Version:
~
[ 2.6.16 ] ~
[ 2.6.17 ] ~
Architecture:
~
[ ia64 ] ~
[ i386 ] ~
[ arm ] ~
[ ppc ] ~
[ sparc64 ] ~
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * 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
25 #define AC97_SINGLE_VALUE(reg,shift,mask,invert) ((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | ((invert) << 24))
26 #define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) (AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26))
27 #define AC97_SINGLE(xname, reg, shift, mask, invert) \
28 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_volsw, \
29 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
30 .private_value = AC97_SINGLE_VALUE(reg, shift, mask, invert) }
31 #define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page) \
32 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_volsw, \
33 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
34 .private_value = AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) }
35 #define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
36 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_ac97_info_volsw, \
37 .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
38 .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
39
40 /* enum control */
41 struct ac97_enum {
42 unsigned char reg;
43 unsigned char shift_l;
44 unsigned char shift_r;
45 unsigned short mask;
46 const char **texts;
47 };
48
49 #define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
50 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
51 .mask = xmask, .texts = xtexts }
52 #define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
53 AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
54 #define AC97_ENUM(xname, xenum) \
55 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_enum_double, \
56 .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
57 .private_value = (unsigned long)&xenum }
58
59 /* ac97_codec.c */
60 extern const struct snd_kcontrol_new snd_ac97_controls_3d[];
61 extern const struct snd_kcontrol_new snd_ac97_controls_spdif[];
62 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97);
63 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem);
64 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
65 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
66 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
67 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);
68 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix);
69 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix);
70 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix);
71 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst);
72 void snd_ac97_restore_status(struct snd_ac97 *ac97);
73 void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
74 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
75 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
76 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
77
78 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
79 unsigned short mask, unsigned short value);
80
81 /* ac97_proc.c */
82 #ifdef CONFIG_PROC_FS
83 void snd_ac97_bus_proc_init(struct snd_ac97_bus * ac97);
84 void snd_ac97_bus_proc_done(struct snd_ac97_bus * ac97);
85 void snd_ac97_proc_init(struct snd_ac97 * ac97);
86 void snd_ac97_proc_done(struct snd_ac97 * ac97);
87 #else
88 #define snd_ac97_bus_proc_init(ac97_bus_t) do { } while (0)
89 #define snd_ac97_bus_proc_done(ac97_bus_t) do { } while (0)
90 #define snd_ac97_proc_init(ac97_t) do { } while (0)
91 #define snd_ac97_proc_done(ac97_t) do { } while (0)
92 #endif
93
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