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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c264
1 files changed, 174 insertions, 90 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 7b0abf08a58..f04de115ee1 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -45,6 +45,7 @@
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/mutex.h>
+#include <linux/reboot.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "hda_codec.h"
@@ -57,6 +58,7 @@ static char *model[SNDRV_CARDS];
static int position_fix[SNDRV_CARDS];
static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
+static int probe_only[SNDRV_CARDS];
static int single_cmd;
static int enable_msi;
@@ -75,6 +77,8 @@ module_param_array(bdl_pos_adj, int, NULL, 0644);
MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
module_param_array(probe_mask, int, NULL, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
+module_param_array(probe_only, bool, NULL, 0444);
+MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
module_param(single_cmd, bool, 0444);
MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
"(for debugging only).");
@@ -82,7 +86,10 @@ module_param(enable_msi, int, 0444);
MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
#ifdef CONFIG_SND_HDA_POWER_SAVE
-/* power_save option is defined in hda_codec.c */
+static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
+module_param(power_save, int, 0644);
+MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
+ "(in second, 0 = disable).");
/* reset the HD-audio controller in power save mode.
* this may give more power-saving, but will take longer time to
@@ -291,6 +298,8 @@ enum {
/* Define VIA HD Audio Device ID*/
#define VIA_HDAC_DEVICE_ID 0x3288
+/* HD Audio class code */
+#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
/*
*/
@@ -391,12 +400,16 @@ struct azx {
unsigned int msi :1;
unsigned int irq_pending_warned :1;
unsigned int via_dmapos_patch :1; /* enable DMA-position fix for VIA */
+ unsigned int probing :1; /* codec probing phase */
/* for debugging */
unsigned int last_cmd; /* last issued command (to sync) */
/* for pending irqs */
struct work_struct irq_pending_work;
+
+ /* reboot notifier (for mysterious hangup problem at power-down) */
+ struct notifier_block reboot_notifier;
};
/* driver types */
@@ -410,6 +423,7 @@ enum {
AZX_DRIVER_ULI,
AZX_DRIVER_NVIDIA,
AZX_DRIVER_TERA,
+ AZX_DRIVER_GENERIC,
AZX_NUM_DRIVERS, /* keep this as last entry */
};
@@ -423,6 +437,7 @@ static char *driver_short_names[] __devinitdata = {
[AZX_DRIVER_ULI] = "HDA ULI M5461",
[AZX_DRIVER_NVIDIA] = "HDA NVidia",
[AZX_DRIVER_TERA] = "HDA Teradici",
+ [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
};
/*
@@ -523,9 +538,9 @@ static void azx_free_cmd_io(struct azx *chip)
}
/* send a command */
-static int azx_corb_send_cmd(struct hda_codec *codec, u32 val)
+static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
unsigned int wp;
/* add command to corb */
@@ -573,9 +588,9 @@ static void azx_update_rirb(struct azx *chip)
}
/* receive a response */
-static unsigned int azx_rirb_get_response(struct hda_codec *codec)
+static unsigned int azx_rirb_get_response(struct hda_bus *bus)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
unsigned long timeout;
again:
@@ -592,7 +607,7 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
}
if (time_after(jiffies, timeout))
break;
- if (codec->bus->needs_damn_long_delay)
+ if (bus->needs_damn_long_delay)
msleep(2); /* temporary workaround */
else {
udelay(10);
@@ -620,6 +635,14 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
goto again;
}
+ if (chip->probing) {
+ /* If this critical timeout happens during the codec probing
+ * phase, this is likely an access to a non-existing codec
+ * slot. Better to return an error and reset the system.
+ */
+ return -1;
+ }
+
snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
"switching to single_cmd mode: last cmd=0x%08x\n",
chip->last_cmd);
@@ -642,9 +665,9 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
*/
/* send a command */
-static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
+static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
int timeout = 50;
while (timeout--) {
@@ -667,9 +690,9 @@ static int azx_single_send_cmd(struct hda_codec *codec, u32 val)
}
/* receive a response */
-static unsigned int azx_single_get_response(struct hda_codec *codec)
+static unsigned int azx_single_get_response(struct hda_bus *bus)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
int timeout = 50;
while (timeout--) {
@@ -692,38 +715,29 @@ static unsigned int azx_single_get_response(struct hda_codec *codec)
*/
/* send a command */
-static int azx_send_cmd(struct hda_codec *codec, hda_nid_t nid,
- int direct, unsigned int verb,
- unsigned int para)
+static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
{
- struct azx *chip = codec->bus->private_data;
- u32 val;
-
- val = (u32)(codec->addr & 0x0f) << 28;
- val |= (u32)direct << 27;
- val |= (u32)nid << 20;
- val |= verb << 8;
- val |= para;
- chip->last_cmd = val;
+ struct azx *chip = bus->private_data;
+ chip->last_cmd = val;
if (chip->single_cmd)
- return azx_single_send_cmd(codec, val);
+ return azx_single_send_cmd(bus, val);
else
- return azx_corb_send_cmd(codec, val);
+ return azx_corb_send_cmd(bus, val);
}
/* get a response */
-static unsigned int azx_get_response(struct hda_codec *codec)
+static unsigned int azx_get_response(struct hda_bus *bus)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
if (chip->single_cmd)
- return azx_single_get_response(codec);
+ return azx_single_get_response(bus);
else
- return azx_rirb_get_response(codec);
+ return azx_rirb_get_response(bus);
}
#ifdef CONFIG_SND_HDA_POWER_SAVE
-static void azx_power_notify(struct hda_codec *codec);
+static void azx_power_notify(struct hda_bus *bus);
#endif
/* reset codec link */
@@ -1180,7 +1194,28 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
return 0;
}
-static int azx_attach_pcm_stream(struct hda_codec *codec, struct hda_pcm *cpcm);
+/*
+ * Probe the given codec address
+ */
+static int probe_codec(struct azx *chip, int addr)
+{
+ unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
+ (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
+ unsigned int res;
+
+ chip->probing = 1;
+ azx_send_cmd(chip->bus, cmd);
+ res = azx_get_response(chip->bus);
+ chip->probing = 0;
+ if (res == -1)
+ return -EIO;
+ snd_printdd("hda_intel: codec #%d probed OK\n", addr);
+ return 0;
+}
+
+static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
+ struct hda_pcm *cpcm);
+static void azx_stop_chip(struct azx *chip);
/*
* Codec initialization
@@ -1191,21 +1226,13 @@ static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
[AZX_DRIVER_TERA] = 1,
};
-/* number of slots to probe as default
- * this can be different from azx_max_codecs[] -- e.g. some boards
- * report wrongly the non-existing 4th slot availability
- */
-static unsigned int azx_default_codecs[AZX_NUM_DRIVERS] __devinitdata = {
- [AZX_DRIVER_ICH] = 3,
- [AZX_DRIVER_ATI] = 3,
-};
-
static int __devinit azx_codec_create(struct azx *chip, const char *model,
- unsigned int codec_probe_mask)
+ unsigned int codec_probe_mask,
+ int no_init)
{
struct hda_bus_template bus_temp;
- int c, codecs, audio_codecs, err;
- int def_slots, max_slots;
+ int c, codecs, err;
+ int max_slots;
memset(&bus_temp, 0, sizeof(bus_temp));
bus_temp.private_data = chip;
@@ -1215,6 +1242,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
bus_temp.ops.get_response = azx_get_response;
bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
#ifdef CONFIG_SND_HDA_POWER_SAVE
+ bus_temp.power_save = &power_save;
bus_temp.ops.pm_notify = azx_power_notify;
#endif
@@ -1225,33 +1253,43 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model,
if (chip->driver_type == AZX_DRIVER_NVIDIA)
chip->bus->needs_damn_long_delay = 1;
- codecs = audio_codecs = 0;
+ codecs = 0;
max_slots = azx_max_codecs[chip->driver_type];
if (!max_slots)
max_slots = AZX_MAX_CODECS;
- def_slots = azx_default_codecs[chip->driver_type];
- if (!def_slots)
- def_slots = max_slots;
- for (c = 0; c < def_slots; c++) {
+
+ /* First try to probe all given codec slots */
+ for (c = 0; c < max_slots; c++) {
+ if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
+ if (probe_codec(chip, c) < 0) {
+ /* Some BIOSen give you wrong codec addresses
+ * that don't exist
+ */
+ snd_printk(KERN_WARNING
+ "hda_intel: Codec #%d probe error; "
+ "disabling it...\n", c);
+ chip->codec_mask &= ~(1 << c);
+ /* More badly, accessing to a non-existing
+ * codec often screws up the controller chip,
+ * and distrubs the further communications.
+ * Thus if an error occurs during probing,
+ * better to reset the controller chip to
+ * get back to the sanity state.
+ */
+ azx_stop_chip(chip);
+ azx_init_chip(chip);
+ }
+ }
+ }
+
+ /* Then create codec instances */
+ for (c = 0; c < max_slots; c++) {
if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
struct hda_codec *codec;
- err = snd_hda_codec_new(chip->bus, c, &codec);
+ err = snd_hda_codec_new(chip->bus, c, !no_init, &codec);
if (err < 0)
continue;
codecs++;
- if (codec->afg)
- audio_codecs++;
- }
- }
- if (!audio_codecs) {
- /* probe additional slots if no codec is found */
- for (; c < max_slots; c++) {
- if ((chip->codec_mask & (1 << c)) & codec_probe_mask) {
- err = snd_hda_codec_new(chip->bus, c, NULL);
- if (err < 0)
- continue;
- codecs++;
- }
}
}
if (!codecs) {
@@ -1728,9 +1766,10 @@ static void azx_pcm_free(struct snd_pcm *pcm)
}
static int
-azx_attach_pcm_stream(struct hda_codec *codec, struct hda_pcm *cpcm)
+azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
+ struct hda_pcm *cpcm)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
struct snd_pcm *pcm;
struct azx_pcm *apcm;
int pcm_dev = cpcm->device;
@@ -1848,13 +1887,13 @@ static void azx_stop_chip(struct azx *chip)
#ifdef CONFIG_SND_HDA_POWER_SAVE
/* power-up/down the controller */
-static void azx_power_notify(struct hda_codec *codec)
+static void azx_power_notify(struct hda_bus *bus)
{
- struct azx *chip = codec->bus->private_data;
+ struct azx *chip = bus->private_data;
struct hda_codec *c;
int power_on = 0;
- list_for_each_entry(c, &codec->bus->codec_list, list) {
+ list_for_each_entry(c, &bus->codec_list, list) {
if (c->power_on) {
power_on = 1;
break;
@@ -1871,6 +1910,18 @@ static void azx_power_notify(struct hda_codec *codec)
/*
* power management
*/
+
+static int snd_hda_codecs_inuse(struct hda_bus *bus)
+{
+ struct hda_codec *codec;
+
+ list_for_each_entry(codec, &bus->codec_list, list) {
+ if (snd_hda_codec_needs_resume(codec))
+ return 1;
+ }
+ return 0;
+}
+
static int azx_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
@@ -1896,13 +1947,16 @@ static int azx_suspend(struct pci_dev *pci, pm_message_t state)
return 0;
}
+static int azx_resume_early(struct pci_dev *pci)
+{
+ return pci_restore_state(pci);
+}
+
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);
if (pci_enable_device(pci) < 0) {
printk(KERN_ERR "hda-intel: pci_enable_device failed, "
"disabling device\n");
@@ -1928,12 +1982,36 @@ static int azx_resume(struct pci_dev *pci)
/*
+ * reboot notifier for hang-up problem at power-down
+ */
+static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
+{
+ struct azx *chip = container_of(nb, struct azx, reboot_notifier);
+ azx_stop_chip(chip);
+ return NOTIFY_OK;
+}
+
+static void azx_notifier_register(struct azx *chip)
+{
+ chip->reboot_notifier.notifier_call = azx_halt;
+ register_reboot_notifier(&chip->reboot_notifier);
+}
+
+static void azx_notifier_unregister(struct azx *chip)
+{
+ if (chip->reboot_notifier.notifier_call)
+ unregister_reboot_notifier(&chip->reboot_notifier);
+}
+
+/*
* destructor
*/
static int azx_free(struct azx *chip)
{
int i;
+ azx_notifier_unregister(chip);
+
if (chip->initialized) {
azx_clear_irq_pending(chip);
for (i = 0; i < chip->num_streams; i++)
@@ -2016,6 +2094,10 @@ static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
+ /* broken BIOS */
+ SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
+ /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
+ SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
{}
};
@@ -2107,7 +2189,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
}
chip->addr = pci_resource_start(pci, 0);
- chip->remap_addr = ioremap_nocache(chip->addr, pci_resource_len(pci,0));
+ chip->remap_addr = pci_ioremap_bar(pci, 0);
if (chip->remap_addr == NULL) {
snd_printk(KERN_ERR SFX "ioremap error\n");
err = -ENXIO;
@@ -2150,6 +2232,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
chip->capture_streams = ATIHDMI_NUM_CAPTURE;
break;
+ case AZX_DRIVER_GENERIC:
default:
chip->playback_streams = ICH6_NUM_PLAYBACK;
chip->capture_streams = ICH6_NUM_CAPTURE;
@@ -2259,47 +2342,42 @@ static int __devinit azx_probe(struct pci_dev *pci,
}
err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto out_free;
card->private_data = chip;
/* create codec instances */
- err = azx_codec_create(chip, model[dev], probe_mask[dev]);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ err = azx_codec_create(chip, model[dev], probe_mask[dev],
+ probe_only[dev]);
+ if (err < 0)
+ goto out_free;
/* create PCM streams */
err = snd_hda_build_pcms(chip->bus);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto out_free;
/* create mixer controls */
err = azx_mixer_create(chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto out_free;
snd_card_set_dev(card, &pci->dev);
err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto out_free;
pci_set_drvdata(pci, card);
chip->running = 1;
power_down_all_codecs(chip);
+ azx_notifier_register(chip);
dev++;
return err;
+out_free:
+ snd_card_free(card);
+ return err;
}
static void __devexit azx_remove(struct pci_dev *pci)
@@ -2373,6 +2451,11 @@ static struct pci_device_id azx_ids[] = {
{ PCI_DEVICE(0x10de, 0x0bd7), .driver_data = AZX_DRIVER_NVIDIA },
/* Teradici */
{ PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
+ /* AMD Generic, PCI class code and Vendor ID for HD Audio */
+ { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
+ .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
+ .class_mask = 0xffffff,
+ .driver_data = AZX_DRIVER_GENERIC },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
@@ -2385,6 +2468,7 @@ static struct pci_driver driver = {
.remove = __devexit_p(azx_remove),
#ifdef CONFIG_PM
.suspend = azx_suspend,
+ .resume_early = azx_resume_early,
.resume = azx_resume,
#endif
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 19:14:58 +0000