xref: /linux/sound/soc/codecs/wm9713.c (revision 26b0d14106954ae46d2f4f7eec3481828a210f7d)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  *  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/module.h>
21 #include <linux/device.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/ac97_codec.h>
25 #include <sound/initval.h>
26 #include <sound/pcm_params.h>
27 #include <sound/tlv.h>
28 #include <sound/soc.h>
29 
30 #include "wm9713.h"
31 
32 struct wm9713_priv {
33 	u32 pll_in; /* PLL input frequency */
34 };
35 
36 static unsigned int ac97_read(struct snd_soc_codec *codec,
37 	unsigned int reg);
38 static int ac97_write(struct snd_soc_codec *codec,
39 	unsigned int reg, unsigned int val);
40 
41 /*
42  * WM9713 register cache
43  * Reg 0x3c bit 15 is used by touch driver.
44  */
45 static const u16 wm9713_reg[] = {
46 	0x6174, 0x8080, 0x8080, 0x8080,
47 	0xc880, 0xe808, 0xe808, 0x0808,
48 	0x00da, 0x8000, 0xd600, 0xaaa0,
49 	0xaaa0, 0xaaa0, 0x0000, 0x0000,
50 	0x0f0f, 0x0040, 0x0000, 0x7f00,
51 	0x0405, 0x0410, 0xbb80, 0xbb80,
52 	0x0000, 0xbb80, 0x0000, 0x4523,
53 	0x0000, 0x2000, 0x7eff, 0xffff,
54 	0x0000, 0x0000, 0x0080, 0x0000,
55 	0x0000, 0x0000, 0xfffe, 0xffff,
56 	0x0000, 0x0000, 0x0000, 0xfffe,
57 	0x4000, 0x0000, 0x0000, 0x0000,
58 	0xb032, 0x3e00, 0x0000, 0x0000,
59 	0x0000, 0x0000, 0x0000, 0x0000,
60 	0x0000, 0x0000, 0x0000, 0x0006,
61 	0x0001, 0x0000, 0x574d, 0x4c13,
62 	0x0000, 0x0000, 0x0000
63 };
64 
65 /* virtual HP mixers regs */
66 #define HPL_MIXER	0x80
67 #define HPR_MIXER	0x82
68 #define MICB_MUX	0x82
69 
70 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
71 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
72 static const char *wm9713_rec_src[] =
73 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
74 	"Mono Out", "Zh"};
75 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
76 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
77 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
78 	"Mono Vmid", "Inv Vmid"};
79 static const char *wm9713_spk_pga[] =
80 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
81 	"Speaker Vmid", "Inv Vmid"};
82 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
83 	"Headphone Vmid"};
84 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
85 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
86 static const char *wm9713_dac_inv[] =
87 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
88 	"Headphone Mono", "NC", "Vmid"};
89 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
90 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
91 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
92 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
93 
94 static const struct soc_enum wm9713_enum[] = {
95 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
96 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
97 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
98 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
99 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
100 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
101 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
102 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
103 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
104 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
105 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
106 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
107 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
108 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
109 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
110 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
111 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
112 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
113 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
114 SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
115 };
116 
117 static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
118 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
119 static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
120 static unsigned int mic_tlv[] = {
121 	TLV_DB_RANGE_HEAD(2),
122 	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
123 	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
124 };
125 
126 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
127 SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
128 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
129 SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
130 	       out_tlv),
131 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
132 SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
133 SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
134 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
135 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
136 SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
137 SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
138 
139 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
140 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
141 
142 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
143 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
144 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
145 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
146 
147 SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
148 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
149 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
150 
151 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
152 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
153 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
154 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
155 SOC_ENUM("ALC Function", wm9713_enum[6]),
156 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
157 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
158 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
159 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
160 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
161 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
162 
163 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
164 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
165 
166 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
167 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
168 SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
169 
170 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
171 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
172 SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
173 
174 SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
175 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
176 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
177 SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
178 
179 SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
180 	       misc_tlv),
181 SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
182 	       misc_tlv),
183 SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
184 
185 SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
186 	       misc_tlv),
187 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
188 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
189 
190 SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
191 	       misc_tlv),
192 
193 SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
194 	       misc_tlv),
195 SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
196 	       misc_tlv),
197 
198 SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
199 	       misc_tlv),
200 SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
201 	       misc_tlv),
202 
203 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
204 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
205 
206 SOC_ENUM("Bass Control", wm9713_enum[16]),
207 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
208 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
209 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
210 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
211 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
212 
213 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
214 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
215 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
216 };
217 
218 static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
219 				 struct snd_kcontrol *kcontrol, int event)
220 {
221 	struct snd_soc_codec *codec = w->codec;
222 	u16 status, rate;
223 
224 	BUG_ON(event != SND_SOC_DAPM_PRE_PMD);
225 
226 	/* Gracefully shut down the voice interface. */
227 	status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
228 	rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
229 	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
230 	schedule_timeout_interruptible(msecs_to_jiffies(1));
231 	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
232 	ac97_write(codec, AC97_EXTENDED_MID, status);
233 
234 	return 0;
235 }
236 
237 
238 /* We have to create a fake left and right HP mixers because
239  * the codec only has a single control that is shared by both channels.
240  * This makes it impossible to determine the audio path using the current
241  * register map, thus we add a new (virtual) register to help determine the
242  * audio route within the device.
243  */
244 static int mixer_event(struct snd_soc_dapm_widget *w,
245 	struct snd_kcontrol *kcontrol, int event)
246 {
247 	u16 l, r, beep, tone, phone, rec, pcm, aux;
248 
249 	l = ac97_read(w->codec, HPL_MIXER);
250 	r = ac97_read(w->codec, HPR_MIXER);
251 	beep = ac97_read(w->codec, AC97_PC_BEEP);
252 	tone = ac97_read(w->codec, AC97_MASTER_TONE);
253 	phone = ac97_read(w->codec, AC97_PHONE);
254 	rec = ac97_read(w->codec, AC97_REC_SEL);
255 	pcm = ac97_read(w->codec, AC97_PCM);
256 	aux = ac97_read(w->codec, AC97_AUX);
257 
258 	if (event & SND_SOC_DAPM_PRE_REG)
259 		return 0;
260 	if ((l & 0x1) || (r & 0x1))
261 		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
262 	else
263 		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
264 
265 	if ((l & 0x2) || (r & 0x2))
266 		ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
267 	else
268 		ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
269 
270 	if ((l & 0x4) || (r & 0x4))
271 		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
272 	else
273 		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
274 
275 	if ((l & 0x8) || (r & 0x8))
276 		ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
277 	else
278 		ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
279 
280 	if ((l & 0x10) || (r & 0x10))
281 		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
282 	else
283 		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
284 
285 	if ((l & 0x20) || (r & 0x20))
286 		ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
287 	else
288 		ac97_write(w->codec, AC97_AUX, aux | 0x8000);
289 
290 	return 0;
291 }
292 
293 /* Left Headphone Mixers */
294 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
295 SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
296 SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
297 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
298 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
299 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
300 SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
301 };
302 
303 /* Right Headphone Mixers */
304 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
305 SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
306 SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
307 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
308 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
309 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
310 SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
311 };
312 
313 /* headphone capture mux */
314 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
315 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
316 
317 /* headphone mic mux */
318 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
319 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
320 
321 /* Speaker Mixer */
322 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
323 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
324 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
325 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
326 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
327 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
328 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
329 };
330 
331 /* Mono Mixer */
332 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
333 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
334 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
335 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
336 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
337 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
338 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
339 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
340 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
341 };
342 
343 /* mono mic mux */
344 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
345 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
346 
347 /* mono output mux */
348 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
349 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
350 
351 /* speaker left output mux */
352 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
353 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
354 
355 /* speaker right output mux */
356 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
357 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
358 
359 /* headphone left output mux */
360 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
361 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
362 
363 /* headphone right output mux */
364 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
365 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
366 
367 /* Out3 mux */
368 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
369 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
370 
371 /* Out4 mux */
372 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
373 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
374 
375 /* DAC inv mux 1 */
376 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
377 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
378 
379 /* DAC inv mux 2 */
380 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
381 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
382 
383 /* Capture source left */
384 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
385 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
386 
387 /* Capture source right */
388 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
389 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
390 
391 /* mic source */
392 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
393 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
394 
395 /* mic source B virtual control */
396 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
397 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
398 
399 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
400 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
401 	&wm9713_hp_rec_mux_controls),
402 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
403 	&wm9713_hp_mic_mux_controls),
404 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
405 	&wm9713_mono_mic_mux_controls),
406 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
407 	&wm9713_mono_mux_controls),
408 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
409 	&wm9713_hp_spkl_mux_controls),
410 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
411 	&wm9713_hp_spkr_mux_controls),
412 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
413 	&wm9713_hpl_out_mux_controls),
414 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
415 	&wm9713_hpr_out_mux_controls),
416 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
417 	&wm9713_out3_mux_controls),
418 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
419 	&wm9713_out4_mux_controls),
420 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
421 	&wm9713_dac_inv1_mux_controls),
422 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
423 	&wm9713_dac_inv2_mux_controls),
424 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
425 	&wm9713_rec_srcl_mux_controls),
426 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
427 	&wm9713_rec_srcr_mux_controls),
428 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
429 	&wm9713_mic_sel_mux_controls),
430 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
431 	&wm9713_micb_sel_mux_controls),
432 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
433 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
434 	mixer_event, SND_SOC_DAPM_POST_REG),
435 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
436 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
437 	mixer_event, SND_SOC_DAPM_POST_REG),
438 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
439 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
440 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
441 	&wm9713_speaker_mixer_controls[0],
442 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
443 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
444 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
445 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
446 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
447 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
448 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
449 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
450 		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
451 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
452 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
453 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
454 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
455 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
456 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
457 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
458 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
459 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
460 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
461 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
462 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
463 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
464 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
465 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
466 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
467 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
468 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
469 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
470 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
471 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
472 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
473 SND_SOC_DAPM_OUTPUT("MONO"),
474 SND_SOC_DAPM_OUTPUT("HPL"),
475 SND_SOC_DAPM_OUTPUT("HPR"),
476 SND_SOC_DAPM_OUTPUT("SPKL"),
477 SND_SOC_DAPM_OUTPUT("SPKR"),
478 SND_SOC_DAPM_OUTPUT("OUT3"),
479 SND_SOC_DAPM_OUTPUT("OUT4"),
480 SND_SOC_DAPM_INPUT("LINEL"),
481 SND_SOC_DAPM_INPUT("LINER"),
482 SND_SOC_DAPM_INPUT("MONOIN"),
483 SND_SOC_DAPM_INPUT("PCBEEP"),
484 SND_SOC_DAPM_INPUT("MIC1"),
485 SND_SOC_DAPM_INPUT("MIC2A"),
486 SND_SOC_DAPM_INPUT("MIC2B"),
487 SND_SOC_DAPM_VMID("VMID"),
488 };
489 
490 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
491 	/* left HP mixer */
492 	{"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
493 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
494 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
495 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
496 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
497 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
498 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
499 
500 	/* right HP mixer */
501 	{"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
502 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
503 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
504 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
505 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
506 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
507 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
508 
509 	/* virtual mixer - mixes left & right channels for spk and mono */
510 	{"AC97 Mixer", NULL, "Left DAC"},
511 	{"AC97 Mixer", NULL, "Right DAC"},
512 	{"Line Mixer", NULL, "Right Line In"},
513 	{"Line Mixer", NULL, "Left Line In"},
514 	{"HP Mixer", NULL, "Left HP Mixer"},
515 	{"HP Mixer", NULL, "Right HP Mixer"},
516 	{"Capture Mixer", NULL, "Left Capture Source"},
517 	{"Capture Mixer", NULL, "Right Capture Source"},
518 
519 	/* speaker mixer */
520 	{"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
521 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
522 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
523 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
524 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
525 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
526 
527 	/* mono mixer */
528 	{"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
529 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
530 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
531 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
532 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
533 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
534 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
535 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
536 
537 	/* DAC inv mux 1 */
538 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
539 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
540 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
541 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
542 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
543 
544 	/* DAC inv mux 2 */
545 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
546 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
547 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
548 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
549 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
550 
551 	/* headphone left mux */
552 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
553 
554 	/* headphone right mux */
555 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
556 
557 	/* speaker left mux */
558 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
559 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
560 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
561 
562 	/* speaker right mux */
563 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
564 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
565 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
566 
567 	/* mono mux */
568 	{"Mono Out Mux", "Mono", "Mono Mixer"},
569 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
570 
571 	/* out 3 mux */
572 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
573 
574 	/* out 4 mux */
575 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
576 
577 	/* output pga */
578 	{"HPL", NULL, "Left Headphone"},
579 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
580 	{"HPR", NULL, "Right Headphone"},
581 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
582 	{"OUT3", NULL, "Out 3"},
583 	{"Out 3", NULL, "Out 3 Mux"},
584 	{"OUT4", NULL, "Out 4"},
585 	{"Out 4", NULL, "Out 4 Mux"},
586 	{"SPKL", NULL, "Left Speaker"},
587 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
588 	{"SPKR", NULL, "Right Speaker"},
589 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
590 	{"MONO", NULL, "Mono Out"},
591 	{"Mono Out", NULL, "Mono Out Mux"},
592 
593 	/* input pga */
594 	{"Left Line In", NULL, "LINEL"},
595 	{"Right Line In", NULL, "LINER"},
596 	{"Mono In", NULL, "MONOIN"},
597 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
598 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
599 
600 	/* left capture select */
601 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
602 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
603 	{"Left Capture Source", "Line", "LINEL"},
604 	{"Left Capture Source", "Mono In", "MONOIN"},
605 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
606 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
607 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
608 
609 	/* right capture select */
610 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
611 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
612 	{"Right Capture Source", "Line", "LINER"},
613 	{"Right Capture Source", "Mono In", "MONOIN"},
614 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
615 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
616 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
617 
618 	/* left ADC */
619 	{"Left ADC", NULL, "Left Capture Source"},
620 	{"Left Voice ADC", NULL, "Left ADC"},
621 	{"Left HiFi ADC", NULL, "Left ADC"},
622 
623 	/* right ADC */
624 	{"Right ADC", NULL, "Right Capture Source"},
625 	{"Right Voice ADC", NULL, "Right ADC"},
626 	{"Right HiFi ADC", NULL, "Right ADC"},
627 
628 	/* mic */
629 	{"Mic A Pre Amp", NULL, "Mic A Source"},
630 	{"Mic A Source", "Mic 1", "MIC1"},
631 	{"Mic A Source", "Mic 2 A", "MIC2A"},
632 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
633 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
634 	{"Mic B Source", NULL, "MIC2B"},
635 
636 	/* headphone capture */
637 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
638 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
639 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
640 
641 	/* mono capture */
642 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
643 	{"Capture Mono Mux", "Left", "Left Capture Source"},
644 	{"Capture Mono Mux", "Right", "Right Capture Source"},
645 };
646 
647 static unsigned int ac97_read(struct snd_soc_codec *codec,
648 	unsigned int reg)
649 {
650 	u16 *cache = codec->reg_cache;
651 
652 	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
653 		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
654 		reg == AC97_CD)
655 		return soc_ac97_ops.read(codec->ac97, reg);
656 	else {
657 		reg = reg >> 1;
658 
659 		if (reg >= (ARRAY_SIZE(wm9713_reg)))
660 			return -EIO;
661 
662 		return cache[reg];
663 	}
664 }
665 
666 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
667 	unsigned int val)
668 {
669 	u16 *cache = codec->reg_cache;
670 	if (reg < 0x7c)
671 		soc_ac97_ops.write(codec->ac97, reg, val);
672 	reg = reg >> 1;
673 	if (reg < (ARRAY_SIZE(wm9713_reg)))
674 		cache[reg] = val;
675 
676 	return 0;
677 }
678 
679 /* PLL divisors */
680 struct _pll_div {
681 	u32 divsel:1;
682 	u32 divctl:1;
683 	u32 lf:1;
684 	u32 n:4;
685 	u32 k:24;
686 };
687 
688 /* The size in bits of the PLL divide multiplied by 10
689  * to allow rounding later */
690 #define FIXED_PLL_SIZE ((1 << 22) * 10)
691 
692 static void pll_factors(struct _pll_div *pll_div, unsigned int source)
693 {
694 	u64 Kpart;
695 	unsigned int K, Ndiv, Nmod, target;
696 
697 	/* The the PLL output is always 98.304MHz. */
698 	target = 98304000;
699 
700 	/* If the input frequency is over 14.4MHz then scale it down. */
701 	if (source > 14400000) {
702 		source >>= 1;
703 		pll_div->divsel = 1;
704 
705 		if (source > 14400000) {
706 			source >>= 1;
707 			pll_div->divctl = 1;
708 		} else
709 			pll_div->divctl = 0;
710 
711 	} else {
712 		pll_div->divsel = 0;
713 		pll_div->divctl = 0;
714 	}
715 
716 	/* Low frequency sources require an additional divide in the
717 	 * loop.
718 	 */
719 	if (source < 8192000) {
720 		pll_div->lf = 1;
721 		target >>= 2;
722 	} else
723 		pll_div->lf = 0;
724 
725 	Ndiv = target / source;
726 	if ((Ndiv < 5) || (Ndiv > 12))
727 		printk(KERN_WARNING
728 			"WM9713 PLL N value %u out of recommended range!\n",
729 			Ndiv);
730 
731 	pll_div->n = Ndiv;
732 	Nmod = target % source;
733 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
734 
735 	do_div(Kpart, source);
736 
737 	K = Kpart & 0xFFFFFFFF;
738 
739 	/* Check if we need to round */
740 	if ((K % 10) >= 5)
741 		K += 5;
742 
743 	/* Move down to proper range now rounding is done */
744 	K /= 10;
745 
746 	pll_div->k = K;
747 }
748 
749 /**
750  * Please note that changing the PLL input frequency may require
751  * resynchronisation with the AC97 controller.
752  */
753 static int wm9713_set_pll(struct snd_soc_codec *codec,
754 	int pll_id, unsigned int freq_in, unsigned int freq_out)
755 {
756 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
757 	u16 reg, reg2;
758 	struct _pll_div pll_div;
759 
760 	/* turn PLL off ? */
761 	if (freq_in == 0) {
762 		/* disable PLL power and select ext source */
763 		reg = ac97_read(codec, AC97_HANDSET_RATE);
764 		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
765 		reg = ac97_read(codec, AC97_EXTENDED_MID);
766 		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
767 		wm9713->pll_in = 0;
768 		return 0;
769 	}
770 
771 	pll_factors(&pll_div, freq_in);
772 
773 	if (pll_div.k == 0) {
774 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
775 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
776 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
777 	} else {
778 		/* write the fractional k to the reg 0x46 pages */
779 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
780 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
781 
782 		/* K [21:20] */
783 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
784 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
785 
786 		/* K [19:16] */
787 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
788 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
789 
790 		/* K [15:12] */
791 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
792 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
793 
794 		/* K [11:8] */
795 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
796 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
797 
798 		/* K [7:4] */
799 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
800 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
801 
802 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
803 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
804 	}
805 
806 	/* turn PLL on and select as source */
807 	reg = ac97_read(codec, AC97_EXTENDED_MID);
808 	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
809 	reg = ac97_read(codec, AC97_HANDSET_RATE);
810 	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
811 	wm9713->pll_in = freq_in;
812 
813 	/* wait 10ms AC97 link frames for the link to stabilise */
814 	schedule_timeout_interruptible(msecs_to_jiffies(10));
815 	return 0;
816 }
817 
818 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
819 		int source, unsigned int freq_in, unsigned int freq_out)
820 {
821 	struct snd_soc_codec *codec = codec_dai->codec;
822 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
823 }
824 
825 /*
826  * Tristate the PCM DAI lines, tristate can be disabled by calling
827  * wm9713_set_dai_fmt()
828  */
829 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
830 	int tristate)
831 {
832 	struct snd_soc_codec *codec = codec_dai->codec;
833 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
834 
835 	if (tristate)
836 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
837 
838 	return 0;
839 }
840 
841 /*
842  * Configure WM9713 clock dividers.
843  * Voice DAC needs 256 FS
844  */
845 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
846 		int div_id, int div)
847 {
848 	struct snd_soc_codec *codec = codec_dai->codec;
849 	u16 reg;
850 
851 	switch (div_id) {
852 	case WM9713_PCMCLK_DIV:
853 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
854 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
855 		break;
856 	case WM9713_CLKA_MULT:
857 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
858 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
859 		break;
860 	case WM9713_CLKB_MULT:
861 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
862 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
863 		break;
864 	case WM9713_HIFI_DIV:
865 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
866 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
867 		break;
868 	case WM9713_PCMBCLK_DIV:
869 		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
870 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
871 		break;
872 	case WM9713_PCMCLK_PLL_DIV:
873 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
874 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
875 		break;
876 	case WM9713_HIFI_PLL_DIV:
877 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
878 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
879 		break;
880 	default:
881 		return -EINVAL;
882 	}
883 
884 	return 0;
885 }
886 
887 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
888 		unsigned int fmt)
889 {
890 	struct snd_soc_codec *codec = codec_dai->codec;
891 	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
892 	u16 reg = 0x8000;
893 
894 	/* clock masters */
895 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
896 	case SND_SOC_DAIFMT_CBM_CFM:
897 		reg |= 0x4000;
898 		gpio |= 0x0010;
899 		break;
900 	case SND_SOC_DAIFMT_CBM_CFS:
901 		reg |= 0x6000;
902 		gpio |= 0x0018;
903 		break;
904 	case SND_SOC_DAIFMT_CBS_CFS:
905 		reg |= 0x2000;
906 		gpio |= 0x001a;
907 		break;
908 	case SND_SOC_DAIFMT_CBS_CFM:
909 		gpio |= 0x0012;
910 		break;
911 	}
912 
913 	/* clock inversion */
914 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
915 	case SND_SOC_DAIFMT_IB_IF:
916 		reg |= 0x00c0;
917 		break;
918 	case SND_SOC_DAIFMT_IB_NF:
919 		reg |= 0x0080;
920 		break;
921 	case SND_SOC_DAIFMT_NB_IF:
922 		reg |= 0x0040;
923 		break;
924 	}
925 
926 	/* DAI format */
927 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
928 	case SND_SOC_DAIFMT_I2S:
929 		reg |= 0x0002;
930 		break;
931 	case SND_SOC_DAIFMT_RIGHT_J:
932 		break;
933 	case SND_SOC_DAIFMT_LEFT_J:
934 		reg |= 0x0001;
935 		break;
936 	case SND_SOC_DAIFMT_DSP_A:
937 		reg |= 0x0003;
938 		break;
939 	case SND_SOC_DAIFMT_DSP_B:
940 		reg |= 0x0043;
941 		break;
942 	}
943 
944 	ac97_write(codec, AC97_GPIO_CFG, gpio);
945 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
946 	return 0;
947 }
948 
949 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
950 				struct snd_pcm_hw_params *params,
951 				struct snd_soc_dai *dai)
952 {
953 	struct snd_soc_codec *codec = dai->codec;
954 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
955 
956 	switch (params_format(params)) {
957 	case SNDRV_PCM_FORMAT_S16_LE:
958 		break;
959 	case SNDRV_PCM_FORMAT_S20_3LE:
960 		reg |= 0x0004;
961 		break;
962 	case SNDRV_PCM_FORMAT_S24_LE:
963 		reg |= 0x0008;
964 		break;
965 	case SNDRV_PCM_FORMAT_S32_LE:
966 		reg |= 0x000c;
967 		break;
968 	}
969 
970 	/* enable PCM interface in master mode */
971 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
972 	return 0;
973 }
974 
975 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
976 			     struct snd_soc_dai *dai)
977 {
978 	struct snd_soc_codec *codec = dai->codec;
979 	struct snd_pcm_runtime *runtime = substream->runtime;
980 	int reg;
981 	u16 vra;
982 
983 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
984 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
985 
986 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
987 		reg = AC97_PCM_FRONT_DAC_RATE;
988 	else
989 		reg = AC97_PCM_LR_ADC_RATE;
990 
991 	return ac97_write(codec, reg, runtime->rate);
992 }
993 
994 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
995 			    struct snd_soc_dai *dai)
996 {
997 	struct snd_soc_codec *codec = dai->codec;
998 	struct snd_pcm_runtime *runtime = substream->runtime;
999 	u16 vra, xsle;
1000 
1001 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1002 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1003 	xsle = ac97_read(codec, AC97_PCI_SID);
1004 	ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1005 
1006 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1007 		return -ENODEV;
1008 
1009 	return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1010 }
1011 
1012 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
1013 		      SNDRV_PCM_RATE_11025 |	\
1014 		      SNDRV_PCM_RATE_22050 |	\
1015 		      SNDRV_PCM_RATE_44100 |	\
1016 		      SNDRV_PCM_RATE_48000)
1017 
1018 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
1019 			  SNDRV_PCM_RATE_11025 |	\
1020 			  SNDRV_PCM_RATE_16000 |	\
1021 			  SNDRV_PCM_RATE_22050 |	\
1022 			  SNDRV_PCM_RATE_44100 |	\
1023 			  SNDRV_PCM_RATE_48000)
1024 
1025 #define WM9713_PCM_FORMATS \
1026 	(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1027 	 SNDRV_PCM_FORMAT_S24_LE)
1028 
1029 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1030 	.prepare	= ac97_hifi_prepare,
1031 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1032 	.set_pll	= wm9713_set_dai_pll,
1033 };
1034 
1035 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1036 	.prepare	= ac97_aux_prepare,
1037 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1038 	.set_pll	= wm9713_set_dai_pll,
1039 };
1040 
1041 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1042 	.hw_params	= wm9713_pcm_hw_params,
1043 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1044 	.set_pll	= wm9713_set_dai_pll,
1045 	.set_fmt	= wm9713_set_dai_fmt,
1046 	.set_tristate	= wm9713_set_dai_tristate,
1047 };
1048 
1049 static struct snd_soc_dai_driver wm9713_dai[] = {
1050 {
1051 	.name = "wm9713-hifi",
1052 	.ac97_control = 1,
1053 	.playback = {
1054 		.stream_name = "HiFi Playback",
1055 		.channels_min = 1,
1056 		.channels_max = 2,
1057 		.rates = WM9713_RATES,
1058 		.formats = SND_SOC_STD_AC97_FMTS,},
1059 	.capture = {
1060 		.stream_name = "HiFi Capture",
1061 		.channels_min = 1,
1062 		.channels_max = 2,
1063 		.rates = WM9713_RATES,
1064 		.formats = SND_SOC_STD_AC97_FMTS,},
1065 	.ops = &wm9713_dai_ops_hifi,
1066 	},
1067 	{
1068 	.name = "wm9713-aux",
1069 	.playback = {
1070 		.stream_name = "Aux Playback",
1071 		.channels_min = 1,
1072 		.channels_max = 1,
1073 		.rates = WM9713_RATES,
1074 		.formats = SND_SOC_STD_AC97_FMTS,},
1075 	.ops = &wm9713_dai_ops_aux,
1076 	},
1077 	{
1078 	.name = "wm9713-voice",
1079 	.playback = {
1080 		.stream_name = "Voice Playback",
1081 		.channels_min = 1,
1082 		.channels_max = 1,
1083 		.rates = WM9713_PCM_RATES,
1084 		.formats = WM9713_PCM_FORMATS,},
1085 	.capture = {
1086 		.stream_name = "Voice Capture",
1087 		.channels_min = 1,
1088 		.channels_max = 2,
1089 		.rates = WM9713_PCM_RATES,
1090 		.formats = WM9713_PCM_FORMATS,},
1091 	.ops = &wm9713_dai_ops_voice,
1092 	.symmetric_rates = 1,
1093 	},
1094 };
1095 
1096 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1097 {
1098 	if (try_warm && soc_ac97_ops.warm_reset) {
1099 		soc_ac97_ops.warm_reset(codec->ac97);
1100 		if (ac97_read(codec, 0) == wm9713_reg[0])
1101 			return 1;
1102 	}
1103 
1104 	soc_ac97_ops.reset(codec->ac97);
1105 	if (soc_ac97_ops.warm_reset)
1106 		soc_ac97_ops.warm_reset(codec->ac97);
1107 	if (ac97_read(codec, 0) != wm9713_reg[0])
1108 		return -EIO;
1109 	return 0;
1110 }
1111 EXPORT_SYMBOL_GPL(wm9713_reset);
1112 
1113 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1114 				 enum snd_soc_bias_level level)
1115 {
1116 	u16 reg;
1117 
1118 	switch (level) {
1119 	case SND_SOC_BIAS_ON:
1120 		/* enable thermal shutdown */
1121 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1122 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1123 		break;
1124 	case SND_SOC_BIAS_PREPARE:
1125 		break;
1126 	case SND_SOC_BIAS_STANDBY:
1127 		/* enable master bias and vmid */
1128 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1129 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1130 		ac97_write(codec, AC97_POWERDOWN, 0x0000);
1131 		break;
1132 	case SND_SOC_BIAS_OFF:
1133 		/* disable everything including AC link */
1134 		ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1135 		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1136 		ac97_write(codec, AC97_POWERDOWN, 0xffff);
1137 		break;
1138 	}
1139 	codec->dapm.bias_level = level;
1140 	return 0;
1141 }
1142 
1143 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1144 {
1145 	u16 reg;
1146 
1147 	/* Disable everything except touchpanel - that will be handled
1148 	 * by the touch driver and left disabled if touch is not in
1149 	 * use. */
1150 	reg = ac97_read(codec, AC97_EXTENDED_MID);
1151 	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1152 	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1153 	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1154 	ac97_write(codec, AC97_POWERDOWN, 0xffff);
1155 
1156 	return 0;
1157 }
1158 
1159 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1160 {
1161 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1162 	int i, ret;
1163 	u16 *cache = codec->reg_cache;
1164 
1165 	ret = wm9713_reset(codec, 1);
1166 	if (ret < 0) {
1167 		printk(KERN_ERR "could not reset AC97 codec\n");
1168 		return ret;
1169 	}
1170 
1171 	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1172 
1173 	/* do we need to re-start the PLL ? */
1174 	if (wm9713->pll_in)
1175 		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1176 
1177 	/* only synchronise the codec if warm reset failed */
1178 	if (ret == 0) {
1179 		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1180 			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1181 				i == AC97_EXTENDED_MSTATUS || i > 0x66)
1182 				continue;
1183 			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
1184 		}
1185 	}
1186 
1187 	return ret;
1188 }
1189 
1190 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1191 {
1192 	struct wm9713_priv *wm9713;
1193 	int ret = 0, reg;
1194 
1195 	wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1196 	if (wm9713 == NULL)
1197 		return -ENOMEM;
1198 	snd_soc_codec_set_drvdata(codec, wm9713);
1199 
1200 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
1201 	if (ret < 0)
1202 		goto codec_err;
1203 
1204 	/* do a cold reset for the controller and then try
1205 	 * a warm reset followed by an optional cold reset for codec */
1206 	wm9713_reset(codec, 0);
1207 	ret = wm9713_reset(codec, 1);
1208 	if (ret < 0) {
1209 		printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
1210 		goto reset_err;
1211 	}
1212 
1213 	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1214 
1215 	/* unmute the adc - move to kcontrol */
1216 	reg = ac97_read(codec, AC97_CD) & 0x7fff;
1217 	ac97_write(codec, AC97_CD, reg);
1218 
1219 	snd_soc_add_codec_controls(codec, wm9713_snd_ac97_controls,
1220 				ARRAY_SIZE(wm9713_snd_ac97_controls));
1221 
1222 	return 0;
1223 
1224 reset_err:
1225 	snd_soc_free_ac97_codec(codec);
1226 codec_err:
1227 	kfree(wm9713);
1228 	return ret;
1229 }
1230 
1231 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1232 {
1233 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1234 	snd_soc_free_ac97_codec(codec);
1235 	kfree(wm9713);
1236 	return 0;
1237 }
1238 
1239 static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1240 	.probe = 	wm9713_soc_probe,
1241 	.remove = 	wm9713_soc_remove,
1242 	.suspend =	wm9713_soc_suspend,
1243 	.resume = 	wm9713_soc_resume,
1244 	.read = ac97_read,
1245 	.write = ac97_write,
1246 	.set_bias_level = wm9713_set_bias_level,
1247 	.reg_cache_size = ARRAY_SIZE(wm9713_reg),
1248 	.reg_word_size = sizeof(u16),
1249 	.reg_cache_step = 2,
1250 	.reg_cache_default = wm9713_reg,
1251 	.dapm_widgets = wm9713_dapm_widgets,
1252 	.num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1253 	.dapm_routes = wm9713_audio_map,
1254 	.num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1255 };
1256 
1257 static __devinit int wm9713_probe(struct platform_device *pdev)
1258 {
1259 	return snd_soc_register_codec(&pdev->dev,
1260 			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1261 }
1262 
1263 static int __devexit wm9713_remove(struct platform_device *pdev)
1264 {
1265 	snd_soc_unregister_codec(&pdev->dev);
1266 	return 0;
1267 }
1268 
1269 static struct platform_driver wm9713_codec_driver = {
1270 	.driver = {
1271 			.name = "wm9713-codec",
1272 			.owner = THIS_MODULE,
1273 	},
1274 
1275 	.probe = wm9713_probe,
1276 	.remove = __devexit_p(wm9713_remove),
1277 };
1278 
1279 module_platform_driver(wm9713_codec_driver);
1280 
1281 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1282 MODULE_AUTHOR("Liam Girdwood");
1283 MODULE_LICENSE("GPL");
1284