86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/* $NetBSD: leds.c,v 1.2 2003/07/15 01:37:33 lukem Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge for Wasabi Systems, Inc.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: leds.c,v 1.2 2003/07/15 01:37:33 lukem Exp $");
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#include <sys/types.h>
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#include <mips/cpuregs.h>
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#include <evbmips/malta/maltareg.h>
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void
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led_bar(uint8_t val)
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{
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uint8_t *ledbar = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_LEDBAR);
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*ledbar = val;
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}
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void
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led_display_word(uint32_t val)
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{
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uint32_t *ledbar = (uint32_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCIIWORD);
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*ledbar = val;
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}
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void
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led_display_str(const char *str)
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{
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uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
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int i;
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for (i = 0; *str != 0 && i <= MALTA_ASCIIPOS7 + 1; str++, i += 8)
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leds[i] = *str;
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/* Fill with spaces */
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for (; i <= MALTA_ASCIIPOS7; i += 8)
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leds[i] = ' ';
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}
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void
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led_display_char(int pos, uint8_t val)
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{
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uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
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if (pos > 7)
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return;
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leds[pos * 8] = val;
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}
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