/*- * Copyright (c) 1999 Kazutaka YOKOTA * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer as * the first lines of this file unmodified. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #include "opt_kbd.h" #include #include #include #include #include #include #include #include #include #include #include #include static MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device"); /* children */ typedef struct atkbdc_device { struct resource_list resources; int rid; u_int32_t vendorid; u_int32_t serial; u_int32_t logicalid; u_int32_t compatid; } atkbdc_device_t; /* kbdc */ devclass_t atkbdc_devclass; static int atkbdc_probe(device_t dev); static int atkbdc_attach(device_t dev); static device_t atkbdc_add_child(device_t bus, int order, char *name, int unit); static int atkbdc_print_child(device_t bus, device_t dev); static int atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val); static int atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val); static struct resource_list *atkbdc_get_resource_list (device_t bus, device_t dev); static struct resource *atkbdc_alloc_resource(device_t bus, device_t dev, int type, int *rid, u_long start, u_long end, u_long count, u_int flags); static int atkbdc_release_resource(device_t bus, device_t dev, int type, int rid, struct resource *res); static device_method_t atkbdc_methods[] = { DEVMETHOD(device_probe, atkbdc_probe), DEVMETHOD(device_attach, atkbdc_attach), DEVMETHOD(device_suspend, bus_generic_suspend), DEVMETHOD(device_resume, bus_generic_resume), DEVMETHOD(bus_add_child, atkbdc_add_child), DEVMETHOD(bus_print_child, atkbdc_print_child), DEVMETHOD(bus_read_ivar, atkbdc_read_ivar), DEVMETHOD(bus_write_ivar, atkbdc_write_ivar), DEVMETHOD(bus_get_resource_list,atkbdc_get_resource_list), DEVMETHOD(bus_alloc_resource, atkbdc_alloc_resource), DEVMETHOD(bus_release_resource, atkbdc_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource), DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), { 0, 0 } }; static driver_t atkbdc_driver = { ATKBDC_DRIVER_NAME, atkbdc_methods, sizeof(atkbdc_softc_t *), }; static struct isa_pnp_id atkbdc_ids[] = { { 0x0303d041, "Keyboard controller (i8042)" }, /* PNP0303 */ { 0 } }; static int atkbdc_probe(device_t dev) { struct resource *port0; struct resource *port1; u_long start; u_long count; int error; int rid; /* check PnP IDs */ if (ISA_PNP_PROBE(device_get_parent(dev), dev, atkbdc_ids) == ENXIO) return ENXIO; device_set_desc(dev, "Keyboard controller (i8042)"); /* * Adjust I/O port resources. * The AT keyboard controller uses two ports (a command/data port * 0x60 and a status port 0x64), which may be given to us in * one resource (0x60 through 0x64) or as two separate resources * (0x60 and 0x64). Furthermore, /boot/device.hints may contain * just one port, 0x60. We shall adjust resource settings * so that these two ports are available as two separate resources. */ device_quiet(dev); rid = 0; if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0) return ENXIO; if (count > 1) /* adjust the count */ bus_set_resource(dev, SYS_RES_IOPORT, rid, start, 1); port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (port0 == NULL) return ENXIO; rid = 1; if (bus_get_resource(dev, SYS_RES_IOPORT, rid, NULL, NULL) != 0) bus_set_resource(dev, SYS_RES_IOPORT, 1, start + KBD_STATUS_PORT, 1); port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (port1 == NULL) { bus_release_resource(dev, SYS_RES_IOPORT, 0, port0); return ENXIO; } device_verbose(dev); error = atkbdc_probe_unit(device_get_unit(dev), port0, port1); if (error == 0) bus_generic_probe(dev); bus_release_resource(dev, SYS_RES_IOPORT, 0, port0); bus_release_resource(dev, SYS_RES_IOPORT, 1, port1); return error; } static int atkbdc_attach(device_t dev) { atkbdc_softc_t *sc; int unit; int error; int rid; unit = device_get_unit(dev); sc = *(atkbdc_softc_t **)device_get_softc(dev); if (sc == NULL) { /* * We have to maintain two copies of the kbdc_softc struct, * as the low-level console needs to have access to the * keyboard controller before kbdc is probed and attached. * kbdc_soft[] contains the default entry for that purpose. * See atkbdc.c. XXX */ sc = atkbdc_get_softc(unit); if (sc == NULL) return ENOMEM; } rid = 0; sc->port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (sc->port0 == NULL) return ENXIO; rid = 1; sc->port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (sc->port1 == NULL) { bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0); return ENXIO; } error = atkbdc_attach_unit(unit, sc, sc->port0, sc->port1); if (error) { bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0); bus_release_resource(dev, SYS_RES_IOPORT, 1, sc->port1); return error; } *(atkbdc_softc_t **)device_get_softc(dev) = sc; bus_generic_attach(dev); return 0; } static device_t atkbdc_add_child(device_t bus, int order, char *name, int unit) { atkbdc_device_t *ivar; device_t child; int t; ivar = malloc(sizeof(struct atkbdc_device), M_ATKBDDEV, M_NOWAIT | M_ZERO); if (!ivar) return NULL; child = device_add_child_ordered(bus, order, name, unit); if (child == NULL) { free(ivar, M_ATKBDDEV); return child; } resource_list_init(&ivar->resources); ivar->rid = order; /* * If the device is not created by the PnP BIOS or ACPI, * refer to device hints for IRQ. */ if (ISA_PNP_PROBE(device_get_parent(bus), bus, atkbdc_ids) != 0) { if (resource_int_value(name, unit, "irq", &t) != 0) t = -1; } else { t = bus_get_resource_start(bus, SYS_RES_IRQ, ivar->rid); } if (t > 0) resource_list_add(&ivar->resources, SYS_RES_IRQ, ivar->rid, t, t, 1); if (resource_int_value(name, unit, "flags", &t) == 0) device_set_flags(child, t); if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0) device_disable(child); device_set_ivars(child, ivar); return child; } static int atkbdc_print_child(device_t bus, device_t dev) { atkbdc_device_t *kbdcdev; u_long irq; int flags; int retval = 0; kbdcdev = (atkbdc_device_t *)device_get_ivars(dev); retval += bus_print_child_header(bus, dev); flags = device_get_flags(dev); if (flags != 0) retval += printf(" flags 0x%x", flags); irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid); if (irq != 0) retval += printf(" irq %ld", irq); retval += bus_print_child_footer(bus, dev); return (retval); } static int atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val) { atkbdc_device_t *ivar; ivar = (atkbdc_device_t *)device_get_ivars(dev); switch (index) { case KBDC_IVAR_VENDORID: *val = (u_long)ivar->vendorid; break; case KBDC_IVAR_SERIAL: *val = (u_long)ivar->serial; break; case KBDC_IVAR_LOGICALID: *val = (u_long)ivar->logicalid; break; case KBDC_IVAR_COMPATID: *val = (u_long)ivar->compatid; break; default: return ENOENT; } return 0; } static int atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val) { atkbdc_device_t *ivar; ivar = (atkbdc_device_t *)device_get_ivars(dev); switch (index) { case KBDC_IVAR_VENDORID: ivar->vendorid = (u_int32_t)val; break; case KBDC_IVAR_SERIAL: ivar->serial = (u_int32_t)val; break; case KBDC_IVAR_LOGICALID: ivar->logicalid = (u_int32_t)val; break; case KBDC_IVAR_COMPATID: ivar->compatid = (u_int32_t)val; break; default: return ENOENT; } return 0; } static struct resource_list *atkbdc_get_resource_list (device_t bus, device_t dev) { atkbdc_device_t *ivar; ivar = (atkbdc_device_t *)device_get_ivars(dev); return &ivar->resources; } static struct resource *atkbdc_alloc_resource(device_t bus, device_t dev, int type, int *rid, u_long start, u_long end, u_long count, u_int flags) { atkbdc_device_t *ivar; ivar = (atkbdc_device_t *)device_get_ivars(dev); return resource_list_alloc(&ivar->resources, bus, dev, type, rid, start, end, count, flags); } static int atkbdc_release_resource(device_t bus, device_t dev, int type, int rid, struct resource *res) { atkbdc_device_t *ivar; ivar = (atkbdc_device_t *)device_get_ivars(dev); return resource_list_release(&ivar->resources, bus, dev, type, rid, res); } DRIVER_MODULE(atkbdc, isa, atkbdc_driver, atkbdc_devclass, 0, 0); DRIVER_MODULE(atkbdc, acpi, atkbdc_driver, atkbdc_devclass, 0, 0);