/*      $NetBSD: p9100reg.h,v 1.6 2012/09/21 01:07:44 macallan Exp $ */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Matt Thomas.
 *
 * 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.
 */


#ifndef P9100_REG_H
#define P9100_REG_H

/* The Tadpole 3GX Technical Reference Manual lies.  The ramdac registers
 * are map in 4 byte increments, not 8.
 */
#define SCRN_RPNT_CTL_1 0x0138  /* Screen Respaint Timing Control 1 */
#define VIDEO_ENABLED   0x00000020
#define PWRUP_CNFG      0x0194  /* Power Up Configuration */
#define DAC_CMAP_WRIDX  0x0200  /* IBM RGB528 Palette Address (Write) */
#define DAC_CMAP_DATA   0x0204  /* IBM RGB528 Palette Data */
#define DAC_PXL_MASK    0x0208  /* IBM RGB528 Pixel Mask */
#define DAC_CMAP_RDIDX  0x020c  /* IBM RGB528 Palette Address (Read) */
#define DAC_INDX_LO     0x0210  /* IBM RGB528 Index Low */
#define DAC_INDX_HI     0x0214  /* IBM RGB528 Index High */
#define DAC_INDX_DATA   0x0218  /* IBM RGB528 Index Data (Indexed Registers) */
#define DAC_INDX_CTL    0x021c  /* IBM RGB528 Index Control */
        #define DAC_INDX_AUTOINCR       0x01
        
#define DAC_VERSION     0x01
#define DAC_MISC_CLK    0x02
#define DAC_POWER_MGT   0x05
        #define DAC_POWER_SCLK_DISABLE  0x10
        #define DAC_POWER_DDOT_DISABLE  0x08
        #define DAC_POWER_SYNC_DISABLE  0x04
        /* Disable internal DAC clock */
        #define DAC_POWER_ICLK_DISABLE  0x02
        /* Disable internal DAC power */
        #define DAC_POWER_IPWR_DISABLE  0x01        
#define DAC_OPERATION   0x06
        #define DAC_SYNC_ON_GREEN       0x08
#define DAC_PALETTE_CTRL 0x07
#define DAC_PIXEL_FMT   0x0a
#define DAC_8BIT_CTRL   0x0b
        #define DAC8_DIRECT_COLOR       0x01
#define DAC_16BIT_CTRL  0x0c
        #define DAC16_INDIRECT_COLOR    0x00
        #define DAC16_DYNAMIC_COLOR     0x40
        #define DAC16_DIRECT_COLOR      0xc0
        #define DAC16_BYPASS_POLARITY   0x20
        #define DAC16_BIT_FILL_LINEAR   0x04
        #define DAC16_555               0x00
        #define DAC16_565               0x02
        #define DAC16_CONTIGUOUS        0x01
#define DAC_24BIT_CTRL  0x0d
        #define DAC24_DIRECT_COLOR      0x01
#define DAC_32BIT_CTRL  0x0e
        #define DAC32_BYPASS_POLARITY   0x04
        #define DAC32_INDIRECT_COLOR    0x00
        #define DAC32_DYNAMIC_COLOR     0x01
        #define DAC32_DIRECT_COLOR      0x03
#define DAC_VCO_DIV     0x16
#define DAC_PLL0        0x20
#define DAC_MISC_1      0x70
#define DAC_MISC_2      0x71
#define DAC_MISC_3      0x72
                                                                                                                      
#define DAC_CURSOR_CTL  0x30
        #define DAC_CURSOR_OFF  0x00
        #define DAC_CURSOR_WIN  0x02
        #define DAC_CURSOR_X11  0x03
        #define DAC_CURSOR_64   0x04    /* clear for 32x32 cursor */
#define DAC_CURSOR_X            0x31    /* 8-low, 8-high */
#define DAC_CURSOR_Y            0x33    /* 8-low, 8-high */
#define DAC_CURSOR_HOT_X        0x35    /* hotspot */
#define DAC_CURSOR_HOT_Y        0x36
#define DAC_CURSOR_COL_1        0x40    /* red. green and blue */
#define DAC_CURSOR_COL_2        0x43    
#define DAC_CURSOR_COL_3        0x46    
#define DAC_PIX_PLL             0x8e
#define DAC_CURSOR_DATA         0x100

/* main registers */
#define SYS_CONF        0x0004  /* System Configuration Register */
        #define BUFFER_WRITE_1  0x0200  /* writes got o buffer 1 */
        #define BUFFER_WRITE_0  0x0000  /* writes go to buffer 0 */
        #define BUFFER_READ_1   0x0400  /* read from buffer 1 */
        #define BUFFER_READ_0   0x0000  
        #define MEM_SWAP_BITS   0x0800  /* swap bits when accessing VRAM */
        #define MEM_SWAP_BYTES  0x1000  /* swap bytes when accessing VRAM */
        #define MEM_SWAP_HWORDS 0x2000  /* swap halfwords when accessing VRAM */
        #define SHIFT_0         14      
        #define SHIFT_1         17
        #define SHIFT_2         20
        #define SHIFT_3         29
        #define PIXEL_SHIFT     26
        #define SWAP_SHIFT      11
        /* this is what the 3GX manual says */
        #define SC_8BIT         2
        #define SC_16BIT        3
        #define SC_24BIT        7
        #define SC_32BIT        5

/* video controller registers */
#define VID_HCOUNTER    0x104
#define VID_HTOTAL      0x108
#define VID_HSRE        0x10c   /* hsync raising edge */
#define VID_HBRE        0x110   /* hblank raising edge */
#define VID_HBFE        0x114   /* hblank falling edge */
#define VID_HCNTPRLD    0x118   /* hcounter preload */
#define VID_VCOUNTER    0x11c   /* vcounter */
#define VID_VLENGTH     0x120   /* lines, including blanks */
#define VID_VSRE        0x124   /* vsync raising edge */
#define VID_VBRE        0x128   /* vblank raising edge */
#define VID_VBFE        0x12c   /* vblank falling edge */
#define VID_VCNTPRLD    0x130   /* vcounter preload */
#define VID_SRADDR      0x134   /* screen repaint address */
#define VID_SRTC        0x138   /* screen repaint timing control */
#define VID_QSFCNTR     0x13c   /* QSF counter */

#define VID_MEM_CONFIG  0x184   /* memory config */
#define VID_RFPERIOD    0x188   /* refresh period */
#define VID_RFCOUNT     0x18c   /* refresh counter */
#define VID_RLMAX       0x190   /* RAS low max */
#define VID_RLCUR       0x194   /* RAS low current */
#define VID_DACSYNC     0x198   /* read after last DAC access */

#define ENGINE_STATUS   0x2000  /* drawing engine status register */
        #define BLITTER_BUSY    0x80000000
        #define ENGINE_BUSY     0x40000000
#define COMMAND_BLIT            0x2004
#define COMMAND_QUAD            0x2008
#define COMMAND_PIXEL8          0x200c
/* pixel data for monochrome colour expansion */
#define PIXEL_1                 0x2080  
/* apparently bits 2-6 control how many pixels we write - n+1 */

/* drawing engine registers */
#define COORD_INDEX             0x218c
#define WINDOW_OFFSET           0x2190

#define FOREGROUND_COLOR        0x2200
#define BACKGROUND_COLOR        0x2204
#define PLANE_MASK                      0x2208
#define DRAW_MODE                       0x220c  
#define PATTERN_ORIGIN_X        0x2210
#define PATTERN_ORIGIN_Y        0x2214
#define RASTER_OP                       0x2218
        #define ROP_NO_SOLID            0x02000 /* if set use pattern instead of color for quad operations */
        #define ROP_2BIT_PATTERN        0x04000 /* 4-colour pattern instead of mono */
        #define ROP_PIX1_TRANS          0x08000 /* transparent background in mono */
        #define ROP_OVERSIZE            0x10000
        #define ROP_PATTERN             0x20000         /* the manual says pattern enable */
        #define ROP_TRANS               0x20000         /* but XFree86 says trans */
        #define ROP_SRC                 0xCC
        #define ROP_PAT                 0xF0
        #define ROP_DST                 0xAA
        #define ROP_SET                 0xff

#define PIXEL_8                         0x221c
#define WINDOW_MIN                      0x2220
#define WINDOW_MAX                      0x2224

#define PATTERN0                        0x2280
#define PATTERN1                        0x2284
#define PATTERN2                        0x2288
#define PATTERN3                        0x228c
#define USER0                           0x2290
#define USER1                           0x2294
#define USER2                           0x2298
#define USER3                           0x229c
#define BYTE_CLIP_MIN           0x22a0
#define BYTE_CLIP_MAX           0x22a4

/* coordinate registers */
#define ABS_X0          0x3008
#define ABS_Y0          0x3010
#define ABS_XY0         0x3018
#define REL_X0          0x3028
#define REL_Y0          0x3030
#define REL_XY0         0x3038

#define ABS_X1          0x3048
#define ABS_Y1          0x3050
#define ABS_XY1         0x3058
#define REL_X1          0x3068
#define REL_Y1          0x3070
#define REL_XY1         0x3078

#define ABS_X2          0x3088
#define ABS_Y2          0x3090
#define ABS_XY2         0x3098
#define REL_X2          0x30a8
#define REL_Y2          0x30b0
#define REL_XY2         0x30b8

#define ABS_X3          0x30c8
#define ABS_Y3          0x30d0
#define ABS_XY3         0x30d8
#define REL_X3          0x30e8
#define REL_Y3          0x30f0
#define REL_XY3         0x30f8

/* meta-coordinates */
#define POINT_RTW_X             0x3208
#define POINT_RTW_Y             0x3210
#define POINT_RTW_XY    0x3218
#define POINT_RTP_X             0x3228
#define POINT_RTP_Y             0x3220
#define POINT_RTP_XY    0x3238

#define LINE_RTW_X              0x3248
#define LINE_RTW_Y              0x3250
#define LINE_RTW_XY             0x3258
#define LINE_RTP_X              0x3268
#define LINE_RTP_Y              0x3260
#define LINE_RTP_XY             0x3278

#define TRIANGLE_RTW_X  0x3288
#define TRIANGLE_RTW_Y  0x3290
#define TRIANGLE_RTW_XY 0x3298
#define TRIANGLE_RTP_X  0x32a8
#define TRIANGLE_RTP_Y  0x32a0
#define TRIANGLE_RTP_XY 0x32b8

#define QUAD_RTW_X              0x32c8
#define QUAD_RTW_Y              0x32d0
#define QUAD_RTW_XY             0x32d8
#define QUAD_RTP_X              0x32e8
#define QUAD_RTP_Y              0x32e0
#define QUAD_RTP_XY             0x32f8

#define RECT_RTW_X              0x3308
#define RECT_RTW_Y              0x3310
#define RECT_RTW_XY             0x3318
#define RECT_RTP_X              0x3328
#define RECT_RTP_Y              0x3320
#define RECT_RTP_XY             0x3338

#endif