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/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>
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 */
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
432 static int wm9712_add_widgets(struct snd_soc_codec *codec)
433 {
434 snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets,
435 ARRAY_SIZE(wm9712_dapm_widgets));
436
437 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
438
439 snd_soc_dapm_new_widgets(codec);
440 return 0;
441 }
442
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
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
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_device *socdev = rtd->socdev;
482 struct snd_soc_codec *codec = socdev->card->codec;
483 int reg;
484 u16 vra;
485
486 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
487 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
488
489 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
490 reg = AC97_PCM_FRONT_DAC_RATE;
491 else
492 reg = AC97_PCM_LR_ADC_RATE;
493
494 return ac97_write(codec, reg, runtime->rate);
495 }
496
497 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
498 struct snd_soc_dai *dai)
499 {
500 struct snd_pcm_runtime *runtime = substream->runtime;
501 struct snd_soc_pcm_runtime *rtd = substream->private_data;
502 struct snd_soc_device *socdev = rtd->socdev;
503 struct snd_soc_codec *codec = socdev->card->codec;
504 u16 vra, xsle;
505
506 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
507 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
508 xsle = ac97_read(codec, AC97_PCI_SID);
509 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
510
511 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
512 return -ENODEV;
513
514 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
515 }
516
517 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
518 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
519 SNDRV_PCM_RATE_48000)
520
521 static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
522 .prepare = ac97_prepare,
523 };
524
525 static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
526 .prepare = ac97_aux_prepare,
527 };
528
529 struct snd_soc_dai wm9712_dai[] = {
530 {
531 .name = "AC97 HiFi",
532 .ac97_control = 1,
533 .playback = {
534 .stream_name = "HiFi Playback",
535 .channels_min = 1,
536 .channels_max = 2,
537 .rates = WM9712_AC97_RATES,
538 .formats = SND_SOC_STD_AC97_FMTS,},
539 .capture = {
540 .stream_name = "HiFi Capture",
541 .channels_min = 1,
542 .channels_max = 2,
543 .rates = WM9712_AC97_RATES,
544 .formats = SND_SOC_STD_AC97_FMTS,},
545 .ops = &wm9712_dai_ops_hifi,
546 },
547 {
548 .name = "AC97 Aux",
549 .playback = {
550 .stream_name = "Aux Playback",
551 .channels_min = 1,
552 .channels_max = 1,
553 .rates = WM9712_AC97_RATES,
554 .formats = SND_SOC_STD_AC97_FMTS,},
555 .ops = &wm9712_dai_ops_aux,
556 }
557 };
558 EXPORT_SYMBOL_GPL(wm9712_dai);
559
560 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
561 enum snd_soc_bias_level level)
562 {
563 switch (level) {
564 case SND_SOC_BIAS_ON:
565 case SND_SOC_BIAS_PREPARE:
566 break;
567 case SND_SOC_BIAS_STANDBY:
568 ac97_write(codec, AC97_POWERDOWN, 0x0000);
569 break;
570 case SND_SOC_BIAS_OFF:
571 /* disable everything including AC link */
572 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
573 ac97_write(codec, AC97_POWERDOWN, 0xffff);
574 break;
575 }
576 codec->bias_level = level;
577 return 0;
578 }
579
580 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
581 {
582 if (try_warm && soc_ac97_ops.warm_reset) {
583 soc_ac97_ops.warm_reset(codec->ac97);
584 if (ac97_read(codec, 0) == wm9712_reg[0])
585 return 1;
586 }
587
588 soc_ac97_ops.reset(codec->ac97);
589 if (soc_ac97_ops.warm_reset)
590 soc_ac97_ops.warm_reset(codec->ac97);
591 if (ac97_read(codec, 0) != wm9712_reg[0])
592 goto err;
593 return 0;
594
595 err:
596 printk(KERN_ERR "WM9712 AC97 reset failed\n");
597 return -EIO;
598 }
599
600 static int wm9712_soc_suspend(struct platform_device *pdev,
601 pm_message_t state)
602 {
603 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
604 struct snd_soc_codec *codec = socdev->card->codec;
605
606 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
607 return 0;
608 }
609
610 static int wm9712_soc_resume(struct platform_device *pdev)
611 {
612 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
613 struct snd_soc_codec *codec = socdev->card->codec;
614 int i, ret;
615 u16 *cache = codec->reg_cache;
616
617 ret = wm9712_reset(codec, 1);
618 if (ret < 0) {
619 printk(KERN_ERR "could not reset AC97 codec\n");
620 return ret;
621 }
622
623 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
624
625 if (ret == 0) {
626 /* Sync reg_cache with the hardware after cold reset */
627 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
628 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
629 (i > 0x58 && i != 0x5c))
630 continue;
631 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
632 }
633 }
634
635 if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
636 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON);
637
638 return ret;
639 }
640
641 static int wm9712_soc_probe(struct platform_device *pdev)
642 {
643 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
644 struct snd_soc_codec *codec;
645 int ret = 0;
646
647 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
648
649 socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec),
650 GFP_KERNEL);
651 if (socdev->card->codec == NULL)
652 return -ENOMEM;
653 codec = socdev->card->codec;
654 mutex_init(&codec->mutex);
655
656 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
657
658 if (codec->reg_cache == NULL) {
659 ret = -ENOMEM;
660 goto cache_err;
661 }
662 codec->reg_cache_size = sizeof(wm9712_reg);
663 codec->reg_cache_step = 2;
664
665 codec->name = "WM9712";
666 codec->owner = THIS_MODULE;
667 codec->dai = wm9712_dai;
668 codec->num_dai = ARRAY_SIZE(wm9712_dai);
669 codec->write = ac97_write;
670 codec->read = ac97_read;
671 codec->set_bias_level = wm9712_set_bias_level;
672 INIT_LIST_HEAD(&codec->dapm_widgets);
673 INIT_LIST_HEAD(&codec->dapm_paths);
674
675 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
676 if (ret < 0) {
677 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
678 goto codec_err;
679 }
680
681 /* register pcms */
682 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
683 if (ret < 0)
684 goto pcm_err;
685
686 ret = wm9712_reset(codec, 0);
687 if (ret < 0) {
688 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
689 goto reset_err;
690 }
691
692 /* set alc mux to none */
693 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
694
695 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
696 snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
697 ARRAY_SIZE(wm9712_snd_ac97_controls));
698 wm9712_add_widgets(codec);
699 ret = snd_soc_init_card(socdev);
700 if (ret < 0) {
701 printk(KERN_ERR "wm9712: failed to register card\n");
702 goto reset_err;
703 }
704
705 return 0;
706
707 reset_err:
708 snd_soc_free_pcms(socdev);
709
710 pcm_err:
711 snd_soc_free_ac97_codec(codec);
712
713 codec_err:
714 kfree(codec->reg_cache);
715
716 cache_err:
717 kfree(socdev->card->codec);
718 socdev->card->codec = NULL;
719 return ret;
720 }
721
722 static int wm9712_soc_remove(struct platform_device *pdev)
723 {
724 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
725 struct snd_soc_codec *codec = socdev->card->codec;
726
727 if (codec == NULL)
728 return 0;
729
730 snd_soc_dapm_free(socdev);
731 snd_soc_free_pcms(socdev);
732 snd_soc_free_ac97_codec(codec);
733 kfree(codec->reg_cache);
734 kfree(codec);
735 return 0;
736 }
737
738 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
739 .probe = wm9712_soc_probe,
740 .remove = wm9712_soc_remove,
741 .suspend = wm9712_soc_suspend,
742 .resume = wm9712_soc_resume,
743 };
744 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
745
746 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
747 MODULE_AUTHOR("Liam Girdwood");
748 MODULE_LICENSE("GPL");
749
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