devman: detect acpi irq
git-svn-id: svn://kolibrios.org@1633 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
d052c50a74
commit
4ccc803579
@ -65,6 +65,8 @@ static ACPI_HANDLE pci_root_handle;
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#define acpi_remap( addr ) MapIoMem((void*)(addr),4096, 0x01)
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#define acpi_remap( addr ) MapIoMem((void*)(addr),4096, 0x01)
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void print_pci_irqs();
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struct acpi_device *acpi_root;
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struct acpi_device *acpi_root;
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@ -117,7 +119,7 @@ static bool pci_use_crs = false;
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#define IORESOURCE_BUS 0x00001000
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#define IORESOURCE_BUS 0x00001000
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static LIST_HEAD(acpi_pci_roots);
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extern struct list_head acpi_pci_roots;
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#define ACPI_PCI_ROOT_CLASS "pci_bridge"
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#define ACPI_PCI_ROOT_CLASS "pci_bridge"
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#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
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#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
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@ -651,6 +653,8 @@ u32_t drvEntry(int action, char *cmdline)
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acpi_init_pci(acpi_root);
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acpi_init_pci(acpi_root);
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print_pci_irqs();
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/*
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/*
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ACPI_HANDLE bus_handle;
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ACPI_HANDLE bus_handle;
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ACPI_HANDLE pci_root;
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ACPI_HANDLE pci_root;
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@ -146,6 +146,10 @@ struct acpi_pci_root {
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};
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};
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static inline void *acpi_driver_data(struct acpi_device *d)
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{
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return d->driver_data;
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}
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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@ -161,3 +165,6 @@ int acpi_pci_bind_root(struct acpi_device *device);
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struct pci_dev *acpi_get_pci_dev(ACPI_HANDLE handle);
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struct pci_dev *acpi_get_pci_dev(ACPI_HANDLE handle);
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int acpi_is_root_bridge(ACPI_HANDLE handle);
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int acpi_is_root_bridge(ACPI_HANDLE handle);
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int acpi_pci_link_allocate_irq(ACPI_HANDLE handle, int index,
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int *triggering, int *polarity, char **name);
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@ -77,7 +77,7 @@ int pci_bus_read_config_word (struct pci_bus *bus, u32 devfn,
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int pci_bus_read_config_dword (struct pci_bus *bus, u32 devfn,
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int pci_bus_read_config_dword (struct pci_bus *bus, u32 devfn,
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int pos, u16 *value)
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int pos, u32 *value)
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{
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{
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if ( pos & 3)
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if ( pos & 3)
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return PCIBIOS_BAD_REGISTER_NUMBER;
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return PCIBIOS_BAD_REGISTER_NUMBER;
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@ -262,6 +262,31 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
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return 0;
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return 0;
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}
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}
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/**
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* pci_swizzle_interrupt_pin - swizzle INTx for device behind bridge
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* @dev: the PCI device
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* @pin: the INTx pin (1=INTA, 2=INTB, 3=INTD, 4=INTD)
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*
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* Perform INTx swizzling for a device behind one level of bridge. This is
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* required by section 9.1 of the PCI-to-PCI bridge specification for devices
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* behind bridges on add-in cards. For devices with ARI enabled, the slot
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* number is always 0 (see the Implementation Note in section 2.2.8.1 of
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* the PCI Express Base Specification, Revision 2.1)
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*/
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u8 pci_swizzle_interrupt_pin(struct pci_dev *dev, u8 pin)
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{
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int slot;
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// if (pci_ari_enabled(dev->bus))
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// slot = 0;
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// else
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slot = PCI_SLOT(dev->devfn);
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return (((pin - 1) + slot) % 4) + 1;
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}
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#if 0
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#if 0
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u32 pci_probe = 0;
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u32 pci_probe = 0;
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@ -875,9 +875,7 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
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/* some broken boards return 0 or ~0 if a slot is empty: */
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/* some broken boards return 0 or ~0 if a slot is empty: */
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if (l == 0xffffffff || l == 0x00000000 ||
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if (l == 0xffffffff || l == 0x00000000 ||
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l == 0x0000ffff || l == 0xffff0000 ||
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l == 0x0000ffff || l == 0xffff0000)
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(l & 0xffff0000) == 0xffff0000 ||
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(l & 0x0000ffff) == 0x0000ffff )
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return NULL;
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return NULL;
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/* Configuration request Retry Status */
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/* Configuration request Retry Status */
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@ -29,6 +29,32 @@ static inline char pin_name(int pin)
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}
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}
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/* --------------------------------------------------------------------------
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PCI IRQ Routing Table (PRT) Support
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-------------------------------------------------------------------------- */
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static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(struct pci_dev *dev,
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int pin)
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{
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struct acpi_prt_entry *entry;
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int segment = pci_domain_nr(dev->bus);
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int bus = dev->bus->number;
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int device = PCI_SLOT(dev->devfn);
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spin_lock(&acpi_prt_lock);
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list_for_each_entry(entry, &acpi_prt_list, list) {
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if ((segment == entry->id.Segment)
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&& (bus == entry->id.Bus)
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&& (device == entry->id.Device)
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&& (pin == entry->pin)) {
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spin_unlock(&acpi_prt_lock);
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return entry;
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}
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}
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spin_unlock(&acpi_prt_lock);
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return NULL;
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}
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static int acpi_pci_irq_add_entry(ACPI_HANDLE handle, struct pci_bus *bus,
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static int acpi_pci_irq_add_entry(ACPI_HANDLE handle, struct pci_bus *bus,
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struct acpi_pci_routing_table *prt)
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struct acpi_pci_routing_table *prt)
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{
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{
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@ -129,3 +155,454 @@ int acpi_pci_irq_add_prt(ACPI_HANDLE handle, struct pci_bus *bus)
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return 0;
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return 0;
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}
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}
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static struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin)
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{
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struct acpi_prt_entry *entry;
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struct pci_dev *bridge;
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u8 bridge_pin, orig_pin = pin;
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entry = acpi_pci_irq_find_prt_entry(dev, pin);
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if (entry) {
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ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %s[%c] _PRT entry\n",
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pci_name(dev), pin_name(pin)));
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return entry;
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}
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/*
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* Attempt to derive an IRQ for this device from a parent bridge's
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* PCI interrupt routing entry (eg. yenta bridge and add-in card bridge).
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*/
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bridge = dev->bus->self;
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while (bridge)
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{
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pin = pci_swizzle_interrupt_pin(dev, pin);
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if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
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/* PC card has the same IRQ as its cardbridge */
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bridge_pin = bridge->pin;
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if (!bridge_pin) {
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ACPI_DEBUG_PRINT((ACPI_DB_INFO,
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"No interrupt pin configured for device %s\n",
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pci_name(bridge)));
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return NULL;
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}
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pin = bridge_pin;
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}
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entry = acpi_pci_irq_find_prt_entry(bridge, pin);
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if (entry) {
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ACPI_DEBUG_PRINT((ACPI_DB_INFO,
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"Derived GSI for %s INT %c from %s\n",
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pci_name(dev), pin_name(orig_pin),
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pci_name(bridge)));
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return entry;
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}
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dev = bridge;
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bridge = dev->bus->self;
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}
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dbgprintf("can't derive routing for PCI INT %c\n",
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pin_name(orig_pin));
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return NULL;
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}
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int acpi_get_irq(struct pci_dev *dev)
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{
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struct acpi_prt_entry *entry;
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int gsi = -1;
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u8 pin;
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int triggering = ACPI_LEVEL_SENSITIVE;
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int polarity = ACPI_ACTIVE_LOW;
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char *link = NULL;
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char link_desc[16];
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int rc;
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pin = dev->pin;
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if (!pin) {
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dbgprintf(("No interrupt pin configured for device %s\n",
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pci_name(dev)));
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return 0;
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}
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entry = acpi_pci_irq_lookup(dev, pin);
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if (!entry) {
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/*
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* IDE legacy mode controller IRQs are magic. Why do compat
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* extensions always make such a nasty mess.
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*/
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if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
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(dev->class & 0x05) == 0)
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return 0;
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}
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if (entry)
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{
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if (entry->link)
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{
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gsi = acpi_pci_link_allocate_irq(entry->link,
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entry->index,
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&triggering, &polarity,
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&link);
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// dbgprintf("link not implemen\n");
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}
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else
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gsi = entry->index;
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} else
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gsi = -1;
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#if 0
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/*
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* No IRQ known to the ACPI subsystem - maybe the BIOS /
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* driver reported one, then use it. Exit in any case.
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*/
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if (gsi < 0) {
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u32 dev_gsi;
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dev_warn(&dev->dev, "PCI INT %c: no GSI", pin_name(pin));
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/* Interrupt Line values above 0xF are forbidden */
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if (dev->irq > 0 && (dev->irq <= 0xF) &&
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(acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) {
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printk(" - using ISA IRQ %d\n", dev->irq);
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acpi_register_gsi(&dev->dev, dev_gsi,
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ACPI_LEVEL_SENSITIVE,
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ACPI_ACTIVE_LOW);
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return 0;
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} else {
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printk("\n");
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return 0;
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}
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}
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rc = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);
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if (rc < 0) {
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dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n",
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pin_name(pin));
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return rc;
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}
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dev->irq = rc;
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if (link)
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snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
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else
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link_desc[0] = '\0';
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dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
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pin_name(pin), link_desc, gsi,
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(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
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(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
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#endif
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return gsi;
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}
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#define ACPI_PCI_LINK_MAX_POSSIBLE 16
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/*
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* If a link is initialized, we never change its active and initialized
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* later even the link is disable. Instead, we just repick the active irq
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*/
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struct acpi_pci_link_irq {
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u8 active; /* Current IRQ */
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u8 triggering; /* All IRQs */
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u8 polarity; /* All IRQs */
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u8 resource_type;
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u8 possible_count;
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u8 possible[ACPI_PCI_LINK_MAX_POSSIBLE];
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u8 initialized:1;
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u8 reserved:7;
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};
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struct acpi_pci_link {
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struct list_head list;
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struct acpi_device *device;
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struct acpi_pci_link_irq irq;
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int refcnt;
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};
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static LIST_HEAD(acpi_link_list);
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static DEFINE_MUTEX(acpi_link_lock);
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static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
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{
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int result;
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ACPI_STATUS status;
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struct {
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struct acpi_resource res;
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struct acpi_resource end;
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} *resource;
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ACPI_BUFFER buffer = { 0, NULL };
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if (!irq)
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return -EINVAL;
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resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
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if (!resource)
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return -ENOMEM;
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buffer.Length = sizeof(*resource) + 1;
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buffer.Pointer = resource;
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switch (link->irq.resource_type) {
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case ACPI_RESOURCE_TYPE_IRQ:
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resource->res.Type = ACPI_RESOURCE_TYPE_IRQ;
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resource->res.Length = sizeof(struct acpi_resource);
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resource->res.Data.Irq.Triggering = link->irq.triggering;
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resource->res.Data.Irq.Polarity =
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link->irq.polarity;
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if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
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resource->res.Data.Irq.Sharable =
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ACPI_EXCLUSIVE;
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else
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resource->res.Data.Irq.Sharable = ACPI_SHARED;
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resource->res.Data.Irq.InterruptCount = 1;
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resource->res.Data.Irq.Interrupts[0] = irq;
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break;
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case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
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resource->res.Type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;
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resource->res.Length = sizeof(struct acpi_resource);
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resource->res.Data.ExtendedIrq.ProducerConsumer =
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ACPI_CONSUMER;
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resource->res.Data.ExtendedIrq.Triggering =
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link->irq.triggering;
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resource->res.Data.ExtendedIrq.Polarity =
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link->irq.polarity;
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if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
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resource->res.Data.Irq.Sharable =
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ACPI_EXCLUSIVE;
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else
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resource->res.Data.Irq.Sharable = ACPI_SHARED;
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resource->res.Data.ExtendedIrq.InterruptCount = 1;
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resource->res.Data.ExtendedIrq.Interrupts[0] = irq;
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/* ignore resource_source, it's optional */
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break;
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default:
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printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);
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result = -EINVAL;
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goto end;
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}
|
||||||
|
resource->end.Type = ACPI_RESOURCE_TYPE_END_TAG;
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
/* Attempt to set the resource */
|
||||||
|
status = acpi_set_current_resources(link->device->handle, &buffer);
|
||||||
|
|
||||||
|
/* check for total failure */
|
||||||
|
if (ACPI_FAILURE(status)) {
|
||||||
|
dbgprintf("%s failure Evaluating _SRS", __FUNCTION__);
|
||||||
|
result = -ENODEV;
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Query _STA, set device->status */
|
||||||
|
result = acpi_bus_get_status(link->device);
|
||||||
|
if (result) {
|
||||||
|
printk(KERN_ERR PREFIX "Unable to read status\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
if (!link->device->status.enabled) {
|
||||||
|
printk(KERN_WARNING PREFIX
|
||||||
|
"%s [%s] disabled and referenced, BIOS bug\n",
|
||||||
|
acpi_device_name(link->device),
|
||||||
|
acpi_device_bid(link->device));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Query _CRS, set link->irq.active */
|
||||||
|
result = acpi_pci_link_get_current(link);
|
||||||
|
if (result) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Is current setting not what we set?
|
||||||
|
* set link->irq.active
|
||||||
|
*/
|
||||||
|
if (link->irq.active != irq) {
|
||||||
|
/*
|
||||||
|
* policy: when _CRS doesn't return what we just _SRS
|
||||||
|
* assume _SRS worked and override _CRS value.
|
||||||
|
*/
|
||||||
|
printk(KERN_WARNING PREFIX
|
||||||
|
"%s [%s] BIOS reported IRQ %d, using IRQ %d\n",
|
||||||
|
acpi_device_name(link->device),
|
||||||
|
acpi_device_bid(link->device), link->irq.active, irq);
|
||||||
|
link->irq.active = irq;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));
|
||||||
|
|
||||||
|
end:
|
||||||
|
kfree(resource);
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
#define ACPI_MAX_IRQS 256
|
||||||
|
#define ACPI_MAX_ISA_IRQ 16
|
||||||
|
|
||||||
|
#define PIRQ_PENALTY_PCI_AVAILABLE (0)
|
||||||
|
#define PIRQ_PENALTY_PCI_POSSIBLE (16*16)
|
||||||
|
#define PIRQ_PENALTY_PCI_USING (16*16*16)
|
||||||
|
#define PIRQ_PENALTY_ISA_TYPICAL (16*16*16*16)
|
||||||
|
#define PIRQ_PENALTY_ISA_USED (16*16*16*16*16)
|
||||||
|
#define PIRQ_PENALTY_ISA_ALWAYS (16*16*16*16*16*16)
|
||||||
|
|
||||||
|
static int acpi_irq_penalty[ACPI_MAX_IRQS] = {
|
||||||
|
PIRQ_PENALTY_ISA_ALWAYS, /* IRQ0 timer */
|
||||||
|
PIRQ_PENALTY_ISA_ALWAYS, /* IRQ1 keyboard */
|
||||||
|
PIRQ_PENALTY_ISA_ALWAYS, /* IRQ2 cascade */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ3 serial */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ4 serial */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ5 sometimes SoundBlaster */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ6 */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ7 parallel, spurious */
|
||||||
|
PIRQ_PENALTY_ISA_TYPICAL, /* IRQ8 rtc, sometimes */
|
||||||
|
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ9 PCI, often acpi */
|
||||||
|
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ10 PCI */
|
||||||
|
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ11 PCI */
|
||||||
|
PIRQ_PENALTY_ISA_USED, /* IRQ12 mouse */
|
||||||
|
PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */
|
||||||
|
PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */
|
||||||
|
PIRQ_PENALTY_ISA_USED, /* IRQ15 ide1 */
|
||||||
|
/* >IRQ15 */
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static int acpi_irq_balance = 0;
|
||||||
|
|
||||||
|
static int acpi_pci_link_allocate(struct acpi_pci_link *link)
|
||||||
|
{
|
||||||
|
int irq;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
if (link->irq.initialized) {
|
||||||
|
if (link->refcnt == 0)
|
||||||
|
/* This means the link is disabled but initialized */
|
||||||
|
acpi_pci_link_set(link, link->irq.active);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* search for active IRQ in list of possible IRQs.
|
||||||
|
*/
|
||||||
|
for (i = 0; i < link->irq.possible_count; ++i) {
|
||||||
|
if (link->irq.active == link->irq.possible[i])
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
* forget active IRQ that is not in possible list
|
||||||
|
*/
|
||||||
|
if (i == link->irq.possible_count) {
|
||||||
|
printk(KERN_WARNING PREFIX "_CRS %d not found"
|
||||||
|
" in _PRS\n", link->irq.active);
|
||||||
|
link->irq.active = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* if active found, use it; else pick entry from end of possible list.
|
||||||
|
*/
|
||||||
|
if (link->irq.active)
|
||||||
|
irq = link->irq.active;
|
||||||
|
else
|
||||||
|
irq = link->irq.possible[link->irq.possible_count - 1];
|
||||||
|
|
||||||
|
if (acpi_irq_balance || !link->irq.active) {
|
||||||
|
/*
|
||||||
|
* Select the best IRQ. This is done in reverse to promote
|
||||||
|
* the use of IRQs 9, 10, 11, and >15.
|
||||||
|
*/
|
||||||
|
for (i = (link->irq.possible_count - 1); i >= 0; i--) {
|
||||||
|
if (acpi_irq_penalty[irq] >
|
||||||
|
acpi_irq_penalty[link->irq.possible[i]])
|
||||||
|
irq = link->irq.possible[i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Attempt to enable the link device at this IRQ. */
|
||||||
|
if (acpi_pci_link_set(link, irq)) {
|
||||||
|
printk(KERN_ERR PREFIX "Unable to set IRQ for %s [%s]. "
|
||||||
|
"Try pci=noacpi or acpi=off\n",
|
||||||
|
acpi_device_name(link->device),
|
||||||
|
acpi_device_bid(link->device));
|
||||||
|
return -ENODEV;
|
||||||
|
} else {
|
||||||
|
acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING;
|
||||||
|
printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n",
|
||||||
|
acpi_device_name(link->device),
|
||||||
|
acpi_device_bid(link->device), link->irq.active);
|
||||||
|
}
|
||||||
|
|
||||||
|
link->irq.initialized = 1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* acpi_pci_link_allocate_irq
|
||||||
|
* success: return IRQ >= 0
|
||||||
|
* failure: return -1
|
||||||
|
*/
|
||||||
|
int acpi_pci_link_allocate_irq(ACPI_HANDLE handle, int index,
|
||||||
|
int *triggering, int *polarity, char **name)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
struct acpi_device *device;
|
||||||
|
struct acpi_pci_link *link;
|
||||||
|
|
||||||
|
result = acpi_bus_get_device(handle, &device);
|
||||||
|
if (result) {
|
||||||
|
printk(KERN_ERR PREFIX "Invalid link device\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
link = acpi_driver_data(device);
|
||||||
|
if (!link) {
|
||||||
|
printk(KERN_ERR PREFIX "Invalid link context\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* TBD: Support multiple index (IRQ) entries per Link Device */
|
||||||
|
if (index) {
|
||||||
|
printk(KERN_ERR PREFIX "Invalid index %d\n", index);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
mutex_lock(&acpi_link_lock);
|
||||||
|
if (acpi_pci_link_allocate(link)) {
|
||||||
|
mutex_unlock(&acpi_link_lock);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!link->irq.active) {
|
||||||
|
mutex_unlock(&acpi_link_lock);
|
||||||
|
printk(KERN_ERR PREFIX "Link active IRQ is 0!\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
link->refcnt++;
|
||||||
|
mutex_unlock(&acpi_link_lock);
|
||||||
|
|
||||||
|
if (triggering)
|
||||||
|
*triggering = link->irq.triggering;
|
||||||
|
if (polarity)
|
||||||
|
*polarity = link->irq.polarity;
|
||||||
|
if (name)
|
||||||
|
*name = acpi_device_bid(link->device);
|
||||||
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
|
||||||
|
"Link %s is referenced\n",
|
||||||
|
acpi_device_bid(link->device)));
|
||||||
|
return (link->irq.active);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -22,7 +22,7 @@ static const struct acpi_device_ids root_device_ids[] = {
|
|||||||
{"", 0},
|
{"", 0},
|
||||||
};
|
};
|
||||||
|
|
||||||
static LIST_HEAD(acpi_pci_roots);
|
LIST_HEAD(acpi_pci_roots);
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -147,3 +147,44 @@ out:
|
|||||||
return pdev;
|
return pdev;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void print_bus_irqs(struct pci_bus *bus)
|
||||||
|
{
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
list_for_each_entry(dev, &bus->devices, bus_list)
|
||||||
|
{
|
||||||
|
dbgprintf("PCI_%x_%x bus:%d devfn: %x bios irq %d acpi irq %d\n",
|
||||||
|
dev->vendor, dev->device, dev->busnr, dev->devfn,
|
||||||
|
dev->irq, acpi_get_irq(dev));
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
void print_pci_irqs()
|
||||||
|
{
|
||||||
|
struct acpi_pci_root *root;
|
||||||
|
|
||||||
|
ENTER();
|
||||||
|
list_for_each_entry(root, &acpi_pci_roots, node)
|
||||||
|
{
|
||||||
|
struct pci_bus *pbus, *tbus;
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
pbus = root->bus;
|
||||||
|
|
||||||
|
list_for_each_entry(dev, &pbus->devices, bus_list)
|
||||||
|
{
|
||||||
|
dbgprintf("PCI_%x_%x bus:%d devfn: %x bios irq %d acpi irq %d\n",
|
||||||
|
dev->vendor, dev->device, dev->busnr, dev->devfn,
|
||||||
|
dev->irq, acpi_get_irq(dev));
|
||||||
|
};
|
||||||
|
|
||||||
|
list_for_each_entry(tbus, &pbus->children, node)
|
||||||
|
{
|
||||||
|
print_bus_irqs(tbus);
|
||||||
|
};
|
||||||
|
}
|
||||||
|
LEAVE();
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -575,6 +575,7 @@ int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
|
|||||||
struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
|
struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
|
||||||
unsigned int pci_scan_child_bus(struct pci_bus *bus);
|
unsigned int pci_scan_child_bus(struct pci_bus *bus);
|
||||||
void pcibios_fixup_bus(struct pci_bus *b);
|
void pcibios_fixup_bus(struct pci_bus *b);
|
||||||
|
u8 pci_swizzle_interrupt_pin(struct pci_dev *dev, u8 pin);
|
||||||
|
|
||||||
|
|
||||||
static inline bool pci_is_root_bus(struct pci_bus *pbus)
|
static inline bool pci_is_root_bus(struct pci_bus *pbus)
|
||||||
@ -652,7 +653,9 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
#define pci_name(x) "radeon"
|
int acpi_get_irq(struct pci_dev *dev);
|
||||||
|
|
||||||
|
#define pci_name(x) ""
|
||||||
|
|
||||||
#endif //__PCI__H__
|
#endif //__PCI__H__
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user