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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 '975 *6 * For more details look to AC '97 component specification revision 2.27 * 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 */32struct 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 */52static const struct snd_kcontrol_new snd_ac97_controls_3d[];53static const struct snd_kcontrol_new snd_ac97_controls_spdif[];54static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,55 struct snd_ac97 * ac97);56static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,57 struct snd_ctl_elem_info *uinfo);58static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,59 struct snd_ctl_elem_value *ucontrol);60static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,61 struct snd_ctl_elem_value *ucontrol);62static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);63static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,64 const char *suffix);65static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,66 const char *dst, const char *suffix);67static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,68 const char *s2, const char *suffix);69static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,70 const char *dst);71#ifdef CONFIG_PM72static void snd_ac97_restore_status(struct snd_ac97 *ac97);73static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);74#endif75static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,76 struct snd_ctl_elem_info *uinfo);77static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,78 struct snd_ctl_elem_value *ucontrol);79static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,80 struct snd_ctl_elem_value *ucontrol);81