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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");
struct dc_mouse {
struct input_dev dev;
int open;
};
static void dc_mouse_callback(struct mapleq *mq)
{
int buttons, relx, rely, relz;
struct maple_device *mapledev = mq->dev;
struct dc_mouse *mouse = mapledev->private_data;
struct input_dev *dev = &mouse->dev;
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_open(struct input_dev *dev)
{
struct dc_mouse *mouse = dev->private;
mouse->open++;
return 0;
}
static void dc_mouse_close(struct input_dev *dev)
{
struct dc_mouse *mouse = dev->private;
mouse->open--;
}
static int dc_mouse_connect(struct maple_device *dev)
{
unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);
struct dc_mouse *mouse;
if (!(mouse = kmalloc(sizeof(struct dc_mouse), GFP_KERNEL)))
return -1;
memset(mouse, 0, sizeof(struct dc_mouse));
dev->private_data = mouse;
mouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
mouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
mouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
init_input_dev(&mouse->dev);
mouse->dev.private = mouse;
mouse->dev.open = dc_mouse_open;
mouse->dev.close = dc_mouse_close;
mouse->dev.event = NULL;
mouse->dev.name = dev->product_name;
mouse->dev.id.bustype = BUS_MAPLE;
input_register_device(&mouse->dev);
maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE);
printk(KERN_INFO "input: mouse(0x%lx): %s\n", data, mouse->dev.name);
return 0;
}
static void dc_mouse_disconnect(struct maple_device *dev)
{
struct dc_mouse *mouse = dev->private_data;
input_unregister_device(&mouse->dev);
kfree(mouse);
}
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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