2  * QEMU Microsoft serial mouse emulation
43 /* Mouse ID: Send "M3" cause we behave like a 3 button logitech mouse. */
75     MouseChardev *mouse = MOUSE_CHARDEV(chr);  in DECLARE_INSTANCE_CHECKER()  local
79     avail = fifo8_num_used(&mouse->outbuf);  in DECLARE_INSTANCE_CHECKER()
84         buf = fifo8_pop_bufptr(&mouse->outbuf, MIN(len, avail), &size);  in DECLARE_INSTANCE_CHECKER()
91 static void msmouse_queue_event(MouseChardev *mouse)  in msmouse_queue_event()  argument
96     dx = mouse->axis[INPUT_AXIS_X];  in msmouse_queue_event()
97     mouse->axis[INPUT_AXIS_X] = 0;  in msmouse_queue_event()
99     dy = mouse->axis[INPUT_AXIS_Y];  in msmouse_queue_event()
100     mouse->axis[INPUT_AXIS_Y] = 0;  in msmouse_queue_event()
108     bytes[0] |= (mouse->btns[INPUT_BUTTON_LEFT]   ? 0x20 : 0x00);  in msmouse_queue_event()
109     bytes[0] |= (mouse->btns[INPUT_BUTTON_RIGHT]  ? 0x10 : 0x00);  in msmouse_queue_event()
110     if (mouse->btns[INPUT_BUTTON_MIDDLE] ||  in msmouse_queue_event()
111         mouse->btnc[INPUT_BUTTON_MIDDLE]) {  in msmouse_queue_event()
112         bytes[3] |= (mouse->btns[INPUT_BUTTON_MIDDLE] ? 0x20 : 0x00);  in msmouse_queue_event()
113         mouse->btnc[INPUT_BUTTON_MIDDLE] = false;  in msmouse_queue_event()
117     if (fifo8_num_free(&mouse->outbuf) >= count) {  in msmouse_queue_event()
118         fifo8_push_all(&mouse->outbuf, bytes, count);  in msmouse_queue_event()
127     MouseChardev *mouse = MOUSE_CHARDEV(dev);  in msmouse_input_event()  local
131     /* Ignore events if serial mouse powered down. */  in msmouse_input_event()
132     if (!MSMOUSE_PWR(mouse->tiocm)) {  in msmouse_input_event()
139         mouse->axis[move->axis] += move->value;  in msmouse_input_event()
144         mouse->btns[btn->button] = btn->down;  in msmouse_input_event()
145         mouse->btnc[btn->button] = true;  in msmouse_input_event()
156     MouseChardev *mouse = MOUSE_CHARDEV(dev);  in msmouse_input_sync()  local
159     /* Ignore events if serial mouse powered down. */  in msmouse_input_sync()
160     if (!MSMOUSE_PWR(mouse->tiocm)) {  in msmouse_input_sync()
164     msmouse_queue_event(mouse);  in msmouse_input_sync()
170     /* Ignore writes to mouse port */  in msmouse_chr_write()
175     .name  = "QEMU Microsoft Mouse",
183     MouseChardev *mouse = MOUSE_CHARDEV(chr);  in msmouse_ioctl()  local
193         c = mouse->tiocm;  in msmouse_ioctl()
194         mouse->tiocm = *(int *)arg;  in msmouse_ioctl()
195         if (MSMOUSE_PWR(mouse->tiocm)) {  in msmouse_ioctl()
201                 fifo8_push_all(&mouse->outbuf, mouse_id, sizeof(mouse_id));  in msmouse_ioctl()
203                 fifo8_push_all(&mouse->outbuf, pnp_data, sizeof(pnp_data));  in msmouse_ioctl()
221                 fifo8_push_all(&mouse->outbuf, bytes, i);  in msmouse_ioctl()
228          * Reset mouse buffers on power down.  in msmouse_ioctl()
229          * Mouse won't send anything without power.  in msmouse_ioctl()
231         fifo8_reset(&mouse->outbuf);  in msmouse_ioctl()
232         memset(mouse->axis, 0, sizeof(mouse->axis));  in msmouse_ioctl()
233         memset(mouse->btns, false, sizeof(mouse->btns));  in msmouse_ioctl()
234         memset(mouse->btnc, false, sizeof(mouse->btns));  in msmouse_ioctl()
238         *targ = mouse->tiocm;  in msmouse_ioctl()
248     MouseChardev *mouse = MOUSE_CHARDEV(obj);  in char_msmouse_finalize()  local
250     if (mouse->hs) {  in char_msmouse_finalize()
251         qemu_input_handler_unregister(mouse->hs);  in char_msmouse_finalize()
253     fifo8_destroy(&mouse->outbuf);  in char_msmouse_finalize()
261     MouseChardev *mouse = MOUSE_CHARDEV(chr);  in msmouse_chr_open()  local
264     mouse->hs = qemu_input_handler_register((DeviceState *)mouse,  in msmouse_chr_open()
266     mouse->tiocm = 0;  in msmouse_chr_open()
267     fifo8_create(&mouse->outbuf, MSMOUSE_BUF_SZ);  in msmouse_chr_open()