Annotation of sys/dev/cardbus/cardbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cardbus.c,v 1.34 2006/10/12 16:35:51 grange Exp $ */
! 2: /* $NetBSD: cardbus.c,v 1.24 2000/04/02 19:11:37 mycroft Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1997, 1998, 1999 and 2000
! 6: * HAYAKAWA Koichi. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by HAYAKAWA Koichi.
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission.
! 21: *
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
! 25: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! 26: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
! 27: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 28: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 29: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 31: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! 32: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 33: * POSSIBILITY OF SUCH DAMAGE.
! 34: */
! 35:
! 36: #include <sys/param.h>
! 37: #include <sys/systm.h>
! 38: #include <sys/device.h>
! 39: #include <sys/malloc.h>
! 40: #include <sys/kernel.h>
! 41: #include <sys/syslog.h>
! 42: #include <sys/proc.h>
! 43:
! 44: #include <machine/bus.h>
! 45:
! 46: #include <dev/cardbus/cardbusvar.h>
! 47: #include <dev/pci/pcidevs.h>
! 48:
! 49: #include <dev/cardbus/cardbus_exrom.h>
! 50:
! 51: #include <dev/pci/pcivar.h> /* XXX */
! 52: #include <dev/pci/pcireg.h> /* XXX */
! 53:
! 54: #include <dev/pcmcia/pcmciareg.h>
! 55:
! 56: #if defined CARDBUS_DEBUG
! 57: #define STATIC
! 58: #define DPRINTF(a) printf a
! 59: #else
! 60: #define STATIC static
! 61: #define DPRINTF(a)
! 62: #endif
! 63:
! 64: STATIC void cardbusattach(struct device *, struct device *, void *);
! 65: /* STATIC int cardbusprint(void *, const char *); */
! 66:
! 67: STATIC int cardbusmatch(struct device *, void *, void *);
! 68: static int cardbussubmatch(struct device *, void *, void *);
! 69: static int cardbusprint(void *, const char *);
! 70:
! 71: typedef void (*tuple_decode_func)(u_int8_t *, int, void *);
! 72:
! 73: static int decode_tuples(u_int8_t *, int, tuple_decode_func, void *);
! 74: #ifdef CARDBUS_DEBUG
! 75: static void print_tuple(u_int8_t *, int, void *);
! 76: #endif
! 77:
! 78: static int cardbus_read_tuples(struct cardbus_attach_args *,
! 79: cardbusreg_t, u_int8_t *, size_t);
! 80:
! 81: static void enable_function(struct cardbus_softc *, int, int);
! 82: static void disable_function(struct cardbus_softc *, int);
! 83:
! 84:
! 85: struct cfattach cardbus_ca = {
! 86: sizeof(struct cardbus_softc), cardbusmatch, cardbusattach
! 87: };
! 88:
! 89: struct cfdriver cardbus_cd = {
! 90: NULL, "cardbus", DV_DULL
! 91: };
! 92:
! 93: STATIC int
! 94: cardbusmatch(struct device *parent, void *match, void *aux)
! 95: {
! 96: struct cfdata *cf = match;
! 97: struct cbslot_attach_args *cba = aux;
! 98:
! 99: if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) {
! 100: DPRINTF(("cardbusmatch: busname differs %s <=> %s\n",
! 101: cba->cba_busname, cf->cf_driver->cd_name));
! 102: return (0);
! 103: }
! 104:
! 105: return (1);
! 106: }
! 107:
! 108: STATIC void
! 109: cardbusattach(struct device *parent, struct device *self, void *aux)
! 110: {
! 111: struct cardbus_softc *sc = (void *)self;
! 112: struct cbslot_attach_args *cba = aux;
! 113: int cdstatus;
! 114:
! 115: sc->sc_bus = cba->cba_bus;
! 116: sc->sc_device = 0;
! 117: sc->sc_intrline = cba->cba_intrline;
! 118: sc->sc_cacheline = cba->cba_cacheline;
! 119: sc->sc_lattimer = cba->cba_lattimer;
! 120:
! 121: printf(": bus %d device %d", sc->sc_bus, sc->sc_device);
! 122: printf(" cacheline 0x%x, lattimer 0x%x\n",
! 123: sc->sc_cacheline,sc->sc_lattimer);
! 124:
! 125: sc->sc_iot = cba->cba_iot; /* CardBus I/O space tag */
! 126: sc->sc_memt = cba->cba_memt; /* CardBus MEM space tag */
! 127: sc->sc_dmat = cba->cba_dmat; /* DMA tag */
! 128: sc->sc_cc = cba->cba_cc;
! 129: sc->sc_cf = cba->cba_cf;
! 130: sc->sc_rbus_iot = cba->cba_rbus_iot;
! 131: sc->sc_rbus_memt = cba->cba_rbus_memt;
! 132:
! 133: sc->sc_funcs = NULL;
! 134:
! 135: cdstatus = 0;
! 136: }
! 137:
! 138: static int
! 139: cardbus_read_tuples(struct cardbus_attach_args *ca, cardbusreg_t cis_ptr,
! 140: u_int8_t *tuples, size_t len)
! 141: {
! 142: struct cardbus_softc *sc = ca->ca_ct->ct_sc;
! 143: cardbus_chipset_tag_t cc = ca->ca_ct->ct_cc;
! 144: cardbus_function_tag_t cf = ca->ca_ct->ct_cf;
! 145: cardbustag_t tag = ca->ca_tag;
! 146: cardbusreg_t command;
! 147: int found = 0;
! 148:
! 149: int i, j;
! 150: int cardbus_space = cis_ptr & CARDBUS_CIS_ASIMASK;
! 151: bus_space_tag_t bar_tag;
! 152: bus_space_handle_t bar_memh;
! 153: bus_size_t bar_size;
! 154: bus_addr_t bar_addr;
! 155:
! 156: int reg;
! 157:
! 158: memset(tuples, 0, len);
! 159:
! 160: cis_ptr = cis_ptr & CARDBUS_CIS_ADDRMASK;
! 161:
! 162: switch (cardbus_space) {
! 163: case CARDBUS_CIS_ASI_TUPLE:
! 164: DPRINTF(("%s: reading CIS data from configuration space\n",
! 165: sc->sc_dev.dv_xname));
! 166: for (i = cis_ptr, j = 0; i < 0xff; i += 4) {
! 167: u_int32_t e = (cf->cardbus_conf_read)(cc, tag, i);
! 168: tuples[j] = 0xff & e;
! 169: e >>= 8;
! 170: tuples[j + 1] = 0xff & e;
! 171: e >>= 8;
! 172: tuples[j + 2] = 0xff & e;
! 173: e >>= 8;
! 174: tuples[j + 3] = 0xff & e;
! 175: j += 4;
! 176: }
! 177: found++;
! 178: break;
! 179:
! 180: case CARDBUS_CIS_ASI_BAR0:
! 181: case CARDBUS_CIS_ASI_BAR1:
! 182: case CARDBUS_CIS_ASI_BAR2:
! 183: case CARDBUS_CIS_ASI_BAR3:
! 184: case CARDBUS_CIS_ASI_BAR4:
! 185: case CARDBUS_CIS_ASI_BAR5:
! 186: case CARDBUS_CIS_ASI_ROM:
! 187: if (cardbus_space == CARDBUS_CIS_ASI_ROM) {
! 188: reg = CARDBUS_ROM_REG;
! 189: DPRINTF(("%s: reading CIS data from ROM\n",
! 190: sc->sc_dev.dv_xname));
! 191: } else {
! 192: reg = CARDBUS_BASE0_REG + (cardbus_space - 1) * 4;
! 193: DPRINTF(("%s: reading CIS data from BAR%d\n",
! 194: sc->sc_dev.dv_xname, cardbus_space - 1));
! 195: }
! 196:
! 197: /* XXX zero register so mapreg_map doesn't get confused by old
! 198: contents */
! 199: cardbus_conf_write(cc, cf, tag, reg, 0);
! 200: if (Cardbus_mapreg_map(ca->ca_ct, reg,
! 201: CARDBUS_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
! 202: &bar_tag, &bar_memh, &bar_addr, &bar_size)) {
! 203: printf("%s: failed to map memory\n",
! 204: sc->sc_dev.dv_xname);
! 205: return (1);
! 206: }
! 207:
! 208: if (cardbus_space == CARDBUS_CIS_ASI_ROM) {
! 209: cardbusreg_t exrom;
! 210: int save;
! 211: struct cardbus_rom_image_head rom_image;
! 212: struct cardbus_rom_image *p;
! 213:
! 214: save = splhigh();
! 215: /* enable rom address decoder */
! 216: exrom = cardbus_conf_read(cc, cf, tag, reg);
! 217: cardbus_conf_write(cc, cf, tag, reg, exrom | 1);
! 218:
! 219: command = cardbus_conf_read(cc, cf, tag,
! 220: CARDBUS_COMMAND_STATUS_REG);
! 221: cardbus_conf_write(cc, cf, tag,
! 222: CARDBUS_COMMAND_STATUS_REG,
! 223: command | CARDBUS_COMMAND_MEM_ENABLE);
! 224:
! 225: if (cardbus_read_exrom(ca->ca_memt, bar_memh,
! 226: &rom_image))
! 227: goto out;
! 228:
! 229: for (p = SIMPLEQ_FIRST(&rom_image); p;
! 230: p = SIMPLEQ_NEXT(p, next)) {
! 231: if (p->rom_image ==
! 232: CARDBUS_CIS_ASI_ROM_IMAGE(cis_ptr)) {
! 233: bus_space_read_region_1(p->romt,
! 234: p->romh, CARDBUS_CIS_ADDR(cis_ptr),
! 235: tuples, MIN(p->image_size, len));
! 236: found++;
! 237: break;
! 238: }
! 239: }
! 240:
! 241: out:
! 242: while ((p = SIMPLEQ_FIRST(&rom_image)) != NULL) {
! 243: SIMPLEQ_REMOVE_HEAD(&rom_image, next);
! 244: free(p, M_DEVBUF);
! 245: }
! 246: exrom = cardbus_conf_read(cc, cf, tag, reg);
! 247: cardbus_conf_write(cc, cf, tag, reg, exrom & ~1);
! 248: splx(save);
! 249: } else {
! 250: command = cardbus_conf_read(cc, cf, tag,
! 251: CARDBUS_COMMAND_STATUS_REG);
! 252: cardbus_conf_write(cc, cf, tag,
! 253: CARDBUS_COMMAND_STATUS_REG,
! 254: command | CARDBUS_COMMAND_MEM_ENABLE);
! 255: /* XXX byte order? */
! 256: bus_space_read_region_1(ca->ca_memt, bar_memh,
! 257: cis_ptr, tuples, 256);
! 258: found++;
! 259: }
! 260: command = cardbus_conf_read(cc, cf, tag,
! 261: CARDBUS_COMMAND_STATUS_REG);
! 262: cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG,
! 263: command & ~CARDBUS_COMMAND_MEM_ENABLE);
! 264: cardbus_conf_write(cc, cf, tag, reg, 0);
! 265:
! 266: Cardbus_mapreg_unmap(ca->ca_ct, reg, bar_tag, bar_memh,
! 267: bar_size);
! 268: break;
! 269:
! 270: #ifdef DIAGNOSTIC
! 271: default:
! 272: panic("%s: bad CIS space (%d)", sc->sc_dev.dv_xname,
! 273: cardbus_space);
! 274: #endif
! 275: }
! 276: return (!found);
! 277: }
! 278:
! 279: static void
! 280: parse_tuple(u_int8_t *tuple, int len, void *data)
! 281: {
! 282: struct cardbus_cis_info *cis = data;
! 283: int bar_index;
! 284: int i;
! 285: char *p;
! 286:
! 287: switch (tuple[0]) {
! 288: case PCMCIA_CISTPL_MANFID:
! 289: if (tuple[1] < 4) {
! 290: DPRINTF(("%s: wrong length manufacturer id (%d)\n",
! 291: __func__, tuple[1]));
! 292: break;
! 293: }
! 294: cis->manufacturer = tuple[2] | (tuple[3] << 8);
! 295: cis->product = tuple[4] | (tuple[5] << 8);
! 296: break;
! 297: case PCMCIA_CISTPL_VERS_1:
! 298: bcopy(tuple + 2, cis->cis1_info_buf, tuple[1]);
! 299: i = 0;
! 300: p = cis->cis1_info_buf + 2;
! 301: while (i <
! 302: sizeof(cis->cis1_info) / sizeof(cis->cis1_info[0])) {
! 303: if (p >= cis->cis1_info_buf + tuple[1] || *p == '\xff')
! 304: break;
! 305: cis->cis1_info[i++] = p;
! 306: while (*p != '\0' && *p != '\xff')
! 307: p++;
! 308: if (*p == '\0')
! 309: p++;
! 310: }
! 311: break;
! 312: case PCMCIA_CISTPL_BAR:
! 313: if (tuple[1] != 6) {
! 314: DPRINTF(("%s: BAR with short length (%d)\n",
! 315: __func__, tuple[1]));
! 316: break;
! 317: }
! 318: bar_index = tuple[2] & 7;
! 319: if (bar_index == 0) {
! 320: DPRINTF(("%s: invalid ASI in BAR tuple\n",
! 321: __func__));
! 322: break;
! 323: }
! 324: bar_index--;
! 325: cis->bar[bar_index].flags = tuple[2];
! 326: cis->bar[bar_index].size = (tuple[4] << 0) |
! 327: (tuple[5] << 8) | (tuple[6] << 16) | (tuple[7] << 24);
! 328: break;
! 329: case PCMCIA_CISTPL_FUNCID:
! 330: cis->funcid = tuple[2];
! 331: break;
! 332:
! 333: case PCMCIA_CISTPL_FUNCE:
! 334: switch (cis->funcid) {
! 335: case PCMCIA_FUNCTION_SERIAL:
! 336: if (tuple[1] >= 2 &&
! 337: tuple[2] == 0
! 338: /* XXX PCMCIA_TPLFE_TYPE_SERIAL_??? */) {
! 339: cis->funce.serial.uart_type = tuple[3] & 0x1f;
! 340: cis->funce.serial.uart_present = 1;
! 341: }
! 342: break;
! 343: case PCMCIA_FUNCTION_NETWORK:
! 344: if (tuple[1] >= 8 && tuple[2] ==
! 345: PCMCIA_TPLFE_TYPE_LAN_NID) {
! 346: if (tuple[3] >
! 347: sizeof(cis->funce.network.netid)) {
! 348: DPRINTF(("%s: unknown network id type"
! 349: " (len = %d)\n", __func__,
! 350: tuple[3]));
! 351: } else {
! 352: cis->funce.network.netid_present = 1;
! 353: bcopy(tuple + 4,
! 354: cis->funce.network.netid, tuple[3]);
! 355: }
! 356: }
! 357: }
! 358: break;
! 359: }
! 360: }
! 361:
! 362: /*
! 363: * int cardbus_attach_card(struct cardbus_softc *sc)
! 364: *
! 365: * This function attaches the card on the slot: turns on power,
! 366: * reads and analyses tuple, sets configuration index.
! 367: *
! 368: * This function returns the number of recognised device functions.
! 369: * If no functions are recognised, return 0.
! 370: */
! 371: int
! 372: cardbus_attach_card(struct cardbus_softc *sc)
! 373: {
! 374: cardbus_chipset_tag_t cc;
! 375: cardbus_function_tag_t cf;
! 376: int cdstatus;
! 377: cardbustag_t tag;
! 378: cardbusreg_t id, class, cis_ptr;
! 379: cardbusreg_t bhlc;
! 380: u_int8_t *tuple;
! 381: int function, nfunction;
! 382: struct cardbus_devfunc **previous_next = &(sc->sc_funcs);
! 383: struct device *csc;
! 384: int no_work_funcs = 0;
! 385: cardbus_devfunc_t ct;
! 386: int i;
! 387:
! 388: cc = sc->sc_cc;
! 389: cf = sc->sc_cf;
! 390:
! 391: DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit));
! 392:
! 393: /* inspect initial voltage */
! 394: if (0 == (cdstatus = (cf->cardbus_ctrl)(cc, CARDBUS_CD))) {
! 395: DPRINTF(("cardbusattach: no CardBus card on cb%d\n",
! 396: sc->sc_dev.dv_unit));
! 397: return (0);
! 398: }
! 399:
! 400: /* XXX use fake function 8 to keep power on during whole configuration */
! 401: enable_function(sc, cdstatus, 8);
! 402:
! 403: function = 0;
! 404:
! 405: tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function);
! 406:
! 407: /* Wait until power comes up. Maximum 500 ms. */
! 408: for (i = 0; i < 5; ++i) {
! 409: id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG);
! 410: if (id != 0xffffffff && id != 0)
! 411: break;
! 412: if (cold) { /* before kernel thread invoked */
! 413: delay(100*1000);
! 414: } else { /* thread context */
! 415: if (tsleep((void *)sc, PCATCH, "cardbus",
! 416: hz/10) != EWOULDBLOCK) {
! 417: break;
! 418: }
! 419: }
! 420: }
! 421: if (i == 5)
! 422: return (0);
! 423:
! 424: bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG);
! 425: DPRINTF(("%s bhlc 0x%08x -> ", sc->sc_dev.dv_xname, bhlc));
! 426: nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1;
! 427:
! 428: tuple = malloc(2048, M_TEMP, M_NOWAIT);
! 429: if (tuple == NULL)
! 430: panic("no room for cardbus tuples");
! 431:
! 432: for (function = 0; function < nfunction; function++) {
! 433: struct cardbus_attach_args ca;
! 434:
! 435: tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device,
! 436: function);
! 437:
! 438: id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG);
! 439: class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG);
! 440: cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG);
! 441:
! 442: /* Invalid vendor ID value? */
! 443: if (CARDBUS_VENDOR(id) == PCI_VENDOR_INVALID)
! 444: continue;
! 445:
! 446: DPRINTF(("cardbus_attach_card: Vendor 0x%x, Product 0x%x, "
! 447: "CIS 0x%x\n", CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id),
! 448: cis_ptr));
! 449:
! 450: enable_function(sc, cdstatus, function);
! 451:
! 452: /* clean up every BAR */
! 453: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE0_REG, 0);
! 454: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE1_REG, 0);
! 455: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE2_REG, 0);
! 456: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE3_REG, 0);
! 457: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE4_REG, 0);
! 458: cardbus_conf_write(cc, cf, tag, CARDBUS_BASE5_REG, 0);
! 459: cardbus_conf_write(cc, cf, tag, CARDBUS_ROM_REG, 0);
! 460:
! 461: /* set initial latency and cacheline size */
! 462: bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG);
! 463: DPRINTF(("%s func%d bhlc 0x%08x -> ", sc->sc_dev.dv_xname,
! 464: function, bhlc));
! 465: bhlc &= ~((CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT) |
! 466: (CARDBUS_CACHELINE_MASK << CARDBUS_CACHELINE_SHIFT));
! 467: bhlc |= ((sc->sc_cacheline & CARDBUS_CACHELINE_MASK) <<
! 468: CARDBUS_CACHELINE_SHIFT);
! 469: bhlc |= ((sc->sc_lattimer & CARDBUS_LATTIMER_MASK) <<
! 470: CARDBUS_LATTIMER_SHIFT);
! 471:
! 472: cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc);
! 473: bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG);
! 474: DPRINTF(("0x%08x\n", bhlc));
! 475:
! 476: if (CARDBUS_LATTIMER(bhlc) < 0x10) {
! 477: bhlc &= ~(CARDBUS_LATTIMER_MASK <<
! 478: CARDBUS_LATTIMER_SHIFT);
! 479: bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT);
! 480: cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG,
! 481: bhlc);
! 482: }
! 483:
! 484: /*
! 485: * We need to allocate the ct here, since we might
! 486: * need it when reading the CIS
! 487: */
! 488: if ((ct =
! 489: (cardbus_devfunc_t)malloc(sizeof(struct cardbus_devfunc),
! 490: M_DEVBUF, M_NOWAIT)) == NULL)
! 491: panic("no room for cardbus_tag");
! 492:
! 493: ct->ct_cc = sc->sc_cc;
! 494: ct->ct_cf = sc->sc_cf;
! 495: ct->ct_bus = sc->sc_bus;
! 496: ct->ct_dev = sc->sc_device;
! 497: ct->ct_func = function;
! 498: ct->ct_sc = sc;
! 499: ct->ct_next = NULL;
! 500: *previous_next = ct;
! 501:
! 502: memset(&ca, 0, sizeof(ca));
! 503:
! 504: ca.ca_unit = sc->sc_dev.dv_unit;
! 505: ca.ca_ct = ct;
! 506:
! 507: ca.ca_iot = sc->sc_iot;
! 508: ca.ca_memt = sc->sc_memt;
! 509: ca.ca_dmat = sc->sc_dmat;
! 510: ca.ca_rbus_iot = sc->sc_rbus_iot;
! 511: ca.ca_rbus_memt = sc->sc_rbus_memt;
! 512: ca.ca_tag = tag;
! 513: ca.ca_bus = sc->sc_bus;
! 514: ca.ca_device = sc->sc_device;
! 515: ca.ca_function = function;
! 516: ca.ca_id = id;
! 517: ca.ca_class = class;
! 518:
! 519: ca.ca_intrline = sc->sc_intrline;
! 520:
! 521: if (cis_ptr != 0) {
! 522: if (cardbus_read_tuples(&ca, cis_ptr, tuple, 2048)) {
! 523: printf("cardbus_attach_card: failed to "
! 524: "read CIS\n");
! 525: } else {
! 526: #ifdef CARDBUS_DEBUG
! 527: decode_tuples(tuple, 2048, print_tuple, NULL);
! 528: #endif
! 529: decode_tuples(tuple, 2048, parse_tuple,
! 530: &ca.ca_cis);
! 531: }
! 532: }
! 533:
! 534: if ((csc = config_found_sm((void *)sc, &ca, cardbusprint,
! 535: cardbussubmatch)) == NULL) {
! 536: /* do not match */
! 537: disable_function(sc, function);
! 538: free(ct, M_DEVBUF);
! 539: *previous_next = NULL;
! 540: } else {
! 541: /* found */
! 542: previous_next = &(ct->ct_next);
! 543: ct->ct_device = csc;
! 544: ++no_work_funcs;
! 545: }
! 546: }
! 547: /*
! 548: * XXX power down pseudo function 8 (this will power down the card
! 549: * if no functions were attached).
! 550: */
! 551: disable_function(sc, 8);
! 552: free(tuple, M_TEMP);
! 553:
! 554: return (no_work_funcs);
! 555: }
! 556:
! 557: static int
! 558: cardbussubmatch(struct device *parent, void *match, void *aux)
! 559: {
! 560: struct cfdata *cf = match;
! 561: struct cardbus_attach_args *ca = aux;
! 562:
! 563: if (cf->cardbuscf_dev != CARDBUS_UNK_DEV &&
! 564: cf->cardbuscf_dev != ca->ca_unit) {
! 565: return (0);
! 566: }
! 567: if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION &&
! 568: cf->cardbuscf_function != ca->ca_function) {
! 569: return (0);
! 570: }
! 571:
! 572: return ((*cf->cf_attach->ca_match)(parent, cf, aux));
! 573: }
! 574:
! 575: static int
! 576: cardbusprint(void *aux, const char *pnp)
! 577: {
! 578: struct cardbus_attach_args *ca = aux;
! 579: char devinfo[256];
! 580: int i;
! 581:
! 582: if (pnp) {
! 583: pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo,
! 584: sizeof(devinfo));
! 585: for (i = 0; i < 4; i++) {
! 586: if (ca->ca_cis.cis1_info[i] == NULL)
! 587: break;
! 588: if (i)
! 589: printf(", ");
! 590: printf("%s", ca->ca_cis.cis1_info[i]);
! 591: }
! 592: if (i)
! 593: printf(" ");
! 594: if (ca->ca_cis.manufacturer)
! 595: printf("(manufacturer 0x%x, product 0x%x) ",
! 596: ca->ca_cis.manufacturer, ca->ca_cis.product);
! 597: printf("%s at %s", devinfo, pnp);
! 598: }
! 599: printf(" dev %d function %d", ca->ca_device, ca->ca_function);
! 600:
! 601: if (!pnp) {
! 602: pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo,
! 603: sizeof(devinfo));
! 604: for (i = 0; i < 3 && ca->ca_cis.cis1_info[i]; i++)
! 605: printf("%s%s", i ? ", " : " \"",
! 606: ca->ca_cis.cis1_info[i]);
! 607: if (ca->ca_cis.cis1_info[0])
! 608: printf("\"");
! 609: }
! 610:
! 611: return (UNCONF);
! 612: }
! 613:
! 614: /*
! 615: * void cardbus_detach_card(struct cardbus_softc *sc)
! 616: *
! 617: * This function detaches the card on the slot: detach device data
! 618: * structure and turns off the power.
! 619: *
! 620: * This function must not be called under interrupt context.
! 621: */
! 622: void
! 623: cardbus_detach_card(struct cardbus_softc *sc)
! 624: {
! 625: struct cardbus_devfunc *ct, *ct_next, **prev_next;
! 626:
! 627: prev_next = &(sc->sc_funcs->ct_next);
! 628:
! 629: for (ct = sc->sc_funcs; ct != NULL; ct = ct_next) {
! 630: struct device *fndev = ct->ct_device;
! 631: ct_next = ct->ct_next;
! 632:
! 633: DPRINTF(("%s: detaching %s\n", sc->sc_dev.dv_xname,
! 634: fndev->dv_xname));
! 635: /* call device detach function */
! 636:
! 637: if (config_detach(fndev, 0) != 0) {
! 638: printf("%s: cannot detach dev %s, function %d\n",
! 639: sc->sc_dev.dv_xname, fndev->dv_xname, ct->ct_func);
! 640: prev_next = &(ct->ct_next);
! 641: } else {
! 642: sc->sc_poweron_func &= ~(1 << ct->ct_func);
! 643: *prev_next = ct->ct_next;
! 644: free(ct, M_DEVBUF);
! 645: }
! 646: }
! 647:
! 648: sc->sc_poweron_func = 0;
! 649: sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
! 650: }
! 651:
! 652: /*
! 653: * void *cardbus_intr_establish(cc, cf, irq, level, func, arg, name)
! 654: * Interrupt handler of pccard.
! 655: * args:
! 656: * cardbus_chipset_tag_t *cc
! 657: * int irq:
! 658: */
! 659: void *
! 660: cardbus_intr_establish(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf,
! 661: cardbus_intr_handle_t irq, int level, int (*func)(void *), void *arg,
! 662: const char *name)
! 663: {
! 664: DPRINTF(("- cardbus_intr_establish: irq %d\n", irq));
! 665:
! 666: return (*cf->cardbus_intr_establish)(cc, irq, level, func, arg, name);
! 667: }
! 668:
! 669: /*
! 670: * void cardbus_intr_disestablish(cc, cf, handler)
! 671: * Interrupt handler of pccard.
! 672: * args:
! 673: * cardbus_chipset_tag_t *cc
! 674: */
! 675: void
! 676: cardbus_intr_disestablish(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf,
! 677: void *handler)
! 678: {
! 679: DPRINTF(("- pccard_intr_disestablish\n"));
! 680:
! 681: (*cf->cardbus_intr_disestablish)(cc, handler);
! 682: }
! 683:
! 684: /* XXX this should be merged with cardbus_function_{enable,disable},
! 685: but we don't have a ct when these functions are called */
! 686:
! 687: static void
! 688: enable_function(struct cardbus_softc *sc, int cdstatus, int function)
! 689: {
! 690: if (sc->sc_poweron_func == 0) {
! 691: /* switch to 3V and/or wait for power to stabilize */
! 692: if (cdstatus & CARDBUS_3V_CARD) {
! 693: sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_3V);
! 694: } else {
! 695: /* No cards other than 3.3V cards. */
! 696: return;
! 697: }
! 698: (sc->sc_cf->cardbus_ctrl)(sc->sc_cc, CARDBUS_RESET);
! 699: }
! 700: sc->sc_poweron_func |= (1 << function);
! 701: }
! 702:
! 703: static void
! 704: disable_function(struct cardbus_softc *sc, int function)
! 705: {
! 706: sc->sc_poweron_func &= ~(1 << function);
! 707: if (sc->sc_poweron_func == 0) {
! 708: /* power-off because no functions are enabled */
! 709: sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_0V);
! 710: }
! 711: }
! 712:
! 713: /*
! 714: * int cardbus_function_enable(struct cardbus_softc *sc, int func)
! 715: *
! 716: * This function enables a function on a card. When no power is
! 717: * applied on the card, power will be applied on it.
! 718: */
! 719: int
! 720: cardbus_function_enable(struct cardbus_softc *sc, int func)
! 721: {
! 722: cardbus_chipset_tag_t cc = sc->sc_cc;
! 723: cardbus_function_tag_t cf = sc->sc_cf;
! 724: cardbusreg_t command;
! 725: cardbustag_t tag;
! 726:
! 727: DPRINTF(("entering cardbus_function_enable... "));
! 728:
! 729: /* entering critical area */
! 730:
! 731: /* XXX: sc_vold should be used */
! 732: enable_function(sc, CARDBUS_3V_CARD, func);
! 733:
! 734: /* exiting critical area */
! 735:
! 736: tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, func);
! 737:
! 738: command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG);
! 739: command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE |
! 740: CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */
! 741:
! 742: cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command);
! 743:
! 744: cardbus_free_tag(cc, cf, tag);
! 745:
! 746: DPRINTF(("%x\n", sc->sc_poweron_func));
! 747:
! 748: return (0);
! 749: }
! 750:
! 751: /*
! 752: * int cardbus_function_disable(struct cardbus_softc *, int func)
! 753: *
! 754: * This function disable a function on a card. When no functions are
! 755: * enabled, it turns off the power.
! 756: */
! 757: int
! 758: cardbus_function_disable(struct cardbus_softc *sc, int func)
! 759: {
! 760: DPRINTF(("entering cardbus_function_disable... "));
! 761:
! 762: disable_function(sc, func);
! 763:
! 764: return (0);
! 765: }
! 766:
! 767: /*
! 768: * int cardbus_get_capability(cardbus_chipset_tag_t cc,
! 769: * cardbus_function_tag_t cf, cardbustag_t tag, int capid, int *offset,
! 770: * cardbusreg_t *value)
! 771: *
! 772: * Find the specified PCI capability.
! 773: */
! 774: int
! 775: cardbus_get_capability(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf,
! 776: cardbustag_t tag, int capid, int *offset, cardbusreg_t *value)
! 777: {
! 778: cardbusreg_t reg;
! 779: unsigned int ofs;
! 780:
! 781: reg = cardbus_conf_read(cc, cf, tag, PCI_COMMAND_STATUS_REG);
! 782: if (!(reg & PCI_STATUS_CAPLIST_SUPPORT))
! 783: return (0);
! 784:
! 785: ofs = PCI_CAPLIST_PTR(cardbus_conf_read(cc, cf, tag,
! 786: PCI_CAPLISTPTR_REG));
! 787: while (ofs != 0) {
! 788: #ifdef DIAGNOSTIC
! 789: if ((ofs & 3) || (ofs < 0x40))
! 790: panic("cardbus_get_capability 0x%x", ofs);
! 791: #endif
! 792: reg = cardbus_conf_read(cc, cf, tag, ofs);
! 793: if (PCI_CAPLIST_CAP(reg) == capid) {
! 794: if (offset)
! 795: *offset = ofs;
! 796: if (value)
! 797: *value = reg;
! 798: return (1);
! 799: }
! 800: ofs = PCI_CAPLIST_NEXT(reg);
! 801: }
! 802:
! 803: return (0);
! 804: }
! 805:
! 806: int
! 807: cardbus_matchbyid(struct cardbus_attach_args *ca,
! 808: const struct cardbus_matchid *ids, int nent)
! 809: {
! 810: const struct cardbus_matchid *cm;
! 811: int i;
! 812:
! 813: for (i = 0, cm = ids; i < nent; i++, cm++)
! 814: if (CARDBUS_VENDOR(ca->ca_id) == cm->cm_vid &&
! 815: CARDBUS_PRODUCT(ca->ca_id) == cm->cm_pid)
! 816: return (1);
! 817: return (0);
! 818: }
! 819:
! 820: /*
! 821: * below this line, there are some functions for decoding tuples.
! 822: * They should go out from this file.
! 823: */
! 824:
! 825: static u_int8_t *
! 826: decode_tuple(u_int8_t *, u_int8_t *, tuple_decode_func, void *);
! 827:
! 828: static int
! 829: decode_tuples(u_int8_t *tuple, int buflen, tuple_decode_func func, void *data)
! 830: {
! 831: u_int8_t *tp = tuple;
! 832:
! 833: if (PCMCIA_CISTPL_LINKTARGET != *tuple) {
! 834: DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple));
! 835: return (0);
! 836: }
! 837:
! 838: while ((tp = decode_tuple(tp, tuple + buflen, func, data)) != NULL)
! 839: ;
! 840:
! 841: return (1);
! 842: }
! 843:
! 844: static u_int8_t *
! 845: decode_tuple(u_int8_t *tuple, u_int8_t *end, tuple_decode_func func,
! 846: void *data)
! 847: {
! 848: u_int8_t type;
! 849: u_int8_t len;
! 850:
! 851: type = tuple[0];
! 852: switch (type) {
! 853: case PCMCIA_CISTPL_NULL:
! 854: case PCMCIA_CISTPL_END:
! 855: len = 1;
! 856: break;
! 857: default:
! 858: if (tuple + 2 > end)
! 859: return (NULL);
! 860: len = tuple[1] + 2;
! 861: break;
! 862: }
! 863:
! 864: if (tuple + len > end)
! 865: return (NULL);
! 866:
! 867: (*func)(tuple, len, data);
! 868:
! 869: if (PCMCIA_CISTPL_END == type || tuple + len == end)
! 870: return (NULL);
! 871:
! 872: return (tuple + len);
! 873: }
! 874:
! 875: #ifdef CARDBUS_DEBUG
! 876: static char *tuple_name(int type);
! 877:
! 878: static char *
! 879: tuple_name(int type)
! 880: {
! 881: static char *tuple_name_s [] = {
! 882: "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */
! 883: "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */
! 884: "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */
! 885: "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */
! 886: "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */
! 887: "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", /* 14-17 */
! 888: "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", /* 18-1B */
! 889: "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", /* 1C-1E */
! 890: "DEVICE_GEO_A", "MANFID", "FUNCID", "FUNCE", "SWIL", /* 1F-23 */
! 891: "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */
! 892: "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */
! 893: "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */
! 894: "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */
! 895: "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */
! 896: "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */
! 897: "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */
! 898: "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", /* 40-43 */
! 899: "DATE", "BATTERY", "ORG", "FORMAT_A" /* 44-47 */
! 900: };
! 901: #define NAME_LEN(x) (sizeof(x)/sizeof(x[0]))
! 902:
! 903: if (type > 0 && type < NAME_LEN(tuple_name_s))
! 904: return (tuple_name_s[type]);
! 905: else if (0xff == type)
! 906: return ("END");
! 907: else
! 908: return ("Reserved");
! 909: }
! 910:
! 911: static void
! 912: print_tuple(u_int8_t *tuple, int len, void *data)
! 913: {
! 914: int i;
! 915:
! 916: printf("tuple: %s len %d\n", tuple_name(tuple[0]), len);
! 917:
! 918: for (i = 0; i < len; ++i) {
! 919: if (i % 16 == 0)
! 920: printf(" 0x%02x:", i);
! 921: printf(" %x",tuple[i]);
! 922: if (i % 16 == 15)
! 923: printf("\n");
! 924: }
! 925: if (i % 16 != 0)
! 926: printf("\n");
! 927: }
! 928: #endif
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