/* $Id: pcmcia_conf.c,v 1.4 1996/08/31 18:01:02 deraadt Exp $ */ /* * Copyright (c) 1996 John T. Kohl. All rights reserved. * Copyright (c) 1994 Stefan Grefen. 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. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Charles Hannum. * This product includes software developed by Stefan Grefen. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * */ /* * This file is shared between user and kernel space, so be careful with the * coding conventions. */ #ifdef _KERNEL #include #else #include #endif #include #include #include #include #include #include #include #include #include #ifdef CFG_DEBUG static void dump(addr, len) u_char *addr; int len; { int i; for (i = 0; i < len; i++) { printf("%02x ", addr[i]); if (i != 0 && (i & 0xf) == 0) printf("\n"); } if (i != 0 && (i & 0xf) == 0) printf("\n"); } #endif int pcmcia_get_cf(pc_link, data, dlen, idx, pc_cf) struct pcmcia_link *pc_link; u_char *data; int dlen, idx; struct pcmcia_conf *pc_cf; { u_char code, len, *tbuf, *endp; int done; endp = data + dlen; done = 0; while (!done && data < endp) { code = *data++; if (code == CIS_NULL) { continue; } len = *data++; tbuf = data; data += len; switch (code) { case CIS_END: done = 1; break; case CIS_CFG_INFO: read_cfg_info(tbuf, len, pc_cf); break; case CIS_CFG_ENT: if ((idx & CFGENTRYMASK) != CFGENTRYID || pc_cf->cfgid == 0) parse_cfent(tbuf, len, idx, pc_cf); break; default: break; } } return 0; } void read_cfg_info(tbuf, len, pc_cf) u_char *tbuf; int len; struct pcmcia_conf *pc_cf; { int rasz, rmsz; rasz = (tbuf[0] & TPCC_RASZ) >> TPCC_RASZ_SHIFT; rmsz = (tbuf[0] & TPCC_RMSZ) >> TPCC_RMSZ_SHIFT; #ifdef CFG_DEBUG printf("read_cfg_info\n"); dump(tbuf, len); #endif pc_cf->cfg_off = 0; switch (rasz) { case 3: pc_cf->cfg_off |= (tbuf[5] << 24); case 2: pc_cf->cfg_off |= (tbuf[4] << 16); case 1: pc_cf->cfg_off |= (tbuf[3] << 8); case 0: pc_cf->cfg_off |= tbuf[2]; } tbuf += rasz + 3; pc_cf->cfg_regmask = 0; switch (rmsz & 3) { case 3: pc_cf->cfg_regmask |= (tbuf[3] << 24); case 2: pc_cf->cfg_regmask |= (tbuf[2] << 16); case 1: pc_cf->cfg_regmask |= (tbuf[1] << 8); case 0: pc_cf->cfg_regmask |= tbuf[0]; } } void parse_cfent(tbuf, len, slotid, pc_cf) u_char *tbuf; int len; int slotid; struct pcmcia_conf *pc_cf; { volatile int i, idx, defp, intface, k; int ios, ftrs; int host_addr_p, addr_size, len_size; #ifdef CFG_DEBUG printf("parse_cfent\n"); dump(tbuf, len); #endif i = 0; intface = (tbuf[i] & TPCE_INDX_INT); idx = (tbuf[i] & TPCE_INDX_ENTRY); defp = (tbuf[i] & TPCE_INDX_DEF); if ((idx == slotid) || (defp && slotid!=-2 && (slotid & CFGENTRYMASK) == CFGENTRYMASK)) { int j; if (intface) { i++; pc_cf->iocard = (tbuf[i] & TPCE_IF_TYPE) == 1; } i++; ftrs = tbuf[i++]; for (j = 0; j < (ftrs & TPCE_FS_PWR); j++) { int pwr_desc = tbuf[i++]; /* for each struct, skip all parameter defns */ for (k = 0; k < 8; pwr_desc >>= 1, k++) { if (pwr_desc & 0x01) { /* skip bytes until non-ext found */ while (tbuf[i++] & 0x80) continue; } } } /* TODO read timing info */ if (ftrs & TPCE_FS_TD) { #define BONE(a,b) (j & a) != 7 << b ? 1 : 0 int j = tbuf[i++]; i += ((j & TPCE_FS_TD_WAIT) != 3 ? 1 : 0); i += BONE(TPCE_FS_TD_RDY,TPCE_FS_TD_RDY_SHIFT); i += BONE(TPCE_FS_TD_RSV,TPCE_FS_TD_RSV_SHIFT); #undef BONE } if (ftrs & TPCE_FS_IO) { int io_addrs[16], io_lens[16]; int io_16, io_block_len, io_block_size, io_lines; int io_range; io_lines = tbuf[i] & TPCE_FS_IO_LINES; io_16 = tbuf[i] & TPCE_FS_IO_BUS16; io_range = tbuf[i] &TPCE_FS_IO_RANGE; i++; if (io_range) { int iptr, ilen, elen; io_block_len = (tbuf[i] & TPCE_FS_IO_LEN) >> TPCE_FS_IO_LEN_SHIFT; io_block_size = (tbuf[i] & TPCE_FS_IO_SIZE) >> TPCE_FS_IO_SIZE_SHIFT; ios = (tbuf[i] & TPCE_FS_IO_NUM) + 1; i++; elen=io_block_len+(io_block_len==3?1:0)+ io_block_size+(io_block_size==3?1:0); if ((ftrs & TPCE_FS_IRQ) != 0) { iptr=(ios * elen) + i; #define IRQTYPE (TPCE_FS_IRQ_PULSE|TPCE_FS_IRQ_LEVEL) #define IRQMASK TPCE_FS_IRQ_MASK if ((tbuf[iptr] & IRQTYPE) == 0) if ((tbuf[iptr-elen] & IRQTYPE) != 0) iptr -= elen; if ((tbuf[iptr] & IRQMASK) != 0) ilen = 2; else ilen=1; } else ilen=0; if ((i + (ios * elen) + ilen) > len) { printf( "Warning: CIS range info doesn't fit in entry! Reducing # of ranges by 1\n"); ios--; } for (j = 0; j < ios; j++) { io_addrs[j] = io_lens[j] = 0; switch (io_block_size) { case 3: io_addrs[j] |= tbuf[i+3] << 24; io_addrs[j] |= tbuf[i+2] << 16; case 2: io_addrs[j] |= tbuf[i+1] << 8; case 1: io_addrs[j] |= tbuf[i]; break; } pc_cf->io[j].start = io_addrs[j]; i += io_block_size + (io_block_size == 3 ? 1 : 0); switch (io_block_len) { case 3: io_lens[j] |= tbuf[i+3] << 24; io_lens[j] |= tbuf[i+2] << 16; case 2: io_lens[j] |= tbuf[i+1] << 8; case 1: io_lens[j] |= tbuf[i]; break; } io_lens[j]++; if(io_lens[j] & 1) { printf( "Odd IO window length!! (Assuming incorrect CIS entry %d)\n", io_lens[j]); io_lens[j]--; } pc_cf->io[j].len = io_lens[j]; pc_cf->io[j].flags = io_16 ? PCMCIA_MAP_16 : PCMCIA_MAP_8; i += io_block_len + (io_block_len == 3 ? 1 : 0); } pc_cf->iowin = ios; } else { pc_cf->iowin = 1; pc_cf->io[0].len = 1 << io_lines; pc_cf->io[0].start= 0 ; pc_cf->io[0].flags = io_16 ? PCMCIA_MAP_16 : PCMCIA_MAP_8; } } if (ftrs & TPCE_FS_IRQ) { pc_cf->irq_level = (tbuf[i] & TPCE_FS_IRQ_LEVEL) != 0; pc_cf->irq_pulse = (tbuf[i] & TPCE_FS_IRQ_PULSE) != 0; pc_cf->irq_share = (tbuf[i] & TPCE_FS_IRQ_SHARE) != 0; if (tbuf[i] & TPCE_FS_IRQ_MASK) { pc_cf->irq_mask = (tbuf[i+2] << 8) + tbuf[i+1]; if (pc_cf->irq_mask & (1 << 2)) pc_cf->irq_mask |= 1 << 9; i += 2; } else { pc_cf->irq_num = tbuf[i] & TPCE_FS_IRQ_IRQN; pc_cf->irq_mask = -1; } i++; } if (ftrs & TPCE_FS_MEM) { int memp, mems, mem_lens[16], mem_caddrs[16], mem_haddrs[16]; memp = 1; switch ((ftrs & TPCE_FS_MEM) >> TPCE_FS_MEM_SHIFT) { case 1: mems = 1; mem_lens[0] = (tbuf[i+1] << 8) + tbuf[i]; mem_lens[0] <<= 8; break; case 2: mems = 1; mem_lens[0] = (tbuf[i+1] << 8) + tbuf[i]; mem_caddrs[0] = mem_haddrs[0] = (tbuf[i+3] << 8) + tbuf[i+2]; mem_lens[0] <<= 8; mem_caddrs[0] <<= 8; break; case 3: host_addr_p = tbuf[i] & TPCE_FS_MEM_HOST; addr_size = (tbuf[i] & TPCE_FS_MEM_ADDR) >> TPCE_FS_MEM_ADDR_SHIFT; len_size = (tbuf[i] & TPCE_FS_MEM_LEN) >> TPCE_FS_MEM_LEN_SHIFT; mems = (tbuf[i] & TPCE_FS_MEM_WINS) + 1; i++; for (j = 0; j < mems; j++) { mem_lens[j] = 0; mem_caddrs[j] = 0; mem_haddrs[j] = 0; switch (len_size) { case 3: mem_lens[j] |= (tbuf[i+2] << 16); case 2: mem_lens[j] |= (tbuf[i+1] << 8); case 1: mem_lens[j] |= tbuf[i]; } i += len_size; switch (addr_size) { case 3: mem_caddrs[j] |= (tbuf[i+2] << 16); case 2: mem_caddrs[j] |= (tbuf[i+1] << 8); case 1: mem_caddrs[j] |= tbuf[i]; } i += addr_size; if (host_addr_p) { switch (addr_size) { case 3: mem_haddrs[j] |= (tbuf[i+2] << 16); case 2: mem_haddrs[j] |= (tbuf[i+1] << 8); case 1: mem_haddrs[j] |= tbuf[i]; } i += addr_size; } mem_lens[j] <<= 8; mem_caddrs[j] <<= 8; mem_haddrs[j] <<= 8; } break; default: mems = 0; break; } for (j = 0; j < mems; j++) { pc_cf->mem[j].len = mem_lens[j]; pc_cf->mem[j].caddr = mem_caddrs[j]; pc_cf->mem[j].start = mem_haddrs[j]; pc_cf->mem[j].flags = 0; } pc_cf->memwin = mems; } else pc_cf->memwin = 0; return; } if (slotid == -2 ) { /* find matching slotid */ struct pcmcia_conf tmp_cf; /* get defaults */ parse_cfent(tbuf, len, -1, &tmp_cf); /* change to selected */ parse_cfent(tbuf, len, idx, &tmp_cf); #ifdef CFG_DEBUG printf("slotid %d %d iowin %d %d memwin %d %d wins %x %x %d %d\n", pc_cf->iocard , tmp_cf.iocard, pc_cf->iowin , tmp_cf.iowin, pc_cf->memwin , tmp_cf.memwin, pc_cf->io[0].start , tmp_cf.io[0].start, pc_cf->io[0].len , tmp_cf.io[0].len ); #endif if((pc_cf->iocard == tmp_cf.iocard) && /* same type */ (pc_cf->iowin == tmp_cf.iowin) && (pc_cf->memwin == tmp_cf.memwin)) { int i; for (i = 0; i < tmp_cf.iowin; i++) if (pc_cf->io[i].len != tmp_cf.io[i].len || pc_cf->io[i].start != tmp_cf.io[i].start) return; for (i = 0; i < tmp_cf.memwin; i++) if (pc_cf->mem[i].len!=tmp_cf.mem[i].len || pc_cf->mem[i].start!=tmp_cf.mem[i].start) return; /* *pc_cf = tmp_cf; */ pc_cf->cfgid = idx; } return; } } void pcmcia_getstr(buf, pptr, end) char *buf; u_char **pptr; u_char *end; { u_char *ptr = *pptr; char *eb = buf + MAX_CIS_NAMELEN - 1; while (buf < eb && ptr < end) switch (*ptr) { case 0x00: ptr++; /*FALLTHROUGH*/ case 0xff: *pptr = ptr; *buf = '\0'; return; default: *buf++ = *ptr++; break; } printf("Warning: Maximum CIS string length exceeded\n"); *buf = '\0'; /* Keep going until we find the end */ while (ptr < end) switch (*ptr) { case 0x00: ptr++; /*FALLTHROUGH*/ case 0xff: *pptr = ptr; return; default: ptr++; break; } *pptr = ptr; } int pcmcia_get_cisver1(pc_link, data, len, manu, model, add_inf1, add_inf2) struct pcmcia_link *pc_link; u_char *data; int len; char *manu, *model, *add_inf1, *add_inf2; { u_char *p, *end; p = data; end = data + len; while ((*p != (u_char) 0xff) && (p < end)) { int clen = *(p + 1); int maj, min; if (*p == CIS_VER1) { u_char *pp = p + 2; maj = *pp++; min = *pp++; if (maj != 4 || min != 1) { printf("wrong version id %d.%d for card in slot %d\n", maj, min, pc_link->slot); return ENODEV; } pcmcia_getstr(manu, &pp, end); pcmcia_getstr(model, &pp, end); pcmcia_getstr(add_inf1, &pp, end); pcmcia_getstr(add_inf2, &pp, end); if (*pp != (u_char) 0xff) { printf("WARNING: broken id for card in slot %d\n", pc_link->slot); printf("manu %s model %s add_inf1 %s add_inf2 %s\n", manu, model, add_inf1, add_inf2); return 0; } return 0; } p += clen + 2; } #ifdef CFG_DEBUG printf("get_cisver1 failed, buffer [%p,%p)\n", p, end); #endif return ENODEV; } #define NULLCP (void *)0 /* pcmcia template string match. A '*' matches any number of characters. A NULL template matches all strings. return-value 0 nomatch 1 wildcard match 2 excact match */ int pcmcia_strcmp(templ, val, flags, msg) const char *templ; const char *val; int flags; const char *msg; { const char *ltempl = NULLCP; const char *lval = NULLCP; if (flags & PC_SHOWME) printf("%s = `%s'-`%s'\n", msg, templ ? templ : "X", val); if (templ == NULLCP) { return 1; } while (*val) { while (*templ == '*') { ltempl = ++templ; lval = val; } if (*templ == *val) { templ++; val++; } else { if (ltempl == NULLCP) return 0; val = ++lval; templ = ltempl; } } if (*templ != 0 && *templ != '*') return 0; return (ltempl ? 1 : 2); } /* * Return a match value to estimate how good a match the specified driver * is for this particular card. */ int pcmcia_matchvalue(card, dentry) const struct pcmcia_cardinfo *card; struct pcmciadevs *dentry; { int match; #ifdef PCMCIA_DEBUG dentry->flags |= PC_SHOWME; #endif match = pcmcia_strcmp(dentry->manufacturer, card->manufacturer, dentry->flags, "manufacturer")<<6; match |= pcmcia_strcmp(dentry->model, card->model, dentry->flags, "model")<<4; match |= pcmcia_strcmp(dentry->add_inf1, card->add_info1, dentry->flags, "info1")<<2; match |= pcmcia_strcmp(dentry->add_inf2, card->add_info2, dentry->flags, "info2"); #ifdef PCMCIA_DEBUG printf("match == %d\n", match); #endif return match; } int pcmcia_bestvalue(card, dentries, nentries, rmatch) struct pcmcia_cardinfo *card; struct pcmciadevs *dentries; int nentries; struct pcmciadevs **rmatch; { int bestmatch, thismatch; register int i; for (i = 0, bestmatch = 0; i < nentries; i++) { if ((thismatch = pcmcia_matchvalue(card, &dentries[i])) > bestmatch) { bestmatch = thismatch; *rmatch = &dentries[i]; } } return bestmatch; } int pcmcia_slave_match(parent, match, aux, devs, ndevs) struct device *parent; void *match, *aux; struct pcmciadevs *devs; int ndevs; { struct pcmcia_attach_args *paa = aux; struct device *self = match; struct pcmciadevs *devmatch; int value; if (paa->paa_link->fordriver && strcmp(paa->paa_link->fordriver, self->dv_cfdata->cf_driver->cd_name)) return 0; /* wrong driver */ value = pcmcia_bestvalue(paa->paa_cardinfo, devs, ndevs, &devmatch); if (value > paa->paa_bestmatch) { paa->paa_bestmatch = value; paa->paa_link->device = devmatch; #ifdef PCMCIA_DEBUG printf("pcmcia_slave_match: best so far, %p->%p\n", paa->paa_link, devmatch); printf("pcmcia_slave_match returns %d\n", value); delay(2000000); #endif if (!paa->paa_matchonly) return value; } return 0; }