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path: root/xorg-server/hw/kdrive/linux/mouse.c
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Diffstat (limited to 'xorg-server/hw/kdrive/linux/mouse.c')
-rw-r--r--xorg-server/hw/kdrive/linux/mouse.c956
1 files changed, 465 insertions, 491 deletions
diff --git a/xorg-server/hw/kdrive/linux/mouse.c b/xorg-server/hw/kdrive/linux/mouse.c
index 93c207817..c87507790 100644
--- a/xorg-server/hw/kdrive/linux/mouse.c
+++ b/xorg-server/hw/kdrive/linux/mouse.c
@@ -38,185 +38,176 @@
#define MOUSE_TIMEOUT 100
typedef struct _kbufio {
- int fd;
- unsigned char buf[KBUFIO_SIZE];
- int avail;
- int used;
+ int fd;
+ unsigned char buf[KBUFIO_SIZE];
+ int avail;
+ int used;
} Kbufio;
static Bool
-MouseWaitForReadable (int fd, int timeout)
+MouseWaitForReadable(int fd, int timeout)
{
- fd_set set;
- struct timeval tv, *tp;
- int n;
- CARD32 done;
-
- done = GetTimeInMillis () + timeout;
- for (;;)
- {
- FD_ZERO (&set);
- FD_SET (fd, &set);
- if (timeout == -1)
- tp = 0;
- else
- {
- tv.tv_sec = timeout / 1000;
- tv.tv_usec = (timeout % 1000) * 1000;
- tp = &tv;
- }
- n = select (fd + 1, &set, 0, 0, tp);
- if (n > 0)
- return TRUE;
- if (n < 0 && (errno == EAGAIN || errno == EINTR))
- {
- timeout = (int) (done - GetTimeInMillis ());
- if (timeout > 0)
- continue;
- }
- break;
+ fd_set set;
+ struct timeval tv, *tp;
+ int n;
+ CARD32 done;
+
+ done = GetTimeInMillis() + timeout;
+ for (;;) {
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
+ if (timeout == -1)
+ tp = 0;
+ else {
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+ tp = &tv;
+ }
+ n = select(fd + 1, &set, 0, 0, tp);
+ if (n > 0)
+ return TRUE;
+ if (n < 0 && (errno == EAGAIN || errno == EINTR)) {
+ timeout = (int) (done - GetTimeInMillis());
+ if (timeout > 0)
+ continue;
+ }
+ break;
}
return FALSE;
}
static int
-MouseReadByte (Kbufio *b, int timeout)
+MouseReadByte(Kbufio * b, int timeout)
{
- int n;
- if (b->avail <= b->used)
- {
- if (timeout && !MouseWaitForReadable (b->fd, timeout))
- {
+ int n;
+
+ if (b->avail <= b->used) {
+ if (timeout && !MouseWaitForReadable(b->fd, timeout)) {
#ifdef DEBUG_BYTES
- ErrorF ("\tTimeout %d\n", timeout);
+ ErrorF("\tTimeout %d\n", timeout);
#endif
- return -1;
- }
- n = read (b->fd, b->buf, KBUFIO_SIZE);
- if (n <= 0)
- return -1;
+ return -1;
+ }
+ n = read(b->fd, b->buf, KBUFIO_SIZE);
+ if (n <= 0)
+ return -1;
b->avail = n;
b->used = 0;
}
#ifdef DEBUG_BYTES
- ErrorF ("\tget %02x\n", b->buf[b->used]);
+ ErrorF("\tget %02x\n", b->buf[b->used]);
#endif
return b->buf[b->used++];
}
#if NOTUSED
static int
-MouseFlush (Kbufio *b, char *buf, int size)
+MouseFlush(Kbufio * b, char *buf, int size)
{
- CARD32 now = GetTimeInMillis ();
- CARD32 done = now + 100;
- int c;
- int n = 0;
-
- while ((c = MouseReadByte (b, done - now)) != -1)
- {
- if (buf)
- {
- if (n == size)
- {
- memmove (buf, buf + 1, size - 1);
- n--;
- }
- buf[n++] = c;
- }
- now = GetTimeInMillis ();
- if ((INT32) (now - done) >= 0)
- break;
+ CARD32 now = GetTimeInMillis();
+ CARD32 done = now + 100;
+ int c;
+ int n = 0;
+
+ while ((c = MouseReadByte(b, done - now)) != -1) {
+ if (buf) {
+ if (n == size) {
+ memmove(buf, buf + 1, size - 1);
+ n--;
+ }
+ buf[n++] = c;
+ }
+ now = GetTimeInMillis();
+ if ((INT32) (now - done) >= 0)
+ break;
}
return n;
}
static int
-MousePeekByte (Kbufio *b, int timeout)
+MousePeekByte(Kbufio * b, int timeout)
{
- int c;
+ int c;
- c = MouseReadByte (b, timeout);
+ c = MouseReadByte(b, timeout);
if (c != -1)
- --b->used;
+ --b->used;
return c;
}
-#endif /* NOTUSED */
+#endif /* NOTUSED */
static Bool
-MouseWaitForWritable (int fd, int timeout)
+MouseWaitForWritable(int fd, int timeout)
{
- fd_set set;
- struct timeval tv, *tp;
- int n;
+ fd_set set;
+ struct timeval tv, *tp;
+ int n;
- FD_ZERO (&set);
- FD_SET (fd, &set);
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
if (timeout == -1)
- tp = 0;
- else
- {
- tv.tv_sec = timeout / 1000;
- tv.tv_usec = (timeout % 1000) * 1000;
- tp = &tv;
+ tp = 0;
+ else {
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+ tp = &tv;
}
- n = select (fd + 1, 0, &set, 0, tp);
+ n = select(fd + 1, 0, &set, 0, tp);
if (n > 0)
- return TRUE;
+ return TRUE;
return FALSE;
}
static Bool
-MouseWriteByte (int fd, unsigned char c, int timeout)
+MouseWriteByte(int fd, unsigned char c, int timeout)
{
- int ret;
+ int ret;
#ifdef DEBUG_BYTES
- ErrorF ("\tput %02x\n", c);
+ ErrorF("\tput %02x\n", c);
#endif
- for (;;)
- {
- ret = write (fd, &c, 1);
- if (ret == 1)
- return TRUE;
- if (ret == 0)
- return FALSE;
- if (errno != EWOULDBLOCK)
- return FALSE;
- if (!MouseWaitForWritable (fd, timeout))
- return FALSE;
+ for (;;) {
+ ret = write(fd, &c, 1);
+ if (ret == 1)
+ return TRUE;
+ if (ret == 0)
+ return FALSE;
+ if (errno != EWOULDBLOCK)
+ return FALSE;
+ if (!MouseWaitForWritable(fd, timeout))
+ return FALSE;
}
}
static Bool
-MouseWriteBytes (int fd, unsigned char *c, int n, int timeout)
+MouseWriteBytes(int fd, unsigned char *c, int n, int timeout)
{
while (n--)
- if (!MouseWriteByte (fd, *c++, timeout))
- return FALSE;
+ if (!MouseWriteByte(fd, *c++, timeout))
+ return FALSE;
return TRUE;
}
-#define MAX_MOUSE 10 /* maximum length of mouse protocol */
-#define MAX_SKIP 16 /* number of error bytes before switching */
-#define MAX_VALID 4 /* number of valid packets before accepting */
+#define MAX_MOUSE 10 /* maximum length of mouse protocol */
+#define MAX_SKIP 16 /* number of error bytes before switching */
+#define MAX_VALID 4 /* number of valid packets before accepting */
typedef struct _kmouseProt {
- char *name;
- Bool (*Complete) (KdPointerInfo *pi, unsigned char *ev, int ne);
- int (*Valid) (KdPointerInfo *pi, unsigned char *ev, int ne);
- Bool (*Parse) (KdPointerInfo *pi, unsigned char *ev, int ne);
- Bool (*Init) (KdPointerInfo *pi);
- unsigned char headerMask, headerValid;
- unsigned char dataMask, dataValid;
- Bool tty;
- unsigned int c_iflag;
- unsigned int c_oflag;
- unsigned int c_lflag;
- unsigned int c_cflag;
- unsigned int speed;
- unsigned char *init;
- unsigned long state;
+ char *name;
+ Bool (*Complete) (KdPointerInfo * pi, unsigned char *ev, int ne);
+ int (*Valid) (KdPointerInfo * pi, unsigned char *ev, int ne);
+ Bool (*Parse) (KdPointerInfo * pi, unsigned char *ev, int ne);
+ Bool (*Init) (KdPointerInfo * pi);
+ unsigned char headerMask, headerValid;
+ unsigned char dataMask, dataValid;
+ Bool tty;
+ unsigned int c_iflag;
+ unsigned int c_oflag;
+ unsigned int c_lflag;
+ unsigned int c_cflag;
+ unsigned int speed;
+ unsigned char *init;
+ unsigned long state;
} KmouseProt;
typedef enum _kmouseStage {
@@ -224,68 +215,71 @@ typedef enum _kmouseStage {
} KmouseStage;
typedef struct _kmouse {
- Kbufio iob;
- const KmouseProt *prot;
- int i_prot;
- KmouseStage stage; /* protocol verification stage */
- Bool tty; /* mouse device is a tty */
- int valid; /* sequential valid events */
- int tested; /* bytes scanned during Testing phase */
- int invalid;/* total invalid bytes for this protocol */
- unsigned long state; /* private per protocol, init to prot->state */
+ Kbufio iob;
+ const KmouseProt *prot;
+ int i_prot;
+ KmouseStage stage; /* protocol verification stage */
+ Bool tty; /* mouse device is a tty */
+ int valid; /* sequential valid events */
+ int tested; /* bytes scanned during Testing phase */
+ int invalid; /* total invalid bytes for this protocol */
+ unsigned long state; /* private per protocol, init to prot->state */
} Kmouse;
-static int mouseValid (KdPointerInfo *pi, unsigned char *ev, int ne)
+static int
+mouseValid(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- const KmouseProt *prot = km->prot;
- int i;
+ Kmouse *km = pi->driverPrivate;
+ const KmouseProt *prot = km->prot;
+ int i;
for (i = 0; i < ne; i++)
- if ((ev[i] & prot->headerMask) == prot->headerValid)
- break;
+ if ((ev[i] & prot->headerMask) == prot->headerValid)
+ break;
if (i != 0)
- return i;
+ return i;
for (i = 1; i < ne; i++)
- if ((ev[i] & prot->dataMask) != prot->dataValid)
- return -1;
+ if ((ev[i] & prot->dataMask) != prot->dataValid)
+ return -1;
return 0;
}
-static Bool threeComplete (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+threeComplete(KdPointerInfo * pi, unsigned char *ev, int ne)
{
return ne == 3;
}
-static Bool fourComplete (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+fourComplete(KdPointerInfo * pi, unsigned char *ev, int ne)
{
return ne == 4;
}
-static Bool fiveComplete (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+fiveComplete(KdPointerInfo * pi, unsigned char *ev, int ne)
{
return ne == 5;
}
-static Bool MouseReasonable (KdPointerInfo *pi, unsigned long flags, int dx, int dy)
+static Bool
+MouseReasonable(KdPointerInfo * pi, unsigned long flags, int dx, int dy)
{
- Kmouse *km = pi->driverPrivate;
+ Kmouse *km = pi->driverPrivate;
if (km->stage == MouseWorking)
- return TRUE;
- if (dx < -50 || dx > 50)
- {
+ return TRUE;
+ if (dx < -50 || dx > 50) {
#ifdef DEBUG
- ErrorF ("Large X %d\n", dx);
+ ErrorF("Large X %d\n", dx);
#endif
- return FALSE;
+ return FALSE;
}
- if (dy < -50 || dy > 50)
- {
+ if (dy < -50 || dy > 50) {
#ifdef DEBUG
- ErrorF ("Large Y %d\n", dy);
+ ErrorF("Large Y %d\n", dy);
#endif
- return FALSE;
+ return FALSE;
}
return TRUE;
}
@@ -293,58 +287,54 @@ static Bool MouseReasonable (KdPointerInfo *pi, unsigned long flags, int dx, int
/*
* Standard PS/2 mouse protocol
*/
-static Bool ps2Parse (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+ps2Parse(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- int dx, dy, dz;
- unsigned long flags;
- unsigned long flagsrelease = 0;
+ Kmouse *km = pi->driverPrivate;
+ int dx, dy, dz;
+ unsigned long flags;
+ unsigned long flagsrelease = 0;
flags = KD_MOUSE_DELTA;
if (ev[0] & 4)
- flags |= KD_BUTTON_2;
+ flags |= KD_BUTTON_2;
if (ev[0] & 2)
- flags |= KD_BUTTON_3;
+ flags |= KD_BUTTON_3;
if (ev[0] & 1)
- flags |= KD_BUTTON_1;
-
- if (ne > 3)
- {
- dz = (int) (signed char) ev[3];
- if (dz < 0)
- {
- flags |= KD_BUTTON_4;
- flagsrelease = KD_BUTTON_4;
- }
- else if (dz > 0)
- {
- flags |= KD_BUTTON_5;
- flagsrelease = KD_BUTTON_5;
- }
+ flags |= KD_BUTTON_1;
+
+ if (ne > 3) {
+ dz = (int) (signed char) ev[3];
+ if (dz < 0) {
+ flags |= KD_BUTTON_4;
+ flagsrelease = KD_BUTTON_4;
+ }
+ else if (dz > 0) {
+ flags |= KD_BUTTON_5;
+ flagsrelease = KD_BUTTON_5;
+ }
}
dx = ev[1];
if (ev[0] & 0x10)
- dx -= 256;
+ dx -= 256;
dy = ev[2];
if (ev[0] & 0x20)
- dy -= 256;
+ dy -= 256;
dy = -dy;
- if (!MouseReasonable (pi, flags, dx, dy))
- return FALSE;
- if (km->stage == MouseWorking)
- {
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
- if (flagsrelease)
- {
- flags &= ~flagsrelease;
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
- }
+ if (!MouseReasonable(pi, flags, dx, dy))
+ return FALSE;
+ if (km->stage == MouseWorking) {
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
+ if (flagsrelease) {
+ flags &= ~flagsrelease;
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
+ }
}
return TRUE;
}
-static Bool ps2Init (KdPointerInfo *pi);
+static Bool ps2Init(KdPointerInfo * pi);
static const KmouseProt ps2Prot = {
"ps/2",
@@ -407,143 +397,143 @@ static const KmouseProt exps2Prot = {
#define PSM_4DMOUSE_ID 6
#define PSM_4DPLUS_ID 8
-static unsigned char ps2_init[] = {
+static unsigned char ps2_init[] = {
PSMC_ENABLE_DEV,
0,
};
#define NINIT_PS2 1
-static unsigned char wheel_3button_init[] = {
+static unsigned char wheel_3button_init[] = {
PSMC_SET_SAMPLING_RATE, 200,
PSMC_SET_SAMPLING_RATE, 100,
- PSMC_SET_SAMPLING_RATE, 80,
+ PSMC_SET_SAMPLING_RATE, 80,
PSMC_SEND_DEV_ID,
0,
};
#define NINIT_IMPS2 4
-static unsigned char wheel_5button_init[] = {
+static unsigned char wheel_5button_init[] = {
PSMC_SET_SAMPLING_RATE, 200,
PSMC_SET_SAMPLING_RATE, 100,
- PSMC_SET_SAMPLING_RATE, 80,
+ PSMC_SET_SAMPLING_RATE, 80,
PSMC_SET_SAMPLING_RATE, 200,
PSMC_SET_SAMPLING_RATE, 200,
- PSMC_SET_SAMPLING_RATE, 80,
+ PSMC_SET_SAMPLING_RATE, 80,
PSMC_SEND_DEV_ID,
0
};
#define NINIT_EXPS2 7
-static unsigned char intelli_init[] = {
+static unsigned char intelli_init[] = {
PSMC_SET_SAMPLING_RATE, 200,
PSMC_SET_SAMPLING_RATE, 100,
- PSMC_SET_SAMPLING_RATE, 80,
+ PSMC_SET_SAMPLING_RATE, 80,
0
};
#define NINIT_INTELLI 3
static int
-ps2SkipInit (KdPointerInfo *pi, int ninit, Bool ret_next)
+ps2SkipInit(KdPointerInfo * pi, int ninit, Bool ret_next)
{
- Kmouse *km = pi->driverPrivate;
- int c = -1;
- int skipping;
- Bool waiting;
+ Kmouse *km = pi->driverPrivate;
+ int c = -1;
+ int skipping;
+ Bool waiting;
skipping = 0;
waiting = FALSE;
- while (ninit || ret_next)
- {
- c = MouseReadByte (&km->iob, MOUSE_TIMEOUT);
- if (c == -1)
- break;
- /* look for ACK */
- if (c == 0xfa)
- {
- ninit--;
- if (ret_next)
- waiting = TRUE;
- }
- /* look for packet start -- not the response */
- else if ((c & 0x08) == 0x08)
- waiting = FALSE;
- else if (waiting)
- break;
+ while (ninit || ret_next) {
+ c = MouseReadByte(&km->iob, MOUSE_TIMEOUT);
+ if (c == -1)
+ break;
+ /* look for ACK */
+ if (c == 0xfa) {
+ ninit--;
+ if (ret_next)
+ waiting = TRUE;
+ }
+ /* look for packet start -- not the response */
+ else if ((c & 0x08) == 0x08)
+ waiting = FALSE;
+ else if (waiting)
+ break;
}
return c;
}
static Bool
-ps2Init (KdPointerInfo *pi)
+ps2Init(KdPointerInfo * pi)
{
- Kmouse *km = pi->driverPrivate;
- int skipping;
- Bool waiting;
- int id;
- unsigned char *init;
- int ninit;
+ Kmouse *km = pi->driverPrivate;
+ int skipping;
+ Bool waiting;
+ int id;
+ unsigned char *init;
+ int ninit;
/* Send Intellimouse initialization sequence */
- MouseWriteBytes (km->iob.fd, intelli_init, strlen ((char *) intelli_init), 100);
+ MouseWriteBytes(km->iob.fd, intelli_init, strlen((char *) intelli_init),
+ 100);
/*
* Send ID command
*/
- if (!MouseWriteByte (km->iob.fd, PSMC_SEND_DEV_ID, 100))
- return FALSE;
+ if (!MouseWriteByte(km->iob.fd, PSMC_SEND_DEV_ID, 100))
+ return FALSE;
skipping = 0;
waiting = FALSE;
- id = ps2SkipInit (pi, 0, TRUE);
+ id = ps2SkipInit(pi, 0, TRUE);
switch (id) {
case 3:
- init = wheel_3button_init;
- ninit = NINIT_IMPS2;
- km->prot = &imps2Prot;
- break;
+ init = wheel_3button_init;
+ ninit = NINIT_IMPS2;
+ km->prot = &imps2Prot;
+ break;
case 4:
- init = wheel_5button_init;
- ninit = NINIT_EXPS2;
- km->prot = &exps2Prot;
- break;
+ init = wheel_5button_init;
+ ninit = NINIT_EXPS2;
+ km->prot = &exps2Prot;
+ break;
default:
- init = ps2_init;
- ninit = NINIT_PS2;
- km->prot = &ps2Prot;
- break;
+ init = ps2_init;
+ ninit = NINIT_PS2;
+ km->prot = &ps2Prot;
+ break;
}
if (init)
- MouseWriteBytes (km->iob.fd, init, strlen ((char *) init), 100);
+ MouseWriteBytes(km->iob.fd, init, strlen((char *) init), 100);
/*
* Flush out the available data to eliminate responses to the
* initialization string. Make sure any partial event is
* skipped
*/
- (void) ps2SkipInit (pi, ninit, FALSE);
+ (void) ps2SkipInit(pi, ninit, FALSE);
return TRUE;
}
-static Bool busParse (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+busParse(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- int dx, dy;
- unsigned long flags;
+ Kmouse *km = pi->driverPrivate;
+ int dx, dy;
+ unsigned long flags;
flags = KD_MOUSE_DELTA;
dx = (signed char) ev[1];
dy = -(signed char) ev[2];
if ((ev[0] & 4) == 0)
- flags |= KD_BUTTON_1;
+ flags |= KD_BUTTON_1;
if ((ev[0] & 2) == 0)
- flags |= KD_BUTTON_2;
+ flags |= KD_BUTTON_2;
if ((ev[0] & 1) == 0)
- flags |= KD_BUTTON_3;
- if (!MouseReasonable (pi, flags, dx, dy))
- return FALSE;
+ flags |= KD_BUTTON_3;
+ if (!MouseReasonable(pi, flags, dx, dy))
+ return FALSE;
if (km->stage == MouseWorking)
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
return TRUE;
}
@@ -558,25 +548,26 @@ static const KmouseProt busProt = {
* Standard MS serial protocol, three bytes
*/
-static Bool msParse (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+msParse(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- int dx, dy;
- unsigned long flags;
+ Kmouse *km = pi->driverPrivate;
+ int dx, dy;
+ unsigned long flags;
flags = KD_MOUSE_DELTA;
if (ev[0] & 0x20)
- flags |= KD_BUTTON_1;
+ flags |= KD_BUTTON_1;
if (ev[0] & 0x10)
- flags |= KD_BUTTON_3;
+ flags |= KD_BUTTON_3;
- dx = (signed char)(((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
- dy = (signed char)(((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
- if (!MouseReasonable (pi, flags, dx, dy))
- return FALSE;
+ dx = (signed char) (((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
+ dy = (signed char) (((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
+ if (!MouseReasonable(pi, flags, dx, dy))
+ return FALSE;
if (km->stage == MouseWorking)
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
return TRUE;
}
@@ -597,70 +588,70 @@ static const KmouseProt msProt = {
* first byte of a synchronized protocol stream and see if it's got
* any bits turned on that can't occur in that fourth byte
*/
-static Bool logiComplete (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+logiComplete(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
+ Kmouse *km = pi->driverPrivate;
if ((ev[0] & 0x40) == 0x40)
- return ne == 3;
+ return ne == 3;
if (km->stage != MouseBroken && (ev[0] & ~0x23) == 0)
- return ne == 1;
+ return ne == 1;
return FALSE;
}
-static int logiValid (KdPointerInfo *pi, unsigned char *ev, int ne)
+static int
+logiValid(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- const KmouseProt *prot = km->prot;
- int i;
-
- for (i = 0; i < ne; i++)
- {
- if ((ev[i] & 0x40) == 0x40)
- break;
- if (km->stage != MouseBroken && (ev[i] & ~0x23) == 0)
- break;
+ Kmouse *km = pi->driverPrivate;
+ const KmouseProt *prot = km->prot;
+ int i;
+
+ for (i = 0; i < ne; i++) {
+ if ((ev[i] & 0x40) == 0x40)
+ break;
+ if (km->stage != MouseBroken && (ev[i] & ~0x23) == 0)
+ break;
}
if (i != 0)
- return i;
+ return i;
for (i = 1; i < ne; i++)
- if ((ev[i] & prot->dataMask) != prot->dataValid)
- return -1;
+ if ((ev[i] & prot->dataMask) != prot->dataValid)
+ return -1;
return 0;
}
-static Bool logiParse (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+logiParse(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- int dx, dy;
- unsigned long flags;
+ Kmouse *km = pi->driverPrivate;
+ int dx, dy;
+ unsigned long flags;
flags = KD_MOUSE_DELTA;
- if (ne == 3)
- {
- if (ev[0] & 0x20)
- flags |= KD_BUTTON_1;
- if (ev[0] & 0x10)
- flags |= KD_BUTTON_3;
+ if (ne == 3) {
+ if (ev[0] & 0x20)
+ flags |= KD_BUTTON_1;
+ if (ev[0] & 0x10)
+ flags |= KD_BUTTON_3;
- dx = (signed char)(((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
- dy = (signed char)(((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
- flags |= km->state & KD_BUTTON_2;
+ dx = (signed char) (((ev[0] & 0x03) << 6) | (ev[1] & 0x3F));
+ dy = (signed char) (((ev[0] & 0x0C) << 4) | (ev[2] & 0x3F));
+ flags |= km->state & KD_BUTTON_2;
}
- else
- {
- if (ev[0] & 0x20)
- flags |= KD_BUTTON_2;
- dx = 0;
- dy = 0;
- flags |= km->state & (KD_BUTTON_1|KD_BUTTON_3);
+ else {
+ if (ev[0] & 0x20)
+ flags |= KD_BUTTON_2;
+ dx = 0;
+ dy = 0;
+ flags |= km->state & (KD_BUTTON_1 | KD_BUTTON_3);
}
- if (!MouseReasonable (pi, flags, dx, dy))
- return FALSE;
+ if (!MouseReasonable(pi, flags, dx, dy))
+ return FALSE;
if (km->stage == MouseWorking)
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
return TRUE;
}
@@ -679,27 +670,28 @@ static const KmouseProt logiProt = {
/*
* Mouse systems protocol, 5 bytes
*/
-static Bool mscParse (KdPointerInfo *pi, unsigned char *ev, int ne)
+static Bool
+mscParse(KdPointerInfo * pi, unsigned char *ev, int ne)
{
- Kmouse *km = pi->driverPrivate;
- int dx, dy;
- unsigned long flags;
+ Kmouse *km = pi->driverPrivate;
+ int dx, dy;
+ unsigned long flags;
flags = KD_MOUSE_DELTA;
if (!(ev[0] & 0x4))
- flags |= KD_BUTTON_1;
+ flags |= KD_BUTTON_1;
if (!(ev[0] & 0x2))
- flags |= KD_BUTTON_2;
+ flags |= KD_BUTTON_2;
if (!(ev[0] & 0x1))
- flags |= KD_BUTTON_3;
- dx = (signed char)(ev[1]) + (signed char)(ev[3]);
- dy = - ((signed char)(ev[2]) + (signed char)(ev[4]));
+ flags |= KD_BUTTON_3;
+ dx = (signed char) (ev[1]) + (signed char) (ev[3]);
+ dy = -((signed char) (ev[2]) + (signed char) (ev[4]));
- if (!MouseReasonable (pi, flags, dx, dy))
- return FALSE;
+ if (!MouseReasonable(pi, flags, dx, dy))
+ return FALSE;
if (km->stage == MouseWorking)
- KdEnqueuePointerEvent (pi, flags, dx, dy, 0);
+ KdEnqueuePointerEvent(pi, flags, dx, dy, 0);
return TRUE;
}
@@ -726,25 +718,23 @@ static const KmouseProt *kmouseProts[] = {
#define NUM_PROT (sizeof (kmouseProts) / sizeof (kmouseProts[0]))
static void
-MouseInitProtocol (Kmouse *km)
+MouseInitProtocol(Kmouse * km)
{
- int ret;
- struct termios t;
-
- if (km->prot->tty)
- {
- ret = tcgetattr (km->iob.fd, &t);
-
- if (ret >= 0)
- {
- t.c_iflag = km->prot->c_iflag;
- t.c_oflag = km->prot->c_oflag;
- t.c_lflag = km->prot->c_lflag;
- t.c_cflag = km->prot->c_cflag;
- cfsetispeed (&t, km->prot->speed);
- cfsetospeed (&t, km->prot->speed);
- ret = tcsetattr (km->iob.fd, TCSANOW, &t);
- }
+ int ret;
+ struct termios t;
+
+ if (km->prot->tty) {
+ ret = tcgetattr(km->iob.fd, &t);
+
+ if (ret >= 0) {
+ t.c_iflag = km->prot->c_iflag;
+ t.c_oflag = km->prot->c_oflag;
+ t.c_lflag = km->prot->c_lflag;
+ t.c_cflag = km->prot->c_cflag;
+ cfsetispeed(&t, km->prot->speed);
+ cfsetospeed(&t, km->prot->speed);
+ ret = tcsetattr(km->iob.fd, TCSANOW, &t);
+ }
}
km->stage = MouseBroken;
km->valid = 0;
@@ -754,172 +744,156 @@ MouseInitProtocol (Kmouse *km)
}
static void
-MouseFirstProtocol (Kmouse *km, char *prot)
+MouseFirstProtocol(Kmouse * km, char *prot)
{
- if (prot)
- {
- for (km->i_prot = 0; km->i_prot < NUM_PROT; km->i_prot++)
- if (!strcmp (prot, kmouseProts[km->i_prot]->name))
- break;
- if (km->i_prot == NUM_PROT)
- {
- int i;
- ErrorF ("Unknown mouse protocol \"%s\". Pick one of:", prot);
- for (i = 0; i < NUM_PROT; i++)
- ErrorF (" %s", kmouseProts[i]->name);
- ErrorF ("\n");
- }
- else
- {
- km->prot = kmouseProts[km->i_prot];
- if (km->tty && !km->prot->tty)
- ErrorF ("Mouse device is serial port, protocol %s is not serial protocol\n",
- prot);
- else if (!km->tty && km->prot->tty)
- ErrorF ("Mouse device is not serial port, protocol %s is serial protocol\n",
- prot);
- }
+ if (prot) {
+ for (km->i_prot = 0; km->i_prot < NUM_PROT; km->i_prot++)
+ if (!strcmp(prot, kmouseProts[km->i_prot]->name))
+ break;
+ if (km->i_prot == NUM_PROT) {
+ int i;
+
+ ErrorF("Unknown mouse protocol \"%s\". Pick one of:", prot);
+ for (i = 0; i < NUM_PROT; i++)
+ ErrorF(" %s", kmouseProts[i]->name);
+ ErrorF("\n");
+ }
+ else {
+ km->prot = kmouseProts[km->i_prot];
+ if (km->tty && !km->prot->tty)
+ ErrorF
+ ("Mouse device is serial port, protocol %s is not serial protocol\n",
+ prot);
+ else if (!km->tty && km->prot->tty)
+ ErrorF
+ ("Mouse device is not serial port, protocol %s is serial protocol\n",
+ prot);
+ }
}
- if (!km->prot)
- {
- for (km->i_prot = 0; kmouseProts[km->i_prot]->tty != km->tty; km->i_prot++)
- ;
- km->prot = kmouseProts[km->i_prot];
+ if (!km->prot) {
+ for (km->i_prot = 0; kmouseProts[km->i_prot]->tty != km->tty;
+ km->i_prot++);
+ km->prot = kmouseProts[km->i_prot];
}
- MouseInitProtocol (km);
+ MouseInitProtocol(km);
}
static void
-MouseNextProtocol (Kmouse *km)
+MouseNextProtocol(Kmouse * km)
{
- do
- {
- if (!km->prot)
- km->i_prot = 0;
- else
- if (++km->i_prot == NUM_PROT) km->i_prot = 0;
- km->prot = kmouseProts[km->i_prot];
+ do {
+ if (!km->prot)
+ km->i_prot = 0;
+ else if (++km->i_prot == NUM_PROT)
+ km->i_prot = 0;
+ km->prot = kmouseProts[km->i_prot];
} while (km->prot->tty != km->tty);
- MouseInitProtocol (km);
- ErrorF ("Switching to mouse protocol \"%s\"\n", km->prot->name);
+ MouseInitProtocol(km);
+ ErrorF("Switching to mouse protocol \"%s\"\n", km->prot->name);
}
static void
-MouseRead (int mousePort, void *closure)
+MouseRead(int mousePort, void *closure)
{
- KdPointerInfo *pi = closure;
- Kmouse *km = pi->driverPrivate;
- unsigned char event[MAX_MOUSE];
- int ne;
- int c;
- int i;
- int timeout;
+ KdPointerInfo *pi = closure;
+ Kmouse *km = pi->driverPrivate;
+ unsigned char event[MAX_MOUSE];
+ int ne;
+ int c;
+ int i;
+ int timeout;
timeout = 0;
ne = 0;
- for(;;)
- {
- c = MouseReadByte (&km->iob, timeout);
- if (c == -1)
- {
- if (ne)
- {
- km->invalid += ne + km->tested;
- km->valid = 0;
- km->tested = 0;
- km->stage = MouseBroken;
- }
- break;
- }
- event[ne++] = c;
- i = (*km->prot->Valid) (pi, event, ne);
- if (i != 0)
- {
+ for (;;) {
+ c = MouseReadByte(&km->iob, timeout);
+ if (c == -1) {
+ if (ne) {
+ km->invalid += ne + km->tested;
+ km->valid = 0;
+ km->tested = 0;
+ km->stage = MouseBroken;
+ }
+ break;
+ }
+ event[ne++] = c;
+ i = (*km->prot->Valid) (pi, event, ne);
+ if (i != 0) {
#ifdef DEBUG
- ErrorF ("Mouse protocol %s broken %d of %d bytes bad\n",
- km->prot->name, i > 0 ? i : ne, ne);
+ ErrorF("Mouse protocol %s broken %d of %d bytes bad\n",
+ km->prot->name, i > 0 ? i : ne, ne);
#endif
- if (i > 0 && i < ne)
- {
- ne -= i;
- memmove (event, event + i, ne);
- }
- else
- {
- i = ne;
- ne = 0;
- }
- km->invalid += i + km->tested;
- km->valid = 0;
- km->tested = 0;
- if (km->stage == MouseWorking)
- km->i_prot--;
- km->stage = MouseBroken;
- if (km->invalid > MAX_SKIP)
- {
- MouseNextProtocol (km);
- ne = 0;
- }
- timeout = 0;
- }
- else
- {
- if ((*km->prot->Complete) (pi, event, ne))
- {
- if ((*km->prot->Parse) (pi, event, ne))
- {
- switch (km->stage)
- {
- case MouseBroken:
+ if (i > 0 && i < ne) {
+ ne -= i;
+ memmove(event, event + i, ne);
+ }
+ else {
+ i = ne;
+ ne = 0;
+ }
+ km->invalid += i + km->tested;
+ km->valid = 0;
+ km->tested = 0;
+ if (km->stage == MouseWorking)
+ km->i_prot--;
+ km->stage = MouseBroken;
+ if (km->invalid > MAX_SKIP) {
+ MouseNextProtocol(km);
+ ne = 0;
+ }
+ timeout = 0;
+ }
+ else {
+ if ((*km->prot->Complete) (pi, event, ne)) {
+ if ((*km->prot->Parse) (pi, event, ne)) {
+ switch (km->stage) {
+ case MouseBroken:
#ifdef DEBUG
- ErrorF ("Mouse protocol %s seems OK\n",
- km->prot->name);
+ ErrorF("Mouse protocol %s seems OK\n", km->prot->name);
#endif
- /* do not zero invalid to accumulate invalid bytes */
- km->valid = 0;
- km->tested = 0;
- km->stage = MouseTesting;
- /* fall through ... */
- case MouseTesting:
- km->valid++;
- km->tested += ne;
- if (km->valid > MAX_VALID)
- {
+ /* do not zero invalid to accumulate invalid bytes */
+ km->valid = 0;
+ km->tested = 0;
+ km->stage = MouseTesting;
+ /* fall through ... */
+ case MouseTesting:
+ km->valid++;
+ km->tested += ne;
+ if (km->valid > MAX_VALID) {
#ifdef DEBUG
- ErrorF ("Mouse protocol %s working\n",
- km->prot->name);
+ ErrorF("Mouse protocol %s working\n",
+ km->prot->name);
#endif
- km->stage = MouseWorking;
- km->invalid = 0;
- km->tested = 0;
- km->valid = 0;
- if (km->prot->Init && !(*km->prot->Init) (pi))
- km->stage = MouseBroken;
- }
- break;
- case MouseWorking:
- break;
- }
- }
- else
- {
- km->invalid += ne + km->tested;
- km->valid = 0;
- km->tested = 0;
- km->stage = MouseBroken;
- }
- ne = 0;
- timeout = 0;
- }
- else
- timeout = MOUSE_TIMEOUT;
- }
+ km->stage = MouseWorking;
+ km->invalid = 0;
+ km->tested = 0;
+ km->valid = 0;
+ if (km->prot->Init && !(*km->prot->Init) (pi))
+ km->stage = MouseBroken;
+ }
+ break;
+ case MouseWorking:
+ break;
+ }
+ }
+ else {
+ km->invalid += ne + km->tested;
+ km->valid = 0;
+ km->tested = 0;
+ km->stage = MouseBroken;
+ }
+ ne = 0;
+ timeout = 0;
+ }
+ else
+ timeout = MOUSE_TIMEOUT;
+ }
}
}
int MouseInputType;
-char *kdefaultMouse[] = {
+char *kdefaultMouse[] = {
"/dev/input/mice",
"/dev/mouse",
"/dev/psaux",
@@ -931,26 +905,26 @@ char *kdefaultMouse[] = {
#define NUM_DEFAULT_MOUSE (sizeof (kdefaultMouse) / sizeof (kdefaultMouse[0]))
static Status
-MouseInit (KdPointerInfo *pi)
+MouseInit(KdPointerInfo * pi)
{
- int i;
- int fd;
- Kmouse *km;
+ int i;
+ int fd;
+ Kmouse *km;
if (!pi)
return BadImplementation;
if (!pi->path || strcmp(pi->path, "auto") == 0) {
for (i = 0; i < NUM_DEFAULT_MOUSE; i++) {
- fd = open (kdefaultMouse[i], 2);
+ fd = open(kdefaultMouse[i], 2);
if (fd >= 0) {
- pi->path = strdup (kdefaultMouse[i]);
+ pi->path = strdup(kdefaultMouse[i]);
break;
}
}
}
else {
- fd = open (pi->path, 2);
+ fd = open(pi->path, 2);
}
if (fd < 0)
@@ -958,21 +932,21 @@ MouseInit (KdPointerInfo *pi)
close(fd);
- km = (Kmouse *) malloc(sizeof (Kmouse));
+ km = (Kmouse *) malloc(sizeof(Kmouse));
if (km) {
km->iob.avail = km->iob.used = 0;
MouseFirstProtocol(km, pi->protocol ? pi->protocol : "exps/2");
/* MouseFirstProtocol sets state to MouseBroken for later protocol
* checks. Skip these checks if a protocol was supplied */
if (pi->protocol)
- km->state = MouseWorking;
+ km->state = MouseWorking;
km->i_prot = 0;
- km->tty = isatty (fd);
+ km->tty = isatty(fd);
km->iob.fd = -1;
pi->driverPrivate = km;
}
else {
- close (fd);
+ close(fd);
return BadAlloc;
}
@@ -980,7 +954,7 @@ MouseInit (KdPointerInfo *pi)
}
static Status
-MouseEnable (KdPointerInfo *pi)
+MouseEnable(KdPointerInfo * pi)
{
Kmouse *km;
@@ -993,8 +967,7 @@ MouseEnable (KdPointerInfo *pi)
if (km->iob.fd < 0)
return BadMatch;
- if (!KdRegisterFd (km->iob.fd, MouseRead, pi))
- {
+ if (!KdRegisterFd(km->iob.fd, MouseRead, pi)) {
close(km->iob.fd);
return BadAlloc;
}
@@ -1003,18 +976,19 @@ MouseEnable (KdPointerInfo *pi)
}
static void
-MouseDisable (KdPointerInfo *pi)
+MouseDisable(KdPointerInfo * pi)
{
Kmouse *km;
+
if (!pi || !pi->driverPrivate)
return;
km = pi->driverPrivate;
- KdUnregisterFd (pi, km->iob.fd, TRUE);
+ KdUnregisterFd(pi, km->iob.fd, TRUE);
}
static void
-MouseFini (KdPointerInfo *pi)
+MouseFini(KdPointerInfo * pi)
{
free(pi->driverPrivate);
pi->driverPrivate = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 03:22:34 +0000