1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/isa/atkbd_isa.c,v 1.7.2.3 2001/08/01 10:42:28 yokota Exp $ 27 * $DragonFly: src/sys/dev/misc/atkbd/atkbd_isa.c,v 1.6 2006/10/25 20:55:54 dillon Exp $ 28 */ 29 30 #include "opt_kbd.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/bus.h> 36 #include <sys/rman.h> 37 38 #include <sys/kbio.h> 39 #include <dev/misc/kbd/kbdreg.h> 40 #include <dev/misc/kbd/atkbdreg.h> 41 #include <dev/misc/kbd/atkbdcreg.h> 42 43 #include <bus/isa/isareg.h> 44 #include <bus/isa/isavar.h> 45 46 typedef struct { 47 struct resource *intr; 48 void *ih; 49 } atkbd_softc_t; 50 51 devclass_t atkbd_devclass; 52 53 static int atkbdprobe(device_t dev); 54 static int atkbdattach(device_t dev); 55 static int atkbdresume(device_t dev); 56 static void atkbd_isa_intr(void *arg); 57 58 static device_method_t atkbd_methods[] = { 59 DEVMETHOD(device_probe, atkbdprobe), 60 DEVMETHOD(device_attach, atkbdattach), 61 DEVMETHOD(device_resume, atkbdresume), 62 { 0, 0 } 63 }; 64 65 static driver_t atkbd_driver = { 66 ATKBD_DRIVER_NAME, 67 atkbd_methods, 68 sizeof(atkbd_softc_t), 69 }; 70 71 static int 72 atkbdprobe(device_t dev) 73 { 74 uintptr_t irq; 75 uintptr_t flags; 76 77 device_set_desc(dev, "AT Keyboard"); 78 79 /* obtain parameters */ 80 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 81 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 82 83 /* probe the device */ 84 return atkbd_probe_unit(device_get_unit(dev), 85 device_get_unit(device_get_parent(dev)), 86 irq, flags); 87 } 88 89 static int 90 atkbdattach(device_t dev) 91 { 92 atkbd_softc_t *sc; 93 keyboard_t *kbd; 94 uintptr_t irq; 95 uintptr_t flags; 96 int rid; 97 int error; 98 99 sc = device_get_softc(dev); 100 101 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 102 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 103 104 error = atkbd_attach_unit(device_get_unit(dev), &kbd, 105 device_get_unit(device_get_parent(dev)), 106 irq, flags); 107 if (error) 108 return error; 109 110 /* declare our interrupt handler */ 111 rid = 0; 112 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1, 113 RF_SHAREABLE | RF_ACTIVE); 114 BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 0, 115 atkbd_isa_intr, kbd, &sc->ih, NULL); 116 117 return 0; 118 } 119 120 static int 121 atkbdresume(device_t dev) 122 { 123 keyboard_t *kbd; 124 125 kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME, 126 device_get_unit(dev))); 127 if (kbd) 128 (*kbdsw[kbd->kb_index]->clear_state)(kbd); 129 return 0; 130 } 131 132 static void 133 atkbd_isa_intr(void *arg) 134 { 135 keyboard_t *kbd; 136 137 kbd = (keyboard_t *)arg; 138 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL); 139 } 140 141 DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0); 142