sis_main.h

内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系统,编译内核

	4, 640, 480, 85}, {
	5, 640, 480, 100}, {
	6, 640, 480, 120}, {
	7, 640, 480, 160}, {
	8, 640, 480, 200}, {
	1, 720, 480, 60}, {
	1, 720, 576, 50}, {
	1, 800, 600, 56}, {
	2, 800, 600, 60}, {
	3, 800, 600, 72}, {
	4, 800, 600, 75}, {
	5, 800, 600, 85}, {
	6, 800, 600, 100}, {
	7, 800, 600, 120}, {
	8, 800, 600, 160}, {
	1, 1024, 768, 43}, {
	2, 1024, 768, 60}, {
	3, 1024, 768, 70}, {
	4, 1024, 768, 75}, {
	5, 1024, 768, 85}, {
	6, 1024, 768, 100}, {
	7, 1024, 768, 120}, {
	1, 1280, 1024, 43}, {
	2, 1280, 1024, 60}, {
	3, 1280, 1024, 75}, {
	4, 1280, 1024, 85}, {
	1, 1600, 1200, 60}, {
	2, 1600, 1200, 65}, {
	3, 1600, 1200, 70}, {
	4, 1600, 1200, 75}, {
	5, 1600, 1200, 85}, {
	1, 1920, 1440, 60}, {
	0, 0, 0, 0}
};

/* Offscreen layout */
typedef struct _SIS_GLYINFO {
	unsigned char ch;
	int fontwidth;
	int fontheight;
	u8 gmask[72];
	int ngmask;
} SIS_GLYINFO;

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;

// Eden Chen
static 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;
//~Eden Chen

/* ---------------------- Routine Prototype ------------------------- */

/* Interface used by the world */
int sisfb_setup (char *options);
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 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_ioctl (struct inode *inode, struct file *file,
			unsigned int cmd, unsigned long arg, int con,
			struct fb_info *info);

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

/* hardware access routines */
void sisfb_set_reg1 (u16 port, u16 index, u16 data);
void sisfb_set_reg3 (u16 port, u16 data);
void sisfb_set_reg4 (u16 port, unsigned long data);
u8 sisfb_get_reg1 (u16 port, u16 index);
u8 sisfb_get_reg2 (u16 port);
u32 sisfb_get_reg3 (u16 port);
// Eden Chen
//void sisfb_clear_DAC(u16 port);
//void sisfb_clear_buffer(PHW_DEVICE_EXTENSION psishw_ext);
// ~Eden Chen

/* Internal routines */
static void sisfb_search_mode (const char *name);
static void sisfb_validate_mode (void);
static u8 sisfb_search_refresh_rate (unsigned int rate);
static int sis_getcolreg (unsigned regno, unsigned *red, unsigned *green,
			  unsigned *blue, unsigned *transp,
			  struct fb_info *fb_info);
static int sis_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_set_disp (int con, struct fb_var_screeninfo *var);
static void sisfb_do_install_cmap (int con, struct fb_info *info);

/* Chip-dependent Routines */
#ifdef CONFIG_FB_SIS_300
static int sisfb_get_dram_size_300 (void);
//extern BOOLEAN SiSInit300(PHW_DEVICE_EXTENSION HwDeviceExtension);
static void sisfb_detect_VB_connect_300 (void);
static void sisfb_get_VB_type_300 (void);
static int sisfb_has_VB_300 (void);
//extern BOOLEAN SiSSetMode(PHW_DEVICE_EXTENSION HwDeviceExtension,USHORT ModeNo);
#endif
#ifdef CONFIG_FB_SIS_315
static int sisfb_get_dram_size_315 (void);
//extern BOOLEAN SiSInit310(PHW_DEVICE_EXTENSION HwDeviceExtension);
static void sisfb_detect_VB_connect_315 (void);
static void sisfb_get_VB_type_315 (void);
//extern BOOLEAN SiSSetMode310(PHW_DEVICE_EXTENSION HwDeviceExtension, USHORT ModeNo);
#endif

/* SetMode routines */

// Eden Chen
extern BOOLEAN SiSSetMode (PSIS_HW_DEVICE_INFO HwDeviceExtension,
			   USHORT ModeNo);
extern BOOLEAN SiSInit (PSIS_HW_DEVICE_INFO HwDeviceExtension);
// ~Eden Chen

static void sisfb_pre_setmode (void);
static void sisfb_post_setmode (void);
static void sisfb_crtc_to_var (struct fb_var_screeninfo *var);

/* Export functions  */
static void sis_get_glyph (SIS_GLYINFO * gly);
void sis_dispinfo (struct ap_data *rec);
void sis_malloc (struct sis_memreq *req);
void sis_free (unsigned long base);

/* 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);

/* 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);

#endif