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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 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;
int mtrr_off;
struct{
int vram;
} mtrr;
/* 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;
};
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;
};
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;
/* 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_setBLANK)(struct lynxfb_output*, int);
};
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;
};
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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