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TOMOYO Linux Cross Reference
Linux/sound/soc/codecs/mc13783.c

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
  4  * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de
  5  * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch
  6  *
  7  * Initial development of this code was funded by
  8  * Phytec Messtechnik GmbH, http://www.phytec.de
  9  */
 10 #include <linux/module.h>
 11 #include <linux/device.h>
 12 #include <linux/of.h>
 13 #include <linux/mfd/mc13xxx.h>
 14 #include <linux/slab.h>
 15 #include <sound/core.h>
 16 #include <sound/control.h>
 17 #include <sound/pcm.h>
 18 #include <sound/soc.h>
 19 #include <sound/initval.h>
 20 #include <sound/soc-dapm.h>
 21 #include <linux/regmap.h>
 22 
 23 #include "mc13783.h"
 24 
 25 #define AUDIO_RX0_ALSPEN                (1 << 5)
 26 #define AUDIO_RX0_ALSPSEL               (1 << 7)
 27 #define AUDIO_RX0_ADDCDC                (1 << 21)
 28 #define AUDIO_RX0_ADDSTDC               (1 << 22)
 29 #define AUDIO_RX0_ADDRXIN               (1 << 23)
 30 
 31 #define AUDIO_RX1_PGARXEN               (1 << 0);
 32 #define AUDIO_RX1_PGASTEN               (1 << 5)
 33 #define AUDIO_RX1_ARXINEN               (1 << 10)
 34 
 35 #define AUDIO_TX_AMC1REN                (1 << 5)
 36 #define AUDIO_TX_AMC1LEN                (1 << 7)
 37 #define AUDIO_TX_AMC2EN                 (1 << 9)
 38 #define AUDIO_TX_ATXINEN                (1 << 11)
 39 #define AUDIO_TX_RXINREC                (1 << 13)
 40 
 41 #define SSI_NETWORK_CDCTXRXSLOT(x)      (((x) & 0x3) << 2)
 42 #define SSI_NETWORK_CDCTXSECSLOT(x)     (((x) & 0x3) << 4)
 43 #define SSI_NETWORK_CDCRXSECSLOT(x)     (((x) & 0x3) << 6)
 44 #define SSI_NETWORK_CDCRXSECGAIN(x)     (((x) & 0x3) << 8)
 45 #define SSI_NETWORK_CDCSUMGAIN(x)       (1 << 10)
 46 #define SSI_NETWORK_CDCFSDLY(x)         (1 << 11)
 47 #define SSI_NETWORK_DAC_SLOTS_8         (1 << 12)
 48 #define SSI_NETWORK_DAC_SLOTS_4         (2 << 12)
 49 #define SSI_NETWORK_DAC_SLOTS_2         (3 << 12)
 50 #define SSI_NETWORK_DAC_SLOT_MASK       (3 << 12)
 51 #define SSI_NETWORK_DAC_RXSLOT_0_1      (0 << 14)
 52 #define SSI_NETWORK_DAC_RXSLOT_2_3      (1 << 14)
 53 #define SSI_NETWORK_DAC_RXSLOT_4_5      (2 << 14)
 54 #define SSI_NETWORK_DAC_RXSLOT_6_7      (3 << 14)
 55 #define SSI_NETWORK_DAC_RXSLOT_MASK     (3 << 14)
 56 #define SSI_NETWORK_STDCRXSECSLOT(x)    (((x) & 0x3) << 16)
 57 #define SSI_NETWORK_STDCRXSECGAIN(x)    (((x) & 0x3) << 18)
 58 #define SSI_NETWORK_STDCSUMGAIN         (1 << 20)
 59 
 60 /*
 61  * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
 62  * register layout
 63  */
 64 #define AUDIO_SSI_SEL                   (1 << 0)
 65 #define AUDIO_CLK_SEL                   (1 << 1)
 66 #define AUDIO_CSM                       (1 << 2)
 67 #define AUDIO_BCL_INV                   (1 << 3)
 68 #define AUDIO_CFS_INV                   (1 << 4)
 69 #define AUDIO_CFS(x)                    (((x) & 0x3) << 5)
 70 #define AUDIO_CLK(x)                    (((x) & 0x7) << 7)
 71 #define AUDIO_C_EN                      (1 << 11)
 72 #define AUDIO_C_CLK_EN                  (1 << 12)
 73 #define AUDIO_C_RESET                   (1 << 15)
 74 
 75 #define AUDIO_CODEC_CDCFS8K16K          (1 << 10)
 76 #define AUDIO_DAC_CFS_DLY_B             (1 << 10)
 77 
 78 struct mc13783_priv {
 79         struct mc13xxx *mc13xxx;
 80         struct regmap *regmap;
 81 
 82         enum mc13783_ssi_port adc_ssi_port;
 83         enum mc13783_ssi_port dac_ssi_port;
 84 };
 85 
 86 /* Mapping between sample rates and register value */
 87 static unsigned int mc13783_rates[] = {
 88         8000, 11025, 12000, 16000,
 89         22050, 24000, 32000, 44100,
 90         48000, 64000, 96000
 91 };
 92 
 93 static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
 94                                 struct snd_pcm_hw_params *params,
 95                                 struct snd_soc_dai *dai)
 96 {
 97         struct snd_soc_component *component = dai->component;
 98         unsigned int rate = params_rate(params);
 99         int i;
100 
101         for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
102                 if (rate == mc13783_rates[i]) {
103                         snd_soc_component_update_bits(component, MC13783_AUDIO_DAC,
104                                         0xf << 17, i << 17);
105                         return 0;
106                 }
107         }
108 
109         return -EINVAL;
110 }
111 
112 static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
113                                 struct snd_pcm_hw_params *params,
114                                 struct snd_soc_dai *dai)
115 {
116         struct snd_soc_component *component = dai->component;
117         unsigned int rate = params_rate(params);
118         unsigned int val;
119 
120         switch (rate) {
121         case 8000:
122                 val = 0;
123                 break;
124         case 16000:
125                 val = AUDIO_CODEC_CDCFS8K16K;
126                 break;
127         default:
128                 return -EINVAL;
129         }
130 
131         snd_soc_component_update_bits(component, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
132                         val);
133 
134         return 0;
135 }
136 
137 static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
138                                 struct snd_pcm_hw_params *params,
139                                 struct snd_soc_dai *dai)
140 {
141         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
142                 return mc13783_pcm_hw_params_dac(substream, params, dai);
143         else
144                 return mc13783_pcm_hw_params_codec(substream, params, dai);
145 }
146 
147 static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
148                         unsigned int reg)
149 {
150         struct snd_soc_component *component = dai->component;
151         unsigned int val = 0;
152         unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
153                                 AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
154 
155 
156         /* DAI mode */
157         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
158         case SND_SOC_DAIFMT_I2S:
159                 val |= AUDIO_CFS(2);
160                 break;
161         case SND_SOC_DAIFMT_DSP_A:
162                 val |= AUDIO_CFS(1);
163                 break;
164         default:
165                 return -EINVAL;
166         }
167 
168         /* DAI clock inversion */
169         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
170         case SND_SOC_DAIFMT_NB_NF:
171                 val |= AUDIO_BCL_INV;
172                 break;
173         case SND_SOC_DAIFMT_NB_IF:
174                 val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
175                 break;
176         case SND_SOC_DAIFMT_IB_NF:
177                 break;
178         case SND_SOC_DAIFMT_IB_IF:
179                 val |= AUDIO_CFS_INV;
180                 break;
181         }
182 
183         /* DAI clock master masks */
184         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
185         case SND_SOC_DAIFMT_CBM_CFM:
186                 val |= AUDIO_C_CLK_EN;
187                 break;
188         case SND_SOC_DAIFMT_CBS_CFS:
189                 val |= AUDIO_CSM;
190                 break;
191         case SND_SOC_DAIFMT_CBM_CFS:
192         case SND_SOC_DAIFMT_CBS_CFM:
193                 return -EINVAL;
194         }
195 
196         val |= AUDIO_C_RESET;
197 
198         snd_soc_component_update_bits(component, reg, mask, val);
199 
200         return 0;
201 }
202 
203 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
204 {
205         if (dai->id == MC13783_ID_STEREO_DAC)
206                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
207         else
208                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
209 }
210 
211 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
212 {
213         int ret;
214 
215         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
216         if (ret)
217                 return ret;
218 
219         /*
220          * In synchronous mode force the voice codec into slave mode
221          * so that the clock / framesync from the stereo DAC is used
222          */
223         fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
224         fmt |= SND_SOC_DAIFMT_CBS_CFS;
225         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
226 
227         return ret;
228 }
229 
230 static int mc13783_sysclk[] = {
231         13000000,
232         15360000,
233         16800000,
234         -1,
235         26000000,
236         -1, /* 12000000, invalid for voice codec */
237         -1, /* 3686400, invalid for voice codec */
238         33600000,
239 };
240 
241 static int mc13783_set_sysclk(struct snd_soc_dai *dai,
242                                   int clk_id, unsigned int freq, int dir,
243                                   unsigned int reg)
244 {
245         struct snd_soc_component *component = dai->component;
246         int clk;
247         unsigned int val = 0;
248         unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
249 
250         for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
251                 if (mc13783_sysclk[clk] < 0)
252                         continue;
253                 if (mc13783_sysclk[clk] == freq)
254                         break;
255         }
256 
257         if (clk == ARRAY_SIZE(mc13783_sysclk))
258                 return -EINVAL;
259 
260         if (clk_id == MC13783_CLK_CLIB)
261                 val |= AUDIO_CLK_SEL;
262 
263         val |= AUDIO_CLK(clk);
264 
265         snd_soc_component_update_bits(component, reg, mask, val);
266 
267         return 0;
268 }
269 
270 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
271                                   int clk_id, unsigned int freq, int dir)
272 {
273         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
274 }
275 
276 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
277                                   int clk_id, unsigned int freq, int dir)
278 {
279         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
280 }
281 
282 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
283                                   int clk_id, unsigned int freq, int dir)
284 {
285         int ret;
286 
287         ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
288         if (ret)
289                 return ret;
290 
291         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
292 }
293 
294 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
295         unsigned int tx_mask, unsigned int rx_mask, int slots,
296         int slot_width)
297 {
298         struct snd_soc_component *component = dai->component;
299         unsigned int val = 0;
300         unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
301                                 SSI_NETWORK_DAC_RXSLOT_MASK;
302 
303         switch (slots) {
304         case 2:
305                 val |= SSI_NETWORK_DAC_SLOTS_2;
306                 break;
307         case 4:
308                 val |= SSI_NETWORK_DAC_SLOTS_4;
309                 break;
310         case 8:
311                 val |= SSI_NETWORK_DAC_SLOTS_8;
312                 break;
313         default:
314                 return -EINVAL;
315         }
316 
317         switch (rx_mask) {
318         case 0x03:
319                 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
320                 break;
321         case 0x0c:
322                 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
323                 break;
324         case 0x30:
325                 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
326                 break;
327         case 0xc0:
328                 val |= SSI_NETWORK_DAC_RXSLOT_6_7;
329                 break;
330         default:
331                 return -EINVAL;
332         }
333 
334         snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
335 
336         return 0;
337 }
338 
339 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
340         unsigned int tx_mask, unsigned int rx_mask, int slots,
341         int slot_width)
342 {
343         struct snd_soc_component *component = dai->component;
344         unsigned int val = 0;
345         unsigned int mask = 0x3f;
346 
347         if (slots != 4)
348                 return -EINVAL;
349 
350         if (tx_mask != 0x3)
351                 return -EINVAL;
352 
353         val |= (0x00 << 2);     /* primary timeslot RX/TX(?) is 0 */
354         val |= (0x01 << 4);     /* secondary timeslot TX is 1 */
355 
356         snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
357 
358         return 0;
359 }
360 
361 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
362         unsigned int tx_mask, unsigned int rx_mask, int slots,
363         int slot_width)
364 {
365         int ret;
366 
367         ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
368                         slot_width);
369         if (ret)
370                 return ret;
371 
372         ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
373                         slot_width);
374 
375         return ret;
376 }
377 
378 static const struct snd_kcontrol_new mc1l_amp_ctl =
379         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
380 
381 static const struct snd_kcontrol_new mc1r_amp_ctl =
382         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
383 
384 static const struct snd_kcontrol_new mc2_amp_ctl =
385         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
386 
387 static const struct snd_kcontrol_new atx_amp_ctl =
388         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
389 
390 
391 /* Virtual mux. The chip does the input selection automatically
392  * as soon as we enable one input. */
393 static const char * const adcl_enum_text[] = {
394         "MC1L", "RXINL",
395 };
396 
397 static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
398 
399 static const struct snd_kcontrol_new left_input_mux =
400         SOC_DAPM_ENUM("Route", adcl_enum);
401 
402 static const char * const adcr_enum_text[] = {
403         "MC1R", "MC2", "RXINR", "TXIN",
404 };
405 
406 static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
407 
408 static const struct snd_kcontrol_new right_input_mux =
409         SOC_DAPM_ENUM("Route", adcr_enum);
410 
411 static const struct snd_kcontrol_new samp_ctl =
412         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
413 
414 static const char * const speaker_amp_source_text[] = {
415         "CODEC", "Right"
416 };
417 static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
418                             speaker_amp_source_text);
419 static const struct snd_kcontrol_new speaker_amp_source_mux =
420         SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
421 
422 static const char * const headset_amp_source_text[] = {
423         "CODEC", "Mixer"
424 };
425 
426 static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
427                             headset_amp_source_text);
428 static const struct snd_kcontrol_new headset_amp_source_mux =
429         SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
430 
431 static const struct snd_kcontrol_new cdcout_ctl =
432         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
433 
434 static const struct snd_kcontrol_new adc_bypass_ctl =
435         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
436 
437 static const struct snd_kcontrol_new lamp_ctl =
438         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
439 
440 static const struct snd_kcontrol_new hlamp_ctl =
441         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
442 
443 static const struct snd_kcontrol_new hramp_ctl =
444         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
445 
446 static const struct snd_kcontrol_new llamp_ctl =
447         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
448 
449 static const struct snd_kcontrol_new lramp_ctl =
450         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
451 
452 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
453 /* Input */
454         SND_SOC_DAPM_INPUT("MC1LIN"),
455         SND_SOC_DAPM_INPUT("MC1RIN"),
456         SND_SOC_DAPM_INPUT("MC2IN"),
457         SND_SOC_DAPM_INPUT("RXINR"),
458         SND_SOC_DAPM_INPUT("RXINL"),
459         SND_SOC_DAPM_INPUT("TXIN"),
460 
461         SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
462         SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
463 
464         SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
465         SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
466         SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
467         SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
468 
469         SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
470                               &left_input_mux),
471         SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
472                               &right_input_mux),
473 
474         SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
475                          &speaker_amp_source_mux),
476 
477         SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
478                          &headset_amp_source_mux),
479 
480         SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
481         SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
482 
483         SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
484         SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
485 
486         SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
487         SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
488                         &adc_bypass_ctl),
489 
490 /* Output */
491         SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
492         SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
493         SND_SOC_DAPM_OUTPUT("RXOUTL"),
494         SND_SOC_DAPM_OUTPUT("RXOUTR"),
495         SND_SOC_DAPM_OUTPUT("HSL"),
496         SND_SOC_DAPM_OUTPUT("HSR"),
497         SND_SOC_DAPM_OUTPUT("LSPL"),
498         SND_SOC_DAPM_OUTPUT("LSP"),
499         SND_SOC_DAPM_OUTPUT("SP"),
500         SND_SOC_DAPM_OUTPUT("CDCOUT"),
501 
502         SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
503                         &cdcout_ctl),
504         SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
505                         &samp_ctl),
506         SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
507         SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
508                         &hlamp_ctl),
509         SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
510                         &hramp_ctl),
511         SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
512                         &llamp_ctl),
513         SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
514                         &lramp_ctl),
515         SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
516         SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
517 };
518 
519 static struct snd_soc_dapm_route mc13783_routes[] = {
520 /* Input */
521         { "MC1L Amp", NULL, "MC1LIN"},
522         { "MC1R Amp", NULL, "MC1RIN" },
523         { "MC2 Amp", NULL, "MC2IN" },
524         { "TXIN Amp", NULL, "TXIN"},
525 
526         { "PGA Left Input Mux", "MC1L", "MC1L Amp" },
527         { "PGA Left Input Mux", "RXINL", "RXINL"},
528         { "PGA Right Input Mux", "MC1R", "MC1R Amp" },
529         { "PGA Right Input Mux", "MC2",  "MC2 Amp"},
530         { "PGA Right Input Mux", "TXIN", "TXIN Amp"},
531         { "PGA Right Input Mux", "RXINR", "RXINR"},
532 
533         { "PGA Left Input", NULL, "PGA Left Input Mux"},
534         { "PGA Right Input", NULL, "PGA Right Input Mux"},
535 
536         { "ADC", NULL, "PGA Left Input"},
537         { "ADC", NULL, "PGA Right Input"},
538         { "ADC", NULL, "ADC_Reset"},
539 
540         { "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
541 
542         { "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
543         { "Speaker Amp Source MUX", "Right", "DAC PGA"},
544 
545         { "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
546         { "Headset Amp Source MUX", "Mixer", "DAC PGA"},
547 
548 /* Output */
549         { "HSL", NULL, "Headset Amp Left" },
550         { "HSR", NULL, "Headset Amp Right"},
551         { "RXOUTL", NULL, "Line out Amp Left"},
552         { "RXOUTR", NULL, "Line out Amp Right"},
553         { "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
554         { "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
555         { "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
556         { "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
557         { "Line out Amp Left", NULL, "DAC PGA"},
558         { "Line out Amp Right", NULL, "DAC PGA"},
559         { "DAC PGA", NULL, "DAC"},
560         { "DAC", NULL, "DAC_E"},
561         { "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
562 };
563 
564 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
565                                                 "Mono", "Mono Mix"};
566 
567 static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
568                             MC13783_AUDIO_RX1, 16,
569                             mc13783_3d_mixer);
570 
571 static struct snd_kcontrol_new mc13783_control_list[] = {
572         SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
573         SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
574         SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
575         SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
576         SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
577 
578         SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
579         SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
580         SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
581         SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
582 
583         SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
584         SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
585 
586         SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
587         SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
588 
589         SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
590         SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
591 
592         SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
593         SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
594 };
595 
596 static int mc13783_probe(struct snd_soc_component *component)
597 {
598         struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
599 
600         snd_soc_component_init_regmap(component,
601                                   dev_get_regmap(component->dev->parent, NULL));
602 
603         /* these are the reset values */
604         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
605         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
606         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
607         mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
608         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
609         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
610 
611         if (priv->adc_ssi_port == MC13783_SSI1_PORT)
612                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
613                                 AUDIO_SSI_SEL, 0);
614         else
615                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
616                                 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
617 
618         if (priv->dac_ssi_port == MC13783_SSI1_PORT)
619                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
620                                 AUDIO_SSI_SEL, 0);
621         else
622                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
623                                 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
624 
625         return 0;
626 }
627 
628 static void mc13783_remove(struct snd_soc_component *component)
629 {
630         struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
631 
632         /* Make sure VAUDIOON is off */
633         mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
634 }
635 
636 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
637 
638 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
639         SNDRV_PCM_FMTBIT_S24_LE)
640 
641 static const struct snd_soc_dai_ops mc13783_ops_dac = {
642         .hw_params      = mc13783_pcm_hw_params_dac,
643         .set_fmt        = mc13783_set_fmt_async,
644         .set_sysclk     = mc13783_set_sysclk_dac,
645         .set_tdm_slot   = mc13783_set_tdm_slot_dac,
646 };
647 
648 static const struct snd_soc_dai_ops mc13783_ops_codec = {
649         .hw_params      = mc13783_pcm_hw_params_codec,
650         .set_fmt        = mc13783_set_fmt_async,
651         .set_sysclk     = mc13783_set_sysclk_codec,
652         .set_tdm_slot   = mc13783_set_tdm_slot_codec,
653 };
654 
655 /*
656  * The mc13783 has two SSI ports, both of them can be routed either
657  * to the voice codec or the stereo DAC. When two different SSI ports
658  * are used for the voice codec and the stereo DAC we can do different
659  * formats and sysclock settings for playback and capture
660  * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
661  * forces us to use symmetric rates (mc13783-hifi).
662  */
663 static struct snd_soc_dai_driver mc13783_dai_async[] = {
664         {
665                 .name = "mc13783-hifi-playback",
666                 .id = MC13783_ID_STEREO_DAC,
667                 .playback = {
668                         .stream_name = "Playback",
669                         .channels_min = 2,
670                         .channels_max = 2,
671                         .rates = SNDRV_PCM_RATE_8000_96000,
672                         .formats = MC13783_FORMATS,
673                 },
674                 .ops = &mc13783_ops_dac,
675         }, {
676                 .name = "mc13783-hifi-capture",
677                 .id = MC13783_ID_STEREO_CODEC,
678                 .capture = {
679                         .stream_name = "Capture",
680                         .channels_min = 2,
681                         .channels_max = 2,
682                         .rates = MC13783_RATES_RECORD,
683                         .formats = MC13783_FORMATS,
684                 },
685                 .ops = &mc13783_ops_codec,
686         },
687 };
688 
689 static const struct snd_soc_dai_ops mc13783_ops_sync = {
690         .hw_params      = mc13783_pcm_hw_params_sync,
691         .set_fmt        = mc13783_set_fmt_sync,
692         .set_sysclk     = mc13783_set_sysclk_sync,
693         .set_tdm_slot   = mc13783_set_tdm_slot_sync,
694 };
695 
696 static struct snd_soc_dai_driver mc13783_dai_sync[] = {
697         {
698                 .name = "mc13783-hifi",
699                 .id = MC13783_ID_SYNC,
700                 .playback = {
701                         .stream_name = "Playback",
702                         .channels_min = 2,
703                         .channels_max = 2,
704                         .rates = SNDRV_PCM_RATE_8000_96000,
705                         .formats = MC13783_FORMATS,
706                 },
707                 .capture = {
708                         .stream_name = "Capture",
709                         .channels_min = 2,
710                         .channels_max = 2,
711                         .rates = MC13783_RATES_RECORD,
712                         .formats = MC13783_FORMATS,
713                 },
714                 .ops = &mc13783_ops_sync,
715                 .symmetric_rates = 1,
716         }
717 };
718 
719 static const struct snd_soc_component_driver soc_component_dev_mc13783 = {
720         .probe                  = mc13783_probe,
721         .remove                 = mc13783_remove,
722         .controls               = mc13783_control_list,
723         .num_controls           = ARRAY_SIZE(mc13783_control_list),
724         .dapm_widgets           = mc13783_dapm_widgets,
725         .num_dapm_widgets       = ARRAY_SIZE(mc13783_dapm_widgets),
726         .dapm_routes            = mc13783_routes,
727         .num_dapm_routes        = ARRAY_SIZE(mc13783_routes),
728         .idle_bias_on           = 1,
729         .use_pmdown_time        = 1,
730         .endianness             = 1,
731         .non_legacy_dai_naming  = 1,
732 };
733 
734 static int __init mc13783_codec_probe(struct platform_device *pdev)
735 {
736         struct mc13783_priv *priv;
737         struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
738         struct device_node *np;
739         int ret;
740 
741         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
742         if (!priv)
743                 return -ENOMEM;
744 
745         if (pdata) {
746                 priv->adc_ssi_port = pdata->adc_ssi_port;
747                 priv->dac_ssi_port = pdata->dac_ssi_port;
748         } else {
749                 np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
750                 if (!np)
751                         return -ENOSYS;
752 
753                 ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
754                 if (ret) {
755                         of_node_put(np);
756                         return ret;
757                 }
758 
759                 ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
760                 if (ret) {
761                         of_node_put(np);
762                         return ret;
763                 }
764 
765                 of_node_put(np);
766         }
767 
768         dev_set_drvdata(&pdev->dev, priv);
769         priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
770 
771         if (priv->adc_ssi_port == priv->dac_ssi_port)
772                 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
773                         mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
774         else
775                 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
776                         mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
777 
778         return ret;
779 }
780 
781 static int mc13783_codec_remove(struct platform_device *pdev)
782 {
783         return 0;
784 }
785 
786 static struct platform_driver mc13783_codec_driver = {
787         .driver = {
788                 .name   = "mc13783-codec",
789         },
790         .remove = mc13783_codec_remove,
791 };
792 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
793 
794 MODULE_DESCRIPTION("ASoC MC13783 driver");
795 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
796 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
797 MODULE_LICENSE("GPL");
798 

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