1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * include/media/smiapp/smiapp-regs.h 4 * 5 * Generic driver for SMIA/SMIA++ compliant camera modules 6 * 7 * Copyright (C) 2011--2012 Nokia Corporation 8 * Contact: Sakari Ailus <sakari.ailus@iki.fi> 9 */ 10 11 #ifndef SMIAPP_REGS_H 12 #define SMIAPP_REGS_H 13 14 #include <linux/i2c.h> 15 #include <linux/types.h> 16 17 #define SMIAPP_REG_ADDR(reg) ((u16)reg) 18 #define SMIAPP_REG_WIDTH(reg) ((u8)(reg >> 16)) 19 #define SMIAPP_REG_FLAGS(reg) ((u8)(reg >> 24)) 20 21 /* Use upper 8 bits of the type field for flags */ 22 #define SMIAPP_REG_FLAG_FLOAT (1 << 24) 23 24 #define SMIAPP_REG_8BIT 1 25 #define SMIAPP_REG_16BIT 2 26 #define SMIAPP_REG_32BIT 4 27 28 struct smiapp_sensor; 29 30 int smiapp_read_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 *val); 31 int smiapp_read(struct smiapp_sensor *sensor, u32 reg, u32 *val); 32 int smiapp_read_8only(struct smiapp_sensor *sensor, u32 reg, u32 *val); 33 int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val); 34 int smiapp_write(struct smiapp_sensor *sensor, u32 reg, u32 val); 35 36 #endif 37