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[ALSA] Add dB scale information to ad1848 driver

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Added the dB scale information to ad1848 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-08-22 13:16:25 +02:00 committed by Jaroslav Kysela
parent 0e7febf158
commit eac06a10d2
2 changed files with 50 additions and 21 deletions
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22
include/sound/ad1848.h
View file

@ -179,14 +179,13 @@ enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE };
#define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \
((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22))
int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value);
/* for ease of use */
struct ad1848_mix_elem {
const char *name;
int index;
int type;
unsigned long private_value;
unsigned int *tlv;
};
#define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \
@ -195,15 +194,26 @@ struct ad1848_mix_elem {
.type = AD1848_MIX_SINGLE, \
.private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) }
#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_SINGLE, \
.private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \
.tlv = xtlv }
#define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_DOUBLE, \
.private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) }
static inline int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c)
{
return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value);
}
#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
{ .name = xname, \
.index = xindex, \
.type = AD1848_MIX_DOUBLE, \
.private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \
.tlv = xtlv }
int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c);
#endif /* __SOUND_AD1848_H */

49
sound/isa/ad1848/ad1848_lib.c
View file

@ -29,6 +29,7 @@
#include <sound/core.h>
#include <sound/ad1848.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm_params.h>
#include <asm/io.h>
@ -118,6 +119,8 @@ void snd_ad1848_out(struct snd_ad1848 *chip,
#endif
}
EXPORT_SYMBOL(snd_ad1848_out);
static void snd_ad1848_dout(struct snd_ad1848 *chip,
unsigned char reg, unsigned char value)
{
@ -941,6 +944,8 @@ int snd_ad1848_create(struct snd_card *card,
return 0;
}
EXPORT_SYMBOL(snd_ad1848_create);
static struct snd_pcm_ops snd_ad1848_playback_ops = {
.open = snd_ad1848_playback_open,
.close = snd_ad1848_playback_close,
@ -988,12 +993,16 @@ int snd_ad1848_pcm(struct snd_ad1848 *chip, int device, struct snd_pcm **rpcm)
return 0;
}
EXPORT_SYMBOL(snd_ad1848_pcm);
const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction)
{
return direction == SNDRV_PCM_STREAM_PLAYBACK ?
&snd_ad1848_playback_ops : &snd_ad1848_capture_ops;
}
EXPORT_SYMBOL(snd_ad1848_get_pcm_ops);
/*
* MIXER part
*/
@ -1171,7 +1180,8 @@ static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e
/*
*/
int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value)
int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip,
const struct ad1848_mix_elem *c)
{
static struct snd_kcontrol_new newctls[] = {
[AD1848_MIX_SINGLE] = {
@ -1196,32 +1206,46 @@ int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int
struct snd_kcontrol *ctl;
int err;
ctl = snd_ctl_new1(&newctls[type], chip);
ctl = snd_ctl_new1(&newctls[c->type], chip);
if (! ctl)
return -ENOMEM;
strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
ctl->id.index = index;
ctl->private_value = value;
strlcpy(ctl->id.name, c->name, sizeof(ctl->id.name));
ctl->id.index = c->index;
ctl->private_value = c->private_value;
if (c->tlv) {
ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
ctl->tlv.p = c->tlv;
}
if ((err = snd_ctl_add(chip->card, ctl)) < 0)
return err;
return 0;
}
EXPORT_SYMBOL(snd_ad1848_add_ctl_elem);
static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
static struct ad1848_mix_elem snd_ad1848_controls[] = {
AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1),
AD1848_DOUBLE("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1),
AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1,
db_scale_6bit),
AD1848_DOUBLE("Aux Playback Switch", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
AD1848_DOUBLE("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
AD1848_DOUBLE_TLV("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
db_scale_5bit_12db_max),
AD1848_DOUBLE("Aux Playback Switch", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
AD1848_DOUBLE("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
AD1848_DOUBLE("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0),
AD1848_DOUBLE_TLV("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
db_scale_5bit_12db_max),
AD1848_DOUBLE_TLV("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0,
db_scale_rec_gain),
{
.name = "Capture Source",
.type = AD1848_MIX_CAPTURE,
},
AD1848_SINGLE("Loopback Capture Switch", 0, AD1848_LOOPBACK, 0, 1, 0),
AD1848_SINGLE("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0)
AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0,
db_scale_6bit),
};
int snd_ad1848_mixer(struct snd_ad1848 *chip)
@ -1245,12 +1269,7 @@ int snd_ad1848_mixer(struct snd_ad1848 *chip)
return 0;
}
EXPORT_SYMBOL(snd_ad1848_out);
EXPORT_SYMBOL(snd_ad1848_create);
EXPORT_SYMBOL(snd_ad1848_pcm);
EXPORT_SYMBOL(snd_ad1848_get_pcm_ops);
EXPORT_SYMBOL(snd_ad1848_mixer);
EXPORT_SYMBOL(snd_ad1848_add_ctl);
/*
* INIT part