#ident "kit/IDT364B/sbdpanel.c: Copyright (c) MIPS Technologies, Inc. All rights reserved."

/*
 * Copyright (c) 1998-2003 MIPS Technologies, Inc.
 * 
 * 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.
 *      * Neither the name of MIPS Technologies Inc. nor the names of its
 *        contributors may be used to endorse or promote products derived
 *        from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
 * OWNER 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.
 */

/*
 * IDT364/sbdpanel.c: interface to the LED display
 */


#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <mips/cpu.h>

#include "kit_impl.h"

#include "sbd.h"

void
_sbdpanelmessage (int line, int col, const char *str, size_t nb, int pad)
{
    volatile unsigned char *led = PA_TO_KVA1 (LED_BASE);
    int i;

    /* ignore row */
    if (col < 4) {
	for (i = 0; i < 4; i++) {
	    if (*str && nb > 0) {
		led[LED(i)] = *str++;
		nb--;
	    }
	    else if (pad)
		led[LED(i)] = ' ';
	    else 
		break;
	}
    }
}


void
_sbdpanelprogress (int percent)
{
}


void
_sbdpanelflash (int on)
{
    volatile unsigned char *led = PA_TO_KVA1 (LED_BASE);
    if (on)
	/* read deactivates blanking */
	(void) led[LED_BLNK];
    else
	/* write activates blanking */
	led[LED_BLNK] = 0;
}


void
_sbdpanelclear (void)
{
    volatile unsigned char *led = PA_TO_KVA1 (LED_BASE);

    /* toggle clear signal */
    led[LED_CLR] = 0;
    (void) led[LED_CLR];
}


void 
_sbdpanelsize (int *prows, int *pcols)
{
    /* 1 x 4 LED display */
    if (prows) *prows = 1;
    if (pcols) *pcols = 4;
}


int 
_sbdpanelinit (void)
{
    return 1;
}
