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TOMOYO Linux Cross Reference
Linux/sound/pci/ac97/ac97_patch.h

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  1 /*
  2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  3  *  Universal interface for Audio Codec '97
  4  *
  5  *  For more details look to AC '97 component specification revision 2.2
  6  *  by Intel Corporation (http://developer.intel.com).
  7  *
  8  *
  9  *   This program is free software; you can redistribute it and/or modify
 10  *   it under the terms of the GNU General Public License as published by
 11  *   the Free Software Foundation; either version 2 of the License, or
 12  *   (at your option) any later version.
 13  *
 14  *   This program is distributed in the hope that it will be useful,
 15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17  *   GNU General Public License for more details.
 18  *
 19  *   You should have received a copy of the GNU General Public License
 20  *   along with this program; if not, write to the Free Software
 21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 22  *
 23  */
 24 
 25 #define AC97_SINGLE_VALUE(reg,shift,mask,invert) \
 26         ((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | \
 27          ((invert) << 24))
 28 #define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) \
 29         (AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26))
 30 #define AC97_SINGLE(xname, reg, shift, mask, invert) \
 31 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 32   .info = snd_ac97_info_volsw,          \
 33   .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
 34   .private_value =  AC97_SINGLE_VALUE(reg, shift, mask, invert) }
 35 #define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page)         \
 36 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 37   .info = snd_ac97_info_volsw,          \
 38   .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
 39   .private_value =  AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) }
 40 #define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 41 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 42   .info = snd_ac97_info_volsw,          \
 43   .get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \
 44   .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
 45 
 46 /* enum control */
 47 struct ac97_enum {
 48         unsigned char reg;
 49         unsigned char shift_l;
 50         unsigned char shift_r;
 51         unsigned short mask;
 52         const char **texts;
 53 };
 54 
 55 #define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
 56 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 57   .mask = xmask, .texts = xtexts }
 58 #define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
 59         AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
 60 #define AC97_ENUM(xname, xenum) \
 61 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 62   .info = snd_ac97_info_enum_double,                \
 63   .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
 64   .private_value = (unsigned long)&xenum }
 65 
 66 /* ac97_codec.c */
 67 static const struct snd_kcontrol_new snd_ac97_controls_3d[];
 68 static const struct snd_kcontrol_new snd_ac97_controls_spdif[];
 69 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
 70                                           struct snd_ac97 * ac97);
 71 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
 72                                struct snd_ctl_elem_info *uinfo);
 73 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
 74                               struct snd_ctl_elem_value *ucontrol);
 75 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
 76                               struct snd_ctl_elem_value *ucontrol);
 77 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);
 78 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
 79                                const char *suffix);
 80 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
 81                                const char *dst, const char *suffix);
 82 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
 83                              const char *s2, const char *suffix);
 84 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
 85                                     const char *dst);
 86 #ifdef CONFIG_PM
 87 static void snd_ac97_restore_status(struct snd_ac97 *ac97);
 88 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
 89 #endif
 90 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
 91                                      struct snd_ctl_elem_info *uinfo);
 92 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
 93                                     struct snd_ctl_elem_value *ucontrol);
 94 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
 95                                     struct snd_ctl_elem_value *ucontrol);
 96 

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