drivers/media/i2c/smiapp/smiapp-regs.h

   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