Initial commit of the PS2 mouse driver.
This commit is contained in:
mark
parent
0b89016846
commit
ba871a93aa
|
|
@ -0,0 +1,612 @@
|
||||||
|
/* $NetBSD: pms.c,v 1.1 1996/03/28 21:50:19 mark Exp $ */
|
||||||
|
|
||||||
|
/*-
|
||||||
|
* Copyright (c) 1996 D.C. Tsen
|
||||||
|
* Copyright (c) 1994 Charles Hannum.
|
||||||
|
* Copyright (c) 1992, 1993 Erik Forsberg.
|
||||||
|
* 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. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* This product includes software developed by the RiscBSD team.
|
||||||
|
* 4. 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 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.
|
||||||
|
*
|
||||||
|
* from:pms.c,v 1.24 1995/12/24 02:30:28 mycroft Exp
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Ported from 386 version of PS/2 mouse driver.
|
||||||
|
* D.C. Tsen
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "pms.h"
|
||||||
|
#if NPMS > 1
|
||||||
|
#error Only one PS/2 style mouse may be configured into your system.
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <sys/param.h>
|
||||||
|
#include <sys/kernel.h>
|
||||||
|
#include <sys/systm.h>
|
||||||
|
#include <sys/buf.h>
|
||||||
|
#include <sys/malloc.h>
|
||||||
|
#include <sys/ioctl.h>
|
||||||
|
#include <sys/tty.h>
|
||||||
|
#include <sys/file.h>
|
||||||
|
#include <sys/select.h>
|
||||||
|
#include <sys/proc.h>
|
||||||
|
#include <sys/signalvar.h>
|
||||||
|
#include <sys/vnode.h>
|
||||||
|
#include <sys/device.h>
|
||||||
|
|
||||||
|
#include <machine/cpu.h>
|
||||||
|
#include <machine/katelib.h>
|
||||||
|
#include <machine/irqhandler.h>
|
||||||
|
#include <machine/iomd.h>
|
||||||
|
#include <machine/mouse.h>
|
||||||
|
#include <arm32/mainbus/mainbus.h>
|
||||||
|
|
||||||
|
/* mouse commands */
|
||||||
|
#define PMS_SET_SCALE11 0xe6 /* set scaling 1:1 */
|
||||||
|
#define PMS_SET_SCALE21 0xe7 /* set scaling 2:1 */
|
||||||
|
#define PMS_SET_RES 0xe8 /* set resolution */
|
||||||
|
#define PMS_GET_SCALE 0xe9 /* get scaling factor */
|
||||||
|
#define PMS_SET_STREAM 0xea /* set streaming mode */
|
||||||
|
#define PMS_SET_SAMPLE 0xf3 /* set sampling rate */
|
||||||
|
#define PMS_DEV_ENABLE 0xf4 /* mouse on */
|
||||||
|
#define PMS_DEV_DISABLE 0xf5 /* mouse off */
|
||||||
|
#define PMS_RESET 0xff /* reset */
|
||||||
|
|
||||||
|
#define PMS_CHUNK 128 /* chunk size for read */
|
||||||
|
#define PMS_BSIZE (20*64) /* buffer size */
|
||||||
|
|
||||||
|
struct pms_softc { /* driver status information */
|
||||||
|
struct device sc_dev;
|
||||||
|
irqhandler_t sc_ih;
|
||||||
|
|
||||||
|
struct proc *proc;
|
||||||
|
struct clist sc_q;
|
||||||
|
struct selinfo sc_rsel;
|
||||||
|
u_int sc_state; /* mouse driver state */
|
||||||
|
#define PMS_OPEN 0x01 /* device is open */
|
||||||
|
#define PMS_ASLP 0x02 /* waiting for mouse data */
|
||||||
|
u_int sc_status; /* mouse button status */
|
||||||
|
int sc_x, sc_y; /* accumulated motion in the X,Y axis */
|
||||||
|
int boundx, boundy, bounda, boundb; /* Bounding box. x,y is bottom left */
|
||||||
|
int origx, origy;
|
||||||
|
int lastx, lasty, lastb;
|
||||||
|
};
|
||||||
|
|
||||||
|
int pmsprobe __P((struct device *, void *, void *));
|
||||||
|
void pmsattach __P((struct device *, struct device *, void *));
|
||||||
|
int pmsintr __P((void *));
|
||||||
|
|
||||||
|
struct cfattach pms_ca = {
|
||||||
|
sizeof(struct pms_softc), pmsprobe, pmsattach
|
||||||
|
};
|
||||||
|
|
||||||
|
struct cfdriver pms_cd = {
|
||||||
|
NULL, "pms", DV_DULL
|
||||||
|
};
|
||||||
|
|
||||||
|
#define PMSUNIT(dev) (minor(dev))
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
pms_flush()
|
||||||
|
{
|
||||||
|
while (inb(IOMD_MSCR) & 0x20) {
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
cmd_mouse(unsigned char cmd)
|
||||||
|
{
|
||||||
|
unsigned char c;
|
||||||
|
int i = 0;
|
||||||
|
int retry = 10;
|
||||||
|
|
||||||
|
for (i = 0; i < 1000; i++) {
|
||||||
|
if (inb(IOMD_MSCR) & 0x80)
|
||||||
|
break;
|
||||||
|
delay(2);
|
||||||
|
}
|
||||||
|
if (i == 1000)
|
||||||
|
printf("Mouse transmit not ready\n");
|
||||||
|
|
||||||
|
resend:
|
||||||
|
outb(IOMD_MSDATA, cmd);
|
||||||
|
delay(2);
|
||||||
|
c = inb(IOMD_MSCR) & (unsigned char) 0xff;
|
||||||
|
while (!(c & (unsigned char) 0x20)) {
|
||||||
|
delay(1);
|
||||||
|
c = inb(IOMD_MSCR);
|
||||||
|
}
|
||||||
|
|
||||||
|
delay(10000);
|
||||||
|
|
||||||
|
c = inb(IOMD_MSDATA) & 0xff;
|
||||||
|
if ((c == 0xFA) || (c == 0xEE))
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (--retry) {
|
||||||
|
pms_flush();
|
||||||
|
goto resend;
|
||||||
|
}
|
||||||
|
|
||||||
|
printf("Mouse cmd failed, cmd = %x, status = %x\n", cmd, c);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsprobe(parent, match, aux)
|
||||||
|
struct device *parent;
|
||||||
|
void *match, *aux;
|
||||||
|
{
|
||||||
|
/*struct mainbus_attach_args *mb = aux;*/
|
||||||
|
int i, j;
|
||||||
|
int mid;
|
||||||
|
int id;
|
||||||
|
|
||||||
|
/* Make sure we have an IOMD we understand */
|
||||||
|
|
||||||
|
id = ReadByte(IOMD_ID0) | (ReadByte(IOMD_ID1) << 8);
|
||||||
|
|
||||||
|
/* So far I only know about this IOMD */
|
||||||
|
|
||||||
|
switch (id) {
|
||||||
|
case RPC600_IOMD_ID:
|
||||||
|
return(0);
|
||||||
|
break;
|
||||||
|
case RC7500_IOC_ID:
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
printf("pms: Unknown IOMD id=%04x", id);
|
||||||
|
return(0);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
outb(IOMD_MSCR, 0x08); /* enable the mouse */
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
while ((inb(IOMD_MSCR) & 0x03) != 0x03) {
|
||||||
|
if (i++ > 10) {
|
||||||
|
printf("Mouse not found, status = <%x>.\n", inb(IOMD_MSCR));
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
pms_flush();
|
||||||
|
delay(2);
|
||||||
|
outb(IOMD_MSCR, 0x08);
|
||||||
|
}
|
||||||
|
|
||||||
|
pms_flush();
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Disable, reset and enable the mouse.
|
||||||
|
*/
|
||||||
|
cmd_mouse(PMS_DEV_DISABLE);
|
||||||
|
cmd_mouse(PMS_RESET);
|
||||||
|
delay(300000);
|
||||||
|
j = 10;
|
||||||
|
i = 0;
|
||||||
|
while ((mid = inb(IOMD_MSDATA)) != 0xAA) {
|
||||||
|
if (++i > 500) {
|
||||||
|
if (--j < 0) {
|
||||||
|
printf("Mouse Reset failed, status = <%x>.\n", mid);
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
pms_flush();
|
||||||
|
cmd_mouse(PMS_RESET);
|
||||||
|
i = 0;
|
||||||
|
}
|
||||||
|
delay(100000);
|
||||||
|
}
|
||||||
|
mid = inb(IOMD_MSDATA);
|
||||||
|
#if 0
|
||||||
|
cmd_mouse(PMS_SET_RES);
|
||||||
|
cmd_mouse(3); /* 8 counts/mm */
|
||||||
|
cmd_mouse(PMS_SET_SCALE21);
|
||||||
|
cmd_mouse(PMS_SET_SAMPLE);
|
||||||
|
cmd_mouse(100); /* 100 samples/sec */
|
||||||
|
cmd_mouse(PMS_SET_STREAM);
|
||||||
|
#endif
|
||||||
|
cmd_mouse(PMS_DEV_ENABLE);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
pmsattach(parent, self, aux)
|
||||||
|
struct device *parent, *self;
|
||||||
|
void *aux;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = (void *)self;
|
||||||
|
struct mainbus_attach_args *mb = aux;
|
||||||
|
|
||||||
|
printf("\n");
|
||||||
|
|
||||||
|
/* Other initialization was done by pmsprobe. */
|
||||||
|
sc->sc_state = 0;
|
||||||
|
sc->origx = 0;
|
||||||
|
sc->origy = 0;
|
||||||
|
sc->boundx = -4095;
|
||||||
|
sc->boundy = -4095;
|
||||||
|
sc->bounda = 4096;
|
||||||
|
sc->boundb = 4096;
|
||||||
|
|
||||||
|
sc->sc_ih.ih_func = pmsintr;
|
||||||
|
sc->sc_ih.ih_arg = sc;
|
||||||
|
sc->sc_ih.ih_level = IPL_TTY;
|
||||||
|
sc->sc_ih.ih_name = "pms";
|
||||||
|
if (mb->mb_irq != IRQUNK)
|
||||||
|
sc->sc_ih.ih_num = mb->mb_irq;
|
||||||
|
else
|
||||||
|
#ifdef RC7500
|
||||||
|
sc->sc_ih.ih_num = IRQ_MSDRX;
|
||||||
|
#else
|
||||||
|
panic("pms: No IRQ specified for pms interrupt handler\n");
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsopen(dev, flag, mode, p)
|
||||||
|
dev_t dev;
|
||||||
|
int flag;
|
||||||
|
int mode;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
int unit = PMSUNIT(dev);
|
||||||
|
struct pms_softc *sc;
|
||||||
|
|
||||||
|
if (unit >= pms_cd.cd_ndevs)
|
||||||
|
return ENXIO;
|
||||||
|
sc = pms_cd.cd_devs[unit];
|
||||||
|
if (!sc)
|
||||||
|
return ENXIO;
|
||||||
|
|
||||||
|
if (sc->sc_state & PMS_OPEN)
|
||||||
|
return EBUSY;
|
||||||
|
|
||||||
|
if (clalloc(&sc->sc_q, PMS_BSIZE, 0) == -1)
|
||||||
|
return ENOMEM;
|
||||||
|
|
||||||
|
sc->proc = p;
|
||||||
|
sc->sc_state |= PMS_OPEN;
|
||||||
|
sc->sc_status = 0;
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
sc->lastx = -1;
|
||||||
|
sc->lasty = -1;
|
||||||
|
sc->lastb = -1;
|
||||||
|
|
||||||
|
if (irq_claim(IRQ_INSTRUCT, &sc->sc_ih) == -1)
|
||||||
|
panic("Cannot claim MOUSE IRQ\n");
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsclose(dev, flag, mode, p)
|
||||||
|
dev_t dev;
|
||||||
|
int flag;
|
||||||
|
int mode;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
|
||||||
|
if (irq_release(IRQ_INSTRUCT, &sc->sc_ih) != 0)
|
||||||
|
panic("Cannot release MOUSE IRQ\n");
|
||||||
|
|
||||||
|
sc->proc = NULL;
|
||||||
|
sc->sc_state &= ~PMS_OPEN;
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
|
||||||
|
clfree(&sc->sc_q);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsread(dev, uio, flag)
|
||||||
|
dev_t dev;
|
||||||
|
struct uio *uio;
|
||||||
|
int flag;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
int s;
|
||||||
|
int error = 0;
|
||||||
|
size_t length;
|
||||||
|
u_char buffer[PMS_CHUNK];
|
||||||
|
|
||||||
|
/* Block until mouse activity occured. */
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
while (sc->sc_q.c_cc == 0) {
|
||||||
|
if (flag & IO_NDELAY) {
|
||||||
|
splx(s);
|
||||||
|
return EWOULDBLOCK;
|
||||||
|
}
|
||||||
|
sc->sc_state |= PMS_ASLP;
|
||||||
|
if (error = tsleep((caddr_t)sc, (PZERO | PCATCH), "pmsread", 0)) {
|
||||||
|
sc->sc_state &= ~PMS_ASLP;
|
||||||
|
splx(s);
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Transfer as many chunks as possible. */
|
||||||
|
|
||||||
|
while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
|
||||||
|
length = min(sc->sc_q.c_cc, uio->uio_resid);
|
||||||
|
if (length > sizeof(buffer))
|
||||||
|
length = sizeof(buffer);
|
||||||
|
|
||||||
|
/* Remove a small chunk from the input queue. */
|
||||||
|
(void) q_to_b(&sc->sc_q, buffer, length);
|
||||||
|
|
||||||
|
/* Copy the data to the user process. */
|
||||||
|
if (error = uiomove(buffer, length, uio))
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsioctl(dev, cmd, addr, flag, p)
|
||||||
|
dev_t dev;
|
||||||
|
u_long cmd;
|
||||||
|
caddr_t addr;
|
||||||
|
int flag;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
struct mouseinfo info;
|
||||||
|
int s;
|
||||||
|
int error = 0;
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case MOUSEIOC_SETSTATE:
|
||||||
|
printf("MOUSEIOC_SETSTATE called\n");
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_WRITEX:
|
||||||
|
sc->sc_x = *(int *) addr;
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_WRITEY:
|
||||||
|
sc->sc_y = *(int *) addr;
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_SETBOUNDS:
|
||||||
|
{
|
||||||
|
register struct mouse_boundingbox *bo = (void *) addr;
|
||||||
|
sc->boundx = bo->x; sc->boundy = bo->y;
|
||||||
|
sc->bounda = bo->a; sc->boundb = bo->b;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_SETORIGIN:
|
||||||
|
{
|
||||||
|
register struct mouse_origin *oo = (void *) addr;
|
||||||
|
sc->origx = oo->x;
|
||||||
|
sc->origy = oo->y;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETBOUNDS:
|
||||||
|
{
|
||||||
|
register struct mouse_boundingbox *bo = (void *) addr;
|
||||||
|
bo->x = sc->boundx; bo->y = sc->boundy;
|
||||||
|
bo->a = sc->bounda; bo->b = sc->boundb;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETORIGIN:
|
||||||
|
{
|
||||||
|
register struct mouse_origin *oo = (void *) addr;
|
||||||
|
oo->x = sc->origx;
|
||||||
|
oo->y = sc->origy;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETSTATE:
|
||||||
|
printf("MOUSEIOC_GETSTATE called\n");
|
||||||
|
/*
|
||||||
|
* Fall through.
|
||||||
|
*/
|
||||||
|
/* case MOUSEIOCREAD:*/
|
||||||
|
|
||||||
|
info.status = sc->sc_status;
|
||||||
|
if (sc->sc_x || sc->sc_y)
|
||||||
|
info.status |= MOVEMENT;
|
||||||
|
|
||||||
|
#if 1
|
||||||
|
info.xmotion = sc->sc_x;
|
||||||
|
info.ymotion = sc->sc_y;
|
||||||
|
#else
|
||||||
|
if (sc->sc_x > sc->bounda)
|
||||||
|
info.xmotion = sc->bounda;
|
||||||
|
else if (sc->sc_x < sc->boundx)
|
||||||
|
info.xmotion = sc->boundx;
|
||||||
|
else
|
||||||
|
info.xmotion = sc->sc_x;
|
||||||
|
|
||||||
|
if (sc->sc_y > sc->boundb)
|
||||||
|
info.ymotion = sc->boundb;
|
||||||
|
else if (sc->sc_y < sc->boundy)
|
||||||
|
info.ymotion = sc->boundy;
|
||||||
|
else
|
||||||
|
info.ymotion = sc->sc_y;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Reset historical information. */
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
sc->sc_status &= ~BUTCHNGMASK;
|
||||||
|
ndflush(&sc->sc_q, sc->sc_q.c_cc);
|
||||||
|
|
||||||
|
error = copyout(&info, addr, sizeof(struct mouseinfo));
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
error = EINVAL;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Masks for the first byte of a packet */
|
||||||
|
#define PS2LBUTMASK 0x01
|
||||||
|
#define PS2RBUTMASK 0x02
|
||||||
|
#define PS2MBUTMASK 0x04
|
||||||
|
|
||||||
|
#define XNEG_MASK 0x10
|
||||||
|
#define YNEG_MASK 0x20
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsintr(arg)
|
||||||
|
void *arg;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = arg;
|
||||||
|
static int state = 0;
|
||||||
|
static u_char buttons;
|
||||||
|
u_char changed;
|
||||||
|
static int dx, dy;
|
||||||
|
int dosignal = 0;
|
||||||
|
int s;
|
||||||
|
u_char b;
|
||||||
|
struct mousebufrec mbuffer;
|
||||||
|
|
||||||
|
if ((sc->sc_state & PMS_OPEN) == 0) {
|
||||||
|
/* Interrupts are not expected. Discard the byte. */
|
||||||
|
pms_flush();
|
||||||
|
return(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (state) {
|
||||||
|
|
||||||
|
case 0:
|
||||||
|
buttons = inb(IOMD_MSDATA);
|
||||||
|
if ((buttons & 0xc0) == 0)
|
||||||
|
++state;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
dx = inb(IOMD_MSDATA);
|
||||||
|
dx = (buttons & XNEG_MASK) ? -dx : dx;
|
||||||
|
++state;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
dy = inb(IOMD_MSDATA);
|
||||||
|
dy = (buttons & YNEG_MASK) ? -dy : dy;
|
||||||
|
state = 0;
|
||||||
|
|
||||||
|
buttons = ((buttons & PS2LBUTMASK) << 2) |
|
||||||
|
((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1);
|
||||||
|
/*
|
||||||
|
* Ahhh, the Xarm server interrupt button bits reversed.
|
||||||
|
* If bit is set to 1, it means button is not pressed which is
|
||||||
|
* not what PS/2 mouse button bits said. Since we are simulating
|
||||||
|
* the quadmouse, that's not too picky about it.
|
||||||
|
*/
|
||||||
|
buttons ^= BUTSTATMASK;
|
||||||
|
changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3;
|
||||||
|
sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed;
|
||||||
|
|
||||||
|
if (dx || dy || changed) {
|
||||||
|
if (dx < 0)
|
||||||
|
dx = -(256 + dx);
|
||||||
|
if (dy < 0)
|
||||||
|
dy = -(256 + dy);
|
||||||
|
|
||||||
|
/* Update accumulated movements. */
|
||||||
|
sc->sc_x += dx;
|
||||||
|
sc->sc_y += dy;
|
||||||
|
|
||||||
|
if (sc->sc_x > sc->bounda)
|
||||||
|
sc->sc_x = sc->bounda;
|
||||||
|
else if (sc->sc_x < sc->boundx)
|
||||||
|
sc->sc_x = sc->boundx;
|
||||||
|
|
||||||
|
if (sc->sc_y > sc->boundb)
|
||||||
|
sc->sc_y = sc->boundb;
|
||||||
|
else if (sc->sc_y < sc->boundy)
|
||||||
|
sc->sc_y = sc->boundy;
|
||||||
|
|
||||||
|
if (sc->sc_q.c_cc == 0) {
|
||||||
|
dosignal = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Add this event to the queue. */
|
||||||
|
b = buttons & BUTSTATMASK;
|
||||||
|
mbuffer.status = b | (b ^ sc->lastb) << 3
|
||||||
|
| (((sc->sc_x==sc->lastx) && (sc->sc_y==sc->lasty))?0:0x40);
|
||||||
|
mbuffer.x = sc->sc_x * 2;
|
||||||
|
mbuffer.y = sc->sc_y * 2;
|
||||||
|
microtime(&mbuffer.event_time);
|
||||||
|
s = spltty();
|
||||||
|
(void) b_to_q((char *)&mbuffer, sizeof(mbuffer), &sc->sc_q);
|
||||||
|
(void) splx(s);
|
||||||
|
sc->lastx = sc->sc_x;
|
||||||
|
sc->lasty = sc->sc_y;
|
||||||
|
sc->lastb = b;
|
||||||
|
|
||||||
|
selwakeup(&sc->sc_rsel);
|
||||||
|
if (sc->sc_state & PMS_ASLP) {
|
||||||
|
sc->sc_state &= ~PMS_ASLP;
|
||||||
|
wakeup((caddr_t)sc);
|
||||||
|
}
|
||||||
|
if (dosignal)
|
||||||
|
psignal(sc->proc, SIGIO);
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsselect(dev, rw, p)
|
||||||
|
dev_t dev;
|
||||||
|
int rw;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
int s;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (rw == FWRITE)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
if (!sc->sc_q.c_cc) {
|
||||||
|
selrecord(p, &sc->sc_rsel);
|
||||||
|
ret = 0;
|
||||||
|
} else
|
||||||
|
ret = 1;
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,612 @@
|
||||||
|
/* $NetBSD: pms.c,v 1.1 1996/03/28 21:50:19 mark Exp $ */
|
||||||
|
|
||||||
|
/*-
|
||||||
|
* Copyright (c) 1996 D.C. Tsen
|
||||||
|
* Copyright (c) 1994 Charles Hannum.
|
||||||
|
* Copyright (c) 1992, 1993 Erik Forsberg.
|
||||||
|
* 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. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* This product includes software developed by the RiscBSD team.
|
||||||
|
* 4. 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 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.
|
||||||
|
*
|
||||||
|
* from:pms.c,v 1.24 1995/12/24 02:30:28 mycroft Exp
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Ported from 386 version of PS/2 mouse driver.
|
||||||
|
* D.C. Tsen
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "pms.h"
|
||||||
|
#if NPMS > 1
|
||||||
|
#error Only one PS/2 style mouse may be configured into your system.
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <sys/param.h>
|
||||||
|
#include <sys/kernel.h>
|
||||||
|
#include <sys/systm.h>
|
||||||
|
#include <sys/buf.h>
|
||||||
|
#include <sys/malloc.h>
|
||||||
|
#include <sys/ioctl.h>
|
||||||
|
#include <sys/tty.h>
|
||||||
|
#include <sys/file.h>
|
||||||
|
#include <sys/select.h>
|
||||||
|
#include <sys/proc.h>
|
||||||
|
#include <sys/signalvar.h>
|
||||||
|
#include <sys/vnode.h>
|
||||||
|
#include <sys/device.h>
|
||||||
|
|
||||||
|
#include <machine/cpu.h>
|
||||||
|
#include <machine/katelib.h>
|
||||||
|
#include <machine/irqhandler.h>
|
||||||
|
#include <machine/iomd.h>
|
||||||
|
#include <machine/mouse.h>
|
||||||
|
#include <arm32/mainbus/mainbus.h>
|
||||||
|
|
||||||
|
/* mouse commands */
|
||||||
|
#define PMS_SET_SCALE11 0xe6 /* set scaling 1:1 */
|
||||||
|
#define PMS_SET_SCALE21 0xe7 /* set scaling 2:1 */
|
||||||
|
#define PMS_SET_RES 0xe8 /* set resolution */
|
||||||
|
#define PMS_GET_SCALE 0xe9 /* get scaling factor */
|
||||||
|
#define PMS_SET_STREAM 0xea /* set streaming mode */
|
||||||
|
#define PMS_SET_SAMPLE 0xf3 /* set sampling rate */
|
||||||
|
#define PMS_DEV_ENABLE 0xf4 /* mouse on */
|
||||||
|
#define PMS_DEV_DISABLE 0xf5 /* mouse off */
|
||||||
|
#define PMS_RESET 0xff /* reset */
|
||||||
|
|
||||||
|
#define PMS_CHUNK 128 /* chunk size for read */
|
||||||
|
#define PMS_BSIZE (20*64) /* buffer size */
|
||||||
|
|
||||||
|
struct pms_softc { /* driver status information */
|
||||||
|
struct device sc_dev;
|
||||||
|
irqhandler_t sc_ih;
|
||||||
|
|
||||||
|
struct proc *proc;
|
||||||
|
struct clist sc_q;
|
||||||
|
struct selinfo sc_rsel;
|
||||||
|
u_int sc_state; /* mouse driver state */
|
||||||
|
#define PMS_OPEN 0x01 /* device is open */
|
||||||
|
#define PMS_ASLP 0x02 /* waiting for mouse data */
|
||||||
|
u_int sc_status; /* mouse button status */
|
||||||
|
int sc_x, sc_y; /* accumulated motion in the X,Y axis */
|
||||||
|
int boundx, boundy, bounda, boundb; /* Bounding box. x,y is bottom left */
|
||||||
|
int origx, origy;
|
||||||
|
int lastx, lasty, lastb;
|
||||||
|
};
|
||||||
|
|
||||||
|
int pmsprobe __P((struct device *, void *, void *));
|
||||||
|
void pmsattach __P((struct device *, struct device *, void *));
|
||||||
|
int pmsintr __P((void *));
|
||||||
|
|
||||||
|
struct cfattach pms_ca = {
|
||||||
|
sizeof(struct pms_softc), pmsprobe, pmsattach
|
||||||
|
};
|
||||||
|
|
||||||
|
struct cfdriver pms_cd = {
|
||||||
|
NULL, "pms", DV_DULL
|
||||||
|
};
|
||||||
|
|
||||||
|
#define PMSUNIT(dev) (minor(dev))
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
pms_flush()
|
||||||
|
{
|
||||||
|
while (inb(IOMD_MSCR) & 0x20) {
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
delay(6);
|
||||||
|
(void) inb(IOMD_MSDATA);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
cmd_mouse(unsigned char cmd)
|
||||||
|
{
|
||||||
|
unsigned char c;
|
||||||
|
int i = 0;
|
||||||
|
int retry = 10;
|
||||||
|
|
||||||
|
for (i = 0; i < 1000; i++) {
|
||||||
|
if (inb(IOMD_MSCR) & 0x80)
|
||||||
|
break;
|
||||||
|
delay(2);
|
||||||
|
}
|
||||||
|
if (i == 1000)
|
||||||
|
printf("Mouse transmit not ready\n");
|
||||||
|
|
||||||
|
resend:
|
||||||
|
outb(IOMD_MSDATA, cmd);
|
||||||
|
delay(2);
|
||||||
|
c = inb(IOMD_MSCR) & (unsigned char) 0xff;
|
||||||
|
while (!(c & (unsigned char) 0x20)) {
|
||||||
|
delay(1);
|
||||||
|
c = inb(IOMD_MSCR);
|
||||||
|
}
|
||||||
|
|
||||||
|
delay(10000);
|
||||||
|
|
||||||
|
c = inb(IOMD_MSDATA) & 0xff;
|
||||||
|
if ((c == 0xFA) || (c == 0xEE))
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (--retry) {
|
||||||
|
pms_flush();
|
||||||
|
goto resend;
|
||||||
|
}
|
||||||
|
|
||||||
|
printf("Mouse cmd failed, cmd = %x, status = %x\n", cmd, c);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsprobe(parent, match, aux)
|
||||||
|
struct device *parent;
|
||||||
|
void *match, *aux;
|
||||||
|
{
|
||||||
|
/*struct mainbus_attach_args *mb = aux;*/
|
||||||
|
int i, j;
|
||||||
|
int mid;
|
||||||
|
int id;
|
||||||
|
|
||||||
|
/* Make sure we have an IOMD we understand */
|
||||||
|
|
||||||
|
id = ReadByte(IOMD_ID0) | (ReadByte(IOMD_ID1) << 8);
|
||||||
|
|
||||||
|
/* So far I only know about this IOMD */
|
||||||
|
|
||||||
|
switch (id) {
|
||||||
|
case RPC600_IOMD_ID:
|
||||||
|
return(0);
|
||||||
|
break;
|
||||||
|
case RC7500_IOC_ID:
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
printf("pms: Unknown IOMD id=%04x", id);
|
||||||
|
return(0);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
outb(IOMD_MSCR, 0x08); /* enable the mouse */
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
while ((inb(IOMD_MSCR) & 0x03) != 0x03) {
|
||||||
|
if (i++ > 10) {
|
||||||
|
printf("Mouse not found, status = <%x>.\n", inb(IOMD_MSCR));
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
pms_flush();
|
||||||
|
delay(2);
|
||||||
|
outb(IOMD_MSCR, 0x08);
|
||||||
|
}
|
||||||
|
|
||||||
|
pms_flush();
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Disable, reset and enable the mouse.
|
||||||
|
*/
|
||||||
|
cmd_mouse(PMS_DEV_DISABLE);
|
||||||
|
cmd_mouse(PMS_RESET);
|
||||||
|
delay(300000);
|
||||||
|
j = 10;
|
||||||
|
i = 0;
|
||||||
|
while ((mid = inb(IOMD_MSDATA)) != 0xAA) {
|
||||||
|
if (++i > 500) {
|
||||||
|
if (--j < 0) {
|
||||||
|
printf("Mouse Reset failed, status = <%x>.\n", mid);
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
pms_flush();
|
||||||
|
cmd_mouse(PMS_RESET);
|
||||||
|
i = 0;
|
||||||
|
}
|
||||||
|
delay(100000);
|
||||||
|
}
|
||||||
|
mid = inb(IOMD_MSDATA);
|
||||||
|
#if 0
|
||||||
|
cmd_mouse(PMS_SET_RES);
|
||||||
|
cmd_mouse(3); /* 8 counts/mm */
|
||||||
|
cmd_mouse(PMS_SET_SCALE21);
|
||||||
|
cmd_mouse(PMS_SET_SAMPLE);
|
||||||
|
cmd_mouse(100); /* 100 samples/sec */
|
||||||
|
cmd_mouse(PMS_SET_STREAM);
|
||||||
|
#endif
|
||||||
|
cmd_mouse(PMS_DEV_ENABLE);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
pmsattach(parent, self, aux)
|
||||||
|
struct device *parent, *self;
|
||||||
|
void *aux;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = (void *)self;
|
||||||
|
struct mainbus_attach_args *mb = aux;
|
||||||
|
|
||||||
|
printf("\n");
|
||||||
|
|
||||||
|
/* Other initialization was done by pmsprobe. */
|
||||||
|
sc->sc_state = 0;
|
||||||
|
sc->origx = 0;
|
||||||
|
sc->origy = 0;
|
||||||
|
sc->boundx = -4095;
|
||||||
|
sc->boundy = -4095;
|
||||||
|
sc->bounda = 4096;
|
||||||
|
sc->boundb = 4096;
|
||||||
|
|
||||||
|
sc->sc_ih.ih_func = pmsintr;
|
||||||
|
sc->sc_ih.ih_arg = sc;
|
||||||
|
sc->sc_ih.ih_level = IPL_TTY;
|
||||||
|
sc->sc_ih.ih_name = "pms";
|
||||||
|
if (mb->mb_irq != IRQUNK)
|
||||||
|
sc->sc_ih.ih_num = mb->mb_irq;
|
||||||
|
else
|
||||||
|
#ifdef RC7500
|
||||||
|
sc->sc_ih.ih_num = IRQ_MSDRX;
|
||||||
|
#else
|
||||||
|
panic("pms: No IRQ specified for pms interrupt handler\n");
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsopen(dev, flag, mode, p)
|
||||||
|
dev_t dev;
|
||||||
|
int flag;
|
||||||
|
int mode;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
int unit = PMSUNIT(dev);
|
||||||
|
struct pms_softc *sc;
|
||||||
|
|
||||||
|
if (unit >= pms_cd.cd_ndevs)
|
||||||
|
return ENXIO;
|
||||||
|
sc = pms_cd.cd_devs[unit];
|
||||||
|
if (!sc)
|
||||||
|
return ENXIO;
|
||||||
|
|
||||||
|
if (sc->sc_state & PMS_OPEN)
|
||||||
|
return EBUSY;
|
||||||
|
|
||||||
|
if (clalloc(&sc->sc_q, PMS_BSIZE, 0) == -1)
|
||||||
|
return ENOMEM;
|
||||||
|
|
||||||
|
sc->proc = p;
|
||||||
|
sc->sc_state |= PMS_OPEN;
|
||||||
|
sc->sc_status = 0;
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
sc->lastx = -1;
|
||||||
|
sc->lasty = -1;
|
||||||
|
sc->lastb = -1;
|
||||||
|
|
||||||
|
if (irq_claim(IRQ_INSTRUCT, &sc->sc_ih) == -1)
|
||||||
|
panic("Cannot claim MOUSE IRQ\n");
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsclose(dev, flag, mode, p)
|
||||||
|
dev_t dev;
|
||||||
|
int flag;
|
||||||
|
int mode;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
|
||||||
|
if (irq_release(IRQ_INSTRUCT, &sc->sc_ih) != 0)
|
||||||
|
panic("Cannot release MOUSE IRQ\n");
|
||||||
|
|
||||||
|
sc->proc = NULL;
|
||||||
|
sc->sc_state &= ~PMS_OPEN;
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
|
||||||
|
clfree(&sc->sc_q);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsread(dev, uio, flag)
|
||||||
|
dev_t dev;
|
||||||
|
struct uio *uio;
|
||||||
|
int flag;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
int s;
|
||||||
|
int error = 0;
|
||||||
|
size_t length;
|
||||||
|
u_char buffer[PMS_CHUNK];
|
||||||
|
|
||||||
|
/* Block until mouse activity occured. */
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
while (sc->sc_q.c_cc == 0) {
|
||||||
|
if (flag & IO_NDELAY) {
|
||||||
|
splx(s);
|
||||||
|
return EWOULDBLOCK;
|
||||||
|
}
|
||||||
|
sc->sc_state |= PMS_ASLP;
|
||||||
|
if (error = tsleep((caddr_t)sc, (PZERO | PCATCH), "pmsread", 0)) {
|
||||||
|
sc->sc_state &= ~PMS_ASLP;
|
||||||
|
splx(s);
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Transfer as many chunks as possible. */
|
||||||
|
|
||||||
|
while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
|
||||||
|
length = min(sc->sc_q.c_cc, uio->uio_resid);
|
||||||
|
if (length > sizeof(buffer))
|
||||||
|
length = sizeof(buffer);
|
||||||
|
|
||||||
|
/* Remove a small chunk from the input queue. */
|
||||||
|
(void) q_to_b(&sc->sc_q, buffer, length);
|
||||||
|
|
||||||
|
/* Copy the data to the user process. */
|
||||||
|
if (error = uiomove(buffer, length, uio))
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsioctl(dev, cmd, addr, flag, p)
|
||||||
|
dev_t dev;
|
||||||
|
u_long cmd;
|
||||||
|
caddr_t addr;
|
||||||
|
int flag;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
struct mouseinfo info;
|
||||||
|
int s;
|
||||||
|
int error = 0;
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case MOUSEIOC_SETSTATE:
|
||||||
|
printf("MOUSEIOC_SETSTATE called\n");
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_WRITEX:
|
||||||
|
sc->sc_x = *(int *) addr;
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_WRITEY:
|
||||||
|
sc->sc_y = *(int *) addr;
|
||||||
|
break;
|
||||||
|
case MOUSEIOC_SETBOUNDS:
|
||||||
|
{
|
||||||
|
register struct mouse_boundingbox *bo = (void *) addr;
|
||||||
|
sc->boundx = bo->x; sc->boundy = bo->y;
|
||||||
|
sc->bounda = bo->a; sc->boundb = bo->b;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_SETORIGIN:
|
||||||
|
{
|
||||||
|
register struct mouse_origin *oo = (void *) addr;
|
||||||
|
sc->origx = oo->x;
|
||||||
|
sc->origy = oo->y;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETBOUNDS:
|
||||||
|
{
|
||||||
|
register struct mouse_boundingbox *bo = (void *) addr;
|
||||||
|
bo->x = sc->boundx; bo->y = sc->boundy;
|
||||||
|
bo->a = sc->bounda; bo->b = sc->boundb;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETORIGIN:
|
||||||
|
{
|
||||||
|
register struct mouse_origin *oo = (void *) addr;
|
||||||
|
oo->x = sc->origx;
|
||||||
|
oo->y = sc->origy;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case MOUSEIOC_GETSTATE:
|
||||||
|
printf("MOUSEIOC_GETSTATE called\n");
|
||||||
|
/*
|
||||||
|
* Fall through.
|
||||||
|
*/
|
||||||
|
/* case MOUSEIOCREAD:*/
|
||||||
|
|
||||||
|
info.status = sc->sc_status;
|
||||||
|
if (sc->sc_x || sc->sc_y)
|
||||||
|
info.status |= MOVEMENT;
|
||||||
|
|
||||||
|
#if 1
|
||||||
|
info.xmotion = sc->sc_x;
|
||||||
|
info.ymotion = sc->sc_y;
|
||||||
|
#else
|
||||||
|
if (sc->sc_x > sc->bounda)
|
||||||
|
info.xmotion = sc->bounda;
|
||||||
|
else if (sc->sc_x < sc->boundx)
|
||||||
|
info.xmotion = sc->boundx;
|
||||||
|
else
|
||||||
|
info.xmotion = sc->sc_x;
|
||||||
|
|
||||||
|
if (sc->sc_y > sc->boundb)
|
||||||
|
info.ymotion = sc->boundb;
|
||||||
|
else if (sc->sc_y < sc->boundy)
|
||||||
|
info.ymotion = sc->boundy;
|
||||||
|
else
|
||||||
|
info.ymotion = sc->sc_y;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Reset historical information. */
|
||||||
|
sc->sc_x = sc->sc_y = 0;
|
||||||
|
sc->sc_status &= ~BUTCHNGMASK;
|
||||||
|
ndflush(&sc->sc_q, sc->sc_q.c_cc);
|
||||||
|
|
||||||
|
error = copyout(&info, addr, sizeof(struct mouseinfo));
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
error = EINVAL;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Masks for the first byte of a packet */
|
||||||
|
#define PS2LBUTMASK 0x01
|
||||||
|
#define PS2RBUTMASK 0x02
|
||||||
|
#define PS2MBUTMASK 0x04
|
||||||
|
|
||||||
|
#define XNEG_MASK 0x10
|
||||||
|
#define YNEG_MASK 0x20
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsintr(arg)
|
||||||
|
void *arg;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = arg;
|
||||||
|
static int state = 0;
|
||||||
|
static u_char buttons;
|
||||||
|
u_char changed;
|
||||||
|
static int dx, dy;
|
||||||
|
int dosignal = 0;
|
||||||
|
int s;
|
||||||
|
u_char b;
|
||||||
|
struct mousebufrec mbuffer;
|
||||||
|
|
||||||
|
if ((sc->sc_state & PMS_OPEN) == 0) {
|
||||||
|
/* Interrupts are not expected. Discard the byte. */
|
||||||
|
pms_flush();
|
||||||
|
return(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (state) {
|
||||||
|
|
||||||
|
case 0:
|
||||||
|
buttons = inb(IOMD_MSDATA);
|
||||||
|
if ((buttons & 0xc0) == 0)
|
||||||
|
++state;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
dx = inb(IOMD_MSDATA);
|
||||||
|
dx = (buttons & XNEG_MASK) ? -dx : dx;
|
||||||
|
++state;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
dy = inb(IOMD_MSDATA);
|
||||||
|
dy = (buttons & YNEG_MASK) ? -dy : dy;
|
||||||
|
state = 0;
|
||||||
|
|
||||||
|
buttons = ((buttons & PS2LBUTMASK) << 2) |
|
||||||
|
((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1);
|
||||||
|
/*
|
||||||
|
* Ahhh, the Xarm server interrupt button bits reversed.
|
||||||
|
* If bit is set to 1, it means button is not pressed which is
|
||||||
|
* not what PS/2 mouse button bits said. Since we are simulating
|
||||||
|
* the quadmouse, that's not too picky about it.
|
||||||
|
*/
|
||||||
|
buttons ^= BUTSTATMASK;
|
||||||
|
changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3;
|
||||||
|
sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed;
|
||||||
|
|
||||||
|
if (dx || dy || changed) {
|
||||||
|
if (dx < 0)
|
||||||
|
dx = -(256 + dx);
|
||||||
|
if (dy < 0)
|
||||||
|
dy = -(256 + dy);
|
||||||
|
|
||||||
|
/* Update accumulated movements. */
|
||||||
|
sc->sc_x += dx;
|
||||||
|
sc->sc_y += dy;
|
||||||
|
|
||||||
|
if (sc->sc_x > sc->bounda)
|
||||||
|
sc->sc_x = sc->bounda;
|
||||||
|
else if (sc->sc_x < sc->boundx)
|
||||||
|
sc->sc_x = sc->boundx;
|
||||||
|
|
||||||
|
if (sc->sc_y > sc->boundb)
|
||||||
|
sc->sc_y = sc->boundb;
|
||||||
|
else if (sc->sc_y < sc->boundy)
|
||||||
|
sc->sc_y = sc->boundy;
|
||||||
|
|
||||||
|
if (sc->sc_q.c_cc == 0) {
|
||||||
|
dosignal = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Add this event to the queue. */
|
||||||
|
b = buttons & BUTSTATMASK;
|
||||||
|
mbuffer.status = b | (b ^ sc->lastb) << 3
|
||||||
|
| (((sc->sc_x==sc->lastx) && (sc->sc_y==sc->lasty))?0:0x40);
|
||||||
|
mbuffer.x = sc->sc_x * 2;
|
||||||
|
mbuffer.y = sc->sc_y * 2;
|
||||||
|
microtime(&mbuffer.event_time);
|
||||||
|
s = spltty();
|
||||||
|
(void) b_to_q((char *)&mbuffer, sizeof(mbuffer), &sc->sc_q);
|
||||||
|
(void) splx(s);
|
||||||
|
sc->lastx = sc->sc_x;
|
||||||
|
sc->lasty = sc->sc_y;
|
||||||
|
sc->lastb = b;
|
||||||
|
|
||||||
|
selwakeup(&sc->sc_rsel);
|
||||||
|
if (sc->sc_state & PMS_ASLP) {
|
||||||
|
sc->sc_state &= ~PMS_ASLP;
|
||||||
|
wakeup((caddr_t)sc);
|
||||||
|
}
|
||||||
|
if (dosignal)
|
||||||
|
psignal(sc->proc, SIGIO);
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
pmsselect(dev, rw, p)
|
||||||
|
dev_t dev;
|
||||||
|
int rw;
|
||||||
|
struct proc *p;
|
||||||
|
{
|
||||||
|
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||||
|
int s;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (rw == FWRITE)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
s = spltty();
|
||||||
|
if (!sc->sc_q.c_cc) {
|
||||||
|
selrecord(p, &sc->sc_rsel);
|
||||||
|
ret = 0;
|
||||||
|
} else
|
||||||
|
ret = 1;
|
||||||
|
splx(s);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue