video.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "asm.h"
#include "processor.h"
#include "ogcsys.h"
#include "irq.h"
#include "exi.h"
#include "gx.h"
#include "si.h"
#include "lwp.h"
#include "system.h"
#include "video.h"
#include "video_types.h"

Include dependency graph for video.c:

Classes
struct	_horVer
struct	_timing

Macros
#define	VIDEO_MQ   1
#define	_SHIFTL(v, s, w)   ((u32) (((u32)(v) & ((0x01 << (w)) - 1)) << (s)))
#define	_SHIFTR(v, s, w)   ((u32)(((u32)(v) >> (s)) & ((0x01 << (w)) - 1)))
#define	VI_REGCHANGE(_reg)   ((u64)0x01<<(63-_reg))

Typedefs
typedef struct _horVer	horVer

Functions
syssram *	__SYS_LockSram ()
u32	__SYS_UnlockSram (u32 write)
void	__VIClearFramebuffer (void *, u32, u32)
void	udelay (int us)
static __inline__ u32	cntlzd (u64 bit)
static const struct _timing *	__gettiming (u32 vimode)
static void	__setInterruptRegs (const struct _timing *tm)
static void	__setPicConfig (u16 fbSizeX, u32 xfbMode, u16 panPosX, u16 panSizeX, u8 *wordPerLine, u8 *std, u8 *wpl, u8 *xof)
static void	__setBBIntervalRegs (const struct _timing *tm)
static void	__setScalingRegs (u16 panSizeX, u16 dispSizeX, s32 threeD)
static void	__calcFbbs (u32 bufAddr, u16 panPosX, u16 panPosY, u8 wordperline, u32 xfbMode, u16 dispPosY, u32 *tfbb, u32 *bfbb)
static void	__setFbbRegs (struct _horVer *horVer, u32 *tfbb, u32 *bfbb, u32 *rtfbb, u32 *rbfbb)
static void	__setHorizontalRegs (const struct _timing *tm, u16 dispPosX, u16 dispSizeX)
static void	__setVerticalRegs (u16 dispPosY, u16 dispSizeY, u8 equ, u16 acv, u16 prbOdd, u16 prbEven, u16 psbOdd, u16 psbEven, s32 black)
static void	__adjustPosition (u16 acv)
static void	__importAdjustingValues ()
static void	__VIInit (u32 vimode)
static void	__getCurrentDisplayPosition (u32 *px, u32 *py)
static u32	__getCurrentHalfLine ()
static u32	__getCurrentFieldEvenOdd ()
static u32	__VISetRegs ()
static void	__VIDisplayPositionToXY (s32 xpos, s32 ypos, s32 *px, s32 *py)
static void	__VIGetCurrentPosition (s32 *px, s32 *py)
static void	__VIRetraceHandler (u32 nIrq, void *pCtx)
void *	VIDEO_GetNextFramebuffer ()
void *	VIDEO_GetCurrentFramebuffer ()
void	VIDEO_Init ()
	Initializes the VIDEO subsystem. This call should be done in the early stages of your main() More...
void	VIDEO_Configure (GXRModeObj *rmode)
	Configure the VI with the given render mode object. More...
void	VIDEO_WaitVSync (void)
	Wait on the next vertical retrace. More...
void	VIDEO_SetFramebuffer (void *fb)
void	VIDEO_SetNextFramebuffer (void *fb)
	Set the framebuffer for the next VI register update. More...
void	VIDEO_SetNextRightFramebuffer (void *fb)
	Set the right framebuffer for the next VI register update. This is used for 3D Gloves for instance. More...
void	VIDEO_Flush ()
	Flush the shadow registers to the drivers video registers. More...
void	VIDEO_SetBlack (bool black)
	Blackout the VIDEO interface. More...
u32	VIDEO_GetNextField ()
	Get the next field in DS mode. More...
u32	VIDEO_GetCurrentTvMode ()
	Get current configured TV mode. More...
GXRModeObj *	VIDEO_GetPreferredMode (GXRModeObj *mode)
u32	VIDEO_GetCurrentLine ()
	Get current video line. More...
VIRetraceCallback	VIDEO_SetPreRetraceCallback (VIRetraceCallback callback)
	Set the Pre-Retrace callback function. This function is called within the video interrupt handler before the VI registers will be updated. More...
VIRetraceCallback	VIDEO_SetPostRetraceCallback (VIRetraceCallback callback)
	Set the Post-Retrace callback function. This function is called within the video interrupt handler after the VI registers are updated. More...
u32	VIDEO_GetFrameBufferSize (GXRModeObj *rmode)
void	VIDEO_ClearFrameBuffer (GXRModeObj *rmode, void *fb, u32 color)
	Clear the given framebuffer. More...
u32	VIDEO_HaveComponentCable (void)
	Check for a component cable. This function returns 1 when a Component (YPbPr) cable is connected. More...

Variables
GXRModeObj	TVNtsc240Ds
GXRModeObj	TVNtsc240DsAa
GXRModeObj	TVNtsc240Int
GXRModeObj	TVNtsc240IntAa
GXRModeObj	TVNtsc480Int
GXRModeObj	TVNtsc480IntDf
GXRModeObj	TVNtsc480IntAa
GXRModeObj	TVNtsc480Prog
GXRModeObj	TVNtsc480ProgSoft
GXRModeObj	TVNtsc480ProgAa
GXRModeObj	TVMpal240Ds
GXRModeObj	TVMpal240DsAa
GXRModeObj	TVMpal480IntDf
GXRModeObj	TVMpal480IntAa
GXRModeObj	TVMpal480Prog
GXRModeObj	TVPal264Ds
GXRModeObj	TVPal264DsAa
GXRModeObj	TVPal264Int
GXRModeObj	TVPal264IntAa
GXRModeObj	TVPal524IntAa
GXRModeObj	TVPal528Int
GXRModeObj	TVPal528IntDf
GXRModeObj	TVPal576IntDfScale
GXRModeObj	TVPal576ProgScale
GXRModeObj	TVEurgb60Hz240Ds
GXRModeObj	TVEurgb60Hz240DsAa
GXRModeObj	TVEurgb60Hz240Int
GXRModeObj	TVEurgb60Hz240IntAa
GXRModeObj	TVEurgb60Hz480Int
GXRModeObj	TVEurgb60Hz480IntDf
GXRModeObj	TVEurgb60Hz480IntAa
GXRModeObj	TVEurgb60Hz480Prog
GXRModeObj	TVEurgb60Hz480ProgSoft
GXRModeObj	TVEurgb60Hz480ProgAa
static const u16	taps [26]
static const struct _timing	video_timing []
static u16	regs [60]
static u16	shdw_regs [60]
static u32	fbSet = 0
static s16	displayOffsetH
static s16	displayOffsetV
static u32	currTvMode
static u32	changeMode
static u32	shdw_changeMode
static u32	flushFlag
static u64	changed
static u64	shdw_changed
static vu32	retraceCount
static const struct _timing *	currTiming
static lwpq_t	video_queue
static horVer	HorVer
static void *	currentFb = NULL
static void *	nextFb = NULL
static VIRetraceCallback	preRetraceCB = NULL
static VIRetraceCallback	postRetraceCB = NULL
static VIPositionCallback	positionCB = NULL
static vu16 *const	_viReg = (u16*)0xCC002000

Macro Definition Documentation

_SHIFTL

#define _SHIFTL	(		v,
			s,
			w
	)		((u32) (((u32)(v) & ((0x01 << (w)) - 1)) << (s)))

_SHIFTR

#define _SHIFTR	(		v,
			s,
			w
	)		((u32)(((u32)(v) >> (s)) & ((0x01 << (w)) - 1)))

VI_REGCHANGE

#define VI_REGCHANGE

(

_reg

)

((u64)0x01<<(63-_reg))

VIDEO_MQ

#define VIDEO_MQ   1

Typedef Documentation

horVer

typedef struct _horVer horVer

Function Documentation

__adjustPosition()

static void __adjustPosition ( u16  acv )

inlinestatic

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__calcFbbs()

static void __calcFbbs ( u32  bufAddr, u16  panPosX, u16  panPosY, u8  wordperline, u32  xfbMode, u16  dispPosY, u32 *  tfbb, u32 *  bfbb  )

inlinestatic

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__getCurrentDisplayPosition()

static void __getCurrentDisplayPosition ( u32 *  px, u32 *  py  )

inlinestatic

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__getCurrentFieldEvenOdd()

static u32 __getCurrentFieldEvenOdd ( )

inlinestatic

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__getCurrentHalfLine()

static u32 __getCurrentHalfLine ( )

inlinestatic

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__gettiming()

static const struct _timing* __gettiming ( u32  vimode )

static

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__importAdjustingValues()

static void __importAdjustingValues ( )

inlinestatic

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__setBBIntervalRegs()

static void __setBBIntervalRegs ( const struct _timing *  tm )

inlinestatic

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__setFbbRegs()

static void __setFbbRegs ( struct _horVer *  horVer, u32 *  tfbb, u32 *  bfbb, u32 *  rtfbb, u32 *  rbfbb  )

inlinestatic

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__setHorizontalRegs()

static void __setHorizontalRegs ( const struct _timing *  tm, u16  dispPosX, u16  dispSizeX  )

inlinestatic

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__setInterruptRegs()

static void __setInterruptRegs ( const struct _timing *  tm )

inlinestatic

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__setPicConfig()

static void __setPicConfig ( u16  fbSizeX, u32  xfbMode, u16  panPosX, u16  panSizeX, u8 *  wordPerLine, u8 *  std, u8 *  wpl, u8 *  xof  )

inlinestatic

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__setScalingRegs()

static void __setScalingRegs ( u16  panSizeX, u16  dispSizeX, s32  threeD  )

static

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__setVerticalRegs()

static void __setVerticalRegs ( u16  dispPosY, u16  dispSizeY, u8  equ, u16  acv, u16  prbOdd, u16  prbEven, u16  psbOdd, u16  psbEven, s32  black  )

inlinestatic

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__SYS_LockSram()

syssram* __SYS_LockSram

(

)

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__SYS_UnlockSram()

u32 __SYS_UnlockSram

(

u32

write

)

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__VIClearFramebuffer()

void __VIClearFramebuffer	(	void *	,
		u32	,
		u32
	)

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__VIDisplayPositionToXY()

static void __VIDisplayPositionToXY ( s32  xpos, s32  ypos, s32 *  px, s32 *  py  )

static

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__VIGetCurrentPosition()

static void __VIGetCurrentPosition ( s32 *  px, s32 *  py  )

inlinestatic

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__VIInit()

static void __VIInit ( u32  vimode )

static

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__VIRetraceHandler()

static void __VIRetraceHandler ( u32  nIrq, void *  pCtx  )

static

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__VISetRegs()

static u32 __VISetRegs ( )

inlinestatic

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cntlzd()

static __inline__ u32 cntlzd ( u64  bit )

static

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udelay()

void udelay

(

int

us

)

VIDEO_ClearFrameBuffer()

void VIDEO_ClearFrameBuffer	(	GXRModeObj *	rmode,
		void *	fb,
		u32	color
	)

Clear the given framebuffer.

Parameters

[in]	rmode	pointer to a GXRModeObj, specifying the mode.
[in]	fb	pointer to the startaddress of the framebuffer to clear.
[in]	color	YUYUV value to use for clearing.

Returns

none

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VIDEO_Configure()

void VIDEO_Configure

(

GXRModeObj *

rmode

)

Configure the VI with the given render mode object.

Parameters

[in]

rmode

pointer to the video/render mode configuration.

Returns

none

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VIDEO_Flush()

void VIDEO_Flush

(

)

Flush the shadow registers to the drivers video registers.

Returns

none

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VIDEO_GetCurrentFramebuffer()

void* VIDEO_GetCurrentFramebuffer

(

)

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VIDEO_GetCurrentLine()

u32 VIDEO_GetCurrentLine

(

)

Get current video line.

Returns

linenumber

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VIDEO_GetCurrentTvMode()

u32 VIDEO_GetCurrentTvMode

(

)

Get current configured TV mode.

Returns

tvmode

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VIDEO_GetFrameBufferSize()

u32 VIDEO_GetFrameBufferSize

(

GXRModeObj *

rmode

)

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VIDEO_GetNextField()

u32 VIDEO_GetNextField

(

)

Get the next field in DS mode.

Returns

field

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VIDEO_GetNextFramebuffer()

void* VIDEO_GetNextFramebuffer

(

)

VIDEO_GetPreferredMode()

GXRModeObj* VIDEO_GetPreferredMode

(

GXRModeObj *

mode

)

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VIDEO_HaveComponentCable()

u32 VIDEO_HaveComponentCable

(

void

)

Check for a component cable. This function returns 1 when a Component (YPbPr) cable is connected.

Returns

1 if a component cable is connected, 0 otherwise

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VIDEO_Init()

void VIDEO_Init

(

)

Initializes the VIDEO subsystem. This call should be done in the early stages of your main()

Returns

none

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VIDEO_SetBlack()

void VIDEO_SetBlack

(

bool

black

)

Blackout the VIDEO interface.

Parameters

[in]

black

Boolean flag to determine whether to blackout the VI or not.

Returns

none

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VIDEO_SetFramebuffer()

void VIDEO_SetFramebuffer

(

void *

fb

)

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VIDEO_SetNextFramebuffer()

void VIDEO_SetNextFramebuffer

(

void *

fb

)

Set the framebuffer for the next VI register update.

Returns

none

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VIDEO_SetNextRightFramebuffer()

void VIDEO_SetNextRightFramebuffer

(

void *

fb

)

Set the right framebuffer for the next VI register update. This is used for 3D Gloves for instance.

Returns

none

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VIDEO_SetPostRetraceCallback()

VIRetraceCallback VIDEO_SetPostRetraceCallback

(

VIRetraceCallback

callback

)

Set the Post-Retrace callback function. This function is called within the video interrupt handler after the VI registers are updated.

Parameters

[in]

callback

pointer to the callback function which is called at post-retrace.

Returns

Old post-retrace callback or NULL

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VIDEO_SetPreRetraceCallback()

VIRetraceCallback VIDEO_SetPreRetraceCallback

(

VIRetraceCallback

callback

)

Set the Pre-Retrace callback function. This function is called within the video interrupt handler before the VI registers will be updated.

Parameters

[in]

callback

pointer to the callback function which is called at pre-retrace.

Returns

Old pre-retrace callback or NULL

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VIDEO_WaitVSync()

void VIDEO_WaitVSync

(

void

)

Wait on the next vertical retrace.

Returns

none

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Variable Documentation

_viReg

vu16* const _viReg = (u16*)0xCC002000

static

changed

u64 changed

static

changeMode

u32 changeMode

static

currentFb

void* currentFb = NULL

static

currTiming

const struct _timing* currTiming

static

currTvMode

u32 currTvMode

static

displayOffsetH

s16 displayOffsetH

static

displayOffsetV

s16 displayOffsetV

static

fbSet

u32 fbSet = 0

static

flushFlag

u32 flushFlag

static

HorVer

horVer HorVer

static

nextFb

void* nextFb = NULL

static

positionCB

VIPositionCallback positionCB = NULL

static

postRetraceCB

VIRetraceCallback postRetraceCB = NULL

static

preRetraceCB

VIRetraceCallback preRetraceCB = NULL

static

regs

u16 regs[60]

static

retraceCount

vu32 retraceCount

static

shdw_changed

u64 shdw_changed

static

shdw_changeMode

u32 shdw_changeMode

static

shdw_regs

u16 shdw_regs[60]

static

taps

const u16 taps[26]

static

Initial value:

= {
    0x01F0,0x01DC,0x01AE,0x0174,0x0129,0x00DB,
    0x008E,0x0046,0x000C,0x00E2,0x00CB,0x00C0,
    0x00C4,0x00CF,0x00DE,0x00EC,0x00FC,0x0008,
    0x000F,0x0013,0x0013,0x000F,0x000C,0x0008,
    0x0001,0x0000
}

video_queue

lwpq_t video_queue

static

video_timing

const struct _timing video_timing[]

static