#include <IOKit/pccard/config.h>
#define __NO_VERSION__
#include <IOKit/pccard/k_compat.h>
#ifdef __LINUX__
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/timer.h>
#include <linux/malloc.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <asm/io.h>
#endif
#define IN_CARD_SERVICES
#include <IOKit/pccard/cs_types.h>
#include <IOKit/pccard/bus_ops.h>
#include <IOKit/pccard/ss.h>
#include <IOKit/pccard/cs.h>
#include <IOKit/pccard/bulkmem.h>
#include <IOKit/pccard/cisreg.h>
#include <IOKit/pccard/cistpl.h>
#include "cs_internal.h"
#include "rsrc_mgr.h"
static const u_char mantissa[] = {
10, 12, 13, 15, 20, 25, 30, 35,
40, 45, 50, 55, 60, 70, 80, 90
};
static const u_int exponent[] = {
1, 10, 100, 1000, 10000, 100000, 1000000, 10000000
};
#define SPEED_CVT(v) \
(mantissa[(((v)>>3)&15)-1] * exponent[(v)&7] / 10)
#define POWER_CVT(v) \
(mantissa[((v)>>3)&15] * exponent[(v)&7] / 10)
#define POWER_SCALE(v) (exponent[(v)&7])
#define MAX_TUPLES 200
#define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i")
INT_MODULE_PARM(cis_width, 0);
#define IS_ATTR 1
#define IS_INDIRECT 8
static int setup_cis_mem(socket_info_t *s);
static void set_cis_map(socket_info_t *s, pccard_mem_map *mem)
{
s->ss_entry(s->sock, SS_SetMemMap, mem);
if (s->cap.features & SS_CAP_STATIC_MAP) {
if (s->cis_virt)
bus_iounmap(s->cap.bus, s->cis_virt);
s->cis_virt = bus_ioremap(s->cap.bus, mem->sys_start,
s->cap.map_size);
}
}
void read_cis_mem(socket_info_t *s, int attr, u_int addr,
u_int len, void *ptr)
{
pccard_mem_map *mem = &s->cis_mem;
u_char *sys, *buf = ptr;
DEBUG(3, "cs: read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
if (setup_cis_mem(s) != 0) {
memset(ptr, 0xff, len);
return;
}
mem->flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
if (attr & IS_INDIRECT) {
u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
if (attr & IS_ATTR) { addr *= 2; flags = ICTRL0_AUTOINC; }
mem->card_start = 0; mem->flags = MAP_ACTIVE;
set_cis_map(s, mem);
sys = s->cis_virt;
bus_writeb(s->cap.bus, flags, sys+CISREG_ICTRL0);
bus_writeb(s->cap.bus, addr & 0xff, sys+CISREG_IADDR0);
bus_writeb(s->cap.bus, (addr>>8) & 0xff, sys+CISREG_IADDR1);
bus_writeb(s->cap.bus, (addr>>16) & 0xff, sys+CISREG_IADDR2);
bus_writeb(s->cap.bus, (addr>>24) & 0xff, sys+CISREG_IADDR3);
for ( ; len > 0; len--, buf++)
*buf = bus_readb(s->cap.bus, sys+CISREG_IDATA0);
} else {
u_int inc = 1;
if (attr) { mem->flags |= MAP_ATTRIB; inc++; addr *= 2; }
sys += (addr & (s->cap.map_size-1));
mem->card_start = addr & ~(s->cap.map_size-1);
while (len) {
set_cis_map(s, mem);
sys = s->cis_virt + (addr & (s->cap.map_size-1));
for ( ; len > 0; len--, buf++, sys += inc) {
if (sys == s->cis_virt+s->cap.map_size) break;
*buf = bus_readb(s->cap.bus, sys);
}
mem->card_start += s->cap.map_size;
addr = 0;
}
}
DEBUG(3, "cs: %#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));
}
void write_cis_mem(socket_info_t *s, int attr, u_int addr,
u_int len, void *ptr)
{
pccard_mem_map *mem = &s->cis_mem;
u_char *sys, *buf = ptr;
DEBUG(3, "cs: write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
if (setup_cis_mem(s) != 0) return;
mem->flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
if (attr & IS_INDIRECT) {
u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
if (attr & IS_ATTR) { addr *= 2; flags = ICTRL0_AUTOINC; }
mem->card_start = 0; mem->flags = MAP_ACTIVE;
set_cis_map(s, mem);
sys = s->cis_virt;
bus_writeb(s->cap.bus, flags, sys+CISREG_ICTRL0);
bus_writeb(s->cap.bus, addr & 0xff, sys+CISREG_IADDR0);
bus_writeb(s->cap.bus, (addr>>8) & 0xff, sys+CISREG_IADDR1);
bus_writeb(s->cap.bus, (addr>>16) & 0xff, sys+CISREG_IADDR2);
bus_writeb(s->cap.bus, (addr>>24) & 0xff, sys+CISREG_IADDR3);
for ( ; len > 0; len--, buf++)
bus_writeb(s->cap.bus, *buf, sys+CISREG_IDATA0);
} else {
int inc = 1;
if (attr & IS_ATTR) { mem->flags |= MAP_ATTRIB; inc++; addr *= 2; }
mem->card_start = addr & ~(s->cap.map_size-1);
while (len) {
set_cis_map(s, mem);
sys = s->cis_virt + (addr & (s->cap.map_size-1));
for ( ; len > 0; len--, buf++, sys += inc) {
if (sys == s->cis_virt+s->cap.map_size) break;
bus_writeb(s->cap.bus, *buf, sys);
}
mem->card_start += s->cap.map_size;
addr = 0;
}
}
}
static socket_info_t *vs = NULL;
static int cis_readable(u_long base)
{
cisinfo_t info1, info2;
int ret;
vs->cis_mem.sys_start = base;
vs->cis_mem.sys_stop = base+vs->cap.map_size-1;
vs->cis_virt = bus_ioremap(vs->cap.bus, base, vs->cap.map_size);
ret = validate_cis(vs->clients, &info1);
bus_iounmap(vs->cap.bus, vs->cis_virt); vs->cis_used = 0;
if ((ret != 0) || (info1.Chains == 0))
return 0;
vs->cis_mem.sys_start = base+vs->cap.map_size;
vs->cis_mem.sys_stop = base+2*vs->cap.map_size-1;
vs->cis_virt = bus_ioremap(vs->cap.bus, base+vs->cap.map_size,
vs->cap.map_size);
ret = validate_cis(vs->clients, &info2);
bus_iounmap(vs->cap.bus, vs->cis_virt); vs->cis_used = 0;
return ((ret == 0) && (info1.Chains == info2.Chains));
}
static int checksum(u_long base)
{
int i, a, b, d;
vs->cis_mem.sys_start = base;
vs->cis_mem.sys_stop = base+vs->cap.map_size-1;
vs->cis_virt = bus_ioremap(vs->cap.bus, base, vs->cap.map_size);
vs->cis_mem.card_start = 0;
vs->cis_mem.flags = MAP_ACTIVE;
vs->ss_entry(vs->sock, SS_SetMemMap, &vs->cis_mem);
a = 0; b = -1;
for (i = 0; i < vs->cap.map_size; i += 44) {
d = bus_readl(vs->cap.bus, vs->cis_virt+i);
a += d; b &= d;
}
bus_iounmap(vs->cap.bus, vs->cis_virt);
return (b == -1) ? -1 : (a>>1);
}
static int checksum_match(u_long base)
{
int a = checksum(base), b = checksum(base+vs->cap.map_size);
return ((a == b) && (a >= 0));
}
static int setup_cis_mem(socket_info_t *s)
{
if (!(s->cap.features & SS_CAP_STATIC_MAP) &&
(s->cis_mem.sys_start == 0)) {
int low = !(s->cap.features & SS_CAP_PAGE_REGS);
vs = s;
validate_mem(cis_readable, checksum_match, low);
s->cis_mem.sys_start = 0;
vs = NULL;
if (find_mem_region(&s->cis_mem.sys_start, s->cap.map_size,
s->cap.map_size, low, "card services")) {
printk(KERN_NOTICE "cs: unable to map card memory!\n");
return CS_OUT_OF_RESOURCE;
}
s->cis_mem.sys_stop = s->cis_mem.sys_start+s->cap.map_size-1;
s->cis_virt = bus_ioremap(s->cap.bus, s->cis_mem.sys_start,
s->cap.map_size);
}
return 0;
}
void release_cis_mem(socket_info_t *s)
{
if (s->cis_mem.sys_start != 0) {
s->cis_mem.flags &= ~MAP_ACTIVE;
s->ss_entry(s->sock, SS_SetMemMap, &s->cis_mem);
if (!(s->cap.features & SS_CAP_STATIC_MAP))
release_mem_region(s->cis_mem.sys_start, s->cap.map_size);
bus_iounmap(s->cap.bus, s->cis_virt);
s->cis_mem.sys_start = 0;
s->cis_virt = NULL;
}
}
static void read_cis_cache(socket_info_t *s, int attr, u_int addr,
u_int len, void *ptr)
{
int i;
char *caddr;
if (s->fake_cis) {
if (s->fake_cis_len > addr+len)
memcpy(ptr, s->fake_cis+addr, len);
else
memset(ptr, 0xff, len);
return;
}
caddr = s->cis_cache;
for (i = 0; i < s->cis_used; i++) {
if ((s->cis_table[i].addr == addr) &&
(s->cis_table[i].len == len) &&
(s->cis_table[i].attr == attr)) break;
caddr += s->cis_table[i].len;
}
if (i < s->cis_used) {
memcpy(ptr, caddr, len);
return;
}
#ifdef CONFIG_CARDBUS
if (s->state & SOCKET_CARDBUS)
read_cb_mem(s, 0, attr, addr, len, ptr);
else
#endif
read_cis_mem(s, attr, addr, len, ptr);
if ((i < MAX_CIS_TABLE) &&
(caddr+len < s->cis_cache+MAX_CIS_DATA)) {
s->cis_table[i].addr = addr;
s->cis_table[i].len = len;
s->cis_table[i].attr = attr;
s->cis_used++;
memcpy(caddr, ptr, len);
}
}
int verify_cis_cache(socket_info_t *s)
{
char buf[256], *caddr;
int i;
caddr = s->cis_cache;
for (i = 0; i < s->cis_used; i++) {
#ifdef CONFIG_CARDBUS
if (s->state & SOCKET_CARDBUS)
read_cb_mem(s, 0, s->cis_table[i].attr, s->cis_table[i].addr,
s->cis_table[i].len, buf);
else
#endif
read_cis_mem(s, s->cis_table[i].attr, s->cis_table[i].addr,
s->cis_table[i].len, buf);
if (memcmp(buf, caddr, s->cis_table[i].len) != 0)
break;
caddr += s->cis_table[i].len;
}
return (i < s->cis_used);
}
int replace_cis(client_handle_t handle, cisdump_t *cis)
{
socket_info_t *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (s->fake_cis != NULL) {
kfree(s->fake_cis);
s->fake_cis = NULL;
}
if (cis->Length > CISTPL_MAX_CIS_SIZE)
return CS_BAD_SIZE;
s->fake_cis = kmalloc(cis->Length, GFP_KERNEL);
if (s->fake_cis == NULL)
return CS_OUT_OF_RESOURCE;
s->fake_cis_len = cis->Length;
memcpy(s->fake_cis, cis->Data, cis->Length);
return CS_SUCCESS;
}
typedef struct tuple_flags {
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)
#define HAS_LINK(f) (((tuple_flags *)(&(f)))->has_link)
#define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn)
#define SPACE(f) (((tuple_flags *)(&(f)))->space)
int get_next_tuple(client_handle_t handle, tuple_t *tuple);
int get_first_tuple(client_handle_t handle, tuple_t *tuple)
{
socket_info_t *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
tuple->TupleLink = tuple->Flags = 0;
#ifdef CONFIG_CARDBUS
if (s->state & SOCKET_CARDBUS) {
u_int ptr;
#ifdef __MACOSX__
IOPCCardReadConfigLong(s->cap.cardbus_nub[0], 0x28, &ptr);
#else
pcibios_read_config_dword(s->cap.cardbus, 0, 0x28, &ptr);
#endif
tuple->CISOffset = ptr & ~7;
SPACE(tuple->Flags) = (ptr & 7);
} else
#endif
{
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)) {
cisdata_t req = tuple->DesiredTuple;
tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
if (get_next_tuple(handle, tuple) == CS_SUCCESS) {
tuple->DesiredTuple = CISTPL_LINKTARGET;
if (get_next_tuple(handle, tuple) != CS_SUCCESS)
return CS_NO_MORE_ITEMS;
} else
tuple->CISOffset = tuple->TupleLink = 0;
tuple->DesiredTuple = req;
}
return get_next_tuple(handle, tuple);
}
static int follow_link(socket_info_t *s, tuple_t *tuple)
{
u_char link[5];
u_int ofs;
if (MFC_FN(tuple->Flags)) {
read_cis_cache(s, LINK_SPACE(tuple->Flags),
tuple->LinkOffset, 5, link);
ofs = le32_to_cpu(*(u_int *)(link+1));
SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
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 (!(s->state & SOCKET_CARDBUS) && SPACE(tuple->Flags)) {
read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
(strncmp(link+2, "CIS", 3) == 0))
return ofs;
ofs = ofs >> 1;
}
read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
if ((link[0] != CISTPL_LINKTARGET) || (link[1] < 3) ||
(strncmp(link+2, "CIS", 3) != 0))
return -1;
return ofs;
}
int get_next_tuple(client_handle_t handle, tuple_t *tuple)
{
socket_info_t *s;
u_char link[2], tmp;
int ofs, i, attr;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
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 {
read_cis_cache(s, attr, ofs, 2, link);
if (link[0] == CISTPL_NULL) {
ofs++; continue;
}
}
if (link[0] == CISTPL_END) {
if ((ofs = follow_link(s, tuple)) < 0)
return CS_NO_MORE_ITEMS;
attr = SPACE(tuple->Flags);
read_cis_cache(s, attr, ofs, 2, link);
}
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;
read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
break;
case CISTPL_LONGLINK_C:
HAS_LINK(tuple->Flags) = 1;
LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
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 (handle->Function == BIND_FN_ALL) {
read_cis_cache(s, attr, ofs+2, 1, &tmp);
MFC_FN(tuple->Flags) = tmp;
} else {
MFC_FN(tuple->Flags) = 1;
tuple->LinkOffset += handle->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) {
DEBUG(1, "cs: overrun in get_next_tuple for socket %d\n",
handle->Socket);
return CS_NO_MORE_ITEMS;
}
tuple->TupleCode = link[0];
tuple->TupleLink = link[1];
tuple->CISOffset = ofs + 2;
return CS_SUCCESS;
}
#define _MIN(a, b) (((a) < (b)) ? (a) : (b))
int get_tuple_data(client_handle_t handle, tuple_t *tuple)
{
socket_info_t *s;
u_int len;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (tuple->TupleLink < tuple->TupleOffset)
return CS_NO_MORE_ITEMS;
len = tuple->TupleLink - tuple->TupleOffset;
tuple->TupleDataLen = tuple->TupleLink;
if (len == 0)
return CS_SUCCESS;
read_cis_cache(s, SPACE(tuple->Flags),
tuple->CISOffset + tuple->TupleOffset,
_MIN(len, tuple->TupleDataMax), tuple->TupleData);
return CS_SUCCESS;
}
static int parse_device(tuple_t *tuple, cistpl_device_t *device)
{
int i;
u_char scale;
u_char *p, *q;
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
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 CS_BAD_TUPLE;
if (p == q)
return CS_BAD_TUPLE;
device->dev[i].speed = SPEED_CVT(*p);
while (*p & 0x80)
if (++p == q) return CS_BAD_TUPLE;
break;
default:
return CS_BAD_TUPLE;
}
if (++p == q) return CS_BAD_TUPLE;
if (*p == 0xff) break;
scale = *p & 7;
if (scale == 7) return CS_BAD_TUPLE;
device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
device->ndev++;
if (++p == q) break;
}
return CS_SUCCESS;
}
static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
{
u_char *p;
if (tuple->TupleDataLen < 5)
return CS_BAD_TUPLE;
p = (u_char *)tuple->TupleData;
csum->addr = tuple->CISOffset+(short)le16_to_cpu(*(u_short *)p)-2;
csum->len = le16_to_cpu(*(u_short *)(p + 2));
csum->sum = *(p+4);
return CS_SUCCESS;
}
static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link)
{
if (tuple->TupleDataLen < 4)
return CS_BAD_TUPLE;
link->addr = le32_to_cpu(*(u_int *)tuple->TupleData);
return CS_SUCCESS;
}
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 CS_BAD_TUPLE;
for (i = 0; i < link->nfn; i++) {
link->fn[i].space = *p; p++;
link->fn[i].addr = le32_to_cpu(*(u_int *)p); p += 4;
}
return CS_SUCCESS;
}
static int parse_strings(u_char *p, u_char *q, int max,
char *s, u_char *ofs, u_char *found)
{
int i, j, ns;
if (p == q) return CS_BAD_TUPLE;
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 CS_BAD_TUPLE;
}
if ((*p == 0xff) || (++p == q)) break;
}
if (found) {
*found = ns;
return CS_SUCCESS;
} else {
return (ns == max) ? CS_SUCCESS : CS_BAD_TUPLE;
}
}
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) return CS_BAD_TUPLE;
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;
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
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)
{
u_char *p, *q;
int nid;
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) {
if (p > q-2) break;
jedec->id[nid].mfr = p[0];
jedec->id[nid].info = p[1];
p += 2;
}
jedec->nid = nid;
return CS_SUCCESS;
}
static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m)
{
u_short *p;
if (tuple->TupleDataLen < 4)
return CS_BAD_TUPLE;
p = (u_short *)tuple->TupleData;
m->manf = le16_to_cpu(p[0]);
m->card = le16_to_cpu(p[1]);
return CS_SUCCESS;
}
static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f)
{
u_char *p;
if (tuple->TupleDataLen < 2)
return CS_BAD_TUPLE;
p = (u_char *)tuple->TupleData;
f->func = p[0];
f->sysinit = p[1];
return CS_SUCCESS;
}
static int parse_funce(tuple_t *tuple, cistpl_funce_t *f)
{
u_char *p;
int i;
if (tuple->TupleDataLen < 1)
return CS_BAD_TUPLE;
p = (u_char *)tuple->TupleData;
f->type = p[0];
for (i = 1; i < tuple->TupleDataLen; i++)
f->data[i-1] = p[i];
return CS_SUCCESS;
}
static int parse_config(tuple_t *tuple, cistpl_config_t *config)
{
int rasz, rmsz, i;
u_char *p;
p = (u_char *)tuple->TupleData;
rasz = *p & 0x03;
rmsz = (*p & 0x3c) >> 2;
if (tuple->TupleDataLen < rasz+rmsz+4)
return CS_BAD_TUPLE;
config->last_idx = *(++p);
p++;
config->base = 0;
for (i = 0; i <= rasz; i++)
config->base += p[i] << (8*i);
p += rasz+1;
for (i = 0; i < 4; i++)
config->rmask[i] = 0;
for (i = 0; i <= rmsz; i++)
config->rmask[i>>2] += p[i] << (8*(i%4));
config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
return CS_SUCCESS;
}
static u_char *parse_power(u_char *p, u_char *q,
cistpl_power_t *pwr)
{
int i;
u_int scale;
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;
pwr->param[i] = POWER_CVT(*p);
scale = POWER_SCALE(*p);
while (*p & 0x80) {
if (++p == q) return NULL;
if ((*p & 0x7f) < 100)
pwr->param[i] += (*p & 0x7f) * scale / 100;
else if (*p == 0x7d)
pwr->flags |= CISTPL_POWER_HIGHZ_OK;
else if (*p == 0x7e)
pwr->param[i] = 0;
else if (*p == 0x7f)
pwr->flags |= CISTPL_POWER_HIGHZ_REQ;
else
return NULL;
}
p++;
}
return p;
}
static u_char *parse_timing(u_char *p, u_char *q,
cistpl_timing_t *timing)
{
u_char scale;
if (p == q) return NULL;
scale = *p;
if ((scale & 3) != 3) {
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;
timing->ready = SPEED_CVT(*p);
timing->rdyscale = exponent[scale & 7];
} else
timing->ready = 0;
scale >>= 3;
if (scale != 7) {
if (++p == q) return NULL;
timing->reserved = SPEED_CVT(*p);
timing->rsvscale = exponent[scale];
} else
timing->reserved = 0;
p++;
return p;
}
static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io)
{
int i, j, bsz, lsz;
if (p == q) return NULL;
io->flags = *p;
if (!(*p & 0x80)) {
io->nwin = 1;
io->win[0].base = 0;
io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
return p+1;
}
if (++p == q) return NULL;
io->nwin = (*p & 0x0f) + 1;
bsz = (*p & 0x30) >> 4;
if (bsz == 3) bsz++;
lsz = (*p & 0xc0) >> 6;
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;
io->win[i].base += *p << (j*8);
}
for (j = 0; j < lsz; j++, p++) {
if (p == q) return NULL;
io->win[i].len += *p << (j*8);
}
}
return p;
}
static u_char *parse_mem(u_char *p, u_char *q, cistpl_mem_t *mem)
{
int i, j, asz, lsz, has_ha;
u_int len, ca, ha;
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;
for (i = 0; i < mem->nwin; i++) {
len = ca = ha = 0;
for (j = 0; j < lsz; j++, p++) {
if (p == q) return NULL;
len += *p << (j*8);
}
for (j = 0; j < asz; j++, p++) {
if (p == q) return NULL;
ca += *p << (j*8);
}
if (has_ha)
for (j = 0; j < asz; j++, p++) {
if (p == q) return NULL;
ha += *p << (j*8);
}
mem->win[i].len = len << 8;
mem->win[i].card_addr = ca << 8;
mem->win[i].host_addr = ha << 8;
}
return p;
}
static u_char *parse_irq(u_char *p, u_char *q, cistpl_irq_t *irq)
{
if (p == q) return NULL;
irq->IRQInfo1 = *p; p++;
if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
if (p+2 > q) return NULL;
irq->IRQInfo2 = (p[1]<<8) + p[0];
p += 2;
}
return p;
}
static int parse_cftable_entry(tuple_t *tuple,
cistpl_cftable_entry_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;
if (*p & 0x80) {
if (++p == q) return CS_BAD_TUPLE;
if (*p & 0x10)
entry->flags |= CISTPL_CFTABLE_BVDS;
if (*p & 0x20)
entry->flags |= CISTPL_CFTABLE_WP;
if (*p & 0x40)
entry->flags |= CISTPL_CFTABLE_RDYBSY;
if (*p & 0x80)
entry->flags |= CISTPL_CFTABLE_MWAIT;
entry->interface = *p & 0x0f;
#ifdef __MACOSX__
entry->flags |= CISTPL_CFTABLE_IF_PRESENT;
#endif
} else
entry->interface = 0;
if (++p == q) return CS_BAD_TUPLE;
features = *p; p++;
if ((features & 3) > 0) {
p = parse_power(p, q, &entry->vcc);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vcc.present = 0;
if ((features & 3) > 1) {
p = parse_power(p, q, &entry->vpp1);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vpp1.present = 0;
if ((features & 3) > 2) {
p = parse_power(p, q, &entry->vpp2);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vpp2.present = 0;
if (features & 0x04) {
p = parse_timing(p, q, &entry->timing);
if (p == NULL) return CS_BAD_TUPLE;
} else {
entry->timing.wait = 0;
entry->timing.ready = 0;
entry->timing.reserved = 0;
}
if (features & 0x08) {
p = parse_io(p, q, &entry->io);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->io.nwin = 0;
if (features & 0x10) {
p = parse_irq(p, q, &entry->irq);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->irq.IRQInfo1 = 0;
switch (features & 0x60) {
case 0x00:
entry->mem.nwin = 0;
break;
case 0x20:
entry->mem.nwin = 1;
entry->mem.win[0].len = le16_to_cpu(*(u_short *)p) << 8;
entry->mem.win[0].card_addr = 0;
entry->mem.win[0].host_addr = 0;
p += 2;
if (p > q) return CS_BAD_TUPLE;
break;
case 0x40:
entry->mem.nwin = 1;
entry->mem.win[0].len = le16_to_cpu(*(u_short *)p) << 8;
entry->mem.win[0].card_addr =
le16_to_cpu(*(u_short *)(p+2)) << 8;
entry->mem.win[0].host_addr = 0;
p += 4;
if (p > q) return CS_BAD_TUPLE;
break;
case 0x60:
p = parse_mem(p, q, &entry->mem);
if (p == NULL) return CS_BAD_TUPLE;
break;
}
if (features & 0x80) {
if (p == q) return CS_BAD_TUPLE;
entry->flags |= (*p << 8);
while (*p & 0x80)
if (++p == q) return CS_BAD_TUPLE;
p++;
}
entry->subtuples = q-p;
return CS_SUCCESS;
}
#ifdef CONFIG_CARDBUS
static int parse_bar(tuple_t *tuple, cistpl_bar_t *bar)
{
u_char *p;
if (tuple->TupleDataLen < 6)
return CS_BAD_TUPLE;
p = (u_char *)tuple->TupleData;
bar->attr = *p;
p += 2;
bar->size = le32_to_cpu(*(u_int *)p);
return CS_SUCCESS;
}
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 CS_BAD_TUPLE;
config->last_idx = *(++p);
p++;
config->base = le32_to_cpu(*(u_int *)p);
config->subtuples = tuple->TupleDataLen - 6;
return CS_SUCCESS;
}
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;
if (++p == q) return CS_BAD_TUPLE;
features = *p; p++;
if ((features & 3) > 0) {
p = parse_power(p, q, &entry->vcc);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vcc.present = 0;
if ((features & 3) > 1) {
p = parse_power(p, q, &entry->vpp1);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vpp1.present = 0;
if ((features & 3) > 2) {
p = parse_power(p, q, &entry->vpp2);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->vpp2.present = 0;
if (features & 0x08) {
if (p == q) return CS_BAD_TUPLE;
entry->io = *p; p++;
} else
entry->io = 0;
if (features & 0x10) {
p = parse_irq(p, q, &entry->irq);
if (p == NULL) return CS_BAD_TUPLE;
} else
entry->irq.IRQInfo1 = 0;
if (features & 0x20) {
if (p == q) return CS_BAD_TUPLE;
entry->mem = *p; p++;
} else
entry->mem = 0;
if (features & 0x80) {
if (p == q) return CS_BAD_TUPLE;
entry->flags |= (*p << 8);
if (*p & 0x80) {
if (++p == q) return CS_BAD_TUPLE;
entry->flags |= (*p << 16);
}
while (*p & 0x80)
if (++p == q) return CS_BAD_TUPLE;
p++;
}
entry->subtuples = q-p;
return CS_SUCCESS;
}
#endif
static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo)
{
u_char *p, *q;
int n;
p = (u_char *)tuple->TupleData;
q = p + tuple->TupleDataLen;
for (n = 0; n < CISTPL_MAX_DEVICES; n++) {
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);
geo->geo[n].write_block = 1 << (p[3]-1);
geo->geo[n].partition = 1 << (p[4]-1);
geo->geo[n].interleave = 1 << (p[5]-1);
p += 6;
}
geo->ngeo = n;
return CS_SUCCESS;
}
static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2)
{
u_char *p, *q;
if (tuple->TupleDataLen < 10)
return CS_BAD_TUPLE;
p = tuple->TupleData;
q = p + tuple->TupleDataLen;
v2->vers = p[0];
v2->comply = p[1];
v2->dindex = le16_to_cpu(*(u_short *)(p+2));
v2->vspec8 = p[6];
v2->vspec9 = p[7];
v2->nhdr = p[8];
p += 9;
return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL);
}
static int parse_org(tuple_t *tuple, cistpl_org_t *org)
{
u_char *p, *q;
int i;
p = tuple->TupleData;
q = p + tuple->TupleDataLen;
if (p == q) return CS_BAD_TUPLE;
org->data_org = *p;
if (++p == q) return CS_BAD_TUPLE;
for (i = 0; i < 30; i++) {
org->desc[i] = *p;
if (*p == '\0') break;
if (++p == q) return CS_BAD_TUPLE;
}
return CS_SUCCESS;
}
static int parse_format(tuple_t *tuple, cistpl_format_t *fmt)
{
u_char *p;
if (tuple->TupleDataLen < 10)
return CS_BAD_TUPLE;
p = tuple->TupleData;
fmt->type = p[0];
fmt->edc = p[1];
fmt->offset = le32_to_cpu(*(u_int *)(p+2));
fmt->length = le32_to_cpu(*(u_int *)(p+6));
return CS_SUCCESS;
}
int parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
{
int ret = CS_SUCCESS;
if (tuple->TupleDataLen > tuple->TupleDataMax)
return CS_BAD_TUPLE;
switch (tuple->TupleCode) {
case CISTPL_DEVICE:
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;
case CISTPL_LONGLINK_A:
case CISTPL_LONGLINK_C:
ret = parse_longlink(tuple, &parse->longlink);
break;
case CISTPL_LONGLINK_MFC:
ret = parse_longlink_mfc(tuple, &parse->longlink_mfc);
break;
case CISTPL_VERS_1:
ret = parse_vers_1(tuple, &parse->version_1);
break;
case CISTPL_ALTSTR:
ret = parse_altstr(tuple, &parse->altstr);
break;
case CISTPL_JEDEC_A:
case CISTPL_JEDEC_C:
ret = parse_jedec(tuple, &parse->jedec);
break;
case CISTPL_MANFID:
ret = parse_manfid(tuple, &parse->manfid);
break;
case CISTPL_FUNCID:
ret = parse_funcid(tuple, &parse->funcid);
break;
case CISTPL_FUNCE:
ret = parse_funce(tuple, &parse->funce);
break;
case CISTPL_CONFIG:
ret = parse_config(tuple, &parse->config);
break;
case CISTPL_CFTABLE_ENTRY:
ret = parse_cftable_entry(tuple, &parse->cftable_entry);
break;
case CISTPL_DEVICE_GEO:
case CISTPL_DEVICE_GEO_A:
ret = parse_device_geo(tuple, &parse->device_geo);
break;
case CISTPL_VERS_2:
ret = parse_vers_2(tuple, &parse->vers_2);
break;
case CISTPL_ORG:
ret = parse_org(tuple, &parse->org);
break;
case CISTPL_FORMAT:
case CISTPL_FORMAT_A:
ret = parse_format(tuple, &parse->format);
break;
case CISTPL_NO_LINK:
case CISTPL_LINKTARGET:
ret = CS_SUCCESS;
break;
default:
ret = CS_UNSUPPORTED_FUNCTION;
break;
}
return ret;
}
int read_tuple(client_handle_t handle, cisdata_t code, void *parse)
{
tuple_t tuple;
cisdata_t buf[255];
int ret;
tuple.DesiredTuple = code;
tuple.Attributes = TUPLE_RETURN_COMMON;
ret = CardServices(GetFirstTuple, handle, &tuple, NULL);
if (ret != CS_SUCCESS) return ret;
tuple.TupleData = buf;
tuple.TupleOffset = 0;
tuple.TupleDataMax = sizeof(buf);
ret = CardServices(GetTupleData, handle, &tuple, NULL);
if (ret != CS_SUCCESS) return ret;
ret = CardServices(ParseTuple, handle, &tuple, parse);
return ret;
}
int validate_cis(client_handle_t handle, cisinfo_t *info)
{
tuple_t tuple;
cisparse_t p;
int ret, reserved, dev_ok = 0, ident_ok = 0;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
info->Chains = reserved = 0;
tuple.DesiredTuple = RETURN_FIRST_TUPLE;
tuple.Attributes = TUPLE_RETURN_COMMON;
ret = get_first_tuple(handle, &tuple);
if (ret != CS_SUCCESS)
return CS_SUCCESS;
if ((tuple.TupleCode == CISTPL_DEVICE) ||
(read_tuple(handle, CISTPL_CFTABLE_ENTRY, &p) == CS_SUCCESS) ||
(read_tuple(handle, CISTPL_CFTABLE_ENTRY_CB, &p) == CS_SUCCESS))
dev_ok++;
if ((read_tuple(handle, CISTPL_MANFID, &p) == CS_SUCCESS) ||
(read_tuple(handle, CISTPL_VERS_1, &p) == CS_SUCCESS) ||
(read_tuple(handle, CISTPL_VERS_2, &p) != CS_NO_MORE_ITEMS))
ident_ok++;
if (!dev_ok && !ident_ok)
return CS_SUCCESS;
for (info->Chains = 1; info->Chains < MAX_TUPLES; info->Chains++) {
ret = get_next_tuple(handle, &tuple);
if (ret != CS_SUCCESS) break;
if (((tuple.TupleCode > 0x23) && (tuple.TupleCode < 0x40)) ||
((tuple.TupleCode > 0x47) && (tuple.TupleCode < 0x80)) ||
((tuple.TupleCode > 0x90) && (tuple.TupleCode < 0xff)))
reserved++;
}
if ((info->Chains == MAX_TUPLES) || (reserved > 5) ||
((!dev_ok || !ident_ok) && (info->Chains > 10)))
info->Chains = 0;
return CS_SUCCESS;
}