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[thirdparty/linux.git] / sound / soc / sunxi / sun8i-codec.c
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36c68493
MJ		 1/*
2 * This driver supports the digital controls for the internal codec
3 * found in Allwinner's A33 SoCs.
4 *
5 * (C) Copyright 2010-2016
6 * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
7 * huangxin <huangxin@Reuuimllatech.com>
8 * Mylène Josserand <mylene.josserand@free-electrons.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21#include <linux/module.h>
22#include <linux/delay.h>
23#include <linux/clk.h>
24#include <linux/io.h>
25#include <linux/pm_runtime.h>
26#include <linux/regmap.h>
13c3bf17 27#include <linux/log2.h>
36c68493
MJ		 28
29#include <sound/pcm_params.h>
30#include <sound/soc.h>
31#include <sound/soc-dapm.h>
32
33#define SUN8I_SYSCLK_CTL 0x00c
34#define SUN8I_SYSCLK_CTL_AIF1CLK_ENA 11
35#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL 9
36#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC 8
37#define SUN8I_SYSCLK_CTL_SYSCLK_ENA 3
38#define SUN8I_SYSCLK_CTL_SYSCLK_SRC 0
39#define SUN8I_MOD_CLK_ENA 0x010
40#define SUN8I_MOD_CLK_ENA_AIF1 15
eda85d1f 41#define SUN8I_MOD_CLK_ENA_ADC 3
36c68493
MJ		 42#define SUN8I_MOD_CLK_ENA_DAC 2
43#define SUN8I_MOD_RST_CTL 0x014
44#define SUN8I_MOD_RST_CTL_AIF1 15
eda85d1f 45#define SUN8I_MOD_RST_CTL_ADC 3
36c68493
MJ		 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_AIF1CLK_CTRL 0x040
51#define SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD 15
52#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV 14
53#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV 13
54#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV 9
55#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV 6
36c68493
MJ		 56#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ 4
57#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16 (1 << 4)
58#define SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT 2
eda85d1f
MJ		 59#define SUN8I_AIF1_ADCDAT_CTRL 0x044
60#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA 15
61#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA 14
36c68493
MJ		 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
eda85d1f
MJ		 65#define SUN8I_AIF1_MXR_SRC 0x04c
66#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L 15
67#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL 14
68#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL 13
69#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR 12
70#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R 11
71#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR 10
72#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR 9
73#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL 8
74#define SUN8I_ADC_DIG_CTRL 0x100
75#define SUN8I_ADC_DIG_CTRL_ENDA 15
76#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS 2
77#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY 1
36c68493
MJ		 78#define SUN8I_DAC_DIG_CTRL 0x120
79#define SUN8I_DAC_DIG_CTRL_ENDA 15
80#define SUN8I_DAC_MXR_SRC 0x130
81#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L 15
82#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L 14
83#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL 13
84#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL 12
85#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R 11
86#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R 10
87#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR 9
88#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR 8
89
90#define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK GENMASK(15, 12)
91#define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK GENMASK(11, 8)
92#define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_MASK GENMASK(5, 4)
93#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK GENMASK(8, 6)
316b7758 94#define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK GENMASK(12, 9)
36c68493
MJ		 95
96struct sun8i_codec {
97 struct device *dev;
98 struct regmap *regmap;
99 struct clk *clk_module;
100 struct clk *clk_bus;
101};
102
103static int sun8i_codec_runtime_resume(struct device *dev)
104{
105 struct sun8i_codec *scodec = dev_get_drvdata(dev);
106 int ret;
107
108 ret = clk_prepare_enable(scodec->clk_module);
109 if (ret) {
110 dev_err(dev, "Failed to enable the module clock\n");
111 return ret;
112 }
113
114 ret = clk_prepare_enable(scodec->clk_bus);
115 if (ret) {
116 dev_err(dev, "Failed to enable the bus clock\n");
117 goto err_disable_modclk;
118 }
119
120 regcache_cache_only(scodec->regmap, false);
121
122 ret = regcache_sync(scodec->regmap);
123 if (ret) {
124 dev_err(dev, "Failed to sync regmap cache\n");
125 goto err_disable_clk;
126 }
127
128 return 0;
129
130err_disable_clk:
131 clk_disable_unprepare(scodec->clk_bus);
132
133err_disable_modclk:
134 clk_disable_unprepare(scodec->clk_module);
135
136 return ret;
137}
138
139static int sun8i_codec_runtime_suspend(struct device *dev)
140{
141 struct sun8i_codec *scodec = dev_get_drvdata(dev);
142
143 regcache_cache_only(scodec->regmap, true);
144 regcache_mark_dirty(scodec->regmap);
145
146 clk_disable_unprepare(scodec->clk_module);
147 clk_disable_unprepare(scodec->clk_bus);
148
149 return 0;
150}
151
152static int sun8i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
153{
154 unsigned int rate = params_rate(params);
155
156 switch (rate) {
157 case 8000:
158 case 7350:
159 return 0x0;
160 case 11025:
161 return 0x1;
162 case 12000:
163 return 0x2;
164 case 16000:
165 return 0x3;
166 case 22050:
167 return 0x4;
168 case 24000:
169 return 0x5;
170 case 32000:
171 return 0x6;
172 case 44100:
173 return 0x7;
174 case 48000:
175 return 0x8;
176 case 96000:
177 return 0x9;
178 case 192000:
179 return 0xa;
180 default:
181 return -EINVAL;
182 }
183}
184
185static int sun8i_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
186{
7ec9b872 187 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(dai->component);
36c68493
MJ		 188 u32 value;
189
190 /* clock masters */
191 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
560bfe77
MR		 192 case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */
193 value = 0x1;
36c68493 194 break;
560bfe77
MR		 195 case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */
196 value = 0x0;
36c68493
MJ		 197 break;
198 default:
199 return -EINVAL;
200 }
201 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
202 BIT(SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD),
203 value << SUN8I_AIF1CLK_CTRL_AIF1_MSTR_MOD);
204
205 /* clock inversion */
206 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
207 case SND_SOC_DAIFMT_NB_NF: /* Normal */
208 value = 0x0;
209 break;
210 case SND_SOC_DAIFMT_IB_IF: /* Inversion */
211 value = 0x1;
212 break;
213 default:
214 return -EINVAL;
215 }
216 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
217 BIT(SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV),
218 value << SUN8I_AIF1CLK_CTRL_AIF1_BCLK_INV);
e7b8a6d3
MR		 219
220 /*
221 * It appears that the DAI and the codec don't share the same
222 * polarity for the LRCK signal when they mean 'normal' and
223 * 'inverted' in the datasheet.
224 *
225 * Since the DAI here is our regular i2s driver that have been
226 * tested with way more codecs than just this one, it means
227 * that the codec probably gets it backward, and we have to
228 * invert the value here.
229 */
36c68493
MJ		 230 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
231 BIT(SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV),
18c1bf35 232 !value << SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV);
36c68493
MJ		 233
234 /* DAI format */
235 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
236 case SND_SOC_DAIFMT_I2S:
237 value = 0x0;
238 break;
239 case SND_SOC_DAIFMT_LEFT_J:
240 value = 0x1;
241 break;
242 case SND_SOC_DAIFMT_RIGHT_J:
243 value = 0x2;
244 break;
245 case SND_SOC_DAIFMT_DSP_A:
246 case SND_SOC_DAIFMT_DSP_B:
247 value = 0x3;
248 break;
249 default:
250 return -EINVAL;
251 }
252 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
253 BIT(SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT),
254 value << SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT);
255
256 return 0;
257}
258
316b7758
MR		 259struct sun8i_codec_clk_div {
260 u8 div;
261 u8 val;
262};
263
264static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
265 { .div = 1, .val = 0 },
266 { .div = 2, .val = 1 },
267 { .div = 4, .val = 2 },
268 { .div = 6, .val = 3 },
269 { .div = 8, .val = 4 },
270 { .div = 12, .val = 5 },
271 { .div = 16, .val = 6 },
272 { .div = 24, .val = 7 },
273 { .div = 32, .val = 8 },
274 { .div = 48, .val = 9 },
275 { .div = 64, .val = 10 },
276 { .div = 96, .val = 11 },
277 { .div = 128, .val = 12 },
278 { .div = 192, .val = 13 },
279};
280
281static u8 sun8i_codec_get_bclk_div(struct sun8i_codec *scodec,
282 unsigned int rate,
283 unsigned int word_size)
284{
285 unsigned long clk_rate = clk_get_rate(scodec->clk_module);
286 unsigned int div = clk_rate / rate / word_size / 2;
287 unsigned int best_val = 0, best_diff = ~0;
288 int i;
289
290 for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
291 const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
292 unsigned int diff = abs(bdiv->div - div);
293
294 if (diff < best_diff) {
295 best_diff = diff;
296 best_val = bdiv->val;
297 }
298 }
299
300 return best_val;
301}
302
13c3bf17
VK		 303static int sun8i_codec_get_lrck_div(unsigned int channels,
304 unsigned int word_size)
305{
306 unsigned int div = word_size * channels;
307
308 if (div < 16 || div > 256)
309 return -EINVAL;
310
311 return ilog2(div) - 4;
312}
313
36c68493
MJ		 314static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
315 struct snd_pcm_hw_params *params,
316 struct snd_soc_dai *dai)
317{
7ec9b872 318 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(dai->component);
13c3bf17 319 int sample_rate, lrck_div;
316b7758 320 u8 bclk_div;
36c68493
MJ		 321
322 /*
323 * The CPU DAI handles only a sample of 16 bits. Configure the
324 * codec to handle this type of sample resolution.
325 */
326 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
327 SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_MASK,
328 SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16);
329
316b7758
MR		 330 bclk_div = sun8i_codec_get_bclk_div(scodec, params_rate(params), 16);
331 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
332 SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK,
333 bclk_div << SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV);
334
13c3bf17
VK		 335 lrck_div = sun8i_codec_get_lrck_div(params_channels(params),
336 params_physical_width(params));
337 if (lrck_div < 0)
338 return lrck_div;
339
36c68493
MJ		 340 regmap_update_bits(scodec->regmap, SUN8I_AIF1CLK_CTRL,
341 SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_MASK,
13c3bf17 342 lrck_div << SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV);
36c68493
MJ		 343
344 sample_rate = sun8i_codec_get_hw_rate(params);
345 if (sample_rate < 0)
346 return sample_rate;
347
348 regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
349 SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
350 sample_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
351 regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
352 SUN8I_SYS_SR_CTRL_AIF2_FS_MASK,
353 sample_rate << SUN8I_SYS_SR_CTRL_AIF2_FS);
354
355 return 0;
356}
357
ca14da6e
MJ		 358static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
359 SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
360 SUN8I_DAC_MXR_SRC,
361 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
36c68493 362 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
ca14da6e
MJ		 363 SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
364 SUN8I_DAC_MXR_SRC,
365 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
36c68493 366 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
ca14da6e
MJ		 367 SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
368 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
36c68493 369 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
ca14da6e
MJ		 370 SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
371 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
36c68493
MJ		 372 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
373};
374
eda85d1f
MJ		 375static const struct snd_kcontrol_new sun8i_input_mixer_controls[] = {
376 SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
377 SUN8I_AIF1_MXR_SRC,
378 SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L,
379 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
380 SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch", SUN8I_AIF1_MXR_SRC,
381 SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL,
382 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
383 SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
384 SUN8I_AIF1_MXR_SRC,
385 SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL,
386 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
387 SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
388 SUN8I_AIF1_MXR_SRC,
389 SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR,
390 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
391};
392
36c68493 393static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
eda85d1f 394 /* Digital parts of the DACs and ADC */
36c68493
MJ		 395 SND_SOC_DAPM_SUPPLY("DAC", SUN8I_DAC_DIG_CTRL, SUN8I_DAC_DIG_CTRL_ENDA,
396 0, NULL, 0),
eda85d1f
MJ		 397 SND_SOC_DAPM_SUPPLY("ADC", SUN8I_ADC_DIG_CTRL, SUN8I_ADC_DIG_CTRL_ENDA,
398 0, NULL, 0),
36c68493 399
9123aa86
MJ		 400 /* Analog DAC AIF */
401 SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left", "Playback", 0,
402 SUN8I_AIF1_DACDAT_CTRL,
403 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0),
404 SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right", "Playback", 0,
405 SUN8I_AIF1_DACDAT_CTRL,
406 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
36c68493 407
eda85d1f
MJ		 408 /* Analog ADC AIF */
409 SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left ADC", "Capture", 0,
410 SUN8I_AIF1_ADCDAT_CTRL,
411 SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA, 0),
412 SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right ADC", "Capture", 0,
413 SUN8I_AIF1_ADCDAT_CTRL,
414 SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA, 0),
415
416 /* DAC and ADC Mixers */
fa22ca4f
MJ		 417 SOC_MIXER_ARRAY("Left Digital DAC Mixer", SND_SOC_NOPM, 0, 0,
418 sun8i_dac_mixer_controls),
419 SOC_MIXER_ARRAY("Right Digital DAC Mixer", SND_SOC_NOPM, 0, 0,
420 sun8i_dac_mixer_controls),
eda85d1f
MJ		 421 SOC_MIXER_ARRAY("Left Digital ADC Mixer", SND_SOC_NOPM, 0, 0,
422 sun8i_input_mixer_controls),
423 SOC_MIXER_ARRAY("Right Digital ADC Mixer", SND_SOC_NOPM, 0, 0,
424 sun8i_input_mixer_controls),
36c68493
MJ		 425
426 /* Clocks */
427 SND_SOC_DAPM_SUPPLY("MODCLK AFI1", SUN8I_MOD_CLK_ENA,
428 SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
429 SND_SOC_DAPM_SUPPLY("MODCLK DAC", SUN8I_MOD_CLK_ENA,
430 SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
eda85d1f
MJ		 431 SND_SOC_DAPM_SUPPLY("MODCLK ADC", SUN8I_MOD_CLK_ENA,
432 SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
36c68493
MJ		 433 SND_SOC_DAPM_SUPPLY("AIF1", SUN8I_SYSCLK_CTL,
434 SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
435 SND_SOC_DAPM_SUPPLY("SYSCLK", SUN8I_SYSCLK_CTL,
436 SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
437
438 SND_SOC_DAPM_SUPPLY("AIF1 PLL", SUN8I_SYSCLK_CTL,
439 SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL, 0, NULL, 0),
440 /* Inversion as 0=AIF1, 1=AIF2 */
441 SND_SOC_DAPM_SUPPLY("SYSCLK AIF1", SUN8I_SYSCLK_CTL,
442 SUN8I_SYSCLK_CTL_SYSCLK_SRC, 1, NULL, 0),
443
444 /* Module reset */
445 SND_SOC_DAPM_SUPPLY("RST AIF1", SUN8I_MOD_RST_CTL,
446 SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
447 SND_SOC_DAPM_SUPPLY("RST DAC", SUN8I_MOD_RST_CTL,
448 SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
eda85d1f
MJ		 449 SND_SOC_DAPM_SUPPLY("RST ADC", SUN8I_MOD_RST_CTL,
450 SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
451
452 SND_SOC_DAPM_MIC("Headset Mic", NULL),
453 SND_SOC_DAPM_MIC("Mic", NULL),
454
36c68493
MJ		 455};
456
457static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
458 /* Clock Routes */
459 { "AIF1", NULL, "SYSCLK AIF1" },
460 { "AIF1 PLL", NULL, "AIF1" },
461 { "RST AIF1", NULL, "AIF1 PLL" },
462 { "MODCLK AFI1", NULL, "RST AIF1" },
463 { "DAC", NULL, "MODCLK AFI1" },
eda85d1f 464 { "ADC", NULL, "MODCLK AFI1" },
36c68493
MJ		 465
466 { "RST DAC", NULL, "SYSCLK" },
467 { "MODCLK DAC", NULL, "RST DAC" },
468 { "DAC", NULL, "MODCLK DAC" },
469
eda85d1f
MJ		 470 { "RST ADC", NULL, "SYSCLK" },
471 { "MODCLK ADC", NULL, "RST ADC" },
472 { "ADC", NULL, "MODCLK ADC" },
473
36c68493 474 /* DAC Routes */
9123aa86
MJ		 475 { "AIF1 Slot 0 Right", NULL, "DAC" },
476 { "AIF1 Slot 0 Left", NULL, "DAC" },
36c68493
MJ		 477
478 /* DAC Mixer Routes */
ca14da6e 479 { "Left Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch",
9123aa86 480 "AIF1 Slot 0 Left"},
80405d44 481 { "Right Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch",
9123aa86 482 "AIF1 Slot 0 Right"},
eda85d1f 483
9ee325d0
VK		 484 /* ADC Routes */
485 { "AIF1 Slot 0 Right ADC", NULL, "ADC" },
486 { "AIF1 Slot 0 Left ADC", NULL, "ADC" },
487
488 /* ADC Mixer Routes */
eda85d1f
MJ		 489 { "Left Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch",
490 "AIF1 Slot 0 Left ADC" },
491 { "Right Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch",
492 "AIF1 Slot 0 Right ADC" },
36c68493
MJ		 493};
494
fe49cd98 495static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
36c68493
MJ		 496 .hw_params = sun8i_codec_hw_params,
497 .set_fmt = sun8i_set_fmt,
498};
499
500static struct snd_soc_dai_driver sun8i_codec_dai = {
501 .name = "sun8i",
502 /* playback capabilities */
503 .playback = {
504 .stream_name = "Playback",
505 .channels_min = 1,
506 .channels_max = 2,
507 .rates = SNDRV_PCM_RATE_8000_192000,
508 .formats = SNDRV_PCM_FMTBIT_S16_LE,
509 },
eda85d1f
MJ		 510 /* capture capabilities */
511 .capture = {
512 .stream_name = "Capture",
513 .channels_min = 1,
514 .channels_max = 2,
515 .rates = SNDRV_PCM_RATE_8000_192000,
516 .formats = SNDRV_PCM_FMTBIT_S16_LE,
517 .sig_bits = 24,
518 },
36c68493
MJ		 519 /* pcm operations */
520 .ops = &sun8i_codec_dai_ops,
521};
522
7ec9b872
KM		 523static const struct snd_soc_component_driver sun8i_soc_component = {
524 .dapm_widgets = sun8i_codec_dapm_widgets,
525 .num_dapm_widgets = ARRAY_SIZE(sun8i_codec_dapm_widgets),
526 .dapm_routes = sun8i_codec_dapm_routes,
527 .num_dapm_routes = ARRAY_SIZE(sun8i_codec_dapm_routes),
528 .idle_bias_on = 1,
529 .use_pmdown_time = 1,
530 .endianness = 1,
531 .non_legacy_dai_naming = 1,
36c68493
MJ		 532};
533
534static const struct regmap_config sun8i_codec_regmap_config = {
535 .reg_bits = 32,
536 .reg_stride = 4,
537 .val_bits = 32,
538 .max_register = SUN8I_DAC_MXR_SRC,
539
540 .cache_type = REGCACHE_FLAT,
541};
542
543static int sun8i_codec_probe(struct platform_device *pdev)
544{
545 struct resource *res_base;
546 struct sun8i_codec *scodec;
547 void __iomem *base;
548 int ret;
549
550 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
551 if (!scodec)
552 return -ENOMEM;
553
554 scodec->dev = &pdev->dev;
555
556 scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
557 if (IS_ERR(scodec->clk_module)) {
558 dev_err(&pdev->dev, "Failed to get the module clock\n");
559 return PTR_ERR(scodec->clk_module);
560 }
561
562 scodec->clk_bus = devm_clk_get(&pdev->dev, "bus");
563 if (IS_ERR(scodec->clk_bus)) {
564 dev_err(&pdev->dev, "Failed to get the bus clock\n");
565 return PTR_ERR(scodec->clk_bus);
566 }
567
568 res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
569 base = devm_ioremap_resource(&pdev->dev, res_base);
570 if (IS_ERR(base)) {
571 dev_err(&pdev->dev, "Failed to map the registers\n");
572 return PTR_ERR(base);
573 }
574
575 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
576 &sun8i_codec_regmap_config);
577 if (IS_ERR(scodec->regmap)) {
578 dev_err(&pdev->dev, "Failed to create our regmap\n");
579 return PTR_ERR(scodec->regmap);
580 }
581
582 platform_set_drvdata(pdev, scodec);
583
584 pm_runtime_enable(&pdev->dev);
585 if (!pm_runtime_enabled(&pdev->dev)) {
586 ret = sun8i_codec_runtime_resume(&pdev->dev);
587 if (ret)
588 goto err_pm_disable;
589 }
590
7ec9b872 591 ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
36c68493
MJ		 592 &sun8i_codec_dai, 1);
593 if (ret) {
594 dev_err(&pdev->dev, "Failed to register codec\n");
595 goto err_suspend;
596 }
597
598 return ret;
599
600err_suspend:
601 if (!pm_runtime_status_suspended(&pdev->dev))
602 sun8i_codec_runtime_suspend(&pdev->dev);
603
604err_pm_disable:
605 pm_runtime_disable(&pdev->dev);
606
607 return ret;
608}
609
610static int sun8i_codec_remove(struct platform_device *pdev)
611{
36c68493
MJ		 612 pm_runtime_disable(&pdev->dev);
613 if (!pm_runtime_status_suspended(&pdev->dev))
614 sun8i_codec_runtime_suspend(&pdev->dev);
615
36c68493
MJ		 616 return 0;
617}
618
619static const struct of_device_id sun8i_codec_of_match[] = {
620 { .compatible = "allwinner,sun8i-a33-codec" },
621 {}
622};
623MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
624
625static const struct dev_pm_ops sun8i_codec_pm_ops = {
626 SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
627 sun8i_codec_runtime_resume, NULL)
628};
629
630static struct platform_driver sun8i_codec_driver = {
631 .driver = {
632 .name = "sun8i-codec",
633 .of_match_table = sun8i_codec_of_match,
634 .pm = &sun8i_codec_pm_ops,
635 },
636 .probe = sun8i_codec_probe,
637 .remove = sun8i_codec_remove,
638};
639module_platform_driver(sun8i_codec_driver);
640
641MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
642MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
643MODULE_LICENSE("GPL");
644MODULE_ALIAS("platform:sun8i-codec");
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