* Copyright (c) 1995 Michael Teske

/* $NetBSD: grf_cv3dreg.h,v 1.13 2016/06/17 07:41:56 phx Exp $ */

/*
* Copyright (c) 1995 Michael Teske
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ezra Story and by Kari
* Mettinen.
* 4. 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.
*/

#ifndef _GRF_CV3DREG_H
#define _GRF_CV3DREG_H

/*
* This is derived from Cirrus driver source.
*/

/* Extension to grfvideo_mode to support text modes.
* This can be passed to both text & gfx functions
* without worry. If gv.depth == 4, then the extended
* fields for a text mode are present.
*/

struct grfcv3dtext_mode {
struct grfvideo_mode gv;
unsigned short fx; /* font x dimension */
unsigned short fy; /* font y dimension */
unsigned short cols; /* screen dimensions */
unsigned short rows;
void *fdata; /* font data */
unsigned short fdstart;
unsigned short fdend;
};

/* read VGA register */
#define vgar(ba, reg) \
*(((volatile char *)ba)+(reg ^ 3))

/* write VGA register */
#define vgaw(ba, reg, val) \
*(((volatile char *)ba)+(reg ^ 3)) = ((val) & 0xff)

/* MMIO access */
#define ByteAccessIO(x) ( ((x) & 0x3ffc) | (((x) & 3)^3) | (((x) & 3) <<14) )

#define vgario(ba, reg) \
*(((volatile char *)ba) + ( ByteAccessIO(reg) ))

#define vgawio(ba, reg, val) \
do { \
if (!cv3d_zorroIII) { \
*(((volatile char *)cv3d_vcode_switch_base) + \
0x04) = (0x01 & 0xffff); \
__asm volatile ("nop"); \
} \
*(((volatile char *)cv3d_special_register_base) + \
( ByteAccessIO(reg) & 0xffff )) = ((val) & 0xff); \
if (!cv3d_zorroIII) { \
*(((volatile char *)cv3d_vcode_switch_base) + \
0x04) = (0x02 & 0xffff); \
__asm volatile ("nop"); \
} \
} while (0)

/* read 32 Bit VGA register */
#define vgar32(ba, reg) \
*((volatile unsigned long *) (((volatile char *)ba)+reg))

/* write 32 Bit VGA register */
#define vgaw32(ba, reg, val) \
*((volatile unsigned long *) (((volatile char *)ba)+reg)) = val

/* read 16 Bit VGA register */
#define vgar16(ba, reg) \
*((volatile unsigned short *) (((volatile char *)ba)+reg))

/* write 16 Bit VGA register */
#define vgaw16(ba, reg, val) \
*((volatile unsigned short *) (((volatile char *)ba)+reg)) = val

#define Select_Zorro2_FrameBuffer(flag) \
do { \
*(((volatile char *)cv3d_vcode_switch_base) + \
0x08) = ((flag * 0x40) & 0xffff); \
__asm volatile ("nop"); \
} while (0)

int grfcv3d_cnprobe(void);
void grfcv3d_iteinit(struct grf_softc *);
static inline void GfxBusyWait(volatile void *);
static inline void GfxFifoWait(volatile void *);
static inline unsigned char RAttr(volatile void *, short);
static inline unsigned char RSeq(volatile void *, short);
static inline unsigned char RCrt(volatile void *, short);
static inline unsigned char RGfx(volatile void *, short);

/*
* defines for the used register addresses (mw)
*
* NOTE: there are some registers that have different addresses when
* in mono or color mode. We only support color mode, and thus
* some addresses won't work in mono-mode!
*
* General and VGA-registers taken from retina driver. Fixed a few
* bugs in it. (SR and GR read address is Port + 1, NOT Port)
*
*/

/* General Registers: */
#define GREG_MISC_OUTPUT_R 0x03CC
#define GREG_MISC_OUTPUT_W 0x03C2
#define GREG_FEATURE_CONTROL_R 0x03CA
#define GREG_FEATURE_CONTROL_W 0x03DA
#define GREG_INPUT_STATUS0_R 0x03C2
#define GREG_INPUT_STATUS1_R 0x03DA

/* Setup Registers: */
#define SREG_OPTION_SELECT 0x0102
#define SREG_VIDEO_SUBS_ENABLE 0x03C3 /* Trio64: 0x46E8 */

/* Attribute Controller: */
#define ACT_ADDRESS 0x03C0
#define ACT_ADDRESS_R 0x03C1
#define ACT_ADDRESS_W 0x03C0
#define ACT_ADDRESS_RESET 0x03DA
#define ACT_ID_PALETTE0 0x00
#define ACT_ID_PALETTE1 0x01
#define ACT_ID_PALETTE2 0x02
#define ACT_ID_PALETTE3 0x03
#define ACT_ID_PALETTE4 0x04
#define ACT_ID_PALETTE5 0x05
#define ACT_ID_PALETTE6 0x06
#define ACT_ID_PALETTE7 0x07
#define ACT_ID_PALETTE8 0x08
#define ACT_ID_PALETTE9 0x09
#define ACT_ID_PALETTE10 0x0A
#define ACT_ID_PALETTE11 0x0B
#define ACT_ID_PALETTE12 0x0C
#define ACT_ID_PALETTE13 0x0D
#define ACT_ID_PALETTE14 0x0E
#define ACT_ID_PALETTE15 0x0F
#define ACT_ID_ATTR_MODE_CNTL 0x10
#define ACT_ID_OVERSCAN_COLOR 0x11
#define ACT_ID_COLOR_PLANE_ENA 0x12
#define ACT_ID_HOR_PEL_PANNING 0x13
#define ACT_ID_COLOR_SELECT 0x14 /* ACT_ID_PIXEL_PADDING */

/* Graphics Controller: */
#define GCT_ADDRESS 0x03CE
#define GCT_ADDRESS_R 0x03CF
#define GCT_ADDRESS_W 0x03CF
#define GCT_ID_SET_RESET 0x00
#define GCT_ID_ENABLE_SET_RESET 0x01
#define GCT_ID_COLOR_COMPARE 0x02
#define GCT_ID_DATA_ROTATE 0x03
#define GCT_ID_READ_MAP_SELECT 0x04
#define GCT_ID_GRAPHICS_MODE 0x05
#define GCT_ID_MISC 0x06
#define GCT_ID_COLOR_XCARE 0x07
#define GCT_ID_BITMASK 0x08

/* Sequencer: */
#define SEQ_ADDRESS 0x03C4
#define SEQ_ADDRESS_R 0x03C5
#define SEQ_ADDRESS_W 0x03C5
#define SEQ_ID_RESET 0x00
#define SEQ_ID_CLOCKING_MODE 0x01
#define SEQ_ID_MAP_MASK 0x02
#define SEQ_ID_CHAR_MAP_SELECT 0x03
#define SEQ_ID_MEMORY_MODE 0x04
#define SEQ_ID_UNKNOWN1 0x05
#define SEQ_ID_UNKNOWN2 0x06
#define SEQ_ID_UNKNOWN3 0x07
/* S3 extensions */
#define SEQ_ID_UNLOCK_EXT 0x08
#define SEQ_ID_MMIO_SELECT 0x09 /* Trio64: SEQ_ID_EXT_SEQ_REG9 */
#define SEQ_ID_BUS_REQ_CNTL 0x0A
#define SEQ_ID_EXT_MISC_SEQ 0x0B
#define SEQ_ID_UNKNOWN4 0x0C
#define SEQ_ID_EXT_SEQ 0x0D
#define SEQ_ID_UNKNOWN5 0x0E
#define SEQ_ID_UNKNOWN6 0x0F
#define SEQ_ID_MCLK_LO 0x10
#define SEQ_ID_MCLK_HI 0x11
#define SEQ_ID_DCLK_LO 0x12
#define SEQ_ID_DCLK_HI 0x13
#define SEQ_ID_CLKSYN_CNTL_1 0x14
#define SEQ_ID_CLKSYN_CNTL_2 0x15
#define SEQ_ID_CLKSYN_TEST_HI 0x16 /* reserved for S3 testing of the */
#define SEQ_ID_CLKSYN_TEST_LO 0x17 /* internal clock synthesizer */
#define SEQ_ID_RAMDAC_CNTL 0x18
#define SEQ_ID_MORE_MAGIC 0x1A /* not available on the Virge */
#define SEQ_ID_SIGNAL_SELECT 0x1C

/* CRT Controller: */
#define CRT_ADDRESS 0x03D4
#define CRT_ADDRESS_R 0x03D5
#define CRT_ADDRESS_W 0x03D5
#define CRT_ID_HOR_TOTAL 0x00
#define CRT_ID_HOR_DISP_ENA_END 0x01
#define CRT_ID_START_HOR_BLANK 0x02
#define CRT_ID_END_HOR_BLANK 0x03
#define CRT_ID_START_HOR_RETR 0x04
#define CRT_ID_END_HOR_RETR 0x05
#define CRT_ID_VER_TOTAL 0x06
#define CRT_ID_OVERFLOW 0x07
#define CRT_ID_PRESET_ROW_SCAN 0x08
#define CRT_ID_MAX_SCAN_LINE 0x09
#define CRT_ID_CURSOR_START 0x0A
#define CRT_ID_CURSOR_END 0x0B
#define CRT_ID_START_ADDR_HIGH 0x0C
#define CRT_ID_START_ADDR_LOW 0x0D
#define CRT_ID_CURSOR_LOC_HIGH 0x0E
#define CRT_ID_CURSOR_LOC_LOW 0x0F
#define CRT_ID_START_VER_RETR 0x10
#define CRT_ID_END_VER_RETR 0x11
#define CRT_ID_VER_DISP_ENA_END 0x12
#define CRT_ID_SCREEN_OFFSET 0x13
#define CRT_ID_UNDERLINE_LOC 0x14
#define CRT_ID_START_VER_BLANK 0x15
#define CRT_ID_END_VER_BLANK 0x16
#define CRT_ID_MODE_CONTROL 0x17
#define CRT_ID_LINE_COMPARE 0x18
#define CRT_ID_GD_LATCH_RBACK 0x22
#define CRT_ID_ACT_TOGGLE_RBACK 0x24
#define CRT_ID_ACT_INDEX_RBACK 0x26
/* S3 extensions: S3 VGA Registers */
#define CRT_ID_DEVICE_HIGH 0x2D
#define CRT_ID_DEVICE_LOW 0x2E
#define CRT_ID_REVISION 0x2F
#define CRT_ID_CHIP_ID_REV 0x30
#define CRT_ID_MEMORY_CONF 0x31
#define CRT_ID_BACKWAD_COMP_1 0x32
#define CRT_ID_BACKWAD_COMP_2 0x33
#define CRT_ID_BACKWAD_COMP_3 0x34
#define CRT_ID_REGISTER_LOCK 0x35
#define CRT_ID_CONFIG_1 0x36
#define CRT_ID_CONFIG_2 0x37
#define CRT_ID_REGISTER_LOCK_1 0x38
#define CRT_ID_REGISTER_LOCK_2 0x39
#define CRT_ID_MISC_1 0x3A
#define CRT_ID_DISPLAY_FIFO 0x3B
#define CRT_ID_LACE_RETR_START 0x3C
/* S3 extensions: System Control Registers */
#define CRT_ID_SYSTEM_CONFIG 0x40
#define CRT_ID_BIOS_FLAG 0x41
#define CRT_ID_LACE_CONTROL 0x42
#define CRT_ID_EXT_MODE 0x43
#define CRT_ID_HWGC_MODE 0x45 /* HWGC = Hardware Graphics Cursor */
#define CRT_ID_HWGC_ORIGIN_X_HI 0x46
#define CRT_ID_HWGC_ORIGIN_X_LO 0x47
#define CRT_ID_HWGC_ORIGIN_Y_HI 0x48
#define CRT_ID_HWGC_ORIGIN_Y_LO 0x49
#define CRT_ID_HWGC_FG_STACK 0x4A
#define CRT_ID_HWGC_BG_STACK 0x4B
#define CRT_ID_HWGC_START_AD_HI 0x4C
#define CRT_ID_HWGC_START_AD_LO 0x4D
#define CRT_ID_HWGC_DSTART_X 0x4E
#define CRT_ID_HWGC_DSTART_Y 0x4F
/* S3 extensions: System Extension Registers */
#define CRT_ID_EXT_SYS_CNTL_1 0x50
#define CRT_ID_EXT_SYS_CNTL_2 0x51
#define CRT_ID_EXT_BIOS_FLAG_1 0x52
#define CRT_ID_EXT_MEM_CNTL_1 0x53
#define CRT_ID_EXT_MEM_CNTL_2 0x54
#define CRT_ID_EXT_DAC_CNTL 0x55
#define CRT_ID_EX_SYNC_1 0x56
#define CRT_ID_EX_SYNC_2 0x57
#define CRT_ID_LAW_CNTL 0x58 /* LAW = Linear Address Window */
#define CRT_ID_LAW_POS_HI 0x59
#define CRT_ID_LAW_POS_LO 0x5A
#define CRT_ID_GOUT_PORT 0x5C
#define CRT_ID_EXT_HOR_OVF 0x5D
#define CRT_ID_EXT_VER_OVF 0x5E
#define CRT_ID_EXT_MEM_CNTL_3 0x60
#define CRT_ID_EXT_MEM_CNTL_4 0x61 /* only available on the Virge */
#define CRT_ID_EX_SYNC_3 0x63 /* not available on the Virge */
#define CRT_ID_EXT_MISC_CNTL 0x65
#define CRT_ID_EXT_MISC_CNTL_1 0x66
#define CRT_ID_EXT_MISC_CNTL_2 0x67
#define CRT_ID_CONFIG_3 0x68
#define CRT_ID_EXT_SYS_CNTL_3 0x69
#define CRT_ID_EXT_SYS_CNTL_4 0x6A
#define CRT_ID_EXT_BIOS_FLAG_3 0x6B
#define CRT_ID_EXT_BIOS_FLAG_4 0x6C
#define CRT_ID_EXT_BIOS_FLAG_5 0x6D /* only available on the Virge */
#define CRT_ID_RAMDAC_SIG_TEST 0x6E /* only available on the Virge */
#define CRT_ID_CONFIG_4 0x6F /* only available on the Virge */

/* Streams Processor */
#define SP_PRIMARY_CONTROL 0x8180
#define SP_COLOR_CHROMA_KEY_CONTROL 0x8184
#define SP_SECONDARY_CONTROL 0x8190
#define SP_CHROMA_KEY_UPPER_BOUND 0x8194
#define SP_SECONDARY_CONSTANTS 0x8198
#define SP_BLEND_CONTROL 0x81A0
#define SP_PRIMARY_ADDRESS_0 0x81C0
#define SP_PRIMARY_ADDRESS_1 0x81C4
#define SP_PRIMARY_STRIDE 0x81C8
#define SP_DOUBLE_BUFFER_LPB_SUPPORT 0x81CC
#define SP_SECONDARY_ADDRESS_0 0x81D0
#define SP_SECONDARY_ADDRESS_1 0x81D4
#define SP_SECONDARY_STRIDE 0x81D8
#define SP_OPAQUE_OVERLAY_CONTROL 0x81DC
#define SP_K1_VERTICAL_SCALE_FACTOR 0x81E0
#define SP_K2_VERTICAL_SCALE_FACTOR 0x81E4
#define SP_DDA_VERTICAL_ACCUMULATOR 0x81E8
#define SP_FIFO_CONTROL 0x81EC
#define SP_PRIMARY_WINDOW_TOP_LEFT 0x81F0
#define SP_PRIMARY_WINDOW_SIZE 0x81F4
#define SP_SECONDARY_WINDOW_TOP_LEFT 0x81F8
#define SP_SECONDARY_WINDOW_SIZE 0x81FC

/* Memory Port Controller */
#define MPC_FIFO_CONTROL 0x8200
#define MPC_MIU_CONTROL 0x8204
#define MPC_STREAMS_TIMEOUT 0x8208
#define MPC_MISC_TIMEOUT 0x820C
#define MPC_DMA_READ_BASE_ADDRESS 0x8220
#define MPC_DMA_READ_STRIDE_WIDTH 0x8224

/* Miscellaneous Registers */
#define MR_SUBSYSTEM_STATUS_CNTL 0x8504
#define MR_ADVANCED_FUNCTION_CONTROL 0x850C

/* S3d Engine */
#define S3D_BIT_BLT_RECT_FILL 0xA400
#define S3D_LINE_2D 0xA800
#define S3D_POLYGON_2D 0xAC00
#define S3D_LINE_3D 0xB000
#define S3D_TRIANGLE_3D 0xB400

#define BLT_ADDRESS 0xA4D4
#define BLT_SOURCE_ADDRESS 0xA4D4
#define BLT_DEST_ADDRESS 0xA4D8
#define BLT_CLIP_LEFT_RIGHT 0xA4DC
#define BLT_CLIP_LEFT BLT_CLIP_LEFT_RIGHT
#define BLT_CLIP_RIGHT 0xA4DE
#define BLT_CLIP_TOP_BOTTOM 0xA4E0
#define BLT_CLIP_BOTTOM BLT_CLIP_TOP_BOTTOM
#define BLT_CLIP_TOP 0xA4E2
#define BLT_DEST_SOURCE_PITCH 0xA4E4
#define BLT_SOURCE_PITCH BLT_DEST_SOURCE_PITCH
#define BLT_DEST_PITCH 0xA4E6
#define BLT_MONO_PATTERN 0xA4E8
#define BLT_MONO_PATTERN_0 BLT_MONO_PATTERN
#define BLT_MONO_PATTERN_1 0xA4EC
#define BLT_PATTERN_BG_COLOR 0xA4F0
#define BLT_PATTERN_BG_COLOR_TRUE_COLOR BLT_PATTERN_BG_COLOR
#define BLT_PATTERN_BG_COLOR_ALPHA BLT_PATTERN_BG_COLOR
#define BLT_PATTERN_BG_COLOR_RED 0xA4F1
#define BLT_PATTERN_BG_COLOR_HI_COLOR 0xA4F2
#define BLT_PATTERN_BG_COLOR_GREEN BLT_PATTERN_BG_COLOR_HI_COLOR
#define BLT_PATTERN_BG_COLOR_INDEX 0xA4F3
#define BLT_PATTERN_BG_COLOR_BLUE BLT_PATTERN_BG_COLOR_INDEX
#define BLT_PATTERN_FG_COLOR 0xA4F4
#define BLT_PATTERN_FG_COLOR_TRUE_COLOR BLT_PATTERN_FG_COLOR
#define BLT_PATTERN_FG_COLOR_ALPHA BLT_PATTERN_FG_COLOR
#define BLT_PATTERN_FG_COLOR_RED 0xA4F5
#define BLT_PATTERN_FG_COLOR_HI_COLOR 0xA4F6
#define BLT_PATTERN_FG_COLOR_GREEN BLT_PATTERN_FG_COLOR_HI_COLOR
#define BLT_PATTERN_FG_COLOR_INDEX 0xA4F7
#define BLT_PATTERN_FG_COLOR_BLUE BLT_PATTERN_FG_COLOR_INDEX
#define BLT_SOURCE_BG_COLOR 0xA4F8
#define BLT_SOURCE_BG_COLOR_TRUE_COLOR BLT_SOURCE_BG_COLOR
#define BLT_SOURCE_BG_COLOR_ALPHA BLT_SOURCE_BG_COLOR
#define BLT_SOURCE_BG_COLOR_RED 0xA4F9
#define BLT_SOURCE_BG_COLOR_HI_COLOR 0xA4FA
#define BLT_SOURCE_BG_COLOR_GREEN BLT_SOURCE_BG_COLOR_HI_COLOR
#define BLT_SOURCE_BG_COLOR_INDEX 0xA4FB
#define BLT_SOURCE_BG_COLOR_BLUE BLT_SOURCE_BG_COLOR_INDEX
#define BLT_SOURCE_FG_COLOR 0xA4FC
#define BLT_SOURCE_FG_COLOR_TRUE_COLOR BLT_SOURCE_FG_COLOR
#define BLT_SOURCE_FG_COLOR_ALPHA BLT_SOURCE_FG_COLOR
#define BLT_SOURCE_FG_COLOR_RED 0xA4FD
#define BLT_SOURCE_FG_COLOR_HI_COLOR 0xA4FE
#define BLT_SOURCE_FG_COLOR_GREEN BLT_SOURCE_FG_COLOR_HI_COLOR
#define BLT_SOURCE_FG_COLOR_INDEX 0xA4FF
#define BLT_SOURCE_FG_COLOR_BLUE BLT_SOURCE_FG_COLOR_INDEX
#define BLT_COMMAND_SET 0xA500
#define BLT_WIDTH_HEIGHT 0xA504
#define BLT_HEIGHT BLT_WIDTH_HEIGHT
#define BLT_WIDTH 0xA506
#define BLT_SOURCE_XY 0xA508
#define BLT_SOURCE_Y BLT_SOURCE_XY
#define BLT_SOURCE_X 0xA50A
#define BLT_DESTINATION_XY 0xA50C
#define BLT_DESTINATION_Y BLT_DESTINATION_XY
#define BLT_DESTINATION_X 0xA50E

#define L2D_ADDRESS 0xA8D4
#define L2D_SOURCE_ADDRESS 0xA8D4
#define L2D_DEST_ADDRESS 0xA8D8
#define L2D_CLIP_LEFT_RIGHT 0xA8DC
#define L2D_CLIP_LEFT L2D_CLIP_LEFT_RIGHT
#define L2D_CLIP_RIGHT 0xA8DE
#define L2D_CLIP_TOP_BOTTOM 0xA8E0
#define L2D_CLIP_BOTTOM L2D_CLIP_TOP_BOTTOM
#define L2D_CLIP_TOP 0xA8E2
#define L2D_DEST_SOURCE_PITCH 0xA8E4
#define L2D_SOURCE_PITCH L2D_DEST_SOURCE_PITCH
#define L2D_DEST_PITCH 0xA8E6
#define L2D_PAD_0 0xA8E8
#define L2D_PATTERN_FG_COLOR_TRUE_COLOR 0xA8F4
#define L2D_PATTERN_FG_COLOR_ALPHA L2D_PATTERN_FG_COLOR_TRUECOLOR
#define L2D_PATTERN_FG_COLOR_RED 0xA8F5
#define L2D_PATTERN_FG_COLOR_HI_COLOR 0xA8F6
#define L2D_PATTERN_FG_COLOR_GREEN L2D_PATTERN_FG_COLOR_HICOLOR
#define L2D_PATTERN_FG_COLOR_INDEX 0xA8F7
#define L2D_PATTERN_FG_COLOR_BLUE L2D_PATTERN_FG_COLOR_INDEX
#define L2D_PAD_1 0xA8F8
#define L2D_COMMAND_SET 0xA900
#define L2D_PAD_2 0xA904
#define L2D_END_0_END_1 0xA96C
#define L2D_END_1 L2D_END_0_END_1
#define L2D_END_0 0xA96E
#define L2D_DX 0xA970
#define L2D_X_START 0xA974
#define L2D_Y_START 0xA978
#define L2D_Y_COUNT 0xA97C

#define P2D_ADDRESS 0xACD4
#define P2D_SOURCE_ADDRESS 0xACD4
#define P2D_DEST_ADDRESS 0xACD8
#define P2D_CLIP_LEFT_RIGHT 0xACDC
#define P2D_CLIP_LEFT P2D_CLIP_LEFT_RIGHT
#define P2D_CLIP_RIGHT 0xACDE
#define P2D_CLIP_TOP_BOTTOM 0xACE0
#define P2D_CLIP_BOTTOM P2D_CLIP_TOP_BOTTOM
#define P2D_CLIP_TOP 0xACE2
#define P2D_DEST_SOURCE_PITCH 0xACE4
#define P2D_SOURCE_PITCH P2D_DEST_SOURCE_PITCH
#define P2D_DEST_PITCH 0xACE6
#define P2D_MONO_PATTERN 0xACE8
#define P2D_PATTERN_BG_COLOR_TRUE_COLOR 0xACF0
#define P2D_PATTERN_BG_COLOR_ALPHA P2D_PATTERN_BG_COLOR_TRUE_COLOR
#define P2D_PATTERN_BG_COLOR_RED 0xACF1
#define P2D_PATTERN_BG_COLOR_HI_COLOR 0xACF2
#define P2D_PATTERN_BG_COLOR_GREEN P2D_PATTERN_BG_COLOR_HI_COLOR
#define P2D_PATTERN_BG_COLOR_INDEX 0xACF3
#define P2D_PATTERN_BG_COLOR_BLUE P2D_PATTERN_BG_COLOR_INDEX
#define P2D_PATTERN_FG_COLOR_TRUE_COLOR 0xACF4
#define P2D_PATTERN_FG_COLOR_ALPHA P2D_PATTERN_FG_COLOR_TRUE_COLOR
#define P2D_PATTERN_FG_COLOR_RED 0xACF5
#define P2D_PATTERN_FG_COLOR_HI_COLOR 0xACF6
#define P2D_PATTERN_FG_COLOR_GREEN P2D_PATTERN_FG_COLOR_HI_COLOR
#define P2D_PATTERN_FG_COLOR_INDEX 0xACF7
#define P2D_PATTERN_FG_COLOR_BLUE P2D_PATTERN_FG_COLOR_INDEX
#define P2D_PAD_1 0xACF8
#define P2D_COMMAND_SET 0xAD00
#define P2D_PAD_2 0xAD04
#define P2D_RIGHT_DX 0xAD68
#define P2D_RIGHT_X_START 0xAD6C
#define P2D_LEFT_DX 0xAD70
#define P2D_LEFT_X_START 0xAD74
#define P2D_Y_START 0xAD78
#define P2D_Y_COUNT 0xAD7C

#define CMD_NOP (7 << 27) /* %1111 << 27 */
#define CMD_LINE (3 << 27) /* %0011 << 27 */
#define CMD_RECT (4 << 27) /* %0010 << 27 */
#define CMD_POLYGON (5 << 27) /* %0101 << 27 */
#define CMD_BITBLT (0 << 27) /* %0000 << 27 */

#define CMD_SKIP_TRANSFER_BYTES_1 (1 << 12) /* %01 << 12 */
#define CMD_SKIP_TRANSFER_BYTES_2 (2 << 12) /* %10 << 12 */
#define CMD_SKIP_TRANSFER_BYTES_3 (3 << 12) /* %11 << 12 */

#define CMD_TRANSFER_ALIGNMENT_BYTE (0 << 10) /* %00 << 10 */
#define CMD_TRANSFER_ALIGNMENT_WORD (1 << 10) /* %01 << 10 */
#define CMD_TRANSFER_ALIGNMENT_DOUBLEWORD (2 << 10) /* %10 << 10 */

#define CMD_CHUNKY (0 << 2) /* %00 << 2 */
#define CMD_HI_COLOR (1 << 2) /* %01 << 2 */
#define CMD_TRUE_COLOR (2 << 2) /* %10 << 2 */

#define ROP_FALSE 0x00
#define ROP_NOR 0x10
#define ROP_ONLYDST 0x20
#define ROP_NOTSRC 0x30
#define ROP_ONLYSRC 0x40
#define ROP_NOTDST 0x50
#define ROP_EOR 0x60
#define ROP_NAND 0x70
#define ROP_AND 0x80
#define ROP_NEOR 0x90
#define ROP_DST 0xA0
#define ROP_NOTONLYSRC 0xB0
#define ROP_SRC 0xC0
#define ROP_NOTONLYDST 0xD0
#define ROP_OR 0xE0
#define ROP_TRUE 0xF0

/* Pass-through */
#if 0 /* XXX */
#define PASS_ADDRESS 0x
#define PASS_ADDRESS_W 0x
#endif

/* Video DAC */
#define VDAC_ADDRESS 0x03C8
#define VDAC_ADDRESS_W 0x03C8
#define VDAC_ADDRESS_R 0x03C7
#define VDAC_STATE 0x03C7
#define VDAC_DATA 0x03C9
#define VDAC_MASK 0x03C6

#define WGfx(ba, idx, val) \
do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)

#define WSeq(ba, idx, val) \
do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)

#define WCrt(ba, idx, val) \
do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)

#define WAttr(ba, idx, val) \
do { \
unsigned char tmp;\
tmp = vgar(ba, ACT_ADDRESS_RESET);\
__USE(tmp);\
vgaw(ba, ACT_ADDRESS_W, idx);\
vgaw(ba, ACT_ADDRESS_W, val);\
} while (0)

#define SetTextPlane(ba, m) \
do { \
WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
} while (0)

/* Gfx engine busy wait */

static inline void
GfxBusyWait (volatile void *ba)
{
int test;

do {
test = vgar32(ba, MR_SUBSYSTEM_STATUS_CNTL);
__asm volatile ("nop");
} while (!(test & (1 << 13)));
}

static inline void
GfxFifoWait(volatile void *ba)
{
#if 0 /* XXX */
int test;

do {
test = vgar32(ba, MR_SUBSYSTEM_STATUS_CNTL);
} while (test & 0x0f);
#endif
}

/* Special wakeup/passthrough registers on graphics boards
*
* The methods have diverged a bit for each board, so
* WPass(P) has been converted into a set of specific
* inline functions.
*/

static inline unsigned char
RAttr(volatile void *ba, short idx)
{

vgaw(ba, ACT_ADDRESS_W, idx);
delay(0);
return vgar(ba, ACT_ADDRESS_R);
}

static inline unsigned char
RSeq(volatile void *ba, short idx)
{
vgaw(ba, SEQ_ADDRESS, idx);
return vgar(ba, SEQ_ADDRESS_R);
}

static inline unsigned char
RCrt(volatile void *ba, short idx)
{
vgaw(ba, CRT_ADDRESS, idx);
return vgar(ba, CRT_ADDRESS_R);
}

static inline unsigned char
RGfx(volatile void *ba, short idx)
{
vgaw(ba, GCT_ADDRESS, idx);
return vgar(ba, GCT_ADDRESS_R);
}

#endif /* _GRF_CV3DREG_H */