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 * @sysclk_ratio: SYSCLK ratio on sample rate
67 * @slot_width: Slot width of each frame
68 * @slot_num: Number of slots of each frame
69 *
70 * Note: [1] for tx and [0] for rx
71 */
72 struct cpu_priv {
73 unsigned long sysclk_freq[2];
74 u32 sysclk_dir[2];
75 u32 sysclk_id[2];
76 u32 sysclk_ratio[2];
77 u32 slot_width;
78 u32 slot_num;
79 };
80
81 /**
82 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data
83 * @dai_link: DAI link structure including normal one and DPCM link
84 * @hp_jack: Headphone Jack structure
85 * @mic_jack: Microphone Jack structure
86 * @pdev: platform device pointer
87 * @codec_priv: CODEC private data
88 * @cpu_priv: CPU private data
89 * @card: ASoC card structure
90 * @streams: Mask of current active streams
91 * @sample_rate: Current sample rate
92 * @sample_format: Current sample format
93 * @asrc_rate: ASRC sample rate used by Back-Ends
94 * @asrc_format: ASRC sample format used by Back-Ends
95 * @dai_fmt: DAI format between CPU and CODEC
96 * @name: Card name
97 */
98
99 struct fsl_asoc_card_priv {
100 struct snd_soc_dai_link dai_link[3];
101 struct simple_util_jack hp_jack;
102 struct simple_util_jack mic_jack;
103 struct platform_device *pdev;
104 struct codec_priv codec_priv[2];
105 struct cpu_priv cpu_priv;
106 struct snd_soc_card card;
107 u8 streams;
108 u32 sample_rate;
109 snd_pcm_format_t sample_format;
110 u32 asrc_rate;
111 snd_pcm_format_t asrc_format;
112 u32 dai_fmt;
113 char name[32];
114 };
115
116 /*
117 * This dapm route map exists for DPCM link only.
118 * The other routes shall go through Device Tree.
119 *
120 * Note: keep all ASRC routes in the second half
121 * to drop them easily for non-ASRC cases.
122 */
123 static const struct snd_soc_dapm_route audio_map[] = {
124 /* 1st half -- Normal DAPM routes */
125 {"Playback", NULL, "CPU-Playback"},
126 {"CPU-Capture", NULL, "Capture"},
127 /* 2nd half -- ASRC DAPM routes */
128 {"CPU-Playback", NULL, "ASRC-Playback"},
129 {"ASRC-Capture", NULL, "CPU-Capture"},
130 };
131
132 static const struct snd_soc_dapm_route audio_map_ac97[] = {
133 /* 1st half -- Normal DAPM routes */
134 {"AC97 Playback", NULL, "CPU AC97 Playback"},
135 {"CPU AC97 Capture", NULL, "AC97 Capture"},
136 /* 2nd half -- ASRC DAPM routes */
137 {"CPU AC97 Playback", NULL, "ASRC-Playback"},
138 {"ASRC-Capture", NULL, "CPU AC97 Capture"},
139 };
140
141 static const struct snd_soc_dapm_route audio_map_tx[] = {
142 /* 1st half -- Normal DAPM routes */
143 {"Playback", NULL, "CPU-Playback"},
144 /* 2nd half -- ASRC DAPM routes */
145 {"CPU-Playback", NULL, "ASRC-Playback"},
146 };
147
148 static const struct snd_soc_dapm_route audio_map_rx[] = {
149 /* 1st half -- Normal DAPM routes */
150 {"CPU-Capture", NULL, "Capture"},
151 /* 2nd half -- ASRC DAPM routes */
152 {"ASRC-Capture", NULL, "CPU-Capture"},
153 };
154
155 /* Add all possible widgets into here without being redundant */
156 static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = {
157 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
158 SND_SOC_DAPM_LINE("Line In Jack", NULL),
159 SND_SOC_DAPM_HP("Headphone Jack", NULL),
160 SND_SOC_DAPM_SPK("Ext Spk", NULL),
161 SND_SOC_DAPM_MIC("Mic Jack", NULL),
162 SND_SOC_DAPM_MIC("AMIC", NULL),
163 SND_SOC_DAPM_MIC("DMIC", NULL),
164 };
165
fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv * priv)166 static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv)
167 {
168 return priv->dai_fmt == SND_SOC_DAIFMT_AC97;
169 }
170
fsl_asoc_card_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)171 static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
172 struct snd_pcm_hw_params *params)
173 {
174 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
175 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
176 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
177 struct codec_priv *codec_priv;
178 struct snd_soc_dai *codec_dai;
179 struct cpu_priv *cpu_priv = &priv->cpu_priv;
180 struct device *dev = rtd->card->dev;
181 unsigned int pll_out, sysclk_freq;
182 int codec_idx;
183 int ret;
184
185 priv->sample_rate = params_rate(params);
186 priv->sample_format = params_format(params);
187 priv->streams |= BIT(substream->stream);
188
189 if (fsl_asoc_card_is_ac97(priv))
190 return 0;
191
192 if (!cpu_priv->sysclk_freq[tx] && cpu_priv->sysclk_ratio[tx])
193 sysclk_freq = priv->sample_rate * cpu_priv->sysclk_ratio[tx];
194 else
195 sysclk_freq = cpu_priv->sysclk_freq[tx];
196
197 /* Specific configurations of DAIs starts from here */
198 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), cpu_priv->sysclk_id[tx],
199 sysclk_freq,
200 cpu_priv->sysclk_dir[tx]);
201 if (ret && ret != -ENOTSUPP) {
202 dev_err(dev, "failed to set sysclk for cpu dai\n");
203 goto fail;
204 }
205
206 if (cpu_priv->slot_width) {
207 if (!cpu_priv->slot_num)
208 cpu_priv->slot_num = 2;
209
210 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3,
211 cpu_priv->slot_num,
212 cpu_priv->slot_width);
213 if (ret && ret != -ENOTSUPP) {
214 dev_err(dev, "failed to set TDM slot for cpu dai\n");
215 goto fail;
216 }
217 }
218
219 /* Specific configuration for PLL */
220 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
221 codec_priv = &priv->codec_priv[codec_idx];
222
223 if (codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) {
224 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
225 pll_out = priv->sample_rate * 384;
226 else
227 pll_out = priv->sample_rate * 256;
228
229 ret = snd_soc_dai_set_pll(codec_dai,
230 codec_priv->pll_id,
231 codec_priv->mclk_id,
232 codec_priv->mclk_freq, pll_out);
233 if (ret) {
234 dev_err(dev, "failed to start FLL: %d\n", ret);
235 goto fail;
236 }
237
238 ret = snd_soc_dai_set_sysclk(codec_dai,
239 codec_priv->fll_id,
240 pll_out, SND_SOC_CLOCK_IN);
241
242 if (ret && ret != -ENOTSUPP) {
243 dev_err(dev, "failed to set SYSCLK: %d\n", ret);
244 goto fail;
245 }
246 }
247 }
248
249 return 0;
250
251 fail:
252 priv->streams &= ~BIT(substream->stream);
253 return ret;
254 }
255
fsl_asoc_card_hw_free(struct snd_pcm_substream * substream)256 static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
257 {
258 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
259 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
260 struct codec_priv *codec_priv;
261 struct snd_soc_dai *codec_dai;
262 struct device *dev = rtd->card->dev;
263 int codec_idx;
264 int ret;
265
266 priv->streams &= ~BIT(substream->stream);
267
268 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
269 codec_priv = &priv->codec_priv[codec_idx];
270
271 if (!priv->streams && codec_priv->pll_id >= 0 && codec_priv->fll_id >= 0) {
272 /* Force freq to be free_freq to avoid error message in codec */
273 ret = snd_soc_dai_set_sysclk(codec_dai,
274 codec_priv->mclk_id,
275 codec_priv->free_freq,
276 SND_SOC_CLOCK_IN);
277 if (ret) {
278 dev_err(dev, "failed to switch away from FLL: %d\n", ret);
279 return ret;
280 }
281
282 ret = snd_soc_dai_set_pll(codec_dai,
283 codec_priv->pll_id, 0, 0, 0);
284 if (ret && ret != -ENOTSUPP) {
285 dev_err(dev, "failed to stop FLL: %d\n", ret);
286 return ret;
287 }
288 }
289 }
290
291 return 0;
292 }
293
294 static const struct snd_soc_ops fsl_asoc_card_ops = {
295 .hw_params = fsl_asoc_card_hw_params,
296 .hw_free = fsl_asoc_card_hw_free,
297 };
298
be_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)299 static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
300 struct snd_pcm_hw_params *params)
301 {
302 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
303 struct snd_interval *rate;
304 struct snd_mask *mask;
305
306 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
307 rate->max = rate->min = priv->asrc_rate;
308
309 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
310 snd_mask_none(mask);
311 snd_mask_set_format(mask, priv->asrc_format);
312
313 return 0;
314 }
315
316 static const struct snd_soc_dai_link fsl_asoc_card_dai[] = {
317 /* Default ASoC DAI Link*/
318 {
319 .name = "HiFi",
320 .stream_name = "HiFi",
321 .ops = &fsl_asoc_card_ops,
322 },
323 /* DPCM Link between Front-End and Back-End (Optional) */
324 {
325 .name = "HiFi-ASRC-FE",
326 .stream_name = "HiFi-ASRC-FE",
327 .dynamic = 1,
328 },
329 {
330 .name = "HiFi-ASRC-BE",
331 .stream_name = "HiFi-ASRC-BE",
332 .be_hw_params_fixup = be_hw_params_fixup,
333 .ops = &fsl_asoc_card_ops,
334 .no_pcm = 1,
335 },
336 };
337
fsl_asoc_card_audmux_init(struct device_node * np,struct fsl_asoc_card_priv * priv)338 static int fsl_asoc_card_audmux_init(struct device_node *np,
339 struct fsl_asoc_card_priv *priv)
340 {
341 struct device *dev = &priv->pdev->dev;
342 u32 int_ptcr = 0, ext_ptcr = 0;
343 int int_port, ext_port;
344 int ret;
345
346 ret = of_property_read_u32(np, "mux-int-port", &int_port);
347 if (ret) {
348 dev_err(dev, "mux-int-port missing or invalid\n");
349 return ret;
350 }
351 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
352 if (ret) {
353 dev_err(dev, "mux-ext-port missing or invalid\n");
354 return ret;
355 }
356
357 /*
358 * The port numbering in the hardware manual starts at 1, while
359 * the AUDMUX API expects it starts at 0.
360 */
361 int_port--;
362 ext_port--;
363
364 /*
365 * Use asynchronous mode (6 wires) for all cases except AC97.
366 * If only 4 wires are needed, just set SSI into
367 * synchronous mode and enable 4 PADs in IOMUX.
368 */
369 switch (priv->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
370 case SND_SOC_DAIFMT_CBP_CFP:
371 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
372 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
373 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
374 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
375 IMX_AUDMUX_V2_PTCR_RFSDIR |
376 IMX_AUDMUX_V2_PTCR_RCLKDIR |
377 IMX_AUDMUX_V2_PTCR_TFSDIR |
378 IMX_AUDMUX_V2_PTCR_TCLKDIR;
379 break;
380 case SND_SOC_DAIFMT_CBP_CFC:
381 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
382 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
383 IMX_AUDMUX_V2_PTCR_RCLKDIR |
384 IMX_AUDMUX_V2_PTCR_TCLKDIR;
385 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
386 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
387 IMX_AUDMUX_V2_PTCR_RFSDIR |
388 IMX_AUDMUX_V2_PTCR_TFSDIR;
389 break;
390 case SND_SOC_DAIFMT_CBC_CFP:
391 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
392 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
393 IMX_AUDMUX_V2_PTCR_RFSDIR |
394 IMX_AUDMUX_V2_PTCR_TFSDIR;
395 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
396 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
397 IMX_AUDMUX_V2_PTCR_RCLKDIR |
398 IMX_AUDMUX_V2_PTCR_TCLKDIR;
399 break;
400 case SND_SOC_DAIFMT_CBC_CFC:
401 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
402 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
403 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
404 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
405 IMX_AUDMUX_V2_PTCR_RFSDIR |
406 IMX_AUDMUX_V2_PTCR_RCLKDIR |
407 IMX_AUDMUX_V2_PTCR_TFSDIR |
408 IMX_AUDMUX_V2_PTCR_TCLKDIR;
409 break;
410 default:
411 if (!fsl_asoc_card_is_ac97(priv))
412 return -EINVAL;
413 }
414
415 if (fsl_asoc_card_is_ac97(priv)) {
416 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
417 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
418 IMX_AUDMUX_V2_PTCR_TCLKDIR;
419 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
420 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
421 IMX_AUDMUX_V2_PTCR_TFSDIR;
422 }
423
424 /* Asynchronous mode can not be set along with RCLKDIR */
425 if (!fsl_asoc_card_is_ac97(priv)) {
426 unsigned int pdcr =
427 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port);
428
429 ret = imx_audmux_v2_configure_port(int_port, 0,
430 pdcr);
431 if (ret) {
432 dev_err(dev, "audmux internal port setup failed\n");
433 return ret;
434 }
435 }
436
437 ret = imx_audmux_v2_configure_port(int_port, int_ptcr,
438 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
439 if (ret) {
440 dev_err(dev, "audmux internal port setup failed\n");
441 return ret;
442 }
443
444 if (!fsl_asoc_card_is_ac97(priv)) {
445 unsigned int pdcr =
446 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port);
447
448 ret = imx_audmux_v2_configure_port(ext_port, 0,
449 pdcr);
450 if (ret) {
451 dev_err(dev, "audmux external port setup failed\n");
452 return ret;
453 }
454 }
455
456 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr,
457 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
458 if (ret) {
459 dev_err(dev, "audmux external port setup failed\n");
460 return ret;
461 }
462
463 return 0;
464 }
465
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)466 static int fsl_asoc_card_spdif_init(struct device_node *codec_np[],
467 struct device_node *cpu_np,
468 const char *codec_dai_name[],
469 struct fsl_asoc_card_priv *priv)
470 {
471 struct device *dev = &priv->pdev->dev;
472 struct device_node *np = dev->of_node;
473
474 if (!of_node_name_eq(cpu_np, "spdif")) {
475 dev_err(dev, "CPU phandle invalid, should be an SPDIF device\n");
476 return -EINVAL;
477 }
478
479 priv->dai_link[0].playback_only = true;
480 priv->dai_link[0].capture_only = true;
481
482 for (int i = 0; i < 2; i++) {
483 if (!codec_np[i])
484 break;
485
486 if (of_device_is_compatible(codec_np[i], "linux,spdif-dit")) {
487 priv->dai_link[0].capture_only = false;
488 codec_dai_name[i] = "dit-hifi";
489 } else if (of_device_is_compatible(codec_np[i], "linux,spdif-dir")) {
490 priv->dai_link[0].playback_only = false;
491 codec_dai_name[i] = "dir-hifi";
492 }
493 }
494
495 // Old SPDIF DT binding
496 if (!codec_np[0]) {
497 codec_dai_name[0] = snd_soc_dummy_dlc.dai_name;
498 if (of_property_read_bool(np, "spdif-out"))
499 priv->dai_link[0].capture_only = false;
500 if (of_property_read_bool(np, "spdif-in"))
501 priv->dai_link[0].playback_only = false;
502 }
503
504 if (priv->dai_link[0].playback_only && priv->dai_link[0].capture_only) {
505 dev_err(dev, "no enabled S/PDIF DAI link\n");
506 return -EINVAL;
507 }
508
509 if (priv->dai_link[0].playback_only) {
510 priv->dai_link[1].playback_only = true;
511 priv->dai_link[2].playback_only = true;
512 priv->card.dapm_routes = audio_map_tx;
513 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
514 } else if (priv->dai_link[0].capture_only) {
515 priv->dai_link[1].capture_only = true;
516 priv->dai_link[2].capture_only = true;
517 priv->card.dapm_routes = audio_map_rx;
518 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx);
519 }
520
521 // No DAPM routes with old bindings and dummy codec
522 if (!codec_np[0]) {
523 priv->card.dapm_routes = NULL;
524 priv->card.num_dapm_routes = 0;
525 }
526
527 if (codec_np[0] && codec_np[1]) {
528 priv->dai_link[0].num_codecs = 2;
529 priv->dai_link[2].num_codecs = 2;
530 }
531
532 return 0;
533 }
534
hp_jack_event(struct notifier_block * nb,unsigned long event,void * data)535 static int hp_jack_event(struct notifier_block *nb, unsigned long event,
536 void *data)
537 {
538 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
539 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
540
541 if (event & SND_JACK_HEADPHONE)
542 /* Disable speaker if headphone is plugged in */
543 return snd_soc_dapm_disable_pin(dapm, "Ext Spk");
544 else
545 return snd_soc_dapm_enable_pin(dapm, "Ext Spk");
546 }
547
548 static struct notifier_block hp_jack_nb = {
549 .notifier_call = hp_jack_event,
550 };
551
mic_jack_event(struct notifier_block * nb,unsigned long event,void * data)552 static int mic_jack_event(struct notifier_block *nb, unsigned long event,
553 void *data)
554 {
555 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
556 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
557
558 if (event & SND_JACK_MICROPHONE)
559 /* Disable dmic if microphone is plugged in */
560 return snd_soc_dapm_disable_pin(dapm, "DMIC");
561 else
562 return snd_soc_dapm_enable_pin(dapm, "DMIC");
563 }
564
565 static struct notifier_block mic_jack_nb = {
566 .notifier_call = mic_jack_event,
567 };
568
fsl_asoc_card_late_probe(struct snd_soc_card * card)569 static int fsl_asoc_card_late_probe(struct snd_soc_card *card)
570 {
571 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
572 struct snd_soc_pcm_runtime *rtd = list_first_entry(
573 &card->rtd_list, struct snd_soc_pcm_runtime, list);
574 struct snd_soc_dai *codec_dai;
575 struct codec_priv *codec_priv;
576 struct device *dev = card->dev;
577 int codec_idx;
578 int ret;
579
580 if (fsl_asoc_card_is_ac97(priv)) {
581 #if IS_ENABLED(CONFIG_SND_AC97_CODEC)
582 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
583 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
584
585 /*
586 * Use slots 3/4 for S/PDIF so SSI won't try to enable
587 * other slots and send some samples there
588 * due to SLOTREQ bits for S/PDIF received from codec
589 */
590 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
591 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4);
592 #endif
593
594 return 0;
595 }
596
597 for_each_rtd_codec_dais(rtd, codec_idx, codec_dai) {
598 codec_priv = &priv->codec_priv[codec_idx];
599
600 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
601 codec_priv->mclk_freq, SND_SOC_CLOCK_IN);
602 if (ret && ret != -ENOTSUPP) {
603 dev_err(dev, "failed to set sysclk in %s\n", __func__);
604 return ret;
605 }
606
607 if (!IS_ERR_OR_NULL(codec_priv->mclk))
608 clk_prepare_enable(codec_priv->mclk);
609 }
610
611 return 0;
612 }
613
fsl_asoc_card_probe(struct platform_device * pdev)614 static int fsl_asoc_card_probe(struct platform_device *pdev)
615 {
616 struct device_node *cpu_np, *asrc_np;
617 struct snd_soc_dai_link_component *codec_comp;
618 struct device_node *codec_np[2];
619 struct device_node *np = pdev->dev.of_node;
620 struct platform_device *asrc_pdev = NULL;
621 struct device_node *bitclkprovider = NULL;
622 struct device_node *frameprovider = NULL;
623 struct platform_device *cpu_pdev;
624 struct fsl_asoc_card_priv *priv;
625 struct device *codec_dev[2] = { NULL, NULL };
626 struct snd_soc_dai_link_component *dlc;
627 const char *codec_dai_name[2];
628 const char *codec_dev_name[2];
629 u32 asrc_fmt = 0;
630 int codec_idx;
631 u32 width;
632 int ret;
633
634 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
635 if (!priv)
636 return -ENOMEM;
637
638 priv->pdev = pdev;
639
640 cpu_np = of_parse_phandle(np, "audio-cpu", 0);
641 /* Give a chance to old DT bindings */
642 if (!cpu_np)
643 cpu_np = of_parse_phandle(np, "ssi-controller", 0);
644 if (!cpu_np)
645 cpu_np = of_parse_phandle(np, "spdif-controller", 0);
646 if (!cpu_np) {
647 dev_err(&pdev->dev, "CPU phandle missing or invalid\n");
648 ret = -EINVAL;
649 goto fail;
650 }
651
652 cpu_pdev = of_find_device_by_node(cpu_np);
653 if (!cpu_pdev) {
654 dev_err(&pdev->dev, "failed to find CPU DAI device\n");
655 ret = -EINVAL;
656 goto fail;
657 }
658
659 codec_np[0] = of_parse_phandle(np, "audio-codec", 0);
660 codec_np[1] = of_parse_phandle(np, "audio-codec", 1);
661
662 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
663 if (codec_np[codec_idx]) {
664 struct platform_device *codec_pdev;
665 struct i2c_client *codec_i2c;
666
667 codec_i2c = of_find_i2c_device_by_node(codec_np[codec_idx]);
668 if (codec_i2c) {
669 codec_dev[codec_idx] = &codec_i2c->dev;
670 codec_dev_name[codec_idx] = codec_i2c->name;
671 }
672 if (!codec_dev[codec_idx]) {
673 codec_pdev = of_find_device_by_node(codec_np[codec_idx]);
674 if (codec_pdev) {
675 codec_dev[codec_idx] = &codec_pdev->dev;
676 codec_dev_name[codec_idx] = codec_pdev->name;
677 }
678 }
679 }
680 }
681
682 asrc_np = of_parse_phandle(np, "audio-asrc", 0);
683 if (asrc_np)
684 asrc_pdev = of_find_device_by_node(asrc_np);
685
686 /* Get the MCLK rate only, and leave it controlled by CODEC drivers */
687 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
688 if (codec_dev[codec_idx]) {
689 struct clk *codec_clk = clk_get(codec_dev[codec_idx], NULL);
690
691 if (!IS_ERR(codec_clk)) {
692 priv->codec_priv[codec_idx].mclk_freq = clk_get_rate(codec_clk);
693 clk_put(codec_clk);
694 }
695 }
696 }
697
698 /* Default sample rate and format, will be updated in hw_params() */
699 priv->sample_rate = 44100;
700 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
701
702 /* Assign a default DAI format, and allow each card to overwrite it */
703 priv->dai_fmt = DAI_FMT_BASE;
704
705 memcpy(priv->dai_link, fsl_asoc_card_dai,
706 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link));
707 /*
708 * "Default ASoC DAI Link": 1 cpus, 2 codecs, 1 platforms
709 * "DPCM Link Front-End": 1 cpus, 1 codecs (dummy), 1 platforms
710 * "DPCM Link Back-End": 1 cpus, 2 codecs
711 * totally 10 components
712 */
713 dlc = devm_kcalloc(&pdev->dev, 10, sizeof(*dlc), GFP_KERNEL);
714 if (!dlc) {
715 ret = -ENOMEM;
716 goto asrc_fail;
717 }
718
719 priv->dai_link[0].cpus = &dlc[0];
720 priv->dai_link[0].num_cpus = 1;
721 priv->dai_link[0].codecs = &dlc[1];
722 priv->dai_link[0].num_codecs = 1;
723 priv->dai_link[0].platforms = &dlc[3];
724 priv->dai_link[0].num_platforms = 1;
725
726 priv->dai_link[1].cpus = &dlc[4];
727 priv->dai_link[1].num_cpus = 1;
728 priv->dai_link[1].codecs = &dlc[5];
729 priv->dai_link[1].num_codecs = 0; /* dummy */
730 priv->dai_link[1].platforms = &dlc[6];
731 priv->dai_link[1].num_platforms = 1;
732
733 priv->dai_link[2].cpus = &dlc[7];
734 priv->dai_link[2].num_cpus = 1;
735 priv->dai_link[2].codecs = &dlc[8];
736 priv->dai_link[2].num_codecs = 1;
737
738 priv->card.dapm_routes = audio_map;
739 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map);
740 priv->card.driver_name = DRIVER_NAME;
741
742 for (codec_idx = 0; codec_idx < 2; codec_idx++) {
743 priv->codec_priv[codec_idx].fll_id = -1;
744 priv->codec_priv[codec_idx].pll_id = -1;
745 }
746
747 /* Diversify the card configurations */
748 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) {
749 codec_dai_name[0] = "cs42888";
750 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv[0].mclk_freq;
751 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv[0].mclk_freq;
752 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
753 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
754 priv->cpu_priv.slot_width = 32;
755 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
756 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) {
757 codec_dai_name[0] = "cs4271-hifi";
758 priv->codec_priv[0].mclk_id = CS427x_SYSCLK_MCLK;
759 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
760 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
761 codec_dai_name[0] = "sgtl5000";
762 priv->codec_priv[0].mclk_id = SGTL5000_SYSCLK;
763 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
764 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) {
765 codec_dai_name[0] = "tlv320aic32x4-hifi";
766 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
767 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic31xx")) {
768 codec_dai_name[0] = "tlv320dac31xx-hifi";
769 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
770 priv->dai_link[1].playback_only = 1;
771 priv->dai_link[2].playback_only = 1;
772 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
773 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
774 priv->card.dapm_routes = audio_map_tx;
775 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
776 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) {
777 codec_dai_name[0] = "wm8962";
778 priv->codec_priv[0].mclk_id = WM8962_SYSCLK_MCLK;
779 priv->codec_priv[0].fll_id = WM8962_SYSCLK_FLL;
780 priv->codec_priv[0].pll_id = WM8962_FLL;
781 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
782 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) {
783 codec_dai_name[0] = "wm8960-hifi";
784 priv->codec_priv[0].fll_id = WM8960_SYSCLK_AUTO;
785 priv->codec_priv[0].pll_id = WM8960_SYSCLK_AUTO;
786 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
787 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) {
788 codec_dai_name[0] = "ac97-hifi";
789 priv->dai_fmt = SND_SOC_DAIFMT_AC97;
790 priv->card.dapm_routes = audio_map_ac97;
791 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97);
792 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) {
793 codec_dai_name[0] = "fsl-mqs-dai";
794 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J |
795 SND_SOC_DAIFMT_CBC_CFC |
796 SND_SOC_DAIFMT_NB_NF;
797 priv->dai_link[1].playback_only = 1;
798 priv->dai_link[2].playback_only = 1;
799 priv->card.dapm_routes = audio_map_tx;
800 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
801 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) {
802 codec_dai_name[0] = "wm8524-hifi";
803 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
804 priv->dai_link[1].playback_only = 1;
805 priv->dai_link[2].playback_only = 1;
806 priv->cpu_priv.slot_width = 32;
807 priv->card.dapm_routes = audio_map_tx;
808 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
809 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
810 priv->cpu_priv.sysclk_ratio[TX] = 256;
811 } else if (of_device_is_compatible(np, "fsl,imx-audio-si476x")) {
812 codec_dai_name[0] = "si476x-codec";
813 priv->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
814 priv->card.dapm_routes = audio_map_rx;
815 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx);
816 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8958")) {
817 codec_dai_name[0] = "wm8994-aif1";
818 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
819 priv->codec_priv[0].mclk_id = WM8994_FLL_SRC_MCLK1;
820 priv->codec_priv[0].fll_id = WM8994_SYSCLK_FLL1;
821 priv->codec_priv[0].pll_id = WM8994_FLL1;
822 priv->codec_priv[0].free_freq = priv->codec_priv[0].mclk_freq;
823 priv->card.dapm_routes = NULL;
824 priv->card.num_dapm_routes = 0;
825 } else if (of_device_is_compatible(np, "fsl,imx-audio-nau8822")) {
826 codec_dai_name[0] = "nau8822-hifi";
827 priv->codec_priv[0].mclk_id = NAU8822_CLK_MCLK;
828 priv->codec_priv[0].fll_id = NAU8822_CLK_PLL;
829 priv->codec_priv[0].pll_id = NAU8822_CLK_PLL;
830 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
831 if (codec_dev[0])
832 priv->codec_priv[0].mclk = devm_clk_get(codec_dev[0], NULL);
833 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8904")) {
834 codec_dai_name[0] = "wm8904-hifi";
835 priv->codec_priv[0].mclk_id = WM8904_FLL_MCLK;
836 priv->codec_priv[0].fll_id = WM8904_CLK_FLL;
837 priv->codec_priv[0].pll_id = WM8904_FLL_MCLK;
838 priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
839 } else if (of_device_is_compatible(np, "fsl,imx-audio-spdif")) {
840 ret = fsl_asoc_card_spdif_init(codec_np, cpu_np, codec_dai_name, priv);
841 if (ret)
842 goto asrc_fail;
843 } else {
844 dev_err(&pdev->dev, "unknown Device Tree compatible\n");
845 ret = -EINVAL;
846 goto asrc_fail;
847 }
848
849 /*
850 * Allow setting mclk-id from the device-tree node. Otherwise, the
851 * default value for each card configuration is used.
852 */
853 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
854 of_property_read_u32_index(np, "mclk-id", codec_idx,
855 &priv->codec_priv[codec_idx].mclk_id);
856 }
857
858 /* Format info from DT is optional. */
859 snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkprovider, &frameprovider);
860 if (bitclkprovider || frameprovider) {
861 unsigned int daifmt = snd_soc_daifmt_parse_format(np, NULL);
862 bool codec_bitclkprovider = false;
863 bool codec_frameprovider = false;
864
865 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
866 if (bitclkprovider && codec_np[codec_idx] == bitclkprovider)
867 codec_bitclkprovider = true;
868 if (frameprovider && codec_np[codec_idx] == frameprovider)
869 codec_frameprovider = true;
870 }
871
872 if (codec_bitclkprovider)
873 daifmt |= (codec_frameprovider) ?
874 SND_SOC_DAIFMT_CBP_CFP : SND_SOC_DAIFMT_CBP_CFC;
875 else
876 daifmt |= (codec_frameprovider) ?
877 SND_SOC_DAIFMT_CBC_CFP : SND_SOC_DAIFMT_CBC_CFC;
878
879 /* Override dai_fmt with value from DT */
880 priv->dai_fmt = daifmt;
881 }
882
883 /* Change direction according to format */
884 if (priv->dai_fmt & SND_SOC_DAIFMT_CBP_CFP) {
885 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN;
886 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN;
887 }
888
889 of_node_put(bitclkprovider);
890 of_node_put(frameprovider);
891
892 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev[0]
893 && codec_dai_name[0] != snd_soc_dummy_dlc.dai_name) {
894 dev_dbg(&pdev->dev, "failed to find codec device\n");
895 ret = -EPROBE_DEFER;
896 goto asrc_fail;
897 }
898
899 /* Common settings for corresponding Freescale CPU DAI driver */
900 if (of_node_name_eq(cpu_np, "ssi")) {
901 /* Only SSI needs to configure AUDMUX */
902 ret = fsl_asoc_card_audmux_init(np, priv);
903 if (ret) {
904 dev_err(&pdev->dev, "failed to init audmux\n");
905 goto asrc_fail;
906 }
907 } else if (of_node_name_eq(cpu_np, "esai")) {
908 struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal");
909
910 if (!IS_ERR(esai_clk)) {
911 priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk);
912 priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk);
913 clk_put(esai_clk);
914 } else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) {
915 ret = -EPROBE_DEFER;
916 goto asrc_fail;
917 }
918
919 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;
920 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;
921 } else if (of_node_name_eq(cpu_np, "sai")) {
922 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
923 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
924 }
925
926 /* Initialize sound card */
927 priv->card.dev = &pdev->dev;
928 priv->card.owner = THIS_MODULE;
929 ret = snd_soc_of_parse_card_name(&priv->card, "model");
930 if (ret) {
931 snprintf(priv->name, sizeof(priv->name), "%s-audio",
932 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name[0]);
933 priv->card.name = priv->name;
934 }
935 priv->card.dai_link = priv->dai_link;
936 priv->card.late_probe = fsl_asoc_card_late_probe;
937 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets;
938 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets);
939
940 /* Drop the second half of DAPM routes -- ASRC */
941 if (!asrc_pdev)
942 priv->card.num_dapm_routes /= 2;
943
944 if (of_property_present(np, "audio-routing")) {
945 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
946 if (ret) {
947 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
948 goto asrc_fail;
949 }
950 }
951
952 /* Normal DAI Link */
953 priv->dai_link[0].cpus->of_node = cpu_np;
954 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
955 codec_comp->dai_name = codec_dai_name[codec_idx];
956 }
957
958 // Old SPDIF DT binding support
959 if (codec_dai_name[0] == snd_soc_dummy_dlc.dai_name)
960 priv->dai_link[0].codecs[0].name = snd_soc_dummy_dlc.name;
961
962 if (!fsl_asoc_card_is_ac97(priv)) {
963 for_each_link_codecs((&(priv->dai_link[0])), codec_idx, codec_comp) {
964 codec_comp->of_node = codec_np[codec_idx];
965 }
966 } else {
967 u32 idx;
968
969 ret = of_property_read_u32(cpu_np, "cell-index", &idx);
970 if (ret) {
971 dev_err(&pdev->dev,
972 "cannot get CPU index property\n");
973 goto asrc_fail;
974 }
975
976 priv->dai_link[0].codecs[0].name =
977 devm_kasprintf(&pdev->dev, GFP_KERNEL,
978 "ac97-codec.%u",
979 (unsigned int)idx);
980 if (!priv->dai_link[0].codecs[0].name) {
981 ret = -ENOMEM;
982 goto asrc_fail;
983 }
984 }
985
986 priv->dai_link[0].platforms->of_node = cpu_np;
987 priv->dai_link[0].dai_fmt = priv->dai_fmt;
988 priv->card.num_links = 1;
989
990 if (asrc_pdev) {
991 /* DPCM DAI Links only if ASRC exists */
992 priv->dai_link[1].cpus->of_node = asrc_np;
993 priv->dai_link[1].platforms->of_node = asrc_np;
994 for_each_link_codecs((&(priv->dai_link[2])), codec_idx, codec_comp) {
995 codec_comp->dai_name = priv->dai_link[0].codecs[codec_idx].dai_name;
996 codec_comp->of_node = priv->dai_link[0].codecs[codec_idx].of_node;
997 codec_comp->name = priv->dai_link[0].codecs[codec_idx].name;
998 }
999 priv->dai_link[2].cpus->of_node = cpu_np;
1000 priv->dai_link[2].dai_fmt = priv->dai_fmt;
1001 priv->card.num_links = 3;
1002
1003 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
1004 &priv->asrc_rate);
1005 if (ret) {
1006 dev_err(&pdev->dev, "failed to get output rate\n");
1007 ret = -EINVAL;
1008 goto asrc_fail;
1009 }
1010
1011 ret = of_property_read_u32(asrc_np, "fsl,asrc-format", &asrc_fmt);
1012 priv->asrc_format = (__force snd_pcm_format_t)asrc_fmt;
1013 if (ret) {
1014 /* Fallback to old binding; translate to asrc_format */
1015 ret = of_property_read_u32(asrc_np, "fsl,asrc-width",
1016 &width);
1017 if (ret) {
1018 dev_err(&pdev->dev,
1019 "failed to decide output format\n");
1020 goto asrc_fail;
1021 }
1022
1023 if (width == 24)
1024 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
1025 else
1026 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
1027 }
1028 }
1029
1030 /* Finish card registering */
1031 platform_set_drvdata(pdev, priv);
1032 snd_soc_card_set_drvdata(&priv->card, priv);
1033
1034 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
1035 if (ret) {
1036 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
1037 goto asrc_fail;
1038 }
1039
1040 /*
1041 * Properties "hp-det-gpios" and "mic-det-gpios" are optional, and
1042 * simple_util_init_jack() uses these properties for creating
1043 * Headphone Jack and Microphone Jack.
1044 *
1045 * The notifier is initialized in snd_soc_card_jack_new(), then
1046 * snd_soc_jack_notifier_register can be called.
1047 */
1048 if (of_property_read_bool(np, "hp-det-gpios") ||
1049 of_property_read_bool(np, "hp-det-gpio") /* deprecated */) {
1050 ret = simple_util_init_jack(&priv->card, &priv->hp_jack,
1051 1, NULL, "Headphone Jack");
1052 if (ret)
1053 goto asrc_fail;
1054
1055 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb);
1056 }
1057
1058 if (of_property_read_bool(np, "mic-det-gpios") ||
1059 of_property_read_bool(np, "mic-det-gpio") /* deprecated */) {
1060 ret = simple_util_init_jack(&priv->card, &priv->mic_jack,
1061 0, NULL, "Mic Jack");
1062 if (ret)
1063 goto asrc_fail;
1064
1065 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb);
1066 }
1067
1068 asrc_fail:
1069 of_node_put(asrc_np);
1070 of_node_put(codec_np[0]);
1071 of_node_put(codec_np[1]);
1072 put_device(&cpu_pdev->dev);
1073 fail:
1074 of_node_put(cpu_np);
1075
1076 return ret;
1077 }
1078
1079 static const struct of_device_id fsl_asoc_card_dt_ids[] = {
1080 { .compatible = "fsl,imx-audio-ac97", },
1081 { .compatible = "fsl,imx-audio-cs42888", },
1082 { .compatible = "fsl,imx-audio-cs427x", },
1083 { .compatible = "fsl,imx-audio-tlv320aic32x4", },
1084 { .compatible = "fsl,imx-audio-tlv320aic31xx", },
1085 { .compatible = "fsl,imx-audio-sgtl5000", },
1086 { .compatible = "fsl,imx-audio-wm8962", },
1087 { .compatible = "fsl,imx-audio-wm8960", },
1088 { .compatible = "fsl,imx-audio-mqs", },
1089 { .compatible = "fsl,imx-audio-wm8524", },
1090 { .compatible = "fsl,imx-audio-si476x", },
1091 { .compatible = "fsl,imx-audio-wm8958", },
1092 { .compatible = "fsl,imx-audio-nau8822", },
1093 { .compatible = "fsl,imx-audio-wm8904", },
1094 { .compatible = "fsl,imx-audio-spdif", },
1095 {}
1096 };
1097 MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);
1098
1099 static struct platform_driver fsl_asoc_card_driver = {
1100 .probe = fsl_asoc_card_probe,
1101 .driver = {
1102 .name = DRIVER_NAME,
1103 .pm = &snd_soc_pm_ops,
1104 .of_match_table = fsl_asoc_card_dt_ids,
1105 },
1106 };
1107 module_platform_driver(fsl_asoc_card_driver);
1108
1109 MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC");
1110 MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>");
1111 MODULE_ALIAS("platform:" DRIVER_NAME);
1112 MODULE_LICENSE("GPL");
1113