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[] = { | |
1b86a3fa LPC |
75 | SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0), |
76 | SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0), | |
a1533d94 BS |
77 | SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), |
78 | SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0), | |
79 | SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0), | |
0718fd27 | 80 | SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0), |
1b86a3fa | 81 | SND_SOC_DAPM_VMID("VMID"), |
a1533d94 BS |
82 | SND_SOC_DAPM_OUTPUT("DAC1OUT"), |
83 | SND_SOC_DAPM_OUTPUT("DAC2OUT"), | |
84 | SND_SOC_DAPM_OUTPUT("DAC3OUT"), | |
85 | SND_SOC_DAPM_OUTPUT("DAC4OUT"), | |
86 | SND_SOC_DAPM_INPUT("ADC1IN"), | |
87 | SND_SOC_DAPM_INPUT("ADC2IN"), | |
88 | }; | |
89 | ||
90 | static const struct snd_soc_dapm_route audio_paths[] = { | |
0718fd27 | 91 | { "DAC", NULL, "SYSCLK" }, |
1b86a3fa LPC |
92 | { "DAC Output", NULL, "DAC" }, |
93 | { "DAC Output", NULL, "VMID" }, | |
0718fd27 | 94 | { "ADC", NULL, "SYSCLK" }, |
a1533d94 BS |
95 | { "DAC", NULL, "ADC_PWR" }, |
96 | { "ADC", NULL, "ADC_PWR" }, | |
1b86a3fa LPC |
97 | { "DAC1OUT", NULL, "DAC Output" }, |
98 | { "DAC2OUT", NULL, "DAC Output" }, | |
99 | { "DAC3OUT", NULL, "DAC Output" }, | |
100 | { "DAC4OUT", NULL, "DAC Output" }, | |
b21990b4 LPC |
101 | { "ADC", NULL, "ADC1IN" }, |
102 | { "ADC", NULL, "ADC2IN" }, | |
0718fd27 | 103 | { "SYSCLK", NULL, "PLL_PWR" }, |
a1533d94 BS |
104 | }; |
105 | ||
106 | /* | |
107 | * DAI ops entries | |
108 | */ | |
109 | ||
110 | static int ad193x_mute(struct snd_soc_dai *dai, int mute) | |
111 | { | |
34cbe168 | 112 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
a1533d94 | 113 | |
54c96cfd | 114 | if (mute) |
34cbe168 | 115 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
116 | AD193X_DAC_MASTER_MUTE, |
117 | AD193X_DAC_MASTER_MUTE); | |
118 | else | |
34cbe168 | 119 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd | 120 | AD193X_DAC_MASTER_MUTE, 0); |
a1533d94 BS |
121 | |
122 | return 0; | |
123 | } | |
124 | ||
125 | static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | |
126 | unsigned int rx_mask, int slots, int width) | |
127 | { | |
34cbe168 | 128 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
b82ca578 | 129 | unsigned int channels; |
a1533d94 BS |
130 | |
131 | switch (slots) { | |
132 | case 2: | |
b82ca578 | 133 | channels = AD193X_2_CHANNELS; |
a1533d94 BS |
134 | break; |
135 | case 4: | |
b82ca578 | 136 | channels = AD193X_4_CHANNELS; |
a1533d94 BS |
137 | break; |
138 | case 8: | |
b82ca578 | 139 | channels = AD193X_8_CHANNELS; |
a1533d94 BS |
140 | break; |
141 | case 16: | |
b82ca578 | 142 | channels = AD193X_16_CHANNELS; |
a1533d94 BS |
143 | break; |
144 | default: | |
145 | return -EINVAL; | |
146 | } | |
147 | ||
34cbe168 LPC |
148 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, |
149 | AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT); | |
150 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
151 | AD193X_ADC_CHAN_MASK, channels << AD193X_ADC_CHAN_SHFT); | |
a1533d94 BS |
152 | |
153 | return 0; | |
154 | } | |
155 | ||
156 | static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
157 | unsigned int fmt) | |
158 | { | |
34cbe168 | 159 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec_dai->codec); |
b82ca578 LPC |
160 | unsigned int adc_serfmt = 0; |
161 | unsigned int adc_fmt = 0; | |
162 | unsigned int dac_fmt = 0; | |
a1533d94 BS |
163 | |
164 | /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S | |
165 | * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) | |
166 | */ | |
167 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
168 | case SND_SOC_DAIFMT_I2S: | |
b82ca578 | 169 | adc_serfmt |= AD193X_ADC_SERFMT_TDM; |
a1533d94 BS |
170 | break; |
171 | case SND_SOC_DAIFMT_DSP_A: | |
b82ca578 | 172 | adc_serfmt |= AD193X_ADC_SERFMT_AUX; |
a1533d94 BS |
173 | break; |
174 | default: | |
175 | return -EINVAL; | |
176 | } | |
177 | ||
178 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
179 | case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */ | |
a1533d94 BS |
180 | break; |
181 | case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */ | |
b82ca578 LPC |
182 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
183 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
a1533d94 BS |
184 | break; |
185 | case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */ | |
b82ca578 LPC |
186 | adc_fmt |= AD193X_ADC_BCLK_INV; |
187 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 | 188 | break; |
a1533d94 | 189 | case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */ |
b82ca578 LPC |
190 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
191 | adc_fmt |= AD193X_ADC_BCLK_INV; | |
192 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
193 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 BS |
194 | break; |
195 | default: | |
196 | return -EINVAL; | |
197 | } | |
198 | ||
199 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
200 | case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ | |
b82ca578 LPC |
201 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
202 | adc_fmt |= AD193X_ADC_BCLK_MASTER; | |
203 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
204 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
205 | break; |
206 | case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */ | |
b82ca578 LPC |
207 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
208 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
a1533d94 BS |
209 | break; |
210 | case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */ | |
b82ca578 LPC |
211 | adc_fmt |= AD193X_ADC_BCLK_MASTER; |
212 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
213 | break; |
214 | case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */ | |
a1533d94 BS |
215 | break; |
216 | default: | |
217 | return -EINVAL; | |
218 | } | |
219 | ||
34cbe168 LPC |
220 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, |
221 | AD193X_ADC_SERFMT_MASK, adc_serfmt); | |
222 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
223 | AD193X_ADC_FMT_MASK, adc_fmt); | |
224 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, | |
225 | AD193X_DAC_FMT_MASK, dac_fmt); | |
a1533d94 BS |
226 | |
227 | return 0; | |
228 | } | |
229 | ||
fab90aa4 BS |
230 | static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
231 | int clk_id, unsigned int freq, int dir) | |
232 | { | |
233 | struct snd_soc_codec *codec = codec_dai->codec; | |
234 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); | |
235 | switch (freq) { | |
236 | case 12288000: | |
237 | case 18432000: | |
238 | case 24576000: | |
239 | case 36864000: | |
240 | ad193x->sysclk = freq; | |
241 | return 0; | |
242 | } | |
243 | return -EINVAL; | |
244 | } | |
245 | ||
a1533d94 BS |
246 | static int ad193x_hw_params(struct snd_pcm_substream *substream, |
247 | struct snd_pcm_hw_params *params, | |
248 | struct snd_soc_dai *dai) | |
249 | { | |
54c96cfd | 250 | int word_len = 0, master_rate = 0; |
e6968a17 | 251 | struct snd_soc_codec *codec = dai->codec; |
fab90aa4 | 252 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 BS |
253 | |
254 | /* bit size */ | |
d4dd1fdf MB |
255 | switch (params_width(params)) { |
256 | case 16: | |
a1533d94 BS |
257 | word_len = 3; |
258 | break; | |
d4dd1fdf | 259 | case 20: |
a1533d94 BS |
260 | word_len = 1; |
261 | break; | |
d4dd1fdf MB |
262 | case 24: |
263 | case 32: | |
a1533d94 BS |
264 | word_len = 0; |
265 | break; | |
266 | } | |
267 | ||
fab90aa4 BS |
268 | switch (ad193x->sysclk) { |
269 | case 12288000: | |
270 | master_rate = AD193X_PLL_INPUT_256; | |
271 | break; | |
272 | case 18432000: | |
273 | master_rate = AD193X_PLL_INPUT_384; | |
274 | break; | |
275 | case 24576000: | |
276 | master_rate = AD193X_PLL_INPUT_512; | |
277 | break; | |
278 | case 36864000: | |
279 | master_rate = AD193X_PLL_INPUT_768; | |
280 | break; | |
281 | } | |
282 | ||
34cbe168 | 283 | regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0, |
54c96cfd | 284 | AD193X_PLL_INPUT_MASK, master_rate); |
fab90aa4 | 285 | |
34cbe168 | 286 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
287 | AD193X_DAC_WORD_LEN_MASK, |
288 | word_len << AD193X_DAC_WORD_LEN_SHFT); | |
a1533d94 | 289 | |
34cbe168 | 290 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, |
54c96cfd | 291 | AD193X_ADC_WORD_LEN_MASK, word_len); |
a1533d94 BS |
292 | |
293 | return 0; | |
294 | } | |
295 | ||
85e7652d | 296 | static const struct snd_soc_dai_ops ad193x_dai_ops = { |
9dd7b79a BS |
297 | .hw_params = ad193x_hw_params, |
298 | .digital_mute = ad193x_mute, | |
299 | .set_tdm_slot = ad193x_set_tdm_slot, | |
fab90aa4 | 300 | .set_sysclk = ad193x_set_dai_sysclk, |
9dd7b79a BS |
301 | .set_fmt = ad193x_set_dai_fmt, |
302 | }; | |
303 | ||
304 | /* codec DAI instance */ | |
f0fba2ad LG |
305 | static struct snd_soc_dai_driver ad193x_dai = { |
306 | .name = "ad193x-hifi", | |
9dd7b79a BS |
307 | .playback = { |
308 | .stream_name = "Playback", | |
309 | .channels_min = 2, | |
310 | .channels_max = 8, | |
311 | .rates = SNDRV_PCM_RATE_48000, | |
312 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
313 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
314 | }, | |
315 | .capture = { | |
316 | .stream_name = "Capture", | |
317 | .channels_min = 2, | |
318 | .channels_max = 4, | |
319 | .rates = SNDRV_PCM_RATE_48000, | |
320 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
321 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
322 | }, | |
323 | .ops = &ad193x_dai_ops, | |
324 | }; | |
9dd7b79a | 325 | |
6c3d713e | 326 | static int ad193x_codec_probe(struct snd_soc_codec *codec) |
a1533d94 | 327 | { |
f0fba2ad | 328 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 | 329 | |
f0fba2ad | 330 | /* default setting for ad193x */ |
a1533d94 | 331 | |
f0fba2ad | 332 | /* unmute dac channels */ |
34cbe168 | 333 | regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0); |
f0fba2ad | 334 | /* de-emphasis: 48kHz, powedown dac */ |
34cbe168 | 335 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A); |
bdb2c74d LPC |
336 | /* dac in tdm mode */ |
337 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40); | |
f0fba2ad | 338 | /* high-pass filter enable */ |
34cbe168 | 339 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3); |
f0fba2ad | 340 | /* sata delay=1, adc aux mode */ |
34cbe168 | 341 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43); |
f0fba2ad | 342 | /* pll input: mclki/xi */ |
34cbe168 LPC |
343 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ |
344 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04); | |
a1533d94 | 345 | |
5d6be5aa | 346 | return 0; |
a1533d94 BS |
347 | } |
348 | ||
f0fba2ad | 349 | static struct snd_soc_codec_driver soc_codec_dev_ad193x = { |
6c3d713e | 350 | .probe = ad193x_codec_probe, |
b90d4183 LPC |
351 | .controls = ad193x_snd_controls, |
352 | .num_controls = ARRAY_SIZE(ad193x_snd_controls), | |
353 | .dapm_widgets = ad193x_dapm_widgets, | |
354 | .num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets), | |
355 | .dapm_routes = audio_paths, | |
356 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
a1533d94 | 357 | }; |
a1533d94 | 358 | |
34cbe168 LPC |
359 | static bool adau193x_reg_volatile(struct device *dev, unsigned int reg) |
360 | { | |
361 | return false; | |
362 | } | |
363 | ||
6c3d713e | 364 | const struct regmap_config ad193x_regmap_config = { |
34cbe168 LPC |
365 | .max_register = AD193X_NUM_REGS - 1, |
366 | .volatile_reg = adau193x_reg_volatile, | |
30ab1e78 | 367 | }; |
6c3d713e | 368 | EXPORT_SYMBOL_GPL(ad193x_regmap_config); |
30ab1e78 | 369 | |
6c3d713e | 370 | int ad193x_probe(struct device *dev, struct regmap *regmap) |
a1533d94 | 371 | { |
f0fba2ad | 372 | struct ad193x_priv *ad193x; |
f0fba2ad | 373 | |
6c3d713e LPC |
374 | if (IS_ERR(regmap)) |
375 | return PTR_ERR(regmap); | |
a1533d94 | 376 | |
6c3d713e | 377 | ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL); |
f0fba2ad LG |
378 | if (ad193x == NULL) |
379 | return -ENOMEM; | |
380 | ||
6c3d713e | 381 | ad193x->regmap = regmap; |
a1533d94 | 382 | |
6c3d713e | 383 | dev_set_drvdata(dev, ad193x); |
a1533d94 | 384 | |
6c3d713e LPC |
385 | return snd_soc_register_codec(dev, &soc_codec_dev_ad193x, |
386 | &ad193x_dai, 1); | |
a1533d94 | 387 | } |
6c3d713e | 388 | EXPORT_SYMBOL_GPL(ad193x_probe); |
a1533d94 BS |
389 | |
390 | MODULE_DESCRIPTION("ASoC ad193x driver"); | |
391 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); | |
392 | MODULE_LICENSE("GPL"); |