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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 | // SPDX-License-Identifier: GPL-2.0-only /* * wm9705.c -- ALSA Soc WM9705 codec support * * Copyright 2008 Ian Molton <spyro@f2s.com> */ #include <linux/init.h> #include <linux/slab.h> #include <linux/mfd/wm97xx.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/ac97/codec.h> #include <sound/ac97/compat.h> #include <sound/initval.h> #include <sound/soc.h> #define WM9705_VENDOR_ID 0x574d4c05 #define WM9705_VENDOR_ID_MASK 0xffffffff struct wm9705_priv { struct snd_ac97 *ac97; struct wm97xx_platform_data *mfd_pdata; }; static const struct reg_default wm9705_reg_defaults[] = { { 0x02, 0x8000 }, { 0x04, 0x8000 }, { 0x06, 0x8000 }, { 0x0a, 0x8000 }, { 0x0c, 0x8008 }, { 0x0e, 0x8008 }, { 0x10, 0x8808 }, { 0x12, 0x8808 }, { 0x14, 0x8808 }, { 0x16, 0x8808 }, { 0x18, 0x8808 }, { 0x1a, 0x0000 }, { 0x1c, 0x8000 }, { 0x20, 0x0000 }, { 0x22, 0x0000 }, { 0x26, 0x000f }, { 0x28, 0x0605 }, { 0x2a, 0x0000 }, { 0x2c, 0xbb80 }, { 0x32, 0xbb80 }, { 0x34, 0x2000 }, { 0x5a, 0x0000 }, { 0x5c, 0x0000 }, { 0x72, 0x0808 }, { 0x74, 0x0000 }, { 0x76, 0x0006 }, { 0x78, 0x0000 }, { 0x7a, 0x0000 }, }; static const struct regmap_config wm9705_regmap_config = { .reg_bits = 16, .reg_stride = 2, .val_bits = 16, .max_register = 0x7e, .cache_type = REGCACHE_RBTREE, .volatile_reg = regmap_ac97_default_volatile, .reg_defaults = wm9705_reg_defaults, .num_reg_defaults = ARRAY_SIZE(wm9705_reg_defaults), }; static const struct snd_kcontrol_new wm9705_snd_ac97_controls[] = { SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), SOC_SINGLE("PCBeep Playback Volume", AC97_PC_BEEP, 1, 15, 1), SOC_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 31, 1), SOC_DOUBLE("Line Playback Volume", AC97_LINE, 8, 0, 31, 1), SOC_DOUBLE("CD Playback Volume", AC97_CD, 8, 0, 31, 1), SOC_SINGLE("Mic Playback Volume", AC97_MIC, 0, 31, 1), SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 6, 1, 0), SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0), SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), }; static const char *wm9705_mic[] = {"Mic 1", "Mic 2"}; static const char *wm9705_rec_sel[] = {"Mic", "CD", "NC", "NC", "Line", "Stereo Mix", "Mono Mix", "Phone"}; static SOC_ENUM_SINGLE_DECL(wm9705_enum_mic, AC97_GENERAL_PURPOSE, 8, wm9705_mic); static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_l, AC97_REC_SEL, 8, wm9705_rec_sel); static SOC_ENUM_SINGLE_DECL(wm9705_enum_rec_r, AC97_REC_SEL, 0, wm9705_rec_sel); /* Headphone Mixer */ static const struct snd_kcontrol_new wm9705_hp_mixer_controls[] = { SOC_DAPM_SINGLE("PCBeep Playback Switch", AC97_PC_BEEP, 15, 1, 1), SOC_DAPM_SINGLE("CD Playback Switch", AC97_CD, 15, 1, 1), SOC_DAPM_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1), SOC_DAPM_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1), SOC_DAPM_SINGLE("Line Playback Switch", AC97_LINE, 15, 1, 1), }; /* Mic source */ static const struct snd_kcontrol_new wm9705_mic_src_controls = SOC_DAPM_ENUM("Route", wm9705_enum_mic); /* Capture source */ static const struct snd_kcontrol_new wm9705_capture_selectl_controls = SOC_DAPM_ENUM("Route", wm9705_enum_rec_l); static const struct snd_kcontrol_new wm9705_capture_selectr_controls = SOC_DAPM_ENUM("Route", wm9705_enum_rec_r); /* DAPM widgets */ static const struct snd_soc_dapm_widget wm9705_dapm_widgets[] = { SND_SOC_DAPM_MUX("Mic Source", SND_SOC_NOPM, 0, 0, &wm9705_mic_src_controls), SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0, &wm9705_capture_selectl_controls), SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0, &wm9705_capture_selectr_controls), SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_MIXER_NAMED_CTL("HP Mixer", SND_SOC_NOPM, 0, 0, &wm9705_hp_mixer_controls[0], ARRAY_SIZE(wm9705_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_PGA("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Speaker PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Line PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Line out PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Mono PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Phone PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Mic PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("PCBEEP PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("CD PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("ADC PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("HPOUTL"), SND_SOC_DAPM_OUTPUT("HPOUTR"), SND_SOC_DAPM_OUTPUT("LOUT"), SND_SOC_DAPM_OUTPUT("ROUT"), SND_SOC_DAPM_OUTPUT("MONOOUT"), SND_SOC_DAPM_INPUT("PHONE"), SND_SOC_DAPM_INPUT("LINEINL"), SND_SOC_DAPM_INPUT("LINEINR"), SND_SOC_DAPM_INPUT("CDINL"), SND_SOC_DAPM_INPUT("CDINR"), SND_SOC_DAPM_INPUT("PCBEEP"), SND_SOC_DAPM_INPUT("MIC1"), SND_SOC_DAPM_INPUT("MIC2"), }; /* Audio map * WM9705 has no switches to disable the route from the inputs to the HP mixer * so in order to prevent active inputs from forcing the audio outputs to be * constantly enabled, we use the mutes on those inputs to simulate such * controls. */ static const struct snd_soc_dapm_route wm9705_audio_map[] = { /* HP mixer */ {"HP Mixer", "PCBeep Playback Switch", "PCBEEP PGA"}, {"HP Mixer", "CD Playback Switch", "CD PGA"}, {"HP Mixer", "Mic Playback Switch", "Mic PGA"}, {"HP Mixer", "Phone Playback Switch", "Phone PGA"}, {"HP Mixer", "Line Playback Switch", "Line PGA"}, {"HP Mixer", NULL, "Left DAC"}, {"HP Mixer", NULL, "Right DAC"}, /* mono mixer */ {"Mono Mixer", NULL, "HP Mixer"}, /* outputs */ {"Headphone PGA", NULL, "HP Mixer"}, {"HPOUTL", NULL, "Headphone PGA"}, {"HPOUTR", NULL, "Headphone PGA"}, {"Line out PGA", NULL, "HP Mixer"}, {"LOUT", NULL, "Line out PGA"}, {"ROUT", NULL, "Line out PGA"}, {"Mono PGA", NULL, "Mono Mixer"}, {"MONOOUT", NULL, "Mono PGA"}, /* inputs */ {"CD PGA", NULL, "CDINL"}, {"CD PGA", NULL, "CDINR"}, {"Line PGA", NULL, "LINEINL"}, {"Line PGA", NULL, "LINEINR"}, {"Phone PGA", NULL, "PHONE"}, {"Mic Source", "Mic 1", "MIC1"}, {"Mic Source", "Mic 2", "MIC2"}, {"Mic PGA", NULL, "Mic Source"}, {"PCBEEP PGA", NULL, "PCBEEP"}, /* Left capture selector */ {"Left Capture Source", "Mic", "Mic Source"}, {"Left Capture Source", "CD", "CDINL"}, {"Left Capture Source", "Line", "LINEINL"}, {"Left Capture Source", "Stereo Mix", "HP Mixer"}, {"Left Capture Source", "Mono Mix", "HP Mixer"}, {"Left Capture Source", "Phone", "PHONE"}, /* Right capture source */ {"Right Capture Source", "Mic", "Mic Source"}, {"Right Capture Source", "CD", "CDINR"}, {"Right Capture Source", "Line", "LINEINR"}, {"Right Capture Source", "Stereo Mix", "HP Mixer"}, {"Right Capture Source", "Mono Mix", "HP Mixer"}, {"Right Capture Source", "Phone", "PHONE"}, {"ADC PGA", NULL, "Left Capture Source"}, {"ADC PGA", NULL, "Right Capture Source"}, /* ADC's */ {"Left ADC", NULL, "ADC PGA"}, {"Right ADC", NULL, "ADC PGA"}, }; static int ac97_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; int reg; snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) reg = AC97_PCM_FRONT_DAC_RATE; else reg = AC97_PCM_LR_ADC_RATE; return snd_soc_component_write(component, reg, substream->runtime->rate); } #define WM9705_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) static const struct snd_soc_dai_ops wm9705_dai_ops = { .prepare = ac97_prepare, }; static struct snd_soc_dai_driver wm9705_dai[] = { { .name = "wm9705-hifi", .playback = { .stream_name = "HiFi Playback", .channels_min = 1, .channels_max = 2, .rates = WM9705_AC97_RATES, .formats = SND_SOC_STD_AC97_FMTS, }, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = WM9705_AC97_RATES, .formats = SND_SOC_STD_AC97_FMTS, }, .ops = &wm9705_dai_ops, }, { .name = "wm9705-aux", .playback = { .stream_name = "Aux Playback", .channels_min = 1, .channels_max = 1, .rates = WM9705_AC97_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, } }; #ifdef CONFIG_PM static int wm9705_soc_suspend(struct snd_soc_component *component) { regcache_cache_bypass(component->regmap, true); snd_soc_component_write(component, AC97_POWERDOWN, 0xffff); regcache_cache_bypass(component->regmap, false); return 0; } static int wm9705_soc_resume(struct snd_soc_component *component) { struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component); int ret; ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID, WM9705_VENDOR_ID_MASK); if (ret < 0) return ret; snd_soc_component_cache_sync(component); return 0; } #else #define wm9705_soc_suspend NULL #define wm9705_soc_resume NULL #endif static int wm9705_soc_probe(struct snd_soc_component *component) { struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component); struct regmap *regmap; if (wm9705->mfd_pdata) { wm9705->ac97 = wm9705->mfd_pdata->ac97; regmap = wm9705->mfd_pdata->regmap; } else if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS)) { wm9705->ac97 = snd_soc_new_ac97_component(component, WM9705_VENDOR_ID, WM9705_VENDOR_ID_MASK); if (IS_ERR(wm9705->ac97)) { dev_err(component->dev, "Failed to register AC97 codec\n"); return PTR_ERR(wm9705->ac97); } regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config); if (IS_ERR(regmap)) { snd_soc_free_ac97_component(wm9705->ac97); return PTR_ERR(regmap); } } else { return -ENXIO; } snd_soc_component_set_drvdata(component, wm9705->ac97); snd_soc_component_init_regmap(component, regmap); return 0; } static void wm9705_soc_remove(struct snd_soc_component *component) { struct wm9705_priv *wm9705 = snd_soc_component_get_drvdata(component); if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS) && !wm9705->mfd_pdata) { snd_soc_component_exit_regmap(component); snd_soc_free_ac97_component(wm9705->ac97); } } static const struct snd_soc_component_driver soc_component_dev_wm9705 = { .probe = wm9705_soc_probe, .remove = wm9705_soc_remove, .suspend = wm9705_soc_suspend, .resume = wm9705_soc_resume, .controls = wm9705_snd_ac97_controls, .num_controls = ARRAY_SIZE(wm9705_snd_ac97_controls), .dapm_widgets = wm9705_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wm9705_dapm_widgets), .dapm_routes = wm9705_audio_map, .num_dapm_routes = ARRAY_SIZE(wm9705_audio_map), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; static int wm9705_probe(struct platform_device *pdev) { struct wm9705_priv *wm9705; wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL); if (wm9705 == NULL) return -ENOMEM; wm9705->mfd_pdata = dev_get_platdata(&pdev->dev); platform_set_drvdata(pdev, wm9705); return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai)); } static struct platform_driver wm9705_codec_driver = { .driver = { .name = "wm9705-codec", }, .probe = wm9705_probe, }; module_platform_driver(wm9705_codec_driver); MODULE_DESCRIPTION("ASoC WM9705 driver"); MODULE_AUTHOR("Ian Molton"); MODULE_LICENSE("GPL v2"); |