ofw_pci_if.m revision 133589
1# Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org> 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16# IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 17# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 21# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 22# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23# 24# $FreeBSD: head/sys/sparc64/pci/ofw_pci_if.m 133589 2004-08-12 17:41:33Z marius $ 25 26#include <sys/bus.h> 27#include <machine/bus.h> 28 29#include <dev/ofw/openfirm.h> 30 31#include <sparc64/pci/ofw_pci.h> 32 33INTERFACE ofw_pci; 34 35CODE { 36 static ofw_pci_intr_pending_t ofw_pci_default_intr_pending; 37 static ofw_pci_get_bus_handle_t ofw_pci_default_get_bus_handle; 38 static ofw_pci_adjust_busrange_t ofw_pci_default_adjust_busrange; 39 40 static int 41 ofw_pci_default_intr_pending(device_t dev, ofw_pci_intr_t intr) 42 { 43 44 return (OFW_PCI_INTR_PENDING(device_get_parent(dev), intr)); 45 } 46 47 static bus_space_handle_t 48 ofw_pci_default_get_bus_handle(device_t dev, int type, 49 bus_space_handle_t childhdl, bus_space_tag_t *tag) 50 { 51 52 return (OFW_PCI_GET_BUS_HANDLE(device_get_parent(dev), type, 53 childhdl, tag)); 54 } 55 56 static void 57 ofw_pci_default_adjust_busrange(device_t dev, u_int busno) 58 { 59 60 return (OFW_PCI_ADJUST_BUSRANGE(device_get_parent(dev), busno)); 61 } 62}; 63 64# Return whether an interrupt request is pending for the INO intr. 65METHOD int intr_pending { 66 device_t dev; 67 ofw_pci_intr_t intr; 68} DEFAULT ofw_pci_default_intr_pending; 69 70# Get the bustag for the root bus. This is needed for ISA old-stlye 71# in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is 72# passed. The returned tag is used to construct a tag for the whole ISA bus. 73METHOD bus_space_handle_t get_bus_handle { 74 device_t dev; 75 int type; 76 bus_space_handle_t childhdl; 77 bus_space_tag_t *tag; 78} DEFAULT ofw_pci_default_get_bus_handle; 79 80# Make sure that all PCI bridges up in the hierarchy contain this bus in their 81# subordinate bus range. This is required because we reenumerate all PCI 82# buses. 83METHOD void adjust_busrange { 84 device_t dev; 85 u_int subbus; 86} DEFAULT ofw_pci_default_adjust_busrange; 87