/**************************************************************************** * include/nuttx/fb.h * * Copyright (C) 2008-2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef _INCLUDE_NUTTX_FB_H #define _INCLUDE_NUTTX_FB_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include /**************************************************************************** * Pre-processor definitions ****************************************************************************/ /* Color format definitions. The pretty much define the color pixel processing * organization of the video controller. */ /* Monochrome Formats *******************************************************/ #define FB_FMT_Y4 0 /* BPP=4, 4-bit uncompressed greyscale */ #define FB_FMT_Y8 1 /* BPP=8, 8-bit uncompressed greyscale */ #define FB_FMT_Y16 2 /* BPP=16, 16-bit uncompressed greyscale */ #define FB_FMT_GREY FB_FMT_Y8 /* BPP=8 */ #define FB_FMT_Y800 FB_FMT_Y8 /* BPP=8 */ #define FB_ISMONO(f) ((f) >= FB_FMT_Y4) && (f) <= FB_FMT_Y16) /* RGB video formats ********************************************************/ /* Standard RGB */ #define FB_FMT_RGB1 3 /* BPP=1 */ #define FB_FMT_RGB4 4 /* BPP=4 */ #define FB_FMT_RGB8 5 /* BPP=8 RGB palette index */ #define FB_FMT_RGB8_332 6 /* BPP=8 R=3, G=3, B=2 */ #define FB_FMT_RGB12_444 7 /* BPP=12 R=4, G=4, B=4 */ #define FB_FMT_RGB16_555 8 /* BPP=16 R=5, G=5, B=5 (1 unused bit) */ #define FB_FMT_RGB16_565 9 /* BPP=16 R=6, G=6, B=5 */ #define FB_FMT_RGB24 10 /* BPP=24 */ #define FB_FMT_RGB32 11 /* BPP=32 */ /* Run length encoded RGB */ #define FB_FMT_RGBRLE4 12 /* BPP=4 */ #define FB_FMT_RGBRLE8 13 /* BPP=8 */ /* Raw RGB */ #define FB_FMT_RGBRAW 14 /* BPP=? */ /* Raw RGB with arbitrary sample packing within a pixel. Packing and precision * of R, G and B components is determined by bit masks for each. */ #define FB_FMT_RGBBTFLD16 15 /* BPP=16 */ #define FB_FMT_RGBBTFLD24 16 /* BPP=24 */ #define FB_FMT_RGBBTFLD32 17 /* BPP=32 */ #define FB_FMT_RGBA16 18 /* BPP=16 Raw RGB with alpha */ #define FB_FMT_RGBA32 19 /* BPP=32 Raw RGB with alpha */ /* Raw RGB with a transparency field. Layout is as for stanadard RGB at 16 and * 32 bits per pixel but the msb in each pixel indicates whether the pixel is * transparent or not. */ #define FB_FMT_RGBT16 20 /* BPP=16 */ #define FB_FMT_RGBT32 21 /* BPP=32 */ #define FB_ISRGB(f) ((f) >= FB_FMT_RGB1) && (f) <= FB_FMT_RGBT32) /* Packed YUV Formats *******************************************************/ #define FB_FMT_AYUV 22 /* BPP=32 Combined YUV and alpha */ #define FB_FMT_CLJR 23 /* BPP=8 4 pixels packed into a uint32_t. * YUV 4:1:1 with l< 8 bits per YUV sample */ #define FB_FMT_CYUV 24 /* BPP=16 UYVY except that height is reversed */ #define FB_FMT_IRAW 25 /* BPP=? Intel uncompressed YUV */ #define FB_FMT_IUYV 26 /* BPP=16 Interlaced UYVY (line order * 0,2,4,.., 1,3,5...) */ #define FB_FMT_IY41 27 /* BPP=12 Interlaced Y41P (line order * 0,2,4,.., 1,3,5...) */ #define FB_FMT_IYU2 28 /* BPP=24 */ #define FB_FMT_HDYC 29 /* BPP=16 UYVY except uses the BT709 color space */ #define FB_FMT_UYVP 30 /* BPP=24? YCbCr 4:2:2, 10-bits per component in U0Y0V0Y1 order */ #define FB_FMT_UYVY 31 /* BPP=16 YUV 4:2:2 */ #define FB_FMT_UYNV FB_FMT_UYVY /* BPP=16 */ #define FB_FMT_Y422 FB_FMT_UYVY /* BPP=16 */ #define FB_FMT_V210 32 /* BPP=32 10-bit 4:2:2 YCrCb */ #define FB_FMT_V422 33 /* BPP=16 Upside down version of UYVY */ #define FB_FMT_V655 34 /* BPP=16? 16-bit YUV 4:2:2 */ #define FB_FMT_VYUY 35 /* BPP=? ATI Packed YUV Data */ #define FB_FMT_YUYV 36 /* BPP=16 YUV 4:2:2 */ #define FB_FMT_YUY2 FB_FMT_YUYV /* BPP=16 YUV 4:2:2 */ #define FB_FMT_YUNV FB_FMT_YUYV /* BPP=16 YUV 4:2:2 */ #define FB_FMT_YVYU 37 /* BPP=16 YUV 4:2:2 */ #define FB_FMT_Y41P 38 /* BPP=12 YUV 4:1:1 */ #define FB_FMT_Y411 39 /* BPP=12 YUV 4:1:1 */ #define FB_FMT_Y211 40 /* BPP=8 */ #define FB_FMT_Y41T 41 /* BPP=12 Y41P LSB for transparency */ #define FB_FMT_Y42T 42 /* BPP=16 UYVY LSB for transparency */ #define FB_FMT_YUVP 43 /* BPP=24? YCbCr 4:2:2 Y0U0Y1V0 order */ #define FB_ISYUVPACKED(f) ((f) >= FB_FMT_AYUV) && (f) <= FB_FMT_YUVP) /* Packed Planar YUV Formats ************************************************/ #define FB_FMT_YVU9 44 /* BPP=9 8-bit Y followed by 8-bit 4x4 VU */ #define FB_FMT_YUV9 45 /* BPP=9? */ #define FB_FMT_IF09 46 /* BPP=9.5 YVU9 + 4x4 plane of delta relative to tframe. */ #define FB_FMT_YV16 47 /* BPP=16 8-bit Y followed by 8-bit 2x1 VU */ #define FB_FMT_YV12 48 /* BPP=12 8-bit Y followed by 8-bit 2x2 VU */ #define FB_FMT_I420 49 /* BPP=12 8-bit Y followed by 8-bit 2x2 UV */ #define FB_FMT_IYUV FB_FMT_I420 /* BPP=12 */ #define FB_FMT_NV12 50 /* BPP=12 8-bit Y followed by an interleaved 2x2 UV */ #define FB_FMT_NV21 51 /* BPP=12 NV12 with UV reversed */ #define FB_FMT_IMC1 52 /* BPP=12 YV12 except UV planes ame stride as Y */ #define FB_FMT_IMC2 53 /* BPP=12 IMC1 except UV lines interleaved at half stride boundaries */ #define FB_FMT_IMC3 54 /* BPP=12 As IMC1 except that UV swapped */ #define FB_FMT_IMC4 55 /* BPP=12 As IMC2 except that UV swapped */ #define FB_FMT_CLPL 56 /* BPP=12 YV12 but including a level of indirection. */ #define FB_FMT_Y41B 57 /* BPP=12? 4:1:1 planar. */ #define FB_FMT_Y42B 58 /* BPP=16? YUV 4:2:2 planar. */ #define FB_FMT_CXY1 59 /* BPP=12 */ #define FB_FMT_CXY2 60 /* BPP=16 */ #define FB_ISYUVPLANAR(f) ((f) >= FB_FMT_AYUV) && (f) <= FB_FMT_YUVP) #define FB_ISYUV(f) (FB_ISYUVPACKED(f) || FB_ISYUVPLANAR(f)) /* Hardware cursor control **************************************************/ #ifdef CONFIG_FB_HWCURSOR #define FB_CUR_ENABLE 0x01 /* Enable the cursor */ #define FB_CUR_SETIMAGE 0x02 /* Set the cursor image */ #define FB_CUR_SETPOSITION 0x04 /* Set the position of the cursor */ #define FB_CUR_SETSIZE 0x08 /* Set the size of the cursor */ #define FB_CUR_XOR 0x10 /* Use XOR vs COPY ROP on image */ #endif /**************************************************************************** * Public Types ****************************************************************************/ /* If any dimension of the display exceeds 65,536 pixels, then the following * type will need to change: */ typedef uint16_t fb_coord_t; /* This structure describes the overall video controller */ struct fb_videoinfo_s { uint8_t fmt; /* see FB_FMT_* */ fb_coord_t xres; /* Horizontal resolution in pixel columns */ fb_coord_t yres; /* Vertical resolution in pixel rows */ uint8_t nplanes; /* Number of color planes supported */ }; /* This structure describes one color plane. Some YUV formats may support * up to 4 planes */ struct fb_planeinfo_s { FAR void *fbmem; /* Start of frame buffer memory */ uint32_t fblen; /* Length of frame buffer memory in bytes */ fb_coord_t stride; /* Length of a line in bytes */ uint8_t bpp; /* Bits per pixel */ }; /* On video controllers that support mapping of a pixel palette value * to an RGB encoding, the following structure may be used to define * that mapping. */ #ifdef CONFIG_FB_CMAP struct fb_cmap_s { uint16_t first; /* Offset offset first color entry in tables */ uint16_t len; /* Number of color entries in tables */ /* Tables of color component. Any may be NULL if not used */ uint8_t *red; /* Table of 8-bit red values */ uint8_t *green; /* Table of 8-bit green values */ uint8_t *blue; /* Table of 8-bit blue values */ #ifdef CONFIG_FB_TRANSPARENCY uint8_t *transp; /* Table of 8-bit transparency */ #endif }; #endif /* If the video controller hardware supports a hardware cursor and * that hardware cursor supports user-provided images, then the * following structure may be used to provide the cursor image */ #ifdef CONFIG_FB_HWCURSOR #ifdef CONFIG_FB_HWCURSORIMAGE struct fb_cursorimage_s { fb_coord_t width; /* Width of the cursor image in pixels */ fb_coord_t height /* Height of the curor image in pixels */ const uint8_t *image; /* Pointer to image data */ }; #endif /* The following structure defines the cursor position/size */ struct fb_cursorpos_s { fb_coord_t x; /* X position in pixels */ fb_coord_t y; /* Y position in rows */ }; /* If the hardware supports setting the cursor size, then this structure * is used to provide the size. */ #ifdef CONFIG_FB_HWCURSORSIZE struct fb_cursorsize_s { fb_coord_t h; /* Height in rows */ fb_coord_t w; /* Width in pixels */ }; #endif /* The following is used to get the cursor attributes */ struct fb_cursorattrib_s { #ifdef CONFIG_FB_HWCURSORIMAGE uint8_t fmt; /* Video format of cursor */ #endif struct fb_cursorpos_s pos; /* Current cursor position */ #ifdef CONFIG_FB_HWCURSORSIZE struct fb_cursorsize_s mxsize; /* Maximum cursor size */ struct fb_cursorsize_s size; /* Current size */ #endif }; struct fb_setcursor_s { uint8_t flags; /* See FB_CUR_* definitions */ struct fb_cursorpos_s pos; /* Cursor position */ #ifdef CONFIG_FB_HWCURSORSIZE struct fb_cursorsize_s size; /* Cursor size */ #endif #ifdef CONFIG_FB_HWCURSORIMAGE struct fb_cursorimage_s img; /* Cursor image */ #endif }; #endif /* The framebuffer "driver" under NuttX is not a driver at all, but simply * a driver "object" that is accessed through the following vtable: */ struct fb_vtable_s { /* Get information about the video controller configuration and the configuration * of each color plane. */ int (*getvideoinfo)(FAR struct fb_vtable_s *vtable, FAR struct fb_videoinfo_s *vinfo); int (*getplaneinfo)(FAR struct fb_vtable_s *vtable, int planeno, FAR struct fb_planeinfo_s *pinfo); /* The following are provided only if the video hardware supports RGB color mapping */ #ifdef CONFIG_FB_CMAP int (*getcmap)(FAR struct fb_vtable_s *vtable, FAR struct fb_cmap_s *cmap); int (*putcmap)(FAR struct fb_vtable_s *vtable, FAR const struct fb_cmap_s *cmap); #endif /* The following are provided only if the video hardware supports a hardware cursor */ #ifdef CONFIG_FB_HWCURSOR int (*getcursor)(FAR struct fb_vtable_s *vtable, FAR struct fb_cursorattrib_s *attrib); int (*setcursor)(FAR struct fb_vtable_s *vtable, FAR struct fb_setcursor_s *settings); #endif }; #endif /* _INCLUDE_NUTTX_FB_H */