1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright 2020-2021 NXP
4  */
5 
6 #ifndef _AMPHION_VPU_V4L2_H
7 #define _AMPHION_VPU_V4L2_H
8 
9 #include <linux/videodev2.h>
10 
11 void vpu_inst_lock(struct vpu_inst *inst);
12 void vpu_inst_unlock(struct vpu_inst *inst);
13 void vpu_set_buffer_state(struct vb2_v4l2_buffer *vbuf, unsigned int state);
14 unsigned int vpu_get_buffer_state(struct vb2_v4l2_buffer *vbuf);
15 
16 int vpu_v4l2_open(struct file *file, struct vpu_inst *inst);
17 int vpu_v4l2_close(struct file *file);
18 
19 u32 vpu_get_fmt_plane_size(struct vpu_format *fmt, u32 plane_no);
20 int vpu_try_fmt_common(struct vpu_inst *inst, struct v4l2_format *f, struct vpu_format *fmt);
21 int vpu_process_output_buffer(struct vpu_inst *inst);
22 int vpu_process_capture_buffer(struct vpu_inst *inst);
23 struct vb2_v4l2_buffer *vpu_next_src_buf(struct vpu_inst *inst);
24 void vpu_skip_frame(struct vpu_inst *inst, int count);
25 struct vb2_v4l2_buffer *vpu_find_buf_by_sequence(struct vpu_inst *inst, u32 type, u32 sequence);
26 struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32 idx);
27 void vpu_v4l2_set_error(struct vpu_inst *inst);
28 int vpu_notify_eos(struct vpu_inst *inst);
29 int vpu_notify_source_change(struct vpu_inst *inst);
30 int vpu_set_last_buffer_dequeued(struct vpu_inst *inst);
31 void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state);
32 int vpu_get_num_buffers(struct vpu_inst *inst, u32 type);
33 bool vpu_is_source_empty(struct vpu_inst *inst);
34 
35 dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no);
36 unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no);
37 static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type)
38 {
39 	if (V4L2_TYPE_IS_OUTPUT(type))
40 		return &inst->out_format;
41 	else
42 		return &inst->cap_format;
43 }
44 
45 static inline char *vpu_type_name(u32 type)
46 {
47 	return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture";
48 }
49 
50 static inline int vpu_vb_is_codecconfig(struct vb2_v4l2_buffer *vbuf)
51 {
52 #ifdef V4L2_BUF_FLAG_CODECCONFIG
53 	return (vbuf->flags & V4L2_BUF_FLAG_CODECCONFIG) ? 1 : 0;
54 #else
55 	return 0;
56 #endif
57 }
58 
59 #endif
60