#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/ioport.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
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 */
{
void __iomem *sys, *end;
unsigned char *buf = ptr;
-
- cs_dbg(s, 3, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
+
+ dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
if (attr & IS_INDIRECT) {
/* Indirect accesses use a bunch of special registers at fixed
addr = 0;
}
}
- cs_dbg(s, 3, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
+ 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;
{
void __iomem *sys, *end;
unsigned char *buf = ptr;
-
- cs_dbg(s, 3, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
+
+ dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
if (attr & IS_INDIRECT) {
/* Indirect accesses use a bunch of special registers at fixed
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 void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr,
This verifies if the CIS of a card matches what is in the CIS
cache.
-
+
======================================================================*/
int verify_cis_cache(struct pcmcia_socket *s)
For really bad cards, we provide a facility for uploading a
replacement CIS.
-
+
======================================================================*/
int pcmcia_replace_cis(struct pcmcia_socket *s,
/*======================================================================
The high-level CIS tuple services
-
+
======================================================================*/
typedef struct tuple_flags {
#define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn)
#define SPACE(f) (((tuple_flags *)(&(f)))->space)
-int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int func, tuple_t *tuple);
-
int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
{
if (!s)
ofs++; continue;
}
}
-
+
/* End of chain? Follow long link if possible */
if (link[0] == CISTPL_END) {
- if ((ofs = follow_link(s, tuple)) < 0)
+ ofs = follow_link(s, tuple);
+ if (ofs < 0)
return -ENOSPC;
attr = SPACE(tuple->Flags);
read_cis_cache(s, attr, ofs, 2, link);
} else
if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
break;
-
+
if (link[0] == tuple->DesiredTuple)
break;
ofs += link[1] + 2;
}
if (i == MAX_TUPLES) {
- cs_dbg(s, 1, "cs: overrun in pcmcia_get_next_tuple\n");
+ 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;
/*======================================================================
Parsing routines for individual tuples
-
+
======================================================================*/
static int parse_device(tuple_t *tuple, cistpl_device_t *device)
device->ndev = 0;
for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
-
- if (*p == 0xff) break;
+
+ 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 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 == q)
return -EINVAL;
- break;
+ device->dev[i].speed = SPEED_CVT(*p);
+ while (*p & 0x80)
+ if (++p == q)
+ return -EINVAL;
+ break;
default:
- return -EINVAL;
+ return -EINVAL;
}
if (++p == q)
if (++p == q)
break;
}
-
+
return 0;
}
{
u_char *p;
int i;
-
+
p = (u_char *)tuple->TupleData;
-
+
link->nfn = *p; p++;
if (tuple->TupleDataLen <= link->nfn*5)
return -EINVAL;
ns++;
for (;;) {
s[j++] = (*p == 0xff) ? '\0' : *p;
- if ((*p == '\0') || (*p == 0xff)) break;
+ 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;
static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
{
u_char *p, *q;
-
+
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
-
+
vers_1->major = *p; p++;
vers_1->minor = *p; p++;
if (p >= q)
static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr)
{
u_char *p, *q;
-
+
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
-
+
return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
altstr->str, altstr->ofs, &altstr->ns);
}
q = p + tuple->TupleDataLen;
for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) {
- if (p > q-2) break;
+ if (p > q-2)
+ break;
jedec->id[nid].mfr = p[0];
jedec->id[nid].info = p[1];
p += 2;
The following routines are all used to parse the nightmarish
config table entries.
-
+
======================================================================*/
static u_char *parse_power(u_char *p, u_char *q,
int i;
u_int scale;
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
pwr->present = *p;
pwr->flags = 0;
p++;
for (i = 0; i < 7; i++)
if (pwr->present & (1<<i)) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
pwr->param[i] = POWER_CVT(*p);
scale = POWER_SCALE(*p);
while (*p & 0x80) {
- if (++p == q) return NULL;
+ if (++p == q)
+ return NULL;
if ((*p & 0x7f) < 100)
pwr->param[i] += (*p & 0x7f) * scale / 100;
else if (*p == 0x7d)
{
u_char scale;
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
scale = *p;
if ((scale & 3) != 3) {
- if (++p == q) return NULL;
+ if (++p == q)
+ return NULL;
timing->wait = SPEED_CVT(*p);
timing->waitscale = exponent[scale & 3];
} else
timing->wait = 0;
scale >>= 2;
if ((scale & 7) != 7) {
- if (++p == q) return NULL;
+ if (++p == q)
+ return NULL;
timing->ready = SPEED_CVT(*p);
timing->rdyscale = exponent[scale & 7];
} else
timing->ready = 0;
scale >>= 3;
if (scale != 7) {
- if (++p == q) return NULL;
+ if (++p == q)
+ return NULL;
timing->reserved = SPEED_CVT(*p);
timing->rsvscale = exponent[scale];
} else
{
int i, j, bsz, lsz;
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
io->flags = *p;
if (!(*p & 0x80)) {
io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
return p+1;
}
-
- if (++p == q) return NULL;
+
+ if (++p == q)
+ return NULL;
io->nwin = (*p & 0x0f) + 1;
bsz = (*p & 0x30) >> 4;
- if (bsz == 3) bsz++;
+ if (bsz == 3)
+ bsz++;
lsz = (*p & 0xc0) >> 6;
- if (lsz == 3) lsz++;
+ if (lsz == 3)
+ lsz++;
p++;
-
+
for (i = 0; i < io->nwin; i++) {
io->win[i].base = 0;
io->win[i].len = 1;
for (j = 0; j < bsz; j++, p++) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
io->win[i].base += *p << (j*8);
}
for (j = 0; j < lsz; j++, p++) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
io->win[i].len += *p << (j*8);
}
}
int i, j, asz, lsz, has_ha;
u_int len, ca, ha;
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
mem->nwin = (*p & 0x07) + 1;
lsz = (*p & 0x18) >> 3;
asz = (*p & 0x60) >> 5;
has_ha = (*p & 0x80);
- if (++p == q) return NULL;
-
+ if (++p == q)
+ return NULL;
+
for (i = 0; i < mem->nwin; i++) {
len = ca = ha = 0;
for (j = 0; j < lsz; j++, p++) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
len += *p << (j*8);
}
for (j = 0; j < asz; j++, p++) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
ca += *p << (j*8);
}
if (has_ha)
for (j = 0; j < asz; j++, p++) {
- if (p == q) return NULL;
+ if (p == q)
+ return NULL;
ha += *p << (j*8);
}
mem->win[i].len = len << 8;
entry->timing.ready = 0;
entry->timing.reserved = 0;
}
-
+
/* I/O window options */
if (features & 0x08) {
p = parse_io(p, q, &entry->io);
return -EINVAL;
} else
entry->io.nwin = 0;
-
+
/* Interrupt options */
if (features & 0x10) {
p = parse_irq(p, q, &entry->irq);
}
entry->subtuples = q-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;
entry->io = *p; p++;
} else
entry->io = 0;
-
+
/* Interrupt options */
if (features & 0x10) {
p = parse_irq(p, q, &entry->irq);
}
entry->subtuples = q-p;
-
+
return 0;
}
q = p + tuple->TupleDataLen;
for (n = 0; n < CISTPL_MAX_DEVICES; n++) {
- if (p > q-6) break;
+ if (p > q-6)
+ break;
geo->geo[n].buswidth = p[0];
geo->geo[n].erase_block = 1 << (p[1]-1);
geo->geo[n].read_block = 1 << (p[2]-1);
if (tuple->TupleDataLen < 10)
return -EINVAL;
-
+
p = tuple->TupleData;
q = p + tuple->TupleDataLen;
v2->vers = p[0];
v2->comply = p[1];
- v2->dindex = get_unaligned_le16(p +2 );
+ v2->dindex = get_unaligned_le16(p + 2);
v2->vspec8 = p[6];
v2->vspec9 = p[7];
v2->nhdr = p[8];
{
u_char *p, *q;
int i;
-
+
p = tuple->TupleData;
q = p + tuple->TupleDataLen;
if (p == q)
return -EINVAL;
for (i = 0; i < 30; i++) {
org->desc[i] = *p;
- if (*p == '\0') break;
+ if (*p == '\0')
+ break;
if (++p == q)
return -EINVAL;
}
int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse)
{
int ret = 0;
-
+
if (tuple->TupleDataLen > tuple->TupleDataMax)
return -EINVAL;
switch (tuple->TupleCode) {
break;
}
if (ret)
- __cs_dbg(0, "parse_tuple failed %d\n", ret);
+ pr_debug("parse_tuple failed %d\n", ret);
return ret;
}
EXPORT_SYMBOL(pcmcia_parse_tuple);
/*======================================================================
This is used internally by Card Services to look up CIS stuff.
-
+
======================================================================*/
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse)
}
EXPORT_SYMBOL(pccard_read_tuple);
+
+/**
+ * pccard_loop_tuple() - loop over tuples in the CIS
+ * @s: the struct pcmcia_socket where the card is inserted
+ * @function: the device function we loop for
+ * @code: which CIS code shall we look for?
+ * @parse: buffer where the tuple shall be parsed (or NULL, if no parse)
+ * @priv_data: private data to be passed to the loop_tuple function.
+ * @loop_tuple: function to call for each CIS entry of type @function. IT
+ * gets passed the raw tuple, the paresed tuple (if @parse is
+ * set) and @priv_data.
+ *
+ * pccard_loop_tuple() loops over all CIS entries of type @function, and
+ * calls the @loop_tuple function for each entry. If the call to @loop_tuple
+ * returns 0, the loop exits. Returns 0 on success or errorcode otherwise.
+ */
+int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
+ cisdata_t code, cisparse_t *parse, void *priv_data,
+ int (*loop_tuple) (tuple_t *tuple,
+ cisparse_t *parse,
+ void *priv_data))
+{
+ tuple_t tuple;
+ cisdata_t *buf;
+ int ret;
+
+ buf = kzalloc(256, GFP_KERNEL);
+ if (buf == NULL) {
+ dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
+ return -ENOMEM;
+ }
+
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = 255;
+ tuple.TupleOffset = 0;
+ tuple.DesiredTuple = code;
+ tuple.Attributes = 0;
+
+ ret = pccard_get_first_tuple(s, function, &tuple);
+ while (!ret) {
+ if (pccard_get_tuple_data(s, &tuple))
+ goto next_entry;
+
+ if (parse)
+ if (pcmcia_parse_tuple(&tuple, parse))
+ goto next_entry;
+
+ ret = loop_tuple(&tuple, parse, priv_data);
+ if (!ret)
+ break;
+
+next_entry:
+ ret = pccard_get_next_tuple(s, function, &tuple);
+ }
+
+ kfree(buf);
+ return ret;
+}
+EXPORT_SYMBOL(pccard_loop_tuple);
+
+
/*======================================================================
This tries to determine if a card has a sensible CIS. It returns
checks include making sure several critical tuples are present and
valid; seeing if the total number of tuples is reasonable; and
looking for tuples that use reserved codes.
-
+
======================================================================*/
int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info)
projects / linux-flexiantxendom0-3.2.10.git / blobdiff