] [blame] | 123 | dev_err(arizona->dev, "AIF2 underclocked\n"); |
| 124 | if (val & ARIZONA_AIF1_UNDERCLOCKED_STS) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 125 | dev_err(arizona->dev, "AIF1 underclocked\n"); |
| 126 | if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS) |
| 127 | dev_err(arizona->dev, "ISRC2 underclocked\n"); |
| 128 | if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS) |
| 129 | dev_err(arizona->dev, "ISRC1 underclocked\n"); |
| 130 | if (val & ARIZONA_FX_UNDERCLOCKED_STS) |
| 131 | dev_err(arizona->dev, "FX underclocked\n"); |
| 132 | if (val & ARIZONA_ASRC_UNDERCLOCKED_STS) |
| 133 | dev_err(arizona->dev, "ASRC underclocked\n"); |
| 134 | if (val & ARIZONA_DAC_UNDERCLOCKED_STS) |
| 135 | dev_err(arizona->dev, "DAC underclocked\n"); |
| 136 | if (val & ARIZONA_ADC_UNDERCLOCKED_STS) |
| 137 | dev_err(arizona->dev, "ADC underclocked\n"); |
| 138 | if (val & ARIZONA_MIXER_UNDERCLOCKED_STS) |
Mark Brown | 648a988 | 2013-01-28 00:32:53 +0800 | [diff] [blame] | 139 | dev_err(arizona->dev, "Mixer dropped sample\n"); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 140 | |
| 141 | return IRQ_HANDLED; |
| 142 | } |
| 143 | |
| 144 | static irqreturn_t arizona_overclocked(int irq, void *data) |
| 145 | { |
| 146 | struct arizona *arizona = data; |
| 147 | unsigned int val[2]; |
| 148 | int ret; |
| 149 | |
| 150 | ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6, |
| 151 | &val[0], 2); |
| 152 | if (ret != 0) { |
| 153 | dev_err(arizona->dev, "Failed to read overclock status: %d\n", |
| 154 | ret); |
| 155 | return IRQ_NONE; |
| 156 | } |
| 157 | |
| 158 | if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS) |
| 159 | dev_err(arizona->dev, "PWM overclocked\n"); |
| 160 | if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS) |
| 161 | dev_err(arizona->dev, "FX core overclocked\n"); |
| 162 | if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS) |
| 163 | dev_err(arizona->dev, "DAC SYS overclocked\n"); |
| 164 | if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS) |
| 165 | dev_err(arizona->dev, "DAC WARP overclocked\n"); |
| 166 | if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS) |
| 167 | dev_err(arizona->dev, "ADC overclocked\n"); |
| 168 | if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS) |
| 169 | dev_err(arizona->dev, "Mixer overclocked\n"); |
| 170 | if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS) |
| 171 | dev_err(arizona->dev, "AIF3 overclocked\n"); |
| 172 | if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS) |
| 173 | dev_err(arizona->dev, "AIF2 overclocked\n"); |
| 174 | if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS) |
| 175 | dev_err(arizona->dev, "AIF1 overclocked\n"); |
| 176 | if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS) |
| 177 | dev_err(arizona->dev, "Pad control overclocked\n"); |
| 178 | |
| 179 | if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS) |
| 180 | dev_err(arizona->dev, "Slimbus subsystem overclocked\n"); |
| 181 | if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS) |
| 182 | dev_err(arizona->dev, "Slimbus async overclocked\n"); |
| 183 | if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS) |
| 184 | dev_err(arizona->dev, "Slimbus sync overclocked\n"); |
| 185 | if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS) |
| 186 | dev_err(arizona->dev, "ASRC async system overclocked\n"); |
| 187 | if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS) |
| 188 | dev_err(arizona->dev, "ASRC async WARP overclocked\n"); |
| 189 | if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS) |
| 190 | dev_err(arizona->dev, "ASRC sync system overclocked\n"); |
| 191 | if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS) |
| 192 | dev_err(arizona->dev, "ASRC sync WARP overclocked\n"); |
| 193 | if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS) |
| 194 | dev_err(arizona->dev, "DSP1 overclocked\n"); |
| 195 | if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS) |
| 196 | dev_err(arizona->dev, "ISRC2 overclocked\n"); |
| 197 | if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS) |
| 198 | dev_err(arizona->dev, "ISRC1 overclocked\n"); |
| 199 | |
| 200 | return IRQ_HANDLED; |
| 201 | } |
| 202 | |
Charles Keepax | 9d53dfd | 2013-03-26 17:38:45 +0000 | [diff] [blame] | 203 | static int arizona_poll_reg(struct arizona *arizona, |
| 204 | int timeout, unsigned int reg, |
| 205 | unsigned int mask, unsigned int target) |
| 206 | { |
| 207 | unsigned int val = 0; |
| 208 | int ret, i; |
| 209 | |
| 210 | for (i = 0; i < timeout; i++) { |
| 211 | ret = regmap_read(arizona->regmap, reg, &val); |
| 212 | if (ret != 0) { |
| 213 | dev_err(arizona->dev, "Failed to read reg %u: %d\n", |
| 214 | reg, ret); |
| 215 | continue; |
| 216 | } |
| 217 | |
| 218 | if ((val & mask) == target) |
| 219 | return 0; |
| 220 | |
| 221 | msleep(1); |
| 222 | } |
| 223 | |
| 224 | dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val); |
| 225 | return -ETIMEDOUT; |
| 226 | } |
| 227 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 228 | static int arizona_wait_for_boot(struct arizona *arizona) |
| 229 | { |
Charles Keepax | 9d53dfd | 2013-03-26 17:38:45 +0000 | [diff] [blame] | 230 | int ret; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 231 | |
| 232 | /* |
| 233 | * We can't use an interrupt as we need to runtime resume to do so, |
| 234 | * we won't race with the interrupt handler as it'll be blocked on |
| 235 | * runtime resume. |
| 236 | */ |
Charles Keepax | 9d53dfd | 2013-03-26 17:38:45 +0000 | [diff] [blame] | 237 | ret = arizona_poll_reg(arizona, 5, ARIZONA_INTERRUPT_RAW_STATUS_5, |
| 238 | ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 239 | |
Charles Keepax | 9d53dfd | 2013-03-26 17:38:45 +0000 | [diff] [blame] | 240 | if (!ret) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 241 | regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5, |
| 242 | ARIZONA_BOOT_DONE_STS); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 243 | |
| 244 | pm_runtime_mark_last_busy(arizona->dev); |
| 245 | |
Charles Keepax | 9d53dfd | 2013-03-26 17:38:45 +0000 | [diff] [blame] | 246 | return ret; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 247 | } |
| 248 | |
Charles Keepax | e80436b | 2013-03-26 18:46:15 +0000 | [diff] [blame] | 249 | static int arizona_apply_hardware_patch(struct arizona* arizona) |
| 250 | { |
| 251 | unsigned int fll, sysclk; |
| 252 | int ret, err; |
| 253 | |
| 254 | regcache_cache_bypass(arizona->regmap, true); |
| 255 | |
| 256 | /* Cache existing FLL and SYSCLK settings */ |
| 257 | ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll); |
| 258 | if (ret != 0) { |
| 259 | dev_err(arizona->dev, "Failed to cache FLL settings: %d\n", |
| 260 | ret); |
| 261 | return ret; |
| 262 | } |
| 263 | ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, &sysclk); |
| 264 | if (ret != 0) { |
| 265 | dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n", |
| 266 | ret); |
| 267 | return ret; |
| 268 | } |
| 269 | |
| 270 | /* Start up SYSCLK using the FLL in free running mode */ |
| 271 | ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, |
| 272 | ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN); |
| 273 | if (ret != 0) { |
| 274 | dev_err(arizona->dev, |
| 275 | "Failed to start FLL in freerunning mode: %d\n", |
| 276 | ret); |
| 277 | return ret; |
| 278 | } |
| 279 | ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5, |
| 280 | ARIZONA_FLL1_CLOCK_OK_STS, |
| 281 | ARIZONA_FLL1_CLOCK_OK_STS); |
| 282 | if (ret != 0) { |
| 283 | ret = -ETIMEDOUT; |
| 284 | goto err_fll; |
| 285 | } |
| 286 | |
| 287 | ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144); |
| 288 | if (ret != 0) { |
| 289 | dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret); |
| 290 | goto err_fll; |
| 291 | } |
| 292 | |
| 293 | /* Start the write sequencer and wait for it to finish */ |
| 294 | ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0, |
| 295 | ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160); |
| 296 | if (ret != 0) { |
| 297 | dev_err(arizona->dev, "Failed to start write sequencer: %d\n", |
| 298 | ret); |
| 299 | goto err_sysclk; |
| 300 | } |
| 301 | ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1, |
| 302 | ARIZONA_WSEQ_BUSY, 0); |
| 303 | if (ret != 0) { |
| 304 | regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0, |
| 305 | ARIZONA_WSEQ_ABORT); |
| 306 | ret = -ETIMEDOUT; |
| 307 | } |
| 308 | |
| 309 | err_sysclk: |
| 310 | err = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, sysclk); |
| 311 | if (err != 0) { |
| 312 | dev_err(arizona->dev, |
| 313 | "Failed to re-apply old SYSCLK settings: %d\n", |
| 314 | err); |
| 315 | } |
| 316 | |
| 317 | err_fll: |
| 318 | err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, fll); |
| 319 | if (err != 0) { |
| 320 | dev_err(arizona->dev, |
| 321 | "Failed to re-apply old FLL settings: %d\n", |
| 322 | err); |
| 323 | } |
| 324 | |
| 325 | regcache_cache_bypass(arizona->regmap, false); |
| 326 | |
| 327 | if (ret != 0) |
| 328 | return ret; |
| 329 | else |
| 330 | return err; |
| 331 | } |
| 332 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 333 | #ifdef CONFIG_PM_RUNTIME |
| 334 | static int arizona_runtime_resume(struct device *dev) |
| 335 | { |
| 336 | struct arizona *arizona = dev_get_drvdata(dev); |
| 337 | int ret; |
| 338 | |
Mark Brown | 508c829 | 2012-07-20 17:09:12 +0100 | [diff] [blame] | 339 | dev_dbg(arizona->dev, "Leaving AoD mode\n"); |
| 340 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 341 | ret = regulator_enable(arizona->dcvdd); |
| 342 | if (ret != 0) { |
| 343 | dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); |
| 344 | return ret; |
| 345 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 346 | |
| 347 | regcache_cache_only(arizona->regmap, false); |
| 348 | |
Charles Keepax | 4c9bb8b | 2013-03-26 18:01:49 +0000 | [diff] [blame] | 349 | switch (arizona->type) { |
| 350 | case WM5102: |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 351 | if (arizona->external_dcvdd) { |
| 352 | ret = regmap_update_bits(arizona->regmap, |
| 353 | ARIZONA_ISOLATION_CONTROL, |
| 354 | ARIZONA_ISOLATE_DCVDD1, 0); |
| 355 | if (ret != 0) { |
| 356 | dev_err(arizona->dev, |
| 357 | "Failed to connect DCVDD: %d\n", ret); |
| 358 | goto err; |
| 359 | } |
| 360 | } |
| 361 | |
Charles Keepax | 4c9bb8b | 2013-03-26 18:01:49 +0000 | [diff] [blame] | 362 | ret = wm5102_patch(arizona); |
| 363 | if (ret != 0) { |
| 364 | dev_err(arizona->dev, "Failed to apply patch: %d\n", |
| 365 | ret); |
| 366 | goto err; |
| 367 | } |
Charles Keepax | e80436b | 2013-03-26 18:46:15 +0000 | [diff] [blame] | 368 | |
| 369 | ret = arizona_apply_hardware_patch(arizona); |
| 370 | if (ret != 0) { |
| 371 | dev_err(arizona->dev, |
| 372 | "Failed to apply hardware patch: %d\n", |
| 373 | ret); |
| 374 | goto err; |
| 375 | } |
| 376 | break; |
| 377 | default: |
Charles Keepax | 12bb68e | 2013-03-27 09:49:40 +0000 | [diff] [blame] | 378 | ret = arizona_wait_for_boot(arizona); |
| 379 | if (ret != 0) { |
| 380 | goto err; |
| 381 | } |
| 382 | |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 383 | if (arizona->external_dcvdd) { |
| 384 | ret = regmap_update_bits(arizona->regmap, |
| 385 | ARIZONA_ISOLATION_CONTROL, |
| 386 | ARIZONA_ISOLATE_DCVDD1, 0); |
| 387 | if (ret != 0) { |
| 388 | dev_err(arizona->dev, |
| 389 | "Failed to connect DCVDD: %d\n", ret); |
| 390 | goto err; |
| 391 | } |
| 392 | } |
Charles Keepax | e80436b | 2013-03-26 18:46:15 +0000 | [diff] [blame] | 393 | break; |
Charles Keepax | 4c9bb8b | 2013-03-26 18:01:49 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Charles Keepax | d9d0349 | 2013-03-26 18:01:49 +0000 | [diff] [blame] | 396 | switch (arizona->type) { |
| 397 | case WM5102: |
| 398 | ret = wm5102_patch(arizona); |
| 399 | if (ret != 0) { |
| 400 | dev_err(arizona->dev, "Failed to apply patch: %d\n", |
| 401 | ret); |
| 402 | goto err; |
| 403 | } |
| 404 | default: |
| 405 | break; |
| 406 | } |
| 407 | |
Mark Brown | 9270bdf | 2013-01-04 17:16:12 +0000 | [diff] [blame] | 408 | ret = regcache_sync(arizona->regmap); |
| 409 | if (ret != 0) { |
| 410 | dev_err(arizona->dev, "Failed to restore register cache\n"); |
Mark Brown | 4816bd1 | 2013-01-14 15:50:38 +0900 | [diff] [blame] | 411 | goto err; |
Mark Brown | 9270bdf | 2013-01-04 17:16:12 +0000 | [diff] [blame] | 412 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 413 | |
| 414 | return 0; |
Mark Brown | 4816bd1 | 2013-01-14 15:50:38 +0900 | [diff] [blame] | 415 | |
| 416 | err: |
| 417 | regcache_cache_only(arizona->regmap, true); |
| 418 | regulator_disable(arizona->dcvdd); |
| 419 | return ret; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | static int arizona_runtime_suspend(struct device *dev) |
| 423 | { |
| 424 | struct arizona *arizona = dev_get_drvdata(dev); |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 425 | int ret; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 426 | |
Mark Brown | 508c829 | 2012-07-20 17:09:12 +0100 | [diff] [blame] | 427 | dev_dbg(arizona->dev, "Entering AoD mode\n"); |
| 428 | |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 429 | if (arizona->external_dcvdd) { |
| 430 | ret = regmap_update_bits(arizona->regmap, |
| 431 | ARIZONA_ISOLATION_CONTROL, |
| 432 | ARIZONA_ISOLATE_DCVDD1, |
| 433 | ARIZONA_ISOLATE_DCVDD1); |
| 434 | if (ret != 0) { |
| 435 | dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", |
| 436 | ret); |
| 437 | return ret; |
| 438 | } |
| 439 | } |
| 440 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 441 | regcache_cache_only(arizona->regmap, true); |
| 442 | regcache_mark_dirty(arizona->regmap); |
Charles Keepax | e293e8472 | 2013-08-06 17:18:35 +0100 | [diff] [blame] | 443 | regulator_disable(arizona->dcvdd); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | #endif |
| 448 | |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 449 | #ifdef CONFIG_PM_SLEEP |
Mark Brown | 67c9929 | 2013-04-10 12:40:26 +0100 | [diff] [blame] | 450 | static int arizona_suspend(struct device *dev) |
| 451 | { |
| 452 | struct arizona *arizona = dev_get_drvdata(dev); |
| 453 | |
| 454 | dev_dbg(arizona->dev, "Suspend, disabling IRQ\n"); |
| 455 | disable_irq(arizona->irq); |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | static int arizona_suspend_late(struct device *dev) |
| 461 | { |
| 462 | struct arizona *arizona = dev_get_drvdata(dev); |
| 463 | |
| 464 | dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n"); |
| 465 | enable_irq(arizona->irq); |
| 466 | |
| 467 | return 0; |
| 468 | } |
| 469 | |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 470 | static int arizona_resume_noirq(struct device *dev) |
| 471 | { |
| 472 | struct arizona *arizona = dev_get_drvdata(dev); |
| 473 | |
| 474 | dev_dbg(arizona->dev, "Early resume, disabling IRQ\n"); |
| 475 | disable_irq(arizona->irq); |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | static int arizona_resume(struct device *dev) |
| 481 | { |
| 482 | struct arizona *arizona = dev_get_drvdata(dev); |
| 483 | |
| 484 | dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n"); |
| 485 | enable_irq(arizona->irq); |
| 486 | |
| 487 | return 0; |
| 488 | } |
| 489 | #endif |
| 490 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 491 | const struct dev_pm_ops arizona_pm_ops = { |
| 492 | SET_RUNTIME_PM_OPS(arizona_runtime_suspend, |
| 493 | arizona_runtime_resume, |
| 494 | NULL) |
Mark Brown | 67c9929 | 2013-04-10 12:40:26 +0100 | [diff] [blame] | 495 | SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume) |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 496 | #ifdef CONFIG_PM_SLEEP |
Mark Brown | 67c9929 | 2013-04-10 12:40:26 +0100 | [diff] [blame] | 497 | .suspend_late = arizona_suspend_late, |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 498 | .resume_noirq = arizona_resume_noirq, |
| 499 | #endif |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 500 | }; |
| 501 | EXPORT_SYMBOL_GPL(arizona_pm_ops); |
| 502 | |
Mark Brown | d781009 | 2013-03-25 00:11:27 +0000 | [diff] [blame] | 503 | #ifdef CONFIG_OF |
| 504 | int arizona_of_get_type(struct device *dev) |
| 505 | { |
| 506 | const struct of_device_id *id = of_match_device(arizona_of_match, dev); |
| 507 | |
| 508 | if (id) |
| 509 | return (int)id->data; |
| 510 | else |
| 511 | return 0; |
| 512 | } |
| 513 | EXPORT_SYMBOL_GPL(arizona_of_get_type); |
| 514 | |
| 515 | static int arizona_of_get_core_pdata(struct arizona *arizona) |
| 516 | { |
| 517 | int ret, i; |
| 518 | |
| 519 | arizona->pdata.reset = of_get_named_gpio(arizona->dev->of_node, |
| 520 | "wlf,reset", 0); |
| 521 | if (arizona->pdata.reset < 0) |
| 522 | arizona->pdata.reset = 0; |
| 523 | |
| 524 | arizona->pdata.ldoena = of_get_named_gpio(arizona->dev->of_node, |
| 525 | "wlf,ldoena", 0); |
| 526 | if (arizona->pdata.ldoena < 0) |
| 527 | arizona->pdata.ldoena = 0; |
| 528 | |
| 529 | ret = of_property_read_u32_array(arizona->dev->of_node, |
| 530 | "wlf,gpio-defaults", |
| 531 | arizona->pdata.gpio_defaults, |
| 532 | ARRAY_SIZE(arizona->pdata.gpio_defaults)); |
| 533 | if (ret >= 0) { |
| 534 | /* |
| 535 | * All values are literal except out of range values |
| 536 | * which are chip default, translate into platform |
| 537 | * data which uses 0 as chip default and out of range |
| 538 | * as zero. |
| 539 | */ |
| 540 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { |
| 541 | if (arizona->pdata.gpio_defaults[i] > 0xffff) |
| 542 | arizona->pdata.gpio_defaults[i] = 0; |
| 543 | if (arizona->pdata.gpio_defaults[i] == 0) |
| 544 | arizona->pdata.gpio_defaults[i] = 0x10000; |
| 545 | } |
| 546 | } else { |
| 547 | dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n", |
| 548 | ret); |
| 549 | } |
| 550 | |
| 551 | return 0; |
| 552 | } |
| 553 | |
| 554 | const struct of_device_id arizona_of_match[] = { |
| 555 | { .compatible = "wlf,wm5102", .data = (void *)WM5102 }, |
| 556 | { .compatible = "wlf,wm5110", .data = (void *)WM5110 }, |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 557 | { .compatible = "wlf,wm8997", .data = (void *)WM8997 }, |
Mark Brown | d781009 | 2013-03-25 00:11:27 +0000 | [diff] [blame] | 558 | {}, |
| 559 | }; |
| 560 | EXPORT_SYMBOL_GPL(arizona_of_match); |
| 561 | #else |
| 562 | static inline int arizona_of_get_core_pdata(struct arizona *arizona) |
| 563 | { |
| 564 | return 0; |
| 565 | } |
| 566 | #endif |
| 567 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 568 | static struct mfd_cell early_devs[] = { |
| 569 | { .name = "arizona-ldo1" }, |
| 570 | }; |
| 571 | |
| 572 | static struct mfd_cell wm5102_devs[] = { |
Mark Brown | d776811 | 2012-12-20 15:38:03 +0000 | [diff] [blame] | 573 | { .name = "arizona-micsupp" }, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 574 | { .name = "arizona-extcon" }, |
| 575 | { .name = "arizona-gpio" }, |
Mark Brown | 503b1ca | 2012-11-27 17:36:38 +0000 | [diff] [blame] | 576 | { .name = "arizona-haptics" }, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 577 | { .name = "arizona-pwm" }, |
| 578 | { .name = "wm5102-codec" }, |
| 579 | }; |
| 580 | |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 581 | static struct mfd_cell wm5110_devs[] = { |
Mark Brown | d776811 | 2012-12-20 15:38:03 +0000 | [diff] [blame] | 582 | { .name = "arizona-micsupp" }, |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 583 | { .name = "arizona-extcon" }, |
| 584 | { .name = "arizona-gpio" }, |
Mark Brown | 503b1ca | 2012-11-27 17:36:38 +0000 | [diff] [blame] | 585 | { .name = "arizona-haptics" }, |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 586 | { .name = "arizona-pwm" }, |
| 587 | { .name = "wm5110-codec" }, |
| 588 | }; |
| 589 | |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 590 | static struct mfd_cell wm8997_devs[] = { |
| 591 | { .name = "arizona-micsupp" }, |
| 592 | { .name = "arizona-extcon" }, |
| 593 | { .name = "arizona-gpio" }, |
| 594 | { .name = "arizona-haptics" }, |
| 595 | { .name = "arizona-pwm" }, |
| 596 | { .name = "wm8997-codec" }, |
| 597 | }; |
| 598 | |
Bill Pemberton | f791be4 | 2012-11-19 13:23:04 -0500 | [diff] [blame] | 599 | int arizona_dev_init(struct arizona *arizona) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 600 | { |
| 601 | struct device *dev = arizona->dev; |
| 602 | const char *type_name; |
| 603 | unsigned int reg, val; |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 604 | int (*apply_patch)(struct arizona *) = NULL; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 605 | int ret, i; |
| 606 | |
| 607 | dev_set_drvdata(arizona->dev, arizona); |
| 608 | mutex_init(&arizona->clk_lock); |
| 609 | |
| 610 | if (dev_get_platdata(arizona->dev)) |
| 611 | memcpy(&arizona->pdata, dev_get_platdata(arizona->dev), |
| 612 | sizeof(arizona->pdata)); |
Lee Jones | 22d7dc8 | 2013-09-27 14:25:55 +0100 | [diff] [blame^] | 613 | else |
| 614 | arizona_of_get_core_pdata(arizona); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 615 | |
| 616 | regcache_cache_only(arizona->regmap, true); |
| 617 | |
| 618 | switch (arizona->type) { |
| 619 | case WM5102: |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 620 | case WM5110: |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 621 | case WM8997: |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 622 | for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++) |
| 623 | arizona->core_supplies[i].supply |
| 624 | = wm5102_core_supplies[i]; |
| 625 | arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies); |
| 626 | break; |
| 627 | default: |
| 628 | dev_err(arizona->dev, "Unknown device type %d\n", |
| 629 | arizona->type); |
| 630 | return -EINVAL; |
| 631 | } |
| 632 | |
| 633 | ret = mfd_add_devices(arizona->dev, -1, early_devs, |
Mark Brown | 0848c94 | 2012-09-11 15:16:36 +0800 | [diff] [blame] | 634 | ARRAY_SIZE(early_devs), NULL, 0, NULL); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 635 | if (ret != 0) { |
| 636 | dev_err(dev, "Failed to add early children: %d\n", ret); |
| 637 | return ret; |
| 638 | } |
| 639 | |
| 640 | ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies, |
| 641 | arizona->core_supplies); |
| 642 | if (ret != 0) { |
| 643 | dev_err(dev, "Failed to request core supplies: %d\n", |
| 644 | ret); |
| 645 | goto err_early; |
| 646 | } |
| 647 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 648 | arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD"); |
| 649 | if (IS_ERR(arizona->dcvdd)) { |
| 650 | ret = PTR_ERR(arizona->dcvdd); |
| 651 | dev_err(dev, "Failed to request DCVDD: %d\n", ret); |
| 652 | goto err_early; |
| 653 | } |
| 654 | |
Mark Brown | 87d3af4 | 2013-03-26 12:15:26 +0000 | [diff] [blame] | 655 | if (arizona->pdata.reset) { |
| 656 | /* Start out with /RESET low to put the chip into reset */ |
| 657 | ret = gpio_request_one(arizona->pdata.reset, |
| 658 | GPIOF_DIR_OUT | GPIOF_INIT_LOW, |
| 659 | "arizona /RESET"); |
| 660 | if (ret != 0) { |
| 661 | dev_err(dev, "Failed to request /RESET: %d\n", ret); |
| 662 | goto err_early; |
| 663 | } |
| 664 | } |
| 665 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 666 | ret = regulator_bulk_enable(arizona->num_core_supplies, |
| 667 | arizona->core_supplies); |
| 668 | if (ret != 0) { |
| 669 | dev_err(dev, "Failed to enable core supplies: %d\n", |
| 670 | ret); |
| 671 | goto err_early; |
| 672 | } |
| 673 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 674 | ret = regulator_enable(arizona->dcvdd); |
| 675 | if (ret != 0) { |
| 676 | dev_err(dev, "Failed to enable DCVDD: %d\n", ret); |
| 677 | goto err_enable; |
| 678 | } |
| 679 | |
Charles Keepax | c25feaa | 2013-04-03 12:53:37 +0100 | [diff] [blame] | 680 | if (arizona->pdata.reset) { |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 681 | gpio_set_value_cansleep(arizona->pdata.reset, 1); |
Charles Keepax | c25feaa | 2013-04-03 12:53:37 +0100 | [diff] [blame] | 682 | msleep(1); |
| 683 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 684 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 685 | regcache_cache_only(arizona->regmap, false); |
| 686 | |
Mark Brown | ca76ceb | 2013-04-09 16:04:35 +0100 | [diff] [blame] | 687 | /* Verify that this is a chip we know about */ |
| 688 | ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); |
| 689 | if (ret != 0) { |
| 690 | dev_err(dev, "Failed to read ID register: %d\n", ret); |
| 691 | goto err_reset; |
| 692 | } |
| 693 | |
| 694 | switch (reg) { |
| 695 | case 0x5102: |
| 696 | case 0x5110: |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 697 | case 0x8997: |
Mark Brown | ca76ceb | 2013-04-09 16:04:35 +0100 | [diff] [blame] | 698 | break; |
| 699 | default: |
| 700 | dev_err(arizona->dev, "Unknown device ID: %x\n", reg); |
| 701 | goto err_reset; |
| 702 | } |
| 703 | |
| 704 | /* If we have a /RESET GPIO we'll already be reset */ |
| 705 | if (!arizona->pdata.reset) { |
| 706 | regcache_mark_dirty(arizona->regmap); |
| 707 | |
| 708 | ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); |
| 709 | if (ret != 0) { |
| 710 | dev_err(dev, "Failed to reset device: %d\n", ret); |
| 711 | goto err_reset; |
| 712 | } |
| 713 | |
| 714 | msleep(1); |
| 715 | |
| 716 | ret = regcache_sync(arizona->regmap); |
| 717 | if (ret != 0) { |
| 718 | dev_err(dev, "Failed to sync device: %d\n", ret); |
| 719 | goto err_reset; |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | /* Ensure device startup is complete */ |
| 724 | switch (arizona->type) { |
| 725 | case WM5102: |
| 726 | ret = regmap_read(arizona->regmap, 0x19, &val); |
| 727 | if (ret != 0) |
| 728 | dev_err(dev, |
| 729 | "Failed to check write sequencer state: %d\n", |
| 730 | ret); |
| 731 | else if (val & 0x01) |
| 732 | break; |
| 733 | /* Fall through */ |
| 734 | default: |
| 735 | ret = arizona_wait_for_boot(arizona); |
| 736 | if (ret != 0) { |
| 737 | dev_err(arizona->dev, |
| 738 | "Device failed initial boot: %d\n", ret); |
| 739 | goto err_reset; |
| 740 | } |
| 741 | break; |
| 742 | } |
| 743 | |
| 744 | /* Read the device ID information & do device specific stuff */ |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 745 | ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); |
| 746 | if (ret != 0) { |
| 747 | dev_err(dev, "Failed to read ID register: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 748 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION, |
| 752 | &arizona->rev); |
| 753 | if (ret != 0) { |
| 754 | dev_err(dev, "Failed to read revision register: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 755 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 756 | } |
| 757 | arizona->rev &= ARIZONA_DEVICE_REVISION_MASK; |
| 758 | |
| 759 | switch (reg) { |
Mark Brown | 863df8d | 2012-07-05 20:35:31 +0100 | [diff] [blame] | 760 | #ifdef CONFIG_MFD_WM5102 |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 761 | case 0x5102: |
| 762 | type_name = "WM5102"; |
| 763 | if (arizona->type != WM5102) { |
| 764 | dev_err(arizona->dev, "WM5102 registered as %d\n", |
| 765 | arizona->type); |
| 766 | arizona->type = WM5102; |
| 767 | } |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 768 | apply_patch = wm5102_patch; |
Mark Brown | c6d6bfb | 2013-03-26 11:14:52 +0000 | [diff] [blame] | 769 | arizona->rev &= 0x7; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 770 | break; |
Mark Brown | 863df8d | 2012-07-05 20:35:31 +0100 | [diff] [blame] | 771 | #endif |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 772 | #ifdef CONFIG_MFD_WM5110 |
| 773 | case 0x5110: |
| 774 | type_name = "WM5110"; |
| 775 | if (arizona->type != WM5110) { |
| 776 | dev_err(arizona->dev, "WM5110 registered as %d\n", |
| 777 | arizona->type); |
| 778 | arizona->type = WM5110; |
| 779 | } |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 780 | apply_patch = wm5110_patch; |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 781 | break; |
| 782 | #endif |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 783 | #ifdef CONFIG_MFD_WM8997 |
| 784 | case 0x8997: |
| 785 | type_name = "WM8997"; |
| 786 | if (arizona->type != WM8997) { |
| 787 | dev_err(arizona->dev, "WM8997 registered as %d\n", |
| 788 | arizona->type); |
| 789 | arizona->type = WM8997; |
| 790 | } |
| 791 | apply_patch = wm8997_patch; |
| 792 | break; |
| 793 | #endif |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 794 | default: |
| 795 | dev_err(arizona->dev, "Unknown device ID %x\n", reg); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 796 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); |
| 800 | |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 801 | if (apply_patch) { |
| 802 | ret = apply_patch(arizona); |
| 803 | if (ret != 0) { |
| 804 | dev_err(arizona->dev, "Failed to apply patch: %d\n", |
| 805 | ret); |
| 806 | goto err_reset; |
| 807 | } |
Charles Keepax | e80436b | 2013-03-26 18:46:15 +0000 | [diff] [blame] | 808 | |
| 809 | switch (arizona->type) { |
| 810 | case WM5102: |
| 811 | ret = arizona_apply_hardware_patch(arizona); |
| 812 | if (ret != 0) { |
| 813 | dev_err(arizona->dev, |
| 814 | "Failed to apply hardware patch: %d\n", |
| 815 | ret); |
| 816 | goto err_reset; |
| 817 | } |
| 818 | break; |
| 819 | default: |
| 820 | break; |
| 821 | } |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 822 | } |
| 823 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 824 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { |
| 825 | if (!arizona->pdata.gpio_defaults[i]) |
| 826 | continue; |
| 827 | |
| 828 | regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i, |
| 829 | arizona->pdata.gpio_defaults[i]); |
| 830 | } |
| 831 | |
Mark Brown | 5927467 | 2013-04-23 19:44:16 +0100 | [diff] [blame] | 832 | /* |
| 833 | * LDO1 can only be used to supply DCVDD so if it has no |
| 834 | * consumers then DCVDD is supplied externally. |
| 835 | */ |
| 836 | if (arizona->pdata.ldo1 && |
| 837 | arizona->pdata.ldo1->num_consumer_supplies == 0) |
| 838 | arizona->external_dcvdd = true; |
| 839 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 840 | pm_runtime_set_autosuspend_delay(arizona->dev, 100); |
| 841 | pm_runtime_use_autosuspend(arizona->dev); |
| 842 | pm_runtime_enable(arizona->dev); |
| 843 | |
| 844 | /* Chip default */ |
| 845 | if (!arizona->pdata.clk32k_src) |
| 846 | arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; |
| 847 | |
| 848 | switch (arizona->pdata.clk32k_src) { |
| 849 | case ARIZONA_32KZ_MCLK1: |
| 850 | case ARIZONA_32KZ_MCLK2: |
| 851 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 852 | ARIZONA_CLK_32K_SRC_MASK, |
| 853 | arizona->pdata.clk32k_src - 1); |
Mark Brown | 767c6dc | 2013-03-19 19:04:46 +0100 | [diff] [blame] | 854 | arizona_clk32k_enable(arizona); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 855 | break; |
| 856 | case ARIZONA_32KZ_NONE: |
| 857 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 858 | ARIZONA_CLK_32K_SRC_MASK, 2); |
| 859 | break; |
| 860 | default: |
| 861 | dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n", |
| 862 | arizona->pdata.clk32k_src); |
| 863 | ret = -EINVAL; |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 864 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 865 | } |
| 866 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 867 | for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) { |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 868 | if (!arizona->pdata.micbias[i].mV && |
| 869 | !arizona->pdata.micbias[i].bypass) |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 870 | continue; |
| 871 | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 872 | /* Apply default for bypass mode */ |
| 873 | if (!arizona->pdata.micbias[i].mV) |
| 874 | arizona->pdata.micbias[i].mV = 2800; |
| 875 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 876 | val = (arizona->pdata.micbias[i].mV - 1500) / 100; |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 877 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 878 | val <<= ARIZONA_MICB1_LVL_SHIFT; |
| 879 | |
| 880 | if (arizona->pdata.micbias[i].ext_cap) |
| 881 | val |= ARIZONA_MICB1_EXT_CAP; |
| 882 | |
| 883 | if (arizona->pdata.micbias[i].discharge) |
| 884 | val |= ARIZONA_MICB1_DISCH; |
| 885 | |
Charles Keepax | f773fc6 | 2013-05-21 14:56:58 +0100 | [diff] [blame] | 886 | if (arizona->pdata.micbias[i].soft_start) |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 887 | val |= ARIZONA_MICB1_RATE; |
| 888 | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 889 | if (arizona->pdata.micbias[i].bypass) |
| 890 | val |= ARIZONA_MICB1_BYPASS; |
| 891 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 892 | regmap_update_bits(arizona->regmap, |
| 893 | ARIZONA_MIC_BIAS_CTRL_1 + i, |
| 894 | ARIZONA_MICB1_LVL_MASK | |
| 895 | ARIZONA_MICB1_DISCH | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 896 | ARIZONA_MICB1_BYPASS | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 897 | ARIZONA_MICB1_RATE, val); |
| 898 | } |
| 899 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 900 | for (i = 0; i < ARIZONA_MAX_INPUT; i++) { |
| 901 | /* Default for both is 0 so noop with defaults */ |
| 902 | val = arizona->pdata.dmic_ref[i] |
| 903 | << ARIZONA_IN1_DMIC_SUP_SHIFT; |
| 904 | val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT; |
| 905 | |
| 906 | regmap_update_bits(arizona->regmap, |
| 907 | ARIZONA_IN1L_CONTROL + (i * 8), |
| 908 | ARIZONA_IN1_DMIC_SUP_MASK | |
| 909 | ARIZONA_IN1_MODE_MASK, val); |
| 910 | } |
| 911 | |
| 912 | for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) { |
| 913 | /* Default is 0 so noop with defaults */ |
| 914 | if (arizona->pdata.out_mono[i]) |
| 915 | val = ARIZONA_OUT1_MONO; |
| 916 | else |
| 917 | val = 0; |
| 918 | |
| 919 | regmap_update_bits(arizona->regmap, |
| 920 | ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8), |
| 921 | ARIZONA_OUT1_MONO, val); |
| 922 | } |
| 923 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 924 | for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) { |
| 925 | if (arizona->pdata.spk_mute[i]) |
| 926 | regmap_update_bits(arizona->regmap, |
Mark Brown | 2a51da0 | 2012-07-09 19:33:14 +0100 | [diff] [blame] | 927 | ARIZONA_PDM_SPK1_CTRL_1 + (i * 2), |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 928 | ARIZONA_SPK1_MUTE_ENDIAN_MASK | |
| 929 | ARIZONA_SPK1_MUTE_SEQ1_MASK, |
| 930 | arizona->pdata.spk_mute[i]); |
| 931 | |
| 932 | if (arizona->pdata.spk_fmt[i]) |
| 933 | regmap_update_bits(arizona->regmap, |
Mark Brown | 2a51da0 | 2012-07-09 19:33:14 +0100 | [diff] [blame] | 934 | ARIZONA_PDM_SPK1_CTRL_2 + (i * 2), |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 935 | ARIZONA_SPK1_FMT_MASK, |
| 936 | arizona->pdata.spk_fmt[i]); |
| 937 | } |
| 938 | |
| 939 | /* Set up for interrupts */ |
| 940 | ret = arizona_irq_init(arizona); |
| 941 | if (ret != 0) |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 942 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 943 | |
| 944 | arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", |
| 945 | arizona_clkgen_err, arizona); |
| 946 | arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", |
| 947 | arizona_overclocked, arizona); |
| 948 | arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked", |
| 949 | arizona_underclocked, arizona); |
| 950 | |
| 951 | switch (arizona->type) { |
| 952 | case WM5102: |
| 953 | ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, |
Mark Brown | 0848c94 | 2012-09-11 15:16:36 +0800 | [diff] [blame] | 954 | ARRAY_SIZE(wm5102_devs), NULL, 0, NULL); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 955 | break; |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 956 | case WM5110: |
| 957 | ret = mfd_add_devices(arizona->dev, -1, wm5110_devs, |
Charles Keepax | 78566af | 2012-11-20 13:46:19 +0900 | [diff] [blame] | 958 | ARRAY_SIZE(wm5110_devs), NULL, 0, NULL); |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 959 | break; |
Charles Keepax | dc7d486 | 2013-06-13 09:43:29 +0100 | [diff] [blame] | 960 | case WM8997: |
| 961 | ret = mfd_add_devices(arizona->dev, -1, wm8997_devs, |
| 962 | ARRAY_SIZE(wm8997_devs), NULL, 0, NULL); |
| 963 | break; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 964 | } |
| 965 | |
| 966 | if (ret != 0) { |
| 967 | dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret); |
| 968 | goto err_irq; |
| 969 | } |
| 970 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 971 | #ifdef CONFIG_PM_RUNTIME |
| 972 | regulator_disable(arizona->dcvdd); |
| 973 | #endif |
| 974 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 975 | return 0; |
| 976 | |
| 977 | err_irq: |
| 978 | arizona_irq_exit(arizona); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 979 | err_reset: |
| 980 | if (arizona->pdata.reset) { |
Mark Brown | 87d3af4 | 2013-03-26 12:15:26 +0000 | [diff] [blame] | 981 | gpio_set_value_cansleep(arizona->pdata.reset, 0); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 982 | gpio_free(arizona->pdata.reset); |
| 983 | } |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 984 | regulator_disable(arizona->dcvdd); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 985 | err_enable: |
Mark Brown | 3a36a0db | 2012-07-09 00:45:53 +0200 | [diff] [blame] | 986 | regulator_bulk_disable(arizona->num_core_supplies, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 987 | arizona->core_supplies); |
| 988 | err_early: |
| 989 | mfd_remove_devices(dev); |
| 990 | return ret; |
| 991 | } |
| 992 | EXPORT_SYMBOL_GPL(arizona_dev_init); |
| 993 | |
Bill Pemberton | 4740f73 | 2012-11-19 13:26:01 -0500 | [diff] [blame] | 994 | int arizona_dev_exit(struct arizona *arizona) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 995 | { |
| 996 | mfd_remove_devices(arizona->dev); |
| 997 | arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona); |
| 998 | arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona); |
| 999 | arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona); |
| 1000 | pm_runtime_disable(arizona->dev); |
| 1001 | arizona_irq_exit(arizona); |
Mark Brown | 1d017b6 | 2013-03-26 12:16:26 +0000 | [diff] [blame] | 1002 | if (arizona->pdata.reset) |
| 1003 | gpio_set_value_cansleep(arizona->pdata.reset, 0); |
| 1004 | regulator_disable(arizona->dcvdd); |
| 1005 | regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies), |
| 1006 | arizona->core_supplies); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 1007 | return 0; |
| 1008 | } |
| 1009 | EXPORT_SYMBOL_GPL(arizona_dev_exit); |