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wm9713.c
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1 /*
2  * wm9713.c -- ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006-10 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <[email protected]>
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  BUG_ON(event != SND_SOC_DAPM_PRE_PMD);
225 
226  /* Gracefully shut down the voice interface. */
227  status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
228  rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
229  ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
230  schedule_timeout_interruptible(msecs_to_jiffies(1));
231  ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
232  ac97_write(codec, AC97_EXTENDED_MID, status);
233 
234  return 0;
235 }
236 
237 
238 /* We have to create a fake left and right HP mixers because
239  * the codec only has a single control that is shared by both channels.
240  * This makes it impossible to determine the audio path using the current
241  * register map, thus we add a new (virtual) register to help determine the
242  * audio route within the device.
243  */
244 static int mixer_event(struct snd_soc_dapm_widget *w,
245  struct snd_kcontrol *kcontrol, int event)
246 {
247  u16 l, r, beep, tone, phone, rec, pcm, aux;
248 
249  l = ac97_read(w->codec, HPL_MIXER);
250  r = ac97_read(w->codec, HPR_MIXER);
251  beep = ac97_read(w->codec, AC97_PC_BEEP);
252  tone = ac97_read(w->codec, AC97_MASTER_TONE);
253  phone = ac97_read(w->codec, AC97_PHONE);
254  rec = ac97_read(w->codec, AC97_REC_SEL);
255  pcm = ac97_read(w->codec, AC97_PCM);
256  aux = ac97_read(w->codec, AC97_AUX);
257 
258  if (event & SND_SOC_DAPM_PRE_REG)
259  return 0;
260  if ((l & 0x1) || (r & 0x1))
261  ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
262  else
263  ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
264 
265  if ((l & 0x2) || (r & 0x2))
266  ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
267  else
268  ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
269 
270  if ((l & 0x4) || (r & 0x4))
271  ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
272  else
273  ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
274 
275  if ((l & 0x8) || (r & 0x8))
276  ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
277  else
278  ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
279 
280  if ((l & 0x10) || (r & 0x10))
281  ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
282  else
283  ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
284 
285  if ((l & 0x20) || (r & 0x20))
286  ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
287  else
288  ac97_write(w->codec, AC97_AUX, aux | 0x8000);
289 
290  return 0;
291 }
292 
293 /* Left Headphone Mixers */
294 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
295 SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
296 SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
297 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
298 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
299 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
300 SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
301 };
302 
303 /* Right Headphone Mixers */
304 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
305 SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
306 SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
307 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
308 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
309 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
310 SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
311 };
312 
313 /* headphone capture mux */
314 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
315 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
316 
317 /* headphone mic mux */
318 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
319 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
320 
321 /* Speaker Mixer */
322 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
323 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
324 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
325 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
326 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
327 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
328 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
329 };
330 
331 /* Mono Mixer */
332 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
333 SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
334 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
335 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
336 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
337 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
338 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
339 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
340 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
341 };
342 
343 /* mono mic mux */
344 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
345 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
346 
347 /* mono output mux */
348 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
349 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
350 
351 /* speaker left output mux */
352 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
353 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
354 
355 /* speaker right output mux */
356 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
357 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
358 
359 /* headphone left output mux */
360 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
361 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
362 
363 /* headphone right output mux */
364 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
365 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
366 
367 /* Out3 mux */
368 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
369 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
370 
371 /* Out4 mux */
372 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
373 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
374 
375 /* DAC inv mux 1 */
376 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
377 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
378 
379 /* DAC inv mux 2 */
380 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
381 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
382 
383 /* Capture source left */
384 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
385 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
386 
387 /* Capture source right */
388 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
389 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
390 
391 /* mic source */
392 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
393 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
394 
395 /* mic source B virtual control */
396 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
397 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
398 
399 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
400 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
401  &wm9713_hp_rec_mux_controls),
402 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
403  &wm9713_hp_mic_mux_controls),
404 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
405  &wm9713_mono_mic_mux_controls),
406 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
407  &wm9713_mono_mux_controls),
408 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
409  &wm9713_hp_spkl_mux_controls),
410 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
411  &wm9713_hp_spkr_mux_controls),
412 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
413  &wm9713_hpl_out_mux_controls),
414 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
415  &wm9713_hpr_out_mux_controls),
416 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
417  &wm9713_out3_mux_controls),
418 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
419  &wm9713_out4_mux_controls),
420 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
421  &wm9713_dac_inv1_mux_controls),
422 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
423  &wm9713_dac_inv2_mux_controls),
424 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
425  &wm9713_rec_srcl_mux_controls),
426 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
427  &wm9713_rec_srcr_mux_controls),
428 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
429  &wm9713_mic_sel_mux_controls),
430 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
431  &wm9713_micb_sel_mux_controls),
432 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
433  &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
434  mixer_event, SND_SOC_DAPM_POST_REG),
435 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
436  &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
437  mixer_event, SND_SOC_DAPM_POST_REG),
438 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
439  &wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
440 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
441  &wm9713_speaker_mixer_controls[0],
442  ARRAY_SIZE(wm9713_speaker_mixer_controls)),
443 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
444 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
445 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
446 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
447 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
448 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
449 SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
450  wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
451 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
452 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
453 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
454 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
455 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
456 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
457 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
458 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
459 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
460 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
461 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
462 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
463 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
464 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
465 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
466 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
467 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
468 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
469 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
470 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
471 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
472 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
473 SND_SOC_DAPM_OUTPUT("MONO"),
474 SND_SOC_DAPM_OUTPUT("HPL"),
475 SND_SOC_DAPM_OUTPUT("HPR"),
476 SND_SOC_DAPM_OUTPUT("SPKL"),
477 SND_SOC_DAPM_OUTPUT("SPKR"),
478 SND_SOC_DAPM_OUTPUT("OUT3"),
479 SND_SOC_DAPM_OUTPUT("OUT4"),
480 SND_SOC_DAPM_INPUT("LINEL"),
481 SND_SOC_DAPM_INPUT("LINER"),
482 SND_SOC_DAPM_INPUT("MONOIN"),
483 SND_SOC_DAPM_INPUT("PCBEEP"),
484 SND_SOC_DAPM_INPUT("MIC1"),
485 SND_SOC_DAPM_INPUT("MIC2A"),
486 SND_SOC_DAPM_INPUT("MIC2B"),
487 SND_SOC_DAPM_VMID("VMID"),
488 };
489 
490 static const struct snd_soc_dapm_route wm9713_audio_map[] = {
491  /* left HP mixer */
492  {"Left HP Mixer", "Beep Playback Switch", "PCBEEP"},
493  {"Left HP Mixer", "Voice Playback Switch", "Voice DAC"},
494  {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
495  {"Left HP Mixer", "Bypass Playback Switch", "Left Line In"},
496  {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
497  {"Left HP Mixer", "MonoIn Playback Switch", "Mono In"},
498  {"Left HP Mixer", NULL, "Capture Headphone Mux"},
499 
500  /* right HP mixer */
501  {"Right HP Mixer", "Beep Playback Switch", "PCBEEP"},
502  {"Right HP Mixer", "Voice Playback Switch", "Voice DAC"},
503  {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
504  {"Right HP Mixer", "Bypass Playback Switch", "Right Line In"},
505  {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
506  {"Right HP Mixer", "MonoIn Playback Switch", "Mono In"},
507  {"Right HP Mixer", NULL, "Capture Headphone Mux"},
508 
509  /* virtual mixer - mixes left & right channels for spk and mono */
510  {"AC97 Mixer", NULL, "Left DAC"},
511  {"AC97 Mixer", NULL, "Right DAC"},
512  {"Line Mixer", NULL, "Right Line In"},
513  {"Line Mixer", NULL, "Left Line In"},
514  {"HP Mixer", NULL, "Left HP Mixer"},
515  {"HP Mixer", NULL, "Right HP Mixer"},
516  {"Capture Mixer", NULL, "Left Capture Source"},
517  {"Capture Mixer", NULL, "Right Capture Source"},
518 
519  /* speaker mixer */
520  {"Speaker Mixer", "Beep Playback Switch", "PCBEEP"},
521  {"Speaker Mixer", "Voice Playback Switch", "Voice DAC"},
522  {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
523  {"Speaker Mixer", "Bypass Playback Switch", "Line Mixer"},
524  {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
525  {"Speaker Mixer", "MonoIn Playback Switch", "Mono In"},
526 
527  /* mono mixer */
528  {"Mono Mixer", "Beep Playback Switch", "PCBEEP"},
529  {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
530  {"Mono Mixer", "Aux Playback Switch", "Aux DAC"},
531  {"Mono Mixer", "Bypass Playback Switch", "Line Mixer"},
532  {"Mono Mixer", "PCM Playback Switch", "AC97 Mixer"},
533  {"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
534  {"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
535  {"Mono Mixer", NULL, "Capture Mono Mux"},
536 
537  /* DAC inv mux 1 */
538  {"DAC Inv Mux 1", "Mono", "Mono Mixer"},
539  {"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
540  {"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
541  {"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
542  {"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
543 
544  /* DAC inv mux 2 */
545  {"DAC Inv Mux 2", "Mono", "Mono Mixer"},
546  {"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
547  {"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
548  {"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
549  {"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
550 
551  /* headphone left mux */
552  {"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
553 
554  /* headphone right mux */
555  {"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
556 
557  /* speaker left mux */
558  {"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
559  {"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
560  {"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
561 
562  /* speaker right mux */
563  {"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
564  {"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
565  {"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
566 
567  /* mono mux */
568  {"Mono Out Mux", "Mono", "Mono Mixer"},
569  {"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
570 
571  /* out 3 mux */
572  {"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
573 
574  /* out 4 mux */
575  {"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
576 
577  /* output pga */
578  {"HPL", NULL, "Left Headphone"},
579  {"Left Headphone", NULL, "Left Headphone Out Mux"},
580  {"HPR", NULL, "Right Headphone"},
581  {"Right Headphone", NULL, "Right Headphone Out Mux"},
582  {"OUT3", NULL, "Out 3"},
583  {"Out 3", NULL, "Out 3 Mux"},
584  {"OUT4", NULL, "Out 4"},
585  {"Out 4", NULL, "Out 4 Mux"},
586  {"SPKL", NULL, "Left Speaker"},
587  {"Left Speaker", NULL, "Left Speaker Out Mux"},
588  {"SPKR", NULL, "Right Speaker"},
589  {"Right Speaker", NULL, "Right Speaker Out Mux"},
590  {"MONO", NULL, "Mono Out"},
591  {"Mono Out", NULL, "Mono Out Mux"},
592 
593  /* input pga */
594  {"Left Line In", NULL, "LINEL"},
595  {"Right Line In", NULL, "LINER"},
596  {"Mono In", NULL, "MONOIN"},
597  {"Mic A PGA", NULL, "Mic A Pre Amp"},
598  {"Mic B PGA", NULL, "Mic B Pre Amp"},
599 
600  /* left capture select */
601  {"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
602  {"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
603  {"Left Capture Source", "Line", "LINEL"},
604  {"Left Capture Source", "Mono In", "MONOIN"},
605  {"Left Capture Source", "Headphone", "Left HP Mixer"},
606  {"Left Capture Source", "Speaker", "Speaker Mixer"},
607  {"Left Capture Source", "Mono Out", "Mono Mixer"},
608 
609  /* right capture select */
610  {"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
611  {"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
612  {"Right Capture Source", "Line", "LINER"},
613  {"Right Capture Source", "Mono In", "MONOIN"},
614  {"Right Capture Source", "Headphone", "Right HP Mixer"},
615  {"Right Capture Source", "Speaker", "Speaker Mixer"},
616  {"Right Capture Source", "Mono Out", "Mono Mixer"},
617 
618  /* left ADC */
619  {"Left ADC", NULL, "Left Capture Source"},
620  {"Left Voice ADC", NULL, "Left ADC"},
621  {"Left HiFi ADC", NULL, "Left ADC"},
622 
623  /* right ADC */
624  {"Right ADC", NULL, "Right Capture Source"},
625  {"Right Voice ADC", NULL, "Right ADC"},
626  {"Right HiFi ADC", NULL, "Right ADC"},
627 
628  /* mic */
629  {"Mic A Pre Amp", NULL, "Mic A Source"},
630  {"Mic A Source", "Mic 1", "MIC1"},
631  {"Mic A Source", "Mic 2 A", "MIC2A"},
632  {"Mic A Source", "Mic 2 B", "Mic B Source"},
633  {"Mic B Pre Amp", "MPB", "Mic B Source"},
634  {"Mic B Source", NULL, "MIC2B"},
635 
636  /* headphone capture */
637  {"Capture Headphone Mux", "Stereo", "Capture Mixer"},
638  {"Capture Headphone Mux", "Left", "Left Capture Source"},
639  {"Capture Headphone Mux", "Right", "Right Capture Source"},
640 
641  /* mono capture */
642  {"Capture Mono Mux", "Stereo", "Capture Mixer"},
643  {"Capture Mono Mux", "Left", "Left Capture Source"},
644  {"Capture Mono Mux", "Right", "Right Capture Source"},
645 };
646 
647 static unsigned int ac97_read(struct snd_soc_codec *codec,
648  unsigned int reg)
649 {
650  u16 *cache = codec->reg_cache;
651 
652  if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
653  reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
654  reg == AC97_CD)
655  return soc_ac97_ops.read(codec->ac97, reg);
656  else {
657  reg = reg >> 1;
658 
659  if (reg >= (ARRAY_SIZE(wm9713_reg)))
660  return -EIO;
661 
662  return cache[reg];
663  }
664 }
665 
666 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
667  unsigned int val)
668 {
669  u16 *cache = codec->reg_cache;
670  if (reg < 0x7c)
671  soc_ac97_ops.write(codec->ac97, reg, val);
672  reg = reg >> 1;
673  if (reg < (ARRAY_SIZE(wm9713_reg)))
674  cache[reg] = val;
675 
676  return 0;
677 }
678 
679 /* PLL divisors */
680 struct _pll_div {
681  u32 divsel:1;
682  u32 divctl:1;
683  u32 lf:1;
684  u32 n:4;
685  u32 k:24;
686 };
687 
688 /* The size in bits of the PLL divide multiplied by 10
689  * to allow rounding later */
690 #define FIXED_PLL_SIZE ((1 << 22) * 10)
691 
692 static void pll_factors(struct _pll_div *pll_div, unsigned int source)
693 {
694  u64 Kpart;
695  unsigned int K, Ndiv, Nmod, target;
696 
697  /* The the PLL output is always 98.304MHz. */
698  target = 98304000;
699 
700  /* If the input frequency is over 14.4MHz then scale it down. */
701  if (source > 14400000) {
702  source >>= 1;
703  pll_div->divsel = 1;
704 
705  if (source > 14400000) {
706  source >>= 1;
707  pll_div->divctl = 1;
708  } else
709  pll_div->divctl = 0;
710 
711  } else {
712  pll_div->divsel = 0;
713  pll_div->divctl = 0;
714  }
715 
716  /* Low frequency sources require an additional divide in the
717  * loop.
718  */
719  if (source < 8192000) {
720  pll_div->lf = 1;
721  target >>= 2;
722  } else
723  pll_div->lf = 0;
724 
725  Ndiv = target / source;
726  if ((Ndiv < 5) || (Ndiv > 12))
727  printk(KERN_WARNING
728  "WM9713 PLL N value %u out of recommended range!\n",
729  Ndiv);
730 
731  pll_div->n = Ndiv;
732  Nmod = target % source;
733  Kpart = FIXED_PLL_SIZE * (long long)Nmod;
734 
735  do_div(Kpart, source);
736 
737  K = Kpart & 0xFFFFFFFF;
738 
739  /* Check if we need to round */
740  if ((K % 10) >= 5)
741  K += 5;
742 
743  /* Move down to proper range now rounding is done */
744  K /= 10;
745 
746  pll_div->k = K;
747 }
748 
753 static int wm9713_set_pll(struct snd_soc_codec *codec,
754  int pll_id, unsigned int freq_in, unsigned int freq_out)
755 {
756  struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
757  u16 reg, reg2;
758  struct _pll_div pll_div;
759 
760  /* turn PLL off ? */
761  if (freq_in == 0) {
762  /* disable PLL power and select ext source */
763  reg = ac97_read(codec, AC97_HANDSET_RATE);
764  ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
765  reg = ac97_read(codec, AC97_EXTENDED_MID);
766  ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
767  wm9713->pll_in = 0;
768  return 0;
769  }
770 
771  pll_factors(&pll_div, freq_in);
772 
773  if (pll_div.k == 0) {
774  reg = (pll_div.n << 12) | (pll_div.lf << 11) |
775  (pll_div.divsel << 9) | (pll_div.divctl << 8);
776  ac97_write(codec, AC97_LINE1_LEVEL, reg);
777  } else {
778  /* write the fractional k to the reg 0x46 pages */
779  reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
780  (pll_div.divsel << 9) | (pll_div.divctl << 8);
781 
782  /* K [21:20] */
783  reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
784  ac97_write(codec, AC97_LINE1_LEVEL, reg);
785 
786  /* K [19:16] */
787  reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
788  ac97_write(codec, AC97_LINE1_LEVEL, reg);
789 
790  /* K [15:12] */
791  reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
792  ac97_write(codec, AC97_LINE1_LEVEL, reg);
793 
794  /* K [11:8] */
795  reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
796  ac97_write(codec, AC97_LINE1_LEVEL, reg);
797 
798  /* K [7:4] */
799  reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
800  ac97_write(codec, AC97_LINE1_LEVEL, reg);
801 
802  reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
803  ac97_write(codec, AC97_LINE1_LEVEL, reg);
804  }
805 
806  /* turn PLL on and select as source */
807  reg = ac97_read(codec, AC97_EXTENDED_MID);
808  ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
809  reg = ac97_read(codec, AC97_HANDSET_RATE);
810  ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
811  wm9713->pll_in = freq_in;
812 
813  /* wait 10ms AC97 link frames for the link to stabilise */
814  schedule_timeout_interruptible(msecs_to_jiffies(10));
815  return 0;
816 }
817 
818 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
819  int source, unsigned int freq_in, unsigned int freq_out)
820 {
821  struct snd_soc_codec *codec = codec_dai->codec;
822  return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
823 }
824 
825 /*
826  * Tristate the PCM DAI lines, tristate can be disabled by calling
827  * wm9713_set_dai_fmt()
828  */
829 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
830  int tristate)
831 {
832  struct snd_soc_codec *codec = codec_dai->codec;
833  u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
834 
835  if (tristate)
836  ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
837 
838  return 0;
839 }
840 
841 /*
842  * Configure WM9713 clock dividers.
843  * Voice DAC needs 256 FS
844  */
845 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
846  int div_id, int div)
847 {
848  struct snd_soc_codec *codec = codec_dai->codec;
849  u16 reg;
850 
851  switch (div_id) {
852  case WM9713_PCMCLK_DIV:
853  reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
854  ac97_write(codec, AC97_HANDSET_RATE, reg | div);
855  break;
856  case WM9713_CLKA_MULT:
857  reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
858  ac97_write(codec, AC97_HANDSET_RATE, reg | div);
859  break;
860  case WM9713_CLKB_MULT:
861  reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
862  ac97_write(codec, AC97_HANDSET_RATE, reg | div);
863  break;
864  case WM9713_HIFI_DIV:
865  reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
866  ac97_write(codec, AC97_HANDSET_RATE, reg | div);
867  break;
868  case WM9713_PCMBCLK_DIV:
869  reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
870  ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
871  break;
872  case WM9713_PCMCLK_PLL_DIV:
873  reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
874  ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
875  break;
876  case WM9713_HIFI_PLL_DIV:
877  reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
878  ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
879  break;
880  default:
881  return -EINVAL;
882  }
883 
884  return 0;
885 }
886 
887 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
888  unsigned int fmt)
889 {
890  struct snd_soc_codec *codec = codec_dai->codec;
891  u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
892  u16 reg = 0x8000;
893 
894  /* clock masters */
895  switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
896  case SND_SOC_DAIFMT_CBM_CFM:
897  reg |= 0x4000;
898  gpio |= 0x0010;
899  break;
900  case SND_SOC_DAIFMT_CBM_CFS:
901  reg |= 0x6000;
902  gpio |= 0x0018;
903  break;
904  case SND_SOC_DAIFMT_CBS_CFS:
905  reg |= 0x2000;
906  gpio |= 0x001a;
907  break;
908  case SND_SOC_DAIFMT_CBS_CFM:
909  gpio |= 0x0012;
910  break;
911  }
912 
913  /* clock inversion */
914  switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
915  case SND_SOC_DAIFMT_IB_IF:
916  reg |= 0x00c0;
917  break;
918  case SND_SOC_DAIFMT_IB_NF:
919  reg |= 0x0080;
920  break;
921  case SND_SOC_DAIFMT_NB_IF:
922  reg |= 0x0040;
923  break;
924  }
925 
926  /* DAI format */
927  switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
928  case SND_SOC_DAIFMT_I2S:
929  reg |= 0x0002;
930  break;
931  case SND_SOC_DAIFMT_RIGHT_J:
932  break;
933  case SND_SOC_DAIFMT_LEFT_J:
934  reg |= 0x0001;
935  break;
936  case SND_SOC_DAIFMT_DSP_A:
937  reg |= 0x0003;
938  break;
939  case SND_SOC_DAIFMT_DSP_B:
940  reg |= 0x0043;
941  break;
942  }
943 
944  ac97_write(codec, AC97_GPIO_CFG, gpio);
945  ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
946  return 0;
947 }
948 
949 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
950  struct snd_pcm_hw_params *params,
951  struct snd_soc_dai *dai)
952 {
953  struct snd_soc_codec *codec = dai->codec;
954  u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
955 
956  switch (params_format(params)) {
957  case SNDRV_PCM_FORMAT_S16_LE:
958  break;
959  case SNDRV_PCM_FORMAT_S20_3LE:
960  reg |= 0x0004;
961  break;
962  case SNDRV_PCM_FORMAT_S24_LE:
963  reg |= 0x0008;
964  break;
965  case SNDRV_PCM_FORMAT_S32_LE:
966  reg |= 0x000c;
967  break;
968  }
969 
970  /* enable PCM interface in master mode */
971  ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
972  return 0;
973 }
974 
975 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
976  struct snd_soc_dai *dai)
977 {
978  struct snd_soc_codec *codec = dai->codec;
979  struct snd_pcm_runtime *runtime = substream->runtime;
980  int reg;
981  u16 vra;
982 
983  vra = ac97_read(codec, AC97_EXTENDED_STATUS);
984  ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
985 
986  if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
987  reg = AC97_PCM_FRONT_DAC_RATE;
988  else
989  reg = AC97_PCM_LR_ADC_RATE;
990 
991  return ac97_write(codec, reg, runtime->rate);
992 }
993 
994 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
995  struct snd_soc_dai *dai)
996 {
997  struct snd_soc_codec *codec = dai->codec;
998  struct snd_pcm_runtime *runtime = substream->runtime;
999  u16 vra, xsle;
1000 
1001  vra = ac97_read(codec, AC97_EXTENDED_STATUS);
1002  ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
1003  xsle = ac97_read(codec, AC97_PCI_SID);
1004  ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1005 
1006  if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1007  return -ENODEV;
1008 
1009  return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1010 }
1011 
1012 #define WM9713_RATES (SNDRV_PCM_RATE_8000 | \
1013  SNDRV_PCM_RATE_11025 | \
1014  SNDRV_PCM_RATE_22050 | \
1015  SNDRV_PCM_RATE_44100 | \
1016  SNDRV_PCM_RATE_48000)
1017 
1018 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000 | \
1019  SNDRV_PCM_RATE_11025 | \
1020  SNDRV_PCM_RATE_16000 | \
1021  SNDRV_PCM_RATE_22050 | \
1022  SNDRV_PCM_RATE_44100 | \
1023  SNDRV_PCM_RATE_48000)
1024 
1025 #define WM9713_PCM_FORMATS \
1026  (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1027  SNDRV_PCM_FORMAT_S24_LE)
1028 
1029 static const struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
1030  .prepare = ac97_hifi_prepare,
1031  .set_clkdiv = wm9713_set_dai_clkdiv,
1032  .set_pll = wm9713_set_dai_pll,
1033 };
1034 
1035 static const struct snd_soc_dai_ops wm9713_dai_ops_aux = {
1036  .prepare = ac97_aux_prepare,
1037  .set_clkdiv = wm9713_set_dai_clkdiv,
1038  .set_pll = wm9713_set_dai_pll,
1039 };
1040 
1041 static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
1042  .hw_params = wm9713_pcm_hw_params,
1043  .set_clkdiv = wm9713_set_dai_clkdiv,
1044  .set_pll = wm9713_set_dai_pll,
1045  .set_fmt = wm9713_set_dai_fmt,
1046  .set_tristate = wm9713_set_dai_tristate,
1047 };
1048 
1049 static struct snd_soc_dai_driver wm9713_dai[] = {
1050 {
1051  .name = "wm9713-hifi",
1052  .ac97_control = 1,
1053  .playback = {
1054  .stream_name = "HiFi Playback",
1055  .channels_min = 1,
1056  .channels_max = 2,
1057  .rates = WM9713_RATES,
1058  .formats = SND_SOC_STD_AC97_FMTS,},
1059  .capture = {
1060  .stream_name = "HiFi Capture",
1061  .channels_min = 1,
1062  .channels_max = 2,
1063  .rates = WM9713_RATES,
1064  .formats = SND_SOC_STD_AC97_FMTS,},
1065  .ops = &wm9713_dai_ops_hifi,
1066  },
1067  {
1068  .name = "wm9713-aux",
1069  .playback = {
1070  .stream_name = "Aux Playback",
1071  .channels_min = 1,
1072  .channels_max = 1,
1073  .rates = WM9713_RATES,
1074  .formats = SND_SOC_STD_AC97_FMTS,},
1075  .ops = &wm9713_dai_ops_aux,
1076  },
1077  {
1078  .name = "wm9713-voice",
1079  .playback = {
1080  .stream_name = "Voice Playback",
1081  .channels_min = 1,
1082  .channels_max = 1,
1083  .rates = WM9713_PCM_RATES,
1084  .formats = WM9713_PCM_FORMATS,},
1085  .capture = {
1086  .stream_name = "Voice Capture",
1087  .channels_min = 1,
1088  .channels_max = 2,
1089  .rates = WM9713_PCM_RATES,
1090  .formats = WM9713_PCM_FORMATS,},
1091  .ops = &wm9713_dai_ops_voice,
1092  .symmetric_rates = 1,
1093  },
1094 };
1095 
1096 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1097 {
1098  if (try_warm && soc_ac97_ops.warm_reset) {
1099  soc_ac97_ops.warm_reset(codec->ac97);
1100  if (ac97_read(codec, 0) == wm9713_reg[0])
1101  return 1;
1102  }
1103 
1104  soc_ac97_ops.reset(codec->ac97);
1105  if (soc_ac97_ops.warm_reset)
1106  soc_ac97_ops.warm_reset(codec->ac97);
1107  if (ac97_read(codec, 0) != wm9713_reg[0])
1108  return -EIO;
1109  return 0;
1110 }
1111 EXPORT_SYMBOL_GPL(wm9713_reset);
1112 
1113 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1114  enum snd_soc_bias_level level)
1115 {
1116  u16 reg;
1117 
1118  switch (level) {
1119  case SND_SOC_BIAS_ON:
1120  /* enable thermal shutdown */
1121  reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1122  ac97_write(codec, AC97_EXTENDED_MID, reg);
1123  break;
1124  case SND_SOC_BIAS_PREPARE:
1125  break;
1126  case SND_SOC_BIAS_STANDBY:
1127  /* enable master bias and vmid */
1128  reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1129  ac97_write(codec, AC97_EXTENDED_MID, reg);
1130  ac97_write(codec, AC97_POWERDOWN, 0x0000);
1131  break;
1132  case SND_SOC_BIAS_OFF:
1133  /* disable everything including AC link */
1134  ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1135  ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1136  ac97_write(codec, AC97_POWERDOWN, 0xffff);
1137  break;
1138  }
1139  codec->dapm.bias_level = level;
1140  return 0;
1141 }
1142 
1143 static int wm9713_soc_suspend(struct snd_soc_codec *codec)
1144 {
1145  u16 reg;
1146 
1147  /* Disable everything except touchpanel - that will be handled
1148  * by the touch driver and left disabled if touch is not in
1149  * use. */
1150  reg = ac97_read(codec, AC97_EXTENDED_MID);
1151  ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1152  ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1153  ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1154  ac97_write(codec, AC97_POWERDOWN, 0xffff);
1155 
1156  return 0;
1157 }
1158 
1159 static int wm9713_soc_resume(struct snd_soc_codec *codec)
1160 {
1161  struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1162  int i, ret;
1163  u16 *cache = codec->reg_cache;
1164 
1165  ret = wm9713_reset(codec, 1);
1166  if (ret < 0) {
1167  printk(KERN_ERR "could not reset AC97 codec\n");
1168  return ret;
1169  }
1170 
1171  wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1172 
1173  /* do we need to re-start the PLL ? */
1174  if (wm9713->pll_in)
1175  wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
1176 
1177  /* only synchronise the codec if warm reset failed */
1178  if (ret == 0) {
1179  for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1180  if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1181  i == AC97_EXTENDED_MSTATUS || i > 0x66)
1182  continue;
1183  soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
1184  }
1185  }
1186 
1187  return ret;
1188 }
1189 
1190 static int wm9713_soc_probe(struct snd_soc_codec *codec)
1191 {
1192  struct wm9713_priv *wm9713;
1193  int ret = 0, reg;
1194 
1195  wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1196  if (wm9713 == NULL)
1197  return -ENOMEM;
1198  snd_soc_codec_set_drvdata(codec, wm9713);
1199 
1200  ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
1201  if (ret < 0)
1202  goto codec_err;
1203 
1204  /* do a cold reset for the controller and then try
1205  * a warm reset followed by an optional cold reset for codec */
1206  wm9713_reset(codec, 0);
1207  ret = wm9713_reset(codec, 1);
1208  if (ret < 0) {
1209  printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
1210  goto reset_err;
1211  }
1212 
1213  wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1214 
1215  /* unmute the adc - move to kcontrol */
1216  reg = ac97_read(codec, AC97_CD) & 0x7fff;
1217  ac97_write(codec, AC97_CD, reg);
1218 
1219  snd_soc_add_codec_controls(codec, wm9713_snd_ac97_controls,
1220  ARRAY_SIZE(wm9713_snd_ac97_controls));
1221 
1222  return 0;
1223 
1224 reset_err:
1225  snd_soc_free_ac97_codec(codec);
1226 codec_err:
1227  kfree(wm9713);
1228  return ret;
1229 }
1230 
1231 static int wm9713_soc_remove(struct snd_soc_codec *codec)
1232 {
1233  struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
1234  snd_soc_free_ac97_codec(codec);
1235  kfree(wm9713);
1236  return 0;
1237 }
1238 
1239 static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
1240  .probe = wm9713_soc_probe,
1241  .remove = wm9713_soc_remove,
1242  .suspend = wm9713_soc_suspend,
1243  .resume = wm9713_soc_resume,
1244  .read = ac97_read,
1245  .write = ac97_write,
1246  .set_bias_level = wm9713_set_bias_level,
1247  .reg_cache_size = ARRAY_SIZE(wm9713_reg),
1248  .reg_word_size = sizeof(u16),
1249  .reg_cache_step = 2,
1250  .reg_cache_default = wm9713_reg,
1251  .dapm_widgets = wm9713_dapm_widgets,
1252  .num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
1253  .dapm_routes = wm9713_audio_map,
1254  .num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
1255 };
1256 
1257 static __devinit int wm9713_probe(struct platform_device *pdev)
1258 {
1259  return snd_soc_register_codec(&pdev->dev,
1260  &soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
1261 }
1262 
1263 static int __devexit wm9713_remove(struct platform_device *pdev)
1264 {
1265  snd_soc_unregister_codec(&pdev->dev);
1266  return 0;
1267 }
1268 
1269 static struct platform_driver wm9713_codec_driver = {
1270  .driver = {
1271  .name = "wm9713-codec",
1272  .owner = THIS_MODULE,
1273  },
1274 
1275  .probe = wm9713_probe,
1276  .remove = __devexit_p(wm9713_remove),
1277 };
1278 
1279 module_platform_driver(wm9713_codec_driver);
1280 
1281 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1282 MODULE_AUTHOR("Liam Girdwood");
1283 MODULE_LICENSE("GPL");
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