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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> | |
a1533d94 BS |
22 | #include "ad193x.h" |
23 | ||
24 | /* codec private data */ | |
25 | struct ad193x_priv { | |
119bfef2 | 26 | enum snd_soc_control_type control_type; |
f0fba2ad | 27 | int sysclk; |
a1533d94 BS |
28 | }; |
29 | ||
30 | /* ad193x register cache & default register settings */ | |
31 | static const u8 ad193x_reg[AD193X_NUM_REGS] = { | |
32 | 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, | |
33 | }; | |
34 | ||
a1533d94 BS |
35 | /* |
36 | * AD193X volume/mute/de-emphasis etc. controls | |
37 | */ | |
38 | static const char *ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"}; | |
39 | ||
40 | static const struct soc_enum ad193x_deemp_enum = | |
41 | SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, ad193x_deemp); | |
42 | ||
43 | static const struct snd_kcontrol_new ad193x_snd_controls[] = { | |
44 | /* DAC volume control */ | |
ba0a24e7 | 45 | SOC_DOUBLE_R("DAC1 Volume", AD193X_DAC_L1_VOL, |
a1533d94 | 46 | AD193X_DAC_R1_VOL, 0, 0xFF, 1), |
ba0a24e7 | 47 | SOC_DOUBLE_R("DAC2 Volume", AD193X_DAC_L2_VOL, |
a1533d94 | 48 | AD193X_DAC_R2_VOL, 0, 0xFF, 1), |
ba0a24e7 | 49 | SOC_DOUBLE_R("DAC3 Volume", AD193X_DAC_L3_VOL, |
a1533d94 | 50 | AD193X_DAC_R3_VOL, 0, 0xFF, 1), |
ba0a24e7 | 51 | SOC_DOUBLE_R("DAC4 Volume", AD193X_DAC_L4_VOL, |
a1533d94 BS |
52 | AD193X_DAC_R4_VOL, 0, 0xFF, 1), |
53 | ||
54 | /* ADC switch control */ | |
55 | SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE, | |
56 | AD193X_ADCR1_MUTE, 1, 1), | |
57 | SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE, | |
58 | AD193X_ADCR2_MUTE, 1, 1), | |
59 | ||
60 | /* DAC switch control */ | |
61 | SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE, | |
62 | AD193X_DACR1_MUTE, 1, 1), | |
63 | SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE, | |
64 | AD193X_DACR2_MUTE, 1, 1), | |
65 | SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE, | |
66 | AD193X_DACR3_MUTE, 1, 1), | |
67 | SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE, | |
68 | AD193X_DACR4_MUTE, 1, 1), | |
69 | ||
70 | /* ADC high-pass filter */ | |
71 | SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0, | |
72 | AD193X_ADC_HIGHPASS_FILTER, 1, 0), | |
73 | ||
74 | /* DAC de-emphasis */ | |
75 | SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum), | |
76 | }; | |
77 | ||
78 | static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = { | |
79 | SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1), | |
80 | SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), | |
81 | SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0), | |
82 | SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0), | |
83 | SND_SOC_DAPM_OUTPUT("DAC1OUT"), | |
84 | SND_SOC_DAPM_OUTPUT("DAC2OUT"), | |
85 | SND_SOC_DAPM_OUTPUT("DAC3OUT"), | |
86 | SND_SOC_DAPM_OUTPUT("DAC4OUT"), | |
87 | SND_SOC_DAPM_INPUT("ADC1IN"), | |
88 | SND_SOC_DAPM_INPUT("ADC2IN"), | |
89 | }; | |
90 | ||
91 | static const struct snd_soc_dapm_route audio_paths[] = { | |
92 | { "DAC", NULL, "PLL_PWR" }, | |
93 | { "ADC", NULL, "PLL_PWR" }, | |
94 | { "DAC", NULL, "ADC_PWR" }, | |
95 | { "ADC", NULL, "ADC_PWR" }, | |
96 | { "DAC1OUT", "DAC1 Switch", "DAC" }, | |
97 | { "DAC2OUT", "DAC2 Switch", "DAC" }, | |
98 | { "DAC3OUT", "DAC3 Switch", "DAC" }, | |
99 | { "DAC4OUT", "DAC4 Switch", "DAC" }, | |
100 | { "ADC", "ADC1 Switch", "ADC1IN" }, | |
101 | { "ADC", "ADC2 Switch", "ADC2IN" }, | |
102 | }; | |
103 | ||
104 | /* | |
105 | * DAI ops entries | |
106 | */ | |
107 | ||
108 | static int ad193x_mute(struct snd_soc_dai *dai, int mute) | |
109 | { | |
110 | struct snd_soc_codec *codec = dai->codec; | |
111 | int reg; | |
112 | ||
113 | reg = snd_soc_read(codec, AD193X_DAC_CTRL2); | |
114 | reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg & | |
115 | (~AD193X_DAC_MASTER_MUTE); | |
116 | snd_soc_write(codec, AD193X_DAC_CTRL2, reg); | |
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 | { | |
124 | struct snd_soc_codec *codec = dai->codec; | |
125 | int dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1); | |
126 | int adc_reg = snd_soc_read(codec, AD193X_ADC_CTRL2); | |
127 | ||
128 | dac_reg &= ~AD193X_DAC_CHAN_MASK; | |
129 | adc_reg &= ~AD193X_ADC_CHAN_MASK; | |
130 | ||
131 | switch (slots) { | |
132 | case 2: | |
133 | dac_reg |= AD193X_DAC_2_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
134 | adc_reg |= AD193X_ADC_2_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
135 | break; | |
136 | case 4: | |
137 | dac_reg |= AD193X_DAC_4_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
138 | adc_reg |= AD193X_ADC_4_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
139 | break; | |
140 | case 8: | |
141 | dac_reg |= AD193X_DAC_8_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
142 | adc_reg |= AD193X_ADC_8_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
143 | break; | |
144 | case 16: | |
145 | dac_reg |= AD193X_DAC_16_CHANNELS << AD193X_DAC_CHAN_SHFT; | |
146 | adc_reg |= AD193X_ADC_16_CHANNELS << AD193X_ADC_CHAN_SHFT; | |
147 | break; | |
148 | default: | |
149 | return -EINVAL; | |
150 | } | |
151 | ||
152 | snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg); | |
153 | snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg); | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
159 | unsigned int fmt) | |
160 | { | |
161 | struct snd_soc_codec *codec = codec_dai->codec; | |
d6bdc0f7 | 162 | int adc_reg1, adc_reg2, dac_reg; |
a1533d94 | 163 | |
d6bdc0f7 BS |
164 | adc_reg1 = snd_soc_read(codec, AD193X_ADC_CTRL1); |
165 | adc_reg2 = snd_soc_read(codec, AD193X_ADC_CTRL2); | |
a1533d94 BS |
166 | dac_reg = snd_soc_read(codec, AD193X_DAC_CTRL1); |
167 | ||
168 | /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S | |
169 | * with TDM) and ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) | |
170 | */ | |
171 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
172 | case SND_SOC_DAIFMT_I2S: | |
d6bdc0f7 BS |
173 | adc_reg1 &= ~AD193X_ADC_SERFMT_MASK; |
174 | adc_reg1 |= AD193X_ADC_SERFMT_TDM; | |
a1533d94 BS |
175 | break; |
176 | case SND_SOC_DAIFMT_DSP_A: | |
d6bdc0f7 BS |
177 | adc_reg1 &= ~AD193X_ADC_SERFMT_MASK; |
178 | adc_reg1 |= AD193X_ADC_SERFMT_AUX; | |
a1533d94 BS |
179 | break; |
180 | default: | |
181 | return -EINVAL; | |
182 | } | |
183 | ||
184 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
185 | case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */ | |
d6bdc0f7 BS |
186 | adc_reg2 &= ~AD193X_ADC_LEFT_HIGH; |
187 | adc_reg2 &= ~AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
188 | dac_reg &= ~AD193X_DAC_LEFT_HIGH; |
189 | dac_reg &= ~AD193X_DAC_BCLK_INV; | |
190 | break; | |
191 | case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */ | |
d6bdc0f7 BS |
192 | adc_reg2 |= AD193X_ADC_LEFT_HIGH; |
193 | adc_reg2 &= ~AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
194 | dac_reg |= AD193X_DAC_LEFT_HIGH; |
195 | dac_reg &= ~AD193X_DAC_BCLK_INV; | |
196 | break; | |
197 | case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */ | |
d6bdc0f7 BS |
198 | adc_reg2 &= ~AD193X_ADC_LEFT_HIGH; |
199 | adc_reg2 |= AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
200 | dac_reg &= ~AD193X_DAC_LEFT_HIGH; |
201 | dac_reg |= AD193X_DAC_BCLK_INV; | |
202 | break; | |
203 | ||
204 | case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */ | |
d6bdc0f7 BS |
205 | adc_reg2 |= AD193X_ADC_LEFT_HIGH; |
206 | adc_reg2 |= AD193X_ADC_BCLK_INV; | |
a1533d94 BS |
207 | dac_reg |= AD193X_DAC_LEFT_HIGH; |
208 | dac_reg |= AD193X_DAC_BCLK_INV; | |
209 | break; | |
210 | default: | |
211 | return -EINVAL; | |
212 | } | |
213 | ||
214 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
215 | case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ | |
d6bdc0f7 BS |
216 | adc_reg2 |= AD193X_ADC_LCR_MASTER; |
217 | adc_reg2 |= AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
218 | dac_reg |= AD193X_DAC_LCR_MASTER; |
219 | dac_reg |= AD193X_DAC_BCLK_MASTER; | |
220 | break; | |
221 | case SND_SOC_DAIFMT_CBS_CFM: /* codec clk slave & frm master */ | |
d6bdc0f7 BS |
222 | adc_reg2 |= AD193X_ADC_LCR_MASTER; |
223 | adc_reg2 &= ~AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
224 | dac_reg |= AD193X_DAC_LCR_MASTER; |
225 | dac_reg &= ~AD193X_DAC_BCLK_MASTER; | |
226 | break; | |
227 | case SND_SOC_DAIFMT_CBM_CFS: /* codec clk master & frame slave */ | |
d6bdc0f7 BS |
228 | adc_reg2 &= ~AD193X_ADC_LCR_MASTER; |
229 | adc_reg2 |= AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
230 | dac_reg &= ~AD193X_DAC_LCR_MASTER; |
231 | dac_reg |= AD193X_DAC_BCLK_MASTER; | |
232 | break; | |
233 | case SND_SOC_DAIFMT_CBS_CFS: /* codec clk & frm slave */ | |
d6bdc0f7 BS |
234 | adc_reg2 &= ~AD193X_ADC_LCR_MASTER; |
235 | adc_reg2 &= ~AD193X_ADC_BCLK_MASTER; | |
a1533d94 BS |
236 | dac_reg &= ~AD193X_DAC_LCR_MASTER; |
237 | dac_reg &= ~AD193X_DAC_BCLK_MASTER; | |
238 | break; | |
239 | default: | |
240 | return -EINVAL; | |
241 | } | |
242 | ||
d6bdc0f7 BS |
243 | snd_soc_write(codec, AD193X_ADC_CTRL1, adc_reg1); |
244 | snd_soc_write(codec, AD193X_ADC_CTRL2, adc_reg2); | |
a1533d94 BS |
245 | snd_soc_write(codec, AD193X_DAC_CTRL1, dac_reg); |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
fab90aa4 BS |
250 | static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
251 | int clk_id, unsigned int freq, int dir) | |
252 | { | |
253 | struct snd_soc_codec *codec = codec_dai->codec; | |
254 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); | |
255 | switch (freq) { | |
256 | case 12288000: | |
257 | case 18432000: | |
258 | case 24576000: | |
259 | case 36864000: | |
260 | ad193x->sysclk = freq; | |
261 | return 0; | |
262 | } | |
263 | return -EINVAL; | |
264 | } | |
265 | ||
a1533d94 BS |
266 | static int ad193x_hw_params(struct snd_pcm_substream *substream, |
267 | struct snd_pcm_hw_params *params, | |
268 | struct snd_soc_dai *dai) | |
269 | { | |
fab90aa4 | 270 | int word_len = 0, reg = 0, master_rate = 0; |
a1533d94 BS |
271 | |
272 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 273 | struct snd_soc_codec *codec = rtd->codec; |
fab90aa4 | 274 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
a1533d94 BS |
275 | |
276 | /* bit size */ | |
277 | switch (params_format(params)) { | |
278 | case SNDRV_PCM_FORMAT_S16_LE: | |
279 | word_len = 3; | |
280 | break; | |
281 | case SNDRV_PCM_FORMAT_S20_3LE: | |
282 | word_len = 1; | |
283 | break; | |
284 | case SNDRV_PCM_FORMAT_S24_LE: | |
285 | case SNDRV_PCM_FORMAT_S32_LE: | |
286 | word_len = 0; | |
287 | break; | |
288 | } | |
289 | ||
fab90aa4 BS |
290 | switch (ad193x->sysclk) { |
291 | case 12288000: | |
292 | master_rate = AD193X_PLL_INPUT_256; | |
293 | break; | |
294 | case 18432000: | |
295 | master_rate = AD193X_PLL_INPUT_384; | |
296 | break; | |
297 | case 24576000: | |
298 | master_rate = AD193X_PLL_INPUT_512; | |
299 | break; | |
300 | case 36864000: | |
301 | master_rate = AD193X_PLL_INPUT_768; | |
302 | break; | |
303 | } | |
304 | ||
305 | reg = snd_soc_read(codec, AD193X_PLL_CLK_CTRL0); | |
306 | reg = (reg & AD193X_PLL_INPUT_MASK) | master_rate; | |
307 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, reg); | |
308 | ||
a1533d94 BS |
309 | reg = snd_soc_read(codec, AD193X_DAC_CTRL2); |
310 | reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len; | |
311 | snd_soc_write(codec, AD193X_DAC_CTRL2, reg); | |
312 | ||
313 | reg = snd_soc_read(codec, AD193X_ADC_CTRL1); | |
314 | reg = (reg & (~AD193X_ADC_WORD_LEN_MASK)) | word_len; | |
315 | snd_soc_write(codec, AD193X_ADC_CTRL1, reg); | |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
9dd7b79a BS |
320 | static struct snd_soc_dai_ops ad193x_dai_ops = { |
321 | .hw_params = ad193x_hw_params, | |
322 | .digital_mute = ad193x_mute, | |
323 | .set_tdm_slot = ad193x_set_tdm_slot, | |
fab90aa4 | 324 | .set_sysclk = ad193x_set_dai_sysclk, |
9dd7b79a BS |
325 | .set_fmt = ad193x_set_dai_fmt, |
326 | }; | |
327 | ||
328 | /* codec DAI instance */ | |
f0fba2ad LG |
329 | static struct snd_soc_dai_driver ad193x_dai = { |
330 | .name = "ad193x-hifi", | |
9dd7b79a BS |
331 | .playback = { |
332 | .stream_name = "Playback", | |
333 | .channels_min = 2, | |
334 | .channels_max = 8, | |
335 | .rates = SNDRV_PCM_RATE_48000, | |
336 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
337 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
338 | }, | |
339 | .capture = { | |
340 | .stream_name = "Capture", | |
341 | .channels_min = 2, | |
342 | .channels_max = 4, | |
343 | .rates = SNDRV_PCM_RATE_48000, | |
344 | .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | | |
345 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, | |
346 | }, | |
347 | .ops = &ad193x_dai_ops, | |
348 | }; | |
9dd7b79a | 349 | |
f0fba2ad | 350 | static int ad193x_probe(struct snd_soc_codec *codec) |
a1533d94 | 351 | { |
f0fba2ad | 352 | struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); |
ce6120cc | 353 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f0fba2ad | 354 | int ret; |
a1533d94 | 355 | |
119bfef2 SJ |
356 | if (ad193x->control_type == SND_SOC_I2C) |
357 | ret = snd_soc_codec_set_cache_io(codec, 8, 8, ad193x->control_type); | |
f0fba2ad | 358 | else |
119bfef2 | 359 | ret = snd_soc_codec_set_cache_io(codec, 16, 8, ad193x->control_type); |
f0fba2ad | 360 | if (ret < 0) { |
119bfef2 | 361 | dev_err(codec->dev, "failed to set cache I/O: %d\n", ret); |
f0fba2ad | 362 | return ret; |
a1533d94 BS |
363 | } |
364 | ||
f0fba2ad | 365 | /* default setting for ad193x */ |
a1533d94 | 366 | |
f0fba2ad LG |
367 | /* unmute dac channels */ |
368 | snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0); | |
369 | /* de-emphasis: 48kHz, powedown dac */ | |
370 | snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A); | |
371 | /* powerdown dac, dac in tdm mode */ | |
372 | snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41); | |
373 | /* high-pass filter enable */ | |
374 | snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3); | |
375 | /* sata delay=1, adc aux mode */ | |
376 | snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43); | |
377 | /* pll input: mclki/xi */ | |
378 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ | |
379 | snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04); | |
a1533d94 BS |
380 | |
381 | snd_soc_add_controls(codec, ad193x_snd_controls, | |
382 | ARRAY_SIZE(ad193x_snd_controls)); | |
ce6120cc | 383 | snd_soc_dapm_new_controls(dapm, ad193x_dapm_widgets, |
a1533d94 | 384 | ARRAY_SIZE(ad193x_dapm_widgets)); |
ce6120cc | 385 | snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); |
a1533d94 | 386 | |
a1533d94 BS |
387 | return ret; |
388 | } | |
389 | ||
f0fba2ad | 390 | static struct snd_soc_codec_driver soc_codec_dev_ad193x = { |
a1533d94 | 391 | .probe = ad193x_probe, |
f0fba2ad LG |
392 | .reg_cache_default = ad193x_reg, |
393 | .reg_cache_size = AD193X_NUM_REGS, | |
394 | .reg_word_size = sizeof(u16), | |
a1533d94 | 395 | }; |
a1533d94 BS |
396 | |
397 | #if defined(CONFIG_SPI_MASTER) | |
398 | static int __devinit ad193x_spi_probe(struct spi_device *spi) | |
399 | { | |
f0fba2ad LG |
400 | struct ad193x_priv *ad193x; |
401 | int ret; | |
402 | ||
403 | ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL); | |
404 | if (ad193x == NULL) | |
405 | return -ENOMEM; | |
406 | ||
407 | spi_set_drvdata(spi, ad193x); | |
119bfef2 | 408 | ad193x->control_type = SND_SOC_SPI; |
f0fba2ad LG |
409 | |
410 | ret = snd_soc_register_codec(&spi->dev, | |
411 | &soc_codec_dev_ad193x, &ad193x_dai, 1); | |
412 | if (ret < 0) | |
413 | kfree(ad193x); | |
414 | return ret; | |
a1533d94 BS |
415 | } |
416 | ||
417 | static int __devexit ad193x_spi_remove(struct spi_device *spi) | |
418 | { | |
f0fba2ad LG |
419 | snd_soc_unregister_codec(&spi->dev); |
420 | kfree(spi_get_drvdata(spi)); | |
421 | return 0; | |
a1533d94 BS |
422 | } |
423 | ||
424 | static struct spi_driver ad193x_spi_driver = { | |
425 | .driver = { | |
e43a7d41 | 426 | .name = "ad193x", |
a1533d94 BS |
427 | .owner = THIS_MODULE, |
428 | }, | |
429 | .probe = ad193x_spi_probe, | |
430 | .remove = __devexit_p(ad193x_spi_remove), | |
431 | }; | |
432 | #endif | |
433 | ||
434 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
435 | static const struct i2c_device_id ad193x_id[] = { | |
436 | { "ad1936", 0 }, | |
437 | { "ad1937", 0 }, | |
438 | { } | |
439 | }; | |
440 | MODULE_DEVICE_TABLE(i2c, ad193x_id); | |
441 | ||
442 | static int __devinit ad193x_i2c_probe(struct i2c_client *client, | |
443 | const struct i2c_device_id *id) | |
444 | { | |
f0fba2ad LG |
445 | struct ad193x_priv *ad193x; |
446 | int ret; | |
447 | ||
448 | ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL); | |
449 | if (ad193x == NULL) | |
450 | return -ENOMEM; | |
451 | ||
452 | i2c_set_clientdata(client, ad193x); | |
119bfef2 | 453 | ad193x->control_type = SND_SOC_I2C; |
f0fba2ad LG |
454 | |
455 | ret = snd_soc_register_codec(&client->dev, | |
456 | &soc_codec_dev_ad193x, &ad193x_dai, 1); | |
457 | if (ret < 0) | |
458 | kfree(ad193x); | |
459 | return ret; | |
a1533d94 BS |
460 | } |
461 | ||
462 | static int __devexit ad193x_i2c_remove(struct i2c_client *client) | |
463 | { | |
f0fba2ad LG |
464 | snd_soc_unregister_codec(&client->dev); |
465 | kfree(i2c_get_clientdata(client)); | |
466 | return 0; | |
a1533d94 BS |
467 | } |
468 | ||
469 | static struct i2c_driver ad193x_i2c_driver = { | |
470 | .driver = { | |
e43a7d41 | 471 | .name = "ad193x", |
a1533d94 BS |
472 | }, |
473 | .probe = ad193x_i2c_probe, | |
474 | .remove = __devexit_p(ad193x_i2c_remove), | |
475 | .id_table = ad193x_id, | |
476 | }; | |
477 | #endif | |
478 | ||
479 | static int __init ad193x_modinit(void) | |
480 | { | |
481 | int ret; | |
482 | ||
483 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
484 | ret = i2c_add_driver(&ad193x_i2c_driver); | |
485 | if (ret != 0) { | |
486 | printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n", | |
487 | ret); | |
488 | } | |
489 | #endif | |
490 | ||
491 | #if defined(CONFIG_SPI_MASTER) | |
492 | ret = spi_register_driver(&ad193x_spi_driver); | |
493 | if (ret != 0) { | |
494 | printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n", | |
495 | ret); | |
496 | } | |
497 | #endif | |
498 | return ret; | |
499 | } | |
500 | module_init(ad193x_modinit); | |
501 | ||
502 | static void __exit ad193x_modexit(void) | |
503 | { | |
504 | #if defined(CONFIG_SPI_MASTER) | |
505 | spi_unregister_driver(&ad193x_spi_driver); | |
506 | #endif | |
507 | ||
508 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | |
509 | i2c_del_driver(&ad193x_i2c_driver); | |
510 | #endif | |
511 | } | |
512 | module_exit(ad193x_modexit); | |
513 | ||
514 | MODULE_DESCRIPTION("ASoC ad193x driver"); | |
515 | MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); | |
516 | MODULE_LICENSE("GPL"); |