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ms_hb.c revision 1.1.2.2
      1  1.1.2.2  bouyer /*	$NetBSD: ms_hb.c,v 1.1.2.2 2001/02/11 19:11:17 bouyer Exp $	*/
      2  1.1.2.2  bouyer 
      3  1.1.2.2  bouyer /*-
      4  1.1.2.2  bouyer  * Copyright (c) 2001 Izumi Tsutsui.  All rights reserved.
      5  1.1.2.2  bouyer  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
      6  1.1.2.2  bouyer  *
      7  1.1.2.2  bouyer  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  bouyer  * modification, are permitted provided that the following conditions
      9  1.1.2.2  bouyer  * are met:
     10  1.1.2.2  bouyer  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  bouyer  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  bouyer  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  bouyer  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  bouyer  * 3. The name of the author may not be used to endorse or promote products
     16  1.1.2.2  bouyer  *    derived from this software without specific prior written permission.
     17  1.1.2.2  bouyer  *
     18  1.1.2.2  bouyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  1.1.2.2  bouyer  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  1.1.2.2  bouyer  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  1.1.2.2  bouyer  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  1.1.2.2  bouyer  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  1.1.2.2  bouyer  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  1.1.2.2  bouyer  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  1.1.2.2  bouyer  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  1.1.2.2  bouyer  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     27  1.1.2.2  bouyer  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  1.1.2.2  bouyer  */
     29  1.1.2.2  bouyer 
     30  1.1.2.2  bouyer #include <sys/param.h>
     31  1.1.2.2  bouyer #include <sys/device.h>
     32  1.1.2.2  bouyer #include <sys/systm.h>
     33  1.1.2.2  bouyer 
     34  1.1.2.2  bouyer #include <dev/wscons/wsconsio.h>
     35  1.1.2.2  bouyer #include <dev/wscons/wsmousevar.h>
     36  1.1.2.2  bouyer 
     37  1.1.2.2  bouyer #include <machine/bus.h>
     38  1.1.2.2  bouyer #include <machine/cpu.h>
     39  1.1.2.2  bouyer 
     40  1.1.2.2  bouyer #include <news68k/dev/hbvar.h>
     41  1.1.2.2  bouyer #include <news68k/dev/ms_hbreg.h>
     42  1.1.2.2  bouyer #include <news68k/dev/msvar.h>
     43  1.1.2.2  bouyer 
     44  1.1.2.2  bouyer #include <news68k/news68k/isr.h>
     45  1.1.2.2  bouyer 
     46  1.1.2.2  bouyer #define MS_SIZE 0x10 /* XXX */
     47  1.1.2.2  bouyer #define MS_IPL 5
     48  1.1.2.2  bouyer 
     49  1.1.2.2  bouyer int ms_hb_match(struct device *, struct cfdata *, void *);
     50  1.1.2.2  bouyer void ms_hb_attach(struct device *, struct device *, void *);
     51  1.1.2.2  bouyer void ms_hb_init(struct ms_softc *);
     52  1.1.2.2  bouyer int ms_hb_intr(void *);
     53  1.1.2.2  bouyer 
     54  1.1.2.2  bouyer int ms_hb_enable(void *);
     55  1.1.2.2  bouyer int ms_hb_ioctl(void *, u_long, caddr_t, int, struct proc *);
     56  1.1.2.2  bouyer void ms_hb_disable(void *);
     57  1.1.2.2  bouyer 
     58  1.1.2.2  bouyer struct cfattach ms_hb_ca = {
     59  1.1.2.2  bouyer 	sizeof(struct ms_softc), ms_hb_match, ms_hb_attach
     60  1.1.2.2  bouyer };
     61  1.1.2.2  bouyer 
     62  1.1.2.2  bouyer struct wsmouse_accessops ms_hb_accessops = {
     63  1.1.2.2  bouyer 	ms_hb_enable,
     64  1.1.2.2  bouyer 	ms_hb_ioctl,
     65  1.1.2.2  bouyer 	ms_hb_disable
     66  1.1.2.2  bouyer };
     67  1.1.2.2  bouyer 
     68  1.1.2.2  bouyer int
     69  1.1.2.2  bouyer ms_hb_match(parent, cf, aux)
     70  1.1.2.2  bouyer 	struct device *parent;
     71  1.1.2.2  bouyer 	struct cfdata *cf;
     72  1.1.2.2  bouyer 	void *aux;
     73  1.1.2.2  bouyer {
     74  1.1.2.2  bouyer 	struct hb_attach_args *ha = aux;
     75  1.1.2.2  bouyer 	u_int addr;
     76  1.1.2.2  bouyer 
     77  1.1.2.2  bouyer 	if (strcmp(ha->ha_name, "ms"))
     78  1.1.2.2  bouyer 		return 0;
     79  1.1.2.2  bouyer 
     80  1.1.2.2  bouyer 	/* XXX no default address */
     81  1.1.2.2  bouyer 	if (ha->ha_address == -1)
     82  1.1.2.2  bouyer 		return 0;
     83  1.1.2.2  bouyer 
     84  1.1.2.2  bouyer 	addr = IIOV(ha->ha_address); /* XXX */
     85  1.1.2.2  bouyer 
     86  1.1.2.2  bouyer 	if (badaddr((void *)addr, 1))
     87  1.1.2.2  bouyer 		return 0;
     88  1.1.2.2  bouyer 
     89  1.1.2.2  bouyer 	return 1;
     90  1.1.2.2  bouyer }
     91  1.1.2.2  bouyer 
     92  1.1.2.2  bouyer void
     93  1.1.2.2  bouyer ms_hb_attach(parent, self, aux)
     94  1.1.2.2  bouyer 	struct device *parent;
     95  1.1.2.2  bouyer 	struct device *self;
     96  1.1.2.2  bouyer 	void *aux;
     97  1.1.2.2  bouyer {
     98  1.1.2.2  bouyer 	struct ms_softc *sc = (void *)self;
     99  1.1.2.2  bouyer 	struct hb_attach_args *ha = aux;
    100  1.1.2.2  bouyer 	bus_space_tag_t bt = ha->ha_bust;
    101  1.1.2.2  bouyer 	bus_space_handle_t bh;
    102  1.1.2.2  bouyer 	struct wsmousedev_attach_args wsa;
    103  1.1.2.2  bouyer 	int ipl;
    104  1.1.2.2  bouyer 
    105  1.1.2.2  bouyer 	if (bus_space_map(bt, ha->ha_address, MS_SIZE, 0, &bh) != 0) {
    106  1.1.2.2  bouyer 		printf("can't map device space\n");
    107  1.1.2.2  bouyer 		return;
    108  1.1.2.2  bouyer 	}
    109  1.1.2.2  bouyer 
    110  1.1.2.2  bouyer 	printf("\n");
    111  1.1.2.2  bouyer 
    112  1.1.2.2  bouyer 	sc->sc_bt = bt;
    113  1.1.2.2  bouyer 	sc->sc_bh = bh;
    114  1.1.2.2  bouyer 	sc->sc_offset = MS_REG_DATA;
    115  1.1.2.2  bouyer 	ipl = ha->ha_ipl;
    116  1.1.2.2  bouyer 	if (ipl == -1)
    117  1.1.2.2  bouyer 		ipl = MS_IPL;
    118  1.1.2.2  bouyer 
    119  1.1.2.2  bouyer 	ms_hb_init(sc);
    120  1.1.2.2  bouyer 
    121  1.1.2.2  bouyer 	isrlink_autovec(ms_hb_intr, (void *)sc, ipl, ISRPRI_TTY);
    122  1.1.2.2  bouyer 
    123  1.1.2.2  bouyer 	wsa.accessops = &ms_hb_accessops;
    124  1.1.2.2  bouyer 	wsa.accesscookie = sc;
    125  1.1.2.2  bouyer 	sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint);
    126  1.1.2.2  bouyer }
    127  1.1.2.2  bouyer 
    128  1.1.2.2  bouyer void
    129  1.1.2.2  bouyer ms_hb_init(sc)
    130  1.1.2.2  bouyer 	struct ms_softc *sc;
    131  1.1.2.2  bouyer {
    132  1.1.2.2  bouyer 	bus_space_tag_t bt = sc->sc_bt;
    133  1.1.2.2  bouyer 	bus_space_handle_t bh = sc->sc_bh;
    134  1.1.2.2  bouyer 
    135  1.1.2.2  bouyer 	bus_space_write_1(bt, bh, MS_REG_RESET, 0);
    136  1.1.2.2  bouyer 	bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
    137  1.1.2.2  bouyer }
    138  1.1.2.2  bouyer 
    139  1.1.2.2  bouyer int
    140  1.1.2.2  bouyer ms_hb_intr(v)
    141  1.1.2.2  bouyer 	void *v;
    142  1.1.2.2  bouyer {
    143  1.1.2.2  bouyer 	struct ms_softc *sc = v;
    144  1.1.2.2  bouyer 	bus_space_tag_t bt = sc->sc_bt;
    145  1.1.2.2  bouyer 	bus_space_handle_t bh = sc->sc_bh;
    146  1.1.2.2  bouyer 	int handled = 0;
    147  1.1.2.2  bouyer 
    148  1.1.2.2  bouyer 	while ((bus_space_read_1(bt, bh, MS_REG_STAT) & MSSTAT_RDY) != 0) {
    149  1.1.2.2  bouyer 		ms_intr(sc);
    150  1.1.2.2  bouyer 		handled = 1;
    151  1.1.2.2  bouyer 	}
    152  1.1.2.2  bouyer 	if (handled)
    153  1.1.2.2  bouyer 		bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
    154  1.1.2.2  bouyer 
    155  1.1.2.2  bouyer 	return handled;
    156  1.1.2.2  bouyer }
    157  1.1.2.2  bouyer 
    158  1.1.2.2  bouyer int
    159  1.1.2.2  bouyer ms_hb_enable(v)
    160  1.1.2.2  bouyer 	void *v;
    161  1.1.2.2  bouyer {
    162  1.1.2.2  bouyer 	struct ms_softc *sc = v;
    163  1.1.2.2  bouyer 	bus_space_tag_t bt = sc->sc_bt;
    164  1.1.2.2  bouyer 	bus_space_handle_t bh = sc->sc_bh;
    165  1.1.2.2  bouyer 
    166  1.1.2.2  bouyer 	bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE);
    167  1.1.2.2  bouyer 
    168  1.1.2.2  bouyer 	return 0;
    169  1.1.2.2  bouyer }
    170  1.1.2.2  bouyer 
    171  1.1.2.2  bouyer void
    172  1.1.2.2  bouyer ms_hb_disable(v)
    173  1.1.2.2  bouyer 	void *v;
    174  1.1.2.2  bouyer {
    175  1.1.2.2  bouyer 	struct ms_softc *sc = v;
    176  1.1.2.2  bouyer 	bus_space_tag_t bt = sc->sc_bt;
    177  1.1.2.2  bouyer 	bus_space_handle_t bh = sc->sc_bh;
    178  1.1.2.2  bouyer 
    179  1.1.2.2  bouyer 	bus_space_write_1(bt, bh, MS_REG_INTE, 0);
    180  1.1.2.2  bouyer }
    181  1.1.2.2  bouyer 
    182  1.1.2.2  bouyer int
    183  1.1.2.2  bouyer ms_hb_ioctl(v, cmd, data, flag, p)
    184  1.1.2.2  bouyer 	void *v;
    185  1.1.2.2  bouyer 	u_long cmd;
    186  1.1.2.2  bouyer 	caddr_t data;
    187  1.1.2.2  bouyer 	int flag;
    188  1.1.2.2  bouyer 	struct proc *p;
    189  1.1.2.2  bouyer {
    190  1.1.2.2  bouyer 	return -1;
    191  1.1.2.2  bouyer }
    192