diff options
Diffstat (limited to 'sound/pci/ice1712/ice1724.c')
| -rw-r--r-- | sound/pci/ice1712/ice1724.c | 110 |
1 files changed, 101 insertions, 9 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 36ade77cf371..6a560021e11f 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -560,6 +560,7 @@ static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: spin_lock(&ice->reg_lock); old = inb(ICEMT1724(ice, DMA_CONTROL)); if (cmd == SNDRV_PCM_TRIGGER_START) @@ -570,6 +571,10 @@ static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd) spin_unlock(&ice->reg_lock); break; + case SNDRV_PCM_TRIGGER_RESUME: + /* apps will have to restart stream */ + break; + default: return -EINVAL; } @@ -2272,7 +2277,7 @@ static void __devinit snd_vt1724_chip_reset(struct snd_ice1712 *ice) msleep(10); } -static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice) +static int snd_vt1724_chip_init(struct snd_ice1712 *ice) { outb(ice->eeprom.data[ICE_EEP2_SYSCONF], ICEREG1724(ice, SYS_CFG)); outb(ice->eeprom.data[ICE_EEP2_ACLINK], ICEREG1724(ice, AC97_CFG)); @@ -2287,6 +2292,14 @@ static int __devinit snd_vt1724_chip_init(struct snd_ice1712 *ice) outb(0, ICEREG1724(ice, POWERDOWN)); + /* MPU_RX and TX irq masks are cleared later dynamically */ + outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK)); + + /* don't handle FIFO overrun/underruns (just yet), + * since they cause machine lockups + */ + outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK)); + return 0; } @@ -2431,6 +2444,8 @@ static int __devinit snd_vt1724_create(struct snd_card *card, snd_vt1724_proc_init(ice); synchronize_irq(pci->irq); + card->private_data = ice; + err = pci_request_regions(pci, "ICE1724"); if (err < 0) { kfree(ice); @@ -2459,14 +2474,6 @@ static int __devinit snd_vt1724_create(struct snd_card *card, return -EIO; } - /* MPU_RX and TX irq masks are cleared later dynamically */ - outb(VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX , ICEREG1724(ice, IRQMASK)); - - /* don't handle FIFO overrun/underruns (just yet), - * since they cause machine lockups - */ - outb(VT1724_MULTI_FIFO_ERR, ICEMT1724(ice, DMA_INT_MASK)); - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops); if (err < 0) { snd_vt1724_free(ice); @@ -2650,11 +2657,96 @@ static void __devexit snd_vt1724_remove(struct pci_dev *pci) pci_set_drvdata(pci, NULL); } +#ifdef CONFIG_PM +static int snd_vt1724_suspend(struct pci_dev *pci, pm_message_t state) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_ice1712 *ice = card->private_data; + + if (!ice->pm_suspend_enabled) + return 0; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(ice->pcm); + snd_pcm_suspend_all(ice->pcm_pro); + snd_pcm_suspend_all(ice->pcm_ds); + snd_ac97_suspend(ice->ac97); + + spin_lock_irq(&ice->reg_lock); + ice->pm_saved_is_spdif_master = ice->is_spdif_master(ice); + ice->pm_saved_spdif_ctrl = inw(ICEMT1724(ice, SPDIF_CTRL)); + ice->pm_saved_spdif_cfg = inb(ICEREG1724(ice, SPDIF_CFG)); + ice->pm_saved_route = inl(ICEMT1724(ice, ROUTE_PLAYBACK)); + spin_unlock_irq(&ice->reg_lock); + + if (ice->pm_suspend) + ice->pm_suspend(ice); + + pci_disable_device(pci); + pci_save_state(pci); + pci_set_power_state(pci, pci_choose_state(pci, state)); + return 0; +} + +static int snd_vt1724_resume(struct pci_dev *pci) +{ + struct snd_card *card = pci_get_drvdata(pci); + struct snd_ice1712 *ice = card->private_data; + + if (!ice->pm_suspend_enabled) + return 0; + + pci_set_power_state(pci, PCI_D0); + pci_restore_state(pci); + + if (pci_enable_device(pci) < 0) { + snd_card_disconnect(card); + return -EIO; + } + + pci_set_master(pci); + + snd_vt1724_chip_reset(ice); + + if (snd_vt1724_chip_init(ice) < 0) { + snd_card_disconnect(card); + return -EIO; + } + + if (ice->pm_resume) + ice->pm_resume(ice); + + if (ice->pm_saved_is_spdif_master) { + /* switching to external clock via SPDIF */ + ice->set_spdif_clock(ice); + } else { + /* internal on-card clock */ + snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1); + } + + update_spdif_bits(ice, ice->pm_saved_spdif_ctrl); + + outb(ice->pm_saved_spdif_cfg, ICEREG1724(ice, SPDIF_CFG)); + outl(ice->pm_saved_route, ICEMT1724(ice, ROUTE_PLAYBACK)); + + if (ice->ac97) + snd_ac97_resume(ice->ac97); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + static struct pci_driver driver = { .name = "ICE1724", .id_table = snd_vt1724_ids, .probe = snd_vt1724_probe, .remove = __devexit_p(snd_vt1724_remove), +#ifdef CONFIG_PM + .suspend = snd_vt1724_suspend, + .resume = snd_vt1724_resume, +#endif }; static int __init alsa_card_ice1724_init(void) |