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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; | |
e2280c90 | 128 | struct wm8960_data pdata; |
f2644a2c MB |
129 | }; |
130 | ||
3ad5e861 | 131 | #define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0) |
f2644a2c MB |
132 | |
133 | /* enumerated controls */ | |
f2644a2c MB |
134 | static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted", |
135 | "Right Inverted", "Stereo Inversion"}; | |
136 | static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"}; | |
137 | static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"}; | |
138 | static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"}; | |
139 | static const char *wm8960_alcmode[] = {"ALC", "Limiter"}; | |
140 | ||
141 | static const struct soc_enum wm8960_enum[] = { | |
f2644a2c MB |
142 | SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity), |
143 | SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity), | |
144 | SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff), | |
145 | SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff), | |
146 | SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc), | |
147 | SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode), | |
148 | }; | |
149 | ||
afd6d36a MB |
150 | static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; |
151 | ||
152 | static int wm8960_set_deemph(struct snd_soc_codec *codec) | |
153 | { | |
154 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
155 | int val, i, best; | |
156 | ||
157 | /* If we're using deemphasis select the nearest available sample | |
158 | * rate. | |
159 | */ | |
160 | if (wm8960->deemph) { | |
161 | best = 1; | |
162 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { | |
163 | if (abs(deemph_settings[i] - wm8960->playback_fs) < | |
164 | abs(deemph_settings[best] - wm8960->playback_fs)) | |
165 | best = i; | |
166 | } | |
167 | ||
168 | val = best << 1; | |
169 | } else { | |
170 | val = 0; | |
171 | } | |
172 | ||
173 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); | |
174 | ||
175 | return snd_soc_update_bits(codec, WM8960_DACCTL1, | |
176 | 0x6, val); | |
177 | } | |
178 | ||
179 | static int wm8960_get_deemph(struct snd_kcontrol *kcontrol, | |
180 | struct snd_ctl_elem_value *ucontrol) | |
181 | { | |
ea53bf77 | 182 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
afd6d36a MB |
183 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
184 | ||
3f343f85 DA |
185 | ucontrol->value.enumerated.item[0] = wm8960->deemph; |
186 | return 0; | |
afd6d36a MB |
187 | } |
188 | ||
189 | static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, | |
190 | struct snd_ctl_elem_value *ucontrol) | |
191 | { | |
ea53bf77 | 192 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
afd6d36a MB |
193 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
194 | int deemph = ucontrol->value.enumerated.item[0]; | |
195 | ||
196 | if (deemph > 1) | |
197 | return -EINVAL; | |
198 | ||
199 | wm8960->deemph = deemph; | |
200 | ||
201 | return wm8960_set_deemph(codec); | |
202 | } | |
203 | ||
f2644a2c MB |
204 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0); |
205 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); | |
206 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0); | |
207 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
21eb2693 | 208 | static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1); |
f2644a2c MB |
209 | |
210 | static const struct snd_kcontrol_new wm8960_snd_controls[] = { | |
211 | SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, | |
212 | 0, 63, 0, adc_tlv), | |
213 | SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, | |
214 | 6, 1, 0), | |
215 | SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, | |
216 | 7, 1, 0), | |
217 | ||
21eb2693 MB |
218 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", |
219 | WM8960_INBMIX1, 4, 7, 0, boost_tlv), | |
220 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume", | |
221 | WM8960_INBMIX1, 1, 7, 0, boost_tlv), | |
222 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume", | |
223 | WM8960_INBMIX2, 4, 7, 0, boost_tlv), | |
224 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume", | |
225 | WM8960_INBMIX2, 1, 7, 0, boost_tlv), | |
226 | ||
f2644a2c MB |
227 | SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC, |
228 | 0, 255, 0, dac_tlv), | |
229 | ||
230 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1, | |
231 | 0, 127, 0, out_tlv), | |
232 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1, | |
233 | 7, 1, 0), | |
234 | ||
235 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2, | |
236 | 0, 127, 0, out_tlv), | |
237 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2, | |
238 | 7, 1, 0), | |
239 | SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0), | |
240 | SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0), | |
241 | ||
242 | SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), | |
4faaa8d9 | 243 | SOC_ENUM("ADC Polarity", wm8960_enum[0]), |
f2644a2c MB |
244 | SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), |
245 | ||
246 | SOC_ENUM("DAC Polarity", wm8960_enum[2]), | |
afd6d36a MB |
247 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
248 | wm8960_get_deemph, wm8960_put_deemph), | |
f2644a2c | 249 | |
4faaa8d9 MB |
250 | SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]), |
251 | SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]), | |
f2644a2c MB |
252 | SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0), |
253 | SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0), | |
254 | ||
4faaa8d9 | 255 | SOC_ENUM("ALC Function", wm8960_enum[4]), |
f2644a2c MB |
256 | SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0), |
257 | SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1), | |
258 | SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0), | |
259 | SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0), | |
4faaa8d9 | 260 | SOC_ENUM("ALC Mode", wm8960_enum[5]), |
f2644a2c MB |
261 | SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0), |
262 | SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0), | |
263 | ||
264 | SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0), | |
265 | SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0), | |
266 | ||
c324aac0 MH |
267 | SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC, |
268 | 0, 255, 0, adc_tlv), | |
f2644a2c MB |
269 | |
270 | SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume", | |
271 | WM8960_BYPASS1, 4, 7, 1, bypass_tlv), | |
272 | SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume", | |
273 | WM8960_LOUTMIX, 4, 7, 1, bypass_tlv), | |
274 | SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume", | |
275 | WM8960_BYPASS2, 4, 7, 1, bypass_tlv), | |
276 | SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume", | |
277 | WM8960_ROUTMIX, 4, 7, 1, bypass_tlv), | |
278 | }; | |
279 | ||
280 | static const struct snd_kcontrol_new wm8960_lin_boost[] = { | |
281 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0), | |
282 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0), | |
283 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0), | |
284 | }; | |
285 | ||
286 | static const struct snd_kcontrol_new wm8960_lin[] = { | |
287 | SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0), | |
288 | }; | |
289 | ||
290 | static const struct snd_kcontrol_new wm8960_rin_boost[] = { | |
291 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0), | |
292 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0), | |
293 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0), | |
294 | }; | |
295 | ||
296 | static const struct snd_kcontrol_new wm8960_rin[] = { | |
297 | SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0), | |
298 | }; | |
299 | ||
300 | static const struct snd_kcontrol_new wm8960_loutput_mixer[] = { | |
301 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0), | |
302 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0), | |
303 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0), | |
304 | }; | |
305 | ||
306 | static const struct snd_kcontrol_new wm8960_routput_mixer[] = { | |
307 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0), | |
308 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0), | |
309 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0), | |
310 | }; | |
311 | ||
312 | static const struct snd_kcontrol_new wm8960_mono_out[] = { | |
313 | SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0), | |
314 | SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0), | |
315 | }; | |
316 | ||
317 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = { | |
318 | SND_SOC_DAPM_INPUT("LINPUT1"), | |
319 | SND_SOC_DAPM_INPUT("RINPUT1"), | |
320 | SND_SOC_DAPM_INPUT("LINPUT2"), | |
321 | SND_SOC_DAPM_INPUT("RINPUT2"), | |
322 | SND_SOC_DAPM_INPUT("LINPUT3"), | |
323 | SND_SOC_DAPM_INPUT("RINPUT3"), | |
324 | ||
187774cb | 325 | SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0), |
f2644a2c MB |
326 | |
327 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0, | |
328 | wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)), | |
329 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0, | |
330 | wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)), | |
331 | ||
332 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0, | |
333 | wm8960_lin, ARRAY_SIZE(wm8960_lin)), | |
334 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0, | |
335 | wm8960_rin, ARRAY_SIZE(wm8960_rin)), | |
336 | ||
44426de4 MB |
337 | SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0), |
338 | SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0), | |
f2644a2c MB |
339 | |
340 | SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0), | |
341 | SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0), | |
342 | ||
343 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0, | |
344 | &wm8960_loutput_mixer[0], | |
345 | ARRAY_SIZE(wm8960_loutput_mixer)), | |
346 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0, | |
347 | &wm8960_routput_mixer[0], | |
348 | ARRAY_SIZE(wm8960_routput_mixer)), | |
349 | ||
f2644a2c MB |
350 | SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0), |
351 | SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0), | |
352 | ||
353 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0), | |
354 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0), | |
355 | ||
356 | SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0), | |
357 | SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0), | |
358 | ||
359 | SND_SOC_DAPM_OUTPUT("SPK_LP"), | |
360 | SND_SOC_DAPM_OUTPUT("SPK_LN"), | |
361 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
362 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
363 | SND_SOC_DAPM_OUTPUT("SPK_RP"), | |
364 | SND_SOC_DAPM_OUTPUT("SPK_RN"), | |
365 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
366 | }; | |
367 | ||
913d7b4c MB |
368 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = { |
369 | SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0, | |
370 | &wm8960_mono_out[0], | |
371 | ARRAY_SIZE(wm8960_mono_out)), | |
372 | }; | |
373 | ||
374 | /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */ | |
375 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = { | |
376 | SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0), | |
377 | }; | |
378 | ||
f2644a2c MB |
379 | static const struct snd_soc_dapm_route audio_paths[] = { |
380 | { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" }, | |
381 | { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" }, | |
382 | { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
383 | ||
384 | { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", }, | |
385 | { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */ | |
386 | { "Left Input Mixer", NULL, "LINPUT2" }, | |
387 | { "Left Input Mixer", NULL, "LINPUT3" }, | |
388 | ||
389 | { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" }, | |
390 | { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" }, | |
391 | { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
392 | ||
393 | { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", }, | |
394 | { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */ | |
395 | { "Right Input Mixer", NULL, "RINPUT2" }, | |
396 | { "Right Input Mixer", NULL, "LINPUT3" }, | |
397 | ||
398 | { "Left ADC", NULL, "Left Input Mixer" }, | |
399 | { "Right ADC", NULL, "Right Input Mixer" }, | |
400 | ||
401 | { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
402 | { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} , | |
403 | { "Left Output Mixer", "PCM Playback Switch", "Left DAC" }, | |
404 | ||
405 | { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
406 | { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } , | |
407 | { "Right Output Mixer", "PCM Playback Switch", "Right DAC" }, | |
408 | ||
f2644a2c MB |
409 | { "LOUT1 PGA", NULL, "Left Output Mixer" }, |
410 | { "ROUT1 PGA", NULL, "Right Output Mixer" }, | |
411 | ||
412 | { "HP_L", NULL, "LOUT1 PGA" }, | |
413 | { "HP_R", NULL, "ROUT1 PGA" }, | |
414 | ||
415 | { "Left Speaker PGA", NULL, "Left Output Mixer" }, | |
416 | { "Right Speaker PGA", NULL, "Right Output Mixer" }, | |
417 | ||
418 | { "Left Speaker Output", NULL, "Left Speaker PGA" }, | |
419 | { "Right Speaker Output", NULL, "Right Speaker PGA" }, | |
420 | ||
421 | { "SPK_LN", NULL, "Left Speaker Output" }, | |
422 | { "SPK_LP", NULL, "Left Speaker Output" }, | |
423 | { "SPK_RN", NULL, "Right Speaker Output" }, | |
424 | { "SPK_RP", NULL, "Right Speaker Output" }, | |
913d7b4c MB |
425 | }; |
426 | ||
427 | static const struct snd_soc_dapm_route audio_paths_out3[] = { | |
428 | { "Mono Output Mixer", "Left Switch", "Left Output Mixer" }, | |
429 | { "Mono Output Mixer", "Right Switch", "Right Output Mixer" }, | |
f2644a2c MB |
430 | |
431 | { "OUT3", NULL, "Mono Output Mixer", } | |
432 | }; | |
433 | ||
913d7b4c MB |
434 | static const struct snd_soc_dapm_route audio_paths_capless[] = { |
435 | { "HP_L", NULL, "OUT3 VMID" }, | |
436 | { "HP_R", NULL, "OUT3 VMID" }, | |
437 | ||
438 | { "OUT3 VMID", NULL, "Left Output Mixer" }, | |
439 | { "OUT3 VMID", NULL, "Right Output Mixer" }, | |
440 | }; | |
441 | ||
f2644a2c MB |
442 | static int wm8960_add_widgets(struct snd_soc_codec *codec) |
443 | { | |
b2c812e2 | 444 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
e2280c90 | 445 | struct wm8960_data *pdata = &wm8960->pdata; |
ce6120cc | 446 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
913d7b4c MB |
447 | struct snd_soc_dapm_widget *w; |
448 | ||
ce6120cc | 449 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets, |
f2644a2c MB |
450 | ARRAY_SIZE(wm8960_dapm_widgets)); |
451 | ||
ce6120cc | 452 | snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); |
f2644a2c | 453 | |
913d7b4c MB |
454 | /* In capless mode OUT3 is used to provide VMID for the |
455 | * headphone outputs, otherwise it is used as a mono mixer. | |
456 | */ | |
457 | if (pdata && pdata->capless) { | |
ce6120cc | 458 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless, |
913d7b4c MB |
459 | ARRAY_SIZE(wm8960_dapm_widgets_capless)); |
460 | ||
ce6120cc | 461 | snd_soc_dapm_add_routes(dapm, audio_paths_capless, |
913d7b4c MB |
462 | ARRAY_SIZE(audio_paths_capless)); |
463 | } else { | |
ce6120cc | 464 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3, |
913d7b4c MB |
465 | ARRAY_SIZE(wm8960_dapm_widgets_out3)); |
466 | ||
ce6120cc | 467 | snd_soc_dapm_add_routes(dapm, audio_paths_out3, |
913d7b4c MB |
468 | ARRAY_SIZE(audio_paths_out3)); |
469 | } | |
470 | ||
471 | /* We need to power up the headphone output stage out of | |
472 | * sequence for capless mode. To save scanning the widget | |
473 | * list each time to find the desired power state do so now | |
474 | * and save the result. | |
475 | */ | |
00200107 | 476 | list_for_each_entry(w, &codec->component.card->widgets, list) { |
97c866de JN |
477 | if (w->dapm != &codec->dapm) |
478 | continue; | |
913d7b4c MB |
479 | if (strcmp(w->name, "LOUT1 PGA") == 0) |
480 | wm8960->lout1 = w; | |
481 | if (strcmp(w->name, "ROUT1 PGA") == 0) | |
482 | wm8960->rout1 = w; | |
483 | if (strcmp(w->name, "OUT3 VMID") == 0) | |
484 | wm8960->out3 = w; | |
485 | } | |
486 | ||
f2644a2c MB |
487 | return 0; |
488 | } | |
489 | ||
490 | static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
491 | unsigned int fmt) | |
492 | { | |
493 | struct snd_soc_codec *codec = codec_dai->codec; | |
494 | u16 iface = 0; | |
495 | ||
496 | /* set master/slave audio interface */ | |
497 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
498 | case SND_SOC_DAIFMT_CBM_CFM: | |
499 | iface |= 0x0040; | |
500 | break; | |
501 | case SND_SOC_DAIFMT_CBS_CFS: | |
502 | break; | |
503 | default: | |
504 | return -EINVAL; | |
505 | } | |
506 | ||
507 | /* interface format */ | |
508 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
509 | case SND_SOC_DAIFMT_I2S: | |
510 | iface |= 0x0002; | |
511 | break; | |
512 | case SND_SOC_DAIFMT_RIGHT_J: | |
513 | break; | |
514 | case SND_SOC_DAIFMT_LEFT_J: | |
515 | iface |= 0x0001; | |
516 | break; | |
517 | case SND_SOC_DAIFMT_DSP_A: | |
518 | iface |= 0x0003; | |
519 | break; | |
520 | case SND_SOC_DAIFMT_DSP_B: | |
521 | iface |= 0x0013; | |
522 | break; | |
523 | default: | |
524 | return -EINVAL; | |
525 | } | |
526 | ||
527 | /* clock inversion */ | |
528 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
529 | case SND_SOC_DAIFMT_NB_NF: | |
530 | break; | |
531 | case SND_SOC_DAIFMT_IB_IF: | |
532 | iface |= 0x0090; | |
533 | break; | |
534 | case SND_SOC_DAIFMT_IB_NF: | |
535 | iface |= 0x0080; | |
536 | break; | |
537 | case SND_SOC_DAIFMT_NB_IF: | |
538 | iface |= 0x0010; | |
539 | break; | |
540 | default: | |
541 | return -EINVAL; | |
542 | } | |
543 | ||
544 | /* set iface */ | |
17a52fd6 | 545 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
546 | return 0; |
547 | } | |
548 | ||
db059c0f MB |
549 | static struct { |
550 | int rate; | |
551 | unsigned int val; | |
552 | } alc_rates[] = { | |
553 | { 48000, 0 }, | |
554 | { 44100, 0 }, | |
555 | { 32000, 1 }, | |
556 | { 22050, 2 }, | |
557 | { 24000, 2 }, | |
558 | { 16000, 3 }, | |
559 | { 11250, 4 }, | |
560 | { 12000, 4 }, | |
561 | { 8000, 5 }, | |
562 | }; | |
563 | ||
f2644a2c MB |
564 | static int wm8960_hw_params(struct snd_pcm_substream *substream, |
565 | struct snd_pcm_hw_params *params, | |
566 | struct snd_soc_dai *dai) | |
567 | { | |
e6968a17 | 568 | struct snd_soc_codec *codec = dai->codec; |
afd6d36a | 569 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 570 | u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3; |
db059c0f | 571 | int i; |
f2644a2c MB |
572 | |
573 | /* bit size */ | |
39e9cc46 MB |
574 | switch (params_width(params)) { |
575 | case 16: | |
f2644a2c | 576 | break; |
39e9cc46 | 577 | case 20: |
f2644a2c MB |
578 | iface |= 0x0004; |
579 | break; | |
39e9cc46 | 580 | case 24: |
f2644a2c MB |
581 | iface |= 0x0008; |
582 | break; | |
4c2474c0 | 583 | default: |
39e9cc46 MB |
584 | dev_err(codec->dev, "unsupported width %d\n", |
585 | params_width(params)); | |
4c2474c0 | 586 | return -EINVAL; |
f2644a2c MB |
587 | } |
588 | ||
afd6d36a MB |
589 | /* Update filters for the new rate */ |
590 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
591 | wm8960->playback_fs = params_rate(params); | |
592 | wm8960_set_deemph(codec); | |
db059c0f MB |
593 | } else { |
594 | for (i = 0; i < ARRAY_SIZE(alc_rates); i++) | |
595 | if (alc_rates[i].rate == params_rate(params)) | |
596 | snd_soc_update_bits(codec, | |
597 | WM8960_ADDCTL3, 0x7, | |
598 | alc_rates[i].val); | |
afd6d36a MB |
599 | } |
600 | ||
f2644a2c | 601 | /* set iface */ |
17a52fd6 | 602 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
603 | return 0; |
604 | } | |
605 | ||
606 | static int wm8960_mute(struct snd_soc_dai *dai, int mute) | |
607 | { | |
608 | struct snd_soc_codec *codec = dai->codec; | |
f2644a2c MB |
609 | |
610 | if (mute) | |
16b24881 | 611 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8); |
f2644a2c | 612 | else |
16b24881 | 613 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0); |
f2644a2c MB |
614 | return 0; |
615 | } | |
616 | ||
913d7b4c MB |
617 | static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, |
618 | enum snd_soc_bias_level level) | |
f2644a2c | 619 | { |
0ebe36c6 MB |
620 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
621 | ||
f2644a2c MB |
622 | switch (level) { |
623 | case SND_SOC_BIAS_ON: | |
624 | break; | |
625 | ||
626 | case SND_SOC_BIAS_PREPARE: | |
627 | /* Set VMID to 2x50k */ | |
16b24881 | 628 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); |
f2644a2c MB |
629 | break; |
630 | ||
631 | case SND_SOC_BIAS_STANDBY: | |
ce6120cc | 632 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
0ebe36c6 | 633 | regcache_sync(wm8960->regmap); |
bc45df2d | 634 | |
f2644a2c | 635 | /* Enable anti-pop features */ |
17a52fd6 | 636 | snd_soc_write(codec, WM8960_APOP1, |
913d7b4c MB |
637 | WM8960_POBCTRL | WM8960_SOFT_ST | |
638 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
f2644a2c MB |
639 | |
640 | /* Enable & ramp VMID at 2x50k */ | |
16b24881 | 641 | snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80); |
f2644a2c MB |
642 | msleep(100); |
643 | ||
644 | /* Enable VREF */ | |
16b24881 AL |
645 | snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF, |
646 | WM8960_VREF); | |
f2644a2c MB |
647 | |
648 | /* Disable anti-pop features */ | |
17a52fd6 | 649 | snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN); |
f2644a2c MB |
650 | } |
651 | ||
652 | /* Set VMID to 2x250k */ | |
16b24881 | 653 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100); |
f2644a2c MB |
654 | break; |
655 | ||
656 | case SND_SOC_BIAS_OFF: | |
657 | /* Enable anti-pop features */ | |
17a52fd6 | 658 | snd_soc_write(codec, WM8960_APOP1, |
f2644a2c MB |
659 | WM8960_POBCTRL | WM8960_SOFT_ST | |
660 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
661 | ||
662 | /* Disable VMID and VREF, let them discharge */ | |
17a52fd6 | 663 | snd_soc_write(codec, WM8960_POWER1, 0); |
f2644a2c | 664 | msleep(600); |
913d7b4c MB |
665 | break; |
666 | } | |
667 | ||
ce6120cc | 668 | codec->dapm.bias_level = level; |
913d7b4c MB |
669 | |
670 | return 0; | |
671 | } | |
672 | ||
673 | static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, | |
674 | enum snd_soc_bias_level level) | |
675 | { | |
b2c812e2 | 676 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
913d7b4c MB |
677 | int reg; |
678 | ||
679 | switch (level) { | |
680 | case SND_SOC_BIAS_ON: | |
681 | break; | |
682 | ||
683 | case SND_SOC_BIAS_PREPARE: | |
ce6120cc | 684 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
685 | case SND_SOC_BIAS_STANDBY: |
686 | /* Enable anti pop mode */ | |
687 | snd_soc_update_bits(codec, WM8960_APOP1, | |
688 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
689 | WM8960_BUFDCOPEN, | |
690 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
691 | WM8960_BUFDCOPEN); | |
692 | ||
693 | /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */ | |
694 | reg = 0; | |
695 | if (wm8960->lout1 && wm8960->lout1->power) | |
696 | reg |= WM8960_PWR2_LOUT1; | |
697 | if (wm8960->rout1 && wm8960->rout1->power) | |
698 | reg |= WM8960_PWR2_ROUT1; | |
699 | if (wm8960->out3 && wm8960->out3->power) | |
700 | reg |= WM8960_PWR2_OUT3; | |
701 | snd_soc_update_bits(codec, WM8960_POWER2, | |
702 | WM8960_PWR2_LOUT1 | | |
703 | WM8960_PWR2_ROUT1 | | |
704 | WM8960_PWR2_OUT3, reg); | |
705 | ||
706 | /* Enable VMID at 2*50k */ | |
707 | snd_soc_update_bits(codec, WM8960_POWER1, | |
708 | WM8960_VMID_MASK, 0x80); | |
709 | ||
710 | /* Ramp */ | |
711 | msleep(100); | |
712 | ||
713 | /* Enable VREF */ | |
714 | snd_soc_update_bits(codec, WM8960_POWER1, | |
715 | WM8960_VREF, WM8960_VREF); | |
716 | ||
717 | msleep(100); | |
718 | break; | |
719 | ||
720 | case SND_SOC_BIAS_ON: | |
721 | /* Enable anti-pop mode */ | |
722 | snd_soc_update_bits(codec, WM8960_APOP1, | |
723 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
724 | WM8960_BUFDCOPEN, | |
725 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
726 | WM8960_BUFDCOPEN); | |
727 | ||
728 | /* Disable VMID and VREF */ | |
729 | snd_soc_update_bits(codec, WM8960_POWER1, | |
730 | WM8960_VREF | WM8960_VMID_MASK, 0); | |
731 | break; | |
732 | ||
bc45df2d | 733 | case SND_SOC_BIAS_OFF: |
0ebe36c6 | 734 | regcache_sync(wm8960->regmap); |
bc45df2d | 735 | break; |
913d7b4c MB |
736 | default: |
737 | break; | |
738 | } | |
739 | break; | |
f2644a2c | 740 | |
913d7b4c | 741 | case SND_SOC_BIAS_STANDBY: |
ce6120cc | 742 | switch (codec->dapm.bias_level) { |
913d7b4c MB |
743 | case SND_SOC_BIAS_PREPARE: |
744 | /* Disable HP discharge */ | |
745 | snd_soc_update_bits(codec, WM8960_APOP2, | |
746 | WM8960_DISOP | WM8960_DRES_MASK, | |
747 | 0); | |
748 | ||
749 | /* Disable anti-pop features */ | |
750 | snd_soc_update_bits(codec, WM8960_APOP1, | |
751 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
752 | WM8960_BUFDCOPEN, | |
753 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
754 | WM8960_BUFDCOPEN); | |
755 | break; | |
756 | ||
757 | default: | |
758 | break; | |
759 | } | |
760 | break; | |
f2644a2c | 761 | |
913d7b4c | 762 | case SND_SOC_BIAS_OFF: |
f2644a2c MB |
763 | break; |
764 | } | |
765 | ||
ce6120cc | 766 | codec->dapm.bias_level = level; |
f2644a2c MB |
767 | |
768 | return 0; | |
769 | } | |
770 | ||
771 | /* PLL divisors */ | |
772 | struct _pll_div { | |
773 | u32 pre_div:1; | |
774 | u32 n:4; | |
775 | u32 k:24; | |
776 | }; | |
777 | ||
778 | /* The size in bits of the pll divide multiplied by 10 | |
779 | * to allow rounding later */ | |
780 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
781 | ||
782 | static int pll_factors(unsigned int source, unsigned int target, | |
783 | struct _pll_div *pll_div) | |
784 | { | |
785 | unsigned long long Kpart; | |
786 | unsigned int K, Ndiv, Nmod; | |
787 | ||
788 | pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target); | |
789 | ||
790 | /* Scale up target to PLL operating frequency */ | |
791 | target *= 4; | |
792 | ||
793 | Ndiv = target / source; | |
794 | if (Ndiv < 6) { | |
795 | source >>= 1; | |
796 | pll_div->pre_div = 1; | |
797 | Ndiv = target / source; | |
798 | } else | |
799 | pll_div->pre_div = 0; | |
800 | ||
801 | if ((Ndiv < 6) || (Ndiv > 12)) { | |
802 | pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv); | |
803 | return -EINVAL; | |
804 | } | |
805 | ||
806 | pll_div->n = Ndiv; | |
807 | Nmod = target % source; | |
808 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
809 | ||
810 | do_div(Kpart, source); | |
811 | ||
812 | K = Kpart & 0xFFFFFFFF; | |
813 | ||
814 | /* Check if we need to round */ | |
815 | if ((K % 10) >= 5) | |
816 | K += 5; | |
817 | ||
818 | /* Move down to proper range now rounding is done */ | |
819 | K /= 10; | |
820 | ||
821 | pll_div->k = K; | |
822 | ||
823 | pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n", | |
824 | pll_div->n, pll_div->k, pll_div->pre_div); | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
85488037 MB |
829 | static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
830 | int source, unsigned int freq_in, unsigned int freq_out) | |
f2644a2c MB |
831 | { |
832 | struct snd_soc_codec *codec = codec_dai->codec; | |
833 | u16 reg; | |
834 | static struct _pll_div pll_div; | |
835 | int ret; | |
836 | ||
837 | if (freq_in && freq_out) { | |
838 | ret = pll_factors(freq_in, freq_out, &pll_div); | |
839 | if (ret != 0) | |
840 | return ret; | |
841 | } | |
842 | ||
843 | /* Disable the PLL: even if we are changing the frequency the | |
844 | * PLL needs to be disabled while we do so. */ | |
16b24881 AL |
845 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0); |
846 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0); | |
f2644a2c MB |
847 | |
848 | if (!freq_in || !freq_out) | |
849 | return 0; | |
850 | ||
17a52fd6 | 851 | reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f; |
f2644a2c MB |
852 | reg |= pll_div.pre_div << 4; |
853 | reg |= pll_div.n; | |
854 | ||
855 | if (pll_div.k) { | |
856 | reg |= 0x20; | |
857 | ||
85fa532b MD |
858 | snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff); |
859 | snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff); | |
860 | snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff); | |
f2644a2c | 861 | } |
17a52fd6 | 862 | snd_soc_write(codec, WM8960_PLL1, reg); |
f2644a2c MB |
863 | |
864 | /* Turn it on */ | |
16b24881 | 865 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1); |
f2644a2c | 866 | msleep(250); |
16b24881 | 867 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1); |
f2644a2c MB |
868 | |
869 | return 0; | |
870 | } | |
871 | ||
872 | static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | |
873 | int div_id, int div) | |
874 | { | |
875 | struct snd_soc_codec *codec = codec_dai->codec; | |
876 | u16 reg; | |
877 | ||
878 | switch (div_id) { | |
f2644a2c | 879 | case WM8960_SYSCLKDIV: |
17a52fd6 MB |
880 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9; |
881 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
882 | break; |
883 | case WM8960_DACDIV: | |
17a52fd6 MB |
884 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7; |
885 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
886 | break; |
887 | case WM8960_OPCLKDIV: | |
17a52fd6 MB |
888 | reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f; |
889 | snd_soc_write(codec, WM8960_PLL1, reg | div); | |
f2644a2c MB |
890 | break; |
891 | case WM8960_DCLKDIV: | |
17a52fd6 MB |
892 | reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f; |
893 | snd_soc_write(codec, WM8960_CLOCK2, reg | div); | |
f2644a2c MB |
894 | break; |
895 | case WM8960_TOCLKSEL: | |
17a52fd6 MB |
896 | reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd; |
897 | snd_soc_write(codec, WM8960_ADDCTL1, reg | div); | |
f2644a2c MB |
898 | break; |
899 | default: | |
900 | return -EINVAL; | |
901 | } | |
902 | ||
903 | return 0; | |
904 | } | |
905 | ||
f0fba2ad LG |
906 | static int wm8960_set_bias_level(struct snd_soc_codec *codec, |
907 | enum snd_soc_bias_level level) | |
908 | { | |
909 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
910 | ||
911 | return wm8960->set_bias_level(codec, level); | |
912 | } | |
913 | ||
f2644a2c MB |
914 | #define WM8960_RATES SNDRV_PCM_RATE_8000_48000 |
915 | ||
916 | #define WM8960_FORMATS \ | |
917 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
918 | SNDRV_PCM_FMTBIT_S24_LE) | |
919 | ||
85e7652d | 920 | static const struct snd_soc_dai_ops wm8960_dai_ops = { |
f2644a2c MB |
921 | .hw_params = wm8960_hw_params, |
922 | .digital_mute = wm8960_mute, | |
923 | .set_fmt = wm8960_set_dai_fmt, | |
924 | .set_clkdiv = wm8960_set_dai_clkdiv, | |
925 | .set_pll = wm8960_set_dai_pll, | |
926 | }; | |
927 | ||
f0fba2ad LG |
928 | static struct snd_soc_dai_driver wm8960_dai = { |
929 | .name = "wm8960-hifi", | |
f2644a2c MB |
930 | .playback = { |
931 | .stream_name = "Playback", | |
932 | .channels_min = 1, | |
933 | .channels_max = 2, | |
934 | .rates = WM8960_RATES, | |
935 | .formats = WM8960_FORMATS,}, | |
936 | .capture = { | |
937 | .stream_name = "Capture", | |
938 | .channels_min = 1, | |
939 | .channels_max = 2, | |
940 | .rates = WM8960_RATES, | |
941 | .formats = WM8960_FORMATS,}, | |
942 | .ops = &wm8960_dai_ops, | |
943 | .symmetric_rates = 1, | |
944 | }; | |
f2644a2c | 945 | |
f0fba2ad | 946 | static int wm8960_probe(struct snd_soc_codec *codec) |
f2644a2c | 947 | { |
f0fba2ad | 948 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
e2280c90 | 949 | struct wm8960_data *pdata = &wm8960->pdata; |
f2644a2c | 950 | |
e2280c90 ZW |
951 | if (pdata->capless) |
952 | wm8960->set_bias_level = wm8960_set_bias_level_capless; | |
953 | else | |
954 | wm8960->set_bias_level = wm8960_set_bias_level_out3; | |
f2644a2c | 955 | |
022658be | 956 | snd_soc_add_codec_controls(codec, wm8960_snd_controls, |
f0fba2ad LG |
957 | ARRAY_SIZE(wm8960_snd_controls)); |
958 | wm8960_add_widgets(codec); | |
f2644a2c MB |
959 | |
960 | return 0; | |
961 | } | |
962 | ||
f0fba2ad LG |
963 | static struct snd_soc_codec_driver soc_codec_dev_wm8960 = { |
964 | .probe = wm8960_probe, | |
f0fba2ad | 965 | .set_bias_level = wm8960_set_bias_level, |
0a87a6e1 | 966 | .suspend_bias_off = true, |
0ebe36c6 MB |
967 | }; |
968 | ||
969 | static const struct regmap_config wm8960_regmap = { | |
970 | .reg_bits = 7, | |
971 | .val_bits = 9, | |
972 | .max_register = WM8960_PLL4, | |
973 | ||
974 | .reg_defaults = wm8960_reg_defaults, | |
975 | .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults), | |
976 | .cache_type = REGCACHE_RBTREE, | |
977 | ||
978 | .volatile_reg = wm8960_volatile, | |
f0fba2ad LG |
979 | }; |
980 | ||
e2280c90 ZW |
981 | static void wm8960_set_pdata_from_of(struct i2c_client *i2c, |
982 | struct wm8960_data *pdata) | |
983 | { | |
984 | const struct device_node *np = i2c->dev.of_node; | |
985 | ||
986 | if (of_property_read_bool(np, "wlf,capless")) | |
987 | pdata->capless = true; | |
988 | ||
989 | if (of_property_read_bool(np, "wlf,shared-lrclk")) | |
990 | pdata->shared_lrclk = true; | |
991 | } | |
992 | ||
7a79e94e BP |
993 | static int wm8960_i2c_probe(struct i2c_client *i2c, |
994 | const struct i2c_device_id *id) | |
f2644a2c | 995 | { |
37061631 | 996 | struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); |
f2644a2c | 997 | struct wm8960_priv *wm8960; |
f0fba2ad | 998 | int ret; |
f2644a2c | 999 | |
b9791c01 MB |
1000 | wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv), |
1001 | GFP_KERNEL); | |
f2644a2c MB |
1002 | if (wm8960 == NULL) |
1003 | return -ENOMEM; | |
1004 | ||
c5e6f5fa | 1005 | wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); |
0ebe36c6 MB |
1006 | if (IS_ERR(wm8960->regmap)) |
1007 | return PTR_ERR(wm8960->regmap); | |
1008 | ||
e2280c90 ZW |
1009 | if (pdata) |
1010 | memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data)); | |
1011 | else if (i2c->dev.of_node) | |
1012 | wm8960_set_pdata_from_of(i2c, &wm8960->pdata); | |
1013 | ||
3ad5e861 ZW |
1014 | ret = wm8960_reset(wm8960->regmap); |
1015 | if (ret != 0) { | |
1016 | dev_err(&i2c->dev, "Failed to issue reset\n"); | |
1017 | return ret; | |
1018 | } | |
1019 | ||
1020 | if (wm8960->pdata.shared_lrclk) { | |
37061631 MB |
1021 | ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, |
1022 | 0x4, 0x4); | |
1023 | if (ret != 0) { | |
1024 | dev_err(&i2c->dev, "Failed to enable LRCM: %d\n", | |
1025 | ret); | |
1026 | return ret; | |
1027 | } | |
1028 | } | |
1029 | ||
3ad5e861 ZW |
1030 | /* Latch the update bits */ |
1031 | regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100); | |
1032 | regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100); | |
1033 | regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100); | |
1034 | regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100); | |
1035 | regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100); | |
1036 | regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100); | |
1037 | regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100); | |
1038 | regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100); | |
1039 | regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100); | |
1040 | regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100); | |
1041 | ||
f2644a2c | 1042 | i2c_set_clientdata(i2c, wm8960); |
f2644a2c | 1043 | |
f0fba2ad LG |
1044 | ret = snd_soc_register_codec(&i2c->dev, |
1045 | &soc_codec_dev_wm8960, &wm8960_dai, 1); | |
b9791c01 | 1046 | |
f0fba2ad | 1047 | return ret; |
f2644a2c MB |
1048 | } |
1049 | ||
7a79e94e | 1050 | static int wm8960_i2c_remove(struct i2c_client *client) |
f2644a2c | 1051 | { |
f0fba2ad | 1052 | snd_soc_unregister_codec(&client->dev); |
f2644a2c MB |
1053 | return 0; |
1054 | } | |
1055 | ||
1056 | static const struct i2c_device_id wm8960_i2c_id[] = { | |
1057 | { "wm8960", 0 }, | |
1058 | { } | |
1059 | }; | |
1060 | MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id); | |
1061 | ||
e2280c90 ZW |
1062 | static const struct of_device_id wm8960_of_match[] = { |
1063 | { .compatible = "wlf,wm8960", }, | |
1064 | { } | |
1065 | }; | |
1066 | MODULE_DEVICE_TABLE(of, wm8960_of_match); | |
1067 | ||
f2644a2c MB |
1068 | static struct i2c_driver wm8960_i2c_driver = { |
1069 | .driver = { | |
091edccf | 1070 | .name = "wm8960", |
f2644a2c | 1071 | .owner = THIS_MODULE, |
e2280c90 | 1072 | .of_match_table = wm8960_of_match, |
f2644a2c MB |
1073 | }, |
1074 | .probe = wm8960_i2c_probe, | |
7a79e94e | 1075 | .remove = wm8960_i2c_remove, |
f2644a2c MB |
1076 | .id_table = wm8960_i2c_id, |
1077 | }; | |
1078 | ||
3c010e60 | 1079 | module_i2c_driver(wm8960_i2c_driver); |
f2644a2c | 1080 | |
f2644a2c MB |
1081 | MODULE_DESCRIPTION("ASoC WM8960 driver"); |
1082 | MODULE_AUTHOR("Liam Girdwood"); | |
1083 | MODULE_LICENSE("GPL"); |