161 lines
4.0 KiB
C
161 lines
4.0 KiB
C
/*
|
|
* $Id: maple_keyb.c,v 1.4 2004/03/22 01:18:15 lethal Exp $
|
|
* SEGA Dreamcast keyboard driver
|
|
* Based on drivers/usb/usbkbd.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 keyboard driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static unsigned char dc_kbd_keycode[256] = {
|
|
0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
|
|
50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
|
|
4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
|
|
27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
|
|
65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
|
|
105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
|
|
72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
|
|
191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
|
|
115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0,
|
|
122,123, 90, 91, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
|
|
150,158,159,128,136,177,178,176,142,152,173,140
|
|
};
|
|
|
|
|
|
struct dc_kbd {
|
|
struct input_dev *dev;
|
|
unsigned char new[8];
|
|
unsigned char old[8];
|
|
};
|
|
|
|
|
|
static void dc_scan_kbd(struct dc_kbd *kbd)
|
|
{
|
|
int i;
|
|
struct input_dev *dev = kbd->dev;
|
|
|
|
for (i = 0; i < 8; i++)
|
|
input_report_key(dev, dc_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
|
|
|
|
for (i = 2; i < 8; i++) {
|
|
|
|
if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == NULL) {
|
|
if (dc_kbd_keycode[kbd->old[i]])
|
|
input_report_key(dev, dc_kbd_keycode[kbd->old[i]], 0);
|
|
else
|
|
printk("Unknown key (scancode %#x) released.",
|
|
kbd->old[i]);
|
|
}
|
|
|
|
if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) != NULL) {
|
|
if(dc_kbd_keycode[kbd->new[i]])
|
|
input_report_key(dev, dc_kbd_keycode[kbd->new[i]], 1);
|
|
else
|
|
printk("Unknown key (scancode %#x) pressed.",
|
|
kbd->new[i]);
|
|
}
|
|
}
|
|
|
|
input_sync(dev);
|
|
|
|
memcpy(kbd->old, kbd->new, 8);
|
|
}
|
|
|
|
|
|
static void dc_kbd_callback(struct mapleq *mq)
|
|
{
|
|
struct maple_device *mapledev = mq->dev;
|
|
struct dc_kbd *kbd = mapledev->private_data;
|
|
unsigned long *buf = mq->recvbuf;
|
|
|
|
if (buf[1] == mapledev->function) {
|
|
memcpy(kbd->new, buf + 2, 8);
|
|
dc_scan_kbd(kbd);
|
|
}
|
|
}
|
|
|
|
static int dc_kbd_connect(struct maple_device *dev)
|
|
{
|
|
struct dc_kbd *kbd;
|
|
struct input_dev *input_dev;
|
|
unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);
|
|
int i;
|
|
|
|
dev->private_data = kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL);
|
|
input_dev = input_allocate_device();
|
|
if (!kbd || !input_dev) {
|
|
kfree(kbd);
|
|
input_free_device(input_dev);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
kbd->dev = input_dev;
|
|
|
|
input_dev->name = dev->product_name;
|
|
input_dev->id.bustype = BUS_MAPLE;
|
|
input_dev->private = kbd;
|
|
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
|
|
for (i = 0; i < 255; i++)
|
|
set_bit(dc_kbd_keycode[i], input_dev->keybit);
|
|
clear_bit(0, input_dev->keybit);
|
|
|
|
input_register_device(kbd->dev);
|
|
|
|
maple_getcond_callback(dev, dc_kbd_callback, 1, MAPLE_FUNC_KEYBOARD);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void dc_kbd_disconnect(struct maple_device *dev)
|
|
{
|
|
struct dc_kbd *kbd = dev->private_data;
|
|
|
|
input_unregister_device(kbd->dev);
|
|
kfree(kbd);
|
|
}
|
|
|
|
|
|
static struct maple_driver dc_kbd_driver = {
|
|
.function = MAPLE_FUNC_KEYBOARD,
|
|
.name = "Dreamcast keyboard",
|
|
.connect = dc_kbd_connect,
|
|
.disconnect = dc_kbd_disconnect,
|
|
};
|
|
|
|
|
|
static int __init dc_kbd_init(void)
|
|
{
|
|
maple_register_driver(&dc_kbd_driver);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void __exit dc_kbd_exit(void)
|
|
{
|
|
maple_unregister_driver(&dc_kbd_driver);
|
|
}
|
|
|
|
|
|
module_init(dc_kbd_init);
|
|
module_exit(dc_kbd_exit);
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|