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/*
* Copyright 2004-2005 The Unichrome Project [unichrome.sf.net]
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _VIA_MODE_H_
#define _VIA_MODE_H_ 1
/* For ModeInfo->TVStandard
* This can also be gathered from a scratch register. */
#define TVSTANDARD_NONE 0x00
#define TVSTANDARD_NTSC 0x01
#define TVSTANDARD_PAL 0x02
struct ViaModeInfo {
int scrnIndex;
Bool CrtPresent;
Bool CrtActive;
CARD32 Bandwidth; /* available memory bandwidth */
Bool ClockSlave; /* is the unichrome the master or the slave? */
CARD32 TVStandard; /* should be moved to pVia->Scratch */
CARD32 PanelClock;
};
/* For Output->Type */
#define OUTPUT_NONE 0x00
#define OUTPUT_TV 0x01
#define OUTPUT_PANEL 0x02 /* TTL */
#define OUTPUT_LVDS 0x04 /* usually also a panel */
#define OUTPUT_TMDS 0x08 /* DVI */
/*
* This is what i've been working up to all along.
*/
struct ViaOutput {
struct ViaOutput * Prev;
struct ViaOutput * Next;
int scrnIndex;
char *Name;
/* driver side */
int Owner; /* Which head owns this? - Driver only. */
int Position; /* What bus is this connected to? - Driver only. */
Bool Active;
Bool ClockMaster;
/* Shared - 0 when unused */
CARD32 Type;
/* Shared - Null when unused */
I2CDevPtr I2CDev;
DisplayModePtr Modes;
OptionInfoPtr Options;
void (*Save) (struct ViaOutput *Output);
void (*Restore) (struct ViaOutput *Output);
Bool (*Sense) (struct ViaOutput *Output);
ModeStatus (*ModeValid) (struct ViaOutput *Output, DisplayModePtr mode); /* Required */
void (*Mode) (struct ViaOutput *Output, DisplayModePtr mode); /* Required */
void (*Power) (struct ViaOutput *Output, Bool On); /* Required */
void (*PrintRegs) (struct ViaOutput *Output, const char *function);
/* Privates. */
int PrivFlag;
void *Private;
int PrivSize;
void (*PrivateDestroy) (struct ViaOutput *Output);
};
/* Function prototypes */
/* via_mode.c */
void ViaVgaPrintRegs(ScrnInfoPtr pScrn, const char *function);
void ViaOutputsDestroy(ScrnInfoPtr pScrn);
void ViaOutputsSave(ScrnInfoPtr pScrn);
void ViaOutputsRestore(ScrnInfoPtr pScrn);
void ViaOutputsPower(ScrnInfoPtr pScrn, Bool On);
void ViaOutputsPrintRegs(ScrnInfoPtr pScrn, const char *function);
void ViaOutputsDetect(ScrnInfoPtr pScrn);
Bool ViaOutputsSelect(ScrnInfoPtr pScrn);
void ViaOutputsModesAttach(ScrnInfoPtr pScrn, MonPtr monitorp);
ModeStatus ViaValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags);
void ViaModePrimary(ScrnInfoPtr pScrn, DisplayModePtr mode);
void ViaModeSecondary(ScrnInfoPtr pScrn, DisplayModePtr mode);
/* outputs: via_panel.c, via_vt162x.c and via_ch7xxx.c */
struct ViaOutput *ViaPanelInit(ScrnInfoPtr pScrn, I2CDevPtr pDev);
struct ViaOutput *ViaVT162xInit(ScrnInfoPtr pScrn, I2CDevPtr pDev);
struct ViaOutput *ViaCH7xxxInit(ScrnInfoPtr pScrn, I2CDevPtr pDev);
/* I still haven't been able to clean up the panel code. */
void ViaSetUseExternalClock(ScrnInfoPtr pScrn);
void ViaSetSecondaryDotclock(ScrnInfoPtr pScrn, CARD32 clock);
#endif /* _VIA_MODE_H_ */
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