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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * Linux ARCnet driver - COM20020 chipset support - function declarations |
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| 3 | * |
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| 4 | * Written 1997 by David Woodhouse. |
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| 5 | * Written 1994-1999 by Avery Pennarun. |
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| 6 | * Derived from skeleton.c by Donald Becker. |
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| 7 | * |
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| 8 | * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com) |
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| 9 | * for sponsoring the further development of this driver. |
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| 10 | * |
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| 11 | * ********************** |
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| 12 | * |
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| 13 | * The original copyright of skeleton.c was as follows: |
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| 14 | * |
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| 15 | * skeleton.c Written 1993 by Donald Becker. |
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| 16 | * Copyright 1993 United States Government as represented by the |
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| 17 | * Director, National Security Agency. This software may only be used |
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| 18 | * and distributed according to the terms of the GNU General Public License as |
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| 19 | * modified by SRC, incorporated herein by reference. |
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| 20 | * |
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| 21 | * ********************** |
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| 22 | * |
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| 23 | * For more details, see drivers/net/arcnet.c |
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| 24 | * |
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| 25 | * ********************** |
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| 26 | */ |
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| 27 | #ifndef __COM20020_H |
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| 28 | #define __COM20020_H |
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| 29 | |||
| 30 | int com20020_check(struct net_device *dev); |
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| 31 | int com20020_found(struct net_device *dev, int shared); |
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| 32 | void com20020_remove(struct net_device *dev); |
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| 33 | |||
| 34 | /* The number of low I/O ports used by the card. */ |
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| 35 | #define ARCNET_TOTAL_SIZE 8 |
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| 36 | |||
| 37 | /* various register addresses */ |
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| 38 | #define _INTMASK (ioaddr+0) /* writable */ |
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| 39 | #define _STATUS (ioaddr+0) /* readable */ |
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| 40 | #define _COMMAND (ioaddr+1) /* standard arcnet commands */ |
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| 41 | #define _DIAGSTAT (ioaddr+1) /* diagnostic status register */ |
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| 42 | #define _ADDR_HI (ioaddr+2) /* control registers for IO-mapped memory */ |
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| 43 | #define _ADDR_LO (ioaddr+3) |
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| 44 | #define _MEMDATA (ioaddr+4) /* data port for IO-mapped memory */ |
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| 45 | #define _SUBADR (ioaddr+5) /* the extended port _XREG refers to */ |
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| 46 | #define _CONFIG (ioaddr+6) /* configuration register */ |
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| 47 | #define _XREG (ioaddr+7) /* extra registers (indexed by _CONFIG |
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| 48 | or _SUBADR) */ |
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| 49 | |||
| 50 | /* in the ADDR_HI register */ |
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| 51 | #define RDDATAflag 0x80 /* next access is a read (not a write) */ |
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| 52 | |||
| 53 | /* in the DIAGSTAT register */ |
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| 54 | #define NEWNXTIDflag 0x02 /* ID to which token is passed has changed */ |
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| 55 | |||
| 56 | /* in the CONFIG register */ |
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| 57 | #define RESETcfg 0x80 /* put card in reset state */ |
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| 58 | #define TXENcfg 0x20 /* enable TX */ |
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| 59 | |||
| 60 | /* in SETUP register */ |
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| 61 | #define PROMISCset 0x10 /* enable RCV_ALL */ |
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| 62 | #define P1MODE 0x80 /* enable P1-MODE for Backplane */ |
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| 63 | #define SLOWARB 0x01 /* enable Slow Arbitration for >=5Mbps */ |
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| 64 | |||
| 65 | /* COM2002x */ |
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| 66 | #define SUB_TENTATIVE 0 /* tentative node ID */ |
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| 67 | #define SUB_NODE 1 /* node ID */ |
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| 68 | #define SUB_SETUP1 2 /* various options */ |
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| 69 | #define SUB_TEST 3 /* test/diag register */ |
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| 70 | |||
| 71 | /* COM20022 only */ |
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| 72 | #define SUB_SETUP2 4 /* sundry options */ |
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| 73 | #define SUB_BUSCTL 5 /* bus control options */ |
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| 74 | #define SUB_DMACOUNT 6 /* DMA count options */ |
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| 75 | |||
| 76 | #define SET_SUBADR(x) do { \ |
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| 77 | if ((x) < 4) \ |
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| 78 | { \ |
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| 79 | lp->config = (lp->config & ~0x03) | (x); \ |
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| 80 | SETCONF; \ |
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| 81 | } \ |
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| 82 | else \ |
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| 83 | { \ |
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| 84 | outb(x, _SUBADR); \ |
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| 85 | } \ |
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| 86 | } while (0) |
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| 87 | |||
| 88 | #undef ARCRESET |
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| 89 | #undef ASTATUS |
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| 90 | #undef ACOMMAND |
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| 91 | #undef AINTMASK |
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| 92 | |||
| 93 | #define ARCRESET { outb(lp->config | 0x80, _CONFIG); \ |
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| 94 | udelay(5); \ |
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| 95 | outb(lp->config , _CONFIG); \ |
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| 96 | } |
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| 97 | #define ARCRESET0 { outb(0x18 | 0x80, _CONFIG); \ |
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| 98 | udelay(5); \ |
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| 99 | outb(0x18 , _CONFIG); \ |
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| 100 | } |
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| 101 | |||
| 102 | #define ASTATUS() inb(_STATUS) |
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| 103 | #define ACOMMAND(cmd) outb((cmd),_COMMAND) |
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| 104 | #define AINTMASK(msk) outb((msk),_INTMASK) |
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| 105 | |||
| 106 | #define SETCONF outb(lp->config, _CONFIG) |
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| 107 | |||
| 108 | #endif /* __COM20020_H */ |