From 57e26b8fca539db14184df71466e6a5a070db9a8 Mon Sep 17 00:00:00 2001 From: hongbochen Date: Thu, 29 Oct 2015 16:47:41 +0800 Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E6=B5=8B=E8=AF=95=E5=8A=A8?= =?UTF-8?q?=E6=80=81=E6=95=88=E6=9E=9C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- fb1/fb.h~ | 1238 --------------------------------------------- fb2/fbtool.c~ | 107 ---- fb2/fbtool.h~ | 41 -- fb2/test.c~ | 34 -- fb3/fbtool.c~ | 133 ----- fb3/fbtool.h~ | 41 -- fb3/test.c~ | 38 -- fb4-fix/fbtool.c~ | 107 ---- fb4-fix/fbtool.h~ | 41 -- fb4-fix/test.c~ | 34 -- fb5/Makefile~ | 4 - fb5/fbtool.c~ | 226 --------- fb5/fbtool.h~ | 80 --- fb5/test.c~ | 109 ---- fb6/Makefile~ | 4 - fb6/color.h~ | 47 -- fb6/fbtool.c~ | 358 ------------- fb6/fbtool.h~ | 326 ------------ fb6/test.c~ | 125 ----- 19 files changed, 3093 deletions(-) delete mode 100644 fb1/fb.h~ delete mode 100644 fb2/fbtool.c~ delete mode 100644 fb2/fbtool.h~ delete mode 100644 fb2/test.c~ delete mode 100644 fb3/fbtool.c~ delete mode 100644 fb3/fbtool.h~ delete mode 100644 fb3/test.c~ delete mode 100644 fb4-fix/fbtool.c~ delete mode 100644 fb4-fix/fbtool.h~ delete mode 100644 fb4-fix/test.c~ delete mode 100644 fb5/Makefile~ delete mode 100644 fb5/fbtool.c~ delete mode 100644 fb5/fbtool.h~ delete mode 100644 fb5/test.c~ delete mode 100644 fb6/Makefile~ delete mode 100644 fb6/color.h~ delete mode 100644 fb6/fbtool.c~ delete mode 100644 fb6/fbtool.h~ delete mode 100644 fb6/test.c~ diff --git a/fb1/fb.h~ b/fb1/fb.h~ deleted file mode 100644 index 58f307d..0000000 --- a/fb1/fb.h~ +++ /dev/null @@ -1,1238 +0,0 @@ -#ifndef _LINUX_FB_H -#define _LINUX_FB_H - -#include -#include - -struct dentry; - -/* Definitions of frame buffers frame buffer的定义 */ - -#define FB_MAX 32 /* sufficient for now  对于现在来说足够了 */ - -/* ioctls - 0x46 is 'F' */ -#define FBIOGET_VSCREENINFO 0x4600 -#define FBIOPUT_VSCREENINFO 0x4601 -#define FBIOGET_FSCREENINFO 0x4602 -#define FBIOGETCMAP 0x4604 -#define FBIOPUTCMAP 0x4605 -#define FBIOPAN_DISPLAY 0x4606 -#ifdef __KERNEL__ -#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) -#else -#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) -#endif -/* 0x4607-0x460B are defined below */ -/* #define FBIOGET_MONITORSPEC 0x460C */ -/* #define FBIOPUT_MONITORSPEC 0x460D */ -/* #define FBIOSWITCH_MONIBIT 0x460E */ -#define FBIOGET_CON2FBMAP 0x460F -#define FBIOPUT_CON2FBMAP 0x4610 -#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ -#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) -#define FBIO_ALLOC 0x4613 -#define FBIO_FREE 0x4614 -#define FBIOGET_GLYPH 0x4615 -#define FBIOGET_HWCINFO 0x4616 -#define FBIOPUT_MODEINFO 0x4617 -#define FBIOGET_DISPINFO 0x4618 - - -#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels 填充的像素 */ -#define FB_TYPE_PLANES 1 /* Non interleaved planes 非交错平面 */ -#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes 交错的平面 */ -#define FB_TYPE_TEXT 3 /* Text/attributes 文本/属性 */ -#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes EGA/VGA 平面 */ - -#define FB_AUX_TEXT_MDA 0 /* Monochrome text 单色文本 */ -#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text CGA/EGA/VGA色彩文本 */ -#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ -#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ -#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ -#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ -#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ -#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ -#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ -#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ -#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ -#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ - -#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ -#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ -#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ - -#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White  1=黑色,2=白色*/ -#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black 1=白色,2=黑色*/ -#define FB_VISUAL_TRUECOLOR 2 /* True color 真实的颜色 */ -#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) 伪颜色*/ -#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color 直接颜色 */ -#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly 只读伪颜色*/ - -#define FB_ACCEL_NONE 0 /* no hardware accelerator 没有硬件加速 */ -#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ -#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ -#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ -#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ -#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ -#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ -#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ -#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ -#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ -#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ -#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ -#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ -#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ -#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ -#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ -#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ -#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ -#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ -#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ -#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ -#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ -#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ -#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ -#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ -#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ -#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ -#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ -#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ -#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ -#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ -#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ -#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ -#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ -#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ -#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ -#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ -#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ -#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ -#define FB_ACCEL_I810 39 /* Intel 810/815 */ -#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ -#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ -#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ -#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ -#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ -#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ -#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ -#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ -#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ -#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ -#define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ -#define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ -#define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ -#define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ -#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ -#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ -#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ -#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ -#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ -#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ -#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ -#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ -#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ -#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ -#define FB_ACCEL_PXA3XX 99 /* PXA3xx */ - -#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ -#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ -#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ -#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ -#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ -#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ -#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ -#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ -#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ -#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ -#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ -#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ -#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ -#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ -#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ - - -/** - * 该结构体用于描述显卡自身的属性 - * 包括识别符,缓存地址,显卡类型等 - * - */ -struct fb_fix_screeninfo { - char id[16]; /* identification string eg "TT Builtin" 标识符字符串*/ - unsigned long smem_start; /* Start of frame buffer mem  frame buffer所占内存的开始地址 */ - /* (physical address) 这里说的是物理地址 */ - __u32 smem_len; /* Length of frame buffer mem frame buffer所占内存的长度 */ - __u32 type; /* see FB_TYPE_* 查看FB_BYTE_* */ - __u32 type_aux; /* Interleave for interleaved Planes 交织交错的平面 */ - __u32 visual; /* see FB_VISUAL_* 查看FB_VISUAL_* */ - __u16 xpanstep; /* zero if no hardware panning 如何没有硬件支持的话为0 */ - __u16 ypanstep; /* zero if no hardware panning 如果没有硬件支持的话为0*/ - __u16 ywrapstep; /* zero if no hardware ywrap 如果没有硬件ywrap的话为0 */ - __u32 line_length; /* length of a line in bytes 一行的长度,以byte为单位 */ - unsigned long mmio_start; /* Start of Memory Mapped I/O 映射到I/O的内存的开始地址 */ - /* (physical address) 物理地址*/ - __u32 mmio_len; /* Length of Memory Mapped I/O 映射到I/O的内存长度*/ - __u32 accel; /* Indicate to driver which 指示到驱动程序 */ - /* specific chip/card we have 特别是我们拥有的芯片/卡*/ - __u16 reserved[3]; /* Reserved for future compatibility 为后来的兼容性保留*/ -}; - -/* Interpretation of offset for color fields: All offsets are from the right, - * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you - * can use the offset as right argument to <<). A pixel afterwards is a bit - * stream and is written to video memory as that unmodified. - * - * 色域偏移的解释:所有的偏移量都来自于右边,在一个"像素"值里面,实际上是'bits_per_pixel' - * 的宽度(也就是说:你可以使用该偏移量作为 << 的右参数).一个像素之后是一个位流,并且 - * 作为未被修改而被写到视频内存中. - * - * For pseudocolor: offset and length should be the same for all color - * components. Offset specifies the position of the least significant bit - * of the pallette index in a pixel value. Length indicates the number - * of available palette entries (i.e. # of entries = 1 << length). - * - * 对于伪色彩来说:对于所有的颜色部分,偏移量和长度应该是相同的.偏移量指定了 - * 在一个像素值里的调色板索引的最低有效位的位置.长度指明了可用的调色板入口的 - * 数量. - */  -struct fb_bitfield { - __u32 offset; /* 位域的开始 */ - __u32 length; /* length of bitfield 位域的长度 */ - __u32 msb_right; /* != 0 : Most significant bit is 不等于0,大多数重要的位是右边的 */ - /* right */ -}; - -#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) 保持和修改 */ -#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed 在每一个字节中的像素的顺序被保留下来 */ - -#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl) 立即设定颜色 */ -#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open 在下一个打开的时候激活 */ -#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible 不设置 */ -#define FB_ACTIVATE_MASK 15 - /* values */ -#define FB_ACTIVATE_VBL 16 /* activate values on next vbl 在下一个vbl的时候激活值 */ -#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl 在vbl的时候改变色彩映射 */ -#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb 在这个fb中改变所有的VC */ -#define FB_ACTIVATE_FORCE 128 /* force apply even when no change */ -#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode 即使在没有改变无效视频模式的时候强制应用 */ - -#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode 已过时 */ - -#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active 高活性水平同步 */ -#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active 高活性垂直同步 */ -#define FB_SYNC_EXT 4 /* external sync 外部同步 */ -#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active 高活性复合同步  */ -#define FB_SYNC_BROADCAST 16 /* broadcast video timings 广播视频时序 */ - /* vtotal = 144d/288n/576i => PAL */ - /* vtotal = 121d/242n/484i => NTSC */ -#define FB_SYNC_ON_GREEN 32 /* sync on green 在绿色下同步 */ - -#define FB_VMODE_NONINTERLACED 0 /* non interlaced 非交错模式 */ -#define FB_VMODE_INTERLACED 1 /* interlaced 交错模式 */ -#define FB_VMODE_DOUBLE 2 /* double scan 双扫描模式 */ -#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first 交错的:顶行优先 */ -#define FB_VMODE_MASK 255 - -#define FB_VMODE_YWRAP 256 /* ywrap instead of panning ywrap而不是panning */ -#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) 平滑的xpan(内部使用) */ -#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset 不要更新 x/yoffset*/ - -/* - * Display rotation support - * - * 旋转支持显示 - */ -#define FB_ROTATE_UR 0 -#define FB_ROTATE_CW 1 -#define FB_ROTATE_UD 2 -#define FB_ROTATE_CCW 3 - -#define PICOS2KHZ(a) (1000000000UL/(a)) -#define KHZ2PICOS(a) (1000000000UL/(a)) - -/** - * 用于描述显卡的一般特性,比如实际分辨率,虚拟分辨率,实际分辨率和虚拟 - * 分辨率之间的位移等 - */ -struct fb_var_screeninfo { - __u32 xres; /* visible resolution 可见解析度 */ - __u32 yres; - __u32 xres_virtual; /* virtual resolution 虚拟解析度 */ - __u32 yres_virtual; - __u32 xoffset; /* offset from virtual to visible 虚拟到可见的偏移量 */ - __u32 yoffset; /* resolution */ - - __u32 bits_per_pixel; /* guess what BPP : 每个像素的位数 */ - __u32 grayscale; /* != 0 Graylevels instead of colors !=0指灰度而不是颜色 */ - - //如果是真实的颜色的话表示在fb内存中的位域,如果不是颜色的话,仅仅就是长度 - //在这里保存的是fb缓存的R/G/B位域 - struct fb_bitfield red; /* bitfield in fb mem if true color, */ - struct fb_bitfield green; /* else only length is significant */ - struct fb_bitfield blue; - struct fb_bitfield transp; /* transparency 透明度 */ - - __u32 nonstd; /* != 0 Non standard pixel format !=0 非标准像素格式 */ - - __u32 activate; /* see FB_ACTIVATE_* 查看FB_ACTIVATE_* */ - - __u32 height; /* height of picture in mm 在内存中图片的高度 */ - __u32 width; /* width of picture in mm 在内存中图片的宽度 */ - - __u32 accel_flags; /* (OBSOLETE) see fb_info.flags 已过时*/ - - /* Timing: All values in pixclocks, except pixclock (of course) */ - /* 除了pixclock本身外,其他的都已pixclock为单位*/ - __u32 pixclock; /* pixel clock in ps (pico seconds) 像素时钟(皮秒)*/ - __u32 left_margin; /* time from sync to picture 行切换:从绘图到同步之间的延迟 */ - __u32 right_margin; /* time from picture to sync 行切换:从绘图到同步之间的延迟 */ - __u32 upper_margin; /* time from sync to picture 帧切换:从同步到绘图之间的延迟 */ - __u32 lower_margin;     // 帧切换,从绘图到同步之间的延迟  - __u32 hsync_len; /* length of horizontal sync 水平同步的长度 */ - __u32 vsync_len; /* length of vertical sync 垂直同步的长度 */ - __u32 sync; /* see FB_SYNC_* 查看FB_SYNC_* */ - __u32 vmode; /* see FB_VMODE_* 查看 FB_VMODE_* */ - __u32 rotate; /* angle we rotate counter clockwise 顺时针旋转的角度 */ - __u32 reserved[5]; /* Reserved for future compatibility 保留 */ -}; - -/** - * 用于描述设备无关的颜色映射信息 - */ -struct fb_cmap { - __u32 start; /* First entry 第一个元素入口 */ - __u32 len; /* Number of entries 元素的数量*/ - //R,G,B,透明度 - __u16 *red; /* Red values */ - __u16 *green; - __u16 *blue; - __u16 *transp; /* transparency, can be NULL 透明度,可以为空 */ -}; - -struct fb_con2fbmap { - __u32 console; - __u32 framebuffer; -}; - -/* VESA Blanking Levels */ -#define VESA_NO_BLANKING 0 -#define VESA_VSYNC_SUSPEND 1 -#define VESA_HSYNC_SUSPEND 2 -#define VESA_POWERDOWN 3 - - -enum { - /* screen: unblanked, hsync: on, vsync: on */ - FB_BLANK_UNBLANK = VESA_NO_BLANKING, - - /* screen: blanked, hsync: on, vsync: on */ - FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, - - /* screen: blanked, hsync: on, vsync: off */ - FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, - - /* screen: blanked, hsync: off, vsync: on */ - FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, - - /* screen: blanked, hsync: off, vsync: off */ - FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 -}; - -#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ -#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ -#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ -#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ -#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ -#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ -#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ -#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ -#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ - -struct fb_vblank { - __u32 flags; /* FB_VBLANK flags FB_VBLANK标志 */ - __u32 count; /* counter of retraces since boot 启动之后追溯的次数 */ - __u32 vcount; /* current scanline position 当前扫描行位置 */ - __u32 hcount; /* current scandot position 当前扫描点位置 */ - __u32 reserved[4]; /* reserved for future compatibility 保留 */ -}; - -/* Internal HW accel 内部硬件加速 */ -#define ROP_COPY 0 -#define ROP_XOR 1 - -//复制区域  -struct fb_copyarea { - __u32 dx; - __u32 dy; - __u32 width; - __u32 height; - __u32 sx; - __u32 sy; -}; - -//回执矩形 -struct fb_fillrect { - __u32 dx; /* screen-relative 屏幕相关 */ - __u32 dy; - __u32 width; - __u32 height; - __u32 color; - __u32 rop; -}; - -struct fb_image { - __u32 dx; /* Where to place image 图像放在哪里 */ - __u32 dy; - __u32 width; /* Size of image 图像的宽度和高度 */ - __u32 height; - __u32 fg_color; /* Only used when a mono bitmap 仅仅是单色图像的时候使用 */ - __u32 bg_color; - __u8 depth; /* Depth of the image 图像的深度 */ - const char *data; /* Pointer to image data 指向图像数据的指针 */ - struct fb_cmap cmap; /* color map info 颜色映射信息 */ -}; - -/* - * hardware cursor control - * 硬件光标控制  - */ - -#define FB_CUR_SETIMAGE 0x01 -#define FB_CUR_SETPOS 0x02 -#define FB_CUR_SETHOT 0x04 -#define FB_CUR_SETCMAP 0x08 -#define FB_CUR_SETSHAPE 0x10 -#define FB_CUR_SETSIZE 0x20 -#define FB_CUR_SETALL 0xFF - -// 光标位置  -struct fbcurpos { - __u16 x, y; -}; - -struct fb_cursor { - __u16 set; /* what to set 设置成什么 */ - __u16 enable; /* cursor on/off 光标打开/关闭 */ - __u16 rop; /* bitop operation 位操作 */ - const char *mask; /* cursor mask bits 光标掩码位 */ - struct fbcurpos hot; /* cursor hot spot 光标热点 */ - struct fb_image image; /* Cursor image 光标图像 */ -}; - -#ifdef CONFIG_FB_BACKLIGHT -/* Settings for the generic backlight code */ -#define FB_BACKLIGHT_LEVELS 128 -#define FB_BACKLIGHT_MAX 0xFF -#endif - -#ifdef __KERNEL__ - -#include -#include -#include -#include -#include -#include -#include -#include - -struct vm_area_struct; -struct fb_info; -struct device; -struct file; - -/* Definitions below are used in the parsed monitor specs */ -#define FB_DPMS_ACTIVE_OFF 1 -#define FB_DPMS_SUSPEND 2 -#define FB_DPMS_STANDBY 4 - -#define FB_DISP_DDI 1 -#define FB_DISP_ANA_700_300 2 -#define FB_DISP_ANA_714_286 4 -#define FB_DISP_ANA_1000_400 8 -#define FB_DISP_ANA_700_000 16 - -#define FB_DISP_MONO 32 -#define FB_DISP_RGB 64 -#define FB_DISP_MULTI 128 -#define FB_DISP_UNKNOWN 256 - -#define FB_SIGNAL_NONE 0 -#define FB_SIGNAL_BLANK_BLANK 1 -#define FB_SIGNAL_SEPARATE 2 -#define FB_SIGNAL_COMPOSITE 4 -#define FB_SIGNAL_SYNC_ON_GREEN 8 -#define FB_SIGNAL_SERRATION_ON 16 - -#define FB_MISC_PRIM_COLOR 1 -#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred 第一次详细的时间是首选 */ - -struct fb_chroma { - __u32 redx; /* in fraction of 1024 1024的一小部分 */ - __u32 greenx; - __u32 bluex; - __u32 whitex; - __u32 redy; - __u32 greeny; - __u32 bluey; - __u32 whitey; -}; - -struct fb_monspecs { - struct fb_chroma chroma; - struct fb_videomode *modedb; /* mode database 模式数据库 */ - __u8 manufacturer[4]; /* Manufacturer 制造商 */ - __u8 monitor[14]; /* Monitor String 监视字符串 */ - __u8 serial_no[14]; /* Serial Number 序列号 */ - __u8 ascii[14]; /* ? */ - __u32 modedb_len; /* mode database length 模式数据库长度 */ - __u32 model; /* Monitor Model 监视模型 */ - __u32 serial; /* Serial Number - Integer 序列号-整数 */ - __u32 year; /* Year manufactured 制造年*/ - __u32 week; /* Week Manufactured 制造周 */ - __u32 hfmin; /* hfreq lower limit (Hz) hfreq最低限制*/ - __u32 hfmax; /* hfreq upper limit (Hz) hfreq最高限制*/ - __u32 dclkmin; /* pixelclock lower limit (Hz) pixelclock最低限制*/ - __u32 dclkmax; /* pixelclock upper limit (Hz) pixelclock最高限制*/ - __u16 input; /* display type - see FB_DISP_* 显示类型 - 查看FB_DISP_* */ - __u16 dpms; /* DPMS support - see FB_DPMS_ DPMS支持-查看FB_DPMS_ */ - __u16 signal; /* Signal Type - see FB_SIGNAL_* 信号类型 - 查看FB_SIGNAL_* */ - __u16 vfmin; /* vfreq lower limit (Hz) vfreq最低限制 */ - __u16 vfmax; /* vfreq upper limit (Hz) vfreq最高限制 */ - __u16 gamma; /* Gamma - in fractions of 100 100的分数 */ - __u16 gtf : 1; /* supports GTF 支持 GTF */ - __u16 misc; /* Misc flags - see FB_MISC_* Misc标识 - 查看FB_MISC_*  */ - __u8 version; /* EDID version... EDID版本 */ - __u8 revision; /* ...and revision 修订版本 */ - __u8 max_x; /* Maximum horizontal size (cm) 最大水平大小 */ - __u8 max_y; /* Maximum vertical size (cm) 最大垂直大小 */ -}; - -struct fb_cmap_user { - __u32 start; /* First entry 第一元素入口  */ - __u32 len; /* Number of entries 元素的数量 */ - //R,G,B和透明度  - __u16 __user *red; /* Red values */ - __u16 __user *green; - __u16 __user *blue; - __u16 __user *transp; /* transparency, can be NULL */ -}; - -struct fb_image_user { - __u32 dx; /* Where to place image */ - __u32 dy; - __u32 width; /* Size of image */ - __u32 height; - __u32 fg_color; /* Only used when a mono bitmap */ - __u32 bg_color; - __u8 depth; /* Depth of the image */ - const char __user *data; /* Pointer to image data */ - struct fb_cmap_user cmap; /* color map info */ -}; - -struct fb_cursor_user { - __u16 set; /* what to set */ - __u16 enable; /* cursor on/off */ - __u16 rop; /* bitop operation */ - const char __user *mask; /* cursor mask bits */ - struct fbcurpos hot; /* cursor hot spot */ - struct fb_image_user image; /* Cursor image */ -}; - -/* - * Register/unregister for framebuffer events - * framebuffer事件的注册/注销 - */ - -/* The resolution of the passed in fb_info about to change */ -// 在fb_info中通过的分辨率将要改变 -#define FB_EVENT_MODE_CHANGE 0x01 -/* The display on this fb_info is beeing suspended, no access to the - * framebuffer is allowed any more after that call returns - * 在这个fb_info的显示是被悬挂着的,在那个调用返回之后的对framebuffer - * 的访问是不被允许的. - */ -#define FB_EVENT_SUSPEND 0x02 -/* The display on this fb_info was resumed, you can restore the display - * if you own it - * 在这个fb_info中的显示恢复了,如果你拥有他,你可以恢复显示 - * - */ -#define FB_EVENT_RESUME 0x03 -/* An entry from the modelist was removed */ -// 模式列表中的一个元素被移走了 -#define FB_EVENT_MODE_DELETE 0x04 -/* A driver registered itself */ -// 一个驱动注册了他自己 -#define FB_EVENT_FB_REGISTERED 0x05 -/* A driver unregistered itself */ -// 一个驱动注销了他自己  -#define FB_EVENT_FB_UNREGISTERED 0x06 -/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ -// 获取framebuffer映射的控制台 -#define FB_EVENT_GET_CONSOLE_MAP 0x07 -/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ -// 设置framebuffer映射的控制台 -#define FB_EVENT_SET_CONSOLE_MAP 0x08 -/* A hardware display blank change occured */ -// 一个硬件显示空改变发生了 -#define FB_EVENT_BLANK 0x09 -/* Private modelist is to be replaced */ -// 内部的模式列表将被替换 -#define FB_EVENT_NEW_MODELIST 0x0A -/* The resolution of the passed in fb_info about to change and - all vc's should be changed */ -// 在fb_info中通过的分辨率将要改变,并且所有的vc应该被改变 -#define FB_EVENT_MODE_CHANGE_ALL 0x0B -/* A software display blank change occured */ -// 一个软件显示空改变发生了 -#define FB_EVENT_CONBLANK 0x0C -/* Get drawing requirements */ -// 获取画图需求 -#define FB_EVENT_GET_REQ 0x0D -/* Unbind from the console if possible */ -// 如果可能的话从控制台中接触绑定 -#define FB_EVENT_FB_UNBIND 0x0E -/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ -// 重新将所有的控制台映射到新的fb -- 对于vga switcheroo来说的 -#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F - -struct fb_event { - struct fb_info *info; - void *data; -}; - -struct fb_blit_caps { - u32 x; - u32 y; - u32 len; - u32 flags; -}; - -extern int fb_register_client(struct notifier_block *nb); -extern int fb_unregister_client(struct notifier_block *nb); -extern int fb_notifier_call_chain(unsigned long val, void *v); -/* - * Pixmap structure definition - * Pixmap 结构体定义  - * The purpose of this structure is to translate data - * from the hardware independent format of fbdev to what - * format the hardware needs. - * 该结构体的目的就是将数据从fbdev的硬件独立的格式转换成 - * 硬件需要的格式 - * - */ - -#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon 被fvbcon内部使用*/ -#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM 内存在系统RAM中*/ -#define FB_PIXMAP_IO 4 /* memory is iomapped 内存被io映射了*/ -#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA 如果GPU能够使用DMA的话设置*/ - -struct fb_pixmap { - u8 *addr; /* pointer to memory 指向内存的指针 */ - u32 size; /* size of buffer in bytes 缓冲的字节数大小 */ - u32 offset; /* current offset to buffer  当前到buffer的偏移量   */ - u32 buf_align; /* byte alignment of each bitmap  每一个位图的字节对齐 */ - u32 scan_align; /* alignment per scanline 每一个扫描行的对齐 */ - u32 access_align; /* alignment per read/write (bits) 每一个读写位的对齐 */ - u32 flags; /* see FB_PIXMAP_* 查看FB_PIXMAP_* */ - u32 blit_x; /* supported bit block dimensions (1-32) 支持位块尺寸(1-32) */ - u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ - /* blit_y = 1 << (height - 1) */ - /* if 0, will be set to 0xffffffff (all) 如果是0,则被设置为0xffffffff */ - /* access methods 访问方法 */ - void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); - void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); -}; - -#ifdef CONFIG_FB_DEFERRED_IO -struct fb_deferred_io { - /* delay between mkwrite and deferred handler  在mkwrite和延期的处理程序的时间 */ - unsigned long delay; - struct mutex lock; /* mutex that protects the page list 保护页列表的互斥锁 */ - struct list_head pagelist; /* list of touched pages 被创建的页的列表*/ - /* callback 回调函数*/ - void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); -}; -#endif - -/* - * Frame buffer operations - * Frame buffer 的操作 - * LOCKING NOTE: those functions must _ALL_ be called with the console - * semaphore held, this is the only suitable locking mechanism we have - * in 2.6. Some may be called at interrupt time at this point though. - * 这些函数必须要使用semaphore锁. - */ - -struct fb_ops { - /* open/release and usage marking */ - // 打开/释放和使用标记 - struct module *owner; - int (*fb_open)(struct fb_info *info, int user); - int (*fb_release)(struct fb_info *info, int user); - - /* For framebuffers with strange non linear layouts or that do not - * work with normal memory mapped access - * 对于拥有陌生的非线性布局的framebuffer来说,不能使用普通的内存 - * 映射访问来工作 - */ - ssize_t (*fb_read)(struct fb_info *info, char __user *buf, - size_t count, loff_t *ppos); - ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos); - - /* checks var and eventually tweaks it to something supported, - * DO NOT MODIFY PAR */ - // 检查var并且事件性的调整到可支持状态.不要修改PAR - int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); - - /* set the video mode according to info->var */ - // 通过info->var设置视频模式 - int (*fb_set_par)(struct fb_info *info); - - /* set color register */ - // 设置颜色寄存器 - int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, struct fb_info *info); - - /* set color registers in batch */ - // 批处理设置颜色寄存器 - int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); - - /* blank display */ - // 空显示 - int (*fb_blank)(int blank, struct fb_info *info); - - /* pan display */ - // pan 显示 - int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); - - /* Draws a rectangle */ - // 绘制一个矩形 - void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); - /* Copy data from area to another */ - // 从一个区域复制数据到另外一个区域 - void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); - /* Draws a image to the display */ - // 在显示器上绘制一个图像 - void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); - - /* Draws cursor */ - // 绘制光标 - int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); - - /* Rotates the display */ - // 旋转显示 - void (*fb_rotate)(struct fb_info *info, int angle); - - /* wait for blit idle, optional */ - // 等待blit空闲,可选 - int (*fb_sync)(struct fb_info *info); - - /* perform fb specific ioctl (optional) */ - // 运行fb指定的ioctl(可选) - int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, - unsigned long arg); - - /* Handle 32bit compat ioctl (optional) */ - // 处理32位兼容的ioctl - int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, - unsigned long arg); - - /* perform fb specific mmap */ - // 运行fb指定的mmap - int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); - - /* get capability given var */ - // 获取给定的var的能力 - void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, - struct fb_var_screeninfo *var); - - /* teardown any resources to do with this framebuffer */ - // 卸载与该framebuffer相关的任何资源 - void (*fb_destroy)(struct fb_info *info); -}; - -#ifdef CONFIG_FB_TILEBLITTING -#define FB_TILE_CURSOR_NONE 0 -#define FB_TILE_CURSOR_UNDERLINE 1 -#define FB_TILE_CURSOR_LOWER_THIRD 2 -#define FB_TILE_CURSOR_LOWER_HALF 3 -#define FB_TILE_CURSOR_TWO_THIRDS 4 -#define FB_TILE_CURSOR_BLOCK 5 - -struct fb_tilemap { - __u32 width; /* width of each tile in pixels 像素的宽度 */ - __u32 height; /* height of each tile in scanlines 扫描行的高度 */ - __u32 depth; /* color depth of each tile 颜色深度 */ - __u32 length; /* number of tiles in the map 在映射中的数量 */ - const __u8 *data; /* actual tile map: a bitmap array, packed - to the nearest byte 实际映射:一个位图数组,被打包到最近的位 */ -}; - -struct fb_tilerect { - __u32 sx; /* origin in the x-axis 在x轴中原点*/ - __u32 sy; /* origin in the y-axis 在y轴中的原点*/ - __u32 width; /* number of tiles in the x-axis 在x-axis 中的数量 */ - __u32 height; /* number of tiles in the y-axis 在y-axis中的数量 */ - __u32 index; /* what tile to use: index to tile map 使用哪一个tile:到tile映射的索引 */ - __u32 fg; /* foreground color 前景色 */ - __u32 bg; /* background color 后景色 */ - __u32 rop; /* raster operation 光栅操作 */ -}; - -struct fb_tilearea { - __u32 sx; /* source origin in the x-axis 在X轴的源原点 */ - __u32 sy; /* source origin in the y-axis 在y轴的源原点 */ - __u32 dx; /* destination origin in the x-axis 在x轴的目的原点 */ - __u32 dy; /* destination origin in the y-axis 在y轴的目的原点 */ - __u32 width; /* number of tiles in the x-axis 在x轴中的tiles的数量 */ - __u32 height; /* number of tiles in the y-axis 在y轴中的tiles的数量 */ -}; - -struct fb_tileblit { - __u32 sx; /* origin in the x-axis 在x轴的原点 */ - __u32 sy; /* origin in the y-axis 在y轴的原点*/ - __u32 width; /* number of tiles in the x-axis 在x轴上的tiles的数量 */ - __u32 height; /* number of tiles in the y-axis 在y轴上的tiles的数量 */ - __u32 fg; /* foreground color 前景色*/ - __u32 bg; /* background color 后景色*/ - __u32 length; /* number of tiles to draw 要绘制的tiles的数量 */ - __u32 *indices; /* array of indices to tile map 到tile映射的指数数组 */ -}; - -struct fb_tilecursor { - __u32 sx; /* cursor position in the x-axis 在x轴的光标位置*/ - __u32 sy; /* cursor position in the y-axis 在y轴的光标位置 */ - __u32 mode; /* 0 = erase, 1 = draw 0 = 擦除,1=绘制*/ - __u32 shape; /* see FB_TILE_CURSOR_* 查看FB_TILE_CURSOR_* */ - __u32 fg; /* foreground color 前景色*/ - __u32 bg; /* background color 后景色*/ -}; - -struct fb_tile_ops { - /* set tile characteristics  设置tile的特征*/ - void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); - - /* all dimensions from hereon are in terms of tiles */ - // 从现在起,所有尺寸都在tiles方面 - /* move a rectangular region of tiles from one area to another*/ - // 移动一个矩形区域从一个地方到另外一个地方 - void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); - /* fill a rectangular region with a tile */ - // 使用一个tile填充一个矩形区域 - void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); - /* copy an array of tiles */ - // 复制一个tile数组 - void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); - /* cursor */ - // 光标 - void (*fb_tilecursor)(struct fb_info *info, - struct fb_tilecursor *cursor); - /* get maximum length of the tile map */ - // 获取tile映射的最大长度 - int (*fb_get_tilemax)(struct fb_info *info); -}; -#endif /* CONFIG_FB_TILEBLITTING */ - -/* FBINFO_* = fb_info.flags bit flags FBINFO_* = fb_info.flags 位标识 */ -#define FBINFO_MODULE 0x0001 /* Low-level driver is a module 底层驱动是一个模块 */ -#define FBINFO_HWACCEL_DISABLED 0x0002 - /* When FBINFO_HWACCEL_DISABLED is set: - * Hardware acceleration is turned off. Software implementations - * of required functions (copyarea(), fillrect(), and imageblit()) - * takes over; acceleration engine should be in a quiescent state */ - /* 当FBINFO_HWACCEL_DISABLED被设置的时候: - * 硬件加速被关掉.所需功能的软件实现(copyarea(),fillrect()和imageblit()) - * 接管.加速引擎应该位域静态状态 - * -/* hints 提示*/ -#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. FB是系统RAM,不是设备*/ -#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering otw使用pan仅仅用于双缓冲 */ -#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering 软拷贝快于渲染 */ - -/* hardware supported ops */ -/* semantics: when a bit is set, it indicates that the operation is - * accelerated by hardware. - * 支持的硬件操作 - * 语义:当一个位被设置,意味着操作被硬件加速了 - * - * required functions will still work even if the bit is not set. - * 即使位没有被设置,所需的功能依旧工作. - * optional functions may not even exist if the flag bit is not set. - * 如果标识位没有被设置,可选的功能可能甚至不存在 - */ -#define FBINFO_HWACCEL_NONE 0x0000 -#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required 需要*/ -#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required 需要*/ -#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required 需要*/ -#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional 可选*/ -#define FBINFO_HWACCEL_XPAN 0x1000 /* optional 可选*/ -#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ -#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ - -#define FBINFO_MISC_USEREVENT 0x10000 /* event request  - from userspace 从用户空间时间需要*/ -#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting 使用tile blitting*/ -#define FBINFO_MISC_FIRMWARE 0x40000 /* a replaceable firmware - inited framebuffer 一个可替换的固件初始化的framebuffer*/ - -/* A driver may set this flag to indicate that it does want a set_par to be - * called every time when fbcon_switch is executed. The advantage is that with - * this flag set you can really be sure that set_par is always called before - * any of the functions dependant on the correct hardware state or altering - * that state, even if you are using some broken X releases. The disadvantage - * is that it introduces unwanted delays to every console switch if set_par - * is slow. It is a good idea to try this flag in the drivers initialization - * code whenever there is a bug report related to switching between X and the - * framebuffer console. - * 一个驱动可能会设置这个标识来表明每次当fbcon_switch被执行的时候,他不想调用set_par(). - * 他的优点就是伴随着这个标识的设置,你可以确定set_par在任何依赖于正确的硬件状态 - * 或者是改变那个状态之前被一直调用,即使你整在使用一些x发行版.他的缺点就是如果 - * set_par太慢的话,在显示在每一个控制台的时候,会导致不希望的延迟. - * - * - */ -#define FBINFO_MISC_ALWAYS_SETPAR 0x40000 - -/* - * Host and GPU endianness differ. - * 主机和GPU端不同 - */ -#define FBINFO_FOREIGN_ENDIAN 0x100000 -/* - * Big endian math. This is the same flags as above, but with different - * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag - * and host endianness. Drivers should not use this flag. - * 大端数学.这个是和上面一样的标识,但是意义却是不一样的,他是被依赖于FOREIGN_ENDIAN端 - * 和主机端的fb子系统所设置的.驱动不应该使用这个标识 - * - */ -#define FBINFO_BE_MATH 0x100000 - -struct fb_info { - int node; - int flags; - struct mutex lock; /* Lock for open/release/ioctl funcs 用于open/release/ioctl函数的锁 */ - struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields 用于fb_mmap和smem_* 域的锁 */ - struct fb_var_screeninfo var; /* Current var 可变参数*/ - struct fb_fix_screeninfo fix; /* Current fix 固定参数 */ - struct fb_monspecs monspecs; /* Current Monitor specs  显示器标准 */ - struct work_struct queue; /* Framebuffer event queue 帧缓冲事件队列 */ - struct fb_pixmap pixmap; /* Image hardware mapper 图像硬件mapper */ - struct fb_pixmap sprite; /* Cursor hardware mapper 光标硬件mapper */ - struct fb_cmap cmap; /* Current cmap 目前的颜色表 */ - struct list_head modelist; /* mode list 模式列表 */ - struct fb_videomode *mode; /* current mode 当前的video模式 */ - -#ifdef CONFIG_FB_BACKLIGHT - /* assigned backlight device 对应的背光设备*/ - /* set before framebuffer registration, - remove after unregister 在framebuffer注册之前被设置,在注销之后移走 */ - struct backlight_device *bl_dev; - - /* Backlight level curve 背光调整 */ - struct mutex bl_curve_mutex; - u8 bl_curve[FB_BACKLIGHT_LEVELS]; -#endif -#ifdef CONFIG_FB_DEFERRED_IO - struct delayed_work deferred_work; - struct fb_deferred_io *fbdefio; -#endif - - struct fb_ops *fbops; // 帧缓冲操作 - struct device *device; /* This is the parent 辐射被*/ - struct device *dev; /* This is this fb device fb设备 */ - int class_flag; /* private sysfs flags 私有sysfs标识 */ -#ifdef CONFIG_FB_TILEBLITTING - struct fb_tile_ops *tileops; /* Tile Blitting 图块blitting */ -#endif - char __iomem *screen_base; /* Virtual address 虚拟基地址 */ - unsigned long screen_size; /* Amount of ioremapped VRAM or 0 ioremapped的虚拟内存大小 或者是 0*/ - void *pseudo_palette; /* Fake palette of 16 colors 伪16色颜色表  */ -#define FBINFO_STATE_RUNNING 0 -#define FBINFO_STATE_SUSPENDED 1 - u32 state; /* Hardware state i.e suspend 硬件状态,如挂起 */ - void *fbcon_par; /* fbcon use-only private area fbcon仅仅用于私有区域*/ - /* From here on everything is device dependent 从这里开始所有的事物都是设备依赖的 */ - void *par; - /* we need the PCI or similiar aperture base/size not - smem_start/size as smem_start may just be an object - allocated inside the aperture so may not actually overlap */ - resource_size_t aperture_base; - resource_size_t aperture_size; -}; - -#ifdef MODULE -#define FBINFO_DEFAULT FBINFO_MODULE -#else -#define FBINFO_DEFAULT 0 -#endif - -// This will go away 这将会走开 -#define FBINFO_FLAG_MODULE FBINFO_MODULE -#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT - -/* This will go away - * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags - * when it wants to turn the acceleration engine on. This is - * really a separate operation, and should be modified via sysfs. - * But for now, we leave it broken with the following define - * 这将会走开.当他想要打开加速引擎的时候,fbset会到var.accel_falgs. - * 这个事实上是一个分离的操作,并且应该有sysfs修改.但是,对于现在来说, - *  我们把他打破与下面的定义. - */ -#define STUPID_ACCELF_TEXT_SHIT - -// This will go away -// 这个将走开 -#if defined(__sparc__) - -/* We map all of our framebuffers such that big-endian accesses - * are what we want, so the following is sufficient. - * - * 我们映射所有的framebuffers,例如大端访问是我们需要的,所以下面的就足够了 - */ - -// This will go away -#define fb_readb sbus_readb -#define fb_readw sbus_readw -#define fb_readl sbus_readl -#define fb_readq sbus_readq -#define fb_writeb sbus_writeb -#define fb_writew sbus_writew -#define fb_writel sbus_writel -#define fb_writeq sbus_writeq -#define fb_memset sbus_memset_io - -#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) - -#define fb_readb __raw_readb -#define fb_readw __raw_readw -#define fb_readl __raw_readl -#define fb_readq __raw_readq -#define fb_writeb __raw_writeb -#define fb_writew __raw_writew -#define fb_writel __raw_writel -#define fb_writeq __raw_writeq -#define fb_memset memset_io - -#else - -#define fb_readb(addr) (*(volatile u8 *) (addr)) -#define fb_readw(addr) (*(volatile u16 *) (addr)) -#define fb_readl(addr) (*(volatile u32 *) (addr)) -#define fb_readq(addr) (*(volatile u64 *) (addr)) -#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) -#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) -#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) -#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) -#define fb_memset memset - -#endif - -#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) -#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ - (val) << (bits)) -#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ - (val) >> (bits)) - - /* - * `Generic' versions of the frame buffer device operations - * framebuffer的'Generis'版本的设备操作 - * - */ - -extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); -extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); -extern int fb_blank(struct fb_info *info, int blank); -extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); -extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); -extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); -/* - * Drawing operations where framebuffer is in system RAM - * 在framebuffer所在的系统RAM绘制操作 - * - */ -extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); -extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); -extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); -extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, - size_t count, loff_t *ppos); -extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos); - -/* drivers/video/fbmem.c */ -extern int register_framebuffer(struct fb_info *fb_info); -extern int unregister_framebuffer(struct fb_info *fb_info); -extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); -extern int fb_show_logo(struct fb_info *fb_info, int rotate); -extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); -extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, - u32 height, u32 shift_high, u32 shift_low, u32 mod); -extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); -extern void fb_set_suspend(struct fb_info *info, int state); -extern int fb_get_color_depth(struct fb_var_screeninfo *var, - struct fb_fix_screeninfo *fix); -extern int fb_get_options(char *name, char **option); -extern int fb_new_modelist(struct fb_info *info); - -extern struct fb_info *registered_fb[FB_MAX]; -extern int num_registered_fb; -extern struct class *fb_class; - -extern int lock_fb_info(struct fb_info *info); - -static inline void unlock_fb_info(struct fb_info *info) -{ - mutex_unlock(&info->lock); -} - -static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, - u8 *src, u32 s_pitch, u32 height) -{ - int i, j; - - d_pitch -= s_pitch; - - for (i = height; i--; ) { - /* s_pitch is a few bytes at the most, memcpy is suboptimal */ - for (j = 0; j < s_pitch; j++) - *dst++ = *src++; - dst += d_pitch; - } -} - -/* drivers/video/fb_defio.c */ -extern void fb_deferred_io_init(struct fb_info *info); -extern void fb_deferred_io_open(struct fb_info *info, - struct inode *inode, - struct file *file); -extern void fb_deferred_io_cleanup(struct fb_info *info); -extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, - int datasync); - -static inline bool fb_be_math(struct fb_info *info) -{ -#ifdef CONFIG_FB_FOREIGN_ENDIAN -#if defined(CONFIG_FB_BOTH_ENDIAN) - return info->flags & FBINFO_BE_MATH; -#elif defined(CONFIG_FB_BIG_ENDIAN) - return true; -#elif defined(CONFIG_FB_LITTLE_ENDIAN) - return false; -#endif /* CONFIG_FB_BOTH_ENDIAN */ -#else -#ifdef __BIG_ENDIAN - return true; -#else - return false; -#endif /* __BIG_ENDIAN */ -#endif /* CONFIG_FB_FOREIGN_ENDIAN */ -} - -/* drivers/video/fbsysfs.c */ -extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); -extern void framebuffer_release(struct fb_info *info); -extern int fb_init_device(struct fb_info *fb_info); -extern void fb_cleanup_device(struct fb_info *head); -extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); - -/* drivers/video/fbmon.c */ -#define FB_MAXTIMINGS 0 -#define FB_VSYNCTIMINGS 1 -#define FB_HSYNCTIMINGS 2 -#define FB_DCLKTIMINGS 3 -#define FB_IGNOREMON 0x100 - -#define FB_MODE_IS_UNKNOWN 0 -#define FB_MODE_IS_DETAILED 1 -#define FB_MODE_IS_STANDARD 2 -#define FB_MODE_IS_VESA 4 -#define FB_MODE_IS_CALCULATED 8 -#define FB_MODE_IS_FIRST 16 -#define FB_MODE_IS_FROM_VAR 32 - -extern int fbmon_dpms(const struct fb_info *fb_info); -extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, - struct fb_info *info); -extern int fb_validate_mode(const struct fb_var_screeninfo *var, - struct fb_info *info); -extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); -extern const unsigned char *fb_firmware_edid(struct device *device); -extern void fb_edid_to_monspecs(unsigned char *edid, - struct fb_monspecs *specs); -extern void fb_destroy_modedb(struct fb_videomode *modedb); -extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); -extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); - -/* drivers/video/modedb.c */ -#define VESA_MODEDB_SIZE 34 -extern void fb_var_to_videomode(struct fb_videomode *mode, - const struct fb_var_screeninfo *var); -extern void fb_videomode_to_var(struct fb_var_screeninfo *var, - const struct fb_videomode *mode); -extern int fb_mode_is_equal(const struct fb_videomode *mode1, - const struct fb_videomode *mode2); -extern int fb_add_videomode(const struct fb_videomode *mode, - struct list_head *head); -extern void fb_delete_videomode(const struct fb_videomode *mode, - struct list_head *head); -extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, - struct list_head *head); -extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, - struct list_head *head); -extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, - struct list_head *head); -extern void fb_destroy_modelist(struct list_head *head); -extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, - struct list_head *head); -extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, - struct list_head *head); - -/* drivers/video/fbcmap.c */ -extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); -extern void fb_dealloc_cmap(struct fb_cmap *cmap); -extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); -extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); -extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); -extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); -extern const struct fb_cmap *fb_default_cmap(int len); -extern void fb_invert_cmaps(void); - -struct fb_videomode { - const char *name; /* optional */ - u32 refresh; /* optional */ - u32 xres; - u32 yres; - u32 pixclock; - u32 left_margin; - u32 right_margin; - u32 upper_margin; - u32 lower_margin; - u32 hsync_len; - u32 vsync_len; - u32 sync; - u32 vmode; - u32 flag; -}; - -extern const char *fb_mode_option; -extern const struct fb_videomode vesa_modes[]; - -struct fb_modelist { - struct list_head list; - struct fb_videomode mode; -}; - -extern int fb_find_mode(struct fb_var_screeninfo *var, - struct fb_info *info, const char *mode_option, - const struct fb_videomode *db, - unsigned int dbsize, - const struct fb_videomode *default_mode, - unsigned int default_bpp); - -#endif /* __KERNEL__ */ - -#endif /* _LINUX_FB_H */ diff --git a/fb2/fbtool.c~ b/fb2/fbtool.c~ deleted file mode 100644 index dd9ef3c..0000000 --- a/fb2/fbtool.c~ +++ /dev/null @@ -1,107 +0,0 @@ -#include "fbtool.h" - -//打开并且初始化该frame buffer -int fb_open(PFBDEV pFbdev) -{ - //打开frame buffer - pFbdev->fb = open(pFbdev->dev,O_RDWR); - - if(pFbdev->fb < 0) - { - printf("打开错误 %s : %n.请检查内核配置\n",pFbdev->dev); - return 0; - } - - // 初始化fb_var - if(-1 == ioctl(pFbdev->fb,FBIOGET_VSCREENINFO,&(pFbdev->fb_var))) - { - printf("ioctl FBIOGET_VSCREENINFO\n"); - return 0; - } - - // 初始化fb_fix - if(-1 == ioctl(pFbdev->fb,FBIOGET_FSCREENINFO,&(pFbdev->fb_fix))) - { - printf("ioctl FBIOGET_FSCREENINFO\n"); - return 0; - } - - return 1; -} - -//关闭frame buffer -int fb_close(PFBDEV pFbdev) -{ - close(pFbdev->fb); - pFbdev->fb = -1; -} - -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev) -{ - printf("frame buffer所占内存的开始地址为:%lu\n",pFbdev->fb_fix.smem_start); -} - -//打印FB_TYPE -void p_type(PFBDEV pFbdev) -{ - printf("frame buffer 的类型为:%d\n",pFbdev->fb_fix.type); -} - -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev) -{ - printf("frame buffer的可见清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres,pFbdev->fb_var.yres); -} - -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres_virtual,pFbdev->fb_var.yres_virtual); -} - -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟分辨率到可见分辨率的偏移量为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xoffset,pFbdev->fb_var.yoffset); -} - -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev) -{ - printf("frame buffer的BPP为:%d\n",pFbdev->fb_var.bits_per_pixel); -} - -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev) -{ - printf("这个后面再说!!\n"); -} - -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev) -{ - printf("frame buffer在内存中所占的高度和宽度分别是:\n\t宽度 = %d\n\t高度 = %d\n",pFbdev->fb_var.height,pFbdev->fb_var.width); -} - - - - - - - - - - - - - - - - - - - - - - diff --git a/fb2/fbtool.h~ b/fb2/fbtool.h~ deleted file mode 100644 index a919b5e..0000000 --- a/fb2/fbtool.h~ +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef __FBTOOL_H_ -#define __FBTOOL_H_ - -#include -#include -#include -#include -#include -#include -#include -#include - -typedef struct fbdev{ - int fb; //framebuffer打开后的唯一标识符 - struct fb_fix_screeninfo fb_fix; - struct fb_var_screeninfo fb_var; - char dev[20]; -}FBDEV,*PFBDEV; - -//打开framebuffer -int fb_open(PFBDEV pFbdev); -//关闭framebuffer -int fb_close(PFBDEV pFbdev); -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev); -//打印FB_TYPE -void p_type(PFBDEV pFbdev); -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev); -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev); -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev); -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev); -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev); -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev); - -#endif diff --git a/fb2/test.c~ b/fb2/test.c~ deleted file mode 100644 index 77e47c5..0000000 --- a/fb2/test.c~ +++ /dev/null @@ -1,34 +0,0 @@ -#include "fbtool.h" - -int main() -{ - FBDEV fbdev; - memset(&fbdev,0,sizeof(FBDEV)); - strcpy(fbdev.dev,"/dev/fb0"); - - if(0 == fb_open(&fbdev)){ - printf("Open fail!!\n"); - return -1; - } - - //打印frame buffer 所占内存的开始地址  - pmem_start(&fbdev); - //打印FB_TYPE - p_type(&fbdev); - //打印可见清晰度 - p_visible_res(&fbdev); - //打印虚拟分辨率 - p_virt_res(&fbdev); - //打印虚拟到可见的偏移量 - p_offset(&fbdev); - //打印每个像素的位数 - p_bpp(&fbdev); - //打印R,G,B和透明度 - p_rgbt(&fbdev); - //打印在内存中的高度和宽度 - p_hw(&fbdev); - - fb_close(PFBDEV pFbdev); - - return 0; -} diff --git a/fb3/fbtool.c~ b/fb3/fbtool.c~ deleted file mode 100644 index 03d6742..0000000 --- a/fb3/fbtool.c~ +++ /dev/null @@ -1,133 +0,0 @@ -#include "fbtool.h" - -//打开并且初始化该frame buffer -int fb_open(PFBDEV pFbdev) -{ - //打开frame buffer - pFbdev->fb = open(pFbdev->dev,O_RDWR); - - if(pFbdev->fb < 0) - { - printf("打开错误 %s : %n.请检查内核配置\n",pFbdev->dev); - return 0; - } - - // 初始化fb_var - if(-1 == ioctl(pFbdev->fb,FBIOGET_VSCREENINFO,&(pFbdev->fb_var))) - { - printf("ioctl FBIOGET_VSCREENINFO\n"); - return 0; - } - - // 初始化fb_fix - if(-1 == ioctl(pFbdev->fb,FBIOGET_FSCREENINFO,&(pFbdev->fb_fix))) - { - printf("ioctl FBIOGET_FSCREENINFO\n"); - return 0; - } - - return 1; -} - -//关闭frame buffer -int fb_close(PFBDEV pFbdev) -{ - close(pFbdev->fb); - pFbdev->fb = -1; -} - -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev) -{ - printf("frame buffer所占内存的开始地址为:%d\n",pFbdev->fb_fix.smem_start); -} - -//打印FB_TYPE -void p_type(PFBDEV pFbdev) -{ - printf("frame buffer 的类型为:%d\n",pFbdev->fb_fix.type); -} - -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev) -{ - printf("frame buffer的可见清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres,pFbdev->fb_var.yres); -} - -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres_virtual,pFbdev->fb_var.yres_virtual); -} - -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟分辨率到可见分辨率的偏移量为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xoffset,pFbdev->fb_var.yoffset); -} - -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev) -{ - printf("frame buffer的BPP为:%d\n",pFbdev->fb_var.bits_per_pixel); -} - -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev) -{ - //R位域 - printf("R位域:\n"); - struct fb_bitfield bf = pFbdev->fb_var.red; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - //G位域 - printf("G位域:\n"); - bf = pFbdev->fb_var.green; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // B位域 - printf("B位域:\n"); - bf = pFbdev->fb_var.blue; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // 透明度位域 - printf("透明度位域:\n"); - bf = pFbdev->fb_var.transp; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); -} - -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev) -{ - printf("frame buffer在内存中所占的高度和宽度分别是:\n\t宽度 = %d\n\t高度 = %d\n",pFbdev->fb_var.height,pFbdev->fb_var.width); -} - - - - - - - - - - - - - - - - - - - - - - diff --git a/fb3/fbtool.h~ b/fb3/fbtool.h~ deleted file mode 100644 index a919b5e..0000000 --- a/fb3/fbtool.h~ +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef __FBTOOL_H_ -#define __FBTOOL_H_ - -#include -#include -#include -#include -#include -#include -#include -#include - -typedef struct fbdev{ - int fb; //framebuffer打开后的唯一标识符 - struct fb_fix_screeninfo fb_fix; - struct fb_var_screeninfo fb_var; - char dev[20]; -}FBDEV,*PFBDEV; - -//打开framebuffer -int fb_open(PFBDEV pFbdev); -//关闭framebuffer -int fb_close(PFBDEV pFbdev); -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev); -//打印FB_TYPE -void p_type(PFBDEV pFbdev); -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev); -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev); -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev); -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev); -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev); -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev); - -#endif diff --git a/fb3/test.c~ b/fb3/test.c~ deleted file mode 100644 index 30f6072..0000000 --- a/fb3/test.c~ +++ /dev/null @@ -1,38 +0,0 @@ -#include "fbtool.h" - -int main() -{ - FBDEV fbdev; - - memset(&fbdev,0,sizeof(FBDEV)); - strcpy(fbdev.dev,"/dev/fb0"); - - if(0 == fb_open(&fbdev)){ - printf("Open fail!!\n"); - return -1; - } - - - //打印frame buffer 所占内存的开始地址  - pmem_start(&fbdev); - //打印FB_TYPE - p_type(&fbdev); - //打印可见清晰度 - p_visible_res(&fbdev); - //打印虚拟分辨率 - p_virt_res(&fbdev); - //打印虚拟到可见的偏移量 - p_offset(&fbdev); - //打印每个像素的位数 - p_bpp(&fbdev); - //打印R,G,B和透明度 - p_rgbt(&fbdev); - //打印在内存中的高度和宽度 - p_hw(&fbdev); - //打印fb的RGB和透明度的位域 - p_rgbt(&fbdev); - - fb_close(&fbdev); - - return 0; -} diff --git a/fb4-fix/fbtool.c~ b/fb4-fix/fbtool.c~ deleted file mode 100644 index cd2153f..0000000 --- a/fb4-fix/fbtool.c~ +++ /dev/null @@ -1,107 +0,0 @@ -#include "fbtool.h" - -//打开并且初始化该frame buffer -int fb_open(PFBDEV pFbdev) -{ - //打开frame buffer - pFbdev->fb = open(pFbdev->dev,O_RDWR); - - if(pFbdev->fb < 0) - { - printf("打开错误 %s : %n.请检查内核配置\n",pFbdev->dev); - return 0; - } - - // 初始化fb_var - if(-1 == ioctl(pFbdev->fb,FBIOGET_VSCREENINFO,&(pFbdev->fb_var))) - { - printf("ioctl FBIOGET_VSCREENINFO\n"); - return 0; - } - - // 初始化fb_fix - if(-1 == ioctl(pFbdev->fb,FBIOGET_FSCREENINFO,&(pFbdev->fb_fix))) - { - printf("ioctl FBIOGET_FSCREENINFO\n"); - return 0; - } - - return 1; -} - -//关闭frame buffer -int fb_close(PFBDEV pFbdev) -{ - close(pFbdev->fb); - pFbdev->fb = -1; -} - -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev) -{ - printf("frame buffer所占内存的开始地址为:%lu\n",pFbdev->fb_fix.smem_start); -} - -//打印FB_TYPE -void p_type(PFBDEV pFbdev) -{ - printf("frame buffer 的类型为:%u\n",pFbdev->fb_fix.type); -} - -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev) -{ - printf("frame buffer的可见清晰度为:\n\tx = %u\n\ty = %u\n",pFbdev->fb_var.xres,pFbdev->fb_var.yres); -} - -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟清晰度为:\n\tx = %u\n\ty = %u\n",pFbdev->fb_var.xres_virtual,pFbdev->fb_var.yres_virtual); -} - -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟分辨率到可见分辨率的偏移量为:\n\tx = %u\n\ty = %u\n",pFbdev->fb_var.xoffset,pFbdev->fb_var.yoffset); -} - -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev) -{ - printf("frame buffer的BPP为:%d\n",pFbdev->fb_var.bits_per_pixel); -} - -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev) -{ - printf("这个后面再说!!\n"); -} - -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev) -{ - printf("frame buffer在内存中所占的高度和宽度分别是:\n\t宽度 = %u\n\t高度 = %u\n",pFbdev->fb_var.height,pFbdev->fb_var.width); -} - - - - - - - - - - - - - - - - - - - - - - diff --git a/fb4-fix/fbtool.h~ b/fb4-fix/fbtool.h~ deleted file mode 100644 index a919b5e..0000000 --- a/fb4-fix/fbtool.h~ +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef __FBTOOL_H_ -#define __FBTOOL_H_ - -#include -#include -#include -#include -#include -#include -#include -#include - -typedef struct fbdev{ - int fb; //framebuffer打开后的唯一标识符 - struct fb_fix_screeninfo fb_fix; - struct fb_var_screeninfo fb_var; - char dev[20]; -}FBDEV,*PFBDEV; - -//打开framebuffer -int fb_open(PFBDEV pFbdev); -//关闭framebuffer -int fb_close(PFBDEV pFbdev); -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev); -//打印FB_TYPE -void p_type(PFBDEV pFbdev); -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev); -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev); -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev); -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev); -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev); -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev); - -#endif diff --git a/fb4-fix/test.c~ b/fb4-fix/test.c~ deleted file mode 100644 index 77e47c5..0000000 --- a/fb4-fix/test.c~ +++ /dev/null @@ -1,34 +0,0 @@ -#include "fbtool.h" - -int main() -{ - FBDEV fbdev; - memset(&fbdev,0,sizeof(FBDEV)); - strcpy(fbdev.dev,"/dev/fb0"); - - if(0 == fb_open(&fbdev)){ - printf("Open fail!!\n"); - return -1; - } - - //打印frame buffer 所占内存的开始地址  - pmem_start(&fbdev); - //打印FB_TYPE - p_type(&fbdev); - //打印可见清晰度 - p_visible_res(&fbdev); - //打印虚拟分辨率 - p_virt_res(&fbdev); - //打印虚拟到可见的偏移量 - p_offset(&fbdev); - //打印每个像素的位数 - p_bpp(&fbdev); - //打印R,G,B和透明度 - p_rgbt(&fbdev); - //打印在内存中的高度和宽度 - p_hw(&fbdev); - - fb_close(PFBDEV pFbdev); - - return 0; -} diff --git a/fb5/Makefile~ b/fb5/Makefile~ deleted file mode 100644 index 36f1232..0000000 --- a/fb5/Makefile~ +++ /dev/null @@ -1,4 +0,0 @@ -all: - gcc page.h fbtool.h fbtool.c test.c -o test -clean: - rm test diff --git a/fb5/fbtool.c~ b/fb5/fbtool.c~ deleted file mode 100644 index 2d591e5..0000000 --- a/fb5/fbtool.c~ +++ /dev/null @@ -1,226 +0,0 @@ -#include "fbtool.h" - -//打开并且初始化该frame buffer -int fb_open(PFBDEV pFbdev) -{ - //打开frame buffer - pFbdev->fb = open(pFbdev->dev,O_RDWR); - - if(pFbdev->fb < 0) - { - printf("打开错误 %s : %n.请检查内核配置\n",pFbdev->dev); - return 0; - } - - // 初始化fb_var - if(-1 == ioctl(pFbdev->fb,FBIOGET_VSCREENINFO,&(pFbdev->fb_var))) - { - printf("ioctl FBIOGET_VSCREENINFO\n"); - return 0; - } - - // 初始化fb_fix - if(-1 == ioctl(pFbdev->fb,FBIOGET_FSCREENINFO,&(pFbdev->fb_fix))) - { - printf("ioctl FBIOGET_FSCREENINFO\n"); - return 0; - } - - //将物理地址映射到虚拟地址 - pFbdev->fb_mem_offset = (unsigned long)pFbdev->fb_fix.smem_start & (~PAGE_MASK); - - pFbdev->fb_mem = (unsigned long int)mmap(NULL,pFbdev->fb_fix.smem_len + pFbdev->fb_mem_offset,PROT_READ|PROT_WRITE,MAP_SHARED,pFbdev->fb,0); - - if(-1L == (long)pFbdev->fb_mem){ - printf("mmap error with mem:%lu,mem_offset:%lu\n",pFbdev->fb_mem_offset,pFbdev->fb_mem); - return 0; - } - - return 1; -} - -//关闭frame buffer -int fb_close(PFBDEV pFbdev) -{ - close(pFbdev->fb); - pFbdev->fb = -1; -} - -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev) -{ - printf("frame buffer所占内存的开始地址为:%lu\n",pFbdev->fb_fix.smem_start); -} - -//打印FB_TYPE -void p_type(PFBDEV pFbdev) -{ - printf("frame buffer 的类型为:%d\n",pFbdev->fb_fix.type); -} - -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev) -{ - printf("frame buffer的可见清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres,pFbdev->fb_var.yres); -} - -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres_virtual,pFbdev->fb_var.yres_virtual); -} - -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟分辨率到可见分辨率的偏移量为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xoffset,pFbdev->fb_var.yoffset); -} - -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev) -{ - printf("frame buffer的BPP为:%d\n",pFbdev->fb_var.bits_per_pixel); -} - -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev) -{ - //R位域 - printf("R位域:\n"); - struct fb_bitfield bf = pFbdev->fb_var.red; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - //G位域 - printf("G位域:\n"); - bf = pFbdev->fb_var.green; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // B位域 - printf("B位域:\n"); - bf = pFbdev->fb_var.blue; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // 透明度位域 - printf("透明度位域:\n"); - bf = pFbdev->fb_var.transp; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); -} - -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev) -{ - printf("frame buffer在内存中所占的高度和宽度分别是:\n\t宽度 = %d\n\t高度 = %d\n",pFbdev->fb_var.height,pFbdev->fb_var.width); -} - -//清空控制台  -void clear_con(void *addr,int n,size_t len) -{ - memset(addr,n,len); -} - -//映射到内存 -void fb_memcpy(void *addr,void *color,size_t len) -{ - memcpy(addr,color,len); -} - -//画点 -void draw_dot(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b) -{ - uint32_t offset; - uint8_t color[4]; - color[0] = b; - color[1] = g; - color[2] = r; - color[3] = 0x0; //透明度 - - offset = p.y * pFbdev->fb_fix.line_length + 4 * p.x; - //将操作映射到内存中 - fb_memcpy((void*)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset,color,4); - -} - -//画横线 -void draw_h_line(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b) -{ - int m; - - int length = maxX.x - minX.x; - for(m = 0;m < length;m++){ - POINT tp; - tp.x = minX.x + m; - tp.y = minX.y; - - draw_dot(pFbdev,tp,r,g,b); - } -} - -//画竖线 -void draw_v_line(PFBDEV pFbdev,POINT minY,POINT maxY,uint8_t r,uint8_t g,uint8_t b) -{ - int m; - - int length = maxY.y - minY.y; - for(m = 0;m < length;m++){ - POINT tp; - tp.x = minY.x; - tp.y = minY.y + m; - - draw_dot(pFbdev,tp,r,g,b); - } -} - - -//画一个矩形框 -void draw_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b) -{ - draw_h_line(pFbdev,lu,ru,r,g,b); - draw_h_line(pFbdev,ld,rd,r,g,b); - draw_v_line(pFbdev,lu,ld,r,g,b); - draw_v_line(pFbdev,ru,rd,r,g,b); -} - -//填充一个矩形框 -void fill_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b) -{ - int xlen = ru.x - lu.x; - int ylen = ld.y - lu.y; - - int m,n; - - for(m = 0;m < ylen;m++){ - for(n = 0;n < xlen;n++){ - POINT p; - p.x = lu.x + n; - p.y = lu.y + m; - - draw_dot(pFbdev,p,r,g,b); - } - } -} - - - - - - - - - - - - - - - - - - diff --git a/fb5/fbtool.h~ b/fb5/fbtool.h~ deleted file mode 100644 index 097140b..0000000 --- a/fb5/fbtool.h~ +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef __FBTOOL_H_ -#define __FBTOOL_H_ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "page.h" - -typedef struct fbdev{ - int fb; //framebuffer打开后的唯一标识符 - struct fb_fix_screeninfo fb_fix; - struct fb_var_screeninfo fb_var; - /* 新增 */ - unsigned long fb_mem_offset; //frame buffer所占内存的偏移量 - unsigned long fb_mem; //frame buffer的映射到进程内存空间的起始地址 - - char dev[20]; -}FBDEV,*PFBDEV; - -typedef struct point{ - int x; - int y; - int z; -}POINT,*PPOINT; - -//打开framebuffer -int fb_open(PFBDEV pFbdev); -//关闭framebuffer -int fb_close(PFBDEV pFbdev); -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev); -//打印FB_TYPE -void p_type(PFBDEV pFbdev); -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev); -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev); -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev); -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev); -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev); -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev); -//清空控制台  -void clear_con(void *addr,int n,size_t len); -//映射到内存 -void fb_memcpy(void *addr,void *color,size_t len); -//画点 -void draw_dot(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b); -//画横线 -void draw_h_line(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b); -//画竖线 -void draw_v_line(PFBDEV pFbdev,POINT minY,POINT maxY,uint8_t r,uint8_t g,uint8_t b); -//画一个矩形框 -void draw_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b); -//填充一个矩形框 - -#endif - - - - - - - - - - - - diff --git a/fb5/test.c~ b/fb5/test.c~ deleted file mode 100644 index 2d5813a..0000000 --- a/fb5/test.c~ +++ /dev/null @@ -1,109 +0,0 @@ -#include "fbtool.h" - -int main() -{ - FBDEV fbdev; - - memset(&fbdev,0,sizeof(FBDEV)); - strcpy(fbdev.dev,"/dev/fb0"); - - if(0 == fb_open(&fbdev)){ - printf("Open fail!!\n"); - return -1; - } - /** - //打印frame buffer 所占内存的开始地址  - pmem_start(&fbdev); - //打印FB_TYPE - p_type(&fbdev); - //打印可见清晰度 - p_visible_res(&fbdev); - //打印虚拟分辨率 - p_virt_res(&fbdev); - //打印虚拟到可见的偏移量 - p_offset(&fbdev); - //打印每个像素的位数 - p_bpp(&fbdev); - //打印R,G,B和透明度 - p_rgbt(&fbdev); - //打印在内存中的高度和宽度 - p_hw(&fbdev); - //打印fb的RGB和透明度的位域 - p_rgbt(&fbdev); - - getchar(); - - //清屏 - clear_con(fbdev.fb_mem + fbdev.fb_mem_offset,-1,fbdev.fb_fix.smem_len); */ - - POINT p; - p.x = 100; - p.y = 100; - //画点 - draw_dot(&fbdev,p,0x0,0xff,0x0); - - //划横线 - //画横线 - POINT p21; - p21.x = 120; - p21.y = 100; - POINT p2; - p2.x = 160; - p2.y = 160; - draw_h_line(&fbdev,p21,p2,0x0,0xff,0x0); - - //画竖线 - POINT p31; - p31.x = 100; - p31.y = 120; - POINT p3; - p3.x = 100; - p3.y = 160; - draw_v_line(&fbdev,p31,p3,0x0,0xff,0x0); - - POINT p40; - p40.x = 120; - p40.y = 120; - POINT p41; - p41.x = 160; - p41.y = 120; - POINT p42; - p42.x = 120; - p42.y = 160; - POINT p43; - p43.x = 160; - p43.y = 160; - //画矩形 - draw_rec(&fbdev,p40,p42,p41,p43,0x0,0xff,0x0); - - POINT p50; - p50.x = 100; - p50.y = 180; - POINT p51; - p51.x = 160; - p51.y = 180; - POINT p52; - p52.x = 100; - p52.y = 220; - POINT p53; - p53.x = 160; - p53.y = 220; - //填充矩形 - fill_rec(&fbdev,p50,p52,p51,p53,0x0,0xff,0x0); - return 0; -} - - - - - - - - - - - - - - - diff --git a/fb6/Makefile~ b/fb6/Makefile~ deleted file mode 100644 index 1f041fd..0000000 --- a/fb6/Makefile~ +++ /dev/null @@ -1,4 +0,0 @@ -all: - gcc page.h fbtool.h fbtool.c test.c -o test -lm -clean: - rm test diff --git a/fb6/color.h~ b/fb6/color.h~ deleted file mode 100644 index 7af2a4a..0000000 --- a/fb6/color.h~ +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _COLOR_H_ -#define _COLOR_H_ - -/** - * 代表颜色的结构体 - * @property r 颜色对应的R值 - * @property g 颜色对应的G值 - * @property b 颜色对应的B值 - * @property t 颜色对应的T值 - */ -typedef struct rgbt{ - uint8_t r; - uint8_t g; - uint8_t b; - uint8_t t; -}RGBT; - -//定义一些常用的颜色属性 -#define BLACK "00000000"  //黑色 -#define YELLOW "ffff0000" //黄色 -#define BLUE_LIGHT "B0E0E600" //淡蓝色 -#define YELLOW_BANANA "E3CF5700" //香蕉色 -#define BLUE_SKY "87CEEB00" //天蓝色 -#define ORIANGE "ff610000" //橙色 -#define GREEN "00ff0000" //绿色 -#define PURPLE "A020F000" //紫色 -#define RED "FF000000" //红色 - - -#endif //_COLOR_H_ - - - - - - - - - - - - - - - - - diff --git a/fb6/fbtool.c~ b/fb6/fbtool.c~ deleted file mode 100644 index 6babc3c..0000000 --- a/fb6/fbtool.c~ +++ /dev/null @@ -1,358 +0,0 @@ -#include "fbtool.h" - -//打开并且初始化该frame buffer -int fb_open(PFBDEV pFbdev) -{ - //打开frame buffer - pFbdev->fb = open(pFbdev->dev,O_RDWR); - - if(pFbdev->fb < 0) - { - printf("打开错误 %s : %n.请检查内核配置\n",pFbdev->dev); - return 0; - } - - // 初始化fb_var - if(-1 == ioctl(pFbdev->fb,FBIOGET_VSCREENINFO,&(pFbdev->fb_var))) - { - printf("ioctl FBIOGET_VSCREENINFO\n"); - return 0; - } - - // 初始化fb_fix - if(-1 == ioctl(pFbdev->fb,FBIOGET_FSCREENINFO,&(pFbdev->fb_fix))) - { - printf("ioctl FBIOGET_FSCREENINFO\n"); - return 0; - } - - //将物理地址映射到虚拟地址 - pFbdev->fb_mem_offset = (unsigned long)pFbdev->fb_fix.smem_start & (~PAGE_MASK); - - pFbdev->fb_mem = (unsigned long int)mmap(NULL,pFbdev->fb_fix.smem_len + pFbdev->fb_mem_offset,PROT_READ|PROT_WRITE,MAP_SHARED,pFbdev->fb,0); - - if(-1L == (long)pFbdev->fb_mem){ - printf("mmap error with mem:%lu,mem_offset:%lu\n",pFbdev->fb_mem_offset,pFbdev->fb_mem); - return 0; - } - - return 1; -} - -//关闭frame buffer -int fb_close(PFBDEV pFbdev) -{ - int r = close(pFbdev->fb); - pFbdev->fb = -1; - - return r; -} - -//打印frame buffer 所占内存的开始地址  -void pmem_start(PFBDEV pFbdev) -{ - printf("frame buffer所占内存的开始地址为:%lu\n",pFbdev->fb_fix.smem_start); -} - -//打印FB_TYPE -void p_type(PFBDEV pFbdev) -{ - printf("frame buffer 的类型为:%d\n",pFbdev->fb_fix.type); -} - -//打印可见清晰度 -void p_visible_res(PFBDEV pFbdev) -{ - printf("frame buffer的可见清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres,pFbdev->fb_var.yres); -} - -//打印虚拟分辨率 -void p_virt_res(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟清晰度为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xres_virtual,pFbdev->fb_var.yres_virtual); -} - -//打印虚拟到可见的偏移量 -void p_offset(PFBDEV pFbdev) -{ - printf("frame buffer的虚拟分辨率到可见分辨率的偏移量为:\n\tx = %d\n\ty = %d\n",pFbdev->fb_var.xoffset,pFbdev->fb_var.yoffset); -} - -//打印每个像素的位数 -void p_bpp(PFBDEV pFbdev) -{ - printf("frame buffer的BPP为:%d\n",pFbdev->fb_var.bits_per_pixel); -} - -//打印R,G,B和透明度 -void p_rgbt(PFBDEV pFbdev) -{ - //R位域 - printf("R位域:\n"); - struct fb_bitfield bf = pFbdev->fb_var.red; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - //G位域 - printf("G位域:\n"); - bf = pFbdev->fb_var.green; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // B位域 - printf("B位域:\n"); - bf = pFbdev->fb_var.blue; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); - - // 透明度位域 - printf("透明度位域:\n"); - bf = pFbdev->fb_var.transp; - printf("\t开始:%d\n",bf.offset); - printf("\t长度:%d\n",bf.length); - printf("\tMSB:%d\n",bf.msb_right); -} - -//打印在内存中的高度和宽度 -void p_hw(PFBDEV pFbdev) -{ - printf("frame buffer在内存中所占的高度和宽度分别是:\n\t宽度 = %d\n\t高度 = %d\n",pFbdev->fb_var.height,pFbdev->fb_var.width); -} - -//清空控制台  -void clear_con(void *addr,int n,size_t len) -{ - memset(addr,n,len); -} - -//映射到内存 -void fb_memcpy(void *addr,void *color,size_t len) -{ - memcpy(addr,color,len); -} - -//画点 -void draw_dot(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b) -{ - uint32_t offset; - uint8_t color[4]; - color[0] = b; - color[1] = g; - color[2] = r; - color[3] = 0x0; //透明度 - - offset = p.y * pFbdev->fb_fix.line_length + 4 * p.x; - //将操作映射到内存中 - fb_memcpy((void*)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset,color,4); -} - -//画点 -void draw_dot_with_trans(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b,uint8_t t) -{ - uint32_t offset; - uint8_t color[4]; - color[0] = b; - color[1] = g; - color[2] = r; - color[3] = t; //透明度 - - offset = p.y * pFbdev->fb_fix.line_length + 4 * p.x; - //将操作映射到内存中 - fb_memcpy((void*)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset,color,4); -} - -//画横线 -void draw_h_line(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b) -{ - int m; - - int length = maxX.x - minX.x; - for(m = 0;m < length;m++){ - POINT tp; - tp.x = minX.x + m; - tp.y = minX.y; - - draw_dot(pFbdev,tp,r,g,b); - } -} - -void draw_h_line_with_trans(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b,uint8_t t){ - int m; - - int length = maxX.x - minX.x; - for(m = 0;m < length;m++){ - POINT tp; - tp.x = minX.x + m; - tp.y = minX.y; - - draw_dot_with_trans(pFbdev,tp,r,g,b,t); - } -} - -//画竖线 -void draw_v_line(PFBDEV pFbdev,POINT minY,POINT maxY,uint8_t r,uint8_t g,uint8_t b) -{ - int m; - - int length = maxY.y - minY.y; - for(m = 0;m < length;m++){ - POINT tp; - tp.x = minY.x; - tp.y = minY.y + m; - - draw_dot(pFbdev,tp,r,g,b); - } -} - - -//画一个矩形框 -void draw_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b) -{ - draw_h_line(pFbdev,lu,ru,r,g,b); - draw_h_line(pFbdev,ld,rd,r,g,b); - draw_v_line(pFbdev,lu,ld,r,g,b); - draw_v_line(pFbdev,ru,rd,r,g,b); -} - -//填充一个矩形框 -void fill_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b) -{ - int xlen = ru.x - lu.x; - int ylen = ld.y - lu.y; - - int m,n; - - for(m = 0;m < ylen;m++){ - for(n = 0;n < xlen;n++){ - POINT p; - p.x = lu.x + n; - p.y = lu.y + m; - - draw_dot(pFbdev,p,r,g,b); - } - } -} - -//画点 -void draw_x_y_dot(PFBDEV pFbdev,int x,int y,uint8_t r,uint8_t g,uint8_t b) -{ - POINT p; - p.x = x; - p.y = y; - - draw_dot(pFbdev,p,r,g,b); -} - -//画点 -void draw_x_y_dot_with_trans(PFBDEV pFbdev,int x,int y,uint8_t r,uint8_t g,uint8_t b,uint8_t t) -{ - POINT p; - p.x = x; - p.y = y; - - draw_dot_with_trans(pFbdev,p,r,g,b,t); -} - -//画点 -void draw_x_y_color_dot(PFBDEV pFbdev,int x,int y,RGBT c) -{ - draw_x_y_dot(pFbdev,x,y,c.r,c.g,c.b); -} - -//画点 -void draw_x_y_color_dot_with_trans(PFBDEV pFbdev,int x,int y,RGBT c) -{ - draw_x_y_dot_with_trans(pFbdev,x,y,c.r,c.g,c.b,c.t); -} - -RGBT getRGBT(const char *temp){ - RGBT rgbt; - - char *c_tmp; - c_tmp = (char *)malloc(4 * sizeof(int)); - - c_tmp[0] = '0'; - c_tmp[1] = 'x'; - int r,g,b,t; - - //RGBT值的计算 - c_tmp[2] = temp[0]; - c_tmp[3] = temp[1]; - - r = strtol(c_tmp,NULL,16); - - c_tmp[2] = temp[2]; - c_tmp[3] = temp[3]; - - g = strtol(c_tmp,NULL,16); - - c_tmp[2] = temp[4]; - c_tmp[3] = temp[5]; - - b = strtol(c_tmp,NULL,16); - - c_tmp[2] = temp[6]; - c_tmp[3] = temp[7]; - - t = strtol(c_tmp,NULL,16); - - rgbt.r = r; - rgbt.g = g; - rgbt.b = b; - rgbt.t = t; - - return rgbt; -} - -//画点 color8位,分别代表RGBT -void draw_x_y_color_dot_with_string(PFBDEV pFbdev,int x,int y,const char *temp) -{ - RGBT rgbt = getRGBT(temp); - - draw_x_y_dot_with_trans(pFbdev,x,y,rgbt.r,rgbt.g,rgbt.b,rgbt.t); -} - -//划横线 -void draw_h_line_with_string(PFBDEV pFbdev,POINT minX,POINT maxX,const char *color) -{ - RGBT rgbt = getRGBT(color); - - draw_h_line_with_trans(pFbdev,minX,maxX,rgbt.r,rgbt.g,rgbt.b,rgbt.t); -} - -//画圆 -void draw_circle(PFBDEV pFbdev,int x,int y,int radius,const char *color) -{ - double i; - - int tmp; - - for(i = x - radius; i < x + radius;i+=0.01){ - tmp = sqrt(radius * radius - (i - x) * (i - x)); - - draw_x_y_color_dot_with_string(pFbdev,i,(tmp + y),color); - draw_x_y_color_dot_with_string(pFbdev,i,(-tmp + y),color); - } -} - - - - - - - - - - - - - - - - - - - diff --git a/fb6/fbtool.h~ b/fb6/fbtool.h~ deleted file mode 100644 index 075997e..0000000 --- a/fb6/fbtool.h~ +++ /dev/null @@ -1,326 +0,0 @@ -#ifndef __FBTOOL_H_ -#define __FBTOOL_H_ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "page.h" -#include "color.h" - -/** - * 该结构体主要是定义了一组保存frame buffer的属性 - * @property fb frame buffer打开后的唯一标识符 - * @property fb_fix frame buffer的固定属性就保存在这个结构体中 - * @property fb_var frame buffer的可变属性保存在这个结构体中 - * @property fb_mem_offset frame buffer所占内存的偏移量 - * @property fb_mem frame buffer的映射到进程内存空间的起始地址 - */ -typedef struct fbdev{ - int fb; - struct fb_fix_screeninfo fb_fix; - struct fb_var_screeninfo fb_var; - /* 新增 */ - unsigned long fb_mem_offset; - unsigned long fb_mem; - - char dev[20]; -}FBDEV,*PFBDEV; - -/** - * 该结构体用于定位点的位置,包括横坐标,纵坐标,深坐标 - * @property x 横坐标 - * @property y 纵坐标 - * @property z 深坐标(这个用于3D) - */ -typedef struct point{ - int x; - int y; - int z; -}POINT,*PPOINT; - -/* - * 该函数用于打开frame buffer - * @param pFbdev 参照结构体 fbdev - * @return 0 - 打开失败 - * 1 - 打开成功 - */ -int fb_open(PFBDEV pFbdev); - -/* - * 该函数用于关闭frame buffer设备 - * @param pFbdev 参照结构体 fbdev - * @return 0 - 关闭成功 - * >0 - 关闭失败 - */ -int fb_close(PFBDEV pFbdev); - -/* - * 该函数用于打印frame buffer 所占内存的开始地址  - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void pmem_start(PFBDEV pFbdev); - -/* - * 该函数用于打印FB_TYPE - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_type(PFBDEV pFbdev); - -/* - * 该函数用于打印可见清晰度 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_visible_res(PFBDEV pFbdev); - -/* - * 该函数用于打印虚拟分辨率 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_virt_res(PFBDEV pFbdev); - -/* - * 该函数用于打印虚拟到可见的偏移量 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_offset(PFBDEV pFbdev); - -/* - * 该函数用于打印每个像素的位数 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_bpp(PFBDEV pFbdev); - -/* - * 该函数用于打印R,G,B和透明度 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_rgbt(PFBDEV pFbdev); - -/* - * 该函数用于打印在内存中的高度和宽度 - * @param pFbdev 参照结构体 fbdev - * @return void - */ -void p_hw(PFBDEV pFbdev); - -/* - * 将addr开始的len个字符用n替换 - * @param addr 开始的地址 - * @param n 替换后的字符 - * @param len 要替换的字符的个数 - * @return void - */ -void clear_con(void *addr,int n,size_t len); - -/* - * 该函数将逻辑地址空间的数据映射到内存当中 - * @param addr 内存空间的地址 - * @param color 颜色值 - * @param len 需要映射的长度 - * @return void - */ -void fb_memcpy(void *addr,void *color,size_t len); - -/* - * 该函数用于在命令行中画点 - * @param pFbdev 参考结构体 fbdev - * @param p 点的坐标 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @return void - */ -void draw_dot(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b); - -/* - * 该函数用于实现画点,不过在这个函数中需要设定透明度参数 - * @param pFbdev 参考结构体 fbdev - * @param p 点的坐标 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @param t 颜色对应的透明度值 - * @return void - */ -void draw_dot_with_trans(PFBDEV pFbdev,POINT p,uint8_t r,uint8_t g,uint8_t b,uint8_t t); - -/* - * 该函数用于指定点的横坐标,纵坐标的值来画点 - * @param pFbdev 参考结构体 fbdev - * @param x 点的坐标对应的横坐标的值 - * @param y 点的坐标对应的纵坐标的值 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - */ -void draw_x_y_dot(PFBDEV pFbdev,int x,int y,uint8_t r,uint8_t g,uint8_t b); - -/* - * 该函数用于指定点的横坐标,纵坐标的值,并且必须指明透明度来画点 - * @param pFbdev 参考结构体 fbdev - * @param x 点的坐标对应的横坐标的值 - * @param y 点的坐标对应的纵坐标的值 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @param t 颜色对应的透明度值 - */ -void draw_x_y_dot_with_trans(PFBDEV pFbdev,int x,int y,uint8_t r,uint8_t g,uint8_t b,uint8_t t); - -/* - * 该函数指定点的横纵坐标,然后使用结构体rgbt来代替颜色来画点 - * @param pFbdev 参考结构体 fbdev - * @param x 点的坐标对应的横坐标的值 - * @param y 点的坐标对应的纵坐标的值 - * @param c 用来代表颜色的结构体 - * @return void - * - */ -void draw_x_y_color_dot(PFBDEV pFbdev,int x,int y,RGBT c); - -/* - * 该函数指定点的横纵坐标,然后使用结构体rgbt来代替颜色来画点,不过在这里指明透明度是有效果 - * @param pFbdev 参考结构体 fbdev - * @param x 点的坐标对应的横坐标的值 - * @param y 点的坐标对应的纵坐标的值 - * @param c 用来代表颜色的结构体 - * @return void - * - */ -void draw_x_y_color_dot_with_trans(PFBDEV pFbdev,int x,int y,RGBT c); - -/* - * 该函数指定点的横纵坐标,然后使用八位的字符串来指明颜色来画点 - * 注意:这里的字符串里面都是16进制的数值,例如,"ffff0000" - * - * @param pFbdev 参考结构体 fbdev - * @param x 点的坐标对应的横坐标的值 - * @param y 点的坐标对应的纵坐标的值 - * @param c 用来代表颜色的结构体 - * @param color 用来指明颜色的字符串 - * @return void - * - */ -void draw_x_y_color_dot_with_string(PFBDEV pFbdev,int x,int y,const char *color); - -/* - * 指定x值较小的点和x值较大的点,并指定颜色的rgb值画一条横线 - * @param pFbdev 参考结构体 fbdev - * @param minX x较小的点 - * @param maxX x较大的点 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @return void - */ -void draw_h_line(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b); - -/* - * 指定x值较小的点和x值较大的点,并指定颜色的rgb值和透明度画一条横线 - * @param pFbdev 参考结构体 fbdev - * @param minX x较小的点 - * @param maxX x较大的点 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @param t 颜色对应的透明度 - * @return void - * - */ -void draw_h_line_with_trans(PFBDEV pFbdev,POINT minX,POINT maxX,uint8_t r,uint8_t g,uint8_t b,uint8_t t); - -/* - * 使用字符串作为颜色的表示来画一条横线 - * @param pFbdev 参考结构体 fbdev - * @param minX x较小的点 - * @param maxX x较大的点 - * @param color 颜色所对应的字符串 - * @return void - */ -void draw_h_line_with_string(PFBDEV pFbdev,POINT minX,POINT maxX,const char *color); - -/* - * 指明y最小的一个点和一个y较大的点,并指明RGB值画一条竖线 - * @param pFbdev 参考结构体 fbdev - * @param minY y较小的点 - * @param maxY y较大的点 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - */ -void draw_v_line(PFBDEV pFbdev,POINT minY,POINT maxY,uint8_t r,uint8_t g,uint8_t b); - -/* - * 画一个矩形框 - * @param pFbdev 参考结构体 fbdev - * @param lu 矩形框左上角的点 - * @param ld 矩形框左下角的点 - * @param ru 矩形框右上角的点 - * @param rd 矩形框右下角的点 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @return void - */ -void draw_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b); - -/* - * 填充一个矩形框 - * @param pFbdev 参考结构体 fbdev - * @param lu 矩形框左上角的点 - * @param ld 矩形框左下角的点 - * @param ru 矩形框右上角的点 - * @param rd 矩形框右下角的点 - * @param r 颜色对应的R值 - * @param g 颜色对应的G值 - * @param b 颜色对应的B值 - * @return void - */ -void fill_rec(PFBDEV pFbdev,POINT lu,POINT ld,POINT ru,POINT rd,uint8_t r,uint8_t g,uint8_t b); - -/* - * 根据字符串获得相应的RGBT - * @param color 颜色对应的字符串 - * @return 返回代表颜色的结构体 RGBT - */ -RGBT getRGBT(const char *color); - -/* - * 画一个圆 - * @param pFbdev 参考结构体 fbdev - * @param x 圆的圆心所在的点的x值 - * @param y 圆的圆心所在的点的y值 - * @param radius 圆的半径的长度 - * @color 代表颜色的字符串 - * @return void - */ -void draw_circle(PFBDEV pFbdev,int x,int y,int radius,const char *color); - -#endif - - - - - - - - - - - - diff --git a/fb6/test.c~ b/fb6/test.c~ deleted file mode 100644 index b1bec76..0000000 --- a/fb6/test.c~ +++ /dev/null @@ -1,125 +0,0 @@ -#include "fbtool.h" - -int main() -{ - FBDEV fbdev; - - memset(&fbdev,0,sizeof(FBDEV)); - strcpy(fbdev.dev,"/dev/fb0"); - - if(0 == fb_open(&fbdev)){ - printf("Open fail!!\n"); - return -1; - } - - /** - //打印frame buffer 所占内存的开始地址  - pmem_start(&fbdev); - //打印FB_TYPE - p_type(&fbdev); - //打印可见清晰度 - p_visible_res(&fbdev); - //打印虚拟分辨率 - p_virt_res(&fbdev); - //打印虚拟到可见的偏移量 - p_offset(&fbdev); - //打印每个像素的位数 - p_bpp(&fbdev); - //打印R,G,B和透明度 - p_rgbt(&fbdev); - //打印在内存中的高度和宽度 - p_hw(&fbdev); - //打印fb的RGB和透明度的位域 - p_rgbt(&fbdev); - - getchar(); - - //清屏 - clear_con(fbdev.fb_mem + fbdev.fb_mem_offset,-1,fbdev.fb_fix.smem_len); */ - - - POINT p; - p.x = 100; - p.y = 100; - //画点 - draw_x_y_dot(&fbdev,100,100,0x0,0xff,0x0); - /* - RGBT c; - c.r = 0xff; - c.g = 0xff; - c.b = 0xff; - c.t = 0x00; - //draw_x_y_color_dot_with_trans(&fbdev,100,100,RED); - draw_x_y_color_dot_with_string(&fbdev,100,100,YELLOW); - - //划横线 - //画横线 - POINT p21; - p21.x = 120; - p21.y = 100; - POINT p2; - p2.x = 160; - p2.y = 160; - //draw_h_line(&fbdev,p21,p2,0x0,0xff,0x0); - draw_h_line_with_string(&fbdev,p21,p2,RED); - - //画竖线 - POINT p31; - p31.x = 100; - p31.y = 120; - POINT p3; - p3.x = 100; - p3.y = 160; - draw_v_line(&fbdev,p31,p3,0x0,0xff,0x0); - - POINT p40; - p40.x = 120; - p40.y = 120; - POINT p41; - p41.x = 160; - p41.y = 120; - POINT p42; - p42.x = 120; - p42.y = 160; - POINT p43; - p43.x = 160; - p43.y = 160; - //画矩形 - draw_rec(&fbdev,p40,p42,p41,p43,0x0,0xff,0x0); - - POINT p50; - p50.x = 100; - p50.y = 180; - POINT p51; - p51.x = 160; - p51.y = 180; - POINT p52; - p52.x = 100; - p52.y = 220; - POINT p53; - p53.x = 160; - p53.y = 220; - //填充矩形 - fill_rec(&fbdev,p50,p52,p51,p53,0x0,0xff,0x0);*/ - - draw_circle(&fbdev,500,400,100,RED); - - fb_close(&fbdev); - - return 0; -} - - - - - - - - - - - - - - -