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6
7#include <linux/clk.h>
8#include <linux/module.h>
9#include <linux/of.h>
10#include <linux/platform_device.h>
11
12#include <sound/core.h>
13#include <sound/pcm.h>
14#include <sound/pcm_params.h>
15#include <sound/soc.h>
16
17#include "davinci-mcasp.h"
18
19
20
21
22
23
24#define J721E_CODEC_CONF_COUNT 5
25
26enum j721e_audio_domain_id {
27 J721E_AUDIO_DOMAIN_CPB = 0,
28 J721E_AUDIO_DOMAIN_IVI,
29 J721E_AUDIO_DOMAIN_LAST,
30};
31
32#define J721E_CLK_PARENT_48000 0
33#define J721E_CLK_PARENT_44100 1
34
35#define J721E_MAX_CLK_HSDIV 128
36#define PCM1368A_MAX_SYSCLK 36864000
37
38#define J721E_DAI_FMT (SND_SOC_DAIFMT_RIGHT_J | \
39 SND_SOC_DAIFMT_NB_NF | \
40 SND_SOC_DAIFMT_CBS_CFS)
41
42enum j721e_board_type {
43 J721E_BOARD_CPB = 1,
44 J721E_BOARD_CPB_IVI,
45};
46
47struct j721e_audio_match_data {
48 enum j721e_board_type board_type;
49 int num_links;
50 unsigned int pll_rates[2];
51};
52
53static unsigned int ratios_for_pcm3168a[] = {
54 256,
55 512,
56 768,
57};
58
59struct j721e_audio_clocks {
60 struct clk *target;
61 struct clk *parent[2];
62};
63
64struct j721e_audio_domain {
65 struct j721e_audio_clocks codec;
66 struct j721e_audio_clocks mcasp;
67 int parent_clk_id;
68
69 int active;
70 unsigned int active_link;
71 unsigned int rate;
72};
73
74struct j721e_priv {
75 struct device *dev;
76 struct snd_soc_card card;
77 struct snd_soc_dai_link *dai_links;
78 struct snd_soc_codec_conf codec_conf[J721E_CODEC_CONF_COUNT];
79 struct snd_interval rate_range;
80 const struct j721e_audio_match_data *match_data;
81 u32 pll_rates[2];
82 unsigned int hsdiv_rates[2];
83
84 struct j721e_audio_domain audio_domains[J721E_AUDIO_DOMAIN_LAST];
85
86 struct mutex mutex;
87};
88
89static const struct snd_soc_dapm_widget j721e_cpb_dapm_widgets[] = {
90 SND_SOC_DAPM_HP("CPB Stereo HP 1", NULL),
91 SND_SOC_DAPM_HP("CPB Stereo HP 2", NULL),
92 SND_SOC_DAPM_HP("CPB Stereo HP 3", NULL),
93 SND_SOC_DAPM_LINE("CPB Line Out", NULL),
94 SND_SOC_DAPM_MIC("CPB Stereo Mic 1", NULL),
95 SND_SOC_DAPM_MIC("CPB Stereo Mic 2", NULL),
96 SND_SOC_DAPM_LINE("CPB Line In", NULL),
97};
98
99static const struct snd_soc_dapm_route j721e_cpb_dapm_routes[] = {
100 {"CPB Stereo HP 1", NULL, "codec-1 AOUT1L"},
101 {"CPB Stereo HP 1", NULL, "codec-1 AOUT1R"},
102 {"CPB Stereo HP 2", NULL, "codec-1 AOUT2L"},
103 {"CPB Stereo HP 2", NULL, "codec-1 AOUT2R"},
104 {"CPB Stereo HP 3", NULL, "codec-1 AOUT3L"},
105 {"CPB Stereo HP 3", NULL, "codec-1 AOUT3R"},
106 {"CPB Line Out", NULL, "codec-1 AOUT4L"},
107 {"CPB Line Out", NULL, "codec-1 AOUT4R"},
108
109 {"codec-1 AIN1L", NULL, "CPB Stereo Mic 1"},
110 {"codec-1 AIN1R", NULL, "CPB Stereo Mic 1"},
111 {"codec-1 AIN2L", NULL, "CPB Stereo Mic 2"},
112 {"codec-1 AIN2R", NULL, "CPB Stereo Mic 2"},
113 {"codec-1 AIN3L", NULL, "CPB Line In"},
114 {"codec-1 AIN3R", NULL, "CPB Line In"},
115};
116
117static const struct snd_soc_dapm_widget j721e_ivi_codec_a_dapm_widgets[] = {
118 SND_SOC_DAPM_LINE("IVI A Line Out 1", NULL),
119 SND_SOC_DAPM_LINE("IVI A Line Out 2", NULL),
120 SND_SOC_DAPM_LINE("IVI A Line Out 3", NULL),
121 SND_SOC_DAPM_LINE("IVI A Line Out 4", NULL),
122 SND_SOC_DAPM_MIC("IVI A Stereo Mic 1", NULL),
123 SND_SOC_DAPM_MIC("IVI A Stereo Mic 2", NULL),
124 SND_SOC_DAPM_LINE("IVI A Line In", NULL),
125};
126
127static const struct snd_soc_dapm_route j721e_codec_a_dapm_routes[] = {
128 {"IVI A Line Out 1", NULL, "codec-a AOUT1L"},
129 {"IVI A Line Out 1", NULL, "codec-a AOUT1R"},
130 {"IVI A Line Out 2", NULL, "codec-a AOUT2L"},
131 {"IVI A Line Out 2", NULL, "codec-a AOUT2R"},
132 {"IVI A Line Out 3", NULL, "codec-a AOUT3L"},
133 {"IVI A Line Out 3", NULL, "codec-a AOUT3R"},
134 {"IVI A Line Out 4", NULL, "codec-a AOUT4L"},
135 {"IVI A Line Out 4", NULL, "codec-a AOUT4R"},
136
137 {"codec-a AIN1L", NULL, "IVI A Stereo Mic 1"},
138 {"codec-a AIN1R", NULL, "IVI A Stereo Mic 1"},
139 {"codec-a AIN2L", NULL, "IVI A Stereo Mic 2"},
140 {"codec-a AIN2R", NULL, "IVI A Stereo Mic 2"},
141 {"codec-a AIN3L", NULL, "IVI A Line In"},
142 {"codec-a AIN3R", NULL, "IVI A Line In"},
143};
144
145static const struct snd_soc_dapm_widget j721e_ivi_codec_b_dapm_widgets[] = {
146 SND_SOC_DAPM_LINE("IVI B Line Out 1", NULL),
147 SND_SOC_DAPM_LINE("IVI B Line Out 2", NULL),
148 SND_SOC_DAPM_LINE("IVI B Line Out 3", NULL),
149 SND_SOC_DAPM_LINE("IVI B Line Out 4", NULL),
150 SND_SOC_DAPM_MIC("IVI B Stereo Mic 1", NULL),
151 SND_SOC_DAPM_MIC("IVI B Stereo Mic 2", NULL),
152 SND_SOC_DAPM_LINE("IVI B Line In", NULL),
153};
154
155static const struct snd_soc_dapm_route j721e_codec_b_dapm_routes[] = {
156 {"IVI B Line Out 1", NULL, "codec-b AOUT1L"},
157 {"IVI B Line Out 1", NULL, "codec-b AOUT1R"},
158 {"IVI B Line Out 2", NULL, "codec-b AOUT2L"},
159 {"IVI B Line Out 2", NULL, "codec-b AOUT2R"},
160 {"IVI B Line Out 3", NULL, "codec-b AOUT3L"},
161 {"IVI B Line Out 3", NULL, "codec-b AOUT3R"},
162 {"IVI B Line Out 4", NULL, "codec-b AOUT4L"},
163 {"IVI B Line Out 4", NULL, "codec-b AOUT4R"},
164
165 {"codec-b AIN1L", NULL, "IVI B Stereo Mic 1"},
166 {"codec-b AIN1R", NULL, "IVI B Stereo Mic 1"},
167 {"codec-b AIN2L", NULL, "IVI B Stereo Mic 2"},
168 {"codec-b AIN2R", NULL, "IVI B Stereo Mic 2"},
169 {"codec-b AIN3L", NULL, "IVI B Line In"},
170 {"codec-b AIN3R", NULL, "IVI B Line In"},
171};
172
173static int j721e_configure_refclk(struct j721e_priv *priv,
174 unsigned int audio_domain, unsigned int rate)
175{
176 struct j721e_audio_domain *domain = &priv->audio_domains[audio_domain];
177 unsigned int scki;
178 int ret = -EINVAL;
179 int i, clk_id;
180
181 if (!(rate % 8000) && priv->pll_rates[J721E_CLK_PARENT_48000])
182 clk_id = J721E_CLK_PARENT_48000;
183 else if (!(rate % 11025) && priv->pll_rates[J721E_CLK_PARENT_44100])
184 clk_id = J721E_CLK_PARENT_44100;
185 else
186 return ret;
187
188 for (i = 0; i < ARRAY_SIZE(ratios_for_pcm3168a); i++) {
189 scki = ratios_for_pcm3168a[i] * rate;
190
191 if (priv->pll_rates[clk_id] / scki <= J721E_MAX_CLK_HSDIV) {
192 ret = 0;
193 break;
194 }
195 }
196
197 if (ret) {
198 dev_err(priv->dev, "No valid clock configuration for %u Hz\n",
199 rate);
200 return ret;
201 }
202
203 if (domain->parent_clk_id == -1 || priv->hsdiv_rates[domain->parent_clk_id] != scki) {
204 dev_dbg(priv->dev,
205 "domain%u configuration for %u Hz: %s, %dxFS (SCKI: %u Hz)\n",
206 audio_domain, rate,
207 clk_id == J721E_CLK_PARENT_48000 ? "PLL4" : "PLL15",
208 ratios_for_pcm3168a[i], scki);
209
210 if (domain->parent_clk_id != clk_id) {
211 ret = clk_set_parent(domain->codec.target,
212 domain->codec.parent[clk_id]);
213 if (ret)
214 return ret;
215
216 ret = clk_set_parent(domain->mcasp.target,
217 domain->mcasp.parent[clk_id]);
218 if (ret)
219 return ret;
220
221 domain->parent_clk_id = clk_id;
222 }
223
224 ret = clk_set_rate(domain->codec.target, scki);
225 if (ret) {
226 dev_err(priv->dev, "codec set rate failed for %u Hz\n",
227 scki);
228 return ret;
229 }
230
231 ret = clk_set_rate(domain->mcasp.target, scki);
232 if (!ret) {
233 priv->hsdiv_rates[domain->parent_clk_id] = scki;
234 } else {
235 dev_err(priv->dev, "mcasp set rate failed for %u Hz\n",
236 scki);
237 return ret;
238 }
239 }
240
241 return ret;
242}
243
244static int j721e_rule_rate(struct snd_pcm_hw_params *params,
245 struct snd_pcm_hw_rule *rule)
246{
247 struct snd_interval *t = rule->private;
248
249 return snd_interval_refine(hw_param_interval(params, rule->var), t);
250}
251
252static int j721e_audio_startup(struct snd_pcm_substream *substream)
253{
254 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
255 struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
256 unsigned int domain_id = rtd->dai_link->id;
257 struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
258 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
259 struct snd_soc_dai *codec_dai;
260 unsigned int active_rate;
261 int ret = 0;
262 int i;
263
264 mutex_lock(&priv->mutex);
265
266 domain->active++;
267
268 for (i = 0; i < J721E_AUDIO_DOMAIN_LAST; i++) {
269 active_rate = priv->audio_domains[i].rate;
270 if (active_rate)
271 break;
272 }
273
274 if (active_rate)
275 ret = snd_pcm_hw_constraint_single(substream->runtime,
276 SNDRV_PCM_HW_PARAM_RATE,
277 active_rate);
278 else
279 ret = snd_pcm_hw_rule_add(substream->runtime, 0,
280 SNDRV_PCM_HW_PARAM_RATE,
281 j721e_rule_rate, &priv->rate_range,
282 SNDRV_PCM_HW_PARAM_RATE, -1);
283
284
285 if (ret)
286 goto out;
287
288
289 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32);
290 if (ret && ret != -ENOTSUPP)
291 goto out;
292
293 for_each_rtd_codec_dais(rtd, i, codec_dai) {
294 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32);
295 if (ret && ret != -ENOTSUPP)
296 goto out;
297 }
298
299 if (ret == -ENOTSUPP)
300 ret = 0;
301out:
302 if (ret)
303 domain->active--;
304 mutex_unlock(&priv->mutex);
305
306 return ret;
307}
308
309static int j721e_audio_hw_params(struct snd_pcm_substream *substream,
310 struct snd_pcm_hw_params *params)
311{
312 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
313 struct snd_soc_card *card = rtd->card;
314 struct j721e_priv *priv = snd_soc_card_get_drvdata(card);
315 unsigned int domain_id = rtd->dai_link->id;
316 struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
317 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
318 struct snd_soc_dai *codec_dai;
319 unsigned int sysclk_rate;
320 int slot_width = 32;
321 int ret;
322 int i;
323
324 mutex_lock(&priv->mutex);
325
326 if (domain->rate && domain->rate != params_rate(params)) {
327 ret = -EINVAL;
328 goto out;
329 }
330
331 if (params_width(params) == 16)
332 slot_width = 16;
333
334 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, slot_width);
335 if (ret && ret != -ENOTSUPP)
336 goto out;
337
338 for_each_rtd_codec_dais(rtd, i, codec_dai) {
339 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2,
340 slot_width);
341 if (ret && ret != -ENOTSUPP)
342 goto out;
343 }
344
345 ret = j721e_configure_refclk(priv, domain_id, params_rate(params));
346 if (ret)
347 goto out;
348
349 sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id];
350 for_each_rtd_codec_dais(rtd, i, codec_dai) {
351 ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk_rate,
352 SND_SOC_CLOCK_IN);
353 if (ret && ret != -ENOTSUPP) {
354 dev_err(priv->dev,
355 "codec set_sysclk failed for %u Hz\n",
356 sysclk_rate);
357 goto out;
358 }
359 }
360
361 ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK,
362 sysclk_rate, SND_SOC_CLOCK_IN);
363
364 if (ret && ret != -ENOTSUPP) {
365 dev_err(priv->dev, "mcasp set_sysclk failed for %u Hz\n",
366 sysclk_rate);
367 } else {
368 domain->rate = params_rate(params);
369 ret = 0;
370 }
371
372out:
373 mutex_unlock(&priv->mutex);
374 return ret;
375}
376
377static void j721e_audio_shutdown(struct snd_pcm_substream *substream)
378{
379 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
380 struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
381 unsigned int domain_id = rtd->dai_link->id;
382 struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
383
384 mutex_lock(&priv->mutex);
385
386 domain->active--;
387 if (!domain->active) {
388 domain->rate = 0;
389 domain->active_link = 0;
390 }
391
392 mutex_unlock(&priv->mutex);
393}
394
395static const struct snd_soc_ops j721e_audio_ops = {
396 .startup = j721e_audio_startup,
397 .hw_params = j721e_audio_hw_params,
398 .shutdown = j721e_audio_shutdown,
399};
400
401static int j721e_audio_init(struct snd_soc_pcm_runtime *rtd)
402{
403 struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
404 unsigned int domain_id = rtd->dai_link->id;
405 struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
406 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
407 struct snd_soc_dai *codec_dai;
408 unsigned int sysclk_rate;
409 int i, ret;
410
411
412 ret = j721e_configure_refclk(priv, domain_id, 48000);
413 if (ret)
414 return ret;
415
416 sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id];
417 for_each_rtd_codec_dais(rtd, i, codec_dai) {
418 ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk_rate,
419 SND_SOC_CLOCK_IN);
420 if (ret && ret != -ENOTSUPP)
421 return ret;
422 }
423
424 ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK,
425 sysclk_rate, SND_SOC_CLOCK_IN);
426 if (ret && ret != -ENOTSUPP)
427 return ret;
428
429
430 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32);
431 if (ret && ret != -ENOTSUPP)
432 return ret;
433
434 for_each_rtd_codec_dais(rtd, i, codec_dai) {
435 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32);
436 if (ret && ret != -ENOTSUPP)
437 return ret;
438 }
439
440 return 0;
441}
442
443static int j721e_audio_init_ivi(struct snd_soc_pcm_runtime *rtd)
444{
445 struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
446
447 snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_a_dapm_widgets,
448 ARRAY_SIZE(j721e_ivi_codec_a_dapm_widgets));
449 snd_soc_dapm_add_routes(dapm, j721e_codec_a_dapm_routes,
450 ARRAY_SIZE(j721e_codec_a_dapm_routes));
451 snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_b_dapm_widgets,
452 ARRAY_SIZE(j721e_ivi_codec_b_dapm_widgets));
453 snd_soc_dapm_add_routes(dapm, j721e_codec_b_dapm_routes,
454 ARRAY_SIZE(j721e_codec_b_dapm_routes));
455
456 return j721e_audio_init(rtd);
457}
458
459static int j721e_get_clocks(struct device *dev,
460 struct j721e_audio_clocks *clocks, char *prefix)
461{
462 struct clk *parent;
463 char *clk_name;
464 int ret;
465
466 clocks->target = devm_clk_get(dev, prefix);
467 if (IS_ERR(clocks->target)) {
468 ret = PTR_ERR(clocks->target);
469 if (ret != -EPROBE_DEFER)
470 dev_err(dev, "failed to acquire %s: %d\n",
471 prefix, ret);
472 return ret;
473 }
474
475 clk_name = kasprintf(GFP_KERNEL, "%s-48000", prefix);
476 if (clk_name) {
477 parent = devm_clk_get(dev, clk_name);
478 kfree(clk_name);
479 if (IS_ERR(parent)) {
480 ret = PTR_ERR(parent);
481 if (ret == -EPROBE_DEFER)
482 return ret;
483
484 dev_dbg(dev, "no 48KHz parent for %s: %d\n", prefix, ret);
485 parent = NULL;
486 }
487 clocks->parent[J721E_CLK_PARENT_48000] = parent;
488 } else {
489 return -ENOMEM;
490 }
491
492 clk_name = kasprintf(GFP_KERNEL, "%s-44100", prefix);
493 if (clk_name) {
494 parent = devm_clk_get(dev, clk_name);
495 kfree(clk_name);
496 if (IS_ERR(parent)) {
497 ret = PTR_ERR(parent);
498 if (ret == -EPROBE_DEFER)
499 return ret;
500
501 dev_dbg(dev, "no 44.1KHz parent for %s: %d\n", prefix, ret);
502 parent = NULL;
503 }
504 clocks->parent[J721E_CLK_PARENT_44100] = parent;
505 } else {
506 return -ENOMEM;
507 }
508
509 if (!clocks->parent[J721E_CLK_PARENT_44100] &&
510 !clocks->parent[J721E_CLK_PARENT_48000]) {
511 dev_err(dev, "At least one parent clock is needed for %s\n",
512 prefix);
513 return -EINVAL;
514 }
515
516 return 0;
517}
518
519static const struct j721e_audio_match_data j721e_cpb_data = {
520 .board_type = J721E_BOARD_CPB,
521 .num_links = 2,
522 .pll_rates = {
523 [J721E_CLK_PARENT_44100] = 1083801600,
524 [J721E_CLK_PARENT_48000] = 1179648000,
525 },
526};
527
528static const struct j721e_audio_match_data j721e_cpb_ivi_data = {
529 .board_type = J721E_BOARD_CPB_IVI,
530 .num_links = 4,
531 .pll_rates = {
532 [J721E_CLK_PARENT_44100] = 1083801600,
533 [J721E_CLK_PARENT_48000] = 1179648000,
534 },
535};
536
537static const struct j721e_audio_match_data j7200_cpb_data = {
538 .board_type = J721E_BOARD_CPB,
539 .num_links = 2,
540 .pll_rates = {
541 [J721E_CLK_PARENT_48000] = 2359296000u,
542 },
543};
544
545static const struct of_device_id j721e_audio_of_match[] = {
546 {
547 .compatible = "ti,j721e-cpb-audio",
548 .data = &j721e_cpb_data,
549 }, {
550 .compatible = "ti,j721e-cpb-ivi-audio",
551 .data = &j721e_cpb_ivi_data,
552 }, {
553 .compatible = "ti,j7200-cpb-audio",
554 .data = &j7200_cpb_data,
555 },
556 { },
557};
558MODULE_DEVICE_TABLE(of, j721e_audio_of_match);
559
560static int j721e_calculate_rate_range(struct j721e_priv *priv)
561{
562 const struct j721e_audio_match_data *match_data = priv->match_data;
563 struct j721e_audio_clocks *domain_clocks;
564 unsigned int min_rate, max_rate, pll_rate;
565 struct clk *pll;
566
567 domain_clocks = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].mcasp;
568
569 pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_44100]);
570 if (IS_ERR_OR_NULL(pll)) {
571 priv->pll_rates[J721E_CLK_PARENT_44100] =
572 match_data->pll_rates[J721E_CLK_PARENT_44100];
573 } else {
574 priv->pll_rates[J721E_CLK_PARENT_44100] = clk_get_rate(pll);
575 clk_put(pll);
576 }
577
578 pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_48000]);
579 if (IS_ERR_OR_NULL(pll)) {
580 priv->pll_rates[J721E_CLK_PARENT_48000] =
581 match_data->pll_rates[J721E_CLK_PARENT_48000];
582 } else {
583 priv->pll_rates[J721E_CLK_PARENT_48000] = clk_get_rate(pll);
584 clk_put(pll);
585 }
586
587 if (!priv->pll_rates[J721E_CLK_PARENT_44100] &&
588 !priv->pll_rates[J721E_CLK_PARENT_48000]) {
589 dev_err(priv->dev, "At least one PLL is needed\n");
590 return -EINVAL;
591 }
592
593 if (priv->pll_rates[J721E_CLK_PARENT_44100])
594 pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100];
595 else
596 pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000];
597
598 min_rate = pll_rate / J721E_MAX_CLK_HSDIV;
599 min_rate /= ratios_for_pcm3168a[ARRAY_SIZE(ratios_for_pcm3168a) - 1];
600
601 if (priv->pll_rates[J721E_CLK_PARENT_48000])
602 pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000];
603 else
604 pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100];
605
606 if (pll_rate > PCM1368A_MAX_SYSCLK)
607 pll_rate = PCM1368A_MAX_SYSCLK;
608
609 max_rate = pll_rate / ratios_for_pcm3168a[0];
610
611 snd_interval_any(&priv->rate_range);
612 priv->rate_range.min = min_rate;
613 priv->rate_range.max = max_rate;
614
615 return 0;
616}
617
618static int j721e_soc_probe_cpb(struct j721e_priv *priv, int *link_idx,
619 int *conf_idx)
620{
621 struct device_node *node = priv->dev->of_node;
622 struct snd_soc_dai_link_component *compnent;
623 struct device_node *dai_node, *codec_node;
624 struct j721e_audio_domain *domain;
625 int comp_count, comp_idx;
626 int ret;
627
628 dai_node = of_parse_phandle(node, "ti,cpb-mcasp", 0);
629 if (!dai_node) {
630 dev_err(priv->dev, "CPB McASP node is not provided\n");
631 return -EINVAL;
632 }
633
634 codec_node = of_parse_phandle(node, "ti,cpb-codec", 0);
635 if (!codec_node) {
636 dev_err(priv->dev, "CPB codec node is not provided\n");
637 return -EINVAL;
638 }
639
640 domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB];
641 ret = j721e_get_clocks(priv->dev, &domain->codec, "cpb-codec-scki");
642 if (ret)
643 return ret;
644
645 ret = j721e_get_clocks(priv->dev, &domain->mcasp, "cpb-mcasp-auxclk");
646 if (ret)
647 return ret;
648
649
650
651
652
653
654 comp_count = 6;
655 compnent = devm_kzalloc(priv->dev, comp_count * sizeof(*compnent),
656 GFP_KERNEL);
657 if (!compnent)
658 return -ENOMEM;
659
660 comp_idx = 0;
661 priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
662 priv->dai_links[*link_idx].num_cpus = 1;
663 priv->dai_links[*link_idx].codecs = &compnent[comp_idx++];
664 priv->dai_links[*link_idx].num_codecs = 1;
665 priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
666 priv->dai_links[*link_idx].num_platforms = 1;
667
668 priv->dai_links[*link_idx].name = "CPB PCM3168A Playback";
669 priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog";
670 priv->dai_links[*link_idx].cpus->of_node = dai_node;
671 priv->dai_links[*link_idx].platforms->of_node = dai_node;
672 priv->dai_links[*link_idx].codecs->of_node = codec_node;
673 priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-dac";
674 priv->dai_links[*link_idx].playback_only = 1;
675 priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB;
676 priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
677 priv->dai_links[*link_idx].init = j721e_audio_init;
678 priv->dai_links[*link_idx].ops = &j721e_audio_ops;
679 (*link_idx)++;
680
681 priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
682 priv->dai_links[*link_idx].num_cpus = 1;
683 priv->dai_links[*link_idx].codecs = &compnent[comp_idx++];
684 priv->dai_links[*link_idx].num_codecs = 1;
685 priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
686 priv->dai_links[*link_idx].num_platforms = 1;
687
688 priv->dai_links[*link_idx].name = "CPB PCM3168A Capture";
689 priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog";
690 priv->dai_links[*link_idx].cpus->of_node = dai_node;
691 priv->dai_links[*link_idx].platforms->of_node = dai_node;
692 priv->dai_links[*link_idx].codecs->of_node = codec_node;
693 priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-adc";
694 priv->dai_links[*link_idx].capture_only = 1;
695 priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB;
696 priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
697 priv->dai_links[*link_idx].init = j721e_audio_init;
698 priv->dai_links[*link_idx].ops = &j721e_audio_ops;
699 (*link_idx)++;
700
701 priv->codec_conf[*conf_idx].dlc.of_node = codec_node;
702 priv->codec_conf[*conf_idx].name_prefix = "codec-1";
703 (*conf_idx)++;
704 priv->codec_conf[*conf_idx].dlc.of_node = dai_node;
705 priv->codec_conf[*conf_idx].name_prefix = "McASP10";
706 (*conf_idx)++;
707
708 return 0;
709}
710
711static int j721e_soc_probe_ivi(struct j721e_priv *priv, int *link_idx,
712 int *conf_idx)
713{
714 struct device_node *node = priv->dev->of_node;
715 struct snd_soc_dai_link_component *compnent;
716 struct device_node *dai_node, *codeca_node, *codecb_node;
717 struct j721e_audio_domain *domain;
718 int comp_count, comp_idx;
719 int ret;
720
721 if (priv->match_data->board_type != J721E_BOARD_CPB_IVI)
722 return 0;
723
724 dai_node = of_parse_phandle(node, "ti,ivi-mcasp", 0);
725 if (!dai_node) {
726 dev_err(priv->dev, "IVI McASP node is not provided\n");
727 return -EINVAL;
728 }
729
730 codeca_node = of_parse_phandle(node, "ti,ivi-codec-a", 0);
731 if (!codeca_node) {
732 dev_err(priv->dev, "IVI codec-a node is not provided\n");
733 return -EINVAL;
734 }
735
736 codecb_node = of_parse_phandle(node, "ti,ivi-codec-b", 0);
737 if (!codecb_node) {
738 dev_warn(priv->dev, "IVI codec-b node is not provided\n");
739 return 0;
740 }
741
742 domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_IVI];
743 ret = j721e_get_clocks(priv->dev, &domain->codec, "ivi-codec-scki");
744 if (ret)
745 return ret;
746
747 ret = j721e_get_clocks(priv->dev, &domain->mcasp, "ivi-mcasp-auxclk");
748 if (ret)
749 return ret;
750
751
752
753
754
755
756
757
758 comp_count = 8;
759 compnent = devm_kzalloc(priv->dev, comp_count * sizeof(*compnent),
760 GFP_KERNEL);
761 if (!compnent)
762 return -ENOMEM;
763
764 comp_idx = 0;
765 priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
766 priv->dai_links[*link_idx].num_cpus = 1;
767 priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
768 priv->dai_links[*link_idx].num_platforms = 1;
769 priv->dai_links[*link_idx].codecs = &compnent[comp_idx];
770 priv->dai_links[*link_idx].num_codecs = 2;
771 comp_idx += 2;
772
773 priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Playback";
774 priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog";
775 priv->dai_links[*link_idx].cpus->of_node = dai_node;
776 priv->dai_links[*link_idx].platforms->of_node = dai_node;
777 priv->dai_links[*link_idx].codecs[0].of_node = codeca_node;
778 priv->dai_links[*link_idx].codecs[0].dai_name = "pcm3168a-dac";
779 priv->dai_links[*link_idx].codecs[1].of_node = codecb_node;
780 priv->dai_links[*link_idx].codecs[1].dai_name = "pcm3168a-dac";
781 priv->dai_links[*link_idx].playback_only = 1;
782 priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI;
783 priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
784 priv->dai_links[*link_idx].init = j721e_audio_init_ivi;
785 priv->dai_links[*link_idx].ops = &j721e_audio_ops;
786 (*link_idx)++;
787
788 priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
789 priv->dai_links[*link_idx].num_cpus = 1;
790 priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
791 priv->dai_links[*link_idx].num_platforms = 1;
792 priv->dai_links[*link_idx].codecs = &compnent[comp_idx];
793 priv->dai_links[*link_idx].num_codecs = 2;
794
795 priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Capture";
796 priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog";
797 priv->dai_links[*link_idx].cpus->of_node = dai_node;
798 priv->dai_links[*link_idx].platforms->of_node = dai_node;
799 priv->dai_links[*link_idx].codecs[0].of_node = codeca_node;
800 priv->dai_links[*link_idx].codecs[0].dai_name = "pcm3168a-adc";
801 priv->dai_links[*link_idx].codecs[1].of_node = codecb_node;
802 priv->dai_links[*link_idx].codecs[1].dai_name = "pcm3168a-adc";
803 priv->dai_links[*link_idx].capture_only = 1;
804 priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI;
805 priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
806 priv->dai_links[*link_idx].init = j721e_audio_init;
807 priv->dai_links[*link_idx].ops = &j721e_audio_ops;
808 (*link_idx)++;
809
810 priv->codec_conf[*conf_idx].dlc.of_node = codeca_node;
811 priv->codec_conf[*conf_idx].name_prefix = "codec-a";
812 (*conf_idx)++;
813
814 priv->codec_conf[*conf_idx].dlc.of_node = codecb_node;
815 priv->codec_conf[*conf_idx].name_prefix = "codec-b";
816 (*conf_idx)++;
817
818 priv->codec_conf[*conf_idx].dlc.of_node = dai_node;
819 priv->codec_conf[*conf_idx].name_prefix = "McASP0";
820 (*conf_idx)++;
821
822 return 0;
823}
824
825static int j721e_soc_probe(struct platform_device *pdev)
826{
827 struct device_node *node = pdev->dev.of_node;
828 struct snd_soc_card *card;
829 const struct of_device_id *match;
830 struct j721e_priv *priv;
831 int link_cnt, conf_cnt, ret, i;
832
833 if (!node) {
834 dev_err(&pdev->dev, "of node is missing.\n");
835 return -ENODEV;
836 }
837
838 match = of_match_node(j721e_audio_of_match, node);
839 if (!match) {
840 dev_err(&pdev->dev, "No compatible match found\n");
841 return -ENODEV;
842 }
843
844 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
845 if (!priv)
846 return -ENOMEM;
847
848 priv->match_data = match->data;
849
850 priv->dai_links = devm_kcalloc(&pdev->dev, priv->match_data->num_links,
851 sizeof(*priv->dai_links), GFP_KERNEL);
852 if (!priv->dai_links)
853 return -ENOMEM;
854
855 for (i = 0; i < J721E_AUDIO_DOMAIN_LAST; i++)
856 priv->audio_domains[i].parent_clk_id = -1;
857
858 priv->dev = &pdev->dev;
859 card = &priv->card;
860 card->dev = &pdev->dev;
861 card->owner = THIS_MODULE;
862 card->dapm_widgets = j721e_cpb_dapm_widgets;
863 card->num_dapm_widgets = ARRAY_SIZE(j721e_cpb_dapm_widgets);
864 card->dapm_routes = j721e_cpb_dapm_routes;
865 card->num_dapm_routes = ARRAY_SIZE(j721e_cpb_dapm_routes);
866 card->fully_routed = 1;
867
868 if (snd_soc_of_parse_card_name(card, "model")) {
869 dev_err(&pdev->dev, "Card name is not provided\n");
870 return -ENODEV;
871 }
872
873 link_cnt = 0;
874 conf_cnt = 0;
875 ret = j721e_soc_probe_cpb(priv, &link_cnt, &conf_cnt);
876 if (ret)
877 return ret;
878
879 ret = j721e_soc_probe_ivi(priv, &link_cnt, &conf_cnt);
880 if (ret)
881 return ret;
882
883 card->dai_link = priv->dai_links;
884 card->num_links = link_cnt;
885
886 card->codec_conf = priv->codec_conf;
887 card->num_configs = conf_cnt;
888
889 ret = j721e_calculate_rate_range(priv);
890 if (ret)
891 return ret;
892
893 snd_soc_card_set_drvdata(card, priv);
894
895 mutex_init(&priv->mutex);
896 ret = devm_snd_soc_register_card(&pdev->dev, card);
897 if (ret)
898 dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
899 ret);
900
901 return ret;
902}
903
904static struct platform_driver j721e_soc_driver = {
905 .driver = {
906 .name = "j721e-audio",
907 .pm = &snd_soc_pm_ops,
908 .of_match_table = j721e_audio_of_match,
909 },
910 .probe = j721e_soc_probe,
911};
912
913module_platform_driver(j721e_soc_driver);
914
915MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
916MODULE_DESCRIPTION("ASoC machine driver for j721e Common Processor Board");
917MODULE_LICENSE("GPL v2");
918
