Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

Linux/sound/soc/codecs/wm9712.c

  1 /*
  2  * wm9712.c  --  ALSA Soc WM9712 codec support
  3  *
  4  * Copyright 2006-12 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 
 13 #include <linux/init.h>
 14 #include <linux/slab.h>
 15 #include <linux/module.h>
 16 #include <linux/kernel.h>
 17 #include <linux/device.h>
 18 #include <sound/core.h>
 19 #include <sound/pcm.h>
 20 #include <sound/ac97_codec.h>
 21 #include <sound/initval.h>
 22 #include <sound/soc.h>
 23 #include <sound/tlv.h>
 24 #include "wm9712.h"
 25 
 26 #define WM9712_VENDOR_ID 0x574d4c12
 27 #define WM9712_VENDOR_ID_MASK 0xffffffff
 28 
 29 struct wm9712_priv {
 30         struct snd_ac97 *ac97;
 31         unsigned int hp_mixer[2];
 32         struct mutex lock;
 33 };
 34 
 35 static unsigned int ac97_read(struct snd_soc_codec *codec,
 36         unsigned int reg);
 37 static int ac97_write(struct snd_soc_codec *codec,
 38         unsigned int reg, unsigned int val);
 39 
 40 /*
 41  * WM9712 register cache
 42  */
 43 static const u16 wm9712_reg[] = {
 44         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
 45         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
 46         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
 47         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
 48         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
 49         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
 50         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
 51         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
 52         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
 53         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
 54         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
 55         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
 56         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
 57         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
 58         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
 59         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
 60 };
 61 
 62 #define HPL_MIXER       0x0
 63 #define HPR_MIXER       0x1
 64 
 65 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
 66 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
 67 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
 68         "Mono"};
 69 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
 70 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
 71 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
 72 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
 73 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
 74         "Stereo"};
 75 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
 76         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
 77 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
 78 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
 79 
 80 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
 81 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
 82 
 83 static const struct soc_enum wm9712_enum[] = {
 84 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
 85 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
 86 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
 87 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
 88 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
 89 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
 90 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
 91 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
 92 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
 93 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
 94 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
 95 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
 96 };
 97 
 98 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
 99 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
100 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
101 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
102 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
103 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
104 
105 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
106 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
107 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
108 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
109 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
110 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
111 
112 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
113 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
114 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
115 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
116 SOC_ENUM("ALC Function", wm9712_enum[0]),
117 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
118 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
119 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
120 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
121 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
122 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
123 
124 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
125 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
126 
127 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
128 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
129 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
130 
131 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
132 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
133 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
134 
135 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
136 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
137 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
138 
139 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
140 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
141 
142 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
143 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
144                boost_tlv),
145 
146 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
147 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
148 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
149 
150 SOC_ENUM("Bass Control", wm9712_enum[5]),
151 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
152 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
153 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
154 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
155 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
156 
157 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
158 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
159 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
160 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
161 
162 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
163 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
164 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
165 };
166 
167 static const unsigned int wm9712_mixer_mute_regs[] = {
168         AC97_VIDEO,
169         AC97_PCM,
170         AC97_LINE,
171         AC97_PHONE,
172         AC97_CD,
173         AC97_PC_BEEP,
174 };
175 
176 /* We have to create a fake left and right HP mixers because
177  * the codec only has a single control that is shared by both channels.
178  * This makes it impossible to determine the audio path.
179  */
180 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
181         struct snd_ctl_elem_value *ucontrol)
182 {
183         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
184         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
185         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
186         unsigned int val = ucontrol->value.integer.value[0];
187         struct soc_mixer_control *mc =
188                 (struct soc_mixer_control *)kcontrol->private_value;
189         unsigned int mixer, mask, shift, old;
190         struct snd_soc_dapm_update update;
191         bool change;
192 
193         mixer = mc->shift >> 8;
194         shift = mc->shift & 0xff;
195         mask = 1 << shift;
196 
197         mutex_lock(&wm9712->lock);
198         old = wm9712->hp_mixer[mixer];
199         if (ucontrol->value.integer.value[0])
200                 wm9712->hp_mixer[mixer] |= mask;
201         else
202                 wm9712->hp_mixer[mixer] &= ~mask;
203 
204         change = old != wm9712->hp_mixer[mixer];
205         if (change) {
206                 update.kcontrol = kcontrol;
207                 update.reg = wm9712_mixer_mute_regs[shift];
208                 update.mask = 0x8000;
209                 if ((wm9712->hp_mixer[0] & mask) ||
210                     (wm9712->hp_mixer[1] & mask))
211                         update.val = 0x0;
212                 else
213                         update.val = 0x8000;
214 
215                 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
216                         &update);
217         }
218 
219         mutex_unlock(&wm9712->lock);
220 
221         return change;
222 }
223 
224 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
225         struct snd_ctl_elem_value *ucontrol)
226 {
227         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
228         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
229         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
230         struct soc_mixer_control *mc =
231                 (struct soc_mixer_control *)kcontrol->private_value;
232         unsigned int shift, mixer;
233 
234         mixer = mc->shift >> 8;
235         shift = mc->shift & 0xff;
236 
237         ucontrol->value.integer.value[0] =
238                 (wm9712->hp_mixer[mixer] >> shift) & 1;
239 
240         return 0;
241 }
242 
243 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
244         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
245         .info = snd_soc_info_volsw, \
246         .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
247         .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
248                 (xmixer << 8) | xshift, 1, 0, 0) \
249 }
250 
251 /* Left Headphone Mixers */
252 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
253         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
254         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
255         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
256         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
257         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
258         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
259 };
260 
261 /* Right Headphone Mixers */
262 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
263         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
264         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
265         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
266         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
267         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
268         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
269 };
270 
271 /* Speaker Mixer */
272 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
273         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
274         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
275         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
276         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
277         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
278 };
279 
280 /* Phone Mixer */
281 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
282         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
283         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
284         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
285         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
286         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
287         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
288 };
289 
290 /* ALC headphone mux */
291 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
292 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
293 
294 /* out 3 mux */
295 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
296 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
297 
298 /* spk mux */
299 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
300 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
301 
302 /* Capture to Phone mux */
303 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
304 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
305 
306 /* Capture left select */
307 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
308 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
309 
310 /* Capture right select */
311 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
312 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
313 
314 /* Mic select */
315 static const struct snd_kcontrol_new wm9712_mic_src_controls =
316 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
317 
318 /* diff select */
319 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
320 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
321 
322 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
323 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
324         &wm9712_alc_mux_controls),
325 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
326         &wm9712_out3_mux_controls),
327 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
328         &wm9712_spk_mux_controls),
329 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
330         &wm9712_capture_phone_mux_controls),
331 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
332         &wm9712_capture_selectl_controls),
333 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
334         &wm9712_capture_selectr_controls),
335 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
336         &wm9712_mic_src_controls),
337 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
338         &wm9712_mic_src_controls),
339 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
340         &wm9712_diff_sel_controls),
341 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
342 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
343         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
344 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
345         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
346 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
347         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
348 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
349         &wm9712_speaker_mixer_controls[0],
350         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
351 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
352 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
353 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
354 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
355 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
356 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
357 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
358 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
359 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
360 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
361 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
362 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
363 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
364 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
365 SND_SOC_DAPM_OUTPUT("MONOOUT"),
366 SND_SOC_DAPM_OUTPUT("HPOUTL"),
367 SND_SOC_DAPM_OUTPUT("HPOUTR"),
368 SND_SOC_DAPM_OUTPUT("LOUT2"),
369 SND_SOC_DAPM_OUTPUT("ROUT2"),
370 SND_SOC_DAPM_OUTPUT("OUT3"),
371 SND_SOC_DAPM_INPUT("LINEINL"),
372 SND_SOC_DAPM_INPUT("LINEINR"),
373 SND_SOC_DAPM_INPUT("PHONE"),
374 SND_SOC_DAPM_INPUT("PCBEEP"),
375 SND_SOC_DAPM_INPUT("MIC1"),
376 SND_SOC_DAPM_INPUT("MIC2"),
377 };
378 
379 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
380         /* virtual mixer - mixes left & right channels for spk and mono */
381         {"AC97 Mixer", NULL, "Left DAC"},
382         {"AC97 Mixer", NULL, "Right DAC"},
383 
384         /* Left HP mixer */
385         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
386         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
387         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
388         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
389         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
390         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
391         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
392 
393         /* Right HP mixer */
394         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
395         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
396         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
397         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
398         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
399         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
400         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
401 
402         /* speaker mixer */
403         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
404         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
405         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
406         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
407         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
408 
409         /* Phone mixer */
410         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
411         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
412         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
413         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
414         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
415         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
416 
417         /* inputs */
418         {"Line PGA", NULL, "LINEINL"},
419         {"Line PGA", NULL, "LINEINR"},
420         {"Phone PGA", NULL, "PHONE"},
421         {"Mic PGA", NULL, "MIC1"},
422         {"Mic PGA", NULL, "MIC2"},
423 
424         /* microphones */
425         {"Differential Mic", NULL, "MIC1"},
426         {"Differential Mic", NULL, "MIC2"},
427         {"Left Mic Select Source", "Mic 1", "MIC1"},
428         {"Left Mic Select Source", "Mic 2", "MIC2"},
429         {"Left Mic Select Source", "Stereo", "MIC1"},
430         {"Left Mic Select Source", "Differential", "Differential Mic"},
431         {"Right Mic Select Source", "Mic 1", "MIC1"},
432         {"Right Mic Select Source", "Mic 2", "MIC2"},
433         {"Right Mic Select Source", "Stereo", "MIC2"},
434         {"Right Mic Select Source", "Differential", "Differential Mic"},
435 
436         /* left capture selector */
437         {"Left Capture Select", "Mic", "MIC1"},
438         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
439         {"Left Capture Select", "Line", "LINEINL"},
440         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
441         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
442         {"Left Capture Select", "Phone", "PHONE"},
443 
444         /* right capture selector */
445         {"Right Capture Select", "Mic", "MIC2"},
446         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
447         {"Right Capture Select", "Line", "LINEINR"},
448         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
449         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
450         {"Right Capture Select", "Phone", "PHONE"},
451 
452         /* ALC Sidetone */
453         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
454         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
455         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
456         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
457 
458         /* ADC's */
459         {"Left ADC", NULL, "Left Capture Select"},
460         {"Right ADC", NULL, "Right Capture Select"},
461 
462         /* outputs */
463         {"MONOOUT", NULL, "Phone Mixer"},
464         {"HPOUTL", NULL, "Headphone PGA"},
465         {"Headphone PGA", NULL, "Left HP Mixer"},
466         {"HPOUTR", NULL, "Headphone PGA"},
467         {"Headphone PGA", NULL, "Right HP Mixer"},
468 
469         /* mono mixer */
470         {"Mono Mixer", NULL, "Left HP Mixer"},
471         {"Mono Mixer", NULL, "Right HP Mixer"},
472 
473         /* Out3 Mux */
474         {"Out3 Mux", "Left", "Left HP Mixer"},
475         {"Out3 Mux", "Mono", "Phone Mixer"},
476         {"Out3 Mux", "Left + Right", "Mono Mixer"},
477         {"Out 3 PGA", NULL, "Out3 Mux"},
478         {"OUT3", NULL, "Out 3 PGA"},
479 
480         /* speaker Mux */
481         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
482         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
483         {"Speaker PGA", NULL, "Speaker Mux"},
484         {"LOUT2", NULL, "Speaker PGA"},
485         {"ROUT2", NULL, "Speaker PGA"},
486 };
487 
488 static unsigned int ac97_read(struct snd_soc_codec *codec,
489         unsigned int reg)
490 {
491         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
492         u16 *cache = codec->reg_cache;
493 
494         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
495                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
496                 reg == AC97_REC_GAIN)
497                 return soc_ac97_ops->read(wm9712->ac97, reg);
498         else {
499                 reg = reg >> 1;
500 
501                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
502                         return -EIO;
503 
504                 return cache[reg];
505         }
506 }
507 
508 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
509         unsigned int val)
510 {
511         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
512         u16 *cache = codec->reg_cache;
513 
514         soc_ac97_ops->write(wm9712->ac97, reg, val);
515         reg = reg >> 1;
516         if (reg < (ARRAY_SIZE(wm9712_reg)))
517                 cache[reg] = val;
518 
519         return 0;
520 }
521 
522 static int ac97_prepare(struct snd_pcm_substream *substream,
523                         struct snd_soc_dai *dai)
524 {
525         struct snd_soc_codec *codec = dai->codec;
526         int reg;
527         u16 vra;
528         struct snd_pcm_runtime *runtime = substream->runtime;
529 
530         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
531         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
532 
533         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
534                 reg = AC97_PCM_FRONT_DAC_RATE;
535         else
536                 reg = AC97_PCM_LR_ADC_RATE;
537 
538         return ac97_write(codec, reg, runtime->rate);
539 }
540 
541 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
542                             struct snd_soc_dai *dai)
543 {
544         struct snd_soc_codec *codec = dai->codec;
545         u16 vra, xsle;
546         struct snd_pcm_runtime *runtime = substream->runtime;
547 
548         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
549         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
550         xsle = ac97_read(codec, AC97_PCI_SID);
551         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
552 
553         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
554                 return -ENODEV;
555 
556         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
557 }
558 
559 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
560                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
561                 SNDRV_PCM_RATE_48000)
562 
563 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
564         .prepare        = ac97_prepare,
565 };
566 
567 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
568         .prepare        = ac97_aux_prepare,
569 };
570 
571 static struct snd_soc_dai_driver wm9712_dai[] = {
572 {
573         .name = "wm9712-hifi",
574         .playback = {
575                 .stream_name = "HiFi Playback",
576                 .channels_min = 1,
577                 .channels_max = 2,
578                 .rates = WM9712_AC97_RATES,
579                 .formats = SND_SOC_STD_AC97_FMTS,},
580         .capture = {
581                 .stream_name = "HiFi Capture",
582                 .channels_min = 1,
583                 .channels_max = 2,
584                 .rates = WM9712_AC97_RATES,
585                 .formats = SND_SOC_STD_AC97_FMTS,},
586         .ops = &wm9712_dai_ops_hifi,
587 },
588 {
589         .name = "wm9712-aux",
590         .playback = {
591                 .stream_name = "Aux Playback",
592                 .channels_min = 1,
593                 .channels_max = 1,
594                 .rates = WM9712_AC97_RATES,
595                 .formats = SND_SOC_STD_AC97_FMTS,},
596         .ops = &wm9712_dai_ops_aux,
597 }
598 };
599 
600 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
601                                  enum snd_soc_bias_level level)
602 {
603         switch (level) {
604         case SND_SOC_BIAS_ON:
605         case SND_SOC_BIAS_PREPARE:
606                 break;
607         case SND_SOC_BIAS_STANDBY:
608                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
609                 break;
610         case SND_SOC_BIAS_OFF:
611                 /* disable everything including AC link */
612                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
613                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
614                 break;
615         }
616         return 0;
617 }
618 
619 static int wm9712_soc_resume(struct snd_soc_codec *codec)
620 {
621         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
622         int i, ret;
623         u16 *cache = codec->reg_cache;
624 
625         ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID,
626                 WM9712_VENDOR_ID_MASK);
627         if (ret < 0)
628                 return ret;
629 
630         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
631 
632         if (ret == 0) {
633                 /* Sync reg_cache with the hardware after cold reset */
634                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
635                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
636                             (i > 0x58 && i != 0x5c))
637                                 continue;
638                         soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]);
639                 }
640         }
641 
642         return ret;
643 }
644 
645 static int wm9712_soc_probe(struct snd_soc_codec *codec)
646 {
647         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
648         int ret;
649 
650         wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
651                 WM9712_VENDOR_ID_MASK);
652         if (IS_ERR(wm9712->ac97)) {
653                 ret = PTR_ERR(wm9712->ac97);
654                 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
655                 return ret;
656         }
657 
658         /* set alc mux to none */
659         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
660 
661         return 0;
662 }
663 
664 static int wm9712_soc_remove(struct snd_soc_codec *codec)
665 {
666         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
667 
668         snd_soc_free_ac97_codec(wm9712->ac97);
669         return 0;
670 }
671 
672 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
673         .probe =        wm9712_soc_probe,
674         .remove =       wm9712_soc_remove,
675         .resume =       wm9712_soc_resume,
676         .read = ac97_read,
677         .write = ac97_write,
678         .set_bias_level = wm9712_set_bias_level,
679         .suspend_bias_off = true,
680         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
681         .reg_word_size = sizeof(u16),
682         .reg_cache_step = 2,
683         .reg_cache_default = wm9712_reg,
684 
685         .controls = wm9712_snd_ac97_controls,
686         .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
687         .dapm_widgets = wm9712_dapm_widgets,
688         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
689         .dapm_routes = wm9712_audio_map,
690         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
691 };
692 
693 static int wm9712_probe(struct platform_device *pdev)
694 {
695         struct wm9712_priv *wm9712;
696 
697         wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
698         if (wm9712 == NULL)
699                 return -ENOMEM;
700 
701         mutex_init(&wm9712->lock);
702 
703         platform_set_drvdata(pdev, wm9712);
704 
705         return snd_soc_register_codec(&pdev->dev,
706                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
707 }
708 
709 static int wm9712_remove(struct platform_device *pdev)
710 {
711         snd_soc_unregister_codec(&pdev->dev);
712         return 0;
713 }
714 
715 static struct platform_driver wm9712_codec_driver = {
716         .driver = {
717                 .name = "wm9712-codec",
718         },
719 
720         .probe = wm9712_probe,
721         .remove = wm9712_remove,
722 };
723 
724 module_platform_driver(wm9712_codec_driver);
725 
726 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
727 MODULE_AUTHOR("Liam Girdwood");
728 MODULE_LICENSE("GPL");
729 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us