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[ALSA] ASoC: Remove in-code changelogs
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / codecs / wm9712.c
CommitLineData
10c5cf30
RP		 1/*
2 * wm9712.c -- ALSA Soc WM9712 codec support
3 *
4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood
6 * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
7 *
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.
10c5cf30
RP		 12 */
13
14#include <linux/init.h>
15#include <linux/module.h>
16#include <linux/version.h>
17#include <linux/kernel.h>
18#include <linux/device.h>
10c5cf30
RP		 19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/ac97_codec.h>
22#include <sound/initval.h>
23#include <sound/soc.h>
24#include <sound/soc-dapm.h>
25
26#define WM9712_VERSION "0.4"
27
28static unsigned int ac97_read(struct snd_soc_codec *codec,
29 unsigned int reg);
30static int ac97_write(struct snd_soc_codec *codec,
31 unsigned int reg, unsigned int val);
32
10c5cf30
RP		 33/*
34 * WM9712 register cache
35 */
36static const u16 wm9712_reg[] = {
7e48bf65
MB		 37 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */
38 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */
39 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
40 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
41 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
42 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
43 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
44 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
45 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
46 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
47 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
48 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
49 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
50 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
51 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
52 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
53 0x0000, 0x0000 /* virtual hp mixers */
10c5cf30
RP		 54};
55
56/* virtual HP mixers regs */
57#define HPL_MIXER 0x80
58#define HPR_MIXER 0x82
59
60static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
61static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
62static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
63 "Mono"};
64static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
65static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
66static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
67static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
68static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
69 "Stereo"};
70static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
71 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
72static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
73static const char *wm9712_diff_sel[] = {"Mic", "Line"};
74
75static const struct soc_enum wm9712_enum[] = {
76SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
77SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
78SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
79SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
80SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
81SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
82SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
83SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
84SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
85SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
86SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
87SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
88};
89
90static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
91SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
92SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
93SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
7e48bf65 94SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
53ae5194 95SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
10c5cf30
RP		 96
97SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
98SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
99SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
100SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
18fe4ac2
MR		 101SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
102SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
10c5cf30
RP		 103
104SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
105SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
106SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
107SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
108SOC_ENUM("ALC Function", wm9712_enum[0]),
109SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
110SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
111SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
112SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
113SOC_ENUM("ALC NG Type", wm9712_enum[10]),
114SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
115
116SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
117SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
118
119SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
120SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
121SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
122
123SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
124SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
125SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
126
127SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
128SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
129SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
130
7570f29a 131SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
10c5cf30
RP		 132SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
133
134SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
135SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
136
137SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
138SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
139SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
140
141SOC_ENUM("Bass Control", wm9712_enum[5]),
142SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
143SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
144SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
18fe4ac2
MR		 145SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
146SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
10c5cf30
RP		 147
148SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
149SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
150SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
151SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
152
153SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
154SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
155SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
156};
157
158/* add non dapm controls */
159static int wm9712_add_controls(struct snd_soc_codec *codec)
160{
161 int err, i;
162
163 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
164 err = snd_ctl_add(codec->card,
7e48bf65
MB		 165 snd_soc_cnew(&wm9712_snd_ac97_controls[i],
166 codec, NULL));
10c5cf30
RP		 167 if (err < 0)
168 return err;
169 }
170 return 0;
171}
172
173/* We have to create a fake left and right HP mixers because
174 * the codec only has a single control that is shared by both channels.
175 * This makes it impossible to determine the audio path.
176 */
3fffe871
JN		 177static int mixer_event(struct snd_soc_dapm_widget *w,
178 struct snd_kcontrol *k, int event)
10c5cf30
RP		 179{
180 u16 l, r, beep, line, phone, mic, pcm, aux;
181
182 l = ac97_read(w->codec, HPL_MIXER);
183 r = ac97_read(w->codec, HPR_MIXER);
184 beep = ac97_read(w->codec, AC97_PC_BEEP);
185 mic = ac97_read(w->codec, AC97_VIDEO);
186 phone = ac97_read(w->codec, AC97_PHONE);
187 line = ac97_read(w->codec, AC97_LINE);
188 pcm = ac97_read(w->codec, AC97_PCM);
189 aux = ac97_read(w->codec, AC97_CD);
190
191 if (l & 0x1 || r & 0x1)
192 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
193 else
194 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
195
196 if (l & 0x2 || r & 0x2)
197 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
198 else
199 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
200
201 if (l & 0x4 || r & 0x4)
202 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
203 else
204 ac97_write(w->codec, AC97_LINE, line | 0x8000);
205
206 if (l & 0x8 || r & 0x8)
207 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
208 else
209 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
210
211 if (l & 0x10 || r & 0x10)
212 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
213 else
214 ac97_write(w->codec, AC97_CD, aux | 0x8000);
215
216 if (l & 0x20 || r & 0x20)
217 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
218 else
219 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
220
221 return 0;
222}
223
224/* Left Headphone Mixers */
225static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
226 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
227 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
228 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
229 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
230 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
231 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
232};
233
234/* Right Headphone Mixers */
235static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
236 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
237 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
238 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
239 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
240 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
241 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
242};
243
244/* Speaker Mixer */
245static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
246 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
247 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
248 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
249 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
250 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
251};
252
253/* Phone Mixer */
254static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
255 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
256 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
257 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
258 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
259 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
260 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
261};
262
263/* ALC headphone mux */
264static const struct snd_kcontrol_new wm9712_alc_mux_controls =
265SOC_DAPM_ENUM("Route", wm9712_enum[1]);
266
267/* out 3 mux */
268static const struct snd_kcontrol_new wm9712_out3_mux_controls =
269SOC_DAPM_ENUM("Route", wm9712_enum[2]);
270
271/* spk mux */
272static const struct snd_kcontrol_new wm9712_spk_mux_controls =
273SOC_DAPM_ENUM("Route", wm9712_enum[3]);
274
275/* Capture to Phone mux */
276static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
277SOC_DAPM_ENUM("Route", wm9712_enum[4]);
278
279/* Capture left select */
280static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
281SOC_DAPM_ENUM("Route", wm9712_enum[8]);
282
283/* Capture right select */
284static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
285SOC_DAPM_ENUM("Route", wm9712_enum[9]);
286
287/* Mic select */
288static const struct snd_kcontrol_new wm9712_mic_src_controls =
289SOC_DAPM_ENUM("Route", wm9712_enum[7]);
290
291/* diff select */
292static const struct snd_kcontrol_new wm9712_diff_sel_controls =
293SOC_DAPM_ENUM("Route", wm9712_enum[11]);
294
295static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
296SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
297 &wm9712_alc_mux_controls),
298SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
299 &wm9712_out3_mux_controls),
300SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
301 &wm9712_spk_mux_controls),
302SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
303 &wm9712_capture_phone_mux_controls),
304SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
305 &wm9712_capture_selectl_controls),
306SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
307 &wm9712_capture_selectr_controls),
308SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
309 &wm9712_mic_src_controls),
310SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
311 &wm9712_diff_sel_controls),
312SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
313SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
314 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
315 mixer_event, SND_SOC_DAPM_POST_REG),
316SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
317 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
318 mixer_event, SND_SOC_DAPM_POST_REG),
319SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
320 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
321SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
322 &wm9712_speaker_mixer_controls[0],
323 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
324SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
325SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
326SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
327SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
328SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
329SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
330SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
331SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
332SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
333SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
334SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
335SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
336SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
337SND_SOC_DAPM_OUTPUT("MONOOUT"),
338SND_SOC_DAPM_OUTPUT("HPOUTL"),
339SND_SOC_DAPM_OUTPUT("HPOUTR"),
340SND_SOC_DAPM_OUTPUT("LOUT2"),
341SND_SOC_DAPM_OUTPUT("ROUT2"),
342SND_SOC_DAPM_OUTPUT("OUT3"),
343SND_SOC_DAPM_INPUT("LINEINL"),
344SND_SOC_DAPM_INPUT("LINEINR"),
345SND_SOC_DAPM_INPUT("PHONE"),
346SND_SOC_DAPM_INPUT("PCBEEP"),
347SND_SOC_DAPM_INPUT("MIC1"),
348SND_SOC_DAPM_INPUT("MIC2"),
349};
350
351static const char *audio_map[][3] = {
352 /* virtual mixer - mixes left & right channels for spk and mono */
353 {"AC97 Mixer", NULL, "Left DAC"},
354 {"AC97 Mixer", NULL, "Right DAC"},
355
356 /* Left HP mixer */
357 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
358 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
359 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
360 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
361 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
362 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
363 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
10c5cf30
RP		 364
365 /* Right HP mixer */
366 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
367 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
368 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
369 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
370 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
371 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
372 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
373
374 /* speaker mixer */
375 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
376 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
377 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
378 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
379 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
380
381 /* Phone mixer */
382 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
383 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
384 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
385 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
386 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
387 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
388
389 /* inputs */
390 {"Line PGA", NULL, "LINEINL"},
391 {"Line PGA", NULL, "LINEINR"},
392 {"Phone PGA", NULL, "PHONE"},
393 {"Mic PGA", NULL, "MIC1"},
394 {"Mic PGA", NULL, "MIC2"},
395
396 /* left capture selector */
397 {"Left Capture Select", "Mic", "MIC1"},
398 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
399 {"Left Capture Select", "Line", "LINEINL"},
400 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
401 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
402 {"Left Capture Select", "Phone", "PHONE"},
403
404 /* right capture selector */
405 {"Right Capture Select", "Mic", "MIC2"},
406 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
407 {"Right Capture Select", "Line", "LINEINR"},
408 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
409 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
410 {"Right Capture Select", "Phone", "PHONE"},
411
412 /* ALC Sidetone */
413 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
414 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
415 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
416 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
417
418 /* ADC's */
419 {"Left ADC", NULL, "Left Capture Select"},
420 {"Right ADC", NULL, "Right Capture Select"},
421
422 /* outputs */
423 {"MONOOUT", NULL, "Phone Mixer"},
424 {"HPOUTL", NULL, "Headphone PGA"},
425 {"Headphone PGA", NULL, "Left HP Mixer"},
426 {"HPOUTR", NULL, "Headphone PGA"},
427 {"Headphone PGA", NULL, "Right HP Mixer"},
428
429 /* mono hp mixer */
430 {"Mono HP Mixer", NULL, "Left HP Mixer"},
431 {"Mono HP Mixer", NULL, "Right HP Mixer"},
432
433 /* Out3 Mux */
434 {"Out3 Mux", "Left", "Left HP Mixer"},
435 {"Out3 Mux", "Mono", "Phone Mixer"},
436 {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
437 {"Out 3 PGA", NULL, "Out3 Mux"},
438 {"OUT3", NULL, "Out 3 PGA"},
439
440 /* speaker Mux */
441 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
442 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
443 {"Speaker PGA", NULL, "Speaker Mux"},
444 {"LOUT2", NULL, "Speaker PGA"},
445 {"ROUT2", NULL, "Speaker PGA"},
446
447 {NULL, NULL, NULL},
448};
449
450static int wm9712_add_widgets(struct snd_soc_codec *codec)
451{
452 int i;
453
7e48bf65 454 for (i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++)
10c5cf30 455 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
10c5cf30 456
7e48bf65
MB		 457 /* set up audio path connects */
458 for (i = 0; audio_map[i][0] != NULL; i++)
10c5cf30 459 snd_soc_dapm_connect_input(codec, audio_map[i][0],
7e48bf65 460 audio_map[i][1], audio_map[i][2]);
10c5cf30
RP		 461
462 snd_soc_dapm_new_widgets(codec);
463 return 0;
464}
465
466static unsigned int ac97_read(struct snd_soc_codec *codec,
467 unsigned int reg)
468{
469 u16 *cache = codec->reg_cache;
470
471 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
472 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
473 reg == AC97_REC_GAIN)
474 return soc_ac97_ops.read(codec->ac97, reg);
475 else {
476 reg = reg >> 1;
477
478 if (reg > (ARRAY_SIZE(wm9712_reg)))
479 return -EIO;
480
481 return cache[reg];
482 }
483}
484
485static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
486 unsigned int val)
487{
488 u16 *cache = codec->reg_cache;
489
490 soc_ac97_ops.write(codec->ac97, reg, val);
491 reg = reg >> 1;
492 if (reg <= (ARRAY_SIZE(wm9712_reg)))
493 cache[reg] = val;
494
495 return 0;
496}
497
498static int ac97_prepare(struct snd_pcm_substream *substream)
499{
500 struct snd_pcm_runtime *runtime = substream->runtime;
501 struct snd_soc_pcm_runtime *rtd = substream->private_data;
502 struct snd_soc_device *socdev = rtd->socdev;
503 struct snd_soc_codec *codec = socdev->codec;
504 int reg;
505 u16 vra;
506
507 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
508 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
509
510 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
511 reg = AC97_PCM_FRONT_DAC_RATE;
512 else
513 reg = AC97_PCM_LR_ADC_RATE;
514
515 return ac97_write(codec, reg, runtime->rate);
516}
517
518static int ac97_aux_prepare(struct snd_pcm_substream *substream)
519{
520 struct snd_pcm_runtime *runtime = substream->runtime;
521 struct snd_soc_pcm_runtime *rtd = substream->private_data;
522 struct snd_soc_device *socdev = rtd->socdev;
523 struct snd_soc_codec *codec = socdev->codec;
524 u16 vra, xsle;
525
526 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
527 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
528 xsle = ac97_read(codec, AC97_PCI_SID);
529 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
530
531 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
532 return -ENODEV;
533
534 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
535}
536
cbe83b17 537#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
7e48bf65
MB		 538 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
539 SNDRV_PCM_RATE_48000)
cbe83b17 540
10c5cf30
RP		 541struct snd_soc_codec_dai wm9712_dai[] = {
542{
543 .name = "AC97 HiFi",
a68660e0 544 .type = SND_SOC_DAI_AC97_BUS,
10c5cf30
RP		 545 .playback = {
546 .stream_name = "HiFi Playback",
547 .channels_min = 1,
cbe83b17
LG		 548 .channels_max = 2,
549 .rates = WM9712_AC97_RATES,
550 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
10c5cf30
RP		 551 .capture = {
552 .stream_name = "HiFi Capture",
553 .channels_min = 1,
cbe83b17
LG		 554 .channels_max = 2,
555 .rates = WM9712_AC97_RATES,
556 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
10c5cf30
RP		 557 .ops = {
558 .prepare = ac97_prepare,},
cbe83b17
LG		 559},
560{
10c5cf30
RP		 561 .name = "AC97 Aux",
562 .playback = {
563 .stream_name = "Aux Playback",
564 .channels_min = 1,
cbe83b17
LG		 565 .channels_max = 1,
566 .rates = WM9712_AC97_RATES,
567 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
10c5cf30
RP		 568 .ops = {
569 .prepare = ac97_aux_prepare,},
cbe83b17 570}
10c5cf30
RP		 571};
572EXPORT_SYMBOL_GPL(wm9712_dai);
573
574static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
575{
10c5cf30
RP		 576 switch (event) {
577 case SNDRV_CTL_POWER_D0: /* full On */
10c5cf30
RP		 578 case SNDRV_CTL_POWER_D1: /* partial On */
579 case SNDRV_CTL_POWER_D2: /* partial On */
580 break;
581 case SNDRV_CTL_POWER_D3hot: /* Off, with power */
10c5cf30
RP		 582 ac97_write(codec, AC97_POWERDOWN, 0x0000);
583 break;
584 case SNDRV_CTL_POWER_D3cold: /* Off, without power */
585 /* disable everything including AC link */
10c5cf30
RP		 586 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
587 ac97_write(codec, AC97_POWERDOWN, 0xffff);
588 break;
589 }
590 codec->dapm_state = event;
591 return 0;
592}
593
594static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
595{
596 if (try_warm && soc_ac97_ops.warm_reset) {
597 soc_ac97_ops.warm_reset(codec->ac97);
598 if (!(ac97_read(codec, 0) & 0x8000))
599 return 1;
600 }
601
602 soc_ac97_ops.reset(codec->ac97);
603 if (ac97_read(codec, 0) & 0x8000)
604 goto err;
605 return 0;
606
607err:
608 printk(KERN_ERR "WM9712 AC97 reset failed\n");
609 return -EIO;
610}
611
612static int wm9712_soc_suspend(struct platform_device *pdev,
613 pm_message_t state)
614{
615 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
616 struct snd_soc_codec *codec = socdev->codec;
617
618 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
619 return 0;
620}
621
622static int wm9712_soc_resume(struct platform_device *pdev)
623{
624 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
625 struct snd_soc_codec *codec = socdev->codec;
626 int i, ret;
627 u16 *cache = codec->reg_cache;
628
629 ret = wm9712_reset(codec, 1);
7e48bf65 630 if (ret < 0) {
10c5cf30
RP		 631 printk(KERN_ERR "could not reset AC97 codec\n");
632 return ret;
633 }
634
635 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
636
637 if (ret == 0) {
638 /* Sync reg_cache with the hardware after cold reset */
7e48bf65 639 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
10c5cf30 640 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
7e48bf65 641 (i > 0x58 && i != 0x5c))
10c5cf30
RP		 642 continue;
643 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
644 }
645 }
646
647 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
648 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
649
650 return ret;
651}
652
653static int wm9712_soc_probe(struct platform_device *pdev)
654{
655 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
656 struct snd_soc_codec *codec;
657 int ret = 0;
658
659 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
660
661 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
662 if (socdev->codec == NULL)
663 return -ENOMEM;
664 codec = socdev->codec;
665 mutex_init(&codec->mutex);
666
30652c45
GG		 667 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
668
10c5cf30 669 if (codec->reg_cache == NULL) {
e35115a5
LG		 670 ret = -ENOMEM;
671 goto cache_err;
10c5cf30 672 }
30652c45 673 codec->reg_cache_size = sizeof(wm9712_reg);
10c5cf30
RP		 674 codec->reg_cache_step = 2;
675
676 codec->name = "WM9712";
677 codec->owner = THIS_MODULE;
678 codec->dai = wm9712_dai;
679 codec->num_dai = ARRAY_SIZE(wm9712_dai);
680 codec->write = ac97_write;
681 codec->read = ac97_read;
682 codec->dapm_event = wm9712_dapm_event;
683 INIT_LIST_HEAD(&codec->dapm_widgets);
684 INIT_LIST_HEAD(&codec->dapm_paths);
685
686 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
e35115a5
LG		 687 if (ret < 0) {
688 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
689 goto codec_err;
690 }
10c5cf30
RP		 691
692 /* register pcms */
693 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
694 if (ret < 0)
695 goto pcm_err;
696
697 ret = wm9712_reset(codec, 0);
698 if (ret < 0) {
699 printk(KERN_ERR "AC97 link error\n");
700 goto reset_err;
701 }
702
703 /* set alc mux to none */
704 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
705
706 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
707 wm9712_add_controls(codec);
708 wm9712_add_widgets(codec);
709 ret = snd_soc_register_card(socdev);
e35115a5
LG		 710 if (ret < 0) {
711 printk(KERN_ERR "wm9712: failed to register card\n");
10c5cf30 712 goto reset_err;
e35115a5 713 }
10c5cf30
RP		 714
715 return 0;
716
717reset_err:
718 snd_soc_free_pcms(socdev);
719
720pcm_err:
721 snd_soc_free_ac97_codec(codec);
722
e35115a5
LG		 723codec_err:
724 kfree(codec->reg_cache);
725
726cache_err:
10c5cf30
RP		 727 kfree(socdev->codec);
728 socdev->codec = NULL;
729 return ret;
730}
731
732static int wm9712_soc_remove(struct platform_device *pdev)
733{
734 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
735 struct snd_soc_codec *codec = socdev->codec;
736
737 if (codec == NULL)
738 return 0;
739
740 snd_soc_dapm_free(socdev);
741 snd_soc_free_pcms(socdev);
742 snd_soc_free_ac97_codec(codec);
743 kfree(codec->reg_cache);
744 kfree(codec);
745 return 0;
746}
747
748struct snd_soc_codec_device soc_codec_dev_wm9712 = {
749 .probe = wm9712_soc_probe,
750 .remove = wm9712_soc_remove,
751 .suspend = wm9712_soc_suspend,
752 .resume = wm9712_soc_resume,
753};
10c5cf30
RP		 754EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
755
756MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
757MODULE_AUTHOR("Liam Girdwood");
758MODULE_LICENSE("GPL");
kernel source for telekom puls (alcatel/mediatek)