freebsd-dev/sys/alpha/include/chipset.h
Doug Rabson a0ab71761c Add functions for accessing dense and bwx memory for pci devices. These
routines are necessary to allow the use of certain types of hardware on
the alpha, particularly a Myrinet card.

Submitted by: Andrew Gallatin <gallatin@cs.duke.edu>
1998-10-06 14:18:40 +00:00

108 lines
3.9 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* 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.
*
* 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.
*
* $Id: chipset.h,v 1.4 1998/08/10 07:53:58 dfr Exp $
*/
#ifndef _MACHINE_CHIPSET_H_
#define _MACHINE_CHIPSET_H_
typedef u_int8_t alpha_chipset_inb_t(u_int32_t port);
typedef u_int16_t alpha_chipset_inw_t(u_int32_t port);
typedef u_int32_t alpha_chipset_inl_t(u_int32_t port);
typedef void alpha_chipset_outb_t(u_int32_t port, u_int8_t data);
typedef void alpha_chipset_outw_t(u_int32_t port, u_int16_t data);
typedef void alpha_chipset_outl_t(u_int32_t port, u_int32_t data);
typedef u_int8_t alpha_chipset_readb_t(u_int32_t pa);
typedef u_int16_t alpha_chipset_readw_t(u_int32_t pa);
typedef u_int32_t alpha_chipset_readl_t(u_int32_t pa);
typedef void alpha_chipset_writeb_t(u_int32_t pa, u_int8_t data);
typedef void alpha_chipset_writew_t(u_int32_t pa, u_int16_t data);
typedef void alpha_chipset_writel_t(u_int32_t pa, u_int32_t data);
typedef int alpha_chipset_maxdevs_t(u_int bus);
typedef u_int8_t alpha_chipset_cfgreadb_t(u_int, u_int, u_int, u_int);
typedef u_int16_t alpha_chipset_cfgreadw_t(u_int, u_int, u_int, u_int);
typedef u_int32_t alpha_chipset_cfgreadl_t(u_int, u_int, u_int, u_int);
typedef void alpha_chipset_cfgwriteb_t(u_int, u_int, u_int, u_int,
u_int8_t);
typedef void alpha_chipset_cfgwritew_t(u_int, u_int, u_int, u_int,
u_int16_t);
typedef void alpha_chipset_cfgwritel_t(u_int, u_int, u_int, u_int,
u_int32_t);
typedef vm_offset_t alpha_chipset_addrcvt_t(vm_offset_t);
typedef struct alpha_chipset {
/*
* I/O port access
*/
alpha_chipset_inb_t* inb;
alpha_chipset_inw_t* inw;
alpha_chipset_inl_t* inl;
alpha_chipset_outb_t* outb;
alpha_chipset_outw_t* outw;
alpha_chipset_outl_t* outl;
/*
* Memory access
*/
alpha_chipset_readb_t* readb;
alpha_chipset_readw_t* readw;
alpha_chipset_readl_t* readl;
alpha_chipset_writeb_t* writeb;
alpha_chipset_writew_t* writew;
alpha_chipset_writel_t* writel;
/*
* PCI configuration access
*/
alpha_chipset_maxdevs_t* maxdevs;
alpha_chipset_cfgreadb_t* cfgreadb;
alpha_chipset_cfgreadw_t* cfgreadw;
alpha_chipset_cfgreadl_t* cfgreadl;
alpha_chipset_cfgwriteb_t* cfgwriteb;
alpha_chipset_cfgwritew_t* cfgwritew;
alpha_chipset_cfgwritel_t* cfgwritel;
/*
* PCI address space translation functions
*/
alpha_chipset_addrcvt_t* cvt_to_dense;
alpha_chipset_addrcvt_t* cvt_to_bwx;
/*
* PCI interrupt device.
* (XXX hack until I change pci code to use new
* device framework.)
*/
void* intrdev;
} alpha_chipset_t;
extern alpha_chipset_t chipset;
#endif /* !_MACHINE_CHIPSET_H_ */