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86aed3f519
The interface used to communicate with the firmware casts pointers into unsigned longs and back again in order to store private references, all of this for pointers that remain purely in the kernel. Replace these unsigned longs with void pointers to make the code a bit sturdier and easier to follow. Also simplify some interfaces by removing arguments that could be infered from others. Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> [hverkuil-cisco@xs4all.nl: fix checkpatch alignment warning] Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
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* Jungchang Tsao <jungchang.tsao@mediatek.com>
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* Tiffany Lin <tiffany.lin@mediatek.com>
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*/
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#ifndef _VENC_DRV_BASE_
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#define _VENC_DRV_BASE_
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#include "mtk_vcodec_drv.h"
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#include "venc_drv_if.h"
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struct venc_common_if {
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/**
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* (*init)() - initialize driver
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* @ctx: [in] mtk v4l2 context
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* @handle: [out] driver handle
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*/
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int (*init)(struct mtk_vcodec_ctx *ctx);
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/**
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* (*encode)() - trigger encode
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* @handle: [in] driver handle
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* @opt: [in] encode option
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* @frm_buf: [in] frame buffer to store input frame
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* @bs_buf: [in] bitstream buffer to store output bitstream
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* @result: [out] encode result
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*/
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int (*encode)(void *handle, enum venc_start_opt opt,
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struct venc_frm_buf *frm_buf,
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struct mtk_vcodec_mem *bs_buf,
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struct venc_done_result *result);
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/**
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* (*set_param)() - set driver's parameter
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* @handle: [in] driver handle
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* @type: [in] parameter type
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* @in: [in] buffer to store the parameter
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*/
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int (*set_param)(void *handle, enum venc_set_param_type type,
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struct venc_enc_param *in);
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/**
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* (*deinit)() - deinitialize driver.
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* @handle: [in] driver handle
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*/
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int (*deinit)(void *handle);
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};
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#endif
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