2 * linux/drivers/acorn/net/ether1.h
4 * Copyright (C) 1996 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Network driver for Acorn Ether1 cards.
13 #ifndef _LINUX_ether1_H
14 #define _LINUX_ether1_H
17 /* use 0 for production, 1 for verification, >2 for debug */
22 #define priv(dev) ((struct ether1_priv *)netdev_priv(dev))
25 #define REG_PAGE (priv(dev)->base + 0x0000)
27 /* Control register */
28 #define REG_CONTROL (priv(dev)->base + 0x0004)
30 #define CTRL_LOOPBACK 0x02
34 #define ETHER1_RAM (priv(dev)->base + 0x2000)
37 #define IDPROM_ADDRESS (priv(dev)->base + 0x0024)
41 struct net_device_stats stats;
44 volatile unsigned int tx_tail;
45 volatile unsigned int rx_head;
46 volatile unsigned int rx_tail;
47 unsigned char bus_type;
48 unsigned char resetting;
49 unsigned char initialising : 1;
50 unsigned char restart : 1;
53 #define I82586_NULL (-1)
55 typedef struct { /* tdr */
56 unsigned short tdr_status;
57 unsigned short tdr_command;
58 unsigned short tdr_link;
59 unsigned short tdr_result;
60 #define TDR_TIME (0x7ff)
61 #define TDR_SHORT (1 << 12)
62 #define TDR_OPEN (1 << 13)
63 #define TDR_XCVRPROB (1 << 14)
64 #define TDR_LNKOK (1 << 15)
67 typedef struct { /* transmit */
68 unsigned short tx_status;
69 unsigned short tx_command;
70 unsigned short tx_link;
71 unsigned short tx_tbdoffset;
74 typedef struct { /* tbd */
75 unsigned short tbd_opts;
76 #define TBD_CNT (0x3fff)
77 #define TBD_EOL (1 << 15)
78 unsigned short tbd_link;
79 unsigned short tbd_bufl;
80 unsigned short tbd_bufh;
83 typedef struct { /* rfd */
84 unsigned short rfd_status;
85 #define RFD_NOEOF (1 << 6)
86 #define RFD_FRAMESHORT (1 << 7)
87 #define RFD_DMAOVRN (1 << 8)
88 #define RFD_NORESOURCES (1 << 9)
89 #define RFD_ALIGNERROR (1 << 10)
90 #define RFD_CRCERROR (1 << 11)
91 #define RFD_OK (1 << 13)
92 #define RFD_FDCONSUMED (1 << 14)
93 #define RFD_COMPLETE (1 << 15)
94 unsigned short rfd_command;
95 #define RFD_CMDSUSPEND (1 << 14)
96 #define RFD_CMDEL (1 << 15)
97 unsigned short rfd_link;
98 unsigned short rfd_rbdoffset;
99 unsigned char rfd_dest[6];
100 unsigned char rfd_src[6];
101 unsigned short rfd_len;
104 typedef struct { /* rbd */
105 unsigned short rbd_status;
106 #define RBD_ACNT (0x3fff)
107 #define RBD_ACNTVALID (1 << 14)
108 #define RBD_EOF (1 << 15)
109 unsigned short rbd_link;
110 unsigned short rbd_bufl;
111 unsigned short rbd_bufh;
112 unsigned short rbd_len;
115 typedef struct { /* nop */
116 unsigned short nop_status;
117 unsigned short nop_command;
118 unsigned short nop_link;
121 typedef struct { /* set multicast */
122 unsigned short mc_status;
123 unsigned short mc_command;
124 unsigned short mc_link;
125 unsigned short mc_cnt;
126 unsigned char mc_addrs[1][6];
129 typedef struct { /* set address */
130 unsigned short sa_status;
131 unsigned short sa_command;
132 unsigned short sa_link;
133 unsigned char sa_addr[6];
136 typedef struct { /* config command */
137 unsigned short cfg_status;
138 unsigned short cfg_command;
139 unsigned short cfg_link;
140 unsigned char cfg_bytecnt; /* size foll data: 4 - 12 */
141 unsigned char cfg_fifolim; /* FIFO threshold */
142 unsigned char cfg_byte8;
143 #define CFG8_SRDY (1 << 6)
144 #define CFG8_SAVEBADF (1 << 7)
145 unsigned char cfg_byte9;
146 #define CFG9_ADDRLEN(x) (x)
147 #define CFG9_ADDRLENBUF (1 << 3)
148 #define CFG9_PREAMB2 (0 << 4)
149 #define CFG9_PREAMB4 (1 << 4)
150 #define CFG9_PREAMB8 (2 << 4)
151 #define CFG9_PREAMB16 (3 << 4)
152 #define CFG9_ILOOPBACK (1 << 6)
153 #define CFG9_ELOOPBACK (1 << 7)
154 unsigned char cfg_byte10;
155 #define CFG10_LINPRI(x) (x)
156 #define CFG10_ACR(x) (x << 4)
157 #define CFG10_BOFMET (1 << 7)
158 unsigned char cfg_ifs;
159 unsigned char cfg_slotl;
160 unsigned char cfg_byte13;
161 #define CFG13_SLOTH(x) (x)
162 #define CFG13_RETRY(x) (x << 4)
163 unsigned char cfg_byte14;
164 #define CFG14_PROMISC (1 << 0)
165 #define CFG14_DISBRD (1 << 1)
166 #define CFG14_MANCH (1 << 2)
167 #define CFG14_TNCRS (1 << 3)
168 #define CFG14_NOCRC (1 << 4)
169 #define CFG14_CRC16 (1 << 5)
170 #define CFG14_BTSTF (1 << 6)
171 #define CFG14_FLGPAD (1 << 7)
172 unsigned char cfg_byte15;
173 #define CFG15_CSTF(x) (x)
174 #define CFG15_ICSS (1 << 3)
175 #define CFG15_CDTF(x) (x << 4)
176 #define CFG15_ICDS (1 << 7)
177 unsigned short cfg_minfrmlen;
180 typedef struct { /* scb */
181 unsigned short scb_status; /* status of 82586 */
182 #define SCB_STRXMASK (7 << 4) /* Receive unit status */
183 #define SCB_STRXIDLE (0 << 4) /* Idle */
184 #define SCB_STRXSUSP (1 << 4) /* Suspended */
185 #define SCB_STRXNRES (2 << 4) /* No resources */
186 #define SCB_STRXRDY (4 << 4) /* Ready */
187 #define SCB_STCUMASK (7 << 8) /* Command unit status */
188 #define SCB_STCUIDLE (0 << 8) /* Idle */
189 #define SCB_STCUSUSP (1 << 8) /* Suspended */
190 #define SCB_STCUACTV (2 << 8) /* Active */
191 #define SCB_STRNR (1 << 12) /* Receive unit not ready */
192 #define SCB_STCNA (1 << 13) /* Command unit not ready */
193 #define SCB_STFR (1 << 14) /* Frame received */
194 #define SCB_STCX (1 << 15) /* Command completed */
195 unsigned short scb_command; /* Next command */
196 #define SCB_CMDRXSTART (1 << 4) /* Start (at rfa_offset) */
197 #define SCB_CMDRXRESUME (2 << 4) /* Resume reception */
198 #define SCB_CMDRXSUSPEND (3 << 4) /* Suspend reception */
199 #define SCB_CMDRXABORT (4 << 4) /* Abort reception */
200 #define SCB_CMDCUCSTART (1 << 8) /* Start (at cbl_offset) */
201 #define SCB_CMDCUCRESUME (2 << 8) /* Resume execution */
202 #define SCB_CMDCUCSUSPEND (3 << 8) /* Suspend execution */
203 #define SCB_CMDCUCABORT (4 << 8) /* Abort execution */
204 #define SCB_CMDACKRNR (1 << 12) /* Ack RU not ready */
205 #define SCB_CMDACKCNA (1 << 13) /* Ack CU not ready */
206 #define SCB_CMDACKFR (1 << 14) /* Ack Frame received */
207 #define SCB_CMDACKCX (1 << 15) /* Ack Command complete */
208 unsigned short scb_cbl_offset; /* Offset of first command unit */
209 unsigned short scb_rfa_offset; /* Offset of first receive frame area */
210 unsigned short scb_crc_errors; /* Properly aligned frame with CRC error*/
211 unsigned short scb_aln_errors; /* Misaligned frames */
212 unsigned short scb_rsc_errors; /* Frames lost due to no space */
213 unsigned short scb_ovn_errors; /* Frames lost due to slow bus */
216 typedef struct { /* iscp */
217 unsigned short iscp_busy; /* set by CPU before CA */
218 unsigned short iscp_offset; /* offset of SCB */
219 unsigned short iscp_basel; /* base of SCB */
220 unsigned short iscp_baseh;
223 /* this address must be 0xfff6 */
224 typedef struct { /* scp */
225 unsigned short scp_sysbus; /* bus size */
226 #define SCP_SY_16BBUS 0x00
227 #define SCP_SY_8BBUS 0x01
228 unsigned short scp_junk[2]; /* junk */
229 unsigned short scp_iscpl; /* lower 16 bits of iscp */
230 unsigned short scp_iscph; /* upper 16 bits of iscp */
235 #define CMD_SETADDRESS 1
237 #define CMD_SETMULTICAST 3
241 #define CMD_DIAGNOSE 7
245 #define CMD_INTR (1 << 13)
246 #define CMD_SUSP (1 << 14)
247 #define CMD_EOL (1 << 15)
249 #define STAT_COLLISIONS (15)
250 #define STAT_COLLEXCESSIVE (1 << 5)
251 #define STAT_COLLAFTERTX (1 << 6)
252 #define STAT_TXDEFERRED (1 << 7)
253 #define STAT_TXSLOWDMA (1 << 8)
254 #define STAT_TXLOSTCTS (1 << 9)
255 #define STAT_NOCARRIER (1 << 10)
256 #define STAT_FAIL (1 << 11)
257 #define STAT_ABORTED (1 << 12)
258 #define STAT_OK (1 << 13)
259 #define STAT_BUSY (1 << 14)
260 #define STAT_COMPLETE (1 << 15)
265 * Ether1 card definitions:
276 * RAM at address + 0x2000
278 * Words after ID block [base + 8 words]
279 * +0 pcb issue (0x0c and 0xf3 invalid)
280 * +1 - +6 eth hw address