xref: /openbmc/linux/sound/soc/codecs/wm9713.c (revision e3b9f1e8)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006-10 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  *  Features:-
13  *
14  *   o Support for AC97 Codec, Voice DAC and Aux DAC
15  *   o Support for DAPM
16  */
17 
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/mfd/wm97xx.h>
21 #include <linux/module.h>
22 #include <linux/device.h>
23 #include <linux/regmap.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/ac97_codec.h>
27 #include <sound/ac97/codec.h>
28 #include <sound/ac97/compat.h>
29 #include <sound/initval.h>
30 #include <sound/pcm_params.h>
31 #include <sound/tlv.h>
32 #include <sound/soc.h>
33 
34 #include "wm9713.h"
35 
36 #define WM9713_VENDOR_ID 0x574d4c13
37 #define WM9713_VENDOR_ID_MASK 0xffffffff
38 
39 struct wm9713_priv {
40 	struct snd_ac97 *ac97;
41 	u32 pll_in; /* PLL input frequency */
42 	unsigned int hp_mixer[2];
43 	struct mutex lock;
44 	struct wm97xx_platform_data *mfd_pdata;
45 };
46 
47 #define HPL_MIXER 0
48 #define HPR_MIXER 1
49 
50 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
51 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
52 static const char *wm9713_rec_src[] =
53 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
54 	"Mono Out", "Zh"};
55 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
56 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
57 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv"};
58 static const char *wm9713_spk_pga[] =
59 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
60 	"Speaker Vmid", "Inv Vmid"};
61 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
62 	"Headphone Vmid"};
63 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
64 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
65 static const char *wm9713_dac_inv[] =
66 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
67 	"Headphone Mono", "NC", "Vmid"};
68 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
69 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
70 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
71 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
72 
73 static const struct soc_enum wm9713_enum[] = {
74 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
75 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
76 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
77 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
78 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
79 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
80 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
81 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
82 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
83 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
84 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
85 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
86 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
87 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
88 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
89 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
90 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
91 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
92 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
93 SOC_ENUM_SINGLE_VIRT(2, wm9713_micb_select), /* mic selection 19 */
94 };
95 
96 static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
97 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
98 static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
99 static const  DECLARE_TLV_DB_RANGE(mic_tlv,
100 	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
101 	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0)
102 );
103 
104 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
105 SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
106 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
107 SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
108 	       out_tlv),
109 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
110 SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
111 SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
112 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
113 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
114 SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
115 SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
116 
117 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
118 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
119 
120 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
121 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
122 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
123 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
124 
125 SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
126 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
127 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
128 
129 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
130 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
131 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
132 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
133 SOC_ENUM("ALC Function", wm9713_enum[6]),
134 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
135 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
136 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
137 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
138 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
139 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
140 
141 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
142 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
143 
144 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
145 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
146 SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
147 
148 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
149 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
150 SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
151 
152 SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
153 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
154 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
155 SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
156 
157 SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
158 	       misc_tlv),
159 SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
160 	       misc_tlv),
161 SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
162 
163 SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
164 	       misc_tlv),
165 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
166 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
167 
168 SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
169 	       misc_tlv),
170 
171 SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
172 	       misc_tlv),
173 SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
174 	       misc_tlv),
175 
176 SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
177 	       misc_tlv),
178 SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
179 	       misc_tlv),
180 
181 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
182 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
183 
184 SOC_ENUM("Bass Control", wm9713_enum[16]),
185 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
186 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
187 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
188 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
189 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
190 
191 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
192 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
193 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
194 };
195 
196 static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
197 				 struct snd_kcontrol *kcontrol, int event)
198 {
199 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
200 
201 	if (WARN_ON(event != SND_SOC_DAPM_PRE_PMD))
202 		return -EINVAL;
203 
204 	/* Gracefully shut down the voice interface. */
205 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, 0x0200);
206 	schedule_timeout_interruptible(msecs_to_jiffies(1));
207 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, 0x0f00);
208 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x1000, 0x1000);
209 
210 	return 0;
211 }
212 
213 static const unsigned int wm9713_mixer_mute_regs[] = {
214 	AC97_PC_BEEP,
215 	AC97_MASTER_TONE,
216 	AC97_PHONE,
217 	AC97_REC_SEL,
218 	AC97_PCM,
219 	AC97_AUX,
220 };
221 
222 /* We have to create a fake left and right HP mixers because
223  * the codec only has a single control that is shared by both channels.
224  * This makes it impossible to determine the audio path using the current
225  * register map, thus we add a new (virtual) register to help determine the
226  * audio route within the device.
227  */
228 static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
229 	struct snd_ctl_elem_value *ucontrol)
230 {
231 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
232 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
233 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
234 	unsigned int val = ucontrol->value.integer.value[0];
235 	struct soc_mixer_control *mc =
236 		(struct soc_mixer_control *)kcontrol->private_value;
237 	unsigned int mixer, mask, shift, old;
238 	struct snd_soc_dapm_update update = { 0 };
239 	bool change;
240 
241 	mixer = mc->shift >> 8;
242 	shift = mc->shift & 0xff;
243 	mask = (1 << shift);
244 
245 	mutex_lock(&wm9713->lock);
246 	old = wm9713->hp_mixer[mixer];
247 	if (ucontrol->value.integer.value[0])
248 		wm9713->hp_mixer[mixer] |= mask;
249 	else
250 		wm9713->hp_mixer[mixer] &= ~mask;
251 
252 	change = old != wm9713->hp_mixer[mixer];
253 	if (change) {
254 		update.kcontrol = kcontrol;
255 		update.reg = wm9713_mixer_mute_regs[shift];
256 		update.mask = 0x8000;
257 		if ((wm9713->hp_mixer[0] & mask) ||
258 		    (wm9713->hp_mixer[1] & mask))
259 			update.val = 0x0;
260 		else
261 			update.val = 0x8000;
262 
263 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
264 			&update);
265 	}
266 
267 	mutex_unlock(&wm9713->lock);
268 
269 	return change;
270 }
271 
272 static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol,
273 	struct snd_ctl_elem_value *ucontrol)
274 {
275 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
276 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
277 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
278 	struct soc_mixer_control *mc =
279 		(struct soc_mixer_control *)kcontrol->private_value;
280 	unsigned int mixer, shift;
281 
282 	mixer = mc->shift >> 8;
283 	shift = mc->shift & 0xff;
284 
285 	ucontrol->value.integer.value[0] =
286 		(wm9713->hp_mixer[mixer] >> shift) & 1;
287 
288 	return 0;
289 }
290 
291 #define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \
292 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
293 	.info = snd_soc_info_volsw, \
294 	.get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \
295 	.private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \
296 		xshift, xmixer, 1, 0, 0) \
297 }
298 
299 /* Left Headphone Mixers */
300 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
301 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5),
302 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4),
303 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3),
304 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2),
305 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1),
306 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0),
307 };
308 
309 /* Right Headphone Mixers */
310 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
311 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5),
312 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4),
313 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3),
314 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2),
315 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1),
316 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0),
317 };
318 
319 /* headphone capture mux */
320 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
321 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
322 
323 /* headphone mic mux */
324 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
325 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
326 
327 /* Speaker Mixer */
328 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
329 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
330 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
331 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
332 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
333 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
334 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
335 };
336 
337 /* Mono Mixer */
338 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
339 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
340 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
341 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
342 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
343 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
344 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
345 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
346 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
347 };
348 
349 /* mono mic mux */
350 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
351 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
352 
353 /* mono output mux */
354 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
355 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
356 
357 /* speaker left output mux */
358 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
359 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
360 
361 /* speaker right output mux */
362 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
363 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
364 
365 /* headphone left output mux */
366 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
367 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
368 
369 /* headphone right output mux */
370 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
371 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
372 
373 /* Out3 mux */
374 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
375 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
376 
377 /* Out4 mux */
378 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
379 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
380 
381 /* DAC inv mux 1 */
382 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
383 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
384 
385 /* DAC inv mux 2 */
386 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
387 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
388 
389 /* Capture source left */
390 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
391 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
392 
393 /* Capture source right */
394 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
395 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
396 
397 /* mic source */
398 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
399 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
400 
401 /* mic source B virtual control */
402 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
403 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
404 
405 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
406 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
407 	&wm9713_hp_rec_mux_controls),
408 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
409 	&wm9713_hp_mic_mux_controls),
410 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
411 	&wm9713_mono_mic_mux_controls),
412 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
413 	&wm9713_mono_mux_controls),
414 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
415 	&wm9713_hp_spkl_mux_controls),
416 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
417 	&wm9713_hp_spkr_mux_controls),
418 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
419 	&wm9713_hpl_out_mux_controls),
420 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
421 	&wm9713_hpr_out_mux_controls),
422 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
423 	&wm9713_out3_mux_controls),
424 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
425 	&wm9713_out4_mux_controls),
426 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
427 	&wm9713_dac_inv1_mux_controls),
428 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
429 	&wm9713_dac_inv2_mux_controls),
430 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
431 	&wm9713_rec_srcl_mux_controls),
432 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
433 	&wm9713_rec_srcr_mux_controls),
434 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
435 	&wm9713_mic_sel_mux_controls),
436 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
437 	&wm9713_micb_sel_mux_controls),
438 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
439 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)),
440 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
441 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)),
442 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
443 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
444 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
445 	&wm9713_speaker_mixer_controls[0],
446 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
447 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
448 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
449 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
450 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
451 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
452 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
453 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
454 		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
455 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
456 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
457 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
458 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
459 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
460 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
461 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
462 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
463 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
464 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
465 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
466 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
467 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
468 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
469 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
470 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
471 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
472 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
473 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
474 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
475 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
476 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
477 SND_SOC_DAPM_OUTPUT("MONO"),
478 SND_SOC_DAPM_OUTPUT("HPL"),
479 SND_SOC_DAPM_OUTPUT("HPR"),
480 SND_SOC_DAPM_OUTPUT("SPKL"),
481 SND_SOC_DAPM_OUTPUT("SPKR"),
482 SND_SOC_DAPM_OUTPUT("OUT3"),
483 SND_SOC_DAPM_OUTPUT("OUT4"),
484 SND_SOC_DAPM_INPUT("LINEL"),
485 SND_SOC_DAPM_INPUT("LINER"),
486 SND_SOC_DAPM_INPUT("MONOIN"),
487 SND_SOC_DAPM_INPUT("PCBEEP"),
488 SND_SOC_DAPM_INPUT("MIC1"),
489 SND_SOC_DAPM_INPUT("MIC2A"),
490 SND_SOC_DAPM_INPUT("MIC2B"),
491 SND_SOC_DAPM_VMID("VMID"),
492 };
493 
494 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
495 	/* left HP mixer */
496 	{"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
497 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
498 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
499 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
500 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
501 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
502 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
503 
504 	/* right HP mixer */
505 	{"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
506 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
507 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
508 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
509 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
510 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
511 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
512 
513 	/* virtual mixer - mixes left & right channels for spk and mono */
514 	{"AC97 Mixer", NULL, "Left DAC"},
515 	{"AC97 Mixer", NULL, "Right DAC"},
516 	{"Line Mixer", NULL, "Right Line In"},
517 	{"Line Mixer", NULL, "Left Line In"},
518 	{"HP Mixer", NULL, "Left HP Mixer"},
519 	{"HP Mixer", NULL, "Right HP Mixer"},
520 	{"Capture Mixer", NULL, "Left Capture Source"},
521 	{"Capture Mixer", NULL, "Right Capture Source"},
522 
523 	/* speaker mixer */
524 	{"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
525 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
526 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
527 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
528 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
529 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
530 
531 	/* mono mixer */
532 	{"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
533 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
534 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
535 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
536 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
537 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
538 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
539 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
540 
541 	/* DAC inv mux 1 */
542 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
543 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
544 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
545 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
546 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
547 
548 	/* DAC inv mux 2 */
549 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
550 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
551 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
552 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
553 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
554 
555 	/* headphone left mux */
556 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
557 
558 	/* headphone right mux */
559 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
560 
561 	/* speaker left mux */
562 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
563 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
564 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
565 
566 	/* speaker right mux */
567 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
568 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
569 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
570 
571 	/* mono mux */
572 	{"Mono Out Mux", "Mono", "Mono Mixer"},
573 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
574 
575 	/* out 3 mux */
576 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
577 
578 	/* out 4 mux */
579 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
580 
581 	/* output pga */
582 	{"HPL", NULL, "Left Headphone"},
583 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
584 	{"HPR", NULL, "Right Headphone"},
585 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
586 	{"OUT3", NULL, "Out 3"},
587 	{"Out 3", NULL, "Out 3 Mux"},
588 	{"OUT4", NULL, "Out 4"},
589 	{"Out 4", NULL, "Out 4 Mux"},
590 	{"SPKL", NULL, "Left Speaker"},
591 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
592 	{"SPKR", NULL, "Right Speaker"},
593 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
594 	{"MONO", NULL, "Mono Out"},
595 	{"Mono Out", NULL, "Mono Out Mux"},
596 
597 	/* input pga */
598 	{"Left Line In", NULL, "LINEL"},
599 	{"Right Line In", NULL, "LINER"},
600 	{"Mono In", NULL, "MONOIN"},
601 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
602 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
603 
604 	/* left capture select */
605 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
606 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
607 	{"Left Capture Source", "Line", "LINEL"},
608 	{"Left Capture Source", "Mono In", "MONOIN"},
609 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
610 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
611 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
612 
613 	/* right capture select */
614 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
615 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
616 	{"Right Capture Source", "Line", "LINER"},
617 	{"Right Capture Source", "Mono In", "MONOIN"},
618 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
619 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
620 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
621 
622 	/* left ADC */
623 	{"Left ADC", NULL, "Left Capture Source"},
624 	{"Left Voice ADC", NULL, "Left ADC"},
625 	{"Left HiFi ADC", NULL, "Left ADC"},
626 
627 	/* right ADC */
628 	{"Right ADC", NULL, "Right Capture Source"},
629 	{"Right Voice ADC", NULL, "Right ADC"},
630 	{"Right HiFi ADC", NULL, "Right ADC"},
631 
632 	/* mic */
633 	{"Mic A Pre Amp", NULL, "Mic A Source"},
634 	{"Mic A Source", "Mic 1", "MIC1"},
635 	{"Mic A Source", "Mic 2 A", "MIC2A"},
636 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
637 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
638 	{"Mic B Source", NULL, "MIC2B"},
639 
640 	/* headphone capture */
641 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
642 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
643 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
644 
645 	/* mono capture */
646 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
647 	{"Capture Mono Mux", "Left", "Left Capture Source"},
648 	{"Capture Mono Mux", "Right", "Right Capture Source"},
649 };
650 
651 static bool wm9713_readable_reg(struct device *dev, unsigned int reg)
652 {
653 	switch (reg) {
654 	case AC97_RESET ... AC97_PCM_SURR_DAC_RATE:
655 	case AC97_PCM_LR_ADC_RATE:
656 	case AC97_CENTER_LFE_MASTER:
657 	case AC97_SPDIF ... AC97_LINE1_LEVEL:
658 	case AC97_GPIO_CFG ... 0x5c:
659 	case AC97_CODEC_CLASS_REV ... AC97_PCI_SID:
660 	case 0x74 ... AC97_VENDOR_ID2:
661 		return true;
662 	default:
663 		return false;
664 	}
665 }
666 
667 static bool wm9713_writeable_reg(struct device *dev, unsigned int reg)
668 {
669 	switch (reg) {
670 	case AC97_VENDOR_ID1:
671 	case AC97_VENDOR_ID2:
672 		return false;
673 	default:
674 		return wm9713_readable_reg(dev, reg);
675 	}
676 }
677 
678 static const struct reg_default wm9713_reg_defaults[] = {
679 	{ 0x02, 0x8080 },	/* Speaker Output Volume */
680 	{ 0x04, 0x8080 },	/* Headphone Output Volume */
681 	{ 0x06, 0x8080 },	/* Out3/OUT4 Volume */
682 	{ 0x08, 0xc880 },	/* Mono Volume */
683 	{ 0x0a, 0xe808 },	/* LINEIN Volume */
684 	{ 0x0c, 0xe808 },	/* DAC PGA Volume */
685 	{ 0x0e, 0x0808 },	/* MIC PGA Volume */
686 	{ 0x10, 0x00da },	/* MIC Routing Control */
687 	{ 0x12, 0x8000 },	/* Record PGA Volume */
688 	{ 0x14, 0xd600 },	/* Record Routing */
689 	{ 0x16, 0xaaa0 },	/* PCBEEP Volume */
690 	{ 0x18, 0xaaa0 },	/* VxDAC Volume */
691 	{ 0x1a, 0xaaa0 },	/* AUXDAC Volume */
692 	{ 0x1c, 0x0000 },	/* Output PGA Mux */
693 	{ 0x1e, 0x0000 },	/* DAC 3D control */
694 	{ 0x20, 0x0f0f },	/* DAC Tone Control*/
695 	{ 0x22, 0x0040 },	/* MIC Input Select & Bias */
696 	{ 0x24, 0x0000 },	/* Output Volume Mapping & Jack */
697 	{ 0x26, 0x7f00 },	/* Powerdown Ctrl/Stat*/
698 	{ 0x28, 0x0405 },	/* Extended Audio ID */
699 	{ 0x2a, 0x0410 },	/* Extended Audio Start/Ctrl */
700 	{ 0x2c, 0xbb80 },	/* Audio DACs Sample Rate */
701 	{ 0x2e, 0xbb80 },	/* AUXDAC Sample Rate */
702 	{ 0x32, 0xbb80 },	/* Audio ADCs Sample Rate */
703 	{ 0x36, 0x4523 },	/* PCM codec control */
704 	{ 0x3a, 0x2000 },	/* SPDIF control */
705 	{ 0x3c, 0xfdff },	/* Powerdown 1 */
706 	{ 0x3e, 0xffff },	/* Powerdown 2 */
707 	{ 0x40, 0x0000 },	/* General Purpose */
708 	{ 0x42, 0x0000 },	/* Fast Power-Up Control */
709 	{ 0x44, 0x0080 },	/* MCLK/PLL Control */
710 	{ 0x46, 0x0000 },	/* MCLK/PLL Control */
711 	{ 0x4c, 0xfffe },	/* GPIO Pin Configuration */
712 	{ 0x4e, 0xffff },	/* GPIO Pin Polarity / Type */
713 	{ 0x50, 0x0000 },	/* GPIO Pin Sticky */
714 	{ 0x52, 0x0000 },	/* GPIO Pin Wake-Up */
715 				/* GPIO Pin Status */
716 	{ 0x56, 0xfffe },	/* GPIO Pin Sharing */
717 	{ 0x58, 0x4000 },	/* GPIO PullUp/PullDown */
718 	{ 0x5a, 0x0000 },	/* Additional Functions 1 */
719 	{ 0x5c, 0x0000 },	/* Additional Functions 2 */
720 	{ 0x60, 0xb032 },	/* ALC Control */
721 	{ 0x62, 0x3e00 },	/* ALC / Noise Gate Control */
722 	{ 0x64, 0x0000 },	/* AUXDAC input control */
723 	{ 0x74, 0x0000 },	/* Digitiser Reg 1 */
724 	{ 0x76, 0x0006 },	/* Digitiser Reg 2 */
725 	{ 0x78, 0x0001 },	/* Digitiser Reg 3 */
726 	{ 0x7a, 0x0000 },	/* Digitiser Read Back */
727 };
728 
729 static const struct regmap_config wm9713_regmap_config = {
730 	.reg_bits = 16,
731 	.reg_stride = 2,
732 	.val_bits = 16,
733 	.max_register = 0x7e,
734 	.cache_type = REGCACHE_RBTREE,
735 
736 	.reg_defaults = wm9713_reg_defaults,
737 	.num_reg_defaults = ARRAY_SIZE(wm9713_reg_defaults),
738 	.volatile_reg = regmap_ac97_default_volatile,
739 	.readable_reg = wm9713_readable_reg,
740 	.writeable_reg = wm9713_writeable_reg,
741 };
742 
743 /* PLL divisors */
744 struct _pll_div {
745 	u32 divsel:1;
746 	u32 divctl:1;
747 	u32 lf:1;
748 	u32 n:4;
749 	u32 k:24;
750 };
751 
752 /* The size in bits of the PLL divide multiplied by 10
753  * to allow rounding later */
754 #define FIXED_PLL_SIZE ((1 << 22) * 10)
755 
756 static void pll_factors(struct snd_soc_codec *codec,
757 	struct _pll_div *pll_div, unsigned int source)
758 {
759 	u64 Kpart;
760 	unsigned int K, Ndiv, Nmod, target;
761 
762 	/* The the PLL output is always 98.304MHz. */
763 	target = 98304000;
764 
765 	/* If the input frequency is over 14.4MHz then scale it down. */
766 	if (source > 14400000) {
767 		source >>= 1;
768 		pll_div->divsel = 1;
769 
770 		if (source > 14400000) {
771 			source >>= 1;
772 			pll_div->divctl = 1;
773 		} else
774 			pll_div->divctl = 0;
775 
776 	} else {
777 		pll_div->divsel = 0;
778 		pll_div->divctl = 0;
779 	}
780 
781 	/* Low frequency sources require an additional divide in the
782 	 * loop.
783 	 */
784 	if (source < 8192000) {
785 		pll_div->lf = 1;
786 		target >>= 2;
787 	} else
788 		pll_div->lf = 0;
789 
790 	Ndiv = target / source;
791 	if ((Ndiv < 5) || (Ndiv > 12))
792 		dev_warn(codec->dev,
793 			"WM9713 PLL N value %u out of recommended range!\n",
794 			Ndiv);
795 
796 	pll_div->n = Ndiv;
797 	Nmod = target % source;
798 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
799 
800 	do_div(Kpart, source);
801 
802 	K = Kpart & 0xFFFFFFFF;
803 
804 	/* Check if we need to round */
805 	if ((K % 10) >= 5)
806 		K += 5;
807 
808 	/* Move down to proper range now rounding is done */
809 	K /= 10;
810 
811 	pll_div->k = K;
812 }
813 
814 /**
815  * Please note that changing the PLL input frequency may require
816  * resynchronisation with the AC97 controller.
817  */
818 static int wm9713_set_pll(struct snd_soc_codec *codec,
819 	int pll_id, unsigned int freq_in, unsigned int freq_out)
820 {
821 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
822 	u16 reg, reg2;
823 	struct _pll_div pll_div;
824 
825 	/* turn PLL off ? */
826 	if (freq_in == 0) {
827 		/* disable PLL power and select ext source */
828 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0080, 0x0080);
829 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x0200, 0x0200);
830 		wm9713->pll_in = 0;
831 		return 0;
832 	}
833 
834 	pll_factors(codec, &pll_div, freq_in);
835 
836 	if (pll_div.k == 0) {
837 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
838 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
839 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
840 	} else {
841 		/* write the fractional k to the reg 0x46 pages */
842 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
843 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
844 
845 		/* K [21:20] */
846 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
847 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
848 
849 		/* K [19:16] */
850 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
851 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
852 
853 		/* K [15:12] */
854 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
855 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
856 
857 		/* K [11:8] */
858 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
859 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
860 
861 		/* K [7:4] */
862 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
863 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
864 
865 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
866 		snd_soc_write(codec, AC97_LINE1_LEVEL, reg);
867 	}
868 
869 	/* turn PLL on and select as source */
870 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x0200, 0x0000);
871 	snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0080, 0x0000);
872 	wm9713->pll_in = freq_in;
873 
874 	/* wait 10ms AC97 link frames for the link to stabilise */
875 	schedule_timeout_interruptible(msecs_to_jiffies(10));
876 	return 0;
877 }
878 
879 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
880 		int source, unsigned int freq_in, unsigned int freq_out)
881 {
882 	struct snd_soc_codec *codec = codec_dai->codec;
883 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
884 }
885 
886 /*
887  * Tristate the PCM DAI lines, tristate can be disabled by calling
888  * wm9713_set_dai_fmt()
889  */
890 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
891 	int tristate)
892 {
893 	struct snd_soc_codec *codec = codec_dai->codec;
894 
895 	if (tristate)
896 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
897 				    0x6000, 0x0000);
898 
899 	return 0;
900 }
901 
902 /*
903  * Configure WM9713 clock dividers.
904  * Voice DAC needs 256 FS
905  */
906 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
907 		int div_id, int div)
908 {
909 	struct snd_soc_codec *codec = codec_dai->codec;
910 
911 	switch (div_id) {
912 	case WM9713_PCMCLK_DIV:
913 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0f00, div);
914 		break;
915 	case WM9713_CLKA_MULT:
916 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0002, div);
917 		break;
918 	case WM9713_CLKB_MULT:
919 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x0004, div);
920 		break;
921 	case WM9713_HIFI_DIV:
922 		snd_soc_update_bits(codec, AC97_HANDSET_RATE, 0x7000, div);
923 		break;
924 	case WM9713_PCMBCLK_DIV:
925 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER, 0x0e00, div);
926 		break;
927 	case WM9713_PCMCLK_PLL_DIV:
928 		snd_soc_update_bits(codec, AC97_LINE1_LEVEL,
929 				    0x007f, div | 0x60);
930 		break;
931 	case WM9713_HIFI_PLL_DIV:
932 		snd_soc_update_bits(codec, AC97_LINE1_LEVEL,
933 				    0x007f, div | 0x70);
934 		break;
935 	default:
936 		return -EINVAL;
937 	}
938 
939 	return 0;
940 }
941 
942 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
943 		unsigned int fmt)
944 {
945 	struct snd_soc_codec *codec = codec_dai->codec;
946 	u16 gpio = snd_soc_read(codec, AC97_GPIO_CFG) & 0xffc5;
947 	u16 reg = 0x8000;
948 
949 	/* clock masters */
950 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
951 	case SND_SOC_DAIFMT_CBM_CFM:
952 		reg |= 0x4000;
953 		gpio |= 0x0010;
954 		break;
955 	case SND_SOC_DAIFMT_CBM_CFS:
956 		reg |= 0x6000;
957 		gpio |= 0x0018;
958 		break;
959 	case SND_SOC_DAIFMT_CBS_CFS:
960 		reg |= 0x2000;
961 		gpio |= 0x001a;
962 		break;
963 	case SND_SOC_DAIFMT_CBS_CFM:
964 		gpio |= 0x0012;
965 		break;
966 	}
967 
968 	/* clock inversion */
969 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
970 	case SND_SOC_DAIFMT_IB_IF:
971 		reg |= 0x00c0;
972 		break;
973 	case SND_SOC_DAIFMT_IB_NF:
974 		reg |= 0x0080;
975 		break;
976 	case SND_SOC_DAIFMT_NB_IF:
977 		reg |= 0x0040;
978 		break;
979 	}
980 
981 	/* DAI format */
982 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
983 	case SND_SOC_DAIFMT_I2S:
984 		reg |= 0x0002;
985 		break;
986 	case SND_SOC_DAIFMT_RIGHT_J:
987 		break;
988 	case SND_SOC_DAIFMT_LEFT_J:
989 		reg |= 0x0001;
990 		break;
991 	case SND_SOC_DAIFMT_DSP_A:
992 		reg |= 0x0003;
993 		break;
994 	case SND_SOC_DAIFMT_DSP_B:
995 		reg |= 0x0043;
996 		break;
997 	}
998 
999 	snd_soc_write(codec, AC97_GPIO_CFG, gpio);
1000 	snd_soc_write(codec, AC97_CENTER_LFE_MASTER, reg);
1001 	return 0;
1002 }
1003 
1004 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
1005 				struct snd_pcm_hw_params *params,
1006 				struct snd_soc_dai *dai)
1007 {
1008 	struct snd_soc_codec *codec = dai->codec;
1009 
1010 	/* enable PCM interface in master mode */
1011 	switch (params_width(params)) {
1012 	case 16:
1013 		break;
1014 	case 20:
1015 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1016 				    0x000c, 0x0004);
1017 		break;
1018 	case 24:
1019 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1020 				    0x000c, 0x0008);
1021 		break;
1022 	case 32:
1023 		snd_soc_update_bits(codec, AC97_CENTER_LFE_MASTER,
1024 				    0x000c, 0x000c);
1025 		break;
1026 	}
1027 	return 0;
1028 }
1029 
1030 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
1031 			     struct snd_soc_dai *dai)
1032 {
1033 	struct snd_soc_codec *codec = dai->codec;
1034 	struct snd_pcm_runtime *runtime = substream->runtime;
1035 	int reg;
1036 
1037 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x0001, 0x0001);
1038 
1039 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1040 		reg = AC97_PCM_FRONT_DAC_RATE;
1041 	else
1042 		reg = AC97_PCM_LR_ADC_RATE;
1043 
1044 	return snd_soc_write(codec, reg, runtime->rate);
1045 }
1046 
1047 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
1048 			    struct snd_soc_dai *dai)
1049 {
1050 	struct snd_soc_codec *codec = dai->codec;
1051 	struct snd_pcm_runtime *runtime = substream->runtime;
1052 
1053 	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x0001, 0x0001);
1054 	snd_soc_update_bits(codec, AC97_PCI_SID, 0x8000, 0x8000);
1055 
1056 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1057 		return -ENODEV;
1058 
1059 	return snd_soc_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1060 }
1061 
1062 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
1063 		      SNDRV_PCM_RATE_11025 |	\
1064 		      SNDRV_PCM_RATE_22050 |	\
1065 		      SNDRV_PCM_RATE_44100 |	\
1066 		      SNDRV_PCM_RATE_48000)
1067 
1068 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
1069 			  SNDRV_PCM_RATE_11025 |	\
1070 			  SNDRV_PCM_RATE_16000 |	\
1071 			  SNDRV_PCM_RATE_22050 |	\
1072 			  SNDRV_PCM_RATE_44100 |	\
1073 			  SNDRV_PCM_RATE_48000)
1074 
1075 #define WM9713_PCM_FORMATS \
1076 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1077 	 SNDRV_PCM_FMTBIT_S24_LE)
1078 
1079 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1080 	.prepare	= ac97_hifi_prepare,
1081 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1082 	.set_pll	= wm9713_set_dai_pll,
1083 };
1084 
1085 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1086 	.prepare	= ac97_aux_prepare,
1087 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1088 	.set_pll	= wm9713_set_dai_pll,
1089 };
1090 
1091 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1092 	.hw_params	= wm9713_pcm_hw_params,
1093 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1094 	.set_pll	= wm9713_set_dai_pll,
1095 	.set_fmt	= wm9713_set_dai_fmt,
1096 	.set_tristate	= wm9713_set_dai_tristate,
1097 };
1098 
1099 static struct snd_soc_dai_driver wm9713_dai[] = {
1100 {
1101 	.name = "wm9713-hifi",
1102 	.playback = {
1103 		.stream_name = "HiFi Playback",
1104 		.channels_min = 1,
1105 		.channels_max = 2,
1106 		.rates = WM9713_RATES,
1107 		.formats = SND_SOC_STD_AC97_FMTS,},
1108 	.capture = {
1109 		.stream_name = "HiFi Capture",
1110 		.channels_min = 1,
1111 		.channels_max = 2,
1112 		.rates = WM9713_RATES,
1113 		.formats = SND_SOC_STD_AC97_FMTS,},
1114 	.ops = &wm9713_dai_ops_hifi,
1115 	},
1116 	{
1117 	.name = "wm9713-aux",
1118 	.playback = {
1119 		.stream_name = "Aux Playback",
1120 		.channels_min = 1,
1121 		.channels_max = 1,
1122 		.rates = WM9713_RATES,
1123 		.formats = SND_SOC_STD_AC97_FMTS,},
1124 	.ops = &wm9713_dai_ops_aux,
1125 	},
1126 	{
1127 	.name = "wm9713-voice",
1128 	.playback = {
1129 		.stream_name = "Voice Playback",
1130 		.channels_min = 1,
1131 		.channels_max = 1,
1132 		.rates = WM9713_PCM_RATES,
1133 		.formats = WM9713_PCM_FORMATS,},
1134 	.capture = {
1135 		.stream_name = "Voice Capture",
1136 		.channels_min = 1,
1137 		.channels_max = 2,
1138 		.rates = WM9713_PCM_RATES,
1139 		.formats = WM9713_PCM_FORMATS,},
1140 	.ops = &wm9713_dai_ops_voice,
1141 	.symmetric_rates = 1,
1142 	},
1143 };
1144 
1145 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1146 				 enum snd_soc_bias_level level)
1147 {
1148 	switch (level) {
1149 	case SND_SOC_BIAS_ON:
1150 		/* enable thermal shutdown */
1151 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0xe400, 0x0000);
1152 		break;
1153 	case SND_SOC_BIAS_PREPARE:
1154 		break;
1155 	case SND_SOC_BIAS_STANDBY:
1156 		/* enable master bias and vmid */
1157 		snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0xc400, 0x0000);
1158 		snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
1159 		break;
1160 	case SND_SOC_BIAS_OFF:
1161 		/* disable everything including AC link */
1162 		snd_soc_write(codec, AC97_EXTENDED_MID, 0xffff);
1163 		snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1164 		snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
1165 		break;
1166 	}
1167 	return 0;
1168 }
1169 
1170 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1171 {
1172 	/* Disable everything except touchpanel - that will be handled
1173 	 * by the touch driver and left disabled if touch is not in
1174 	 * use. */
1175 	snd_soc_update_bits(codec, AC97_EXTENDED_MID, 0x7fff,
1176 				 0x7fff);
1177 	snd_soc_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1178 	snd_soc_write(codec, AC97_POWERDOWN, 0x6f00);
1179 	snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
1180 
1181 	return 0;
1182 }
1183 
1184 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1185 {
1186 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1187 	int ret;
1188 
1189 	ret = snd_ac97_reset(wm9713->ac97, true, WM9713_VENDOR_ID,
1190 		WM9713_VENDOR_ID_MASK);
1191 	if (ret < 0)
1192 		return ret;
1193 
1194 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1195 
1196 	/* do we need to re-start the PLL ? */
1197 	if (wm9713->pll_in)
1198 		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1199 
1200 	/* only synchronise the codec if warm reset failed */
1201 	if (ret == 0) {
1202 		regcache_mark_dirty(codec->component.regmap);
1203 		snd_soc_cache_sync(codec);
1204 	}
1205 
1206 	return ret;
1207 }
1208 
1209 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1210 {
1211 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1212 	struct regmap *regmap = NULL;
1213 
1214 	if (wm9713->mfd_pdata) {
1215 		wm9713->ac97 = wm9713->mfd_pdata->ac97;
1216 		regmap = wm9713->mfd_pdata->regmap;
1217 	} else {
1218 #ifdef CONFIG_SND_SOC_AC97_BUS
1219 		wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID,
1220 						      WM9713_VENDOR_ID_MASK);
1221 		if (IS_ERR(wm9713->ac97))
1222 			return PTR_ERR(wm9713->ac97);
1223 		regmap = regmap_init_ac97(wm9713->ac97, &wm9713_regmap_config);
1224 		if (IS_ERR(regmap)) {
1225 			snd_soc_free_ac97_codec(wm9713->ac97);
1226 			return PTR_ERR(regmap);
1227 		}
1228 #endif
1229 	}
1230 
1231 	snd_soc_codec_init_regmap(codec, regmap);
1232 
1233 	/* unmute the adc - move to kcontrol */
1234 	snd_soc_update_bits(codec, AC97_CD, 0x7fff, 0x0000);
1235 
1236 	return 0;
1237 }
1238 
1239 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1240 {
1241 #ifdef CONFIG_SND_SOC_AC97_BUS
1242 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1243 
1244 	if (!wm9713->mfd_pdata) {
1245 		snd_soc_codec_exit_regmap(codec);
1246 		snd_soc_free_ac97_codec(wm9713->ac97);
1247 	}
1248 #endif
1249 	return 0;
1250 }
1251 
1252 static const struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1253 	.probe = 	wm9713_soc_probe,
1254 	.remove = 	wm9713_soc_remove,
1255 	.suspend =	wm9713_soc_suspend,
1256 	.resume = 	wm9713_soc_resume,
1257 	.set_bias_level = wm9713_set_bias_level,
1258 
1259 	.component_driver = {
1260 		.controls		= wm9713_snd_ac97_controls,
1261 		.num_controls		= ARRAY_SIZE(wm9713_snd_ac97_controls),
1262 		.dapm_widgets		= wm9713_dapm_widgets,
1263 		.num_dapm_widgets	= ARRAY_SIZE(wm9713_dapm_widgets),
1264 		.dapm_routes		= wm9713_audio_map,
1265 		.num_dapm_routes	= ARRAY_SIZE(wm9713_audio_map),
1266 	},
1267 };
1268 
1269 static int wm9713_probe(struct platform_device *pdev)
1270 {
1271 	struct wm9713_priv *wm9713;
1272 
1273 	wm9713 = devm_kzalloc(&pdev->dev, sizeof(*wm9713), GFP_KERNEL);
1274 	if (wm9713 == NULL)
1275 		return -ENOMEM;
1276 
1277 	mutex_init(&wm9713->lock);
1278 
1279 	wm9713->mfd_pdata = dev_get_platdata(&pdev->dev);
1280 	platform_set_drvdata(pdev, wm9713);
1281 
1282 	return snd_soc_register_codec(&pdev->dev,
1283 			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1284 }
1285 
1286 static int wm9713_remove(struct platform_device *pdev)
1287 {
1288 	snd_soc_unregister_codec(&pdev->dev);
1289 	return 0;
1290 }
1291 
1292 static struct platform_driver wm9713_codec_driver = {
1293 	.driver = {
1294 			.name = "wm9713-codec",
1295 	},
1296 
1297 	.probe = wm9713_probe,
1298 	.remove = wm9713_remove,
1299 };
1300 
1301 module_platform_driver(wm9713_codec_driver);
1302 
1303 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1304 MODULE_AUTHOR("Liam Girdwood");
1305 MODULE_LICENSE("GPL");
1306