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