MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
MODULE_LICENSE("GPL");
-void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val)
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+ unsigned char val)
{
ak->ops.lock(ak, chip);
ak->ops.write(ak, chip, reg, val);
ak->ops.unlock(ak, chip);
}
+EXPORT_SYMBOL(snd_akm4xxx_write);
+
+/* reset procedure for AK4524 and AK4528 */
+static void ak4524_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg, maxreg;
+
+ if (ak->type == SND_AK4528)
+ maxreg = 0x06;
+ else
+ maxreg = 0x08;
+ for (chip = 0; chip < ak->num_dacs/2; chip++) {
+ snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
+ if (state)
+ continue;
+ /* DAC volumes */
+ for (reg = 0x04; reg < maxreg; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ if (ak->type == SND_AK4528)
+ continue;
+ /* IPGA */
+ for (reg = 0x04; reg < 0x06; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get_ipga(ak, chip, reg));
+ }
+}
+
+/* reset procedure for AK4355 and AK4358 */
+static void ak4355_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned char reg;
+
+ if (state) {
+ snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
+ return;
+ }
+ for (reg = 0x00; reg < 0x0b; reg++)
+ if (reg != 0x01)
+ snd_akm4xxx_write(ak, 0, reg,
+ snd_akm4xxx_get(ak, 0, reg));
+ snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
+}
+
+/* reset procedure for AK4381 */
+static void ak4381_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg;
+
+ for (chip = 0; chip < ak->num_dacs/2; chip++) {
+ snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
+ if (state)
+ continue;
+ for (reg = 0x01; reg < 0x05; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ }
+}
+
/*
* reset the AKM codecs
* @state: 1 = reset codec, 0 = restore the registers
*/
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
{
- unsigned int chip;
- unsigned char reg;
-
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
- for (chip = 0; chip < ak->num_dacs/2; chip++) {
- snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
- if (state)
- continue;
- /* DAC volumes */
- for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
- snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
- if (ak->type == SND_AK4528)
- continue;
- /* IPGA */
- for (reg = 0x04; reg < 0x06; reg++)
- snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
- }
+ ak4524_reset(ak, state);
break;
case SND_AK4529:
/* FIXME: needed for ak4529? */
break;
case SND_AK4355:
case SND_AK4358:
- if (state) {
- snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
- return;
- }
- for (reg = 0x00; reg < 0x0b; reg++)
- if (reg != 0x01)
- snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
- snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
+ ak4355_reset(ak, state);
break;
case SND_AK4381:
- for (chip = 0; chip < ak->num_dacs/2; chip++) {
- snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
- if (state)
- continue;
- for (reg = 0x01; reg < 0x05; reg++)
- snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
- }
+ ak4381_reset(ak, state);
break;
}
}
+EXPORT_SYMBOL(snd_akm4xxx_reset);
+
/*
* initialize all the ak4xxx chips
*/
};
static unsigned char inits_ak4355[] = {
0x01, 0x02, /* 1: reset and soft-mute */
- 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
+ 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+ * disable DZF, sharp roll-off, RSTN#=0 */
0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
// 0x02, 0x2e, /* quad speed */
0x03, 0x01, /* 3: de-emphasis off */
};
static unsigned char inits_ak4358[] = {
0x01, 0x02, /* 1: reset and soft-mute */
- 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
+ 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+ * disable DZF, sharp roll-off, RSTN#=0 */
0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
// 0x02, 0x2e, /* quad speed */
0x03, 0x01, /* 3: de-emphasis off */
};
static unsigned char inits_ak4381[] = {
0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
- 0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */
+ 0x01, 0x02, /* 1: de-emphasis off, normal speed,
+ * sharp roll-off, DZF off */
// 0x01, 0x12, /* quad speed */
0x02, 0x00, /* 2: DZF disabled */
0x03, 0x00, /* 3: LATT 0 */
}
}
+EXPORT_SYMBOL(snd_akm4xxx_init);
+
#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
#define AK_GET_ADDR(val) ((val) & 0xff)
#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f)
#define AK_GET_INVERT(val) (((val) >> 23) & 1)
#define AK_GET_MASK(val) (((val) >> 24) & 0xff)
-#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
+#define AK_COMPOSE(chip,addr,shift,mask) \
+ (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
#define AK_INVERT (1<<23)
static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
return change;
}
+static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char val = snd_akm4xxx_get(ak, chip, addr);
+
+ ucontrol->value.integer.value[0] = invert ? mask - val : val;
+
+ val = snd_akm4xxx_get(ak, chip, addr+1);
+ ucontrol->value.integer.value[1] = invert ? mask - val : val;
+
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
+ int change0, change1;
+
+ if (invert)
+ nval = mask - nval;
+ change0 = snd_akm4xxx_get(ak, chip, addr) != nval;
+ if (change0)
+ snd_akm4xxx_write(ak, chip, addr, nval);
+
+ nval = ucontrol->value.integer.value[1] % (mask+1);
+ if (invert)
+ nval = mask - nval;
+ change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval;
+ if (change1)
+ snd_akm4xxx_write(ak, chip, addr+1, nval);
+
+
+ return change0 || change1;
+}
+
static int snd_akm4xxx_ipga_gain_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
- ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
+ ucontrol->value.integer.value[0] =
+ snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
return 0;
}
uinfo->value.enumerated.items = 4;
if (uinfo->value.enumerated.item >= 4)
uinfo->value.enumerated.item = 3;
- strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
return 0;
}
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int shift = AK_GET_SHIFT(kcontrol->private_value);
- ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
+ ucontrol->value.enumerated.item[0] =
+ (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
return 0;
}
unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
int change;
- nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
+ nval = (nval << shift) |
+ (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
change = snd_akm4xxx_get(ak, chip, addr) != nval;
if (change)
snd_akm4xxx_write(ak, chip, addr, nval);
unsigned int idx, num_emphs;
struct snd_kcontrol *ctl;
int err;
+ int mixer_ch = 0;
+ int num_stereo;
ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
if (! ctl)
return -ENOMEM;
- for (idx = 0; idx < ak->num_dacs; ++idx) {
+ for (idx = 0; idx < ak->num_dacs; ) {
memset(ctl, 0, sizeof(*ctl));
- strcpy(ctl->id.name, "DAC Volume");
- ctl->id.index = idx + ak->idx_offset * 2;
+ if (ak->channel_names == NULL) {
+ strcpy(ctl->id.name, "DAC Volume");
+ num_stereo = 1;
+ ctl->id.index = mixer_ch + ak->idx_offset * 2;
+ } else {
+ strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
+ num_stereo = ak->num_stereo[mixer_ch];
+ ctl->id.index = 0;
+ }
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
ctl->count = 1;
- ctl->info = snd_akm4xxx_volume_info;
- ctl->get = snd_akm4xxx_volume_get;
- ctl->put = snd_akm4xxx_volume_put;
+ if (num_stereo == 2) {
+ ctl->info = snd_akm4xxx_stereo_volume_info;
+ ctl->get = snd_akm4xxx_stereo_volume_get;
+ ctl->put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ ctl->info = snd_akm4xxx_volume_info;
+ ctl->get = snd_akm4xxx_volume_get;
+ ctl->put = snd_akm4xxx_volume_put;
+ }
switch (ak->type) {
case SND_AK4524:
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
+ /* register 6 & 7 */
+ ctl->private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
break;
case SND_AK4528:
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
+ /* register 4 & 5 */
+ ctl->private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
break;
case SND_AK4529: {
- int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
- ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
+ /* registers 2-7 and b,c */
+ int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
+ ctl->private_value =
+ AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
break;
}
case SND_AK4355:
- ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
+ /* register 4-9, chip #0 only */
+ ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
break;
case SND_AK4358:
if (idx >= 6)
- ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */
+ /* register 4-9, chip #0 only */
+ ctl->private_value =
+ AK_COMPOSE(0, idx + 5, 0, 255);
else
- ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
+ /* register 4-9, chip #0 only */
+ ctl->private_value =
+ AK_COMPOSE(0, idx + 4, 0, 255);
break;
case SND_AK4381:
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */
+ /* register 3 & 4 */
+ ctl->private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
break;
default:
err = -EINVAL;
goto __error;
}
+
ctl->private_data = ak;
- if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+ err = snd_ctl_add(ak->card,
+ snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+ SNDRV_CTL_ELEM_ACCESS_WRITE));
+ if (err < 0)
goto __error;
+
+ idx += num_stereo;
+ mixer_ch++;
}
for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
memset(ctl, 0, sizeof(*ctl));
ctl->info = snd_akm4xxx_volume_info;
ctl->get = snd_akm4xxx_volume_get;
ctl->put = snd_akm4xxx_volume_put;
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
+ /* register 4 & 5 */
+ ctl->private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
ctl->private_data = ak;
- if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+ err = snd_ctl_add(ak->card,
+ snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+ SNDRV_CTL_ELEM_ACCESS_WRITE));
+ if (err < 0)
goto __error;
memset(ctl, 0, sizeof(*ctl));
ctl->info = snd_akm4xxx_ipga_gain_info;
ctl->get = snd_akm4xxx_ipga_gain_get;
ctl->put = snd_akm4xxx_ipga_gain_put;
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */
+ /* register 4 & 5 */
+ ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
ctl->private_data = ak;
- if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+ err = snd_ctl_add(ak->card,
+ snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+ SNDRV_CTL_ELEM_ACCESS_WRITE));
+ if (err < 0)
goto __error;
}
if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
- ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */
+ /* register 3 */
+ ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
break;
case SND_AK4529: {
int shift = idx == 3 ? 6 : (2 - idx) * 2;
- ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */
+ /* register 8 with shift */
+ ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
break;
}
case SND_AK4355:
break;
}
ctl->private_data = ak;
- if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+ err = snd_ctl_add(ak->card,
+ snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+ SNDRV_CTL_ELEM_ACCESS_WRITE));
+ if (err < 0)
goto __error;
}
err = 0;
return err;
}
+EXPORT_SYMBOL(snd_akm4xxx_build_controls);
+
static int __init alsa_akm4xxx_module_init(void)
{
return 0;
module_init(alsa_akm4xxx_module_init)
module_exit(alsa_akm4xxx_module_exit)
-
-EXPORT_SYMBOL(snd_akm4xxx_write);
-EXPORT_SYMBOL(snd_akm4xxx_reset);
-EXPORT_SYMBOL(snd_akm4xxx_init);
-EXPORT_SYMBOL(snd_akm4xxx_build_controls);
git://git.onelab.eu / linux-2.6.git / blobdiff