/* $NetBSD: igsfbreg.h,v 1.4 2003/05/31 18:25:40 uwe Exp $ */ /* * Copyright (c) 2002 Valeriy E. Ushakov * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Integraphics Systems IGA 168x and CyberPro series. * Only tested on IGA 1682 in Krups JavaStation-NC. */ #ifndef _DEV_IC_IGSFBREG_H_ #define _DEV_IC_IGSFBREG_H_ /* * Magic address decoding for memory space accesses in CyberPro. */ #define IGS_MEM_MMIO_SELECT 0x00800000 /* memory mapped i/o */ #define IGS_MEM_BE_SELECT 0x00400000 /* endian select */ /* * Cursor sprite data in linear memory at IGS_EXT_SPRITE_DATA_{LO,HI}. * 64x64 pixels, 2bpp = 1Kb */ #define IGS_CURSOR_DATA_SIZE 1024 /* * Starting up the chip. */ /* Video Enable/Setup */ #define IGS_VDO 0x46e8 #define IGS_VDO_ENABLE 0x08 #define IGS_VDO_SETUP 0x10 /* Video Enable */ #define IGS_VSE 0x102 #define IGS_VSE_ENABLE 0x01 /* * We map only 32 bytes of actual IGS registers at 0x3c0..0x3df. * This macro helps to define register names using their "absolute" * locations - it makes matching defines against docs easier. */ #define IGS_REG_BASE 0x3c0 #define IGS_REG_SIZE 0x020 #define IGS_REG_(x) ((x) - IGS_REG_BASE) /* * Attribute controller. Flip-flop reset by IGS_INPUT_STATUS1 at 0x3da. * We don't bother defining actual registers, we only use them once * during video initialization. */ #define IGS_ATTR_IDX IGS_REG_(0x3c0) #define IGS_ATTR_PORT IGS_REG_(0x3c1) /* * Misc output register. We only use the _W register during video * initialization. */ #define IGS_MISC_OUTPUT_W IGS_REG_(0x3c2) #define IGS_MISC_OUTPUT_R IGS_REG_(0x3cc) /* * SEQUENCER. */ #define IGS_SEQ_IDX IGS_REG_(0x3c4) #define IGS_SEQ_PORT IGS_REG_(0x3c5) #define IGS_SEQ_RESET 0x0 #define IGS_SEQ_RESET_ASYNC 0x01 #define IGS_SEQ_RESET_SYNC 0x02 /* IGS_EXT_SPRITE_CTL/IGS_EXT_SPRITE_DAC_PEL (3cf/56[2]) == 0 */ #define IGS_PEL_MASK IGS_REG_(0x3c6) /* IGS_EXT_SPRITE_CTL/IGS_EXT_SPRITE_DAC_PEL 3cf/56[2] == 1 */ #define IGS_DAC_CMD IGS_REG_(0x3c6) /* * Palette Read/Write: write palette index to the index port. * Read/write R/G/B in three consecutive accesses to data port. * After third access to data the index is autoincremented and you can * proceed with reading/writing data port for the next entry. * * When IGS_EXT_SPRITE_DAC_PEL bit in sprite control is set, these * registers are used to access sprite (i.e. cursor) 2-color palette. * (NB: apparently, in this mode index autoincrement doesn't work). */ #define IGS_DAC_PEL_READ_IDX IGS_REG_(0x3c7) #define IGS_DAC_PEL_WRITE_IDX IGS_REG_(0x3c8) #define IGS_DAC_PEL_DATA IGS_REG_(0x3c9) /* * GRAPHICS CONTROLLER registers. */ #define IGS_GRFX_IDX IGS_REG_(0x3ce) #define IGS_GRFX_PORT IGS_REG_(0x3cf) /* * EXTENDED registers. */ #define IGS_EXT_IDX IGS_REG_(0x3ce) #define IGS_EXT_PORT IGS_REG_(0x3cf) /* [3..0] -> [19..16] of start addr if IGS_EXT_START_ADDR_ON is set */ #define IGS_EXT_START_ADDR 0x10 #define IGS_EXT_START_ADDR_ON 0x10 /* overflow 10th bits for severl crtc registers; interlaced mode select */ #define IGS_EXT_VOVFL 0x11 #define IGS_EXT_VOVFL_INTERLACED 0x20 #define IGS_EXT_IRQ_CTL 0x12 #define IGS_EXT_IRQ_ENABLE 0x01 /* * Sync Control. * Two-bit combinations for h/v: * 00 - normal, 01 - force 0, 1x - force 1 */ #define IGS_EXT_SYNC_CTL 0x16 #define IGS_EXT_SYNC_H0 0x01 #define IGS_EXT_SYNC_H1 0x02 #define IGS_EXT_SYNC_V0 0x04 #define IGS_EXT_SYNC_V1 0x08 /* * For PCI just use normal BAR config. */ #define IGS_EXT_BUS_CTL 0x30 #define IGS_EXT_BUS_CTL_LINSIZE_SHIFT 0 #define IGS_EXT_BUS_CTL_LINSIZE_MASK 0x03 #define IGS_EXT_BUS_CTL_LINSIZE(x) \ (((x) >> IGS_EXT_BUS_CTL_LINSIZE_SHIFT) & IGS_EXT_BUS_CTL_LINSIZE_MASK) /* * COPREN - enable direct access to coprocessor registers * COPASELB - select IGS_COP_BASE_B for COP address */ #define IGS_EXT_BIU_MISC_CTL 0x33 #define IGS_EXT_BIU_LINEAREN 0x01 #define IGS_EXT_BIU_LIN2MEM 0x02 #define IGS_EXT_BIU_COPREN 0x04 #define IGS_EXT_BIU_COPASELB 0x08 #define IGS_EXT_BIU_SEGON 0x10 #define IGS_EXT_BIU_SEG2MEM 0x20 /* * Linear Address registers * PCI: don't write directly, just use nomral PCI configuration * ISA: only bits [23..20] are programmable, the rest MBZ */ #define IGS_EXT_LINA_LO 0x34 /* [3..0] -> [23..20] */ #define IGS_EXT_LINA_HI 0x35 /* [7..0] -> [31..24] */ /* Hardware cursor on-screen location and hot spot */ #define IGS_EXT_SPRITE_HSTART_LO 0x50 #define IGS_EXT_SPRITE_HSTART_HI 0x51 /* bits [2..0] */ #define IGS_EXT_SPRITE_HPRESET 0x52 /* bits [5..0] */ #define IGS_EXT_SPRITE_VSTART_LO 0x53 #define IGS_EXT_SPRITE_VSTART_HI 0x54 /* bits [2..0] */ #define IGS_EXT_SPRITE_VPRESET 0x55 /* bits [5..0] */ /* Hardware cursor control */ #define IGS_EXT_SPRITE_CTL 0x56 #define IGS_EXT_SPRITE_VISIBLE 0x01 #define IGS_EXT_SPRITE_64x64 0x02 #define IGS_EXT_SPRITE_DAC_PEL 0x04 /* bits unrelated to sprite control */ #define IGS_EXT_COP_RESET 0x08 /* Extended graphics mode */ #define IGS_EXT_GRFX_MODE 0x57 #define IGS_EXT_GRFX_MODE_EXT 0x01 /* Overscan R/G/B registers */ #define IGS_EXT_OVERSCAN_RED 0x58 #define IGS_EXT_OVERSCAN_GREEN 0x59 #define IGS_EXT_OVERSCAN_BLUE 0x5a /* Memory controller */ #define IGS_EXT_MEM_CTL0 0x70 #define IGS_EXT_MEM_CTL1 0x71 #define IGS_EXT_MEM_CTL2 0x72 /* * SEQ miscellaneous: number of SL between CCLK - controls visual depth. * These values are for MODE256 == 1, SRMODE = 1 in GRFX/5 mode register. */ #define IGS_EXT_SEQ_MISC 0x77 #define IGS_EXT_SEQ_IBM_STD 0 #define IGS_EXT_SEQ_8BPP 1 /* 256 indexed */ #define IGS_EXT_SEQ_16BPP 2 /* HiColor 16bpp, 5-6-5 */ #define IGS_EXT_SEQ_32BPP 3 /* TrueColor 32bpp */ #define IGS_EXT_SEQ_24BPP 4 /* TrueColor 24bpp */ #define IGS_EXT_SEQ_15BPP 6 /* HiColor 16bpp, 5-5-5 */ /* Hardware cursor data location in linear memory */ #define IGS_EXT_SPRITE_DATA_LO 0x7e #define IGS_EXT_SPRITE_DATA_HI 0x7f /* bits [3..0] */ #define IGS_EXT_VCLK0 0xb0 /* mult */ #define IGS_EXT_VCLK1 0xb1 /* div */ #define IGS_EXT_MCLK0 0xb2 /* mult */ #define IGS_EXT_MCLK1 0xb3 /* div */ /* ----8<---- end of IGS_EXT registers ----8<---- */ /* * CRTC can be at 0x3b4/0x3b5 (mono) or 0x3d4/0x3d5 (color) * controlled by bit 0 in misc output register (r=0x3cc/w=0x3c2). * We forcibly init it to color. */ #define IGS_CRTC_IDX IGS_REG_(0x3d4) #define IGS_CRTC_PORT IGS_REG_(0x3d5) /* * Reading this register resets flip-flop at 0x3c0 (attribute * controller) to address register. */ #define IGS_INPUT_STATUS1 IGS_REG_(0x3da) /********************************************************************* * IGS Graphic Coprocessor */ /* * Coprocessor registers location in I/O space. * Controlled by COPASELB bit in IGS_EXT_BIU_MISC_CTL. */ #define IGS_COP_BASE_A 0xaf000 /* COPASELB == 0 */ #define IGS_COP_BASE_B 0xbf000 /* COPASELB == 1 */ #define IGS_COP_SIZE 0x00400 /* * NB: Loaded width values should be 1 less than the actual width! */ /* * Coprocessor control. */ #define IGS_COP_CTL_REG 0x011 #define IGS_COP_CTL_HBRDYZ 0x01 #define IGS_COP_CTL_HFEMPTZ 0x02 #define IGS_COP_CTL_CMDFF 0x04 #define IGS_COP_CTL_SOP 0x08 /* rw */ #define IGS_COP_CTL_OPS 0x10 #define IGS_COP_CTL_TER 0x20 /* rw */ #define IGS_COP_CTL_HBACKZ 0x40 #define IGS_COP_CTL_BUSY 0x80 /* * Source(s) and destination widths. * 16 bit registers. Only bits [11..0] are used. */ #define IGS_COP_SRC_MAP_WIDTH_REG 0x018 #define IGS_COP_SRC2_MAP_WIDTH_REG 0x118 #define IGS_COP_DST_MAP_WIDTH_REG 0x218 /* * Bitmap depth. */ #define IGS_COP_MAP_FMT_REG 0x01c #define IGS_COP_MAP_8BPP 0x00 #define IGS_COP_MAP_16BPP 0x01 #define IGS_COP_MAP_24BPP 0x02 #define IGS_COP_MAP_32BPP 0x03 /* * Binary operations are defined below. S - source, D - destination, * N - not; a - and, o - or, x - xor. * * For ternary operations, foreground mix function is one of 256 * ternary raster operations defined by Win32 API; background mix is * ignored. */ #define IGS_COP_FG_MIX_REG 0x048 #define IGS_COP_BG_MIX_REG 0x049 #define IGS_COP_MIX_0 0x0 #define IGS_COP_MIX_SaD 0x1 #define IGS_COP_MIX_SaND 0x2 #define IGS_COP_MIX_S 0x3 #define IGS_COP_MIX_NSaD 0x4 #define IGS_COP_MIX_D 0x5 #define IGS_COP_MIX_SxD 0x6 #define IGS_COP_MIX_SoD 0x7 #define IGS_COP_MIX_NSaND 0x8 #define IGS_COP_MIX_SxND 0x9 #define IGS_COP_MIX_ND 0xa #define IGS_COP_MIX_SoND 0xb #define IGS_COP_MIX_NS 0xc #define IGS_COP_MIX_NSoD 0xd #define IGS_COP_MIX_NSoND 0xe #define IGS_COP_MIX_1 0xf /* * Foreground/background colours (24 bit). * Selected by bits in IGS_COP_PIXEL_OP_3_REG. */ #define IGS_COP_FG_REG 0x058 #define IGS_COP_BG_REG 0x05C /* * Horizontal/vertical dimentions of pixel blit function. * 16 bit registers. Only [11..0] are used. */ #define IGS_COP_WIDTH_REG 0x060 #define IGS_COP_HEIGHT_REG 0x062 /* * Only bits [21..0] are used. */ #define IGS_COP_SRC_BASE_REG 0x070 /* only for 24bpp Src Color Tiling */ #define IGS_COP_SRC_START_REG 0x170 #define IGS_COP_SRC2_START_REG 0x174 #define IGS_COP_DST_START_REG 0x178 /* * Destination phase angle for 24bpp. */ #define IGS_COP_DST_X_PHASE_REG 0x078 #define IGS_COP_DST_X_PHASE_MASK 0x07 /* * Pixel operation: Direction and draw mode. * When an octant bit is set, that axis is traversed backwards. */ #define IGS_COP_PIXEL_OP_0_REG 0x07c #define IGS_COP_OCTANT_Y_NEG 0x02 /* 0: top down, 1: bottom up */ #define IGS_COP_OCTANT_X_NEG 0x04 /* 0: l2r, 1: r2l */ #define IGS_COP_DRAW_ALL 0x00 #define IGS_COP_DRAW_FIRST_NULL 0x10 #define IGS_COP_DRAW_LAST_NULL 0x20 /* * Pixel operation: Pattern operation. */ #define IGS_COP_PIXEL_OP_1_REG 0x07d #define IGS_COP_PPM_TEXT 0x10 #define IGS_COP_PPM_TILE 0x20 #define IGS_COP_PPM_LINE 0x30 #define IGS_COP_PPM_TRANSPARENT 0x40 /* "or" with one of the above */ #define IGS_COP_PPM_FIXED_FG 0x80 #define IGS_COP_PPM_SRC_COLOR_TILE 0x90 /* * Pixel operation: Host CPU access (host blit) to graphics engine. */ #define IGS_COP_PIXEL_OP_2_REG 0x07e #define IGS_COP_HBLTR 0x01 /* enable read from engine */ #define IGS_COP_HBLTW 0x02 /* enable write to engine */ /* * Pixel operation: Operation function of graphic engine. */ #define IGS_COP_PIXEL_OP_3_REG 0x07f #define IGS_COP_OP_STROKE 0x04 /* short stroke */ #define IGS_COP_OP_LINE 0x05 /* bresenham line draw */ #define IGS_COP_OP_PXBLT 0x08 /* pixel blit */ #define IGS_COP_OP_PXBLT_INV 0x09 /* invert pixel blit */ #define IGS_COP_OP_PXBLT_3 0x0a /* ternary pixel blit */ /* select fg/bg source: 0 - fg/bg color reg, 1 - src1 map */ #define IGS_COP_OP_FG_FROM_SRC 0x20 #define IGS_COP_OP_BG_FROM_SRC 0x80 #endif /* _DEV_IC_IGSFBREG_H_ */