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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
30#define CS427x_SYSCLK_MCLK 0
31
32#define RX 0
33#define TX 1
34
35
36#define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF)
37
38
39
40
41
42
43
44
45
46struct codec_priv {
47 unsigned long mclk_freq;
48 unsigned long free_freq;
49 u32 mclk_id;
50 u32 fll_id;
51 u32 pll_id;
52};
53
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56
57
58
59
60
61
62
63struct cpu_priv {
64 unsigned long sysclk_freq[2];
65 u32 sysclk_dir[2];
66 u32 sysclk_id[2];
67 u32 slot_width;
68};
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87
88struct fsl_asoc_card_priv {
89 struct snd_soc_dai_link dai_link[3];
90 struct asoc_simple_jack hp_jack;
91 struct asoc_simple_jack mic_jack;
92 struct platform_device *pdev;
93 struct codec_priv codec_priv;
94 struct cpu_priv cpu_priv;
95 struct snd_soc_card card;
96 u8 streams;
97 u32 sample_rate;
98 snd_pcm_format_t sample_format;
99 u32 asrc_rate;
100 snd_pcm_format_t asrc_format;
101 u32 dai_fmt;
102 char name[32];
103};
104
105
106
107
108
109
110
111
112static const struct snd_soc_dapm_route audio_map[] = {
113
114 {"Playback", NULL, "CPU-Playback"},
115 {"CPU-Capture", NULL, "Capture"},
116
117 {"CPU-Playback", NULL, "ASRC-Playback"},
118 {"ASRC-Capture", NULL, "CPU-Capture"},
119};
120
121static const struct snd_soc_dapm_route audio_map_ac97[] = {
122
123 {"Playback", NULL, "AC97 Playback"},
124 {"AC97 Capture", NULL, "Capture"},
125
126 {"AC97 Playback", NULL, "ASRC-Playback"},
127 {"ASRC-Capture", NULL, "AC97 Capture"},
128};
129
130static const struct snd_soc_dapm_route audio_map_tx[] = {
131
132 {"Playback", NULL, "CPU-Playback"},
133
134 {"CPU-Playback", NULL, "ASRC-Playback"},
135};
136
137static const struct snd_soc_dapm_route audio_map_rx[] = {
138
139 {"CPU-Capture", NULL, "Capture"},
140
141 {"ASRC-Capture", NULL, "CPU-Capture"},
142};
143
144
145static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = {
146 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
147 SND_SOC_DAPM_LINE("Line In Jack", NULL),
148 SND_SOC_DAPM_HP("Headphone Jack", NULL),
149 SND_SOC_DAPM_SPK("Ext Spk", NULL),
150 SND_SOC_DAPM_MIC("Mic Jack", NULL),
151 SND_SOC_DAPM_MIC("AMIC", NULL),
152 SND_SOC_DAPM_MIC("DMIC", NULL),
153};
154
155static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv)
156{
157 return priv->dai_fmt == SND_SOC_DAIFMT_AC97;
158}
159
160static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
161 struct snd_pcm_hw_params *params)
162{
163 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
164 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
165 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
166 struct codec_priv *codec_priv = &priv->codec_priv;
167 struct cpu_priv *cpu_priv = &priv->cpu_priv;
168 struct device *dev = rtd->card->dev;
169 unsigned int pll_out;
170 int ret;
171
172 priv->sample_rate = params_rate(params);
173 priv->sample_format = params_format(params);
174 priv->streams |= BIT(substream->stream);
175
176 if (fsl_asoc_card_is_ac97(priv))
177 return 0;
178
179
180 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), cpu_priv->sysclk_id[tx],
181 cpu_priv->sysclk_freq[tx],
182 cpu_priv->sysclk_dir[tx]);
183 if (ret && ret != -ENOTSUPP) {
184 dev_err(dev, "failed to set sysclk for cpu dai\n");
185 goto fail;
186 }
187
188 if (cpu_priv->slot_width) {
189 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2,
190 cpu_priv->slot_width);
191 if (ret && ret != -ENOTSUPP) {
192 dev_err(dev, "failed to set TDM slot for cpu dai\n");
193 goto fail;
194 }
195 }
196
197
198 if (codec_priv->pll_id && codec_priv->fll_id) {
199 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
200 pll_out = priv->sample_rate * 384;
201 else
202 pll_out = priv->sample_rate * 256;
203
204 ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0),
205 codec_priv->pll_id,
206 codec_priv->mclk_id,
207 codec_priv->mclk_freq, pll_out);
208 if (ret) {
209 dev_err(dev, "failed to start FLL: %d\n", ret);
210 goto fail;
211 }
212
213 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0),
214 codec_priv->fll_id,
215 pll_out, SND_SOC_CLOCK_IN);
216
217 if (ret && ret != -ENOTSUPP) {
218 dev_err(dev, "failed to set SYSCLK: %d\n", ret);
219 goto fail;
220 }
221 }
222
223 return 0;
224
225fail:
226 priv->streams &= ~BIT(substream->stream);
227 return ret;
228}
229
230static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
231{
232 struct snd_soc_pcm_runtime *rtd = substream->private_data;
233 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
234 struct codec_priv *codec_priv = &priv->codec_priv;
235 struct device *dev = rtd->card->dev;
236 int ret;
237
238 priv->streams &= ~BIT(substream->stream);
239
240 if (!priv->streams && codec_priv->pll_id && codec_priv->fll_id) {
241
242 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0),
243 codec_priv->mclk_id,
244 codec_priv->free_freq,
245 SND_SOC_CLOCK_IN);
246 if (ret) {
247 dev_err(dev, "failed to switch away from FLL: %d\n", ret);
248 return ret;
249 }
250
251 ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0),
252 codec_priv->pll_id, 0, 0, 0);
253 if (ret && ret != -ENOTSUPP) {
254 dev_err(dev, "failed to stop FLL: %d\n", ret);
255 return ret;
256 }
257 }
258
259 return 0;
260}
261
262static const struct snd_soc_ops fsl_asoc_card_ops = {
263 .hw_params = fsl_asoc_card_hw_params,
264 .hw_free = fsl_asoc_card_hw_free,
265};
266
267static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
268 struct snd_pcm_hw_params *params)
269{
270 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
271 struct snd_interval *rate;
272 struct snd_mask *mask;
273
274 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
275 rate->max = rate->min = priv->asrc_rate;
276
277 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
278 snd_mask_none(mask);
279 snd_mask_set_format(mask, priv->asrc_format);
280
281 return 0;
282}
283
284SND_SOC_DAILINK_DEFS(hifi,
285 DAILINK_COMP_ARRAY(COMP_EMPTY()),
286 DAILINK_COMP_ARRAY(COMP_EMPTY()),
287 DAILINK_COMP_ARRAY(COMP_EMPTY()));
288
289SND_SOC_DAILINK_DEFS(hifi_fe,
290 DAILINK_COMP_ARRAY(COMP_EMPTY()),
291 DAILINK_COMP_ARRAY(COMP_DUMMY()),
292 DAILINK_COMP_ARRAY(COMP_EMPTY()));
293
294SND_SOC_DAILINK_DEFS(hifi_be,
295 DAILINK_COMP_ARRAY(COMP_EMPTY()),
296 DAILINK_COMP_ARRAY(COMP_EMPTY()),
297 DAILINK_COMP_ARRAY(COMP_DUMMY()));
298
299static struct snd_soc_dai_link fsl_asoc_card_dai[] = {
300
301 {
302 .name = "HiFi",
303 .stream_name = "HiFi",
304 .ops = &fsl_asoc_card_ops,
305 SND_SOC_DAILINK_REG(hifi),
306 },
307
308 {
309 .name = "HiFi-ASRC-FE",
310 .stream_name = "HiFi-ASRC-FE",
311 .dpcm_playback = 1,
312 .dpcm_capture = 1,
313 .dynamic = 1,
314 SND_SOC_DAILINK_REG(hifi_fe),
315 },
316 {
317 .name = "HiFi-ASRC-BE",
318 .stream_name = "HiFi-ASRC-BE",
319 .be_hw_params_fixup = be_hw_params_fixup,
320 .ops = &fsl_asoc_card_ops,
321 .dpcm_playback = 1,
322 .dpcm_capture = 1,
323 .no_pcm = 1,
324 SND_SOC_DAILINK_REG(hifi_be),
325 },
326};
327
328static int fsl_asoc_card_audmux_init(struct device_node *np,
329 struct fsl_asoc_card_priv *priv)
330{
331 struct device *dev = &priv->pdev->dev;
332 u32 int_ptcr = 0, ext_ptcr = 0;
333 int int_port, ext_port;
334 int ret;
335
336 ret = of_property_read_u32(np, "mux-int-port", &int_port);
337 if (ret) {
338 dev_err(dev, "mux-int-port missing or invalid\n");
339 return ret;
340 }
341 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
342 if (ret) {
343 dev_err(dev, "mux-ext-port missing or invalid\n");
344 return ret;
345 }
346
347
348
349
350
351 int_port--;
352 ext_port--;
353
354
355
356
357
358
359 switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) {
360 case SND_SOC_DAIFMT_CBM_CFM:
361 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
362 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
363 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
364 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
365 IMX_AUDMUX_V2_PTCR_RFSDIR |
366 IMX_AUDMUX_V2_PTCR_RCLKDIR |
367 IMX_AUDMUX_V2_PTCR_TFSDIR |
368 IMX_AUDMUX_V2_PTCR_TCLKDIR;
369 break;
370 case SND_SOC_DAIFMT_CBM_CFS:
371 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
372 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
373 IMX_AUDMUX_V2_PTCR_RCLKDIR |
374 IMX_AUDMUX_V2_PTCR_TCLKDIR;
375 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
376 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
377 IMX_AUDMUX_V2_PTCR_RFSDIR |
378 IMX_AUDMUX_V2_PTCR_TFSDIR;
379 break;
380 case SND_SOC_DAIFMT_CBS_CFM:
381 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
382 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
383 IMX_AUDMUX_V2_PTCR_RFSDIR |
384 IMX_AUDMUX_V2_PTCR_TFSDIR;
385 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
386 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
387 IMX_AUDMUX_V2_PTCR_RCLKDIR |
388 IMX_AUDMUX_V2_PTCR_TCLKDIR;
389 break;
390 case SND_SOC_DAIFMT_CBS_CFS:
391 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
392 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
393 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
394 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
395 IMX_AUDMUX_V2_PTCR_RFSDIR |
396 IMX_AUDMUX_V2_PTCR_RCLKDIR |
397 IMX_AUDMUX_V2_PTCR_TFSDIR |
398 IMX_AUDMUX_V2_PTCR_TCLKDIR;
399 break;
400 default:
401 if (!fsl_asoc_card_is_ac97(priv))
402 return -EINVAL;
403 }
404
405 if (fsl_asoc_card_is_ac97(priv)) {
406 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
407 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
408 IMX_AUDMUX_V2_PTCR_TCLKDIR;
409 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
410 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
411 IMX_AUDMUX_V2_PTCR_TFSDIR;
412 }
413
414
415 if (!fsl_asoc_card_is_ac97(priv)) {
416 unsigned int pdcr =
417 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port);
418
419 ret = imx_audmux_v2_configure_port(int_port, 0,
420 pdcr);
421 if (ret) {
422 dev_err(dev, "audmux internal port setup failed\n");
423 return ret;
424 }
425 }
426
427 ret = imx_audmux_v2_configure_port(int_port, int_ptcr,
428 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
429 if (ret) {
430 dev_err(dev, "audmux internal port setup failed\n");
431 return ret;
432 }
433
434 if (!fsl_asoc_card_is_ac97(priv)) {
435 unsigned int pdcr =
436 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port);
437
438 ret = imx_audmux_v2_configure_port(ext_port, 0,
439 pdcr);
440 if (ret) {
441 dev_err(dev, "audmux external port setup failed\n");
442 return ret;
443 }
444 }
445
446 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr,
447 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
448 if (ret) {
449 dev_err(dev, "audmux external port setup failed\n");
450 return ret;
451 }
452
453 return 0;
454}
455
456static int hp_jack_event(struct notifier_block *nb, unsigned long event,
457 void *data)
458{
459 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
460 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
461
462 if (event & SND_JACK_HEADPHONE)
463
464 snd_soc_dapm_disable_pin(dapm, "Ext Spk");
465 else
466 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
467
468 return 0;
469}
470
471static struct notifier_block hp_jack_nb = {
472 .notifier_call = hp_jack_event,
473};
474
475static int mic_jack_event(struct notifier_block *nb, unsigned long event,
476 void *data)
477{
478 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
479 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
480
481 if (event & SND_JACK_MICROPHONE)
482
483 snd_soc_dapm_disable_pin(dapm, "DMIC");
484 else
485 snd_soc_dapm_enable_pin(dapm, "DMIC");
486
487 return 0;
488}
489
490static struct notifier_block mic_jack_nb = {
491 .notifier_call = mic_jack_event,
492};
493
494static int fsl_asoc_card_late_probe(struct snd_soc_card *card)
495{
496 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
497 struct snd_soc_pcm_runtime *rtd = list_first_entry(
498 &card->rtd_list, struct snd_soc_pcm_runtime, list);
499 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
500 struct codec_priv *codec_priv = &priv->codec_priv;
501 struct device *dev = card->dev;
502 int ret;
503
504 if (fsl_asoc_card_is_ac97(priv)) {
505#if IS_ENABLED(CONFIG_SND_AC97_CODEC)
506 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
507 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
508
509
510
511
512
513
514 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
515 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4);
516#endif
517
518 return 0;
519 }
520
521 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
522 codec_priv->mclk_freq, SND_SOC_CLOCK_IN);
523 if (ret && ret != -ENOTSUPP) {
524 dev_err(dev, "failed to set sysclk in %s\n", __func__);
525 return ret;
526 }
527
528 return 0;
529}
530
531static int fsl_asoc_card_probe(struct platform_device *pdev)
532{
533 struct device_node *cpu_np, *codec_np, *asrc_np;
534 struct device_node *np = pdev->dev.of_node;
535 struct platform_device *asrc_pdev = NULL;
536 struct device_node *bitclkmaster = NULL;
537 struct device_node *framemaster = NULL;
538 struct platform_device *cpu_pdev;
539 struct fsl_asoc_card_priv *priv;
540 struct device *codec_dev = NULL;
541 const char *codec_dai_name;
542 const char *codec_dev_name;
543 u32 width;
544 int ret;
545
546 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
547 if (!priv)
548 return -ENOMEM;
549
550 cpu_np = of_parse_phandle(np, "audio-cpu", 0);
551
552 if (!cpu_np)
553 cpu_np = of_parse_phandle(np, "ssi-controller", 0);
554 if (!cpu_np) {
555 dev_err(&pdev->dev, "CPU phandle missing or invalid\n");
556 ret = -EINVAL;
557 goto fail;
558 }
559
560 cpu_pdev = of_find_device_by_node(cpu_np);
561 if (!cpu_pdev) {
562 dev_err(&pdev->dev, "failed to find CPU DAI device\n");
563 ret = -EINVAL;
564 goto fail;
565 }
566
567 codec_np = of_parse_phandle(np, "audio-codec", 0);
568 if (codec_np) {
569 struct platform_device *codec_pdev;
570 struct i2c_client *codec_i2c;
571
572 codec_i2c = of_find_i2c_device_by_node(codec_np);
573 if (codec_i2c) {
574 codec_dev = &codec_i2c->dev;
575 codec_dev_name = codec_i2c->name;
576 }
577 if (!codec_dev) {
578 codec_pdev = of_find_device_by_node(codec_np);
579 if (codec_pdev) {
580 codec_dev = &codec_pdev->dev;
581 codec_dev_name = codec_pdev->name;
582 }
583 }
584 }
585
586 asrc_np = of_parse_phandle(np, "audio-asrc", 0);
587 if (asrc_np)
588 asrc_pdev = of_find_device_by_node(asrc_np);
589
590
591 if (codec_dev) {
592 struct clk *codec_clk = clk_get(codec_dev, NULL);
593
594 if (!IS_ERR(codec_clk)) {
595 priv->codec_priv.mclk_freq = clk_get_rate(codec_clk);
596 clk_put(codec_clk);
597 }
598 }
599
600
601 priv->sample_rate = 44100;
602 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
603
604
605 priv->dai_fmt = DAI_FMT_BASE;
606
607 memcpy(priv->dai_link, fsl_asoc_card_dai,
608 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link));
609
610 priv->card.dapm_routes = audio_map;
611 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map);
612
613 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) {
614 codec_dai_name = "cs42888";
615 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq;
616 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq;
617 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
618 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
619 priv->cpu_priv.slot_width = 32;
620 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
621 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) {
622 codec_dai_name = "cs4271-hifi";
623 priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK;
624 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
625 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
626 codec_dai_name = "sgtl5000";
627 priv->codec_priv.mclk_id = SGTL5000_SYSCLK;
628 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
629 } else if (of_device_is_compatible(np, "fsl,imx-audio-tlv320aic32x4")) {
630 codec_dai_name = "tlv320aic32x4-hifi";
631 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
632 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) {
633 codec_dai_name = "wm8962";
634 priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK;
635 priv->codec_priv.fll_id = WM8962_SYSCLK_FLL;
636 priv->codec_priv.pll_id = WM8962_FLL;
637 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
638 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) {
639 codec_dai_name = "wm8960-hifi";
640 priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO;
641 priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO;
642 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
643 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) {
644 codec_dai_name = "ac97-hifi";
645 priv->dai_fmt = SND_SOC_DAIFMT_AC97;
646 priv->card.dapm_routes = audio_map_ac97;
647 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97);
648 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) {
649 codec_dai_name = "fsl-mqs-dai";
650 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J |
651 SND_SOC_DAIFMT_CBS_CFS |
652 SND_SOC_DAIFMT_NB_NF;
653 priv->dai_link[1].dpcm_capture = 0;
654 priv->dai_link[2].dpcm_capture = 0;
655 priv->card.dapm_routes = audio_map_tx;
656 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
657 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) {
658 codec_dai_name = "wm8524-hifi";
659 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
660 priv->dai_link[1].dpcm_capture = 0;
661 priv->dai_link[2].dpcm_capture = 0;
662 priv->cpu_priv.slot_width = 32;
663 priv->card.dapm_routes = audio_map_tx;
664 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
665 } else if (of_device_is_compatible(np, "fsl,imx-audio-si476x")) {
666 codec_dai_name = "si476x-codec";
667 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
668 priv->card.dapm_routes = audio_map_rx;
669 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_rx);
670 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8958")) {
671 codec_dai_name = "wm8994-aif1";
672 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
673 priv->codec_priv.mclk_id = WM8994_FLL_SRC_MCLK1;
674 priv->codec_priv.fll_id = WM8994_SYSCLK_FLL1;
675 priv->codec_priv.pll_id = WM8994_FLL1;
676 priv->codec_priv.free_freq = priv->codec_priv.mclk_freq;
677 priv->card.dapm_routes = NULL;
678 priv->card.num_dapm_routes = 0;
679 } else {
680 dev_err(&pdev->dev, "unknown Device Tree compatible\n");
681 ret = -EINVAL;
682 goto asrc_fail;
683 }
684
685
686 snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkmaster, &framemaster);
687 if (bitclkmaster || framemaster) {
688 unsigned int daifmt = snd_soc_daifmt_parse_format(np, NULL);
689
690 if (codec_np == bitclkmaster)
691 daifmt |= (codec_np == framemaster) ?
692 SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS;
693 else
694 daifmt |= (codec_np == framemaster) ?
695 SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
696
697
698 priv->dai_fmt = daifmt;
699 }
700
701
702 if (priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) {
703 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN;
704 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN;
705 }
706
707 of_node_put(bitclkmaster);
708 of_node_put(framemaster);
709
710 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) {
711 dev_dbg(&pdev->dev, "failed to find codec device\n");
712 ret = -EPROBE_DEFER;
713 goto asrc_fail;
714 }
715
716
717 if (of_node_name_eq(cpu_np, "ssi")) {
718
719 ret = fsl_asoc_card_audmux_init(np, priv);
720 if (ret) {
721 dev_err(&pdev->dev, "failed to init audmux\n");
722 goto asrc_fail;
723 }
724 } else if (of_node_name_eq(cpu_np, "esai")) {
725 struct clk *esai_clk = clk_get(&cpu_pdev->dev, "extal");
726
727 if (!IS_ERR(esai_clk)) {
728 priv->cpu_priv.sysclk_freq[TX] = clk_get_rate(esai_clk);
729 priv->cpu_priv.sysclk_freq[RX] = clk_get_rate(esai_clk);
730 clk_put(esai_clk);
731 } else if (PTR_ERR(esai_clk) == -EPROBE_DEFER) {
732 ret = -EPROBE_DEFER;
733 goto asrc_fail;
734 }
735
736 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;
737 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;
738 } else if (of_node_name_eq(cpu_np, "sai")) {
739 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
740 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
741 }
742
743
744 priv->pdev = pdev;
745 priv->card.dev = &pdev->dev;
746 priv->card.owner = THIS_MODULE;
747 ret = snd_soc_of_parse_card_name(&priv->card, "model");
748 if (ret) {
749 snprintf(priv->name, sizeof(priv->name), "%s-audio",
750 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name);
751 priv->card.name = priv->name;
752 }
753 priv->card.dai_link = priv->dai_link;
754 priv->card.late_probe = fsl_asoc_card_late_probe;
755 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets;
756 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets);
757
758
759 if (!asrc_pdev)
760 priv->card.num_dapm_routes /= 2;
761
762 if (of_property_read_bool(np, "audio-routing")) {
763 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
764 if (ret) {
765 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
766 goto asrc_fail;
767 }
768 }
769
770
771 priv->dai_link[0].cpus->of_node = cpu_np;
772 priv->dai_link[0].codecs->dai_name = codec_dai_name;
773
774 if (!fsl_asoc_card_is_ac97(priv))
775 priv->dai_link[0].codecs->of_node = codec_np;
776 else {
777 u32 idx;
778
779 ret = of_property_read_u32(cpu_np, "cell-index", &idx);
780 if (ret) {
781 dev_err(&pdev->dev,
782 "cannot get CPU index property\n");
783 goto asrc_fail;
784 }
785
786 priv->dai_link[0].codecs->name =
787 devm_kasprintf(&pdev->dev, GFP_KERNEL,
788 "ac97-codec.%u",
789 (unsigned int)idx);
790 if (!priv->dai_link[0].codecs->name) {
791 ret = -ENOMEM;
792 goto asrc_fail;
793 }
794 }
795
796 priv->dai_link[0].platforms->of_node = cpu_np;
797 priv->dai_link[0].dai_fmt = priv->dai_fmt;
798 priv->card.num_links = 1;
799
800 if (asrc_pdev) {
801
802 priv->dai_link[1].cpus->of_node = asrc_np;
803 priv->dai_link[1].platforms->of_node = asrc_np;
804 priv->dai_link[2].codecs->dai_name = codec_dai_name;
805 priv->dai_link[2].codecs->of_node = codec_np;
806 priv->dai_link[2].codecs->name =
807 priv->dai_link[0].codecs->name;
808 priv->dai_link[2].cpus->of_node = cpu_np;
809 priv->dai_link[2].dai_fmt = priv->dai_fmt;
810 priv->card.num_links = 3;
811
812 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
813 &priv->asrc_rate);
814 if (ret) {
815 dev_err(&pdev->dev, "failed to get output rate\n");
816 ret = -EINVAL;
817 goto asrc_fail;
818 }
819
820 ret = of_property_read_u32(asrc_np, "fsl,asrc-format",
821 &priv->asrc_format);
822 if (ret) {
823
824 ret = of_property_read_u32(asrc_np, "fsl,asrc-width",
825 &width);
826 if (ret) {
827 dev_err(&pdev->dev,
828 "failed to decide output format\n");
829 goto asrc_fail;
830 }
831
832 if (width == 24)
833 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
834 else
835 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
836 }
837 }
838
839
840 platform_set_drvdata(pdev, priv);
841 snd_soc_card_set_drvdata(&priv->card, priv);
842
843 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
844 if (ret) {
845 if (ret != -EPROBE_DEFER)
846 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
847 goto asrc_fail;
848 }
849
850
851
852
853
854
855
856
857
858 if (of_property_read_bool(np, "hp-det-gpio")) {
859 ret = asoc_simple_init_jack(&priv->card, &priv->hp_jack,
860 1, NULL, "Headphone Jack");
861 if (ret)
862 goto asrc_fail;
863
864 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb);
865 }
866
867 if (of_property_read_bool(np, "mic-det-gpio")) {
868 ret = asoc_simple_init_jack(&priv->card, &priv->mic_jack,
869 0, NULL, "Mic Jack");
870 if (ret)
871 goto asrc_fail;
872
873 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb);
874 }
875
876asrc_fail:
877 of_node_put(asrc_np);
878 of_node_put(codec_np);
879 put_device(&cpu_pdev->dev);
880fail:
881 of_node_put(cpu_np);
882
883 return ret;
884}
885
886static const struct of_device_id fsl_asoc_card_dt_ids[] = {
887 { .compatible = "fsl,imx-audio-ac97", },
888 { .compatible = "fsl,imx-audio-cs42888", },
889 { .compatible = "fsl,imx-audio-cs427x", },
890 { .compatible = "fsl,imx-audio-tlv320aic32x4", },
891 { .compatible = "fsl,imx-audio-sgtl5000", },
892 { .compatible = "fsl,imx-audio-wm8962", },
893 { .compatible = "fsl,imx-audio-wm8960", },
894 { .compatible = "fsl,imx-audio-mqs", },
895 { .compatible = "fsl,imx-audio-wm8524", },
896 { .compatible = "fsl,imx-audio-si476x", },
897 { .compatible = "fsl,imx-audio-wm8958", },
898 {}
899};
900MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);
901
902static struct platform_driver fsl_asoc_card_driver = {
903 .probe = fsl_asoc_card_probe,
904 .driver = {
905 .name = "fsl-asoc-card",
906 .pm = &snd_soc_pm_ops,
907 .of_match_table = fsl_asoc_card_dt_ids,
908 },
909};
910module_platform_driver(fsl_asoc_card_driver);
911
912MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC");
913MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>");
914MODULE_ALIAS("platform:fsl-asoc-card");
915MODULE_LICENSE("GPL");
916
