- if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) {
- *base = s->io_offset | (*base & 0x0fff);
- return 0;
- }
- /* Check for an already-allocated window that must conflict with
- * what was asked for. It is a hack because it does not catch all
- * potential conflicts, just the most obvious ones.
- */
- for (i = 0; i < MAX_IO_WIN; i++)
- if ((s->io[i].res) && *base &&
- ((s->io[i].res->start & (align-1)) == *base))
- return 1;
- for (i = 0; i < MAX_IO_WIN; i++) {
- if (!s->io[i].res) {
- s->io[i].res = pcmcia_find_io_region(*base, num, align, s);
- if (s->io[i].res) {
- *base = s->io[i].res->start;
- s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS);
- s->io[i].InUse = num;
- break;
- } else
- return 1;
- } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS))
- continue;
- /* Try to extend top of window */
- try = s->io[i].res->end + 1;
- if ((*base == 0) || (*base == try))
- if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start,
- s->io[i].res->end + num, s) == 0) {
- *base = try;
- s->io[i].InUse += num;
- break;
- }
- /* Try to extend bottom of window */
- try = s->io[i].res->start - num;
- if ((*base == 0) || (*base == try))
- if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num,
- s->io[i].res->end, s) == 0) {
- *base = try;
- s->io[i].InUse += num;
- break;
- }
- }
- return (i == MAX_IO_WIN);