Commit | Line | Data |
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f2644a2c MB |
1 | /* |
2 | * wm8960.c -- WM8960 ALSA SoC Audio driver | |
3 | * | |
4 | * Author: Liam Girdwood | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/moduleparam.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/delay.h> | |
15 | #include <linux/pm.h> | |
16 | #include <linux/i2c.h> | |
17 | #include <linux/platform_device.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
f2644a2c MB |
19 | #include <sound/core.h> |
20 | #include <sound/pcm.h> | |
21 | #include <sound/pcm_params.h> | |
22 | #include <sound/soc.h> | |
23 | #include <sound/soc-dapm.h> | |
24 | #include <sound/initval.h> | |
25 | #include <sound/tlv.h> | |
b6877a47 | 26 | #include <sound/wm8960.h> |
f2644a2c MB |
27 | |
28 | #include "wm8960.h" | |
29 | ||
30 | #define AUDIO_NAME "wm8960" | |
31 | ||
32 | struct snd_soc_codec_device soc_codec_dev_wm8960; | |
33 | ||
34 | /* R25 - Power 1 */ | |
913d7b4c | 35 | #define WM8960_VMID_MASK 0x180 |
f2644a2c MB |
36 | #define WM8960_VREF 0x40 |
37 | ||
913d7b4c MB |
38 | /* R26 - Power 2 */ |
39 | #define WM8960_PWR2_LOUT1 0x40 | |
40 | #define WM8960_PWR2_ROUT1 0x20 | |
41 | #define WM8960_PWR2_OUT3 0x02 | |
42 | ||
f2644a2c MB |
43 | /* R28 - Anti-pop 1 */ |
44 | #define WM8960_POBCTRL 0x80 | |
45 | #define WM8960_BUFDCOPEN 0x10 | |
46 | #define WM8960_BUFIOEN 0x08 | |
47 | #define WM8960_SOFT_ST 0x04 | |
48 | #define WM8960_HPSTBY 0x01 | |
49 | ||
50 | /* R29 - Anti-pop 2 */ | |
51 | #define WM8960_DISOP 0x40 | |
913d7b4c | 52 | #define WM8960_DRES_MASK 0x30 |
f2644a2c MB |
53 | |
54 | /* | |
55 | * wm8960 register cache | |
56 | * We can't read the WM8960 register space when we are | |
57 | * using 2 wire for device control, so we cache them instead. | |
58 | */ | |
59 | static const u16 wm8960_reg[WM8960_CACHEREGNUM] = { | |
60 | 0x0097, 0x0097, 0x0000, 0x0000, | |
61 | 0x0000, 0x0008, 0x0000, 0x000a, | |
62 | 0x01c0, 0x0000, 0x00ff, 0x00ff, | |
63 | 0x0000, 0x0000, 0x0000, 0x0000, | |
64 | 0x0000, 0x007b, 0x0100, 0x0032, | |
65 | 0x0000, 0x00c3, 0x00c3, 0x01c0, | |
66 | 0x0000, 0x0000, 0x0000, 0x0000, | |
67 | 0x0000, 0x0000, 0x0000, 0x0000, | |
68 | 0x0100, 0x0100, 0x0050, 0x0050, | |
69 | 0x0050, 0x0050, 0x0000, 0x0000, | |
70 | 0x0000, 0x0000, 0x0040, 0x0000, | |
71 | 0x0000, 0x0050, 0x0050, 0x0000, | |
72 | 0x0002, 0x0037, 0x004d, 0x0080, | |
73 | 0x0008, 0x0031, 0x0026, 0x00e9, | |
74 | }; | |
75 | ||
76 | struct wm8960_priv { | |
77 | u16 reg_cache[WM8960_CACHEREGNUM]; | |
78 | struct snd_soc_codec codec; | |
913d7b4c MB |
79 | struct snd_soc_dapm_widget *lout1; |
80 | struct snd_soc_dapm_widget *rout1; | |
81 | struct snd_soc_dapm_widget *out3; | |
afd6d36a MB |
82 | bool deemph; |
83 | int playback_fs; | |
f2644a2c MB |
84 | }; |
85 | ||
17a52fd6 | 86 | #define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0) |
f2644a2c MB |
87 | |
88 | /* enumerated controls */ | |
f2644a2c MB |
89 | static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted", |
90 | "Right Inverted", "Stereo Inversion"}; | |
91 | static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"}; | |
92 | static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"}; | |
93 | static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"}; | |
94 | static const char *wm8960_alcmode[] = {"ALC", "Limiter"}; | |
95 | ||
96 | static const struct soc_enum wm8960_enum[] = { | |
f2644a2c MB |
97 | SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity), |
98 | SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity), | |
99 | SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff), | |
100 | SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff), | |
101 | SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc), | |
102 | SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode), | |
103 | }; | |
104 | ||
afd6d36a MB |
105 | static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; |
106 | ||
107 | static int wm8960_set_deemph(struct snd_soc_codec *codec) | |
108 | { | |
109 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
110 | int val, i, best; | |
111 | ||
112 | /* If we're using deemphasis select the nearest available sample | |
113 | * rate. | |
114 | */ | |
115 | if (wm8960->deemph) { | |
116 | best = 1; | |
117 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { | |
118 | if (abs(deemph_settings[i] - wm8960->playback_fs) < | |
119 | abs(deemph_settings[best] - wm8960->playback_fs)) | |
120 | best = i; | |
121 | } | |
122 | ||
123 | val = best << 1; | |
124 | } else { | |
125 | val = 0; | |
126 | } | |
127 | ||
128 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); | |
129 | ||
130 | return snd_soc_update_bits(codec, WM8960_DACCTL1, | |
131 | 0x6, val); | |
132 | } | |
133 | ||
134 | static int wm8960_get_deemph(struct snd_kcontrol *kcontrol, | |
135 | struct snd_ctl_elem_value *ucontrol) | |
136 | { | |
137 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
138 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
139 | ||
140 | return wm8960->deemph; | |
141 | } | |
142 | ||
143 | static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, | |
144 | struct snd_ctl_elem_value *ucontrol) | |
145 | { | |
146 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
147 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); | |
148 | int deemph = ucontrol->value.enumerated.item[0]; | |
149 | ||
150 | if (deemph > 1) | |
151 | return -EINVAL; | |
152 | ||
153 | wm8960->deemph = deemph; | |
154 | ||
155 | return wm8960_set_deemph(codec); | |
156 | } | |
157 | ||
f2644a2c MB |
158 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0); |
159 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); | |
160 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0); | |
161 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
162 | ||
163 | static const struct snd_kcontrol_new wm8960_snd_controls[] = { | |
164 | SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, | |
165 | 0, 63, 0, adc_tlv), | |
166 | SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, | |
167 | 6, 1, 0), | |
168 | SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, | |
169 | 7, 1, 0), | |
170 | ||
171 | SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC, | |
172 | 0, 255, 0, dac_tlv), | |
173 | ||
174 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1, | |
175 | 0, 127, 0, out_tlv), | |
176 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1, | |
177 | 7, 1, 0), | |
178 | ||
179 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2, | |
180 | 0, 127, 0, out_tlv), | |
181 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2, | |
182 | 7, 1, 0), | |
183 | SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0), | |
184 | SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0), | |
185 | ||
186 | SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), | |
4faaa8d9 | 187 | SOC_ENUM("ADC Polarity", wm8960_enum[0]), |
f2644a2c MB |
188 | SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), |
189 | ||
190 | SOC_ENUM("DAC Polarity", wm8960_enum[2]), | |
afd6d36a MB |
191 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
192 | wm8960_get_deemph, wm8960_put_deemph), | |
f2644a2c | 193 | |
4faaa8d9 MB |
194 | SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]), |
195 | SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]), | |
f2644a2c MB |
196 | SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0), |
197 | SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0), | |
198 | ||
4faaa8d9 | 199 | SOC_ENUM("ALC Function", wm8960_enum[4]), |
f2644a2c MB |
200 | SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0), |
201 | SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1), | |
202 | SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0), | |
203 | SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0), | |
4faaa8d9 | 204 | SOC_ENUM("ALC Mode", wm8960_enum[5]), |
f2644a2c MB |
205 | SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0), |
206 | SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0), | |
207 | ||
208 | SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0), | |
209 | SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0), | |
210 | ||
211 | SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH, | |
212 | 0, 127, 0), | |
213 | ||
214 | SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume", | |
215 | WM8960_BYPASS1, 4, 7, 1, bypass_tlv), | |
216 | SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume", | |
217 | WM8960_LOUTMIX, 4, 7, 1, bypass_tlv), | |
218 | SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume", | |
219 | WM8960_BYPASS2, 4, 7, 1, bypass_tlv), | |
220 | SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume", | |
221 | WM8960_ROUTMIX, 4, 7, 1, bypass_tlv), | |
222 | }; | |
223 | ||
224 | static const struct snd_kcontrol_new wm8960_lin_boost[] = { | |
225 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0), | |
226 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0), | |
227 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0), | |
228 | }; | |
229 | ||
230 | static const struct snd_kcontrol_new wm8960_lin[] = { | |
231 | SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0), | |
232 | }; | |
233 | ||
234 | static const struct snd_kcontrol_new wm8960_rin_boost[] = { | |
235 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0), | |
236 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0), | |
237 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0), | |
238 | }; | |
239 | ||
240 | static const struct snd_kcontrol_new wm8960_rin[] = { | |
241 | SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0), | |
242 | }; | |
243 | ||
244 | static const struct snd_kcontrol_new wm8960_loutput_mixer[] = { | |
245 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0), | |
246 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0), | |
247 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0), | |
248 | }; | |
249 | ||
250 | static const struct snd_kcontrol_new wm8960_routput_mixer[] = { | |
251 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0), | |
252 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0), | |
253 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0), | |
254 | }; | |
255 | ||
256 | static const struct snd_kcontrol_new wm8960_mono_out[] = { | |
257 | SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0), | |
258 | SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0), | |
259 | }; | |
260 | ||
261 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = { | |
262 | SND_SOC_DAPM_INPUT("LINPUT1"), | |
263 | SND_SOC_DAPM_INPUT("RINPUT1"), | |
264 | SND_SOC_DAPM_INPUT("LINPUT2"), | |
265 | SND_SOC_DAPM_INPUT("RINPUT2"), | |
266 | SND_SOC_DAPM_INPUT("LINPUT3"), | |
267 | SND_SOC_DAPM_INPUT("RINPUT3"), | |
268 | ||
269 | SND_SOC_DAPM_MICBIAS("MICB", WM8960_POWER1, 1, 0), | |
270 | ||
271 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0, | |
272 | wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)), | |
273 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0, | |
274 | wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)), | |
275 | ||
276 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0, | |
277 | wm8960_lin, ARRAY_SIZE(wm8960_lin)), | |
278 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0, | |
279 | wm8960_rin, ARRAY_SIZE(wm8960_rin)), | |
280 | ||
281 | SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0), | |
282 | SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0), | |
283 | ||
284 | SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0), | |
285 | SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0), | |
286 | ||
287 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0, | |
288 | &wm8960_loutput_mixer[0], | |
289 | ARRAY_SIZE(wm8960_loutput_mixer)), | |
290 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0, | |
291 | &wm8960_routput_mixer[0], | |
292 | ARRAY_SIZE(wm8960_routput_mixer)), | |
293 | ||
f2644a2c MB |
294 | SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0), |
295 | SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0), | |
296 | ||
297 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0), | |
298 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0), | |
299 | ||
300 | SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0), | |
301 | SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0), | |
302 | ||
303 | SND_SOC_DAPM_OUTPUT("SPK_LP"), | |
304 | SND_SOC_DAPM_OUTPUT("SPK_LN"), | |
305 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
306 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
307 | SND_SOC_DAPM_OUTPUT("SPK_RP"), | |
308 | SND_SOC_DAPM_OUTPUT("SPK_RN"), | |
309 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
310 | }; | |
311 | ||
913d7b4c MB |
312 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = { |
313 | SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0, | |
314 | &wm8960_mono_out[0], | |
315 | ARRAY_SIZE(wm8960_mono_out)), | |
316 | }; | |
317 | ||
318 | /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */ | |
319 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = { | |
320 | SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0), | |
321 | }; | |
322 | ||
f2644a2c MB |
323 | static const struct snd_soc_dapm_route audio_paths[] = { |
324 | { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" }, | |
325 | { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" }, | |
326 | { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
327 | ||
328 | { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", }, | |
329 | { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */ | |
330 | { "Left Input Mixer", NULL, "LINPUT2" }, | |
331 | { "Left Input Mixer", NULL, "LINPUT3" }, | |
332 | ||
333 | { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" }, | |
334 | { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" }, | |
335 | { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
336 | ||
337 | { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", }, | |
338 | { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */ | |
339 | { "Right Input Mixer", NULL, "RINPUT2" }, | |
340 | { "Right Input Mixer", NULL, "LINPUT3" }, | |
341 | ||
342 | { "Left ADC", NULL, "Left Input Mixer" }, | |
343 | { "Right ADC", NULL, "Right Input Mixer" }, | |
344 | ||
345 | { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" }, | |
346 | { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} , | |
347 | { "Left Output Mixer", "PCM Playback Switch", "Left DAC" }, | |
348 | ||
349 | { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" }, | |
350 | { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } , | |
351 | { "Right Output Mixer", "PCM Playback Switch", "Right DAC" }, | |
352 | ||
f2644a2c MB |
353 | { "LOUT1 PGA", NULL, "Left Output Mixer" }, |
354 | { "ROUT1 PGA", NULL, "Right Output Mixer" }, | |
355 | ||
356 | { "HP_L", NULL, "LOUT1 PGA" }, | |
357 | { "HP_R", NULL, "ROUT1 PGA" }, | |
358 | ||
359 | { "Left Speaker PGA", NULL, "Left Output Mixer" }, | |
360 | { "Right Speaker PGA", NULL, "Right Output Mixer" }, | |
361 | ||
362 | { "Left Speaker Output", NULL, "Left Speaker PGA" }, | |
363 | { "Right Speaker Output", NULL, "Right Speaker PGA" }, | |
364 | ||
365 | { "SPK_LN", NULL, "Left Speaker Output" }, | |
366 | { "SPK_LP", NULL, "Left Speaker Output" }, | |
367 | { "SPK_RN", NULL, "Right Speaker Output" }, | |
368 | { "SPK_RP", NULL, "Right Speaker Output" }, | |
913d7b4c MB |
369 | }; |
370 | ||
371 | static const struct snd_soc_dapm_route audio_paths_out3[] = { | |
372 | { "Mono Output Mixer", "Left Switch", "Left Output Mixer" }, | |
373 | { "Mono Output Mixer", "Right Switch", "Right Output Mixer" }, | |
f2644a2c MB |
374 | |
375 | { "OUT3", NULL, "Mono Output Mixer", } | |
376 | }; | |
377 | ||
913d7b4c MB |
378 | static const struct snd_soc_dapm_route audio_paths_capless[] = { |
379 | { "HP_L", NULL, "OUT3 VMID" }, | |
380 | { "HP_R", NULL, "OUT3 VMID" }, | |
381 | ||
382 | { "OUT3 VMID", NULL, "Left Output Mixer" }, | |
383 | { "OUT3 VMID", NULL, "Right Output Mixer" }, | |
384 | }; | |
385 | ||
f2644a2c MB |
386 | static int wm8960_add_widgets(struct snd_soc_codec *codec) |
387 | { | |
913d7b4c | 388 | struct wm8960_data *pdata = codec->dev->platform_data; |
b2c812e2 | 389 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
913d7b4c MB |
390 | struct snd_soc_dapm_widget *w; |
391 | ||
f2644a2c MB |
392 | snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets, |
393 | ARRAY_SIZE(wm8960_dapm_widgets)); | |
394 | ||
395 | snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths)); | |
396 | ||
913d7b4c MB |
397 | /* In capless mode OUT3 is used to provide VMID for the |
398 | * headphone outputs, otherwise it is used as a mono mixer. | |
399 | */ | |
400 | if (pdata && pdata->capless) { | |
401 | snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_capless, | |
402 | ARRAY_SIZE(wm8960_dapm_widgets_capless)); | |
403 | ||
404 | snd_soc_dapm_add_routes(codec, audio_paths_capless, | |
405 | ARRAY_SIZE(audio_paths_capless)); | |
406 | } else { | |
407 | snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_out3, | |
408 | ARRAY_SIZE(wm8960_dapm_widgets_out3)); | |
409 | ||
410 | snd_soc_dapm_add_routes(codec, audio_paths_out3, | |
411 | ARRAY_SIZE(audio_paths_out3)); | |
412 | } | |
413 | ||
414 | /* We need to power up the headphone output stage out of | |
415 | * sequence for capless mode. To save scanning the widget | |
416 | * list each time to find the desired power state do so now | |
417 | * and save the result. | |
418 | */ | |
419 | list_for_each_entry(w, &codec->dapm_widgets, list) { | |
420 | if (strcmp(w->name, "LOUT1 PGA") == 0) | |
421 | wm8960->lout1 = w; | |
422 | if (strcmp(w->name, "ROUT1 PGA") == 0) | |
423 | wm8960->rout1 = w; | |
424 | if (strcmp(w->name, "OUT3 VMID") == 0) | |
425 | wm8960->out3 = w; | |
426 | } | |
427 | ||
f2644a2c MB |
428 | return 0; |
429 | } | |
430 | ||
431 | static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
432 | unsigned int fmt) | |
433 | { | |
434 | struct snd_soc_codec *codec = codec_dai->codec; | |
435 | u16 iface = 0; | |
436 | ||
437 | /* set master/slave audio interface */ | |
438 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
439 | case SND_SOC_DAIFMT_CBM_CFM: | |
440 | iface |= 0x0040; | |
441 | break; | |
442 | case SND_SOC_DAIFMT_CBS_CFS: | |
443 | break; | |
444 | default: | |
445 | return -EINVAL; | |
446 | } | |
447 | ||
448 | /* interface format */ | |
449 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
450 | case SND_SOC_DAIFMT_I2S: | |
451 | iface |= 0x0002; | |
452 | break; | |
453 | case SND_SOC_DAIFMT_RIGHT_J: | |
454 | break; | |
455 | case SND_SOC_DAIFMT_LEFT_J: | |
456 | iface |= 0x0001; | |
457 | break; | |
458 | case SND_SOC_DAIFMT_DSP_A: | |
459 | iface |= 0x0003; | |
460 | break; | |
461 | case SND_SOC_DAIFMT_DSP_B: | |
462 | iface |= 0x0013; | |
463 | break; | |
464 | default: | |
465 | return -EINVAL; | |
466 | } | |
467 | ||
468 | /* clock inversion */ | |
469 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
470 | case SND_SOC_DAIFMT_NB_NF: | |
471 | break; | |
472 | case SND_SOC_DAIFMT_IB_IF: | |
473 | iface |= 0x0090; | |
474 | break; | |
475 | case SND_SOC_DAIFMT_IB_NF: | |
476 | iface |= 0x0080; | |
477 | break; | |
478 | case SND_SOC_DAIFMT_NB_IF: | |
479 | iface |= 0x0010; | |
480 | break; | |
481 | default: | |
482 | return -EINVAL; | |
483 | } | |
484 | ||
485 | /* set iface */ | |
17a52fd6 | 486 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
487 | return 0; |
488 | } | |
489 | ||
490 | static int wm8960_hw_params(struct snd_pcm_substream *substream, | |
491 | struct snd_pcm_hw_params *params, | |
492 | struct snd_soc_dai *dai) | |
493 | { | |
494 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
495 | struct snd_soc_device *socdev = rtd->socdev; | |
496 | struct snd_soc_codec *codec = socdev->card->codec; | |
afd6d36a | 497 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
17a52fd6 | 498 | u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3; |
f2644a2c MB |
499 | |
500 | /* bit size */ | |
501 | switch (params_format(params)) { | |
502 | case SNDRV_PCM_FORMAT_S16_LE: | |
503 | break; | |
504 | case SNDRV_PCM_FORMAT_S20_3LE: | |
505 | iface |= 0x0004; | |
506 | break; | |
507 | case SNDRV_PCM_FORMAT_S24_LE: | |
508 | iface |= 0x0008; | |
509 | break; | |
510 | } | |
511 | ||
afd6d36a MB |
512 | /* Update filters for the new rate */ |
513 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | |
514 | wm8960->playback_fs = params_rate(params); | |
515 | wm8960_set_deemph(codec); | |
516 | } | |
517 | ||
f2644a2c | 518 | /* set iface */ |
17a52fd6 | 519 | snd_soc_write(codec, WM8960_IFACE1, iface); |
f2644a2c MB |
520 | return 0; |
521 | } | |
522 | ||
523 | static int wm8960_mute(struct snd_soc_dai *dai, int mute) | |
524 | { | |
525 | struct snd_soc_codec *codec = dai->codec; | |
17a52fd6 | 526 | u16 mute_reg = snd_soc_read(codec, WM8960_DACCTL1) & 0xfff7; |
f2644a2c MB |
527 | |
528 | if (mute) | |
17a52fd6 | 529 | snd_soc_write(codec, WM8960_DACCTL1, mute_reg | 0x8); |
f2644a2c | 530 | else |
17a52fd6 | 531 | snd_soc_write(codec, WM8960_DACCTL1, mute_reg); |
f2644a2c MB |
532 | return 0; |
533 | } | |
534 | ||
913d7b4c MB |
535 | static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, |
536 | enum snd_soc_bias_level level) | |
f2644a2c | 537 | { |
f2644a2c MB |
538 | u16 reg; |
539 | ||
540 | switch (level) { | |
541 | case SND_SOC_BIAS_ON: | |
542 | break; | |
543 | ||
544 | case SND_SOC_BIAS_PREPARE: | |
545 | /* Set VMID to 2x50k */ | |
17a52fd6 | 546 | reg = snd_soc_read(codec, WM8960_POWER1); |
f2644a2c MB |
547 | reg &= ~0x180; |
548 | reg |= 0x80; | |
17a52fd6 | 549 | snd_soc_write(codec, WM8960_POWER1, reg); |
f2644a2c MB |
550 | break; |
551 | ||
552 | case SND_SOC_BIAS_STANDBY: | |
553 | if (codec->bias_level == SND_SOC_BIAS_OFF) { | |
554 | /* Enable anti-pop features */ | |
17a52fd6 | 555 | snd_soc_write(codec, WM8960_APOP1, |
913d7b4c MB |
556 | WM8960_POBCTRL | WM8960_SOFT_ST | |
557 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
f2644a2c MB |
558 | |
559 | /* Enable & ramp VMID at 2x50k */ | |
17a52fd6 | 560 | reg = snd_soc_read(codec, WM8960_POWER1); |
f2644a2c | 561 | reg |= 0x80; |
17a52fd6 | 562 | snd_soc_write(codec, WM8960_POWER1, reg); |
f2644a2c MB |
563 | msleep(100); |
564 | ||
565 | /* Enable VREF */ | |
17a52fd6 | 566 | snd_soc_write(codec, WM8960_POWER1, reg | WM8960_VREF); |
f2644a2c MB |
567 | |
568 | /* Disable anti-pop features */ | |
17a52fd6 | 569 | snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN); |
f2644a2c MB |
570 | } |
571 | ||
572 | /* Set VMID to 2x250k */ | |
17a52fd6 | 573 | reg = snd_soc_read(codec, WM8960_POWER1); |
f2644a2c MB |
574 | reg &= ~0x180; |
575 | reg |= 0x100; | |
17a52fd6 | 576 | snd_soc_write(codec, WM8960_POWER1, reg); |
f2644a2c MB |
577 | break; |
578 | ||
579 | case SND_SOC_BIAS_OFF: | |
580 | /* Enable anti-pop features */ | |
17a52fd6 | 581 | snd_soc_write(codec, WM8960_APOP1, |
f2644a2c MB |
582 | WM8960_POBCTRL | WM8960_SOFT_ST | |
583 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); | |
584 | ||
585 | /* Disable VMID and VREF, let them discharge */ | |
17a52fd6 | 586 | snd_soc_write(codec, WM8960_POWER1, 0); |
f2644a2c | 587 | msleep(600); |
913d7b4c MB |
588 | break; |
589 | } | |
590 | ||
591 | codec->bias_level = level; | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, | |
597 | enum snd_soc_bias_level level) | |
598 | { | |
b2c812e2 | 599 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
913d7b4c MB |
600 | int reg; |
601 | ||
602 | switch (level) { | |
603 | case SND_SOC_BIAS_ON: | |
604 | break; | |
605 | ||
606 | case SND_SOC_BIAS_PREPARE: | |
607 | switch (codec->bias_level) { | |
608 | case SND_SOC_BIAS_STANDBY: | |
609 | /* Enable anti pop mode */ | |
610 | snd_soc_update_bits(codec, WM8960_APOP1, | |
611 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
612 | WM8960_BUFDCOPEN, | |
613 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
614 | WM8960_BUFDCOPEN); | |
615 | ||
616 | /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */ | |
617 | reg = 0; | |
618 | if (wm8960->lout1 && wm8960->lout1->power) | |
619 | reg |= WM8960_PWR2_LOUT1; | |
620 | if (wm8960->rout1 && wm8960->rout1->power) | |
621 | reg |= WM8960_PWR2_ROUT1; | |
622 | if (wm8960->out3 && wm8960->out3->power) | |
623 | reg |= WM8960_PWR2_OUT3; | |
624 | snd_soc_update_bits(codec, WM8960_POWER2, | |
625 | WM8960_PWR2_LOUT1 | | |
626 | WM8960_PWR2_ROUT1 | | |
627 | WM8960_PWR2_OUT3, reg); | |
628 | ||
629 | /* Enable VMID at 2*50k */ | |
630 | snd_soc_update_bits(codec, WM8960_POWER1, | |
631 | WM8960_VMID_MASK, 0x80); | |
632 | ||
633 | /* Ramp */ | |
634 | msleep(100); | |
635 | ||
636 | /* Enable VREF */ | |
637 | snd_soc_update_bits(codec, WM8960_POWER1, | |
638 | WM8960_VREF, WM8960_VREF); | |
639 | ||
640 | msleep(100); | |
641 | break; | |
642 | ||
643 | case SND_SOC_BIAS_ON: | |
644 | /* Enable anti-pop mode */ | |
645 | snd_soc_update_bits(codec, WM8960_APOP1, | |
646 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
647 | WM8960_BUFDCOPEN, | |
648 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
649 | WM8960_BUFDCOPEN); | |
650 | ||
651 | /* Disable VMID and VREF */ | |
652 | snd_soc_update_bits(codec, WM8960_POWER1, | |
653 | WM8960_VREF | WM8960_VMID_MASK, 0); | |
654 | break; | |
655 | ||
656 | default: | |
657 | break; | |
658 | } | |
659 | break; | |
f2644a2c | 660 | |
913d7b4c MB |
661 | case SND_SOC_BIAS_STANDBY: |
662 | switch (codec->bias_level) { | |
663 | case SND_SOC_BIAS_PREPARE: | |
664 | /* Disable HP discharge */ | |
665 | snd_soc_update_bits(codec, WM8960_APOP2, | |
666 | WM8960_DISOP | WM8960_DRES_MASK, | |
667 | 0); | |
668 | ||
669 | /* Disable anti-pop features */ | |
670 | snd_soc_update_bits(codec, WM8960_APOP1, | |
671 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
672 | WM8960_BUFDCOPEN, | |
673 | WM8960_POBCTRL | WM8960_SOFT_ST | | |
674 | WM8960_BUFDCOPEN); | |
675 | break; | |
676 | ||
677 | default: | |
678 | break; | |
679 | } | |
680 | break; | |
f2644a2c | 681 | |
913d7b4c | 682 | case SND_SOC_BIAS_OFF: |
f2644a2c MB |
683 | break; |
684 | } | |
685 | ||
686 | codec->bias_level = level; | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
691 | /* PLL divisors */ | |
692 | struct _pll_div { | |
693 | u32 pre_div:1; | |
694 | u32 n:4; | |
695 | u32 k:24; | |
696 | }; | |
697 | ||
698 | /* The size in bits of the pll divide multiplied by 10 | |
699 | * to allow rounding later */ | |
700 | #define FIXED_PLL_SIZE ((1 << 24) * 10) | |
701 | ||
702 | static int pll_factors(unsigned int source, unsigned int target, | |
703 | struct _pll_div *pll_div) | |
704 | { | |
705 | unsigned long long Kpart; | |
706 | unsigned int K, Ndiv, Nmod; | |
707 | ||
708 | pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target); | |
709 | ||
710 | /* Scale up target to PLL operating frequency */ | |
711 | target *= 4; | |
712 | ||
713 | Ndiv = target / source; | |
714 | if (Ndiv < 6) { | |
715 | source >>= 1; | |
716 | pll_div->pre_div = 1; | |
717 | Ndiv = target / source; | |
718 | } else | |
719 | pll_div->pre_div = 0; | |
720 | ||
721 | if ((Ndiv < 6) || (Ndiv > 12)) { | |
722 | pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv); | |
723 | return -EINVAL; | |
724 | } | |
725 | ||
726 | pll_div->n = Ndiv; | |
727 | Nmod = target % source; | |
728 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
729 | ||
730 | do_div(Kpart, source); | |
731 | ||
732 | K = Kpart & 0xFFFFFFFF; | |
733 | ||
734 | /* Check if we need to round */ | |
735 | if ((K % 10) >= 5) | |
736 | K += 5; | |
737 | ||
738 | /* Move down to proper range now rounding is done */ | |
739 | K /= 10; | |
740 | ||
741 | pll_div->k = K; | |
742 | ||
743 | pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n", | |
744 | pll_div->n, pll_div->k, pll_div->pre_div); | |
745 | ||
746 | return 0; | |
747 | } | |
748 | ||
85488037 MB |
749 | static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
750 | int source, unsigned int freq_in, unsigned int freq_out) | |
f2644a2c MB |
751 | { |
752 | struct snd_soc_codec *codec = codec_dai->codec; | |
753 | u16 reg; | |
754 | static struct _pll_div pll_div; | |
755 | int ret; | |
756 | ||
757 | if (freq_in && freq_out) { | |
758 | ret = pll_factors(freq_in, freq_out, &pll_div); | |
759 | if (ret != 0) | |
760 | return ret; | |
761 | } | |
762 | ||
763 | /* Disable the PLL: even if we are changing the frequency the | |
764 | * PLL needs to be disabled while we do so. */ | |
17a52fd6 MB |
765 | snd_soc_write(codec, WM8960_CLOCK1, |
766 | snd_soc_read(codec, WM8960_CLOCK1) & ~1); | |
767 | snd_soc_write(codec, WM8960_POWER2, | |
768 | snd_soc_read(codec, WM8960_POWER2) & ~1); | |
f2644a2c MB |
769 | |
770 | if (!freq_in || !freq_out) | |
771 | return 0; | |
772 | ||
17a52fd6 | 773 | reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f; |
f2644a2c MB |
774 | reg |= pll_div.pre_div << 4; |
775 | reg |= pll_div.n; | |
776 | ||
777 | if (pll_div.k) { | |
778 | reg |= 0x20; | |
779 | ||
17a52fd6 MB |
780 | snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f); |
781 | snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff); | |
782 | snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff); | |
f2644a2c | 783 | } |
17a52fd6 | 784 | snd_soc_write(codec, WM8960_PLL1, reg); |
f2644a2c MB |
785 | |
786 | /* Turn it on */ | |
17a52fd6 MB |
787 | snd_soc_write(codec, WM8960_POWER2, |
788 | snd_soc_read(codec, WM8960_POWER2) | 1); | |
f2644a2c | 789 | msleep(250); |
17a52fd6 MB |
790 | snd_soc_write(codec, WM8960_CLOCK1, |
791 | snd_soc_read(codec, WM8960_CLOCK1) | 1); | |
f2644a2c MB |
792 | |
793 | return 0; | |
794 | } | |
795 | ||
796 | static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | |
797 | int div_id, int div) | |
798 | { | |
799 | struct snd_soc_codec *codec = codec_dai->codec; | |
800 | u16 reg; | |
801 | ||
802 | switch (div_id) { | |
f2644a2c | 803 | case WM8960_SYSCLKDIV: |
17a52fd6 MB |
804 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9; |
805 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
806 | break; |
807 | case WM8960_DACDIV: | |
17a52fd6 MB |
808 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7; |
809 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); | |
f2644a2c MB |
810 | break; |
811 | case WM8960_OPCLKDIV: | |
17a52fd6 MB |
812 | reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f; |
813 | snd_soc_write(codec, WM8960_PLL1, reg | div); | |
f2644a2c MB |
814 | break; |
815 | case WM8960_DCLKDIV: | |
17a52fd6 MB |
816 | reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f; |
817 | snd_soc_write(codec, WM8960_CLOCK2, reg | div); | |
f2644a2c MB |
818 | break; |
819 | case WM8960_TOCLKSEL: | |
17a52fd6 MB |
820 | reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd; |
821 | snd_soc_write(codec, WM8960_ADDCTL1, reg | div); | |
f2644a2c MB |
822 | break; |
823 | default: | |
824 | return -EINVAL; | |
825 | } | |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | #define WM8960_RATES SNDRV_PCM_RATE_8000_48000 | |
831 | ||
832 | #define WM8960_FORMATS \ | |
833 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
834 | SNDRV_PCM_FMTBIT_S24_LE) | |
835 | ||
836 | static struct snd_soc_dai_ops wm8960_dai_ops = { | |
837 | .hw_params = wm8960_hw_params, | |
838 | .digital_mute = wm8960_mute, | |
839 | .set_fmt = wm8960_set_dai_fmt, | |
840 | .set_clkdiv = wm8960_set_dai_clkdiv, | |
841 | .set_pll = wm8960_set_dai_pll, | |
842 | }; | |
843 | ||
844 | struct snd_soc_dai wm8960_dai = { | |
845 | .name = "WM8960", | |
846 | .playback = { | |
847 | .stream_name = "Playback", | |
848 | .channels_min = 1, | |
849 | .channels_max = 2, | |
850 | .rates = WM8960_RATES, | |
851 | .formats = WM8960_FORMATS,}, | |
852 | .capture = { | |
853 | .stream_name = "Capture", | |
854 | .channels_min = 1, | |
855 | .channels_max = 2, | |
856 | .rates = WM8960_RATES, | |
857 | .formats = WM8960_FORMATS,}, | |
858 | .ops = &wm8960_dai_ops, | |
859 | .symmetric_rates = 1, | |
860 | }; | |
861 | EXPORT_SYMBOL_GPL(wm8960_dai); | |
862 | ||
863 | static int wm8960_suspend(struct platform_device *pdev, pm_message_t state) | |
864 | { | |
865 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
866 | struct snd_soc_codec *codec = socdev->card->codec; | |
867 | ||
913d7b4c | 868 | codec->set_bias_level(codec, SND_SOC_BIAS_OFF); |
f2644a2c MB |
869 | return 0; |
870 | } | |
871 | ||
872 | static int wm8960_resume(struct platform_device *pdev) | |
873 | { | |
874 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
875 | struct snd_soc_codec *codec = socdev->card->codec; | |
876 | int i; | |
877 | u8 data[2]; | |
878 | u16 *cache = codec->reg_cache; | |
879 | ||
880 | /* Sync reg_cache with the hardware */ | |
881 | for (i = 0; i < ARRAY_SIZE(wm8960_reg); i++) { | |
882 | data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); | |
883 | data[1] = cache[i] & 0x00ff; | |
884 | codec->hw_write(codec->control_data, data, 2); | |
885 | } | |
886 | ||
913d7b4c | 887 | codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
29e189c2 | 888 | |
f2644a2c MB |
889 | return 0; |
890 | } | |
891 | ||
892 | static struct snd_soc_codec *wm8960_codec; | |
893 | ||
894 | static int wm8960_probe(struct platform_device *pdev) | |
895 | { | |
896 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
897 | struct snd_soc_codec *codec; | |
898 | int ret = 0; | |
899 | ||
900 | if (wm8960_codec == NULL) { | |
901 | dev_err(&pdev->dev, "Codec device not registered\n"); | |
902 | return -ENODEV; | |
903 | } | |
904 | ||
905 | socdev->card->codec = wm8960_codec; | |
906 | codec = wm8960_codec; | |
907 | ||
908 | /* register pcms */ | |
909 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
910 | if (ret < 0) { | |
911 | dev_err(codec->dev, "failed to create pcms: %d\n", ret); | |
912 | goto pcm_err; | |
913 | } | |
914 | ||
915 | snd_soc_add_controls(codec, wm8960_snd_controls, | |
916 | ARRAY_SIZE(wm8960_snd_controls)); | |
917 | wm8960_add_widgets(codec); | |
f2644a2c MB |
918 | |
919 | return ret; | |
920 | ||
f2644a2c MB |
921 | pcm_err: |
922 | return ret; | |
923 | } | |
924 | ||
925 | /* power down chip */ | |
926 | static int wm8960_remove(struct platform_device *pdev) | |
927 | { | |
928 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
929 | ||
930 | snd_soc_free_pcms(socdev); | |
931 | snd_soc_dapm_free(socdev); | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | struct snd_soc_codec_device soc_codec_dev_wm8960 = { | |
937 | .probe = wm8960_probe, | |
938 | .remove = wm8960_remove, | |
939 | .suspend = wm8960_suspend, | |
940 | .resume = wm8960_resume, | |
941 | }; | |
942 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8960); | |
943 | ||
7084a42b MB |
944 | static int wm8960_register(struct wm8960_priv *wm8960, |
945 | enum snd_soc_control_type control) | |
f2644a2c MB |
946 | { |
947 | struct wm8960_data *pdata = wm8960->codec.dev->platform_data; | |
948 | struct snd_soc_codec *codec = &wm8960->codec; | |
949 | int ret; | |
950 | u16 reg; | |
951 | ||
952 | if (wm8960_codec) { | |
953 | dev_err(codec->dev, "Another WM8960 is registered\n"); | |
1a01417e MB |
954 | ret = -EINVAL; |
955 | goto err; | |
f2644a2c MB |
956 | } |
957 | ||
913d7b4c MB |
958 | codec->set_bias_level = wm8960_set_bias_level_out3; |
959 | ||
f2644a2c MB |
960 | if (!pdata) { |
961 | dev_warn(codec->dev, "No platform data supplied\n"); | |
962 | } else { | |
963 | if (pdata->dres > WM8960_DRES_MAX) { | |
964 | dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres); | |
965 | pdata->dres = 0; | |
966 | } | |
913d7b4c MB |
967 | |
968 | if (pdata->capless) | |
969 | codec->set_bias_level = wm8960_set_bias_level_capless; | |
f2644a2c MB |
970 | } |
971 | ||
972 | mutex_init(&codec->mutex); | |
973 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
974 | INIT_LIST_HEAD(&codec->dapm_paths); | |
975 | ||
b2c812e2 | 976 | snd_soc_codec_set_drvdata(codec, wm8960); |
f2644a2c MB |
977 | codec->name = "WM8960"; |
978 | codec->owner = THIS_MODULE; | |
f2644a2c | 979 | codec->bias_level = SND_SOC_BIAS_OFF; |
f2644a2c MB |
980 | codec->dai = &wm8960_dai; |
981 | codec->num_dai = 1; | |
982 | codec->reg_cache_size = WM8960_CACHEREGNUM; | |
983 | codec->reg_cache = &wm8960->reg_cache; | |
984 | ||
985 | memcpy(codec->reg_cache, wm8960_reg, sizeof(wm8960_reg)); | |
986 | ||
7084a42b | 987 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); |
17a52fd6 MB |
988 | if (ret < 0) { |
989 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
990 | goto err; | |
991 | } | |
992 | ||
f2644a2c MB |
993 | ret = wm8960_reset(codec); |
994 | if (ret < 0) { | |
995 | dev_err(codec->dev, "Failed to issue reset\n"); | |
1a01417e | 996 | goto err; |
f2644a2c MB |
997 | } |
998 | ||
999 | wm8960_dai.dev = codec->dev; | |
1000 | ||
913d7b4c | 1001 | codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
f2644a2c MB |
1002 | |
1003 | /* Latch the update bits */ | |
17a52fd6 MB |
1004 | reg = snd_soc_read(codec, WM8960_LINVOL); |
1005 | snd_soc_write(codec, WM8960_LINVOL, reg | 0x100); | |
1006 | reg = snd_soc_read(codec, WM8960_RINVOL); | |
1007 | snd_soc_write(codec, WM8960_RINVOL, reg | 0x100); | |
1008 | reg = snd_soc_read(codec, WM8960_LADC); | |
1009 | snd_soc_write(codec, WM8960_LADC, reg | 0x100); | |
1010 | reg = snd_soc_read(codec, WM8960_RADC); | |
1011 | snd_soc_write(codec, WM8960_RADC, reg | 0x100); | |
1012 | reg = snd_soc_read(codec, WM8960_LDAC); | |
1013 | snd_soc_write(codec, WM8960_LDAC, reg | 0x100); | |
1014 | reg = snd_soc_read(codec, WM8960_RDAC); | |
1015 | snd_soc_write(codec, WM8960_RDAC, reg | 0x100); | |
1016 | reg = snd_soc_read(codec, WM8960_LOUT1); | |
1017 | snd_soc_write(codec, WM8960_LOUT1, reg | 0x100); | |
1018 | reg = snd_soc_read(codec, WM8960_ROUT1); | |
1019 | snd_soc_write(codec, WM8960_ROUT1, reg | 0x100); | |
1020 | reg = snd_soc_read(codec, WM8960_LOUT2); | |
1021 | snd_soc_write(codec, WM8960_LOUT2, reg | 0x100); | |
1022 | reg = snd_soc_read(codec, WM8960_ROUT2); | |
1023 | snd_soc_write(codec, WM8960_ROUT2, reg | 0x100); | |
f2644a2c MB |
1024 | |
1025 | wm8960_codec = codec; | |
1026 | ||
1027 | ret = snd_soc_register_codec(codec); | |
1028 | if (ret != 0) { | |
1029 | dev_err(codec->dev, "Failed to register codec: %d\n", ret); | |
1a01417e | 1030 | goto err; |
f2644a2c MB |
1031 | } |
1032 | ||
1033 | ret = snd_soc_register_dai(&wm8960_dai); | |
1034 | if (ret != 0) { | |
1035 | dev_err(codec->dev, "Failed to register DAI: %d\n", ret); | |
1a01417e | 1036 | goto err_codec; |
f2644a2c MB |
1037 | } |
1038 | ||
1039 | return 0; | |
1a01417e MB |
1040 | |
1041 | err_codec: | |
1042 | snd_soc_unregister_codec(codec); | |
1043 | err: | |
1044 | kfree(wm8960); | |
1045 | return ret; | |
f2644a2c MB |
1046 | } |
1047 | ||
1048 | static void wm8960_unregister(struct wm8960_priv *wm8960) | |
1049 | { | |
913d7b4c | 1050 | wm8960->codec.set_bias_level(&wm8960->codec, SND_SOC_BIAS_OFF); |
f2644a2c MB |
1051 | snd_soc_unregister_dai(&wm8960_dai); |
1052 | snd_soc_unregister_codec(&wm8960->codec); | |
1053 | kfree(wm8960); | |
1054 | wm8960_codec = NULL; | |
1055 | } | |
1056 | ||
1057 | static __devinit int wm8960_i2c_probe(struct i2c_client *i2c, | |
1058 | const struct i2c_device_id *id) | |
1059 | { | |
1060 | struct wm8960_priv *wm8960; | |
1061 | struct snd_soc_codec *codec; | |
1062 | ||
1063 | wm8960 = kzalloc(sizeof(struct wm8960_priv), GFP_KERNEL); | |
1064 | if (wm8960 == NULL) | |
1065 | return -ENOMEM; | |
1066 | ||
1067 | codec = &wm8960->codec; | |
f2644a2c MB |
1068 | |
1069 | i2c_set_clientdata(i2c, wm8960); | |
1070 | codec->control_data = i2c; | |
1071 | ||
1072 | codec->dev = &i2c->dev; | |
1073 | ||
7084a42b | 1074 | return wm8960_register(wm8960, SND_SOC_I2C); |
f2644a2c MB |
1075 | } |
1076 | ||
1077 | static __devexit int wm8960_i2c_remove(struct i2c_client *client) | |
1078 | { | |
1079 | struct wm8960_priv *wm8960 = i2c_get_clientdata(client); | |
1080 | wm8960_unregister(wm8960); | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static const struct i2c_device_id wm8960_i2c_id[] = { | |
1085 | { "wm8960", 0 }, | |
1086 | { } | |
1087 | }; | |
1088 | MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id); | |
1089 | ||
1090 | static struct i2c_driver wm8960_i2c_driver = { | |
1091 | .driver = { | |
a24d62d2 | 1092 | .name = "wm8960", |
f2644a2c MB |
1093 | .owner = THIS_MODULE, |
1094 | }, | |
1095 | .probe = wm8960_i2c_probe, | |
1096 | .remove = __devexit_p(wm8960_i2c_remove), | |
1097 | .id_table = wm8960_i2c_id, | |
1098 | }; | |
1099 | ||
1100 | static int __init wm8960_modinit(void) | |
1101 | { | |
1102 | int ret; | |
1103 | ||
1104 | ret = i2c_add_driver(&wm8960_i2c_driver); | |
1105 | if (ret != 0) { | |
1106 | printk(KERN_ERR "Failed to register WM8960 I2C driver: %d\n", | |
1107 | ret); | |
1108 | } | |
1109 | ||
1110 | return ret; | |
1111 | } | |
1112 | module_init(wm8960_modinit); | |
1113 | ||
1114 | static void __exit wm8960_exit(void) | |
1115 | { | |
1116 | i2c_del_driver(&wm8960_i2c_driver); | |
1117 | } | |
1118 | module_exit(wm8960_exit); | |
1119 | ||
1120 | ||
1121 | MODULE_DESCRIPTION("ASoC WM8960 driver"); | |
1122 | MODULE_AUTHOR("Liam Girdwood"); | |
1123 | MODULE_LICENSE("GPL"); |