Version:  2.0.40 2.2.26 2.4.37 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16

Linux/sound/soc/codecs/wm9713.c

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

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