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authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-05-29 12:39:42 +0400
committerMarc-André Lureau <marcandre.lureau@redhat.com>2017-06-02 11:33:53 +0400
commit6b10e573d15ef82dbc5c5b3726028e6642e134f6 (patch)
treecb48ec34656eb50c2ec8fcdafc1b0652124caf31 /backends/msmouse.c
parent1ce2610c106d925387669b3133fc18ea986f0476 (diff)
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char: move char devices to chardev/
Suggested by Paolo Bonzini during series review. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'backends/msmouse.c')
-rw-r--r--backends/msmouse.c190
1 files changed, 0 insertions, 190 deletions
diff --git a/backends/msmouse.c b/backends/msmouse.c
deleted file mode 100644
index 0ffd137..0000000
--- a/backends/msmouse.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * QEMU Microsoft serial mouse emulation
- *
- * Copyright (c) 2008 Lubomir Rintel
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "chardev/char.h"
-#include "ui/console.h"
-#include "ui/input.h"
-
-#define MSMOUSE_LO6(n) ((n) & 0x3f)
-#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6)
-
-typedef struct {
- Chardev parent;
-
- QemuInputHandlerState *hs;
- int axis[INPUT_AXIS__MAX];
- bool btns[INPUT_BUTTON__MAX];
- bool btnc[INPUT_BUTTON__MAX];
- uint8_t outbuf[32];
- int outlen;
-} MouseChardev;
-
-#define TYPE_CHARDEV_MSMOUSE "chardev-msmouse"
-#define MOUSE_CHARDEV(obj) \
- OBJECT_CHECK(MouseChardev, (obj), TYPE_CHARDEV_MSMOUSE)
-
-static void msmouse_chr_accept_input(Chardev *chr)
-{
- MouseChardev *mouse = MOUSE_CHARDEV(chr);
- int len;
-
- len = qemu_chr_be_can_write(chr);
- if (len > mouse->outlen) {
- len = mouse->outlen;
- }
- if (!len) {
- return;
- }
-
- qemu_chr_be_write(chr, mouse->outbuf, len);
- mouse->outlen -= len;
- if (mouse->outlen) {
- memmove(mouse->outbuf, mouse->outbuf + len, mouse->outlen);
- }
-}
-
-static void msmouse_queue_event(MouseChardev *mouse)
-{
- unsigned char bytes[4] = { 0x40, 0x00, 0x00, 0x00 };
- int dx, dy, count = 3;
-
- dx = mouse->axis[INPUT_AXIS_X];
- mouse->axis[INPUT_AXIS_X] = 0;
-
- dy = mouse->axis[INPUT_AXIS_Y];
- mouse->axis[INPUT_AXIS_Y] = 0;
-
- /* Movement deltas */
- bytes[0] |= (MSMOUSE_HI2(dy) << 2) | MSMOUSE_HI2(dx);
- bytes[1] |= MSMOUSE_LO6(dx);
- bytes[2] |= MSMOUSE_LO6(dy);
-
- /* Buttons */
- bytes[0] |= (mouse->btns[INPUT_BUTTON_LEFT] ? 0x20 : 0x00);
- bytes[0] |= (mouse->btns[INPUT_BUTTON_RIGHT] ? 0x10 : 0x00);
- if (mouse->btns[INPUT_BUTTON_MIDDLE] ||
- mouse->btnc[INPUT_BUTTON_MIDDLE]) {
- bytes[3] |= (mouse->btns[INPUT_BUTTON_MIDDLE] ? 0x20 : 0x00);
- mouse->btnc[INPUT_BUTTON_MIDDLE] = false;
- count = 4;
- }
-
- if (mouse->outlen <= sizeof(mouse->outbuf) - count) {
- memcpy(mouse->outbuf + mouse->outlen, bytes, count);
- mouse->outlen += count;
- } else {
- /* queue full -> drop event */
- }
-}
-
-static void msmouse_input_event(DeviceState *dev, QemuConsole *src,
- InputEvent *evt)
-{
- MouseChardev *mouse = MOUSE_CHARDEV(dev);
- InputMoveEvent *move;
- InputBtnEvent *btn;
-
- switch (evt->type) {
- case INPUT_EVENT_KIND_REL:
- move = evt->u.rel.data;
- mouse->axis[move->axis] += move->value;
- break;
-
- case INPUT_EVENT_KIND_BTN:
- btn = evt->u.btn.data;
- mouse->btns[btn->button] = btn->down;
- mouse->btnc[btn->button] = true;
- break;
-
- default:
- /* keep gcc happy */
- break;
- }
-}
-
-static void msmouse_input_sync(DeviceState *dev)
-{
- MouseChardev *mouse = MOUSE_CHARDEV(dev);
- Chardev *chr = CHARDEV(dev);
-
- msmouse_queue_event(mouse);
- msmouse_chr_accept_input(chr);
-}
-
-static int msmouse_chr_write(struct Chardev *s, const uint8_t *buf, int len)
-{
- /* Ignore writes to mouse port */
- return len;
-}
-
-static void char_msmouse_finalize(Object *obj)
-{
- MouseChardev *mouse = MOUSE_CHARDEV(obj);
-
- qemu_input_handler_unregister(mouse->hs);
-}
-
-static QemuInputHandler msmouse_handler = {
- .name = "QEMU Microsoft Mouse",
- .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
- .event = msmouse_input_event,
- .sync = msmouse_input_sync,
-};
-
-static void msmouse_chr_open(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- MouseChardev *mouse = MOUSE_CHARDEV(chr);
-
- *be_opened = false;
- mouse->hs = qemu_input_handler_register((DeviceState *)mouse,
- &msmouse_handler);
-}
-
-static void char_msmouse_class_init(ObjectClass *oc, void *data)
-{
- ChardevClass *cc = CHARDEV_CLASS(oc);
-
- cc->open = msmouse_chr_open;
- cc->chr_write = msmouse_chr_write;
- cc->chr_accept_input = msmouse_chr_accept_input;
-}
-
-static const TypeInfo char_msmouse_type_info = {
- .name = TYPE_CHARDEV_MSMOUSE,
- .parent = TYPE_CHARDEV,
- .instance_size = sizeof(MouseChardev),
- .instance_finalize = char_msmouse_finalize,
- .class_init = char_msmouse_class_init,
-};
-
-static void register_types(void)
-{
- type_register_static(&char_msmouse_type_info);
-}
-
-type_init(register_types);