xref: /openbmc/linux/sound/soc/codecs/wm9712.c (revision e639c869)
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/mfd/wm97xx.h>
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/device.h>
19 #include <linux/regmap.h>
20 #include <sound/core.h>
21 #include <sound/pcm.h>
22 #include <sound/ac97_codec.h>
23 #include <sound/ac97/codec.h>
24 #include <sound/ac97/compat.h>
25 #include <sound/initval.h>
26 #include <sound/soc.h>
27 #include <sound/tlv.h>
28 
29 #define WM9712_VENDOR_ID 0x574d4c12
30 #define WM9712_VENDOR_ID_MASK 0xffffffff
31 
32 struct wm9712_priv {
33 	struct snd_ac97 *ac97;
34 	unsigned int hp_mixer[2];
35 	struct mutex lock;
36 	struct wm97xx_platform_data *mfd_pdata;
37 };
38 
39 static const struct reg_default wm9712_reg_defaults[] = {
40 	{ 0x02, 0x8000 },
41 	{ 0x04, 0x8000 },
42 	{ 0x06, 0x8000 },
43 	{ 0x08, 0x0f0f },
44 	{ 0x0a, 0xaaa0 },
45 	{ 0x0c, 0xc008 },
46 	{ 0x0e, 0x6808 },
47 	{ 0x10, 0xe808 },
48 	{ 0x12, 0xaaa0 },
49 	{ 0x14, 0xad00 },
50 	{ 0x16, 0x8000 },
51 	{ 0x18, 0xe808 },
52 	{ 0x1a, 0x3000 },
53 	{ 0x1c, 0x8000 },
54 	{ 0x20, 0x0000 },
55 	{ 0x22, 0x0000 },
56 	{ 0x26, 0x000f },
57 	{ 0x28, 0x0605 },
58 	{ 0x2a, 0x0410 },
59 	{ 0x2c, 0xbb80 },
60 	{ 0x2e, 0xbb80 },
61 	{ 0x32, 0xbb80 },
62 	{ 0x34, 0x2000 },
63 	{ 0x4c, 0xf83e },
64 	{ 0x4e, 0xffff },
65 	{ 0x50, 0x0000 },
66 	{ 0x52, 0x0000 },
67 	{ 0x56, 0xf83e },
68 	{ 0x58, 0x0008 },
69 	{ 0x5c, 0x0000 },
70 	{ 0x60, 0xb032 },
71 	{ 0x62, 0x3e00 },
72 	{ 0x64, 0x0000 },
73 	{ 0x76, 0x0006 },
74 	{ 0x78, 0x0001 },
75 	{ 0x7a, 0x0000 },
76 };
77 
78 static bool wm9712_volatile_reg(struct device *dev, unsigned int reg)
79 {
80 	switch (reg) {
81 	case AC97_REC_GAIN:
82 		return true;
83 	default:
84 		return regmap_ac97_default_volatile(dev, reg);
85 	}
86 }
87 
88 static const struct regmap_config wm9712_regmap_config = {
89 	.reg_bits = 16,
90 	.reg_stride = 2,
91 	.val_bits = 16,
92 	.max_register = 0x7e,
93 	.cache_type = REGCACHE_RBTREE,
94 
95 	.volatile_reg = wm9712_volatile_reg,
96 
97 	.reg_defaults = wm9712_reg_defaults,
98 	.num_reg_defaults = ARRAY_SIZE(wm9712_reg_defaults),
99 };
100 
101 #define HPL_MIXER	0x0
102 #define HPR_MIXER	0x1
103 
104 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
105 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
106 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
107 	"Mono"};
108 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
109 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
110 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
111 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
112 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
113 	"Stereo"};
114 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
115 	"Line", "Headphone Mixer", "Phone Mixer", "Phone"};
116 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
117 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
118 
119 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
120 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
121 
122 static const struct soc_enum wm9712_enum[] = {
123 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
124 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
125 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
126 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
127 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
128 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
129 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
130 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
131 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
132 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
133 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
134 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
135 };
136 
137 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
138 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
139 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
140 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
141 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
142 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
143 
144 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
145 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
146 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
147 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
148 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
149 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
150 
151 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
152 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
153 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
154 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
155 SOC_ENUM("ALC Function", wm9712_enum[0]),
156 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
157 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
158 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
159 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
160 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
161 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
162 
163 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
164 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
165 
166 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
167 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
168 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
169 
170 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
171 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
172 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
173 
174 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
175 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
176 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
177 
178 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
179 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
180 
181 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
182 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
183 	       boost_tlv),
184 
185 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
186 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
187 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
188 
189 SOC_ENUM("Bass Control", wm9712_enum[5]),
190 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
191 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
192 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
193 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
194 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
195 
196 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
197 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
198 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
199 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
200 
201 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
202 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
203 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
204 };
205 
206 static const unsigned int wm9712_mixer_mute_regs[] = {
207 	AC97_VIDEO,
208 	AC97_PCM,
209 	AC97_LINE,
210 	AC97_PHONE,
211 	AC97_CD,
212 	AC97_PC_BEEP,
213 };
214 
215 /* We have to create a fake left and right HP mixers because
216  * the codec only has a single control that is shared by both channels.
217  * This makes it impossible to determine the audio path.
218  */
219 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
220 	struct snd_ctl_elem_value *ucontrol)
221 {
222 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
223 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
224 	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
225 	unsigned int val = ucontrol->value.integer.value[0];
226 	struct soc_mixer_control *mc =
227 		(struct soc_mixer_control *)kcontrol->private_value;
228 	unsigned int mixer, mask, shift, old;
229 	struct snd_soc_dapm_update update = { 0 };
230 	bool change;
231 
232 	mixer = mc->shift >> 8;
233 	shift = mc->shift & 0xff;
234 	mask = 1 << shift;
235 
236 	mutex_lock(&wm9712->lock);
237 	old = wm9712->hp_mixer[mixer];
238 	if (ucontrol->value.integer.value[0])
239 		wm9712->hp_mixer[mixer] |= mask;
240 	else
241 		wm9712->hp_mixer[mixer] &= ~mask;
242 
243 	change = old != wm9712->hp_mixer[mixer];
244 	if (change) {
245 		update.kcontrol = kcontrol;
246 		update.reg = wm9712_mixer_mute_regs[shift];
247 		update.mask = 0x8000;
248 		if ((wm9712->hp_mixer[0] & mask) ||
249 		    (wm9712->hp_mixer[1] & mask))
250 			update.val = 0x0;
251 		else
252 			update.val = 0x8000;
253 
254 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
255 			&update);
256 	}
257 
258 	mutex_unlock(&wm9712->lock);
259 
260 	return change;
261 }
262 
263 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
264 	struct snd_ctl_elem_value *ucontrol)
265 {
266 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
267 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
268 	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
269 	struct soc_mixer_control *mc =
270 		(struct soc_mixer_control *)kcontrol->private_value;
271 	unsigned int shift, mixer;
272 
273 	mixer = mc->shift >> 8;
274 	shift = mc->shift & 0xff;
275 
276 	ucontrol->value.integer.value[0] =
277 		(wm9712->hp_mixer[mixer] >> shift) & 1;
278 
279 	return 0;
280 }
281 
282 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
283 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
284 	.info = snd_soc_info_volsw, \
285 	.get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
286 	.private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
287 		(xmixer << 8) | xshift, 1, 0, 0) \
288 }
289 
290 /* Left Headphone Mixers */
291 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
292 	WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
293 	WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
294 	WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
295 	WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
296 	WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
297 	WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
298 };
299 
300 /* Right Headphone Mixers */
301 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
302 	WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
303 	WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
304 	WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
305 	WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
306 	WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
307 	WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
308 };
309 
310 /* Speaker Mixer */
311 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
312 	SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
313 	SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
314 	SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
315 	SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
316 	SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
317 };
318 
319 /* Phone Mixer */
320 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
321 	SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
322 	SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
323 	SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
324 	SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
325 	SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
326 	SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
327 };
328 
329 /* ALC headphone mux */
330 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
331 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
332 
333 /* out 3 mux */
334 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
335 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
336 
337 /* spk mux */
338 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
339 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
340 
341 /* Capture to Phone mux */
342 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
343 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
344 
345 /* Capture left select */
346 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
347 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
348 
349 /* Capture right select */
350 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
351 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
352 
353 /* Mic select */
354 static const struct snd_kcontrol_new wm9712_mic_src_controls =
355 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
356 
357 /* diff select */
358 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
359 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
360 
361 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
362 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
363 	&wm9712_alc_mux_controls),
364 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
365 	&wm9712_out3_mux_controls),
366 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
367 	&wm9712_spk_mux_controls),
368 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
369 	&wm9712_capture_phone_mux_controls),
370 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
371 	&wm9712_capture_selectl_controls),
372 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
373 	&wm9712_capture_selectr_controls),
374 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
375 	&wm9712_mic_src_controls),
376 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
377 	&wm9712_mic_src_controls),
378 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
379 	&wm9712_diff_sel_controls),
380 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
381 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
382 	&wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
383 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
384 	&wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
385 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
386 	&wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
387 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
388 	&wm9712_speaker_mixer_controls[0],
389 	ARRAY_SIZE(wm9712_speaker_mixer_controls)),
390 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
391 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
392 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
393 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
394 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
395 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
396 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
397 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
398 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
399 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
400 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
401 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
402 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
403 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
404 SND_SOC_DAPM_OUTPUT("MONOOUT"),
405 SND_SOC_DAPM_OUTPUT("HPOUTL"),
406 SND_SOC_DAPM_OUTPUT("HPOUTR"),
407 SND_SOC_DAPM_OUTPUT("LOUT2"),
408 SND_SOC_DAPM_OUTPUT("ROUT2"),
409 SND_SOC_DAPM_OUTPUT("OUT3"),
410 SND_SOC_DAPM_INPUT("LINEINL"),
411 SND_SOC_DAPM_INPUT("LINEINR"),
412 SND_SOC_DAPM_INPUT("PHONE"),
413 SND_SOC_DAPM_INPUT("PCBEEP"),
414 SND_SOC_DAPM_INPUT("MIC1"),
415 SND_SOC_DAPM_INPUT("MIC2"),
416 };
417 
418 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
419 	/* virtual mixer - mixes left & right channels for spk and mono */
420 	{"AC97 Mixer", NULL, "Left DAC"},
421 	{"AC97 Mixer", NULL, "Right DAC"},
422 
423 	/* Left HP mixer */
424 	{"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
425 	{"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
426 	{"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
427 	{"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
428 	{"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
429 	{"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
430 	{"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
431 
432 	/* Right HP mixer */
433 	{"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
434 	{"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
435 	{"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
436 	{"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
437 	{"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
438 	{"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
439 	{"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
440 
441 	/* speaker mixer */
442 	{"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
443 	{"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
444 	{"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
445 	{"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
446 	{"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
447 
448 	/* Phone mixer */
449 	{"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
450 	{"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
451 	{"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
452 	{"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
453 	{"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
454 	{"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
455 
456 	/* inputs */
457 	{"Line PGA", NULL, "LINEINL"},
458 	{"Line PGA", NULL, "LINEINR"},
459 	{"Phone PGA", NULL, "PHONE"},
460 	{"Mic PGA", NULL, "MIC1"},
461 	{"Mic PGA", NULL, "MIC2"},
462 
463 	/* microphones */
464 	{"Differential Mic", NULL, "MIC1"},
465 	{"Differential Mic", NULL, "MIC2"},
466 	{"Left Mic Select Source", "Mic 1", "MIC1"},
467 	{"Left Mic Select Source", "Mic 2", "MIC2"},
468 	{"Left Mic Select Source", "Stereo", "MIC1"},
469 	{"Left Mic Select Source", "Differential", "Differential Mic"},
470 	{"Right Mic Select Source", "Mic 1", "MIC1"},
471 	{"Right Mic Select Source", "Mic 2", "MIC2"},
472 	{"Right Mic Select Source", "Stereo", "MIC2"},
473 	{"Right Mic Select Source", "Differential", "Differential Mic"},
474 
475 	/* left capture selector */
476 	{"Left Capture Select", "Mic", "MIC1"},
477 	{"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
478 	{"Left Capture Select", "Line", "LINEINL"},
479 	{"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
480 	{"Left Capture Select", "Phone Mixer", "Phone Mixer"},
481 	{"Left Capture Select", "Phone", "PHONE"},
482 
483 	/* right capture selector */
484 	{"Right Capture Select", "Mic", "MIC2"},
485 	{"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
486 	{"Right Capture Select", "Line", "LINEINR"},
487 	{"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
488 	{"Right Capture Select", "Phone Mixer", "Phone Mixer"},
489 	{"Right Capture Select", "Phone", "PHONE"},
490 
491 	/* ALC Sidetone */
492 	{"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
493 	{"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
494 	{"ALC Sidetone Mux", "Left", "Left Capture Select"},
495 	{"ALC Sidetone Mux", "Right", "Right Capture Select"},
496 
497 	/* ADC's */
498 	{"Left ADC", NULL, "Left Capture Select"},
499 	{"Right ADC", NULL, "Right Capture Select"},
500 
501 	/* outputs */
502 	{"MONOOUT", NULL, "Phone Mixer"},
503 	{"HPOUTL", NULL, "Headphone PGA"},
504 	{"Headphone PGA", NULL, "Left HP Mixer"},
505 	{"HPOUTR", NULL, "Headphone PGA"},
506 	{"Headphone PGA", NULL, "Right HP Mixer"},
507 
508 	/* mono mixer */
509 	{"Mono Mixer", NULL, "Left HP Mixer"},
510 	{"Mono Mixer", NULL, "Right HP Mixer"},
511 
512 	/* Out3 Mux */
513 	{"Out3 Mux", "Left", "Left HP Mixer"},
514 	{"Out3 Mux", "Mono", "Phone Mixer"},
515 	{"Out3 Mux", "Left + Right", "Mono Mixer"},
516 	{"Out 3 PGA", NULL, "Out3 Mux"},
517 	{"OUT3", NULL, "Out 3 PGA"},
518 
519 	/* speaker Mux */
520 	{"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
521 	{"Speaker Mux", "Headphone Mix", "Mono Mixer"},
522 	{"Speaker PGA", NULL, "Speaker Mux"},
523 	{"LOUT2", NULL, "Speaker PGA"},
524 	{"ROUT2", NULL, "Speaker PGA"},
525 };
526 
527 static int ac97_prepare(struct snd_pcm_substream *substream,
528 			struct snd_soc_dai *dai)
529 {
530 	struct snd_soc_codec *codec = dai->codec;
531 	int reg;
532 	struct snd_pcm_runtime *runtime = substream->runtime;
533 
534 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x1, 0x1);
535 
536 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
537 		reg = AC97_PCM_FRONT_DAC_RATE;
538 	else
539 		reg = AC97_PCM_LR_ADC_RATE;
540 
541 	return snd_soc_write(codec, reg, runtime->rate);
542 }
543 
544 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
545 			    struct snd_soc_dai *dai)
546 {
547 	struct snd_soc_codec *codec = dai->codec;
548 	struct snd_pcm_runtime *runtime = substream->runtime;
549 
550 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x1, 0x1);
551 	snd_soc_update_bits(codec, AC97_PCI_SID, 0x8000, 0x8000);
552 
553 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
554 		return -ENODEV;
555 
556 	return snd_soc_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
557 }
558 
559 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
560 		SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
561 		SNDRV_PCM_RATE_48000)
562 
563 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
564 	.prepare	= ac97_prepare,
565 };
566 
567 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
568 	.prepare	= ac97_aux_prepare,
569 };
570 
571 static struct snd_soc_dai_driver wm9712_dai[] = {
572 {
573 	.name = "wm9712-hifi",
574 	.playback = {
575 		.stream_name = "HiFi Playback",
576 		.channels_min = 1,
577 		.channels_max = 2,
578 		.rates = WM9712_AC97_RATES,
579 		.formats = SND_SOC_STD_AC97_FMTS,},
580 	.capture = {
581 		.stream_name = "HiFi Capture",
582 		.channels_min = 1,
583 		.channels_max = 2,
584 		.rates = WM9712_AC97_RATES,
585 		.formats = SND_SOC_STD_AC97_FMTS,},
586 	.ops = &wm9712_dai_ops_hifi,
587 },
588 {
589 	.name = "wm9712-aux",
590 	.playback = {
591 		.stream_name = "Aux Playback",
592 		.channels_min = 1,
593 		.channels_max = 1,
594 		.rates = WM9712_AC97_RATES,
595 		.formats = SND_SOC_STD_AC97_FMTS,},
596 	.ops = &wm9712_dai_ops_aux,
597 }
598 };
599 
600 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
601 				 enum snd_soc_bias_level level)
602 {
603 	switch (level) {
604 	case SND_SOC_BIAS_ON:
605 	case SND_SOC_BIAS_PREPARE:
606 		break;
607 	case SND_SOC_BIAS_STANDBY:
608 		snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
609 		break;
610 	case SND_SOC_BIAS_OFF:
611 		/* disable everything including AC link */
612 		snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
613 		snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
614 		break;
615 	}
616 	return 0;
617 }
618 
619 static int wm9712_soc_resume(struct snd_soc_codec *codec)
620 {
621 	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
622 	int ret;
623 
624 	ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID,
625 		WM9712_VENDOR_ID_MASK);
626 	if (ret < 0)
627 		return ret;
628 
629 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
630 
631 	if (ret == 0)
632 		regcache_sync(codec->component.regmap);
633 
634 	return ret;
635 }
636 
637 static int wm9712_soc_probe(struct snd_soc_codec *codec)
638 {
639 	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
640 	struct regmap *regmap;
641 	int ret;
642 
643 	if (wm9712->mfd_pdata) {
644 		wm9712->ac97 = wm9712->mfd_pdata->ac97;
645 		regmap = wm9712->mfd_pdata->regmap;
646 	} else {
647 #ifdef CONFIG_SND_SOC_AC97_BUS
648 		wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
649 						      WM9712_VENDOR_ID_MASK);
650 		if (IS_ERR(wm9712->ac97)) {
651 			ret = PTR_ERR(wm9712->ac97);
652 			dev_err(codec->dev,
653 				"Failed to register AC97 codec: %d\n", ret);
654 			return ret;
655 		}
656 
657 		regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
658 		if (IS_ERR(regmap)) {
659 			snd_soc_free_ac97_codec(wm9712->ac97);
660 			return PTR_ERR(regmap);
661 		}
662 #endif
663 	}
664 
665 	snd_soc_codec_init_regmap(codec, regmap);
666 
667 	/* set alc mux to none */
668 	snd_soc_update_bits(codec, AC97_VIDEO, 0x3000, 0x3000);
669 
670 	return 0;
671 }
672 
673 static int wm9712_soc_remove(struct snd_soc_codec *codec)
674 {
675 #ifdef CONFIG_SND_SOC_AC97_BUS
676 	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
677 
678 	if (!wm9712->mfd_pdata) {
679 		snd_soc_codec_exit_regmap(codec);
680 		snd_soc_free_ac97_codec(wm9712->ac97);
681 	}
682 #endif
683 	return 0;
684 }
685 
686 static const struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
687 	.probe = 	wm9712_soc_probe,
688 	.remove = 	wm9712_soc_remove,
689 	.resume =	wm9712_soc_resume,
690 	.set_bias_level = wm9712_set_bias_level,
691 	.suspend_bias_off = true,
692 
693 	.component_driver = {
694 		.controls		= wm9712_snd_ac97_controls,
695 		.num_controls		= ARRAY_SIZE(wm9712_snd_ac97_controls),
696 		.dapm_widgets		= wm9712_dapm_widgets,
697 		.num_dapm_widgets	= ARRAY_SIZE(wm9712_dapm_widgets),
698 		.dapm_routes		= wm9712_audio_map,
699 		.num_dapm_routes	= ARRAY_SIZE(wm9712_audio_map),
700 	},
701 };
702 
703 static int wm9712_probe(struct platform_device *pdev)
704 {
705 	struct wm9712_priv *wm9712;
706 
707 	wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
708 	if (wm9712 == NULL)
709 		return -ENOMEM;
710 
711 	mutex_init(&wm9712->lock);
712 
713 	wm9712->mfd_pdata = dev_get_platdata(&pdev->dev);
714 	platform_set_drvdata(pdev, wm9712);
715 
716 	return snd_soc_register_codec(&pdev->dev,
717 			&soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
718 }
719 
720 static int wm9712_remove(struct platform_device *pdev)
721 {
722 	snd_soc_unregister_codec(&pdev->dev);
723 	return 0;
724 }
725 
726 static struct platform_driver wm9712_codec_driver = {
727 	.driver = {
728 		.name = "wm9712-codec",
729 	},
730 
731 	.probe = wm9712_probe,
732 	.remove = wm9712_remove,
733 };
734 
735 module_platform_driver(wm9712_codec_driver);
736 
737 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
738 MODULE_AUTHOR("Liam Girdwood");
739 MODULE_LICENSE("GPL");
740