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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * wm9712.c -- ALSA Soc WM9712 codec support
4 *
5 * Copyright 2006-12 Wolfson Microelectronics PLC.
6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7 */
8
9#include <linux/init.h>
10#include <linux/slab.h>
11#include <linux/mfd/wm97xx.h>
12#include <linux/module.h>
13#include <linux/kernel.h>
14#include <linux/device.h>
15#include <linux/regmap.h>
16#include <sound/core.h>
17#include <sound/pcm.h>
18#include <sound/ac97_codec.h>
19#include <sound/ac97/codec.h>
20#include <sound/ac97/compat.h>
21#include <sound/initval.h>
22#include <sound/soc.h>
23#include <sound/tlv.h>
24
25#define WM9712_VENDOR_ID 0x574d4c12
26#define WM9712_VENDOR_ID_MASK 0xffffffff
27
28struct wm9712_priv {
29 struct snd_ac97 *ac97;
30 unsigned int hp_mixer[2];
31 struct mutex lock;
32 struct wm97xx_platform_data *mfd_pdata;
33};
34
35static const struct reg_default wm9712_reg_defaults[] = {
36 { 0x02, 0x8000 },
37 { 0x04, 0x8000 },
38 { 0x06, 0x8000 },
39 { 0x08, 0x0f0f },
40 { 0x0a, 0xaaa0 },
41 { 0x0c, 0xc008 },
42 { 0x0e, 0x6808 },
43 { 0x10, 0xe808 },
44 { 0x12, 0xaaa0 },
45 { 0x14, 0xad00 },
46 { 0x16, 0x8000 },
47 { 0x18, 0xe808 },
48 { 0x1a, 0x3000 },
49 { 0x1c, 0x8000 },
50 { 0x20, 0x0000 },
51 { 0x22, 0x0000 },
52 { 0x26, 0x000f },
53 { 0x28, 0x0605 },
54 { 0x2a, 0x0410 },
55 { 0x2c, 0xbb80 },
56 { 0x2e, 0xbb80 },
57 { 0x32, 0xbb80 },
58 { 0x34, 0x2000 },
59 { 0x4c, 0xf83e },
60 { 0x4e, 0xffff },
61 { 0x50, 0x0000 },
62 { 0x52, 0x0000 },
63 { 0x56, 0xf83e },
64 { 0x58, 0x0008 },
65 { 0x5c, 0x0000 },
66 { 0x60, 0xb032 },
67 { 0x62, 0x3e00 },
68 { 0x64, 0x0000 },
69 { 0x76, 0x0006 },
70 { 0x78, 0x0001 },
71 { 0x7a, 0x0000 },
72};
73
74static bool wm9712_volatile_reg(struct device *dev, unsigned int reg)
75{
76 switch (reg) {
77 case AC97_REC_GAIN:
78 return true;
79 default:
80 return regmap_ac97_default_volatile(dev, reg);
81 }
82}
83
84static const struct regmap_config wm9712_regmap_config = {
85 .reg_bits = 16,
86 .reg_stride = 2,
87 .val_bits = 16,
88 .max_register = 0x7e,
89 .cache_type = REGCACHE_MAPLE,
90
91 .volatile_reg = wm9712_volatile_reg,
92
93 .reg_defaults = wm9712_reg_defaults,
94 .num_reg_defaults = ARRAY_SIZE(wm9712_reg_defaults),
95};
96
97#define HPL_MIXER 0x0
98#define HPR_MIXER 0x1
99
100static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
101static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
102static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
103 "Mono"};
104static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
105static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
106static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
107static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
108static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
109 "Stereo"};
110static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
111 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
112static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
113static const char *wm9712_diff_sel[] = {"Mic", "Line"};
114
115static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
116static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
117
118static const struct soc_enum wm9712_enum[] = {
119SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
120SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
121SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
122SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
123SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
124SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
125SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
126SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
127SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
128SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
129SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
130SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
131};
132
133static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
134SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
135SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
136SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
137SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
138SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
139
140SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
141SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
142SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
143SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
144SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
145SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
146
147SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
148SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
149SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
150SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
151SOC_ENUM("ALC Function", wm9712_enum[0]),
152SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
153SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
154SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
155SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
156SOC_ENUM("ALC NG Type", wm9712_enum[10]),
157SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
158
159SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
160SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
161
162SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
163SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
164SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
165
166SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
167SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
168SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
169
170SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
171SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
172SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
173
174SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
175SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
176
177SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
178SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
179 boost_tlv),
180
181SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
182SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
183SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
184
185SOC_ENUM("Bass Control", wm9712_enum[5]),
186SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
187SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
188SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
189SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
190SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
191
192SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
193SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
194SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
195SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
196
197SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
198SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
199SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
200};
201
202static const unsigned int wm9712_mixer_mute_regs[] = {
203 AC97_VIDEO,
204 AC97_PCM,
205 AC97_LINE,
206 AC97_PHONE,
207 AC97_CD,
208 AC97_PC_BEEP,
209};
210
211/* We have to create a fake left and right HP mixers because
212 * the codec only has a single control that is shared by both channels.
213 * This makes it impossible to determine the audio path.
214 */
215static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
216 struct snd_ctl_elem_value *ucontrol)
217{
218 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
219 struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
220 struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
221 unsigned int val = ucontrol->value.integer.value[0];
222 struct soc_mixer_control *mc =
223 (struct soc_mixer_control *)kcontrol->private_value;
224 unsigned int mixer, mask, shift, old;
225 struct snd_soc_dapm_update update = {};
226 bool change;
227
228 mixer = mc->shift >> 8;
229 shift = mc->shift & 0xff;
230 mask = 1 << shift;
231
232 mutex_lock(&wm9712->lock);
233 old = wm9712->hp_mixer[mixer];
234 if (ucontrol->value.integer.value[0])
235 wm9712->hp_mixer[mixer] |= mask;
236 else
237 wm9712->hp_mixer[mixer] &= ~mask;
238
239 change = old != wm9712->hp_mixer[mixer];
240 if (change) {
241 update.kcontrol = kcontrol;
242 update.reg = wm9712_mixer_mute_regs[shift];
243 update.mask = 0x8000;
244 if ((wm9712->hp_mixer[0] & mask) ||
245 (wm9712->hp_mixer[1] & mask))
246 update.val = 0x0;
247 else
248 update.val = 0x8000;
249
250 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
251 &update);
252 }
253
254 mutex_unlock(&wm9712->lock);
255
256 return change;
257}
258
259static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
260 struct snd_ctl_elem_value *ucontrol)
261{
262 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
263 struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
264 struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
265 struct soc_mixer_control *mc =
266 (struct soc_mixer_control *)kcontrol->private_value;
267 unsigned int shift, mixer;
268
269 mixer = mc->shift >> 8;
270 shift = mc->shift & 0xff;
271
272 ucontrol->value.integer.value[0] =
273 (wm9712->hp_mixer[mixer] >> shift) & 1;
274
275 return 0;
276}
277
278#define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
279 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
280 .info = snd_soc_info_volsw, \
281 .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
282 .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
283 (xmixer << 8) | xshift, 1, 0, 0) \
284}
285
286/* Left Headphone Mixers */
287static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
288 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
289 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
290 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
291 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
292 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
293 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
294};
295
296/* Right Headphone Mixers */
297static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
298 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
299 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
300 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
301 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
302 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
303 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
304};
305
306/* Speaker Mixer */
307static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
308 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
309 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
310 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
311 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
312 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
313};
314
315/* Phone Mixer */
316static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
317 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
318 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
319 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
320 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
321 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
322 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
323};
324
325/* ALC headphone mux */
326static const struct snd_kcontrol_new wm9712_alc_mux_controls =
327SOC_DAPM_ENUM("Route", wm9712_enum[1]);
328
329/* out 3 mux */
330static const struct snd_kcontrol_new wm9712_out3_mux_controls =
331SOC_DAPM_ENUM("Route", wm9712_enum[2]);
332
333/* spk mux */
334static const struct snd_kcontrol_new wm9712_spk_mux_controls =
335SOC_DAPM_ENUM("Route", wm9712_enum[3]);
336
337/* Capture to Phone mux */
338static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
339SOC_DAPM_ENUM("Route", wm9712_enum[4]);
340
341/* Capture left select */
342static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
343SOC_DAPM_ENUM("Route", wm9712_enum[8]);
344
345/* Capture right select */
346static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
347SOC_DAPM_ENUM("Route", wm9712_enum[9]);
348
349/* Mic select */
350static const struct snd_kcontrol_new wm9712_mic_src_controls =
351SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
352
353/* diff select */
354static const struct snd_kcontrol_new wm9712_diff_sel_controls =
355SOC_DAPM_ENUM("Route", wm9712_enum[11]);
356
357static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
358SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
359 &wm9712_alc_mux_controls),
360SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
361 &wm9712_out3_mux_controls),
362SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
363 &wm9712_spk_mux_controls),
364SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
365 &wm9712_capture_phone_mux_controls),
366SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
367 &wm9712_capture_selectl_controls),
368SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
369 &wm9712_capture_selectr_controls),
370SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
371 &wm9712_mic_src_controls),
372SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
373 &wm9712_mic_src_controls),
374SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
375 &wm9712_diff_sel_controls),
376SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
377SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
378 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
379SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
380 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
381SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
382 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
383SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
384 &wm9712_speaker_mixer_controls[0],
385 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
386SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
387SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
388SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
389SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
390SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
391SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
392SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
393SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
394SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
395SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
396SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
397SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
398SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
399SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
400SND_SOC_DAPM_OUTPUT("MONOOUT"),
401SND_SOC_DAPM_OUTPUT("HPOUTL"),
402SND_SOC_DAPM_OUTPUT("HPOUTR"),
403SND_SOC_DAPM_OUTPUT("LOUT2"),
404SND_SOC_DAPM_OUTPUT("ROUT2"),
405SND_SOC_DAPM_OUTPUT("OUT3"),
406SND_SOC_DAPM_INPUT("LINEINL"),
407SND_SOC_DAPM_INPUT("LINEINR"),
408SND_SOC_DAPM_INPUT("PHONE"),
409SND_SOC_DAPM_INPUT("PCBEEP"),
410SND_SOC_DAPM_INPUT("MIC1"),
411SND_SOC_DAPM_INPUT("MIC2"),
412};
413
414static const struct snd_soc_dapm_route wm9712_audio_map[] = {
415 /* virtual mixer - mixes left & right channels for spk and mono */
416 {"AC97 Mixer", NULL, "Left DAC"},
417 {"AC97 Mixer", NULL, "Right DAC"},
418
419 /* Left HP mixer */
420 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
421 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
422 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
423 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
424 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
425 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
426 {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
427
428 /* Right HP mixer */
429 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
430 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
431 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
432 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
433 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
434 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
435 {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
436
437 /* speaker mixer */
438 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
439 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
440 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
441 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
442 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
443
444 /* Phone mixer */
445 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
446 {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
447 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
448 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
449 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
450 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
451
452 /* inputs */
453 {"Line PGA", NULL, "LINEINL"},
454 {"Line PGA", NULL, "LINEINR"},
455 {"Phone PGA", NULL, "PHONE"},
456 {"Mic PGA", NULL, "MIC1"},
457 {"Mic PGA", NULL, "MIC2"},
458
459 /* microphones */
460 {"Differential Mic", NULL, "MIC1"},
461 {"Differential Mic", NULL, "MIC2"},
462 {"Left Mic Select Source", "Mic 1", "MIC1"},
463 {"Left Mic Select Source", "Mic 2", "MIC2"},
464 {"Left Mic Select Source", "Stereo", "MIC1"},
465 {"Left Mic Select Source", "Differential", "Differential Mic"},
466 {"Right Mic Select Source", "Mic 1", "MIC1"},
467 {"Right Mic Select Source", "Mic 2", "MIC2"},
468 {"Right Mic Select Source", "Stereo", "MIC2"},
469 {"Right Mic Select Source", "Differential", "Differential Mic"},
470
471 /* left capture selector */
472 {"Left Capture Select", "Mic", "MIC1"},
473 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
474 {"Left Capture Select", "Line", "LINEINL"},
475 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
476 {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
477 {"Left Capture Select", "Phone", "PHONE"},
478
479 /* right capture selector */
480 {"Right Capture Select", "Mic", "MIC2"},
481 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
482 {"Right Capture Select", "Line", "LINEINR"},
483 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
484 {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
485 {"Right Capture Select", "Phone", "PHONE"},
486
487 /* ALC Sidetone */
488 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
489 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
490 {"ALC Sidetone Mux", "Left", "Left Capture Select"},
491 {"ALC Sidetone Mux", "Right", "Right Capture Select"},
492
493 /* ADC's */
494 {"Left ADC", NULL, "Left Capture Select"},
495 {"Right ADC", NULL, "Right Capture Select"},
496
497 /* outputs */
498 {"MONOOUT", NULL, "Phone Mixer"},
499 {"HPOUTL", NULL, "Headphone PGA"},
500 {"Headphone PGA", NULL, "Left HP Mixer"},
501 {"HPOUTR", NULL, "Headphone PGA"},
502 {"Headphone PGA", NULL, "Right HP Mixer"},
503
504 /* mono mixer */
505 {"Mono Mixer", NULL, "Left HP Mixer"},
506 {"Mono Mixer", NULL, "Right HP Mixer"},
507
508 /* Out3 Mux */
509 {"Out3 Mux", "Left", "Left HP Mixer"},
510 {"Out3 Mux", "Mono", "Phone Mixer"},
511 {"Out3 Mux", "Left + Right", "Mono Mixer"},
512 {"Out 3 PGA", NULL, "Out3 Mux"},
513 {"OUT3", NULL, "Out 3 PGA"},
514
515 /* speaker Mux */
516 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
517 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
518 {"Speaker PGA", NULL, "Speaker Mux"},
519 {"LOUT2", NULL, "Speaker PGA"},
520 {"ROUT2", NULL, "Speaker PGA"},
521};
522
523static int ac97_prepare(struct snd_pcm_substream *substream,
524 struct snd_soc_dai *dai)
525{
526 struct snd_soc_component *component = dai->component;
527 int reg;
528 struct snd_pcm_runtime *runtime = substream->runtime;
529
530 snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1);
531
532 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
533 reg = AC97_PCM_FRONT_DAC_RATE;
534 else
535 reg = AC97_PCM_LR_ADC_RATE;
536
537 return snd_soc_component_write(component, reg, runtime->rate);
538}
539
540static int ac97_aux_prepare(struct snd_pcm_substream *substream,
541 struct snd_soc_dai *dai)
542{
543 struct snd_soc_component *component = dai->component;
544 struct snd_pcm_runtime *runtime = substream->runtime;
545
546 snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x1, 0x1);
547 snd_soc_component_update_bits(component, AC97_PCI_SID, 0x8000, 0x8000);
548
549 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
550 return -ENODEV;
551
552 return snd_soc_component_write(component, AC97_PCM_SURR_DAC_RATE, runtime->rate);
553}
554
555#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
556 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
557 SNDRV_PCM_RATE_48000)
558
559static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
560 .prepare = ac97_prepare,
561};
562
563static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
564 .prepare = ac97_aux_prepare,
565};
566
567static struct snd_soc_dai_driver wm9712_dai[] = {
568{
569 .name = "wm9712-hifi",
570 .playback = {
571 .stream_name = "HiFi Playback",
572 .channels_min = 1,
573 .channels_max = 2,
574 .rates = WM9712_AC97_RATES,
575 .formats = SND_SOC_STD_AC97_FMTS,},
576 .capture = {
577 .stream_name = "HiFi Capture",
578 .channels_min = 1,
579 .channels_max = 2,
580 .rates = WM9712_AC97_RATES,
581 .formats = SND_SOC_STD_AC97_FMTS,},
582 .ops = &wm9712_dai_ops_hifi,
583},
584{
585 .name = "wm9712-aux",
586 .playback = {
587 .stream_name = "Aux Playback",
588 .channels_min = 1,
589 .channels_max = 1,
590 .rates = WM9712_AC97_RATES,
591 .formats = SND_SOC_STD_AC97_FMTS,},
592 .ops = &wm9712_dai_ops_aux,
593}
594};
595
596static int wm9712_set_bias_level(struct snd_soc_component *component,
597 enum snd_soc_bias_level level)
598{
599 switch (level) {
600 case SND_SOC_BIAS_ON:
601 case SND_SOC_BIAS_PREPARE:
602 break;
603 case SND_SOC_BIAS_STANDBY:
604 snd_soc_component_write(component, AC97_POWERDOWN, 0x0000);
605 break;
606 case SND_SOC_BIAS_OFF:
607 /* disable everything including AC link */
608 snd_soc_component_write(component, AC97_EXTENDED_MSTATUS, 0xffff);
609 snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
610 break;
611 }
612 return 0;
613}
614
615static int wm9712_soc_resume(struct snd_soc_component *component)
616{
617 struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
618 int ret;
619
620 ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID,
621 WM9712_VENDOR_ID_MASK);
622 if (ret < 0)
623 return ret;
624
625 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
626
627 if (ret == 0)
628 snd_soc_component_cache_sync(component);
629
630 return ret;
631}
632
633static int wm9712_soc_probe(struct snd_soc_component *component)
634{
635 struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
636 struct regmap *regmap;
637
638 if (wm9712->mfd_pdata) {
639 wm9712->ac97 = wm9712->mfd_pdata->ac97;
640 regmap = wm9712->mfd_pdata->regmap;
641 } else if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS)) {
642 int ret;
643
644 wm9712->ac97 = snd_soc_new_ac97_component(component, WM9712_VENDOR_ID,
645 WM9712_VENDOR_ID_MASK);
646 if (IS_ERR(wm9712->ac97)) {
647 ret = PTR_ERR(wm9712->ac97);
648 dev_err(component->dev,
649 "Failed to register AC97 codec: %d\n", ret);
650 return ret;
651 }
652
653 regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
654 if (IS_ERR(regmap)) {
655 snd_soc_free_ac97_component(wm9712->ac97);
656 return PTR_ERR(regmap);
657 }
658 } else {
659 return -ENXIO;
660 }
661
662 snd_soc_component_init_regmap(component, regmap);
663
664 /* set alc mux to none */
665 snd_soc_component_update_bits(component, AC97_VIDEO, 0x3000, 0x3000);
666
667 return 0;
668}
669
670static void wm9712_soc_remove(struct snd_soc_component *component)
671{
672 struct wm9712_priv *wm9712 = snd_soc_component_get_drvdata(component);
673
674 if (IS_ENABLED(CONFIG_SND_SOC_AC97_BUS) && !wm9712->mfd_pdata) {
675 snd_soc_component_exit_regmap(component);
676 snd_soc_free_ac97_component(wm9712->ac97);
677 }
678}
679
680static const struct snd_soc_component_driver soc_component_dev_wm9712 = {
681 .probe = wm9712_soc_probe,
682 .remove = wm9712_soc_remove,
683 .resume = wm9712_soc_resume,
684 .set_bias_level = wm9712_set_bias_level,
685 .controls = wm9712_snd_ac97_controls,
686 .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
687 .dapm_widgets = wm9712_dapm_widgets,
688 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
689 .dapm_routes = wm9712_audio_map,
690 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
691 .suspend_bias_off = 1,
692 .idle_bias_on = 1,
693 .use_pmdown_time = 1,
694 .endianness = 1,
695};
696
697static int wm9712_probe(struct platform_device *pdev)
698{
699 struct wm9712_priv *wm9712;
700
701 wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
702 if (wm9712 == NULL)
703 return -ENOMEM;
704
705 mutex_init(&wm9712->lock);
706
707 wm9712->mfd_pdata = dev_get_platdata(&pdev->dev);
708 platform_set_drvdata(pdev, wm9712);
709
710 return devm_snd_soc_register_component(&pdev->dev,
711 &soc_component_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
712}
713
714static struct platform_driver wm9712_component_driver = {
715 .driver = {
716 .name = "wm9712-codec",
717 },
718
719 .probe = wm9712_probe,
720};
721
722module_platform_driver(wm9712_component_driver);
723
724MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
725MODULE_AUTHOR("Liam Girdwood");
726MODULE_LICENSE("GPL");
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
27static unsigned int ac97_read(struct snd_soc_codec *codec,
28 unsigned int reg);
29static int ac97_write(struct snd_soc_codec *codec,
30 unsigned int reg, unsigned int val);
31
32/*
33 * WM9712 register cache
34 */
35static 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
59static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
60static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
61static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
62 "Mono"};
63static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
64static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
65static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
66static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
67static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
68 "Stereo"};
69static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
70 "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
71static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
72static const char *wm9712_diff_sel[] = {"Mic", "Line"};
73
74static const struct soc_enum wm9712_enum[] = {
75SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
76SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
77SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
78SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
79SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
80SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
81SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
82SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
83SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
84SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
85SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
86SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
87};
88
89static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
90SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
91SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
92SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
93SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
94SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
95
96SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
97SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
98SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
99SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
100SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
101SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
102
103SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
104SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
105SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
106SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
107SOC_ENUM("ALC Function", wm9712_enum[0]),
108SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
109SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
110SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
111SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
112SOC_ENUM("ALC NG Type", wm9712_enum[10]),
113SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
114
115SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
116SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
117
118SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
119SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
120SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
121
122SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
123SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
124SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
125
126SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
127SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
128SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
129
130SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
131SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
132
133SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
134SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
135
136SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
137SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
138SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
139
140SOC_ENUM("Bass Control", wm9712_enum[5]),
141SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
142SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
143SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
144SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
145SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
146
147SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
148SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
149SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
150SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
151
152SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
153SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
154SOC_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 */
161static 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 */
209static 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 */
219static 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 */
229static 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 */
238static 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 */
248static const struct snd_kcontrol_new wm9712_alc_mux_controls =
249SOC_DAPM_ENUM("Route", wm9712_enum[1]);
250
251/* out 3 mux */
252static const struct snd_kcontrol_new wm9712_out3_mux_controls =
253SOC_DAPM_ENUM("Route", wm9712_enum[2]);
254
255/* spk mux */
256static const struct snd_kcontrol_new wm9712_spk_mux_controls =
257SOC_DAPM_ENUM("Route", wm9712_enum[3]);
258
259/* Capture to Phone mux */
260static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
261SOC_DAPM_ENUM("Route", wm9712_enum[4]);
262
263/* Capture left select */
264static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
265SOC_DAPM_ENUM("Route", wm9712_enum[8]);
266
267/* Capture right select */
268static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
269SOC_DAPM_ENUM("Route", wm9712_enum[9]);
270
271/* Mic select */
272static const struct snd_kcontrol_new wm9712_mic_src_controls =
273SOC_DAPM_ENUM("Route", wm9712_enum[7]);
274
275/* diff select */
276static const struct snd_kcontrol_new wm9712_diff_sel_controls =
277SOC_DAPM_ENUM("Route", wm9712_enum[11]);
278
279static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
280SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
281 &wm9712_alc_mux_controls),
282SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
283 &wm9712_out3_mux_controls),
284SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
285 &wm9712_spk_mux_controls),
286SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
287 &wm9712_capture_phone_mux_controls),
288SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
289 &wm9712_capture_selectl_controls),
290SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
291 &wm9712_capture_selectr_controls),
292SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
293 &wm9712_mic_src_controls),
294SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
295 &wm9712_diff_sel_controls),
296SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
297SND_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),
300SND_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),
303SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
304 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
305SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
306 &wm9712_speaker_mixer_controls[0],
307 ARRAY_SIZE(wm9712_speaker_mixer_controls)),
308SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
309SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
310SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
311SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
312SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
313SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
314SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
315SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
316SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
317SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
318SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
319SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
320SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
321SND_SOC_DAPM_OUTPUT("MONOOUT"),
322SND_SOC_DAPM_OUTPUT("HPOUTL"),
323SND_SOC_DAPM_OUTPUT("HPOUTR"),
324SND_SOC_DAPM_OUTPUT("LOUT2"),
325SND_SOC_DAPM_OUTPUT("ROUT2"),
326SND_SOC_DAPM_OUTPUT("OUT3"),
327SND_SOC_DAPM_INPUT("LINEINL"),
328SND_SOC_DAPM_INPUT("LINEINR"),
329SND_SOC_DAPM_INPUT("PHONE"),
330SND_SOC_DAPM_INPUT("PCBEEP"),
331SND_SOC_DAPM_INPUT("MIC1"),
332SND_SOC_DAPM_INPUT("MIC2"),
333};
334
335static const struct snd_soc_dapm_route wm9712_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
432static unsigned int ac97_read(struct snd_soc_codec *codec,
433 unsigned int reg)
434{
435 u16 *cache = codec->reg_cache;
436
437 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
438 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
439 reg == AC97_REC_GAIN)
440 return soc_ac97_ops.read(codec->ac97, reg);
441 else {
442 reg = reg >> 1;
443
444 if (reg >= (ARRAY_SIZE(wm9712_reg)))
445 return -EIO;
446
447 return cache[reg];
448 }
449}
450
451static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
452 unsigned int val)
453{
454 u16 *cache = codec->reg_cache;
455
456 if (reg < 0x7c)
457 soc_ac97_ops.write(codec->ac97, reg, val);
458 reg = reg >> 1;
459 if (reg < (ARRAY_SIZE(wm9712_reg)))
460 cache[reg] = val;
461
462 return 0;
463}
464
465static int ac97_prepare(struct snd_pcm_substream *substream,
466 struct snd_soc_dai *dai)
467{
468 struct snd_pcm_runtime *runtime = substream->runtime;
469 struct snd_soc_pcm_runtime *rtd = substream->private_data;
470 struct snd_soc_codec *codec =rtd->codec;
471 int reg;
472 u16 vra;
473
474 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
475 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
476
477 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
478 reg = AC97_PCM_FRONT_DAC_RATE;
479 else
480 reg = AC97_PCM_LR_ADC_RATE;
481
482 return ac97_write(codec, reg, runtime->rate);
483}
484
485static int ac97_aux_prepare(struct snd_pcm_substream *substream,
486 struct snd_soc_dai *dai)
487{
488 struct snd_pcm_runtime *runtime = substream->runtime;
489 struct snd_soc_pcm_runtime *rtd = substream->private_data;
490 struct snd_soc_codec *codec = rtd->codec;
491 u16 vra, xsle;
492
493 vra = ac97_read(codec, AC97_EXTENDED_STATUS);
494 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
495 xsle = ac97_read(codec, AC97_PCI_SID);
496 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
497
498 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
499 return -ENODEV;
500
501 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
502}
503
504#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
505 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
506 SNDRV_PCM_RATE_48000)
507
508static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
509 .prepare = ac97_prepare,
510};
511
512static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
513 .prepare = ac97_aux_prepare,
514};
515
516static struct snd_soc_dai_driver wm9712_dai[] = {
517{
518 .name = "wm9712-hifi",
519 .ac97_control = 1,
520 .playback = {
521 .stream_name = "HiFi Playback",
522 .channels_min = 1,
523 .channels_max = 2,
524 .rates = WM9712_AC97_RATES,
525 .formats = SND_SOC_STD_AC97_FMTS,},
526 .capture = {
527 .stream_name = "HiFi Capture",
528 .channels_min = 1,
529 .channels_max = 2,
530 .rates = WM9712_AC97_RATES,
531 .formats = SND_SOC_STD_AC97_FMTS,},
532 .ops = &wm9712_dai_ops_hifi,
533},
534{
535 .name = "wm9712-aux",
536 .playback = {
537 .stream_name = "Aux Playback",
538 .channels_min = 1,
539 .channels_max = 1,
540 .rates = WM9712_AC97_RATES,
541 .formats = SND_SOC_STD_AC97_FMTS,},
542 .ops = &wm9712_dai_ops_aux,
543}
544};
545
546static int wm9712_set_bias_level(struct snd_soc_codec *codec,
547 enum snd_soc_bias_level level)
548{
549 switch (level) {
550 case SND_SOC_BIAS_ON:
551 case SND_SOC_BIAS_PREPARE:
552 break;
553 case SND_SOC_BIAS_STANDBY:
554 ac97_write(codec, AC97_POWERDOWN, 0x0000);
555 break;
556 case SND_SOC_BIAS_OFF:
557 /* disable everything including AC link */
558 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
559 ac97_write(codec, AC97_POWERDOWN, 0xffff);
560 break;
561 }
562 codec->dapm.bias_level = level;
563 return 0;
564}
565
566static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
567{
568 if (try_warm && soc_ac97_ops.warm_reset) {
569 soc_ac97_ops.warm_reset(codec->ac97);
570 if (ac97_read(codec, 0) == wm9712_reg[0])
571 return 1;
572 }
573
574 soc_ac97_ops.reset(codec->ac97);
575 if (soc_ac97_ops.warm_reset)
576 soc_ac97_ops.warm_reset(codec->ac97);
577 if (ac97_read(codec, 0) != wm9712_reg[0])
578 goto err;
579 return 0;
580
581err:
582 printk(KERN_ERR "WM9712 AC97 reset failed\n");
583 return -EIO;
584}
585
586static int wm9712_soc_suspend(struct snd_soc_codec *codec,
587 pm_message_t state)
588{
589 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
590 return 0;
591}
592
593static int wm9712_soc_resume(struct snd_soc_codec *codec)
594{
595 int i, ret;
596 u16 *cache = codec->reg_cache;
597
598 ret = wm9712_reset(codec, 1);
599 if (ret < 0) {
600 printk(KERN_ERR "could not reset AC97 codec\n");
601 return ret;
602 }
603
604 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
605
606 if (ret == 0) {
607 /* Sync reg_cache with the hardware after cold reset */
608 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
609 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
610 (i > 0x58 && i != 0x5c))
611 continue;
612 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
613 }
614 }
615
616 return ret;
617}
618
619static int wm9712_soc_probe(struct snd_soc_codec *codec)
620{
621 int ret = 0;
622
623 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
624
625 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
626 if (ret < 0) {
627 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
628 return ret;
629 }
630
631 ret = wm9712_reset(codec, 0);
632 if (ret < 0) {
633 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
634 goto reset_err;
635 }
636
637 /* set alc mux to none */
638 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
639
640 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
641 snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
642 ARRAY_SIZE(wm9712_snd_ac97_controls));
643
644 return 0;
645
646reset_err:
647 snd_soc_free_ac97_codec(codec);
648 return ret;
649}
650
651static int wm9712_soc_remove(struct snd_soc_codec *codec)
652{
653 snd_soc_free_ac97_codec(codec);
654 return 0;
655}
656
657static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
658 .probe = wm9712_soc_probe,
659 .remove = wm9712_soc_remove,
660 .suspend = wm9712_soc_suspend,
661 .resume = wm9712_soc_resume,
662 .read = ac97_read,
663 .write = ac97_write,
664 .set_bias_level = wm9712_set_bias_level,
665 .reg_cache_size = ARRAY_SIZE(wm9712_reg),
666 .reg_word_size = sizeof(u16),
667 .reg_cache_step = 2,
668 .reg_cache_default = wm9712_reg,
669 .dapm_widgets = wm9712_dapm_widgets,
670 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
671 .dapm_routes = wm9712_audio_map,
672 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
673};
674
675static __devinit int wm9712_probe(struct platform_device *pdev)
676{
677 return snd_soc_register_codec(&pdev->dev,
678 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
679}
680
681static int __devexit wm9712_remove(struct platform_device *pdev)
682{
683 snd_soc_unregister_codec(&pdev->dev);
684 return 0;
685}
686
687static struct platform_driver wm9712_codec_driver = {
688 .driver = {
689 .name = "wm9712-codec",
690 .owner = THIS_MODULE,
691 },
692
693 .probe = wm9712_probe,
694 .remove = __devexit_p(wm9712_remove),
695};
696
697static int __init wm9712_init(void)
698{
699 return platform_driver_register(&wm9712_codec_driver);
700}
701module_init(wm9712_init);
702
703static void __exit wm9712_exit(void)
704{
705 platform_driver_unregister(&wm9712_codec_driver);
706}
707module_exit(wm9712_exit);
708
709MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
710MODULE_AUTHOR("Liam Girdwood");
711MODULE_LICENSE("GPL");