sis_dac.h revision 1fd23544 
1/*
2 * DAC helper functions (Save/Restore, MemClk, etc)
3 * Definitions and prototypes
4 *
5 * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1) Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3) The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 */
30
31int  SiS_compute_vclk(int Clock, int *out_n, int *out_dn, int *out_div,
32	     		int *out_sbit, int *out_scale);
33void SISDACPreInit(ScrnInfoPtr pScrn);
34void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
35		        LOCO *colors, VisualPtr pVisual);
36void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
37                        unsigned int *vclk);
38void SiSIODump(ScrnInfoPtr pScrn);
39int  SiSMemBandWidth(ScrnInfoPtr pScrn, Bool IsForCRT2);
40int  SiSMclk(SISPtr pSiS);
41void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
42void SiS_UpdateGammaCRT2(ScrnInfoPtr pScrn);
43
44extern void	SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
45extern UChar	SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
46extern void	SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
47extern UChar	SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
48
49extern float	SiSCalcVRate(DisplayModePtr mode);
50
51extern void	SISCalculateGammaRampCRT2(ScrnInfoPtr pScrn);
52
53/* Functions from init.c and init301.c (use their datatypes!) */
54extern void		SiS_UnLockCRT2(struct SiS_Private *SiS_Pr);
55extern void		SiS_LockCRT2(struct SiS_Private *SiS_Pr);
56extern void		SiS_DisableBridge(struct SiS_Private *SiS_Pr);
57extern void		SiS_EnableBridge(struct SiS_Private *SiS_Pr);
58extern unsigned short	SiS_GetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg);
59extern void		SiS_SetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
60extern unsigned short	SiS_GetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg);
61extern void		SiS_SetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
62extern unsigned short	SiS_GetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg);
63extern void		SiS_SetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
64extern void		SiS_SetCH70xxANDOR(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char orval, unsigned char andval);
65extern void		SiS_DDC2Delay(struct SiS_Private *SiS_Pr, unsigned int delaytime);
66extern unsigned short	SiS_ReadDDC1Bit(struct SiS_Private *SiS_Pr);
67extern unsigned short	SiS_HandleDDC(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine,
68                              unsigned short adaptnum, unsigned short DDCdatatype, unsigned char *buffer,
69			      unsigned int VBFlags2);
70extern void		SiS_SetChrontelGPIO(struct SiS_Private *SiS_Pr, unsigned short myvbinfo);
71extern void		SiS_DisplayOn(struct SiS_Private *SiS_Pr);
72extern unsigned char	SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
73extern void		SiS_SetEnableDstn(struct SiS_Private *SiS_Pr, int enable);
74extern void		SiS_SetEnableFstn(struct SiS_Private *SiS_Pr, int enable);
75extern void		SiSRegInit(struct SiS_Private *SiS_Pr, unsigned short BaseAddr);
76extern void		SiSSetLVDSetc(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
77extern void		SiS_GetVBType(struct SiS_Private *SiS_Pr);
78/* End of init.c/init301.c imports */
79