diff options
Diffstat (limited to 'drivers/net/smc9194.h')
| -rw-r--r-- | drivers/net/smc9194.h | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/drivers/net/smc9194.h b/drivers/net/smc9194.h index 393ab90..cf69d0a 100644 --- a/drivers/net/smc9194.h +++ b/drivers/net/smc9194.h @@ -1,18 +1,18 @@ /*------------------------------------------------------------------------ . smc9194.h - . Copyright (C) 1996 by Erik Stahlman + . Copyright (C) 1996 by Erik Stahlman . . This software may be used and distributed according to the terms . of the GNU General Public License, incorporated herein by reference. . - . This file contains register information and access macros for - . the SMC91xxx chipset. - . - . Information contained in this file was obtained from the SMC91C94 - . manual from SMC. To get a copy, if you really want one, you can find + . This file contains register information and access macros for + . the SMC91xxx chipset. + . + . Information contained in this file was obtained from the SMC91C94 + . manual from SMC. To get a copy, if you really want one, you can find . information under www.smc.com in the components division. . ( this thanks to advice from Donald Becker ). - . + . . Authors . Erik Stahlman ( erik@vt.edu ) . @@ -38,22 +38,22 @@ typedef unsigned long int dword; /*--------------------------------------------------------------- - . + . . A description of the SMC registers is probably in order here, - . although for details, the SMC datasheet is invaluable. - . + . although for details, the SMC datasheet is invaluable. + . . Basically, the chip has 4 banks of registers ( 0 to 3 ), which . are accessed by writing a number into the BANK_SELECT register . ( I also use a SMC_SELECT_BANK macro for this ). - . + . . The banks are configured so that for most purposes, bank 2 is all - . that is needed for simple run time tasks. + . that is needed for simple run time tasks. -----------------------------------------------------------------------*/ /* - . Bank Select Register: + . Bank Select Register: . - . yyyy yyyy 0000 00xx + . yyyy yyyy 0000 00xx . xx = bank number . yyyy yyyy = 0x33, for identification purposes. */ @@ -62,23 +62,23 @@ typedef unsigned long int dword; /* BANK 0 */ #define TCR 0 /* transmit control register */ -#define TCR_ENABLE 0x0001 /* if this is 1, we can transmit */ +#define TCR_ENABLE 0x0001 /* if this is 1, we can transmit */ #define TCR_FDUPLX 0x0800 /* receive packets sent out */ #define TCR_STP_SQET 0x1000 /* stop transmitting if Signal quality error */ #define TCR_MON_CNS 0x0400 /* monitors the carrier status */ #define TCR_PAD_ENABLE 0x0080 /* pads short packets to 64 bytes */ #define TCR_CLEAR 0 /* do NOTHING */ -/* the normal settings for the TCR register : */ +/* the normal settings for the TCR register : */ /* QUESTION: do I want to enable padding of short packets ? */ -#define TCR_NORMAL TCR_ENABLE +#define TCR_NORMAL TCR_ENABLE #define EPH_STATUS 2 #define ES_LINK_OK 0x4000 /* is the link integrity ok ? */ #define RCR 4 -#define RCR_SOFTRESET 0x8000 /* resets the chip */ +#define RCR_SOFTRESET 0x8000 /* resets the chip */ #define RCR_STRIP_CRC 0x200 /* strips CRC */ #define RCR_ENABLE 0x100 /* IFF this is set, we can receive packets */ #define RCR_ALMUL 0x4 /* receive all multicast packets */ @@ -114,12 +114,12 @@ typedef unsigned long int dword; #define MC_BUSY 1 /* only readable bit in the register */ #define MC_NOP 0 #define MC_ALLOC 0x20 /* or with number of 256 byte packets */ -#define MC_RESET 0x40 +#define MC_RESET 0x40 #define MC_REMOVE 0x60 /* remove the current rx packet */ #define MC_RELEASE 0x80 /* remove and release the current rx packet */ #define MC_FREEPKT 0xA0 /* Release packet in PNR register */ #define MC_ENQUEUE 0xC0 /* Enqueue the packet for transmit */ - + #define PNR_ARR 2 #define FIFO_PORTS 4 @@ -139,11 +139,11 @@ typedef unsigned long int dword; #define INT_MASK 13 #define IM_RCV_INT 0x1 #define IM_TX_INT 0x2 -#define IM_TX_EMPTY_INT 0x4 +#define IM_TX_EMPTY_INT 0x4 #define IM_ALLOC_INT 0x8 #define IM_RX_OVRN_INT 0x10 #define IM_EPH_INT 0x20 -#define IM_ERCV_INT 0x40 /* not on SMC9192 */ +#define IM_ERCV_INT 0x40 /* not on SMC9192 */ /* BANK 3 */ #define MULTICAST1 0 @@ -162,19 +162,19 @@ typedef unsigned long int dword; #define CHIP_9195 5 #define CHIP_91100 7 -static const char * chip_ids[ 15 ] = { - NULL, NULL, NULL, +static const char * chip_ids[ 15 ] = { + NULL, NULL, NULL, /* 3 */ "SMC91C90/91C92", /* 4 */ "SMC91C94", /* 5 */ "SMC91C95", NULL, - /* 7 */ "SMC91C100", - /* 8 */ "SMC91C100FD", - NULL, NULL, NULL, - NULL, NULL, NULL}; + /* 7 */ "SMC91C100", + /* 8 */ "SMC91C100FD", + NULL, NULL, NULL, + NULL, NULL, NULL}; -/* - . Transmit status bits +/* + . Transmit status bits */ #define TS_SUCCESS 0x0001 #define TS_LOSTCAR 0x0400 @@ -190,18 +190,18 @@ static const char * chip_ids[ 15 ] = { #define RS_TOOLONG 0x0800 #define RS_TOOSHORT 0x0400 #define RS_MULTICAST 0x0001 -#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) +#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) static const char * interfaces[ 2 ] = { "TP", "AUI" }; /*------------------------------------------------------------------------- . I define some macros to make it easier to do somewhat common - . or slightly complicated, repeated tasks. + . or slightly complicated, repeated tasks. --------------------------------------------------------------------------*/ /* select a register bank, 0 to 3 */ -#define SMC_SELECT_BANK(x) { outw( x, ioaddr + BANK_SELECT ); } +#define SMC_SELECT_BANK(x) { outw( x, ioaddr + BANK_SELECT ); } /* define a small delay for the reset */ #define SMC_DELAY() { inw( ioaddr + RCR );\ @@ -229,13 +229,13 @@ static const char * interfaces[ 2 ] = { "TP", "AUI" }; /*---------------------------------------------------------------------- . Define the interrupts that I want to receive from the card - . - . I want: + . + . I want: . IM_EPH_INT, for nasty errors . IM_RCV_INT, for happy received packets . IM_RX_OVRN_INT, because I have to kick the receiver --------------------------------------------------------------------------*/ -#define SMC_INTERRUPT_MASK (IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT) +#define SMC_INTERRUPT_MASK (IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT) #endif /* _SMC_9194_H_ */ |
