1 /* 2 * include/media/smiapp/smiapp-regs.h 3 * 4 * Generic driver for SMIA/SMIA++ compliant camera modules 5 * 6 * Copyright (C) 2011--2012 Nokia Corporation 7 * Contact: Sakari Ailus <sakari.ailus@iki.fi> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * version 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 */ 18 19 #ifndef SMIAPP_REGS_H 20 #define SMIAPP_REGS_H 21 22 #include <linux/i2c.h> 23 #include <linux/types.h> 24 25 #define SMIAPP_REG_ADDR(reg) ((u16)reg) 26 #define SMIAPP_REG_WIDTH(reg) ((u8)(reg >> 16)) 27 #define SMIAPP_REG_FLAGS(reg) ((u8)(reg >> 24)) 28 29 /* Use upper 8 bits of the type field for flags */ 30 #define SMIAPP_REG_FLAG_FLOAT (1 << 24) 31 32 #define SMIAPP_REG_8BIT 1 33 #define SMIAPP_REG_16BIT 2 34 #define SMIAPP_REG_32BIT 4 35 36 struct smiapp_sensor; 37 38 int smiapp_read_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 *val); 39 int smiapp_read(struct smiapp_sensor *sensor, u32 reg, u32 *val); 40 int smiapp_read_8only(struct smiapp_sensor *sensor, u32 reg, u32 *val); 41 int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val); 42 int smiapp_write(struct smiapp_sensor *sensor, u32 reg, u32 val); 43 44 #endif 45
