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