Version:  2.0.40 2.2.26 2.4.37 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 3.17 3.18 3.19 4.0

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         struct snd_ac97 *ac97;
 34         u32 pll_in; /* PLL input frequency */
 35         unsigned int hp_mixer[2];
 36         struct mutex lock;
 37 };
 38 
 39 static unsigned int ac97_read(struct snd_soc_codec *codec,
 40         unsigned int reg);
 41 static int ac97_write(struct snd_soc_codec *codec,
 42         unsigned int reg, unsigned int val);
 43 
 44 /*
 45  * WM9713 register cache
 46  * Reg 0x3c bit 15 is used by touch driver.
 47  */
 48 static const u16 wm9713_reg[] = {
 49         0x6174, 0x8080, 0x8080, 0x8080,
 50         0xc880, 0xe808, 0xe808, 0x0808,
 51         0x00da, 0x8000, 0xd600, 0xaaa0,
 52         0xaaa0, 0xaaa0, 0x0000, 0x0000,
 53         0x0f0f, 0x0040, 0x0000, 0x7f00,
 54         0x0405, 0x0410, 0xbb80, 0xbb80,
 55         0x0000, 0xbb80, 0x0000, 0x4523,
 56         0x0000, 0x2000, 0x7eff, 0xffff,
 57         0x0000, 0x0000, 0x0080, 0x0000,
 58         0x0000, 0x0000, 0xfffe, 0xffff,
 59         0x0000, 0x0000, 0x0000, 0xfffe,
 60         0x4000, 0x0000, 0x0000, 0x0000,
 61         0xb032, 0x3e00, 0x0000, 0x0000,
 62         0x0000, 0x0000, 0x0000, 0x0000,
 63         0x0000, 0x0000, 0x0000, 0x0006,
 64         0x0001, 0x0000, 0x574d, 0x4c13,
 65 };
 66 
 67 #define HPL_MIXER 0
 68 #define HPR_MIXER 1
 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_VIRT(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 = snd_soc_dapm_to_codec(w->dapm);
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 static const unsigned int wm9713_mixer_mute_regs[] = {
238         AC97_PC_BEEP,
239         AC97_MASTER_TONE,
240         AC97_PHONE,
241         AC97_REC_SEL,
242         AC97_PCM,
243         AC97_AUX,
244 };
245 
246 /* We have to create a fake left and right HP mixers because
247  * the codec only has a single control that is shared by both channels.
248  * This makes it impossible to determine the audio path using the current
249  * register map, thus we add a new (virtual) register to help determine the
250  * audio route within the device.
251  */
252 static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
253         struct snd_ctl_elem_value *ucontrol)
254 {
255         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
256         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
257         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
258         unsigned int val = ucontrol->value.integer.value[0];
259         struct soc_mixer_control *mc =
260                 (struct soc_mixer_control *)kcontrol->private_value;
261         unsigned int mixer, mask, shift, old;
262         struct snd_soc_dapm_update update;
263         bool change;
264 
265         mixer = mc->shift >> 8;
266         shift = mc->shift & 0xff;
267         mask = (1 << shift);
268 
269         mutex_lock(&wm9713->lock);
270         old = wm9713->hp_mixer[mixer];
271         if (ucontrol->value.integer.value[0])
272                 wm9713->hp_mixer[mixer] |= mask;
273         else
274                 wm9713->hp_mixer[mixer] &= ~mask;
275 
276         change = old != wm9713->hp_mixer[mixer];
277         if (change) {
278                 update.kcontrol = kcontrol;
279                 update.reg = wm9713_mixer_mute_regs[shift];
280                 update.mask = 0x8000;
281                 if ((wm9713->hp_mixer[0] & mask) ||
282                     (wm9713->hp_mixer[1] & mask))
283                         update.val = 0x0;
284                 else
285                         update.val = 0x8000;
286 
287                 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
288                         &update);
289         }
290 
291         mutex_unlock(&wm9713->lock);
292 
293         return change;
294 }
295 
296 static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol,
297         struct snd_ctl_elem_value *ucontrol)
298 {
299         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
300         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
301         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
302         struct soc_mixer_control *mc =
303                 (struct soc_mixer_control *)kcontrol->private_value;
304         unsigned int mixer, shift;
305 
306         mixer = mc->shift >> 8;
307         shift = mc->shift & 0xff;
308 
309         ucontrol->value.integer.value[0] =
310                 (wm9713->hp_mixer[mixer] >> shift) & 1;
311 
312         return 0;
313 }
314 
315 #define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \
316         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
317         .info = snd_soc_info_volsw, \
318         .get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \
319         .private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \
320                 xshift, xmixer, 1, 0, 0) \
321 }
322 
323 /* Left Headphone Mixers */
324 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
325 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5),
326 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4),
327 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3),
328 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2),
329 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1),
330 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0),
331 };
332 
333 /* Right Headphone Mixers */
334 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
335 WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5),
336 WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4),
337 WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3),
338 WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2),
339 WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1),
340 WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0),
341 };
342 
343 /* headphone capture mux */
344 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
345 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
346 
347 /* headphone mic mux */
348 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
349 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
350 
351 /* Speaker Mixer */
352 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
353 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
354 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
355 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
356 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
357 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
358 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
359 };
360 
361 /* Mono Mixer */
362 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
363 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
364 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
365 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
366 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
367 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
368 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
369 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
370 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
371 };
372 
373 /* mono mic mux */
374 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
375 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
376 
377 /* mono output mux */
378 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
379 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
380 
381 /* speaker left output mux */
382 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
383 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
384 
385 /* speaker right output mux */
386 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
387 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
388 
389 /* headphone left output mux */
390 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
391 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
392 
393 /* headphone right output mux */
394 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
395 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
396 
397 /* Out3 mux */
398 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
399 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
400 
401 /* Out4 mux */
402 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
403 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
404 
405 /* DAC inv mux 1 */
406 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
407 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
408 
409 /* DAC inv mux 2 */
410 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
411 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
412 
413 /* Capture source left */
414 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
415 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
416 
417 /* Capture source right */
418 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
419 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
420 
421 /* mic source */
422 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
423 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
424 
425 /* mic source B virtual control */
426 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
427 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
428 
429 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
430 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
431         &wm9713_hp_rec_mux_controls),
432 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
433         &wm9713_hp_mic_mux_controls),
434 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
435         &wm9713_mono_mic_mux_controls),
436 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
437         &wm9713_mono_mux_controls),
438 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
439         &wm9713_hp_spkl_mux_controls),
440 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
441         &wm9713_hp_spkr_mux_controls),
442 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
443         &wm9713_hpl_out_mux_controls),
444 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
445         &wm9713_hpr_out_mux_controls),
446 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
447         &wm9713_out3_mux_controls),
448 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
449         &wm9713_out4_mux_controls),
450 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
451         &wm9713_dac_inv1_mux_controls),
452 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
453         &wm9713_dac_inv2_mux_controls),
454 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
455         &wm9713_rec_srcl_mux_controls),
456 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
457         &wm9713_rec_srcr_mux_controls),
458 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
459         &wm9713_mic_sel_mux_controls),
460 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
461         &wm9713_micb_sel_mux_controls),
462 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
463         &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)),
464 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
465         &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)),
466 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
467         &wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
468 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
469         &wm9713_speaker_mixer_controls[0],
470         ARRAY_SIZE(wm9713_speaker_mixer_controls)),
471 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
472 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
473 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
474 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
475 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
476 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
477 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
478                    wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
479 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
480 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
481 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
482 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
483 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
484 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
485 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
486 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
487 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
488 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
489 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
490 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
491 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
492 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
493 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
494 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
495 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
496 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
497 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
498 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
499 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
500 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
501 SND_SOC_DAPM_OUTPUT("MONO"),
502 SND_SOC_DAPM_OUTPUT("HPL"),
503 SND_SOC_DAPM_OUTPUT("HPR"),
504 SND_SOC_DAPM_OUTPUT("SPKL"),
505 SND_SOC_DAPM_OUTPUT("SPKR"),
506 SND_SOC_DAPM_OUTPUT("OUT3"),
507 SND_SOC_DAPM_OUTPUT("OUT4"),
508 SND_SOC_DAPM_INPUT("LINEL"),
509 SND_SOC_DAPM_INPUT("LINER"),
510 SND_SOC_DAPM_INPUT("MONOIN"),
511 SND_SOC_DAPM_INPUT("PCBEEP"),
512 SND_SOC_DAPM_INPUT("MIC1"),
513 SND_SOC_DAPM_INPUT("MIC2A"),
514 SND_SOC_DAPM_INPUT("MIC2B"),
515 SND_SOC_DAPM_VMID("VMID"),
516 };
517 
518 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
519         /* left HP mixer */
520         {"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
521         {"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
522         {"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
523         {"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
524         {"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
525         {"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
526         {"Left HP Mixer", NULL,  "Capture Headphone Mux"},
527 
528         /* right HP mixer */
529         {"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
530         {"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
531         {"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
532         {"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
533         {"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
534         {"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
535         {"Right HP Mixer", NULL,  "Capture Headphone Mux"},
536 
537         /* virtual mixer - mixes left & right channels for spk and mono */
538         {"AC97 Mixer", NULL, "Left DAC"},
539         {"AC97 Mixer", NULL, "Right DAC"},
540         {"Line Mixer", NULL, "Right Line In"},
541         {"Line Mixer", NULL, "Left Line In"},
542         {"HP Mixer", NULL, "Left HP Mixer"},
543         {"HP Mixer", NULL, "Right HP Mixer"},
544         {"Capture Mixer", NULL, "Left Capture Source"},
545         {"Capture Mixer", NULL, "Right Capture Source"},
546 
547         /* speaker mixer */
548         {"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
549         {"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
550         {"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
551         {"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
552         {"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
553         {"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
554 
555         /* mono mixer */
556         {"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
557         {"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
558         {"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
559         {"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
560         {"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
561         {"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
562         {"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
563         {"Mono Mixer", NULL,  "Capture Mono Mux"},
564 
565         /* DAC inv mux 1 */
566         {"DAC Inv Mux 1", "Mono", "Mono Mixer"},
567         {"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
568         {"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
569         {"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
570         {"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
571 
572         /* DAC inv mux 2 */
573         {"DAC Inv Mux 2", "Mono", "Mono Mixer"},
574         {"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
575         {"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
576         {"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
577         {"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
578 
579         /* headphone left mux */
580         {"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
581 
582         /* headphone right mux */
583         {"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
584 
585         /* speaker left mux */
586         {"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
587         {"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
588         {"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
589 
590         /* speaker right mux */
591         {"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
592         {"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
593         {"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
594 
595         /* mono mux */
596         {"Mono Out Mux", "Mono", "Mono Mixer"},
597         {"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
598 
599         /* out 3 mux */
600         {"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
601 
602         /* out 4 mux */
603         {"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
604 
605         /* output pga */
606         {"HPL", NULL, "Left Headphone"},
607         {"Left Headphone", NULL, "Left Headphone Out Mux"},
608         {"HPR", NULL, "Right Headphone"},
609         {"Right Headphone", NULL, "Right Headphone Out Mux"},
610         {"OUT3", NULL, "Out 3"},
611         {"Out 3", NULL, "Out 3 Mux"},
612         {"OUT4", NULL, "Out 4"},
613         {"Out 4", NULL, "Out 4 Mux"},
614         {"SPKL", NULL, "Left Speaker"},
615         {"Left Speaker", NULL, "Left Speaker Out Mux"},
616         {"SPKR", NULL, "Right Speaker"},
617         {"Right Speaker", NULL, "Right Speaker Out Mux"},
618         {"MONO", NULL, "Mono Out"},
619         {"Mono Out", NULL, "Mono Out Mux"},
620 
621         /* input pga */
622         {"Left Line In", NULL, "LINEL"},
623         {"Right Line In", NULL, "LINER"},
624         {"Mono In", NULL, "MONOIN"},
625         {"Mic A PGA", NULL, "Mic A Pre Amp"},
626         {"Mic B PGA", NULL, "Mic B Pre Amp"},
627 
628         /* left capture select */
629         {"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
630         {"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
631         {"Left Capture Source", "Line", "LINEL"},
632         {"Left Capture Source", "Mono In", "MONOIN"},
633         {"Left Capture Source", "Headphone", "Left HP Mixer"},
634         {"Left Capture Source", "Speaker", "Speaker Mixer"},
635         {"Left Capture Source", "Mono Out", "Mono Mixer"},
636 
637         /* right capture select */
638         {"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
639         {"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
640         {"Right Capture Source", "Line", "LINER"},
641         {"Right Capture Source", "Mono In", "MONOIN"},
642         {"Right Capture Source", "Headphone", "Right HP Mixer"},
643         {"Right Capture Source", "Speaker", "Speaker Mixer"},
644         {"Right Capture Source", "Mono Out", "Mono Mixer"},
645 
646         /* left ADC */
647         {"Left ADC", NULL, "Left Capture Source"},
648         {"Left Voice ADC", NULL, "Left ADC"},
649         {"Left HiFi ADC", NULL, "Left ADC"},
650 
651         /* right ADC */
652         {"Right ADC", NULL, "Right Capture Source"},
653         {"Right Voice ADC", NULL, "Right ADC"},
654         {"Right HiFi ADC", NULL, "Right ADC"},
655 
656         /* mic */
657         {"Mic A Pre Amp", NULL, "Mic A Source"},
658         {"Mic A Source", "Mic 1", "MIC1"},
659         {"Mic A Source", "Mic 2 A", "MIC2A"},
660         {"Mic A Source", "Mic 2 B", "Mic B Source"},
661         {"Mic B Pre Amp", "MPB", "Mic B Source"},
662         {"Mic B Source", NULL, "MIC2B"},
663 
664         /* headphone capture */
665         {"Capture Headphone Mux", "Stereo", "Capture Mixer"},
666         {"Capture Headphone Mux", "Left", "Left Capture Source"},
667         {"Capture Headphone Mux", "Right", "Right Capture Source"},
668 
669         /* mono capture */
670         {"Capture Mono Mux", "Stereo", "Capture Mixer"},
671         {"Capture Mono Mux", "Left", "Left Capture Source"},
672         {"Capture Mono Mux", "Right", "Right Capture Source"},
673 };
674 
675 static unsigned int ac97_read(struct snd_soc_codec *codec,
676         unsigned int reg)
677 {
678         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
679         u16 *cache = codec->reg_cache;
680 
681         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
682                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
683                 reg == AC97_CD)
684                 return soc_ac97_ops->read(wm9713->ac97, reg);
685         else {
686                 reg = reg >> 1;
687 
688                 if (reg >= (ARRAY_SIZE(wm9713_reg)))
689                         return -EIO;
690 
691                 return cache[reg];
692         }
693 }
694 
695 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
696         unsigned int val)
697 {
698         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
699 
700         u16 *cache = codec->reg_cache;
701         soc_ac97_ops->write(wm9713->ac97, reg, val);
702         reg = reg >> 1;
703         if (reg < (ARRAY_SIZE(wm9713_reg)))
704                 cache[reg] = val;
705 
706         return 0;
707 }
708 
709 /* PLL divisors */
710 struct _pll_div {
711         u32 divsel:1;
712         u32 divctl:1;
713         u32 lf:1;
714         u32 n:4;
715         u32 k:24;
716 };
717 
718 /* The size in bits of the PLL divide multiplied by 10
719  * to allow rounding later */
720 #define FIXED_PLL_SIZE ((1 << 22) * 10)
721 
722 static void pll_factors(struct snd_soc_codec *codec,
723         struct _pll_div *pll_div, unsigned int source)
724 {
725         u64 Kpart;
726         unsigned int K, Ndiv, Nmod, target;
727 
728         /* The the PLL output is always 98.304MHz. */
729         target = 98304000;
730 
731         /* If the input frequency is over 14.4MHz then scale it down. */
732         if (source > 14400000) {
733                 source >>= 1;
734                 pll_div->divsel = 1;
735 
736                 if (source > 14400000) {
737                         source >>= 1;
738                         pll_div->divctl = 1;
739                 } else
740                         pll_div->divctl = 0;
741 
742         } else {
743                 pll_div->divsel = 0;
744                 pll_div->divctl = 0;
745         }
746 
747         /* Low frequency sources require an additional divide in the
748          * loop.
749          */
750         if (source < 8192000) {
751                 pll_div->lf = 1;
752                 target >>= 2;
753         } else
754                 pll_div->lf = 0;
755 
756         Ndiv = target / source;
757         if ((Ndiv < 5) || (Ndiv > 12))
758                 dev_warn(codec->dev,
759                         "WM9713 PLL N value %u out of recommended range!\n",
760                         Ndiv);
761 
762         pll_div->n = Ndiv;
763         Nmod = target % source;
764         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
765 
766         do_div(Kpart, source);
767 
768         K = Kpart & 0xFFFFFFFF;
769 
770         /* Check if we need to round */
771         if ((K % 10) >= 5)
772                 K += 5;
773 
774         /* Move down to proper range now rounding is done */
775         K /= 10;
776 
777         pll_div->k = K;
778 }
779 
780 /**
781  * Please note that changing the PLL input frequency may require
782  * resynchronisation with the AC97 controller.
783  */
784 static int wm9713_set_pll(struct snd_soc_codec *codec,
785         int pll_id, unsigned int freq_in, unsigned int freq_out)
786 {
787         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
788         u16 reg, reg2;
789         struct _pll_div pll_div;
790 
791         /* turn PLL off ? */
792         if (freq_in == 0) {
793                 /* disable PLL power and select ext source */
794                 reg = ac97_read(codec, AC97_HANDSET_RATE);
795                 ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
796                 reg = ac97_read(codec, AC97_EXTENDED_MID);
797                 ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
798                 wm9713->pll_in = 0;
799                 return 0;
800         }
801 
802         pll_factors(codec, &pll_div, freq_in);
803 
804         if (pll_div.k == 0) {
805                 reg = (pll_div.n << 12) | (pll_div.lf << 11) |
806                         (pll_div.divsel << 9) | (pll_div.divctl << 8);
807                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
808         } else {
809                 /* write the fractional k to the reg 0x46 pages */
810                 reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
811                         (pll_div.divsel << 9) | (pll_div.divctl << 8);
812 
813                 /* K [21:20] */
814                 reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
815                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
816 
817                 /* K [19:16] */
818                 reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
819                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
820 
821                 /* K [15:12] */
822                 reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
823                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
824 
825                 /* K [11:8] */
826                 reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
827                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
828 
829                 /* K [7:4] */
830                 reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
831                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
832 
833                 reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
834                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
835         }
836 
837         /* turn PLL on and select as source */
838         reg = ac97_read(codec, AC97_EXTENDED_MID);
839         ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
840         reg = ac97_read(codec, AC97_HANDSET_RATE);
841         ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
842         wm9713->pll_in = freq_in;
843 
844         /* wait 10ms AC97 link frames for the link to stabilise */
845         schedule_timeout_interruptible(msecs_to_jiffies(10));
846         return 0;
847 }
848 
849 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
850                 int source, unsigned int freq_in, unsigned int freq_out)
851 {
852         struct snd_soc_codec *codec = codec_dai->codec;
853         return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
854 }
855 
856 /*
857  * Tristate the PCM DAI lines, tristate can be disabled by calling
858  * wm9713_set_dai_fmt()
859  */
860 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
861         int tristate)
862 {
863         struct snd_soc_codec *codec = codec_dai->codec;
864         u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
865 
866         if (tristate)
867                 ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
868 
869         return 0;
870 }
871 
872 /*
873  * Configure WM9713 clock dividers.
874  * Voice DAC needs 256 FS
875  */
876 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
877                 int div_id, int div)
878 {
879         struct snd_soc_codec *codec = codec_dai->codec;
880         u16 reg;
881 
882         switch (div_id) {
883         case WM9713_PCMCLK_DIV:
884                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
885                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
886                 break;
887         case WM9713_CLKA_MULT:
888                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
889                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
890                 break;
891         case WM9713_CLKB_MULT:
892                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
893                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
894                 break;
895         case WM9713_HIFI_DIV:
896                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
897                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
898                 break;
899         case WM9713_PCMBCLK_DIV:
900                 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
901                 ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
902                 break;
903         case WM9713_PCMCLK_PLL_DIV:
904                 reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
905                 ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
906                 break;
907         case WM9713_HIFI_PLL_DIV:
908                 reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
909                 ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
910                 break;
911         default:
912                 return -EINVAL;
913         }
914 
915         return 0;
916 }
917 
918 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
919                 unsigned int fmt)
920 {
921         struct snd_soc_codec *codec = codec_dai->codec;
922         u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
923         u16 reg = 0x8000;
924 
925         /* clock masters */
926         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
927         case SND_SOC_DAIFMT_CBM_CFM:
928                 reg |= 0x4000;
929                 gpio |= 0x0010;
930                 break;
931         case SND_SOC_DAIFMT_CBM_CFS:
932                 reg |= 0x6000;
933                 gpio |= 0x0018;
934                 break;
935         case SND_SOC_DAIFMT_CBS_CFS:
936                 reg |= 0x2000;
937                 gpio |= 0x001a;
938                 break;
939         case SND_SOC_DAIFMT_CBS_CFM:
940                 gpio |= 0x0012;
941                 break;
942         }
943 
944         /* clock inversion */
945         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
946         case SND_SOC_DAIFMT_IB_IF:
947                 reg |= 0x00c0;
948                 break;
949         case SND_SOC_DAIFMT_IB_NF:
950                 reg |= 0x0080;
951                 break;
952         case SND_SOC_DAIFMT_NB_IF:
953                 reg |= 0x0040;
954                 break;
955         }
956 
957         /* DAI format */
958         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
959         case SND_SOC_DAIFMT_I2S:
960                 reg |= 0x0002;
961                 break;
962         case SND_SOC_DAIFMT_RIGHT_J:
963                 break;
964         case SND_SOC_DAIFMT_LEFT_J:
965                 reg |= 0x0001;
966                 break;
967         case SND_SOC_DAIFMT_DSP_A:
968                 reg |= 0x0003;
969                 break;
970         case SND_SOC_DAIFMT_DSP_B:
971                 reg |= 0x0043;
972                 break;
973         }
974 
975         ac97_write(codec, AC97_GPIO_CFG, gpio);
976         ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
977         return 0;
978 }
979 
980 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
981                                 struct snd_pcm_hw_params *params,
982                                 struct snd_soc_dai *dai)
983 {
984         struct snd_soc_codec *codec = dai->codec;
985         u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
986 
987         switch (params_width(params)) {
988         case 16:
989                 break;
990         case 20:
991                 reg |= 0x0004;
992                 break;
993         case 24:
994                 reg |= 0x0008;
995                 break;
996         case 32:
997                 reg |= 0x000c;
998                 break;
999         }
1000 
1001         /* enable PCM interface in master mode */
1002         ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
1003         return 0;
1004 }
1005 
1006 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
1007                              struct snd_soc_dai *dai)
1008 {
1009         struct snd_soc_codec *codec = dai->codec;
1010         struct snd_pcm_runtime *runtime = substream->runtime;
1011         int reg;
1012         u16 vra;
1013 
1014         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1015         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1016 
1017         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1018                 reg = AC97_PCM_FRONT_DAC_RATE;
1019         else
1020                 reg = AC97_PCM_LR_ADC_RATE;
1021 
1022         return ac97_write(codec, reg, runtime->rate);
1023 }
1024 
1025 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
1026                             struct snd_soc_dai *dai)
1027 {
1028         struct snd_soc_codec *codec = dai->codec;
1029         struct snd_pcm_runtime *runtime = substream->runtime;
1030         u16 vra, xsle;
1031 
1032         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1033         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1034         xsle = ac97_read(codec, AC97_PCI_SID);
1035         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1036 
1037         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1038                 return -ENODEV;
1039 
1040         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1041 }
1042 
1043 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |    \
1044                       SNDRV_PCM_RATE_11025 |    \
1045                       SNDRV_PCM_RATE_22050 |    \
1046                       SNDRV_PCM_RATE_44100 |    \
1047                       SNDRV_PCM_RATE_48000)
1048 
1049 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |        \
1050                           SNDRV_PCM_RATE_11025 |        \
1051                           SNDRV_PCM_RATE_16000 |        \
1052                           SNDRV_PCM_RATE_22050 |        \
1053                           SNDRV_PCM_RATE_44100 |        \
1054                           SNDRV_PCM_RATE_48000)
1055 
1056 #define WM9713_PCM_FORMATS \
1057         (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1058          SNDRV_PCM_FORMAT_S24_LE)
1059 
1060 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1061         .prepare        = ac97_hifi_prepare,
1062         .set_clkdiv     = wm9713_set_dai_clkdiv,
1063         .set_pll        = wm9713_set_dai_pll,
1064 };
1065 
1066 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1067         .prepare        = ac97_aux_prepare,
1068         .set_clkdiv     = wm9713_set_dai_clkdiv,
1069         .set_pll        = wm9713_set_dai_pll,
1070 };
1071 
1072 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1073         .hw_params      = wm9713_pcm_hw_params,
1074         .set_clkdiv     = wm9713_set_dai_clkdiv,
1075         .set_pll        = wm9713_set_dai_pll,
1076         .set_fmt        = wm9713_set_dai_fmt,
1077         .set_tristate   = wm9713_set_dai_tristate,
1078 };
1079 
1080 static struct snd_soc_dai_driver wm9713_dai[] = {
1081 {
1082         .name = "wm9713-hifi",
1083         .playback = {
1084                 .stream_name = "HiFi Playback",
1085                 .channels_min = 1,
1086                 .channels_max = 2,
1087                 .rates = WM9713_RATES,
1088                 .formats = SND_SOC_STD_AC97_FMTS,},
1089         .capture = {
1090                 .stream_name = "HiFi Capture",
1091                 .channels_min = 1,
1092                 .channels_max = 2,
1093                 .rates = WM9713_RATES,
1094                 .formats = SND_SOC_STD_AC97_FMTS,},
1095         .ops = &wm9713_dai_ops_hifi,
1096         },
1097         {
1098         .name = "wm9713-aux",
1099         .playback = {
1100                 .stream_name = "Aux Playback",
1101                 .channels_min = 1,
1102                 .channels_max = 1,
1103                 .rates = WM9713_RATES,
1104                 .formats = SND_SOC_STD_AC97_FMTS,},
1105         .ops = &wm9713_dai_ops_aux,
1106         },
1107         {
1108         .name = "wm9713-voice",
1109         .playback = {
1110                 .stream_name = "Voice Playback",
1111                 .channels_min = 1,
1112                 .channels_max = 1,
1113                 .rates = WM9713_PCM_RATES,
1114                 .formats = WM9713_PCM_FORMATS,},
1115         .capture = {
1116                 .stream_name = "Voice Capture",
1117                 .channels_min = 1,
1118                 .channels_max = 2,
1119                 .rates = WM9713_PCM_RATES,
1120                 .formats = WM9713_PCM_FORMATS,},
1121         .ops = &wm9713_dai_ops_voice,
1122         .symmetric_rates = 1,
1123         },
1124 };
1125 
1126 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1127 {
1128         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1129 
1130         if (try_warm && soc_ac97_ops->warm_reset) {
1131                 soc_ac97_ops->warm_reset(wm9713->ac97);
1132                 if (ac97_read(codec, 0) == wm9713_reg[0])
1133                         return 1;
1134         }
1135 
1136         soc_ac97_ops->reset(wm9713->ac97);
1137         if (soc_ac97_ops->warm_reset)
1138                 soc_ac97_ops->warm_reset(wm9713->ac97);
1139         if (ac97_read(codec, 0) != wm9713_reg[0]) {
1140                 dev_err(codec->dev, "Failed to reset: AC97 link error\n");
1141                 return -EIO;
1142         }
1143 
1144         return 0;
1145 }
1146 EXPORT_SYMBOL_GPL(wm9713_reset);
1147 
1148 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1149                                  enum snd_soc_bias_level level)
1150 {
1151         u16 reg;
1152 
1153         switch (level) {
1154         case SND_SOC_BIAS_ON:
1155                 /* enable thermal shutdown */
1156                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1157                 ac97_write(codec, AC97_EXTENDED_MID, reg);
1158                 break;
1159         case SND_SOC_BIAS_PREPARE:
1160                 break;
1161         case SND_SOC_BIAS_STANDBY:
1162                 /* enable master bias and vmid */
1163                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1164                 ac97_write(codec, AC97_EXTENDED_MID, reg);
1165                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
1166                 break;
1167         case SND_SOC_BIAS_OFF:
1168                 /* disable everything including AC link */
1169                 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1170                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1171                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
1172                 break;
1173         }
1174         codec->dapm.bias_level = level;
1175         return 0;
1176 }
1177 
1178 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1179 {
1180         u16 reg;
1181 
1182         /* Disable everything except touchpanel - that will be handled
1183          * by the touch driver and left disabled if touch is not in
1184          * use. */
1185         reg = ac97_read(codec, AC97_EXTENDED_MID);
1186         ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1187         ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1188         ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1189         ac97_write(codec, AC97_POWERDOWN, 0xffff);
1190 
1191         return 0;
1192 }
1193 
1194 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1195 {
1196         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1197         int i, ret;
1198         u16 *cache = codec->reg_cache;
1199 
1200         ret = wm9713_reset(codec, 1);
1201         if (ret < 0)
1202                 return ret;
1203 
1204         wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1205 
1206         /* do we need to re-start the PLL ? */
1207         if (wm9713->pll_in)
1208                 wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1209 
1210         /* only synchronise the codec if warm reset failed */
1211         if (ret == 0) {
1212                 for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1213                         if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1214                                 i == AC97_EXTENDED_MSTATUS || i > 0x66)
1215                                 continue;
1216                         soc_ac97_ops->write(wm9713->ac97, i, cache[i>>1]);
1217                 }
1218         }
1219 
1220         return ret;
1221 }
1222 
1223 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1224 {
1225         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1226         int ret = 0, reg;
1227 
1228         wm9713->ac97 = snd_soc_alloc_ac97_codec(codec);
1229         if (IS_ERR(wm9713->ac97))
1230                 return PTR_ERR(wm9713->ac97);
1231 
1232         /* do a cold reset for the controller and then try
1233          * a warm reset followed by an optional cold reset for codec */
1234         wm9713_reset(codec, 0);
1235         ret = wm9713_reset(codec, 1);
1236         if (ret < 0)
1237                 goto err_put_device;
1238 
1239         ret = device_add(&wm9713->ac97->dev);
1240         if (ret)
1241                 goto err_put_device;
1242 
1243         /* unmute the adc - move to kcontrol */
1244         reg = ac97_read(codec, AC97_CD) & 0x7fff;
1245         ac97_write(codec, AC97_CD, reg);
1246 
1247         return 0;
1248 
1249 err_put_device:
1250         put_device(&wm9713->ac97->dev);
1251         return ret;
1252 }
1253 
1254 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1255 {
1256         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1257 
1258         snd_soc_free_ac97_codec(wm9713->ac97);
1259         return 0;
1260 }
1261 
1262 static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1263         .probe =        wm9713_soc_probe,
1264         .remove =       wm9713_soc_remove,
1265         .suspend =      wm9713_soc_suspend,
1266         .resume =       wm9713_soc_resume,
1267         .read = ac97_read,
1268         .write = ac97_write,
1269         .set_bias_level = wm9713_set_bias_level,
1270         .reg_cache_size = ARRAY_SIZE(wm9713_reg),
1271         .reg_word_size = sizeof(u16),
1272         .reg_cache_step = 2,
1273         .reg_cache_default = wm9713_reg,
1274 
1275         .controls = wm9713_snd_ac97_controls,
1276         .num_controls = ARRAY_SIZE(wm9713_snd_ac97_controls),
1277         .dapm_widgets = wm9713_dapm_widgets,
1278         .num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1279         .dapm_routes = wm9713_audio_map,
1280         .num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1281 };
1282 
1283 static int wm9713_probe(struct platform_device *pdev)
1284 {
1285         struct wm9713_priv *wm9713;
1286 
1287         wm9713 = devm_kzalloc(&pdev->dev, sizeof(*wm9713), GFP_KERNEL);
1288         if (wm9713 == NULL)
1289                 return -ENOMEM;
1290 
1291         mutex_init(&wm9713->lock);
1292 
1293         platform_set_drvdata(pdev, wm9713);
1294 
1295         return snd_soc_register_codec(&pdev->dev,
1296                         &soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1297 }
1298 
1299 static int wm9713_remove(struct platform_device *pdev)
1300 {
1301         snd_soc_unregister_codec(&pdev->dev);
1302         return 0;
1303 }
1304 
1305 static struct platform_driver wm9713_codec_driver = {
1306         .driver = {
1307                         .name = "wm9713-codec",
1308         },
1309 
1310         .probe = wm9713_probe,
1311         .remove = wm9713_remove,
1312 };
1313 
1314 module_platform_driver(wm9713_codec_driver);
1315 
1316 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1317 MODULE_AUTHOR("Liam Girdwood");
1318 MODULE_LICENSE("GPL");
1319 

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