200 int vpu_helper_copy_from_stream_buffer(struct vpu_buffer *stream_buffer,  in vpu_helper_copy_from_stream_buffer()  argument
208 	if (!stream_buffer || !rptr || !dst)  in vpu_helper_copy_from_stream_buffer()
215 	start = stream_buffer->phys;  in vpu_helper_copy_from_stream_buffer()
216 	end = start + stream_buffer->length;  in vpu_helper_copy_from_stream_buffer()
217 	virt = stream_buffer->virt;  in vpu_helper_copy_from_stream_buffer()
229 	*rptr = vpu_helper_step_walk(stream_buffer, offset, size);  in vpu_helper_copy_from_stream_buffer()
234 int vpu_helper_copy_to_stream_buffer(struct vpu_buffer *stream_buffer,  in vpu_helper_copy_to_stream_buffer()  argument
242 	if (!stream_buffer || !wptr || !src)  in vpu_helper_copy_to_stream_buffer()
249 	start = stream_buffer->phys;  in vpu_helper_copy_to_stream_buffer()
250 	end = start + stream_buffer->length;  in vpu_helper_copy_to_stream_buffer()
251 	virt = stream_buffer->virt;  in vpu_helper_copy_to_stream_buffer()
262 	*wptr = vpu_helper_step_walk(stream_buffer, offset, size);  in vpu_helper_copy_to_stream_buffer()
267 int vpu_helper_memset_stream_buffer(struct vpu_buffer *stream_buffer,  in vpu_helper_memset_stream_buffer()  argument
275 	if (!stream_buffer || !wptr)  in vpu_helper_memset_stream_buffer()
282 	start = stream_buffer->phys;  in vpu_helper_memset_stream_buffer()
283 	end = start + stream_buffer->length;  in vpu_helper_memset_stream_buffer()
284 	virt = stream_buffer->virt;  in vpu_helper_memset_stream_buffer()
297 		offset -= stream_buffer->length;  in vpu_helper_memset_stream_buffer()
352 int vpu_helper_find_startcode(struct vpu_buffer *stream_buffer,  in vpu_helper_find_startcode()  argument
361 	if (!stream_buffer || !stream_buffer->virt)  in vpu_helper_find_startcode()
374 		val = (val << 8) | vpu_helper_read_byte(stream_buffer, offset + i);  in vpu_helper_find_startcode()