linux/include/video/tdfx.h
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   1#ifndef _TDFX_H
   2#define _TDFX_H
   3
   4#include <linux/i2c.h>
   5#include <linux/i2c-algo-bit.h>
   6
   7/* membase0 register offsets */
   8#define STATUS          0x00
   9#define PCIINIT0        0x04
  10#define SIPMONITOR      0x08
  11#define LFBMEMORYCONFIG 0x0c
  12#define MISCINIT0       0x10
  13#define MISCINIT1       0x14
  14#define DRAMINIT0       0x18
  15#define DRAMINIT1       0x1c
  16#define AGPINIT         0x20
  17#define TMUGBEINIT      0x24
  18#define VGAINIT0        0x28
  19#define VGAINIT1        0x2c
  20#define DRAMCOMMAND     0x30
  21#define DRAMDATA        0x34
  22/* reserved     0x38 */
  23/* reserved     0x3c */
  24#define PLLCTRL0        0x40
  25#define PLLCTRL1        0x44
  26#define PLLCTRL2        0x48
  27#define DACMODE         0x4c
  28#define DACADDR         0x50
  29#define DACDATA         0x54
  30#define RGBMAXDELTA     0x58
  31#define VIDPROCCFG      0x5c
  32#define HWCURPATADDR    0x60
  33#define HWCURLOC        0x64
  34#define HWCURC0         0x68
  35#define HWCURC1         0x6c
  36#define VIDINFORMAT     0x70
  37#define VIDINSTATUS     0x74
  38#define VIDSERPARPORT   0x78
  39#define VIDINXDELTA     0x7c
  40#define VIDININITERR    0x80
  41#define VIDINYDELTA     0x84
  42#define VIDPIXBUFTHOLD  0x88
  43#define VIDCHRMIN       0x8c
  44#define VIDCHRMAX       0x90
  45#define VIDCURLIN       0x94
  46#define VIDSCREENSIZE   0x98
  47#define VIDOVRSTARTCRD  0x9c
  48#define VIDOVRENDCRD    0xa0
  49#define VIDOVRDUDX      0xa4
  50#define VIDOVRDUDXOFF   0xa8
  51#define VIDOVRDVDY      0xac
  52/* ... */
  53#define VIDOVRDVDYOFF   0xe0
  54#define VIDDESKSTART    0xe4
  55#define VIDDESKSTRIDE   0xe8
  56#define VIDINADDR0      0xec
  57#define VIDINADDR1      0xf0
  58#define VIDINADDR2      0xf4
  59#define VIDINSTRIDE     0xf8
  60#define VIDCUROVRSTART  0xfc
  61
  62#define INTCTRL         (0x00100000 + 0x04)
  63#define CLIP0MIN        (0x00100000 + 0x08)
  64#define CLIP0MAX        (0x00100000 + 0x0c)
  65#define DSTBASE         (0x00100000 + 0x10)
  66#define DSTFORMAT       (0x00100000 + 0x14)
  67#define SRCBASE         (0x00100000 + 0x34)
  68#define COMMANDEXTRA_2D (0x00100000 + 0x38)
  69#define CLIP1MIN        (0x00100000 + 0x4c)
  70#define CLIP1MAX        (0x00100000 + 0x50)
  71#define SRCFORMAT       (0x00100000 + 0x54)
  72#define SRCSIZE         (0x00100000 + 0x58)
  73#define SRCXY           (0x00100000 + 0x5c)
  74#define COLORBACK       (0x00100000 + 0x60)
  75#define COLORFORE       (0x00100000 + 0x64)
  76#define DSTSIZE         (0x00100000 + 0x68)
  77#define DSTXY           (0x00100000 + 0x6c)
  78#define COMMAND_2D      (0x00100000 + 0x70)
  79#define LAUNCH_2D       (0x00100000 + 0x80)
  80
  81#define COMMAND_3D      (0x00200000 + 0x120)
  82
  83/* register bitfields (not all, only as needed) */
  84
  85/* COMMAND_2D reg. values */
  86#define TDFX_ROP_COPY           0xcc    /* src */
  87#define TDFX_ROP_INVERT         0x55    /* NOT dst */
  88#define TDFX_ROP_XOR            0x66    /* src XOR dst */
  89
  90#define AUTOINC_DSTX                    BIT(10)
  91#define AUTOINC_DSTY                    BIT(11)
  92#define COMMAND_2D_FILLRECT             0x05
  93#define COMMAND_2D_S2S_BITBLT           0x01    /* screen to screen */
  94#define COMMAND_2D_H2S_BITBLT           0x03    /* host to screen */
  95
  96#define COMMAND_3D_NOP                  0x00
  97#define STATUS_RETRACE                  BIT(6)
  98#define STATUS_BUSY                     BIT(9)
  99#define MISCINIT1_CLUT_INV              BIT(0)
 100#define MISCINIT1_2DBLOCK_DIS           BIT(15)
 101#define DRAMINIT0_SGRAM_NUM             BIT(26)
 102#define DRAMINIT0_SGRAM_TYPE            BIT(27)
 103#define DRAMINIT0_SGRAM_TYPE_MASK       (BIT(27) | BIT(28) | BIT(29))
 104#define DRAMINIT0_SGRAM_TYPE_SHIFT      27
 105#define DRAMINIT1_MEM_SDRAM             BIT(30)
 106#define VGAINIT0_VGA_DISABLE            BIT(0)
 107#define VGAINIT0_EXT_TIMING             BIT(1)
 108#define VGAINIT0_8BIT_DAC               BIT(2)
 109#define VGAINIT0_EXT_ENABLE             BIT(6)
 110#define VGAINIT0_WAKEUP_3C3             BIT(8)
 111#define VGAINIT0_LEGACY_DISABLE         BIT(9)
 112#define VGAINIT0_ALT_READBACK           BIT(10)
 113#define VGAINIT0_FAST_BLINK             BIT(11)
 114#define VGAINIT0_EXTSHIFTOUT            BIT(12)
 115#define VGAINIT0_DECODE_3C6             BIT(13)
 116#define VGAINIT0_SGRAM_HBLANK_DISABLE   BIT(22)
 117#define VGAINIT1_MASK                   0x1fffff
 118#define VIDCFG_VIDPROC_ENABLE           BIT(0)
 119#define VIDCFG_CURS_X11                 BIT(1)
 120#define VIDCFG_INTERLACE                BIT(3)
 121#define VIDCFG_HALF_MODE                BIT(4)
 122#define VIDCFG_DESK_ENABLE              BIT(7)
 123#define VIDCFG_CLUT_BYPASS              BIT(10)
 124#define VIDCFG_2X                       BIT(26)
 125#define VIDCFG_HWCURSOR_ENABLE          BIT(27)
 126#define VIDCFG_PIXFMT_SHIFT             18
 127#define DACMODE_2X                      BIT(0)
 128
 129/* I2C bit locations in the VIDSERPARPORT register */
 130#define DDC_ENAB        0x00040000
 131#define DDC_SCL_OUT     0x00080000
 132#define DDC_SDA_OUT     0x00100000
 133#define DDC_SCL_IN      0x00200000
 134#define DDC_SDA_IN      0x00400000
 135#define I2C_ENAB        0x00800000
 136#define I2C_SCL_OUT     0x01000000
 137#define I2C_SDA_OUT     0x02000000
 138#define I2C_SCL_IN      0x04000000
 139#define I2C_SDA_IN      0x08000000
 140
 141/* VGA rubbish, need to change this for multihead support */
 142#define MISC_W          0x3c2
 143#define MISC_R          0x3cc
 144#define SEQ_I           0x3c4
 145#define SEQ_D           0x3c5
 146#define CRT_I           0x3d4
 147#define CRT_D           0x3d5
 148#define ATT_IW          0x3c0
 149#define IS1_R           0x3da
 150#define GRA_I           0x3ce
 151#define GRA_D           0x3cf
 152
 153#ifdef __KERNEL__
 154
 155struct banshee_reg {
 156        /* VGA rubbish */
 157        unsigned char att[21];
 158        unsigned char crt[25];
 159        unsigned char gra[9];
 160        unsigned char misc[1];
 161        unsigned char seq[5];
 162
 163        /* Banshee extensions */
 164        unsigned char ext[2];
 165        unsigned long vidcfg;
 166        unsigned long vidpll;
 167        unsigned long mempll;
 168        unsigned long gfxpll;
 169        unsigned long dacmode;
 170        unsigned long vgainit0;
 171        unsigned long vgainit1;
 172        unsigned long screensize;
 173        unsigned long stride;
 174        unsigned long cursloc;
 175        unsigned long curspataddr;
 176        unsigned long cursc0;
 177        unsigned long cursc1;
 178        unsigned long startaddr;
 179        unsigned long clip0min;
 180        unsigned long clip0max;
 181        unsigned long clip1min;
 182        unsigned long clip1max;
 183        unsigned long miscinit0;
 184};
 185
 186struct tdfx_par;
 187
 188struct tdfxfb_i2c_chan {
 189        struct tdfx_par *par;
 190        struct i2c_adapter adapter;
 191        struct i2c_algo_bit_data algo;
 192};
 193
 194struct tdfx_par {
 195        u32 max_pixclock;
 196        u32 palette[16];
 197        void __iomem *regbase_virt;
 198        unsigned long iobase;
 199        int mtrr_handle;
 200#ifdef CONFIG_FB_3DFX_I2C
 201        struct tdfxfb_i2c_chan chan[2];
 202#endif
 203};
 204
 205#endif  /* __KERNEL__ */
 206
 207#endif  /* _TDFX_H */
 208
 209
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