162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * display7seg - Driver interface for the 7-segment display 562306a36Sopenharmony_ci * present on Sun Microsystems CP1400 and CP1500 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Copyright (c) 2000 Eric Brower <ebrower@usa.net> 862306a36Sopenharmony_ci * 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifndef __display7seg_h__ 1262306a36Sopenharmony_ci#define __display7seg_h__ 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#define D7S_IOC 'p' 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci#define D7SIOCRD _IOR(D7S_IOC, 0x45, int) /* Read device state */ 1762306a36Sopenharmony_ci#define D7SIOCWR _IOW(D7S_IOC, 0x46, int) /* Write device state */ 1862306a36Sopenharmony_ci#define D7SIOCTM _IO (D7S_IOC, 0x47) /* Translate mode (FLIP)*/ 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci/* 2162306a36Sopenharmony_ci * ioctl flag definitions 2262306a36Sopenharmony_ci * 2362306a36Sopenharmony_ci * POINT - Toggle decimal point (0=absent 1=present) 2462306a36Sopenharmony_ci * ALARM - Toggle alarm LED (0=green 1=red) 2562306a36Sopenharmony_ci * FLIP - Toggle inverted mode (0=normal 1=flipped) 2662306a36Sopenharmony_ci * bits 0-4 - Character displayed (see definitions below) 2762306a36Sopenharmony_ci * 2862306a36Sopenharmony_ci * Display segments are defined as follows, 2962306a36Sopenharmony_ci * subject to D7S_FLIP register state: 3062306a36Sopenharmony_ci * 3162306a36Sopenharmony_ci * a 3262306a36Sopenharmony_ci * --- 3362306a36Sopenharmony_ci * f| |b 3462306a36Sopenharmony_ci * -g- 3562306a36Sopenharmony_ci * e| |c 3662306a36Sopenharmony_ci * --- 3762306a36Sopenharmony_ci * d 3862306a36Sopenharmony_ci */ 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#define D7S_POINT (1 << 7) /* Decimal point*/ 4162306a36Sopenharmony_ci#define D7S_ALARM (1 << 6) /* Alarm LED */ 4262306a36Sopenharmony_ci#define D7S_FLIP (1 << 5) /* Flip display */ 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci#define D7S_0 0x00 /* Numerals 0-9 */ 4562306a36Sopenharmony_ci#define D7S_1 0x01 4662306a36Sopenharmony_ci#define D7S_2 0x02 4762306a36Sopenharmony_ci#define D7S_3 0x03 4862306a36Sopenharmony_ci#define D7S_4 0x04 4962306a36Sopenharmony_ci#define D7S_5 0x05 5062306a36Sopenharmony_ci#define D7S_6 0x06 5162306a36Sopenharmony_ci#define D7S_7 0x07 5262306a36Sopenharmony_ci#define D7S_8 0x08 5362306a36Sopenharmony_ci#define D7S_9 0x09 5462306a36Sopenharmony_ci#define D7S_A 0x0A /* Letters A-F, H, L, P */ 5562306a36Sopenharmony_ci#define D7S_B 0x0B 5662306a36Sopenharmony_ci#define D7S_C 0x0C 5762306a36Sopenharmony_ci#define D7S_D 0x0D 5862306a36Sopenharmony_ci#define D7S_E 0x0E 5962306a36Sopenharmony_ci#define D7S_F 0x0F 6062306a36Sopenharmony_ci#define D7S_H 0x10 6162306a36Sopenharmony_ci#define D7S_E2 0x11 6262306a36Sopenharmony_ci#define D7S_L 0x12 6362306a36Sopenharmony_ci#define D7S_P 0x13 6462306a36Sopenharmony_ci#define D7S_SEGA 0x14 /* Individual segments */ 6562306a36Sopenharmony_ci#define D7S_SEGB 0x15 6662306a36Sopenharmony_ci#define D7S_SEGC 0x16 6762306a36Sopenharmony_ci#define D7S_SEGD 0x17 6862306a36Sopenharmony_ci#define D7S_SEGE 0x18 6962306a36Sopenharmony_ci#define D7S_SEGF 0x19 7062306a36Sopenharmony_ci#define D7S_SEGG 0x1A 7162306a36Sopenharmony_ci#define D7S_SEGABFG 0x1B /* Segment groupings */ 7262306a36Sopenharmony_ci#define D7S_SEGCDEG 0x1C 7362306a36Sopenharmony_ci#define D7S_SEGBCEF 0x1D 7462306a36Sopenharmony_ci#define D7S_SEGADG 0x1E 7562306a36Sopenharmony_ci#define D7S_BLANK 0x1F /* Clear all segments */ 7662306a36Sopenharmony_ci 7762306a36Sopenharmony_ci#define D7S_MIN_VAL 0x0 7862306a36Sopenharmony_ci#define D7S_MAX_VAL 0x1F 7962306a36Sopenharmony_ci 8062306a36Sopenharmony_ci#endif /* ifndef __display7seg_h__ */ 81