82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
|
||
|
|
* http://www.samsung.com
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SCALER_EXT_H_
|
||
|
|
#define SCALER_EXT_H_
|
||
|
|
|
||
|
|
#include <linux/completion.h>
|
||
|
|
#include <linux/dma-direction.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/miscdevice.h>
|
||
|
|
|
||
|
|
#include "scaler.h"
|
||
|
|
|
||
|
|
#define SC_EXT_DEV_NAME "scaler_ext"
|
||
|
|
|
||
|
|
enum sc_ext_task_state {
|
||
|
|
SC_EXT_BUFSTATE_READY,
|
||
|
|
SC_EXT_BUFSTATE_PROCESSING,
|
||
|
|
SC_EXT_BUFSTATE_DONE,
|
||
|
|
SC_EXT_BUFSTATE_ERROR,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_dma {
|
||
|
|
struct dma_buf *dmabuf;
|
||
|
|
struct dma_buf_attachment *attachment;
|
||
|
|
struct sg_table *sgt;
|
||
|
|
dma_addr_t dma_addr;
|
||
|
|
int offset;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_format {
|
||
|
|
int format;
|
||
|
|
int plane_num;
|
||
|
|
int vshift; /* log2(horizontal chroma subsampling factor) */
|
||
|
|
int hshift; /* log2(vertical chroma subsampling factor) */
|
||
|
|
int nr_chroma[3];
|
||
|
|
const char *name;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_buf {
|
||
|
|
uint32_t count;
|
||
|
|
const struct sc_ext_format *fmt;
|
||
|
|
struct sc_ext_dma dma[MSCL_MAX_PLANES];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_task_data {
|
||
|
|
uint32_t cmd[MSCL_NR_CMDS];
|
||
|
|
struct sc_ext_buf buf[MSCL_NR_DIRS];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_task {
|
||
|
|
uint32_t task_count;
|
||
|
|
uint32_t curr_count;
|
||
|
|
struct sc_ext_task_data *data;
|
||
|
|
struct sc_ext_ctx *xctx;
|
||
|
|
struct completion complete;
|
||
|
|
enum sc_ext_task_state state;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_dev {
|
||
|
|
struct miscdevice misc;
|
||
|
|
struct list_head contexts;
|
||
|
|
struct device *dev;
|
||
|
|
spinlock_t lock_task;
|
||
|
|
spinlock_t lock_ctx;
|
||
|
|
struct mutex lock_ioctl;
|
||
|
|
struct sc_ext_task *current_task;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct sc_ext_ctx {
|
||
|
|
struct sc_ctx sc_ctx;
|
||
|
|
struct list_head node;
|
||
|
|
struct sc_ext_dev *xdev;
|
||
|
|
struct sc_ext_task *task;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* SCALER_EXT_H_ */
|