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/*
* $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:
*/
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