CCS-Example.zip_dm6446_视频信号还原

/* * Copyright 2005 by Spectrum Digital Incorporated. * All rights reserved. Property of Spectrum Digital Incorporated. * * Not for distribution. */ /* * Board Setup ( for ARM and/or DSP ) * */ #include "davincievm_psc.h" #ifdef ARM_SIDE #include "csl_psc.h" CSL_PscHandle psc_handle; CSL_PscObj psc_obj; #elif DSP_SIDE #endif /* ------------------------------------------------------------------------ * * * * DAVINCIEVM_initPsc( ) * * * * * * * * ------------------------------------------------------------------------ */ Int16 DAVINCIEVM_initPsc( ) { #ifdef ARM_SIDE CSL_Status status; CSL_pscInit( ); psc_handle = CSL_pscOpen( &psc_obj, 0, 0, &status ); return 0; #elif DSP_SIDE return 0; #endif } /* ------------------------------------------------------------------------ * * * * DAVINCIEVM_enableDspPowerDomain( ) * * * * The "Power Domain" controls all the modules below it. There are * * only 2 domains ALWAYSON and DSP. This function will only be able * * to affect the DSP power domain. * * * * ------------------------------------------------------------------------ */ Int16 DAVINCIEVM_enableDspPowerDomain( ) { #ifdef ARM_SIDE if ( CSL_pscHwControl( psc_handle, CSL_PSC_CMD_DSP_PWR_ON, 0 ) == CSL_SOK ) return 0; else return 1; #elif DSP_SIDE Uint32 dspdomainbit = 0x0002; while( ( PSC_PTSTAT & dspdomainbit ) != 0 ); // Wait for state transtion to finish PSC_PDCTL1 |= 0x0001; // Turn ON power domain PSC_PTCMD = dspdomainbit; // Start state transition while( ( PSC_EPCPR & dspdomainbit ) == 0 ); // Wait for external power request /* * Apply External Power if needed. */ PSC_PDCTL1 |= 0x0100; // Turn ON external power while( ( PSC_PTSTAT & dspdomainbit ) != 0 ); // Wait for state transtion to finish return 0; #endif } /* ------------------------------------------------------------------------ * * * * DAVINCIEVM_disableDspPowerDomain( ) * * * * The "Power Domain" controls all the modules below it. There are * * only 2 domains ALWAYSON and DSP. This function will only be able * * to affect the DSP power domain. * * * * ------------------------------------------------------------------------ */ Int16 DAVINCIEVM_disableDspPowerDomain( ) { #ifdef ARM_SIDE if ( CSL_pscHwControl( psc_handle, CSL_PSC_CMD_DSP_PWR_OFF, 0 ) == CSL_SOK ) return 0; else return 1; #elif DSP_SIDE Uint32 dspdomainbit = 0x0002; while( ( PSC_PTSTAT & dspdomainbit ) != 0 ); // Wait for state transtion to finish PSC_PDCTL1 &= ~0x0001; // Turn OFF power domain PSC_PTCMD = dspdomainbit; // Start state transition while( ( PSC_EPCPR & dspdomainbit ) == 0 ); // Wait for external power request /* * Remove External Power if needed ??? */ PSC_PDCTL1 &= ~0x0100; // Turn ON external power while( ( PSC_PTSTAT & dspdomainbit ) != 0 ); // Wait for state transtion to finish return 0; #endif } /* ------------------------------------------------------------------------ * * * * DAVINCIEVM_enableAllPowerModules( ) * * * * This turns on all clocks in ALWAYSON and DSP power domains. * * Note this function assumes that the Power Domains are already on. * * * * ------------------------------------------------------------------------ */ Int16 DAVINCIEVM_enableAllPowerModules( ) { #ifdef ARM_SIDE if ( CSL_pscHwControl( psc_handle, CSL_PSC_CMD_MD_STATE_ENABLE_ALL, 0 ) == CSL_SOK ) return 0; else return 1; #elif DSP_SIDE Int16 i; volatile Uint32* mdctl = ( Uint32* )PSC_MDCTL_BASE; Uint8 module_intr_list[15] = { 1,5,6,7,9,10,11,12,13,14,15,16,17,26,40 } ; for ( i = 0 ; i < 41 ; i++ ) // Enable all 41 power modules *mdctl++ |= 0x0003; for ( i = 0 ; i < 15 ; i++ ) // Enable Interrupts for these modules *( Uint32* )( PSC_MDCTL_BASE + 4 * module_intr_list[i] ) |= 0x0200; *( Uint32* )( PSC_MDCTL_BASE + 4 * 8 ) = 0x000; // IEEE1394A - OFF PSC_PTCMD = 0x0001; // ALWAYSON domain state transition while( ( PSC_PTSTAT & 0x0001 ) != 0 ); PSC_PTCMD = 0x0002; // DSP domain state transition while( ( PSC_PTSTAT & 0x0002 ) != 0 ); for ( i = 0 ; i < 15 ; i++ ) // Clear Interrupts for these modules *( Uint32* )( PSC_MDCTL_BASE + 4 * module_intr_list[i] ) &= 0xFDFF; return 0; #endif } /* ------------------------------------------------------------------------ * * * * DAVINCIEVM_enablePowerModule( domain, id ) * * * * * * * * * * ------------------------------------------------------------------------ */ Int16 DAVINCIEVM_enablePowerModule( Uint32 domain, Uint32 id ) { #ifdef ARM_SIDE CSL_PscMdCfg psc_mdcfg; psc_mdcfg.mdId = ( CSL_PscMdId* )&id; // Module ID(s) psc_mdcfg.numMds = 1; // # Modules psc_mdcfg.mdState = 0; // Module State(s) psc_mdcfg.mdIntEnable = 0; // Module Interrupt(s) psc_mdcfg.mdStateRecord = 0; // Current state if ( CSL_pscHwControl( psc_handle, CSL_PSC_CMD_MD_STATE_ENABLE, &psc_mdcfg ) == CSL_SOK ) return 0; else return 1; #elif DSP_SIDE Uint32 domainbit = ( 1 << ( domain & 1 ) ); Uint8 enableinterrupts = 0; volatile Uint32* mdstat = ( Uint32* )( PSC_MDSTAT_BASE + 4 * id ); volatile Uint32* mdctl = ( Uint32* )( PSC_MDCTL_BASE + 4 * id ); if ( domain == DSP_POWER_DOMAIN )