1 // SPDX-License-Identifier: GPL-2.0-only
64  * struct vmmouse_data - private data structure for the vmmouse driver
77  * vmmouse_report_button - report button state on the correct input device
83  * @code:     Button code
84  * @value:    Button value
86  * Report @value and @code on @pref_dev, unless the button is already
96 	if (test_bit(code, abs_dev->key))  in vmmouse_report_button()
98 	else if (test_bit(code, rel_dev->key))  in vmmouse_report_button()
105  * vmmouse_report_events - process events on the vmmouse communications channel
113  * host- or synchronization error, the function returns PSMOUSE_BAD_DATA in
118 	struct input_dev *rel_dev = psmouse->dev;  in vmmouse_report_events()
119 	struct vmmouse_data *priv = psmouse->private;  in vmmouse_report_events()
120 	struct input_dev *abs_dev = priv->abs_dev;  in vmmouse_report_events()
126 	while (count--) {  in vmmouse_report_events()
152 		 * And report what we've got. Prefer to report button  in vmmouse_report_events()
161 			input_report_rel(rel_dev, REL_Y, -(s32)y);  in vmmouse_report_events()
169 		input_report_rel(rel_dev, REL_WHEEL, -(s8)((u8) z));  in vmmouse_report_events()
188  * vmmouse_process_byte - process data on the ps/2 channel
199 	unsigned char *packet = psmouse->packet;  in vmmouse_process_byte()
201 	switch (psmouse->pktcnt) {  in vmmouse_process_byte()
215  * vmmouse_disable - Disable vmmouse
233  * vmmouse_enable - Enable vmmouse and request absolute mode.
239  * Returns 0 on success, -ENODEV on failure.
256 		psmouse_dbg(psmouse, "empty flags - assuming no device\n");  in vmmouse_enable()
257 		return -ENXIO;  in vmmouse_enable()
266 		return -ENXIO;  in vmmouse_enable()
290  * vmmouse_check_hypervisor - Check if we're running on a supported hypervisor
304  * vmmouse_detect - Probe whether vmmouse is available
318 		return -ENXIO;  in vmmouse_detect()
325 		return -ENXIO;  in vmmouse_detect()
328 		psmouse->vendor = VMMOUSE_VENDOR;  in vmmouse_detect()
329 		psmouse->name = VMMOUSE_NAME;  in vmmouse_detect()
330 		psmouse->model = version;  in vmmouse_detect()
337  * vmmouse_reset - Disable vmmouse and reset
341  * Tries to disable vmmouse mode before enter suspend.
350  * vmmouse_disconnect - Take down vmmouse driver
358 	struct vmmouse_data *priv = psmouse->private;  in vmmouse_disconnect()
362 	input_unregister_device(priv->abs_dev);  in vmmouse_disconnect()
367  * vmmouse_reconnect - Reset the ps/2 - and vmmouse connections
372  * -1 on failure.
383 			    "Unable to re-enable mouse when reconnecting, err: %d\n",  in vmmouse_reconnect()
392  * vmmouse_init - Initialize the vmmouse driver
399  * events. Returns 0 on success and -1 on failure.
404 	struct input_dev *rel_dev = psmouse->dev, *abs_dev;  in vmmouse_init()
415 		error = -ENOMEM;  in vmmouse_init()
419 	priv->abs_dev = abs_dev;  in vmmouse_init()
420 	psmouse->private = priv;  in vmmouse_init()
423 	snprintf(priv->phys, sizeof(priv->phys), "%s/input1",  in vmmouse_init()
424 		 psmouse->ps2dev.serio->phys);  in vmmouse_init()
426 	/* Mimic name setup for relative device in psmouse-base.c */  in vmmouse_init()
427 	snprintf(priv->dev_name, sizeof(priv->dev_name), "%s %s %s",  in vmmouse_init()
429 	abs_dev->phys = priv->phys;  in vmmouse_init()
430 	abs_dev->name = priv->dev_name;  in vmmouse_init()
431 	abs_dev->id.bustype = BUS_I8042;  in vmmouse_init()
432 	abs_dev->id.vendor = 0x0002;  in vmmouse_init()
433 	abs_dev->id.product = PSMOUSE_VMMOUSE;  in vmmouse_init()
434 	abs_dev->id.version = psmouse->model;  in vmmouse_init()
435 	abs_dev->dev.parent = &psmouse->ps2dev.serio->dev;  in vmmouse_init()
446 	error = input_register_device(priv->abs_dev);  in vmmouse_init()
453 	psmouse->protocol_handler = vmmouse_process_byte;  in vmmouse_init()
454 	psmouse->disconnect = vmmouse_disconnect;  in vmmouse_init()
455 	psmouse->reconnect = vmmouse_reconnect;  in vmmouse_init()
456 	psmouse->cleanup = vmmouse_reset;  in vmmouse_init()
465 	psmouse->private = NULL;  in vmmouse_init()