drivers/video/cyber2000fb.h

   1 /*
   2  * linux/drivers/video/cyber2000fb.h
   3  *
   4  * Integraphics Cyber2000 frame buffer device
   5  */
   6
   7 #define arraysize(x)    (sizeof(x)/sizeof(*(x)))
   8 #define cyber2000_outb(dat,reg) (CyberRegs[reg] = dat)
   9 #define cyber2000_outw(dat,reg) (*(unsigned short *)&CyberRegs[reg] = dat)
  10 #define cyber2000_outl(dat,reg) (*(unsigned long *)&CyberRegs[reg] = dat)
  11
  12 #define cyber2000_inb(reg)      (CyberRegs[reg])
  13 #define cyber2000_inw(reg)      (*(unsigned short *)&CyberRegs[reg])
  14 #define cyber2000_inl(reg)      (*(unsigned long *)&CyberRegs[reg])
  15
  16 static inline void cyber2000_crtcw(int reg, int val)
  17 {
  18         cyber2000_outb(reg, 0x3d4);
  19         cyber2000_outb(val, 0x3d5);
  20 }
  21
  22 static inline void cyber2000_grphw(int reg, int val)
  23 {
  24         cyber2000_outb(reg, 0x3ce);
  25         cyber2000_outb(val, 0x3cf);
  26 }
  27
  28 static inline void cyber2000_attrw(int reg, int val)
  29 {
  30         cyber2000_inb(0x3da);
  31         cyber2000_outb(reg, 0x3c0);
  32         cyber2000_inb(0x3c1);
  33         cyber2000_outb(val, 0x3c0);
  34 }
  35
  36 static inline void cyber2000_seqw(int reg, int val)
  37 {
  38         cyber2000_outb(reg, 0x3c4);
  39         cyber2000_outb(val, 0x3c5);
  40 }
  41
  42 struct cyber2000fb_par {
  43         unsigned long   screen_base;
  44         unsigned long   screen_base_p;
  45         unsigned long   regs_base;
  46         unsigned long   regs_base_p;
  47         unsigned long   screen_end;
  48         unsigned long   screen_size;
  49         unsigned int    palette_size;
  50           signed int    currcon;
  51         /*
  52          * palette
  53          */
  54         struct {
  55                 u8                      red;
  56                 u8                      green;
  57                 u8                      blue;
  58         } palette[256];
  59         /*
  60          * colour mapping table
  61          */
  62         union {
  63 #ifdef FBCON_HAS_CFB16
  64                 u16                     cfb16[16];
  65 #endif
  66 #ifdef FBCON_HAS_CFB24
  67                 u32                     cfb24[16];
  68 #endif
  69         } c_table;
  70 };
  71
  72 struct res {
  73         int     xres;
  74         int     yres;
  75         unsigned char crtc_regs[18];
  76         unsigned char crtc_ofl;
  77         unsigned char clk_regs[4];
  78 };