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/*-
* 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__
#ifdef NEW_PCIB
/*
* Data structure and routines that Host to PCI bridge drivers can use
* to restrict allocations for child devices to ranges decoded by the
* bridge.
*/
struct pcib_host_resources {
device_t hr_pcib;
struct resource_list hr_rl;
};
int pcib_host_res_init(device_t pcib,
struct pcib_host_resources *hr);
int pcib_host_res_free(device_t pcib,
struct pcib_host_resources *hr);
int pcib_host_res_decodes(struct pcib_host_resources *hr, int type,
u_long start, u_long end, u_int flags);
struct resource *pcib_host_res_alloc(struct pcib_host_resources *hr,
device_t dev, int type, int *rid, u_long start, u_long end,
u_long count, u_int flags);
int pcib_host_res_adjust(struct pcib_host_resources *hr,
device_t dev, int type, struct resource *r, u_long start,
u_long end);
#endif
/*
* Export portions of generic PCI:PCI bridge support so that it can be
* used by subclasses.
*/
DECLARE_CLASS(pcib_driver);
#ifdef NEW_PCIB
#define WIN_IO 0x1
#define WIN_MEM 0x2
#define WIN_PMEM 0x4
struct pcib_window {
pci_addr_t base; /* base address */
pci_addr_t limit; /* topmost address */
struct rman rman;
struct resource **res;
int count; /* size of 'res' array */
int reg; /* resource id from parent */
int valid;
int mask; /* WIN_* bitmask of this window */
int step; /* log_2 of window granularity */
const char *name;
};
#endif
/*
* Bridge-specific data.
*/
struct pcib_softc
{
device_t dev;
uint32_t flags; /* flags */
#define PCIB_SUBTRACTIVE 0x1
#define PCIB_DISABLE_MSI 0x2
#define PCIB_DISABLE_MSIX 0x4
uint16_t command; /* command register */
u_int domain; /* domain number */
u_int pribus; /* primary bus number */
u_int secbus; /* secondary bus number */
u_int subbus; /* subordinate bus number */
#ifdef NEW_PCIB
struct pcib_window io; /* I/O port window */
struct pcib_window mem; /* memory window */
struct pcib_window pmem; /* prefetchable memory window */
#else
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 */
#endif
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);
#ifdef NEW_PCIB
const char *pcib_child_name(device_t child);
#endif
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);
#ifdef NEW_PCIB
int pcib_adjust_resource(device_t bus, device_t child, int type,
struct resource *r, u_long start, u_long end);
int pcib_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r);
#endif
int pcib_maxslots(device_t dev);
uint32_t pcib_read_config(device_t dev, u_int b, u_int s, u_int f, u_int reg, int width);
void pcib_write_config(device_t dev, u_int b, u_int s, u_int f, u_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 *irq);
int pcib_release_msix(device_t pcib, device_t dev, int irq);
int pcib_map_msi(device_t pcib, device_t dev, int irq, uint64_t *addr, uint32_t *data);
#endif
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