/* * linux/drivers/acorn/net/ether1.h * * Copyright (C) 1996 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Network driver for Acorn Ether1 cards. */ #ifndef _LINUX_ether1_H #define _LINUX_ether1_H #ifdef __ETHER1_C /* use 0 for production, 1 for verification, >2 for debug */ #ifndef NET_DEBUG #define NET_DEBUG 0 #endif #define priv(dev) ((struct ether1_priv *)netdev_priv(dev)) /* Page register */ #define REG_PAGE (priv(dev)->base + 0x0000) /* Control register */ #define REG_CONTROL (priv(dev)->base + 0x0004) #define CTRL_RST 0x01 #define CTRL_LOOPBACK 0x02 #define CTRL_CA 0x04 #define CTRL_ACK 0x08 #define ETHER1_RAM (priv(dev)->base + 0x2000) /* HW address */ #define IDPROM_ADDRESS (priv(dev)->base + 0x0024) struct ether1_priv { void __iomem *base; unsigned int tx_link; unsigned int tx_head; volatile unsigned int tx_tail; volatile unsigned int rx_head; volatile unsigned int rx_tail; unsigned char bus_type; unsigned char resetting; unsigned char initialising : 1; unsigned char restart : 1; }; #define I82586_NULL (-1) typedef struct { /* tdr */ unsigned short tdr_status; unsigned short tdr_command; unsigned short tdr_link; unsigned short tdr_result; #define TDR_TIME (0x7ff) #define TDR_SHORT (1 << 12) #define TDR_OPEN (1 << 13) #define TDR_XCVRPROB (1 << 14) #define TDR_LNKOK (1 << 15) } tdr_t; typedef struct { /* transmit */ unsigned short tx_status; unsigned short tx_command; unsigned short tx_link; unsigned short tx_tbdoffset; } tx_t; typedef struct { /* tbd */ unsigned short tbd_opts; #define TBD_CNT (0x3fff) #define TBD_EOL (1 << 15) unsigned short tbd_link; unsigned short tbd_bufl; unsigned short tbd_bufh; } tbd_t; typedef struct { /* rfd */ unsigned short rfd_status; #define RFD_NOEOF (1 << 6) #define RFD_FRAMESHORT (1 << 7) #define RFD_DMAOVRN (1 << 8) #define RFD_NORESOURCES (1 << 9) #define RFD_ALIGNERROR (1 << 10) #define RFD_CRCERROR (1 << 11) #define RFD_OK (1 << 13) #define RFD_FDCONSUMED (1 << 14) #define RFD_COMPLETE (1 << 15) unsigned short rfd_command; #define RFD_CMDSUSPEND (1 << 14) #define RFD_CMDEL (1 << 15) unsigned short rfd_link; unsigned short rfd_rbdoffset; unsigned char rfd_dest[6]; unsigned char rfd_src[6]; unsigned short rfd_len; } rfd_t; typedef struct { /* rbd */ unsigned short rbd_status; #define RBD_ACNT (0x3fff) #define RBD_ACNTVALID (1 << 14) #define RBD_EOF (1 << 15) unsigned short rbd_link; unsigned short rbd_bufl; unsigned short rbd_bufh; unsigned short rbd_len; } rbd_t; typedef struct { /* nop */ unsigned short nop_status; unsigned short nop_command; unsigned short nop_link; } nop_t; typedef struct { /* set multicast */ unsigned short mc_status; unsigned short mc_command; unsigned short mc_link; unsigned short mc_cnt; unsigned char mc_addrs[1][6]; } mc_t; typedef struct { /* set address */ unsigned short sa_status; unsigned short sa_command; unsigned short sa_link; unsigned char sa_addr[6]; } sa_t; typedef struct { /* config command */ unsigned short cfg_status; unsigned short cfg_command; unsigned short cfg_link; unsigned char cfg_bytecnt; /* size foll data: 4 - 12 */ unsigned char cfg_fifolim; /* FIFO threshold */ unsigned char cfg_byte8; #define CFG8_SRDY (1 << 6) #define CFG8_SAVEBADF (1 << 7) unsigned char cfg_byte9; #define CFG9_ADDRLEN(x) (x) #define CFG9_ADDRLENBUF (1 << 3) #define CFG9_PREAMB2 (0 << 4) #define CFG9_PREAMB4 (1 << 4) #define CFG9_PREAMB8 (2 << 4) #define CFG9_PREAMB16 (3 << 4) #define CFG9_ILOOPBACK (1 << 6) #define CFG9_ELOOPBACK (1 << 7) unsigned char cfg_byte10; #define CFG10_LINPRI(x) (x) #define CFG10_ACR(x) (x << 4) #define CFG10_BOFMET (1 << 7) unsigned char cfg_ifs; unsigned char cfg_slotl; unsigned char cfg_byte13; #define CFG13_SLOTH(x) (x) #define CFG13_RETRY(x) (x << 4) unsigned char cfg_byte14; #define CFG14_PROMISC (1 << 0) #define CFG14_DISBRD (1 << 1) #define CFG14_MANCH (1 << 2) #define CFG14_TNCRS (1 << 3) #define CFG14_NOCRC (1 << 4) #define CFG14_CRC16 (1 << 5) #define CFG14_BTSTF (1 << 6) #define CFG14_FLGPAD (1 << 7) unsigned char cfg_byte15; #define CFG15_CSTF(x) (x) #define CFG15_ICSS (1 << 3) #define CFG15_CDTF(x) (x << 4) #define CFG15_ICDS (1 << 7) unsigned short cfg_minfrmlen; } cfg_t; typedef struct { /* scb */ unsigned short scb_status; /* status of 82586 */ #define SCB_STRXMASK (7 << 4) /* Receive unit status */ #define SCB_STRXIDLE (0 << 4) /* Idle */ #define SCB_STRXSUSP (1 << 4) /* Suspended */ #define SCB_STRXNRES (2 << 4) /* No resources */ #define SCB_STRXRDY (4 << 4) /* Ready */ #define SCB_STCUMASK (7 << 8) /* Command unit status */ #define SCB_STCUIDLE (0 << 8) /* Idle */ #define SCB_STCUSUSP (1 << 8) /* Suspended */ #define SCB_STCUACTV (2 << 8) /* Active */ #define SCB_STRNR (1 << 12) /* Receive unit not ready */ #define SCB_STCNA (1 << 13) /* Command unit not ready */ #define SCB_STFR (1 << 14) /* Frame received */ #define SCB_STCX (1 << 15) /* Command completed */ unsigned short scb_command; /* Next command */ #define SCB_CMDRXSTART (1 << 4) /* Start (at rfa_offset) */ #define SCB_CMDRXRESUME (2 << 4) /* Resume reception */ #define SCB_CMDRXSUSPEND (3 << 4) /* Suspend reception */ #define SCB_CMDRXABORT (4 << 4) /* Abort reception */ #define SCB_CMDCUCSTART (1 << 8) /* Start (at cbl_offset) */ #define SCB_CMDCUCRESUME (2 << 8) /* Resume execution */ #define SCB_CMDCUCSUSPEND (3 << 8) /* Suspend execution */ #define SCB_CMDCUCABORT (4 << 8) /* Abort execution */ #define SCB_CMDACKRNR (1 << 12) /* Ack RU not ready */ #define SCB_CMDACKCNA (1 << 13) /* Ack CU not ready */ #define SCB_CMDACKFR (1 << 14) /* Ack Frame received */ #define SCB_CMDACKCX (1 << 15) /* Ack Command complete */ unsigned short scb_cbl_offset; /* Offset of first command unit */ unsigned short scb_rfa_offset; /* Offset of first receive frame area */ unsigned short scb_crc_errors; /* Properly aligned frame with CRC error*/ unsigned short scb_aln_errors; /* Misaligned frames */ unsigned short scb_rsc_errors; /* Frames lost due to no space */ unsigned short scb_ovn_errors; /* Frames lost due to slow bus */ } scb_t; typedef struct { /* iscp */ unsigned short iscp_busy; /* set by CPU before CA */ unsigned short iscp_offset; /* offset of SCB */ unsigned short iscp_basel; /* base of SCB */ unsigned short iscp_baseh; } iscp_t; /* this address must be 0xfff6 */ typedef struct { /* scp */ unsigned short scp_sysbus; /* bus size */ #define SCP_SY_16BBUS 0x00 #define SCP_SY_8BBUS 0x01 unsigned short scp_junk[2]; /* junk */ unsigned short scp_iscpl; /* lower 16 bits of iscp */ unsigned short scp_iscph; /* upper 16 bits of iscp */ } scp_t; /* commands */ #define CMD_NOP 0 #define CMD_SETADDRESS 1 #define CMD_CONFIG 2 #define CMD_SETMULTICAST 3 #define CMD_TX 4 #define CMD_TDR 5 #define CMD_DUMP 6 #define CMD_DIAGNOSE 7 #define CMD_MASK 7 #define CMD_INTR (1 << 13) #define CMD_SUSP (1 << 14) #define CMD_EOL (1 << 15) #define STAT_COLLISIONS (15) #define STAT_COLLEXCESSIVE (1 << 5) #define STAT_COLLAFTERTX (1 << 6) #define STAT_TXDEFERRED (1 << 7) #define STAT_TXSLOWDMA (1 << 8) #define STAT_TXLOSTCTS (1 << 9) #define STAT_NOCARRIER (1 << 10) #define STAT_FAIL (1 << 11) #define STAT_ABORTED (1 << 12) #define STAT_OK (1 << 13) #define STAT_BUSY (1 << 14) #define STAT_COMPLETE (1 << 15) #endif #endif /* * Ether1 card definitions: * * FAST accesses: * +0 Page register * 16 pages * +4 Control * '1' = reset * '2' = loopback * '4' = CA * '8' = int ack * * RAM at address + 0x2000 * Pod. Prod id = 3 * Words after ID block [base + 8 words] * +0 pcb issue (0x0c and 0xf3 invalid) * +1 - +6 eth hw address */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 935 | 98.32% | 2 | 50.00% |
| Russell King | 16 | 1.68% | 2 | 50.00% |
| Total | 951 | 100.00% | 4 | 100.00% |