1// SPDX-License-Identifier: GPL-2.0 2// 3// Freescale Generic ASoC Sound Card driver with ASRC 4// 5// Copyright (C) 2014 Freescale Semiconductor, Inc. 6// 7// Author: Nicolin Chen <nicoleotsuka@gmail.com> 8 9#include <linux/clk.h> 10#include <linux/i2c.h> 11#include <linux/module.h> 12#include <linux/of_platform.h> 13#if IS_ENABLED(CONFIG_SND_AC97_CODEC) 14#include <sound/ac97_codec.h> 15#endif 16#include <sound/pcm_params.h> 17#include <sound/soc.h> 18#include <sound/jack.h> 19#include <sound/simple_card_utils.h> 20 21#include "fsl_esai.h" 22#include "fsl_sai.h" 23#include "imx-audmux.h" 24 25#include "../codecs/sgtl5000.h" 26#include "../codecs/wm8962.h" 27#include "../codecs/wm8960.h" 28#include "../codecs/wm8994.h" 29#include "../codecs/tlv320aic31xx.h" 30#include "../codecs/nau8822.h" 31 32#define DRIVER_NAME "fsl-asoc-card" 33 34#define CS427x_SYSCLK_MCLK 0 35 36#define RX 0 37#define TX 1 38 39/* Default DAI format without Master and Slave flag */ 40#define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF) 41 42/** 43 * struct codec_priv - CODEC private data 44 * @mclk: Main clock of the CODEC 45 * @mclk_freq: Clock rate of MCLK 46 * @free_freq: Clock rate of MCLK for hw_free() 47 * @mclk_id: MCLK (or main clock) id for set_sysclk() 48 * @fll_id: FLL (or secordary clock) id for set_sysclk() 49 * @pll_id: PLL id for set_pll() 50 */ 51struct codec_priv { 52 struct clk *mclk; 53 unsigned long mclk_freq; 54 unsigned long free_freq; 55 u32 mclk_id; 56 int fll_id; 57 int pll_id; 58}; 59 60/** 61 * struct cpu_priv - CPU private data 62 * @sysclk_freq: SYSCLK rates for set_sysclk() 63 * @sysclk_dir: SYSCLK directions for set_sysclk() 64 * @sysclk_id: SYSCLK ids for set_sysclk() 65 * @slot_width: Slot width of each frame 66 * @slot_num: Number of slots of each frame 67 * 68 * Note: [1] for tx and [0] for rx 69 */ 70struct cpu_priv { 71 unsigned long sysclk_freq[2]; 72 u32 sysclk_dir[2]; 73 u32 sysclk_id[2]; 74 u32 slot_width; 75 u32 slot_num; 76}; 77 78/** 79 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data 80 * @dai_link: DAI link structure including normal one and DPCM link 81 * @hp_jack: Headphone Jack structure 82 * @mic_jack: Microphone Jack structure 83 * @pdev: platform device pointer 84 * @codec_priv: CODEC private data 85 * @cpu_priv: CPU private data 86 * @card: ASoC card structure 87 * @streams: Mask of current active streams 88 * @sample_rate: Current sample rate 89 * @sample_format: Current sample format 90 * @asrc_rate: ASRC sample rate used by Back-Ends 91 * @asrc_format: ASRC sample format used by Back-Ends 92 * @dai_fmt: DAI format between CPU and CODEC 93 * @name: Card name 94 */ 95 96struct fsl_asoc_card_priv { 97 struct snd_soc_dai_link dai_link[3]; 98 struct simple_util_jack hp_jack; 99 struct simple_util_jack mic_jack; 100 struct platform_device *pdev; 101 struct codec_priv codec_priv; 102 struct cpu_priv cpu_priv; 103 struct snd_soc_card card; 104 u8 streams; 105 u32 sample_rate; 106 snd_pcm_format_t sample_format; 107 u32 asrc_rate; 108 snd_pcm_format_t asrc_format; 109 u32 dai_fmt; 110 char name[32]; 111}; 112 113/* 114 * This dapm route map exists for DPCM link only. 115 * The other routes shall go through Device Tree. 116 * 117 * Note: keep all ASRC routes in the second half 118 * to drop them easily for non-ASRC cases. 119 */ 120static const struct snd_soc_dapm_route audio_map[] = { 121 /* 1st half -- Normal DAPM routes */ 122 {"Playback", NULL, "CPU-Playback"}, 123 {"CPU-Capture", NULL, "Capture"}, 124 /* 2nd half -- ASRC DAPM routes */ 125 {"CPU-Playback", NULL, "ASRC-Playback"}, 126 {"ASRC-Capture", NULL, "CPU-Capture"}, 127}; 128 129static const struct snd_soc_dapm_route audio_map_ac97[] = { 130 /* 1st half -- Normal DAPM routes */ 131 {"AC97 Playback", NULL, "CPU AC97 Playback"}, 132 {"CPU AC97 Capture", NULL, "AC97 Capture"}, 133 /* 2nd half -- ASRC DAPM routes */ 134 {"CPU AC97 Playback", NULL, "ASRC-Playback"}, 135 {"ASRC-Capture", NULL, "CPU AC97 Capture"}, 136}; 137 138static const struct snd_soc_dapm_route audio_map_tx[] = { 139 /* 1st half -- Normal DAPM routes */ 140 {"Playback", NULL, "CPU-Playback"}, 141 /* 2nd half -- ASRC DAPM routes */ 142 {"CPU-Playback", NULL, "ASRC-Playback"}, 143}; 144 145static const struct snd_soc_dapm_route audio_map_rx[] = { 146 /* 1st half -- Normal DAPM routes */ 147 {"CPU-Capture", NULL, "Capture"}, 148 /* 2nd half -- ASRC DAPM routes */ 149 {"ASRC-Capture", NULL, "CPU-Capture"}, 150}; 151 152/* Add all possible widgets into here without being redundant */ 153static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = { 154 SND_SOC_DAPM_LINE("Line Out Jack", NULL), 155 SND_SOC_DAPM_LINE("Line In Jack", NULL), 156 SND_SOC_DAPM_HP("Headphone Jack", NULL), 157 SND_SOC_DAPM_SPK("Ext Spk", NULL), 158 SND_SOC_DAPM_MIC("Mic Jack", NULL), 159 SND_SOC_DAPM_MIC("AMIC", NULL), 160 SND_SOC_DAPM_MIC("DMIC", NULL), 161}; 162 163static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv) 164{ 165 return priv->dai_fmt == SND_SOC_DAIFMT_AC97; 166} 167 168static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, 169 struct snd_pcm_hw_params *params) 170{ 171 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 172 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); 173 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; 174 struct codec_priv *codec_priv = &priv->codec_priv; 175 struct cpu_priv *cpu_priv = &priv->cpu_priv; 176 struct device *dev = rtd->card->dev; 177 unsigned int pll_out; 178 int ret; 179 180 priv->sample_rate = params_rate(params); 181 priv->sample_format = params_format(params); 182 priv->streams |= BIT(substream->stream); 183 184 if (fsl_asoc_card_is_ac97(priv)) 185 return 0; 186 187 /* Specific configurations of DAIs starts from here */ 188 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), cpu_priv->sysclk_id[tx], 189 cpu_priv->sysclk_freq[tx], 190 cpu_priv->sysclk_dir[tx]); 191 if (ret && ret != -ENOTSUPP) { 192 dev_err(dev, "failed to set sysclk for cpu dai\n"); 193 goto fail; 194 } 195 196 if (cpu_priv->slot_width) { 197 if (!cpu_priv->slot_num) 198 cpu_priv->slot_num = 2; 199 200 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 201 cpu_priv->slot_num, 202 cpu_priv->slot_width); 203 if (ret && ret != -ENOTSUPP) { 204 dev_err(dev, "failed to set TDM slot for cpu dai\n"); 205 goto fail; 206 } 207 } 208 209 /* Specific configuration for PLL */ 210 if (codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) { 211 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) 212 pll_out = priv->sample_rate * 384; 213 else 214 pll_out = priv->sample_rate * 256; 215 216 ret = snd_soc_dai_set_pll(snd_soc_rtd_to_codec(rtd, 0), 217 codec_priv->pll_id, 218 codec_priv->mclk_id, 219 codec_priv->mclk_freq, pll_out); 220 if (ret) { 221 dev_err(dev, "failed to start FLL: %d\n", ret); 222 goto fail; 223 } 224 225 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_codec(rtd, 0), 226 codec_priv->fll_id, 227 pll_out, SND_SOC_CLOCK_IN); 228 229 if (ret && ret != -ENOTSUPP) { 230 dev_err(dev, "failed to set SYSCLK: %d\n", ret); 231 goto fail; 232 } 233 } 234 235 return 0; 236 237fail: 238 priv->streams &= ~BIT(substream->stream); 239 return ret; 240} 241 242static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream) 243{ 244 struct snd_soc_pcm_runtime *rtd = substream->private_data; 245 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); 246 struct codec_priv *codec_priv = &priv->codec_priv; 247 struct device *dev = rtd->card->dev; 248 int ret; 249 250 priv->streams &= ~BIT(substream->stream); 251 252 if (!priv->streams && codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) { 253 /* Force freq to be free_freq to avoid error message in codec */ 254 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_codec(rtd, 0), 255 codec_priv->mclk_id, 256 codec_priv->free_freq, 257 SND_SOC_CLOCK_IN); 258 if (ret) { 259 dev_err(dev, "failed to switch away from FLL: %d\n", ret); 260 return ret; 261 } 262 263 ret = snd_soc_dai_set_pll(snd_soc_rtd_to_codec(rtd, 0), 264 codec_priv->pll_id, 0, 0, 0); 265 if (ret && ret != -ENOTSUPP) { 266 dev_err(dev, "failed to stop FLL: %d\n", ret); 267 return ret; 268 } 269 } 270 271 return 0; 272} 273 274static const struct snd_soc_ops fsl_asoc_card_ops = { 275 .hw_params = fsl_asoc_card_hw_params, 276 .hw_free = fsl_asoc_card_hw_free, 277}; 278 279static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 280 struct snd_pcm_hw_params *params) 281{ 282 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); 283 struct snd_interval *rate; 284 struct snd_mask *mask; 285 286 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 287 rate->max = rate->min = priv->asrc_rate; 288 289 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 290 snd_mask_none(mask); 291 snd_mask_set_format(mask, priv->asrc_format); 292 293 return 0; 294} 295 296SND_SOC_DAILINK_DEFS(hifi, 297 DAILINK_COMP_ARRAY(COMP_EMPTY()), 298 DAILINK_COMP_ARRAY(COMP_EMPTY()), 299 DAILINK_COMP_ARRAY(COMP_EMPTY())); 300 301SND_SOC_DAILINK_DEFS(hifi_fe, 302 DAILINK_COMP_ARRAY(COMP_EMPTY()), 303 DAILINK_COMP_ARRAY(COMP_DUMMY()), 304 DAILINK_COMP_ARRAY(COMP_EMPTY())); 305 306SND_SOC_DAILINK_DEFS(hifi_be, 307 DAILINK_COMP_ARRAY(COMP_EMPTY()), 308 DAILINK_COMP_ARRAY(COMP_EMPTY())); 309 310static const struct snd_soc_dai_link fsl_asoc_card_dai[] = { 311 /* Default ASoC DAI Link*/ 312 { 313 .name = "HiFi", 314 .stream_name = "HiFi", 315 .ops = &fsl_asoc_card_ops, 316 SND_SOC_DAILINK_REG(hifi), 317 }, 318 /* DPCM Link between Front-End and Back-End (Optional) */ 319 { 320 .name = "HiFi-ASRC-FE", 321 .stream_name = "HiFi-ASRC-FE", 322 .dpcm_playback = 1, 323 .dpcm_capture = 1, 324 .dynamic = 1, 325 SND_SOC_DAILINK_REG(hifi_fe), 326 }, 327 { 328 .name = "HiFi-ASRC-BE", 329 .stream_name = "HiFi-ASRC-BE", 330 .be_hw_params_fixup = be_hw_params_fixup, 331 .ops = &fsl_asoc_card_ops, 332 .dpcm_playback = 1, 333 .dpcm_capture = 1, 334 .no_pcm = 1, 335 SND_SOC_DAILINK_REG(hifi_be), 336 }, 337}; 338 339static int fsl_asoc_card_audmux_init(struct device_node *np, 340 struct fsl_asoc_card_priv *priv) 341{ 342 struct device *dev = &priv->pdev->dev; 343 u32 int_ptcr = 0, ext_ptcr = 0; 344 int int_port, ext_port; 345 int ret; 346 347 ret = of_property_read_u32(np, "mux-int-port", &int_port); 348 if (ret) { 349 dev_err(dev, "mux-int-port missing or invalid\n"); 350 return ret; 351 } 352 ret = of_property_read_u32(np, "mux-ext-port", &ext_port); 353 if (ret) { 354 dev_err(dev, "mux-ext-port missing or invalid\n"); 355 return ret; 356 } 357 358 /* 359 * The port numbering in the hardware manual starts at 1, while 360 * the AUDMUX API expects it starts at 0. 361 */ 362 int_port--; 363 ext_port--; 364 365 /* 366 * Use asynchronous mode (6 wires) for all cases except AC97. 367 * If only 4 wires are needed, just set SSI into 368 * synchronous mode and enable 4 PADs in IOMUX. 369 */ 370 switch (priv->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 371 case SND_SOC_DAIFMT_CBP_CFP: 372 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | 373 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | 374 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | 375 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 376 IMX_AUDMUX_V2_PTCR_RFSDIR | 377 IMX_AUDMUX_V2_PTCR_RCLKDIR | 378 IMX_AUDMUX_V2_PTCR_TFSDIR | 379 IMX_AUDMUX_V2_PTCR_TCLKDIR; 380 break; 381 case SND_SOC_DAIFMT_CBP_CFC: 382 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | 383 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 384 IMX_AUDMUX_V2_PTCR_RCLKDIR | 385 IMX_AUDMUX_V2_PTCR_TCLKDIR; 386 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | 387 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 388 IMX_AUDMUX_V2_PTCR_RFSDIR | 389 IMX_AUDMUX_V2_PTCR_TFSDIR; 390 break; 391 case SND_SOC_DAIFMT_CBC_CFP: 392 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | 393 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | 394 IMX_AUDMUX_V2_PTCR_RFSDIR | 395 IMX_AUDMUX_V2_PTCR_TFSDIR; 396 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | 397 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | 398 IMX_AUDMUX_V2_PTCR_RCLKDIR | 399 IMX_AUDMUX_V2_PTCR_TCLKDIR; 400 break; 401 case SND_SOC_DAIFMT_CBC_CFC: 402 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | 403 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | 404 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 405 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | 406 IMX_AUDMUX_V2_PTCR_RFSDIR | 407 IMX_AUDMUX_V2_PTCR_RCLKDIR | 408 IMX_AUDMUX_V2_PTCR_TFSDIR | 409 IMX_AUDMUX_V2_PTCR_TCLKDIR; 410 break; 411 default: 412 if (!fsl_asoc_card_is_ac97(priv)) 413 return -EINVAL; 414 } 415 416 if (fsl_asoc_card_is_ac97(priv)) { 417 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN | 418 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 419 IMX_AUDMUX_V2_PTCR_TCLKDIR; 420 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN | 421 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 422 IMX_AUDMUX_V2_PTCR_TFSDIR; 423 } 424 425 /* Asynchronous mode can not be set along with RCLKDIR */ 426 if (!fsl_asoc_card_is_ac97(priv)) { 427 unsigned int pdcr = 428 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port); 429 430 ret = imx_audmux_v2_configure_port(int_port, 0, 431 pdcr); 432 if (ret) { 433 dev_err(dev, "audmux internal port setup failed\n"); 434 return ret; 435 } 436 } 437 438 ret = imx_audmux_v2_configure_port(int_port, int_ptcr, 439 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); 440 if (ret) { 441 dev_err(dev, "audmux internal port setup failed\n"); 442 return ret; 443 } 444 445 if (!fsl_asoc_card_is_ac97(priv)) { 446 unsigned int pdcr = 447 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port); 448 449 ret = imx_audmux_v2_configure_port(ext_port, 0, 450 pdcr); 451 if (ret) { 452 dev_err(dev, "audmux external port setup failed\n"); 453 return ret; 454 } 455 } 456 457 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr, 458 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); 459 if (ret) { 460 dev_err(dev, "audmux external port setup failed\n"); 461 return ret; 462 } 463 464 return 0; 465} 466 467static int hp_jack_event(struct notifier_block *nb, unsigned long event, 468 void *data) 469{ 470 struct snd_soc_jack *jack = (struct snd_soc_jack *)data; 471 struct snd_soc_dapm_context *dapm = &jack->card->dapm; 472 473 if (event & SND_JACK_HEADPHONE) 474 /* Disable speaker if headphone is plugged in */ 475 return snd_soc_dapm_disable_pin(dapm, "Ext Spk"); 476 else 477 return snd_soc_dapm_enable_pin(dapm, "Ext Spk"); 478} 479 480static struct notifier_block hp_jack_nb = { 481 .notifier_call = hp_jack_event, 482}; 483 484static int mic_jack_event(struct notifier_block *nb, unsigned long event, 485 void *data) 486{ 487 struct snd_soc_jack *jack = (struct snd_soc_jack *)data; 488 struct snd_soc_dapm_context *dapm = &jack->card->dapm; 489 490 if (event & SND_JACK_MICROPHONE) 491 /* Disable dmic if microphone is plugged in */ 492 return snd_soc_dapm_disable_pin(dapm, "DMIC"); 493 else 494 return snd_soc_dapm_enable_pin(dapm, "DMIC"); 495} 496 497static struct notifier_block mic_jack_nb = { 498 .notifier_call = mic_jack_event, 499}; 500 501static int fsl_asoc_card_late_probe(struct snd_soc_card *card) 502{ 503 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); 504 struct snd_soc_pcm_runtime *rtd = list_first_entry( 505 &card->rtd_list, struct snd_soc_pcm_runtime, list); 506 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 507 struct codec_priv *codec_priv = &priv->codec_priv; 508 struct device *dev = card->dev; 509 int ret; 510 511 if (fsl_asoc_card_is_ac97(priv)) { 512#if IS_ENABLED(CONFIG_SND_AC97_CODEC) 513 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; 514 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); 515 516 /* 517 * Use slots 3/4 for S/PDIF so SSI won't try to enable 518 * other slots and send some samples there 519 * due to SLOTREQ bits for S/PDIF received from codec 520 */ 521 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 522 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4); 523#endif 524 525 return 0; 526 } 527 528 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, 529 codec_priv->mclk_freq, SND_SOC_CLOCK_IN); 530 if (ret && ret != -ENOTSUPP) { 531 dev_err(dev, "failed to set sysclk in %s\n", __func__); 532 return ret; 533 } 534 535 if (!IS_ERR_OR_NULL(codec_priv->mclk)) 536 clk_prepare_enable(codec_priv->mclk); 537 538 return 0; 539} 540 541static int fsl_asoc_card_probe(struct platform_device *pdev) 542{ 543 struct device_node *cpu_np, *codec_np, *asrc_np; 544 struct device_node *np = pdev->dev.of_node; 545 struct platform_device *asrc_pdev = NULL; 546 struct device_node *bitclkprovider = NULL; 547 struct device_node *frameprovider = NULL; 548 struct platform_device *cpu_pdev; 549 struct fsl_asoc_card_priv *priv; 550 struct device *codec_dev = NULL; 551 const char *codec_dai_name; 552 const char *codec_dev_name; 553 u32 asrc_fmt = 0; 554 u32 width; 555 int ret; 556 557 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 558 if (!priv) 559 return -ENOMEM; 560 561 cpu_np = of_parse_phandle(np, "audio-cpu", 0); 562 /* Give a chance to old DT binding */ 563 if (!cpu_np) 564 cpu_np = of_parse_phandle(np, "ssi-controller", 0); 565 if (!cpu_np) { 566 dev_err(&pdev->dev, "CPU phandle missing or invalid\n"); 567 ret = -EINVAL; 568 goto fail; 569 } 570 571 cpu_pdev = of_find_device_by_node(cpu_np); 572 if (!cpu_pdev) { 573 dev_err(&pdev->dev, "failed to find CPU DAI device\n"); 574 ret = -EINVAL; 575 goto fail; 576 } 577 578 codec_np = of_parse_phandle(np, "audio-codec", 0); 579 if (codec_np) { 580 struct platform_device *codec_pdev; 581 struct i2c_client *codec_i2c; 582 583 codec_i2c = of_find_i2c_device_by_node(codec_np); 584 if (codec_i2c) { 585 codec_dev = &codec_i2c->dev; 586 codec_dev_name = codec_i2c->name; 587 } 588 if (!codec_dev) { 589 codec_pdev = of_find_device_by_node(codec_np); 590 if (codec_pdev) { 591 codec_dev = &codec_pdev->dev; 592 codec_dev_name = codec_pdev->name; 593 } 594 } 595 } 596 597 asrc_np = of_parse_phandle(np, "audio-asrc", 0); 598 if (asrc_np) 599 asrc_pdev = of_find_device_by_node(asrc_np); 600 601 /* Get the MCLK rate only, and leave it controlled by CODEC drivers */ 602 if (codec_dev) { 603 struct clk *codec_clk = clk_get(codec_dev, NULL); 604 605 if (!IS_ERR(codec_clk)) { 606 priv->codec_priv.mclk_freq = clk_get_rate(codec_clk); 607 clk_put(codec_clk); 608 } 609 } 610 611 /* Default sample rate and format, will be updated in hw_params() */ 612 priv->sample_rate = 44100; 613 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; 614 615 /* Assign a default DAI format, and allow each card to overwrite it */ 616 priv->dai_fmt = DAI_FMT_BASE; 617 618 memcpy(priv->dai_link, fsl_asoc_card_dai, 619 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link)); 620 621 priv->card.dapm_routes = audio_map; 622 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map); 623 priv->card.driver_name = DRIVER_NAME; 624 625 priv->codec_priv.fll_id = -1; 626 priv->codec_priv.pll_id = -1; 627 628 /* Diversify the card configurations */ 629 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) { 630 codec_dai_name = "cs42888"; 631 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq; 632 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; 633 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; 634 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; 635 priv->cpu_priv.slot_width = 32; 636 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 637 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) { 638 codec_dai_name = "cs4271-hifi"; 639 priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK; 640 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 641 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { 642 codec_dai_name = "sgtl5000"; 643 priv->codec_priv.mclk_id = SGTL5000_SYSCLK; 644 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 645 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) { 646 codec_dai_name = "tlv320aic32x4-hifi"; 647 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 648 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic31xx")) { 649 codec_dai_name = "tlv320dac31xx-hifi"; 650 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; 651 priv->dai_link[1].dpcm_capture = 0; 652 priv->dai_link[2].dpcm_capture = 0; 653 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; 654 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; 655 priv->card.dapm_routes = audio_map_tx; 656 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 657 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) { 658 codec_dai_name = "wm8962"; 659 priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK; 660 priv->codec_priv.fll_id = WM8962_SYSCLK_FLL; 661 priv->codec_priv.pll_id = WM8962_FLL; 662 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 663 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) { 664 codec_dai_name = "wm8960-hifi"; 665 priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO; 666 priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO; 667 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 668 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) { 669 codec_dai_name = "ac97-hifi"; 670 priv->dai_fmt = SND_SOC_DAIFMT_AC97; 671 priv->card.dapm_routes = audio_map_ac97; 672 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97); 673 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) { 674 codec_dai_name = "fsl-mqs-dai"; 675 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J | 676 SND_SOC_DAIFMT_CBC_CFC | 677 SND_SOC_DAIFMT_NB_NF; 678 priv->dai_link[1].dpcm_capture = 0; 679 priv->dai_link[2].dpcm_capture = 0; 680 priv->card.dapm_routes = audio_map_tx; 681 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 682 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) { 683 codec_dai_name = "wm8524-hifi"; 684 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 685 priv->dai_link[1].dpcm_capture = 0; 686 priv->dai_link[2].dpcm_capture = 0; 687 priv->cpu_priv.slot_width = 32; 688 priv->card.dapm_routes = audio_map_tx; 689 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 690 } else if (of_device_is_compatible(np, "fsl,imx-audio-si476x")) { 691 codec_dai_name = "si476x-codec"; 692 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 693 priv->card.dapm_routes = audio_map_rx; 694 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx); 695 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8958")) { 696 codec_dai_name = "wm8994-aif1"; 697 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 698 priv->codec_priv.mclk_id = WM8994_FLL_SRC_MCLK1; 699 priv->codec_priv.fll_id = WM8994_SYSCLK_FLL1; 700 priv->codec_priv.pll_id = WM8994_FLL1; 701 priv->codec_priv.free_freq = priv->codec_priv.mclk_freq; 702 priv->card.dapm_routes = NULL; 703 priv->card.num_dapm_routes = 0; 704 } else if (of_device_is_compatible(np, "fsl,imx-audio-nau8822")) { 705 codec_dai_name = "nau8822-hifi"; 706 priv->codec_priv.mclk_id = NAU8822_CLK_MCLK; 707 priv->codec_priv.fll_id = NAU8822_CLK_PLL; 708 priv->codec_priv.pll_id = NAU8822_CLK_PLL; 709 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; 710 if (codec_dev) 711 priv->codec_priv.mclk = devm_clk_get(codec_dev, NULL); 712 } else { 713 dev_err(&pdev->dev, "unknown Device Tree compatible\n"); 714 ret = -EINVAL; 715 goto asrc_fail; 716 } 717 718 /* 719 * Allow setting mclk-id from the device-tree node. Otherwise, the 720 * default value for each card configuration is used. 721 */ 722 of_property_read_u32(np, "mclk-id", &priv->codec_priv.mclk_id); 723 724 /* Format info from DT is optional. */ 725 snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkprovider, &frameprovider); 726 if (bitclkprovider || frameprovider) { 727 unsigned int daifmt = snd_soc_daifmt_parse_format(np, NULL); 728 729 if (codec_np == bitclkprovider) 730 daifmt |= (codec_np == frameprovider) ? 731 SND_SOC_DAIFMT_CBP_CFP : SND_SOC_DAIFMT_CBP_CFC; 732 else 733 daifmt |= (codec_np == frameprovider) ? 734 SND_SOC_DAIFMT_CBC_CFP : SND_SOC_DAIFMT_CBC_CFC; 735 736 /* Override dai_fmt with value from DT */ 737 priv->dai_fmt = daifmt; 738 } 739 740 /* Change direction according to format */ 741 if (priv->dai_fmt & SND_SOC_DAIFMT_CBP_CFP) { 742 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN; 743 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN; 744 } 745 746 of_node_put(bitclkprovider); 747 of_node_put(frameprovider); 748 749 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) { 750 dev_dbg(&pdev->dev, "failed to find codec device\n"); 751 ret = -EPROBE_DEFER; 752 goto asrc_fail; 753 } 754 755 /* Common settings for corresponding Freescale CPU DAI driver */ 756 if (of_node_name_eq(cpu_np, "ssi")) { 757 /* Only SSI needs to configure AUDMUX */ 758 ret = fsl_asoc_card_audmux_init(np, priv); 759 if (ret) { 760 dev_err(&pdev->dev, "failed to init audmux\n"); 761 goto asrc_fail; 762 } 763 } else if (of_node_name_eq(cpu_np, "esai")) { 764 struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal"); 765 766 if (!IS_ERR(esai_clk)) { 767 priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk); 768 priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk); 769 clk_put(esai_clk); 770 } else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) { 771 ret = -EPROBE_DEFER; 772 goto asrc_fail; 773 } 774 775 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL; 776 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL; 777 } else if (of_node_name_eq(cpu_np, "sai")) { 778 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; 779 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; 780 } 781 782 /* Initialize sound card */ 783 priv->pdev = pdev; 784 priv->card.dev = &pdev->dev; 785 priv->card.owner = THIS_MODULE; 786 ret = snd_soc_of_parse_card_name(&priv->card, "model"); 787 if (ret) { 788 snprintf(priv->name, sizeof(priv->name), "%s-audio", 789 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name); 790 priv->card.name = priv->name; 791 } 792 priv->card.dai_link = priv->dai_link; 793 priv->card.late_probe = fsl_asoc_card_late_probe; 794 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets; 795 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets); 796 797 /* Drop the second half of DAPM routes -- ASRC */ 798 if (!asrc_pdev) 799 priv->card.num_dapm_routes /= 2; 800 801 if (of_property_read_bool(np, "audio-routing")) { 802 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); 803 if (ret) { 804 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); 805 goto asrc_fail; 806 } 807 } 808 809 /* Normal DAI Link */ 810 priv->dai_link[0].cpus->of_node = cpu_np; 811 priv->dai_link[0].codecs->dai_name = codec_dai_name; 812 813 if (!fsl_asoc_card_is_ac97(priv)) 814 priv->dai_link[0].codecs->of_node = codec_np; 815 else { 816 u32 idx; 817 818 ret = of_property_read_u32(cpu_np, "cell-index", &idx); 819 if (ret) { 820 dev_err(&pdev->dev, 821 "cannot get CPU index property\n"); 822 goto asrc_fail; 823 } 824 825 priv->dai_link[0].codecs->name = 826 devm_kasprintf(&pdev->dev, GFP_KERNEL, 827 "ac97-codec.%u", 828 (unsigned int)idx); 829 if (!priv->dai_link[0].codecs->name) { 830 ret = -ENOMEM; 831 goto asrc_fail; 832 } 833 } 834 835 priv->dai_link[0].platforms->of_node = cpu_np; 836 priv->dai_link[0].dai_fmt = priv->dai_fmt; 837 priv->card.num_links = 1; 838 839 if (asrc_pdev) { 840 /* DPCM DAI Links only if ASRC exists */ 841 priv->dai_link[1].cpus->of_node = asrc_np; 842 priv->dai_link[1].platforms->of_node = asrc_np; 843 priv->dai_link[2].codecs->dai_name = codec_dai_name; 844 priv->dai_link[2].codecs->of_node = codec_np; 845 priv->dai_link[2].codecs->name = 846 priv->dai_link[0].codecs->name; 847 priv->dai_link[2].cpus->of_node = cpu_np; 848 priv->dai_link[2].dai_fmt = priv->dai_fmt; 849 priv->card.num_links = 3; 850 851 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", 852 &priv->asrc_rate); 853 if (ret) { 854 dev_err(&pdev->dev, "failed to get output rate\n"); 855 ret = -EINVAL; 856 goto asrc_fail; 857 } 858 859 ret = of_property_read_u32(asrc_np, "fsl,asrc-format", &asrc_fmt); 860 priv->asrc_format = (__force snd_pcm_format_t)asrc_fmt; 861 if (ret) { 862 /* Fallback to old binding; translate to asrc_format */ 863 ret = of_property_read_u32(asrc_np, "fsl,asrc-width", 864 &width); 865 if (ret) { 866 dev_err(&pdev->dev, 867 "failed to decide output format\n"); 868 goto asrc_fail; 869 } 870 871 if (width == 24) 872 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; 873 else 874 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE; 875 } 876 } 877 878 /* Finish card registering */ 879 platform_set_drvdata(pdev, priv); 880 snd_soc_card_set_drvdata(&priv->card, priv); 881 882 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); 883 if (ret) { 884 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n"); 885 goto asrc_fail; 886 } 887 888 /* 889 * Properties "hp-det-gpio" and "mic-det-gpio" are optional, and 890 * simple_util_init_jack() uses these properties for creating 891 * Headphone Jack and Microphone Jack. 892 * 893 * The notifier is initialized in snd_soc_card_jack_new(), then 894 * snd_soc_jack_notifier_register can be called. 895 */ 896 if (of_property_read_bool(np, "hp-det-gpio")) { 897 ret = simple_util_init_jack(&priv->card, &priv->hp_jack, 898 1, NULL, "Headphone Jack"); 899 if (ret) 900 goto asrc_fail; 901 902 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb); 903 } 904 905 if (of_property_read_bool(np, "mic-det-gpio")) { 906 ret = simple_util_init_jack(&priv->card, &priv->mic_jack, 907 0, NULL, "Mic Jack"); 908 if (ret) 909 goto asrc_fail; 910 911 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb); 912 } 913 914asrc_fail: 915 of_node_put(asrc_np); 916 of_node_put(codec_np); 917 put_device(&cpu_pdev->dev); 918fail: 919 of_node_put(cpu_np); 920 921 return ret; 922} 923 924static const struct of_device_id fsl_asoc_card_dt_ids[] = { 925 { .compatible = "fsl,imx-audio-ac97", }, 926 { .compatible = "fsl,imx-audio-cs42888", }, 927 { .compatible = "fsl,imx-audio-cs427x", }, 928 { .compatible = "fsl,imx-audio-tlv320aic32x4", }, 929 { .compatible = "fsl,imx-audio-tlv320aic31xx", }, 930 { .compatible = "fsl,imx-audio-sgtl5000", }, 931 { .compatible = "fsl,imx-audio-wm8962", }, 932 { .compatible = "fsl,imx-audio-wm8960", }, 933 { .compatible = "fsl,imx-audio-mqs", }, 934 { .compatible = "fsl,imx-audio-wm8524", }, 935 { .compatible = "fsl,imx-audio-si476x", }, 936 { .compatible = "fsl,imx-audio-wm8958", }, 937 { .compatible = "fsl,imx-audio-nau8822", }, 938 {} 939}; 940MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); 941 942static struct platform_driver fsl_asoc_card_driver = { 943 .probe = fsl_asoc_card_probe, 944 .driver = { 945 .name = DRIVER_NAME, 946 .pm = &snd_soc_pm_ops, 947 .of_match_table = fsl_asoc_card_dt_ids, 948 }, 949}; 950module_platform_driver(fsl_asoc_card_driver); 951 952MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC"); 953MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>"); 954MODULE_ALIAS("platform:" DRIVER_NAME); 955MODULE_LICENSE("GPL"); 956