drivers/staging/sm750fb/sm750_hw.h

   1 #ifndef LYNX_HW750_H__
   2 #define LYNX_HW750_H__
   3
   4
   5 #define DEFAULT_SM750_CHIP_CLOCK                290
   6 #define DEFAULT_SM750LE_CHIP_CLOCK      333
   7 #ifndef SM750LE_REVISION_ID
   8 #define SM750LE_REVISION_ID (unsigned char)0xfe
   9 #endif
  10
  11 //#define DEFAULT_MEM_CLOCK     (DEFAULT_SM750_CHIP_CLOCK/1)
  12 //#define DEFAULT_MASTER_CLOCK  (DEFAULT_SM750_CHIP_CLOCK/3)
  13
  14
  15 enum sm750_pnltype{
  16
  17         sm750_24TFT = 0,/* 24bit tft */
  18
  19         sm750_dualTFT = 2,/* dual 18 bit tft */
  20
  21         sm750_doubleTFT = 1,/* 36 bit double pixel tft */
  22 };
  23
  24 /* vga channel is not concerned  */
  25 enum sm750_dataflow{
  26         sm750_simul_pri,/* primary => all head */
  27
  28         sm750_simul_sec,/* secondary => all head */
  29
  30         sm750_dual_normal,/*    primary => panel head and secondary => crt */
  31
  32         sm750_dual_swap,/*      primary => crt head and secondary => panel */
  33 };
  34
  35
  36 enum sm750_channel{
  37         sm750_primary = 0,
  38         /* enum value equal to the register filed data */
  39         sm750_secondary = 1,
  40 };
  41
  42 enum sm750_path{
  43         sm750_panel = 1,
  44         sm750_crt = 2,
  45         sm750_pnc = 3,/* panel and crt */
  46 };
  47
  48 struct init_status{
  49         ushort powerMode;
  50         /* below three clocks are in unit of MHZ*/
  51         ushort chip_clk;
  52         ushort mem_clk;
  53         ushort master_clk;
  54         ushort setAllEngOff;
  55         ushort resetMemory;
  56 };
  57
  58 struct sm750_state{
  59         struct init_status initParm;
  60         enum sm750_pnltype pnltype;
  61         enum sm750_dataflow dataflow;
  62         int nocrt;
  63         int xLCD;
  64         int yLCD;
  65 };
  66
  67 /*      sm750_share stands for a presentation of two frame buffer
  68         that use one sm750 adaptor, it is similiar to the super class of lynx_share
  69         in C++
  70 */
  71
  72 struct sm750_share{
  73         /* it's better to put lynx_share struct to the first place of sm750_share */
  74         struct lynx_share share;
  75         struct sm750_state state;
  76         int hwCursor;
  77         /*      0: no hardware cursor
  78                 1: primary crtc hw cursor enabled,
  79                 2: secondary crtc hw cursor enabled
  80                 3: both ctrc hw cursor enabled
  81         */
  82 };
  83
  84 int hw_sm750_map(struct lynx_share* share,struct pci_dev* pdev);
  85 int hw_sm750_inithw(struct lynx_share*,struct pci_dev *);
  86 void hw_sm750_initAccel(struct lynx_share *);
  87 int hw_sm750_deWait(void);
  88 int hw_sm750le_deWait(void);
  89
  90 resource_size_t hw_sm750_getVMSize(struct lynx_share *);
  91 int hw_sm750_output_checkMode(struct lynxfb_output*,struct fb_var_screeninfo*);
  92 int hw_sm750_output_setMode(struct lynxfb_output*,struct fb_var_screeninfo*,struct fb_fix_screeninfo*);
  93 int hw_sm750_crtc_checkMode(struct lynxfb_crtc*,struct fb_var_screeninfo*);
  94 int hw_sm750_crtc_setMode(struct lynxfb_crtc*,struct fb_var_screeninfo*,struct fb_fix_screeninfo*);
  95 int hw_sm750_setColReg(struct lynxfb_crtc*,ushort,ushort,ushort,ushort);
  96 int hw_sm750_setBLANK(struct lynxfb_output*,int);
  97 int hw_sm750le_setBLANK(struct lynxfb_output*,int);
  98 void hw_sm750_crtc_clear(struct lynxfb_crtc*);
  99 void hw_sm750_output_clear(struct lynxfb_output*);
 100 int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
 101         const struct fb_var_screeninfo *var,
 102         const struct fb_info *info);
 103
 104 #endif