Version:  2.0.40 2.2.26 2.4.37 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 3.15 3.16 3.17

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/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 0xfffffffc:
332                 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
333                 break;
334         case 0xfffffff3:
335                 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
336                 break;
337         case 0xffffffcf:
338                 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
339                 break;
340         case 0xffffff3f:
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 != 0xfffffffc)
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                                 0, 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                                 0, 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 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 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 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 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 
748 static 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                         goto out;
770 
771                 ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
772                 if (ret)
773                         goto out;
774         }
775 
776         dev_set_drvdata(&pdev->dev, priv);
777         priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
778 
779         if (priv->adc_ssi_port == priv->dac_ssi_port)
780                 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
781                         mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
782         else
783                 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
784                         mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
785 
786 out:
787         of_node_put(np);
788         return ret;
789 }
790 
791 static int mc13783_codec_remove(struct platform_device *pdev)
792 {
793         snd_soc_unregister_codec(&pdev->dev);
794 
795         return 0;
796 }
797 
798 static struct platform_driver mc13783_codec_driver = {
799         .driver = {
800                 .name   = "mc13783-codec",
801                 .owner  = THIS_MODULE,
802         },
803         .remove = mc13783_codec_remove,
804 };
805 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
806 
807 MODULE_DESCRIPTION("ASoC MC13783 driver");
808 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
809 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
810 MODULE_LICENSE("GPL");
811 

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