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#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
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