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/***************************************************
Copyright (c) 2015 Amphion Semiconductor Ltd
All rights reserved.
***************************************************
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
****************************************************
Filename: DecoderLibPrivate.c
Description: Decoder Library API level
Author: Kyle McAdoo - Media IP FW Team ( Belfast & Shanghai )
***************************************************/
/////////////////////////////////////////////////////////////////////////////////
// Header files
/////////////////////////////////////////////////////////////////////////////////
#include "basetype.h"
#include "mediaip_fw_types.h"
#include "pal.h"
#include "DecKernelLibPrivate.h"
#include "DecKernelLibHWControl.h"
/////////////////////////////////////////////////////////////////////////////////
// Global Variables
/////////////////////////////////////////////////////////////////////////////////
u_int32 uMvdKernelIrqPin[DECODERLIB_MAX_MALONES][0x2];
/////////////////////////////////////////////////////////////////////////////////
// Extern function prototypes
/////////////////////////////////////////////////////////////////////////////////
extern DEC_KERNEL_LIB gDecKernelLib;
extern MALONE_KERNEL_HW_SESSION gMvdKernelHw[(DECODERLIB_MAX_MALONES + 1)];
extern MEDIAIP_IRQ_RETCODE mvd_kernel_hw_primary_isr ( u_int32 irq_val );
extern MEDIAIP_IRQ_RETCODE mvd_kernel_hw_secondary_isr ( u_int32 irq_val );
/////////////////////////////////////////////////////////////////////////////////
// Code
/////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////
// FUNCTION: internal_decoder_kernel_lib_init //
// //
// DESCRIPTION: This function initialises the decoder library //
// more notes to follow when it works... //
// //
// INPUTS: None //
// //
// OUTPUTS: None. //
// //
// RETURNS: MEDIAIP_FW_STATUS_ //
// OK - Success. //
// BAD_PARAMETER - Configuration structure not initialised //
// ALREADY_INIT - //
// //
// NOTES: None. //
// //
// CONTEXT: This function must be called from non-interrupt context //
// //
////////////////////////////////////////////////////////////////////////////////////
MEDIAIP_FW_STATUS internal_decoder_kernel_lib_init ( DECODERLIB_KERNEL_CFG * pCfg )
{
MEDIAIP_FW_STATUS RetCode = MEDIAIP_FW_STATUS_OK;
/* Parse interrupt config */
internal_decoder_kernel_lib_parse_cfg ( pCfg,
FALSE );
/* Setup hardware view of Malone */
mvd_kernel_hw_control_init ( pCfg );
return RetCode;
}
////////////////////////////////////////////////////////////////////////////////////
// FUNCTION: internal_decoder_kernel_lib_register_isr_callback //
// //
// DESCRIPTION: This function registers handlers for event processing //
// more notes to follow when it works... //
// //
// INPUTS: hHandle - handle for the stream with which to register the //
// callbacks //
// pfCallback - Function ponter to be executed when a decoder //
// event is raised //
// //
// OUTPUTS: None. //
// //
// RETURNS: None. //
// //
// NOTES: None. //
// //
// CONTEXT: Unknown if there are any constraints here as yet //
// //
////////////////////////////////////////////////////////////////////////////////////
void internal_decoder_kernel_lib_register_isr_callback ( u_int32 uMalIdx,
DecKernelLib_Isr_Callback_t pfCallback
)
{
gDecKernelLib.pfCallback[uMalIdx] = pfCallback;
}
///////////////////////////////////////////////////////////////////////////////////
// FUNCTION: internal_decoder_kernel_lib_parse_cfg //
// //
// DESCRIPTION: Update DecoderLib structs with info from the configuration //
// //
// INPUTS: pCfg - The DecLib configuration //
// bCheck - A control variable which allows prints on changes in //
// //
// OUTPUTS: None. //
// //
// RETURNS: None. //
// //
// NOTES: Set bCheck in snapshot restarts to see what may be different //
// in the configuration of the generation and restart platforms //
// //
// CONTEXT: Call from thread context //
// //
////////////////////////////////////////////////////////////////////////////////////
void internal_decoder_kernel_lib_parse_cfg ( DECODERLIB_KERNEL_CFG * pCfg,
bool bCheck
)
{
PAL_PFNISR pFnDecodeIsr;
u_int32 uMalIdx;
gDecKernelLib.uNumMalones = pCfg->uNumMalones;
for ( uMalIdx = 0x0; uMalIdx < gDecKernelLib.uNumMalones; uMalIdx++ )
{
uMvdKernelIrqPin[uMalIdx][0x0] = pCfg->uMaloneIrqPin[uMalIdx][0x0];
uMvdKernelIrqPin[uMalIdx][0x1] = pCfg->uMaloneIrqPin[uMalIdx][0x1];
}
/* Finally claim the interrupts */
pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_primary_isr;
pal_int_register ( uMvdKernelIrqPin[0x0][0x0], pFnDecodeIsr, FALSE );
pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_secondary_isr;
/* This is a safety check in case a lazy player does not setup the second irq */
if ( uMvdKernelIrqPin[0x0][0x0] != uMvdKernelIrqPin[0x0][0x1] )
{
pal_int_register ( uMvdKernelIrqPin[0x0][0x1], pFnDecodeIsr, FALSE );
}
if ( gDecKernelLib.uNumMalones > 0x1 )
{
pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_primary_isr;
pal_int_register ( uMvdKernelIrqPin[0x1][0x0], pFnDecodeIsr, FALSE );
pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_secondary_isr;
if ( uMvdKernelIrqPin[0x1][0x0] != uMvdKernelIrqPin[0x1][0x1] )
{
pal_int_register ( uMvdKernelIrqPin[0x1][0x1], pFnDecodeIsr, FALSE );
}
}
}
/* End of file */
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