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Diffstat (limited to 'include/asm-sparc64/display7seg.h')
-rw-r--r-- | include/asm-sparc64/display7seg.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-sparc64/display7seg.h b/include/asm-sparc64/display7seg.h new file mode 100644 index 000000000000..955a3502218e --- /dev/null +++ b/include/asm-sparc64/display7seg.h | |||
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1 | /* $Id: display7seg.h,v 1.2 2000/08/02 06:22:35 davem Exp $ | ||
2 | * | ||
3 | * display7seg - Driver interface for the 7-segment display | ||
4 | * present on Sun Microsystems CP1400 and CP1500 | ||
5 | * | ||
6 | * Copyright (c) 2000 Eric Brower <ebrower@usa.net> | ||
7 | * | ||
8 | */ | ||
9 | |||
10 | #ifndef __display7seg_h__ | ||
11 | #define __display7seg_h__ | ||
12 | |||
13 | #define D7S_IOC 'p' | ||
14 | |||
15 | #define D7SIOCRD _IOR(D7S_IOC, 0x45, int) /* Read device state */ | ||
16 | #define D7SIOCWR _IOW(D7S_IOC, 0x46, int) /* Write device state */ | ||
17 | #define D7SIOCTM _IO (D7S_IOC, 0x47) /* Translate mode (FLIP)*/ | ||
18 | |||
19 | /* | ||
20 | * ioctl flag definitions | ||
21 | * | ||
22 | * POINT - Toggle decimal point (0=absent 1=present) | ||
23 | * ALARM - Toggle alarm LED (0=green 1=red) | ||
24 | * FLIP - Toggle inverted mode (0=normal 1=flipped) | ||
25 | * bits 0-4 - Character displayed (see definitions below) | ||
26 | * | ||
27 | * Display segments are defined as follows, | ||
28 | * subject to D7S_FLIP register state: | ||
29 | * | ||
30 | * a | ||
31 | * --- | ||
32 | * f| |b | ||
33 | * -g- | ||
34 | * e| |c | ||
35 | * --- | ||
36 | * d | ||
37 | */ | ||
38 | |||
39 | #define D7S_POINT (1 << 7) /* Decimal point*/ | ||
40 | #define D7S_ALARM (1 << 6) /* Alarm LED */ | ||
41 | #define D7S_FLIP (1 << 5) /* Flip display */ | ||
42 | |||
43 | #define D7S_0 0x00 /* Numerals 0-9 */ | ||
44 | #define D7S_1 0x01 | ||
45 | #define D7S_2 0x02 | ||
46 | #define D7S_3 0x03 | ||
47 | #define D7S_4 0x04 | ||
48 | #define D7S_5 0x05 | ||
49 | #define D7S_6 0x06 | ||
50 | #define D7S_7 0x07 | ||
51 | #define D7S_8 0x08 | ||
52 | #define D7S_9 0x09 | ||
53 | #define D7S_A 0x0A /* Letters A-F, H, L, P */ | ||
54 | #define D7S_B 0x0B | ||
55 | #define D7S_C 0x0C | ||
56 | #define D7S_D 0x0D | ||
57 | #define D7S_E 0x0E | ||
58 | #define D7S_F 0x0F | ||
59 | #define D7S_H 0x10 | ||
60 | #define D7S_E2 0x11 | ||
61 | #define D7S_L 0x12 | ||
62 | #define D7S_P 0x13 | ||
63 | #define D7S_SEGA 0x14 /* Individual segments */ | ||
64 | #define D7S_SEGB 0x15 | ||
65 | #define D7S_SEGC 0x16 | ||
66 | #define D7S_SEGD 0x17 | ||
67 | #define D7S_SEGE 0x18 | ||
68 | #define D7S_SEGF 0x19 | ||
69 | #define D7S_SEGG 0x1A | ||
70 | #define D7S_SEGABFG 0x1B /* Segment groupings */ | ||
71 | #define D7S_SEGCDEG 0x1C | ||
72 | #define D7S_SEGBCEF 0x1D | ||
73 | #define D7S_SEGADG 0x1E | ||
74 | #define D7S_BLANK 0x1F /* Clear all segments */ | ||
75 | |||
76 | #define D7S_MIN_VAL 0x0 | ||
77 | #define D7S_MAX_VAL 0x1F | ||
78 | |||
79 | #endif /* ifndef __display7seg_h__ */ | ||