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
32struct wm9713_priv {
33	u32 pll_in; /* PLL input frequency */
34};
35
36static unsigned int ac97_read(struct snd_soc_codec *codec,
37	unsigned int reg);
38static 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 */
45static 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
70static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
71static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
72static const char *wm9713_rec_src[] =
73	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
74	"Mono Out", "Zh"};
75static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
76static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
77static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
78	"Mono Vmid", "Inv Vmid"};
79static const char *wm9713_spk_pga[] =
80	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
81	"Speaker Vmid", "Inv Vmid"};
82static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
83	"Headphone Vmid"};
84static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
85static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
86static const char *wm9713_dac_inv[] =
87	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
88	"Headphone Mono", "NC", "Vmid"};
89static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
90static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
91static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
92static const char *wm9713_micb_select[] = {"MPB", "MPA"};
93
94static const struct soc_enum wm9713_enum[] = {
95SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
96SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
97SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
98SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
99SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
100SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
101SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
102SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
103SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
104SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
105SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
106SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
107SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
108SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
109SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
110SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
111SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
112SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
113SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
114SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
115};
116
117static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
118static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
119static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
120static 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
126static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
127SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
128SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
129SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
130	       out_tlv),
131SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
132SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
133SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
134SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
135SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
136SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
137SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
138
139SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
140SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
141
142SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
143SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
144SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
145SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
146
147SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
148SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
149SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
150
151SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
152SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
153SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
154SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
155SOC_ENUM("ALC Function", wm9713_enum[6]),
156SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
157SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
158SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
159SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
160SOC_ENUM("ALC NG Type", wm9713_enum[17]),
161SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
162
163SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
164SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
165
166SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
167SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
168SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
169
170SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
171SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
172SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
173
174SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
175SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
176SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
177SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
178
179SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
180	       misc_tlv),
181SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
182	       misc_tlv),
183SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
184
185SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
186	       misc_tlv),
187SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
188SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
189
190SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
191	       misc_tlv),
192
193SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
194	       misc_tlv),
195SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
196	       misc_tlv),
197
198SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
199	       misc_tlv),
200SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
201	       misc_tlv),
202
203SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
204SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
205
206SOC_ENUM("Bass Control", wm9713_enum[16]),
207SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
208SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
209SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
210SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
211SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
212
213SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
214SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
215SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
216};
217
218static 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 */
244static 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 */
294static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
295SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
296SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
297SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
298SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
299SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
300SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
301};
302
303/* Right Headphone Mixers */
304static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
305SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
306SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
307SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
308SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
309SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
310SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
311};
312
313/* headphone capture mux */
314static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
315SOC_DAPM_ENUM("Route", wm9713_enum[1]);
316
317/* headphone mic mux */
318static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
319SOC_DAPM_ENUM("Route", wm9713_enum[0]);
320
321/* Speaker Mixer */
322static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
323SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
324SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
325SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
326SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
327SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
328SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
329};
330
331/* Mono Mixer */
332static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
333SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
334SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
335SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
336SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
337SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
338SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
339SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
340SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
341};
342
343/* mono mic mux */
344static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
345SOC_DAPM_ENUM("Route", wm9713_enum[2]);
346
347/* mono output mux */
348static const struct snd_kcontrol_new wm9713_mono_mux_controls =
349SOC_DAPM_ENUM("Route", wm9713_enum[7]);
350
351/* speaker left output mux */
352static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
353SOC_DAPM_ENUM("Route", wm9713_enum[8]);
354
355/* speaker right output mux */
356static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
357SOC_DAPM_ENUM("Route", wm9713_enum[9]);
358
359/* headphone left output mux */
360static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
361SOC_DAPM_ENUM("Route", wm9713_enum[10]);
362
363/* headphone right output mux */
364static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
365SOC_DAPM_ENUM("Route", wm9713_enum[11]);
366
367/* Out3 mux */
368static const struct snd_kcontrol_new wm9713_out3_mux_controls =
369SOC_DAPM_ENUM("Route", wm9713_enum[12]);
370
371/* Out4 mux */
372static const struct snd_kcontrol_new wm9713_out4_mux_controls =
373SOC_DAPM_ENUM("Route", wm9713_enum[13]);
374
375/* DAC inv mux 1 */
376static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
377SOC_DAPM_ENUM("Route", wm9713_enum[14]);
378
379/* DAC inv mux 2 */
380static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
381SOC_DAPM_ENUM("Route", wm9713_enum[15]);
382
383/* Capture source left */
384static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
385SOC_DAPM_ENUM("Route", wm9713_enum[3]);
386
387/* Capture source right */
388static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
389SOC_DAPM_ENUM("Route", wm9713_enum[4]);
390
391/* mic source */
392static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
393SOC_DAPM_ENUM("Route", wm9713_enum[18]);
394
395/* mic source B virtual control */
396static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
397SOC_DAPM_ENUM("Route", wm9713_enum[19]);
398
399static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
400SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
401	&wm9713_hp_rec_mux_controls),
402SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
403	&wm9713_hp_mic_mux_controls),
404SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
405	&wm9713_mono_mic_mux_controls),
406SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
407	&wm9713_mono_mux_controls),
408SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
409	&wm9713_hp_spkl_mux_controls),
410SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
411	&wm9713_hp_spkr_mux_controls),
412SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
413	&wm9713_hpl_out_mux_controls),
414SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
415	&wm9713_hpr_out_mux_controls),
416SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
417	&wm9713_out3_mux_controls),
418SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
419	&wm9713_out4_mux_controls),
420SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
421	&wm9713_dac_inv1_mux_controls),
422SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
423	&wm9713_dac_inv2_mux_controls),
424SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
425	&wm9713_rec_srcl_mux_controls),
426SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
427	&wm9713_rec_srcr_mux_controls),
428SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
429	&wm9713_mic_sel_mux_controls),
430SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
431	&wm9713_micb_sel_mux_controls),
432SND_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),
435SND_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),
438SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
439	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
440SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
441	&wm9713_speaker_mixer_controls[0],
442	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
443SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
444SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
445SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
446SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
447SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
448SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
449SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
450		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
451SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
452SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
453SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
454SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
455SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
456SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
457SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
458SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
459SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
460SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
461SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
462SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
463SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
464SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
465SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
466SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
467SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
468SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
469SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
470SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
471SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
472SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
473SND_SOC_DAPM_OUTPUT("MONO"),
474SND_SOC_DAPM_OUTPUT("HPL"),
475SND_SOC_DAPM_OUTPUT("HPR"),
476SND_SOC_DAPM_OUTPUT("SPKL"),
477SND_SOC_DAPM_OUTPUT("SPKR"),
478SND_SOC_DAPM_OUTPUT("OUT3"),
479SND_SOC_DAPM_OUTPUT("OUT4"),
480SND_SOC_DAPM_INPUT("LINEL"),
481SND_SOC_DAPM_INPUT("LINER"),
482SND_SOC_DAPM_INPUT("MONOIN"),
483SND_SOC_DAPM_INPUT("PCBEEP"),
484SND_SOC_DAPM_INPUT("MIC1"),
485SND_SOC_DAPM_INPUT("MIC2A"),
486SND_SOC_DAPM_INPUT("MIC2B"),
487SND_SOC_DAPM_VMID("VMID"),
488};
489
490static 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
647static 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
666static 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 */
680struct _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
692static 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 */
753static 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
818static 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 */
829static 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 */
845static 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
887static 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
949static 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
975static 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
994static 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
1029static 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
1035static 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
1041static 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
1049static 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
1096int 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}
1111EXPORT_SYMBOL_GPL(wm9713_reset);
1112
1113static 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
1143static int wm9713_soc_suspend(struct snd_soc_codec *codec,
1144	pm_message_t state)
1145{
1146	u16 reg;
1147
1148	/* Disable everything except touchpanel - that will be handled
1149	 * by the touch driver and left disabled if touch is not in
1150	 * use. */
1151	reg = ac97_read(codec, AC97_EXTENDED_MID);
1152	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1153	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1154	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1155	ac97_write(codec, AC97_POWERDOWN, 0xffff);
1156
1157	return 0;
1158}
1159
1160static int wm9713_soc_resume(struct snd_soc_codec *codec)
1161{
1162	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1163	int i, ret;
1164	u16 *cache = codec->reg_cache;
1165
1166	ret = wm9713_reset(codec, 1);
1167	if (ret < 0) {
1168		printk(KERN_ERR "could not reset AC97 codec\n");
1169		return ret;
1170	}
1171
1172	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1173
1174	/* do we need to re-start the PLL ? */
1175	if (wm9713->pll_in)
1176		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1177
1178	/* only synchronise the codec if warm reset failed */
1179	if (ret == 0) {
1180		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1181			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1182				i == AC97_EXTENDED_MSTATUS || i > 0x66)
1183				continue;
1184			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
1185		}
1186	}
1187
1188	return ret;
1189}
1190
1191static int wm9713_soc_probe(struct snd_soc_codec *codec)
1192{
1193	struct wm9713_priv *wm9713;
1194	int ret = 0, reg;
1195
1196	wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1197	if (wm9713 == NULL)
1198		return -ENOMEM;
1199	snd_soc_codec_set_drvdata(codec, wm9713);
1200
1201	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
1202	if (ret < 0)
1203		goto codec_err;
1204
1205	/* do a cold reset for the controller and then try
1206	 * a warm reset followed by an optional cold reset for codec */
1207	wm9713_reset(codec, 0);
1208	ret = wm9713_reset(codec, 1);
1209	if (ret < 0) {
1210		printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
1211		goto reset_err;
1212	}
1213
1214	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1215
1216	/* unmute the adc - move to kcontrol */
1217	reg = ac97_read(codec, AC97_CD) & 0x7fff;
1218	ac97_write(codec, AC97_CD, reg);
1219
1220	snd_soc_add_controls(codec, wm9713_snd_ac97_controls,
1221				ARRAY_SIZE(wm9713_snd_ac97_controls));
1222
1223	return 0;
1224
1225reset_err:
1226	snd_soc_free_ac97_codec(codec);
1227codec_err:
1228	kfree(wm9713);
1229	return ret;
1230}
1231
1232static int wm9713_soc_remove(struct snd_soc_codec *codec)
1233{
1234	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1235	snd_soc_free_ac97_codec(codec);
1236	kfree(wm9713);
1237	return 0;
1238}
1239
1240static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1241	.probe = 	wm9713_soc_probe,
1242	.remove = 	wm9713_soc_remove,
1243	.suspend =	wm9713_soc_suspend,
1244	.resume = 	wm9713_soc_resume,
1245	.read = ac97_read,
1246	.write = ac97_write,
1247	.set_bias_level = wm9713_set_bias_level,
1248	.reg_cache_size = ARRAY_SIZE(wm9713_reg),
1249	.reg_word_size = sizeof(u16),
1250	.reg_cache_step = 2,
1251	.reg_cache_default = wm9713_reg,
1252	.dapm_widgets = wm9713_dapm_widgets,
1253	.num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1254	.dapm_routes = wm9713_audio_map,
1255	.num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1256};
1257
1258static __devinit int wm9713_probe(struct platform_device *pdev)
1259{
1260	return snd_soc_register_codec(&pdev->dev,
1261			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1262}
1263
1264static int __devexit wm9713_remove(struct platform_device *pdev)
1265{
1266	snd_soc_unregister_codec(&pdev->dev);
1267	return 0;
1268}
1269
1270static struct platform_driver wm9713_codec_driver = {
1271	.driver = {
1272			.name = "wm9713-codec",
1273			.owner = THIS_MODULE,
1274	},
1275
1276	.probe = wm9713_probe,
1277	.remove = __devexit_p(wm9713_remove),
1278};
1279
1280static int __init wm9713_init(void)
1281{
1282	return platform_driver_register(&wm9713_codec_driver);
1283}
1284module_init(wm9713_init);
1285
1286static void __exit wm9713_exit(void)
1287{
1288	platform_driver_unregister(&wm9713_codec_driver);
1289}
1290module_exit(wm9713_exit);
1291
1292MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1293MODULE_AUTHOR("Liam Girdwood");
1294MODULE_LICENSE("GPL");
1295