1 /*
2 * wm9712.c -- ALSA Soc WM9712 codec support
3 *
4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6 *
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.
11 */
12
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 "wm9712.h"
24
25 #define WM9712_VERSION "0.4"
26
27 static unsigned int ac97_read(struct snd_soc_codec *codec,
28 unsigned int reg);
29 static int ac97_write(struct snd_soc_codec *codec,
30 unsigned int reg, unsigned int val);
31
32 /*
33 * WM9712 register cache
34 */
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 */
53 };
54
55 /* virtual HP mixers regs */
56 #define HPL_MIXER 0x80
57 #define HPR_MIXER 0x82
58
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",
62 "Mono"};
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",
68 "Stereo"};
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"};
73
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),
87 };
88
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),
95
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),
102
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),
114
115 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
116 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
117
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),
121
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),
125
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),
129
130 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
131 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
132
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),
135
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),
139
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),
146
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),
151
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),
155 };
156
157 /* We have to create a fake left and right HP mixers because
158 * the codec only has a single control that is shared by both channels.
159 * This makes it impossible to determine the audio path.
160 */
mixer_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)161 static int mixer_event(struct snd_soc_dapm_widget *w,
162 struct snd_kcontrol *k, int event)
163 {
164 u16 l, r, beep, line, phone, mic, pcm, aux;
165
166 l = ac97_read(w->codec, HPL_MIXER);
167 r = ac97_read(w->codec, HPR_MIXER);
168 beep = ac97_read(w->codec, AC97_PC_BEEP);
169 mic = ac97_read(w->codec, AC97_VIDEO);
170 phone = ac97_read(w->codec, AC97_PHONE);
171 line = ac97_read(w->codec, AC97_LINE);
172 pcm = ac97_read(w->codec, AC97_PCM);
173 aux = ac97_read(w->codec, AC97_CD);
174
175 if (l & 0x1 || r & 0x1)
176 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
177 else
178 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
179
180 if (l & 0x2 || r & 0x2)
181 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
182 else
183 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
184
185 if (l & 0x4 || r & 0x4)
186 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
187 else
188 ac97_write(w->codec, AC97_LINE, line | 0x8000);
189
190 if (l & 0x8 || r & 0x8)
191 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
192 else
193 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
194
195 if (l & 0x10 || r & 0x10)
196 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
197 else
198 ac97_write(w->codec, AC97_CD, aux | 0x8000);
199
200 if (l & 0x20 || r & 0x20)
201 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
202 else
203 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
204
205 return 0;
206 }
207
208 /* Left Headphone Mixers */
209 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
210 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
211 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
212 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
213 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
214 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
215 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
216 };
217
218 /* Right Headphone Mixers */
219 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
220 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
221 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
222 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
223 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
224 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
225 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
226 };
227
228 /* Speaker Mixer */
229 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
230 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
231 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
232 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
233 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
234 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
235 };
236
237 /* Phone Mixer */
238 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
239 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
240 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
241 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
242 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
243 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
244 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
245 };
246
247 /* ALC headphone mux */
248 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
249 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
250
251 /* out 3 mux */
252 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
253 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
254
255 /* spk mux */
256 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
257 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
258
259 /* Capture to Phone mux */
260 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
261 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
262
263 /* Capture left select */
264 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
265 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
266
267 /* Capture right select */
268 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
269 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
270
271 /* Mic select */
272 static const struct snd_kcontrol_new wm9712_mic_src_controls =
273 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
274
275 /* diff select */
276 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
277 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
278
279 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
280 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
281 &wm9712_alc_mux_controls),
282 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
283 &wm9712_out3_mux_controls),
284 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
285 &wm9712_spk_mux_controls),
286 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
287 &wm9712_capture_phone_mux_controls),
288 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
289 &wm9712_capture_selectl_controls),
290 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
291 &wm9712_capture_selectr_controls),
292 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
293 &wm9712_mic_src_controls),
294 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
295 &wm9712_diff_sel_controls),
296 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
297 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
298 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
299 mixer_event, SND_SOC_DAPM_POST_REG),
300 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
301 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
302 mixer_event, SND_SOC_DAPM_POST_REG),
303 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
304 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
305 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
306 &wm9712_speaker_mixer_controls[0],
307 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
308 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
309 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
310 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
311 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
312 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
313 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
314 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
315 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
316 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
317 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
318 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
319 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
320 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
321 SND_SOC_DAPM_OUTPUT("MONOOUT"),
322 SND_SOC_DAPM_OUTPUT("HPOUTL"),
323 SND_SOC_DAPM_OUTPUT("HPOUTR"),
324 SND_SOC_DAPM_OUTPUT("LOUT2"),
325 SND_SOC_DAPM_OUTPUT("ROUT2"),
326 SND_SOC_DAPM_OUTPUT("OUT3"),
327 SND_SOC_DAPM_INPUT("LINEINL"),
328 SND_SOC_DAPM_INPUT("LINEINR"),
329 SND_SOC_DAPM_INPUT("PHONE"),
330 SND_SOC_DAPM_INPUT("PCBEEP"),
331 SND_SOC_DAPM_INPUT("MIC1"),
332 SND_SOC_DAPM_INPUT("MIC2"),
333 };
334
335 static const struct snd_soc_dapm_route audio_map[] = {
336 /* virtual mixer - mixes left & right channels for spk and mono */
337 {"AC97 Mixer", NULL, "Left DAC"},
338 {"AC97 Mixer", NULL, "Right DAC"},
339
340 /* Left HP mixer */
341 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
342 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
343 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
344 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
345 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
346 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
347 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
348
349 /* Right HP mixer */
350 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
351 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
352 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
353 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
354 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
355 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
356 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
357
358 /* speaker mixer */
359 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
360 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
361 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
362 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
363 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
364
365 /* Phone mixer */
366 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
367 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
368 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
369 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
370 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
371 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
372
373 /* inputs */
374 {"Line PGA", NULL, "LINEINL"},
375 {"Line PGA", NULL, "LINEINR"},
376 {"Phone PGA", NULL, "PHONE"},
377 {"Mic PGA", NULL, "MIC1"},
378 {"Mic PGA", NULL, "MIC2"},
379
380 /* left capture selector */
381 {"Left Capture Select", "Mic", "MIC1"},
382 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
383 {"Left Capture Select", "Line", "LINEINL"},
384 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
385 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
386 {"Left Capture Select", "Phone", "PHONE"},
387
388 /* right capture selector */
389 {"Right Capture Select", "Mic", "MIC2"},
390 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
391 {"Right Capture Select", "Line", "LINEINR"},
392 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
393 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
394 {"Right Capture Select", "Phone", "PHONE"},
395
396 /* ALC Sidetone */
397 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
398 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
399 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
400 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
401
402 /* ADC's */
403 {"Left ADC", NULL, "Left Capture Select"},
404 {"Right ADC", NULL, "Right Capture Select"},
405
406 /* outputs */
407 {"MONOOUT", NULL, "Phone Mixer"},
408 {"HPOUTL", NULL, "Headphone PGA"},
409 {"Headphone PGA", NULL, "Left HP Mixer"},
410 {"HPOUTR", NULL, "Headphone PGA"},
411 {"Headphone PGA", NULL, "Right HP Mixer"},
412
413 /* mono mixer */
414 {"Mono Mixer", NULL, "Left HP Mixer"},
415 {"Mono Mixer", NULL, "Right HP Mixer"},
416
417 /* Out3 Mux */
418 {"Out3 Mux", "Left", "Left HP Mixer"},
419 {"Out3 Mux", "Mono", "Phone Mixer"},
420 {"Out3 Mux", "Left + Right", "Mono Mixer"},
421 {"Out 3 PGA", NULL, "Out3 Mux"},
422 {"OUT3", NULL, "Out 3 PGA"},
423
424 /* speaker Mux */
425 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
426 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
427 {"Speaker PGA", NULL, "Speaker Mux"},
428 {"LOUT2", NULL, "Speaker PGA"},
429 {"ROUT2", NULL, "Speaker PGA"},
430 };
431
wm9712_add_widgets(struct snd_soc_codec * codec)432 static int wm9712_add_widgets(struct snd_soc_codec *codec)
433 {
434 struct snd_soc_dapm_context *dapm = &codec->dapm;
435
436 snd_soc_dapm_new_controls(dapm, wm9712_dapm_widgets,
437 ARRAY_SIZE(wm9712_dapm_widgets));
438 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
439
440 return 0;
441 }
442
ac97_read(struct snd_soc_codec * codec,unsigned int reg)443 static unsigned int ac97_read(struct snd_soc_codec *codec,
444 unsigned int reg)
445 {
446 u16 *cache = codec->reg_cache;
447
448 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
449 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
450 reg == AC97_REC_GAIN)
451 return soc_ac97_ops.read(codec->ac97, reg);
452 else {
453 reg = reg >> 1;
454
455 if (reg >= (ARRAY_SIZE(wm9712_reg)))
456 return -EIO;
457
458 return cache[reg];
459 }
460 }
461
ac97_write(struct snd_soc_codec * codec,unsigned int reg,unsigned int val)462 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
463 unsigned int val)
464 {
465 u16 *cache = codec->reg_cache;
466
467 if (reg < 0x7c)
468 soc_ac97_ops.write(codec->ac97, reg, val);
469 reg = reg >> 1;
470 if (reg < (ARRAY_SIZE(wm9712_reg)))
471 cache[reg] = val;
472
473 return 0;
474 }
475
ac97_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)476 static int ac97_prepare(struct snd_pcm_substream *substream,
477 struct snd_soc_dai *dai)
478 {
479 struct snd_pcm_runtime *runtime = substream->runtime;
480 struct snd_soc_pcm_runtime *rtd = substream->private_data;
481 struct snd_soc_codec *codec =rtd->codec;
482 int reg;
483 u16 vra;
484
485 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
486 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
487
488 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
489 reg = AC97_PCM_FRONT_DAC_RATE;
490 else
491 reg = AC97_PCM_LR_ADC_RATE;
492
493 return ac97_write(codec, reg, runtime->rate);
494 }
495
ac97_aux_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)496 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
497 struct snd_soc_dai *dai)
498 {
499 struct snd_pcm_runtime *runtime = substream->runtime;
500 struct snd_soc_pcm_runtime *rtd = substream->private_data;
501 struct snd_soc_codec *codec = rtd->codec;
502 u16 vra, xsle;
503
504 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
505 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
506 xsle = ac97_read(codec, AC97_PCI_SID);
507 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
508
509 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
510 return -ENODEV;
511
512 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
513 }
514
515 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
516 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
517 SNDRV_PCM_RATE_48000)
518
519 static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
520 .prepare = ac97_prepare,
521 };
522
523 static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
524 .prepare = ac97_aux_prepare,
525 };
526
527 static struct snd_soc_dai_driver wm9712_dai[] = {
528 {
529 .name = "wm9712-hifi",
530 .ac97_control = 1,
531 .playback = {
532 .stream_name = "HiFi Playback",
533 .channels_min = 1,
534 .channels_max = 2,
535 .rates = WM9712_AC97_RATES,
536 .formats = SND_SOC_STD_AC97_FMTS,},
537 .capture = {
538 .stream_name = "HiFi Capture",
539 .channels_min = 1,
540 .channels_max = 2,
541 .rates = WM9712_AC97_RATES,
542 .formats = SND_SOC_STD_AC97_FMTS,},
543 .ops = &wm9712_dai_ops_hifi,
544 },
545 {
546 .name = "wm9712-aux",
547 .playback = {
548 .stream_name = "Aux Playback",
549 .channels_min = 1,
550 .channels_max = 1,
551 .rates = WM9712_AC97_RATES,
552 .formats = SND_SOC_STD_AC97_FMTS,},
553 .ops = &wm9712_dai_ops_aux,
554 }
555 };
556
wm9712_set_bias_level(struct snd_soc_codec * codec,enum snd_soc_bias_level level)557 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
558 enum snd_soc_bias_level level)
559 {
560 switch (level) {
561 case SND_SOC_BIAS_ON:
562 case SND_SOC_BIAS_PREPARE:
563 break;
564 case SND_SOC_BIAS_STANDBY:
565 ac97_write(codec, AC97_POWERDOWN, 0x0000);
566 break;
567 case SND_SOC_BIAS_OFF:
568 /* disable everything including AC link */
569 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
570 ac97_write(codec, AC97_POWERDOWN, 0xffff);
571 break;
572 }
573 codec->dapm.bias_level = level;
574 return 0;
575 }
576
wm9712_reset(struct snd_soc_codec * codec,int try_warm)577 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
578 {
579 if (try_warm && soc_ac97_ops.warm_reset) {
580 soc_ac97_ops.warm_reset(codec->ac97);
581 if (ac97_read(codec, 0) == wm9712_reg[0])
582 return 1;
583 }
584
585 soc_ac97_ops.reset(codec->ac97);
586 if (soc_ac97_ops.warm_reset)
587 soc_ac97_ops.warm_reset(codec->ac97);
588 if (ac97_read(codec, 0) != wm9712_reg[0])
589 goto err;
590 return 0;
591
592 err:
593 printk(KERN_ERR "WM9712 AC97 reset failed\n");
594 return -EIO;
595 }
596
wm9712_soc_suspend(struct snd_soc_codec * codec,pm_message_t state)597 static int wm9712_soc_suspend(struct snd_soc_codec *codec,
598 pm_message_t state)
599 {
600 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
601 return 0;
602 }
603
wm9712_soc_resume(struct snd_soc_codec * codec)604 static int wm9712_soc_resume(struct snd_soc_codec *codec)
605 {
606 int i, ret;
607 u16 *cache = codec->reg_cache;
608
609 ret = wm9712_reset(codec, 1);
610 if (ret < 0) {
611 printk(KERN_ERR "could not reset AC97 codec\n");
612 return ret;
613 }
614
615 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
616
617 if (ret == 0) {
618 /* Sync reg_cache with the hardware after cold reset */
619 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
620 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
621 (i > 0x58 && i != 0x5c))
622 continue;
623 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
624 }
625 }
626
627 return ret;
628 }
629
wm9712_soc_probe(struct snd_soc_codec * codec)630 static int wm9712_soc_probe(struct snd_soc_codec *codec)
631 {
632 int ret = 0;
633
634 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
635
636 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
637 if (ret < 0) {
638 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
639 return ret;
640 }
641
642 ret = wm9712_reset(codec, 0);
643 if (ret < 0) {
644 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
645 goto reset_err;
646 }
647
648 /* set alc mux to none */
649 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
650
651 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
652 snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
653 ARRAY_SIZE(wm9712_snd_ac97_controls));
654 wm9712_add_widgets(codec);
655
656 return 0;
657
658 reset_err:
659 snd_soc_free_ac97_codec(codec);
660 return ret;
661 }
662
wm9712_soc_remove(struct snd_soc_codec * codec)663 static int wm9712_soc_remove(struct snd_soc_codec *codec)
664 {
665 snd_soc_free_ac97_codec(codec);
666 return 0;
667 }
668
669 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
670 .probe = wm9712_soc_probe,
671 .remove = wm9712_soc_remove,
672 .suspend = wm9712_soc_suspend,
673 .resume = wm9712_soc_resume,
674 .read = ac97_read,
675 .write = ac97_write,
676 .set_bias_level = wm9712_set_bias_level,
677 .reg_cache_size = ARRAY_SIZE(wm9712_reg),
678 .reg_word_size = sizeof(u16),
679 .reg_cache_step = 2,
680 .reg_cache_default = wm9712_reg,
681 };
682
wm9712_probe(struct platform_device * pdev)683 static __devinit int wm9712_probe(struct platform_device *pdev)
684 {
685 return snd_soc_register_codec(&pdev->dev,
686 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
687 }
688
wm9712_remove(struct platform_device * pdev)689 static int __devexit wm9712_remove(struct platform_device *pdev)
690 {
691 snd_soc_unregister_codec(&pdev->dev);
692 return 0;
693 }
694
695 static struct platform_driver wm9712_codec_driver = {
696 .driver = {
697 .name = "wm9712-codec",
698 .owner = THIS_MODULE,
699 },
700
701 .probe = wm9712_probe,
702 .remove = __devexit_p(wm9712_remove),
703 };
704
wm9712_init(void)705 static int __init wm9712_init(void)
706 {
707 return platform_driver_register(&wm9712_codec_driver);
708 }
709 module_init(wm9712_init);
710
wm9712_exit(void)711 static void __exit wm9712_exit(void)
712 {
713 platform_driver_unregister(&wm9712_codec_driver);
714 }
715 module_exit(wm9712_exit);
716
717 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
718 MODULE_AUTHOR("Liam Girdwood");
719 MODULE_LICENSE("GPL");
720