patch-2.4.6 linux/include/linux/pci.h
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- Lines: 79
- Date:
Tue Jul 3 15:43:41 2001
- Orig file:
v2.4.5/linux/include/linux/pci.h
- Orig date:
Fri May 25 18:02:11 2001
diff -u --recursive --new-file v2.4.5/linux/include/linux/pci.h linux/include/linux/pci.h
@@ -327,6 +327,9 @@
#define pci_for_each_dev_reverse(dev) \
for(dev = pci_dev_g(pci_devices.prev); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.prev))
+#define pci_for_each_bus(bus) \
+for(bus = pci_bus_b(pci_root_buses.next); bus != pci_bus_b(&pci_root_buses); bus = pci_bus_b(bus->node.next))
+
/*
* The pci_dev structure is used to describe both PCI and ISAPnP devices.
*/
@@ -356,6 +359,10 @@
this if your device has broken DMA
or supports 64-bit transfers. */
+ u32 current_state; /* Current operating state. In ACPI-speak,
+ this is D0-D3, D0 being fully functional,
+ and D3 being off. */
+
/* device is compatible with these IDs */
unsigned short vendor_compatible[DEVICE_COUNT_COMPATIBLE];
unsigned short device_compatible[DEVICE_COUNT_COMPATIBLE];
@@ -469,10 +476,12 @@
struct list_head node;
char *name;
const struct pci_device_id *id_table; /* NULL if wants all devices */
- int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */
- void (*remove)(struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
- void (*suspend)(struct pci_dev *dev); /* Device suspended */
- void (*resume)(struct pci_dev *dev); /* Device woken up */
+ int (*probe) (struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */
+ void (*remove) (struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
+ int (*save_state) (struct pci_dev *dev, u32 state); /* Save Device Context */
+ int (*suspend)(struct pci_dev *dev, u32 state); /* Device suspended */
+ int (*resume) (struct pci_dev *dev); /* Device woken up */
+ int (*enable_wake) (struct pci_dev *dev, u32 state, int enable); /* Enable wake event */
};
@@ -547,14 +556,18 @@
int pci_write_config_word(struct pci_dev *dev, int where, u16 val);
int pci_write_config_dword(struct pci_dev *dev, int where, u32 val);
-#define HAVE_PCI_DISABLE_DEVICE
int pci_enable_device(struct pci_dev *dev);
void pci_disable_device(struct pci_dev *dev);
void pci_set_master(struct pci_dev *dev);
int pci_set_dma_mask(struct pci_dev *dev, dma_addr_t mask);
-int pci_set_power_state(struct pci_dev *dev, int state);
int pci_assign_resource(struct pci_dev *dev, int i);
+/* Power management related routines */
+int pci_save_state(struct pci_dev *dev, u32 *buffer);
+int pci_restore_state(struct pci_dev *dev, u32 *buffer);
+int pci_set_power_state(struct pci_dev *dev, int state);
+int pci_enable_wake(struct pci_dev *dev, u32 state, int enable);
+
/* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
int pci_claim_resource(struct pci_dev *, int);
@@ -628,12 +641,19 @@
static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
static inline void pci_disable_device(struct pci_dev *dev) { }
static inline int pci_module_init(struct pci_driver *drv) { return -ENODEV; }
+static inline int pci_set_dma_mask(struct pci_dev *dev, dma_addr_t mask) { return -EIO; }
static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
static inline void pci_unregister_driver(struct pci_driver *drv) { }
static inline int scsi_to_pci_dma_dir(unsigned char scsi_dir) { return scsi_dir; }
static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
static inline const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev) { return NULL; }
+
+/* Power management related routines */
+static inline int pci_save_state(struct pci_dev *dev, u32 *buffer) { return 0; }
+static inline int pci_restore_state(struct pci_dev *dev, u32 *buffer) { return 0; }
+static inline int pci_set_power_state(struct pci_dev *dev, int state) { return 0; }
+static inline int pci_enable_wake(struct pci_dev *dev, u32 state, int enable) { return 0; }
#define pci_for_each_dev(dev) \
for(dev = NULL; 0; )
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