joy_acpi.c revision 1.8
1/* $NetBSD: joy_acpi.c,v 1.8 2008/03/26 18:27:07 xtraeme Exp $ */ 2 3/* 4 * Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/* 29 * ACPI joy(4) attachment based in lpt_acpi.c by Jared D. McNeill. 30 */ 31 32#include <sys/cdefs.h> 33__KERNEL_RCSID(0, "$NetBSD: joy_acpi.c,v 1.8 2008/03/26 18:27:07 xtraeme Exp $"); 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/errno.h> 38#include <sys/ioctl.h> 39#include <sys/device.h> 40#include <sys/proc.h> 41 42#include <sys/bus.h> 43 44#include <dev/acpi/acpica.h> 45#include <dev/acpi/acpireg.h> 46#include <dev/acpi/acpivar.h> 47 48#include <dev/ic/joyvar.h> 49 50static int joy_acpi_match(device_t, cfdata_t, void *); 51static void joy_acpi_attach(device_t, device_t, void *); 52 53struct joy_acpi_softc { 54 struct joy_softc sc_joy; 55}; 56 57CFATTACH_DECL_NEW(joy_acpi, sizeof(struct joy_acpi_softc), joy_acpi_match, 58 joy_acpi_attach, NULL, NULL); 59 60/* 61 * Supported device IDs 62 */ 63 64static const char * const joy_acpi_ids[] = { 65 "PNPB02F", /* Joystick/Game port */ 66 NULL 67}; 68 69/* 70 * joy_acpi_match: autoconf(9) match routine 71 */ 72static int 73joy_acpi_match(device_t parent, cfdata_t match, void *aux) 74{ 75 struct acpi_attach_args *aa = aux; 76 77 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 78 return 0; 79 80 return acpi_match_hid(aa->aa_node->ad_devinfo, joy_acpi_ids); 81} 82 83/* 84 * joy_acpi_attach: autoconf(9) attach routine 85 */ 86static void 87joy_acpi_attach(device_t parent, device_t self, void *aux) 88{ 89 struct joy_acpi_softc *asc = device_private(self); 90 struct joy_softc *sc = &asc->sc_joy; 91 struct acpi_attach_args *aa = aux; 92 struct acpi_resources res; 93 struct acpi_io *io; 94 ACPI_STATUS rv; 95 96 aprint_naive("\n"); 97 aprint_normal("\n"); 98 99 sc->sc_dev = self; 100 101 /* parse resources */ 102 rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS", 103 &res, &acpi_resource_parse_ops_default); 104 if (ACPI_FAILURE(rv)) 105 return; 106 107 /* find our i/o registers */ 108 io = acpi_res_io(&res, 0); 109 if (io == NULL) { 110 aprint_error_dev(self, 111 "unable to find i/o register resource\n"); 112 goto out; 113 } 114 115 sc->sc_iot = aa->aa_iot; 116 if (bus_space_map(sc->sc_iot, io->ar_base, io->ar_length, 117 0, &sc->sc_ioh)) { 118 aprint_error_dev(self, "can't map i/o space\n"); 119 goto out; 120 } 121 122 joyattach(sc); 123 124 out: 125 acpi_resource_cleanup(&res); 126} 127