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di.h
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1 
2 /*
3  *
4  Copyright (c) Eicon Networks, 2002.
5  *
6  This source file is supplied for the use with
7  Eicon Networks range of DIVA Server Adapters.
8  *
9  Eicon File Revision : 2.1
10  *
11  This program is free software; you can redistribute it and/or modify
12  it under the terms of the GNU General Public License as published by
13  the Free Software Foundation; either version 2, or (at your option)
14  any later version.
15  *
16  This program is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
18  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19  See the GNU General Public License for more details.
20  *
21  You should have received a copy of the GNU General Public License
22  along with this program; if not, write to the Free Software
23  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24  *
25  */
26 /*
27  * some macros for detailed trace management
28  */
29 #include "di_dbg.h"
30 /*****************************************************************************/
31 #define XMOREC 0x1f
32 #define XMOREF 0x20
33 #define XBUSY 0x40
34 #define RMORE 0x80
35 #define DIVA_MISC_FLAGS_REMOVE_PENDING 0x01
36 #define DIVA_MISC_FLAGS_NO_RC_CANCELLING 0x02
37 #define DIVA_MISC_FLAGS_RX_DMA 0x04
38 /* structure for all information we have to keep on a per */
39 /* adapater basis */
40 typedef struct adapter_s ADAPTER;
41 struct adapter_s {
42  void *io;
43  byte IdTable[256];
44  byte IdTypeTable[256];
45  byte FlowControlIdTable[256];
46  byte FlowControlSkipTable[256];
47  byte ReadyInt;
48  byte RcExtensionSupported;
49  byte misc_flags_table[256];
50  dword protocol_capabilities;
51  byte (*ram_in)(ADAPTER *a, void *adr);
52  word (*ram_inw)(ADAPTER *a, void *adr);
53  void (*ram_in_buffer)(ADAPTER *a, void *adr, void *P, word length);
54  void (*ram_look_ahead)(ADAPTER *a, PBUFFER *RBuffer, ENTITY *e);
55  void (*ram_out)(ADAPTER *a, void *adr, byte data);
56  void (*ram_outw)(ADAPTER *a, void *adr, word data);
57  void (*ram_out_buffer)(ADAPTER *a, void *adr, void *P, word length);
58  void (*ram_inc)(ADAPTER *a, void *adr);
59 #if defined(DIVA_ISTREAM)
60  dword rx_stream[256];
61  dword tx_stream[256];
62  word tx_pos[256];
63  word rx_pos[256];
64  byte stream_buffer[2512];
65  dword (*ram_offset)(ADAPTER *a);
66  void (*ram_out_dw)(ADAPTER *a,
67  void *addr,
68  const dword *data,
69  int dwords);
70  void (*ram_in_dw)(ADAPTER *a,
71  void *addr,
72  dword *data,
73  int dwords);
74  void (*istream_wakeup)(ADAPTER *a);
75 #else
76  byte stream_buffer[4];
77 #endif
78 };
79 /*------------------------------------------------------------------*/
80 /* public functions of IDI common code */
81 /*------------------------------------------------------------------*/
82 void pr_out(ADAPTER *a);
83 byte pr_dpc(ADAPTER *a);
84 byte scom_test_int(ADAPTER *a);
85 void scom_clear_int(ADAPTER *a);
86 /*------------------------------------------------------------------*/
87 /* OS specific functions used by IDI common code */
88 /*------------------------------------------------------------------*/
89 void free_entity(ADAPTER *a, byte e_no);
90 void assign_queue(ADAPTER *a, byte e_no, word ref);
91 byte get_assign(ADAPTER *a, word ref);
92 void req_queue(ADAPTER *a, byte e_no);
93 byte look_req(ADAPTER *a);
94 void next_req(ADAPTER *a);
95 ENTITY *entity_ptr(ADAPTER *a, byte e_no);
96 #if defined(DIVA_ISTREAM)
97 struct _diva_xdi_stream_interface;
98 void diva_xdi_provide_istream_info(ADAPTER *a,
99  struct _diva_xdi_stream_interface *pI);
100 void pr_stream(ADAPTER *a);
101 int diva_istream_write(void *context,
102  int Id,
103  void *data,
104  int length,
105  int final,
106  byte usr1,
107  byte usr2);
108 int diva_istream_read(void *context,
109  int Id,
110  void *data,
111  int max_length,
112  int *final,
113  byte *usr1,
114  byte *usr2);
115 #if defined(DIVA_IDI_RX_DMA)
116 #include "diva_dma.h"
117 #endif
118 #endif
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