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.
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,
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",
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",
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)
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],
176 /* We have to create a fake left and right HP mixers because
177 * the codec only has a single control that is shared by both channels.
178 * This makes it impossible to determine the audio path.
180 static int mixer_event(struct snd_soc_dapm_widget *w,
181 struct snd_kcontrol *k, int event)
183 u16 l, r, beep, line, phone, mic, pcm, aux;
185 l = ac97_read(w->codec, HPL_MIXER);
186 r = ac97_read(w->codec, HPR_MIXER);
187 beep = ac97_read(w->codec, AC97_PC_BEEP);
188 mic = ac97_read(w->codec, AC97_VIDEO);
189 phone = ac97_read(w->codec, AC97_PHONE);
190 line = ac97_read(w->codec, AC97_LINE);
191 pcm = ac97_read(w->codec, AC97_PCM);
192 aux = ac97_read(w->codec, AC97_CD);
194 if (l & 0x1 || r & 0x1)
195 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
197 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
199 if (l & 0x2 || r & 0x2)
200 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
202 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
204 if (l & 0x4 || r & 0x4)
205 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
207 ac97_write(w->codec, AC97_LINE, line | 0x8000);
209 if (l & 0x8 || r & 0x8)
210 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
212 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
214 if (l & 0x10 || r & 0x10)
215 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
217 ac97_write(w->codec, AC97_CD, aux | 0x8000);
219 if (l & 0x20 || r & 0x20)
220 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
222 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
227 /* Left Headphone Mixers */
228 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
229 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
230 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
231 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
232 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
233 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
234 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
237 /* Right Headphone Mixers */
238 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
239 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
240 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
241 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
242 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
243 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
244 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
248 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
249 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
250 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
251 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
252 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
253 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
257 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
258 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
259 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
260 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
261 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
262 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
263 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
266 /* ALC headphone mux */
267 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
268 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
271 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
272 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
275 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
276 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
278 /* Capture to Phone mux */
279 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
280 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
282 /* Capture left select */
283 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
284 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
286 /* Capture right select */
287 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
288 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
291 static const struct snd_kcontrol_new wm9712_mic_src_controls =
292 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
295 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
296 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
298 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
299 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
300 &wm9712_alc_mux_controls),
301 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
302 &wm9712_out3_mux_controls),
303 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
304 &wm9712_spk_mux_controls),
305 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
306 &wm9712_capture_phone_mux_controls),
307 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
308 &wm9712_capture_selectl_controls),
309 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
310 &wm9712_capture_selectr_controls),
311 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
312 &wm9712_mic_src_controls),
313 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
314 &wm9712_diff_sel_controls),
315 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
316 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
317 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
318 mixer_event, SND_SOC_DAPM_POST_REG),
319 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
320 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
321 mixer_event, SND_SOC_DAPM_POST_REG),
322 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
323 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
324 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
325 &wm9712_speaker_mixer_controls[0],
326 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
327 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
328 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
329 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
330 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
331 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
332 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
333 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
334 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
335 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
336 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
337 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
338 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
339 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
340 SND_SOC_DAPM_OUTPUT("MONOOUT"),
341 SND_SOC_DAPM_OUTPUT("HPOUTL"),
342 SND_SOC_DAPM_OUTPUT("HPOUTR"),
343 SND_SOC_DAPM_OUTPUT("LOUT2"),
344 SND_SOC_DAPM_OUTPUT("ROUT2"),
345 SND_SOC_DAPM_OUTPUT("OUT3"),
346 SND_SOC_DAPM_INPUT("LINEINL"),
347 SND_SOC_DAPM_INPUT("LINEINR"),
348 SND_SOC_DAPM_INPUT("PHONE"),
349 SND_SOC_DAPM_INPUT("PCBEEP"),
350 SND_SOC_DAPM_INPUT("MIC1"),
351 SND_SOC_DAPM_INPUT("MIC2"),
354 static const char *audio_map[][3] = {
355 /* virtual mixer - mixes left & right channels for spk and mono */
356 {"AC97 Mixer", NULL, "Left DAC"},
357 {"AC97 Mixer", NULL, "Right DAC"},
360 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
361 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
362 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
363 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
364 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
365 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
366 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
369 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
370 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
371 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
372 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
373 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
374 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
375 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
378 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
379 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
380 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
381 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
382 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
385 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
386 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
387 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
388 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
389 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
390 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
393 {"Line PGA", NULL, "LINEINL"},
394 {"Line PGA", NULL, "LINEINR"},
395 {"Phone PGA", NULL, "PHONE"},
396 {"Mic PGA", NULL, "MIC1"},
397 {"Mic PGA", NULL, "MIC2"},
399 /* left capture selector */
400 {"Left Capture Select", "Mic", "MIC1"},
401 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
402 {"Left Capture Select", "Line", "LINEINL"},
403 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
404 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
405 {"Left Capture Select", "Phone", "PHONE"},
407 /* right capture selector */
408 {"Right Capture Select", "Mic", "MIC2"},
409 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
410 {"Right Capture Select", "Line", "LINEINR"},
411 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
412 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
413 {"Right Capture Select", "Phone", "PHONE"},
416 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
417 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
418 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
419 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
422 {"Left ADC", NULL, "Left Capture Select"},
423 {"Right ADC", NULL, "Right Capture Select"},
426 {"MONOOUT", NULL, "Phone Mixer"},
427 {"HPOUTL", NULL, "Headphone PGA"},
428 {"Headphone PGA", NULL, "Left HP Mixer"},
429 {"HPOUTR", NULL, "Headphone PGA"},
430 {"Headphone PGA", NULL, "Right HP Mixer"},
433 {"Mono HP Mixer", NULL, "Left HP Mixer"},
434 {"Mono HP Mixer", NULL, "Right HP Mixer"},
437 {"Out3 Mux", "Left", "Left HP Mixer"},
438 {"Out3 Mux", "Mono", "Phone Mixer"},
439 {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
440 {"Out 3 PGA", NULL, "Out3 Mux"},
441 {"OUT3", NULL, "Out 3 PGA"},
444 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
445 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
446 {"Speaker PGA", NULL, "Speaker Mux"},
447 {"LOUT2", NULL, "Speaker PGA"},
448 {"ROUT2", NULL, "Speaker PGA"},
453 static int wm9712_add_widgets(struct snd_soc_codec *codec)
457 for (i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++)
458 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
460 /* set up audio path connects */
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]);
465 snd_soc_dapm_new_widgets(codec);
469 static unsigned int ac97_read(struct snd_soc_codec *codec,
472 u16 *cache = codec->reg_cache;
474 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
475 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
476 reg == AC97_REC_GAIN)
477 return soc_ac97_ops.read(codec->ac97, reg);
481 if (reg > (ARRAY_SIZE(wm9712_reg)))
488 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
491 u16 *cache = codec->reg_cache;
493 soc_ac97_ops.write(codec->ac97, reg, val);
495 if (reg <= (ARRAY_SIZE(wm9712_reg)))
501 static int ac97_prepare(struct snd_pcm_substream *substream)
503 struct snd_pcm_runtime *runtime = substream->runtime;
504 struct snd_soc_pcm_runtime *rtd = substream->private_data;
505 struct snd_soc_device *socdev = rtd->socdev;
506 struct snd_soc_codec *codec = socdev->codec;
510 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
511 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
513 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
514 reg = AC97_PCM_FRONT_DAC_RATE;
516 reg = AC97_PCM_LR_ADC_RATE;
518 return ac97_write(codec, reg, runtime->rate);
521 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
523 struct snd_pcm_runtime *runtime = substream->runtime;
524 struct snd_soc_pcm_runtime *rtd = substream->private_data;
525 struct snd_soc_device *socdev = rtd->socdev;
526 struct snd_soc_codec *codec = socdev->codec;
529 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
530 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
531 xsle = ac97_read(codec, AC97_PCI_SID);
532 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
534 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
537 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
540 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
541 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
542 SNDRV_PCM_RATE_48000)
544 struct snd_soc_codec_dai wm9712_dai[] = {
547 .type = SND_SOC_DAI_AC97_BUS,
549 .stream_name = "HiFi Playback",
552 .rates = WM9712_AC97_RATES,
553 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
555 .stream_name = "HiFi Capture",
558 .rates = WM9712_AC97_RATES,
559 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
561 .prepare = ac97_prepare,},
566 .stream_name = "Aux Playback",
569 .rates = WM9712_AC97_RATES,
570 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
572 .prepare = ac97_aux_prepare,},
575 EXPORT_SYMBOL_GPL(wm9712_dai);
577 static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
580 case SNDRV_CTL_POWER_D0: /* full On */
581 case SNDRV_CTL_POWER_D1: /* partial On */
582 case SNDRV_CTL_POWER_D2: /* partial On */
584 case SNDRV_CTL_POWER_D3hot: /* Off, with power */
585 ac97_write(codec, AC97_POWERDOWN, 0x0000);
587 case SNDRV_CTL_POWER_D3cold: /* Off, without power */
588 /* disable everything including AC link */
589 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
590 ac97_write(codec, AC97_POWERDOWN, 0xffff);
593 codec->dapm_state = event;
597 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
599 if (try_warm && soc_ac97_ops.warm_reset) {
600 soc_ac97_ops.warm_reset(codec->ac97);
601 if (!(ac97_read(codec, 0) & 0x8000))
605 soc_ac97_ops.reset(codec->ac97);
606 if (ac97_read(codec, 0) & 0x8000)
611 printk(KERN_ERR "WM9712 AC97 reset failed\n");
615 static int wm9712_soc_suspend(struct platform_device *pdev,
618 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
619 struct snd_soc_codec *codec = socdev->codec;
621 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
625 static int wm9712_soc_resume(struct platform_device *pdev)
627 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
628 struct snd_soc_codec *codec = socdev->codec;
630 u16 *cache = codec->reg_cache;
632 ret = wm9712_reset(codec, 1);
634 printk(KERN_ERR "could not reset AC97 codec\n");
638 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
641 /* Sync reg_cache with the hardware after cold reset */
642 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
643 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
644 (i > 0x58 && i != 0x5c))
646 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
650 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
651 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
656 static int wm9712_soc_probe(struct platform_device *pdev)
658 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
659 struct snd_soc_codec *codec;
662 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
664 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
665 if (socdev->codec == NULL)
667 codec = socdev->codec;
668 mutex_init(&codec->mutex);
670 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
672 if (codec->reg_cache == NULL) {
676 codec->reg_cache_size = sizeof(wm9712_reg);
677 codec->reg_cache_step = 2;
679 codec->name = "WM9712";
680 codec->owner = THIS_MODULE;
681 codec->dai = wm9712_dai;
682 codec->num_dai = ARRAY_SIZE(wm9712_dai);
683 codec->write = ac97_write;
684 codec->read = ac97_read;
685 codec->dapm_event = wm9712_dapm_event;
686 INIT_LIST_HEAD(&codec->dapm_widgets);
687 INIT_LIST_HEAD(&codec->dapm_paths);
689 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
691 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
696 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
700 ret = wm9712_reset(codec, 0);
702 printk(KERN_ERR "AC97 link error\n");
706 /* set alc mux to none */
707 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
709 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
710 wm9712_add_controls(codec);
711 wm9712_add_widgets(codec);
712 ret = snd_soc_register_card(socdev);
714 printk(KERN_ERR "wm9712: failed to register card\n");
721 snd_soc_free_pcms(socdev);
724 snd_soc_free_ac97_codec(codec);
727 kfree(codec->reg_cache);
730 kfree(socdev->codec);
731 socdev->codec = NULL;
735 static int wm9712_soc_remove(struct platform_device *pdev)
737 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
738 struct snd_soc_codec *codec = socdev->codec;
743 snd_soc_dapm_free(socdev);
744 snd_soc_free_pcms(socdev);
745 snd_soc_free_ac97_codec(codec);
746 kfree(codec->reg_cache);
751 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
752 .probe = wm9712_soc_probe,
753 .remove = wm9712_soc_remove,
754 .suspend = wm9712_soc_suspend,
755 .resume = wm9712_soc_resume,
757 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
759 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
760 MODULE_AUTHOR("Liam Girdwood");
761 MODULE_LICENSE("GPL");