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1/*
2 * wm9712.c -- ALSA Soc WM9712 codec support
3 *
4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood
6 * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * Revision history
14 * 4th Feb 2006 Initial version.
15 */
16
17#include <linux/init.h>
18#include <linux/module.h>
19#include <linux/version.h>
20#include <linux/kernel.h>
21#include <linux/device.h>
22#include <sound/driver.h>
23#include <sound/core.h>
24#include <sound/pcm.h>
25#include <sound/ac97_codec.h>
26#include <sound/initval.h>
27#include <sound/soc.h>
28#include <sound/soc-dapm.h>
29
30#define WM9712_VERSION "0.4"
31
32static unsigned int ac97_read(struct snd_soc_codec *codec,
33 unsigned int reg);
34static int ac97_write(struct snd_soc_codec *codec,
35 unsigned int reg, unsigned int val);
36
37/*
38 * WM9712 register cache
39 */
40static const u16 wm9712_reg[] = {
41 0x6174, 0x8000, 0x8000, 0x8000, // 6
42 0xf0f0, 0xaaa0, 0xc008, 0x6808, // e
43 0xe808, 0xaaa0, 0xad00, 0x8000, // 16
44 0xe808, 0x3000, 0x8000, 0x0000, // 1e
45 0x0000, 0x0000, 0x0000, 0x000f, // 26
46 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
47 0x0000, 0xbb80, 0x0000, 0x0000, // 36
48 0x0000, 0x2000, 0x0000, 0x0000, // 3e
49 0x0000, 0x0000, 0x0000, 0x0000, // 46
50 0x0000, 0x0000, 0xf83e, 0xffff, // 4e
51 0x0000, 0x0000, 0x0000, 0xf83e, // 56
52 0x0008, 0x0000, 0x0000, 0x0000, // 5e
53 0xb032, 0x3e00, 0x0000, 0x0000, // 66
54 0x0000, 0x0000, 0x0000, 0x0000, // 6e
55 0x0000, 0x0000, 0x0000, 0x0006, // 76
56 0x0001, 0x0000, 0x574d, 0x4c12, // 7e
57 0x0000, 0x0000 // virtual hp mixers
58};
59
60/* virtual HP mixers regs */
61#define HPL_MIXER 0x80
62#define HPR_MIXER 0x82
63
64static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
65static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
66static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
67 "Mono"};
68static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
69static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
70static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
71static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
72static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
73 "Stereo"};
74static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
75 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
76static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
77static const char *wm9712_diff_sel[] = {"Mic", "Line"};
78
79static const struct soc_enum wm9712_enum[] = {
80SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
81SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
82SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
83SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
84SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
85SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
86SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
87SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
88SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
89SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
90SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
91SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
92};
93
94static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
95SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
96SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
97SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
98SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
99
100SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
101SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
102SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
103SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
104SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0),
105
106SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
107SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
108SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
109SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
110SOC_ENUM("ALC Function", wm9712_enum[0]),
111SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
112SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
113SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
114SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
115SOC_ENUM("ALC NG Type", wm9712_enum[10]),
116SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
117
118SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
119SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
120
121SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
122SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
123SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
124
125SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
126SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
127SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
128
129SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
130SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
131SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
132
133SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
134SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
135
136SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
137SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
138
139SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
140SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
141SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
142
143SOC_ENUM("Bass Control", wm9712_enum[5]),
144SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
145SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
146SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
147SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
148SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
149
150SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
151SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
152SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
153SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
154
155SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
156SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
157SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
158};
159
160/* add non dapm controls */
161static int wm9712_add_controls(struct snd_soc_codec *codec)
162{
163 int err, i;
164
165 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
166 err = snd_ctl_add(codec->card,
167 snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL));
168 if (err < 0)
169 return err;
170 }
171 return 0;
172}
173
174/* We have to create a fake left and right HP mixers because
175 * the codec only has a single control that is shared by both channels.
176 * This makes it impossible to determine the audio path.
177 */
178static int mixer_event (struct snd_soc_dapm_widget *w, int event)
179{
180 u16 l, r, beep, line, phone, mic, pcm, aux;
181
182 l = ac97_read(w->codec, HPL_MIXER);
183 r = ac97_read(w->codec, HPR_MIXER);
184 beep = ac97_read(w->codec, AC97_PC_BEEP);
185 mic = ac97_read(w->codec, AC97_VIDEO);
186 phone = ac97_read(w->codec, AC97_PHONE);
187 line = ac97_read(w->codec, AC97_LINE);
188 pcm = ac97_read(w->codec, AC97_PCM);
189 aux = ac97_read(w->codec, AC97_CD);
190
191 if (l & 0x1 || r & 0x1)
192 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
193 else
194 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
195
196 if (l & 0x2 || r & 0x2)
197 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
198 else
199 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
200
201 if (l & 0x4 || r & 0x4)
202 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
203 else
204 ac97_write(w->codec, AC97_LINE, line | 0x8000);
205
206 if (l & 0x8 || r & 0x8)
207 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
208 else
209 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
210
211 if (l & 0x10 || r & 0x10)
212 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
213 else
214 ac97_write(w->codec, AC97_CD, aux | 0x8000);
215
216 if (l & 0x20 || r & 0x20)
217 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
218 else
219 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
220
221 return 0;
222}
223
224/* Left Headphone Mixers */
225static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
226 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
227 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
228 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
229 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
230 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
231 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
232};
233
234/* Right Headphone Mixers */
235static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
236 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
237 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
238 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
239 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
240 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
241 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
242};
243
244/* Speaker Mixer */
245static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
246 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
247 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
248 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
249 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
250 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
251};
252
253/* Phone Mixer */
254static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
255 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
256 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
257 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
258 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
259 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
260 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
261};
262
263/* ALC headphone mux */
264static const struct snd_kcontrol_new wm9712_alc_mux_controls =
265SOC_DAPM_ENUM("Route", wm9712_enum[1]);
266
267/* out 3 mux */
268static const struct snd_kcontrol_new wm9712_out3_mux_controls =
269SOC_DAPM_ENUM("Route", wm9712_enum[2]);
270
271/* spk mux */
272static const struct snd_kcontrol_new wm9712_spk_mux_controls =
273SOC_DAPM_ENUM("Route", wm9712_enum[3]);
274
275/* Capture to Phone mux */
276static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
277SOC_DAPM_ENUM("Route", wm9712_enum[4]);
278
279/* Capture left select */
280static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
281SOC_DAPM_ENUM("Route", wm9712_enum[8]);
282
283/* Capture right select */
284static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
285SOC_DAPM_ENUM("Route", wm9712_enum[9]);
286
287/* Mic select */
288static const struct snd_kcontrol_new wm9712_mic_src_controls =
289SOC_DAPM_ENUM("Route", wm9712_enum[7]);
290
291/* diff select */
292static const struct snd_kcontrol_new wm9712_diff_sel_controls =
293SOC_DAPM_ENUM("Route", wm9712_enum[11]);
294
295static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
296SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
297 &wm9712_alc_mux_controls),
298SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
299 &wm9712_out3_mux_controls),
300SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
301 &wm9712_spk_mux_controls),
302SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
303 &wm9712_capture_phone_mux_controls),
304SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
305 &wm9712_capture_selectl_controls),
306SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
307 &wm9712_capture_selectr_controls),
308SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
309 &wm9712_mic_src_controls),
310SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
311 &wm9712_diff_sel_controls),
312SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
313SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
314 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
315 mixer_event, SND_SOC_DAPM_POST_REG),
316SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
317 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
318 mixer_event, SND_SOC_DAPM_POST_REG),
319SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
320 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
321SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
322 &wm9712_speaker_mixer_controls[0],
323 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
324SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
325SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
326SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
327SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
328SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
329SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
330SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
331SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
332SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
333SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
334SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
335SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
336SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
337SND_SOC_DAPM_OUTPUT("MONOOUT"),
338SND_SOC_DAPM_OUTPUT("HPOUTL"),
339SND_SOC_DAPM_OUTPUT("HPOUTR"),
340SND_SOC_DAPM_OUTPUT("LOUT2"),
341SND_SOC_DAPM_OUTPUT("ROUT2"),
342SND_SOC_DAPM_OUTPUT("OUT3"),
343SND_SOC_DAPM_INPUT("LINEINL"),
344SND_SOC_DAPM_INPUT("LINEINR"),
345SND_SOC_DAPM_INPUT("PHONE"),
346SND_SOC_DAPM_INPUT("PCBEEP"),
347SND_SOC_DAPM_INPUT("MIC1"),
348SND_SOC_DAPM_INPUT("MIC2"),
349};
350
351static const char *audio_map[][3] = {
352 /* virtual mixer - mixes left & right channels for spk and mono */
353 {"AC97 Mixer", NULL, "Left DAC"},
354 {"AC97 Mixer", NULL, "Right DAC"},
355
356 /* Left HP mixer */
357 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
358 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
359 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
360 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
361 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
362 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
363 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
364 //{"Right HP Mixer", NULL, "HP Mixer"},
365
366 /* Right HP mixer */
367 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
368 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
369 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
370 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
371 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
372 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
373 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
374
375 /* speaker mixer */
376 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
377 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
378 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
379 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
380 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
381
382 /* Phone mixer */
383 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
384 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
385 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
386 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
387 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
388 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
389
390 /* inputs */
391 {"Line PGA", NULL, "LINEINL"},
392 {"Line PGA", NULL, "LINEINR"},
393 {"Phone PGA", NULL, "PHONE"},
394 {"Mic PGA", NULL, "MIC1"},
395 {"Mic PGA", NULL, "MIC2"},
396
397 /* left capture selector */
398 {"Left Capture Select", "Mic", "MIC1"},
399 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
400 {"Left Capture Select", "Line", "LINEINL"},
401 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
402 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
403 {"Left Capture Select", "Phone", "PHONE"},
404
405 /* right capture selector */
406 {"Right Capture Select", "Mic", "MIC2"},
407 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
408 {"Right Capture Select", "Line", "LINEINR"},
409 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
410 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
411 {"Right Capture Select", "Phone", "PHONE"},
412
413 /* ALC Sidetone */
414 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
415 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
416 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
417 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
418
419 /* ADC's */
420 {"Left ADC", NULL, "Left Capture Select"},
421 {"Right ADC", NULL, "Right Capture Select"},
422
423 /* outputs */
424 {"MONOOUT", NULL, "Phone Mixer"},
425 {"HPOUTL", NULL, "Headphone PGA"},
426 {"Headphone PGA", NULL, "Left HP Mixer"},
427 {"HPOUTR", NULL, "Headphone PGA"},
428 {"Headphone PGA", NULL, "Right HP Mixer"},
429
430 /* mono hp mixer */
431 {"Mono HP Mixer", NULL, "Left HP Mixer"},
432 {"Mono HP Mixer", NULL, "Right HP Mixer"},
433
434 /* Out3 Mux */
435 {"Out3 Mux", "Left", "Left HP Mixer"},
436 {"Out3 Mux", "Mono", "Phone Mixer"},
437 {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
438 {"Out 3 PGA", NULL, "Out3 Mux"},
439 {"OUT3", NULL, "Out 3 PGA"},
440
441 /* speaker Mux */
442 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
443 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
444 {"Speaker PGA", NULL, "Speaker Mux"},
445 {"LOUT2", NULL, "Speaker PGA"},
446 {"ROUT2", NULL, "Speaker PGA"},
447
448 {NULL, NULL, NULL},
449};
450
451static int wm9712_add_widgets(struct snd_soc_codec *codec)
452{
453 int i;
454
455 for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
456 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
457 }
458
459 /* set up audio path audio_mapnects */
460 for(i = 0; audio_map[i][0] != NULL; i++) {
461 snd_soc_dapm_connect_input(codec, audio_map[i][0],
462 audio_map[i][1], audio_map[i][2]);
463 }
464
465 snd_soc_dapm_new_widgets(codec);
466 return 0;
467}
468
469static unsigned int ac97_read(struct snd_soc_codec *codec,
470 unsigned int reg)
471{
472 u16 *cache = codec->reg_cache;
473
474 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
475 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
476 reg == AC97_REC_GAIN)
477 return soc_ac97_ops.read(codec->ac97, reg);
478 else {
479 reg = reg >> 1;
480
481 if (reg > (ARRAY_SIZE(wm9712_reg)))
482 return -EIO;
483
484 return cache[reg];
485 }
486}
487
488static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
489 unsigned int val)
490{
491 u16 *cache = codec->reg_cache;
492
493 soc_ac97_ops.write(codec->ac97, reg, val);
494 reg = reg >> 1;
495 if (reg <= (ARRAY_SIZE(wm9712_reg)))
496 cache[reg] = val;
497
498 return 0;
499}
500
501static int ac97_prepare(struct snd_pcm_substream *substream)
502{
503 struct snd_pcm_runtime *runtime = substream->runtime;
504 struct snd_soc_pcm_runtime *rtd = substream->private_data;
505 struct snd_soc_device *socdev = rtd->socdev;
506 struct snd_soc_codec *codec = socdev->codec;
507 int reg;
508 u16 vra;
509
510 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
511 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
512
513 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
514 reg = AC97_PCM_FRONT_DAC_RATE;
515 else
516 reg = AC97_PCM_LR_ADC_RATE;
517
518 return ac97_write(codec, reg, runtime->rate);
519}
520
521static int ac97_aux_prepare(struct snd_pcm_substream *substream)
522{
523 struct snd_pcm_runtime *runtime = substream->runtime;
524 struct snd_soc_pcm_runtime *rtd = substream->private_data;
525 struct snd_soc_device *socdev = rtd->socdev;
526 struct snd_soc_codec *codec = socdev->codec;
527 u16 vra, xsle;
528
529 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
530 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
531 xsle = ac97_read(codec, AC97_PCI_SID);
532 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
533
534 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
535 return -ENODEV;
536
537 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
538}
539
540#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
541 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
542
543struct snd_soc_codec_dai wm9712_dai[] = {
544{
545 .name = "AC97 HiFi",
546 .playback = {
547 .stream_name = "HiFi Playback",
548 .channels_min = 1,
549 .channels_max = 2,
550 .rates = WM9712_AC97_RATES,
551 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
552 .capture = {
553 .stream_name = "HiFi Capture",
554 .channels_min = 1,
555 .channels_max = 2,
556 .rates = WM9712_AC97_RATES,
557 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
558 .ops = {
559 .prepare = ac97_prepare,},
560},
561{
562 .name = "AC97 Aux",
563 .playback = {
564 .stream_name = "Aux Playback",
565 .channels_min = 1,
566 .channels_max = 1,
567 .rates = WM9712_AC97_RATES,
568 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
569 .ops = {
570 .prepare = ac97_aux_prepare,},
571}
572};
573EXPORT_SYMBOL_GPL(wm9712_dai);
574
575static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
576{
577 u16 reg;
578
579 switch (event) {
580 case SNDRV_CTL_POWER_D0: /* full On */
581 /* liam - maybe enable thermal shutdown */
582 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
583 ac97_write(codec, AC97_EXTENDED_MID, reg);
584 break;
585 case SNDRV_CTL_POWER_D1: /* partial On */
586 case SNDRV_CTL_POWER_D2: /* partial On */
587 break;
588 case SNDRV_CTL_POWER_D3hot: /* Off, with power */
589 /* enable master bias and vmid */
590 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
591 ac97_write(codec, AC97_EXTENDED_MID, reg);
592 ac97_write(codec, AC97_POWERDOWN, 0x0000);
593 break;
594 case SNDRV_CTL_POWER_D3cold: /* Off, without power */
595 /* disable everything including AC link */
596 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
597 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
598 ac97_write(codec, AC97_POWERDOWN, 0xffff);
599 break;
600 }
601 codec->dapm_state = event;
602 return 0;
603}
604
605static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
606{
607 if (try_warm && soc_ac97_ops.warm_reset) {
608 soc_ac97_ops.warm_reset(codec->ac97);
609 if (!(ac97_read(codec, 0) & 0x8000))
610 return 1;
611 }
612
613 soc_ac97_ops.reset(codec->ac97);
614 if (ac97_read(codec, 0) & 0x8000)
615 goto err;
616 return 0;
617
618err:
619 printk(KERN_ERR "WM9712 AC97 reset failed\n");
620 return -EIO;
621}
622
623static int wm9712_soc_suspend(struct platform_device *pdev,
624 pm_message_t state)
625{
626 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
627 struct snd_soc_codec *codec = socdev->codec;
628
629 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
630 return 0;
631}
632
633static int wm9712_soc_resume(struct platform_device *pdev)
634{
635 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
636 struct snd_soc_codec *codec = socdev->codec;
637 int i, ret;
638 u16 *cache = codec->reg_cache;
639
640 ret = wm9712_reset(codec, 1);
641 if (ret < 0){
642 printk(KERN_ERR "could not reset AC97 codec\n");
643 return ret;
644 }
645
646 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
647
648 if (ret == 0) {
649 /* Sync reg_cache with the hardware after cold reset */
650 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
651 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
652 (i > 0x58 && i != 0x5c))
653 continue;
654 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
655 }
656 }
657
658 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
659 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
660
661 return ret;
662}
663
664static int wm9712_soc_probe(struct platform_device *pdev)
665{
666 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
667 struct snd_soc_codec *codec;
668 int ret = 0;
669
670 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
671
672 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
673 if (socdev->codec == NULL)
674 return -ENOMEM;
675 codec = socdev->codec;
676 mutex_init(&codec->mutex);
677
678 codec->reg_cache =
679 kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
680 if (codec->reg_cache == NULL) {
681 ret = -ENOMEM;
682 goto cache_err;
683 }
684 memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
685 codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
686 codec->reg_cache_step = 2;
687
688 codec->name = "WM9712";
689 codec->owner = THIS_MODULE;
690 codec->dai = wm9712_dai;
691 codec->num_dai = ARRAY_SIZE(wm9712_dai);
692 codec->write = ac97_write;
693 codec->read = ac97_read;
694 codec->dapm_event = wm9712_dapm_event;
695 INIT_LIST_HEAD(&codec->dapm_widgets);
696 INIT_LIST_HEAD(&codec->dapm_paths);
697
698 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
699 if (ret < 0) {
700 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
701 goto codec_err;
702 }
703
704 /* register pcms */
705 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
706 if (ret < 0)
707 goto pcm_err;
708
709 ret = wm9712_reset(codec, 0);
710 if (ret < 0) {
711 printk(KERN_ERR "AC97 link error\n");
712 goto reset_err;
713 }
714
715 /* set alc mux to none */
716 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
717
718 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
719 wm9712_add_controls(codec);
720 wm9712_add_widgets(codec);
721 ret = snd_soc_register_card(socdev);
722 if (ret < 0) {
723 printk(KERN_ERR "wm9712: failed to register card\n");
724 goto reset_err;
725 }
726
727 return 0;
728
729reset_err:
730 snd_soc_free_pcms(socdev);
731
732pcm_err:
733 snd_soc_free_ac97_codec(codec);
734
735codec_err:
736 kfree(codec->reg_cache);
737
738cache_err:
739 kfree(socdev->codec);
740 socdev->codec = NULL;
741 return ret;
742}
743
744static int wm9712_soc_remove(struct platform_device *pdev)
745{
746 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
747 struct snd_soc_codec *codec = socdev->codec;
748
749 if (codec == NULL)
750 return 0;
751
752 snd_soc_dapm_free(socdev);
753 snd_soc_free_pcms(socdev);
754 snd_soc_free_ac97_codec(codec);
755 kfree(codec->reg_cache);
756 kfree(codec);
757 return 0;
758}
759
760struct snd_soc_codec_device soc_codec_dev_wm9712 = {
761 .probe = wm9712_soc_probe,
762 .remove = wm9712_soc_remove,
763 .suspend = wm9712_soc_suspend,
764 .resume = wm9712_soc_resume,
765};
766
767EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
768
769MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
770MODULE_AUTHOR("Liam Girdwood");
771MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-04 15:29:30 -0400