2 * wm9712.c -- ALSA Soc WM9712 codec support
4 * Copyright 2006-12 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_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
136 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
139 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
140 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
141 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
143 SOC_ENUM("Bass Control", wm9712_enum[5]),
144 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
145 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
146 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
147 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
148 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
150 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
151 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
152 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
153 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
155 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
156 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
157 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
160 /* We have to create a fake left and right HP mixers because
161 * the codec only has a single control that is shared by both channels.
162 * This makes it impossible to determine the audio path.
164 static int mixer_event(struct snd_soc_dapm_widget *w,
165 struct snd_kcontrol *k, int event)
167 u16 l, r, beep, line, phone, mic, pcm, aux;
169 l = ac97_read(w->codec, HPL_MIXER);
170 r = ac97_read(w->codec, HPR_MIXER);
171 beep = ac97_read(w->codec, AC97_PC_BEEP);
172 mic = ac97_read(w->codec, AC97_VIDEO);
173 phone = ac97_read(w->codec, AC97_PHONE);
174 line = ac97_read(w->codec, AC97_LINE);
175 pcm = ac97_read(w->codec, AC97_PCM);
176 aux = ac97_read(w->codec, AC97_CD);
178 if (l & 0x1 || r & 0x1)
179 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
181 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
183 if (l & 0x2 || r & 0x2)
184 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
186 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
188 if (l & 0x4 || r & 0x4)
189 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
191 ac97_write(w->codec, AC97_LINE, line | 0x8000);
193 if (l & 0x8 || r & 0x8)
194 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
196 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
198 if (l & 0x10 || r & 0x10)
199 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
201 ac97_write(w->codec, AC97_CD, aux | 0x8000);
203 if (l & 0x20 || r & 0x20)
204 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
206 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
211 /* Left Headphone Mixers */
212 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
213 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
214 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
215 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
216 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
217 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
218 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
221 /* Right Headphone Mixers */
222 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
223 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
224 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
225 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
226 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
227 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
228 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
232 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
233 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
234 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
235 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
236 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
237 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
241 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
242 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
243 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
244 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
245 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
246 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
247 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
250 /* ALC headphone mux */
251 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
252 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
255 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
256 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
259 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
260 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
262 /* Capture to Phone mux */
263 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
264 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
266 /* Capture left select */
267 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
268 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
270 /* Capture right select */
271 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
272 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
275 static const struct snd_kcontrol_new wm9712_mic_src_controls =
276 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
279 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
280 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
282 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
283 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
284 &wm9712_alc_mux_controls),
285 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
286 &wm9712_out3_mux_controls),
287 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
288 &wm9712_spk_mux_controls),
289 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
290 &wm9712_capture_phone_mux_controls),
291 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
292 &wm9712_capture_selectl_controls),
293 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
294 &wm9712_capture_selectr_controls),
295 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
296 &wm9712_mic_src_controls),
297 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
298 &wm9712_mic_src_controls),
299 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
300 &wm9712_diff_sel_controls),
301 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
302 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
303 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
304 mixer_event, SND_SOC_DAPM_POST_REG),
305 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
306 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
307 mixer_event, SND_SOC_DAPM_POST_REG),
308 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
309 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
310 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
311 &wm9712_speaker_mixer_controls[0],
312 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
313 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
314 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
315 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
316 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
317 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
318 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
319 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
320 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
321 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
322 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
323 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
324 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
325 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
326 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
327 SND_SOC_DAPM_OUTPUT("MONOOUT"),
328 SND_SOC_DAPM_OUTPUT("HPOUTL"),
329 SND_SOC_DAPM_OUTPUT("HPOUTR"),
330 SND_SOC_DAPM_OUTPUT("LOUT2"),
331 SND_SOC_DAPM_OUTPUT("ROUT2"),
332 SND_SOC_DAPM_OUTPUT("OUT3"),
333 SND_SOC_DAPM_INPUT("LINEINL"),
334 SND_SOC_DAPM_INPUT("LINEINR"),
335 SND_SOC_DAPM_INPUT("PHONE"),
336 SND_SOC_DAPM_INPUT("PCBEEP"),
337 SND_SOC_DAPM_INPUT("MIC1"),
338 SND_SOC_DAPM_INPUT("MIC2"),
341 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
342 /* virtual mixer - mixes left & right channels for spk and mono */
343 {"AC97 Mixer", NULL, "Left DAC"},
344 {"AC97 Mixer", NULL, "Right DAC"},
347 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
348 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
349 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
350 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
351 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
352 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
353 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
356 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
357 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
358 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
359 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
360 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
361 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
362 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
365 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
366 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
367 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
368 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
369 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
372 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
373 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
374 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
375 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
376 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
377 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
380 {"Line PGA", NULL, "LINEINL"},
381 {"Line PGA", NULL, "LINEINR"},
382 {"Phone PGA", NULL, "PHONE"},
383 {"Mic PGA", NULL, "MIC1"},
384 {"Mic PGA", NULL, "MIC2"},
387 {"Differential Mic", NULL, "MIC1"},
388 {"Differential Mic", NULL, "MIC2"},
389 {"Left Mic Select Source", "Mic 1", "MIC1"},
390 {"Left Mic Select Source", "Mic 2", "MIC2"},
391 {"Left Mic Select Source", "Stereo", "MIC1"},
392 {"Left Mic Select Source", "Differential", "Differential Mic"},
393 {"Right Mic Select Source", "Mic 1", "MIC1"},
394 {"Right Mic Select Source", "Mic 2", "MIC2"},
395 {"Right Mic Select Source", "Stereo", "MIC2"},
396 {"Right Mic Select Source", "Differential", "Differential Mic"},
398 /* left capture selector */
399 {"Left Capture Select", "Mic", "MIC1"},
400 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
401 {"Left Capture Select", "Line", "LINEINL"},
402 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
403 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
404 {"Left Capture Select", "Phone", "PHONE"},
406 /* right capture selector */
407 {"Right Capture Select", "Mic", "MIC2"},
408 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
409 {"Right Capture Select", "Line", "LINEINR"},
410 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
411 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
412 {"Right Capture Select", "Phone", "PHONE"},
415 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
416 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
417 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
418 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
421 {"Left ADC", NULL, "Left Capture Select"},
422 {"Right ADC", NULL, "Right Capture Select"},
425 {"MONOOUT", NULL, "Phone Mixer"},
426 {"HPOUTL", NULL, "Headphone PGA"},
427 {"Headphone PGA", NULL, "Left HP Mixer"},
428 {"HPOUTR", NULL, "Headphone PGA"},
429 {"Headphone PGA", NULL, "Right HP Mixer"},
432 {"Mono Mixer", NULL, "Left HP Mixer"},
433 {"Mono Mixer", NULL, "Right HP Mixer"},
436 {"Out3 Mux", "Left", "Left HP Mixer"},
437 {"Out3 Mux", "Mono", "Phone Mixer"},
438 {"Out3 Mux", "Left + Right", "Mono Mixer"},
439 {"Out 3 PGA", NULL, "Out3 Mux"},
440 {"OUT3", NULL, "Out 3 PGA"},
443 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
444 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
445 {"Speaker PGA", NULL, "Speaker Mux"},
446 {"LOUT2", NULL, "Speaker PGA"},
447 {"ROUT2", NULL, "Speaker PGA"},
450 static unsigned int ac97_read(struct snd_soc_codec *codec,
453 u16 *cache = codec->reg_cache;
455 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
456 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
457 reg == AC97_REC_GAIN)
458 return soc_ac97_ops->read(codec->ac97, reg);
462 if (reg >= (ARRAY_SIZE(wm9712_reg)))
469 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
472 u16 *cache = codec->reg_cache;
475 soc_ac97_ops->write(codec->ac97, reg, val);
477 if (reg < (ARRAY_SIZE(wm9712_reg)))
483 static int ac97_prepare(struct snd_pcm_substream *substream,
484 struct snd_soc_dai *dai)
486 struct snd_soc_codec *codec = dai->codec;
489 struct snd_pcm_runtime *runtime = substream->runtime;
491 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
492 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
494 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
495 reg = AC97_PCM_FRONT_DAC_RATE;
497 reg = AC97_PCM_LR_ADC_RATE;
499 return ac97_write(codec, reg, runtime->rate);
502 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
503 struct snd_soc_dai *dai)
505 struct snd_soc_codec *codec = dai->codec;
507 struct snd_pcm_runtime *runtime = substream->runtime;
509 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
510 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
511 xsle = ac97_read(codec, AC97_PCI_SID);
512 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
514 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
517 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
520 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
521 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
522 SNDRV_PCM_RATE_48000)
524 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
525 .prepare = ac97_prepare,
528 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
529 .prepare = ac97_aux_prepare,
532 static struct snd_soc_dai_driver wm9712_dai[] = {
534 .name = "wm9712-hifi",
537 .stream_name = "HiFi Playback",
540 .rates = WM9712_AC97_RATES,
541 .formats = SND_SOC_STD_AC97_FMTS,},
543 .stream_name = "HiFi Capture",
546 .rates = WM9712_AC97_RATES,
547 .formats = SND_SOC_STD_AC97_FMTS,},
548 .ops = &wm9712_dai_ops_hifi,
551 .name = "wm9712-aux",
553 .stream_name = "Aux Playback",
556 .rates = WM9712_AC97_RATES,
557 .formats = SND_SOC_STD_AC97_FMTS,},
558 .ops = &wm9712_dai_ops_aux,
562 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
563 enum snd_soc_bias_level level)
566 case SND_SOC_BIAS_ON:
567 case SND_SOC_BIAS_PREPARE:
569 case SND_SOC_BIAS_STANDBY:
570 ac97_write(codec, AC97_POWERDOWN, 0x0000);
572 case SND_SOC_BIAS_OFF:
573 /* disable everything including AC link */
574 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
575 ac97_write(codec, AC97_POWERDOWN, 0xffff);
578 codec->dapm.bias_level = level;
582 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
584 if (try_warm && soc_ac97_ops->warm_reset) {
585 soc_ac97_ops->warm_reset(codec->ac97);
586 if (ac97_read(codec, 0) == wm9712_reg[0])
590 soc_ac97_ops->reset(codec->ac97);
591 if (soc_ac97_ops->warm_reset)
592 soc_ac97_ops->warm_reset(codec->ac97);
593 if (ac97_read(codec, 0) != wm9712_reg[0])
598 printk(KERN_ERR "WM9712 AC97 reset failed\n");
602 static int wm9712_soc_suspend(struct snd_soc_codec *codec)
604 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
608 static int wm9712_soc_resume(struct snd_soc_codec *codec)
611 u16 *cache = codec->reg_cache;
613 ret = wm9712_reset(codec, 1);
615 printk(KERN_ERR "could not reset AC97 codec\n");
619 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
622 /* Sync reg_cache with the hardware after cold reset */
623 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
624 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
625 (i > 0x58 && i != 0x5c))
627 soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
634 static int wm9712_soc_probe(struct snd_soc_codec *codec)
638 ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
640 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
644 ret = wm9712_reset(codec, 0);
646 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
650 /* set alc mux to none */
651 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
653 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
654 snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls,
655 ARRAY_SIZE(wm9712_snd_ac97_controls));
660 snd_soc_free_ac97_codec(codec);
664 static int wm9712_soc_remove(struct snd_soc_codec *codec)
666 snd_soc_free_ac97_codec(codec);
670 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
671 .probe = wm9712_soc_probe,
672 .remove = wm9712_soc_remove,
673 .suspend = wm9712_soc_suspend,
674 .resume = wm9712_soc_resume,
677 .set_bias_level = wm9712_set_bias_level,
678 .reg_cache_size = ARRAY_SIZE(wm9712_reg),
679 .reg_word_size = sizeof(u16),
681 .reg_cache_default = wm9712_reg,
682 .dapm_widgets = wm9712_dapm_widgets,
683 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
684 .dapm_routes = wm9712_audio_map,
685 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
688 static int wm9712_probe(struct platform_device *pdev)
690 return snd_soc_register_codec(&pdev->dev,
691 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
694 static int wm9712_remove(struct platform_device *pdev)
696 snd_soc_unregister_codec(&pdev->dev);
700 static struct platform_driver wm9712_codec_driver = {
702 .name = "wm9712-codec",
703 .owner = THIS_MODULE,
706 .probe = wm9712_probe,
707 .remove = wm9712_remove,
710 module_platform_driver(wm9712_codec_driver);
712 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
713 MODULE_AUTHOR("Liam Girdwood");
714 MODULE_LICENSE("GPL");