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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         "Mono Vmid", "Inv Vmid"};
 79 static const char *wm9713_spk_pga[] =
 80         {"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
 81         "Speaker Vmid", "Inv Vmid"};
 82 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
 83         "Headphone Vmid"};
 84 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
 85 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
 86 static const char *wm9713_dac_inv[] =
 87         {"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
 88         "Headphone Mono", "NC", "Vmid"};
 89 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
 90 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
 91 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
 92 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
 93 
 94 static const struct soc_enum wm9713_enum[] = {
 95 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
 96 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
 97 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
 98 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
 99 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
100 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
101 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
102 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
103 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
104 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
105 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
106 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
107 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
108 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
109 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
110 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
111 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
112 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
113 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
114 SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
115 };
116 
117 static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
118 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
119 static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
120 static unsigned int mic_tlv[] = {
121         TLV_DB_RANGE_HEAD(2),
122         0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
123         3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
124 };
125 
126 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
127 SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
128 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
129 SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
130                out_tlv),
131 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
132 SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
133 SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
134 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
135 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
136 SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
137 SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
138 
139 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
140 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
141 
142 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
143 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
144 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
145 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
146 
147 SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
148 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
149 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
150 
151 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
152 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
153 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
154 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
155 SOC_ENUM("ALC Function", wm9713_enum[6]),
156 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
157 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
158 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
159 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
160 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
161 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
162 
163 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
164 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
165 
166 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
167 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
168 SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
169 
170 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
171 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
172 SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
173 
174 SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
175 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
176 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
177 SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
178 
179 SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
180                misc_tlv),
181 SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
182                misc_tlv),
183 SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
184 
185 SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
186                misc_tlv),
187 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
188 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
189 
190 SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
191                misc_tlv),
192 
193 SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
194                misc_tlv),
195 SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
196                misc_tlv),
197 
198 SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
199                misc_tlv),
200 SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
201                misc_tlv),
202 
203 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
204 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
205 
206 SOC_ENUM("Bass Control", wm9713_enum[16]),
207 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
208 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
209 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
210 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
211 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
212 
213 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
214 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
215 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
216 };
217 
218 static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
219                                  struct snd_kcontrol *kcontrol, int event)
220 {
221         struct snd_soc_codec *codec = w->codec;
222         u16 status, rate;
223 
224         if (WARN_ON(event != SND_SOC_DAPM_PRE_PMD))
225                 return -EINVAL;
226 
227         /* Gracefully shut down the voice interface. */
228         status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
229         rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
230         ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
231         schedule_timeout_interruptible(msecs_to_jiffies(1));
232         ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
233         ac97_write(codec, AC97_EXTENDED_MID, status);
234 
235         return 0;
236 }
237 
238 
239 /* We have to create a fake left and right HP mixers because
240  * the codec only has a single control that is shared by both channels.
241  * This makes it impossible to determine the audio path using the current
242  * register map, thus we add a new (virtual) register to help determine the
243  * audio route within the device.
244  */
245 static int mixer_event(struct snd_soc_dapm_widget *w,
246         struct snd_kcontrol *kcontrol, int event)
247 {
248         u16 l, r, beep, tone, phone, rec, pcm, aux;
249 
250         l = ac97_read(w->codec, HPL_MIXER);
251         r = ac97_read(w->codec, HPR_MIXER);
252         beep = ac97_read(w->codec, AC97_PC_BEEP);
253         tone = ac97_read(w->codec, AC97_MASTER_TONE);
254         phone = ac97_read(w->codec, AC97_PHONE);
255         rec = ac97_read(w->codec, AC97_REC_SEL);
256         pcm = ac97_read(w->codec, AC97_PCM);
257         aux = ac97_read(w->codec, AC97_AUX);
258 
259         if (event & SND_SOC_DAPM_PRE_REG)
260                 return 0;
261         if ((l & 0x1) || (r & 0x1))
262                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
263         else
264                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
265 
266         if ((l & 0x2) || (r & 0x2))
267                 ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
268         else
269                 ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
270 
271         if ((l & 0x4) || (r & 0x4))
272                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
273         else
274                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
275 
276         if ((l & 0x8) || (r & 0x8))
277                 ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
278         else
279                 ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
280 
281         if ((l & 0x10) || (r & 0x10))
282                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
283         else
284                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
285 
286         if ((l & 0x20) || (r & 0x20))
287                 ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
288         else
289                 ac97_write(w->codec, AC97_AUX, aux | 0x8000);
290 
291         return 0;
292 }
293 
294 /* Left Headphone Mixers */
295 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
296 SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
297 SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
298 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
299 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
300 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
301 SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
302 };
303 
304 /* Right Headphone Mixers */
305 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
306 SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
307 SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
308 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
309 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
310 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
311 SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
312 };
313 
314 /* headphone capture mux */
315 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
316 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
317 
318 /* headphone mic mux */
319 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
320 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
321 
322 /* Speaker Mixer */
323 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
324 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
325 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
326 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
327 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
328 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
329 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
330 };
331 
332 /* Mono Mixer */
333 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
334 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
335 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
336 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
337 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
338 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
339 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
340 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
341 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
342 };
343 
344 /* mono mic mux */
345 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
346 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
347 
348 /* mono output mux */
349 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
350 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
351 
352 /* speaker left output mux */
353 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
354 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
355 
356 /* speaker right output mux */
357 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
358 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
359 
360 /* headphone left output mux */
361 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
362 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
363 
364 /* headphone right output mux */
365 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
366 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
367 
368 /* Out3 mux */
369 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
370 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
371 
372 /* Out4 mux */
373 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
374 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
375 
376 /* DAC inv mux 1 */
377 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
378 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
379 
380 /* DAC inv mux 2 */
381 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
382 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
383 
384 /* Capture source left */
385 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
386 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
387 
388 /* Capture source right */
389 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
390 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
391 
392 /* mic source */
393 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
394 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
395 
396 /* mic source B virtual control */
397 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
398 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
399 
400 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
401 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
402         &wm9713_hp_rec_mux_controls),
403 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
404         &wm9713_hp_mic_mux_controls),
405 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
406         &wm9713_mono_mic_mux_controls),
407 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
408         &wm9713_mono_mux_controls),
409 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
410         &wm9713_hp_spkl_mux_controls),
411 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
412         &wm9713_hp_spkr_mux_controls),
413 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
414         &wm9713_hpl_out_mux_controls),
415 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
416         &wm9713_hpr_out_mux_controls),
417 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
418         &wm9713_out3_mux_controls),
419 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
420         &wm9713_out4_mux_controls),
421 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
422         &wm9713_dac_inv1_mux_controls),
423 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
424         &wm9713_dac_inv2_mux_controls),
425 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
426         &wm9713_rec_srcl_mux_controls),
427 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
428         &wm9713_rec_srcr_mux_controls),
429 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
430         &wm9713_mic_sel_mux_controls),
431 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
432         &wm9713_micb_sel_mux_controls),
433 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
434         &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
435         mixer_event, SND_SOC_DAPM_POST_REG),
436 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
437         &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
438         mixer_event, SND_SOC_DAPM_POST_REG),
439 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
440         &wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
441 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
442         &wm9713_speaker_mixer_controls[0],
443         ARRAY_SIZE(wm9713_speaker_mixer_controls)),
444 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
445 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
446 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
447 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
448 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
449 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
450 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
451                    wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
452 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
453 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
454 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
455 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
456 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
457 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
458 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
459 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
460 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
461 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
462 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
463 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
464 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
465 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
466 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
467 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
468 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
469 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
470 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
471 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
472 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
473 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
474 SND_SOC_DAPM_OUTPUT("MONO"),
475 SND_SOC_DAPM_OUTPUT("HPL"),
476 SND_SOC_DAPM_OUTPUT("HPR"),
477 SND_SOC_DAPM_OUTPUT("SPKL"),
478 SND_SOC_DAPM_OUTPUT("SPKR"),
479 SND_SOC_DAPM_OUTPUT("OUT3"),
480 SND_SOC_DAPM_OUTPUT("OUT4"),
481 SND_SOC_DAPM_INPUT("LINEL"),
482 SND_SOC_DAPM_INPUT("LINER"),
483 SND_SOC_DAPM_INPUT("MONOIN"),
484 SND_SOC_DAPM_INPUT("PCBEEP"),
485 SND_SOC_DAPM_INPUT("MIC1"),
486 SND_SOC_DAPM_INPUT("MIC2A"),
487 SND_SOC_DAPM_INPUT("MIC2B"),
488 SND_SOC_DAPM_VMID("VMID"),
489 };
490 
491 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
492         /* left HP mixer */
493         {"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
494         {"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
495         {"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
496         {"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
497         {"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
498         {"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
499         {"Left HP Mixer", NULL,  "Capture Headphone Mux"},
500 
501         /* right HP mixer */
502         {"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
503         {"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
504         {"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
505         {"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
506         {"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
507         {"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
508         {"Right HP Mixer", NULL,  "Capture Headphone Mux"},
509 
510         /* virtual mixer - mixes left & right channels for spk and mono */
511         {"AC97 Mixer", NULL, "Left DAC"},
512         {"AC97 Mixer", NULL, "Right DAC"},
513         {"Line Mixer", NULL, "Right Line In"},
514         {"Line Mixer", NULL, "Left Line In"},
515         {"HP Mixer", NULL, "Left HP Mixer"},
516         {"HP Mixer", NULL, "Right HP Mixer"},
517         {"Capture Mixer", NULL, "Left Capture Source"},
518         {"Capture Mixer", NULL, "Right Capture Source"},
519 
520         /* speaker mixer */
521         {"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
522         {"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
523         {"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
524         {"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
525         {"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
526         {"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
527 
528         /* mono mixer */
529         {"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
530         {"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
531         {"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
532         {"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
533         {"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
534         {"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
535         {"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
536         {"Mono Mixer", NULL,  "Capture Mono Mux"},
537 
538         /* DAC inv mux 1 */
539         {"DAC Inv Mux 1", "Mono", "Mono Mixer"},
540         {"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
541         {"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
542         {"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
543         {"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
544 
545         /* DAC inv mux 2 */
546         {"DAC Inv Mux 2", "Mono", "Mono Mixer"},
547         {"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
548         {"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
549         {"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
550         {"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
551 
552         /* headphone left mux */
553         {"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
554 
555         /* headphone right mux */
556         {"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
557 
558         /* speaker left mux */
559         {"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
560         {"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
561         {"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
562 
563         /* speaker right mux */
564         {"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
565         {"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
566         {"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
567 
568         /* mono mux */
569         {"Mono Out Mux", "Mono", "Mono Mixer"},
570         {"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
571 
572         /* out 3 mux */
573         {"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
574 
575         /* out 4 mux */
576         {"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
577 
578         /* output pga */
579         {"HPL", NULL, "Left Headphone"},
580         {"Left Headphone", NULL, "Left Headphone Out Mux"},
581         {"HPR", NULL, "Right Headphone"},
582         {"Right Headphone", NULL, "Right Headphone Out Mux"},
583         {"OUT3", NULL, "Out 3"},
584         {"Out 3", NULL, "Out 3 Mux"},
585         {"OUT4", NULL, "Out 4"},
586         {"Out 4", NULL, "Out 4 Mux"},
587         {"SPKL", NULL, "Left Speaker"},
588         {"Left Speaker", NULL, "Left Speaker Out Mux"},
589         {"SPKR", NULL, "Right Speaker"},
590         {"Right Speaker", NULL, "Right Speaker Out Mux"},
591         {"MONO", NULL, "Mono Out"},
592         {"Mono Out", NULL, "Mono Out Mux"},
593 
594         /* input pga */
595         {"Left Line In", NULL, "LINEL"},
596         {"Right Line In", NULL, "LINER"},
597         {"Mono In", NULL, "MONOIN"},
598         {"Mic A PGA", NULL, "Mic A Pre Amp"},
599         {"Mic B PGA", NULL, "Mic B Pre Amp"},
600 
601         /* left capture select */
602         {"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
603         {"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
604         {"Left Capture Source", "Line", "LINEL"},
605         {"Left Capture Source", "Mono In", "MONOIN"},
606         {"Left Capture Source", "Headphone", "Left HP Mixer"},
607         {"Left Capture Source", "Speaker", "Speaker Mixer"},
608         {"Left Capture Source", "Mono Out", "Mono Mixer"},
609 
610         /* right capture select */
611         {"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
612         {"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
613         {"Right Capture Source", "Line", "LINER"},
614         {"Right Capture Source", "Mono In", "MONOIN"},
615         {"Right Capture Source", "Headphone", "Right HP Mixer"},
616         {"Right Capture Source", "Speaker", "Speaker Mixer"},
617         {"Right Capture Source", "Mono Out", "Mono Mixer"},
618 
619         /* left ADC */
620         {"Left ADC", NULL, "Left Capture Source"},
621         {"Left Voice ADC", NULL, "Left ADC"},
622         {"Left HiFi ADC", NULL, "Left ADC"},
623 
624         /* right ADC */
625         {"Right ADC", NULL, "Right Capture Source"},
626         {"Right Voice ADC", NULL, "Right ADC"},
627         {"Right HiFi ADC", NULL, "Right ADC"},
628 
629         /* mic */
630         {"Mic A Pre Amp", NULL, "Mic A Source"},
631         {"Mic A Source", "Mic 1", "MIC1"},
632         {"Mic A Source", "Mic 2 A", "MIC2A"},
633         {"Mic A Source", "Mic 2 B", "Mic B Source"},
634         {"Mic B Pre Amp", "MPB", "Mic B Source"},
635         {"Mic B Source", NULL, "MIC2B"},
636 
637         /* headphone capture */
638         {"Capture Headphone Mux", "Stereo", "Capture Mixer"},
639         {"Capture Headphone Mux", "Left", "Left Capture Source"},
640         {"Capture Headphone Mux", "Right", "Right Capture Source"},
641 
642         /* mono capture */
643         {"Capture Mono Mux", "Stereo", "Capture Mixer"},
644         {"Capture Mono Mux", "Left", "Left Capture Source"},
645         {"Capture Mono Mux", "Right", "Right Capture Source"},
646 };
647 
648 static unsigned int ac97_read(struct snd_soc_codec *codec,
649         unsigned int reg)
650 {
651         u16 *cache = codec->reg_cache;
652 
653         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
654                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
655                 reg == AC97_CD)
656                 return soc_ac97_ops->read(codec->ac97, reg);
657         else {
658                 reg = reg >> 1;
659 
660                 if (reg >= (ARRAY_SIZE(wm9713_reg)))
661                         return -EIO;
662 
663                 return cache[reg];
664         }
665 }
666 
667 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
668         unsigned int val)
669 {
670         u16 *cache = codec->reg_cache;
671         if (reg < 0x7c)
672                 soc_ac97_ops->write(codec->ac97, reg, val);
673         reg = reg >> 1;
674         if (reg < (ARRAY_SIZE(wm9713_reg)))
675                 cache[reg] = val;
676 
677         return 0;
678 }
679 
680 /* PLL divisors */
681 struct _pll_div {
682         u32 divsel:1;
683         u32 divctl:1;
684         u32 lf:1;
685         u32 n:4;
686         u32 k:24;
687 };
688 
689 /* The size in bits of the PLL divide multiplied by 10
690  * to allow rounding later */
691 #define FIXED_PLL_SIZE ((1 << 22) * 10)
692 
693 static void pll_factors(struct _pll_div *pll_div, unsigned int source)
694 {
695         u64 Kpart;
696         unsigned int K, Ndiv, Nmod, target;
697 
698         /* The the PLL output is always 98.304MHz. */
699         target = 98304000;
700 
701         /* If the input frequency is over 14.4MHz then scale it down. */
702         if (source > 14400000) {
703                 source >>= 1;
704                 pll_div->divsel = 1;
705 
706                 if (source > 14400000) {
707                         source >>= 1;
708                         pll_div->divctl = 1;
709                 } else
710                         pll_div->divctl = 0;
711 
712         } else {
713                 pll_div->divsel = 0;
714                 pll_div->divctl = 0;
715         }
716 
717         /* Low frequency sources require an additional divide in the
718          * loop.
719          */
720         if (source < 8192000) {
721                 pll_div->lf = 1;
722                 target >>= 2;
723         } else
724                 pll_div->lf = 0;
725 
726         Ndiv = target / source;
727         if ((Ndiv < 5) || (Ndiv > 12))
728                 printk(KERN_WARNING
729                         "WM9713 PLL N value %u out of recommended range!\n",
730                         Ndiv);
731 
732         pll_div->n = Ndiv;
733         Nmod = target % source;
734         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
735 
736         do_div(Kpart, source);
737 
738         K = Kpart & 0xFFFFFFFF;
739 
740         /* Check if we need to round */
741         if ((K % 10) >= 5)
742                 K += 5;
743 
744         /* Move down to proper range now rounding is done */
745         K /= 10;
746 
747         pll_div->k = K;
748 }
749 
750 /**
751  * Please note that changing the PLL input frequency may require
752  * resynchronisation with the AC97 controller.
753  */
754 static int wm9713_set_pll(struct snd_soc_codec *codec,
755         int pll_id, unsigned int freq_in, unsigned int freq_out)
756 {
757         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
758         u16 reg, reg2;
759         struct _pll_div pll_div;
760 
761         /* turn PLL off ? */
762         if (freq_in == 0) {
763                 /* disable PLL power and select ext source */
764                 reg = ac97_read(codec, AC97_HANDSET_RATE);
765                 ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
766                 reg = ac97_read(codec, AC97_EXTENDED_MID);
767                 ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
768                 wm9713->pll_in = 0;
769                 return 0;
770         }
771 
772         pll_factors(&pll_div, freq_in);
773 
774         if (pll_div.k == 0) {
775                 reg = (pll_div.n << 12) | (pll_div.lf << 11) |
776                         (pll_div.divsel << 9) | (pll_div.divctl << 8);
777                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
778         } else {
779                 /* write the fractional k to the reg 0x46 pages */
780                 reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
781                         (pll_div.divsel << 9) | (pll_div.divctl << 8);
782 
783                 /* K [21:20] */
784                 reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
785                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
786 
787                 /* K [19:16] */
788                 reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
789                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
790 
791                 /* K [15:12] */
792                 reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
793                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
794 
795                 /* K [11:8] */
796                 reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
797                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
798 
799                 /* K [7:4] */
800                 reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
801                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
802 
803                 reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
804                 ac97_write(codec, AC97_LINE1_LEVEL, reg);
805         }
806 
807         /* turn PLL on and select as source */
808         reg = ac97_read(codec, AC97_EXTENDED_MID);
809         ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
810         reg = ac97_read(codec, AC97_HANDSET_RATE);
811         ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
812         wm9713->pll_in = freq_in;
813 
814         /* wait 10ms AC97 link frames for the link to stabilise */
815         schedule_timeout_interruptible(msecs_to_jiffies(10));
816         return 0;
817 }
818 
819 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
820                 int source, unsigned int freq_in, unsigned int freq_out)
821 {
822         struct snd_soc_codec *codec = codec_dai->codec;
823         return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
824 }
825 
826 /*
827  * Tristate the PCM DAI lines, tristate can be disabled by calling
828  * wm9713_set_dai_fmt()
829  */
830 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
831         int tristate)
832 {
833         struct snd_soc_codec *codec = codec_dai->codec;
834         u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
835 
836         if (tristate)
837                 ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
838 
839         return 0;
840 }
841 
842 /*
843  * Configure WM9713 clock dividers.
844  * Voice DAC needs 256 FS
845  */
846 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
847                 int div_id, int div)
848 {
849         struct snd_soc_codec *codec = codec_dai->codec;
850         u16 reg;
851 
852         switch (div_id) {
853         case WM9713_PCMCLK_DIV:
854                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
855                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
856                 break;
857         case WM9713_CLKA_MULT:
858                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
859                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
860                 break;
861         case WM9713_CLKB_MULT:
862                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
863                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
864                 break;
865         case WM9713_HIFI_DIV:
866                 reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
867                 ac97_write(codec, AC97_HANDSET_RATE, reg | div);
868                 break;
869         case WM9713_PCMBCLK_DIV:
870                 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
871                 ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
872                 break;
873         case WM9713_PCMCLK_PLL_DIV:
874                 reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
875                 ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
876                 break;
877         case WM9713_HIFI_PLL_DIV:
878                 reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
879                 ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
880                 break;
881         default:
882                 return -EINVAL;
883         }
884 
885         return 0;
886 }
887 
888 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
889                 unsigned int fmt)
890 {
891         struct snd_soc_codec *codec = codec_dai->codec;
892         u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
893         u16 reg = 0x8000;
894 
895         /* clock masters */
896         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
897         case SND_SOC_DAIFMT_CBM_CFM:
898                 reg |= 0x4000;
899                 gpio |= 0x0010;
900                 break;
901         case SND_SOC_DAIFMT_CBM_CFS:
902                 reg |= 0x6000;
903                 gpio |= 0x0018;
904                 break;
905         case SND_SOC_DAIFMT_CBS_CFS:
906                 reg |= 0x2000;
907                 gpio |= 0x001a;
908                 break;
909         case SND_SOC_DAIFMT_CBS_CFM:
910                 gpio |= 0x0012;
911                 break;
912         }
913 
914         /* clock inversion */
915         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
916         case SND_SOC_DAIFMT_IB_IF:
917                 reg |= 0x00c0;
918                 break;
919         case SND_SOC_DAIFMT_IB_NF:
920                 reg |= 0x0080;
921                 break;
922         case SND_SOC_DAIFMT_NB_IF:
923                 reg |= 0x0040;
924                 break;
925         }
926 
927         /* DAI format */
928         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
929         case SND_SOC_DAIFMT_I2S:
930                 reg |= 0x0002;
931                 break;
932         case SND_SOC_DAIFMT_RIGHT_J:
933                 break;
934         case SND_SOC_DAIFMT_LEFT_J:
935                 reg |= 0x0001;
936                 break;
937         case SND_SOC_DAIFMT_DSP_A:
938                 reg |= 0x0003;
939                 break;
940         case SND_SOC_DAIFMT_DSP_B:
941                 reg |= 0x0043;
942                 break;
943         }
944 
945         ac97_write(codec, AC97_GPIO_CFG, gpio);
946         ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
947         return 0;
948 }
949 
950 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
951                                 struct snd_pcm_hw_params *params,
952                                 struct snd_soc_dai *dai)
953 {
954         struct snd_soc_codec *codec = dai->codec;
955         u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
956 
957         switch (params_format(params)) {
958         case SNDRV_PCM_FORMAT_S16_LE:
959                 break;
960         case SNDRV_PCM_FORMAT_S20_3LE:
961                 reg |= 0x0004;
962                 break;
963         case SNDRV_PCM_FORMAT_S24_LE:
964                 reg |= 0x0008;
965                 break;
966         case SNDRV_PCM_FORMAT_S32_LE:
967                 reg |= 0x000c;
968                 break;
969         }
970 
971         /* enable PCM interface in master mode */
972         ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
973         return 0;
974 }
975 
976 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
977                              struct snd_soc_dai *dai)
978 {
979         struct snd_soc_codec *codec = dai->codec;
980         struct snd_pcm_runtime *runtime = substream->runtime;
981         int reg;
982         u16 vra;
983 
984         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
985         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
986 
987         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
988                 reg = AC97_PCM_FRONT_DAC_RATE;
989         else
990                 reg = AC97_PCM_LR_ADC_RATE;
991 
992         return ac97_write(codec, reg, runtime->rate);
993 }
994 
995 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
996                             struct snd_soc_dai *dai)
997 {
998         struct snd_soc_codec *codec = dai->codec;
999         struct snd_pcm_runtime *runtime = substream->runtime;
1000         u16 vra, xsle;
1001 
1002         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1003         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1004         xsle = ac97_read(codec, AC97_PCI_SID);
1005         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1006 
1007         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1008                 return -ENODEV;
1009 
1010         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1011 }
1012 
1013 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |    \
1014                       SNDRV_PCM_RATE_11025 |    \
1015                       SNDRV_PCM_RATE_22050 |    \
1016                       SNDRV_PCM_RATE_44100 |    \
1017                       SNDRV_PCM_RATE_48000)
1018 
1019 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |        \
1020                           SNDRV_PCM_RATE_11025 |        \
1021                           SNDRV_PCM_RATE_16000 |        \
1022                           SNDRV_PCM_RATE_22050 |        \
1023                           SNDRV_PCM_RATE_44100 |        \
1024                           SNDRV_PCM_RATE_48000)
1025 
1026 #define WM9713_PCM_FORMATS \
1027         (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1028          SNDRV_PCM_FORMAT_S24_LE)
1029 
1030 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1031         .prepare        = ac97_hifi_prepare,
1032         .set_clkdiv     = wm9713_set_dai_clkdiv,
1033         .set_pll        = wm9713_set_dai_pll,
1034 };
1035 
1036 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1037         .prepare        = ac97_aux_prepare,
1038         .set_clkdiv     = wm9713_set_dai_clkdiv,
1039         .set_pll        = wm9713_set_dai_pll,
1040 };
1041 
1042 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1043         .hw_params      = wm9713_pcm_hw_params,
1044         .set_clkdiv     = wm9713_set_dai_clkdiv,
1045         .set_pll        = wm9713_set_dai_pll,
1046         .set_fmt        = wm9713_set_dai_fmt,
1047         .set_tristate   = wm9713_set_dai_tristate,
1048 };
1049 
1050 static struct snd_soc_dai_driver wm9713_dai[] = {
1051 {
1052         .name = "wm9713-hifi",
1053         .ac97_control = 1,
1054         .playback = {
1055                 .stream_name = "HiFi Playback",
1056                 .channels_min = 1,
1057                 .channels_max = 2,
1058                 .rates = WM9713_RATES,
1059                 .formats = SND_SOC_STD_AC97_FMTS,},
1060         .capture = {
1061                 .stream_name = "HiFi Capture",
1062                 .channels_min = 1,
1063                 .channels_max = 2,
1064                 .rates = WM9713_RATES,
1065                 .formats = SND_SOC_STD_AC97_FMTS,},
1066         .ops = &wm9713_dai_ops_hifi,
1067         },
1068         {
1069         .name = "wm9713-aux",
1070         .playback = {
1071                 .stream_name = "Aux Playback",
1072                 .channels_min = 1,
1073                 .channels_max = 1,
1074                 .rates = WM9713_RATES,
1075                 .formats = SND_SOC_STD_AC97_FMTS,},
1076         .ops = &wm9713_dai_ops_aux,
1077         },
1078         {
1079         .name = "wm9713-voice",
1080         .playback = {
1081                 .stream_name = "Voice Playback",
1082                 .channels_min = 1,
1083                 .channels_max = 1,
1084                 .rates = WM9713_PCM_RATES,
1085                 .formats = WM9713_PCM_FORMATS,},
1086         .capture = {
1087                 .stream_name = "Voice Capture",
1088                 .channels_min = 1,
1089                 .channels_max = 2,
1090                 .rates = WM9713_PCM_RATES,
1091                 .formats = WM9713_PCM_FORMATS,},
1092         .ops = &wm9713_dai_ops_voice,
1093         .symmetric_rates = 1,
1094         },
1095 };
1096 
1097 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1098 {
1099         if (try_warm && soc_ac97_ops->warm_reset) {
1100                 soc_ac97_ops->warm_reset(codec->ac97);
1101                 if (ac97_read(codec, 0) == wm9713_reg[0])
1102                         return 1;
1103         }
1104 
1105         soc_ac97_ops->reset(codec->ac97);
1106         if (soc_ac97_ops->warm_reset)
1107                 soc_ac97_ops->warm_reset(codec->ac97);
1108         if (ac97_read(codec, 0) != wm9713_reg[0])
1109                 return -EIO;
1110         return 0;
1111 }
1112 EXPORT_SYMBOL_GPL(wm9713_reset);
1113 
1114 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1115                                  enum snd_soc_bias_level level)
1116 {
1117         u16 reg;
1118 
1119         switch (level) {
1120         case SND_SOC_BIAS_ON:
1121                 /* enable thermal shutdown */
1122                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1123                 ac97_write(codec, AC97_EXTENDED_MID, reg);
1124                 break;
1125         case SND_SOC_BIAS_PREPARE:
1126                 break;
1127         case SND_SOC_BIAS_STANDBY:
1128                 /* enable master bias and vmid */
1129                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1130                 ac97_write(codec, AC97_EXTENDED_MID, reg);
1131                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
1132                 break;
1133         case SND_SOC_BIAS_OFF:
1134                 /* disable everything including AC link */
1135                 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1136                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1137                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
1138                 break;
1139         }
1140         codec->dapm.bias_level = level;
1141         return 0;
1142 }
1143 
1144 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1145 {
1146         u16 reg;
1147 
1148         /* Disable everything except touchpanel - that will be handled
1149          * by the touch driver and left disabled if touch is not in
1150          * use. */
1151         reg = ac97_read(codec, AC97_EXTENDED_MID);
1152         ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1153         ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1154         ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1155         ac97_write(codec, AC97_POWERDOWN, 0xffff);
1156 
1157         return 0;
1158 }
1159 
1160 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1161 {
1162         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1163         int i, ret;
1164         u16 *cache = codec->reg_cache;
1165 
1166         ret = wm9713_reset(codec, 1);
1167         if (ret < 0) {
1168                 printk(KERN_ERR "could not reset AC97 codec\n");
1169                 return ret;
1170         }
1171 
1172         wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1173 
1174         /* do we need to re-start the PLL ? */
1175         if (wm9713->pll_in)
1176                 wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1177 
1178         /* only synchronise the codec if warm reset failed */
1179         if (ret == 0) {
1180                 for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1181                         if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1182                                 i == AC97_EXTENDED_MSTATUS || i > 0x66)
1183                                 continue;
1184                         soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
1185                 }
1186         }
1187 
1188         return ret;
1189 }
1190 
1191 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1192 {
1193         struct wm9713_priv *wm9713;
1194         int ret = 0, reg;
1195 
1196         wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1197         if (wm9713 == NULL)
1198                 return -ENOMEM;
1199         snd_soc_codec_set_drvdata(codec, wm9713);
1200 
1201         ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
1202         if (ret < 0)
1203                 goto codec_err;
1204 
1205         /* do a cold reset for the controller and then try
1206          * a warm reset followed by an optional cold reset for codec */
1207         wm9713_reset(codec, 0);
1208         ret = wm9713_reset(codec, 1);
1209         if (ret < 0) {
1210                 printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
1211                 goto reset_err;
1212         }
1213 
1214         wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1215 
1216         /* unmute the adc - move to kcontrol */
1217         reg = ac97_read(codec, AC97_CD) & 0x7fff;
1218         ac97_write(codec, AC97_CD, reg);
1219 
1220         snd_soc_add_codec_controls(codec, wm9713_snd_ac97_controls,
1221                                 ARRAY_SIZE(wm9713_snd_ac97_controls));
1222 
1223         return 0;
1224 
1225 reset_err:
1226         snd_soc_free_ac97_codec(codec);
1227 codec_err:
1228         kfree(wm9713);
1229         return ret;
1230 }
1231 
1232 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1233 {
1234         struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1235         snd_soc_free_ac97_codec(codec);
1236         kfree(wm9713);
1237         return 0;
1238 }
1239 
1240 static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1241         .probe =        wm9713_soc_probe,
1242         .remove =       wm9713_soc_remove,
1243         .suspend =      wm9713_soc_suspend,
1244         .resume =       wm9713_soc_resume,
1245         .read = ac97_read,
1246         .write = ac97_write,
1247         .set_bias_level = wm9713_set_bias_level,
1248         .reg_cache_size = ARRAY_SIZE(wm9713_reg),
1249         .reg_word_size = sizeof(u16),
1250         .reg_cache_step = 2,
1251         .reg_cache_default = wm9713_reg,
1252         .dapm_widgets = wm9713_dapm_widgets,
1253         .num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1254         .dapm_routes = wm9713_audio_map,
1255         .num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1256 };
1257 
1258 static int wm9713_probe(struct platform_device *pdev)
1259 {
1260         return snd_soc_register_codec(&pdev->dev,
1261                         &soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1262 }
1263 
1264 static int wm9713_remove(struct platform_device *pdev)
1265 {
1266         snd_soc_unregister_codec(&pdev->dev);
1267         return 0;
1268 }
1269 
1270 static struct platform_driver wm9713_codec_driver = {
1271         .driver = {
1272                         .name = "wm9713-codec",
1273                         .owner = THIS_MODULE,
1274         },
1275 
1276         .probe = wm9713_probe,
1277         .remove = wm9713_remove,
1278 };
1279 
1280 module_platform_driver(wm9713_codec_driver);
1281 
1282 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1283 MODULE_AUTHOR("Liam Girdwood");
1284 MODULE_LICENSE("GPL");
1285 

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