pcidrvr.h

qnx powerpc MPC8245的 BSP源文件

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software except in  
 * compliance with the License. You may obtain a copy of the License  
 * at: http://www.apache.org/licenses/LICENSE-2.0  
 *  
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" basis,  
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $ 
 */






#ifndef __PCIDRVR_H_INCLUDED
#define __PCIDRVR_H_INCLUDED

#ifndef __PLATFORM_H_INCLUDED
#include <sys/platform.h>
#endif

#ifndef _INTTYPES_H_INCLUDED
 #include <inttypes.h>
#endif

#ifndef __TYPES_H_INCLUDED
 #include <sys/types.h>
#endif

#include	<hw/pci.h>

#define PCI_IO_SPACE			0x01
#define PCI_MEM_SPACE			0x02
#define PCI_ROM_SPACE			0x04
#define PCI_ISA_SPACE			0x08
#define PCI_BMSTR_SPACE			0x10
#define	PCI_MEM_PREFETCH		0x20
#define PCI_MAP_ADDR_CPU		0x40000000
#define PCI_MAP_ADDR_PCI		0x80000000

#define PCI_UNMAP_IRQ			0x00
#define PCI_MAP_IRQ				0x01

#define	PCI_SHARE_IRQ			0x8000

typedef	struct {
	int			bus;
	void		*handle;
	} map_handle_t;

typedef	struct _pci_bus {
	uint8_t		Min_Gnt;		/* largest min grant */
	uint8_t		Max_Lat;		/* smallest max latency */
	uint8_t		devsel;			/* slowest devsel */
	uint8_t		fast_b2b;		/* support fast b2b */
	uint8_t		prefetch;		/* support prefetch */
	uint8_t		freq66;			/* support 66Mhz */
	uint8_t		width64;		/* 64-bit bus */
	uint8_t		ndev;			/* # devices on bus */
	uint32_t	bandwidth;		/* # of .25us ticks/sec @ 33Mhz */
	uint8_t		sub_bus;		/* subordinate bus number of PCI/PCI bridge */
	uint8_t		filler[3];
} pci_bus_t;

typedef struct _pdrvr_entry {
    int		nfuncs;
    int		(*attach)( char *options, void **hdl );
	int		(*detach)( void *hdl );
    int		(*cnfg_bridge)( void *hdl, uint32_t bus, uint32_t devfunc, pci_bus_t *pbus );
    int		(*read_cnfg)( void *hdl, uint32_t bus, uint32_t devfunc, uint32_t reg, uint32_t width, void *data );
    int		(*write_cnfg)( void *hdl, uint32_t bus, uint32_t devfunc, uint32_t reg, uint32_t width, const uint32_t data );
    int		(*special_cycle)( void *hdl, uint32_t bus, uint32_t data );
	int		(*map_irq)( void *hdl, uint32_t bus, uint32_t devfunc, uint32_t line, uint32_t pin, uint32_t flags );
	int		(*avail_irq)( void *hdl, uint32_t bus, uint32_t devfunc, uint32_t *list, uint32_t *nelm );
    int		(*map_addr)( void *hdl, uint64_t iaddr, uint64_t *oaddr, uint32_t type );	// address translation
	int		(*routing_options)(IRQRoutingOptionsBuffer *buf, uint16_t *irq);
	int		(*version)(void *hdl, uint32_t *lastbus, uint32_t *version, uint32_t *hardware);
} pdrvr_entry_t;

#endif