static inline void aic33_configure()
{
DPRINTK(" CONFIGURING AIC33\n");
/* Page select register */
audio_aic33_write(REGISTER_ADDR0, 0x0);
/* audio_aic33_write(REGISTER_ADDR38, 0x10); */
davinci_set_mono_stereo(aic33_local.nochan);
#ifdef AIC33_MASTER
/* Enable bit and word clock as Master mode, 3-d disabled */
audio_aic33_write(REGISTER_ADDR8, 0xc0 /*0xc4 */ );
#endif
aic33_update(SET_LINE, aic33_local.line);
aic33_update(SET_VOLUME, aic33_local.volume);
aic33_update(SET_RECSRC, aic33_local.recsrc);
aic33_update(SET_IGAIN, aic33_local.igain);
aic33_update(SET_OGAIN, aic33_local.ogain);
aic33_update(SET_MICBIAS, aic33_local.micbias);
}
static int
mixer_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
{
int val;
int ret = 0;
int nr = _IOC_NR(cmd);
/*
* We only accept mixer (type 'M') ioctls.
*/
if (_IOC_TYPE(cmd) != 'M')
return -EINVAL;
DPRINTK(" 0x%08x\n", cmd);
if (cmd == SOUND_MIXER_INFO) {
struct mixer_info mi;
strncpy(mi.id, "AIC33", sizeof(mi.id));
strncpy(mi.name, "TI AIC33", sizeof(mi.name));
mi.modify_counter = aic33_local.mod_cnt;
return copy_to_user((void *)arg, &mi, sizeof(mi));
}
if (_IOC_DIR(cmd) & _IOC_WRITE) {
ret = get_user(val, (int *)arg);
if (ret)
goto out;
switch (nr) {
case SOUND_MIXER_VOLUME:
aic33_local.mod_cnt++;
ret = aic33_update(SET_VOLUME, val);
if (!ret)
aic33_local.volume = val;
break;
case SOUND_MIXER_LINE:
aic33_local.mod_cnt++;
ret = aic33_update(SET_LINE, val);
if (!ret)
aic33_local.line = val;
break;
case SOUND_MIXER_MIC:
aic33_local.mod_cnt++;
ret = aic33_update(SET_MIC, val);
if (!ret)
aic33_local.mic = val;
break;
case SOUND_MIXER_RECSRC:
if ((val & SOUND_MASK_LINE) ||
(val & SOUND_MASK_MIC)) {
if (aic33_local.recsrc != val) {
aic33_local.mod_cnt++;
aic33_update(SET_RECSRC, val);
}
}
else {
ret = -EINVAL;
}
break;
case SOUND_MIXER_BASS:
aic33_local.mod_cnt++;
ret = aic33_update(SET_BASS, val);
if (!ret)
aic33_local.bass = val;
break;
case SOUND_MIXER_TREBLE:
aic33_local.mod_cnt++;
ret = aic33_update(SET_TREBLE, val);
if (!ret)
aic33_local.treble = val;
break;
case SOUND_MIXER_IGAIN:
aic33_local.mod_cnt++;
ret = aic33_update(SET_IGAIN, val);
if (!ret)
aic33_local.igain = val;
break;
case SOUND_MIXER_OGAIN:
aic33_local.mod_cnt++;
ret = aic33_update(SET_OGAIN, val);
if (!ret)
aic33_local.ogain = val;
break;
case SOUND_MIXER_MICBIAS:
aic33_local.mod_cnt++;
ret = aic33_update(SET_MICBIAS, val);
if (!ret)
aic33_local.micbias = val;
break;
default:
ret = -EINVAL;
}
}
if (ret == 0 && _IOC_DIR(cmd) & _IOC_READ) {
ret = 0;
switch (nr) {
case SOUND_MIXER_VOLUME:
val = aic33_local.volume;
break;
case SOUND_MIXER_LINE:
val = aic33_local.line;
break;
case SOUND_MIXER_MIC:
val = aic33_local.mic;
break;
case SOUND_MIXER_RECSRC:
val = aic33_local.recsrc;
break;
case SOUND_MIXER_RECMASK:
val = REC_MASK;
break;
case SOUND_MIXER_IGAIN:
val = aic33_local.igain;
break;
case SOUND_MIXER_OGAIN:
val = aic33_local.ogain;
break;
case SOUND_MIXER_DEVMASK:
val = DEV_MASK;
break;
case SOUND_MIXER_BASS:
val = aic33_local.bass;
break;
case SOUND_MIXER_TREBLE:
val = aic33_local.treble;
break;
case SOUND_MIXER_CAPS:
val = 0;
break;
case SOUND_MIXER_STEREODEVS:
val = SOUND_MASK_VOLUME;
break;
case SOUND_MIXER_MICBIAS:
val = aic33_local.micbias;
break;
default:
val = 0;
ret = -EINVAL;
break;
}
if (ret == 0)
ret = put_user(val, (int *)arg);
}
out:
return ret;
}
