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Ignore whitespace Rev 4418 → Rev 4419

/branches/dd/uspace/srv/kbd/port/gxemul.c
0,0 → 1,87
/*
* Copyright (c) 2007 Michal Kebrt
* 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 GXEmul keyboard port driver.
*/
 
#include <ipc/ipc.h>
#include <async.h>
#include <sysinfo.h>
#include <kbd_port.h>
#include <kbd.h>
#include <ddi.h>
 
static irq_cmd_t gxemul_cmds[] = {
{
.cmd = CMD_PIO_READ_8,
.addr = (void *) 0, /* will be patched in run-time */
.dstarg = 2,
},
{
.cmd = CMD_ACCEPT
}
};
 
static irq_code_t gxemul_kbd = {
sizeof(gxemul_cmds) / sizeof(irq_cmd_t),
gxemul_cmds
};
 
static void gxemul_irq_handler(ipc_callid_t iid, ipc_call_t *call);
 
/** Initializes keyboard handler. */
int kbd_port_init(void)
{
async_set_interrupt_received(gxemul_irq_handler);
gxemul_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual");
ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(),
0, &gxemul_kbd);
return 0;
}
 
/** Process data sent when a key is pressed.
*
* @param keybuffer Buffer of pressed keys.
* @param call IPC call.
*
* @return Always 1.
*/
static void gxemul_irq_handler(ipc_callid_t iid, ipc_call_t *call)
{
int scan_code = IPC_GET_ARG2(*call);
 
kbd_push_scancode(scan_code);
}
 
/** @}
*/