Commit | Line | Data |
---|---|---|
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; |
e5224f58 | 26 | enum ad193x_type type; |
f0fba2ad | 27 | int sysclk; |
a1533d94 BS |
28 | }; |
29 | ||
a1533d94 BS |
30 | /* |
31 | * AD193X volume/mute/de-emphasis etc. controls | |
32 | */ | |
c4e7a4a2 | 33 | static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"}; |
a1533d94 | 34 | |
b6592d88 TI |
35 | static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1, |
36 | ad193x_deemp); | |
a1533d94 | 37 | |
591c034a LPC |
38 | static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0); |
39 | ||
a1533d94 BS |
40 | static const struct snd_kcontrol_new ad193x_snd_controls[] = { |
41 | /* DAC volume control */ | |
591c034a LPC |
42 | SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL, |
43 | AD193X_DAC_R1_VOL, 0, 0xFF, 1, adau193x_tlv), | |
44 | SOC_DOUBLE_R_TLV("DAC2 Volume", AD193X_DAC_L2_VOL, | |
45 | AD193X_DAC_R2_VOL, 0, 0xFF, 1, adau193x_tlv), | |
46 | SOC_DOUBLE_R_TLV("DAC3 Volume", AD193X_DAC_L3_VOL, | |
47 | AD193X_DAC_R3_VOL, 0, 0xFF, 1, adau193x_tlv), | |
48 | SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL, | |
49 | AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv), | |
a1533d94 | 50 | |
a1533d94 BS |
51 | /* DAC switch control */ |
52 | SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE, | |
53 | AD193X_DACR1_MUTE, 1, 1), | |
54 | SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE, | |
55 | AD193X_DACR2_MUTE, 1, 1), | |
56 | SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE, | |
57 | AD193X_DACR3_MUTE, 1, 1), | |
58 | SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE, | |
59 | AD193X_DACR4_MUTE, 1, 1), | |
60 | ||
e5224f58 CP |
61 | /* DAC de-emphasis */ |
62 | SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum), | |
63 | }; | |
64 | ||
65 | static const struct snd_kcontrol_new ad193x_adc_snd_controls[] = { | |
66 | /* ADC switch control */ | |
67 | SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE, | |
68 | AD193X_ADCR1_MUTE, 1, 1), | |
69 | SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE, | |
70 | AD193X_ADCR2_MUTE, 1, 1), | |
71 | ||
a1533d94 BS |
72 | /* ADC high-pass filter */ |
73 | SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0, | |
74 | AD193X_ADC_HIGHPASS_FILTER, 1, 0), | |
a1533d94 BS |
75 | }; |
76 | ||
77 | static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = { | |
1b86a3fa LPC |
78 | SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0), |
79 | SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0), | |
a1533d94 | 80 | SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0), |
0718fd27 | 81 | SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0), |
1b86a3fa | 82 | SND_SOC_DAPM_VMID("VMID"), |
a1533d94 BS |
83 | SND_SOC_DAPM_OUTPUT("DAC1OUT"), |
84 | SND_SOC_DAPM_OUTPUT("DAC2OUT"), | |
85 | SND_SOC_DAPM_OUTPUT("DAC3OUT"), | |
86 | SND_SOC_DAPM_OUTPUT("DAC4OUT"), | |
e5224f58 CP |
87 | }; |
88 | ||
89 | static const struct snd_soc_dapm_widget ad193x_adc_widgets[] = { | |
90 | SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), | |
91 | SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0), | |
a1533d94 BS |
92 | SND_SOC_DAPM_INPUT("ADC1IN"), |
93 | SND_SOC_DAPM_INPUT("ADC2IN"), | |
94 | }; | |
95 | ||
96 | static const struct snd_soc_dapm_route audio_paths[] = { | |
0718fd27 | 97 | { "DAC", NULL, "SYSCLK" }, |
1b86a3fa LPC |
98 | { "DAC Output", NULL, "DAC" }, |
99 | { "DAC Output", NULL, "VMID" }, | |
1b86a3fa LPC |
100 | { "DAC1OUT", NULL, "DAC Output" }, |
101 | { "DAC2OUT", NULL, "DAC Output" }, | |
102 | { "DAC3OUT", NULL, "DAC Output" }, | |
103 | { "DAC4OUT", NULL, "DAC Output" }, | |
e5224f58 CP |
104 | { "SYSCLK", NULL, "PLL_PWR" }, |
105 | }; | |
106 | ||
107 | static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = { | |
108 | { "ADC", NULL, "SYSCLK" }, | |
109 | { "ADC", NULL, "ADC_PWR" }, | |
b21990b4 LPC |
110 | { "ADC", NULL, "ADC1IN" }, |
111 | { "ADC", NULL, "ADC2IN" }, | |
a1533d94 BS |
112 | }; |
113 | ||
e5224f58 CP |
114 | static inline bool ad193x_has_adc(const struct ad193x_priv *ad193x) |
115 | { | |
116 | switch (ad193x->type) { | |
117 | case AD1933: | |
118 | case AD1934: | |
119 | return false; | |
120 | default: | |
121 | break; | |
122 | } | |
123 | ||
124 | return true; | |
125 | } | |
126 | ||
a1533d94 BS |
127 | /* |
128 | * DAI ops entries | |
129 | */ | |
130 | ||
131 | static int ad193x_mute(struct snd_soc_dai *dai, int mute) | |
132 | { | |
34cbe168 | 133 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
a1533d94 | 134 | |
54c96cfd | 135 | if (mute) |
34cbe168 | 136 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
137 | AD193X_DAC_MASTER_MUTE, |
138 | AD193X_DAC_MASTER_MUTE); | |
139 | else | |
34cbe168 | 140 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd | 141 | AD193X_DAC_MASTER_MUTE, 0); |
a1533d94 BS |
142 | |
143 | return 0; | |
144 | } | |
145 | ||
146 | static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | |
147 | unsigned int rx_mask, int slots, int width) | |
148 | { | |
34cbe168 | 149 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(dai->codec); |
b82ca578 | 150 | unsigned int channels; |
a1533d94 BS |
151 | |
152 | switch (slots) { | |
153 | case 2: | |
b82ca578 | 154 | channels = AD193X_2_CHANNELS; |
a1533d94 BS |
155 | break; |
156 | case 4: | |
b82ca578 | 157 | channels = AD193X_4_CHANNELS; |
a1533d94 BS |
158 | break; |
159 | case 8: | |
b82ca578 | 160 | channels = AD193X_8_CHANNELS; |
a1533d94 BS |
161 | break; |
162 | case 16: | |
b82ca578 | 163 | channels = AD193X_16_CHANNELS; |
a1533d94 BS |
164 | break; |
165 | default: | |
166 | return -EINVAL; | |
167 | } | |
168 | ||
34cbe168 LPC |
169 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, |
170 | AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT); | |
e5224f58 CP |
171 | if (ad193x_has_adc(ad193x)) |
172 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
173 | AD193X_ADC_CHAN_MASK, | |
174 | channels << AD193X_ADC_CHAN_SHFT); | |
a1533d94 BS |
175 | |
176 | return 0; | |
177 | } | |
178 | ||
179 | static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
180 | unsigned int fmt) | |
181 | { | |
34cbe168 | 182 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec_dai->codec); |
b82ca578 LPC |
183 | unsigned int adc_serfmt = 0; |
184 | unsigned int adc_fmt = 0; | |
185 | unsigned int dac_fmt = 0; | |
a1533d94 BS |
186 | |
187 | /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S | |
188 | * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) | |
189 | */ | |
190 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
191 | case SND_SOC_DAIFMT_I2S: | |
b82ca578 | 192 | adc_serfmt |= AD193X_ADC_SERFMT_TDM; |
a1533d94 BS |
193 | break; |
194 | case SND_SOC_DAIFMT_DSP_A: | |
b82ca578 | 195 | adc_serfmt |= AD193X_ADC_SERFMT_AUX; |
a1533d94 BS |
196 | break; |
197 | default: | |
e5224f58 CP |
198 | if (ad193x_has_adc(ad193x)) |
199 | return -EINVAL; | |
200 | break; | |
a1533d94 BS |
201 | } |
202 | ||
203 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
204 | case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */ | |
a1533d94 BS |
205 | break; |
206 | case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */ | |
b82ca578 LPC |
207 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
208 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
a1533d94 BS |
209 | break; |
210 | case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */ | |
b82ca578 LPC |
211 | adc_fmt |= AD193X_ADC_BCLK_INV; |
212 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 | 213 | break; |
a1533d94 | 214 | case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */ |
b82ca578 LPC |
215 | adc_fmt |= AD193X_ADC_LEFT_HIGH; |
216 | adc_fmt |= AD193X_ADC_BCLK_INV; | |
217 | dac_fmt |= AD193X_DAC_LEFT_HIGH; | |
218 | dac_fmt |= AD193X_DAC_BCLK_INV; | |
a1533d94 BS |
219 | break; |
220 | default: | |
221 | return -EINVAL; | |
222 | } | |
223 | ||
224 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
225 | case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ | |
b82ca578 LPC |
226 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
227 | adc_fmt |= AD193X_ADC_BCLK_MASTER; | |
228 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
229 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
230 | break; |
231 | case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */ | |
b82ca578 LPC |
232 | adc_fmt |= AD193X_ADC_LCR_MASTER; |
233 | dac_fmt |= AD193X_DAC_LCR_MASTER; | |
a1533d94 BS |
234 | break; |
235 | case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */ | |
b82ca578 LPC |
236 | adc_fmt |= AD193X_ADC_BCLK_MASTER; |
237 | dac_fmt |= AD193X_DAC_BCLK_MASTER; | |
a1533d94 BS |
238 | break; |
239 | case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */ | |
a1533d94 BS |
240 | break; |
241 | default: | |
242 | return -EINVAL; | |
243 | } | |
244 | ||
e5224f58 CP |
245 | if (ad193x_has_adc(ad193x)) { |
246 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, | |
247 | AD193X_ADC_SERFMT_MASK, adc_serfmt); | |
248 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2, | |
249 | AD193X_ADC_FMT_MASK, adc_fmt); | |
250 | } | |
34cbe168 LPC |
251 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1, |
252 | AD193X_DAC_FMT_MASK, dac_fmt); | |
a1533d94 BS |
253 | |
254 | return 0; | |
255 | } | |
256 | ||
fab90aa4 BS |
257 | static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
258 | int clk_id, unsigned int freq, int dir) | |
259 | { | |
260 | struct snd_soc_codec *codec = codec_dai->codec; | |
261 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); | |
262 | switch (freq) { | |
263 | case 12288000: | |
264 | case 18432000: | |
265 | case 24576000: | |
266 | case 36864000: | |
267 | ad193x->sysclk = freq; | |
268 | return 0; | |
269 | } | |
270 | return -EINVAL; | |
271 | } | |
272 | ||
a1533d94 BS |
273 | static int ad193x_hw_params(struct snd_pcm_substream *substream, |
274 | struct snd_pcm_hw_params *params, | |
275 | struct snd_soc_dai *dai) | |
276 | { | |
54c96cfd | 277 | int word_len = 0, master_rate = 0; |
e6968a17 | 278 | struct snd_soc_codec *codec = dai->codec; |
fab90aa4 | 279 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 BS |
280 | |
281 | /* bit size */ | |
d4dd1fdf MB |
282 | switch (params_width(params)) { |
283 | case 16: | |
a1533d94 BS |
284 | word_len = 3; |
285 | break; | |
d4dd1fdf | 286 | case 20: |
a1533d94 BS |
287 | word_len = 1; |
288 | break; | |
d4dd1fdf MB |
289 | case 24: |
290 | case 32: | |
a1533d94 BS |
291 | word_len = 0; |
292 | break; | |
293 | } | |
294 | ||
fab90aa4 BS |
295 | switch (ad193x->sysclk) { |
296 | case 12288000: | |
297 | master_rate = AD193X_PLL_INPUT_256; | |
298 | break; | |
299 | case 18432000: | |
300 | master_rate = AD193X_PLL_INPUT_384; | |
301 | break; | |
302 | case 24576000: | |
303 | master_rate = AD193X_PLL_INPUT_512; | |
304 | break; | |
305 | case 36864000: | |
306 | master_rate = AD193X_PLL_INPUT_768; | |
307 | break; | |
308 | } | |
309 | ||
34cbe168 | 310 | regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0, |
54c96cfd | 311 | AD193X_PLL_INPUT_MASK, master_rate); |
fab90aa4 | 312 | |
34cbe168 | 313 | regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2, |
54c96cfd AL |
314 | AD193X_DAC_WORD_LEN_MASK, |
315 | word_len << AD193X_DAC_WORD_LEN_SHFT); | |
a1533d94 | 316 | |
e5224f58 CP |
317 | if (ad193x_has_adc(ad193x)) |
318 | regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1, | |
319 | AD193X_ADC_WORD_LEN_MASK, word_len); | |
a1533d94 BS |
320 | |
321 | return 0; | |
322 | } | |
323 | ||
85e7652d | 324 | static const struct snd_soc_dai_ops ad193x_dai_ops = { |
9dd7b79a BS |
325 | .hw_params = ad193x_hw_params, |
326 | .digital_mute = ad193x_mute, | |
327 | .set_tdm_slot = ad193x_set_tdm_slot, | |
fab90aa4 | 328 | .set_sysclk = ad193x_set_dai_sysclk, |
9dd7b79a BS |
329 | .set_fmt = ad193x_set_dai_fmt, |
330 | }; | |
331 | ||
332 | /* codec DAI instance */ | |
f0fba2ad LG |
333 | static struct snd_soc_dai_driver ad193x_dai = { |
334 | .name = "ad193x-hifi", | |
9dd7b79a BS |
335 | .playback = { |
336 | .stream_name = "Playback", | |
337 | .channels_min = 2, | |
338 | .channels_max = 8, | |
339 | .rates = SNDRV_PCM_RATE_48000, | |
340 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
341 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
342 | }, | |
343 | .capture = { | |
344 | .stream_name = "Capture", | |
345 | .channels_min = 2, | |
346 | .channels_max = 4, | |
347 | .rates = SNDRV_PCM_RATE_48000, | |
348 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
349 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
350 | }, | |
351 | .ops = &ad193x_dai_ops, | |
352 | }; | |
9dd7b79a | 353 | |
6c3d713e | 354 | static int ad193x_codec_probe(struct snd_soc_codec *codec) |
a1533d94 | 355 | { |
f0fba2ad | 356 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
e5224f58 CP |
357 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); |
358 | int num, ret; | |
a1533d94 | 359 | |
f0fba2ad | 360 | /* default setting for ad193x */ |
a1533d94 | 361 | |
f0fba2ad | 362 | /* unmute dac channels */ |
34cbe168 | 363 | regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0); |
f0fba2ad | 364 | /* de-emphasis: 48kHz, powedown dac */ |
34cbe168 | 365 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A); |
bdb2c74d LPC |
366 | /* dac in tdm mode */ |
367 | regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40); | |
e5224f58 CP |
368 | |
369 | /* adc only */ | |
370 | if (ad193x_has_adc(ad193x)) { | |
371 | /* high-pass filter enable */ | |
372 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3); | |
373 | /* sata delay=1, adc aux mode */ | |
374 | regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43); | |
375 | } | |
376 | ||
f0fba2ad | 377 | /* pll input: mclki/xi */ |
34cbe168 LPC |
378 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ |
379 | regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04); | |
a1533d94 | 380 | |
e5224f58 CP |
381 | /* adc only */ |
382 | if (ad193x_has_adc(ad193x)) { | |
383 | /* add adc controls */ | |
384 | num = ARRAY_SIZE(ad193x_adc_snd_controls); | |
385 | ret = snd_soc_add_codec_controls(codec, | |
386 | ad193x_adc_snd_controls, | |
387 | num); | |
388 | if (ret) | |
389 | return ret; | |
390 | ||
391 | /* add adc widgets */ | |
392 | num = ARRAY_SIZE(ad193x_adc_widgets); | |
393 | ret = snd_soc_dapm_new_controls(dapm, | |
394 | ad193x_adc_widgets, | |
395 | num); | |
396 | if (ret) | |
397 | return ret; | |
398 | ||
399 | /* add adc routes */ | |
400 | num = ARRAY_SIZE(ad193x_adc_audio_paths); | |
401 | ret = snd_soc_dapm_add_routes(dapm, | |
402 | ad193x_adc_audio_paths, | |
403 | num); | |
404 | if (ret) | |
405 | return ret; | |
406 | } | |
407 | ||
5d6be5aa | 408 | return 0; |
a1533d94 BS |
409 | } |
410 | ||
f0fba2ad | 411 | static struct snd_soc_codec_driver soc_codec_dev_ad193x = { |
6c3d713e | 412 | .probe = ad193x_codec_probe, |
b90d4183 LPC |
413 | .controls = ad193x_snd_controls, |
414 | .num_controls = ARRAY_SIZE(ad193x_snd_controls), | |
415 | .dapm_widgets = ad193x_dapm_widgets, | |
416 | .num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets), | |
417 | .dapm_routes = audio_paths, | |
418 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
a1533d94 | 419 | }; |
a1533d94 | 420 | |
6c3d713e | 421 | const struct regmap_config ad193x_regmap_config = { |
34cbe168 | 422 | .max_register = AD193X_NUM_REGS - 1, |
30ab1e78 | 423 | }; |
6c3d713e | 424 | EXPORT_SYMBOL_GPL(ad193x_regmap_config); |
30ab1e78 | 425 | |
e5224f58 CP |
426 | int ad193x_probe(struct device *dev, struct regmap *regmap, |
427 | enum ad193x_type type) | |
a1533d94 | 428 | { |
f0fba2ad | 429 | struct ad193x_priv *ad193x; |
f0fba2ad | 430 | |
6c3d713e LPC |
431 | if (IS_ERR(regmap)) |
432 | return PTR_ERR(regmap); | |
a1533d94 | 433 | |
6c3d713e | 434 | ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL); |
f0fba2ad LG |
435 | if (ad193x == NULL) |
436 | return -ENOMEM; | |
437 | ||
6c3d713e | 438 | ad193x->regmap = regmap; |
e5224f58 | 439 | ad193x->type = type; |
a1533d94 | 440 | |
6c3d713e | 441 | dev_set_drvdata(dev, ad193x); |
a1533d94 | 442 | |
6c3d713e LPC |
443 | return snd_soc_register_codec(dev, &soc_codec_dev_ad193x, |
444 | &ad193x_dai, 1); | |
a1533d94 | 445 | } |
6c3d713e | 446 | EXPORT_SYMBOL_GPL(ad193x_probe); |
a1533d94 BS |
447 | |
448 | MODULE_DESCRIPTION("ASoC ad193x driver"); | |
449 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); | |
450 | MODULE_LICENSE("GPL"); |