/* $OpenBSD: p9000.h,v 1.2 2005/04/02 23:27:25 miod Exp $ */ /* * Copyright (c) 2003, Miodrag Vallat. * * 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. * * 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. */ /* * Weitek Power9000 and Power9100 definitions. * * Although the datasheet is not available anymore, a good source of * information is: * http://thorkildsen.no/faqsys/docs/weitek.txt * as well as several code examples in XFree86 3.x (vga256/p9x00) and the * {Net,Open}BSD source trees. */ /* * Frame buffer control registers * * Offsets below are relative to the following locations: * P9000 at 0x00100000, P9100 at 0x000000 */ /* * System control registers */ /* System configuration register */ #define P9000_SYSTEM_CONFIG 0x00000004 #define SCR_PIXEL_MASK 0x1c000000 #define SCR_PIXEL_8BPP 0x08000000 #define SCR_PIXEL_16BPP 0x0c000000 #define SCR_PIXEL_24BPP 0x1c000000 #define SCR_PIXEL_32BPP 0x14000000 #define SCR_READ_BUFFER_MASK 0x00000400 #define SCR_WRITE_BUFFER_MASK 0x00000200 #define SCR_ID_MASK 0x00000007 /* Interrupt status register */ #define P9000_INTERRUPT 0x00000008 /* Interrupt enable register */ #define P9000_INTERRUPT_ENABLE 0x0000000c #define IER_MASTER_ENABLE 0x00000080 #define IER_MASTER_INTERRUPT 0x00000040 #define IER_VBLANK_ENABLE 0x00000020 #define IER_VBLANK_INTERRUPT 0x00000010 #define IER_PICK_ENABLE 0x00000008 #define IER_PICK_INTERRUPT 0x00000004 #define IER_IDLE_ENABLE 0x00000002 #define IER_IDLE_INTERRUPT 0x00000001 /* Alternate read bank register (bits 16-22) */ #define P9000_ALTBANK_READ 0x00000010 /* Alternate write bank register (bits 16-22) */ #define P9000_ALTBANK_WRITE 0x00000014 /* * Video control registers */ /* Horizontal counter */ #define P9000_HCR 0x00000104 /* Horizontal total */ #define P9000_HTR 0x00000108 /* Horizontal sync rising edge */ #define P9000_HSRE 0x0000010c /* Horizontal blank rising edge */ #define P9000_HBRE 0x00000110 /* Horizontal blank falling edge */ #define P9000_HBFE 0x00000114 /* Horizontal counter preload */ #define P9000_HCP 0x00000118 /* Vertical counter */ #define P9000_VCR 0x0000011c /* Vertical length */ #define P9000_VL 0x00000120 /* Vertical sync rising edge */ #define P9000_VSRE 0x00000124 /* Vertical blank rising edge */ #define P9000_VBRE 0x00000128 /* Vertical blank falling edge */ #define P9000_VBFE 0x0000012c /* Vertical counter preload */ #define P9000_VCP 0x00000130 /* Screen repaint address */ #define P9000_SRA 0x00000134 /* Screen repaint timing control #1 */ #define P9000_SRTC1 0x00000138 #define SRTC1_VSYNC_INTERNAL 0x00000100 #define SRTC1_HSYNC_INTERNAL 0x00000080 #define SRTC1_VIDEN 0x00000020 #define SRTC1_RESTRICTED 0x00000010 #define SRTC1_BUFFER1 0x00000008 /* QSF counter. Film at 11 */ #define P9000_QSF 0x0000013c /* Screen repaint timing control #2 */ #define P9000_SRTC2 0x00000140 /* * VRAM control registers */ /* Memory configuration */ #define P9000_MCR 0x00000184 /* Refresh period */ #define P9000_REFRESH_PERIOD 0x00000188 /* Refresh count */ #define P9000_REFRESH_COUNT 0x0000018c /* RAS low maximum */ #define P9000_RASLOW_MAXIMUM 0x00000190 /* RAS low current */ #define P9000_RASLOW_CURRENT 0x00000194 /* RAMDAC free FIFO (P9100 only, bits 12-15) and power-up configuration */ #define P9000_POWERUP_CONFIG 0x00000198 #define P9100_FREE_FIFO 0x00000198 /* * RAMDAC registers (P9100 only) */ #define P9100_RAMDAC_REGISTER(index) (0x00000200 + ((index) << 2)) /* * Accelerated features * * Offsets below are relative to the following locations: * P9000 at 0x00180000, P9100 at 0x002000 */ /* * Parameter engine */ /* Status register */ #define P9000_PE_STATUS 0x00000000 #define STATUS_QUAD_BUSY 0x80000000 #define STATUS_BLIT_BUSY 0x40000000 #define STATUS_PICK_DETECTED 0x00000080 #define STATUS_PIXEL_ERROR 0x00000040 #define STATUS_BLIT_ERROR 0x00000020 #define STATUS_QUAD_ERROR 0x00000010 #define STATUS_QUAD_CONCAVE 0x00000008 #define STATUS_QUAD_OUTSIDE 0x00000004 #define STATUS_QUAD_INSIDE 0x00000002 #define STATUS_QUAD_STRADDLE 0x00000001 /* Engine arguments / operation triggers */ #define P9000_PE_BLIT 0x00000004 #define P9000_PE_QUAD 0x00000008 #define P9000_PE_PIXEL8 0x0000000c #define P9000_PE_NEXTPIXELS 0x00000014 #define P9000_PE_PIXEL1(index) (0x00000080 + ((index) << 2)) /* Control and conditions registers */ /* Out of range */ #define P9000_PE_OOR 0x00000184 /* Index register (0-3, for meta coordinates) */ #define P9000_PE_INDEX 0x0000018c /* Window offset (16x16)*/ #define P9000_PE_WINOFFSET 0x00000190 /* Clipping window */ #define P9000_PE_WINMIN 0x00000194 #define P9000_PE_WINMAX 0x00000198 /* X Clip register */ #define P9000_X_CLIPPING 0x000001a0 /* Y Clip register */ #define P9000_Y_CLIPPING 0x000001a4 /* X Edge Less Than register */ #define P9000_X_EDGE_LESS 0x000001a8 /* X Edge Greater Than register */ #define P9000_X_EDGE_GREATER 0x000001ac /* Y Edge Less Than register */ #define P9000_Y_EDGE_LESS 0x000001b0 /* Y Edge Greater Than register */ #define P9000_Y_EDGE_GREATER 0x000001b4 /* * Drawing engine */ /* Colors - 8 bit for P9000, 32 bit for P9100 */ #define P9000_DE_FG_COLOR 0x00000200 #define P9000_DE_BG_COLOR 0x00000204 #define P9100_DE_COLOR0 0x00000200 #define P9100_DE_COLOR1 0x00000204 #define P9100_DE_COLOR2 0x00000238 #define P9100_DE_COLOR3 0x0000023c /* How to encode a colors in 8 and 16 bit mode, for the P9100 */ #define P9100_COLOR8(c) ((c) | ((c) << 8) | ((c) << 16) | ((c) << 24)) #define P9100_COLOR16(c) ((c) | ((c) << 16)) /* Plane mask (8 bits on P9000, 32 bits on P9100) */ #define P9000_DE_PLANEMASK 0x00000208 /* Drawing mode */ #define P9000_DE_DRAWMODE 0x0000020c #define DM_PICK_CONTROL 0x00000008 #define DM_PICK_ENABLE 0x00000004 #define DM_BUFFER_CONTROL 0x00000002 #define DM_BUFFER_ENABLE0 0x00000000 #define DM_BUFFER_ENABLE1 0x00000001 /* Pattern Origin (4 bit x 4 bit offset) */ #define P9000_DE_PATTERN_ORIGIN_X 0x00000210 #define P9000_DE_PATTERN_ORIGIN_Y 0x00000214 /* Raster operation */ #define P9000_DE_RASTER 0x00000218 #define P9100_RASTER_NO_SOLID 0x00002000 #define P9100_RASTER_PATTERN_4COLOR 0x00004000 #define P9100_RASTER_PIXEL1_TRANSPARENT 0x00008000 #define P9000_RASTER_QUAD_OVERSIZE 0x00010000 #define P9000_RASTER_QUAD_PATTERN 0x00020000 /* Raster minterms */ #define P9000_RASTER_SRC 0xcccc #define P9000_RASTER_DST 0xaaaa #define P9000_RASTER_PATTERN 0xff00 #define P9000_RASTER_MASK 0xffff #define P9100_RASTER_SRC 0x00cc #define P9100_RASTER_DST 0x00aa #define P9100_RASTER_PATTERN 0x00f0 #define P9100_RASTER_MASK 0x00ff /* Pixel8 excess storage */ #define P9000_DE_PIXEL8 0x0000021c /* Clipping window - same as in PE */ #define P9000_DE_WINMIN 0x00000220 #define P9000_DE_WINMAX 0x00000224 /* Quad pattern - up to 4 items on P9000, 8 on P9100 */ #define P9000_DE_PATTERN(index) (0x00000280 + ((index) << 2)) /* User pattern - up to 4 items */ #define P9000_DE_USER(index) (0x00000290 + ((index) << 2)) /* Byte clipping window */ #define P9100_DE_B_WINMIN 0x000002a0 #define P9100_DE_B_WINMAX 0x000002a4 /* * Coordinates */ /* 32 bit X value */ #define P9000_COORD_X 0x00000008 /* 32 bit Y value */ #define P9000_COORD_Y 0x00000010 /* 16 bit X, 16 bit Y values packed */ #define P9000_COORD_XY 0x00000018 /* Absolute (screen) coordinates */ #define P9000_COORD_ABS 0x00000000 /* Relative (in-window) coordinates */ #define P9000_COORD_REL 0x00000020 /* How to pack a x16y16 value - note that they are in fact 12 bit values */ #define P9000_COORDS(x,y) ((((x) & 0x0fff) << 16) | ((y) & 0x0fff)) /* Device coordinates - 4 edges */ #define P9000_DC_COORD(index) (0x00001000 + ((index) * 0x40)) /* Load coordinates */ #define P9000_LC_POINT 0x00001200 #define P9000_LC_LINE 0x00001240 #define P9000_LC_TRI 0x00001280 #define P9000_LC_QUAD 0x000012c0 #define P9000_LC_RECT 0x00001300