sis_main.h

一个2.4.21版本的嵌入式linux内核

	u8 gmask[72];
	int ngmask;
} SIS_GLYINFO;
#endif

typedef struct _SIS_OH {
	struct _SIS_OH *poh_next;
	struct _SIS_OH *poh_prev;
	unsigned long offset;
	unsigned long size;
} SIS_OH;

typedef struct _SIS_OHALLOC {
	struct _SIS_OHALLOC *poha_next;
	SIS_OH aoh[1];
} SIS_OHALLOC;

typedef struct _SIS_HEAP {
	SIS_OH oh_free;
	SIS_OH oh_used;
	SIS_OH *poh_freelist;
	SIS_OHALLOC *poha_chain;
	unsigned long max_freesize;
} SIS_HEAP;

static unsigned long sisfb_hwcursor_vbase;

static unsigned long sisfb_heap_start;
static unsigned long sisfb_heap_end;
static unsigned long sisfb_heap_size;
static SIS_HEAP      sisfb_heap;

static const struct _sis_TV_filter {
	u8 filter[9][4];
} sis_TV_filter[] = {
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_0 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_1 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_2 */
	   {0xF5,0xEE,0x1B,0x44},
	   {0xF8,0xF4,0x18,0x38},
	   {0xEB,0x04,0x25,0x18},
	   {0xF1,0x05,0x1F,0x16},
	   {0xF6,0x06,0x1A,0x14},
	   {0xFA,0x06,0x16,0x14},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_3 */
	   {0xF1,0x04,0x1F,0x18},
	   {0xEE,0x0D,0x22,0x06},
	   {0xF7,0x06,0x19,0x14},
	   {0xF4,0x0B,0x1C,0x0A},
	   {0xFA,0x07,0x16,0x12},
	   {0xF9,0x0A,0x17,0x0C},
	   {0x00,0x07,0x10,0x12}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_4 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_5 */
	   {0xF5,0xEE,0x1B,0x44},
	   {0xF8,0xF4,0x18,0x38},
	   {0xEB,0x04,0x25,0x18},
	   {0xF1,0x05,0x1F,0x16},
	   {0xF6,0x06,0x1A,0x14},
	   {0xFA,0x06,0x16,0x14},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_6 */
	   {0xEB,0x04,0x25,0x18},
	   {0xE7,0x0E,0x29,0x04},
	   {0xEE,0x0C,0x22,0x08},
	   {0xF6,0x0B,0x1A,0x0A},
	   {0xF9,0x0A,0x17,0x0C},
	   {0xFC,0x0A,0x14,0x0C},
	   {0x00,0x08,0x10,0x10}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* NTSCFilter_7 */
	   {0xEC,0x02,0x24,0x1C},
	   {0xF2,0x04,0x1E,0x18},
	   {0xEB,0x15,0x25,0xF6},
	   {0xF4,0x10,0x1C,0x00},
	   {0xF8,0x0F,0x18,0x02},
	   {0x00,0x04,0x10,0x18},
	   {0x01,0x06,0x0F,0x14}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_0 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_1 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_2 */
	   {0xF5,0xEE,0x1B,0x44},
	   {0xF8,0xF4,0x18,0x38},
	   {0xF1,0xF7,0x01,0x32},
	   {0xF5,0xFB,0x1B,0x2A},
	   {0xF9,0xFF,0x17,0x22},
	   {0xFB,0x01,0x15,0x1E},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_3 */
	   {0xF5,0xFB,0x1B,0x2A},
	   {0xEE,0xFE,0x22,0x24},
	   {0xF3,0x00,0x1D,0x20},
	   {0xF9,0x03,0x17,0x1A},
	   {0xFB,0x02,0x14,0x1E},
	   {0xFB,0x04,0x15,0x18},
	   {0x00,0x06,0x10,0x14}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_4 */
	   {0x00,0xE0,0x10,0x60},
	   {0x00,0xEE,0x10,0x44},
	   {0x00,0xF4,0x10,0x38},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0x00,0x00,0x10,0x20},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_5 */
	   {0xF5,0xEE,0x1B,0x44},
	   {0xF8,0xF4,0x18,0x38},
	   {0xF1,0xF7,0x1F,0x32},
	   {0xF5,0xFB,0x1B,0x2A},
	   {0xF9,0xFF,0x17,0x22},
	   {0xFB,0x01,0x15,0x1E},
	   {0x00,0x04,0x10,0x18}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_6 */
	   {0xF5,0xEE,0x1B,0x2A},
	   {0xEE,0xFE,0x22,0x24},
	   {0xF3,0x00,0x1D,0x20},
	   {0xF9,0x03,0x17,0x1A},
	   {0xFB,0x02,0x14,0x1E},
	   {0xFB,0x04,0x15,0x18},
	   {0x00,0x06,0x10,0x14}, 
	   {0xFF,0xFF,0xFF,0xFF} }},
	{ {{0x00,0x00,0x00,0x40},  /* PALFilter_7 */
	   {0xF5,0xEE,0x1B,0x44},
	   {0xF8,0xF4,0x18,0x38},
	   {0xFC,0xFB,0x14,0x2A},
	   {0xEB,0x05,0x25,0x16},
	   {0xF1,0x05,0x1F,0x16},
	   {0xFA,0x07,0x16,0x12},
	   {0x00,0x07,0x10,0x12}, 
	   {0xFF,0xFF,0xFF,0xFF} }}
};

static int           filter = -1;
static unsigned char filter_tb;

/* ---------------------- Prototypes ------------------------- */

/* Interface used by the world */
#ifndef MODULE
int             sisfb_setup(char *options);
#endif

/* Interface to the low level console driver */
int             sisfb_init(void);

/* fbdev routines */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
static int      sisfb_get_fix(struct fb_fix_screeninfo *fix, 
			      int con,
			      struct fb_info *info);
static int      sisfb_get_var(struct fb_var_screeninfo *var, 
			      int con,
			      struct fb_info *info);
static int      sisfb_set_var(struct fb_var_screeninfo *var, 
			      int con,
			      struct fb_info *info);
static void     sisfb_crtc_to_var(struct fb_var_screeninfo *var);			      
static int      sisfb_get_cmap(struct fb_cmap *cmap, 
			       int kspc, 
			       int con,
			       struct fb_info *info);
static int      sisfb_set_cmap(struct fb_cmap *cmap, 
			       int kspc, 
			       int con,
			       struct fb_info *info);			
static int      sisfb_update_var(int con, 
				 struct fb_info *info);
static int      sisfb_switch(int con, 
			     struct fb_info *info);
static void     sisfb_blank(int blank, 
			    struct fb_info *info);
static void     sisfb_set_disp(int con, 
			       struct fb_var_screeninfo *var, 
                               struct fb_info *info);
static int      sis_getcolreg(unsigned regno, unsigned *red, unsigned *green,
			      unsigned *blue, unsigned *transp,
			      struct fb_info *fb_info);
static void     sisfb_do_install_cmap(int con, 
                                      struct fb_info *info);
static void     sis_get_glyph(struct fb_info *info, 
                              SIS_GLYINFO *gly);
static int 	sisfb_mmap(struct fb_info *info, struct file *file,
		           struct vm_area_struct *vma);	
static int      sisfb_ioctl(struct inode *inode, struct file *file,
		       	    unsigned int cmd, unsigned long arg, int con,
		       	    struct fb_info *info);		      
#endif			

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
static int      sisfb_set_par(struct fb_info *info);
static int      sisfb_blank(int blank, 
                            struct fb_info *info);			
static int 	sisfb_mmap(struct fb_info *info, struct file *file,
		           struct vm_area_struct *vma);			    
extern void     fbcon_sis_fillrect(struct fb_info *info, 
                                   const struct fb_fillrect *rect);
extern void     fbcon_sis_copyarea(struct fb_info *info, 
                                   const struct fb_copyarea *area);
extern int      fbcon_sis_sync(struct fb_info *info);
static int      sisfb_ioctl(struct inode *inode, 
	 		    struct file *file,
		       	    unsigned int cmd, 
			    unsigned long arg, 
		       	    struct fb_info *info);
extern int	sisfb_mode_rate_to_dclock(SiS_Private *SiS_Pr, 
			      PSIS_HW_DEVICE_INFO HwDeviceExtension,
			      unsigned char modeno, unsigned char rateindex);	
extern int      sisfb_mode_rate_to_ddata(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension,
			 unsigned char modeno, unsigned char rateindex,
			 unsigned int *left_margin, unsigned int *right_margin, 
			 unsigned int *upper_margin, unsigned int *lower_margin,
			 unsigned int *hsync_len, unsigned int *vsync_len,
			 unsigned int *sync, unsigned int *vmode);			      		    			      
#endif
			
static int      sisfb_get_fix(struct fb_fix_screeninfo *fix, int con,
			      struct fb_info *info);

/* Internal 2D accelerator functions */
extern int      sisfb_initaccel(void);
extern void     sisfb_syncaccel(void);

/* Internal general routines */
static void     sisfb_search_mode(const char *name);
static int      sisfb_validate_mode(int modeindex, unsigned long vbflags);
static u8       sisfb_search_refresh_rate(unsigned int rate, int index);
static int      sisfb_setcolreg(unsigned regno, unsigned red, unsigned green,
			unsigned blue, unsigned transp,
			struct fb_info *fb_info);
static int      sisfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
		      	struct fb_info *info);
static void     sisfb_pre_setmode(void);
static void     sisfb_post_setmode(void);

static char *   sis_find_rom(void);
static BOOLEAN  sisfb_CheckVBRetrace(void);
static BOOLEAN  sisfbcheckvretracecrt2(void);
static BOOLEAN  sisfbcheckvretracecrt1(void);
static BOOLEAN  sisfb_bridgeisslave(void);
static void     sisfb_detect_VB_connect(void);
static void     sisfb_get_VB_type(void);

/* SiS-specific Export functions */
void            sis_dispinfo(struct ap_data *rec);
void            sis_malloc(struct sis_memreq *req);
void            sis_free(unsigned long base);

/* Internal hardware access routines */
void            sisfb_set_reg4(u16 port, unsigned long data);
u32             sisfb_get_reg3(u16 port);

/* Chipset-dependent internal routines */
#ifdef CONFIG_FB_SIS_300
static int      sisfb_get_dram_size_300(void);
#endif
#ifdef CONFIG_FB_SIS_315
static int      sisfb_get_dram_size_315(void);
#endif

/* Internal heap routines */
static int      sisfb_heap_init(void);
static SIS_OH   *sisfb_poh_new_node(void);
static SIS_OH   *sisfb_poh_allocate(unsigned long size);
static void     sisfb_delete_node(SIS_OH *poh);
static void     sisfb_insert_node(SIS_OH *pohList, SIS_OH *poh);
static SIS_OH   *sisfb_poh_free(unsigned long base);
static void     sisfb_free_node(SIS_OH *poh);

/* Internal routines to access PCI configuration space */
BOOLEAN         sisfb_query_VGA_config_space(PSIS_HW_DEVICE_INFO psishw_ext,
	          	unsigned long offset, unsigned long set, unsigned long *value);
BOOLEAN         sisfb_query_north_bridge_space(PSIS_HW_DEVICE_INFO psishw_ext,
	         	unsigned long offset, unsigned long set, unsigned long *value);

/* Routines from init.c/init301.c */
extern void 	SiSRegInit(SiS_Private *SiS_Pr, USHORT BaseAddr);
extern BOOLEAN  SiSInit(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension);
extern BOOLEAN  SiSSetMode(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension, USHORT ModeNo);
extern void     SiS_SetEnableDstn(SiS_Private *SiS_Pr);
extern void     SiS_LongWait(SiS_Private *SiS_Pr);

/* Chrontel TV functions */
extern USHORT 	SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
extern void 	SiS_SetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
extern USHORT 	SiS_GetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
extern void 	SiS_SetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
extern void     SiS_SetCH70xxANDOR(SiS_Private *SiS_Pr, USHORT tempax,USHORT tempbh);
extern void     SiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime);

/* Sensing routines */
void            SiS_Sense30x(void);
int             SISDoSense(int tempbl, int tempbh, int tempcl, int tempch);
void            SiS_SenseCh(void);			
			
#endif