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 * $FreeBSD$ 27 */ 28 29 #include "opt_kbd.h" 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/bus.h> 35 36 #include <machine/bus.h> 37 #include <machine/resource.h> 38 #include <sys/rman.h> 39 40 #include <dev/kbd/kbdreg.h> 41 #include <dev/kbd/atkbdreg.h> 42 #include <dev/kbd/atkbdcreg.h> 43 44 #include <isa/isareg.h> 45 #include <isa/isavar.h> 46 47 typedef struct { 48 struct resource *intr; 49 void *ih; 50 } atkbd_softc_t; 51 52 devclass_t atkbd_devclass; 53 54 static int atkbdprobe(device_t dev); 55 static int atkbdattach(device_t dev); 56 static int atkbdresume(device_t dev); 57 static void atkbd_isa_intr(void *arg); 58 59 static device_method_t atkbd_methods[] = { 60 DEVMETHOD(device_probe, atkbdprobe), 61 DEVMETHOD(device_attach, atkbdattach), 62 DEVMETHOD(device_resume, atkbdresume), 63 { 0, 0 } 64 }; 65 66 static driver_t atkbd_driver = { 67 ATKBD_DRIVER_NAME, 68 atkbd_methods, 69 sizeof(atkbd_softc_t), 70 }; 71 72 static int 73 atkbdprobe(device_t dev) 74 { 75 uintptr_t irq; 76 uintptr_t flags; 77 78 device_set_desc(dev, "AT Keyboard"); 79 80 /* obtain parameters */ 81 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 82 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 83 84 /* probe the device */ 85 return atkbd_probe_unit(device_get_unit(dev), 86 device_get_unit(device_get_parent(dev)), 87 irq, flags); 88 } 89 90 static int 91 atkbdattach(device_t dev) 92 { 93 atkbd_softc_t *sc; 94 keyboard_t *kbd; 95 uintptr_t irq; 96 uintptr_t flags; 97 int rid; 98 int error; 99 100 sc = device_get_softc(dev); 101 102 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 103 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 104 105 error = atkbd_attach_unit(device_get_unit(dev), &kbd, 106 device_get_unit(device_get_parent(dev)), 107 irq, flags); 108 if (error) 109 return error; 110 111 /* declare our interrupt handler */ 112 rid = 0; 113 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1, 114 RF_SHAREABLE | RF_ACTIVE); 115 BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, INTR_TYPE_TTY, 116 atkbd_isa_intr, kbd, &sc->ih); 117 118 return 0; 119 } 120 121 static int 122 atkbdresume(device_t dev) 123 { 124 keyboard_t *kbd; 125 126 kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME, 127 device_get_unit(dev))); 128 if (kbd) 129 (*kbdsw[kbd->kb_index]->clear_state)(kbd); 130 return 0; 131 } 132 133 static void 134 atkbd_isa_intr(void *arg) 135 { 136 keyboard_t *kbd; 137 138 kbd = (keyboard_t *)arg; 139 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL); 140 } 141 142 DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0); 143