| /* |
| * 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 char *snd_ac97_stereo_enhancements[]; |
| 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 |