#ifndef _TDFX_H
#define _TDFX_H

/* membase0 register offsets */
#define STATUS          0x00
#define PCIINIT0        0x04
#define SIPMONITOR      0x08
#define LFBMEMORYCONFIG 0x0c
#define MISCINIT0       0x10
#define MISCINIT1       0x14
#define DRAMINIT0       0x18
#define DRAMINIT1       0x1c
#define AGPINIT         0x20
#define TMUGBEINIT      0x24
#define VGAINIT0        0x28
#define VGAINIT1        0x2c
#define DRAMCOMMAND     0x30
#define DRAMDATA        0x34
/* reserved             0x38 */
/* reserved             0x3c */
#define PLLCTRL0        0x40
#define PLLCTRL1        0x44
#define PLLCTRL2        0x48
#define DACMODE         0x4c
#define DACADDR         0x50
#define DACDATA         0x54
#define RGBMAXDELTA     0x58
#define VIDPROCCFG      0x5c
#define HWCURPATADDR    0x60
#define HWCURLOC        0x64
#define HWCURC0         0x68
#define HWCURC1         0x6c
#define VIDINFORMAT     0x70
#define VIDINSTATUS     0x74
#define VIDSERPARPORT   0x78
#define VIDINXDELTA     0x7c
#define VIDININITERR    0x80
#define VIDINYDELTA     0x84
#define VIDPIXBUFTHOLD  0x88
#define VIDCHRMIN       0x8c
#define VIDCHRMAX       0x90
#define VIDCURLIN       0x94
#define VIDSCREENSIZE   0x98
#define VIDOVRSTARTCRD  0x9c
#define VIDOVRENDCRD    0xa0
#define VIDOVRDUDX      0xa4
#define VIDOVRDUDXOFF   0xa8
#define VIDOVRDVDY      0xac
/*  ... */
#define VIDOVRDVDYOFF   0xe0
#define VIDDESKSTART    0xe4
#define VIDDESKSTRIDE   0xe8
#define VIDINADDR0      0xec
#define VIDINADDR1      0xf0
#define VIDINADDR2      0xf4
#define VIDINSTRIDE     0xf8
#define VIDCUROVRSTART  0xfc

#define INTCTRL         (0x00100000 + 0x04)
#define CLIP0MIN        (0x00100000 + 0x08)
#define CLIP0MAX        (0x00100000 + 0x0c)
#define DSTBASE         (0x00100000 + 0x10)
#define DSTFORMAT       (0x00100000 + 0x14)
#define SRCBASE         (0x00100000 + 0x34)
#define COMMANDEXTRA_2D (0x00100000 + 0x38)
#define CLIP1MIN        (0x00100000 + 0x4c)
#define CLIP1MAX        (0x00100000 + 0x50)
#define SRCFORMAT       (0x00100000 + 0x54)
#define SRCSIZE         (0x00100000 + 0x58)
#define SRCXY           (0x00100000 + 0x5c)
#define COLORBACK       (0x00100000 + 0x60)
#define COLORFORE       (0x00100000 + 0x64)
#define DSTSIZE         (0x00100000 + 0x68)
#define DSTXY           (0x00100000 + 0x6c)
#define COMMAND_2D      (0x00100000 + 0x70)
#define LAUNCH_2D       (0x00100000 + 0x80)

#define COMMAND_3D      (0x00200000 + 0x120)

/* register bitfields (not all, only as needed) */

#define BIT(x) (1UL << (x))

/* COMMAND_2D reg. values */
#define TDFX_ROP_COPY        0xcc     // src
#define TDFX_ROP_INVERT      0x55     // NOT dst
#define TDFX_ROP_XOR         0x66     // src XOR dst

#define AUTOINC_DSTX                    BIT(10)
#define AUTOINC_DSTY                    BIT(11)
#define COMMAND_2D_FILLRECT             0x05
#define COMMAND_2D_S2S_BITBLT           0x01      // screen to screen
#define COMMAND_2D_H2S_BITBLT           0x03       // host to screen

#define COMMAND_3D_NOP                  0x00
#define STATUS_RETRACE                  BIT(6)
#define STATUS_BUSY                     BIT(9)
#define MISCINIT1_CLUT_INV              BIT(0)
#define MISCINIT1_2DBLOCK_DIS           BIT(15)
#define DRAMINIT0_SGRAM_NUM             BIT(26)
#define DRAMINIT0_SGRAM_TYPE            BIT(27)
#define DRAMINIT1_MEM_SDRAM             BIT(30)
#define VGAINIT0_VGA_DISABLE            BIT(0)
#define VGAINIT0_EXT_TIMING             BIT(1)
#define VGAINIT0_8BIT_DAC               BIT(2)
#define VGAINIT0_EXT_ENABLE             BIT(6)
#define VGAINIT0_WAKEUP_3C3             BIT(8)
#define VGAINIT0_LEGACY_DISABLE         BIT(9)
#define VGAINIT0_ALT_READBACK           BIT(10)
#define VGAINIT0_FAST_BLINK             BIT(11)
#define VGAINIT0_EXTSHIFTOUT            BIT(12)
#define VGAINIT0_DECODE_3C6             BIT(13)
#define VGAINIT0_SGRAM_HBLANK_DISABLE   BIT(22)
#define VGAINIT1_MASK                   0x1fffff
#define VIDCFG_VIDPROC_ENABLE           BIT(0)
#define VIDCFG_CURS_X11                 BIT(1)
#define VIDCFG_INTERLACE                BIT(3)
#define VIDCFG_HALF_MODE                BIT(4)
#define VIDCFG_DESK_ENABLE              BIT(7)
#define VIDCFG_CLUT_BYPASS              BIT(10)
#define VIDCFG_2X                       BIT(26)
#define VIDCFG_HWCURSOR_ENABLE          BIT(27)
#define VIDCFG_PIXFMT_SHIFT             18
#define DACMODE_2X                      BIT(0)

/* VGA rubbish, need to change this for multihead support */
#define MISC_W  0x3c2
#define MISC_R  0x3cc
#define SEQ_I   0x3c4
#define SEQ_D   0x3c5
#define CRT_I   0x3d4
#define CRT_D   0x3d5
#define ATT_IW  0x3c0
#define IS1_R   0x3da
#define GRA_I   0x3ce
#define GRA_D   0x3cf

#ifdef __KERNEL__

struct banshee_reg {
  /* VGA rubbish */
  unsigned char att[21];
  unsigned char crt[25];
  unsigned char gra[ 9];
  unsigned char misc[1];
  unsigned char seq[ 5];

  /* Banshee extensions */
  unsigned char ext[2];
  unsigned long vidcfg;
  unsigned long vidpll;
  unsigned long mempll;
  unsigned long gfxpll;
  unsigned long dacmode;
  unsigned long vgainit0;
  unsigned long vgainit1;
  unsigned long screensize;
  unsigned long stride;
  unsigned long cursloc;
  unsigned long curspataddr;
  unsigned long cursc0;
  unsigned long cursc1;
  unsigned long startaddr;
  unsigned long clip0min;
  unsigned long clip0max;
  unsigned long clip1min;
  unsigned long clip1max;
  unsigned long srcbase;
  unsigned long dstbase;
  unsigned long miscinit0;	
};

struct tdfx_par {
  u32 max_pixclock;

  void __iomem *regbase_virt;
  unsigned long iobase;
  u32 baseline;

  struct {
     int w,u,d;
     unsigned long enable,disable;
     struct timer_list timer;
  } hwcursor; 

  spinlock_t DAClock;
};

#endif /* __KERNEL__ */

#endif /* _TDFX_H */