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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 *
4 * display7seg - Driver interface for the 7-segment display
5 * present on Sun Microsystems CP1400 and CP1500
6 *
7 * Copyright (c) 2000 Eric Brower <ebrower@usa.net>
8 *
9 */
10
11#ifndef __display7seg_h__
12#define __display7seg_h__
13
14#define D7S_IOC 'p'
15
16#define D7SIOCRD _IOR(D7S_IOC, 0x45, int) /* Read device state */
17#define D7SIOCWR _IOW(D7S_IOC, 0x46, int) /* Write device state */
18#define D7SIOCTM _IO (D7S_IOC, 0x47) /* Translate mode (FLIP)*/
19
20/*
21 * ioctl flag definitions
22 *
23 * POINT - Toggle decimal point (0=absent 1=present)
24 * ALARM - Toggle alarm LED (0=green 1=red)
25 * FLIP - Toggle inverted mode (0=normal 1=flipped)
26 * bits 0-4 - Character displayed (see definitions below)
27 *
28 * Display segments are defined as follows,
29 * subject to D7S_FLIP register state:
30 *
31 * a
32 * ---
33 * f| |b
34 * -g-
35 * e| |c
36 * ---
37 * d
38 */
39
40#define D7S_POINT (1 << 7) /* Decimal point*/
41#define D7S_ALARM (1 << 6) /* Alarm LED */
42#define D7S_FLIP (1 << 5) /* Flip display */
43
44#define D7S_0 0x00 /* Numerals 0-9 */
45#define D7S_1 0x01
46#define D7S_2 0x02
47#define D7S_3 0x03
48#define D7S_4 0x04
49#define D7S_5 0x05
50#define D7S_6 0x06
51#define D7S_7 0x07
52#define D7S_8 0x08
53#define D7S_9 0x09
54#define D7S_A 0x0A /* Letters A-F, H, L, P */
55#define D7S_B 0x0B
56#define D7S_C 0x0C
57#define D7S_D 0x0D
58#define D7S_E 0x0E
59#define D7S_F 0x0F
60#define D7S_H 0x10
61#define D7S_E2 0x11
62#define D7S_L 0x12
63#define D7S_P 0x13
64#define D7S_SEGA 0x14 /* Individual segments */
65#define D7S_SEGB 0x15
66#define D7S_SEGC 0x16
67#define D7S_SEGD 0x17
68#define D7S_SEGE 0x18
69#define D7S_SEGF 0x19
70#define D7S_SEGG 0x1A
71#define D7S_SEGABFG 0x1B /* Segment groupings */
72#define D7S_SEGCDEG 0x1C
73#define D7S_SEGBCEF 0x1D
74#define D7S_SEGADG 0x1E
75#define D7S_BLANK 0x1F /* Clear all segments */
76
77#define D7S_MIN_VAL 0x0
78#define D7S_MAX_VAL 0x1F
79
80#endif /* ifndef __display7seg_h__ */
1/*
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__ */