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, https://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
mc13783_pcm_hw_params_dac(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)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
mc13783_pcm_hw_params_codec(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)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
mc13783_pcm_hw_params_sync(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)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
mc13783_set_fmt(struct snd_soc_dai * dai,unsigned int fmt,unsigned int reg)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_CLOCK_PROVIDER_MASK) {
185 case SND_SOC_DAIFMT_CBP_CFP:
186 val |= AUDIO_C_CLK_EN;
187 break;
188 case SND_SOC_DAIFMT_CBC_CFC:
189 val |= AUDIO_CSM;
190 break;
191 default:
192 return -EINVAL;
193 }
194
195 val |= AUDIO_C_RESET;
196
197 snd_soc_component_update_bits(component, reg, mask, val);
198
199 return 0;
200 }
201
mc13783_set_fmt_async(struct snd_soc_dai * dai,unsigned int fmt)202 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
203 {
204 if (dai->id == MC13783_ID_STEREO_DAC)
205 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
206 else
207 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
208 }
209
mc13783_set_fmt_sync(struct snd_soc_dai * dai,unsigned int fmt)210 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
211 {
212 int ret;
213
214 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
215 if (ret)
216 return ret;
217
218 /*
219 * In synchronous mode force the voice codec into consumer mode
220 * so that the clock / framesync from the stereo DAC is used
221 */
222 fmt &= ~SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;
223 fmt |= SND_SOC_DAIFMT_CBC_CFC;
224 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
225
226 return ret;
227 }
228
229 static int mc13783_sysclk[] = {
230 13000000,
231 15360000,
232 16800000,
233 -1,
234 26000000,
235 -1, /* 12000000, invalid for voice codec */
236 -1, /* 3686400, invalid for voice codec */
237 33600000,
238 };
239
mc13783_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir,unsigned int reg)240 static int mc13783_set_sysclk(struct snd_soc_dai *dai,
241 int clk_id, unsigned int freq, int dir,
242 unsigned int reg)
243 {
244 struct snd_soc_component *component = dai->component;
245 int clk;
246 unsigned int val = 0;
247 unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
248
249 for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
250 if (mc13783_sysclk[clk] < 0)
251 continue;
252 if (mc13783_sysclk[clk] == freq)
253 break;
254 }
255
256 if (clk == ARRAY_SIZE(mc13783_sysclk))
257 return -EINVAL;
258
259 if (clk_id == MC13783_CLK_CLIB)
260 val |= AUDIO_CLK_SEL;
261
262 val |= AUDIO_CLK(clk);
263
264 snd_soc_component_update_bits(component, reg, mask, val);
265
266 return 0;
267 }
268
mc13783_set_sysclk_dac(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)269 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
270 int clk_id, unsigned int freq, int dir)
271 {
272 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
273 }
274
mc13783_set_sysclk_codec(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)275 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
276 int clk_id, unsigned int freq, int dir)
277 {
278 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
279 }
280
mc13783_set_sysclk_sync(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)281 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
282 int clk_id, unsigned int freq, int dir)
283 {
284 int ret;
285
286 ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
287 if (ret)
288 return ret;
289
290 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
291 }
292
mc13783_set_tdm_slot_dac(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)293 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
294 unsigned int tx_mask, unsigned int rx_mask, int slots,
295 int slot_width)
296 {
297 struct snd_soc_component *component = dai->component;
298 unsigned int val = 0;
299 unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
300 SSI_NETWORK_DAC_RXSLOT_MASK;
301
302 switch (slots) {
303 case 2:
304 val |= SSI_NETWORK_DAC_SLOTS_2;
305 break;
306 case 4:
307 val |= SSI_NETWORK_DAC_SLOTS_4;
308 break;
309 case 8:
310 val |= SSI_NETWORK_DAC_SLOTS_8;
311 break;
312 default:
313 return -EINVAL;
314 }
315
316 switch (rx_mask) {
317 case 0x03:
318 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
319 break;
320 case 0x0c:
321 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
322 break;
323 case 0x30:
324 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
325 break;
326 case 0xc0:
327 val |= SSI_NETWORK_DAC_RXSLOT_6_7;
328 break;
329 default:
330 return -EINVAL;
331 }
332
333 snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
334
335 return 0;
336 }
337
mc13783_set_tdm_slot_codec(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)338 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
339 unsigned int tx_mask, unsigned int rx_mask, int slots,
340 int slot_width)
341 {
342 struct snd_soc_component *component = dai->component;
343 unsigned int val = 0;
344 unsigned int mask = 0x3f;
345
346 if (slots != 4)
347 return -EINVAL;
348
349 if (tx_mask != 0x3)
350 return -EINVAL;
351
352 val |= (0x00 << 2); /* primary timeslot RX/TX(?) is 0 */
353 val |= (0x01 << 4); /* secondary timeslot TX is 1 */
354
355 snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
356
357 return 0;
358 }
359
mc13783_set_tdm_slot_sync(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)360 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
361 unsigned int tx_mask, unsigned int rx_mask, int slots,
362 int slot_width)
363 {
364 int ret;
365
366 ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
367 slot_width);
368 if (ret)
369 return ret;
370
371 ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
372 slot_width);
373
374 return ret;
375 }
376
377 static const struct snd_kcontrol_new mc1l_amp_ctl =
378 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
379
380 static const struct snd_kcontrol_new mc1r_amp_ctl =
381 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
382
383 static const struct snd_kcontrol_new mc2_amp_ctl =
384 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
385
386 static const struct snd_kcontrol_new atx_amp_ctl =
387 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
388
389
390 /* Virtual mux. The chip does the input selection automatically
391 * as soon as we enable one input. */
392 static const char * const adcl_enum_text[] = {
393 "MC1L", "RXINL",
394 };
395
396 static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
397
398 static const struct snd_kcontrol_new left_input_mux =
399 SOC_DAPM_ENUM("Route", adcl_enum);
400
401 static const char * const adcr_enum_text[] = {
402 "MC1R", "MC2", "RXINR", "TXIN",
403 };
404
405 static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
406
407 static const struct snd_kcontrol_new right_input_mux =
408 SOC_DAPM_ENUM("Route", adcr_enum);
409
410 static const struct snd_kcontrol_new samp_ctl =
411 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
412
413 static const char * const speaker_amp_source_text[] = {
414 "CODEC", "Right"
415 };
416 static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
417 speaker_amp_source_text);
418 static const struct snd_kcontrol_new speaker_amp_source_mux =
419 SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
420
421 static const char * const headset_amp_source_text[] = {
422 "CODEC", "Mixer"
423 };
424
425 static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
426 headset_amp_source_text);
427 static const struct snd_kcontrol_new headset_amp_source_mux =
428 SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
429
430 static const struct snd_kcontrol_new cdcout_ctl =
431 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
432
433 static const struct snd_kcontrol_new adc_bypass_ctl =
434 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
435
436 static const struct snd_kcontrol_new lamp_ctl =
437 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
438
439 static const struct snd_kcontrol_new hlamp_ctl =
440 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
441
442 static const struct snd_kcontrol_new hramp_ctl =
443 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
444
445 static const struct snd_kcontrol_new llamp_ctl =
446 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
447
448 static const struct snd_kcontrol_new lramp_ctl =
449 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
450
451 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
452 /* Input */
453 SND_SOC_DAPM_INPUT("MC1LIN"),
454 SND_SOC_DAPM_INPUT("MC1RIN"),
455 SND_SOC_DAPM_INPUT("MC2IN"),
456 SND_SOC_DAPM_INPUT("RXINR"),
457 SND_SOC_DAPM_INPUT("RXINL"),
458 SND_SOC_DAPM_INPUT("TXIN"),
459
460 SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
461 SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
462
463 SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
464 SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
465 SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
466 SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
467
468 SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
469 &left_input_mux),
470 SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
471 &right_input_mux),
472
473 SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
474 &speaker_amp_source_mux),
475
476 SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
477 &headset_amp_source_mux),
478
479 SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
480 SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
481
482 SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
483 SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
484
485 SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
486 SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
487 &adc_bypass_ctl),
488
489 /* Output */
490 SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
491 SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
492 SND_SOC_DAPM_OUTPUT("RXOUTL"),
493 SND_SOC_DAPM_OUTPUT("RXOUTR"),
494 SND_SOC_DAPM_OUTPUT("HSL"),
495 SND_SOC_DAPM_OUTPUT("HSR"),
496 SND_SOC_DAPM_OUTPUT("LSPL"),
497 SND_SOC_DAPM_OUTPUT("LSP"),
498 SND_SOC_DAPM_OUTPUT("SP"),
499 SND_SOC_DAPM_OUTPUT("CDCOUT"),
500
501 SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
502 &cdcout_ctl),
503 SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
504 &samp_ctl),
505 SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
506 SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
507 &hlamp_ctl),
508 SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
509 &hramp_ctl),
510 SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
511 &llamp_ctl),
512 SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
513 &lramp_ctl),
514 SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
515 SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
516 };
517
518 static struct snd_soc_dapm_route mc13783_routes[] = {
519 /* Input */
520 { "MC1L Amp", NULL, "MC1LIN"},
521 { "MC1R Amp", NULL, "MC1RIN" },
522 { "MC2 Amp", NULL, "MC2IN" },
523 { "TXIN Amp", NULL, "TXIN"},
524
525 { "PGA Left Input Mux", "MC1L", "MC1L Amp" },
526 { "PGA Left Input Mux", "RXINL", "RXINL"},
527 { "PGA Right Input Mux", "MC1R", "MC1R Amp" },
528 { "PGA Right Input Mux", "MC2", "MC2 Amp"},
529 { "PGA Right Input Mux", "TXIN", "TXIN Amp"},
530 { "PGA Right Input Mux", "RXINR", "RXINR"},
531
532 { "PGA Left Input", NULL, "PGA Left Input Mux"},
533 { "PGA Right Input", NULL, "PGA Right Input Mux"},
534
535 { "ADC", NULL, "PGA Left Input"},
536 { "ADC", NULL, "PGA Right Input"},
537 { "ADC", NULL, "ADC_Reset"},
538
539 { "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
540
541 { "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
542 { "Speaker Amp Source MUX", "Right", "DAC PGA"},
543
544 { "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
545 { "Headset Amp Source MUX", "Mixer", "DAC PGA"},
546
547 /* Output */
548 { "HSL", NULL, "Headset Amp Left" },
549 { "HSR", NULL, "Headset Amp Right"},
550 { "RXOUTL", NULL, "Line out Amp Left"},
551 { "RXOUTR", NULL, "Line out Amp Right"},
552 { "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
553 { "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
554 { "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
555 { "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
556 { "Line out Amp Left", NULL, "DAC PGA"},
557 { "Line out Amp Right", NULL, "DAC PGA"},
558 { "DAC PGA", NULL, "DAC"},
559 { "DAC", NULL, "DAC_E"},
560 { "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
561 };
562
563 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
564 "Mono", "Mono Mix"};
565
566 static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
567 MC13783_AUDIO_RX1, 16,
568 mc13783_3d_mixer);
569
570 static struct snd_kcontrol_new mc13783_control_list[] = {
571 SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
572 SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
573 SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
574 SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
575 SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
576
577 SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
578 SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
579 SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
580 SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
581
582 SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
583 SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
584
585 SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
586 SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
587
588 SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
589 SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
590
591 SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
592 SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
593 };
594
mc13783_probe(struct snd_soc_component * component)595 static int mc13783_probe(struct snd_soc_component *component)
596 {
597 struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
598
599 snd_soc_component_init_regmap(component,
600 dev_get_regmap(component->dev->parent, NULL));
601
602 /* these are the reset values */
603 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
604 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
605 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
606 mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
607 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
608 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
609
610 if (priv->adc_ssi_port == MC13783_SSI1_PORT)
611 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
612 AUDIO_SSI_SEL, 0);
613 else
614 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
615 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
616
617 if (priv->dac_ssi_port == MC13783_SSI1_PORT)
618 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
619 AUDIO_SSI_SEL, 0);
620 else
621 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
622 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
623
624 return 0;
625 }
626
mc13783_remove(struct snd_soc_component * component)627 static void mc13783_remove(struct snd_soc_component *component)
628 {
629 struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
630
631 /* Make sure VAUDIOON is off */
632 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
633 }
634
635 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
636
637 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
638 SNDRV_PCM_FMTBIT_S24_LE)
639
640 static const struct snd_soc_dai_ops mc13783_ops_dac = {
641 .hw_params = mc13783_pcm_hw_params_dac,
642 .set_fmt = mc13783_set_fmt_async,
643 .set_sysclk = mc13783_set_sysclk_dac,
644 .set_tdm_slot = mc13783_set_tdm_slot_dac,
645 };
646
647 static const struct snd_soc_dai_ops mc13783_ops_codec = {
648 .hw_params = mc13783_pcm_hw_params_codec,
649 .set_fmt = mc13783_set_fmt_async,
650 .set_sysclk = mc13783_set_sysclk_codec,
651 .set_tdm_slot = mc13783_set_tdm_slot_codec,
652 };
653
654 /*
655 * The mc13783 has two SSI ports, both of them can be routed either
656 * to the voice codec or the stereo DAC. When two different SSI ports
657 * are used for the voice codec and the stereo DAC we can do different
658 * formats and sysclock settings for playback and capture
659 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
660 * forces us to use symmetric rates (mc13783-hifi).
661 */
662 static struct snd_soc_dai_driver mc13783_dai_async[] = {
663 {
664 .name = "mc13783-hifi-playback",
665 .id = MC13783_ID_STEREO_DAC,
666 .playback = {
667 .stream_name = "Playback",
668 .channels_min = 2,
669 .channels_max = 2,
670 .rates = SNDRV_PCM_RATE_8000_96000,
671 .formats = MC13783_FORMATS,
672 },
673 .ops = &mc13783_ops_dac,
674 }, {
675 .name = "mc13783-hifi-capture",
676 .id = MC13783_ID_STEREO_CODEC,
677 .capture = {
678 .stream_name = "Capture",
679 .channels_min = 2,
680 .channels_max = 2,
681 .rates = MC13783_RATES_RECORD,
682 .formats = MC13783_FORMATS,
683 },
684 .ops = &mc13783_ops_codec,
685 },
686 };
687
688 static const struct snd_soc_dai_ops mc13783_ops_sync = {
689 .hw_params = mc13783_pcm_hw_params_sync,
690 .set_fmt = mc13783_set_fmt_sync,
691 .set_sysclk = mc13783_set_sysclk_sync,
692 .set_tdm_slot = mc13783_set_tdm_slot_sync,
693 };
694
695 static struct snd_soc_dai_driver mc13783_dai_sync[] = {
696 {
697 .name = "mc13783-hifi",
698 .id = MC13783_ID_SYNC,
699 .playback = {
700 .stream_name = "Playback",
701 .channels_min = 2,
702 .channels_max = 2,
703 .rates = SNDRV_PCM_RATE_8000_96000,
704 .formats = MC13783_FORMATS,
705 },
706 .capture = {
707 .stream_name = "Capture",
708 .channels_min = 2,
709 .channels_max = 2,
710 .rates = MC13783_RATES_RECORD,
711 .formats = MC13783_FORMATS,
712 },
713 .ops = &mc13783_ops_sync,
714 .symmetric_rate = 1,
715 }
716 };
717
718 static const struct snd_soc_component_driver soc_component_dev_mc13783 = {
719 .probe = mc13783_probe,
720 .remove = mc13783_remove,
721 .controls = mc13783_control_list,
722 .num_controls = ARRAY_SIZE(mc13783_control_list),
723 .dapm_widgets = mc13783_dapm_widgets,
724 .num_dapm_widgets = ARRAY_SIZE(mc13783_dapm_widgets),
725 .dapm_routes = mc13783_routes,
726 .num_dapm_routes = ARRAY_SIZE(mc13783_routes),
727 .idle_bias_on = 1,
728 .use_pmdown_time = 1,
729 .endianness = 1,
730 };
731
mc13783_codec_probe(struct platform_device * pdev)732 static int __init mc13783_codec_probe(struct platform_device *pdev)
733 {
734 struct mc13783_priv *priv;
735 struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
736 struct device_node *np;
737 int ret;
738
739 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
740 if (!priv)
741 return -ENOMEM;
742
743 if (pdata) {
744 priv->adc_ssi_port = pdata->adc_ssi_port;
745 priv->dac_ssi_port = pdata->dac_ssi_port;
746 } else {
747 np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
748 if (!np)
749 return -ENOSYS;
750
751 ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
752 if (ret) {
753 of_node_put(np);
754 return ret;
755 }
756
757 ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
758 if (ret) {
759 of_node_put(np);
760 return ret;
761 }
762
763 of_node_put(np);
764 }
765
766 dev_set_drvdata(&pdev->dev, priv);
767 priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
768
769 if (priv->adc_ssi_port == priv->dac_ssi_port)
770 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
771 mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
772 else
773 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
774 mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
775
776 return ret;
777 }
778
779 static struct platform_driver mc13783_codec_driver = {
780 .driver = {
781 .name = "mc13783-codec",
782 },
783 };
784 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
785
786 MODULE_DESCRIPTION("ASoC MC13783 driver");
787 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
788 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
789 MODULE_LICENSE("GPL");
790
