- 根目录:
- sound
- isa
- msnd
- msnd_pinnacle_mixer.c
/***************************************************************************
msnd_pinnacle_mixer.c - description
-------------------
begin : Fre Jun 7 2002
copyright : (C) 2002 by karsten wiese
email : annabellesgarden@yahoo.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. *
* *
***************************************************************************/
#include <linux/io.h>
#include <linux/export.h>
#include <sound/core.h>
#include <sound/control.h>
#include "msnd.h"
#include "msnd_pinnacle.h"
#define MSND_MIXER_VOLUME 0
#define MSND_MIXER_PCM 1
#define MSND_MIXER_AUX 2 /* Input source 1 (aux1) */
#define MSND_MIXER_IMIX 3 /* Recording monitor */
#define MSND_MIXER_SYNTH 4
#define MSND_MIXER_SPEAKER 5
#define MSND_MIXER_LINE 6
#define MSND_MIXER_MIC 7
#define MSND_MIXER_RECLEV 11 /* Recording level */
#define MSND_MIXER_IGAIN 12 /* Input gain */
#define MSND_MIXER_OGAIN 13 /* Output gain */
#define MSND_MIXER_DIGITAL 17 /* Digital (input) 1 */
/* Device mask bits */
#define MSND_MASK_VOLUME (1 << MSND_MIXER_VOLUME)
#define MSND_MASK_SYNTH (1 << MSND_MIXER_SYNTH)
#define MSND_MASK_PCM (1 << MSND_MIXER_PCM)
#define MSND_MASK_SPEAKER (1 << MSND_MIXER_SPEAKER)
#define MSND_MASK_LINE (1 << MSND_MIXER_LINE)
#define MSND_MASK_MIC (1 << MSND_MIXER_MIC)
#define MSND_MASK_IMIX (1 << MSND_MIXER_IMIX)
#define MSND_MASK_RECLEV (1 << MSND_MIXER_RECLEV)
#define MSND_MASK_IGAIN (1 << MSND_MIXER_IGAIN)
#define MSND_MASK_OGAIN (1 << MSND_MIXER_OGAIN)
#define MSND_MASK_AUX (1 << MSND_MIXER_AUX)
#define MSND_MASK_DIGITAL (1 << MSND_MIXER_DIGITAL)
static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[3] = {
"Analog", "MASS", "SPDIF",
};
struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = items;
if (uinfo->value.enumerated.item >= items)
uinfo->value.enumerated.item = items - 1;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
/* MSND_MASK_IMIX is the default */
ucontrol->value.enumerated.item[0] = 0;
if (chip->recsrc & MSND_MASK_SYNTH) {
ucontrol->value.enumerated.item[0] = 1;
} else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
test_bit(F_HAVEDIGITAL, &chip->flags)) {
ucontrol->value.enumerated.item[0] = 2;
}
return 0;
}
static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
{
unsigned newrecsrc;
int change;
unsigned char msndbyte;
switch (val) {
case 0:
newrecsrc = MSND_MASK_IMIX;
msndbyte = HDEXAR_SET_ANA_IN;
break;
case 1:
newrecsrc = MSND_MASK_SYNTH;
msndbyte = HDEXAR_SET_SYNTH_IN;
break;
case 2:
newrecsrc = MSND_MASK_DIGITAL;
msndbyte = HDEXAR_SET_DAT_IN;
break;
default:
return -EINVAL;
}
change = newrecsrc != chip->recsrc;
if (change) {
change = 0;
if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
chip->recsrc = newrecsrc;
change = 1;
}
}
return change;
}
static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
}
static int snd_msndmix_volume_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 = 100;
return 0;
}
static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
int addr = kcontrol->private_value;
unsigned long flags;
spin_lock_irqsave(&msnd->mixer_lock, flags);
ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
ucontrol->value.integer.value[0] /= 0xFFFF;
ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
ucontrol->value.integer.value[1] /= 0xFFFF;
spin_unlock_irqrestore(&msnd->mixer_lock, flags);
return 0;
}
#define update_volm(a, b) \
do { \
writew((dev->left_levels[a] >> 1) * \
readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
dev->SMA + SMA_##b##Left); \
writew((dev->right_levels[a] >> 1) * \
readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
dev->SMA + SMA_##b##Right); \
} while (0);
#define update_potm(d, s, ar) \
do { \
writeb((dev->left_levels[d] >> 8) * \
readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
dev->SMA + SMA_##s##Left); \
writeb((dev->right_levels[d] >> 8) * \
readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
dev->SMA + SMA_##s##Right); \
if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
} while (0);
#define update_pot(d, s, ar) \
do { \
writeb(dev->left_levels[d] >> 8, \
dev->SMA + SMA_##s##Left); \
writeb(dev->right_levels[d] >> 8, \
dev->SMA + SMA_##s##Right); \
if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
} while (0);
static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
{
int bLeft, bRight;
int wLeft, wRight;
int updatemaster = 0;
if (d >= LEVEL_ENTRIES)
return -EINVAL;
bLeft = left * 0xff / 100;
wLeft = left * 0xffff / 100;
bRight = right * 0xff / 100;
wRight = right * 0xffff / 100;
dev->left_levels[d] = wLeft;
dev->right_levels[d] = wRight;
switch (d) {
/* master volume unscaled controls */
case MSND_MIXER_LINE: /* line pot control */
/* scaled by IMIX in digital mix */
writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
writeb(bRight, dev->SMA + SMA_bInPotPosRight);
if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
break;
case MSND_MIXER_MIC: /* mic pot control */
if (dev->type == msndClassic)
return -EINVAL;
/* scaled by IMIX in digital mix */
writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
break;
case MSND_MIXER_VOLUME: /* master volume */
writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
/* fall through */
case MSND_MIXER_AUX: /* aux pot control */
/* scaled by master volume */
/* fall through */
/* digital controls */
case MSND_MIXER_SYNTH: /* synth vol (dsp mix) */
case MSND_MIXER_PCM: /* pcm vol (dsp mix) */
case MSND_MIXER_IMIX: /* input monitor (dsp mix) */
/* scaled by master volume */
updatemaster = 1;
break;
default:
return -EINVAL;
}
if (updatemaster) {
/* update master volume scaled controls */
update_volm(MSND_MIXER_PCM, wCurrPlayVol);
update_volm(MSND_MIXER_IMIX, wCurrInVol);
if (dev->type == msndPinnacle)
update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
}
return 0;
}
static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
int change, addr = kcontrol->private_value;
int left, right;
unsigned long flags;
left = ucontrol->value.integer.value[0] % 101;
right = ucontrol->value.integer.value[1] % 101;
spin_lock_irqsave(&msnd->mixer_lock, flags);
change = msnd->left_levels[addr] != left
|| msnd->right_levels[addr] != right;
snd_msndmix_set(msnd, addr, left, right);
spin_unlock_irqrestore(&msnd->mixer_lock, flags);
return change;
}
#define DUMMY_VOLUME(xname, xindex, addr) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_msndmix_volume_info, \
.get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
.private_value = addr }
static struct snd_kcontrol_new snd_msnd_controls[] = {
DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = snd_msndmix_info_mux,
.get = snd_msndmix_get_mux,
.put = snd_msndmix_put_mux,
}
};
int __devinit snd_msndmix_new(struct snd_card *card)
{
struct snd_msnd *chip = card->private_data;
unsigned int idx;
int err;
if (snd_BUG_ON(!chip))
return -EINVAL;
spin_lock_init(&chip->mixer_lock);
strcpy(card->mixername, "MSND Pinnacle Mixer");
for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++)
err = snd_ctl_add(card,
snd_ctl_new1(snd_msnd_controls + idx, chip));
if (err < 0)
return err;
return 0;
}
EXPORT_SYMBOL(snd_msndmix_new);
void snd_msndmix_setup(struct snd_msnd *dev)
{
update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
update_volm(MSND_MIXER_PCM, wCurrPlayVol);
update_volm(MSND_MIXER_IMIX, wCurrInVol);
if (dev->type == msndPinnacle) {
update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
}
}
EXPORT_SYMBOL(snd_msndmix_setup);
int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
{
dev->recsrc = -1;
return snd_msndmix_set_mux(dev, recsrc);
}
EXPORT_SYMBOL(snd_msndmix_force_recsrc);