138 lines
4.7 KiB
C
138 lines
4.7 KiB
C
/*
|
|
* This file is part of the libpayload project.
|
|
*
|
|
* Copyright (C) 2008 coresystems GmbH
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <usb/usb.h>
|
|
|
|
enum { hid_subclass_none = 0, hid_subclass_boot = 1 };
|
|
enum { hid_proto_boot = 0, hid_proto_report = 1 };
|
|
enum { hid_boot_proto_none = 0, hid_boot_proto_keyboard =
|
|
1, hid_boot_proto_mouse = 2
|
|
};
|
|
static const char *boot_protos[3] = { "(none)", "keyboard", "mouse" };
|
|
enum { GET_REPORT = 0x1, GET_IDLE = 0x2, GET_PROTOCOL = 0x3, SET_REPORT =
|
|
0x9, SET_IDLE = 0xa, SET_PROTOCOL = 0xb
|
|
};
|
|
|
|
static void
|
|
usb_hid_destroy (usbdev_t *dev)
|
|
{
|
|
}
|
|
|
|
int keypress;
|
|
char keymap[256] = {
|
|
-1, -1, -1, -1, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',
|
|
'l',
|
|
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
|
|
'1', '2',
|
|
'3', '4', '5', '6', '7', '8', '9', '0', '\n', TERM_ESC,
|
|
TERM_BACKSPACE, TERM_TAB, ' ', '-', '=', '[',
|
|
']', '\\', -1, ';', '\'', '`', ',', '.', '/', -1, -1, -1, -1, -1, -1,
|
|
-1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, TERM_HOME, TERM_PPAGE, -1,
|
|
TERM_END, TERM_NPAGE, TERM_RIGHT,
|
|
TERM_LEFT, TERM_DOWN, TERM_UP, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
};
|
|
|
|
|
|
static void
|
|
usb_hid_poll (usbdev_t *dev)
|
|
{
|
|
char buf[8];
|
|
static int toggle = 0;
|
|
// hardcode to endpoint 1, 8 bytes
|
|
dev->controller->packet (dev, 1, IN, toggle, 8, buf);
|
|
toggle ^= 1;
|
|
// FIXME: manage buf[0]=special keys, too
|
|
keypress = keymap[buf[2]];
|
|
if ((keypress == -1) && (buf[2] != 0)) {
|
|
printf ("%x %x %x %x %x %x %x %x\n", buf[0], buf[1], buf[2],
|
|
buf[3], buf[4], buf[5], buf[6], buf[7]);
|
|
}
|
|
}
|
|
|
|
int (*oldhook) (void);
|
|
|
|
int
|
|
hookfunc (void)
|
|
{
|
|
int key;
|
|
if (oldhook != 0)
|
|
key = oldhook ();
|
|
if (key == -1)
|
|
key = keypress;
|
|
return key;
|
|
}
|
|
|
|
void
|
|
usb_hid_init (usbdev_t *dev)
|
|
{
|
|
|
|
configuration_descriptor_t *cd = dev->configuration;
|
|
interface_descriptor_t *interface = ((char *) cd) + cd->bLength;
|
|
|
|
if (interface->bInterfaceSubClass == hid_subclass_boot) {
|
|
printf (" supports boot interface..\n");
|
|
printf (" it's a %s\n",
|
|
boot_protos[interface->bInterfaceProtocol]);
|
|
if (interface->bInterfaceProtocol == hid_boot_proto_keyboard) {
|
|
printf (" activating...\n");
|
|
dev_req_t dr;
|
|
// set_protocol(hid_proto_boot)
|
|
dr.data_dir = host_to_device;
|
|
dr.req_type = class_type;
|
|
dr.req_recp = iface_recp;
|
|
dr.bRequest = SET_PROTOCOL;
|
|
dr.wValue = hid_proto_boot;
|
|
dr.wIndex = interface->bInterfaceNumber;
|
|
dr.wLength = 0;
|
|
dev->controller->control (dev, OUT,
|
|
sizeof (dev_req_t), &dr, 0,
|
|
0);
|
|
|
|
// only add here, because we only support boot-keyboard HID devices
|
|
// FIXME: make this a real console input driver instead, once the API is there
|
|
dev->destroy = usb_hid_destroy;
|
|
dev->poll = usb_hid_poll;
|
|
oldhook = getkey_hook;
|
|
getkey_hook = hookfunc;
|
|
}
|
|
}
|
|
}
|