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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* SPDX-License-Identifier: GPL-2.0+ */ /* * vsp1.h -- R-Car VSP1 API * * Copyright (C) 2015 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ #ifndef __MEDIA_VSP1_H__ #define __MEDIA_VSP1_H__ #include <linux/scatterlist.h> #include <linux/types.h> #include <linux/videodev2.h> struct device; int vsp1_du_init(struct device *dev); #define VSP1_DU_STATUS_COMPLETE BIT(0) #define VSP1_DU_STATUS_WRITEBACK BIT(1) /** * struct vsp1_du_lif_config - VSP LIF configuration * @width: output frame width * @height: output frame height * @interlaced: true for interlaced pipelines * @callback: frame completion callback function (optional). When a callback * is provided, the VSP driver guarantees that it will be called once * and only once for each vsp1_du_atomic_flush() call. * @callback_data: data to be passed to the frame completion callback */ struct vsp1_du_lif_config { unsigned int width; unsigned int height; bool interlaced; void (*callback)(void *data, unsigned int status, u32 crc); void *callback_data; }; int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, const struct vsp1_du_lif_config *cfg); /** * struct vsp1_du_atomic_config - VSP atomic configuration parameters * @pixelformat: plane pixel format (V4L2 4CC) * @pitch: line pitch in bytes for the first plane * @mem: DMA memory address for each plane of the frame buffer * @src: source rectangle in the frame buffer (integer coordinates) * @dst: destination rectangle on the display (integer coordinates) * @alpha: alpha value (0: fully transparent, 255: fully opaque) * @zpos: Z position of the plane (from 0 to number of planes minus 1) * @premult: true for premultiplied alpha */ struct vsp1_du_atomic_config { u32 pixelformat; unsigned int pitch; dma_addr_t mem[3]; struct v4l2_rect src; struct v4l2_rect dst; unsigned int alpha; unsigned int zpos; bool premult; }; /** * enum vsp1_du_crc_source - Source used for CRC calculation * @VSP1_DU_CRC_NONE: CRC calculation disabled * @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane * @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output */ enum vsp1_du_crc_source { VSP1_DU_CRC_NONE, VSP1_DU_CRC_PLANE, VSP1_DU_CRC_OUTPUT, }; /** * struct vsp1_du_crc_config - VSP CRC computation configuration parameters * @source: source for CRC calculation * @index: index of the CRC source plane (when source is set to plane) */ struct vsp1_du_crc_config { enum vsp1_du_crc_source source; unsigned int index; }; /** * struct vsp1_du_writeback_config - VSP writeback configuration parameters * @pixelformat: plane pixel format (V4L2 4CC) * @pitch: line pitch in bytes for the first plane * @mem: DMA memory address for each plane of the frame buffer */ struct vsp1_du_writeback_config { u32 pixelformat; unsigned int pitch; dma_addr_t mem[3]; }; /** * struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters * @crc: CRC computation configuration * @writeback: writeback configuration */ struct vsp1_du_atomic_pipe_config { struct vsp1_du_crc_config crc; struct vsp1_du_writeback_config writeback; }; void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index); int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, unsigned int rpf, const struct vsp1_du_atomic_config *cfg); void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index, const struct vsp1_du_atomic_pipe_config *cfg); int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); #endif /* __MEDIA_VSP1_H__ */ |