diff options
Diffstat (limited to 'xserver/hw/kdrive/linux/ps2.c')
| -rw-r--r-- | xserver/hw/kdrive/linux/ps2.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/xserver/hw/kdrive/linux/ps2.c b/xserver/hw/kdrive/linux/ps2.c deleted file mode 100644 index 4fec02408..000000000 --- a/xserver/hw/kdrive/linux/ps2.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright © 1999 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_CONFIG_H -#include <kdrive-config.h> -#endif -#include <X11/X.h> -#include <X11/Xproto.h> -#include <xserver_poll.h> -#include "inputstr.h" -#include "scrnintstr.h" -#include "kdrive.h" - -static int -Ps2ReadBytes(int fd, char *buf, int len, int min) -{ - int n, tot; - struct pollfd poll_fd; - - tot = 0; - poll_fd.fd = fd; - poll_fd.events = POLLIN; - while (len) { - n = read(fd, buf, len); - if (n > 0) { - tot += n; - buf += n; - len -= n; - } - if (tot % min == 0) - break; - n = xserver_poll(&poll_fd, 1, 100); - if (n <= 0) - break; - } - return tot; -} - -const char *Ps2Names[] = { - "/dev/psaux", -/* "/dev/mouse", */ - "/dev/input/mice", -}; - -#define NUM_PS2_NAMES (sizeof (Ps2Names) / sizeof (Ps2Names[0])) - -static void -Ps2Read(int ps2Port, void *closure) -{ - unsigned char buf[3 * 200]; - unsigned char *b; - int n; - int dx, dy; - unsigned long flags; - unsigned long left_button = KD_BUTTON_1; - unsigned long right_button = KD_BUTTON_3; - -#undef SWAP_USB -#ifdef SWAP_USB - if (id == 2) { - left_button = KD_BUTTON_3; - right_button = KD_BUTTON_1; - } -#endif - while ((n = Ps2ReadBytes(ps2Port, (char *) buf, sizeof(buf), 3)) > 0) { - b = buf; - while (n >= 3) { - flags = KD_MOUSE_DELTA; - if (b[0] & 4) - flags |= KD_BUTTON_2; - if (b[0] & 2) - flags |= right_button; - if (b[0] & 1) - flags |= left_button; - - dx = b[1]; - if (b[0] & 0x10) - dx -= 256; - dy = b[2]; - if (b[0] & 0x20) - dy -= 256; - dy = -dy; - n -= 3; - b += 3; - KdEnqueuePointerEvent(closure, flags, dx, dy, 0); - } - } -} - -static Status -Ps2Init(KdPointerInfo * pi) -{ - int ps2Port, i; - - if (!pi->path) { - for (i = 0; i < NUM_PS2_NAMES; i++) { - ps2Port = open(Ps2Names[i], 0); - if (ps2Port >= 0) { - pi->path = strdup(Ps2Names[i]); - break; - } - } - } - else { - ps2Port = open(pi->path, 0); - } - - if (ps2Port < 0) - return BadMatch; - - close(ps2Port); - if (!pi->name) - pi->name = strdup("PS/2 Mouse"); - - return Success; -} - -static Status -Ps2Enable(KdPointerInfo * pi) -{ - int fd; - - if (!pi) - return BadImplementation; - - fd = open(pi->path, 0); - if (fd < 0) - return BadMatch; - - if (!KdRegisterFd(fd, Ps2Read, pi)) { - close(fd); - return BadAlloc; - } - - pi->driverPrivate = (void *) (intptr_t) fd; - - return Success; -} - -static void -Ps2Disable(KdPointerInfo * pi) -{ - KdUnregisterFd(pi, (int) (intptr_t) pi->driverPrivate, TRUE); -} - -static void -Ps2Fini(KdPointerInfo * pi) -{ -} - -KdPointerDriver Ps2MouseDriver = { - "ps2", - Ps2Init, - Ps2Enable, - Ps2Disable, - Ps2Fini, - NULL, -}; |