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Linux 3.8-rc7
[cris-mirror.git] / sound / soc / codecs / mc13783.c
blob5402dfbbb7162f668d8841a83ad3c04db5d2516f
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/mfd/mc13xxx.h>
26 #include <linux/slab.h>
27 #include <sound/core.h>
28 #include <sound/control.h>
29 #include <sound/pcm.h>
30 #include <sound/soc.h>
31 #include <sound/initval.h>
32 #include <sound/soc-dapm.h>
33
34 #include "mc13783.h"
35
36 #define MC13783_AUDIO_RX0 36
37 #define MC13783_AUDIO_RX1 37
38 #define MC13783_AUDIO_TX 38
39 #define MC13783_SSI_NETWORK 39
40 #define MC13783_AUDIO_CODEC 40
41 #define MC13783_AUDIO_DAC 41
42
43 #define AUDIO_RX0_ALSPEN (1 << 5)
44 #define AUDIO_RX0_ALSPSEL (1 << 7)
45 #define AUDIO_RX0_ADDCDC (1 << 21)
46 #define AUDIO_RX0_ADDSTDC (1 << 22)
47 #define AUDIO_RX0_ADDRXIN (1 << 23)
48
49 #define AUDIO_RX1_PGARXEN (1 << 0);
50 #define AUDIO_RX1_PGASTEN (1 << 5)
51 #define AUDIO_RX1_ARXINEN (1 << 10)
52
53 #define AUDIO_TX_AMC1REN (1 << 5)
54 #define AUDIO_TX_AMC1LEN (1 << 7)
55 #define AUDIO_TX_AMC2EN (1 << 9)
56 #define AUDIO_TX_ATXINEN (1 << 11)
57 #define AUDIO_TX_RXINREC (1 << 13)
58
59 #define SSI_NETWORK_CDCTXRXSLOT(x) (((x) & 0x3) << 2)
60 #define SSI_NETWORK_CDCTXSECSLOT(x) (((x) & 0x3) << 4)
61 #define SSI_NETWORK_CDCRXSECSLOT(x) (((x) & 0x3) << 6)
62 #define SSI_NETWORK_CDCRXSECGAIN(x) (((x) & 0x3) << 8)
63 #define SSI_NETWORK_CDCSUMGAIN(x) (1 << 10)
64 #define SSI_NETWORK_CDCFSDLY(x) (1 << 11)
65 #define SSI_NETWORK_DAC_SLOTS_8 (1 << 12)
66 #define SSI_NETWORK_DAC_SLOTS_4 (2 << 12)
67 #define SSI_NETWORK_DAC_SLOTS_2 (3 << 12)
68 #define SSI_NETWORK_DAC_SLOT_MASK (3 << 12)
69 #define SSI_NETWORK_DAC_RXSLOT_0_1 (0 << 14)
70 #define SSI_NETWORK_DAC_RXSLOT_2_3 (1 << 14)
71 #define SSI_NETWORK_DAC_RXSLOT_4_5 (2 << 14)
72 #define SSI_NETWORK_DAC_RXSLOT_6_7 (3 << 14)
73 #define SSI_NETWORK_DAC_RXSLOT_MASK (3 << 14)
74 #define SSI_NETWORK_STDCRXSECSLOT(x) (((x) & 0x3) << 16)
75 #define SSI_NETWORK_STDCRXSECGAIN(x) (((x) & 0x3) << 18)
76 #define SSI_NETWORK_STDCSUMGAIN (1 << 20)
77
78 /*
79 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
80 * register layout
81 */
82 #define AUDIO_SSI_SEL (1 << 0)
83 #define AUDIO_CLK_SEL (1 << 1)
84 #define AUDIO_CSM (1 << 2)
85 #define AUDIO_BCL_INV (1 << 3)
86 #define AUDIO_CFS_INV (1 << 4)
87 #define AUDIO_CFS(x) (((x) & 0x3) << 5)
88 #define AUDIO_CLK(x) (((x) & 0x7) << 7)
89 #define AUDIO_C_EN (1 << 11)
90 #define AUDIO_C_CLK_EN (1 << 12)
91 #define AUDIO_C_RESET (1 << 15)
92
93 #define AUDIO_CODEC_CDCFS8K16K (1 << 10)
94 #define AUDIO_DAC_CFS_DLY_B (1 << 10)
95
96 struct mc13783_priv {
97 struct snd_soc_codec codec;
98 struct mc13xxx *mc13xxx;
99
100 enum mc13783_ssi_port adc_ssi_port;
101 enum mc13783_ssi_port dac_ssi_port;
102 };
103
104 static unsigned int mc13783_read(struct snd_soc_codec *codec,
105 unsigned int reg)
106 {
107 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
108 unsigned int value = 0;
109
110 mc13xxx_lock(priv->mc13xxx);
111
112 mc13xxx_reg_read(priv->mc13xxx, reg, &value);
113
114 mc13xxx_unlock(priv->mc13xxx);
115
116 return value;
117 }
118
119 static int mc13783_write(struct snd_soc_codec *codec,
120 unsigned int reg, unsigned int value)
121 {
122 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
123 int ret;
124
125 mc13xxx_lock(priv->mc13xxx);
126
127 ret = mc13xxx_reg_write(priv->mc13xxx, reg, value);
128
129 mc13xxx_unlock(priv->mc13xxx);
130
131 return ret;
132 }
133
134 /* Mapping between sample rates and register value */
135 static unsigned int mc13783_rates[] = {
136 8000, 11025, 12000, 16000,
137 22050, 24000, 32000, 44100,
138 48000, 64000, 96000
139 };
140
141 static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
142 struct snd_pcm_hw_params *params,
143 struct snd_soc_dai *dai)
144 {
145 struct snd_soc_pcm_runtime *rtd = substream->private_data;
146 struct snd_soc_codec *codec = rtd->codec;
147 unsigned int rate = params_rate(params);
148 int i;
149
150 for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
151 if (rate == mc13783_rates[i]) {
152 snd_soc_update_bits(codec, MC13783_AUDIO_DAC,
153 0xf << 17, i << 17);
154 return 0;
155 }
156 }
157
158 return -EINVAL;
159 }
160
161 static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
162 struct snd_pcm_hw_params *params,
163 struct snd_soc_dai *dai)
164 {
165 struct snd_soc_pcm_runtime *rtd = substream->private_data;
166 struct snd_soc_codec *codec = rtd->codec;
167 unsigned int rate = params_rate(params);
168 unsigned int val;
169
170 switch (rate) {
171 case 8000:
172 val = 0;
173 break;
174 case 16000:
175 val = AUDIO_CODEC_CDCFS8K16K;
176 break;
177 default:
178 return -EINVAL;
179 }
180
181 snd_soc_update_bits(codec, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
182 val);
183
184 return 0;
185 }
186
187 static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
188 struct snd_pcm_hw_params *params,
189 struct snd_soc_dai *dai)
190 {
191 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
192 return mc13783_pcm_hw_params_dac(substream, params, dai);
193 else
194 return mc13783_pcm_hw_params_codec(substream, params, dai);
195 }
196
197 static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
198 unsigned int reg)
199 {
200 struct snd_soc_codec *codec = dai->codec;
201 unsigned int val = 0;
202 unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
203 AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
204
205
206 /* DAI mode */
207 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
208 case SND_SOC_DAIFMT_I2S:
209 val |= AUDIO_CFS(2);
210 break;
211 case SND_SOC_DAIFMT_DSP_A:
212 val |= AUDIO_CFS(1);
213 break;
214 default:
215 return -EINVAL;
216 }
217
218 /* DAI clock inversion */
219 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
220 case SND_SOC_DAIFMT_NB_NF:
221 val |= AUDIO_BCL_INV;
222 break;
223 case SND_SOC_DAIFMT_NB_IF:
224 val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
225 break;
226 case SND_SOC_DAIFMT_IB_NF:
227 break;
228 case SND_SOC_DAIFMT_IB_IF:
229 val |= AUDIO_CFS_INV;
230 break;
231 }
232
233 /* DAI clock master masks */
234 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
235 case SND_SOC_DAIFMT_CBM_CFM:
236 val |= AUDIO_C_CLK_EN;
237 break;
238 case SND_SOC_DAIFMT_CBS_CFS:
239 val |= AUDIO_CSM;
240 break;
241 case SND_SOC_DAIFMT_CBM_CFS:
242 case SND_SOC_DAIFMT_CBS_CFM:
243 return -EINVAL;
244 }
245
246 val |= AUDIO_C_RESET;
247
248 snd_soc_update_bits(codec, reg, mask, val);
249
250 return 0;
251 }
252
253 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
254 {
255 if (dai->id == MC13783_ID_STEREO_DAC)
256 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
257 else
258 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
259 }
260
261 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
262 {
263 int ret;
264
265 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
266 if (ret)
267 return ret;
268
269 /*
270 * In synchronous mode force the voice codec into slave mode
271 * so that the clock / framesync from the stereo DAC is used
272 */
273 fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
274 fmt |= SND_SOC_DAIFMT_CBS_CFS;
275 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
276
277 return ret;
278 }
279
280 static int mc13783_sysclk[] = {
281 13000000,
282 15360000,
283 16800000,
284 -1,
285 26000000,
286 -1, /* 12000000, invalid for voice codec */
287 -1, /* 3686400, invalid for voice codec */
288 33600000,
289 };
290
291 static int mc13783_set_sysclk(struct snd_soc_dai *dai,
292 int clk_id, unsigned int freq, int dir,
293 unsigned int reg)
294 {
295 struct snd_soc_codec *codec = dai->codec;
296 int clk;
297 unsigned int val = 0;
298 unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
299
300 for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
301 if (mc13783_sysclk[clk] < 0)
302 continue;
303 if (mc13783_sysclk[clk] == freq)
304 break;
305 }
306
307 if (clk == ARRAY_SIZE(mc13783_sysclk))
308 return -EINVAL;
309
310 if (clk_id == MC13783_CLK_CLIB)
311 val |= AUDIO_CLK_SEL;
312
313 val |= AUDIO_CLK(clk);
314
315 snd_soc_update_bits(codec, reg, mask, val);
316
317 return 0;
318 }
319
320 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
321 int clk_id, unsigned int freq, int dir)
322 {
323 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
324 }
325
326 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
327 int clk_id, unsigned int freq, int dir)
328 {
329 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
330 }
331
332 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
333 int clk_id, unsigned int freq, int dir)
334 {
335 int ret;
336
337 ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
338 if (ret)
339 return ret;
340
341 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
342 }
343
344 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
345 unsigned int tx_mask, unsigned int rx_mask, int slots,
346 int slot_width)
347 {
348 struct snd_soc_codec *codec = dai->codec;
349 unsigned int val = 0;
350 unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
351 SSI_NETWORK_DAC_RXSLOT_MASK;
352
353 switch (slots) {
354 case 2:
355 val |= SSI_NETWORK_DAC_SLOTS_2;
356 break;
357 case 4:
358 val |= SSI_NETWORK_DAC_SLOTS_4;
359 break;
360 case 8:
361 val |= SSI_NETWORK_DAC_SLOTS_8;
362 break;
363 default:
364 return -EINVAL;
365 }
366
367 switch (rx_mask) {
368 case 0xfffffffc:
369 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
370 break;
371 case 0xfffffff3:
372 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
373 break;
374 case 0xffffffcf:
375 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
376 break;
377 case 0xffffff3f:
378 val |= SSI_NETWORK_DAC_RXSLOT_6_7;
379 break;
380 default:
381 return -EINVAL;
382 };
383
384 snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
385
386 return 0;
387 }
388
389 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
390 unsigned int tx_mask, unsigned int rx_mask, int slots,
391 int slot_width)
392 {
393 struct snd_soc_codec *codec = dai->codec;
394 unsigned int val = 0;
395 unsigned int mask = 0x3f;
396
397 if (slots != 4)
398 return -EINVAL;
399
400 if (tx_mask != 0xfffffffc)
401 return -EINVAL;
402
403 val |= (0x00 << 2); /* primary timeslot RX/TX(?) is 0 */
404 val |= (0x01 << 4); /* secondary timeslot TX is 1 */
405
406 snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
407
408 return 0;
409 }
410
411 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
412 unsigned int tx_mask, unsigned int rx_mask, int slots,
413 int slot_width)
414 {
415 int ret;
416
417 ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
418 slot_width);
419 if (ret)
420 return ret;
421
422 ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
423 slot_width);
424
425 return ret;
426 }
427
428 static const struct snd_kcontrol_new mc1l_amp_ctl =
429 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
430
431 static const struct snd_kcontrol_new mc1r_amp_ctl =
432 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
433
434 static const struct snd_kcontrol_new mc2_amp_ctl =
435 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
436
437 static const struct snd_kcontrol_new atx_amp_ctl =
438 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
439
440
441 /* Virtual mux. The chip does the input selection automatically
442 * as soon as we enable one input. */
443 static const char * const adcl_enum_text[] = {
444 "MC1L", "RXINL",
445 };
446
447 static const struct soc_enum adcl_enum =
448 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcl_enum_text), adcl_enum_text);
449
450 static const struct snd_kcontrol_new left_input_mux =
451 SOC_DAPM_ENUM_VIRT("Route", adcl_enum);
452
453 static const char * const adcr_enum_text[] = {
454 "MC1R", "MC2", "RXINR", "TXIN",
455 };
456
457 static const struct soc_enum adcr_enum =
458 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcr_enum_text), adcr_enum_text);
459
460 static const struct snd_kcontrol_new right_input_mux =
461 SOC_DAPM_ENUM_VIRT("Route", adcr_enum);
462
463 static const struct snd_kcontrol_new samp_ctl =
464 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
465
466 static const struct snd_kcontrol_new lamp_ctl =
467 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
468
469 static const struct snd_kcontrol_new hlamp_ctl =
470 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
471
472 static const struct snd_kcontrol_new hramp_ctl =
473 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
474
475 static const struct snd_kcontrol_new llamp_ctl =
476 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
477
478 static const struct snd_kcontrol_new lramp_ctl =
479 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
480
481 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
482 /* Input */
483 SND_SOC_DAPM_INPUT("MC1LIN"),
484 SND_SOC_DAPM_INPUT("MC1RIN"),
485 SND_SOC_DAPM_INPUT("MC2IN"),
486 SND_SOC_DAPM_INPUT("RXINR"),
487 SND_SOC_DAPM_INPUT("RXINL"),
488 SND_SOC_DAPM_INPUT("TXIN"),
489
490 SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
491 SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
492
493 SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
494 SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
495 SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
496 SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
497
498 SND_SOC_DAPM_VIRT_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
499 &left_input_mux),
500 SND_SOC_DAPM_VIRT_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
501 &right_input_mux),
502
503 SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
504 SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
505
506 SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
507 SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
508
509 /* Output */
510 SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
511 SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
512 SND_SOC_DAPM_OUTPUT("RXOUTL"),
513 SND_SOC_DAPM_OUTPUT("RXOUTR"),
514 SND_SOC_DAPM_OUTPUT("HSL"),
515 SND_SOC_DAPM_OUTPUT("HSR"),
516 SND_SOC_DAPM_OUTPUT("LSP"),
517 SND_SOC_DAPM_OUTPUT("SP"),
518
519 SND_SOC_DAPM_SWITCH("Speaker Amp", MC13783_AUDIO_RX0, 3, 0, &samp_ctl),
520 SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
521 SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
522 &hlamp_ctl),
523 SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
524 &hramp_ctl),
525 SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
526 &llamp_ctl),
527 SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
528 &lramp_ctl),
529 SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
530 SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
531 };
532
533 static struct snd_soc_dapm_route mc13783_routes[] = {
534 /* Input */
535 { "MC1L Amp", NULL, "MC1LIN"},
536 { "MC1R Amp", NULL, "MC1RIN" },
537 { "MC2 Amp", NULL, "MC2IN" },
538 { "TXIN Amp", NULL, "TXIN"},
539
540 { "PGA Left Input Mux", "MC1L", "MC1L Amp" },
541 { "PGA Left Input Mux", "RXINL", "RXINL"},
542 { "PGA Right Input Mux", "MC1R", "MC1R Amp" },
543 { "PGA Right Input Mux", "MC2", "MC2 Amp"},
544 { "PGA Right Input Mux", "TXIN", "TXIN Amp"},
545 { "PGA Right Input Mux", "RXINR", "RXINR"},
546
547 { "PGA Left Input", NULL, "PGA Left Input Mux"},
548 { "PGA Right Input", NULL, "PGA Right Input Mux"},
549
550 { "ADC", NULL, "PGA Left Input"},
551 { "ADC", NULL, "PGA Right Input"},
552 { "ADC", NULL, "ADC_Reset"},
553
554 /* Output */
555 { "HSL", NULL, "Headset Amp Left" },
556 { "HSR", NULL, "Headset Amp Right"},
557 { "RXOUTL", NULL, "Line out Amp Left"},
558 { "RXOUTR", NULL, "Line out Amp Right"},
559 { "SP", NULL, "Speaker Amp"},
560 { "Speaker Amp", NULL, "DAC PGA"},
561 { "LSP", NULL, "DAC PGA"},
562 { "Headset Amp Left", NULL, "DAC PGA"},
563 { "Headset Amp Right", NULL, "DAC PGA"},
564 { "Line out Amp Left", NULL, "DAC PGA"},
565 { "Line out Amp Right", NULL, "DAC PGA"},
566 { "DAC PGA", NULL, "DAC"},
567 { "DAC", NULL, "DAC_E"},
568 };
569
570 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
571 "Mono", "Mono Mix"};
572
573 static const struct soc_enum mc13783_enum_3d_mixer =
574 SOC_ENUM_SINGLE(MC13783_AUDIO_RX1, 16, ARRAY_SIZE(mc13783_3d_mixer),
575 mc13783_3d_mixer);
576
577 static struct snd_kcontrol_new mc13783_control_list[] = {
578 SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
579 SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
580 SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
581 SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
582 };
583
584 static int mc13783_probe(struct snd_soc_codec *codec)
585 {
586 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
587
588 mc13xxx_lock(priv->mc13xxx);
589
590 /* these are the reset values */
591 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
592 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
593 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
594 mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
595 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
596 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
597
598 if (priv->adc_ssi_port == MC13783_SSI1_PORT)
599 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
600 AUDIO_SSI_SEL, 0);
601 else
602 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
603 0, AUDIO_SSI_SEL);
604
605 if (priv->dac_ssi_port == MC13783_SSI1_PORT)
606 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
607 AUDIO_SSI_SEL, 0);
608 else
609 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
610 0, AUDIO_SSI_SEL);
611
612 mc13xxx_unlock(priv->mc13xxx);
613
614 return 0;
615 }
616
617 static int mc13783_remove(struct snd_soc_codec *codec)
618 {
619 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
620
621 mc13xxx_lock(priv->mc13xxx);
622
623 /* Make sure VAUDIOON is off */
624 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
625
626 mc13xxx_unlock(priv->mc13xxx);
627
628 return 0;
629 }
630
631 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
632
633 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
634 SNDRV_PCM_FMTBIT_S24_LE)
635
636 static struct snd_soc_dai_ops mc13783_ops_dac = {
637 .hw_params = mc13783_pcm_hw_params_dac,
638 .set_fmt = mc13783_set_fmt_async,
639 .set_sysclk = mc13783_set_sysclk_dac,
640 .set_tdm_slot = mc13783_set_tdm_slot_dac,
641 };
642
643 static struct snd_soc_dai_ops mc13783_ops_codec = {
644 .hw_params = mc13783_pcm_hw_params_codec,
645 .set_fmt = mc13783_set_fmt_async,
646 .set_sysclk = mc13783_set_sysclk_codec,
647 .set_tdm_slot = mc13783_set_tdm_slot_codec,
648 };
649
650 /*
651 * The mc13783 has two SSI ports, both of them can be routed either
652 * to the voice codec or the stereo DAC. When two different SSI ports
653 * are used for the voice codec and the stereo DAC we can do different
654 * formats and sysclock settings for playback and capture
655 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
656 * forces us to use symmetric rates (mc13783-hifi).
657 */
658 static struct snd_soc_dai_driver mc13783_dai_async[] = {
659 {
660 .name = "mc13783-hifi-playback",
661 .id = MC13783_ID_STEREO_DAC,
662 .playback = {
663 .stream_name = "Playback",
664 .channels_min = 2,
665 .channels_max = 2,
666 .rates = SNDRV_PCM_RATE_8000_96000,
667 .formats = MC13783_FORMATS,
668 },
669 .ops = &mc13783_ops_dac,
670 }, {
671 .name = "mc13783-hifi-capture",
672 .id = MC13783_ID_STEREO_CODEC,
673 .capture = {
674 .stream_name = "Capture",
675 .channels_min = 2,
676 .channels_max = 2,
677 .rates = MC13783_RATES_RECORD,
678 .formats = MC13783_FORMATS,
679 },
680 .ops = &mc13783_ops_codec,
681 },
682 };
683
684 static struct snd_soc_dai_ops mc13783_ops_sync = {
685 .hw_params = mc13783_pcm_hw_params_sync,
686 .set_fmt = mc13783_set_fmt_sync,
687 .set_sysclk = mc13783_set_sysclk_sync,
688 .set_tdm_slot = mc13783_set_tdm_slot_sync,
689 };
690
691 static struct snd_soc_dai_driver mc13783_dai_sync[] = {
692 {
693 .name = "mc13783-hifi",
694 .id = MC13783_ID_SYNC,
695 .playback = {
696 .stream_name = "Playback",
697 .channels_min = 2,
698 .channels_max = 2,
699 .rates = SNDRV_PCM_RATE_8000_96000,
700 .formats = MC13783_FORMATS,
701 },
702 .capture = {
703 .stream_name = "Capture",
704 .channels_min = 2,
705 .channels_max = 2,
706 .rates = MC13783_RATES_RECORD,
707 .formats = MC13783_FORMATS,
708 },
709 .ops = &mc13783_ops_sync,
710 .symmetric_rates = 1,
711 }
712 };
713
714 static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
715 .probe = mc13783_probe,
716 .remove = mc13783_remove,
717 .read = mc13783_read,
718 .write = mc13783_write,
719 .controls = mc13783_control_list,
720 .num_controls = ARRAY_SIZE(mc13783_control_list),
721 .dapm_widgets = mc13783_dapm_widgets,
722 .num_dapm_widgets = ARRAY_SIZE(mc13783_dapm_widgets),
723 .dapm_routes = mc13783_routes,
724 .num_dapm_routes = ARRAY_SIZE(mc13783_routes),
725 };
726
727 static int mc13783_codec_probe(struct platform_device *pdev)
728 {
729 struct mc13xxx *mc13xxx;
730 struct mc13783_priv *priv;
731 struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
732 int ret;
733
734 mc13xxx = dev_get_drvdata(pdev->dev.parent);
735
736
737 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
738 if (priv == NULL)
739 return -ENOMEM;
740
741 dev_set_drvdata(&pdev->dev, priv);
742 priv->mc13xxx = mc13xxx;
743 if (pdata) {
744 priv->adc_ssi_port = pdata->adc_ssi_port;
745 priv->dac_ssi_port = pdata->dac_ssi_port;
746 } else {
747 priv->adc_ssi_port = MC13783_SSI1_PORT;
748 priv->dac_ssi_port = MC13783_SSI2_PORT;
749 }
750
751 if (priv->adc_ssi_port == priv->dac_ssi_port)
752 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
753 mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
754 else
755 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
756 mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
757
758 if (ret)
759 goto err_register_codec;
760
761 return 0;
762
763 err_register_codec:
764 dev_err(&pdev->dev, "register codec failed with %d\n", ret);
765
766 return ret;
767 }
768
769 static int mc13783_codec_remove(struct platform_device *pdev)
770 {
771 snd_soc_unregister_codec(&pdev->dev);
772
773 return 0;
774 }
775
776 static struct platform_driver mc13783_codec_driver = {
777 .driver = {
778 .name = "mc13783-codec",
779 .owner = THIS_MODULE,
780 },
781 .probe = mc13783_codec_probe,
782 .remove = mc13783_codec_remove,
783 };
784
785 module_platform_driver(mc13783_codec_driver);
786
787 MODULE_DESCRIPTION("ASoC MC13783 driver");
788 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
789 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
790 MODULE_LICENSE("GPL");
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