| /* |
| Written 1994 by David C. Davies. |
| |
| Copyright 1994 Digital Equipment Corporation. |
| |
| This software may be used and distributed according to the terms of the |
| GNU General Public License, incorporated herein by reference. |
| |
| The author may be reached as davies@wanton.lkg.dec.com or Digital |
| Equipment Corporation, 550 King Street, Littleton MA 01460. |
| |
| ========================================================================= |
| */ |
| |
| /* |
| ** I/O Address Register Map |
| */ |
| #define EWRK3_CSR iobase+0x00 /* Control and Status Register */ |
| #define EWRK3_CR iobase+0x01 /* Control Register */ |
| #define EWRK3_ICR iobase+0x02 /* Interrupt Control Register */ |
| #define EWRK3_TSR iobase+0x03 /* Transmit Status Register */ |
| #define EWRK3_RSVD1 iobase+0x04 /* RESERVED */ |
| #define EWRK3_RSVD2 iobase+0x05 /* RESERVED */ |
| #define EWRK3_FMQ iobase+0x06 /* Free Memory Queue */ |
| #define EWRK3_FMQC iobase+0x07 /* Free Memory Queue Counter */ |
| #define EWRK3_RQ iobase+0x08 /* Receive Queue */ |
| #define EWRK3_RQC iobase+0x09 /* Receive Queue Counter */ |
| #define EWRK3_TQ iobase+0x0a /* Transmit Queue */ |
| #define EWRK3_TQC iobase+0x0b /* Transmit Queue Counter */ |
| #define EWRK3_TDQ iobase+0x0c /* Transmit Done Queue */ |
| #define EWRK3_TDQC iobase+0x0d /* Transmit Done Queue Counter */ |
| #define EWRK3_PIR1 iobase+0x0e /* Page Index Register 1 */ |
| #define EWRK3_PIR2 iobase+0x0f /* Page Index Register 2 */ |
| #define EWRK3_DATA iobase+0x10 /* Data Register */ |
| #define EWRK3_IOPR iobase+0x11 /* I/O Page Register */ |
| #define EWRK3_IOBR iobase+0x12 /* I/O Base Register */ |
| #define EWRK3_MPR iobase+0x13 /* Memory Page Register */ |
| #define EWRK3_MBR iobase+0x14 /* Memory Base Register */ |
| #define EWRK3_APROM iobase+0x15 /* Address PROM */ |
| #define EWRK3_EPROM1 iobase+0x16 /* EEPROM Data Register 1 */ |
| #define EWRK3_EPROM2 iobase+0x17 /* EEPROM Data Register 2 */ |
| #define EWRK3_PAR0 iobase+0x18 /* Physical Address Register 0 */ |
| #define EWRK3_PAR1 iobase+0x19 /* Physical Address Register 1 */ |
| #define EWRK3_PAR2 iobase+0x1a /* Physical Address Register 2 */ |
| #define EWRK3_PAR3 iobase+0x1b /* Physical Address Register 3 */ |
| #define EWRK3_PAR4 iobase+0x1c /* Physical Address Register 4 */ |
| #define EWRK3_PAR5 iobase+0x1d /* Physical Address Register 5 */ |
| #define EWRK3_CMR iobase+0x1e /* Configuration/Management Register */ |
| |
| /* |
| ** Control Page Map |
| */ |
| #define PAGE0_FMQ 0x000 /* Free Memory Queue */ |
| #define PAGE0_RQ 0x080 /* Receive Queue */ |
| #define PAGE0_TQ 0x100 /* Transmit Queue */ |
| #define PAGE0_TDQ 0x180 /* Transmit Done Queue */ |
| #define PAGE0_HTE 0x200 /* Hash Table Entries */ |
| #define PAGE0_RSVD 0x240 /* RESERVED */ |
| #define PAGE0_USRD 0x600 /* User Data */ |
| |
| /* |
| ** Control and Status Register bit definitions (EWRK3_CSR) |
| */ |
| #define CSR_RA 0x80 /* Runt Accept */ |
| #define CSR_PME 0x40 /* Promiscuous Mode Enable */ |
| #define CSR_MCE 0x20 /* Multicast Enable */ |
| #define CSR_TNE 0x08 /* TX Done Queue Not Empty */ |
| #define CSR_RNE 0x04 /* RX Queue Not Empty */ |
| #define CSR_TXD 0x02 /* TX Disable */ |
| #define CSR_RXD 0x01 /* RX Disable */ |
| |
| /* |
| ** Control Register bit definitions (EWRK3_CR) |
| */ |
| #define CR_APD 0x80 /* Auto Port Disable */ |
| #define CR_PSEL 0x40 /* Port Select (0->TP port) */ |
| #define CR_LBCK 0x20 /* LoopBaCK enable */ |
| #define CR_FDUP 0x10 /* Full DUPlex enable */ |
| #define CR_FBUS 0x08 /* Fast BUS enable (ISA clk > 8.33MHz) */ |
| #define CR_EN_16 0x04 /* ENable 16 bit memory accesses */ |
| #define CR_LED 0x02 /* LED (1-> turn on) */ |
| |
| /* |
| ** Interrupt Control Register bit definitions (EWRK3_ICR) |
| */ |
| #define ICR_IE 0x80 /* Interrupt Enable */ |
| #define ICR_IS 0x60 /* Interrupt Selected */ |
| #define ICR_TNEM 0x08 /* TNE Mask (0->mask) */ |
| #define ICR_RNEM 0x04 /* RNE Mask (0->mask) */ |
| #define ICR_TXDM 0x02 /* TXD Mask (0->mask) */ |
| #define ICR_RXDM 0x01 /* RXD Mask (0->mask) */ |
| |
| /* |
| ** Transmit Status Register bit definitions (EWRK3_TSR) |
| */ |
| #define TSR_NCL 0x80 /* No Carrier Loopback */ |
| #define TSR_ID 0x40 /* Initially Deferred */ |
| #define TSR_LCL 0x20 /* Late CoLlision */ |
| #define TSR_ECL 0x10 /* Excessive CoLlisions */ |
| #define TSR_RCNTR 0x0f /* Retries CouNTeR */ |
| |
| /* |
| ** I/O Page Register bit definitions (EWRK3_IOPR) |
| */ |
| #define EEPROM_INIT 0xc0 /* EEPROM INIT command */ |
| #define EEPROM_WR_EN 0xc8 /* EEPROM WRITE ENABLE command */ |
| #define EEPROM_WR 0xd0 /* EEPROM WRITE command */ |
| #define EEPROM_WR_DIS 0xd8 /* EEPROM WRITE DISABLE command */ |
| #define EEPROM_RD 0xe0 /* EEPROM READ command */ |
| |
| /* |
| ** I/O Base Register bit definitions (EWRK3_IOBR) |
| */ |
| #define EISA_REGS_EN 0x20 /* Enable EISA ID and Control Registers */ |
| #define EISA_IOB 0x1f /* Compare bits for I/O Base Address */ |
| |
| /* |
| ** I/O Configuration/Management Register bit definitions (EWRK3_CMR) |
| */ |
| #define CMR_RA 0x80 /* Read Ahead */ |
| #define CMR_WB 0x40 /* Write Behind */ |
| #define CMR_LINK 0x20 /* 0->TP */ |
| #define CMR_POLARITY 0x10 /* Informational */ |
| #define CMR_NO_EEPROM 0x0c /* NO_EEPROM<1:0> pin status */ |
| #define CMR_HS 0x08 /* Hard Strapped pin status (LeMAC2) */ |
| #define CMR_PNP 0x04 /* Plug 'n Play */ |
| #define CMR_DRAM 0x02 /* 0-> 1DRAM, 1-> 2 DRAM on board */ |
| #define CMR_0WS 0x01 /* Zero Wait State */ |
| |
| /* |
| ** MAC Receive Status Register bit definitions |
| */ |
| |
| #define R_ROK 0x80 /* Receive OK summary */ |
| #define R_IAM 0x10 /* Individual Address Match */ |
| #define R_MCM 0x08 /* MultiCast Match */ |
| #define R_DBE 0x04 /* Dribble Bit Error */ |
| #define R_CRC 0x02 /* CRC error */ |
| #define R_PLL 0x01 /* Phase Lock Lost */ |
| |
| /* |
| ** MAC Transmit Control Register bit definitions |
| */ |
| |
| #define TCR_SQEE 0x40 /* SQE Enable - look for heartbeat */ |
| #define TCR_SED 0x20 /* Stop when Error Detected */ |
| #define TCR_QMODE 0x10 /* Q_MODE */ |
| #define TCR_LAB 0x08 /* Less Aggressive Backoff */ |
| #define TCR_PAD 0x04 /* PAD Runt Packets */ |
| #define TCR_IFC 0x02 /* Insert Frame Check */ |
| #define TCR_ISA 0x01 /* Insert Source Address */ |
| |
| /* |
| ** MAC Transmit Status Register bit definitions |
| */ |
| |
| #define T_VSTS 0x80 /* Valid STatuS */ |
| #define T_CTU 0x40 /* Cut Through Used */ |
| #define T_SQE 0x20 /* Signal Quality Error */ |
| #define T_NCL 0x10 /* No Carrier Loopback */ |
| #define T_LCL 0x08 /* Late Collision */ |
| #define T_ID 0x04 /* Initially Deferred */ |
| #define T_COLL 0x03 /* COLLision status */ |
| #define T_XCOLL 0x03 /* Excessive Collisions */ |
| #define T_MCOLL 0x02 /* Multiple Collisions */ |
| #define T_OCOLL 0x01 /* One Collision */ |
| #define T_NOCOLL 0x00 /* No Collisions */ |
| #define T_XUR 0x03 /* Excessive Underruns */ |
| #define T_TXE 0x7f /* TX Errors */ |
| |
| /* |
| ** EISA Configuration Register bit definitions |
| */ |
| |
| #define EISA_ID iobase + 0x0c80 /* EISA ID Registers */ |
| #define EISA_ID0 iobase + 0x0c80 /* EISA ID Register 0 */ |
| #define EISA_ID1 iobase + 0x0c81 /* EISA ID Register 1 */ |
| #define EISA_ID2 iobase + 0x0c82 /* EISA ID Register 2 */ |
| #define EISA_ID3 iobase + 0x0c83 /* EISA ID Register 3 */ |
| #define EISA_CR iobase + 0x0c84 /* EISA Control Register */ |
| |
| /* |
| ** EEPROM BYTES |
| */ |
| #define EEPROM_MEMB 0x00 |
| #define EEPROM_IOB 0x01 |
| #define EEPROM_EISA_ID0 0x02 |
| #define EEPROM_EISA_ID1 0x03 |
| #define EEPROM_EISA_ID2 0x04 |
| #define EEPROM_EISA_ID3 0x05 |
| #define EEPROM_MISC0 0x06 |
| #define EEPROM_MISC1 0x07 |
| #define EEPROM_PNAME7 0x08 |
| #define EEPROM_PNAME6 0x09 |
| #define EEPROM_PNAME5 0x0a |
| #define EEPROM_PNAME4 0x0b |
| #define EEPROM_PNAME3 0x0c |
| #define EEPROM_PNAME2 0x0d |
| #define EEPROM_PNAME1 0x0e |
| #define EEPROM_PNAME0 0x0f |
| #define EEPROM_SWFLAGS 0x10 |
| #define EEPROM_HWCAT 0x11 |
| #define EEPROM_NETMAN2 0x12 |
| #define EEPROM_REVLVL 0x13 |
| #define EEPROM_NETMAN0 0x14 |
| #define EEPROM_NETMAN1 0x15 |
| #define EEPROM_CHIPVER 0x16 |
| #define EEPROM_SETUP 0x17 |
| #define EEPROM_PADDR0 0x18 |
| #define EEPROM_PADDR1 0x19 |
| #define EEPROM_PADDR2 0x1a |
| #define EEPROM_PADDR3 0x1b |
| #define EEPROM_PADDR4 0x1c |
| #define EEPROM_PADDR5 0x1d |
| #define EEPROM_PA_CRC 0x1e |
| #define EEPROM_CHKSUM 0x1f |
| |
| /* |
| ** EEPROM bytes for checksumming |
| */ |
| #define EEPROM_MAX 32 /* bytes */ |
| |
| /* |
| ** EEPROM MISCELLANEOUS FLAGS |
| */ |
| #define RBE_SHADOW 0x0100 /* Remote Boot Enable Shadow */ |
| #define READ_AHEAD 0x0080 /* Read Ahead feature */ |
| #define IRQ_SEL2 0x0070 /* IRQ line selection (LeMAC2) */ |
| #define IRQ_SEL 0x0060 /* IRQ line selection */ |
| #define FAST_BUS 0x0008 /* ISA Bus speeds > 8.33MHz */ |
| #define ENA_16 0x0004 /* Enables 16 bit memory transfers */ |
| #define WRITE_BEHIND 0x0002 /* Write Behind feature */ |
| #define _0WS_ENA 0x0001 /* Zero Wait State Enable */ |
| |
| /* |
| ** EEPROM NETWORK MANAGEMENT FLAGS |
| */ |
| #define NETMAN_POL 0x04 /* Polarity defeat */ |
| #define NETMAN_LINK 0x02 /* Link defeat */ |
| #define NETMAN_CCE 0x01 /* Custom Counters Enable */ |
| |
| /* |
| ** EEPROM SW FLAGS |
| */ |
| #define SW_SQE 0x10 /* Signal Quality Error */ |
| #define SW_LAB 0x08 /* Less Aggressive Backoff */ |
| #define SW_INIT 0x04 /* Initialized */ |
| #define SW_TIMEOUT 0x02 /* 0:2.5 mins, 1: 30 secs */ |
| #define SW_REMOTE 0x01 /* Remote Boot Enable -> 1 */ |
| |
| /* |
| ** EEPROM SETUP FLAGS |
| */ |
| #define SETUP_APD 0x80 /* AutoPort Disable */ |
| #define SETUP_PS 0x40 /* Port Select */ |
| #define SETUP_MP 0x20 /* MultiPort */ |
| #define SETUP_1TP 0x10 /* 1 port, TP */ |
| #define SETUP_1COAX 0x00 /* 1 port, Coax */ |
| #define SETUP_DRAM 0x02 /* Number of DRAMS on board */ |
| |
| /* |
| ** EEPROM MANAGEMENT FLAGS |
| */ |
| #define MGMT_CCE 0x01 /* Custom Counters Enable */ |
| |
| /* |
| ** EEPROM VERSIONS |
| */ |
| #define LeMAC 0x11 |
| #define LeMAC2 0x12 |
| |
| /* |
| ** Miscellaneous |
| */ |
| |
| #define EEPROM_WAIT_TIME 1000 /* Number of microseconds */ |
| #define EISA_EN 0x0001 /* Enable EISA bus buffers */ |
| |
| #define HASH_TABLE_LEN 512 /* Bits */ |
| |
| #define XCT 0x80 /* Transmit Cut Through */ |
| #define PRELOAD 16 /* 4 long words */ |
| |
| #define MASK_INTERRUPTS 1 |
| #define UNMASK_INTERRUPTS 0 |
| |
| #define EEPROM_OFFSET(a) ((u_short)((u_long)(a))) |
| |
| /* |
| ** Include the IOCTL stuff |
| */ |
| #include <linux/sockios.h> |
| |
| #define EWRK3IOCTL SIOCDEVPRIVATE |
| |
| struct ewrk3_ioctl { |
| unsigned short cmd; /* Command to run */ |
| unsigned short len; /* Length of the data buffer */ |
| unsigned char __user *data; /* Pointer to the data buffer */ |
| }; |
| |
| /* |
| ** Recognised commands for the driver |
| */ |
| #define EWRK3_GET_HWADDR 0x01 /* Get the hardware address */ |
| #define EWRK3_SET_HWADDR 0x02 /* Get the hardware address */ |
| #define EWRK3_SET_PROM 0x03 /* Set Promiscuous Mode */ |
| #define EWRK3_CLR_PROM 0x04 /* Clear Promiscuous Mode */ |
| #define EWRK3_SAY_BOO 0x05 /* Say "Boo!" to the kernel log file */ |
| #define EWRK3_GET_MCA 0x06 /* Get a multicast address */ |
| #define EWRK3_SET_MCA 0x07 /* Set a multicast address */ |
| #define EWRK3_CLR_MCA 0x08 /* Clear a multicast address */ |
| #define EWRK3_MCA_EN 0x09 /* Enable a multicast address group */ |
| #define EWRK3_GET_STATS 0x0a /* Get the driver statistics */ |
| #define EWRK3_CLR_STATS 0x0b /* Zero out the driver statistics */ |
| #define EWRK3_GET_CSR 0x0c /* Get the CSR Register contents */ |
| #define EWRK3_SET_CSR 0x0d /* Set the CSR Register contents */ |
| #define EWRK3_GET_EEPROM 0x0e /* Get the EEPROM contents */ |
| #define EWRK3_SET_EEPROM 0x0f /* Set the EEPROM contents */ |
| #define EWRK3_GET_CMR 0x10 /* Get the CMR Register contents */ |
| #define EWRK3_CLR_TX_CUT_THRU 0x11 /* Clear the TX cut through mode */ |
| #define EWRK3_SET_TX_CUT_THRU 0x12 /* Set the TX cut through mode */ |