1 // SPDX-License-Identifier: GPL-2.0+ 2 // 3 // Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec. 4 // 5 //Copyright 2016 Advanced Micro Devices, Inc. 6 7 #include <sound/core.h> 8 #include <sound/soc.h> 9 #include <sound/pcm.h> 10 #include <sound/pcm_params.h> 11 #include <sound/soc-dapm.h> 12 #include <sound/jack.h> 13 #include <linux/clk.h> 14 #include <linux/gpio.h> 15 #include <linux/gpio/consumer.h> 16 #include <linux/module.h> 17 #include <linux/i2c.h> 18 #include <linux/input.h> 19 #include <linux/acpi.h> 20 21 #include "raven/acp3x.h" 22 #include "../codecs/rt5682.h" 23 24 #define PCO_PLAT_CLK 48000000 25 #define RT5682_PLL_FREQ (48000 * 512) 26 #define DUAL_CHANNEL 2 27 28 static struct snd_soc_jack pco_jack; 29 static struct clk *rt5682_dai_wclk; 30 static struct clk *rt5682_dai_bclk; 31 static struct gpio_desc *dmic_sel; 32 33 static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd) 34 { 35 int ret; 36 struct snd_soc_card *card = rtd->card; 37 struct snd_soc_dai *codec_dai = rtd->codec_dai; 38 struct snd_soc_component *component = codec_dai->component; 39 40 dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name); 41 42 /* set rt5682 dai fmt */ 43 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S 44 | SND_SOC_DAIFMT_NB_NF 45 | SND_SOC_DAIFMT_CBM_CFM); 46 if (ret < 0) { 47 dev_err(rtd->card->dev, 48 "Failed to set rt5682 dai fmt: %d\n", ret); 49 return ret; 50 } 51 52 /* set codec PLL */ 53 ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK, 54 PCO_PLAT_CLK, RT5682_PLL_FREQ); 55 if (ret < 0) { 56 dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret); 57 return ret; 58 } 59 60 /* Set codec sysclk */ 61 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2, 62 RT5682_PLL_FREQ, SND_SOC_CLOCK_IN); 63 if (ret < 0) { 64 dev_err(rtd->dev, 65 "Failed to set rt5682 SYSCLK: %d\n", ret); 66 return ret; 67 } 68 69 /* Set tdm/i2s1 master bclk ratio */ 70 ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64); 71 if (ret < 0) { 72 dev_err(rtd->dev, 73 "Failed to set rt5682 tdm bclk ratio: %d\n", ret); 74 return ret; 75 } 76 77 rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk"); 78 rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk"); 79 80 ret = snd_soc_card_jack_new(card, "Headset Jack", 81 SND_JACK_HEADSET | SND_JACK_LINEOUT | 82 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 83 SND_JACK_BTN_2 | SND_JACK_BTN_3, 84 &pco_jack, NULL, 0); 85 if (ret) { 86 dev_err(card->dev, "HP jack creation failed %d\n", ret); 87 return ret; 88 } 89 90 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 91 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 92 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 93 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 94 95 ret = snd_soc_component_set_jack(component, &pco_jack, NULL); 96 if (ret) { 97 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); 98 return ret; 99 } 100 101 return ret; 102 } 103 104 static int rt5682_clk_enable(struct snd_pcm_substream *substream) 105 { 106 int ret = 0; 107 struct snd_soc_pcm_runtime *rtd = substream->private_data; 108 109 /* RT5682 will support only 48K output with 48M mclk */ 110 clk_set_rate(rt5682_dai_wclk, 48000); 111 clk_set_rate(rt5682_dai_bclk, 48000 * 64); 112 ret = clk_prepare_enable(rt5682_dai_wclk); 113 if (ret < 0) { 114 dev_err(rtd->dev, "can't enable wclk %d\n", ret); 115 return ret; 116 } 117 118 return ret; 119 } 120 121 static void rt5682_clk_disable(void) 122 { 123 clk_disable_unprepare(rt5682_dai_wclk); 124 } 125 126 static const unsigned int channels[] = { 127 DUAL_CHANNEL, 128 }; 129 130 static const unsigned int rates[] = { 131 48000, 132 }; 133 134 static const struct snd_pcm_hw_constraint_list constraints_rates = { 135 .count = ARRAY_SIZE(rates), 136 .list = rates, 137 .mask = 0, 138 }; 139 140 static const struct snd_pcm_hw_constraint_list constraints_channels = { 141 .count = ARRAY_SIZE(channels), 142 .list = channels, 143 .mask = 0, 144 }; 145 146 static int acp3x_5682_startup(struct snd_pcm_substream *substream) 147 { 148 struct snd_pcm_runtime *runtime = substream->runtime; 149 struct snd_soc_pcm_runtime *rtd = substream->private_data; 150 struct snd_soc_card *card = rtd->card; 151 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 152 153 machine->play_i2s_instance = I2S_SP_INSTANCE; 154 machine->cap_i2s_instance = I2S_SP_INSTANCE; 155 156 runtime->hw.channels_max = DUAL_CHANNEL; 157 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 158 &constraints_channels); 159 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 160 &constraints_rates); 161 return rt5682_clk_enable(substream); 162 } 163 164 static int acp3x_max_startup(struct snd_pcm_substream *substream) 165 { 166 struct snd_pcm_runtime *runtime = substream->runtime; 167 struct snd_soc_pcm_runtime *rtd = substream->private_data; 168 struct snd_soc_card *card = rtd->card; 169 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 170 171 machine->play_i2s_instance = I2S_BT_INSTANCE; 172 173 runtime->hw.channels_max = DUAL_CHANNEL; 174 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 175 &constraints_channels); 176 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 177 &constraints_rates); 178 return rt5682_clk_enable(substream); 179 } 180 181 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream) 182 { 183 struct snd_soc_pcm_runtime *rtd = substream->private_data; 184 struct snd_soc_card *card = rtd->card; 185 struct snd_soc_dai *codec_dai = rtd->codec_dai; 186 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 187 188 machine->cap_i2s_instance = I2S_BT_INSTANCE; 189 snd_soc_dai_set_bclk_ratio(codec_dai, 64); 190 if (dmic_sel) 191 gpiod_set_value(dmic_sel, 0); 192 193 return rt5682_clk_enable(substream); 194 } 195 196 static int acp3x_ec_dmic1_startup(struct snd_pcm_substream *substream) 197 { 198 struct snd_soc_pcm_runtime *rtd = substream->private_data; 199 struct snd_soc_card *card = rtd->card; 200 struct snd_soc_dai *codec_dai = rtd->codec_dai; 201 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 202 203 machine->cap_i2s_instance = I2S_BT_INSTANCE; 204 snd_soc_dai_set_bclk_ratio(codec_dai, 64); 205 if (dmic_sel) 206 gpiod_set_value(dmic_sel, 1); 207 208 return rt5682_clk_enable(substream); 209 } 210 211 static void rt5682_shutdown(struct snd_pcm_substream *substream) 212 { 213 rt5682_clk_disable(); 214 } 215 216 static const struct snd_soc_ops acp3x_5682_ops = { 217 .startup = acp3x_5682_startup, 218 .shutdown = rt5682_shutdown, 219 }; 220 221 static const struct snd_soc_ops acp3x_max_play_ops = { 222 .startup = acp3x_max_startup, 223 .shutdown = rt5682_shutdown, 224 }; 225 226 static const struct snd_soc_ops acp3x_ec_cap0_ops = { 227 .startup = acp3x_ec_dmic0_startup, 228 .shutdown = rt5682_shutdown, 229 }; 230 231 static const struct snd_soc_ops acp3x_ec_cap1_ops = { 232 .startup = acp3x_ec_dmic1_startup, 233 .shutdown = rt5682_shutdown, 234 }; 235 236 SND_SOC_DAILINK_DEF(acp3x_i2s, 237 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0"))); 238 SND_SOC_DAILINK_DEF(acp3x_bt, 239 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2"))); 240 241 SND_SOC_DAILINK_DEF(rt5682, 242 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1"))); 243 SND_SOC_DAILINK_DEF(max, 244 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi"))); 245 SND_SOC_DAILINK_DEF(cros_ec, 246 DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX"))); 247 248 SND_SOC_DAILINK_DEF(platform, 249 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0"))); 250 251 static struct snd_soc_dai_link acp3x_dai_5682_98357[] = { 252 { 253 .name = "acp3x-5682-play", 254 .stream_name = "Playback", 255 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 256 | SND_SOC_DAIFMT_CBM_CFM, 257 .init = acp3x_5682_init, 258 .dpcm_playback = 1, 259 .dpcm_capture = 1, 260 .ops = &acp3x_5682_ops, 261 SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform), 262 }, 263 { 264 .name = "acp3x-max98357-play", 265 .stream_name = "HiFi Playback", 266 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 267 | SND_SOC_DAIFMT_CBM_CFM, 268 .dpcm_playback = 1, 269 .ops = &acp3x_max_play_ops, 270 SND_SOC_DAILINK_REG(acp3x_bt, max, platform), 271 }, 272 { 273 .name = "acp3x-ec-dmic0-capture", 274 .stream_name = "Capture DMIC0", 275 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 276 | SND_SOC_DAIFMT_CBS_CFS, 277 .dpcm_capture = 1, 278 .ops = &acp3x_ec_cap0_ops, 279 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform), 280 }, 281 { 282 .name = "acp3x-ec-dmic1-capture", 283 .stream_name = "Capture DMIC1", 284 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 285 | SND_SOC_DAIFMT_CBS_CFS, 286 .dpcm_capture = 1, 287 .ops = &acp3x_ec_cap1_ops, 288 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform), 289 }, 290 }; 291 292 static const struct snd_soc_dapm_widget acp3x_widgets[] = { 293 SND_SOC_DAPM_HP("Headphone Jack", NULL), 294 SND_SOC_DAPM_SPK("Spk", NULL), 295 SND_SOC_DAPM_MIC("Headset Mic", NULL), 296 }; 297 298 static const struct snd_soc_dapm_route acp3x_audio_route[] = { 299 {"Headphone Jack", NULL, "HPOL"}, 300 {"Headphone Jack", NULL, "HPOR"}, 301 {"IN1P", NULL, "Headset Mic"}, 302 {"Spk", NULL, "Speaker"}, 303 }; 304 305 static const struct snd_kcontrol_new acp3x_mc_controls[] = { 306 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 307 SOC_DAPM_PIN_SWITCH("Spk"), 308 SOC_DAPM_PIN_SWITCH("Headset Mic"), 309 }; 310 311 static struct snd_soc_card acp3x_card = { 312 .name = "acp3xalc5682m98357", 313 .owner = THIS_MODULE, 314 .dai_link = acp3x_dai_5682_98357, 315 .num_links = ARRAY_SIZE(acp3x_dai_5682_98357), 316 .dapm_widgets = acp3x_widgets, 317 .num_dapm_widgets = ARRAY_SIZE(acp3x_widgets), 318 .dapm_routes = acp3x_audio_route, 319 .num_dapm_routes = ARRAY_SIZE(acp3x_audio_route), 320 .controls = acp3x_mc_controls, 321 .num_controls = ARRAY_SIZE(acp3x_mc_controls), 322 }; 323 324 static int acp3x_probe(struct platform_device *pdev) 325 { 326 int ret; 327 struct snd_soc_card *card; 328 struct acp3x_platform_info *machine; 329 330 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL); 331 if (!machine) 332 return -ENOMEM; 333 334 card = &acp3x_card; 335 acp3x_card.dev = &pdev->dev; 336 platform_set_drvdata(pdev, card); 337 snd_soc_card_set_drvdata(card, machine); 338 339 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW); 340 if (IS_ERR(dmic_sel)) { 341 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", 342 PTR_ERR(dmic_sel)); 343 return PTR_ERR(dmic_sel); 344 } 345 346 ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_card); 347 if (ret) { 348 dev_err(&pdev->dev, 349 "devm_snd_soc_register_card(%s) failed: %d\n", 350 acp3x_card.name, ret); 351 return ret; 352 } 353 return 0; 354 } 355 356 static const struct acpi_device_id acp3x_audio_acpi_match[] = { 357 { "AMDI5682", 0 }, 358 {}, 359 }; 360 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match); 361 362 static struct platform_driver acp3x_audio = { 363 .driver = { 364 .name = "acp3x-alc5682-max98357", 365 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match), 366 .pm = &snd_soc_pm_ops, 367 }, 368 .probe = acp3x_probe, 369 }; 370 371 module_platform_driver(acp3x_audio); 372 373 MODULE_AUTHOR("akshu.agrawal@amd.com"); 374 MODULE_DESCRIPTION("ALC5682 & MAX98357 audio support"); 375 MODULE_LICENSE("GPL v2"); 376