1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-queue.h b/drivers/media/pci/intel/ipu6/ipu6-isys-queue.h
new file mode 100644
index 000000000000..844dfda15ab6
--- /dev/null
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-queue.h
@@ -0,0 +1,71 @@
+/* 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;
+	spinlock_t lock; /* Protects active and incoming lists */
+	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;
+	dma_addr_t dma_addr;
+};
+
+#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_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 */