Krzysztof Kozlowski 60a2a86fb8 media: s5p-mfc: constify pointers to s5p_mfc_cmd_args
In few places functions do not modify pointed "struct
s5p_mfc_cmd_args", thus the pointer can point to const data for
additional safety and self-documenting intention of the function.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2024-01-22 12:16:43 +01:00

32 lines
806 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* linux/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_cmd.h
*
* Copyright (C) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*/
#ifndef S5P_MFC_CMD_H_
#define S5P_MFC_CMD_H_
#include "s5p_mfc_common.h"
#define MAX_H2R_ARG 4
struct s5p_mfc_cmd_args {
unsigned int arg[MAX_H2R_ARG];
};
struct s5p_mfc_hw_cmds {
int (*cmd_host2risc)(struct s5p_mfc_dev *dev, int cmd,
const struct s5p_mfc_cmd_args *args);
int (*sys_init_cmd)(struct s5p_mfc_dev *dev);
int (*sleep_cmd)(struct s5p_mfc_dev *dev);
int (*wakeup_cmd)(struct s5p_mfc_dev *dev);
int (*open_inst_cmd)(struct s5p_mfc_ctx *ctx);
int (*close_inst_cmd)(struct s5p_mfc_ctx *ctx);
};
void s5p_mfc_init_hw_cmds(struct s5p_mfc_dev *dev);
#endif /* S5P_MFC_CMD_H_ */