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 16 struct device; 17 struct ipu7_isys_stream; 18 struct ipu7_insys_resp; 19 struct ipu7_insys_buffset; 20 21 struct 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 31 struct ipu7_isys_buffer { 32 struct list_head head; 33 atomic_t str2mmio_flag; 34 }; 35 36 struct 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 46 struct 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 63 void ipu7_isys_buffer_list_queue(struct ipu7_isys_buffer_list *bl, 64 unsigned long op_flags, 65 enum vb2_buffer_state state); 66 void 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); 69 void ipu7_isys_queue_buf_ready(struct ipu7_isys_stream *stream, 70 struct ipu7_insys_resp *info); 71 int ipu7_isys_queue_init(struct ipu7_isys_queue *aq); 72 #endif /* IPU7_ISYS_QUEUE_H */ 73