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