/*
* The audio module is itself a pseudo driver, as it contains the
* logic to support un-associated nodes. (Think generic /dev/mixer
* and /dev/sndstat used by OSS.)
*/
static int
audio_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
audio_dev_t *adev;
/* pseudo devices don't need S/R support */
if ((cmd != DDI_ATTACH) || (dip == NULL)) {
return (DDI_FAILURE);
}
if (ddi_get_instance(dip) != 0) {
return (DDI_FAILURE);
}
/* this can't fail */
adev = audio_dev_alloc(dip, 0);
adev->d_flags = DEV_SNDSTAT_CAP;
audio_dev_set_description(adev, "Audio Common Code");
audio_dev_set_version(adev, "pseudo");
ddi_set_driver_private(dip, adev);
/* look up our properties! */
if (audio_dev_register(adev) != NULL) {
audio_dev_free(adev);
return (DDI_FAILURE);
}
ddi_report_dev(dip);
return (DDI_SUCCESS);
}
static int
audio_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
audio_dev_t *adev;
/* pseudo devices don't need S/R support */
if (cmd != DDI_DETACH) {
return (DDI_FAILURE);
}
if (dip == NULL) {
return (DDI_FAILURE);
}
if ((adev = ddi_get_driver_private(dip)) == NULL) {
return (DDI_FAILURE);
}
if (audio_dev_unregister(adev) != DDI_SUCCESS) {
return (DDI_FAILURE);
}
audio_dev_free(adev);
return (DDI_SUCCESS);
}
/*
* audio1575_destroy()
*
* Description:
* This routine releases all resources held by the device instance,
* as part of either detach or a failure in attach.
*
* Arguments:
* audio1575_state_t *state The device soft state.
*/
void
audio1575_destroy(audio1575_state_t *statep)
{
ddi_acc_handle_t pcih;
/* stop DMA engines */
audio1575_dma_stop(statep, B_FALSE);
if (statep->regsh != NULL) {
/* reset the codec */
PUT32(M1575_SCR_REG, M1575_SCR_COLDRST);
}
if ((pcih = statep->pcih) != NULL) {
/* turn off the AC_LINK clock */
pci_config_put8(pcih, M1575_PCIACD_REG, 0);
pci_config_put8(pcih, M1575_PCIACD_REG, 4);
pci_config_put8(pcih, M1575_PCIACD_REG, 0);
}
/* Disable PCI I/O and Memory Spaces */
audio1575_pci_disable(statep);
audio1575_free_port(statep->ports[M1575_PLAY]);
audio1575_free_port(statep->ports[M1575_REC]);
audio1575_unmap_regs(statep);
if (statep->ac97 != NULL) {
ac97_free(statep->ac97);
}
if (statep->adev != NULL) {
audio_dev_free(statep->adev);
}
kmem_free(statep, sizeof (*statep));
}
/*
* audioixp_destroy()
*
* Description:
* This routine releases all resources held by the device instance,
* as part of either detach or a failure in attach.
*
* Arguments:
* audioixp_state_t *state The device soft state.
*/
void
audioixp_destroy(audioixp_state_t *statep)
{
if (!statep->suspended) {
PUT32(IXP_AUDIO_INT, GET32(IXP_AUDIO_INT));
PUT32(IXP_AUDIO_INT_EN, 0);
/*
* put the audio controller into quiet state, everything off
*/
CLR32(IXP_AUDIO_CMD, IXP_AUDIO_CMD_EN_OUT_DMA);
CLR32(IXP_AUDIO_CMD, IXP_AUDIO_CMD_EN_IN_DMA);
}
if (statep->intr_added) {
ddi_remove_intr(statep->dip, 0, statep->iblock);
}
if (statep->ksp) {
kstat_delete(statep->ksp);
}
audioixp_free_port(statep->play_port);
audioixp_free_port(statep->rec_port);
audioixp_unmap_regs(statep);
if (statep->ac97) {
ac97_free(statep->ac97);
}
if (statep->adev) {
audio_dev_free(statep->adev);
}
mutex_destroy(&statep->inst_lock);
kmem_free(statep, sizeof (*statep));
}