Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 1 | /* |
| 2 | * uda134x.c -- UDA134X ALSA SoC Codec driver |
| 3 | * |
| 4 | * Modifications by Christian Pellegrin <chripell@evolware.org> |
| 5 | * |
| 6 | * Copyright 2007 Dension Audio Systems Ltd. |
| 7 | * Author: Zoltan Devai |
| 8 | * |
| 9 | * Based on the WM87xx drivers by Liam Girdwood and Richard Purdie |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License version 2 as |
| 13 | * published by the Free Software Foundation. |
| 14 | */ |
| 15 | |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/delay.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 18 | #include <linux/slab.h> |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 19 | #include <sound/pcm.h> |
| 20 | #include <sound/pcm_params.h> |
| 21 | #include <sound/soc.h> |
| 22 | #include <sound/soc-dapm.h> |
| 23 | #include <sound/initval.h> |
| 24 | |
| 25 | #include <sound/uda134x.h> |
| 26 | #include <sound/l3.h> |
| 27 | |
Mark Brown | 72f2b89 | 2008-11-18 12:25:46 +0000 | [diff] [blame] | 28 | #include "uda134x.h" |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 29 | |
| 30 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 31 | #define UDA134X_RATES SNDRV_PCM_RATE_8000_48000 |
| 32 | #define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ |
| 33 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE) |
| 34 | |
| 35 | struct uda134x_priv { |
| 36 | int sysclk; |
| 37 | int dai_fmt; |
| 38 | |
| 39 | struct snd_pcm_substream *master_substream; |
| 40 | struct snd_pcm_substream *slave_substream; |
| 41 | }; |
| 42 | |
| 43 | /* In-data addresses are hard-coded into the reg-cache values */ |
| 44 | static const char uda134x_reg[UDA134X_REGS_NUM] = { |
| 45 | /* Extended address registers */ |
| 46 | 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 47 | /* Status, data regs */ |
Vladimir Zapolskiy | ed632ad | 2010-06-24 15:17:07 +0400 | [diff] [blame] | 48 | 0x00, 0x83, 0x00, 0x40, 0x80, 0xC0, 0x00, |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 49 | }; |
| 50 | |
| 51 | /* |
| 52 | * The codec has no support for reading its registers except for peak level... |
| 53 | */ |
| 54 | static inline unsigned int uda134x_read_reg_cache(struct snd_soc_codec *codec, |
| 55 | unsigned int reg) |
| 56 | { |
| 57 | u8 *cache = codec->reg_cache; |
| 58 | |
| 59 | if (reg >= UDA134X_REGS_NUM) |
| 60 | return -1; |
| 61 | return cache[reg]; |
| 62 | } |
| 63 | |
| 64 | /* |
| 65 | * Write the register cache |
| 66 | */ |
| 67 | static inline void uda134x_write_reg_cache(struct snd_soc_codec *codec, |
| 68 | u8 reg, unsigned int value) |
| 69 | { |
| 70 | u8 *cache = codec->reg_cache; |
| 71 | |
| 72 | if (reg >= UDA134X_REGS_NUM) |
| 73 | return; |
| 74 | cache[reg] = value; |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * Write to the uda134x registers |
| 79 | * |
| 80 | */ |
| 81 | static int uda134x_write(struct snd_soc_codec *codec, unsigned int reg, |
| 82 | unsigned int value) |
| 83 | { |
| 84 | int ret; |
| 85 | u8 addr; |
| 86 | u8 data = value; |
| 87 | struct uda134x_platform_data *pd = codec->control_data; |
| 88 | |
| 89 | pr_debug("%s reg: %02X, value:%02X\n", __func__, reg, value); |
| 90 | |
| 91 | if (reg >= UDA134X_REGS_NUM) { |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 92 | printk(KERN_ERR "%s unknown register: reg: %u", |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 93 | __func__, reg); |
| 94 | return -EINVAL; |
| 95 | } |
| 96 | |
| 97 | uda134x_write_reg_cache(codec, reg, value); |
| 98 | |
| 99 | switch (reg) { |
| 100 | case UDA134X_STATUS0: |
| 101 | case UDA134X_STATUS1: |
| 102 | addr = UDA134X_STATUS_ADDR; |
| 103 | break; |
| 104 | case UDA134X_DATA000: |
| 105 | case UDA134X_DATA001: |
| 106 | case UDA134X_DATA010: |
Vladimir Zapolskiy | ed632ad | 2010-06-24 15:17:07 +0400 | [diff] [blame] | 107 | case UDA134X_DATA011: |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 108 | addr = UDA134X_DATA0_ADDR; |
| 109 | break; |
| 110 | case UDA134X_DATA1: |
| 111 | addr = UDA134X_DATA1_ADDR; |
| 112 | break; |
| 113 | default: |
| 114 | /* It's an extended address register */ |
| 115 | addr = (reg | UDA134X_EXTADDR_PREFIX); |
| 116 | |
| 117 | ret = l3_write(&pd->l3, |
| 118 | UDA134X_DATA0_ADDR, &addr, 1); |
| 119 | if (ret != 1) |
| 120 | return -EIO; |
| 121 | |
| 122 | addr = UDA134X_DATA0_ADDR; |
| 123 | data = (value | UDA134X_EXTDATA_PREFIX); |
| 124 | break; |
| 125 | } |
| 126 | |
| 127 | ret = l3_write(&pd->l3, |
| 128 | addr, &data, 1); |
| 129 | if (ret != 1) |
| 130 | return -EIO; |
| 131 | |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | static inline void uda134x_reset(struct snd_soc_codec *codec) |
| 136 | { |
| 137 | u8 reset_reg = uda134x_read_reg_cache(codec, UDA134X_STATUS0); |
| 138 | uda134x_write(codec, UDA134X_STATUS0, reset_reg | (1<<6)); |
| 139 | msleep(1); |
| 140 | uda134x_write(codec, UDA134X_STATUS0, reset_reg & ~(1<<6)); |
| 141 | } |
| 142 | |
| 143 | static int uda134x_mute(struct snd_soc_dai *dai, int mute) |
| 144 | { |
| 145 | struct snd_soc_codec *codec = dai->codec; |
| 146 | u8 mute_reg = uda134x_read_reg_cache(codec, UDA134X_DATA010); |
| 147 | |
| 148 | pr_debug("%s mute: %d\n", __func__, mute); |
| 149 | |
| 150 | if (mute) |
| 151 | mute_reg |= (1<<2); |
| 152 | else |
| 153 | mute_reg &= ~(1<<2); |
| 154 | |
Shine Liu | 0c093fb | 2009-08-17 18:52:01 +0800 | [diff] [blame] | 155 | uda134x_write(codec, UDA134X_DATA010, mute_reg); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
Mark Brown | dee89c4 | 2008-11-18 22:11:38 +0000 | [diff] [blame] | 160 | static int uda134x_startup(struct snd_pcm_substream *substream, |
| 161 | struct snd_soc_dai *dai) |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 162 | { |
| 163 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 164 | struct snd_soc_device *socdev = rtd->socdev; |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 165 | struct snd_soc_codec *codec = socdev->card->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 166 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 167 | struct snd_pcm_runtime *master_runtime; |
| 168 | |
| 169 | if (uda134x->master_substream) { |
| 170 | master_runtime = uda134x->master_substream->runtime; |
| 171 | |
| 172 | pr_debug("%s constraining to %d bits at %d\n", __func__, |
| 173 | master_runtime->sample_bits, |
| 174 | master_runtime->rate); |
| 175 | |
| 176 | snd_pcm_hw_constraint_minmax(substream->runtime, |
| 177 | SNDRV_PCM_HW_PARAM_RATE, |
| 178 | master_runtime->rate, |
| 179 | master_runtime->rate); |
| 180 | |
| 181 | snd_pcm_hw_constraint_minmax(substream->runtime, |
| 182 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, |
| 183 | master_runtime->sample_bits, |
| 184 | master_runtime->sample_bits); |
| 185 | |
| 186 | uda134x->slave_substream = substream; |
| 187 | } else |
| 188 | uda134x->master_substream = substream; |
| 189 | |
| 190 | return 0; |
| 191 | } |
| 192 | |
Mark Brown | dee89c4 | 2008-11-18 22:11:38 +0000 | [diff] [blame] | 193 | static void uda134x_shutdown(struct snd_pcm_substream *substream, |
| 194 | struct snd_soc_dai *dai) |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 195 | { |
| 196 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 197 | struct snd_soc_device *socdev = rtd->socdev; |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 198 | struct snd_soc_codec *codec = socdev->card->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 199 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 200 | |
| 201 | if (uda134x->master_substream == substream) |
| 202 | uda134x->master_substream = uda134x->slave_substream; |
| 203 | |
| 204 | uda134x->slave_substream = NULL; |
| 205 | } |
| 206 | |
| 207 | static int uda134x_hw_params(struct snd_pcm_substream *substream, |
Mark Brown | dee89c4 | 2008-11-18 22:11:38 +0000 | [diff] [blame] | 208 | struct snd_pcm_hw_params *params, |
| 209 | struct snd_soc_dai *dai) |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 210 | { |
| 211 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 212 | struct snd_soc_device *socdev = rtd->socdev; |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 213 | struct snd_soc_codec *codec = socdev->card->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 214 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 215 | u8 hw_params; |
| 216 | |
| 217 | if (substream == uda134x->slave_substream) { |
| 218 | pr_debug("%s ignoring hw_params for slave substream\n", |
| 219 | __func__); |
| 220 | return 0; |
| 221 | } |
| 222 | |
| 223 | hw_params = uda134x_read_reg_cache(codec, UDA134X_STATUS0); |
| 224 | hw_params &= STATUS0_SYSCLK_MASK; |
| 225 | hw_params &= STATUS0_DAIFMT_MASK; |
| 226 | |
| 227 | pr_debug("%s sysclk: %d, rate:%d\n", __func__, |
| 228 | uda134x->sysclk, params_rate(params)); |
| 229 | |
| 230 | /* set SYSCLK / fs ratio */ |
| 231 | switch (uda134x->sysclk / params_rate(params)) { |
| 232 | case 512: |
| 233 | break; |
| 234 | case 384: |
| 235 | hw_params |= (1<<4); |
| 236 | break; |
| 237 | case 256: |
| 238 | hw_params |= (1<<5); |
| 239 | break; |
| 240 | default: |
| 241 | printk(KERN_ERR "%s unsupported fs\n", __func__); |
| 242 | return -EINVAL; |
| 243 | } |
| 244 | |
| 245 | pr_debug("%s dai_fmt: %d, params_format:%d\n", __func__, |
| 246 | uda134x->dai_fmt, params_format(params)); |
| 247 | |
| 248 | /* set DAI format and word length */ |
| 249 | switch (uda134x->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 250 | case SND_SOC_DAIFMT_I2S: |
| 251 | break; |
| 252 | case SND_SOC_DAIFMT_RIGHT_J: |
| 253 | switch (params_format(params)) { |
| 254 | case SNDRV_PCM_FORMAT_S16_LE: |
| 255 | hw_params |= (1<<1); |
| 256 | break; |
| 257 | case SNDRV_PCM_FORMAT_S18_3LE: |
| 258 | hw_params |= (1<<2); |
| 259 | break; |
| 260 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 261 | hw_params |= ((1<<2) | (1<<1)); |
| 262 | break; |
| 263 | default: |
| 264 | printk(KERN_ERR "%s unsupported format (right)\n", |
| 265 | __func__); |
| 266 | return -EINVAL; |
| 267 | } |
| 268 | break; |
| 269 | case SND_SOC_DAIFMT_LEFT_J: |
| 270 | hw_params |= (1<<3); |
| 271 | break; |
| 272 | default: |
| 273 | printk(KERN_ERR "%s unsupported format\n", __func__); |
| 274 | return -EINVAL; |
| 275 | } |
| 276 | |
| 277 | uda134x_write(codec, UDA134X_STATUS0, hw_params); |
| 278 | |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static int uda134x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
| 283 | int clk_id, unsigned int freq, int dir) |
| 284 | { |
| 285 | struct snd_soc_codec *codec = codec_dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 286 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 287 | |
Roel Kluin | 449bd54 | 2009-05-27 17:08:39 -0700 | [diff] [blame] | 288 | pr_debug("%s clk_id: %d, freq: %u, dir: %d\n", __func__, |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 289 | clk_id, freq, dir); |
| 290 | |
| 291 | /* Anything between 256fs*8Khz and 512fs*48Khz should be acceptable |
| 292 | because the codec is slave. Of course limitations of the clock |
| 293 | master (the IIS controller) apply. |
| 294 | We'll error out on set_hw_params if it's not OK */ |
| 295 | if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) { |
| 296 | uda134x->sysclk = freq; |
| 297 | return 0; |
| 298 | } |
| 299 | |
| 300 | printk(KERN_ERR "%s unsupported sysclk\n", __func__); |
| 301 | return -EINVAL; |
| 302 | } |
| 303 | |
| 304 | static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| 305 | unsigned int fmt) |
| 306 | { |
| 307 | struct snd_soc_codec *codec = codec_dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 308 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 309 | |
| 310 | pr_debug("%s fmt: %08X\n", __func__, fmt); |
| 311 | |
| 312 | /* codec supports only full slave mode */ |
| 313 | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) { |
| 314 | printk(KERN_ERR "%s unsupported slave mode\n", __func__); |
| 315 | return -EINVAL; |
| 316 | } |
| 317 | |
| 318 | /* no support for clock inversion */ |
| 319 | if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { |
| 320 | printk(KERN_ERR "%s unsupported clock inversion\n", __func__); |
| 321 | return -EINVAL; |
| 322 | } |
| 323 | |
| 324 | /* We can't setup DAI format here as it depends on the word bit num */ |
| 325 | /* so let's just store the value for later */ |
| 326 | uda134x->dai_fmt = fmt; |
| 327 | |
| 328 | return 0; |
| 329 | } |
| 330 | |
| 331 | static int uda134x_set_bias_level(struct snd_soc_codec *codec, |
| 332 | enum snd_soc_bias_level level) |
| 333 | { |
| 334 | u8 reg; |
| 335 | struct uda134x_platform_data *pd = codec->control_data; |
| 336 | int i; |
| 337 | u8 *cache = codec->reg_cache; |
| 338 | |
| 339 | pr_debug("%s bias level %d\n", __func__, level); |
| 340 | |
| 341 | switch (level) { |
| 342 | case SND_SOC_BIAS_ON: |
| 343 | /* ADC, DAC on */ |
Vladimir Zapolskiy | 338de9d | 2010-06-24 17:19:25 +0400 | [diff] [blame] | 344 | switch (pd->model) { |
| 345 | case UDA134X_UDA1340: |
| 346 | case UDA134X_UDA1344: |
| 347 | case UDA134X_UDA1345: |
| 348 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); |
| 349 | uda134x_write(codec, UDA134X_DATA011, reg | 0x03); |
| 350 | break; |
| 351 | case UDA134X_UDA1341: |
| 352 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); |
| 353 | uda134x_write(codec, UDA134X_STATUS1, reg | 0x03); |
| 354 | break; |
| 355 | default: |
| 356 | printk(KERN_ERR "UDA134X SoC codec: " |
| 357 | "unsupported model %d\n", pd->model); |
| 358 | return -EINVAL; |
| 359 | } |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 360 | break; |
| 361 | case SND_SOC_BIAS_PREPARE: |
| 362 | /* power on */ |
| 363 | if (pd->power) { |
| 364 | pd->power(1); |
| 365 | /* Sync reg_cache with the hardware */ |
| 366 | for (i = 0; i < ARRAY_SIZE(uda134x_reg); i++) |
| 367 | codec->write(codec, i, *cache++); |
| 368 | } |
| 369 | break; |
| 370 | case SND_SOC_BIAS_STANDBY: |
| 371 | /* ADC, DAC power off */ |
Vladimir Zapolskiy | 338de9d | 2010-06-24 17:19:25 +0400 | [diff] [blame] | 372 | switch (pd->model) { |
| 373 | case UDA134X_UDA1340: |
| 374 | case UDA134X_UDA1344: |
| 375 | case UDA134X_UDA1345: |
| 376 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); |
| 377 | uda134x_write(codec, UDA134X_DATA011, reg & ~(0x03)); |
| 378 | break; |
| 379 | case UDA134X_UDA1341: |
| 380 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); |
| 381 | uda134x_write(codec, UDA134X_STATUS1, reg & ~(0x03)); |
| 382 | break; |
| 383 | default: |
| 384 | printk(KERN_ERR "UDA134X SoC codec: " |
| 385 | "unsupported model %d\n", pd->model); |
| 386 | return -EINVAL; |
| 387 | } |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 388 | break; |
| 389 | case SND_SOC_BIAS_OFF: |
| 390 | /* power off */ |
| 391 | if (pd->power) |
| 392 | pd->power(0); |
| 393 | break; |
| 394 | } |
| 395 | codec->bias_level = level; |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | static const char *uda134x_dsp_setting[] = {"Flat", "Minimum1", |
| 400 | "Minimum2", "Maximum"}; |
| 401 | static const char *uda134x_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; |
| 402 | static const char *uda134x_mixmode[] = {"Differential", "Analog1", |
| 403 | "Analog2", "Both"}; |
| 404 | |
| 405 | static const struct soc_enum uda134x_mixer_enum[] = { |
| 406 | SOC_ENUM_SINGLE(UDA134X_DATA010, 0, 0x04, uda134x_dsp_setting), |
| 407 | SOC_ENUM_SINGLE(UDA134X_DATA010, 3, 0x04, uda134x_deemph), |
| 408 | SOC_ENUM_SINGLE(UDA134X_EA010, 0, 0x04, uda134x_mixmode), |
| 409 | }; |
| 410 | |
| 411 | static const struct snd_kcontrol_new uda1341_snd_controls[] = { |
| 412 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), |
| 413 | SOC_SINGLE("Capture Volume", UDA134X_EA010, 2, 0x07, 0), |
| 414 | SOC_SINGLE("Analog1 Volume", UDA134X_EA000, 0, 0x1F, 1), |
| 415 | SOC_SINGLE("Analog2 Volume", UDA134X_EA001, 0, 0x1F, 1), |
| 416 | |
| 417 | SOC_SINGLE("Mic Sensitivity", UDA134X_EA010, 2, 7, 0), |
| 418 | SOC_SINGLE("Mic Volume", UDA134X_EA101, 0, 0x1F, 0), |
| 419 | |
| 420 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), |
| 421 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), |
| 422 | |
| 423 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), |
| 424 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), |
| 425 | SOC_ENUM("Input Mux", uda134x_mixer_enum[2]), |
| 426 | |
| 427 | SOC_SINGLE("AGC Switch", UDA134X_EA100, 4, 1, 0), |
| 428 | SOC_SINGLE("AGC Target Volume", UDA134X_EA110, 0, 0x03, 1), |
| 429 | SOC_SINGLE("AGC Timing", UDA134X_EA110, 2, 0x07, 0), |
| 430 | |
| 431 | SOC_SINGLE("DAC +6dB Switch", UDA134X_STATUS1, 6, 1, 0), |
| 432 | SOC_SINGLE("ADC +6dB Switch", UDA134X_STATUS1, 5, 1, 0), |
| 433 | SOC_SINGLE("ADC Polarity Switch", UDA134X_STATUS1, 4, 1, 0), |
| 434 | SOC_SINGLE("DAC Polarity Switch", UDA134X_STATUS1, 3, 1, 0), |
| 435 | SOC_SINGLE("Double Speed Playback Switch", UDA134X_STATUS1, 2, 1, 0), |
| 436 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), |
| 437 | }; |
| 438 | |
| 439 | static const struct snd_kcontrol_new uda1340_snd_controls[] = { |
| 440 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), |
| 441 | |
| 442 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), |
| 443 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), |
| 444 | |
| 445 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), |
| 446 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), |
| 447 | |
| 448 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), |
| 449 | }; |
| 450 | |
Vladimir Zapolskiy | b28528a | 2010-04-26 14:56:57 +0400 | [diff] [blame] | 451 | static const struct snd_kcontrol_new uda1345_snd_controls[] = { |
| 452 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), |
| 453 | |
| 454 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), |
| 455 | |
| 456 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), |
| 457 | }; |
| 458 | |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 459 | static struct snd_soc_dai_ops uda134x_dai_ops = { |
| 460 | .startup = uda134x_startup, |
| 461 | .shutdown = uda134x_shutdown, |
| 462 | .hw_params = uda134x_hw_params, |
| 463 | .digital_mute = uda134x_mute, |
| 464 | .set_sysclk = uda134x_set_dai_sysclk, |
| 465 | .set_fmt = uda134x_set_dai_fmt, |
| 466 | }; |
| 467 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 468 | struct snd_soc_dai uda134x_dai = { |
| 469 | .name = "UDA134X", |
| 470 | /* playback capabilities */ |
| 471 | .playback = { |
| 472 | .stream_name = "Playback", |
| 473 | .channels_min = 1, |
| 474 | .channels_max = 2, |
| 475 | .rates = UDA134X_RATES, |
| 476 | .formats = UDA134X_FORMATS, |
| 477 | }, |
| 478 | /* capture capabilities */ |
| 479 | .capture = { |
| 480 | .stream_name = "Capture", |
| 481 | .channels_min = 1, |
| 482 | .channels_max = 2, |
| 483 | .rates = UDA134X_RATES, |
| 484 | .formats = UDA134X_FORMATS, |
| 485 | }, |
| 486 | /* pcm operations */ |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 487 | .ops = &uda134x_dai_ops, |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 488 | }; |
| 489 | EXPORT_SYMBOL(uda134x_dai); |
| 490 | |
| 491 | |
| 492 | static int uda134x_soc_probe(struct platform_device *pdev) |
| 493 | { |
| 494 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 495 | struct snd_soc_codec *codec; |
| 496 | struct uda134x_priv *uda134x; |
| 497 | void *codec_setup_data = socdev->codec_data; |
| 498 | int ret = -ENOMEM; |
| 499 | struct uda134x_platform_data *pd; |
| 500 | |
| 501 | printk(KERN_INFO "UDA134X SoC Audio Codec\n"); |
| 502 | |
| 503 | if (!codec_setup_data) { |
| 504 | printk(KERN_ERR "UDA134X SoC codec: " |
| 505 | "missing L3 bitbang function\n"); |
| 506 | return -ENODEV; |
| 507 | } |
| 508 | |
| 509 | pd = codec_setup_data; |
| 510 | switch (pd->model) { |
| 511 | case UDA134X_UDA1340: |
| 512 | case UDA134X_UDA1341: |
| 513 | case UDA134X_UDA1344: |
Vladimir Zapolskiy | b28528a | 2010-04-26 14:56:57 +0400 | [diff] [blame] | 514 | case UDA134X_UDA1345: |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 515 | break; |
| 516 | default: |
| 517 | printk(KERN_ERR "UDA134X SoC codec: " |
| 518 | "unsupported model %d\n", |
| 519 | pd->model); |
| 520 | return -EINVAL; |
| 521 | } |
| 522 | |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 523 | socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| 524 | if (socdev->card->codec == NULL) |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 525 | return ret; |
| 526 | |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 527 | codec = socdev->card->codec; |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 528 | |
| 529 | uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL); |
| 530 | if (uda134x == NULL) |
| 531 | goto priv_err; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 532 | snd_soc_codec_set_drvdata(codec, uda134x); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 533 | |
| 534 | codec->reg_cache = kmemdup(uda134x_reg, sizeof(uda134x_reg), |
| 535 | GFP_KERNEL); |
| 536 | if (codec->reg_cache == NULL) |
| 537 | goto reg_err; |
| 538 | |
| 539 | mutex_init(&codec->mutex); |
| 540 | |
| 541 | codec->reg_cache_size = sizeof(uda134x_reg); |
| 542 | codec->reg_cache_step = 1; |
| 543 | |
| 544 | codec->name = "UDA134X"; |
| 545 | codec->owner = THIS_MODULE; |
| 546 | codec->dai = &uda134x_dai; |
| 547 | codec->num_dai = 1; |
| 548 | codec->read = uda134x_read_reg_cache; |
| 549 | codec->write = uda134x_write; |
Vladimir Zapolskiy | cc3202f | 2010-06-24 17:38:50 +0400 | [diff] [blame] | 550 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 551 | INIT_LIST_HEAD(&codec->dapm_widgets); |
| 552 | INIT_LIST_HEAD(&codec->dapm_paths); |
| 553 | |
| 554 | codec->control_data = codec_setup_data; |
| 555 | |
| 556 | if (pd->power) |
| 557 | pd->power(1); |
| 558 | |
| 559 | uda134x_reset(codec); |
| 560 | |
Vladimir Zapolskiy | e4295b4 | 2010-06-24 17:38:51 +0400 | [diff] [blame] | 561 | if (pd->is_powered_on_standby) { |
| 562 | codec->set_bias_level = NULL; |
| 563 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); |
| 564 | } else { |
| 565 | codec->set_bias_level = uda134x_set_bias_level; |
| 566 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 567 | } |
| 568 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 569 | /* register pcms */ |
| 570 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); |
| 571 | if (ret < 0) { |
| 572 | printk(KERN_ERR "UDA134X: failed to register pcms\n"); |
| 573 | goto pcm_err; |
| 574 | } |
| 575 | |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 576 | switch (pd->model) { |
| 577 | case UDA134X_UDA1340: |
| 578 | case UDA134X_UDA1344: |
| 579 | ret = snd_soc_add_controls(codec, uda1340_snd_controls, |
| 580 | ARRAY_SIZE(uda1340_snd_controls)); |
| 581 | break; |
| 582 | case UDA134X_UDA1341: |
| 583 | ret = snd_soc_add_controls(codec, uda1341_snd_controls, |
| 584 | ARRAY_SIZE(uda1341_snd_controls)); |
| 585 | break; |
Vladimir Zapolskiy | b28528a | 2010-04-26 14:56:57 +0400 | [diff] [blame] | 586 | case UDA134X_UDA1345: |
| 587 | ret = snd_soc_add_controls(codec, uda1345_snd_controls, |
| 588 | ARRAY_SIZE(uda1345_snd_controls)); |
| 589 | break; |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 590 | default: |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 591 | printk(KERN_ERR "%s unknown codec type: %d", |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 592 | __func__, pd->model); |
| 593 | return -EINVAL; |
| 594 | } |
| 595 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 596 | if (ret < 0) { |
| 597 | printk(KERN_ERR "UDA134X: failed to register controls\n"); |
| 598 | goto pcm_err; |
| 599 | } |
| 600 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 601 | return 0; |
| 602 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 603 | pcm_err: |
| 604 | kfree(codec->reg_cache); |
| 605 | reg_err: |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 606 | kfree(snd_soc_codec_get_drvdata(codec)); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 607 | priv_err: |
| 608 | kfree(codec); |
| 609 | return ret; |
| 610 | } |
| 611 | |
| 612 | /* power down chip */ |
| 613 | static int uda134x_soc_remove(struct platform_device *pdev) |
| 614 | { |
| 615 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 616 | struct snd_soc_codec *codec = socdev->card->codec; |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 617 | |
| 618 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 619 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 620 | |
| 621 | snd_soc_free_pcms(socdev); |
| 622 | snd_soc_dapm_free(socdev); |
| 623 | |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 624 | kfree(snd_soc_codec_get_drvdata(codec)); |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 625 | kfree(codec->reg_cache); |
| 626 | kfree(codec); |
| 627 | |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | #if defined(CONFIG_PM) |
| 632 | static int uda134x_soc_suspend(struct platform_device *pdev, |
| 633 | pm_message_t state) |
| 634 | { |
| 635 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 636 | struct snd_soc_codec *codec = socdev->card->codec; |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 637 | |
| 638 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 639 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 640 | return 0; |
| 641 | } |
| 642 | |
| 643 | static int uda134x_soc_resume(struct platform_device *pdev) |
| 644 | { |
| 645 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
Mark Brown | 6627a65 | 2009-01-23 22:55:23 +0000 | [diff] [blame] | 646 | struct snd_soc_codec *codec = socdev->card->codec; |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 647 | |
| 648 | uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE); |
| 649 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); |
| 650 | return 0; |
| 651 | } |
| 652 | #else |
| 653 | #define uda134x_soc_suspend NULL |
| 654 | #define uda134x_soc_resume NULL |
| 655 | #endif /* CONFIG_PM */ |
| 656 | |
| 657 | struct snd_soc_codec_device soc_codec_dev_uda134x = { |
| 658 | .probe = uda134x_soc_probe, |
| 659 | .remove = uda134x_soc_remove, |
| 660 | .suspend = uda134x_soc_suspend, |
| 661 | .resume = uda134x_soc_resume, |
| 662 | }; |
| 663 | EXPORT_SYMBOL_GPL(soc_codec_dev_uda134x); |
| 664 | |
Takashi Iwai | c9b3a40 | 2008-12-10 07:47:22 +0100 | [diff] [blame] | 665 | static int __init uda134x_init(void) |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 666 | { |
| 667 | return snd_soc_register_dai(&uda134x_dai); |
| 668 | } |
| 669 | module_init(uda134x_init); |
| 670 | |
| 671 | static void __exit uda134x_exit(void) |
| 672 | { |
| 673 | snd_soc_unregister_dai(&uda134x_dai); |
| 674 | } |
| 675 | module_exit(uda134x_exit); |
| 676 | |
Christian Pellegrin | 1cad1de | 2008-11-15 08:58:16 +0100 | [diff] [blame] | 677 | MODULE_DESCRIPTION("UDA134X ALSA soc codec driver"); |
| 678 | MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>"); |
| 679 | MODULE_LICENSE("GPL"); |