ofw_pci_if.m revision 129051
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 129051 2004-05-08 13:53:47Z 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_get_node_t ofw_pci_default_get_node; 39 static ofw_pci_adjust_busrange_t ofw_pci_default_adjust_busrange; 40 41 static int 42 ofw_pci_default_intr_pending(device_t dev, ofw_pci_intr_t intr) 43 { 44 45 return (OFW_PCI_INTR_PENDING(device_get_parent(dev), intr)); 46 } 47 48 static bus_space_handle_t 49 ofw_pci_default_get_bus_handle(device_t dev, int type, 50 bus_space_handle_t childhdl, bus_space_tag_t *tag) 51 { 52 53 return (OFW_PCI_GET_BUS_HANDLE(device_get_parent(dev), type, 54 childhdl, tag)); 55 } 56 57 static phandle_t 58 ofw_pci_default_get_node(device_t bus, device_t dev) 59 { 60 61 return (0); 62 } 63 64 static void 65 ofw_pci_default_adjust_busrange(device_t dev, u_int busno) 66 { 67 68 return (OFW_PCI_ADJUST_BUSRANGE(device_get_parent(dev), busno)); 69 } 70}; 71 72# Return whether an interrupt request is pending for the INO intr. 73METHOD int intr_pending { 74 device_t dev; 75 ofw_pci_intr_t intr; 76} DEFAULT ofw_pci_default_intr_pending; 77 78# Get the bustag for the root bus. This is needed for ISA old-stlye 79# in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is 80# passed. The returned tag is used to construct a tag for the whole ISA bus. 81METHOD bus_space_handle_t get_bus_handle { 82 device_t dev; 83 int type; 84 bus_space_handle_t childhdl; 85 bus_space_tag_t *tag; 86} DEFAULT ofw_pci_default_get_bus_handle; 87 88# Get the firmware node for the device dev on the bus. The default method will 89# return 0, which signals that there is no such node. 90# This could be an ivar, but isn't to avoid numbering conflicts with standard 91# pci/pcib ones. 92METHOD phandle_t get_node { 93 device_t bus; 94 device_t dev; 95} DEFAULT ofw_pci_default_get_node; 96 97# Make sure that all PCI bridges up in the hierarchy contain this bus in their 98# subordinate bus range. This is required because we reenumerate all PCI 99# buses. 100METHOD void adjust_busrange { 101 device_t dev; 102 u_int subbus; 103} DEFAULT ofw_pci_default_adjust_busrange; 104