1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
4 | * Universal interface for Audio Codec '97 |
5 | * |
6 | * For more details look to AC '97 component specification revision 2.2 |
7 | * by Intel Corporation (http://developer.intel.com). |
8 | */ |
9 | |
10 | #define AC97_SINGLE_VALUE(reg,shift,mask,invert) \ |
11 | ((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | \ |
12 | ((invert) << 24)) |
13 | #define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) \ |
14 | (AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26)) |
15 | #define AC97_SINGLE(xname, reg, shift, mask, invert) \ |
16 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
17 | .info = snd_ac97_info_volsw, \ |
18 | .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
19 | .private_value = AC97_SINGLE_VALUE(reg, shift, mask, invert) } |
20 | #define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page) \ |
21 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
22 | .info = snd_ac97_info_volsw, \ |
23 | .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
24 | .private_value = AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) } |
25 | #define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ |
26 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
27 | .info = snd_ac97_info_volsw, \ |
28 | .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
29 | .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) } |
30 | |
31 | /* enum control */ |
32 | struct ac97_enum { |
33 | unsigned char reg; |
34 | unsigned char shift_l; |
35 | unsigned char shift_r; |
36 | unsigned short mask; |
37 | const char * const *texts; |
38 | }; |
39 | |
40 | #define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ |
41 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
42 | .mask = xmask, .texts = xtexts } |
43 | #define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ |
44 | AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) |
45 | #define AC97_ENUM(xname, xenum) \ |
46 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
47 | .info = snd_ac97_info_enum_double, \ |
48 | .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \ |
49 | .private_value = (unsigned long)&xenum } |
50 | |
51 | /* ac97_codec.c */ |
52 | static const struct snd_kcontrol_new snd_ac97_controls_3d[]; |
53 | static const struct snd_kcontrol_new snd_ac97_controls_spdif[]; |
54 | static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, |
55 | struct snd_ac97 * ac97); |
56 | static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, |
57 | struct snd_ctl_elem_info *uinfo); |
58 | static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, |
59 | struct snd_ctl_elem_value *ucontrol); |
60 | static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, |
61 | struct snd_ctl_elem_value *ucontrol); |
62 | static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit); |
63 | static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, |
64 | const char *suffix); |
65 | static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, |
66 | const char *dst, const char *suffix); |
67 | static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, |
68 | const char *s2, const char *suffix); |
69 | static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, |
70 | const char *dst); |
71 | #ifdef CONFIG_PM |
72 | static void snd_ac97_restore_status(struct snd_ac97 *ac97); |
73 | static void snd_ac97_restore_iec958(struct snd_ac97 *ac97); |
74 | #endif |
75 | static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, |
76 | struct snd_ctl_elem_info *uinfo); |
77 | static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, |
78 | struct snd_ctl_elem_value *ucontrol); |
79 | static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, |
80 | struct snd_ctl_elem_value *ucontrol); |
81 | |