drivers/staging/sm750fb/sm750.h

   1 #ifndef LYNXDRV_H_
   2 #define LYNXDRV_H_
   3
   4
   5
   6 #define FB_ACCEL_SMI 0xab
   7 /* please use revision id to distinguish sm750le and sm750*/
   8 #define SPC_SM750 0
   9
  10 #define MB(x) ((x)<<20)
  11 #define MHZ(x) ((x) * 1000000)
  12 /* align should be 2,4,8,16 */
  13 #define PADDING(align, data) (((data)+(align)-1)&(~((align) - 1)))
  14 extern int smi_indent;
  15
  16
  17 struct lynx_accel {
  18         /* base virtual address of DPR registers */
  19         volatile unsigned char __iomem *dprBase;
  20         /* base virtual address of de data port */
  21         volatile unsigned char __iomem *dpPortBase;
  22
  23         /* function fointers */
  24         void (*de_init)(struct lynx_accel *);
  25
  26         int (*de_wait)(void);/* see if hardware ready to work */
  27
  28         int (*de_fillrect)(struct lynx_accel *, u32, u32, u32, u32,
  29                                                 u32, u32, u32, u32, u32);
  30
  31         int (*de_copyarea)(struct lynx_accel *, u32, u32, u32, u32,
  32                                                 u32, u32, u32, u32,
  33                                                 u32, u32, u32, u32);
  34
  35         int (*de_imageblit)(struct lynx_accel *, const char *, u32, u32, u32, u32,
  36                                                                u32, u32, u32, u32,
  37                                                                u32, u32, u32, u32);
  38
  39 };
  40
  41 /* lynx_share stands for a presentation of two frame buffer
  42    that use one smi adaptor , it is similar to a basic class of C++
  43 */
  44 struct lynx_share {
  45         /* common members */
  46         u16 devid;
  47         u8 revid;
  48         struct pci_dev *pdev;
  49         struct fb_info *fbinfo[2];
  50         struct lynx_accel accel;
  51         int accel_off;
  52         int dual;
  53                 int mtrr_off;
  54                 struct{
  55                         int vram;
  56                 } mtrr;
  57         /* all smi graphic adaptor got below attributes */
  58         unsigned long vidmem_start;
  59         unsigned long vidreg_start;
  60         __u32 vidmem_size;
  61         __u32 vidreg_size;
  62         void __iomem *pvReg;
  63         unsigned char __iomem *pvMem;
  64         /* locks*/
  65         spinlock_t slock;
  66         /* function pointers */
  67         void (*suspend)(struct lynx_share *);
  68         void (*resume)(struct lynx_share *);
  69 };
  70
  71 struct lynx_cursor {
  72         /* cursor width ,height and size */
  73         int w;
  74         int h;
  75         int size;
  76         /* hardware limitation */
  77         int maxW;
  78         int maxH;
  79         /* base virtual address and offset  of cursor image */
  80         char __iomem *vstart;
  81         int offset;
  82         /* mmio addr of hw cursor */
  83         volatile char __iomem *mmio;
  84         /* the lynx_share of this adaptor */
  85         struct lynx_share *share;
  86         /* proc_routines */
  87         void (*enable)(struct lynx_cursor *);
  88         void (*disable)(struct lynx_cursor *);
  89         void (*setSize)(struct lynx_cursor *, int, int);
  90         void (*setPos)(struct lynx_cursor *, int, int);
  91         void (*setColor)(struct lynx_cursor *, u32, u32);
  92         void (*setData)(struct lynx_cursor *, u16, const u8*, const u8*);
  93 };
  94
  95 struct lynxfb_crtc {
  96         unsigned char __iomem *vCursor; /* virtual address of cursor */
  97         unsigned char __iomem *vScreen; /* virtual address of on_screen */
  98         int oCursor; /* cursor address offset in vidmem */
  99         int oScreen; /* onscreen address offset in vidmem */
 100         int channel;/* which channel this crtc stands for*/
 101         resource_size_t vidmem_size;/* this view's video memory max size */
 102
 103         /* below attributes belong to info->fix, their value depends on specific adaptor*/
 104         u16 line_pad;/* padding information:0,1,2,4,8,16,... */
 105         u16 xpanstep;
 106         u16 ypanstep;
 107         u16 ywrapstep;
 108
 109         void *priv;
 110
 111         int (*proc_setMode)(struct lynxfb_crtc*,
 112                                                 struct fb_var_screeninfo*,
 113                                                 struct fb_fix_screeninfo*);
 114
 115         int (*proc_checkMode)(struct lynxfb_crtc*, struct fb_var_screeninfo*);
 116         int (*proc_setColReg)(struct lynxfb_crtc*, ushort, ushort, ushort, ushort);
 117         void (*clear)(struct lynxfb_crtc *);
 118         /* pan display */
 119         int (*proc_panDisplay)(struct lynxfb_crtc *,
 120                                const struct fb_var_screeninfo *,
 121                                const struct fb_info *);
 122         /* cursor information */
 123         struct lynx_cursor cursor;
 124 };
 125
 126 struct lynxfb_output {
 127         int dpms;
 128         int paths;
 129         /* which paths(s) this output stands for,for sm750:
 130            paths=1:means output for panel paths
 131            paths=2:means output for crt paths
 132            paths=3:means output for both panel and crt paths
 133         */
 134
 135         int *channel;
 136         /* which channel these outputs linked with,for sm750:
 137            *channel=0 means primary channel
 138            *channel=1 means secondary channel
 139            output->channel ==> &crtc->channel
 140         */
 141         void *priv;
 142
 143         int (*proc_setMode)(struct lynxfb_output*,
 144                                                 struct fb_var_screeninfo*,
 145                                                 struct fb_fix_screeninfo*);
 146
 147         int (*proc_checkMode)(struct lynxfb_output*, struct fb_var_screeninfo*);
 148         int (*proc_setBLANK)(struct lynxfb_output*, int);
 149         void  (*clear)(struct lynxfb_output *);
 150 };
 151
 152 struct lynxfb_par {
 153         /* either 0 or 1 for dual head adaptor,0 is the older one registered */
 154         int index;
 155         unsigned int pseudo_palette[256];
 156         struct lynxfb_crtc crtc;
 157         struct lynxfb_output output;
 158         struct fb_info *info;
 159         struct lynx_share *share;
 160 };
 161
 162 #ifndef offsetof
 163 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 164 #endif
 165
 166
 167 #define PS_TO_HZ(ps)    \
 168                         ({ \
 169                         unsigned long long hz = 1000*1000*1000*1000ULL; \
 170                         do_div(hz, ps); \
 171                         (unsigned long)hz; })
 172
 173 static inline unsigned long ps_to_hz(unsigned int psvalue)
 174 {
 175         unsigned long long numerator = 1000*1000*1000*1000ULL;
 176         /* 10^12 / picosecond period gives frequency in Hz */
 177         do_div(numerator, psvalue);
 178         return (unsigned long)numerator;
 179 }
 180
 181
 182 #endif