Annotation of sys/dev/cardbus/if_xl_cardbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_xl_cardbus.c,v 1.19 2007/05/05 13:24:03 deraadt Exp $ */
! 2: /* $NetBSD: if_xl_cardbus.c,v 1.13 2000/03/07 00:32:52 mycroft Exp $ */
! 3:
! 4: /*
! 5: * CardBus specific routines for 3Com 3C575-family CardBus ethernet adapter
! 6: *
! 7: * Copyright (c) 1998 and 1999
! 8: * HAYAKAWA Koichi. All rights reserved.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the author.
! 21: * 4. Neither the name of the author nor the names of any co-contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY HAYAKAWA KOICHI ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL TAKESHI OHASHI OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: *
! 38: */
! 39:
! 40: #include "bpfilter.h"
! 41:
! 42: #include <sys/param.h>
! 43: #include <sys/systm.h>
! 44: #include <sys/mbuf.h>
! 45: #include <sys/socket.h>
! 46: #include <sys/ioctl.h>
! 47: #include <sys/errno.h>
! 48: #include <sys/malloc.h>
! 49: #include <sys/kernel.h>
! 50: #include <sys/proc.h>
! 51: #include <sys/device.h>
! 52:
! 53: #include <net/if.h>
! 54: #include <net/if_dl.h>
! 55: #include <net/if_types.h>
! 56: #include <net/if_media.h>
! 57:
! 58: #ifdef INET
! 59: #include <netinet/in.h>
! 60: #include <netinet/in_systm.h>
! 61: #include <netinet/in_var.h>
! 62: #include <netinet/ip.h>
! 63: #include <netinet/if_ether.h>
! 64: #endif
! 65:
! 66: #include <machine/cpu.h>
! 67: #include <machine/bus.h>
! 68:
! 69: #include <dev/cardbus/cardbusvar.h>
! 70: #include <dev/pci/pcidevs.h>
! 71:
! 72: #include <dev/mii/mii.h>
! 73: #include <dev/mii/miivar.h>
! 74:
! 75: #include <dev/ic/xlreg.h>
! 76:
! 77: #if defined XL_DEBUG
! 78: #define DPRINTF(a) printf a
! 79: #else
! 80: #define DPRINTF(a)
! 81: #endif
! 82:
! 83: #define CARDBUS_3C575BTX_FUNCSTAT_PCIREG CARDBUS_BASE2_REG /* means 0x18 */
! 84:
! 85: int xl_cardbus_match(struct device *, void *, void *);
! 86: void xl_cardbus_attach(struct device *, struct device *,void *);
! 87: int xl_cardbus_detach(struct device *, int);
! 88: void xl_cardbus_intr_ack(struct xl_softc *);
! 89:
! 90: #define XL_CARDBUS_BOOMERANG 0x0001
! 91: #define XL_CARDBUS_CYCLONE 0x0002
! 92:
! 93: #define XL_CARDBUS_INTR 0x0004
! 94: #define XL_CARDBUS_INTR_ACK 0x8000
! 95:
! 96: struct xl_cardbus_softc {
! 97: struct xl_softc sc_softc;
! 98:
! 99: cardbus_devfunc_t sc_ct;
! 100: int sc_intrline;
! 101: u_int8_t sc_cardbus_flags;
! 102: u_int8_t sc_cardtype;
! 103:
! 104: /* CardBus function status space. 575B requests it. */
! 105: bus_space_tag_t sc_funct;
! 106: bus_space_handle_t sc_funch;
! 107: bus_size_t sc_funcsize;
! 108:
! 109: bus_size_t sc_mapsize; /* size of mapped bus space region */
! 110: };
! 111:
! 112: struct cfattach xl_cardbus_ca = {
! 113: sizeof(struct xl_cardbus_softc), xl_cardbus_match,
! 114: xl_cardbus_attach, xl_cardbus_detach
! 115: };
! 116:
! 117: const struct xl_cardbus_product {
! 118: u_int32_t ecp_prodid; /* CardBus product ID */
! 119: int ecp_flags; /* initial softc flags */
! 120: pcireg_t ecp_csr; /* PCI CSR flags */
! 121: int ecp_cardtype; /* card type */
! 122: const char *ecp_name; /* device name */
! 123: } xl_cardbus_products[] = {
! 124: { PCI_PRODUCT_3COM_3C575,
! 125: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM,
! 126: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE,
! 127: XL_CARDBUS_BOOMERANG,
! 128: "3c575-TX Ethernet" },
! 129:
! 130: { PCI_PRODUCT_3COM_3CCFE575BT,
! 131: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
! 132: XL_FLAG_INVERT_LED_PWR,
! 133: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
! 134: CARDBUS_COMMAND_MASTER_ENABLE,
! 135: XL_CARDBUS_CYCLONE,
! 136: "3c575B-TX Ethernet" },
! 137:
! 138: { PCI_PRODUCT_3COM_3CCFE575CT,
! 139: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
! 140: XL_FLAG_INVERT_MII_PWR,
! 141: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
! 142: CARDBUS_COMMAND_MASTER_ENABLE,
! 143: XL_CARDBUS_CYCLONE,
! 144: "3c575C-TX Ethernet" },
! 145:
! 146: { PCI_PRODUCT_3COM_3CCFEM656,
! 147: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
! 148: XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
! 149: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
! 150: CARDBUS_COMMAND_MASTER_ENABLE,
! 151: XL_CARDBUS_CYCLONE,
! 152: "3c656-TX Ethernet" },
! 153:
! 154: { PCI_PRODUCT_3COM_3CCFEM656B,
! 155: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
! 156: XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
! 157: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
! 158: CARDBUS_COMMAND_MASTER_ENABLE,
! 159: XL_CARDBUS_CYCLONE,
! 160: "3c656B-TX Ethernet" },
! 161:
! 162: { PCI_PRODUCT_3COM_3CCFEM656C,
! 163: XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
! 164: XL_FLAG_INVERT_MII_PWR,
! 165: CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
! 166: CARDBUS_COMMAND_MASTER_ENABLE,
! 167: XL_CARDBUS_CYCLONE,
! 168: "3c656C-TX Ethernet" },
! 169:
! 170: { 0,
! 171: 0,
! 172: 0,
! 173: 0,
! 174: NULL },
! 175: };
! 176:
! 177: const struct xl_cardbus_product *xl_cardbus_lookup(const struct cardbus_attach_args *);
! 178:
! 179: const struct xl_cardbus_product *
! 180: xl_cardbus_lookup(const struct cardbus_attach_args *ca)
! 181: {
! 182: const struct xl_cardbus_product *ecp;
! 183:
! 184: if (CARDBUS_VENDOR(ca->ca_id) != PCI_VENDOR_3COM)
! 185: return (NULL);
! 186:
! 187: for (ecp = xl_cardbus_products; ecp->ecp_name != NULL; ecp++)
! 188: if (CARDBUS_PRODUCT(ca->ca_id) == ecp->ecp_prodid)
! 189: return (ecp);
! 190: return (NULL);
! 191: }
! 192:
! 193: int
! 194: xl_cardbus_match(struct device *parent, void *match, void *aux)
! 195: {
! 196: struct cardbus_attach_args *ca = aux;
! 197:
! 198: if (xl_cardbus_lookup(ca) != NULL)
! 199: return (1);
! 200:
! 201: return (0);
! 202: }
! 203:
! 204: void
! 205: xl_cardbus_attach(struct device *parent, struct device *self, void *aux)
! 206: {
! 207: struct xl_cardbus_softc *csc = (void *)self;
! 208: struct xl_softc *sc = &csc->sc_softc;
! 209: struct cardbus_attach_args *ca = aux;
! 210: cardbus_devfunc_t ct = ca->ca_ct;
! 211: cardbus_chipset_tag_t cc = ct->ct_cc;
! 212: cardbus_function_tag_t cf = ct->ct_cf;
! 213: cardbusreg_t iob, command, bhlc;
! 214: const struct xl_cardbus_product *ecp;
! 215: bus_space_handle_t ioh;
! 216: bus_addr_t adr;
! 217:
! 218: if (Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, CARDBUS_MAPREG_TYPE_IO, 0,
! 219: &sc->xl_btag, &ioh, &adr, &csc->sc_mapsize)) {
! 220: printf(": can't map i/o space\n");
! 221: return;
! 222: }
! 223:
! 224: ecp = xl_cardbus_lookup(ca);
! 225: if (ecp == NULL) {
! 226: printf("\n");
! 227: panic("xl_cardbus_attach: impossible");
! 228: }
! 229:
! 230: printf(": 3Com %s", ecp->ecp_name);
! 231:
! 232: sc->xl_flags = ecp->ecp_flags;
! 233: sc->sc_dmat = ca->ca_dmat;
! 234:
! 235: iob = adr;
! 236: sc->xl_bhandle = ioh;
! 237:
! 238: (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE);
! 239:
! 240: command = cardbus_conf_read(cc, cf, ca->ca_tag,
! 241: CARDBUS_COMMAND_STATUS_REG);
! 242: command |= ecp->ecp_csr;
! 243: csc->sc_cardtype = ecp->ecp_cardtype;
! 244:
! 245: if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
! 246: /* map CardBus function status window */
! 247: if (Cardbus_mapreg_map(ct, CARDBUS_BASE2_REG,
! 248: CARDBUS_MAPREG_TYPE_MEM, 0, &csc->sc_funct,
! 249: &csc->sc_funch, 0, &csc->sc_funcsize)) {
! 250: printf("%s: unable to map function status window\n",
! 251: self->dv_xname);
! 252: return;
! 253: }
! 254:
! 255: /*
! 256: * Make sure CardBus bridge can access memory space. Usually
! 257: * memory access is enabled by BIOS, but some BIOSes do not
! 258: * enable it.
! 259: */
! 260: (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
! 261: }
! 262:
! 263: (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
! 264: cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
! 265: command);
! 266:
! 267: /*
! 268: * set latency timer
! 269: */
! 270: bhlc = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG);
! 271: if (CARDBUS_LATTIMER(bhlc) < 0x20) {
! 272: /* at least the value of latency timer should 0x20. */
! 273: DPRINTF(("if_xl_cardbus: lattimer 0x%x -> 0x20\n",
! 274: CARDBUS_LATTIMER(bhlc)));
! 275: bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
! 276: bhlc |= (0x20 << CARDBUS_LATTIMER_SHIFT);
! 277: cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG, bhlc);
! 278: }
! 279:
! 280: csc->sc_ct = ca->ca_ct;
! 281: csc->sc_intrline = ca->ca_intrline;
! 282:
! 283: /* Map and establish the interrupt. */
! 284:
! 285: sc->xl_intrhand = cardbus_intr_establish(cc, cf, ca->ca_intrline,
! 286: IPL_NET, xl_intr, csc, self->dv_xname);
! 287:
! 288: if (sc->xl_intrhand == NULL) {
! 289: printf(": couldn't establish interrupt");
! 290: printf(" at %d", ca->ca_intrline);
! 291: printf("\n");
! 292: return;
! 293: }
! 294: printf(": irq %d", ca->ca_intrline);
! 295:
! 296: sc->intr_ack = xl_cardbus_intr_ack;
! 297:
! 298: xl_attach(sc);
! 299:
! 300: if (csc->sc_cardtype == XL_CARDBUS_CYCLONE)
! 301: bus_space_write_4(csc->sc_funct, csc->sc_funch,
! 302: XL_CARDBUS_INTR, XL_CARDBUS_INTR_ACK);
! 303:
! 304: }
! 305:
! 306: int
! 307: xl_detach(struct xl_softc *sc)
! 308: {
! 309: struct ifnet *ifp = &sc->sc_arpcom.ac_if;
! 310: extern void xl_freetxrx(struct xl_softc *);
! 311:
! 312: /* Unhook our tick handler. */
! 313: timeout_del(&sc->xl_stsup_tmo);
! 314:
! 315: xl_freetxrx(sc);
! 316:
! 317: /* Detach all PHYs */
! 318: if (sc->xl_hasmii)
! 319: mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
! 320:
! 321: /* Delete all remaining media. */
! 322: ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
! 323:
! 324: ether_ifdetach(ifp);
! 325: if_detach(ifp);
! 326:
! 327: if (sc->sc_sdhook != NULL)
! 328: shutdownhook_disestablish(sc->sc_sdhook);
! 329: if (sc->sc_pwrhook != NULL)
! 330: powerhook_disestablish(sc->sc_pwrhook);
! 331:
! 332: return (0);
! 333: }
! 334:
! 335: int
! 336: xl_cardbus_detach(struct device *self, int arg)
! 337: {
! 338: struct xl_cardbus_softc *csc = (void *)self;
! 339: struct xl_softc *sc = &csc->sc_softc;
! 340: struct cardbus_devfunc *ct = csc->sc_ct;
! 341: int rv = 0;
! 342:
! 343: #if defined(DIAGNOSTIC)
! 344: if (ct == NULL) {
! 345: panic("%s: data structure lacks", sc->sc_dev.dv_xname);
! 346: }
! 347: #endif
! 348:
! 349: rv = xl_detach(sc);
! 350: if (rv == 0) {
! 351: /*
! 352: * Unhook the interrupt handler.
! 353: */
! 354: cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf,
! 355: sc->xl_intrhand);
! 356:
! 357: if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
! 358: Cardbus_mapreg_unmap(ct, CARDBUS_BASE2_REG,
! 359: csc->sc_funct, csc->sc_funch, csc->sc_funcsize);
! 360: }
! 361:
! 362: Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->xl_btag,
! 363: sc->xl_bhandle, csc->sc_mapsize);
! 364: }
! 365: return (rv);
! 366: }
! 367:
! 368: void
! 369: xl_cardbus_intr_ack(struct xl_softc *sc)
! 370: {
! 371: struct xl_cardbus_softc *csc = (struct xl_cardbus_softc *)sc;
! 372:
! 373: bus_space_write_4(csc->sc_funct, csc->sc_funch, XL_CARDBUS_INTR,
! 374: XL_CARDBUS_INTR_ACK);
! 375: }
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