1 /* 2 * bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform 3 * (derived from bytcr_rt5640.c) 4 * 5 * Copyright (C) 2015 Intel Corp 6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; version 2 of the License. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 * 17 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 18 */ 19 20 #include <linux/init.h> 21 #include <linux/i2c.h> 22 #include <linux/module.h> 23 #include <linux/platform_device.h> 24 #include <linux/property.h> 25 #include <linux/acpi.h> 26 #include <linux/clk.h> 27 #include <linux/device.h> 28 #include <linux/dmi.h> 29 #include <linux/input.h> 30 #include <linux/gpio/consumer.h> 31 #include <linux/gpio/machine.h> 32 #include <linux/slab.h> 33 #include <asm/cpu_device_id.h> 34 #include <asm/intel-family.h> 35 #include <sound/pcm.h> 36 #include <sound/pcm_params.h> 37 #include <sound/soc.h> 38 #include <sound/jack.h> 39 #include <sound/soc-acpi.h> 40 #include "../../codecs/rt5651.h" 41 #include "../atom/sst-atom-controls.h" 42 43 enum { 44 BYT_RT5651_DMIC_MAP, 45 BYT_RT5651_IN1_MAP, 46 BYT_RT5651_IN2_MAP, 47 BYT_RT5651_IN1_IN2_MAP, 48 }; 49 50 enum { 51 BYT_RT5651_JD_NULL = (RT5651_JD_NULL << 4), 52 BYT_RT5651_JD1_1 = (RT5651_JD1_1 << 4), 53 BYT_RT5651_JD1_2 = (RT5651_JD1_2 << 4), 54 BYT_RT5651_JD2 = (RT5651_JD2 << 4), 55 }; 56 57 enum { 58 BYT_RT5651_OVCD_TH_600UA = (6 << 8), 59 BYT_RT5651_OVCD_TH_1500UA = (15 << 8), 60 BYT_RT5651_OVCD_TH_2000UA = (20 << 8), 61 }; 62 63 enum { 64 BYT_RT5651_OVCD_SF_0P5 = (RT5651_OVCD_SF_0P5 << 13), 65 BYT_RT5651_OVCD_SF_0P75 = (RT5651_OVCD_SF_0P75 << 13), 66 BYT_RT5651_OVCD_SF_1P0 = (RT5651_OVCD_SF_1P0 << 13), 67 BYT_RT5651_OVCD_SF_1P5 = (RT5651_OVCD_SF_1P5 << 13), 68 }; 69 70 #define BYT_RT5651_MAP(quirk) ((quirk) & GENMASK(3, 0)) 71 #define BYT_RT5651_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4) 72 #define BYT_RT5651_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8) 73 #define BYT_RT5651_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13) 74 #define BYT_RT5651_DMIC_EN BIT(16) 75 #define BYT_RT5651_MCLK_EN BIT(17) 76 #define BYT_RT5651_MCLK_25MHZ BIT(18) 77 #define BYT_RT5651_SSP2_AIF2 BIT(19) /* default is using AIF1 */ 78 #define BYT_RT5651_SSP0_AIF1 BIT(20) 79 #define BYT_RT5651_SSP0_AIF2 BIT(21) 80 #define BYT_RT5651_HP_LR_SWAPPED BIT(22) 81 #define BYT_RT5651_MONO_SPEAKER BIT(23) 82 83 #define BYT_RT5651_DEFAULT_QUIRKS (BYT_RT5651_MCLK_EN | \ 84 BYT_RT5651_JD1_1 | \ 85 BYT_RT5651_OVCD_TH_2000UA | \ 86 BYT_RT5651_OVCD_SF_0P75) 87 88 /* jack-detect-source + dmic-en + ovcd-th + -sf + terminating empty entry */ 89 #define MAX_NO_PROPS 5 90 91 struct byt_rt5651_private { 92 struct clk *mclk; 93 struct gpio_desc *ext_amp_gpio; 94 struct gpio_desc *hp_detect; 95 struct snd_soc_jack jack; 96 }; 97 98 static const struct acpi_gpio_mapping *byt_rt5651_gpios; 99 100 /* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */ 101 static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS | 102 BYT_RT5651_IN2_MAP; 103 104 static unsigned int quirk_override; 105 module_param_named(quirk, quirk_override, uint, 0444); 106 MODULE_PARM_DESC(quirk, "Board-specific quirk override"); 107 108 static void log_quirks(struct device *dev) 109 { 110 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP) 111 dev_info(dev, "quirk DMIC_MAP enabled"); 112 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP) 113 dev_info(dev, "quirk IN1_MAP enabled"); 114 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP) 115 dev_info(dev, "quirk IN2_MAP enabled"); 116 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP) 117 dev_info(dev, "quirk IN1_IN2_MAP enabled"); 118 if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) { 119 dev_info(dev, "quirk realtek,jack-detect-source %ld\n", 120 BYT_RT5651_JDSRC(byt_rt5651_quirk)); 121 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n", 122 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100); 123 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n", 124 BYT_RT5651_OVCD_SF(byt_rt5651_quirk)); 125 } 126 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN) 127 dev_info(dev, "quirk DMIC enabled"); 128 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) 129 dev_info(dev, "quirk MCLK_EN enabled"); 130 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ) 131 dev_info(dev, "quirk MCLK_25MHZ enabled"); 132 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) 133 dev_info(dev, "quirk SSP2_AIF2 enabled\n"); 134 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) 135 dev_info(dev, "quirk SSP0_AIF1 enabled\n"); 136 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) 137 dev_info(dev, "quirk SSP0_AIF2 enabled\n"); 138 if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) 139 dev_info(dev, "quirk MONO_SPEAKER enabled\n"); 140 } 141 142 #define BYT_CODEC_DAI1 "rt5651-aif1" 143 #define BYT_CODEC_DAI2 "rt5651-aif2" 144 145 static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, 146 int rate, int bclk_ratio) 147 { 148 int clk_id, clk_freq, ret; 149 150 /* Configure the PLL before selecting it */ 151 if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) { 152 clk_id = RT5651_PLL1_S_BCLK1, 153 clk_freq = rate * bclk_ratio; 154 } else { 155 clk_id = RT5651_PLL1_S_MCLK; 156 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ) 157 clk_freq = 25000000; 158 else 159 clk_freq = 19200000; 160 } 161 ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512); 162 if (ret < 0) { 163 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret); 164 return ret; 165 } 166 167 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, 168 rate * 512, SND_SOC_CLOCK_IN); 169 if (ret < 0) { 170 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret); 171 return ret; 172 } 173 174 return 0; 175 } 176 177 static int platform_clock_control(struct snd_soc_dapm_widget *w, 178 struct snd_kcontrol *k, int event) 179 { 180 struct snd_soc_dapm_context *dapm = w->dapm; 181 struct snd_soc_card *card = dapm->card; 182 struct snd_soc_dai *codec_dai; 183 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); 184 int ret; 185 186 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1); 187 if (!codec_dai) 188 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2); 189 if (!codec_dai) { 190 dev_err(card->dev, 191 "Codec dai not found; Unable to set platform clock\n"); 192 return -EIO; 193 } 194 195 if (SND_SOC_DAPM_EVENT_ON(event)) { 196 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) { 197 ret = clk_prepare_enable(priv->mclk); 198 if (ret < 0) { 199 dev_err(card->dev, 200 "could not configure MCLK state"); 201 return ret; 202 } 203 } 204 ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50); 205 } else { 206 /* 207 * Set codec clock source to internal clock before 208 * turning off the platform clock. Codec needs clock 209 * for Jack detection and button press 210 */ 211 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK, 212 48000 * 512, 213 SND_SOC_CLOCK_IN); 214 if (!ret) 215 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) 216 clk_disable_unprepare(priv->mclk); 217 } 218 219 if (ret < 0) { 220 dev_err(card->dev, "can't set codec sysclk: %d\n", ret); 221 return ret; 222 } 223 224 return 0; 225 } 226 227 static int rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w, 228 struct snd_kcontrol *kcontrol, int event) 229 { 230 struct snd_soc_card *card = w->dapm->card; 231 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); 232 233 if (SND_SOC_DAPM_EVENT_ON(event)) 234 gpiod_set_value_cansleep(priv->ext_amp_gpio, 1); 235 else 236 gpiod_set_value_cansleep(priv->ext_amp_gpio, 0); 237 238 return 0; 239 } 240 241 static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = { 242 SND_SOC_DAPM_HP("Headphone", NULL), 243 SND_SOC_DAPM_MIC("Headset Mic", NULL), 244 SND_SOC_DAPM_MIC("Internal Mic", NULL), 245 SND_SOC_DAPM_SPK("Speaker", NULL), 246 SND_SOC_DAPM_LINE("Line In", NULL), 247 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 248 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 249 SND_SOC_DAPM_POST_PMD), 250 SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0, 251 rt5651_ext_amp_power_event, 252 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 253 }; 254 255 static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = { 256 {"Headphone", NULL, "Platform Clock"}, 257 {"Headset Mic", NULL, "Platform Clock"}, 258 {"Internal Mic", NULL, "Platform Clock"}, 259 {"Speaker", NULL, "Platform Clock"}, 260 {"Speaker", NULL, "Ext Amp Power"}, 261 {"Line In", NULL, "Platform Clock"}, 262 263 {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */ 264 {"Headphone", NULL, "HPOL"}, 265 {"Headphone", NULL, "HPOR"}, 266 {"Speaker", NULL, "LOUTL"}, 267 {"Speaker", NULL, "LOUTR"}, 268 {"IN2P", NULL, "Line In"}, 269 {"IN2N", NULL, "Line In"}, 270 271 }; 272 273 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = { 274 {"DMIC L1", NULL, "Internal Mic"}, 275 {"DMIC R1", NULL, "Internal Mic"}, 276 {"IN2P", NULL, "Headset Mic"}, 277 }; 278 279 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = { 280 {"Internal Mic", NULL, "micbias1"}, 281 {"IN1P", NULL, "Internal Mic"}, 282 {"IN3P", NULL, "Headset Mic"}, 283 }; 284 285 static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = { 286 {"Internal Mic", NULL, "micbias1"}, 287 {"IN2P", NULL, "Internal Mic"}, 288 {"IN3P", NULL, "Headset Mic"}, 289 }; 290 291 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = { 292 {"Internal Mic", NULL, "micbias1"}, 293 {"IN1P", NULL, "Internal Mic"}, 294 {"IN2P", NULL, "Internal Mic"}, 295 {"IN3P", NULL, "Headset Mic"}, 296 }; 297 298 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = { 299 {"ssp0 Tx", NULL, "modem_out"}, 300 {"modem_in", NULL, "ssp0 Rx"}, 301 302 {"AIF1 Playback", NULL, "ssp0 Tx"}, 303 {"ssp0 Rx", NULL, "AIF1 Capture"}, 304 }; 305 306 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = { 307 {"ssp0 Tx", NULL, "modem_out"}, 308 {"modem_in", NULL, "ssp0 Rx"}, 309 310 {"AIF2 Playback", NULL, "ssp0 Tx"}, 311 {"ssp0 Rx", NULL, "AIF2 Capture"}, 312 }; 313 314 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = { 315 {"ssp2 Tx", NULL, "codec_out0"}, 316 {"ssp2 Tx", NULL, "codec_out1"}, 317 {"codec_in0", NULL, "ssp2 Rx"}, 318 {"codec_in1", NULL, "ssp2 Rx"}, 319 320 {"AIF1 Playback", NULL, "ssp2 Tx"}, 321 {"ssp2 Rx", NULL, "AIF1 Capture"}, 322 }; 323 324 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = { 325 {"ssp2 Tx", NULL, "codec_out0"}, 326 {"ssp2 Tx", NULL, "codec_out1"}, 327 {"codec_in0", NULL, "ssp2 Rx"}, 328 {"codec_in1", NULL, "ssp2 Rx"}, 329 330 {"AIF2 Playback", NULL, "ssp2 Tx"}, 331 {"ssp2 Rx", NULL, "AIF2 Capture"}, 332 }; 333 334 static const struct snd_kcontrol_new byt_rt5651_controls[] = { 335 SOC_DAPM_PIN_SWITCH("Headphone"), 336 SOC_DAPM_PIN_SWITCH("Headset Mic"), 337 SOC_DAPM_PIN_SWITCH("Internal Mic"), 338 SOC_DAPM_PIN_SWITCH("Speaker"), 339 SOC_DAPM_PIN_SWITCH("Line In"), 340 }; 341 342 static struct snd_soc_jack_pin bytcr_jack_pins[] = { 343 { 344 .pin = "Headphone", 345 .mask = SND_JACK_HEADPHONE, 346 }, 347 { 348 .pin = "Headset Mic", 349 .mask = SND_JACK_MICROPHONE, 350 }, 351 }; 352 353 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream, 354 struct snd_pcm_hw_params *params) 355 { 356 struct snd_soc_pcm_runtime *rtd = substream->private_data; 357 struct snd_soc_dai *codec_dai = rtd->codec_dai; 358 snd_pcm_format_t format = params_format(params); 359 int rate = params_rate(params); 360 int bclk_ratio; 361 362 if (format == SNDRV_PCM_FORMAT_S16_LE) 363 bclk_ratio = 32; 364 else 365 bclk_ratio = 50; 366 367 return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio); 368 } 369 370 static const struct acpi_gpio_params pov_p1006w_hp_detect = { 1, 0, false }; 371 static const struct acpi_gpio_params pov_p1006w_ext_amp_en = { 2, 0, true }; 372 373 static const struct acpi_gpio_mapping byt_rt5651_pov_p1006w_gpios[] = { 374 { "hp-detect-gpios", &pov_p1006w_hp_detect, 1, }, 375 { "ext-amp-enable-gpios", &pov_p1006w_ext_amp_en, 1, }, 376 { }, 377 }; 378 379 static int byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id *id) 380 { 381 byt_rt5651_quirk = (unsigned long)id->driver_data; 382 byt_rt5651_gpios = byt_rt5651_pov_p1006w_gpios; 383 return 1; 384 } 385 386 static int byt_rt5651_quirk_cb(const struct dmi_system_id *id) 387 { 388 byt_rt5651_quirk = (unsigned long)id->driver_data; 389 return 1; 390 } 391 392 static const struct dmi_system_id byt_rt5651_quirk_table[] = { 393 { 394 /* Chuwi Hi8 Pro (CWI513) */ 395 .callback = byt_rt5651_quirk_cb, 396 .matches = { 397 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), 398 DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"), 399 }, 400 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | 401 BYT_RT5651_IN2_MAP | 402 BYT_RT5651_HP_LR_SWAPPED | 403 BYT_RT5651_MONO_SPEAKER), 404 }, 405 { 406 /* Chuwi Vi8 Plus (CWI519) */ 407 .callback = byt_rt5651_quirk_cb, 408 .matches = { 409 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), 410 DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"), 411 }, 412 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | 413 BYT_RT5651_IN2_MAP | 414 BYT_RT5651_HP_LR_SWAPPED | 415 BYT_RT5651_MONO_SPEAKER), 416 }, 417 { 418 /* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6 419 * (these all use the same mainboard) */ 420 .callback = byt_rt5651_quirk_cb, 421 .matches = { 422 DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."), 423 /* Partial match for all of itWORKS.G.WI71C.JGBMRBA, 424 * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */ 425 DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."), 426 }, 427 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | 428 BYT_RT5651_IN2_MAP | 429 BYT_RT5651_SSP0_AIF1 | 430 BYT_RT5651_MONO_SPEAKER), 431 }, 432 { 433 /* KIANO SlimNote 14.2 */ 434 .callback = byt_rt5651_quirk_cb, 435 .matches = { 436 DMI_MATCH(DMI_SYS_VENDOR, "KIANO"), 437 DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"), 438 }, 439 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | 440 BYT_RT5651_IN1_IN2_MAP), 441 }, 442 { 443 /* Minnowboard Max B3 */ 444 .callback = byt_rt5651_quirk_cb, 445 .matches = { 446 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"), 447 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"), 448 }, 449 .driver_data = (void *)(BYT_RT5651_IN1_MAP), 450 }, 451 { 452 /* Minnowboard Turbot */ 453 .callback = byt_rt5651_quirk_cb, 454 .matches = { 455 DMI_MATCH(DMI_SYS_VENDOR, "ADI"), 456 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"), 457 }, 458 .driver_data = (void *)(BYT_RT5651_MCLK_EN | 459 BYT_RT5651_IN1_MAP), 460 }, 461 { 462 /* Point of View mobii wintab p1006w (v1.0) */ 463 .callback = byt_rt5651_pov_p1006w_quirk_cb, 464 .matches = { 465 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 466 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), 467 /* Note 105b is Foxcon's USB/PCI vendor id */ 468 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), 469 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), 470 }, 471 .driver_data = (void *)(BYT_RT5651_DMIC_MAP | 472 BYT_RT5651_OVCD_TH_2000UA | 473 BYT_RT5651_OVCD_SF_0P75 | 474 BYT_RT5651_DMIC_EN | 475 BYT_RT5651_MCLK_EN | 476 BYT_RT5651_SSP0_AIF1), 477 }, 478 { 479 /* VIOS LTH17 */ 480 .callback = byt_rt5651_quirk_cb, 481 .matches = { 482 DMI_MATCH(DMI_SYS_VENDOR, "VIOS"), 483 DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"), 484 }, 485 .driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP | 486 BYT_RT5651_JD1_1 | 487 BYT_RT5651_OVCD_TH_2000UA | 488 BYT_RT5651_OVCD_SF_1P0 | 489 BYT_RT5651_MCLK_EN), 490 }, 491 { 492 /* Yours Y8W81 (and others using the same mainboard) */ 493 .callback = byt_rt5651_quirk_cb, 494 .matches = { 495 DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."), 496 /* Partial match for all devs with a W86C mainboard */ 497 DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."), 498 }, 499 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | 500 BYT_RT5651_IN2_MAP | 501 BYT_RT5651_SSP0_AIF1 | 502 BYT_RT5651_MONO_SPEAKER), 503 }, 504 {} 505 }; 506 507 /* 508 * Note this MUST be called before snd_soc_register_card(), so that the props 509 * are in place before the codec component driver's probe function parses them. 510 */ 511 static int byt_rt5651_add_codec_device_props(struct device *i2c_dev) 512 { 513 struct property_entry props[MAX_NO_PROPS] = {}; 514 int cnt = 0; 515 516 props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source", 517 BYT_RT5651_JDSRC(byt_rt5651_quirk)); 518 519 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp", 520 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100); 521 522 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor", 523 BYT_RT5651_OVCD_SF(byt_rt5651_quirk)); 524 525 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN) 526 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en"); 527 528 return device_add_properties(i2c_dev, props); 529 } 530 531 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime) 532 { 533 struct snd_soc_card *card = runtime->card; 534 struct snd_soc_component *codec = runtime->codec_dai->component; 535 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); 536 const struct snd_soc_dapm_route *custom_map; 537 int num_routes; 538 int report; 539 int ret; 540 541 card->dapm.idle_bias_off = true; 542 543 /* Start with RC clk for jack-detect (we disable MCLK below) */ 544 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) 545 snd_soc_component_update_bits(codec, RT5651_GLB_CLK, 546 RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK); 547 548 switch (BYT_RT5651_MAP(byt_rt5651_quirk)) { 549 case BYT_RT5651_IN1_MAP: 550 custom_map = byt_rt5651_intmic_in1_map; 551 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map); 552 break; 553 case BYT_RT5651_IN2_MAP: 554 custom_map = byt_rt5651_intmic_in2_map; 555 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map); 556 break; 557 case BYT_RT5651_IN1_IN2_MAP: 558 custom_map = byt_rt5651_intmic_in1_in2_map; 559 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map); 560 break; 561 default: 562 custom_map = byt_rt5651_intmic_dmic_map; 563 num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map); 564 } 565 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); 566 if (ret) 567 return ret; 568 569 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) { 570 ret = snd_soc_dapm_add_routes(&card->dapm, 571 byt_rt5651_ssp2_aif2_map, 572 ARRAY_SIZE(byt_rt5651_ssp2_aif2_map)); 573 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) { 574 ret = snd_soc_dapm_add_routes(&card->dapm, 575 byt_rt5651_ssp0_aif1_map, 576 ARRAY_SIZE(byt_rt5651_ssp0_aif1_map)); 577 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) { 578 ret = snd_soc_dapm_add_routes(&card->dapm, 579 byt_rt5651_ssp0_aif2_map, 580 ARRAY_SIZE(byt_rt5651_ssp0_aif2_map)); 581 } else { 582 ret = snd_soc_dapm_add_routes(&card->dapm, 583 byt_rt5651_ssp2_aif1_map, 584 ARRAY_SIZE(byt_rt5651_ssp2_aif1_map)); 585 } 586 if (ret) 587 return ret; 588 589 ret = snd_soc_add_card_controls(card, byt_rt5651_controls, 590 ARRAY_SIZE(byt_rt5651_controls)); 591 if (ret) { 592 dev_err(card->dev, "unable to add card controls\n"); 593 return ret; 594 } 595 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); 596 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); 597 598 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) { 599 /* 600 * The firmware might enable the clock at 601 * boot (this information may or may not 602 * be reflected in the enable clock register). 603 * To change the rate we must disable the clock 604 * first to cover these cases. Due to common 605 * clock framework restrictions that do not allow 606 * to disable a clock that has not been enabled, 607 * we need to enable the clock first. 608 */ 609 ret = clk_prepare_enable(priv->mclk); 610 if (!ret) 611 clk_disable_unprepare(priv->mclk); 612 613 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ) 614 ret = clk_set_rate(priv->mclk, 25000000); 615 else 616 ret = clk_set_rate(priv->mclk, 19200000); 617 618 if (ret) 619 dev_err(card->dev, "unable to set MCLK rate\n"); 620 } 621 622 report = 0; 623 if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) 624 report = SND_JACK_HEADSET | SND_JACK_BTN_0; 625 else if (priv->hp_detect) 626 report = SND_JACK_HEADSET; 627 628 if (report) { 629 ret = snd_soc_card_jack_new(runtime->card, "Headset", 630 report, &priv->jack, bytcr_jack_pins, 631 ARRAY_SIZE(bytcr_jack_pins)); 632 if (ret) { 633 dev_err(runtime->dev, "jack creation failed %d\n", ret); 634 return ret; 635 } 636 637 if (report & SND_JACK_BTN_0) 638 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, 639 KEY_PLAYPAUSE); 640 641 ret = snd_soc_component_set_jack(codec, &priv->jack, 642 priv->hp_detect); 643 if (ret) 644 return ret; 645 } 646 647 return 0; 648 } 649 650 static const struct snd_soc_pcm_stream byt_rt5651_dai_params = { 651 .formats = SNDRV_PCM_FMTBIT_S24_LE, 652 .rate_min = 48000, 653 .rate_max = 48000, 654 .channels_min = 2, 655 .channels_max = 2, 656 }; 657 658 static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd, 659 struct snd_pcm_hw_params *params) 660 { 661 struct snd_interval *rate = hw_param_interval(params, 662 SNDRV_PCM_HW_PARAM_RATE); 663 struct snd_interval *channels = hw_param_interval(params, 664 SNDRV_PCM_HW_PARAM_CHANNELS); 665 int ret, bits; 666 667 /* The DSP will covert the FE rate to 48k, stereo */ 668 rate->min = rate->max = 48000; 669 channels->min = channels->max = 2; 670 671 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) || 672 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) { 673 /* set SSP0 to 16-bit */ 674 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); 675 bits = 16; 676 } else { 677 /* set SSP2 to 24-bit */ 678 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); 679 bits = 24; 680 } 681 682 /* 683 * Default mode for SSP configuration is TDM 4 slot, override config 684 * with explicit setting to I2S 2ch. The word length is set with 685 * dai_set_tdm_slot() since there is no other API exposed 686 */ 687 ret = snd_soc_dai_set_fmt(rtd->cpu_dai, 688 SND_SOC_DAIFMT_I2S | 689 SND_SOC_DAIFMT_NB_NF | 690 SND_SOC_DAIFMT_CBS_CFS 691 ); 692 693 if (ret < 0) { 694 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); 695 return ret; 696 } 697 698 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits); 699 if (ret < 0) { 700 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); 701 return ret; 702 } 703 704 return 0; 705 } 706 707 static const unsigned int rates_48000[] = { 708 48000, 709 }; 710 711 static const struct snd_pcm_hw_constraint_list constraints_48000 = { 712 .count = ARRAY_SIZE(rates_48000), 713 .list = rates_48000, 714 }; 715 716 static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream) 717 { 718 return snd_pcm_hw_constraint_list(substream->runtime, 0, 719 SNDRV_PCM_HW_PARAM_RATE, 720 &constraints_48000); 721 } 722 723 static const struct snd_soc_ops byt_rt5651_aif1_ops = { 724 .startup = byt_rt5651_aif1_startup, 725 }; 726 727 static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = { 728 .hw_params = byt_rt5651_aif1_hw_params, 729 }; 730 731 static struct snd_soc_dai_link byt_rt5651_dais[] = { 732 [MERR_DPCM_AUDIO] = { 733 .name = "Audio Port", 734 .stream_name = "Audio", 735 .cpu_dai_name = "media-cpu-dai", 736 .codec_dai_name = "snd-soc-dummy-dai", 737 .codec_name = "snd-soc-dummy", 738 .platform_name = "sst-mfld-platform", 739 .nonatomic = true, 740 .dynamic = 1, 741 .dpcm_playback = 1, 742 .dpcm_capture = 1, 743 .ops = &byt_rt5651_aif1_ops, 744 }, 745 [MERR_DPCM_DEEP_BUFFER] = { 746 .name = "Deep-Buffer Audio Port", 747 .stream_name = "Deep-Buffer Audio", 748 .cpu_dai_name = "deepbuffer-cpu-dai", 749 .codec_dai_name = "snd-soc-dummy-dai", 750 .codec_name = "snd-soc-dummy", 751 .platform_name = "sst-mfld-platform", 752 .nonatomic = true, 753 .dynamic = 1, 754 .dpcm_playback = 1, 755 .ops = &byt_rt5651_aif1_ops, 756 }, 757 /* CODEC<->CODEC link */ 758 /* back ends */ 759 { 760 .name = "SSP2-Codec", 761 .id = 0, 762 .cpu_dai_name = "ssp2-port", 763 .platform_name = "sst-mfld-platform", 764 .no_pcm = 1, 765 .codec_dai_name = "rt5651-aif1", 766 .codec_name = "i2c-10EC5651:00", 767 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 768 | SND_SOC_DAIFMT_CBS_CFS, 769 .be_hw_params_fixup = byt_rt5651_codec_fixup, 770 .ignore_suspend = 1, 771 .nonatomic = true, 772 .dpcm_playback = 1, 773 .dpcm_capture = 1, 774 .init = byt_rt5651_init, 775 .ops = &byt_rt5651_be_ssp2_ops, 776 }, 777 }; 778 779 /* SoC card */ 780 static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN]; 781 static char byt_rt5651_codec_aif_name[12]; /* = "rt5651-aif[1|2]" */ 782 static char byt_rt5651_cpu_dai_name[10]; /* = "ssp[0|2]-port" */ 783 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */ 784 785 static int byt_rt5651_suspend(struct snd_soc_card *card) 786 { 787 struct snd_soc_component *component; 788 789 if (!BYT_RT5651_JDSRC(byt_rt5651_quirk)) 790 return 0; 791 792 for_each_card_components(card, component) { 793 if (!strcmp(component->name, byt_rt5651_codec_name)) { 794 dev_dbg(component->dev, "disabling jack detect before suspend\n"); 795 snd_soc_component_set_jack(component, NULL, NULL); 796 break; 797 } 798 } 799 800 return 0; 801 } 802 803 static int byt_rt5651_resume(struct snd_soc_card *card) 804 { 805 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); 806 struct snd_soc_component *component; 807 808 if (!BYT_RT5651_JDSRC(byt_rt5651_quirk)) 809 return 0; 810 811 for_each_card_components(card, component) { 812 if (!strcmp(component->name, byt_rt5651_codec_name)) { 813 dev_dbg(component->dev, "re-enabling jack detect after resume\n"); 814 snd_soc_component_set_jack(component, &priv->jack, 815 priv->hp_detect); 816 break; 817 } 818 } 819 820 return 0; 821 } 822 823 static struct snd_soc_card byt_rt5651_card = { 824 .name = "bytcr-rt5651", 825 .owner = THIS_MODULE, 826 .dai_link = byt_rt5651_dais, 827 .num_links = ARRAY_SIZE(byt_rt5651_dais), 828 .dapm_widgets = byt_rt5651_widgets, 829 .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets), 830 .dapm_routes = byt_rt5651_audio_map, 831 .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map), 832 .fully_routed = true, 833 .suspend_pre = byt_rt5651_suspend, 834 .resume_post = byt_rt5651_resume, 835 }; 836 837 static const struct x86_cpu_id baytrail_cpu_ids[] = { 838 { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT }, /* Valleyview */ 839 {} 840 }; 841 842 static const struct x86_cpu_id cherrytrail_cpu_ids[] = { 843 { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT }, /* Braswell */ 844 {} 845 }; 846 847 static const struct acpi_gpio_params ext_amp_enable_gpios = { 0, 0, false }; 848 849 static const struct acpi_gpio_mapping cht_rt5651_gpios[] = { 850 /* 851 * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources, 852 * other boards may have I2cSerialBusV2, GpioInt, GpioIo instead. 853 * We want the GpioIo one for the ext-amp-enable-gpio. 854 */ 855 { "ext-amp-enable-gpios", &ext_amp_enable_gpios, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO }, 856 { }, 857 }; 858 859 struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */ 860 u64 aif_value; /* 1: AIF1, 2: AIF2 */ 861 u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */ 862 }; 863 864 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev) 865 { 866 static const char * const mic_name[] = { "dmic", "in1", "in2", "in12" }; 867 struct byt_rt5651_private *priv; 868 struct snd_soc_acpi_mach *mach; 869 const char *platform_name; 870 struct device *codec_dev; 871 const char *i2c_name = NULL; 872 const char *hp_swapped; 873 bool is_bytcr = false; 874 int ret_val = 0; 875 int dai_index = 0; 876 int i; 877 878 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 879 if (!priv) 880 return -ENOMEM; 881 882 /* register the soc card */ 883 byt_rt5651_card.dev = &pdev->dev; 884 885 mach = byt_rt5651_card.dev->platform_data; 886 snd_soc_card_set_drvdata(&byt_rt5651_card, priv); 887 888 /* fix index of codec dai */ 889 for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) { 890 if (!strcmp(byt_rt5651_dais[i].codec_name, "i2c-10EC5651:00")) { 891 dai_index = i; 892 break; 893 } 894 } 895 896 /* fixup codec name based on HID */ 897 i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1); 898 if (!i2c_name) { 899 dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id); 900 return -ENODEV; 901 } 902 snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name), 903 "%s%s", "i2c-", i2c_name); 904 byt_rt5651_dais[dai_index].codec_name = byt_rt5651_codec_name; 905 906 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, 907 byt_rt5651_codec_name); 908 if (!codec_dev) 909 return -EPROBE_DEFER; 910 911 /* 912 * swap SSP0 if bytcr is detected 913 * (will be overridden if DMI quirk is detected) 914 */ 915 if (x86_match_cpu(baytrail_cpu_ids)) { 916 if (mach->mach_params.acpi_ipc_irq_index == 0) 917 is_bytcr = true; 918 } 919 920 if (is_bytcr) { 921 /* 922 * Baytrail CR platforms may have CHAN package in BIOS, try 923 * to find relevant routing quirk based as done on Windows 924 * platforms. We have to read the information directly from the 925 * BIOS, at this stage the card is not created and the links 926 * with the codec driver/pdata are non-existent 927 */ 928 929 struct acpi_chan_package chan_package; 930 931 /* format specified: 2 64-bit integers */ 932 struct acpi_buffer format = {sizeof("NN"), "NN"}; 933 struct acpi_buffer state = {0, NULL}; 934 struct snd_soc_acpi_package_context pkg_ctx; 935 bool pkg_found = false; 936 937 state.length = sizeof(chan_package); 938 state.pointer = &chan_package; 939 940 pkg_ctx.name = "CHAN"; 941 pkg_ctx.length = 2; 942 pkg_ctx.format = &format; 943 pkg_ctx.state = &state; 944 pkg_ctx.data_valid = false; 945 946 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id, 947 &pkg_ctx); 948 if (pkg_found) { 949 if (chan_package.aif_value == 1) { 950 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n"); 951 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1; 952 } else if (chan_package.aif_value == 2) { 953 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n"); 954 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2; 955 } else { 956 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n"); 957 pkg_found = false; 958 } 959 } 960 961 if (!pkg_found) { 962 /* no BIOS indications, assume SSP0-AIF2 connection */ 963 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2; 964 } 965 } 966 967 /* check quirks before creating card */ 968 dmi_check_system(byt_rt5651_quirk_table); 969 970 if (quirk_override) { 971 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n", 972 (unsigned int)byt_rt5651_quirk, quirk_override); 973 byt_rt5651_quirk = quirk_override; 974 } 975 976 /* Must be called before register_card, also see declaration comment. */ 977 ret_val = byt_rt5651_add_codec_device_props(codec_dev); 978 if (ret_val) { 979 put_device(codec_dev); 980 return ret_val; 981 } 982 983 /* Cherry Trail devices use an external amplifier enable gpio */ 984 if (x86_match_cpu(cherrytrail_cpu_ids) && !byt_rt5651_gpios) 985 byt_rt5651_gpios = cht_rt5651_gpios; 986 987 if (byt_rt5651_gpios) { 988 devm_acpi_dev_add_driver_gpios(codec_dev, byt_rt5651_gpios); 989 priv->ext_amp_gpio = devm_fwnode_get_index_gpiod_from_child( 990 &pdev->dev, "ext-amp-enable", 0, 991 codec_dev->fwnode, 992 GPIOD_OUT_LOW, "speaker-amp"); 993 if (IS_ERR(priv->ext_amp_gpio)) { 994 ret_val = PTR_ERR(priv->ext_amp_gpio); 995 switch (ret_val) { 996 case -ENOENT: 997 priv->ext_amp_gpio = NULL; 998 break; 999 default: 1000 dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n", 1001 ret_val); 1002 /* fall through */ 1003 case -EPROBE_DEFER: 1004 put_device(codec_dev); 1005 return ret_val; 1006 } 1007 } 1008 priv->hp_detect = devm_fwnode_get_index_gpiod_from_child( 1009 &pdev->dev, "hp-detect", 0, 1010 codec_dev->fwnode, 1011 GPIOD_IN, "hp-detect"); 1012 if (IS_ERR(priv->hp_detect)) { 1013 ret_val = PTR_ERR(priv->hp_detect); 1014 switch (ret_val) { 1015 case -ENOENT: 1016 priv->hp_detect = NULL; 1017 break; 1018 default: 1019 dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n", 1020 ret_val); 1021 /* fall through */ 1022 case -EPROBE_DEFER: 1023 put_device(codec_dev); 1024 return ret_val; 1025 } 1026 } 1027 } 1028 1029 put_device(codec_dev); 1030 1031 log_quirks(&pdev->dev); 1032 1033 if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) || 1034 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) { 1035 /* fixup codec aif name */ 1036 snprintf(byt_rt5651_codec_aif_name, 1037 sizeof(byt_rt5651_codec_aif_name), 1038 "%s", "rt5651-aif2"); 1039 1040 byt_rt5651_dais[dai_index].codec_dai_name = 1041 byt_rt5651_codec_aif_name; 1042 } 1043 1044 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) || 1045 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) { 1046 /* fixup cpu dai name name */ 1047 snprintf(byt_rt5651_cpu_dai_name, 1048 sizeof(byt_rt5651_cpu_dai_name), 1049 "%s", "ssp0-port"); 1050 1051 byt_rt5651_dais[dai_index].cpu_dai_name = 1052 byt_rt5651_cpu_dai_name; 1053 } 1054 1055 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) { 1056 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); 1057 if (IS_ERR(priv->mclk)) { 1058 ret_val = PTR_ERR(priv->mclk); 1059 dev_err(&pdev->dev, 1060 "Failed to get MCLK from pmc_plt_clk_3: %d\n", 1061 ret_val); 1062 /* 1063 * Fall back to bit clock usage for -ENOENT (clock not 1064 * available likely due to missing dependencies), bail 1065 * for all other errors, including -EPROBE_DEFER 1066 */ 1067 if (ret_val != -ENOENT) 1068 return ret_val; 1069 byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN; 1070 } 1071 } 1072 1073 if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) 1074 hp_swapped = "-hp-swapped"; 1075 else 1076 hp_swapped = ""; 1077 1078 snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name), 1079 "bytcr-rt5651-%s-spk-%s-mic%s", 1080 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? 1081 "mono" : "stereo", 1082 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], hp_swapped); 1083 byt_rt5651_card.long_name = byt_rt5651_long_name; 1084 1085 /* override plaform name, if required */ 1086 platform_name = mach->mach_params.platform; 1087 1088 ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5651_card, 1089 platform_name); 1090 if (ret_val) 1091 return ret_val; 1092 1093 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card); 1094 1095 if (ret_val) { 1096 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n", 1097 ret_val); 1098 return ret_val; 1099 } 1100 platform_set_drvdata(pdev, &byt_rt5651_card); 1101 return ret_val; 1102 } 1103 1104 static struct platform_driver snd_byt_rt5651_mc_driver = { 1105 .driver = { 1106 .name = "bytcr_rt5651", 1107 }, 1108 .probe = snd_byt_rt5651_mc_probe, 1109 }; 1110 1111 module_platform_driver(snd_byt_rt5651_mc_driver); 1112 1113 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651"); 1114 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>"); 1115 MODULE_LICENSE("GPL v2"); 1116 MODULE_ALIAS("platform:bytcr_rt5651"); 1117