15d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner/* 25d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * QEMU Microsoft serial mouse emulation 35d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * 45d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * Copyright (c) 2008 Lubomir Rintel 55d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * 65d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * Permission is hereby granted, free of charge, to any person obtaining a copy 75d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * of this software and associated documentation files (the "Software"), to deal 85d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * in the Software without restriction, including without limitation the rights 95d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 105d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * copies of the Software, and to permit persons to whom the Software is 115d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * furnished to do so, subject to the following conditions: 125d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * 135d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * The above copyright notice and this permission notice shall be included in 145d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * all copies or substantial portions of the Software. 155d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * 165d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 225d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * THE SOFTWARE. 235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner */ 245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#include <stdlib.h> 25e1e03df288d5a44bfbffbd86588395c7cbbc27dfDavid 'Digit' Turner#include "qemu-common.h" 26e7216d82dbaa19892ad62b07402d512234559a6eDavid 'Digit' Turner#include "sysemu/char.h" 271c31e3e43ce4cca85a707dfff631e5e102fdecedDavid 'Digit' Turner#include "ui/console.h" 2858c6be2b2490a5afc3d40c4865548215dfdf7e72David 'Digit' Turner#include "hw/msmouse.h" 295d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MSMOUSE_LO6(n) ((n) & 0x3f) 315d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6) 325d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 335d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic void msmouse_event(void *opaque, 345d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int dx, int dy, int dz, int buttons_state) 355d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 365d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner CharDriverState *chr = (CharDriverState *)opaque; 375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner unsigned char bytes[4] = { 0x40, 0x00, 0x00, 0x00 }; 395d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* Movement deltas */ 415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[0] |= (MSMOUSE_HI2(dy) << 2) | MSMOUSE_HI2(dx); 425d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[1] |= MSMOUSE_LO6(dx); 435d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[2] |= MSMOUSE_LO6(dy); 445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 455d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* Buttons */ 465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[0] |= (buttons_state & 0x01 ? 0x20 : 0x00); 475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[0] |= (buttons_state & 0x02 ? 0x10 : 0x00); 485d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner bytes[3] |= (buttons_state & 0x04 ? 0x20 : 0x00); 495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 505d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* We always send the packet of, so that we do not have to keep track 515d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner of previous state of the middle button. This can potentially confuse 525d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner some very old drivers for two button mice though. */ 535d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_chr_read(chr, bytes, 4); 545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 555d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int len) 575d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 585d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner /* Ignore writes to mouse port */ 595d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner return len; 605d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 615d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 625d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstatic void msmouse_chr_close (struct CharDriverState *chr) 635d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 64aa8236dc1b1ea300ab18716db5b8fab42aca3ca7David 'Digit' Turner g_free (chr); 655d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 665d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 673b2846ad9f156e62574a0abc5ec489f8f13f1121David 'Digit' TurnerCharDriverState *qemu_chr_open_msmouse(QemuOpts *opts) 685d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner{ 695d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner CharDriverState *chr; 705d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 71aa8236dc1b1ea300ab18716db5b8fab42aca3ca7David 'Digit' Turner chr = g_malloc0(sizeof(CharDriverState)); 725d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner chr->chr_write = msmouse_chr_write; 735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner chr->chr_close = msmouse_chr_close; 745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_add_mouse_event_handler(msmouse_event, chr, 0, "QEMU Microsoft Mouse"); 765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner return chr; 785d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} 79