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authorDominik Brodowski <linux@dominikbrodowski.net>2010-03-02 08:57:33 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2010-03-03 08:32:15 +0100
commit6e83ee075ed74941ccaad4fec503f6b24646e7e0 (patch)
tree388dad55e7996e686f022607c12e426051b368ed /drivers
parentf25e188c892a9a82f8c3babf6fda304fff8cb3cc (diff)
pcmcia: CodingStyle fixes
Fix most of the remaining CodingStyle issues in drivers/pcmcia , which related to wrong indent -- PCMCIA historically used 4 spaces. Also, remove a custom min() implementation with the generic one. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pcmcia/cardbus.c2
-rw-r--r--drivers/pcmcia/cistpl.c1908
-rw-r--r--drivers/pcmcia/rsrc_mgr.c3
3 files changed, 942 insertions, 971 deletions
diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c
index ac0686efbf7..e6ab2a47d8c 100644
--- a/drivers/pcmcia/cardbus.c
+++ b/drivers/pcmcia/cardbus.c
@@ -71,7 +71,7 @@ int __ref cb_alloc(struct pcmcia_socket *s)
unsigned int max, pass;
s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
- pci_fixup_cardbus(bus);
+ pci_fixup_cardbus(bus);
max = bus->secondary;
for (pass = 0; pass < 2; pass++)
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 2f3622dd4b6..f230f6543bf 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -54,46 +54,44 @@ static const u_int exponent[] = {
/* Upper limit on reasonable # of tuples */
#define MAX_TUPLES 200
-/*====================================================================*/
-
-/* Parameters that can be set with 'insmod' */
-
/* 16-bit CIS? */
static int cis_width;
module_param(cis_width, int, 0444);
void release_cis_mem(struct pcmcia_socket *s)
{
- mutex_lock(&s->ops_mutex);
- if (s->cis_mem.flags & MAP_ACTIVE) {
- s->cis_mem.flags &= ~MAP_ACTIVE;
- s->ops->set_mem_map(s, &s->cis_mem);
- if (s->cis_mem.res) {
- release_resource(s->cis_mem.res);
- kfree(s->cis_mem.res);
- s->cis_mem.res = NULL;
+ mutex_lock(&s->ops_mutex);
+ if (s->cis_mem.flags & MAP_ACTIVE) {
+ s->cis_mem.flags &= ~MAP_ACTIVE;
+ s->ops->set_mem_map(s, &s->cis_mem);
+ if (s->cis_mem.res) {
+ release_resource(s->cis_mem.res);
+ kfree(s->cis_mem.res);
+ s->cis_mem.res = NULL;
+ }
+ iounmap(s->cis_virt);
+ s->cis_virt = NULL;
}
- iounmap(s->cis_virt);
- s->cis_virt = NULL;
- }
- mutex_unlock(&s->ops_mutex);
+ mutex_unlock(&s->ops_mutex);
}
-/*
- * Map the card memory at "card_offset" into virtual space.
+/**
+ * set_cis_map() - map the card memory at "card_offset" into virtual space.
+ *
* If flags & MAP_ATTRIB, map the attribute space, otherwise
* map the memory space.
*
* Must be called with ops_mutex held.
*/
-static void __iomem *
-set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags)
+static void __iomem *set_cis_map(struct pcmcia_socket *s,
+ unsigned int card_offset, unsigned int flags)
{
pccard_mem_map *mem = &s->cis_mem;
int ret;
if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) {
- mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s);
+ mem->res = pcmcia_find_mem_region(0, s->map_size,
+ s->map_size, 0, s);
if (mem->res == NULL) {
dev_printk(KERN_NOTICE, &s->dev,
"cs: unable to map card memory!\n");
@@ -124,165 +122,170 @@ set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flag
return s->cis_virt;
}
-/*======================================================================
-
- Low-level functions to read and write CIS memory. I think the
- write routine is only useful for writing one-byte registers.
-
-======================================================================*/
/* Bits in attr field */
#define IS_ATTR 1
#define IS_INDIRECT 8
+/**
+ * pcmcia_read_cis_mem() - low-level function to read CIS memory
+ */
int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
u_int len, void *ptr)
{
- void __iomem *sys, *end;
- unsigned char *buf = ptr;
-
- dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
-
- mutex_lock(&s->ops_mutex);
- if (attr & IS_INDIRECT) {
- /* Indirect accesses use a bunch of special registers at fixed
- locations in common memory */
- u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
- if (attr & IS_ATTR) {
- addr *= 2;
- flags = ICTRL0_AUTOINC;
- }
+ void __iomem *sys, *end;
+ unsigned char *buf = ptr;
- sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0));
- if (!sys) {
- dev_dbg(&s->dev, "could not map memory\n");
- memset(ptr, 0xff, len);
- mutex_unlock(&s->ops_mutex);
- return -1;
- }
+ dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
- writeb(flags, sys+CISREG_ICTRL0);
- writeb(addr & 0xff, sys+CISREG_IADDR0);
- writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
- writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
- writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
- for ( ; len > 0; len--, buf++)
- *buf = readb(sys+CISREG_IDATA0);
- } else {
- u_int inc = 1, card_offset, flags;
-
- if (addr > CISTPL_MAX_CIS_SIZE)
- dev_dbg(&s->dev, "attempt to read CIS mem at addr %#x", addr);
-
- flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
- if (attr) {
- flags |= MAP_ATTRIB;
- inc++;
- addr *= 2;
- }
+ mutex_lock(&s->ops_mutex);
+ if (attr & IS_INDIRECT) {
+ /* Indirect accesses use a bunch of special registers at fixed
+ locations in common memory */
+ u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
+ if (attr & IS_ATTR) {
+ addr *= 2;
+ flags = ICTRL0_AUTOINC;
+ }
- card_offset = addr & ~(s->map_size-1);
- while (len) {
- sys = set_cis_map(s, card_offset, flags);
- if (!sys) {
- dev_dbg(&s->dev, "could not map memory\n");
- memset(ptr, 0xff, len);
- mutex_unlock(&s->ops_mutex);
- return -1;
- }
- end = sys + s->map_size;
- sys = sys + (addr & (s->map_size-1));
- for ( ; len > 0; len--, buf++, sys += inc) {
- if (sys == end)
- break;
- *buf = readb(sys);
- }
- card_offset += s->map_size;
- addr = 0;
+ sys = set_cis_map(s, 0, MAP_ACTIVE |
+ ((cis_width) ? MAP_16BIT : 0));
+ if (!sys) {
+ dev_dbg(&s->dev, "could not map memory\n");
+ memset(ptr, 0xff, len);
+ mutex_unlock(&s->ops_mutex);
+ return -1;
+ }
+
+ writeb(flags, sys+CISREG_ICTRL0);
+ writeb(addr & 0xff, sys+CISREG_IADDR0);
+ writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
+ writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
+ writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
+ for ( ; len > 0; len--, buf++)
+ *buf = readb(sys+CISREG_IDATA0);
+ } else {
+ u_int inc = 1, card_offset, flags;
+
+ if (addr > CISTPL_MAX_CIS_SIZE)
+ dev_dbg(&s->dev,
+ "attempt to read CIS mem at addr %#x", addr);
+
+ flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
+ if (attr) {
+ flags |= MAP_ATTRIB;
+ inc++;
+ addr *= 2;
+ }
+
+ card_offset = addr & ~(s->map_size-1);
+ while (len) {
+ sys = set_cis_map(s, card_offset, flags);
+ if (!sys) {
+ dev_dbg(&s->dev, "could not map memory\n");
+ memset(ptr, 0xff, len);
+ mutex_unlock(&s->ops_mutex);
+ return -1;
+ }
+ end = sys + s->map_size;
+ sys = sys + (addr & (s->map_size-1));
+ for ( ; len > 0; len--, buf++, sys += inc) {
+ if (sys == end)
+ break;
+ *buf = readb(sys);
+ }
+ card_offset += s->map_size;
+ addr = 0;
+ }
}
- }
- mutex_unlock(&s->ops_mutex);
- dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
- *(u_char *)(ptr+0), *(u_char *)(ptr+1),
- *(u_char *)(ptr+2), *(u_char *)(ptr+3));
- return 0;
+ mutex_unlock(&s->ops_mutex);
+ dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
+ *(u_char *)(ptr+0), *(u_char *)(ptr+1),
+ *(u_char *)(ptr+2), *(u_char *)(ptr+3));
+ return 0;
}
+/**
+ * pcmcia_write_cis_mem() - low-level function to write CIS memory
+ *
+ * Probably only useful for writing one-byte registers.
+ */
void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
u_int len, void *ptr)
{
- void __iomem *sys, *end;
- unsigned char *buf = ptr;
-
- dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
-
- mutex_lock(&s->ops_mutex);
- if (attr & IS_INDIRECT) {
- /* Indirect accesses use a bunch of special registers at fixed
- locations in common memory */
- u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
- if (attr & IS_ATTR) {
- addr *= 2;
- flags = ICTRL0_AUTOINC;
- }
+ void __iomem *sys, *end;
+ unsigned char *buf = ptr;
- sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0));
- if (!sys) {
- dev_dbg(&s->dev, "could not map memory\n");
- mutex_unlock(&s->ops_mutex);
- return; /* FIXME: Error */
- }
+ dev_dbg(&s->dev,
+ "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
- writeb(flags, sys+CISREG_ICTRL0);
- writeb(addr & 0xff, sys+CISREG_IADDR0);
- writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
- writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
- writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
- for ( ; len > 0; len--, buf++)
- writeb(*buf, sys+CISREG_IDATA0);
- } else {
- u_int inc = 1, card_offset, flags;
-
- flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
- if (attr & IS_ATTR) {
- flags |= MAP_ATTRIB;
- inc++;
- addr *= 2;
- }
+ mutex_lock(&s->ops_mutex);
+ if (attr & IS_INDIRECT) {
+ /* Indirect accesses use a bunch of special registers at fixed
+ locations in common memory */
+ u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
+ if (attr & IS_ATTR) {
+ addr *= 2;
+ flags = ICTRL0_AUTOINC;
+ }
- card_offset = addr & ~(s->map_size-1);
- while (len) {
- sys = set_cis_map(s, card_offset, flags);
- if (!sys) {
- dev_dbg(&s->dev, "could not map memory\n");
- mutex_unlock(&s->ops_mutex);
- return; /* FIXME: error */
- }
-
- end = sys + s->map_size;
- sys = sys + (addr & (s->map_size-1));
- for ( ; len > 0; len--, buf++, sys += inc) {
- if (sys == end)
- break;
- writeb(*buf, sys);
- }
- card_offset += s->map_size;
- addr = 0;
- }
- }
- mutex_unlock(&s->ops_mutex);
-}
+ sys = set_cis_map(s, 0, MAP_ACTIVE |
+ ((cis_width) ? MAP_16BIT : 0));
+ if (!sys) {
+ dev_dbg(&s->dev, "could not map memory\n");
+ mutex_unlock(&s->ops_mutex);
+ return; /* FIXME: Error */
+ }
+
+ writeb(flags, sys+CISREG_ICTRL0);
+ writeb(addr & 0xff, sys+CISREG_IADDR0);
+ writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
+ writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
+ writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
+ for ( ; len > 0; len--, buf++)
+ writeb(*buf, sys+CISREG_IDATA0);
+ } else {
+ u_int inc = 1, card_offset, flags;
+ flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
+ if (attr & IS_ATTR) {
+ flags |= MAP_ATTRIB;
+ inc++;
+ addr *= 2;
+ }
-/*======================================================================
+ card_offset = addr & ~(s->map_size-1);
+ while (len) {
+ sys = set_cis_map(s, card_offset, flags);
+ if (!sys) {
+ dev_dbg(&s->dev, "could not map memory\n");
+ mutex_unlock(&s->ops_mutex);
+ return; /* FIXME: error */
+ }
- This is a wrapper around read_cis_mem, with the same interface,
- but which caches information, for cards whose CIS may not be
- readable all the time.
+ end = sys + s->map_size;
+ sys = sys + (addr & (s->map_size-1));
+ for ( ; len > 0; len--, buf++, sys += inc) {
+ if (sys == end)
+ break;
+ writeb(*buf, sys);
+ }
+ card_offset += s->map_size;
+ addr = 0;
+ }
+ }
+ mutex_unlock(&s->ops_mutex);
+}
-======================================================================*/
+/**
+ * read_cis_cache() - read CIS memory or its associated cache
+ *
+ * This is a wrapper around read_cis_mem, with the same interface,
+ * but which caches information, for cards whose CIS may not be
+ * readable all the time.
+ */
static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr,
size_t len, void *ptr)
{
@@ -353,7 +356,6 @@ remove_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, u_int len)
* This destroys the CIS cache but keeps any fake CIS alive. Must be
* called with ops_mutex held.
*/
-
void destroy_cis_cache(struct pcmcia_socket *s)
{
struct list_head *l, *n;
@@ -366,13 +368,9 @@ void destroy_cis_cache(struct pcmcia_socket *s)
}
}
-/*======================================================================
-
- This verifies if the CIS of a card matches what is in the CIS
- cache.
-
-======================================================================*/
-
+/**
+ * verify_cis_cache() - does the CIS match what is in the CIS cache?
+ */
int verify_cis_cache(struct pcmcia_socket *s)
{
struct cis_cache_entry *cis;
@@ -404,13 +402,12 @@ int verify_cis_cache(struct pcmcia_socket *s)
return 0;
}
-/*======================================================================
-
- For really bad cards, we provide a facility for uploading a
- replacement CIS.
-
-======================================================================*/
-
+/**
+ * pcmcia_replace_cis() - use a replacement CIS instead of the card's CIS
+ *
+ * For really bad cards, we provide a facility for uploading a
+ * replacement CIS.
+ */
int pcmcia_replace_cis(struct pcmcia_socket *s,
const u8 *data, const size_t len)
{
@@ -433,17 +430,13 @@ int pcmcia_replace_cis(struct pcmcia_socket *s,
return 0;
}
-/*======================================================================
-
- The high-level CIS tuple services
-
-======================================================================*/
+/* The high-level CIS tuple services */
typedef struct tuple_flags {
- u_int link_space:4;
- u_int has_link:1;
- u_int mfc_fn:3;
- u_int space:4;
+ u_int link_space:4;
+ u_int has_link:1;
+ u_int mfc_fn:3;
+ u_int space:4;
} tuple_flags;
#define LINK_SPACE(f) (((tuple_flags *)(&(f)))->link_space)
@@ -451,982 +444,961 @@ typedef struct tuple_flags {
#define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn)
#define SPACE(f) (((tuple_flags *)(&(f)))->space)
-int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
+int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
+ tuple_t *tuple)
{
- if (!s)
- return -EINVAL;
-
- if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
- return -ENODEV;
- tuple->TupleLink = tuple->Flags = 0;
-
- /* 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) {
- tuple->DesiredTuple = CISTPL_LINKTARGET;
- if (pccard_get_next_tuple(s, function, tuple) != 0)
- return -ENOSPC;
- } else
- tuple->CISOffset = tuple->TupleLink = 0;
- tuple->DesiredTuple = req;
- }
- return pccard_get_next_tuple(s, function, tuple);
+ if (!s)
+ return -EINVAL;
+
+ if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
+ return -ENODEV;
+ tuple->TupleLink = tuple->Flags = 0;
+
+ /* 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) {
+ tuple->DesiredTuple = CISTPL_LINKTARGET;
+ if (pccard_get_next_tuple(s, function, tuple) != 0)
+ return -ENOSPC;
+ } else
+ tuple->CISOffset = tuple->TupleLink = 0;
+ tuple->DesiredTuple = req;
+ }
+ return pccard_get_next_tuple(s, function, tuple);
}
static int follow_link(struct pcmcia_socket *s, tuple_t *tuple)
{
- u_char link[5];
- u_int ofs;
- int ret;
-
- if (MFC_FN(tuple->Flags)) {
- /* Get indirect link from the MFC tuple */
- ret = read_cis_cache(s, LINK_SPACE(tuple->Flags),
- tuple->LinkOffset, 5, link);
- if (ret)
+ u_char link[5];
+ u_int ofs;
+ int ret;
+
+ if (MFC_FN(tuple->Flags)) {
+ /* Get indirect link from the MFC tuple */
+ ret = read_cis_cache(s, LINK_SPACE(tuple->Flags),
+ tuple->LinkOffset, 5, link);
+ if (ret)
+ return -1;
+ ofs = get_unaligned_le32(link + 1);
+ SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
+ /* Move to the next indirect link */
+ tuple->LinkOffset += 5;
+ MFC_FN(tuple->Flags)--;
+ } else if (HAS_LINK(tuple->Flags)) {
+ ofs = tuple->LinkOffset;
+ SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags);
+ HAS_LINK(tuple->Flags) = 0;
+ } else
return -1;
- ofs = get_unaligned_le32(link + 1);
- SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
- /* Move to the next indirect link */
- tuple->LinkOffset += 5;
- MFC_FN(tuple->Flags)--;
- } else if (HAS_LINK(tuple->Flags)) {
- ofs = tuple->LinkOffset;
- SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags);
- HAS_LINK(tuple->Flags) = 0;
- } else {
- return -1;
- }
- 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... */
+
+ 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... */
+ ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
+ if (ret)
+ return -1;
+ if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
+ (strncmp(link+2, "CIS", 3) == 0))
+ return ofs;
+ remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
+ /* Then, we try the wrong spot... */
+ ofs = ofs >> 1;
+ }
ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
if (ret)
return -1;
if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
- (strncmp(link+2, "CIS", 3) == 0))
- return ofs;
+ (strncmp(link+2, "CIS", 3) == 0))
+ return ofs;
remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
- /* Then, we try the wrong spot... */
- ofs = ofs >> 1;
- }
- ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
- if (ret)
- return -1;
- if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
- (strncmp(link+2, "CIS", 3) == 0))
- return ofs;
- remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
- return -1;
+ return -1;
}
-int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
+int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
+ tuple_t *tuple)
{
- u_char link[2], tmp;
- int ofs, i, attr;
- int ret;
-
- if (!s)
- return -EINVAL;
- if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
- return -ENODEV;
-
- link[1] = tuple->TupleLink;
- ofs = tuple->CISOffset + tuple->TupleLink;
- attr = SPACE(tuple->Flags);
-
- for (i = 0; i < MAX_TUPLES; i++) {
- if (link[1] == 0xff) {
- link[0] = CISTPL_END;
- } else {
- ret = read_cis_cache(s, attr, ofs, 2, link);
- if (ret)
- return -1;
- if (link[0] == CISTPL_NULL) {
- ofs++; continue;
- }
- }
+ u_char link[2], tmp;
+ int ofs, i, attr;
+ int ret;
- /* End of chain? Follow long link if possible */
- if (link[0] == CISTPL_END) {
- ofs = follow_link(s, tuple);
- if (ofs < 0)
- return -ENOSPC;
- attr = SPACE(tuple->Flags);
- ret = read_cis_cache(s, attr, ofs, 2, link);
- if (ret)
- return -1;
- }
+ if (!s)
+ return -EINVAL;
+ if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
+ return -ENODEV;
- /* Is this a link tuple? Make a note of it */
- if ((link[0] == CISTPL_LONGLINK_A) ||
- (link[0] == CISTPL_LONGLINK_C) ||
- (link[0] == CISTPL_LONGLINK_MFC) ||
- (link[0] == CISTPL_LINKTARGET) ||
- (link[0] == CISTPL_INDIRECT) ||
- (link[0] == CISTPL_NO_LINK)) {
- switch (link[0]) {
- case CISTPL_LONGLINK_A:
- HAS_LINK(tuple->Flags) = 1;
- LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
- ret = read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
- if (ret)
- return -1;
- break;
- case CISTPL_LONGLINK_C:
- HAS_LINK(tuple->Flags) = 1;
- LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
- ret = read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
- if (ret)
- return -1;
- break;
- case CISTPL_INDIRECT:
- HAS_LINK(tuple->Flags) = 1;
- LINK_SPACE(tuple->Flags) = IS_ATTR | IS_INDIRECT;
- tuple->LinkOffset = 0;
- break;
- case CISTPL_LONGLINK_MFC:
- tuple->LinkOffset = ofs + 3;
- LINK_SPACE(tuple->Flags) = attr;
- if (function == BIND_FN_ALL) {
- /* Follow all the MFC links */
- ret = read_cis_cache(s, attr, ofs+2, 1, &tmp);
- if (ret)
- return -1;
- MFC_FN(tuple->Flags) = tmp;
- } else {
- /* Follow exactly one of the links */
- MFC_FN(tuple->Flags) = 1;
- tuple->LinkOffset += function * 5;
+ link[1] = tuple->TupleLink;
+ ofs = tuple->CISOffset + tuple->TupleLink;
+ attr = SPACE(tuple->Flags);
+
+ for (i = 0; i < MAX_TUPLES; i++) {
+ if (link[1] == 0xff)
+ link[0] = CISTPL_END;
+ else {
+ ret = read_cis_cache(s, attr, ofs, 2, link);
+ if (ret)
+ return -1;
+ if (link[0] == CISTPL_NULL) {
+ ofs++;
+ continue;
+ }
}
- break;
- case CISTPL_NO_LINK:
- HAS_LINK(tuple->Flags) = 0;
- break;
- }
- if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
- (tuple->DesiredTuple == RETURN_FIRST_TUPLE))
- break;
- } else
- if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
- break;
- if (link[0] == tuple->DesiredTuple)
- break;
- ofs += link[1] + 2;
- }
- if (i == MAX_TUPLES) {
- dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
- return -ENOSPC;
- }
-
- tuple->TupleCode = link[0];
- tuple->TupleLink = link[1];
- tuple->CISOffset = ofs + 2;
- return 0;
-}
+ /* End of chain? Follow long link if possible */
+ if (link[0] == CISTPL_END) {
+ ofs = follow_link(s, tuple);
+ if (ofs < 0)
+ return -ENOSPC;
+ attr = SPACE(tuple->Flags);
+ ret = read_cis_cache(s, attr, ofs, 2, link);
+ if (ret)
+ return -1;
+ }
-/*====================================================================*/
+ /* Is this a link tuple? Make a note of it */
+ if ((link[0] == CISTPL_LONGLINK_A) ||
+ (link[0] == CISTPL_LONGLINK_C) ||
+ (link[0] == CISTPL_LONGLINK_MFC) ||
+ (link[0] == CISTPL_LINKTARGET) ||
+ (link[0] == CISTPL_INDIRECT) ||
+ (link[0] == CISTPL_NO_LINK)) {
+ switch (link[0]) {
+ case CISTPL_LONGLINK_A:
+ HAS_LINK(tuple->Flags) = 1;
+ LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
+ ret = read_cis_cache(s, attr, ofs+2, 4,
+ &tuple->LinkOffset);
+ if (ret)
+ return -1;
+ break;
+ case CISTPL_LONGLINK_C:
+ HAS_LINK(tuple->Flags) = 1;
+ LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
+ ret = read_cis_cache(s, attr, ofs+2, 4,
+ &tuple->LinkOffset);
+ if (ret)
+ return -1;
+ break;
+ case CISTPL_INDIRECT:
+ HAS_LINK(tuple->Flags) = 1;
+ LINK_SPACE(tuple->Flags) = IS_ATTR |
+ IS_INDIRECT;
+ tuple->LinkOffset = 0;
+ break;
+ case CISTPL_LONGLINK_MFC:
+ tuple->LinkOffset = ofs + 3;
+ LINK_SPACE(tuple->Flags) = attr;
+ if (function == BIND_FN_ALL) {
+ /* Follow all the MFC links */
+ ret = read_cis_cache(s, attr, ofs+2,
+ 1, &tmp);
+ if (ret)
+ return -1;
+ MFC_FN(tuple->Flags) = tmp;
+ } else {
+ /* Follow exactly one of the links */
+ MFC_FN(tuple->Flags) = 1;
+ tuple->LinkOffset += function * 5;
+ }
+ break;
+ case CISTPL_NO_LINK:
+ HAS_LINK(tuple->Flags) = 0;
+ break;
+ }
+ if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
+ (tuple->DesiredTuple == RETURN_FIRST_TUPLE))
+ break;
+ } else
+ if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
+ break;
+
+ if (link[0] == tuple->DesiredTuple)
+ break;
+ ofs += link[1] + 2;
+ }
+ if (i == MAX_TUPLES) {
+ dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
+ return -ENOSPC;
+ }
-#define _MIN(a, b) (((a) < (b)) ? (a) : (b))
+ tuple->TupleCode = link[0];
+ tuple->TupleLink = link[1];
+ tuple->CISOffset = ofs + 2;
+ return 0;
+}
int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
{
- u_int len;
- int ret;
+ u_int len;
+ int ret;
- if (!s)
- return -EINVAL;
+ if (!s)
+ return -EINVAL;
- if (tuple->TupleLink < tuple->TupleOffset)
- return -ENOSPC;
- len = tuple->TupleLink - tuple->TupleOffset;
- tuple->TupleDataLen = tuple->TupleLink;
- if (len == 0)
+ if (tuple->TupleLink < tuple->TupleOffset)
+ return -ENOSPC;
+ len = tuple->TupleLink - tuple->TupleOffset;
+ tuple->TupleDataLen = tuple->TupleLink;
+ if (len == 0)
+ return 0;
+ ret = read_cis_cache(s, SPACE(tuple->Flags),
+ tuple->CISOffset + tuple->TupleOffset,
+ min(len, (u_int) tuple->TupleDataMax),
+ tuple->TupleData);
+ if (ret)
+ return -1;
return 0;
- ret = read_cis_cache(s, SPACE(tuple->Flags),
- tuple->CISOffset + tuple->TupleOffset,
- _MIN(len, tuple->TupleDataMax), tuple->TupleData);
- if (ret)
- return -1;
- return 0;
}
-/*======================================================================
-
- Parsing routines for individual tuples
-
-======================================================================*/
+/* Parsing routines for individual tuples */
static int parse_device(tuple_t *tuple, cistpl_device_t *device)
{
- int i;
- u_char scale;
- u_char *p, *q;
+ int i;
+ u_char scale;
+ u_char *p, *q;
- p = (u_char *)tuple->TupleData;
- q = p + tuple->TupleDataLen;
+ p = (u_char *)tuple->TupleData;
+ q = p + tuple->TupleDataLen;
- device->ndev = 0;
- for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
+ device->ndev = 0;
+ for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
- if (*p == 0xff)
- break;
- device->dev[i].type = (*p >> 4);
- device->dev[i].wp = (*p & 0x08) ? 1 : 0;
- switch (*p & 0x07) {
- case 0:
- device->dev[i].speed = 0;
- break;
- case 1:
- device->dev[i].speed = 250;
- break;
- case 2:
- device->dev[i].speed = 200;
- break;
- case 3:
- device->dev[i].speed = 150;
- break;
- case 4:
- device->dev[i].speed = 100;
- break;
- case 7:
- if (++p == q)
- return -EINVAL;
- device->dev[i].speed = SPEED_CVT(*p);
- while (*p & 0x80)
+ if (*p == 0xff)
+ break;
+ device->dev[i].type = (*p >> 4);
+ device->dev[i].wp = (*p & 0x08) ? 1 : 0;
+ switch (*p & 0x07) {
+ case 0:
+ device->dev[i].speed = 0;
+ break;
+ case 1:
+ device->dev[i].speed = 250;
+ break;
+ case 2:
+ device->dev[i].speed = 200;
+ break;
+ case 3:
+ device->dev[i].speed = 150;
+ break;
+ case 4:
+ device->dev[i].speed = 100;
+ break;
+ case 7:
if (++p == q)
return -EINVAL;
- break;
- default:
- return -EINVAL;
- }
+ device->dev[i].speed = SPEED_CVT(*p);
+ while (*p & 0x80)
+ if (++p == q)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
- if (++p == q)
- return -EINVAL;
- if (*p == 0xff)
- break;
- scale = *p & 7;
- if (scale == 7)
- return -EINVAL;
- device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
- device->ndev++;
- if (++p == q)
- break;
- }
+ if (++p == q)
+ return -EINVAL;
+ if (*p == 0xff)
+ break;
+ scale = *p & 7;
+ if (scale == 7)
+ return -EINVAL;
+ device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
+ device->ndev++;
+ if (++p == q)
+ break;
+ }
- return 0;
+ return 0;
}
-/*====================================================================*/
static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
{
- u_char *p;
- if (tuple->TupleDataLen < 5)
- return -EINVAL;
- p = (u_char *) tuple->TupleData;
- csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
- csum->len = get_unaligned_le16(p + 2);
- csum->sum = *(p + 4);
- return 0;
+ u_char *p;
+ if (tuple->TupleDataLen < 5)
+ return -EINVAL;
+ p = (u_char *) tuple->TupleData;
+ csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
+ csum->len = get_unaligned_le16(p + 2);
+ csum->sum = *(p + 4);
+ return 0;
}
-/*====================================================================*/
static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link)
{
- if (tuple->TupleDataLen < 4)
- return -EINVAL;
- link->addr = get_unaligned_le32(tuple->TupleData);
- return 0;
+ if (tuple->TupleDataLen < 4)
+ return -EINVAL;
+ link->addr = get_unaligned_le32(tuple->TupleData);
+ return 0;
}
-/*====================================================================*/
-static int parse_longlink_mfc(tuple_t *tuple,
- cistpl_longlink_mfc_t *link)
+static int parse_longlink_mfc(tuple_t *tuple, cistpl_longlink_mfc_t *link)
{
- u_char *p;
- int i;
-
- p = (u_char *)tuple->TupleData;
-
- link->nfn = *p; p++;
- if (tuple->TupleDataLen <= link->nfn*5)
- return -EINVAL;
- for (i = 0; i < link->nfn; i++) {
- link->fn[i].space = *p; p++;
- link->fn[i].addr = get_unaligned_le32(p);
- p += 4;
- }
- return 0;
+ u_char *p;
+ int i;
+
+ p = (u_char *)tuple->TupleData;
+
+ link->nfn = *p; p++;
+ if (tuple->TupleDataLen <= link->nfn*5)
+ return -EINVAL;
+ for (i = 0; i < link->nfn; i++) {
+ link->fn[i].space = *p; p++;
+ link->fn[i].addr = get_unaligned_le32(p);
+ p += 4;
+ }
+ return 0;
}
-/*====================================================================*/
static int parse_strings(u_char *p, u_char *q, int max,
char *s, u_char *ofs, u_char *found)
{
- int i, j, ns;
+ int i, j, ns;
- if (p == q)
- return -EINVAL;
- ns = 0; j = 0;
- for (i = 0; i < max; i++) {
- if (*p == 0xff)
- break;
- ofs[i] = j;
- ns++;
- for (;;) {
- s[j++] = (*p == 0xff) ? '\0' : *p;
- if ((*p == '\0') || (*p == 0xff))
- break;
- if (++p == q)
- return -EINVAL;
+ if (p == q)
+ return -EINVAL;
+ ns = 0; j = 0;
+ for (i = 0; i < max; i++) {
+ if (*p == 0xff)
+ break;
+ ofs[i] = j;
+ ns++;
+ for (;;) {
+ s[j++] = (*p == 0xff) ? '\0' : *p;
+ if ((*p == '\0') || (*p == 0xff))
+ break;
+ if (++p == q)
+ return -EINVAL;
+ }
+ if ((*p == 0xff) || (++p == q))
+ break;
}
- if ((*p == 0xff) || (++p == q))
- break;
- }
- if (found) {
- *found = ns;
- return 0;
- } else {
+ if (found) {
+ *found = ns;
+ return 0;
+ }
+
return (ns == max) ? 0 : -EINVAL;
- }
}
-/*====================================================================*/
static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
{
- u_char *p, *q;
+ u_char *p, *q;
- p = (u_char *)tuple->TupleData;
- q = p + tuple->TupleDataLen;
+ p = (u_char *)tuple->TupleData;
+ q = p + tuple->TupleDataLen;
- vers_1->major = *p; p++;
- vers_1->minor = *p; p++;
- if (p >= q)
- return -EINVAL;
+ vers_1->major = *p; p++;
+ vers_1->minor = *p; p++;
+ if (p >= q)
+ return -EINVAL;
- return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
- vers_1->str, vers_1->ofs, &vers_1->ns);
+ return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
+ vers_1->str, vers_1->ofs, &vers_1->ns);
}
-/*====================================================================*/
static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr)
{
- u_char *p, *q;
+ u_char *p, *q;
- p = (u_char *)tuple->TupleData;
- q = p + tuple->TupleDataLen;
+ p = (u_char *)tuple->TupleData;
+ q = p + tuple->TupleDataLen;
- return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
- altstr->str, altstr->ofs, &altstr->ns);
+ return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
+ altstr->str, altstr->ofs, &altstr->ns);
}
-/*====================================================================*/
static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec)