sound/pci/ac97/ac97_patch.h

   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 */
  32 struct 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 */
  52 static const struct snd_kcontrol_new snd_ac97_controls_3d[];
  53 static const struct snd_kcontrol_new snd_ac97_controls_spdif[];
  54 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
  55                                           struct snd_ac97 * ac97);
  56 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
  57                                struct snd_ctl_elem_info *uinfo);
  58 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
  59                               struct snd_ctl_elem_value *ucontrol);
  60 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
  61                               struct snd_ctl_elem_value *ucontrol);
  62 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit);
  63 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
  64                                const char *suffix);
  65 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
  66                                const char *dst, const char *suffix);
  67 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
  68                              const char *s2, const char *suffix);
  69 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
  70                                     const char *dst);
  71 #ifdef CONFIG_PM
  72 static void snd_ac97_restore_status(struct snd_ac97 *ac97);
  73 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97);
  74 #endif
  75 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
  76                                      struct snd_ctl_elem_info *uinfo);
  77 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
  78                                     struct snd_ctl_elem_value *ucontrol);
  79 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
  80                                     struct snd_ctl_elem_value *ucontrol);