mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 17:26:56 +07:00
a42dd420be
Modules: OPL4 Remove xxx_t typedefs from the OPL4 driver Signed-off-by: Takashi Iwai <tiwai@suse.de>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
|
|
* OPL4 mixer functions
|
|
* Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.de>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "opl4_local.h"
|
|
#include <sound/control.h>
|
|
|
|
static int snd_opl4_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 2;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 7;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_opl4_ctl_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_opl4 *opl4 = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
u8 reg = kcontrol->private_value;
|
|
u8 value;
|
|
|
|
spin_lock_irqsave(&opl4->reg_lock, flags);
|
|
value = snd_opl4_read(opl4, reg);
|
|
spin_unlock_irqrestore(&opl4->reg_lock, flags);
|
|
ucontrol->value.integer.value[0] = 7 - (value & 7);
|
|
ucontrol->value.integer.value[1] = 7 - ((value >> 3) & 7);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_opl4_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_opl4 *opl4 = snd_kcontrol_chip(kcontrol);
|
|
unsigned long flags;
|
|
u8 reg = kcontrol->private_value;
|
|
u8 value, old_value;
|
|
|
|
value = (7 - (ucontrol->value.integer.value[0] & 7)) |
|
|
((7 - (ucontrol->value.integer.value[1] & 7)) << 3);
|
|
spin_lock_irqsave(&opl4->reg_lock, flags);
|
|
old_value = snd_opl4_read(opl4, reg);
|
|
snd_opl4_write(opl4, reg, value);
|
|
spin_unlock_irqrestore(&opl4->reg_lock, flags);
|
|
return value != old_value;
|
|
}
|
|
|
|
static struct snd_kcontrol_new snd_opl4_controls[] = {
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "FM Playback Volume",
|
|
.info = snd_opl4_ctl_info,
|
|
.get = snd_opl4_ctl_get,
|
|
.put = snd_opl4_ctl_put,
|
|
.private_value = OPL4_REG_MIX_CONTROL_FM
|
|
},
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Wavetable Playback Volume",
|
|
.info = snd_opl4_ctl_info,
|
|
.get = snd_opl4_ctl_get,
|
|
.put = snd_opl4_ctl_put,
|
|
.private_value = OPL4_REG_MIX_CONTROL_PCM
|
|
}
|
|
};
|
|
|
|
int snd_opl4_create_mixer(struct snd_opl4 *opl4)
|
|
{
|
|
struct snd_card *card = opl4->card;
|
|
int i, err;
|
|
|
|
strcat(card->mixername, ",OPL4");
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
err = snd_ctl_add(card, snd_ctl_new1(&snd_opl4_controls[i], opl4));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|