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