/* $NetBSD: ibm561reg.h,v 1.6 2012/10/20 13:29:53 macallan Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Roland C. Dowdeswell of Ponte, Inc.
*
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#define IBM561_ADDR_LOW 0x00
#define IBM561_ADDR_HIGH 0x01
#define IBM561_CMD 0x02
#define IBM561_CMD_FB_WAT 0x03
#define IBM561_CMD_CMAP 0x03
#define IBM561_CMD_GAMMA 0x03
#define IBM561_CONFIG_REG1 0x0001
#define CR1_MODEMASK 0xe0
#define CR1_MODE_5_1_BASIC 0x00
#define CR1_MODE_4_1_BASIC 0x20
#define CR1_MODE_4_1_EXTENDED 0x40
#define CR1_MODE_4_1_SUPER_EXT 0x60
#define CR1_MODE_5_1_30BPP 0x80
#define CR1_MODE_8_1_MODE_B 0xa0
#define CR1_MODE_4_1_30BPP 0xc0
#define CR1_MODE_8_1_MODE_A 0xe0
#define CR1_OVL_MASK 0x18
#define CR1_OVL_NONE 0x00
#define CR1_OVL_8BPP 0x08
#define CR1_OVL_16BPP 0x10
#define CR1_OVL_VARIABLE 0x18
#define CR1_WID_BITS_MASK 0x07
#define CR1_WID_0 0x00
#define CR1_WID_2 0x01
#define CR1_WID_4 0x02
#define CR1_WID_6 0x03
#define CR1_WID_8 0x04
#define IBM561_CONFIG_REG2 0x0002
#define CR2_ENABLE_VRAM_MASKING 0x20
#define CR2_ENABLE_PLL 0x10
#define CR2_ENABLE_CLC 0x08 /* sane handling of cursor
* coordinate updates, without
* this updates occur
* immediately instead of
* waiting for the 2nd byte */
#define CR2_PLL_REF_SELECT 0x04 /* 0 - REFCLK, 1 - EXTCLK */
#define CR2_PIXEL_CLOCK_SELECT 0x02 /* 0 - PLL, 1 - EXTCLK */
#define CR2_ENABLE_RGB_OUTPUT 0x01
#define IBM561_CONFIG_REG3 0x0003
#define CR3_ENABLE_INTERLACE 0x80
#define CR3_SERIAL_CLK_CTRL 0x40 /* 1 - enable output */
#define CR3_FIELD_POLARITY 0x20 /* 0 - EVEN first */
#define CR3_ENABLE_MISR 0x10 /* diagnostic mode */
#define CR3_CURSOR_UPDATE_ASYNC 0x08 /* don't wait for VBLANK */
#define CR3_ENABLE_VIDEO 0x04 /* AUX video output */
#define CR3_RGB 0x01 /* 1 - RGB, 0 - BGR */
#define IBM561_CONFIG_REG4 0x0004
#define CR4_FB_SPLIT_WID_MASK 0x78 /* number of FB WID bits */
#define CR4_ENABLE_SPLIT_WID 0x04
#define CR4_SELECT_OL_WID 0x02 /* 1 - use upper 4 bit for OL */
#define CR4_SELECT_FB_WID 0x01 /* 1 - use upper 4 bit for FB */
#define IBM561_SYNC_CNTL 0x0020
#define SYNC_HSYNC_ENABLE 0x20
#define SYNC_HSYNC_POLARITY 0x08 /* 1 - active high */
#define SYNC_SYNC_ON_GREEN 0x02
#define SYNC_ENABLE_PEDESTAL 0x01
#define IBM561_PLL_VCO_DIV 0x0021
#define IBM561_PLL_REF_REG 0x0022
#define IBM561_CURS_CNTL_REG 0x0030
#define CURS_COLOR_3_TRANS 0x80 /* 0 - color 3, 1 - trans */
#define CURS_SEPARATE 0x40 /* move crosshair separately */
#define CURS_OVERLAP_MASK 0x30
#define CURS_OVERLAP_XOR 0x00 /* XOR cursor and xhair */
#define CURS_OVERLAP_OR 0x10
#define CURS_OVERLAP_CURSOR 0x20 /* cursor has priority */
#define CURS_OVERLAP_XHAIR 0x30 /* crosshair has priority */
#define CURS_XHAIR_BLINK 0x08 /* enable xhair blinking */
#define CURS_XHAIR_ENABLE 0x04
#define CURS_BLINK 0x02 /* blink cursor */
#define CURS_ENABLE 0x01 /* enable cursor */
#define IBM561_XHAIR_CONTROL_REG 0x0031
#define XHAIR_PRIORITY 0x80 /* FILL or OUTLINE colour */
#define XHAIR_WIDTH_MASK 0x60
#define XHAIR_WIDTH_1 0x00
#define XHAIR_WIDTH_3 0x20
#define XHAIR_WIDTH_5 0x40
#define XHAIR_WIDTH_7 0x60
#define XHAIR_CLIP_MASK 0x18
#define XHAIR_CLIP_NONE 0x00
#define XHAIR_CLIP_SCISSORS 0x08 /* use scissors registers */
#define XHAIR_CLIP_WINDOW 0x10 /* use window registers */
#define XHAIR_CLIP_BOTH 0x18 /* window/scissor intersect */
#define XHAIR_COLOR_MASK 0x06 /* 0 is transparent */
#define XHAIR_EXT_PATTERN 0x01 /* enables colours, patterns */
#define IBM561_CURSOR_BLINK_RATE 0x0032
#define IBM561_CURSOR_BLINK_DUTY 0x0033
#define IBM561_HOTSPOT_REG 0x0034
#define IBM561_HOTSPOT_X_REG 0x0034
#define IBM561_HOTSPOT_Y_REG 0x0035
/* two registers each, low 8 bit first */
#define IBM561_CURSOR_X_REG 0x0036
#define IBM561_CURSOR_Y_REG 0x0038
#define IBM561_XHAIR_SCISSORS 0x0040
/*
* four 16bit registers, low first
* X start, Y start, X end, Y end
*/
#define IBM561_XHAIR_LOCATION 0x0048
/* 2x 16bit, X first, lsb first */
#define IBM561_XHAIR_PATTERN_CONTROL 0x004c
#define IBM561_XHAIR_PATTERN_HORZ 0x004d
#define IBM561_XHAIR_PATTERN_VERT 0x004e
#define IBM561_VRAM_MASK_REG 0x0050
#define IBM561_DAC_CONTROL 0x005f
#define DAC_DISABLE_OUTPUT 0x08
#define DAC_10BIT_ENABLE 0x04 /* 0 forces bit 0 to 0 */
#define DAC_SHUNT_ENABLE 0x02
#define DAC_SLEW_ENABLE 0x01 /* 0 - 2.5ns, 1 - 7.5ns */
#define IBM561_CURSOR_LUT 0x0a10
/*
* four blocks of 4, transparent, 1, 2, 3 each
* cursor primary, cursor blink, xhair primary, xhair blink
*/
#define IBM561_CURSOR_BITMAP 0x2000
/* 64x64, 2bit packed, msb first */
#define IBM561_DIV_DOTCLCK 0x0082
#define IBM561_FB_WINTYPE 0x1000
#define FB_CLUT_SELECT_MASK 0x03c0 /* selects which 64 entry block
* in the CLUT to start with */
#define FB_PIXEL_FORM_MASK 0x0030
#define FB_PIXEL_8BIT 0x0000
#define FB_PIXEL_12BIT 0x0010
#define FB_PIXEL_16BIT 0x0020
#define FB_PIXEL_24BIT 0x0030
#define FB_BUFFER_SELECT 0x0008 /* 1 - buffer B */
#define FB_MODE_MASK 0x0006
#define FB_MODE_INDEXED 0x0000
#define FB_MODE_GREYSCALE 0x0002
#define FB_MODE_DIRECT 0x0004
#define FB_MODE_TRUECOLOR 0x0006 /* doesn't work right for me */
#define FB_MODE_TRANSP_ENABLE 0x0001
#define IBM561_AUXFB_WINTYPE 0x0e00
#define AUXFB_BYPASS_GAMMA 0x04
#define AUXFB_XHAIR_ENABLE 0x02
#define AUXFB_TRANSPARENT 0x01 /* 0 - 0x00, 1 - 0xff */
#define IBM561_OL_WINTYPE 0x1400
#define OL_CLUT_SELECT_MASK 0x03c0 /* selects which 64 entry block
* in the CLUT to start with */
#define OL_PIXEL_FORM_MASK 0x0030
#define OL_PIXEL_8BIT 0x0000
#define OL_PIXEL_6_2BIT 0x0010 /* 6 overlay, 2 underlay */
#define OL_PIXEL_4_4BIT 0x0020
#define OL_PIXEL_4_DBL 0x0030
#define OL_BUFFER_SELECT 0x0008 /* 1 - buffer B */
#define OL_MODE_MASK 0x0006
#define OL_MODE_INDEXED 0x0000
#define OL_MODE_GREYSCALE 0x0002
#define OL_MODE_INDIRECT 0x0004
#define OL_MODE_DIRECT 0x0006
#define OL_MODE_TRANSP_ENABLE 0x0001
#define IBM561_AUXOL_WINTYPE 0x0f00
#define AUXOL_TRANSP_MASK 0x21
#define AUXOL_TRANSP_00 0x00
#define AUXOL_TRANSP_FF 0x01
#define AUXOL_TRANSP_CHROMA0 0x20
#define AUXOL_TRANSP_CHROMA1 0x21
#define AUXOL_UNDERLAY_ENABLE 0x10
#define AUXOL_OVERLAY_ENABLE 0x08
#define AUXOL_BYPASS_GAMMA 0x04
#define AUXOL_XHAIR_ENABLE 0x02
#define IBM561_CMAP_TABLE 0x4000
#define IBM561_RED_GAMMA_TABLE 0x3000
#define IBM561_GREEN_GAMMA_TABLE 0x3400
#define IBM561_BLUE_GAMMA_TABLE 0x3800
#define IBM561_CHROMAKEY0 0x0010
#define IBM561_CHROMAKEY1 0x0011
#define IBM561_CHROMAKEYMASK0 0x0012
#define IBM561_CHROMAKEYMASK1 0x0013
#define IBM561_WAT_SEG_REG 0x0006
#define IBM561_NCMAP_ENTRIES 1024
#define IBM561_NGAMMA_ENTRIES 256
/* we actually have 1024 of them, but I am just
* going define a few, so this is good.
*/
#define IBM561_NWTYPES 16