ipu7-isys-queue.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2013 - 2025 Intel Corporation
 4 */
 5
 6#ifndef IPU7_ISYS_QUEUE_H
 7#define IPU7_ISYS_QUEUE_H
 8
 9#include <linux/atomic.h>
10#include <linux/container_of.h>
11#include <linux/list.h>
12#include <linux/spinlock_types.h>
13
14#include <media/videobuf2-v4l2.h>
15
16struct device;
17struct ipu7_isys_stream;
18struct ipu7_insys_resp;
19struct ipu7_insys_buffset;
20
21struct ipu7_isys_queue {
22	struct vb2_queue vbq;
23	struct list_head node;
24	struct device *dev;
25	spinlock_t lock;
26	struct list_head active;
27	struct list_head incoming;
28	unsigned int fw_output;
29};
30
31struct ipu7_isys_buffer {
32	struct list_head head;
33	atomic_t str2mmio_flag;
34};
35
36struct ipu7_isys_video_buffer {
37	struct vb2_v4l2_buffer vb_v4l2;
38	struct ipu7_isys_buffer ib;
39	dma_addr_t dma_addr;
40};
41
42#define IPU_ISYS_BUFFER_LIST_FL_INCOMING	BIT(0)
43#define IPU_ISYS_BUFFER_LIST_FL_ACTIVE	BIT(1)
44#define IPU_ISYS_BUFFER_LIST_FL_SET_STATE	BIT(2)
45
46struct ipu7_isys_buffer_list {
47	struct list_head head;
48	unsigned int nbufs;
49};
50
51#define vb2_queue_to_isys_queue(__vb2)				\
52	container_of(__vb2, struct ipu7_isys_queue, vbq)
53
54#define ipu7_isys_to_isys_video_buffer(__ib)			\
55	container_of(__ib, struct ipu7_isys_video_buffer, ib)
56
57#define vb2_buffer_to_ipu7_isys_video_buffer(__vvb)			\
58	container_of(__vvb, struct ipu7_isys_video_buffer, vb_v4l2)
59
60#define ipu7_isys_buffer_to_vb2_buffer(__ib)				\
61	(&ipu7_isys_to_isys_video_buffer(__ib)->vb_v4l2.vb2_buf)
62
63void ipu7_isys_buffer_list_queue(struct ipu7_isys_buffer_list *bl,
64				 unsigned long op_flags,
65				 enum vb2_buffer_state state);
66void ipu7_isys_buffer_to_fw_frame_buff(struct ipu7_insys_buffset *set,
67				       struct ipu7_isys_stream *stream,
68				       struct ipu7_isys_buffer_list *bl);
69void ipu7_isys_queue_buf_ready(struct ipu7_isys_stream *stream,
70			       struct ipu7_insys_resp *info);
71int ipu7_isys_queue_init(struct ipu7_isys_queue *aq);
72#endif /* IPU7_ISYS_QUEUE_H */