Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / sound / soc / codecs / wm9712.c
blob32c47265e179e647370c2f6a705b82e829507799
1 /*
2 * wm9712.c -- ALSA Soc WM9712 codec support
4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood
6 * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
13 * Revision history
14 * 4th Feb 2006 Initial version.
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/version.h>
20 #include <linux/kernel.h>
21 #include <linux/device.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/ac97_codec.h>
25 #include <sound/initval.h>
26 #include <sound/soc.h>
27 #include <sound/soc-dapm.h>
29 #define WM9712_VERSION "0.4"
31 static unsigned int ac97_read(struct snd_soc_codec *codec,
32 unsigned int reg);
33 static int ac97_write(struct snd_soc_codec *codec,
34 unsigned int reg, unsigned int val);
37 * WM9712 register cache
39 static const u16 wm9712_reg[] = {
40 0x6174, 0x8000, 0x8000, 0x8000, // 6
41 0x0f0f, 0xaaa0, 0xc008, 0x6808, // e
42 0xe808, 0xaaa0, 0xad00, 0x8000, // 16
43 0xe808, 0x3000, 0x8000, 0x0000, // 1e
44 0x0000, 0x0000, 0x0000, 0x000f, // 26
45 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
46 0x0000, 0xbb80, 0x0000, 0x0000, // 36
47 0x0000, 0x2000, 0x0000, 0x0000, // 3e
48 0x0000, 0x0000, 0x0000, 0x0000, // 46
49 0x0000, 0x0000, 0xf83e, 0xffff, // 4e
50 0x0000, 0x0000, 0x0000, 0xf83e, // 56
51 0x0008, 0x0000, 0x0000, 0x0000, // 5e
52 0xb032, 0x3e00, 0x0000, 0x0000, // 66
53 0x0000, 0x0000, 0x0000, 0x0000, // 6e
54 0x0000, 0x0000, 0x0000, 0x0006, // 76
55 0x0001, 0x0000, 0x574d, 0x4c12, // 7e
56 0x0000, 0x0000 // virtual hp mixers
59 /* virtual HP mixers regs */
60 #define HPL_MIXER 0x80
61 #define HPR_MIXER 0x82
63 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
64 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
65 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
66 "Mono"};
67 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
68 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
69 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
70 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
71 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
72 "Stereo"};
73 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
74 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
75 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
76 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
78 static const struct soc_enum wm9712_enum[] = {
79 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
80 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
81 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
82 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
83 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
84 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
85 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
86 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
87 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
88 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
89 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
90 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
93 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
94 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
95 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
96 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
97 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
98 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
100 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
101 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
102 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
103 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
104 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
105 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
107 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
108 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
109 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
110 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
111 SOC_ENUM("ALC Function", wm9712_enum[0]),
112 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
113 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
114 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
115 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
116 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
117 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
119 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
120 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
122 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
123 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
124 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
126 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
127 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
128 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
130 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
131 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
132 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
134 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
135 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
137 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
138 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
140 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
141 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
142 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
144 SOC_ENUM("Bass Control", wm9712_enum[5]),
145 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
146 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
147 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
148 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
149 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
151 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
152 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
153 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
154 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
156 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
157 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
158 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
161 /* add non dapm controls */
162 static int wm9712_add_controls(struct snd_soc_codec *codec)
164 int err, i;
166 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
167 err = snd_ctl_add(codec->card,
168 snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL));
169 if (err < 0)
170 return err;
172 return 0;
175 /* We have to create a fake left and right HP mixers because
176 * the codec only has a single control that is shared by both channels.
177 * This makes it impossible to determine the audio path.
179 <<<<<<< HEAD:sound/soc/codecs/wm9712.c
180 static int mixer_event (struct snd_soc_dapm_widget *w, int event)
181 =======
182 static int mixer_event(struct snd_soc_dapm_widget *w,
183 struct snd_kcontrol *k, int event)
184 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:sound/soc/codecs/wm9712.c
186 u16 l, r, beep, line, phone, mic, pcm, aux;
188 l = ac97_read(w->codec, HPL_MIXER);
189 r = ac97_read(w->codec, HPR_MIXER);
190 beep = ac97_read(w->codec, AC97_PC_BEEP);
191 mic = ac97_read(w->codec, AC97_VIDEO);
192 phone = ac97_read(w->codec, AC97_PHONE);
193 line = ac97_read(w->codec, AC97_LINE);
194 pcm = ac97_read(w->codec, AC97_PCM);
195 aux = ac97_read(w->codec, AC97_CD);
197 if (l & 0x1 || r & 0x1)
198 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
199 else
200 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
202 if (l & 0x2 || r & 0x2)
203 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
204 else
205 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
207 if (l & 0x4 || r & 0x4)
208 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
209 else
210 ac97_write(w->codec, AC97_LINE, line | 0x8000);
212 if (l & 0x8 || r & 0x8)
213 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
214 else
215 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
217 if (l & 0x10 || r & 0x10)
218 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
219 else
220 ac97_write(w->codec, AC97_CD, aux | 0x8000);
222 if (l & 0x20 || r & 0x20)
223 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
224 else
225 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
227 return 0;
230 /* Left Headphone Mixers */
231 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
232 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
233 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
234 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
235 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
236 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
237 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
240 /* Right Headphone Mixers */
241 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
242 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
243 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
244 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
245 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
246 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
247 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
250 /* Speaker Mixer */
251 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
252 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
253 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
254 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
255 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
256 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
259 /* Phone Mixer */
260 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
261 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
262 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
263 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
264 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
265 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
266 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
269 /* ALC headphone mux */
270 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
271 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
273 /* out 3 mux */
274 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
275 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
277 /* spk mux */
278 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
279 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
281 /* Capture to Phone mux */
282 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
283 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
285 /* Capture left select */
286 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
287 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
289 /* Capture right select */
290 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
291 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
293 /* Mic select */
294 static const struct snd_kcontrol_new wm9712_mic_src_controls =
295 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
297 /* diff select */
298 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
299 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
301 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
302 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
303 &wm9712_alc_mux_controls),
304 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
305 &wm9712_out3_mux_controls),
306 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
307 &wm9712_spk_mux_controls),
308 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
309 &wm9712_capture_phone_mux_controls),
310 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
311 &wm9712_capture_selectl_controls),
312 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
313 &wm9712_capture_selectr_controls),
314 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
315 &wm9712_mic_src_controls),
316 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
317 &wm9712_diff_sel_controls),
318 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
319 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
320 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
321 mixer_event, SND_SOC_DAPM_POST_REG),
322 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
323 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
324 mixer_event, SND_SOC_DAPM_POST_REG),
325 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
326 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
327 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
328 &wm9712_speaker_mixer_controls[0],
329 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
330 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
331 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
332 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
333 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
334 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
335 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
336 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
337 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
338 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
339 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
340 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
341 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
342 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
343 SND_SOC_DAPM_OUTPUT("MONOOUT"),
344 SND_SOC_DAPM_OUTPUT("HPOUTL"),
345 SND_SOC_DAPM_OUTPUT("HPOUTR"),
346 SND_SOC_DAPM_OUTPUT("LOUT2"),
347 SND_SOC_DAPM_OUTPUT("ROUT2"),
348 SND_SOC_DAPM_OUTPUT("OUT3"),
349 SND_SOC_DAPM_INPUT("LINEINL"),
350 SND_SOC_DAPM_INPUT("LINEINR"),
351 SND_SOC_DAPM_INPUT("PHONE"),
352 SND_SOC_DAPM_INPUT("PCBEEP"),
353 SND_SOC_DAPM_INPUT("MIC1"),
354 SND_SOC_DAPM_INPUT("MIC2"),
357 static const char *audio_map[][3] = {
358 /* virtual mixer - mixes left & right channels for spk and mono */
359 {"AC97 Mixer", NULL, "Left DAC"},
360 {"AC97 Mixer", NULL, "Right DAC"},
362 /* Left HP mixer */
363 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
364 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
365 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
366 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
367 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
368 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
369 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
370 //{"Right HP Mixer", NULL, "HP Mixer"},
372 /* Right HP mixer */
373 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
374 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
375 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
376 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
377 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
378 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
379 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
381 /* speaker mixer */
382 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
383 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
384 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
385 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
386 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
388 /* Phone mixer */
389 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
390 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
391 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
392 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
393 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
394 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
396 /* inputs */
397 {"Line PGA", NULL, "LINEINL"},
398 {"Line PGA", NULL, "LINEINR"},
399 {"Phone PGA", NULL, "PHONE"},
400 {"Mic PGA", NULL, "MIC1"},
401 {"Mic PGA", NULL, "MIC2"},
403 /* left capture selector */
404 {"Left Capture Select", "Mic", "MIC1"},
405 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
406 {"Left Capture Select", "Line", "LINEINL"},
407 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
408 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
409 {"Left Capture Select", "Phone", "PHONE"},
411 /* right capture selector */
412 {"Right Capture Select", "Mic", "MIC2"},
413 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
414 {"Right Capture Select", "Line", "LINEINR"},
415 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
416 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
417 {"Right Capture Select", "Phone", "PHONE"},
419 /* ALC Sidetone */
420 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
421 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
422 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
423 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
425 /* ADC's */
426 {"Left ADC", NULL, "Left Capture Select"},
427 {"Right ADC", NULL, "Right Capture Select"},
429 /* outputs */
430 {"MONOOUT", NULL, "Phone Mixer"},
431 {"HPOUTL", NULL, "Headphone PGA"},
432 {"Headphone PGA", NULL, "Left HP Mixer"},
433 {"HPOUTR", NULL, "Headphone PGA"},
434 {"Headphone PGA", NULL, "Right HP Mixer"},
436 /* mono hp mixer */
437 {"Mono HP Mixer", NULL, "Left HP Mixer"},
438 {"Mono HP Mixer", NULL, "Right HP Mixer"},
440 /* Out3 Mux */
441 {"Out3 Mux", "Left", "Left HP Mixer"},
442 {"Out3 Mux", "Mono", "Phone Mixer"},
443 {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
444 {"Out 3 PGA", NULL, "Out3 Mux"},
445 {"OUT3", NULL, "Out 3 PGA"},
447 /* speaker Mux */
448 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
449 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
450 {"Speaker PGA", NULL, "Speaker Mux"},
451 {"LOUT2", NULL, "Speaker PGA"},
452 {"ROUT2", NULL, "Speaker PGA"},
454 {NULL, NULL, NULL},
457 static int wm9712_add_widgets(struct snd_soc_codec *codec)
459 int i;
461 for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
462 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
465 /* set up audio path audio_mapnects */
466 for(i = 0; audio_map[i][0] != NULL; i++) {
467 snd_soc_dapm_connect_input(codec, audio_map[i][0],
468 audio_map[i][1], audio_map[i][2]);
471 snd_soc_dapm_new_widgets(codec);
472 return 0;
475 static unsigned int ac97_read(struct snd_soc_codec *codec,
476 unsigned int reg)
478 u16 *cache = codec->reg_cache;
480 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
481 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
482 reg == AC97_REC_GAIN)
483 return soc_ac97_ops.read(codec->ac97, reg);
484 else {
485 reg = reg >> 1;
487 if (reg > (ARRAY_SIZE(wm9712_reg)))
488 return -EIO;
490 return cache[reg];
494 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
495 unsigned int val)
497 u16 *cache = codec->reg_cache;
499 soc_ac97_ops.write(codec->ac97, reg, val);
500 reg = reg >> 1;
501 if (reg <= (ARRAY_SIZE(wm9712_reg)))
502 cache[reg] = val;
504 return 0;
507 static int ac97_prepare(struct snd_pcm_substream *substream)
509 struct snd_pcm_runtime *runtime = substream->runtime;
510 struct snd_soc_pcm_runtime *rtd = substream->private_data;
511 struct snd_soc_device *socdev = rtd->socdev;
512 struct snd_soc_codec *codec = socdev->codec;
513 int reg;
514 u16 vra;
516 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
517 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
519 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
520 reg = AC97_PCM_FRONT_DAC_RATE;
521 else
522 reg = AC97_PCM_LR_ADC_RATE;
524 return ac97_write(codec, reg, runtime->rate);
527 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
529 struct snd_pcm_runtime *runtime = substream->runtime;
530 struct snd_soc_pcm_runtime *rtd = substream->private_data;
531 struct snd_soc_device *socdev = rtd->socdev;
532 struct snd_soc_codec *codec = socdev->codec;
533 u16 vra, xsle;
535 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
536 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
537 xsle = ac97_read(codec, AC97_PCI_SID);
538 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
540 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
541 return -ENODEV;
543 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
546 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
547 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
549 struct snd_soc_codec_dai wm9712_dai[] = {
551 .name = "AC97 HiFi",
552 .type = SND_SOC_DAI_AC97_BUS,
553 .playback = {
554 .stream_name = "HiFi Playback",
555 .channels_min = 1,
556 .channels_max = 2,
557 .rates = WM9712_AC97_RATES,
558 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
559 .capture = {
560 .stream_name = "HiFi Capture",
561 .channels_min = 1,
562 .channels_max = 2,
563 .rates = WM9712_AC97_RATES,
564 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
565 .ops = {
566 .prepare = ac97_prepare,},
569 .name = "AC97 Aux",
570 .playback = {
571 .stream_name = "Aux Playback",
572 .channels_min = 1,
573 .channels_max = 1,
574 .rates = WM9712_AC97_RATES,
575 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
576 .ops = {
577 .prepare = ac97_aux_prepare,},
580 EXPORT_SYMBOL_GPL(wm9712_dai);
582 static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
584 u16 reg;
586 switch (event) {
587 case SNDRV_CTL_POWER_D0: /* full On */
588 /* liam - maybe enable thermal shutdown */
589 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
590 ac97_write(codec, AC97_EXTENDED_MID, reg);
591 break;
592 case SNDRV_CTL_POWER_D1: /* partial On */
593 case SNDRV_CTL_POWER_D2: /* partial On */
594 break;
595 case SNDRV_CTL_POWER_D3hot: /* Off, with power */
596 /* enable master bias and vmid */
597 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
598 ac97_write(codec, AC97_EXTENDED_MID, reg);
599 ac97_write(codec, AC97_POWERDOWN, 0x0000);
600 break;
601 case SNDRV_CTL_POWER_D3cold: /* Off, without power */
602 /* disable everything including AC link */
603 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
604 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
605 ac97_write(codec, AC97_POWERDOWN, 0xffff);
606 break;
608 codec->dapm_state = event;
609 return 0;
612 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
614 if (try_warm && soc_ac97_ops.warm_reset) {
615 soc_ac97_ops.warm_reset(codec->ac97);
616 if (!(ac97_read(codec, 0) & 0x8000))
617 return 1;
620 soc_ac97_ops.reset(codec->ac97);
621 if (ac97_read(codec, 0) & 0x8000)
622 goto err;
623 return 0;
625 err:
626 printk(KERN_ERR "WM9712 AC97 reset failed\n");
627 return -EIO;
630 static int wm9712_soc_suspend(struct platform_device *pdev,
631 pm_message_t state)
633 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
634 struct snd_soc_codec *codec = socdev->codec;
636 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
637 return 0;
640 static int wm9712_soc_resume(struct platform_device *pdev)
642 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
643 struct snd_soc_codec *codec = socdev->codec;
644 int i, ret;
645 u16 *cache = codec->reg_cache;
647 ret = wm9712_reset(codec, 1);
648 if (ret < 0){
649 printk(KERN_ERR "could not reset AC97 codec\n");
650 return ret;
653 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
655 if (ret == 0) {
656 /* Sync reg_cache with the hardware after cold reset */
657 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
658 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
659 (i > 0x58 && i != 0x5c))
660 continue;
661 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
665 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
666 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
668 return ret;
671 static int wm9712_soc_probe(struct platform_device *pdev)
673 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
674 struct snd_soc_codec *codec;
675 int ret = 0;
677 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
679 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
680 if (socdev->codec == NULL)
681 return -ENOMEM;
682 codec = socdev->codec;
683 mutex_init(&codec->mutex);
685 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
687 if (codec->reg_cache == NULL) {
688 ret = -ENOMEM;
689 goto cache_err;
691 codec->reg_cache_size = sizeof(wm9712_reg);
692 codec->reg_cache_step = 2;
694 codec->name = "WM9712";
695 codec->owner = THIS_MODULE;
696 codec->dai = wm9712_dai;
697 codec->num_dai = ARRAY_SIZE(wm9712_dai);
698 codec->write = ac97_write;
699 codec->read = ac97_read;
700 codec->dapm_event = wm9712_dapm_event;
701 INIT_LIST_HEAD(&codec->dapm_widgets);
702 INIT_LIST_HEAD(&codec->dapm_paths);
704 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
705 if (ret < 0) {
706 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
707 goto codec_err;
710 /* register pcms */
711 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
712 if (ret < 0)
713 goto pcm_err;
715 ret = wm9712_reset(codec, 0);
716 if (ret < 0) {
717 printk(KERN_ERR "AC97 link error\n");
718 goto reset_err;
721 /* set alc mux to none */
722 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
724 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
725 wm9712_add_controls(codec);
726 wm9712_add_widgets(codec);
727 ret = snd_soc_register_card(socdev);
728 if (ret < 0) {
729 printk(KERN_ERR "wm9712: failed to register card\n");
730 goto reset_err;
733 return 0;
735 reset_err:
736 snd_soc_free_pcms(socdev);
738 pcm_err:
739 snd_soc_free_ac97_codec(codec);
741 codec_err:
742 kfree(codec->reg_cache);
744 cache_err:
745 kfree(socdev->codec);
746 socdev->codec = NULL;
747 return ret;
750 static int wm9712_soc_remove(struct platform_device *pdev)
752 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
753 struct snd_soc_codec *codec = socdev->codec;
755 if (codec == NULL)
756 return 0;
758 snd_soc_dapm_free(socdev);
759 snd_soc_free_pcms(socdev);
760 snd_soc_free_ac97_codec(codec);
761 kfree(codec->reg_cache);
762 kfree(codec);
763 return 0;
766 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
767 .probe = wm9712_soc_probe,
768 .remove = wm9712_soc_remove,
769 .suspend = wm9712_soc_suspend,
770 .resume = wm9712_soc_resume,
773 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
775 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
776 MODULE_AUTHOR("Liam Girdwood");
777 MODULE_LICENSE("GPL");