Linux 6.7-rc7
[linux-modified.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.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 #include <sound/tlv.h>
25
26 #define SUN8I_SYSCLK_CTL                                0x00c
27 #define SUN8I_SYSCLK_CTL_AIF1CLK_ENA                    11
28 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL                (0x2 << 8)
29 #define SUN8I_SYSCLK_CTL_AIF2CLK_ENA                    7
30 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL                (0x2 << 4)
31 #define SUN8I_SYSCLK_CTL_SYSCLK_ENA                     3
32 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC                     0
33 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK             (0x0 << 0)
34 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK             (0x1 << 0)
35 #define SUN8I_MOD_CLK_ENA                               0x010
36 #define SUN8I_MOD_CLK_ENA_AIF1                          15
37 #define SUN8I_MOD_CLK_ENA_AIF2                          14
38 #define SUN8I_MOD_CLK_ENA_AIF3                          13
39 #define SUN8I_MOD_CLK_ENA_ADC                           3
40 #define SUN8I_MOD_CLK_ENA_DAC                           2
41 #define SUN8I_MOD_RST_CTL                               0x014
42 #define SUN8I_MOD_RST_CTL_AIF1                          15
43 #define SUN8I_MOD_RST_CTL_AIF2                          14
44 #define SUN8I_MOD_RST_CTL_AIF3                          13
45 #define SUN8I_MOD_RST_CTL_ADC                           3
46 #define SUN8I_MOD_RST_CTL_DAC                           2
47 #define SUN8I_SYS_SR_CTRL                               0x018
48 #define SUN8I_SYS_SR_CTRL_AIF1_FS                       12
49 #define SUN8I_SYS_SR_CTRL_AIF2_FS                       8
50 #define SUN8I_AIF_CLK_CTRL(n)                           (0x040 * (1 + (n)))
51 #define SUN8I_AIF_CLK_CTRL_MSTR_MOD                     15
52 #define SUN8I_AIF_CLK_CTRL_CLK_INV                      13
53 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV                     9
54 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV                     6
55 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ                     4
56 #define SUN8I_AIF_CLK_CTRL_DATA_FMT                     2
57 #define SUN8I_AIF1_ADCDAT_CTRL                          0x044
58 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA            15
59 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA            14
60 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC            10
61 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC            8
62 #define SUN8I_AIF1_DACDAT_CTRL                          0x048
63 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA            15
64 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA            14
65 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC            10
66 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC            8
67 #define SUN8I_AIF1_MXR_SRC                              0x04c
68 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L        15
69 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL        14
70 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL            13
71 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR        12
72 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R        11
73 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR        10
74 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR            9
75 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL        8
76 #define SUN8I_AIF1_VOL_CTRL1                            0x050
77 #define SUN8I_AIF1_VOL_CTRL1_AD0L_VOL                   8
78 #define SUN8I_AIF1_VOL_CTRL1_AD0R_VOL                   0
79 #define SUN8I_AIF1_VOL_CTRL3                            0x058
80 #define SUN8I_AIF1_VOL_CTRL3_DA0L_VOL                   8
81 #define SUN8I_AIF1_VOL_CTRL3_DA0R_VOL                   0
82 #define SUN8I_AIF2_ADCDAT_CTRL                          0x084
83 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA            15
84 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA            14
85 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC            10
86 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC            8
87 #define SUN8I_AIF2_DACDAT_CTRL                          0x088
88 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA            15
89 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA            14
90 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC            10
91 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC            8
92 #define SUN8I_AIF2_MXR_SRC                              0x08c
93 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L        15
94 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L        14
95 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR        13
96 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL            12
97 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R        11
98 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R        10
99 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL        9
100 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR            8
101 #define SUN8I_AIF2_VOL_CTRL1                            0x090
102 #define SUN8I_AIF2_VOL_CTRL1_ADCL_VOL                   8
103 #define SUN8I_AIF2_VOL_CTRL1_ADCR_VOL                   0
104 #define SUN8I_AIF2_VOL_CTRL2                            0x098
105 #define SUN8I_AIF2_VOL_CTRL2_DACL_VOL                   8
106 #define SUN8I_AIF2_VOL_CTRL2_DACR_VOL                   0
107 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1           (0x0 << 0)
108 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2           (0x1 << 0)
109 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK        (0x2 << 0)
110 #define SUN8I_AIF3_PATH_CTRL                            0x0cc
111 #define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC               10
112 #define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC               8
113 #define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI              7
114 #define SUN8I_ADC_DIG_CTRL                              0x100
115 #define SUN8I_ADC_DIG_CTRL_ENAD                         15
116 #define SUN8I_ADC_DIG_CTRL_ADOUT_DTS                    2
117 #define SUN8I_ADC_DIG_CTRL_ADOUT_DLY                    1
118 #define SUN8I_ADC_VOL_CTRL                              0x104
119 #define SUN8I_ADC_VOL_CTRL_ADCL_VOL                     8
120 #define SUN8I_ADC_VOL_CTRL_ADCR_VOL                     0
121 #define SUN8I_DAC_DIG_CTRL                              0x120
122 #define SUN8I_DAC_DIG_CTRL_ENDA                         15
123 #define SUN8I_DAC_VOL_CTRL                              0x124
124 #define SUN8I_DAC_VOL_CTRL_DACL_VOL                     8
125 #define SUN8I_DAC_VOL_CTRL_DACR_VOL                     0
126 #define SUN8I_DAC_MXR_SRC                               0x130
127 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L         15
128 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L         14
129 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL         13
130 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL             12
131 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R         11
132 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R         10
133 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR         9
134 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR             8
135
136 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK       GENMASK(9, 8)
137 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK       GENMASK(5, 4)
138 #define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK          GENMASK(15, 12)
139 #define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK          GENMASK(11, 8)
140 #define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK         GENMASK(14, 13)
141 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK        GENMASK(12, 9)
142 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK        GENMASK(8, 6)
143 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK        GENMASK(5, 4)
144 #define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK        GENMASK(3, 2)
145 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK   GENMASK(1, 0)
146
147 #define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000
148
149 #define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8     |\
150                                  SNDRV_PCM_FMTBIT_S16_LE |\
151                                  SNDRV_PCM_FMTBIT_S20_LE |\
152                                  SNDRV_PCM_FMTBIT_S24_LE |\
153                                  SNDRV_PCM_FMTBIT_S20_3LE|\
154                                  SNDRV_PCM_FMTBIT_S24_3LE)
155
156 #define SUN8I_CODEC_PCM_RATES   (SNDRV_PCM_RATE_8000_48000|\
157                                  SNDRV_PCM_RATE_88200     |\
158                                  SNDRV_PCM_RATE_96000     |\
159                                  SNDRV_PCM_RATE_176400    |\
160                                  SNDRV_PCM_RATE_192000    |\
161                                  SNDRV_PCM_RATE_KNOT)
162
163 enum {
164         SUN8I_CODEC_AIF1,
165         SUN8I_CODEC_AIF2,
166         SUN8I_CODEC_AIF3,
167         SUN8I_CODEC_NAIFS
168 };
169
170 struct sun8i_codec_aif {
171         unsigned int    lrck_div_order;
172         unsigned int    sample_rate;
173         unsigned int    slots;
174         unsigned int    slot_width;
175         unsigned int    active_streams  : 2;
176         unsigned int    open_streams    : 2;
177 };
178
179 struct sun8i_codec_quirks {
180         bool legacy_widgets     : 1;
181         bool lrck_inversion     : 1;
182 };
183
184 struct sun8i_codec {
185         struct regmap                   *regmap;
186         struct clk                      *clk_module;
187         const struct sun8i_codec_quirks *quirks;
188         struct sun8i_codec_aif          aifs[SUN8I_CODEC_NAIFS];
189         unsigned int                    sysclk_rate;
190         int                             sysclk_refcnt;
191 };
192
193 static struct snd_soc_dai_driver sun8i_codec_dais[];
194
195 static int sun8i_codec_runtime_resume(struct device *dev)
196 {
197         struct sun8i_codec *scodec = dev_get_drvdata(dev);
198         int ret;
199
200         regcache_cache_only(scodec->regmap, false);
201
202         ret = regcache_sync(scodec->regmap);
203         if (ret) {
204                 dev_err(dev, "Failed to sync regmap cache\n");
205                 return ret;
206         }
207
208         return 0;
209 }
210
211 static int sun8i_codec_runtime_suspend(struct device *dev)
212 {
213         struct sun8i_codec *scodec = dev_get_drvdata(dev);
214
215         regcache_cache_only(scodec->regmap, true);
216         regcache_mark_dirty(scodec->regmap);
217
218         return 0;
219 }
220
221 static int sun8i_codec_get_hw_rate(unsigned int sample_rate)
222 {
223         switch (sample_rate) {
224         case 7350:
225         case 8000:
226                 return 0x0;
227         case 11025:
228                 return 0x1;
229         case 12000:
230                 return 0x2;
231         case 14700:
232         case 16000:
233                 return 0x3;
234         case 22050:
235                 return 0x4;
236         case 24000:
237                 return 0x5;
238         case 29400:
239         case 32000:
240                 return 0x6;
241         case 44100:
242                 return 0x7;
243         case 48000:
244                 return 0x8;
245         case 88200:
246         case 96000:
247                 return 0x9;
248         case 176400:
249         case 192000:
250                 return 0xa;
251         default:
252                 return -EINVAL;
253         }
254 }
255
256 static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec)
257 {
258         unsigned int max_rate = 0;
259         int hw_rate, i;
260
261         for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) {
262                 struct sun8i_codec_aif *aif = &scodec->aifs[i];
263
264                 if (aif->active_streams)
265                         max_rate = max(max_rate, aif->sample_rate);
266         }
267
268         /* Set the sample rate for ADC->DAC passthrough when no AIF is active. */
269         if (!max_rate)
270                 max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE;
271
272         hw_rate = sun8i_codec_get_hw_rate(max_rate);
273         if (hw_rate < 0)
274                 return hw_rate;
275
276         regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
277                            SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
278                            hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
279
280         return 0;
281 }
282
283 static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
284 {
285         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
286         u32 dsp_format, format, invert, value;
287
288         /* clock masters */
289         switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
290         case SND_SOC_DAIFMT_CBC_CFC: /* Codec slave, DAI master */
291                 value = 0x1;
292                 break;
293         case SND_SOC_DAIFMT_CBP_CFP: /* Codec Master, DAI slave */
294                 value = 0x0;
295                 break;
296         default:
297                 return -EINVAL;
298         }
299
300         if (dai->id == SUN8I_CODEC_AIF3) {
301                 /* AIF3 only supports master mode. */
302                 if (value)
303                         return -EINVAL;
304
305                 /* Use the AIF2 BCLK and LRCK for AIF3. */
306                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
307                                    SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK,
308                                    SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2);
309         } else {
310                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
311                                    BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD),
312                                    value << SUN8I_AIF_CLK_CTRL_MSTR_MOD);
313         }
314
315         /* DAI format */
316         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
317         case SND_SOC_DAIFMT_I2S:
318                 format = 0x0;
319                 break;
320         case SND_SOC_DAIFMT_LEFT_J:
321                 format = 0x1;
322                 break;
323         case SND_SOC_DAIFMT_RIGHT_J:
324                 format = 0x2;
325                 break;
326         case SND_SOC_DAIFMT_DSP_A:
327                 format = 0x3;
328                 dsp_format = 0x0; /* Set LRCK_INV to 0 */
329                 break;
330         case SND_SOC_DAIFMT_DSP_B:
331                 format = 0x3;
332                 dsp_format = 0x1; /* Set LRCK_INV to 1 */
333                 break;
334         default:
335                 return -EINVAL;
336         }
337
338         if (dai->id == SUN8I_CODEC_AIF3) {
339                 /* AIF3 only supports DSP mode. */
340                 if (format != 3)
341                         return -EINVAL;
342         } else {
343                 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
344                                    SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK,
345                                    format << SUN8I_AIF_CLK_CTRL_DATA_FMT);
346         }
347
348         /* clock inversion */
349         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
350         case SND_SOC_DAIFMT_NB_NF: /* Normal */
351                 invert = 0x0;
352                 break;
353         case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */
354                 invert = 0x1;
355                 break;
356         case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */
357                 invert = 0x2;
358                 break;
359         case SND_SOC_DAIFMT_IB_IF: /* Both inverted */
360                 invert = 0x3;
361                 break;
362         default:
363                 return -EINVAL;
364         }
365
366         if (format == 0x3) {
367                 /* Inverted LRCK is not available in DSP mode. */
368                 if (invert & BIT(0))
369                         return -EINVAL;
370
371                 /* Instead, the bit selects between DSP A/B formats. */
372                 invert |= dsp_format;
373         } else {
374                 /*
375                  * It appears that the DAI and the codec in the A33 SoC don't
376                  * share the same polarity for the LRCK signal when they mean
377                  * 'normal' and 'inverted' in the datasheet.
378                  *
379                  * Since the DAI here is our regular i2s driver that have been
380                  * tested with way more codecs than just this one, it means
381                  * that the codec probably gets it backward, and we have to
382                  * invert the value here.
383                  */
384                 invert ^= scodec->quirks->lrck_inversion;
385         }
386
387         regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
388                            SUN8I_AIF_CLK_CTRL_CLK_INV_MASK,
389                            invert << SUN8I_AIF_CLK_CTRL_CLK_INV);
390
391         return 0;
392 }
393
394 static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai,
395                                     unsigned int tx_mask, unsigned int rx_mask,
396                                     int slots, int slot_width)
397 {
398         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
399         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
400
401         if (slot_width && !is_power_of_2(slot_width))
402                 return -EINVAL;
403
404         aif->slots = slots;
405         aif->slot_width = slot_width;
406
407         return 0;
408 }
409
410 static const unsigned int sun8i_codec_rates[] = {
411           7350,   8000,  11025,  12000,  14700,  16000,  22050,  24000,
412          29400,  32000,  44100,  48000,  88200,  96000, 176400, 192000,
413 };
414
415 static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = {
416         .list   = sun8i_codec_rates,
417         .count  = ARRAY_SIZE(sun8i_codec_rates),
418 };
419
420 static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = {
421         .list   = sun8i_codec_rates,
422         .count  = ARRAY_SIZE(sun8i_codec_rates),
423         .mask   = 0x5555,
424 };
425
426 static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = {
427         .list   = sun8i_codec_rates,
428         .count  = ARRAY_SIZE(sun8i_codec_rates),
429         .mask   = 0xaaaa,
430 };
431
432 static int sun8i_codec_startup(struct snd_pcm_substream *substream,
433                                struct snd_soc_dai *dai)
434 {
435         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
436         const struct snd_pcm_hw_constraint_list *list;
437
438         /* hw_constraints is not relevant for codec2codec DAIs. */
439         if (dai->id != SUN8I_CODEC_AIF1)
440                 return 0;
441
442         if (!scodec->sysclk_refcnt)
443                 list = &sun8i_codec_all_rates;
444         else if (scodec->sysclk_rate == 22579200)
445                 list = &sun8i_codec_22M_rates;
446         else if (scodec->sysclk_rate == 24576000)
447                 list = &sun8i_codec_24M_rates;
448         else
449                 return -EINVAL;
450
451         return snd_pcm_hw_constraint_list(substream->runtime, 0,
452                                           SNDRV_PCM_HW_PARAM_RATE, list);
453 }
454
455 struct sun8i_codec_clk_div {
456         u8      div;
457         u8      val;
458 };
459
460 static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
461         { .div = 1,     .val = 0 },
462         { .div = 2,     .val = 1 },
463         { .div = 4,     .val = 2 },
464         { .div = 6,     .val = 3 },
465         { .div = 8,     .val = 4 },
466         { .div = 12,    .val = 5 },
467         { .div = 16,    .val = 6 },
468         { .div = 24,    .val = 7 },
469         { .div = 32,    .val = 8 },
470         { .div = 48,    .val = 9 },
471         { .div = 64,    .val = 10 },
472         { .div = 96,    .val = 11 },
473         { .div = 128,   .val = 12 },
474         { .div = 192,   .val = 13 },
475 };
476
477 static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate,
478                                     unsigned int lrck_div_order,
479                                     unsigned int sample_rate)
480 {
481         unsigned int div = sysclk_rate / sample_rate >> lrck_div_order;
482         int i;
483
484         for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
485                 const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
486
487                 if (bdiv->div == div)
488                         return bdiv->val;
489         }
490
491         return -EINVAL;
492 }
493
494 static int sun8i_codec_get_lrck_div_order(unsigned int slots,
495                                           unsigned int slot_width)
496 {
497         unsigned int div = slots * slot_width;
498
499         if (div < 16 || div > 256)
500                 return -EINVAL;
501
502         return order_base_2(div);
503 }
504
505 static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
506 {
507         return (sample_rate % 4000) ? 22579200 : 24576000;
508 }
509
510 static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
511                                  struct snd_pcm_hw_params *params,
512                                  struct snd_soc_dai *dai)
513 {
514         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
515         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
516         unsigned int sample_rate = params_rate(params);
517         unsigned int slots = aif->slots ?: params_channels(params);
518         unsigned int slot_width = aif->slot_width ?: params_width(params);
519         unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate);
520         int bclk_div, lrck_div_order, ret, word_size;
521         u32 clk_reg;
522
523         /* word size */
524         switch (params_width(params)) {
525         case 8:
526                 word_size = 0x0;
527                 break;
528         case 16:
529                 word_size = 0x1;
530                 break;
531         case 20:
532                 word_size = 0x2;
533                 break;
534         case 24:
535                 word_size = 0x3;
536                 break;
537         default:
538                 return -EINVAL;
539         }
540
541         regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
542                            SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK,
543                            word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ);
544
545         /* LRCK divider (BCLK/LRCK ratio) */
546         lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width);
547         if (lrck_div_order < 0)
548                 return lrck_div_order;
549
550         if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {
551                 /* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */
552                 int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;
553                 const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];
554                 const char *partner_name = sun8i_codec_dais[partner].name;
555
556                 if (partner_aif->open_streams &&
557                     (lrck_div_order != partner_aif->lrck_div_order ||
558                      sample_rate != partner_aif->sample_rate)) {
559                         dev_err(dai->dev,
560                                 "%s sample and bit rates must match %s when both are used\n",
561                                 dai->name, partner_name);
562                         return -EBUSY;
563                 }
564
565                 clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2);
566         } else {
567                 clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);
568         }
569
570         regmap_update_bits(scodec->regmap, clk_reg,
571                            SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK,
572                            (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);
573
574         /* BCLK divider (SYSCLK/BCLK ratio) */
575         bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate);
576         if (bclk_div < 0)
577                 return bclk_div;
578
579         regmap_update_bits(scodec->regmap, clk_reg,
580                            SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK,
581                            bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV);
582
583         /*
584          * SYSCLK rate
585          *
586          * Clock rate protection is reference counted; but hw_params may be
587          * called many times per substream, without matching calls to hw_free.
588          * Protect the clock rate once per AIF, on the first hw_params call
589          * for the first substream. clk_set_rate() will allow clock rate
590          * changes on subsequent calls if only one AIF has open streams.
591          */
592         ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,
593                                                                           sysclk_rate);
594         if (ret == -EBUSY)
595                 dev_err(dai->dev,
596                         "%s sample rate (%u Hz) conflicts with other audio streams\n",
597                         dai->name, sample_rate);
598         if (ret < 0)
599                 return ret;
600
601         if (!aif->open_streams)
602                 scodec->sysclk_refcnt++;
603         scodec->sysclk_rate = sysclk_rate;
604
605         aif->lrck_div_order = lrck_div_order;
606         aif->sample_rate = sample_rate;
607         aif->open_streams |= BIT(substream->stream);
608
609         return sun8i_codec_update_sample_rate(scodec);
610 }
611
612 static int sun8i_codec_hw_free(struct snd_pcm_substream *substream,
613                                struct snd_soc_dai *dai)
614 {
615         struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
616         struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
617
618         /* Drop references when the last substream for the AIF is freed. */
619         if (aif->open_streams != BIT(substream->stream))
620                 goto done;
621
622         clk_rate_exclusive_put(scodec->clk_module);
623         scodec->sysclk_refcnt--;
624         aif->lrck_div_order = 0;
625         aif->sample_rate = 0;
626
627 done:
628         aif->open_streams &= ~BIT(substream->stream);
629         return 0;
630 }
631
632 static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
633         .set_fmt        = sun8i_codec_set_fmt,
634         .set_tdm_slot   = sun8i_codec_set_tdm_slot,
635         .startup        = sun8i_codec_startup,
636         .hw_params      = sun8i_codec_hw_params,
637         .hw_free        = sun8i_codec_hw_free,
638 };
639
640 static struct snd_soc_dai_driver sun8i_codec_dais[] = {
641         {
642                 .name   = "sun8i-codec-aif1",
643                 .id     = SUN8I_CODEC_AIF1,
644                 .ops    = &sun8i_codec_dai_ops,
645                 /* capture capabilities */
646                 .capture = {
647                         .stream_name    = "AIF1 Capture",
648                         .channels_min   = 1,
649                         .channels_max   = 2,
650                         .rates          = SUN8I_CODEC_PCM_RATES,
651                         .formats        = SUN8I_CODEC_PCM_FORMATS,
652                         .sig_bits       = 24,
653                 },
654                 /* playback capabilities */
655                 .playback = {
656                         .stream_name    = "AIF1 Playback",
657                         .channels_min   = 1,
658                         .channels_max   = 2,
659                         .rates          = SUN8I_CODEC_PCM_RATES,
660                         .formats        = SUN8I_CODEC_PCM_FORMATS,
661                 },
662                 .symmetric_rate         = true,
663                 .symmetric_channels     = true,
664                 .symmetric_sample_bits  = true,
665         },
666         {
667                 .name   = "sun8i-codec-aif2",
668                 .id     = SUN8I_CODEC_AIF2,
669                 .ops    = &sun8i_codec_dai_ops,
670                 /* capture capabilities */
671                 .capture = {
672                         .stream_name    = "AIF2 Capture",
673                         .channels_min   = 1,
674                         .channels_max   = 2,
675                         .rates          = SUN8I_CODEC_PCM_RATES,
676                         .formats        = SUN8I_CODEC_PCM_FORMATS,
677                         .sig_bits       = 24,
678                 },
679                 /* playback capabilities */
680                 .playback = {
681                         .stream_name    = "AIF2 Playback",
682                         .channels_min   = 1,
683                         .channels_max   = 2,
684                         .rates          = SUN8I_CODEC_PCM_RATES,
685                         .formats        = SUN8I_CODEC_PCM_FORMATS,
686                 },
687                 .symmetric_rate         = true,
688                 .symmetric_channels     = true,
689                 .symmetric_sample_bits  = true,
690         },
691         {
692                 .name   = "sun8i-codec-aif3",
693                 .id     = SUN8I_CODEC_AIF3,
694                 .ops    = &sun8i_codec_dai_ops,
695                 /* capture capabilities */
696                 .capture = {
697                         .stream_name    = "AIF3 Capture",
698                         .channels_min   = 1,
699                         .channels_max   = 1,
700                         .rates          = SUN8I_CODEC_PCM_RATES,
701                         .formats        = SUN8I_CODEC_PCM_FORMATS,
702                         .sig_bits       = 24,
703                 },
704                 /* playback capabilities */
705                 .playback = {
706                         .stream_name    = "AIF3 Playback",
707                         .channels_min   = 1,
708                         .channels_max   = 1,
709                         .rates          = SUN8I_CODEC_PCM_RATES,
710                         .formats        = SUN8I_CODEC_PCM_FORMATS,
711                 },
712                 .symmetric_rate         = true,
713                 .symmetric_channels     = true,
714                 .symmetric_sample_bits  = true,
715         },
716 };
717
718 static const DECLARE_TLV_DB_SCALE(sun8i_codec_vol_scale, -12000, 75, 1);
719
720 static const struct snd_kcontrol_new sun8i_codec_controls[] = {
721         SOC_DOUBLE_TLV("AIF1 AD0 Capture Volume",
722                        SUN8I_AIF1_VOL_CTRL1,
723                        SUN8I_AIF1_VOL_CTRL1_AD0L_VOL,
724                        SUN8I_AIF1_VOL_CTRL1_AD0R_VOL,
725                        0xc0, 0, sun8i_codec_vol_scale),
726         SOC_DOUBLE_TLV("AIF1 DA0 Playback Volume",
727                        SUN8I_AIF1_VOL_CTRL3,
728                        SUN8I_AIF1_VOL_CTRL3_DA0L_VOL,
729                        SUN8I_AIF1_VOL_CTRL3_DA0R_VOL,
730                        0xc0, 0, sun8i_codec_vol_scale),
731         SOC_DOUBLE_TLV("AIF2 ADC Capture Volume",
732                        SUN8I_AIF2_VOL_CTRL1,
733                        SUN8I_AIF2_VOL_CTRL1_ADCL_VOL,
734                        SUN8I_AIF2_VOL_CTRL1_ADCR_VOL,
735                        0xc0, 0, sun8i_codec_vol_scale),
736         SOC_DOUBLE_TLV("AIF2 DAC Playback Volume",
737                        SUN8I_AIF2_VOL_CTRL2,
738                        SUN8I_AIF2_VOL_CTRL2_DACL_VOL,
739                        SUN8I_AIF2_VOL_CTRL2_DACR_VOL,
740                        0xc0, 0, sun8i_codec_vol_scale),
741         SOC_DOUBLE_TLV("ADC Capture Volume",
742                        SUN8I_ADC_VOL_CTRL,
743                        SUN8I_ADC_VOL_CTRL_ADCL_VOL,
744                        SUN8I_ADC_VOL_CTRL_ADCR_VOL,
745                        0xc0, 0, sun8i_codec_vol_scale),
746         SOC_DOUBLE_TLV("DAC Playback Volume",
747                        SUN8I_DAC_VOL_CTRL,
748                        SUN8I_DAC_VOL_CTRL_DACL_VOL,
749                        SUN8I_DAC_VOL_CTRL_DACR_VOL,
750                        0xc0, 0, sun8i_codec_vol_scale),
751 };
752
753 static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w,
754                                  struct snd_kcontrol *kcontrol, int event)
755 {
756         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
757         struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
758         struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];
759         int stream = w->id == snd_soc_dapm_aif_out;
760
761         if (SND_SOC_DAPM_EVENT_ON(event))
762                 aif->active_streams |= BIT(stream);
763         else
764                 aif->active_streams &= ~BIT(stream);
765
766         return sun8i_codec_update_sample_rate(scodec);
767 }
768
769 static const char *const sun8i_aif_stereo_mux_enum_values[] = {
770         "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
771 };
772
773 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum,
774                             SUN8I_AIF1_ADCDAT_CTRL,
775                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC,
776                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC,
777                             sun8i_aif_stereo_mux_enum_values);
778
779 static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control =
780         SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
781                       sun8i_aif1_ad0_stereo_mux_enum);
782
783 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum,
784                             SUN8I_AIF2_ADCDAT_CTRL,
785                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC,
786                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC,
787                             sun8i_aif_stereo_mux_enum_values);
788
789 static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control =
790         SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
791                       sun8i_aif2_adc_stereo_mux_enum);
792
793 static const char *const sun8i_aif3_adc_mux_enum_values[] = {
794         "None", "AIF2 ADCL", "AIF2 ADCR"
795 };
796
797 static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum,
798                             SUN8I_AIF3_PATH_CTRL,
799                             SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC,
800                             sun8i_aif3_adc_mux_enum_values);
801
802 static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control =
803         SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
804                       sun8i_aif3_adc_mux_enum);
805
806 static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
807         SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
808                         SUN8I_AIF1_MXR_SRC,
809                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L,
810                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
811         SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
812                         SUN8I_AIF1_MXR_SRC,
813                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL,
814                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
815         SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
816                         SUN8I_AIF1_MXR_SRC,
817                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL,
818                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
819         SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
820                         SUN8I_AIF1_MXR_SRC,
821                         SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR,
822                         SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
823 };
824
825 static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
826         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
827                         SUN8I_AIF2_MXR_SRC,
828                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
829                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
830         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
831                         SUN8I_AIF2_MXR_SRC,
832                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
833                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
834         SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
835                         SUN8I_AIF2_MXR_SRC,
836                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
837                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
838         SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
839                         SUN8I_AIF2_MXR_SRC,
840                         SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
841                         SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
842 };
843
844 static const char *const sun8i_aif2_dac_mux_enum_values[] = {
845         "AIF2", "AIF3+2", "AIF2+3"
846 };
847
848 static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum,
849                             SUN8I_AIF3_PATH_CTRL,
850                             SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC,
851                             sun8i_aif2_dac_mux_enum_values);
852
853 static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control =
854         SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
855                       sun8i_aif2_dac_mux_enum);
856
857 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum,
858                             SUN8I_AIF1_DACDAT_CTRL,
859                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC,
860                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC,
861                             sun8i_aif_stereo_mux_enum_values);
862
863 static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control =
864         SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
865                       sun8i_aif1_da0_stereo_mux_enum);
866
867 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum,
868                             SUN8I_AIF2_DACDAT_CTRL,
869                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC,
870                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC,
871                             sun8i_aif_stereo_mux_enum_values);
872
873 static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control =
874         SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
875                       sun8i_aif2_dac_stereo_mux_enum);
876
877 static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
878         SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
879                         SUN8I_DAC_MXR_SRC,
880                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
881                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
882         SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
883                         SUN8I_DAC_MXR_SRC,
884                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
885                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
886         SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
887                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
888                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
889         SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
890                         SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
891                         SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
892 };
893
894 static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
895         /* System Clocks */
896         SND_SOC_DAPM_CLOCK_SUPPLY("mod"),
897
898         SND_SOC_DAPM_SUPPLY("AIF1CLK",
899                             SUN8I_SYSCLK_CTL,
900                             SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
901         SND_SOC_DAPM_SUPPLY("AIF2CLK",
902                             SUN8I_SYSCLK_CTL,
903                             SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
904         SND_SOC_DAPM_SUPPLY("SYSCLK",
905                             SUN8I_SYSCLK_CTL,
906                             SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
907
908         /* Module Clocks */
909         SND_SOC_DAPM_SUPPLY("CLK AIF1",
910                             SUN8I_MOD_CLK_ENA,
911                             SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
912         SND_SOC_DAPM_SUPPLY("CLK AIF2",
913                             SUN8I_MOD_CLK_ENA,
914                             SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
915         SND_SOC_DAPM_SUPPLY("CLK AIF3",
916                             SUN8I_MOD_CLK_ENA,
917                             SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0),
918         SND_SOC_DAPM_SUPPLY("CLK ADC",
919                             SUN8I_MOD_CLK_ENA,
920                             SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
921         SND_SOC_DAPM_SUPPLY("CLK DAC",
922                             SUN8I_MOD_CLK_ENA,
923                             SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
924
925         /* Module Resets */
926         SND_SOC_DAPM_SUPPLY("RST AIF1",
927                             SUN8I_MOD_RST_CTL,
928                             SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
929         SND_SOC_DAPM_SUPPLY("RST AIF2",
930                             SUN8I_MOD_RST_CTL,
931                             SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
932         SND_SOC_DAPM_SUPPLY("RST AIF3",
933                             SUN8I_MOD_RST_CTL,
934                             SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0),
935         SND_SOC_DAPM_SUPPLY("RST ADC",
936                             SUN8I_MOD_RST_CTL,
937                             SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
938         SND_SOC_DAPM_SUPPLY("RST DAC",
939                             SUN8I_MOD_RST_CTL,
940                             SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
941
942         /* Module Supplies */
943         SND_SOC_DAPM_SUPPLY("ADC",
944                             SUN8I_ADC_DIG_CTRL,
945                             SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0),
946         SND_SOC_DAPM_SUPPLY("DAC",
947                             SUN8I_DAC_DIG_CTRL,
948                             SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0),
949
950         /* AIF "ADC" Outputs */
951         SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0,
952                                SUN8I_AIF1_ADCDAT_CTRL,
953                                SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0,
954                                sun8i_codec_aif_event,
955                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
956         SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1,
957                              SUN8I_AIF1_ADCDAT_CTRL,
958                              SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
959
960         SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0,
961                                SUN8I_AIF2_ADCDAT_CTRL,
962                                SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0,
963                                sun8i_codec_aif_event,
964                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
965         SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1,
966                              SUN8I_AIF2_ADCDAT_CTRL,
967                              SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
968
969         SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0,
970                                SND_SOC_NOPM, 0, 0,
971                                sun8i_codec_aif_event,
972                                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
973
974         /* AIF "ADC" Mono/Stereo Muxes */
975         SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
976                          &sun8i_aif1_ad0_stereo_mux_control),
977         SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
978                          &sun8i_aif1_ad0_stereo_mux_control),
979
980         SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0,
981                          &sun8i_aif2_adc_stereo_mux_control),
982         SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0,
983                          &sun8i_aif2_adc_stereo_mux_control),
984
985         /* AIF "ADC" Output Muxes */
986         SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
987                          &sun8i_aif3_adc_mux_control),
988
989         /* AIF "ADC" Mixers */
990         SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0,
991                         sun8i_aif1_ad0_mixer_controls),
992         SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0,
993                         sun8i_aif1_ad0_mixer_controls),
994
995         SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0,
996                         sun8i_aif2_adc_mixer_controls),
997         SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0,
998                         sun8i_aif2_adc_mixer_controls),
999
1000         /* AIF "DAC" Input Muxes */
1001         SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
1002                          &sun8i_aif2_dac_mux_control),
1003         SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
1004                          &sun8i_aif2_dac_mux_control),
1005
1006         /* AIF "DAC" Mono/Stereo Muxes */
1007         SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0,
1008                          &sun8i_aif1_da0_stereo_mux_control),
1009         SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0,
1010                          &sun8i_aif1_da0_stereo_mux_control),
1011
1012         SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0,
1013                          &sun8i_aif2_dac_stereo_mux_control),
1014         SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0,
1015                          &sun8i_aif2_dac_stereo_mux_control),
1016
1017         /* AIF "DAC" Inputs */
1018         SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0,
1019                               SUN8I_AIF1_DACDAT_CTRL,
1020                               SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0,
1021                               sun8i_codec_aif_event,
1022                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1023         SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1,
1024                             SUN8I_AIF1_DACDAT_CTRL,
1025                             SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
1026
1027         SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0,
1028                               SUN8I_AIF2_DACDAT_CTRL,
1029                               SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0,
1030                               sun8i_codec_aif_event,
1031                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1032         SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1,
1033                             SUN8I_AIF2_DACDAT_CTRL,
1034                             SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
1035
1036         SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0,
1037                               SND_SOC_NOPM, 0, 0,
1038                               sun8i_codec_aif_event,
1039                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1040
1041         /* ADC Inputs (connected to analog codec DAPM context) */
1042         SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0),
1043         SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1044
1045         /* DAC Outputs (connected to analog codec DAPM context) */
1046         SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
1047         SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
1048
1049         /* DAC Mixers */
1050         SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0,
1051                         sun8i_dac_mixer_controls),
1052         SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0,
1053                         sun8i_dac_mixer_controls),
1054 };
1055
1056 static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
1057         /* Clock Routes */
1058         { "AIF1CLK", NULL, "mod" },
1059
1060         { "SYSCLK", NULL, "AIF1CLK" },
1061
1062         { "CLK AIF1", NULL, "AIF1CLK" },
1063         { "CLK AIF1", NULL, "SYSCLK" },
1064         { "RST AIF1", NULL, "CLK AIF1" },
1065         { "AIF1 AD0L", NULL, "RST AIF1" },
1066         { "AIF1 AD0R", NULL, "RST AIF1" },
1067         { "AIF1 DA0L", NULL, "RST AIF1" },
1068         { "AIF1 DA0R", NULL, "RST AIF1" },
1069
1070         { "CLK AIF2", NULL, "AIF2CLK" },
1071         { "CLK AIF2", NULL, "SYSCLK" },
1072         { "RST AIF2", NULL, "CLK AIF2" },
1073         { "AIF2 ADCL", NULL, "RST AIF2" },
1074         { "AIF2 ADCR", NULL, "RST AIF2" },
1075         { "AIF2 DACL", NULL, "RST AIF2" },
1076         { "AIF2 DACR", NULL, "RST AIF2" },
1077
1078         { "CLK AIF3", NULL, "AIF1CLK" },
1079         { "CLK AIF3", NULL, "SYSCLK" },
1080         { "RST AIF3", NULL, "CLK AIF3" },
1081         { "AIF3 ADC", NULL, "RST AIF3" },
1082         { "AIF3 DAC", NULL, "RST AIF3" },
1083
1084         { "CLK ADC", NULL, "SYSCLK" },
1085         { "RST ADC", NULL, "CLK ADC" },
1086         { "ADC", NULL, "RST ADC" },
1087         { "ADCL", NULL, "ADC" },
1088         { "ADCR", NULL, "ADC" },
1089
1090         { "CLK DAC", NULL, "SYSCLK" },
1091         { "RST DAC", NULL, "CLK DAC" },
1092         { "DAC", NULL, "RST DAC" },
1093         { "DACL", NULL, "DAC" },
1094         { "DACR", NULL, "DAC" },
1095
1096         /* AIF "ADC" Output Routes */
1097         { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" },
1098         { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" },
1099
1100         { "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" },
1101         { "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" },
1102
1103         { "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
1104
1105         /* AIF "ADC" Mono/Stereo Mux Routes */
1106         { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" },
1107         { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" },
1108         { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1109         { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1110         { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1111         { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1112
1113         { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" },
1114         { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" },
1115         { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1116         { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1117         { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1118         { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1119
1120         { "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" },
1121         { "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" },
1122         { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1123         { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1124         { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1125         { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1126
1127         { "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" },
1128         { "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" },
1129         { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1130         { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1131         { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1132         { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1133
1134         /* AIF "ADC" Output Mux Routes */
1135         { "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
1136         { "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
1137
1138         /* AIF "ADC" Mixer Routes */
1139         { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" },
1140         { "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
1141         { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" },
1142         { "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
1143
1144         { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" },
1145         { "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
1146         { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" },
1147         { "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
1148
1149         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" },
1150         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
1151         { "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" },
1152
1153         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" },
1154         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
1155         { "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" },
1156
1157         /* AIF "DAC" Input Mux Routes */
1158         { "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
1159         { "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
1160         { "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
1161
1162         { "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
1163         { "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
1164         { "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
1165
1166         /* AIF "DAC" Mono/Stereo Mux Routes */
1167         { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" },
1168         { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" },
1169         { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1170         { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1171         { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1172         { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1173
1174         { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" },
1175         { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" },
1176         { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1177         { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1178         { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1179         { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1180
1181         { "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" },
1182         { "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" },
1183         { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" },
1184         { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" },
1185         { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" },
1186         { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" },
1187
1188         { "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" },
1189         { "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" },
1190         { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" },
1191         { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" },
1192         { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" },
1193         { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" },
1194
1195         /* DAC Output Routes */
1196         { "DACL", NULL, "DACL Mixer" },
1197         { "DACR", NULL, "DACR Mixer" },
1198
1199         /* DAC Mixer Routes */
1200         { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" },
1201         { "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
1202         { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" },
1203
1204         { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" },
1205         { "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
1206         { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" },
1207 };
1208
1209 static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = {
1210         /* Legacy ADC Inputs (connected to analog codec DAPM context) */
1211         SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0),
1212         SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0),
1213
1214         /* Legacy DAC Outputs (connected to analog codec DAPM context) */
1215         SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0),
1216         SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0),
1217 };
1218
1219 static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = {
1220         /* Legacy ADC Routes */
1221         { "ADCL", NULL, "AIF1 Slot 0 Left ADC" },
1222         { "ADCR", NULL, "AIF1 Slot 0 Right ADC" },
1223
1224         /* Legacy DAC Routes */
1225         { "AIF1 Slot 0 Left", NULL, "DACL" },
1226         { "AIF1 Slot 0 Right", NULL, "DACR" },
1227 };
1228
1229 static int sun8i_codec_component_probe(struct snd_soc_component *component)
1230 {
1231         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1232         struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1233         int ret;
1234
1235         /* Add widgets for backward compatibility with old device trees. */
1236         if (scodec->quirks->legacy_widgets) {
1237                 ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets,
1238                                                 ARRAY_SIZE(sun8i_codec_legacy_widgets));
1239                 if (ret)
1240                         return ret;
1241
1242                 ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes,
1243                                               ARRAY_SIZE(sun8i_codec_legacy_routes));
1244                 if (ret)
1245                         return ret;
1246         }
1247
1248         /*
1249          * AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod")
1250          * and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also
1251          * PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO
1252          * directly to simplify the clock tree.
1253          */
1254         regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1255                            SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK |
1256                            SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
1257                            SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL |
1258                            SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
1259
1260         /* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */
1261         regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1262                            BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
1263                            SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK);
1264
1265         /* Program the default sample rate. */
1266         sun8i_codec_update_sample_rate(scodec);
1267
1268         return 0;
1269 }
1270
1271 static const struct snd_soc_component_driver sun8i_soc_component = {
1272         .controls               = sun8i_codec_controls,
1273         .num_controls           = ARRAY_SIZE(sun8i_codec_controls),
1274         .dapm_widgets           = sun8i_codec_dapm_widgets,
1275         .num_dapm_widgets       = ARRAY_SIZE(sun8i_codec_dapm_widgets),
1276         .dapm_routes            = sun8i_codec_dapm_routes,
1277         .num_dapm_routes        = ARRAY_SIZE(sun8i_codec_dapm_routes),
1278         .probe                  = sun8i_codec_component_probe,
1279         .idle_bias_on           = 1,
1280         .endianness             = 1,
1281 };
1282
1283 static const struct regmap_config sun8i_codec_regmap_config = {
1284         .reg_bits       = 32,
1285         .reg_stride     = 4,
1286         .val_bits       = 32,
1287         .max_register   = SUN8I_DAC_MXR_SRC,
1288
1289         .cache_type     = REGCACHE_FLAT,
1290 };
1291
1292 static int sun8i_codec_probe(struct platform_device *pdev)
1293 {
1294         struct sun8i_codec *scodec;
1295         void __iomem *base;
1296         int ret;
1297
1298         scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1299         if (!scodec)
1300                 return -ENOMEM;
1301
1302         scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
1303         if (IS_ERR(scodec->clk_module)) {
1304                 dev_err(&pdev->dev, "Failed to get the module clock\n");
1305                 return PTR_ERR(scodec->clk_module);
1306         }
1307
1308         base = devm_platform_ioremap_resource(pdev, 0);
1309         if (IS_ERR(base)) {
1310                 dev_err(&pdev->dev, "Failed to map the registers\n");
1311                 return PTR_ERR(base);
1312         }
1313
1314         scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,
1315                                                    &sun8i_codec_regmap_config);
1316         if (IS_ERR(scodec->regmap)) {
1317                 dev_err(&pdev->dev, "Failed to create our regmap\n");
1318                 return PTR_ERR(scodec->regmap);
1319         }
1320
1321         scodec->quirks = of_device_get_match_data(&pdev->dev);
1322
1323         platform_set_drvdata(pdev, scodec);
1324
1325         pm_runtime_enable(&pdev->dev);
1326         if (!pm_runtime_enabled(&pdev->dev)) {
1327                 ret = sun8i_codec_runtime_resume(&pdev->dev);
1328                 if (ret)
1329                         goto err_pm_disable;
1330         }
1331
1332         ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
1333                                               sun8i_codec_dais,
1334                                               ARRAY_SIZE(sun8i_codec_dais));
1335         if (ret) {
1336                 dev_err(&pdev->dev, "Failed to register codec\n");
1337                 goto err_suspend;
1338         }
1339
1340         return ret;
1341
1342 err_suspend:
1343         if (!pm_runtime_status_suspended(&pdev->dev))
1344                 sun8i_codec_runtime_suspend(&pdev->dev);
1345
1346 err_pm_disable:
1347         pm_runtime_disable(&pdev->dev);
1348
1349         return ret;
1350 }
1351
1352 static void sun8i_codec_remove(struct platform_device *pdev)
1353 {
1354         pm_runtime_disable(&pdev->dev);
1355         if (!pm_runtime_status_suspended(&pdev->dev))
1356                 sun8i_codec_runtime_suspend(&pdev->dev);
1357 }
1358
1359 static const struct sun8i_codec_quirks sun8i_a33_quirks = {
1360         .legacy_widgets = true,
1361         .lrck_inversion = true,
1362 };
1363
1364 static const struct sun8i_codec_quirks sun50i_a64_quirks = {
1365 };
1366
1367 static const struct of_device_id sun8i_codec_of_match[] = {
1368         { .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
1369         { .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
1370         {}
1371 };
1372 MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
1373
1374 static const struct dev_pm_ops sun8i_codec_pm_ops = {
1375         SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
1376                            sun8i_codec_runtime_resume, NULL)
1377 };
1378
1379 static struct platform_driver sun8i_codec_driver = {
1380         .driver = {
1381                 .name = "sun8i-codec",
1382                 .of_match_table = sun8i_codec_of_match,
1383                 .pm = &sun8i_codec_pm_ops,
1384         },
1385         .probe = sun8i_codec_probe,
1386         .remove_new = sun8i_codec_remove,
1387 };
1388 module_platform_driver(sun8i_codec_driver);
1389
1390 MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
1391 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
1392 MODULE_LICENSE("GPL");
1393 MODULE_ALIAS("platform:sun8i-codec");