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 #include <linux/init.h>
15 #include <linux/module.h>
16 #include <linux/version.h>
17 #include <linux/kernel.h>
18 #include <linux/device.h>
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>
27 #define WM9712_VERSION "0.4"
29 static unsigned int ac97_read(struct snd_soc_codec *codec,
31 static int ac97_write(struct snd_soc_codec *codec,
32 unsigned int reg, unsigned int val);
35 * WM9712 register cache
37 static const u16 wm9712_reg[] = {
38 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */
39 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */
40 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
41 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
42 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
43 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
44 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
45 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
46 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
47 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
48 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
49 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
50 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
51 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
52 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
53 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
54 0x0000, 0x0000 /* virtual hp mixers */
57 /* virtual HP mixers regs */
58 #define HPL_MIXER 0x80
59 #define HPR_MIXER 0x82
61 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
62 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
63 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
65 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
66 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
67 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
68 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
69 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
71 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
72 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
73 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
74 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
76 static const struct soc_enum wm9712_enum[] = {
77 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
78 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
79 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
80 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
81 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
82 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
83 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
84 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
85 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
86 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
87 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
88 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
91 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
92 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
93 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
94 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
95 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
96 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
98 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
99 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
100 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
101 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
102 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
103 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
105 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
106 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
107 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
108 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
109 SOC_ENUM("ALC Function", wm9712_enum[0]),
110 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
111 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
112 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
113 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
114 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
115 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
117 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
118 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
120 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
121 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
122 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
124 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
125 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
126 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
128 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
129 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
130 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
132 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
133 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
135 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
136 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
138 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
139 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
140 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
142 SOC_ENUM("Bass Control", wm9712_enum[5]),
143 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
144 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
145 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
146 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
147 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
149 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
150 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
151 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
152 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
154 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
155 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
156 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
159 /* add non dapm controls */
160 static int wm9712_add_controls(struct snd_soc_codec *codec)
164 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
165 err = snd_ctl_add(codec->card,
166 snd_soc_cnew(&wm9712_snd_ac97_controls[i],
174 /* We have to create a fake left and right HP mixers because
175 * the codec only has a single control that is shared by both channels.
176 * This makes it impossible to determine the audio path.
178 static int mixer_event(struct snd_soc_dapm_widget *w,
179 struct snd_kcontrol *k, int event)
181 u16 l, r, beep, line, phone, mic, pcm, aux;
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);
192 if (l & 0x1 || r & 0x1)
193 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
195 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
197 if (l & 0x2 || r & 0x2)
198 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
200 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
202 if (l & 0x4 || r & 0x4)
203 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
205 ac97_write(w->codec, AC97_LINE, line | 0x8000);
207 if (l & 0x8 || r & 0x8)
208 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
210 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
212 if (l & 0x10 || r & 0x10)
213 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
215 ac97_write(w->codec, AC97_CD, aux | 0x8000);
217 if (l & 0x20 || r & 0x20)
218 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
220 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
225 /* Left Headphone Mixers */
226 static 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),
235 /* Right Headphone Mixers */
236 static 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),
246 static 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),
255 static 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),
264 /* ALC headphone mux */
265 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
266 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
269 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
270 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
273 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
274 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
276 /* Capture to Phone mux */
277 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
278 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
280 /* Capture left select */
281 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
282 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
284 /* Capture right select */
285 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
286 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
289 static const struct snd_kcontrol_new wm9712_mic_src_controls =
290 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
293 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
294 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
296 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
297 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
298 &wm9712_alc_mux_controls),
299 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
300 &wm9712_out3_mux_controls),
301 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
302 &wm9712_spk_mux_controls),
303 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
304 &wm9712_capture_phone_mux_controls),
305 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
306 &wm9712_capture_selectl_controls),
307 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
308 &wm9712_capture_selectr_controls),
309 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
310 &wm9712_mic_src_controls),
311 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
312 &wm9712_diff_sel_controls),
313 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
314 SND_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),
317 SND_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),
320 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
321 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
322 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
323 &wm9712_speaker_mixer_controls[0],
324 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
325 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
326 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
327 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
328 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
329 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
330 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
331 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
332 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
333 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
334 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
335 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
336 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
337 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
338 SND_SOC_DAPM_OUTPUT("MONOOUT"),
339 SND_SOC_DAPM_OUTPUT("HPOUTL"),
340 SND_SOC_DAPM_OUTPUT("HPOUTR"),
341 SND_SOC_DAPM_OUTPUT("LOUT2"),
342 SND_SOC_DAPM_OUTPUT("ROUT2"),
343 SND_SOC_DAPM_OUTPUT("OUT3"),
344 SND_SOC_DAPM_INPUT("LINEINL"),
345 SND_SOC_DAPM_INPUT("LINEINR"),
346 SND_SOC_DAPM_INPUT("PHONE"),
347 SND_SOC_DAPM_INPUT("PCBEEP"),
348 SND_SOC_DAPM_INPUT("MIC1"),
349 SND_SOC_DAPM_INPUT("MIC2"),
352 static const struct snd_soc_dapm_route audio_map[] = {
353 /* virtual mixer - mixes left & right channels for spk and mono */
354 {"AC97 Mixer", NULL, "Left DAC"},
355 {"AC97 Mixer", NULL, "Right DAC"},
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"},
367 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
368 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
369 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
370 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
371 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
372 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
373 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
376 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
377 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
378 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
379 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
380 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
383 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
384 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
385 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
386 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
387 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
388 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
391 {"Line PGA", NULL, "LINEINL"},
392 {"Line PGA", NULL, "LINEINR"},
393 {"Phone PGA", NULL, "PHONE"},
394 {"Mic PGA", NULL, "MIC1"},
395 {"Mic PGA", NULL, "MIC2"},
397 /* left capture selector */
398 {"Left Capture Select", "Mic", "MIC1"},
399 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
400 {"Left Capture Select", "Line", "LINEINL"},
401 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
402 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
403 {"Left Capture Select", "Phone", "PHONE"},
405 /* right capture selector */
406 {"Right Capture Select", "Mic", "MIC2"},
407 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
408 {"Right Capture Select", "Line", "LINEINR"},
409 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
410 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
411 {"Right Capture Select", "Phone", "PHONE"},
414 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
415 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
416 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
417 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
420 {"Left ADC", NULL, "Left Capture Select"},
421 {"Right ADC", NULL, "Right Capture Select"},
424 {"MONOOUT", NULL, "Phone Mixer"},
425 {"HPOUTL", NULL, "Headphone PGA"},
426 {"Headphone PGA", NULL, "Left HP Mixer"},
427 {"HPOUTR", NULL, "Headphone PGA"},
428 {"Headphone PGA", NULL, "Right HP Mixer"},
431 {"Mono Mixer", NULL, "Left HP Mixer"},
432 {"Mono Mixer", NULL, "Right HP Mixer"},
435 {"Out3 Mux", "Left", "Left HP Mixer"},
436 {"Out3 Mux", "Mono", "Phone Mixer"},
437 {"Out3 Mux", "Left + Right", "Mono Mixer"},
438 {"Out 3 PGA", NULL, "Out3 Mux"},
439 {"OUT3", NULL, "Out 3 PGA"},
442 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
443 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
444 {"Speaker PGA", NULL, "Speaker Mux"},
445 {"LOUT2", NULL, "Speaker PGA"},
446 {"ROUT2", NULL, "Speaker PGA"},
449 static int wm9712_add_widgets(struct snd_soc_codec *codec)
451 snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets,
452 ARRAY_SIZE(wm9712_dapm_widgets));
454 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
456 snd_soc_dapm_new_widgets(codec);
460 static unsigned int ac97_read(struct snd_soc_codec *codec,
463 u16 *cache = codec->reg_cache;
465 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
466 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
467 reg == AC97_REC_GAIN)
468 return soc_ac97_ops.read(codec->ac97, reg);
472 if (reg > (ARRAY_SIZE(wm9712_reg)))
479 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
482 u16 *cache = codec->reg_cache;
484 soc_ac97_ops.write(codec->ac97, reg, val);
486 if (reg <= (ARRAY_SIZE(wm9712_reg)))
492 static int ac97_prepare(struct snd_pcm_substream *substream)
494 struct snd_pcm_runtime *runtime = substream->runtime;
495 struct snd_soc_pcm_runtime *rtd = substream->private_data;
496 struct snd_soc_device *socdev = rtd->socdev;
497 struct snd_soc_codec *codec = socdev->codec;
501 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
502 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
504 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
505 reg = AC97_PCM_FRONT_DAC_RATE;
507 reg = AC97_PCM_LR_ADC_RATE;
509 return ac97_write(codec, reg, runtime->rate);
512 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
514 struct snd_pcm_runtime *runtime = substream->runtime;
515 struct snd_soc_pcm_runtime *rtd = substream->private_data;
516 struct snd_soc_device *socdev = rtd->socdev;
517 struct snd_soc_codec *codec = socdev->codec;
520 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
521 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
522 xsle = ac97_read(codec, AC97_PCI_SID);
523 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
525 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
528 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
531 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
532 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
533 SNDRV_PCM_RATE_48000)
535 struct snd_soc_dai wm9712_dai[] = {
538 .type = SND_SOC_DAI_AC97_BUS,
540 .stream_name = "HiFi Playback",
543 .rates = WM9712_AC97_RATES,
544 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
546 .stream_name = "HiFi Capture",
549 .rates = WM9712_AC97_RATES,
550 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
552 .prepare = ac97_prepare,},
557 .stream_name = "Aux Playback",
560 .rates = WM9712_AC97_RATES,
561 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
563 .prepare = ac97_aux_prepare,},
566 EXPORT_SYMBOL_GPL(wm9712_dai);
568 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
569 enum snd_soc_bias_level level)
572 case SND_SOC_BIAS_ON:
573 case SND_SOC_BIAS_PREPARE:
575 case SND_SOC_BIAS_STANDBY:
576 ac97_write(codec, AC97_POWERDOWN, 0x0000);
578 case SND_SOC_BIAS_OFF:
579 /* disable everything including AC link */
580 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
581 ac97_write(codec, AC97_POWERDOWN, 0xffff);
584 codec->bias_level = level;
588 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
590 if (try_warm && soc_ac97_ops.warm_reset) {
591 soc_ac97_ops.warm_reset(codec->ac97);
592 if (ac97_read(codec, 0) == wm9712_reg[0])
596 soc_ac97_ops.reset(codec->ac97);
597 if (ac97_read(codec, 0) != wm9712_reg[0])
602 printk(KERN_ERR "WM9712 AC97 reset failed\n");
606 static int wm9712_soc_suspend(struct platform_device *pdev,
609 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
610 struct snd_soc_codec *codec = socdev->codec;
612 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
616 static int wm9712_soc_resume(struct platform_device *pdev)
618 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
619 struct snd_soc_codec *codec = socdev->codec;
621 u16 *cache = codec->reg_cache;
623 ret = wm9712_reset(codec, 1);
625 printk(KERN_ERR "could not reset AC97 codec\n");
629 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
632 /* Sync reg_cache with the hardware after cold reset */
633 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
634 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
635 (i > 0x58 && i != 0x5c))
637 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
641 if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
642 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON);
647 static int wm9712_soc_probe(struct platform_device *pdev)
649 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
650 struct snd_soc_codec *codec;
653 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
655 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
656 if (socdev->codec == NULL)
658 codec = socdev->codec;
659 mutex_init(&codec->mutex);
661 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
663 if (codec->reg_cache == NULL) {
667 codec->reg_cache_size = sizeof(wm9712_reg);
668 codec->reg_cache_step = 2;
670 codec->name = "WM9712";
671 codec->owner = THIS_MODULE;
672 codec->dai = wm9712_dai;
673 codec->num_dai = ARRAY_SIZE(wm9712_dai);
674 codec->write = ac97_write;
675 codec->read = ac97_read;
676 codec->set_bias_level = wm9712_set_bias_level;
677 INIT_LIST_HEAD(&codec->dapm_widgets);
678 INIT_LIST_HEAD(&codec->dapm_paths);
680 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
682 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
687 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
691 ret = wm9712_reset(codec, 0);
693 printk(KERN_ERR "AC97 link error\n");
697 /* set alc mux to none */
698 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
700 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
701 wm9712_add_controls(codec);
702 wm9712_add_widgets(codec);
703 ret = snd_soc_register_card(socdev);
705 printk(KERN_ERR "wm9712: failed to register card\n");
712 snd_soc_free_pcms(socdev);
715 snd_soc_free_ac97_codec(codec);
718 kfree(codec->reg_cache);
721 kfree(socdev->codec);
722 socdev->codec = NULL;
726 static int wm9712_soc_remove(struct platform_device *pdev)
728 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
729 struct snd_soc_codec *codec = socdev->codec;
734 snd_soc_dapm_free(socdev);
735 snd_soc_free_pcms(socdev);
736 snd_soc_free_ac97_codec(codec);
737 kfree(codec->reg_cache);
742 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
743 .probe = wm9712_soc_probe,
744 .remove = wm9712_soc_remove,
745 .suspend = wm9712_soc_suspend,
746 .resume = wm9712_soc_resume,
748 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
750 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
751 MODULE_AUTHOR("Liam Girdwood");
752 MODULE_LICENSE("GPL");