ac97_patch.h (3698B)
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 */ 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_PM 72static void snd_ac97_restore_status(struct snd_ac97 *ac97); 73static void snd_ac97_restore_iec958(struct snd_ac97 *ac97); 74#endif 75static 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);