Commit | Line | Data |
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a1533d94 BS |
1 | /* |
2 | * AD193X Audio Codec driver supporting AD1936/7/8/9 | |
3 | * | |
4 | * Copyright 2010 Analog Devices Inc. | |
5 | * | |
6 | * Licensed under the GPL-2 or later. | |
7 | */ | |
8 | ||
a1533d94 BS |
9 | #include <linux/module.h> |
10 | #include <linux/kernel.h> | |
11 | #include <linux/device.h> | |
6c3d713e | 12 | #include <linux/regmap.h> |
1b132ea0 | 13 | #include <linux/slab.h> |
a1533d94 BS |
14 | #include <sound/core.h> |
15 | #include <sound/pcm.h> | |
16 | #include <sound/pcm_params.h> | |
17 | #include <sound/initval.h> | |
18 | #include <sound/soc.h> | |
19 | #include <sound/tlv.h> | |
6c3d713e | 20 | |
a1533d94 BS |
21 | #include "ad193x.h" |
22 | ||
23 | /* codec private data */ | |
24 | struct ad193x_priv { | |
30ab1e78 | 25 | struct regmap *regmap; |
f0fba2ad | 26 | int sysclk; |
a1533d94 BS |
27 | }; |
28 | ||
a1533d94 BS |
29 | /* |
30 | * AD193X volume/mute/de-emphasis etc. controls | |
31 | */ | |
c4e7a4a2 | 32 | static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"}; |
a1533d94 | 33 | |
b6592d88 TI |
34 | static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1, |
35 | ad193x_deemp); | |
a1533d94 | 36 | |
591c034a LPC |
37 | static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0); |
38 | ||
a1533d94 BS |
39 | static const struct snd_kcontrol_new ad193x_snd_controls[] = { |
40 | /* DAC volume control */ | |
591c034a LPC |
41 | SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL, |
42 | AD193X_DAC_R1_VOL, 0, 0xFF, 1, adau193x_tlv), | |
43 | SOC_DOUBLE_R_TLV("DAC2 Volume", AD193X_DAC_L2_VOL, | |
44 | AD193X_DAC_R2_VOL, 0, 0xFF, 1, adau193x_tlv), | |
45 | SOC_DOUBLE_R_TLV("DAC3 Volume", AD193X_DAC_L3_VOL, | |
46 | AD193X_DAC_R3_VOL, 0, 0xFF, 1, adau193x_tlv), | |
47 | SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL, | |
48 | AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv), | |
a1533d94 BS |
49 | |
50 | /* ADC switch control */ | |
51 | SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE, | |
52 | AD193X_ADCR1_MUTE, 1, 1), | |
53 | SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE, | |
54 | AD193X_ADCR2_MUTE, 1, 1), | |
55 | ||
56 | /* DAC switch control */ | |
57 | SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE, | |
58 | AD193X_DACR1_MUTE, 1, 1), | |
59 | SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE, | |
60 | AD193X_DACR2_MUTE, 1, 1), | |
61 | SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE, | |
62 | AD193X_DACR3_MUTE, 1, 1), | |
63 | SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE, | |
64 | AD193X_DACR4_MUTE, 1, 1), | |
65 | ||
66 | /* ADC high-pass filter */ | |
67 | SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0, | |
68 | AD193X_ADC_HIGHPASS_FILTER, 1, 0), | |
69 | ||
70 | /* DAC de-emphasis */ | |
71 | SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum), | |
72 | }; | |
73 | ||
74 | static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = { | |
75 | SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1), | |
76 | SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), | |
77 | SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0), | |
78 | SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0), | |
0718fd27 | 79 | SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0), |
a1533d94 BS |
80 | SND_SOC_DAPM_OUTPUT("DAC1OUT"), |
81 | SND_SOC_DAPM_OUTPUT("DAC2OUT"), | |
82 | SND_SOC_DAPM_OUTPUT("DAC3OUT"), | |
83 | SND_SOC_DAPM_OUTPUT("DAC4OUT"), | |
84 | SND_SOC_DAPM_INPUT("ADC1IN"), | |
85 | SND_SOC_DAPM_INPUT("ADC2IN"), | |
86 | }; | |
87 | ||
88 | static const struct snd_soc_dapm_route audio_paths[] = { | |
0718fd27 LPC |
89 | { "DAC", NULL, "SYSCLK" }, |
90 | { "ADC", NULL, "SYSCLK" }, | |
a1533d94 BS |
91 | { "DAC", NULL, "ADC_PWR" }, |
92 | { "ADC", NULL, "ADC_PWR" }, | |
b21990b4 LPC |
93 | { "DAC1OUT", NULL, "DAC" }, |
94 | { "DAC2OUT", NULL, "DAC" }, | |
95 | { "DAC3OUT", NULL, "DAC" }, | |
96 | { "DAC4OUT", NULL, "DAC" }, | |
97 | { "ADC", NULL, "ADC1IN" }, | |
98 | { "ADC", NULL, "ADC2IN" }, | |
0718fd27 | 99 | { "SYSCLK", NULL, "PLL_PWR" }, |
a1533d94 BS |
100 | }; |
101 | ||
102 | /* | |
103 | * DAI ops entries | |
104 | */ | |
105 | ||
106 | static int ad193x_mute(struct snd_soc_dai *dai, int mute) | |
107 | { | |
34cbe168 | 108 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
a1533d94 | 109 | |
54c96cfd | 110 | if (mute) |
34cbe168 | 111 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
112 | AD193X_DAC_MASTER_MUTE, |
113 | AD193X_DAC_MASTER_MUTE); | |
114 | else | |
34cbe168 | 115 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd | 116 | AD193X_DAC_MASTER_MUTE, 0); |
a1533d94 BS |
117 | |
118 | return 0; | |
119 | } | |
120 | ||
121 | static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | |
122 | unsigned int rx_mask, int slots, int width) | |
123 | { | |
34cbe168 | 124 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
b82ca578 | 125 | unsigned int channels; |
a1533d94 BS |
126 | |
127 | switch (slots) { | |
128 | case 2: | |
b82ca578 | 129 | channels = AD193X_2_CHANNELS; |
a1533d94 BS |
130 | break; |
131 | case 4: | |
b82ca578 | 132 | channels = AD193X_4_CHANNELS; |
a1533d94 BS |
133 | break; |
134 | case 8: | |
b82ca578 | 135 | channels = AD193X_8_CHANNELS; |
a1533d94 BS |
136 | break; |
137 | case 16: | |
b82ca578 | 138 | channels = AD193X_16_CHANNELS; |
a1533d94 BS |
139 | break; |
140 | default: | |
141 | return -EINVAL; | |
142 | } | |
143 | ||
34cbe168 LPC |
144 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, |
145 | AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT); | |
146 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
147 | AD193X_ADC_CHAN_MASK, channels << AD193X_ADC_CHAN_SHFT); | |
a1533d94 BS |
148 | |
149 | return 0; | |
150 | } | |
151 | ||
152 | static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
153 | unsigned int fmt) | |
154 | { | |
34cbe168 | 155 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec_dai->codec); |
b82ca578 LPC |
156 | unsigned int adc_serfmt = 0; |
157 | unsigned int adc_fmt = 0; | |
158 | unsigned int dac_fmt = 0; | |
a1533d94 BS |
159 | |
160 | /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S | |
161 | * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) | |
162 | */ | |
163 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
164 | case SND_SOC_DAIFMT_I2S: | |
b82ca578 | 165 | adc_serfmt |= AD193X_ADC_SERFMT_TDM; |
a1533d94 BS |
166 | break; |
167 | case SND_SOC_DAIFMT_DSP_A: | |
b82ca578 | 168 | adc_serfmt |= AD193X_ADC_SERFMT_AUX; |
a1533d94 BS |
169 | break; |
170 | default: | |
171 | return -EINVAL; | |
172 | } | |
173 | ||
174 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
175 | case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */ | |
a1533d94 BS |
176 | break; |
177 | case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */ | |
b82ca578 LPC |
178 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
179 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
a1533d94 BS |
180 | break; |
181 | case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */ | |
b82ca578 LPC |
182 | adc_fmt |= AD193X_ADC_BCLK_INV; |
183 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 | 184 | break; |
a1533d94 | 185 | case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */ |
b82ca578 LPC |
186 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
187 | adc_fmt |= AD193X_ADC_BCLK_INV; | |
188 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
189 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 BS |
190 | break; |
191 | default: | |
192 | return -EINVAL; | |
193 | } | |
194 | ||
195 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
196 | case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ | |
b82ca578 LPC |
197 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
198 | adc_fmt |= AD193X_ADC_BCLK_MASTER; | |
199 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
200 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
201 | break; |
202 | case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */ | |
b82ca578 LPC |
203 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
204 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
a1533d94 BS |
205 | break; |
206 | case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */ | |
b82ca578 LPC |
207 | adc_fmt |= AD193X_ADC_BCLK_MASTER; |
208 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
209 | break; |
210 | case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */ | |
a1533d94 BS |
211 | break; |
212 | default: | |
213 | return -EINVAL; | |
214 | } | |
215 | ||
34cbe168 LPC |
216 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, |
217 | AD193X_ADC_SERFMT_MASK, adc_serfmt); | |
218 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
219 | AD193X_ADC_FMT_MASK, adc_fmt); | |
220 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, | |
221 | AD193X_DAC_FMT_MASK, dac_fmt); | |
a1533d94 BS |
222 | |
223 | return 0; | |
224 | } | |
225 | ||
fab90aa4 BS |
226 | static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
227 | int clk_id, unsigned int freq, int dir) | |
228 | { | |
229 | struct snd_soc_codec *codec = codec_dai->codec; | |
230 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); | |
231 | switch (freq) { | |
232 | case 12288000: | |
233 | case 18432000: | |
234 | case 24576000: | |
235 | case 36864000: | |
236 | ad193x->sysclk = freq; | |
237 | return 0; | |
238 | } | |
239 | return -EINVAL; | |
240 | } | |
241 | ||
a1533d94 BS |
242 | static int ad193x_hw_params(struct snd_pcm_substream *substream, |
243 | struct snd_pcm_hw_params *params, | |
244 | struct snd_soc_dai *dai) | |
245 | { | |
54c96cfd | 246 | int word_len = 0, master_rate = 0; |
e6968a17 | 247 | struct snd_soc_codec *codec = dai->codec; |
fab90aa4 | 248 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 BS |
249 | |
250 | /* bit size */ | |
d4dd1fdf MB |
251 | switch (params_width(params)) { |
252 | case 16: | |
a1533d94 BS |
253 | word_len = 3; |
254 | break; | |
d4dd1fdf | 255 | case 20: |
a1533d94 BS |
256 | word_len = 1; |
257 | break; | |
d4dd1fdf MB |
258 | case 24: |
259 | case 32: | |
a1533d94 BS |
260 | word_len = 0; |
261 | break; | |
262 | } | |
263 | ||
fab90aa4 BS |
264 | switch (ad193x->sysclk) { |
265 | case 12288000: | |
266 | master_rate = AD193X_PLL_INPUT_256; | |
267 | break; | |
268 | case 18432000: | |
269 | master_rate = AD193X_PLL_INPUT_384; | |
270 | break; | |
271 | case 24576000: | |
272 | master_rate = AD193X_PLL_INPUT_512; | |
273 | break; | |
274 | case 36864000: | |
275 | master_rate = AD193X_PLL_INPUT_768; | |
276 | break; | |
277 | } | |
278 | ||
34cbe168 | 279 | regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0, |
54c96cfd | 280 | AD193X_PLL_INPUT_MASK, master_rate); |
fab90aa4 | 281 | |
34cbe168 | 282 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
283 | AD193X_DAC_WORD_LEN_MASK, |
284 | word_len << AD193X_DAC_WORD_LEN_SHFT); | |
a1533d94 | 285 | |
34cbe168 | 286 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, |
54c96cfd | 287 | AD193X_ADC_WORD_LEN_MASK, word_len); |
a1533d94 BS |
288 | |
289 | return 0; | |
290 | } | |
291 | ||
85e7652d | 292 | static const struct snd_soc_dai_ops ad193x_dai_ops = { |
9dd7b79a BS |
293 | .hw_params = ad193x_hw_params, |
294 | .digital_mute = ad193x_mute, | |
295 | .set_tdm_slot = ad193x_set_tdm_slot, | |
fab90aa4 | 296 | .set_sysclk = ad193x_set_dai_sysclk, |
9dd7b79a BS |
297 | .set_fmt = ad193x_set_dai_fmt, |
298 | }; | |
299 | ||
300 | /* codec DAI instance */ | |
f0fba2ad LG |
301 | static struct snd_soc_dai_driver ad193x_dai = { |
302 | .name = "ad193x-hifi", | |
9dd7b79a BS |
303 | .playback = { |
304 | .stream_name = "Playback", | |
305 | .channels_min = 2, | |
306 | .channels_max = 8, | |
307 | .rates = SNDRV_PCM_RATE_48000, | |
308 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
309 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
310 | }, | |
311 | .capture = { | |
312 | .stream_name = "Capture", | |
313 | .channels_min = 2, | |
314 | .channels_max = 4, | |
315 | .rates = SNDRV_PCM_RATE_48000, | |
316 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
317 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
318 | }, | |
319 | .ops = &ad193x_dai_ops, | |
320 | }; | |
9dd7b79a | 321 | |
6c3d713e | 322 | static int ad193x_codec_probe(struct snd_soc_codec *codec) |
a1533d94 | 323 | { |
f0fba2ad | 324 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 | 325 | |
f0fba2ad | 326 | /* default setting for ad193x */ |
a1533d94 | 327 | |
f0fba2ad | 328 | /* unmute dac channels */ |
34cbe168 | 329 | regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0); |
f0fba2ad | 330 | /* de-emphasis: 48kHz, powedown dac */ |
34cbe168 | 331 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A); |
f0fba2ad | 332 | /* powerdown dac, dac in tdm mode */ |
34cbe168 | 333 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x41); |
f0fba2ad | 334 | /* high-pass filter enable */ |
34cbe168 | 335 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3); |
f0fba2ad | 336 | /* sata delay=1, adc aux mode */ |
34cbe168 | 337 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43); |
f0fba2ad | 338 | /* pll input: mclki/xi */ |
34cbe168 LPC |
339 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ |
340 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04); | |
a1533d94 | 341 | |
5d6be5aa | 342 | return 0; |
a1533d94 BS |
343 | } |
344 | ||
f0fba2ad | 345 | static struct snd_soc_codec_driver soc_codec_dev_ad193x = { |
6c3d713e | 346 | .probe = ad193x_codec_probe, |
b90d4183 LPC |
347 | .controls = ad193x_snd_controls, |
348 | .num_controls = ARRAY_SIZE(ad193x_snd_controls), | |
349 | .dapm_widgets = ad193x_dapm_widgets, | |
350 | .num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets), | |
351 | .dapm_routes = audio_paths, | |
352 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
a1533d94 | 353 | }; |
a1533d94 | 354 | |
34cbe168 LPC |
355 | static bool adau193x_reg_volatile(struct device *dev, unsigned int reg) |
356 | { | |
357 | return false; | |
358 | } | |
359 | ||
6c3d713e | 360 | const struct regmap_config ad193x_regmap_config = { |
34cbe168 LPC |
361 | .max_register = AD193X_NUM_REGS - 1, |
362 | .volatile_reg = adau193x_reg_volatile, | |
30ab1e78 | 363 | }; |
6c3d713e | 364 | EXPORT_SYMBOL_GPL(ad193x_regmap_config); |
30ab1e78 | 365 | |
6c3d713e | 366 | int ad193x_probe(struct device *dev, struct regmap *regmap) |
a1533d94 | 367 | { |
f0fba2ad | 368 | struct ad193x_priv *ad193x; |
f0fba2ad | 369 | |
6c3d713e LPC |
370 | if (IS_ERR(regmap)) |
371 | return PTR_ERR(regmap); | |
a1533d94 | 372 | |
6c3d713e | 373 | ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL); |
f0fba2ad LG |
374 | if (ad193x == NULL) |
375 | return -ENOMEM; | |
376 | ||
6c3d713e | 377 | ad193x->regmap = regmap; |
a1533d94 | 378 | |
6c3d713e | 379 | dev_set_drvdata(dev, ad193x); |
a1533d94 | 380 | |
6c3d713e LPC |
381 | return snd_soc_register_codec(dev, &soc_codec_dev_ad193x, |
382 | &ad193x_dai, 1); | |
a1533d94 | 383 | } |
6c3d713e | 384 | EXPORT_SYMBOL_GPL(ad193x_probe); |
a1533d94 BS |
385 | |
386 | MODULE_DESCRIPTION("ASoC ad193x driver"); | |
387 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); | |
388 | MODULE_LICENSE("GPL"); |