1 /* $NetBSD: leds.c,v 1.3 2005/12/11 12:17:11 christos 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 1.3 2005/12/11 12:17:11 christos Exp $");
40
41 #include <sys/types.h>
42
43 #include <mips/cpuregs.h>
44
45 #include <evbmips/malta/maltareg.h>
46
47 void
led_bar(uint8_t val)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
led_display_word(uint32_t val)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
led_display_str(const char * str)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
led_display_char(int pos,uint8_t val)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 }
86