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/conf.h> 35 #include <sys/tty.h> 36 #include <sys/bus.h> 37 #include <machine/bus.h> 38 #include <sys/rman.h> 39 40 #include <machine/resource.h> 41 42 #include <dev/kbd/kbdreg.h> 43 #include <dev/kbd/atkbdreg.h> 44 #include <dev/kbd/atkbdcreg.h> 45 46 #include <isa/isareg.h> 47 #include <isa/isavar.h> 48 49 devclass_t atkbd_devclass; 50 51 static int atkbdprobe(device_t dev); 52 static int atkbdattach(device_t dev); 53 static void atkbd_isa_intr(void *arg); 54 55 static device_method_t atkbd_methods[] = { 56 DEVMETHOD(device_probe, atkbdprobe), 57 DEVMETHOD(device_attach, atkbdattach), 58 { 0, 0 } 59 }; 60 61 static driver_t atkbd_driver = { 62 ATKBD_DRIVER_NAME, 63 atkbd_methods, 64 1, 65 }; 66 67 static int 68 atkbdprobe(device_t dev) 69 { 70 uintptr_t port; 71 uintptr_t irq; 72 uintptr_t flags; 73 74 device_set_desc(dev, "AT Keyboard"); 75 76 /* obtain parameters */ 77 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_PORT, &port); 78 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 79 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 80 81 /* probe the device */ 82 return atkbd_probe_unit(device_get_unit(dev), port, irq, flags); 83 } 84 85 static int 86 atkbdattach(device_t dev) 87 { 88 keyboard_t *kbd; 89 uintptr_t port; 90 uintptr_t irq; 91 uintptr_t flags; 92 struct resource *res; 93 void *ih; 94 int zero = 0; 95 int error; 96 97 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_PORT, &port); 98 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 99 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 100 101 error = atkbd_attach_unit(device_get_unit(dev), &kbd, port, irq, flags); 102 if (error) 103 return error; 104 105 /* declare our interrupt handler */ 106 res = bus_alloc_resource(dev, SYS_RES_IRQ, &zero, irq, irq, 1, 107 RF_SHAREABLE | RF_ACTIVE); 108 BUS_SETUP_INTR(device_get_parent(dev), dev, res, INTR_TYPE_TTY, 109 atkbd_isa_intr, kbd, &ih); 110 111 return 0; 112 } 113 114 static void 115 atkbd_isa_intr(void *arg) 116 { 117 keyboard_t *kbd; 118 119 kbd = (keyboard_t *)arg; 120 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL); 121 } 122 123 DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0); 124