Examples/DriverKit/SMC16/SMC16_reloc.tproj/wd83C690.h - view

File: [NeXTSTEP 3.3 examples] / Examples / DriverKit / SMC16 / SMC16_reloc.tproj / wd83C690.h
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:49:00 2018 UTC (8 years, 1 month ago) by root
Branches: NeXT, MAIN
CVS tags: NeXTSTEP33, HEAD

Sample Programs from NeXSTEP 3.3

/* * Copyright (c) 1992 NeXT Computer, Inc. * * WD83C690 Network Interface Chip. * * HISTORY * * 25 July 1992 * Created. */ #import "SMC16Hdw.h" #define NIC_PAGE_SIZE 256 /* * NIC access inlines */ static __inline__ vm_offset_t nic_page_addr(SMC16_off_t page, vm_offset_t base) { return (vm_offset_t)(base + (page * NIC_PAGE_SIZE)); } static __inline__ vm_offset_t nic_page_round(SMC16_off_t addr) { return (vm_offset_t)(((vm_offset_t)(addr) + NIC_PAGE_SIZE - 1) & ~(NIC_PAGE_SIZE - 1)); } /* * Register definitions */ /* * Command register. */ #define NIC_CMD_REG_OFF 0x00 typedef struct { unsigned char stp :1, /* stop device */ sta :1, /* start device */ txp :1, /* begin packet xmt */ :3, psel :2; /* register page select */ } nic_cmd_reg_t; /* * Interrupt status register. */ #define NIC_ISTAT_REG_OFF 0x07 #define NIC_ISTAT_REG_R_PG 0x00 #define NIC_ISTAT_REG_W_PG 0x00 typedef struct { unsigned char prx :1, /* packet recvd */ ptx :1, /* packet xmtd */ rxe :1, /* packet recvd w/error */ txe :1, /* packet xmt error */ ovw :1, /* recv ring overwrite warning */ cnt :1, /* counter overflow warning */ :1, rst :1; /* device stopped */ } nic_istat_reg_t; /* * Interrupt mask register. */ #define NIC_IMASK_REG_OFF 0x0f #define NIC_IMASK_REG_R_PG 0x02 #define NIC_IMASK_REG_W_PG 0x00 typedef struct { unsigned char prxe :1, /* packet recvd enable */ ptxe :1, /* packet xmtd enable */ rxee :1, /* packet recvd w/error enable */ txee :1, /* packet xmt error enable */ ovwe :1, /* recv ring overwrite warning enb */ cnte :1, /* counter overflow waring enable */ :2; } nic_imask_reg_t; /* * Receive status register. */ #define NIC_RSTAT_REG_OFF 0x0C #define NIC_RSTAT_REG_R_PG 0x00 typedef struct { unsigned char prx :1, /* packet recvd w/o error */ crc :1, /* packet recvd w/crc error */ fae :1, /* packet recvd w/framing error */ over :1, /* recv fifo overflow */ mpa :1, /* missed packet occurred */ group :1, /* packet recvd is bcast or mcast */ dis :1, /* receiver is in mon mode */ dfr :1; /* jabber condition on wire */ } nic_rstat_reg_t; /* * Transmit status register. */ #define NIC_TSTAT_REG_OFF 0x04 #define NIC_TSTAT_REG_R_PG 0x00 typedef struct { unsigned char ptx :1, /* packet xmtd on wire */ ndt :1, /* packet xmtd w/o initial deferment */ twc :1, /* xmtd with collisions */ abort :1, /* not xmtd due to excess. coll. */ crl :1, /* packet xmtd but carrier was lost */ under :1, /* xmt fifo underrun */ cdh :1, /* heartbeat detected */ owc :1; /* out of win. collision occurred */ } nic_tstat_reg_t; /* * 83690 features register */ #define NIC_ENH_REG_OFF 0x27 #define NIC_ENH_REG_R_PG 0x02 #define NIC_ENH_REG_W_PG 0x02 typedef struct { unsigned char :3, slot :2, /* slot time */ #define NIC_SLOT_512_BIT 0 #define NIC_SLOT_256_BIT 2 #define NIC_SLOT_1024_BIT 3 :1, wait :2; /* wait states inserted into DMA */ } nic_enh_reg_t; /* * Memory block register */ #define NIC_BLOCK_REG_OFF 0x06 #define NIC_BLOCK_REG_R_PG 0x02 #define NIC_BLOCK_REG_W_PG 0x02 /* * Receive boundary page register. */ #define NIC_BOUND_REG_OFF 0x03 #define NIC_BOUND_REG_R_PG 0x00 #define NIC_BOUND_REG_W_PG 0x00 /* * Receive current page register. */ #define NIC_CURR_REG_OFF 0x07 #define NIC_CURR_REG_R_PG 0x01 #define NIC_CURR_REG_W_PG 0x01 /* * Receive ring start page register. */ #define NIC_RSTART_REG_OFF 0x01 #define NIC_RSTART_REG_R_PG 0x02 #define NIC_RSTART_REG_W_PG 0x00 /* * Receive ring stop page register. */ #define NIC_RSTOP_REG_OFF 0x02 #define NIC_RSTOP_REG_R_PG 0x02 #define NIC_RSTOP_REG_W_PG 0x00 /* * Transmit start page register. */ #define NIC_TSTART_REG_OFF 0x04 #define NIC_TSTART_REG_R_PG 0x02 #define NIC_TSTART_REG_W_PG 0x00 /* * Transmit count registers. */ #define NIC_TCNTL_REG_OFF 0x05 #define NIC_TCNTH_REG_OFF 0x06 #define NIC_TCNT_REG_W_PG 0x00 /* * Station address registers. */ #define NIC_STA_REG_OFF 0x01 #define NIC_STA_REG_R_PG 0x01 #define NIC_STA_REG_W_PG 0x01 /* * Receive configuration register. */ #define NIC_RCON_REG_OFF 0x0c #define NIC_RCON_REG_R_PG 0x02 #define NIC_RCON_REG_W_PG 0x00 typedef struct { unsigned char sep :1, /* save error packets */ runts :1, /* save runt packets */ broad :1, /* receive broadcast packets */ group :1, /* receive *all* multicast packets */ prom :1, /* receive all packets */ mon :1, /* monitor network */ :2; } nic_rcon_reg_t; /* * Transmit configuration register. */ #define NIC_TCON_REG_OFF 0x0d #define NIC_TCON_REG_R_PG 0x02 #define NIC_TCON_REG_W_PG 0x00 typedef struct { unsigned char crcn :1, /* no CRC generation */ lb :2, /* loopback mode */ #define NIC_XMT_LOOPB_NONE 0 #define NIC_XMT_LOOPB_INTER 1 #define NIC_XMT_LOOPB_EXTER_HI 2 #define NIC_XMT_LOOPB_EXTER_LO 3 :5; } nic_tcon_reg_t; /* * Data configuration register. */ #define NIC_DCON_REG_OFF 0x0e #define NIC_DCON_REG_R_PG 0x02 #define NIC_DCON_REG_W_PG 0x00 typedef struct { unsigned char bus16 :1, /* 16 bit DMA transfers */ :4, bsize :2, /* DMA burst length */ #define NIC_DMA_BURST_2b 0 #define NIC_DMA_BURST_4b 1 #define NIC_DMA_BURST_8b 2 #define NIC_DMA_BURST_12b 3 :1; } nic_dcon_reg_t; /* * Counter registers. */ /* Receive alignment errors */ #define NIC_ALICNT_REG_OFF 0x0d #define NIC_ALICNT_REG_R_PG 0x00 /* Transmit collisions (last transmit) */ #define NIC_COLCNT_REG_OFF 0x05 #define NIC_COLCNT_REG_R_PG 0x00 /* Receive CRC errors */ #define NIC_CRCCNT_REG_OFF 0x0e #define NIC_CRCCNT_REG_R_PG 0x00 /* Missed receive packets */ #define NIC_MPCNT_REG_OFF 0x0f #define NIC_MPCNT_REG_R_PG 0x00 /* * Receive packet buffer header. */ typedef struct { nic_rstat_reg_t rstat; unsigned char next; unsigned short len; unsigned char data[0]; } nic_recv_hdr_t;

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