/* * Copyright (c) by Jaroslav Kysela <perex@suse.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). * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #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 **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 */ extern const struct snd_kcontrol_new snd_ac97_controls_3d[]; extern const struct snd_kcontrol_new snd_ac97_controls_spdif[]; struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97); void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem); int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit); int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix); int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix); int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix); void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst); void snd_ac97_restore_status(struct snd_ac97 *ac97); void snd_ac97_restore_iec958(struct snd_ac97 *ac97); int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value); /* ac97_proc.c */ #ifdef CONFIG_PROC_FS void snd_ac97_bus_proc_init(struct snd_ac97_bus * ac97); void snd_ac97_bus_proc_done(struct snd_ac97_bus * ac97); void snd_ac97_proc_init(struct snd_ac97 * ac97); void snd_ac97_proc_done(struct snd_ac97 * ac97); #else #define snd_ac97_bus_proc_init(ac97_bus_t) do { } while (0) #define snd_ac97_bus_proc_done(ac97_bus_t) do { } while (0) #define snd_ac97_proc_init(ac97_t) do { } while (0) #define snd_ac97_proc_done(ac97_t) do { } while (0) #endif