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 void vpu_set_buffer_average_qp(struct vb2_v4l2_buffer *vbuf, u32 qp); 16 17 int vpu_v4l2_open(struct file *file, struct vpu_inst *inst); 18 int vpu_v4l2_close(struct file *file); 19 20 u32 vpu_get_fmt_plane_size(struct vpu_format *fmt, u32 plane_no); 21 int vpu_try_fmt_common(struct vpu_inst *inst, struct v4l2_format *f, struct vpu_format *fmt); 22 int vpu_process_output_buffer(struct vpu_inst *inst); 23 int vpu_process_capture_buffer(struct vpu_inst *inst); 24 struct vb2_v4l2_buffer *vpu_next_src_buf(struct vpu_inst *inst); 25 void vpu_skip_frame(struct vpu_inst *inst, int count); 26 struct vb2_v4l2_buffer *vpu_find_buf_by_sequence(struct vpu_inst *inst, u32 type, u32 sequence); 27 struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32 idx); 28 void vpu_v4l2_set_error(struct vpu_inst *inst); 29 int vpu_notify_eos(struct vpu_inst *inst); 30 int vpu_notify_source_change(struct vpu_inst *inst); 31 int vpu_set_last_buffer_dequeued(struct vpu_inst *inst, bool eos); 32 void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state); 33 int vpu_get_num_buffers(struct vpu_inst *inst, u32 type); 34 bool vpu_is_source_empty(struct vpu_inst *inst); 35 36 dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no); 37 unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no); 38 static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type) 39 { 40 if (V4L2_TYPE_IS_OUTPUT(type)) 41 return &inst->out_format; 42 else 43 return &inst->cap_format; 44 } 45 46 static inline char *vpu_type_name(u32 type) 47 { 48 return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture"; 49 } 50 51 static inline int vpu_vb_is_codecconfig(struct vb2_v4l2_buffer *vbuf) 52 { 53 #ifdef V4L2_BUF_FLAG_CODECCONFIG 54 return (vbuf->flags & V4L2_BUF_FLAG_CODECCONFIG) ? 1 : 0; 55 #else 56 return 0; 57 #endif 58 } 59 60 #endif 61