# HG changeset patch # User Mychaela Falconia # Date 1445989433 0 # Node ID 5cb5e5f229e4e4bb7ee22f99e103869647541620 # Parent 1bec6419cd329fd594161f7e735437fc4d5491e9 l1_api_hisr.c pulled from LoCosto diff -r 1bec6419cd32 -r 5cb5e5f229e4 chipsetsw/layer1/cfile/l1_api_hisr.c --- a/chipsetsw/layer1/cfile/l1_api_hisr.c Tue Oct 27 23:41:22 2015 +0000 +++ b/chipsetsw/layer1/cfile/l1_api_hisr.c Tue Oct 27 23:43:53 2015 +0000 @@ -1,1 +1,256 @@ -/* dummy C source file */ +/************* Revision Controle System Header ************* + * GSM Layer 1 software + * L1_API_HISR.C + * + * Filename l1_api_hisr.c + * Copyright 2003 (C) Texas Instruments + * + ************* Revision Controle System Header *************/ + +#include "l1_confg.h" +#include "nucleus.h" +#include "sys_types.h" +#include "l1_types.h" +#include "l1audio_cust.h" +#include "l1audio_defty.h" +#include "l1audio_const.h" +#include "l1_const.h" +#include "cust_os.h" +#include "l1tm_defty.h" +#if (L1_GTT == 1) + #include "l1gtt_const.h" + #include "l1gtt_defty.h" +#endif +#if (L1_MP3 == 1) + #include "l1mp3_const.h" + #include "l1mp3_signa.h" + #include "l1mp3_defty.h" + #include "l1mp3_proto.h" +#endif +#if (L1_MIDI == 1) + #include "l1midi_const.h" + #include "l1midi_signa.h" + #include "l1midi_defty.h" + #include "l1midi_proto.h" +#endif +#if (L1_AAC == 1) + #include "l1aac_const.h" + #include "l1aac_signa.h" + #include "l1aac_defty.h" + #include "l1aac_proto.h" +#endif +#if (L1_DYN_DSP_DWNLD==1) + #include "l1_dyn_dwl_defty.h" + #include "l1_dyn_dwl_msgty.h" + #include "l1_dyn_dwl_const.h" + #include "l1_dyn_dwl_signa.h" + #include "l1_dyn_dwl_error.h" + #include "l1_dyn_dwl_proto.h" + #include "l1_api_hisr.h" +#endif +#include "l1_defty.h" +#include "l1_api_hisr.h" +#include "l1audio_signa.h" +#include "l1_varex.h" +#include "l1_macro.h" +#include "mem.h" + + +/*-------------------------------------------------------------*/ +/* l1_api_handler() */ +/*-------------------------------------------------------------*/ +/* */ +/* Parameters : none */ +/* */ +/* Return : n/a */ +/* */ +/* Description : API interrupt handler, multiplexed for: */ +/* 1) audio sources: MP3 or AAC */ +/* 2) modem sources: USF */ +/* */ +// The API Interrupt is multiplexed between (DYN DWNLD, MP3 ,AAC) and FAST USF. +// DYN DWNLD, MP3 and AAC are mutually exclusive and hence only one would be +// active at one time. But FAST USF would co-exist with any of the them and hence +// there needs to be a way to distinguish the two sources of the API Interrupt. A flag +// d_dsp_hint_flag is used by the DSP to signify the source of the interrupt. The bit +// configuration of d_dsp_hint_flag is +// 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 +// | |____> Fast USF +// |______> (DYN DWNLD, MP3, AAC) + + +void l1_api_handler() +{ +#if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1) +extern NU_HISR api_modemHISR; +#endif + +#if ( (L1_MP3 == 1) || (L1_AAC == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1) ) + extern NU_HISR apiHISR; +#endif + +#if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1) +#if (FF_L1_FAST_DECODING == 1) + if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_FAST_DECODING_FLAG)) + { + // Flag HISR to be scheduled + l1a_apihisr_com.fast_decoding.pending = TRUE; + // Clear API ISR condition + l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_FAST_DECODING_FLAG); + l1a_apihisr_com.fast_decoding.crc_error = + l1s_dsp_com.dsp_ndb_ptr->d_fast_paging_data & (C_FAST_DECODING_CRC_FIRE1); + NU_Activate_HISR(&api_modemHISR); // activate API modem HISR + } +#endif /* FF_L1_FAST_DECODING */ +#if (FF_L1_IT_DSP_USF == 1) + if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_USF_HINT_ISSUED)) + { + // Flag HISR to be scheduled + l1a_apihisr_com.usf.pending = TRUE; + // Clear API ISR condition + l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_USF_HINT_ISSUED); + NU_Activate_HISR(&api_modemHISR); // activate API modem HISR + } +#endif //(FF_L1_IT_DSP_USF == 1) +#if (FF_L1_IT_DSP_DTX == 1) + + if ((l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & 0x4 ) != 0) // DTX interrupt set by 3rd bit position from left + { + // Flag HISR to be scheduled + l1a_apihisr_com.dtx.pending = TRUE; + // Clear API ISR condition + + l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= 0xFB; //reset the 3rd bit position + NU_Activate_HISR(&api_modemHISR); // activate API modem HISR + } +#endif //(FF_L1_IT_DSP_DTX == 1) +// Call the API HISR when MP3, AAC, DYN DWNLD comes +#if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) + + + + + if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag & (1 << B_NON_USF_HINT_ISSUED)) + { + // Clear API ISR condition + l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag = 0; + //Activate the API HISR + NU_Activate_HISR(&apiHISR); + } +#endif // (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1) +#endif //(FF_L1_IT_DSP_USF == 1) || //(FF_L1_IT_DSP_DTX == 1) + + +//When Fast USF is not enabled, then the API HISR needs to be called every time the DSP +//sends a HINT interrupt. +#if (!FF_L1_IT_DSP_USF) && (!FF_L1_IT_DSP_DTX) +#if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) +NU_Activate_HISR(&apiHISR); +#endif +#endif +//NU_Activate_HISR(&apiHISR); //hack remove + return; +} + +/*-------------------------------------------------------------*/ +/* api_hisr() */ +/*-------------------------------------------------------------*/ +/* */ +/* Parameters : none */ +/* */ +/* Return : n/a */ +/* */ +/* Description : main function dealing with DSP->MCU interrupt */ +/* */ +/*-------------------------------------------------------------*/ +void api_hisr(void) +{ +#if (L1_MP3 == 1) + if(l1a_apihisr_com.mp3.running==TRUE) + { + l1mp3_apihisr(); + } +#endif +#if (L1_MIDI == 1) + if(l1_apihisr.midi.running==TRUE) + { + l1midi_apihisr(); + } +#endif +#if (L1_AAC == 1) + if(l1a_apihisr_com.aac.running==TRUE) + { + l1aac_apihisr(); + } +#endif +#if (L1_DYN_DSP_DWNLD == 1) + if( l1_apihisr.dyn_dwnld.running == TRUE ) + { + l1_dyn_dwnld_apihisr(); + } +#endif + +} + +/*-------------------------------------------------------------*/ +/* api_modem_hisr() */ +/*-------------------------------------------------------------*/ +/* */ +/* Parameters : none */ +/* */ +/* Return : n/a */ +/* */ +/* Description : main function dealing with DSP->MCU interrupt */ +/* */ +/*-------------------------------------------------------------*/ +void api_modem_hisr(void) +{ +#if (FF_L1_FAST_DECODING == 1) +if(l1a_apihisr_com.fast_decoding.pending == TRUE) + { + extern void l1_fast_decoding_apihisr(void); + l1_fast_decoding_apihisr(); + } + +#endif /* FF_L1_FAST_DECODING */ +#if (FF_L1_IT_DSP_USF == 1) + if(l1a_apihisr_com.usf.pending == TRUE) + { + extern void l1usf_apihisr(void); + l1usf_apihisr(); + } +#endif +#if (FF_L1_IT_DSP_DTX == 1) + if(l1a_apihisr_com.dtx.pending == TRUE) + { + extern void l1dtx_apihisr(void); + l1dtx_apihisr(); + } +#endif +} + +/*-------------------------------------------------------------*/ +/* l1_trigger_api_interrupt() */ +/*-------------------------------------------------------------*/ +/* */ +/* Parameters : none */ +/* */ +/* Return : n/a */ +/* */ +/* Description : Trigger an MCU->DSP interrupt */ +/* */ +/*-------------------------------------------------------------*/ +void l1_trigger_api_interrupt() +{ +#if (CODE_VERSION == SIMULATION) + extern void sim_it_mcu_to_dsp(); + sim_it_mcu_to_dsp(); +#else +#if (L1_DYN_DSP_DWNLD == 1) + *((volatile UWORD32 *)MEM_APIC_REG)|=ID_API_INT; +#else + *((volatile UWORD32 *)MEM_APIC_REG)|=0x4; +#endif +#endif + +}