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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [i386/] [shared/] [pci/] [pcibios.h] - Rev 1765
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/* * This software is Copyright (C) 1998 by T.sqware - all rights limited * It is provided in to the public domain "as is", can be freely modified * as far as this copyight notice is kept unchanged, but does not imply * an endorsement by T.sqware of the product in which it is included. */ #ifndef _PCIB_H #define _PCIB_H /* Error codes */ #define PCIB_ERR_SUCCESS (0) #define PCIB_ERR_UNINITIALIZED (-1) /* PCI BIOS is not initilized */ #define PCIB_ERR_NOTPRESENT (-2) /* PCI BIOS not present */ #define PCIB_ERR_NOFUNC (-3) /* Function not supported */ #define PCIB_ERR_BADVENDOR (-4) /* Bad Vendor ID */ #define PCIB_ERR_DEVNOTFOUND (-5) /* Device not found */ #define PCIB_ERR_BADREG (-6) /* Bad register number */ /* * Make device signature from bus number, device numebr and function * number */ #define PCIB_DEVSIG_MAKE(b,d,f) ((b<<8)|(d<<3)|(f)) /* * Extract valrous part from device signature */ #define PCIB_DEVSIG_BUS(x) (((x)>>8) &0xff) #define PCIB_DEVSIG_DEV(x) (((x)>>3) & 0x1f) #define PCIB_DEVSIG_FUNC(x) ((x) & 0x7) int pcib_init(void); int pcib_find_by_devid(int vendorId, int devId, int idx, int *sig); int pcib_find_by_class(int classCode, int idx, int *sig); int pcib_special_cycle(int busNo, int data); int pcib_conf_read8(int sig, int off, unsigned char *data); int pcib_conf_read16(int sig, int off, unsigned short *data); int pcib_conf_read32(int sig, int off, unsigned int *data); int pcib_conf_write8(int sig, int off, unsigned int data); int pcib_conf_write16(int sig, int off, unsigned int data); int pcib_conf_write32(int sig, int off, unsigned int data); #endif /* _PCIB_H */