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;
}
/*
* change the rate of AK4524 on VX442
*/
static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
{
unsigned char val;
val = (rate > 48000) ? 0x65 : 0x60;
if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
snd_akm4xxx_get(ak, 1, 0x02) != val) {
snd_akm4xxx_reset(ak, 1);
snd_akm4xxx_write(ak, 0, 0x02, val);
snd_akm4xxx_write(ak, 1, 0x02, val);
snd_akm4xxx_reset(ak, 0);
}
}
static int snd_akm4xxx_deemphasis_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 shift = AK_GET_SHIFT(kcontrol->private_value);
unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
int change;
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);
return change;
}
/* 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 the AKM codecs
* @state: 1 = reset codec, 0 = restore the registers
*
* assert the reset operation and restores the register values to the chips.
*/
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));
}
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 */
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));
}
break;
}
}
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 void proc_regs_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_akm4xxx *ak = entry->private_data;
int reg, val, chip;
for (chip = 0; chip < ak->num_chips; chip++) {
for (reg = 0; reg < ak->total_regs; reg++) {
val = snd_akm4xxx_get(ak, chip, reg);
snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip,
reg, val);
}
}
}
/* 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 < ak->total_regs; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
}
}
static int ak4xxx_capture_source_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 mask = AK_GET_MASK(kcontrol->private_value);
unsigned char val;
val = snd_akm4xxx_get(ak, chip, addr) & mask;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
/* reset procedure for AK4355 and AK4358 */
static void ak435X_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 < ak->total_regs; 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 AK4524 and AK4528 */
static void ak4524_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, 0x01, state ? 0x00 : 0x03);
if (state)
continue;
/* DAC volumes */
for (reg = 0x04; reg < ak->total_regs; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
}
}
static int ak4xxx_switch_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 shift = AK_GET_SHIFT(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
/* we observe the (1<<shift) bit only */
unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
if (invert)
val = ! val;
ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
return 0;
}
static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int mask = AK_GET_MASK(kcontrol->private_value);
unsigned char oval, val;
int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
if (ucontrol->value.enumerated.item[0] >= num_names)
return -EINVAL;
oval = snd_akm4xxx_get(ak, chip, addr);
val = oval & ~mask;
val |= ucontrol->value.enumerated.item[0] & mask;
if (val != oval) {
snd_akm4xxx_write(ak, chip, addr, val);
return 1;
}
return 0;
}
static int ak4xxx_switch_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 shift = AK_GET_SHIFT(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
long flag = ucontrol->value.integer.value[0];
unsigned char val, oval;
int change;
if (invert)
flag = ! flag;
oval = snd_akm4xxx_get(ak, chip, addr);
if (flag)
val = oval | (1<<shift);
else
val = oval & ~(1<<shift);
change = (oval != val);
if (change)
snd_akm4xxx_write(ak, chip, addr, val);
return change;
}
static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
unsigned char nval)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
int chip = AK_GET_CHIP(kcontrol->private_value);
if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
return 0;
snd_akm4xxx_set_vol(ak, chip, addr, nval);
if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
nval = vol_cvt_datt[nval];
if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
if (AK_GET_INVERT(kcontrol->private_value))
nval = mask - nval;
if (AK_GET_NEEDSMSB(kcontrol->private_value))
nval |= 0x80;
#ifdef CONFIG_DEBUG_PRINTK
/* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x,
nval %x\n", chip, addr, nval); */
#else
/* ;
#endif
snd_akm4xxx_write(ak, chip, addr, nval);
return 1;
}
static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned int val = ucontrol->value.integer.value[0];
if (val > mask)
return -EINVAL;
return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val);
}
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);
ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
return 0;
}
static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int addr = AK_GET_ADDR(kcontrol->private_value);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned int val[2];
int change;
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > mask || val[1] > mask)
return -EINVAL;
change = put_ak_reg(kcontrol, addr, val[0]);
change |= put_ak_reg(kcontrol, addr + 1, val[1]);
return change;
}
static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[4] = {
"44.1kHz", "Off", "48kHz", "32kHz",
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
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]);
return 0;
}
static int snd_akm4xxx_deemphasis_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 shift = AK_GET_SHIFT(kcontrol->private_value);
ucontrol->value.enumerated.item[0] =
(snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
return 0;
}
static int snd_akm4xxx_deemphasis_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 shift = AK_GET_SHIFT(kcontrol->private_value);
unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
int change;
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);
return change;
}
#define ak4xxx_switch_info snd_ctl_boolean_mono_info
static int ak4xxx_switch_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 shift = AK_GET_SHIFT(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
/* we observe the (1<<shift) bit only */
unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
if (invert)
val = ! val;
ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
return 0;
}
