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 const struct vpu_format *vpu_try_fmt_common(struct vpu_inst *inst, struct v4l2_format *f);
20 int vpu_process_output_buffer(struct vpu_inst *inst);
21 int vpu_process_capture_buffer(struct vpu_inst *inst);
22 struct vb2_v4l2_buffer *vpu_next_src_buf(struct vpu_inst *inst);
23 void vpu_skip_frame(struct vpu_inst *inst, int count);
24 struct vb2_v4l2_buffer *vpu_find_buf_by_sequence(struct vpu_inst *inst, u32 type, u32 sequence);
25 struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32 idx);
26 void vpu_v4l2_set_error(struct vpu_inst *inst);
27 int vpu_notify_eos(struct vpu_inst *inst);
28 int vpu_notify_source_change(struct vpu_inst *inst);
29 int vpu_set_last_buffer_dequeued(struct vpu_inst *inst);
30 void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state);
31 int vpu_get_num_buffers(struct vpu_inst *inst, u32 type);
32 bool vpu_is_source_empty(struct vpu_inst *inst);
33
34 dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no);
35 unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no);
vpu_get_format(struct vpu_inst * inst,u32 type)36 static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type)
37 {
38 if (V4L2_TYPE_IS_OUTPUT(type))
39 return &inst->out_format;
40 else
41 return &inst->cap_format;
42 }
43
vpu_type_name(u32 type)44 static inline char *vpu_type_name(u32 type)
45 {
46 return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture";
47 }
48
vpu_vb_is_codecconfig(struct vb2_v4l2_buffer * vbuf)49 static inline int vpu_vb_is_codecconfig(struct vb2_v4l2_buffer *vbuf)
50 {
51 #ifdef V4L2_BUF_FLAG_CODECCONFIG
52 return (vbuf->flags & V4L2_BUF_FLAG_CODECCONFIG) ? 1 : 0;
53 #else
54 return 0;
55 #endif
56 }
57
58 #endif
59