diff options
author | 2010-10-25 08:32:05 -0700 | |
---|---|---|
committer | 2010-10-25 08:32:05 -0700 | |
commit | 33081adf8b89d5a716d7e1c60171768d39795b39 (patch) | |
tree | 275de58bbbb5f7ddffcdc087844cfc7fbe4315be /sound/pci/oxygen/oxygen_lib.c | |
parent | Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
parent | Merge branch 'topic/hda' into for-linus (diff) | |
download | linux-33081adf8b89d5a716d7e1c60171768d39795b39.tar.gz linux-33081adf8b89d5a716d7e1c60171768d39795b39.tar.bz2 linux-33081adf8b89d5a716d7e1c60171768d39795b39.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (365 commits)
ALSA: hda - Disable sticky PCM stream assignment for AD codecs
ALSA: usb - Creative USB X-Fi volume knob support
ALSA: ca0106: Use card specific dac id for mute controls.
ALSA: ca0106: Allow different sound cards to use different SPI channel mappings.
ALSA: ca0106: Create a nice spot for mapping channels to dacs.
ALSA: ca0106: Move enabling of front dac out of hardcoded setup sequence.
ALSA: ca0106: Pull out dac powering routine into separate function.
ALSA: ca0106 - add Sound Blaster 5.1vx info.
ASoC: tlv320dac33: Use usleep_range for delays
ALSA: usb-audio: add Novation Launchpad support
ALSA: hda - Add workarounds for CT-IBG controllers
ALSA: hda - Fix wrong TLV mute bit for STAC/IDT codecs
ASoC: tpa6130a2: Error handling for broken chip
ASoC: max98088: Staticise m98088_eq_band
ASoC: soc-core: Fix codec->name memory leak
ALSA: hda - Apply ideapad quirk to Acer laptops with Cxt5066
ALSA: hda - Add some workarounds for Creative IBG
ALSA: hda - Fix wrong SPDIF NID assignment for CA0110
ALSA: hda - Fix codec rename rules for ALC662-compatible codecs
ALSA: hda - Add alc_init_jacks() call to other codecs
...
Diffstat (limited to 'sound/pci/oxygen/oxygen_lib.c')
-rw-r--r-- | sound/pci/oxygen/oxygen_lib.c | 55 |
1 files changed, 38 insertions, 17 deletions
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index 7e93cf884437..e5ebe56fb0c5 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -308,25 +308,46 @@ static void oxygen_restore_eeprom(struct oxygen *chip, } } -static void pci_bridge_magic(void) +static void configure_pcie_bridge(struct pci_dev *pci) { - struct pci_dev *pci = NULL; + enum { PEX811X, PI7C9X110 }; + static const struct pci_device_id bridge_ids[] = { + { PCI_VDEVICE(PLX, 0x8111), .driver_data = PEX811X }, + { PCI_VDEVICE(PLX, 0x8112), .driver_data = PEX811X }, + { PCI_DEVICE(0x12d8, 0xe110), .driver_data = PI7C9X110 }, + { } + }; + struct pci_dev *bridge; + const struct pci_device_id *id; u32 tmp; - for (;;) { - /* If there is any Pericom PI7C9X110 PCI-E/PCI bridge ... */ - pci = pci_get_device(0x12d8, 0xe110, pci); - if (!pci) - break; - /* - * ... configure its secondary internal arbiter to park to - * the secondary port, instead of to the last master. - */ - if (!pci_read_config_dword(pci, 0x40, &tmp)) { - tmp |= 1; - pci_write_config_dword(pci, 0x40, tmp); - } - /* Why? Try asking C-Media. */ + if (!pci->bus || !pci->bus->self) + return; + bridge = pci->bus->self; + + id = pci_match_id(bridge_ids, bridge); + if (!id) + return; + + switch (id->driver_data) { + case PEX811X: /* PLX PEX8111/PEX8112 PCIe/PCI bridge */ + pci_read_config_dword(bridge, 0x48, &tmp); + tmp |= 1; /* enable blind prefetching */ + tmp |= 1 << 11; /* enable beacon generation */ + pci_write_config_dword(bridge, 0x48, tmp); + + pci_write_config_dword(bridge, 0x84, 0x0c); + pci_read_config_dword(bridge, 0x88, &tmp); + tmp &= ~(7 << 27); + tmp |= 2 << 27; /* set prefetch size to 128 bytes */ + pci_write_config_dword(bridge, 0x88, tmp); + break; + + case PI7C9X110: /* Pericom PI7C9X110 PCIe/PCI bridge */ + pci_read_config_dword(bridge, 0x40, &tmp); + tmp |= 1; /* park the PCI arbiter to the sound chip */ + pci_write_config_dword(bridge, 0x40, tmp); + break; } } @@ -613,7 +634,7 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, snd_card_set_dev(card, &pci->dev); card->private_free = oxygen_card_free; - pci_bridge_magic(); + configure_pcie_bridge(pci); oxygen_init(chip); chip->model.init(chip); |