static int snd_via82xx_resume(struct pci_dev *pci)
{
struct snd_card *card = pci_get_drvdata(pci);
struct via82xx_modem *chip = card->private_data;
int i;
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
if (pci_enable_device(pci) < 0) {
printk(KERN_ERR "via82xx-modem: pci_enable_device failed, "
"disabling device\n");
snd_card_disconnect(card);
return -EIO;
}
pci_set_master(pci);
snd_via82xx_chip_init(chip);
snd_ac97_resume(chip->ac97);
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
/*
* trigger callback
*/
static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct via82xx_modem *chip = snd_pcm_substream_chip(substream);
struct viadev *viadev = substream->runtime->private_data;
unsigned char val = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_SUSPEND:
val |= VIA_REG_CTRL_START;
viadev->running = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
val = VIA_REG_CTRL_TERMINATE;
viadev->running = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
val |= VIA_REG_CTRL_PAUSE;
viadev->running = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
viadev->running = 1;
break;
default:
return -EINVAL;
}
outb(val, VIADEV_REG(viadev, OFFSET_CONTROL));
if (cmd == SNDRV_PCM_TRIGGER_STOP)
snd_via82xx_channel_reset(chip, viadev);
return 0;
}
static int __devinit snd_via82xx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct snd_card *card;
struct via82xx_modem *chip;
int chip_type = 0, card_type;
unsigned int i;
int err;
err = snd_card_create(index, id, THIS_MODULE, 0, &card);
if (err < 0)
return err;
card_type = pci_id->driver_data;
switch (card_type) {
case TYPE_CARD_VIA82XX_MODEM:
strcpy(card->driver, "VIA82XX-MODEM");
sprintf(card->shortname, "VIA 82XX modem");
break;
default:
snd_printk(KERN_ERR "invalid card type %d\n", card_type);
err = -EINVAL;
goto __error;
}
if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision,
ac97_clock, &chip)) < 0)
goto __error;
card->private_data = chip;
if ((err = snd_via82xx_mixer_new(chip)) < 0)
goto __error;
if ((err = snd_via686_pcm_new(chip)) < 0 )
goto __error;
/* disable interrupts */
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
sprintf(card->longname, "%s at 0x%lx, irq %d",
card->shortname, chip->port, chip->irq);
snd_via82xx_proc_init(chip);
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
pci_set_drvdata(pci, card);
return 0;
__error:
snd_card_free(card);
return err;
}
/*
* prepare callback for playback and capture
*/
static int snd_via82xx_pcm_prepare(struct snd_pcm_substream *substream)
{
struct via82xx_modem *chip = snd_pcm_substream_chip(substream);
struct viadev *viadev = substream->runtime->private_data;
snd_via82xx_channel_reset(chip, viadev);
/* this must be set after channel_reset */
snd_via82xx_set_table_ptr(chip, viadev);
outb(VIA_REG_TYPE_AUTOSTART|VIA_REG_TYPE_INT_EOL|VIA_REG_TYPE_INT_FLAG,
VIADEV_REG(viadev, OFFSET_TYPE));
return 0;
}
/*
* power management
*/
static int snd_via82xx_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct via82xx_modem *chip = card->private_data;
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < 2; i++)
snd_pcm_suspend_all(chip->pcms[i]);
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
synchronize_irq(chip->irq);
snd_ac97_suspend(chip->ac97);
return 0;
}
static int snd_via82xx_resume(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct via82xx_modem *chip = card->private_data;
int i;
snd_via82xx_chip_init(chip);
snd_ac97_resume(chip->ac97);
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
static int snd_via82xx_free(struct via82xx_modem *chip)
{
unsigned int i;
if (chip->irq < 0)
goto __end_hw;
/* disable interrupts */
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
__end_hw:
if (chip->irq >= 0)
free_irq(chip->irq, chip);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);
return 0;
}
/*
* power management
*/
static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
struct via82xx_modem *chip = card->private_data;
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < 2; i++)
snd_pcm_suspend_all(chip->pcms[i]);
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
synchronize_irq(chip->irq);
snd_ac97_suspend(chip->ac97);
pci_disable_device(pci);
pci_save_state(pci);
pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
