atkbd_atkbdc.c revision 114293
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 114293 2003-04-30 12:57:40Z markm $ 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 4080040Syokota#include <sys/kbio.h> 4143105Sdfr#include <dev/kbd/kbdreg.h> 4243105Sdfr#include <dev/kbd/atkbdreg.h> 4343105Sdfr#include <dev/kbd/atkbdcreg.h> 4443105Sdfr 4543105Sdfr#include <isa/isareg.h> 4643105Sdfr#include <isa/isavar.h> 4743105Sdfr 4858271Syokotatypedef struct { 4958271Syokota struct resource *intr; 5058271Syokota void *ih; 5158271Syokota} atkbd_softc_t; 5258271Syokota 53114293Smarkmstatic devclass_t atkbd_devclass; 5443105Sdfr 5583147Syokotastatic void atkbdidentify(driver_t *driver, device_t dev); 5643105Sdfrstatic int atkbdprobe(device_t dev); 5743105Sdfrstatic int atkbdattach(device_t dev); 5879022Syokotastatic int atkbdresume(device_t dev); 5944628Syokotastatic void atkbd_isa_intr(void *arg); 6043105Sdfr 6143105Sdfrstatic device_method_t atkbd_methods[] = { 6283147Syokota DEVMETHOD(device_identify, atkbdidentify), 6343105Sdfr DEVMETHOD(device_probe, atkbdprobe), 6443105Sdfr DEVMETHOD(device_attach, atkbdattach), 6579022Syokota DEVMETHOD(device_resume, atkbdresume), 6643105Sdfr { 0, 0 } 6743105Sdfr}; 6843105Sdfr 6943105Sdfrstatic driver_t atkbd_driver = { 7043105Sdfr ATKBD_DRIVER_NAME, 7143105Sdfr atkbd_methods, 7258271Syokota sizeof(atkbd_softc_t), 7343105Sdfr}; 7443105Sdfr 7583147Syokotastatic void 7683147Syokotaatkbdidentify(driver_t *driver, device_t parent) 7783147Syokota{ 7883147Syokota 7983147Syokota /* always add at least one child */ 8083492Syokota BUS_ADD_CHILD(parent, KBDC_RID_KBD, driver->name, device_get_unit(parent)); 8183147Syokota} 8283147Syokota 8343105Sdfrstatic int 8443105Sdfratkbdprobe(device_t dev) 8543105Sdfr{ 8683147Syokota struct resource *res; 8783147Syokota u_long irq; 8883147Syokota int flags; 8983147Syokota int rid; 9043105Sdfr 9143105Sdfr device_set_desc(dev, "AT Keyboard"); 9243105Sdfr 9343105Sdfr /* obtain parameters */ 9483147Syokota flags = device_get_flags(dev); 9543105Sdfr 9683147Syokota /* see if IRQ is available */ 9783147Syokota rid = KBDC_RID_KBD; 9883147Syokota res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 9983147Syokota RF_SHAREABLE | RF_ACTIVE); 10083147Syokota if (res == NULL) { 10183147Syokota if (bootverbose) 10283147Syokota device_printf(dev, "unable to allocate IRQ\n"); 10383147Syokota return ENXIO; 10483147Syokota } 10583147Syokota irq = rman_get_start(res); 10683147Syokota bus_release_resource(dev, SYS_RES_IRQ, rid, res); 10783147Syokota 10843105Sdfr /* probe the device */ 10958271Syokota return atkbd_probe_unit(device_get_unit(dev), 11058271Syokota device_get_unit(device_get_parent(dev)), 11158271Syokota irq, flags); 11243105Sdfr} 11343105Sdfr 11443105Sdfrstatic int 11543105Sdfratkbdattach(device_t dev) 11643105Sdfr{ 11758271Syokota atkbd_softc_t *sc; 11850154Syokota keyboard_t *kbd; 11983147Syokota u_long irq; 12083147Syokota int flags; 12158271Syokota int rid; 12243105Sdfr int error; 12343105Sdfr 12458271Syokota sc = device_get_softc(dev); 12558271Syokota 12683147Syokota rid = KBDC_RID_KBD; 12783147Syokota irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 12883147Syokota flags = device_get_flags(dev); 12958271Syokota error = atkbd_attach_unit(device_get_unit(dev), &kbd, 13058271Syokota device_get_unit(device_get_parent(dev)), 13158271Syokota irq, flags); 13243105Sdfr if (error) 13343105Sdfr return error; 13443105Sdfr 13543105Sdfr /* declare our interrupt handler */ 13683147Syokota sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 13758271Syokota RF_SHAREABLE | RF_ACTIVE); 13883147Syokota if (sc->intr == NULL) 13983147Syokota return ENXIO; 14083147Syokota error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, atkbd_isa_intr, 14183147Syokota kbd, &sc->ih); 14283147Syokota if (error) 14383147Syokota bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 14443105Sdfr 14583147Syokota return error; 14643105Sdfr} 14743105Sdfr 14879022Syokotastatic int 14979022Syokotaatkbdresume(device_t dev) 15079022Syokota{ 15183855Syokota atkbd_softc_t *sc; 15279022Syokota keyboard_t *kbd; 15383855Syokota int args[2]; 15479022Syokota 15583855Syokota sc = device_get_softc(dev); 15679022Syokota kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME, 15779022Syokota device_get_unit(dev))); 15883855Syokota if (kbd) { 15983855Syokota kbd->kb_flags &= ~KB_INITIALIZED; 16083855Syokota args[0] = device_get_unit(device_get_parent(dev)); 16183855Syokota args[1] = rman_get_start(sc->intr); 16283855Syokota (*kbdsw[kbd->kb_index]->init)(device_get_unit(dev), &kbd, 16383855Syokota args, device_get_flags(dev)); 16479022Syokota (*kbdsw[kbd->kb_index]->clear_state)(kbd); 16583855Syokota } 16679022Syokota return 0; 16779022Syokota} 16879022Syokota 16944628Syokotastatic void 17044628Syokotaatkbd_isa_intr(void *arg) 17144628Syokota{ 17250154Syokota keyboard_t *kbd; 17344628Syokota 17450154Syokota kbd = (keyboard_t *)arg; 17550154Syokota (*kbdsw[kbd->kb_index]->intr)(kbd, NULL); 17644628Syokota} 17744628Syokota 17843105SdfrDRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0); 179