atkbd_atkbdc.c revision 58271
143105Sdfr/*- 243105Sdfr * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 343105Sdfr * All rights reserved. 443105Sdfr * 543105Sdfr * Redistribution and use in source and binary forms, with or without 643105Sdfr * modification, are permitted provided that the following conditions 743105Sdfr * are met: 843105Sdfr * 1. Redistributions of source code must retain the above copyright 943105Sdfr * notice, this list of conditions and the following disclaimer as 1043105Sdfr * the first lines of this file unmodified. 1143105Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1243105Sdfr * notice, this list of conditions and the following disclaimer in the 1343105Sdfr * documentation and/or other materials provided with the distribution. 1443105Sdfr * 1543105Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 1643105Sdfr * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1743105Sdfr * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1843105Sdfr * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 1943105Sdfr * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2043105Sdfr * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2143105Sdfr * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2243105Sdfr * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2343105Sdfr * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2443105Sdfr * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2543105Sdfr * 2650477Speter * $FreeBSD: head/sys/dev/atkbdc/atkbd_atkbdc.c 58271 2000-03-19 03:25:13Z yokota $ 2743105Sdfr */ 2843105Sdfr 2943105Sdfr#include "opt_kbd.h" 3043105Sdfr 3143105Sdfr#include <sys/param.h> 3243105Sdfr#include <sys/systm.h> 3343105Sdfr#include <sys/kernel.h> 3443105Sdfr#include <sys/bus.h> 3558271Syokota 3645720Speter#include <machine/bus.h> 3758271Syokota#include <machine/resource.h> 3843105Sdfr#include <sys/rman.h> 3943105Sdfr 4043105Sdfr#include <dev/kbd/kbdreg.h> 4143105Sdfr#include <dev/kbd/atkbdreg.h> 4243105Sdfr#include <dev/kbd/atkbdcreg.h> 4343105Sdfr 4443105Sdfr#include <isa/isareg.h> 4543105Sdfr#include <isa/isavar.h> 4643105Sdfr 4758271Syokotatypedef struct { 4858271Syokota struct resource *intr; 4958271Syokota void *ih; 5058271Syokota} atkbd_softc_t; 5158271Syokota 5243105Sdfrdevclass_t atkbd_devclass; 5343105Sdfr 5443105Sdfrstatic int atkbdprobe(device_t dev); 5543105Sdfrstatic int atkbdattach(device_t dev); 5644628Syokotastatic void atkbd_isa_intr(void *arg); 5743105Sdfr 5843105Sdfrstatic device_method_t atkbd_methods[] = { 5943105Sdfr DEVMETHOD(device_probe, atkbdprobe), 6043105Sdfr DEVMETHOD(device_attach, atkbdattach), 6143105Sdfr { 0, 0 } 6243105Sdfr}; 6343105Sdfr 6443105Sdfrstatic driver_t atkbd_driver = { 6543105Sdfr ATKBD_DRIVER_NAME, 6643105Sdfr atkbd_methods, 6758271Syokota sizeof(atkbd_softc_t), 6843105Sdfr}; 6943105Sdfr 7043105Sdfrstatic int 7143105Sdfratkbdprobe(device_t dev) 7243105Sdfr{ 7345720Speter uintptr_t irq; 7445720Speter uintptr_t flags; 7543105Sdfr 7643105Sdfr device_set_desc(dev, "AT Keyboard"); 7743105Sdfr 7843105Sdfr /* obtain parameters */ 7943105Sdfr BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 8043105Sdfr BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 8143105Sdfr 8243105Sdfr /* probe the device */ 8358271Syokota return atkbd_probe_unit(device_get_unit(dev), 8458271Syokota device_get_unit(device_get_parent(dev)), 8558271Syokota irq, flags); 8643105Sdfr} 8743105Sdfr 8843105Sdfrstatic int 8943105Sdfratkbdattach(device_t dev) 9043105Sdfr{ 9158271Syokota atkbd_softc_t *sc; 9250154Syokota keyboard_t *kbd; 9345720Speter uintptr_t irq; 9445720Speter uintptr_t flags; 9558271Syokota int rid; 9643105Sdfr int error; 9743105Sdfr 9858271Syokota sc = device_get_softc(dev); 9958271Syokota 10044628Syokota BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 10144628Syokota BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 10244628Syokota 10358271Syokota error = atkbd_attach_unit(device_get_unit(dev), &kbd, 10458271Syokota device_get_unit(device_get_parent(dev)), 10558271Syokota irq, flags); 10643105Sdfr if (error) 10743105Sdfr return error; 10843105Sdfr 10943105Sdfr /* declare our interrupt handler */ 11058271Syokota rid = 0; 11158271Syokota sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1, 11258271Syokota RF_SHAREABLE | RF_ACTIVE); 11358271Syokota BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, INTR_TYPE_TTY, 11458271Syokota atkbd_isa_intr, kbd, &sc->ih); 11543105Sdfr 11643105Sdfr return 0; 11743105Sdfr} 11843105Sdfr 11944628Syokotastatic void 12044628Syokotaatkbd_isa_intr(void *arg) 12144628Syokota{ 12250154Syokota keyboard_t *kbd; 12344628Syokota 12450154Syokota kbd = (keyboard_t *)arg; 12550154Syokota (*kbdsw[kbd->kb_index]->intr)(kbd, NULL); 12644628Syokota} 12744628Syokota 12843105SdfrDRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0); 129