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#ifndef _LINUX_SISFB
#define _LINUX_SISFB

#include <linux/spinlock.h>

#include <asm/ioctl.h>
#include <asm/types.h>

#define DISPTYPE_CRT1       0x00000008L
#define DISPTYPE_CRT2       0x00000004L
#define DISPTYPE_LCD        0x00000002L
#define DISPTYPE_TV         0x00000001L
#define DISPTYPE_DISP1      DISPTYPE_CRT1
#define DISPTYPE_DISP2      (DISPTYPE_CRT2 | DISPTYPE_LCD | DISPTYPE_TV)
#define DISPMODE_SINGLE     0x00000020L
#define DISPMODE_MIRROR     0x00000010L
#define DISPMODE_DUALVIEW   0x00000040L

#define HASVB_NONE              0x00
#define HASVB_301               0x01
#define HASVB_LVDS              0x02
#define HASVB_TRUMPION          0x04
#define HASVB_LVDS_CHRONTEL     0x10
#define HASVB_302               0x20
#define HASVB_303               0x40
#define HASVB_CHRONTEL          0x80

/* TW: *Never* change the order of the following enum */
typedef enum _SIS_CHIP_TYPE {
        SIS_VGALegacy = 0,
        SIS_300,
        SIS_630,
        SIS_540,
        SIS_730,
        SIS_315H,
        SIS_315,
        SIS_315PRO,
        SIS_550,
        SIS_650,
        SIS_740,
        SIS_330,
        MAX_SIS_CHIP
} SIS_CHIP_TYPE;

typedef enum _VGA_ENGINE {
        UNKNOWN_VGA = 0,
        SIS_300_VGA,
        SIS_315_VGA,
} VGA_ENGINE;

typedef enum _TVTYPE {
        TVMODE_NTSC = 0,
        TVMODE_PAL,
        TVMODE_HIVISION,
        TVMODE_TOTAL
} SIS_TV_TYPE;

typedef enum _TVPLUGTYPE {
        TVPLUG_Legacy = 0,
        TVPLUG_COMPOSITE,
        TVPLUG_SVIDEO,
        TVPLUG_SCART,
        TVPLUG_TOTAL
} SIS_TV_PLUG;

struct sis_memreq {
        unsigned long offset;
        unsigned long size;
};

struct mode_info {
        int    bpp;
        int    xres;
        int    yres;
        int    v_xres;
        int    v_yres;
        int    org_x;
        int    org_y;
        unsigned int  vrate;
};

struct ap_data {
        struct mode_info minfo;
        unsigned long iobase;
        unsigned int  mem_size;
        unsigned long disp_state;      
        SIS_CHIP_TYPE chip;
        unsigned char hasVB;
        SIS_TV_TYPE TV_type;
        SIS_TV_PLUG TV_plug;
        unsigned long version;
        char reserved[256];
};

struct video_info {
        int           chip_id;
        unsigned int  video_size;
        unsigned long video_base;
        char  *       video_vbase;
        unsigned long mmio_base;
        char  *       mmio_vbase;
        unsigned long vga_base;
        unsigned long mtrr;
        unsigned long heapstart;

        int    video_bpp;
        int    video_cmap_len;
        int    video_width;
        int    video_height;
        int    video_vwidth;
        int    video_vheight;
        int    org_x;
        int    org_y;
        int    video_linelength;
        unsigned int refresh_rate;

        unsigned long disp_state;
        unsigned char hasVB;
        unsigned char TV_type;
        unsigned char TV_plug;

        SIS_CHIP_TYPE chip;
        unsigned char revision_id;

        unsigned short DstColor;                /* TW: For 2d acceleration */
        unsigned long  SiS310_AccelDepth;
        unsigned long  CommandReg;

        spinlock_t     lockaccel;

        unsigned int   pcibus;
        unsigned int   pcislot;
        unsigned int   pcifunc;

        int            accel;

        unsigned short subsysvendor;
        unsigned short subsysdevice;

        char reserved[236];
};


/* TW: Addtional IOCTL for communication sisfb <> X driver                 */
/*     If changing this, vgatypes.h must also be changed (for X driver)    */

/* TW: ioctl for identifying and giving some info (esp. memory heap start) */

/*
 * NOTE! The ioctl types used to be "size_t" by mistake, but were
 * really meant to be __u32. Changed to "__u32" even though that
 * changes the value on 64-bit architectures, because the value
 * (with a 4-byte size) is also hardwired in vgatypes.h for user
 * space exports. So "__u32" is actually more compatible, duh!
 */
#define SISFB_GET_INFO          _IOR('n',0xF8,__u32)
#define SISFB_GET_VBRSTATUS     _IOR('n',0xF9,__u32)

/* TW: Structure argument for SISFB_GET_INFO ioctl  */
typedef struct _SISFB_INFO sisfb_info, *psisfb_info;

struct _SISFB_INFO {
        unsigned long sisfb_id;         /* for identifying sisfb */
#ifndef SISFB_ID
#define SISFB_ID          0x53495346    /* Identify myself with 'SISF' */
#endif
        int    chip_id;                 /* PCI ID of detected chip */
        int    memory;                  /* video memory in KB which sisfb manages */
        int    heapstart;               /* heap start (= sisfb "mem" argument) in KB */
        unsigned char fbvidmode;        /* current sisfb mode */
       
        unsigned char sisfb_version;
        unsigned char sisfb_revision;
        unsigned char sisfb_patchlevel;

        unsigned char sisfb_caps;       /* Sisfb capabilities */

        int    sisfb_tqlen;             /* turbo queue length (in KB) */

        unsigned int sisfb_pcibus;      /* The card's PCI ID */
        unsigned int sisfb_pcislot;
        unsigned int sisfb_pcifunc;

        unsigned char sisfb_lcdpdc;     /* PanelDelayCompensation */
       
        unsigned char sisfb_lcda;       /* Detected status of LCDA for low res/text modes */

        char reserved[235];             /* for future use */
};

#ifdef __KERNEL__
extern struct video_info ivideo;

extern void sis_malloc(struct sis_memreq *req);
extern void sis_free(unsigned long base);
extern void sis_dispinfo(struct ap_data *rec);
#endif
#endif