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#ifndef _PCI_SCAN_H
#define _PCI_SCAN_H
/*
version 1.02 $Version:$ $Date: 2006/01/22 15:54:41 $
Copyright 1999-2001 Donald Becker / Scyld Computing Corporation
This software is part of the Linux kernel. It may be used and
distributed according to the terms of the GNU Public License,
incorporated herein by reference.
*/
/*
These are the structures in the table that drives the PCI probe routines.
Note the matching code uses a bitmask: more specific table entries should
be placed before "catch-all" entries.
The table must be zero terminated.
*/
enum pci_id_flags_bits {
/* Set PCI command register bits before calling probe1(). */
PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
/* Read and map the single following PCI BAR. */
PCI_ADDR0=0<<4, PCI_ADDR1=1<<4, PCI_ADDR2=2<<4, PCI_ADDR3=3<<4,
PCI_ADDR_64BITS=0x100, PCI_NO_ACPI_WAKE=0x200, PCI_NO_MIN_LATENCY=0x400,
PCI_UNUSED_IRQ=0x800,
};
struct pci_id_info {
const char *name;
struct match_info {
int pci, pci_mask, subsystem, subsystem_mask;
int revision, revision_mask; /* Only 8 bits. */
} id;
enum pci_id_flags_bits pci_flags;
int io_size; /* Needed for I/O region check or ioremap(). */
int drv_flags; /* Driver use, intended as capability flags. */
};
enum drv_id_flags {
PCI_HOTSWAP=1, /* Leave module loaded for Cardbus-like chips. */
};
enum drv_pwr_action {
DRV_NOOP, /* No action. */
DRV_ATTACH, /* The driver may expect power ops. */
DRV_SUSPEND, /* Machine suspending, next event RESUME or DETACH. */
DRV_RESUME, /* Resume from previous SUSPEND */
DRV_DETACH, /* Card will-be/is gone. Valid from SUSPEND! */
DRV_PWR_WakeOn, /* Put device in e.g. Wake-On-LAN mode. */
DRV_PWR_DOWN, /* Go to lowest power mode. */
DRV_PWR_UP, /* Go to normal power mode. */
};
struct drv_id_info {
const char *name; /* Single-word driver name. */
int flags;
int pci_class; /* Typically PCI_CLASS_NETWORK_ETHERNET<<8. */
struct pci_id_info *pci_dev_tbl;
void *(*probe1)(struct pci_dev *pdev, void *dev_ptr,
long ioaddr, int irq, int table_idx, int fnd_cnt);
/* Optional, called for suspend, resume and detach. */
int (*pwr_event)(void *dev, int event);
/* Internal values. */
struct drv_id_info *next;
void *cb_ops;
};
/* PCI scan and activate.
Scan PCI-like hardware, calling probe1(..,dev,..) on devices that match.
Returns -ENODEV, a negative number, if no cards are found. */
extern int pci_drv_register(struct drv_id_info *drv_id, void *initial_device);
extern void pci_drv_unregister(struct drv_id_info *drv_id);
/* ACPI routines.
Wake (change to ACPI D0 state) or set the ACPI power level of a sleeping
ACPI device. Returns the old power state. */
int acpi_wake(struct pci_dev *pdev);
enum acpi_pwr_state {ACPI_D0, ACPI_D1, ACPI_D2, ACPI_D3};
int acpi_set_pwr_state(struct pci_dev *pdev, enum acpi_pwr_state state);
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/
#endif
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