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/slab.h>
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/device.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/ac97_codec.h>
21 #include <sound/initval.h>
22 #include <sound/soc.h>
23 #include <sound/tlv.h>
26 static unsigned int ac97_read(struct snd_soc_codec
*codec
,
28 static int ac97_write(struct snd_soc_codec
*codec
,
29 unsigned int reg
, unsigned int val
);
32 * WM9712 register cache
34 static const u16 wm9712_reg
[] = {
35 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */
36 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */
37 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
38 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
39 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
40 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
41 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
42 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
43 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
44 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
45 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
46 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
47 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
48 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
49 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
50 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
51 0x0000, 0x0000 /* virtual hp mixers */
54 /* virtual HP mixers regs */
55 #define HPL_MIXER 0x80
56 #define HPR_MIXER 0x82
58 static const char *wm9712_alc_select
[] = {"None", "Left", "Right", "Stereo"};
59 static const char *wm9712_alc_mux
[] = {"Stereo", "Left", "Right", "None"};
60 static const char *wm9712_out3_src
[] = {"Left", "VREF", "Left + Right",
62 static const char *wm9712_spk_src
[] = {"Speaker Mix", "Headphone Mix"};
63 static const char *wm9712_rec_adc
[] = {"Stereo", "Left", "Right", "Mute"};
64 static const char *wm9712_base
[] = {"Linear Control", "Adaptive Boost"};
65 static const char *wm9712_rec_gain
[] = {"+1.5dB Steps", "+0.75dB Steps"};
66 static const char *wm9712_mic
[] = {"Mic 1", "Differential", "Mic 2",
68 static const char *wm9712_rec_sel
[] = {"Mic", "NC", "NC", "Speaker Mixer",
69 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
70 static const char *wm9712_ng_type
[] = {"Constant Gain", "Mute"};
71 static const char *wm9712_diff_sel
[] = {"Mic", "Line"};
73 static const DECLARE_TLV_DB_SCALE(main_tlv
, -3450, 150, 0);
74 static const DECLARE_TLV_DB_SCALE(boost_tlv
, 0, 2000, 0);
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_TLV("Mic 1 Volume", AC97_MIC
, 8, 31, 1, main_tlv
),
155 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC
, 0, 31, 1, main_tlv
),
156 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC
, 7, 1, 0, boost_tlv
),
159 /* We have to create a fake left and right HP mixers because
160 * the codec only has a single control that is shared by both channels.
161 * This makes it impossible to determine the audio path.
163 static int mixer_event(struct snd_soc_dapm_widget
*w
,
164 struct snd_kcontrol
*k
, int event
)
166 u16 l
, r
, beep
, line
, phone
, mic
, pcm
, aux
;
168 l
= ac97_read(w
->codec
, HPL_MIXER
);
169 r
= ac97_read(w
->codec
, HPR_MIXER
);
170 beep
= ac97_read(w
->codec
, AC97_PC_BEEP
);
171 mic
= ac97_read(w
->codec
, AC97_VIDEO
);
172 phone
= ac97_read(w
->codec
, AC97_PHONE
);
173 line
= ac97_read(w
->codec
, AC97_LINE
);
174 pcm
= ac97_read(w
->codec
, AC97_PCM
);
175 aux
= ac97_read(w
->codec
, AC97_CD
);
177 if (l
& 0x1 || r
& 0x1)
178 ac97_write(w
->codec
, AC97_VIDEO
, mic
& 0x7fff);
180 ac97_write(w
->codec
, AC97_VIDEO
, mic
| 0x8000);
182 if (l
& 0x2 || r
& 0x2)
183 ac97_write(w
->codec
, AC97_PCM
, pcm
& 0x7fff);
185 ac97_write(w
->codec
, AC97_PCM
, pcm
| 0x8000);
187 if (l
& 0x4 || r
& 0x4)
188 ac97_write(w
->codec
, AC97_LINE
, line
& 0x7fff);
190 ac97_write(w
->codec
, AC97_LINE
, line
| 0x8000);
192 if (l
& 0x8 || r
& 0x8)
193 ac97_write(w
->codec
, AC97_PHONE
, phone
& 0x7fff);
195 ac97_write(w
->codec
, AC97_PHONE
, phone
| 0x8000);
197 if (l
& 0x10 || r
& 0x10)
198 ac97_write(w
->codec
, AC97_CD
, aux
& 0x7fff);
200 ac97_write(w
->codec
, AC97_CD
, aux
| 0x8000);
202 if (l
& 0x20 || r
& 0x20)
203 ac97_write(w
->codec
, AC97_PC_BEEP
, beep
& 0x7fff);
205 ac97_write(w
->codec
, AC97_PC_BEEP
, beep
| 0x8000);
210 /* Left Headphone Mixers */
211 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls
[] = {
212 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER
, 5, 1, 0),
213 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER
, 4, 1, 0),
214 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER
, 3, 1, 0),
215 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER
, 2, 1, 0),
216 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER
, 1, 1, 0),
217 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER
, 0, 1, 0),
220 /* Right Headphone Mixers */
221 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls
[] = {
222 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER
, 5, 1, 0),
223 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER
, 4, 1, 0),
224 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER
, 3, 1, 0),
225 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER
, 2, 1, 0),
226 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER
, 1, 1, 0),
227 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER
, 0, 1, 0),
231 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls
[] = {
232 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP
, 11, 1, 1),
233 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD
, 11, 1, 1),
234 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE
, 14, 1, 1),
235 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE
, 14, 1, 1),
236 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM
, 14, 1, 1),
240 static const struct snd_kcontrol_new wm9712_phone_mixer_controls
[] = {
241 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP
, 7, 1, 1),
242 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD
, 7, 1, 1),
243 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE
, 13, 1, 1),
244 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM
, 13, 1, 1),
245 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC
, 14, 1, 1),
246 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC
, 13, 1, 1),
249 /* ALC headphone mux */
250 static const struct snd_kcontrol_new wm9712_alc_mux_controls
=
251 SOC_DAPM_ENUM("Route", wm9712_enum
[1]);
254 static const struct snd_kcontrol_new wm9712_out3_mux_controls
=
255 SOC_DAPM_ENUM("Route", wm9712_enum
[2]);
258 static const struct snd_kcontrol_new wm9712_spk_mux_controls
=
259 SOC_DAPM_ENUM("Route", wm9712_enum
[3]);
261 /* Capture to Phone mux */
262 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls
=
263 SOC_DAPM_ENUM("Route", wm9712_enum
[4]);
265 /* Capture left select */
266 static const struct snd_kcontrol_new wm9712_capture_selectl_controls
=
267 SOC_DAPM_ENUM("Route", wm9712_enum
[8]);
269 /* Capture right select */
270 static const struct snd_kcontrol_new wm9712_capture_selectr_controls
=
271 SOC_DAPM_ENUM("Route", wm9712_enum
[9]);
274 static const struct snd_kcontrol_new wm9712_mic_src_controls
=
275 SOC_DAPM_ENUM("Route", wm9712_enum
[7]);
278 static const struct snd_kcontrol_new wm9712_diff_sel_controls
=
279 SOC_DAPM_ENUM("Route", wm9712_enum
[11]);
281 static const struct snd_soc_dapm_widget wm9712_dapm_widgets
[] = {
282 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM
, 0, 0,
283 &wm9712_alc_mux_controls
),
284 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM
, 0, 0,
285 &wm9712_out3_mux_controls
),
286 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM
, 0, 0,
287 &wm9712_spk_mux_controls
),
288 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM
, 0, 0,
289 &wm9712_capture_phone_mux_controls
),
290 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM
, 0, 0,
291 &wm9712_capture_selectl_controls
),
292 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM
, 0, 0,
293 &wm9712_capture_selectr_controls
),
294 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM
, 0, 0,
295 &wm9712_mic_src_controls
),
296 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM
, 0, 0,
297 &wm9712_diff_sel_controls
),
298 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM
, 0, 0, NULL
, 0),
299 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING
, 9, 1,
300 &wm9712_hpl_mixer_controls
[0], ARRAY_SIZE(wm9712_hpl_mixer_controls
),
301 mixer_event
, SND_SOC_DAPM_POST_REG
),
302 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING
, 8, 1,
303 &wm9712_hpr_mixer_controls
[0], ARRAY_SIZE(wm9712_hpr_mixer_controls
),
304 mixer_event
, SND_SOC_DAPM_POST_REG
),
305 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING
, 6, 1,
306 &wm9712_phone_mixer_controls
[0], ARRAY_SIZE(wm9712_phone_mixer_controls
)),
307 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING
, 7, 1,
308 &wm9712_speaker_mixer_controls
[0],
309 ARRAY_SIZE(wm9712_speaker_mixer_controls
)),
310 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM
, 0, 0, NULL
, 0),
311 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING
, 14, 1),
312 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING
, 13, 1),
313 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM
, 0, 0),
314 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING
, 12, 1),
315 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING
, 11, 1),
316 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING
, 4, 1, NULL
, 0),
317 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING
, 3, 1, NULL
, 0),
318 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING
, 5, 1, NULL
, 0),
319 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING
, 2, 1, NULL
, 0),
320 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING
, 1, 1, NULL
, 0),
321 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING
, 0, 1, NULL
, 0),
322 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING
, 10, 1),
323 SND_SOC_DAPM_OUTPUT("MONOOUT"),
324 SND_SOC_DAPM_OUTPUT("HPOUTL"),
325 SND_SOC_DAPM_OUTPUT("HPOUTR"),
326 SND_SOC_DAPM_OUTPUT("LOUT2"),
327 SND_SOC_DAPM_OUTPUT("ROUT2"),
328 SND_SOC_DAPM_OUTPUT("OUT3"),
329 SND_SOC_DAPM_INPUT("LINEINL"),
330 SND_SOC_DAPM_INPUT("LINEINR"),
331 SND_SOC_DAPM_INPUT("PHONE"),
332 SND_SOC_DAPM_INPUT("PCBEEP"),
333 SND_SOC_DAPM_INPUT("MIC1"),
334 SND_SOC_DAPM_INPUT("MIC2"),
337 static const struct snd_soc_dapm_route wm9712_audio_map
[] = {
338 /* virtual mixer - mixes left & right channels for spk and mono */
339 {"AC97 Mixer", NULL
, "Left DAC"},
340 {"AC97 Mixer", NULL
, "Right DAC"},
343 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
344 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
345 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
346 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
347 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
348 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
349 {"Left HP Mixer", NULL
, "ALC Sidetone Mux"},
352 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
353 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
354 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
355 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
356 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
357 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
358 {"Right HP Mixer", NULL
, "ALC Sidetone Mux"},
361 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
362 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
363 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
364 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
365 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
368 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
369 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
370 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
371 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
372 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
373 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
376 {"Line PGA", NULL
, "LINEINL"},
377 {"Line PGA", NULL
, "LINEINR"},
378 {"Phone PGA", NULL
, "PHONE"},
379 {"Mic PGA", NULL
, "MIC1"},
380 {"Mic PGA", NULL
, "MIC2"},
382 /* left capture selector */
383 {"Left Capture Select", "Mic", "MIC1"},
384 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
385 {"Left Capture Select", "Line", "LINEINL"},
386 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
387 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
388 {"Left Capture Select", "Phone", "PHONE"},
390 /* right capture selector */
391 {"Right Capture Select", "Mic", "MIC2"},
392 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
393 {"Right Capture Select", "Line", "LINEINR"},
394 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
395 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
396 {"Right Capture Select", "Phone", "PHONE"},
399 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
400 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
401 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
402 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
405 {"Left ADC", NULL
, "Left Capture Select"},
406 {"Right ADC", NULL
, "Right Capture Select"},
409 {"MONOOUT", NULL
, "Phone Mixer"},
410 {"HPOUTL", NULL
, "Headphone PGA"},
411 {"Headphone PGA", NULL
, "Left HP Mixer"},
412 {"HPOUTR", NULL
, "Headphone PGA"},
413 {"Headphone PGA", NULL
, "Right HP Mixer"},
416 {"Mono Mixer", NULL
, "Left HP Mixer"},
417 {"Mono Mixer", NULL
, "Right HP Mixer"},
420 {"Out3 Mux", "Left", "Left HP Mixer"},
421 {"Out3 Mux", "Mono", "Phone Mixer"},
422 {"Out3 Mux", "Left + Right", "Mono Mixer"},
423 {"Out 3 PGA", NULL
, "Out3 Mux"},
424 {"OUT3", NULL
, "Out 3 PGA"},
427 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
428 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
429 {"Speaker PGA", NULL
, "Speaker Mux"},
430 {"LOUT2", NULL
, "Speaker PGA"},
431 {"ROUT2", NULL
, "Speaker PGA"},
434 static unsigned int ac97_read(struct snd_soc_codec
*codec
,
437 u16
*cache
= codec
->reg_cache
;
439 if (reg
== AC97_RESET
|| reg
== AC97_GPIO_STATUS
||
440 reg
== AC97_VENDOR_ID1
|| reg
== AC97_VENDOR_ID2
||
441 reg
== AC97_REC_GAIN
)
442 return soc_ac97_ops
.read(codec
->ac97
, reg
);
446 if (reg
>= (ARRAY_SIZE(wm9712_reg
)))
453 static int ac97_write(struct snd_soc_codec
*codec
, unsigned int reg
,
456 u16
*cache
= codec
->reg_cache
;
459 soc_ac97_ops
.write(codec
->ac97
, reg
, val
);
461 if (reg
< (ARRAY_SIZE(wm9712_reg
)))
467 static int ac97_prepare(struct snd_pcm_substream
*substream
,
468 struct snd_soc_dai
*dai
)
470 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
471 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
472 struct snd_soc_codec
*codec
=rtd
->codec
;
476 vra
= ac97_read(codec
, AC97_EXTENDED_STATUS
);
477 ac97_write(codec
, AC97_EXTENDED_STATUS
, vra
| 0x1);
479 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
480 reg
= AC97_PCM_FRONT_DAC_RATE
;
482 reg
= AC97_PCM_LR_ADC_RATE
;
484 return ac97_write(codec
, reg
, runtime
->rate
);
487 static int ac97_aux_prepare(struct snd_pcm_substream
*substream
,
488 struct snd_soc_dai
*dai
)
490 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
491 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
492 struct snd_soc_codec
*codec
= rtd
->codec
;
495 vra
= ac97_read(codec
, AC97_EXTENDED_STATUS
);
496 ac97_write(codec
, AC97_EXTENDED_STATUS
, vra
| 0x1);
497 xsle
= ac97_read(codec
, AC97_PCI_SID
);
498 ac97_write(codec
, AC97_PCI_SID
, xsle
| 0x8000);
500 if (substream
->stream
!= SNDRV_PCM_STREAM_PLAYBACK
)
503 return ac97_write(codec
, AC97_PCM_SURR_DAC_RATE
, runtime
->rate
);
506 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
507 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
508 SNDRV_PCM_RATE_48000)
510 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi
= {
511 .prepare
= ac97_prepare
,
514 static const struct snd_soc_dai_ops wm9712_dai_ops_aux
= {
515 .prepare
= ac97_aux_prepare
,
518 static struct snd_soc_dai_driver wm9712_dai
[] = {
520 .name
= "wm9712-hifi",
523 .stream_name
= "HiFi Playback",
526 .rates
= WM9712_AC97_RATES
,
527 .formats
= SND_SOC_STD_AC97_FMTS
,},
529 .stream_name
= "HiFi Capture",
532 .rates
= WM9712_AC97_RATES
,
533 .formats
= SND_SOC_STD_AC97_FMTS
,},
534 .ops
= &wm9712_dai_ops_hifi
,
537 .name
= "wm9712-aux",
539 .stream_name
= "Aux Playback",
542 .rates
= WM9712_AC97_RATES
,
543 .formats
= SND_SOC_STD_AC97_FMTS
,},
544 .ops
= &wm9712_dai_ops_aux
,
548 static int wm9712_set_bias_level(struct snd_soc_codec
*codec
,
549 enum snd_soc_bias_level level
)
552 case SND_SOC_BIAS_ON
:
553 case SND_SOC_BIAS_PREPARE
:
555 case SND_SOC_BIAS_STANDBY
:
556 ac97_write(codec
, AC97_POWERDOWN
, 0x0000);
558 case SND_SOC_BIAS_OFF
:
559 /* disable everything including AC link */
560 ac97_write(codec
, AC97_EXTENDED_MSTATUS
, 0xffff);
561 ac97_write(codec
, AC97_POWERDOWN
, 0xffff);
564 codec
->dapm
.bias_level
= level
;
568 static int wm9712_reset(struct snd_soc_codec
*codec
, int try_warm
)
570 if (try_warm
&& soc_ac97_ops
.warm_reset
) {
571 soc_ac97_ops
.warm_reset(codec
->ac97
);
572 if (ac97_read(codec
, 0) == wm9712_reg
[0])
576 soc_ac97_ops
.reset(codec
->ac97
);
577 if (soc_ac97_ops
.warm_reset
)
578 soc_ac97_ops
.warm_reset(codec
->ac97
);
579 if (ac97_read(codec
, 0) != wm9712_reg
[0])
584 printk(KERN_ERR
"WM9712 AC97 reset failed\n");
588 static int wm9712_soc_suspend(struct snd_soc_codec
*codec
)
590 wm9712_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
594 static int wm9712_soc_resume(struct snd_soc_codec
*codec
)
597 u16
*cache
= codec
->reg_cache
;
599 ret
= wm9712_reset(codec
, 1);
601 printk(KERN_ERR
"could not reset AC97 codec\n");
605 wm9712_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
608 /* Sync reg_cache with the hardware after cold reset */
609 for (i
= 2; i
< ARRAY_SIZE(wm9712_reg
) << 1; i
+= 2) {
610 if (i
== AC97_INT_PAGING
|| i
== AC97_POWERDOWN
||
611 (i
> 0x58 && i
!= 0x5c))
613 soc_ac97_ops
.write(codec
->ac97
, i
, cache
[i
>>1]);
620 static int wm9712_soc_probe(struct snd_soc_codec
*codec
)
624 ret
= snd_soc_new_ac97_codec(codec
, &soc_ac97_ops
, 0);
626 printk(KERN_ERR
"wm9712: failed to register AC97 codec\n");
630 ret
= wm9712_reset(codec
, 0);
632 printk(KERN_ERR
"Failed to reset WM9712: AC97 link error\n");
636 /* set alc mux to none */
637 ac97_write(codec
, AC97_VIDEO
, ac97_read(codec
, AC97_VIDEO
) | 0x3000);
639 wm9712_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
640 snd_soc_add_controls(codec
, wm9712_snd_ac97_controls
,
641 ARRAY_SIZE(wm9712_snd_ac97_controls
));
646 snd_soc_free_ac97_codec(codec
);
650 static int wm9712_soc_remove(struct snd_soc_codec
*codec
)
652 snd_soc_free_ac97_codec(codec
);
656 static struct snd_soc_codec_driver soc_codec_dev_wm9712
= {
657 .probe
= wm9712_soc_probe
,
658 .remove
= wm9712_soc_remove
,
659 .suspend
= wm9712_soc_suspend
,
660 .resume
= wm9712_soc_resume
,
663 .set_bias_level
= wm9712_set_bias_level
,
664 .reg_cache_size
= ARRAY_SIZE(wm9712_reg
),
665 .reg_word_size
= sizeof(u16
),
667 .reg_cache_default
= wm9712_reg
,
668 .dapm_widgets
= wm9712_dapm_widgets
,
669 .num_dapm_widgets
= ARRAY_SIZE(wm9712_dapm_widgets
),
670 .dapm_routes
= wm9712_audio_map
,
671 .num_dapm_routes
= ARRAY_SIZE(wm9712_audio_map
),
674 static __devinit
int wm9712_probe(struct platform_device
*pdev
)
676 return snd_soc_register_codec(&pdev
->dev
,
677 &soc_codec_dev_wm9712
, wm9712_dai
, ARRAY_SIZE(wm9712_dai
));
680 static int __devexit
wm9712_remove(struct platform_device
*pdev
)
682 snd_soc_unregister_codec(&pdev
->dev
);
686 static struct platform_driver wm9712_codec_driver
= {
688 .name
= "wm9712-codec",
689 .owner
= THIS_MODULE
,
692 .probe
= wm9712_probe
,
693 .remove
= __devexit_p(wm9712_remove
),
696 module_platform_driver(wm9712_codec_driver
);
698 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
699 MODULE_AUTHOR("Liam Girdwood");
700 MODULE_LICENSE("GPL");