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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 | 55 | static const struct reg_default wm8960_reg_defaults[] = { |
b3df026e MB |
56 | { 0x0, 0x00a7 }, |
57 | { 0x1, 0x00a7 }, | |
0ebe36c6 MB |
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 | { | |
ea53bf77 | 181 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
afd6d36a MB |
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 | { | |
ea53bf77 | 191 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
afd6d36a MB |
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); | |
21eb2693 | 207 | static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1); |
f2644a2c MB |
208 | |
209 | static const struct snd_kcontrol_new wm8960_snd_controls[] = { | |
210 | SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, | |
211 | 0, 63, 0, adc_tlv), | |
212 | SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, | |
213 | 6, 1, 0), | |
214 | SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, | |
215 | 7, 1, 0), | |
216 | ||
21eb2693 MB |
217 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", |
218 | WM8960_INBMIX1, 4, 7, 0, boost_tlv), | |
219 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume", | |
220 | WM8960_INBMIX1, 1, 7, 0, boost_tlv), | |
221 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume", | |
222 | WM8960_INBMIX2, 4, 7, 0, boost_tlv), | |
223 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume", | |
224 | WM8960_INBMIX2, 1, 7, 0, boost_tlv), | |
225 | ||
f2644a2c MB |
226 | SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC, |
227 | 0, 255, 0, dac_tlv), | |
228 | ||
229 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1, | |
230 | 0, 127, 0, out_tlv), | |
231 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1, | |
232 | 7, 1, 0), | |
233 | ||
234 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2, | |
235 | 0, 127, 0, out_tlv), | |
236 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2, | |
237 | 7, 1, 0), | |
238 | SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0), | |
239 | SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0), | |
240 | ||
241 | SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), | |
4faaa8d9 | 242 | SOC_ENUM("ADC Polarity", wm8960_enum[0]), |
f2644a2c MB |
243 | SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), |
244 | ||
245 | SOC_ENUM("DAC Polarity", wm8960_enum[2]), | |
afd6d36a MB |
246 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
247 | wm8960_get_deemph, wm8960_put_deemph), | |
f2644a2c | 248 | |
4faaa8d9 MB |
249 | SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]), |
250 | SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]), | |
f2644a2c MB |
251 | SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0), |
252 | SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0), | |
253 | ||
4faaa8d9 | 254 | SOC_ENUM("ALC Function", wm8960_enum[4]), |
f2644a2c MB |
255 | SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0), |
256 | SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1), | |
257 | SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0), | |
258 | SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0), | |
4faaa8d9 | 259 | SOC_ENUM("ALC Mode", wm8960_enum[5]), |
f2644a2c MB |
260 | SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0), |
261 | SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0), | |
262 | ||
263 | SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0), | |
264 | SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0), | |
265 | ||
c324aac0 MH |
266 | SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC, |
267 | 0, 255, 0, adc_tlv), | |
f2644a2c MB |
268 | |
269 | SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume", | |
270 | WM8960_BYPASS1, 4, 7, 1, bypass_tlv), | |
271 | SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume", | |
272 | WM8960_LOUTMIX, 4, 7, 1, bypass_tlv), | |
273 | SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume", | |
274 | WM8960_BYPASS2, 4, 7, 1, bypass_tlv), | |
275 | SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume", | |
276 | WM8960_ROUTMIX, 4, 7, 1, bypass_tlv), | |
277 | }; | |
278 | ||
279 | static const struct snd_kcontrol_new wm8960_lin_boost[] = { | |
280 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0), | |
281 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0), | |
282 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0), | |
283 | }; | |
284 | ||
285 | static const struct snd_kcontrol_new wm8960_lin[] = { | |
286 | SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0), | |
287 | }; | |
288 | ||
289 | static const struct snd_kcontrol_new wm8960_rin_boost[] = { | |
290 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0), | |
291 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0), | |
292 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0), | |
293 | }; | |
294 | ||
295 | static const struct snd_kcontrol_new wm8960_rin[] = { | |
296 | SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0), | |
297 | }; | |
298 | ||
299 | static const struct snd_kcontrol_new wm8960_loutput_mixer[] = { | |
300 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0), | |
301 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0), | |
302 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0), | |
303 | }; | |
304 | ||
305 | static const struct snd_kcontrol_new wm8960_routput_mixer[] = { | |
306 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0), | |
307 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0), | |
308 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0), | |
309 | }; | |
310 | ||
311 | static const struct snd_kcontrol_new wm8960_mono_out[] = { | |
312 | SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0), | |
313 | SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0), | |
314 | }; | |
315 | ||
316 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = { | |
317 | SND_SOC_DAPM_INPUT("LINPUT1"), | |
318 | SND_SOC_DAPM_INPUT("RINPUT1"), | |
319 | SND_SOC_DAPM_INPUT("LINPUT2"), | |
320 | SND_SOC_DAPM_INPUT("RINPUT2"), | |
321 | SND_SOC_DAPM_INPUT("LINPUT3"), | |
322 | SND_SOC_DAPM_INPUT("RINPUT3"), | |
323 | ||
187774cb | 324 | SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0), |
f2644a2c MB |
325 | |
326 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0, | |
327 | wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)), | |
328 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0, | |
329 | wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)), | |
330 | ||
331 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0, | |
332 | wm8960_lin, ARRAY_SIZE(wm8960_lin)), | |
333 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0, | |
334 | wm8960_rin, ARRAY_SIZE(wm8960_rin)), | |
335 | ||
44426de4 MB |
336 | SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0), |
337 | SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0), | |
f2644a2c MB |
338 | |
339 | SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0), | |
340 | SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0), | |
341 | ||
342 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0, | |
343 | &wm8960_loutput_mixer[0], | |
344 | ARRAY_SIZE(wm8960_loutput_mixer)), | |
345 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0, | |
346 | &wm8960_routput_mixer[0], | |
347 | ARRAY_SIZE(wm8960_routput_mixer)), | |
348 | ||
f2644a2c MB |
349 | SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0), |
350 | SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0), | |
351 | ||
352 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0), | |
353 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0), | |
354 | ||
355 | SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0), | |
356 | SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0), | |
357 | ||
358 | SND_SOC_DAPM_OUTPUT("SPK_LP"), | |
359 | SND_SOC_DAPM_OUTPUT("SPK_LN"), | |
360 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
361 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
362 | SND_SOC_DAPM_OUTPUT("SPK_RP"), | |
363 | SND_SOC_DAPM_OUTPUT("SPK_RN"), | |
364 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
365 | }; | |
366 | ||
913d7b4c MB |
367 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = { |
368 | SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0, | |
369 | &wm8960_mono_out[0], | |
370 | ARRAY_SIZE(wm8960_mono_out)), | |
371 | }; | |
372 | ||
373 | /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */ | |
374 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = { | |
375 | SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0), | |
376 | }; | |
377 | ||
f2644a2c MB |
378 | static const struct snd_soc_dapm_route audio_paths[] = { |
379 | { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" }, | |
380 | { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" }, | |
381 | { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
382 | ||
383 | { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", }, | |
384 | { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */ | |
385 | { "Left Input Mixer", NULL, "LINPUT2" }, | |
386 | { "Left Input Mixer", NULL, "LINPUT3" }, | |
387 | ||
388 | { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" }, | |
389 | { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" }, | |
390 | { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
391 | ||
392 | { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", }, | |
393 | { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */ | |
394 | { "Right Input Mixer", NULL, "RINPUT2" }, | |
395 | { "Right Input Mixer", NULL, "LINPUT3" }, | |
396 | ||
397 | { "Left ADC", NULL, "Left Input Mixer" }, | |
398 | { "Right ADC", NULL, "Right Input Mixer" }, | |
399 | ||
400 | { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
401 | { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} , | |
402 | { "Left Output Mixer", "PCM Playback Switch", "Left DAC" }, | |
403 | ||
404 | { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
405 | { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } , | |
406 | { "Right Output Mixer", "PCM Playback Switch", "Right DAC" }, | |
407 | ||
f2644a2c MB |
408 | { "LOUT1 PGA", NULL, "Left Output Mixer" }, |
409 | { "ROUT1 PGA", NULL, "Right Output Mixer" }, | |
410 | ||
411 | { "HP_L", NULL, "LOUT1 PGA" }, | |
412 | { "HP_R", NULL, "ROUT1 PGA" }, | |
413 | ||
414 | { "Left Speaker PGA", NULL, "Left Output Mixer" }, | |
415 | { "Right Speaker PGA", NULL, "Right Output Mixer" }, | |
416 | ||
417 | { "Left Speaker Output", NULL, "Left Speaker PGA" }, | |
418 | { "Right Speaker Output", NULL, "Right Speaker PGA" }, | |
419 | ||
420 | { "SPK_LN", NULL, "Left Speaker Output" }, | |
421 | { "SPK_LP", NULL, "Left Speaker Output" }, | |
422 | { "SPK_RN", NULL, "Right Speaker Output" }, | |
423 | { "SPK_RP", NULL, "Right Speaker Output" }, | |
913d7b4c MB |
424 | }; |
425 | ||
426 | static const struct snd_soc_dapm_route audio_paths_out3[] = { | |
427 | { "Mono Output Mixer", "Left Switch", "Left Output Mixer" }, | |
428 | { "Mono Output Mixer", "Right Switch", "Right Output Mixer" }, | |
f2644a2c MB |
429 | |
430 | { "OUT3", NULL, "Mono Output Mixer", } | |
431 | }; | |
432 | ||
913d7b4c MB |
433 | static const struct snd_soc_dapm_route audio_paths_capless[] = { |
434 | { "HP_L", NULL, "OUT3 VMID" }, | |
435 | { "HP_R", NULL, "OUT3 VMID" }, | |
436 | ||
437 | { "OUT3 VMID", NULL, "Left Output Mixer" }, | |
438 | { "OUT3 VMID", NULL, "Right Output Mixer" }, | |
439 | }; | |
440 | ||
f2644a2c MB |
441 | static int wm8960_add_widgets(struct snd_soc_codec *codec) |
442 | { | |
913d7b4c | 443 | struct wm8960_data *pdata = codec->dev->platform_data; |
b2c812e2 | 444 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
ce6120cc | 445 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
913d7b4c MB |
446 | struct snd_soc_dapm_widget *w; |
447 | ||
ce6120cc | 448 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets, |
f2644a2c MB |
449 | ARRAY_SIZE(wm8960_dapm_widgets)); |
450 | ||
ce6120cc | 451 | snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); |
f2644a2c | 452 | |
913d7b4c MB |
453 | /* In capless mode OUT3 is used to provide VMID for the |
454 | * headphone outputs, otherwise it is used as a mono mixer. | |
455 | */ | |
456 | if (pdata && pdata->capless) { | |
ce6120cc | 457 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless, |
913d7b4c MB |
458 | ARRAY_SIZE(wm8960_dapm_widgets_capless)); |
459 | ||
ce6120cc | 460 | snd_soc_dapm_add_routes(dapm, audio_paths_capless, |
913d7b4c MB |
461 | ARRAY_SIZE(audio_paths_capless)); |
462 | } else { | |
ce6120cc | 463 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3, |
913d7b4c MB |
464 | ARRAY_SIZE(wm8960_dapm_widgets_out3)); |
465 | ||
ce6120cc | 466 | snd_soc_dapm_add_routes(dapm, audio_paths_out3, |
913d7b4c MB |
467 | ARRAY_SIZE(audio_paths_out3)); |
468 | } | |
469 | ||
470 | /* We need to power up the headphone output stage out of | |
471 | * sequence for capless mode. To save scanning the widget | |
472 | * list each time to find the desired power state do so now | |
473 | * and save the result. | |
474 | */ | |
97c866de JN |
475 | list_for_each_entry(w, &codec->card->widgets, list) { |
476 | if (w->dapm != &codec->dapm) | |
477 | continue; | |
913d7b4c MB |
478 | if (strcmp(w->name, "LOUT1 PGA") == 0) |
479 | wm8960->lout1 = w; | |
480 | if (strcmp(w->name, "ROUT1 PGA") == 0) | |
481 | wm8960->rout1 = w; | |
482 | if (strcmp(w->name, "OUT3 VMID") == 0) | |
483 | wm8960->out3 = w; | |
484 | } | |
485 | ||
f2644a2c MB |
486 | return 0; |
487 | } | |
488 | ||
489 | static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
490 | unsigned int fmt) | |
491 | { | |
492 | struct snd_soc_codec *codec = codec_dai->codec; | |
493 | u16 iface = 0; | |
494 | ||
495 | /* set master/slave audio interface */ | |
496 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
497 | case SND_SOC_DAIFMT_CBM_CFM: | |
498 | iface |= 0x0040; | |
499 | break; | |
500 | case SND_SOC_DAIFMT_CBS_CFS: | |
501 | break; | |
502 | default: | |
503 | return -EINVAL; | |
504 | } | |
505 | ||
506 | /* interface format */ | |
507 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
508 | case SND_SOC_DAIFMT_I2S: | |
509 | iface |= 0x0002; | |
510 | break; | |
511 | case SND_SOC_DAIFMT_RIGHT_J: | |
512 | break; | |
513 | case SND_SOC_DAIFMT_LEFT_J: | |
514 | iface |= 0x0001; | |
515 | break; | |
516 | case SND_SOC_DAIFMT_DSP_A: | |
517 | iface |= 0x0003; | |
518 | break; | |
519 | case SND_SOC_DAIFMT_DSP_B: | |
520 | iface |= 0x0013; | |
521 | break; | |
522 | default: | |
523 | return -EINVAL; | |
524 | } | |
525 | ||
526 | /* clock inversion */ | |
527 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
528 | case SND_SOC_DAIFMT_NB_NF: | |
529 | break; | |
530 | case SND_SOC_DAIFMT_IB_IF: | |
531 | iface |= 0x0090; | |
532 | break; | |
533 | case SND_SOC_DAIFMT_IB_NF: | |
534 | iface |= 0x0080; | |
535 | break; | |
536 | case SND_SOC_DAIFMT_NB_IF: | |
537 | iface |= 0x0010; | |
538 | break; | |
539 | default: | |
540 | return -EINVAL; | |
541 | } | |
542 | ||
543 | /* set iface */ | |
17a52fd6 | 544 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
545 | return 0; |
546 | } | |
547 | ||
db059c0f MB |
548 | static struct { |
549 | int rate; | |
550 | unsigned int val; | |
551 | } alc_rates[] = { | |
552 | { 48000, 0 }, | |
553 | { 44100, 0 }, | |
554 | { 32000, 1 }, | |
555 | { 22050, 2 }, | |
556 | { 24000, 2 }, | |
557 | { 16000, 3 }, | |
558 | { 11250, 4 }, | |
559 | { 12000, 4 }, | |
560 | { 8000, 5 }, | |
561 | }; | |
562 | ||
f2644a2c MB |
563 | static int wm8960_hw_params(struct snd_pcm_substream *substream, |
564 | struct snd_pcm_hw_params *params, | |
565 | struct snd_soc_dai *dai) | |
566 | { | |
e6968a17 | 567 | struct snd_soc_codec *codec = dai->codec; |
afd6d36a | 568 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 569 | u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3; |
4c2474c0 | 570 | snd_pcm_format_t format = params_format(params); |
db059c0f | 571 | int i; |
f2644a2c MB |
572 | |
573 | /* bit size */ | |
4c2474c0 | 574 | switch (format) { |
f2644a2c | 575 | case SNDRV_PCM_FORMAT_S16_LE: |
4c2474c0 | 576 | case SNDRV_PCM_FORMAT_S16_BE: |
f2644a2c MB |
577 | break; |
578 | case SNDRV_PCM_FORMAT_S20_3LE: | |
4c2474c0 | 579 | case SNDRV_PCM_FORMAT_S20_3BE: |
f2644a2c MB |
580 | iface |= 0x0004; |
581 | break; | |
582 | case SNDRV_PCM_FORMAT_S24_LE: | |
4c2474c0 | 583 | case SNDRV_PCM_FORMAT_S24_BE: |
f2644a2c MB |
584 | iface |= 0x0008; |
585 | break; | |
4c2474c0 TT |
586 | default: |
587 | dev_err(codec->dev, "unsupported format %i\n", format); | |
588 | return -EINVAL; | |
f2644a2c MB |
589 | } |
590 | ||
afd6d36a MB |
591 | /* Update filters for the new rate */ |
592 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
593 | wm8960->playback_fs = params_rate(params); | |
594 | wm8960_set_deemph(codec); | |
db059c0f MB |
595 | } else { |
596 | for (i = 0; i < ARRAY_SIZE(alc_rates); i++) | |
597 | if (alc_rates[i].rate == params_rate(params)) | |
598 | snd_soc_update_bits(codec, | |
599 | WM8960_ADDCTL3, 0x7, | |
600 | alc_rates[i].val); | |
afd6d36a MB |
601 | } |
602 | ||
f2644a2c | 603 | /* set iface */ |
17a52fd6 | 604 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
605 | return 0; |
606 | } | |
607 | ||
608 | static int wm8960_mute(struct snd_soc_dai *dai, int mute) | |
609 | { | |
610 | struct snd_soc_codec *codec = dai->codec; | |
f2644a2c MB |
611 | |
612 | if (mute) | |
16b24881 | 613 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8); |
f2644a2c | 614 | else |
16b24881 | 615 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0); |
f2644a2c MB |
616 | return 0; |
617 | } | |
618 | ||
913d7b4c MB |
619 | static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, |
620 | enum snd_soc_bias_level level) | |
f2644a2c | 621 | { |
0ebe36c6 MB |
622 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
623 | ||
f2644a2c MB |
624 | switch (level) { |
625 | case SND_SOC_BIAS_ON: | |
626 | break; | |
627 | ||
628 | case SND_SOC_BIAS_PREPARE: | |
629 | /* Set VMID to 2x50k */ | |
16b24881 | 630 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); |
f2644a2c MB |
631 | break; |
632 | ||
633 | case SND_SOC_BIAS_STANDBY: | |
ce6120cc | 634 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
0ebe36c6 | 635 | regcache_sync(wm8960->regmap); |
bc45df2d | 636 | |
f2644a2c | 637 | /* Enable anti-pop features */ |
17a52fd6 | 638 | snd_soc_write(codec, WM8960_APOP1, |
913d7b4c MB |
639 | WM8960_POBCTRL | WM8960_SOFT_ST | |
640 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
f2644a2c MB |
641 | |
642 | /* Enable & ramp VMID at 2x50k */ | |
16b24881 | 643 | snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80); |
f2644a2c MB |
644 | msleep(100); |
645 | ||
646 | /* Enable VREF */ | |
16b24881 AL |
647 | snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF, |
648 | WM8960_VREF); | |
f2644a2c MB |
649 | |
650 | /* Disable anti-pop features */ | |
17a52fd6 | 651 | snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN); |
f2644a2c MB |
652 | } |
653 | ||
654 | /* Set VMID to 2x250k */ | |
16b24881 | 655 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100); |
f2644a2c MB |
656 | break; |
657 | ||
658 | case SND_SOC_BIAS_OFF: | |
659 | /* Enable anti-pop features */ | |
17a52fd6 | 660 | snd_soc_write(codec, WM8960_APOP1, |
f2644a2c MB |
661 | WM8960_POBCTRL | WM8960_SOFT_ST | |
662 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
663 | ||
664 | /* Disable VMID and VREF, let them discharge */ | |
17a52fd6 | 665 | snd_soc_write(codec, WM8960_POWER1, 0); |
f2644a2c | 666 | msleep(600); |
913d7b4c MB |
667 | break; |
668 | } | |
669 | ||
ce6120cc | 670 | codec->dapm.bias_level = level; |
913d7b4c MB |
671 | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, | |
676 | enum snd_soc_bias_level level) | |
677 | { | |
b2c812e2 | 678 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
913d7b4c MB |
679 | int reg; |
680 | ||
681 | switch (level) { | |
682 | case SND_SOC_BIAS_ON: | |
683 | break; | |
684 | ||
685 | case SND_SOC_BIAS_PREPARE: | |
ce6120cc | 686 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
687 | case SND_SOC_BIAS_STANDBY: |
688 | /* Enable anti pop mode */ | |
689 | snd_soc_update_bits(codec, WM8960_APOP1, | |
690 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
691 | WM8960_BUFDCOPEN, | |
692 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
693 | WM8960_BUFDCOPEN); | |
694 | ||
695 | /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */ | |
696 | reg = 0; | |
697 | if (wm8960->lout1 && wm8960->lout1->power) | |
698 | reg |= WM8960_PWR2_LOUT1; | |
699 | if (wm8960->rout1 && wm8960->rout1->power) | |
700 | reg |= WM8960_PWR2_ROUT1; | |
701 | if (wm8960->out3 && wm8960->out3->power) | |
702 | reg |= WM8960_PWR2_OUT3; | |
703 | snd_soc_update_bits(codec, WM8960_POWER2, | |
704 | WM8960_PWR2_LOUT1 | | |
705 | WM8960_PWR2_ROUT1 | | |
706 | WM8960_PWR2_OUT3, reg); | |
707 | ||
708 | /* Enable VMID at 2*50k */ | |
709 | snd_soc_update_bits(codec, WM8960_POWER1, | |
710 | WM8960_VMID_MASK, 0x80); | |
711 | ||
712 | /* Ramp */ | |
713 | msleep(100); | |
714 | ||
715 | /* Enable VREF */ | |
716 | snd_soc_update_bits(codec, WM8960_POWER1, | |
717 | WM8960_VREF, WM8960_VREF); | |
718 | ||
719 | msleep(100); | |
720 | break; | |
721 | ||
722 | case SND_SOC_BIAS_ON: | |
723 | /* Enable anti-pop mode */ | |
724 | snd_soc_update_bits(codec, WM8960_APOP1, | |
725 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
726 | WM8960_BUFDCOPEN, | |
727 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
728 | WM8960_BUFDCOPEN); | |
729 | ||
730 | /* Disable VMID and VREF */ | |
731 | snd_soc_update_bits(codec, WM8960_POWER1, | |
732 | WM8960_VREF | WM8960_VMID_MASK, 0); | |
733 | break; | |
734 | ||
bc45df2d | 735 | case SND_SOC_BIAS_OFF: |
0ebe36c6 | 736 | regcache_sync(wm8960->regmap); |
bc45df2d | 737 | break; |
913d7b4c MB |
738 | default: |
739 | break; | |
740 | } | |
741 | break; | |
f2644a2c | 742 | |
913d7b4c | 743 | case SND_SOC_BIAS_STANDBY: |
ce6120cc | 744 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
745 | case SND_SOC_BIAS_PREPARE: |
746 | /* Disable HP discharge */ | |
747 | snd_soc_update_bits(codec, WM8960_APOP2, | |
748 | WM8960_DISOP | WM8960_DRES_MASK, | |
749 | 0); | |
750 | ||
751 | /* Disable anti-pop features */ | |
752 | snd_soc_update_bits(codec, WM8960_APOP1, | |
753 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
754 | WM8960_BUFDCOPEN, | |
755 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
756 | WM8960_BUFDCOPEN); | |
757 | break; | |
758 | ||
759 | default: | |
760 | break; | |
761 | } | |
762 | break; | |
f2644a2c | 763 | |
913d7b4c | 764 | case SND_SOC_BIAS_OFF: |
f2644a2c MB |
765 | break; |
766 | } | |
767 | ||
ce6120cc | 768 | codec->dapm.bias_level = level; |
f2644a2c MB |
769 | |
770 | return 0; | |
771 | } | |
772 | ||
773 | /* PLL divisors */ | |
774 | struct _pll_div { | |
775 | u32 pre_div:1; | |
776 | u32 n:4; | |
777 | u32 k:24; | |
778 | }; | |
779 | ||
780 | /* The size in bits of the pll divide multiplied by 10 | |
781 | * to allow rounding later */ | |
782 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
783 | ||
784 | static int pll_factors(unsigned int source, unsigned int target, | |
785 | struct _pll_div *pll_div) | |
786 | { | |
787 | unsigned long long Kpart; | |
788 | unsigned int K, Ndiv, Nmod; | |
789 | ||
790 | pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target); | |
791 | ||
792 | /* Scale up target to PLL operating frequency */ | |
793 | target *= 4; | |
794 | ||
795 | Ndiv = target / source; | |
796 | if (Ndiv < 6) { | |
797 | source >>= 1; | |
798 | pll_div->pre_div = 1; | |
799 | Ndiv = target / source; | |
800 | } else | |
801 | pll_div->pre_div = 0; | |
802 | ||
803 | if ((Ndiv < 6) || (Ndiv > 12)) { | |
804 | pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv); | |
805 | return -EINVAL; | |
806 | } | |
807 | ||
808 | pll_div->n = Ndiv; | |
809 | Nmod = target % source; | |
810 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
811 | ||
812 | do_div(Kpart, source); | |
813 | ||
814 | K = Kpart & 0xFFFFFFFF; | |
815 | ||
816 | /* Check if we need to round */ | |
817 | if ((K % 10) >= 5) | |
818 | K += 5; | |
819 | ||
820 | /* Move down to proper range now rounding is done */ | |
821 | K /= 10; | |
822 | ||
823 | pll_div->k = K; | |
824 | ||
825 | pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n", | |
826 | pll_div->n, pll_div->k, pll_div->pre_div); | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
85488037 MB |
831 | static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
832 | int source, unsigned int freq_in, unsigned int freq_out) | |
f2644a2c MB |
833 | { |
834 | struct snd_soc_codec *codec = codec_dai->codec; | |
835 | u16 reg; | |
836 | static struct _pll_div pll_div; | |
837 | int ret; | |
838 | ||
839 | if (freq_in && freq_out) { | |
840 | ret = pll_factors(freq_in, freq_out, &pll_div); | |
841 | if (ret != 0) | |
842 | return ret; | |
843 | } | |
844 | ||
845 | /* Disable the PLL: even if we are changing the frequency the | |
846 | * PLL needs to be disabled while we do so. */ | |
16b24881 AL |
847 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0); |
848 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0); | |
f2644a2c MB |
849 | |
850 | if (!freq_in || !freq_out) | |
851 | return 0; | |
852 | ||
17a52fd6 | 853 | reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f; |
f2644a2c MB |
854 | reg |= pll_div.pre_div << 4; |
855 | reg |= pll_div.n; | |
856 | ||
857 | if (pll_div.k) { | |
858 | reg |= 0x20; | |
859 | ||
85fa532b MD |
860 | snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff); |
861 | snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff); | |
862 | snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff); | |
f2644a2c | 863 | } |
17a52fd6 | 864 | snd_soc_write(codec, WM8960_PLL1, reg); |
f2644a2c MB |
865 | |
866 | /* Turn it on */ | |
16b24881 | 867 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1); |
f2644a2c | 868 | msleep(250); |
16b24881 | 869 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1); |
f2644a2c MB |
870 | |
871 | return 0; | |
872 | } | |
873 | ||
874 | static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | |
875 | int div_id, int div) | |
876 | { | |
877 | struct snd_soc_codec *codec = codec_dai->codec; | |
878 | u16 reg; | |
879 | ||
880 | switch (div_id) { | |
f2644a2c | 881 | case WM8960_SYSCLKDIV: |
17a52fd6 MB |
882 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9; |
883 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
884 | break; |
885 | case WM8960_DACDIV: | |
17a52fd6 MB |
886 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7; |
887 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
888 | break; |
889 | case WM8960_OPCLKDIV: | |
17a52fd6 MB |
890 | reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f; |
891 | snd_soc_write(codec, WM8960_PLL1, reg | div); | |
f2644a2c MB |
892 | break; |
893 | case WM8960_DCLKDIV: | |
17a52fd6 MB |
894 | reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f; |
895 | snd_soc_write(codec, WM8960_CLOCK2, reg | div); | |
f2644a2c MB |
896 | break; |
897 | case WM8960_TOCLKSEL: | |
17a52fd6 MB |
898 | reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd; |
899 | snd_soc_write(codec, WM8960_ADDCTL1, reg | div); | |
f2644a2c MB |
900 | break; |
901 | default: | |
902 | return -EINVAL; | |
903 | } | |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
f0fba2ad LG |
908 | static int wm8960_set_bias_level(struct snd_soc_codec *codec, |
909 | enum snd_soc_bias_level level) | |
910 | { | |
911 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
912 | ||
913 | return wm8960->set_bias_level(codec, level); | |
914 | } | |
915 | ||
f2644a2c MB |
916 | #define WM8960_RATES SNDRV_PCM_RATE_8000_48000 |
917 | ||
918 | #define WM8960_FORMATS \ | |
919 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
920 | SNDRV_PCM_FMTBIT_S24_LE) | |
921 | ||
85e7652d | 922 | static const struct snd_soc_dai_ops wm8960_dai_ops = { |
f2644a2c MB |
923 | .hw_params = wm8960_hw_params, |
924 | .digital_mute = wm8960_mute, | |
925 | .set_fmt = wm8960_set_dai_fmt, | |
926 | .set_clkdiv = wm8960_set_dai_clkdiv, | |
927 | .set_pll = wm8960_set_dai_pll, | |
928 | }; | |
929 | ||
f0fba2ad LG |
930 | static struct snd_soc_dai_driver wm8960_dai = { |
931 | .name = "wm8960-hifi", | |
f2644a2c MB |
932 | .playback = { |
933 | .stream_name = "Playback", | |
934 | .channels_min = 1, | |
935 | .channels_max = 2, | |
936 | .rates = WM8960_RATES, | |
937 | .formats = WM8960_FORMATS,}, | |
938 | .capture = { | |
939 | .stream_name = "Capture", | |
940 | .channels_min = 1, | |
941 | .channels_max = 2, | |
942 | .rates = WM8960_RATES, | |
943 | .formats = WM8960_FORMATS,}, | |
944 | .ops = &wm8960_dai_ops, | |
945 | .symmetric_rates = 1, | |
946 | }; | |
f2644a2c | 947 | |
84b315ee | 948 | static int wm8960_suspend(struct snd_soc_codec *codec) |
f2644a2c | 949 | { |
f0fba2ad | 950 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
f2644a2c | 951 | |
f0fba2ad | 952 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); |
f2644a2c MB |
953 | return 0; |
954 | } | |
955 | ||
f0fba2ad | 956 | static int wm8960_resume(struct snd_soc_codec *codec) |
f2644a2c | 957 | { |
f0fba2ad | 958 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
f2644a2c | 959 | |
f0fba2ad | 960 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
f2644a2c MB |
961 | return 0; |
962 | } | |
963 | ||
f0fba2ad | 964 | static int wm8960_probe(struct snd_soc_codec *codec) |
f2644a2c | 965 | { |
f0fba2ad LG |
966 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
967 | struct wm8960_data *pdata = dev_get_platdata(codec->dev); | |
f2644a2c | 968 | int ret; |
f2644a2c | 969 | |
f0fba2ad | 970 | wm8960->set_bias_level = wm8960_set_bias_level_out3; |
913d7b4c | 971 | |
f2644a2c MB |
972 | if (!pdata) { |
973 | dev_warn(codec->dev, "No platform data supplied\n"); | |
974 | } else { | |
913d7b4c | 975 | if (pdata->capless) |
f0fba2ad | 976 | wm8960->set_bias_level = wm8960_set_bias_level_capless; |
f2644a2c MB |
977 | } |
978 | ||
f2644a2c MB |
979 | ret = wm8960_reset(codec); |
980 | if (ret < 0) { | |
981 | dev_err(codec->dev, "Failed to issue reset\n"); | |
f0fba2ad | 982 | return ret; |
f2644a2c MB |
983 | } |
984 | ||
f0fba2ad | 985 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
f2644a2c MB |
986 | |
987 | /* Latch the update bits */ | |
16b24881 AL |
988 | snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100); |
989 | snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100); | |
990 | snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100); | |
991 | snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100); | |
992 | snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100); | |
993 | snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100); | |
994 | snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100); | |
995 | snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100); | |
996 | snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100); | |
997 | snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100); | |
f2644a2c | 998 | |
022658be | 999 | snd_soc_add_codec_controls(codec, wm8960_snd_controls, |
f0fba2ad LG |
1000 | ARRAY_SIZE(wm8960_snd_controls)); |
1001 | wm8960_add_widgets(codec); | |
f2644a2c MB |
1002 | |
1003 | return 0; | |
1004 | } | |
1005 | ||
f0fba2ad LG |
1006 | /* power down chip */ |
1007 | static int wm8960_remove(struct snd_soc_codec *codec) | |
f2644a2c | 1008 | { |
f0fba2ad LG |
1009 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
1010 | ||
1011 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1012 | return 0; | |
f2644a2c MB |
1013 | } |
1014 | ||
f0fba2ad LG |
1015 | static struct snd_soc_codec_driver soc_codec_dev_wm8960 = { |
1016 | .probe = wm8960_probe, | |
1017 | .remove = wm8960_remove, | |
1018 | .suspend = wm8960_suspend, | |
1019 | .resume = wm8960_resume, | |
1020 | .set_bias_level = wm8960_set_bias_level, | |
0ebe36c6 MB |
1021 | }; |
1022 | ||
1023 | static const struct regmap_config wm8960_regmap = { | |
1024 | .reg_bits = 7, | |
1025 | .val_bits = 9, | |
1026 | .max_register = WM8960_PLL4, | |
1027 | ||
1028 | .reg_defaults = wm8960_reg_defaults, | |
1029 | .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults), | |
1030 | .cache_type = REGCACHE_RBTREE, | |
1031 | ||
1032 | .volatile_reg = wm8960_volatile, | |
f0fba2ad LG |
1033 | }; |
1034 | ||
7a79e94e BP |
1035 | static int wm8960_i2c_probe(struct i2c_client *i2c, |
1036 | const struct i2c_device_id *id) | |
f2644a2c | 1037 | { |
37061631 | 1038 | struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); |
f2644a2c | 1039 | struct wm8960_priv *wm8960; |
f0fba2ad | 1040 | int ret; |
f2644a2c | 1041 | |
b9791c01 MB |
1042 | wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv), |
1043 | GFP_KERNEL); | |
f2644a2c MB |
1044 | if (wm8960 == NULL) |
1045 | return -ENOMEM; | |
1046 | ||
c5e6f5fa | 1047 | wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); |
0ebe36c6 MB |
1048 | if (IS_ERR(wm8960->regmap)) |
1049 | return PTR_ERR(wm8960->regmap); | |
1050 | ||
37061631 MB |
1051 | if (pdata && pdata->shared_lrclk) { |
1052 | ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, | |
1053 | 0x4, 0x4); | |
1054 | if (ret != 0) { | |
1055 | dev_err(&i2c->dev, "Failed to enable LRCM: %d\n", | |
1056 | ret); | |
1057 | return ret; | |
1058 | } | |
1059 | } | |
1060 | ||
f2644a2c | 1061 | i2c_set_clientdata(i2c, wm8960); |
f2644a2c | 1062 | |
f0fba2ad LG |
1063 | ret = snd_soc_register_codec(&i2c->dev, |
1064 | &soc_codec_dev_wm8960, &wm8960_dai, 1); | |
b9791c01 | 1065 | |
f0fba2ad | 1066 | return ret; |
f2644a2c MB |
1067 | } |
1068 | ||
7a79e94e | 1069 | static int wm8960_i2c_remove(struct i2c_client *client) |
f2644a2c | 1070 | { |
f0fba2ad | 1071 | snd_soc_unregister_codec(&client->dev); |
f2644a2c MB |
1072 | return 0; |
1073 | } | |
1074 | ||
1075 | static const struct i2c_device_id wm8960_i2c_id[] = { | |
1076 | { "wm8960", 0 }, | |
1077 | { } | |
1078 | }; | |
1079 | MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id); | |
1080 | ||
1081 | static struct i2c_driver wm8960_i2c_driver = { | |
1082 | .driver = { | |
091edccf | 1083 | .name = "wm8960", |
f2644a2c MB |
1084 | .owner = THIS_MODULE, |
1085 | }, | |
1086 | .probe = wm8960_i2c_probe, | |
7a79e94e | 1087 | .remove = wm8960_i2c_remove, |
f2644a2c MB |
1088 | .id_table = wm8960_i2c_id, |
1089 | }; | |
1090 | ||
3c010e60 | 1091 | module_i2c_driver(wm8960_i2c_driver); |
f2644a2c | 1092 | |
f2644a2c MB |
1093 | MODULE_DESCRIPTION("ASoC WM8960 driver"); |
1094 | MODULE_AUTHOR("Liam Girdwood"); | |
1095 | MODULE_LICENSE("GPL"); |