督查报告的写法:framebuffer驱动全篇（二）（转载）

来源：百度文库 编辑：偶看新闻 时间：2024/05/06 00:03:22
还是要补充点，下面是/linux/fb.h的部分注释，加粗的是常用的，红色是关键的，一般不可少。旁边没有汉字，要么很简单没必要加注，要么就用不到！注释：good02xaut@hotmail.com#ifndef _LINUX_FB_H#define _LINUX_FB_H #include #include  /* Definitions of frame buffers                     */ #define FB_MAJOR        29  /*主设备号*/#define FB_MAX          32  /* sufficient for now */ /* 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/* 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    */#define FB_TYPE_PLANES          1   /* Non interleaved planes */#define FB_TYPE_INTERLEAVED_PLANES  2   /* Interleaved planes   */#define FB_TYPE_TEXT            3   /* Text/attributes  */#define FB_TYPE_VGA_PLANES      4   /* EGA/VGA planes   */ #define FB_AUX_TEXT_MDA     0   /* Monochrome text */#define FB_AUX_TEXT_CGA     1   /* CGA/EGA/VGA Color text */#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_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 */#define FB_VISUAL_MONO10        1   /* Monochr. 1=White 0=Black */#define FB_VISUAL_TRUECOLOR     2   /* True color   */#define FB_VISUAL_PSEUDOCOLOR       3   /* Pseudo color (like atari) */#define FB_VISUAL_DIRECTCOLOR       4   /* Direct color */#define FB_VISUAL_STATIC_PSEUDOCOLOR    5   /* Pseudo color readonly */ #define FB_ACCEL_NONE       0   /* no hardware accelerator  */#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        *//*上面的宏定义不用关心*/ /*不可修改的屏幕信息，用户空间可见*/struct fb_fix_screeninfo {    char id[16];         /* identification string eg "TT Builtin" */    unsigned long smem_start;   /* Start of frame buffer mem 显存的起始地址*/                  /* (physical address) */    __u32 smem_len;          /* Length of frame buffer mem 显存的大小 */    __u32 type;          /* see FB_TYPE_*     */    __u32 type_aux;          /* Interleave for interleaved Planes */    __u32 visual;        /* see FB_VISUAL_*       */     __u16 xpanstep;          /* zero if no hardware panning  */    __u16 ypanstep;          /* zero if no hardware panning  */    __u16 ywrapstep;     /* zero if no hardware ywrap    */    __u32 line_length;       /* length of a line in bytes  每行的字节数  */    unsigned long mmio_start;   /* Start of Memory Mapped I/O   */                  /* (physical address) */    __u32 mmio_len;          /* Length of Memory Mapped I/O  */    __u32 accel;           /* Type of acceleration available */    __u16 reserved[3];       /* Reserved for future compatibility */}; /* 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. This implies * big-endian byte order if bits_per_pixel is greater than 8. */ /*像素所占字节内，各个颜色的位分配比如RGB=888,565,555等等，*/struct fb_bitfield {    __u32 offset;        /* beginning of bitfield */    __u32 length;        /* length of bitfield       */    __u32 msb_right;     /* != 0 : Most significant bit is */                   /* right */ }; /*下面的宏也不常用*/#define FB_NONSTD_HAM       1   /* Hold-And-Modify (HAM)        */ #define FB_ACTIVATE_NOW     0   /* set values immediately (or vbl)*/#define FB_ACTIVATE_NXTOPEN 1   /* activate on next open    */#define FB_ACTIVATE_TEST    2   /* don't set, round up impossible */#define FB_ACTIVATE_MASK       15                    /* values           */#define FB_ACTIVATE_VBL        16   /* activate values on next vbl  */#define FB_CHANGE_CMAP_VBL     32   /* change colormap on vbl   */#define FB_ACTIVATE_ALL        64   /* change all VCs on this fb    */ #define FB_ACCELF_TEXT      1   /* text mode acceleration */ #define FB_SYNC_HOR_HIGH_ACT    1   /* horizontal sync high active  */#define FB_SYNC_VERT_HIGH_ACT   2   /* vertical sync high active    */#define FB_SYNC_EXT     4   /* external sync        */#define FB_SYNC_COMP_HIGH_ACT   8   /* composite sync high active   */#define FB_SYNC_BROADCAST   16  /* broadcast video timings  　 Framebuffer驱动程序模型   下图会向你展示目前的framebuffer设备驱动的结构，最常用的是非标准驱动。很明显他所处的层次最高，程序编写是最容易的。理解了这个图的，你已经很轻松的去完成一个fb驱动，比如给sa1100,s2410,s2440系列的ARM的LCD控制器写驱动。
《孟子二章》的全篇翻译谁知道？ 珍惜时间的诗（全篇） 哪里可以看到，沧月的 拜月教（护花铃）全篇？ 全篇三字经 三字经 全篇 诗经全篇 《徐文长传》全篇翻译/教案（是华东师范大学出版的） 那里有六一文艺汇演的开幕词啊，（幼儿园小朋友演出）要全篇啊！ 那里有六一文艺汇演的开幕词啊，（幼儿园小朋友演出）要全篇啊！ 请问一下哪里有小说（一滴血）的全篇啊？ 陶渊明的＜停云＞全篇，，，（是叫停云吧）～～～ 谁有“地藏经”的全篇经文？ （1~3） 江城子全篇 哪位有张若虚《春江花月夜》全篇 谁知道《论语》的全篇？ 谁知道《论语》的全篇？ 帮忙找下这几句词的全篇 《红烛》、《死水》全篇 荒村归来全篇 《起点》作文全篇 全篇修改大小写 《弈秋》全篇译文 文言文全篇翻译《口技》 求一代人 顾城 全篇