sis_dac.h revision 72b676d7 
1/* $XFree86$ */
2/* $XdotOrg$ */
3/*
4 * DAC helper functions (Save/Restore, MemClk, etc)
5 * Definitions and prototypes
6 *
7 * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1) Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2) Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3) The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33int  SiS_compute_vclk(int Clock, int *out_n, int *out_dn, int *out_div,
34	     		int *out_sbit, int *out_scale);
35void SISDACPreInit(ScrnInfoPtr pScrn);
36void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
37		        LOCO *colors, VisualPtr pVisual);
38void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
39                        unsigned int *vclk);
40void SiSIODump(ScrnInfoPtr pScrn);
41int  SiSMemBandWidth(ScrnInfoPtr pScrn, Bool IsForCRT2);
42int  SiSMclk(SISPtr pSiS);
43void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
44void SiS_UpdateGammaCRT2(ScrnInfoPtr pScrn);
45
46extern void	SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
47extern UChar	SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
48extern void	SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
49extern UChar	SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
50
51extern float	SiSCalcVRate(DisplayModePtr mode);
52
53extern void	SISCalculateGammaRampCRT2(ScrnInfoPtr pScrn);
54
55/* Functions from init.c and init301.c (use their datatypes!) */
56extern void		SiS_UnLockCRT2(struct SiS_Private *SiS_Pr);
57extern void		SiS_LockCRT2(struct SiS_Private *SiS_Pr);
58extern void		SiS_DisableBridge(struct SiS_Private *SiS_Pr);
59extern void		SiS_EnableBridge(struct SiS_Private *SiS_Pr);
60extern unsigned short	SiS_GetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg);
61extern void		SiS_SetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
62extern unsigned short	SiS_GetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg);
63extern void		SiS_SetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
64extern unsigned short	SiS_GetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg);
65extern void		SiS_SetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
66extern void		SiS_SetCH70xxANDOR(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char orval, unsigned char andval);
67extern void		SiS_DDC2Delay(struct SiS_Private *SiS_Pr, unsigned int delaytime);
68extern unsigned short	SiS_ReadDDC1Bit(struct SiS_Private *SiS_Pr);
69extern unsigned short	SiS_HandleDDC(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine,
70                              unsigned short adaptnum, unsigned short DDCdatatype, unsigned char *buffer,
71			      unsigned int VBFlags2);
72extern void		SiS_SetChrontelGPIO(struct SiS_Private *SiS_Pr, unsigned short myvbinfo);
73extern void		SiS_DisplayOn(struct SiS_Private *SiS_Pr);
74extern unsigned char	SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
75extern void		SiS_SetEnableDstn(struct SiS_Private *SiS_Pr, int enable);
76extern void		SiS_SetEnableFstn(struct SiS_Private *SiS_Pr, int enable);
77extern void		SiSRegInit(struct SiS_Private *SiS_Pr, unsigned short BaseAddr);
78extern void		SiSSetLVDSetc(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
79extern void		SiS_GetVBType(struct SiS_Private *SiS_Pr);
80/* End of init.c/init301.c imports */
81