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video: rockchip: vtunnel: add video tunnel driver

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Signed-off-by: Rimon Xu <rimon.xu@rock-chips.com>
Change-Id: Ic621f6fcbc4924bd5567c9161f358e9365830618
This commit is contained in:
Rimon Xu
2022-12-09 16:20:19 +08:00
committed by Tao Huang
parent 7405801db4
commit da317c6776
6 changed files with 1621 additions and 0 deletions
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1
drivers/video/rockchip/Kconfig
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@@ -7,3 +7,4 @@ source "drivers/video/rockchip/iep/Kconfig"
source "drivers/video/rockchip/mpp/Kconfig"
source "drivers/video/rockchip/dvbm/Kconfig"
source "drivers/video/rockchip/vehicle/Kconfig"
source "drivers/video/rockchip/vtunnel/Kconfig"

1
drivers/video/rockchip/Makefile
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@@ -7,3 +7,4 @@ obj-$(CONFIG_IEP) += iep/
obj-$(CONFIG_ROCKCHIP_MPP_SERVICE) += mpp/
obj-$(CONFIG_ROCKCHIP_DVBM) += dvbm/
obj-$(CONFIG_VIDEO_REVERSE_IMAGE) += vehicle/
obj-$(CONFIG_ROCKCHIP_VIDEO_TUNNEL) += vtunnel/

12
drivers/video/rockchip/vtunnel/Kconfig Normal file
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@@ -0,0 +1,12 @@
# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
menu "Rockchip video tunnel support"
config ROCKCHIP_VIDEO_TUNNEL
tristate "Rockchip video tunnel device support"
depends on ARCH_ROCKCHIP
default n
help
Rockchip videotunnel device support.
endmenu

3
drivers/video/rockchip/vtunnel/Makefile Normal file
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@@ -0,0 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_ROCKCHIP_VIDEO_TUNNEL) += rkvtunnel.o

1523
drivers/video/rockchip/vtunnel/rkvtunnel.c Normal file
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File diff suppressed because it is too large Load Diff

81
drivers/video/rockchip/vtunnel/rkvtunnel.h Normal file
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@@ -0,0 +1,81 @@
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
* Copyright (c) 2022 Rockchip Electronics Co., Ltd
*/
#ifndef __ROCKCHIP_VIDEO_TUNNEL_H__
#define __ROCKCHIP_VIDEO_TUNNEL_H__
#include <linux/ioctl.h>
#include <linux/types.h>
#define MAX_BUF_HANDLE_FDS 16
#define MAX_BUF_HANDLE_INTS 128
#define RKVT_IOC_MAGIC 'V'
#define RKVT_IOWR(nr, type) _IOWR(RKVT_IOC_MAGIC, nr, type)
#define RKVT_IOC_ALLOC_ID RKVT_IOWR(0x0, struct rkvt_alloc_id_data)
#define RKVT_IOC_FREE_ID RKVT_IOWR(0x1, struct rkvt_alloc_id_data)
#define RKVT_IOC_CTRL RKVT_IOWR(0x2, struct rkvt_ctrl_data)
#define RKVT_IOC_QUEUE_BUF RKVT_IOWR(0x3, struct rkvt_buf_data)
#define RKVT_IOC_DEQUE_BUF RKVT_IOWR(0x4, struct rkvt_buf_data)
#define RKVT_IOC_CANCEL_BUF RKVT_IOWR(0x5, struct rkvt_buf_data)
#define RKVT_IOC_ACQUIRE_BUF RKVT_IOWR(0x6, struct rkvt_buf_data)
#define RKVT_IOC_RELEASE_BUF RKVT_IOWR(0x7, struct rkvt_buf_data)
// caller type
enum rkvt_caller_e {
RKVT_CALLER_PRODUCER,
RKVT_CALLER_CONSUMER,
RKVT_CALLER_BUTT,
};
// video tunnel caller control
enum rkvt_ctrl_cmd_e {
RKVT_CTRL_CONNECT,
RKVT_CTRL_DISCONNECT,
RKVT_CTRL_RESET,
RKVT_CTRL_HAS_CONSUMER,
RKVT_CTRL_BUTT,
};
struct rkvt_alloc_id_data {
int vt_id;
};
struct rkvt_ctrl_data {
int vt_id;
enum rkvt_caller_e caller;
enum rkvt_ctrl_cmd_e ctrl_cmd;
int ctrl_data;
};
struct rkvt_rect {
int left;
int top;
int right;
int bottom;
};
struct rkvt_buf_base {
int vt_id;
int fence_fd;
int buf_status;
int num_fds; /* number of file-descriptors at &data[0] */
int num_ints; /* number of ints at &data[numFds] */
int reserved;
int fds[MAX_BUF_HANDLE_FDS];
int ints[MAX_BUF_HANDLE_INTS];
int64_t priv_data;
uint64_t expected_present_time;
uint64_t buffer_id;
struct rkvt_rect crop;
};
struct rkvt_buf_data {
int vt_id;
int timeout_ms; /* 0: non block, negative: block, other: timeout ms */
struct rkvt_buf_base base;
};
#endif