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80 lines
3.6 KiB
80 lines
3.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (c) by Jaroslav Kysela <[email protected]> |
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* Universal interface for Audio Codec '97 |
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* |
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* For more details look to AC '97 component specification revision 2.2 |
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* by Intel Corporation (http://developer.intel.com). |
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*/ |
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#define AC97_SINGLE_VALUE(reg,shift,mask,invert) \ |
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((reg) | ((shift) << 8) | ((shift) << 12) | ((mask) << 16) | \ |
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((invert) << 24)) |
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#define AC97_PAGE_SINGLE_VALUE(reg,shift,mask,invert,page) \ |
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(AC97_SINGLE_VALUE(reg,shift,mask,invert) | (1<<25) | ((page) << 26)) |
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#define AC97_SINGLE(xname, reg, shift, mask, invert) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
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.info = snd_ac97_info_volsw, \ |
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.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
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.private_value = AC97_SINGLE_VALUE(reg, shift, mask, invert) } |
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#define AC97_PAGE_SINGLE(xname, reg, shift, mask, invert, page) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
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.info = snd_ac97_info_volsw, \ |
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.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
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.private_value = AC97_PAGE_SINGLE_VALUE(reg, shift, mask, invert, page) } |
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#define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
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.info = snd_ac97_info_volsw, \ |
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.get = snd_ac97_get_volsw, .put = snd_ac97_put_volsw, \ |
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.private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) } |
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/* enum control */ |
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struct ac97_enum { |
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unsigned char reg; |
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unsigned char shift_l; |
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unsigned char shift_r; |
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unsigned short mask; |
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const char * const *texts; |
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}; |
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#define AC97_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ |
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{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
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.mask = xmask, .texts = xtexts } |
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#define AC97_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ |
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AC97_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) |
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#define AC97_ENUM(xname, xenum) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
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.info = snd_ac97_info_enum_double, \ |
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.get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \ |
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.private_value = (unsigned long)&xenum } |
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/* ac97_codec.c */ |
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static const struct snd_kcontrol_new snd_ac97_controls_3d[]; |
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static const struct snd_kcontrol_new snd_ac97_controls_spdif[]; |
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static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, |
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struct snd_ac97 * ac97); |
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static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_info *uinfo); |
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static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol); |
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static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol); |
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static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit); |
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static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, |
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const char *suffix); |
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static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, |
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const char *dst, const char *suffix); |
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static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, |
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const char *s2, const char *suffix); |
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static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, |
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const char *dst); |
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#ifdef CONFIG_PM |
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static void snd_ac97_restore_status(struct snd_ac97 *ac97); |
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static void snd_ac97_restore_iec958(struct snd_ac97 *ac97); |
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#endif |
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static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_info *uinfo); |
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static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol); |
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static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol);
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