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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02002 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
Takashi Iwaiac519022007-02-22 12:58:27 +010025#define AC97_SINGLE_VALUE(reg,shift,mask,invert) \
26 ((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | \
27 ((invert) << 24))
28#define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) \
29 (AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26))
30#define AC97_SINGLE(xname, reg, shift, mask, invert) \
31{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
32 .info = snd_ac97_info_volsw, \
33 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
34 .private_value = AC97_SINGLE_VALUE(reg, shift, mask, invert) }
35#define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page) \
36{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
37 .info = snd_ac97_info_volsw, \
38 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
39 .private_value = AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) }
40#define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
41{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
42 .info = snd_ac97_info_volsw, \
43 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
44 .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
45
46/* enum control */
47struct ac97_enum {
48 unsigned char reg;
49 unsigned char shift_l;
50 unsigned char shift_r;
51 unsigned short mask;
52 const char **texts;
53};
54
55#define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
56{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
57 .mask = xmask, .texts = xtexts }
58#define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
59 AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
60#define AC97_ENUM(xname, xenum) \
61{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
62 .info = snd_ac97_info_enum_double, \
63 .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
64 .private_value = (unsigned long)&xenum }
65
66/* ac97_codec.c */
67static const struct snd_kcontrol_new snd_ac97_controls_3d[];
68static const struct snd_kcontrol_new snd_ac97_controls_spdif[];
69static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
70 struct snd_ac97 * ac97);
71static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
72 struct snd_ctl_elem_info *uinfo);
73static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
74 struct snd_ctl_elem_value *ucontrol);
75static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
76 struct snd_ctl_elem_value *ucontrol);
77static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);
78static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
79 const char *suffix);
80static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
81 const char *dst, const char *suffix);
82static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
83 const char *s2, const char *suffix);
84static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
85 const char *dst);
Krzysztof Helt54720a22007-10-29 10:48:40 +010086#ifdef CONFIG_PM
Takashi Iwaiac519022007-02-22 12:58:27 +010087static void snd_ac97_restore_status(struct snd_ac97 *ac97);
88static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
Krzysztof Helt54720a22007-10-29 10:48:40 +010089#endif
Takashi Iwaiac519022007-02-22 12:58:27 +010090static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
91 struct snd_ctl_elem_info *uinfo);
92static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
93 struct snd_ctl_elem_value *ucontrol);
94static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
95 struct snd_ctl_elem_value *ucontrol);