1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Machine driver for AMD Vangogh platform using NAU8821 & CS35L41 4 * codecs. 5 * 6 * Copyright 2021 Advanced Micro Devices, Inc. 7 */ 8 9 #include <linux/acpi.h> 10 #include <linux/dmi.h> 11 #include <linux/gpio/consumer.h> 12 #include <linux/i2c.h> 13 #include <linux/input-event-codes.h> 14 #include <linux/module.h> 15 #include <sound/jack.h> 16 #include <sound/pcm_params.h> 17 #include <sound/soc.h> 18 #include <sound/soc-dapm.h> 19 20 #include "../../codecs/nau8821.h" 21 #include "acp5x.h" 22 23 #define DRV_NAME "acp5x_mach" 24 #define DUAL_CHANNEL 2 25 #define ACP5X_NUVOTON_CODEC_DAI "nau8821-hifi" 26 #define VG_JUPITER 1 27 #define ACP5X_NUVOTON_BCLK 3072000 28 #define ACP5X_NAU8821_FREQ_OUT 12288000 29 30 static unsigned long acp5x_machine_id; 31 static struct snd_soc_jack vg_headset; 32 33 static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = { 34 { 35 .pin = "Headphone", 36 .mask = SND_JACK_HEADPHONE, 37 }, 38 { 39 .pin = "Headset Mic", 40 .mask = SND_JACK_MICROPHONE, 41 }, 42 }; 43 44 static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd) 45 { 46 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; 47 int ret; 48 49 /* 50 * Headset buttons map to the google Reference headset. 51 * These can be configured by userspace. 52 */ 53 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", 54 SND_JACK_HEADSET | SND_JACK_BTN_0, 55 &vg_headset, acp5x_nau8821_jack_pins, 56 ARRAY_SIZE(acp5x_nau8821_jack_pins)); 57 if (ret) { 58 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); 59 return ret; 60 } 61 62 snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA); 63 nau8821_enable_jack_detect(component, &vg_headset); 64 65 return ret; 66 } 67 68 static const unsigned int rates[] = { 69 48000, 70 }; 71 72 static const struct snd_pcm_hw_constraint_list constraints_rates = { 73 .count = ARRAY_SIZE(rates), 74 .list = rates, 75 .mask = 0, 76 }; 77 78 static const unsigned int channels[] = { 79 2, 80 }; 81 82 static const struct snd_pcm_hw_constraint_list constraints_channels = { 83 .count = ARRAY_SIZE(channels), 84 .list = channels, 85 .mask = 0, 86 }; 87 88 static const unsigned int acp5x_nau8821_format[] = {32}; 89 90 static struct snd_pcm_hw_constraint_list constraints_sample_bits = { 91 .list = acp5x_nau8821_format, 92 .count = ARRAY_SIZE(acp5x_nau8821_format), 93 }; 94 95 static int acp5x_8821_startup(struct snd_pcm_substream *substream) 96 { 97 struct snd_pcm_runtime *runtime = substream->runtime; 98 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 99 struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card); 100 101 machine->play_i2s_instance = I2S_SP_INSTANCE; 102 machine->cap_i2s_instance = I2S_SP_INSTANCE; 103 104 runtime->hw.channels_max = DUAL_CHANNEL; 105 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 106 &constraints_channels); 107 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 108 &constraints_rates); 109 snd_pcm_hw_constraint_list(substream->runtime, 0, 110 SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 111 &constraints_sample_bits); 112 113 return 0; 114 } 115 116 static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream, 117 struct snd_pcm_hw_params *params) 118 { 119 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 120 struct snd_soc_card *card = rtd->card; 121 struct snd_soc_dai *dai = snd_soc_card_get_codec_dai(card, ACP5X_NUVOTON_CODEC_DAI); 122 int ret; 123 124 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN); 125 if (ret < 0) 126 dev_err(card->dev, "can't set FS clock %d\n", ret); 127 ret = snd_soc_dai_set_pll(dai, 0, 0, snd_soc_params_to_bclk(params), 128 params_rate(params) * 256); 129 if (ret < 0) 130 dev_err(card->dev, "can't set FLL: %d\n", ret); 131 132 return ret; 133 } 134 135 static int acp5x_cs35l41_startup(struct snd_pcm_substream *substream) 136 { 137 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 138 struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card); 139 struct snd_pcm_runtime *runtime = substream->runtime; 140 141 machine->play_i2s_instance = I2S_HS_INSTANCE; 142 143 runtime->hw.channels_max = DUAL_CHANNEL; 144 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 145 &constraints_channels); 146 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 147 &constraints_rates); 148 149 return 0; 150 } 151 152 static int acp5x_cs35l41_hw_params(struct snd_pcm_substream *substream, 153 struct snd_pcm_hw_params *params) 154 { 155 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 156 unsigned int bclk, rate = params_rate(params); 157 struct snd_soc_component *comp; 158 int ret, i; 159 160 switch (rate) { 161 case 48000: 162 bclk = 1536000; 163 break; 164 default: 165 bclk = 0; 166 break; 167 } 168 169 for_each_rtd_components(rtd, i, comp) { 170 if (!(strcmp(comp->name, "spi-VLV1776:00")) || 171 !(strcmp(comp->name, "spi-VLV1776:01"))) { 172 if (!bclk) { 173 dev_err(comp->dev, "Invalid sample rate: 0x%x\n", rate); 174 return -EINVAL; 175 } 176 177 ret = snd_soc_component_set_sysclk(comp, 0, 0, bclk, SND_SOC_CLOCK_IN); 178 if (ret) { 179 dev_err(comp->dev, "failed to set SYSCLK: %d\n", ret); 180 return ret; 181 } 182 } 183 } 184 185 return 0; 186 187 } 188 189 static const struct snd_soc_ops acp5x_8821_ops = { 190 .startup = acp5x_8821_startup, 191 .hw_params = acp5x_nau8821_hw_params, 192 }; 193 194 static const struct snd_soc_ops acp5x_cs35l41_play_ops = { 195 .startup = acp5x_cs35l41_startup, 196 .hw_params = acp5x_cs35l41_hw_params, 197 }; 198 199 static struct snd_soc_codec_conf cs35l41_conf[] = { 200 { 201 .dlc = COMP_CODEC_CONF("spi-VLV1776:00"), 202 .name_prefix = "Left", 203 }, 204 { 205 .dlc = COMP_CODEC_CONF("spi-VLV1776:01"), 206 .name_prefix = "Right", 207 }, 208 }; 209 210 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0"))); 211 SND_SOC_DAILINK_DEF(acp5x_i2s, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0"))); 212 SND_SOC_DAILINK_DEF(acp5x_bt, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1"))); 213 SND_SOC_DAILINK_DEF(nau8821, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-NVTN2020:00", "nau8821-hifi"))); 214 SND_SOC_DAILINK_DEF(cs35l41, DAILINK_COMP_ARRAY(COMP_CODEC("spi-VLV1776:00", "cs35l41-pcm"), 215 COMP_CODEC("spi-VLV1776:01", "cs35l41-pcm"))); 216 217 static struct snd_soc_dai_link acp5x_dai[] = { 218 { 219 .name = "acp5x-8821-play", 220 .stream_name = "Playback/Capture", 221 .dai_fmt = SND_SOC_DAIFMT_I2S | 222 SND_SOC_DAIFMT_NB_NF | 223 SND_SOC_DAIFMT_CBC_CFC, 224 .dpcm_playback = 1, 225 .dpcm_capture = 1, 226 .ops = &acp5x_8821_ops, 227 .init = acp5x_8821_init, 228 SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform), 229 }, 230 { 231 .name = "acp5x-CS35L41-Stereo", 232 .stream_name = "CS35L41 Stereo Playback", 233 .dai_fmt = SND_SOC_DAIFMT_I2S | 234 SND_SOC_DAIFMT_NB_NF | 235 SND_SOC_DAIFMT_CBC_CFC, 236 .dpcm_playback = 1, 237 .playback_only = 1, 238 .ops = &acp5x_cs35l41_play_ops, 239 SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform), 240 }, 241 }; 242 243 static int platform_clock_control(struct snd_soc_dapm_widget *w, 244 struct snd_kcontrol *k, int event) 245 { 246 struct snd_soc_dapm_context *dapm = w->dapm; 247 struct snd_soc_card *card = dapm->card; 248 struct snd_soc_dai *dai; 249 int ret = 0; 250 251 dai = snd_soc_card_get_codec_dai(card, ACP5X_NUVOTON_CODEC_DAI); 252 if (!dai) { 253 dev_err(card->dev, "Codec dai not found\n"); 254 return -EIO; 255 } 256 257 if (SND_SOC_DAPM_EVENT_OFF(event)) { 258 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN); 259 if (ret < 0) { 260 dev_err(card->dev, "set sysclk err = %d\n", ret); 261 return -EIO; 262 } 263 } else { 264 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN); 265 if (ret < 0) 266 dev_err(dai->dev, "can't set BLK clock %d\n", ret); 267 ret = snd_soc_dai_set_pll(dai, 0, 0, ACP5X_NUVOTON_BCLK, ACP5X_NAU8821_FREQ_OUT); 268 if (ret < 0) 269 dev_err(dai->dev, "can't set FLL: %d\n", ret); 270 } 271 272 return ret; 273 } 274 275 static const struct snd_kcontrol_new acp5x_8821_controls[] = { 276 SOC_DAPM_PIN_SWITCH("Headphone"), 277 SOC_DAPM_PIN_SWITCH("Headset Mic"), 278 SOC_DAPM_PIN_SWITCH("Int Mic"), 279 }; 280 281 static const struct snd_soc_dapm_widget acp5x_8821_widgets[] = { 282 SND_SOC_DAPM_HP("Headphone", NULL), 283 SND_SOC_DAPM_MIC("Headset Mic", NULL), 284 SND_SOC_DAPM_MIC("Int Mic", NULL), 285 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 286 platform_clock_control, 287 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 288 }; 289 290 static const struct snd_soc_dapm_route acp5x_8821_audio_route[] = { 291 /* HP jack connectors - unknown if we have jack detection */ 292 { "Headphone", NULL, "HPOL" }, 293 { "Headphone", NULL, "HPOR" }, 294 { "MICL", NULL, "Headset Mic" }, 295 { "MICR", NULL, "Headset Mic" }, 296 { "DMIC", NULL, "Int Mic" }, 297 298 { "Headphone", NULL, "Platform Clock" }, 299 { "Headset Mic", NULL, "Platform Clock" }, 300 { "Int Mic", NULL, "Platform Clock" }, 301 }; 302 303 static struct snd_soc_card acp5x_card = { 304 .name = "acp5x", 305 .owner = THIS_MODULE, 306 .dai_link = acp5x_dai, 307 .num_links = ARRAY_SIZE(acp5x_dai), 308 .dapm_widgets = acp5x_8821_widgets, 309 .num_dapm_widgets = ARRAY_SIZE(acp5x_8821_widgets), 310 .dapm_routes = acp5x_8821_audio_route, 311 .num_dapm_routes = ARRAY_SIZE(acp5x_8821_audio_route), 312 .codec_conf = cs35l41_conf, 313 .num_configs = ARRAY_SIZE(cs35l41_conf), 314 .controls = acp5x_8821_controls, 315 .num_controls = ARRAY_SIZE(acp5x_8821_controls), 316 }; 317 318 static int acp5x_vg_quirk_cb(const struct dmi_system_id *id) 319 { 320 acp5x_machine_id = VG_JUPITER; 321 322 return 1; 323 } 324 325 static const struct dmi_system_id acp5x_vg_quirk_table[] = { 326 { 327 .callback = acp5x_vg_quirk_cb, 328 .matches = { 329 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"), 330 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"), 331 } 332 }, 333 {} 334 }; 335 336 static int acp5x_probe(struct platform_device *pdev) 337 { 338 struct acp5x_platform_info *machine; 339 struct device *dev = &pdev->dev; 340 struct snd_soc_card *card; 341 int ret; 342 343 machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL); 344 if (!machine) 345 return -ENOMEM; 346 347 dmi_check_system(acp5x_vg_quirk_table); 348 switch (acp5x_machine_id) { 349 case VG_JUPITER: 350 card = &acp5x_card; 351 break; 352 default: 353 return -ENODEV; 354 } 355 card->dev = dev; 356 platform_set_drvdata(pdev, card); 357 snd_soc_card_set_drvdata(card, machine); 358 359 ret = devm_snd_soc_register_card(dev, card); 360 if (ret) 361 return dev_err_probe(dev, ret, "Register card (%s) failed\n", card->name); 362 363 return 0; 364 } 365 366 static struct platform_driver acp5x_mach_driver = { 367 .driver = { 368 .name = "acp5x_mach", 369 .pm = &snd_soc_pm_ops, 370 }, 371 .probe = acp5x_probe, 372 }; 373 374 module_platform_driver(acp5x_mach_driver); 375 376 MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); 377 MODULE_DESCRIPTION("NAU8821 & CS35L41 audio support"); 378 MODULE_LICENSE("GPL v2"); 379 MODULE_ALIAS("platform:" DRV_NAME); 380