1 /* 2 * vsp1.h -- R-Car VSP1 API 3 * 4 * Copyright (C) 2015 Renesas Electronics Corporation 5 * 6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 #ifndef __MEDIA_VSP1_H__ 14 #define __MEDIA_VSP1_H__ 15 16 #include <linux/scatterlist.h> 17 #include <linux/types.h> 18 #include <linux/videodev2.h> 19 20 struct device; 21 22 int vsp1_du_init(struct device *dev); 23 24 /** 25 * struct vsp1_du_lif_config - VSP LIF configuration 26 * @width: output frame width 27 * @height: output frame height 28 * @callback: frame completion callback function (optional). When a callback 29 * is provided, the VSP driver guarantees that it will be called once 30 * and only once for each vsp1_du_atomic_flush() call. 31 * @callback_data: data to be passed to the frame completion callback 32 */ 33 struct vsp1_du_lif_config { 34 unsigned int width; 35 unsigned int height; 36 37 void (*callback)(void *); 38 void *callback_data; 39 }; 40 41 int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg); 42 43 struct vsp1_du_atomic_config { 44 u32 pixelformat; 45 unsigned int pitch; 46 dma_addr_t mem[3]; 47 struct v4l2_rect src; 48 struct v4l2_rect dst; 49 unsigned int alpha; 50 unsigned int zpos; 51 }; 52 53 void vsp1_du_atomic_begin(struct device *dev); 54 int vsp1_du_atomic_update(struct device *dev, unsigned int rpf, 55 const struct vsp1_du_atomic_config *cfg); 56 void vsp1_du_atomic_flush(struct device *dev); 57 int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); 58 void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); 59 60 #endif /* __MEDIA_VSP1_H__ */ 61