if_cs.c revision 50477
1238438Sdteske/* 2238438Sdteske * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko. 3238438Sdteske * All rights reserved. 4252982Sdteske * 5238438Sdteske * Redistribution and use in source and binary forms, with or without 6238438Sdteske * modification, are permitted provided that the following conditions 7238438Sdteske * are met: 8238438Sdteske * 1. Redistributions of source code must retain the above copyright 9238438Sdteske * notice unmodified, this list of conditions, and the following 10238438Sdteske * disclaimer. 11238438Sdteske * 2. Redistributions in binary form must reproduce the above copyright 12238438Sdteske * notice, this list of conditions and the following disclaimer in the 13238438Sdteske * documentation and/or other materials provided with the distribution. 14238438Sdteske * 15238438Sdteske * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16252987Sdteske * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17238438Sdteske * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18238438Sdteske * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19238438Sdteske * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20240797Sdteske * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21238438Sdteske * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22238438Sdteske * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23238438Sdteske * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24238438Sdteske * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25238438Sdteske * SUCH DAMAGE. 26238438Sdteske * 27238438Sdteske */ 28238438Sdteske 29238438Sdteske/* 30238438Sdteske * $FreeBSD: head/sys/dev/cs/if_cs.c 50477 1999-08-28 01:08:13Z peter $ 31240684Sdteske * 32241149Sdteske * Device driver for Crystal Semiconductor CS8920 based ethernet 33240684Sdteske * adapters. By Maxim Bolotin and Oleg Sharoiko, 27-April-1997 34238438Sdteske */ 35244675Sdteske 36244675Sdteske/* #define CS_DEBUG */ 37244675Sdteske#include "cs.h" 38244675Sdteske#include "bpf.h" 39238438Sdteske 40238438Sdteske#include <sys/param.h> 41238438Sdteske#include <sys/systm.h> 42238438Sdteske#include <sys/malloc.h> 43238438Sdteske#include <sys/sockio.h> 44238438Sdteske#include <sys/kernel.h> 45238438Sdteske#include <sys/mbuf.h> 46238438Sdteske#include <sys/socket.h> 47238438Sdteske#include <sys/sysctl.h> 48238438Sdteske#include <sys/syslog.h> 49238438Sdteske 50238438Sdteske#include <net/if.h> 51238438Sdteske#include <net/if_arp.h> 52238438Sdteske#include <net/if_media.h> 53238438Sdteske#include <net/ethernet.h> 54238438Sdteske 55241019Sdteske#if NBPF > 0 56241019Sdteske#include <net/bpf.h> 57241019Sdteske#endif 58241019Sdteske 59241019Sdteske#include <machine/clock.h> 60241019Sdteske 61241019Sdteske#include <i386/isa/isa_device.h> 62241019Sdteske#include <i386/isa/if_csreg.h> 63241019Sdteske 64241019Sdteske#include "pnp.h" 65241019Sdteske 66238438Sdteske#if NPNP > 0 67238438Sdteske#include <i386/isa/pnp.h> 68238438Sdteske#endif 69238438Sdteske 70238438Sdteske#ifdef CS_USE_64K_DMA 71238438Sdteske#define CS_DMA_BUFFER_SIZE 65536 72238438Sdteske#else 73238438Sdteske#define CS_DMA_BUFFER_SIZE 16384 74238438Sdteske#endif 75238438Sdteske 76238438Sdteske/* 77238438Sdteske * cs_softc: per line info and status 78238438Sdteske */ 79238438Sdteskestatic struct cs_softc { 80238438Sdteske 81238438Sdteske /* Ethernet common code */ 82238438Sdteske struct arpcom arpcom; 83238438Sdteske 84238438Sdteske /* Configuration words from EEPROM */ 85238438Sdteske int auto_neg_cnf; /* AutoNegotitation configuration */ 86238438Sdteske int adapter_cnf; /* Adapter configuration */ 87238438Sdteske int isa_config; /* ISA configuration */ 88238438Sdteske int chip_type; /* Type of chip */ 89238438Sdteske 90238438Sdteske struct ifmedia media; /* Media information */ 91238438Sdteske 92238438Sdteske int nic_addr; /* Base IO address of card */ 93238438Sdteske int send_cmd; 94238438Sdteske int line_ctl; /* */ 95238438Sdteske int send_underrun; 96238438Sdteske void *recv_ring; 97238438Sdteske 98238438Sdteske unsigned char *buffer; 99238438Sdteske int buf_len; 100238438Sdteske 101238438Sdteske} cs_softc[NCS]; 102238438Sdteske 103238438Sdteske#if NPNP > 0 104238438Sdteskestatic u_long cs_unit = NCS; 105238438Sdteske#endif 106238438Sdteske 107238438Sdteskestatic int cs_recv_delay = 570; 108238438SdteskeSYSCTL_INT(_machdep, OID_AUTO, cs_recv_delay, CTLFLAG_RW, &cs_recv_delay, 0, ""); 109238438Sdteske 110238438Sdteskestatic int cs_attach __P((struct cs_softc *, int, int)); 111238438Sdteskestatic int cs_attach_isa __P((struct isa_device *)); 112238438Sdteskestatic void cs_init __P((void *)); 113238438Sdteskestatic ointhand2_t csintr; 114238438Sdteskestatic int cs_ioctl __P((struct ifnet *, u_long, caddr_t)); 115238438Sdteskestatic int cs_probe __P((struct isa_device *)); 116238438Sdteskestatic int cs_cs89x0_probe __P((struct cs_softc *, 117238438Sdteske u_int *, int *, int, int, int)); 118238438Sdteskestatic void cs_start __P((struct ifnet *)); 119238438Sdteskestatic void cs_stop __P((struct cs_softc *)); 120238438Sdteskestatic void cs_reset __P((struct cs_softc *)); 121258029Sdteskestatic void cs_watchdog __P((struct ifnet *)); 122258029Sdteske 123238438Sdteskestatic int cs_mediachange __P((struct ifnet *)); 124238438Sdteskestatic void cs_mediastatus __P((struct ifnet *, struct ifmediareq *)); 125238438Sdteskestatic int cs_mediaset __P((struct cs_softc *, int)); 126238438Sdteske 127238438Sdteskestatic void cs_write_mbufs(struct cs_softc*, struct mbuf*); 128238438Sdteskestatic void cs_xmit_buf(struct cs_softc*); 129238438Sdteskestatic int cs_get_packet(struct cs_softc*); 130238438Sdteskestatic void cs_setmode(struct cs_softc*); 131238438Sdteske 132238438Sdteskestatic int get_eeprom_data(struct cs_softc *sc, int, int, int *); 133238438Sdteskestatic int get_eeprom_cksum(int, int, int *); 134238438Sdteskestatic int wait_eeprom_ready( struct cs_softc *); 135238438Sdteskestatic void control_dc_dc( struct cs_softc *, int ); 136238438Sdteskestatic int send_test_pkt( struct cs_softc * ); 137238438Sdteskestatic int enable_tp(struct cs_softc *); 138252178Sdteskestatic int enable_aui(struct cs_softc *); 139238438Sdteskestatic int enable_bnc(struct cs_softc *); 140238438Sdteskestatic int cs_duplex_auto(struct cs_softc *); 141238438Sdteske 142238438Sdteskestruct isa_driver csdriver = { 143238438Sdteske cs_probe, 144238438Sdteske cs_attach_isa, 145238438Sdteske CS_NAME, 146238438Sdteske 0 147238438Sdteske}; 148238438Sdteske 149241042Sdteskestatic int 150238438Sdteskeget_eeprom_data( struct cs_softc *sc, int off, int len, int *buffer) 151240783Sdteske{ 152238438Sdteske int i; 153238438Sdteske 154238438Sdteske#ifdef CS_DEBUG 155238438Sdteske printf(CS_NAME":EEPROM data from %x for %x:\n", off,len); 156238438Sdteske#endif 157238438Sdteske 158238438Sdteske for (i=0;i<len;i++) { 159238438Sdteske if (wait_eeprom_ready(sc) < 0) return -1; 160238438Sdteske /* Send command to EEPROM to read */ 161238438Sdteske cs_writereg(sc->nic_addr, PP_EECMD, (off+i)|EEPROM_READ_CMD ); 162238438Sdteske if (wait_eeprom_ready(sc)<0) 163238438Sdteske return -1; 164238438Sdteske buffer[i] = cs_readreg (sc->nic_addr, PP_EEData); 165238438Sdteske 166238438Sdteske#ifdef CS_DEBUG 167238438Sdteske printf("%02x %02x ",(unsigned char)buffer[i], 168238438Sdteske (unsigned char)buffer[i+1]); 169238438Sdteske#endif 170240798Sdteske } 171238438Sdteske 172238438Sdteske#ifdef CS_DEBUG 173238438Sdteske printf("\n"); 174238438Sdteske#endif 175240783Sdteske 176238438Sdteske return 0; 177238438Sdteske} 178238438Sdteske 179240797Sdteskestatic int 180238438Sdteskeget_eeprom_cksum(int off, int len, int *buffer) 181238438Sdteske{ 182238438Sdteske int i,cksum=0; 183238438Sdteske 184238438Sdteske for (i=0;i<len;i++) 185238438Sdteske cksum+=buffer[i]; 186238438Sdteske cksum &= 0xffff; 187238438Sdteske if (cksum==0) 188238438Sdteske return 0; 189238438Sdteske return -1; 190238438Sdteske} 191238438Sdteske 192238438Sdteskestatic int 193238438Sdteskewait_eeprom_ready(struct cs_softc *sc) 194238438Sdteske{ 195238438Sdteske DELAY ( 30000 ); /* XXX should we do some checks here ? */ 196238438Sdteske return 0; 197238438Sdteske} 198238438Sdteske 199238438Sdteskestatic void 200238438Sdteskecontrol_dc_dc(struct cs_softc *sc, int on_not_off) 201238438Sdteske{ 202238438Sdteske unsigned int self_control = HCB1_ENBL; 203240783Sdteske 204238438Sdteske if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0) ^ on_not_off) 205238438Sdteske self_control |= HCB1; 206238438Sdteske else 207238438Sdteske self_control &= ~HCB1; 208238438Sdteske cs_writereg( sc->nic_addr, PP_SelfCTL, self_control ); 209238438Sdteske 210238438Sdteske DELAY( 500000 ); 211238438Sdteske} 212238438Sdteske 213238438Sdteske 214238438Sdteskestatic int 215238438Sdteskecs_duplex_auto(struct cs_softc *sc) 216238438Sdteske{ 217238438Sdteske int i, error=0, unit=sc->arpcom.ac_if.if_unit; 218238438Sdteske 219238438Sdteske cs_writereg(sc->nic_addr, PP_AutoNegCTL, 220238438Sdteske RE_NEG_NOW | ALLOW_FDX | AUTO_NEG_ENABLE ); 221252178Sdteske for (i=0; cs_readreg(sc->nic_addr,PP_AutoNegST)&AUTO_NEG_BUSY; i++) { 222238438Sdteske if (i > 40000) { 223238438Sdteske printf(CS_NAME"%1d: full/half duplex " 224238438Sdteske "auto negotiation timeout\n", unit); 225238438Sdteske error = ETIMEDOUT; 226238438Sdteske break; 227238438Sdteske } 228238438Sdteske DELAY(1000); 229238438Sdteske } 230238438Sdteske DELAY( 1000000 ); 231238438Sdteske return error; 232238438Sdteske} 233238438Sdteske 234240783Sdteskestatic int 235238438Sdteskeenable_tp(struct cs_softc *sc) 236238438Sdteske{ 237238438Sdteske int unit = sc->arpcom.ac_if.if_unit; 238238438Sdteske 239238438Sdteske cs_writereg(sc->nic_addr, PP_LineCTL, sc->line_ctl & ~AUI_ONLY); 240238438Sdteske control_dc_dc(sc, 0); 241238438Sdteske DELAY( 150000 ); 242238438Sdteske 243238438Sdteske if ((cs_readreg(sc->nic_addr, PP_LineST) & LINK_OK)==0) { 244238438Sdteske printf(CS_NAME"%1d: failed to enable TP\n", unit); 245240783Sdteske return EINVAL; 246238438Sdteske } 247238438Sdteske 248238438Sdteske return 0; 249238438Sdteske} 250238438Sdteske 251238438Sdteske/* 252238438Sdteske * XXX This was rewritten from Linux driver without any tests. 253238438Sdteske */ 254238438Sdteskestatic int 255238438Sdteskesend_test_pkt(struct cs_softc *sc) 256238438Sdteske{ 257238438Sdteske char test_packet[] = { 0,0,0,0,0,0, 0,0,0,0,0,0, 258238438Sdteske 0, 46, /* A 46 in network order */ 259238438Sdteske 0, 0, /* DSAP=0 & SSAP=0 fields */ 260241019Sdteske 0xf3, 0 /* Control (Test Req + P bit set) */ }; 261238438Sdteske int i; 262238438Sdteske u_char ether_address_backup[ETHER_ADDR_LEN]; 263238438Sdteske 264238438Sdteske for (i = 0; i < ETHER_ADDR_LEN; i++) { 265238438Sdteske ether_address_backup[i] = sc->arpcom.ac_enaddr[i]; 266238438Sdteske } 267241019Sdteske 268241019Sdteske cs_writereg(sc->nic_addr, PP_LineCTL, 269241019Sdteske cs_readreg(sc->nic_addr, PP_LineCTL) | SERIAL_TX_ON ); 270238438Sdteske bcopy(test_packet, 271238438Sdteske sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 272238438Sdteske bcopy(test_packet+ETHER_ADDR_LEN, 273238438Sdteske sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 274238438Sdteske outw(sc->nic_addr + TX_CMD_PORT, sc->send_cmd); 275240863Sdteske outw(sc->nic_addr + TX_LEN_PORT, sizeof(test_packet)); 276238438Sdteske 277238438Sdteske /* Wait for chip to allocate memory */ 278238438Sdteske DELAY(50000); 279238438Sdteske if (!(cs_readreg(sc->nic_addr, PP_BusST) & READY_FOR_TX_NOW)) { 280238438Sdteske for (i = 0; i < ETHER_ADDR_LEN; i++) { 281238438Sdteske sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 282238438Sdteske } 283238438Sdteske return 0; 284238438Sdteske } 285238438Sdteske 286238438Sdteske outsw(sc->nic_addr + TX_FRAME_PORT, test_packet, sizeof(test_packet)); 287238438Sdteske 288238438Sdteske DELAY(30000); 289238438Sdteske 290238438Sdteske if ((cs_readreg(sc->nic_addr,PP_TxEvent) & TX_SEND_OK_BITS) == TX_OK) { 291238438Sdteske for (i = 0; i < ETHER_ADDR_LEN; i++) { 292238438Sdteske sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 293238438Sdteske } 294238438Sdteske return 1; 295238438Sdteske } 296238438Sdteske for (i = 0; i < ETHER_ADDR_LEN; i++) { 297238438Sdteske sc->arpcom.ac_enaddr[i] = ether_address_backup[i]; 298238438Sdteske } 299238438Sdteske return 0; 300238438Sdteske} 301238438Sdteske 302238438Sdteske/* 303238438Sdteske * XXX This was rewritten from Linux driver without any tests. 304238438Sdteske */ 305238438Sdteskestatic int 306238438Sdteskeenable_aui(struct cs_softc *sc) 307238438Sdteske{ 308238438Sdteske int unit = sc->arpcom.ac_if.if_unit; 309238438Sdteske 310238438Sdteske control_dc_dc(sc, 0); 311238438Sdteske cs_writereg(sc->nic_addr, PP_LineCTL, 312238438Sdteske (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 313238438Sdteske 314238438Sdteske if (!send_test_pkt(sc)) { 315238438Sdteske printf(CS_NAME"%1d failed to enable AUI\n", unit); 316238438Sdteske return EINVAL; 317238438Sdteske } 318238438Sdteske return 0; 319238438Sdteske} 320238438Sdteske 321238438Sdteske/* 322238438Sdteske * XXX This was rewritten from Linux driver without any tests. 323238438Sdteske */ 324238438Sdteskestatic int 325238438Sdteskeenable_bnc(struct cs_softc *sc) 326238438Sdteske{ 327238438Sdteske int unit = sc->arpcom.ac_if.if_unit; 328238438Sdteske 329238438Sdteske control_dc_dc(sc, 1); 330238438Sdteske cs_writereg(sc->nic_addr, PP_LineCTL, 331238438Sdteske (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 332238438Sdteske 333238438Sdteske if (!send_test_pkt(sc)) { 334238438Sdteske printf(CS_NAME"%1d failed to enable BNC\n", unit); 335238438Sdteske return EINVAL; 336238438Sdteske } 337238438Sdteske return 0; 338238438Sdteske} 339238438Sdteske 340238438Sdteskestatic int 341238438Sdteskecs_cs89x0_probe(struct cs_softc *sc, u_int *dev_irq, 342238438Sdteske int *dev_drq, int iobase, int unit, int flags) 343238438Sdteske{ 344238438Sdteske unsigned rev_type = 0; 345238438Sdteske int i, irq=0; 346238438Sdteske int eeprom_buff[CHKSUM_LEN]; 347238438Sdteske int chip_type, pp_isaint, pp_isadma; 348238438Sdteske char chip_revision; 349238438Sdteske 350238438Sdteske if ((inw(iobase+ADD_PORT) & ADD_MASK) != ADD_SIG) { 351238438Sdteske /* Chip not detected. Let's try to reset it */ 352238438Sdteske if (bootverbose) 353238438Sdteske printf(CS_NAME"%1d: trying to reset the chip.\n", unit); 354238438Sdteske outw(iobase+ADD_PORT, PP_SelfCTL); 355238438Sdteske i = inw(iobase+DATA_PORT); 356238438Sdteske outw(iobase+ADD_PORT, PP_SelfCTL); 357238438Sdteske outw(iobase+DATA_PORT, i | POWER_ON_RESET); 358238438Sdteske if ((inw(iobase+ADD_PORT) & ADD_MASK) != ADD_SIG) 359238438Sdteske return 0; 360238438Sdteske } 361238438Sdteske 362238438Sdteske outw(iobase+ADD_PORT, PP_ChipID); 363238438Sdteske if (inw(iobase+DATA_PORT) != CHIP_EISA_ID_SIG) 364238438Sdteske return 0; 365238438Sdteske 366238438Sdteske rev_type = cs_readreg(iobase, PRODUCT_ID_ADD); 367238438Sdteske chip_type = rev_type & ~REVISON_BITS; 368238438Sdteske chip_revision = ((rev_type & REVISON_BITS) >> 8) + 'A'; 369238438Sdteske 370238438Sdteske sc->nic_addr = iobase; 371238438Sdteske sc->chip_type = chip_type; 372238438Sdteske if(chip_type==CS8900) { 373238438Sdteske pp_isaint = PP_CS8900_ISAINT; 374238438Sdteske pp_isadma = PP_CS8900_ISADMA; 375238438Sdteske sc->send_cmd = TX_CS8900_AFTER_ALL; 376238438Sdteske } else { 377238438Sdteske pp_isaint = PP_CS8920_ISAINT; 378238438Sdteske pp_isadma = PP_CS8920_ISADMA; 379238438Sdteske sc->send_cmd = TX_CS8920_AFTER_ALL; 380238438Sdteske } 381238438Sdteske 382238438Sdteske /* 383238438Sdteske * Clear some fields so that fail of EEPROM will left them clean 384238438Sdteske */ 385238438Sdteske sc->auto_neg_cnf = 0; 386238438Sdteske sc->adapter_cnf = 0; 387238438Sdteske sc->isa_config = 0; 388238438Sdteske 389238438Sdteske /* 390238438Sdteske * EEPROM 391238438Sdteske */ 392238438Sdteske if((cs_readreg(iobase, PP_SelfST) & EEPROM_PRESENT) == 0) { 393238438Sdteske printf(CS_NAME"%1d: No EEPROM, assuming defaults.\n", 394238438Sdteske unit); 395238438Sdteske } else { 396238438Sdteske if (get_eeprom_data(sc,START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 397238438Sdteske printf(CS_NAME"%1d: EEPROM read failed, " 398238438Sdteske "assuming defaults..\n", unit); 399238438Sdteske } else { 400238438Sdteske if (get_eeprom_cksum(START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 401238438Sdteske printf( CS_NAME"%1d: EEPROM cheksum bad, " 402238438Sdteske "assuming defaults..\n", unit ); 403238438Sdteske } else { 404238438Sdteske sc->auto_neg_cnf = 405238438Sdteske eeprom_buff[AUTO_NEG_CNF_OFFSET/2]; 406238438Sdteske sc->adapter_cnf = 407238438Sdteske eeprom_buff[ADAPTER_CNF_OFFSET/2]; 408238438Sdteske sc->isa_config = 409238438Sdteske eeprom_buff[ISA_CNF_OFFSET/2]; 410238438Sdteske 411238438Sdteske for (i=0; i<ETHER_ADDR_LEN/2; i++) { 412238438Sdteske sc->arpcom.ac_enaddr[i*2]= 413238438Sdteske eeprom_buff[i]; 414238438Sdteske sc->arpcom.ac_enaddr[i*2+1]= 415238438Sdteske eeprom_buff[i] >> 8; 416238438Sdteske } 417238438Sdteske 418238438Sdteske /* 419238438Sdteske * If no interrupt specified (or "?"), 420238438Sdteske * use what the board tells us. 421238438Sdteske */ 422238438Sdteske if (*dev_irq <= 0) { 423238438Sdteske irq = sc->isa_config & INT_NO_MASK; 424238438Sdteske if (chip_type==CS8900) { 425238438Sdteske switch(irq) { 426238438Sdteske case 0: irq=10; break; 427238438Sdteske case 1: irq=11; break; 428238438Sdteske case 2: irq=12; break; 429238438Sdteske case 3: irq=5; break; 430238438Sdteske default: printf(CS_NAME"%1d: invalid irq in EEPROM.\n",unit); 431238438Sdteske } 432238438Sdteske if (irq!=0) 433238438Sdteske *dev_irq=(u_short)(1<<irq); 434238438Sdteske } else { 435238438Sdteske if (irq!=0 && irq<=CS8920_NO_INTS) 436238438Sdteske *dev_irq=(u_short)(1<<irq); 437238438Sdteske } 438238438Sdteske } 439238438Sdteske } 440238438Sdteske } 441238438Sdteske } 442238438Sdteske 443238438Sdteske if ((irq=ffs(*dev_irq))) { 444238438Sdteske irq--; 445238438Sdteske if (chip_type == CS8900) { 446238438Sdteske switch(irq) { 447238438Sdteske case 5: irq = 3; break; 448238438Sdteske case 10: irq = 0; break; 449238438Sdteske case 11: irq = 1; break; 450238438Sdteske case 12: irq = 2; break; 451238438Sdteske default: printf(CS_NAME"%1d: invalid irq\n", unit); 452238438Sdteske return 0; 453238438Sdteske } 454240863Sdteske } else { 455238438Sdteske if (irq > CS8920_NO_INTS) { 456238438Sdteske printf(CS_NAME"%1d: invalid irq\n", unit); 457241042Sdteske return 0; 458238438Sdteske } 459238438Sdteske } 460238438Sdteske cs_writereg(iobase, pp_isaint, irq); 461238438Sdteske } else { 462238438Sdteske printf(CS_NAME"%1d: invalid irq\n", unit); 463238438Sdteske return 0; 464238438Sdteske } 465238438Sdteske 466238438Sdteske /* 467238438Sdteske * Temporary disabled 468238438Sdteske * 469238438Sdteske if (drq>0) 470238438Sdteske cs_writereg(iobase, pp_isadma, drq); 471238438Sdteske else { 472238438Sdteske printf( CS_NAME"%1d: incorrect drq\n", unit ); 473238438Sdteske return 0; 474238438Sdteske } 475238438Sdteske */ 476238438Sdteske 477238438Sdteske if (bootverbose) 478238438Sdteske printf(CS_NAME"%1d: model CS89%c0%s rev %c\n" 479238438Sdteske CS_NAME"%1d: media%s%s%s\n" 480238438Sdteske CS_NAME"%1d: irq %d drq %d\n", 481238438Sdteske unit, 482238438Sdteske chip_type==CS8900 ? '0' : '2', 483238438Sdteske chip_type==CS8920M ? "M" : "", 484238438Sdteske chip_revision, 485238438Sdteske unit, 486238438Sdteske (sc->adapter_cnf & A_CNF_10B_T) ? " TP" : "", 487238438Sdteske (sc->adapter_cnf & A_CNF_AUI) ? " AUI" : "", 488238438Sdteske (sc->adapter_cnf & A_CNF_10B_2) ? " BNC" : "", 489238438Sdteske unit, (int)*dev_irq, (int)*dev_drq); 490238438Sdteske 491240783Sdteske if ((sc->adapter_cnf & A_CNF_EXTND_10B_2) && 492238438Sdteske (sc->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) 493238438Sdteske sc->line_ctl = LOW_RX_SQUELCH; 494238438Sdteske else 495238438Sdteske sc->line_ctl = 0; 496238438Sdteske 497238438Sdteske 498238438Sdteske return PP_ISAIOB; 499238438Sdteske} 500240783Sdteske 501238438Sdteske/* 502238438Sdteske * Determine if the device is present 503238438Sdteske * 504238438Sdteske * on entry: 505238438Sdteske * a pointer to an isa_device struct 506238438Sdteske * on exit: 507240783Sdteske * NULL if device not found 508238438Sdteske * or # of i/o addresses used (if found) 509238438Sdteske */ 510238438Sdteskestatic int 511238438Sdteskecs_probe(struct isa_device *dev) 512238438Sdteske{ 513238438Sdteske int nports; 514238438Sdteske 515238438Sdteske struct cs_softc *sc=&cs_softc[dev->id_unit]; 516238438Sdteske 517238438Sdteske nports=cs_cs89x0_probe(sc, &(dev->id_irq), &(dev->id_drq), 518238438Sdteske (dev->id_iobase), (dev->id_unit), (dev->id_flags)); 519238438Sdteske 520238438Sdteske if (nports) 521238438Sdteske return (nports); 522238438Sdteske 523238438Sdteske return (0); 524238438Sdteske} 525238438Sdteske 526238438Sdteske/* 527238438Sdteske * Install the interface into kernel networking data structures 528238438Sdteske */ 529238438Sdteskestatic int 530238438Sdteskecs_attach(struct cs_softc *sc, int unit, int flags) 531238438Sdteske{ 532238438Sdteske int media=0; 533238438Sdteske/* struct cs_softc *sc = &cs_softc[dev->id_unit]; */ 534238438Sdteske struct ifnet *ifp = &(sc->arpcom.ac_if); 535238438Sdteske 536238438Sdteske if (!ifp->if_name) { 537238438Sdteske ifp->if_softc=sc; 538238438Sdteske ifp->if_unit=unit; 539238438Sdteske ifp->if_name=csdriver.name; 540238438Sdteske ifp->if_output=ether_output; 541238438Sdteske ifp->if_start=cs_start; 542238438Sdteske ifp->if_ioctl=cs_ioctl; 543238438Sdteske ifp->if_watchdog=cs_watchdog; 544238438Sdteske ifp->if_init=cs_init; 545238438Sdteske ifp->if_snd.ifq_maxlen= IFQ_MAXLEN; 546238438Sdteske /* 547238438Sdteske * MIB DATA 548238438Sdteske */ 549238438Sdteske /* 550238438Sdteske ifp->if_linkmib=&sc->mibdata; 551238438Sdteske ifp->if_linkmiblen=sizeof sc->mibdata; 552238438Sdteske */ 553238438Sdteske 554238438Sdteske ifp->if_flags=(IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST ); 555238438Sdteske 556238438Sdteske /* 557238438Sdteske * this code still in progress (DMA support) 558238438Sdteske * 559238438Sdteske 560238438Sdteske sc->recv_ring=malloc(CS_DMA_BUFFER_SIZE<<1, M_DEVBUF, M_NOWAIT); 561238438Sdteske if (sc->recv_ring == NULL) { 562238438Sdteske log(LOG_ERR,CS_NAME 563238438Sdteske "%d: Couldn't allocate memory for NIC\n", unit); 564238438Sdteske return(0); 565238438Sdteske } 566238438Sdteske if ((sc->recv_ring-(sc->recv_ring & 0x1FFFF)) 567238438Sdteske < (128*1024-CS_DMA_BUFFER_SIZE)) 568238438Sdteske sc->recv_ring+=16*1024; 569238438Sdteske 570238438Sdteske */ 571238438Sdteske 572240863Sdteske sc->buffer=malloc(ETHER_MAX_LEN-ETHER_CRC_LEN,M_DEVBUF,M_NOWAIT); 573238438Sdteske if (sc->buffer == NULL) { 574238438Sdteske printf(CS_NAME"%d: Couldn't allocate memory for NIC\n", 575238438Sdteske unit); 576238438Sdteske return(0); 577238438Sdteske } 578238438Sdteske 579238438Sdteske /* 580238438Sdteske * Initialize the media structures. 581238438Sdteske */ 582238438Sdteske ifmedia_init(&sc->media, 0, cs_mediachange, cs_mediastatus); 583238438Sdteske 584238438Sdteske if (sc->adapter_cnf & A_CNF_10B_T) { 585238438Sdteske ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 586240783Sdteske if (sc->chip_type != CS8900) { 587240783Sdteske ifmedia_add(&sc->media, 588238438Sdteske IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 589238438Sdteske ifmedia_add(&sc->media, 590238438Sdteske IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 591238438Sdteske } 592238438Sdteske } 593238438Sdteske 594238438Sdteske if (sc->adapter_cnf & A_CNF_10B_2) 595238438Sdteske ifmedia_add(&sc->media, IFM_ETHER|IFM_10_2, 0, NULL); 596238438Sdteske 597238438Sdteske if (sc->adapter_cnf & A_CNF_AUI) 598238438Sdteske ifmedia_add(&sc->media, IFM_ETHER|IFM_10_5, 0, NULL); 599238438Sdteske 600238438Sdteske if (sc->adapter_cnf & A_CNF_MEDIA) 601238438Sdteske ifmedia_add(&sc->media, IFM_ETHER|IFM_AUTO, 0, NULL); 602238438Sdteske 603238438Sdteske /* Set default media from EEPROM */ 604238438Sdteske switch (sc->adapter_cnf & A_CNF_MEDIA_TYPE) { 605238438Sdteske case A_CNF_MEDIA_AUTO: media = IFM_ETHER|IFM_AUTO; break; 606238438Sdteske case A_CNF_MEDIA_10B_T: media = IFM_ETHER|IFM_10_T; break; 607238438Sdteske case A_CNF_MEDIA_10B_2: media = IFM_ETHER|IFM_10_2; break; 608238438Sdteske case A_CNF_MEDIA_AUI: media = IFM_ETHER|IFM_10_5; break; 609238438Sdteske default: printf(CS_NAME"%d: adapter has no media\n", unit); 610238438Sdteske } 611238438Sdteske ifmedia_set(&sc->media, media); 612238438Sdteske cs_mediaset(sc, media); 613238438Sdteske 614238438Sdteske if_attach(ifp); 615238438Sdteske cs_stop( sc ); 616238438Sdteske ether_ifattach(ifp); 617238438Sdteske } 618238438Sdteske 619238438Sdteske if (bootverbose) 620238438Sdteske printf(CS_NAME"%d: ethernet address %6D\n", 621238438Sdteske ifp->if_unit, sc->arpcom.ac_enaddr, ":"); 622238438Sdteske 623238438Sdteske#if NBPF > 0 624238438Sdteske bpfattach(ifp, DLT_EN10MB, sizeof (struct ether_header)); 625238438Sdteske#endif 626238438Sdteske return 1; 627238438Sdteske} 628238438Sdteske 629244675Sdteskestatic int 630244675Sdteskecs_attach_isa(struct isa_device *dev) 631244675Sdteske{ 632244675Sdteske int unit=dev->id_unit; 633238438Sdteske struct cs_softc *sc=&cs_softc[unit]; 634 int flags=dev->id_flags; 635 636 dev->id_ointr = csintr; 637 return cs_attach(sc, unit, flags); 638} 639 640/* 641 * Initialize the board 642 */ 643static void 644cs_init(void *xsc) 645{ 646 struct cs_softc *sc=(struct cs_softc *)xsc; 647 struct ifnet *ifp = &sc->arpcom.ac_if; 648 int i, s, rx_cfg; 649 650 /* address not known */ 651 if (TAILQ_EMPTY(&ifp->if_addrhead)) /* unlikely? XXX */ 652 return; 653 654 /* 655 * reset whatchdog timer 656 */ 657 ifp->if_timer=0; 658 sc->buf_len = 0; 659 660 s=splimp(); 661 662 /* 663 * Hardware initialization of cs 664 */ 665 666 /* Enable receiver and transmitter */ 667 cs_writereg(sc->nic_addr, PP_LineCTL, 668 cs_readreg( sc->nic_addr, PP_LineCTL ) | 669 SERIAL_RX_ON | SERIAL_TX_ON); 670 671 /* Configure the receiver mode */ 672 cs_setmode(sc); 673 674 /* 675 * This defines what type of frames will cause interrupts 676 * Bad frames should generate interrupts so that the driver 677 * could track statistics of discarded packets 678 */ 679 rx_cfg = RX_OK_ENBL | RX_CRC_ERROR_ENBL | RX_RUNT_ENBL | 680 RX_EXTRA_DATA_ENBL; 681 if (sc->isa_config & STREAM_TRANSFER) 682 rx_cfg |= RX_STREAM_ENBL; 683 cs_writereg(sc->nic_addr, PP_RxCFG, rx_cfg); 684 685 cs_writereg(sc->nic_addr, PP_TxCFG, TX_LOST_CRS_ENBL | 686 TX_SQE_ERROR_ENBL | TX_OK_ENBL | TX_LATE_COL_ENBL | 687 TX_JBR_ENBL | TX_ANY_COL_ENBL | TX_16_COL_ENBL); 688 689 cs_writereg(sc->nic_addr, PP_BufCFG, READY_FOR_TX_ENBL | 690 RX_MISS_COUNT_OVRFLOW_ENBL | TX_COL_COUNT_OVRFLOW_ENBL | 691 TX_UNDERRUN_ENBL /*| RX_DMA_ENBL*/); 692 693 /* Write MAC address into IA filter */ 694 for (i=0; i<ETHER_ADDR_LEN/2; i++) 695 cs_writereg(sc->nic_addr, PP_IA+i*2, 696 sc->arpcom.ac_enaddr[i*2] | 697 (sc->arpcom.ac_enaddr[i*2+1] << 8) ); 698 699 /* 700 * Now enable everything 701 */ 702/* 703#ifdef CS_USE_64K_DMA 704 cs_writereg(sc->nic_addr, PP_BusCTL, ENABLE_IRQ | RX_DMA_SIZE_64K); 705 #else 706 707 cs_writereg(sc->nic_addr, PP_BusCTL, ENABLE_IRQ); 708#endif 709*/ 710 cs_writereg(sc->nic_addr, PP_BusCTL, ENABLE_IRQ); 711 712 /* 713 * Set running and clear output active flags 714 */ 715 sc->arpcom.ac_if.if_flags |= IFF_RUNNING; 716 sc->arpcom.ac_if.if_flags &= ~IFF_OACTIVE; 717 718 /* 719 * Start sending process 720 */ 721 cs_start(ifp); 722 723 (void) splx(s); 724} 725 726/* 727 * Get the packet from the board and send it to the upper layer 728 * via ether_input(). 729 */ 730static int 731cs_get_packet(struct cs_softc *sc) 732{ 733 struct ifnet *ifp = &(sc->arpcom.ac_if); 734 int iobase = sc->nic_addr, status, length; 735 struct ether_header *eh; 736 struct mbuf *m; 737 738#ifdef CS_DEBUG 739 int i; 740#endif 741 742 status = inw(iobase + RX_FRAME_PORT); 743 length = inw(iobase + RX_FRAME_PORT); 744 745#ifdef CS_DEBUG 746 printf(CS_NAME"%1d: rcvd: stat %x, len %d\n", 747 ifp->if_unit, status, length); 748#endif 749 750 if (!(status & RX_OK)) { 751#ifdef CS_DEBUG 752 printf(CS_NAME"%1d: bad pkt stat %x\n", ifp->if_unit, status); 753#endif 754 ifp->if_ierrors++; 755 return -1; 756 } 757 758 MGETHDR(m, M_DONTWAIT, MT_DATA); 759 if (m==NULL) 760 return -1; 761 762 if (length > MHLEN) { 763 MCLGET(m, M_DONTWAIT); 764 if (!(m->m_flags & M_EXT)) { 765 m_freem(m); 766 return -1; 767 } 768 } 769 770 /* Initialize packet's header info */ 771 m->m_pkthdr.rcvif = ifp; 772 m->m_pkthdr.len = length; 773 m->m_len = length; 774 775 /* Get the data */ 776 insw(iobase + RX_FRAME_PORT, m->m_data, (length+1)>>1); 777 778 eh = mtod(m, struct ether_header *); 779 780#if NBPF > 0 781 if (ifp->if_bpf) 782 bpf_mtap(ifp, m); 783#endif 784 785#ifdef CS_DEBUG 786 for (i=0;i<length;i++) 787 printf(" %02x",(unsigned char)*((char *)(m->m_data+i))); 788 printf( "\n" ); 789#endif 790 791 if (status & (RX_IA | RX_BROADCAST) || 792 (ifp->if_flags & IFF_MULTICAST && status & RX_HASHED)) { 793 m->m_pkthdr.len -= sizeof(struct ether_header); 794 m->m_len -= sizeof(struct ether_header); 795 m->m_data += sizeof(struct ether_header); 796 797 /* Feed the packet to the upper layer */ 798 ether_input(ifp, eh, m); 799 800 ifp->if_ipackets++; 801 802 if (length==ETHER_MAX_LEN-ETHER_CRC_LEN) 803 DELAY( cs_recv_delay ); 804 } else { 805 m_freem(m); 806 } 807 808 return 0; 809} 810 811/* 812 * Software calls interrupt handler 813 */ 814static void 815csintr_sc(struct cs_softc *sc, int unit) 816{ 817 struct ifnet *ifp = &(sc->arpcom.ac_if); 818 int status; 819 820#ifdef CS_DEBUG 821 printf(CS_NAME"%1d: Interrupt.\n", unit); 822#endif 823 824 while ((status=cs_readword(sc->nic_addr, ISQ_PORT))) { 825 826#ifdef CS_DEBUG 827 printf( CS_NAME"%1d:from ISQ: %04x\n", unit, status ); 828#endif 829 830 switch (status & ISQ_EVENT_MASK) { 831 case ISQ_RECEIVER_EVENT: 832 cs_get_packet(sc); 833 break; 834 835 case ISQ_TRANSMITTER_EVENT: 836 if (status & TX_OK) 837 ifp->if_opackets++; 838 else 839 ifp->if_oerrors++; 840 ifp->if_flags &= ~IFF_OACTIVE; 841 ifp->if_timer = 0; 842 break; 843 844 case ISQ_BUFFER_EVENT: 845 if (status & READY_FOR_TX) { 846 ifp->if_flags &= ~IFF_OACTIVE; 847 ifp->if_timer = 0; 848 } 849 850 if (status & TX_UNDERRUN) { 851 ifp->if_flags &= ~IFF_OACTIVE; 852 ifp->if_timer = 0; 853 ifp->if_oerrors++; 854 } 855 break; 856 857 case ISQ_RX_MISS_EVENT: 858 ifp->if_ierrors+=(status>>6); 859 break; 860 861 case ISQ_TX_COL_EVENT: 862 ifp->if_collisions+=(status>>6); 863 break; 864 } 865 } 866 867 if (!(ifp->if_flags & IFF_OACTIVE)) { 868 cs_start(ifp); 869 } 870} 871 872/* 873 * Handle interrupts 874 */ 875static void 876csintr(int unit) 877{ 878 struct cs_softc *sc = &cs_softc[unit]; 879 880 csintr_sc(sc, unit); 881} 882 883/* 884 * Save the data in buffer 885 */ 886 887static void 888cs_write_mbufs( struct cs_softc *sc, struct mbuf *m ) 889{ 890 int len; 891 struct mbuf *mp; 892 unsigned char *data, *buf; 893 894 for (mp=m, buf=sc->buffer, sc->buf_len=0; mp != NULL; mp=mp->m_next) { 895 len = mp->m_len; 896 897 /* 898 * Ignore empty parts 899 */ 900 if (!len) 901 continue; 902 903 /* 904 * Find actual data address 905 */ 906 data = mtod(mp, caddr_t); 907 908 bcopy((caddr_t) data, (caddr_t) buf, len); 909 buf += len; 910 sc->buf_len += len; 911 } 912} 913 914 915static void 916cs_xmit_buf( struct cs_softc *sc ) 917{ 918 outsw(sc->nic_addr+TX_FRAME_PORT, sc->buffer, (sc->buf_len+1)>>1); 919 sc->buf_len = 0; 920} 921 922static void 923cs_start(struct ifnet *ifp) 924{ 925 int s, length; 926 struct mbuf *m, *mp; 927 struct cs_softc *sc = ifp->if_softc; 928 929 s = splimp(); 930 931 for (;;) { 932 if (sc->buf_len) 933 length = sc->buf_len; 934 else { 935 IF_DEQUEUE( &ifp->if_snd, m ); 936 937 if (m==NULL) { 938 (void) splx(s); 939 return; 940 } 941 942 for (length=0, mp=m; mp != NULL; mp=mp->m_next) 943 length += mp->m_len; 944 945 /* Skip zero-length packets */ 946 if (length == 0) { 947 m_freem(m); 948 continue; 949 } 950 951 cs_write_mbufs(sc, m); 952 953#if NBPF > 0 954 if (ifp->if_bpf) { 955 bpf_mtap(ifp, m); 956 } 957#endif 958 959 m_freem(m); 960 } 961 962 /* 963 * Issue a SEND command 964 */ 965 outw(sc->nic_addr+TX_CMD_PORT, sc->send_cmd); 966 outw(sc->nic_addr+TX_LEN_PORT, length ); 967 968 /* 969 * If there's no free space in the buffer then leave 970 * this packet for the next time: indicate output active 971 * and return. 972 */ 973 if (!(cs_readreg(sc->nic_addr, PP_BusST) & READY_FOR_TX_NOW)) { 974 ifp->if_timer = sc->buf_len; 975 (void) splx(s); 976 ifp->if_flags |= IFF_OACTIVE; 977 return; 978 } 979 980 cs_xmit_buf(sc); 981 982 /* 983 * Set the watchdog timer in case we never hear 984 * from board again. (I don't know about correct 985 * value for this timeout) 986 */ 987 ifp->if_timer = length; 988 989 (void) splx(s); 990 ifp->if_flags |= IFF_OACTIVE; 991 return; 992 } 993} 994 995/* 996 * Stop everything on the interface 997 */ 998static void 999cs_stop(struct cs_softc *sc) 1000{ 1001 int s = splimp(); 1002 1003 cs_writereg(sc->nic_addr, PP_RxCFG, 0); 1004 cs_writereg(sc->nic_addr, PP_TxCFG, 0); 1005 cs_writereg(sc->nic_addr, PP_BufCFG, 0); 1006 cs_writereg(sc->nic_addr, PP_BusCTL, 0); 1007 1008 sc->arpcom.ac_if.if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1009 sc->arpcom.ac_if.if_timer = 0; 1010 1011 (void) splx(s); 1012} 1013 1014/* 1015 * Reset the interface 1016 */ 1017static void 1018cs_reset(struct cs_softc *sc) 1019{ 1020 cs_stop(sc); 1021 cs_init(sc); 1022} 1023 1024static void 1025cs_setmode(struct cs_softc *sc) 1026{ 1027 struct ifnet *ifp = &(sc->arpcom.ac_if); 1028 int rx_ctl; 1029 1030 /* Stop the receiver while changing filters */ 1031 cs_writereg(sc->nic_addr, PP_LineCTL, 1032 cs_readreg(sc->nic_addr, PP_LineCTL) & ~SERIAL_RX_ON); 1033 1034 if (ifp->if_flags & IFF_PROMISC) { 1035 /* Turn on promiscuous mode. */ 1036 rx_ctl = RX_OK_ACCEPT | RX_PROM_ACCEPT; 1037 } else { 1038 if (ifp->if_flags & IFF_MULTICAST) { 1039 /* Allow receiving frames with multicast addresses */ 1040 rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 1041 RX_OK_ACCEPT | RX_MULTCAST_ACCEPT; 1042 /* 1043 * Here the reconfiguration of chip's multicast 1044 * filters should be done but I've no idea about 1045 * hash transformation in this chip. If you can 1046 * add this code or describe me the transformation 1047 * I'd be very glad. 1048 */ 1049 } else { 1050 /* 1051 * Receive only good frames addressed for us and 1052 * good broadcasts. 1053 */ 1054 rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 1055 RX_OK_ACCEPT; 1056 } 1057 } 1058 1059 /* Set up the filter */ 1060 cs_writereg(sc->nic_addr, PP_RxCTL, RX_DEF_ACCEPT | rx_ctl); 1061 1062 /* Turn on receiver */ 1063 cs_writereg(sc->nic_addr, PP_LineCTL, 1064 cs_readreg(sc->nic_addr, PP_LineCTL) | SERIAL_RX_ON); 1065} 1066 1067static int 1068cs_ioctl(register struct ifnet *ifp, u_long command, caddr_t data) 1069{ 1070 struct cs_softc *sc=ifp->if_softc; 1071 struct ifreq *ifr = (struct ifreq *)data; 1072 int s,error=0; 1073 1074#ifdef CS_DEBUG 1075 printf(CS_NAME"%d: ioctl(%x)\n",sc->arpcom.ac_if.if_unit,command); 1076#endif 1077 1078 s=splimp(); 1079 1080 switch (command) { 1081 case SIOCSIFADDR: 1082 case SIOCGIFADDR: 1083 case SIOCSIFMTU: 1084 ether_ioctl(ifp, command, data); 1085 break; 1086 1087 case SIOCSIFFLAGS: 1088 /* 1089 * Switch interface state between "running" and 1090 * "stopped", reflecting the UP flag. 1091 */ 1092 if (sc->arpcom.ac_if.if_flags & IFF_UP) { 1093 if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)==0) { 1094 cs_init(sc); 1095 } 1096 } else { 1097 if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING)!=0) { 1098 cs_stop(sc); 1099 } 1100 } 1101 /* 1102 * Promiscuous and/or multicast flags may have changed, 1103 * so reprogram the multicast filter and/or receive mode. 1104 * 1105 * See note about multicasts in cs_setmode 1106 */ 1107 cs_setmode(sc); 1108 break; 1109 1110 case SIOCADDMULTI: 1111 case SIOCDELMULTI: 1112 /* 1113 * Multicast list has changed; set the hardware filter 1114 * accordingly. 1115 * 1116 * See note about multicasts in cs_setmode 1117 */ 1118 cs_setmode(sc); 1119 error = 0; 1120 break; 1121 1122 case SIOCSIFMEDIA: 1123 case SIOCGIFMEDIA: 1124 error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 1125 break; 1126 1127 default: 1128 error = EINVAL; 1129 } 1130 1131 (void) splx(s); 1132 return error; 1133} 1134 1135/* 1136 * Device timeout/watchdog routine. Entered if the device neglects to 1137 * generate an interrupt after a transmit has been started on it. 1138 */ 1139static void 1140cs_watchdog(struct ifnet *ifp) 1141{ 1142 struct cs_softc *sc = &cs_softc[ifp->if_unit]; 1143 1144 ifp->if_oerrors++; 1145 log(LOG_ERR, CS_NAME"%d: device timeout\n", ifp->if_unit); 1146 1147 /* Reset the interface */ 1148 if (ifp->if_flags & IFF_UP) 1149 cs_reset(sc); 1150 else 1151 cs_stop(sc); 1152} 1153 1154static int 1155cs_mediachange(struct ifnet *ifp) 1156{ 1157 struct cs_softc *sc = ifp->if_softc; 1158 struct ifmedia *ifm = &sc->media; 1159 1160 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1161 return EINVAL; 1162 1163 return cs_mediaset(sc, ifm->ifm_media); 1164} 1165 1166static void 1167cs_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 1168{ 1169 int line_status; 1170 struct cs_softc *sc = ifp->if_softc; 1171 1172 ifmr->ifm_active = IFM_ETHER; 1173 line_status = cs_readreg(sc->nic_addr, PP_LineST); 1174 if (line_status & TENBASET_ON) { 1175 ifmr->ifm_active |= IFM_10_T; 1176 if (sc->chip_type != CS8900) { 1177 if (cs_readreg(sc->nic_addr, PP_AutoNegST) & FDX_ACTIVE) 1178 ifmr->ifm_active |= IFM_FDX; 1179 if (cs_readreg(sc->nic_addr, PP_AutoNegST) & HDX_ACTIVE) 1180 ifmr->ifm_active |= IFM_HDX; 1181 } 1182 ifmr->ifm_status = IFM_AVALID; 1183 if (line_status & LINK_OK) 1184 ifmr->ifm_status |= IFM_ACTIVE; 1185 } else { 1186 if (line_status & AUI_ON) { 1187 cs_writereg(sc->nic_addr, PP_SelfCTL, 1188 cs_readreg(sc->nic_addr, PP_SelfCTL) | 1189 HCB1_ENBL); 1190 if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0)^ 1191 (cs_readreg(sc->nic_addr, PP_SelfCTL)&HCB1)) 1192 ifmr->ifm_active |= IFM_10_2; 1193 else 1194 ifmr->ifm_active |= IFM_10_5; 1195 } 1196 } 1197} 1198 1199static int 1200cs_mediaset(struct cs_softc *sc, int media) 1201{ 1202 int error; 1203 1204 /* Stop the receiver & transmitter */ 1205 cs_writereg(sc->nic_addr, PP_LineCTL, 1206 cs_readreg(sc->nic_addr, PP_LineCTL) & 1207 ~(SERIAL_RX_ON | SERIAL_TX_ON)); 1208 1209#ifdef CS_DEBUG 1210 printf(CS_NAME"%d: cs_setmedia(%x)\n",sc->arpcom.ac_if.if_unit,media); 1211#endif 1212 1213 switch (IFM_SUBTYPE(media)) { 1214 default: 1215 case IFM_AUTO: 1216 if ((error=enable_tp(sc))==0) 1217 error = cs_duplex_auto(sc); 1218 else if ((error=enable_bnc(sc)) != 0) 1219 error = enable_aui(sc); 1220 break; 1221 case IFM_10_T: 1222 if ((error=enable_tp(sc)) != 0) 1223 break; 1224 if (media & IFM_FDX) 1225 cs_duplex_full(sc); 1226 else if (media & IFM_HDX) 1227 cs_duplex_half(sc); 1228 else 1229 error = cs_duplex_auto(sc); 1230 break; 1231 case IFM_10_2: 1232 error = enable_bnc(sc); 1233 break; 1234 case IFM_10_5: 1235 error = enable_aui(sc); 1236 break; 1237 } 1238 1239 /* 1240 * Turn the transmitter & receiver back on 1241 */ 1242 cs_writereg(sc->nic_addr, PP_LineCTL, 1243 cs_readreg( sc->nic_addr, PP_LineCTL ) | 1244 SERIAL_RX_ON | SERIAL_TX_ON); 1245 1246 return error; 1247} 1248 1249 1250#if NPNP > 0 1251 1252static struct cspnp_ids { 1253 u_long vend_id; 1254 char *id_str; 1255} cspnp_ids[]= { 1256 { 0x4060630e, "CSC6040" }, 1257 { 0x10104d24, "IBM EtherJet" }, 1258 { 0 } 1259}; 1260 1261static char *cs_pnp_probe(u_long, u_long); 1262static void cs_pnp_attach(u_long, u_long, char *, struct isa_device *); 1263 1264struct pnp_device cs_pnp = { 1265 "CS8920 based PnP Ethernet", 1266 cs_pnp_probe, 1267 cs_pnp_attach, 1268 &cs_unit, 1269 &net_imask /* imask */ 1270}; 1271 1272DATA_SET (pnpdevice_set, cs_pnp); 1273 1274struct csintr_list { 1275 struct cs_softc *sc; 1276 int unit; 1277 struct csintr_list *next; 1278}; 1279 1280static struct csintr_list *csintr_head; 1281 1282static void csintr_pnp_add(struct cs_softc *sc, int unit); 1283static void csintr_pnp(int unit); 1284 1285static void 1286csintr_pnp_add(struct cs_softc *sc, int unit) 1287{ 1288 struct csintr_list *intr; 1289 1290 if (!sc) return; 1291 1292 intr = malloc (sizeof (*intr), M_DEVBUF, M_WAITOK); 1293 if (!intr) return; 1294 1295 intr->sc = sc; 1296 intr->unit = unit; 1297 intr->next = csintr_head; 1298 csintr_head = intr; 1299} 1300 1301/* 1302 * Interrupt handler for PNP installed card 1303 * We have to find the number of the card. 1304 */ 1305static void 1306csintr_pnp(int unit) 1307{ 1308 struct csintr_list *intr; 1309 1310 for (intr=csintr_head; intr; intr=intr->next) { 1311 if (intr->unit == unit) 1312 csintr_sc(intr->sc, unit); 1313 break; 1314 } 1315} 1316 1317static char * 1318cs_pnp_probe(u_long csn, u_long vend_id) 1319{ 1320 struct cspnp_ids *ids; 1321 char *s=NULL; 1322 1323 for(ids = cspnp_ids; ids->vend_id != 0; ids++) { 1324 if (vend_id == ids->vend_id) { 1325 s = ids->id_str; 1326 break; 1327 } 1328 } 1329 1330 if (s) { 1331 struct pnp_cinfo d; 1332 int ldn = 0; 1333 1334 read_pnp_parms(&d, ldn); 1335 if (d.enable == 0) { 1336 printf("This is a %s, but LDN %d is disabled\n", s, ldn); 1337 return NULL ; 1338 } 1339 return s; 1340 } 1341 1342 return NULL ; 1343} 1344 1345static void 1346cs_pnp_attach(u_long csn, u_long vend_id, char *name, 1347 struct isa_device *dev) 1348{ 1349 1350 struct pnp_cinfo d; 1351 int ldn = 0; 1352 int iobase, unit, flags; 1353 u_int irq; 1354 int drq; 1355 struct cs_softc *sc = malloc(sizeof *sc, M_DEVBUF, M_NOWAIT); 1356 1357 if (read_pnp_parms ( &d , ldn ) == 0 ) { 1358 printf("failed to read pnp parms\n"); 1359 return; 1360 } 1361 1362 write_pnp_parms( &d, ldn ); 1363 enable_pnp_card(); 1364 1365 iobase = dev->id_iobase = d.port[0]; 1366 irq = dev->id_irq = (1 << d.irq[0] ); 1367 drq = dev->id_drq = d.drq[0]; 1368 dev->id_maddr = 0; 1369 dev->id_ointr = csintr_pnp; 1370 flags = dev->id_flags = 0; 1371 unit = dev->id_unit; 1372 1373 if (dev->id_driver == NULL) { 1374 dev->id_driver = &csdriver; 1375 dev->id_id = isa_compat_nextid(); 1376 } 1377 1378 if (!sc) return; 1379 1380 bzero(sc, sizeof *sc); 1381 if (cs_cs89x0_probe(sc, &irq, &drq, iobase, unit, flags) == 0 1382 || cs_attach(sc, unit, flags) == 0) { 1383 free(sc, M_DEVBUF); 1384 } else { 1385 if ((irq != dev->id_irq) 1386 || (drq != dev->id_drq) 1387 || (iobase != dev->id_iobase) 1388 || (unit != dev->id_unit) 1389 || (flags != dev->id_flags) 1390 ) { 1391 printf("failed to pnp card parametars\n"); 1392 } 1393 } 1394 csintr_pnp_add(sc, dev->id_unit); 1395} 1396#endif /* NPNP */ 1397