81 lines
1.6 KiB
C
Executable file
81 lines
1.6 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0-only */
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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 SCALER_EXT_H_
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#define SCALER_EXT_H_
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#include <linux/completion.h>
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#include <linux/dma-direction.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/miscdevice.h>
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#include "scaler.h"
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#define SC_EXT_DEV_NAME "scaler_ext"
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enum sc_ext_task_state {
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SC_EXT_BUFSTATE_READY,
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SC_EXT_BUFSTATE_PROCESSING,
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SC_EXT_BUFSTATE_DONE,
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SC_EXT_BUFSTATE_ERROR,
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};
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struct sc_ext_dma {
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struct dma_buf *dmabuf;
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struct dma_buf_attachment *attachment;
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struct sg_table *sgt;
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dma_addr_t dma_addr;
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int offset;
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};
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struct sc_ext_format {
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int format;
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int plane_num;
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int vshift; /* log2(horizontal chroma subsampling factor) */
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int hshift; /* log2(vertical chroma subsampling factor) */
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int nr_chroma[3];
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const char *name;
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};
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struct sc_ext_buf {
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uint32_t count;
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const struct sc_ext_format *fmt;
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struct sc_ext_dma dma[MSCL_MAX_PLANES];
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};
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struct sc_ext_task_data {
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uint32_t cmd[MSCL_NR_CMDS];
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struct sc_ext_buf buf[MSCL_NR_DIRS];
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};
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struct sc_ext_task {
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uint32_t task_count;
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uint32_t curr_count;
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struct sc_ext_task_data *data;
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struct sc_ext_ctx *xctx;
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struct completion complete;
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enum sc_ext_task_state state;
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};
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struct sc_ext_dev {
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struct miscdevice misc;
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struct list_head contexts;
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struct device *dev;
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spinlock_t lock_task;
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spinlock_t lock_ctx;
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struct mutex lock_ioctl;
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struct sc_ext_task *current_task;
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};
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struct sc_ext_ctx {
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struct sc_ctx sc_ctx;
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struct list_head node;
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struct sc_ext_dev *xdev;
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struct sc_ext_task *task;
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};
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#endif /* SCALER_EXT_H_ */
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