Version:  2.6.34 2.6.35 2.6.36 2.6.37 2.6.38 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14

Linux/sound/soc/codecs/mc13783.c

  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 #include <linux/regmap.h>
 34 
 35 #include "mc13783.h"
 36 
 37 #define AUDIO_RX0_ALSPEN                (1 << 5)
 38 #define AUDIO_RX0_ALSPSEL               (1 << 7)
 39 #define AUDIO_RX0_ADDCDC                (1 << 21)
 40 #define AUDIO_RX0_ADDSTDC               (1 << 22)
 41 #define AUDIO_RX0_ADDRXIN               (1 << 23)
 42 
 43 #define AUDIO_RX1_PGARXEN               (1 << 0);
 44 #define AUDIO_RX1_PGASTEN               (1 << 5)
 45 #define AUDIO_RX1_ARXINEN               (1 << 10)
 46 
 47 #define AUDIO_TX_AMC1REN                (1 << 5)
 48 #define AUDIO_TX_AMC1LEN                (1 << 7)
 49 #define AUDIO_TX_AMC2EN                 (1 << 9)
 50 #define AUDIO_TX_ATXINEN                (1 << 11)
 51 #define AUDIO_TX_RXINREC                (1 << 13)
 52 
 53 #define SSI_NETWORK_CDCTXRXSLOT(x)      (((x) & 0x3) << 2)
 54 #define SSI_NETWORK_CDCTXSECSLOT(x)     (((x) & 0x3) << 4)
 55 #define SSI_NETWORK_CDCRXSECSLOT(x)     (((x) & 0x3) << 6)
 56 #define SSI_NETWORK_CDCRXSECGAIN(x)     (((x) & 0x3) << 8)
 57 #define SSI_NETWORK_CDCSUMGAIN(x)       (1 << 10)
 58 #define SSI_NETWORK_CDCFSDLY(x)         (1 << 11)
 59 #define SSI_NETWORK_DAC_SLOTS_8         (1 << 12)
 60 #define SSI_NETWORK_DAC_SLOTS_4         (2 << 12)
 61 #define SSI_NETWORK_DAC_SLOTS_2         (3 << 12)
 62 #define SSI_NETWORK_DAC_SLOT_MASK       (3 << 12)
 63 #define SSI_NETWORK_DAC_RXSLOT_0_1      (0 << 14)
 64 #define SSI_NETWORK_DAC_RXSLOT_2_3      (1 << 14)
 65 #define SSI_NETWORK_DAC_RXSLOT_4_5      (2 << 14)
 66 #define SSI_NETWORK_DAC_RXSLOT_6_7      (3 << 14)
 67 #define SSI_NETWORK_DAC_RXSLOT_MASK     (3 << 14)
 68 #define SSI_NETWORK_STDCRXSECSLOT(x)    (((x) & 0x3) << 16)
 69 #define SSI_NETWORK_STDCRXSECGAIN(x)    (((x) & 0x3) << 18)
 70 #define SSI_NETWORK_STDCSUMGAIN         (1 << 20)
 71 
 72 /*
 73  * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
 74  * register layout
 75  */
 76 #define AUDIO_SSI_SEL                   (1 << 0)
 77 #define AUDIO_CLK_SEL                   (1 << 1)
 78 #define AUDIO_CSM                       (1 << 2)
 79 #define AUDIO_BCL_INV                   (1 << 3)
 80 #define AUDIO_CFS_INV                   (1 << 4)
 81 #define AUDIO_CFS(x)                    (((x) & 0x3) << 5)
 82 #define AUDIO_CLK(x)                    (((x) & 0x7) << 7)
 83 #define AUDIO_C_EN                      (1 << 11)
 84 #define AUDIO_C_CLK_EN                  (1 << 12)
 85 #define AUDIO_C_RESET                   (1 << 15)
 86 
 87 #define AUDIO_CODEC_CDCFS8K16K          (1 << 10)
 88 #define AUDIO_DAC_CFS_DLY_B             (1 << 10)
 89 
 90 struct mc13783_priv {
 91         struct mc13xxx *mc13xxx;
 92         struct regmap *regmap;
 93 
 94         enum mc13783_ssi_port adc_ssi_port;
 95         enum mc13783_ssi_port dac_ssi_port;
 96 };
 97 
 98 /* Mapping between sample rates and register value */
 99 static unsigned int mc13783_rates[] = {
100         8000, 11025, 12000, 16000,
101         22050, 24000, 32000, 44100,
102         48000, 64000, 96000
103 };
104 
105 static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
106                                 struct snd_pcm_hw_params *params,
107                                 struct snd_soc_dai *dai)
108 {
109         struct snd_soc_pcm_runtime *rtd = substream->private_data;
110         struct snd_soc_codec *codec = rtd->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_pcm_runtime *rtd = substream->private_data;
130         struct snd_soc_codec *codec = rtd->codec;
131         unsigned int rate = params_rate(params);
132         unsigned int val;
133 
134         switch (rate) {
135         case 8000:
136                 val = 0;
137                 break;
138         case 16000:
139                 val = AUDIO_CODEC_CDCFS8K16K;
140                 break;
141         default:
142                 return -EINVAL;
143         }
144 
145         snd_soc_update_bits(codec, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
146                         val);
147 
148         return 0;
149 }
150 
151 static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
152                                 struct snd_pcm_hw_params *params,
153                                 struct snd_soc_dai *dai)
154 {
155         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
156                 return mc13783_pcm_hw_params_dac(substream, params, dai);
157         else
158                 return mc13783_pcm_hw_params_codec(substream, params, dai);
159 }
160 
161 static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
162                         unsigned int reg)
163 {
164         struct snd_soc_codec *codec = dai->codec;
165         unsigned int val = 0;
166         unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
167                                 AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
168 
169 
170         /* DAI mode */
171         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
172         case SND_SOC_DAIFMT_I2S:
173                 val |= AUDIO_CFS(2);
174                 break;
175         case SND_SOC_DAIFMT_DSP_A:
176                 val |= AUDIO_CFS(1);
177                 break;
178         default:
179                 return -EINVAL;
180         }
181 
182         /* DAI clock inversion */
183         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
184         case SND_SOC_DAIFMT_NB_NF:
185                 val |= AUDIO_BCL_INV;
186                 break;
187         case SND_SOC_DAIFMT_NB_IF:
188                 val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
189                 break;
190         case SND_SOC_DAIFMT_IB_NF:
191                 break;
192         case SND_SOC_DAIFMT_IB_IF:
193                 val |= AUDIO_CFS_INV;
194                 break;
195         }
196 
197         /* DAI clock master masks */
198         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
199         case SND_SOC_DAIFMT_CBM_CFM:
200                 val |= AUDIO_C_CLK_EN;
201                 break;
202         case SND_SOC_DAIFMT_CBS_CFS:
203                 val |= AUDIO_CSM;
204                 break;
205         case SND_SOC_DAIFMT_CBM_CFS:
206         case SND_SOC_DAIFMT_CBS_CFM:
207                 return -EINVAL;
208         }
209 
210         val |= AUDIO_C_RESET;
211 
212         snd_soc_update_bits(codec, reg, mask, val);
213 
214         return 0;
215 }
216 
217 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
218 {
219         if (dai->id == MC13783_ID_STEREO_DAC)
220                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
221         else
222                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
223 }
224 
225 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
226 {
227         int ret;
228 
229         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
230         if (ret)
231                 return ret;
232 
233         /*
234          * In synchronous mode force the voice codec into slave mode
235          * so that the clock / framesync from the stereo DAC is used
236          */
237         fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
238         fmt |= SND_SOC_DAIFMT_CBS_CFS;
239         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
240 
241         return ret;
242 }
243 
244 static int mc13783_sysclk[] = {
245         13000000,
246         15360000,
247         16800000,
248         -1,
249         26000000,
250         -1, /* 12000000, invalid for voice codec */
251         -1, /* 3686400, invalid for voice codec */
252         33600000,
253 };
254 
255 static int mc13783_set_sysclk(struct snd_soc_dai *dai,
256                                   int clk_id, unsigned int freq, int dir,
257                                   unsigned int reg)
258 {
259         struct snd_soc_codec *codec = dai->codec;
260         int clk;
261         unsigned int val = 0;
262         unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
263 
264         for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
265                 if (mc13783_sysclk[clk] < 0)
266                         continue;
267                 if (mc13783_sysclk[clk] == freq)
268                         break;
269         }
270 
271         if (clk == ARRAY_SIZE(mc13783_sysclk))
272                 return -EINVAL;
273 
274         if (clk_id == MC13783_CLK_CLIB)
275                 val |= AUDIO_CLK_SEL;
276 
277         val |= AUDIO_CLK(clk);
278 
279         snd_soc_update_bits(codec, reg, mask, val);
280 
281         return 0;
282 }
283 
284 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
285                                   int clk_id, unsigned int freq, int dir)
286 {
287         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
288 }
289 
290 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
291                                   int clk_id, unsigned int freq, int dir)
292 {
293         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
294 }
295 
296 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
297                                   int clk_id, unsigned int freq, int dir)
298 {
299         int ret;
300 
301         ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
302         if (ret)
303                 return ret;
304 
305         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
306 }
307 
308 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
309         unsigned int tx_mask, unsigned int rx_mask, int slots,
310         int slot_width)
311 {
312         struct snd_soc_codec *codec = dai->codec;
313         unsigned int val = 0;
314         unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
315                                 SSI_NETWORK_DAC_RXSLOT_MASK;
316 
317         switch (slots) {
318         case 2:
319                 val |= SSI_NETWORK_DAC_SLOTS_2;
320                 break;
321         case 4:
322                 val |= SSI_NETWORK_DAC_SLOTS_4;
323                 break;
324         case 8:
325                 val |= SSI_NETWORK_DAC_SLOTS_8;
326                 break;
327         default:
328                 return -EINVAL;
329         }
330 
331         switch (rx_mask) {
332         case 0xfffffffc:
333                 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
334                 break;
335         case 0xfffffff3:
336                 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
337                 break;
338         case 0xffffffcf:
339                 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
340                 break;
341         case 0xffffff3f:
342                 val |= SSI_NETWORK_DAC_RXSLOT_6_7;
343                 break;
344         default:
345                 return -EINVAL;
346         }
347 
348         snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
349 
350         return 0;
351 }
352 
353 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
354         unsigned int tx_mask, unsigned int rx_mask, int slots,
355         int slot_width)
356 {
357         struct snd_soc_codec *codec = dai->codec;
358         unsigned int val = 0;
359         unsigned int mask = 0x3f;
360 
361         if (slots != 4)
362                 return -EINVAL;
363 
364         if (tx_mask != 0xfffffffc)
365                 return -EINVAL;
366 
367         val |= (0x00 << 2);     /* primary timeslot RX/TX(?) is 0 */
368         val |= (0x01 << 4);     /* secondary timeslot TX is 1 */
369 
370         snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);
371 
372         return 0;
373 }
374 
375 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
376         unsigned int tx_mask, unsigned int rx_mask, int slots,
377         int slot_width)
378 {
379         int ret;
380 
381         ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
382                         slot_width);
383         if (ret)
384                 return ret;
385 
386         ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
387                         slot_width);
388 
389         return ret;
390 }
391 
392 static const struct snd_kcontrol_new mc1l_amp_ctl =
393         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
394 
395 static const struct snd_kcontrol_new mc1r_amp_ctl =
396         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
397 
398 static const struct snd_kcontrol_new mc2_amp_ctl =
399         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
400 
401 static const struct snd_kcontrol_new atx_amp_ctl =
402         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
403 
404 
405 /* Virtual mux. The chip does the input selection automatically
406  * as soon as we enable one input. */
407 static const char * const adcl_enum_text[] = {
408         "MC1L", "RXINL",
409 };
410 
411 static const struct soc_enum adcl_enum =
412         SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcl_enum_text), adcl_enum_text);
413 
414 static const struct snd_kcontrol_new left_input_mux =
415         SOC_DAPM_ENUM_VIRT("Route", adcl_enum);
416 
417 static const char * const adcr_enum_text[] = {
418         "MC1R", "MC2", "RXINR", "TXIN",
419 };
420 
421 static const struct soc_enum adcr_enum =
422         SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcr_enum_text), adcr_enum_text);
423 
424 static const struct snd_kcontrol_new right_input_mux =
425         SOC_DAPM_ENUM_VIRT("Route", adcr_enum);
426 
427 static const struct snd_kcontrol_new samp_ctl =
428         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
429 
430 static const char * const speaker_amp_source_text[] = {
431         "CODEC", "Right"
432 };
433 static const SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
434                                   speaker_amp_source_text);
435 static const struct snd_kcontrol_new speaker_amp_source_mux =
436         SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
437 
438 static const char * const headset_amp_source_text[] = {
439         "CODEC", "Mixer"
440 };
441 
442 static const SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
443                                   headset_amp_source_text);
444 static const struct snd_kcontrol_new headset_amp_source_mux =
445         SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
446 
447 static const struct snd_kcontrol_new cdcout_ctl =
448         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
449 
450 static const struct snd_kcontrol_new adc_bypass_ctl =
451         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
452 
453 static const struct snd_kcontrol_new lamp_ctl =
454         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
455 
456 static const struct snd_kcontrol_new hlamp_ctl =
457         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
458 
459 static const struct snd_kcontrol_new hramp_ctl =
460         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
461 
462 static const struct snd_kcontrol_new llamp_ctl =
463         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
464 
465 static const struct snd_kcontrol_new lramp_ctl =
466         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
467 
468 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
469 /* Input */
470         SND_SOC_DAPM_INPUT("MC1LIN"),
471         SND_SOC_DAPM_INPUT("MC1RIN"),
472         SND_SOC_DAPM_INPUT("MC2IN"),
473         SND_SOC_DAPM_INPUT("RXINR"),
474         SND_SOC_DAPM_INPUT("RXINL"),
475         SND_SOC_DAPM_INPUT("TXIN"),
476 
477         SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
478         SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
479 
480         SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
481         SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
482         SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
483         SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
484 
485         SND_SOC_DAPM_VIRT_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
486                               &left_input_mux),
487         SND_SOC_DAPM_VIRT_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
488                               &right_input_mux),
489 
490         SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
491                          &speaker_amp_source_mux),
492 
493         SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
494                          &headset_amp_source_mux),
495 
496         SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
497         SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
498 
499         SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
500         SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
501 
502         SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
503         SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
504                         &adc_bypass_ctl),
505 
506 /* Output */
507         SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
508         SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
509         SND_SOC_DAPM_OUTPUT("RXOUTL"),
510         SND_SOC_DAPM_OUTPUT("RXOUTR"),
511         SND_SOC_DAPM_OUTPUT("HSL"),
512         SND_SOC_DAPM_OUTPUT("HSR"),
513         SND_SOC_DAPM_OUTPUT("LSPL"),
514         SND_SOC_DAPM_OUTPUT("LSP"),
515         SND_SOC_DAPM_OUTPUT("SP"),
516         SND_SOC_DAPM_OUTPUT("CDCOUT"),
517 
518         SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
519                         &cdcout_ctl),
520         SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
521                         &samp_ctl),
522         SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
523         SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
524                         &hlamp_ctl),
525         SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
526                         &hramp_ctl),
527         SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
528                         &llamp_ctl),
529         SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
530                         &lramp_ctl),
531         SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
532         SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
533 };
534 
535 static struct snd_soc_dapm_route mc13783_routes[] = {
536 /* Input */
537         { "MC1L Amp", NULL, "MC1LIN"},
538         { "MC1R Amp", NULL, "MC1RIN" },
539         { "MC2 Amp", NULL, "MC2IN" },
540         { "TXIN Amp", NULL, "TXIN"},
541 
542         { "PGA Left Input Mux", "MC1L", "MC1L Amp" },
543         { "PGA Left Input Mux", "RXINL", "RXINL"},
544         { "PGA Right Input Mux", "MC1R", "MC1R Amp" },
545         { "PGA Right Input Mux", "MC2",  "MC2 Amp"},
546         { "PGA Right Input Mux", "TXIN", "TXIN Amp"},
547         { "PGA Right Input Mux", "RXINR", "RXINR"},
548 
549         { "PGA Left Input", NULL, "PGA Left Input Mux"},
550         { "PGA Right Input", NULL, "PGA Right Input Mux"},
551 
552         { "ADC", NULL, "PGA Left Input"},
553         { "ADC", NULL, "PGA Right Input"},
554         { "ADC", NULL, "ADC_Reset"},
555 
556         { "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
557 
558         { "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
559         { "Speaker Amp Source MUX", "Right", "DAC PGA"},
560 
561         { "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
562         { "Headset Amp Source MUX", "Mixer", "DAC PGA"},
563 
564 /* Output */
565         { "HSL", NULL, "Headset Amp Left" },
566         { "HSR", NULL, "Headset Amp Right"},
567         { "RXOUTL", NULL, "Line out Amp Left"},
568         { "RXOUTR", NULL, "Line out Amp Right"},
569         { "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
570         { "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
571         { "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
572         { "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
573         { "Line out Amp Left", NULL, "DAC PGA"},
574         { "Line out Amp Right", NULL, "DAC PGA"},
575         { "DAC PGA", NULL, "DAC"},
576         { "DAC", NULL, "DAC_E"},
577         { "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
578 };
579 
580 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
581                                                 "Mono", "Mono Mix"};
582 
583 static const struct soc_enum mc13783_enum_3d_mixer =
584         SOC_ENUM_SINGLE(MC13783_AUDIO_RX1, 16, ARRAY_SIZE(mc13783_3d_mixer),
585                         mc13783_3d_mixer);
586 
587 static struct snd_kcontrol_new mc13783_control_list[] = {
588         SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
589         SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
590         SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
591         SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
592         SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
593 
594         SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
595         SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
596         SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
597         SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
598 
599         SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
600         SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
601 
602         SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
603         SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
604 
605         SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
606         SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
607 
608         SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
609         SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
610 };
611 
612 static int mc13783_probe(struct snd_soc_codec *codec)
613 {
614         struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
615         int ret;
616 
617         codec->control_data = dev_get_regmap(codec->dev->parent, NULL);
618         ret = snd_soc_codec_set_cache_io(codec, 8, 24, SND_SOC_REGMAP);
619         if (ret != 0) {
620                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
621                 return ret;
622         }
623 
624         /* these are the reset values */
625         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
626         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
627         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
628         mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
629         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
630         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
631 
632         if (priv->adc_ssi_port == MC13783_SSI1_PORT)
633                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
634                                 AUDIO_SSI_SEL, 0);
635         else
636                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
637                                 0, AUDIO_SSI_SEL);
638 
639         if (priv->dac_ssi_port == MC13783_SSI1_PORT)
640                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
641                                 AUDIO_SSI_SEL, 0);
642         else
643                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
644                                 0, AUDIO_SSI_SEL);
645 
646         return 0;
647 }
648 
649 static int mc13783_remove(struct snd_soc_codec *codec)
650 {
651         struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
652 
653         /* Make sure VAUDIOON is off */
654         mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
655 
656         return 0;
657 }
658 
659 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
660 
661 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
662         SNDRV_PCM_FMTBIT_S24_LE)
663 
664 static struct snd_soc_dai_ops mc13783_ops_dac = {
665         .hw_params      = mc13783_pcm_hw_params_dac,
666         .set_fmt        = mc13783_set_fmt_async,
667         .set_sysclk     = mc13783_set_sysclk_dac,
668         .set_tdm_slot   = mc13783_set_tdm_slot_dac,
669 };
670 
671 static struct snd_soc_dai_ops mc13783_ops_codec = {
672         .hw_params      = mc13783_pcm_hw_params_codec,
673         .set_fmt        = mc13783_set_fmt_async,
674         .set_sysclk     = mc13783_set_sysclk_codec,
675         .set_tdm_slot   = mc13783_set_tdm_slot_codec,
676 };
677 
678 /*
679  * The mc13783 has two SSI ports, both of them can be routed either
680  * to the voice codec or the stereo DAC. When two different SSI ports
681  * are used for the voice codec and the stereo DAC we can do different
682  * formats and sysclock settings for playback and capture
683  * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
684  * forces us to use symmetric rates (mc13783-hifi).
685  */
686 static struct snd_soc_dai_driver mc13783_dai_async[] = {
687         {
688                 .name = "mc13783-hifi-playback",
689                 .id = MC13783_ID_STEREO_DAC,
690                 .playback = {
691                         .stream_name = "Playback",
692                         .channels_min = 2,
693                         .channels_max = 2,
694                         .rates = SNDRV_PCM_RATE_8000_96000,
695                         .formats = MC13783_FORMATS,
696                 },
697                 .ops = &mc13783_ops_dac,
698         }, {
699                 .name = "mc13783-hifi-capture",
700                 .id = MC13783_ID_STEREO_CODEC,
701                 .capture = {
702                         .stream_name = "Capture",
703                         .channels_min = 2,
704                         .channels_max = 2,
705                         .rates = MC13783_RATES_RECORD,
706                         .formats = MC13783_FORMATS,
707                 },
708                 .ops = &mc13783_ops_codec,
709         },
710 };
711 
712 static struct snd_soc_dai_ops mc13783_ops_sync = {
713         .hw_params      = mc13783_pcm_hw_params_sync,
714         .set_fmt        = mc13783_set_fmt_sync,
715         .set_sysclk     = mc13783_set_sysclk_sync,
716         .set_tdm_slot   = mc13783_set_tdm_slot_sync,
717 };
718 
719 static struct snd_soc_dai_driver mc13783_dai_sync[] = {
720         {
721                 .name = "mc13783-hifi",
722                 .id = MC13783_ID_SYNC,
723                 .playback = {
724                         .stream_name = "Playback",
725                         .channels_min = 2,
726                         .channels_max = 2,
727                         .rates = SNDRV_PCM_RATE_8000_96000,
728                         .formats = MC13783_FORMATS,
729                 },
730                 .capture = {
731                         .stream_name = "Capture",
732                         .channels_min = 2,
733                         .channels_max = 2,
734                         .rates = MC13783_RATES_RECORD,
735                         .formats = MC13783_FORMATS,
736                 },
737                 .ops = &mc13783_ops_sync,
738                 .symmetric_rates = 1,
739         }
740 };
741 
742 static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
743         .probe          = mc13783_probe,
744         .remove         = mc13783_remove,
745         .controls       = mc13783_control_list,
746         .num_controls   = ARRAY_SIZE(mc13783_control_list),
747         .dapm_widgets   = mc13783_dapm_widgets,
748         .num_dapm_widgets = ARRAY_SIZE(mc13783_dapm_widgets),
749         .dapm_routes    = mc13783_routes,
750         .num_dapm_routes = ARRAY_SIZE(mc13783_routes),
751 };
752 
753 static int __init mc13783_codec_probe(struct platform_device *pdev)
754 {
755         struct mc13783_priv *priv;
756         struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
757         int ret;
758 
759         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
760         if (!priv)
761                 return -ENOMEM;
762 
763         if (pdata) {
764                 priv->adc_ssi_port = pdata->adc_ssi_port;
765                 priv->dac_ssi_port = pdata->dac_ssi_port;
766         } else {
767                 return -ENOSYS;
768         }
769 
770         dev_set_drvdata(&pdev->dev, priv);
771         priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
772 
773         if (priv->adc_ssi_port == priv->dac_ssi_port)
774                 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
775                         mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
776         else
777                 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
778                         mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
779 
780         return ret;
781 }
782 
783 static int mc13783_codec_remove(struct platform_device *pdev)
784 {
785         snd_soc_unregister_codec(&pdev->dev);
786 
787         return 0;
788 }
789 
790 static struct platform_driver mc13783_codec_driver = {
791         .driver = {
792                 .name   = "mc13783-codec",
793                 .owner  = THIS_MODULE,
794         },
795         .remove = mc13783_codec_remove,
796 };
797 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
798 
799 MODULE_DESCRIPTION("ASoC MC13783 driver");
800 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
801 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
802 MODULE_LICENSE("GPL");
803 

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