1/*
2 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
3 * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de
4 * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch
5 *
6 * Initial development of this code was funded by
7 * Phytec Messtechnik GmbH, http://www.phytec.de
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21 * MA  02110-1301, USA.
22 */
23#include <linux/module.h>
24#include <linux/device.h>
25#include <linux/of.h>
26#include <linux/mfd/mc13xxx.h>
27#include <linux/slab.h>
28#include <sound/core.h>
29#include <sound/control.h>
30#include <sound/pcm.h>
31#include <sound/soc.h>
32#include <sound/initval.h>
33#include <sound/soc-dapm.h>
34#include <linux/regmap.h>
35
36#include "mc13783.h"
37
38#define AUDIO_RX0_ALSPEN		(1 << 5)
39#define AUDIO_RX0_ALSPSEL		(1 << 7)
40#define AUDIO_RX0_ADDCDC		(1 << 21)
41#define AUDIO_RX0_ADDSTDC		(1 << 22)
42#define AUDIO_RX0_ADDRXIN		(1 << 23)
43
44#define AUDIO_RX1_PGARXEN		(1 << 0);
45#define AUDIO_RX1_PGASTEN		(1 << 5)
46#define AUDIO_RX1_ARXINEN		(1 << 10)
47
48#define AUDIO_TX_AMC1REN		(1 << 5)
49#define AUDIO_TX_AMC1LEN		(1 << 7)
50#define AUDIO_TX_AMC2EN			(1 << 9)
51#define AUDIO_TX_ATXINEN		(1 << 11)
52#define AUDIO_TX_RXINREC		(1 << 13)
53
54#define SSI_NETWORK_CDCTXRXSLOT(x)	(((x) & 0x3) << 2)
55#define SSI_NETWORK_CDCTXSECSLOT(x)	(((x) & 0x3) << 4)
56#define SSI_NETWORK_CDCRXSECSLOT(x)	(((x) & 0x3) << 6)
57#define SSI_NETWORK_CDCRXSECGAIN(x)	(((x) & 0x3) << 8)
58#define SSI_NETWORK_CDCSUMGAIN(x)	(1 << 10)
59#define SSI_NETWORK_CDCFSDLY(x)		(1 << 11)
60#define SSI_NETWORK_DAC_SLOTS_8		(1 << 12)
61#define SSI_NETWORK_DAC_SLOTS_4		(2 << 12)
62#define SSI_NETWORK_DAC_SLOTS_2		(3 << 12)
63#define SSI_NETWORK_DAC_SLOT_MASK	(3 << 12)
64#define SSI_NETWORK_DAC_RXSLOT_0_1	(0 << 14)
65#define SSI_NETWORK_DAC_RXSLOT_2_3	(1 << 14)
66#define SSI_NETWORK_DAC_RXSLOT_4_5	(2 << 14)
67#define SSI_NETWORK_DAC_RXSLOT_6_7	(3 << 14)
68#define SSI_NETWORK_DAC_RXSLOT_MASK	(3 << 14)
69#define SSI_NETWORK_STDCRXSECSLOT(x)	(((x) & 0x3) << 16)
70#define SSI_NETWORK_STDCRXSECGAIN(x)	(((x) & 0x3) << 18)
71#define SSI_NETWORK_STDCSUMGAIN		(1 << 20)
72
73/*
74 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
75 * register layout
76 */
77#define AUDIO_SSI_SEL			(1 << 0)
78#define AUDIO_CLK_SEL			(1 << 1)
79#define AUDIO_CSM			(1 << 2)
80#define AUDIO_BCL_INV			(1 << 3)
81#define AUDIO_CFS_INV			(1 << 4)
82#define AUDIO_CFS(x)			(((x) & 0x3) << 5)
83#define AUDIO_CLK(x)			(((x) & 0x7) << 7)
84#define AUDIO_C_EN			(1 << 11)
85#define AUDIO_C_CLK_EN			(1 << 12)
86#define AUDIO_C_RESET			(1 << 15)
87
88#define AUDIO_CODEC_CDCFS8K16K		(1 << 10)
89#define AUDIO_DAC_CFS_DLY_B		(1 << 10)
90
91struct mc13783_priv {
92	struct mc13xxx *mc13xxx;
93	struct regmap *regmap;
94
95	enum mc13783_ssi_port adc_ssi_port;
96	enum mc13783_ssi_port dac_ssi_port;
97};
98
99/* Mapping between sample rates and register value */
100static unsigned int mc13783_rates[] = {
101	8000, 11025, 12000, 16000,
102	22050, 24000, 32000, 44100,
103	48000, 64000, 96000
104};
105
106static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
107				struct snd_pcm_hw_params *params,
108				struct snd_soc_dai *dai)
109{
110	struct snd_soc_codec *codec = dai->codec;
111	unsigned int rate = params_rate(params);
112	int i;
113
114	for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
115		if (rate == mc13783_rates[i]) {
116			snd_soc_update_bits(codec, MC13783_AUDIO_DAC,
117					0xf << 17, i << 17);
118			return 0;
119		}
120	}
121
122	return -EINVAL;
123}
124
125static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
126				struct snd_pcm_hw_params *params,
127				struct snd_soc_dai *dai)
128{
129	struct snd_soc_codec *codec = dai->codec;
130	unsigned int rate = params_rate(params);
131	unsigned int val;
132
133	switch (rate) {
134	case 8000:
135		val = 0;
136		break;
137	case 16000:
138		val = AUDIO_CODEC_CDCFS8K16K;
139		break;
140	default:
141		return -EINVAL;
142	}
143
144	snd_soc_update_bits(codec, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
145			val);
146
147	return 0;
148}
149
150static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
151				struct snd_pcm_hw_params *params,
152				struct snd_soc_dai *dai)
153{
154	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
155		return mc13783_pcm_hw_params_dac(substream, params, dai);
156	else
157		return mc13783_pcm_hw_params_codec(substream, params, dai);
158}
159
160static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
161			unsigned int reg)
162{
163	struct snd_soc_codec *codec = dai->codec;
164	unsigned int val = 0;
165	unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
166				AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
167
168
169	/* DAI mode */
170	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
171	case SND_SOC_DAIFMT_I2S:
172		val |= AUDIO_CFS(2);
173		break;
174	case SND_SOC_DAIFMT_DSP_A:
175		val |= AUDIO_CFS(1);
176		break;
177	default:
178		return -EINVAL;
179	}
180
181	/* DAI clock inversion */
182	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
183	case SND_SOC_DAIFMT_NB_NF:
184		val |= AUDIO_BCL_INV;
185		break;
186	case SND_SOC_DAIFMT_NB_IF:
187		val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
188		break;
189	case SND_SOC_DAIFMT_IB_NF:
190		break;
191	case SND_SOC_DAIFMT_IB_IF:
192		val |= AUDIO_CFS_INV;
193		break;
194	}
195
196	/* DAI clock master masks */
197	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
198	case SND_SOC_DAIFMT_CBM_CFM:
199		val |= AUDIO_C_CLK_EN;
200		break;
201	case SND_SOC_DAIFMT_CBS_CFS:
202		val |= AUDIO_CSM;
203		break;
204	case SND_SOC_DAIFMT_CBM_CFS:
205	case SND_SOC_DAIFMT_CBS_CFM:
206		return -EINVAL;
207	}
208
209	val |= AUDIO_C_RESET;
210
211	snd_soc_update_bits(codec, reg, mask, val);
212
213	return 0;
214}
215
216static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
217{
218	if (dai->id == MC13783_ID_STEREO_DAC)
219		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
220	else
221		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
222}
223
224static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
225{
226	int ret;
227
228	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
229	if (ret)
230		return ret;
231
232	/*
233	 * In synchronous mode force the voice codec into slave mode
234	 * so that the clock / framesync from the stereo DAC is used
235	 */
236	fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
237	fmt |= SND_SOC_DAIFMT_CBS_CFS;
238	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
239
240	return ret;
241}
242
243static int mc13783_sysclk[] = {
244	13000000,
245	15360000,
246	16800000,
247	-1,
248	26000000,
249	-1, /* 12000000, invalid for voice codec */
250	-1, /* 3686400, invalid for voice codec */
251	33600000,
252};
253
254static int mc13783_set_sysclk(struct snd_soc_dai *dai,
255				  int clk_id, unsigned int freq, int dir,
256				  unsigned int reg)
257{
258	struct snd_soc_codec *codec = dai->codec;
259	int clk;
260	unsigned int val = 0;
261	unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
262
263	for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
264		if (mc13783_sysclk[clk] < 0)
265			continue;
266		if (mc13783_sysclk[clk] == freq)
267			break;
268	}
269
270	if (clk == ARRAY_SIZE(mc13783_sysclk))
271		return -EINVAL;
272
273	if (clk_id == MC13783_CLK_CLIB)
274		val |= AUDIO_CLK_SEL;
275
276	val |= AUDIO_CLK(clk);
277
278	snd_soc_update_bits(codec, reg, mask, val);
279
280	return 0;
281}
282
283static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
284				  int clk_id, unsigned int freq, int dir)
285{
286	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
287}
288
289static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
290				  int clk_id, unsigned int freq, int dir)
291{
292	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
293}
294
295static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
296				  int clk_id, unsigned int freq, int dir)
297{
298	int ret;
299
300	ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
301	if (ret)
302		return ret;
303
304	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
305}
306
307static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
308	unsigned int tx_mask, unsigned int rx_mask, int slots,
309	int slot_width)
310{
311	struct snd_soc_codec *codec = dai->codec;
312	unsigned int val = 0;
313	unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
314				SSI_NETWORK_DAC_RXSLOT_MASK;
315
316	switch (slots) {
317	case 2:
318		val |= SSI_NETWORK_DAC_SLOTS_2;
319		break;
320	case 4:
321		val |= SSI_NETWORK_DAC_SLOTS_4;
322		break;
323	case 8:
324		val |= SSI_NETWORK_DAC_SLOTS_8;
325		break;
326	default:
327		return -EINVAL;
328	}
329
330	switch (rx_mask) {
331	case 0x03:
332		val |= SSI_NETWORK_DAC_RXSLOT_0_1;
333		break;
334	case 0x0c:
335		val |= SSI_NETWORK_DAC_RXSLOT_2_3;
336		break;
337	case 0x30:
338		val |= SSI_NETWORK_DAC_RXSLOT_4_5;
339		break;
340	case 0xc0:
341		val |= SSI_NETWORK_DAC_RXSLOT_6_7;
342		break;
343	default:
344		return -EINVAL;
345	}
346
347	snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
348
349	return 0;
350}
351
352static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
353	unsigned int tx_mask, unsigned int rx_mask, int slots,
354	int slot_width)
355{
356	struct snd_soc_codec *codec = dai->codec;
357	unsigned int val = 0;
358	unsigned int mask = 0x3f;
359
360	if (slots != 4)
361		return -EINVAL;
362
363	if (tx_mask != 0x3)
364		return -EINVAL;
365
366	val |= (0x00 << 2);	/* primary timeslot RX/TX(?) is 0 */
367	val |= (0x01 << 4);	/* secondary timeslot TX is 1 */
368
369	snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
370
371	return 0;
372}
373
374static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
375	unsigned int tx_mask, unsigned int rx_mask, int slots,
376	int slot_width)
377{
378	int ret;
379
380	ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
381			slot_width);
382	if (ret)
383		return ret;
384
385	ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
386			slot_width);
387
388	return ret;
389}
390
391static const struct snd_kcontrol_new mc1l_amp_ctl =
392	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
393
394static const struct snd_kcontrol_new mc1r_amp_ctl =
395	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
396
397static const struct snd_kcontrol_new mc2_amp_ctl =
398	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
399
400static const struct snd_kcontrol_new atx_amp_ctl =
401	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
402
403
404/* Virtual mux. The chip does the input selection automatically
405 * as soon as we enable one input. */
406static const char * const adcl_enum_text[] = {
407	"MC1L", "RXINL",
408};
409
410static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
411
412static const struct snd_kcontrol_new left_input_mux =
413	SOC_DAPM_ENUM("Route", adcl_enum);
414
415static const char * const adcr_enum_text[] = {
416	"MC1R", "MC2", "RXINR", "TXIN",
417};
418
419static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
420
421static const struct snd_kcontrol_new right_input_mux =
422	SOC_DAPM_ENUM("Route", adcr_enum);
423
424static const struct snd_kcontrol_new samp_ctl =
425	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
426
427static const char * const speaker_amp_source_text[] = {
428	"CODEC", "Right"
429};
430static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
431			    speaker_amp_source_text);
432static const struct snd_kcontrol_new speaker_amp_source_mux =
433	SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
434
435static const char * const headset_amp_source_text[] = {
436	"CODEC", "Mixer"
437};
438
439static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
440			    headset_amp_source_text);
441static const struct snd_kcontrol_new headset_amp_source_mux =
442	SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
443
444static const struct snd_kcontrol_new cdcout_ctl =
445	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
446
447static const struct snd_kcontrol_new adc_bypass_ctl =
448	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
449
450static const struct snd_kcontrol_new lamp_ctl =
451	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
452
453static const struct snd_kcontrol_new hlamp_ctl =
454	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
455
456static const struct snd_kcontrol_new hramp_ctl =
457	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
458
459static const struct snd_kcontrol_new llamp_ctl =
460	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
461
462static const struct snd_kcontrol_new lramp_ctl =
463	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
464
465static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
466/* Input */
467	SND_SOC_DAPM_INPUT("MC1LIN"),
468	SND_SOC_DAPM_INPUT("MC1RIN"),
469	SND_SOC_DAPM_INPUT("MC2IN"),
470	SND_SOC_DAPM_INPUT("RXINR"),
471	SND_SOC_DAPM_INPUT("RXINL"),
472	SND_SOC_DAPM_INPUT("TXIN"),
473
474	SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
475	SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
476
477	SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
478	SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
479	SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
480	SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
481
482	SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
483			      &left_input_mux),
484	SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
485			      &right_input_mux),
486
487	SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
488			 &speaker_amp_source_mux),
489
490	SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
491			 &headset_amp_source_mux),
492
493	SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
494	SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
495
496	SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
497	SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
498
499	SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
500	SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
501			&adc_bypass_ctl),
502
503/* Output */
504	SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
505	SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
506	SND_SOC_DAPM_OUTPUT("RXOUTL"),
507	SND_SOC_DAPM_OUTPUT("RXOUTR"),
508	SND_SOC_DAPM_OUTPUT("HSL"),
509	SND_SOC_DAPM_OUTPUT("HSR"),
510	SND_SOC_DAPM_OUTPUT("LSPL"),
511	SND_SOC_DAPM_OUTPUT("LSP"),
512	SND_SOC_DAPM_OUTPUT("SP"),
513	SND_SOC_DAPM_OUTPUT("CDCOUT"),
514
515	SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
516			&cdcout_ctl),
517	SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
518			&samp_ctl),
519	SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
520	SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
521			&hlamp_ctl),
522	SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
523			&hramp_ctl),
524	SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
525			&llamp_ctl),
526	SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
527			&lramp_ctl),
528	SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
529	SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
530};
531
532static struct snd_soc_dapm_route mc13783_routes[] = {
533/* Input */
534	{ "MC1L Amp", NULL, "MC1LIN"},
535	{ "MC1R Amp", NULL, "MC1RIN" },
536	{ "MC2 Amp", NULL, "MC2IN" },
537	{ "TXIN Amp", NULL, "TXIN"},
538
539	{ "PGA Left Input Mux", "MC1L", "MC1L Amp" },
540	{ "PGA Left Input Mux", "RXINL", "RXINL"},
541	{ "PGA Right Input Mux", "MC1R", "MC1R Amp" },
542	{ "PGA Right Input Mux", "MC2",  "MC2 Amp"},
543	{ "PGA Right Input Mux", "TXIN", "TXIN Amp"},
544	{ "PGA Right Input Mux", "RXINR", "RXINR"},
545
546	{ "PGA Left Input", NULL, "PGA Left Input Mux"},
547	{ "PGA Right Input", NULL, "PGA Right Input Mux"},
548
549	{ "ADC", NULL, "PGA Left Input"},
550	{ "ADC", NULL, "PGA Right Input"},
551	{ "ADC", NULL, "ADC_Reset"},
552
553	{ "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
554
555	{ "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
556	{ "Speaker Amp Source MUX", "Right", "DAC PGA"},
557
558	{ "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
559	{ "Headset Amp Source MUX", "Mixer", "DAC PGA"},
560
561/* Output */
562	{ "HSL", NULL, "Headset Amp Left" },
563	{ "HSR", NULL, "Headset Amp Right"},
564	{ "RXOUTL", NULL, "Line out Amp Left"},
565	{ "RXOUTR", NULL, "Line out Amp Right"},
566	{ "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
567	{ "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
568	{ "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
569	{ "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
570	{ "Line out Amp Left", NULL, "DAC PGA"},
571	{ "Line out Amp Right", NULL, "DAC PGA"},
572	{ "DAC PGA", NULL, "DAC"},
573	{ "DAC", NULL, "DAC_E"},
574	{ "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
575};
576
577static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
578						"Mono", "Mono Mix"};
579
580static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
581			    MC13783_AUDIO_RX1, 16,
582			    mc13783_3d_mixer);
583
584static struct snd_kcontrol_new mc13783_control_list[] = {
585	SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
586	SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
587	SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
588	SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
589	SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
590
591	SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
592	SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
593	SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
594	SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
595
596	SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
597	SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
598
599	SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
600	SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
601
602	SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
603	SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
604
605	SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
606	SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
607};
608
609static int mc13783_probe(struct snd_soc_codec *codec)
610{
611	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
612
613	/* these are the reset values */
614	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
615	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
616	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
617	mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
618	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
619	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
620
621	if (priv->adc_ssi_port == MC13783_SSI1_PORT)
622		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
623				AUDIO_SSI_SEL, 0);
624	else
625		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
626				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
627
628	if (priv->dac_ssi_port == MC13783_SSI1_PORT)
629		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
630				AUDIO_SSI_SEL, 0);
631	else
632		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
633				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
634
635	return 0;
636}
637
638static int mc13783_remove(struct snd_soc_codec *codec)
639{
640	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
641
642	/* Make sure VAUDIOON is off */
643	mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
644
645	return 0;
646}
647
648#define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
649
650#define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
651	SNDRV_PCM_FMTBIT_S24_LE)
652
653static struct snd_soc_dai_ops mc13783_ops_dac = {
654	.hw_params	= mc13783_pcm_hw_params_dac,
655	.set_fmt	= mc13783_set_fmt_async,
656	.set_sysclk	= mc13783_set_sysclk_dac,
657	.set_tdm_slot	= mc13783_set_tdm_slot_dac,
658};
659
660static struct snd_soc_dai_ops mc13783_ops_codec = {
661	.hw_params	= mc13783_pcm_hw_params_codec,
662	.set_fmt	= mc13783_set_fmt_async,
663	.set_sysclk	= mc13783_set_sysclk_codec,
664	.set_tdm_slot	= mc13783_set_tdm_slot_codec,
665};
666
667/*
668 * The mc13783 has two SSI ports, both of them can be routed either
669 * to the voice codec or the stereo DAC. When two different SSI ports
670 * are used for the voice codec and the stereo DAC we can do different
671 * formats and sysclock settings for playback and capture
672 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
673 * forces us to use symmetric rates (mc13783-hifi).
674 */
675static struct snd_soc_dai_driver mc13783_dai_async[] = {
676	{
677		.name = "mc13783-hifi-playback",
678		.id = MC13783_ID_STEREO_DAC,
679		.playback = {
680			.stream_name = "Playback",
681			.channels_min = 2,
682			.channels_max = 2,
683			.rates = SNDRV_PCM_RATE_8000_96000,
684			.formats = MC13783_FORMATS,
685		},
686		.ops = &mc13783_ops_dac,
687	}, {
688		.name = "mc13783-hifi-capture",
689		.id = MC13783_ID_STEREO_CODEC,
690		.capture = {
691			.stream_name = "Capture",
692			.channels_min = 2,
693			.channels_max = 2,
694			.rates = MC13783_RATES_RECORD,
695			.formats = MC13783_FORMATS,
696		},
697		.ops = &mc13783_ops_codec,
698	},
699};
700
701static struct snd_soc_dai_ops mc13783_ops_sync = {
702	.hw_params	= mc13783_pcm_hw_params_sync,
703	.set_fmt	= mc13783_set_fmt_sync,
704	.set_sysclk	= mc13783_set_sysclk_sync,
705	.set_tdm_slot	= mc13783_set_tdm_slot_sync,
706};
707
708static struct snd_soc_dai_driver mc13783_dai_sync[] = {
709	{
710		.name = "mc13783-hifi",
711		.id = MC13783_ID_SYNC,
712		.playback = {
713			.stream_name = "Playback",
714			.channels_min = 2,
715			.channels_max = 2,
716			.rates = SNDRV_PCM_RATE_8000_96000,
717			.formats = MC13783_FORMATS,
718		},
719		.capture = {
720			.stream_name = "Capture",
721			.channels_min = 2,
722			.channels_max = 2,
723			.rates = MC13783_RATES_RECORD,
724			.formats = MC13783_FORMATS,
725		},
726		.ops = &mc13783_ops_sync,
727		.symmetric_rates = 1,
728	}
729};
730
731static struct regmap *mc13783_get_regmap(struct device *dev)
732{
733	return dev_get_regmap(dev->parent, NULL);
734}
735
736static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
737	.probe		= mc13783_probe,
738	.remove		= mc13783_remove,
739	.get_regmap	= mc13783_get_regmap,
740	.controls	= mc13783_control_list,
741	.num_controls	= ARRAY_SIZE(mc13783_control_list),
742	.dapm_widgets	= mc13783_dapm_widgets,
743	.num_dapm_widgets = ARRAY_SIZE(mc13783_dapm_widgets),
744	.dapm_routes	= mc13783_routes,
745	.num_dapm_routes = ARRAY_SIZE(mc13783_routes),
746};
747
748static int __init mc13783_codec_probe(struct platform_device *pdev)
749{
750	struct mc13783_priv *priv;
751	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
752	struct device_node *np;
753	int ret;
754
755	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
756	if (!priv)
757		return -ENOMEM;
758
759	if (pdata) {
760		priv->adc_ssi_port = pdata->adc_ssi_port;
761		priv->dac_ssi_port = pdata->dac_ssi_port;
762	} else {
763		np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
764		if (!np)
765			return -ENOSYS;
766
767		ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
768		if (ret) {
769			of_node_put(np);
770			return ret;
771		}
772
773		ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
774		if (ret) {
775			of_node_put(np);
776			return ret;
777		}
778
779		of_node_put(np);
780	}
781
782	dev_set_drvdata(&pdev->dev, priv);
783	priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
784
785	if (priv->adc_ssi_port == priv->dac_ssi_port)
786		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
787			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
788	else
789		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
790			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
791
792	return ret;
793}
794
795static int mc13783_codec_remove(struct platform_device *pdev)
796{
797	snd_soc_unregister_codec(&pdev->dev);
798
799	return 0;
800}
801
802static struct platform_driver mc13783_codec_driver = {
803	.driver = {
804		.name	= "mc13783-codec",
805	},
806	.remove = mc13783_codec_remove,
807};
808module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
809
810MODULE_DESCRIPTION("ASoC MC13783 driver");
811MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
812MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
813MODULE_LICENSE("GPL");
814