1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
4 * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de
5 * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch
6 *
7 * Initial development of this code was funded by
8 * Phytec Messtechnik GmbH, https://www.phytec.de
9 */
10#include <linux/module.h>
11#include <linux/device.h>
12#include <linux/of.h>
13#include <linux/mfd/mc13xxx.h>
14#include <linux/slab.h>
15#include <sound/core.h>
16#include <sound/control.h>
17#include <sound/pcm.h>
18#include <sound/soc.h>
19#include <sound/initval.h>
20#include <sound/soc-dapm.h>
21#include <linux/regmap.h>
22
23#include "mc13783.h"
24
25#define AUDIO_RX0_ALSPEN		(1 << 5)
26#define AUDIO_RX0_ALSPSEL		(1 << 7)
27#define AUDIO_RX0_ADDCDC		(1 << 21)
28#define AUDIO_RX0_ADDSTDC		(1 << 22)
29#define AUDIO_RX0_ADDRXIN		(1 << 23)
30
31#define AUDIO_RX1_PGARXEN		(1 << 0);
32#define AUDIO_RX1_PGASTEN		(1 << 5)
33#define AUDIO_RX1_ARXINEN		(1 << 10)
34
35#define AUDIO_TX_AMC1REN		(1 << 5)
36#define AUDIO_TX_AMC1LEN		(1 << 7)
37#define AUDIO_TX_AMC2EN			(1 << 9)
38#define AUDIO_TX_ATXINEN		(1 << 11)
39#define AUDIO_TX_RXINREC		(1 << 13)
40
41#define SSI_NETWORK_CDCTXRXSLOT(x)	(((x) & 0x3) << 2)
42#define SSI_NETWORK_CDCTXSECSLOT(x)	(((x) & 0x3) << 4)
43#define SSI_NETWORK_CDCRXSECSLOT(x)	(((x) & 0x3) << 6)
44#define SSI_NETWORK_CDCRXSECGAIN(x)	(((x) & 0x3) << 8)
45#define SSI_NETWORK_CDCSUMGAIN(x)	(1 << 10)
46#define SSI_NETWORK_CDCFSDLY(x)		(1 << 11)
47#define SSI_NETWORK_DAC_SLOTS_8		(1 << 12)
48#define SSI_NETWORK_DAC_SLOTS_4		(2 << 12)
49#define SSI_NETWORK_DAC_SLOTS_2		(3 << 12)
50#define SSI_NETWORK_DAC_SLOT_MASK	(3 << 12)
51#define SSI_NETWORK_DAC_RXSLOT_0_1	(0 << 14)
52#define SSI_NETWORK_DAC_RXSLOT_2_3	(1 << 14)
53#define SSI_NETWORK_DAC_RXSLOT_4_5	(2 << 14)
54#define SSI_NETWORK_DAC_RXSLOT_6_7	(3 << 14)
55#define SSI_NETWORK_DAC_RXSLOT_MASK	(3 << 14)
56#define SSI_NETWORK_STDCRXSECSLOT(x)	(((x) & 0x3) << 16)
57#define SSI_NETWORK_STDCRXSECGAIN(x)	(((x) & 0x3) << 18)
58#define SSI_NETWORK_STDCSUMGAIN		(1 << 20)
59
60/*
61 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
62 * register layout
63 */
64#define AUDIO_SSI_SEL			(1 << 0)
65#define AUDIO_CLK_SEL			(1 << 1)
66#define AUDIO_CSM			(1 << 2)
67#define AUDIO_BCL_INV			(1 << 3)
68#define AUDIO_CFS_INV			(1 << 4)
69#define AUDIO_CFS(x)			(((x) & 0x3) << 5)
70#define AUDIO_CLK(x)			(((x) & 0x7) << 7)
71#define AUDIO_C_EN			(1 << 11)
72#define AUDIO_C_CLK_EN			(1 << 12)
73#define AUDIO_C_RESET			(1 << 15)
74
75#define AUDIO_CODEC_CDCFS8K16K		(1 << 10)
76#define AUDIO_DAC_CFS_DLY_B		(1 << 10)
77
78struct mc13783_priv {
79	struct mc13xxx *mc13xxx;
80	struct regmap *regmap;
81
82	enum mc13783_ssi_port adc_ssi_port;
83	enum mc13783_ssi_port dac_ssi_port;
84};
85
86/* Mapping between sample rates and register value */
87static unsigned int mc13783_rates[] = {
88	8000, 11025, 12000, 16000,
89	22050, 24000, 32000, 44100,
90	48000, 64000, 96000
91};
92
93static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
94				struct snd_pcm_hw_params *params,
95				struct snd_soc_dai *dai)
96{
97	struct snd_soc_component *component = dai->component;
98	unsigned int rate = params_rate(params);
99	int i;
100
101	for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
102		if (rate == mc13783_rates[i]) {
103			snd_soc_component_update_bits(component, MC13783_AUDIO_DAC,
104					0xf << 17, i << 17);
105			return 0;
106		}
107	}
108
109	return -EINVAL;
110}
111
112static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
113				struct snd_pcm_hw_params *params,
114				struct snd_soc_dai *dai)
115{
116	struct snd_soc_component *component = dai->component;
117	unsigned int rate = params_rate(params);
118	unsigned int val;
119
120	switch (rate) {
121	case 8000:
122		val = 0;
123		break;
124	case 16000:
125		val = AUDIO_CODEC_CDCFS8K16K;
126		break;
127	default:
128		return -EINVAL;
129	}
130
131	snd_soc_component_update_bits(component, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
132			val);
133
134	return 0;
135}
136
137static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
138				struct snd_pcm_hw_params *params,
139				struct snd_soc_dai *dai)
140{
141	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
142		return mc13783_pcm_hw_params_dac(substream, params, dai);
143	else
144		return mc13783_pcm_hw_params_codec(substream, params, dai);
145}
146
147static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
148			unsigned int reg)
149{
150	struct snd_soc_component *component = dai->component;
151	unsigned int val = 0;
152	unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
153				AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
154
155
156	/* DAI mode */
157	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
158	case SND_SOC_DAIFMT_I2S:
159		val |= AUDIO_CFS(2);
160		break;
161	case SND_SOC_DAIFMT_DSP_A:
162		val |= AUDIO_CFS(1);
163		break;
164	default:
165		return -EINVAL;
166	}
167
168	/* DAI clock inversion */
169	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
170	case SND_SOC_DAIFMT_NB_NF:
171		val |= AUDIO_BCL_INV;
172		break;
173	case SND_SOC_DAIFMT_NB_IF:
174		val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
175		break;
176	case SND_SOC_DAIFMT_IB_NF:
177		break;
178	case SND_SOC_DAIFMT_IB_IF:
179		val |= AUDIO_CFS_INV;
180		break;
181	}
182
183	/* DAI clock master masks */
184	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
185	case SND_SOC_DAIFMT_CBM_CFM:
186		val |= AUDIO_C_CLK_EN;
187		break;
188	case SND_SOC_DAIFMT_CBS_CFS:
189		val |= AUDIO_CSM;
190		break;
191	case SND_SOC_DAIFMT_CBM_CFS:
192	case SND_SOC_DAIFMT_CBS_CFM:
193		return -EINVAL;
194	}
195
196	val |= AUDIO_C_RESET;
197
198	snd_soc_component_update_bits(component, reg, mask, val);
199
200	return 0;
201}
202
203static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
204{
205	if (dai->id == MC13783_ID_STEREO_DAC)
206		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
207	else
208		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
209}
210
211static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
212{
213	int ret;
214
215	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
216	if (ret)
217		return ret;
218
219	/*
220	 * In synchronous mode force the voice codec into slave mode
221	 * so that the clock / framesync from the stereo DAC is used
222	 */
223	fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
224	fmt |= SND_SOC_DAIFMT_CBS_CFS;
225	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
226
227	return ret;
228}
229
230static int mc13783_sysclk[] = {
231	13000000,
232	15360000,
233	16800000,
234	-1,
235	26000000,
236	-1, /* 12000000, invalid for voice codec */
237	-1, /* 3686400, invalid for voice codec */
238	33600000,
239};
240
241static int mc13783_set_sysclk(struct snd_soc_dai *dai,
242				  int clk_id, unsigned int freq, int dir,
243				  unsigned int reg)
244{
245	struct snd_soc_component *component = dai->component;
246	int clk;
247	unsigned int val = 0;
248	unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
249
250	for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
251		if (mc13783_sysclk[clk] < 0)
252			continue;
253		if (mc13783_sysclk[clk] == freq)
254			break;
255	}
256
257	if (clk == ARRAY_SIZE(mc13783_sysclk))
258		return -EINVAL;
259
260	if (clk_id == MC13783_CLK_CLIB)
261		val |= AUDIO_CLK_SEL;
262
263	val |= AUDIO_CLK(clk);
264
265	snd_soc_component_update_bits(component, reg, mask, val);
266
267	return 0;
268}
269
270static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
271				  int clk_id, unsigned int freq, int dir)
272{
273	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
274}
275
276static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
277				  int clk_id, unsigned int freq, int dir)
278{
279	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
280}
281
282static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
283				  int clk_id, unsigned int freq, int dir)
284{
285	int ret;
286
287	ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
288	if (ret)
289		return ret;
290
291	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
292}
293
294static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
295	unsigned int tx_mask, unsigned int rx_mask, int slots,
296	int slot_width)
297{
298	struct snd_soc_component *component = dai->component;
299	unsigned int val = 0;
300	unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
301				SSI_NETWORK_DAC_RXSLOT_MASK;
302
303	switch (slots) {
304	case 2:
305		val |= SSI_NETWORK_DAC_SLOTS_2;
306		break;
307	case 4:
308		val |= SSI_NETWORK_DAC_SLOTS_4;
309		break;
310	case 8:
311		val |= SSI_NETWORK_DAC_SLOTS_8;
312		break;
313	default:
314		return -EINVAL;
315	}
316
317	switch (rx_mask) {
318	case 0x03:
319		val |= SSI_NETWORK_DAC_RXSLOT_0_1;
320		break;
321	case 0x0c:
322		val |= SSI_NETWORK_DAC_RXSLOT_2_3;
323		break;
324	case 0x30:
325		val |= SSI_NETWORK_DAC_RXSLOT_4_5;
326		break;
327	case 0xc0:
328		val |= SSI_NETWORK_DAC_RXSLOT_6_7;
329		break;
330	default:
331		return -EINVAL;
332	}
333
334	snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
335
336	return 0;
337}
338
339static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
340	unsigned int tx_mask, unsigned int rx_mask, int slots,
341	int slot_width)
342{
343	struct snd_soc_component *component = dai->component;
344	unsigned int val = 0;
345	unsigned int mask = 0x3f;
346
347	if (slots != 4)
348		return -EINVAL;
349
350	if (tx_mask != 0x3)
351		return -EINVAL;
352
353	val |= (0x00 << 2);	/* primary timeslot RX/TX(?) is 0 */
354	val |= (0x01 << 4);	/* secondary timeslot TX is 1 */
355
356	snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
357
358	return 0;
359}
360
361static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
362	unsigned int tx_mask, unsigned int rx_mask, int slots,
363	int slot_width)
364{
365	int ret;
366
367	ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
368			slot_width);
369	if (ret)
370		return ret;
371
372	ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
373			slot_width);
374
375	return ret;
376}
377
378static const struct snd_kcontrol_new mc1l_amp_ctl =
379	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
380
381static const struct snd_kcontrol_new mc1r_amp_ctl =
382	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
383
384static const struct snd_kcontrol_new mc2_amp_ctl =
385	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
386
387static const struct snd_kcontrol_new atx_amp_ctl =
388	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
389
390
391/* Virtual mux. The chip does the input selection automatically
392 * as soon as we enable one input. */
393static const char * const adcl_enum_text[] = {
394	"MC1L", "RXINL",
395};
396
397static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
398
399static const struct snd_kcontrol_new left_input_mux =
400	SOC_DAPM_ENUM("Route", adcl_enum);
401
402static const char * const adcr_enum_text[] = {
403	"MC1R", "MC2", "RXINR", "TXIN",
404};
405
406static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
407
408static const struct snd_kcontrol_new right_input_mux =
409	SOC_DAPM_ENUM("Route", adcr_enum);
410
411static const struct snd_kcontrol_new samp_ctl =
412	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
413
414static const char * const speaker_amp_source_text[] = {
415	"CODEC", "Right"
416};
417static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
418			    speaker_amp_source_text);
419static const struct snd_kcontrol_new speaker_amp_source_mux =
420	SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
421
422static const char * const headset_amp_source_text[] = {
423	"CODEC", "Mixer"
424};
425
426static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
427			    headset_amp_source_text);
428static const struct snd_kcontrol_new headset_amp_source_mux =
429	SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
430
431static const struct snd_kcontrol_new cdcout_ctl =
432	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
433
434static const struct snd_kcontrol_new adc_bypass_ctl =
435	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
436
437static const struct snd_kcontrol_new lamp_ctl =
438	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
439
440static const struct snd_kcontrol_new hlamp_ctl =
441	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
442
443static const struct snd_kcontrol_new hramp_ctl =
444	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
445
446static const struct snd_kcontrol_new llamp_ctl =
447	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
448
449static const struct snd_kcontrol_new lramp_ctl =
450	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
451
452static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
453/* Input */
454	SND_SOC_DAPM_INPUT("MC1LIN"),
455	SND_SOC_DAPM_INPUT("MC1RIN"),
456	SND_SOC_DAPM_INPUT("MC2IN"),
457	SND_SOC_DAPM_INPUT("RXINR"),
458	SND_SOC_DAPM_INPUT("RXINL"),
459	SND_SOC_DAPM_INPUT("TXIN"),
460
461	SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
462	SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
463
464	SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
465	SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
466	SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
467	SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
468
469	SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
470			      &left_input_mux),
471	SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
472			      &right_input_mux),
473
474	SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
475			 &speaker_amp_source_mux),
476
477	SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
478			 &headset_amp_source_mux),
479
480	SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
481	SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
482
483	SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
484	SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
485
486	SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
487	SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
488			&adc_bypass_ctl),
489
490/* Output */
491	SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
492	SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
493	SND_SOC_DAPM_OUTPUT("RXOUTL"),
494	SND_SOC_DAPM_OUTPUT("RXOUTR"),
495	SND_SOC_DAPM_OUTPUT("HSL"),
496	SND_SOC_DAPM_OUTPUT("HSR"),
497	SND_SOC_DAPM_OUTPUT("LSPL"),
498	SND_SOC_DAPM_OUTPUT("LSP"),
499	SND_SOC_DAPM_OUTPUT("SP"),
500	SND_SOC_DAPM_OUTPUT("CDCOUT"),
501
502	SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
503			&cdcout_ctl),
504	SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
505			&samp_ctl),
506	SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
507	SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
508			&hlamp_ctl),
509	SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
510			&hramp_ctl),
511	SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
512			&llamp_ctl),
513	SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
514			&lramp_ctl),
515	SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
516	SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
517};
518
519static struct snd_soc_dapm_route mc13783_routes[] = {
520/* Input */
521	{ "MC1L Amp", NULL, "MC1LIN"},
522	{ "MC1R Amp", NULL, "MC1RIN" },
523	{ "MC2 Amp", NULL, "MC2IN" },
524	{ "TXIN Amp", NULL, "TXIN"},
525
526	{ "PGA Left Input Mux", "MC1L", "MC1L Amp" },
527	{ "PGA Left Input Mux", "RXINL", "RXINL"},
528	{ "PGA Right Input Mux", "MC1R", "MC1R Amp" },
529	{ "PGA Right Input Mux", "MC2",  "MC2 Amp"},
530	{ "PGA Right Input Mux", "TXIN", "TXIN Amp"},
531	{ "PGA Right Input Mux", "RXINR", "RXINR"},
532
533	{ "PGA Left Input", NULL, "PGA Left Input Mux"},
534	{ "PGA Right Input", NULL, "PGA Right Input Mux"},
535
536	{ "ADC", NULL, "PGA Left Input"},
537	{ "ADC", NULL, "PGA Right Input"},
538	{ "ADC", NULL, "ADC_Reset"},
539
540	{ "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
541
542	{ "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
543	{ "Speaker Amp Source MUX", "Right", "DAC PGA"},
544
545	{ "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
546	{ "Headset Amp Source MUX", "Mixer", "DAC PGA"},
547
548/* Output */
549	{ "HSL", NULL, "Headset Amp Left" },
550	{ "HSR", NULL, "Headset Amp Right"},
551	{ "RXOUTL", NULL, "Line out Amp Left"},
552	{ "RXOUTR", NULL, "Line out Amp Right"},
553	{ "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
554	{ "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
555	{ "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
556	{ "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
557	{ "Line out Amp Left", NULL, "DAC PGA"},
558	{ "Line out Amp Right", NULL, "DAC PGA"},
559	{ "DAC PGA", NULL, "DAC"},
560	{ "DAC", NULL, "DAC_E"},
561	{ "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
562};
563
564static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
565						"Mono", "Mono Mix"};
566
567static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
568			    MC13783_AUDIO_RX1, 16,
569			    mc13783_3d_mixer);
570
571static struct snd_kcontrol_new mc13783_control_list[] = {
572	SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
573	SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
574	SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
575	SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
576	SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
577
578	SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
579	SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
580	SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
581	SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
582
583	SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
584	SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
585
586	SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
587	SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
588
589	SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
590	SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
591
592	SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
593	SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
594};
595
596static int mc13783_probe(struct snd_soc_component *component)
597{
598	struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
599
600	snd_soc_component_init_regmap(component,
601				  dev_get_regmap(component->dev->parent, NULL));
602
603	/* these are the reset values */
604	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
605	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
606	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
607	mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
608	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
609	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
610
611	if (priv->adc_ssi_port == MC13783_SSI1_PORT)
612		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
613				AUDIO_SSI_SEL, 0);
614	else
615		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
616				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
617
618	if (priv->dac_ssi_port == MC13783_SSI1_PORT)
619		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
620				AUDIO_SSI_SEL, 0);
621	else
622		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
623				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
624
625	return 0;
626}
627
628static void mc13783_remove(struct snd_soc_component *component)
629{
630	struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
631
632	/* Make sure VAUDIOON is off */
633	mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
634}
635
636#define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
637
638#define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
639	SNDRV_PCM_FMTBIT_S24_LE)
640
641static const struct snd_soc_dai_ops mc13783_ops_dac = {
642	.hw_params	= mc13783_pcm_hw_params_dac,
643	.set_fmt	= mc13783_set_fmt_async,
644	.set_sysclk	= mc13783_set_sysclk_dac,
645	.set_tdm_slot	= mc13783_set_tdm_slot_dac,
646};
647
648static const struct snd_soc_dai_ops mc13783_ops_codec = {
649	.hw_params	= mc13783_pcm_hw_params_codec,
650	.set_fmt	= mc13783_set_fmt_async,
651	.set_sysclk	= mc13783_set_sysclk_codec,
652	.set_tdm_slot	= mc13783_set_tdm_slot_codec,
653};
654
655/*
656 * The mc13783 has two SSI ports, both of them can be routed either
657 * to the voice codec or the stereo DAC. When two different SSI ports
658 * are used for the voice codec and the stereo DAC we can do different
659 * formats and sysclock settings for playback and capture
660 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
661 * forces us to use symmetric rates (mc13783-hifi).
662 */
663static struct snd_soc_dai_driver mc13783_dai_async[] = {
664	{
665		.name = "mc13783-hifi-playback",
666		.id = MC13783_ID_STEREO_DAC,
667		.playback = {
668			.stream_name = "Playback",
669			.channels_min = 2,
670			.channels_max = 2,
671			.rates = SNDRV_PCM_RATE_8000_96000,
672			.formats = MC13783_FORMATS,
673		},
674		.ops = &mc13783_ops_dac,
675	}, {
676		.name = "mc13783-hifi-capture",
677		.id = MC13783_ID_STEREO_CODEC,
678		.capture = {
679			.stream_name = "Capture",
680			.channels_min = 2,
681			.channels_max = 2,
682			.rates = MC13783_RATES_RECORD,
683			.formats = MC13783_FORMATS,
684		},
685		.ops = &mc13783_ops_codec,
686	},
687};
688
689static const struct snd_soc_dai_ops mc13783_ops_sync = {
690	.hw_params	= mc13783_pcm_hw_params_sync,
691	.set_fmt	= mc13783_set_fmt_sync,
692	.set_sysclk	= mc13783_set_sysclk_sync,
693	.set_tdm_slot	= mc13783_set_tdm_slot_sync,
694};
695
696static struct snd_soc_dai_driver mc13783_dai_sync[] = {
697	{
698		.name = "mc13783-hifi",
699		.id = MC13783_ID_SYNC,
700		.playback = {
701			.stream_name = "Playback",
702			.channels_min = 2,
703			.channels_max = 2,
704			.rates = SNDRV_PCM_RATE_8000_96000,
705			.formats = MC13783_FORMATS,
706		},
707		.capture = {
708			.stream_name = "Capture",
709			.channels_min = 2,
710			.channels_max = 2,
711			.rates = MC13783_RATES_RECORD,
712			.formats = MC13783_FORMATS,
713		},
714		.ops = &mc13783_ops_sync,
715		.symmetric_rates = 1,
716	}
717};
718
719static const struct snd_soc_component_driver soc_component_dev_mc13783 = {
720	.probe			= mc13783_probe,
721	.remove			= mc13783_remove,
722	.controls		= mc13783_control_list,
723	.num_controls		= ARRAY_SIZE(mc13783_control_list),
724	.dapm_widgets		= mc13783_dapm_widgets,
725	.num_dapm_widgets	= ARRAY_SIZE(mc13783_dapm_widgets),
726	.dapm_routes		= mc13783_routes,
727	.num_dapm_routes	= ARRAY_SIZE(mc13783_routes),
728	.idle_bias_on		= 1,
729	.use_pmdown_time	= 1,
730	.endianness		= 1,
731	.non_legacy_dai_naming	= 1,
732};
733
734static int __init mc13783_codec_probe(struct platform_device *pdev)
735{
736	struct mc13783_priv *priv;
737	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
738	struct device_node *np;
739	int ret;
740
741	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
742	if (!priv)
743		return -ENOMEM;
744
745	if (pdata) {
746		priv->adc_ssi_port = pdata->adc_ssi_port;
747		priv->dac_ssi_port = pdata->dac_ssi_port;
748	} else {
749		np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
750		if (!np)
751			return -ENOSYS;
752
753		ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
754		if (ret) {
755			of_node_put(np);
756			return ret;
757		}
758
759		ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
760		if (ret) {
761			of_node_put(np);
762			return ret;
763		}
764
765		of_node_put(np);
766	}
767
768	dev_set_drvdata(&pdev->dev, priv);
769	priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
770
771	if (priv->adc_ssi_port == priv->dac_ssi_port)
772		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
773			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
774	else
775		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
776			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
777
778	return ret;
779}
780
781static int mc13783_codec_remove(struct platform_device *pdev)
782{
783	return 0;
784}
785
786static struct platform_driver mc13783_codec_driver = {
787	.driver = {
788		.name	= "mc13783-codec",
789	},
790	.remove = mc13783_codec_remove,
791};
792module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
793
794MODULE_DESCRIPTION("ASoC MC13783 driver");
795MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
796MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
797MODULE_LICENSE("GPL");
798