57 static dword diva_xdi_extended_features = 0;
99 static void SendInfo(PLCI *, dword, byte **, byte);
100 static void SendSetupInfo(APPL *, PLCI *, dword, byte **, byte);
101 static void SendSSExtInd(APPL *, PLCI *plci, dword Id, byte **parms);
103 static void VSwitchReqInd(PLCI *plci, dword Id, byte **parms);
107 static byte connect_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
108 static byte connect_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
109 static byte connect_a_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
110 static byte disconnect_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
111 static byte disconnect_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
112 static byte listen_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
113 static byte info_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
114 static byte info_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
115 static byte alert_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
116 static byte facility_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
117 static byte facility_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
118 static byte connect_b3_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
119 static byte connect_b3_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
120 static byte connect_b3_a_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
121 static byte disconnect_b3_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
122 static byte disconnect_b3_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
123 static byte data_b3_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
124 static byte data_b3_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
125 static byte reset_b3_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
126 static byte reset_b3_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
127 static byte connect_b3_t90_a_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
128 static byte select_b_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
129 static byte manufacturer_req(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
130 static byte manufacturer_res(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
166 static byte SendMultiIE(PLCI *plci, dword Id, byte **parms, byte ie_type, dword info_mask, byte set…
177 static word adjust_b_process(dword Id, PLCI *plci, byte Rc);
178 static void adjust_b1_resource(dword Id, PLCI *plci, API_SAVE *bp_msg, word b1_facilities, word int…
179 static void adjust_b_restore(dword Id, PLCI *plci, byte Rc);
180 static void reset_b3_command(dword Id, PLCI *plci, byte Rc);
181 static void select_b_command(dword Id, PLCI *plci, byte Rc);
182 static void fax_connect_ack_command(dword Id, PLCI *plci, byte Rc);
183 static void fax_edata_ack_command(dword Id, PLCI *plci, byte Rc);
184 static void fax_connect_info_command(dword Id, PLCI *plci, byte Rc);
185 static void fax_adjust_b23_command(dword Id, PLCI *plci, byte Rc);
186 static void fax_disconnect_command(dword Id, PLCI *plci, byte Rc);
187 static void hold_save_command(dword Id, PLCI *plci, byte Rc);
188 static void retrieve_restore_command(dword Id, PLCI *plci, byte Rc);
192 static void dtmf_command(dword Id, PLCI *plci, byte Rc);
193 static byte dtmf_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL *appl, API_P…
194 static void dtmf_confirmation(dword Id, PLCI *plci);
195 static void dtmf_indication(dword Id, PLCI *plci, byte *msg, word length);
203 static void mixer_command(dword Id, PLCI *plci, byte Rc);
204 static byte mixer_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL *appl, API_…
205 static void mixer_indication_coefs_set(dword Id, PLCI *plci);
206 static void mixer_indication_xconnect_from(dword Id, PLCI *plci, byte *msg, word length);
207 static void mixer_indication_xconnect_to(dword Id, PLCI *plci, byte *msg, word length);
211 static void ec_command(dword Id, PLCI *plci, byte Rc);
212 static byte ec_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL *appl, API_PAR…
213 static void ec_indication(dword Id, PLCI *plci, byte *msg, word length);
216 static void rtp_connect_b3_req_command(dword Id, PLCI *plci, byte Rc);
217 static void rtp_connect_b3_res_command(dword Id, PLCI *plci, byte Rc);
220 static int diva_get_dma_descriptor(PLCI *plci, dword *dma_magic);
232 void sendf(APPL *, word, dword, word, byte *, ...);
233 void *TransmitBufferSet(APPL *appl, dword ref);
262 	byte (*function)(dword, word, DIVA_CAPI_ADAPTER *, PLCI *, APPL *, API_PARSE *);
535 					m->info.data_b3_req.Data = (dword)(long)(TransmitBufferSet(appl, m->info.data_b3_req.Data));  in api_put()
728 static void start_internal_command(dword Id, PLCI *plci, t_std_internal_command command_function)  in start_internal_command()
750 static void next_internal_command(dword Id, PLCI *plci)  in next_internal_command()
776 static dword ncci_mapping_bug = 0;
857 	dword Id;  in ncci_free_receive_buffers()
860 	Id = (((dword) ncci) << 16) | (((word)(plci->Id)) << 8) | a->Id;  in ncci_free_receive_buffers()
947 	dword Id;  in ncci_remove()
951 	Id = (((dword) ncci) << 16) | (((word)(plci->Id)) << 8) | a->Id;  in ncci_remove()
1153 	dword d;  in dump_c_ind_mask()
1195 static byte connect_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_req()
1206 	dword ch_mask;  in connect_req()
1305 								if ((ai_parms[0].length == 36) || (ch_mask != ((dword)(1L << channel))))  in connect_req()
1411 static byte connect_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_res()
1568 static byte connect_a_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_a_res()
1575 static byte disconnect_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in disconnect_req()
1631 static byte disconnect_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in disconnect_res()
1659 static byte listen_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in listen_req()
1709 static byte info_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in info_req()
1819 static byte info_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in info_res()
1826 static byte alert_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in alert_req()
1857 static byte facility_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in facility_req()
1874 	dword d;  in facility_req()
2608 static byte facility_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in facility_res()
2615 static byte connect_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_b3_req()
2850 static byte connect_b3_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_b3_res()
2966 static byte connect_b3_a_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_b3_a_res()
2987 static byte disconnect_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in disconnect_b3_req()
3044 static byte disconnect_b3_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in disconnect_b3_res()
3101 static byte data_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in data_b3_req()
3133 				data->P = (byte *)(long)(*((dword *)(parms[0].info)));  in data_b3_req()
3137 				data->P = TransmitBufferSet(appl, *(dword *)parms[0].info);  in data_b3_req()
3166 				TransmitBufferFree(appl, (byte *)(long)(*((dword *)(parms[0].info))));  in data_b3_req()
3179 static byte data_b3_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in data_b3_res()
3213 static byte reset_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in reset_b3_req()
3255 static byte reset_b3_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in reset_b3_res()
3280 static byte connect_b3_t90_a_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in connect_b3_t90_a_res()
3315 static byte select_b_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in select_b_req()
3435 static byte manufacturer_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in manufacturer_req()
3764 static byte manufacturer_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,  in manufacturer_res()
4100 	dword Id;  in control_rc()
4101 	dword rId;  in control_rc()
4134 		Id = (((dword)(ncci ? ncci : ch)) << 16) | ((word)plci->Id << 8) | a->Id;  in control_rc()
4241 				Id = (Id & 0xffff) | (((dword) ncci) << 16);  in control_rc()
4625 					Id = (Id & 0xffff) | (((dword) ncci) << 16);  in control_rc()
4766 	dword Id;  in data_rc()
4786 					Id = (((dword)ncci) << 16) | ((word)plci->Id << 8) | a->Id;  in data_rc()
4802 	dword Id;  in data_ack()
4814 			Id = (((dword)ncci) << 16) | ((word)plci->Id << 8) | a->Id;  in data_ack()
4828 	dword x_Id;  in sig_ind()
4829 	dword Id;  in sig_ind()
4830 	dword rId;  in sig_ind()
4833 	dword cip_mask;  in sig_ind()
4886 	dword d;  in sig_ind()
4924 						sendf(plci->appl, _DISCONNECT_B3_I, (((dword) ncci) << 16) | Id, 0, "ws", 0, "");  in sig_ind()
6118 static void SendSetupInfo(APPL *appl, PLCI *plci, dword Id, byte **parms, byte Info_Sent_Flag)  in SendSetupInfo()
6192 static void SendInfo(PLCI *plci, dword Id, byte **parms, byte iesent)  in SendInfo()
6368 static byte SendMultiIE(PLCI *plci, dword Id, byte **parms, byte ie_type,  in SendMultiIE()
6369 			dword info_mask, byte setupParse)  in SendMultiIE()
6442 static void SendSSExtInd(APPL *appl, PLCI *plci, dword Id, byte **parms)  in SendSSExtInd()
6492 	dword Id;  in nl_ind()
6563 	static dword udata_forwarding_table[0x100 / sizeof(dword)] =  in nl_ind()
6572 	Id = (((dword)(ncci ? ncci : ch)) << 16) | (((word) plci->Id) << 8) | a->Id;  in nl_ind()
6989 			Id = (Id & 0xffff) | (((dword) ncci) << 16);  in nl_ind()
7481 	dword d;  in add_b1()
9595 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_enable_receiver()
9633 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_send_digits()
9665 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_rec_clear_config()
9681 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_send_clear_config()
9690 static void dtmf_prepare_switch(dword Id, PLCI *plci)  in dtmf_prepare_switch()
9701 static word dtmf_save_config(dword Id, PLCI *plci, byte Rc)  in dtmf_save_config()
9711 static word dtmf_restore_config(dword Id, PLCI *plci, byte Rc)  in dtmf_restore_config()
9748 static void dtmf_command(dword Id, PLCI *plci, byte Rc)  in dtmf_command()
9919 static byte dtmf_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL   *appl, API…  in dtmf_request()
10116 static void dtmf_confirmation(dword Id, PLCI *plci)  in dtmf_confirmation()
10137 static void dtmf_indication(dword Id, PLCI *plci, byte *msg, word length)  in dtmf_indication()
10193 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_parameter_write()
10210 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in dtmf_parameter_clear_config()
10217 static void dtmf_parameter_prepare_switch(dword Id, PLCI *plci)  in dtmf_parameter_prepare_switch()
10226 static word dtmf_parameter_save_config(dword Id, PLCI *plci, byte Rc)  in dtmf_parameter_save_config()
10236 static word dtmf_parameter_restore_config(dword Id, PLCI *plci, byte Rc)  in dtmf_parameter_restore_config()
10293 static byte chi_to_channel(byte *chi, dword *pchannelmap)  in chi_to_channel()
10297 	dword map;  in chi_to_channel()
10368 		else if (map != ((dword)(1L << ch))) return 0xfe;  in chi_to_channel()
10428 							(dword)((splci->Id << 8) | UnMapController(splci->adapter->Id)),  in mixer_set_bchannel_id_esc()
10442 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_set_bchannel_id_esc()
10486 								(dword)((splci->Id << 8) | UnMapController(splci->adapter->Id)),  in mixer_set_bchannel_id()
10501 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_set_bchannel_id()
10516 			(dword)(UnMapController(a->Id)), (char *)(FILE_), __LINE__));  in mixer_calculate_coefs()
10703 			(dword)(UnMapController(a->Id)), (char *)hex_line));  in mixer_calculate_coefs()
10714 			(dword)(UnMapController(a->Id)), (char *)hex_line));  in mixer_calculate_coefs()
10725 			(dword)(UnMapController(a->Id)), (char *)hex_line));  in mixer_calculate_coefs()
10738 				(dword)(UnMapController(a->Id)), i, (char *)hex_line));  in mixer_calculate_coefs()
10752 				(dword)(UnMapController(a->Id)), i, (char *)hex_line));  in mixer_calculate_coefs()
10876 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in xconnect_query_addresses()
10884 				(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in xconnect_query_addresses()
10910 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in xconnect_write_coefs()
10918 static byte xconnect_write_coefs_process(dword Id, PLCI *plci, byte Rc)  in xconnect_write_coefs_process()
10922 	dword d;  in xconnect_write_coefs_process()
11264 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_notify_update()
11315 								(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_notify_update()
11317 								(dword)((notify_plci->Id << 8) | UnMapController(notify_plci->adapter->Id)), w));  in mixer_notify_update()
11335 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_clear_config()
11393 static void mixer_prepare_switch(dword Id, PLCI *plci)  in mixer_prepare_switch()
11406 static word mixer_save_config(dword Id, PLCI *plci, byte Rc)  in mixer_save_config()
11431 static word mixer_restore_config(dword Id, PLCI *plci, byte Rc)  in mixer_restore_config()
11514 static void mixer_command(dword Id, PLCI *plci, byte Rc)  in mixer_command()
11637 static void li_update_connect(dword Id, DIVA_CAPI_ADAPTER *a, PLCI *plci,  in li_update_connect()
11638 			      dword plci_b_id, byte connect, dword li_flags)  in li_update_connect()
11780 static void li2_update_connect(dword Id, DIVA_CAPI_ADAPTER *a, PLCI *plci,  in li2_update_connect()
11781 			       dword plci_b_id, byte connect, dword li_flags)  in li2_update_connect()
11888 static word li_check_main_plci(dword Id, PLCI *plci)  in li_check_main_plci()
11909 static PLCI *li_check_plci_b(dword Id, PLCI *plci,  in li_check_plci_b()
11910 			     dword plci_b_id, word plci_b_write_pos, byte *p_result)  in li_check_plci_b()
11972 static PLCI *li2_check_plci_b(dword Id, PLCI *plci,  in li2_check_plci_b()
11973 			      dword plci_b_id, word plci_b_write_pos, byte *p_result)  in li2_check_plci_b()
12035 static byte mixer_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL   *appl, AP…  in mixer_request()
12039 	dword d, li_flags, plci_b_id;  in mixer_request()
12438 static void mixer_indication_coefs_set(dword Id, PLCI *plci)  in mixer_indication_coefs_set()
12440 	dword d;  in mixer_indication_coefs_set()
12498 static void mixer_indication_xconnect_from(dword Id, PLCI *plci, byte *msg, word length)  in mixer_indication_xconnect_from()
12511 …s.card_address.low = msg[i] | (msg[i + 1] << 8) | (((dword)(msg[i + 2])) << 16) | (((dword)(msg[i …  in mixer_indication_xconnect_from()
12512 …s.card_address.high = msg[i + 4] | (msg[i + 5] << 8) | (((dword)(msg[i + 6])) << 16) | (((dword)(m…  in mixer_indication_xconnect_from()
12513 …s.offset = msg[i + 8] | (msg[i + 9] << 8) | (((dword)(msg[i + 10])) << 16) | (((dword)(msg[i + 11]…  in mixer_indication_xconnect_from()
12541 static void mixer_indication_xconnect_to(dword Id, PLCI *plci, byte *msg, word length)  in mixer_indication_xconnect_to()
12550 static byte mixer_notify_source_removed(PLCI *plci, dword plci_b_id)  in mixer_notify_source_removed()
12559 				(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_notify_source_removed()
12574 	dword plci_b_id;  in mixer_remove()
12578 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in mixer_remove()
12630 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in ec_write_parameters()
12649 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in ec_clear_config()
12658 static void ec_prepare_switch(dword Id, PLCI *plci)  in ec_prepare_switch()
12667 static word ec_save_config(dword Id, PLCI *plci, byte Rc)  in ec_save_config()
12677 static word ec_restore_config(dword Id, PLCI *plci, byte Rc)  in ec_restore_config()
12714 static void ec_command(dword Id, PLCI *plci, byte Rc)  in ec_command()
12827 static byte ec_request(dword Id, word Number, DIVA_CAPI_ADAPTER *a, PLCI *plci, APPL   *appl, API_P…  in ec_request()
13017 static void ec_indication(dword Id, PLCI *plci, byte *msg, word length)  in ec_indication()
13085 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adv_voice_write_coefs()
13112 					(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adv_voice_write_coefs()
13120 					(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adv_voice_write_coefs()
13236 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adv_voice_clear_config()
13290 static void adv_voice_prepare_switch(dword Id, PLCI *plci)  in adv_voice_prepare_switch()
13299 static word adv_voice_save_config(dword Id, PLCI *plci, byte Rc)  in adv_voice_save_config()
13309 static word adv_voice_restore_config(dword Id, PLCI *plci, byte Rc)  in adv_voice_restore_config()
13529 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in add_b1_facilities()
13541 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adjust_b1_facilities()
13574 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in adjust_b_clear()
13581 static word adjust_b_process(dword Id, PLCI *plci, byte Rc)  in adjust_b_process()
13878 				Id = (Id & 0xffff) | (((dword)(plci->adjust_b_ncci)) << 16);  in adjust_b_process()
13933 static void adjust_b1_resource(dword Id, PLCI *plci, API_SAVE   *bp_msg, word b1_facilities, word i…  in adjust_b1_resource()
13955 static void adjust_b_restore(dword Id, PLCI *plci, byte Rc)  in adjust_b_restore()
14001 static void reset_b3_command(dword Id, PLCI *plci, byte Rc)  in reset_b3_command()
14041 static void select_b_command(dword Id, PLCI *plci, byte Rc)  in select_b_command()
14100 static void fax_connect_ack_command(dword Id, PLCI *plci, byte Rc)  in fax_connect_ack_command()
14147 static void fax_edata_ack_command(dword Id, PLCI *plci, byte Rc)  in fax_edata_ack_command()
14185 static void fax_connect_info_command(dword Id, PLCI *plci, byte Rc)  in fax_connect_info_command()
14236 static void fax_adjust_b23_command(dword Id, PLCI *plci, byte Rc)  in fax_adjust_b23_command()
14284 static void fax_disconnect_command(dword Id, PLCI *plci, byte Rc)  in fax_disconnect_command()
14327 static void rtp_connect_b3_req_command(dword Id, PLCI *plci, byte Rc)  in rtp_connect_b3_req_command()
14380 static void rtp_connect_b3_res_command(dword Id, PLCI *plci, byte Rc)  in rtp_connect_b3_res_command()
14431 static void hold_save_command(dword Id, PLCI *plci, byte Rc)  in hold_save_command()
14472 static void retrieve_restore_command(dword Id, PLCI *plci, byte Rc)  in retrieve_restore_command()
14515 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in init_b1_config()
14541 			(dword)((plci->Id << 8) | UnMapController(plci->adapter->Id)),  in clear_b1_config()
14691 	dword count;  in channel_can_xon()
14739 	dword info_mask_group[MAX_CIP_TYPES];  in group_optimization()
14740 	dword cip_mask_group[MAX_CIP_TYPES];  in group_optimization()
14903 static void VSwitchReqInd(PLCI *plci, dword Id, byte **parms)  in VSwitchReqInd()
14991 static int diva_get_dma_descriptor(PLCI *plci, dword   *dma_magic) {  in diva_get_dma_descriptor()