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> |
| 19 | #include <linux/pm_runtime.h> |
| 20 | #include <linux/regmap.h> |
| 21 | #include <linux/regulator/consumer.h> |
| 22 | #include <linux/slab.h> |
| 23 | |
| 24 | #include <linux/mfd/arizona/core.h> |
| 25 | #include <linux/mfd/arizona/registers.h> |
| 26 | |
| 27 | #include "arizona.h" |
| 28 | |
| 29 | static const char *wm5102_core_supplies[] = { |
| 30 | "AVDD", |
| 31 | "DBVDD1", |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 32 | }; |
| 33 | |
| 34 | int arizona_clk32k_enable(struct arizona *arizona) |
| 35 | { |
| 36 | int ret = 0; |
| 37 | |
| 38 | mutex_lock(&arizona->clk_lock); |
| 39 | |
| 40 | arizona->clk32k_ref++; |
| 41 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 42 | if (arizona->clk32k_ref == 1) { |
| 43 | switch (arizona->pdata.clk32k_src) { |
| 44 | case ARIZONA_32KZ_MCLK1: |
| 45 | ret = pm_runtime_get_sync(arizona->dev); |
| 46 | if (ret != 0) |
| 47 | goto out; |
| 48 | break; |
| 49 | } |
| 50 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 51 | ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 52 | ARIZONA_CLK_32K_ENA, |
| 53 | ARIZONA_CLK_32K_ENA); |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 54 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 55 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 56 | out: |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 57 | if (ret != 0) |
| 58 | arizona->clk32k_ref--; |
| 59 | |
| 60 | mutex_unlock(&arizona->clk_lock); |
| 61 | |
| 62 | return ret; |
| 63 | } |
| 64 | EXPORT_SYMBOL_GPL(arizona_clk32k_enable); |
| 65 | |
| 66 | int arizona_clk32k_disable(struct arizona *arizona) |
| 67 | { |
| 68 | int ret = 0; |
| 69 | |
| 70 | mutex_lock(&arizona->clk_lock); |
| 71 | |
| 72 | BUG_ON(arizona->clk32k_ref <= 0); |
| 73 | |
| 74 | arizona->clk32k_ref--; |
| 75 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 76 | if (arizona->clk32k_ref == 0) { |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 77 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 78 | ARIZONA_CLK_32K_ENA, 0); |
| 79 | |
Mark Brown | 247fa19 | 2013-03-19 14:47:47 +0100 | [diff] [blame] | 80 | switch (arizona->pdata.clk32k_src) { |
| 81 | case ARIZONA_32KZ_MCLK1: |
| 82 | pm_runtime_put_sync(arizona->dev); |
| 83 | break; |
| 84 | } |
| 85 | } |
| 86 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 87 | mutex_unlock(&arizona->clk_lock); |
| 88 | |
| 89 | return ret; |
| 90 | } |
| 91 | EXPORT_SYMBOL_GPL(arizona_clk32k_disable); |
| 92 | |
| 93 | static irqreturn_t arizona_clkgen_err(int irq, void *data) |
| 94 | { |
| 95 | struct arizona *arizona = data; |
| 96 | |
| 97 | dev_err(arizona->dev, "CLKGEN error\n"); |
| 98 | |
| 99 | return IRQ_HANDLED; |
| 100 | } |
| 101 | |
| 102 | static irqreturn_t arizona_underclocked(int irq, void *data) |
| 103 | { |
| 104 | struct arizona *arizona = data; |
| 105 | unsigned int val; |
| 106 | int ret; |
| 107 | |
| 108 | ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8, |
| 109 | &val); |
| 110 | if (ret != 0) { |
| 111 | dev_err(arizona->dev, "Failed to read underclock status: %d\n", |
| 112 | ret); |
| 113 | return IRQ_NONE; |
| 114 | } |
| 115 | |
| 116 | if (val & ARIZONA_AIF3_UNDERCLOCKED_STS) |
| 117 | dev_err(arizona->dev, "AIF3 underclocked\n"); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 118 | if (val & ARIZONA_AIF2_UNDERCLOCKED_STS) |
Charles Keepax | 3ebef34 | 2012-11-20 13:46:20 +0900 | [diff] [blame] | 119 | dev_err(arizona->dev, "AIF2 underclocked\n"); |
| 120 | if (val & ARIZONA_AIF1_UNDERCLOCKED_STS) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 121 | dev_err(arizona->dev, "AIF1 underclocked\n"); |
| 122 | if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS) |
| 123 | dev_err(arizona->dev, "ISRC2 underclocked\n"); |
| 124 | if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS) |
| 125 | dev_err(arizona->dev, "ISRC1 underclocked\n"); |
| 126 | if (val & ARIZONA_FX_UNDERCLOCKED_STS) |
| 127 | dev_err(arizona->dev, "FX underclocked\n"); |
| 128 | if (val & ARIZONA_ASRC_UNDERCLOCKED_STS) |
| 129 | dev_err(arizona->dev, "ASRC underclocked\n"); |
| 130 | if (val & ARIZONA_DAC_UNDERCLOCKED_STS) |
| 131 | dev_err(arizona->dev, "DAC underclocked\n"); |
| 132 | if (val & ARIZONA_ADC_UNDERCLOCKED_STS) |
| 133 | dev_err(arizona->dev, "ADC underclocked\n"); |
| 134 | if (val & ARIZONA_MIXER_UNDERCLOCKED_STS) |
Mark Brown | 648a988 | 2013-01-28 00:32:53 +0800 | [diff] [blame] | 135 | dev_err(arizona->dev, "Mixer dropped sample\n"); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 136 | |
| 137 | return IRQ_HANDLED; |
| 138 | } |
| 139 | |
| 140 | static irqreturn_t arizona_overclocked(int irq, void *data) |
| 141 | { |
| 142 | struct arizona *arizona = data; |
| 143 | unsigned int val[2]; |
| 144 | int ret; |
| 145 | |
| 146 | ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6, |
| 147 | &val[0], 2); |
| 148 | if (ret != 0) { |
| 149 | dev_err(arizona->dev, "Failed to read overclock status: %d\n", |
| 150 | ret); |
| 151 | return IRQ_NONE; |
| 152 | } |
| 153 | |
| 154 | if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS) |
| 155 | dev_err(arizona->dev, "PWM overclocked\n"); |
| 156 | if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS) |
| 157 | dev_err(arizona->dev, "FX core overclocked\n"); |
| 158 | if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS) |
| 159 | dev_err(arizona->dev, "DAC SYS overclocked\n"); |
| 160 | if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS) |
| 161 | dev_err(arizona->dev, "DAC WARP overclocked\n"); |
| 162 | if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS) |
| 163 | dev_err(arizona->dev, "ADC overclocked\n"); |
| 164 | if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS) |
| 165 | dev_err(arizona->dev, "Mixer overclocked\n"); |
| 166 | if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS) |
| 167 | dev_err(arizona->dev, "AIF3 overclocked\n"); |
| 168 | if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS) |
| 169 | dev_err(arizona->dev, "AIF2 overclocked\n"); |
| 170 | if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS) |
| 171 | dev_err(arizona->dev, "AIF1 overclocked\n"); |
| 172 | if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS) |
| 173 | dev_err(arizona->dev, "Pad control overclocked\n"); |
| 174 | |
| 175 | if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS) |
| 176 | dev_err(arizona->dev, "Slimbus subsystem overclocked\n"); |
| 177 | if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS) |
| 178 | dev_err(arizona->dev, "Slimbus async overclocked\n"); |
| 179 | if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS) |
| 180 | dev_err(arizona->dev, "Slimbus sync overclocked\n"); |
| 181 | if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS) |
| 182 | dev_err(arizona->dev, "ASRC async system overclocked\n"); |
| 183 | if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS) |
| 184 | dev_err(arizona->dev, "ASRC async WARP overclocked\n"); |
| 185 | if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS) |
| 186 | dev_err(arizona->dev, "ASRC sync system overclocked\n"); |
| 187 | if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS) |
| 188 | dev_err(arizona->dev, "ASRC sync WARP overclocked\n"); |
| 189 | if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS) |
| 190 | dev_err(arizona->dev, "DSP1 overclocked\n"); |
| 191 | if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS) |
| 192 | dev_err(arizona->dev, "ISRC2 overclocked\n"); |
| 193 | if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS) |
| 194 | dev_err(arizona->dev, "ISRC1 overclocked\n"); |
| 195 | |
| 196 | return IRQ_HANDLED; |
| 197 | } |
| 198 | |
| 199 | static int arizona_wait_for_boot(struct arizona *arizona) |
| 200 | { |
| 201 | unsigned int reg; |
| 202 | int ret, i; |
| 203 | |
| 204 | /* |
| 205 | * We can't use an interrupt as we need to runtime resume to do so, |
| 206 | * we won't race with the interrupt handler as it'll be blocked on |
| 207 | * runtime resume. |
| 208 | */ |
| 209 | for (i = 0; i < 5; i++) { |
| 210 | msleep(1); |
| 211 | |
| 212 | ret = regmap_read(arizona->regmap, |
| 213 | ARIZONA_INTERRUPT_RAW_STATUS_5, ®); |
| 214 | if (ret != 0) { |
| 215 | dev_err(arizona->dev, "Failed to read boot state: %d\n", |
| 216 | ret); |
Mark Brown | cfe775c | 2012-07-05 20:35:30 +0100 | [diff] [blame] | 217 | continue; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | if (reg & ARIZONA_BOOT_DONE_STS) |
| 221 | break; |
| 222 | } |
| 223 | |
| 224 | if (reg & ARIZONA_BOOT_DONE_STS) { |
| 225 | regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5, |
| 226 | ARIZONA_BOOT_DONE_STS); |
| 227 | } else { |
| 228 | dev_err(arizona->dev, "Device boot timed out: %x\n", reg); |
| 229 | return -ETIMEDOUT; |
| 230 | } |
| 231 | |
| 232 | pm_runtime_mark_last_busy(arizona->dev); |
| 233 | |
| 234 | return 0; |
| 235 | } |
| 236 | |
| 237 | #ifdef CONFIG_PM_RUNTIME |
| 238 | static int arizona_runtime_resume(struct device *dev) |
| 239 | { |
| 240 | struct arizona *arizona = dev_get_drvdata(dev); |
| 241 | int ret; |
| 242 | |
Mark Brown | 508c829 | 2012-07-20 17:09:12 +0100 | [diff] [blame] | 243 | dev_dbg(arizona->dev, "Leaving AoD mode\n"); |
| 244 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 245 | ret = regulator_enable(arizona->dcvdd); |
| 246 | if (ret != 0) { |
| 247 | dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret); |
| 248 | return ret; |
| 249 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 250 | |
| 251 | regcache_cache_only(arizona->regmap, false); |
| 252 | |
| 253 | ret = arizona_wait_for_boot(arizona); |
Mark Brown | 5879f57 | 2012-07-05 20:35:29 +0100 | [diff] [blame] | 254 | if (ret != 0) { |
Mark Brown | 4816bd1 | 2013-01-14 15:50:38 +0900 | [diff] [blame] | 255 | goto err; |
Mark Brown | 5879f57 | 2012-07-05 20:35:29 +0100 | [diff] [blame] | 256 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 257 | |
Mark Brown | 9270bdf | 2013-01-04 17:16:12 +0000 | [diff] [blame] | 258 | ret = regcache_sync(arizona->regmap); |
| 259 | if (ret != 0) { |
| 260 | dev_err(arizona->dev, "Failed to restore register cache\n"); |
Mark Brown | 4816bd1 | 2013-01-14 15:50:38 +0900 | [diff] [blame] | 261 | goto err; |
Mark Brown | 9270bdf | 2013-01-04 17:16:12 +0000 | [diff] [blame] | 262 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 263 | |
| 264 | return 0; |
Mark Brown | 4816bd1 | 2013-01-14 15:50:38 +0900 | [diff] [blame] | 265 | |
| 266 | err: |
| 267 | regcache_cache_only(arizona->regmap, true); |
| 268 | regulator_disable(arizona->dcvdd); |
| 269 | return ret; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | static int arizona_runtime_suspend(struct device *dev) |
| 273 | { |
| 274 | struct arizona *arizona = dev_get_drvdata(dev); |
| 275 | |
Mark Brown | 508c829 | 2012-07-20 17:09:12 +0100 | [diff] [blame] | 276 | dev_dbg(arizona->dev, "Entering AoD mode\n"); |
| 277 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 278 | regulator_disable(arizona->dcvdd); |
| 279 | regcache_cache_only(arizona->regmap, true); |
| 280 | regcache_mark_dirty(arizona->regmap); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | #endif |
| 285 | |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 286 | #ifdef CONFIG_PM_SLEEP |
| 287 | static int arizona_resume_noirq(struct device *dev) |
| 288 | { |
| 289 | struct arizona *arizona = dev_get_drvdata(dev); |
| 290 | |
| 291 | dev_dbg(arizona->dev, "Early resume, disabling IRQ\n"); |
| 292 | disable_irq(arizona->irq); |
| 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | static int arizona_resume(struct device *dev) |
| 298 | { |
| 299 | struct arizona *arizona = dev_get_drvdata(dev); |
| 300 | |
| 301 | dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n"); |
| 302 | enable_irq(arizona->irq); |
| 303 | |
| 304 | return 0; |
| 305 | } |
| 306 | #endif |
| 307 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 308 | const struct dev_pm_ops arizona_pm_ops = { |
| 309 | SET_RUNTIME_PM_OPS(arizona_runtime_suspend, |
| 310 | arizona_runtime_resume, |
| 311 | NULL) |
Mark Brown | dc781d0 | 2013-01-27 12:07:32 +0800 | [diff] [blame] | 312 | SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume) |
| 313 | #ifdef CONFIG_PM_SLEEP |
| 314 | .resume_noirq = arizona_resume_noirq, |
| 315 | #endif |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 316 | }; |
| 317 | EXPORT_SYMBOL_GPL(arizona_pm_ops); |
| 318 | |
| 319 | static struct mfd_cell early_devs[] = { |
| 320 | { .name = "arizona-ldo1" }, |
| 321 | }; |
| 322 | |
| 323 | static struct mfd_cell wm5102_devs[] = { |
Mark Brown | d776811 | 2012-12-20 15:38:03 +0000 | [diff] [blame] | 324 | { .name = "arizona-micsupp" }, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 325 | { .name = "arizona-extcon" }, |
| 326 | { .name = "arizona-gpio" }, |
Mark Brown | 503b1ca | 2012-11-27 17:36:38 +0000 | [diff] [blame] | 327 | { .name = "arizona-haptics" }, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 328 | { .name = "arizona-pwm" }, |
| 329 | { .name = "wm5102-codec" }, |
| 330 | }; |
| 331 | |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 332 | static struct mfd_cell wm5110_devs[] = { |
Mark Brown | d776811 | 2012-12-20 15:38:03 +0000 | [diff] [blame] | 333 | { .name = "arizona-micsupp" }, |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 334 | { .name = "arizona-extcon" }, |
| 335 | { .name = "arizona-gpio" }, |
Mark Brown | 503b1ca | 2012-11-27 17:36:38 +0000 | [diff] [blame] | 336 | { .name = "arizona-haptics" }, |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 337 | { .name = "arizona-pwm" }, |
| 338 | { .name = "wm5110-codec" }, |
| 339 | }; |
| 340 | |
Bill Pemberton | f791be4 | 2012-11-19 13:23:04 -0500 | [diff] [blame] | 341 | int arizona_dev_init(struct arizona *arizona) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 342 | { |
| 343 | struct device *dev = arizona->dev; |
| 344 | const char *type_name; |
| 345 | unsigned int reg, val; |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 346 | int (*apply_patch)(struct arizona *) = NULL; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 347 | int ret, i; |
| 348 | |
| 349 | dev_set_drvdata(arizona->dev, arizona); |
| 350 | mutex_init(&arizona->clk_lock); |
| 351 | |
| 352 | if (dev_get_platdata(arizona->dev)) |
| 353 | memcpy(&arizona->pdata, dev_get_platdata(arizona->dev), |
| 354 | sizeof(arizona->pdata)); |
| 355 | |
| 356 | regcache_cache_only(arizona->regmap, true); |
| 357 | |
| 358 | switch (arizona->type) { |
| 359 | case WM5102: |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 360 | case WM5110: |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 361 | for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++) |
| 362 | arizona->core_supplies[i].supply |
| 363 | = wm5102_core_supplies[i]; |
| 364 | arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies); |
| 365 | break; |
| 366 | default: |
| 367 | dev_err(arizona->dev, "Unknown device type %d\n", |
| 368 | arizona->type); |
| 369 | return -EINVAL; |
| 370 | } |
| 371 | |
| 372 | ret = mfd_add_devices(arizona->dev, -1, early_devs, |
Mark Brown | 0848c94 | 2012-09-11 15:16:36 +0800 | [diff] [blame] | 373 | ARRAY_SIZE(early_devs), NULL, 0, NULL); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 374 | if (ret != 0) { |
| 375 | dev_err(dev, "Failed to add early children: %d\n", ret); |
| 376 | return ret; |
| 377 | } |
| 378 | |
| 379 | ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies, |
| 380 | arizona->core_supplies); |
| 381 | if (ret != 0) { |
| 382 | dev_err(dev, "Failed to request core supplies: %d\n", |
| 383 | ret); |
| 384 | goto err_early; |
| 385 | } |
| 386 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 387 | arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD"); |
| 388 | if (IS_ERR(arizona->dcvdd)) { |
| 389 | ret = PTR_ERR(arizona->dcvdd); |
| 390 | dev_err(dev, "Failed to request DCVDD: %d\n", ret); |
| 391 | goto err_early; |
| 392 | } |
| 393 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 394 | ret = regulator_bulk_enable(arizona->num_core_supplies, |
| 395 | arizona->core_supplies); |
| 396 | if (ret != 0) { |
| 397 | dev_err(dev, "Failed to enable core supplies: %d\n", |
| 398 | ret); |
| 399 | goto err_early; |
| 400 | } |
| 401 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 402 | ret = regulator_enable(arizona->dcvdd); |
| 403 | if (ret != 0) { |
| 404 | dev_err(dev, "Failed to enable DCVDD: %d\n", ret); |
| 405 | goto err_enable; |
| 406 | } |
| 407 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 408 | if (arizona->pdata.reset) { |
| 409 | /* Start out with /RESET low to put the chip into reset */ |
| 410 | ret = gpio_request_one(arizona->pdata.reset, |
| 411 | GPIOF_DIR_OUT | GPIOF_INIT_LOW, |
| 412 | "arizona /RESET"); |
| 413 | if (ret != 0) { |
| 414 | dev_err(dev, "Failed to request /RESET: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 415 | goto err_dcvdd; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | gpio_set_value_cansleep(arizona->pdata.reset, 1); |
| 419 | } |
| 420 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 421 | regcache_cache_only(arizona->regmap, false); |
| 422 | |
| 423 | ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); |
| 424 | if (ret != 0) { |
| 425 | dev_err(dev, "Failed to read ID register: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 426 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION, |
| 430 | &arizona->rev); |
| 431 | if (ret != 0) { |
| 432 | dev_err(dev, "Failed to read revision register: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 433 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 434 | } |
| 435 | arizona->rev &= ARIZONA_DEVICE_REVISION_MASK; |
| 436 | |
| 437 | switch (reg) { |
Mark Brown | 863df8d | 2012-07-05 20:35:31 +0100 | [diff] [blame] | 438 | #ifdef CONFIG_MFD_WM5102 |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 439 | case 0x5102: |
| 440 | type_name = "WM5102"; |
| 441 | if (arizona->type != WM5102) { |
| 442 | dev_err(arizona->dev, "WM5102 registered as %d\n", |
| 443 | arizona->type); |
| 444 | arizona->type = WM5102; |
| 445 | } |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 446 | apply_patch = wm5102_patch; |
Mark Brown | c6d6bfb | 2013-03-26 11:14:52 +0000 | [diff] [blame^] | 447 | arizona->rev &= 0x7; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 448 | break; |
Mark Brown | 863df8d | 2012-07-05 20:35:31 +0100 | [diff] [blame] | 449 | #endif |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 450 | #ifdef CONFIG_MFD_WM5110 |
| 451 | case 0x5110: |
| 452 | type_name = "WM5110"; |
| 453 | if (arizona->type != WM5110) { |
| 454 | dev_err(arizona->dev, "WM5110 registered as %d\n", |
| 455 | arizona->type); |
| 456 | arizona->type = WM5110; |
| 457 | } |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 458 | apply_patch = wm5110_patch; |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 459 | break; |
| 460 | #endif |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 461 | default: |
| 462 | dev_err(arizona->dev, "Unknown device ID %x\n", reg); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 463 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 464 | } |
| 465 | |
| 466 | dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); |
| 467 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 468 | /* If we have a /RESET GPIO we'll already be reset */ |
| 469 | if (!arizona->pdata.reset) { |
Charles Keepax | 46b9d13 | 2012-11-20 14:49:10 +0900 | [diff] [blame] | 470 | regcache_mark_dirty(arizona->regmap); |
| 471 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 472 | ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); |
| 473 | if (ret != 0) { |
| 474 | dev_err(dev, "Failed to reset device: %d\n", ret); |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 475 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 476 | } |
Charles Keepax | 46b9d13 | 2012-11-20 14:49:10 +0900 | [diff] [blame] | 477 | |
| 478 | ret = regcache_sync(arizona->regmap); |
| 479 | if (ret != 0) { |
| 480 | dev_err(dev, "Failed to sync device: %d\n", ret); |
| 481 | goto err_reset; |
| 482 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 483 | } |
| 484 | |
Mark Brown | af65a36 | 2012-07-09 11:56:43 +0100 | [diff] [blame] | 485 | ret = arizona_wait_for_boot(arizona); |
| 486 | if (ret != 0) { |
| 487 | dev_err(arizona->dev, "Device failed initial boot: %d\n", ret); |
| 488 | goto err_reset; |
| 489 | } |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 490 | |
Mark Brown | 62d62b5 | 2012-12-02 11:41:46 +0900 | [diff] [blame] | 491 | if (apply_patch) { |
| 492 | ret = apply_patch(arizona); |
| 493 | if (ret != 0) { |
| 494 | dev_err(arizona->dev, "Failed to apply patch: %d\n", |
| 495 | ret); |
| 496 | goto err_reset; |
| 497 | } |
| 498 | } |
| 499 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 500 | for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { |
| 501 | if (!arizona->pdata.gpio_defaults[i]) |
| 502 | continue; |
| 503 | |
| 504 | regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i, |
| 505 | arizona->pdata.gpio_defaults[i]); |
| 506 | } |
| 507 | |
| 508 | pm_runtime_set_autosuspend_delay(arizona->dev, 100); |
| 509 | pm_runtime_use_autosuspend(arizona->dev); |
| 510 | pm_runtime_enable(arizona->dev); |
| 511 | |
| 512 | /* Chip default */ |
| 513 | if (!arizona->pdata.clk32k_src) |
| 514 | arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; |
| 515 | |
| 516 | switch (arizona->pdata.clk32k_src) { |
| 517 | case ARIZONA_32KZ_MCLK1: |
| 518 | case ARIZONA_32KZ_MCLK2: |
| 519 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 520 | ARIZONA_CLK_32K_SRC_MASK, |
| 521 | arizona->pdata.clk32k_src - 1); |
Mark Brown | 767c6dc | 2013-03-19 19:04:46 +0100 | [diff] [blame] | 522 | arizona_clk32k_enable(arizona); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 523 | break; |
| 524 | case ARIZONA_32KZ_NONE: |
| 525 | regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, |
| 526 | ARIZONA_CLK_32K_SRC_MASK, 2); |
| 527 | break; |
| 528 | default: |
| 529 | dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n", |
| 530 | arizona->pdata.clk32k_src); |
| 531 | ret = -EINVAL; |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 532 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 533 | } |
| 534 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 535 | for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) { |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 536 | if (!arizona->pdata.micbias[i].mV && |
| 537 | !arizona->pdata.micbias[i].bypass) |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 538 | continue; |
| 539 | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 540 | /* Apply default for bypass mode */ |
| 541 | if (!arizona->pdata.micbias[i].mV) |
| 542 | arizona->pdata.micbias[i].mV = 2800; |
| 543 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 544 | val = (arizona->pdata.micbias[i].mV - 1500) / 100; |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 545 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 546 | val <<= ARIZONA_MICB1_LVL_SHIFT; |
| 547 | |
| 548 | if (arizona->pdata.micbias[i].ext_cap) |
| 549 | val |= ARIZONA_MICB1_EXT_CAP; |
| 550 | |
| 551 | if (arizona->pdata.micbias[i].discharge) |
| 552 | val |= ARIZONA_MICB1_DISCH; |
| 553 | |
| 554 | if (arizona->pdata.micbias[i].fast_start) |
| 555 | val |= ARIZONA_MICB1_RATE; |
| 556 | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 557 | if (arizona->pdata.micbias[i].bypass) |
| 558 | val |= ARIZONA_MICB1_BYPASS; |
| 559 | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 560 | regmap_update_bits(arizona->regmap, |
| 561 | ARIZONA_MIC_BIAS_CTRL_1 + i, |
| 562 | ARIZONA_MICB1_LVL_MASK | |
| 563 | ARIZONA_MICB1_DISCH | |
Mark Brown | 544c7aa | 2013-01-29 18:44:41 +0800 | [diff] [blame] | 564 | ARIZONA_MICB1_BYPASS | |
Mark Brown | 3d91f82 | 2013-01-29 00:47:37 +0800 | [diff] [blame] | 565 | ARIZONA_MICB1_RATE, val); |
| 566 | } |
| 567 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 568 | for (i = 0; i < ARIZONA_MAX_INPUT; i++) { |
| 569 | /* Default for both is 0 so noop with defaults */ |
| 570 | val = arizona->pdata.dmic_ref[i] |
| 571 | << ARIZONA_IN1_DMIC_SUP_SHIFT; |
| 572 | val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT; |
| 573 | |
| 574 | regmap_update_bits(arizona->regmap, |
| 575 | ARIZONA_IN1L_CONTROL + (i * 8), |
| 576 | ARIZONA_IN1_DMIC_SUP_MASK | |
| 577 | ARIZONA_IN1_MODE_MASK, val); |
| 578 | } |
| 579 | |
| 580 | for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) { |
| 581 | /* Default is 0 so noop with defaults */ |
| 582 | if (arizona->pdata.out_mono[i]) |
| 583 | val = ARIZONA_OUT1_MONO; |
| 584 | else |
| 585 | val = 0; |
| 586 | |
| 587 | regmap_update_bits(arizona->regmap, |
| 588 | ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8), |
| 589 | ARIZONA_OUT1_MONO, val); |
| 590 | } |
| 591 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 592 | for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) { |
| 593 | if (arizona->pdata.spk_mute[i]) |
| 594 | regmap_update_bits(arizona->regmap, |
Mark Brown | 2a51da0 | 2012-07-09 19:33:14 +0100 | [diff] [blame] | 595 | ARIZONA_PDM_SPK1_CTRL_1 + (i * 2), |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 596 | ARIZONA_SPK1_MUTE_ENDIAN_MASK | |
| 597 | ARIZONA_SPK1_MUTE_SEQ1_MASK, |
| 598 | arizona->pdata.spk_mute[i]); |
| 599 | |
| 600 | if (arizona->pdata.spk_fmt[i]) |
| 601 | regmap_update_bits(arizona->regmap, |
Mark Brown | 2a51da0 | 2012-07-09 19:33:14 +0100 | [diff] [blame] | 602 | ARIZONA_PDM_SPK1_CTRL_2 + (i * 2), |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 603 | ARIZONA_SPK1_FMT_MASK, |
| 604 | arizona->pdata.spk_fmt[i]); |
| 605 | } |
| 606 | |
| 607 | /* Set up for interrupts */ |
| 608 | ret = arizona_irq_init(arizona); |
| 609 | if (ret != 0) |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 610 | goto err_reset; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 611 | |
| 612 | arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", |
| 613 | arizona_clkgen_err, arizona); |
| 614 | arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", |
| 615 | arizona_overclocked, arizona); |
| 616 | arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked", |
| 617 | arizona_underclocked, arizona); |
| 618 | |
| 619 | switch (arizona->type) { |
| 620 | case WM5102: |
| 621 | ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, |
Mark Brown | 0848c94 | 2012-09-11 15:16:36 +0800 | [diff] [blame] | 622 | ARRAY_SIZE(wm5102_devs), NULL, 0, NULL); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 623 | break; |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 624 | case WM5110: |
| 625 | ret = mfd_add_devices(arizona->dev, -1, wm5110_devs, |
Charles Keepax | 78566af | 2012-11-20 13:46:19 +0900 | [diff] [blame] | 626 | ARRAY_SIZE(wm5110_devs), NULL, 0, NULL); |
Mark Brown | e102bef | 2012-07-10 12:37:58 +0100 | [diff] [blame] | 627 | break; |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | if (ret != 0) { |
| 631 | dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret); |
| 632 | goto err_irq; |
| 633 | } |
| 634 | |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 635 | #ifdef CONFIG_PM_RUNTIME |
| 636 | regulator_disable(arizona->dcvdd); |
| 637 | #endif |
| 638 | |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 639 | return 0; |
| 640 | |
| 641 | err_irq: |
| 642 | arizona_irq_exit(arizona); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 643 | err_reset: |
| 644 | if (arizona->pdata.reset) { |
| 645 | gpio_set_value_cansleep(arizona->pdata.reset, 1); |
| 646 | gpio_free(arizona->pdata.reset); |
| 647 | } |
Mark Brown | 59db969 | 2012-07-09 00:31:36 +0200 | [diff] [blame] | 648 | err_dcvdd: |
| 649 | regulator_disable(arizona->dcvdd); |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 650 | err_enable: |
Mark Brown | 3a36a0db | 2012-07-09 00:45:53 +0200 | [diff] [blame] | 651 | regulator_bulk_disable(arizona->num_core_supplies, |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 652 | arizona->core_supplies); |
| 653 | err_early: |
| 654 | mfd_remove_devices(dev); |
| 655 | return ret; |
| 656 | } |
| 657 | EXPORT_SYMBOL_GPL(arizona_dev_init); |
| 658 | |
Bill Pemberton | 4740f73 | 2012-11-19 13:26:01 -0500 | [diff] [blame] | 659 | int arizona_dev_exit(struct arizona *arizona) |
Mark Brown | 3cc7298 | 2012-06-19 16:31:53 +0100 | [diff] [blame] | 660 | { |
| 661 | mfd_remove_devices(arizona->dev); |
| 662 | arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona); |
| 663 | arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona); |
| 664 | arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona); |
| 665 | pm_runtime_disable(arizona->dev); |
| 666 | arizona_irq_exit(arizona); |
| 667 | return 0; |
| 668 | } |
| 669 | EXPORT_SYMBOL_GPL(arizona_dev_exit); |