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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c81
1 files changed, 59 insertions, 22 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index feeed12920b4..e35cfd326df2 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -55,7 +55,7 @@ static char *model;
static int position_fix;
static int probe_mask = -1;
static int single_cmd;
-static int disable_msi;
+static int enable_msi;
module_param(index, int, 0444);
MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
@@ -69,8 +69,8 @@ module_param(probe_mask, int, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
module_param(single_cmd, bool, 0444);
MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only).");
-module_param(disable_msi, int, 0);
-MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
+module_param(enable_msi, int, 0);
+MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
/* just for backward compatibility */
@@ -86,6 +86,7 @@ MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
"{ATI, SB450},"
"{ATI, SB600},"
"{ATI, RS600},"
+ "{ATI, RS690},"
"{VIA, VT8251},"
"{VIA, VT8237A},"
"{SiS, SIS966},"
@@ -336,6 +337,7 @@ struct azx {
unsigned int initialized :1;
unsigned int single_cmd :1;
unsigned int polling_mode :1;
+ unsigned int msi :1;
};
/* driver types */
@@ -396,6 +398,7 @@ static char *driver_short_names[] __devinitdata = {
*/
#define upper_32bit(addr) (sizeof(addr) > 4 ? (u32)((addr) >> 32) : (u32)0)
+static int azx_acquire_irq(struct azx *chip, int do_disconnect);
/*
* Interface for HD codec
@@ -535,6 +538,18 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
schedule_timeout_interruptible(1);
} while (time_after_eq(timeout, jiffies));
+ if (chip->msi) {
+ snd_printk(KERN_WARNING "hda_intel: No response from codec, "
+ "disabling MSI...\n");
+ free_irq(chip->irq, chip);
+ chip->irq = -1;
+ pci_disable_msi(chip->pci);
+ chip->msi = 0;
+ if (azx_acquire_irq(chip, 1) < 0)
+ return -1;
+ goto again;
+ }
+
if (!chip->polling_mode) {
snd_printk(KERN_WARNING "hda_intel: azx_get_response timeout, "
"switching to polling mode...\n");
@@ -1363,6 +1378,20 @@ static int __devinit azx_init_stream(struct azx *chip)
return 0;
}
+static int azx_acquire_irq(struct azx *chip, int do_disconnect)
+{
+ if (request_irq(chip->pci->irq, azx_interrupt, IRQF_DISABLED|IRQF_SHARED,
+ "HDA Intel", chip)) {
+ printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
+ "disabling device\n", chip->pci->irq);
+ if (do_disconnect)
+ snd_card_disconnect(chip->card);
+ return -1;
+ }
+ chip->irq = chip->pci->irq;
+ return 0;
+}
+
#ifdef CONFIG_PM
/*
@@ -1379,12 +1408,16 @@ static int azx_suspend(struct pci_dev *pci, pm_message_t state)
snd_pcm_suspend_all(chip->pcm[i]);
snd_hda_suspend(chip->bus, state);
azx_free_cmd_io(chip);
- if (chip->irq >= 0)
+ if (chip->irq >= 0) {
+ synchronize_irq(chip->irq);
free_irq(chip->irq, chip);
- if (!disable_msi)
+ chip->irq = -1;
+ }
+ if (chip->msi)
pci_disable_msi(chip->pci);
pci_disable_device(pci);
pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
@@ -1393,15 +1426,20 @@ static int azx_resume(struct pci_dev *pci)
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
+ pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
- pci_enable_device(pci);
- if (!disable_msi)
- pci_enable_msi(pci);
- /* FIXME: need proper error handling */
- request_irq(pci->irq, azx_interrupt, IRQF_DISABLED|IRQF_SHARED,
- "HDA Intel", chip);
- chip->irq = pci->irq;
+ if (pci_enable_device(pci) < 0) {
+ printk(KERN_ERR "hda-intel: pci_enable_device failed, "
+ "disabling device\n");
+ snd_card_disconnect(card);
+ return -EIO;
+ }
pci_set_master(pci);
+ if (chip->msi)
+ if (pci_enable_msi(pci) < 0)
+ chip->msi = 0;
+ if (azx_acquire_irq(chip, 1) < 0)
+ return -EIO;
azx_init_chip(chip);
snd_hda_resume(chip->bus);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
@@ -1431,15 +1469,14 @@ static int azx_free(struct azx *chip)
/* disable position buffer */
azx_writel(chip, DPLBASE, 0);
azx_writel(chip, DPUBASE, 0);
-
- synchronize_irq(chip->irq);
}
if (chip->irq >= 0) {
+ synchronize_irq(chip->irq);
free_irq(chip->irq, (void*)chip);
- if (!disable_msi)
- pci_disable_msi(chip->pci);
}
+ if (chip->msi)
+ pci_disable_msi(chip->pci);
if (chip->remap_addr)
iounmap(chip->remap_addr);
@@ -1494,6 +1531,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
chip->pci = pci;
chip->irq = -1;
chip->driver_type = driver_type;
+ chip->msi = enable_msi;
chip->position_fix = position_fix;
chip->single_cmd = single_cmd;
@@ -1523,16 +1561,14 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
goto errout;
}
- if (!disable_msi)
- pci_enable_msi(pci);
+ if (chip->msi)
+ if (pci_enable_msi(pci) < 0)
+ chip->msi = 0;
- if (request_irq(pci->irq, azx_interrupt, IRQF_DISABLED|IRQF_SHARED,
- "HDA Intel", (void*)chip)) {
- snd_printk(KERN_ERR SFX "unable to grab IRQ %d\n", pci->irq);
+ if (azx_acquire_irq(chip, 0) < 0) {
err = -EBUSY;
goto errout;
}
- chip->irq = pci->irq;
pci_set_master(pci);
synchronize_irq(chip->irq);
@@ -1677,6 +1713,7 @@ static struct pci_device_id azx_ids[] = {
{ 0x1002, 0x437b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB450 */
{ 0x1002, 0x4383, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATI }, /* ATI SB600 */
{ 0x1002, 0x793b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS600 HDMI */
+ { 0x1002, 0x7919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ATIHDMI }, /* ATI RS690 HDMI */
{ 0x1106, 0x3288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_VIA }, /* VIA VT8251/VT8237A */
{ 0x1039, 0x7502, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_SIS }, /* SIS966 */
{ 0x10b9, 0x5461, PCI_ANY_ID, PCI_ANY_ID, 0, 0, AZX_DRIVER_ULI }, /* ULI M5461 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 00:43:57 +0000