+++ /dev/null
-/*
- * $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;
- int err;
-
- dev->private_data = kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!kbd || !input_dev) {
- err = -ENOMEM;
- goto fail;
- }
-
- 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);
-
- err = input_register_device(kbd->dev);
- if (err)
- goto fail;
-
- maple_getcond_callback(dev, dc_kbd_callback, 1, MAPLE_FUNC_KEYBOARD);
- return 0;
-
- fail: input_free_device(input_dev);
- kfree(kbd);
- return err;
-}
-
-
-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:
- */