/**************************************************************************

Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
All Rights Reserved.

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sub license, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice (including the
next paragraph) shall be included in all copies or substantial portions
of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

**************************************************************************/

/*
 * Authors:
 *   Kevin E. Martin <kevin@precisioninsight.com>
 */

/* I/O register offsets */
#define SRX VGA_SEQ_I
#define GRX VGA_GFX_I
#define ARX VGA_ATT_IW
#define XRX 0x3D6
#define MRX 0x3D2

/* VGA Color Palette Registers */
#define DACMASK         0x3C6
#define DACSTATE        0x3C7
#define DACRX           0x3C7
#define DACWX           0x3C8
#define DACDATA         0x3C9

/* CRT Controller Registers (CRX) */
#define START_ADDR_HI           0x0C
#define START_ADDR_LO           0x0D
#define VERT_SYNC_END           0x11
#define EXT_VERT_TOTAL          0x30
#define EXT_VERT_DISPLAY        0x31
#define EXT_VERT_SYNC_START     0x32
#define EXT_VERT_BLANK_START    0x33
#define EXT_HORIZ_TOTAL         0x35
#define EXT_HORIZ_BLANK         0x39
#define EXT_START_ADDR          0x40
#define EXT_START_ADDR_ENABLE   0x80
#define EXT_OFFSET              0x41
#define EXT_START_ADDR_HI       0x42
#define INTERLACE_CNTL          0x70
#define INTERLACE_ENABLE        0x80
#define INTERLACE_DISABLE       0x00

/* Miscellaneous Output Register */
#define MSR_R           0x3CC
#define MSR_W           0x3C2
#define IO_ADDR_SELECT  0x01

#define MDA_BASE        0x3B0
#define CGA_BASE        0x3D0

/* System Configuration Extension Registers (XRX) */
#define IO_CTNL         0x09
#define EXTENDED_ATTR_CNTL      0x02
#define EXTENDED_CRTC_CNTL      0x01

#define ADDRESS_MAPPING 0x0A
#define PACKED_MODE_ENABLE      0x04
#define LINEAR_MODE_ENABLE      0x02
#define PAGE_MAPPING_ENABLE     0x01

#define BITBLT_CNTL     0x20
#define COLEXP_MODE             0x30
#define COLEXP_8BPP             0x00
#define COLEXP_16BPP            0x10
#define COLEXP_24BPP            0x20
#define COLEXP_RESERVED         0x30
#define CHIP_RESET              0x02
#define BITBLT_STATUS           0x01

#define DISPLAY_CNTL    0x40
#define VGA_WRAP_MODE           0x02
#define VGA_WRAP_AT_256KB       0x00
#define VGA_NO_WRAP             0x02
#define GUI_MODE                0x01
#define STANDARD_VGA_MODE       0x00
#define HIRES_MODE              0x01

#define DRAM_ROW_TYPE   0x50
#define DRAM_ROW_0              0x07
#define DRAM_ROW_0_SDRAM        0x00
#define DRAM_ROW_0_EMPTY        0x07
#define DRAM_ROW_1              0x38
#define DRAM_ROW_1_SDRAM        0x00
#define DRAM_ROW_1_EMPTY        0x38
#define DRAM_ROW_CNTL_LO 0x51
#define DRAM_CAS_LATENCY        0x10
#define DRAM_RAS_TIMING         0x08
#define DRAM_RAS_PRECHARGE      0x04
#define DRAM_ROW_CNTL_HI 0x52
#define DRAM_EXT_CNTL   0x53
#define DRAM_REFRESH_RATE       0x03
#define DRAM_REFRESH_DISABLE    0x00
#define DRAM_REFRESH_60HZ       0x01
#define DRAM_REFRESH_FAST_TEST  0x02
#define DRAM_REFRESH_RESERVED   0x03
#define DRAM_TIMING     0x54
#define DRAM_ROW_BNDRY_0 0x55
#define DRAM_ROW_BNDRY_1 0x56

#define DPMS_SYNC_SELECT 0x61
#define VSYNC_CNTL              0x08
#define VSYNC_ON                0x00
#define VSYNC_OFF               0x08
#define HSYNC_CNTL              0x02
#define HSYNC_ON                0x00
#define HSYNC_OFF               0x02

#define PIXPIPE_CONFIG_0 0x80
#define DAC_8_BIT               0x80
#define DAC_6_BIT               0x00
#define HW_CURSOR_ENABLE        0x10
#define EXTENDED_PALETTE        0x01

#define PIXPIPE_CONFIG_1 0x81
#define DISPLAY_COLOR_MODE      0x0F
#define DISPLAY_VGA_MODE        0x00
#define DISPLAY_8BPP_MODE       0x02
#define DISPLAY_15BPP_MODE      0x04
#define DISPLAY_16BPP_MODE      0x05
#define DISPLAY_24BPP_MODE      0x06
#define DISPLAY_32BPP_MODE      0x07

#define PIXPIPE_CONFIG_2 0x82
#define DISPLAY_GAMMA_ENABLE    0x08
#define DISPLAY_GAMMA_DISABLE   0x00
#define OVERLAY_GAMMA_ENABLE    0x04
#define OVERLAY_GAMMA_DISABLE   0x00

#define CURSOR_CONTROL  0xA0
#define CURSOR_ORIGIN_SCREEN    0x00
#define CURSOR_ORIGIN_DISPLAY   0x10
#define CURSOR_MODE             0x07
#define CURSOR_MODE_DISABLE     0x00
#define CURSOR_MODE_32_4C_AX    0x01
#define CURSOR_MODE_128_2C      0x02
#define CURSOR_MODE_128_1C      0x03
#define CURSOR_MODE_64_3C       0x04
#define CURSOR_MODE_64_4C_AX    0x05
#define CURSOR_MODE_64_4C       0x06
#define CURSOR_MODE_RESERVED    0x07
#define CURSOR_BASEADDR_LO 0xA2
#define CURSOR_BASEADDR_HI 0xA3
#define CURSOR_X_LO     0xA4
#define CURSOR_X_HI     0xA5
#define CURSOR_X_POS            0x00
#define CURSOR_X_NEG            0x80
#define CURSOR_Y_LO     0xA6
#define CURSOR_Y_HI     0xA7
#define CURSOR_Y_POS            0x00
#define CURSOR_Y_NEG            0x80

#define VCLK2_VCO_M     0xC8
#define VCLK2_VCO_N     0xC9
#define VCLK2_VCO_MN_MSBS 0xCA
#define VCO_N_MSBS              0x30
#define VCO_M_MSBS              0x03
#define VCLK2_VCO_DIV_SEL 0xCB
#define POST_DIV_SELECT         0x70
#define POST_DIV_1              0x00
#define POST_DIV_2              0x10
#define POST_DIV_4              0x20
#define POST_DIV_8              0x30
#define POST_DIV_16             0x40
#define POST_DIV_32             0x50
#define VCO_LOOP_DIV_BY_4M      0x00
#define VCO_LOOP_DIV_BY_16M     0x04
#define REF_CLK_DIV_BY_5        0x02
#define REF_DIV_4               0x00
#define REF_DIV_1               0x01

#define PLL_CNTL        0xCE
#define PLL_MEMCLK_SEL          0x03
#define PLL_MEMCLK__66667KHZ    0x00
#define PLL_MEMCLK__75000KHZ    0x01
#define PLL_MEMCLK__88889KHZ    0x02
#define PLL_MEMCLK_100000KHZ    0x03

/* Multimedia Extension Registers (MRX) */
#define ACQ_CNTL_1      0x02
#define ACQ_CNTL_2      0x03
#define FRAME_CAP_MODE          0x01
#define CONT_CAP_MODE           0x00
#define SINGLE_CAP_MODE         0x01
#define ACQ_CNTL_3      0x04
#define COL_KEY_CNTL_1          0x3C
#define BLANK_DISP_OVERLAY      0x20

/* FIFOs */
#define LP_FIFO         0x1000
#define HP_FIFO         0x2000
#define INSTPNT         0x3040
#define LP_FIFO_COUNT   0x3040
#define HP_FIFO_COUNT   0x3041

/* FIFO Commands */
#define CLIENT          0xE0000000
#define CLIENT_2D       0x60000000

/* Command Parser Mode Register */
#define COMPARS         0x3038
#define TWO_D_INST_DISABLE              0x08
#define THREE_D_INST_DISABLE            0x04
#define STATE_VAR_UPDATE_DISABLE        0x02
#define PAL_STIP_DISABLE                0x01

/* Interrupt Control Registers */
#define IER             0x3030
#define IIR             0x3032
#define IMR             0x3034
#define ISR             0x3036
#define VMIINTB_EVENT           0x2000
#define GPIO4_INT               0x1000
#define DISP_FLIP_EVENT         0x0800
#define DVD_PORT_DMA            0x0400
#define DISP_VBLANK             0x0200
#define FIFO_EMPTY_DMA_DONE     0x0100
#define INST_PARSER_ERROR       0x0080
#define USER_DEFINED            0x0040
#define BREAKPOINT              0x0020
#define DISP_HORIZ_COUNT        0x0010
#define DISP_VSYNC              0x0008
#define CAPTURE_HORIZ_COUNT     0x0004
#define CAPTURE_VSYNC           0x0002
#define THREE_D_PIPE_FLUSHED    0x0001

/* FIFO Watermark and Burst Length Control Register */
#define FWATER_BLC      0x00006000
#define LMI_BURST_LENGTH        0x7F000000
#define LMI_FIFO_WATERMARK      0x003F0000
#define AGP_BURST_LENGTH        0x00007F00
#define AGP_FIFO_WATERMARK      0x0000003F

/* BitBLT Registers */
#define SRC_DST_PITCH   0x00040000
#define DST_PITCH               0x1FFF0000
#define SRC_PITCH               0x00001FFF
#define COLEXP_BG_COLOR 0x00040004
#define COLEXP_FG_COLOR 0x00040008
#define MONO_SRC_CNTL   0x0004000C
#define MONO_USE_COLEXP         0x00000000
#define MONO_USE_SRCEXP         0x08000000
#define MONO_DATA_ALIGN         0x07000000
#define MONO_BIT_ALIGN          0x01000000
#define MONO_BYTE_ALIGN         0x02000000
#define MONO_WORD_ALIGN         0x03000000
#define MONO_DWORD_ALIGN        0x04000000
#define MONO_QWORD_ALIGN        0x05000000
#define MONO_SRC_INIT_DSCRD     0x003F0000
#define MONO_SRC_RIGHT_CLIP     0x00003F00
#define MONO_SRC_LEFT_CLIP      0x0000003F
#define BITBLT_CONTROL  0x00040010
#define BLTR_STATUS             0x80000000
#define DYN_DEPTH               0x03000000
#define DYN_DEPTH_8BPP          0x00000000
#define DYN_DEPTH_16BPP         0x01000000
#define DYN_DEPTH_24BPP         0x02000000
#define DYN_DEPTH_32BPP         0x03000000      /* Unimplemented on the i740 */
#define DYN_DEPTH_ENABLE        0x00800000
#define PAT_VERT_ALIGN          0x00700000
#define SOLID_PAT_SELECT        0x00080000
#define PAT_IS_IN_COLOR         0x00000000
#define PAT_IS_MONO             0x00040000
#define MONO_PAT_TRANSP         0x00020000
#define COLOR_TRANSP_ROP        0x00000000
#define COLOR_TRANSP_DST        0x00008000
#define COLOR_TRANSP_EQ         0x00000000
#define COLOR_TRANSP_NOT_EQ     0x00010000
#define COLOR_TRANSP_ENABLE     0x00004000
#define MONO_SRC_TRANSP         0x00002000
#define SRC_IS_IN_COLOR         0x00000000
#define SRC_IS_MONO             0x00001000
#define SRC_USE_SRC_ADDR        0x00000000
#define SRC_USE_BLTDATA         0x00000400
#define BLT_TOP_TO_BOT          0x00000000
#define BLT_BOT_TO_TOP          0x00000200
#define BLT_LEFT_TO_RIGHT       0x00000000
#define BLT_RIGHT_TO_LEFT       0x00000100
#define BLT_ROP                 0x000000FF
#define BLT_PAT_ADDR    0x00040014
#define BLT_SRC_ADDR    0x00040018
#define BLT_DST_ADDR    0x0004001C
#define BLT_DST_H_W     0x00040020
#define BLT_DST_HEIGHT          0x1FFF0000
#define BLT_DST_WIDTH           0x00001FFF
#define SRCEXP_BG_COLOR 0x00040024
#define SRCEXP_FG_COLOR 0x00040028
#define BLTDATA         0x00050000