xref: /openbmc/linux/sound/soc/codecs/wm9713.c (revision 22246614)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood
6  *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
7  *
8  *  This program is free software; you can redistribute  it and/or modify it
9  *  under  the terms of  the GNU General  Public License as published by the
10  *  Free Software Foundation;  either version 2 of the  License, or (at your
11  *  option) any later version.
12  *
13  *  Revision history
14  *    4th Feb 2006   Initial version.
15  *
16  *  Features:-
17  *
18  *   o Support for AC97 Codec, Voice DAC and Aux DAC
19  *   o Support for DAPM
20  */
21 
22 #include <linux/init.h>
23 #include <linux/module.h>
24 #include <linux/device.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/ac97_codec.h>
28 #include <sound/initval.h>
29 #include <sound/pcm_params.h>
30 #include <sound/soc.h>
31 #include <sound/soc-dapm.h>
32 
33 #include "wm9713.h"
34 
35 #define WM9713_VERSION "0.15"
36 
37 struct wm9713_priv {
38 	u32 pll_in; /* PLL input frequency */
39 	u32 pll_out; /* PLL output frequency */
40 };
41 
42 static unsigned int ac97_read(struct snd_soc_codec *codec,
43 	unsigned int reg);
44 static int ac97_write(struct snd_soc_codec *codec,
45 	unsigned int reg, unsigned int val);
46 
47 /*
48  * WM9713 register cache
49  * Reg 0x3c bit 15 is used by touch driver.
50  */
51 static const u16 wm9713_reg[] = {
52 	0x6174, 0x8080, 0x8080, 0x8080,
53 	0xc880, 0xe808, 0xe808, 0x0808,
54 	0x00da, 0x8000, 0xd600, 0xaaa0,
55 	0xaaa0, 0xaaa0, 0x0000, 0x0000,
56 	0x0f0f, 0x0040, 0x0000, 0x7f00,
57 	0x0405, 0x0410, 0xbb80, 0xbb80,
58 	0x0000, 0xbb80, 0x0000, 0x4523,
59 	0x0000, 0x2000, 0x7eff, 0xffff,
60 	0x0000, 0x0000, 0x0080, 0x0000,
61 	0x0000, 0x0000, 0xfffe, 0xffff,
62 	0x0000, 0x0000, 0x0000, 0xfffe,
63 	0x4000, 0x0000, 0x0000, 0x0000,
64 	0xb032, 0x3e00, 0x0000, 0x0000,
65 	0x0000, 0x0000, 0x0000, 0x0000,
66 	0x0000, 0x0000, 0x0000, 0x0006,
67 	0x0001, 0x0000, 0x574d, 0x4c13,
68 	0x0000, 0x0000, 0x0000
69 };
70 
71 /* virtual HP mixers regs */
72 #define HPL_MIXER	0x80
73 #define HPR_MIXER	0x82
74 #define MICB_MUX	0x82
75 
76 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
77 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
78 static const char *wm9713_rec_src[] =
79 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
80 	"Mono Out", "Zh"};
81 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
82 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
83 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
84 	"Mono Vmid", "Inv Vmid"};
85 static const char *wm9713_spk_pga[] =
86 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
87 	"Speaker Vmid", "Inv Vmid"};
88 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
89 	"Headphone Vmid"};
90 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
91 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
92 static const char *wm9713_dac_inv[] =
93 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
94 	"Headphone Mono", "NC", "Vmid"};
95 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
96 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
97 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
98 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
99 
100 static const struct soc_enum wm9713_enum[] = {
101 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
102 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
103 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
104 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
105 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
106 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
107 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
108 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
109 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
110 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
111 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
112 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
113 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
114 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
115 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
116 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
117 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
118 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
119 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
120 SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
121 };
122 
123 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
124 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
125 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
126 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
127 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
128 SOC_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1),
129 SOC_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1),
130 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
131 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
132 
133 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
134 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
135 
136 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
137 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
138 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
139 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
140 
141 SOC_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1),
142 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
143 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
144 
145 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
146 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
147 SOC_SINGLE("ALC Decay Time ", AC97_CODEC_CLASS_REV, 4, 15, 0),
148 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
149 SOC_ENUM("ALC Function", wm9713_enum[6]),
150 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
151 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
152 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
153 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
154 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
155 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
156 
157 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
158 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
159 
160 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
161 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
162 SOC_SINGLE("Out4 Playback Volume", AC97_MASTER_MONO, 8, 63, 1),
163 
164 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
165 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
166 SOC_SINGLE("Out3 Playback Volume", AC97_MASTER_MONO, 0, 63, 1),
167 
168 SOC_SINGLE("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1),
169 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
170 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
171 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1),
172 
173 SOC_SINGLE("PC Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1),
174 SOC_SINGLE("PC Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1),
175 SOC_SINGLE("PC Beep Playback Mono Volume", AC97_AUX, 4, 7, 1),
176 
177 SOC_SINGLE("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1),
178 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
179 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
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 SOC_SINGLE("Aux Playback Mono Volume", AC97_REC_SEL, 4, 7, 1),
184 
185 SOC_ENUM("Bass Control", wm9713_enum[16]),
186 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
187 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
188 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
189 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
190 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
191 
192 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
193 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
194 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
195 };
196 
197 /* add non dapm controls */
198 static int wm9713_add_controls(struct snd_soc_codec *codec)
199 {
200 	int err, i;
201 
202 	for (i = 0; i < ARRAY_SIZE(wm9713_snd_ac97_controls); i++) {
203 		err = snd_ctl_add(codec->card,
204 				snd_soc_cnew(&wm9713_snd_ac97_controls[i],
205 					codec, NULL));
206 		if (err < 0)
207 			return err;
208 	}
209 	return 0;
210 }
211 
212 /* We have to create a fake left and right HP mixers because
213  * the codec only has a single control that is shared by both channels.
214  * This makes it impossible to determine the audio path using the current
215  * register map, thus we add a new (virtual) register to help determine the
216  * audio route within the device.
217  */
218 static int mixer_event(struct snd_soc_dapm_widget *w,
219 	struct snd_kcontrol *kcontrol, int event)
220 {
221 	u16 l, r, beep, tone, phone, rec, pcm, aux;
222 
223 	l = ac97_read(w->codec, HPL_MIXER);
224 	r = ac97_read(w->codec, HPR_MIXER);
225 	beep = ac97_read(w->codec, AC97_PC_BEEP);
226 	tone = ac97_read(w->codec, AC97_MASTER_TONE);
227 	phone = ac97_read(w->codec, AC97_PHONE);
228 	rec = ac97_read(w->codec, AC97_REC_SEL);
229 	pcm = ac97_read(w->codec, AC97_PCM);
230 	aux = ac97_read(w->codec, AC97_AUX);
231 
232 	if (event & SND_SOC_DAPM_PRE_REG)
233 		return 0;
234 	if ((l & 0x1) || (r & 0x1))
235 		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
236 	else
237 		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
238 
239 	if ((l & 0x2) || (r & 0x2))
240 		ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
241 	else
242 		ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
243 
244 	if ((l & 0x4) || (r & 0x4))
245 		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
246 	else
247 		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
248 
249 	if ((l & 0x8) || (r & 0x8))
250 		ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
251 	else
252 		ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
253 
254 	if ((l & 0x10) || (r & 0x10))
255 		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
256 	else
257 		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
258 
259 	if ((l & 0x20) || (r & 0x20))
260 		ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
261 	else
262 		ac97_write(w->codec, AC97_AUX, aux | 0x8000);
263 
264 	return 0;
265 }
266 
267 /* Left Headphone Mixers */
268 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
269 SOC_DAPM_SINGLE("PC Beep Playback Switch", HPL_MIXER, 5, 1, 0),
270 SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
271 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
272 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
273 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
274 SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
275 };
276 
277 /* Right Headphone Mixers */
278 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
279 SOC_DAPM_SINGLE("PC Beep Playback Switch", HPR_MIXER, 5, 1, 0),
280 SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
281 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
282 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
283 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
284 SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
285 };
286 
287 /* headphone capture mux */
288 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
289 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
290 
291 /* headphone mic mux */
292 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
293 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
294 
295 /* Speaker Mixer */
296 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
297 SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 11, 1, 1),
298 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
299 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
300 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
301 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
302 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
303 };
304 
305 /* Mono Mixer */
306 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
307 SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 7, 1, 1),
308 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
309 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
310 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
311 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
312 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
313 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
314 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
315 };
316 
317 /* mono mic mux */
318 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
319 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
320 
321 /* mono output mux */
322 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
323 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
324 
325 /* speaker left output mux */
326 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
327 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
328 
329 /* speaker right output mux */
330 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
331 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
332 
333 /* headphone left output mux */
334 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
335 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
336 
337 /* headphone right output mux */
338 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
339 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
340 
341 /* Out3 mux */
342 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
343 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
344 
345 /* Out4 mux */
346 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
347 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
348 
349 /* DAC inv mux 1 */
350 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
351 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
352 
353 /* DAC inv mux 2 */
354 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
355 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
356 
357 /* Capture source left */
358 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
359 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
360 
361 /* Capture source right */
362 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
363 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
364 
365 /* mic source */
366 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
367 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
368 
369 /* mic source B virtual control */
370 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
371 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
372 
373 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
374 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
375 	&wm9713_hp_rec_mux_controls),
376 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
377 	&wm9713_hp_mic_mux_controls),
378 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
379 	&wm9713_mono_mic_mux_controls),
380 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
381 	&wm9713_mono_mux_controls),
382 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
383 	&wm9713_hp_spkl_mux_controls),
384 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
385 	&wm9713_hp_spkr_mux_controls),
386 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
387 	&wm9713_hpl_out_mux_controls),
388 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
389 	&wm9713_hpr_out_mux_controls),
390 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
391 	&wm9713_out3_mux_controls),
392 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
393 	&wm9713_out4_mux_controls),
394 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
395 	&wm9713_dac_inv1_mux_controls),
396 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
397 	&wm9713_dac_inv2_mux_controls),
398 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
399 	&wm9713_rec_srcl_mux_controls),
400 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
401 	&wm9713_rec_srcr_mux_controls),
402 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
403 	&wm9713_mic_sel_mux_controls),
404 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
405 	&wm9713_micb_sel_mux_controls),
406 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
407 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
408 	mixer_event, SND_SOC_DAPM_POST_REG),
409 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
410 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
411 	mixer_event, SND_SOC_DAPM_POST_REG),
412 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
413 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
414 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
415 	&wm9713_speaker_mixer_controls[0],
416 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
417 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
418 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
419 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
420 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
421 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
422 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
423 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
424 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
425 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_EXTENDED_MID, 5, 1),
426 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_EXTENDED_MID, 4, 1),
427 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
428 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
429 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
430 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
431 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
432 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
433 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
434 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
435 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
436 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
437 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
438 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
439 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
440 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
441 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
442 SND_SOC_DAPM_OUTPUT("MONO"),
443 SND_SOC_DAPM_OUTPUT("HPL"),
444 SND_SOC_DAPM_OUTPUT("HPR"),
445 SND_SOC_DAPM_OUTPUT("SPKL"),
446 SND_SOC_DAPM_OUTPUT("SPKR"),
447 SND_SOC_DAPM_OUTPUT("OUT3"),
448 SND_SOC_DAPM_OUTPUT("OUT4"),
449 SND_SOC_DAPM_INPUT("LINEL"),
450 SND_SOC_DAPM_INPUT("LINER"),
451 SND_SOC_DAPM_INPUT("MONOIN"),
452 SND_SOC_DAPM_INPUT("PCBEEP"),
453 SND_SOC_DAPM_INPUT("MIC1"),
454 SND_SOC_DAPM_INPUT("MIC2A"),
455 SND_SOC_DAPM_INPUT("MIC2B"),
456 SND_SOC_DAPM_VMID("VMID"),
457 };
458 
459 static const char *audio_map[][3] = {
460 	/* left HP mixer */
461 	{"Left HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
462 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
463 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
464 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
465 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
466 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
467 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
468 
469 	/* right HP mixer */
470 	{"Right HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
471 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
472 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
473 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
474 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
475 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
476 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
477 
478 	/* virtual mixer - mixes left & right channels for spk and mono */
479 	{"AC97 Mixer", NULL, "Left DAC"},
480 	{"AC97 Mixer", NULL, "Right DAC"},
481 	{"Line Mixer", NULL, "Right Line In"},
482 	{"Line Mixer", NULL, "Left Line In"},
483 	{"HP Mixer", NULL, "Left HP Mixer"},
484 	{"HP Mixer", NULL, "Right HP Mixer"},
485 	{"Capture Mixer", NULL, "Left Capture Source"},
486 	{"Capture Mixer", NULL, "Right Capture Source"},
487 
488 	/* speaker mixer */
489 	{"Speaker Mixer", "PC Beep Playback Switch", "PCBEEP"},
490 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
491 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
492 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
493 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
494 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
495 
496 	/* mono mixer */
497 	{"Mono Mixer", "PC Beep Playback Switch", "PCBEEP"},
498 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
499 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
500 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
501 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
502 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
503 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
504 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
505 
506 	/* DAC inv mux 1 */
507 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
508 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
509 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
510 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
511 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
512 
513 	/* DAC inv mux 2 */
514 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
515 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
516 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
517 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
518 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
519 
520 	/* headphone left mux */
521 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
522 
523 	/* headphone right mux */
524 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
525 
526 	/* speaker left mux */
527 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
528 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
529 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
530 
531 	/* speaker right mux */
532 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
533 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
534 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
535 
536 	/* mono mux */
537 	{"Mono Out Mux", "Mono", "Mono Mixer"},
538 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
539 
540 	/* out 3 mux */
541 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
542 
543 	/* out 4 mux */
544 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
545 
546 	/* output pga */
547 	{"HPL", NULL, "Left Headphone"},
548 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
549 	{"HPR", NULL, "Right Headphone"},
550 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
551 	{"OUT3", NULL, "Out 3"},
552 	{"Out 3", NULL, "Out 3 Mux"},
553 	{"OUT4", NULL, "Out 4"},
554 	{"Out 4", NULL, "Out 4 Mux"},
555 	{"SPKL", NULL, "Left Speaker"},
556 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
557 	{"SPKR", NULL, "Right Speaker"},
558 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
559 	{"MONO", NULL, "Mono Out"},
560 	{"Mono Out", NULL, "Mono Out Mux"},
561 
562 	/* input pga */
563 	{"Left Line In", NULL, "LINEL"},
564 	{"Right Line In", NULL, "LINER"},
565 	{"Mono In", NULL, "MONOIN"},
566 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
567 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
568 
569 	/* left capture select */
570 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
571 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
572 	{"Left Capture Source", "Line", "LINEL"},
573 	{"Left Capture Source", "Mono In", "MONOIN"},
574 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
575 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
576 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
577 
578 	/* right capture select */
579 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
580 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
581 	{"Right Capture Source", "Line", "LINER"},
582 	{"Right Capture Source", "Mono In", "MONOIN"},
583 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
584 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
585 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
586 
587 	/* left ADC */
588 	{"Left ADC", NULL, "Left Capture Source"},
589 
590 	/* right ADC */
591 	{"Right ADC", NULL, "Right Capture Source"},
592 
593 	/* mic */
594 	{"Mic A Pre Amp", NULL, "Mic A Source"},
595 	{"Mic A Source", "Mic 1", "MIC1"},
596 	{"Mic A Source", "Mic 2 A", "MIC2A"},
597 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
598 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
599 	{"Mic B Source", NULL, "MIC2B"},
600 
601 	/* headphone capture */
602 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
603 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
604 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
605 
606 	/* mono capture */
607 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
608 	{"Capture Mono Mux", "Left", "Left Capture Source"},
609 	{"Capture Mono Mux", "Right", "Right Capture Source"},
610 
611 	{NULL, NULL, NULL},
612 };
613 
614 static int wm9713_add_widgets(struct snd_soc_codec *codec)
615 {
616 	int i;
617 
618 	for (i = 0; i < ARRAY_SIZE(wm9713_dapm_widgets); i++)
619 		snd_soc_dapm_new_control(codec, &wm9713_dapm_widgets[i]);
620 
621 	/* set up audio path audio_mapnects */
622 	for (i = 0; audio_map[i][0] != NULL; i++)
623 		snd_soc_dapm_connect_input(codec, audio_map[i][0],
624 			audio_map[i][1], audio_map[i][2]);
625 
626 	snd_soc_dapm_new_widgets(codec);
627 	return 0;
628 }
629 
630 static unsigned int ac97_read(struct snd_soc_codec *codec,
631 	unsigned int reg)
632 {
633 	u16 *cache = codec->reg_cache;
634 
635 	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
636 		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
637 		reg == AC97_CD)
638 		return soc_ac97_ops.read(codec->ac97, reg);
639 	else {
640 		reg = reg >> 1;
641 
642 		if (reg > (ARRAY_SIZE(wm9713_reg)))
643 			return -EIO;
644 
645 		return cache[reg];
646 	}
647 }
648 
649 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
650 	unsigned int val)
651 {
652 	u16 *cache = codec->reg_cache;
653 	if (reg < 0x7c)
654 		soc_ac97_ops.write(codec->ac97, reg, val);
655 	reg = reg >> 1;
656 	if (reg <= (ARRAY_SIZE(wm9713_reg)))
657 		cache[reg] = val;
658 
659 	return 0;
660 }
661 
662 /* PLL divisors */
663 struct _pll_div {
664 	u32 divsel:1;
665 	u32 divctl:1;
666 	u32 lf:1;
667 	u32 n:4;
668 	u32 k:24;
669 };
670 
671 /* The size in bits of the PLL divide multiplied by 10
672  * to allow rounding later */
673 #define FIXED_PLL_SIZE ((1 << 22) * 10)
674 
675 static void pll_factors(struct _pll_div *pll_div, unsigned int source)
676 {
677 	u64 Kpart;
678 	unsigned int K, Ndiv, Nmod, target;
679 
680 	/* The the PLL output is always 98.304MHz. */
681 	target = 98304000;
682 
683 	/* If the input frequency is over 14.4MHz then scale it down. */
684 	if (source > 14400000) {
685 		source >>= 1;
686 		pll_div->divsel = 1;
687 
688 		if (source > 14400000) {
689 			source >>= 1;
690 			pll_div->divctl = 1;
691 		} else
692 			pll_div->divctl = 0;
693 
694 	} else {
695 		pll_div->divsel = 0;
696 		pll_div->divctl = 0;
697 	}
698 
699 	/* Low frequency sources require an additional divide in the
700 	 * loop.
701 	 */
702 	if (source < 8192000) {
703 		pll_div->lf = 1;
704 		target >>= 2;
705 	} else
706 		pll_div->lf = 0;
707 
708 	Ndiv = target / source;
709 	if ((Ndiv < 5) || (Ndiv > 12))
710 		printk(KERN_WARNING
711 			"WM9713 PLL N value %d out of recommended range!\n",
712 			Ndiv);
713 
714 	pll_div->n = Ndiv;
715 	Nmod = target % source;
716 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
717 
718 	do_div(Kpart, source);
719 
720 	K = Kpart & 0xFFFFFFFF;
721 
722 	/* Check if we need to round */
723 	if ((K % 10) >= 5)
724 		K += 5;
725 
726 	/* Move down to proper range now rounding is done */
727 	K /= 10;
728 
729 	pll_div->k = K;
730 }
731 
732 /**
733  * Please note that changing the PLL input frequency may require
734  * resynchronisation with the AC97 controller.
735  */
736 static int wm9713_set_pll(struct snd_soc_codec *codec,
737 	int pll_id, unsigned int freq_in, unsigned int freq_out)
738 {
739 	struct wm9713_priv *wm9713 = codec->private_data;
740 	u16 reg, reg2;
741 	struct _pll_div pll_div;
742 
743 	/* turn PLL off ? */
744 	if (freq_in == 0 || freq_out == 0) {
745 		/* disable PLL power and select ext source */
746 		reg = ac97_read(codec, AC97_HANDSET_RATE);
747 		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
748 		reg = ac97_read(codec, AC97_EXTENDED_MID);
749 		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
750 		wm9713->pll_out = 0;
751 		return 0;
752 	}
753 
754 	pll_factors(&pll_div, freq_in);
755 
756 	if (pll_div.k == 0) {
757 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
758 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
759 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
760 	} else {
761 		/* write the fractional k to the reg 0x46 pages */
762 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
763 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
764 
765 		/* K [21:20] */
766 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
767 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
768 
769 		/* K [19:16] */
770 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
771 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
772 
773 		/* K [15:12] */
774 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
775 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
776 
777 		/* K [11:8] */
778 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
779 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
780 
781 		/* K [7:4] */
782 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
783 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
784 
785 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
786 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
787 	}
788 
789 	/* turn PLL on and select as source */
790 	reg = ac97_read(codec, AC97_EXTENDED_MID);
791 	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
792 	reg = ac97_read(codec, AC97_HANDSET_RATE);
793 	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
794 	wm9713->pll_out = freq_out;
795 	wm9713->pll_in = freq_in;
796 
797 	/* wait 10ms AC97 link frames for the link to stabilise */
798 	schedule_timeout_interruptible(msecs_to_jiffies(10));
799 	return 0;
800 }
801 
802 static int wm9713_set_dai_pll(struct snd_soc_codec_dai *codec_dai,
803 		int pll_id, unsigned int freq_in, unsigned int freq_out)
804 {
805 	struct snd_soc_codec *codec = codec_dai->codec;
806 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
807 }
808 
809 /*
810  * Tristate the PCM DAI lines, tristate can be disabled by calling
811  * wm9713_set_dai_fmt()
812  */
813 static int wm9713_set_dai_tristate(struct snd_soc_codec_dai *codec_dai,
814 	int tristate)
815 {
816 	struct snd_soc_codec *codec = codec_dai->codec;
817 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
818 
819 	if (tristate)
820 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
821 
822 	return 0;
823 }
824 
825 /*
826  * Configure WM9713 clock dividers.
827  * Voice DAC needs 256 FS
828  */
829 static int wm9713_set_dai_clkdiv(struct snd_soc_codec_dai *codec_dai,
830 		int div_id, int div)
831 {
832 	struct snd_soc_codec *codec = codec_dai->codec;
833 	u16 reg;
834 
835 	switch (div_id) {
836 	case WM9713_PCMCLK_DIV:
837 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
838 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
839 		break;
840 	case WM9713_CLKA_MULT:
841 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
842 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
843 		break;
844 	case WM9713_CLKB_MULT:
845 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
846 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
847 		break;
848 	case WM9713_HIFI_DIV:
849 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
850 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
851 		break;
852 	case WM9713_PCMBCLK_DIV:
853 		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
854 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
855 		break;
856 	case WM9713_PCMCLK_PLL_DIV:
857 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
858 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
859 		break;
860 	case WM9713_HIFI_PLL_DIV:
861 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
862 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
863 		break;
864 	default:
865 		return -EINVAL;
866 	}
867 
868 	return 0;
869 }
870 
871 static int wm9713_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
872 		unsigned int fmt)
873 {
874 	struct snd_soc_codec *codec = codec_dai->codec;
875 	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
876 	u16 reg = 0x8000;
877 
878 	/* clock masters */
879 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
880 	case SND_SOC_DAIFMT_CBM_CFM:
881 		reg |= 0x4000;
882 		gpio |= 0x0010;
883 		break;
884 	case SND_SOC_DAIFMT_CBM_CFS:
885 		reg |= 0x6000;
886 		gpio |= 0x0018;
887 		break;
888 	case SND_SOC_DAIFMT_CBS_CFS:
889 		reg |= 0x0200;
890 		gpio |= 0x001a;
891 		break;
892 	case SND_SOC_DAIFMT_CBS_CFM:
893 		gpio |= 0x0012;
894 		break;
895 	}
896 
897 	/* clock inversion */
898 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
899 	case SND_SOC_DAIFMT_IB_IF:
900 		reg |= 0x00c0;
901 		break;
902 	case SND_SOC_DAIFMT_IB_NF:
903 		reg |= 0x0080;
904 		break;
905 	case SND_SOC_DAIFMT_NB_IF:
906 		reg |= 0x0040;
907 		break;
908 	}
909 
910 	/* DAI format */
911 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
912 	case SND_SOC_DAIFMT_I2S:
913 		reg |= 0x0002;
914 		break;
915 	case SND_SOC_DAIFMT_RIGHT_J:
916 		break;
917 	case SND_SOC_DAIFMT_LEFT_J:
918 		reg |= 0x0001;
919 		break;
920 	case SND_SOC_DAIFMT_DSP_A:
921 		reg |= 0x0003;
922 		break;
923 	case SND_SOC_DAIFMT_DSP_B:
924 		reg |= 0x0043;
925 		break;
926 	}
927 
928 	ac97_write(codec, AC97_GPIO_CFG, gpio);
929 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
930 	return 0;
931 }
932 
933 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
934 	struct snd_pcm_hw_params *params)
935 {
936 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
937 	struct snd_soc_device *socdev = rtd->socdev;
938 	struct snd_soc_codec *codec = socdev->codec;
939 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
940 
941 	switch (params_format(params)) {
942 	case SNDRV_PCM_FORMAT_S16_LE:
943 		break;
944 	case SNDRV_PCM_FORMAT_S20_3LE:
945 		reg |= 0x0004;
946 		break;
947 	case SNDRV_PCM_FORMAT_S24_LE:
948 		reg |= 0x0008;
949 		break;
950 	case SNDRV_PCM_FORMAT_S32_LE:
951 		reg |= 0x000c;
952 		break;
953 	}
954 
955 	/* enable PCM interface in master mode */
956 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
957 	return 0;
958 }
959 
960 static void wm9713_voiceshutdown(struct snd_pcm_substream *substream)
961 {
962     struct snd_soc_pcm_runtime *rtd = substream->private_data;
963     struct snd_soc_device *socdev = rtd->socdev;
964     struct snd_soc_codec *codec = socdev->codec;
965     u16 status;
966 
967     /* Gracefully shut down the voice interface. */
968     status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
969     ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
970     schedule_timeout_interruptible(msecs_to_jiffies(1));
971     ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
972     ac97_write(codec, AC97_EXTENDED_MID, status);
973 }
974 
975 static int ac97_hifi_prepare(struct snd_pcm_substream *substream)
976 {
977 	struct snd_pcm_runtime *runtime = substream->runtime;
978 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
979 	struct snd_soc_device *socdev = rtd->socdev;
980 	struct snd_soc_codec *codec = socdev->codec;
981 	int reg;
982 	u16 vra;
983 
984 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
985 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
986 
987 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
988 		reg = AC97_PCM_FRONT_DAC_RATE;
989 	else
990 		reg = AC97_PCM_LR_ADC_RATE;
991 
992 	return ac97_write(codec, reg, runtime->rate);
993 }
994 
995 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
996 {
997 	struct snd_pcm_runtime *runtime = substream->runtime;
998 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
999 	struct snd_soc_device *socdev = rtd->socdev;
1000 	struct snd_soc_codec *codec = socdev->codec;
1001 	u16 vra, xsle;
1002 
1003 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1004 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1005 	xsle = ac97_read(codec, AC97_PCI_SID);
1006 	ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1007 
1008 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1009 		return -ENODEV;
1010 
1011 	return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1012 }
1013 
1014 #define WM9713_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1015 		SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
1016 		SNDRV_PCM_RATE_48000)
1017 
1018 #define WM9713_PCM_FORMATS \
1019 	(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1020 	 SNDRV_PCM_FORMAT_S24_LE)
1021 
1022 struct snd_soc_codec_dai wm9713_dai[] = {
1023 {
1024 	.name = "AC97 HiFi",
1025 	.type = SND_SOC_DAI_AC97_BUS,
1026 	.playback = {
1027 		.stream_name = "HiFi Playback",
1028 		.channels_min = 1,
1029 		.channels_max = 2,
1030 		.rates = WM9713_RATES,
1031 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1032 	.capture = {
1033 		.stream_name = "HiFi Capture",
1034 		.channels_min = 1,
1035 		.channels_max = 2,
1036 		.rates = WM9713_RATES,
1037 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1038 	.ops = {
1039 		.prepare = ac97_hifi_prepare,},
1040 	.dai_ops = {
1041 		.set_clkdiv = wm9713_set_dai_clkdiv,
1042 		.set_pll = wm9713_set_dai_pll,},
1043 	},
1044 	{
1045 	.name = "AC97 Aux",
1046 	.playback = {
1047 		.stream_name = "Aux Playback",
1048 		.channels_min = 1,
1049 		.channels_max = 1,
1050 		.rates = WM9713_RATES,
1051 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1052 	.ops = {
1053 		.prepare = ac97_aux_prepare,},
1054 	.dai_ops = {
1055 		.set_clkdiv = wm9713_set_dai_clkdiv,
1056 		.set_pll = wm9713_set_dai_pll,},
1057 	},
1058 	{
1059 	.name = "WM9713 Voice",
1060 	.playback = {
1061 		.stream_name = "Voice Playback",
1062 		.channels_min = 1,
1063 		.channels_max = 1,
1064 		.rates = WM9713_RATES,
1065 		.formats = WM9713_PCM_FORMATS,},
1066 	.capture = {
1067 		.stream_name = "Voice Capture",
1068 		.channels_min = 1,
1069 		.channels_max = 2,
1070 		.rates = WM9713_RATES,
1071 		.formats = WM9713_PCM_FORMATS,},
1072 	.ops = {
1073 		.hw_params = wm9713_pcm_hw_params,
1074 		.shutdown = wm9713_voiceshutdown,},
1075 	.dai_ops = {
1076 		.set_clkdiv = wm9713_set_dai_clkdiv,
1077 		.set_pll = wm9713_set_dai_pll,
1078 		.set_fmt = wm9713_set_dai_fmt,
1079 		.set_tristate = wm9713_set_dai_tristate,
1080 	},
1081 	},
1082 };
1083 EXPORT_SYMBOL_GPL(wm9713_dai);
1084 
1085 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1086 {
1087 	if (try_warm && soc_ac97_ops.warm_reset) {
1088 		soc_ac97_ops.warm_reset(codec->ac97);
1089 		if (!(ac97_read(codec, 0) & 0x8000))
1090 			return 1;
1091 	}
1092 
1093 	soc_ac97_ops.reset(codec->ac97);
1094 	if (ac97_read(codec, 0) & 0x8000)
1095 		return -EIO;
1096 	return 0;
1097 }
1098 EXPORT_SYMBOL_GPL(wm9713_reset);
1099 
1100 static int wm9713_dapm_event(struct snd_soc_codec *codec, int event)
1101 {
1102 	u16 reg;
1103 
1104 	switch (event) {
1105 	case SNDRV_CTL_POWER_D0: /* full On */
1106 		/* enable thermal shutdown */
1107 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1108 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1109 		break;
1110 	case SNDRV_CTL_POWER_D1: /* partial On */
1111 	case SNDRV_CTL_POWER_D2: /* partial On */
1112 		break;
1113 	case SNDRV_CTL_POWER_D3hot: /* Off, with power */
1114 		/* enable master bias and vmid */
1115 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1116 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1117 		ac97_write(codec, AC97_POWERDOWN, 0x0000);
1118 		break;
1119 	case SNDRV_CTL_POWER_D3cold: /* Off, without power */
1120 		/* disable everything including AC link */
1121 		ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1122 		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1123 		ac97_write(codec, AC97_POWERDOWN, 0xffff);
1124 		break;
1125 	}
1126 	codec->dapm_state = event;
1127 	return 0;
1128 }
1129 
1130 static int wm9713_soc_suspend(struct platform_device *pdev,
1131 	pm_message_t state)
1132 {
1133 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1134 	struct snd_soc_codec *codec = socdev->codec;
1135 	u16 reg;
1136 
1137 	/* Disable everything except touchpanel - that will be handled
1138 	 * by the touch driver and left disabled if touch is not in
1139 	 * use. */
1140 	reg = ac97_read(codec, AC97_EXTENDED_MID);
1141 	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1142 	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1143 	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1144 	ac97_write(codec, AC97_POWERDOWN, 0xffff);
1145 
1146 	return 0;
1147 }
1148 
1149 static int wm9713_soc_resume(struct platform_device *pdev)
1150 {
1151 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1152 	struct snd_soc_codec *codec = socdev->codec;
1153 	struct wm9713_priv *wm9713 = codec->private_data;
1154 	int i, ret;
1155 	u16 *cache = codec->reg_cache;
1156 
1157 	ret = wm9713_reset(codec, 1);
1158 	if (ret < 0) {
1159 		printk(KERN_ERR "could not reset AC97 codec\n");
1160 		return ret;
1161 	}
1162 
1163 	wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
1164 
1165 	/* do we need to re-start the PLL ? */
1166 	if (wm9713->pll_out)
1167 		wm9713_set_pll(codec, 0, wm9713->pll_in, wm9713->pll_out);
1168 
1169 	/* only synchronise the codec if warm reset failed */
1170 	if (ret == 0) {
1171 		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1172 			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1173 				i == AC97_EXTENDED_MSTATUS || i > 0x66)
1174 				continue;
1175 			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
1176 		}
1177 	}
1178 
1179 	if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
1180 		wm9713_dapm_event(codec, SNDRV_CTL_POWER_D0);
1181 
1182 	return ret;
1183 }
1184 
1185 static int wm9713_soc_probe(struct platform_device *pdev)
1186 {
1187 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1188 	struct snd_soc_codec *codec;
1189 	int ret = 0, reg;
1190 
1191 	printk(KERN_INFO "WM9713/WM9714 SoC Audio Codec %s\n", WM9713_VERSION);
1192 
1193 	socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1194 	if (socdev->codec == NULL)
1195 		return -ENOMEM;
1196 	codec = socdev->codec;
1197 	mutex_init(&codec->mutex);
1198 
1199 	codec->reg_cache = kmemdup(wm9713_reg, sizeof(wm9713_reg), GFP_KERNEL);
1200 	if (codec->reg_cache == NULL) {
1201 		ret = -ENOMEM;
1202 		goto cache_err;
1203 	}
1204 	codec->reg_cache_size = sizeof(wm9713_reg);
1205 	codec->reg_cache_step = 2;
1206 
1207 	codec->private_data = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1208 	if (codec->private_data == NULL) {
1209 		ret = -ENOMEM;
1210 		goto priv_err;
1211 	}
1212 
1213 	codec->name = "WM9713";
1214 	codec->owner = THIS_MODULE;
1215 	codec->dai = wm9713_dai;
1216 	codec->num_dai = ARRAY_SIZE(wm9713_dai);
1217 	codec->write = ac97_write;
1218 	codec->read = ac97_read;
1219 	codec->dapm_event = wm9713_dapm_event;
1220 	INIT_LIST_HEAD(&codec->dapm_widgets);
1221 	INIT_LIST_HEAD(&codec->dapm_paths);
1222 
1223 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
1224 	if (ret < 0)
1225 		goto codec_err;
1226 
1227 	/* register pcms */
1228 	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1229 	if (ret < 0)
1230 		goto pcm_err;
1231 
1232 	/* do a cold reset for the controller and then try
1233 	 * a warm reset followed by an optional cold reset for codec */
1234 	wm9713_reset(codec, 0);
1235 	ret = wm9713_reset(codec, 1);
1236 	if (ret < 0) {
1237 		printk(KERN_ERR "AC97 link error\n");
1238 		goto reset_err;
1239 	}
1240 
1241 	wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
1242 
1243 	/* unmute the adc - move to kcontrol */
1244 	reg = ac97_read(codec, AC97_CD) & 0x7fff;
1245 	ac97_write(codec, AC97_CD, reg);
1246 
1247 	wm9713_add_controls(codec);
1248 	wm9713_add_widgets(codec);
1249 	ret = snd_soc_register_card(socdev);
1250 	if (ret < 0)
1251 		goto reset_err;
1252 	return 0;
1253 
1254 reset_err:
1255 	snd_soc_free_pcms(socdev);
1256 
1257 pcm_err:
1258 	snd_soc_free_ac97_codec(codec);
1259 
1260 codec_err:
1261 	kfree(codec->private_data);
1262 
1263 priv_err:
1264 	kfree(codec->reg_cache);
1265 
1266 cache_err:
1267 	kfree(socdev->codec);
1268 	socdev->codec = NULL;
1269 	return ret;
1270 }
1271 
1272 static int wm9713_soc_remove(struct platform_device *pdev)
1273 {
1274 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1275 	struct snd_soc_codec *codec = socdev->codec;
1276 
1277 	if (codec == NULL)
1278 		return 0;
1279 
1280 	snd_soc_dapm_free(socdev);
1281 	snd_soc_free_pcms(socdev);
1282 	snd_soc_free_ac97_codec(codec);
1283 	kfree(codec->private_data);
1284 	kfree(codec->reg_cache);
1285 	kfree(codec->dai);
1286 	kfree(codec);
1287 	return 0;
1288 }
1289 
1290 struct snd_soc_codec_device soc_codec_dev_wm9713 = {
1291 	.probe = 	wm9713_soc_probe,
1292 	.remove = 	wm9713_soc_remove,
1293 	.suspend =	wm9713_soc_suspend,
1294 	.resume = 	wm9713_soc_resume,
1295 };
1296 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9713);
1297 
1298 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1299 MODULE_AUTHOR("Liam Girdwood");
1300 MODULE_LICENSE("GPL");
1301