Merge tag 'printk-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/printk...
[platform/kernel/linux-starfive.git] / sound / soc / sunxi / sun8i-codec.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * This driver supports the digital controls for the internal codec
4  * found in Allwinner's A33 SoCs.
5  *
6  * (C) Copyright 2010-2016
7  * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
8  * huangxin <huangxin@Reuuimllatech.com>
9  * Mylène Josserand <mylene.josserand@free-electrons.com>
10  */
11
12 #include <linux/module.h>
13 #include <linux/delay.h>
14 #include <linux/clk.h>
15 #include <linux/io.h>
16 #include <linux/of_device.h>
17 #include <linux/pm_runtime.h>
18 #include <linux/regmap.h>
19 #include <linux/log2.h>
20
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/soc-dapm.h>
24
25 #define SUN8I_SYSCLK_CTL                                0x00c
26 #define SUN8I_SYSCLK_CTL_AIF1CLK_ENA                    11
27 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL                (0x2 << 8)
28 #define SUN8I_SYSCLK_CTL_AIF2CLK_ENA                    7
29 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL                (0x2 << 4)
30 #define SUN8I_SYSCLK_CTL_SYSCLK_ENA                     3
31 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC                     0
32 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK             (0x0 << 0)
33 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK             (0x1 << 0)
34 #define SUN8I_MOD_CLK_ENA                               0x010
35 #define SUN8I_MOD_CLK_ENA_AIF1                          15
36 #define SUN8I_MOD_CLK_ENA_AIF2                          14
37 #define SUN8I_MOD_CLK_ENA_AIF3                          13
38 #define SUN8I_MOD_CLK_ENA_ADC                           3
39 #define SUN8I_MOD_CLK_ENA_DAC                           2
40 #define SUN8I_MOD_RST_CTL                               0x014
41 #define SUN8I_MOD_RST_CTL_AIF1                          15
42 #define SUN8I_MOD_RST_CTL_AIF2                          14
43 #define SUN8I_MOD_RST_CTL_AIF3                          13
44 #define SUN8I_MOD_RST_CTL_ADC                           3
45 #define SUN8I_MOD_RST_CTL_DAC                           2
46 #define SUN8I_SYS_SR_CTRL                               0x018
47 #define SUN8I_SYS_SR_CTRL_AIF1_FS                       12
48 #define SUN8I_SYS_SR_CTRL_AIF2_FS                       8
49 #define SUN8I_AIF_CLK_CTRL(n)                           (0x040 * (1 + (n)))
50 #define SUN8I_AIF_CLK_CTRL_MSTR_MOD                     15
51 #define SUN8I_AIF_CLK_CTRL_CLK_INV                      13
52 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV                     9
53 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV                     6
54 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ                     4
55 #define SUN8I_AIF_CLK_CTRL_DATA_FMT                     2
56 #define SUN8I_AIF1_ADCDAT_CTRL                          0x044
57 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA            15
58 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA            14
59 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC            10
60 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC            8
61 #define SUN8I_AIF1_DACDAT_CTRL                          0x048
62 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA            15
63 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA            14
64 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC            10
65 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC            8
66 #define SUN8I_AIF1_MXR_SRC                              0x04c
67 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L        15
68 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL        14
69 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL            13
70 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR        12
71 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R        11
72 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR        10
73 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR            9
74 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL        8
75 #define SUN8I_AIF2_ADCDAT_CTRL                          0x084
76 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA            15
77 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA            14
78 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC            10
79 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC            8
80 #define SUN8I_AIF2_DACDAT_CTRL                          0x088
81 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA            15
82 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA            14
83 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC            10
84 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC            8
85 #define SUN8I_AIF2_MXR_SRC                              0x08c
86 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L        15
87 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L        14
88 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR        13
89 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL            12
90 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R        11
91 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R        10
92 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL        9
93 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR            8
94 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1           (0x0 << 0)
95 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2           (0x1 << 0)
96 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK        (0x2 << 0)
97 #define SUN8I_AIF3_PATH_CTRL                            0x0cc
98 #define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC               10
99 #define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC               8
100 #define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI              7
101 #define SUN8I_ADC_DIG_CTRL                              0x100
102 #define SUN8I_ADC_DIG_CTRL_ENAD                         15
103 #define SUN8I_ADC_DIG_CTRL_ADOUT_DTS                    2
104 #define SUN8I_ADC_DIG_CTRL_ADOUT_DLY                    1
105 #define SUN8I_DAC_DIG_CTRL                              0x120
106 #define SUN8I_DAC_DIG_CTRL_ENDA                         15
107 #define SUN8I_DAC_MXR_SRC                               0x130
108 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L         15
109 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L         14
110 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL         13
111 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL             12
112 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R         11
113 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R         10
114 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR         9
115 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR             8
116
117 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK       GENMASK(9, 8)
118 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK       GENMASK(5, 4)
119 #define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK          GENMASK(15, 12)
120 #define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK          GENMASK(11, 8)
121 #define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK         GENMASK(14, 13)
122 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK        GENMASK(12, 9)
123 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK        GENMASK(8, 6)
124 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK        GENMASK(5, 4)
125 #define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK        GENMASK(3, 2)
126 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK   GENMASK(1, 0)
127
128 #define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000
129
130 #define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8     |\
131                                  SNDRV_PCM_FMTBIT_S16_LE |\
132                                  SNDRV_PCM_FMTBIT_S20_LE |\
133                                  SNDRV_PCM_FMTBIT_S24_LE |\
134                                  SNDRV_PCM_FMTBIT_S20_3LE|\
135                                  SNDRV_PCM_FMTBIT_S24_3LE)
136
137 #define SUN8I_CODEC_PCM_RATES   (SNDRV_PCM_RATE_8000_48000|\
138                                  SNDRV_PCM_RATE_88200     |\
139                                  SNDRV_PCM_RATE_96000     |\
140                                  SNDRV_PCM_RATE_176400    |\
141                                  SNDRV_PCM_RATE_192000    |\
142                                  SNDRV_PCM_RATE_KNOT)
143
144 enum {
145         SUN8I_CODEC_AIF1,
146         SUN8I_CODEC_AIF2,
147         SUN8I_CODEC_AIF3,
148         SUN8I_CODEC_NAIFS
149 };
150
151 struct sun8i_codec_aif {
152         unsigned int    lrck_div_order;
153         unsigned int    sample_rate;
154         unsigned int    slots;
155         unsigned int    slot_width;
156         unsigned int    active_streams  : 2;
157         unsigned int    open_streams    : 2;
158 };
159
160 struct sun8i_codec_quirks {
161         bool legacy_widgets     : 1;
162         bool lrck_inversion     : 1;
163 };
164
165 struct sun8i_codec {
166         struct regmap                   *regmap;
167         struct clk                      *clk_module;
168         const struct sun8i_codec_quirks *quirks;
169         struct sun8i_codec_aif          aifs[SUN8I_CODEC_NAIFS];
170         unsigned int                    sysclk_rate;
171         int                             sysclk_refcnt;
172 };
173
174 static struct snd_soc_dai_driver sun8i_codec_dais[];
175
176 static int sun8i_codec_runtime_resume(struct device *dev)
177 {
178         struct sun8i_codec *scodec = dev_get_drvdata(dev);
179         int ret;
180
181         regcache_cache_only(scodec->regmap, false);
182
183         ret = regcache_sync(scodec->regmap);
184         if (ret) {
185                 dev_err(dev, "Failed to sync regmap cache\n");
186                 return ret;
187         }
188
189         return 0;
190 }
191
192 static int sun8i_codec_runtime_suspend(struct device *dev)
193 {
194         struct sun8i_codec *scodec = dev_get_drvdata(dev);
195
196         regcache_cache_only(scodec->regmap, true);
197         regcache_mark_dirty(scodec->regmap);
198
199         return 0;
200 }
201
202 static int sun8i_codec_get_hw_rate(unsigned int sample_rate)
203 {
204         switch (sample_rate) {
205         case 7350:
206         case 8000:
207                 return 0x0;
208         case 11025:
209                 return 0x1;
210         case 12000:
211                 return 0x2;
212         case 14700:
213         case 16000:
214                 return 0x3;
215         case 22050:
216                 return 0x4;
217         case 24000:
218                 return 0x5;
219         case 29400:
220         case 32000:
221                 return 0x6;
222         case 44100:
223                 return 0x7;
224         case 48000:
225                 return 0x8;
226         case 88200:
227         case 96000:
228                 return 0x9;
229         case 176400:
230         case 192000:
231                 return 0xa;
232         default:
233                 return -EINVAL;
234         }
235 }
236
237 static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec)
238 {
239         unsigned int max_rate = 0;
240         int hw_rate, i;
241
242         for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) {
243                 struct sun8i_codec_aif *aif = &scodec->aifs[i];
244
245                 if (aif->active_streams)
246                         max_rate = max(max_rate, aif->sample_rate);
247         }
248
249         /* Set the sample rate for ADC->DAC passthrough when no AIF is active. */
250         if (!max_rate)
251                 max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE;
252
253         hw_rate = sun8i_codec_get_hw_rate(max_rate);
254         if (hw_rate < 0)
255                 return hw_rate;
256
257         regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
258                            SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
259                            hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
260
261         return 0;
262 }
263
264 static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
265 {
266         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
267         u32 dsp_format, format, invert, value;
268
269         /* clock masters */
270         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
271         case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */
272                 value = 0x1;
273                 break;
274         case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */
275                 value = 0x0;
276                 break;
277         default:
278                 return -EINVAL;
279         }
280
281         if (dai->id == SUN8I_CODEC_AIF3) {
282                 /* AIF3 only supports master mode. */
283                 if (value)
284                         return -EINVAL;
285
286                 /* Use the AIF2 BCLK and LRCK for AIF3. */
287                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
288                                    SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK,
289                                    SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2);
290         } else {
291                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
292                                    BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD),
293                                    value << SUN8I_AIF_CLK_CTRL_MSTR_MOD);
294         }
295
296         /* DAI format */
297         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
298         case SND_SOC_DAIFMT_I2S:
299                 format = 0x0;
300                 break;
301         case SND_SOC_DAIFMT_LEFT_J:
302                 format = 0x1;
303                 break;
304         case SND_SOC_DAIFMT_RIGHT_J:
305                 format = 0x2;
306                 break;
307         case SND_SOC_DAIFMT_DSP_A:
308                 format = 0x3;
309                 dsp_format = 0x0; /* Set LRCK_INV to 0 */
310                 break;
311         case SND_SOC_DAIFMT_DSP_B:
312                 format = 0x3;
313                 dsp_format = 0x1; /* Set LRCK_INV to 1 */
314                 break;
315         default:
316                 return -EINVAL;
317         }
318
319         if (dai->id == SUN8I_CODEC_AIF3) {
320                 /* AIF3 only supports DSP mode. */
321                 if (format != 3)
322                         return -EINVAL;
323         } else {
324                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
325                                    SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK,
326                                    format << SUN8I_AIF_CLK_CTRL_DATA_FMT);
327         }
328
329         /* clock inversion */
330         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
331         case SND_SOC_DAIFMT_NB_NF: /* Normal */
332                 invert = 0x0;
333                 break;
334         case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */
335                 invert = 0x1;
336                 break;
337         case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */
338                 invert = 0x2;
339                 break;
340         case SND_SOC_DAIFMT_IB_IF: /* Both inverted */
341                 invert = 0x3;
342                 break;
343         default:
344                 return -EINVAL;
345         }
346
347         if (format == 0x3) {
348                 /* Inverted LRCK is not available in DSP mode. */
349                 if (invert & BIT(0))
350                         return -EINVAL;
351
352                 /* Instead, the bit selects between DSP A/B formats. */
353                 invert |= dsp_format;
354         } else {
355                 /*
356                  * It appears that the DAI and the codec in the A33 SoC don't
357                  * share the same polarity for the LRCK signal when they mean
358                  * 'normal' and 'inverted' in the datasheet.
359                  *
360                  * Since the DAI here is our regular i2s driver that have been
361                  * tested with way more codecs than just this one, it means
362                  * that the codec probably gets it backward, and we have to
363                  * invert the value here.
364                  */
365                 invert ^= scodec->quirks->lrck_inversion;
366         }
367
368         regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
369                            SUN8I_AIF_CLK_CTRL_CLK_INV_MASK,
370                            invert << SUN8I_AIF_CLK_CTRL_CLK_INV);
371
372         return 0;
373 }
374
375 static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai,
376                                     unsigned int tx_mask, unsigned int rx_mask,
377                                     int slots, int slot_width)
378 {
379         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
380         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
381
382         if (slot_width && !is_power_of_2(slot_width))
383                 return -EINVAL;
384
385         aif->slots = slots;
386         aif->slot_width = slot_width;
387
388         return 0;
389 }
390
391 static const unsigned int sun8i_codec_rates[] = {
392           7350,   8000,  11025,  12000,  14700,  16000,  22050,  24000,
393          29400,  32000,  44100,  48000,  88200,  96000, 176400, 192000,
394 };
395
396 static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = {
397         .list   = sun8i_codec_rates,
398         .count  = ARRAY_SIZE(sun8i_codec_rates),
399 };
400
401 static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = {
402         .list   = sun8i_codec_rates,
403         .count  = ARRAY_SIZE(sun8i_codec_rates),
404         .mask   = 0x5555,
405 };
406
407 static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = {
408         .list   = sun8i_codec_rates,
409         .count  = ARRAY_SIZE(sun8i_codec_rates),
410         .mask   = 0xaaaa,
411 };
412
413 static int sun8i_codec_startup(struct snd_pcm_substream *substream,
414                                struct snd_soc_dai *dai)
415 {
416         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
417         const struct snd_pcm_hw_constraint_list *list;
418
419         /* hw_constraints is not relevant for codec2codec DAIs. */
420         if (dai->id != SUN8I_CODEC_AIF1)
421                 return 0;
422
423         if (!scodec->sysclk_refcnt)
424                 list = &sun8i_codec_all_rates;
425         else if (scodec->sysclk_rate == 22579200)
426                 list = &sun8i_codec_22M_rates;
427         else if (scodec->sysclk_rate == 24576000)
428                 list = &sun8i_codec_24M_rates;
429         else
430                 return -EINVAL;
431
432         return snd_pcm_hw_constraint_list(substream->runtime, 0,
433                                           SNDRV_PCM_HW_PARAM_RATE, list);
434 }
435
436 struct sun8i_codec_clk_div {
437         u8      div;
438         u8      val;
439 };
440
441 static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
442         { .div = 1,     .val = 0 },
443         { .div = 2,     .val = 1 },
444         { .div = 4,     .val = 2 },
445         { .div = 6,     .val = 3 },
446         { .div = 8,     .val = 4 },
447         { .div = 12,    .val = 5 },
448         { .div = 16,    .val = 6 },
449         { .div = 24,    .val = 7 },
450         { .div = 32,    .val = 8 },
451         { .div = 48,    .val = 9 },
452         { .div = 64,    .val = 10 },
453         { .div = 96,    .val = 11 },
454         { .div = 128,   .val = 12 },
455         { .div = 192,   .val = 13 },
456 };
457
458 static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate,
459                                     unsigned int lrck_div_order,
460                                     unsigned int sample_rate)
461 {
462         unsigned int div = sysclk_rate / sample_rate >> lrck_div_order;
463         int i;
464
465         for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
466                 const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
467
468                 if (bdiv->div == div)
469                         return bdiv->val;
470         }
471
472         return -EINVAL;
473 }
474
475 static int sun8i_codec_get_lrck_div_order(unsigned int slots,
476                                           unsigned int slot_width)
477 {
478         unsigned int div = slots * slot_width;
479
480         if (div < 16 || div > 256)
481                 return -EINVAL;
482
483         return order_base_2(div);
484 }
485
486 static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
487 {
488         return (sample_rate % 4000) ? 22579200 : 24576000;
489 }
490
491 static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
492                                  struct snd_pcm_hw_params *params,
493                                  struct snd_soc_dai *dai)
494 {
495         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
496         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
497         unsigned int sample_rate = params_rate(params);
498         unsigned int slots = aif->slots ?: params_channels(params);
499         unsigned int slot_width = aif->slot_width ?: params_width(params);
500         unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate);
501         int bclk_div, lrck_div_order, ret, word_size;
502         u32 clk_reg;
503
504         /* word size */
505         switch (params_width(params)) {
506         case 8:
507                 word_size = 0x0;
508                 break;
509         case 16:
510                 word_size = 0x1;
511                 break;
512         case 20:
513                 word_size = 0x2;
514                 break;
515         case 24:
516                 word_size = 0x3;
517                 break;
518         default:
519                 return -EINVAL;
520         }
521
522         regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
523                            SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK,
524                            word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ);
525
526         /* LRCK divider (BCLK/LRCK ratio) */
527         lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width);
528         if (lrck_div_order < 0)
529                 return lrck_div_order;
530
531         if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {
532                 /* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */
533                 int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;
534                 const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];
535                 const char *partner_name = sun8i_codec_dais[partner].name;
536
537                 if (partner_aif->open_streams &&
538                     (lrck_div_order != partner_aif->lrck_div_order ||
539                      sample_rate != partner_aif->sample_rate)) {
540                         dev_err(dai->dev,
541                                 "%s sample and bit rates must match %s when both are used\n",
542                                 dai->name, partner_name);
543                         return -EBUSY;
544                 }
545
546                 clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2);
547         } else {
548                 clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);
549         }
550
551         regmap_update_bits(scodec->regmap, clk_reg,
552                            SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK,
553                            (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);
554
555         /* BCLK divider (SYSCLK/BCLK ratio) */
556         bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate);
557         if (bclk_div < 0)
558                 return bclk_div;
559
560         regmap_update_bits(scodec->regmap, clk_reg,
561                            SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK,
562                            bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV);
563
564         /*
565          * SYSCLK rate
566          *
567          * Clock rate protection is reference counted; but hw_params may be
568          * called many times per substream, without matching calls to hw_free.
569          * Protect the clock rate once per AIF, on the first hw_params call
570          * for the first substream. clk_set_rate() will allow clock rate
571          * changes on subsequent calls if only one AIF has open streams.
572          */
573         ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,
574                                                                           sysclk_rate);
575         if (ret == -EBUSY)
576                 dev_err(dai->dev,
577                         "%s sample rate (%u Hz) conflicts with other audio streams\n",
578                         dai->name, sample_rate);
579         if (ret < 0)
580                 return ret;
581
582         if (!aif->open_streams)
583                 scodec->sysclk_refcnt++;
584         scodec->sysclk_rate = sysclk_rate;
585
586         aif->lrck_div_order = lrck_div_order;
587         aif->sample_rate = sample_rate;
588         aif->open_streams |= BIT(substream->stream);
589
590         return sun8i_codec_update_sample_rate(scodec);
591 }
592
593 static int sun8i_codec_hw_free(struct snd_pcm_substream *substream,
594                                struct snd_soc_dai *dai)
595 {
596         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
597         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
598
599         /* Drop references when the last substream for the AIF is freed. */
600         if (aif->open_streams != BIT(substream->stream))
601                 goto done;
602
603         clk_rate_exclusive_put(scodec->clk_module);
604         scodec->sysclk_refcnt--;
605         aif->lrck_div_order = 0;
606         aif->sample_rate = 0;
607
608 done:
609         aif->open_streams &= ~BIT(substream->stream);
610         return 0;
611 }
612
613 static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
614         .set_fmt        = sun8i_codec_set_fmt,
615         .set_tdm_slot   = sun8i_codec_set_tdm_slot,
616         .startup        = sun8i_codec_startup,
617         .hw_params      = sun8i_codec_hw_params,
618         .hw_free        = sun8i_codec_hw_free,
619 };
620
621 static struct snd_soc_dai_driver sun8i_codec_dais[] = {
622         {
623                 .name   = "sun8i-codec-aif1",
624                 .id     = SUN8I_CODEC_AIF1,
625                 .ops    = &sun8i_codec_dai_ops,
626                 /* capture capabilities */
627                 .capture = {
628                         .stream_name    = "AIF1 Capture",
629                         .channels_min   = 1,
630                         .channels_max   = 2,
631                         .rates          = SUN8I_CODEC_PCM_RATES,
632                         .formats        = SUN8I_CODEC_PCM_FORMATS,
633                         .sig_bits       = 24,
634                 },
635                 /* playback capabilities */
636                 .playback = {
637                         .stream_name    = "AIF1 Playback",
638                         .channels_min   = 1,
639                         .channels_max   = 2,
640                         .rates          = SUN8I_CODEC_PCM_RATES,
641                         .formats        = SUN8I_CODEC_PCM_FORMATS,
642                 },
643                 .symmetric_rate         = true,
644                 .symmetric_channels     = true,
645                 .symmetric_sample_bits  = true,
646         },
647         {
648                 .name   = "sun8i-codec-aif2",
649                 .id     = SUN8I_CODEC_AIF2,
650                 .ops    = &sun8i_codec_dai_ops,
651                 /* capture capabilities */
652                 .capture = {
653                         .stream_name    = "AIF2 Capture",
654                         .channels_min   = 1,
655                         .channels_max   = 2,
656                         .rates          = SUN8I_CODEC_PCM_RATES,
657                         .formats        = SUN8I_CODEC_PCM_FORMATS,
658                         .sig_bits       = 24,
659                 },
660                 /* playback capabilities */
661                 .playback = {
662                         .stream_name    = "AIF2 Playback",
663                         .channels_min   = 1,
664                         .channels_max   = 2,
665                         .rates          = SUN8I_CODEC_PCM_RATES,
666                         .formats        = SUN8I_CODEC_PCM_FORMATS,
667                 },
668                 .symmetric_rate         = true,
669                 .symmetric_channels     = true,
670                 .symmetric_sample_bits  = true,
671         },
672         {
673                 .name   = "sun8i-codec-aif3",
674                 .id     = SUN8I_CODEC_AIF3,
675                 .ops    = &sun8i_codec_dai_ops,
676                 /* capture capabilities */
677                 .capture = {
678                         .stream_name    = "AIF3 Capture",
679                         .channels_min   = 1,
680                         .channels_max   = 1,
681                         .rates          = SUN8I_CODEC_PCM_RATES,
682                         .formats        = SUN8I_CODEC_PCM_FORMATS,
683                         .sig_bits       = 24,
684                 },
685                 /* playback capabilities */
686                 .playback = {
687                         .stream_name    = "AIF3 Playback",
688                         .channels_min   = 1,
689                         .channels_max   = 1,
690                         .rates          = SUN8I_CODEC_PCM_RATES,
691                         .formats        = SUN8I_CODEC_PCM_FORMATS,
692                 },
693                 .symmetric_rate         = true,
694                 .symmetric_channels     = true,
695                 .symmetric_sample_bits  = true,
696         },
697 };
698
699 static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w,
700                                  struct snd_kcontrol *kcontrol, int event)
701 {
702         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
703         struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
704         struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];
705         int stream = w->id == snd_soc_dapm_aif_out;
706
707         if (SND_SOC_DAPM_EVENT_ON(event))
708                 aif->active_streams |= BIT(stream);
709         else
710                 aif->active_streams &= ~BIT(stream);
711
712         return sun8i_codec_update_sample_rate(scodec);
713 }
714
715 static const char *const sun8i_aif_stereo_mux_enum_values[] = {
716         "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
717 };
718
719 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum,
720                             SUN8I_AIF1_ADCDAT_CTRL,
721                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC,
722                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC,
723                             sun8i_aif_stereo_mux_enum_values);
724
725 static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control =
726         SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
727                       sun8i_aif1_ad0_stereo_mux_enum);
728
729 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum,
730                             SUN8I_AIF2_ADCDAT_CTRL,
731                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC,
732                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC,
733                             sun8i_aif_stereo_mux_enum_values);
734
735 static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control =
736         SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
737                       sun8i_aif2_adc_stereo_mux_enum);
738
739 static const char *const sun8i_aif3_adc_mux_enum_values[] = {
740         "None", "AIF2 ADCL", "AIF2 ADCR"
741 };
742
743 static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum,
744                             SUN8I_AIF3_PATH_CTRL,
745                             SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC,
746                             sun8i_aif3_adc_mux_enum_values);
747
748 static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control =
749         SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
750                       sun8i_aif3_adc_mux_enum);
751
752 static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
753         SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
754                         SUN8I_AIF1_MXR_SRC,
755                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L,
756                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
757         SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
758                         SUN8I_AIF1_MXR_SRC,
759                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL,
760                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
761         SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
762                         SUN8I_AIF1_MXR_SRC,
763                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL,
764                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
765         SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
766                         SUN8I_AIF1_MXR_SRC,
767                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR,
768                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
769 };
770
771 static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
772         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
773                         SUN8I_AIF2_MXR_SRC,
774                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
775                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
776         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
777                         SUN8I_AIF2_MXR_SRC,
778                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
779                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
780         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
781                         SUN8I_AIF2_MXR_SRC,
782                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
783                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
784         SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
785                         SUN8I_AIF2_MXR_SRC,
786                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
787                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
788 };
789
790 static const char *const sun8i_aif2_dac_mux_enum_values[] = {
791         "AIF2", "AIF3+2", "AIF2+3"
792 };
793
794 static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum,
795                             SUN8I_AIF3_PATH_CTRL,
796                             SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC,
797                             sun8i_aif2_dac_mux_enum_values);
798
799 static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control =
800         SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
801                       sun8i_aif2_dac_mux_enum);
802
803 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum,
804                             SUN8I_AIF1_DACDAT_CTRL,
805                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC,
806                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC,
807                             sun8i_aif_stereo_mux_enum_values);
808
809 static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control =
810         SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
811                       sun8i_aif1_da0_stereo_mux_enum);
812
813 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum,
814                             SUN8I_AIF2_DACDAT_CTRL,
815                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC,
816                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC,
817                             sun8i_aif_stereo_mux_enum_values);
818
819 static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control =
820         SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
821                       sun8i_aif2_dac_stereo_mux_enum);
822
823 static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
824         SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
825                         SUN8I_DAC_MXR_SRC,
826                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
827                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
828         SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
829                         SUN8I_DAC_MXR_SRC,
830                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
831                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
832         SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
833                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
834                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
835         SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
836                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
837                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
838 };
839
840 static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
841         /* System Clocks */
842         SND_SOC_DAPM_CLOCK_SUPPLY("mod"),
843
844         SND_SOC_DAPM_SUPPLY("AIF1CLK",
845                             SUN8I_SYSCLK_CTL,
846                             SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
847         SND_SOC_DAPM_SUPPLY("AIF2CLK",
848                             SUN8I_SYSCLK_CTL,
849                             SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
850         SND_SOC_DAPM_SUPPLY("SYSCLK",
851                             SUN8I_SYSCLK_CTL,
852                             SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
853
854         /* Module Clocks */
855         SND_SOC_DAPM_SUPPLY("CLK AIF1",
856                             SUN8I_MOD_CLK_ENA,
857                             SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
858         SND_SOC_DAPM_SUPPLY("CLK AIF2",
859                             SUN8I_MOD_CLK_ENA,
860                             SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
861         SND_SOC_DAPM_SUPPLY("CLK AIF3",
862                             SUN8I_MOD_CLK_ENA,
863                             SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0),
864         SND_SOC_DAPM_SUPPLY("CLK ADC",
865                             SUN8I_MOD_CLK_ENA,
866                             SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
867         SND_SOC_DAPM_SUPPLY("CLK DAC",
868                             SUN8I_MOD_CLK_ENA,
869                             SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
870
871         /* Module Resets */
872         SND_SOC_DAPM_SUPPLY("RST AIF1",
873                             SUN8I_MOD_RST_CTL,
874                             SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
875         SND_SOC_DAPM_SUPPLY("RST AIF2",
876                             SUN8I_MOD_RST_CTL,
877                             SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
878         SND_SOC_DAPM_SUPPLY("RST AIF3",
879                             SUN8I_MOD_RST_CTL,
880                             SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0),
881         SND_SOC_DAPM_SUPPLY("RST ADC",
882                             SUN8I_MOD_RST_CTL,
883                             SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
884         SND_SOC_DAPM_SUPPLY("RST DAC",
885                             SUN8I_MOD_RST_CTL,
886                             SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
887
888         /* Module Supplies */
889         SND_SOC_DAPM_SUPPLY("ADC",
890                             SUN8I_ADC_DIG_CTRL,
891                             SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0),
892         SND_SOC_DAPM_SUPPLY("DAC",
893                             SUN8I_DAC_DIG_CTRL,
894                             SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0),
895
896         /* AIF "ADC" Outputs */
897         SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0,
898                                SUN8I_AIF1_ADCDAT_CTRL,
899                                SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0,
900                                sun8i_codec_aif_event,
901                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
902         SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1,
903                              SUN8I_AIF1_ADCDAT_CTRL,
904                              SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
905
906         SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0,
907                                SUN8I_AIF2_ADCDAT_CTRL,
908                                SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0,
909                                sun8i_codec_aif_event,
910                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
911         SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1,
912                              SUN8I_AIF2_ADCDAT_CTRL,
913                              SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
914
915         SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0,
916                                SND_SOC_NOPM, 0, 0,
917                                sun8i_codec_aif_event,
918                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
919
920         /* AIF "ADC" Mono/Stereo Muxes */
921         SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
922                          &sun8i_aif1_ad0_stereo_mux_control),
923         SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
924                          &sun8i_aif1_ad0_stereo_mux_control),
925
926         SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0,
927                          &sun8i_aif2_adc_stereo_mux_control),
928         SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0,
929                          &sun8i_aif2_adc_stereo_mux_control),
930
931         /* AIF "ADC" Output Muxes */
932         SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
933                          &sun8i_aif3_adc_mux_control),
934
935         /* AIF "ADC" Mixers */
936         SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0,
937                         sun8i_aif1_ad0_mixer_controls),
938         SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0,
939                         sun8i_aif1_ad0_mixer_controls),
940
941         SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0,
942                         sun8i_aif2_adc_mixer_controls),
943         SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0,
944                         sun8i_aif2_adc_mixer_controls),
945
946         /* AIF "DAC" Input Muxes */
947         SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
948                          &sun8i_aif2_dac_mux_control),
949         SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
950                          &sun8i_aif2_dac_mux_control),
951
952         /* AIF "DAC" Mono/Stereo Muxes */
953         SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0,
954                          &sun8i_aif1_da0_stereo_mux_control),
955         SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0,
956                          &sun8i_aif1_da0_stereo_mux_control),
957
958         SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0,
959                          &sun8i_aif2_dac_stereo_mux_control),
960         SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0,
961                          &sun8i_aif2_dac_stereo_mux_control),
962
963         /* AIF "DAC" Inputs */
964         SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0,
965                               SUN8I_AIF1_DACDAT_CTRL,
966                               SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0,
967                               sun8i_codec_aif_event,
968                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
969         SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1,
970                             SUN8I_AIF1_DACDAT_CTRL,
971                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
972
973         SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0,
974                               SUN8I_AIF2_DACDAT_CTRL,
975                               SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0,
976                               sun8i_codec_aif_event,
977                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
978         SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1,
979                             SUN8I_AIF2_DACDAT_CTRL,
980                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
981
982         SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0,
983                               SND_SOC_NOPM, 0, 0,
984                               sun8i_codec_aif_event,
985                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
986
987         /* ADC Inputs (connected to analog codec DAPM context) */
988         SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0),
989         SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
990
991         /* DAC Outputs (connected to analog codec DAPM context) */
992         SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
993         SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
994
995         /* DAC Mixers */
996         SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0,
997                         sun8i_dac_mixer_controls),
998         SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0,
999                         sun8i_dac_mixer_controls),
1000 };
1001
1002 static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
1003         /* Clock Routes */
1004         { "AIF1CLK", NULL, "mod" },
1005
1006         { "SYSCLK", NULL, "AIF1CLK" },
1007
1008         { "CLK AIF1", NULL, "AIF1CLK" },
1009         { "CLK AIF1", NULL, "SYSCLK" },
1010         { "RST AIF1", NULL, "CLK AIF1" },
1011         { "AIF1 AD0L", NULL, "RST AIF1" },
1012         { "AIF1 AD0R", NULL, "RST AIF1" },
1013         { "AIF1 DA0L", NULL, "RST AIF1" },
1014         { "AIF1 DA0R", NULL, "RST AIF1" },
1015
1016         { "CLK AIF2", NULL, "AIF2CLK" },
1017         { "CLK AIF2", NULL, "SYSCLK" },
1018         { "RST AIF2", NULL, "CLK AIF2" },
1019         { "AIF2 ADCL", NULL, "RST AIF2" },
1020         { "AIF2 ADCR", NULL, "RST AIF2" },
1021         { "AIF2 DACL", NULL, "RST AIF2" },
1022         { "AIF2 DACR", NULL, "RST AIF2" },
1023
1024         { "CLK AIF3", NULL, "AIF1CLK" },
1025         { "CLK AIF3", NULL, "SYSCLK" },
1026         { "RST AIF3", NULL, "CLK AIF3" },
1027         { "AIF3 ADC", NULL, "RST AIF3" },
1028         { "AIF3 DAC", NULL, "RST AIF3" },
1029
1030         { "CLK ADC", NULL, "SYSCLK" },
1031         { "RST ADC", NULL, "CLK ADC" },
1032         { "ADC", NULL, "RST ADC" },
1033         { "ADCL", NULL, "ADC" },
1034         { "ADCR", NULL, "ADC" },
1035
1036         { "CLK DAC", NULL, "SYSCLK" },
1037         { "RST DAC", NULL, "CLK DAC" },
1038         { "DAC", NULL, "RST DAC" },
1039         { "DACL", NULL, "DAC" },
1040         { "DACR", NULL, "DAC" },
1041
1042         /* AIF "ADC" Output Routes */
1043         { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" },
1044         { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" },
1045
1046         { "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" },
1047         { "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" },
1048
1049         { "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
1050
1051         /* AIF "ADC" Mono/Stereo Mux Routes */
1052         { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" },
1053         { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" },
1054         { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1055         { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1056         { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1057         { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1058
1059         { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" },
1060         { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" },
1061         { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1062         { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1063         { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1064         { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1065
1066         { "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" },
1067         { "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" },
1068         { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1069         { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1070         { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1071         { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1072
1073         { "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" },
1074         { "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" },
1075         { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1076         { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1077         { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1078         { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1079
1080         /* AIF "ADC" Output Mux Routes */
1081         { "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
1082         { "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
1083
1084         /* AIF "ADC" Mixer Routes */
1085         { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" },
1086         { "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
1087         { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" },
1088         { "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
1089
1090         { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" },
1091         { "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
1092         { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" },
1093         { "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
1094
1095         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" },
1096         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
1097         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" },
1098
1099         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" },
1100         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
1101         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" },
1102
1103         /* AIF "DAC" Input Mux Routes */
1104         { "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
1105         { "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
1106         { "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
1107
1108         { "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
1109         { "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
1110         { "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
1111
1112         /* AIF "DAC" Mono/Stereo Mux Routes */
1113         { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" },
1114         { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" },
1115         { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1116         { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1117         { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1118         { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1119
1120         { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" },
1121         { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" },
1122         { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1123         { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1124         { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1125         { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1126
1127         { "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" },
1128         { "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" },
1129         { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" },
1130         { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" },
1131         { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" },
1132         { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" },
1133
1134         { "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" },
1135         { "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" },
1136         { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" },
1137         { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" },
1138         { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" },
1139         { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" },
1140
1141         /* DAC Output Routes */
1142         { "DACL", NULL, "DACL Mixer" },
1143         { "DACR", NULL, "DACR Mixer" },
1144
1145         /* DAC Mixer Routes */
1146         { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" },
1147         { "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
1148         { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" },
1149
1150         { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" },
1151         { "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
1152         { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" },
1153 };
1154
1155 static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = {
1156         /* Legacy ADC Inputs (connected to analog codec DAPM context) */
1157         SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0),
1158         SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0),
1159
1160         /* Legacy DAC Outputs (connected to analog codec DAPM context) */
1161         SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0),
1162         SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0),
1163 };
1164
1165 static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = {
1166         /* Legacy ADC Routes */
1167         { "ADCL", NULL, "AIF1 Slot 0 Left ADC" },
1168         { "ADCR", NULL, "AIF1 Slot 0 Right ADC" },
1169
1170         /* Legacy DAC Routes */
1171         { "AIF1 Slot 0 Left", NULL, "DACL" },
1172         { "AIF1 Slot 0 Right", NULL, "DACR" },
1173 };
1174
1175 static int sun8i_codec_component_probe(struct snd_soc_component *component)
1176 {
1177         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1178         struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1179         int ret;
1180
1181         /* Add widgets for backward compatibility with old device trees. */
1182         if (scodec->quirks->legacy_widgets) {
1183                 ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets,
1184                                                 ARRAY_SIZE(sun8i_codec_legacy_widgets));
1185                 if (ret)
1186                         return ret;
1187
1188                 ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes,
1189                                               ARRAY_SIZE(sun8i_codec_legacy_routes));
1190                 if (ret)
1191                         return ret;
1192         }
1193
1194         /*
1195          * AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod")
1196          * and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also
1197          * PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO
1198          * directly to simplify the clock tree.
1199          */
1200         regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1201                            SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK |
1202                            SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
1203                            SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL |
1204                            SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
1205
1206         /* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */
1207         regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1208                            BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
1209                            SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK);
1210
1211         /* Program the default sample rate. */
1212         sun8i_codec_update_sample_rate(scodec);
1213
1214         return 0;
1215 }
1216
1217 static const struct snd_soc_component_driver sun8i_soc_component = {
1218         .dapm_widgets           = sun8i_codec_dapm_widgets,
1219         .num_dapm_widgets       = ARRAY_SIZE(sun8i_codec_dapm_widgets),
1220         .dapm_routes            = sun8i_codec_dapm_routes,
1221         .num_dapm_routes        = ARRAY_SIZE(sun8i_codec_dapm_routes),
1222         .probe                  = sun8i_codec_component_probe,
1223         .idle_bias_on           = 1,
1224         .endianness             = 1,
1225         .non_legacy_dai_naming  = 1,
1226 };
1227
1228 static const struct regmap_config sun8i_codec_regmap_config = {
1229         .reg_bits       = 32,
1230         .reg_stride     = 4,
1231         .val_bits       = 32,
1232         .max_register   = SUN8I_DAC_MXR_SRC,
1233
1234         .cache_type     = REGCACHE_FLAT,
1235 };
1236
1237 static int sun8i_codec_probe(struct platform_device *pdev)
1238 {
1239         struct sun8i_codec *scodec;
1240         void __iomem *base;
1241         int ret;
1242
1243         scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1244         if (!scodec)
1245                 return -ENOMEM;
1246
1247         scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
1248         if (IS_ERR(scodec->clk_module)) {
1249                 dev_err(&pdev->dev, "Failed to get the module clock\n");
1250                 return PTR_ERR(scodec->clk_module);
1251         }
1252
1253         base = devm_platform_ioremap_resource(pdev, 0);
1254         if (IS_ERR(base)) {
1255                 dev_err(&pdev->dev, "Failed to map the registers\n");
1256                 return PTR_ERR(base);
1257         }
1258
1259         scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,
1260                                                    &sun8i_codec_regmap_config);
1261         if (IS_ERR(scodec->regmap)) {
1262                 dev_err(&pdev->dev, "Failed to create our regmap\n");
1263                 return PTR_ERR(scodec->regmap);
1264         }
1265
1266         scodec->quirks = of_device_get_match_data(&pdev->dev);
1267
1268         platform_set_drvdata(pdev, scodec);
1269
1270         pm_runtime_enable(&pdev->dev);
1271         if (!pm_runtime_enabled(&pdev->dev)) {
1272                 ret = sun8i_codec_runtime_resume(&pdev->dev);
1273                 if (ret)
1274                         goto err_pm_disable;
1275         }
1276
1277         ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
1278                                               sun8i_codec_dais,
1279                                               ARRAY_SIZE(sun8i_codec_dais));
1280         if (ret) {
1281                 dev_err(&pdev->dev, "Failed to register codec\n");
1282                 goto err_suspend;
1283         }
1284
1285         return ret;
1286
1287 err_suspend:
1288         if (!pm_runtime_status_suspended(&pdev->dev))
1289                 sun8i_codec_runtime_suspend(&pdev->dev);
1290
1291 err_pm_disable:
1292         pm_runtime_disable(&pdev->dev);
1293
1294         return ret;
1295 }
1296
1297 static int sun8i_codec_remove(struct platform_device *pdev)
1298 {
1299         pm_runtime_disable(&pdev->dev);
1300         if (!pm_runtime_status_suspended(&pdev->dev))
1301                 sun8i_codec_runtime_suspend(&pdev->dev);
1302
1303         return 0;
1304 }
1305
1306 static const struct sun8i_codec_quirks sun8i_a33_quirks = {
1307         .legacy_widgets = true,
1308         .lrck_inversion = true,
1309 };
1310
1311 static const struct sun8i_codec_quirks sun50i_a64_quirks = {
1312 };
1313
1314 static const struct of_device_id sun8i_codec_of_match[] = {
1315         { .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
1316         { .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
1317         {}
1318 };
1319 MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
1320
1321 static const struct dev_pm_ops sun8i_codec_pm_ops = {
1322         SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
1323                            sun8i_codec_runtime_resume, NULL)
1324 };
1325
1326 static struct platform_driver sun8i_codec_driver = {
1327         .driver = {
1328                 .name = "sun8i-codec",
1329                 .of_match_table = sun8i_codec_of_match,
1330                 .pm = &sun8i_codec_pm_ops,
1331         },
1332         .probe = sun8i_codec_probe,
1333         .remove = sun8i_codec_remove,
1334 };
1335 module_platform_driver(sun8i_codec_driver);
1336
1337 MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
1338 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
1339 MODULE_LICENSE("GPL");
1340 MODULE_ALIAS("platform:sun8i-codec");