freebsd-dev/sys/dev/isl/isl.h
Michael Gmelin ca2e4ecd73 isl(4), driver for Intersil I2C ISL29018 Digital Ambient Light Sensor
Differential Revision:	https://reviews.freebsd.org/D2811
Reviewed by:	adrian, wblock
Approved by:	adrian, wblock
Relnotes:	yes
2015-07-25 20:17:19 +00:00

64 lines
2.4 KiB
C

/*-
* Copyright (c) 2015 Michael Gmelin <freebsd@grem.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _ISL_H_
#define _ISL_H_
/* Command register 1 (bits 7-5) */
#define REG_CMD1 0x00
#define CMD1_MASK_POWER_DOWN 0x00 /* 00000000 */
#define CMD1_MASK_ALS_ONCE 0x01 << 5 /* 00100000 */
#define CMD1_MASK_IR_ONCE 0x02 << 5 /* 01000000 */
#define CMD1_MASK_PROX_ONCE 0x03 << 5 /* 01100000 */
/* RESERVED */ /* 10000000 */
#define CMD1_MASK_ALS_CONT 0x05 << 5 /* 10100000 */
#define CMD1_MASK_IR_CONT 0x06 << 5 /* 11000000 */
#define CMD1_MASK_PROX_CONT 0x07 << 5 /* 11100000 */
/* Command register 2 (bits) */
#define REG_CMD2 0x01
/* data registers */
#define REG_DATA1 0x02
#define REG_DATA2 0x03
#define CMD2_SHIFT_RANGE 0x00
#define CMD2_MASK_RANGE (0x03 << CMD2_SHIFT_RANGE)
#define CMD2_SHIFT_RESOLUTION 0x02
#define CMD2_MASK_RESOLUTION (0x03 << CMD2_SHIFT_RESOLUTION)
/* Interrupt registers */
#define REG_INT_LO_LSB 0x04
#define REG_INT_LO_MSB 0x05
#define REG_INT_HI_LSB 0x06
#define REG_INT_HI_MSB 0x07
/* Test register (should hold 0x00 at all times */
#define REG_TEST 0x08
#endif