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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> | |
22 | #include <sound/soc-dapm.h> | |
23 | #include <sound/initval.h> | |
24 | ||
25 | #include <sound/uda134x.h> | |
26 | #include <sound/l3.h> | |
27 | ||
72f2b894 | 28 | #include "uda134x.h" |
1cad1de1 CP |
29 | |
30 | ||
1cad1de1 CP |
31 | #define UDA134X_RATES SNDRV_PCM_RATE_8000_48000 |
32 | #define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ | |
33 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE) | |
34 | ||
35 | struct uda134x_priv { | |
36 | int sysclk; | |
37 | int dai_fmt; | |
38 | ||
39 | struct snd_pcm_substream *master_substream; | |
40 | struct snd_pcm_substream *slave_substream; | |
41 | }; | |
42 | ||
43 | /* In-data addresses are hard-coded into the reg-cache values */ | |
44 | static const char uda134x_reg[UDA134X_REGS_NUM] = { | |
45 | /* Extended address registers */ | |
46 | 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, | |
47 | /* Status, data regs */ | |
ed632ad3 | 48 | 0x00, 0x83, 0x00, 0x40, 0x80, 0xC0, 0x00, |
1cad1de1 CP |
49 | }; |
50 | ||
51 | /* | |
52 | * The codec has no support for reading its registers except for peak level... | |
53 | */ | |
54 | static inline unsigned int uda134x_read_reg_cache(struct snd_soc_codec *codec, | |
55 | unsigned int reg) | |
56 | { | |
57 | u8 *cache = codec->reg_cache; | |
58 | ||
59 | if (reg >= UDA134X_REGS_NUM) | |
60 | return -1; | |
61 | return cache[reg]; | |
62 | } | |
63 | ||
64 | /* | |
65 | * Write the register cache | |
66 | */ | |
67 | static inline void uda134x_write_reg_cache(struct snd_soc_codec *codec, | |
68 | u8 reg, unsigned int value) | |
69 | { | |
70 | u8 *cache = codec->reg_cache; | |
71 | ||
72 | if (reg >= UDA134X_REGS_NUM) | |
73 | return; | |
74 | cache[reg] = value; | |
75 | } | |
76 | ||
77 | /* | |
78 | * Write to the uda134x registers | |
79 | * | |
80 | */ | |
81 | static int uda134x_write(struct snd_soc_codec *codec, unsigned int reg, | |
82 | unsigned int value) | |
83 | { | |
84 | int ret; | |
85 | u8 addr; | |
86 | u8 data = value; | |
87 | struct uda134x_platform_data *pd = codec->control_data; | |
88 | ||
89 | pr_debug("%s reg: %02X, value:%02X\n", __func__, reg, value); | |
90 | ||
91 | if (reg >= UDA134X_REGS_NUM) { | |
af901ca1 | 92 | printk(KERN_ERR "%s unknown register: reg: %u", |
1cad1de1 CP |
93 | __func__, reg); |
94 | return -EINVAL; | |
95 | } | |
96 | ||
97 | uda134x_write_reg_cache(codec, reg, value); | |
98 | ||
99 | switch (reg) { | |
100 | case UDA134X_STATUS0: | |
101 | case UDA134X_STATUS1: | |
102 | addr = UDA134X_STATUS_ADDR; | |
103 | break; | |
104 | case UDA134X_DATA000: | |
105 | case UDA134X_DATA001: | |
106 | case UDA134X_DATA010: | |
ed632ad3 | 107 | case UDA134X_DATA011: |
1cad1de1 CP |
108 | addr = UDA134X_DATA0_ADDR; |
109 | break; | |
110 | case UDA134X_DATA1: | |
111 | addr = UDA134X_DATA1_ADDR; | |
112 | break; | |
113 | default: | |
114 | /* It's an extended address register */ | |
115 | addr = (reg | UDA134X_EXTADDR_PREFIX); | |
116 | ||
117 | ret = l3_write(&pd->l3, | |
118 | UDA134X_DATA0_ADDR, &addr, 1); | |
119 | if (ret != 1) | |
120 | return -EIO; | |
121 | ||
122 | addr = UDA134X_DATA0_ADDR; | |
123 | data = (value | UDA134X_EXTDATA_PREFIX); | |
124 | break; | |
125 | } | |
126 | ||
127 | ret = l3_write(&pd->l3, | |
128 | addr, &data, 1); | |
129 | if (ret != 1) | |
130 | return -EIO; | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
135 | static inline void uda134x_reset(struct snd_soc_codec *codec) | |
136 | { | |
137 | u8 reset_reg = uda134x_read_reg_cache(codec, UDA134X_STATUS0); | |
138 | uda134x_write(codec, UDA134X_STATUS0, reset_reg | (1<<6)); | |
139 | msleep(1); | |
140 | uda134x_write(codec, UDA134X_STATUS0, reset_reg & ~(1<<6)); | |
141 | } | |
142 | ||
143 | static int uda134x_mute(struct snd_soc_dai *dai, int mute) | |
144 | { | |
145 | struct snd_soc_codec *codec = dai->codec; | |
146 | u8 mute_reg = uda134x_read_reg_cache(codec, UDA134X_DATA010); | |
147 | ||
148 | pr_debug("%s mute: %d\n", __func__, mute); | |
149 | ||
150 | if (mute) | |
151 | mute_reg |= (1<<2); | |
152 | else | |
153 | mute_reg &= ~(1<<2); | |
154 | ||
0c093fb5 | 155 | uda134x_write(codec, UDA134X_DATA010, mute_reg); |
1cad1de1 CP |
156 | |
157 | return 0; | |
158 | } | |
159 | ||
dee89c4d MB |
160 | static int uda134x_startup(struct snd_pcm_substream *substream, |
161 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
162 | { |
163 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
164 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 165 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 166 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
167 | struct snd_pcm_runtime *master_runtime; |
168 | ||
169 | if (uda134x->master_substream) { | |
170 | master_runtime = uda134x->master_substream->runtime; | |
171 | ||
172 | pr_debug("%s constraining to %d bits at %d\n", __func__, | |
173 | master_runtime->sample_bits, | |
174 | master_runtime->rate); | |
175 | ||
176 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
177 | SNDRV_PCM_HW_PARAM_RATE, | |
178 | master_runtime->rate, | |
179 | master_runtime->rate); | |
180 | ||
181 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
182 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
183 | master_runtime->sample_bits, | |
184 | master_runtime->sample_bits); | |
185 | ||
186 | uda134x->slave_substream = substream; | |
187 | } else | |
188 | uda134x->master_substream = substream; | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
dee89c4d MB |
193 | static void uda134x_shutdown(struct snd_pcm_substream *substream, |
194 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
195 | { |
196 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
197 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 198 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 199 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
200 | |
201 | if (uda134x->master_substream == substream) | |
202 | uda134x->master_substream = uda134x->slave_substream; | |
203 | ||
204 | uda134x->slave_substream = NULL; | |
205 | } | |
206 | ||
207 | static int uda134x_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
208 | struct snd_pcm_hw_params *params, |
209 | struct snd_soc_dai *dai) | |
1cad1de1 CP |
210 | { |
211 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
212 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 213 | struct snd_soc_codec *codec = socdev->card->codec; |
b2c812e2 | 214 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
215 | u8 hw_params; |
216 | ||
217 | if (substream == uda134x->slave_substream) { | |
218 | pr_debug("%s ignoring hw_params for slave substream\n", | |
219 | __func__); | |
220 | return 0; | |
221 | } | |
222 | ||
223 | hw_params = uda134x_read_reg_cache(codec, UDA134X_STATUS0); | |
224 | hw_params &= STATUS0_SYSCLK_MASK; | |
225 | hw_params &= STATUS0_DAIFMT_MASK; | |
226 | ||
227 | pr_debug("%s sysclk: %d, rate:%d\n", __func__, | |
228 | uda134x->sysclk, params_rate(params)); | |
229 | ||
230 | /* set SYSCLK / fs ratio */ | |
231 | switch (uda134x->sysclk / params_rate(params)) { | |
232 | case 512: | |
233 | break; | |
234 | case 384: | |
235 | hw_params |= (1<<4); | |
236 | break; | |
237 | case 256: | |
238 | hw_params |= (1<<5); | |
239 | break; | |
240 | default: | |
241 | printk(KERN_ERR "%s unsupported fs\n", __func__); | |
242 | return -EINVAL; | |
243 | } | |
244 | ||
245 | pr_debug("%s dai_fmt: %d, params_format:%d\n", __func__, | |
246 | uda134x->dai_fmt, params_format(params)); | |
247 | ||
248 | /* set DAI format and word length */ | |
249 | switch (uda134x->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
250 | case SND_SOC_DAIFMT_I2S: | |
251 | break; | |
252 | case SND_SOC_DAIFMT_RIGHT_J: | |
253 | switch (params_format(params)) { | |
254 | case SNDRV_PCM_FORMAT_S16_LE: | |
255 | hw_params |= (1<<1); | |
256 | break; | |
257 | case SNDRV_PCM_FORMAT_S18_3LE: | |
258 | hw_params |= (1<<2); | |
259 | break; | |
260 | case SNDRV_PCM_FORMAT_S20_3LE: | |
261 | hw_params |= ((1<<2) | (1<<1)); | |
262 | break; | |
263 | default: | |
264 | printk(KERN_ERR "%s unsupported format (right)\n", | |
265 | __func__); | |
266 | return -EINVAL; | |
267 | } | |
268 | break; | |
269 | case SND_SOC_DAIFMT_LEFT_J: | |
270 | hw_params |= (1<<3); | |
271 | break; | |
272 | default: | |
273 | printk(KERN_ERR "%s unsupported format\n", __func__); | |
274 | return -EINVAL; | |
275 | } | |
276 | ||
277 | uda134x_write(codec, UDA134X_STATUS0, hw_params); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static int uda134x_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
283 | int clk_id, unsigned int freq, int dir) | |
284 | { | |
285 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 286 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 | 287 | |
449bd54d | 288 | pr_debug("%s clk_id: %d, freq: %u, dir: %d\n", __func__, |
1cad1de1 CP |
289 | clk_id, freq, dir); |
290 | ||
291 | /* Anything between 256fs*8Khz and 512fs*48Khz should be acceptable | |
292 | because the codec is slave. Of course limitations of the clock | |
293 | master (the IIS controller) apply. | |
294 | We'll error out on set_hw_params if it's not OK */ | |
295 | if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) { | |
296 | uda134x->sysclk = freq; | |
297 | return 0; | |
298 | } | |
299 | ||
300 | printk(KERN_ERR "%s unsupported sysclk\n", __func__); | |
301 | return -EINVAL; | |
302 | } | |
303 | ||
304 | static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
305 | unsigned int fmt) | |
306 | { | |
307 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 308 | struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec); |
1cad1de1 CP |
309 | |
310 | pr_debug("%s fmt: %08X\n", __func__, fmt); | |
311 | ||
312 | /* codec supports only full slave mode */ | |
313 | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) { | |
314 | printk(KERN_ERR "%s unsupported slave mode\n", __func__); | |
315 | return -EINVAL; | |
316 | } | |
317 | ||
318 | /* no support for clock inversion */ | |
319 | if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { | |
320 | printk(KERN_ERR "%s unsupported clock inversion\n", __func__); | |
321 | return -EINVAL; | |
322 | } | |
323 | ||
324 | /* We can't setup DAI format here as it depends on the word bit num */ | |
325 | /* so let's just store the value for later */ | |
326 | uda134x->dai_fmt = fmt; | |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
331 | static int uda134x_set_bias_level(struct snd_soc_codec *codec, | |
332 | enum snd_soc_bias_level level) | |
333 | { | |
334 | u8 reg; | |
335 | struct uda134x_platform_data *pd = codec->control_data; | |
336 | int i; | |
337 | u8 *cache = codec->reg_cache; | |
338 | ||
339 | pr_debug("%s bias level %d\n", __func__, level); | |
340 | ||
341 | switch (level) { | |
342 | case SND_SOC_BIAS_ON: | |
343 | /* ADC, DAC on */ | |
338de9d9 VZ |
344 | switch (pd->model) { |
345 | case UDA134X_UDA1340: | |
346 | case UDA134X_UDA1344: | |
347 | case UDA134X_UDA1345: | |
348 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); | |
349 | uda134x_write(codec, UDA134X_DATA011, reg | 0x03); | |
350 | break; | |
351 | case UDA134X_UDA1341: | |
352 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); | |
353 | uda134x_write(codec, UDA134X_STATUS1, reg | 0x03); | |
354 | break; | |
355 | default: | |
356 | printk(KERN_ERR "UDA134X SoC codec: " | |
357 | "unsupported model %d\n", pd->model); | |
358 | return -EINVAL; | |
359 | } | |
1cad1de1 CP |
360 | break; |
361 | case SND_SOC_BIAS_PREPARE: | |
362 | /* power on */ | |
363 | if (pd->power) { | |
364 | pd->power(1); | |
365 | /* Sync reg_cache with the hardware */ | |
366 | for (i = 0; i < ARRAY_SIZE(uda134x_reg); i++) | |
367 | codec->write(codec, i, *cache++); | |
368 | } | |
369 | break; | |
370 | case SND_SOC_BIAS_STANDBY: | |
371 | /* ADC, DAC power off */ | |
338de9d9 VZ |
372 | switch (pd->model) { |
373 | case UDA134X_UDA1340: | |
374 | case UDA134X_UDA1344: | |
375 | case UDA134X_UDA1345: | |
376 | reg = uda134x_read_reg_cache(codec, UDA134X_DATA011); | |
377 | uda134x_write(codec, UDA134X_DATA011, reg & ~(0x03)); | |
378 | break; | |
379 | case UDA134X_UDA1341: | |
380 | reg = uda134x_read_reg_cache(codec, UDA134X_STATUS1); | |
381 | uda134x_write(codec, UDA134X_STATUS1, reg & ~(0x03)); | |
382 | break; | |
383 | default: | |
384 | printk(KERN_ERR "UDA134X SoC codec: " | |
385 | "unsupported model %d\n", pd->model); | |
386 | return -EINVAL; | |
387 | } | |
1cad1de1 CP |
388 | break; |
389 | case SND_SOC_BIAS_OFF: | |
390 | /* power off */ | |
391 | if (pd->power) | |
392 | pd->power(0); | |
393 | break; | |
394 | } | |
395 | codec->bias_level = level; | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static const char *uda134x_dsp_setting[] = {"Flat", "Minimum1", | |
400 | "Minimum2", "Maximum"}; | |
401 | static const char *uda134x_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
402 | static const char *uda134x_mixmode[] = {"Differential", "Analog1", | |
403 | "Analog2", "Both"}; | |
404 | ||
405 | static const struct soc_enum uda134x_mixer_enum[] = { | |
406 | SOC_ENUM_SINGLE(UDA134X_DATA010, 0, 0x04, uda134x_dsp_setting), | |
407 | SOC_ENUM_SINGLE(UDA134X_DATA010, 3, 0x04, uda134x_deemph), | |
408 | SOC_ENUM_SINGLE(UDA134X_EA010, 0, 0x04, uda134x_mixmode), | |
409 | }; | |
410 | ||
411 | static const struct snd_kcontrol_new uda1341_snd_controls[] = { | |
412 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
413 | SOC_SINGLE("Capture Volume", UDA134X_EA010, 2, 0x07, 0), | |
414 | SOC_SINGLE("Analog1 Volume", UDA134X_EA000, 0, 0x1F, 1), | |
415 | SOC_SINGLE("Analog2 Volume", UDA134X_EA001, 0, 0x1F, 1), | |
416 | ||
417 | SOC_SINGLE("Mic Sensitivity", UDA134X_EA010, 2, 7, 0), | |
418 | SOC_SINGLE("Mic Volume", UDA134X_EA101, 0, 0x1F, 0), | |
419 | ||
420 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), | |
421 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), | |
422 | ||
423 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), | |
424 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
425 | SOC_ENUM("Input Mux", uda134x_mixer_enum[2]), | |
426 | ||
427 | SOC_SINGLE("AGC Switch", UDA134X_EA100, 4, 1, 0), | |
428 | SOC_SINGLE("AGC Target Volume", UDA134X_EA110, 0, 0x03, 1), | |
429 | SOC_SINGLE("AGC Timing", UDA134X_EA110, 2, 0x07, 0), | |
430 | ||
431 | SOC_SINGLE("DAC +6dB Switch", UDA134X_STATUS1, 6, 1, 0), | |
432 | SOC_SINGLE("ADC +6dB Switch", UDA134X_STATUS1, 5, 1, 0), | |
433 | SOC_SINGLE("ADC Polarity Switch", UDA134X_STATUS1, 4, 1, 0), | |
434 | SOC_SINGLE("DAC Polarity Switch", UDA134X_STATUS1, 3, 1, 0), | |
435 | SOC_SINGLE("Double Speed Playback Switch", UDA134X_STATUS1, 2, 1, 0), | |
436 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
437 | }; | |
438 | ||
439 | static const struct snd_kcontrol_new uda1340_snd_controls[] = { | |
440 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
441 | ||
442 | SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), | |
443 | SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), | |
444 | ||
445 | SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), | |
446 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
447 | ||
448 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
449 | }; | |
450 | ||
b28528a1 VZ |
451 | static const struct snd_kcontrol_new uda1345_snd_controls[] = { |
452 | SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), | |
453 | ||
454 | SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), | |
455 | ||
456 | SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), | |
457 | }; | |
458 | ||
6335d055 EM |
459 | static struct snd_soc_dai_ops uda134x_dai_ops = { |
460 | .startup = uda134x_startup, | |
461 | .shutdown = uda134x_shutdown, | |
462 | .hw_params = uda134x_hw_params, | |
463 | .digital_mute = uda134x_mute, | |
464 | .set_sysclk = uda134x_set_dai_sysclk, | |
465 | .set_fmt = uda134x_set_dai_fmt, | |
466 | }; | |
467 | ||
1cad1de1 CP |
468 | struct snd_soc_dai uda134x_dai = { |
469 | .name = "UDA134X", | |
470 | /* playback capabilities */ | |
471 | .playback = { | |
472 | .stream_name = "Playback", | |
473 | .channels_min = 1, | |
474 | .channels_max = 2, | |
475 | .rates = UDA134X_RATES, | |
476 | .formats = UDA134X_FORMATS, | |
477 | }, | |
478 | /* capture capabilities */ | |
479 | .capture = { | |
480 | .stream_name = "Capture", | |
481 | .channels_min = 1, | |
482 | .channels_max = 2, | |
483 | .rates = UDA134X_RATES, | |
484 | .formats = UDA134X_FORMATS, | |
485 | }, | |
486 | /* pcm operations */ | |
6335d055 | 487 | .ops = &uda134x_dai_ops, |
1cad1de1 CP |
488 | }; |
489 | EXPORT_SYMBOL(uda134x_dai); | |
490 | ||
491 | ||
492 | static int uda134x_soc_probe(struct platform_device *pdev) | |
493 | { | |
494 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
495 | struct snd_soc_codec *codec; | |
496 | struct uda134x_priv *uda134x; | |
497 | void *codec_setup_data = socdev->codec_data; | |
498 | int ret = -ENOMEM; | |
499 | struct uda134x_platform_data *pd; | |
500 | ||
501 | printk(KERN_INFO "UDA134X SoC Audio Codec\n"); | |
502 | ||
503 | if (!codec_setup_data) { | |
504 | printk(KERN_ERR "UDA134X SoC codec: " | |
505 | "missing L3 bitbang function\n"); | |
506 | return -ENODEV; | |
507 | } | |
508 | ||
509 | pd = codec_setup_data; | |
510 | switch (pd->model) { | |
511 | case UDA134X_UDA1340: | |
512 | case UDA134X_UDA1341: | |
513 | case UDA134X_UDA1344: | |
b28528a1 | 514 | case UDA134X_UDA1345: |
1cad1de1 CP |
515 | break; |
516 | default: | |
517 | printk(KERN_ERR "UDA134X SoC codec: " | |
518 | "unsupported model %d\n", | |
519 | pd->model); | |
520 | return -EINVAL; | |
521 | } | |
522 | ||
6627a653 MB |
523 | socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
524 | if (socdev->card->codec == NULL) | |
1cad1de1 CP |
525 | return ret; |
526 | ||
6627a653 | 527 | codec = socdev->card->codec; |
1cad1de1 CP |
528 | |
529 | uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL); | |
530 | if (uda134x == NULL) | |
531 | goto priv_err; | |
b2c812e2 | 532 | snd_soc_codec_set_drvdata(codec, uda134x); |
1cad1de1 CP |
533 | |
534 | codec->reg_cache = kmemdup(uda134x_reg, sizeof(uda134x_reg), | |
535 | GFP_KERNEL); | |
536 | if (codec->reg_cache == NULL) | |
537 | goto reg_err; | |
538 | ||
539 | mutex_init(&codec->mutex); | |
540 | ||
541 | codec->reg_cache_size = sizeof(uda134x_reg); | |
542 | codec->reg_cache_step = 1; | |
543 | ||
544 | codec->name = "UDA134X"; | |
545 | codec->owner = THIS_MODULE; | |
546 | codec->dai = &uda134x_dai; | |
547 | codec->num_dai = 1; | |
548 | codec->read = uda134x_read_reg_cache; | |
549 | codec->write = uda134x_write; | |
cc3202f5 | 550 | |
1cad1de1 CP |
551 | INIT_LIST_HEAD(&codec->dapm_widgets); |
552 | INIT_LIST_HEAD(&codec->dapm_paths); | |
553 | ||
554 | codec->control_data = codec_setup_data; | |
555 | ||
556 | if (pd->power) | |
557 | pd->power(1); | |
558 | ||
559 | uda134x_reset(codec); | |
560 | ||
e4295b40 VZ |
561 | if (pd->is_powered_on_standby) { |
562 | codec->set_bias_level = NULL; | |
563 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); | |
564 | } else { | |
565 | codec->set_bias_level = uda134x_set_bias_level; | |
566 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
567 | } | |
568 | ||
1cad1de1 CP |
569 | /* register pcms */ |
570 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
571 | if (ret < 0) { | |
572 | printk(KERN_ERR "UDA134X: failed to register pcms\n"); | |
573 | goto pcm_err; | |
574 | } | |
575 | ||
3e8e1952 IM |
576 | switch (pd->model) { |
577 | case UDA134X_UDA1340: | |
578 | case UDA134X_UDA1344: | |
579 | ret = snd_soc_add_controls(codec, uda1340_snd_controls, | |
580 | ARRAY_SIZE(uda1340_snd_controls)); | |
581 | break; | |
582 | case UDA134X_UDA1341: | |
583 | ret = snd_soc_add_controls(codec, uda1341_snd_controls, | |
584 | ARRAY_SIZE(uda1341_snd_controls)); | |
585 | break; | |
b28528a1 VZ |
586 | case UDA134X_UDA1345: |
587 | ret = snd_soc_add_controls(codec, uda1345_snd_controls, | |
588 | ARRAY_SIZE(uda1345_snd_controls)); | |
589 | break; | |
3e8e1952 | 590 | default: |
af901ca1 | 591 | printk(KERN_ERR "%s unknown codec type: %d", |
3e8e1952 IM |
592 | __func__, pd->model); |
593 | return -EINVAL; | |
594 | } | |
595 | ||
1cad1de1 CP |
596 | if (ret < 0) { |
597 | printk(KERN_ERR "UDA134X: failed to register controls\n"); | |
598 | goto pcm_err; | |
599 | } | |
600 | ||
1cad1de1 CP |
601 | return 0; |
602 | ||
1cad1de1 CP |
603 | pcm_err: |
604 | kfree(codec->reg_cache); | |
605 | reg_err: | |
b2c812e2 | 606 | kfree(snd_soc_codec_get_drvdata(codec)); |
1cad1de1 CP |
607 | priv_err: |
608 | kfree(codec); | |
609 | return ret; | |
610 | } | |
611 | ||
612 | /* power down chip */ | |
613 | static int uda134x_soc_remove(struct platform_device *pdev) | |
614 | { | |
615 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 616 | struct snd_soc_codec *codec = socdev->card->codec; |
1cad1de1 CP |
617 | |
618 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
619 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
620 | ||
621 | snd_soc_free_pcms(socdev); | |
622 | snd_soc_dapm_free(socdev); | |
623 | ||
b2c812e2 | 624 | kfree(snd_soc_codec_get_drvdata(codec)); |
1cad1de1 CP |
625 | kfree(codec->reg_cache); |
626 | kfree(codec); | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
631 | #if defined(CONFIG_PM) | |
632 | static int uda134x_soc_suspend(struct platform_device *pdev, | |
633 | pm_message_t state) | |
634 | { | |
635 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 636 | struct snd_soc_codec *codec = socdev->card->codec; |
1cad1de1 CP |
637 | |
638 | uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
639 | uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static int uda134x_soc_resume(struct platform_device *pdev) | |
644 | { | |
645 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 646 | struct snd_soc_codec *codec = socdev->card->codec; |
1cad1de1 CP |
647 | |
648 | uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE); | |
649 | uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); | |
650 | return 0; | |
651 | } | |
652 | #else | |
653 | #define uda134x_soc_suspend NULL | |
654 | #define uda134x_soc_resume NULL | |
655 | #endif /* CONFIG_PM */ | |
656 | ||
657 | struct snd_soc_codec_device soc_codec_dev_uda134x = { | |
658 | .probe = uda134x_soc_probe, | |
659 | .remove = uda134x_soc_remove, | |
660 | .suspend = uda134x_soc_suspend, | |
661 | .resume = uda134x_soc_resume, | |
662 | }; | |
663 | EXPORT_SYMBOL_GPL(soc_codec_dev_uda134x); | |
664 | ||
c9b3a40f | 665 | static int __init uda134x_init(void) |
64089b84 MB |
666 | { |
667 | return snd_soc_register_dai(&uda134x_dai); | |
668 | } | |
669 | module_init(uda134x_init); | |
670 | ||
671 | static void __exit uda134x_exit(void) | |
672 | { | |
673 | snd_soc_unregister_dai(&uda134x_dai); | |
674 | } | |
675 | module_exit(uda134x_exit); | |
676 | ||
1cad1de1 CP |
677 | MODULE_DESCRIPTION("UDA134X ALSA soc codec driver"); |
678 | MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>"); | |
679 | MODULE_LICENSE("GPL"); |