81 lines
3.6 KiB
C
81 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
|
|
* Universal interface for Audio Codec '97
|
|
*
|
|
* For more details look to AC '97 component specification revision 2.2
|
|
* by Intel Corporation (http://developer.intel.com).
|
|
*/
|
|
|
|
#define AC97_SINGLE_VALUE(reg,shift,mask,invert) \
|
|
((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | \
|
|
((invert) << 24))
|
|
#define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) \
|
|
(AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26))
|
|
#define AC97_SINGLE(xname, reg, shift, mask, invert) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
|
|
.info = snd_ac97_info_volsw, \
|
|
.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
|
|
.private_value = AC97_SINGLE_VALUE(reg, shift, mask, invert) }
|
|
#define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
|
|
.info = snd_ac97_info_volsw, \
|
|
.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
|
|
.private_value = AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) }
|
|
#define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
|
|
.info = snd_ac97_info_volsw, \
|
|
.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
|
|
.private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
|
|
|
|
/* enum control */
|
|
struct ac97_enum {
|
|
unsigned char reg;
|
|
unsigned char shift_l;
|
|
unsigned char shift_r;
|
|
unsigned short mask;
|
|
const char * const *texts;
|
|
};
|
|
|
|
#define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
|
|
{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
|
|
.mask = xmask, .texts = xtexts }
|
|
#define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
|
|
AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
|
|
#define AC97_ENUM(xname, xenum) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
|
|
.info = snd_ac97_info_enum_double, \
|
|
.get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
|
|
.private_value = (unsigned long)&xenum }
|
|
|
|
/* ac97_codec.c */
|
|
static const struct snd_kcontrol_new snd_ac97_controls_3d[];
|
|
static const struct snd_kcontrol_new snd_ac97_controls_spdif[];
|
|
static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
|
|
struct snd_ac97 * ac97);
|
|
static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo);
|
|
static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol);
|
|
static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol);
|
|
static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);
|
|
static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
|
|
const char *suffix);
|
|
static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
|
|
const char *dst, const char *suffix);
|
|
static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
|
|
const char *s2, const char *suffix);
|
|
static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
|
|
const char *dst);
|
|
#ifdef CONFIG_PM
|
|
static void snd_ac97_restore_status(struct snd_ac97 *ac97);
|
|
static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
|
|
#endif
|
|
static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo);
|
|
static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol);
|
|
static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol);
|