1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright 2014 Emilio López <emilio@elopez.com.ar>
4 * Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
5 * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
6 * Copyright 2015 Adam Sampson <ats@offog.org>
7 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
8 *
9 * Based on the Allwinner SDK driver, released under the GPL.
10 */
11
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/delay.h>
17 #include <linux/slab.h>
18 #include <linux/clk.h>
19 #include <linux/regmap.h>
20 #include <linux/reset.h>
21 #include <linux/gpio/consumer.h>
22
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/tlv.h>
28 #include <sound/initval.h>
29 #include <sound/dmaengine_pcm.h>
30
31 /* Codec DAC digital controls and FIFO registers */
32 #define SUN4I_CODEC_DAC_DPC (0x00)
33 #define SUN4I_CODEC_DAC_DPC_EN_DA (31)
34 #define SUN4I_CODEC_DAC_DPC_DVOL (12)
35 #define SUN4I_CODEC_DAC_FIFOC (0x04)
36 #define SUN4I_CODEC_DAC_FIFOC_DAC_FS (29)
37 #define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION (28)
38 #define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT (26)
39 #define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE (24)
40 #define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT (21)
41 #define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL (8)
42 #define SUN4I_CODEC_DAC_FIFOC_MONO_EN (6)
43 #define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS (5)
44 #define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN (4)
45 #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0)
46 #define SUN4I_CODEC_DAC_FIFOS (0x08)
47 #define SUN4I_CODEC_DAC_TXDATA (0x0c)
48
49 /* Codec DAC side analog signal controls */
50 #define SUN4I_CODEC_DAC_ACTL (0x10)
51 #define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
52 #define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
53 #define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
54 #define SUN4I_CODEC_DAC_ACTL_LNG (26)
55 #define SUN4I_CODEC_DAC_ACTL_FMG (23)
56 #define SUN4I_CODEC_DAC_ACTL_MICG (20)
57 #define SUN4I_CODEC_DAC_ACTL_LLNS (19)
58 #define SUN4I_CODEC_DAC_ACTL_RLNS (18)
59 #define SUN4I_CODEC_DAC_ACTL_LFMS (17)
60 #define SUN4I_CODEC_DAC_ACTL_RFMS (16)
61 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
62 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
63 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
64 #define SUN4I_CODEC_DAC_ACTL_MIC1LS (12)
65 #define SUN4I_CODEC_DAC_ACTL_MIC1RS (11)
66 #define SUN4I_CODEC_DAC_ACTL_MIC2LS (10)
67 #define SUN4I_CODEC_DAC_ACTL_MIC2RS (9)
68 #define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
69 #define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
70 #define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
71 #define SUN4I_CODEC_DAC_ACTL_PA_VOL (0)
72 #define SUN4I_CODEC_DAC_TUNE (0x14)
73 #define SUN4I_CODEC_DAC_DEBUG (0x18)
74
75 /* Codec ADC digital controls and FIFO registers */
76 #define SUN4I_CODEC_ADC_FIFOC (0x1c)
77 #define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29)
78 #define SUN4I_CODEC_ADC_FIFOC_EN_AD (28)
79 #define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24)
80 #define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8)
81 #define SUN4I_CODEC_ADC_FIFOC_MONO_EN (7)
82 #define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS (6)
83 #define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN (4)
84 #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0)
85 #define SUN4I_CODEC_ADC_FIFOS (0x20)
86 #define SUN4I_CODEC_ADC_RXDATA (0x24)
87
88 /* Codec ADC side analog signal controls */
89 #define SUN4I_CODEC_ADC_ACTL (0x28)
90 #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31)
91 #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30)
92 #define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
93 #define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
94 #define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
95 #define SUN4I_CODEC_ADC_ACTL_PREG1 (25)
96 #define SUN4I_CODEC_ADC_ACTL_PREG2 (23)
97 #define SUN4I_CODEC_ADC_ACTL_VADCG (20)
98 #define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
99 #define SUN4I_CODEC_ADC_ACTL_LNPREG (13)
100 #define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
101 #define SUN4I_CODEC_ADC_ACTL_DDE (3)
102 #define SUN4I_CODEC_ADC_DEBUG (0x2c)
103
104 /* FIFO counters */
105 #define SUN4I_CODEC_DAC_TXCNT (0x30)
106 #define SUN4I_CODEC_ADC_RXCNT (0x34)
107
108 /* Calibration register (sun7i only) */
109 #define SUN7I_CODEC_AC_DAC_CAL (0x38)
110
111 /* Microphone controls (sun7i only) */
112 #define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
113
114 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1 (29)
115 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2 (26)
116
117 /*
118 * sun6i specific registers
119 *
120 * sun6i shares the same digital control and FIFO registers as sun4i,
121 * but only the DAC digital controls are at the same offset. The others
122 * have been moved around to accommodate extra analog controls.
123 */
124
125 /* Codec DAC digital controls and FIFO registers */
126 #define SUN6I_CODEC_ADC_FIFOC (0x10)
127 #define SUN6I_CODEC_ADC_FIFOC_EN_AD (28)
128 #define SUN6I_CODEC_ADC_FIFOS (0x14)
129 #define SUN6I_CODEC_ADC_RXDATA (0x18)
130
131 /* Output mixer and gain controls */
132 #define SUN6I_CODEC_OM_DACA_CTRL (0x20)
133 #define SUN6I_CODEC_OM_DACA_CTRL_DACAREN (31)
134 #define SUN6I_CODEC_OM_DACA_CTRL_DACALEN (30)
135 #define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN (29)
136 #define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN (28)
137 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1 (23)
138 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2 (22)
139 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE (21)
140 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP (20)
141 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR (19)
142 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR (18)
143 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL (17)
144 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1 (16)
145 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2 (15)
146 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE (14)
147 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN (13)
148 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL (12)
149 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL (11)
150 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR (10)
151 #define SUN6I_CODEC_OM_DACA_CTRL_RHPIS (9)
152 #define SUN6I_CODEC_OM_DACA_CTRL_LHPIS (8)
153 #define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE (7)
154 #define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE (6)
155 #define SUN6I_CODEC_OM_DACA_CTRL_HPVOL (0)
156 #define SUN6I_CODEC_OM_PA_CTRL (0x24)
157 #define SUN6I_CODEC_OM_PA_CTRL_HPPAEN (31)
158 #define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL (29)
159 #define SUN6I_CODEC_OM_PA_CTRL_COMPTEN (28)
160 #define SUN6I_CODEC_OM_PA_CTRL_MIC1G (15)
161 #define SUN6I_CODEC_OM_PA_CTRL_MIC2G (12)
162 #define SUN6I_CODEC_OM_PA_CTRL_LINEING (9)
163 #define SUN6I_CODEC_OM_PA_CTRL_PHONEG (6)
164 #define SUN6I_CODEC_OM_PA_CTRL_PHONEPG (3)
165 #define SUN6I_CODEC_OM_PA_CTRL_PHONENG (0)
166
167 /* Microphone, line out and phone out controls */
168 #define SUN6I_CODEC_MIC_CTRL (0x28)
169 #define SUN6I_CODEC_MIC_CTRL_HBIASEN (31)
170 #define SUN6I_CODEC_MIC_CTRL_MBIASEN (30)
171 #define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN (28)
172 #define SUN6I_CODEC_MIC_CTRL_MIC1BOOST (25)
173 #define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN (24)
174 #define SUN6I_CODEC_MIC_CTRL_MIC2BOOST (21)
175 #define SUN6I_CODEC_MIC_CTRL_MIC2SLT (20)
176 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN (19)
177 #define SUN6I_CODEC_MIC_CTRL_LINEOUTREN (18)
178 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC (17)
179 #define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC (16)
180 #define SUN6I_CODEC_MIC_CTRL_LINEOUTVC (11)
181 #define SUN6I_CODEC_MIC_CTRL_PHONEPREG (8)
182
183 /* ADC mixer controls */
184 #define SUN6I_CODEC_ADC_ACTL (0x2c)
185 #define SUN6I_CODEC_ADC_ACTL_ADCREN (31)
186 #define SUN6I_CODEC_ADC_ACTL_ADCLEN (30)
187 #define SUN6I_CODEC_ADC_ACTL_ADCRG (27)
188 #define SUN6I_CODEC_ADC_ACTL_ADCLG (24)
189 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1 (13)
190 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2 (12)
191 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE (11)
192 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP (10)
193 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR (9)
194 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR (8)
195 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL (7)
196 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1 (6)
197 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2 (5)
198 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE (4)
199 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN (3)
200 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL (2)
201 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL (1)
202 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR (0)
203
204 /* Analog performance tuning controls */
205 #define SUN6I_CODEC_ADDA_TUNE (0x30)
206
207 /* Calibration controls */
208 #define SUN6I_CODEC_CALIBRATION (0x34)
209
210 /* FIFO counters */
211 #define SUN6I_CODEC_DAC_TXCNT (0x40)
212 #define SUN6I_CODEC_ADC_RXCNT (0x44)
213
214 /* headset jack detection and button support registers */
215 #define SUN6I_CODEC_HMIC_CTL (0x50)
216 #define SUN6I_CODEC_HMIC_DATA (0x54)
217
218 /* TODO sun6i DAP (Digital Audio Processing) bits */
219
220 /* FIFO counters moved on A23 */
221 #define SUN8I_A23_CODEC_DAC_TXCNT (0x1c)
222 #define SUN8I_A23_CODEC_ADC_RXCNT (0x20)
223
224 /* TX FIFO moved on H3 */
225 #define SUN8I_H3_CODEC_DAC_TXDATA (0x20)
226 #define SUN8I_H3_CODEC_DAC_DBG (0x48)
227 #define SUN8I_H3_CODEC_ADC_DBG (0x4c)
228
229 /* TODO H3 DAP (Digital Audio Processing) bits */
230
231 struct sun4i_codec {
232 struct device *dev;
233 struct regmap *regmap;
234 struct clk *clk_apb;
235 struct clk *clk_module;
236 struct reset_control *rst;
237 struct gpio_desc *gpio_pa;
238
239 /* ADC_FIFOC register is at different offset on different SoCs */
240 struct regmap_field *reg_adc_fifoc;
241
242 struct snd_dmaengine_dai_dma_data capture_dma_data;
243 struct snd_dmaengine_dai_dma_data playback_dma_data;
244 };
245
sun4i_codec_start_playback(struct sun4i_codec * scodec)246 static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
247 {
248 /* Flush TX FIFO */
249 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
250 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
251
252 /* Enable DAC DRQ */
253 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
254 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
255 }
256
sun4i_codec_stop_playback(struct sun4i_codec * scodec)257 static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
258 {
259 /* Disable DAC DRQ */
260 regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
261 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
262 }
263
sun4i_codec_start_capture(struct sun4i_codec * scodec)264 static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
265 {
266 /* Enable ADC DRQ */
267 regmap_field_set_bits(scodec->reg_adc_fifoc,
268 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
269 }
270
sun4i_codec_stop_capture(struct sun4i_codec * scodec)271 static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
272 {
273 /* Disable ADC DRQ */
274 regmap_field_clear_bits(scodec->reg_adc_fifoc,
275 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
276 }
277
sun4i_codec_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)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 = snd_soc_substream_to_rtd(substream);
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
sun4i_codec_prepare_capture(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)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 = snd_soc_substream_to_rtd(substream);
314 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
315
316
317 /* Flush RX FIFO */
318 regmap_field_set_bits(scodec->reg_adc_fifoc,
319 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
320
321
322 /* Set RX FIFO trigger level */
323 regmap_field_update_bits(scodec->reg_adc_fifoc,
324 0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
325 0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
326
327 /*
328 * FIXME: Undocumented in the datasheet, but
329 * Allwinner's code mentions that it is
330 * related to microphone gain
331 */
332 if (of_device_is_compatible(scodec->dev->of_node,
333 "allwinner,sun4i-a10-codec") ||
334 of_device_is_compatible(scodec->dev->of_node,
335 "allwinner,sun7i-a20-codec")) {
336 regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
337 0x3 << 25,
338 0x1 << 25);
339 }
340
341 if (of_device_is_compatible(scodec->dev->of_node,
342 "allwinner,sun7i-a20-codec"))
343 /* FIXME: Undocumented bits */
344 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
345 0x3 << 8,
346 0x1 << 8);
347
348 return 0;
349 }
350
sun4i_codec_prepare_playback(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)351 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
352 struct snd_soc_dai *dai)
353 {
354 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
355 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
356 u32 val;
357
358 /* Flush the TX FIFO */
359 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
360 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
361
362 /* Set TX FIFO Empty Trigger Level */
363 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
364 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
365 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
366
367 if (substream->runtime->rate > 32000)
368 /* Use 64 bits FIR filter */
369 val = 0;
370 else
371 /* Use 32 bits FIR filter */
372 val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
373
374 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
375 BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
376 val);
377
378 /* Send zeros when we have an underrun */
379 regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
380 BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT));
381
382 return 0;
383 };
384
sun4i_codec_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)385 static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
386 struct snd_soc_dai *dai)
387 {
388 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
389 return sun4i_codec_prepare_playback(substream, dai);
390
391 return sun4i_codec_prepare_capture(substream, dai);
392 }
393
sun4i_codec_get_mod_freq(struct snd_pcm_hw_params * params)394 static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
395 {
396 unsigned int rate = params_rate(params);
397
398 switch (rate) {
399 case 176400:
400 case 88200:
401 case 44100:
402 case 33075:
403 case 22050:
404 case 14700:
405 case 11025:
406 case 7350:
407 return 22579200;
408
409 case 192000:
410 case 96000:
411 case 48000:
412 case 32000:
413 case 24000:
414 case 16000:
415 case 12000:
416 case 8000:
417 return 24576000;
418
419 default:
420 return 0;
421 }
422 }
423
sun4i_codec_get_hw_rate(struct snd_pcm_hw_params * params)424 static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
425 {
426 unsigned int rate = params_rate(params);
427
428 switch (rate) {
429 case 192000:
430 case 176400:
431 return 6;
432
433 case 96000:
434 case 88200:
435 return 7;
436
437 case 48000:
438 case 44100:
439 return 0;
440
441 case 32000:
442 case 33075:
443 return 1;
444
445 case 24000:
446 case 22050:
447 return 2;
448
449 case 16000:
450 case 14700:
451 return 3;
452
453 case 12000:
454 case 11025:
455 return 4;
456
457 case 8000:
458 case 7350:
459 return 5;
460
461 default:
462 return -EINVAL;
463 }
464 }
465
sun4i_codec_hw_params_capture(struct sun4i_codec * scodec,struct snd_pcm_hw_params * params,unsigned int hwrate)466 static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
467 struct snd_pcm_hw_params *params,
468 unsigned int hwrate)
469 {
470 /* Set ADC sample rate */
471 regmap_field_update_bits(scodec->reg_adc_fifoc,
472 7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
473 hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
474
475 /* Set the number of channels we want to use */
476 if (params_channels(params) == 1)
477 regmap_field_set_bits(scodec->reg_adc_fifoc,
478 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
479 else
480 regmap_field_clear_bits(scodec->reg_adc_fifoc,
481 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
482
483 /* Set the number of sample bits to either 16 or 24 bits */
484 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
485 regmap_field_set_bits(scodec->reg_adc_fifoc,
486 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
487
488 regmap_field_clear_bits(scodec->reg_adc_fifoc,
489 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
490
491 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
492 } else {
493 regmap_field_clear_bits(scodec->reg_adc_fifoc,
494 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
495
496 /* Fill most significant bits with valid data MSB */
497 regmap_field_set_bits(scodec->reg_adc_fifoc,
498 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
499
500 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
501 }
502
503 return 0;
504 }
505
sun4i_codec_hw_params_playback(struct sun4i_codec * scodec,struct snd_pcm_hw_params * params,unsigned int hwrate)506 static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
507 struct snd_pcm_hw_params *params,
508 unsigned int hwrate)
509 {
510 u32 val;
511
512 /* Set DAC sample rate */
513 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
514 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
515 hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
516
517 /* Set the number of channels we want to use */
518 if (params_channels(params) == 1)
519 val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
520 else
521 val = 0;
522
523 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
524 BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
525 val);
526
527 /* Set the number of sample bits to either 16 or 24 bits */
528 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
529 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
530 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
531
532 /* Set TX FIFO mode to padding the LSBs with 0 */
533 regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
534 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
535
536 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
537 } else {
538 regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
539 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
540
541 /* Set TX FIFO mode to repeat the MSB */
542 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
543 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
544
545 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
546 }
547
548 return 0;
549 }
550
sun4i_codec_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)551 static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
552 struct snd_pcm_hw_params *params,
553 struct snd_soc_dai *dai)
554 {
555 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
556 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
557 unsigned long clk_freq;
558 int ret, hwrate;
559
560 clk_freq = sun4i_codec_get_mod_freq(params);
561 if (!clk_freq)
562 return -EINVAL;
563
564 ret = clk_set_rate(scodec->clk_module, clk_freq);
565 if (ret)
566 return ret;
567
568 hwrate = sun4i_codec_get_hw_rate(params);
569 if (hwrate < 0)
570 return hwrate;
571
572 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
573 return sun4i_codec_hw_params_playback(scodec, params,
574 hwrate);
575
576 return sun4i_codec_hw_params_capture(scodec, params,
577 hwrate);
578 }
579
sun4i_codec_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)580 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
581 struct snd_soc_dai *dai)
582 {
583 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
584 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
585
586 /*
587 * Stop issuing DRQ when we have room for less than 16 samples
588 * in our TX FIFO
589 */
590 regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
591 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
592
593 return clk_prepare_enable(scodec->clk_module);
594 }
595
sun4i_codec_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)596 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
597 struct snd_soc_dai *dai)
598 {
599 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
600 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
601
602 clk_disable_unprepare(scodec->clk_module);
603 }
604
605 static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
606 .startup = sun4i_codec_startup,
607 .shutdown = sun4i_codec_shutdown,
608 .trigger = sun4i_codec_trigger,
609 .hw_params = sun4i_codec_hw_params,
610 .prepare = sun4i_codec_prepare,
611 };
612
613 #define SUN4I_CODEC_RATES ( \
614 SNDRV_PCM_RATE_8000_48000 | \
615 SNDRV_PCM_RATE_12000 | \
616 SNDRV_PCM_RATE_24000 | \
617 SNDRV_PCM_RATE_96000 | \
618 SNDRV_PCM_RATE_192000)
619
620 static struct snd_soc_dai_driver sun4i_codec_dai = {
621 .name = "Codec",
622 .ops = &sun4i_codec_dai_ops,
623 .playback = {
624 .stream_name = "Codec Playback",
625 .channels_min = 1,
626 .channels_max = 2,
627 .rate_min = 8000,
628 .rate_max = 192000,
629 .rates = SUN4I_CODEC_RATES,
630 .formats = SNDRV_PCM_FMTBIT_S16_LE |
631 SNDRV_PCM_FMTBIT_S32_LE,
632 .sig_bits = 24,
633 },
634 .capture = {
635 .stream_name = "Codec Capture",
636 .channels_min = 1,
637 .channels_max = 2,
638 .rate_min = 8000,
639 .rate_max = 48000,
640 .rates = SUN4I_CODEC_RATES,
641 .formats = SNDRV_PCM_FMTBIT_S16_LE |
642 SNDRV_PCM_FMTBIT_S32_LE,
643 .sig_bits = 24,
644 },
645 };
646
647 /*** sun4i Codec ***/
648 static const struct snd_kcontrol_new sun4i_codec_pa_mute =
649 SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
650 SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
651
652 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
653 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150,
654 0);
655 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
656 0);
657 static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
658 0);
659 static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
660 0);
661 static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale,
662 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
663 1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0));
664 static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale,
665 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
666 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0));
667
668 static const struct snd_kcontrol_new sun4i_codec_controls[] = {
669 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
670 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
671 sun4i_codec_pa_volume_scale),
672 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
673 SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
674 sun4i_codec_linein_loopback_gain_scale),
675 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
676 SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
677 sun4i_codec_linein_preamp_gain_scale),
678 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
679 SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
680 sun4i_codec_fmin_loopback_gain_scale),
681 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
682 SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
683 sun4i_codec_micin_loopback_gain_scale),
684 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN4I_CODEC_ADC_ACTL,
685 SUN4I_CODEC_ADC_ACTL_PREG1, 3, 0,
686 sun4i_codec_micin_preamp_gain_scale),
687 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN4I_CODEC_ADC_ACTL,
688 SUN4I_CODEC_ADC_ACTL_PREG2, 3, 0,
689 sun4i_codec_micin_preamp_gain_scale),
690 };
691
692 static const struct snd_kcontrol_new sun7i_codec_controls[] = {
693 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
694 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
695 sun4i_codec_pa_volume_scale),
696 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
697 SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
698 sun4i_codec_linein_loopback_gain_scale),
699 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
700 SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
701 sun4i_codec_linein_preamp_gain_scale),
702 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
703 SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
704 sun4i_codec_fmin_loopback_gain_scale),
705 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
706 SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
707 sun4i_codec_micin_loopback_gain_scale),
708 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
709 SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1, 7, 0,
710 sun7i_codec_micin_preamp_gain_scale),
711 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
712 SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2, 7, 0,
713 sun7i_codec_micin_preamp_gain_scale),
714 };
715
716 static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = {
717 SOC_DAPM_SINGLE("Left Mixer Left DAC Playback Switch",
718 SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_LDACLMIXS,
719 1, 0),
720 SOC_DAPM_SINGLE("Right Mixer Right DAC Playback Switch",
721 SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_RDACRMIXS,
722 1, 0),
723 SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch",
724 SUN4I_CODEC_DAC_ACTL,
725 SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
726 SOC_DAPM_DOUBLE("Line Playback Switch", SUN4I_CODEC_DAC_ACTL,
727 SUN4I_CODEC_DAC_ACTL_LLNS,
728 SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
729 SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
730 SUN4I_CODEC_DAC_ACTL_LFMS,
731 SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
732 SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL,
733 SUN4I_CODEC_DAC_ACTL_MIC1LS,
734 SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
735 SOC_DAPM_DOUBLE("Mic2 Playback Switch", SUN4I_CODEC_DAC_ACTL,
736 SUN4I_CODEC_DAC_ACTL_MIC2LS,
737 SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0),
738 };
739
740 static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
741 SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
742 SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
743 SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
744 SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
745 };
746
747 static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
748 /* Digital parts of the ADCs */
749 SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
750 SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
751 NULL, 0),
752
753 /* Digital parts of the DACs */
754 SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
755 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
756 NULL, 0),
757
758 /* Analog parts of the ADCs */
759 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
760 SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
761 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
762 SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
763
764 /* Analog parts of the DACs */
765 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
766 SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
767 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
768 SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
769
770 /* Mixers */
771 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
772 sun4i_codec_mixer_controls,
773 ARRAY_SIZE(sun4i_codec_mixer_controls)),
774 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
775 sun4i_codec_mixer_controls,
776 ARRAY_SIZE(sun4i_codec_mixer_controls)),
777
778 /* Global Mixer Enable */
779 SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
780 SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
781
782 /* VMIC */
783 SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
784 SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
785
786 /* Mic Pre-Amplifiers */
787 SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
788 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
789 SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
790 SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0),
791
792 /* Power Amplifier */
793 SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
794 SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
795 sun4i_codec_pa_mixer_controls,
796 ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
797 SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
798 &sun4i_codec_pa_mute),
799
800 SND_SOC_DAPM_INPUT("Line Right"),
801 SND_SOC_DAPM_INPUT("Line Left"),
802 SND_SOC_DAPM_INPUT("FM Right"),
803 SND_SOC_DAPM_INPUT("FM Left"),
804 SND_SOC_DAPM_INPUT("Mic1"),
805 SND_SOC_DAPM_INPUT("Mic2"),
806
807 SND_SOC_DAPM_OUTPUT("HP Right"),
808 SND_SOC_DAPM_OUTPUT("HP Left"),
809 };
810
811 static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
812 /* Left ADC / DAC Routes */
813 { "Left ADC", NULL, "ADC" },
814 { "Left DAC", NULL, "DAC" },
815
816 /* Right ADC / DAC Routes */
817 { "Right ADC", NULL, "ADC" },
818 { "Right DAC", NULL, "DAC" },
819
820 /* Right Mixer Routes */
821 { "Right Mixer", NULL, "Mixer Enable" },
822 { "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" },
823 { "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" },
824 { "Right Mixer", "Line Playback Switch", "Line Right" },
825 { "Right Mixer", "FM Playback Switch", "FM Right" },
826 { "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
827 { "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
828
829 /* Left Mixer Routes */
830 { "Left Mixer", NULL, "Mixer Enable" },
831 { "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
832 { "Left Mixer", "Line Playback Switch", "Line Left" },
833 { "Left Mixer", "FM Playback Switch", "FM Left" },
834 { "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
835 { "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
836
837 /* Power Amplifier Routes */
838 { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
839 { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
840 { "Power Amplifier", "DAC Playback Switch", "Left DAC" },
841 { "Power Amplifier", "DAC Playback Switch", "Right DAC" },
842
843 /* Headphone Output Routes */
844 { "Power Amplifier Mute", "Switch", "Power Amplifier" },
845 { "HP Right", NULL, "Power Amplifier Mute" },
846 { "HP Left", NULL, "Power Amplifier Mute" },
847
848 /* Mic1 Routes */
849 { "Left ADC", NULL, "MIC1 Pre-Amplifier" },
850 { "Right ADC", NULL, "MIC1 Pre-Amplifier" },
851 { "MIC1 Pre-Amplifier", NULL, "Mic1"},
852 { "Mic1", NULL, "VMIC" },
853
854 /* Mic2 Routes */
855 { "Left ADC", NULL, "MIC2 Pre-Amplifier" },
856 { "Right ADC", NULL, "MIC2 Pre-Amplifier" },
857 { "MIC2 Pre-Amplifier", NULL, "Mic2"},
858 { "Mic2", NULL, "VMIC" },
859 };
860
861 static const struct snd_soc_component_driver sun4i_codec_codec = {
862 .controls = sun4i_codec_controls,
863 .num_controls = ARRAY_SIZE(sun4i_codec_controls),
864 .dapm_widgets = sun4i_codec_codec_dapm_widgets,
865 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
866 .dapm_routes = sun4i_codec_codec_dapm_routes,
867 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
868 .idle_bias_on = 1,
869 .use_pmdown_time = 1,
870 .endianness = 1,
871 };
872
873 static const struct snd_soc_component_driver sun7i_codec_codec = {
874 .controls = sun7i_codec_controls,
875 .num_controls = ARRAY_SIZE(sun7i_codec_controls),
876 .dapm_widgets = sun4i_codec_codec_dapm_widgets,
877 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
878 .dapm_routes = sun4i_codec_codec_dapm_routes,
879 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
880 .idle_bias_on = 1,
881 .use_pmdown_time = 1,
882 .endianness = 1,
883 };
884
885 /*** sun6i Codec ***/
886
887 /* mixer controls */
888 static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
889 SOC_DAPM_DOUBLE("DAC Playback Switch",
890 SUN6I_CODEC_OM_DACA_CTRL,
891 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
892 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
893 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
894 SUN6I_CODEC_OM_DACA_CTRL,
895 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
896 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
897 SOC_DAPM_DOUBLE("Line In Playback Switch",
898 SUN6I_CODEC_OM_DACA_CTRL,
899 SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
900 SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
901 SOC_DAPM_DOUBLE("Mic1 Playback Switch",
902 SUN6I_CODEC_OM_DACA_CTRL,
903 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
904 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
905 SOC_DAPM_DOUBLE("Mic2 Playback Switch",
906 SUN6I_CODEC_OM_DACA_CTRL,
907 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
908 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
909 };
910
911 /* ADC mixer controls */
912 static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
913 SOC_DAPM_DOUBLE("Mixer Capture Switch",
914 SUN6I_CODEC_ADC_ACTL,
915 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
916 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
917 SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
918 SUN6I_CODEC_ADC_ACTL,
919 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
920 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
921 SOC_DAPM_DOUBLE("Line In Capture Switch",
922 SUN6I_CODEC_ADC_ACTL,
923 SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
924 SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
925 SOC_DAPM_DOUBLE("Mic1 Capture Switch",
926 SUN6I_CODEC_ADC_ACTL,
927 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
928 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
929 SOC_DAPM_DOUBLE("Mic2 Capture Switch",
930 SUN6I_CODEC_ADC_ACTL,
931 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
932 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
933 };
934
935 /* headphone controls */
936 static const char * const sun6i_codec_hp_src_enum_text[] = {
937 "DAC", "Mixer",
938 };
939
940 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
941 SUN6I_CODEC_OM_DACA_CTRL,
942 SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
943 SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
944 sun6i_codec_hp_src_enum_text);
945
946 static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
947 SOC_DAPM_ENUM("Headphone Source Playback Route",
948 sun6i_codec_hp_src_enum),
949 };
950
951 /* microphone controls */
952 static const char * const sun6i_codec_mic2_src_enum_text[] = {
953 "Mic2", "Mic3",
954 };
955
956 static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
957 SUN6I_CODEC_MIC_CTRL,
958 SUN6I_CODEC_MIC_CTRL_MIC2SLT,
959 sun6i_codec_mic2_src_enum_text);
960
961 static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
962 SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
963 sun6i_codec_mic2_src_enum),
964 };
965
966 /* line out controls */
967 static const char * const sun6i_codec_lineout_src_enum_text[] = {
968 "Stereo", "Mono Differential",
969 };
970
971 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
972 SUN6I_CODEC_MIC_CTRL,
973 SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
974 SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
975 sun6i_codec_lineout_src_enum_text);
976
977 static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
978 SOC_DAPM_ENUM("Line Out Source Playback Route",
979 sun6i_codec_lineout_src_enum),
980 };
981
982 /* volume / mute controls */
983 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
984 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
985 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
986 -450, 150, 0);
987 static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
988 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
989 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
990 );
991 static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
992 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
993 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
994 );
995
996 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
997 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
998 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
999 sun6i_codec_dvol_scale),
1000 SOC_SINGLE_TLV("Headphone Playback Volume",
1001 SUN6I_CODEC_OM_DACA_CTRL,
1002 SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
1003 sun6i_codec_hp_vol_scale),
1004 SOC_SINGLE_TLV("Line Out Playback Volume",
1005 SUN6I_CODEC_MIC_CTRL,
1006 SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
1007 sun6i_codec_lineout_vol_scale),
1008 SOC_DOUBLE("Headphone Playback Switch",
1009 SUN6I_CODEC_OM_DACA_CTRL,
1010 SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
1011 SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
1012 SOC_DOUBLE("Line Out Playback Switch",
1013 SUN6I_CODEC_MIC_CTRL,
1014 SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
1015 SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
1016 /* Mixer pre-gains */
1017 SOC_SINGLE_TLV("Line In Playback Volume",
1018 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
1019 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1020 SOC_SINGLE_TLV("Mic1 Playback Volume",
1021 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
1022 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1023 SOC_SINGLE_TLV("Mic2 Playback Volume",
1024 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
1025 0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1026
1027 /* Microphone Amp boost gains */
1028 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
1029 SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
1030 sun6i_codec_mic_gain_scale),
1031 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
1032 SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
1033 sun6i_codec_mic_gain_scale),
1034 SOC_DOUBLE_TLV("ADC Capture Volume",
1035 SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
1036 SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
1037 sun6i_codec_out_mixer_pregain_scale),
1038 };
1039
1040 static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
1041 /* Microphone inputs */
1042 SND_SOC_DAPM_INPUT("MIC1"),
1043 SND_SOC_DAPM_INPUT("MIC2"),
1044 SND_SOC_DAPM_INPUT("MIC3"),
1045
1046 /* Microphone Bias */
1047 SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
1048 SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
1049 SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
1050 SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
1051
1052 /* Mic input path */
1053 SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
1054 SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
1055 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
1056 SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
1057 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
1058 SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
1059
1060 /* Line In */
1061 SND_SOC_DAPM_INPUT("LINEIN"),
1062
1063 /* Digital parts of the ADCs */
1064 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1065 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
1066 NULL, 0),
1067
1068 /* Analog parts of the ADCs */
1069 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
1070 SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
1071 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
1072 SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
1073
1074 /* ADC Mixers */
1075 SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1076 sun6i_codec_adc_mixer_controls),
1077 SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1078 sun6i_codec_adc_mixer_controls),
1079
1080 /* Digital parts of the DACs */
1081 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1082 SUN4I_CODEC_DAC_DPC_EN_DA, 0,
1083 NULL, 0),
1084
1085 /* Analog parts of the DACs */
1086 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
1087 SUN6I_CODEC_OM_DACA_CTRL,
1088 SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
1089 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
1090 SUN6I_CODEC_OM_DACA_CTRL,
1091 SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
1092
1093 /* Mixers */
1094 SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1095 SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
1096 sun6i_codec_mixer_controls),
1097 SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1098 SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
1099 sun6i_codec_mixer_controls),
1100
1101 /* Headphone output path */
1102 SND_SOC_DAPM_MUX("Headphone Source Playback Route",
1103 SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
1104 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
1105 SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
1106 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
1107 SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
1108 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
1109 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
1110 SND_SOC_DAPM_OUTPUT("HP"),
1111
1112 /* Line Out path */
1113 SND_SOC_DAPM_MUX("Line Out Source Playback Route",
1114 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
1115 SND_SOC_DAPM_OUTPUT("LINEOUT"),
1116 };
1117
1118 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
1119 /* DAC Routes */
1120 { "Left DAC", NULL, "DAC Enable" },
1121 { "Right DAC", NULL, "DAC Enable" },
1122
1123 /* Microphone Routes */
1124 { "Mic1 Amplifier", NULL, "MIC1"},
1125 { "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
1126 { "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
1127 { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
1128
1129 /* Left Mixer Routes */
1130 { "Left Mixer", "DAC Playback Switch", "Left DAC" },
1131 { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
1132 { "Left Mixer", "Line In Playback Switch", "LINEIN" },
1133 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1134 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1135
1136 /* Right Mixer Routes */
1137 { "Right Mixer", "DAC Playback Switch", "Right DAC" },
1138 { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
1139 { "Right Mixer", "Line In Playback Switch", "LINEIN" },
1140 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1141 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1142
1143 /* Left ADC Mixer Routes */
1144 { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
1145 { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
1146 { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
1147 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1148 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1149
1150 /* Right ADC Mixer Routes */
1151 { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
1152 { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
1153 { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
1154 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1155 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1156
1157 /* Headphone Routes */
1158 { "Headphone Source Playback Route", "DAC", "Left DAC" },
1159 { "Headphone Source Playback Route", "DAC", "Right DAC" },
1160 { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
1161 { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
1162 { "Headphone Amp", NULL, "Headphone Source Playback Route" },
1163 { "HP", NULL, "Headphone Amp" },
1164 { "HPCOM", NULL, "HPCOM Protection" },
1165
1166 /* Line Out Routes */
1167 { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
1168 { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
1169 { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
1170 { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
1171 { "LINEOUT", NULL, "Line Out Source Playback Route" },
1172
1173 /* ADC Routes */
1174 { "Left ADC", NULL, "ADC Enable" },
1175 { "Right ADC", NULL, "ADC Enable" },
1176 { "Left ADC", NULL, "Left ADC Mixer" },
1177 { "Right ADC", NULL, "Right ADC Mixer" },
1178 };
1179
1180 static const struct snd_soc_component_driver sun6i_codec_codec = {
1181 .controls = sun6i_codec_codec_widgets,
1182 .num_controls = ARRAY_SIZE(sun6i_codec_codec_widgets),
1183 .dapm_widgets = sun6i_codec_codec_dapm_widgets,
1184 .num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
1185 .dapm_routes = sun6i_codec_codec_dapm_routes,
1186 .num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
1187 .idle_bias_on = 1,
1188 .use_pmdown_time = 1,
1189 .endianness = 1,
1190 };
1191
1192 /* sun8i A23 codec */
1193 static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
1194 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
1195 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
1196 sun6i_codec_dvol_scale),
1197 };
1198
1199 static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
1200 /* Digital parts of the ADCs */
1201 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1202 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
1203 /* Digital parts of the DACs */
1204 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1205 SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
1206
1207 };
1208
1209 static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
1210 .controls = sun8i_a23_codec_codec_controls,
1211 .num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
1212 .dapm_widgets = sun8i_a23_codec_codec_widgets,
1213 .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
1214 .idle_bias_on = 1,
1215 .use_pmdown_time = 1,
1216 .endianness = 1,
1217 };
1218
1219 static const struct snd_soc_component_driver sun4i_codec_component = {
1220 .name = "sun4i-codec",
1221 .legacy_dai_naming = 1,
1222 #ifdef CONFIG_DEBUG_FS
1223 .debugfs_prefix = "cpu",
1224 #endif
1225 };
1226
1227 #define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
1228 SNDRV_PCM_FMTBIT_S32_LE)
1229
sun4i_codec_dai_probe(struct snd_soc_dai * dai)1230 static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
1231 {
1232 struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
1233 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1234
1235 snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
1236 &scodec->capture_dma_data);
1237
1238 return 0;
1239 }
1240
1241 static const struct snd_soc_dai_ops dummy_dai_ops = {
1242 .probe = sun4i_codec_dai_probe,
1243 };
1244
1245 static struct snd_soc_dai_driver dummy_cpu_dai = {
1246 .name = "sun4i-codec-cpu-dai",
1247 .playback = {
1248 .stream_name = "Playback",
1249 .channels_min = 1,
1250 .channels_max = 2,
1251 .rates = SUN4I_CODEC_RATES,
1252 .formats = SUN4I_CODEC_FORMATS,
1253 .sig_bits = 24,
1254 },
1255 .capture = {
1256 .stream_name = "Capture",
1257 .channels_min = 1,
1258 .channels_max = 2,
1259 .rates = SUN4I_CODEC_RATES,
1260 .formats = SUN4I_CODEC_FORMATS,
1261 .sig_bits = 24,
1262 },
1263 .ops = &dummy_dai_ops,
1264 };
1265
sun4i_codec_create_link(struct device * dev,int * num_links)1266 static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
1267 int *num_links)
1268 {
1269 struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
1270 GFP_KERNEL);
1271 struct snd_soc_dai_link_component *dlc = devm_kzalloc(dev,
1272 3 * sizeof(*dlc), GFP_KERNEL);
1273 if (!link || !dlc)
1274 return NULL;
1275
1276 link->cpus = &dlc[0];
1277 link->codecs = &dlc[1];
1278 link->platforms = &dlc[2];
1279
1280 link->num_cpus = 1;
1281 link->num_codecs = 1;
1282 link->num_platforms = 1;
1283
1284 link->name = "cdc";
1285 link->stream_name = "CDC PCM";
1286 link->codecs->dai_name = "Codec";
1287 link->cpus->dai_name = dev_name(dev);
1288 link->codecs->name = dev_name(dev);
1289 link->platforms->name = dev_name(dev);
1290 link->dai_fmt = SND_SOC_DAIFMT_I2S;
1291
1292 *num_links = 1;
1293
1294 return link;
1295 };
1296
sun4i_codec_spk_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)1297 static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
1298 struct snd_kcontrol *k, int event)
1299 {
1300 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
1301
1302 gpiod_set_value_cansleep(scodec->gpio_pa,
1303 !!SND_SOC_DAPM_EVENT_ON(event));
1304
1305 if (SND_SOC_DAPM_EVENT_ON(event)) {
1306 /*
1307 * Need a delay to wait for DAC to push the data. 700ms seems
1308 * to be the best compromise not to feel this delay while
1309 * playing a sound.
1310 */
1311 msleep(700);
1312 }
1313
1314 return 0;
1315 }
1316
1317 static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
1318 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1319 };
1320
1321 static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
1322 { "Speaker", NULL, "HP Right" },
1323 { "Speaker", NULL, "HP Left" },
1324 };
1325
sun4i_codec_create_card(struct device * dev)1326 static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
1327 {
1328 struct snd_soc_card *card;
1329
1330 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1331 if (!card)
1332 return ERR_PTR(-ENOMEM);
1333
1334 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1335 if (!card->dai_link)
1336 return ERR_PTR(-ENOMEM);
1337
1338 card->dev = dev;
1339 card->owner = THIS_MODULE;
1340 card->name = "sun4i-codec";
1341 card->dapm_widgets = sun4i_codec_card_dapm_widgets;
1342 card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
1343 card->dapm_routes = sun4i_codec_card_dapm_routes;
1344 card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
1345
1346 return card;
1347 };
1348
1349 static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
1350 SND_SOC_DAPM_HP("Headphone", NULL),
1351 SND_SOC_DAPM_LINE("Line In", NULL),
1352 SND_SOC_DAPM_LINE("Line Out", NULL),
1353 SND_SOC_DAPM_MIC("Headset Mic", NULL),
1354 SND_SOC_DAPM_MIC("Mic", NULL),
1355 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1356 };
1357
sun6i_codec_create_card(struct device * dev)1358 static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
1359 {
1360 struct snd_soc_card *card;
1361 int ret;
1362
1363 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1364 if (!card)
1365 return ERR_PTR(-ENOMEM);
1366
1367 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1368 if (!card->dai_link)
1369 return ERR_PTR(-ENOMEM);
1370
1371 card->dev = dev;
1372 card->owner = THIS_MODULE;
1373 card->name = "A31 Audio Codec";
1374 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1375 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1376 card->fully_routed = true;
1377
1378 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1379 if (ret)
1380 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1381
1382 return card;
1383 };
1384
1385 /* Connect digital side enables to analog side widgets */
1386 static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
1387 /* ADC Routes */
1388 { "Left ADC", NULL, "ADC Enable" },
1389 { "Right ADC", NULL, "ADC Enable" },
1390 { "Codec Capture", NULL, "Left ADC" },
1391 { "Codec Capture", NULL, "Right ADC" },
1392
1393 /* DAC Routes */
1394 { "Left DAC", NULL, "DAC Enable" },
1395 { "Right DAC", NULL, "DAC Enable" },
1396 { "Left DAC", NULL, "Codec Playback" },
1397 { "Right DAC", NULL, "Codec Playback" },
1398 };
1399
1400 static struct snd_soc_aux_dev aux_dev = {
1401 .dlc = COMP_EMPTY(),
1402 };
1403
sun8i_a23_codec_create_card(struct device * dev)1404 static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
1405 {
1406 struct snd_soc_card *card;
1407 int ret;
1408
1409 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1410 if (!card)
1411 return ERR_PTR(-ENOMEM);
1412
1413 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
1414 "allwinner,codec-analog-controls",
1415 0);
1416 if (!aux_dev.dlc.of_node) {
1417 dev_err(dev, "Can't find analog controls for codec.\n");
1418 return ERR_PTR(-EINVAL);
1419 }
1420
1421 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1422 if (!card->dai_link)
1423 return ERR_PTR(-ENOMEM);
1424
1425 card->dev = dev;
1426 card->owner = THIS_MODULE;
1427 card->name = "A23 Audio Codec";
1428 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1429 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1430 card->dapm_routes = sun8i_codec_card_routes;
1431 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1432 card->aux_dev = &aux_dev;
1433 card->num_aux_devs = 1;
1434 card->fully_routed = true;
1435
1436 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1437 if (ret)
1438 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1439
1440 return card;
1441 };
1442
sun8i_h3_codec_create_card(struct device * dev)1443 static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
1444 {
1445 struct snd_soc_card *card;
1446 int ret;
1447
1448 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1449 if (!card)
1450 return ERR_PTR(-ENOMEM);
1451
1452 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
1453 "allwinner,codec-analog-controls",
1454 0);
1455 if (!aux_dev.dlc.of_node) {
1456 dev_err(dev, "Can't find analog controls for codec.\n");
1457 return ERR_PTR(-EINVAL);
1458 }
1459
1460 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1461 if (!card->dai_link)
1462 return ERR_PTR(-ENOMEM);
1463
1464 card->dev = dev;
1465 card->owner = THIS_MODULE;
1466 card->name = "H3 Audio Codec";
1467 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1468 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1469 card->dapm_routes = sun8i_codec_card_routes;
1470 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1471 card->aux_dev = &aux_dev;
1472 card->num_aux_devs = 1;
1473 card->fully_routed = true;
1474
1475 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1476 if (ret)
1477 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1478
1479 return card;
1480 };
1481
sun8i_v3s_codec_create_card(struct device * dev)1482 static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
1483 {
1484 struct snd_soc_card *card;
1485 int ret;
1486
1487 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1488 if (!card)
1489 return ERR_PTR(-ENOMEM);
1490
1491 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
1492 "allwinner,codec-analog-controls",
1493 0);
1494 if (!aux_dev.dlc.of_node) {
1495 dev_err(dev, "Can't find analog controls for codec.\n");
1496 return ERR_PTR(-EINVAL);
1497 }
1498
1499 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1500 if (!card->dai_link)
1501 return ERR_PTR(-ENOMEM);
1502
1503 card->dev = dev;
1504 card->owner = THIS_MODULE;
1505 card->name = "V3s Audio Codec";
1506 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
1507 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1508 card->dapm_routes = sun8i_codec_card_routes;
1509 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
1510 card->aux_dev = &aux_dev;
1511 card->num_aux_devs = 1;
1512 card->fully_routed = true;
1513
1514 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1515 if (ret)
1516 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1517
1518 return card;
1519 };
1520
1521 static const struct regmap_config sun4i_codec_regmap_config = {
1522 .reg_bits = 32,
1523 .reg_stride = 4,
1524 .val_bits = 32,
1525 .max_register = SUN4I_CODEC_ADC_RXCNT,
1526 };
1527
1528 static const struct regmap_config sun6i_codec_regmap_config = {
1529 .reg_bits = 32,
1530 .reg_stride = 4,
1531 .val_bits = 32,
1532 .max_register = SUN6I_CODEC_HMIC_DATA,
1533 };
1534
1535 static const struct regmap_config sun7i_codec_regmap_config = {
1536 .reg_bits = 32,
1537 .reg_stride = 4,
1538 .val_bits = 32,
1539 .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
1540 };
1541
1542 static const struct regmap_config sun8i_a23_codec_regmap_config = {
1543 .reg_bits = 32,
1544 .reg_stride = 4,
1545 .val_bits = 32,
1546 .max_register = SUN8I_A23_CODEC_ADC_RXCNT,
1547 };
1548
1549 static const struct regmap_config sun8i_h3_codec_regmap_config = {
1550 .reg_bits = 32,
1551 .reg_stride = 4,
1552 .val_bits = 32,
1553 .max_register = SUN8I_H3_CODEC_ADC_DBG,
1554 };
1555
1556 static const struct regmap_config sun8i_v3s_codec_regmap_config = {
1557 .reg_bits = 32,
1558 .reg_stride = 4,
1559 .val_bits = 32,
1560 .max_register = SUN8I_H3_CODEC_ADC_DBG,
1561 };
1562
1563 struct sun4i_codec_quirks {
1564 const struct regmap_config *regmap_config;
1565 const struct snd_soc_component_driver *codec;
1566 struct snd_soc_card * (*create_card)(struct device *dev);
1567 struct reg_field reg_adc_fifoc; /* used for regmap_field */
1568 unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */
1569 unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */
1570 bool has_reset;
1571 };
1572
1573 static const struct sun4i_codec_quirks sun4i_codec_quirks = {
1574 .regmap_config = &sun4i_codec_regmap_config,
1575 .codec = &sun4i_codec_codec,
1576 .create_card = sun4i_codec_create_card,
1577 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1578 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1579 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1580 };
1581
1582 static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
1583 .regmap_config = &sun6i_codec_regmap_config,
1584 .codec = &sun6i_codec_codec,
1585 .create_card = sun6i_codec_create_card,
1586 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1587 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1588 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1589 .has_reset = true,
1590 };
1591
1592 static const struct sun4i_codec_quirks sun7i_codec_quirks = {
1593 .regmap_config = &sun7i_codec_regmap_config,
1594 .codec = &sun7i_codec_codec,
1595 .create_card = sun4i_codec_create_card,
1596 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1597 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1598 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1599 };
1600
1601 static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
1602 .regmap_config = &sun8i_a23_codec_regmap_config,
1603 .codec = &sun8i_a23_codec_codec,
1604 .create_card = sun8i_a23_codec_create_card,
1605 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1606 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1607 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1608 .has_reset = true,
1609 };
1610
1611 static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
1612 .regmap_config = &sun8i_h3_codec_regmap_config,
1613 /*
1614 * TODO Share the codec structure with A23 for now.
1615 * This should be split out when adding digital audio
1616 * processing support for the H3.
1617 */
1618 .codec = &sun8i_a23_codec_codec,
1619 .create_card = sun8i_h3_codec_create_card,
1620 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1621 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1622 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1623 .has_reset = true,
1624 };
1625
1626 static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
1627 .regmap_config = &sun8i_v3s_codec_regmap_config,
1628 /*
1629 * TODO The codec structure should be split out, like
1630 * H3, when adding digital audio processing support.
1631 */
1632 .codec = &sun8i_a23_codec_codec,
1633 .create_card = sun8i_v3s_codec_create_card,
1634 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1635 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1636 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1637 .has_reset = true,
1638 };
1639
1640 static const struct of_device_id sun4i_codec_of_match[] = {
1641 {
1642 .compatible = "allwinner,sun4i-a10-codec",
1643 .data = &sun4i_codec_quirks,
1644 },
1645 {
1646 .compatible = "allwinner,sun6i-a31-codec",
1647 .data = &sun6i_a31_codec_quirks,
1648 },
1649 {
1650 .compatible = "allwinner,sun7i-a20-codec",
1651 .data = &sun7i_codec_quirks,
1652 },
1653 {
1654 .compatible = "allwinner,sun8i-a23-codec",
1655 .data = &sun8i_a23_codec_quirks,
1656 },
1657 {
1658 .compatible = "allwinner,sun8i-h3-codec",
1659 .data = &sun8i_h3_codec_quirks,
1660 },
1661 {
1662 .compatible = "allwinner,sun8i-v3s-codec",
1663 .data = &sun8i_v3s_codec_quirks,
1664 },
1665 {}
1666 };
1667 MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
1668
sun4i_codec_probe(struct platform_device * pdev)1669 static int sun4i_codec_probe(struct platform_device *pdev)
1670 {
1671 struct snd_soc_card *card;
1672 struct sun4i_codec *scodec;
1673 const struct sun4i_codec_quirks *quirks;
1674 struct resource *res;
1675 void __iomem *base;
1676 int ret;
1677
1678 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1679 if (!scodec)
1680 return -ENOMEM;
1681
1682 scodec->dev = &pdev->dev;
1683
1684 base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
1685 if (IS_ERR(base))
1686 return PTR_ERR(base);
1687
1688 quirks = of_device_get_match_data(&pdev->dev);
1689 if (quirks == NULL) {
1690 dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
1691 return -ENODEV;
1692 }
1693
1694 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
1695 quirks->regmap_config);
1696 if (IS_ERR(scodec->regmap)) {
1697 dev_err(&pdev->dev, "Failed to create our regmap\n");
1698 return PTR_ERR(scodec->regmap);
1699 }
1700
1701 /* Get the clocks from the DT */
1702 scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
1703 if (IS_ERR(scodec->clk_apb)) {
1704 dev_err(&pdev->dev, "Failed to get the APB clock\n");
1705 return PTR_ERR(scodec->clk_apb);
1706 }
1707
1708 scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
1709 if (IS_ERR(scodec->clk_module)) {
1710 dev_err(&pdev->dev, "Failed to get the module clock\n");
1711 return PTR_ERR(scodec->clk_module);
1712 }
1713
1714 if (quirks->has_reset) {
1715 scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
1716 NULL);
1717 if (IS_ERR(scodec->rst)) {
1718 dev_err(&pdev->dev, "Failed to get reset control\n");
1719 return PTR_ERR(scodec->rst);
1720 }
1721 }
1722
1723 scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
1724 GPIOD_OUT_LOW);
1725 if (IS_ERR(scodec->gpio_pa)) {
1726 ret = PTR_ERR(scodec->gpio_pa);
1727 dev_err_probe(&pdev->dev, ret, "Failed to get pa gpio\n");
1728 return ret;
1729 }
1730
1731 /* reg_field setup */
1732 scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
1733 scodec->regmap,
1734 quirks->reg_adc_fifoc);
1735 if (IS_ERR(scodec->reg_adc_fifoc)) {
1736 ret = PTR_ERR(scodec->reg_adc_fifoc);
1737 dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
1738 ret);
1739 return ret;
1740 }
1741
1742 /* Enable the bus clock */
1743 if (clk_prepare_enable(scodec->clk_apb)) {
1744 dev_err(&pdev->dev, "Failed to enable the APB clock\n");
1745 return -EINVAL;
1746 }
1747
1748 /* Deassert the reset control */
1749 if (scodec->rst) {
1750 ret = reset_control_deassert(scodec->rst);
1751 if (ret) {
1752 dev_err(&pdev->dev,
1753 "Failed to deassert the reset control\n");
1754 goto err_clk_disable;
1755 }
1756 }
1757
1758 /* DMA configuration for TX FIFO */
1759 scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
1760 scodec->playback_dma_data.maxburst = 8;
1761 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1762
1763 /* DMA configuration for RX FIFO */
1764 scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
1765 scodec->capture_dma_data.maxburst = 8;
1766 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1767
1768 ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
1769 &sun4i_codec_dai, 1);
1770 if (ret) {
1771 dev_err(&pdev->dev, "Failed to register our codec\n");
1772 goto err_assert_reset;
1773 }
1774
1775 ret = devm_snd_soc_register_component(&pdev->dev,
1776 &sun4i_codec_component,
1777 &dummy_cpu_dai, 1);
1778 if (ret) {
1779 dev_err(&pdev->dev, "Failed to register our DAI\n");
1780 goto err_assert_reset;
1781 }
1782
1783 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
1784 if (ret) {
1785 dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
1786 goto err_assert_reset;
1787 }
1788
1789 card = quirks->create_card(&pdev->dev);
1790 if (IS_ERR(card)) {
1791 ret = PTR_ERR(card);
1792 dev_err(&pdev->dev, "Failed to create our card\n");
1793 goto err_assert_reset;
1794 }
1795
1796 snd_soc_card_set_drvdata(card, scodec);
1797
1798 ret = snd_soc_register_card(card);
1799 if (ret) {
1800 dev_err_probe(&pdev->dev, ret, "Failed to register our card\n");
1801 goto err_assert_reset;
1802 }
1803
1804 return 0;
1805
1806 err_assert_reset:
1807 if (scodec->rst)
1808 reset_control_assert(scodec->rst);
1809 err_clk_disable:
1810 clk_disable_unprepare(scodec->clk_apb);
1811 return ret;
1812 }
1813
sun4i_codec_remove(struct platform_device * pdev)1814 static void sun4i_codec_remove(struct platform_device *pdev)
1815 {
1816 struct snd_soc_card *card = platform_get_drvdata(pdev);
1817 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1818
1819 snd_soc_unregister_card(card);
1820 if (scodec->rst)
1821 reset_control_assert(scodec->rst);
1822 clk_disable_unprepare(scodec->clk_apb);
1823 }
1824
1825 static struct platform_driver sun4i_codec_driver = {
1826 .driver = {
1827 .name = "sun4i-codec",
1828 .of_match_table = sun4i_codec_of_match,
1829 },
1830 .probe = sun4i_codec_probe,
1831 .remove = sun4i_codec_remove,
1832 };
1833 module_platform_driver(sun4i_codec_driver);
1834
1835 MODULE_DESCRIPTION("Allwinner A10 codec driver");
1836 MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
1837 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
1838 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
1839 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
1840 MODULE_LICENSE("GPL");
1841