Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1 | /* |
| 2 | * wm8904.c -- WM8904 ALSA SoC Audio driver |
| 3 | * |
| 4 | * Copyright 2009 Wolfson Microelectronics plc |
| 5 | * |
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 7 | * |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/moduleparam.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/pm.h> |
| 19 | #include <linux/i2c.h> |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 20 | #include <linux/regmap.h> |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 21 | #include <linux/regulator/consumer.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 22 | #include <linux/slab.h> |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/soc.h> |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 27 | #include <sound/initval.h> |
| 28 | #include <sound/tlv.h> |
| 29 | #include <sound/wm8904.h> |
| 30 | |
| 31 | #include "wm8904.h" |
| 32 | |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 33 | enum wm8904_type { |
| 34 | WM8904, |
| 35 | WM8912, |
| 36 | }; |
| 37 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 38 | #define WM8904_NUM_DCS_CHANNELS 4 |
| 39 | |
| 40 | #define WM8904_NUM_SUPPLIES 5 |
| 41 | static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = { |
| 42 | "DCVDD", |
| 43 | "DBVDD", |
| 44 | "AVDD", |
| 45 | "CPVDD", |
| 46 | "MICVDD", |
| 47 | }; |
| 48 | |
| 49 | /* codec private data */ |
| 50 | struct wm8904_priv { |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 51 | struct regmap *regmap; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 52 | |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 53 | enum wm8904_type devtype; |
| 54 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 55 | struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES]; |
| 56 | |
| 57 | struct wm8904_pdata *pdata; |
| 58 | |
| 59 | int deemph; |
| 60 | |
| 61 | /* Platform provided DRC configuration */ |
| 62 | const char **drc_texts; |
| 63 | int drc_cfg; |
| 64 | struct soc_enum drc_enum; |
| 65 | |
| 66 | /* Platform provided ReTune mobile configuration */ |
| 67 | int num_retune_mobile_texts; |
| 68 | const char **retune_mobile_texts; |
| 69 | int retune_mobile_cfg; |
| 70 | struct soc_enum retune_mobile_enum; |
| 71 | |
| 72 | /* FLL setup */ |
| 73 | int fll_src; |
| 74 | int fll_fref; |
| 75 | int fll_fout; |
| 76 | |
| 77 | /* Clocking configuration */ |
| 78 | unsigned int mclk_rate; |
| 79 | int sysclk_src; |
| 80 | unsigned int sysclk_rate; |
| 81 | |
| 82 | int tdm_width; |
| 83 | int tdm_slots; |
| 84 | int bclk; |
| 85 | int fs; |
| 86 | |
| 87 | /* DC servo configuration - cached offset values */ |
| 88 | int dcs_state[WM8904_NUM_DCS_CHANNELS]; |
| 89 | }; |
| 90 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 91 | static const struct reg_default wm8904_reg_defaults[] = { |
| 92 | { 4, 0x0018 }, /* R4 - Bias Control 0 */ |
| 93 | { 5, 0x0000 }, /* R5 - VMID Control 0 */ |
| 94 | { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */ |
| 95 | { 7, 0x0000 }, /* R7 - Mic Bias Control 1 */ |
| 96 | { 8, 0x0001 }, /* R8 - Analogue DAC 0 */ |
| 97 | { 9, 0x9696 }, /* R9 - mic Filter Control */ |
| 98 | { 10, 0x0001 }, /* R10 - Analogue ADC 0 */ |
| 99 | { 12, 0x0000 }, /* R12 - Power Management 0 */ |
| 100 | { 14, 0x0000 }, /* R14 - Power Management 2 */ |
| 101 | { 15, 0x0000 }, /* R15 - Power Management 3 */ |
| 102 | { 18, 0x0000 }, /* R18 - Power Management 6 */ |
| 103 | { 19, 0x945E }, /* R20 - Clock Rates 0 */ |
| 104 | { 21, 0x0C05 }, /* R21 - Clock Rates 1 */ |
| 105 | { 22, 0x0006 }, /* R22 - Clock Rates 2 */ |
| 106 | { 24, 0x0050 }, /* R24 - Audio Interface 0 */ |
| 107 | { 25, 0x000A }, /* R25 - Audio Interface 1 */ |
| 108 | { 26, 0x00E4 }, /* R26 - Audio Interface 2 */ |
| 109 | { 27, 0x0040 }, /* R27 - Audio Interface 3 */ |
| 110 | { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */ |
| 111 | { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */ |
| 112 | { 32, 0x0000 }, /* R32 - DAC Digital 0 */ |
| 113 | { 33, 0x0008 }, /* R33 - DAC Digital 1 */ |
| 114 | { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */ |
| 115 | { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */ |
| 116 | { 38, 0x0010 }, /* R38 - ADC Digital 0 */ |
| 117 | { 39, 0x0000 }, /* R39 - Digital Microphone 0 */ |
| 118 | { 40, 0x01AF }, /* R40 - DRC 0 */ |
| 119 | { 41, 0x3248 }, /* R41 - DRC 1 */ |
| 120 | { 42, 0x0000 }, /* R42 - DRC 2 */ |
| 121 | { 43, 0x0000 }, /* R43 - DRC 3 */ |
| 122 | { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */ |
| 123 | { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */ |
| 124 | { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */ |
| 125 | { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */ |
| 126 | { 57, 0x002D }, /* R57 - Analogue OUT1 Left */ |
| 127 | { 58, 0x002D }, /* R58 - Analogue OUT1 Right */ |
| 128 | { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */ |
| 129 | { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */ |
| 130 | { 61, 0x0000 }, /* R61 - Analogue OUT12 ZC */ |
| 131 | { 67, 0x0000 }, /* R67 - DC Servo 0 */ |
| 132 | { 69, 0xAAAA }, /* R69 - DC Servo 2 */ |
| 133 | { 71, 0xAAAA }, /* R71 - DC Servo 4 */ |
| 134 | { 72, 0xAAAA }, /* R72 - DC Servo 5 */ |
| 135 | { 90, 0x0000 }, /* R90 - Analogue HP 0 */ |
| 136 | { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */ |
| 137 | { 98, 0x0000 }, /* R98 - Charge Pump 0 */ |
| 138 | { 104, 0x0004 }, /* R104 - Class W 0 */ |
| 139 | { 108, 0x0000 }, /* R108 - Write Sequencer 0 */ |
| 140 | { 109, 0x0000 }, /* R109 - Write Sequencer 1 */ |
| 141 | { 110, 0x0000 }, /* R110 - Write Sequencer 2 */ |
| 142 | { 111, 0x0000 }, /* R111 - Write Sequencer 3 */ |
| 143 | { 112, 0x0000 }, /* R112 - Write Sequencer 4 */ |
| 144 | { 116, 0x0000 }, /* R116 - FLL Control 1 */ |
| 145 | { 117, 0x0007 }, /* R117 - FLL Control 2 */ |
| 146 | { 118, 0x0000 }, /* R118 - FLL Control 3 */ |
| 147 | { 119, 0x2EE0 }, /* R119 - FLL Control 4 */ |
| 148 | { 120, 0x0004 }, /* R120 - FLL Control 5 */ |
| 149 | { 121, 0x0014 }, /* R121 - GPIO Control 1 */ |
| 150 | { 122, 0x0010 }, /* R122 - GPIO Control 2 */ |
| 151 | { 123, 0x0010 }, /* R123 - GPIO Control 3 */ |
| 152 | { 124, 0x0000 }, /* R124 - GPIO Control 4 */ |
| 153 | { 126, 0x0000 }, /* R126 - Digital Pulls */ |
| 154 | { 128, 0xFFFF }, /* R128 - Interrupt Status Mask */ |
| 155 | { 129, 0x0000 }, /* R129 - Interrupt Polarity */ |
| 156 | { 130, 0x0000 }, /* R130 - Interrupt Debounce */ |
| 157 | { 134, 0x0000 }, /* R134 - EQ1 */ |
| 158 | { 135, 0x000C }, /* R135 - EQ2 */ |
| 159 | { 136, 0x000C }, /* R136 - EQ3 */ |
| 160 | { 137, 0x000C }, /* R137 - EQ4 */ |
| 161 | { 138, 0x000C }, /* R138 - EQ5 */ |
| 162 | { 139, 0x000C }, /* R139 - EQ6 */ |
| 163 | { 140, 0x0FCA }, /* R140 - EQ7 */ |
| 164 | { 141, 0x0400 }, /* R141 - EQ8 */ |
| 165 | { 142, 0x00D8 }, /* R142 - EQ9 */ |
| 166 | { 143, 0x1EB5 }, /* R143 - EQ10 */ |
| 167 | { 144, 0xF145 }, /* R144 - EQ11 */ |
| 168 | { 145, 0x0B75 }, /* R145 - EQ12 */ |
| 169 | { 146, 0x01C5 }, /* R146 - EQ13 */ |
| 170 | { 147, 0x1C58 }, /* R147 - EQ14 */ |
| 171 | { 148, 0xF373 }, /* R148 - EQ15 */ |
| 172 | { 149, 0x0A54 }, /* R149 - EQ16 */ |
| 173 | { 150, 0x0558 }, /* R150 - EQ17 */ |
| 174 | { 151, 0x168E }, /* R151 - EQ18 */ |
| 175 | { 152, 0xF829 }, /* R152 - EQ19 */ |
| 176 | { 153, 0x07AD }, /* R153 - EQ20 */ |
| 177 | { 154, 0x1103 }, /* R154 - EQ21 */ |
| 178 | { 155, 0x0564 }, /* R155 - EQ22 */ |
| 179 | { 156, 0x0559 }, /* R156 - EQ23 */ |
| 180 | { 157, 0x4000 }, /* R157 - EQ24 */ |
| 181 | { 161, 0x0000 }, /* R161 - Control Interface Test 1 */ |
| 182 | { 204, 0x0000 }, /* R204 - Analogue Output Bias 0 */ |
| 183 | { 247, 0x0000 }, /* R247 - FLL NCO Test 0 */ |
| 184 | { 248, 0x0019 }, /* R248 - FLL NCO Test 1 */ |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 185 | }; |
| 186 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 187 | static bool wm8904_volatile_register(struct device *dev, unsigned int reg) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 188 | { |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 189 | switch (reg) { |
| 190 | case WM8904_SW_RESET_AND_ID: |
| 191 | case WM8904_REVISION: |
| 192 | case WM8904_DC_SERVO_1: |
| 193 | case WM8904_DC_SERVO_6: |
| 194 | case WM8904_DC_SERVO_7: |
| 195 | case WM8904_DC_SERVO_8: |
| 196 | case WM8904_DC_SERVO_9: |
| 197 | case WM8904_DC_SERVO_READBACK_0: |
| 198 | case WM8904_INTERRUPT_STATUS: |
| 199 | return true; |
| 200 | default: |
| 201 | return false; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | static bool wm8904_readable_register(struct device *dev, unsigned int reg) |
| 206 | { |
| 207 | switch (reg) { |
| 208 | case WM8904_SW_RESET_AND_ID: |
| 209 | case WM8904_REVISION: |
| 210 | case WM8904_BIAS_CONTROL_0: |
| 211 | case WM8904_VMID_CONTROL_0: |
| 212 | case WM8904_MIC_BIAS_CONTROL_0: |
| 213 | case WM8904_MIC_BIAS_CONTROL_1: |
| 214 | case WM8904_ANALOGUE_DAC_0: |
| 215 | case WM8904_MIC_FILTER_CONTROL: |
| 216 | case WM8904_ANALOGUE_ADC_0: |
| 217 | case WM8904_POWER_MANAGEMENT_0: |
| 218 | case WM8904_POWER_MANAGEMENT_2: |
| 219 | case WM8904_POWER_MANAGEMENT_3: |
| 220 | case WM8904_POWER_MANAGEMENT_6: |
| 221 | case WM8904_CLOCK_RATES_0: |
| 222 | case WM8904_CLOCK_RATES_1: |
| 223 | case WM8904_CLOCK_RATES_2: |
| 224 | case WM8904_AUDIO_INTERFACE_0: |
| 225 | case WM8904_AUDIO_INTERFACE_1: |
| 226 | case WM8904_AUDIO_INTERFACE_2: |
| 227 | case WM8904_AUDIO_INTERFACE_3: |
| 228 | case WM8904_DAC_DIGITAL_VOLUME_LEFT: |
| 229 | case WM8904_DAC_DIGITAL_VOLUME_RIGHT: |
| 230 | case WM8904_DAC_DIGITAL_0: |
| 231 | case WM8904_DAC_DIGITAL_1: |
| 232 | case WM8904_ADC_DIGITAL_VOLUME_LEFT: |
| 233 | case WM8904_ADC_DIGITAL_VOLUME_RIGHT: |
| 234 | case WM8904_ADC_DIGITAL_0: |
| 235 | case WM8904_DIGITAL_MICROPHONE_0: |
| 236 | case WM8904_DRC_0: |
| 237 | case WM8904_DRC_1: |
| 238 | case WM8904_DRC_2: |
| 239 | case WM8904_DRC_3: |
| 240 | case WM8904_ANALOGUE_LEFT_INPUT_0: |
| 241 | case WM8904_ANALOGUE_RIGHT_INPUT_0: |
| 242 | case WM8904_ANALOGUE_LEFT_INPUT_1: |
| 243 | case WM8904_ANALOGUE_RIGHT_INPUT_1: |
| 244 | case WM8904_ANALOGUE_OUT1_LEFT: |
| 245 | case WM8904_ANALOGUE_OUT1_RIGHT: |
| 246 | case WM8904_ANALOGUE_OUT2_LEFT: |
| 247 | case WM8904_ANALOGUE_OUT2_RIGHT: |
| 248 | case WM8904_ANALOGUE_OUT12_ZC: |
| 249 | case WM8904_DC_SERVO_0: |
| 250 | case WM8904_DC_SERVO_1: |
| 251 | case WM8904_DC_SERVO_2: |
| 252 | case WM8904_DC_SERVO_4: |
| 253 | case WM8904_DC_SERVO_5: |
| 254 | case WM8904_DC_SERVO_6: |
| 255 | case WM8904_DC_SERVO_7: |
| 256 | case WM8904_DC_SERVO_8: |
| 257 | case WM8904_DC_SERVO_9: |
| 258 | case WM8904_DC_SERVO_READBACK_0: |
| 259 | case WM8904_ANALOGUE_HP_0: |
| 260 | case WM8904_ANALOGUE_LINEOUT_0: |
| 261 | case WM8904_CHARGE_PUMP_0: |
| 262 | case WM8904_CLASS_W_0: |
| 263 | case WM8904_WRITE_SEQUENCER_0: |
| 264 | case WM8904_WRITE_SEQUENCER_1: |
| 265 | case WM8904_WRITE_SEQUENCER_2: |
| 266 | case WM8904_WRITE_SEQUENCER_3: |
| 267 | case WM8904_WRITE_SEQUENCER_4: |
| 268 | case WM8904_FLL_CONTROL_1: |
| 269 | case WM8904_FLL_CONTROL_2: |
| 270 | case WM8904_FLL_CONTROL_3: |
| 271 | case WM8904_FLL_CONTROL_4: |
| 272 | case WM8904_FLL_CONTROL_5: |
| 273 | case WM8904_GPIO_CONTROL_1: |
| 274 | case WM8904_GPIO_CONTROL_2: |
| 275 | case WM8904_GPIO_CONTROL_3: |
| 276 | case WM8904_GPIO_CONTROL_4: |
| 277 | case WM8904_DIGITAL_PULLS: |
| 278 | case WM8904_INTERRUPT_STATUS: |
| 279 | case WM8904_INTERRUPT_STATUS_MASK: |
| 280 | case WM8904_INTERRUPT_POLARITY: |
| 281 | case WM8904_INTERRUPT_DEBOUNCE: |
| 282 | case WM8904_EQ1: |
| 283 | case WM8904_EQ2: |
| 284 | case WM8904_EQ3: |
| 285 | case WM8904_EQ4: |
| 286 | case WM8904_EQ5: |
| 287 | case WM8904_EQ6: |
| 288 | case WM8904_EQ7: |
| 289 | case WM8904_EQ8: |
| 290 | case WM8904_EQ9: |
| 291 | case WM8904_EQ10: |
| 292 | case WM8904_EQ11: |
| 293 | case WM8904_EQ12: |
| 294 | case WM8904_EQ13: |
| 295 | case WM8904_EQ14: |
| 296 | case WM8904_EQ15: |
| 297 | case WM8904_EQ16: |
| 298 | case WM8904_EQ17: |
| 299 | case WM8904_EQ18: |
| 300 | case WM8904_EQ19: |
| 301 | case WM8904_EQ20: |
| 302 | case WM8904_EQ21: |
| 303 | case WM8904_EQ22: |
| 304 | case WM8904_EQ23: |
| 305 | case WM8904_EQ24: |
| 306 | case WM8904_CONTROL_INTERFACE_TEST_1: |
Mark Brown | 9b85fc9 | 2012-01-07 18:02:57 -0800 | [diff] [blame] | 307 | case WM8904_ADC_TEST_0: |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 308 | case WM8904_ANALOGUE_OUTPUT_BIAS_0: |
| 309 | case WM8904_FLL_NCO_TEST_0: |
| 310 | case WM8904_FLL_NCO_TEST_1: |
| 311 | return true; |
| 312 | default: |
| 313 | return true; |
| 314 | } |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | static int wm8904_reset(struct snd_soc_codec *codec) |
| 318 | { |
| 319 | return snd_soc_write(codec, WM8904_SW_RESET_AND_ID, 0); |
| 320 | } |
| 321 | |
| 322 | static int wm8904_configure_clocking(struct snd_soc_codec *codec) |
| 323 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 324 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 325 | unsigned int clock0, clock2, rate; |
| 326 | |
| 327 | /* Gate the clock while we're updating to avoid misclocking */ |
| 328 | clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); |
| 329 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, |
| 330 | WM8904_SYSCLK_SRC, 0); |
| 331 | |
| 332 | /* This should be done on init() for bypass paths */ |
| 333 | switch (wm8904->sysclk_src) { |
| 334 | case WM8904_CLK_MCLK: |
| 335 | dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8904->mclk_rate); |
| 336 | |
| 337 | clock2 &= ~WM8904_SYSCLK_SRC; |
| 338 | rate = wm8904->mclk_rate; |
| 339 | |
| 340 | /* Ensure the FLL is stopped */ |
| 341 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 342 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); |
| 343 | break; |
| 344 | |
| 345 | case WM8904_CLK_FLL: |
| 346 | dev_dbg(codec->dev, "Using %dHz FLL clock\n", |
| 347 | wm8904->fll_fout); |
| 348 | |
| 349 | clock2 |= WM8904_SYSCLK_SRC; |
| 350 | rate = wm8904->fll_fout; |
| 351 | break; |
| 352 | |
| 353 | default: |
| 354 | dev_err(codec->dev, "System clock not configured\n"); |
| 355 | return -EINVAL; |
| 356 | } |
| 357 | |
| 358 | /* SYSCLK shouldn't be over 13.5MHz */ |
| 359 | if (rate > 13500000) { |
| 360 | clock0 = WM8904_MCLK_DIV; |
| 361 | wm8904->sysclk_rate = rate / 2; |
| 362 | } else { |
| 363 | clock0 = 0; |
| 364 | wm8904->sysclk_rate = rate; |
| 365 | } |
| 366 | |
| 367 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, WM8904_MCLK_DIV, |
| 368 | clock0); |
| 369 | |
| 370 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, |
| 371 | WM8904_CLK_SYS_ENA | WM8904_SYSCLK_SRC, clock2); |
| 372 | |
| 373 | dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate); |
| 374 | |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | static void wm8904_set_drc(struct snd_soc_codec *codec) |
| 379 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 380 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 381 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 382 | int save, i; |
| 383 | |
| 384 | /* Save any enables; the configuration should clear them. */ |
| 385 | save = snd_soc_read(codec, WM8904_DRC_0); |
| 386 | |
| 387 | for (i = 0; i < WM8904_DRC_REGS; i++) |
| 388 | snd_soc_update_bits(codec, WM8904_DRC_0 + i, 0xffff, |
| 389 | pdata->drc_cfgs[wm8904->drc_cfg].regs[i]); |
| 390 | |
| 391 | /* Reenable the DRC */ |
| 392 | snd_soc_update_bits(codec, WM8904_DRC_0, |
| 393 | WM8904_DRC_ENA | WM8904_DRC_DAC_PATH, save); |
| 394 | } |
| 395 | |
| 396 | static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol, |
| 397 | struct snd_ctl_elem_value *ucontrol) |
| 398 | { |
| 399 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 400 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 401 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 402 | int value = ucontrol->value.integer.value[0]; |
| 403 | |
| 404 | if (value >= pdata->num_drc_cfgs) |
| 405 | return -EINVAL; |
| 406 | |
| 407 | wm8904->drc_cfg = value; |
| 408 | |
| 409 | wm8904_set_drc(codec); |
| 410 | |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | static int wm8904_get_drc_enum(struct snd_kcontrol *kcontrol, |
| 415 | struct snd_ctl_elem_value *ucontrol) |
| 416 | { |
| 417 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 418 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 419 | |
| 420 | ucontrol->value.enumerated.item[0] = wm8904->drc_cfg; |
| 421 | |
| 422 | return 0; |
| 423 | } |
| 424 | |
| 425 | static void wm8904_set_retune_mobile(struct snd_soc_codec *codec) |
| 426 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 427 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 428 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 429 | int best, best_val, save, i, cfg; |
| 430 | |
| 431 | if (!pdata || !wm8904->num_retune_mobile_texts) |
| 432 | return; |
| 433 | |
| 434 | /* Find the version of the currently selected configuration |
| 435 | * with the nearest sample rate. */ |
| 436 | cfg = wm8904->retune_mobile_cfg; |
| 437 | best = 0; |
| 438 | best_val = INT_MAX; |
| 439 | for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { |
| 440 | if (strcmp(pdata->retune_mobile_cfgs[i].name, |
| 441 | wm8904->retune_mobile_texts[cfg]) == 0 && |
| 442 | abs(pdata->retune_mobile_cfgs[i].rate |
| 443 | - wm8904->fs) < best_val) { |
| 444 | best = i; |
| 445 | best_val = abs(pdata->retune_mobile_cfgs[i].rate |
| 446 | - wm8904->fs); |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | dev_dbg(codec->dev, "ReTune Mobile %s/%dHz for %dHz sample rate\n", |
| 451 | pdata->retune_mobile_cfgs[best].name, |
| 452 | pdata->retune_mobile_cfgs[best].rate, |
| 453 | wm8904->fs); |
| 454 | |
| 455 | /* The EQ will be disabled while reconfiguring it, remember the |
| 456 | * current configuration. |
| 457 | */ |
| 458 | save = snd_soc_read(codec, WM8904_EQ1); |
| 459 | |
| 460 | for (i = 0; i < WM8904_EQ_REGS; i++) |
| 461 | snd_soc_update_bits(codec, WM8904_EQ1 + i, 0xffff, |
| 462 | pdata->retune_mobile_cfgs[best].regs[i]); |
| 463 | |
| 464 | snd_soc_update_bits(codec, WM8904_EQ1, WM8904_EQ_ENA, save); |
| 465 | } |
| 466 | |
| 467 | static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, |
| 468 | struct snd_ctl_elem_value *ucontrol) |
| 469 | { |
| 470 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 471 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 472 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 473 | int value = ucontrol->value.integer.value[0]; |
| 474 | |
| 475 | if (value >= pdata->num_retune_mobile_cfgs) |
| 476 | return -EINVAL; |
| 477 | |
| 478 | wm8904->retune_mobile_cfg = value; |
| 479 | |
| 480 | wm8904_set_retune_mobile(codec); |
| 481 | |
| 482 | return 0; |
| 483 | } |
| 484 | |
| 485 | static int wm8904_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, |
| 486 | struct snd_ctl_elem_value *ucontrol) |
| 487 | { |
| 488 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 489 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 490 | |
| 491 | ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg; |
| 492 | |
| 493 | return 0; |
| 494 | } |
| 495 | |
| 496 | static int deemph_settings[] = { 0, 32000, 44100, 48000 }; |
| 497 | |
| 498 | static int wm8904_set_deemph(struct snd_soc_codec *codec) |
| 499 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 500 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 501 | int val, i, best; |
| 502 | |
| 503 | /* If we're using deemphasis select the nearest available sample |
| 504 | * rate. |
| 505 | */ |
| 506 | if (wm8904->deemph) { |
| 507 | best = 1; |
| 508 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { |
| 509 | if (abs(deemph_settings[i] - wm8904->fs) < |
| 510 | abs(deemph_settings[best] - wm8904->fs)) |
| 511 | best = i; |
| 512 | } |
| 513 | |
| 514 | val = best << WM8904_DEEMPH_SHIFT; |
| 515 | } else { |
| 516 | val = 0; |
| 517 | } |
| 518 | |
| 519 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); |
| 520 | |
| 521 | return snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, |
| 522 | WM8904_DEEMPH_MASK, val); |
| 523 | } |
| 524 | |
| 525 | static int wm8904_get_deemph(struct snd_kcontrol *kcontrol, |
| 526 | struct snd_ctl_elem_value *ucontrol) |
| 527 | { |
| 528 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 529 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 530 | |
Dmitry Artamonow | 3f343f8 | 2010-12-08 23:36:17 +0300 | [diff] [blame] | 531 | ucontrol->value.enumerated.item[0] = wm8904->deemph; |
| 532 | return 0; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | static int wm8904_put_deemph(struct snd_kcontrol *kcontrol, |
| 536 | struct snd_ctl_elem_value *ucontrol) |
| 537 | { |
| 538 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 539 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 540 | int deemph = ucontrol->value.enumerated.item[0]; |
| 541 | |
| 542 | if (deemph > 1) |
| 543 | return -EINVAL; |
| 544 | |
| 545 | wm8904->deemph = deemph; |
| 546 | |
| 547 | return wm8904_set_deemph(codec); |
| 548 | } |
| 549 | |
| 550 | static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); |
| 551 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); |
| 552 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
| 553 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); |
| 554 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); |
| 555 | |
| 556 | static const char *input_mode_text[] = { |
| 557 | "Single-Ended", "Differential Line", "Differential Mic" |
| 558 | }; |
| 559 | |
| 560 | static const struct soc_enum lin_mode = |
| 561 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text); |
| 562 | |
| 563 | static const struct soc_enum rin_mode = |
| 564 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text); |
| 565 | |
| 566 | static const char *hpf_mode_text[] = { |
| 567 | "Hi-fi", "Voice 1", "Voice 2", "Voice 3" |
| 568 | }; |
| 569 | |
| 570 | static const struct soc_enum hpf_mode = |
| 571 | SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text); |
| 572 | |
Mark Brown | 9b85fc9 | 2012-01-07 18:02:57 -0800 | [diff] [blame] | 573 | static int wm8904_adc_osr_put(struct snd_kcontrol *kcontrol, |
| 574 | struct snd_ctl_elem_value *ucontrol) |
| 575 | { |
| 576 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 577 | unsigned int val; |
| 578 | int ret; |
| 579 | |
| 580 | ret = snd_soc_put_volsw(kcontrol, ucontrol); |
| 581 | if (ret < 0) |
| 582 | return ret; |
| 583 | |
| 584 | if (ucontrol->value.integer.value[0]) |
| 585 | val = 0; |
| 586 | else |
| 587 | val = WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5; |
| 588 | |
| 589 | snd_soc_update_bits(codec, WM8904_ADC_TEST_0, |
| 590 | WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5, |
| 591 | val); |
| 592 | |
| 593 | return ret; |
| 594 | } |
| 595 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 596 | static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = { |
| 597 | SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT, |
| 598 | WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv), |
| 599 | |
| 600 | SOC_ENUM("Left Caputure Mode", lin_mode), |
| 601 | SOC_ENUM("Right Capture Mode", rin_mode), |
| 602 | |
| 603 | /* No TLV since it depends on mode */ |
| 604 | SOC_DOUBLE_R("Capture Volume", WM8904_ANALOGUE_LEFT_INPUT_0, |
| 605 | WM8904_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0), |
| 606 | SOC_DOUBLE_R("Capture Switch", WM8904_ANALOGUE_LEFT_INPUT_0, |
Hong Xu | 5a7c5f2 | 2011-10-28 15:36:39 +0800 | [diff] [blame] | 607 | WM8904_ANALOGUE_RIGHT_INPUT_0, 7, 1, 1), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 608 | |
| 609 | SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0), |
| 610 | SOC_ENUM("High Pass Filter Mode", hpf_mode), |
| 611 | |
Mark Brown | 9b85fc9 | 2012-01-07 18:02:57 -0800 | [diff] [blame] | 612 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 613 | .name = "ADC 128x OSR Switch", |
| 614 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, |
| 615 | .put = wm8904_adc_osr_put, |
| 616 | .private_value = SOC_SINGLE_VALUE(WM8904_ANALOGUE_ADC_0, 0, 1, 0), |
| 617 | }, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 618 | }; |
| 619 | |
| 620 | static const char *drc_path_text[] = { |
| 621 | "ADC", "DAC" |
| 622 | }; |
| 623 | |
| 624 | static const struct soc_enum drc_path = |
| 625 | SOC_ENUM_SINGLE(WM8904_DRC_0, 14, 2, drc_path_text); |
| 626 | |
| 627 | static const struct snd_kcontrol_new wm8904_dac_snd_controls[] = { |
| 628 | SOC_SINGLE_TLV("Digital Playback Boost Volume", |
| 629 | WM8904_AUDIO_INTERFACE_0, 9, 3, 0, dac_boost_tlv), |
| 630 | SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8904_DAC_DIGITAL_VOLUME_LEFT, |
| 631 | WM8904_DAC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv), |
| 632 | |
| 633 | SOC_DOUBLE_R_TLV("Headphone Volume", WM8904_ANALOGUE_OUT1_LEFT, |
| 634 | WM8904_ANALOGUE_OUT1_RIGHT, 0, 63, 0, out_tlv), |
| 635 | SOC_DOUBLE_R("Headphone Switch", WM8904_ANALOGUE_OUT1_LEFT, |
| 636 | WM8904_ANALOGUE_OUT1_RIGHT, 8, 1, 1), |
| 637 | SOC_DOUBLE_R("Headphone ZC Switch", WM8904_ANALOGUE_OUT1_LEFT, |
| 638 | WM8904_ANALOGUE_OUT1_RIGHT, 6, 1, 0), |
| 639 | |
| 640 | SOC_DOUBLE_R_TLV("Line Output Volume", WM8904_ANALOGUE_OUT2_LEFT, |
| 641 | WM8904_ANALOGUE_OUT2_RIGHT, 0, 63, 0, out_tlv), |
| 642 | SOC_DOUBLE_R("Line Output Switch", WM8904_ANALOGUE_OUT2_LEFT, |
| 643 | WM8904_ANALOGUE_OUT2_RIGHT, 8, 1, 1), |
| 644 | SOC_DOUBLE_R("Line Output ZC Switch", WM8904_ANALOGUE_OUT2_LEFT, |
| 645 | WM8904_ANALOGUE_OUT2_RIGHT, 6, 1, 0), |
| 646 | |
| 647 | SOC_SINGLE("EQ Switch", WM8904_EQ1, 0, 1, 0), |
| 648 | SOC_SINGLE("DRC Switch", WM8904_DRC_0, 15, 1, 0), |
| 649 | SOC_ENUM("DRC Path", drc_path), |
| 650 | SOC_SINGLE("DAC OSRx2 Switch", WM8904_DAC_DIGITAL_1, 6, 1, 0), |
| 651 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
| 652 | wm8904_get_deemph, wm8904_put_deemph), |
| 653 | }; |
| 654 | |
| 655 | static const struct snd_kcontrol_new wm8904_snd_controls[] = { |
| 656 | SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8904_DAC_DIGITAL_0, 4, 8, 15, 0, |
| 657 | sidetone_tlv), |
| 658 | }; |
| 659 | |
| 660 | static const struct snd_kcontrol_new wm8904_eq_controls[] = { |
| 661 | SOC_SINGLE_TLV("EQ1 Volume", WM8904_EQ2, 0, 24, 0, eq_tlv), |
| 662 | SOC_SINGLE_TLV("EQ2 Volume", WM8904_EQ3, 0, 24, 0, eq_tlv), |
| 663 | SOC_SINGLE_TLV("EQ3 Volume", WM8904_EQ4, 0, 24, 0, eq_tlv), |
| 664 | SOC_SINGLE_TLV("EQ4 Volume", WM8904_EQ5, 0, 24, 0, eq_tlv), |
| 665 | SOC_SINGLE_TLV("EQ5 Volume", WM8904_EQ6, 0, 24, 0, eq_tlv), |
| 666 | }; |
| 667 | |
| 668 | static int cp_event(struct snd_soc_dapm_widget *w, |
| 669 | struct snd_kcontrol *kcontrol, int event) |
| 670 | { |
| 671 | BUG_ON(event != SND_SOC_DAPM_POST_PMU); |
| 672 | |
| 673 | /* Maximum startup time */ |
| 674 | udelay(500); |
| 675 | |
| 676 | return 0; |
| 677 | } |
| 678 | |
| 679 | static int sysclk_event(struct snd_soc_dapm_widget *w, |
| 680 | struct snd_kcontrol *kcontrol, int event) |
| 681 | { |
| 682 | struct snd_soc_codec *codec = w->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 683 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 684 | |
| 685 | switch (event) { |
| 686 | case SND_SOC_DAPM_PRE_PMU: |
| 687 | /* If we're using the FLL then we only start it when |
| 688 | * required; we assume that the configuration has been |
| 689 | * done previously and all we need to do is kick it |
| 690 | * off. |
| 691 | */ |
| 692 | switch (wm8904->sysclk_src) { |
| 693 | case WM8904_CLK_FLL: |
| 694 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 695 | WM8904_FLL_OSC_ENA, |
| 696 | WM8904_FLL_OSC_ENA); |
| 697 | |
| 698 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 699 | WM8904_FLL_ENA, |
| 700 | WM8904_FLL_ENA); |
| 701 | break; |
| 702 | |
| 703 | default: |
| 704 | break; |
| 705 | } |
| 706 | break; |
| 707 | |
| 708 | case SND_SOC_DAPM_POST_PMD: |
| 709 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 710 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); |
| 711 | break; |
| 712 | } |
| 713 | |
| 714 | return 0; |
| 715 | } |
| 716 | |
| 717 | static int out_pga_event(struct snd_soc_dapm_widget *w, |
| 718 | struct snd_kcontrol *kcontrol, int event) |
| 719 | { |
| 720 | struct snd_soc_codec *codec = w->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 721 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 722 | int reg, val; |
| 723 | int dcs_mask; |
| 724 | int dcs_l, dcs_r; |
| 725 | int dcs_l_reg, dcs_r_reg; |
| 726 | int timeout; |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 727 | int pwr_reg; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 728 | |
| 729 | /* This code is shared between HP and LINEOUT; we do all our |
| 730 | * power management in stereo pairs to avoid latency issues so |
| 731 | * we reuse shift to identify which rather than strcmp() the |
| 732 | * name. */ |
| 733 | reg = w->shift; |
| 734 | |
| 735 | switch (reg) { |
| 736 | case WM8904_ANALOGUE_HP_0: |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 737 | pwr_reg = WM8904_POWER_MANAGEMENT_2; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 738 | dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1; |
| 739 | dcs_r_reg = WM8904_DC_SERVO_8; |
| 740 | dcs_l_reg = WM8904_DC_SERVO_9; |
| 741 | dcs_l = 0; |
| 742 | dcs_r = 1; |
| 743 | break; |
| 744 | case WM8904_ANALOGUE_LINEOUT_0: |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 745 | pwr_reg = WM8904_POWER_MANAGEMENT_3; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 746 | dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3; |
| 747 | dcs_r_reg = WM8904_DC_SERVO_6; |
| 748 | dcs_l_reg = WM8904_DC_SERVO_7; |
| 749 | dcs_l = 2; |
| 750 | dcs_r = 3; |
| 751 | break; |
| 752 | default: |
| 753 | BUG(); |
| 754 | return -EINVAL; |
| 755 | } |
| 756 | |
| 757 | switch (event) { |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 758 | case SND_SOC_DAPM_PRE_PMU: |
| 759 | /* Power on the PGAs */ |
| 760 | snd_soc_update_bits(codec, pwr_reg, |
| 761 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, |
| 762 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA); |
| 763 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 764 | /* Power on the amplifier */ |
| 765 | snd_soc_update_bits(codec, reg, |
| 766 | WM8904_HPL_ENA | WM8904_HPR_ENA, |
| 767 | WM8904_HPL_ENA | WM8904_HPR_ENA); |
| 768 | |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 769 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 770 | /* Enable the first stage */ |
| 771 | snd_soc_update_bits(codec, reg, |
| 772 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY, |
| 773 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY); |
| 774 | |
| 775 | /* Power up the DC servo */ |
| 776 | snd_soc_update_bits(codec, WM8904_DC_SERVO_0, |
| 777 | dcs_mask, dcs_mask); |
| 778 | |
| 779 | /* Either calibrate the DC servo or restore cached state |
| 780 | * if we have that. |
| 781 | */ |
| 782 | if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) { |
| 783 | dev_dbg(codec->dev, "Restoring DC servo state\n"); |
| 784 | |
| 785 | snd_soc_write(codec, dcs_l_reg, |
| 786 | wm8904->dcs_state[dcs_l]); |
| 787 | snd_soc_write(codec, dcs_r_reg, |
| 788 | wm8904->dcs_state[dcs_r]); |
| 789 | |
| 790 | snd_soc_write(codec, WM8904_DC_SERVO_1, dcs_mask); |
| 791 | |
| 792 | timeout = 20; |
| 793 | } else { |
| 794 | dev_dbg(codec->dev, "Calibrating DC servo\n"); |
| 795 | |
| 796 | snd_soc_write(codec, WM8904_DC_SERVO_1, |
| 797 | dcs_mask << WM8904_DCS_TRIG_STARTUP_0_SHIFT); |
| 798 | |
| 799 | timeout = 500; |
| 800 | } |
| 801 | |
| 802 | /* Wait for DC servo to complete */ |
| 803 | dcs_mask <<= WM8904_DCS_CAL_COMPLETE_SHIFT; |
| 804 | do { |
| 805 | val = snd_soc_read(codec, WM8904_DC_SERVO_READBACK_0); |
| 806 | if ((val & dcs_mask) == dcs_mask) |
| 807 | break; |
| 808 | |
| 809 | msleep(1); |
| 810 | } while (--timeout); |
| 811 | |
| 812 | if ((val & dcs_mask) != dcs_mask) |
| 813 | dev_warn(codec->dev, "DC servo timed out\n"); |
| 814 | else |
| 815 | dev_dbg(codec->dev, "DC servo ready\n"); |
| 816 | |
| 817 | /* Enable the output stage */ |
| 818 | snd_soc_update_bits(codec, reg, |
| 819 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, |
| 820 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP); |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 821 | break; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 822 | |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 823 | case SND_SOC_DAPM_POST_PMU: |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 824 | /* Unshort the output itself */ |
| 825 | snd_soc_update_bits(codec, reg, |
| 826 | WM8904_HPL_RMV_SHORT | |
| 827 | WM8904_HPR_RMV_SHORT, |
| 828 | WM8904_HPL_RMV_SHORT | |
| 829 | WM8904_HPR_RMV_SHORT); |
| 830 | |
| 831 | break; |
| 832 | |
| 833 | case SND_SOC_DAPM_PRE_PMD: |
| 834 | /* Short the output */ |
| 835 | snd_soc_update_bits(codec, reg, |
| 836 | WM8904_HPL_RMV_SHORT | |
| 837 | WM8904_HPR_RMV_SHORT, 0); |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 838 | break; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 839 | |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 840 | case SND_SOC_DAPM_POST_PMD: |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 841 | /* Cache the DC servo configuration; this will be |
| 842 | * invalidated if we change the configuration. */ |
| 843 | wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg); |
| 844 | wm8904->dcs_state[dcs_r] = snd_soc_read(codec, dcs_r_reg); |
| 845 | |
| 846 | snd_soc_update_bits(codec, WM8904_DC_SERVO_0, |
| 847 | dcs_mask, 0); |
| 848 | |
| 849 | /* Disable the amplifier input and output stages */ |
| 850 | snd_soc_update_bits(codec, reg, |
| 851 | WM8904_HPL_ENA | WM8904_HPR_ENA | |
| 852 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY | |
| 853 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, |
| 854 | 0); |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 855 | |
| 856 | /* PGAs too */ |
| 857 | snd_soc_update_bits(codec, pwr_reg, |
| 858 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, |
| 859 | 0); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 860 | break; |
| 861 | } |
| 862 | |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | static const char *lin_text[] = { |
| 867 | "IN1L", "IN2L", "IN3L" |
| 868 | }; |
| 869 | |
| 870 | static const struct soc_enum lin_enum = |
| 871 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 2, 3, lin_text); |
| 872 | |
| 873 | static const struct snd_kcontrol_new lin_mux = |
| 874 | SOC_DAPM_ENUM("Left Capture Mux", lin_enum); |
| 875 | |
| 876 | static const struct soc_enum lin_inv_enum = |
| 877 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 4, 3, lin_text); |
| 878 | |
| 879 | static const struct snd_kcontrol_new lin_inv_mux = |
| 880 | SOC_DAPM_ENUM("Left Capture Inveting Mux", lin_inv_enum); |
| 881 | |
| 882 | static const char *rin_text[] = { |
| 883 | "IN1R", "IN2R", "IN3R" |
| 884 | }; |
| 885 | |
| 886 | static const struct soc_enum rin_enum = |
| 887 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 2, 3, rin_text); |
| 888 | |
| 889 | static const struct snd_kcontrol_new rin_mux = |
| 890 | SOC_DAPM_ENUM("Right Capture Mux", rin_enum); |
| 891 | |
| 892 | static const struct soc_enum rin_inv_enum = |
| 893 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 4, 3, rin_text); |
| 894 | |
| 895 | static const struct snd_kcontrol_new rin_inv_mux = |
| 896 | SOC_DAPM_ENUM("Right Capture Inveting Mux", rin_inv_enum); |
| 897 | |
| 898 | static const char *aif_text[] = { |
| 899 | "Left", "Right" |
| 900 | }; |
| 901 | |
| 902 | static const struct soc_enum aifoutl_enum = |
| 903 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 7, 2, aif_text); |
| 904 | |
| 905 | static const struct snd_kcontrol_new aifoutl_mux = |
| 906 | SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum); |
| 907 | |
| 908 | static const struct soc_enum aifoutr_enum = |
| 909 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 6, 2, aif_text); |
| 910 | |
| 911 | static const struct snd_kcontrol_new aifoutr_mux = |
| 912 | SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum); |
| 913 | |
| 914 | static const struct soc_enum aifinl_enum = |
| 915 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 5, 2, aif_text); |
| 916 | |
| 917 | static const struct snd_kcontrol_new aifinl_mux = |
| 918 | SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum); |
| 919 | |
| 920 | static const struct soc_enum aifinr_enum = |
| 921 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 4, 2, aif_text); |
| 922 | |
| 923 | static const struct snd_kcontrol_new aifinr_mux = |
| 924 | SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum); |
| 925 | |
| 926 | static const struct snd_soc_dapm_widget wm8904_core_dapm_widgets[] = { |
| 927 | SND_SOC_DAPM_SUPPLY("SYSCLK", WM8904_CLOCK_RATES_2, 2, 0, sysclk_event, |
| 928 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
| 929 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8904_CLOCK_RATES_2, 1, 0, NULL, 0), |
| 930 | SND_SOC_DAPM_SUPPLY("TOCLK", WM8904_CLOCK_RATES_2, 0, 0, NULL, 0), |
| 931 | }; |
| 932 | |
| 933 | static const struct snd_soc_dapm_widget wm8904_adc_dapm_widgets[] = { |
| 934 | SND_SOC_DAPM_INPUT("IN1L"), |
| 935 | SND_SOC_DAPM_INPUT("IN1R"), |
| 936 | SND_SOC_DAPM_INPUT("IN2L"), |
| 937 | SND_SOC_DAPM_INPUT("IN2R"), |
| 938 | SND_SOC_DAPM_INPUT("IN3L"), |
| 939 | SND_SOC_DAPM_INPUT("IN3R"), |
| 940 | |
Mark Brown | dcd658c | 2011-10-27 09:46:01 +0200 | [diff] [blame] | 941 | SND_SOC_DAPM_SUPPLY("MICBIAS", WM8904_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 942 | |
| 943 | SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lin_mux), |
| 944 | SND_SOC_DAPM_MUX("Left Capture Inverting Mux", SND_SOC_NOPM, 0, 0, |
| 945 | &lin_inv_mux), |
| 946 | SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rin_mux), |
| 947 | SND_SOC_DAPM_MUX("Right Capture Inverting Mux", SND_SOC_NOPM, 0, 0, |
| 948 | &rin_inv_mux), |
| 949 | |
| 950 | SND_SOC_DAPM_PGA("Left Capture PGA", WM8904_POWER_MANAGEMENT_0, 1, 0, |
| 951 | NULL, 0), |
| 952 | SND_SOC_DAPM_PGA("Right Capture PGA", WM8904_POWER_MANAGEMENT_0, 0, 0, |
| 953 | NULL, 0), |
| 954 | |
| 955 | SND_SOC_DAPM_ADC("ADCL", NULL, WM8904_POWER_MANAGEMENT_6, 1, 0), |
| 956 | SND_SOC_DAPM_ADC("ADCR", NULL, WM8904_POWER_MANAGEMENT_6, 0, 0), |
| 957 | |
| 958 | SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux), |
| 959 | SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux), |
| 960 | |
| 961 | SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), |
| 962 | SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), |
| 963 | }; |
| 964 | |
| 965 | static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = { |
| 966 | SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), |
| 967 | SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), |
| 968 | |
| 969 | SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux), |
| 970 | SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux), |
| 971 | |
| 972 | SND_SOC_DAPM_DAC("DACL", NULL, WM8904_POWER_MANAGEMENT_6, 3, 0), |
| 973 | SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0), |
| 974 | |
| 975 | SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event, |
| 976 | SND_SOC_DAPM_POST_PMU), |
| 977 | |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 978 | SND_SOC_DAPM_PGA("HPL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), |
| 979 | SND_SOC_DAPM_PGA("HPR PGA", SND_SOC_NOPM, 0, 0, NULL, 0), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 980 | |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 981 | SND_SOC_DAPM_PGA("LINEL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), |
| 982 | SND_SOC_DAPM_PGA("LINER PGA", SND_SOC_NOPM, 0, 0, NULL, 0), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 983 | |
| 984 | SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0, |
| 985 | 0, NULL, 0, out_pga_event, |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 986 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 987 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 988 | SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0, |
| 989 | 0, NULL, 0, out_pga_event, |
Mark Brown | e4bc669 | 2010-02-03 19:51:33 +0000 | [diff] [blame] | 990 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
| 991 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 992 | |
| 993 | SND_SOC_DAPM_OUTPUT("HPOUTL"), |
| 994 | SND_SOC_DAPM_OUTPUT("HPOUTR"), |
| 995 | SND_SOC_DAPM_OUTPUT("LINEOUTL"), |
| 996 | SND_SOC_DAPM_OUTPUT("LINEOUTR"), |
| 997 | }; |
| 998 | |
| 999 | static const char *out_mux_text[] = { |
| 1000 | "DAC", "Bypass" |
| 1001 | }; |
| 1002 | |
| 1003 | static const struct soc_enum hpl_enum = |
| 1004 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 3, 2, out_mux_text); |
| 1005 | |
| 1006 | static const struct snd_kcontrol_new hpl_mux = |
| 1007 | SOC_DAPM_ENUM("HPL Mux", hpl_enum); |
| 1008 | |
| 1009 | static const struct soc_enum hpr_enum = |
| 1010 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 2, 2, out_mux_text); |
| 1011 | |
| 1012 | static const struct snd_kcontrol_new hpr_mux = |
| 1013 | SOC_DAPM_ENUM("HPR Mux", hpr_enum); |
| 1014 | |
| 1015 | static const struct soc_enum linel_enum = |
| 1016 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 1, 2, out_mux_text); |
| 1017 | |
| 1018 | static const struct snd_kcontrol_new linel_mux = |
| 1019 | SOC_DAPM_ENUM("LINEL Mux", linel_enum); |
| 1020 | |
| 1021 | static const struct soc_enum liner_enum = |
| 1022 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text); |
| 1023 | |
| 1024 | static const struct snd_kcontrol_new liner_mux = |
| 1025 | SOC_DAPM_ENUM("LINEL Mux", liner_enum); |
| 1026 | |
| 1027 | static const char *sidetone_text[] = { |
| 1028 | "None", "Left", "Right" |
| 1029 | }; |
| 1030 | |
| 1031 | static const struct soc_enum dacl_sidetone_enum = |
| 1032 | SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 2, 3, sidetone_text); |
| 1033 | |
| 1034 | static const struct snd_kcontrol_new dacl_sidetone_mux = |
| 1035 | SOC_DAPM_ENUM("Left Sidetone Mux", dacl_sidetone_enum); |
| 1036 | |
| 1037 | static const struct soc_enum dacr_sidetone_enum = |
| 1038 | SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 0, 3, sidetone_text); |
| 1039 | |
| 1040 | static const struct snd_kcontrol_new dacr_sidetone_mux = |
| 1041 | SOC_DAPM_ENUM("Right Sidetone Mux", dacr_sidetone_enum); |
| 1042 | |
| 1043 | static const struct snd_soc_dapm_widget wm8904_dapm_widgets[] = { |
| 1044 | SND_SOC_DAPM_SUPPLY("Class G", WM8904_CLASS_W_0, 0, 1, NULL, 0), |
| 1045 | SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 1046 | SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 1047 | |
| 1048 | SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &dacl_sidetone_mux), |
| 1049 | SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &dacr_sidetone_mux), |
| 1050 | |
| 1051 | SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_mux), |
| 1052 | SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_mux), |
| 1053 | SND_SOC_DAPM_MUX("LINEL Mux", SND_SOC_NOPM, 0, 0, &linel_mux), |
| 1054 | SND_SOC_DAPM_MUX("LINER Mux", SND_SOC_NOPM, 0, 0, &liner_mux), |
| 1055 | }; |
| 1056 | |
| 1057 | static const struct snd_soc_dapm_route core_intercon[] = { |
| 1058 | { "CLK_DSP", NULL, "SYSCLK" }, |
| 1059 | { "TOCLK", NULL, "SYSCLK" }, |
| 1060 | }; |
| 1061 | |
| 1062 | static const struct snd_soc_dapm_route adc_intercon[] = { |
| 1063 | { "Left Capture Mux", "IN1L", "IN1L" }, |
| 1064 | { "Left Capture Mux", "IN2L", "IN2L" }, |
| 1065 | { "Left Capture Mux", "IN3L", "IN3L" }, |
| 1066 | |
| 1067 | { "Left Capture Inverting Mux", "IN1L", "IN1L" }, |
| 1068 | { "Left Capture Inverting Mux", "IN2L", "IN2L" }, |
| 1069 | { "Left Capture Inverting Mux", "IN3L", "IN3L" }, |
| 1070 | |
| 1071 | { "Right Capture Mux", "IN1R", "IN1R" }, |
| 1072 | { "Right Capture Mux", "IN2R", "IN2R" }, |
| 1073 | { "Right Capture Mux", "IN3R", "IN3R" }, |
| 1074 | |
| 1075 | { "Right Capture Inverting Mux", "IN1R", "IN1R" }, |
| 1076 | { "Right Capture Inverting Mux", "IN2R", "IN2R" }, |
| 1077 | { "Right Capture Inverting Mux", "IN3R", "IN3R" }, |
| 1078 | |
| 1079 | { "Left Capture PGA", NULL, "Left Capture Mux" }, |
| 1080 | { "Left Capture PGA", NULL, "Left Capture Inverting Mux" }, |
| 1081 | |
| 1082 | { "Right Capture PGA", NULL, "Right Capture Mux" }, |
| 1083 | { "Right Capture PGA", NULL, "Right Capture Inverting Mux" }, |
| 1084 | |
| 1085 | { "AIFOUTL", "Left", "ADCL" }, |
| 1086 | { "AIFOUTL", "Right", "ADCR" }, |
| 1087 | { "AIFOUTR", "Left", "ADCL" }, |
| 1088 | { "AIFOUTR", "Right", "ADCR" }, |
| 1089 | |
| 1090 | { "ADCL", NULL, "CLK_DSP" }, |
| 1091 | { "ADCL", NULL, "Left Capture PGA" }, |
| 1092 | |
| 1093 | { "ADCR", NULL, "CLK_DSP" }, |
| 1094 | { "ADCR", NULL, "Right Capture PGA" }, |
| 1095 | }; |
| 1096 | |
| 1097 | static const struct snd_soc_dapm_route dac_intercon[] = { |
| 1098 | { "DACL", "Right", "AIFINR" }, |
| 1099 | { "DACL", "Left", "AIFINL" }, |
| 1100 | { "DACL", NULL, "CLK_DSP" }, |
| 1101 | |
| 1102 | { "DACR", "Right", "AIFINR" }, |
| 1103 | { "DACR", "Left", "AIFINL" }, |
| 1104 | { "DACR", NULL, "CLK_DSP" }, |
| 1105 | |
| 1106 | { "Charge pump", NULL, "SYSCLK" }, |
| 1107 | |
| 1108 | { "Headphone Output", NULL, "HPL PGA" }, |
| 1109 | { "Headphone Output", NULL, "HPR PGA" }, |
| 1110 | { "Headphone Output", NULL, "Charge pump" }, |
| 1111 | { "Headphone Output", NULL, "TOCLK" }, |
| 1112 | |
| 1113 | { "Line Output", NULL, "LINEL PGA" }, |
| 1114 | { "Line Output", NULL, "LINER PGA" }, |
| 1115 | { "Line Output", NULL, "Charge pump" }, |
| 1116 | { "Line Output", NULL, "TOCLK" }, |
| 1117 | |
| 1118 | { "HPOUTL", NULL, "Headphone Output" }, |
| 1119 | { "HPOUTR", NULL, "Headphone Output" }, |
| 1120 | |
| 1121 | { "LINEOUTL", NULL, "Line Output" }, |
| 1122 | { "LINEOUTR", NULL, "Line Output" }, |
| 1123 | }; |
| 1124 | |
| 1125 | static const struct snd_soc_dapm_route wm8904_intercon[] = { |
| 1126 | { "Left Sidetone", "Left", "ADCL" }, |
| 1127 | { "Left Sidetone", "Right", "ADCR" }, |
| 1128 | { "DACL", NULL, "Left Sidetone" }, |
| 1129 | |
| 1130 | { "Right Sidetone", "Left", "ADCL" }, |
| 1131 | { "Right Sidetone", "Right", "ADCR" }, |
| 1132 | { "DACR", NULL, "Right Sidetone" }, |
| 1133 | |
| 1134 | { "Left Bypass", NULL, "Class G" }, |
| 1135 | { "Left Bypass", NULL, "Left Capture PGA" }, |
| 1136 | |
| 1137 | { "Right Bypass", NULL, "Class G" }, |
| 1138 | { "Right Bypass", NULL, "Right Capture PGA" }, |
| 1139 | |
| 1140 | { "HPL Mux", "DAC", "DACL" }, |
| 1141 | { "HPL Mux", "Bypass", "Left Bypass" }, |
| 1142 | |
| 1143 | { "HPR Mux", "DAC", "DACR" }, |
| 1144 | { "HPR Mux", "Bypass", "Right Bypass" }, |
| 1145 | |
| 1146 | { "LINEL Mux", "DAC", "DACL" }, |
| 1147 | { "LINEL Mux", "Bypass", "Left Bypass" }, |
| 1148 | |
| 1149 | { "LINER Mux", "DAC", "DACR" }, |
| 1150 | { "LINER Mux", "Bypass", "Right Bypass" }, |
| 1151 | |
| 1152 | { "HPL PGA", NULL, "HPL Mux" }, |
| 1153 | { "HPR PGA", NULL, "HPR Mux" }, |
| 1154 | |
| 1155 | { "LINEL PGA", NULL, "LINEL Mux" }, |
| 1156 | { "LINER PGA", NULL, "LINER Mux" }, |
| 1157 | }; |
| 1158 | |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1159 | static const struct snd_soc_dapm_route wm8912_intercon[] = { |
| 1160 | { "HPL PGA", NULL, "DACL" }, |
| 1161 | { "HPR PGA", NULL, "DACR" }, |
| 1162 | |
| 1163 | { "LINEL PGA", NULL, "DACL" }, |
| 1164 | { "LINER PGA", NULL, "DACR" }, |
| 1165 | }; |
| 1166 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1167 | static int wm8904_add_widgets(struct snd_soc_codec *codec) |
| 1168 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1169 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1170 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1171 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1172 | snd_soc_dapm_new_controls(dapm, wm8904_core_dapm_widgets, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1173 | ARRAY_SIZE(wm8904_core_dapm_widgets)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1174 | snd_soc_dapm_add_routes(dapm, core_intercon, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1175 | ARRAY_SIZE(core_intercon)); |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1176 | |
| 1177 | switch (wm8904->devtype) { |
| 1178 | case WM8904: |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 1179 | snd_soc_add_codec_controls(codec, wm8904_adc_snd_controls, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1180 | ARRAY_SIZE(wm8904_adc_snd_controls)); |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 1181 | snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1182 | ARRAY_SIZE(wm8904_dac_snd_controls)); |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 1183 | snd_soc_add_codec_controls(codec, wm8904_snd_controls, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1184 | ARRAY_SIZE(wm8904_snd_controls)); |
| 1185 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1186 | snd_soc_dapm_new_controls(dapm, wm8904_adc_dapm_widgets, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1187 | ARRAY_SIZE(wm8904_adc_dapm_widgets)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1188 | snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1189 | ARRAY_SIZE(wm8904_dac_dapm_widgets)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1190 | snd_soc_dapm_new_controls(dapm, wm8904_dapm_widgets, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1191 | ARRAY_SIZE(wm8904_dapm_widgets)); |
| 1192 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1193 | snd_soc_dapm_add_routes(dapm, core_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1194 | ARRAY_SIZE(core_intercon)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1195 | snd_soc_dapm_add_routes(dapm, adc_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1196 | ARRAY_SIZE(adc_intercon)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1197 | snd_soc_dapm_add_routes(dapm, dac_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1198 | ARRAY_SIZE(dac_intercon)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1199 | snd_soc_dapm_add_routes(dapm, wm8904_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1200 | ARRAY_SIZE(wm8904_intercon)); |
| 1201 | break; |
| 1202 | |
| 1203 | case WM8912: |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 1204 | snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1205 | ARRAY_SIZE(wm8904_dac_snd_controls)); |
| 1206 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1207 | snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1208 | ARRAY_SIZE(wm8904_dac_dapm_widgets)); |
| 1209 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1210 | snd_soc_dapm_add_routes(dapm, dac_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1211 | ARRAY_SIZE(dac_intercon)); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1212 | snd_soc_dapm_add_routes(dapm, wm8912_intercon, |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 1213 | ARRAY_SIZE(wm8912_intercon)); |
| 1214 | break; |
| 1215 | } |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1216 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1217 | snd_soc_dapm_new_widgets(dapm); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1218 | return 0; |
| 1219 | } |
| 1220 | |
| 1221 | static struct { |
| 1222 | int ratio; |
| 1223 | unsigned int clk_sys_rate; |
| 1224 | } clk_sys_rates[] = { |
| 1225 | { 64, 0 }, |
| 1226 | { 128, 1 }, |
| 1227 | { 192, 2 }, |
| 1228 | { 256, 3 }, |
| 1229 | { 384, 4 }, |
| 1230 | { 512, 5 }, |
| 1231 | { 786, 6 }, |
| 1232 | { 1024, 7 }, |
| 1233 | { 1408, 8 }, |
| 1234 | { 1536, 9 }, |
| 1235 | }; |
| 1236 | |
| 1237 | static struct { |
| 1238 | int rate; |
| 1239 | int sample_rate; |
| 1240 | } sample_rates[] = { |
| 1241 | { 8000, 0 }, |
| 1242 | { 11025, 1 }, |
| 1243 | { 12000, 1 }, |
| 1244 | { 16000, 2 }, |
| 1245 | { 22050, 3 }, |
| 1246 | { 24000, 3 }, |
| 1247 | { 32000, 4 }, |
| 1248 | { 44100, 5 }, |
| 1249 | { 48000, 5 }, |
| 1250 | }; |
| 1251 | |
| 1252 | static struct { |
| 1253 | int div; /* *10 due to .5s */ |
| 1254 | int bclk_div; |
| 1255 | } bclk_divs[] = { |
| 1256 | { 10, 0 }, |
| 1257 | { 15, 1 }, |
| 1258 | { 20, 2 }, |
| 1259 | { 30, 3 }, |
| 1260 | { 40, 4 }, |
| 1261 | { 50, 5 }, |
| 1262 | { 55, 6 }, |
| 1263 | { 60, 7 }, |
| 1264 | { 80, 8 }, |
| 1265 | { 100, 9 }, |
| 1266 | { 110, 10 }, |
| 1267 | { 120, 11 }, |
| 1268 | { 160, 12 }, |
| 1269 | { 200, 13 }, |
| 1270 | { 220, 14 }, |
| 1271 | { 240, 16 }, |
| 1272 | { 200, 17 }, |
| 1273 | { 320, 18 }, |
| 1274 | { 440, 19 }, |
| 1275 | { 480, 20 }, |
| 1276 | }; |
| 1277 | |
| 1278 | |
| 1279 | static int wm8904_hw_params(struct snd_pcm_substream *substream, |
| 1280 | struct snd_pcm_hw_params *params, |
| 1281 | struct snd_soc_dai *dai) |
| 1282 | { |
| 1283 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1284 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1285 | int ret, i, best, best_val, cur_val; |
| 1286 | unsigned int aif1 = 0; |
| 1287 | unsigned int aif2 = 0; |
| 1288 | unsigned int aif3 = 0; |
| 1289 | unsigned int clock1 = 0; |
| 1290 | unsigned int dac_digital1 = 0; |
| 1291 | |
| 1292 | /* What BCLK do we need? */ |
| 1293 | wm8904->fs = params_rate(params); |
| 1294 | if (wm8904->tdm_slots) { |
| 1295 | dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n", |
| 1296 | wm8904->tdm_slots, wm8904->tdm_width); |
| 1297 | wm8904->bclk = snd_soc_calc_bclk(wm8904->fs, |
| 1298 | wm8904->tdm_width, 2, |
| 1299 | wm8904->tdm_slots); |
| 1300 | } else { |
| 1301 | wm8904->bclk = snd_soc_params_to_bclk(params); |
| 1302 | } |
| 1303 | |
Mark Brown | 56927eb | 2009-12-18 13:11:12 +0000 | [diff] [blame] | 1304 | switch (params_format(params)) { |
| 1305 | case SNDRV_PCM_FORMAT_S16_LE: |
| 1306 | break; |
| 1307 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 1308 | aif1 |= 0x40; |
| 1309 | break; |
| 1310 | case SNDRV_PCM_FORMAT_S24_LE: |
| 1311 | aif1 |= 0x80; |
| 1312 | break; |
| 1313 | case SNDRV_PCM_FORMAT_S32_LE: |
| 1314 | aif1 |= 0xc0; |
| 1315 | break; |
| 1316 | default: |
| 1317 | return -EINVAL; |
| 1318 | } |
| 1319 | |
| 1320 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1321 | dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8904->bclk); |
| 1322 | |
| 1323 | ret = wm8904_configure_clocking(codec); |
| 1324 | if (ret != 0) |
| 1325 | return ret; |
| 1326 | |
| 1327 | /* Select nearest CLK_SYS_RATE */ |
| 1328 | best = 0; |
| 1329 | best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio) |
| 1330 | - wm8904->fs); |
| 1331 | for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { |
| 1332 | cur_val = abs((wm8904->sysclk_rate / |
Joe Perches | ef995e3 | 2010-11-15 09:09:17 -0800 | [diff] [blame] | 1333 | clk_sys_rates[i].ratio) - wm8904->fs); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1334 | if (cur_val < best_val) { |
| 1335 | best = i; |
| 1336 | best_val = cur_val; |
| 1337 | } |
| 1338 | } |
| 1339 | dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n", |
| 1340 | clk_sys_rates[best].ratio); |
| 1341 | clock1 |= (clk_sys_rates[best].clk_sys_rate |
| 1342 | << WM8904_CLK_SYS_RATE_SHIFT); |
| 1343 | |
| 1344 | /* SAMPLE_RATE */ |
| 1345 | best = 0; |
| 1346 | best_val = abs(wm8904->fs - sample_rates[0].rate); |
| 1347 | for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { |
| 1348 | /* Closest match */ |
| 1349 | cur_val = abs(wm8904->fs - sample_rates[i].rate); |
| 1350 | if (cur_val < best_val) { |
| 1351 | best = i; |
| 1352 | best_val = cur_val; |
| 1353 | } |
| 1354 | } |
| 1355 | dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n", |
| 1356 | sample_rates[best].rate); |
| 1357 | clock1 |= (sample_rates[best].sample_rate |
| 1358 | << WM8904_SAMPLE_RATE_SHIFT); |
| 1359 | |
| 1360 | /* Enable sloping stopband filter for low sample rates */ |
| 1361 | if (wm8904->fs <= 24000) |
| 1362 | dac_digital1 |= WM8904_DAC_SB_FILT; |
| 1363 | |
| 1364 | /* BCLK_DIV */ |
| 1365 | best = 0; |
| 1366 | best_val = INT_MAX; |
| 1367 | for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { |
| 1368 | cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div) |
| 1369 | - wm8904->bclk; |
| 1370 | if (cur_val < 0) /* Table is sorted */ |
| 1371 | break; |
| 1372 | if (cur_val < best_val) { |
| 1373 | best = i; |
| 1374 | best_val = cur_val; |
| 1375 | } |
| 1376 | } |
| 1377 | wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div; |
| 1378 | dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", |
| 1379 | bclk_divs[best].div, wm8904->bclk); |
| 1380 | aif2 |= bclk_divs[best].bclk_div; |
| 1381 | |
| 1382 | /* LRCLK is a simple fraction of BCLK */ |
| 1383 | dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs); |
| 1384 | aif3 |= wm8904->bclk / wm8904->fs; |
| 1385 | |
| 1386 | /* Apply the settings */ |
| 1387 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, |
| 1388 | WM8904_DAC_SB_FILT, dac_digital1); |
| 1389 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, |
| 1390 | WM8904_AIF_WL_MASK, aif1); |
| 1391 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_2, |
| 1392 | WM8904_BCLK_DIV_MASK, aif2); |
| 1393 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, |
| 1394 | WM8904_LRCLK_RATE_MASK, aif3); |
| 1395 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_1, |
| 1396 | WM8904_SAMPLE_RATE_MASK | |
| 1397 | WM8904_CLK_SYS_RATE_MASK, clock1); |
| 1398 | |
| 1399 | /* Update filters for the new settings */ |
| 1400 | wm8904_set_retune_mobile(codec); |
| 1401 | wm8904_set_deemph(codec); |
| 1402 | |
| 1403 | return 0; |
| 1404 | } |
| 1405 | |
| 1406 | |
| 1407 | static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id, |
| 1408 | unsigned int freq, int dir) |
| 1409 | { |
| 1410 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1411 | struct wm8904_priv *priv = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1412 | |
| 1413 | switch (clk_id) { |
| 1414 | case WM8904_CLK_MCLK: |
| 1415 | priv->sysclk_src = clk_id; |
| 1416 | priv->mclk_rate = freq; |
| 1417 | break; |
| 1418 | |
| 1419 | case WM8904_CLK_FLL: |
| 1420 | priv->sysclk_src = clk_id; |
| 1421 | break; |
| 1422 | |
| 1423 | default: |
| 1424 | return -EINVAL; |
| 1425 | } |
| 1426 | |
| 1427 | dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); |
| 1428 | |
| 1429 | wm8904_configure_clocking(codec); |
| 1430 | |
| 1431 | return 0; |
| 1432 | } |
| 1433 | |
| 1434 | static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 1435 | { |
| 1436 | struct snd_soc_codec *codec = dai->codec; |
| 1437 | unsigned int aif1 = 0; |
| 1438 | unsigned int aif3 = 0; |
| 1439 | |
| 1440 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 1441 | case SND_SOC_DAIFMT_CBS_CFS: |
| 1442 | break; |
| 1443 | case SND_SOC_DAIFMT_CBS_CFM: |
| 1444 | aif3 |= WM8904_LRCLK_DIR; |
| 1445 | break; |
| 1446 | case SND_SOC_DAIFMT_CBM_CFS: |
| 1447 | aif1 |= WM8904_BCLK_DIR; |
| 1448 | break; |
| 1449 | case SND_SOC_DAIFMT_CBM_CFM: |
| 1450 | aif1 |= WM8904_BCLK_DIR; |
| 1451 | aif3 |= WM8904_LRCLK_DIR; |
| 1452 | break; |
| 1453 | default: |
| 1454 | return -EINVAL; |
| 1455 | } |
| 1456 | |
| 1457 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 1458 | case SND_SOC_DAIFMT_DSP_B: |
| 1459 | aif1 |= WM8904_AIF_LRCLK_INV; |
| 1460 | case SND_SOC_DAIFMT_DSP_A: |
| 1461 | aif1 |= 0x3; |
| 1462 | break; |
| 1463 | case SND_SOC_DAIFMT_I2S: |
| 1464 | aif1 |= 0x2; |
| 1465 | break; |
| 1466 | case SND_SOC_DAIFMT_RIGHT_J: |
| 1467 | break; |
| 1468 | case SND_SOC_DAIFMT_LEFT_J: |
| 1469 | aif1 |= 0x1; |
| 1470 | break; |
| 1471 | default: |
| 1472 | return -EINVAL; |
| 1473 | } |
| 1474 | |
| 1475 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 1476 | case SND_SOC_DAIFMT_DSP_A: |
| 1477 | case SND_SOC_DAIFMT_DSP_B: |
| 1478 | /* frame inversion not valid for DSP modes */ |
| 1479 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 1480 | case SND_SOC_DAIFMT_NB_NF: |
| 1481 | break; |
| 1482 | case SND_SOC_DAIFMT_IB_NF: |
| 1483 | aif1 |= WM8904_AIF_BCLK_INV; |
| 1484 | break; |
| 1485 | default: |
| 1486 | return -EINVAL; |
| 1487 | } |
| 1488 | break; |
| 1489 | |
| 1490 | case SND_SOC_DAIFMT_I2S: |
| 1491 | case SND_SOC_DAIFMT_RIGHT_J: |
| 1492 | case SND_SOC_DAIFMT_LEFT_J: |
| 1493 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 1494 | case SND_SOC_DAIFMT_NB_NF: |
| 1495 | break; |
| 1496 | case SND_SOC_DAIFMT_IB_IF: |
| 1497 | aif1 |= WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV; |
| 1498 | break; |
| 1499 | case SND_SOC_DAIFMT_IB_NF: |
| 1500 | aif1 |= WM8904_AIF_BCLK_INV; |
| 1501 | break; |
| 1502 | case SND_SOC_DAIFMT_NB_IF: |
| 1503 | aif1 |= WM8904_AIF_LRCLK_INV; |
| 1504 | break; |
| 1505 | default: |
| 1506 | return -EINVAL; |
| 1507 | } |
| 1508 | break; |
| 1509 | default: |
| 1510 | return -EINVAL; |
| 1511 | } |
| 1512 | |
| 1513 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, |
| 1514 | WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV | |
| 1515 | WM8904_AIF_FMT_MASK | WM8904_BCLK_DIR, aif1); |
| 1516 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, |
| 1517 | WM8904_LRCLK_DIR, aif3); |
| 1518 | |
| 1519 | return 0; |
| 1520 | } |
| 1521 | |
| 1522 | |
| 1523 | static int wm8904_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, |
| 1524 | unsigned int rx_mask, int slots, int slot_width) |
| 1525 | { |
| 1526 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1527 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1528 | int aif1 = 0; |
| 1529 | |
| 1530 | /* Don't need to validate anything if we're turning off TDM */ |
| 1531 | if (slots == 0) |
| 1532 | goto out; |
| 1533 | |
| 1534 | /* Note that we allow configurations we can't handle ourselves - |
| 1535 | * for example, we can generate clocks for slots 2 and up even if |
| 1536 | * we can't use those slots ourselves. |
| 1537 | */ |
| 1538 | aif1 |= WM8904_AIFADC_TDM | WM8904_AIFDAC_TDM; |
| 1539 | |
| 1540 | switch (rx_mask) { |
| 1541 | case 3: |
| 1542 | break; |
| 1543 | case 0xc: |
| 1544 | aif1 |= WM8904_AIFADC_TDM_CHAN; |
| 1545 | break; |
| 1546 | default: |
| 1547 | return -EINVAL; |
| 1548 | } |
| 1549 | |
| 1550 | |
| 1551 | switch (tx_mask) { |
| 1552 | case 3: |
| 1553 | break; |
| 1554 | case 0xc: |
| 1555 | aif1 |= WM8904_AIFDAC_TDM_CHAN; |
| 1556 | break; |
| 1557 | default: |
| 1558 | return -EINVAL; |
| 1559 | } |
| 1560 | |
| 1561 | out: |
| 1562 | wm8904->tdm_width = slot_width; |
| 1563 | wm8904->tdm_slots = slots / 2; |
| 1564 | |
| 1565 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, |
| 1566 | WM8904_AIFADC_TDM | WM8904_AIFADC_TDM_CHAN | |
| 1567 | WM8904_AIFDAC_TDM | WM8904_AIFDAC_TDM_CHAN, aif1); |
| 1568 | |
| 1569 | return 0; |
| 1570 | } |
| 1571 | |
| 1572 | struct _fll_div { |
| 1573 | u16 fll_fratio; |
| 1574 | u16 fll_outdiv; |
| 1575 | u16 fll_clk_ref_div; |
| 1576 | u16 n; |
| 1577 | u16 k; |
| 1578 | }; |
| 1579 | |
| 1580 | /* The size in bits of the FLL divide multiplied by 10 |
| 1581 | * to allow rounding later */ |
| 1582 | #define FIXED_FLL_SIZE ((1 << 16) * 10) |
| 1583 | |
| 1584 | static struct { |
| 1585 | unsigned int min; |
| 1586 | unsigned int max; |
| 1587 | u16 fll_fratio; |
| 1588 | int ratio; |
| 1589 | } fll_fratios[] = { |
| 1590 | { 0, 64000, 4, 16 }, |
| 1591 | { 64000, 128000, 3, 8 }, |
| 1592 | { 128000, 256000, 2, 4 }, |
| 1593 | { 256000, 1000000, 1, 2 }, |
| 1594 | { 1000000, 13500000, 0, 1 }, |
| 1595 | }; |
| 1596 | |
| 1597 | static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, |
| 1598 | unsigned int Fout) |
| 1599 | { |
| 1600 | u64 Kpart; |
| 1601 | unsigned int K, Ndiv, Nmod, target; |
| 1602 | unsigned int div; |
| 1603 | int i; |
| 1604 | |
| 1605 | /* Fref must be <=13.5MHz */ |
| 1606 | div = 1; |
| 1607 | fll_div->fll_clk_ref_div = 0; |
| 1608 | while ((Fref / div) > 13500000) { |
| 1609 | div *= 2; |
| 1610 | fll_div->fll_clk_ref_div++; |
| 1611 | |
| 1612 | if (div > 8) { |
| 1613 | pr_err("Can't scale %dMHz input down to <=13.5MHz\n", |
| 1614 | Fref); |
| 1615 | return -EINVAL; |
| 1616 | } |
| 1617 | } |
| 1618 | |
| 1619 | pr_debug("Fref=%u Fout=%u\n", Fref, Fout); |
| 1620 | |
| 1621 | /* Apply the division for our remaining calculations */ |
| 1622 | Fref /= div; |
| 1623 | |
| 1624 | /* Fvco should be 90-100MHz; don't check the upper bound */ |
| 1625 | div = 4; |
| 1626 | while (Fout * div < 90000000) { |
| 1627 | div++; |
| 1628 | if (div > 64) { |
| 1629 | pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", |
| 1630 | Fout); |
| 1631 | return -EINVAL; |
| 1632 | } |
| 1633 | } |
| 1634 | target = Fout * div; |
| 1635 | fll_div->fll_outdiv = div - 1; |
| 1636 | |
| 1637 | pr_debug("Fvco=%dHz\n", target); |
| 1638 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1639 | /* Find an appropriate FLL_FRATIO and factor it out of the target */ |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1640 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
| 1641 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { |
| 1642 | fll_div->fll_fratio = fll_fratios[i].fll_fratio; |
| 1643 | target /= fll_fratios[i].ratio; |
| 1644 | break; |
| 1645 | } |
| 1646 | } |
| 1647 | if (i == ARRAY_SIZE(fll_fratios)) { |
| 1648 | pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); |
| 1649 | return -EINVAL; |
| 1650 | } |
| 1651 | |
| 1652 | /* Now, calculate N.K */ |
| 1653 | Ndiv = target / Fref; |
| 1654 | |
| 1655 | fll_div->n = Ndiv; |
| 1656 | Nmod = target % Fref; |
| 1657 | pr_debug("Nmod=%d\n", Nmod); |
| 1658 | |
| 1659 | /* Calculate fractional part - scale up so we can round. */ |
| 1660 | Kpart = FIXED_FLL_SIZE * (long long)Nmod; |
| 1661 | |
| 1662 | do_div(Kpart, Fref); |
| 1663 | |
| 1664 | K = Kpart & 0xFFFFFFFF; |
| 1665 | |
| 1666 | if ((K % 10) >= 5) |
| 1667 | K += 5; |
| 1668 | |
| 1669 | /* Move down to proper range now rounding is done */ |
| 1670 | fll_div->k = K / 10; |
| 1671 | |
| 1672 | pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", |
| 1673 | fll_div->n, fll_div->k, |
| 1674 | fll_div->fll_fratio, fll_div->fll_outdiv, |
| 1675 | fll_div->fll_clk_ref_div); |
| 1676 | |
| 1677 | return 0; |
| 1678 | } |
| 1679 | |
| 1680 | static int wm8904_set_fll(struct snd_soc_dai *dai, int fll_id, int source, |
| 1681 | unsigned int Fref, unsigned int Fout) |
| 1682 | { |
| 1683 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1684 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1685 | struct _fll_div fll_div; |
| 1686 | int ret, val; |
| 1687 | int clock2, fll1; |
| 1688 | |
| 1689 | /* Any change? */ |
| 1690 | if (source == wm8904->fll_src && Fref == wm8904->fll_fref && |
| 1691 | Fout == wm8904->fll_fout) |
| 1692 | return 0; |
| 1693 | |
Mark Brown | 18240b6 | 2009-12-18 14:20:35 +0000 | [diff] [blame] | 1694 | clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); |
| 1695 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1696 | if (Fout == 0) { |
| 1697 | dev_dbg(codec->dev, "FLL disabled\n"); |
| 1698 | |
| 1699 | wm8904->fll_fref = 0; |
| 1700 | wm8904->fll_fout = 0; |
| 1701 | |
| 1702 | /* Gate SYSCLK to avoid glitches */ |
| 1703 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, |
| 1704 | WM8904_CLK_SYS_ENA, 0); |
| 1705 | |
| 1706 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 1707 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); |
| 1708 | |
| 1709 | goto out; |
| 1710 | } |
| 1711 | |
| 1712 | /* Validate the FLL ID */ |
| 1713 | switch (source) { |
| 1714 | case WM8904_FLL_MCLK: |
| 1715 | case WM8904_FLL_LRCLK: |
| 1716 | case WM8904_FLL_BCLK: |
| 1717 | ret = fll_factors(&fll_div, Fref, Fout); |
| 1718 | if (ret != 0) |
| 1719 | return ret; |
| 1720 | break; |
| 1721 | |
| 1722 | case WM8904_FLL_FREE_RUNNING: |
| 1723 | dev_dbg(codec->dev, "Using free running FLL\n"); |
| 1724 | /* Force 12MHz and output/4 for now */ |
| 1725 | Fout = 12000000; |
| 1726 | Fref = 12000000; |
| 1727 | |
| 1728 | memset(&fll_div, 0, sizeof(fll_div)); |
| 1729 | fll_div.fll_outdiv = 3; |
| 1730 | break; |
| 1731 | |
| 1732 | default: |
| 1733 | dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id); |
| 1734 | return -EINVAL; |
| 1735 | } |
| 1736 | |
| 1737 | /* Save current state then disable the FLL and SYSCLK to avoid |
| 1738 | * misclocking */ |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1739 | fll1 = snd_soc_read(codec, WM8904_FLL_CONTROL_1); |
| 1740 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, |
| 1741 | WM8904_CLK_SYS_ENA, 0); |
| 1742 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 1743 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); |
| 1744 | |
| 1745 | /* Unlock forced oscilator control to switch it on/off */ |
| 1746 | snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, |
| 1747 | WM8904_USER_KEY, WM8904_USER_KEY); |
| 1748 | |
| 1749 | if (fll_id == WM8904_FLL_FREE_RUNNING) { |
| 1750 | val = WM8904_FLL_FRC_NCO; |
| 1751 | } else { |
| 1752 | val = 0; |
| 1753 | } |
| 1754 | |
| 1755 | snd_soc_update_bits(codec, WM8904_FLL_NCO_TEST_1, WM8904_FLL_FRC_NCO, |
| 1756 | val); |
| 1757 | snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, |
| 1758 | WM8904_USER_KEY, 0); |
| 1759 | |
| 1760 | switch (fll_id) { |
| 1761 | case WM8904_FLL_MCLK: |
| 1762 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, |
| 1763 | WM8904_FLL_CLK_REF_SRC_MASK, 0); |
| 1764 | break; |
| 1765 | |
| 1766 | case WM8904_FLL_LRCLK: |
| 1767 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, |
| 1768 | WM8904_FLL_CLK_REF_SRC_MASK, 1); |
| 1769 | break; |
| 1770 | |
| 1771 | case WM8904_FLL_BCLK: |
| 1772 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, |
| 1773 | WM8904_FLL_CLK_REF_SRC_MASK, 2); |
| 1774 | break; |
| 1775 | } |
| 1776 | |
| 1777 | if (fll_div.k) |
| 1778 | val = WM8904_FLL_FRACN_ENA; |
| 1779 | else |
| 1780 | val = 0; |
| 1781 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 1782 | WM8904_FLL_FRACN_ENA, val); |
| 1783 | |
| 1784 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_2, |
| 1785 | WM8904_FLL_OUTDIV_MASK | WM8904_FLL_FRATIO_MASK, |
| 1786 | (fll_div.fll_outdiv << WM8904_FLL_OUTDIV_SHIFT) | |
| 1787 | (fll_div.fll_fratio << WM8904_FLL_FRATIO_SHIFT)); |
| 1788 | |
| 1789 | snd_soc_write(codec, WM8904_FLL_CONTROL_3, fll_div.k); |
| 1790 | |
| 1791 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_4, WM8904_FLL_N_MASK, |
| 1792 | fll_div.n << WM8904_FLL_N_SHIFT); |
| 1793 | |
| 1794 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, |
| 1795 | WM8904_FLL_CLK_REF_DIV_MASK, |
| 1796 | fll_div.fll_clk_ref_div |
| 1797 | << WM8904_FLL_CLK_REF_DIV_SHIFT); |
| 1798 | |
| 1799 | dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); |
| 1800 | |
| 1801 | wm8904->fll_fref = Fref; |
| 1802 | wm8904->fll_fout = Fout; |
| 1803 | wm8904->fll_src = source; |
| 1804 | |
| 1805 | /* Enable the FLL if it was previously active */ |
| 1806 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 1807 | WM8904_FLL_OSC_ENA, fll1); |
| 1808 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, |
| 1809 | WM8904_FLL_ENA, fll1); |
| 1810 | |
| 1811 | out: |
| 1812 | /* Reenable SYSCLK if it was previously active */ |
| 1813 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, |
| 1814 | WM8904_CLK_SYS_ENA, clock2); |
| 1815 | |
| 1816 | return 0; |
| 1817 | } |
| 1818 | |
| 1819 | static int wm8904_digital_mute(struct snd_soc_dai *codec_dai, int mute) |
| 1820 | { |
| 1821 | struct snd_soc_codec *codec = codec_dai->codec; |
| 1822 | int val; |
| 1823 | |
| 1824 | if (mute) |
| 1825 | val = WM8904_DAC_MUTE; |
| 1826 | else |
| 1827 | val = 0; |
| 1828 | |
| 1829 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val); |
| 1830 | |
| 1831 | return 0; |
| 1832 | } |
| 1833 | |
| 1834 | static int wm8904_set_bias_level(struct snd_soc_codec *codec, |
| 1835 | enum snd_soc_bias_level level) |
| 1836 | { |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 1837 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | c133421 | 2010-01-26 22:37:11 +0000 | [diff] [blame] | 1838 | int ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1839 | |
| 1840 | switch (level) { |
| 1841 | case SND_SOC_BIAS_ON: |
| 1842 | break; |
| 1843 | |
| 1844 | case SND_SOC_BIAS_PREPARE: |
| 1845 | /* VMID resistance 2*50k */ |
| 1846 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, |
| 1847 | WM8904_VMID_RES_MASK, |
| 1848 | 0x1 << WM8904_VMID_RES_SHIFT); |
| 1849 | |
| 1850 | /* Normal bias current */ |
| 1851 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, |
| 1852 | WM8904_ISEL_MASK, 2 << WM8904_ISEL_SHIFT); |
| 1853 | break; |
| 1854 | |
| 1855 | case SND_SOC_BIAS_STANDBY: |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1856 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1857 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), |
| 1858 | wm8904->supplies); |
| 1859 | if (ret != 0) { |
| 1860 | dev_err(codec->dev, |
| 1861 | "Failed to enable supplies: %d\n", |
| 1862 | ret); |
| 1863 | return ret; |
| 1864 | } |
| 1865 | |
Mark Brown | c1b88ee | 2012-06-09 11:27:17 +0800 | [diff] [blame] | 1866 | regcache_cache_only(wm8904->regmap, false); |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 1867 | regcache_sync(wm8904->regmap); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1868 | |
| 1869 | /* Enable bias */ |
| 1870 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, |
| 1871 | WM8904_BIAS_ENA, WM8904_BIAS_ENA); |
| 1872 | |
| 1873 | /* Enable VMID, VMID buffering, 2*5k resistance */ |
| 1874 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, |
| 1875 | WM8904_VMID_ENA | |
| 1876 | WM8904_VMID_RES_MASK, |
| 1877 | WM8904_VMID_ENA | |
| 1878 | 0x3 << WM8904_VMID_RES_SHIFT); |
| 1879 | |
| 1880 | /* Let VMID ramp */ |
| 1881 | msleep(1); |
| 1882 | } |
| 1883 | |
| 1884 | /* Maintain VMID with 2*250k */ |
| 1885 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, |
| 1886 | WM8904_VMID_RES_MASK, |
| 1887 | 0x2 << WM8904_VMID_RES_SHIFT); |
| 1888 | |
| 1889 | /* Bias current *0.5 */ |
| 1890 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, |
| 1891 | WM8904_ISEL_MASK, 0); |
| 1892 | break; |
| 1893 | |
| 1894 | case SND_SOC_BIAS_OFF: |
| 1895 | /* Turn off VMID */ |
| 1896 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, |
| 1897 | WM8904_VMID_RES_MASK | WM8904_VMID_ENA, 0); |
| 1898 | |
| 1899 | /* Stop bias generation */ |
| 1900 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, |
| 1901 | WM8904_BIAS_ENA, 0); |
| 1902 | |
Mark Brown | c1b88ee | 2012-06-09 11:27:17 +0800 | [diff] [blame] | 1903 | regcache_cache_only(wm8904->regmap, true); |
| 1904 | regcache_mark_dirty(wm8904->regmap); |
Mark Brown | c133421 | 2010-01-26 22:37:11 +0000 | [diff] [blame] | 1905 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1906 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), |
| 1907 | wm8904->supplies); |
| 1908 | break; |
| 1909 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1910 | codec->dapm.bias_level = level; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1911 | return 0; |
| 1912 | } |
| 1913 | |
| 1914 | #define WM8904_RATES SNDRV_PCM_RATE_8000_96000 |
| 1915 | |
| 1916 | #define WM8904_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 1917 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) |
| 1918 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 1919 | static const struct snd_soc_dai_ops wm8904_dai_ops = { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1920 | .set_sysclk = wm8904_set_sysclk, |
| 1921 | .set_fmt = wm8904_set_fmt, |
| 1922 | .set_tdm_slot = wm8904_set_tdm_slot, |
| 1923 | .set_pll = wm8904_set_fll, |
| 1924 | .hw_params = wm8904_hw_params, |
| 1925 | .digital_mute = wm8904_digital_mute, |
| 1926 | }; |
| 1927 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1928 | static struct snd_soc_dai_driver wm8904_dai = { |
| 1929 | .name = "wm8904-hifi", |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1930 | .playback = { |
| 1931 | .stream_name = "Playback", |
| 1932 | .channels_min = 2, |
| 1933 | .channels_max = 2, |
| 1934 | .rates = WM8904_RATES, |
| 1935 | .formats = WM8904_FORMATS, |
| 1936 | }, |
| 1937 | .capture = { |
| 1938 | .stream_name = "Capture", |
| 1939 | .channels_min = 2, |
| 1940 | .channels_max = 2, |
| 1941 | .rates = WM8904_RATES, |
| 1942 | .formats = WM8904_FORMATS, |
| 1943 | }, |
| 1944 | .ops = &wm8904_dai_ops, |
| 1945 | .symmetric_rates = 1, |
| 1946 | }; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1947 | |
| 1948 | #ifdef CONFIG_PM |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 1949 | static int wm8904_suspend(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1950 | { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1951 | wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 1952 | |
| 1953 | return 0; |
| 1954 | } |
| 1955 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1956 | static int wm8904_resume(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1957 | { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1958 | wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 1959 | |
| 1960 | return 0; |
| 1961 | } |
| 1962 | #else |
| 1963 | #define wm8904_suspend NULL |
| 1964 | #define wm8904_resume NULL |
| 1965 | #endif |
| 1966 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1967 | static void wm8904_handle_retune_mobile_pdata(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1968 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1969 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 1970 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 1971 | struct snd_kcontrol_new control = |
| 1972 | SOC_ENUM_EXT("EQ Mode", |
| 1973 | wm8904->retune_mobile_enum, |
| 1974 | wm8904_get_retune_mobile_enum, |
| 1975 | wm8904_put_retune_mobile_enum); |
| 1976 | int ret, i, j; |
| 1977 | const char **t; |
| 1978 | |
| 1979 | /* We need an array of texts for the enum API but the number |
| 1980 | * of texts is likely to be less than the number of |
| 1981 | * configurations due to the sample rate dependency of the |
| 1982 | * configurations. */ |
| 1983 | wm8904->num_retune_mobile_texts = 0; |
| 1984 | wm8904->retune_mobile_texts = NULL; |
| 1985 | for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { |
| 1986 | for (j = 0; j < wm8904->num_retune_mobile_texts; j++) { |
| 1987 | if (strcmp(pdata->retune_mobile_cfgs[i].name, |
| 1988 | wm8904->retune_mobile_texts[j]) == 0) |
| 1989 | break; |
| 1990 | } |
| 1991 | |
| 1992 | if (j != wm8904->num_retune_mobile_texts) |
| 1993 | continue; |
| 1994 | |
| 1995 | /* Expand the array... */ |
| 1996 | t = krealloc(wm8904->retune_mobile_texts, |
| 1997 | sizeof(char *) * |
| 1998 | (wm8904->num_retune_mobile_texts + 1), |
| 1999 | GFP_KERNEL); |
| 2000 | if (t == NULL) |
| 2001 | continue; |
| 2002 | |
| 2003 | /* ...store the new entry... */ |
| 2004 | t[wm8904->num_retune_mobile_texts] = |
| 2005 | pdata->retune_mobile_cfgs[i].name; |
| 2006 | |
| 2007 | /* ...and remember the new version. */ |
| 2008 | wm8904->num_retune_mobile_texts++; |
| 2009 | wm8904->retune_mobile_texts = t; |
| 2010 | } |
| 2011 | |
| 2012 | dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n", |
| 2013 | wm8904->num_retune_mobile_texts); |
| 2014 | |
| 2015 | wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts; |
| 2016 | wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts; |
| 2017 | |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 2018 | ret = snd_soc_add_codec_controls(codec, &control, 1); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2019 | if (ret != 0) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2020 | dev_err(codec->dev, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2021 | "Failed to add ReTune Mobile control: %d\n", ret); |
| 2022 | } |
| 2023 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2024 | static void wm8904_handle_pdata(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2025 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2026 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2027 | struct wm8904_pdata *pdata = wm8904->pdata; |
| 2028 | int ret, i; |
| 2029 | |
| 2030 | if (!pdata) { |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 2031 | snd_soc_add_codec_controls(codec, wm8904_eq_controls, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2032 | ARRAY_SIZE(wm8904_eq_controls)); |
| 2033 | return; |
| 2034 | } |
| 2035 | |
| 2036 | dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs); |
| 2037 | |
| 2038 | if (pdata->num_drc_cfgs) { |
| 2039 | struct snd_kcontrol_new control = |
| 2040 | SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum, |
| 2041 | wm8904_get_drc_enum, wm8904_put_drc_enum); |
| 2042 | |
| 2043 | /* We need an array of texts for the enum API */ |
| 2044 | wm8904->drc_texts = kmalloc(sizeof(char *) |
| 2045 | * pdata->num_drc_cfgs, GFP_KERNEL); |
| 2046 | if (!wm8904->drc_texts) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2047 | dev_err(codec->dev, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2048 | "Failed to allocate %d DRC config texts\n", |
| 2049 | pdata->num_drc_cfgs); |
| 2050 | return; |
| 2051 | } |
| 2052 | |
| 2053 | for (i = 0; i < pdata->num_drc_cfgs; i++) |
| 2054 | wm8904->drc_texts[i] = pdata->drc_cfgs[i].name; |
| 2055 | |
| 2056 | wm8904->drc_enum.max = pdata->num_drc_cfgs; |
| 2057 | wm8904->drc_enum.texts = wm8904->drc_texts; |
| 2058 | |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 2059 | ret = snd_soc_add_codec_controls(codec, &control, 1); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2060 | if (ret != 0) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2061 | dev_err(codec->dev, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2062 | "Failed to add DRC mode control: %d\n", ret); |
| 2063 | |
| 2064 | wm8904_set_drc(codec); |
| 2065 | } |
| 2066 | |
| 2067 | dev_dbg(codec->dev, "%d ReTune Mobile configurations\n", |
| 2068 | pdata->num_retune_mobile_cfgs); |
| 2069 | |
| 2070 | if (pdata->num_retune_mobile_cfgs) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2071 | wm8904_handle_retune_mobile_pdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2072 | else |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 2073 | snd_soc_add_codec_controls(codec, wm8904_eq_controls, |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2074 | ARRAY_SIZE(wm8904_eq_controls)); |
| 2075 | } |
| 2076 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2077 | |
| 2078 | static int wm8904_probe(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2079 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2080 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | cdce4e9 | 2010-03-16 12:01:28 +0000 | [diff] [blame] | 2081 | struct wm8904_pdata *pdata = wm8904->pdata; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2082 | int ret, i; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2083 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2084 | codec->control_data = wm8904->regmap; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2085 | |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 2086 | switch (wm8904->devtype) { |
| 2087 | case WM8904: |
| 2088 | break; |
| 2089 | case WM8912: |
| 2090 | memset(&wm8904_dai.capture, 0, sizeof(wm8904_dai.capture)); |
| 2091 | break; |
| 2092 | default: |
| 2093 | dev_err(codec->dev, "Unknown device type %d\n", |
| 2094 | wm8904->devtype); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2095 | return -EINVAL; |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 2096 | } |
| 2097 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2098 | ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2099 | if (ret != 0) { |
| 2100 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2101 | return ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2102 | } |
| 2103 | |
| 2104 | for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++) |
| 2105 | wm8904->supplies[i].supply = wm8904_supply_names[i]; |
| 2106 | |
| 2107 | ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8904->supplies), |
| 2108 | wm8904->supplies); |
| 2109 | if (ret != 0) { |
| 2110 | dev_err(codec->dev, "Failed to request supplies: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2111 | return ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2112 | } |
| 2113 | |
| 2114 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), |
| 2115 | wm8904->supplies); |
| 2116 | if (ret != 0) { |
| 2117 | dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); |
| 2118 | goto err_get; |
| 2119 | } |
| 2120 | |
| 2121 | ret = snd_soc_read(codec, WM8904_SW_RESET_AND_ID); |
| 2122 | if (ret < 0) { |
| 2123 | dev_err(codec->dev, "Failed to read ID register\n"); |
| 2124 | goto err_enable; |
| 2125 | } |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2126 | if (ret != 0x8904) { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2127 | dev_err(codec->dev, "Device is not a WM8904, ID is %x\n", ret); |
| 2128 | ret = -EINVAL; |
| 2129 | goto err_enable; |
| 2130 | } |
| 2131 | |
| 2132 | ret = snd_soc_read(codec, WM8904_REVISION); |
| 2133 | if (ret < 0) { |
| 2134 | dev_err(codec->dev, "Failed to read device revision: %d\n", |
| 2135 | ret); |
| 2136 | goto err_enable; |
| 2137 | } |
| 2138 | dev_info(codec->dev, "revision %c\n", ret + 'A'); |
| 2139 | |
| 2140 | ret = wm8904_reset(codec); |
| 2141 | if (ret < 0) { |
| 2142 | dev_err(codec->dev, "Failed to issue reset\n"); |
| 2143 | goto err_enable; |
| 2144 | } |
| 2145 | |
Mark Brown | c1b88ee | 2012-06-09 11:27:17 +0800 | [diff] [blame] | 2146 | regcache_cache_only(wm8904->regmap, true); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2147 | /* Change some default settings - latch VU and enable ZC */ |
Mark Brown | a1b3b5e | 2010-12-24 16:59:30 +0000 | [diff] [blame] | 2148 | snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_LEFT, |
| 2149 | WM8904_ADC_VU, WM8904_ADC_VU); |
| 2150 | snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_RIGHT, |
| 2151 | WM8904_ADC_VU, WM8904_ADC_VU); |
| 2152 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_LEFT, |
| 2153 | WM8904_DAC_VU, WM8904_DAC_VU); |
| 2154 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_RIGHT, |
| 2155 | WM8904_DAC_VU, WM8904_DAC_VU); |
| 2156 | snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_LEFT, |
| 2157 | WM8904_HPOUT_VU | WM8904_HPOUTLZC, |
| 2158 | WM8904_HPOUT_VU | WM8904_HPOUTLZC); |
| 2159 | snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_RIGHT, |
| 2160 | WM8904_HPOUT_VU | WM8904_HPOUTRZC, |
| 2161 | WM8904_HPOUT_VU | WM8904_HPOUTRZC); |
| 2162 | snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_LEFT, |
| 2163 | WM8904_LINEOUT_VU | WM8904_LINEOUTLZC, |
| 2164 | WM8904_LINEOUT_VU | WM8904_LINEOUTLZC); |
| 2165 | snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_RIGHT, |
| 2166 | WM8904_LINEOUT_VU | WM8904_LINEOUTRZC, |
| 2167 | WM8904_LINEOUT_VU | WM8904_LINEOUTRZC); |
| 2168 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, |
| 2169 | WM8904_SR_MODE, 0); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2170 | |
Mark Brown | cdce4e9 | 2010-03-16 12:01:28 +0000 | [diff] [blame] | 2171 | /* Apply configuration from the platform data. */ |
| 2172 | if (wm8904->pdata) { |
| 2173 | for (i = 0; i < WM8904_GPIO_REGS; i++) { |
| 2174 | if (!pdata->gpio_cfg[i]) |
| 2175 | continue; |
| 2176 | |
Mark Brown | 433897f | 2012-06-09 11:38:12 +0800 | [diff] [blame] | 2177 | regmap_update_bits(wm8904->regmap, |
| 2178 | WM8904_GPIO_CONTROL_1 + i, |
| 2179 | 0xffff, |
| 2180 | pdata->gpio_cfg[i]); |
Mark Brown | cdce4e9 | 2010-03-16 12:01:28 +0000 | [diff] [blame] | 2181 | } |
Mark Brown | fbc2dae | 2010-03-16 14:26:45 +0000 | [diff] [blame] | 2182 | |
| 2183 | /* Zero is the default value for these anyway */ |
| 2184 | for (i = 0; i < WM8904_MIC_REGS; i++) |
Mark Brown | 433897f | 2012-06-09 11:38:12 +0800 | [diff] [blame] | 2185 | regmap_update_bits(wm8904->regmap, |
| 2186 | WM8904_MIC_BIAS_CONTROL_0 + i, |
| 2187 | 0xffff, |
| 2188 | pdata->mic_cfg[i]); |
Mark Brown | cdce4e9 | 2010-03-16 12:01:28 +0000 | [diff] [blame] | 2189 | } |
| 2190 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2191 | /* Set Class W by default - this will be managed by the Class |
| 2192 | * G widget at runtime where bypass paths are available. |
| 2193 | */ |
Mark Brown | a1b3b5e | 2010-12-24 16:59:30 +0000 | [diff] [blame] | 2194 | snd_soc_update_bits(codec, WM8904_CLASS_W_0, |
| 2195 | WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2196 | |
| 2197 | /* Use normal bias source */ |
Mark Brown | a1b3b5e | 2010-12-24 16:59:30 +0000 | [diff] [blame] | 2198 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, |
| 2199 | WM8904_POBCTRL, 0); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2200 | |
| 2201 | wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 2202 | |
| 2203 | /* Bias level configuration will have done an extra enable */ |
| 2204 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); |
| 2205 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2206 | wm8904_handle_pdata(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2207 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2208 | wm8904_add_widgets(codec); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2209 | |
| 2210 | return 0; |
| 2211 | |
| 2212 | err_enable: |
| 2213 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); |
| 2214 | err_get: |
| 2215 | regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2216 | return ret; |
| 2217 | } |
| 2218 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2219 | static int wm8904_remove(struct snd_soc_codec *codec) |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2220 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2221 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
| 2222 | |
| 2223 | wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2224 | regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); |
Axel Lin | cd70978 | 2010-11-23 15:57:49 +0800 | [diff] [blame] | 2225 | kfree(wm8904->retune_mobile_texts); |
| 2226 | kfree(wm8904->drc_texts); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2227 | |
| 2228 | return 0; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2229 | } |
| 2230 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2231 | static struct snd_soc_codec_driver soc_codec_dev_wm8904 = { |
| 2232 | .probe = wm8904_probe, |
| 2233 | .remove = wm8904_remove, |
| 2234 | .suspend = wm8904_suspend, |
| 2235 | .resume = wm8904_resume, |
| 2236 | .set_bias_level = wm8904_set_bias_level, |
Axel Lin | eb3032f | 2012-01-27 18:02:09 +0800 | [diff] [blame] | 2237 | .idle_bias_off = true, |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2238 | }; |
| 2239 | |
| 2240 | static const struct regmap_config wm8904_regmap = { |
| 2241 | .reg_bits = 8, |
| 2242 | .val_bits = 16, |
| 2243 | |
| 2244 | .max_register = WM8904_MAX_REGISTER, |
| 2245 | .volatile_reg = wm8904_volatile_register, |
| 2246 | .readable_reg = wm8904_readable_register, |
| 2247 | |
| 2248 | .cache_type = REGCACHE_RBTREE, |
| 2249 | .reg_defaults = wm8904_reg_defaults, |
| 2250 | .num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults), |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2251 | }; |
| 2252 | |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2253 | static __devinit int wm8904_i2c_probe(struct i2c_client *i2c, |
| 2254 | const struct i2c_device_id *id) |
| 2255 | { |
| 2256 | struct wm8904_priv *wm8904; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2257 | int ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2258 | |
Mark Brown | 93e26d4 | 2011-12-29 20:05:00 +0000 | [diff] [blame] | 2259 | wm8904 = devm_kzalloc(&i2c->dev, sizeof(struct wm8904_priv), |
| 2260 | GFP_KERNEL); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2261 | if (wm8904 == NULL) |
| 2262 | return -ENOMEM; |
| 2263 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2264 | wm8904->regmap = regmap_init_i2c(i2c, &wm8904_regmap); |
| 2265 | if (IS_ERR(wm8904->regmap)) { |
| 2266 | ret = PTR_ERR(wm8904->regmap); |
| 2267 | dev_err(&i2c->dev, "Failed to allocate register map: %d\n", |
| 2268 | ret); |
| 2269 | return ret; |
| 2270 | } |
| 2271 | |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 2272 | wm8904->devtype = id->driver_data; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2273 | i2c_set_clientdata(i2c, wm8904); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2274 | wm8904->pdata = i2c->dev.platform_data; |
| 2275 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2276 | ret = snd_soc_register_codec(&i2c->dev, |
| 2277 | &soc_codec_dev_wm8904, &wm8904_dai, 1); |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2278 | if (ret != 0) |
| 2279 | goto err; |
Mark Brown | 93e26d4 | 2011-12-29 20:05:00 +0000 | [diff] [blame] | 2280 | |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2281 | return 0; |
| 2282 | |
| 2283 | err: |
| 2284 | regmap_exit(wm8904->regmap); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2285 | return ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2286 | } |
| 2287 | |
| 2288 | static __devexit int wm8904_i2c_remove(struct i2c_client *client) |
| 2289 | { |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2290 | struct wm8904_priv *wm8904 = i2c_get_clientdata(client); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2291 | snd_soc_unregister_codec(&client->dev); |
Mark Brown | 84d0d83 | 2011-12-29 21:12:51 +0000 | [diff] [blame] | 2292 | regmap_exit(wm8904->regmap); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2293 | return 0; |
| 2294 | } |
| 2295 | |
| 2296 | static const struct i2c_device_id wm8904_i2c_id[] = { |
Mark Brown | 8c12647 | 2010-02-03 19:33:49 +0000 | [diff] [blame] | 2297 | { "wm8904", WM8904 }, |
| 2298 | { "wm8912", WM8912 }, |
Mark Brown | df1553c | 2011-06-22 20:07:24 +0100 | [diff] [blame] | 2299 | { "wm8918", WM8904 }, /* Actually a subset, updates to follow */ |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2300 | { } |
| 2301 | }; |
| 2302 | MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id); |
| 2303 | |
| 2304 | static struct i2c_driver wm8904_i2c_driver = { |
| 2305 | .driver = { |
Mark Brown | 091edcc | 2011-12-02 22:08:49 +0000 | [diff] [blame] | 2306 | .name = "wm8904", |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2307 | .owner = THIS_MODULE, |
| 2308 | }, |
| 2309 | .probe = wm8904_i2c_probe, |
| 2310 | .remove = __devexit_p(wm8904_i2c_remove), |
| 2311 | .id_table = wm8904_i2c_id, |
| 2312 | }; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2313 | |
| 2314 | static int __init wm8904_modinit(void) |
| 2315 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2316 | int ret = 0; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2317 | ret = i2c_add_driver(&wm8904_i2c_driver); |
| 2318 | if (ret != 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2319 | printk(KERN_ERR "Failed to register wm8904 I2C driver: %d\n", |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2320 | ret); |
| 2321 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2322 | return ret; |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2323 | } |
| 2324 | module_init(wm8904_modinit); |
| 2325 | |
| 2326 | static void __exit wm8904_exit(void) |
| 2327 | { |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2328 | i2c_del_driver(&wm8904_i2c_driver); |
Mark Brown | a91eb19 | 2009-11-26 11:56:07 +0000 | [diff] [blame] | 2329 | } |
| 2330 | module_exit(wm8904_exit); |
| 2331 | |
| 2332 | MODULE_DESCRIPTION("ASoC WM8904 driver"); |
| 2333 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 2334 | MODULE_LICENSE("GPL"); |