sound/pci/ac97/ac97_patch.h

   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 static void snd_ac97_restore_status(struct snd_ac97 *ac97);
  87 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
  88 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
  89                                      struct snd_ctl_elem_info *uinfo);
  90 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
  91                                     struct snd_ctl_elem_value *ucontrol);
  92 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
  93                                     struct snd_ctl_elem_value *ucontrol);