125603Skjc/* $NetBSD: if_en_pci.c,v 1.1 1996/06/22 02:00:31 chuck Exp $ */ 2139749Simp/*- 325603Skjc * Copyright (c) 1996 Charles D. Cranor and Washington University. 425603Skjc * All rights reserved. 525603Skjc * 625603Skjc * Redistribution and use in source and binary forms, with or without 725603Skjc * modification, are permitted provided that the following conditions 825603Skjc * are met: 925603Skjc * 1. Redistributions of source code must retain the above copyright 1025603Skjc * notice, this list of conditions and the following disclaimer. 1125603Skjc * 2. Redistributions in binary form must reproduce the above copyright 1225603Skjc * notice, this list of conditions and the following disclaimer in the 1325603Skjc * documentation and/or other materials provided with the distribution. 1425603Skjc * 3. All advertising materials mentioning features or use of this software 1525603Skjc * must display the following acknowledgement: 1625603Skjc * This product includes software developed by Charles D. Cranor and 1725603Skjc * Washington University. 1825603Skjc * 4. The name of the author may not be used to endorse or promote products 1925603Skjc * derived from this software without specific prior written permission. 2025603Skjc * 2125603Skjc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 2225603Skjc * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2325603Skjc * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2425603Skjc * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2525603Skjc * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2625603Skjc * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2725603Skjc * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2825603Skjc * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2925603Skjc * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 3025603Skjc * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3146814Speter * 3225603Skjc */ 3325603Skjc 34119418Sobrien#include <sys/cdefs.h> 35119418Sobrien__FBSDID("$FreeBSD$"); 36119418Sobrien 3725603Skjc/* 3825603Skjc * i f _ e n _ p c i . c 3925603Skjc * 4025603Skjc * author: Chuck Cranor <chuck@ccrc.wustl.edu> 4125603Skjc * started: spring, 1996. 4225603Skjc * 4325603Skjc * FreeBSD PCI glue for the eni155p card. 4425603Skjc * thanks to Matt Thomas for figuring out FreeBSD vs NetBSD vs etc.. diffs. 4525603Skjc */ 46116192Sobrien 4725603Skjc#include <sys/param.h> 4825603Skjc#include <sys/kernel.h> 49129879Sphk#include <sys/module.h> 5025603Skjc#include <sys/systm.h> 5125603Skjc#include <sys/socket.h> 52114018Sharti#include <sys/sysctl.h> 53118494Sharti#include <sys/condvar.h> 5425603Skjc 5568433Skjc#include <sys/bus.h> 5668317Sbde#include <machine/bus.h> 5768433Skjc#include <sys/rman.h> 5868433Skjc#include <machine/resource.h> 5925603Skjc 60114018Sharti#include <vm/uma.h> 61114018Sharti 6225603Skjc#include <net/if.h> 63114018Sharti#include <net/if_atm.h> 64116294Sharti#include <net/if_media.h> 65147256Sbrooks#include <net/if_types.h> 6625603Skjc 67119277Simp#include <dev/pci/pcivar.h> 68119277Simp#include <dev/pci/pcireg.h> 6925603Skjc 70116294Sharti#include <dev/utopia/utopia.h> 7125603Skjc#include <dev/en/midwayreg.h> 7225603Skjc#include <dev/en/midwayvar.h> 7325603Skjc 74114201ShartiMODULE_DEPEND(en, pci, 1, 1, 1); 75114201ShartiMODULE_DEPEND(en, atm, 1, 1, 1); 76116294ShartiMODULE_DEPEND(en, utopia, 1, 1, 1); 77114201Sharti 7825603Skjc/* 7925603Skjc * local structures 8025603Skjc */ 8125603Skjcstruct en_pci_softc { 82114018Sharti /* bus independent stuff */ 83114018Sharti struct en_softc esc; /* includes "device" structure */ 8425603Skjc 85114018Sharti /* freebsd newbus glue */ 86114018Sharti struct resource *res; /* resource descriptor for registers */ 87114018Sharti struct resource *irq; /* resource descriptor for interrupt */ 88114018Sharti void *ih; /* interrupt handle */ 8925603Skjc}; 9025603Skjc 9192739Salfredstatic void eni_get_macaddr(device_t, struct en_pci_softc *); 9292739Salfredstatic void adp_get_macaddr(struct en_pci_softc *); 9342426Skjc 9425603Skjc/* 9525603Skjc * address of config base memory address register in PCI config space 9625603Skjc * (this is card specific) 9725603Skjc */ 98150712Sjhb#define PCI_CBMA PCIR_BAR(0) 9925603Skjc 10025603Skjc/* 10125603Skjc * tonga (pci bridge). ENI cards only! 10225603Skjc */ 10325603Skjc#define EN_TONGA 0x60 /* PCI config addr of tonga reg */ 10425603Skjc 10525603Skjc#define TONGA_SWAP_DMA 0x80 /* endian swap control */ 10625603Skjc#define TONGA_SWAP_BYTE 0x40 10725603Skjc#define TONGA_SWAP_WORD 0x20 108114018Sharti#define TONGA_READ_MULT 0x00 109114018Sharti#define TONGA_READ_MEM 0x04 110114018Sharti#define TONGA_READ_IVAN 0x08 111114018Sharti#define TONGA_READ_KEN 0x0C 11225603Skjc 11325603Skjc/* 11425603Skjc * adaptec pci bridge. ADP cards only! 11525603Skjc */ 11625603Skjc#define ADP_PCIREG 0x050040 /* PCI control register */ 11725603Skjc 11825603Skjc#define ADP_PCIREG_RESET 0x1 /* reset card */ 11925603Skjc#define ADP_PCIREG_IENABLE 0x2 /* interrupt enable */ 12025603Skjc#define ADP_PCIREG_SWAP_WORD 0x4 /* swap byte on slave access */ 12125603Skjc#define ADP_PCIREG_SWAP_DMA 0x8 /* swap byte on DMA */ 12225603Skjc 12325603Skjc#define PCI_VENDOR_EFFICIENTNETS 0x111a /* Efficent Networks */ 12425603Skjc#define PCI_PRODUCT_EFFICIENTNETS_ENI155PF 0x0000 /* ENI-155P ATM */ 12525603Skjc#define PCI_PRODUCT_EFFICIENTNETS_ENI155PA 0x0002 /* ENI-155P ATM */ 12625603Skjc#define PCI_VENDOR_ADP 0x9004 /* adaptec */ 12725603Skjc#define PCI_PRODUCT_ADP_AIC5900 0x5900 12825603Skjc#define PCI_PRODUCT_ADP_AIC5905 0x5905 12925603Skjc#define PCI_VENDOR(x) ((x) & 0xFFFF) 13025603Skjc#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF) 13125603Skjc 13225603Skjc/* 13325603Skjc * bus specific reset function [ADP only!] 13425603Skjc */ 135114018Shartistatic void 136114018Shartiadp_busreset(void *v) 13725603Skjc{ 138114018Sharti struct en_softc *sc = (struct en_softc *)v; 139114018Sharti uint32_t dummy; 14025603Skjc 141114018Sharti bus_space_write_4(sc->en_memt, sc->en_base, ADP_PCIREG, 142114018Sharti ADP_PCIREG_RESET); 143114018Sharti DELAY(1000); /* let it reset */ 144114018Sharti dummy = bus_space_read_4(sc->en_memt, sc->en_base, ADP_PCIREG); 145114018Sharti bus_space_write_4(sc->en_memt, sc->en_base, ADP_PCIREG, 146114018Sharti (ADP_PCIREG_SWAP_DMA | ADP_PCIREG_IENABLE)); 147114018Sharti dummy = bus_space_read_4(sc->en_memt, sc->en_base, ADP_PCIREG); 148114018Sharti if ((dummy & (ADP_PCIREG_SWAP_WORD | ADP_PCIREG_SWAP_DMA)) != 149114018Sharti ADP_PCIREG_SWAP_DMA) 150162321Sglebius device_printf(sc->dev, "%s: Adaptec ATM did NOT reset!\n", 151162321Sglebius __func__); 15225603Skjc} 15325603Skjc 15425603Skjc/***********************************************************************/ 15525603Skjc 15625603Skjc/* 15725603Skjc * autoconfig stuff 15825603Skjc */ 15968433Skjcstatic int 16068433Skjcen_pci_probe(device_t dev) 16125603Skjc{ 162118487Sharti 163114018Sharti switch (pci_get_vendor(dev)) { 164114018Sharti 165114018Sharti case PCI_VENDOR_EFFICIENTNETS: 166114018Sharti switch (pci_get_device(dev)) { 167114018Sharti 168114018Sharti case PCI_PRODUCT_EFFICIENTNETS_ENI155PF: 169114018Sharti case PCI_PRODUCT_EFFICIENTNETS_ENI155PA: 170114018Sharti device_set_desc(dev, "Efficient Networks ENI-155p"); 171143161Simp return (BUS_PROBE_DEFAULT); 172114018Sharti } 173114018Sharti break; 174114018Sharti 175114018Sharti case PCI_VENDOR_ADP: 176114018Sharti switch (pci_get_device(dev)) { 177114018Sharti 178114018Sharti case PCI_PRODUCT_ADP_AIC5900: 179114018Sharti case PCI_PRODUCT_ADP_AIC5905: 180114018Sharti device_set_desc(dev, "Adaptec 155 ATM"); 181143161Simp return (BUS_PROBE_DEFAULT); 182114018Sharti } 183114018Sharti break; 184114018Sharti } 185114018Sharti return (ENXIO); 18625603Skjc} 18725603Skjc 18868433Skjcstatic int 18968433Skjcen_pci_attach(device_t dev) 19025603Skjc{ 191114018Sharti struct en_softc *sc; 192114018Sharti struct en_pci_softc *scp; 193121816Sbrooks int rid, error = 0; 19425603Skjc 195114018Sharti sc = device_get_softc(dev); 196114018Sharti scp = (struct en_pci_softc *)sc; 197162321Sglebius sc->dev = dev; 198147256Sbrooks sc->ifp = if_alloc(IFT_ATM); 199150215Sru if (sc->ifp == NULL) { 200150215Sru device_printf(dev, "can not if_alloc()\n"); 201150215Sru error = ENOSPC; 202150215Sru goto fail; 203150215Sru } 20425603Skjc 205147256Sbrooks if_initname(sc->ifp, device_get_name(dev), 206121816Sbrooks device_get_unit(dev)); 20725603Skjc 208114018Sharti /* 209114018Sharti * Enable bus mastering. 210114018Sharti */ 211150712Sjhb pci_enable_busmaster(dev); 21225603Skjc 213114018Sharti /* 214114018Sharti * Map control/status registers. 215114018Sharti */ 216114018Sharti rid = PCI_CBMA; 217127135Snjl scp->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 218127135Snjl RF_ACTIVE); 219114018Sharti if (scp->res == NULL) { 220114018Sharti device_printf(dev, "could not map memory\n"); 221150215Sru if_free(sc->ifp); 222114018Sharti error = ENXIO; 223114018Sharti goto fail; 224114018Sharti } 22525603Skjc 226114018Sharti sc->en_memt = rman_get_bustag(scp->res); 227114018Sharti sc->en_base = rman_get_bushandle(scp->res); 22825603Skjc 229114018Sharti /* 230114018Sharti * Allocate our interrupt. 231114018Sharti */ 232114018Sharti rid = 0; 233127135Snjl scp->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 234114018Sharti RF_SHAREABLE | RF_ACTIVE); 235114018Sharti if (scp->irq == NULL) { 236114018Sharti device_printf(dev, "could not map interrupt\n"); 237114018Sharti bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res); 238150215Sru if_free(sc->ifp); 239114018Sharti error = ENXIO; 240114018Sharti goto fail; 241114018Sharti } 24225603Skjc 243114018Sharti sc->ipl = 1; /* XXX (required to enable interrupt on midway) */ 24468433Skjc 245114018Sharti /* figure out if we are an adaptec card or not */ 246114018Sharti sc->is_adaptec = (pci_get_vendor(dev) == PCI_VENDOR_ADP) ? 1 : 0; 24725603Skjc 248114018Sharti /* 249114018Sharti * set up pci bridge 250114018Sharti */ 251114018Sharti if (sc->is_adaptec) { 252114018Sharti adp_get_macaddr(scp); 253114018Sharti sc->en_busreset = adp_busreset; 254114018Sharti adp_busreset(sc); 255114018Sharti } else { 256114018Sharti eni_get_macaddr(dev, scp); 257114018Sharti sc->en_busreset = NULL; 258114018Sharti pci_write_config(dev, EN_TONGA, TONGA_SWAP_DMA | TONGA_READ_IVAN, 4); 259114018Sharti } 26025603Skjc 261114018Sharti /* 262114018Sharti * Common attach stuff 263114018Sharti */ 264114018Sharti if ((error = en_attach(sc)) != 0) { 265114018Sharti device_printf(dev, "attach failed\n"); 266114018Sharti bus_teardown_intr(dev, scp->irq, scp->ih); 267114018Sharti bus_release_resource(dev, SYS_RES_IRQ, 0, scp->irq); 268114018Sharti bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res); 269150215Sru if_free(sc->ifp); 270114018Sharti goto fail; 271114018Sharti } 27225603Skjc 273114018Sharti /* 274114018Sharti * Do the interrupt SETUP last just before returning 275114018Sharti */ 276114018Sharti error = bus_setup_intr(dev, scp->irq, INTR_TYPE_NET, 277166901Spiso NULL, en_intr, sc, &scp->ih); 278114018Sharti if (error) { 279114018Sharti en_reset(sc); 280147256Sbrooks atm_ifdetach(sc->ifp); 281114018Sharti device_printf(dev, "could not setup irq\n"); 282114018Sharti bus_release_resource(dev, SYS_RES_IRQ, 0, scp->irq); 283114018Sharti bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res); 284114018Sharti en_destroy(sc); 285150215Sru if_free(sc->ifp); 286114018Sharti goto fail; 287114018Sharti } 28825603Skjc 289114018Sharti return (0); 29068433Skjc 291114018Sharti fail: 292114018Sharti return (error); 29325603Skjc} 29425603Skjc 295114018Sharti/* 296114018Sharti * Detach the adapter 297114018Sharti */ 29868433Skjcstatic int 29968433Skjcen_pci_detach(device_t dev) 30025603Skjc{ 30168433Skjc struct en_softc *sc = device_get_softc(dev); 30268433Skjc struct en_pci_softc *scp = (struct en_pci_softc *)sc; 30368433Skjc 30468433Skjc /* 305114018Sharti * Stop DMA and drop transmit queue. 30668433Skjc */ 307148887Srwatson if ((sc->ifp->if_drv_flags & IFF_DRV_RUNNING)) { 308162321Sglebius device_printf(sc->dev, "still running\n"); 309148887Srwatson sc->ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 310114018Sharti } 31168433Skjc 31268433Skjc /* 313114018Sharti * Close down routes etc. 31468433Skjc */ 31568433Skjc en_reset(sc); 316147256Sbrooks atm_ifdetach(sc->ifp); 31768433Skjc 31868433Skjc /* 31968433Skjc * Deallocate resources. 32068433Skjc */ 32168433Skjc bus_teardown_intr(dev, scp->irq, scp->ih); 32268433Skjc bus_release_resource(dev, SYS_RES_IRQ, 0, scp->irq); 32368433Skjc bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res); 32468433Skjc 32568433Skjc /* 32668433Skjc * Free all the driver internal resources 32768433Skjc */ 328114018Sharti en_destroy(sc); 329150306Simp if_free(sc->ifp); 33068433Skjc 331114018Sharti return (0); 33268433Skjc} 33368433Skjc 33468433Skjcstatic int 33568433Skjcen_pci_shutdown(device_t dev) 33668433Skjc{ 337114018Sharti struct en_pci_softc *psc = device_get_softc(dev); 33868433Skjc 339114018Sharti en_reset(&psc->esc); 340114018Sharti DELAY(10); /* is this necessary? */ 341114018Sharti 342114018Sharti return (0); 34325603Skjc} 34425603Skjc 345114018Sharti/* 346114018Sharti * Get the MAC address from an Adaptec board. No idea how to get 347114018Sharti * serial number or other stuff, because I have no documentation for that 348114018Sharti * card. 349114018Sharti */ 35042426Skjcstatic void 351114018Shartiadp_get_macaddr(struct en_pci_softc *scp) 35225603Skjc{ 353114018Sharti struct en_softc * sc = (struct en_softc *)scp; 354114018Sharti int lcv; 35542426Skjc 356147256Sbrooks for (lcv = 0; lcv < sizeof(IFP2IFATM(sc->ifp)->mib.esi); lcv++) 357147256Sbrooks IFP2IFATM(sc->ifp)->mib.esi[lcv] = bus_space_read_1(sc->en_memt, 358114739Sharti sc->en_base, MID_ADPMACOFF + lcv); 35942426Skjc} 36042426Skjc 36142426Skjc/* 36242426Skjc * Read station (MAC) address from serial EEPROM. 36342426Skjc * derived from linux drivers/atm/eni.c by Werner Almesberger, EPFL LRC. 36442426Skjc */ 365114018Sharti#define EN_PROM_MAGIC 0x0c 366114018Sharti#define EN_PROM_DATA 0x02 367114018Sharti#define EN_PROM_CLK 0x01 368114018Sharti#define EN_ESI 64 369114018Sharti#define EN_SERIAL 112 37042426Skjc 371114018Sharti/* 372114018Sharti * Read a byte from the given address in the EEPROM 373114018Sharti */ 374114018Shartistatic uint8_t 375114018Shartieni_get_byte(device_t dev, uint32_t *data, u_int address) 376114018Sharti{ 377114018Sharti int j; 378114018Sharti uint8_t tmp; 379114018Sharti 380114018Sharti address = (address << 1) + 1; 381114018Sharti 382114018Sharti /* start operation */ 383114018Sharti *data |= EN_PROM_DATA ; 384114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 385114018Sharti *data |= EN_PROM_CLK ; 386114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 387114018Sharti *data &= ~EN_PROM_DATA ; 388114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 389114018Sharti *data &= ~EN_PROM_CLK ; 390114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 391114018Sharti /* send address with serial line */ 392114018Sharti for ( j = 7 ; j >= 0 ; j --) { 393114018Sharti *data = ((address >> j) & 1) ? (*data | EN_PROM_DATA) : 394114018Sharti (*data & ~EN_PROM_DATA); 395114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 396114018Sharti *data |= EN_PROM_CLK ; 397114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 398114018Sharti *data &= ~EN_PROM_CLK ; 399114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 400114018Sharti } 401114018Sharti /* get ack */ 402114018Sharti *data |= EN_PROM_DATA ; 403114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 404114018Sharti *data |= EN_PROM_CLK ; 405114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 406114018Sharti *data = pci_read_config(dev, EN_TONGA, 4); 407114018Sharti *data &= ~EN_PROM_CLK ; 408114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 409114018Sharti *data |= EN_PROM_DATA ; 410114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 411114018Sharti 412114018Sharti tmp = 0; 413114018Sharti 414114018Sharti for ( j = 7 ; j >= 0 ; j --) { 415114018Sharti tmp <<= 1; 416114018Sharti *data |= EN_PROM_DATA ; 417114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 418114018Sharti *data |= EN_PROM_CLK ; 419114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 420114018Sharti *data = pci_read_config(dev, EN_TONGA, 4); 421114018Sharti if(*data & EN_PROM_DATA) tmp |= 1; 422114018Sharti *data &= ~EN_PROM_CLK ; 423114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 424114018Sharti *data |= EN_PROM_DATA ; 425114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 426114018Sharti } 427114018Sharti /* get ack */ 428114018Sharti *data |= EN_PROM_DATA ; 429114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 430114018Sharti *data |= EN_PROM_CLK ; 431114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 432114018Sharti *data = pci_read_config(dev, EN_TONGA, 4); 433114018Sharti *data &= ~EN_PROM_CLK ; 434114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 435114018Sharti *data |= EN_PROM_DATA ; 436114018Sharti pci_write_config(dev, EN_TONGA, *data, 4); 437114018Sharti 438114018Sharti return (tmp); 439114018Sharti} 440114018Sharti 441114018Sharti/* 442114018Sharti * Get MAC address and other stuff from the EEPROM 443114018Sharti */ 44442426Skjcstatic void 44568433Skjceni_get_macaddr(device_t dev, struct en_pci_softc *scp) 44642426Skjc{ 447114018Sharti struct en_softc * sc = (struct en_softc *)scp; 448114018Sharti int i; 449114018Sharti uint32_t data, t_data; 45042426Skjc 451114018Sharti t_data = pci_read_config(dev, EN_TONGA, 4) & 0xffffff00; 45242426Skjc 453114018Sharti data = EN_PROM_MAGIC | EN_PROM_DATA | EN_PROM_CLK; 454114018Sharti pci_write_config(dev, EN_TONGA, data, 4); 45542426Skjc 456147256Sbrooks for (i = 0; i < sizeof(IFP2IFATM(sc->ifp)->mib.esi); i ++) 457147256Sbrooks IFP2IFATM(sc->ifp)->mib.esi[i] = eni_get_byte(dev, &data, i + EN_ESI); 45842426Skjc 459147256Sbrooks IFP2IFATM(sc->ifp)->mib.serial = 0; 460114018Sharti for (i = 0; i < 4; i++) { 461147256Sbrooks IFP2IFATM(sc->ifp)->mib.serial <<= 8; 462147256Sbrooks IFP2IFATM(sc->ifp)->mib.serial |= eni_get_byte(dev, &data, i + EN_SERIAL); 463114018Sharti } 464114018Sharti /* stop operation */ 465114018Sharti data &= ~EN_PROM_DATA; 466114018Sharti pci_write_config(dev, EN_TONGA, data, 4); 467114018Sharti data |= EN_PROM_CLK; 468114018Sharti pci_write_config(dev, EN_TONGA, data, 4); 469114018Sharti data |= EN_PROM_DATA; 470114018Sharti pci_write_config(dev, EN_TONGA, data, 4); 471114018Sharti pci_write_config(dev, EN_TONGA, t_data, 4); 47225603Skjc} 47342426Skjc 474114018Sharti/* 475114018Sharti * Driver infrastructure 476114018Sharti */ 47768433Skjcstatic device_method_t en_methods[] = { 47868433Skjc /* Device interface */ 47968433Skjc DEVMETHOD(device_probe, en_pci_probe), 48068433Skjc DEVMETHOD(device_attach, en_pci_attach), 48168433Skjc DEVMETHOD(device_detach, en_pci_detach), 48268433Skjc DEVMETHOD(device_shutdown, en_pci_shutdown), 48368433Skjc 48468433Skjc { 0, 0 } 48568433Skjc}; 48668433Skjc 48768433Skjcstatic driver_t en_driver = { 48868433Skjc "en", 48968433Skjc en_methods, 49068433Skjc sizeof(struct en_pci_softc), 49168433Skjc}; 49268433Skjc 49368433Skjcstatic devclass_t en_devclass; 49468433Skjc 495118487ShartiDRIVER_MODULE(en, pci, en_driver, en_devclass, en_modevent, 0); 496