2 * wm9712.c -- ALSA Soc WM9712 codec support
4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
13 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/kernel.h>
16 #include <linux/device.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/ac97_codec.h>
20 #include <sound/initval.h>
21 #include <sound/soc.h>
22 #include <sound/soc-dapm.h>
25 #define WM9712_VERSION "0.4"
27 static unsigned int ac97_read(struct snd_soc_codec
*codec
,
29 static int ac97_write(struct snd_soc_codec
*codec
,
30 unsigned int reg
, unsigned int val
);
33 * WM9712 register cache
35 static const u16 wm9712_reg
[] = {
36 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */
37 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */
38 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
39 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
40 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
41 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
42 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
43 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
44 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
45 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
46 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
47 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
48 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
49 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
50 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
51 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
52 0x0000, 0x0000 /* virtual hp mixers */
55 /* virtual HP mixers regs */
56 #define HPL_MIXER 0x80
57 #define HPR_MIXER 0x82
59 static const char *wm9712_alc_select
[] = {"None", "Left", "Right", "Stereo"};
60 static const char *wm9712_alc_mux
[] = {"Stereo", "Left", "Right", "None"};
61 static const char *wm9712_out3_src
[] = {"Left", "VREF", "Left + Right",
63 static const char *wm9712_spk_src
[] = {"Speaker Mix", "Headphone Mix"};
64 static const char *wm9712_rec_adc
[] = {"Stereo", "Left", "Right", "Mute"};
65 static const char *wm9712_base
[] = {"Linear Control", "Adaptive Boost"};
66 static const char *wm9712_rec_gain
[] = {"+1.5dB Steps", "+0.75dB Steps"};
67 static const char *wm9712_mic
[] = {"Mic 1", "Differential", "Mic 2",
69 static const char *wm9712_rec_sel
[] = {"Mic", "NC", "NC", "Speaker Mixer",
70 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
71 static const char *wm9712_ng_type
[] = {"Constant Gain", "Mute"};
72 static const char *wm9712_diff_sel
[] = {"Mic", "Line"};
74 static const struct soc_enum wm9712_enum
[] = {
75 SOC_ENUM_SINGLE(AC97_PCI_SVID
, 14, 4, wm9712_alc_select
),
76 SOC_ENUM_SINGLE(AC97_VIDEO
, 12, 4, wm9712_alc_mux
),
77 SOC_ENUM_SINGLE(AC97_AUX
, 9, 4, wm9712_out3_src
),
78 SOC_ENUM_SINGLE(AC97_AUX
, 8, 2, wm9712_spk_src
),
79 SOC_ENUM_SINGLE(AC97_REC_SEL
, 12, 4, wm9712_rec_adc
),
80 SOC_ENUM_SINGLE(AC97_MASTER_TONE
, 15, 2, wm9712_base
),
81 SOC_ENUM_DOUBLE(AC97_REC_GAIN
, 14, 6, 2, wm9712_rec_gain
),
82 SOC_ENUM_SINGLE(AC97_MIC
, 5, 4, wm9712_mic
),
83 SOC_ENUM_SINGLE(AC97_REC_SEL
, 8, 8, wm9712_rec_sel
),
84 SOC_ENUM_SINGLE(AC97_REC_SEL
, 0, 8, wm9712_rec_sel
),
85 SOC_ENUM_SINGLE(AC97_PCI_SVID
, 5, 2, wm9712_ng_type
),
86 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel
),
89 static const struct snd_kcontrol_new wm9712_snd_ac97_controls
[] = {
90 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER
, 8, 0, 31, 1),
91 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER
, 15, 1, 1),
92 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE
, 8, 0, 31, 1),
93 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE
, 15, 1, 1),
94 SOC_DOUBLE("PCM Playback Volume", AC97_PCM
, 8, 0, 31, 1),
96 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER
, 7, 1, 0),
97 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER
, 6, 1, 0),
98 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE
, 7, 1, 0),
99 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO
, 7, 1, 0),
100 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO
, 0, 31, 1),
101 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO
, 15, 1, 1),
103 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV
, 12, 15, 0),
104 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV
, 8, 15, 0),
105 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV
, 4, 15, 0),
106 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV
, 0, 15, 0),
107 SOC_ENUM("ALC Function", wm9712_enum
[0]),
108 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID
, 11, 7, 0),
109 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID
, 9, 3, 1),
110 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID
, 8, 1, 0),
111 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID
, 7, 1, 0),
112 SOC_ENUM("ALC NG Type", wm9712_enum
[10]),
113 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID
, 0, 31, 1),
115 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO
, 12, 7, 1),
116 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO
, 7, 7, 1),
118 SOC_SINGLE("Out3 Switch", AC97_AUX
, 15, 1, 1),
119 SOC_SINGLE("Out3 ZC Switch", AC97_AUX
, 7, 1, 1),
120 SOC_SINGLE("Out3 Volume", AC97_AUX
, 0, 31, 1),
122 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP
, 12, 7, 1),
123 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP
, 8, 7, 1),
124 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP
, 4, 7, 1),
126 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD
, 12, 7, 1),
127 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD
, 8, 7, 1),
128 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD
, 4, 7, 1),
130 SOC_SINGLE("Phone Volume", AC97_PHONE
, 0, 15, 1),
131 SOC_DOUBLE("Line Capture Volume", AC97_LINE
, 8, 0, 31, 1),
133 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL
, 14, 1, 0),
134 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL
, 11, 1, 1),
136 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL
, 5, 1, 1),
137 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL
, 4, 1, 1),
138 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL
, 0, 15, 0),
140 SOC_ENUM("Bass Control", wm9712_enum
[5]),
141 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE
, 12, 1, 1),
142 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE
, 4, 1, 1),
143 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE
, 6, 1, 0),
144 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE
, 8, 15, 1),
145 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE
, 0, 15, 1),
147 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN
, 15, 1, 1),
148 SOC_ENUM("Capture Volume Steps", wm9712_enum
[6]),
149 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN
, 8, 0, 63, 1),
150 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN
, 7, 1, 0),
152 SOC_SINGLE("Mic 1 Volume", AC97_MIC
, 8, 31, 1),
153 SOC_SINGLE("Mic 2 Volume", AC97_MIC
, 0, 31, 1),
154 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC
, 7, 1, 0),
157 /* add non dapm controls */
158 static int wm9712_add_controls(struct snd_soc_codec
*codec
)
162 for (i
= 0; i
< ARRAY_SIZE(wm9712_snd_ac97_controls
); i
++) {
163 err
= snd_ctl_add(codec
->card
,
164 snd_soc_cnew(&wm9712_snd_ac97_controls
[i
],
172 /* We have to create a fake left and right HP mixers because
173 * the codec only has a single control that is shared by both channels.
174 * This makes it impossible to determine the audio path.
176 static int mixer_event(struct snd_soc_dapm_widget
*w
,
177 struct snd_kcontrol
*k
, int event
)
179 u16 l
, r
, beep
, line
, phone
, mic
, pcm
, aux
;
181 l
= ac97_read(w
->codec
, HPL_MIXER
);
182 r
= ac97_read(w
->codec
, HPR_MIXER
);
183 beep
= ac97_read(w
->codec
, AC97_PC_BEEP
);
184 mic
= ac97_read(w
->codec
, AC97_VIDEO
);
185 phone
= ac97_read(w
->codec
, AC97_PHONE
);
186 line
= ac97_read(w
->codec
, AC97_LINE
);
187 pcm
= ac97_read(w
->codec
, AC97_PCM
);
188 aux
= ac97_read(w
->codec
, AC97_CD
);
190 if (l
& 0x1 || r
& 0x1)
191 ac97_write(w
->codec
, AC97_VIDEO
, mic
& 0x7fff);
193 ac97_write(w
->codec
, AC97_VIDEO
, mic
| 0x8000);
195 if (l
& 0x2 || r
& 0x2)
196 ac97_write(w
->codec
, AC97_PCM
, pcm
& 0x7fff);
198 ac97_write(w
->codec
, AC97_PCM
, pcm
| 0x8000);
200 if (l
& 0x4 || r
& 0x4)
201 ac97_write(w
->codec
, AC97_LINE
, line
& 0x7fff);
203 ac97_write(w
->codec
, AC97_LINE
, line
| 0x8000);
205 if (l
& 0x8 || r
& 0x8)
206 ac97_write(w
->codec
, AC97_PHONE
, phone
& 0x7fff);
208 ac97_write(w
->codec
, AC97_PHONE
, phone
| 0x8000);
210 if (l
& 0x10 || r
& 0x10)
211 ac97_write(w
->codec
, AC97_CD
, aux
& 0x7fff);
213 ac97_write(w
->codec
, AC97_CD
, aux
| 0x8000);
215 if (l
& 0x20 || r
& 0x20)
216 ac97_write(w
->codec
, AC97_PC_BEEP
, beep
& 0x7fff);
218 ac97_write(w
->codec
, AC97_PC_BEEP
, beep
| 0x8000);
223 /* Left Headphone Mixers */
224 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls
[] = {
225 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER
, 5, 1, 0),
226 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER
, 4, 1, 0),
227 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER
, 3, 1, 0),
228 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER
, 2, 1, 0),
229 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER
, 1, 1, 0),
230 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER
, 0, 1, 0),
233 /* Right Headphone Mixers */
234 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls
[] = {
235 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER
, 5, 1, 0),
236 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER
, 4, 1, 0),
237 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER
, 3, 1, 0),
238 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER
, 2, 1, 0),
239 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER
, 1, 1, 0),
240 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER
, 0, 1, 0),
244 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls
[] = {
245 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP
, 11, 1, 1),
246 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD
, 11, 1, 1),
247 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE
, 14, 1, 1),
248 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE
, 14, 1, 1),
249 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM
, 14, 1, 1),
253 static const struct snd_kcontrol_new wm9712_phone_mixer_controls
[] = {
254 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP
, 7, 1, 1),
255 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD
, 7, 1, 1),
256 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE
, 13, 1, 1),
257 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM
, 13, 1, 1),
258 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC
, 14, 1, 1),
259 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC
, 13, 1, 1),
262 /* ALC headphone mux */
263 static const struct snd_kcontrol_new wm9712_alc_mux_controls
=
264 SOC_DAPM_ENUM("Route", wm9712_enum
[1]);
267 static const struct snd_kcontrol_new wm9712_out3_mux_controls
=
268 SOC_DAPM_ENUM("Route", wm9712_enum
[2]);
271 static const struct snd_kcontrol_new wm9712_spk_mux_controls
=
272 SOC_DAPM_ENUM("Route", wm9712_enum
[3]);
274 /* Capture to Phone mux */
275 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls
=
276 SOC_DAPM_ENUM("Route", wm9712_enum
[4]);
278 /* Capture left select */
279 static const struct snd_kcontrol_new wm9712_capture_selectl_controls
=
280 SOC_DAPM_ENUM("Route", wm9712_enum
[8]);
282 /* Capture right select */
283 static const struct snd_kcontrol_new wm9712_capture_selectr_controls
=
284 SOC_DAPM_ENUM("Route", wm9712_enum
[9]);
287 static const struct snd_kcontrol_new wm9712_mic_src_controls
=
288 SOC_DAPM_ENUM("Route", wm9712_enum
[7]);
291 static const struct snd_kcontrol_new wm9712_diff_sel_controls
=
292 SOC_DAPM_ENUM("Route", wm9712_enum
[11]);
294 static const struct snd_soc_dapm_widget wm9712_dapm_widgets
[] = {
295 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM
, 0, 0,
296 &wm9712_alc_mux_controls
),
297 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM
, 0, 0,
298 &wm9712_out3_mux_controls
),
299 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM
, 0, 0,
300 &wm9712_spk_mux_controls
),
301 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM
, 0, 0,
302 &wm9712_capture_phone_mux_controls
),
303 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM
, 0, 0,
304 &wm9712_capture_selectl_controls
),
305 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM
, 0, 0,
306 &wm9712_capture_selectr_controls
),
307 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM
, 0, 0,
308 &wm9712_mic_src_controls
),
309 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM
, 0, 0,
310 &wm9712_diff_sel_controls
),
311 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM
, 0, 0, NULL
, 0),
312 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING
, 9, 1,
313 &wm9712_hpl_mixer_controls
[0], ARRAY_SIZE(wm9712_hpl_mixer_controls
),
314 mixer_event
, SND_SOC_DAPM_POST_REG
),
315 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING
, 8, 1,
316 &wm9712_hpr_mixer_controls
[0], ARRAY_SIZE(wm9712_hpr_mixer_controls
),
317 mixer_event
, SND_SOC_DAPM_POST_REG
),
318 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING
, 6, 1,
319 &wm9712_phone_mixer_controls
[0], ARRAY_SIZE(wm9712_phone_mixer_controls
)),
320 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING
, 7, 1,
321 &wm9712_speaker_mixer_controls
[0],
322 ARRAY_SIZE(wm9712_speaker_mixer_controls
)),
323 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM
, 0, 0, NULL
, 0),
324 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING
, 14, 1),
325 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING
, 13, 1),
326 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM
, 0, 0),
327 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING
, 12, 1),
328 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING
, 11, 1),
329 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING
, 4, 1, NULL
, 0),
330 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING
, 3, 1, NULL
, 0),
331 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING
, 5, 1, NULL
, 0),
332 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING
, 2, 1, NULL
, 0),
333 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING
, 1, 1, NULL
, 0),
334 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING
, 0, 1, NULL
, 0),
335 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING
, 10, 1),
336 SND_SOC_DAPM_OUTPUT("MONOOUT"),
337 SND_SOC_DAPM_OUTPUT("HPOUTL"),
338 SND_SOC_DAPM_OUTPUT("HPOUTR"),
339 SND_SOC_DAPM_OUTPUT("LOUT2"),
340 SND_SOC_DAPM_OUTPUT("ROUT2"),
341 SND_SOC_DAPM_OUTPUT("OUT3"),
342 SND_SOC_DAPM_INPUT("LINEINL"),
343 SND_SOC_DAPM_INPUT("LINEINR"),
344 SND_SOC_DAPM_INPUT("PHONE"),
345 SND_SOC_DAPM_INPUT("PCBEEP"),
346 SND_SOC_DAPM_INPUT("MIC1"),
347 SND_SOC_DAPM_INPUT("MIC2"),
350 static const struct snd_soc_dapm_route audio_map
[] = {
351 /* virtual mixer - mixes left & right channels for spk and mono */
352 {"AC97 Mixer", NULL
, "Left DAC"},
353 {"AC97 Mixer", NULL
, "Right DAC"},
356 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
357 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
358 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
359 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
360 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
361 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
362 {"Left HP Mixer", NULL
, "ALC Sidetone Mux"},
365 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
366 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
367 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
368 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
369 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
370 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
371 {"Right HP Mixer", NULL
, "ALC Sidetone Mux"},
374 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
375 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
376 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
377 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
378 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
381 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
382 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
383 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
384 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
385 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
386 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
389 {"Line PGA", NULL
, "LINEINL"},
390 {"Line PGA", NULL
, "LINEINR"},
391 {"Phone PGA", NULL
, "PHONE"},
392 {"Mic PGA", NULL
, "MIC1"},
393 {"Mic PGA", NULL
, "MIC2"},
395 /* left capture selector */
396 {"Left Capture Select", "Mic", "MIC1"},
397 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
398 {"Left Capture Select", "Line", "LINEINL"},
399 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
400 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
401 {"Left Capture Select", "Phone", "PHONE"},
403 /* right capture selector */
404 {"Right Capture Select", "Mic", "MIC2"},
405 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
406 {"Right Capture Select", "Line", "LINEINR"},
407 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
408 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
409 {"Right Capture Select", "Phone", "PHONE"},
412 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
413 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
414 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
415 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
418 {"Left ADC", NULL
, "Left Capture Select"},
419 {"Right ADC", NULL
, "Right Capture Select"},
422 {"MONOOUT", NULL
, "Phone Mixer"},
423 {"HPOUTL", NULL
, "Headphone PGA"},
424 {"Headphone PGA", NULL
, "Left HP Mixer"},
425 {"HPOUTR", NULL
, "Headphone PGA"},
426 {"Headphone PGA", NULL
, "Right HP Mixer"},
429 {"Mono Mixer", NULL
, "Left HP Mixer"},
430 {"Mono Mixer", NULL
, "Right HP Mixer"},
433 {"Out3 Mux", "Left", "Left HP Mixer"},
434 {"Out3 Mux", "Mono", "Phone Mixer"},
435 {"Out3 Mux", "Left + Right", "Mono Mixer"},
436 {"Out 3 PGA", NULL
, "Out3 Mux"},
437 {"OUT3", NULL
, "Out 3 PGA"},
440 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
441 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
442 {"Speaker PGA", NULL
, "Speaker Mux"},
443 {"LOUT2", NULL
, "Speaker PGA"},
444 {"ROUT2", NULL
, "Speaker PGA"},
447 static int wm9712_add_widgets(struct snd_soc_codec
*codec
)
449 snd_soc_dapm_new_controls(codec
, wm9712_dapm_widgets
,
450 ARRAY_SIZE(wm9712_dapm_widgets
));
452 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
454 snd_soc_dapm_new_widgets(codec
);
458 static unsigned int ac97_read(struct snd_soc_codec
*codec
,
461 u16
*cache
= codec
->reg_cache
;
463 if (reg
== AC97_RESET
|| reg
== AC97_GPIO_STATUS
||
464 reg
== AC97_VENDOR_ID1
|| reg
== AC97_VENDOR_ID2
||
465 reg
== AC97_REC_GAIN
)
466 return soc_ac97_ops
.read(codec
->ac97
, reg
);
470 if (reg
> (ARRAY_SIZE(wm9712_reg
)))
477 static int ac97_write(struct snd_soc_codec
*codec
, unsigned int reg
,
480 u16
*cache
= codec
->reg_cache
;
482 soc_ac97_ops
.write(codec
->ac97
, reg
, val
);
484 if (reg
<= (ARRAY_SIZE(wm9712_reg
)))
490 static int ac97_prepare(struct snd_pcm_substream
*substream
)
492 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
493 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
494 struct snd_soc_device
*socdev
= rtd
->socdev
;
495 struct snd_soc_codec
*codec
= socdev
->codec
;
499 vra
= ac97_read(codec
, AC97_EXTENDED_STATUS
);
500 ac97_write(codec
, AC97_EXTENDED_STATUS
, vra
| 0x1);
502 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
503 reg
= AC97_PCM_FRONT_DAC_RATE
;
505 reg
= AC97_PCM_LR_ADC_RATE
;
507 return ac97_write(codec
, reg
, runtime
->rate
);
510 static int ac97_aux_prepare(struct snd_pcm_substream
*substream
)
512 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
513 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
514 struct snd_soc_device
*socdev
= rtd
->socdev
;
515 struct snd_soc_codec
*codec
= socdev
->codec
;
518 vra
= ac97_read(codec
, AC97_EXTENDED_STATUS
);
519 ac97_write(codec
, AC97_EXTENDED_STATUS
, vra
| 0x1);
520 xsle
= ac97_read(codec
, AC97_PCI_SID
);
521 ac97_write(codec
, AC97_PCI_SID
, xsle
| 0x8000);
523 if (substream
->stream
!= SNDRV_PCM_STREAM_PLAYBACK
)
526 return ac97_write(codec
, AC97_PCM_SURR_DAC_RATE
, runtime
->rate
);
529 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
530 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
531 SNDRV_PCM_RATE_48000)
533 struct snd_soc_dai wm9712_dai
[] = {
536 .type
= SND_SOC_DAI_AC97_BUS
,
538 .stream_name
= "HiFi Playback",
541 .rates
= WM9712_AC97_RATES
,
542 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
544 .stream_name
= "HiFi Capture",
547 .rates
= WM9712_AC97_RATES
,
548 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
550 .prepare
= ac97_prepare
,},
555 .stream_name
= "Aux Playback",
558 .rates
= WM9712_AC97_RATES
,
559 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,},
561 .prepare
= ac97_aux_prepare
,},
564 EXPORT_SYMBOL_GPL(wm9712_dai
);
566 static int wm9712_set_bias_level(struct snd_soc_codec
*codec
,
567 enum snd_soc_bias_level level
)
570 case SND_SOC_BIAS_ON
:
571 case SND_SOC_BIAS_PREPARE
:
573 case SND_SOC_BIAS_STANDBY
:
574 ac97_write(codec
, AC97_POWERDOWN
, 0x0000);
576 case SND_SOC_BIAS_OFF
:
577 /* disable everything including AC link */
578 ac97_write(codec
, AC97_EXTENDED_MSTATUS
, 0xffff);
579 ac97_write(codec
, AC97_POWERDOWN
, 0xffff);
582 codec
->bias_level
= level
;
586 static int wm9712_reset(struct snd_soc_codec
*codec
, int try_warm
)
588 if (try_warm
&& soc_ac97_ops
.warm_reset
) {
589 soc_ac97_ops
.warm_reset(codec
->ac97
);
590 if (ac97_read(codec
, 0) == wm9712_reg
[0])
594 soc_ac97_ops
.reset(codec
->ac97
);
595 if (ac97_read(codec
, 0) != wm9712_reg
[0])
600 printk(KERN_ERR
"WM9712 AC97 reset failed\n");
604 static int wm9712_soc_suspend(struct platform_device
*pdev
,
607 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
608 struct snd_soc_codec
*codec
= socdev
->codec
;
610 wm9712_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
614 static int wm9712_soc_resume(struct platform_device
*pdev
)
616 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
617 struct snd_soc_codec
*codec
= socdev
->codec
;
619 u16
*cache
= codec
->reg_cache
;
621 ret
= wm9712_reset(codec
, 1);
623 printk(KERN_ERR
"could not reset AC97 codec\n");
627 wm9712_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
630 /* Sync reg_cache with the hardware after cold reset */
631 for (i
= 2; i
< ARRAY_SIZE(wm9712_reg
) << 1; i
+= 2) {
632 if (i
== AC97_INT_PAGING
|| i
== AC97_POWERDOWN
||
633 (i
> 0x58 && i
!= 0x5c))
635 soc_ac97_ops
.write(codec
->ac97
, i
, cache
[i
>>1]);
639 if (codec
->suspend_bias_level
== SND_SOC_BIAS_ON
)
640 wm9712_set_bias_level(codec
, SND_SOC_BIAS_ON
);
645 static int wm9712_soc_probe(struct platform_device
*pdev
)
647 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
648 struct snd_soc_codec
*codec
;
651 printk(KERN_INFO
"WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION
);
653 socdev
->codec
= kzalloc(sizeof(struct snd_soc_codec
), GFP_KERNEL
);
654 if (socdev
->codec
== NULL
)
656 codec
= socdev
->codec
;
657 mutex_init(&codec
->mutex
);
659 codec
->reg_cache
= kmemdup(wm9712_reg
, sizeof(wm9712_reg
), GFP_KERNEL
);
661 if (codec
->reg_cache
== NULL
) {
665 codec
->reg_cache_size
= sizeof(wm9712_reg
);
666 codec
->reg_cache_step
= 2;
668 codec
->name
= "WM9712";
669 codec
->owner
= THIS_MODULE
;
670 codec
->dai
= wm9712_dai
;
671 codec
->num_dai
= ARRAY_SIZE(wm9712_dai
);
672 codec
->write
= ac97_write
;
673 codec
->read
= ac97_read
;
674 codec
->set_bias_level
= wm9712_set_bias_level
;
675 INIT_LIST_HEAD(&codec
->dapm_widgets
);
676 INIT_LIST_HEAD(&codec
->dapm_paths
);
678 ret
= snd_soc_new_ac97_codec(codec
, &soc_ac97_ops
, 0);
680 printk(KERN_ERR
"wm9712: failed to register AC97 codec\n");
685 ret
= snd_soc_new_pcms(socdev
, SNDRV_DEFAULT_IDX1
, SNDRV_DEFAULT_STR1
);
689 ret
= wm9712_reset(codec
, 0);
691 printk(KERN_ERR
"AC97 link error\n");
695 /* set alc mux to none */
696 ac97_write(codec
, AC97_VIDEO
, ac97_read(codec
, AC97_VIDEO
) | 0x3000);
698 wm9712_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
699 wm9712_add_controls(codec
);
700 wm9712_add_widgets(codec
);
701 ret
= snd_soc_register_card(socdev
);
703 printk(KERN_ERR
"wm9712: failed to register card\n");
710 snd_soc_free_pcms(socdev
);
713 snd_soc_free_ac97_codec(codec
);
716 kfree(codec
->reg_cache
);
719 kfree(socdev
->codec
);
720 socdev
->codec
= NULL
;
724 static int wm9712_soc_remove(struct platform_device
*pdev
)
726 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
727 struct snd_soc_codec
*codec
= socdev
->codec
;
732 snd_soc_dapm_free(socdev
);
733 snd_soc_free_pcms(socdev
);
734 snd_soc_free_ac97_codec(codec
);
735 kfree(codec
->reg_cache
);
740 struct snd_soc_codec_device soc_codec_dev_wm9712
= {
741 .probe
= wm9712_soc_probe
,
742 .remove
= wm9712_soc_remove
,
743 .suspend
= wm9712_soc_suspend
,
744 .resume
= wm9712_soc_resume
,
746 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712
);
748 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
749 MODULE_AUTHOR("Liam Girdwood");
750 MODULE_LICENSE("GPL");