static int adb_mouse_request(ADBDevice *d, uint8_t *obuf,
const uint8_t *buf, int len)
{
MouseState *s = d->opaque;
int cmd, reg, olen;
if ((buf[0] & 0x0f) == ADB_FLUSH) {
/* flush mouse fifo */
s->buttons_state = s->last_buttons_state;
s->dx = 0;
s->dy = 0;
s->dz = 0;
return 0;
}
cmd = buf[0] & 0xc;
reg = buf[0] & 0x3;
olen = 0;
switch(cmd) {
case ADB_WRITEREG:
ADB_DPRINTF("write reg %d val 0x%2.2x\n", reg, buf[1]);
switch(reg) {
case 2:
break;
case 3:
switch(buf[2]) {
case ADB_CMD_SELF_TEST:
break;
case ADB_CMD_CHANGE_ID:
case ADB_CMD_CHANGE_ID_AND_ACT:
case ADB_CMD_CHANGE_ID_AND_ENABLE:
d->devaddr = buf[1] & 0xf;
break;
default:
/* XXX: check this */
d->devaddr = buf[1] & 0xf;
break;
}
}
break;
case ADB_READREG:
switch(reg) {
case 0:
olen = adb_mouse_poll(d, obuf);
break;
case 1:
break;
case 3:
obuf[0] = d->handler;
obuf[1] = d->devaddr;
olen = 2;
break;
}
ADB_DPRINTF("read reg %d obuf[0] 0x%2.2x obuf[1] 0x%2.2x\n", reg,
obuf[0], obuf[1]);
break;
}
return olen;
}
static int adb_mouse_request(ADBDevice *d, uint8_t *obuf,
const uint8_t *buf, int len)
{
MouseState *s = ADB_MOUSE(d);
int cmd, reg, olen;
if ((buf[0] & 0x0f) == ADB_FLUSH) {
/* flush mouse fifo */
s->buttons_state = s->last_buttons_state;
s->dx = 0;
s->dy = 0;
s->dz = 0;
trace_adb_mouse_flush();
return 0;
}
cmd = buf[0] & 0xc;
reg = buf[0] & 0x3;
olen = 0;
switch (cmd) {
case ADB_WRITEREG:
trace_adb_mouse_writereg(reg, buf[1]);
switch (reg) {
case 2:
break;
case 3:
switch (buf[2]) {
case ADB_CMD_SELF_TEST:
break;
case ADB_CMD_CHANGE_ID:
case ADB_CMD_CHANGE_ID_AND_ACT:
case ADB_CMD_CHANGE_ID_AND_ENABLE:
d->devaddr = buf[1] & 0xf;
trace_adb_mouse_request_change_addr(d->devaddr);
break;
default:
d->devaddr = buf[1] & 0xf;
/* we support handlers:
* 0x01: Classic Apple Mouse Protocol / 100 cpi operations
* 0x02: Classic Apple Mouse Protocol / 200 cpi operations
* we don't support handlers (at least):
* 0x03: Mouse systems A3 trackball
* 0x04: Extended Apple Mouse Protocol
* 0x2f: Microspeed mouse
* 0x42: Macally
* 0x5f: Microspeed mouse
* 0x66: Microspeed mouse
*/
if (buf[2] == 1 || buf[2] == 2) {
d->handler = buf[2];
}
trace_adb_mouse_request_change_addr_and_handler(d->devaddr,
d->handler);
break;
}
}
break;
case ADB_READREG:
switch (reg) {
case 0:
olen = adb_mouse_poll(d, obuf);
break;
case 1:
break;
case 3:
obuf[0] = d->handler;
obuf[1] = d->devaddr;
olen = 2;
break;
}
trace_adb_mouse_readreg(reg, obuf[0], obuf[1]);
break;
}
return olen;
}
