/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2022 Rockchip Electronics Co., Ltd
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*/
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#ifndef __ROCKCHIP_VIDEO_TUNNEL_H__
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#define __ROCKCHIP_VIDEO_TUNNEL_H__
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#define MAX_BUF_HANDLE_FDS 16
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#define MAX_BUF_HANDLE_INTS 128
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#define RKVT_IOC_MAGIC 'V'
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#define RKVT_IOWR(nr, type) _IOWR(RKVT_IOC_MAGIC, nr, type)
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#define RKVT_IOC_ALLOC_ID RKVT_IOWR(0x0, struct rkvt_alloc_id_data)
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#define RKVT_IOC_FREE_ID RKVT_IOWR(0x1, struct rkvt_alloc_id_data)
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#define RKVT_IOC_CTRL RKVT_IOWR(0x2, struct rkvt_ctrl_data)
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#define RKVT_IOC_QUEUE_BUF RKVT_IOWR(0x3, struct rkvt_buf_data)
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#define RKVT_IOC_DEQUE_BUF RKVT_IOWR(0x4, struct rkvt_buf_data)
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#define RKVT_IOC_CANCEL_BUF RKVT_IOWR(0x5, struct rkvt_buf_data)
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#define RKVT_IOC_ACQUIRE_BUF RKVT_IOWR(0x6, struct rkvt_buf_data)
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#define RKVT_IOC_RELEASE_BUF RKVT_IOWR(0x7, struct rkvt_buf_data)
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// caller type
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enum rkvt_caller_e {
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RKVT_CALLER_PRODUCER,
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RKVT_CALLER_CONSUMER,
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RKVT_CALLER_BUTT,
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};
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// video tunnel caller control
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enum rkvt_ctrl_cmd_e {
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RKVT_CTRL_CONNECT,
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RKVT_CTRL_DISCONNECT,
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RKVT_CTRL_RESET,
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RKVT_CTRL_HAS_CONSUMER,
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RKVT_CTRL_BUTT,
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};
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struct rkvt_alloc_id_data {
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int vt_id;
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};
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struct rkvt_ctrl_data {
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int vt_id;
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enum rkvt_caller_e caller;
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enum rkvt_ctrl_cmd_e ctrl_cmd;
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int ctrl_data;
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};
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struct rkvt_rect {
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int left;
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int top;
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int right;
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int bottom;
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};
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struct rkvt_buf_base {
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int vt_id;
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int fence_fd;
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int buf_status;
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int num_fds; /* number of file-descriptors at &data[0] */
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int num_ints; /* number of ints at &data[numFds] */
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int reserved;
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int fds[MAX_BUF_HANDLE_FDS];
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int ints[MAX_BUF_HANDLE_INTS];
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int64_t priv_data;
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uint64_t expected_present_time;
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uint64_t buffer_id;
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struct rkvt_rect crop;
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};
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struct rkvt_buf_data {
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int vt_id;
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int timeout_ms; /* 0: non block, negative: block, other: timeout ms */
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struct rkvt_buf_base base;
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};
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#endif
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