59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2020-2021 NXP
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*/
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#ifndef _AMPHION_VPU_V4L2_H
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#define _AMPHION_VPU_V4L2_H
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#include <linux/videodev2.h>
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void vpu_inst_lock(struct vpu_inst *inst);
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void vpu_inst_unlock(struct vpu_inst *inst);
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void vpu_set_buffer_state(struct vb2_v4l2_buffer *vbuf, unsigned int state);
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unsigned int vpu_get_buffer_state(struct vb2_v4l2_buffer *vbuf);
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int vpu_v4l2_open(struct file *file, struct vpu_inst *inst);
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int vpu_v4l2_close(struct file *file);
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const struct vpu_format *vpu_try_fmt_common(struct vpu_inst *inst, struct v4l2_format *f);
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int vpu_process_output_buffer(struct vpu_inst *inst);
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int vpu_process_capture_buffer(struct vpu_inst *inst);
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struct vb2_v4l2_buffer *vpu_next_src_buf(struct vpu_inst *inst);
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void vpu_skip_frame(struct vpu_inst *inst, int count);
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struct vb2_v4l2_buffer *vpu_find_buf_by_sequence(struct vpu_inst *inst, u32 type, u32 sequence);
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struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32 idx);
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void vpu_v4l2_set_error(struct vpu_inst *inst);
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int vpu_notify_eos(struct vpu_inst *inst);
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int vpu_notify_source_change(struct vpu_inst *inst);
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int vpu_set_last_buffer_dequeued(struct vpu_inst *inst, bool eos);
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void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state);
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int vpu_get_num_buffers(struct vpu_inst *inst, u32 type);
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bool vpu_is_source_empty(struct vpu_inst *inst);
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dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no);
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unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no);
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static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type)
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{
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if (V4L2_TYPE_IS_OUTPUT(type))
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return &inst->out_format;
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else
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return &inst->cap_format;
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}
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static inline char *vpu_type_name(u32 type)
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{
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return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture";
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}
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static inline int vpu_vb_is_codecconfig(struct vb2_v4l2_buffer *vbuf)
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{
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#ifdef V4L2_BUF_FLAG_CODECCONFIG
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return (vbuf->flags & V4L2_BUF_FLAG_CODECCONFIG) ? 1 : 0;
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#else
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return 0;
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#endif
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}
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#endif
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