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 #include "../codecs/wm8904.h"
32
33 #define DRIVER_NAME "fsl-asoc-card"
34
35 #define CS427x_SYSCLK_MCLK 0
36
37 #define RX 0
38 #define TX 1
39
40 /* Default DAI format without Master and Slave flag */
41 #define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF)
42
43 /**
44 * struct codec_priv - CODEC private data
45 * @mclk: Main clock of the CODEC
46 * @mclk_freq: Clock rate of MCLK
47 * @free_freq: Clock rate of MCLK for hw_free()
48 * @mclk_id: MCLK (or main clock) id for set_sysclk()
49 * @fll_id: FLL (or secordary clock) id for set_sysclk()
50 * @pll_id: PLL id for set_pll()
51 */
52 struct codec_priv {
53 struct clk *mclk;
54 unsigned long mclk_freq;
55 unsigned long free_freq;
56 u32 mclk_id;
57 int fll_id;
58 int pll_id;
59 };
60
61 /**
62 * struct cpu_priv - CPU private data
63 * @sysclk_freq: SYSCLK rates for set_sysclk()
64 * @sysclk_dir: SYSCLK directions for set_sysclk()
65 * @sysclk_id: SYSCLK ids for set_sysclk()
66 * @slot_width: Slot width of each frame
67 * @slot_num: Number of slots of each frame
68 *
69 * Note: [1] for tx and [0] for rx
70 */
71 struct cpu_priv {
72 unsigned long sysclk_freq[2];
73 u32 sysclk_dir[2];
74 u32 sysclk_id[2];
75 u32 slot_width;
76 u32 slot_num;
77 };
78
79 /**
80 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data
81 * @dai_link: DAI link structure including normal one and DPCM link
82 * @hp_jack: Headphone Jack structure
83 * @mic_jack: Microphone Jack structure
84 * @pdev: platform device pointer
85 * @codec_priv: CODEC private data
86 * @cpu_priv: CPU private data
87 * @card: ASoC card structure
88 * @streams: Mask of current active streams
89 * @sample_rate: Current sample rate
90 * @sample_format: Current sample format
91 * @asrc_rate: ASRC sample rate used by Back-Ends
92 * @asrc_format: ASRC sample format used by Back-Ends
93 * @dai_fmt: DAI format between CPU and CODEC
94 * @name: Card name
95 */
96
97 struct fsl_asoc_card_priv {
98 struct snd_soc_dai_link dai_link[3];
99 struct simple_util_jack hp_jack;
100 struct simple_util_jack mic_jack;
101 struct platform_device *pdev;
102 struct codec_priv codec_priv[2];
103 struct cpu_priv cpu_priv;
104 struct snd_soc_card card;
105 u8 streams;
106 u32 sample_rate;
107 snd_pcm_format_t sample_format;
108 u32 asrc_rate;
109 snd_pcm_format_t asrc_format;
110 u32 dai_fmt;
111 char name[32];
112 };
113
114 /*
115 * This dapm route map exists for DPCM link only.
116 * The other routes shall go through Device Tree.
117 *
118 * Note: keep all ASRC routes in the second half
119 * to drop them easily for non-ASRC cases.
120 */
121 static const struct snd_soc_dapm_route audio_map[] = {
122 /* 1st half -- Normal DAPM routes */
123 {"Playback", NULL, "CPU-Playback"},
124 {"CPU-Capture", NULL, "Capture"},
125 /* 2nd half -- ASRC DAPM routes */
126 {"CPU-Playback", NULL, "ASRC-Playback"},
127 {"ASRC-Capture", NULL, "CPU-Capture"},
128 };
129
130 static const struct snd_soc_dapm_route audio_map_ac97[] = {
131 /* 1st half -- Normal DAPM routes */
132 {"AC97 Playback", NULL, "CPU AC97 Playback"},
133 {"CPU AC97 Capture", NULL, "AC97 Capture"},
134 /* 2nd half -- ASRC DAPM routes */
135 {"CPU AC97 Playback", NULL, "ASRC-Playback"},
136 {"ASRC-Capture", NULL, "CPU AC97 Capture"},
137 };
138
139 static const struct snd_soc_dapm_route audio_map_tx[] = {
140 /* 1st half -- Normal DAPM routes */
141 {"Playback", NULL, "CPU-Playback"},
142 /* 2nd half -- ASRC DAPM routes */
143 {"CPU-Playback", NULL, "ASRC-Playback"},
144 };
145
146 static const struct snd_soc_dapm_route audio_map_rx[] = {
147 /* 1st half -- Normal DAPM routes */
148 {"CPU-Capture", NULL, "Capture"},
149 /* 2nd half -- ASRC DAPM routes */
150 {"ASRC-Capture", NULL, "CPU-Capture"},
151 };
152
153 /* Add all possible widgets into here without being redundant */
154 static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = {
155 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
156 SND_SOC_DAPM_LINE("Line In Jack", NULL),
157 SND_SOC_DAPM_HP("Headphone Jack", NULL),
158 SND_SOC_DAPM_SPK("Ext Spk", NULL),
159 SND_SOC_DAPM_MIC("Mic Jack", NULL),
160 SND_SOC_DAPM_MIC("AMIC", NULL),
161 SND_SOC_DAPM_MIC("DMIC", NULL),
162 };
163
fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv * priv)164 static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv)
165 {
166 return priv->dai_fmt == SND_SOC_DAIFMT_AC97;
167 }
168
fsl_asoc_card_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)169 static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
170 struct snd_pcm_hw_params *params)
171 {
172 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
173 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
174 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
175 struct codec_priv *codec_priv;
176 struct snd_soc_dai *codec_dai;
177 struct cpu_priv *cpu_priv = &priv->cpu_priv;
178 struct device *dev = rtd->card->dev;
179 unsigned int pll_out;
180 int codec_idx;
181 int ret;
182
183 priv->sample_rate = params_rate(params);
184 priv->sample_format = params_format(params);
185 priv->streams |= BIT(substream->stream);
186
187 if (fsl_asoc_card_is_ac97(priv))
188 return 0;
189
190 /* Specific configurations of DAIs starts from here */
191 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), cpu_priv->sysclk_id[tx],
192 cpu_priv->sysclk_freq[tx],
193 cpu_priv->sysclk_dir[tx]);
194 if (ret && ret != -ENOTSUPP) {
195 dev_err(dev, "failed to set sysclk for cpu dai\n");
196 goto fail;
197 }
198
199 if (cpu_priv->slot_width) {
200 if (!cpu_priv->slot_num)
201 cpu_priv->slot_num = 2;
202
203 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3,
204 cpu_priv->slot_num,
205 cpu_priv->slot_width);
206 if (ret && ret != -ENOTSUPP) {
207 dev_err(dev, "failed to set TDM slot for cpu dai\n");
208 goto fail;
209 }
210 }
211
212 /* Specific configuration for PLL */
213 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
214 codec_priv = &priv->codec_priv[codec_idx];
215
216 if (codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) {
217 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
218 pll_out = priv->sample_rate * 384;
219 else
220 pll_out = priv->sample_rate * 256;
221
222 ret = snd_soc_dai_set_pll(codec_dai,
223 codec_priv->pll_id,
224 codec_priv->mclk_id,
225 codec_priv->mclk_freq, pll_out);
226 if (ret) {
227 dev_err(dev, "failed to start FLL: %d\n", ret);
228 goto fail;
229 }
230
231 ret = snd_soc_dai_set_sysclk(codec_dai,
232 codec_priv->fll_id,
233 pll_out, SND_SOC_CLOCK_IN);
234
235 if (ret && ret != -ENOTSUPP) {
236 dev_err(dev, "failed to set SYSCLK: %d\n", ret);
237 goto fail;
238 }
239 }
240 }
241
242 return 0;
243
244 fail:
245 priv->streams &= ~BIT(substream->stream);
246 return ret;
247 }
248
fsl_asoc_card_hw_free(struct snd_pcm_substream * substream)249 static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
250 {
251 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
252 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
253 struct codec_priv *codec_priv;
254 struct snd_soc_dai *codec_dai;
255 struct device *dev = rtd->card->dev;
256 int codec_idx;
257 int ret;
258
259 priv->streams &= ~BIT(substream->stream);
260
261 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
262 codec_priv = &priv->codec_priv[codec_idx];
263
264 if (!priv->streams && codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) {
265 /* Force freq to be free_freq to avoid error message in codec */
266 ret = snd_soc_dai_set_sysclk(codec_dai,
267 codec_priv->mclk_id,
268 codec_priv->free_freq,
269 SND_SOC_CLOCK_IN);
270 if (ret) {
271 dev_err(dev, "failed to switch away from FLL: %d\n", ret);
272 return ret;
273 }
274
275 ret = snd_soc_dai_set_pll(codec_dai,
276 codec_priv->pll_id, 0, 0, 0);
277 if (ret && ret != -ENOTSUPP) {
278 dev_err(dev, "failed to stop FLL: %d\n", ret);
279 return ret;
280 }
281 }
282 }
283
284 return 0;
285 }
286
287 static const struct snd_soc_ops fsl_asoc_card_ops = {
288 .hw_params = fsl_asoc_card_hw_params,
289 .hw_free = fsl_asoc_card_hw_free,
290 };
291
be_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)292 static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
293 struct snd_pcm_hw_params *params)
294 {
295 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
296 struct snd_interval *rate;
297 struct snd_mask *mask;
298
299 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
300 rate->max = rate->min = priv->asrc_rate;
301
302 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
303 snd_mask_none(mask);
304 snd_mask_set_format(mask, priv->asrc_format);
305
306 return 0;
307 }
308
309 static const struct snd_soc_dai_link fsl_asoc_card_dai[] = {
310 /* Default ASoC DAI Link*/
311 {
312 .name = "HiFi",
313 .stream_name = "HiFi",
314 .ops = &fsl_asoc_card_ops,
315 },
316 /* DPCM Link between Front-End and Back-End (Optional) */
317 {
318 .name = "HiFi-ASRC-FE",
319 .stream_name = "HiFi-ASRC-FE",
320 .dpcm_playback = 1,
321 .dpcm_capture = 1,
322 .dynamic = 1,
323 },
324 {
325 .name = "HiFi-ASRC-BE",
326 .stream_name = "HiFi-ASRC-BE",
327 .be_hw_params_fixup = be_hw_params_fixup,
328 .ops = &fsl_asoc_card_ops,
329 .dpcm_playback = 1,
330 .dpcm_capture = 1,
331 .no_pcm = 1,
332 },
333 };
334
fsl_asoc_card_audmux_init(struct device_node * np,struct fsl_asoc_card_priv * priv)335 static int fsl_asoc_card_audmux_init(struct device_node *np,
336 struct fsl_asoc_card_priv *priv)
337 {
338 struct device *dev = &priv->pdev->dev;
339 u32 int_ptcr = 0, ext_ptcr = 0;
340 int int_port, ext_port;
341 int ret;
342
343 ret = of_property_read_u32(np, "mux-int-port", &int_port);
344 if (ret) {
345 dev_err(dev, "mux-int-port missing or invalid\n");
346 return ret;
347 }
348 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
349 if (ret) {
350 dev_err(dev, "mux-ext-port missing or invalid\n");
351 return ret;
352 }
353
354 /*
355 * The port numbering in the hardware manual starts at 1, while
356 * the AUDMUX API expects it starts at 0.
357 */
358 int_port--;
359 ext_port--;
360
361 /*
362 * Use asynchronous mode (6 wires) for all cases except AC97.
363 * If only 4 wires are needed, just set SSI into
364 * synchronous mode and enable 4 PADs in IOMUX.
365 */
366 switch (priv->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
367 case SND_SOC_DAIFMT_CBP_CFP:
368 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
369 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
370 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
371 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
372 IMX_AUDMUX_V2_PTCR_RFSDIR |
373 IMX_AUDMUX_V2_PTCR_RCLKDIR |
374 IMX_AUDMUX_V2_PTCR_TFSDIR |
375 IMX_AUDMUX_V2_PTCR_TCLKDIR;
376 break;
377 case SND_SOC_DAIFMT_CBP_CFC:
378 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
379 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
380 IMX_AUDMUX_V2_PTCR_RCLKDIR |
381 IMX_AUDMUX_V2_PTCR_TCLKDIR;
382 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
383 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
384 IMX_AUDMUX_V2_PTCR_RFSDIR |
385 IMX_AUDMUX_V2_PTCR_TFSDIR;
386 break;
387 case SND_SOC_DAIFMT_CBC_CFP:
388 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
389 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
390 IMX_AUDMUX_V2_PTCR_RFSDIR |
391 IMX_AUDMUX_V2_PTCR_TFSDIR;
392 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
393 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
394 IMX_AUDMUX_V2_PTCR_RCLKDIR |
395 IMX_AUDMUX_V2_PTCR_TCLKDIR;
396 break;
397 case SND_SOC_DAIFMT_CBC_CFC:
398 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
399 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
400 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
401 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
402 IMX_AUDMUX_V2_PTCR_RFSDIR |
403 IMX_AUDMUX_V2_PTCR_RCLKDIR |
404 IMX_AUDMUX_V2_PTCR_TFSDIR |
405 IMX_AUDMUX_V2_PTCR_TCLKDIR;
406 break;
407 default:
408 if (!fsl_asoc_card_is_ac97(priv))
409 return -EINVAL;
410 }
411
412 if (fsl_asoc_card_is_ac97(priv)) {
413 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
414 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
415 IMX_AUDMUX_V2_PTCR_TCLKDIR;
416 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
417 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
418 IMX_AUDMUX_V2_PTCR_TFSDIR;
419 }
420
421 /* Asynchronous mode can not be set along with RCLKDIR */
422 if (!fsl_asoc_card_is_ac97(priv)) {
423 unsigned int pdcr =
424 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port);
425
426 ret = imx_audmux_v2_configure_port(int_port, 0,
427 pdcr);
428 if (ret) {
429 dev_err(dev, "audmux internal port setup failed\n");
430 return ret;
431 }
432 }
433
434 ret = imx_audmux_v2_configure_port(int_port, int_ptcr,
435 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
436 if (ret) {
437 dev_err(dev, "audmux internal port setup failed\n");
438 return ret;
439 }
440
441 if (!fsl_asoc_card_is_ac97(priv)) {
442 unsigned int pdcr =
443 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port);
444
445 ret = imx_audmux_v2_configure_port(ext_port, 0,
446 pdcr);
447 if (ret) {
448 dev_err(dev, "audmux external port setup failed\n");
449 return ret;
450 }
451 }
452
453 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr,
454 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
455 if (ret) {
456 dev_err(dev, "audmux external port setup failed\n");
457 return ret;
458 }
459
460 return 0;
461 }
462
fsl_asoc_card_spdif_init(struct device_node * codec_np[],struct device_node * cpu_np,const char * codec_dai_name[],struct fsl_asoc_card_priv * priv)463 static int fsl_asoc_card_spdif_init(struct device_node *codec_np[],
464 struct device_node *cpu_np,
465 const char *codec_dai_name[],
466 struct fsl_asoc_card_priv *priv)
467 {
468 struct device *dev = &priv->pdev->dev;
469 struct device_node *np = dev->of_node;
470
471 if (!of_node_name_eq(cpu_np, "spdif")) {
472 dev_err(dev, "CPU phandle invalid, should be an SPDIF device\n");
473 return -EINVAL;
474 }
475
476 priv->dai_link[0].playback_only = true;
477 priv->dai_link[0].capture_only = true;
478
479 for (int i = 0; i < 2; i++) {
480 if (!codec_np[i])
481 break;
482
483 if (of_device_is_compatible(codec_np[i], "linux,spdif-dit")) {
484 priv->dai_link[0].capture_only = false;
485 codec_dai_name[i] = "dit-hifi";
486 } else if (of_device_is_compatible(codec_np[i], "linux,spdif-dir")) {
487 priv->dai_link[0].playback_only = false;
488 codec_dai_name[i] = "dir-hifi";
489 }
490 }
491
492 // Old SPDIF DT binding
493 if (!codec_np[0]) {
494 codec_dai_name[0] = snd_soc_dummy_dlc.dai_name;
495 if (of_property_read_bool(np, "spdif-out"))
496 priv->dai_link[0].capture_only = false;
497 if (of_property_read_bool(np, "spdif-in"))
498 priv->dai_link[0].playback_only = false;
499 }
500
501 if (priv->dai_link[0].playback_only && priv->dai_link[0].capture_only) {
502 dev_err(dev, "no enabled S/PDIF DAI link\n");
503 return -EINVAL;
504 }
505
506 if (priv->dai_link[0].playback_only) {
507 priv->dai_link[1].dpcm_capture = false;
508 priv->dai_link[2].dpcm_capture = false;
509 priv->card.dapm_routes = audio_map_tx;
510 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
511 } else if (priv->dai_link[0].capture_only) {
512 priv->dai_link[1].dpcm_playback = false;
513 priv->dai_link[2].dpcm_playback = false;
514 priv->card.dapm_routes = audio_map_rx;
515 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx);
516 }
517
518 // No DAPM routes with old bindings and dummy codec
519 if (!codec_np[0]) {
520 priv->card.dapm_routes = NULL;
521 priv->card.num_dapm_routes = 0;
522 }
523
524 if (codec_np[0] && codec_np[1]) {
525 priv->dai_link[0].num_codecs = 2;
526 priv->dai_link[2].num_codecs = 2;
527 }
528
529 return 0;
530 }
531
hp_jack_event(struct notifier_block * nb,unsigned long event,void * data)532 static int hp_jack_event(struct notifier_block *nb, unsigned long event,
533 void *data)
534 {
535 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
536 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
537
538 if (event & SND_JACK_HEADPHONE)
539 /* Disable speaker if headphone is plugged in */
540 return snd_soc_dapm_disable_pin(dapm, "Ext Spk");
541 else
542 return snd_soc_dapm_enable_pin(dapm, "Ext Spk");
543 }
544
545 static struct notifier_block hp_jack_nb = {
546 .notifier_call = hp_jack_event,
547 };
548
mic_jack_event(struct notifier_block * nb,unsigned long event,void * data)549 static int mic_jack_event(struct notifier_block *nb, unsigned long event,
550 void *data)
551 {
552 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
553 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
554
555 if (event & SND_JACK_MICROPHONE)
556 /* Disable dmic if microphone is plugged in */
557 return snd_soc_dapm_disable_pin(dapm, "DMIC");
558 else
559 return snd_soc_dapm_enable_pin(dapm, "DMIC");
560 }
561
562 static struct notifier_block mic_jack_nb = {
563 .notifier_call = mic_jack_event,
564 };
565
fsl_asoc_card_late_probe(struct snd_soc_card * card)566 static int fsl_asoc_card_late_probe(struct snd_soc_card *card)
567 {
568 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
569 struct snd_soc_pcm_runtime *rtd = list_first_entry(
570 &card->rtd_list, struct snd_soc_pcm_runtime, list);
571 struct snd_soc_dai *codec_dai;
572 struct codec_priv *codec_priv;
573 struct device *dev = card->dev;
574 int codec_idx;
575 int ret;
576
577 if (fsl_asoc_card_is_ac97(priv)) {
578 #if IS_ENABLED(CONFIG_SND_AC97_CODEC)
579 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
580 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
581
582 /*
583 * Use slots 3/4 for S/PDIF so SSI won't try to enable
584 * other slots and send some samples there
585 * due to SLOTREQ bits for S/PDIF received from codec
586 */
587 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
588 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4);
589 #endif
590
591 return 0;
592 }
593
594 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
595 codec_priv = &priv->codec_priv[codec_idx];
596
597 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
598 codec_priv->mclk_freq, SND_SOC_CLOCK_IN);
599 if (ret && ret != -ENOTSUPP) {
600 dev_err(dev, "failed to set sysclk in %s\n", __func__);
601 return ret;
602 }
603
604 if (!IS_ERR_OR_NULL(codec_priv->mclk))
605 clk_prepare_enable(codec_priv->mclk);
606 }
607
608 return 0;
609 }
610
fsl_asoc_card_probe(struct platform_device * pdev)611 static int fsl_asoc_card_probe(struct platform_device *pdev)
612 {
613 struct device_node *cpu_np, *asrc_np;
614 struct snd_soc_dai_link_component *codec_comp;
615 struct device_node *codec_np[2];
616 struct device_node *np = pdev->dev.of_node;
617 struct platform_device *asrc_pdev = NULL;
618 struct device_node *bitclkprovider = NULL;
619 struct device_node *frameprovider = NULL;
620 struct platform_device *cpu_pdev;
621 struct fsl_asoc_card_priv *priv;
622 struct device *codec_dev[2] = { NULL, NULL };
623 struct snd_soc_dai_link_component *dlc;
624 const char *codec_dai_name[2];
625 const char *codec_dev_name[2];
626 u32 asrc_fmt = 0;
627 int codec_idx;
628 u32 width;
629 int ret;
630
631 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
632 if (!priv)
633 return -ENOMEM;
634
635 priv->pdev = pdev;
636
637 cpu_np = of_parse_phandle(np, "audio-cpu", 0);
638 /* Give a chance to old DT bindings */
639 if (!cpu_np)
640 cpu_np = of_parse_phandle(np, "ssi-controller", 0);
641 if (!cpu_np)
642 cpu_np = of_parse_phandle(np, "spdif-controller", 0);
643 if (!cpu_np) {
644 dev_err(&pdev->dev, "CPU phandle missing or invalid\n");
645 ret = -EINVAL;
646 goto fail;
647 }
648
649 cpu_pdev = of_find_device_by_node(cpu_np);
650 if (!cpu_pdev) {
651 dev_err(&pdev->dev, "failed to find CPU DAI device\n");
652 ret = -EINVAL;
653 goto fail;
654 }
655
656 codec_np[0] = of_parse_phandle(np, "audio-codec", 0);
657 codec_np[1] = of_parse_phandle(np, "audio-codec", 1);
658
659 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
660 if (codec_np[codec_idx]) {
661 struct platform_device *codec_pdev;
662 struct i2c_client *codec_i2c;
663
664 codec_i2c = of_find_i2c_device_by_node(codec_np[codec_idx]);
665 if (codec_i2c) {
666 codec_dev[codec_idx] = &codec_i2c->dev;
667 codec_dev_name[codec_idx] = codec_i2c->name;
668 }
669 if (!codec_dev[codec_idx]) {
670 codec_pdev = of_find_device_by_node(codec_np[codec_idx]);
671 if (codec_pdev) {
672 codec_dev[codec_idx] = &codec_pdev->dev;
673 codec_dev_name[codec_idx] = codec_pdev->name;
674 }
675 }
676 }
677 }
678
679 asrc_np = of_parse_phandle(np, "audio-asrc", 0);
680 if (asrc_np)
681 asrc_pdev = of_find_device_by_node(asrc_np);
682
683 /* Get the MCLK rate only, and leave it controlled by CODEC drivers */
684 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
685 if (codec_dev[codec_idx]) {
686 struct clk *codec_clk = clk_get(codec_dev[codec_idx], NULL);
687
688 if (!IS_ERR(codec_clk)) {
689 priv->codec_priv[codec_idx].mclk_freq = clk_get_rate(codec_clk);
690 clk_put(codec_clk);
691 }
692 }
693 }
694
695 /* Default sample rate and format, will be updated in hw_params() */
696 priv->sample_rate = 44100;
697 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
698
699 /* Assign a default DAI format, and allow each card to overwrite it */
700 priv->dai_fmt = DAI_FMT_BASE;
701
702 memcpy(priv->dai_link, fsl_asoc_card_dai,
703 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link));
704 /*
705 * "Default ASoC DAI Link": 1 cpus, 2 codecs, 1 platforms
706 * "DPCM Link Front-End": 1 cpus, 1 codecs (dummy), 1 platforms
707 * "DPCM Link Back-End": 1 cpus, 2 codecs
708 * totally 10 components
709 */
710 dlc = devm_kcalloc(&pdev->dev, 10, sizeof(*dlc), GFP_KERNEL);
711 if (!dlc) {
712 ret = -ENOMEM;
713 goto asrc_fail;
714 }
715
716 priv->dai_link[0].cpus = &dlc[0];
717 priv->dai_link[0].num_cpus = 1;
718 priv->dai_link[0].codecs = &dlc[1];
719 priv->dai_link[0].num_codecs = 1;
720 priv->dai_link[0].platforms = &dlc[3];
721 priv->dai_link[0].num_platforms = 1;
722
723 priv->dai_link[1].cpus = &dlc[4];
724 priv->dai_link[1].num_cpus = 1;
725 priv->dai_link[1].codecs = &dlc[5];
726 priv->dai_link[1].num_codecs = 0; /* dummy */
727 priv->dai_link[1].platforms = &dlc[6];
728 priv->dai_link[1].num_platforms = 1;
729
730 priv->dai_link[2].cpus = &dlc[7];
731 priv->dai_link[2].num_cpus = 1;
732 priv->dai_link[2].codecs = &dlc[8];
733 priv->dai_link[2].num_codecs = 1;
734
735 priv->card.dapm_routes = audio_map;
736 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map);
737 priv->card.driver_name = DRIVER_NAME;
738
739 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
740 priv->codec_priv[codec_idx].fll_id = -1;
741 priv->codec_priv[codec_idx].pll_id = -1;
742 }
743
744 /* Diversify the card configurations */
745 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) {
746 codec_dai_name[0] = "cs42888";
747 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv[0].mclk_freq;
748 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv[0].mclk_freq;
749 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
750 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
751 priv->cpu_priv.slot_width = 32;
752 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
753 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) {
754 codec_dai_name[0] = "cs4271-hifi";
755 priv->codec_priv[0].mclk_id = CS427x_SYSCLK_MCLK;
756 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
757 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
758 codec_dai_name[0] = "sgtl5000";
759 priv->codec_priv[0].mclk_id = SGTL5000_SYSCLK;
760 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
761 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) {
762 codec_dai_name[0] = "tlv320aic32x4-hifi";
763 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
764 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic31xx")) {
765 codec_dai_name[0] = "tlv320dac31xx-hifi";
766 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
767 priv->dai_link[1].dpcm_capture = 0;
768 priv->dai_link[2].dpcm_capture = 0;
769 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
770 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
771 priv->card.dapm_routes = audio_map_tx;
772 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
773 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) {
774 codec_dai_name[0] = "wm8962";
775 priv->codec_priv[0].mclk_id = WM8962_SYSCLK_MCLK;
776 priv->codec_priv[0].fll_id = WM8962_SYSCLK_FLL;
777 priv->codec_priv[0].pll_id = WM8962_FLL;
778 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
779 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) {
780 codec_dai_name[0] = "wm8960-hifi";
781 priv->codec_priv[0].fll_id = WM8960_SYSCLK_AUTO;
782 priv->codec_priv[0].pll_id = WM8960_SYSCLK_AUTO;
783 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
784 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) {
785 codec_dai_name[0] = "ac97-hifi";
786 priv->dai_fmt = SND_SOC_DAIFMT_AC97;
787 priv->card.dapm_routes = audio_map_ac97;
788 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97);
789 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) {
790 codec_dai_name[0] = "fsl-mqs-dai";
791 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J |
792 SND_SOC_DAIFMT_CBC_CFC |
793 SND_SOC_DAIFMT_NB_NF;
794 priv->dai_link[1].dpcm_capture = 0;
795 priv->dai_link[2].dpcm_capture = 0;
796 priv->card.dapm_routes = audio_map_tx;
797 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
798 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) {
799 codec_dai_name[0] = "wm8524-hifi";
800 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
801 priv->dai_link[1].dpcm_capture = 0;
802 priv->dai_link[2].dpcm_capture = 0;
803 priv->cpu_priv.slot_width = 32;
804 priv->card.dapm_routes = audio_map_tx;
805 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
806 } else if (of_device_is_compatible(np, "fsl,imx-audio-si476x")) {
807 codec_dai_name[0] = "si476x-codec";
808 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
809 priv->card.dapm_routes = audio_map_rx;
810 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx);
811 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8958")) {
812 codec_dai_name[0] = "wm8994-aif1";
813 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
814 priv->codec_priv[0].mclk_id = WM8994_FLL_SRC_MCLK1;
815 priv->codec_priv[0].fll_id = WM8994_SYSCLK_FLL1;
816 priv->codec_priv[0].pll_id = WM8994_FLL1;
817 priv->codec_priv[0].free_freq = priv->codec_priv[0].mclk_freq;
818 priv->card.dapm_routes = NULL;
819 priv->card.num_dapm_routes = 0;
820 } else if (of_device_is_compatible(np, "fsl,imx-audio-nau8822")) {
821 codec_dai_name[0] = "nau8822-hifi";
822 priv->codec_priv[0].mclk_id = NAU8822_CLK_MCLK;
823 priv->codec_priv[0].fll_id = NAU8822_CLK_PLL;
824 priv->codec_priv[0].pll_id = NAU8822_CLK_PLL;
825 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
826 if (codec_dev[0])
827 priv->codec_priv[0].mclk = devm_clk_get(codec_dev[0], NULL);
828 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8904")) {
829 codec_dai_name[0] = "wm8904-hifi";
830 priv->codec_priv[0].mclk_id = WM8904_FLL_MCLK;
831 priv->codec_priv[0].fll_id = WM8904_CLK_FLL;
832 priv->codec_priv[0].pll_id = WM8904_FLL_MCLK;
833 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
834 } else if (of_device_is_compatible(np, "fsl,imx-audio-spdif")) {
835 ret = fsl_asoc_card_spdif_init(codec_np, cpu_np, codec_dai_name, priv);
836 if (ret)
837 goto asrc_fail;
838 } else {
839 dev_err(&pdev->dev, "unknown Device Tree compatible\n");
840 ret = -EINVAL;
841 goto asrc_fail;
842 }
843
844 /*
845 * Allow setting mclk-id from the device-tree node. Otherwise, the
846 * default value for each card configuration is used.
847 */
848 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
849 of_property_read_u32_index(np, "mclk-id", codec_idx,
850 &priv->codec_priv[codec_idx].mclk_id);
851 }
852
853 /* Format info from DT is optional. */
854 snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkprovider, &frameprovider);
855 if (bitclkprovider || frameprovider) {
856 unsigned int daifmt = snd_soc_daifmt_parse_format(np, NULL);
857 bool codec_bitclkprovider = false;
858 bool codec_frameprovider = false;
859
860 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
861 if (bitclkprovider && codec_np[codec_idx] == bitclkprovider)
862 codec_bitclkprovider = true;
863 if (frameprovider && codec_np[codec_idx] == frameprovider)
864 codec_frameprovider = true;
865 }
866
867 if (codec_bitclkprovider)
868 daifmt |= (codec_frameprovider) ?
869 SND_SOC_DAIFMT_CBP_CFP : SND_SOC_DAIFMT_CBP_CFC;
870 else
871 daifmt |= (codec_frameprovider) ?
872 SND_SOC_DAIFMT_CBC_CFP : SND_SOC_DAIFMT_CBC_CFC;
873
874 /* Override dai_fmt with value from DT */
875 priv->dai_fmt = daifmt;
876 }
877
878 /* Change direction according to format */
879 if (priv->dai_fmt & SND_SOC_DAIFMT_CBP_CFP) {
880 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN;
881 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN;
882 }
883
884 of_node_put(bitclkprovider);
885 of_node_put(frameprovider);
886
887 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev[0]
888 && codec_dai_name[0] != snd_soc_dummy_dlc.dai_name) {
889 dev_dbg(&pdev->dev, "failed to find codec device\n");
890 ret = -EPROBE_DEFER;
891 goto asrc_fail;
892 }
893
894 /* Common settings for corresponding Freescale CPU DAI driver */
895 if (of_node_name_eq(cpu_np, "ssi")) {
896 /* Only SSI needs to configure AUDMUX */
897 ret = fsl_asoc_card_audmux_init(np, priv);
898 if (ret) {
899 dev_err(&pdev->dev, "failed to init audmux\n");
900 goto asrc_fail;
901 }
902 } else if (of_node_name_eq(cpu_np, "esai")) {
903 struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal");
904
905 if (!IS_ERR(esai_clk)) {
906 priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk);
907 priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk);
908 clk_put(esai_clk);
909 } else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) {
910 ret = -EPROBE_DEFER;
911 goto asrc_fail;
912 }
913
914 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;
915 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;
916 } else if (of_node_name_eq(cpu_np, "sai")) {
917 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
918 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
919 }
920
921 /* Initialize sound card */
922 priv->card.dev = &pdev->dev;
923 priv->card.owner = THIS_MODULE;
924 ret = snd_soc_of_parse_card_name(&priv->card, "model");
925 if (ret) {
926 snprintf(priv->name, sizeof(priv->name), "%s-audio",
927 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name[0]);
928 priv->card.name = priv->name;
929 }
930 priv->card.dai_link = priv->dai_link;
931 priv->card.late_probe = fsl_asoc_card_late_probe;
932 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets;
933 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets);
934
935 /* Drop the second half of DAPM routes -- ASRC */
936 if (!asrc_pdev)
937 priv->card.num_dapm_routes /= 2;
938
939 if (of_property_read_bool(np, "audio-routing")) {
940 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
941 if (ret) {
942 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
943 goto asrc_fail;
944 }
945 }
946
947 /* Normal DAI Link */
948 priv->dai_link[0].cpus->of_node = cpu_np;
949 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
950 codec_comp->dai_name = codec_dai_name[codec_idx];
951 }
952
953 // Old SPDIF DT binding support
954 if (codec_dai_name[0] == snd_soc_dummy_dlc.dai_name)
955 priv->dai_link[0].codecs[0].name = snd_soc_dummy_dlc.name;
956
957 if (!fsl_asoc_card_is_ac97(priv)) {
958 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
959 codec_comp->of_node = codec_np[codec_idx];
960 }
961 } else {
962 u32 idx;
963
964 ret = of_property_read_u32(cpu_np, "cell-index", &idx);
965 if (ret) {
966 dev_err(&pdev->dev,
967 "cannot get CPU index property\n");
968 goto asrc_fail;
969 }
970
971 priv->dai_link[0].codecs[0].name =
972 devm_kasprintf(&pdev->dev, GFP_KERNEL,
973 "ac97-codec.%u",
974 (unsigned int)idx);
975 if (!priv->dai_link[0].codecs[0].name) {
976 ret = -ENOMEM;
977 goto asrc_fail;
978 }
979 }
980
981 priv->dai_link[0].platforms->of_node = cpu_np;
982 priv->dai_link[0].dai_fmt = priv->dai_fmt;
983 priv->card.num_links = 1;
984
985 if (asrc_pdev) {
986 /* DPCM DAI Links only if ASRC exists */
987 priv->dai_link[1].cpus->of_node = asrc_np;
988 priv->dai_link[1].platforms->of_node = asrc_np;
989 for_each_link_codecs((&(priv->dai_link[2])), codec_idx, codec_comp) {
990 codec_comp->dai_name = priv->dai_link[0].codecs[codec_idx].dai_name;
991 codec_comp->of_node = priv->dai_link[0].codecs[codec_idx].of_node;
992 codec_comp->name = priv->dai_link[0].codecs[codec_idx].name;
993 }
994 priv->dai_link[2].cpus->of_node = cpu_np;
995 priv->dai_link[2].dai_fmt = priv->dai_fmt;
996 priv->card.num_links = 3;
997
998 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
999 &priv->asrc_rate);
1000 if (ret) {
1001 dev_err(&pdev->dev, "failed to get output rate\n");
1002 ret = -EINVAL;
1003 goto asrc_fail;
1004 }
1005
1006 ret = of_property_read_u32(asrc_np, "fsl,asrc-format", &asrc_fmt);
1007 priv->asrc_format = (__force snd_pcm_format_t)asrc_fmt;
1008 if (ret) {
1009 /* Fallback to old binding; translate to asrc_format */
1010 ret = of_property_read_u32(asrc_np, "fsl,asrc-width",
1011 &width);
1012 if (ret) {
1013 dev_err(&pdev->dev,
1014 "failed to decide output format\n");
1015 goto asrc_fail;
1016 }
1017
1018 if (width == 24)
1019 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
1020 else
1021 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
1022 }
1023 }
1024
1025 /* Finish card registering */
1026 platform_set_drvdata(pdev, priv);
1027 snd_soc_card_set_drvdata(&priv->card, priv);
1028
1029 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
1030 if (ret) {
1031 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
1032 goto asrc_fail;
1033 }
1034
1035 /*
1036 * Properties "hp-det-gpio" and "mic-det-gpio" are optional, and
1037 * simple_util_init_jack() uses these properties for creating
1038 * Headphone Jack and Microphone Jack.
1039 *
1040 * The notifier is initialized in snd_soc_card_jack_new(), then
1041 * snd_soc_jack_notifier_register can be called.
1042 */
1043 if (of_property_read_bool(np, "hp-det-gpio")) {
1044 ret = simple_util_init_jack(&priv->card, &priv->hp_jack,
1045 1, NULL, "Headphone Jack");
1046 if (ret)
1047 goto asrc_fail;
1048
1049 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb);
1050 }
1051
1052 if (of_property_read_bool(np, "mic-det-gpio")) {
1053 ret = simple_util_init_jack(&priv->card, &priv->mic_jack,
1054 0, NULL, "Mic Jack");
1055 if (ret)
1056 goto asrc_fail;
1057
1058 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb);
1059 }
1060
1061 asrc_fail:
1062 of_node_put(asrc_np);
1063 of_node_put(codec_np[0]);
1064 of_node_put(codec_np[1]);
1065 put_device(&cpu_pdev->dev);
1066 fail:
1067 of_node_put(cpu_np);
1068
1069 return ret;
1070 }
1071
1072 static const struct of_device_id fsl_asoc_card_dt_ids[] = {
1073 { .compatible = "fsl,imx-audio-ac97", },
1074 { .compatible = "fsl,imx-audio-cs42888", },
1075 { .compatible = "fsl,imx-audio-cs427x", },
1076 { .compatible = "fsl,imx-audio-tlv320aic32x4", },
1077 { .compatible = "fsl,imx-audio-tlv320aic31xx", },
1078 { .compatible = "fsl,imx-audio-sgtl5000", },
1079 { .compatible = "fsl,imx-audio-wm8962", },
1080 { .compatible = "fsl,imx-audio-wm8960", },
1081 { .compatible = "fsl,imx-audio-mqs", },
1082 { .compatible = "fsl,imx-audio-wm8524", },
1083 { .compatible = "fsl,imx-audio-si476x", },
1084 { .compatible = "fsl,imx-audio-wm8958", },
1085 { .compatible = "fsl,imx-audio-nau8822", },
1086 { .compatible = "fsl,imx-audio-wm8904", },
1087 { .compatible = "fsl,imx-audio-spdif", },
1088 {}
1089 };
1090 MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);
1091
1092 static struct platform_driver fsl_asoc_card_driver = {
1093 .probe = fsl_asoc_card_probe,
1094 .driver = {
1095 .name = DRIVER_NAME,
1096 .pm = &snd_soc_pm_ops,
1097 .of_match_table = fsl_asoc_card_dt_ids,
1098 },
1099 };
1100 module_platform_driver(fsl_asoc_card_driver);
1101
1102 MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC");
1103 MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>");
1104 MODULE_ALIAS("platform:" DRIVER_NAME);
1105 MODULE_LICENSE("GPL");
1106