Harsha Priya | a86d505 | 2015-11-05 22:53:07 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567 |
| 3 | * |
| 4 | * Copyright (C) 2015, Intel Corporation. All rights reserved. |
| 5 | * |
| 6 | * Modified from: |
| 7 | * Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567 |
| 8 | * |
| 9 | * Copyright (C) 2015, Intel Corporation. All rights reserved. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License version |
| 13 | * 2 as published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/platform_device.h> |
| 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include <sound/jack.h> |
| 27 | #include <sound/pcm_params.h> |
| 28 | #include "../../codecs/nau8825.h" |
| 29 | |
| 30 | #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" |
| 31 | #define SKL_SSM_CODEC_DAI "ssm4567-hifi" |
| 32 | |
| 33 | static struct snd_soc_jack skylake_headset; |
| 34 | static struct snd_soc_card skylake_audio_card; |
| 35 | |
| 36 | static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card) |
| 37 | { |
| 38 | int i; |
| 39 | |
| 40 | for (i = 0; i < card->num_rtd; i++) { |
| 41 | struct snd_soc_pcm_runtime *rtd; |
| 42 | |
| 43 | rtd = card->rtd + i; |
| 44 | if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI, |
| 45 | strlen(SKL_NUVOTON_CODEC_DAI))) |
| 46 | return rtd->codec_dai; |
| 47 | } |
| 48 | |
| 49 | return NULL; |
| 50 | } |
| 51 | |
| 52 | static const struct snd_kcontrol_new skylake_controls[] = { |
| 53 | SOC_DAPM_PIN_SWITCH("Headphone Jack"), |
| 54 | SOC_DAPM_PIN_SWITCH("Headset Mic"), |
| 55 | SOC_DAPM_PIN_SWITCH("Left Speaker"), |
| 56 | SOC_DAPM_PIN_SWITCH("Right Speaker"), |
| 57 | }; |
| 58 | |
| 59 | static int platform_clock_control(struct snd_soc_dapm_widget *w, |
| 60 | struct snd_kcontrol *k, int event) |
| 61 | { |
| 62 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 63 | struct snd_soc_card *card = dapm->card; |
| 64 | struct snd_soc_dai *codec_dai; |
| 65 | int ret; |
| 66 | |
| 67 | codec_dai = skl_get_codec_dai(card); |
| 68 | if (!codec_dai) { |
| 69 | dev_err(card->dev, "Codec dai not found\n"); |
| 70 | return -EIO; |
| 71 | } |
| 72 | |
| 73 | if (SND_SOC_DAPM_EVENT_ON(event)) { |
| 74 | ret = snd_soc_dai_set_sysclk(codec_dai, |
| 75 | NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); |
| 76 | if (ret < 0) { |
| 77 | dev_err(card->dev, "set sysclk err = %d\n", ret); |
| 78 | return -EIO; |
| 79 | } |
| 80 | } else { |
| 81 | ret = snd_soc_dai_set_sysclk(codec_dai, |
| 82 | NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN); |
| 83 | if (ret < 0) { |
| 84 | dev_err(card->dev, "set sysclk err = %d\n", ret); |
| 85 | return -EIO; |
| 86 | } |
| 87 | } |
| 88 | return ret; |
| 89 | } |
| 90 | |
| 91 | static const struct snd_soc_dapm_widget skylake_widgets[] = { |
| 92 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 93 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
| 94 | SND_SOC_DAPM_SPK("Left Speaker", NULL), |
| 95 | SND_SOC_DAPM_SPK("Right Speaker", NULL), |
| 96 | SND_SOC_DAPM_MIC("SoC DMIC", NULL), |
| 97 | SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, |
| 98 | platform_clock_control, SND_SOC_DAPM_PRE_PMU | |
| 99 | SND_SOC_DAPM_POST_PMD), |
| 100 | }; |
| 101 | |
| 102 | static const struct snd_soc_dapm_route skylake_map[] = { |
| 103 | /* HP jack connectors - unknown if we have jack detection */ |
| 104 | {"Headphone Jack", NULL, "HPOL"}, |
| 105 | {"Headphone Jack", NULL, "HPOR"}, |
| 106 | |
| 107 | /* speaker */ |
| 108 | {"Left Speaker", NULL, "Left OUT"}, |
| 109 | {"Right Speaker", NULL, "Right OUT"}, |
| 110 | |
| 111 | /* other jacks */ |
| 112 | {"MIC", NULL, "Headset Mic"}, |
| 113 | {"DMIC AIF", NULL, "SoC DMIC"}, |
| 114 | |
| 115 | /* CODEC BE connections */ |
| 116 | { "Left Playback", NULL, "ssp0 Tx"}, |
| 117 | { "Right Playback", NULL, "ssp0 Tx"}, |
| 118 | { "ssp0 Tx", NULL, "codec0_out"}, |
| 119 | |
| 120 | { "AIF1 Playback", NULL, "ssp1 Tx"}, |
| 121 | { "ssp1 Tx", NULL, "codec1_out"}, |
| 122 | |
| 123 | { "codec0_in", NULL, "ssp1 Rx" }, |
| 124 | { "ssp1 Rx", NULL, "AIF1 Capture" }, |
| 125 | |
| 126 | /* DMIC */ |
| 127 | { "dmic01_hifi", NULL, "DMIC01 Rx" }, |
| 128 | { "DMIC01 Rx", NULL, "Capture" }, |
| 129 | { "Headphone Jack", NULL, "Platform Clock" }, |
| 130 | { "Headset Mic", NULL, "Platform Clock" }, |
| 131 | }; |
| 132 | |
| 133 | static struct snd_soc_codec_conf ssm4567_codec_conf[] = { |
| 134 | { |
| 135 | .dev_name = "i2c-INT343B:00", |
| 136 | .name_prefix = "Left", |
| 137 | }, |
| 138 | { |
| 139 | .dev_name = "i2c-INT343B:01", |
| 140 | .name_prefix = "Right", |
| 141 | }, |
| 142 | }; |
| 143 | |
| 144 | static struct snd_soc_dai_link_component ssm4567_codec_components[] = { |
| 145 | { /* Left */ |
| 146 | .name = "i2c-INT343B:00", |
| 147 | .dai_name = SKL_SSM_CODEC_DAI, |
| 148 | }, |
| 149 | { /* Right */ |
| 150 | .name = "i2c-INT343B:01", |
| 151 | .dai_name = SKL_SSM_CODEC_DAI, |
| 152 | }, |
| 153 | }; |
| 154 | |
| 155 | static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd) |
| 156 | { |
| 157 | int ret; |
| 158 | |
| 159 | /* Slot 1 for left */ |
| 160 | ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48); |
| 161 | if (ret < 0) |
| 162 | return ret; |
| 163 | |
| 164 | /* Slot 2 for right */ |
| 165 | ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48); |
| 166 | if (ret < 0) |
| 167 | return ret; |
| 168 | |
| 169 | return ret; |
| 170 | } |
| 171 | |
| 172 | static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) |
| 173 | { |
| 174 | int ret; |
| 175 | struct snd_soc_codec *codec = rtd->codec; |
| 176 | |
| 177 | /* |
| 178 | * 4 buttons here map to the google Reference headset |
| 179 | * The use of these buttons can be decided by the user space. |
| 180 | */ |
| 181 | ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack", |
| 182 | SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
| 183 | SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset, |
| 184 | NULL, 0); |
| 185 | if (ret) { |
| 186 | dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); |
| 187 | return ret; |
| 188 | } |
| 189 | |
| 190 | nau8825_enable_jack_detect(codec, &skylake_headset); |
| 191 | |
| 192 | return ret; |
| 193 | } |
| 194 | |
| 195 | static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, |
| 196 | struct snd_pcm_hw_params *params) |
| 197 | { |
| 198 | struct snd_interval *rate = hw_param_interval(params, |
| 199 | SNDRV_PCM_HW_PARAM_RATE); |
| 200 | struct snd_interval *channels = hw_param_interval(params, |
| 201 | SNDRV_PCM_HW_PARAM_CHANNELS); |
| 202 | struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
| 203 | |
| 204 | /* The ADSP will covert the FE rate to 48k, stereo */ |
| 205 | rate->min = rate->max = 48000; |
| 206 | channels->min = channels->max = 2; |
| 207 | |
| 208 | /* set SSP0 to 24 bit */ |
| 209 | snd_mask_none(fmt); |
| 210 | snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); |
| 211 | return 0; |
| 212 | } |
| 213 | |
| 214 | static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream, |
| 215 | struct snd_pcm_hw_params *params) |
| 216 | { |
| 217 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 218 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 219 | int ret; |
| 220 | |
| 221 | ret = snd_soc_dai_set_sysclk(codec_dai, |
| 222 | NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); |
| 223 | |
| 224 | if (ret < 0) |
| 225 | dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); |
| 226 | |
| 227 | return ret; |
| 228 | } |
| 229 | |
| 230 | static struct snd_soc_ops skylake_nau8825_ops = { |
| 231 | .hw_params = skylake_nau8825_hw_params, |
| 232 | }; |
| 233 | |
| 234 | /* skylake digital audio interface glue - connects codec <--> CPU */ |
| 235 | static struct snd_soc_dai_link skylake_dais[] = { |
| 236 | /* Front End DAI links */ |
| 237 | { |
| 238 | .name = "Skl Audio Port", |
| 239 | .stream_name = "Audio", |
| 240 | .cpu_dai_name = "System Pin", |
| 241 | .platform_name = "0000:00:1f.3", |
| 242 | .dynamic = 1, |
| 243 | .codec_name = "snd-soc-dummy", |
| 244 | .codec_dai_name = "snd-soc-dummy-dai", |
| 245 | .nonatomic = 1, |
| 246 | .trigger = { |
| 247 | SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| 248 | .dpcm_playback = 1, |
| 249 | }, |
| 250 | { |
| 251 | .name = "Skl Audio Capture Port", |
| 252 | .stream_name = "Audio Record", |
| 253 | .cpu_dai_name = "System Pin", |
| 254 | .platform_name = "0000:00:1f.3", |
| 255 | .dynamic = 1, |
| 256 | .codec_name = "snd-soc-dummy", |
| 257 | .codec_dai_name = "snd-soc-dummy-dai", |
| 258 | .nonatomic = 1, |
| 259 | .trigger = { |
| 260 | SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| 261 | .dpcm_capture = 1, |
| 262 | }, |
| 263 | { |
| 264 | .name = "Skl Audio Reference cap", |
| 265 | .stream_name = "refcap", |
| 266 | .cpu_dai_name = "Reference Pin", |
| 267 | .codec_name = "snd-soc-dummy", |
| 268 | .codec_dai_name = "snd-soc-dummy-dai", |
| 269 | .platform_name = "0000:00:1f.3", |
| 270 | .init = NULL, |
| 271 | .dpcm_capture = 1, |
| 272 | .ignore_suspend = 1, |
| 273 | .nonatomic = 1, |
| 274 | .dynamic = 1, |
| 275 | }, |
| 276 | /* Back End DAI links */ |
| 277 | { |
| 278 | /* SSP0 - Codec */ |
| 279 | .name = "SSP0-Codec", |
| 280 | .be_id = 0, |
| 281 | .cpu_dai_name = "SSP0 Pin", |
| 282 | .platform_name = "0000:00:1f.3", |
| 283 | .no_pcm = 1, |
| 284 | .codecs = ssm4567_codec_components, |
| 285 | .num_codecs = ARRAY_SIZE(ssm4567_codec_components), |
| 286 | .dai_fmt = SND_SOC_DAIFMT_DSP_A | |
| 287 | SND_SOC_DAIFMT_IB_NF | |
| 288 | SND_SOC_DAIFMT_CBS_CFS, |
| 289 | .init = skylake_ssm4567_codec_init, |
| 290 | .ignore_suspend = 1, |
| 291 | .ignore_pmdown_time = 1, |
| 292 | .be_hw_params_fixup = skylake_ssp_fixup, |
| 293 | .dpcm_playback = 1, |
| 294 | }, |
| 295 | { |
| 296 | /* SSP1 - Codec */ |
| 297 | .name = "SSP1-Codec", |
| 298 | .be_id = 0, |
| 299 | .cpu_dai_name = "SSP1 Pin", |
| 300 | .platform_name = "0000:00:1f.3", |
| 301 | .no_pcm = 1, |
| 302 | .codec_name = "i2c-10508825:00", |
| 303 | .codec_dai_name = SKL_NUVOTON_CODEC_DAI, |
| 304 | .init = skylake_nau8825_codec_init, |
| 305 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| 306 | SND_SOC_DAIFMT_CBS_CFS, |
| 307 | .ignore_suspend = 1, |
| 308 | .ignore_pmdown_time = 1, |
| 309 | .be_hw_params_fixup = skylake_ssp_fixup, |
| 310 | .ops = &skylake_nau8825_ops, |
| 311 | .dpcm_playback = 1, |
| 312 | .dpcm_capture = 1, |
| 313 | }, |
| 314 | { |
| 315 | .name = "dmic01", |
| 316 | .be_id = 1, |
| 317 | .cpu_dai_name = "DMIC01 Pin", |
| 318 | .codec_name = "dmic-codec", |
| 319 | .codec_dai_name = "dmic-hifi", |
| 320 | .platform_name = "0000:00:1f.3", |
| 321 | .ignore_suspend = 1, |
| 322 | .dpcm_capture = 1, |
| 323 | .no_pcm = 1, |
| 324 | }, |
| 325 | }; |
| 326 | |
| 327 | /* skylake audio machine driver for SPT + NAU88L25 */ |
| 328 | static struct snd_soc_card skylake_audio_card = { |
| 329 | .name = "sklnau8825adi", |
| 330 | .owner = THIS_MODULE, |
| 331 | .dai_link = skylake_dais, |
| 332 | .num_links = ARRAY_SIZE(skylake_dais), |
| 333 | .controls = skylake_controls, |
| 334 | .num_controls = ARRAY_SIZE(skylake_controls), |
| 335 | .dapm_widgets = skylake_widgets, |
| 336 | .num_dapm_widgets = ARRAY_SIZE(skylake_widgets), |
| 337 | .dapm_routes = skylake_map, |
| 338 | .num_dapm_routes = ARRAY_SIZE(skylake_map), |
| 339 | .codec_conf = ssm4567_codec_conf, |
| 340 | .num_configs = ARRAY_SIZE(ssm4567_codec_conf), |
| 341 | }; |
| 342 | |
| 343 | static int skylake_audio_probe(struct platform_device *pdev) |
| 344 | { |
| 345 | skylake_audio_card.dev = &pdev->dev; |
| 346 | |
| 347 | return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); |
| 348 | } |
| 349 | |
| 350 | static struct platform_driver skylake_audio = { |
| 351 | .probe = skylake_audio_probe, |
| 352 | .driver = { |
| 353 | .name = "skl_nau88l25_ssm4567_i2s", |
| 354 | .pm = &snd_soc_pm_ops, |
| 355 | }, |
| 356 | }; |
| 357 | |
| 358 | module_platform_driver(skylake_audio) |
| 359 | |
| 360 | /* Module information */ |
| 361 | MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>"); |
| 362 | MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); |
| 363 | MODULE_AUTHOR("Naveen M <naveen.m@intel.com>"); |
| 364 | MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>"); |
| 365 | MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>"); |
| 366 | MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode"); |
| 367 | MODULE_LICENSE("GPL v2"); |
| 368 | MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s"); |