| 0,0 → 1,116 |
|---|
| /* |
| * Copyright (C) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - 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. |
| * - 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 <ipc/ipc.h> |
| #include <async.h> |
| #include <kbd.h> |
| #include <keys.h> |
| |
| #define i8042_MOUSE_DATA 0x20 |
| |
| #define BUFSIZE 3 |
| |
| typedef struct { |
| union { |
| unsigned char data[BUFSIZE]; |
| struct { |
| unsigned leftbtn : 1; |
| unsigned rightbtn : 1; |
| unsigned middlebtn : 1; |
| unsigned isone : 1; /* Always one */ |
| unsigned xsign : 1; |
| unsigned ysign : 1; |
| unsigned xovfl : 1; |
| unsigned yovfl : 1; |
| unsigned char x; |
| unsigned char y; |
| } val; |
| }u; |
| }ps2packet_t; |
| |
| static ps2packet_t buf; |
| static int bufpos = 0; |
| static int leftbtn = 0; |
| static int rightbtn = 0; |
| static int middlebtn = 0; |
| |
| /** Convert 9-bit 2-complement signed number to integer */ |
| static int bit9toint(int sign, unsigned char data) |
| { |
| int tmp; |
| |
| if (!sign) |
| return data; |
| |
| tmp = ((unsigned char)~data) + 1; |
| return -tmp; |
| } |
| |
| /** Process mouse data |
| * |
| * @return True if mouse command was recognized and processed |
| */ |
| int mouse_arch_process(int phoneid, ipc_call_t *call) |
| { |
| int status = IPC_GET_ARG1(*call); |
| int data = IPC_GET_ARG2(*call); |
| int x,y; |
| |
| if (!(status & i8042_MOUSE_DATA)) |
| return 0; |
| |
| /* Check that we have not lost synchronization */ |
| if (bufpos == 0 && !(data & 0x8)) |
| return 1; /* Synchro lost, ignore byte */ |
| |
| buf.u.data[bufpos++] = data; |
| if (bufpos == BUFSIZE) { |
| bufpos = 0; |
| if (phoneid != -1) { |
| if (buf.u.val.leftbtn ^ leftbtn) { |
| leftbtn = buf.u.val.leftbtn; |
| async_msg(phoneid, KBD_MS_LEFT, leftbtn); |
| } |
| if (buf.u.val.rightbtn & rightbtn) { |
| rightbtn = buf.u.val.middlebtn; |
| async_msg(phoneid, KBD_MS_RIGHT, rightbtn); |
| } |
| if (buf.u.val.rightbtn & rightbtn) { |
| middlebtn = buf.u.val.middlebtn; |
| async_msg(phoneid, KBD_MS_MIDDLE, middlebtn); |
| } |
| x = bit9toint(buf.u.val.xsign, buf.u.val.x); |
| y = bit9toint(buf.u.val.ysign, buf.u.val.y); |
| if (x || y) |
| async_msg_2(phoneid, KBD_MS_MOVE, (ipcarg_t)x, (ipcarg_t)(-y)); |
| } |
| } |
| |
| |
| return 1; |
| } |