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