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NetBSD/sys/arch/macppc/dev/ams.c

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/* $NetBSD: ams.c,v 1.2 1998/10/18 09:31:41 tsubai Exp $ */
/*
* Copyright (C) 1998 Colin Wood
* 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 Colin Wood.
* 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 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/fcntl.h>
#include <sys/poll.h>
#include <sys/select.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
#include <sys/systm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
#include <machine/autoconf.h>
#include <machine/keyboard.h>
#include <macppc/dev/adbvar.h>
#include <macppc/dev/aedvar.h>
#include <macppc/dev/amsvar.h>
#include "aed.h"
/*
* Function declarations.
*/
static int amsmatch __P((struct device *, struct cfdata *, void *));
static void amsattach __P((struct device *, struct device *, void *));
static void ems_init __P((struct ams_softc *));
static void ms_processevent __P((adb_event_t *event, struct ams_softc *));
/*
* Global variables.
*/
extern int kbd_polling; /* Are we polling (Debugger mode)? from kbd.c */
/*
* Local variables.
*/
static volatile int extdms_done; /* Did ADBOp() complete? */
/* Driver definition. */
struct cfattach ams_ca = {
sizeof(struct ams_softc), amsmatch, amsattach
};
extern struct cfdriver ms_cd;
int ams_enable __P((void *));
int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
void ams_disable __P((void *));
const struct wsmouse_accessops ams_accessops = {
ams_enable,
ams_ioctl,
ams_disable,
};
static int
amsmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct adb_attach_args * aa_args = (struct adb_attach_args *)aux;
if (aa_args->origaddr == ADBADDR_MS)
return 1;
else
return 0;
}
static void
amsattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
ADBSetInfoBlock adbinfo;
struct ams_softc *sc = (struct ams_softc *)self;
struct adb_attach_args * aa_args = (struct adb_attach_args *)aux;
int error;
struct wsmousedev_attach_args a;
sc->origaddr = aa_args->origaddr;
sc->adbaddr = aa_args->adbaddr;
sc->handler_id = aa_args->handler_id;
sc->sc_class = MSCLASS_MOUSE;
sc->sc_buttons = 1;
sc->sc_res = 100;
sc->sc_devid[0] = 0;
sc->sc_devid[4] = 0;
adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete;
adbinfo.siDataAreaAddr = (caddr_t)sc;
ems_init(sc);
/* print out the type of mouse we have */
switch (sc->handler_id) {
case ADBMS_100DPI:
printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
sc->sc_res);
break;
case ADBMS_200DPI:
sc->sc_res = 200;
printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
sc->sc_res);
break;
case ADBMS_MSA3:
printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
sc->sc_buttons, sc->sc_res);
break;
case ADBMS_USPEED:
printf("MicroSpeed mouse, default parameters\n");
break;
case ADBMS_EXTENDED:
if (sc->sc_devid[0] == '\0') {
printf("Logitech ");
switch (sc->sc_class) {
case MSCLASS_MOUSE:
printf("MouseMan (non-EMP) mouse");
break;
case MSCLASS_TRACKBALL:
printf("TrackMan (non-EMP) trackball");
break;
default:
printf("non-EMP relative positioning device");
break;
}
printf("\n");
} else {
printf("EMP ");
switch (sc->sc_class) {
case MSCLASS_TABLET:
printf("tablet");
break;
case MSCLASS_MOUSE:
printf("mouse");
break;
case MSCLASS_TRACKBALL:
printf("trackball");
break;
default:
printf("unknown device");
break;
}
printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
sc->sc_buttons, sc->sc_res);
}
break;
default:
printf("relative positioning device (mouse?) (%d)\n",
sc->handler_id);
break;
}
error = SetADBInfo(&adbinfo, sc->adbaddr);
#ifdef ADB_DEBUG
if (adb_debug)
printf("ms: returned %d from SetADBInfo\n", error);
#endif
a.accessops = &ams_accessops;
a.accesscookie = sc;
sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
}
/*
* Initialize extended mouse support -- probes devices as described
* in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
*
* Extended Mouse Protocol is documented in TechNote HW1:
* "ADB - The Untold Story: Space Aliens Ate My Mouse"
*
* Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
* Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
*/
void
ems_init(sc)
struct ams_softc * sc;
{
int adbaddr, count;
short cmd;
u_char buffer[9];
adbaddr = sc->adbaddr;
if (sc->origaddr != ADBADDR_MS)
return;
if (sc->handler_id == ADBMS_USPEED) {
/* Found MicroSpeed Mouse Deluxe Mac */
cmd = ((adbaddr<<4)&0xF0)|0x9; /* listen 1 */
/*
* To setup the MicroSpeed, it appears that we can
* send the following command to the mouse and then
* expect data back in the form:
* buffer[0] = 4 (bytes)
* buffer[1], buffer[2] as std. mouse
* buffer[3] = buffer[4] = 0xff when no buttons
* are down. When button N down, bit N is clear.
* buffer[4]'s locking mask enables a
* click to toggle the button down state--sort of
* like the "Easy Access" shift/control/etc. keys.
* buffer[3]'s alternative speed mask enables using
* different speed when the corr. button is down
*/
buffer[0] = 4;
buffer[1] = 0x00; /* Alternative speed */
buffer[2] = 0x00; /* speed = maximum */
buffer[3] = 0x10; /* enable extended protocol,
* lower bits = alt. speed mask
* = 0000b
*/
buffer[4] = 0x07; /* Locking mask = 0000b,
* enable buttons = 0111b
*/
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
sc->sc_buttons = 3;
sc->sc_res = 200;
return;
}
if ((sc->handler_id == ADBMS_100DPI) ||
(sc->handler_id == ADBMS_200DPI)) {
/* found a mouse */
cmd = ((adbaddr << 4) & 0xf0) | 0x3;
extdms_done = 0;
cmd = (cmd & 0xf3) | 0x0c; /* talk command */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
/* Wait until done, but no more than 2 secs */
count = 40000;
while (!extdms_done && count-- > 0)
delay(50);
if (!extdms_done) {
#ifdef ADB_DEBUG
if (adb_debug)
printf("adb: extdms_init timed out\n");
#endif
return;
}
/* Attempt to initialize Extended Mouse Protocol */
buffer[2] = '\004'; /* make handler ID 4 */
extdms_done = 0;
cmd = (cmd & 0xf3) | 0x08; /* listen command */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
/*
* Check to see if successful, if not
* try to initialize it as other types
*/
cmd = ((adbaddr << 4) & 0xf0) | 0x3;
extdms_done = 0;
cmd = (cmd & 0xf3) | 0x0c; /* talk command */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
if (buffer[2] == ADBMS_EXTENDED) {
sc->handler_id = ADBMS_EXTENDED;
extdms_done = 0;
/* talk register 1 */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, (adbaddr << 4) | 0xd);
while (!extdms_done)
/* busy-wait until done */;
if (buffer[0] == 8) {
/* we have a true EMP device */
sc->sc_class = buffer[7];
sc->sc_buttons = buffer[8];
sc->sc_res = (int)*(short *)&buffer[5];
bcopy(&(buffer[1]), sc->sc_devid, 4);
} else if (buffer[1] == 0x9a &&
((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
/*
* Set up non-EMP Mouseman/Trackman to put
* button bits in 3rd byte instead of sending
* via pseudo keyboard device.
*/
extdms_done = 0;
/* listen register 1 */
buffer[0]=2;
buffer[1]=0x00;
buffer[2]=0x81;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, (adbaddr << 4) | 0x9);
while (!extdms_done)
/* busy-wait until done */;
extdms_done = 0;
/* listen register 1 */
buffer[0]=2;
buffer[1]=0x01;
buffer[2]=0x81;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, (adbaddr << 4) | 0x9);
while (!extdms_done)
/* busy-wait until done */;
extdms_done = 0;
/* listen register 1 */
buffer[0]=2;
buffer[1]=0x02;
buffer[2]=0x81;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, (adbaddr << 4) | 0x9);
while (!extdms_done)
/* busy-wait until done */;
extdms_done = 0;
/* listen register 1 */
buffer[0]=2;
buffer[1]=0x03;
buffer[2]=0x38;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, (adbaddr << 4) | 0x9);
while (!extdms_done)
/* busy-wait until done */;
sc->sc_buttons = 3;
sc->sc_res = 400;
if (buffer[2] == 0x21)
sc->sc_class = MSCLASS_TRACKBALL;
else
sc->sc_class = MSCLASS_MOUSE;
} else
/* unknown device? */;
} else {
/* Attempt to initialize as an A3 mouse */
buffer[2] = 0x03; /* make handler ID 3 */
extdms_done = 0;
cmd = (cmd & 0xf3) | 0x08; /* listen command */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
/*
* Check to see if successful, if not
* try to initialize it as other types
*/
cmd = ((adbaddr << 4) & 0xf0) | 0x3;
extdms_done = 0;
cmd = (cmd & 0xf3) | 0x0c; /* talk command */
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
if (buffer[2] == ADBMS_MSA3) {
sc->handler_id = ADBMS_MSA3;
/* Initialize as above */
cmd = ((adbaddr << 4) & 0xF0) | 0xA;
/* listen 2 */
buffer[0] = 3;
buffer[1] = 0x00;
/* Irrelevant, buffer has 0x77 */
buffer[2] = 0x07;
/*
* enable 3 button mode = 0111b,
* speed = normal
*/
extdms_done = 0;
ADBOp((Ptr)buffer, (Ptr)extdms_complete,
(Ptr)&extdms_done, cmd);
while (!extdms_done)
/* busy wait until done */;
sc->sc_buttons = 3;
sc->sc_res = 300;
} else {
/* No special support for this mouse */
}
}
}
}
/*
* Handle putting the mouse data received from the ADB into
* an ADB event record.
*/
void
ms_adbcomplete(buffer, data_area, adb_command)
caddr_t buffer;
caddr_t data_area;
int adb_command;
{
adb_event_t event;
struct ams_softc *msc;
int adbaddr;
#ifdef ADB_DEBUG
int i;
if (adb_debug)
printf("adb: transaction completion\n");
#endif
adbaddr = (adb_command & 0xf0) >> 4;
msc = (struct ams_softc *)data_area;
if ((msc->handler_id == ADBMS_EXTENDED) && (msc->sc_devid[0] == 0)) {
/* massage the data to look like EMP data */
if ((buffer[3] & 0x04) == 0x04)
buffer[1] &= 0x7f;
else
buffer[1] |= 0x80;
if ((buffer[3] & 0x02) == 0x02)
buffer[2] &= 0x7f;
else
buffer[2] |= 0x80;
if ((buffer[3] & 0x01) == 0x01)
buffer[3] = 0x00;
else
buffer[3] = 0x80;
}
event.addr = adbaddr;
event.hand_id = msc->handler_id;
event.def_addr = msc->origaddr;
event.byte_count = buffer[0];
memcpy(event.bytes, buffer + 1, event.byte_count);
#ifdef ADB_DEBUG
if (adb_debug) {
printf("ms: from %d at %d (org %d) %d:", event.addr,
event.hand_id, event.def_addr, buffer[0]);
for (i = 1; i <= buffer[0]; i++)
printf(" %x", buffer[i]);
printf("\n");
}
#endif
microtime(&event.timestamp);
ms_processevent(&event, msc);
}
/*
* Given a mouse ADB event, record the button settings, calculate the
* x- and y-axis motion, and handoff the event to the appropriate subsystem.
*/
static void
ms_processevent(event, msc)
adb_event_t *event;
struct ams_softc *msc;
{
adb_event_t new_event;
int i, button_bit, max_byte, mask, buttons;
new_event = *event;
buttons = 0;
/*
* This should handle both plain ol' Apple mice and mice
* that claim to support the Extended Apple Mouse Protocol.
*/
max_byte = event->byte_count;
button_bit = 1;
switch (event->hand_id) {
case ADBMS_USPEED:
/* MicroSpeed mouse */
if (max_byte == 4)
buttons = (~event->bytes[2]) & 0xff;
else
buttons = (event->bytes[0] & 0x80) ? 0 : 1;
break;
case ADBMS_MSA3:
/* Mouse Systems A3 mouse */
if (max_byte == 3)
buttons = (~event->bytes[2]) & 0x07;
else
buttons = (event->bytes[0] & 0x80) ? 0 : 1;
break;
default:
/* Classic Mouse Protocol (up to 2 buttons) */
for (i = 0; i < 2; i++, button_bit <<= 1)
/* 0 when button down */
if (!(event->bytes[i] & 0x80))
buttons |= button_bit;
else
buttons &= ~button_bit;
/* Extended Protocol (up to 6 more buttons) */
for (mask = 0x80; i < max_byte;
i += (mask == 0x80), button_bit <<= 1) {
/* 0 when button down */
if (!(event->bytes[i] & mask))
buttons |= button_bit;
else
buttons &= ~button_bit;
mask = ((mask >> 4) & 0xf)
| ((mask & 0xf) << 4);
}
break;
}
new_event.u.m.buttons = msc->sc_mb | buttons;
new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
((event->bytes[1] & 0x40) ? 64 : 0);
new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
((event->bytes[0] & 0x40) ? 64 : 0);
wsmouse_input(msc->sc_wsmousedev, new_event.u.m.buttons,
new_event.u.m.dx, new_event.u.m.dy, 0);
#if NAED > 0
aed_input(&new_event);
#endif
}
void
extdms_complete(buffer, compdata, cmd)
caddr_t buffer, compdata;
int cmd;
{
long *p = (long *)compdata;
*p= -1;
}
int
ams_enable(v)
void *v;
{
return 0;
}
int
ams_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
return -1;
}
void
ams_disable(v)
void *v;
{
}
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