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linux/drivers/gpu/drm/mgag200/mgag200_reg.h
Thomas Zimmermann 147696720e drm/mgag200: Select clock in PLL update functions 
Put the clock-selection code into each of the PLL-update functions to
make them select the correct pixel clock. Instead of copying the code,
introduce a new helper WREG_MISC_MASKED, which does masked writes into
<MISC>. Use it from each individual PLL update function.

The pixel clock for video output was not actually set before programming
the clock's values. It worked because the device had the correct clock
pre-set.

v2:
	* don't duplicate <MISC> update code (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: db05f8d3dc ("drm/mgag200: Split MISC register update into PLL selection, SYNC and I/O")
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Emil Velikov <emil.velikov@collabora.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.9+
Link: https://patchwork.freedesktop.org/patch/msgid/20210714142240.21979-2-tzimmermann@suse.de
2021-08-08 20:13:10 +02:00

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/* 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_CLKSEL_MASK GENMASK(3, 2)
#define MGAREG_MISC_CLKSEL_VGA25 (0x0 << 2)
#define MGAREG_MISC_CLKSEL_VGA28 (0x1 << 2)
#define MGAREG_MISC_CLKSEL_MGA (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
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