/* Include the pci register defines */
#include <linux/pci_regs.h>
-/* Include the ID list */
-#include <linux/pci_ids.h>
-
/*
* The PCI interface treats multi-function devices as independent
* devices. The slot/function address of each device is encoded
#include <linux/list.h>
#include <linux/compiler.h>
#include <linux/errno.h>
+#include <asm/atomic.h>
#include <linux/device.h>
+/* Include the ID list */
+#include <linux/pci_ids.h>
+
/* File state for mmap()s on /proc/bus/pci/X/Y */
enum pci_mmap_state {
pci_mmap_io,
unsigned int transparent:1; /* Transparent PCI bridge */
unsigned int multifunction:1;/* Part of multi-function device */
/* keep track of device state */
- unsigned int is_enabled:1; /* pci_enable_device has been called */
unsigned int is_busmaster:1; /* device is busmaster */
unsigned int no_msi:1; /* device may not use msi */
unsigned int no_d1d2:1; /* only allow d0 or d3 */
unsigned int broken_parity_status:1; /* Device generates false positive parity */
unsigned int msi_enabled:1;
unsigned int msix_enabled:1;
+ atomic_t enable_cnt; /* pci_enable_device has been called */
u32 saved_config_space[16]; /* config space saved at suspend time */
struct hlist_head saved_cap_space;
*/
#define pci_module_init pci_register_driver
+/**
+ * PCI_VDEVICE - macro used to describe a specific pci device in short form
+ * @vend: the vendor name
+ * @dev: the 16 bit PCI Device ID
+ *
+ * This macro is used to create a struct pci_device_id that matches a
+ * specific PCI device. The subvendor, and subdevice fields will be set
+ * to PCI_ANY_ID. The macro allows the next field to follow as the device
+ * private data.
+ */
+
+#define PCI_VDEVICE(vendor, device) \
+ PCI_VENDOR_ID_##vendor, (device), \
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0
+
/* these external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI
extern void pci_remove_bus_device(struct pci_dev *dev);
extern void pci_stop_bus_device(struct pci_dev *dev);
void pci_setup_cardbus(struct pci_bus *bus);
+extern void pci_sort_breadthfirst(void);
/* Generic PCI functions exported to card drivers */
int pci_find_capability (struct pci_dev *dev, int cap);
int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
int pci_find_ext_capability (struct pci_dev *dev, int cap);
-struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
+int pci_find_ht_capability (struct pci_dev *dev, int ht_cap);
+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_dev *pci_get_device(unsigned int vendor, unsigned int device,
+ struct pci_dev *from);
+struct pci_dev *pci_get_device_reverse(unsigned int vendor, unsigned int device,
+ struct pci_dev *from);
-struct pci_dev *pci_get_device (unsigned int vendor, unsigned int device, struct pci_dev *from);
struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
unsigned int ss_vendor, unsigned int ss_device,
struct pci_dev *from);
struct pci_dev *pci_get_slot (struct pci_bus *bus, unsigned int devfn);
+struct pci_dev *pci_get_bus_and_slot (unsigned int bus, unsigned int devfn);
struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
int pci_dev_present(const struct pci_device_id *ids);
+const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
int pci_bus_read_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 *val);
int pci_bus_read_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 *val);
u16 entry; /* driver uses to specify entry, OS writes */
};
-struct msi_msg {
- u32 address_lo; /* low 32 bits of msi message address */
- u32 address_hi; /* high 32 bits of msi message address */
- u32 data; /* 16 bits of msi message data */
-};
#ifndef CONFIG_PCI_MSI
static inline void pci_scan_msi_device(struct pci_dev *dev) {}
struct msix_entry *entries, int nvec);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
-
-/*
- * MSI operation vector. Used by the msi core code (drivers/pci/msi.c)
- * to abstract platform-specific tasks relating to MSI address generation
- * and resource management.
- */
-struct msi_ops {
- int needs_64bit_address;
- /**
- * setup - generate an MSI bus address and data for a given vector
- * @pdev: PCI device context (in)
- * @irq: irq allocated by the msi core (in)
- * @msg: PCI bus address and data for msi message (out)
- *
- * Description: The setup op is used to generate a PCI bus addres and
- * data which the msi core will program into the card MSI capability
- * registers. The setup routine is responsible for picking an initial
- * cpu to target the MSI at. The setup routine is responsible for
- * examining pdev to determine the MSI capabilities of the card and
- * generating a suitable address/data. The setup routine is
- * responsible for allocating and tracking any system resources it
- * needs to route the MSI to the cpu it picks, and for associating
- * those resources with the passed in vector.
- *
- * Returns 0 if the MSI address/data was successfully setup.
- **/
-
- int (*setup) (struct pci_dev *pdev, unsigned int irq,
- struct msi_msg *msg);
-
- /**
- * teardown - release resources allocated by setup
- * @vector: vector context for resources (in)
- *
- * Description: The teardown op is used to release any resources
- * that were allocated in the setup routine associated with the passed
- * in vector.
- **/
-
- void (*teardown) (unsigned int irq);
-
- /**
- * target - retarget an MSI at a different cpu
- * @vector: vector context for resources (in)
- * @cpu: new cpu to direct vector at (in)
- * @addr_hi: new value of PCI bus upper 32 bits (in/out)
- * @addr_lo: new value of PCI bus lower 32 bits (in/out)
- *
- * Description: The target op is used to redirect an MSI vector
- * at a different cpu. addr_hi/addr_lo coming in are the existing
- * values that the MSI core has programmed into the card. The
- * target code is responsible for freeing any resources (if any)
- * associated with the old address, and generating a new PCI bus
- * addr_hi/addr_lo that will redirect the vector at the indicated cpu.
- **/
-
- void (*target) (unsigned int irq, cpumask_t cpumask,
- struct msi_msg *msg);
-};
-
-extern int msi_register(struct msi_ops *ops);
-
#endif
#ifdef CONFIG_HT_IRQ
-/* Helper functions.. */
-void write_ht_irq_low(unsigned int irq, u32 data);
-void write_ht_irq_high(unsigned int irq, u32 data);
-u32 read_ht_irq_low(unsigned int irq);
-u32 read_ht_irq_high(unsigned int irq);
-void mask_ht_irq(unsigned int irq);
-void unmask_ht_irq(unsigned int irq);
-
/* The functions a driver should call */
int ht_create_irq(struct pci_dev *dev, int idx);
void ht_destroy_irq(unsigned int irq);
-
-/* The arch hook for getting things started */
-int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);
#endif /* CONFIG_HT_IRQ */
extern void pci_block_user_cfg_access(struct pci_dev *dev);
static inline struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn)
{ return NULL; }
-static inline struct pci_dev *pci_get_device (unsigned int vendor, unsigned int device, struct pci_dev *from)
+static inline struct pci_dev *pci_get_device(unsigned int vendor,
+ unsigned int device, struct pci_dev *from)
+{ return NULL; }
+
+static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor,
+ unsigned int device, struct pci_dev *from)
{ return NULL; }
static inline struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
{ return NULL; }
#define pci_dev_present(ids) (0)
+#define pci_find_present(ids) (NULL)
#define pci_dev_put(dev) do { } while (0)
static inline void pci_set_master(struct pci_dev *dev) { }
pci_fixup_header, /* After reading configuration header */
pci_fixup_final, /* Final phase of device fixups */
pci_fixup_enable, /* pci_enable_device() time */
+ pci_fixup_resume, /* pci_enable_device() time */
};
/* Anonymous variables would be nice... */
#define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook) \
DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable, \
vendor##device##hook, vendor, device, hook)
+#define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook) \
+ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume, \
+ resume##vendor##device##hook, vendor, device, hook)
void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
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