29 #include "chardev/char-serial.h"
35 #define MSMOUSE_HI2(n)  (((n) & 0xc0) >> 6)
38 /* Serial PnP for 6 bit devices/mice sends all ASCII chars - 0x20 */
39 #define M(c) (c - 0x20)
62     int axis[INPUT_AXIS__MAX];  member
69 #define TYPE_CHARDEV_MSMOUSE "chardev-msmouse"
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()
87         avail -= size;  in DECLARE_INSTANCE_CHECKER()
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()
120         /* queue full -> drop event */  in msmouse_queue_event()
132     if (!MSMOUSE_PWR(mouse->tiocm)) {  in msmouse_input_event()
136     switch (evt->type) {  in msmouse_input_event()
138         move = evt->u.rel.data;  in msmouse_input_event()
139         mouse->axis[move->axis] += move->value;  in msmouse_input_event()
143         btn = evt->u.btn.data;  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()
160     if (!MSMOUSE_PWR(mouse->tiocm)) {  in msmouse_input_sync()
188                              M('6'), M('7'), M('8'), M('9'), M('A'), M('B'),  in msmouse_ioctl()
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()
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()
241         return -ENOTSUP;  in msmouse_ioctl()
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()
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()
274     cc->open = msmouse_chr_open;  in char_msmouse_class_init()
275     cc->chr_write = msmouse_chr_write;  in char_msmouse_class_init()
276     cc->chr_accept_input = msmouse_chr_accept_input;  in char_msmouse_class_init()
277     cc->chr_ioctl = msmouse_ioctl;  in char_msmouse_class_init()