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/io.h> 20 #include <linux/acpi.h> 21 22 #include "raven/acp3x.h" 23 #include "../codecs/rt5682.h" 24 25 #define PCO_PLAT_CLK 48000000 26 #define RT5682_PLL_FREQ (48000 * 512) 27 #define DUAL_CHANNEL 2 28 29 static struct snd_soc_jack pco_jack; 30 static struct clk *rt5682_dai_wclk; 31 static struct clk *rt5682_dai_bclk; 32 static struct gpio_desc *dmic_sel; 33 34 static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd) 35 { 36 int ret; 37 struct snd_soc_card *card = rtd->card; 38 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 39 struct snd_soc_component *component = codec_dai->component; 40 41 dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name); 42 43 /* set rt5682 dai fmt */ 44 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S 45 | SND_SOC_DAIFMT_NB_NF 46 | SND_SOC_DAIFMT_CBM_CFM); 47 if (ret < 0) { 48 dev_err(rtd->card->dev, 49 "Failed to set rt5682 dai fmt: %d\n", ret); 50 return ret; 51 } 52 53 /* set codec PLL */ 54 ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK, 55 PCO_PLAT_CLK, RT5682_PLL_FREQ); 56 if (ret < 0) { 57 dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret); 58 return ret; 59 } 60 61 /* Set codec sysclk */ 62 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2, 63 RT5682_PLL_FREQ, SND_SOC_CLOCK_IN); 64 if (ret < 0) { 65 dev_err(rtd->dev, 66 "Failed to set rt5682 SYSCLK: %d\n", ret); 67 return ret; 68 } 69 70 /* Set tdm/i2s1 master bclk ratio */ 71 ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64); 72 if (ret < 0) { 73 dev_err(rtd->dev, 74 "Failed to set rt5682 tdm bclk ratio: %d\n", ret); 75 return ret; 76 } 77 78 rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk"); 79 rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk"); 80 81 ret = snd_soc_card_jack_new(card, "Headset Jack", 82 SND_JACK_HEADSET | SND_JACK_LINEOUT | 83 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 84 SND_JACK_BTN_2 | SND_JACK_BTN_3, 85 &pco_jack, NULL, 0); 86 if (ret) { 87 dev_err(card->dev, "HP jack creation failed %d\n", ret); 88 return ret; 89 } 90 91 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 92 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 93 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 94 snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 95 96 ret = snd_soc_component_set_jack(component, &pco_jack, NULL); 97 if (ret) { 98 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); 99 return ret; 100 } 101 102 return ret; 103 } 104 105 static int rt5682_clk_enable(struct snd_pcm_substream *substream) 106 { 107 int ret = 0; 108 struct snd_soc_pcm_runtime *rtd = substream->private_data; 109 110 /* RT5682 will support only 48K output with 48M mclk */ 111 clk_set_rate(rt5682_dai_wclk, 48000); 112 clk_set_rate(rt5682_dai_bclk, 48000 * 64); 113 ret = clk_prepare_enable(rt5682_dai_wclk); 114 if (ret < 0) { 115 dev_err(rtd->dev, "can't enable wclk %d\n", ret); 116 return ret; 117 } 118 119 return ret; 120 } 121 122 static void rt5682_clk_disable(void) 123 { 124 clk_disable_unprepare(rt5682_dai_wclk); 125 } 126 127 static const unsigned int channels[] = { 128 DUAL_CHANNEL, 129 }; 130 131 static const unsigned int rates[] = { 132 48000, 133 }; 134 135 static const struct snd_pcm_hw_constraint_list constraints_rates = { 136 .count = ARRAY_SIZE(rates), 137 .list = rates, 138 .mask = 0, 139 }; 140 141 static const struct snd_pcm_hw_constraint_list constraints_channels = { 142 .count = ARRAY_SIZE(channels), 143 .list = channels, 144 .mask = 0, 145 }; 146 147 static int acp3x_5682_startup(struct snd_pcm_substream *substream) 148 { 149 struct snd_pcm_runtime *runtime = substream->runtime; 150 struct snd_soc_pcm_runtime *rtd = substream->private_data; 151 struct snd_soc_card *card = rtd->card; 152 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 153 154 machine->play_i2s_instance = I2S_SP_INSTANCE; 155 machine->cap_i2s_instance = I2S_SP_INSTANCE; 156 157 runtime->hw.channels_max = DUAL_CHANNEL; 158 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 159 &constraints_channels); 160 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 161 &constraints_rates); 162 return rt5682_clk_enable(substream); 163 } 164 165 static int acp3x_max_startup(struct snd_pcm_substream *substream) 166 { 167 struct snd_pcm_runtime *runtime = substream->runtime; 168 struct snd_soc_pcm_runtime *rtd = substream->private_data; 169 struct snd_soc_card *card = rtd->card; 170 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 171 172 machine->play_i2s_instance = I2S_BT_INSTANCE; 173 174 runtime->hw.channels_max = DUAL_CHANNEL; 175 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 176 &constraints_channels); 177 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 178 &constraints_rates); 179 return rt5682_clk_enable(substream); 180 } 181 182 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream) 183 { 184 struct snd_soc_pcm_runtime *rtd = substream->private_data; 185 struct snd_soc_card *card = rtd->card; 186 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 187 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 188 189 machine->cap_i2s_instance = I2S_BT_INSTANCE; 190 snd_soc_dai_set_bclk_ratio(codec_dai, 64); 191 if (dmic_sel) 192 gpiod_set_value(dmic_sel, 0); 193 194 return rt5682_clk_enable(substream); 195 } 196 197 static int acp3x_ec_dmic1_startup(struct snd_pcm_substream *substream) 198 { 199 struct snd_soc_pcm_runtime *rtd = substream->private_data; 200 struct snd_soc_card *card = rtd->card; 201 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 202 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 203 204 machine->cap_i2s_instance = I2S_BT_INSTANCE; 205 snd_soc_dai_set_bclk_ratio(codec_dai, 64); 206 if (dmic_sel) 207 gpiod_set_value(dmic_sel, 1); 208 209 return rt5682_clk_enable(substream); 210 } 211 212 static void rt5682_shutdown(struct snd_pcm_substream *substream) 213 { 214 rt5682_clk_disable(); 215 } 216 217 static const struct snd_soc_ops acp3x_5682_ops = { 218 .startup = acp3x_5682_startup, 219 .shutdown = rt5682_shutdown, 220 }; 221 222 static const struct snd_soc_ops acp3x_max_play_ops = { 223 .startup = acp3x_max_startup, 224 .shutdown = rt5682_shutdown, 225 }; 226 227 static const struct snd_soc_ops acp3x_ec_cap0_ops = { 228 .startup = acp3x_ec_dmic0_startup, 229 .shutdown = rt5682_shutdown, 230 }; 231 232 static const struct snd_soc_ops acp3x_ec_cap1_ops = { 233 .startup = acp3x_ec_dmic1_startup, 234 .shutdown = rt5682_shutdown, 235 }; 236 237 SND_SOC_DAILINK_DEF(acp3x_i2s, 238 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0"))); 239 SND_SOC_DAILINK_DEF(acp3x_bt, 240 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2"))); 241 242 SND_SOC_DAILINK_DEF(rt5682, 243 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1"))); 244 SND_SOC_DAILINK_DEF(max, 245 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi"))); 246 SND_SOC_DAILINK_DEF(cros_ec, 247 DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX"))); 248 249 SND_SOC_DAILINK_DEF(platform, 250 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0"))); 251 252 static struct snd_soc_dai_link acp3x_dai_5682_98357[] = { 253 { 254 .name = "acp3x-5682-play", 255 .stream_name = "Playback", 256 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 257 | SND_SOC_DAIFMT_CBM_CFM, 258 .init = acp3x_5682_init, 259 .dpcm_playback = 1, 260 .dpcm_capture = 1, 261 .ops = &acp3x_5682_ops, 262 SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform), 263 }, 264 { 265 .name = "acp3x-max98357-play", 266 .stream_name = "HiFi Playback", 267 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 268 | SND_SOC_DAIFMT_CBM_CFM, 269 .dpcm_playback = 1, 270 .ops = &acp3x_max_play_ops, 271 SND_SOC_DAILINK_REG(acp3x_bt, max, platform), 272 }, 273 { 274 .name = "acp3x-ec-dmic0-capture", 275 .stream_name = "Capture DMIC0", 276 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 277 | SND_SOC_DAIFMT_CBS_CFS, 278 .dpcm_capture = 1, 279 .ops = &acp3x_ec_cap0_ops, 280 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform), 281 }, 282 { 283 .name = "acp3x-ec-dmic1-capture", 284 .stream_name = "Capture DMIC1", 285 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 286 | SND_SOC_DAIFMT_CBS_CFS, 287 .dpcm_capture = 1, 288 .ops = &acp3x_ec_cap1_ops, 289 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform), 290 }, 291 }; 292 293 static const struct snd_soc_dapm_widget acp3x_widgets[] = { 294 SND_SOC_DAPM_HP("Headphone Jack", NULL), 295 SND_SOC_DAPM_SPK("Spk", NULL), 296 SND_SOC_DAPM_MIC("Headset Mic", NULL), 297 }; 298 299 static const struct snd_soc_dapm_route acp3x_audio_route[] = { 300 {"Headphone Jack", NULL, "HPOL"}, 301 {"Headphone Jack", NULL, "HPOR"}, 302 {"IN1P", NULL, "Headset Mic"}, 303 {"Spk", NULL, "Speaker"}, 304 }; 305 306 static const struct snd_kcontrol_new acp3x_mc_controls[] = { 307 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 308 SOC_DAPM_PIN_SWITCH("Spk"), 309 SOC_DAPM_PIN_SWITCH("Headset Mic"), 310 }; 311 312 static struct snd_soc_card acp3x_card = { 313 .name = "acp3xalc5682m98357", 314 .owner = THIS_MODULE, 315 .dai_link = acp3x_dai_5682_98357, 316 .num_links = ARRAY_SIZE(acp3x_dai_5682_98357), 317 .dapm_widgets = acp3x_widgets, 318 .num_dapm_widgets = ARRAY_SIZE(acp3x_widgets), 319 .dapm_routes = acp3x_audio_route, 320 .num_dapm_routes = ARRAY_SIZE(acp3x_audio_route), 321 .controls = acp3x_mc_controls, 322 .num_controls = ARRAY_SIZE(acp3x_mc_controls), 323 }; 324 325 static int acp3x_probe(struct platform_device *pdev) 326 { 327 int ret; 328 struct snd_soc_card *card; 329 struct acp3x_platform_info *machine; 330 331 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL); 332 if (!machine) 333 return -ENOMEM; 334 335 card = &acp3x_card; 336 acp3x_card.dev = &pdev->dev; 337 platform_set_drvdata(pdev, card); 338 snd_soc_card_set_drvdata(card, machine); 339 340 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW); 341 if (IS_ERR(dmic_sel)) { 342 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", 343 PTR_ERR(dmic_sel)); 344 return PTR_ERR(dmic_sel); 345 } 346 347 ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_card); 348 if (ret) { 349 dev_err(&pdev->dev, 350 "devm_snd_soc_register_card(%s) failed: %d\n", 351 acp3x_card.name, ret); 352 return ret; 353 } 354 return 0; 355 } 356 357 static const struct acpi_device_id acp3x_audio_acpi_match[] = { 358 { "AMDI5682", 0 }, 359 {}, 360 }; 361 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match); 362 363 static struct platform_driver acp3x_audio = { 364 .driver = { 365 .name = "acp3x-alc5682-max98357", 366 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match), 367 .pm = &snd_soc_pm_ops, 368 }, 369 .probe = acp3x_probe, 370 }; 371 372 module_platform_driver(acp3x_audio); 373 374 MODULE_AUTHOR("akshu.agrawal@amd.com"); 375 MODULE_DESCRIPTION("ALC5682 & MAX98357 audio support"); 376 MODULE_LICENSE("GPL v2"); 377