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 asoc_simple_jack hp_jack; 99 struct asoc_simple_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 = asoc_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(asoc_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(asoc_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(asoc_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(asoc_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(asoc_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(asoc_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 DAILINK_COMP_ARRAY(COMP_DUMMY())); 310 311static const struct snd_soc_dai_link fsl_asoc_card_dai[] = { 312 /* Default ASoC DAI Link*/ 313 { 314 .name = "HiFi", 315 .stream_name = "HiFi", 316 .ops = &fsl_asoc_card_ops, 317 SND_SOC_DAILINK_REG(hifi), 318 }, 319 /* DPCM Link between Front-End and Back-End (Optional) */ 320 { 321 .name = "HiFi-ASRC-FE", 322 .stream_name = "HiFi-ASRC-FE", 323 .dpcm_playback = 1, 324 .dpcm_capture = 1, 325 .dynamic = 1, 326 SND_SOC_DAILINK_REG(hifi_fe), 327 }, 328 { 329 .name = "HiFi-ASRC-BE", 330 .stream_name = "HiFi-ASRC-BE", 331 .be_hw_params_fixup = be_hw_params_fixup, 332 .ops = &fsl_asoc_card_ops, 333 .dpcm_playback = 1, 334 .dpcm_capture = 1, 335 .no_pcm = 1, 336 SND_SOC_DAILINK_REG(hifi_be), 337 }, 338}; 339 340static int fsl_asoc_card_audmux_init(struct device_node *np, 341 struct fsl_asoc_card_priv *priv) 342{ 343 struct device *dev = &priv->pdev->dev; 344 u32 int_ptcr = 0, ext_ptcr = 0; 345 int int_port, ext_port; 346 int ret; 347 348 ret = of_property_read_u32(np, "mux-int-port", &int_port); 349 if (ret) { 350 dev_err(dev, "mux-int-port missing or invalid\n"); 351 return ret; 352 } 353 ret = of_property_read_u32(np, "mux-ext-port", &ext_port); 354 if (ret) { 355 dev_err(dev, "mux-ext-port missing or invalid\n"); 356 return ret; 357 } 358 359 /* 360 * The port numbering in the hardware manual starts at 1, while 361 * the AUDMUX API expects it starts at 0. 362 */ 363 int_port--; 364 ext_port--; 365 366 /* 367 * Use asynchronous mode (6 wires) for all cases except AC97. 368 * If only 4 wires are needed, just set SSI into 369 * synchronous mode and enable 4 PADs in IOMUX. 370 */ 371 switch (priv->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 372 case SND_SOC_DAIFMT_CBP_CFP: 373 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | 374 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | 375 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | 376 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 377 IMX_AUDMUX_V2_PTCR_RFSDIR | 378 IMX_AUDMUX_V2_PTCR_RCLKDIR | 379 IMX_AUDMUX_V2_PTCR_TFSDIR | 380 IMX_AUDMUX_V2_PTCR_TCLKDIR; 381 break; 382 case SND_SOC_DAIFMT_CBP_CFC: 383 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) | 384 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 385 IMX_AUDMUX_V2_PTCR_RCLKDIR | 386 IMX_AUDMUX_V2_PTCR_TCLKDIR; 387 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | 388 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 389 IMX_AUDMUX_V2_PTCR_RFSDIR | 390 IMX_AUDMUX_V2_PTCR_TFSDIR; 391 break; 392 case SND_SOC_DAIFMT_CBC_CFP: 393 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) | 394 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | 395 IMX_AUDMUX_V2_PTCR_RFSDIR | 396 IMX_AUDMUX_V2_PTCR_TFSDIR; 397 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | 398 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | 399 IMX_AUDMUX_V2_PTCR_RCLKDIR | 400 IMX_AUDMUX_V2_PTCR_TCLKDIR; 401 break; 402 case SND_SOC_DAIFMT_CBC_CFC: 403 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) | 404 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) | 405 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 406 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) | 407 IMX_AUDMUX_V2_PTCR_RFSDIR | 408 IMX_AUDMUX_V2_PTCR_RCLKDIR | 409 IMX_AUDMUX_V2_PTCR_TFSDIR | 410 IMX_AUDMUX_V2_PTCR_TCLKDIR; 411 break; 412 default: 413 if (!fsl_asoc_card_is_ac97(priv)) 414 return -EINVAL; 415 } 416 417 if (fsl_asoc_card_is_ac97(priv)) { 418 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN | 419 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | 420 IMX_AUDMUX_V2_PTCR_TCLKDIR; 421 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN | 422 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) | 423 IMX_AUDMUX_V2_PTCR_TFSDIR; 424 } 425 426 /* Asynchronous mode can not be set along with RCLKDIR */ 427 if (!fsl_asoc_card_is_ac97(priv)) { 428 unsigned int pdcr = 429 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port); 430 431 ret = imx_audmux_v2_configure_port(int_port, 0, 432 pdcr); 433 if (ret) { 434 dev_err(dev, "audmux internal port setup failed\n"); 435 return ret; 436 } 437 } 438 439 ret = imx_audmux_v2_configure_port(int_port, int_ptcr, 440 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); 441 if (ret) { 442 dev_err(dev, "audmux internal port setup failed\n"); 443 return ret; 444 } 445 446 if (!fsl_asoc_card_is_ac97(priv)) { 447 unsigned int pdcr = 448 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port); 449 450 ret = imx_audmux_v2_configure_port(ext_port, 0, 451 pdcr); 452 if (ret) { 453 dev_err(dev, "audmux external port setup failed\n"); 454 return ret; 455 } 456 } 457 458 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr, 459 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); 460 if (ret) { 461 dev_err(dev, "audmux external port setup failed\n"); 462 return ret; 463 } 464 465 return 0; 466} 467 468static int hp_jack_event(struct notifier_block *nb, unsigned long event, 469 void *data) 470{ 471 struct snd_soc_jack *jack = (struct snd_soc_jack *)data; 472 struct snd_soc_dapm_context *dapm = &jack->card->dapm; 473 474 if (event & SND_JACK_HEADPHONE) 475 /* Disable speaker if headphone is plugged in */ 476 return snd_soc_dapm_disable_pin(dapm, "Ext Spk"); 477 else 478 return snd_soc_dapm_enable_pin(dapm, "Ext Spk"); 479} 480 481static struct notifier_block hp_jack_nb = { 482 .notifier_call = hp_jack_event, 483}; 484 485static int mic_jack_event(struct notifier_block *nb, unsigned long event, 486 void *data) 487{ 488 struct snd_soc_jack *jack = (struct snd_soc_jack *)data; 489 struct snd_soc_dapm_context *dapm = &jack->card->dapm; 490 491 if (event & SND_JACK_MICROPHONE) 492 /* Disable dmic if microphone is plugged in */ 493 return snd_soc_dapm_disable_pin(dapm, "DMIC"); 494 else 495 return snd_soc_dapm_enable_pin(dapm, "DMIC"); 496} 497 498static struct notifier_block mic_jack_nb = { 499 .notifier_call = mic_jack_event, 500}; 501 502static int fsl_asoc_card_late_probe(struct snd_soc_card *card) 503{ 504 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card); 505 struct snd_soc_pcm_runtime *rtd = list_first_entry( 506 &card->rtd_list, struct snd_soc_pcm_runtime, list); 507 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 508 struct codec_priv *codec_priv = &priv->codec_priv; 509 struct device *dev = card->dev; 510 int ret; 511 512 if (fsl_asoc_card_is_ac97(priv)) { 513#if IS_ENABLED(CONFIG_SND_AC97_CODEC) 514 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; 515 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); 516 517 /* 518 * Use slots 3/4 for S/PDIF so SSI won't try to enable 519 * other slots and send some samples there 520 * due to SLOTREQ bits for S/PDIF received from codec 521 */ 522 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 523 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4); 524#endif 525 526 return 0; 527 } 528 529 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id, 530 codec_priv->mclk_freq, SND_SOC_CLOCK_IN); 531 if (ret && ret != -ENOTSUPP) { 532 dev_err(dev, "failed to set sysclk in %s\n", __func__); 533 return ret; 534 } 535 536 if (!IS_ERR_OR_NULL(codec_priv->mclk)) 537 clk_prepare_enable(codec_priv->mclk); 538 539 return 0; 540} 541 542static int fsl_asoc_card_probe(struct platform_device *pdev) 543{ 544 struct device_node *cpu_np, *codec_np, *asrc_np; 545 struct device_node *np = pdev->dev.of_node; 546 struct platform_device *asrc_pdev = NULL; 547 struct device_node *bitclkprovider = NULL; 548 struct device_node *frameprovider = NULL; 549 struct platform_device *cpu_pdev; 550 struct fsl_asoc_card_priv *priv; 551 struct device *codec_dev = NULL; 552 const char *codec_dai_name; 553 const char *codec_dev_name; 554 u32 asrc_fmt = 0; 555 u32 width; 556 int ret; 557 558 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 559 if (!priv) 560 return -ENOMEM; 561 562 cpu_np = of_parse_phandle(np, "audio-cpu", 0); 563 /* Give a chance to old DT binding */ 564 if (!cpu_np) 565 cpu_np = of_parse_phandle(np, "ssi-controller", 0); 566 if (!cpu_np) { 567 dev_err(&pdev->dev, "CPU phandle missing or invalid\n"); 568 ret = -EINVAL; 569 goto fail; 570 } 571 572 cpu_pdev = of_find_device_by_node(cpu_np); 573 if (!cpu_pdev) { 574 dev_err(&pdev->dev, "failed to find CPU DAI device\n"); 575 ret = -EINVAL; 576 goto fail; 577 } 578 579 codec_np = of_parse_phandle(np, "audio-codec", 0); 580 if (codec_np) { 581 struct platform_device *codec_pdev; 582 struct i2c_client *codec_i2c; 583 584 codec_i2c = of_find_i2c_device_by_node(codec_np); 585 if (codec_i2c) { 586 codec_dev = &codec_i2c->dev; 587 codec_dev_name = codec_i2c->name; 588 } 589 if (!codec_dev) { 590 codec_pdev = of_find_device_by_node(codec_np); 591 if (codec_pdev) { 592 codec_dev = &codec_pdev->dev; 593 codec_dev_name = codec_pdev->name; 594 } 595 } 596 } 597 598 asrc_np = of_parse_phandle(np, "audio-asrc", 0); 599 if (asrc_np) 600 asrc_pdev = of_find_device_by_node(asrc_np); 601 602 /* Get the MCLK rate only, and leave it controlled by CODEC drivers */ 603 if (codec_dev) { 604 struct clk *codec_clk = clk_get(codec_dev, NULL); 605 606 if (!IS_ERR(codec_clk)) { 607 priv->codec_priv.mclk_freq = clk_get_rate(codec_clk); 608 clk_put(codec_clk); 609 } 610 } 611 612 /* Default sample rate and format, will be updated in hw_params() */ 613 priv->sample_rate = 44100; 614 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; 615 616 /* Assign a default DAI format, and allow each card to overwrite it */ 617 priv->dai_fmt = DAI_FMT_BASE; 618 619 memcpy(priv->dai_link, fsl_asoc_card_dai, 620 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link)); 621 622 priv->card.dapm_routes = audio_map; 623 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map); 624 priv->card.driver_name = DRIVER_NAME; 625 626 priv->codec_priv.fll_id = -1; 627 priv->codec_priv.pll_id = -1; 628 629 /* Diversify the card configurations */ 630 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) { 631 codec_dai_name = "cs42888"; 632 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq; 633 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; 634 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; 635 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; 636 priv->cpu_priv.slot_width = 32; 637 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 638 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) { 639 codec_dai_name = "cs4271-hifi"; 640 priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK; 641 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 642 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { 643 codec_dai_name = "sgtl5000"; 644 priv->codec_priv.mclk_id = SGTL5000_SYSCLK; 645 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 646 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) { 647 codec_dai_name = "tlv320aic32x4-hifi"; 648 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 649 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic31xx")) { 650 codec_dai_name = "tlv320dac31xx-hifi"; 651 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; 652 priv->dai_link[1].dpcm_capture = 0; 653 priv->dai_link[2].dpcm_capture = 0; 654 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; 655 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; 656 priv->card.dapm_routes = audio_map_tx; 657 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 658 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) { 659 codec_dai_name = "wm8962"; 660 priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK; 661 priv->codec_priv.fll_id = WM8962_SYSCLK_FLL; 662 priv->codec_priv.pll_id = WM8962_FLL; 663 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 664 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) { 665 codec_dai_name = "wm8960-hifi"; 666 priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO; 667 priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO; 668 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 669 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) { 670 codec_dai_name = "ac97-hifi"; 671 priv->dai_fmt = SND_SOC_DAIFMT_AC97; 672 priv->card.dapm_routes = audio_map_ac97; 673 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97); 674 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) { 675 codec_dai_name = "fsl-mqs-dai"; 676 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J | 677 SND_SOC_DAIFMT_CBC_CFC | 678 SND_SOC_DAIFMT_NB_NF; 679 priv->dai_link[1].dpcm_capture = 0; 680 priv->dai_link[2].dpcm_capture = 0; 681 priv->card.dapm_routes = audio_map_tx; 682 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 683 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) { 684 codec_dai_name = "wm8524-hifi"; 685 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 686 priv->dai_link[1].dpcm_capture = 0; 687 priv->dai_link[2].dpcm_capture = 0; 688 priv->cpu_priv.slot_width = 32; 689 priv->card.dapm_routes = audio_map_tx; 690 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx); 691 } else if (of_device_is_compatible(np, "fsl,imx-audio-si476x")) { 692 codec_dai_name = "si476x-codec"; 693 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; 694 priv->card.dapm_routes = audio_map_rx; 695 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx); 696 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8958")) { 697 codec_dai_name = "wm8994-aif1"; 698 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; 699 priv->codec_priv.mclk_id = WM8994_FLL_SRC_MCLK1; 700 priv->codec_priv.fll_id = WM8994_SYSCLK_FLL1; 701 priv->codec_priv.pll_id = WM8994_FLL1; 702 priv->codec_priv.free_freq = priv->codec_priv.mclk_freq; 703 priv->card.dapm_routes = NULL; 704 priv->card.num_dapm_routes = 0; 705 } else if (of_device_is_compatible(np, "fsl,imx-audio-nau8822")) { 706 codec_dai_name = "nau8822-hifi"; 707 priv->codec_priv.mclk_id = NAU8822_CLK_MCLK; 708 priv->codec_priv.fll_id = NAU8822_CLK_PLL; 709 priv->codec_priv.pll_id = NAU8822_CLK_PLL; 710 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; 711 if (codec_dev) 712 priv->codec_priv.mclk = devm_clk_get(codec_dev, NULL); 713 } else { 714 dev_err(&pdev->dev, "unknown Device Tree compatible\n"); 715 ret = -EINVAL; 716 goto asrc_fail; 717 } 718 719 /* 720 * Allow setting mclk-id from the device-tree node. Otherwise, the 721 * default value for each card configuration is used. 722 */ 723 of_property_read_u32(np, "mclk-id", &priv->codec_priv.mclk_id); 724 725 /* Format info from DT is optional. */ 726 snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkprovider, &frameprovider); 727 if (bitclkprovider || frameprovider) { 728 unsigned int daifmt = snd_soc_daifmt_parse_format(np, NULL); 729 730 if (codec_np == bitclkprovider) 731 daifmt |= (codec_np == frameprovider) ? 732 SND_SOC_DAIFMT_CBP_CFP : SND_SOC_DAIFMT_CBP_CFC; 733 else 734 daifmt |= (codec_np == frameprovider) ? 735 SND_SOC_DAIFMT_CBC_CFP : SND_SOC_DAIFMT_CBC_CFC; 736 737 /* Override dai_fmt with value from DT */ 738 priv->dai_fmt = daifmt; 739 } 740 741 /* Change direction according to format */ 742 if (priv->dai_fmt & SND_SOC_DAIFMT_CBP_CFP) { 743 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN; 744 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN; 745 } 746 747 of_node_put(bitclkprovider); 748 of_node_put(frameprovider); 749 750 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) { 751 dev_dbg(&pdev->dev, "failed to find codec device\n"); 752 ret = -EPROBE_DEFER; 753 goto asrc_fail; 754 } 755 756 /* Common settings for corresponding Freescale CPU DAI driver */ 757 if (of_node_name_eq(cpu_np, "ssi")) { 758 /* Only SSI needs to configure AUDMUX */ 759 ret = fsl_asoc_card_audmux_init(np, priv); 760 if (ret) { 761 dev_err(&pdev->dev, "failed to init audmux\n"); 762 goto asrc_fail; 763 } 764 } else if (of_node_name_eq(cpu_np, "esai")) { 765 struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal"); 766 767 if (!IS_ERR(esai_clk)) { 768 priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk); 769 priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk); 770 clk_put(esai_clk); 771 } else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) { 772 ret = -EPROBE_DEFER; 773 goto asrc_fail; 774 } 775 776 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL; 777 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL; 778 } else if (of_node_name_eq(cpu_np, "sai")) { 779 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1; 780 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1; 781 } 782 783 /* Initialize sound card */ 784 priv->pdev = pdev; 785 priv->card.dev = &pdev->dev; 786 priv->card.owner = THIS_MODULE; 787 ret = snd_soc_of_parse_card_name(&priv->card, "model"); 788 if (ret) { 789 snprintf(priv->name, sizeof(priv->name), "%s-audio", 790 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name); 791 priv->card.name = priv->name; 792 } 793 priv->card.dai_link = priv->dai_link; 794 priv->card.late_probe = fsl_asoc_card_late_probe; 795 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets; 796 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets); 797 798 /* Drop the second half of DAPM routes -- ASRC */ 799 if (!asrc_pdev) 800 priv->card.num_dapm_routes /= 2; 801 802 if (of_property_read_bool(np, "audio-routing")) { 803 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); 804 if (ret) { 805 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); 806 goto asrc_fail; 807 } 808 } 809 810 /* Normal DAI Link */ 811 priv->dai_link[0].cpus->of_node = cpu_np; 812 priv->dai_link[0].codecs->dai_name = codec_dai_name; 813 814 if (!fsl_asoc_card_is_ac97(priv)) 815 priv->dai_link[0].codecs->of_node = codec_np; 816 else { 817 u32 idx; 818 819 ret = of_property_read_u32(cpu_np, "cell-index", &idx); 820 if (ret) { 821 dev_err(&pdev->dev, 822 "cannot get CPU index property\n"); 823 goto asrc_fail; 824 } 825 826 priv->dai_link[0].codecs->name = 827 devm_kasprintf(&pdev->dev, GFP_KERNEL, 828 "ac97-codec.%u", 829 (unsigned int)idx); 830 if (!priv->dai_link[0].codecs->name) { 831 ret = -ENOMEM; 832 goto asrc_fail; 833 } 834 } 835 836 priv->dai_link[0].platforms->of_node = cpu_np; 837 priv->dai_link[0].dai_fmt = priv->dai_fmt; 838 priv->card.num_links = 1; 839 840 if (asrc_pdev) { 841 /* DPCM DAI Links only if ASRC exists */ 842 priv->dai_link[1].cpus->of_node = asrc_np; 843 priv->dai_link[1].platforms->of_node = asrc_np; 844 priv->dai_link[2].codecs->dai_name = codec_dai_name; 845 priv->dai_link[2].codecs->of_node = codec_np; 846 priv->dai_link[2].codecs->name = 847 priv->dai_link[0].codecs->name; 848 priv->dai_link[2].cpus->of_node = cpu_np; 849 priv->dai_link[2].dai_fmt = priv->dai_fmt; 850 priv->card.num_links = 3; 851 852 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", 853 &priv->asrc_rate); 854 if (ret) { 855 dev_err(&pdev->dev, "failed to get output rate\n"); 856 ret = -EINVAL; 857 goto asrc_fail; 858 } 859 860 ret = of_property_read_u32(asrc_np, "fsl,asrc-format", &asrc_fmt); 861 priv->asrc_format = (__force snd_pcm_format_t)asrc_fmt; 862 if (ret) { 863 /* Fallback to old binding; translate to asrc_format */ 864 ret = of_property_read_u32(asrc_np, "fsl,asrc-width", 865 &width); 866 if (ret) { 867 dev_err(&pdev->dev, 868 "failed to decide output format\n"); 869 goto asrc_fail; 870 } 871 872 if (width == 24) 873 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; 874 else 875 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE; 876 } 877 } 878 879 /* Finish card registering */ 880 platform_set_drvdata(pdev, priv); 881 snd_soc_card_set_drvdata(&priv->card, priv); 882 883 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); 884 if (ret) { 885 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n"); 886 goto asrc_fail; 887 } 888 889 /* 890 * Properties "hp-det-gpio" and "mic-det-gpio" are optional, and 891 * asoc_simple_init_jack uses these properties for creating 892 * Headphone Jack and Microphone Jack. 893 * 894 * The notifier is initialized in snd_soc_card_jack_new(), then 895 * snd_soc_jack_notifier_register can be called. 896 */ 897 if (of_property_read_bool(np, "hp-det-gpio")) { 898 ret = asoc_simple_init_jack(&priv->card, &priv->hp_jack, 899 1, NULL, "Headphone Jack"); 900 if (ret) 901 goto asrc_fail; 902 903 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb); 904 } 905 906 if (of_property_read_bool(np, "mic-det-gpio")) { 907 ret = asoc_simple_init_jack(&priv->card, &priv->mic_jack, 908 0, NULL, "Mic Jack"); 909 if (ret) 910 goto asrc_fail; 911 912 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb); 913 } 914 915asrc_fail: 916 of_node_put(asrc_np); 917 of_node_put(codec_np); 918 put_device(&cpu_pdev->dev); 919fail: 920 of_node_put(cpu_np); 921 922 return ret; 923} 924 925static const struct of_device_id fsl_asoc_card_dt_ids[] = { 926 { .compatible = "fsl,imx-audio-ac97", }, 927 { .compatible = "fsl,imx-audio-cs42888", }, 928 { .compatible = "fsl,imx-audio-cs427x", }, 929 { .compatible = "fsl,imx-audio-tlv320aic32x4", }, 930 { .compatible = "fsl,imx-audio-tlv320aic31xx", }, 931 { .compatible = "fsl,imx-audio-sgtl5000", }, 932 { .compatible = "fsl,imx-audio-wm8962", }, 933 { .compatible = "fsl,imx-audio-wm8960", }, 934 { .compatible = "fsl,imx-audio-mqs", }, 935 { .compatible = "fsl,imx-audio-wm8524", }, 936 { .compatible = "fsl,imx-audio-si476x", }, 937 { .compatible = "fsl,imx-audio-wm8958", }, 938 { .compatible = "fsl,imx-audio-nau8822", }, 939 {} 940}; 941MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); 942 943static struct platform_driver fsl_asoc_card_driver = { 944 .probe = fsl_asoc_card_probe, 945 .driver = { 946 .name = DRIVER_NAME, 947 .pm = &snd_soc_pm_ops, 948 .of_match_table = fsl_asoc_card_dt_ids, 949 }, 950}; 951module_platform_driver(fsl_asoc_card_driver); 952 953MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC"); 954MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>"); 955MODULE_ALIAS("platform:" DRIVER_NAME); 956MODULE_LICENSE("GPL"); 957