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