diff options
Diffstat (limited to 'include/video/tdfx.h')
| -rw-r--r-- | include/video/tdfx.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/include/video/tdfx.h b/include/video/tdfx.h new file mode 100644 index 0000000000..6144633acc --- /dev/null +++ b/include/video/tdfx.h @@ -0,0 +1,209 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _TDFX_H +#define _TDFX_H + +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.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) */ + +/* 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 DRAMINIT0_SGRAM_TYPE_MASK (BIT(27) | BIT(28) | BIT(29)) +#define DRAMINIT0_SGRAM_TYPE_SHIFT 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) + +/* I2C bit locations in the VIDSERPARPORT register */ +#define DDC_ENAB 0x00040000 +#define DDC_SCL_OUT 0x00080000 +#define DDC_SDA_OUT 0x00100000 +#define DDC_SCL_IN 0x00200000 +#define DDC_SDA_IN 0x00400000 +#define I2C_ENAB 0x00800000 +#define I2C_SCL_OUT 0x01000000 +#define I2C_SDA_OUT 0x02000000 +#define I2C_SCL_IN 0x04000000 +#define I2C_SDA_IN 0x08000000 + +/* 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 miscinit0; +}; + +struct tdfx_par; + +struct tdfxfb_i2c_chan { + struct tdfx_par *par; + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; + +struct tdfx_par { + u32 max_pixclock; + u32 palette[16]; + void __iomem *regbase_virt; + unsigned long iobase; + int wc_cookie; +#ifdef CONFIG_FB_3DFX_I2C + struct tdfxfb_i2c_chan chan[2]; +#endif +}; + +#endif /* __KERNEL__ */ + +#endif /* _TDFX_H */ + |