diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750.h')
| -rw-r--r-- | drivers/staging/sm750fb/sm750.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h new file mode 100644 index 000000000000..0847d2bd95c8 --- /dev/null +++ b/drivers/staging/sm750fb/sm750.h @@ -0,0 +1,186 @@ +#ifndef LYNXDRV_H_ +#define LYNXDRV_H_ + + + +#define FB_ACCEL_SMI 0xab +/* please use revision id to distinguish sm750le and sm750*/ +#define SPC_SM750 0 + +//#define SPC_SM750LE 8 + +#define MB(x) ((x)<<20) +#define MHZ(x) ((x) * 1000000) +/* align should be 2,4,8,16 */ +#define PADDING(align,data) (((data)+(align)-1)&(~((align) -1))) +extern int smi_indent; + + +struct lynx_accel{ + /* base virtual address of DPR registers */ + volatile unsigned char __iomem * dprBase; + /* base virtual address of de data port */ + volatile unsigned char __iomem * dpPortBase; + + /* function fointers */ + void (*de_init)(struct lynx_accel *); + + int (*de_wait)(void);/* see if hardware ready to work */ + + int (*de_fillrect)(struct lynx_accel *,u32,u32,u32, + u32,u32,u32,u32,u32,u32); + + int (*de_copyarea)(struct lynx_accel *,u32,u32,u32,u32, + u32,u32,u32,u32, + u32,u32,u32,u32); + + int (*de_imageblit)(struct lynx_accel *,const char *,u32,u32,u32, + u32,u32,u32,u32,u32,u32,u32,u32,u32); + +}; + +/* lynx_share stands for a presentation of two frame buffer + that use one smi adaptor , it is similar to a basic class of C++ +*/ +struct lynx_share{ + /* common members */ + u16 devid; + u8 revid; + struct pci_dev * pdev; + struct fb_info * fbinfo[2]; + struct lynx_accel accel; + int accel_off; + int dual; +#ifdef CONFIG_MTRR + int mtrr_off; + struct{ + int vram; + int vram_added; + }mtrr; +#endif + /* all smi graphic adaptor got below attributes */ + unsigned long vidmem_start; + unsigned long vidreg_start; + __u32 vidmem_size; + __u32 vidreg_size; + void __iomem * pvReg; + unsigned char __iomem * pvMem; + /* locks*/ + spinlock_t slock; + /* function pointers */ + void (*suspend)(struct lynx_share*); + void (*resume)(struct lynx_share*); +}; + +struct lynx_cursor{ + /* cursor width ,height and size */ + int w; + int h; + int size; + /* hardware limitation */ + int maxW; + int maxH; + /* base virtual address and offset of cursor image */ + char __iomem * vstart; + int offset; + /* mmio addr of hw cursor */ + volatile char __iomem * mmio; + /* the lynx_share of this adaptor */ + struct lynx_share * share; + /* proc_routines */ + void (*enable)(struct lynx_cursor *); + void (*disable)(struct lynx_cursor *); + void (*setSize)(struct lynx_cursor *,int,int); + void (*setPos)(struct lynx_cursor *,int,int); + void (*setColor)(struct lynx_cursor *,u32,u32); + void (*setData)(struct lynx_cursor *,u16,const u8*,const u8*); +}; + +struct lynxfb_crtc{ + unsigned char __iomem * vCursor;//virtual address of cursor + unsigned char __iomem * vScreen;//virtual address of on_screen + int oCursor;//cursor address offset in vidmem + int oScreen;//onscreen address offset in vidmem + int channel;/* which channel this crtc stands for*/ + resource_size_t vidmem_size;/* this view's video memory max size */ + + /* below attributes belong to info->fix, their value depends on specific adaptor*/ + u16 line_pad;/* padding information:0,1,2,4,8,16,... */ + u16 xpanstep; + u16 ypanstep; + u16 ywrapstep; + + void * priv; + + int(*proc_setMode)(struct lynxfb_crtc*, + struct fb_var_screeninfo*, + struct fb_fix_screeninfo*); + + int(*proc_checkMode)(struct lynxfb_crtc*,struct fb_var_screeninfo*); + int(*proc_setColReg)(struct lynxfb_crtc*,ushort,ushort,ushort,ushort); + void (*clear)(struct lynxfb_crtc*); + /* pan display */ + int (*proc_panDisplay)(struct lynxfb_crtc *, + const struct fb_var_screeninfo *, + const struct fb_info *); + /* cursor information */ + struct lynx_cursor cursor; +}; + +struct lynxfb_output{ + int dpms; + int paths; + /* which paths(s) this output stands for,for sm750: + paths=1:means output for panel paths + paths=2:means output for crt paths + paths=3:means output for both panel and crt paths + */ + + int * channel; + /* which channel these outputs linked with,for sm750: + *channel=0 means primary channel + *channel=1 means secondary channel + output->channel ==> &crtc->channel + */ + void * priv; + + int(*proc_setMode)(struct lynxfb_output*, + struct fb_var_screeninfo*, + struct fb_fix_screeninfo*); + + int(*proc_checkMode)(struct lynxfb_output*,struct fb_var_screeninfo*); + int(*proc_setBLANK)(struct lynxfb_output*,int); + void (*clear)(struct lynxfb_output*); +}; + +struct lynxfb_par{ + /* either 0 or 1 for dual head adaptor,0 is the older one registered */ + int index; + unsigned int pseudo_palette[256]; + struct lynxfb_crtc crtc; + struct lynxfb_output output; + struct fb_info * info; + struct lynx_share * share; +}; + +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#endif + + +#define PS_TO_HZ(ps) \ + ({ \ + unsigned long long hz = 1000*1000*1000*1000ULL; \ + do_div(hz,ps); \ + (unsigned long)hz;}) + +static inline unsigned long ps_to_hz(unsigned int psvalue) +{ + unsigned long long numerator=1000*1000*1000*1000ULL; + /* 10^12 / picosecond period gives frequency in Hz */ + do_div(numerator, psvalue); + return (unsigned long)numerator; +} + + +#endif |