1 /* $NetBSD: ds2482owreg.h,v 1.1 2024/11/04 20:43:38 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2024 Brad Spencer <brad@anduin.eldar.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _DEV_I2C_DS2482REG_H_ 20 #define _DEV_I2C_DS2482REG_H_ 21 22 #define DS2482_LOWEST_ADDR 0x18 23 #define DS2482_HIGHEST_ADDR 0x1F 24 25 #define DS2482_DEVICE_RESET 0xF0 26 #define DS2482_SET_READ_POINTER 0xE1 27 #define DS2482_REGISTER_STATUS 0xF0 28 #define DS2482_STATUS_1WB 0x01 29 #define DS2482_STATUS_PPD 0x02 30 #define DS2482_STATUS_SD 0x04 31 #define DS2482_STATUS_LL 0x08 32 #define DS2482_STATUS_RST 0x10 33 #define DS2482_STATUS_SBR 0x20 34 #define DS2482_STATUS_SBR_SHIFT 5 35 #define DS2482_STATUS_TSB 0x40 36 #define DS2482_STATUS_DIR 0x80 37 #define DS2482_REGISTER_DATA 0xE1 38 #define DS2482_REGISTER_CONFIG 0xC3 39 #define DS2482_REGISTER_CHANNEL 0xD2 /* DS2482-800 only */ 40 #define DS2482_WRITE_CONFIG 0xD2 41 #define DS2482_CONFIG_1WS 0x08 42 #define DS2482_CONFIG_SPU 0x04 43 #define DS2482_CONFIG_APU 0x01 44 #define DS2482_SELECT_CHANNEL 0xC3 /* DS2482-800 only */ 45 #define DS2482_CHANNEL_IO0 0xF0 46 #define DS2482_CHANNEL_IO1 0xE1 47 #define DS2482_CHANNEL_IO2 0xD2 48 #define DS2482_CHANNEL_IO3 0xC3 49 #define DS2482_CHANNEL_IO4 0xB4 50 #define DS2482_CHANNEL_IO5 0xA5 51 #define DS2482_CHANNEL_IO6 0x96 52 #define DS2482_CHANNEL_IO7 0x87 53 #define DS2482_ONEWIRE_RESET 0xB4 54 #define DS2482_ONEWIRE_SINGLE_BIT 0x87 55 #define DS2482_ONEWIRE_BIT_ZERO 0x00 56 #define DS2482_ONEWIRE_BIT_ONE 0x80 57 #define DS2482_ONEWIRE_WRITE_BYTE 0xA5 58 #define DS2482_ONEWIRE_READ_BYTE 0x96 59 #define DS2482_ONEWIRE_TRIPLET 0x78 60 #define DS2482_TRIPLET_DIR_ZERO 0x00 61 #define DS2482_TRIPLET_DIR_ONE 0x80 62 63 #endif 64