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Ignore whitespace Rev 4418 → Rev 4419

/branches/dd/uspace/srv/kbd/port/z8530.c
0,0 → 1,109
/*
* 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 <ipc/bus.h>
#include <async.h>
#include <sysinfo.h>
#include <kbd.h>
#include <kbd_port.h>
#include <sun.h>
#include <sys/types.h>
#include <ddi.h>
 
#define CHAN_A_STATUS 4
#define CHAN_A_DATA 6
 
#define RR0_RCA 1
 
static irq_cmd_t z8530_cmds[] = {
{
.cmd = CMD_PIO_READ_8,
.addr = (void *) 0, /* will be patched in run-time */
.dstarg = 1
},
{
.cmd = CMD_BTEST,
.value = RR0_RCA,
.srcarg = 1,
.dstarg = 3
},
{
.cmd = CMD_PREDICATE,
.value = 2,
.srcarg = 3
},
{
.cmd = CMD_PIO_READ_8,
.addr = (void *) 0, /* will be patched in run-time */
.dstarg = 2
},
{
.cmd = CMD_ACCEPT
}
};
irq_code_t z8530_kbd = {
sizeof(z8530_cmds) / sizeof(irq_cmd_t),
z8530_cmds
};
 
static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call);
 
int z8530_port_init(void)
{
async_set_interrupt_received(z8530_irq_handler);
z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.kernel") +
CHAN_A_STATUS;
z8530_cmds[3].addr = (void *) sysinfo_value("kbd.address.kernel") +
CHAN_A_DATA;
ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(),
sysinfo_value("kbd.inr"), &z8530_kbd);
return 0;
}
 
static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call)
{
int scan_code = IPC_GET_ARG2(*call);
kbd_push_scancode(scan_code);
if (cir_service)
async_msg_1(cir_phone, BUS_CLEAR_INTERRUPT,
IPC_GET_METHOD(*call));
}
 
/** @}
*/