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comparison src/cs/layer1/cfile/l1_api_hisr.c @ 69:50a15a54801e

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src/cs/layer1: import from tcs211-l1-reconst project
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 01 Oct 2016 23:45:38 +0000
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68:838717193e09 69:50a15a54801e
1 /************* Revision Controle System Header *************
2 * GSM Layer 1 software
3 * L1_API_HISR.C
4 *
5 * Filename l1_api_hisr.c
6 * Copyright 2003 (C) Texas Instruments
7 *
8 ************* Revision Controle System Header *************/
9
10 #include "l1_confg.h"
11 #include "nucleus.h"
12 #include "sys_types.h"
13 #include "l1_types.h"
14 #include "l1audio_cust.h"
15 #include "l1audio_defty.h"
16 #include "l1audio_const.h"
17 #include "l1_const.h"
18 #include "cust_os.h"
19 #include "l1tm_defty.h"
20 #if (L1_GTT == 1)
21 #include "l1gtt_const.h"
22 #include "l1gtt_defty.h"
23 #endif
24 #if (L1_MP3 == 1)
25 #include "l1mp3_const.h"
26 #include "l1mp3_signa.h"
27 #include "l1mp3_defty.h"
28 #include "l1mp3_proto.h"
29 #endif
30 #if (L1_MIDI == 1)
31 #include "l1midi_const.h"
32 #include "l1midi_signa.h"
33 #include "l1midi_defty.h"
34 #include "l1midi_proto.h"
35 #endif
36 #if (L1_AAC == 1)
37 #include "l1aac_const.h"
38 #include "l1aac_signa.h"
39 #include "l1aac_defty.h"
40 #include "l1aac_proto.h"
41 #endif
42 #if (L1_DYN_DSP_DWNLD==1)
43 #include "l1_dyn_dwl_defty.h"
44 #include "l1_dyn_dwl_msgty.h"
45 #include "l1_dyn_dwl_const.h"
46 #include "l1_dyn_dwl_signa.h"
47 #include "l1_dyn_dwl_error.h"
48 #include "l1_dyn_dwl_proto.h"
49 #include "l1_api_hisr.h"
50 #endif
51 #include "l1_defty.h"
52 #include "l1_api_hisr.h"
53 #include "l1audio_signa.h"
54 #include "l1_varex.h"
55 #include "l1_macro.h"
56 #include "mem.h"
57
58
59 /*-------------------------------------------------------------*/
60 /* l1_api_handler() */
61 /*-------------------------------------------------------------*/
62 /* */
63 /* Parameters : none */
64 /* */
65 /* Return : n/a */
66 /* */
67 /* Description : API interrupt handler, multiplexed for: */
68 /* 1) audio sources: MP3 or AAC */
69 /* 2) modem sources: USF */
70 /* */
71 // The API Interrupt is multiplexed between (DYN DWNLD, MP3 ,AAC) and FAST USF.
72 // DYN DWNLD, MP3 and AAC are mutually exclusive and hence only one would be
73 // active at one time. But FAST USF would co-exist with any of the them and hence
74 // there needs to be a way to distinguish the two sources of the API Interrupt. A flag
75 // d_dsp_hint_flag is used by the DSP to signify the source of the interrupt. The bit
76 // configuration of d_dsp_hint_flag is
77 // 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0
78 // | |____> Fast USF
79 // |______> (DYN DWNLD, MP3, AAC)
80
81
82 void l1_api_handler()
83 {
84 #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1)
85 extern NU_HISR api_modemHISR;
86 #endif
87
88 #if ( (L1_MP3 == 1) || (L1_AAC == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1) )
89 extern NU_HISR apiHISR;
90 #endif
91
92 #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1)
93 #if (FF_L1_FAST_DECODING == 1)
94 if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_FAST_DECODING_FLAG))
95 {
96 // Flag HISR to be scheduled
97 l1a_apihisr_com.fast_decoding.pending = TRUE;
98 // Clear API ISR condition
99 l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_FAST_DECODING_FLAG);
100 l1a_apihisr_com.fast_decoding.crc_error =
101 l1s_dsp_com.dsp_ndb_ptr->d_fast_paging_data & (C_FAST_DECODING_CRC_FIRE1);
102 NU_Activate_HISR(&api_modemHISR); // activate API modem HISR
103 }
104 #endif /* FF_L1_FAST_DECODING */
105 #if (FF_L1_IT_DSP_USF == 1)
106 if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_USF_HINT_ISSUED))
107 {
108 // Flag HISR to be scheduled
109 l1a_apihisr_com.usf.pending = TRUE;
110 // Clear API ISR condition
111 l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_USF_HINT_ISSUED);
112 NU_Activate_HISR(&api_modemHISR); // activate API modem HISR
113 }
114 #endif //(FF_L1_IT_DSP_USF == 1)
115 #if (FF_L1_IT_DSP_DTX == 1)
116
117 if ((l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & 0x4 ) != 0) // DTX interrupt set by 3rd bit position from left
118 {
119 // Flag HISR to be scheduled
120 l1a_apihisr_com.dtx.pending = TRUE;
121 // Clear API ISR condition
122
123 l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= 0xFB; //reset the 3rd bit position
124 NU_Activate_HISR(&api_modemHISR); // activate API modem HISR
125 }
126 #endif //(FF_L1_IT_DSP_DTX == 1)
127 // Call the API HISR when MP3, AAC, DYN DWNLD comes
128 #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) )
129
130
131
132
133 if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag & (1 << B_NON_USF_HINT_ISSUED))
134 {
135 // Clear API ISR condition
136 l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag = 0;
137 //Activate the API HISR
138 NU_Activate_HISR(&apiHISR);
139 }
140 #endif // (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1)
141 #endif //(FF_L1_IT_DSP_USF == 1) || //(FF_L1_IT_DSP_DTX == 1)
142
143 #if 0 /* FreeCalypso Frankenstein */
144 /* This is the original LoCosto code */
145
146 //When Fast USF is not enabled, then the API HISR needs to be called every time the DSP
147 //sends a HINT interrupt.
148 #if (!FF_L1_IT_DSP_USF) && (!FF_L1_IT_DSP_DTX)
149 #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) )
150 NU_Activate_HISR(&apiHISR);
151 #endif
152 #endif
153 //NU_Activate_HISR(&apiHISR); //hack remove
154 return;
155
156 #else
157
158 /* reconstruction of what the TCS211 code was probably like */
159 #if (L1_DYN_DSP_DWNLD == 1)
160 if( l1_apihisr.dyn_dwnld.running == TRUE )
161 {
162 NU_Activate_HISR(&apiHISR);
163 }
164 #endif
165
166 #endif
167 }
168
169 /*-------------------------------------------------------------*/
170 /* api_hisr() */
171 /*-------------------------------------------------------------*/
172 /* */
173 /* Parameters : none */
174 /* */
175 /* Return : n/a */
176 /* */
177 /* Description : main function dealing with DSP->MCU interrupt */
178 /* */
179 /*-------------------------------------------------------------*/
180 void api_hisr(void)
181 {
182 #if (L1_MP3 == 1)
183 if(l1a_apihisr_com.mp3.running==TRUE)
184 {
185 l1mp3_apihisr();
186 }
187 #endif
188 #if (L1_MIDI == 1)
189 if(l1_apihisr.midi.running==TRUE)
190 {
191 l1midi_apihisr();
192 }
193 #endif
194 #if (L1_AAC == 1)
195 if(l1a_apihisr_com.aac.running==TRUE)
196 {
197 l1aac_apihisr();
198 }
199 #endif
200 #if (L1_DYN_DSP_DWNLD == 1)
201 if( l1_apihisr.dyn_dwnld.running == TRUE )
202 {
203 l1_dyn_dwnld_apihisr();
204 }
205 #endif
206
207 }
208
209 #if 0 /* FreeCalypso */
210 /*-------------------------------------------------------------*/
211 /* api_modem_hisr() */
212 /*-------------------------------------------------------------*/
213 /* */
214 /* Parameters : none */
215 /* */
216 /* Return : n/a */
217 /* */
218 /* Description : main function dealing with DSP->MCU interrupt */
219 /* */
220 /*-------------------------------------------------------------*/
221 void api_modem_hisr(void)
222 {
223 #if (FF_L1_FAST_DECODING == 1)
224 if(l1a_apihisr_com.fast_decoding.pending == TRUE)
225 {
226 extern void l1_fast_decoding_apihisr(void);
227 l1_fast_decoding_apihisr();
228 }
229
230 #endif /* FF_L1_FAST_DECODING */
231 #if (FF_L1_IT_DSP_USF == 1)
232 if(l1a_apihisr_com.usf.pending == TRUE)
233 {
234 extern void l1usf_apihisr(void);
235 l1usf_apihisr();
236 }
237 #endif
238 #if (FF_L1_IT_DSP_DTX == 1)
239 if(l1a_apihisr_com.dtx.pending == TRUE)
240 {
241 extern void l1dtx_apihisr(void);
242 l1dtx_apihisr();
243 }
244 #endif
245 }
246 #endif /* FreeCalypso */
247
248 /*-------------------------------------------------------------*/
249 /* l1_trigger_api_interrupt() */
250 /*-------------------------------------------------------------*/
251 /* */
252 /* Parameters : none */
253 /* */
254 /* Return : n/a */
255 /* */
256 /* Description : Trigger an MCU->DSP interrupt */
257 /* */
258 /*-------------------------------------------------------------*/
259 void l1_trigger_api_interrupt()
260 {
261 #if (CODE_VERSION == SIMULATION)
262 extern void sim_it_mcu_to_dsp();
263 sim_it_mcu_to_dsp();
264 #else
265 #if (L1_DYN_DSP_DWNLD == 1)
266 *((volatile UWORD32 *)MEM_APIC_REG)|=ID_API_INT;
267 #else
268 *((volatile UWORD32 *)MEM_APIC_REG)|=0x4;
269 #endif
270 #endif
271
272 }