/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - 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 ``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 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.
*/
/** @addtogroup kbd_port
* @ingroup kbd
* @{
*/
/** @file
* @brief Z8530 keyboard port driver.
*/
#include <ipc/ipc.h>
#include <async.h>
#include <sysinfo.h>
#include <kbd.h>
#include <kbd_port.h>
#include <sys/types.h>
/** Top-half pseudocode for z8530. */
irq_cmd_t z8530_cmds[] = {
{
CMD_MEM_READ_1,
0, /**< Address. Will be patched in run-time. */
0, /**< Value. Not used. */
1 /**< Arg 1 will contain the result. */
}
};
irq_code_t z8530_kbd = {
1,
z8530_cmds
};
static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call);
int kbd_port_init(void)
{
async_set_interrupt_received(z8530_irq_handler);
z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
0, &z8530_kbd);
return 0;
}
static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call)
{
int scan_code = IPC_GET_ARG1(*call);
kbd_push_scancode(scan_code);
}
/** @}
*/