1117339Sjhb/*- 2117339Sjhb * Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org> 3117339Sjhb * All rights reserved. 4117339Sjhb * 5117339Sjhb * Redistribution and use in source and binary forms, with or without 6117339Sjhb * modification, are permitted provided that the following conditions 7117339Sjhb * are met: 8117339Sjhb * 1. Redistributions of source code must retain the above copyright 9117339Sjhb * notice, this list of conditions and the following disclaimer. 10117339Sjhb * 2. Redistributions in binary form must reproduce the above copyright 11117339Sjhb * notice, this list of conditions and the following disclaimer in the 12117339Sjhb * documentation and/or other materials provided with the distribution. 13117339Sjhb * 14117339Sjhb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15117339Sjhb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16117339Sjhb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17117339Sjhb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18117339Sjhb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19117339Sjhb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20117339Sjhb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21117339Sjhb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22117339Sjhb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23117339Sjhb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24117339Sjhb * SUCH DAMAGE. 25117339Sjhb */ 26117339Sjhb 27119418Sobrien#include <sys/cdefs.h> 28119418Sobrien__FBSDID("$FreeBSD$"); 29119418Sobrien 30117339Sjhb/* 31117339Sjhb * ISA Bridge driver for Generic ISA Bus Devices. See section 10.7 of the 32117339Sjhb * ACPI 2.0a specification for details on this device. 33117339Sjhb */ 34117339Sjhb 35117339Sjhb#include "opt_acpi.h" 36117339Sjhb#include <sys/param.h> 37117339Sjhb#include <sys/bus.h> 38129829Snjl#include <sys/kernel.h> 39117339Sjhb#include <sys/malloc.h> 40129879Sphk#include <sys/module.h> 41117339Sjhb 42193530Sjkim#include <contrib/dev/acpica/include/acpi.h> 43193530Sjkim#include <contrib/dev/acpica/include/accommon.h> 44193530Sjkim 45117339Sjhb#include <dev/acpica/acpivar.h> 46117339Sjhb#include <isa/isavar.h> 47117339Sjhb 48129829Snjl/* Hooks for the ACPI CA debugging infrastructure. */ 49117339Sjhb#define _COMPONENT ACPI_BUS 50117339SjhbACPI_MODULE_NAME("ISA_ACPI") 51117339Sjhb 52117339Sjhbstruct acpi_isab_softc { 53117339Sjhb device_t ap_dev; 54117339Sjhb ACPI_HANDLE ap_handle; 55117339Sjhb}; 56117339Sjhb 57117339Sjhbstatic int acpi_isab_probe(device_t bus); 58117339Sjhbstatic int acpi_isab_attach(device_t bus); 59117339Sjhbstatic int acpi_isab_read_ivar(device_t dev, device_t child, int which, 60117339Sjhb uintptr_t *result); 61117339Sjhb 62117339Sjhbstatic device_method_t acpi_isab_methods[] = { 63117339Sjhb /* Device interface */ 64117339Sjhb DEVMETHOD(device_probe, acpi_isab_probe), 65117339Sjhb DEVMETHOD(device_attach, acpi_isab_attach), 66117339Sjhb DEVMETHOD(device_shutdown, bus_generic_shutdown), 67117339Sjhb DEVMETHOD(device_suspend, bus_generic_suspend), 68117339Sjhb DEVMETHOD(device_resume, bus_generic_resume), 69117339Sjhb 70117339Sjhb /* Bus interface */ 71117339Sjhb DEVMETHOD(bus_read_ivar, acpi_isab_read_ivar), 72117339Sjhb DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 73117339Sjhb DEVMETHOD(bus_release_resource, bus_generic_release_resource), 74117339Sjhb DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 75117339Sjhb DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 76117339Sjhb DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 77117339Sjhb DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 78117339Sjhb 79227843Smarius DEVMETHOD_END 80117339Sjhb}; 81117339Sjhb 82117339Sjhbstatic driver_t acpi_isab_driver = { 83117339Sjhb "isab", 84117339Sjhb acpi_isab_methods, 85117339Sjhb sizeof(struct acpi_isab_softc), 86117339Sjhb}; 87117339Sjhb 88117339SjhbDRIVER_MODULE(acpi_isab, acpi, acpi_isab_driver, isab_devclass, 0, 0); 89128071SnjlMODULE_DEPEND(acpi_isab, acpi, 1, 1, 1); 90117339Sjhb 91117339Sjhbstatic int 92117339Sjhbacpi_isab_probe(device_t dev) 93117339Sjhb{ 94131282Snjl static char *isa_ids[] = { "PNP0A05", "PNP0A06", NULL }; 95117339Sjhb 96131282Snjl if (acpi_disabled("isab") || 97131282Snjl ACPI_ID_PROBE(device_get_parent(dev), dev, isa_ids) == NULL || 98131282Snjl devclass_get_device(isab_devclass, 0) != dev) 99131282Snjl return (ENXIO); 100131282Snjl 101131282Snjl device_set_desc(dev, "ACPI Generic ISA bridge"); 102131282Snjl return (0); 103117339Sjhb} 104117339Sjhb 105117339Sjhbstatic int 106117339Sjhbacpi_isab_attach(device_t dev) 107117339Sjhb{ 108117339Sjhb struct acpi_isab_softc *sc; 109117339Sjhb 110117339Sjhb ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 111117339Sjhb 112117339Sjhb sc = device_get_softc(dev); 113117339Sjhb sc->ap_dev = dev; 114117339Sjhb sc->ap_handle = acpi_get_handle(dev); 115117339Sjhb 116117339Sjhb return (isab_attach(dev)); 117117339Sjhb} 118117339Sjhb 119117339Sjhbstatic int 120117339Sjhbacpi_isab_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 121117339Sjhb{ 122117339Sjhb struct acpi_isab_softc *sc = device_get_softc(dev); 123117339Sjhb 124117339Sjhb switch (which) { 125129829Snjl case ACPI_IVAR_HANDLE: 126117339Sjhb *result = (uintptr_t)sc->ap_handle; 127129829Snjl return (0); 128117339Sjhb } 129129829Snjl return (ENOENT); 130117339Sjhb} 131