| 1 | /* $NetBSD: joy_acpi.c,v 1.11 2011/11/23 23:07:31 jmcneill 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 1.11 2011/11/23 23:07:31 jmcneill Exp $" ); |
| 34 | |
| 35 | #include <sys/param.h> |
| 36 | #include <sys/device.h> |
| 37 | #include <sys/systm.h> |
| 38 | |
| 39 | #include <dev/acpi/acpivar.h> |
| 40 | |
| 41 | #include <dev/ic/joyvar.h> |
| 42 | |
| 43 | static int joy_acpi_match(device_t, cfdata_t, void *); |
| 44 | static void joy_acpi_attach(device_t, device_t, void *); |
| 45 | |
| 46 | struct joy_acpi_softc { |
| 47 | struct joy_softc sc_joy; |
| 48 | kmutex_t sc_lock; |
| 49 | }; |
| 50 | |
| 51 | CFATTACH_DECL_NEW(joy_acpi, sizeof(struct joy_acpi_softc), joy_acpi_match, |
| 52 | joy_acpi_attach, NULL, NULL); |
| 53 | |
| 54 | /* |
| 55 | * Supported device IDs |
| 56 | */ |
| 57 | |
| 58 | static const char * const joy_acpi_ids[] = { |
| 59 | "PNPB02F" , /* Joystick/Game port */ |
| 60 | NULL |
| 61 | }; |
| 62 | |
| 63 | /* |
| 64 | * joy_acpi_match: autoconf(9) match routine |
| 65 | */ |
| 66 | static int |
| 67 | joy_acpi_match(device_t parent, cfdata_t match, void *aux) |
| 68 | { |
| 69 | struct acpi_attach_args *aa = aux; |
| 70 | |
| 71 | if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) |
| 72 | return 0; |
| 73 | |
| 74 | return acpi_match_hid(aa->aa_node->ad_devinfo, joy_acpi_ids); |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * joy_acpi_attach: autoconf(9) attach routine |
| 79 | */ |
| 80 | static void |
| 81 | joy_acpi_attach(device_t parent, device_t self, void *aux) |
| 82 | { |
| 83 | struct joy_acpi_softc *asc = device_private(self); |
| 84 | struct joy_softc *sc = &asc->sc_joy; |
| 85 | struct acpi_attach_args *aa = aux; |
| 86 | struct acpi_resources res; |
| 87 | struct acpi_io *io; |
| 88 | ACPI_STATUS rv; |
| 89 | |
| 90 | sc->sc_dev = self; |
| 91 | |
| 92 | /* parse resources */ |
| 93 | rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS" , |
| 94 | &res, &acpi_resource_parse_ops_default); |
| 95 | if (ACPI_FAILURE(rv)) |
| 96 | return; |
| 97 | |
| 98 | /* find our i/o registers */ |
| 99 | io = acpi_res_io(&res, 0); |
| 100 | if (io == NULL) { |
| 101 | aprint_error_dev(self, |
| 102 | "unable to find i/o register resource\n" ); |
| 103 | goto out; |
| 104 | } |
| 105 | |
| 106 | sc->sc_iot = aa->aa_iot; |
| 107 | if (bus_space_map(sc->sc_iot, io->ar_base, io->ar_length, |
| 108 | 0, &sc->sc_ioh)) { |
| 109 | aprint_error_dev(self, "can't map i/o space\n" ); |
| 110 | goto out; |
| 111 | } |
| 112 | |
| 113 | mutex_init(&asc->sc_lock, MUTEX_DEFAULT, IPL_NONE); |
| 114 | sc->sc_lock = &asc->sc_lock; |
| 115 | |
| 116 | joyattach(sc); |
| 117 | |
| 118 | out: |
| 119 | acpi_resource_cleanup(&res); |
| 120 | } |
| 121 | |