#ifndef _MGA_H

#define _MGA_H

/* MGA PCI Specific Registers */

#define MGAPCI_AGP_CMD 0xf8

#define MGAPCI_AGP_IDENT 0xf0

#define MGAPCI_AGP_STS 0xf4

#define MGAPCI_FB_BASE 0x10

#define MGAPCI_CONTROL_BASE 0x14

#define MGAPCI_ILOAD_BASE 0x18

#define MGAPCI_MGA_DATA 0x48

#define MGAPCI_MGA_INDEX 0x44

#define MGAPCI_OPTION 0x40

#define MGAPCI_OPTION2 0x50

#define MGAPCI_PMCSR 0xe0

#define MGAPCI_PMIDENT 0xdc

#define MGAPCI_SUBSYSID 0x4c

#define MGAREG_FB 1

#define MGAREG_CONTROL 2

#define MGAREG_ILOAD 3

#define MGAREG_ROM 4

#define MGASIZE_FB 0x01000000

#define MGASIZE_CONTROL 0x4000

#define MGASIZE_ILOAD 0x00800000

#define MGASIZE_ROM 0x10000

/* MGA PCI AGP Command 0xf8 */

#define MGAPCI_AGPCMD_RQ_DEPTH_MASK 0x1f000000

#define MGAPCI_AGPCMD_RQ_DEPTH_SHIFT 24

#define MGAPCI_AGPCMD_SBA_ENABLE 0x00000200

#define MGAPCI_AGPCMD_AGP_ENABLE 0x00000100

#define MGAPCI_AGPCMD_DATA_RATE_MASK 0x00000007

#define MGAPCI_AGPCMD_DATA_RATE_1 0x00000001

#define MGAPCI_AGPCMD_DATA_RATE_2 0x00000002

/* MGA PCI AGP Capability Identifier 0xf0 */

#define MGAPCI_AGPIDENT_AGP_REV_MASK 0x00ff0000

#define MGAPCI_AGPIDENT_AGP_REV_SHIFT 16

#define MGAPCI_AGPIDENT_AGP_NEXT_MASK 0x0000ff00

#define MGAPCI_AGPIDENT_AGP_CAP_ID_MASK 0x000000ff

#define MGAPCI_AGPIDENT_AGP_CAP_ID 0x00000002

/* MGA PCI AGP Status 0xf4 */

#define MGAPCI_AGPSTS_RQ_MASK 0xff000000

#define MGAPCI_AGPSTS_RQ_SHIFT 24

#define MGAPCI_AGPSTS_SBA_CAP 0x00000200

#define MGAPCI_AGPSTS_RATE_CAP_MASK 0x00000003

/* MGA PCI Vendor and Device 0x00 */

#define MGAPCI_VENDOR_MATROX 0x102b

#define MGAPCI_DEVICE_MGA_G200 0x0520

#define MGAPCI_DEVICE_MGA_G200AGP 0x0521

#define MGAPCI_DEVICE_MGA_G200E 0x0522

/* MGA PCI Indirect Access Data 0x48 */

/* MGA PCI Indirect Access Index 0x44 */

#define MGAPCI_INDEX_MASK 0x00003ffc

#define MGAPCI_INDEX_SHIFT 2

/* MGA PCI Option 0x40 */

#define MGAPCI_OPTION_POWERPC 0x80000000

#define MGAPCI_OPTION_BIOSEN 0x40000000

#define MGAPCI_OPTION_NORETRY 0x20000000

#define MGAPCI_OPTION_ENHMEMACC 0x04000000

#define MGAPCI_OPTION_RFHCNT_MASK 0x001f8000

#define MGAPCI_OPTION_RFHCNT_SHIFT 15

#define MGAPCI_OPTION_HARDPWMSK 0x00004000

#define MGAPCI_OPTION_MEMCONFIG_MASK 0x00001c00

#define MGAPCI_OPTION_MEMORG_MASK 0x00001800

#define MGAPCI_OPTION_MEMORG_2_128K_32 0x00000000

#define MGAPCI_OPTION_MEMORG_2_256K_32 0x00000800

#define MGAPCI_OPTION_MEMORG_2_512K_16 0x00001000

#define MGAPCI_OPTION_MEMORG_4_128K_32 0x00001800

#define MGAPCI_OPTION_MEMBANK_MASK 0x00000400

#define MGAPCI_OPTION_MEMBANK_ONE_BANK 0x00000000

#define MGAPCI_OPTION_MEMBANK_TWO_BANKS 0x00000400

#define MGAPCI_OPTION_VGAIOEN 0x00000100

#define MGAPCI_OPTION_PLLSEL 0x00000040

#define MGAPCI_OPTION_SYSPLLPDN 0x00000020

#define MGAPCI_OPTION_MCLKDIV 0x00000010

#define MGAPCI_OPTION_GCLKDIV 0x00000008

#define MGAPCI_OPTION_SYSCLKDIS 0x00000004

#define MGAPCI_OPTION_SYSCLKSL_MASK 0x00000003

#define MGAPCI_OPTION_SYSCLKSL_PCI 0x00000000

#define MGAPCI_OPTION_SYSCLKSL_PLL 0x00000001

#define MGAPCI_OPTION_SYSCLKSL_MCLK 0x00000002

/* MGA PCI Option2 0x50 */

#define MGAPCI_OPTION2_MODCLKP_MASK 0x00380000

#define MGAPCI_OPTION2_MODCLKP_SHIFT 19

#define MGAPCI_OPTION2_WCLKDIV 0x00020000

#define MGAPCI_OPTION2_NOWCLKDIV 0x00010000

#define MGAPCI_OPTION2_NOMCLKDIV 0x00008000

#define MGAPCI_OPTION2_NOGCLKDIV 0x00004000

#define MGAPCI_OPTION2_MBUFTYPE1 0x00002000

#define MGAPCI_OPTION2_MBUFTYPE0 0x00001000

#define MGAPCI_OPTION2_EEPROMWT 0x00000100

/* MGA PCI Power Management Control Status 0xe0 */

#define MGAPCI_PMCSR_POWER_MASK 0x00000003

#define MGAPCI_PMCSR_POWER_D0 0x00000000

#define MGAPCI_PMCSR_POWER_D3 0x00000003

/* MGA PCI Power Management Identifier 0xdc */

#define MGAPCI_PMIDENT_D2_SUP 0x04000000

#define MGAPCI_PMIDENT_D1_SUP 0x02000000

#define MGAPCI_PMIDENT_DSI 0x00200000

#define MGAPCI_PMIDENT_PM_VERSION 0x00070000

#define MGAPCI_PMIDENT_PM_NEXT_MASK 0x0000ff00

#define MGAPCI_PMIDENT_PM_CAP_ID_MASK 0x000000ff

#define MGAPCI_PMIDENT_PM_CAP_ID 0x00000001

/* MGA PCI Subsysid 0x4c */

#define MGAPCI_SUBSYSID_SUBSYSVID 0xffff0000

#define MGAPCI_SUSSYSID_SUBSYSVID_SHIFT 16

#define MGAPCI_SUBSYSID_SUBSYSID 0x0000ffff

/* MGA Memory */

#define MGA_AGP_PLL 0x1e4c

#define MGA_ALPHACTRL 0x2c7c

#define MGA_ALPHASTART 0x2c70

#define MGA_ALPHAXINC 0x2c74

#define MGA_ALPHAYINC 0x2c78

#define MGA_AR0 0x1c60

#define MGA_AR1 0x1c64

#define MGA_AR2 0x1c68

#define MGA_AR3 0x1c6c

#define MGA_AR4 0x1c70

#define MGA_AR5 0x1c74

#define MGA_AR6 0x1c78

#define MGA_BCOL 0x1c20

#define MGA_BESA1CORG 0x3d10

#define MGA_BESA1ORG 0x3d00

#define MGA_BESA2CORG 0x3d14

#define MGA_BESA2ORG 0x3d04

#define MGA_BESB1CORG 0x3d18

#define MGA_BESB1ORG 0x3d08

#define MGA_BESB2CORG 0x3d1c

#define MGA_BESB2ORG 0x3d0c

#define MGA_BESCTL 0x3d20

#define MGA_BESGLOBCTL 0x3dc0

#define MGA_BESHCOORD 0x3d28

#define MGA_BESHISCAL 0x3d30

#define MGA_BESHSRCEND 0x3d3c

#define MGA_BESHSRCLST 0x3d50

#define MGA_BESHSRCST 0x3d38

#define MGA_BESPITCH 0x3d24

#define MGA_BESSTATUS 0x3dc4

#define MGA_BESV1SRCLST 0x3d54

#define MGA_BESV2SRCLST 0x3d58

#define MGA_BESV1WGHT 0x3d48

#define MGA_BESV2WGHT 0x3d4c

#define MGA_BESVCOORD 0x3d2c

#define MGA_BESVISCAL 0x3d34

#define MGA_CODECADDR 0x3e44

#define MGA_CODECCTL 0x3e40

#define MGA_CODECHARDPTR 0x3e4c

#define MGA_CODECHOSTPTR 0x3e48

#define MGA_CODECLCODE 0x3e50

#define MGA_CXBNDRY 0x1c80

#define MGA_CXLEFT 0x1ca0

#define MGA_CXRIGHT 0x1ca4

#define MGA_DMAWIN 0x0000

#define MGA_DMAMAP30 0x1e30

#define MGA_DMAMAP74 0x1e34

#define MGA_DMAMAPB8 0x1e38

#define MGA_DMAMAPFC 0x1e3c

#define MGA_DMAPAD 0x1c54

#define MGA_DR0_Z32_LSB 0x2c50

#define MGA_DR0_Z32_MSB 0x2c54

#define MGA_DR2_Z32_LSB 0x2c60

#define MGA_DR2_Z32_MSB 0x2c64

#define MGA_DR3_Z32_LSB 0x2c68

#define MGA_DR3_Z32_MSB 0x2c6c

#define MGA_DR0 0x1cc0

#define MGA_DR2 0x1cc8

#define MGA_DR3 0x1ccc

#define MGA_DR4 0x1cd0

#define MGA_DR6 0x1cd8

#define MGA_DR7 0x1cdc

#define MGA_DR8 0x1ce0

#define MGA_DR10 0x1ce8

#define MGA_DR11 0x1cec

#define MGA_DR12 0x1cf0

#define MGA_DR14 0x1cf8

#define MGA_DR15 0x1cfc

#define MGA_DRAW_AR0 0x1d60

#define MGA_DRAW_AR1 0x1d64

#define MGA_DRAW_AR2 0x1d68

#define MGA_DRAW_AR3 0x1d6c

#define MGA_DRAW_AR4 0x1d70

#define MGA_DRAW_AR5 0x1d74

#define MGA_DRAW_AR6 0x1d78

#define MGA_DRAW_BCOL 0x1d20

#define MGA_DRAW_CXBNDRY 0x1d80

#define MGA_DRAW_CXLEFT 0x1da0

#define MGA_DRAW_CXRIGHT 0x1da4

#define MGA_DRAW_DMAPAD 0x1d54

#define MGA_DRAW_DWGCTL 0x1d00

#define MGA_DRAW_FCOL 0x1d24

#define MGA_DRAW_FXBNDRY 0x1d84

#define MGA_DRAW_FXLEFT 0x1da8

#define MGA_DRAW_FXRIGHT 0x1dac

#define MGA_DRAW_LEN 0x1d5c

#define MGA_DRAW_MACCESS 0x1d04

#define MGA_DRAW_MCTLWTST 0x1d08

#define MGA_DRAW_PAT0 0x1d10

#define MGA_DRAW_PAT1 0x1d14

#define MGA_DRAW_PITCH 0x1d8c

#define MGA_DRAW_PLNWT 0x1d1c

#define MGA_DRAW_SGN 0x1d58

#define MGA_DRAW_SHIFT 0x1d50

#define MGA_DRAW_SRC0 0x1d30

#define MGA_DRAW_SRC1 0x1d34

#define MGA_DRAW_SRC2 0x1d38

#define MGA_DRAW_SRC3 0x1d3c

#define MGA_DRAW_XDST 0x1db0

#define MGA_DRAW_XYEND 0x1d44

#define MGA_DRAW_XYSTRT 0x1d40

#define MGA_DRAW_YBOT 0x1d9c

#define MGA_DRAW_YDST 0x1d90

#define MGA_DRAW_YDSTLEN 0x1d88

#define MGA_DRAW_YDSTORG 0x1d94

#define MGA_DRAW_YTOP 0x1d98

#define MGA_DRAW_ZORG 0x1d0c

#define MGA_DSTORG 0x2cb8

#define MGA_DWG_INDIR_WT 0x1e80

#define MGA_DWG_INDIR_WT0 0x1e80

#define MGA_DWG_INDIR_WT1 0x1e84

#define MGA_DWG_INDIR_WT2 0x1e88

#define MGA_DWG_INDIR_WT3 0x1e8c

#define MGA_DWG_INDIR_WT4 0x1e90

#define MGA_DWG_INDIR_WT5 0x1e94

#define MGA_DWG_INDIR_WT6 0x1e98

#define MGA_DWG_INDIR_WT7 0x1e9c

#define MGA_DWG_INDIR_WT8 0x1ea0

#define MGA_DWG_INDIR_WT9 0x1ea4

#define MGA_DWG_INDIR_WTA 0x1ea8

#define MGA_DWG_INDIR_WTB 0x1eac

#define MGA_DWG_INDIR_WTC 0x1eb0

#define MGA_DWG_INDIR_WTD 0x1eb4

#define MGA_DWG_INDIR_WTE 0x1eb8

#define MGA_DWG_INDIR_WTF 0x1ebc

#define MGA_DWGCTL 0x1c00

#define MGA_DWGSYNC 0x2c4c

#define MGA_FCOL 0x1c24

#define MGA_FIFOSTATUS 0x1e10

#define MGA_FOGCOL 0x1cf4

#define MGA_FOGSTART 0x1cc4

#define MGA_FOGXINC 0x1cd4

#define MGA_FOGYINC 0x1ce4

#define MGA_FXBNDRY 0x1c84

#define MGA_FXLEFT 0x1ca8

#define MGA_FXRIGHT 0x1cac

#define MGA_ICLEAR 0x1e18

#define MGA_IEN 0x1e1c

#define MGA_LEN 0x1c5c

#define MGA_MACCESS 0x1c04

#define MGA_MCTLWTST 0x1c08

#define MGA_MEMRDBK 0x1e44

#define MGA_MODELREV 0x1e24

#define MGA_OPMODE 0x1e54

#define MGA_PAT0 0x1c10

#define MGA_PAT1 0x1c14

#define MGA_PITCH 0x1c8c

#define MGA_PLNWT 0x1c1c

#define MGA_PRIMADDRESS 0x1e58

#define MGA_PRIMEND 0x1e5c

#define MGA_PRIMPTR 0x1e50

#define MGA_RST 0x1e40

#define MGA_SECADDRESS 0x2c40

#define MGA_SECEND 0x2c44

#define MGA_SETUPADDRESS 0x2cd0

#define MGA_SETUPEND 0x2cd4

#define MGA_SGN 0x1c58

#define MGA_SHIFT 0x1c50

#define MGA_SOFTRAP 0x2c48

#define MGA_SPECBSTART 0x2c98

#define MGA_SPECBXINC 0x2c9c

#define MGA_SPECBYINC 0x2ca0

#define MGA_SPECGSTART 0x2c8c

#define MGA_SPECGXINC 0x2c90

#define MGA_SPECGYINC 0x2c94

#define MGA_SPECRSTART 0x2c80

#define MGA_SPECRXINC 0x2c84

#define MGA_SPECRYINC 0x2c88

#define MGA_SRC0 0x1c30

#define MGA_SRC1 0x1c34

#define MGA_SRC2 0x1c38

#define MGA_SRC3 0x1c3c

#define MGA_SRCORG 0x2cb4

#define MGA_STATUS 0x1e14

#define MGA_TEST0 0x1e48

#define MGA_TEXBORDERCOL 0x2c5c

#define MGA_TEXCTL 0x2c30

#define MGA_TEXCTL2 0x2c3c

#define MGA_TEXFILTER 0x2c58

#define MGA_TEXHEIGHT 0x2c2c

#define MGA_TEXORG 0x2c24

#define MGA_TEXORG1 0x2ca4

#define MGA_TEXORG2 0x2ca8

#define MGA_TEXORG3 0x2cac

#define MGA_TEXORG4 0x2cb0

#define MGA_TEXTRANS 0x2c34

#define MGA_TEXTRANSHIGH 0x2c38

#define MGA_TEXWIDTH 0x2c28

#define MGA_TMR0 0x2c00

#define MGA_TMR1 0x2c04

#define MGA_TMR2 0x2c08

#define MGA_TMR3 0x2c0c

#define MGA_TMR4 0x2c10

#define MGA_TMR5 0x2c14

#define MGA_TMR6 0x2c18

#define MGA_TMR7 0x2c1c

#define MGA_TMR8 0x2c20

#define MGA_VBIADDR0 0x3e08

#define MGA_VBIADDR1 0x3e0c

#define MGA_VCOUNT 0x1e20

#define MGA_VICLEAR 0x3e34

#define MGA_VIEN 0x3e38

#define MGA_VINADDR0 0x3e10

#define MGA_VINADDR1 0x3e14

#define MGA_VINCTL 0x3e1c

#define MGA_VINCTL0 0x3e00

#define MGA_VINCTL1 0x3e04

#define MGA_VINNEXTWIN 0x3e18

#define MGA_VSTATUS 0x3e30

#define MGA_WCODEADDR 0x1e6c

#define MGA_WFLAG 0x1dc4

#define MGA_WFLAGNB 0x1e64

#define MGA_WGETMSB 0x1dc8

#define MGA_WIADDR 0x1dc0

#define MGA_WIADDRNB 0x1e60

#define MGA_WIMEMADDR 0x1e68

#define MGA_WIMEMDATA 0x2000

#define MGA_WMISC 0x1e70

#define MGA_WR 0x2d00

#define MGA_WVRTXSZ 0x1dcc

#define MGA_XDST 0x1cb0

#define MGA_XYEND 0x1c44

#define MGA_XYSTRT 0x1c40

#define MGA_YBOT 0x1c9c

#define MGA_YDST 0x1c90

#define MGA_YDSTLEN 0x1c88

#define MGA_YDSTORG 0x1c94

#define MGA_YTOP 0x1c98

#define MGA_ZORG 0x1c0c

/* MGA AGP PLL 0x1e4c */

#define MGA_AGP_PLL_AGP2XPLLEN 0x00000001

/* MGA Alpha Control 0x2c7c (wo) */

#define MGA_ALPHACTRL_ALPHASEL_MASK 0x03000000

#define MGA_ALPHACTRL_ALPHASEL_TEXTURE 0x00000000

#define MGA_ALPHACTRL_ALPHASEL_DIFFUSED 0x01000000

#define MGA_ALPHACTRL_ALPHASEL_MODULATED 0x02000000

#define MGA_ALPHACTRL_ALPHASEL_TRANSPARENCY 0x03000000

#define MGA_ALPHACTRL_ATREF_MASK 0x00ff0000

#define MGA_ALPHACTRL_ATREF_SHIFT 16

#define MGA_ALPHACTRL_ATMODE_MASK 0x0000e000

#define MGA_ALPHACTRL_ATMODE_NOACMP 0x00000000

#define MGA_ALPHACTRL_ATMODE_AE 0x00004000

#define MGA_ALPHACTRL_ATMODE_ANE 0x00006000

#define MGA_ALPHACTRL_ATMODE_ALT 0x00008000

#define MGA_ALPHACTRL_ATMODE_ALTE 0x0000a000

#define MGA_ALPHACTRL_ATMODE_AGT 0x0000c000

#define MGA_ALPHACTRL_ATMODE_AGTE 0x0000e000

#define MGA_ALPHACTRL_ATEN 0x00001000

#define MGA_ALPHACTRL_ASTIPPLE 0x00000800

#define MGA_ALPHACTRL_ALPHAMODE_MASK 0x00000300

#define MGA_ALPHACTRL_ALPHAMODE_FCOL 0x00000000

#define MGA_ALPHACTRL_ALPHAMODE_ALPHA_CHANNEL 0x00000100

#define MGA_ALPHACTRL_ALPHAMODE_VIDEO_ALPHA 0x00000200

#define MGA_ALPHACTRL_DSTBLENDF_MASK 0x000000f0

#define MGA_ALPHACTRL_DSTBLENDF_ZERO 0x00000000

#define MGA_ALPHACTRL_DSTBLENDF_ONE 0x00000010

#define MGA_ALPHACTRL_DSTBLENDF_SRC_COLOR 0x00000020

#define MGA_ALPHACTRL_DSTBLENDF_ONE_MINUS_SRC_COLOR 0x00000030

#define MGA_ALPHACTRL_DSTBLENDF_SRC_ALPHA 0x00000040

#define MGA_ALPHACTRL_DSTBLENDF_ONE_MINUS_SRC_ALPHA 0x00000050

#define MGA_ALPHACTRL_DSTBLENDF_DST_ALPHA 0x00000060

#define MGA_ALPHACTRL_DSTBLENDF_ONE_MINUS_DST_ALPHA 0x00000070

#define MGA_ALPHACTRL_SRCBLENDF_MASK 0x0000000f

#define MGA_ALPHACTRL_SRCBLENDF_ZERO 0x00000000

#define MGA_ALPHACTRL_SRCBLENDF_ONE 0x00000001

#define MGA_ALPHACTRL_SRCBLENDF_DST_COLOR 0x00000002

#define MGA_ALPHACTRL_SRCBLENDF_ONE_MINUS_DST_COLOR 0x00000003

#define MGA_ALPHACTRL_SRCBLENDF_SRC_ALPHA 0x00000004

#define MGA_ALPHACTRL_SRCBLENDF_ONE_MINUS_SRC_ALPHA 0x00000005

#define MGA_ALPHACTRL_SRCBLENDF_DST_ALPHA 0x00000006

#define MGA_ALPHACTRL_SRCBLENDF_ONE_MINUS_DST_ALPHA 0x00000007

#define MGA_ALPHACTRL_SRCBLENDF_SRC_ALPHA_SATURATE 0x00000008

/* MGA Alpha Start 0x2c70 (wo) */

#define MGA_ALPHASTART_MASK 0x00ffffff

/* MGA Alpha Xinc 0x2c74 (wo) */

#define MGA_ALPHAXINC_MASK 0x00ffffff

/* MGA Alpha Yinc 0x2c78 (wo) */

#define MGA_ALPHAYINC_MASK 0x00ffffff

/* MGA Address 0 0x1c60 (wo), 0x1d60 (wo) */

#define MGA_AR0_MASK 0x0003ffff

/* MGA Address 1 0x1c64 (wo), 0x1d64 (wo) */

#define MGA_AR1_MASK 0x00ffffff

/* MGA Address 2 0x1c68 (wo), 0x1d68 (wo) */

#define MGA_AR2_MASK 0x0003ffff

/* MGA Address 3 0x1c6c (wo), 0x1d6c (wo) */

#define MGA_AR3_MASK 0x00ffffff

#define MGA_AR3_SPAGE_MASK 0x07000000

#define MGA_AR3_SPAGE_SHIFT 24

/* MGA Address 4 0x1c70 (wo), 0x1d70 (wo) */

#define MGA_AR4_MASK 0x0003ffff

/* MGA Address 5 0x1c74 (wo), 0x1d74 (wo) */

#define MGA_AR5_MASK 0x0003ffff

/* MGA Address 6 0x1c78 (wo), 0x1d78 (wo) */

#define MGA_AR6_MASK 0x0003ffff

/* MGA Background Color 0x1c20 (wo), 0x1d20 (wo) */

/* MGA Backend Scaler Buffer A Field 1 Chroma Origin 0x3d10 (wo) */

/* MGA Backend Scaler Buffer A Field 1 Origin 0x3d00 (wo) */

/* MGA Backend Scaler Buffer A Field 2 Chroma Origin 0x3d14 (wo) */

/* MGA Backend Scaler Buffer A Field 2 Origin 0x3d04 (wo) */

/* MGA Backend Scaler Buffer B Field 1 Chroma Origin 0x3d18 (wo) */

/* MGA Backend Scaler Buffer B Field 1 Origin 0x3d08 (wo) */

/* MGA Backend Scaler Buffer B Field 2 Chroma Origin 0x3d1c (wo) */

/* MGA Backend Scaler Buffer B Field 2 Origin 0x3d0c (wo) */

#define MGA_BESCORG_MASK 0x00ffffff

#define MGA_BESORG_MASK 0x00ffffff

/* MGA Backend Scaler Control 0x3d20 */

#define MGA_BESCTL_BESFSEL_MASK 0x06000000

#define MGA_BESCTL_BESFSEL_BUF_A_FIELD_1 0x00000000

#define MGA_BESCTL_BESFSEL_BUF_A_FIELD_2 0x02000000

#define MGA_BESCTL_BESFSEL_BUF_B_FIELD_1 0x04000000

#define MGA_BESCTL_BESFSEL_BUF_B_FIELD_2 0x06000000

#define MGA_BESCTL_BESFSELM 0x01000000

#define MGA_BESCTL_BESBLANK 0x00200000

#define MGA_BESCTL_BESBWEN 0x00100000

#define MGA_BESCTL_BESHMIR 0x00080000

#define MGA_BESCTL_BESDITH 0x00040000

#define MGA_BESCTL_BES420PL 0x00020000

#define MGA_BESCTL_BESCUPS 0x00010000

#define MGA_BESCTL_BESHFIXC 0x00001000

#define MGA_BESCTL_BESVFEN 0x00000800

#define MGA_BESCTL_BESHFEN 0x00000400

#define MGA_BESCTL_BESV2SRCSTP 0x00000080

#define MGA_BESCTL_BESV1SRCSTP 0x00000040

#define MGA_BESCTL_BESEN 0x00000001

/* MGA Backend Scaler Global Control 0x3dc0 */

#define MGA_BESGLOBCTL_BESVCNT_MASK 0x0fff0000

#define MGA_BESGLOBCTL_BESVCNT_SHIFT 16

#define MGA_BESGLOBCTL_BESREGHUP 0x00000008

#define MGA_BESGLOBCTL_BESCORDER 0x00000004

#define MGA_BESGLOBCTL_BESHZOOMF 0x00000002

#define MGA_BESGLOBCTL_BESHZOOM 0x00000001

/* MGA Backend Scaler Horiz Coordinates 0x3d28 */

#define MGA_BESHCOORD_BESLEFT_MASK 0x07ff0000

#define MGA_BESHCOORD_BESLEFT_SHIFT 16

#define MGA_BESHCOORD_BESRIGHT_MASK 0x000007ff

/* MGA Backend Scaler Horiz Inv Scaling Factor 0x3d30 (wo) */

#define MGA_BESHISCAL_MASK 0x001ffffc

#define MGA_BESHISCAL_SHIFT 2

/* MGA Backend Scaler Horiz Source Ending 0x3d3c (wo) */

#define MGA_BESHSRCEND_MASK 0x03fffffc

#define MGA_BESHSRCEND_SHIFT 2

/* MGA Backend Scaler Horiz Source Last 0x3d50 (wo) */

#define MGA_BESHSRCLST_MASK 0x03ff0000

#define MGA_BESHSRCLST_SHIFT 16

/* MGA Backend Scaler Horiz Source Start 0x3d38 (wo) */

#define MGA_BESHSRCST_MASK 0x03fffffc

#define MGA_BESHSRCST_SHIFT 2

/* MGA Backend Scaler Pitch 0x3d24 (wo) */

#define MGA_BESPITCH_MASK 0x00000fff

/* MGA Backend Scaler Status 0x3dc4 (ro) */

#define MGA_BESSTAT_MASK 0x00000003

#define MGA_BESSTAT_A1 0x00000000

#define MGA_BESSTAT_A2 0x00000001

#define MGA_BESSTAT_B1 0x00000002

#define MGA_BESSTAT_B2 0x00000003

/* MGA Backend Scaler Field 1 Vert Source Last Pos 0x3d54 (wo) */

#define MGA_BESV1SRCLST_MASK 0x000003ff

/* MGA Backend Scaler Field 2 Vert Source Last Pos 0x3d58 (wo) */

#define MGA_BESV2SRCLST_MASK 0x000003ff

/* MGA Backend Scaler Field 1 Vert Weight Start 0x3d48 (wo) */

#define MGA_BESV1WGHT_BES1WGHTS 0x00010000

#define MGA_BESV1WGHT_BESV1WGHT_MASK 0x0000fffc

#define MGA_BESV1WGHT_BESV1WGTH_SHIFT 2

/* MGA Backend Scaler Field 2 Vert Weight Start 0x3d4c (wo) */

#define MGA_BESV2WGHT_BES2WGHTS 0x00010000

#define MGA_BESV2WGHT_BESV2WGHT_MASK 0x0000fffc

#define MGA_BESV2WGHT_BESV2WGTH_SHIFT 2

/* MGA Backend Scaler Vertical Coordinates 0x3d2c (wo) */

#define MGA_BESVCOORD_BESTOP_MASK 0x07ff0000

#define MGA_BESVCOORD_BESTOP_SHIFT 16

#define MGA_BESVCOORD_BESBOT_MASK 0x000007ff

/* MGA Backend Scaler Vertical Inverse Scaling Factor 0x3d34 (wo) */

#define MGA_BESVISCAL_MASK 0x001ffffc

#define MGA_BESVISCAL_SHIFT 2

/* MGA Codec Buffer Start Address 0x3e44 (wo) */

#define MGA_CODECADDR_CODECSTART_MASK 0x00fffffc

#define MGA_CODECADDR_CODECSTART_SHIFT 2

#define MGA_CODECADDR_CODECBUFSIZE 0x00000001

/* MGA Codec Control 0x3e40 (wo) */

#define MGA_CODECCTL_CODECMISCCTL_MASK 0xff000000

#define MGA_CODECCTL_CODECMISCCTL_SHIFT 24

#define MGA_CODECCTL_CODECRWIDTH_MASK 0x00003000

#define MGA_CODECCTL_CODECRWIDTH_SHIFT 12

#define MGA_CODECCTL_CODECFIFOADDR_MASK 0x00000700

#define MGA_CODECCTL_CODECFIFOADDR_SHIFT 8

#define MGA_CODECCTL_CODECTRANSEN 0x00000040

#define MGA_CODECCTL_STOPCODEC 0x00000020

#define MGA_CODECCTL_VMIMODE 0x00000010

#define MGA_CODECCTL_CODECDATAIN 0x00000008

#define MGA_CODECCTL_CMDEXECTRIG 0x00000004

#define MGA_CODECCTL_CODECMODE 0x00000002

#define MGA_CODECCTL_CODECEN 0x00000001

/* MGA Codec Hard Pointer 0x3e4c (ro) */

#define MGA_CODECHARDPTR_MASK 0x0000ffff

/* MGA Codec Host Pointer 0x3e48 (wo) */

#define MGA_CODECHOSTPTR_MASK 0x0000ffff

/* MGA Codec Lcode Pointer 0x3e50 (ro) */

#define MGA_CODECLCODE_MASK 0x0000ffff

/* MGA Clipper X Boundary 0x1c80 (wo), 0x1d80 (wo) */

#define MGA_CXBNDRY_CXRIGHT_MASK 0x0fff0000

#define MGA_CXBNDRY_CXRIGHT_SHIFT 16

#define MGA_CXBNDRY_CXLEFT_MASK 0x00000fff

/* MGA Clipper X Minimum Boundary 0x1ca0 (wo), 0x1da0 (wo) */

#define MGA_CXLEFT_MASK 0x00000fff

/* MGA Clipper X Maximum Boundary 0x1ca4 (wo), 0x1da4 (wo) */

#define MGA_CXRIGHT_MASK 0x00000fff

/* MGA DMA Map 3 to 0 0x1e30 */

#define MGA_DMAMAP30_MAP_REG3_MASK 0xff000000

#define MGA_DMAMAP30_MAP_REG3_SHIFT 24

#define MGA_DMAMAP30_MAP_REG2_MASK 0x00ff0000

#define MGA_DMAMAP30_MAP_REG2_SHIFT 16

#define MGA_DMAMAP30_MAP_REG1_MASK 0x0000ff00

#define MGA_DMAMAP30_MAP_REG1_SHIFT 8

#define MGA_DMAMAP30_MAP_REG0_MASK 0x000000ff

/* MGA DMA Map 7 to 4 0x1e34 */

#define MGA_DMAMAP74_MAP_REG7_MASK 0xff000000

#define MGA_DMAMAP74_MAP_REG7_SHIFT 24

#define MGA_DMAMAP74_MAP_REG6_MASK 0x00ff0000

#define MGA_DMAMAP74_MAP_REG6_SHIFT 16

#define MGA_DMAMAP74_MAP_REG5_MASK 0x0000ff00

#define MGA_DMAMAP74_MAP_REG5_SHIFT 8

#define MGA_DMAMAP74_MAP_REG4_MASK 0x000000ff

/* MGA DMA Map B to 8 0x1e38 */

#define MGA_DMAMAPB8_MAP_REGB_MASK 0xff000000

#define MGA_DMAMAPB8_MAP_REGB_SHIFT 24

#define MGA_DMAMAPB8_MAP_REGA_MASK 0x00ff0000

#define MGA_DMAMAPB8_MAP_REGA_SHIFT 16

#define MGA_DMAMAPB8_MAP_REG9_MASK 0x0000ff00

#define MGA_DMAMAPB8_MAP_REG9_SHIFT 8

#define MGA_DMAMAPB8_MAP_REG8_MASK 0x000000ff

/* MGA DMA Map F to C 0x1e3c */

#define MGA_DMAMAPFC_MAP_REGF_MASK 0xff000000

#define MGA_DMAMAPFC_MAP_REGF_SHIFT 24

#define MGA_DMAMAPFC_MAP_REGE_MASK 0x00ff0000

#define MGA_DMAMAPFC_MAP_REGE_SHIFT 16

#define MGA_DMAMAPFC_MAP_REGD_MASK 0x0000ff00

#define MGA_DMAMAPFC_MAP_REGD_SHIFT 8

#define MGA_DMAMAPFC_MAP_REGC_MASK 0x000000ff

/* MGA DMA Padding 0x1c54 (wo), 0x1d54 (wo) */

/* MGA Extended Data ALU 0 Low 0x2c50 (wo) */

/* MGA Extended Data ALU 0 High 0x2c54 (wo) */

#define MGA_DR0_Z32MSB_MASK 0x0000ffff

/* MGA Extended Data ALU 2 Low 0x2c60 (wo) */

/* MGA Extended Data ALU 2 High 0x2c64 (wo) */

#define MGA_DR2_Z32MSB_MASK 0x0000ffff

/* MGA Extended Data ALU 3 Low 0x2c68 (wo) */

/* MGA Extended Data ALU 3 High 0x2c6c (wo) */

#define MGA_DR3_Z32MSB_MASK 0x0000ffff

/* MGA Data ALU 0 0x1cc0 (wo) */

/* MGA Data ALU 2 0x1cc8 (wo) */

/* MGA Data ALU 3 0x1ccc (wo) */

/* MGA Data ALU 4 0x1cd0 (wo) */

#define MGA_DR4_MASK 0x00ffffff

/* MGA Data ALU 6 0x1cd8 (wo) */

#define MGA_DR6_MASK 0x00ffffff

/* MGA Data ALU 7 0x1cdc (wo) */

#define MGA_DR7_MASK 0x00ffffff

/* MGA Data ALU 8 0x1ce0 (wo) */

#define MGA_DR8_MASK 0x00ffffff

/* MGA Data ALU 10 0x1ce8 (wo) */

#define MGA_DR10_MASK 0x00ffffff

/* MGA Data ALU 11 0x1cec (wo) */

#define MGA_DR11_MASK 0x00ffffff

/* MGA Data ALU 12 0x1cf0 (wo) */

#define MGA_DR12_MASK 0x00ffffff

/* MGA Data ALU 14 0x1cf8 (wo) */

#define MGA_DR14_MASK 0x00ffffff

/* MGA Data ALU 15 0x1cfc (wo) */

#define MGA_DR15_MASK 0x00ffffff

/* MGA Destination Origin 0x2cb8 (wo) */

#define MGA_DSTORG_MASK 0xfffffff8

#define MGA_DSTORG_SHIFT 3

#define MGA_DSTORG_DSTACC 0x00000002

#define MGA_DSTORG_DSTMAP 0x00000001

/* MGA Drawing Register Indirect Write 0 0x1e80 (wo) */

/* MGA Drawing Register Indirect Write 1 0x1e84 (wo) */

/* MGA Drawing Register Indirect Write 2 0x1e88 (wo) */

/* MGA Drawing Register Indirect Write 3 0x1e8c (wo) */

/* MGA Drawing Register Indirect Write 4 0x1e90 (wo) */

/* MGA Drawing Register Indirect Write 5 0x1e94 (wo) */

/* MGA Drawing Register Indirect Write 6 0x1e98 (wo) */

/* MGA Drawing Register Indirect Write 7 0x1e9c (wo) */

/* MGA Drawing Register Indirect Write 8 0x1ea0 (wo) */

/* MGA Drawing Register Indirect Write 9 0x1ea4 (wo) */

/* MGA Drawing Register Indirect Write A 0x1ea8 (wo) */

/* MGA Drawing Register Indirect Write B 0x1eac (wo) */

/* MGA Drawing Register Indirect Write C 0x1eb0 (wo) */

/* MGA Drawing Register Indirect Write D 0x1eb4 (wo) */

/* MGA Drawing Register Indirect Write E 0x1eb8 (wo) */

/* MGA Drawing Register Indirect Write F 0x1ebc (wo) */

/* MGA Drawing Control 0x1c00 (wo), 0x1d00 (wo) */

#define MGA_DWGCTL_CLIPDIS 0x80000000

#define MGA_DWGCTL_TRANSC 0x40000000

#define MGA_DWGCTL_PATTERN 0x20000000

#define MGA_DWGCTL_BLTMOD_MASK 0x1e000000

#define MGA_DWGCTL_BLTMOD_BMONOLEF 0x00000000

#define MGA_DWGCTL_BLTMOD_BPLAN 0x02000000

#define MGA_DWGCTL_BLTMOD_BFCOL 0x04000000

#define MGA_DWGCTL_BLTMOD_BU32BGR 0x06000000

#define MGA_DWGCTL_BLTMOD_BMONOWF 0x08000000

#define MGA_DWGCTL_BLTMOD_BU32RGB 0x0e000000

#define MGA_DWGCTL_BLTMOD_BU24BGR 0x16000000

#define MGA_DWGCTL_BLTMOD_BU24RGB 0x1e000000

#define MGA_DWGCTL_TRANS_MASK 0x00f00000

#define MGA_DWGCTL_TRANS_SHIFT 20

#define MGA_DWGCTL_BOP_MASK 0x000f0000

#define MGA_DWGCTL_BOP_CLEAR 0x00000000

#define MGA_DWGCTL_BOP_NOR 0x00010000

#define MGA_DWGCTL_BOP_ANDINVERTED 0x00020000

#define MGA_DWGCTL_BOP_COPYINVERTED 0x00030000

#define MGA_DWGCTL_BOP_ANDREVERSE 0x00040000

#define MGA_DWGCTL_BOP_INVERT 0x00050000

#define MGA_DWGCTL_BOP_XOR 0x00060000

#define MGA_DWGCTL_BOP_NAND 0x00070000

#define MGA_DWGCTL_BOP_AND 0x00080000

#define MGA_DWGCTL_BOP_EQUIV 0x00090000

#define MGA_DWGCTL_BOP_NOOP 0x000a0000

#define MGA_DWGCTL_BOP_ORINVERTED 0x000b0000

#define MGA_DWGCTL_BOP_COPY 0x000c0000

#define MGA_DWGCTL_BOP_ORREVERSE 0x000d0000

#define MGA_DWGCTL_BOP_OR 0x000e0000

#define MGA_DWGCTL_BOP_SET 0x000f0000

#define MGA_DWGCTL_SHFTZERO 0x00004000

#define MGA_DWGCTL_SGNZERO 0x00002000

#define MGA_DWGCTL_ARZERO 0x00001000

#define MGA_DWGCTL_SOLID 0x00000800

#define MGA_DWGCTL_ZMODE_MASK 0x00000700

#define MGA_DWGCTL_ZMODE_NOZCMP 0x00000000

#define MGA_DWGCTL_ZMODE_ZE 0x00000200

#define MGA_DWGCTL_ZMODE_ZNE 0x00000300

#define MGA_DWGCTL_ZMODE_ZLT 0x00000400

#define MGA_DWGCTL_ZMODE_ZLTE 0x00000500

#define MGA_DWGCTL_ZMODE_ZGT 0x00000600

#define MGA_DWGCTL_ZMODE_ZGTE 0x00000700

#define MGA_DWGCTL_LINEAR 0x00000080

#define MGA_DWGCTL_ATYPE_MASK 0x00000070

#define MGA_DWGCTL_ATYPE_RPL 0x00000000

#define MGA_DWGCTL_ATYPE_RSTR 0x00000010

#define MGA_DWGCTL_ATYPE_ZI 0x00000030

#define MGA_DWGCTL_ATYPE_BLK 0x00000040

#define MGA_DWGCTL_ATYPE_I 0x00000070

#define MGA_DWGCTL_OPCOD_MASK 0x0000000f

#define MGA_DWGCTL_OPCOD_LINE_OPEN 0x00000000

#define MGA_DWGCTL_OPCOD_AUTOLINE_OPEN 0x00000001

#define MGA_DWGCTL_OPCOD_LINE_CLOSE 0x00000002

#define MGA_DWGCTL_OPCOD_AUTOLINE_CLOSE 0x00000003

#define MGA_DWGCTL_OPCOD_TRAP 0x00000004

#define MGA_DWGCTL_OPCOD_TEXTURE_TRAP 0x00000006

#define MGA_DWGCTL_OPCOD_BITBLT 0x00000008

#define MGA_DWGCTL_OPCOD_ILOAD 0x00000009

/* MGA Drawing Synchronization 0x2c4c */

#define MGA_DWGSYNC_MASK 0xfffffffc

/* MGA Foreground Color 0x1c24 (wo), 0x1d24 (wo) */

/* MGA Fifo Status 0x1e10 (ro) */

#define MGA_FIFOSTATUS_BEMPTY 0x00000200

#define MGA_FIFOSTATUS_BFULL 0x00000100

#define MGA_FIFOSTATUS_FIFOCOUNT_MASK 0x0000007f

/* MGA Fog Color 0x1cf4 (wo) */

#define MGA_FOGCOL_MASK 0x00ffffff

/* MGA Fog Startr 0x1cc4 (wo) */

#define MGA_FOGSTART_MASK 0x00ffffff

/* MGA Fog X Increment 0x1cd4 (wo) */

#define MGA_FOGXINC_MASK 0x00ffffff

/* MGA Fog Y Increment 0x1ce4 (wo) */

#define MGA_FOGYINC_MASK 0x00ffffff

/* MGA Fog X Address Boundary 0x1c84 (wo), 0x1d84 (wo) */

#define MGA_FXBNDRY_FXRIGHT_MASK 0xffff0000

#define MGA_FXBNDRY_FXRIGHT_SHIFT 16

#define MGA_FXBNDRY_FXLEFT_MASK 0x0000ffff

/* MGA Fox X Address Left 0x1ca8 (wo), 0x1da8 (wo) */

#define MGA_FXLEFT_MASK 0x0000ffff

/* MGA Fox X Address Right 0x1cac (wo), 0x1dac (wo) */

#define MGA_FXRIGHT_MASK 0x0000ffff

/* MGA Interrupt Clear 0x1e18 (wo) */

#define MGA_ICLEAR_WCICLR 0x00000100

#define MGA_ICLEAR_WICLR 0x00000080

#define MGA_ICLEAR_VLINEICLR 0x00000020

#define MGA_ICLEAR_PICKICLR 0x00000004

#define MGA_ICLEAR_SOFTRAPICLR 0x00000001

/* MGA Interrupt Enable 0x1e1c */

#define MGA_IEN_WCIEN 0x00000100

#define MGA_IEN_WIEN 0x00000080

#define MGA_IEN_EXTIEN 0x00000040

#define MGA_IEN_VLINEIEN 0x00000020

#define MGA_IEN_PICKIEN 0x00000004

#define MGA_IEN_SOFTRAPIEN 0x00000001

/* MGA Length 0x1c5c (wo), 0x1d5c (wo) */

#define MGA_LENGTH_MASK 0x0000ffff

/* MGA Memory Access 0x1c04 (wo), 0x1d04 (wo) */

#define MGA_MACCESS_DIT555 0x80000000

#define MGA_MACCESS_NODITHER 0x40000000

#define MGA_MACCESS_TLUTLOAD 0x20000000

#define MGA_MACCESS_FOGEN 0x04000000

#define MGA_MACCESS_MEMRESET 0x00008000

#define MGA_MACCESS_ZWIDTH 0x00000008

#define MGA_MACCESS_PWIDTH_MASK 0x00000003

#define MGA_MACCESS_PWIDTH_PW8 0x00000000

#define MGA_MACCESS_PWIDTH_PW16 0x00000001

#define MGA_MACCESS_PWIDTH_PW32 0x00000002

#define MGA_MACCESS_PWIDTH_PW24 0x00000003

/* MGA Memory Control Wait State 0x1c08 (wo) */

#define MGA_MCTLWTST_BPLDELAY_MASK 0xe0000000

#define MGA_MCTLWTST_BPLDELAY_SHIFT 29

#define MGA_MCTLWTST_BPLDELAY_1_CYCLE 0x00000000

#define MGA_MCTLWTST_BPLDELAY_2_CYCLES 0x20000000

#define MGA_MCTLWTST_BPLDELAY_3_CYCLES 0x40000000

#define MGA_MCTLWTST_BPLDELAY_4_CYCLES 0x60000000

#define MGA_MCTLWTST_BPLDELAY_5_CYCLES 0x80000000

#define MGA_MCTLWTST_BPLDELAY_6_CYCLES 0xa0000000

#define MGA_MCTLWTST_BWCDELAY_MASK 0x0c000000

#define MGA_MCTLWTST_BWCDELAY_SHIFT 26

#define MGA_MCTLWTST_BWCDELAY_1_CYCLE 0x00000000

#define MGA_MCTLWTST_BWCDELAY_2_CYCLES 0x04000000

#define MGA_MCTLWTST_SMRDELAY_MASK 0x01800000

#define MGA_MCTLWTST_SMRDELAY_SHIFT 23

#define MGA_MCTLWTST_SMRDELAY_1_CYCLE 0x00000000

#define MGA_MCTLWTST_SMRDELAY_2_CYCLES 0x00800000

#define MGA_MCTLWTST_RDDELAY 0x00200000

#define MGA_MCTLWTST_RDDELAY_SHIFT 21

#define MGA_MCTLWTST_WRDELAY_MASK 0x000c0000

#define MGA_MCTLWTST_WRDELAY_SHIFT 18

#define MGA_MCTLWTST_WRDELAY_1_CYCLE 0x00000000

#define MGA_MCTLWTST_WRDELAY_2_CYCLES 0x00040000

#define MGA_MCTLWTST_RPDELAY_MASK 0x0000c000

#define MGA_MCTLWTST_RPDELAY_SHIFT 14

#define MGA_MCTLWTST_RPDELAY_2_CYCLES 0x00000000

#define MGA_MCTLWTST_RPDELAY_3_CYCLES 0x00004000

#define MGA_MCTLWTST_RPDELAY_4_CYCLES 0x00008000

#define MGA_MCTLWTST_RPDELAY_5_CYCLES 0x0000c000

#define MGA_MCTLWTST_RASMIN_MASK 0x00001c00

#define MGA_MCTLWTST_RASMIN_SHIFT 10

#define MGA_MCTLWTST_RASMIN_3_CYCLES 0x00000000

#define MGA_MCTLWTST_RASMIN_4_CYCLES 0x00000400

#define MGA_MCTLWTST_RASMIN_5_CYCLES 0x00000800

#define MGA_MCTLWTST_RASMIN_6_CYCLES 0x00000c00

#define MGA_MCTLWTST_RASMIN_7_CYCLES 0x00001000

#define MGA_MCTLWTST_RASMIN_8_CYCLES 0x00001400

#define MGA_MCTLWTST_RASMIN_9_CYCLES 0x00001800

#define MGA_MCTLWTST_RASMIN_10_CYCLES 0x00001c00

#define MGA_MCTLWTST_RCDDELAY_MASK 0x00000180

#define MGA_MCTLWTST_RCDDELAY_SHIFT 7

#define MGA_MCTLWTST_RCDDELAY_2_CYCLES 0x00000000

#define MGA_MCTLWTST_RCDDELAY_3_CYCLES 0x00000080

#define MGA_MCTLWTST_RCDDELAY_4_CYCLES 0x00000100

#define MGA_MCTLWTST_RRDDELAY_MASK 0x00000030

#define MGA_MCTLWTST_RRDDELAY_SHIFT 4

#define MGA_MCTLWTST_RRDDELAY_1_CYCLE 0x00000000

#define MGA_MCTLWTST_RRDDELAY_2_CYCLES 0x00000010

#define MGA_MCTLWTST_RRDDELAY_3_CYCLES 0x00000020

#define MGA_MCTLWTST_CASLNTCY_MASK 0x00000007

#define MGA_MCTLWTST_CASLNTCY_2_CYCLES 0x00000000

#define MGA_MCTLWTST_CASLNTCY_3_CYCLES 0x00000001

#define MGA_MCTLWTST_CASLNTCY_4_CYCLES 0x00000002

#define MGA_MCTLWTST_CASLNTCY_5_CYCLES 0x00000003

/* MGA Memory Read Back 0x1e44 */

#define MGA_MEMRDBK_MRSOPCOD_MASK 0x1e000000

#define MGA_MEMRDBK_MRSOPCOD_SHIFT 25

#define MGA_MEMRDBK_STRMFCTL_MASK 0x00c00000

#define MGA_MEMRDBK_STRMFCTL_DONTBLOCK 0x00000000

#define MGA_MEMRDBK_STRMFCTL_TWOCMDS 0x00400000

#define MGA_MEMRDBK_STRMFCTL_ONECMD 0x00800000

#define MGA_MEMRDBK_MCLKBRD1_MASK 0x000001e0

#define MGA_MEMRDBK_MCLKBRD1_SHIFT 5

#define MGA_MEMRDBK_MCLKBRD0_MASK 0x0000000f

/* MGA Operating Mode 0x1e54 */

#define MGA_OPMODE_DIRDATASIZ_MASK 0x00030000

#define MGA_OPMODE_DIRDATASIZ_8BPP 0x00000000

#define MGA_OPMODE_DIRDATASIZ_16BPP 0x00010000

#define MGA_OPMODE_DIRDATASIZ_32BPP 0x00020000

#define MGA_OPMODE_DIRDATASIZ_SHIFT 16

#define MGA_OPMODE_DMADATASIZ_MASK 0x00000300

#define MGA_OPMODE_DMADATASIZ_8BPP 0x00000000

#define MGA_OPMODE_DMADATASIZ_16BPP 0x00000100

#define MGA_OPMODE_DMADATASIZ_32BPP 0x00000200

#define MGA_OPMODE_DMADATASIZ_SHIFT 8

#define MGA_OPMODE_DMAMOD_MASK 0x0000000c

#define MGA_OPMODE_DMAMOD_WRITE 0x00000000

#define MGA_OPMODE_DMAMOD_BLIT 0x00000004

#define MGA_OPMODE_DMAMOD_VECTOR 0x00000008

#define MGA_OPMODE_DMAMOD_VERTEX 0x0000000c

/* MGA Pattern 0 0x1c10 (wo), 0x1d10 (wo) */

/* MGA Pattern 1 0x1c14 (wo), 0x1d14 (wo) */

#define MGA_PITCH_YLIN 0x00008000

#define MGA_PITCH_IY_MASK 0x00001fff

/* MGA Plane Write Mask 0x1c1c (wo), 0x1d1c (wo) */

/* MGA Primary DMA Current Address 0x1e58 */

#define MGA_PRIMADDRESS_MASK 0xfffffffc

#define MGA_PRIMADDRESS_PRIMOD_MASK 0x00000003

#define MGA_PRIMADDRESS_PRIMOD_WRITE 0x00000000

#define MGA_PRIMADDRESS_PRIMOD_BLIT 0x00000001

#define MGA_PRIMADDRESS_PRIMOD_VECTOR 0x00000002

#define MGA_PRIMADDRESS_PRIMOD_VERTEX 0x00000003

/* MGA Primary DMA End Address 0x1e5c */

#define MGA_PRIMEND_MASK 0xfffffffc

#define MGA_PRIMEND_PAGPXFER 0x00000002

#define MGA_PRIMEND_PRIMNOSTART 0x00000001

/* MGA Primary List Status Fetch Pointer 0x1e50 */

#define MGA_PRIMPTR_MASK 0xfffffff8

#define MGA_PRIMPTR_PRIMPTREN1 0x00000002

#define MGA_PRIMPTR_PRIMPTREN0 0x00000001

/* MGA Reset 0x1e40 */

#define MGA_RESET_DUMMY_RST_MASK 0xffff8000

#define MGA_RESET_DUMMY_RST_SHIFT 15

#define MGA_RESET_POWERMDIR 0x00000100

#define MGA_RESET_SOFTEXTRST 0x00000002

#define MGA_RESET_SOFTRESET 0x00000001

/* MGA Secondary DMA Current Address 0x2c40 */

#define MGA_SECADDRESS_MASK 0xfffffffc

#define MGA_SECADDRESS_SECMOD_MASK 0x00000003

#define MGA_SECADDRESS_SECMOD_WRITE 0x00000000

#define MGA_SECADDRESS_SECMOD_BLIT 0x00000001

#define MGA_SECADDRESS_SECMOD_VECTOR 0x00000002

#define MGA_SECADDRESS_SECMOD_VERTEX 0x00000003

/* MGA Secondary DMA End Address 0x2c44 */

#define MGA_SECEND_MASK 0xfffffffc

#define MGA_SECEND_SAGPXFER 0x00000002

/* MGA Setup DMA Current Address 0x2cd0 */

#define MGA_SETUPADDRESS_MASK 0xfffffffc

#define MGA_SETUPADDRESS_SETUPMOD_MASK 0x00000003

#define MGA_SETUPADDRESS_SETUPMOD_SETUP 0x00000000

/* MGA Setup DMA End Address 0x2cd4 */

#define MGA_SETUPEND_MASK 0xfffffffc

#define MGA_SETUPEND_SETUPAGPXFER 0x00000002

/* MGA Sign 0x1c58 (wo), 0x1d58 (wo) */

#define MGA_SGN_ERRORINIT 0x80000000

#define MGA_SGN_BRKLEFT 0x00000100

#define MGA_SGN_SDXR 0x00000020

#define MGA_SGN_SDY 0x00000004

#define MGA_SGN_SDXL 0x00000002

#define MGA_SGN_SDYDXL 0x00000001

#define MGA_SGN_SCANLEFT 0x00000001

/* MGA Shifter Control 0x1c50 (wo), 0x1d50 (wo) */

#define MGA_SHIFT_STYLELEN_MASK 0x007f0000

#define MGA_SHIFT_STYLELEN_SHIFT 16

#define MGA_SHIFT_FUNOFF_MASK 0x003f0000

#define MGA_SHIFT_FUNOFF_SHIFT 16

#define MGA_SHIFT_FUNCNT_MASK 0x0000007f

#define MGA_SHIFT_Y_OFF_MASK 0x00000070

#define MGA_SHIFT_Y_OFF_SHIFT 4

#define MGA_SHIFT_X_OFF_MASK 0x0000000f

/* MGA Soft Trap Handle 0x2c48 */

#define MGA_SOFTRAP_MASK 0xfffffffc

/* MGA Specular Lighting Blue Start 0x2c98 */

/* MGA Specular Lighting Blue X Increment 0x2c9c */

/* MGA Specular Lighting Blue Y Increment 0x2ca0 */

/* MGA Specular Lighting Green Start 0x2c8c */

/* MGA Specular Lighting Green X Increment 0x2c90 */

/* MGA Specular Lighting Green Y Increment 0x2c94 */

/* MGA Specular Lighting Red Start 0x2c80 */

/* MGA Specular Lighting Red X Increment 0x2c84 */

/* MGA Specular Lighting Red Y Increment 0x2c88 */

#define MGA_SPECSTART_MASK 0x00ffffff

#define MGA_SPECXINC_MASK 0x00ffffff

#define MGA_SPECYINC_MASK 0x00ffffff

/* MGA Source 0 0x1c30 (wo), 0x1d30 (wo) */

/* MGA Source 1 0x1c34 (wo), 0x1d34 (wo) */

/* MGA Source 2 0x1c38 (wo), 0x1d38 (wo) */

/* MGA Source 3 0x1c3c (wo), 0x1d3c (wo) */

/* MGA Source Origin 0x2cb4 (wo) */

#define MGA_SRCORG_MASK 0xfffffff8

#define MGA_SRCORG_SRCACC 0x00000002

#define MGA_SRCORG_SRCMAP 0x00000001

/* MGA Status 0x1e14 */

#define MGA_STATUS_SWFLAG_MASK 0xf0000000

#define MGA_STATUS_SWFLAG_SHIFT 28

#define MGA_STATUS_WBUSY 0x00040000

#define MGA_STATUS_ENDPRDMASTS 0x00020000

#define MGA_STATUS_DSTENGSTS 0x00010000

#define MGA_STATUS_WCPEN 0x00000100

#define MGA_STATUS_WPEN 0x00000080

#define MGA_STATUS_EXTPEN 0x00000040

#define MGA_STATUS_VLINEPEN 0x00000020

#define MGA_STATUS_VSYNCPEN 0x00000010

#define MGA_STATUS_VSYNCSTS 0x00000008

#define MGA_STATUS_PICKPEN 0x00000004

#define MGA_STATUS_SOFTRAPEN 0x00000001

/* MGA Test 0 0x1e48 */

#define MGA_TEST0_BIOSBOOT 0x80000000

#define MGA_TEST0_RINGCNTCLKSL 0x40000000

#define MGA_TEST0_RINGCNT_MASK 0x3ffc0000

#define MGA_TEST0_RINGCNT_SHIFT 18

#define MGA_TEST0_RINGCNTEN 0x00020000

#define MGA_TEST0_TCLKSEL_MASK 0x0001c000

#define MGA_TEST0_TCLKSEL_PIXPLL 0x00000000

#define MGA_TEST0_TCLKSEL_PIXPLL_DIV4 0x00004000

#define MGA_TEST0_TCLKSEL_SYSPLL 0x00008000

#define MGA_TEST0_TCLKSEL_SYSPLL_DIV4 0x0000c000

#define MGA_TEST0_TCLKSEL_AGPPLL 0x00010000

#define MGA_TEST0_TCLKSEL_AGPPLL_DIV4 0x00014000

#define MGA_TEST0_TMODE_MASK 0x00003800

#define MGA_TEST0_TMODE_NORMAL 0x00000000

#define MGA_TEST0_TMODE_OBSERVE 0x00000800

#define MGA_TEST0_TMODE_SELFTEST 0x00001000

#define MGA_TEST0_HITEN 0x00000400

#define MGA_TEST0_APLLBYP 0x00000200

#define MGA_TEST0_RINGEN 0x00000100

#define MGA_TEST0_BESRAMTSTPASS 0x00000040

#define MGA_TEST0_LUTTSTPASS 0x00000020

#define MGA_TEST0_TLUTTSTPASS 0x00000010

#define MGA_TEST0_TCACHETSTPASS 0x00000008

#define MGA_TEST0_WRAMTSTPASS 0x00000004

#define MGA_TEST0_RAMTSTDONE 0x00000002

#define MGA_TEST0_RAMTSTEN 0x00000001

/* MGA Texture Border Color 0x2c5c (wo) */

/* MGA Texture Map Control 0x2c30 (wo) */

#define MGA_TEXCTL_ITRANS 0x80000000

#define MGA_TEXCTL_STRANS 0x40000000

#define MGA_TEXCTL_TMODULATE 0x20000000

#define MGA_TEXCTL_CLAMPU 0x10000000

#define MGA_TEXCTL_CLAMPV 0x08000000

#define MGA_TEXCTL_TAMASK 0x04000000

#define MGA_TEXCTL_TAKEY 0x02000000

#define MGA_TEXCTL_DECACLKEY 0x01000000

#define MGA_TEXCTL_AZEROEXTEND 0x00800000

#define MGA_TEXCTL_OWALPHA 0x00400000

#define MGA_TEXCTL_TPITCHEXT_MASK 0x000ffe00

#define MGA_TEXCTL_TPITCHEXT_SHIFT 9

#define MGA_TEXCTL_TPITCH_MASK 0x00070000

#define MGA_TEXCTL_TPITCH_SHIFT 16

#define MGA_TEXCTL_TPICHLIN 0x00000100

#define MGA_TEXCTL_PALSEL_MASK 0x00000070

#define MGA_TEXCTL_PALSEL_SHIFT 4

#define MGA_TEXCTL_TFORMAT_MASK 0x0000000f

#define MGA_TEXCTL_TFORMAT_TW4 0x00000000

#define MGA_TEXCTL_TFORMAT_TW8 0x00000001

#define MGA_TEXCTL_TFORMAT_TW15 0x00000002

#define MGA_TEXCTL_TFORMAT_TW16 0x00000003

#define MGA_TEXCTL_TFORMAT_TW12 0x00000004

#define MGA_TEXCTL_TFORMAT_TW32 0x00000006

#define MGA_TEXCTL_TFORMAT_TW422 0x0000000a

/* MGA Texture Map Control 2 0x2c3c (wo) */

#define MGA_TEXCTL2_SPECEN 0x00000040

#define MGA_TEXCTL2_BORDEREN 0x00000020

#define MGA_TEXCTL2_CKSTRANSDIS 0x00000010

#define MGA_TEXCTL2_DECALDIS 0x00000004

#define MGA_TEXCTL2_IDECAL 0x00000002

#define MGA_TEXCTL2_DECALBLEND 0x00000041

/* MGA Texture Filtering 0x2c58 (wo) */

#define MGA_TEXFILTER_MAPNB_MASK 0xe0000000

#define MGA_TEXFILTER_MAPNB_SHIFT 29

#define MGA_TEXFILTER_FTHRES_MASK 0x1fe00000

#define MGA_TEXFILTER_FTHRES_SHIFT 21

#define MGA_TEXFILTER_FILTERALPHA 0x00100000

#define MGA_TEXFILTER_AVGSTRIDE 0x00080000

#define MGA_TEXFILTER_MAGFILTER_MASK 0x000000f0

#define MGA_TEXFILTER_MAGFILTER_NEAREST 0x00000000

#define MGA_TEXFILTER_MAGFILTER_BILIN 0x00000020

#define MGA_TEXFILTER_MAGFILTER_CNST 0x00000030

#define MGA_TEXFILTER_MINFILTER_MASK 0x0000000f

#define MGA_TEXFILTER_MINFILTER_NEAREST 0x00000000

#define MGA_TEXFILTER_MINFILTER_BILIN 0x00000002

#define MGA_TEXFILTER_MINFILTER_CNST 0x00000003

#define MGA_TEXFILTER_MINFILTER_MM1S 0x00000008

#define MGA_TEXFILTER_MINFILTER_MM2S 0x00000009

#define MGA_TEXFILTER_MINFILTER_MM4S 0x0000000a

#define MGA_TEXFILTER_MINFILTER_MM8S 0x0000000c

/* MGA Texture Height 0x2c2c (wo) */

#define MGA_TEXHEIGHT_THMASK_MASK 0x1ffc0000

#define MGA_TEXHEIGHT_THMASK_SHIFT 18

#define MGA_TEXHEIGHT_RFH_MASK 0x00007e00

#define MGA_TEXHEIGHT_RFH_SHIFT 9

#define MGA_TEXHEIGHT_TH_MASK 0x0000003f

/* MGA Texture Origin 0x2c24 (wo) */

/* MGA Texture Origin 1 0x2ca4 (wo) */

/* MGA Texture Origin 2 0x2ca8 (wo) */

/* MGA Texture Origin 3 0x2cac (wo) */

/* MGA Texture Origin 4 0x2cb0 (wo) */

/* MGA Texture Transparency 0x2c34 (wo) */

#define MGA_TEXORG_MASK 0xffffffe0

#define MGA_TEXORG_SHIFT 5

#define MGA_TEXORG_TEXORGACC 0x00000002

#define MGA_TEXORG_TEXORGMAP 0x00000001

#define MGA_TEXTRANS_TKMASK_MASK 0xffff0000

#define MGA_TEXTRANS_TKMASK_SHIFT 16

#define MGA_TEXTRANS_TCKEY_MASK 0x0000ffff

/* MGA Texture Transparency High 0x2c38 (wo) */

#define MGA_TEXTRANSHIGH_TKMASKH_MASK 0xffff0000

#define MGA_TEXTRANSHIGH_TKMASKH_SHIFT 16

#define MGA_TEXTRANSHIGH_TCKEYH_MASK 0x0000ffff

/* MGA Texture Width 0x2c28 (wo) */

#define MGA_TEXWIDTH_TWMASK_MASK 0x1ffc0000

#define MGA_TEXWIDTH_TWMASK_SHIFT 18

#define MGA_TEXWIDTH_RFW_MASK 0x00007e00

#define MGA_TEXWIDTH_RFW_SHIFT 9

#define MGA_TEXWIDTH_TW_MASK 0x0000003f

/* MGA Texture Mapping ALU 0 0x2c00 (wo) */

/* MGA Texture Mapping ALU 1 0x2c04 (wo) */

/* MGA Texture Mapping ALU 2 0x2c08 (wo) */

/* MGA Texture Mapping ALU 3 0x2c0c (wo) */

/* MGA Texture Mapping ALU 4 0x2c10 (wo) */

/* MGA Texture Mapping ALU 5 0x2c14 (wo) */

/* MGA Texture Mapping ALU 6 0x2c18 (wo) */

/* MGA Texture Mapping ALU 7 0x2c1c (wo) */

/* MGA Texture Mapping ALU 8 0x2c20 (wo) */

/* MGA VBI Address Window 0 0x3e08 (wo) */

/* MGA VBI Address Window 1 0x3e0c (wo) */

#define MGA_VBIADDR_MASK 0x00ffffff

/* MGA Vertical Count 0x1e20 (ro) */

#define MGA_VCOUNT_MASK 0x00000fff

/* MGA Video Interrupt Clear 0x3e34 (wo) */

#define MGA_VICLEAR_DCMPEOIICLR 0x00000008

#define MGA_VICLEAR_BLVLIICLR 0x00000004

#define MGA_VICLEAR_CMDCMPLICLR 0x00000002

#define MGA_VICLEAR_VINVSYNCICLR 0x00000001

/* MGA Video Interrupt Enable 0x3e38 */

#define MGA_VIEN_DCMPEOIIEN 0x00000008

#define MGA_VIEN_BLVLIEN 0x00000004

#define MGA_VIEN_CMDCMPLIEN 0x00000002

#define MGA_VIEN_VINVSYNCIEN 0x00000001

/* MGA Video Input Address Window 0 0x3e10 (wo) */

/* MGA Video Input Address Window 1 0x3e14 (wo) */

#define MGA_VINADDR_MASK 0x00ffffff

/* MGA Video Input Control 0x3e1c (wo) */

#define MGA_VINCTL_RPVALIDEN 0x01000000

#define MGA_VINCTL_VBITASKEN 0x00010000

#define MGA_VINCTL_VBIF1CNT_MASK 0x0000f000

#define MGA_VINCTL_VBIF1CNT_SHIFT 12

#define MGA_VINCTL_VBIF0CNT_MASK 0x00000f00

#define MGA_VINCTL_VBIF0CNT_SHIFT 8

#define MGA_VINCTL_VINEN 0x00000001

/* MGA Video Input Control Window 0 0x3e00 (wo) */

/* MGA Video Input Control Window 1 0x3e04 (wo) */

#define MGA_VINCTL_VINPITCH_MASK 0x00000ff8

#define MGA_VINCTL_VINPITCH_SHIFT 3

#define MGA_VINCTL_VBICAP_MASK 0x00000006

#define MGA_VINCTL_VBICAP_NO 0x00000000

#define MGA_VINCTL_VBICAP_RAW 0x00000002

#define MGA_VINCTL_VBICAP_SLICED 0x00000006

#define MGA_VINCTL_VBICAP 0x00000001

/* MGA Video Input Next Window 0x3e18 (wo) */

#define MGA_VINNEXTWIN_AUTOVINNEXTWIN 0x00000002

#define MGA_VINNEXTWIN_VINNEXTWIN 0x00000001

/* MGA Video Status 0x3e30 (ro) */

#define MGA_VSTATUS_CODEC_STALLED 0x00001000

#define MGA_VSTATUS_SLCVBICAPD 0x00000800

#define MGA_VSTATUS_RAWVBICAPD 0x00000400

#define MGA_VSTATUS_VINCAPD 0x00000200

#define MGA_VSTATUS_VINFIELDDETD 0x00000100

#define MGA_VSTATUS_DCMPEOIPEN 0x00000008

#define MGA_VSTATUS_BLVLPEN 0x00000004

#define MGA_VSTATUS_CMDCMPLPEN 0x00000002

#define MGA_VSTATUS_VINVSYNCPEN 0x00000001

/* MGA WARP Microcode Address 0x1e6c (ro) */

#define MGA_WCODEADDR_MASK 0xffffff00

/* MGA WARP Flags 0x1dc4 (wo), 0x1e64 (wo) */

#define MGA_WFLAG_WPRGFLAG_MASK 0xffff0000

#define MGA_WFLAG_WALUCFGFLAG_MASK 0x0000ff00

#define MGA_WFLAG_WALUCFGFLAG_H 0x00004000

#define MGA_WFLAG_WALUCFGFLAG_M 0x00002000

#define MGA_WFLAG_WALUCFGFLAG_T 0x00001000

#define MGA_WFLAG_WALUCFGFLAG_U 0x00000800

#define MGA_WFLAG_WALUCFGFLAG_S 0x00000400

#define MGA_WFLAG_WALUCFGFLAG_R 0x00000200

#define MGA_WFLAG_WALUCFGFLAG_L 0x00000100

#define MGA_WFLAG_WALUSTSFLAG_MASK 0x000000ff

#define MGA_WFLAG_WALUSTSFLAG_H 0x00000040

#define MGA_WFLAG_WALUSTSFLAG_M 0x00000020

#define MGA_WFLAG_WALUSTSFLAG_T 0x00000010

#define MGA_WFLAG_WALUSTSFLAG_U 0x00000008

#define MGA_WFLAG_WALUSTSFLAG_S 0x00000004

#define MGA_WFLAG_WALUSTSFLAG_R 0x00000002

#define MGA_WFLAG_WALUSTSFLAG_L 0x00000001

/* MGA WARP GetMSB Value */

#define MGA_WGETMSB_WGETMSBMAX_MASK 0x00001f00

#define MGA_WGETMSB_WGETMSBMAX_SHIFT 8

#define MGA_WGETMSB_WGETMSBMIN_MASK 0x0000001f

/* MGA WARP Instruction Address 0x1dc0, 0x1e60 */

#define MGA_WIADDR_MASK 0xfffffff8

#define MGA_WIADDR_WAGP 0x00000004

#define MGA_WIADDR_WMODE_MASK 0x00000003

#define MGA_WIADDR_WMODE_SUSPEND 0x00000000

#define MGA_WIADDR_WMODE_RESUME 0x00000001

#define MGA_WIADDR_WMODE_JUMP 0x00000002

#define MGA_WIADDR_WMODE_START 0x00000003

/* MGA WARP Instruction Memory Address 0x1e68 (wo) */

#define MGA_WIMEMADDR_MASK 0x000000ff

/* MGA WARP Miscellaneous 0x1e70 */

#define MGA_WMISC_WCACHEFLUSH 0x00000008

#define MGA_WMISC_WMASTER 0x00000002

#define MGA_WMISC_WUCODECACHE 0x00000001

/* MGA WARP Vertex Size 0x1dcc (wo) */

#define MGA_WVRTXSZ_MASK 0x0000003f

/* MGA X Destination Address 0x1cb0 (wo), 0x1db0 (wo) */

#define MGA_XDST_MASK 0x0000ffff

/* MGA XY End Address 0x1c44 (wo), 0x1d44 (wo) */

#define MGA_XYEND_Y_END_MASK 0xffff0000

#define MGA_XYEND_Y_END_SHIFT 16

#define MGA_XYEND_X_END_MASK 0x0000ffff

/* MGA XY Start Address 0x1c40 (wo), 0x1d40 (wo) */

#define MGA_XYSTRT_Y_END_MASK 0xffff0000

#define MGA_XYSTRT_Y_END_SHIFT 16

#define MGA_XYSTRT_X_END_MASK 0x0000ffff

/* MGA Y Bottom Boundary 0x1c9c (wo), 0x1d9c (wo) */

#define MGA_YBOT_MASK 0x00ffffff

/* MGA Y Destination 0x1c90 (wo), 0x1d90 (wo) */

#define MGA_YDST_SELLIN_MASK 0xe0000000

#define MGA_YDST_SELLIN_SHIFT 29

#define MGA_YDST_MASK 0x007fffff

/* MGA Y Destination and Length 0x1c88 (wo), 0x1d88 (wo) */

#define MGA_YDSTLEN_YVAL_MASK 0xffff0000

#define MGA_YDSTLEN_YVAL_SHIFT 16

#define MGA_YDSTLEN_LENGTH_MASK 0x0000ffff

/* MGA Y Destination Origin 0x1c94 (wo), 0x1d94 (wo) */

#define MGA_YDSTORG_MASK 0x00ffffff

/* MGA Y Top Boundary 0x1c98 (wo), 0x1d98 (wo) */

#define MGA_YTOP_MASK 0x00ffffff

/* MGA Z-Depth Origin 0x1c0c (wo), 0x1d0c (wo) */

#define MGA_ZORG_MASK 0xfffffffc

#define MGA_ZORG_ZORGACC 0x00000002

#define MGA_ZORG_ZORGMAP 0x00000001

/* MGA DAC Cursor position 0x3c0c */

#define MGA_CURPOS_CURPOSY_MASK 0x0fff0000

#define MGA_CURPOS_CURPOSY_SHIFT 16

#define MGA_CURPOS_CURPOSX_MASK 0x00000fff

/* MGA DAC Palette Ram Data 0x3c01 */

/* MGA DAC Palette Ram Read Address 0x3c03 */

/* MGA DAC Palette Ram Write Address 0x3c00 */

/* MGA DAC Pixel Read Mask 0x3c02 */

/* MGA DAC Indexed Data 0x3c0a */

#define MGA_XDATA_XCURADDL 0x04

#define MGA_XDATA_XCURADDH 0x05

#define MGA_XDATA_XCURCTRL 0x06

#define MGA_XDATA_XCURCOL0RED 0x08

#define MGA_XDATA_XCURCOL0GREEN 0x09

#define MGA_XDATA_XCURCOL0BLUE 0x0a

#define MGA_XDATA_XCURCOL1RED 0x0c

#define MGA_XDATA_XCURCOL1GREEN 0x0d

#define MGA_XDATA_XCURCOL1BLUE 0x0e

#define MGA_XDATA_XCURCOL2RED 0x10

#define MGA_XDATA_XCURCOL2GREEN 0x11

#define MGA_XDATA_XCURCOL2BLUE 0x12

#define MGA_XDATA_XVREFCTRL 0x18

#define MGA_XDATA_XMULCTRL 0x19

#define MGA_XDATA_XPIXCLKCTRL 0x1a

#define MGA_XDATA_XGENCTRL 0x1d

#define MGA_XDATA_XMISCCTRL 0x1e

#define MGA_XDATA_XGENIOCTRL 0x2a

#define MGA_XDATA_XGENIODATA 0x2b

#define MGA_XDATA_XSYSPLLM 0x2c

#define MGA_XDATA_XSYSPLLN 0x2d

#define MGA_XDATA_XSYSPLLP 0x2e

#define MGA_XDATA_XSYSPLLSTAT 0x2f

#define MGA_XDATA_XZOOMCTRL 0x38

#define MGA_XDATA_XSENSETEST 0x3a

#define MGA_XDATA_XCRCREML 0x3c

#define MGA_XDATA_XCRCREMH 0x3d

#define MGA_XDATA_XCRCBITSEL 0x3e

#define MGA_XDATA_XCOLMSK 0x40

#define MGA_XDATA_XCOLKEY 0x42

#define MGA_XDATA_XPIXPLLAM 0x44

#define MGA_XDATA_XPIXPLLAN 0x45

#define MGA_XDATA_XPIXPLLAP 0x46

#define MGA_XDATA_XPIXPLLBM 0x48

#define MGA_XDATA_XPIXPLLBN 0x49

#define MGA_XDATA_XPIXPLLBP 0x4a

#define MGA_XDATA_XPIXPLLCM 0x4c

#define MGA_XDATA_XPIXPLLCN 0x4d

#define MGA_XDATA_XPIXPLLCP 0x4e

#define MGA_XDATA_XPIXPLLSTAT 0x4f

#define MGA_XDATA_XKEYOPMODE 0x51

#define MGA_XDATA_XCOLMSK0RED 0x52

#define MGA_XDATA_XCOLMSK0GREEN 0x53

#define MGA_XDATA_XCOLMSK0BLUE 0x54

#define MGA_XDATA_XCOLKEY0RED 0x55

#define MGA_XDATA_XCOLKEY0GREEN 0x56

#define MGA_XDATA_XCOLKEY0BLUE 0x57

#define MGA_XDATA_XCURCOL3RED 0x60

#define MGA_XDATA_XCURCOL3GREEN 0x61

#define MGA_XDATA_XCURCOL3BLUE 0x62

#define MGA_XDATA_XCURCOL4RED 0x63

#define MGA_XDATA_XCURCOL4GREEN 0x64

#define MGA_XDATA_XCURCOL4BLUE 0x65

#define MGA_XDATA_XCURCOL5RED 0x66

#define MGA_XDATA_XCURCOL5GREEN 0x67

#define MGA_XDATA_XCURCOL5BLUE 0x68

#define MGA_XDATA_XCURCOL6RED 0x69

#define MGA_XDATA_XCURCOL6GREEN 0x6a

#define MGA_XDATA_XCURCOL6BLUE 0x6b

#define MGA_XDATA_XCURCOL7RED 0x6c

#define MGA_XDATA_XCURCOL7GREEN 0x6d

#define MGA_XDATA_XCURCOL7BLUE 0x6e

#define MGA_XDATA_XCURCOL8RED 0x6f

#define MGA_XDATA_XCURCOL8GREEN 0x70

#define MGA_XDATA_XCURCOL8BLUE 0x71

#define MGA_XDATA_XCURCOL9RED 0x72

#define MGA_XDATA_XCURCOL9GREEN 0x73

#define MGA_XDATA_XCURCOL9BLUE 0x74

#define MGA_XDATA_XCURCOL10RED 0x75

#define MGA_XDATA_XCURCOL10GREEN 0x76

#define MGA_XDATA_XCURCOL10BLUE 0x77

#define MGA_XDATA_XCURCOL11RED 0x78

#define MGA_XDATA_XCURCOL11GREEN 0x79

#define MGA_XDATA_XCURCOL11BLUE 0x7a

#define MGA_XDATA_XCURCOL12RED 0x7b

#define MGA_XDATA_XCURCOL12GREEN 0x7c

#define MGA_XDATA_XCURCOL12BLUE 0x7d

#define MGA_XDATA_XCURCOL13RED 0x7e

#define MGA_XDATA_XCURCOL13GREEN 0x7f

#define MGA_XDATA_XCURCOL13BLUE 0x80

#define MGA_XDATA_XCURCOL14RED 0x81

#define MGA_XDATA_XCURCOL14GREEN 0x82

#define MGA_XDATA_XCURCOL14BLUE 0x83

#define MGA_XDATA_XCURCOL15RED 0x84

#define MGA_XDATA_XCURCOL15GREEN 0x85

#define MGA_XDATA_XCURCOL15BLUE 0x86

/* MGA I/O Registers */

#define MGAIO_ATTR_DATA 0x03c1

#define MGAIO_ATTR_INDEX 0x03c0

#define MGAIO_MONO_CRTC_DATA 0x03b5

#define MGAIO_MONO_CRTC_INDEX 0x03b4

#define MGAIO_COLOR_CRTC_DATA 0x03d5

#define MGAIO_COLOR_CRTC_INDEX 0x03d4

#define MGAIO_CRTCEXT_DATA 0x03df

#define MGAIO_CRTCEXT_INDEX 0x03de

#define MGAIO_DAC_STATUS 0x03c7

#define MGAIO_FEAT_READ 0x03ca

#define MGAIO_MONO_FEAT_WRITE 0x03ba

#define MGAIO_COLOR_FEAT_WRITE 0x03da

#define MGAIO_GCTL_DATA 0x03cf

#define MGAIO_GCTL_INDEX 0x03ce

#define MGAIO_INPUT_STATUS0 0x03c2

#define MGAIO_MONO_INPUT_STATUS1 0x03ba

#define MGAIO_COLOR_INPUT_STATUS1 0x03da

#define MGAIO_MISCOUT_READ 0x03cc

#define MGAIO_MISCOUT_WRITE 0x03c2

#define MGAIO_PALETTE_DATA 0x03c9

#define MGAIO_PALETTE_READ_ADDRESS 0x03c7

#define MGAIO_PALETTE_WRITE_ADDRESS 0x03c8

#define MGAIO_PIXEL_READ_MASK 0x03c6

#define MGAIO_SEQ_DATA 0x03c5

#define MGAIO_SEQ_INDEX 0x03c4

#define MGA_ATTR_INDEX 0x1fc0

#define MGA_ATTR_DATA 0x1fc1

#define MGA_CACHEFLUSH 0x1fff

#define MGA_CRTC_INDEX 0x1fd4

#define MGA_CRTC_DATA 0x1fd5

#define MGA_CRTCEXT_DATA 0x1fdf

#define MGA_CRTCEXT_INDEX 0x1fde

#define MGA_CURPOSXL 0x3c0c

#define MGA_CURPOSXH 0x3c0d

#define MGA_CURPOSYL 0x3c0e

#define MGA_CURPOSYH 0x3c0f

#define MGA_DACSTATUS 0x1fc7

#define MGA_FEAT_READ 0x1fca

#define MGA_FEAT_WRITE 0x1fda

#define MGA_GCTL_DATA 0x1fcf

#define MGA_GCTL_INDEX 0x1fce

#define MGA_INSTS0 0x1fc2

#define MGA_INSTS1 0x1fda

#define MGA_MISCOUT_READ 0x1fcc

#define MGA_MISCOUT_WRITE 0x1fc2

#define MGA_SEQ_DATA 0x1fc5

#define MGA_SEQ_INDEX 0x1fc4

#define MGA_PALDATA 0x3c01

#define MGA_PALRDADD 0x3c03

#define MGA_PALWTADD 0x3c00

#define MGA_PIXRDMSK 0x3c02

#define MGA_X_DATAREG 0x3c0a

/* MGA I/O Attribute Controller Index 0x03c0 */

#define MGA_ATTR_PAS 0x20

#define MGA_ATTR_INDEX_MASK 0x1f

#define MGA_ATTR_INDEX_COUNT 0x20

#define MGA_ATTR_PALETTE_ENTRY_0 0x00

#define MGA_ATTR_PALETTE_ENTRY_1 0x01

#define MGA_ATTR_PALETTE_ENTRY_2 0x02

#define MGA_ATTR_PALETTE_ENTRY_3 0x03

#define MGA_ATTR_PALETTE_ENTRY_4 0x04

#define MGA_ATTR_PALETTE_ENTRY_5 0x05

#define MGA_ATTR_PALETTE_ENTRY_6 0x06

#define MGA_ATTR_PALETTE_ENTRY_7 0x07

#define MGA_ATTR_PALETTE_ENTRY_8 0x08

#define MGA_ATTR_PALETTE_ENTRY_9 0x09

#define MGA_ATTR_PALETTE_ENTRY_A 0x0a

#define MGA_ATTR_PALETTE_ENTRY_B 0x0b

#define MGA_ATTR_PALETTE_ENTRY_C 0x0c

#define MGA_ATTR_PALETTE_ENTRY_D 0x0d

#define MGA_ATTR_PALETTE_ENTRY_E 0x0e

#define MGA_ATTR_PALETTE_ENTRY_F 0x0f

#define MGA_ATTR_MODE_CONTROL 0x10

#define MGA_ATTR_OVERSCAN_COLOR 0x11

#define MGA_ATTR_COLOR_PLANE_ENABLE 0x12

#define MGA_ATTR_HORIZ_PEL_PANNING 0x13

#define MGA_ATTR_COLOR_SELECT 0x14

/* MGA I/O ATTR00 - ATTR0F Attribute Palette */

#define MGA_ATTR_PALET_DATA_MASK 0x3f

/* MGA I/O ATTR10 Attribute Mode Control */

#define MGA_ATTR_MODE_CTRL_P5P4 0x80

#define MGA_ATTR_MODE_CTRL_PELWIDTH 0x40

#define MGA_ATTR_MODE_CTRL_PANCOMP 0x20

#define MGA_ATTR_MODE_CTRL_BLINKEN 0x08

#define MGA_ATTR_MODE_CTRL_LGREN 0x04

#define MGA_ATTR_MODE_CTRL_MONO 0x02

#define MGA_ATTR_MODE_CTRL_ATCGRMODE 0x01

/* MGA I/O ATTR11 Overscan Color */

/* MGA I/O ATTR12 Color Plane Enable */

#define MGA_ATTR_COLOR_PLANE_VIDSTMX 0x30

#define MGA_ATTR_COLOR_PLANE_VIDSTMX_SHIFT 4

#define MGA_ATTR_COLOR_PLANE_COLPLEN 0x0f

/* MGA I/O ATTR13 Horizontal Pel Panning */

#define MGA_ATTR_HORIZ_PEL_HPELCNT 0x0f

/* MGA I/O ATTR14 Color Select */

#define MGA_ATTR_COLOR_SELECT_COLSEL76 0x0c

#define MGA_ATTR_COLOR_SELECT_COLSEL76_SHIFT 2

#define MGA_ATTR_COLOR_SELECT_COLSEL54 0x03

/* MGA I/O CRTC Registers 0x03[bd]4 */

#define MGA_CRTC_INDEX_MASK 0x3f

#define MGA_CRTC_INDEX_COUNT 0x40

#define MGA_CRTC_HORIZ_TOTAL 0x00

#define MGA_CRTC_HORIZ_DISPLAY_END 0x01

#define MGA_CRTC_START_HORIZ_BLANK 0x02

#define MGA_CRTC_END_HORIZ_BLANK 0x03

#define MGA_CRTC_START_HORIZ_RETRACE 0x04

#define MGA_CRTC_END_HORIZ_RETRACE 0x05

#define MGA_CRTC_VERT_TOTAL 0x06

#define MGA_CRTC_OVERFLOW 0x07

#define MGA_CRTC_PRESET_ROW_SCAN 0x08

#define MGA_CRTC_MAXIMUM_SCAN_LINE 0x09

#define MGA_CRTC_CURSOR_START 0x0a

#define MGA_CRTC_CURSOR_END 0x0b

#define MGA_CRTC_START_ADDR_HIGH 0x0c

#define MGA_CRTC_START_ADDR_LOW 0x0d

#define MGA_CRTC_CURSOR_LOC_HIGH 0x0e

#define MGA_CRTC_CURSOR_LOC_LOW 0x0f

#define MGA_CRTC_VERT_RETRACE_START 0x10

#define MGA_CRTC_VERT_RETRACE_END 0x11

#define MGA_CRTC_VERT_DISPLAY_END 0x12

#define MGA_CRTC_OFFSET 0x13

#define MGA_CRTC_UNDERLINE_LOCATION 0x14

#define MGA_CRTC_START_VERT_BLANK 0x15

#define MGA_CRTC_END_VERT_BLANK 0x16

#define MGA_CRTC_MODE_CONTROL 0x17

#define MGA_CRTC_LINE_COMPARE 0x18

#define MGA_CRTC_CPU_READ_LATCH 0x22

#define MGA_CRTC_ATTR_SELECT 0x24

#define MGA_CRTC_ATTR_ADDRESS 0x26

/* MGA I/O CRTC0 Horizontal Total */

/* MGA I/O CRTC1 Horizontal Display Enable End */

/* MGA I/O CRTC2 Start Horizontal Blanking */

/* MGA I/O CRTC3 End Horizontal Blanking */

#define MGA_CRTC_END_HBLANK_COMPAT_READ 0x80

#define MGA_CRTC_END_HBLANK_HDISPSKEW 0x60

#define MGA_CRTC_END_HBLANK_HDISKSKEW_SHIFT 6

#define MGA_CRTC_END_HBLANK_HBLKEND 0x1f

/* MGA I/I CRTC4 Start Horizontal Retrace Pulse */

/* MGA I/O CRTC5 End Horizontal Retrace */

#define MGA_CRTC_END_HRETRACE_HBLKEND5 0x80

#define MGA_CRTC_END_HRETRACE_HBLKEND5_SHIFT 7

#define MGA_CRTC_END_HRETRACE_HSYNCDEL 0x60

#define MGA_CRTC_END_HRETRACE_HSYNCDEL_SHIFT 4

#define MGA_CRTC_END_HRETRACE_HSYNCEND 0x1f

/* MGA I/O CRTC6 Vertical Total */

/* MGA I/O CRTC7 Overflow */

#define MGA_CRTC_OVERFLOW_VSYNCSTR9 0x80

#define MGA_CRTC_OVERFLOW_VSYNCSTR9_SHIFT 7

#define MGA_CRTC_OVERFLOW_VDISPEND9 0x40

#define MGA_CRTC_OVERFLOW_VDISPEND9_SHIFT 6

#define MGA_CRTC_OVERFLOW_VTOTAL9 0x20

#define MGA_CRTC_OVERFLOW_VTOTAL9_SHIFT 5

#define MGA_CRTC_OVERFLOW_LINECOMP8 0x10

#define MGA_CRTC_OVERFLOW_LINECOMP8_SHIFT 4

#define MGA_CRTC_OVERFLOW_VBLKSTR8 0x08

#define MGA_CRTC_OVERFLOW_VBLKSTR8_SHIFT 3

#define MGA_CRTC_OVERFLOW_VSYNCSTR8 0x04

#define MGA_CRTC_OVERFLOW_VSYNCSTR8_SHIFT 2

#define MGA_CRTC_OVERFLOW_VDISPEND8 0x02

#define MGA_CRTC_OVERFLOW_VDISPEND8_SHIFT 1

#define MGA_CRTC_OVERFLOW_VTOTAL8 0x01

/* MGA I/O CRTC8 Preset Row Scan */

#define MGA_CRTC_PRESET_ROW_BYTEPAN 0x60

#define MGA_CRTC_PRESET_ROW_BYTEPAN_SHIFT 5

#define MGA_CRTC_PRESET_ROW_PROWSCAN 0x1f

/* MGA I/O CRTC9 Maximum Scan Line */

#define MGA_CRTC_MAX_SCAN_LINE_CONV2T4 0x80

#define MGA_CRTC_MAX_SCAN_LINE_LINECOMP9 0x40

#define MGA_CRTC_MAX_SCAN_LINE_LINECOMP9_SHIFT 6

#define MGA_CRTC_MAX_SCAN_LINE_VBLKSTR9 0x20

#define MGA_CRTC_MAX_SCAN_LINE_VBLKSTR9_SHIFT 5

#define MGA_CRTC_MAX_SCAN_LINE_MAXSCAN 0x1f

/* MGA I/O CRTCA Cursor Start */

#define MGA_CRTC_CURSOR_START_CUROFF 0x20

#define MGA_CRTC_CURSOR_START_CURROWSTR 0x1f

/* MGA I/O CRTCB Cursor End */

#define MGA_CRTC_CURSOR_END_CURSKEW 0x60

#define MGA_CRTC_CURSOR_END_CURSKEW_SHIFT 5

#define MGA_CRTC_CURSOR_END_CURROWEND 0x1f

/* MGA I/O CRTCC Start Address High */

/* MGA I/O CRTCD Start Address Low */

/* MGA I/O CRTCE Cursor Location High */

/* MGA I/O CRTCF Cursor Location Low */

/* MGA I/O CRTC10 Vertical Retrace Start */

/* MGA I/O CRTC11 Vertical Retrace End */

#define MGA_CRTC_VRETRACE_END_CRTCPROTECT 0x80

#define MGA_CRTC_VRETRACE_END_SEL5RFS 0x40

#define MGA_CRTC_VRETRACE_END_VINTEN 0x20

#define MGA_CRTC_VRETRACE_END_VINTCLR 0x10

#define MGA_CRTC_VRETRACE_END_VSYNCEND 0x0f

/* MGA I/O CRTC12 Vertical Display Enable End */

/* MGA I/O CRTC13 Offset */

/* MGA I/O CRTC14 Underline Location */

#define MGA_CRTC_UNDER_LOC_DWORD 0x40

#define MGA_CRTC_UNDER_LOC_COUNT4 0x20

#define MGA_CRTC_UNDER_LOC_UNDROW 0x1f

/* MGA I/O CRTC15 Start Vertical Blank */

/* MGA I/O CRTC16 End Vertical Blank */

/* MGA I/O CRTC17 CRTC Mode Control */

#define MGA_CRTC_MODE_CTRL_CRTCRSTN 0x80

#define MGA_CRTC_MODE_CTRL_WBMODE 0x40

#define MGA_CRTC_MODE_CTRL_ADDWRAP 0x20

#define MGA_CRTC_MODE_CTRL_COUNT2 0x08

#define MGA_CRTC_MODE_CTRL_HSYNCSEL 0x04

#define MGA_CRTC_MODE_CTRL_SELROWCAN 0x02

#define MGA_CRTC_MODE_CTRL_CMS 0x01

/* MGA I/O CRTC18 Line Compare */

/* MGA I/O CRTC22 Cpu Read Latch */

/* MGA I/O CRTC24 Attributes Address/Data Select */

#define MGA_CRTC_ATTR_SELECT_ATTRADSEL 0x80

/* MGA I/O CRTC26 Attributes Address */

#define MGA_CRTC_ATTR_ADDR_PAS 0x20

#define MGA_CRTC_ATTR_ADDR_ATTRX 0x1f

/* MGA I/O CRTCEXT Registers 0x03de */

#define MGA_CRTCEXT_INDEX_MASK 0x07

#define MGA_CRTCEXT_INDEX_COUNT 0x08

#define MGA_CRTCEXT_ADDR_GEN_EXT 0x00

#define MGA_CRTCEXT_HOR_COUNT_EXT 0x01

#define MGA_CRTCEXT_VERT_COUNT_EXT 0x02

#define MGA_CRTCEXT_MISC 0x03

#define MGA_CRTCEXT_MEM_PAGE 0x04

#define MGA_CRTCEXT_HOR_VIDEO_HALF 0x05

#define MGA_CRTCEXT_PRIORITY_REQ 0x06

#define MGA_CRTCEXT_REQ_CONTROL 0x07

/* MGA I/O CRTCEXT0 Address Generator Extensions */

#define MGA_CRTCEXT_ADDR_GEN_INTERLACE 0x80

#define MGA_CRTCEXT_ADDR_GEN_STARTADD20 0x40

#define MGA_CRTCEXT_ADDR_GEN_STARTADD20_SHIFT 6

#define MGA_CRTCEXT_ADDR_GEN_OFFSET9 0x20

#define MGA_CRTCEXT_ADDR_GEN_OFFSET8 0x10

#define MGA_CRTCEXT_ADDR_GEN_OFFSET8_9 0x30

#define MGA_CRTCEXT_ADDR_GEN_OFFSET8_9_SHIFT 4

#define MGA_CRTCEXT_ADDR_GEN_STARTADD19 0x08

#define MGA_CRTCEXT_ADDR_GEN_STARTADD18 0x04

#define MGA_CRTCEXT_ADDR_GEN_STARTADD17 0x02

#define MGA_CRTCEXT_ADDR_GEN_STARTADD16 0x01

#define MGA_CRTCEXT_ADDR_GEN_STARTADD16_19 0x0f

/* MGA I/O CRTCEXT1 Horizontal Counter Extensions */

#define MGA_CRTCEXT_HCOUNT_VRSTEN 0x80

#define MGA_CRTCEXT_HCOUNT_HBLKEND6 0x40

#define MGA_CRTCEXT_HCOUNT_HBLKEND6_SHIFT 6

#define MGA_CRTCEXT_HCOUNT_VSYNCOFF 0x20

#define MGA_CRTCEXT_HCOUNT_HSYNCOFF 0x10

#define MGA_CRTCEXT_HCOUNT_HRSTEN 0x08

#define MGA_CRTCEXT_HCOUNT_HSYNCSTR8 0x04

#define MGA_CRTCEXT_HCOUNT_HSYNCSTR8_SHIFT 2

#define MGA_CRTCEXT_HCOUNT_HBLKSTR8 0x02

#define MGA_CRTCEXT_HCOUNT_HBLKSTR8_SHIFT 1

#define MGA_CRTCEXT_HCOUNT_HTOTAL8 0x01

/* MGA I/O CRTCEXT2 Vertical Counter Extensions */

#define MGA_CRTCEXT_VCOUNT_LINECOMP10 0x80

#define MGA_CRTCEXT_VCOUNT_LINECOMP10_SHIFT 7

#define MGA_CRTCEXT_VCOUNT_VSYNCSTR11 0x40

#define MGA_CRTCEXT_VCOUNT_VSYNCSTR10 0x20

#define MGA_CRTCEXT_VCOUNT_VSYNCSTR10_11 0x60

#define MGA_CRTCEXT_VCOUNT_VSYNCSTR10_11_SHIFT 5

#define MGA_CRTCEXT_VCOUNT_VBLKSTR11 0x10

#define MGA_CRTCEXT_VCOUNT_VBLKSTR10 0x08

#define MGA_CRTCEXT_VCOUNT_VBLKSTR10_11 0x18

#define MGA_CRTCEXT_VCOUNT_VBLKSTR10_11_SHIFT 3

#define MGA_CRTCEXT_VCOUNT_VDISPEND10 0x04

#define MGA_CRTCEXT_VCOUNT_VDISPEND10_SHIFT 2

#define MGA_CRTCEXT_VCOUNT_VTOTAL11 0x02

#define MGA_CRTCEXT_VCOUNT_VTOTAL10 0x01

#define MGA_CRTCEXT_VCOUNT_VTOTAL10_11 0x03

/* MGA I/O CRTCEXT3 Miscellaneous */

#define MGA_CRTCEXT_MISC_MGAMODE 0x80

#define MGA_CRTCEXT_MISC_CSYNCEN 0x40

#define MGA_CRTCEXT_MISC_SLOW256 0x20

#define MGA_CRTCEXT_MISC_SCALE_MASK 0x07

#define MGA_CRTCEXT_MISC_SCALE_1 0x00

#define MGA_CRTCEXT_MISC_SCALE_2 0x01

#define MGA_CRTCEXT_MISC_SCALE_3 0x02

#define MGA_CRTCEXT_MISC_SCALE_4 0x03

#define MGA_CRTCEXT_MISC_SCALE_6 0x05

#define MGA_CRTCEXT_MISC_SCALE_8 0x07

/* MGA I/O CRTCEXT4 Memory Page */

/* MGA I/O CRTCEXT5 Horizontal Video Half Count */

/* MGA I/O CRTCEXT6 Priority Request Control */

#define MGA_CRTCEXT_PRI_REQ_MAXHIPRI 0x70

#define MGA_CRTCEXT_PRI_REQ_MAXHIPRI_SHIFT 4

#define MGA_CRTCEXT_PRI_REQ_MAXHIPRI_OFFSET 1

#define MGA_CRTCEXT_PRI_REQ_HIPRILVL 0x07

#define MGA_CRTCEXT_PRI_REQ_HIPRILVL_OFFSET 1

/* MGA I/O CRTCEXT7 Request Control */

#define MGA_CRTCEXT_REQ_CTRL_MTXECOGENSTS1 0x80

#define MGA_CRTCEXT_REQ_CTRL_MTXECOGENSTS2 0x40

#define MGA_CRTCEXT_REQ_CTRL_CRTCBLK0 0x01

/* MGA I/O DAC Status 0x03c7 */

#define MGA_DACSTAT_DSTS_MASK 0x03

#define MGA_DACSTAT_DSTS_WRITE 0x00

#define MGA_DACSTAT_DSTS_READ 0x03

/* MGA I/O Feature Control 0x03ca (read), 0x03[bd]a (write) */

#define MGA_FEATCONT_FEATCB1 0x02

#define MGA_FEATCONT_FEATCB0 0x01

/* MGA I/O Graphics Controller 0x03ce */

#define MGA_GCTL_INDEX_MASK 0x0f

#define MGA_GCTL_INDEX_COUNT 0x10

#define MGA_GCTL_SET_RESET 0x00

#define MGA_GCTL_ENABLE_SET_RESET 0x01

#define MGA_GCTL_COLOR_COMPARE 0x02

#define MGA_GCTL_DATA_ROTATE 0x03

#define MGA_GCTL_READ_MAP_SELECT 0x04

#define MGA_GCTL_GRAPHIC_MODE 0x05

#define MGA_GCTL_MISCELLANEOUS 0x06

#define MGA_GCTL_COLOR_DONT_CARE 0x07

#define MGA_GCTL_BIT_MASK 0x08

/* MGA I/O GCTL0 Graphics Controller Set/Reset */

#define MGA_GCTL_SET_RESET_SETRST 0x0f

/* MGA I/O GCTL1 Graphics Controller Enable Set/Reset */

#define MGA_GCTL_ENABLE_SET_RESET_SETRSTEN 0x0f

/* MGA I/O GCTL2 Color Compare */

#define MGA_GCTL_COLOR_COMPARE_REFCOL 0x0f

/* MGA I/O GCTL3 Data Rotate */

#define MGA_GCTL_DATAROT_FUNSEL_MASK 0x18

#define MGA_GCTL_DATAROT_FUNSEL_SOURCE 0x00

#define MGA_GCTL_DATAROT_FUNSEL_AND 0x08

#define MGA_GCTL_DATAROT_FUNSEL_OR 0x10

#define MGA_GCTL_DATAROT_FUNSEL_XOR 0x18

#define MGA_GCTL_DATAROT_ROT 0x07

/* MGA I/O GCTL4 Read Map Select */

#define MGA_GCTL_READMAP_RDMAPSL 0x03

/* MGA I/O GCTL5 Graphics Mode */

#define MGA_GCTL_GRMODE_MODE256 0x40

#define MGA_GCTL_GRMODE_SRINTMD 0x20

#define MGA_GCTL_GRMODE_GCODDEVMD 0x10

#define MGA_GCTL_GRMODE_RDMODE 0x08

#define MGA_GCTL_GRMODE_WRMODE_MASK 0x03

#define MGA_GCTL_GRMODE_WRMODE_ROTATED 0x00

#define MGA_GCTL_GRMODE_WRMODE_DIRECT 0x01

#define MGA_GCTL_GRMODE_WRMODE_REPLICATED 0x02

#define MGA_GCTL_GRMODE_WRMODE_EXPANDED 0x03

/* MGA I/O GCTRL6 Miscellaneous */

#define MGA_GCTL_MISC_MEMMAPSL_MASK 0x0c

#define MGA_GCTL_MISC_MEMMAPSL_A0000_BF000 0x00

#define MGA_GCTL_MISC_MEMMAPSL_A0000_AF000 0x04

#define MGA_GCTL_MISC_MEMMAPSL_B0000_B7000 0x08

#define MGA_GCTL_MISC_MEMMAPSL_B8000_BF000 0x0c

#define MGA_GCTL_MISC_CHAIN 0x02

#define MGA_GCTL_MISC_GCGRMODE 0x01

/* MGA I/O GCTRL7 Color Don't Care */

#define MGA_GCTL_COLDC_COLCOMPEN 0x0f

/* MGA I/O GCRTL8 Bit Mask */

/* MGA I/O Input Status 0 0x03c2 (Read) */

#define MGA_INPSTAT0_CRTCINTCRT 0x80

#define MGA_INPSTAT0_FEATIN0_1 0x60

#define MGA_INPSTAT0_FEATIN1 0x40

#define MGA_INPSTAT0_FEATIN0 0x20

#define MGA_INPSTAT0_SWITCHSNS 0x10

/* MGA I/O Input Status 1 0x03[bd]a */

#define MGA_INPSTAT1_DIAG_MASK 0x30

#define MGA_INPSTAT1_VRETRACE 0x08

#define MGA_INPSTAT1_HRETRACE 0x01

/* MGA I/O Miscellaneous Output 0x03c2 (Write), 0x03cc (Read) */

#define MGA_MISCOUT_VSYNCPOL 0x80

#define MGA_MISCOUT_HSYNCPOL 0x40

#define MGA_MISCOUT_HPGODDEV 0x20

#define MGA_MISCOUT_CLKSEL_MASK 0x0c

#define MGA_MISCOUT_CLKSEL_25MHZ 0x00

#define MGA_MISCOUT_CLKSEL_28MHZ 0x04

#define MGA_MISCOUT_CLKSEL_MGAPIXEL0 0x08

#define MGA_MISCOUT_CLKSEL_MGAPIXEL1 0x0c

#define MGA_MISCOUT_RAMMAPEN 0x02

#define MGA_MISCOUT_IOADDSEL 0x01

/* MGA I/O Sequencer Registers 0x03c4 */

#define MGA_SEQ_INDEX_MASK 0x07

#define MGA_SEQ_INDEX_COUNT 0x08

#define MGA_SEQ_RESET 0x00

#define MGA_SEQ_CLOCKING_MODE 0x01

#define MGA_SEQ_MAP_MASK 0x02

#define MGA_SEQ_CHARACTER_MAP_SELECT 0x03

#define MGA_SEQ_MEMORY_MODE 0x04

/* MGA I/O SEQ0 Reset */

#define MGA_SEQ_RESET_SYNCRST 0x02

#define MGA_SEQ_RESET_ASYNCRST 0x01

/* MGA I/O SEQ1 Clocking Mode */

#define MGA_SEQ_CLOCK_MODE_SCROFF 0x20

#define MGA_SEQ_CLOCK_MODE_SHIFTFOUR 0x10

#define MGA_SEQ_CLOCK_MODE_DOTCLKRT 0x08

#define MGA_SEQ_CLOCK_MODE_SHFTLDRT 0x04

#define MGA_SEQ_CLOCK_MODE_DOTMODE 0x01

/* MGA I/O SEQ2 Map Mask */

#define MGA_SEQ_MAP_MASK_PLWREN 0x0f

/* MGA I/O SEQ3 Character Map Select */

#define MGA_SEQ_CHARMAP_MAPASEL2 0x20

#define MGA_SEQ_CHARMAP_MAPASEL2_SHIFT 5

#define MGA_SEQ_CHARMAP_MAPBSEL2 0x10

#define MGA_SEQ_CHARMAP_MAPBSEL2_SHIFT 4

#define MGA_SEQ_CHARMAP_MAPASEL0_1 0x0c

#define MGA_SEQ_CHARMAP_MAPASEL0_1_SHIFT 2

#define MGA_SEQ_CHARMAP_MAPBSEL0_1 0x03

/* MGA I/O SEQ4 Memory Mode */

#define MGA_SEQ_MEMMODE_CHAIN4 0x08

#define MGA_SEQ_MEMMODE_SEQODDEVMD 0x04

#define MGA_SEQ_MEMMODE_MEMSZ256 0x02

/* MGA DAC Color Key 0x42 */

/* MGA DAC Color Key 0 r/g/b 0x55, 0x56, 0x57 */

/* MGA DAC Color Key Mask 0x40 */

/* MGA DAC Color Mask 0 r/g/b 0x52, 0x53, 0x54 */

/* MGA DAC CRC Bit Select 0x3e */

#define MGA_XCRCBITSEL_CRCSEL_MASK 0x1f

#define MGA_XCRCBITSEL_BLUE_BASE 0x00

#define MGA_XCRCBITSEL_GREEN_BASE 0x08

#define MGA_XCRCBITSEL_RED_BASE 0x10

/* MGA DAC CRC Remainder High 0x3d */

/* MGA DAC CRC Remainder Low 0x3c */

/* MGA DAC Cursor Base Address High 0x05 */

#define MGA_XCURADDH_MASK 0x3f

/* MGA DAC Cursor Base Address Low 0x04 */

#define MGA_XCURADDR_SHIFT 10

/* MGA DAC Cursor Color 0 r/g/b 0x08, 0x09, 0x0a */

/* MGA DAC Cursor Color 1 r/g/b 0x0c, 0x0d, 0x0e */

/* MGA DAC Cursor Color 2 r/g/b 0x10, 0x11, 0x12 */

/* MGA DAC Cursor Color 3 r/g/b 0x60, 0x61, 0x62 */

/* MGA DAC Cursor Color 4 r/g/b 0x63, 0x64, 0x65 */

/* MGA DAC Cursor Color 5 r/g/b 0x66, 0x67, 0x68 */

/* MGA DAC Cursor Color 6 r/g/b 0x69, 0x6a, 0x6b */

/* MGA DAC Cursor Color 7 r/g/b 0x6c, 0x6d, 0x6e */

/* MGA DAC Cursor Color 8 r/g/b 0x6f, 0x70, 0x71 */

/* MGA DAC Cursor Color 9 r/g/b 0x72, 0x73, 0x74 */

/* MGA DAC Cursor Color 10 r/g/b 0x75, 0x76, 0x77 */

/* MGA DAC Cursor Color 11 r/g/b 0x78, 0x79, 0x7a */

/* MGA DAC Cursor Color 12 r/g/b 0x7b, 0x7c, 0x7d */

/* MGA DAC Cursor Color 13 r/g/b 0x7e, 0x7f, 0x80 */

/* MGA DAC Cursor Color 14 r/g/b 0x81, 0x82, 0x83 */

/* MGA DAC Cursor Color 15 r/g/b 0x84, 0x85, 0x86 */

/* MGA DAC Cursor Control 0x06 */

#define MGA_XCURCTRL_CURMODE_MASK 0x07

#define MGA_XCURCTRL_CURMODE_DISABLED 0x00

#define MGA_XCURCTRL_CURMODE_THREE_COLOR 0x01

#define MGA_XCURCTRL_CURMODE_XGA 0x02

#define MGA_XCURCTRL_CURMODE_XWINDOWS 0x03

#define MGA_XCURCTRL_CURMODE_PALETTIZED 0x04

/* MGA DAC General Control 0x1d */

#define MGA_XGENCTRL_IOGSYNCDIS 0x20

#define MGA_XGENCTRL_PEDON 0x10

#define MGA_XGENCTRL_ALPHAEN 0x02

/* MGA DAC General Purpose I/O Control 0x2a */

#define MGA_XGENIOCTRL_MISCOE_MASK 0x70

#define MGA_XGENIOCTRL_MISCOE_SHIFT 4

#define MGA_XGENIOCTRL_DDCOE_MASK 0x0f

/* MGA DAC General Purpose I/O Data 0x2b */

#define MGA_XGENIODATA_MISCDATA_MASK 0x70

#define MGA_XGENIODATA_MISCDATA_SHIFT 4

#define MGA_XGENIODATA_DDCDATA_MASK 0x0f

/* MGA DAC Keying Operating Mode 0x51 */

#define MGA_XKEYOPMODE_COLKEYEN0 0x01

/* MGA DAC Miscellaneous Control 0x1e */

#define MGA_XMISCCTRL_VDOUTSEL_MASK 0x60

#define MGA_XMISCCTRL_VDOUTSEL_PIXEL 0x00

#define MGA_XMISCCTRL_VDOUTSEL_BYTE 0x40

#define MGA_XMISCCTRL_RAMCS 0x10

#define MGA_XMISCCTRL_VGA8DAC 0x08

#define MGA_XMISCCTRL_MFCSEL_MASK 0x06

#define MGA_XMISCCTRL_MFCSEL_MAFC 0x02

#define MGA_XMISCCTRL_MFCSEL_PANEL_LINK 0x04

#define MGA_XMISCCTRL_MFCSEL_DISABLE 0x06