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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
29#define CS427x_SYSCLK_MCLK 0
30
31#define RX 0
32#define TX 1
33
34
35#define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF)
36
37
38
39
40
41
42
43
44struct codec_priv {
45 unsigned long mclk_freq;
46 u32 mclk_id;
47 u32 fll_id;
48 u32 pll_id;
49};
50
51
52
53
54
55
56
57
58
59
60struct cpu_priv {
61 unsigned long sysclk_freq[2];
62 u32 sysclk_dir[2];
63 u32 sysclk_id[2];
64 u32 slot_width;
65};
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84
85struct fsl_asoc_card_priv {
86 struct snd_soc_dai_link dai_link[3];
87 struct asoc_simple_jack hp_jack;
88 struct asoc_simple_jack mic_jack;
89 struct platform_device *pdev;
90 struct codec_priv codec_priv;
91 struct cpu_priv cpu_priv;
92 struct snd_soc_card card;
93 u8 streams;
94 u32 sample_rate;
95 snd_pcm_format_t sample_format;
96 u32 asrc_rate;
97 snd_pcm_format_t asrc_format;
98 u32 dai_fmt;
99 char name[32];
100};
101
102
103
104
105
106
107
108
109static const struct snd_soc_dapm_route audio_map[] = {
110
111 {"Playback", NULL, "CPU-Playback"},
112 {"CPU-Capture", NULL, "Capture"},
113
114 {"CPU-Playback", NULL, "ASRC-Playback"},
115 {"ASRC-Capture", NULL, "CPU-Capture"},
116};
117
118static const struct snd_soc_dapm_route audio_map_ac97[] = {
119
120 {"Playback", NULL, "AC97 Playback"},
121 {"AC97 Capture", NULL, "Capture"},
122
123 {"AC97 Playback", NULL, "ASRC-Playback"},
124 {"ASRC-Capture", NULL, "AC97 Capture"},
125};
126
127static const struct snd_soc_dapm_route audio_map_tx[] = {
128
129 {"Playback", NULL, "CPU-Playback"},
130
131 {"CPU-Playback", NULL, "ASRC-Playback"},
132};
133
134
135static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = {
136 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
137 SND_SOC_DAPM_LINE("Line In Jack", NULL),
138 SND_SOC_DAPM_HP("Headphone Jack", NULL),
139 SND_SOC_DAPM_SPK("Ext Spk", NULL),
140 SND_SOC_DAPM_MIC("Mic Jack", NULL),
141 SND_SOC_DAPM_MIC("AMIC", NULL),
142 SND_SOC_DAPM_MIC("DMIC", NULL),
143};
144
145static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv)
146{
147 return priv->dai_fmt == SND_SOC_DAIFMT_AC97;
148}
149
150static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
151 struct snd_pcm_hw_params *params)
152{
153 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
154 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
155 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
156 struct codec_priv *codec_priv = &priv->codec_priv;
157 struct cpu_priv *cpu_priv = &priv->cpu_priv;
158 struct device *dev = rtd->card->dev;
159 unsigned int pll_out;
160 int ret;
161
162 priv->sample_rate = params_rate(params);
163 priv->sample_format = params_format(params);
164 priv->streams |= BIT(substream->stream);
165
166 if (fsl_asoc_card_is_ac97(priv))
167 return 0;
168
169
170 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), cpu_priv->sysclk_id[tx],
171 cpu_priv->sysclk_freq[tx],
172 cpu_priv->sysclk_dir[tx]);
173 if (ret && ret != -ENOTSUPP) {
174 dev_err(dev, "failed to set sysclk for cpu dai\n");
175 goto fail;
176 }
177
178 if (cpu_priv->slot_width) {
179 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2,
180 cpu_priv->slot_width);
181 if (ret && ret != -ENOTSUPP) {
182 dev_err(dev, "failed to set TDM slot for cpu dai\n");
183 goto fail;
184 }
185 }
186
187
188 if (codec_priv->pll_id && codec_priv->fll_id) {
189 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
190 pll_out = priv->sample_rate * 384;
191 else
192 pll_out = priv->sample_rate * 256;
193
194 ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0),
195 codec_priv->pll_id,
196 codec_priv->mclk_id,
197 codec_priv->mclk_freq, pll_out);
198 if (ret) {
199 dev_err(dev, "failed to start FLL: %d\n", ret);
200 goto fail;
201 }
202
203 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0),
204 codec_priv->fll_id,
205 pll_out, SND_SOC_CLOCK_IN);
206
207 if (ret && ret != -ENOTSUPP) {
208 dev_err(dev, "failed to set SYSCLK: %d\n", ret);
209 goto fail;
210 }
211 }
212
213 return 0;
214
215fail:
216 priv->streams &= ~BIT(substream->stream);
217 return ret;
218}
219
220static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream)
221{
222 struct snd_soc_pcm_runtime *rtd = substream->private_data;
223 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
224 struct codec_priv *codec_priv = &priv->codec_priv;
225 struct device *dev = rtd->card->dev;
226 int ret;
227
228 priv->streams &= ~BIT(substream->stream);
229
230 if (!priv->streams && codec_priv->pll_id && codec_priv->fll_id) {
231
232 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0),
233 codec_priv->mclk_id,
234 0,
235 SND_SOC_CLOCK_IN);
236 if (ret) {
237 dev_err(dev, "failed to switch away from FLL: %d\n", ret);
238 return ret;
239 }
240
241 ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0),
242 codec_priv->pll_id, 0, 0, 0);
243 if (ret && ret != -ENOTSUPP) {
244 dev_err(dev, "failed to stop FLL: %d\n", ret);
245 return ret;
246 }
247 }
248
249 return 0;
250}
251
252static const struct snd_soc_ops fsl_asoc_card_ops = {
253 .hw_params = fsl_asoc_card_hw_params,
254 .hw_free = fsl_asoc_card_hw_free,
255};
256
257static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
258 struct snd_pcm_hw_params *params)
259{
260 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
261 struct snd_interval *rate;
262 struct snd_mask *mask;
263
264 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
265 rate->max = rate->min = priv->asrc_rate;
266
267 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
268 snd_mask_none(mask);
269 snd_mask_set_format(mask, priv->asrc_format);
270
271 return 0;
272}
273
274SND_SOC_DAILINK_DEFS(hifi,
275 DAILINK_COMP_ARRAY(COMP_EMPTY()),
276 DAILINK_COMP_ARRAY(COMP_EMPTY()),
277 DAILINK_COMP_ARRAY(COMP_EMPTY()));
278
279SND_SOC_DAILINK_DEFS(hifi_fe,
280 DAILINK_COMP_ARRAY(COMP_EMPTY()),
281 DAILINK_COMP_ARRAY(COMP_DUMMY()),
282 DAILINK_COMP_ARRAY(COMP_EMPTY()));
283
284SND_SOC_DAILINK_DEFS(hifi_be,
285 DAILINK_COMP_ARRAY(COMP_EMPTY()),
286 DAILINK_COMP_ARRAY(COMP_EMPTY()),
287 DAILINK_COMP_ARRAY(COMP_DUMMY()));
288
289static struct snd_soc_dai_link fsl_asoc_card_dai[] = {
290
291 {
292 .name = "HiFi",
293 .stream_name = "HiFi",
294 .ops = &fsl_asoc_card_ops,
295 SND_SOC_DAILINK_REG(hifi),
296 },
297
298 {
299 .name = "HiFi-ASRC-FE",
300 .stream_name = "HiFi-ASRC-FE",
301 .dpcm_playback = 1,
302 .dpcm_capture = 1,
303 .dynamic = 1,
304 SND_SOC_DAILINK_REG(hifi_fe),
305 },
306 {
307 .name = "HiFi-ASRC-BE",
308 .stream_name = "HiFi-ASRC-BE",
309 .be_hw_params_fixup = be_hw_params_fixup,
310 .ops = &fsl_asoc_card_ops,
311 .dpcm_playback = 1,
312 .dpcm_capture = 1,
313 .no_pcm = 1,
314 SND_SOC_DAILINK_REG(hifi_be),
315 },
316};
317
318static int fsl_asoc_card_audmux_init(struct device_node *np,
319 struct fsl_asoc_card_priv *priv)
320{
321 struct device *dev = &priv->pdev->dev;
322 u32 int_ptcr = 0, ext_ptcr = 0;
323 int int_port, ext_port;
324 int ret;
325
326 ret = of_property_read_u32(np, "mux-int-port", &int_port);
327 if (ret) {
328 dev_err(dev, "mux-int-port missing or invalid\n");
329 return ret;
330 }
331 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
332 if (ret) {
333 dev_err(dev, "mux-ext-port missing or invalid\n");
334 return ret;
335 }
336
337
338
339
340
341 int_port--;
342 ext_port--;
343
344
345
346
347
348
349 switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) {
350 case SND_SOC_DAIFMT_CBM_CFM:
351 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
352 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
353 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
354 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
355 IMX_AUDMUX_V2_PTCR_RFSDIR |
356 IMX_AUDMUX_V2_PTCR_RCLKDIR |
357 IMX_AUDMUX_V2_PTCR_TFSDIR |
358 IMX_AUDMUX_V2_PTCR_TCLKDIR;
359 break;
360 case SND_SOC_DAIFMT_CBM_CFS:
361 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
362 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
363 IMX_AUDMUX_V2_PTCR_RCLKDIR |
364 IMX_AUDMUX_V2_PTCR_TCLKDIR;
365 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
366 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
367 IMX_AUDMUX_V2_PTCR_RFSDIR |
368 IMX_AUDMUX_V2_PTCR_TFSDIR;
369 break;
370 case SND_SOC_DAIFMT_CBS_CFM:
371 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
372 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
373 IMX_AUDMUX_V2_PTCR_RFSDIR |
374 IMX_AUDMUX_V2_PTCR_TFSDIR;
375 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
376 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
377 IMX_AUDMUX_V2_PTCR_RCLKDIR |
378 IMX_AUDMUX_V2_PTCR_TCLKDIR;
379 break;
380 case SND_SOC_DAIFMT_CBS_CFS:
381 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
382 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
383 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
384 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
385 IMX_AUDMUX_V2_PTCR_RFSDIR |
386 IMX_AUDMUX_V2_PTCR_RCLKDIR |
387 IMX_AUDMUX_V2_PTCR_TFSDIR |
388 IMX_AUDMUX_V2_PTCR_TCLKDIR;
389 break;
390 default:
391 if (!fsl_asoc_card_is_ac97(priv))
392 return -EINVAL;
393 }
394
395 if (fsl_asoc_card_is_ac97(priv)) {
396 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
397 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
398 IMX_AUDMUX_V2_PTCR_TCLKDIR;
399 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
400 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
401 IMX_AUDMUX_V2_PTCR_TFSDIR;
402 }
403
404
405 if (!fsl_asoc_card_is_ac97(priv)) {
406 unsigned int pdcr =
407 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port);
408
409 ret = imx_audmux_v2_configure_port(int_port, 0,
410 pdcr);
411 if (ret) {
412 dev_err(dev, "audmux internal port setup failed\n");
413 return ret;
414 }
415 }
416
417 ret = imx_audmux_v2_configure_port(int_port, int_ptcr,
418 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
419 if (ret) {
420 dev_err(dev, "audmux internal port setup failed\n");
421 return ret;
422 }
423
424 if (!fsl_asoc_card_is_ac97(priv)) {
425 unsigned int pdcr =
426 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port);
427
428 ret = imx_audmux_v2_configure_port(ext_port, 0,
429 pdcr);
430 if (ret) {
431 dev_err(dev, "audmux external port setup failed\n");
432 return ret;
433 }
434 }
435
436 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr,
437 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
438 if (ret) {
439 dev_err(dev, "audmux external port setup failed\n");
440 return ret;
441 }
442
443 return 0;
444}
445
446static int hp_jack_event(struct notifier_block *nb, unsigned long event,
447 void *data)
448{
449 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
450 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
451
452 if (event & SND_JACK_HEADPHONE)
453
454 snd_soc_dapm_disable_pin(dapm, "Ext Spk");
455 else
456 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
457
458 return 0;
459}
460
461static struct notifier_block hp_jack_nb = {
462 .notifier_call = hp_jack_event,
463};
464
465static int mic_jack_event(struct notifier_block *nb, unsigned long event,
466 void *data)
467{
468 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
469 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
470
471 if (event & SND_JACK_MICROPHONE)
472
473 snd_soc_dapm_disable_pin(dapm, "DMIC");
474 else
475 snd_soc_dapm_enable_pin(dapm, "DMIC");
476
477 return 0;
478}
479
480static struct notifier_block mic_jack_nb = {
481 .notifier_call = mic_jack_event,
482};
483
484static int fsl_asoc_card_late_probe(struct snd_soc_card *card)
485{
486 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
487 struct snd_soc_pcm_runtime *rtd = list_first_entry(
488 &card->rtd_list, struct snd_soc_pcm_runtime, list);
489 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
490 struct codec_priv *codec_priv = &priv->codec_priv;
491 struct device *dev = card->dev;
492 int ret;
493
494 if (fsl_asoc_card_is_ac97(priv)) {
495#if IS_ENABLED(CONFIG_SND_AC97_CODEC)
496 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
497 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
498
499
500
501
502
503
504 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
505 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4);
506#endif
507
508 return 0;
509 }
510
511 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
512 codec_priv->mclk_freq, SND_SOC_CLOCK_IN);
513 if (ret && ret != -ENOTSUPP) {
514 dev_err(dev, "failed to set sysclk in %s\n", __func__);
515 return ret;
516 }
517
518 return 0;
519}
520
521static int fsl_asoc_card_probe(struct platform_device *pdev)
522{
523 struct device_node *cpu_np, *codec_np, *asrc_np;
524 struct device_node *np = pdev->dev.of_node;
525 struct platform_device *asrc_pdev = NULL;
526 struct device_node *bitclkmaster = NULL;
527 struct device_node *framemaster = NULL;
528 struct platform_device *cpu_pdev;
529 struct fsl_asoc_card_priv *priv;
530 struct device *codec_dev = NULL;
531 const char *codec_dai_name;
532 const char *codec_dev_name;
533 unsigned int daifmt;
534 u32 width;
535 int ret;
536
537 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
538 if (!priv)
539 return -ENOMEM;
540
541 cpu_np = of_parse_phandle(np, "audio-cpu", 0);
542
543 if (!cpu_np)
544 cpu_np = of_parse_phandle(np, "ssi-controller", 0);
545 if (!cpu_np) {
546 dev_err(&pdev->dev, "CPU phandle missing or invalid\n");
547 ret = -EINVAL;
548 goto fail;
549 }
550
551 cpu_pdev = of_find_device_by_node(cpu_np);
552 if (!cpu_pdev) {
553 dev_err(&pdev->dev, "failed to find CPU DAI device\n");
554 ret = -EINVAL;
555 goto fail;
556 }
557
558 codec_np = of_parse_phandle(np, "audio-codec", 0);
559 if (codec_np) {
560 struct platform_device *codec_pdev;
561 struct i2c_client *codec_i2c;
562
563 codec_i2c = of_find_i2c_device_by_node(codec_np);
564 if (codec_i2c) {
565 codec_dev = &codec_i2c->dev;
566 codec_dev_name = codec_i2c->name;
567 }
568 if (!codec_dev) {
569 codec_pdev = of_find_device_by_node(codec_np);
570 if (codec_pdev) {
571 codec_dev = &codec_pdev->dev;
572 codec_dev_name = codec_pdev->name;
573 }
574 }
575 }
576
577 asrc_np = of_parse_phandle(np, "audio-asrc", 0);
578 if (asrc_np)
579 asrc_pdev = of_find_device_by_node(asrc_np);
580
581
582 if (codec_dev) {
583 struct clk *codec_clk = clk_get(codec_dev, NULL);
584
585 if (!IS_ERR(codec_clk)) {
586 priv->codec_priv.mclk_freq = clk_get_rate(codec_clk);
587 clk_put(codec_clk);
588 }
589 }
590
591
592 priv->sample_rate = 44100;
593 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
594
595
596 priv->dai_fmt = DAI_FMT_BASE;
597
598 memcpy(priv->dai_link, fsl_asoc_card_dai,
599 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link));
600
601 priv->card.dapm_routes = audio_map;
602 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map);
603
604 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) {
605 codec_dai_name = "cs42888";
606 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq;
607 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq;
608 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
609 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
610 priv->cpu_priv.slot_width = 32;
611 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
612 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) {
613 codec_dai_name = "cs4271-hifi";
614 priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK;
615 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
616 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
617 codec_dai_name = "sgtl5000";
618 priv->codec_priv.mclk_id = SGTL5000_SYSCLK;
619 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
620 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) {
621 codec_dai_name = "wm8962";
622 priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK;
623 priv->codec_priv.fll_id = WM8962_SYSCLK_FLL;
624 priv->codec_priv.pll_id = WM8962_FLL;
625 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
626 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) {
627 codec_dai_name = "wm8960-hifi";
628 priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO;
629 priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO;
630 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
631 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) {
632 codec_dai_name = "ac97-hifi";
633 priv->dai_fmt = SND_SOC_DAIFMT_AC97;
634 priv->card.dapm_routes = audio_map_ac97;
635 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_ac97);
636 } else if (of_device_is_compatible(np, "fsl,imx-audio-mqs")) {
637 codec_dai_name = "fsl-mqs-dai";
638 priv->dai_fmt = SND_SOC_DAIFMT_LEFT_J |
639 SND_SOC_DAIFMT_CBS_CFS |
640 SND_SOC_DAIFMT_NB_NF;
641 priv->dai_link[1].dpcm_capture = 0;
642 priv->dai_link[2].dpcm_capture = 0;
643 priv->card.dapm_routes = audio_map_tx;
644 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
645 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8524")) {
646 codec_dai_name = "wm8524-hifi";
647 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
648 priv->dai_link[1].dpcm_capture = 0;
649 priv->dai_link[2].dpcm_capture = 0;
650 priv->cpu_priv.slot_width = 32;
651 priv->card.dapm_routes = audio_map_tx;
652 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map_tx);
653 } else {
654 dev_err(&pdev->dev, "unknown Device Tree compatible\n");
655 ret = -EINVAL;
656 goto asrc_fail;
657 }
658
659
660 daifmt = snd_soc_of_parse_daifmt(np, NULL,
661 &bitclkmaster, &framemaster);
662 daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
663 if (bitclkmaster || framemaster) {
664 if (codec_np == bitclkmaster)
665 daifmt |= (codec_np == framemaster) ?
666 SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS;
667 else
668 daifmt |= (codec_np == framemaster) ?
669 SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
670
671
672 priv->dai_fmt = daifmt;
673 }
674
675
676 if (priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) {
677 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_IN;
678 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_IN;
679 }
680
681 of_node_put(bitclkmaster);
682 of_node_put(framemaster);
683
684 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) {
685 dev_err(&pdev->dev, "failed to find codec device\n");
686 ret = -EPROBE_DEFER;
687 goto asrc_fail;
688 }
689
690
691 if (of_node_name_eq(cpu_np, "ssi")) {
692
693 ret = fsl_asoc_card_audmux_init(np, priv);
694 if (ret) {
695 dev_err(&pdev->dev, "failed to init audmux\n");
696 goto asrc_fail;
697 }
698 } else if (of_node_name_eq(cpu_np, "esai")) {
699 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;
700 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;
701 } else if (of_node_name_eq(cpu_np, "sai")) {
702 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
703 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
704 }
705
706
707 priv->pdev = pdev;
708 priv->card.dev = &pdev->dev;
709 ret = snd_soc_of_parse_card_name(&priv->card, "model");
710 if (ret) {
711 snprintf(priv->name, sizeof(priv->name), "%s-audio",
712 fsl_asoc_card_is_ac97(priv) ? "ac97" : codec_dev_name);
713 priv->card.name = priv->name;
714 }
715 priv->card.dai_link = priv->dai_link;
716 priv->card.late_probe = fsl_asoc_card_late_probe;
717 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets;
718 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets);
719
720
721 if (!asrc_pdev)
722 priv->card.num_dapm_routes /= 2;
723
724 if (of_property_read_bool(np, "audio-routing")) {
725 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
726 if (ret) {
727 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
728 goto asrc_fail;
729 }
730 }
731
732
733 priv->dai_link[0].cpus->of_node = cpu_np;
734 priv->dai_link[0].codecs->dai_name = codec_dai_name;
735
736 if (!fsl_asoc_card_is_ac97(priv))
737 priv->dai_link[0].codecs->of_node = codec_np;
738 else {
739 u32 idx;
740
741 ret = of_property_read_u32(cpu_np, "cell-index", &idx);
742 if (ret) {
743 dev_err(&pdev->dev,
744 "cannot get CPU index property\n");
745 goto asrc_fail;
746 }
747
748 priv->dai_link[0].codecs->name =
749 devm_kasprintf(&pdev->dev, GFP_KERNEL,
750 "ac97-codec.%u",
751 (unsigned int)idx);
752 if (!priv->dai_link[0].codecs->name) {
753 ret = -ENOMEM;
754 goto asrc_fail;
755 }
756 }
757
758 priv->dai_link[0].platforms->of_node = cpu_np;
759 priv->dai_link[0].dai_fmt = priv->dai_fmt;
760 priv->card.num_links = 1;
761
762 if (asrc_pdev) {
763
764 priv->dai_link[1].cpus->of_node = asrc_np;
765 priv->dai_link[1].platforms->of_node = asrc_np;
766 priv->dai_link[2].codecs->dai_name = codec_dai_name;
767 priv->dai_link[2].codecs->of_node = codec_np;
768 priv->dai_link[2].codecs->name =
769 priv->dai_link[0].codecs->name;
770 priv->dai_link[2].cpus->of_node = cpu_np;
771 priv->dai_link[2].dai_fmt = priv->dai_fmt;
772 priv->card.num_links = 3;
773
774 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
775 &priv->asrc_rate);
776 if (ret) {
777 dev_err(&pdev->dev, "failed to get output rate\n");
778 ret = -EINVAL;
779 goto asrc_fail;
780 }
781
782 ret = of_property_read_u32(asrc_np, "fsl,asrc-format",
783 &priv->asrc_format);
784 if (ret) {
785
786 ret = of_property_read_u32(asrc_np, "fsl,asrc-width",
787 &width);
788 if (ret) {
789 dev_err(&pdev->dev,
790 "failed to decide output format\n");
791 goto asrc_fail;
792 }
793
794 if (width == 24)
795 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
796 else
797 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
798 }
799 }
800
801
802 platform_set_drvdata(pdev, priv);
803 snd_soc_card_set_drvdata(&priv->card, priv);
804
805 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
806 if (ret) {
807 if (ret != -EPROBE_DEFER)
808 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
809 goto asrc_fail;
810 }
811
812
813
814
815
816
817
818
819
820 if (of_property_read_bool(np, "hp-det-gpio")) {
821 ret = asoc_simple_init_jack(&priv->card, &priv->hp_jack,
822 1, NULL, "Headphone Jack");
823 if (ret)
824 goto asrc_fail;
825
826 snd_soc_jack_notifier_register(&priv->hp_jack.jack, &hp_jack_nb);
827 }
828
829 if (of_property_read_bool(np, "mic-det-gpio")) {
830 ret = asoc_simple_init_jack(&priv->card, &priv->mic_jack,
831 0, NULL, "Mic Jack");
832 if (ret)
833 goto asrc_fail;
834
835 snd_soc_jack_notifier_register(&priv->mic_jack.jack, &mic_jack_nb);
836 }
837
838asrc_fail:
839 of_node_put(asrc_np);
840 of_node_put(codec_np);
841 put_device(&cpu_pdev->dev);
842fail:
843 of_node_put(cpu_np);
844
845 return ret;
846}
847
848static const struct of_device_id fsl_asoc_card_dt_ids[] = {
849 { .compatible = "fsl,imx-audio-ac97", },
850 { .compatible = "fsl,imx-audio-cs42888", },
851 { .compatible = "fsl,imx-audio-cs427x", },
852 { .compatible = "fsl,imx-audio-sgtl5000", },
853 { .compatible = "fsl,imx-audio-wm8962", },
854 { .compatible = "fsl,imx-audio-wm8960", },
855 { .compatible = "fsl,imx-audio-mqs", },
856 { .compatible = "fsl,imx-audio-wm8524", },
857 {}
858};
859MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);
860
861static struct platform_driver fsl_asoc_card_driver = {
862 .probe = fsl_asoc_card_probe,
863 .driver = {
864 .name = "fsl-asoc-card",
865 .pm = &snd_soc_pm_ops,
866 .of_match_table = fsl_asoc_card_dt_ids,
867 },
868};
869module_platform_driver(fsl_asoc_card_driver);
870
871MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC");
872MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>");
873MODULE_ALIAS("platform:fsl-asoc-card");
874MODULE_LICENSE("GPL");
875
