leds.c revision 1.1 1 1.1 simonb /* $NetBSD: leds.c,v 1.1 2002/03/07 14:44:03 simonb Exp $ */
2 1.1 simonb
3 1.1 simonb /*
4 1.1 simonb * Copyright 2002 Wasabi Systems, Inc.
5 1.1 simonb * All rights reserved.
6 1.1 simonb *
7 1.1 simonb * Written by Simon Burge for Wasabi Systems, Inc.
8 1.1 simonb *
9 1.1 simonb * Redistribution and use in source and binary forms, with or without
10 1.1 simonb * modification, are permitted provided that the following conditions
11 1.1 simonb * are met:
12 1.1 simonb * 1. Redistributions of source code must retain the above copyright
13 1.1 simonb * notice, this list of conditions and the following disclaimer.
14 1.1 simonb * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 simonb * notice, this list of conditions and the following disclaimer in the
16 1.1 simonb * documentation and/or other materials provided with the distribution.
17 1.1 simonb * 3. All advertising materials mentioning features or use of this software
18 1.1 simonb * must display the following acknowledgement:
19 1.1 simonb * This product includes software developed for the NetBSD Project by
20 1.1 simonb * Wasabi Systems, Inc.
21 1.1 simonb * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1 simonb * or promote products derived from this software without specific prior
23 1.1 simonb * written permission.
24 1.1 simonb *
25 1.1 simonb * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1 simonb * POSSIBILITY OF SUCH DAMAGE.
36 1.1 simonb */
37 1.1 simonb
38 1.1 simonb #include <sys/types.h>
39 1.1 simonb
40 1.1 simonb #include <mips/cpuregs.h>
41 1.1 simonb
42 1.1 simonb #include <evbmips/malta/maltareg.h>
43 1.1 simonb
44 1.1 simonb void
45 1.1 simonb led_bar(uint8_t val)
46 1.1 simonb {
47 1.1 simonb uint8_t *ledbar = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_LEDBAR);
48 1.1 simonb
49 1.1 simonb *ledbar = val;
50 1.1 simonb }
51 1.1 simonb
52 1.1 simonb void
53 1.1 simonb led_display_word(uint32_t val)
54 1.1 simonb {
55 1.1 simonb uint32_t *ledbar = (uint32_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCIIWORD);
56 1.1 simonb
57 1.1 simonb *ledbar = val;
58 1.1 simonb }
59 1.1 simonb
60 1.1 simonb void
61 1.1 simonb led_display_str(const char *str)
62 1.1 simonb {
63 1.1 simonb uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
64 1.1 simonb int i;
65 1.1 simonb
66 1.1 simonb for (i = 0; *str != 0 && i <= MALTA_ASCIIPOS7 + 1; str++, i += 8)
67 1.1 simonb leds[i] = *str;
68 1.1 simonb /* Fill with spaces */
69 1.1 simonb for (; i <= MALTA_ASCIIPOS7; i += 8)
70 1.1 simonb leds[i] = ' ';
71 1.1 simonb }
72 1.1 simonb
73 1.1 simonb void
74 1.1 simonb led_display_char(int pos, uint8_t val)
75 1.1 simonb {
76 1.1 simonb uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
77 1.1 simonb
78 1.1 simonb if (pos > 7)
79 1.1 simonb return;
80 1.1 simonb
81 1.1 simonb leds[pos * 8] = val;
82 1.1 simonb }
83