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1cad1de1 CP |
1 | /* |
2 | * uda134x.c -- UDA134X ALSA SoC Codec driver | |
3 | * | |
4 | * Modifications by Christian Pellegrin <chripell@evolware.org> | |
5 | * | |
6 | * Copyright 2007 Dension Audio Systems Ltd. | |
7 | * Author: Zoltan Devai | |
8 | * | |
9 | * Based on the WM87xx drivers by Liam Girdwood and Richard Purdie | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/delay.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
1cad1de1 CP |
19 | #include <sound/pcm.h> |
20 | #include <sound/pcm_params.h> | |
21 | #include <sound/soc.h> | |
1cad1de1 CP |
22 | #include <sound/initval.h> |
23 | ||
24 | #include <sound/uda134x.h> | |
25 | #include <sound/l3.h> | |
26 | ||
72f2b894 | 27 | #include "uda134x.h" |
1cad1de1 CP |
28 | |
29 | ||
1cad1de1 CP |
30 | #define UDA134X_RATES SNDRV_PCM_RATE_8000_48000 |
31 | #define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ | |
32 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE) | |
33 | ||
34 | struct uda134x_priv { | |
35 | int sysclk; | |
36 | int dai_fmt; | |
37 | ||
38 | struct snd_pcm_substream *master_substream; | |
39 | struct snd_pcm_substream *slave_substream; | |
40 | }; | |
41 | ||
42 | /* In-data addresses are hard-coded into the reg-cache values */ | |
43 | static const char uda134x_reg[UDA134X_REGS_NUM] = { | |
44 | /* Extended address registers */ | |
45 | 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, | |
46 | /* Status, data regs */ | |
ed632ad3 | 47 | 0x00, 0x83, 0x00, 0x40, 0x80, 0xC0, 0x00, |
1cad1de1 CP |
48 | }; |
49 | ||
50 | /* | |
51 | * The codec has no support for reading its registers except for peak level... | |
52 | */ | |
53 | static inline unsigned int uda134x_read_reg_cache(struct snd_soc_codec *codec, | |
54 | unsigned int reg) | |
55 | { | |
56 | u8 *cache = codec->reg_cache; | |
57 | ||
58 | if (reg >= UDA134X_REGS_NUM) | |
59 | return -1; | |
60 | return cache[reg]; | |
61 | } | |
62 | ||
63 | /* | |
64 | * Write the register cache | |
65 | */ | |
66 | static inline void uda134x_write_reg_cache(struct snd_soc_codec *codec, | |
67 | u8 reg, unsigned int value) | |
68 | { | |
69 | u8 *cache = codec->reg_cache; | |
70 | ||
71 | if (reg >= UDA134X_REGS_NUM) | |
72 | return; | |
73 | cache[reg] = value; | |
74 | } | |
75 | ||
76 | /* | |
77 | * Write to the uda134x registers | |
78 | * | |
79 | */ | |
80 | static int uda134x_write(struct snd_soc_codec *codec, unsigned int reg, | |
81 | unsigned int value) | |
82 | { | |
83 | int ret; | |
84 | u8 addr; | |
85 | u8 data = value; | |
86 | struct uda134x_platform_data *pd = codec->control_data; | |
87 | ||
88 | pr_debug("%s reg: %02X, value:%02X\n", __func__, reg, value); | |
89 | ||
90 | if (reg >= UDA134X_REGS_NUM) { | |
af901ca1 | 91 | printk(KERN_ERR "%s unknown register: reg: %u", |
1cad1de1 CP |
92 | __func__, reg); |
93 | return -EINVAL; | |
94 | } | |
95 | ||
96 | uda134x_write_reg_cache(codec, reg, value); | |
97 | ||
98 | switch (reg) { | |
99 | case UDA134X_STATUS0: | |
100 | case UDA134X_STATUS1: | |
101 | addr = UDA134X_STATUS_ADDR; | |
102 | break; | |
103 | case UDA134X_DATA000: | |
104 | case UDA134X_DATA001: | |
105 | case UDA134X_DATA010: | |
ed632ad3 | 106 | case UDA134X_DATA011: |
1cad1de1 CP |
107 | addr = UDA134X_DATA0_ADDR; |
108 | break; | |
109 | case UDA134X_DATA1: | |
110 | addr = UDA134X_DATA1_ADDR; | |
111 | break; | |
112 | default: | |
113 | /* It's an extended address register */ | |
114 | addr = (reg | UDA134X_EXTADDR_PREFIX); | |
115 | ||
116 | ret = l3_write(&pd->l3, | |
117 | UDA134X_DATA0_ADDR, &addr, 1); | |
118 | if (ret != 1) | |
119 | return -EIO; | |
120 | ||
121 | addr = UDA134X_DATA0_ADDR; | |
122 | data = (value | UDA134X_EXTDATA_PREFIX); | |
123 | break; | |
124 | } | |
125 | ||
126 | ret = l3_write(&pd->l3, | |
127 | addr, &data, 1); | |
128 | if (ret != 1) | |
129 | return -EIO; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static inline void uda134x_reset(struct snd_soc_codec *codec) | |
135 | { | |
136 | u8 reset_reg = uda134x_read_reg_cache(codec, UDA134X_STATUS0); | |
137 | uda134x_write(codec, UDA134X_STATUS0, reset_reg | (1<<6)); | |
138 | msleep(1); | |
139 | uda134x_write(codec, UDA134X_STATUS0, reset_reg & ~(1<<6)); | |
140 | } | |
141 | ||
142 | static int uda134x_mute(struct snd_soc_dai *dai, int mute) | |
143 | { | |
144 | struct snd_soc_codec *codec = dai->codec; | |
145 | u8 mute_reg = uda134x_read_reg_cache(codec, UDA134X_DATA010); | |
146 | ||
147 | pr_debug("%s mute: %d\n", __func__, mute); | |
148 | ||
149 | if (mute) | |
150 | mute_reg |= (1<<2); | |
151 | else | |
152 | mute_reg &= ~(1<<2); | |
153 | ||
0c093fb5 | 154 | uda134x_write(codec, UDA134X_DATA010, mute_reg); |
1cad1de1 CP |
155 | |
156 | return 0; | |
157 | } | |
158 | ||
dee89c4d MB |
159 | static int uda134x_startup(struct snd_pcm_substream *substream, |
160 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
161 | { |
162 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 163 | struct snd_soc_codec *codec =rtd->codec; |
b2c812e2 | 164 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
165 | struct snd_pcm_runtime *master_runtime; |
166 | ||
167 | if (uda134x->master_substream) { | |
168 | master_runtime = uda134x->master_substream->runtime; | |
169 | ||
170 | pr_debug("%s constraining to %d bits at %d\n", __func__, | |
171 | master_runtime->sample_bits, | |
172 | master_runtime->rate); | |
173 | ||
174 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
175 | SNDRV_PCM_HW_PARAM_RATE, | |
176 | master_runtime->rate, | |
177 | master_runtime->rate); | |
178 | ||
179 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
180 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
181 | master_runtime->sample_bits, | |
182 | master_runtime->sample_bits); | |
183 | ||
184 | uda134x->slave_substream = substream; | |
185 | } else | |
186 | uda134x->master_substream = substream; | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
dee89c4d MB |
191 | static void uda134x_shutdown(struct snd_pcm_substream *substream, |
192 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
193 | { |
194 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 195 | struct snd_soc_codec *codec = rtd->codec; |
b2c812e2 | 196 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
197 | |
198 | if (uda134x->master_substream == substream) | |
199 | uda134x->master_substream = uda134x->slave_substream; | |
200 | ||
201 | uda134x->slave_substream = NULL; | |
202 | } | |
203 | ||
204 | static int uda134x_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
205 | struct snd_pcm_hw_params *params, |
206 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
207 | { |
208 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 209 | struct snd_soc_codec *codec = rtd->codec; |
b2c812e2 | 210 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
211 | u8 hw_params; |
212 | ||
213 | if (substream == uda134x->slave_substream) { | |
214 | pr_debug("%s ignoring hw_params for slave substream\n", | |
215 | __func__); | |
216 | return 0; | |
217 | } | |
218 | ||
219 | hw_params = uda134x_read_reg_cache(codec, UDA134X_STATUS0); | |
220 | hw_params &= STATUS0_SYSCLK_MASK; | |
221 | hw_params &= STATUS0_DAIFMT_MASK; | |
222 | ||
223 | pr_debug("%s sysclk: %d, rate:%d\n", __func__, | |
224 | uda134x->sysclk, params_rate(params)); | |
225 | ||
226 | /* set SYSCLK / fs ratio */ | |
227 | switch (uda134x->sysclk / params_rate(params)) { | |
228 | case 512: | |
229 | break; | |
230 | case 384: | |
231 | hw_params |= (1<<4); | |
232 | break; | |
233 | case 256: | |
234 | hw_params |= (1<<5); | |
235 | break; | |
236 | default: | |
237 | printk(KERN_ERR "%s unsupported fs\n", __func__); | |
238 | return -EINVAL; | |
239 | } | |
240 | ||
241 | pr_debug("%s dai_fmt: %d, params_format:%d\n", __func__, | |
242 | uda134x->dai_fmt, params_format(params)); | |
243 | ||
244 | /* set DAI format and word length */ | |
245 | switch (uda134x->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
246 | case SND_SOC_DAIFMT_I2S: | |
247 | break; | |
248 | case SND_SOC_DAIFMT_RIGHT_J: | |
249 | switch (params_format(params)) { | |
250 | case SNDRV_PCM_FORMAT_S16_LE: | |
251 | hw_params |= (1<<1); | |
252 | break; | |
253 | case SNDRV_PCM_FORMAT_S18_3LE: | |
254 | hw_params |= (1<<2); | |
255 | break; | |
256 | case SNDRV_PCM_FORMAT_S20_3LE: | |
257 | hw_params |= ((1<<2) | (1<<1)); | |
258 | break; | |
259 | default: | |
260 | printk(KERN_ERR "%s unsupported format (right)\n", | |
261 | __func__); | |
262 | return -EINVAL; | |
263 | } | |
264 | break; | |
265 | case SND_SOC_DAIFMT_LEFT_J: | |
266 | hw_params |= (1<<3); | |
267 | break; | |
268 | default: | |
269 | printk(KERN_ERR "%s unsupported format\n", __func__); | |
270 | return -EINVAL; | |
271 | } | |
272 | ||
273 | uda134x_write(codec, UDA134X_STATUS0, hw_params); | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
278 | static int uda134x_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
279 | int clk_id, unsigned int freq, int dir) | |
280 | { | |
281 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 282 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 | 283 | |
449bd54d | 284 | pr_debug("%s clk_id: %d, freq: %u, dir: %d\n", __func__, |
1cad1de1 CP |
285 | clk_id, freq, dir); |
286 | ||
287 | /* Anything between 256fs*8Khz and 512fs*48Khz should be acceptable | |
288 | because the codec is slave. Of course limitations of the clock | |
289 | master (the IIS controller) apply. | |
290 | We'll error out on set_hw_params if it's not OK */ | |
291 | if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) { | |
292 | uda134x->sysclk = freq; | |
293 | return 0; | |
294 | } | |
295 | ||
296 | printk(KERN_ERR "%s unsupported sysclk\n", __func__); | |
297 | return -EINVAL; | |
298 | } | |
299 | ||
300 | static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
301 | unsigned int fmt) | |
302 | { | |
303 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 304 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
305 | |
306 | pr_debug("%s fmt: %08X\n", __func__, fmt); | |
307 | ||
308 | /* codec supports only full slave mode */ | |
309 | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) { | |
310 | printk(KERN_ERR "%s unsupported slave mode\n", __func__); | |
311 | return -EINVAL; | |
312 | } | |
313 | ||
314 | /* no support for clock inversion */ | |
315 | if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { | |
316 | printk(KERN_ERR "%s unsupported clock inversion\n", __func__); | |
317 | return -EINVAL; | |
318 | } | |
319 | ||
320 | /* We can't setup DAI format here as it depends on the word bit num */ | |
321 | /* so let's just store the value for later */ | |
322 | uda134x->dai_fmt = fmt; | |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
327 | static int uda134x_set_bias_level(struct snd_soc_codec *codec, | |
328 | enum snd_soc_bias_level level) | |
329 | { | |
330 | u8 reg; | |
331 | struct uda134x_platform_data *pd = codec->control_data; | |
332 | int i; | |
333 | u8 *cache = codec->reg_cache; | |
334 | ||
335 | pr_debug("%s bias level %d\n", __func__, level); | |
336 | ||
337 | switch (level) { | |
338 | case SND_SOC_BIAS_ON: | |
339 | /* ADC, DAC on */ | |
338de9d9 VZ |
340 | switch (pd->model) { |
341 | case UDA134X_UDA1340: | |
342 | case UDA134X_UDA1344: | |
343 | case UDA134X_UDA1345: | |
344 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); | |
345 | uda134x_write(codec, UDA134X_DATA011, reg | 0x03); | |
346 | break; | |
347 | case UDA134X_UDA1341: | |
348 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); | |
349 | uda134x_write(codec, UDA134X_STATUS1, reg | 0x03); | |
350 | break; | |
351 | default: | |
352 | printk(KERN_ERR "UDA134X SoC codec: " | |
353 | "unsupported model %d\n", pd->model); | |
354 | return -EINVAL; | |
355 | } | |
1cad1de1 CP |
356 | break; |
357 | case SND_SOC_BIAS_PREPARE: | |
358 | /* power on */ | |
359 | if (pd->power) { | |
360 | pd->power(1); | |
361 | /* Sync reg_cache with the hardware */ | |
362 | for (i = 0; i < ARRAY_SIZE(uda134x_reg); i++) | |
f0fba2ad | 363 | codec->driver->write(codec, i, *cache++); |
1cad1de1 CP |
364 | } |
365 | break; | |
366 | case SND_SOC_BIAS_STANDBY: | |
367 | /* ADC, DAC power off */ | |
338de9d9 VZ |
368 | switch (pd->model) { |
369 | case UDA134X_UDA1340: | |
370 | case UDA134X_UDA1344: | |
371 | case UDA134X_UDA1345: | |
372 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); | |
373 | uda134x_write(codec, UDA134X_DATA011, reg & ~(0x03)); | |
374 | break; | |
375 | case UDA134X_UDA1341: | |
376 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); | |
377 | uda134x_write(codec, UDA134X_STATUS1, reg & ~(0x03)); | |
378 | break; | |
379 | default: | |
380 | printk(KERN_ERR "UDA134X SoC codec: " | |
381 | "unsupported model %d\n", pd->model); | |
382 | return -EINVAL; | |
383 | } | |
1cad1de1 CP |
384 | break; |
385 | case SND_SOC_BIAS_OFF: | |
386 | /* power off */ | |
387 | if (pd->power) | |
388 | pd->power(0); | |
389 | break; | |
390 | } | |
ce6120cc | 391 | codec->dapm.bias_level = level; |
1cad1de1 CP |
392 | return 0; |
393 | } | |
394 | ||
395 | static const char *uda134x_dsp_setting[] = {"Flat", "Minimum1", | |
396 | "Minimum2", "Maximum"}; | |
397 | static const char *uda134x_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
398 | static const char *uda134x_mixmode[] = {"Differential", "Analog1", | |
399 | "Analog2", "Both"}; | |
400 | ||
401 | static const struct soc_enum uda134x_mixer_enum[] = { | |
402 | SOC_ENUM_SINGLE(UDA134X_DATA010, 0, 0x04, uda134x_dsp_setting), | |
403 | SOC_ENUM_SINGLE(UDA134X_DATA010, 3, 0x04, uda134x_deemph), | |
404 | SOC_ENUM_SINGLE(UDA134X_EA010, 0, 0x04, uda134x_mixmode), | |
405 | }; | |
406 | ||
407 | static const struct snd_kcontrol_new uda1341_snd_controls[] = { | |
408 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
409 | SOC_SINGLE("Capture Volume", UDA134X_EA010, 2, 0x07, 0), | |
410 | SOC_SINGLE("Analog1 Volume", UDA134X_EA000, 0, 0x1F, 1), | |
411 | SOC_SINGLE("Analog2 Volume", UDA134X_EA001, 0, 0x1F, 1), | |
412 | ||
413 | SOC_SINGLE("Mic Sensitivity", UDA134X_EA010, 2, 7, 0), | |
414 | SOC_SINGLE("Mic Volume", UDA134X_EA101, 0, 0x1F, 0), | |
415 | ||
416 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), | |
417 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), | |
418 | ||
419 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), | |
420 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
421 | SOC_ENUM("Input Mux", uda134x_mixer_enum[2]), | |
422 | ||
423 | SOC_SINGLE("AGC Switch", UDA134X_EA100, 4, 1, 0), | |
424 | SOC_SINGLE("AGC Target Volume", UDA134X_EA110, 0, 0x03, 1), | |
425 | SOC_SINGLE("AGC Timing", UDA134X_EA110, 2, 0x07, 0), | |
426 | ||
427 | SOC_SINGLE("DAC +6dB Switch", UDA134X_STATUS1, 6, 1, 0), | |
428 | SOC_SINGLE("ADC +6dB Switch", UDA134X_STATUS1, 5, 1, 0), | |
429 | SOC_SINGLE("ADC Polarity Switch", UDA134X_STATUS1, 4, 1, 0), | |
430 | SOC_SINGLE("DAC Polarity Switch", UDA134X_STATUS1, 3, 1, 0), | |
431 | SOC_SINGLE("Double Speed Playback Switch", UDA134X_STATUS1, 2, 1, 0), | |
432 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
433 | }; | |
434 | ||
435 | static const struct snd_kcontrol_new uda1340_snd_controls[] = { | |
436 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
437 | ||
438 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), | |
439 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), | |
440 | ||
441 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), | |
442 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
443 | ||
444 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
445 | }; | |
446 | ||
b28528a1 VZ |
447 | static const struct snd_kcontrol_new uda1345_snd_controls[] = { |
448 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
449 | ||
450 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
451 | ||
452 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
453 | }; | |
454 | ||
85e7652d | 455 | static const struct snd_soc_dai_ops uda134x_dai_ops = { |
6335d055 EM |
456 | .startup = uda134x_startup, |
457 | .shutdown = uda134x_shutdown, | |
458 | .hw_params = uda134x_hw_params, | |
459 | .digital_mute = uda134x_mute, | |
460 | .set_sysclk = uda134x_set_dai_sysclk, | |
461 | .set_fmt = uda134x_set_dai_fmt, | |
462 | }; | |
463 | ||
f0fba2ad LG |
464 | static struct snd_soc_dai_driver uda134x_dai = { |
465 | .name = "uda134x-hifi", | |
1cad1de1 CP |
466 | /* playback capabilities */ |
467 | .playback = { | |
468 | .stream_name = "Playback", | |
469 | .channels_min = 1, | |
470 | .channels_max = 2, | |
471 | .rates = UDA134X_RATES, | |
472 | .formats = UDA134X_FORMATS, | |
473 | }, | |
474 | /* capture capabilities */ | |
475 | .capture = { | |
476 | .stream_name = "Capture", | |
477 | .channels_min = 1, | |
478 | .channels_max = 2, | |
479 | .rates = UDA134X_RATES, | |
480 | .formats = UDA134X_FORMATS, | |
481 | }, | |
482 | /* pcm operations */ | |
6335d055 | 483 | .ops = &uda134x_dai_ops, |
1cad1de1 | 484 | }; |
1cad1de1 | 485 | |
f0fba2ad | 486 | static int uda134x_soc_probe(struct snd_soc_codec *codec) |
1cad1de1 | 487 | { |
1cad1de1 | 488 | struct uda134x_priv *uda134x; |
a110f4ef MB |
489 | struct uda134x_platform_data *pd = codec->card->dev->platform_data; |
490 | ||
f0fba2ad | 491 | int ret; |
1cad1de1 CP |
492 | |
493 | printk(KERN_INFO "UDA134X SoC Audio Codec\n"); | |
494 | ||
f0fba2ad | 495 | if (!pd) { |
1cad1de1 CP |
496 | printk(KERN_ERR "UDA134X SoC codec: " |
497 | "missing L3 bitbang function\n"); | |
498 | return -ENODEV; | |
499 | } | |
500 | ||
1cad1de1 CP |
501 | switch (pd->model) { |
502 | case UDA134X_UDA1340: | |
503 | case UDA134X_UDA1341: | |
504 | case UDA134X_UDA1344: | |
b28528a1 | 505 | case UDA134X_UDA1345: |
1cad1de1 CP |
506 | break; |
507 | default: | |
508 | printk(KERN_ERR "UDA134X SoC codec: " | |
509 | "unsupported model %d\n", | |
510 | pd->model); | |
511 | return -EINVAL; | |
512 | } | |
513 | ||
1cad1de1 CP |
514 | uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL); |
515 | if (uda134x == NULL) | |
f0fba2ad | 516 | return -ENOMEM; |
b2c812e2 | 517 | snd_soc_codec_set_drvdata(codec, uda134x); |
1cad1de1 | 518 | |
f0fba2ad | 519 | codec->control_data = pd; |
1cad1de1 CP |
520 | |
521 | if (pd->power) | |
522 | pd->power(1); | |
523 | ||
524 | uda134x_reset(codec); | |
525 | ||
f0fba2ad | 526 | if (pd->is_powered_on_standby) |
e4295b40 | 527 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); |
f0fba2ad | 528 | else |
e4295b40 | 529 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
1cad1de1 | 530 | |
3e8e1952 IM |
531 | switch (pd->model) { |
532 | case UDA134X_UDA1340: | |
533 | case UDA134X_UDA1344: | |
534 | ret = snd_soc_add_controls(codec, uda1340_snd_controls, | |
535 | ARRAY_SIZE(uda1340_snd_controls)); | |
536 | break; | |
537 | case UDA134X_UDA1341: | |
538 | ret = snd_soc_add_controls(codec, uda1341_snd_controls, | |
539 | ARRAY_SIZE(uda1341_snd_controls)); | |
540 | break; | |
b28528a1 VZ |
541 | case UDA134X_UDA1345: |
542 | ret = snd_soc_add_controls(codec, uda1345_snd_controls, | |
543 | ARRAY_SIZE(uda1345_snd_controls)); | |
544 | break; | |
3e8e1952 | 545 | default: |
af901ca1 | 546 | printk(KERN_ERR "%s unknown codec type: %d", |
3e8e1952 | 547 | __func__, pd->model); |
f0fba2ad LG |
548 | kfree(uda134x); |
549 | return -EINVAL; | |
3e8e1952 IM |
550 | } |
551 | ||
1cad1de1 CP |
552 | if (ret < 0) { |
553 | printk(KERN_ERR "UDA134X: failed to register controls\n"); | |
f0fba2ad LG |
554 | kfree(uda134x); |
555 | return ret; | |
1cad1de1 CP |
556 | } |
557 | ||
1cad1de1 | 558 | return 0; |
1cad1de1 CP |
559 | } |
560 | ||
561 | /* power down chip */ | |
f0fba2ad | 562 | static int uda134x_soc_remove(struct snd_soc_codec *codec) |
1cad1de1 | 563 | { |
f0fba2ad | 564 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
565 | |
566 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
567 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
568 | ||
f0fba2ad | 569 | kfree(uda134x); |
1cad1de1 CP |
570 | return 0; |
571 | } | |
572 | ||
573 | #if defined(CONFIG_PM) | |
84b315ee | 574 | static int uda134x_soc_suspend(struct snd_soc_codec *codec) |
1cad1de1 | 575 | { |
1cad1de1 CP |
576 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
577 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
578 | return 0; | |
579 | } | |
580 | ||
f0fba2ad | 581 | static int uda134x_soc_resume(struct snd_soc_codec *codec) |
1cad1de1 | 582 | { |
1cad1de1 CP |
583 | uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE); |
584 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); | |
585 | return 0; | |
586 | } | |
587 | #else | |
588 | #define uda134x_soc_suspend NULL | |
589 | #define uda134x_soc_resume NULL | |
590 | #endif /* CONFIG_PM */ | |
591 | ||
f0fba2ad | 592 | static struct snd_soc_codec_driver soc_codec_dev_uda134x = { |
1cad1de1 CP |
593 | .probe = uda134x_soc_probe, |
594 | .remove = uda134x_soc_remove, | |
595 | .suspend = uda134x_soc_suspend, | |
596 | .resume = uda134x_soc_resume, | |
f0fba2ad LG |
597 | .reg_cache_size = sizeof(uda134x_reg), |
598 | .reg_word_size = sizeof(u8), | |
2811fe2b | 599 | .reg_cache_default = uda134x_reg, |
f0fba2ad LG |
600 | .reg_cache_step = 1, |
601 | .read = uda134x_read_reg_cache, | |
602 | .write = uda134x_write, | |
f0fba2ad | 603 | .set_bias_level = uda134x_set_bias_level, |
f0fba2ad LG |
604 | }; |
605 | ||
606 | static int __devinit uda134x_codec_probe(struct platform_device *pdev) | |
607 | { | |
608 | return snd_soc_register_codec(&pdev->dev, | |
609 | &soc_codec_dev_uda134x, &uda134x_dai, 1); | |
610 | } | |
611 | ||
612 | static int __devexit uda134x_codec_remove(struct platform_device *pdev) | |
613 | { | |
614 | snd_soc_unregister_codec(&pdev->dev); | |
615 | return 0; | |
616 | } | |
617 | ||
618 | static struct platform_driver uda134x_codec_driver = { | |
619 | .driver = { | |
620 | .name = "uda134x-codec", | |
621 | .owner = THIS_MODULE, | |
622 | }, | |
623 | .probe = uda134x_codec_probe, | |
624 | .remove = __devexit_p(uda134x_codec_remove), | |
1cad1de1 | 625 | }; |
1cad1de1 | 626 | |
5bbcc3c0 | 627 | module_platform_driver(uda134x_codec_driver); |
64089b84 | 628 | |
1cad1de1 CP |
629 | MODULE_DESCRIPTION("UDA134X ALSA soc codec driver"); |
630 | MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>"); | |
631 | MODULE_LICENSE("GPL"); |