Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

Linux/sound/soc/codecs/wm9712.c

  1 /*
  2  * wm9712.c  --  ALSA Soc WM9712 codec support
  3  *
  4  * Copyright 2006-12 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 <linux/regmap.h>
 19 #include <sound/core.h>
 20 #include <sound/pcm.h>
 21 #include <sound/ac97_codec.h>
 22 #include <sound/initval.h>
 23 #include <sound/soc.h>
 24 #include <sound/tlv.h>
 25 
 26 #define WM9712_VENDOR_ID 0x574d4c12
 27 #define WM9712_VENDOR_ID_MASK 0xffffffff
 28 
 29 struct wm9712_priv {
 30         struct snd_ac97 *ac97;
 31         unsigned int hp_mixer[2];
 32         struct mutex lock;
 33 };
 34 
 35 static 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 
 74 static 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 
 84 static 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_RBTREE,
 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 
100 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
101 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
102 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
103         "Mono"};
104 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
105 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
106 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
107 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
108 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
109         "Stereo"};
110 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
111         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
112 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
113 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
114 
115 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
116 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
117 
118 static const struct soc_enum wm9712_enum[] = {
119 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
120 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
121 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
122 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
123 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
124 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
125 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
126 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
127 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
128 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
129 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
130 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
131 };
132 
133 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
134 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
135 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
136 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
137 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
138 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
139 
140 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
141 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
142 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
143 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
144 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
145 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
146 
147 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
148 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
149 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
150 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
151 SOC_ENUM("ALC Function", wm9712_enum[0]),
152 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
153 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
154 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
155 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
156 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
157 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
158 
159 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
160 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
161 
162 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
163 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
164 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
165 
166 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
167 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
168 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
169 
170 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
171 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
172 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
173 
174 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
175 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
176 
177 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
178 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
179                boost_tlv),
180 
181 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
182 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
183 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
184 
185 SOC_ENUM("Bass Control", wm9712_enum[5]),
186 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
187 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
188 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
189 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
190 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
191 
192 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
193 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
194 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
195 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
196 
197 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
198 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
199 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
200 };
201 
202 static 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  */
215 static 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_codec *codec = snd_soc_dapm_to_codec(dapm);
220         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
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 = { 0 };
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 
259 static 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_codec *codec = snd_soc_dapm_to_codec(dapm);
264         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
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 */
287 static 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 */
297 static 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 */
307 static 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 */
316 static 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 */
326 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
327 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
328 
329 /* out 3 mux */
330 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
331 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
332 
333 /* spk mux */
334 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
335 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
336 
337 /* Capture to Phone mux */
338 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
339 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
340 
341 /* Capture left select */
342 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
343 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
344 
345 /* Capture right select */
346 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
347 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
348 
349 /* Mic select */
350 static const struct snd_kcontrol_new wm9712_mic_src_controls =
351 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
352 
353 /* diff select */
354 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
355 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
356 
357 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
358 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
359         &wm9712_alc_mux_controls),
360 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
361         &wm9712_out3_mux_controls),
362 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
363         &wm9712_spk_mux_controls),
364 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
365         &wm9712_capture_phone_mux_controls),
366 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
367         &wm9712_capture_selectl_controls),
368 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
369         &wm9712_capture_selectr_controls),
370 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
371         &wm9712_mic_src_controls),
372 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
373         &wm9712_mic_src_controls),
374 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
375         &wm9712_diff_sel_controls),
376 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
377 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
378         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
379 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
380         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
381 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
382         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
383 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
384         &wm9712_speaker_mixer_controls[0],
385         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
386 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
387 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
388 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
389 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
390 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
391 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
392 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
393 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
394 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
395 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
396 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
397 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
398 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
399 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
400 SND_SOC_DAPM_OUTPUT("MONOOUT"),
401 SND_SOC_DAPM_OUTPUT("HPOUTL"),
402 SND_SOC_DAPM_OUTPUT("HPOUTR"),
403 SND_SOC_DAPM_OUTPUT("LOUT2"),
404 SND_SOC_DAPM_OUTPUT("ROUT2"),
405 SND_SOC_DAPM_OUTPUT("OUT3"),
406 SND_SOC_DAPM_INPUT("LINEINL"),
407 SND_SOC_DAPM_INPUT("LINEINR"),
408 SND_SOC_DAPM_INPUT("PHONE"),
409 SND_SOC_DAPM_INPUT("PCBEEP"),
410 SND_SOC_DAPM_INPUT("MIC1"),
411 SND_SOC_DAPM_INPUT("MIC2"),
412 };
413 
414 static 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 
523 static int ac97_prepare(struct snd_pcm_substream *substream,
524                         struct snd_soc_dai *dai)
525 {
526         struct snd_soc_codec *codec = dai->codec;
527         int reg;
528         struct snd_pcm_runtime *runtime = substream->runtime;
529 
530         snd_soc_update_bits(codec, 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_write(codec, reg, runtime->rate);
538 }
539 
540 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
541                             struct snd_soc_dai *dai)
542 {
543         struct snd_soc_codec *codec = dai->codec;
544         struct snd_pcm_runtime *runtime = substream->runtime;
545 
546         snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x1, 0x1);
547         snd_soc_update_bits(codec, AC97_PCI_SID, 0x8000, 0x8000);
548 
549         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
550                 return -ENODEV;
551 
552         return snd_soc_write(codec, 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 
559 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
560         .prepare        = ac97_prepare,
561 };
562 
563 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
564         .prepare        = ac97_aux_prepare,
565 };
566 
567 static 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 
596 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
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_write(codec, AC97_POWERDOWN, 0x0000);
605                 break;
606         case SND_SOC_BIAS_OFF:
607                 /* disable everything including AC link */
608                 snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
609                 snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
610                 break;
611         }
612         return 0;
613 }
614 
615 static int wm9712_soc_resume(struct snd_soc_codec *codec)
616 {
617         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
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_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
626 
627         if (ret == 0)
628                 regcache_sync(codec->component.regmap);
629 
630         return ret;
631 }
632 
633 static int wm9712_soc_probe(struct snd_soc_codec *codec)
634 {
635         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
636         struct regmap *regmap;
637         int ret;
638 
639         wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
640                 WM9712_VENDOR_ID_MASK);
641         if (IS_ERR(wm9712->ac97)) {
642                 ret = PTR_ERR(wm9712->ac97);
643                 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
644                 return ret;
645         }
646 
647         regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
648         if (IS_ERR(regmap)) {
649                 ret = PTR_ERR(regmap);
650                 goto err_free_ac97_codec;
651         }
652 
653         snd_soc_codec_init_regmap(codec, regmap);
654 
655         /* set alc mux to none */
656         snd_soc_update_bits(codec, AC97_VIDEO, 0x3000, 0x3000);
657 
658         return 0;
659 err_free_ac97_codec:
660         snd_soc_free_ac97_codec(wm9712->ac97);
661         return ret;
662 }
663 
664 static int wm9712_soc_remove(struct snd_soc_codec *codec)
665 {
666         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
667 
668         snd_soc_codec_exit_regmap(codec);
669         snd_soc_free_ac97_codec(wm9712->ac97);
670         return 0;
671 }
672 
673 static const struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
674         .probe =        wm9712_soc_probe,
675         .remove =       wm9712_soc_remove,
676         .resume =       wm9712_soc_resume,
677         .set_bias_level = wm9712_set_bias_level,
678         .suspend_bias_off = true,
679 
680         .component_driver = {
681                 .controls               = wm9712_snd_ac97_controls,
682                 .num_controls           = ARRAY_SIZE(wm9712_snd_ac97_controls),
683                 .dapm_widgets           = wm9712_dapm_widgets,
684                 .num_dapm_widgets       = ARRAY_SIZE(wm9712_dapm_widgets),
685                 .dapm_routes            = wm9712_audio_map,
686                 .num_dapm_routes        = ARRAY_SIZE(wm9712_audio_map),
687         },
688 };
689 
690 static int wm9712_probe(struct platform_device *pdev)
691 {
692         struct wm9712_priv *wm9712;
693 
694         wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
695         if (wm9712 == NULL)
696                 return -ENOMEM;
697 
698         mutex_init(&wm9712->lock);
699 
700         platform_set_drvdata(pdev, wm9712);
701 
702         return snd_soc_register_codec(&pdev->dev,
703                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
704 }
705 
706 static int wm9712_remove(struct platform_device *pdev)
707 {
708         snd_soc_unregister_codec(&pdev->dev);
709         return 0;
710 }
711 
712 static struct platform_driver wm9712_codec_driver = {
713         .driver = {
714                 .name = "wm9712-codec",
715         },
716 
717         .probe = wm9712_probe,
718         .remove = wm9712_remove,
719 };
720 
721 module_platform_driver(wm9712_codec_driver);
722 
723 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
724 MODULE_AUTHOR("Liam Girdwood");
725 MODULE_LICENSE("GPL");
726 

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