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[mirror_ubuntu-bionic-kernel.git] / sound / soc / sunxi / sun4i-codec.c
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 /* Fill most significant bits with valid data MSB */
350 regmap_field_update_bits(scodec->reg_adc_fifoc,
351 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
352 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
353
354 return 0;
355 }
356
357 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
358 struct snd_soc_dai *dai)
359 {
360 struct snd_soc_pcm_runtime *rtd = substream->private_data;
361 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
362 u32 val;
363
364 /* Flush the TX FIFO */
365 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
366 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
367 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
368
369 /* Set TX FIFO Empty Trigger Level */
370 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
371 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
372 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
373
374 if (substream->runtime->rate > 32000)
375 /* Use 64 bits FIR filter */
376 val = 0;
377 else
378 /* Use 32 bits FIR filter */
379 val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
380
381 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
382 BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
383 val);
384
385 /* Send zeros when we have an underrun */
386 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
387 BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
388 0);
389
390 return 0;
391 };
392
393 static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
394 struct snd_soc_dai *dai)
395 {
396 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
397 return sun4i_codec_prepare_playback(substream, dai);
398
399 return sun4i_codec_prepare_capture(substream, dai);
400 }
401
402 static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
403 {
404 unsigned int rate = params_rate(params);
405
406 switch (rate) {
407 case 176400:
408 case 88200:
409 case 44100:
410 case 33075:
411 case 22050:
412 case 14700:
413 case 11025:
414 case 7350:
415 return 22579200;
416
417 case 192000:
418 case 96000:
419 case 48000:
420 case 32000:
421 case 24000:
422 case 16000:
423 case 12000:
424 case 8000:
425 return 24576000;
426
427 default:
428 return 0;
429 }
430 }
431
432 static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
433 {
434 unsigned int rate = params_rate(params);
435
436 switch (rate) {
437 case 192000:
438 case 176400:
439 return 6;
440
441 case 96000:
442 case 88200:
443 return 7;
444
445 case 48000:
446 case 44100:
447 return 0;
448
449 case 32000:
450 case 33075:
451 return 1;
452
453 case 24000:
454 case 22050:
455 return 2;
456
457 case 16000:
458 case 14700:
459 return 3;
460
461 case 12000:
462 case 11025:
463 return 4;
464
465 case 8000:
466 case 7350:
467 return 5;
468
469 default:
470 return -EINVAL;
471 }
472 }
473
474 static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
475 struct snd_pcm_hw_params *params,
476 unsigned int hwrate)
477 {
478 /* Set ADC sample rate */
479 regmap_field_update_bits(scodec->reg_adc_fifoc,
480 7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
481 hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
482
483 /* Set the number of channels we want to use */
484 if (params_channels(params) == 1)
485 regmap_field_update_bits(scodec->reg_adc_fifoc,
486 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
487 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
488 else
489 regmap_field_update_bits(scodec->reg_adc_fifoc,
490 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
491 0);
492
493 return 0;
494 }
495
496 static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
497 struct snd_pcm_hw_params *params,
498 unsigned int hwrate)
499 {
500 u32 val;
501
502 /* Set DAC sample rate */
503 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
504 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
505 hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
506
507 /* Set the number of channels we want to use */
508 if (params_channels(params) == 1)
509 val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
510 else
511 val = 0;
512
513 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
514 BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
515 val);
516
517 /* Set the number of sample bits to either 16 or 24 bits */
518 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
519 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
520 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
521 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
522
523 /* Set TX FIFO mode to padding the LSBs with 0 */
524 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
525 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
526 0);
527
528 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
529 } else {
530 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
531 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
532 0);
533
534 /* Set TX FIFO mode to repeat the MSB */
535 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
536 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
537 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
538
539 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
540 }
541
542 return 0;
543 }
544
545 static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
546 struct snd_pcm_hw_params *params,
547 struct snd_soc_dai *dai)
548 {
549 struct snd_soc_pcm_runtime *rtd = substream->private_data;
550 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
551 unsigned long clk_freq;
552 int ret, hwrate;
553
554 clk_freq = sun4i_codec_get_mod_freq(params);
555 if (!clk_freq)
556 return -EINVAL;
557
558 ret = clk_set_rate(scodec->clk_module, clk_freq);
559 if (ret)
560 return ret;
561
562 hwrate = sun4i_codec_get_hw_rate(params);
563 if (hwrate < 0)
564 return hwrate;
565
566 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
567 return sun4i_codec_hw_params_playback(scodec, params,
568 hwrate);
569
570 return sun4i_codec_hw_params_capture(scodec, params,
571 hwrate);
572 }
573
574 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
575 struct snd_soc_dai *dai)
576 {
577 struct snd_soc_pcm_runtime *rtd = substream->private_data;
578 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
579
580 /*
581 * Stop issuing DRQ when we have room for less than 16 samples
582 * in our TX FIFO
583 */
584 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
585 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
586 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
587
588 return clk_prepare_enable(scodec->clk_module);
589 }
590
591 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
592 struct snd_soc_dai *dai)
593 {
594 struct snd_soc_pcm_runtime *rtd = substream->private_data;
595 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
596
597 clk_disable_unprepare(scodec->clk_module);
598 }
599
600 static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
601 .startup = sun4i_codec_startup,
602 .shutdown = sun4i_codec_shutdown,
603 .trigger = sun4i_codec_trigger,
604 .hw_params = sun4i_codec_hw_params,
605 .prepare = sun4i_codec_prepare,
606 };
607
608 static struct snd_soc_dai_driver sun4i_codec_dai = {
609 .name = "Codec",
610 .ops = &sun4i_codec_dai_ops,
611 .playback = {
612 .stream_name = "Codec Playback",
613 .channels_min = 1,
614 .channels_max = 2,
615 .rate_min = 8000,
616 .rate_max = 192000,
617 .rates = SNDRV_PCM_RATE_8000_48000 |
618 SNDRV_PCM_RATE_96000 |
619 SNDRV_PCM_RATE_192000,
620 .formats = SNDRV_PCM_FMTBIT_S16_LE |
621 SNDRV_PCM_FMTBIT_S32_LE,
622 .sig_bits = 24,
623 },
624 .capture = {
625 .stream_name = "Codec Capture",
626 .channels_min = 1,
627 .channels_max = 2,
628 .rate_min = 8000,
629 .rate_max = 192000,
630 .rates = SNDRV_PCM_RATE_8000_48000 |
631 SNDRV_PCM_RATE_96000 |
632 SNDRV_PCM_RATE_192000 |
633 SNDRV_PCM_RATE_KNOT,
634 .formats = SNDRV_PCM_FMTBIT_S16_LE |
635 SNDRV_PCM_FMTBIT_S32_LE,
636 .sig_bits = 24,
637 },
638 };
639
640 /*** sun4i Codec ***/
641 static const struct snd_kcontrol_new sun4i_codec_pa_mute =
642 SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
643 SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
644
645 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
646
647 static const struct snd_kcontrol_new sun4i_codec_controls[] = {
648 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
649 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
650 sun4i_codec_pa_volume_scale),
651 };
652
653 static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
654 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
655 SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
656 };
657
658 static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
659 SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
660 SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
661 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
662 SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
663 };
664
665 static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
666 SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
667 SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
668 SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
669 SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
670 };
671
672 static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
673 /* Digital parts of the ADCs */
674 SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
675 SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
676 NULL, 0),
677
678 /* Digital parts of the DACs */
679 SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
680 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
681 NULL, 0),
682
683 /* Analog parts of the ADCs */
684 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
685 SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
686 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
687 SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
688
689 /* Analog parts of the DACs */
690 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
691 SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
692 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
693 SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
694
695 /* Mixers */
696 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
697 sun4i_codec_left_mixer_controls,
698 ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
699 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
700 sun4i_codec_right_mixer_controls,
701 ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
702
703 /* Global Mixer Enable */
704 SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
705 SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
706
707 /* VMIC */
708 SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
709 SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
710
711 /* Mic Pre-Amplifiers */
712 SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
713 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
714
715 /* Power Amplifier */
716 SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
717 SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
718 sun4i_codec_pa_mixer_controls,
719 ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
720 SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
721 &sun4i_codec_pa_mute),
722
723 SND_SOC_DAPM_INPUT("Mic1"),
724
725 SND_SOC_DAPM_OUTPUT("HP Right"),
726 SND_SOC_DAPM_OUTPUT("HP Left"),
727 };
728
729 static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
730 /* Left ADC / DAC Routes */
731 { "Left ADC", NULL, "ADC" },
732 { "Left DAC", NULL, "DAC" },
733
734 /* Right ADC / DAC Routes */
735 { "Right ADC", NULL, "ADC" },
736 { "Right DAC", NULL, "DAC" },
737
738 /* Right Mixer Routes */
739 { "Right Mixer", NULL, "Mixer Enable" },
740 { "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
741 { "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
742
743 /* Left Mixer Routes */
744 { "Left Mixer", NULL, "Mixer Enable" },
745 { "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
746
747 /* Power Amplifier Routes */
748 { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
749 { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
750 { "Power Amplifier", "DAC Playback Switch", "Left DAC" },
751 { "Power Amplifier", "DAC Playback Switch", "Right DAC" },
752
753 /* Headphone Output Routes */
754 { "Power Amplifier Mute", "Switch", "Power Amplifier" },
755 { "HP Right", NULL, "Power Amplifier Mute" },
756 { "HP Left", NULL, "Power Amplifier Mute" },
757
758 /* Mic1 Routes */
759 { "Left ADC", NULL, "MIC1 Pre-Amplifier" },
760 { "Right ADC", NULL, "MIC1 Pre-Amplifier" },
761 { "MIC1 Pre-Amplifier", NULL, "Mic1"},
762 { "Mic1", NULL, "VMIC" },
763 };
764
765 static struct snd_soc_codec_driver sun4i_codec_codec = {
766 .component_driver = {
767 .controls = sun4i_codec_controls,
768 .num_controls = ARRAY_SIZE(sun4i_codec_controls),
769 .dapm_widgets = sun4i_codec_codec_dapm_widgets,
770 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
771 .dapm_routes = sun4i_codec_codec_dapm_routes,
772 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
773 },
774 };
775
776 /*** sun6i Codec ***/
777
778 /* mixer controls */
779 static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
780 SOC_DAPM_DOUBLE("DAC Playback Switch",
781 SUN6I_CODEC_OM_DACA_CTRL,
782 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
783 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
784 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
785 SUN6I_CODEC_OM_DACA_CTRL,
786 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
787 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
788 SOC_DAPM_DOUBLE("Line In Playback Switch",
789 SUN6I_CODEC_OM_DACA_CTRL,
790 SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
791 SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
792 SOC_DAPM_DOUBLE("Mic1 Playback Switch",
793 SUN6I_CODEC_OM_DACA_CTRL,
794 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
795 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
796 SOC_DAPM_DOUBLE("Mic2 Playback Switch",
797 SUN6I_CODEC_OM_DACA_CTRL,
798 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
799 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
800 };
801
802 /* ADC mixer controls */
803 static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
804 SOC_DAPM_DOUBLE("Mixer Capture Switch",
805 SUN6I_CODEC_ADC_ACTL,
806 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
807 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
808 SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
809 SUN6I_CODEC_ADC_ACTL,
810 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
811 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
812 SOC_DAPM_DOUBLE("Line In Capture Switch",
813 SUN6I_CODEC_ADC_ACTL,
814 SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
815 SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
816 SOC_DAPM_DOUBLE("Mic1 Capture Switch",
817 SUN6I_CODEC_ADC_ACTL,
818 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
819 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
820 SOC_DAPM_DOUBLE("Mic2 Capture Switch",
821 SUN6I_CODEC_ADC_ACTL,
822 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
823 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
824 };
825
826 /* headphone controls */
827 static const char * const sun6i_codec_hp_src_enum_text[] = {
828 "DAC", "Mixer",
829 };
830
831 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
832 SUN6I_CODEC_OM_DACA_CTRL,
833 SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
834 SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
835 sun6i_codec_hp_src_enum_text);
836
837 static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
838 SOC_DAPM_ENUM("Headphone Source Playback Route",
839 sun6i_codec_hp_src_enum),
840 };
841
842 /* microphone controls */
843 static const char * const sun6i_codec_mic2_src_enum_text[] = {
844 "Mic2", "Mic3",
845 };
846
847 static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
848 SUN6I_CODEC_MIC_CTRL,
849 SUN6I_CODEC_MIC_CTRL_MIC2SLT,
850 sun6i_codec_mic2_src_enum_text);
851
852 static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
853 SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
854 sun6i_codec_mic2_src_enum),
855 };
856
857 /* line out controls */
858 static const char * const sun6i_codec_lineout_src_enum_text[] = {
859 "Stereo", "Mono Differential",
860 };
861
862 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
863 SUN6I_CODEC_MIC_CTRL,
864 SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
865 SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
866 sun6i_codec_lineout_src_enum_text);
867
868 static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
869 SOC_DAPM_ENUM("Line Out Source Playback Route",
870 sun6i_codec_lineout_src_enum),
871 };
872
873 /* volume / mute controls */
874 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
875 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
876 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
877 -450, 150, 0);
878 static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
879 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
880 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
881 );
882 static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
883 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
884 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
885 );
886
887 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
888 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
889 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
890 sun6i_codec_dvol_scale),
891 SOC_SINGLE_TLV("Headphone Playback Volume",
892 SUN6I_CODEC_OM_DACA_CTRL,
893 SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
894 sun6i_codec_hp_vol_scale),
895 SOC_SINGLE_TLV("Line Out Playback Volume",
896 SUN6I_CODEC_MIC_CTRL,
897 SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
898 sun6i_codec_lineout_vol_scale),
899 SOC_DOUBLE("Headphone Playback Switch",
900 SUN6I_CODEC_OM_DACA_CTRL,
901 SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
902 SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
903 SOC_DOUBLE("Line Out Playback Switch",
904 SUN6I_CODEC_MIC_CTRL,
905 SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
906 SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
907 /* Mixer pre-gains */
908 SOC_SINGLE_TLV("Line In Playback Volume",
909 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
910 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
911 SOC_SINGLE_TLV("Mic1 Playback Volume",
912 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
913 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
914 SOC_SINGLE_TLV("Mic2 Playback Volume",
915 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
916 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
917
918 /* Microphone Amp boost gains */
919 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
920 SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
921 sun6i_codec_mic_gain_scale),
922 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
923 SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
924 sun6i_codec_mic_gain_scale),
925 SOC_DOUBLE_TLV("ADC Capture Volume",
926 SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
927 SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
928 sun6i_codec_out_mixer_pregain_scale),
929 };
930
931 static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
932 /* Microphone inputs */
933 SND_SOC_DAPM_INPUT("MIC1"),
934 SND_SOC_DAPM_INPUT("MIC2"),
935 SND_SOC_DAPM_INPUT("MIC3"),
936
937 /* Microphone Bias */
938 SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
939 SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
940 SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
941 SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
942
943 /* Mic input path */
944 SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
945 SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
946 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
947 SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
948 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
949 SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
950
951 /* Line In */
952 SND_SOC_DAPM_INPUT("LINEIN"),
953
954 /* Digital parts of the ADCs */
955 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
956 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
957 NULL, 0),
958
959 /* Analog parts of the ADCs */
960 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
961 SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
962 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
963 SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
964
965 /* ADC Mixers */
966 SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
967 sun6i_codec_adc_mixer_controls),
968 SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
969 sun6i_codec_adc_mixer_controls),
970
971 /* Digital parts of the DACs */
972 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
973 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
974 NULL, 0),
975
976 /* Analog parts of the DACs */
977 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
978 SUN6I_CODEC_OM_DACA_CTRL,
979 SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
980 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
981 SUN6I_CODEC_OM_DACA_CTRL,
982 SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
983
984 /* Mixers */
985 SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
986 SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
987 sun6i_codec_mixer_controls),
988 SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
989 SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
990 sun6i_codec_mixer_controls),
991
992 /* Headphone output path */
993 SND_SOC_DAPM_MUX("Headphone Source Playback Route",
994 SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
995 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
996 SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
997 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
998 SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
999 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
1000 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
1001 SND_SOC_DAPM_OUTPUT("HP"),
1002
1003 /* Line Out path */
1004 SND_SOC_DAPM_MUX("Line Out Source Playback Route",
1005 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
1006 SND_SOC_DAPM_OUTPUT("LINEOUT"),
1007 };
1008
1009 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
1010 /* DAC Routes */
1011 { "Left DAC", NULL, "DAC Enable" },
1012 { "Right DAC", NULL, "DAC Enable" },
1013
1014 /* Microphone Routes */
1015 { "Mic1 Amplifier", NULL, "MIC1"},
1016 { "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
1017 { "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
1018 { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
1019
1020 /* Left Mixer Routes */
1021 { "Left Mixer", "DAC Playback Switch", "Left DAC" },
1022 { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
1023 { "Left Mixer", "Line In Playback Switch", "LINEIN" },
1024 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1025 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1026
1027 /* Right Mixer Routes */
1028 { "Right Mixer", "DAC Playback Switch", "Right DAC" },
1029 { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
1030 { "Right Mixer", "Line In Playback Switch", "LINEIN" },
1031 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1032 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1033
1034 /* Left ADC Mixer Routes */
1035 { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
1036 { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
1037 { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
1038 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1039 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1040
1041 /* Right ADC Mixer Routes */
1042 { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
1043 { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
1044 { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
1045 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1046 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1047
1048 /* Headphone Routes */
1049 { "Headphone Source Playback Route", "DAC", "Left DAC" },
1050 { "Headphone Source Playback Route", "DAC", "Right DAC" },
1051 { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
1052 { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
1053 { "Headphone Amp", NULL, "Headphone Source Playback Route" },
1054 { "HP", NULL, "Headphone Amp" },
1055 { "HPCOM", NULL, "HPCOM Protection" },
1056
1057 /* Line Out Routes */
1058 { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
1059 { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
1060 { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
1061 { "LINEOUT", NULL, "Line Out Source Playback Route" },
1062
1063 /* ADC Routes */
1064 { "Left ADC", NULL, "ADC Enable" },
1065 { "Right ADC", NULL, "ADC Enable" },
1066 { "Left ADC", NULL, "Left ADC Mixer" },
1067 { "Right ADC", NULL, "Right ADC Mixer" },
1068 };
1069
1070 static struct snd_soc_codec_driver sun6i_codec_codec = {
1071 .component_driver = {
1072 .controls = sun6i_codec_codec_widgets,
1073 .num_controls = ARRAY_SIZE(sun6i_codec_codec_widgets),
1074 .dapm_widgets = sun6i_codec_codec_dapm_widgets,
1075 .num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
1076 .dapm_routes = sun6i_codec_codec_dapm_routes,
1077 .num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
1078 },
1079 };
1080
1081 /* sun8i A23 codec */
1082 static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
1083 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
1084 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
1085 sun6i_codec_dvol_scale),
1086 };
1087
1088 static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
1089 /* Digital parts of the ADCs */
1090 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1091 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
1092 /* Digital parts of the DACs */
1093 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1094 SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
1095
1096 };
1097
1098 static struct snd_soc_codec_driver sun8i_a23_codec_codec = {
1099 .component_driver = {
1100 .controls = sun8i_a23_codec_codec_controls,
1101 .num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
1102 .dapm_widgets = sun8i_a23_codec_codec_widgets,
1103 .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
1104 },
1105 };
1106
1107 static const struct snd_soc_component_driver sun4i_codec_component = {
1108 .name = "sun4i-codec",
1109 };
1110
1111 #define SUN4I_CODEC_RATES SNDRV_PCM_RATE_8000_192000
1112 #define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
1113 SNDRV_PCM_FMTBIT_S32_LE)
1114
1115 static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
1116 {
1117 struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
1118 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1119
1120 snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
1121 &scodec->capture_dma_data);
1122
1123 return 0;
1124 }
1125
1126 static struct snd_soc_dai_driver dummy_cpu_dai = {
1127 .name = "sun4i-codec-cpu-dai",
1128 .probe = sun4i_codec_dai_probe,
1129 .playback = {
1130 .stream_name = "Playback",
1131 .channels_min = 1,
1132 .channels_max = 2,
1133 .rates = SUN4I_CODEC_RATES,
1134 .formats = SUN4I_CODEC_FORMATS,
1135 .sig_bits = 24,
1136 },
1137 .capture = {
1138 .stream_name = "Capture",
1139 .channels_min = 1,
1140 .channels_max = 2,
1141 .rates = SUN4I_CODEC_RATES,
1142 .formats = SUN4I_CODEC_FORMATS,
1143 .sig_bits = 24,
1144 },
1145 };
1146
1147 static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
1148 int *num_links)
1149 {
1150 struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
1151 GFP_KERNEL);
1152 if (!link)
1153 return NULL;
1154
1155 link->name = "cdc";
1156 link->stream_name = "CDC PCM";
1157 link->codec_dai_name = "Codec";
1158 link->cpu_dai_name = dev_name(dev);
1159 link->codec_name = dev_name(dev);
1160 link->platform_name = dev_name(dev);
1161 link->dai_fmt = SND_SOC_DAIFMT_I2S;
1162
1163 *num_links = 1;
1164
1165 return link;
1166 };
1167
1168 static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
1169 struct snd_kcontrol *k, int event)
1170 {
1171 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
1172
1173 if (scodec->gpio_pa)
1174 gpiod_set_value_cansleep(scodec->gpio_pa,
1175 !!SND_SOC_DAPM_EVENT_ON(event));
1176
1177 return 0;
1178 }
1179
1180 static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
1181 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1182 };
1183
1184 static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
1185 { "Speaker", NULL, "HP Right" },
1186 { "Speaker", NULL, "HP Left" },
1187 };
1188
1189 static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
1190 {
1191 struct snd_soc_card *card;
1192
1193 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1194 if (!card)
1195 return ERR_PTR(-ENOMEM);
1196
1197 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1198 if (!card->dai_link)
1199 return ERR_PTR(-ENOMEM);
1200
1201 card->dev = dev;
1202 card->name = "sun4i-codec";
1203 card->dapm_widgets = sun4i_codec_card_dapm_widgets;
1204 card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
1205 card->dapm_routes = sun4i_codec_card_dapm_routes;
1206 card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
1207
1208 return card;
1209 };
1210
1211 static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
1212 SND_SOC_DAPM_HP("Headphone", NULL),
1213 SND_SOC_DAPM_LINE("Line In", NULL),
1214 SND_SOC_DAPM_LINE("Line Out", NULL),
1215 SND_SOC_DAPM_MIC("Headset Mic", NULL),
1216 SND_SOC_DAPM_MIC("Mic", NULL),
1217 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1218 };
1219
1220 static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
1221 {
1222 struct snd_soc_card *card;
1223 int ret;
1224
1225 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1226 if (!card)
1227 return ERR_PTR(-ENOMEM);
1228
1229 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1230 if (!card->dai_link)
1231 return ERR_PTR(-ENOMEM);
1232
1233 card->dev = dev;
1234 card->name = "A31 Audio Codec";
1235 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1236 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1237 card->fully_routed = true;
1238
1239 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1240 if (ret)
1241 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1242
1243 return card;
1244 };
1245
1246 /* Connect digital side enables to analog side widgets */
1247 static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
1248 /* ADC Routes */
1249 { "Left ADC", NULL, "ADC Enable" },
1250 { "Right ADC", NULL, "ADC Enable" },
1251 { "Codec Capture", NULL, "Left ADC" },
1252 { "Codec Capture", NULL, "Right ADC" },
1253
1254 /* DAC Routes */
1255 { "Left DAC", NULL, "DAC Enable" },
1256 { "Right DAC", NULL, "DAC Enable" },
1257 { "Left DAC", NULL, "Codec Playback" },
1258 { "Right DAC", NULL, "Codec Playback" },
1259 };
1260
1261 static struct snd_soc_aux_dev aux_dev = {
1262 .name = "Codec Analog Controls",
1263 };
1264
1265 static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
1266 {
1267 struct snd_soc_card *card;
1268 int ret;
1269
1270 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1271 if (!card)
1272 return ERR_PTR(-ENOMEM);
1273
1274 aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1275 "allwinner,codec-analog-controls",
1276 0);
1277 if (!aux_dev.codec_of_node) {
1278 dev_err(dev, "Can't find analog controls for codec.\n");
1279 return ERR_PTR(-EINVAL);
1280 };
1281
1282 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1283 if (!card->dai_link)
1284 return ERR_PTR(-ENOMEM);
1285
1286 card->dev = dev;
1287 card->name = "A23 Audio Codec";
1288 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1289 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1290 card->dapm_routes = sun8i_codec_card_routes;
1291 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1292 card->aux_dev = &aux_dev;
1293 card->num_aux_devs = 1;
1294 card->fully_routed = true;
1295
1296 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1297 if (ret)
1298 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1299
1300 return card;
1301 };
1302
1303 static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
1304 {
1305 struct snd_soc_card *card;
1306 int ret;
1307
1308 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1309 if (!card)
1310 return ERR_PTR(-ENOMEM);
1311
1312 aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1313 "allwinner,codec-analog-controls",
1314 0);
1315 if (!aux_dev.codec_of_node) {
1316 dev_err(dev, "Can't find analog controls for codec.\n");
1317 return ERR_PTR(-EINVAL);
1318 };
1319
1320 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1321 if (!card->dai_link)
1322 return ERR_PTR(-ENOMEM);
1323
1324 card->dev = dev;
1325 card->name = "H3 Audio Codec";
1326 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1327 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1328 card->dapm_routes = sun8i_codec_card_routes;
1329 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1330 card->aux_dev = &aux_dev;
1331 card->num_aux_devs = 1;
1332 card->fully_routed = true;
1333
1334 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1335 if (ret)
1336 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1337
1338 return card;
1339 };
1340
1341 static const struct regmap_config sun4i_codec_regmap_config = {
1342 .reg_bits = 32,
1343 .reg_stride = 4,
1344 .val_bits = 32,
1345 .max_register = SUN4I_CODEC_ADC_RXCNT,
1346 };
1347
1348 static const struct regmap_config sun6i_codec_regmap_config = {
1349 .reg_bits = 32,
1350 .reg_stride = 4,
1351 .val_bits = 32,
1352 .max_register = SUN6I_CODEC_HMIC_DATA,
1353 };
1354
1355 static const struct regmap_config sun7i_codec_regmap_config = {
1356 .reg_bits = 32,
1357 .reg_stride = 4,
1358 .val_bits = 32,
1359 .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
1360 };
1361
1362 static const struct regmap_config sun8i_a23_codec_regmap_config = {
1363 .reg_bits = 32,
1364 .reg_stride = 4,
1365 .val_bits = 32,
1366 .max_register = SUN8I_A23_CODEC_ADC_RXCNT,
1367 };
1368
1369 static const struct regmap_config sun8i_h3_codec_regmap_config = {
1370 .reg_bits = 32,
1371 .reg_stride = 4,
1372 .val_bits = 32,
1373 .max_register = SUN8I_H3_CODEC_ADC_DBG,
1374 };
1375
1376 struct sun4i_codec_quirks {
1377 const struct regmap_config *regmap_config;
1378 const struct snd_soc_codec_driver *codec;
1379 struct snd_soc_card * (*create_card)(struct device *dev);
1380 struct reg_field reg_adc_fifoc; /* used for regmap_field */
1381 unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */
1382 unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */
1383 bool has_reset;
1384 };
1385
1386 static const struct sun4i_codec_quirks sun4i_codec_quirks = {
1387 .regmap_config = &sun4i_codec_regmap_config,
1388 .codec = &sun4i_codec_codec,
1389 .create_card = sun4i_codec_create_card,
1390 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1391 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1392 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1393 };
1394
1395 static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
1396 .regmap_config = &sun6i_codec_regmap_config,
1397 .codec = &sun6i_codec_codec,
1398 .create_card = sun6i_codec_create_card,
1399 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1400 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1401 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1402 .has_reset = true,
1403 };
1404
1405 static const struct sun4i_codec_quirks sun7i_codec_quirks = {
1406 .regmap_config = &sun7i_codec_regmap_config,
1407 .codec = &sun4i_codec_codec,
1408 .create_card = sun4i_codec_create_card,
1409 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1410 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1411 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1412 };
1413
1414 static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
1415 .regmap_config = &sun8i_a23_codec_regmap_config,
1416 .codec = &sun8i_a23_codec_codec,
1417 .create_card = sun8i_a23_codec_create_card,
1418 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1419 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1420 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1421 .has_reset = true,
1422 };
1423
1424 static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
1425 .regmap_config = &sun8i_h3_codec_regmap_config,
1426 /*
1427 * TODO Share the codec structure with A23 for now.
1428 * This should be split out when adding digital audio
1429 * processing support for the H3.
1430 */
1431 .codec = &sun8i_a23_codec_codec,
1432 .create_card = sun8i_h3_codec_create_card,
1433 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1434 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1435 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1436 .has_reset = true,
1437 };
1438
1439 static const struct of_device_id sun4i_codec_of_match[] = {
1440 {
1441 .compatible = "allwinner,sun4i-a10-codec",
1442 .data = &sun4i_codec_quirks,
1443 },
1444 {
1445 .compatible = "allwinner,sun6i-a31-codec",
1446 .data = &sun6i_a31_codec_quirks,
1447 },
1448 {
1449 .compatible = "allwinner,sun7i-a20-codec",
1450 .data = &sun7i_codec_quirks,
1451 },
1452 {
1453 .compatible = "allwinner,sun8i-a23-codec",
1454 .data = &sun8i_a23_codec_quirks,
1455 },
1456 {
1457 .compatible = "allwinner,sun8i-h3-codec",
1458 .data = &sun8i_h3_codec_quirks,
1459 },
1460 {}
1461 };
1462 MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
1463
1464 static int sun4i_codec_probe(struct platform_device *pdev)
1465 {
1466 struct snd_soc_card *card;
1467 struct sun4i_codec *scodec;
1468 const struct sun4i_codec_quirks *quirks;
1469 struct resource *res;
1470 void __iomem *base;
1471 int ret;
1472
1473 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1474 if (!scodec)
1475 return -ENOMEM;
1476
1477 scodec->dev = &pdev->dev;
1478
1479 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1480 base = devm_ioremap_resource(&pdev->dev, res);
1481 if (IS_ERR(base)) {
1482 dev_err(&pdev->dev, "Failed to map the registers\n");
1483 return PTR_ERR(base);
1484 }
1485
1486 quirks = of_device_get_match_data(&pdev->dev);
1487 if (quirks == NULL) {
1488 dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
1489 return -ENODEV;
1490 }
1491
1492 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
1493 quirks->regmap_config);
1494 if (IS_ERR(scodec->regmap)) {
1495 dev_err(&pdev->dev, "Failed to create our regmap\n");
1496 return PTR_ERR(scodec->regmap);
1497 }
1498
1499 /* Get the clocks from the DT */
1500 scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
1501 if (IS_ERR(scodec->clk_apb)) {
1502 dev_err(&pdev->dev, "Failed to get the APB clock\n");
1503 return PTR_ERR(scodec->clk_apb);
1504 }
1505
1506 scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
1507 if (IS_ERR(scodec->clk_module)) {
1508 dev_err(&pdev->dev, "Failed to get the module clock\n");
1509 return PTR_ERR(scodec->clk_module);
1510 }
1511
1512 if (quirks->has_reset) {
1513 scodec->rst = devm_reset_control_get(&pdev->dev, NULL);
1514 if (IS_ERR(scodec->rst)) {
1515 dev_err(&pdev->dev, "Failed to get reset control\n");
1516 return PTR_ERR(scodec->rst);
1517 }
1518 }
1519
1520 scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
1521 GPIOD_OUT_LOW);
1522 if (IS_ERR(scodec->gpio_pa)) {
1523 ret = PTR_ERR(scodec->gpio_pa);
1524 if (ret != -EPROBE_DEFER)
1525 dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
1526 return ret;
1527 }
1528
1529 /* reg_field setup */
1530 scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
1531 scodec->regmap,
1532 quirks->reg_adc_fifoc);
1533 if (IS_ERR(scodec->reg_adc_fifoc)) {
1534 ret = PTR_ERR(scodec->reg_adc_fifoc);
1535 dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
1536 ret);
1537 return ret;
1538 }
1539
1540 /* Enable the bus clock */
1541 if (clk_prepare_enable(scodec->clk_apb)) {
1542 dev_err(&pdev->dev, "Failed to enable the APB clock\n");
1543 return -EINVAL;
1544 }
1545
1546 /* Deassert the reset control */
1547 if (scodec->rst) {
1548 ret = reset_control_deassert(scodec->rst);
1549 if (ret) {
1550 dev_err(&pdev->dev,
1551 "Failed to deassert the reset control\n");
1552 goto err_clk_disable;
1553 }
1554 }
1555
1556 /* DMA configuration for TX FIFO */
1557 scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
1558 scodec->playback_dma_data.maxburst = 8;
1559 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1560
1561 /* DMA configuration for RX FIFO */
1562 scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
1563 scodec->capture_dma_data.maxburst = 8;
1564 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1565
1566 ret = snd_soc_register_codec(&pdev->dev, quirks->codec,
1567 &sun4i_codec_dai, 1);
1568 if (ret) {
1569 dev_err(&pdev->dev, "Failed to register our codec\n");
1570 goto err_assert_reset;
1571 }
1572
1573 ret = devm_snd_soc_register_component(&pdev->dev,
1574 &sun4i_codec_component,
1575 &dummy_cpu_dai, 1);
1576 if (ret) {
1577 dev_err(&pdev->dev, "Failed to register our DAI\n");
1578 goto err_unregister_codec;
1579 }
1580
1581 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
1582 if (ret) {
1583 dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
1584 goto err_unregister_codec;
1585 }
1586
1587 card = quirks->create_card(&pdev->dev);
1588 if (IS_ERR(card)) {
1589 ret = PTR_ERR(card);
1590 dev_err(&pdev->dev, "Failed to create our card\n");
1591 goto err_unregister_codec;
1592 }
1593
1594 platform_set_drvdata(pdev, card);
1595 snd_soc_card_set_drvdata(card, scodec);
1596
1597 ret = snd_soc_register_card(card);
1598 if (ret) {
1599 dev_err(&pdev->dev, "Failed to register our card\n");
1600 goto err_unregister_codec;
1601 }
1602
1603 return 0;
1604
1605 err_unregister_codec:
1606 snd_soc_unregister_codec(&pdev->dev);
1607 err_assert_reset:
1608 if (scodec->rst)
1609 reset_control_assert(scodec->rst);
1610 err_clk_disable:
1611 clk_disable_unprepare(scodec->clk_apb);
1612 return ret;
1613 }
1614
1615 static int sun4i_codec_remove(struct platform_device *pdev)
1616 {
1617 struct snd_soc_card *card = platform_get_drvdata(pdev);
1618 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1619
1620 snd_soc_unregister_card(card);
1621 snd_soc_unregister_codec(&pdev->dev);
1622 if (scodec->rst)
1623 reset_control_assert(scodec->rst);
1624 clk_disable_unprepare(scodec->clk_apb);
1625
1626 return 0;
1627 }
1628
1629 static struct platform_driver sun4i_codec_driver = {
1630 .driver = {
1631 .name = "sun4i-codec",
1632 .of_match_table = sun4i_codec_of_match,
1633 },
1634 .probe = sun4i_codec_probe,
1635 .remove = sun4i_codec_remove,
1636 };
1637 module_platform_driver(sun4i_codec_driver);
1638
1639 MODULE_DESCRIPTION("Allwinner A10 codec driver");
1640 MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
1641 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
1642 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
1643 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
1644 MODULE_LICENSE("GPL");
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