209 lines
5.3 KiB
C
209 lines
5.3 KiB
C
#ifndef _TDFX_H
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#define _TDFX_H
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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/* membase0 register offsets */
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#define STATUS 0x00
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#define PCIINIT0 0x04
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#define SIPMONITOR 0x08
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#define LFBMEMORYCONFIG 0x0c
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#define MISCINIT0 0x10
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#define MISCINIT1 0x14
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#define DRAMINIT0 0x18
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#define DRAMINIT1 0x1c
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#define AGPINIT 0x20
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#define TMUGBEINIT 0x24
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#define VGAINIT0 0x28
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#define VGAINIT1 0x2c
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#define DRAMCOMMAND 0x30
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#define DRAMDATA 0x34
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/* reserved 0x38 */
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/* reserved 0x3c */
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#define PLLCTRL0 0x40
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#define PLLCTRL1 0x44
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#define PLLCTRL2 0x48
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#define DACMODE 0x4c
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#define DACADDR 0x50
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#define DACDATA 0x54
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#define RGBMAXDELTA 0x58
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#define VIDPROCCFG 0x5c
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#define HWCURPATADDR 0x60
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#define HWCURLOC 0x64
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#define HWCURC0 0x68
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#define HWCURC1 0x6c
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#define VIDINFORMAT 0x70
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#define VIDINSTATUS 0x74
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#define VIDSERPARPORT 0x78
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#define VIDINXDELTA 0x7c
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#define VIDININITERR 0x80
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#define VIDINYDELTA 0x84
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#define VIDPIXBUFTHOLD 0x88
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#define VIDCHRMIN 0x8c
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#define VIDCHRMAX 0x90
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#define VIDCURLIN 0x94
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#define VIDSCREENSIZE 0x98
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#define VIDOVRSTARTCRD 0x9c
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#define VIDOVRENDCRD 0xa0
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#define VIDOVRDUDX 0xa4
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#define VIDOVRDUDXOFF 0xa8
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#define VIDOVRDVDY 0xac
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/* ... */
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#define VIDOVRDVDYOFF 0xe0
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#define VIDDESKSTART 0xe4
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#define VIDDESKSTRIDE 0xe8
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#define VIDINADDR0 0xec
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#define VIDINADDR1 0xf0
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#define VIDINADDR2 0xf4
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#define VIDINSTRIDE 0xf8
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#define VIDCUROVRSTART 0xfc
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#define INTCTRL (0x00100000 + 0x04)
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#define CLIP0MIN (0x00100000 + 0x08)
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#define CLIP0MAX (0x00100000 + 0x0c)
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#define DSTBASE (0x00100000 + 0x10)
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#define DSTFORMAT (0x00100000 + 0x14)
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#define SRCBASE (0x00100000 + 0x34)
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#define COMMANDEXTRA_2D (0x00100000 + 0x38)
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#define CLIP1MIN (0x00100000 + 0x4c)
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#define CLIP1MAX (0x00100000 + 0x50)
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#define SRCFORMAT (0x00100000 + 0x54)
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#define SRCSIZE (0x00100000 + 0x58)
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#define SRCXY (0x00100000 + 0x5c)
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#define COLORBACK (0x00100000 + 0x60)
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#define COLORFORE (0x00100000 + 0x64)
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#define DSTSIZE (0x00100000 + 0x68)
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#define DSTXY (0x00100000 + 0x6c)
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#define COMMAND_2D (0x00100000 + 0x70)
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#define LAUNCH_2D (0x00100000 + 0x80)
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#define COMMAND_3D (0x00200000 + 0x120)
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/* register bitfields (not all, only as needed) */
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/* COMMAND_2D reg. values */
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#define TDFX_ROP_COPY 0xcc /* src */
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#define TDFX_ROP_INVERT 0x55 /* NOT dst */
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#define TDFX_ROP_XOR 0x66 /* src XOR dst */
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#define AUTOINC_DSTX BIT(10)
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#define AUTOINC_DSTY BIT(11)
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#define COMMAND_2D_FILLRECT 0x05
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#define COMMAND_2D_S2S_BITBLT 0x01 /* screen to screen */
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#define COMMAND_2D_H2S_BITBLT 0x03 /* host to screen */
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#define COMMAND_3D_NOP 0x00
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#define STATUS_RETRACE BIT(6)
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#define STATUS_BUSY BIT(9)
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#define MISCINIT1_CLUT_INV BIT(0)
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#define MISCINIT1_2DBLOCK_DIS BIT(15)
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#define DRAMINIT0_SGRAM_NUM BIT(26)
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#define DRAMINIT0_SGRAM_TYPE BIT(27)
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#define DRAMINIT0_SGRAM_TYPE_MASK (BIT(27) | BIT(28) | BIT(29))
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#define DRAMINIT0_SGRAM_TYPE_SHIFT 27
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#define DRAMINIT1_MEM_SDRAM BIT(30)
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#define VGAINIT0_VGA_DISABLE BIT(0)
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#define VGAINIT0_EXT_TIMING BIT(1)
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#define VGAINIT0_8BIT_DAC BIT(2)
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#define VGAINIT0_EXT_ENABLE BIT(6)
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#define VGAINIT0_WAKEUP_3C3 BIT(8)
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#define VGAINIT0_LEGACY_DISABLE BIT(9)
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#define VGAINIT0_ALT_READBACK BIT(10)
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#define VGAINIT0_FAST_BLINK BIT(11)
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#define VGAINIT0_EXTSHIFTOUT BIT(12)
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#define VGAINIT0_DECODE_3C6 BIT(13)
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#define VGAINIT0_SGRAM_HBLANK_DISABLE BIT(22)
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#define VGAINIT1_MASK 0x1fffff
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#define VIDCFG_VIDPROC_ENABLE BIT(0)
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#define VIDCFG_CURS_X11 BIT(1)
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#define VIDCFG_INTERLACE BIT(3)
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#define VIDCFG_HALF_MODE BIT(4)
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#define VIDCFG_DESK_ENABLE BIT(7)
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#define VIDCFG_CLUT_BYPASS BIT(10)
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#define VIDCFG_2X BIT(26)
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#define VIDCFG_HWCURSOR_ENABLE BIT(27)
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#define VIDCFG_PIXFMT_SHIFT 18
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#define DACMODE_2X BIT(0)
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/* I2C bit locations in the VIDSERPARPORT register */
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#define DDC_ENAB 0x00040000
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#define DDC_SCL_OUT 0x00080000
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#define DDC_SDA_OUT 0x00100000
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#define DDC_SCL_IN 0x00200000
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#define DDC_SDA_IN 0x00400000
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#define I2C_ENAB 0x00800000
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#define I2C_SCL_OUT 0x01000000
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#define I2C_SDA_OUT 0x02000000
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#define I2C_SCL_IN 0x04000000
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#define I2C_SDA_IN 0x08000000
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/* VGA rubbish, need to change this for multihead support */
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#define MISC_W 0x3c2
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#define MISC_R 0x3cc
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#define SEQ_I 0x3c4
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#define SEQ_D 0x3c5
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#define CRT_I 0x3d4
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#define CRT_D 0x3d5
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#define ATT_IW 0x3c0
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#define IS1_R 0x3da
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#define GRA_I 0x3ce
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#define GRA_D 0x3cf
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#ifdef __KERNEL__
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struct banshee_reg {
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/* VGA rubbish */
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unsigned char att[21];
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unsigned char crt[25];
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unsigned char gra[9];
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unsigned char misc[1];
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unsigned char seq[5];
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/* Banshee extensions */
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unsigned char ext[2];
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unsigned long vidcfg;
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unsigned long vidpll;
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unsigned long mempll;
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unsigned long gfxpll;
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unsigned long dacmode;
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unsigned long vgainit0;
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unsigned long vgainit1;
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unsigned long screensize;
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unsigned long stride;
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unsigned long cursloc;
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unsigned long curspataddr;
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unsigned long cursc0;
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unsigned long cursc1;
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unsigned long startaddr;
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unsigned long clip0min;
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unsigned long clip0max;
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unsigned long clip1min;
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unsigned long clip1max;
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unsigned long miscinit0;
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};
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struct tdfx_par;
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struct tdfxfb_i2c_chan {
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struct tdfx_par *par;
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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};
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struct tdfx_par {
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u32 max_pixclock;
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u32 palette[16];
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void __iomem *regbase_virt;
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unsigned long iobase;
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int wc_cookie;
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#ifdef CONFIG_FB_3DFX_I2C
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struct tdfxfb_i2c_chan chan[2];
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#endif
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};
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#endif /* __KERNEL__ */
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#endif /* _TDFX_H */
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