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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) 2013--2024 Intel Corporation */3 4#ifndef IPU6_ISYS_QUEUE_H5#define IPU6_ISYS_QUEUE_H6 7#include <linux/container_of.h>8#include <linux/atomic.h>9#include <linux/device.h>10#include <linux/list.h>11#include <linux/spinlock_types.h>12 13#include <media/videobuf2-v4l2.h>14 15#include "ipu6-fw-isys.h"16#include "ipu6-isys-video.h"17 18struct ipu6_isys_stream;19 20struct ipu6_isys_queue {21 struct vb2_queue vbq;22 struct list_head node;23 struct device *dev;24 /*25 * @lock: serialise access to queued and pre_streamon_queued26 */27 spinlock_t lock;28 struct list_head active;29 struct list_head incoming;30 unsigned int fw_output;31};32 33struct ipu6_isys_buffer {34 struct list_head head;35 atomic_t str2mmio_flag;36};37 38struct ipu6_isys_video_buffer {39 struct vb2_v4l2_buffer vb_v4l2;40 struct ipu6_isys_buffer ib;41};42 43#define IPU6_ISYS_BUFFER_LIST_FL_INCOMING BIT(0)44#define IPU6_ISYS_BUFFER_LIST_FL_ACTIVE BIT(1)45#define IPU6_ISYS_BUFFER_LIST_FL_SET_STATE BIT(2)46 47struct ipu6_isys_buffer_list {48 struct list_head head;49 unsigned int nbufs;50};51 52#define vb2_queue_to_isys_queue(__vb2) \53 container_of(__vb2, struct ipu6_isys_queue, vbq)54 55#define ipu6_isys_to_isys_video_buffer(__ib) \56 container_of(__ib, struct ipu6_isys_video_buffer, ib)57 58#define vb2_buffer_to_ipu6_isys_video_buffer(__vvb) \59 container_of(__vvb, struct ipu6_isys_video_buffer, vb_v4l2)60 61#define ipu6_isys_buffer_to_vb2_buffer(__ib) \62 (&ipu6_isys_to_isys_video_buffer(__ib)->vb_v4l2.vb2_buf)63 64void ipu6_isys_buffer_list_queue(struct ipu6_isys_buffer_list *bl,65 unsigned long op_flags,66 enum vb2_buffer_state state);67void68ipu6_isys_buf_to_fw_frame_buf(struct ipu6_fw_isys_frame_buff_set_abi *set,69 struct ipu6_isys_stream *stream,70 struct ipu6_isys_buffer_list *bl);71void72ipu6_isys_buf_calc_sequence_time(struct ipu6_isys_buffer *ib,73 struct ipu6_fw_isys_resp_info_abi *info);74void ipu6_isys_queue_buf_done(struct ipu6_isys_buffer *ib);75void ipu6_isys_queue_buf_ready(struct ipu6_isys_stream *stream,76 struct ipu6_fw_isys_resp_info_abi *info);77int ipu6_isys_queue_init(struct ipu6_isys_queue *aq);78#endif /* IPU6_ISYS_QUEUE_H */79