NetBSD/sys/arch/news68k/dev/ms_hb.c

192 lines
4.4 KiB
C

/* $NetBSD: ms_hb.c,v 1.1 2001/01/25 14:33:29 tsutsui Exp $ */
/*-
* Copyright (c) 2001 Izumi Tsutsui. All rights reserved.
* Copyright (c) 2000 Tsubai Masanari. 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.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <news68k/dev/hbvar.h>
#include <news68k/dev/ms_hbreg.h>
#include <news68k/dev/msvar.h>
#include <news68k/news68k/isr.h>
#define MS_SIZE 0x10 /* XXX */
#define MS_IPL 5
int ms_hb_match(struct device *, struct cfdata *, void *);
void ms_hb_attach(struct device *, struct device *, void *);
void ms_hb_init(struct ms_softc *);
int ms_hb_intr(void *);
int ms_hb_enable(void *);
int ms_hb_ioctl(void *, u_long, caddr_t, int, struct proc *);
void ms_hb_disable(void *);
struct cfattach ms_hb_ca = {
sizeof(struct ms_softc), ms_hb_match, ms_hb_attach
};
struct wsmouse_accessops ms_hb_accessops = {
ms_hb_enable,
ms_hb_ioctl,
ms_hb_disable
};
int
ms_hb_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct hb_attach_args *ha = aux;
u_int addr;
if (strcmp(ha->ha_name, "ms"))
return 0;
/* XXX no default address */
if (ha->ha_address == -1)
return 0;
addr = IIOV(ha->ha_address); /* XXX */
if (badaddr((void *)addr, 1))
return 0;
return 1;
}
void
ms_hb_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct ms_softc *sc = (void *)self;
struct hb_attach_args *ha = aux;
bus_space_tag_t bt = ha->ha_bust;
bus_space_handle_t bh;
struct wsmousedev_attach_args wsa;
int ipl;
if (bus_space_map(bt, ha->ha_address, MS_SIZE, 0, &bh) != 0) {
printf("can't map device space\n");
return;
}
printf("\n");
sc->sc_bt = bt;
sc->sc_bh = bh;
sc->sc_offset = MS_REG_DATA;
ipl = ha->ha_ipl;
if (ipl == -1)
ipl = MS_IPL;
ms_hb_init(sc);
isrlink_autovec(ms_hb_intr, (void *)sc, ipl, ISRPRI_TTY);
wsa.accessops = &ms_hb_accessops;
wsa.accesscookie = sc;
sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint);
}
void
ms_hb_init(sc)
struct ms_softc *sc;
{
bus_space_tag_t bt = sc->sc_bt;
bus_space_handle_t bh = sc->sc_bh;
bus_space_write_1(bt, bh, MS_REG_RESET, 0);
bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
}
int
ms_hb_intr(v)
void *v;
{
struct ms_softc *sc = v;
bus_space_tag_t bt = sc->sc_bt;
bus_space_handle_t bh = sc->sc_bh;
int handled = 0;
while ((bus_space_read_1(bt, bh, MS_REG_STAT) & MSSTAT_RDY) != 0) {
ms_intr(sc);
handled = 1;
}
if (handled)
bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
return handled;
}
int
ms_hb_enable(v)
void *v;
{
struct ms_softc *sc = v;
bus_space_tag_t bt = sc->sc_bt;
bus_space_handle_t bh = sc->sc_bh;
bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
return 0;
}
void
ms_hb_disable(v)
void *v;
{
struct ms_softc *sc = v;
bus_space_tag_t bt = sc->sc_bt;
bus_space_handle_t bh = sc->sc_bh;
bus_space_write_1(bt, bh, MS_REG_INTE, 0);
}
int
ms_hb_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
return -1;
}