static void snd_cs4236_suspend(struct snd_wss *chip)
{
int reg;
unsigned long flags;
spin_lock_irqsave(&chip->reg_lock, flags);
for (reg = 0; reg < 32; reg++)
chip->image[reg] = snd_wss_in(chip, reg);
for (reg = 0; reg < 18; reg++)
chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
for (reg = 2; reg < 9; reg++)
chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
spin_lock_irqsave(&chip->reg_lock, flags);
ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
#if 0
printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
"C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
snd_wss_in(chip, CS4231_ALT_FEATURE_1),
snd_cs4236_ctrl_in(chip, 3),
snd_cs4236_ctrl_in(chip, 4),
snd_cs4236_ctrl_in(chip, 5),
snd_cs4236_ctrl_in(chip, 6),
snd_cs4236_ctrl_in(chip, 8));
#endif
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0;
}
static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int change;
unsigned short enable, val;
enable = ucontrol->value.integer.value[0] & 1;
mutex_lock(&chip->mce_mutex);
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
change = val != chip->image[CS4231_ALT_FEATURE_1];
snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
snd_cs4236_ctrl_out(chip, 4, val);
udelay(100);
val &= ~0x40;
snd_cs4236_ctrl_out(chip, 4, val);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
mutex_unlock(&chip->mce_mutex);
#if 0
printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
"C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
snd_wss_in(chip, CS4231_ALT_FEATURE_1),
snd_cs4236_ctrl_in(chip, 3),
snd_cs4236_ctrl_in(chip, 4),
snd_cs4236_ctrl_in(chip, 5),
snd_cs4236_ctrl_in(chip, 6),
snd_cs4236_ctrl_in(chip, 8));
#endif
return change;
}
/*
* Create an AD1845 PCM subdevice on the SoundScape. The AD1845
* is very much like a CS4231, with a few extra bits. We will
* try to support at least some of the extra bits by overriding
* some of the CS4231 callback.
*/
static int __devinit create_ad1845(struct snd_card *card, unsigned port,
int irq, int dma1, int dma2)
{
register struct soundscape *sscape = get_card_soundscape(card);
struct snd_wss *chip;
int err;
if (sscape->type == SSCAPE_VIVO)
port += 4;
if (dma1 == dma2)
dma2 = -1;
err = snd_wss_create(card, port, -1, irq, dma1, dma2,
WSS_HW_DETECT, WSS_HWSHARE_DMA1, &chip);
if (!err) {
unsigned long flags;
struct snd_pcm *pcm;
#define AD1845_FREQ_SEL_ENABLE 0x08
#define AD1845_PWR_DOWN_CTRL 0x1b
#define AD1845_CRYS_CLOCK_SEL 0x1d
/*
* It turns out that the PLAYBACK_ENABLE bit is set
* by the lowlevel driver ...
*
#define AD1845_IFACE_CONFIG \
(CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE)
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_wss_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
*/
if (sscape->type != SSCAPE_VIVO) {
int val;
/*
* The input clock frequency on the SoundScape must
* be 14.31818 MHz, because we must set this register
* to get the playback to sound correct ...
*/
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
snd_wss_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
/*
* More custom configuration:
* a) select "mode 2" and provide a current drive of 8mA
* b) enable frequency selection (for capture/playback)
*/
spin_lock_irqsave(&chip->reg_lock, flags);
snd_wss_out(chip, CS4231_MISC_INFO,
CS4231_MODE2 | 0x10);
val = snd_wss_in(chip, AD1845_PWR_DOWN_CTRL);
snd_wss_out(chip, AD1845_PWR_DOWN_CTRL,
val | AD1845_FREQ_SEL_ENABLE);
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
err = snd_wss_pcm(chip, 0, &pcm);
if (err < 0) {
snd_printk(KERN_ERR "sscape: No PCM device "
"for AD1845 chip\n");
goto _error;
}
err = snd_wss_mixer(chip);
if (err < 0) {
snd_printk(KERN_ERR "sscape: No mixer device "
"for AD1845 chip\n");
goto _error;
}
err = snd_wss_timer(chip, 0, NULL);
if (err < 0) {
snd_printk(KERN_ERR "sscape: No timer device "
"for AD1845 chip\n");
goto _error;
}
if (sscape->type != SSCAPE_VIVO) {
err = snd_ctl_add(card,
snd_ctl_new1(&midi_mixer_ctl, chip));
if (err < 0) {
snd_printk(KERN_ERR "sscape: Could not create "
"MIDI mixer control\n");
goto _error;
}
chip->set_playback_format = ad1845_playback_format;
chip->set_capture_format = ad1845_capture_format;
}
strcpy(card->driver, "SoundScape");
strcpy(card->shortname, pcm->name);
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
pcm->name, chip->port, chip->irq,
chip->dma1, chip->dma2);
sscape->chip = chip;
}
_error:
return err;
}