drivers/media/i2c/ccs/ccs-reg-access.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * include/media/ccs/ccs-reg-access.h
   4  *
   5  * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors
   6  *
   7  * Copyright (C) 2020 Intel Corporation
   8  * Copyright (C) 2011--2012 Nokia Corporation
   9  * Contact: Sakari Ailus <sakari.ailus@linux.intel.com>
  10  */
  11
  12 #ifndef SMIAPP_REGS_H
  13 #define SMIAPP_REGS_H
  14
  15 #include <linux/i2c.h>
  16 #include <linux/types.h>
  17
  18 #include "ccs-regs.h"
  19
  20 #define CCS_REG_ADDR(reg)               ((u16)reg)
  21
  22 struct ccs_sensor;
  23
  24 int ccs_read_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 *val);
  25 int ccs_read_addr(struct ccs_sensor *sensor, u32 reg, u32 *val);
  26 int ccs_read_addr_8only(struct ccs_sensor *sensor, u32 reg, u32 *val);
  27 int ccs_read_addr_noconv(struct ccs_sensor *sensor, u32 reg, u32 *val);
  28 int ccs_write_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 val);
  29 int ccs_write_addr(struct ccs_sensor *sensor, u32 reg, u32 val);
  30 int ccs_write_data_regs(struct ccs_sensor *sensor, struct ccs_reg *regs,
  31                         size_t num_regs);
  32
  33 unsigned int ccs_reg_width(u32 reg);
  34 u32 ccs_reg_conv(struct ccs_sensor *sensor, u32 reg, u32 val);
  35
  36 #define ccs_read(sensor, reg_name, val) \
  37         ccs_read_addr(sensor, CCS_R_##reg_name, val)
  38
  39 #define ccs_write(sensor, reg_name, val) \
  40         ccs_write_addr(sensor, CCS_R_##reg_name, val)
  41
  42 #endif