1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright(c) 2019 Intel Corporation. 3 4 /* 5 * Intel SOF Machine driver for DA7219 + MAX98373 codec 6 */ 7 8 #include <linux/input.h> 9 #include <linux/module.h> 10 #include <sound/pcm.h> 11 #include <sound/pcm_params.h> 12 #include <linux/platform_device.h> 13 #include <sound/soc.h> 14 #include <sound/soc-acpi.h> 15 #include "../../codecs/da7219.h" 16 #include "../../codecs/da7219-aad.h" 17 #include "hda_dsp_common.h" 18 19 #define DIALOG_CODEC_DAI "da7219-hifi" 20 #define MAX98373_CODEC_DAI "max98373-aif1" 21 #define MAXIM_DEV0_NAME "i2c-MX98373:00" 22 #define MAXIM_DEV1_NAME "i2c-MX98373:01" 23 24 struct hdmi_pcm { 25 struct list_head head; 26 struct snd_soc_dai *codec_dai; 27 int device; 28 }; 29 30 struct card_private { 31 struct snd_soc_jack headset; 32 struct list_head hdmi_pcm_list; 33 struct snd_soc_jack hdmi[3]; 34 }; 35 36 static int platform_clock_control(struct snd_soc_dapm_widget *w, 37 struct snd_kcontrol *k, int event) 38 { 39 struct snd_soc_dapm_context *dapm = w->dapm; 40 struct snd_soc_card *card = dapm->card; 41 struct snd_soc_dai *codec_dai; 42 int ret = 0; 43 44 codec_dai = snd_soc_card_get_codec_dai(card, DIALOG_CODEC_DAI); 45 if (!codec_dai) { 46 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n"); 47 return -EIO; 48 } 49 50 if (SND_SOC_DAPM_EVENT_OFF(event)) { 51 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 52 0, 0); 53 if (ret) 54 dev_err(card->dev, "failed to stop PLL: %d\n", ret); 55 } else if (SND_SOC_DAPM_EVENT_ON(event)) { 56 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM, 57 0, DA7219_PLL_FREQ_OUT_98304); 58 if (ret) 59 dev_err(card->dev, "failed to start PLL: %d\n", ret); 60 } 61 62 return ret; 63 } 64 65 static const struct snd_kcontrol_new controls[] = { 66 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 67 SOC_DAPM_PIN_SWITCH("Headset Mic"), 68 SOC_DAPM_PIN_SWITCH("Left Spk"), 69 SOC_DAPM_PIN_SWITCH("Right Spk"), 70 }; 71 72 static const struct snd_soc_dapm_widget widgets[] = { 73 SND_SOC_DAPM_HP("Headphone Jack", NULL), 74 SND_SOC_DAPM_MIC("Headset Mic", NULL), 75 SND_SOC_DAPM_SPK("Left Spk", NULL), 76 SND_SOC_DAPM_SPK("Right Spk", NULL), 77 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 78 platform_clock_control, SND_SOC_DAPM_POST_PMD | 79 SND_SOC_DAPM_PRE_PMU), 80 }; 81 82 static const struct snd_soc_dapm_route audio_map[] = { 83 { "Headphone Jack", NULL, "HPL" }, 84 { "Headphone Jack", NULL, "HPR" }, 85 86 { "Left Spk", NULL, "Left BE_OUT" }, 87 { "Right Spk", NULL, "Right BE_OUT" }, 88 89 { "MIC", NULL, "Headset Mic" }, 90 91 { "Headphone Jack", NULL, "Platform Clock" }, 92 { "Headset Mic", NULL, "Platform Clock" }, 93 }; 94 95 static struct snd_soc_jack headset; 96 97 static int da7219_codec_init(struct snd_soc_pcm_runtime *rtd) 98 { 99 struct snd_soc_component *component = rtd->codec_dai->component; 100 struct snd_soc_dai *codec_dai = rtd->codec_dai; 101 struct snd_soc_jack *jack; 102 int ret; 103 104 /* Configure sysclk for codec */ 105 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24000000, 106 SND_SOC_CLOCK_IN); 107 if (ret) { 108 dev_err(rtd->dev, "can't set codec sysclk configuration\n"); 109 return ret; 110 } 111 112 /* 113 * Headset buttons map to the google Reference headset. 114 * These can be configured by userspace. 115 */ 116 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", 117 SND_JACK_HEADSET | SND_JACK_BTN_0 | 118 SND_JACK_BTN_1 | SND_JACK_BTN_2 | 119 SND_JACK_BTN_3 | SND_JACK_LINEOUT, 120 &headset, NULL, 0); 121 if (ret) { 122 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); 123 return ret; 124 } 125 126 jack = &headset; 127 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 128 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 129 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 130 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 131 da7219_aad_jack_det(component, jack); 132 133 return ret; 134 } 135 136 static int ssp1_hw_params(struct snd_pcm_substream *substream, 137 struct snd_pcm_hw_params *params) 138 { 139 struct snd_soc_pcm_runtime *runtime = substream->private_data; 140 int ret, j; 141 142 for (j = 0; j < runtime->num_codecs; j++) { 143 struct snd_soc_dai *codec_dai = runtime->codec_dais[j]; 144 145 if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) { 146 /* vmon_slot_no = 0 imon_slot_no = 1 for TX slots */ 147 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 3, 4, 16); 148 if (ret < 0) { 149 dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret); 150 return ret; 151 } 152 } 153 if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) { 154 /* vmon_slot_no = 2 imon_slot_no = 3 for TX slots */ 155 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC, 3, 4, 16); 156 if (ret < 0) { 157 dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret); 158 return ret; 159 } 160 } 161 } 162 163 return 0; 164 } 165 166 static struct snd_soc_ops ssp1_ops = { 167 .hw_params = ssp1_hw_params, 168 }; 169 170 static struct snd_soc_codec_conf max98373_codec_conf[] = { 171 { 172 .dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME), 173 .name_prefix = "Right", 174 }, 175 { 176 .dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME), 177 .name_prefix = "Left", 178 }, 179 }; 180 181 static int hdmi_init(struct snd_soc_pcm_runtime *rtd) 182 { 183 struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 184 struct snd_soc_dai *dai = rtd->codec_dai; 185 struct hdmi_pcm *pcm; 186 187 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 188 if (!pcm) 189 return -ENOMEM; 190 191 pcm->device = dai->id; 192 pcm->codec_dai = dai; 193 194 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 195 196 return 0; 197 } 198 199 static int card_late_probe(struct snd_soc_card *card) 200 { 201 struct card_private *ctx = snd_soc_card_get_drvdata(card); 202 struct snd_soc_acpi_mach *mach = (card->dev)->platform_data; 203 struct hdmi_pcm *pcm; 204 205 if (mach->mach_params.common_hdmi_codec_drv) { 206 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm, 207 head); 208 return hda_dsp_hdmi_build_controls(card, 209 pcm->codec_dai->component); 210 } 211 212 return -EINVAL; 213 } 214 215 SND_SOC_DAILINK_DEF(ssp0_pin, 216 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); 217 SND_SOC_DAILINK_DEF(ssp0_codec, 218 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", DIALOG_CODEC_DAI))); 219 220 SND_SOC_DAILINK_DEF(ssp1_pin, 221 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin"))); 222 SND_SOC_DAILINK_DEF(ssp1_amps, 223 DAILINK_COMP_ARRAY( 224 /* Left */ COMP_CODEC(MAXIM_DEV0_NAME, MAX98373_CODEC_DAI), 225 /* Right */ COMP_CODEC(MAXIM_DEV1_NAME, MAX98373_CODEC_DAI))); 226 227 SND_SOC_DAILINK_DEF(dmic_pin, 228 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin"))); 229 SND_SOC_DAILINK_DEF(dmic_codec, 230 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); 231 232 SND_SOC_DAILINK_DEF(idisp1_pin, 233 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); 234 SND_SOC_DAILINK_DEF(idisp1_codec, 235 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); 236 237 SND_SOC_DAILINK_DEF(idisp2_pin, 238 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); 239 SND_SOC_DAILINK_DEF(idisp2_codec, 240 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); 241 242 SND_SOC_DAILINK_DEF(idisp3_pin, 243 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); 244 SND_SOC_DAILINK_DEF(idisp3_codec, 245 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); 246 247 SND_SOC_DAILINK_DEF(platform, /* subject to be overridden during probe */ 248 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3"))); 249 250 static struct snd_soc_dai_link dais[] = { 251 /* Back End DAI links */ 252 { 253 .name = "SSP1-Codec", 254 .id = 0, 255 .ignore_pmdown_time = 1, 256 .no_pcm = 1, 257 .dpcm_playback = 1, 258 .dpcm_capture = 1, /* IV feedback */ 259 .ops = &ssp1_ops, 260 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_amps, platform), 261 }, 262 { 263 .name = "SSP0-Codec", 264 .id = 1, 265 .no_pcm = 1, 266 .init = da7219_codec_init, 267 .ignore_pmdown_time = 1, 268 .dpcm_playback = 1, 269 .dpcm_capture = 1, 270 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), 271 }, 272 { 273 .name = "dmic01", 274 .id = 2, 275 .ignore_suspend = 1, 276 .dpcm_capture = 1, 277 .no_pcm = 1, 278 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), 279 }, 280 { 281 .name = "iDisp1", 282 .id = 3, 283 .init = hdmi_init, 284 .dpcm_playback = 1, 285 .no_pcm = 1, 286 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 287 }, 288 { 289 .name = "iDisp2", 290 .id = 4, 291 .init = hdmi_init, 292 .dpcm_playback = 1, 293 .no_pcm = 1, 294 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 295 }, 296 { 297 .name = "iDisp3", 298 .id = 5, 299 .init = hdmi_init, 300 .dpcm_playback = 1, 301 .no_pcm = 1, 302 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 303 }, 304 }; 305 306 static struct snd_soc_card card_da7219_m98373 = { 307 .name = "da7219max", 308 .owner = THIS_MODULE, 309 .dai_link = dais, 310 .num_links = ARRAY_SIZE(dais), 311 .controls = controls, 312 .num_controls = ARRAY_SIZE(controls), 313 .dapm_widgets = widgets, 314 .num_dapm_widgets = ARRAY_SIZE(widgets), 315 .dapm_routes = audio_map, 316 .num_dapm_routes = ARRAY_SIZE(audio_map), 317 .codec_conf = max98373_codec_conf, 318 .num_configs = ARRAY_SIZE(max98373_codec_conf), 319 .fully_routed = true, 320 .late_probe = card_late_probe, 321 }; 322 323 static int audio_probe(struct platform_device *pdev) 324 { 325 static struct snd_soc_card *card; 326 struct snd_soc_acpi_mach *mach; 327 struct card_private *ctx; 328 int ret; 329 330 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); 331 if (!ctx) 332 return -ENOMEM; 333 334 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 335 card = (struct snd_soc_card *)pdev->id_entry->driver_data; 336 card->dev = &pdev->dev; 337 338 mach = (&pdev->dev)->platform_data; 339 ret = snd_soc_fixup_dai_links_platform_name(card, 340 mach->mach_params.platform); 341 if (ret) 342 return ret; 343 344 snd_soc_card_set_drvdata(card, ctx); 345 346 return devm_snd_soc_register_card(&pdev->dev, card); 347 } 348 349 static const struct platform_device_id board_ids[] = { 350 { 351 .name = "sof_da7219_max98373", 352 .driver_data = (kernel_ulong_t)&card_da7219_m98373, 353 }, 354 { } 355 }; 356 357 static struct platform_driver audio = { 358 .probe = audio_probe, 359 .driver = { 360 .name = "sof_da7219_max98373", 361 .pm = &snd_soc_pm_ops, 362 }, 363 .id_table = board_ids, 364 }; 365 module_platform_driver(audio) 366 367 /* Module information */ 368 MODULE_DESCRIPTION("ASoC Intel(R) SOF Machine driver"); 369 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>"); 370 MODULE_LICENSE("GPL v2"); 371 MODULE_ALIAS("platform:sof_da7219_max98373"); 372