/* *	$Id: maplemouse.c,v 1.2 2004/03/22 01:18:15 lethal Exp $ *	SEGA Dreamcast mouse driver *	Based on drivers/usb/usbmouse.c */ #include <linux/kernel.h>#include <linux/slab.h>#include <linux/input.h>#include <linux/module.h>#include <linux/init.h>#include <linux/timer.h>#include <linux/maple.h> MODULE_AUTHOR("YAEGASHI Takeshi <t@keshi.org>");MODULE_DESCRIPTION("SEGA Dreamcast mouse driver"); static void dc_mouse_callback(struct mapleq *mq){	int buttons, relx, rely, relz;	struct maple_device *mapledev = mq->dev;	struct input_dev *dev = mapledev->private_data;	unsigned char *res = mq->recvbuf; 	buttons = ~res[8];	relx = *(unsigned short *)(res + 12) - 512;	rely = *(unsigned short *)(res + 14) - 512;	relz = *(unsigned short *)(res + 16) - 512; 	input_report_key(dev, BTN_LEFT,   buttons & 4);	input_report_key(dev, BTN_MIDDLE, buttons & 9);	input_report_key(dev, BTN_RIGHT,  buttons & 2);	input_report_rel(dev, REL_X,      relx);	input_report_rel(dev, REL_Y,      rely);	input_report_rel(dev, REL_WHEEL,  relz);	input_sync(dev);} static int dc_mouse_connect(struct maple_device *dev){	unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);	struct input_dev *input_dev; 	if (!(input_dev = kmalloc(sizeof(struct input_dev), GFP_KERNEL)))		return -1; 	dev->private_data = input_dev; 	memset(input_dev, 0, sizeof(struct dc_mouse));	init_input_dev(input_dev);	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);	input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);	input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL); 	input_dev->name = dev->product_name;	input_dev->id.bustype = BUS_MAPLE; 	input_register_device(input_dev); 	maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE); 	printk(KERN_INFO "input: mouse(0x%lx): %s\n", data, input_dev->name); 	return 0;}  static void dc_mouse_disconnect(struct maple_device *dev){	struct input_dev *input_dev = dev->private_data; 	input_unregister_device(input_dev);	kfree(input_dev);}  static struct maple_driver dc_mouse_driver = {	.function =	MAPLE_FUNC_MOUSE,	.name =		"Dreamcast mouse",	.connect =	dc_mouse_connect,	.disconnect =	dc_mouse_disconnect,};  static int __init dc_mouse_init(void){	maple_register_driver(&dc_mouse_driver);	return 0;}  static void __exit dc_mouse_exit(void){	maple_unregister_driver(&dc_mouse_driver);}  module_init(dc_mouse_init);module_exit(dc_mouse_exit); /* * Local variables: * c-basic-offset: 8 * End: */