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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 | ||
9 | #include <linux/init.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/device.h> | |
13 | #include <linux/i2c.h> | |
14 | #include <linux/spi/spi.h> | |
1b132ea0 | 15 | #include <linux/slab.h> |
a1533d94 BS |
16 | #include <sound/core.h> |
17 | #include <sound/pcm.h> | |
18 | #include <sound/pcm_params.h> | |
19 | #include <sound/initval.h> | |
20 | #include <sound/soc.h> | |
21 | #include <sound/tlv.h> | |
22 | #include <sound/soc-dapm.h> | |
23 | #include "ad193x.h" | |
24 | ||
25 | /* codec private data */ | |
26 | struct ad193x_priv { | |
a1533d94 | 27 | u8 reg_cache[AD193X_NUM_REGS]; |
f0fba2ad LG |
28 | enum snd_soc_control_type bus_type; |
29 | void *control_data; | |
30 | int sysclk; | |
a1533d94 BS |
31 | }; |
32 | ||
33 | /* ad193x register cache & default register settings */ | |
34 | static const u8 ad193x_reg[AD193X_NUM_REGS] = { | |
35 | 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, | |
36 | }; | |
37 | ||
a1533d94 BS |
38 | /* |
39 | * AD193X volume/mute/de-emphasis etc. controls | |
40 | */ | |
41 | static const char *ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"}; | |
42 | ||
43 | static const struct soc_enum ad193x_deemp_enum = | |
44 | SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, ad193x_deemp); | |
45 | ||
46 | static const struct snd_kcontrol_new ad193x_snd_controls[] = { | |
47 | /* DAC volume control */ | |
ba0a24e7 | 48 | SOC_DOUBLE_R("DAC1 Volume", AD193X_DAC_L1_VOL, |
a1533d94 | 49 | AD193X_DAC_R1_VOL, 0, 0xFF, 1), |
ba0a24e7 | 50 | SOC_DOUBLE_R("DAC2 Volume", AD193X_DAC_L2_VOL, |
a1533d94 | 51 | AD193X_DAC_R2_VOL, 0, 0xFF, 1), |
ba0a24e7 | 52 | SOC_DOUBLE_R("DAC3 Volume", AD193X_DAC_L3_VOL, |
a1533d94 | 53 | AD193X_DAC_R3_VOL, 0, 0xFF, 1), |
ba0a24e7 | 54 | SOC_DOUBLE_R("DAC4 Volume", AD193X_DAC_L4_VOL, |
a1533d94 BS |
55 | AD193X_DAC_R4_VOL, 0, 0xFF, 1), |
56 | ||
57 | /* ADC switch control */ | |
58 | SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE, | |
59 | AD193X_ADCR1_MUTE, 1, 1), | |
60 | SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE, | |
61 | AD193X_ADCR2_MUTE, 1, 1), | |
62 | ||
63 | /* DAC switch control */ | |
64 | SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE, | |
65 | AD193X_DACR1_MUTE, 1, 1), | |
66 | SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE, | |
67 | AD193X_DACR2_MUTE, 1, 1), | |
68 | SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE, | |
69 | AD193X_DACR3_MUTE, 1, 1), | |
70 | SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE, | |
71 | AD193X_DACR4_MUTE, 1, 1), | |
72 | ||
73 | /* ADC high-pass filter */ | |
74 | SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0, | |
75 | AD193X_ADC_HIGHPASS_FILTER, 1, 0), | |
76 | ||
77 | /* DAC de-emphasis */ | |
78 | SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum), | |
79 | }; | |
80 | ||
81 | static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = { | |
82 | SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1), | |
83 | SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), | |
84 | SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0), | |
85 | SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0), | |
86 | SND_SOC_DAPM_OUTPUT("DAC1OUT"), | |
87 | SND_SOC_DAPM_OUTPUT("DAC2OUT"), | |
88 | SND_SOC_DAPM_OUTPUT("DAC3OUT"), | |
89 | SND_SOC_DAPM_OUTPUT("DAC4OUT"), | |
90 | SND_SOC_DAPM_INPUT("ADC1IN"), | |
91 | SND_SOC_DAPM_INPUT("ADC2IN"), | |
92 | }; | |
93 | ||
94 | static const struct snd_soc_dapm_route audio_paths[] = { | |
95 | { "DAC", NULL, "PLL_PWR" }, | |
96 | { "ADC", NULL, "PLL_PWR" }, | |
97 | { "DAC", NULL, "ADC_PWR" }, | |
98 | { "ADC", NULL, "ADC_PWR" }, | |
99 | { "DAC1OUT", "DAC1 Switch", "DAC" }, | |
100 | { "DAC2OUT", "DAC2 Switch", "DAC" }, | |
101 | { "DAC3OUT", "DAC3 Switch", "DAC" }, | |
102 | { "DAC4OUT", "DAC4 Switch", "DAC" }, | |
103 | { "ADC", "ADC1 Switch", "ADC1IN" }, | |
104 | { "ADC", "ADC2 Switch", "ADC2IN" }, | |
105 | }; | |
106 | ||
107 | /* | |
108 | * DAI ops entries | |
109 | */ | |
110 | ||
111 | static int ad193x_mute(struct snd_soc_dai *dai, int mute) | |
112 | { | |
113 | struct snd_soc_codec *codec = dai->codec; | |
114 | int reg; | |
115 | ||
116 | reg = snd_soc_read(codec, AD193X_DAC_CTRL2); | |
117 | reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg & | |
118 | (~AD193X_DAC_MASTER_MUTE); | |
119 | snd_soc_write(codec, AD193X_DAC_CTRL2, reg); | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | |
125 | unsigned int rx_mask, int slots, int width) | |
126 | { | |
127 | struct snd_soc_codec *codec = dai->codec; | |
128 | int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1); | |
129 | int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2); | |
130 | ||
131 | dac_reg &= ~AD193X_DAC_CHAN_MASK; | |
132 | adc_reg &= ~AD193X_ADC_CHAN_MASK; | |
133 | ||
134 | switch (slots) { | |
135 | case 2: | |
136 | dac_reg |= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
137 | adc_reg |= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
138 | break; | |
139 | case 4: | |
140 | dac_reg |= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
141 | adc_reg |= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
142 | break; | |
143 | case 8: | |
144 | dac_reg |= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
145 | adc_reg |= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
146 | break; | |
147 | case 16: | |
148 | dac_reg |= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
149 | adc_reg |= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
150 | break; | |
151 | default: | |
152 | return -EINVAL; | |
153 | } | |
154 | ||
155 | snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg); | |
156 | snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg); | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
161 | static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
162 | unsigned int fmt) | |
163 | { | |
164 | struct snd_soc_codec *codec = codec_dai->codec; | |
d6bdc0f7 | 165 | int adc_reg1, adc_reg2, dac_reg; |
a1533d94 | 166 | |
d6bdc0f7 BS |
167 | adc_reg1 = snd_soc_read(codec, AD193X_ADC_CTRL1); |
168 | adc_reg2 = snd_soc_read(codec, AD193X_ADC_CTRL2); | |
a1533d94 BS |
169 | dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1); |
170 | ||
171 | /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S | |
172 | * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) | |
173 | */ | |
174 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
175 | case SND_SOC_DAIFMT_I2S: | |
d6bdc0f7 BS |
176 | adc_reg1 &= ~AD193X_ADC_SERFMT_MASK; |
177 | adc_reg1 |= AD193X_ADC_SERFMT_TDM; | |
a1533d94 BS |
178 | break; |
179 | case SND_SOC_DAIFMT_DSP_A: | |
d6bdc0f7 BS |
180 | adc_reg1 &= ~AD193X_ADC_SERFMT_MASK; |
181 | adc_reg1 |= AD193X_ADC_SERFMT_AUX; | |
a1533d94 BS |
182 | break; |
183 | default: | |
184 | return -EINVAL; | |
185 | } | |
186 | ||
187 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
188 | case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */ | |
d6bdc0f7 BS |
189 | adc_reg2 &= ~AD193X_ADC_LEFT_HIGH; |
190 | adc_reg2 &= ~AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
191 | dac_reg &= ~AD193X_DAC_LEFT_HIGH; |
192 | dac_reg &= ~AD193X_DAC_BCLK_INV; | |
193 | break; | |
194 | case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */ | |
d6bdc0f7 BS |
195 | adc_reg2 |= AD193X_ADC_LEFT_HIGH; |
196 | adc_reg2 &= ~AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
197 | dac_reg |= AD193X_DAC_LEFT_HIGH; |
198 | dac_reg &= ~AD193X_DAC_BCLK_INV; | |
199 | break; | |
200 | case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */ | |
d6bdc0f7 BS |
201 | adc_reg2 &= ~AD193X_ADC_LEFT_HIGH; |
202 | adc_reg2 |= AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
203 | dac_reg &= ~AD193X_DAC_LEFT_HIGH; |
204 | dac_reg |= AD193X_DAC_BCLK_INV; | |
205 | break; | |
206 | ||
207 | case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */ | |
d6bdc0f7 BS |
208 | adc_reg2 |= AD193X_ADC_LEFT_HIGH; |
209 | adc_reg2 |= AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
210 | dac_reg |= AD193X_DAC_LEFT_HIGH; |
211 | dac_reg |= AD193X_DAC_BCLK_INV; | |
212 | break; | |
213 | default: | |
214 | return -EINVAL; | |
215 | } | |
216 | ||
217 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
218 | case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ | |
d6bdc0f7 BS |
219 | adc_reg2 |= AD193X_ADC_LCR_MASTER; |
220 | adc_reg2 |= AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
221 | dac_reg |= AD193X_DAC_LCR_MASTER; |
222 | dac_reg |= AD193X_DAC_BCLK_MASTER; | |
223 | break; | |
224 | case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */ | |
d6bdc0f7 BS |
225 | adc_reg2 |= AD193X_ADC_LCR_MASTER; |
226 | adc_reg2 &= ~AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
227 | dac_reg |= AD193X_DAC_LCR_MASTER; |
228 | dac_reg &= ~AD193X_DAC_BCLK_MASTER; | |
229 | break; | |
230 | case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */ | |
d6bdc0f7 BS |
231 | adc_reg2 &= ~AD193X_ADC_LCR_MASTER; |
232 | adc_reg2 |= AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
233 | dac_reg &= ~AD193X_DAC_LCR_MASTER; |
234 | dac_reg |= AD193X_DAC_BCLK_MASTER; | |
235 | break; | |
236 | case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */ | |
d6bdc0f7 BS |
237 | adc_reg2 &= ~AD193X_ADC_LCR_MASTER; |
238 | adc_reg2 &= ~AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
239 | dac_reg &= ~AD193X_DAC_LCR_MASTER; |
240 | dac_reg &= ~AD193X_DAC_BCLK_MASTER; | |
241 | break; | |
242 | default: | |
243 | return -EINVAL; | |
244 | } | |
245 | ||
d6bdc0f7 BS |
246 | snd_soc_write(codec, AD193X_ADC_CTRL1, adc_reg1); |
247 | snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg2); | |
a1533d94 BS |
248 | snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg); |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
fab90aa4 BS |
253 | static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
254 | int clk_id, unsigned int freq, int dir) | |
255 | { | |
256 | struct snd_soc_codec *codec = codec_dai->codec; | |
257 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); | |
258 | switch (freq) { | |
259 | case 12288000: | |
260 | case 18432000: | |
261 | case 24576000: | |
262 | case 36864000: | |
263 | ad193x->sysclk = freq; | |
264 | return 0; | |
265 | } | |
266 | return -EINVAL; | |
267 | } | |
268 | ||
a1533d94 BS |
269 | static int ad193x_hw_params(struct snd_pcm_substream *substream, |
270 | struct snd_pcm_hw_params *params, | |
271 | struct snd_soc_dai *dai) | |
272 | { | |
fab90aa4 | 273 | int word_len = 0, reg = 0, master_rate = 0; |
a1533d94 BS |
274 | |
275 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 276 | struct snd_soc_codec *codec = rtd->codec; |
fab90aa4 | 277 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 BS |
278 | |
279 | /* bit size */ | |
280 | switch (params_format(params)) { | |
281 | case SNDRV_PCM_FORMAT_S16_LE: | |
282 | word_len = 3; | |
283 | break; | |
284 | case SNDRV_PCM_FORMAT_S20_3LE: | |
285 | word_len = 1; | |
286 | break; | |
287 | case SNDRV_PCM_FORMAT_S24_LE: | |
288 | case SNDRV_PCM_FORMAT_S32_LE: | |
289 | word_len = 0; | |
290 | break; | |
291 | } | |
292 | ||
fab90aa4 BS |
293 | switch (ad193x->sysclk) { |
294 | case 12288000: | |
295 | master_rate = AD193X_PLL_INPUT_256; | |
296 | break; | |
297 | case 18432000: | |
298 | master_rate = AD193X_PLL_INPUT_384; | |
299 | break; | |
300 | case 24576000: | |
301 | master_rate = AD193X_PLL_INPUT_512; | |
302 | break; | |
303 | case 36864000: | |
304 | master_rate = AD193X_PLL_INPUT_768; | |
305 | break; | |
306 | } | |
307 | ||
308 | reg = snd_soc_read(codec, AD193X_PLL_CLK_CTRL0); | |
309 | reg = (reg & AD193X_PLL_INPUT_MASK) | master_rate; | |
310 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, reg); | |
311 | ||
a1533d94 BS |
312 | reg = snd_soc_read(codec, AD193X_DAC_CTRL2); |
313 | reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len; | |
314 | snd_soc_write(codec, AD193X_DAC_CTRL2, reg); | |
315 | ||
316 | reg = snd_soc_read(codec, AD193X_ADC_CTRL1); | |
317 | reg = (reg & (~AD193X_ADC_WORD_LEN_MASK)) | word_len; | |
318 | snd_soc_write(codec, AD193X_ADC_CTRL1, reg); | |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
9dd7b79a BS |
323 | static struct snd_soc_dai_ops ad193x_dai_ops = { |
324 | .hw_params = ad193x_hw_params, | |
325 | .digital_mute = ad193x_mute, | |
326 | .set_tdm_slot = ad193x_set_tdm_slot, | |
fab90aa4 | 327 | .set_sysclk = ad193x_set_dai_sysclk, |
9dd7b79a BS |
328 | .set_fmt = ad193x_set_dai_fmt, |
329 | }; | |
330 | ||
331 | /* codec DAI instance */ | |
f0fba2ad LG |
332 | static struct snd_soc_dai_driver ad193x_dai = { |
333 | .name = "ad193x-hifi", | |
9dd7b79a BS |
334 | .playback = { |
335 | .stream_name = "Playback", | |
336 | .channels_min = 2, | |
337 | .channels_max = 8, | |
338 | .rates = SNDRV_PCM_RATE_48000, | |
339 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
340 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
341 | }, | |
342 | .capture = { | |
343 | .stream_name = "Capture", | |
344 | .channels_min = 2, | |
345 | .channels_max = 4, | |
346 | .rates = SNDRV_PCM_RATE_48000, | |
347 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
348 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
349 | }, | |
350 | .ops = &ad193x_dai_ops, | |
351 | }; | |
9dd7b79a | 352 | |
f0fba2ad | 353 | static int ad193x_probe(struct snd_soc_codec *codec) |
a1533d94 | 354 | { |
f0fba2ad LG |
355 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
356 | int ret; | |
a1533d94 | 357 | |
f0fba2ad LG |
358 | codec->control_data = ad193x->control_data; |
359 | if (ad193x->bus_type == SND_SOC_I2C) | |
360 | ret = snd_soc_codec_set_cache_io(codec, 8, 8, ad193x->bus_type); | |
361 | else | |
362 | ret = snd_soc_codec_set_cache_io(codec, 16, 8, ad193x->bus_type); | |
363 | if (ret < 0) { | |
364 | dev_err(codec->dev, "failed to set cache I/O: %d\n", | |
365 | ret); | |
366 | kfree(ad193x); | |
367 | return ret; | |
a1533d94 BS |
368 | } |
369 | ||
f0fba2ad | 370 | /* default setting for ad193x */ |
a1533d94 | 371 | |
f0fba2ad LG |
372 | /* unmute dac channels */ |
373 | snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0); | |
374 | /* de-emphasis: 48kHz, powedown dac */ | |
375 | snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A); | |
376 | /* powerdown dac, dac in tdm mode */ | |
377 | snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41); | |
378 | /* high-pass filter enable */ | |
379 | snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3); | |
380 | /* sata delay=1, adc aux mode */ | |
381 | snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43); | |
382 | /* pll input: mclki/xi */ | |
383 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ | |
384 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04); | |
a1533d94 BS |
385 | |
386 | snd_soc_add_controls(codec, ad193x_snd_controls, | |
387 | ARRAY_SIZE(ad193x_snd_controls)); | |
388 | snd_soc_dapm_new_controls(codec, ad193x_dapm_widgets, | |
389 | ARRAY_SIZE(ad193x_dapm_widgets)); | |
390 | snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths)); | |
391 | ||
a1533d94 BS |
392 | return ret; |
393 | } | |
394 | ||
f0fba2ad | 395 | static struct snd_soc_codec_driver soc_codec_dev_ad193x = { |
a1533d94 | 396 | .probe = ad193x_probe, |
f0fba2ad LG |
397 | .reg_cache_default = ad193x_reg, |
398 | .reg_cache_size = AD193X_NUM_REGS, | |
399 | .reg_word_size = sizeof(u16), | |
a1533d94 | 400 | }; |
a1533d94 BS |
401 | |
402 | #if defined(CONFIG_SPI_MASTER) | |
403 | static int __devinit ad193x_spi_probe(struct spi_device *spi) | |
404 | { | |
f0fba2ad LG |
405 | struct ad193x_priv *ad193x; |
406 | int ret; | |
407 | ||
408 | ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL); | |
409 | if (ad193x == NULL) | |
410 | return -ENOMEM; | |
411 | ||
412 | spi_set_drvdata(spi, ad193x); | |
413 | ad193x->control_data = spi; | |
414 | ad193x->bus_type = SND_SOC_SPI; | |
415 | ||
416 | ret = snd_soc_register_codec(&spi->dev, | |
417 | &soc_codec_dev_ad193x, &ad193x_dai, 1); | |
418 | if (ret < 0) | |
419 | kfree(ad193x); | |
420 | return ret; | |
a1533d94 BS |
421 | } |
422 | ||
423 | static int __devexit ad193x_spi_remove(struct spi_device *spi) | |
424 | { | |
f0fba2ad LG |
425 | snd_soc_unregister_codec(&spi->dev); |
426 | kfree(spi_get_drvdata(spi)); | |
427 | return 0; | |
a1533d94 BS |
428 | } |
429 | ||
430 | static struct spi_driver ad193x_spi_driver = { | |
431 | .driver = { | |
f0fba2ad | 432 | .name = "ad193x-codec", |
a1533d94 BS |
433 | .owner = THIS_MODULE, |
434 | }, | |
435 | .probe = ad193x_spi_probe, | |
436 | .remove = __devexit_p(ad193x_spi_remove), | |
437 | }; | |
438 | #endif | |
439 | ||
440 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
441 | static const struct i2c_device_id ad193x_id[] = { | |
442 | { "ad1936", 0 }, | |
443 | { "ad1937", 0 }, | |
444 | { } | |
445 | }; | |
446 | MODULE_DEVICE_TABLE(i2c, ad193x_id); | |
447 | ||
448 | static int __devinit ad193x_i2c_probe(struct i2c_client *client, | |
449 | const struct i2c_device_id *id) | |
450 | { | |
f0fba2ad LG |
451 | struct ad193x_priv *ad193x; |
452 | int ret; | |
453 | ||
454 | ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL); | |
455 | if (ad193x == NULL) | |
456 | return -ENOMEM; | |
457 | ||
458 | i2c_set_clientdata(client, ad193x); | |
459 | ad193x->control_data = client; | |
460 | ad193x->bus_type = SND_SOC_I2C; | |
461 | ||
462 | ret = snd_soc_register_codec(&client->dev, | |
463 | &soc_codec_dev_ad193x, &ad193x_dai, 1); | |
464 | if (ret < 0) | |
465 | kfree(ad193x); | |
466 | return ret; | |
a1533d94 BS |
467 | } |
468 | ||
469 | static int __devexit ad193x_i2c_remove(struct i2c_client *client) | |
470 | { | |
f0fba2ad LG |
471 | snd_soc_unregister_codec(&client->dev); |
472 | kfree(i2c_get_clientdata(client)); | |
473 | return 0; | |
a1533d94 BS |
474 | } |
475 | ||
476 | static struct i2c_driver ad193x_i2c_driver = { | |
477 | .driver = { | |
f0fba2ad | 478 | .name = "ad193x-codec", |
a1533d94 BS |
479 | }, |
480 | .probe = ad193x_i2c_probe, | |
481 | .remove = __devexit_p(ad193x_i2c_remove), | |
482 | .id_table = ad193x_id, | |
483 | }; | |
484 | #endif | |
485 | ||
486 | static int __init ad193x_modinit(void) | |
487 | { | |
488 | int ret; | |
489 | ||
490 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
491 | ret = i2c_add_driver(&ad193x_i2c_driver); | |
492 | if (ret != 0) { | |
493 | printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n", | |
494 | ret); | |
495 | } | |
496 | #endif | |
497 | ||
498 | #if defined(CONFIG_SPI_MASTER) | |
499 | ret = spi_register_driver(&ad193x_spi_driver); | |
500 | if (ret != 0) { | |
501 | printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n", | |
502 | ret); | |
503 | } | |
504 | #endif | |
505 | return ret; | |
506 | } | |
507 | module_init(ad193x_modinit); | |
508 | ||
509 | static void __exit ad193x_modexit(void) | |
510 | { | |
511 | #if defined(CONFIG_SPI_MASTER) | |
512 | spi_unregister_driver(&ad193x_spi_driver); | |
513 | #endif | |
514 | ||
515 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
516 | i2c_del_driver(&ad193x_i2c_driver); | |
517 | #endif | |
518 | } | |
519 | module_exit(ad193x_modexit); | |
520 | ||
521 | MODULE_DESCRIPTION("ASoC ad193x driver"); | |
522 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); | |
523 | MODULE_LICENSE("GPL"); |