freebsd-dev/sys/dev/mse/mse.c
Julian Elischer b40ce4165d KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: peter@freebsd.org, dillon@freebsd.org

X-MFC after:    ha ha ha ha
2001-09-12 08:38:13 +00:00

927 lines
23 KiB
C

/*
* Copyright 1992 by the University of Guelph
*
* Permission to use, copy and modify this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation.
* University of Guelph makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* $FreeBSD$
*/
/*
* Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and
* the X386 port, courtesy of
* Rick Macklem, rick@snowhite.cis.uoguelph.ca
* Caveats: The driver currently uses spltty(), but doesn't use any
* generic tty code. It could use splmse() (that only masks off the
* bus mouse interrupt, but that would require hacking in i386/isa/icu.s.
* (This may be worth the effort, since the Logitech generates 30/60
* interrupts/sec continuously while it is open.)
* NB: The ATI has NOT been tested yet!
*/
/*
* Modification history:
* Sep 6, 1994 -- Lars Fredriksen(fredriks@mcs.com)
* improved probe based on input from Logitech.
*
* Oct 19, 1992 -- E. Stark (stark@cs.sunysb.edu)
* fixes to make it work with Microsoft InPort busmouse
*
* Jan, 1993 -- E. Stark (stark@cs.sunysb.edu)
* added patches for new "select" interface
*
* May 4, 1993 -- E. Stark (stark@cs.sunysb.edu)
* changed position of some spl()'s in mseread
*
* October 8, 1993 -- E. Stark (stark@cs.sunysb.edu)
* limit maximum negative x/y value to -127 to work around XFree problem
* that causes spurious button pushes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/poll.h>
#include <sys/selinfo.h>
#include <sys/uio.h>
#include <sys/mouse.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/clock.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <isa/isavar.h>
/* driver configuration flags (config) */
#define MSE_CONFIG_ACCEL 0x00f0 /* acceleration factor */
#define MSE_CONFIG_FLAGS (MSE_CONFIG_ACCEL)
/*
* Software control structure for mouse. The sc_enablemouse(),
* sc_disablemouse() and sc_getmouse() routines must be called spl'd().
*/
typedef struct mse_softc {
int sc_flags;
int sc_mousetype;
struct selinfo sc_selp;
struct resource *sc_port;
struct resource *sc_intr;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
void *sc_ih;
void (*sc_enablemouse) __P((bus_space_tag_t t,
bus_space_handle_t h));
void (*sc_disablemouse) __P((bus_space_tag_t t,
bus_space_handle_t h));
void (*sc_getmouse) __P((bus_space_tag_t t,
bus_space_handle_t h,
int *dx, int *dy, int *but));
int sc_deltax;
int sc_deltay;
int sc_obuttons;
int sc_buttons;
int sc_bytesread;
u_char sc_bytes[MOUSE_SYS_PACKETSIZE];
struct callout_handle sc_callout;
int sc_watchdog;
dev_t sc_dev;
dev_t sc_ndev;
mousehw_t hw;
mousemode_t mode;
mousestatus_t status;
} mse_softc_t;
static devclass_t mse_devclass;
static int mse_probe __P((device_t dev));
static int mse_attach __P((device_t dev));
static int mse_detach __P((device_t dev));
static device_method_t mse_methods[] = {
DEVMETHOD(device_probe, mse_probe),
DEVMETHOD(device_attach, mse_attach),
DEVMETHOD(device_detach, mse_detach),
{ 0, 0 }
};
static driver_t mse_driver = {
"mse",
mse_methods,
sizeof(mse_softc_t),
};
DRIVER_MODULE(mse, isa, mse_driver, mse_devclass, 0, 0);
static struct isa_pnp_id mse_ids[] = {
{ 0x000fd041, "Bus mouse" }, /* PNP0F00 */
{ 0x020fd041, "InPort mouse" }, /* PNP0F02 */
{ 0x0d0fd041, "InPort mouse compatible" }, /* PNP0F0D */
{ 0x110fd041, "Bus mouse compatible" }, /* PNP0F11 */
{ 0x150fd041, "Logitech bus mouse" }, /* PNP0F15 */
{ 0x180fd041, "Logitech bus mouse compatible" },/* PNP0F18 */
{ 0 }
};
static d_open_t mseopen;
static d_close_t mseclose;
static d_read_t mseread;
static d_ioctl_t mseioctl;
static d_poll_t msepoll;
#define CDEV_MAJOR 27
static struct cdevsw mse_cdevsw = {
/* open */ mseopen,
/* close */ mseclose,
/* read */ mseread,
/* write */ nowrite,
/* ioctl */ mseioctl,
/* poll */ msepoll,
/* mmap */ nommap,
/* strategy */ nostrategy,
/* name */ "mse",
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ nopsize,
/* flags */ 0,
};
static void mseintr __P((void *));
static timeout_t msetimeout;
/* Flags */
#define MSESC_OPEN 0x1
#define MSESC_WANT 0x2
/* and Mouse Types */
#define MSE_NONE 0 /* don't move this! */
#define MSE_LOGITECH 0x1
#define MSE_ATIINPORT 0x2
#define MSE_LOGI_SIG 0xA5
#define MSE_PORTA 0
#define MSE_PORTB 1
#define MSE_PORTC 2
#define MSE_PORTD 3
#define MSE_IOSIZE 4
#define MSE_UNIT(dev) (minor(dev) >> 1)
#define MSE_NBLOCKIO(dev) (minor(dev) & 0x1)
/*
* Logitech bus mouse definitions
*/
#define MSE_SETUP 0x91 /* What does this mean? */
/* The definition for the control port */
/* is as follows: */
/* D7 = Mode set flag (1 = active) */
/* D6,D5 = Mode selection (port A) */
/* 00 = Mode 0 = Basic I/O */
/* 01 = Mode 1 = Strobed I/O */
/* 10 = Mode 2 = Bi-dir bus */
/* D4 = Port A direction (1 = input)*/
/* D3 = Port C (upper 4 bits) */
/* direction. (1 = input) */
/* D2 = Mode selection (port B & C) */
/* 0 = Mode 0 = Basic I/O */
/* 1 = Mode 1 = Strobed I/O */
/* D1 = Port B direction (1 = input)*/
/* D0 = Port C (lower 4 bits) */
/* direction. (1 = input) */
/* So 91 means Basic I/O on all 3 ports,*/
/* Port A is an input port, B is an */
/* output port, C is split with upper */
/* 4 bits being an output port and lower*/
/* 4 bits an input port, and enable the */
/* sucker. */
/* Courtesy Intel 8255 databook. Lars */
#define MSE_HOLD 0x80
#define MSE_RXLOW 0x00
#define MSE_RXHIGH 0x20
#define MSE_RYLOW 0x40
#define MSE_RYHIGH 0x60
#define MSE_DISINTR 0x10
#define MSE_INTREN 0x00
static int mse_probelogi __P((device_t dev, mse_softc_t *sc));
static void mse_disablelogi __P((bus_space_tag_t t,
bus_space_handle_t h));
static void mse_getlogi __P((bus_space_tag_t t,
bus_space_handle_t h,
int *dx, int *dy, int *but));
static void mse_enablelogi __P((bus_space_tag_t t,
bus_space_handle_t h));
/*
* ATI Inport mouse definitions
*/
#define MSE_INPORT_RESET 0x80
#define MSE_INPORT_STATUS 0x00
#define MSE_INPORT_DX 0x01
#define MSE_INPORT_DY 0x02
#define MSE_INPORT_MODE 0x07
#define MSE_INPORT_HOLD 0x20
#define MSE_INPORT_INTREN 0x09
static int mse_probeati __P((device_t dev, mse_softc_t *sc));
static void mse_enableati __P((bus_space_tag_t t,
bus_space_handle_t h));
static void mse_disableati __P((bus_space_tag_t t,
bus_space_handle_t h));
static void mse_getati __P((bus_space_tag_t t,
bus_space_handle_t h,
int *dx, int *dy, int *but));
#define MSEPRI (PZERO + 3)
/*
* Table of mouse types.
* Keep the Logitech last, since I haven't figured out how to probe it
* properly yet. (Someday I'll have the documentation.)
*/
static struct mse_types {
int m_type; /* Type of bus mouse */
int (*m_probe) __P((device_t dev, mse_softc_t *sc));
/* Probe routine to test for it */
void (*m_enable) __P((bus_space_tag_t t, bus_space_handle_t h));
/* Start routine */
void (*m_disable) __P((bus_space_tag_t t, bus_space_handle_t h));
/* Disable interrupts routine */
void (*m_get) __P((bus_space_tag_t t, bus_space_handle_t h,
int *dx, int *dy, int *but));
/* and get mouse status */
mousehw_t m_hw; /* buttons iftype type model hwid */
mousemode_t m_mode; /* proto rate res accel level size mask */
} mse_types[] = {
{ MSE_ATIINPORT,
mse_probeati, mse_enableati, mse_disableati, mse_getati,
{ 2, MOUSE_IF_INPORT, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, },
{ MOUSE_PROTO_INPORT, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE,
{ MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, },
{ MSE_LOGITECH,
mse_probelogi, mse_enablelogi, mse_disablelogi, mse_getlogi,
{ 2, MOUSE_IF_BUS, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, },
{ MOUSE_PROTO_BUS, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE,
{ MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, },
{ 0, },
};
static int
mse_probe(dev)
device_t dev;
{
mse_softc_t *sc;
int error;
int rid;
int i;
/* check PnP IDs */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, mse_ids);
if (error == ENXIO)
return error;
sc = device_get_softc(dev);
rid = 0;
sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
MSE_IOSIZE, RF_ACTIVE);
if (sc->sc_port == NULL)
return ENXIO;
sc->sc_iot = rman_get_bustag(sc->sc_port);
sc->sc_ioh = rman_get_bushandle(sc->sc_port);
/*
* Check for each mouse type in the table.
*/
i = 0;
while (mse_types[i].m_type) {
if ((*mse_types[i].m_probe)(dev, sc)) {
sc->sc_mousetype = mse_types[i].m_type;
sc->sc_enablemouse = mse_types[i].m_enable;
sc->sc_disablemouse = mse_types[i].m_disable;
sc->sc_getmouse = mse_types[i].m_get;
sc->hw = mse_types[i].m_hw;
sc->mode = mse_types[i].m_mode;
bus_release_resource(dev, SYS_RES_IOPORT, rid,
sc->sc_port);
device_set_desc(dev, "Bus/InPort Mouse");
return 0;
}
i++;
}
bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port);
return ENXIO;
}
static int
mse_attach(dev)
device_t dev;
{
mse_softc_t *sc;
int flags;
int unit;
int rid;
sc = device_get_softc(dev);
unit = device_get_unit(dev);
rid = 0;
sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
MSE_IOSIZE, RF_ACTIVE);
if (sc->sc_port == NULL)
return ENXIO;
sc->sc_intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_ACTIVE);
if (sc->sc_intr == NULL) {
bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port);
return ENXIO;
}
sc->sc_iot = rman_get_bustag(sc->sc_port);
sc->sc_ioh = rman_get_bushandle(sc->sc_port);
if (BUS_SETUP_INTR(device_get_parent(dev), dev, sc->sc_intr,
INTR_TYPE_TTY, mseintr, sc, &sc->sc_ih)) {
bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port);
bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr);
return ENXIO;
}
flags = device_get_flags(dev);
sc->mode.accelfactor = (flags & MSE_CONFIG_ACCEL) >> 4;
callout_handle_init(&sc->sc_callout);
sc->sc_dev = make_dev(&mse_cdevsw, unit << 1, 0, 0, 0600,
"mse%d", unit);
sc->sc_ndev = make_dev(&mse_cdevsw, (unit<<1)+1, 0, 0, 0600,
"nmse%d", unit);
return 0;
}
static int
mse_detach(dev)
device_t dev;
{
mse_softc_t *sc;
int rid;
sc = device_get_softc(dev);
if (sc->sc_flags & MSESC_OPEN)
return EBUSY;
rid = 0;
BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->sc_intr, sc->sc_ih);
bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr);
bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port);
destroy_dev(sc->sc_dev);
destroy_dev(sc->sc_ndev);
return 0;
}
/*
* Exclusive open the mouse, initialize it and enable interrupts.
*/
static int
mseopen(dev, flags, fmt, td)
dev_t dev;
int flags;
int fmt;
struct thread *td;
{
mse_softc_t *sc;
int s;
sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
if (sc == NULL)
return (ENXIO);
if (sc->sc_mousetype == MSE_NONE)
return (ENXIO);
if (sc->sc_flags & MSESC_OPEN)
return (EBUSY);
sc->sc_flags |= MSESC_OPEN;
sc->sc_obuttons = sc->sc_buttons = MOUSE_MSC_BUTTONS;
sc->sc_deltax = sc->sc_deltay = 0;
sc->sc_bytesread = sc->mode.packetsize = MOUSE_MSC_PACKETSIZE;
sc->sc_watchdog = FALSE;
sc->sc_callout = timeout(msetimeout, dev, hz*2);
sc->mode.level = 0;
sc->status.flags = 0;
sc->status.button = sc->status.obutton = 0;
sc->status.dx = sc->status.dy = sc->status.dz = 0;
/*
* Initialize mouse interface and enable interrupts.
*/
s = spltty();
(*sc->sc_enablemouse)(sc->sc_iot, sc->sc_ioh);
splx(s);
return (0);
}
/*
* mseclose: just turn off mouse innterrupts.
*/
static int
mseclose(dev, flags, fmt, td)
dev_t dev;
int flags;
int fmt;
struct thread *td;
{
mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
int s;
untimeout(msetimeout, dev, sc->sc_callout);
callout_handle_init(&sc->sc_callout);
s = spltty();
(*sc->sc_disablemouse)(sc->sc_iot, sc->sc_ioh);
sc->sc_flags &= ~MSESC_OPEN;
splx(s);
return(0);
}
/*
* mseread: return mouse info using the MSC serial protocol, but without
* using bytes 4 and 5.
* (Yes this is cheesy, but it makes the X386 server happy, so...)
*/
static int
mseread(dev, uio, ioflag)
dev_t dev;
struct uio *uio;
int ioflag;
{
mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
int xfer, s, error;
/*
* If there are no protocol bytes to be read, set up a new protocol
* packet.
*/
s = spltty(); /* XXX Should be its own spl, but where is imlXX() */
if (sc->sc_bytesread >= sc->mode.packetsize) {
while (sc->sc_deltax == 0 && sc->sc_deltay == 0 &&
(sc->sc_obuttons ^ sc->sc_buttons) == 0) {
if (MSE_NBLOCKIO(dev)) {
splx(s);
return (0);
}
sc->sc_flags |= MSESC_WANT;
error = tsleep((caddr_t)sc, MSEPRI | PCATCH,
"mseread", 0);
if (error) {
splx(s);
return (error);
}
}
/*
* Generate protocol bytes.
* For some reason X386 expects 5 bytes but never uses
* the fourth or fifth?
*/
sc->sc_bytes[0] = sc->mode.syncmask[1]
| (sc->sc_buttons & ~sc->mode.syncmask[0]);
if (sc->sc_deltax > 127)
sc->sc_deltax = 127;
if (sc->sc_deltax < -127)
sc->sc_deltax = -127;
sc->sc_deltay = -sc->sc_deltay; /* Otherwise mousey goes wrong way */
if (sc->sc_deltay > 127)
sc->sc_deltay = 127;
if (sc->sc_deltay < -127)
sc->sc_deltay = -127;
sc->sc_bytes[1] = sc->sc_deltax;
sc->sc_bytes[2] = sc->sc_deltay;
sc->sc_bytes[3] = sc->sc_bytes[4] = 0;
sc->sc_bytes[5] = sc->sc_bytes[6] = 0;
sc->sc_bytes[7] = MOUSE_SYS_EXTBUTTONS;
sc->sc_obuttons = sc->sc_buttons;
sc->sc_deltax = sc->sc_deltay = 0;
sc->sc_bytesread = 0;
}
splx(s);
xfer = min(uio->uio_resid, sc->mode.packetsize - sc->sc_bytesread);
error = uiomove(&sc->sc_bytes[sc->sc_bytesread], xfer, uio);
if (error)
return (error);
sc->sc_bytesread += xfer;
return(0);
}
/*
* mseioctl: process ioctl commands.
*/
static int
mseioctl(dev, cmd, addr, flag, td)
dev_t dev;
u_long cmd;
caddr_t addr;
int flag;
struct thread *td;
{
mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
mousestatus_t status;
int err = 0;
int s;
switch (cmd) {
case MOUSE_GETHWINFO:
s = spltty();
*(mousehw_t *)addr = sc->hw;
if (sc->mode.level == 0)
((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC;
splx(s);
break;
case MOUSE_GETMODE:
s = spltty();
*(mousemode_t *)addr = sc->mode;
switch (sc->mode.level) {
case 0:
break;
case 1:
((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE;
((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK;
((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC;
break;
}
splx(s);
break;
case MOUSE_SETMODE:
switch (((mousemode_t *)addr)->level) {
case 0:
case 1:
break;
default:
return (EINVAL);
}
if (((mousemode_t *)addr)->accelfactor < -1)
return (EINVAL);
else if (((mousemode_t *)addr)->accelfactor >= 0)
sc->mode.accelfactor =
((mousemode_t *)addr)->accelfactor;
sc->mode.level = ((mousemode_t *)addr)->level;
switch (sc->mode.level) {
case 0:
sc->sc_bytesread = sc->mode.packetsize
= MOUSE_MSC_PACKETSIZE;
break;
case 1:
sc->sc_bytesread = sc->mode.packetsize
= MOUSE_SYS_PACKETSIZE;
break;
}
break;
case MOUSE_GETLEVEL:
*(int *)addr = sc->mode.level;
break;
case MOUSE_SETLEVEL:
switch (*(int *)addr) {
case 0:
sc->mode.level = *(int *)addr;
sc->sc_bytesread = sc->mode.packetsize
= MOUSE_MSC_PACKETSIZE;
break;
case 1:
sc->mode.level = *(int *)addr;
sc->sc_bytesread = sc->mode.packetsize
= MOUSE_SYS_PACKETSIZE;
break;
default:
return (EINVAL);
}
break;
case MOUSE_GETSTATUS:
s = spltty();
status = sc->status;
sc->status.flags = 0;
sc->status.obutton = sc->status.button;
sc->status.button = 0;
sc->status.dx = 0;
sc->status.dy = 0;
sc->status.dz = 0;
splx(s);
*(mousestatus_t *)addr = status;
break;
case MOUSE_READSTATE:
case MOUSE_READDATA:
return (ENODEV);
#if (defined(MOUSE_GETVARS))
case MOUSE_GETVARS:
case MOUSE_SETVARS:
return (ENODEV);
#endif
default:
return (ENOTTY);
}
return (err);
}
/*
* msepoll: check for mouse input to be processed.
*/
static int
msepoll(dev, events, td)
dev_t dev;
int events;
struct thread *td;
{
mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
int s;
int revents = 0;
s = spltty();
if (events & (POLLIN | POLLRDNORM)) {
if (sc->sc_bytesread != sc->mode.packetsize ||
sc->sc_deltax != 0 || sc->sc_deltay != 0 ||
(sc->sc_obuttons ^ sc->sc_buttons) != 0)
revents |= events & (POLLIN | POLLRDNORM);
else {
/*
* Since this is an exclusive open device, any previous
* proc pointer is trash now, so we can just assign it.
*/
selrecord(td, &sc->sc_selp);
}
}
splx(s);
return (revents);
}
/*
* msetimeout: watchdog timer routine.
*/
static void
msetimeout(arg)
void *arg;
{
dev_t dev;
mse_softc_t *sc;
dev = (dev_t)arg;
sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev));
if (sc->sc_watchdog) {
if (bootverbose)
printf("mse%d: lost interrupt?\n", MSE_UNIT(dev));
mseintr(sc);
}
sc->sc_watchdog = TRUE;
sc->sc_callout = timeout(msetimeout, dev, hz);
}
/*
* mseintr: update mouse status. sc_deltax and sc_deltay are accumulative.
*/
static void
mseintr(arg)
void *arg;
{
/*
* the table to turn MouseSystem button bits (MOUSE_MSC_BUTTON?UP)
* into `mousestatus' button bits (MOUSE_BUTTON?DOWN).
*/
static int butmap[8] = {
0,
MOUSE_BUTTON3DOWN,
MOUSE_BUTTON2DOWN,
MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN,
MOUSE_BUTTON1DOWN,
MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN,
MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN
};
mse_softc_t *sc = arg;
int dx, dy, but;
int sign;
#ifdef DEBUG
static int mse_intrcnt = 0;
if((mse_intrcnt++ % 10000) == 0)
printf("mseintr\n");
#endif /* DEBUG */
if ((sc->sc_flags & MSESC_OPEN) == 0)
return;
(*sc->sc_getmouse)(sc->sc_iot, sc->sc_ioh, &dx, &dy, &but);
if (sc->mode.accelfactor > 0) {
sign = (dx < 0);
dx = dx * dx / sc->mode.accelfactor;
if (dx == 0)
dx = 1;
if (sign)
dx = -dx;
sign = (dy < 0);
dy = dy * dy / sc->mode.accelfactor;
if (dy == 0)
dy = 1;
if (sign)
dy = -dy;
}
sc->sc_deltax += dx;
sc->sc_deltay += dy;
sc->sc_buttons = but;
but = butmap[~but & MOUSE_MSC_BUTTONS];
sc->status.dx += dx;
sc->status.dy += dy;
sc->status.flags |= ((dx || dy) ? MOUSE_POSCHANGED : 0)
| (sc->status.button ^ but);
sc->status.button = but;
sc->sc_watchdog = FALSE;
/*
* If mouse state has changed, wake up anyone wanting to know.
*/
if (sc->sc_deltax != 0 || sc->sc_deltay != 0 ||
(sc->sc_obuttons ^ sc->sc_buttons) != 0) {
if (sc->sc_flags & MSESC_WANT) {
sc->sc_flags &= ~MSESC_WANT;
wakeup((caddr_t)sc);
}
selwakeup(&sc->sc_selp);
}
}
/*
* Routines for the Logitech mouse.
*/
/*
* Test for a Logitech bus mouse and return 1 if it is.
* (until I know how to use the signature port properly, just disable
* interrupts and return 1)
*/
static int
mse_probelogi(dev, sc)
device_t dev;
mse_softc_t *sc;
{
int sig;
bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTD, MSE_SETUP);
/* set the signature port */
bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB, MSE_LOGI_SIG);
DELAY(30000); /* 30 ms delay */
sig = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB) & 0xFF;
if (sig == MSE_LOGI_SIG) {
bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC,
MSE_DISINTR);
return(1);
} else {
if (bootverbose)
device_printf(dev, "wrong signature %x\n", sig);
return(0);
}
}
/*
* Initialize Logitech mouse and enable interrupts.
*/
static void
mse_enablelogi(tag, handle)
bus_space_tag_t tag;
bus_space_handle_t handle;
{
int dx, dy, but;
bus_space_write_1(tag, handle, MSE_PORTD, MSE_SETUP);
mse_getlogi(tag, handle, &dx, &dy, &but);
}
/*
* Disable interrupts for Logitech mouse.
*/
static void
mse_disablelogi(tag, handle)
bus_space_tag_t tag;
bus_space_handle_t handle;
{
bus_space_write_1(tag, handle, MSE_PORTC, MSE_DISINTR);
}
/*
* Get the current dx, dy and button up/down state.
*/
static void
mse_getlogi(tag, handle, dx, dy, but)
bus_space_tag_t tag;
bus_space_handle_t handle;
int *dx;
int *dy;
int *but;
{
register char x, y;
bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXLOW);
x = bus_space_read_1(tag, handle, MSE_PORTA);
*but = (x >> 5) & MOUSE_MSC_BUTTONS;
x &= 0xf;
bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXHIGH);
x |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4);
bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYLOW);
y = (bus_space_read_1(tag, handle, MSE_PORTA) & 0xf);
bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYHIGH);
y |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4);
*dx = x;
*dy = y;
bus_space_write_1(tag, handle, MSE_PORTC, MSE_INTREN);
}
/*
* Routines for the ATI Inport bus mouse.
*/
/*
* Test for a ATI Inport bus mouse and return 1 if it is.
* (do not enable interrupts)
*/
static int
mse_probeati(dev, sc)
device_t dev;
mse_softc_t *sc;
{
int i;
for (i = 0; i < 2; i++)
if (bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC) == 0xde)
return (1);
return (0);
}
/*
* Initialize ATI Inport mouse and enable interrupts.
*/
static void
mse_enableati(tag, handle)
bus_space_tag_t tag;
bus_space_handle_t handle;
{
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_RESET);
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE);
bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN);
}
/*
* Disable interrupts for ATI Inport mouse.
*/
static void
mse_disableati(tag, handle)
bus_space_tag_t tag;
bus_space_handle_t handle;
{
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE);
bus_space_write_1(tag, handle, MSE_PORTB, 0);
}
/*
* Get current dx, dy and up/down button state.
*/
static void
mse_getati(tag, handle, dx, dy, but)
bus_space_tag_t tag;
bus_space_handle_t handle;
int *dx;
int *dy;
int *but;
{
register char byte;
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE);
bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_HOLD);
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_STATUS);
*but = ~bus_space_read_1(tag, handle, MSE_PORTB) & MOUSE_MSC_BUTTONS;
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DX);
byte = bus_space_read_1(tag, handle, MSE_PORTB);
*dx = byte;
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DY);
byte = bus_space_read_1(tag, handle, MSE_PORTB);
*dy = byte;
bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE);
bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN);
}