source: trunk/minix/drivers/dpeth/3c501.h@ 20

Last change on this file since 20 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a
File size: 3.1 KB
Line 
1/*
2** File: 3c501.h Jan. 14, 1997
3**
4** Author: Giovanni Falzoni <gfalzoni@inwind.it>
5**
6** Interface description for 3Com Etherlink boards
7**
8** $Log: 3c501.h,v $
9** Revision 1.1 2005/06/29 10:16:46 beng
10** Import of dpeth 3c501/3c509b/.. ethernet driver by
11** Giovanni Falzoni <fgalzoni@inwind.it>.
12**
13** Revision 2.0 2005/06/26 16:16:46 lsodgf0
14** Initial revision for Minix 3.0.6
15**
16** $Id: 3c501.h,v 1.1 2005/06/29 10:16:46 beng Exp $
17*/
18
19/* The various board command registers */
20#define EL1_ADDRESS 0x00 /* Board station address, 6 bytes */
21#define EL1_RECV 0x06 /* Board Receive Config/Status Reg. */
22#define EL1_XMIT 0x07 /* Board Transmit Config/Status Reg. */
23#define EL1_XMITPTR 0x08 /* Transmit buffer pointer (word access) */
24#define EL1_RECVPTR 0x0A /* Receive buffer pointer (word access) */
25#define EL1_SAPROM 0x0C /* Window on Station Addr prom */
26#define EL1_CSR 0x0E /* Board Command/Status Register */
27#define EL1_DATAPORT 0x0F /* Window on packet buffer (Data Port) */
28
29/* Bits in EL1_RECV, interrupt enable on write, status when read */
30#define ERSR_NONE 0x00 /* Match mode in bits 5-6 (wo) */
31#define ERSR_ALL 0x40 /* Promiscuous receive (wo) */
32#define ERSR_BROAD 0x80 /* Station address plus broadcast (wo) */
33#define ERSR_MULTI 0x80 /* Station address plus multicast 0xC0 */
34#define ERSR_STALE 0x80 /* Receive status previously read (ro) */
35#define ERSR_GOOD 0x20 /* Well formed packets only (rw) */
36#define ERSR_ANY 0x10 /* Any packet, even with errors (rw) */
37#define ERSR_SHORT 0x08 /* Short frame (rw) */
38#define ERSR_DRIBBLE 0x04 /* Dribble error (rw) */
39#define ERSR_FCS 0x02 /* CRC error (rw) */
40#define ERSR_OVER 0x01 /* Data overflow (rw) */
41
42#define ERSR_RERROR (ERSR_SHORT|ERSR_DRIBBLE|ERSR_FCS|ERSR_OVER)
43#define ERSR_RMASK (ERSR_GOOD|ERSR_RERROR)/*(ERSR_GOOD|ERSR_ANY|ERSR_RERROR)*/
44
45/* Bits in EL1_XMIT, interrupt enable on write, status when read */
46#define EXSR_IDLE 0x08 /* Transmit idle (send completed) */
47#define EXSR_16JAM 0x04 /* Packet sending got 16 collisions */
48#define EXSR_JAM 0x02 /* Packet sending got a collision */
49#define EXSR_UNDER 0x01 /* Data underflow in sending */
50
51/* Bits in EL1_CSR (Configuration Status Register) */
52#define ECSR_RESET 0x80 /* Reset the controller (wo) */
53#define ECSR_XMTBSY 0x80 /* Transmitter busy (ro) */
54#define ECSR_RIDE 0x01 /* Request interrupt/DMA enable (rw) */
55#define ECSR_DMA 0x20 /* DMA request (rw) */
56#define ECSR_EDMA 0x10 /* DMA done (ro) */
57#define ECSR_CRC 0x02 /* Causes CRC error on transmit (wo) */
58#define ECSR_RCVBSY 0x01 /* Receive in progress (ro) */
59#define ECSR_LOOP (3<<2) /* 2 bit field in bits 2,3, loopback */
60#define ECSR_RECV (2<<2) /* Gives buffer to receiver (rw) */
61#define ECSR_XMIT (1<<2) /* Gives buffer to transmit (rw) */
62#define ECSR_SYS (0<<2) /* Gives buffer to processor (wo) */
63
64#define EL1_BFRSIZ 2048 /* Number of bytes in board buffer */
65
66#define inb_el1(dep,reg) (inb(dep->de_base_port+(reg)))
67#define inw_el1(dep,reg) (inw(dep->de_base_port+(reg)))
68#define outb_el1(dep,reg,data) (outb(dep->de_base_port+(reg),data))
69#define outw_el1(dep,reg,data) (outw(dep->de_base_port+(reg),data))
70
71/** 3c501.h **/
Note: See TracBrowser for help on using the repository browser.