1# 2# Copyright (c) 1998 Doug Rabson 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD: src/sys/pci/pci_if.m,v 1.2.2.1 2001/07/21 22:40:26 imp Exp $ 27# $DragonFly: src/sys/bus/pci/pci_if.m,v 1.4 2004/02/21 06:37:05 dillon Exp $ 28# 29 30#include <sys/bus.h> 31 32INTERFACE pci; 33 34METHOD u_int32_t read_config { 35 device_t dev; 36 device_t child; 37 int reg; 38 int width; 39}; 40 41METHOD void write_config { 42 device_t dev; 43 device_t child; 44 int reg; 45 u_int32_t val; 46 int width; 47}; 48 49METHOD int get_powerstate { 50 device_t dev; 51 device_t child; 52}; 53 54METHOD int set_powerstate { 55 device_t dev; 56 device_t child; 57 int state; 58}; 59 60METHOD int enable_busmaster { 61 device_t dev; 62 device_t child; 63}; 64 65METHOD int disable_busmaster { 66 device_t dev; 67 device_t child; 68}; 69 70METHOD int enable_io { 71 device_t dev; 72 device_t child; 73 int space; 74}; 75 76METHOD int disable_io { 77 device_t dev; 78 device_t child; 79 int space; 80}; 81 82METHOD int assign_interrupt { 83 device_t dev; 84 device_t child; 85}; 86 87 88# 89# Route an interrupt. Returns a value suitable for stuffing into 90# a device's interrupt register. 91# 92METHOD int route_interrupt { 93 device_t pcib; 94 device_t dev; 95 int pin; 96}; 97