tmdlhdmitx.c

HDMI NXP9983 chipset controller driver

/**
 * Copyright (C) 2006 NXP N.V., All Rights Reserved.
 * This source code and any compilation or derivative thereof is the proprietary
 * information of NXP N.V. and is confidential in nature. Under no circumstances
 * is this software to be  exposed to or placed under an Open Source License of
 * any type without the expressed written permission of NXP N.V.
 *
 * \file          tmdlHdmiTx.c
 *
 * \version       Revision: 1
 *
 * \date          Date: 10/08/07 10:00
 *
 * \brief         devlib driver component API for the TDA998x HDMI Transmitters
 *
 * \section refs  Reference Documents
 * HDMI Tx Driver - FRS.doc,
 *
 * \section info  Change Information
 *
 * \verbatim

   History:       tmdlHdmiTx.c
 *
 * *****************  Version 1  *****************
 * User: J. Lamotte Date: 10/08/07   Time: 10:00
 * Updated in $/Source/tmdlHdmiTx/inc
 * initial version
 
   \endverbatim
 *
*/

/*============================================================================*/
/*                             INCLUDE FILES                                  */
/*============================================================================*/
#include "tmdlHdmiTx_IW.h"
#include "tmdlHdmiTx.h"
#include "tmdlHdmiTx_local.h"
#include "tmbslHdmiTx.h"
#include "tmdlHdmiTx_cfg.h"

/*============================================================================*/
/*                          TYPES DECLARATIONS                                */
/*============================================================================*/

/* Macro to avoid compilation warnings */
#ifdef TMFL_OS_WINDOWS
#define DUMMY_ACCESS(x) x
#else
#define DUMMY_ACCESS(x)
#endif

/*============================================================================*/
/*                       CONSTANTS DECLARATIONS                               */
/*============================================================================*/

/*============================================================================*/
/*                         FUNCTION PROTOTYPES                                */
/*============================================================================*/

extern tmErrorCode_t tmbslDebugWriteFakeRegPage( tmUnitSelect_t txUnit );

/* Prototypes of internal functions */
/* Task functions */
static void CommandTaskUnit0(void);
static void CommandTaskUnit1(void);
static void HdcpTaskUnit0(void);
static void HdcpTaskUnit1(void);

/* Interrupt callback functions */
static void dlHdmiTxHandleENCRYPT(tmInstance_t instance);
static void dlHdmiTxHandleHPD(tmInstance_t instance);
static void dlHdmiTxHandleT0(tmInstance_t instance);
static void dlHdmiTxHandleBCAPS(tmInstance_t instance);
static void dlHdmiTxHandleBSTATUS(tmInstance_t instance);
static void dlHdmiTxHandleSHA_1(tmInstance_t instance);
static void dlHdmiTxHandlePJ(tmInstance_t instance);
static void dlHdmiTxHandleR0(tmInstance_t instance);
static void dlHdmiTxHandleSW_INT(tmInstance_t instance);
static void dlHdmiTxHandleRX_SENSE(tmInstance_t instance);
static void dlHdmiTxHandleEDID_READ(tmInstance_t instance);
static void dlHdmiTxHandleVS_RPT(tmInstance_t instance);





/* Devlib internal color bar management functions */ 
static void dlHdmiTxCheckColorBar(tmInstance_t instance);
static void dlHdmiTxCheckHdcpColorBar(tmInstance_t instance);

#ifndef NO_HDCP
static void dlHdmiTxFindHdcpSeed(tmInstance_t instance);
#endif /* NO_HDCP */

/* Set the state machine of device library */
static void dlHdmiTxSetState
(
    tmInstance_t instance, 
    tmdlHdmiTxDriverState_t state
);

/* Get the event status (enable or disable) in order to known
   if event should be signaled */
static tmdlHdmiTxEventStatus_t dlHdmiTxGetEventStatus
(
    tmInstance_t        instance,
    tmdlHdmiTxEvent_t   event
);

/* Use by tmdlHdmiTxSetInputOutput in scaler mode */
static Bool dlHdmiTxGetReflineRefpix
(
    tmdlHdmiTxVidFmt_t      vinFmt,    
    tmdlHdmiTxVinMode_t     vinMode,   
    tmdlHdmiTxVidFmt_t      voutFmt,   
    UInt8                   syncIn,
    tmdlHdmiTxPixRate_t     pixRate,
    UInt16                  *pRefPix,  
    UInt16                  *pRefLine, 
    UInt16                  *pScRefPix,
    UInt16                  *pScRefLine,
    Bool                    *pbVerified
);

/* Use by tmdlHdmiTxSetInputOutput to set AVI infoframe */
static tmErrorCode_t dlHdmiTxSetVideoInfoframe
(
    tmInstance_t            instance,
    tmdlHdmiTxVidFmt_t      voutFmt,
    tmdlHdmiTxVoutMode_t    voutMode
);

/* Get DTD from BSL */
static tmErrorCode_t dlHdmiTxEdidGetDTD
(
    tmInstance_t                    instance,
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors,
    UInt8                           maxDTDesc,
    UInt8                           *pWrittenDTDesc
);

/* Convert DTD to CEA */
static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_640HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_720HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors,
    tmdlHdmiTxPictAspectRatio_t     pictureAspectRatio
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_1280HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_1920HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors,
    Bool                            formatInterlaced
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_1440HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors,
    tmdlHdmiTxPictAspectRatio_t     pictureAspectRatio,
    Bool                            formatInterlaced
);

static tmdlHdmiTxVidFmt_t dlHdmiTxConvertDTDtoCEA_2880HAP
(
    tmdlHdmiTxEdidVideoTimings_t    *pDTDescriptors,
    tmdlHdmiTxPictAspectRatio_t     pictureAspectRatio,
    Bool                            formatInterlaced
);

static tmdlHdmiTxPictAspectRatio_t dlHdmiTxCalcAspectRatio (
    UInt16    HImageSize,
    UInt16    VImageSize
);


/* IMPORTANT: The 3 functions define below should not be declared in static
   in order to allow applicative API to call them. Those functions are not
   in tmdlHdmiTx_Functions.h but are in tmdlHdmiTxCore.def */

/* Get the device library state */
tmdlHdmiTxDriverState_t dlHdmiTxGetState(tmInstance_t instance);

/* Set pattern ON (Blue screen or color bar) */
tmErrorCode_t dlHdmiTxSetTestPatternOn
(
    tmInstance_t            instance,
    tmdlHdmiTxVidFmt_t		voutFmt,
    tmdlHdmiTxVoutMode_t    voutMode,
    tmdlHdmiTxTestPattern_t pattern
);

/* Set pattern OFF */
tmErrorCode_t dlHdmiTxSetTestPatternOff
(
    tmInstance_t            instance,
    tmdlHdmiTxVidFmt_t      voutFmt,
    tmdlHdmiTxVoutMode_t    voutMode
);



static void dlHdmiTxCheckHdcpBksv

(
    tmInstance_t    instance,
    UInt8 *         pHdcpBksvTested,
    Bool  *         pbBksvSecure,
    Bool            bBigEndian
);







/*============================================================================*/
/*                       VARIABLES DECLARATIONS                               */
/*============================================================================*/

tmdlHdmiTxIWSemHandle_t dlHdmiTxItSemaphore[MAX_UNITS];

/* Unit configuration structure (device library system configuration) */
unitConfig_t unitTableTx[MAX_UNITS] = {
    {False, False, (tmdlHdmiTxHdcpOptions_t)HDCP_OPT_DEFAULT, False, False, TMDL_HDMITX_DEVICE_UNKNOWN, 0, 0, (tmdlHdmiTxIWTaskHandle_t)0,
		(tmdlHdmiTxIWQueueHandle_t)0, (tmdlHdmiTxIWTaskHandle_t)0, STATE_NOT_INITIALIZED, (ptmdlHdmiTxCallback_t)0, Null, 0},
    {False, False, (tmdlHdmiTxHdcpOptions_t)HDCP_OPT_DEFAULT, False, False, TMDL_HDMITX_DEVICE_UNKNOWN, 0, 0, (tmdlHdmiTxIWTaskHandle_t)0,
		(tmdlHdmiTxIWQueueHandle_t)0, (tmdlHdmiTxIWTaskHandle_t)0, STATE_NOT_INITIALIZED, (ptmdlHdmiTxCallback_t)0, Null, 0}
};

tmdlHdmiTxIWFuncPtr_t commandTaskTableTx[MAX_UNITS] = {
    CommandTaskUnit0,
    CommandTaskUnit1
};

tmdlHdmiTxIWFuncPtr_t hdcpTaskTableTx[MAX_UNITS] = {
    HdcpTaskUnit0,
    HdcpTaskUnit1
};

tmbslHdmiTxCallbackList_t callbackFuncTableTx;

/* Device library configuration structure completed by tmdlHdmiTxCfgGetConfig with
   informations contained in config file */
tmdlHdmiTxDriverConfigTable_t gtmdlHdmiTxDriverConfigTable[MAX_UNITS];

/* Video info (see instanceStatusInfoTx) */
tmdlHdmiTxVideoInfo_t videoInfoListTx = {
    False,
    {TMDL_HDMITX_VFMT_03_720x480p_60Hz, TMDL_HDMITX_VINMODE_YUV422, TMDL_HDMITX_SYNCSRC_EXT_VS, TMDL_HDMITX_PIXRATE_SINGLE},
    {TMDL_HDMITX_VFMT_03_720x480p_60Hz, TMDL_HDMITX_VOUTMODE_YUV422, TMDL_HDMITX_COLORDEPTH_24}
};

/* Audio info (see instanceStatusInfoTx) */
tmdlHdmiTxAudioInfo_t audioInfoListTx = {
    False,
    {TMDL_HDMITX_AFMT_SPDIF, TMDL_HDMITX_AFS_48K, TMDL_HDMITX_PIXRATE_SINGLE, 
     TMDL_HDMITX_I2SFOR_PHILIPS_L,TMDL_HDMITX_I2SQ_16BITS,TMDL_HDMITX_DSTRATE_SINGLE,0x00} 
};


/* Event state (see instanceStatusInfoTx) */
tmdlHdmiTxEventState_t eventStateListTx[EVENT_NB] = {
    {TMDL_HDMITX_HDCP_ACTIVE,           TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_HDCP_INACTIVE,         TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_HPD_ACTIVE,            TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_HPD_INACTIVE,          TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_RX_KEYS_RECEIVED,      TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_RX_DEVICE_ACTIVE,      TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_RX_DEVICE_INACTIVE,    TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_EDID_RECEIVED,         TMDL_HDMITX_EVENT_DISABLED},
    {TMDL_HDMITX_VS_RPT_RECEIVED,       TMDL_HDMITX_EVENT_DISABLED}
};

/* Color bars state (see instanceStatusInfoTx) */
tmdlHdmiTxColBarState_t colorBarStateTx = {
    False,
    True,
    True,
    False,
    False,
    True,
    False
};

/* Instance status (save the actual configuration) */
instanceStatus_t instanceStatusInfoTx[MAX_UNITS] = { 
    &videoInfoListTx,
    &audioInfoListTx,
    eventStateListTx,
    &colorBarStateTx,
    0
};

/* HDCP seed table, arranged as pairs of 16-bit integers: lookup value, seed value.
 * If no table is programmed and if KEY_SEED in config file is null, HDCP will be disabled */
#define SEED_TABLE_LEN 10
static const UInt16 kSeedTable[SEED_TABLE_LEN][2] = { 
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0},
	{0, 0}
};

#ifndef NO_HDCP
tmdlHdmiTxHdcpInfo_t hdcpInfoListTx[MAX_UNITS];