forked from Minki/linux
1a59d1b8e0
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
81 lines
3.6 KiB
C
81 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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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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