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Annotation of Gnu-Mach/linux/src/drivers/net/sk_g16.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  *
        !             3:  * This software may be used and distributed according to the terms
        !             4:  * of the GNU Public License, incorporated herein by reference.
        !             5:  *
        !             6:  * Module         : sk_g16.h
        !             7:  * Version        : $Revision: 1.1 $  
        !             8:  *
        !             9:  * Author         : M.Hipp ([email protected])
        !            10:  * changes by     : Patrick J.D. Weichmann
        !            11:  *
        !            12:  * Date Created   : 94/05/25
        !            13:  *
        !            14:  * Description    : In here are all necessary definitions of  
        !            15:  *                  the am7990 (LANCE) chip used for writing a
        !            16:  *                  network device driver which uses this chip 
        !            17:  *
        !            18:  * $Log: sk_g16.h,v $
        !            19:  * Revision 1.1  1999/04/26 05:52:37  tb
        !            20:  * 1998-11-30  OKUJI Yoshinori  <[email protected]>
        !            21:  *
        !            22:  *     Clean up linux emulation code to make it architecture-independent
        !            23:  *     as much as possible.
        !            24:  *
        !            25:  *     * linux: Renamed from linuxdev.
        !            26:  *     * Makefile.in (objfiles): Add linux.o instead of linuxdev.o.
        !            27:  *     (MAKE): New variable. Used for the linux.o target.
        !            28:  *     * configure.in: Add AC_CHECK_TOOL(MAKE, make).
        !            29:  *     * i386/i386/spl.h: Include <i386/ipl.h>, for compatibility with
        !            30:  *     OSF Mach 3.0. Suggested by Elgin Lee <[email protected]>.
        !            31:  *     * linux/src: Renamed from linux/linux.
        !            32:  *     * linux/dev: Renamed from linux/mach.
        !            33:  *     * linux/Drivers.in (AC_INIT): Use dev/include/linux/autoconf.h,
        !            34:  *     instead of mach/include/linux/autoconf.h.
        !            35:  *     * Makefile.in (all): Target ../linux.o instead of ../linuxdev.o.
        !            36:  *     * linux/dev/drivers/block/genhd.c: Include <machine/spl.h> instead
        !            37:  *     of <i386/ipl.h>.
        !            38:  *     * linux/dev/drivers/net/auto_irq.c: Remove unneeded header files,
        !            39:  *     <i386/ipl.h> and <i386/pic.h>.
        !            40:  *     * linux/dev/init/main.c: Many i386-dependent codes moved to ...
        !            41:  *     * linux/dev/arch/i386/irq.c: ... here.
        !            42:  *     * linux/dev/arch/i386/setup.c: New file.
        !            43:  *     * linux/dev/arch/i386/linux_emul.h: Likewise.
        !            44:  *     * linux/dev/arch/i386/glue/timer.c: Merged into sched.c.
        !            45:  *     * linux/dev/arch/i386/glue/sched.c: Include <machine/spl.h> instead
        !            46:  *     of <i386/ipl.h>, and moved to ...
        !            47:  *     * linux/dev/kernel/sched.c: ... here.
        !            48:  *     * linux/dev/arch/i386/glue/block.c: Include <machine/spl.h> and
        !            49:  *     <linux_emul.h>, instead of i386-dependent header files, and
        !            50:  *     moved to ...
        !            51:  *     * linux/dev/glue/blocl.c: ... here.
        !            52:  *     * linux/dev/arch/i386/glue/net.c: Include <machine/spl.h> and
        !            53:  *     <linux_emul.h>, instead of i386-dependent header files, and
        !            54:  *     moved to ...
        !            55:  *     * linux/dev/glue/net.c: ... here.
        !            56:  *     * linux/dev/arch/i386/glue/misc.c: Remove `x86' and moved to ...
        !            57:  *     * linux/dev/glue/misc.c: ... here.
        !            58:  *     * linux/dev/arch/i386/glue/kmem.c: Moved to ...
        !            59:  *     * linux/dev/glue/kmem.c: ... here.
        !            60:  *
        !            61: -*/
        !            62: 
        !            63: #ifndef SK_G16_H
        !            64: 
        !            65: #define SK_G16_H
        !            66: 
        !            67: 
        !            68: /*
        !            69:  *     Control and Status Register 0 (CSR0) bit definitions
        !            70:  *
        !            71:  * (R=Readable) (W=Writeable) (S=Set on write) (C-Clear on write)
        !            72:  *
        !            73:  */
        !            74: 
        !            75: #define CSR0_ERR       0x8000  /* Error summary (R) */
        !            76: #define CSR0_BABL      0x4000  /* Babble transmitter timeout error (RC) */
        !            77: #define CSR0_CERR      0x2000  /* Collision Error (RC) */
        !            78: #define CSR0_MISS      0x1000  /* Missed packet (RC) */
        !            79: #define CSR0_MERR      0x0800  /* Memory Error  (RC) */ 
        !            80: #define CSR0_RINT      0x0400  /* Receiver Interrupt (RC) */
        !            81: #define CSR0_TINT       0x0200 /* Transmit Interrupt (RC) */ 
        !            82: #define CSR0_IDON      0x0100  /* Initialization Done (RC) */
        !            83: #define CSR0_INTR      0x0080  /* Interrupt Flag (R) */
        !            84: #define CSR0_INEA      0x0040  /* Interrupt Enable (RW) */
        !            85: #define CSR0_RXON      0x0020  /* Receiver on (R) */
        !            86: #define CSR0_TXON      0x0010  /* Transmitter on (R) */
        !            87: #define CSR0_TDMD      0x0008  /* Transmit Demand (RS) */
        !            88: #define CSR0_STOP      0x0004  /* Stop (RS) */
        !            89: #define CSR0_STRT      0x0002  /* Start (RS) */
        !            90: #define CSR0_INIT      0x0001  /* Initialize (RS) */
        !            91: 
        !            92: #define CSR0_CLRALL     0x7f00  /* mask for all clearable bits */
        !            93: 
        !            94: /*
        !            95:  *    Control and Status Register 3 (CSR3) bit definitions
        !            96:  *
        !            97:  */
        !            98: 
        !            99: #define CSR3_BSWAP     0x0004  /* Byte Swap (RW) */
        !           100: #define CSR3_ACON      0x0002  /* ALE Control (RW) */
        !           101: #define CSR3_BCON      0x0001  /* Byte Control (RW) */
        !           102: 
        !           103: /*
        !           104:  *     Initialization Block Mode operation Bit Definitions.
        !           105:  */
        !           106: 
        !           107: #define MODE_PROM      0x8000  /* Promiscuous Mode */
        !           108: #define MODE_INTL      0x0040  /* Internal Loopback */
        !           109: #define MODE_DRTY      0x0020  /* Disable Retry */ 
        !           110: #define MODE_COLL      0x0010  /* Force Collision */
        !           111: #define MODE_DTCR      0x0008  /* Disable Transmit CRC) */
        !           112: #define MODE_LOOP      0x0004  /* Loopback */
        !           113: #define MODE_DTX       0x0002  /* Disable the Transmitter */ 
        !           114: #define MODE_DRX       0x0001  /* Disable the Receiver */
        !           115: 
        !           116: #define MODE_NORMAL    0x0000  /* Normal operation mode */
        !           117: 
        !           118: /*
        !           119:  *     Receive message descriptor status bit definitions.
        !           120:  */
        !           121: 
        !           122: #define RX_OWN         0x80    /* Owner bit 0 = host, 1 = lance */
        !           123: #define RX_ERR         0x40    /* Error Summary */
        !           124: #define RX_FRAM                0x20    /* Framing Error */
        !           125: #define RX_OFLO                0x10    /* Overflow Error */
        !           126: #define RX_CRC         0x08    /* CRC Error */ 
        !           127: #define RX_BUFF                0x04    /* Buffer Error */
        !           128: #define RX_STP         0x02    /* Start of Packet */
        !           129: #define RX_ENP         0x01    /* End of Packet */
        !           130: 
        !           131: 
        !           132: /*
        !           133:  *     Transmit message descriptor status bit definitions.
        !           134:  */
        !           135: 
        !           136: #define TX_OWN         0x80    /* Owner bit 0 = host, 1 = lance */
        !           137: #define TX_ERR         0x40    /* Error Summary */
        !           138: #define TX_MORE                0x10    /* More the 1 retry needed to Xmit */
        !           139: #define TX_ONE         0x08    /* One retry needed to Xmit */
        !           140: #define TX_DEF         0x04    /* Deferred */
        !           141: #define TX_STP                 0x02    /* Start of Packet */
        !           142: #define TX_ENP         0x01    /* End of Packet */
        !           143: 
        !           144: /*
        !           145:  *      Transmit status (2) (valid if TX_ERR == 1)
        !           146:  */
        !           147: 
        !           148: #define TX_BUFF        0x8000  /* Buffering error (no ENP) */
        !           149: #define TX_UFLO        0x4000  /* Underflow (late memory) */
        !           150: #define TX_LCOL        0x1000  /* Late collision */
        !           151: #define TX_LCAR        0x0400  /* Loss of Carrier */
        !           152: #define TX_RTRY        0x0200  /* Failed after 16 retransmissions  */
        !           153: #define TX_TDR          0x003f  /* Time-domain-reflectometer-value */
        !           154: 
        !           155: 
        !           156: /* 
        !           157:  * Structures used for Communication with the LANCE 
        !           158:  */
        !           159: 
        !           160: /* LANCE Initialize Block */
        !           161: 
        !           162: struct init_block 
        !           163: {
        !           164:   unsigned short mode;     /* Mode Register */
        !           165:   unsigned char  paddr[6]; /* Physical Address (MAC) */
        !           166:   unsigned char  laddr[8]; /* Logical Filter Address (not used) */
        !           167:   unsigned int   rdrp;     /* Receive Descriptor Ring pointer */
        !           168:   unsigned int   tdrp;     /* Transmit Descriptor Ring pointer */
        !           169: };
        !           170: 
        !           171: 
        !           172: /* Receive Message Descriptor Entry */
        !           173: 
        !           174: struct rmd 
        !           175: { 
        !           176:   union
        !           177:   {
        !           178:     unsigned long buffer;     /* Address of buffer */
        !           179:     struct 
        !           180:     {
        !           181:       unsigned char unused[3]; 
        !           182:       unsigned volatile char status;   /* Status Bits */
        !           183:     } s;
        !           184:   } u;
        !           185:   volatile short blen;        /* Buffer Length (two's complement) */
        !           186:   unsigned short mlen;        /* Message Byte Count */
        !           187: };
        !           188: 
        !           189: 
        !           190: /* Transmit Message Descriptor Entry */
        !           191: 
        !           192: struct tmd   
        !           193: {
        !           194:   union 
        !           195:   {
        !           196:     unsigned long  buffer;    /* Address of buffer */
        !           197:     struct 
        !           198:     {
        !           199:       unsigned char unused[3];
        !           200:       unsigned volatile char status;   /* Status Bits */
        !           201:     } s;
        !           202:   } u;
        !           203:   unsigned short blen;             /* Buffer Length (two's complement) */
        !           204:   unsigned volatile short status2; /* Error Status Bits */
        !           205: };
        !           206: 
        !           207: #endif /* End of SK_G16_H */

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