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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Definitions for Intel 82593 CSMA/CD Core LAN Controller
3 * The definitions are taken from the 1992 users manual with Intel
4 * order number 297125-001.
5 *
6 * /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
7 *
8 * Copyright 1994, Anders Klemets <klemets@it.kth.se>
9 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 * HISTORY
11 * i82593.h,v
John W. Linville620d9aa2005-11-16 16:09:53 -050012 * Revision 1.4 2005/11/4 09:15:00 baroniunas
13 * Modified copyright with permission of author as follows:
14 *
15 * "If I82539.H is the only file with my copyright statement
16 * that is included in the Source Forge project, then you have
17 * my approval to change the copyright statement to be a GPL
18 * license, in the way you proposed on October 10."
19 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070020 * Revision 1.1 1996/07/17 15:23:12 root
21 * Initial revision
22 *
23 * Revision 1.3 1995/04/05 15:13:58 adj
24 * Initial alpha release
25 *
26 * Revision 1.2 1994/06/16 23:57:31 klemets
27 * Mirrored all the fields in the configuration block.
28 *
29 * Revision 1.1 1994/06/02 20:25:34 klemets
30 * Initial revision
31 *
32 *
33 */
34#ifndef _I82593_H
35#define _I82593_H
36
37/* Intel 82593 CSMA/CD Core LAN Controller */
38
39/* Port 0 Command Register definitions */
40
41/* Execution operations */
42#define OP0_NOP 0 /* CHNL = 0 */
43#define OP0_SWIT_TO_PORT_1 0 /* CHNL = 1 */
44#define OP0_IA_SETUP 1
45#define OP0_CONFIGURE 2
46#define OP0_MC_SETUP 3
47#define OP0_TRANSMIT 4
48#define OP0_TDR 5
49#define OP0_DUMP 6
50#define OP0_DIAGNOSE 7
51#define OP0_TRANSMIT_NO_CRC 9
52#define OP0_RETRANSMIT 12
53#define OP0_ABORT 13
54/* Reception operations */
55#define OP0_RCV_ENABLE 8
56#define OP0_RCV_DISABLE 10
57#define OP0_STOP_RCV 11
58/* Status pointer control operations */
59#define OP0_FIX_PTR 15 /* CHNL = 1 */
60#define OP0_RLS_PTR 15 /* CHNL = 0 */
61#define OP0_RESET 14
62
63#define CR0_CHNL (1 << 4) /* 0=Channel 0, 1=Channel 1 */
64#define CR0_STATUS_0 0x00
65#define CR0_STATUS_1 0x20
66#define CR0_STATUS_2 0x40
67#define CR0_STATUS_3 0x60
68#define CR0_INT_ACK (1 << 7) /* 0=No ack, 1=acknowledge */
69
70/* Port 0 Status Register definitions */
71
72#define SR0_NO_RESULT 0 /* dummy */
73#define SR0_EVENT_MASK 0x0f
74#define SR0_IA_SETUP_DONE 1
75#define SR0_CONFIGURE_DONE 2
76#define SR0_MC_SETUP_DONE 3
77#define SR0_TRANSMIT_DONE 4
78#define SR0_TDR_DONE 5
79#define SR0_DUMP_DONE 6
80#define SR0_DIAGNOSE_PASSED 7
81#define SR0_TRANSMIT_NO_CRC_DONE 9
82#define SR0_RETRANSMIT_DONE 12
83#define SR0_EXECUTION_ABORTED 13
84#define SR0_END_OF_FRAME 8
85#define SR0_RECEPTION_ABORTED 10
86#define SR0_DIAGNOSE_FAILED 15
87#define SR0_STOP_REG_HIT 11
88
89#define SR0_CHNL (1 << 4)
90#define SR0_EXECUTION (1 << 5)
91#define SR0_RECEPTION (1 << 6)
92#define SR0_INTERRUPT (1 << 7)
93#define SR0_BOTH_RX_TX (SR0_EXECUTION | SR0_RECEPTION)
94
95#define SR3_EXEC_STATE_MASK 0x03
96#define SR3_EXEC_IDLE 0
97#define SR3_TX_ABORT_IN_PROGRESS 1
98#define SR3_EXEC_ACTIVE 2
99#define SR3_ABORT_IN_PROGRESS 3
100#define SR3_EXEC_CHNL (1 << 2)
101#define SR3_STP_ON_NO_RSRC (1 << 3)
102#define SR3_RCVING_NO_RSRC (1 << 4)
103#define SR3_RCV_STATE_MASK 0x60
104#define SR3_RCV_IDLE 0x00
105#define SR3_RCV_READY 0x20
106#define SR3_RCV_ACTIVE 0x40
107#define SR3_RCV_STOP_IN_PROG 0x60
108#define SR3_RCV_CHNL (1 << 7)
109
110/* Port 1 Command Register definitions */
111
112#define OP1_NOP 0
113#define OP1_SWIT_TO_PORT_0 1
114#define OP1_INT_DISABLE 2
115#define OP1_INT_ENABLE 3
116#define OP1_SET_TS 5
117#define OP1_RST_TS 7
118#define OP1_POWER_DOWN 8
119#define OP1_RESET_RING_MNGMT 11
120#define OP1_RESET 14
121#define OP1_SEL_RST 15
122
123#define CR1_STATUS_4 0x00
124#define CR1_STATUS_5 0x20
125#define CR1_STATUS_6 0x40
126#define CR1_STOP_REG_UPDATE (1 << 7)
127
128/* Receive frame status bits */
129
130#define RX_RCLD (1 << 0)
131#define RX_IA_MATCH (1 << 1)
132#define RX_NO_AD_MATCH (1 << 2)
133#define RX_NO_SFD (1 << 3)
134#define RX_SRT_FRM (1 << 7)
135#define RX_OVRRUN (1 << 8)
136#define RX_ALG_ERR (1 << 10)
137#define RX_CRC_ERR (1 << 11)
138#define RX_LEN_ERR (1 << 12)
139#define RX_RCV_OK (1 << 13)
140#define RX_TYP_LEN (1 << 15)
141
142/* Transmit status bits */
143
144#define TX_NCOL_MASK 0x0f
145#define TX_FRTL (1 << 4)
146#define TX_MAX_COL (1 << 5)
147#define TX_HRT_BEAT (1 << 6)
148#define TX_DEFER (1 << 7)
149#define TX_UND_RUN (1 << 8)
150#define TX_LOST_CTS (1 << 9)
151#define TX_LOST_CRS (1 << 10)
152#define TX_LTCOL (1 << 11)
153#define TX_OK (1 << 13)
154#define TX_COLL (1 << 15)
155
156struct i82593_conf_block {
157 u_char fifo_limit : 4,
158 forgnesi : 1,
159 fifo_32 : 1,
160 d6mod : 1,
161 throttle_enb : 1;
162 u_char throttle : 6,
163 cntrxint : 1,
164 contin : 1;
165 u_char addr_len : 3,
166 acloc : 1,
167 preamb_len : 2,
168 loopback : 2;
169 u_char lin_prio : 3,
170 tbofstop : 1,
171 exp_prio : 3,
172 bof_met : 1;
173 u_char : 4,
174 ifrm_spc : 4;
175 u_char : 5,
176 slottim_low : 3;
177 u_char slottim_hi : 3,
178 : 1,
179 max_retr : 4;
180 u_char prmisc : 1,
181 bc_dis : 1,
182 : 1,
183 crs_1 : 1,
184 nocrc_ins : 1,
185 crc_1632 : 1,
186 : 1,
187 crs_cdt : 1;
188 u_char cs_filter : 3,
189 crs_src : 1,
190 cd_filter : 3,
191 : 1;
192 u_char : 2,
193 min_fr_len : 6;
194 u_char lng_typ : 1,
195 lng_fld : 1,
196 rxcrc_xf : 1,
197 artx : 1,
198 sarec : 1,
199 tx_jabber : 1, /* why is this called max_len in the manual? */
200 hash_1 : 1,
201 lbpkpol : 1;
202 u_char : 6,
203 fdx : 1,
204 : 1;
205 u_char dummy_6 : 6, /* supposed to be ones */
206 mult_ia : 1,
207 dis_bof : 1;
208 u_char dummy_1 : 1, /* supposed to be one */
209 tx_ifs_retrig : 2,
210 mc_all : 1,
211 rcv_mon : 2,
212 frag_acpt : 1,
213 tstrttrs : 1;
214 u_char fretx : 1,
215 runt_eop : 1,
216 hw_sw_pin : 1,
217 big_endn : 1,
218 syncrqs : 1,
219 sttlen : 1,
220 tx_eop : 1,
221 rx_eop : 1;
222 u_char rbuf_size : 5,
223 rcvstop : 1,
224 : 2;
225};
226
227#define I82593_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
228
229#endif /* _I82593_H */