xref: /openbmc/linux/sound/soc/codecs/wm9713.c (revision b96fc2f3)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006-10 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  *  Features:-
13  *
14  *   o Support for AC97 Codec, Voice DAC and Aux DAC
15  *   o Support for DAPM
16  */
17 
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/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 #define WM9713_VENDOR_ID 0x574d4c13
33 #define WM9713_VENDOR_ID_MASK 0xffffffff
34 
35 struct wm9713_priv {
36 	struct snd_ac97 *ac97;
37 	u32 pll_in; /* PLL input frequency */
38 	unsigned int hp_mixer[2];
39 	struct mutex lock;
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 };
69 
70 #define HPL_MIXER 0
71 #define HPR_MIXER 1
72 
73 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
74 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
75 static const char *wm9713_rec_src[] =
76 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
77 	"Mono Out", "Zh"};
78 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
79 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
80 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv"};
81 static const char *wm9713_spk_pga[] =
82 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
83 	"Speaker Vmid", "Inv Vmid"};
84 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
85 	"Headphone Vmid"};
86 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
87 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
88 static const char *wm9713_dac_inv[] =
89 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
90 	"Headphone Mono", "NC", "Vmid"};
91 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
92 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
93 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
94 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
95 
96 static const struct soc_enum wm9713_enum[] = {
97 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
98 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
99 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
100 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
101 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
102 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
103 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
104 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
105 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
106 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
107 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
108 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
109 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
110 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
111 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
112 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
113 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
114 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
115 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
116 SOC_ENUM_SINGLE_VIRT(2, wm9713_micb_select), /* mic selection 19 */
117 };
118 
119 static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
120 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
121 static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
122 static const  DECLARE_TLV_DB_RANGE(mic_tlv,
123 	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
124 	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0)
125 );
126 
127 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
128 SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
129 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
130 SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
131 	       out_tlv),
132 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
133 SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
134 SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
135 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
136 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
137 SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
138 SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
139 
140 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
141 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
142 
143 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
144 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
145 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
146 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
147 
148 SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
149 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
150 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
151 
152 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
153 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
154 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
155 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
156 SOC_ENUM("ALC Function", wm9713_enum[6]),
157 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
158 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
159 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
160 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
161 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
162 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
163 
164 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
165 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
166 
167 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
168 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
169 SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
170 
171 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
172 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
173 SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
174 
175 SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
176 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
177 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
178 SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
179 
180 SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
181 	       misc_tlv),
182 SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
183 	       misc_tlv),
184 SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
185 
186 SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
187 	       misc_tlv),
188 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
189 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
190 
191 SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
192 	       misc_tlv),
193 
194 SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
195 	       misc_tlv),
196 SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
197 	       misc_tlv),
198 
199 SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
200 	       misc_tlv),
201 SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
202 	       misc_tlv),
203 
204 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
205 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
206 
207 SOC_ENUM("Bass Control", wm9713_enum[16]),
208 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
209 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
210 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
211 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
212 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
213 
214 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
215 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
216 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
217 };
218 
219 static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
220 				 struct snd_kcontrol *kcontrol, int event)
221 {
222 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
223 	u16 status, rate;
224 
225 	if (WARN_ON(event != SND_SOC_DAPM_PRE_PMD))
226 		return -EINVAL;
227 
228 	/* Gracefully shut down the voice interface. */
229 	status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
230 	rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
231 	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
232 	schedule_timeout_interruptible(msecs_to_jiffies(1));
233 	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
234 	ac97_write(codec, AC97_EXTENDED_MID, status);
235 
236 	return 0;
237 }
238 
239 static const unsigned int wm9713_mixer_mute_regs[] = {
240 	AC97_PC_BEEP,
241 	AC97_MASTER_TONE,
242 	AC97_PHONE,
243 	AC97_REC_SEL,
244 	AC97_PCM,
245 	AC97_AUX,
246 };
247 
248 /* We have to create a fake left and right HP mixers because
249  * the codec only has a single control that is shared by both channels.
250  * This makes it impossible to determine the audio path using the current
251  * register map, thus we add a new (virtual) register to help determine the
252  * audio route within the device.
253  */
254 static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
255 	struct snd_ctl_elem_value *ucontrol)
256 {
257 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
258 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
259 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
260 	unsigned int val = ucontrol->value.integer.value[0];
261 	struct soc_mixer_control *mc =
262 		(struct soc_mixer_control *)kcontrol->private_value;
263 	unsigned int mixer, mask, shift, old;
264 	struct snd_soc_dapm_update update;
265 	bool change;
266 
267 	mixer = mc->shift >> 8;
268 	shift = mc->shift & 0xff;
269 	mask = (1 << shift);
270 
271 	mutex_lock(&wm9713->lock);
272 	old = wm9713->hp_mixer[mixer];
273 	if (ucontrol->value.integer.value[0])
274 		wm9713->hp_mixer[mixer] |= mask;
275 	else
276 		wm9713->hp_mixer[mixer] &= ~mask;
277 
278 	change = old != wm9713->hp_mixer[mixer];
279 	if (change) {
280 		update.kcontrol = kcontrol;
281 		update.reg = wm9713_mixer_mute_regs[shift];
282 		update.mask = 0x8000;
283 		if ((wm9713->hp_mixer[0] & mask) ||
284 		    (wm9713->hp_mixer[1] & mask))
285 			update.val = 0x0;
286 		else
287 			update.val = 0x8000;
288 
289 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
290 			&update);
291 	}
292 
293 	mutex_unlock(&wm9713->lock);
294 
295 	return change;
296 }
297 
298 static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol,
299 	struct snd_ctl_elem_value *ucontrol)
300 {
301 	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
302 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
303 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
304 	struct soc_mixer_control *mc =
305 		(struct soc_mixer_control *)kcontrol->private_value;
306 	unsigned int mixer, shift;
307 
308 	mixer = mc->shift >> 8;
309 	shift = mc->shift & 0xff;
310 
311 	ucontrol->value.integer.value[0] =
312 		(wm9713->hp_mixer[mixer] >> shift) & 1;
313 
314 	return 0;
315 }
316 
317 #define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \
318 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
319 	.info = snd_soc_info_volsw, \
320 	.get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \
321 	.private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \
322 		xshift, xmixer, 1, 0, 0) \
323 }
324 
325 /* Left Headphone Mixers */
326 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
327 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5),
328 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4),
329 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3),
330 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2),
331 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1),
332 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0),
333 };
334 
335 /* Right Headphone Mixers */
336 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
337 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5),
338 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4),
339 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3),
340 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2),
341 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1),
342 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0),
343 };
344 
345 /* headphone capture mux */
346 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
347 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
348 
349 /* headphone mic mux */
350 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
351 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
352 
353 /* Speaker Mixer */
354 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
355 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
356 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
357 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
358 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
359 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
360 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
361 };
362 
363 /* Mono Mixer */
364 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
365 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
366 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
367 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
368 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
369 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
370 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
371 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
372 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
373 };
374 
375 /* mono mic mux */
376 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
377 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
378 
379 /* mono output mux */
380 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
381 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
382 
383 /* speaker left output mux */
384 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
385 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
386 
387 /* speaker right output mux */
388 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
389 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
390 
391 /* headphone left output mux */
392 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
393 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
394 
395 /* headphone right output mux */
396 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
397 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
398 
399 /* Out3 mux */
400 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
401 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
402 
403 /* Out4 mux */
404 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
405 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
406 
407 /* DAC inv mux 1 */
408 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
409 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
410 
411 /* DAC inv mux 2 */
412 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
413 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
414 
415 /* Capture source left */
416 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
417 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
418 
419 /* Capture source right */
420 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
421 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
422 
423 /* mic source */
424 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
425 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
426 
427 /* mic source B virtual control */
428 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
429 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
430 
431 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
432 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
433 	&wm9713_hp_rec_mux_controls),
434 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
435 	&wm9713_hp_mic_mux_controls),
436 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
437 	&wm9713_mono_mic_mux_controls),
438 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
439 	&wm9713_mono_mux_controls),
440 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
441 	&wm9713_hp_spkl_mux_controls),
442 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
443 	&wm9713_hp_spkr_mux_controls),
444 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
445 	&wm9713_hpl_out_mux_controls),
446 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
447 	&wm9713_hpr_out_mux_controls),
448 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
449 	&wm9713_out3_mux_controls),
450 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
451 	&wm9713_out4_mux_controls),
452 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
453 	&wm9713_dac_inv1_mux_controls),
454 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
455 	&wm9713_dac_inv2_mux_controls),
456 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
457 	&wm9713_rec_srcl_mux_controls),
458 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
459 	&wm9713_rec_srcr_mux_controls),
460 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
461 	&wm9713_mic_sel_mux_controls),
462 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
463 	&wm9713_micb_sel_mux_controls),
464 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
465 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)),
466 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
467 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)),
468 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
469 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
470 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
471 	&wm9713_speaker_mixer_controls[0],
472 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
473 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
474 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
475 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
476 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
477 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
478 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
479 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
480 		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
481 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
482 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
483 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
484 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
485 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
486 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
487 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
488 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
489 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
490 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
491 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
492 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
493 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
494 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
495 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
496 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
497 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
498 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
499 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
500 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
501 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
502 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
503 SND_SOC_DAPM_OUTPUT("MONO"),
504 SND_SOC_DAPM_OUTPUT("HPL"),
505 SND_SOC_DAPM_OUTPUT("HPR"),
506 SND_SOC_DAPM_OUTPUT("SPKL"),
507 SND_SOC_DAPM_OUTPUT("SPKR"),
508 SND_SOC_DAPM_OUTPUT("OUT3"),
509 SND_SOC_DAPM_OUTPUT("OUT4"),
510 SND_SOC_DAPM_INPUT("LINEL"),
511 SND_SOC_DAPM_INPUT("LINER"),
512 SND_SOC_DAPM_INPUT("MONOIN"),
513 SND_SOC_DAPM_INPUT("PCBEEP"),
514 SND_SOC_DAPM_INPUT("MIC1"),
515 SND_SOC_DAPM_INPUT("MIC2A"),
516 SND_SOC_DAPM_INPUT("MIC2B"),
517 SND_SOC_DAPM_VMID("VMID"),
518 };
519 
520 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
521 	/* left HP mixer */
522 	{"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
523 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
524 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
525 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
526 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
527 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
528 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
529 
530 	/* right HP mixer */
531 	{"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
532 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
533 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
534 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
535 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
536 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
537 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
538 
539 	/* virtual mixer - mixes left & right channels for spk and mono */
540 	{"AC97 Mixer", NULL, "Left DAC"},
541 	{"AC97 Mixer", NULL, "Right DAC"},
542 	{"Line Mixer", NULL, "Right Line In"},
543 	{"Line Mixer", NULL, "Left Line In"},
544 	{"HP Mixer", NULL, "Left HP Mixer"},
545 	{"HP Mixer", NULL, "Right HP Mixer"},
546 	{"Capture Mixer", NULL, "Left Capture Source"},
547 	{"Capture Mixer", NULL, "Right Capture Source"},
548 
549 	/* speaker mixer */
550 	{"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
551 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
552 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
553 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
554 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
555 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
556 
557 	/* mono mixer */
558 	{"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
559 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
560 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
561 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
562 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
563 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
564 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
565 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
566 
567 	/* DAC inv mux 1 */
568 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
569 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
570 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
571 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
572 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
573 
574 	/* DAC inv mux 2 */
575 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
576 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
577 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
578 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
579 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
580 
581 	/* headphone left mux */
582 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
583 
584 	/* headphone right mux */
585 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
586 
587 	/* speaker left mux */
588 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
589 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
590 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
591 
592 	/* speaker right mux */
593 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
594 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
595 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
596 
597 	/* mono mux */
598 	{"Mono Out Mux", "Mono", "Mono Mixer"},
599 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
600 
601 	/* out 3 mux */
602 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
603 
604 	/* out 4 mux */
605 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
606 
607 	/* output pga */
608 	{"HPL", NULL, "Left Headphone"},
609 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
610 	{"HPR", NULL, "Right Headphone"},
611 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
612 	{"OUT3", NULL, "Out 3"},
613 	{"Out 3", NULL, "Out 3 Mux"},
614 	{"OUT4", NULL, "Out 4"},
615 	{"Out 4", NULL, "Out 4 Mux"},
616 	{"SPKL", NULL, "Left Speaker"},
617 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
618 	{"SPKR", NULL, "Right Speaker"},
619 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
620 	{"MONO", NULL, "Mono Out"},
621 	{"Mono Out", NULL, "Mono Out Mux"},
622 
623 	/* input pga */
624 	{"Left Line In", NULL, "LINEL"},
625 	{"Right Line In", NULL, "LINER"},
626 	{"Mono In", NULL, "MONOIN"},
627 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
628 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
629 
630 	/* left capture select */
631 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
632 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
633 	{"Left Capture Source", "Line", "LINEL"},
634 	{"Left Capture Source", "Mono In", "MONOIN"},
635 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
636 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
637 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
638 
639 	/* right capture select */
640 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
641 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
642 	{"Right Capture Source", "Line", "LINER"},
643 	{"Right Capture Source", "Mono In", "MONOIN"},
644 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
645 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
646 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
647 
648 	/* left ADC */
649 	{"Left ADC", NULL, "Left Capture Source"},
650 	{"Left Voice ADC", NULL, "Left ADC"},
651 	{"Left HiFi ADC", NULL, "Left ADC"},
652 
653 	/* right ADC */
654 	{"Right ADC", NULL, "Right Capture Source"},
655 	{"Right Voice ADC", NULL, "Right ADC"},
656 	{"Right HiFi ADC", NULL, "Right ADC"},
657 
658 	/* mic */
659 	{"Mic A Pre Amp", NULL, "Mic A Source"},
660 	{"Mic A Source", "Mic 1", "MIC1"},
661 	{"Mic A Source", "Mic 2 A", "MIC2A"},
662 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
663 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
664 	{"Mic B Source", NULL, "MIC2B"},
665 
666 	/* headphone capture */
667 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
668 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
669 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
670 
671 	/* mono capture */
672 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
673 	{"Capture Mono Mux", "Left", "Left Capture Source"},
674 	{"Capture Mono Mux", "Right", "Right Capture Source"},
675 };
676 
677 static unsigned int ac97_read(struct snd_soc_codec *codec,
678 	unsigned int reg)
679 {
680 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
681 	u16 *cache = codec->reg_cache;
682 
683 	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
684 		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
685 		reg == AC97_CD)
686 		return soc_ac97_ops->read(wm9713->ac97, reg);
687 	else {
688 		reg = reg >> 1;
689 
690 		if (reg >= (ARRAY_SIZE(wm9713_reg)))
691 			return -EIO;
692 
693 		return cache[reg];
694 	}
695 }
696 
697 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
698 	unsigned int val)
699 {
700 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
701 
702 	u16 *cache = codec->reg_cache;
703 	soc_ac97_ops->write(wm9713->ac97, reg, val);
704 	reg = reg >> 1;
705 	if (reg < (ARRAY_SIZE(wm9713_reg)))
706 		cache[reg] = val;
707 
708 	return 0;
709 }
710 
711 /* PLL divisors */
712 struct _pll_div {
713 	u32 divsel:1;
714 	u32 divctl:1;
715 	u32 lf:1;
716 	u32 n:4;
717 	u32 k:24;
718 };
719 
720 /* The size in bits of the PLL divide multiplied by 10
721  * to allow rounding later */
722 #define FIXED_PLL_SIZE ((1 << 22) * 10)
723 
724 static void pll_factors(struct snd_soc_codec *codec,
725 	struct _pll_div *pll_div, unsigned int source)
726 {
727 	u64 Kpart;
728 	unsigned int K, Ndiv, Nmod, target;
729 
730 	/* The the PLL output is always 98.304MHz. */
731 	target = 98304000;
732 
733 	/* If the input frequency is over 14.4MHz then scale it down. */
734 	if (source > 14400000) {
735 		source >>= 1;
736 		pll_div->divsel = 1;
737 
738 		if (source > 14400000) {
739 			source >>= 1;
740 			pll_div->divctl = 1;
741 		} else
742 			pll_div->divctl = 0;
743 
744 	} else {
745 		pll_div->divsel = 0;
746 		pll_div->divctl = 0;
747 	}
748 
749 	/* Low frequency sources require an additional divide in the
750 	 * loop.
751 	 */
752 	if (source < 8192000) {
753 		pll_div->lf = 1;
754 		target >>= 2;
755 	} else
756 		pll_div->lf = 0;
757 
758 	Ndiv = target / source;
759 	if ((Ndiv < 5) || (Ndiv > 12))
760 		dev_warn(codec->dev,
761 			"WM9713 PLL N value %u out of recommended range!\n",
762 			Ndiv);
763 
764 	pll_div->n = Ndiv;
765 	Nmod = target % source;
766 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
767 
768 	do_div(Kpart, source);
769 
770 	K = Kpart & 0xFFFFFFFF;
771 
772 	/* Check if we need to round */
773 	if ((K % 10) >= 5)
774 		K += 5;
775 
776 	/* Move down to proper range now rounding is done */
777 	K /= 10;
778 
779 	pll_div->k = K;
780 }
781 
782 /**
783  * Please note that changing the PLL input frequency may require
784  * resynchronisation with the AC97 controller.
785  */
786 static int wm9713_set_pll(struct snd_soc_codec *codec,
787 	int pll_id, unsigned int freq_in, unsigned int freq_out)
788 {
789 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
790 	u16 reg, reg2;
791 	struct _pll_div pll_div;
792 
793 	/* turn PLL off ? */
794 	if (freq_in == 0) {
795 		/* disable PLL power and select ext source */
796 		reg = ac97_read(codec, AC97_HANDSET_RATE);
797 		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
798 		reg = ac97_read(codec, AC97_EXTENDED_MID);
799 		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
800 		wm9713->pll_in = 0;
801 		return 0;
802 	}
803 
804 	pll_factors(codec, &pll_div, freq_in);
805 
806 	if (pll_div.k == 0) {
807 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
808 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
809 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
810 	} else {
811 		/* write the fractional k to the reg 0x46 pages */
812 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
813 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
814 
815 		/* K [21:20] */
816 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
817 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
818 
819 		/* K [19:16] */
820 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
821 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
822 
823 		/* K [15:12] */
824 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
825 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
826 
827 		/* K [11:8] */
828 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
829 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
830 
831 		/* K [7:4] */
832 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
833 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
834 
835 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
836 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
837 	}
838 
839 	/* turn PLL on and select as source */
840 	reg = ac97_read(codec, AC97_EXTENDED_MID);
841 	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
842 	reg = ac97_read(codec, AC97_HANDSET_RATE);
843 	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
844 	wm9713->pll_in = freq_in;
845 
846 	/* wait 10ms AC97 link frames for the link to stabilise */
847 	schedule_timeout_interruptible(msecs_to_jiffies(10));
848 	return 0;
849 }
850 
851 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
852 		int source, unsigned int freq_in, unsigned int freq_out)
853 {
854 	struct snd_soc_codec *codec = codec_dai->codec;
855 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
856 }
857 
858 /*
859  * Tristate the PCM DAI lines, tristate can be disabled by calling
860  * wm9713_set_dai_fmt()
861  */
862 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
863 	int tristate)
864 {
865 	struct snd_soc_codec *codec = codec_dai->codec;
866 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
867 
868 	if (tristate)
869 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
870 
871 	return 0;
872 }
873 
874 /*
875  * Configure WM9713 clock dividers.
876  * Voice DAC needs 256 FS
877  */
878 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
879 		int div_id, int div)
880 {
881 	struct snd_soc_codec *codec = codec_dai->codec;
882 	u16 reg;
883 
884 	switch (div_id) {
885 	case WM9713_PCMCLK_DIV:
886 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
887 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
888 		break;
889 	case WM9713_CLKA_MULT:
890 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
891 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
892 		break;
893 	case WM9713_CLKB_MULT:
894 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
895 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
896 		break;
897 	case WM9713_HIFI_DIV:
898 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
899 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
900 		break;
901 	case WM9713_PCMBCLK_DIV:
902 		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
903 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
904 		break;
905 	case WM9713_PCMCLK_PLL_DIV:
906 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
907 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
908 		break;
909 	case WM9713_HIFI_PLL_DIV:
910 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
911 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
912 		break;
913 	default:
914 		return -EINVAL;
915 	}
916 
917 	return 0;
918 }
919 
920 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
921 		unsigned int fmt)
922 {
923 	struct snd_soc_codec *codec = codec_dai->codec;
924 	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
925 	u16 reg = 0x8000;
926 
927 	/* clock masters */
928 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
929 	case SND_SOC_DAIFMT_CBM_CFM:
930 		reg |= 0x4000;
931 		gpio |= 0x0010;
932 		break;
933 	case SND_SOC_DAIFMT_CBM_CFS:
934 		reg |= 0x6000;
935 		gpio |= 0x0018;
936 		break;
937 	case SND_SOC_DAIFMT_CBS_CFS:
938 		reg |= 0x2000;
939 		gpio |= 0x001a;
940 		break;
941 	case SND_SOC_DAIFMT_CBS_CFM:
942 		gpio |= 0x0012;
943 		break;
944 	}
945 
946 	/* clock inversion */
947 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
948 	case SND_SOC_DAIFMT_IB_IF:
949 		reg |= 0x00c0;
950 		break;
951 	case SND_SOC_DAIFMT_IB_NF:
952 		reg |= 0x0080;
953 		break;
954 	case SND_SOC_DAIFMT_NB_IF:
955 		reg |= 0x0040;
956 		break;
957 	}
958 
959 	/* DAI format */
960 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
961 	case SND_SOC_DAIFMT_I2S:
962 		reg |= 0x0002;
963 		break;
964 	case SND_SOC_DAIFMT_RIGHT_J:
965 		break;
966 	case SND_SOC_DAIFMT_LEFT_J:
967 		reg |= 0x0001;
968 		break;
969 	case SND_SOC_DAIFMT_DSP_A:
970 		reg |= 0x0003;
971 		break;
972 	case SND_SOC_DAIFMT_DSP_B:
973 		reg |= 0x0043;
974 		break;
975 	}
976 
977 	ac97_write(codec, AC97_GPIO_CFG, gpio);
978 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
979 	return 0;
980 }
981 
982 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
983 				struct snd_pcm_hw_params *params,
984 				struct snd_soc_dai *dai)
985 {
986 	struct snd_soc_codec *codec = dai->codec;
987 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
988 
989 	switch (params_width(params)) {
990 	case 16:
991 		break;
992 	case 20:
993 		reg |= 0x0004;
994 		break;
995 	case 24:
996 		reg |= 0x0008;
997 		break;
998 	case 32:
999 		reg |= 0x000c;
1000 		break;
1001 	}
1002 
1003 	/* enable PCM interface in master mode */
1004 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
1005 	return 0;
1006 }
1007 
1008 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
1009 			     struct snd_soc_dai *dai)
1010 {
1011 	struct snd_soc_codec *codec = dai->codec;
1012 	struct snd_pcm_runtime *runtime = substream->runtime;
1013 	int reg;
1014 	u16 vra;
1015 
1016 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1017 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1018 
1019 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1020 		reg = AC97_PCM_FRONT_DAC_RATE;
1021 	else
1022 		reg = AC97_PCM_LR_ADC_RATE;
1023 
1024 	return ac97_write(codec, reg, runtime->rate);
1025 }
1026 
1027 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
1028 			    struct snd_soc_dai *dai)
1029 {
1030 	struct snd_soc_codec *codec = dai->codec;
1031 	struct snd_pcm_runtime *runtime = substream->runtime;
1032 	u16 vra, xsle;
1033 
1034 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1035 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1036 	xsle = ac97_read(codec, AC97_PCI_SID);
1037 	ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1038 
1039 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1040 		return -ENODEV;
1041 
1042 	return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1043 }
1044 
1045 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
1046 		      SNDRV_PCM_RATE_11025 |	\
1047 		      SNDRV_PCM_RATE_22050 |	\
1048 		      SNDRV_PCM_RATE_44100 |	\
1049 		      SNDRV_PCM_RATE_48000)
1050 
1051 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
1052 			  SNDRV_PCM_RATE_11025 |	\
1053 			  SNDRV_PCM_RATE_16000 |	\
1054 			  SNDRV_PCM_RATE_22050 |	\
1055 			  SNDRV_PCM_RATE_44100 |	\
1056 			  SNDRV_PCM_RATE_48000)
1057 
1058 #define WM9713_PCM_FORMATS \
1059 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1060 	 SNDRV_PCM_FMTBIT_S24_LE)
1061 
1062 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1063 	.prepare	= ac97_hifi_prepare,
1064 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1065 	.set_pll	= wm9713_set_dai_pll,
1066 };
1067 
1068 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1069 	.prepare	= ac97_aux_prepare,
1070 	.set_clkdiv	= wm9713_set_dai_clkdiv,
1071 	.set_pll	= wm9713_set_dai_pll,
1072 };
1073 
1074 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1075 	.hw_params	= wm9713_pcm_hw_params,
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 static struct snd_soc_dai_driver wm9713_dai[] = {
1083 {
1084 	.name = "wm9713-hifi",
1085 	.playback = {
1086 		.stream_name = "HiFi Playback",
1087 		.channels_min = 1,
1088 		.channels_max = 2,
1089 		.rates = WM9713_RATES,
1090 		.formats = SND_SOC_STD_AC97_FMTS,},
1091 	.capture = {
1092 		.stream_name = "HiFi Capture",
1093 		.channels_min = 1,
1094 		.channels_max = 2,
1095 		.rates = WM9713_RATES,
1096 		.formats = SND_SOC_STD_AC97_FMTS,},
1097 	.ops = &wm9713_dai_ops_hifi,
1098 	},
1099 	{
1100 	.name = "wm9713-aux",
1101 	.playback = {
1102 		.stream_name = "Aux Playback",
1103 		.channels_min = 1,
1104 		.channels_max = 1,
1105 		.rates = WM9713_RATES,
1106 		.formats = SND_SOC_STD_AC97_FMTS,},
1107 	.ops = &wm9713_dai_ops_aux,
1108 	},
1109 	{
1110 	.name = "wm9713-voice",
1111 	.playback = {
1112 		.stream_name = "Voice Playback",
1113 		.channels_min = 1,
1114 		.channels_max = 1,
1115 		.rates = WM9713_PCM_RATES,
1116 		.formats = WM9713_PCM_FORMATS,},
1117 	.capture = {
1118 		.stream_name = "Voice Capture",
1119 		.channels_min = 1,
1120 		.channels_max = 2,
1121 		.rates = WM9713_PCM_RATES,
1122 		.formats = WM9713_PCM_FORMATS,},
1123 	.ops = &wm9713_dai_ops_voice,
1124 	.symmetric_rates = 1,
1125 	},
1126 };
1127 
1128 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1129 				 enum snd_soc_bias_level level)
1130 {
1131 	u16 reg;
1132 
1133 	switch (level) {
1134 	case SND_SOC_BIAS_ON:
1135 		/* enable thermal shutdown */
1136 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1137 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1138 		break;
1139 	case SND_SOC_BIAS_PREPARE:
1140 		break;
1141 	case SND_SOC_BIAS_STANDBY:
1142 		/* enable master bias and vmid */
1143 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1144 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1145 		ac97_write(codec, AC97_POWERDOWN, 0x0000);
1146 		break;
1147 	case SND_SOC_BIAS_OFF:
1148 		/* disable everything including AC link */
1149 		ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1150 		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1151 		ac97_write(codec, AC97_POWERDOWN, 0xffff);
1152 		break;
1153 	}
1154 	return 0;
1155 }
1156 
1157 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1158 {
1159 	u16 reg;
1160 
1161 	/* Disable everything except touchpanel - that will be handled
1162 	 * by the touch driver and left disabled if touch is not in
1163 	 * use. */
1164 	reg = ac97_read(codec, AC97_EXTENDED_MID);
1165 	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1166 	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1167 	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1168 	ac97_write(codec, AC97_POWERDOWN, 0xffff);
1169 
1170 	return 0;
1171 }
1172 
1173 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1174 {
1175 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1176 	int i, ret;
1177 	u16 *cache = codec->reg_cache;
1178 
1179 	ret = snd_ac97_reset(wm9713->ac97, true, WM9713_VENDOR_ID,
1180 		WM9713_VENDOR_ID_MASK);
1181 	if (ret < 0)
1182 		return ret;
1183 
1184 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1185 
1186 	/* do we need to re-start the PLL ? */
1187 	if (wm9713->pll_in)
1188 		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1189 
1190 	/* only synchronise the codec if warm reset failed */
1191 	if (ret == 0) {
1192 		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1193 			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1194 				i == AC97_EXTENDED_MSTATUS || i > 0x66)
1195 				continue;
1196 			soc_ac97_ops->write(wm9713->ac97, i, cache[i>>1]);
1197 		}
1198 	}
1199 
1200 	return ret;
1201 }
1202 
1203 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1204 {
1205 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1206 	int reg;
1207 
1208 	wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID,
1209 		WM9713_VENDOR_ID_MASK);
1210 	if (IS_ERR(wm9713->ac97))
1211 		return PTR_ERR(wm9713->ac97);
1212 
1213 	/* unmute the adc - move to kcontrol */
1214 	reg = ac97_read(codec, AC97_CD) & 0x7fff;
1215 	ac97_write(codec, AC97_CD, reg);
1216 
1217 	return 0;
1218 }
1219 
1220 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1221 {
1222 	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1223 
1224 	snd_soc_free_ac97_codec(wm9713->ac97);
1225 	return 0;
1226 }
1227 
1228 static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1229 	.probe = 	wm9713_soc_probe,
1230 	.remove = 	wm9713_soc_remove,
1231 	.suspend =	wm9713_soc_suspend,
1232 	.resume = 	wm9713_soc_resume,
1233 	.read = ac97_read,
1234 	.write = ac97_write,
1235 	.set_bias_level = wm9713_set_bias_level,
1236 	.reg_cache_size = ARRAY_SIZE(wm9713_reg),
1237 	.reg_word_size = sizeof(u16),
1238 	.reg_cache_step = 2,
1239 	.reg_cache_default = wm9713_reg,
1240 
1241 	.controls = wm9713_snd_ac97_controls,
1242 	.num_controls = ARRAY_SIZE(wm9713_snd_ac97_controls),
1243 	.dapm_widgets = wm9713_dapm_widgets,
1244 	.num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1245 	.dapm_routes = wm9713_audio_map,
1246 	.num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1247 };
1248 
1249 static int wm9713_probe(struct platform_device *pdev)
1250 {
1251 	struct wm9713_priv *wm9713;
1252 
1253 	wm9713 = devm_kzalloc(&pdev->dev, sizeof(*wm9713), GFP_KERNEL);
1254 	if (wm9713 == NULL)
1255 		return -ENOMEM;
1256 
1257 	mutex_init(&wm9713->lock);
1258 
1259 	platform_set_drvdata(pdev, wm9713);
1260 
1261 	return snd_soc_register_codec(&pdev->dev,
1262 			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1263 }
1264 
1265 static int wm9713_remove(struct platform_device *pdev)
1266 {
1267 	snd_soc_unregister_codec(&pdev->dev);
1268 	return 0;
1269 }
1270 
1271 static struct platform_driver wm9713_codec_driver = {
1272 	.driver = {
1273 			.name = "wm9713-codec",
1274 	},
1275 
1276 	.probe = wm9713_probe,
1277 	.remove = wm9713_remove,
1278 };
1279 
1280 module_platform_driver(wm9713_codec_driver);
1281 
1282 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1283 MODULE_AUTHOR("Liam Girdwood");
1284 MODULE_LICENSE("GPL");
1285