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Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
992bee40 IL |
2 | /* |
3 | * wm8741.c -- WM8741 ALSA SoC Audio driver | |
4 | * | |
656baaeb | 5 | * Copyright 2010-1 Wolfson Microelectronics plc |
992bee40 IL |
6 | * |
7 | * Author: Ian Lartey <ian@opensource.wolfsonmicro.com> | |
992bee40 IL |
8 | */ |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/moduleparam.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/pm.h> | |
15 | #include <linux/i2c.h> | |
39e9b8d2 | 16 | #include <linux/spi/spi.h> |
fe98c0cf | 17 | #include <linux/regmap.h> |
992bee40 IL |
18 | #include <linux/regulator/consumer.h> |
19 | #include <linux/slab.h> | |
80080ec5 | 20 | #include <linux/of_device.h> |
992bee40 IL |
21 | #include <sound/core.h> |
22 | #include <sound/pcm.h> | |
23 | #include <sound/pcm_params.h> | |
24 | #include <sound/soc.h> | |
992bee40 IL |
25 | #include <sound/initval.h> |
26 | #include <sound/tlv.h> | |
27 | ||
28 | #include "wm8741.h" | |
29 | ||
992bee40 IL |
30 | #define WM8741_NUM_SUPPLIES 2 |
31 | static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = { | |
32 | "AVDD", | |
33 | "DVDD", | |
34 | }; | |
35 | ||
992bee40 IL |
36 | /* codec private data */ |
37 | struct wm8741_priv { | |
c354b54c | 38 | struct wm8741_platform_data pdata; |
fe98c0cf | 39 | struct regmap *regmap; |
992bee40 IL |
40 | struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES]; |
41 | unsigned int sysclk; | |
70bad2c7 | 42 | const struct snd_pcm_hw_constraint_list *sysclk_constraints; |
992bee40 IL |
43 | }; |
44 | ||
fe98c0cf MB |
45 | static const struct reg_default wm8741_reg_defaults[] = { |
46 | { 0, 0x0000 }, /* R0 - DACLLSB Attenuation */ | |
47 | { 1, 0x0000 }, /* R1 - DACLMSB Attenuation */ | |
48 | { 2, 0x0000 }, /* R2 - DACRLSB Attenuation */ | |
49 | { 3, 0x0000 }, /* R3 - DACRMSB Attenuation */ | |
50 | { 4, 0x0000 }, /* R4 - Volume Control */ | |
51 | { 5, 0x000A }, /* R5 - Format Control */ | |
52 | { 6, 0x0000 }, /* R6 - Filter Control */ | |
53 | { 7, 0x0000 }, /* R7 - Mode Control 1 */ | |
54 | { 8, 0x0002 }, /* R8 - Mode Control 2 */ | |
55 | { 32, 0x0002 }, /* R32 - ADDITONAL_CONTROL_1 */ | |
992bee40 IL |
56 | }; |
57 | ||
9b6a00f7 | 58 | static int wm8741_reset(struct snd_soc_component *component) |
992bee40 | 59 | { |
9b6a00f7 | 60 | return snd_soc_component_write(component, WM8741_RESET, 0); |
992bee40 IL |
61 | } |
62 | ||
63 | static const DECLARE_TLV_DB_SCALE(dac_tlv_fine, -12700, 13, 0); | |
64 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 400, 0); | |
65 | ||
c354b54c | 66 | static const struct snd_kcontrol_new wm8741_snd_controls_stereo[] = { |
992bee40 IL |
67 | SOC_DOUBLE_R_TLV("Fine Playback Volume", WM8741_DACLLSB_ATTENUATION, |
68 | WM8741_DACRLSB_ATTENUATION, 1, 255, 1, dac_tlv_fine), | |
69 | SOC_DOUBLE_R_TLV("Playback Volume", WM8741_DACLMSB_ATTENUATION, | |
70 | WM8741_DACRMSB_ATTENUATION, 0, 511, 1, dac_tlv), | |
71 | }; | |
72 | ||
c354b54c SS |
73 | static const struct snd_kcontrol_new wm8741_snd_controls_mono_left[] = { |
74 | SOC_SINGLE_TLV("Fine Playback Volume", WM8741_DACLLSB_ATTENUATION, | |
75 | 1, 255, 1, dac_tlv_fine), | |
76 | SOC_SINGLE_TLV("Playback Volume", WM8741_DACLMSB_ATTENUATION, | |
77 | 0, 511, 1, dac_tlv), | |
78 | }; | |
79 | ||
80 | static const struct snd_kcontrol_new wm8741_snd_controls_mono_right[] = { | |
81 | SOC_SINGLE_TLV("Fine Playback Volume", WM8741_DACRLSB_ATTENUATION, | |
82 | 1, 255, 1, dac_tlv_fine), | |
83 | SOC_SINGLE_TLV("Playback Volume", WM8741_DACRMSB_ATTENUATION, | |
84 | 0, 511, 1, dac_tlv), | |
85 | }; | |
86 | ||
992bee40 IL |
87 | static const struct snd_soc_dapm_widget wm8741_dapm_widgets[] = { |
88 | SND_SOC_DAPM_DAC("DACL", "Playback", SND_SOC_NOPM, 0, 0), | |
89 | SND_SOC_DAPM_DAC("DACR", "Playback", SND_SOC_NOPM, 0, 0), | |
90 | SND_SOC_DAPM_OUTPUT("VOUTLP"), | |
91 | SND_SOC_DAPM_OUTPUT("VOUTLN"), | |
92 | SND_SOC_DAPM_OUTPUT("VOUTRP"), | |
93 | SND_SOC_DAPM_OUTPUT("VOUTRN"), | |
94 | }; | |
95 | ||
0e62780f | 96 | static const struct snd_soc_dapm_route wm8741_dapm_routes[] = { |
992bee40 IL |
97 | { "VOUTLP", NULL, "DACL" }, |
98 | { "VOUTLN", NULL, "DACL" }, | |
99 | { "VOUTRP", NULL, "DACR" }, | |
100 | { "VOUTRN", NULL, "DACR" }, | |
101 | }; | |
102 | ||
70bad2c7 | 103 | static const unsigned int rates_11289[] = { |
8787041d | 104 | 44100, 88200, |
3fe4a5ee IL |
105 | }; |
106 | ||
70bad2c7 | 107 | static const struct snd_pcm_hw_constraint_list constraints_11289 = { |
3fe4a5ee IL |
108 | .count = ARRAY_SIZE(rates_11289), |
109 | .list = rates_11289, | |
110 | }; | |
111 | ||
70bad2c7 | 112 | static const unsigned int rates_12288[] = { |
3fe4a5ee IL |
113 | 32000, 48000, 96000, |
114 | }; | |
115 | ||
70bad2c7 | 116 | static const struct snd_pcm_hw_constraint_list constraints_12288 = { |
3fe4a5ee IL |
117 | .count = ARRAY_SIZE(rates_12288), |
118 | .list = rates_12288, | |
119 | }; | |
120 | ||
70bad2c7 | 121 | static const unsigned int rates_16384[] = { |
3fe4a5ee IL |
122 | 32000, |
123 | }; | |
124 | ||
70bad2c7 | 125 | static const struct snd_pcm_hw_constraint_list constraints_16384 = { |
3fe4a5ee IL |
126 | .count = ARRAY_SIZE(rates_16384), |
127 | .list = rates_16384, | |
128 | }; | |
129 | ||
70bad2c7 | 130 | static const unsigned int rates_16934[] = { |
8787041d | 131 | 44100, 88200, |
3fe4a5ee IL |
132 | }; |
133 | ||
70bad2c7 | 134 | static const struct snd_pcm_hw_constraint_list constraints_16934 = { |
3fe4a5ee IL |
135 | .count = ARRAY_SIZE(rates_16934), |
136 | .list = rates_16934, | |
137 | }; | |
138 | ||
70bad2c7 | 139 | static const unsigned int rates_18432[] = { |
3fe4a5ee IL |
140 | 48000, 96000, |
141 | }; | |
142 | ||
70bad2c7 | 143 | static const struct snd_pcm_hw_constraint_list constraints_18432 = { |
3fe4a5ee IL |
144 | .count = ARRAY_SIZE(rates_18432), |
145 | .list = rates_18432, | |
146 | }; | |
147 | ||
70bad2c7 | 148 | static const unsigned int rates_22579[] = { |
8787041d | 149 | 44100, 88200, 176400 |
3fe4a5ee IL |
150 | }; |
151 | ||
70bad2c7 | 152 | static const struct snd_pcm_hw_constraint_list constraints_22579 = { |
3fe4a5ee IL |
153 | .count = ARRAY_SIZE(rates_22579), |
154 | .list = rates_22579, | |
155 | }; | |
156 | ||
70bad2c7 | 157 | static const unsigned int rates_24576[] = { |
3fe4a5ee IL |
158 | 32000, 48000, 96000, 192000 |
159 | }; | |
160 | ||
70bad2c7 | 161 | static const struct snd_pcm_hw_constraint_list constraints_24576 = { |
3fe4a5ee IL |
162 | .count = ARRAY_SIZE(rates_24576), |
163 | .list = rates_24576, | |
164 | }; | |
165 | ||
70bad2c7 | 166 | static const unsigned int rates_36864[] = { |
8787041d | 167 | 48000, 96000, 192000 |
3fe4a5ee IL |
168 | }; |
169 | ||
70bad2c7 | 170 | static const struct snd_pcm_hw_constraint_list constraints_36864 = { |
3fe4a5ee IL |
171 | .count = ARRAY_SIZE(rates_36864), |
172 | .list = rates_36864, | |
992bee40 IL |
173 | }; |
174 | ||
992bee40 IL |
175 | static int wm8741_startup(struct snd_pcm_substream *substream, |
176 | struct snd_soc_dai *dai) | |
177 | { | |
9b6a00f7 KM |
178 | struct snd_soc_component *component = dai->component; |
179 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); | |
992bee40 | 180 | |
e369bd00 SS |
181 | if (wm8741->sysclk) |
182 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
183 | SNDRV_PCM_HW_PARAM_RATE, | |
184 | wm8741->sysclk_constraints); | |
992bee40 IL |
185 | |
186 | return 0; | |
187 | } | |
188 | ||
189 | static int wm8741_hw_params(struct snd_pcm_substream *substream, | |
190 | struct snd_pcm_hw_params *params, | |
191 | struct snd_soc_dai *dai) | |
192 | { | |
9b6a00f7 KM |
193 | struct snd_soc_component *component = dai->component; |
194 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); | |
e9418629 | 195 | unsigned int iface, mode; |
992bee40 IL |
196 | int i; |
197 | ||
e369bd00 SS |
198 | /* The set of sample rates that can be supported depends on the |
199 | * MCLK supplied to the CODEC - enforce this. | |
200 | */ | |
201 | if (!wm8741->sysclk) { | |
9b6a00f7 | 202 | dev_err(component->dev, |
e369bd00 SS |
203 | "No MCLK configured, call set_sysclk() on init or in hw_params\n"); |
204 | return -EINVAL; | |
205 | } | |
206 | ||
207 | /* Find a supported LRCLK rate */ | |
208 | for (i = 0; i < wm8741->sysclk_constraints->count; i++) { | |
209 | if (wm8741->sysclk_constraints->list[i] == params_rate(params)) | |
992bee40 IL |
210 | break; |
211 | } | |
212 | ||
e369bd00 | 213 | if (i == wm8741->sysclk_constraints->count) { |
9b6a00f7 | 214 | dev_err(component->dev, "LRCLK %d unsupported with MCLK %d\n", |
e369bd00 | 215 | params_rate(params), wm8741->sysclk); |
992bee40 IL |
216 | return -EINVAL; |
217 | } | |
218 | ||
219 | /* bit size */ | |
34967ad2 MB |
220 | switch (params_width(params)) { |
221 | case 16: | |
eaf8abcf | 222 | iface = 0x0; |
992bee40 | 223 | break; |
34967ad2 | 224 | case 20: |
eaf8abcf | 225 | iface = 0x1; |
992bee40 | 226 | break; |
34967ad2 | 227 | case 24: |
eaf8abcf | 228 | iface = 0x2; |
992bee40 | 229 | break; |
34967ad2 | 230 | case 32: |
eaf8abcf | 231 | iface = 0x3; |
992bee40 IL |
232 | break; |
233 | default: | |
9b6a00f7 | 234 | dev_dbg(component->dev, "wm8741_hw_params: Unsupported bit size param = %d", |
34967ad2 | 235 | params_width(params)); |
992bee40 IL |
236 | return -EINVAL; |
237 | } | |
238 | ||
e9418629 SS |
239 | /* oversampling rate */ |
240 | if (params_rate(params) > 96000) | |
241 | mode = 0x40; | |
242 | else if (params_rate(params) > 48000) | |
243 | mode = 0x20; | |
244 | else | |
245 | mode = 0x00; | |
246 | ||
9b6a00f7 | 247 | dev_dbg(component->dev, "wm8741_hw_params: bit size param = %d, rate param = %d", |
e369bd00 | 248 | params_width(params), params_rate(params)); |
992bee40 | 249 | |
9b6a00f7 | 250 | snd_soc_component_update_bits(component, WM8741_FORMAT_CONTROL, WM8741_IWL_MASK, |
eaf8abcf | 251 | iface); |
e9418629 SS |
252 | snd_soc_component_update_bits(component, WM8741_MODE_CONTROL_1, WM8741_OSR_MASK, |
253 | mode); | |
eaf8abcf | 254 | |
992bee40 IL |
255 | return 0; |
256 | } | |
257 | ||
258 | static int wm8741_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
259 | int clk_id, unsigned int freq, int dir) | |
260 | { | |
9b6a00f7 KM |
261 | struct snd_soc_component *component = codec_dai->component; |
262 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); | |
992bee40 | 263 | |
9b6a00f7 | 264 | dev_dbg(component->dev, "wm8741_set_dai_sysclk info: freq=%dHz\n", freq); |
992bee40 | 265 | |
3fe4a5ee | 266 | switch (freq) { |
e369bd00 SS |
267 | case 0: |
268 | wm8741->sysclk_constraints = NULL; | |
6f55a041 | 269 | break; |
3fe4a5ee IL |
270 | case 11289600: |
271 | wm8741->sysclk_constraints = &constraints_11289; | |
6f55a041 | 272 | break; |
3fe4a5ee IL |
273 | case 12288000: |
274 | wm8741->sysclk_constraints = &constraints_12288; | |
6f55a041 | 275 | break; |
3fe4a5ee IL |
276 | case 16384000: |
277 | wm8741->sysclk_constraints = &constraints_16384; | |
6f55a041 | 278 | break; |
3fe4a5ee IL |
279 | case 16934400: |
280 | wm8741->sysclk_constraints = &constraints_16934; | |
6f55a041 | 281 | break; |
3fe4a5ee IL |
282 | case 18432000: |
283 | wm8741->sysclk_constraints = &constraints_18432; | |
6f55a041 | 284 | break; |
3fe4a5ee IL |
285 | case 22579200: |
286 | case 33868800: | |
287 | wm8741->sysclk_constraints = &constraints_22579; | |
6f55a041 | 288 | break; |
3fe4a5ee IL |
289 | case 24576000: |
290 | wm8741->sysclk_constraints = &constraints_24576; | |
6f55a041 | 291 | break; |
3fe4a5ee IL |
292 | case 36864000: |
293 | wm8741->sysclk_constraints = &constraints_36864; | |
6f55a041 AL |
294 | break; |
295 | default: | |
296 | return -EINVAL; | |
992bee40 | 297 | } |
6f55a041 AL |
298 | |
299 | wm8741->sysclk = freq; | |
300 | return 0; | |
992bee40 IL |
301 | } |
302 | ||
303 | static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
304 | unsigned int fmt) | |
305 | { | |
9b6a00f7 | 306 | struct snd_soc_component *component = codec_dai->component; |
eaf8abcf | 307 | unsigned int iface; |
992bee40 IL |
308 | |
309 | /* check master/slave audio interface */ | |
310 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
311 | case SND_SOC_DAIFMT_CBS_CFS: | |
312 | break; | |
313 | default: | |
314 | return -EINVAL; | |
315 | } | |
316 | ||
317 | /* interface format */ | |
318 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
319 | case SND_SOC_DAIFMT_I2S: | |
eaf8abcf | 320 | iface = 0x08; |
992bee40 IL |
321 | break; |
322 | case SND_SOC_DAIFMT_RIGHT_J: | |
eaf8abcf | 323 | iface = 0x00; |
992bee40 IL |
324 | break; |
325 | case SND_SOC_DAIFMT_LEFT_J: | |
eaf8abcf | 326 | iface = 0x04; |
992bee40 IL |
327 | break; |
328 | case SND_SOC_DAIFMT_DSP_A: | |
eaf8abcf | 329 | iface = 0x0C; |
992bee40 IL |
330 | break; |
331 | case SND_SOC_DAIFMT_DSP_B: | |
eaf8abcf | 332 | iface = 0x1C; |
992bee40 IL |
333 | break; |
334 | default: | |
335 | return -EINVAL; | |
336 | } | |
337 | ||
338 | /* clock inversion */ | |
339 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
340 | case SND_SOC_DAIFMT_NB_NF: | |
341 | break; | |
81b3cc55 | 342 | case SND_SOC_DAIFMT_NB_IF: |
eaf8abcf | 343 | iface |= 0x10; |
992bee40 IL |
344 | break; |
345 | case SND_SOC_DAIFMT_IB_NF: | |
eaf8abcf | 346 | iface |= 0x20; |
992bee40 | 347 | break; |
81b3cc55 | 348 | case SND_SOC_DAIFMT_IB_IF: |
eaf8abcf | 349 | iface |= 0x30; |
992bee40 IL |
350 | break; |
351 | default: | |
352 | return -EINVAL; | |
353 | } | |
354 | ||
355 | ||
9b6a00f7 | 356 | dev_dbg(component->dev, "wm8741_set_dai_fmt: Format=%x, Clock Inv=%x\n", |
992bee40 IL |
357 | fmt & SND_SOC_DAIFMT_FORMAT_MASK, |
358 | ((fmt & SND_SOC_DAIFMT_INV_MASK))); | |
359 | ||
9b6a00f7 | 360 | snd_soc_component_update_bits(component, WM8741_FORMAT_CONTROL, |
eaf8abcf CK |
361 | WM8741_BCP_MASK | WM8741_LRP_MASK | WM8741_FMT_MASK, |
362 | iface); | |
363 | ||
992bee40 IL |
364 | return 0; |
365 | } | |
366 | ||
76a60f31 | 367 | static int wm8741_mute(struct snd_soc_dai *codec_dai, int mute) |
36b15993 SS |
368 | { |
369 | struct snd_soc_component *component = codec_dai->component; | |
370 | ||
371 | snd_soc_component_update_bits(component, WM8741_VOLUME_CONTROL, | |
372 | WM8741_SOFT_MASK, !!mute << WM8741_SOFT_SHIFT); | |
373 | return 0; | |
374 | } | |
375 | ||
992bee40 IL |
376 | #define WM8741_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ |
377 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \ | |
378 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \ | |
379 | SNDRV_PCM_RATE_192000) | |
380 | ||
381 | #define WM8741_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
382 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
383 | ||
85e7652d | 384 | static const struct snd_soc_dai_ops wm8741_dai_ops = { |
992bee40 IL |
385 | .startup = wm8741_startup, |
386 | .hw_params = wm8741_hw_params, | |
387 | .set_sysclk = wm8741_set_dai_sysclk, | |
388 | .set_fmt = wm8741_set_dai_fmt, | |
36b15993 | 389 | .digital_mute = wm8741_mute, |
992bee40 IL |
390 | }; |
391 | ||
f0fba2ad | 392 | static struct snd_soc_dai_driver wm8741_dai = { |
30e2d368 | 393 | .name = "wm8741", |
992bee40 IL |
394 | .playback = { |
395 | .stream_name = "Playback", | |
c354b54c | 396 | .channels_min = 2, |
992bee40 IL |
397 | .channels_max = 2, |
398 | .rates = WM8741_RATES, | |
399 | .formats = WM8741_FORMATS, | |
400 | }, | |
401 | .ops = &wm8741_dai_ops, | |
402 | }; | |
992bee40 IL |
403 | |
404 | #ifdef CONFIG_PM | |
9b6a00f7 | 405 | static int wm8741_resume(struct snd_soc_component *component) |
992bee40 | 406 | { |
9b6a00f7 | 407 | snd_soc_component_cache_sync(component); |
992bee40 IL |
408 | return 0; |
409 | } | |
410 | #else | |
992bee40 IL |
411 | #define wm8741_resume NULL |
412 | #endif | |
413 | ||
9b6a00f7 | 414 | static int wm8741_configure(struct snd_soc_component *component) |
c354b54c | 415 | { |
9b6a00f7 | 416 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); |
c354b54c SS |
417 | |
418 | /* Configure differential mode */ | |
419 | switch (wm8741->pdata.diff_mode) { | |
420 | case WM8741_DIFF_MODE_STEREO: | |
421 | case WM8741_DIFF_MODE_STEREO_REVERSED: | |
422 | case WM8741_DIFF_MODE_MONO_LEFT: | |
423 | case WM8741_DIFF_MODE_MONO_RIGHT: | |
9b6a00f7 | 424 | snd_soc_component_update_bits(component, WM8741_MODE_CONTROL_2, |
c354b54c SS |
425 | WM8741_DIFF_MASK, |
426 | wm8741->pdata.diff_mode << WM8741_DIFF_SHIFT); | |
427 | break; | |
428 | default: | |
429 | return -EINVAL; | |
430 | } | |
431 | ||
432 | /* Change some default settings - latch VU */ | |
9b6a00f7 | 433 | snd_soc_component_update_bits(component, WM8741_DACLLSB_ATTENUATION, |
c354b54c | 434 | WM8741_UPDATELL, WM8741_UPDATELL); |
9b6a00f7 | 435 | snd_soc_component_update_bits(component, WM8741_DACLMSB_ATTENUATION, |
c354b54c | 436 | WM8741_UPDATELM, WM8741_UPDATELM); |
9b6a00f7 | 437 | snd_soc_component_update_bits(component, WM8741_DACRLSB_ATTENUATION, |
c354b54c | 438 | WM8741_UPDATERL, WM8741_UPDATERL); |
9b6a00f7 | 439 | snd_soc_component_update_bits(component, WM8741_DACRMSB_ATTENUATION, |
c354b54c SS |
440 | WM8741_UPDATERM, WM8741_UPDATERM); |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
9b6a00f7 | 445 | static int wm8741_add_controls(struct snd_soc_component *component) |
c354b54c | 446 | { |
9b6a00f7 | 447 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); |
c354b54c SS |
448 | |
449 | switch (wm8741->pdata.diff_mode) { | |
450 | case WM8741_DIFF_MODE_STEREO: | |
451 | case WM8741_DIFF_MODE_STEREO_REVERSED: | |
9b6a00f7 | 452 | snd_soc_add_component_controls(component, |
c354b54c SS |
453 | wm8741_snd_controls_stereo, |
454 | ARRAY_SIZE(wm8741_snd_controls_stereo)); | |
455 | break; | |
456 | case WM8741_DIFF_MODE_MONO_LEFT: | |
9b6a00f7 | 457 | snd_soc_add_component_controls(component, |
c354b54c SS |
458 | wm8741_snd_controls_mono_left, |
459 | ARRAY_SIZE(wm8741_snd_controls_mono_left)); | |
460 | break; | |
461 | case WM8741_DIFF_MODE_MONO_RIGHT: | |
9b6a00f7 | 462 | snd_soc_add_component_controls(component, |
c354b54c SS |
463 | wm8741_snd_controls_mono_right, |
464 | ARRAY_SIZE(wm8741_snd_controls_mono_right)); | |
465 | break; | |
466 | default: | |
467 | return -EINVAL; | |
468 | } | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
9b6a00f7 | 473 | static int wm8741_probe(struct snd_soc_component *component) |
992bee40 | 474 | { |
9b6a00f7 | 475 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); |
992bee40 | 476 | int ret = 0; |
398575db MB |
477 | |
478 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies), | |
479 | wm8741->supplies); | |
480 | if (ret != 0) { | |
9b6a00f7 | 481 | dev_err(component->dev, "Failed to enable supplies: %d\n", ret); |
398575db MB |
482 | goto err_get; |
483 | } | |
992bee40 | 484 | |
9b6a00f7 | 485 | ret = wm8741_reset(component); |
992bee40 | 486 | if (ret < 0) { |
9b6a00f7 | 487 | dev_err(component->dev, "Failed to issue reset\n"); |
398575db | 488 | goto err_enable; |
992bee40 IL |
489 | } |
490 | ||
9b6a00f7 | 491 | ret = wm8741_configure(component); |
c354b54c | 492 | if (ret < 0) { |
9b6a00f7 | 493 | dev_err(component->dev, "Failed to change default settings\n"); |
c354b54c SS |
494 | goto err_enable; |
495 | } | |
496 | ||
9b6a00f7 | 497 | ret = wm8741_add_controls(component); |
c354b54c | 498 | if (ret < 0) { |
9b6a00f7 | 499 | dev_err(component->dev, "Failed to add controls\n"); |
c354b54c SS |
500 | goto err_enable; |
501 | } | |
f0fba2ad | 502 | |
9b6a00f7 | 503 | dev_dbg(component->dev, "Successful registration\n"); |
992bee40 | 504 | return ret; |
398575db MB |
505 | |
506 | err_enable: | |
507 | regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); | |
508 | err_get: | |
398575db MB |
509 | return ret; |
510 | } | |
511 | ||
9b6a00f7 | 512 | static void wm8741_remove(struct snd_soc_component *component) |
398575db | 513 | { |
9b6a00f7 | 514 | struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component); |
398575db MB |
515 | |
516 | regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies); | |
992bee40 IL |
517 | } |
518 | ||
9b6a00f7 KM |
519 | static const struct snd_soc_component_driver soc_component_dev_wm8741 = { |
520 | .probe = wm8741_probe, | |
521 | .remove = wm8741_remove, | |
522 | .resume = wm8741_resume, | |
523 | .dapm_widgets = wm8741_dapm_widgets, | |
524 | .num_dapm_widgets = ARRAY_SIZE(wm8741_dapm_widgets), | |
525 | .dapm_routes = wm8741_dapm_routes, | |
526 | .num_dapm_routes = ARRAY_SIZE(wm8741_dapm_routes), | |
527 | .idle_bias_on = 1, | |
528 | .use_pmdown_time = 1, | |
529 | .endianness = 1, | |
530 | .non_legacy_dai_naming = 1, | |
992bee40 | 531 | }; |
992bee40 | 532 | |
80080ec5 MB |
533 | static const struct of_device_id wm8741_of_match[] = { |
534 | { .compatible = "wlf,wm8741", }, | |
535 | { } | |
536 | }; | |
537 | MODULE_DEVICE_TABLE(of, wm8741_of_match); | |
538 | ||
fe98c0cf MB |
539 | static const struct regmap_config wm8741_regmap = { |
540 | .reg_bits = 7, | |
541 | .val_bits = 9, | |
542 | .max_register = WM8741_MAX_REGISTER, | |
543 | ||
544 | .reg_defaults = wm8741_reg_defaults, | |
545 | .num_reg_defaults = ARRAY_SIZE(wm8741_reg_defaults), | |
546 | .cache_type = REGCACHE_RBTREE, | |
fe98c0cf MB |
547 | }; |
548 | ||
c354b54c SS |
549 | static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741) |
550 | { | |
551 | const struct wm8741_platform_data *pdata = dev_get_platdata(dev); | |
552 | u32 diff_mode; | |
553 | ||
554 | if (dev->of_node) { | |
555 | if (of_property_read_u32(dev->of_node, "diff-mode", &diff_mode) | |
556 | >= 0) | |
557 | wm8741->pdata.diff_mode = diff_mode; | |
558 | } else { | |
559 | if (pdata != NULL) | |
560 | memcpy(&wm8741->pdata, pdata, sizeof(wm8741->pdata)); | |
561 | } | |
562 | ||
563 | return 0; | |
564 | } | |
565 | ||
26090a83 | 566 | #if IS_ENABLED(CONFIG_I2C) |
f0fba2ad LG |
567 | static int wm8741_i2c_probe(struct i2c_client *i2c, |
568 | const struct i2c_device_id *id) | |
992bee40 | 569 | { |
f0fba2ad | 570 | struct wm8741_priv *wm8741; |
d9780550 | 571 | int ret, i; |
992bee40 | 572 | |
5aefb306 MB |
573 | wm8741 = devm_kzalloc(&i2c->dev, sizeof(struct wm8741_priv), |
574 | GFP_KERNEL); | |
f0fba2ad LG |
575 | if (wm8741 == NULL) |
576 | return -ENOMEM; | |
992bee40 | 577 | |
d9780550 MB |
578 | for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++) |
579 | wm8741->supplies[i].supply = wm8741_supply_names[i]; | |
580 | ||
581 | ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8741->supplies), | |
582 | wm8741->supplies); | |
583 | if (ret != 0) { | |
fe98c0cf MB |
584 | dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); |
585 | return ret; | |
586 | } | |
587 | ||
fd64c455 | 588 | wm8741->regmap = devm_regmap_init_i2c(i2c, &wm8741_regmap); |
fe98c0cf MB |
589 | if (IS_ERR(wm8741->regmap)) { |
590 | ret = PTR_ERR(wm8741->regmap); | |
591 | dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); | |
592 | return ret; | |
d9780550 MB |
593 | } |
594 | ||
2d52d172 | 595 | ret = wm8741_set_pdata(&i2c->dev, wm8741); |
c354b54c SS |
596 | if (ret != 0) { |
597 | dev_err(&i2c->dev, "Failed to set pdata: %d\n", ret); | |
598 | return ret; | |
599 | } | |
600 | ||
f0fba2ad | 601 | i2c_set_clientdata(i2c, wm8741); |
992bee40 | 602 | |
9b6a00f7 KM |
603 | ret = devm_snd_soc_register_component(&i2c->dev, |
604 | &soc_component_dev_wm8741, &wm8741_dai, 1); | |
992bee40 | 605 | |
992bee40 IL |
606 | return ret; |
607 | } | |
608 | ||
992bee40 IL |
609 | static const struct i2c_device_id wm8741_i2c_id[] = { |
610 | { "wm8741", 0 }, | |
611 | { } | |
612 | }; | |
613 | MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id); | |
614 | ||
992bee40 IL |
615 | static struct i2c_driver wm8741_i2c_driver = { |
616 | .driver = { | |
0473e61b | 617 | .name = "wm8741", |
80080ec5 | 618 | .of_match_table = wm8741_of_match, |
992bee40 IL |
619 | }, |
620 | .probe = wm8741_i2c_probe, | |
992bee40 IL |
621 | .id_table = wm8741_i2c_id, |
622 | }; | |
623 | #endif | |
624 | ||
39e9b8d2 | 625 | #if defined(CONFIG_SPI_MASTER) |
7a79e94e | 626 | static int wm8741_spi_probe(struct spi_device *spi) |
39e9b8d2 MB |
627 | { |
628 | struct wm8741_priv *wm8741; | |
d9780550 | 629 | int ret, i; |
39e9b8d2 | 630 | |
5aefb306 MB |
631 | wm8741 = devm_kzalloc(&spi->dev, sizeof(struct wm8741_priv), |
632 | GFP_KERNEL); | |
39e9b8d2 MB |
633 | if (wm8741 == NULL) |
634 | return -ENOMEM; | |
635 | ||
d9780550 MB |
636 | for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++) |
637 | wm8741->supplies[i].supply = wm8741_supply_names[i]; | |
638 | ||
fe98c0cf | 639 | ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8741->supplies), |
d9780550 MB |
640 | wm8741->supplies); |
641 | if (ret != 0) { | |
642 | dev_err(&spi->dev, "Failed to request supplies: %d\n", ret); | |
fe98c0cf MB |
643 | return ret; |
644 | } | |
645 | ||
fd64c455 | 646 | wm8741->regmap = devm_regmap_init_spi(spi, &wm8741_regmap); |
fe98c0cf MB |
647 | if (IS_ERR(wm8741->regmap)) { |
648 | ret = PTR_ERR(wm8741->regmap); | |
649 | dev_err(&spi->dev, "Failed to init regmap: %d\n", ret); | |
650 | return ret; | |
d9780550 MB |
651 | } |
652 | ||
2d52d172 | 653 | ret = wm8741_set_pdata(&spi->dev, wm8741); |
c354b54c SS |
654 | if (ret != 0) { |
655 | dev_err(&spi->dev, "Failed to set pdata: %d\n", ret); | |
656 | return ret; | |
657 | } | |
658 | ||
39e9b8d2 MB |
659 | spi_set_drvdata(spi, wm8741); |
660 | ||
9b6a00f7 KM |
661 | ret = devm_snd_soc_register_component(&spi->dev, |
662 | &soc_component_dev_wm8741, &wm8741_dai, 1); | |
39e9b8d2 MB |
663 | return ret; |
664 | } | |
665 | ||
39e9b8d2 MB |
666 | static struct spi_driver wm8741_spi_driver = { |
667 | .driver = { | |
668 | .name = "wm8741", | |
80080ec5 | 669 | .of_match_table = wm8741_of_match, |
39e9b8d2 MB |
670 | }, |
671 | .probe = wm8741_spi_probe, | |
39e9b8d2 MB |
672 | }; |
673 | #endif /* CONFIG_SPI_MASTER */ | |
674 | ||
992bee40 IL |
675 | static int __init wm8741_modinit(void) |
676 | { | |
f0fba2ad LG |
677 | int ret = 0; |
678 | ||
26090a83 | 679 | #if IS_ENABLED(CONFIG_I2C) |
992bee40 | 680 | ret = i2c_add_driver(&wm8741_i2c_driver); |
3fe4a5ee | 681 | if (ret != 0) |
f0fba2ad | 682 | pr_err("Failed to register WM8741 I2C driver: %d\n", ret); |
992bee40 | 683 | #endif |
39e9b8d2 MB |
684 | #if defined(CONFIG_SPI_MASTER) |
685 | ret = spi_register_driver(&wm8741_spi_driver); | |
686 | if (ret != 0) { | |
687 | printk(KERN_ERR "Failed to register wm8741 SPI driver: %d\n", | |
688 | ret); | |
689 | } | |
690 | #endif | |
f0fba2ad LG |
691 | |
692 | return ret; | |
992bee40 IL |
693 | } |
694 | module_init(wm8741_modinit); | |
695 | ||
696 | static void __exit wm8741_exit(void) | |
697 | { | |
39e9b8d2 MB |
698 | #if defined(CONFIG_SPI_MASTER) |
699 | spi_unregister_driver(&wm8741_spi_driver); | |
700 | #endif | |
26090a83 | 701 | #if IS_ENABLED(CONFIG_I2C) |
992bee40 IL |
702 | i2c_del_driver(&wm8741_i2c_driver); |
703 | #endif | |
704 | } | |
705 | module_exit(wm8741_exit); | |
706 | ||
707 | MODULE_DESCRIPTION("ASoC WM8741 driver"); | |
708 | MODULE_AUTHOR("Ian Lartey <ian@opensource.wolfsonmicro.com>"); | |
709 | MODULE_LICENSE("GPL"); |