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f2644a2c MB |
1 | /* |
2 | * wm8960.c -- WM8960 ALSA SoC Audio driver | |
3 | * | |
656baaeb MB |
4 | * Copyright 2007-11 Wolfson Microelectronics, plc |
5 | * | |
f2644a2c MB |
6 | * Author: Liam Girdwood |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/moduleparam.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/delay.h> | |
17 | #include <linux/pm.h> | |
18 | #include <linux/i2c.h> | |
5a0e3ad6 | 19 | #include <linux/slab.h> |
f2644a2c MB |
20 | #include <sound/core.h> |
21 | #include <sound/pcm.h> | |
22 | #include <sound/pcm_params.h> | |
23 | #include <sound/soc.h> | |
f2644a2c MB |
24 | #include <sound/initval.h> |
25 | #include <sound/tlv.h> | |
b6877a47 | 26 | #include <sound/wm8960.h> |
f2644a2c MB |
27 | |
28 | #include "wm8960.h" | |
29 | ||
f2644a2c | 30 | /* R25 - Power 1 */ |
913d7b4c | 31 | #define WM8960_VMID_MASK 0x180 |
f2644a2c MB |
32 | #define WM8960_VREF 0x40 |
33 | ||
913d7b4c MB |
34 | /* R26 - Power 2 */ |
35 | #define WM8960_PWR2_LOUT1 0x40 | |
36 | #define WM8960_PWR2_ROUT1 0x20 | |
37 | #define WM8960_PWR2_OUT3 0x02 | |
38 | ||
f2644a2c MB |
39 | /* R28 - Anti-pop 1 */ |
40 | #define WM8960_POBCTRL 0x80 | |
41 | #define WM8960_BUFDCOPEN 0x10 | |
42 | #define WM8960_BUFIOEN 0x08 | |
43 | #define WM8960_SOFT_ST 0x04 | |
44 | #define WM8960_HPSTBY 0x01 | |
45 | ||
46 | /* R29 - Anti-pop 2 */ | |
47 | #define WM8960_DISOP 0x40 | |
913d7b4c | 48 | #define WM8960_DRES_MASK 0x30 |
f2644a2c MB |
49 | |
50 | /* | |
51 | * wm8960 register cache | |
52 | * We can't read the WM8960 register space when we are | |
53 | * using 2 wire for device control, so we cache them instead. | |
54 | */ | |
0ebe36c6 MB |
55 | static const struct reg_default wm8960_reg_defaults[] = { |
56 | { 0x0, 0x0097 }, | |
57 | { 0x1, 0x0097 }, | |
58 | { 0x2, 0x0000 }, | |
59 | { 0x3, 0x0000 }, | |
60 | { 0x4, 0x0000 }, | |
61 | { 0x5, 0x0008 }, | |
62 | { 0x6, 0x0000 }, | |
63 | { 0x7, 0x000a }, | |
64 | { 0x8, 0x01c0 }, | |
65 | { 0x9, 0x0000 }, | |
66 | { 0xa, 0x00ff }, | |
67 | { 0xb, 0x00ff }, | |
68 | ||
69 | { 0x10, 0x0000 }, | |
70 | { 0x11, 0x007b }, | |
71 | { 0x12, 0x0100 }, | |
72 | { 0x13, 0x0032 }, | |
73 | { 0x14, 0x0000 }, | |
74 | { 0x15, 0x00c3 }, | |
75 | { 0x16, 0x00c3 }, | |
76 | { 0x17, 0x01c0 }, | |
77 | { 0x18, 0x0000 }, | |
78 | { 0x19, 0x0000 }, | |
79 | { 0x1a, 0x0000 }, | |
80 | { 0x1b, 0x0000 }, | |
81 | { 0x1c, 0x0000 }, | |
82 | { 0x1d, 0x0000 }, | |
83 | ||
84 | { 0x20, 0x0100 }, | |
85 | { 0x21, 0x0100 }, | |
86 | { 0x22, 0x0050 }, | |
87 | ||
88 | { 0x25, 0x0050 }, | |
89 | { 0x26, 0x0000 }, | |
90 | { 0x27, 0x0000 }, | |
91 | { 0x28, 0x0000 }, | |
92 | { 0x29, 0x0000 }, | |
93 | { 0x2a, 0x0040 }, | |
94 | { 0x2b, 0x0000 }, | |
95 | { 0x2c, 0x0000 }, | |
96 | { 0x2d, 0x0050 }, | |
97 | { 0x2e, 0x0050 }, | |
98 | { 0x2f, 0x0000 }, | |
99 | { 0x30, 0x0002 }, | |
100 | { 0x31, 0x0037 }, | |
101 | ||
102 | { 0x33, 0x0080 }, | |
103 | { 0x34, 0x0008 }, | |
104 | { 0x35, 0x0031 }, | |
105 | { 0x36, 0x0026 }, | |
106 | { 0x37, 0x00e9 }, | |
f2644a2c MB |
107 | }; |
108 | ||
0ebe36c6 MB |
109 | static bool wm8960_volatile(struct device *dev, unsigned int reg) |
110 | { | |
111 | switch (reg) { | |
112 | case WM8960_RESET: | |
113 | return true; | |
114 | default: | |
115 | return false; | |
116 | } | |
117 | } | |
118 | ||
f2644a2c | 119 | struct wm8960_priv { |
0ebe36c6 | 120 | struct regmap *regmap; |
f0fba2ad LG |
121 | int (*set_bias_level)(struct snd_soc_codec *, |
122 | enum snd_soc_bias_level level); | |
913d7b4c MB |
123 | struct snd_soc_dapm_widget *lout1; |
124 | struct snd_soc_dapm_widget *rout1; | |
125 | struct snd_soc_dapm_widget *out3; | |
afd6d36a MB |
126 | bool deemph; |
127 | int playback_fs; | |
f2644a2c MB |
128 | }; |
129 | ||
17a52fd6 | 130 | #define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0) |
f2644a2c MB |
131 | |
132 | /* enumerated controls */ | |
f2644a2c MB |
133 | static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted", |
134 | "Right Inverted", "Stereo Inversion"}; | |
135 | static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"}; | |
136 | static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"}; | |
137 | static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"}; | |
138 | static const char *wm8960_alcmode[] = {"ALC", "Limiter"}; | |
139 | ||
140 | static const struct soc_enum wm8960_enum[] = { | |
f2644a2c MB |
141 | SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity), |
142 | SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity), | |
143 | SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff), | |
144 | SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff), | |
145 | SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc), | |
146 | SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode), | |
147 | }; | |
148 | ||
afd6d36a MB |
149 | static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; |
150 | ||
151 | static int wm8960_set_deemph(struct snd_soc_codec *codec) | |
152 | { | |
153 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
154 | int val, i, best; | |
155 | ||
156 | /* If we're using deemphasis select the nearest available sample | |
157 | * rate. | |
158 | */ | |
159 | if (wm8960->deemph) { | |
160 | best = 1; | |
161 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { | |
162 | if (abs(deemph_settings[i] - wm8960->playback_fs) < | |
163 | abs(deemph_settings[best] - wm8960->playback_fs)) | |
164 | best = i; | |
165 | } | |
166 | ||
167 | val = best << 1; | |
168 | } else { | |
169 | val = 0; | |
170 | } | |
171 | ||
172 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); | |
173 | ||
174 | return snd_soc_update_bits(codec, WM8960_DACCTL1, | |
175 | 0x6, val); | |
176 | } | |
177 | ||
178 | static int wm8960_get_deemph(struct snd_kcontrol *kcontrol, | |
179 | struct snd_ctl_elem_value *ucontrol) | |
180 | { | |
181 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
182 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
183 | ||
3f343f85 DA |
184 | ucontrol->value.enumerated.item[0] = wm8960->deemph; |
185 | return 0; | |
afd6d36a MB |
186 | } |
187 | ||
188 | static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, | |
189 | struct snd_ctl_elem_value *ucontrol) | |
190 | { | |
191 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
192 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
193 | int deemph = ucontrol->value.enumerated.item[0]; | |
194 | ||
195 | if (deemph > 1) | |
196 | return -EINVAL; | |
197 | ||
198 | wm8960->deemph = deemph; | |
199 | ||
200 | return wm8960_set_deemph(codec); | |
201 | } | |
202 | ||
f2644a2c MB |
203 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0); |
204 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); | |
205 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0); | |
206 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
207 | ||
208 | static const struct snd_kcontrol_new wm8960_snd_controls[] = { | |
209 | SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, | |
210 | 0, 63, 0, adc_tlv), | |
211 | SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, | |
212 | 6, 1, 0), | |
213 | SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, | |
214 | 7, 1, 0), | |
215 | ||
216 | SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC, | |
217 | 0, 255, 0, dac_tlv), | |
218 | ||
219 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1, | |
220 | 0, 127, 0, out_tlv), | |
221 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1, | |
222 | 7, 1, 0), | |
223 | ||
224 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2, | |
225 | 0, 127, 0, out_tlv), | |
226 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2, | |
227 | 7, 1, 0), | |
228 | SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0), | |
229 | SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0), | |
230 | ||
231 | SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), | |
4faaa8d9 | 232 | SOC_ENUM("ADC Polarity", wm8960_enum[0]), |
f2644a2c MB |
233 | SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), |
234 | ||
235 | SOC_ENUM("DAC Polarity", wm8960_enum[2]), | |
afd6d36a MB |
236 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
237 | wm8960_get_deemph, wm8960_put_deemph), | |
f2644a2c | 238 | |
4faaa8d9 MB |
239 | SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]), |
240 | SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]), | |
f2644a2c MB |
241 | SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0), |
242 | SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0), | |
243 | ||
4faaa8d9 | 244 | SOC_ENUM("ALC Function", wm8960_enum[4]), |
f2644a2c MB |
245 | SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0), |
246 | SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1), | |
247 | SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0), | |
248 | SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0), | |
4faaa8d9 | 249 | SOC_ENUM("ALC Mode", wm8960_enum[5]), |
f2644a2c MB |
250 | SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0), |
251 | SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0), | |
252 | ||
253 | SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0), | |
254 | SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0), | |
255 | ||
256 | SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH, | |
257 | 0, 127, 0), | |
258 | ||
259 | SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume", | |
260 | WM8960_BYPASS1, 4, 7, 1, bypass_tlv), | |
261 | SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume", | |
262 | WM8960_LOUTMIX, 4, 7, 1, bypass_tlv), | |
263 | SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume", | |
264 | WM8960_BYPASS2, 4, 7, 1, bypass_tlv), | |
265 | SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume", | |
266 | WM8960_ROUTMIX, 4, 7, 1, bypass_tlv), | |
267 | }; | |
268 | ||
269 | static const struct snd_kcontrol_new wm8960_lin_boost[] = { | |
270 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0), | |
271 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0), | |
272 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0), | |
273 | }; | |
274 | ||
275 | static const struct snd_kcontrol_new wm8960_lin[] = { | |
276 | SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0), | |
277 | }; | |
278 | ||
279 | static const struct snd_kcontrol_new wm8960_rin_boost[] = { | |
280 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0), | |
281 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0), | |
282 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0), | |
283 | }; | |
284 | ||
285 | static const struct snd_kcontrol_new wm8960_rin[] = { | |
286 | SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0), | |
287 | }; | |
288 | ||
289 | static const struct snd_kcontrol_new wm8960_loutput_mixer[] = { | |
290 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0), | |
291 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0), | |
292 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0), | |
293 | }; | |
294 | ||
295 | static const struct snd_kcontrol_new wm8960_routput_mixer[] = { | |
296 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0), | |
297 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0), | |
298 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0), | |
299 | }; | |
300 | ||
301 | static const struct snd_kcontrol_new wm8960_mono_out[] = { | |
302 | SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0), | |
303 | SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0), | |
304 | }; | |
305 | ||
306 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = { | |
307 | SND_SOC_DAPM_INPUT("LINPUT1"), | |
308 | SND_SOC_DAPM_INPUT("RINPUT1"), | |
309 | SND_SOC_DAPM_INPUT("LINPUT2"), | |
310 | SND_SOC_DAPM_INPUT("RINPUT2"), | |
311 | SND_SOC_DAPM_INPUT("LINPUT3"), | |
312 | SND_SOC_DAPM_INPUT("RINPUT3"), | |
313 | ||
187774cb | 314 | SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0), |
f2644a2c MB |
315 | |
316 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0, | |
317 | wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)), | |
318 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0, | |
319 | wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)), | |
320 | ||
321 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0, | |
322 | wm8960_lin, ARRAY_SIZE(wm8960_lin)), | |
323 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0, | |
324 | wm8960_rin, ARRAY_SIZE(wm8960_rin)), | |
325 | ||
326 | SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0), | |
327 | SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0), | |
328 | ||
329 | SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0), | |
330 | SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0), | |
331 | ||
332 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0, | |
333 | &wm8960_loutput_mixer[0], | |
334 | ARRAY_SIZE(wm8960_loutput_mixer)), | |
335 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0, | |
336 | &wm8960_routput_mixer[0], | |
337 | ARRAY_SIZE(wm8960_routput_mixer)), | |
338 | ||
f2644a2c MB |
339 | SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0), |
340 | SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0), | |
341 | ||
342 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0), | |
343 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0), | |
344 | ||
345 | SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0), | |
346 | SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0), | |
347 | ||
348 | SND_SOC_DAPM_OUTPUT("SPK_LP"), | |
349 | SND_SOC_DAPM_OUTPUT("SPK_LN"), | |
350 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
351 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
352 | SND_SOC_DAPM_OUTPUT("SPK_RP"), | |
353 | SND_SOC_DAPM_OUTPUT("SPK_RN"), | |
354 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
355 | }; | |
356 | ||
913d7b4c MB |
357 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = { |
358 | SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0, | |
359 | &wm8960_mono_out[0], | |
360 | ARRAY_SIZE(wm8960_mono_out)), | |
361 | }; | |
362 | ||
363 | /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */ | |
364 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = { | |
365 | SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0), | |
366 | }; | |
367 | ||
f2644a2c MB |
368 | static const struct snd_soc_dapm_route audio_paths[] = { |
369 | { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" }, | |
370 | { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" }, | |
371 | { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
372 | ||
373 | { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", }, | |
374 | { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */ | |
375 | { "Left Input Mixer", NULL, "LINPUT2" }, | |
376 | { "Left Input Mixer", NULL, "LINPUT3" }, | |
377 | ||
378 | { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" }, | |
379 | { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" }, | |
380 | { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
381 | ||
382 | { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", }, | |
383 | { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */ | |
384 | { "Right Input Mixer", NULL, "RINPUT2" }, | |
385 | { "Right Input Mixer", NULL, "LINPUT3" }, | |
386 | ||
387 | { "Left ADC", NULL, "Left Input Mixer" }, | |
388 | { "Right ADC", NULL, "Right Input Mixer" }, | |
389 | ||
390 | { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
391 | { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} , | |
392 | { "Left Output Mixer", "PCM Playback Switch", "Left DAC" }, | |
393 | ||
394 | { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
395 | { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } , | |
396 | { "Right Output Mixer", "PCM Playback Switch", "Right DAC" }, | |
397 | ||
f2644a2c MB |
398 | { "LOUT1 PGA", NULL, "Left Output Mixer" }, |
399 | { "ROUT1 PGA", NULL, "Right Output Mixer" }, | |
400 | ||
401 | { "HP_L", NULL, "LOUT1 PGA" }, | |
402 | { "HP_R", NULL, "ROUT1 PGA" }, | |
403 | ||
404 | { "Left Speaker PGA", NULL, "Left Output Mixer" }, | |
405 | { "Right Speaker PGA", NULL, "Right Output Mixer" }, | |
406 | ||
407 | { "Left Speaker Output", NULL, "Left Speaker PGA" }, | |
408 | { "Right Speaker Output", NULL, "Right Speaker PGA" }, | |
409 | ||
410 | { "SPK_LN", NULL, "Left Speaker Output" }, | |
411 | { "SPK_LP", NULL, "Left Speaker Output" }, | |
412 | { "SPK_RN", NULL, "Right Speaker Output" }, | |
413 | { "SPK_RP", NULL, "Right Speaker Output" }, | |
913d7b4c MB |
414 | }; |
415 | ||
416 | static const struct snd_soc_dapm_route audio_paths_out3[] = { | |
417 | { "Mono Output Mixer", "Left Switch", "Left Output Mixer" }, | |
418 | { "Mono Output Mixer", "Right Switch", "Right Output Mixer" }, | |
f2644a2c MB |
419 | |
420 | { "OUT3", NULL, "Mono Output Mixer", } | |
421 | }; | |
422 | ||
913d7b4c MB |
423 | static const struct snd_soc_dapm_route audio_paths_capless[] = { |
424 | { "HP_L", NULL, "OUT3 VMID" }, | |
425 | { "HP_R", NULL, "OUT3 VMID" }, | |
426 | ||
427 | { "OUT3 VMID", NULL, "Left Output Mixer" }, | |
428 | { "OUT3 VMID", NULL, "Right Output Mixer" }, | |
429 | }; | |
430 | ||
f2644a2c MB |
431 | static int wm8960_add_widgets(struct snd_soc_codec *codec) |
432 | { | |
913d7b4c | 433 | struct wm8960_data *pdata = codec->dev->platform_data; |
b2c812e2 | 434 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
ce6120cc | 435 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
913d7b4c MB |
436 | struct snd_soc_dapm_widget *w; |
437 | ||
ce6120cc | 438 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets, |
f2644a2c MB |
439 | ARRAY_SIZE(wm8960_dapm_widgets)); |
440 | ||
ce6120cc | 441 | snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); |
f2644a2c | 442 | |
913d7b4c MB |
443 | /* In capless mode OUT3 is used to provide VMID for the |
444 | * headphone outputs, otherwise it is used as a mono mixer. | |
445 | */ | |
446 | if (pdata && pdata->capless) { | |
ce6120cc | 447 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless, |
913d7b4c MB |
448 | ARRAY_SIZE(wm8960_dapm_widgets_capless)); |
449 | ||
ce6120cc | 450 | snd_soc_dapm_add_routes(dapm, audio_paths_capless, |
913d7b4c MB |
451 | ARRAY_SIZE(audio_paths_capless)); |
452 | } else { | |
ce6120cc | 453 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3, |
913d7b4c MB |
454 | ARRAY_SIZE(wm8960_dapm_widgets_out3)); |
455 | ||
ce6120cc | 456 | snd_soc_dapm_add_routes(dapm, audio_paths_out3, |
913d7b4c MB |
457 | ARRAY_SIZE(audio_paths_out3)); |
458 | } | |
459 | ||
460 | /* We need to power up the headphone output stage out of | |
461 | * sequence for capless mode. To save scanning the widget | |
462 | * list each time to find the desired power state do so now | |
463 | * and save the result. | |
464 | */ | |
97c866de JN |
465 | list_for_each_entry(w, &codec->card->widgets, list) { |
466 | if (w->dapm != &codec->dapm) | |
467 | continue; | |
913d7b4c MB |
468 | if (strcmp(w->name, "LOUT1 PGA") == 0) |
469 | wm8960->lout1 = w; | |
470 | if (strcmp(w->name, "ROUT1 PGA") == 0) | |
471 | wm8960->rout1 = w; | |
472 | if (strcmp(w->name, "OUT3 VMID") == 0) | |
473 | wm8960->out3 = w; | |
474 | } | |
475 | ||
f2644a2c MB |
476 | return 0; |
477 | } | |
478 | ||
479 | static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
480 | unsigned int fmt) | |
481 | { | |
482 | struct snd_soc_codec *codec = codec_dai->codec; | |
483 | u16 iface = 0; | |
484 | ||
485 | /* set master/slave audio interface */ | |
486 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
487 | case SND_SOC_DAIFMT_CBM_CFM: | |
488 | iface |= 0x0040; | |
489 | break; | |
490 | case SND_SOC_DAIFMT_CBS_CFS: | |
491 | break; | |
492 | default: | |
493 | return -EINVAL; | |
494 | } | |
495 | ||
496 | /* interface format */ | |
497 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
498 | case SND_SOC_DAIFMT_I2S: | |
499 | iface |= 0x0002; | |
500 | break; | |
501 | case SND_SOC_DAIFMT_RIGHT_J: | |
502 | break; | |
503 | case SND_SOC_DAIFMT_LEFT_J: | |
504 | iface |= 0x0001; | |
505 | break; | |
506 | case SND_SOC_DAIFMT_DSP_A: | |
507 | iface |= 0x0003; | |
508 | break; | |
509 | case SND_SOC_DAIFMT_DSP_B: | |
510 | iface |= 0x0013; | |
511 | break; | |
512 | default: | |
513 | return -EINVAL; | |
514 | } | |
515 | ||
516 | /* clock inversion */ | |
517 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
518 | case SND_SOC_DAIFMT_NB_NF: | |
519 | break; | |
520 | case SND_SOC_DAIFMT_IB_IF: | |
521 | iface |= 0x0090; | |
522 | break; | |
523 | case SND_SOC_DAIFMT_IB_NF: | |
524 | iface |= 0x0080; | |
525 | break; | |
526 | case SND_SOC_DAIFMT_NB_IF: | |
527 | iface |= 0x0010; | |
528 | break; | |
529 | default: | |
530 | return -EINVAL; | |
531 | } | |
532 | ||
533 | /* set iface */ | |
17a52fd6 | 534 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
535 | return 0; |
536 | } | |
537 | ||
db059c0f MB |
538 | static struct { |
539 | int rate; | |
540 | unsigned int val; | |
541 | } alc_rates[] = { | |
542 | { 48000, 0 }, | |
543 | { 44100, 0 }, | |
544 | { 32000, 1 }, | |
545 | { 22050, 2 }, | |
546 | { 24000, 2 }, | |
547 | { 16000, 3 }, | |
548 | { 11250, 4 }, | |
549 | { 12000, 4 }, | |
550 | { 8000, 5 }, | |
551 | }; | |
552 | ||
f2644a2c MB |
553 | static int wm8960_hw_params(struct snd_pcm_substream *substream, |
554 | struct snd_pcm_hw_params *params, | |
555 | struct snd_soc_dai *dai) | |
556 | { | |
e6968a17 | 557 | struct snd_soc_codec *codec = dai->codec; |
afd6d36a | 558 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 559 | u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3; |
4c2474c0 | 560 | snd_pcm_format_t format = params_format(params); |
db059c0f | 561 | int i; |
f2644a2c MB |
562 | |
563 | /* bit size */ | |
4c2474c0 | 564 | switch (format) { |
f2644a2c | 565 | case SNDRV_PCM_FORMAT_S16_LE: |
4c2474c0 | 566 | case SNDRV_PCM_FORMAT_S16_BE: |
f2644a2c MB |
567 | break; |
568 | case SNDRV_PCM_FORMAT_S20_3LE: | |
4c2474c0 | 569 | case SNDRV_PCM_FORMAT_S20_3BE: |
f2644a2c MB |
570 | iface |= 0x0004; |
571 | break; | |
572 | case SNDRV_PCM_FORMAT_S24_LE: | |
4c2474c0 | 573 | case SNDRV_PCM_FORMAT_S24_BE: |
f2644a2c MB |
574 | iface |= 0x0008; |
575 | break; | |
4c2474c0 TT |
576 | default: |
577 | dev_err(codec->dev, "unsupported format %i\n", format); | |
578 | return -EINVAL; | |
f2644a2c MB |
579 | } |
580 | ||
afd6d36a MB |
581 | /* Update filters for the new rate */ |
582 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
583 | wm8960->playback_fs = params_rate(params); | |
584 | wm8960_set_deemph(codec); | |
db059c0f MB |
585 | } else { |
586 | for (i = 0; i < ARRAY_SIZE(alc_rates); i++) | |
587 | if (alc_rates[i].rate == params_rate(params)) | |
588 | snd_soc_update_bits(codec, | |
589 | WM8960_ADDCTL3, 0x7, | |
590 | alc_rates[i].val); | |
afd6d36a MB |
591 | } |
592 | ||
f2644a2c | 593 | /* set iface */ |
17a52fd6 | 594 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
595 | return 0; |
596 | } | |
597 | ||
598 | static int wm8960_mute(struct snd_soc_dai *dai, int mute) | |
599 | { | |
600 | struct snd_soc_codec *codec = dai->codec; | |
f2644a2c MB |
601 | |
602 | if (mute) | |
16b24881 | 603 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8); |
f2644a2c | 604 | else |
16b24881 | 605 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0); |
f2644a2c MB |
606 | return 0; |
607 | } | |
608 | ||
913d7b4c MB |
609 | static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, |
610 | enum snd_soc_bias_level level) | |
f2644a2c | 611 | { |
0ebe36c6 MB |
612 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
613 | ||
f2644a2c MB |
614 | switch (level) { |
615 | case SND_SOC_BIAS_ON: | |
616 | break; | |
617 | ||
618 | case SND_SOC_BIAS_PREPARE: | |
619 | /* Set VMID to 2x50k */ | |
16b24881 | 620 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); |
f2644a2c MB |
621 | break; |
622 | ||
623 | case SND_SOC_BIAS_STANDBY: | |
ce6120cc | 624 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
0ebe36c6 | 625 | regcache_sync(wm8960->regmap); |
bc45df2d | 626 | |
f2644a2c | 627 | /* Enable anti-pop features */ |
17a52fd6 | 628 | snd_soc_write(codec, WM8960_APOP1, |
913d7b4c MB |
629 | WM8960_POBCTRL | WM8960_SOFT_ST | |
630 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
f2644a2c MB |
631 | |
632 | /* Enable & ramp VMID at 2x50k */ | |
16b24881 | 633 | snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80); |
f2644a2c MB |
634 | msleep(100); |
635 | ||
636 | /* Enable VREF */ | |
16b24881 AL |
637 | snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF, |
638 | WM8960_VREF); | |
f2644a2c MB |
639 | |
640 | /* Disable anti-pop features */ | |
17a52fd6 | 641 | snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN); |
f2644a2c MB |
642 | } |
643 | ||
644 | /* Set VMID to 2x250k */ | |
16b24881 | 645 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100); |
f2644a2c MB |
646 | break; |
647 | ||
648 | case SND_SOC_BIAS_OFF: | |
649 | /* Enable anti-pop features */ | |
17a52fd6 | 650 | snd_soc_write(codec, WM8960_APOP1, |
f2644a2c MB |
651 | WM8960_POBCTRL | WM8960_SOFT_ST | |
652 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
653 | ||
654 | /* Disable VMID and VREF, let them discharge */ | |
17a52fd6 | 655 | snd_soc_write(codec, WM8960_POWER1, 0); |
f2644a2c | 656 | msleep(600); |
913d7b4c MB |
657 | break; |
658 | } | |
659 | ||
ce6120cc | 660 | codec->dapm.bias_level = level; |
913d7b4c MB |
661 | |
662 | return 0; | |
663 | } | |
664 | ||
665 | static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, | |
666 | enum snd_soc_bias_level level) | |
667 | { | |
b2c812e2 | 668 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
913d7b4c MB |
669 | int reg; |
670 | ||
671 | switch (level) { | |
672 | case SND_SOC_BIAS_ON: | |
673 | break; | |
674 | ||
675 | case SND_SOC_BIAS_PREPARE: | |
ce6120cc | 676 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
677 | case SND_SOC_BIAS_STANDBY: |
678 | /* Enable anti pop mode */ | |
679 | snd_soc_update_bits(codec, WM8960_APOP1, | |
680 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
681 | WM8960_BUFDCOPEN, | |
682 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
683 | WM8960_BUFDCOPEN); | |
684 | ||
685 | /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */ | |
686 | reg = 0; | |
687 | if (wm8960->lout1 && wm8960->lout1->power) | |
688 | reg |= WM8960_PWR2_LOUT1; | |
689 | if (wm8960->rout1 && wm8960->rout1->power) | |
690 | reg |= WM8960_PWR2_ROUT1; | |
691 | if (wm8960->out3 && wm8960->out3->power) | |
692 | reg |= WM8960_PWR2_OUT3; | |
693 | snd_soc_update_bits(codec, WM8960_POWER2, | |
694 | WM8960_PWR2_LOUT1 | | |
695 | WM8960_PWR2_ROUT1 | | |
696 | WM8960_PWR2_OUT3, reg); | |
697 | ||
698 | /* Enable VMID at 2*50k */ | |
699 | snd_soc_update_bits(codec, WM8960_POWER1, | |
700 | WM8960_VMID_MASK, 0x80); | |
701 | ||
702 | /* Ramp */ | |
703 | msleep(100); | |
704 | ||
705 | /* Enable VREF */ | |
706 | snd_soc_update_bits(codec, WM8960_POWER1, | |
707 | WM8960_VREF, WM8960_VREF); | |
708 | ||
709 | msleep(100); | |
710 | break; | |
711 | ||
712 | case SND_SOC_BIAS_ON: | |
713 | /* Enable anti-pop mode */ | |
714 | snd_soc_update_bits(codec, WM8960_APOP1, | |
715 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
716 | WM8960_BUFDCOPEN, | |
717 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
718 | WM8960_BUFDCOPEN); | |
719 | ||
720 | /* Disable VMID and VREF */ | |
721 | snd_soc_update_bits(codec, WM8960_POWER1, | |
722 | WM8960_VREF | WM8960_VMID_MASK, 0); | |
723 | break; | |
724 | ||
bc45df2d | 725 | case SND_SOC_BIAS_OFF: |
0ebe36c6 | 726 | regcache_sync(wm8960->regmap); |
bc45df2d | 727 | break; |
913d7b4c MB |
728 | default: |
729 | break; | |
730 | } | |
731 | break; | |
f2644a2c | 732 | |
913d7b4c | 733 | case SND_SOC_BIAS_STANDBY: |
ce6120cc | 734 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
735 | case SND_SOC_BIAS_PREPARE: |
736 | /* Disable HP discharge */ | |
737 | snd_soc_update_bits(codec, WM8960_APOP2, | |
738 | WM8960_DISOP | WM8960_DRES_MASK, | |
739 | 0); | |
740 | ||
741 | /* Disable anti-pop features */ | |
742 | snd_soc_update_bits(codec, WM8960_APOP1, | |
743 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
744 | WM8960_BUFDCOPEN, | |
745 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
746 | WM8960_BUFDCOPEN); | |
747 | break; | |
748 | ||
749 | default: | |
750 | break; | |
751 | } | |
752 | break; | |
f2644a2c | 753 | |
913d7b4c | 754 | case SND_SOC_BIAS_OFF: |
f2644a2c MB |
755 | break; |
756 | } | |
757 | ||
ce6120cc | 758 | codec->dapm.bias_level = level; |
f2644a2c MB |
759 | |
760 | return 0; | |
761 | } | |
762 | ||
763 | /* PLL divisors */ | |
764 | struct _pll_div { | |
765 | u32 pre_div:1; | |
766 | u32 n:4; | |
767 | u32 k:24; | |
768 | }; | |
769 | ||
770 | /* The size in bits of the pll divide multiplied by 10 | |
771 | * to allow rounding later */ | |
772 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
773 | ||
774 | static int pll_factors(unsigned int source, unsigned int target, | |
775 | struct _pll_div *pll_div) | |
776 | { | |
777 | unsigned long long Kpart; | |
778 | unsigned int K, Ndiv, Nmod; | |
779 | ||
780 | pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target); | |
781 | ||
782 | /* Scale up target to PLL operating frequency */ | |
783 | target *= 4; | |
784 | ||
785 | Ndiv = target / source; | |
786 | if (Ndiv < 6) { | |
787 | source >>= 1; | |
788 | pll_div->pre_div = 1; | |
789 | Ndiv = target / source; | |
790 | } else | |
791 | pll_div->pre_div = 0; | |
792 | ||
793 | if ((Ndiv < 6) || (Ndiv > 12)) { | |
794 | pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv); | |
795 | return -EINVAL; | |
796 | } | |
797 | ||
798 | pll_div->n = Ndiv; | |
799 | Nmod = target % source; | |
800 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
801 | ||
802 | do_div(Kpart, source); | |
803 | ||
804 | K = Kpart & 0xFFFFFFFF; | |
805 | ||
806 | /* Check if we need to round */ | |
807 | if ((K % 10) >= 5) | |
808 | K += 5; | |
809 | ||
810 | /* Move down to proper range now rounding is done */ | |
811 | K /= 10; | |
812 | ||
813 | pll_div->k = K; | |
814 | ||
815 | pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n", | |
816 | pll_div->n, pll_div->k, pll_div->pre_div); | |
817 | ||
818 | return 0; | |
819 | } | |
820 | ||
85488037 MB |
821 | static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
822 | int source, unsigned int freq_in, unsigned int freq_out) | |
f2644a2c MB |
823 | { |
824 | struct snd_soc_codec *codec = codec_dai->codec; | |
825 | u16 reg; | |
826 | static struct _pll_div pll_div; | |
827 | int ret; | |
828 | ||
829 | if (freq_in && freq_out) { | |
830 | ret = pll_factors(freq_in, freq_out, &pll_div); | |
831 | if (ret != 0) | |
832 | return ret; | |
833 | } | |
834 | ||
835 | /* Disable the PLL: even if we are changing the frequency the | |
836 | * PLL needs to be disabled while we do so. */ | |
16b24881 AL |
837 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0); |
838 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0); | |
f2644a2c MB |
839 | |
840 | if (!freq_in || !freq_out) | |
841 | return 0; | |
842 | ||
17a52fd6 | 843 | reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f; |
f2644a2c MB |
844 | reg |= pll_div.pre_div << 4; |
845 | reg |= pll_div.n; | |
846 | ||
847 | if (pll_div.k) { | |
848 | reg |= 0x20; | |
849 | ||
17a52fd6 MB |
850 | snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f); |
851 | snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff); | |
852 | snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff); | |
f2644a2c | 853 | } |
17a52fd6 | 854 | snd_soc_write(codec, WM8960_PLL1, reg); |
f2644a2c MB |
855 | |
856 | /* Turn it on */ | |
16b24881 | 857 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1); |
f2644a2c | 858 | msleep(250); |
16b24881 | 859 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1); |
f2644a2c MB |
860 | |
861 | return 0; | |
862 | } | |
863 | ||
864 | static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | |
865 | int div_id, int div) | |
866 | { | |
867 | struct snd_soc_codec *codec = codec_dai->codec; | |
868 | u16 reg; | |
869 | ||
870 | switch (div_id) { | |
f2644a2c | 871 | case WM8960_SYSCLKDIV: |
17a52fd6 MB |
872 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9; |
873 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
874 | break; |
875 | case WM8960_DACDIV: | |
17a52fd6 MB |
876 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7; |
877 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
878 | break; |
879 | case WM8960_OPCLKDIV: | |
17a52fd6 MB |
880 | reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f; |
881 | snd_soc_write(codec, WM8960_PLL1, reg | div); | |
f2644a2c MB |
882 | break; |
883 | case WM8960_DCLKDIV: | |
17a52fd6 MB |
884 | reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f; |
885 | snd_soc_write(codec, WM8960_CLOCK2, reg | div); | |
f2644a2c MB |
886 | break; |
887 | case WM8960_TOCLKSEL: | |
17a52fd6 MB |
888 | reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd; |
889 | snd_soc_write(codec, WM8960_ADDCTL1, reg | div); | |
f2644a2c MB |
890 | break; |
891 | default: | |
892 | return -EINVAL; | |
893 | } | |
894 | ||
895 | return 0; | |
896 | } | |
897 | ||
f0fba2ad LG |
898 | static int wm8960_set_bias_level(struct snd_soc_codec *codec, |
899 | enum snd_soc_bias_level level) | |
900 | { | |
901 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
902 | ||
903 | return wm8960->set_bias_level(codec, level); | |
904 | } | |
905 | ||
f2644a2c MB |
906 | #define WM8960_RATES SNDRV_PCM_RATE_8000_48000 |
907 | ||
908 | #define WM8960_FORMATS \ | |
909 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
910 | SNDRV_PCM_FMTBIT_S24_LE) | |
911 | ||
85e7652d | 912 | static const struct snd_soc_dai_ops wm8960_dai_ops = { |
f2644a2c MB |
913 | .hw_params = wm8960_hw_params, |
914 | .digital_mute = wm8960_mute, | |
915 | .set_fmt = wm8960_set_dai_fmt, | |
916 | .set_clkdiv = wm8960_set_dai_clkdiv, | |
917 | .set_pll = wm8960_set_dai_pll, | |
918 | }; | |
919 | ||
f0fba2ad LG |
920 | static struct snd_soc_dai_driver wm8960_dai = { |
921 | .name = "wm8960-hifi", | |
f2644a2c MB |
922 | .playback = { |
923 | .stream_name = "Playback", | |
924 | .channels_min = 1, | |
925 | .channels_max = 2, | |
926 | .rates = WM8960_RATES, | |
927 | .formats = WM8960_FORMATS,}, | |
928 | .capture = { | |
929 | .stream_name = "Capture", | |
930 | .channels_min = 1, | |
931 | .channels_max = 2, | |
932 | .rates = WM8960_RATES, | |
933 | .formats = WM8960_FORMATS,}, | |
934 | .ops = &wm8960_dai_ops, | |
935 | .symmetric_rates = 1, | |
936 | }; | |
f2644a2c | 937 | |
84b315ee | 938 | static int wm8960_suspend(struct snd_soc_codec *codec) |
f2644a2c | 939 | { |
f0fba2ad | 940 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
f2644a2c | 941 | |
f0fba2ad | 942 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); |
f2644a2c MB |
943 | return 0; |
944 | } | |
945 | ||
f0fba2ad | 946 | static int wm8960_resume(struct snd_soc_codec *codec) |
f2644a2c | 947 | { |
f0fba2ad | 948 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
f2644a2c | 949 | |
f0fba2ad | 950 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
f2644a2c MB |
951 | return 0; |
952 | } | |
953 | ||
f0fba2ad | 954 | static int wm8960_probe(struct snd_soc_codec *codec) |
f2644a2c | 955 | { |
f0fba2ad LG |
956 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
957 | struct wm8960_data *pdata = dev_get_platdata(codec->dev); | |
f2644a2c | 958 | int ret; |
f2644a2c | 959 | |
f0fba2ad | 960 | wm8960->set_bias_level = wm8960_set_bias_level_out3; |
913d7b4c | 961 | |
f2644a2c MB |
962 | if (!pdata) { |
963 | dev_warn(codec->dev, "No platform data supplied\n"); | |
964 | } else { | |
913d7b4c | 965 | if (pdata->capless) |
f0fba2ad | 966 | wm8960->set_bias_level = wm8960_set_bias_level_capless; |
f2644a2c MB |
967 | } |
968 | ||
0ebe36c6 | 969 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); |
17a52fd6 MB |
970 | if (ret < 0) { |
971 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
f0fba2ad | 972 | return ret; |
17a52fd6 MB |
973 | } |
974 | ||
f2644a2c MB |
975 | ret = wm8960_reset(codec); |
976 | if (ret < 0) { | |
977 | dev_err(codec->dev, "Failed to issue reset\n"); | |
f0fba2ad | 978 | return ret; |
f2644a2c MB |
979 | } |
980 | ||
f0fba2ad | 981 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
f2644a2c MB |
982 | |
983 | /* Latch the update bits */ | |
16b24881 AL |
984 | snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100); |
985 | snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100); | |
986 | snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100); | |
987 | snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100); | |
988 | snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100); | |
989 | snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100); | |
990 | snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100); | |
991 | snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100); | |
992 | snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100); | |
993 | snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100); | |
f2644a2c | 994 | |
022658be | 995 | snd_soc_add_codec_controls(codec, wm8960_snd_controls, |
f0fba2ad LG |
996 | ARRAY_SIZE(wm8960_snd_controls)); |
997 | wm8960_add_widgets(codec); | |
f2644a2c MB |
998 | |
999 | return 0; | |
1000 | } | |
1001 | ||
f0fba2ad LG |
1002 | /* power down chip */ |
1003 | static int wm8960_remove(struct snd_soc_codec *codec) | |
f2644a2c | 1004 | { |
f0fba2ad LG |
1005 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
1006 | ||
1007 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1008 | return 0; | |
f2644a2c MB |
1009 | } |
1010 | ||
f0fba2ad LG |
1011 | static struct snd_soc_codec_driver soc_codec_dev_wm8960 = { |
1012 | .probe = wm8960_probe, | |
1013 | .remove = wm8960_remove, | |
1014 | .suspend = wm8960_suspend, | |
1015 | .resume = wm8960_resume, | |
1016 | .set_bias_level = wm8960_set_bias_level, | |
0ebe36c6 MB |
1017 | }; |
1018 | ||
1019 | static const struct regmap_config wm8960_regmap = { | |
1020 | .reg_bits = 7, | |
1021 | .val_bits = 9, | |
1022 | .max_register = WM8960_PLL4, | |
1023 | ||
1024 | .reg_defaults = wm8960_reg_defaults, | |
1025 | .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults), | |
1026 | .cache_type = REGCACHE_RBTREE, | |
1027 | ||
1028 | .volatile_reg = wm8960_volatile, | |
f0fba2ad LG |
1029 | }; |
1030 | ||
f2644a2c MB |
1031 | static __devinit int wm8960_i2c_probe(struct i2c_client *i2c, |
1032 | const struct i2c_device_id *id) | |
1033 | { | |
37061631 | 1034 | struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); |
f2644a2c | 1035 | struct wm8960_priv *wm8960; |
f0fba2ad | 1036 | int ret; |
f2644a2c | 1037 | |
b9791c01 MB |
1038 | wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv), |
1039 | GFP_KERNEL); | |
f2644a2c MB |
1040 | if (wm8960 == NULL) |
1041 | return -ENOMEM; | |
1042 | ||
c5e6f5fa | 1043 | wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); |
0ebe36c6 MB |
1044 | if (IS_ERR(wm8960->regmap)) |
1045 | return PTR_ERR(wm8960->regmap); | |
1046 | ||
37061631 MB |
1047 | if (pdata && pdata->shared_lrclk) { |
1048 | ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, | |
1049 | 0x4, 0x4); | |
1050 | if (ret != 0) { | |
1051 | dev_err(&i2c->dev, "Failed to enable LRCM: %d\n", | |
1052 | ret); | |
1053 | return ret; | |
1054 | } | |
1055 | } | |
1056 | ||
f2644a2c | 1057 | i2c_set_clientdata(i2c, wm8960); |
f2644a2c | 1058 | |
f0fba2ad LG |
1059 | ret = snd_soc_register_codec(&i2c->dev, |
1060 | &soc_codec_dev_wm8960, &wm8960_dai, 1); | |
b9791c01 | 1061 | |
f0fba2ad | 1062 | return ret; |
f2644a2c MB |
1063 | } |
1064 | ||
1065 | static __devexit int wm8960_i2c_remove(struct i2c_client *client) | |
1066 | { | |
f0fba2ad | 1067 | snd_soc_unregister_codec(&client->dev); |
f2644a2c MB |
1068 | return 0; |
1069 | } | |
1070 | ||
1071 | static const struct i2c_device_id wm8960_i2c_id[] = { | |
1072 | { "wm8960", 0 }, | |
1073 | { } | |
1074 | }; | |
1075 | MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id); | |
1076 | ||
1077 | static struct i2c_driver wm8960_i2c_driver = { | |
1078 | .driver = { | |
091edccf | 1079 | .name = "wm8960", |
f2644a2c MB |
1080 | .owner = THIS_MODULE, |
1081 | }, | |
1082 | .probe = wm8960_i2c_probe, | |
1083 | .remove = __devexit_p(wm8960_i2c_remove), | |
1084 | .id_table = wm8960_i2c_id, | |
1085 | }; | |
1086 | ||
3c010e60 | 1087 | module_i2c_driver(wm8960_i2c_driver); |
f2644a2c | 1088 | |
f2644a2c MB |
1089 | MODULE_DESCRIPTION("ASoC WM8960 driver"); |
1090 | MODULE_AUTHOR("Liam Girdwood"); | |
1091 | MODULE_LICENSE("GPL"); |