i2c/ccs/ccs-reg-access.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * include/media/ccs/ccs-reg-access.h
0004  *
0005  * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors
0006  *
0007  * Copyright (C) 2020 Intel Corporation
0008  * Copyright (C) 2011--2012 Nokia Corporation
0009  * Contact: Sakari Ailus <sakari.ailus@linux.intel.com>
0010  */
0011
0012 #ifndef SMIAPP_REGS_H
0013 #define SMIAPP_REGS_H
0014
0015 #include <linux/i2c.h>
0016 #include <linux/types.h>
0017
0018 #include "ccs-regs.h"
0019
0020 #define CCS_REG_ADDR(reg)       ((u16)reg)
0021
0022 struct ccs_sensor;
0023
0024 int ccs_read_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 *val);
0025 int ccs_read_addr(struct ccs_sensor *sensor, u32 reg, u32 *val);
0026 int ccs_read_addr_8only(struct ccs_sensor *sensor, u32 reg, u32 *val);
0027 int ccs_read_addr_noconv(struct ccs_sensor *sensor, u32 reg, u32 *val);
0028 int ccs_write_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 val);
0029 int ccs_write_addr(struct ccs_sensor *sensor, u32 reg, u32 val);
0030 int ccs_write_data_regs(struct ccs_sensor *sensor, struct ccs_reg *regs,
0031             size_t num_regs);
0032
0033 unsigned int ccs_reg_width(u32 reg);
0034 u32 ccs_reg_conv(struct ccs_sensor *sensor, u32 reg, u32 val);
0035
0036 #define ccs_read(sensor, reg_name, val) \
0037     ccs_read_addr(sensor, CCS_R_##reg_name, val)
0038
0039 #define ccs_write(sensor, reg_name, val) \
0040     ccs_write_addr(sensor, CCS_R_##reg_name, val)
0041
0042 #endif