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Merge tag 'xtensa-20180225' of git://github.com/jcmvbkbc/linux-xtensa
[cris-mirror.git] / sound / soc / sunxi / sun4i-codec.c
blob886281673972898cee7950d32ca0ce9c2804039a
1 /*
2 * Copyright 2014 Emilio López <emilio@elopez.com.ar>
3 * Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
4 * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
5 * Copyright 2015 Adam Sampson <ats@offog.org>
6 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
7 *
8 * Based on the Allwinner SDK driver, released under the GPL.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/module.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/slab.h>
27 #include <linux/of.h>
28 #include <linux/of_address.h>
29 #include <linux/of_device.h>
30 #include <linux/of_platform.h>
31 #include <linux/clk.h>
32 #include <linux/regmap.h>
33 #include <linux/reset.h>
34 #include <linux/gpio/consumer.h>
35
36 #include <sound/core.h>
37 #include <sound/pcm.h>
38 #include <sound/pcm_params.h>
39 #include <sound/soc.h>
40 #include <sound/tlv.h>
41 #include <sound/initval.h>
42 #include <sound/dmaengine_pcm.h>
43
44 /* Codec DAC digital controls and FIFO registers */
45 #define SUN4I_CODEC_DAC_DPC (0x00)
46 #define SUN4I_CODEC_DAC_DPC_EN_DA (31)
47 #define SUN4I_CODEC_DAC_DPC_DVOL (12)
48 #define SUN4I_CODEC_DAC_FIFOC (0x04)
49 #define SUN4I_CODEC_DAC_FIFOC_DAC_FS (29)
50 #define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION (28)
51 #define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT (26)
52 #define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE (24)
53 #define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT (21)
54 #define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL (8)
55 #define SUN4I_CODEC_DAC_FIFOC_MONO_EN (6)
56 #define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS (5)
57 #define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN (4)
58 #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0)
59 #define SUN4I_CODEC_DAC_FIFOS (0x08)
60 #define SUN4I_CODEC_DAC_TXDATA (0x0c)
61
62 /* Codec DAC side analog signal controls */
63 #define SUN4I_CODEC_DAC_ACTL (0x10)
64 #define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
65 #define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
66 #define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
67 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
68 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
69 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
70 #define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
71 #define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
72 #define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
73 #define SUN4I_CODEC_DAC_ACTL_PA_VOL (0)
74 #define SUN4I_CODEC_DAC_TUNE (0x14)
75 #define SUN4I_CODEC_DAC_DEBUG (0x18)
76
77 /* Codec ADC digital controls and FIFO registers */
78 #define SUN4I_CODEC_ADC_FIFOC (0x1c)
79 #define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29)
80 #define SUN4I_CODEC_ADC_FIFOC_EN_AD (28)
81 #define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24)
82 #define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8)
83 #define SUN4I_CODEC_ADC_FIFOC_MONO_EN (7)
84 #define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS (6)
85 #define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN (4)
86 #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0)
87 #define SUN4I_CODEC_ADC_FIFOS (0x20)
88 #define SUN4I_CODEC_ADC_RXDATA (0x24)
89
90 /* Codec ADC side analog signal controls */
91 #define SUN4I_CODEC_ADC_ACTL (0x28)
92 #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31)
93 #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30)
94 #define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
95 #define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
96 #define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
97 #define SUN4I_CODEC_ADC_ACTL_VADCG (20)
98 #define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
99 #define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
100 #define SUN4I_CODEC_ADC_ACTL_DDE (3)
101 #define SUN4I_CODEC_ADC_DEBUG (0x2c)
102
103 /* FIFO counters */
104 #define SUN4I_CODEC_DAC_TXCNT (0x30)
105 #define SUN4I_CODEC_ADC_RXCNT (0x34)
106
107 /* Calibration register (sun7i only) */
108 #define SUN7I_CODEC_AC_DAC_CAL (0x38)
109
110 /* Microphone controls (sun7i only) */
111 #define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
112
113 /*
114 * sun6i specific registers
115 *
116 * sun6i shares the same digital control and FIFO registers as sun4i,
117 * but only the DAC digital controls are at the same offset. The others
118 * have been moved around to accommodate extra analog controls.
119 */
120
121 /* Codec DAC digital controls and FIFO registers */
122 #define SUN6I_CODEC_ADC_FIFOC (0x10)
123 #define SUN6I_CODEC_ADC_FIFOC_EN_AD (28)
124 #define SUN6I_CODEC_ADC_FIFOS (0x14)
125 #define SUN6I_CODEC_ADC_RXDATA (0x18)
126
127 /* Output mixer and gain controls */
128 #define SUN6I_CODEC_OM_DACA_CTRL (0x20)
129 #define SUN6I_CODEC_OM_DACA_CTRL_DACAREN (31)
130 #define SUN6I_CODEC_OM_DACA_CTRL_DACALEN (30)
131 #define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN (29)
132 #define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN (28)
133 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1 (23)
134 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2 (22)
135 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE (21)
136 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP (20)
137 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR (19)
138 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR (18)
139 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL (17)
140 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1 (16)
141 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2 (15)
142 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE (14)
143 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN (13)
144 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL (12)
145 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL (11)
146 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR (10)
147 #define SUN6I_CODEC_OM_DACA_CTRL_RHPIS (9)
148 #define SUN6I_CODEC_OM_DACA_CTRL_LHPIS (8)
149 #define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE (7)
150 #define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE (6)
151 #define SUN6I_CODEC_OM_DACA_CTRL_HPVOL (0)
152 #define SUN6I_CODEC_OM_PA_CTRL (0x24)
153 #define SUN6I_CODEC_OM_PA_CTRL_HPPAEN (31)
154 #define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL (29)
155 #define SUN6I_CODEC_OM_PA_CTRL_COMPTEN (28)
156 #define SUN6I_CODEC_OM_PA_CTRL_MIC1G (15)
157 #define SUN6I_CODEC_OM_PA_CTRL_MIC2G (12)
158 #define SUN6I_CODEC_OM_PA_CTRL_LINEING (9)
159 #define SUN6I_CODEC_OM_PA_CTRL_PHONEG (6)
160 #define SUN6I_CODEC_OM_PA_CTRL_PHONEPG (3)
161 #define SUN6I_CODEC_OM_PA_CTRL_PHONENG (0)
162
163 /* Microphone, line out and phone out controls */
164 #define SUN6I_CODEC_MIC_CTRL (0x28)
165 #define SUN6I_CODEC_MIC_CTRL_HBIASEN (31)
166 #define SUN6I_CODEC_MIC_CTRL_MBIASEN (30)
167 #define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN (28)
168 #define SUN6I_CODEC_MIC_CTRL_MIC1BOOST (25)
169 #define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN (24)
170 #define SUN6I_CODEC_MIC_CTRL_MIC2BOOST (21)
171 #define SUN6I_CODEC_MIC_CTRL_MIC2SLT (20)
172 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN (19)
173 #define SUN6I_CODEC_MIC_CTRL_LINEOUTREN (18)
174 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC (17)
175 #define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC (16)
176 #define SUN6I_CODEC_MIC_CTRL_LINEOUTVC (11)
177 #define SUN6I_CODEC_MIC_CTRL_PHONEPREG (8)
178
179 /* ADC mixer controls */
180 #define SUN6I_CODEC_ADC_ACTL (0x2c)
181 #define SUN6I_CODEC_ADC_ACTL_ADCREN (31)
182 #define SUN6I_CODEC_ADC_ACTL_ADCLEN (30)
183 #define SUN6I_CODEC_ADC_ACTL_ADCRG (27)
184 #define SUN6I_CODEC_ADC_ACTL_ADCLG (24)
185 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1 (13)
186 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2 (12)
187 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE (11)
188 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP (10)
189 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR (9)
190 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR (8)
191 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL (7)
192 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1 (6)
193 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2 (5)
194 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE (4)
195 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN (3)
196 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL (2)
197 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL (1)
198 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR (0)
199
200 /* Analog performance tuning controls */
201 #define SUN6I_CODEC_ADDA_TUNE (0x30)
202
203 /* Calibration controls */
204 #define SUN6I_CODEC_CALIBRATION (0x34)
205
206 /* FIFO counters */
207 #define SUN6I_CODEC_DAC_TXCNT (0x40)
208 #define SUN6I_CODEC_ADC_RXCNT (0x44)
209
210 /* headset jack detection and button support registers */
211 #define SUN6I_CODEC_HMIC_CTL (0x50)
212 #define SUN6I_CODEC_HMIC_DATA (0x54)
213
214 /* TODO sun6i DAP (Digital Audio Processing) bits */
215
216 /* FIFO counters moved on A23 */
217 #define SUN8I_A23_CODEC_DAC_TXCNT (0x1c)
218 #define SUN8I_A23_CODEC_ADC_RXCNT (0x20)
219
220 /* TX FIFO moved on H3 */
221 #define SUN8I_H3_CODEC_DAC_TXDATA (0x20)
222 #define SUN8I_H3_CODEC_DAC_DBG (0x48)
223 #define SUN8I_H3_CODEC_ADC_DBG (0x4c)
224
225 /* TODO H3 DAP (Digital Audio Processing) bits */
226
227 struct sun4i_codec {
228 struct device *dev;
229 struct regmap *regmap;
230 struct clk *clk_apb;
231 struct clk *clk_module;
232 struct reset_control *rst;
233 struct gpio_desc *gpio_pa;
234
235 /* ADC_FIFOC register is at different offset on different SoCs */
236 struct regmap_field *reg_adc_fifoc;
237
238 struct snd_dmaengine_dai_dma_data capture_dma_data;
239 struct snd_dmaengine_dai_dma_data playback_dma_data;
240 };
241
242 static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
243 {
244 /* Flush TX FIFO */
245 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
246 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
247 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
248
249 /* Enable DAC DRQ */
250 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
251 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
252 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
253 }
254
255 static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
256 {
257 /* Disable DAC DRQ */
258 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
259 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
260 0);
261 }
262
263 static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
264 {
265 /* Enable ADC DRQ */
266 regmap_field_update_bits(scodec->reg_adc_fifoc,
267 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
268 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
269 }
270
271 static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
272 {
273 /* Disable ADC DRQ */
274 regmap_field_update_bits(scodec->reg_adc_fifoc,
275 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
276 }
277
278 static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
279 struct snd_soc_dai *dai)
280 {
281 struct snd_soc_pcm_runtime *rtd = substream->private_data;
282 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
283
284 switch (cmd) {
285 case SNDRV_PCM_TRIGGER_START:
286 case SNDRV_PCM_TRIGGER_RESUME:
287 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
288 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
289 sun4i_codec_start_playback(scodec);
290 else
291 sun4i_codec_start_capture(scodec);
292 break;
293
294 case SNDRV_PCM_TRIGGER_STOP:
295 case SNDRV_PCM_TRIGGER_SUSPEND:
296 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
297 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
298 sun4i_codec_stop_playback(scodec);
299 else
300 sun4i_codec_stop_capture(scodec);
301 break;
302
303 default:
304 return -EINVAL;
305 }
306
307 return 0;
308 }
309
310 static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
311 struct snd_soc_dai *dai)
312 {
313 struct snd_soc_pcm_runtime *rtd = substream->private_data;
314 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
315
316
317 /* Flush RX FIFO */
318 regmap_field_update_bits(scodec->reg_adc_fifoc,
319 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
320 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
321
322
323 /* Set RX FIFO trigger level */
324 regmap_field_update_bits(scodec->reg_adc_fifoc,
325 0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
326 0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
327
328 /*
329 * FIXME: Undocumented in the datasheet, but
330 * Allwinner's code mentions that it is related
331 * related to microphone gain
332 */
333 if (of_device_is_compatible(scodec->dev->of_node,
334 "allwinner,sun4i-a10-codec") ||
335 of_device_is_compatible(scodec->dev->of_node,
336 "allwinner,sun7i-a20-codec")) {
337 regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
338 0x3 << 25,
339 0x1 << 25);
340 }
341
342 if (of_device_is_compatible(scodec->dev->of_node,
343 "allwinner,sun7i-a20-codec"))
344 /* FIXME: Undocumented bits */
345 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
346 0x3 << 8,
347 0x1 << 8);
348
349 return 0;
350 }
351
352 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
353 struct snd_soc_dai *dai)
354 {
355 struct snd_soc_pcm_runtime *rtd = substream->private_data;
356 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
357 u32 val;
358
359 /* Flush the TX FIFO */
360 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
361 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
362 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
363
364 /* Set TX FIFO Empty Trigger Level */
365 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
366 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
367 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
368
369 if (substream->runtime->rate > 32000)
370 /* Use 64 bits FIR filter */
371 val = 0;
372 else
373 /* Use 32 bits FIR filter */
374 val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
375
376 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
377 BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
378 val);
379
380 /* Send zeros when we have an underrun */
381 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
382 BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
383 0);
384
385 return 0;
386 };
387
388 static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
389 struct snd_soc_dai *dai)
390 {
391 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
392 return sun4i_codec_prepare_playback(substream, dai);
393
394 return sun4i_codec_prepare_capture(substream, dai);
395 }
396
397 static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
398 {
399 unsigned int rate = params_rate(params);
400
401 switch (rate) {
402 case 176400:
403 case 88200:
404 case 44100:
405 case 33075:
406 case 22050:
407 case 14700:
408 case 11025:
409 case 7350:
410 return 22579200;
411
412 case 192000:
413 case 96000:
414 case 48000:
415 case 32000:
416 case 24000:
417 case 16000:
418 case 12000:
419 case 8000:
420 return 24576000;
421
422 default:
423 return 0;
424 }
425 }
426
427 static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
428 {
429 unsigned int rate = params_rate(params);
430
431 switch (rate) {
432 case 192000:
433 case 176400:
434 return 6;
435
436 case 96000:
437 case 88200:
438 return 7;
439
440 case 48000:
441 case 44100:
442 return 0;
443
444 case 32000:
445 case 33075:
446 return 1;
447
448 case 24000:
449 case 22050:
450 return 2;
451
452 case 16000:
453 case 14700:
454 return 3;
455
456 case 12000:
457 case 11025:
458 return 4;
459
460 case 8000:
461 case 7350:
462 return 5;
463
464 default:
465 return -EINVAL;
466 }
467 }
468
469 static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
470 struct snd_pcm_hw_params *params,
471 unsigned int hwrate)
472 {
473 /* Set ADC sample rate */
474 regmap_field_update_bits(scodec->reg_adc_fifoc,
475 7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
476 hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
477
478 /* Set the number of channels we want to use */
479 if (params_channels(params) == 1)
480 regmap_field_update_bits(scodec->reg_adc_fifoc,
481 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
482 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
483 else
484 regmap_field_update_bits(scodec->reg_adc_fifoc,
485 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
486 0);
487
488 /* Set the number of sample bits to either 16 or 24 bits */
489 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
490 regmap_field_update_bits(scodec->reg_adc_fifoc,
491 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
492 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
493
494 regmap_field_update_bits(scodec->reg_adc_fifoc,
495 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
496 0);
497
498 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
499 } else {
500 regmap_field_update_bits(scodec->reg_adc_fifoc,
501 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
502 0);
503
504 /* Fill most significant bits with valid data MSB */
505 regmap_field_update_bits(scodec->reg_adc_fifoc,
506 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
507 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
508
509 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
510 }
511
512 return 0;
513 }
514
515 static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
516 struct snd_pcm_hw_params *params,
517 unsigned int hwrate)
518 {
519 u32 val;
520
521 /* Set DAC sample rate */
522 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
523 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
524 hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
525
526 /* Set the number of channels we want to use */
527 if (params_channels(params) == 1)
528 val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
529 else
530 val = 0;
531
532 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
533 BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
534 val);
535
536 /* Set the number of sample bits to either 16 or 24 bits */
537 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
538 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
539 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
540 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
541
542 /* Set TX FIFO mode to padding the LSBs with 0 */
543 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
544 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
545 0);
546
547 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
548 } else {
549 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
550 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
551 0);
552
553 /* Set TX FIFO mode to repeat the MSB */
554 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
555 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
556 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
557
558 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
559 }
560
561 return 0;
562 }
563
564 static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
565 struct snd_pcm_hw_params *params,
566 struct snd_soc_dai *dai)
567 {
568 struct snd_soc_pcm_runtime *rtd = substream->private_data;
569 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
570 unsigned long clk_freq;
571 int ret, hwrate;
572
573 clk_freq = sun4i_codec_get_mod_freq(params);
574 if (!clk_freq)
575 return -EINVAL;
576
577 ret = clk_set_rate(scodec->clk_module, clk_freq);
578 if (ret)
579 return ret;
580
581 hwrate = sun4i_codec_get_hw_rate(params);
582 if (hwrate < 0)
583 return hwrate;
584
585 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
586 return sun4i_codec_hw_params_playback(scodec, params,
587 hwrate);
588
589 return sun4i_codec_hw_params_capture(scodec, params,
590 hwrate);
591 }
592
593
594 static unsigned int sun4i_codec_src_rates[] = {
595 8000, 11025, 12000, 16000, 22050, 24000, 32000,
596 44100, 48000, 96000, 192000
597 };
598
599
600 static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
601 .count = ARRAY_SIZE(sun4i_codec_src_rates),
602 .list = sun4i_codec_src_rates,
603 };
604
605
606 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
607 struct snd_soc_dai *dai)
608 {
609 struct snd_soc_pcm_runtime *rtd = substream->private_data;
610 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
611
612 snd_pcm_hw_constraint_list(substream->runtime, 0,
613 SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints);
614
615 /*
616 * Stop issuing DRQ when we have room for less than 16 samples
617 * in our TX FIFO
618 */
619 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
620 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
621 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
622
623 return clk_prepare_enable(scodec->clk_module);
624 }
625
626 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
627 struct snd_soc_dai *dai)
628 {
629 struct snd_soc_pcm_runtime *rtd = substream->private_data;
630 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
631
632 clk_disable_unprepare(scodec->clk_module);
633 }
634
635 static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
636 .startup = sun4i_codec_startup,
637 .shutdown = sun4i_codec_shutdown,
638 .trigger = sun4i_codec_trigger,
639 .hw_params = sun4i_codec_hw_params,
640 .prepare = sun4i_codec_prepare,
641 };
642
643 static struct snd_soc_dai_driver sun4i_codec_dai = {
644 .name = "Codec",
645 .ops = &sun4i_codec_dai_ops,
646 .playback = {
647 .stream_name = "Codec Playback",
648 .channels_min = 1,
649 .channels_max = 2,
650 .rate_min = 8000,
651 .rate_max = 192000,
652 .rates = SNDRV_PCM_RATE_CONTINUOUS,
653 .formats = SNDRV_PCM_FMTBIT_S16_LE |
654 SNDRV_PCM_FMTBIT_S32_LE,
655 .sig_bits = 24,
656 },
657 .capture = {
658 .stream_name = "Codec Capture",
659 .channels_min = 1,
660 .channels_max = 2,
661 .rate_min = 8000,
662 .rate_max = 48000,
663 .rates = SNDRV_PCM_RATE_CONTINUOUS,
664 .formats = SNDRV_PCM_FMTBIT_S16_LE |
665 SNDRV_PCM_FMTBIT_S32_LE,
666 .sig_bits = 24,
667 },
668 };
669
670 /*** sun4i Codec ***/
671 static const struct snd_kcontrol_new sun4i_codec_pa_mute =
672 SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
673 SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
674
675 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
676
677 static const struct snd_kcontrol_new sun4i_codec_controls[] = {
678 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
679 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
680 sun4i_codec_pa_volume_scale),
681 };
682
683 static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
684 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
685 SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
686 };
687
688 static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
689 SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
690 SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
691 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
692 SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
693 };
694
695 static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
696 SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
697 SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
698 SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
699 SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
700 };
701
702 static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
703 /* Digital parts of the ADCs */
704 SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
705 SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
706 NULL, 0),
707
708 /* Digital parts of the DACs */
709 SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
710 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
711 NULL, 0),
712
713 /* Analog parts of the ADCs */
714 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
715 SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
716 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
717 SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
718
719 /* Analog parts of the DACs */
720 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
721 SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
722 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
723 SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
724
725 /* Mixers */
726 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
727 sun4i_codec_left_mixer_controls,
728 ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
729 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
730 sun4i_codec_right_mixer_controls,
731 ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
732
733 /* Global Mixer Enable */
734 SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
735 SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
736
737 /* VMIC */
738 SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
739 SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
740
741 /* Mic Pre-Amplifiers */
742 SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
743 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
744
745 /* Power Amplifier */
746 SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
747 SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
748 sun4i_codec_pa_mixer_controls,
749 ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
750 SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
751 &sun4i_codec_pa_mute),
752
753 SND_SOC_DAPM_INPUT("Mic1"),
754
755 SND_SOC_DAPM_OUTPUT("HP Right"),
756 SND_SOC_DAPM_OUTPUT("HP Left"),
757 };
758
759 static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
760 /* Left ADC / DAC Routes */
761 { "Left ADC", NULL, "ADC" },
762 { "Left DAC", NULL, "DAC" },
763
764 /* Right ADC / DAC Routes */
765 { "Right ADC", NULL, "ADC" },
766 { "Right DAC", NULL, "DAC" },
767
768 /* Right Mixer Routes */
769 { "Right Mixer", NULL, "Mixer Enable" },
770 { "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
771 { "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
772
773 /* Left Mixer Routes */
774 { "Left Mixer", NULL, "Mixer Enable" },
775 { "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
776
777 /* Power Amplifier Routes */
778 { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
779 { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
780 { "Power Amplifier", "DAC Playback Switch", "Left DAC" },
781 { "Power Amplifier", "DAC Playback Switch", "Right DAC" },
782
783 /* Headphone Output Routes */
784 { "Power Amplifier Mute", "Switch", "Power Amplifier" },
785 { "HP Right", NULL, "Power Amplifier Mute" },
786 { "HP Left", NULL, "Power Amplifier Mute" },
787
788 /* Mic1 Routes */
789 { "Left ADC", NULL, "MIC1 Pre-Amplifier" },
790 { "Right ADC", NULL, "MIC1 Pre-Amplifier" },
791 { "MIC1 Pre-Amplifier", NULL, "Mic1"},
792 { "Mic1", NULL, "VMIC" },
793 };
794
795 static const struct snd_soc_codec_driver sun4i_codec_codec = {
796 .component_driver = {
797 .controls = sun4i_codec_controls,
798 .num_controls = ARRAY_SIZE(sun4i_codec_controls),
799 .dapm_widgets = sun4i_codec_codec_dapm_widgets,
800 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
801 .dapm_routes = sun4i_codec_codec_dapm_routes,
802 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
803 },
804 };
805
806 /*** sun6i Codec ***/
807
808 /* mixer controls */
809 static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
810 SOC_DAPM_DOUBLE("DAC Playback Switch",
811 SUN6I_CODEC_OM_DACA_CTRL,
812 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
813 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
814 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
815 SUN6I_CODEC_OM_DACA_CTRL,
816 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
817 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
818 SOC_DAPM_DOUBLE("Line In Playback Switch",
819 SUN6I_CODEC_OM_DACA_CTRL,
820 SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
821 SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
822 SOC_DAPM_DOUBLE("Mic1 Playback Switch",
823 SUN6I_CODEC_OM_DACA_CTRL,
824 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
825 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
826 SOC_DAPM_DOUBLE("Mic2 Playback Switch",
827 SUN6I_CODEC_OM_DACA_CTRL,
828 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
829 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
830 };
831
832 /* ADC mixer controls */
833 static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
834 SOC_DAPM_DOUBLE("Mixer Capture Switch",
835 SUN6I_CODEC_ADC_ACTL,
836 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
837 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
838 SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
839 SUN6I_CODEC_ADC_ACTL,
840 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
841 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
842 SOC_DAPM_DOUBLE("Line In Capture Switch",
843 SUN6I_CODEC_ADC_ACTL,
844 SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
845 SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
846 SOC_DAPM_DOUBLE("Mic1 Capture Switch",
847 SUN6I_CODEC_ADC_ACTL,
848 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
849 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
850 SOC_DAPM_DOUBLE("Mic2 Capture Switch",
851 SUN6I_CODEC_ADC_ACTL,
852 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
853 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
854 };
855
856 /* headphone controls */
857 static const char * const sun6i_codec_hp_src_enum_text[] = {
858 "DAC", "Mixer",
859 };
860
861 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
862 SUN6I_CODEC_OM_DACA_CTRL,
863 SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
864 SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
865 sun6i_codec_hp_src_enum_text);
866
867 static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
868 SOC_DAPM_ENUM("Headphone Source Playback Route",
869 sun6i_codec_hp_src_enum),
870 };
871
872 /* microphone controls */
873 static const char * const sun6i_codec_mic2_src_enum_text[] = {
874 "Mic2", "Mic3",
875 };
876
877 static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
878 SUN6I_CODEC_MIC_CTRL,
879 SUN6I_CODEC_MIC_CTRL_MIC2SLT,
880 sun6i_codec_mic2_src_enum_text);
881
882 static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
883 SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
884 sun6i_codec_mic2_src_enum),
885 };
886
887 /* line out controls */
888 static const char * const sun6i_codec_lineout_src_enum_text[] = {
889 "Stereo", "Mono Differential",
890 };
891
892 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
893 SUN6I_CODEC_MIC_CTRL,
894 SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
895 SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
896 sun6i_codec_lineout_src_enum_text);
897
898 static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
899 SOC_DAPM_ENUM("Line Out Source Playback Route",
900 sun6i_codec_lineout_src_enum),
901 };
902
903 /* volume / mute controls */
904 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
905 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
906 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
907 -450, 150, 0);
908 static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
909 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
910 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
911 );
912 static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
913 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
914 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
915 );
916
917 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
918 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
919 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
920 sun6i_codec_dvol_scale),
921 SOC_SINGLE_TLV("Headphone Playback Volume",
922 SUN6I_CODEC_OM_DACA_CTRL,
923 SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
924 sun6i_codec_hp_vol_scale),
925 SOC_SINGLE_TLV("Line Out Playback Volume",
926 SUN6I_CODEC_MIC_CTRL,
927 SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
928 sun6i_codec_lineout_vol_scale),
929 SOC_DOUBLE("Headphone Playback Switch",
930 SUN6I_CODEC_OM_DACA_CTRL,
931 SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
932 SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
933 SOC_DOUBLE("Line Out Playback Switch",
934 SUN6I_CODEC_MIC_CTRL,
935 SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
936 SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
937 /* Mixer pre-gains */
938 SOC_SINGLE_TLV("Line In Playback Volume",
939 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
940 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
941 SOC_SINGLE_TLV("Mic1 Playback Volume",
942 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
943 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
944 SOC_SINGLE_TLV("Mic2 Playback Volume",
945 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
946 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
947
948 /* Microphone Amp boost gains */
949 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
950 SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
951 sun6i_codec_mic_gain_scale),
952 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
953 SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
954 sun6i_codec_mic_gain_scale),
955 SOC_DOUBLE_TLV("ADC Capture Volume",
956 SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
957 SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
958 sun6i_codec_out_mixer_pregain_scale),
959 };
960
961 static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
962 /* Microphone inputs */
963 SND_SOC_DAPM_INPUT("MIC1"),
964 SND_SOC_DAPM_INPUT("MIC2"),
965 SND_SOC_DAPM_INPUT("MIC3"),
966
967 /* Microphone Bias */
968 SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
969 SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
970 SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
971 SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
972
973 /* Mic input path */
974 SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
975 SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
976 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
977 SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
978 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
979 SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
980
981 /* Line In */
982 SND_SOC_DAPM_INPUT("LINEIN"),
983
984 /* Digital parts of the ADCs */
985 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
986 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
987 NULL, 0),
988
989 /* Analog parts of the ADCs */
990 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
991 SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
992 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
993 SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
994
995 /* ADC Mixers */
996 SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
997 sun6i_codec_adc_mixer_controls),
998 SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
999 sun6i_codec_adc_mixer_controls),
1000
1001 /* Digital parts of the DACs */
1002 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1003 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
1004 NULL, 0),
1005
1006 /* Analog parts of the DACs */
1007 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
1008 SUN6I_CODEC_OM_DACA_CTRL,
1009 SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
1010 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
1011 SUN6I_CODEC_OM_DACA_CTRL,
1012 SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
1013
1014 /* Mixers */
1015 SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1016 SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
1017 sun6i_codec_mixer_controls),
1018 SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1019 SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
1020 sun6i_codec_mixer_controls),
1021
1022 /* Headphone output path */
1023 SND_SOC_DAPM_MUX("Headphone Source Playback Route",
1024 SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
1025 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
1026 SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
1027 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
1028 SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
1029 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
1030 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
1031 SND_SOC_DAPM_OUTPUT("HP"),
1032
1033 /* Line Out path */
1034 SND_SOC_DAPM_MUX("Line Out Source Playback Route",
1035 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
1036 SND_SOC_DAPM_OUTPUT("LINEOUT"),
1037 };
1038
1039 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
1040 /* DAC Routes */
1041 { "Left DAC", NULL, "DAC Enable" },
1042 { "Right DAC", NULL, "DAC Enable" },
1043
1044 /* Microphone Routes */
1045 { "Mic1 Amplifier", NULL, "MIC1"},
1046 { "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
1047 { "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
1048 { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
1049
1050 /* Left Mixer Routes */
1051 { "Left Mixer", "DAC Playback Switch", "Left DAC" },
1052 { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
1053 { "Left Mixer", "Line In Playback Switch", "LINEIN" },
1054 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1055 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1056
1057 /* Right Mixer Routes */
1058 { "Right Mixer", "DAC Playback Switch", "Right DAC" },
1059 { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
1060 { "Right Mixer", "Line In Playback Switch", "LINEIN" },
1061 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1062 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1063
1064 /* Left ADC Mixer Routes */
1065 { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
1066 { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
1067 { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
1068 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1069 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1070
1071 /* Right ADC Mixer Routes */
1072 { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
1073 { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
1074 { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
1075 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1076 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1077
1078 /* Headphone Routes */
1079 { "Headphone Source Playback Route", "DAC", "Left DAC" },
1080 { "Headphone Source Playback Route", "DAC", "Right DAC" },
1081 { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
1082 { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
1083 { "Headphone Amp", NULL, "Headphone Source Playback Route" },
1084 { "HP", NULL, "Headphone Amp" },
1085 { "HPCOM", NULL, "HPCOM Protection" },
1086
1087 /* Line Out Routes */
1088 { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
1089 { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
1090 { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
1091 { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
1092 { "LINEOUT", NULL, "Line Out Source Playback Route" },
1093
1094 /* ADC Routes */
1095 { "Left ADC", NULL, "ADC Enable" },
1096 { "Right ADC", NULL, "ADC Enable" },
1097 { "Left ADC", NULL, "Left ADC Mixer" },
1098 { "Right ADC", NULL, "Right ADC Mixer" },
1099 };
1100
1101 static const struct snd_soc_codec_driver sun6i_codec_codec = {
1102 .component_driver = {
1103 .controls = sun6i_codec_codec_widgets,
1104 .num_controls = ARRAY_SIZE(sun6i_codec_codec_widgets),
1105 .dapm_widgets = sun6i_codec_codec_dapm_widgets,
1106 .num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
1107 .dapm_routes = sun6i_codec_codec_dapm_routes,
1108 .num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
1109 },
1110 };
1111
1112 /* sun8i A23 codec */
1113 static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
1114 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
1115 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
1116 sun6i_codec_dvol_scale),
1117 };
1118
1119 static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
1120 /* Digital parts of the ADCs */
1121 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1122 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
1123 /* Digital parts of the DACs */
1124 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1125 SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
1126
1127 };
1128
1129 static const struct snd_soc_codec_driver sun8i_a23_codec_codec = {
1130 .component_driver = {
1131 .controls = sun8i_a23_codec_codec_controls,
1132 .num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
1133 .dapm_widgets = sun8i_a23_codec_codec_widgets,
1134 .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
1135 },
1136 };
1137
1138 static const struct snd_soc_component_driver sun4i_codec_component = {
1139 .name = "sun4i-codec",
1140 };
1141
1142 #define SUN4I_CODEC_RATES SNDRV_PCM_RATE_CONTINUOUS
1143 #define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
1144 SNDRV_PCM_FMTBIT_S32_LE)
1145
1146 static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
1147 {
1148 struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
1149 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1150
1151 snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
1152 &scodec->capture_dma_data);
1153
1154 return 0;
1155 }
1156
1157 static struct snd_soc_dai_driver dummy_cpu_dai = {
1158 .name = "sun4i-codec-cpu-dai",
1159 .probe = sun4i_codec_dai_probe,
1160 .playback = {
1161 .stream_name = "Playback",
1162 .channels_min = 1,
1163 .channels_max = 2,
1164 .rates = SUN4I_CODEC_RATES,
1165 .formats = SUN4I_CODEC_FORMATS,
1166 .sig_bits = 24,
1167 },
1168 .capture = {
1169 .stream_name = "Capture",
1170 .channels_min = 1,
1171 .channels_max = 2,
1172 .rates = SUN4I_CODEC_RATES,
1173 .formats = SUN4I_CODEC_FORMATS,
1174 .sig_bits = 24,
1175 },
1176 };
1177
1178 static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
1179 int *num_links)
1180 {
1181 struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
1182 GFP_KERNEL);
1183 if (!link)
1184 return NULL;
1185
1186 link->name = "cdc";
1187 link->stream_name = "CDC PCM";
1188 link->codec_dai_name = "Codec";
1189 link->cpu_dai_name = dev_name(dev);
1190 link->codec_name = dev_name(dev);
1191 link->platform_name = dev_name(dev);
1192 link->dai_fmt = SND_SOC_DAIFMT_I2S;
1193
1194 *num_links = 1;
1195
1196 return link;
1197 };
1198
1199 static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
1200 struct snd_kcontrol *k, int event)
1201 {
1202 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
1203
1204 gpiod_set_value_cansleep(scodec->gpio_pa,
1205 !!SND_SOC_DAPM_EVENT_ON(event));
1206
1207 return 0;
1208 }
1209
1210 static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
1211 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1212 };
1213
1214 static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
1215 { "Speaker", NULL, "HP Right" },
1216 { "Speaker", NULL, "HP Left" },
1217 };
1218
1219 static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
1220 {
1221 struct snd_soc_card *card;
1222
1223 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1224 if (!card)
1225 return ERR_PTR(-ENOMEM);
1226
1227 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1228 if (!card->dai_link)
1229 return ERR_PTR(-ENOMEM);
1230
1231 card->dev = dev;
1232 card->name = "sun4i-codec";
1233 card->dapm_widgets = sun4i_codec_card_dapm_widgets;
1234 card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
1235 card->dapm_routes = sun4i_codec_card_dapm_routes;
1236 card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
1237
1238 return card;
1239 };
1240
1241 static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
1242 SND_SOC_DAPM_HP("Headphone", NULL),
1243 SND_SOC_DAPM_LINE("Line In", NULL),
1244 SND_SOC_DAPM_LINE("Line Out", NULL),
1245 SND_SOC_DAPM_MIC("Headset Mic", NULL),
1246 SND_SOC_DAPM_MIC("Mic", NULL),
1247 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1248 };
1249
1250 static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
1251 {
1252 struct snd_soc_card *card;
1253 int ret;
1254
1255 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1256 if (!card)
1257 return ERR_PTR(-ENOMEM);
1258
1259 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1260 if (!card->dai_link)
1261 return ERR_PTR(-ENOMEM);
1262
1263 card->dev = dev;
1264 card->name = "A31 Audio Codec";
1265 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1266 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1267 card->fully_routed = true;
1268
1269 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1270 if (ret)
1271 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1272
1273 return card;
1274 };
1275
1276 /* Connect digital side enables to analog side widgets */
1277 static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
1278 /* ADC Routes */
1279 { "Left ADC", NULL, "ADC Enable" },
1280 { "Right ADC", NULL, "ADC Enable" },
1281 { "Codec Capture", NULL, "Left ADC" },
1282 { "Codec Capture", NULL, "Right ADC" },
1283
1284 /* DAC Routes */
1285 { "Left DAC", NULL, "DAC Enable" },
1286 { "Right DAC", NULL, "DAC Enable" },
1287 { "Left DAC", NULL, "Codec Playback" },
1288 { "Right DAC", NULL, "Codec Playback" },
1289 };
1290
1291 static struct snd_soc_aux_dev aux_dev = {
1292 .name = "Codec Analog Controls",
1293 };
1294
1295 static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
1296 {
1297 struct snd_soc_card *card;
1298 int ret;
1299
1300 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1301 if (!card)
1302 return ERR_PTR(-ENOMEM);
1303
1304 aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1305 "allwinner,codec-analog-controls",
1306 0);
1307 if (!aux_dev.codec_of_node) {
1308 dev_err(dev, "Can't find analog controls for codec.\n");
1309 return ERR_PTR(-EINVAL);
1310 };
1311
1312 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1313 if (!card->dai_link)
1314 return ERR_PTR(-ENOMEM);
1315
1316 card->dev = dev;
1317 card->name = "A23 Audio Codec";
1318 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1319 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1320 card->dapm_routes = sun8i_codec_card_routes;
1321 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1322 card->aux_dev = &aux_dev;
1323 card->num_aux_devs = 1;
1324 card->fully_routed = true;
1325
1326 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1327 if (ret)
1328 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1329
1330 return card;
1331 };
1332
1333 static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
1334 {
1335 struct snd_soc_card *card;
1336 int ret;
1337
1338 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1339 if (!card)
1340 return ERR_PTR(-ENOMEM);
1341
1342 aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1343 "allwinner,codec-analog-controls",
1344 0);
1345 if (!aux_dev.codec_of_node) {
1346 dev_err(dev, "Can't find analog controls for codec.\n");
1347 return ERR_PTR(-EINVAL);
1348 };
1349
1350 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1351 if (!card->dai_link)
1352 return ERR_PTR(-ENOMEM);
1353
1354 card->dev = dev;
1355 card->name = "H3 Audio Codec";
1356 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1357 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1358 card->dapm_routes = sun8i_codec_card_routes;
1359 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1360 card->aux_dev = &aux_dev;
1361 card->num_aux_devs = 1;
1362 card->fully_routed = true;
1363
1364 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1365 if (ret)
1366 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1367
1368 return card;
1369 };
1370
1371 static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
1372 {
1373 struct snd_soc_card *card;
1374 int ret;
1375
1376 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1377 if (!card)
1378 return ERR_PTR(-ENOMEM);
1379
1380 aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1381 "allwinner,codec-analog-controls",
1382 0);
1383 if (!aux_dev.codec_of_node) {
1384 dev_err(dev, "Can't find analog controls for codec.\n");
1385 return ERR_PTR(-EINVAL);
1386 };
1387
1388 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1389 if (!card->dai_link)
1390 return ERR_PTR(-ENOMEM);
1391
1392 card->dev = dev;
1393 card->name = "V3s Audio Codec";
1394 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1395 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1396 card->dapm_routes = sun8i_codec_card_routes;
1397 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1398 card->aux_dev = &aux_dev;
1399 card->num_aux_devs = 1;
1400 card->fully_routed = true;
1401
1402 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1403 if (ret)
1404 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1405
1406 return card;
1407 };
1408
1409 static const struct regmap_config sun4i_codec_regmap_config = {
1410 .reg_bits = 32,
1411 .reg_stride = 4,
1412 .val_bits = 32,
1413 .max_register = SUN4I_CODEC_ADC_RXCNT,
1414 };
1415
1416 static const struct regmap_config sun6i_codec_regmap_config = {
1417 .reg_bits = 32,
1418 .reg_stride = 4,
1419 .val_bits = 32,
1420 .max_register = SUN6I_CODEC_HMIC_DATA,
1421 };
1422
1423 static const struct regmap_config sun7i_codec_regmap_config = {
1424 .reg_bits = 32,
1425 .reg_stride = 4,
1426 .val_bits = 32,
1427 .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
1428 };
1429
1430 static const struct regmap_config sun8i_a23_codec_regmap_config = {
1431 .reg_bits = 32,
1432 .reg_stride = 4,
1433 .val_bits = 32,
1434 .max_register = SUN8I_A23_CODEC_ADC_RXCNT,
1435 };
1436
1437 static const struct regmap_config sun8i_h3_codec_regmap_config = {
1438 .reg_bits = 32,
1439 .reg_stride = 4,
1440 .val_bits = 32,
1441 .max_register = SUN8I_H3_CODEC_ADC_DBG,
1442 };
1443
1444 static const struct regmap_config sun8i_v3s_codec_regmap_config = {
1445 .reg_bits = 32,
1446 .reg_stride = 4,
1447 .val_bits = 32,
1448 .max_register = SUN8I_H3_CODEC_ADC_DBG,
1449 };
1450
1451 struct sun4i_codec_quirks {
1452 const struct regmap_config *regmap_config;
1453 const struct snd_soc_codec_driver *codec;
1454 struct snd_soc_card * (*create_card)(struct device *dev);
1455 struct reg_field reg_adc_fifoc; /* used for regmap_field */
1456 unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */
1457 unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */
1458 bool has_reset;
1459 };
1460
1461 static const struct sun4i_codec_quirks sun4i_codec_quirks = {
1462 .regmap_config = &sun4i_codec_regmap_config,
1463 .codec = &sun4i_codec_codec,
1464 .create_card = sun4i_codec_create_card,
1465 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1466 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1467 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1468 };
1469
1470 static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
1471 .regmap_config = &sun6i_codec_regmap_config,
1472 .codec = &sun6i_codec_codec,
1473 .create_card = sun6i_codec_create_card,
1474 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1475 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1476 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1477 .has_reset = true,
1478 };
1479
1480 static const struct sun4i_codec_quirks sun7i_codec_quirks = {
1481 .regmap_config = &sun7i_codec_regmap_config,
1482 .codec = &sun4i_codec_codec,
1483 .create_card = sun4i_codec_create_card,
1484 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1485 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1486 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1487 };
1488
1489 static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
1490 .regmap_config = &sun8i_a23_codec_regmap_config,
1491 .codec = &sun8i_a23_codec_codec,
1492 .create_card = sun8i_a23_codec_create_card,
1493 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1494 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1495 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1496 .has_reset = true,
1497 };
1498
1499 static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
1500 .regmap_config = &sun8i_h3_codec_regmap_config,
1501 /*
1502 * TODO Share the codec structure with A23 for now.
1503 * This should be split out when adding digital audio
1504 * processing support for the H3.
1505 */
1506 .codec = &sun8i_a23_codec_codec,
1507 .create_card = sun8i_h3_codec_create_card,
1508 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1509 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1510 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1511 .has_reset = true,
1512 };
1513
1514 static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
1515 .regmap_config = &sun8i_v3s_codec_regmap_config,
1516 /*
1517 * TODO The codec structure should be split out, like
1518 * H3, when adding digital audio processing support.
1519 */
1520 .codec = &sun8i_a23_codec_codec,
1521 .create_card = sun8i_v3s_codec_create_card,
1522 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1523 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1524 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1525 .has_reset = true,
1526 };
1527
1528 static const struct of_device_id sun4i_codec_of_match[] = {
1529 {
1530 .compatible = "allwinner,sun4i-a10-codec",
1531 .data = &sun4i_codec_quirks,
1532 },
1533 {
1534 .compatible = "allwinner,sun6i-a31-codec",
1535 .data = &sun6i_a31_codec_quirks,
1536 },
1537 {
1538 .compatible = "allwinner,sun7i-a20-codec",
1539 .data = &sun7i_codec_quirks,
1540 },
1541 {
1542 .compatible = "allwinner,sun8i-a23-codec",
1543 .data = &sun8i_a23_codec_quirks,
1544 },
1545 {
1546 .compatible = "allwinner,sun8i-h3-codec",
1547 .data = &sun8i_h3_codec_quirks,
1548 },
1549 {
1550 .compatible = "allwinner,sun8i-v3s-codec",
1551 .data = &sun8i_v3s_codec_quirks,
1552 },
1553 {}
1554 };
1555 MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
1556
1557 static int sun4i_codec_probe(struct platform_device *pdev)
1558 {
1559 struct snd_soc_card *card;
1560 struct sun4i_codec *scodec;
1561 const struct sun4i_codec_quirks *quirks;
1562 struct resource *res;
1563 void __iomem *base;
1564 int ret;
1565
1566 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1567 if (!scodec)
1568 return -ENOMEM;
1569
1570 scodec->dev = &pdev->dev;
1571
1572 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1573 base = devm_ioremap_resource(&pdev->dev, res);
1574 if (IS_ERR(base)) {
1575 dev_err(&pdev->dev, "Failed to map the registers\n");
1576 return PTR_ERR(base);
1577 }
1578
1579 quirks = of_device_get_match_data(&pdev->dev);
1580 if (quirks == NULL) {
1581 dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
1582 return -ENODEV;
1583 }
1584
1585 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
1586 quirks->regmap_config);
1587 if (IS_ERR(scodec->regmap)) {
1588 dev_err(&pdev->dev, "Failed to create our regmap\n");
1589 return PTR_ERR(scodec->regmap);
1590 }
1591
1592 /* Get the clocks from the DT */
1593 scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
1594 if (IS_ERR(scodec->clk_apb)) {
1595 dev_err(&pdev->dev, "Failed to get the APB clock\n");
1596 return PTR_ERR(scodec->clk_apb);
1597 }
1598
1599 scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
1600 if (IS_ERR(scodec->clk_module)) {
1601 dev_err(&pdev->dev, "Failed to get the module clock\n");
1602 return PTR_ERR(scodec->clk_module);
1603 }
1604
1605 if (quirks->has_reset) {
1606 scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
1607 NULL);
1608 if (IS_ERR(scodec->rst)) {
1609 dev_err(&pdev->dev, "Failed to get reset control\n");
1610 return PTR_ERR(scodec->rst);
1611 }
1612 }
1613
1614 scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
1615 GPIOD_OUT_LOW);
1616 if (IS_ERR(scodec->gpio_pa)) {
1617 ret = PTR_ERR(scodec->gpio_pa);
1618 if (ret != -EPROBE_DEFER)
1619 dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
1620 return ret;
1621 }
1622
1623 /* reg_field setup */
1624 scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
1625 scodec->regmap,
1626 quirks->reg_adc_fifoc);
1627 if (IS_ERR(scodec->reg_adc_fifoc)) {
1628 ret = PTR_ERR(scodec->reg_adc_fifoc);
1629 dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
1630 ret);
1631 return ret;
1632 }
1633
1634 /* Enable the bus clock */
1635 if (clk_prepare_enable(scodec->clk_apb)) {
1636 dev_err(&pdev->dev, "Failed to enable the APB clock\n");
1637 return -EINVAL;
1638 }
1639
1640 /* Deassert the reset control */
1641 if (scodec->rst) {
1642 ret = reset_control_deassert(scodec->rst);
1643 if (ret) {
1644 dev_err(&pdev->dev,
1645 "Failed to deassert the reset control\n");
1646 goto err_clk_disable;
1647 }
1648 }
1649
1650 /* DMA configuration for TX FIFO */
1651 scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
1652 scodec->playback_dma_data.maxburst = 8;
1653 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1654
1655 /* DMA configuration for RX FIFO */
1656 scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
1657 scodec->capture_dma_data.maxburst = 8;
1658 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1659
1660 ret = snd_soc_register_codec(&pdev->dev, quirks->codec,
1661 &sun4i_codec_dai, 1);
1662 if (ret) {
1663 dev_err(&pdev->dev, "Failed to register our codec\n");
1664 goto err_assert_reset;
1665 }
1666
1667 ret = devm_snd_soc_register_component(&pdev->dev,
1668 &sun4i_codec_component,
1669 &dummy_cpu_dai, 1);
1670 if (ret) {
1671 dev_err(&pdev->dev, "Failed to register our DAI\n");
1672 goto err_unregister_codec;
1673 }
1674
1675 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
1676 if (ret) {
1677 dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
1678 goto err_unregister_codec;
1679 }
1680
1681 card = quirks->create_card(&pdev->dev);
1682 if (IS_ERR(card)) {
1683 ret = PTR_ERR(card);
1684 dev_err(&pdev->dev, "Failed to create our card\n");
1685 goto err_unregister_codec;
1686 }
1687
1688 snd_soc_card_set_drvdata(card, scodec);
1689
1690 ret = snd_soc_register_card(card);
1691 if (ret) {
1692 dev_err(&pdev->dev, "Failed to register our card\n");
1693 goto err_unregister_codec;
1694 }
1695
1696 return 0;
1697
1698 err_unregister_codec:
1699 snd_soc_unregister_codec(&pdev->dev);
1700 err_assert_reset:
1701 if (scodec->rst)
1702 reset_control_assert(scodec->rst);
1703 err_clk_disable:
1704 clk_disable_unprepare(scodec->clk_apb);
1705 return ret;
1706 }
1707
1708 static int sun4i_codec_remove(struct platform_device *pdev)
1709 {
1710 struct snd_soc_card *card = platform_get_drvdata(pdev);
1711 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1712
1713 snd_soc_unregister_card(card);
1714 snd_soc_unregister_codec(&pdev->dev);
1715 if (scodec->rst)
1716 reset_control_assert(scodec->rst);
1717 clk_disable_unprepare(scodec->clk_apb);
1718
1719 return 0;
1720 }
1721
1722 static struct platform_driver sun4i_codec_driver = {
1723 .driver = {
1724 .name = "sun4i-codec",
1725 .of_match_table = sun4i_codec_of_match,
1726 },
1727 .probe = sun4i_codec_probe,
1728 .remove = sun4i_codec_remove,
1729 };
1730 module_platform_driver(sun4i_codec_driver);
1731
1732 MODULE_DESCRIPTION("Allwinner A10 codec driver");
1733 MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
1734 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
1735 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
1736 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
1737 MODULE_LICENSE("GPL");
CRIS linux kernel tree