diff options
Diffstat (limited to 'drivers/pcmcia/cistpl.c')
-rw-r--r-- | drivers/pcmcia/cistpl.c | 200 |
1 files changed, 32 insertions, 168 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index a8323cb2e34d..368367ced62b 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -268,29 +268,27 @@ EXPORT_SYMBOL(pcmcia_write_cis_mem); static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, size_t len, void *ptr) { - struct cis_cache_entry *cis; - int ret; + struct cis_cache_entry *cis; + int ret; - if (s->fake_cis) { - if (s->fake_cis_len >= addr+len) - memcpy(ptr, s->fake_cis+addr, len); - else - memset(ptr, 0xff, len); - return; - } + if (s->state & SOCKET_CARDBUS) + return; - list_for_each_entry(cis, &s->cis_cache, node) { - if (cis->addr == addr && cis->len == len && cis->attr == attr) { - memcpy(ptr, cis->cache, len); - return; + if (s->fake_cis) { + if (s->fake_cis_len >= addr+len) + memcpy(ptr, s->fake_cis+addr, len); + else + memset(ptr, 0xff, len); + return; + } + + list_for_each_entry(cis, &s->cis_cache, node) { + if (cis->addr == addr && cis->len == len && cis->attr == attr) { + memcpy(ptr, cis->cache, len); + return; + } } - } -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) - ret = read_cb_mem(s, attr, addr, len, ptr); - else -#endif ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr); if (ret == 0) { @@ -351,6 +349,9 @@ int verify_cis_cache(struct pcmcia_socket *s) struct cis_cache_entry *cis; char *buf; + if (s->state & SOCKET_CARDBUS) + return -EINVAL; + buf = kmalloc(256, GFP_KERNEL); if (buf == NULL) { dev_printk(KERN_WARNING, &s->dev, @@ -362,12 +363,8 @@ int verify_cis_cache(struct pcmcia_socket *s) if (len > 256) len = 256; -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) - read_cb_mem(s, cis->attr, cis->addr, len, buf); - else -#endif - pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf); + + pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf); if (memcmp(buf, cis->cache, len) != 0) { kfree(buf); @@ -427,25 +424,16 @@ int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple { if (!s) return -EINVAL; - if (!(s->state & SOCKET_PRESENT)) + + if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS)) return -ENODEV; tuple->TupleLink = tuple->Flags = 0; -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) { - struct pci_dev *dev = s->cb_dev; - u_int ptr; - pci_bus_read_config_dword(dev->subordinate, 0, PCI_CARDBUS_CIS, &ptr); - tuple->CISOffset = ptr & ~7; - SPACE(tuple->Flags) = (ptr & 7); - } else -#endif - { - /* Assume presence of a LONGLINK_C to address 0 */ - tuple->CISOffset = tuple->LinkOffset = 0; - SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1; - } - if (!(s->state & SOCKET_CARDBUS) && (s->functions > 1) && - !(tuple->Attributes & TUPLE_RETURN_COMMON)) { + + /* Assume presence of a LONGLINK_C to address 0 */ + tuple->CISOffset = tuple->LinkOffset = 0; + SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1; + + if ((s->functions > 1) && !(tuple->Attributes & TUPLE_RETURN_COMMON)) { cisdata_t req = tuple->DesiredTuple; tuple->DesiredTuple = CISTPL_LONGLINK_MFC; if (pccard_get_next_tuple(s, function, tuple) == 0) { @@ -481,7 +469,7 @@ static int follow_link(struct pcmcia_socket *s, tuple_t *tuple) } else { return -1; } - if (!(s->state & SOCKET_CARDBUS) && SPACE(tuple->Flags)) { + if (SPACE(tuple->Flags)) { /* This is ugly, but a common CIS error is to code the long link offset incorrectly, so we check the right spot... */ read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); @@ -507,7 +495,7 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_ if (!s) return -EINVAL; - if (!(s->state & SOCKET_PRESENT)) + if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS)) return -ENODEV; link[1] = tuple->TupleLink; @@ -1192,119 +1180,6 @@ static int parse_cftable_entry(tuple_t *tuple, /*====================================================================*/ -#ifdef CONFIG_CARDBUS - -static int parse_bar(tuple_t *tuple, cistpl_bar_t *bar) -{ - u_char *p; - if (tuple->TupleDataLen < 6) - return -EINVAL; - p = (u_char *)tuple->TupleData; - bar->attr = *p; - p += 2; - bar->size = get_unaligned_le32(p); - return 0; -} - -static int parse_config_cb(tuple_t *tuple, cistpl_config_t *config) -{ - u_char *p; - - p = (u_char *)tuple->TupleData; - if ((*p != 3) || (tuple->TupleDataLen < 6)) - return -EINVAL; - config->last_idx = *(++p); - p++; - config->base = get_unaligned_le32(p); - config->subtuples = tuple->TupleDataLen - 6; - return 0; -} - -static int parse_cftable_entry_cb(tuple_t *tuple, - cistpl_cftable_entry_cb_t *entry) -{ - u_char *p, *q, features; - - p = tuple->TupleData; - q = p + tuple->TupleDataLen; - entry->index = *p & 0x3f; - entry->flags = 0; - if (*p & 0x40) - entry->flags |= CISTPL_CFTABLE_DEFAULT; - - /* Process optional features */ - if (++p == q) - return -EINVAL; - features = *p; p++; - - /* Power options */ - if ((features & 3) > 0) { - p = parse_power(p, q, &entry->vcc); - if (p == NULL) - return -EINVAL; - } else - entry->vcc.present = 0; - if ((features & 3) > 1) { - p = parse_power(p, q, &entry->vpp1); - if (p == NULL) - return -EINVAL; - } else - entry->vpp1.present = 0; - if ((features & 3) > 2) { - p = parse_power(p, q, &entry->vpp2); - if (p == NULL) - return -EINVAL; - } else - entry->vpp2.present = 0; - - /* I/O window options */ - if (features & 0x08) { - if (p == q) - return -EINVAL; - entry->io = *p; p++; - } else - entry->io = 0; - - /* Interrupt options */ - if (features & 0x10) { - p = parse_irq(p, q, &entry->irq); - if (p == NULL) - return -EINVAL; - } else - entry->irq.IRQInfo1 = 0; - - if (features & 0x20) { - if (p == q) - return -EINVAL; - entry->mem = *p; p++; - } else - entry->mem = 0; - - /* Misc features */ - if (features & 0x80) { - if (p == q) - return -EINVAL; - entry->flags |= (*p << 8); - if (*p & 0x80) { - if (++p == q) - return -EINVAL; - entry->flags |= (*p << 16); - } - while (*p & 0x80) - if (++p == q) - return -EINVAL; - p++; - } - - entry->subtuples = q-p; - - return 0; -} - -#endif - -/*====================================================================*/ - static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo) { u_char *p, *q; @@ -1406,17 +1281,6 @@ int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse) case CISTPL_DEVICE_A: ret = parse_device(tuple, &parse->device); break; -#ifdef CONFIG_CARDBUS - case CISTPL_BAR: - ret = parse_bar(tuple, &parse->bar); - break; - case CISTPL_CONFIG_CB: - ret = parse_config_cb(tuple, &parse->config); - break; - case CISTPL_CFTABLE_ENTRY_CB: - ret = parse_cftable_entry_cb(tuple, &parse->cftable_entry_cb); - break; -#endif case CISTPL_CHECKSUM: ret = parse_checksum(tuple, &parse->checksum); break; |