tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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.
12 *
13 * Revision history
14 * 4th Feb 2006 Initial version.
15 */
16
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/driver.h>
23#include <sound/core.h>
24#include <sound/pcm.h>
25#include <sound/ac97_codec.h>
26#include <sound/initval.h>
27#include <sound/soc.h>
28#include <sound/soc-dapm.h>
29
30#define WM9712_VERSION "0.4"
31
32static unsigned int ac97_read(struct snd_soc_codec *codec,
33 unsigned int reg);
34static int ac97_write(struct snd_soc_codec *codec,
35 unsigned int reg, unsigned int val);
36
37/*
38 * WM9712 register cache
39 */
40static const u16 wm9712_reg[] = {
41 0x6174, 0x8000, 0x8000, 0x8000, // 6
42 0x0f0f, 0xaaa0, 0xc008, 0x6808, // e
43 0xe808, 0xaaa0, 0xad00, 0x8000, // 16
44 0xe808, 0x3000, 0x8000, 0x0000, // 1e
45 0x0000, 0x0000, 0x0000, 0x000f, // 26
46 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
47 0x0000, 0xbb80, 0x0000, 0x0000, // 36
48 0x0000, 0x2000, 0x0000, 0x0000, // 3e
49 0x0000, 0x0000, 0x0000, 0x0000, // 46
50 0x0000, 0x0000, 0xf83e, 0xffff, // 4e
51 0x0000, 0x0000, 0x0000, 0xf83e, // 56
52 0x0008, 0x0000, 0x0000, 0x0000, // 5e
53 0xb032, 0x3e00, 0x0000, 0x0000, // 66
54 0x0000, 0x0000, 0x0000, 0x0000, // 6e
55 0x0000, 0x0000, 0x0000, 0x0006, // 76
56 0x0001, 0x0000, 0x574d, 0x4c12, // 7e
57 0x0000, 0x0000 // virtual hp mixers
58};
59
60/* virtual HP mixers regs */
61#define HPL_MIXER 0x80
62#define HPR_MIXER 0x82
63
64static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
65static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
66static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
67 "Mono"};
68static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
69static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
70static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
71static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
72static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
73 "Stereo"};
74static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
75 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
76static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
77static const char *wm9712_diff_sel[] = {"Mic", "Line"};
78
79static const struct soc_enum wm9712_enum[] = {
80SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
81SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
82SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
83SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
84SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
85SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
86SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
87SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
88SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
89SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
90SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
91SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
92};
93
94static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
95SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
96SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
97SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
98SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
99SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
100
101SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
102SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
103SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
104SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
105SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0),
106
107SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
108SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
109SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
110SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
111SOC_ENUM("ALC Function", wm9712_enum[0]),
112SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
113SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
114SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
115SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
116SOC_ENUM("ALC NG Type", wm9712_enum[10]),
117SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
118
119SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
120SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
121
122SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
123SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
124SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
125
126SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
127SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
128SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
129
130SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
131SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
132SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
133
134SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
135SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
136
137SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
138SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
139
140SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
141SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
142SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
143
144SOC_ENUM("Bass Control", wm9712_enum[5]),
145SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
146SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
147SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
148SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
149SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
150
151SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
152SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
153SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
154SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
155
156SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
157SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
158SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
159};
160
161/* add non dapm controls */
162static int wm9712_add_controls(struct snd_soc_codec *codec)
163{
164 int err, i;
165
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;
171 }
172 return 0;
173}
174
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.
178 */
179static int mixer_event (struct snd_soc_dapm_widget *w, int event)
180{
181 u16 l, r, beep, line, phone, mic, pcm, aux;
182
183 l = ac97_read(w->codec, HPL_MIXER);
184 r = ac97_read(w->codec, HPR_MIXER);
185 beep = ac97_read(w->codec, AC97_PC_BEEP);
186 mic = ac97_read(w->codec, AC97_VIDEO);
187 phone = ac97_read(w->codec, AC97_PHONE);
188 line = ac97_read(w->codec, AC97_LINE);
189 pcm = ac97_read(w->codec, AC97_PCM);
190 aux = ac97_read(w->codec, AC97_CD);
191
192 if (l & 0x1 || r & 0x1)
193 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
194 else
195 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
196
197 if (l & 0x2 || r & 0x2)
198 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
199 else
200 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
201
202 if (l & 0x4 || r & 0x4)
203 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
204 else
205 ac97_write(w->codec, AC97_LINE, line | 0x8000);
206
207 if (l & 0x8 || r & 0x8)
208 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
209 else
210 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
211
212 if (l & 0x10 || r & 0x10)
213 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
214 else
215 ac97_write(w->codec, AC97_CD, aux | 0x8000);
216
217 if (l & 0x20 || r & 0x20)
218 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
219 else
220 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
221
222 return 0;
223}
224
225/* Left Headphone Mixers */
226static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
227 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
228 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
229 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
230 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
231 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
232 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
233};
234
235/* Right Headphone Mixers */
236static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
237 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
238 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
239 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
240 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
241 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
242 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
243};
244
245/* Speaker Mixer */
246static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
247 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
248 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
249 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
250 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
251 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
252};
253
254/* Phone Mixer */
255static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
256 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
257 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
258 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
259 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
260 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
261 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
262};
263
264/* ALC headphone mux */
265static const struct snd_kcontrol_new wm9712_alc_mux_controls =
266SOC_DAPM_ENUM("Route", wm9712_enum[1]);
267
268/* out 3 mux */
269static const struct snd_kcontrol_new wm9712_out3_mux_controls =
270SOC_DAPM_ENUM("Route", wm9712_enum[2]);
271
272/* spk mux */
273static const struct snd_kcontrol_new wm9712_spk_mux_controls =
274SOC_DAPM_ENUM("Route", wm9712_enum[3]);
275
276/* Capture to Phone mux */
277static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
278SOC_DAPM_ENUM("Route", wm9712_enum[4]);
279
280/* Capture left select */
281static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
282SOC_DAPM_ENUM("Route", wm9712_enum[8]);
283
284/* Capture right select */
285static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
286SOC_DAPM_ENUM("Route", wm9712_enum[9]);
287
288/* Mic select */
289static const struct snd_kcontrol_new wm9712_mic_src_controls =
290SOC_DAPM_ENUM("Route", wm9712_enum[7]);
291
292/* diff select */
293static const struct snd_kcontrol_new wm9712_diff_sel_controls =
294SOC_DAPM_ENUM("Route", wm9712_enum[11]);
295
296static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
297SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
298 &wm9712_alc_mux_controls),
299SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
300 &wm9712_out3_mux_controls),
301SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
302 &wm9712_spk_mux_controls),
303SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
304 &wm9712_capture_phone_mux_controls),
305SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
306 &wm9712_capture_selectl_controls),
307SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
308 &wm9712_capture_selectr_controls),
309SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
310 &wm9712_mic_src_controls),
311SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
312 &wm9712_diff_sel_controls),
313SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
314SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
315 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
316 mixer_event, SND_SOC_DAPM_POST_REG),
317SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
318 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
319 mixer_event, SND_SOC_DAPM_POST_REG),
320SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
321 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
322SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
323 &wm9712_speaker_mixer_controls[0],
324 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
325SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
326SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
327SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
328SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
329SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
330SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
331SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
332SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
333SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
334SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
335SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
336SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
337SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
338SND_SOC_DAPM_OUTPUT("MONOOUT"),
339SND_SOC_DAPM_OUTPUT("HPOUTL"),
340SND_SOC_DAPM_OUTPUT("HPOUTR"),
341SND_SOC_DAPM_OUTPUT("LOUT2"),
342SND_SOC_DAPM_OUTPUT("ROUT2"),
343SND_SOC_DAPM_OUTPUT("OUT3"),
344SND_SOC_DAPM_INPUT("LINEINL"),
345SND_SOC_DAPM_INPUT("LINEINR"),
346SND_SOC_DAPM_INPUT("PHONE"),
347SND_SOC_DAPM_INPUT("PCBEEP"),
348SND_SOC_DAPM_INPUT("MIC1"),
349SND_SOC_DAPM_INPUT("MIC2"),
350};
351
352static const char *audio_map[][3] = {
353 /* virtual mixer - mixes left & right channels for spk and mono */
354 {"AC97 Mixer", NULL, "Left DAC"},
355 {"AC97 Mixer", NULL, "Right DAC"},
356
357 /* Left HP mixer */
358 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
359 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
360 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
361 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
362 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
363 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
364 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
365 //{"Right HP Mixer", NULL, "HP Mixer"},
366
367 /* Right HP mixer */
368 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
369 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
370 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
371 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
372 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
373 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
374 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
375
376 /* speaker mixer */
377 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
378 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
379 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
380 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
381 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
382
383 /* Phone mixer */
384 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
385 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
386 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
387 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
388 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
389 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
390
391 /* inputs */
392 {"Line PGA", NULL, "LINEINL"},
393 {"Line PGA", NULL, "LINEINR"},
394 {"Phone PGA", NULL, "PHONE"},
395 {"Mic PGA", NULL, "MIC1"},
396 {"Mic PGA", NULL, "MIC2"},
397
398 /* left capture selector */
399 {"Left Capture Select", "Mic", "MIC1"},
400 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
401 {"Left Capture Select", "Line", "LINEINL"},
402 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
403 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
404 {"Left Capture Select", "Phone", "PHONE"},
405
406 /* right capture selector */
407 {"Right Capture Select", "Mic", "MIC2"},
408 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
409 {"Right Capture Select", "Line", "LINEINR"},
410 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
411 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
412 {"Right Capture Select", "Phone", "PHONE"},
413
414 /* ALC Sidetone */
415 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
416 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
417 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
418 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
419
420 /* ADC's */
421 {"Left ADC", NULL, "Left Capture Select"},
422 {"Right ADC", NULL, "Right Capture Select"},
423
424 /* outputs */
425 {"MONOOUT", NULL, "Phone Mixer"},
426 {"HPOUTL", NULL, "Headphone PGA"},
427 {"Headphone PGA", NULL, "Left HP Mixer"},
428 {"HPOUTR", NULL, "Headphone PGA"},
429 {"Headphone PGA", NULL, "Right HP Mixer"},
430
431 /* mono hp mixer */
432 {"Mono HP Mixer", NULL, "Left HP Mixer"},
433 {"Mono HP Mixer", NULL, "Right HP Mixer"},
434
435 /* Out3 Mux */
436 {"Out3 Mux", "Left", "Left HP Mixer"},
437 {"Out3 Mux", "Mono", "Phone Mixer"},
438 {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
439 {"Out 3 PGA", NULL, "Out3 Mux"},
440 {"OUT3", NULL, "Out 3 PGA"},
441
442 /* speaker Mux */
443 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
444 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
445 {"Speaker PGA", NULL, "Speaker Mux"},
446 {"LOUT2", NULL, "Speaker PGA"},
447 {"ROUT2", NULL, "Speaker PGA"},
448
449 {NULL, NULL, NULL},
450};
451
452static int wm9712_add_widgets(struct snd_soc_codec *codec)
453{
454 int i;
455
456 for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
457 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
458 }
459
460 /* set up audio path audio_mapnects */
461 for(i = 0; audio_map[i][0] != NULL; i++) {
462 snd_soc_dapm_connect_input(codec, audio_map[i][0],
463 audio_map[i][1], audio_map[i][2]);
464 }
465
466 snd_soc_dapm_new_widgets(codec);
467 return 0;
468}
469
470static unsigned int ac97_read(struct snd_soc_codec *codec,
471 unsigned int reg)
472{
473 u16 *cache = codec->reg_cache;
474
475 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
476 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
477 reg == AC97_REC_GAIN)
478 return soc_ac97_ops.read(codec->ac97, reg);
479 else {
480 reg = reg >> 1;
481
482 if (reg > (ARRAY_SIZE(wm9712_reg)))
483 return -EIO;
484
485 return cache[reg];
486 }
487}
488
489static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
490 unsigned int val)
491{
492 u16 *cache = codec->reg_cache;
493
494 soc_ac97_ops.write(codec->ac97, reg, val);
495 reg = reg >> 1;
496 if (reg <= (ARRAY_SIZE(wm9712_reg)))
497 cache[reg] = val;
498
499 return 0;
500}
501
502static int ac97_prepare(struct snd_pcm_substream *substream)
503{
504 struct snd_pcm_runtime *runtime = substream->runtime;
505 struct snd_soc_pcm_runtime *rtd = substream->private_data;
506 struct snd_soc_device *socdev = rtd->socdev;
507 struct snd_soc_codec *codec = socdev->codec;
508 int reg;
509 u16 vra;
510
511 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
512 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
513
514 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
515 reg = AC97_PCM_FRONT_DAC_RATE;
516 else
517 reg = AC97_PCM_LR_ADC_RATE;
518
519 return ac97_write(codec, reg, runtime->rate);
520}
521
522static int ac97_aux_prepare(struct snd_pcm_substream *substream)
523{
524 struct snd_pcm_runtime *runtime = substream->runtime;
525 struct snd_soc_pcm_runtime *rtd = substream->private_data;
526 struct snd_soc_device *socdev = rtd->socdev;
527 struct snd_soc_codec *codec = socdev->codec;
528 u16 vra, xsle;
529
530 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
531 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
532 xsle = ac97_read(codec, AC97_PCI_SID);
533 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
534
535 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
536 return -ENODEV;
537
538 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
539}
540
541#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
542 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
543
544struct snd_soc_codec_dai wm9712_dai[] = {
545{
546 .name = "AC97 HiFi",
547 .type = SND_SOC_DAI_AC97_BUS,
548 .playback = {
549 .stream_name = "HiFi Playback",
550 .channels_min = 1,
551 .channels_max = 2,
552 .rates = WM9712_AC97_RATES,
553 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
554 .capture = {
555 .stream_name = "HiFi Capture",
556 .channels_min = 1,
557 .channels_max = 2,
558 .rates = WM9712_AC97_RATES,
559 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
560 .ops = {
561 .prepare = ac97_prepare,},
562},
563{
564 .name = "AC97 Aux",
565 .playback = {
566 .stream_name = "Aux Playback",
567 .channels_min = 1,
568 .channels_max = 1,
569 .rates = WM9712_AC97_RATES,
570 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
571 .ops = {
572 .prepare = ac97_aux_prepare,},
573}
574};
575EXPORT_SYMBOL_GPL(wm9712_dai);
576
577static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
578{
579 u16 reg;
580
581 switch (event) {
582 case SNDRV_CTL_POWER_D0: /* full On */
583 /* liam - maybe enable thermal shutdown */
584 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
585 ac97_write(codec, AC97_EXTENDED_MID, reg);
586 break;
587 case SNDRV_CTL_POWER_D1: /* partial On */
588 case SNDRV_CTL_POWER_D2: /* partial On */
589 break;
590 case SNDRV_CTL_POWER_D3hot: /* Off, with power */
591 /* enable master bias and vmid */
592 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
593 ac97_write(codec, AC97_EXTENDED_MID, reg);
594 ac97_write(codec, AC97_POWERDOWN, 0x0000);
595 break;
596 case SNDRV_CTL_POWER_D3cold: /* Off, without power */
597 /* disable everything including AC link */
598 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
599 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
600 ac97_write(codec, AC97_POWERDOWN, 0xffff);
601 break;
602 }
603 codec->dapm_state = event;
604 return 0;
605}
606
607static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
608{
609 if (try_warm && soc_ac97_ops.warm_reset) {
610 soc_ac97_ops.warm_reset(codec->ac97);
611 if (!(ac97_read(codec, 0) & 0x8000))
612 return 1;
613 }
614
615 soc_ac97_ops.reset(codec->ac97);
616 if (ac97_read(codec, 0) & 0x8000)
617 goto err;
618 return 0;
619
620err:
621 printk(KERN_ERR "WM9712 AC97 reset failed\n");
622 return -EIO;
623}
624
625static int wm9712_soc_suspend(struct platform_device *pdev,
626 pm_message_t state)
627{
628 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
629 struct snd_soc_codec *codec = socdev->codec;
630
631 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
632 return 0;
633}
634
635static int wm9712_soc_resume(struct platform_device *pdev)
636{
637 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
638 struct snd_soc_codec *codec = socdev->codec;
639 int i, ret;
640 u16 *cache = codec->reg_cache;
641
642 ret = wm9712_reset(codec, 1);
643 if (ret < 0){
644 printk(KERN_ERR "could not reset AC97 codec\n");
645 return ret;
646 }
647
648 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
649
650 if (ret == 0) {
651 /* Sync reg_cache with the hardware after cold reset */
652 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
653 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
654 (i > 0x58 && i != 0x5c))
655 continue;
656 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
657 }
658 }
659
660 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
661 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
662
663 return ret;
664}
665
666static int wm9712_soc_probe(struct platform_device *pdev)
667{
668 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
669 struct snd_soc_codec *codec;
670 int ret = 0;
671
672 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
673
674 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
675 if (socdev->codec == NULL)
676 return -ENOMEM;
677 codec = socdev->codec;
678 mutex_init(&codec->mutex);
679
680 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
681
682 if (codec->reg_cache == NULL) {
683 ret = -ENOMEM;
684 goto cache_err;
685 }
686 codec->reg_cache_size = sizeof(wm9712_reg);
687 codec->reg_cache_step = 2;
688
689 codec->name = "WM9712";
690 codec->owner = THIS_MODULE;
691 codec->dai = wm9712_dai;
692 codec->num_dai = ARRAY_SIZE(wm9712_dai);
693 codec->write = ac97_write;
694 codec->read = ac97_read;
695 codec->dapm_event = wm9712_dapm_event;
696 INIT_LIST_HEAD(&codec->dapm_widgets);
697 INIT_LIST_HEAD(&codec->dapm_paths);
698
699 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
700 if (ret < 0) {
701 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
702 goto codec_err;
703 }
704
705 /* register pcms */
706 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
707 if (ret < 0)
708 goto pcm_err;
709
710 ret = wm9712_reset(codec, 0);
711 if (ret < 0) {
712 printk(KERN_ERR "AC97 link error\n");
713 goto reset_err;
714 }
715
716 /* set alc mux to none */
717 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
718
719 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
720 wm9712_add_controls(codec);
721 wm9712_add_widgets(codec);
722 ret = snd_soc_register_card(socdev);
723 if (ret < 0) {
724 printk(KERN_ERR "wm9712: failed to register card\n");
725 goto reset_err;
726 }
727
728 return 0;
729
730reset_err:
731 snd_soc_free_pcms(socdev);
732
733pcm_err:
734 snd_soc_free_ac97_codec(codec);
735
736codec_err:
737 kfree(codec->reg_cache);
738
739cache_err:
740 kfree(socdev->codec);
741 socdev->codec = NULL;
742 return ret;
743}
744
745static int wm9712_soc_remove(struct platform_device *pdev)
746{
747 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
748 struct snd_soc_codec *codec = socdev->codec;
749
750 if (codec == NULL)
751 return 0;
752
753 snd_soc_dapm_free(socdev);
754 snd_soc_free_pcms(socdev);
755 snd_soc_free_ac97_codec(codec);
756 kfree(codec->reg_cache);
757 kfree(codec);
758 return 0;
759}
760
761struct snd_soc_codec_device soc_codec_dev_wm9712 = {
762 .probe = wm9712_soc_probe,
763 .remove = wm9712_soc_remove,
764 .suspend = wm9712_soc_suspend,
765 .resume = wm9712_soc_resume,
766};
767
768EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
769
770MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
771MODULE_AUTHOR("Liam Girdwood");
772MODULE_LICENSE("GPL");