/* * Copyright (c) 2000,2001 Jonathan Chen. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * CIS Handling for the Cardbus Bus */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern int cardbus_cis_debug; #define DPRINTF(a) if (cardbus_cis_debug) printf a #define DEVPRINTF(x) if (cardbus_cis_debug) device_printf x #define DECODE_PARAMS \ (device_t cbdev, device_t child, int id, int len, \ uint8_t *tupledata, uint32_t start, uint32_t *off, \ struct tuple_callbacks *info) struct tuple_callbacks { int id; char *name; int (*func) DECODE_PARAMS; }; #define DECODE_PROTOTYPE(NAME) static int decode_tuple_ ## NAME DECODE_PARAMS DECODE_PROTOTYPE(generic); DECODE_PROTOTYPE(nothing); DECODE_PROTOTYPE(copy); DECODE_PROTOTYPE(linktarget); DECODE_PROTOTYPE(vers_1); DECODE_PROTOTYPE(funcid); DECODE_PROTOTYPE(manfid); DECODE_PROTOTYPE(funce); DECODE_PROTOTYPE(bar); DECODE_PROTOTYPE(unhandled); DECODE_PROTOTYPE(end); static int cardbus_read_tuple_conf(device_t cbdev, device_t child, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata); static int cardbus_read_tuple_mem(device_t cbdev, struct resource *res, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata); static int cardbus_read_tuple(device_t cbdev, device_t child, struct resource *res, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata); static void cardbus_read_tuple_finish(device_t cbdev, device_t child, int rid, struct resource *res); static struct resource *cardbus_read_tuple_init(device_t cbdev, device_t child, uint32_t *start, int *rid); static int decode_tuple(device_t cbdev, device_t child, int tupleid, int len, uint8_t *tupledata, uint32_t start, uint32_t *off, struct tuple_callbacks *callbacks); static int cardbus_parse_cis(device_t cbdev, device_t child, struct tuple_callbacks *callbacks); static int barsort(const void *a, const void *b); static int cardbus_alloc_resources(device_t cbdev, device_t child); static void cardbus_add_map(device_t cbdev, device_t child, int reg); static void cardbus_pickup_maps(device_t cbdev, device_t child); #define MAKETUPLE(NAME,FUNC) { CISTPL_ ## NAME, #NAME, decode_tuple_ ## FUNC } static char *funcnames[] = { "Multi-Functioned", "Memory", "Serial Port", "Parallel Port", "Fixed Disk", "Video Adaptor", "Network Adaptor", "AIMS", "SCSI", "Security" }; struct cardbus_quirk { uint32_t devid; /* Vendor/device of the card */ int type; #define CARDBUS_QUIRK_MAP_REG 1 /* PCI map register in weird place */ int arg1; int arg2; }; struct cardbus_quirk cardbus_quirks[] = { { 0 } }; static struct cis_tupleinfo *cisread_buf; static int ncisread_buf; /* * Handler functions for various CIS tuples */ DECODE_PROTOTYPE(generic) { #ifdef CARDBUS_DEBUG int i; if (info) printf("TUPLE: %s [%d]:", info->name, len); else printf("TUPLE: Unknown(0x%02x) [%d]:", id, len); for (i = 0; i < len; i++) { if (i % 0x10 == 0 && len > 0x10) printf("\n 0x%02x:", i); printf(" %02x", tupledata[i]); } printf("\n"); #endif return (0); } DECODE_PROTOTYPE(nothing) { return (0); } DECODE_PROTOTYPE(copy) { struct cis_tupleinfo *tmpbuf; tmpbuf = malloc(sizeof(struct cis_tupleinfo) * (ncisread_buf+1), M_DEVBUF, 0); if (ncisread_buf > 0) { memcpy(tmpbuf, cisread_buf, sizeof(struct cis_tupleinfo) * ncisread_buf); free(cisread_buf, M_DEVBUF); } cisread_buf = tmpbuf; cisread_buf[ncisread_buf].id = id; cisread_buf[ncisread_buf].len = len; cisread_buf[ncisread_buf].data = malloc(len, M_DEVBUF, 0); memcpy(cisread_buf[ncisread_buf].data, tupledata, len); ncisread_buf++; return (0); } DECODE_PROTOTYPE(linktarget) { #ifdef CARDBUS_DEBUG int i; printf("TUPLE: %s [%d]:", info->name, len); for (i = 0; i < len; i++) { if (i % 0x10 == 0 && len > 0x10) printf("\n 0x%02x:", i); printf(" %02x", tupledata[i]); } printf("\n"); #endif if (len != 3 || tupledata[0] != 'C' || tupledata[1] != 'I' || tupledata[2] != 'S') { printf("Invalid data for CIS Link Target!\n"); decode_tuple_generic(cbdev, child, id, len, tupledata, start, off, info); return (EINVAL); } return (0); } DECODE_PROTOTYPE(vers_1) { int i; printf("Product version: %d.%d\n", tupledata[0], tupledata[1]); printf("Product name: "); for (i = 2; i < len; i++) { if (tupledata[i] == '\0') printf(" | "); else if (tupledata[i] == 0xff) break; else printf("%c", tupledata[i]); } printf("\n"); return (0); } DECODE_PROTOTYPE(funcid) { struct cardbus_devinfo *dinfo = device_get_ivars(child); int numnames = sizeof(funcnames) / sizeof(funcnames[0]); int i; printf("Functions: "); for (i = 0; i < len; i++) { if (tupledata[i] < numnames) printf("%s", funcnames[tupledata[i]]); else printf("Unknown(%d)", tupledata[i]); if (i < len-1) printf(", "); } if (len > 0) dinfo->funcid = tupledata[0]; /* use first in list */ printf("\n"); return (0); } DECODE_PROTOTYPE(manfid) { struct cardbus_devinfo *dinfo = device_get_ivars(child); int i; printf("Manufacturer ID: "); for (i = 0; i < len; i++) printf("%02x", tupledata[i]); printf("\n"); if (len == 5) { dinfo->mfrid = tupledata[1] | (tupledata[2]<<8); dinfo->prodid = tupledata[3] | (tupledata[4]<<8); } return (0); } DECODE_PROTOTYPE(funce) { struct cardbus_devinfo *dinfo = device_get_ivars(child); int type, i; printf("Function Extension: "); for (i = 0; i < len; i++) printf("%02x", tupledata[i]); printf("\n"); if (len < 2) /* too short */ return (0); type = tupledata[0]; /* XXX <32 always? */ switch (dinfo->funcid) { case TPL_FUNC_SERIAL: if (type == TPL_FUNCE_SER_UART) { /* NB: len known > 1 */ dinfo->funce.sio.type = tupledata[1] & 0x1f; } dinfo->fepresent |= 1<funce.lan.tech = tupledata[1]; /* XXX mask? */ break; #if 0 case TPL_FUNCE_LAN_SPEED: for (i = 0; i < 3; i++) { if (dinfo->funce.lan.speed[i] == 0) { if (len > 4) { dinfo->funce.lan.speed[i] = ...; } break; } } break; #endif case TPL_FUNCE_LAN_MEDIA: for (i = 0; i < 4 && dinfo->funce.lan.media[i]; i++) { if (dinfo->funce.lan.media[i] == 0) { /* NB: len known > 1 */ dinfo->funce.lan.media[i] = tupledata[1]; /*XXX? mask */ break; } } break; case TPL_FUNCE_LAN_NID: if (len > 6) bcopy(&tupledata[1], dinfo->funce.lan.nid, 6); break; case TPL_FUNCE_LAN_CONN: dinfo->funce.lan.contype = tupledata[1];/*XXX mask? */ break; } dinfo->fepresent |= 1< 5 || (type == SYS_RES_IOPORT && bar == 5)) { device_printf(cbdev, "Invalid BAR number: %02x(%02x)\n", reg, bar); return (0); } bar = CARDBUS_BASE0_REG + bar * 4; if (type == SYS_RES_MEMORY) { if (bar & TPL_BAR_REG_PREFETCHABLE) dinfo->mprefetchable |= BARBIT(bar); if (bar & TPL_BAR_REG_BELOW1MB) dinfo->mbelow1mb |= BARBIT(bar); } else if (type == SYS_RES_IOPORT) { if (bar & TPL_BAR_REG_BELOW1MB) dinfo->ibelow1mb |= BARBIT(bar); } DEVPRINTF((cbdev, "Opening BAR: type=%s, bar=%02x, len=%04x%s%s\n", (type == SYS_RES_MEMORY) ? "MEM" : "IO", bar, len, (type == SYS_RES_MEMORY && dinfo->mprefetchable & BARBIT(bar)) ? " (Prefetchable)" : "", type == SYS_RES_MEMORY ? ((dinfo->mbelow1mb & BARBIT(bar)) ? " (Below 1Mb)" : "") : (dinfo->ibelow1mb & BARBIT(bar)) ? " (Below 1Mb)" : "" )); resource_list_add(&dinfo->pci.resources, type, bar, 0UL, ~0UL, len); /* * Mark the appropriate bit in the PCI command register so that * device drivers will know which type of BARs can be used. */ pci_enable_io(child, type); return (0); } DECODE_PROTOTYPE(unhandled) { printf("TUPLE: %s [%d] is unhandled! Bailing...", info->name, len); return (-1); } DECODE_PROTOTYPE(end) { printf("CIS reading done\n"); return (0); } /* * Functions to read the a tuple from the card */ static int cardbus_read_tuple_conf(device_t cbdev, device_t child, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata) { int i, j; uint32_t e; uint32_t loc; loc = start + *off; e = pci_read_config(child, loc - loc % 4, 4); for (j = loc % 4; j > 0; j--) e >>= 8; *len = 0; for (i = loc, j = -2; j < *len; j++, i++) { if (i % 4 == 0) e = pci_read_config(child, i, 4); if (j == -2) *tupleid = 0xff & e; else if (j == -1) *len = 0xff & e; else tupledata[j] = 0xff & e; e >>= 8; } *off += *len + 2; return (0); } static int cardbus_read_tuple_mem(device_t cbdev, struct resource *res, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata) { bus_space_tag_t bt; bus_space_handle_t bh; int ret; bt = rman_get_bustag(res); bh = rman_get_bushandle(res); *tupleid = bus_space_read_1(bt, bh, start + *off); *len = bus_space_read_1(bt, bh, start + *off + 1); bus_space_read_region_1(bt, bh, *off + start + 2, tupledata, *len); ret = 0; *off += *len + 2; return (ret); } static int cardbus_read_tuple(device_t cbdev, device_t child, struct resource *res, uint32_t start, uint32_t *off, int *tupleid, int *len, uint8_t *tupledata) { if (res == (struct resource*)~0UL) { return (cardbus_read_tuple_conf(cbdev, child, start, off, tupleid, len, tupledata)); } else { return (cardbus_read_tuple_mem(cbdev, res, start, off, tupleid, len, tupledata)); } } static void cardbus_read_tuple_finish(device_t cbdev, device_t child, int rid, struct resource *res) { if (res != (struct resource*)~0UL) { bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); pci_write_config(child, rid, 0, 4); PCI_DISABLE_IO(cbdev, child, SYS_RES_MEMORY); } } static struct resource * cardbus_read_tuple_init(device_t cbdev, device_t child, uint32_t *start, int *rid) { uint32_t testval; uint32_t size; struct resource *res; switch (CARDBUS_CIS_SPACE(*start)) { case CARDBUS_CIS_ASI_TUPLE: /* CIS in PCI config space need no initialization */ return ((struct resource*)~0UL); case CARDBUS_CIS_ASI_BAR0: case CARDBUS_CIS_ASI_BAR1: case CARDBUS_CIS_ASI_BAR2: case CARDBUS_CIS_ASI_BAR3: case CARDBUS_CIS_ASI_BAR4: case CARDBUS_CIS_ASI_BAR5: *rid = CARDBUS_BASE0_REG + (CARDBUS_CIS_SPACE(*start) - 1) * 4; break; case CARDBUS_CIS_ASI_ROM: *rid = CARDBUS_ROM_REG; #if 0 /* * This mask doesn't contain the bit that actually enables * the Option ROM. */ pci_write_config(child, *rid, CARDBUS_ROM_ADDRMASK, 4); #endif break; default: device_printf(cbdev, "Unable to read CIS: Unknown space: %d\n", CARDBUS_CIS_SPACE(*start)); return (NULL); } /* figure out how much space we need */ pci_write_config(child, *rid, 0xffffffff, 4); testval = pci_read_config(child, *rid, 4); /* * This bit has a different meaning depending if we are dealing * with a normal BAR or an Option ROM BAR. */ if (((testval & 0x1) == 0x1) && (*rid != CARDBUS_ROM_REG)) { device_printf(cbdev, "CIS Space is IO, expecting memory.\n"); return (NULL); } size = CARDBUS_MAPREG_MEM_SIZE(testval); /* XXX Is this some kind of hack? */ if (size < 4096) size = 4096; /* allocate the memory space to read CIS */ res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, rid, 0, ~0, size, rman_make_alignment_flags(size) | RF_ACTIVE); if (res == NULL) { device_printf(cbdev, "Unable to allocate resource " "to read CIS.\n"); return (NULL); } pci_write_config(child, *rid, rman_get_start(res) | ((*rid == CARDBUS_ROM_REG)? CARDBUS_ROM_ENABLE : 0), 4); PCI_ENABLE_IO(cbdev, child, SYS_RES_MEMORY); /* Flip to the right ROM image if CIS is in ROM */ if (CARDBUS_CIS_SPACE(*start) == CARDBUS_CIS_ASI_ROM) { bus_space_tag_t bt; bus_space_handle_t bh; uint32_t imagesize; uint32_t imagebase = 0; uint32_t pcidata; uint16_t romsig; int romnum = 0; int imagenum; bt = rman_get_bustag(res); bh = rman_get_bushandle(res); imagenum = CARDBUS_CIS_ASI_ROM_IMAGE(*start); for (romnum = 0;; romnum++) { romsig = bus_space_read_2(bt, bh, imagebase + CARDBUS_EXROM_SIGNATURE); if (romsig != 0xaa55) { device_printf(cbdev, "Bad header in rom %d: " "[%x] %04x\n", romnum, imagebase + CARDBUS_EXROM_SIGNATURE, romsig); bus_release_resource(cbdev, SYS_RES_MEMORY, *rid, res); *rid = 0; return (NULL); } /* * If this was the Option ROM image that we were * looking for, then we are done. */ if (romnum == imagenum) break; /* Find out where the next Option ROM image is */ pcidata = imagebase + bus_space_read_2(bt, bh, imagebase + CARDBUS_EXROM_DATA_PTR); imagesize = bus_space_read_2(bt, bh, pcidata + CARDBUS_EXROM_DATA_IMAGE_LENGTH); if (imagesize == 0) { /* * XXX some ROMs seem to have this as zero, * can we assume this means 1 block? */ device_printf(cbdev, "Warning, size of Option " "ROM image %d is 0 bytes, assuming 512 " "bytes.\n", romnum); imagesize = 1; } /* Image size is in 512 byte units */ imagesize <<= 9; if ((bus_space_read_1(bt, bh, pcidata + CARDBUS_EXROM_DATA_INDICATOR) & 0x80) != 0) { device_printf(cbdev, "Cannot find CIS in " "Option ROM\n"); bus_release_resource(cbdev, SYS_RES_MEMORY, *rid, res); *rid = 0; return (NULL); } imagebase += imagesize; } *start = imagebase + CARDBUS_CIS_ADDR(*start); } else { *start = CARDBUS_CIS_ADDR(*start); } return (res); } /* * Dispatch the right handler function per tuple */ static int decode_tuple(device_t cbdev, device_t child, int tupleid, int len, uint8_t *tupledata, uint32_t start, uint32_t *off, struct tuple_callbacks *callbacks) { int i; for (i = 0; callbacks[i].id != CISTPL_GENERIC; i++) { if (tupleid == callbacks[i].id) return (callbacks[i].func(cbdev, child, tupleid, len, tupledata, start, off, &callbacks[i])); } if (tupleid < CISTPL_CUSTOMSTART) { device_printf(cbdev, "Undefined tuple encountered, " "CIS parsing terminated\n"); return (EINVAL); } return (callbacks[i].func(cbdev, child, tupleid, len, tupledata, start, off, NULL)); } static int cardbus_parse_cis(device_t cbdev, device_t child, struct tuple_callbacks *callbacks) { uint8_t tupledata[MAXTUPLESIZE]; int tupleid; int len; int expect_linktarget; uint32_t start, off; struct resource *res; int rid; bzero(tupledata, MAXTUPLESIZE); expect_linktarget = TRUE; if ((start = pci_read_config(child, CARDBUS_CIS_REG, 4)) == 0) return (ENXIO); off = 0; res = cardbus_read_tuple_init(cbdev, child, &start, &rid); if (res == NULL) return (ENXIO); do { if (0 != cardbus_read_tuple(cbdev, child, res, start, &off, &tupleid, &len, tupledata)) { device_printf(cbdev, "Failed to read CIS.\n"); cardbus_read_tuple_finish(cbdev, child, rid, res); return (ENXIO); } if (expect_linktarget && tupleid != CISTPL_LINKTARGET) { device_printf(cbdev, "Expecting link target, got 0x%x\n", tupleid); cardbus_read_tuple_finish(cbdev, child, rid, res); return (EINVAL); } expect_linktarget = decode_tuple(cbdev, child, tupleid, len, tupledata, start, &off, callbacks); if (expect_linktarget != 0) { cardbus_read_tuple_finish(cbdev, child, rid, res); return (expect_linktarget); } } while (tupleid != CISTPL_END); cardbus_read_tuple_finish(cbdev, child, rid, res); return (0); } static int barsort(const void *a, const void *b) { return ((*(const struct resource_list_entry * const *)b)->count - (*(const struct resource_list_entry * const *)a)->count); } static int cardbus_alloc_resources(device_t cbdev, device_t child) { struct cardbus_devinfo *dinfo = device_get_ivars(child); int count; struct resource_list_entry *rle; struct resource_list_entry **barlist; int tmp; uint32_t mem_psize = 0, mem_nsize = 0, io_size = 0; struct resource *res; uint32_t start,end; int rid, flags; count = 0; SLIST_FOREACH(rle, &dinfo->pci.resources, link) { count++; } if (count == 0) return (0); barlist = malloc(sizeof(struct resource_list_entry*) * count, M_DEVBUF, 0); count = 0; SLIST_FOREACH(rle, &dinfo->pci.resources, link) { barlist[count] = rle; if (rle->type == SYS_RES_IOPORT) { io_size += rle->count; } else if (rle->type == SYS_RES_MEMORY) { if (dinfo->mprefetchable & BARBIT(rle->rid)) mem_psize += rle->count; else mem_nsize += rle->count; } count++; } /* * We want to allocate the largest resource first, so that our * allocated memory is packed. */ qsort(barlist, count, sizeof(struct resource_list_entry*), barsort); /* Allocate prefetchable memory */ flags = 0; for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_MEMORY && dinfo->mprefetchable & BARBIT(barlist[tmp]->rid)) { flags = rman_make_alignment_flags(barlist[tmp]->count); break; } } if (flags > 0) { /* If any prefetchable memory is requested... */ /* * First we allocate one big space for all resources of this * type. We do this because our parent, pccbb, needs to open * a window to forward all addresses within the window, and * it would be best if nobody else has resources allocated * within the window. * (XXX: Perhaps there might be a better way to do this?) */ rid = 0; res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, (dinfo->mprefetchable & dinfo->mbelow1mb)?0xFFFFF:~0UL, mem_psize, flags); start = rman_get_start(res); end = rman_get_end(res); DEVPRINTF((cbdev, "Prefetchable memory at %x-%x\n", start, end)); /* * Now that we know the region is free, release it and hand it * out piece by piece. */ bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_MEMORY && dinfo->mprefetchable & BARBIT(barlist[tmp]->rid)) { barlist[tmp]->res = bus_alloc_resource(cbdev, barlist[tmp]->type, &barlist[tmp]->rid, start, end, barlist[tmp]->count, rman_make_alignment_flags( barlist[tmp]->count)); if (barlist[tmp]->res == NULL) { mem_nsize += barlist[tmp]->count; dinfo->mprefetchable &= ~BARBIT(barlist[tmp]->rid); DEVPRINTF((cbdev, "Cannot pre-allocate " "prefetchable memory, will try as " "non-prefetchable.\n")); } else { barlist[tmp]->start = rman_get_start(barlist[tmp]->res); barlist[tmp]->end = rman_get_end(barlist[tmp]->res); pci_write_config(child, barlist[tmp]->rid, barlist[tmp]->start, 4); DEVPRINTF((cbdev, "Prefetchable memory " "rid=%x at %lx-%lx\n", barlist[tmp]->rid, barlist[tmp]->start, barlist[tmp]->end)); } } } } /* Allocate non-prefetchable memory */ flags = 0; for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_MEMORY) { flags = rman_make_alignment_flags(barlist[tmp]->count); break; } } if (flags > 0) { /* If any non-prefetchable memory is requested... */ /* * First we allocate one big space for all resources of this * type. We do this because our parent, pccbb, needs to open * a window to forward all addresses within the window, and * it would be best if nobody else has resources allocated * within the window. * (XXX: Perhaps there might be a better way to do this?) */ rid = 0; res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, ((~dinfo->mprefetchable) & dinfo->mbelow1mb)?0xFFFFF:~0UL, mem_nsize, flags); start = rman_get_start(res); end = rman_get_end(res); DEVPRINTF((cbdev, "Non-prefetchable memory at %x-%x\n", start, end)); /* * Now that we know the region is free, release it and hand it * out piece by piece. */ bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_MEMORY) { barlist[tmp]->res = bus_alloc_resource(cbdev, barlist[tmp]->type, &barlist[tmp]->rid, start, end, barlist[tmp]->count, rman_make_alignment_flags( barlist[tmp]->count)); if (barlist[tmp]->res == NULL) { DEVPRINTF((cbdev, "Cannot pre-allocate " "memory for cardbus device\n")); free(barlist, M_DEVBUF); return (ENOMEM); } barlist[tmp]->start = rman_get_start(barlist[tmp]->res); barlist[tmp]->end = rman_get_end( barlist[tmp]->res); pci_write_config(child, barlist[tmp]->rid, barlist[tmp]->start, 4); DEVPRINTF((cbdev, "Non-prefetchable memory " "rid=%x at %lx-%lx (%lx)\n", barlist[tmp]->rid, barlist[tmp]->start, barlist[tmp]->end, barlist[tmp]->count)); } } } /* Allocate IO ports */ flags = 0; for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_IOPORT) { flags = rman_make_alignment_flags(barlist[tmp]->count); break; } } if (flags > 0) { /* If any IO port is requested... */ /* * First we allocate one big space for all resources of this * type. We do this because our parent, pccbb, needs to open * a window to forward all addresses within the window, and * it would be best if nobody else has resources allocated * within the window. * (XXX: Perhaps there might be a better way to do this?) */ rid = 0; res = bus_alloc_resource(cbdev, SYS_RES_IOPORT, &rid, 0, (dinfo->ibelow1mb)?0xFFFFF:~0UL, io_size, flags); start = rman_get_start(res); end = rman_get_end(res); DEVPRINTF((cbdev, "IO port at %x-%x\n", start, end)); /* * Now that we know the region is free, release it and hand it * out piece by piece. */ bus_release_resource(cbdev, SYS_RES_IOPORT, rid, res); for (tmp = 0; tmp < count; tmp++) { if (barlist[tmp]->res == NULL && barlist[tmp]->type == SYS_RES_IOPORT) { barlist[tmp]->res = bus_alloc_resource(cbdev, barlist[tmp]->type, &barlist[tmp]->rid, start, end, barlist[tmp]->count, rman_make_alignment_flags( barlist[tmp]->count)); if (barlist[tmp]->res == NULL) { DEVPRINTF((cbdev, "Cannot pre-allocate " "IO port for cardbus device\n")); free(barlist, M_DEVBUF); return (ENOMEM); } barlist[tmp]->start = rman_get_start(barlist[tmp]->res); barlist[tmp]->end = rman_get_end(barlist[tmp]->res); pci_write_config(child, barlist[tmp]->rid, barlist[tmp]->start, 4); DEVPRINTF((cbdev, "IO port rid=%x at %lx-%lx\n", barlist[tmp]->rid, barlist[tmp]->start, barlist[tmp]->end)); } } } /* Allocate IRQ */ rid = 0; res = bus_alloc_resource(cbdev, SYS_RES_IRQ, &rid, 0, ~0UL, 1, RF_SHAREABLE); resource_list_add(&dinfo->pci.resources, SYS_RES_IRQ, rid, rman_get_start(res), rman_get_end(res), 1); rle = resource_list_find(&dinfo->pci.resources, SYS_RES_IRQ, rid); rle->res = res; dinfo->pci.cfg.intline = rman_get_start(res); pci_write_config(child, PCIR_INTLINE, rman_get_start(res), 1); free(barlist, M_DEVBUF); return (0); } /* * Adding a memory/io resource (sans CIS) */ static void cardbus_add_map(device_t cbdev, device_t child, int reg) { struct cardbus_devinfo *dinfo = device_get_ivars(child); struct resource_list_entry *rle; uint32_t size; uint32_t testval; int type; SLIST_FOREACH(rle, &dinfo->pci.resources, link) { if (rle->rid == reg) return; } if (reg == CARDBUS_ROM_REG) testval = CARDBUS_ROM_ADDRMASK; else testval = ~0; pci_write_config(child, reg, testval, 4); testval = pci_read_config(child, reg, 4); if (testval == ~0 || testval == 0) return; if ((testval & 1) == 0) type = SYS_RES_MEMORY; else type = SYS_RES_IOPORT; size = CARDBUS_MAPREG_MEM_SIZE(testval); device_printf(cbdev, "Resource not specified in CIS: id=%x, size=%x\n", reg, size); resource_list_add(&dinfo->pci.resources, type, reg, 0UL, ~0UL, size); } static void cardbus_pickup_maps(device_t cbdev, device_t child) { struct cardbus_devinfo *dinfo = device_get_ivars(child); struct cardbus_quirk *q; int reg; /* * Try to pick up any resources that was not specified in CIS. * Some devices (eg, 3c656) does not list all resources required by * the driver in its CIS. * XXX: should we do this or use quirks? */ for (reg = 0; reg < dinfo->pci.cfg.nummaps; reg++) { cardbus_add_map(cbdev, child, PCIR_MAPS + reg * 4); } for (q = &cardbus_quirks[0]; q->devid; q++) { if (q->devid == ((dinfo->pci.cfg.device << 16) | dinfo->pci.cfg.vendor) && q->type == CARDBUS_QUIRK_MAP_REG) { cardbus_add_map(cbdev, child, q->arg1); } } } int cardbus_cis_read(device_t cbdev, device_t child, uint8_t id, struct cis_tupleinfo **buff, int *nret) { struct tuple_callbacks cisread_callbacks[] = { MAKETUPLE(NULL, nothing), /* first entry will be overwritten */ MAKETUPLE(NULL, nothing), MAKETUPLE(DEVICE, nothing), MAKETUPLE(LONG_LINK_CB, unhandled), MAKETUPLE(INDIRECT, unhandled), MAKETUPLE(CONFIG_CB, nothing), MAKETUPLE(CFTABLE_ENTRY_CB, nothing), MAKETUPLE(LONGLINK_MFC, unhandled), MAKETUPLE(BAR, nothing), MAKETUPLE(PWR_MGMNT, nothing), MAKETUPLE(EXTDEVICE, nothing), MAKETUPLE(CHECKSUM, nothing), MAKETUPLE(LONGLINK_A, unhandled), MAKETUPLE(LONGLINK_C, unhandled), MAKETUPLE(LINKTARGET, nothing), MAKETUPLE(NO_LINK, nothing), MAKETUPLE(VERS_1, nothing), MAKETUPLE(ALTSTR, nothing), MAKETUPLE(DEVICE_A, nothing), MAKETUPLE(JEDEC_C, nothing), MAKETUPLE(JEDEC_A, nothing), MAKETUPLE(CONFIG, nothing), MAKETUPLE(CFTABLE_ENTRY, nothing), MAKETUPLE(DEVICE_OC, nothing), MAKETUPLE(DEVICE_OA, nothing), MAKETUPLE(DEVICE_GEO, nothing), MAKETUPLE(DEVICE_GEO_A, nothing), MAKETUPLE(MANFID, nothing), MAKETUPLE(FUNCID, nothing), MAKETUPLE(FUNCE, nothing), MAKETUPLE(SWIL, nothing), MAKETUPLE(VERS_2, nothing), MAKETUPLE(FORMAT, nothing), MAKETUPLE(GEOMETRY, nothing), MAKETUPLE(BYTEORDER, nothing), MAKETUPLE(DATE, nothing), MAKETUPLE(BATTERY, nothing), MAKETUPLE(ORG, nothing), MAKETUPLE(END, end), MAKETUPLE(GENERIC, nothing), }; int ret; cisread_callbacks[0].id = id; cisread_callbacks[0].name = "COPY"; cisread_callbacks[0].func = decode_tuple_copy; ncisread_buf = 0; cisread_buf = NULL; ret = cardbus_parse_cis(cbdev, child, cisread_callbacks); *buff = cisread_buf; *nret = ncisread_buf; return (ret); } void cardbus_cis_free(device_t cbdev, struct cis_tupleinfo *buff, int *nret) { int i; for (i = 0; i < *nret; i++) free(buff[i].data, M_DEVBUF); if (*nret > 0) free(buff, M_DEVBUF); } int cardbus_do_cis(device_t cbdev, device_t child) { int ret; struct tuple_callbacks init_callbacks[] = { MAKETUPLE(NULL, generic), MAKETUPLE(DEVICE, generic), MAKETUPLE(LONG_LINK_CB, unhandled), MAKETUPLE(INDIRECT, unhandled), MAKETUPLE(CONFIG_CB, generic), MAKETUPLE(CFTABLE_ENTRY_CB, generic), MAKETUPLE(LONGLINK_MFC, unhandled), MAKETUPLE(BAR, bar), MAKETUPLE(PWR_MGMNT, generic), MAKETUPLE(EXTDEVICE, generic), MAKETUPLE(CHECKSUM, generic), MAKETUPLE(LONGLINK_A, unhandled), MAKETUPLE(LONGLINK_C, unhandled), MAKETUPLE(LINKTARGET, linktarget), MAKETUPLE(NO_LINK, generic), MAKETUPLE(VERS_1, vers_1), MAKETUPLE(ALTSTR, generic), MAKETUPLE(DEVICE_A, generic), MAKETUPLE(JEDEC_C, generic), MAKETUPLE(JEDEC_A, generic), MAKETUPLE(CONFIG, generic), MAKETUPLE(CFTABLE_ENTRY, generic), MAKETUPLE(DEVICE_OC, generic), MAKETUPLE(DEVICE_OA, generic), MAKETUPLE(DEVICE_GEO, generic), MAKETUPLE(DEVICE_GEO_A, generic), MAKETUPLE(MANFID, manfid), MAKETUPLE(FUNCID, funcid), MAKETUPLE(FUNCE, funce), MAKETUPLE(SWIL, generic), MAKETUPLE(VERS_2, generic), MAKETUPLE(FORMAT, generic), MAKETUPLE(GEOMETRY, generic), MAKETUPLE(BYTEORDER, generic), MAKETUPLE(DATE, generic), MAKETUPLE(BATTERY, generic), MAKETUPLE(ORG, generic), MAKETUPLE(END, end), MAKETUPLE(GENERIC, generic), }; ret = cardbus_parse_cis(cbdev, child, init_callbacks); if (ret < 0) return (ret); cardbus_pickup_maps(cbdev, child); return (cardbus_alloc_resources(cbdev, child)); }