xref: /linux/sound/soc/codecs/mc13783.c (revision b2d0f5d5dc53532e6f07bc546a476a55ebdfe0f3)
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 
91 struct 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 */
100 static unsigned int mc13783_rates[] = {
101 	8000, 11025, 12000, 16000,
102 	22050, 24000, 32000, 44100,
103 	48000, 64000, 96000
104 };
105 
106 static 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 
125 static 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 
150 static 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 
160 static 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 
216 static 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 
224 static 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 
243 static 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 
254 static 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 
283 static 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 
289 static 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 
295 static 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 
307 static 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 
352 static 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 
374 static 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 
391 static const struct snd_kcontrol_new mc1l_amp_ctl =
392 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
393 
394 static const struct snd_kcontrol_new mc1r_amp_ctl =
395 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
396 
397 static const struct snd_kcontrol_new mc2_amp_ctl =
398 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
399 
400 static 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. */
406 static const char * const adcl_enum_text[] = {
407 	"MC1L", "RXINL",
408 };
409 
410 static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
411 
412 static const struct snd_kcontrol_new left_input_mux =
413 	SOC_DAPM_ENUM("Route", adcl_enum);
414 
415 static const char * const adcr_enum_text[] = {
416 	"MC1R", "MC2", "RXINR", "TXIN",
417 };
418 
419 static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
420 
421 static const struct snd_kcontrol_new right_input_mux =
422 	SOC_DAPM_ENUM("Route", adcr_enum);
423 
424 static const struct snd_kcontrol_new samp_ctl =
425 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
426 
427 static const char * const speaker_amp_source_text[] = {
428 	"CODEC", "Right"
429 };
430 static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
431 			    speaker_amp_source_text);
432 static const struct snd_kcontrol_new speaker_amp_source_mux =
433 	SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
434 
435 static const char * const headset_amp_source_text[] = {
436 	"CODEC", "Mixer"
437 };
438 
439 static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
440 			    headset_amp_source_text);
441 static const struct snd_kcontrol_new headset_amp_source_mux =
442 	SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
443 
444 static const struct snd_kcontrol_new cdcout_ctl =
445 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
446 
447 static const struct snd_kcontrol_new adc_bypass_ctl =
448 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
449 
450 static const struct snd_kcontrol_new lamp_ctl =
451 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
452 
453 static const struct snd_kcontrol_new hlamp_ctl =
454 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
455 
456 static const struct snd_kcontrol_new hramp_ctl =
457 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
458 
459 static const struct snd_kcontrol_new llamp_ctl =
460 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
461 
462 static const struct snd_kcontrol_new lramp_ctl =
463 	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
464 
465 static 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 
532 static 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 
577 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
578 						"Mono", "Mono Mix"};
579 
580 static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
581 			    MC13783_AUDIO_RX1, 16,
582 			    mc13783_3d_mixer);
583 
584 static 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 
609 static 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 
638 static 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 
653 static const 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 
660 static const 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  */
675 static 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 
701 static const 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 
708 static 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 
731 static struct regmap *mc13783_get_regmap(struct device *dev)
732 {
733 	return dev_get_regmap(dev->parent, NULL);
734 }
735 
736 static const struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
737 	.probe		= mc13783_probe,
738 	.remove		= mc13783_remove,
739 	.get_regmap	= mc13783_get_regmap,
740 	.component_driver = {
741 		.controls		= mc13783_control_list,
742 		.num_controls		= ARRAY_SIZE(mc13783_control_list),
743 		.dapm_widgets		= mc13783_dapm_widgets,
744 		.num_dapm_widgets	= ARRAY_SIZE(mc13783_dapm_widgets),
745 		.dapm_routes		= mc13783_routes,
746 		.num_dapm_routes	= ARRAY_SIZE(mc13783_routes),
747 	},
748 };
749 
750 static int __init mc13783_codec_probe(struct platform_device *pdev)
751 {
752 	struct mc13783_priv *priv;
753 	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
754 	struct device_node *np;
755 	int ret;
756 
757 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
758 	if (!priv)
759 		return -ENOMEM;
760 
761 	if (pdata) {
762 		priv->adc_ssi_port = pdata->adc_ssi_port;
763 		priv->dac_ssi_port = pdata->dac_ssi_port;
764 	} else {
765 		np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
766 		if (!np)
767 			return -ENOSYS;
768 
769 		ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
770 		if (ret) {
771 			of_node_put(np);
772 			return ret;
773 		}
774 
775 		ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
776 		if (ret) {
777 			of_node_put(np);
778 			return ret;
779 		}
780 
781 		of_node_put(np);
782 	}
783 
784 	dev_set_drvdata(&pdev->dev, priv);
785 	priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
786 
787 	if (priv->adc_ssi_port == priv->dac_ssi_port)
788 		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
789 			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
790 	else
791 		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
792 			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
793 
794 	return ret;
795 }
796 
797 static int mc13783_codec_remove(struct platform_device *pdev)
798 {
799 	snd_soc_unregister_codec(&pdev->dev);
800 
801 	return 0;
802 }
803 
804 static struct platform_driver mc13783_codec_driver = {
805 	.driver = {
806 		.name	= "mc13783-codec",
807 	},
808 	.remove = mc13783_codec_remove,
809 };
810 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
811 
812 MODULE_DESCRIPTION("ASoC MC13783 driver");
813 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
814 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
815 MODULE_LICENSE("GPL");
816