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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2013--2024 Intel Corporation */
#ifndef IPU6_ISYS_QUEUE_H
#define IPU6_ISYS_QUEUE_H
#include <linux/container_of.h>
#include <linux/atomic.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/spinlock_types.h>
#include <media/videobuf2-v4l2.h>
#include "ipu6-fw-isys.h"
#include "ipu6-isys-video.h"
struct ipu6_isys_stream;
struct ipu6_isys_queue {
struct vb2_queue vbq;
struct list_head node;
struct device *dev;
/*
* @lock: serialise access to queued and pre_streamon_queued
*/
spinlock_t lock;
struct list_head active;
struct list_head incoming;
unsigned int fw_output;
};
struct ipu6_isys_buffer {
struct list_head head;
atomic_t str2mmio_flag;
};
struct ipu6_isys_video_buffer {
struct vb2_v4l2_buffer vb_v4l2;
struct ipu6_isys_buffer ib;
};
#define IPU6_ISYS_BUFFER_LIST_FL_INCOMING BIT(0)
#define IPU6_ISYS_BUFFER_LIST_FL_ACTIVE BIT(1)
#define IPU6_ISYS_BUFFER_LIST_FL_SET_STATE BIT(2)
struct ipu6_isys_buffer_list {
struct list_head head;
unsigned int nbufs;
};
#define vb2_queue_to_isys_queue(__vb2) \
container_of(__vb2, struct ipu6_isys_queue, vbq)
#define ipu6_isys_to_isys_video_buffer(__ib) \
container_of(__ib, struct ipu6_isys_video_buffer, ib)
#define vb2_buffer_to_ipu6_isys_video_buffer(__vvb) \
container_of(__vvb, struct ipu6_isys_video_buffer, vb_v4l2)
#define ipu6_isys_buffer_to_vb2_buffer(__ib) \
(&ipu6_isys_to_isys_video_buffer(__ib)->vb_v4l2.vb2_buf)
void ipu6_isys_buffer_list_queue(struct ipu6_isys_buffer_list *bl,
unsigned long op_flags,
enum vb2_buffer_state state);
void
ipu6_isys_buf_to_fw_frame_buf(struct ipu6_fw_isys_frame_buff_set_abi *set,
struct ipu6_isys_stream *stream,
struct ipu6_isys_buffer_list *bl);
void
ipu6_isys_buf_calc_sequence_time(struct ipu6_isys_buffer *ib,
struct ipu6_fw_isys_resp_info_abi *info);
void ipu6_isys_queue_buf_done(struct ipu6_isys_buffer *ib);
void ipu6_isys_queue_buf_ready(struct ipu6_isys_stream *stream,
struct ipu6_fw_isys_resp_info_abi *info);
int ipu6_isys_queue_init(struct ipu6_isys_queue *aq);
#endif /* IPU6_ISYS_QUEUE_H */
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