Merge tag 'io_uring-5.11-2021-01-16' of git://git.kernel.dk/linux-block

[linux/fpc-iii.git] / drivers / gpu / drm / mgag200 / mgag200_reg.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * MGA Millennium (MGA2064W) functions
 * MGA Mystique (MGA1064SG) functions
 *
 * Copyright 1996 The XFree86 Project, Inc.
 *
 * Authors
 *              Dirk Hohndel
 *                      hohndel@XFree86.Org
 *              David Dawes
 *                      dawes@XFree86.Org
 * Contributors:
 *              Guy DESBIEF, Aix-en-provence, France
 *                      g.desbief@aix.pacwan.net
 *              MGA1064SG Mystique register file
 */

#ifndef _MGA_REG_H_
#define _MGA_REG_H_

#include <linux/bits.h>

#define MGAREG_DWGCTL           0x1c00
#define MGAREG_MACCESS          0x1c04
/* the following is a mystique only register */
#define MGAREG_MCTLWTST         0x1c08
#define MGAREG_ZORG             0x1c0c

#define MGAREG_PAT0             0x1c10
#define MGAREG_PAT1             0x1c14
#define MGAREG_PLNWT            0x1c1c

#define MGAREG_BCOL             0x1c20
#define MGAREG_FCOL             0x1c24

#define MGAREG_SRC0             0x1c30
#define MGAREG_SRC1             0x1c34
#define MGAREG_SRC2             0x1c38
#define MGAREG_SRC3             0x1c3c

#define MGAREG_XYSTRT           0x1c40
#define MGAREG_XYEND            0x1c44

#define MGAREG_SHIFT            0x1c50
/* the following is a mystique only register */
#define MGAREG_DMAPAD           0x1c54
#define MGAREG_SGN              0x1c58
#define MGAREG_LEN              0x1c5c

#define MGAREG_AR0              0x1c60
#define MGAREG_AR1              0x1c64
#define MGAREG_AR2              0x1c68
#define MGAREG_AR3              0x1c6c
#define MGAREG_AR4              0x1c70
#define MGAREG_AR5              0x1c74
#define MGAREG_AR6              0x1c78

#define MGAREG_CXBNDRY          0x1c80
#define MGAREG_FXBNDRY          0x1c84
#define MGAREG_YDSTLEN          0x1c88
#define MGAREG_PITCH            0x1c8c

#define MGAREG_YDST             0x1c90
#define MGAREG_YDSTORG          0x1c94
#define MGAREG_YTOP             0x1c98
#define MGAREG_YBOT             0x1c9c

#define MGAREG_CXLEFT           0x1ca0
#define MGAREG_CXRIGHT          0x1ca4
#define MGAREG_FXLEFT           0x1ca8
#define MGAREG_FXRIGHT          0x1cac

#define MGAREG_XDST             0x1cb0

#define MGAREG_DR0              0x1cc0
#define MGAREG_DR1              0x1cc4
#define MGAREG_DR2              0x1cc8
#define MGAREG_DR3              0x1ccc

#define MGAREG_DR4              0x1cd0
#define MGAREG_DR5              0x1cd4
#define MGAREG_DR6              0x1cd8
#define MGAREG_DR7              0x1cdc

#define MGAREG_DR8              0x1ce0
#define MGAREG_DR9              0x1ce4
#define MGAREG_DR10             0x1ce8
#define MGAREG_DR11             0x1cec

#define MGAREG_DR12             0x1cf0
#define MGAREG_DR13             0x1cf4
#define MGAREG_DR14             0x1cf8
#define MGAREG_DR15             0x1cfc

#define MGAREG_SRCORG           0x2cb4
#define MGAREG_DSTORG           0x2cb8

/* add or or this to one of the previous "power registers" to start
   the drawing engine */

#define MGAREG_EXEC             0x0100

#define MGAREG_FIFOSTATUS       0x1e10
#define MGAREG_Status           0x1e14
#define MGAREG_CACHEFLUSH       0x1fff
#define MGAREG_ICLEAR           0x1e18
#define MGAREG_IEN              0x1e1c

#define MGAREG_VCOUNT           0x1e20

#define MGAREG_Reset            0x1e40

#define MGAREG_OPMODE           0x1e54

/* Warp Registers */
#define MGAREG_WIADDR           0x1dc0
#define MGAREG_WIADDR2          0x1dd8
#define MGAREG_WGETMSB          0x1dc8
#define MGAREG_WVRTXSZ          0x1dcc
#define MGAREG_WACCEPTSEQ       0x1dd4
#define MGAREG_WMISC            0x1e70

#define MGAREG_MEMCTL           0x2e08

/* OPMODE register additives */

#define MGAOPM_DMA_GENERAL      (0x00 << 2)
#define MGAOPM_DMA_BLIT         (0x01 << 2)
#define MGAOPM_DMA_VECTOR       (0x10 << 2)

/* MACCESS register additives */
#define MGAMAC_PW8               0x00
#define MGAMAC_PW16              0x01
#define MGAMAC_PW24              0x03 /* not a typo */
#define MGAMAC_PW32              0x02 /* not a typo */
#define MGAMAC_BYPASS332         0x10000000
#define MGAMAC_NODITHER          0x40000000
#define MGAMAC_DIT555            0x80000000

/* DWGCTL register additives */

/* Lines */

#define MGADWG_LINE_OPEN        0x00
#define MGADWG_AUTOLINE_OPEN    0x01
#define MGADWG_LINE_CLOSE       0x02
#define MGADWG_AUTOLINE_CLOSE   0x03

/* Trapezoids */
#define MGADWG_TRAP             0x04
#define MGADWG_TEXTURE_TRAP     0x06

/* BitBlts */

#define MGADWG_BITBLT           0x08
#define MGADWG_FBITBLT          0x0c
#define MGADWG_ILOAD            0x09
#define MGADWG_ILOAD_SCALE      0x0d
#define MGADWG_ILOAD_FILTER     0x0f
#define MGADWG_ILOAD_HIQH       0x07
#define MGADWG_ILOAD_HIQHV      0x0e
#define MGADWG_IDUMP            0x0a

/* atype access to WRAM */

#define MGADWG_RPL              ( 0x00 << 4 )
#define MGADWG_RSTR             ( 0x01 << 4 )
#define MGADWG_ZI               ( 0x03 << 4 )
#define MGADWG_BLK              ( 0x04 << 4 )
#define MGADWG_I                ( 0x07 << 4 )

/* specifies whether bit blits are linear or xy */
#define MGADWG_LINEAR           ( 0x01 << 7 )

/* z drawing mode. use MGADWG_NOZCMP for always */

#define MGADWG_NOZCMP           ( 0x00 << 8 )
#define MGADWG_ZE               ( 0x02 << 8 )
#define MGADWG_ZNE              ( 0x03 << 8 )
#define MGADWG_ZLT              ( 0x04 << 8 )
#define MGADWG_ZLTE             ( 0x05 << 8 )
#define MGADWG_GT               ( 0x06 << 8 )
#define MGADWG_GTE              ( 0x07 << 8 )

/* use this to force colour expansion circuitry to do its stuff */

#define MGADWG_SOLID            ( 0x01 << 11 )

/* ar register at zero */

#define MGADWG_ARZERO           ( 0x01 << 12 )

#define MGADWG_SGNZERO          ( 0x01 << 13 )

#define MGADWG_SHIFTZERO        ( 0x01 << 14 )

/* See table on 4-43 for bop ALU operations */

/* See table on 4-44 for translucidity masks */

#define MGADWG_BMONOLEF         ( 0x00 << 25 )
#define MGADWG_BMONOWF          ( 0x04 << 25 )
#define MGADWG_BPLAN            ( 0x01 << 25 )

/* note that if bfcol is specified and you're doing a bitblt, it causes
   a fbitblt to be performed, so check that you obey the fbitblt rules */

#define MGADWG_BFCOL            ( 0x02 << 25 )
#define MGADWG_BUYUV            ( 0x0e << 25 )
#define MGADWG_BU32BGR          ( 0x03 << 25 )
#define MGADWG_BU32RGB          ( 0x07 << 25 )
#define MGADWG_BU24BGR          ( 0x0b << 25 )
#define MGADWG_BU24RGB          ( 0x0f << 25 )

#define MGADWG_PATTERN          ( 0x01 << 29 )
#define MGADWG_TRANSC           ( 0x01 << 30 )
#define MGAREG_MISC_WRITE       0x3c2
#define MGAREG_MISC_READ        0x3cc
#define MGAREG_MEM_MISC_WRITE       0x1fc2
#define MGAREG_MEM_MISC_READ        0x1fcc

#define MGAREG_MISC_IOADSEL     (0x1 << 0)
#define MGAREG_MISC_RAMMAPEN    (0x1 << 1)
#define MGAREG_MISC_CLK_SEL_MASK        GENMASK(3, 2)
#define MGAREG_MISC_CLK_SEL_VGA25       (0x0 << 2)
#define MGAREG_MISC_CLK_SEL_VGA28       (0x1 << 2)
#define MGAREG_MISC_CLK_SEL_MGA_PIX     (0x2 << 2)
#define MGAREG_MISC_CLK_SEL_MGA_MSK     (0x3 << 2)
#define MGAREG_MISC_VIDEO_DIS   (0x1 << 4)
#define MGAREG_MISC_HIGH_PG_SEL (0x1 << 5)
#define MGAREG_MISC_HSYNCPOL            BIT(6)
#define MGAREG_MISC_VSYNCPOL            BIT(7)

/* MMIO VGA registers */
#define MGAREG_SEQ_INDEX        0x1fc4
#define MGAREG_SEQ_DATA         0x1fc5

#define MGAREG_SEQ0_ASYNCRST    BIT(0)
#define MGAREG_SEQ0_SYNCRST     BIT(1)

#define MGAREG_SEQ1_SCROFF      BIT(5)

#define MGAREG_CRTC_INDEX       0x1fd4
#define MGAREG_CRTC_DATA        0x1fd5

#define MGAREG_CRTC11_VINTCLR           BIT(4)
#define MGAREG_CRTC11_VINTEN            BIT(5)
#define MGAREG_CRTC11_CRTCPROTECT       BIT(7)

#define MGAREG_CRTCEXT_INDEX    0x1fde
#define MGAREG_CRTCEXT_DATA     0x1fdf

#define MGAREG_CRTCEXT0_OFFSET_MASK     GENMASK(5, 4)

#define MGAREG_CRTCEXT1_VSYNCOFF        BIT(5)
#define MGAREG_CRTCEXT1_HSYNCOFF        BIT(4)

#define MGAREG_CRTCEXT3_MGAMODE         BIT(7)

/* Cursor X and Y position */
#define MGA_CURPOSXL 0x3c0c
#define MGA_CURPOSXH 0x3c0d
#define MGA_CURPOSYL 0x3c0e
#define MGA_CURPOSYH 0x3c0f

/* MGA bits for registers PCI_OPTION_REG */
#define MGA1064_OPT_SYS_CLK_PCI                 ( 0x00 << 0 )
#define MGA1064_OPT_SYS_CLK_PLL                 ( 0x01 << 0 )
#define MGA1064_OPT_SYS_CLK_EXT                 ( 0x02 << 0 )
#define MGA1064_OPT_SYS_CLK_MSK                 ( 0x03 << 0 )

#define MGA1064_OPT_SYS_CLK_DIS                 ( 0x01 << 2 )
#define MGA1064_OPT_G_CLK_DIV_1                 ( 0x01 << 3 )
#define MGA1064_OPT_M_CLK_DIV_1                 ( 0x01 << 4 )

#define MGA1064_OPT_SYS_PLL_PDN                 ( 0x01 << 5 )
#define MGA1064_OPT_VGA_ION             ( 0x01 << 8 )

/* MGA registers in PCI config space */
#define PCI_MGA_INDEX           0x44
#define PCI_MGA_DATA            0x48
#define PCI_MGA_OPTION          0x40
#define PCI_MGA_OPTION2         0x50
#define PCI_MGA_OPTION3         0x54

#define PCI_MGA_OPTION_HARDPWMSK        BIT(14)

#define RAMDAC_OFFSET           0x3c00

/* TVP3026 direct registers */

#define TVP3026_INDEX           0x00
#define TVP3026_WADR_PAL        0x00
#define TVP3026_COL_PAL         0x01
#define TVP3026_PIX_RD_MSK      0x02
#define TVP3026_RADR_PAL        0x03
#define TVP3026_CUR_COL_ADDR    0x04
#define TVP3026_CUR_COL_DATA    0x05
#define TVP3026_DATA            0x0a
#define TVP3026_CUR_RAM         0x0b
#define TVP3026_CUR_XLOW        0x0c
#define TVP3026_CUR_XHI         0x0d
#define TVP3026_CUR_YLOW        0x0e
#define TVP3026_CUR_YHI         0x0f

/* TVP3026 indirect registers */

#define TVP3026_SILICON_REV     0x01
#define TVP3026_CURSOR_CTL      0x06
#define TVP3026_LATCH_CTL       0x0f
#define TVP3026_TRUE_COLOR_CTL  0x18
#define TVP3026_MUX_CTL         0x19
#define TVP3026_CLK_SEL         0x1a
#define TVP3026_PAL_PAGE        0x1c
#define TVP3026_GEN_CTL         0x1d
#define TVP3026_MISC_CTL        0x1e
#define TVP3026_GEN_IO_CTL      0x2a
#define TVP3026_GEN_IO_DATA     0x2b
#define TVP3026_PLL_ADDR        0x2c
#define TVP3026_PIX_CLK_DATA    0x2d
#define TVP3026_MEM_CLK_DATA    0x2e
#define TVP3026_LOAD_CLK_DATA   0x2f
#define TVP3026_KEY_RED_LOW     0x32
#define TVP3026_KEY_RED_HI      0x33
#define TVP3026_KEY_GREEN_LOW   0x34
#define TVP3026_KEY_GREEN_HI    0x35
#define TVP3026_KEY_BLUE_LOW    0x36
#define TVP3026_KEY_BLUE_HI     0x37
#define TVP3026_KEY_CTL         0x38
#define TVP3026_MCLK_CTL        0x39
#define TVP3026_SENSE_TEST      0x3a
#define TVP3026_TEST_DATA       0x3b
#define TVP3026_CRC_LSB         0x3c
#define TVP3026_CRC_MSB         0x3d
#define TVP3026_CRC_CTL         0x3e
#define TVP3026_ID              0x3f
#define TVP3026_RESET           0xff


/* MGA1064 DAC Register file */
/* MGA1064 direct registers */

#define MGA1064_INDEX           0x00
#define MGA1064_WADR_PAL        0x00
#define MGA1064_SPAREREG        0x00
#define MGA1064_COL_PAL         0x01
#define MGA1064_PIX_RD_MSK      0x02
#define MGA1064_RADR_PAL        0x03
#define MGA1064_DATA            0x0a

#define MGA1064_CUR_XLOW        0x0c
#define MGA1064_CUR_XHI         0x0d
#define MGA1064_CUR_YLOW        0x0e
#define MGA1064_CUR_YHI         0x0f

/* MGA1064 indirect registers */
#define MGA1064_DVI_PIPE_CTL    0x03
#define MGA1064_CURSOR_BASE_ADR_LOW     0x04
#define MGA1064_CURSOR_BASE_ADR_HI      0x05
#define MGA1064_CURSOR_CTL      0x06
#define MGA1064_CURSOR_COL0_RED 0x08
#define MGA1064_CURSOR_COL0_GREEN       0x09
#define MGA1064_CURSOR_COL0_BLUE        0x0a

#define MGA1064_CURSOR_COL1_RED 0x0c
#define MGA1064_CURSOR_COL1_GREEN       0x0d
#define MGA1064_CURSOR_COL1_BLUE        0x0e

#define MGA1064_CURSOR_COL2_RED 0x010
#define MGA1064_CURSOR_COL2_GREEN       0x011
#define MGA1064_CURSOR_COL2_BLUE        0x012

#define MGA1064_VREF_CTL        0x018

#define MGA1064_MUL_CTL         0x19
#define MGA1064_MUL_CTL_8bits           0x0
#define MGA1064_MUL_CTL_15bits          0x01
#define MGA1064_MUL_CTL_16bits          0x02
#define MGA1064_MUL_CTL_24bits          0x03
#define MGA1064_MUL_CTL_32bits          0x04
#define MGA1064_MUL_CTL_2G8V16bits              0x05
#define MGA1064_MUL_CTL_G16V16bits              0x06
#define MGA1064_MUL_CTL_32_24bits               0x07

#define MGA1064_PIX_CLK_CTL             0x1a
#define MGA1064_PIX_CLK_CTL_CLK_DIS             ( 0x01 << 2 )
#define MGA1064_PIX_CLK_CTL_CLK_POW_DOWN        ( 0x01 << 3 )
#define MGA1064_PIX_CLK_CTL_SEL_PCI             ( 0x00 << 0 )
#define MGA1064_PIX_CLK_CTL_SEL_PLL             ( 0x01 << 0 )
#define MGA1064_PIX_CLK_CTL_SEL_EXT             ( 0x02 << 0 )
#define MGA1064_PIX_CLK_CTL_SEL_MSK             ( 0x03 << 0 )

#define MGA1064_GEN_CTL         0x1d
#define MGA1064_GEN_CTL_SYNC_ON_GREEN_DIS      (0x01 << 5)
#define MGA1064_MISC_CTL        0x1e
#define MGA1064_MISC_CTL_DAC_EN                ( 0x01 << 0 )
#define MGA1064_MISC_CTL_VGA            ( 0x01 << 1 )
#define MGA1064_MISC_CTL_DIS_CON                ( 0x03 << 1 )
#define MGA1064_MISC_CTL_MAFC                   ( 0x02 << 1 )
#define MGA1064_MISC_CTL_VGA8                   ( 0x01 << 3 )
#define MGA1064_MISC_CTL_DAC_RAM_CS             ( 0x01 << 4 )

#define MGA1064_GEN_IO_CTL2     0x29
#define MGA1064_GEN_IO_CTL      0x2a
#define MGA1064_GEN_IO_DATA     0x2b
#define MGA1064_SYS_PLL_M       0x2c
#define MGA1064_SYS_PLL_N       0x2d
#define MGA1064_SYS_PLL_P       0x2e
#define MGA1064_SYS_PLL_STAT    0x2f

#define MGA1064_REMHEADCTL     0x30
#define MGA1064_REMHEADCTL_CLKDIS ( 0x01 << 0 )
#define MGA1064_REMHEADCTL_CLKSL_OFF ( 0x00 << 1 )
#define MGA1064_REMHEADCTL_CLKSL_PLL ( 0x01 << 1 )
#define MGA1064_REMHEADCTL_CLKSL_PCI ( 0x02 << 1 )
#define MGA1064_REMHEADCTL_CLKSL_MSK ( 0x03 << 1 )

#define MGA1064_REMHEADCTL2     0x31

#define MGA1064_ZOOM_CTL        0x38
#define MGA1064_SENSE_TST       0x3a

#define MGA1064_CRC_LSB         0x3c
#define MGA1064_CRC_MSB         0x3d
#define MGA1064_CRC_CTL         0x3e
#define MGA1064_COL_KEY_MSK_LSB         0x40
#define MGA1064_COL_KEY_MSK_MSB         0x41
#define MGA1064_COL_KEY_LSB             0x42
#define MGA1064_COL_KEY_MSB             0x43
#define MGA1064_PIX_PLLA_M      0x44
#define MGA1064_PIX_PLLA_N      0x45
#define MGA1064_PIX_PLLA_P      0x46
#define MGA1064_PIX_PLLB_M      0x48
#define MGA1064_PIX_PLLB_N      0x49
#define MGA1064_PIX_PLLB_P      0x4a
#define MGA1064_PIX_PLLC_M      0x4c
#define MGA1064_PIX_PLLC_N      0x4d
#define MGA1064_PIX_PLLC_P      0x4e

#define MGA1064_PIX_PLL_STAT    0x4f

/*Added for G450 dual head*/

#define MGA1064_VID_PLL_STAT    0x8c
#define MGA1064_VID_PLL_P       0x8D
#define MGA1064_VID_PLL_M       0x8E
#define MGA1064_VID_PLL_N       0x8F

/* Modified PLL for G200 Winbond (G200WB) */
#define MGA1064_WB_PIX_PLLC_M   0xb7
#define MGA1064_WB_PIX_PLLC_N   0xb6
#define MGA1064_WB_PIX_PLLC_P   0xb8

/* Modified PLL for G200 Maxim (G200EV) */
#define MGA1064_EV_PIX_PLLC_M   0xb6
#define MGA1064_EV_PIX_PLLC_N   0xb7
#define MGA1064_EV_PIX_PLLC_P   0xb8

/* Modified PLL for G200 EH */
#define MGA1064_EH_PIX_PLLC_M   0xb6
#define MGA1064_EH_PIX_PLLC_N   0xb7
#define MGA1064_EH_PIX_PLLC_P   0xb8

/* Modified PLL for G200 Maxim (G200ER) */
#define MGA1064_ER_PIX_PLLC_M   0xb7
#define MGA1064_ER_PIX_PLLC_N   0xb6
#define MGA1064_ER_PIX_PLLC_P   0xb8

#define MGA1064_DISP_CTL        0x8a
#define MGA1064_DISP_CTL_DAC1OUTSEL_MASK       0x01
#define MGA1064_DISP_CTL_DAC1OUTSEL_DIS        0x00
#define MGA1064_DISP_CTL_DAC1OUTSEL_EN         0x01
#define MGA1064_DISP_CTL_DAC2OUTSEL_MASK       (0x03 << 2)
#define MGA1064_DISP_CTL_DAC2OUTSEL_DIS        0x00
#define MGA1064_DISP_CTL_DAC2OUTSEL_CRTC1      (0x01 << 2)
#define MGA1064_DISP_CTL_DAC2OUTSEL_CRTC2      (0x02 << 2)
#define MGA1064_DISP_CTL_DAC2OUTSEL_TVE        (0x03 << 2)
#define MGA1064_DISP_CTL_PANOUTSEL_MASK        (0x03 << 5)
#define MGA1064_DISP_CTL_PANOUTSEL_DIS         0x00
#define MGA1064_DISP_CTL_PANOUTSEL_CRTC1       (0x01 << 5)
#define MGA1064_DISP_CTL_PANOUTSEL_CRTC2RGB    (0x02 << 5)
#define MGA1064_DISP_CTL_PANOUTSEL_CRTC2656    (0x03 << 5)

#define MGA1064_SYNC_CTL        0x8b

#define MGA1064_PWR_CTL         0xa0
#define MGA1064_PWR_CTL_DAC2_EN                (0x01 << 0)
#define MGA1064_PWR_CTL_VID_PLL_EN             (0x01 << 1)
#define MGA1064_PWR_CTL_PANEL_EN               (0x01 << 2)
#define MGA1064_PWR_CTL_RFIFO_EN               (0x01 << 3)
#define MGA1064_PWR_CTL_CFIFO_EN               (0x01 << 4)

#define MGA1064_PAN_CTL         0xa2

/* Using crtc2 */
#define MGAREG2_C2CTL            0x10
#define MGAREG2_C2HPARAM         0x14
#define MGAREG2_C2HSYNC          0x18
#define MGAREG2_C2VPARAM         0x1c
#define MGAREG2_C2VSYNC          0x20
#define MGAREG2_C2STARTADD0      0x28

#define MGAREG2_C2OFFSET         0x40
#define MGAREG2_C2DATACTL        0x4c

#define MGAREG_C2CTL            0x3c10
#define MGAREG_C2CTL_C2_EN                     0x01

#define MGAREG_C2_HIPRILVL_M                   (0x07 << 4)
#define MGAREG_C2_MAXHIPRI_M                   (0x07 << 8)

#define MGAREG_C2CTL_PIXCLKSEL_MASK            (0x03 << 1)
#define MGAREG_C2CTL_PIXCLKSELH_MASK           (0x01 << 14)
#define MGAREG_C2CTL_PIXCLKSEL_PCICLK          0x00
#define MGAREG_C2CTL_PIXCLKSEL_VDOCLK          (0x01 << 1)
#define MGAREG_C2CTL_PIXCLKSEL_PIXELPLL        (0x02 << 1)
#define MGAREG_C2CTL_PIXCLKSEL_VIDEOPLL        (0x03 << 1)
#define MGAREG_C2CTL_PIXCLKSEL_VDCLK           (0x01 << 14)

#define MGAREG_C2CTL_PIXCLKSEL_CRISTAL         (0x01 << 1) | (0x01 << 14)
#define MGAREG_C2CTL_PIXCLKSEL_SYSTEMPLL       (0x02 << 1) | (0x01 << 14)

#define MGAREG_C2CTL_PIXCLKDIS_MASK            (0x01 << 3)
#define MGAREG_C2CTL_PIXCLKDIS_DISABLE         (0x01 << 3)

#define MGAREG_C2CTL_CRTCDACSEL_MASK           (0x01 << 20)
#define MGAREG_C2CTL_CRTCDACSEL_CRTC1          0x00
#define MGAREG_C2CTL_CRTCDACSEL_CRTC2          (0x01 << 20)

#define MGAREG_C2HPARAM         0x3c14
#define MGAREG_C2HSYNC          0x3c18
#define MGAREG_C2VPARAM         0x3c1c
#define MGAREG_C2VSYNC          0x3c20
#define MGAREG_C2STARTADD0      0x3c28

#define MGAREG_C2OFFSET         0x3c40
#define MGAREG_C2DATACTL        0x3c4c

/* video register */

#define MGAREG_BESA1C3ORG       0x3d60
#define MGAREG_BESA1CORG        0x3d10
#define MGAREG_BESA1ORG         0x3d00
#define MGAREG_BESCTL           0x3d20
#define MGAREG_BESGLOBCTL       0x3dc0
#define MGAREG_BESHCOORD        0x3d28
#define MGAREG_BESHISCAL        0x3d30
#define MGAREG_BESHSRCEND       0x3d3c
#define MGAREG_BESHSRCLST       0x3d50
#define MGAREG_BESHSRCST        0x3d38
#define MGAREG_BESLUMACTL       0x3d40
#define MGAREG_BESPITCH         0x3d24
#define MGAREG_BESV1SRCLST      0x3d54
#define MGAREG_BESV1WGHT        0x3d48
#define MGAREG_BESVCOORD        0x3d2c
#define MGAREG_BESVISCAL        0x3d34

/* texture engine registers */

#define MGAREG_TMR0             0x2c00
#define MGAREG_TMR1             0x2c04
#define MGAREG_TMR2             0x2c08
#define MGAREG_TMR3             0x2c0c
#define MGAREG_TMR4             0x2c10
#define MGAREG_TMR5             0x2c14
#define MGAREG_TMR6             0x2c18
#define MGAREG_TMR7             0x2c1c
#define MGAREG_TMR8             0x2c20
#define MGAREG_TEXORG           0x2c24
#define MGAREG_TEXWIDTH         0x2c28
#define MGAREG_TEXHEIGHT        0x2c2c
#define MGAREG_TEXCTL           0x2c30
#    define MGA_TW4                             (0x00000000)
#    define MGA_TW8                             (0x00000001)
#    define MGA_TW15                            (0x00000002)
#    define MGA_TW16                            (0x00000003)
#    define MGA_TW12                            (0x00000004)
#    define MGA_TW32                            (0x00000006)
#    define MGA_TW8A                            (0x00000007)
#    define MGA_TW8AL                           (0x00000008)
#    define MGA_TW422                           (0x0000000A)
#    define MGA_TW422UYVY                       (0x0000000B)
#    define MGA_PITCHLIN                        (0x00000100)
#    define MGA_NOPERSPECTIVE                   (0x00200000)
#    define MGA_TAKEY                           (0x02000000)
#    define MGA_TAMASK                          (0x04000000)
#    define MGA_CLAMPUV                         (0x18000000)
#    define MGA_TEXMODULATE                     (0x20000000)
#define MGAREG_TEXCTL2          0x2c3c
#    define MGA_G400_TC2_MAGIC                  (0x00008000)
#    define MGA_TC2_DECALBLEND                  (0x00000001)
#    define MGA_TC2_IDECAL                      (0x00000002)
#    define MGA_TC2_DECALDIS                    (0x00000004)
#    define MGA_TC2_CKSTRANSDIS                 (0x00000010)
#    define MGA_TC2_BORDEREN                    (0x00000020)
#    define MGA_TC2_SPECEN                      (0x00000040)
#    define MGA_TC2_DUALTEX                     (0x00000080)
#    define MGA_TC2_TABLEFOG                    (0x00000100)
#    define MGA_TC2_BUMPMAP                     (0x00000200)
#    define MGA_TC2_SELECT_TMU1                 (0x80000000)
#define MGAREG_TEXTRANS         0x2c34
#define MGAREG_TEXTRANSHIGH     0x2c38
#define MGAREG_TEXFILTER        0x2c58
#    define MGA_MIN_NRST                        (0x00000000)
#    define MGA_MIN_BILIN                       (0x00000002)
#    define MGA_MIN_ANISO                       (0x0000000D)
#    define MGA_MAG_NRST                        (0x00000000)
#    define MGA_MAG_BILIN                       (0x00000020)
#    define MGA_FILTERALPHA                     (0x00100000)
#define MGAREG_ALPHASTART       0x2c70
#define MGAREG_ALPHAXINC        0x2c74
#define MGAREG_ALPHAYINC        0x2c78
#define MGAREG_ALPHACTRL        0x2c7c
#    define MGA_SRC_ZERO                        (0x00000000)
#    define MGA_SRC_ONE                         (0x00000001)
#    define MGA_SRC_DST_COLOR                   (0x00000002)
#    define MGA_SRC_ONE_MINUS_DST_COLOR         (0x00000003)
#    define MGA_SRC_ALPHA                       (0x00000004)
#    define MGA_SRC_ONE_MINUS_SRC_ALPHA         (0x00000005)
#    define MGA_SRC_DST_ALPHA                   (0x00000006)
#    define MGA_SRC_ONE_MINUS_DST_ALPHA         (0x00000007)
#    define MGA_SRC_SRC_ALPHA_SATURATE          (0x00000008)
#    define MGA_SRC_BLEND_MASK                  (0x0000000f)
#    define MGA_DST_ZERO                        (0x00000000)
#    define MGA_DST_ONE                         (0x00000010)
#    define MGA_DST_SRC_COLOR                   (0x00000020)
#    define MGA_DST_ONE_MINUS_SRC_COLOR         (0x00000030)
#    define MGA_DST_SRC_ALPHA                   (0x00000040)
#    define MGA_DST_ONE_MINUS_SRC_ALPHA         (0x00000050)
#    define MGA_DST_DST_ALPHA                   (0x00000060)
#    define MGA_DST_ONE_MINUS_DST_ALPHA         (0x00000070)
#    define MGA_DST_BLEND_MASK                  (0x00000070)
#    define MGA_ALPHACHANNEL                    (0x00000100)
#    define MGA_VIDEOALPHA                      (0x00000200)
#    define MGA_DIFFUSEDALPHA                   (0x01000000)
#    define MGA_MODULATEDALPHA                  (0x02000000)
#define MGAREG_TDUALSTAGE0                      (0x2CF8)
#define MGAREG_TDUALSTAGE1                      (0x2CFC)
#    define MGA_TDS_COLOR_ARG2_DIFFUSE          (0x00000000)
#    define MGA_TDS_COLOR_ARG2_SPECULAR         (0x00000001)
#    define MGA_TDS_COLOR_ARG2_FCOL             (0x00000002)
#    define MGA_TDS_COLOR_ARG2_PREVSTAGE        (0x00000003)
#    define MGA_TDS_COLOR_ALPHA_DIFFUSE         (0x00000000)
#    define MGA_TDS_COLOR_ALPHA_FCOL            (0x00000004)
#    define MGA_TDS_COLOR_ALPHA_CURRTEX         (0x00000008)
#    define MGA_TDS_COLOR_ALPHA_PREVTEX         (0x0000000c)
#    define MGA_TDS_COLOR_ALPHA_PREVSTAGE       (0x00000010)
#    define MGA_TDS_COLOR_ARG1_REPLICATEALPHA   (0x00000020)
#    define MGA_TDS_COLOR_ARG1_INV              (0x00000040)
#    define MGA_TDS_COLOR_ARG2_REPLICATEALPHA   (0x00000080)
#    define MGA_TDS_COLOR_ARG2_INV              (0x00000100)
#    define MGA_TDS_COLOR_ALPHA1INV             (0x00000200)
#    define MGA_TDS_COLOR_ALPHA2INV             (0x00000400)
#    define MGA_TDS_COLOR_ARG1MUL_ALPHA1        (0x00000800)
#    define MGA_TDS_COLOR_ARG2MUL_ALPHA2        (0x00001000)
#    define MGA_TDS_COLOR_ARG1ADD_MULOUT        (0x00002000)
#    define MGA_TDS_COLOR_ARG2ADD_MULOUT        (0x00004000)
#    define MGA_TDS_COLOR_MODBRIGHT_2X          (0x00008000)
#    define MGA_TDS_COLOR_MODBRIGHT_4X          (0x00010000)
#    define MGA_TDS_COLOR_ADD_SUB               (0x00000000)
#    define MGA_TDS_COLOR_ADD_ADD               (0x00020000)
#    define MGA_TDS_COLOR_ADD2X                 (0x00040000)
#    define MGA_TDS_COLOR_ADDBIAS               (0x00080000)
#    define MGA_TDS_COLOR_BLEND                 (0x00100000)
#    define MGA_TDS_COLOR_SEL_ARG1              (0x00000000)
#    define MGA_TDS_COLOR_SEL_ARG2              (0x00200000)
#    define MGA_TDS_COLOR_SEL_ADD               (0x00400000)
#    define MGA_TDS_COLOR_SEL_MUL               (0x00600000)
#    define MGA_TDS_ALPHA_ARG1_INV              (0x00800000)
#    define MGA_TDS_ALPHA_ARG2_DIFFUSE          (0x00000000)
#    define MGA_TDS_ALPHA_ARG2_FCOL             (0x01000000)
#    define MGA_TDS_ALPHA_ARG2_PREVTEX          (0x02000000)
#    define MGA_TDS_ALPHA_ARG2_PREVSTAGE        (0x03000000)
#    define MGA_TDS_ALPHA_ARG2_INV              (0x04000000)
#    define MGA_TDS_ALPHA_ADD                   (0x08000000)
#    define MGA_TDS_ALPHA_ADDBIAS               (0x10000000)
#    define MGA_TDS_ALPHA_ADD2X                 (0x20000000)
#    define MGA_TDS_ALPHA_SEL_ARG1              (0x00000000)
#    define MGA_TDS_ALPHA_SEL_ARG2              (0x40000000)
#    define MGA_TDS_ALPHA_SEL_ADD               (0x80000000)
#    define MGA_TDS_ALPHA_SEL_MUL               (0xc0000000)

#define MGAREG_DWGSYNC          0x2c4c

#define MGAREG_AGP_PLL          0x1e4c
#define MGA_AGP2XPLL_ENABLE             0x1
#define MGA_AGP2XPLL_DISABLE            0x0

#endif