83 lines
3.7 KiB
C
83 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier
|
|
* Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
|
|
* Copyright (c) 2000 BSDi
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef __PCIB_PRIVATE_H__
|
|
#define __PCIB_PRIVATE_H__
|
|
|
|
/*
|
|
* Export portions of generic PCI:PCI bridge support so that it can be
|
|
* used by subclasses.
|
|
*/
|
|
|
|
/*
|
|
* Bridge-specific data.
|
|
*/
|
|
struct pcib_softc
|
|
{
|
|
device_t dev;
|
|
uint32_t flags; /* flags */
|
|
#define PCIB_SUBTRACTIVE 0x1
|
|
uint16_t command; /* command register */
|
|
uint8_t secbus; /* secondary bus number */
|
|
uint8_t subbus; /* subordinate bus number */
|
|
pci_addr_t pmembase; /* base address of prefetchable memory */
|
|
pci_addr_t pmemlimit; /* topmost address of prefetchable memory */
|
|
pci_addr_t membase; /* base address of memory window */
|
|
pci_addr_t memlimit; /* topmost address of memory window */
|
|
uint32_t iobase; /* base address of port window */
|
|
uint32_t iolimit; /* topmost address of port window */
|
|
uint16_t secstat; /* secondary bus status register */
|
|
uint16_t bridgectl; /* bridge control register */
|
|
uint8_t seclat; /* secondary bus latency timer */
|
|
};
|
|
|
|
typedef uint32_t pci_read_config_fn(int b, int s, int f, int reg, int width);
|
|
|
|
int host_pcib_get_busno(pci_read_config_fn read_config, int bus,
|
|
int slot, int func, uint8_t *busnum);
|
|
int pcib_attach(device_t dev);
|
|
void pcib_attach_common(device_t dev);
|
|
int pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result);
|
|
int pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value);
|
|
struct resource *pcib_alloc_resource(device_t dev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags);
|
|
int pcib_maxslots(device_t dev);
|
|
uint32_t pcib_read_config(device_t dev, int b, int s, int f, int reg, int width);
|
|
void pcib_write_config(device_t dev, int b, int s, int f, int reg, uint32_t val, int width);
|
|
int pcib_route_interrupt(device_t pcib, device_t dev, int pin);
|
|
int pcib_alloc_msi(device_t pcib, device_t dev, int count, int maxcount, int *irqs);
|
|
int pcib_release_msi(device_t pcib, device_t dev, int count, int *irqs);
|
|
int pcib_alloc_msix(device_t pcib, device_t dev, int index, int *irq);
|
|
int pcib_release_msix(device_t pcib, device_t dev, int irq);
|
|
|
|
#endif
|