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1.1 root 1: /*
2: * Copyright (c) 1982, 1990 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution is only permitted until one year after the first shipment
6: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
7: * binary forms are permitted provided that: (1) source distributions retain
8: * this entire copyright notice and comment, and (2) distributions including
9: * binaries display the following acknowledgement: This product includes
10: * software developed by the University of California, Berkeley and its
11: * contributors'' in the documentation or other materials provided with the
12: * distribution and in all advertising materials mentioning features or use
13: * of this software. Neither the name of the University nor the names of
14: * its contributors may be used to endorse or promote products derived from
15: * this software without specific prior written permission.
16: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
17: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
18: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19: *
20: * @(#)if_lereg.h 7.1 (Berkeley) 5/8/90
21: */
22:
23: #define LEID 21
24:
25: #define LEMTU 1518
26: #define LEMINSIZE 60 /* should be 64 if mode DTCR is set */
27: #define LERBUF 8
28: #define LERBUFLOG2 3
29: #define LE_RLEN (LERBUFLOG2 << 13)
30: #define LETBUF 1
31: #define LETBUFLOG2 0
32: #define LE_TLEN (LETBUFLOG2 << 13)
33:
34: #define vu_char volatile u_char
35:
36: /*
37: * LANCE registers.
38: */
39: struct lereg0 {
40: u_char ler0_pad0;
41: vu_char ler0_id; /* ID */
42: u_char ler0_pad1;
43: vu_char ler0_status; /* interrupt enable/status */
44: };
45:
46: struct lereg1 {
47: u_short ler1_rdp; /* data port */
48: u_short ler1_rap; /* register select port */
49: };
50:
51: /*
52: * Overlayed on 16K dual-port RAM.
53: * Current size is 13,758 bytes with 8 x 1518 receive buffers and
54: * 1 x 1518 transmit buffer.
55: */
56: struct lereg2 {
57: /* init block */
58: u_short ler2_mode; /* +0x0000 */
59: u_char ler2_padr[6]; /* +0x0002 */
60: u_long ler2_ladrf0; /* +0x0008 */
61: u_long ler2_ladrf1; /* +0x000C */
62: u_short ler2_rdra; /* +0x0010 */
63: u_short ler2_rlen; /* +0x0012 */
64: u_short ler2_tdra; /* +0x0014 */
65: u_short ler2_tlen; /* +0x0016 */
66: /* receive message descriptors */
67: struct lermd { /* +0x0018 */
68: u_short rmd0;
69: u_short rmd1;
70: short rmd2;
71: u_short rmd3;
72: } ler2_rmd[LERBUF];
73: /* transmit message descriptors */
74: struct letmd { /* +0x0058 */
75: u_short tmd0;
76: u_short tmd1;
77: short tmd2;
78: u_short tmd3;
79: } ler2_tmd[LETBUF];
80: char ler2_rbuf[LERBUF][LEMTU]; /* +0x0060 */
81: char ler2_tbuf[LETBUF][LEMTU]; /* +0x2FD0 */
82: };
83:
84: /*
85: * Control and status bits -- lereg0
86: */
87: #define LE_IE 0x80 /* interrupt enable */
88: #define LE_IR 0x40 /* interrupt requested */
89: #define LE_LOCK 0x08 /* lock status register */
90: #define LE_ACK 0x04 /* ack of lock */
91: #define LE_JAB 0x02 /* loss of tx clock (???) */
92: #define LE_IPL(x) ((((x) >> 4) & 0x3) + 3)
93:
94: /*
95: * Control and status bits -- lereg1
96: */
97: #define LE_CSR0 0
98: #define LE_CSR1 1
99: #define LE_CSR2 2
100: #define LE_CSR3 3
101:
102: #define LE_SERR 0x8000
103: #define LE_BABL 0x4000
104: #define LE_CERR 0x2000
105: #define LE_MISS 0x1000
106: #define LE_MERR 0x0800
107: #define LE_RINT 0x0400
108: #define LE_TINT 0x0200
109: #define LE_IDON 0x0100
110: #define LE_INTR 0x0080
111: #define LE_INEA 0x0040
112: #define LE_RXON 0x0020
113: #define LE_TXON 0x0010
114: #define LE_TDMD 0x0008
115: #define LE_STOP 0x0004
116: #define LE_STRT 0x0002
117: #define LE_INIT 0x0001
118:
119: #define LE_BSWP 0x4
120: #define LE_MODE 0x0
121:
122: /*
123: * Control and status bits -- lereg2
124: */
125: #define LE_OWN 0x8000
126: #define LE_ERR 0x4000
127: #define LE_STP 0x0200
128: #define LE_ENP 0x0100
129:
130: #define LE_FRAM 0x2000
131: #define LE_OFLO 0x1000
132: #define LE_CRC 0x0800
133: #define LE_RBUFF 0x0400
134: #define LE_MORE 0x1000
135: #define LE_ONE 0x0800
136: #define LE_DEF 0x0400
137: #define LE_TBUFF 0x8000
138: #define LE_UFLO 0x4000
139: #define LE_LCOL 0x1000
140: #define LE_LCAR 0x0800
141: #define LE_RTRY 0x0400
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