sys/arch/evbmips/malta/leds.c

   1 /*      $NetBSD: leds.c,v 1.1.18.3 2004/09/21 13:15:01 skrll Exp $      */
   2
   3 /*
   4  * Copyright 2002 Wasabi Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Simon Burge for Wasabi Systems, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed for the NetBSD Project by
  20  *      Wasabi Systems, Inc.
  21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  22  *    or promote products derived from this software without specific prior
  23  *    written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include <sys/cdefs.h>
  39 __KERNEL_RCSID(0, "$NetBSD: leds.c,v 1.1.18.3 2004/09/21 13:15:01 skrll Exp $");
  40
  41 #include <sys/types.h>
  42
  43 #include <mips/cpuregs.h>
  44
  45 #include <evbmips/malta/maltareg.h>
  46
  47 void
  48 led_bar(uint8_t val)
  49 {
  50         uint8_t *ledbar = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_LEDBAR);
  51
  52         *ledbar = val;
  53 }
  54
  55 void
  56 led_display_word(uint32_t val)
  57 {
  58         uint32_t *ledbar = (uint32_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCIIWORD);
  59
  60         *ledbar = val;
  61 }
  62
  63 void
  64 led_display_str(const char *str)
  65 {
  66         uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
  67         int i;
  68
  69         for (i = 0; *str != 0 && i <= MALTA_ASCIIPOS7 + 1; str++, i += 8)
  70                 leds[i] = *str;
  71         /* Fill with spaces */
  72         for (; i <= MALTA_ASCIIPOS7; i += 8)
  73                 leds[i] = ' ';
  74 }
  75
  76 void
  77 led_display_char(int pos, uint8_t val)
  78 {
  79         uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
  80
  81         if (pos > 7)
  82                 return;
  83
  84         leds[pos * 8] = val;
  85 }