mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 17:36:43 +07:00
3108d42de4
core takes care of calling open and close methods only
when needed.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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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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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 input_dev *dev = mapledev->private_data;
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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_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 input_dev *input_dev;
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if (!(input_dev = kmalloc(sizeof(struct input_dev), GFP_KERNEL)))
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return -1;
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dev->private_data = input_dev;
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memset(input_dev, 0, sizeof(struct dc_mouse));
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init_input_dev(input_dev);
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input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
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input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
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input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
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input_dev->name = dev->product_name;
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input_dev->id.bustype = BUS_MAPLE;
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input_register_device(input_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, input_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 input_dev *input_dev = dev->private_data;
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input_unregister_device(input_dev);
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kfree(input_dev);
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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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