OpenCloudOS-Kernel/drivers/net/wireless/hostap/hostap_cs.c

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#define PRISM2_PCCARD
#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/if.h>
#include <linux/wait.h>
#include <linux/timer.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/workqueue.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <asm/io.h>
#include "hostap_wlan.h"
static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)";
static dev_info_t dev_info = "hostap_cs";
static dev_link_t *dev_list = NULL;
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
"cards (PC Card).");
MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
MODULE_LICENSE("GPL");
static int ignore_cis_vcc;
module_param(ignore_cis_vcc, int, 0444);
MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
#ifdef PRISM2_IO_DEBUG
static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
outb(v, dev->base_addr + a);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
u8 v;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
v = inb(dev->base_addr + a);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
spin_unlock_irqrestore(&local->lock, flags);
return v;
}
static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
outw(v, dev->base_addr + a);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
u16 v;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
v = inw(dev->base_addr + a);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
spin_unlock_irqrestore(&local->lock, flags);
return v;
}
static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
u8 *buf, int wc)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
outsw(dev->base_addr + a, buf, wc);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline void hfa384x_insw_debug(struct net_device *dev, int a,
u8 *buf, int wc)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
insw(dev->base_addr + a, buf, wc);
spin_unlock_irqrestore(&local->lock, flags);
}
#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
#else /* PRISM2_IO_DEBUG */
#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
#define HFA384X_INB(a) inb(dev->base_addr + (a))
#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
#define HFA384X_INW(a) inw(dev->base_addr + (a))
#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
#endif /* PRISM2_IO_DEBUG */
static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
int len)
{
u16 d_off;
u16 *pos;
d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
pos = (u16 *) buf;
if (len / 2)
HFA384X_INSW(d_off, buf, len / 2);
pos += len / 2;
if (len & 1)
*((char *) pos) = HFA384X_INB(d_off);
return 0;
}
static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
{
u16 d_off;
u16 *pos;
d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
pos = (u16 *) buf;
if (len / 2)
HFA384X_OUTSW(d_off, buf, len / 2);
pos += len / 2;
if (len & 1)
HFA384X_OUTB(*((char *) pos), d_off);
return 0;
}
/* FIX: This might change at some point.. */
#include "hostap_hw.c"
static void prism2_detach(dev_link_t *link);
static void prism2_release(u_long arg);
static int prism2_event(event_t event, int priority,
event_callback_args_t *args);
static int prism2_pccard_card_present(local_info_t *local)
{
if (local->link != NULL &&
((local->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
(DEV_PRESENT | DEV_CONFIG)))
return 1;
return 0;
}
/*
* SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
* Document No. 20-10-00058, January 2004
* http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
*/
#define SANDISK_WLAN_ACTIVATION_OFF 0x40
#define SANDISK_HCR_OFF 0x42
static void sandisk_set_iobase(local_info_t *local)
{
int res;
conf_reg_t reg;
reg.Function = 0;
reg.Action = CS_WRITE;
reg.Offset = 0x10; /* 0x3f0 IO base 1 */
reg.Value = local->link->io.BasePort1 & 0x00ff;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
" res=%d\n", res);
}
udelay(10);
reg.Function = 0;
reg.Action = CS_WRITE;
reg.Offset = 0x12; /* 0x3f2 IO base 2 */
reg.Value = (local->link->io.BasePort1 & 0xff00) >> 8;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
" res=%d\n", res);
}
}
static void sandisk_write_hcr(local_info_t *local, int hcr)
{
struct net_device *dev = local->dev;
int i;
HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
udelay(50);
for (i = 0; i < 10; i++) {
HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
}
udelay(55);
HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
}
static int sandisk_enable_wireless(struct net_device *dev)
{
int res, ret = 0;
conf_reg_t reg;
struct hostap_interface *iface = dev->priv;
local_info_t *local = iface->local;
tuple_t tuple;
cisparse_t *parse = NULL;
u_char buf[64];
if (local->link->io.NumPorts1 < 0x42) {
/* Not enough ports to be SanDisk multi-function card */
ret = -ENODEV;
goto done;
}
parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
if (parse == NULL) {
ret = -ENOMEM;
goto done;
}
tuple.DesiredTuple = CISTPL_MANFID;
tuple.Attributes = TUPLE_RETURN_COMMON;
tuple.TupleData = buf;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
pcmcia_get_tuple_data(local->link->handle, &tuple) ||
pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
/* No SanDisk manfid found */
ret = -ENODEV;
goto done;
}
tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
pcmcia_get_tuple_data(local->link->handle, &tuple) ||
pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
parse->longlink_mfc.nfn < 2) {
/* No multi-function links found */
ret = -ENODEV;
goto done;
}
printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
" - using vendor-specific initialization\n", dev->name);
local->sandisk_connectplus = 1;
reg.Function = 0;
reg.Action = CS_WRITE;
reg.Offset = CISREG_COR;
reg.Value = COR_SOFT_RESET;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
dev->name, res);
goto done;
}
mdelay(5);
reg.Function = 0;
reg.Action = CS_WRITE;
reg.Offset = CISREG_COR;
/*
* Do not enable interrupts here to avoid some bogus events. Interrupts
* will be enabled during the first cor_sreset call.
*/
reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
dev->name, res);
goto done;
}
mdelay(5);
sandisk_set_iobase(local);
HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
udelay(10);
HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
udelay(10);
done:
kfree(parse);
return ret;
}
static void prism2_pccard_cor_sreset(local_info_t *local)
{
int res;
conf_reg_t reg;
if (!prism2_pccard_card_present(local))
return;
reg.Function = 0;
reg.Action = CS_READ;
reg.Offset = CISREG_COR;
reg.Value = 0;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
res);
return;
}
printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
reg.Value);
reg.Action = CS_WRITE;
reg.Value |= COR_SOFT_RESET;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
res);
return;
}
mdelay(local->sandisk_connectplus ? 5 : 2);
reg.Value &= ~COR_SOFT_RESET;
if (local->sandisk_connectplus)
reg.Value |= COR_IREQ_ENA;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
res);
return;
}
mdelay(local->sandisk_connectplus ? 5 : 2);
if (local->sandisk_connectplus)
sandisk_set_iobase(local);
}
static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
{
int res;
conf_reg_t reg;
int old_cor;
if (!prism2_pccard_card_present(local))
return;
if (local->sandisk_connectplus) {
sandisk_write_hcr(local, hcr);
return;
}
reg.Function = 0;
reg.Action = CS_READ;
reg.Offset = CISREG_COR;
reg.Value = 0;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
"(%d)\n", res);
return;
}
printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
reg.Value);
old_cor = reg.Value;
reg.Action = CS_WRITE;
reg.Value |= COR_SOFT_RESET;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
"(%d)\n", res);
return;
}
mdelay(10);
/* Setup Genesis mode */
reg.Action = CS_WRITE;
reg.Value = hcr;
reg.Offset = CISREG_CCSR;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
"(%d)\n", res);
return;
}
mdelay(10);
reg.Action = CS_WRITE;
reg.Offset = CISREG_COR;
reg.Value = old_cor & ~COR_SOFT_RESET;
res = pcmcia_access_configuration_register(local->link->handle, &reg);
if (res != CS_SUCCESS) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
"(%d)\n", res);
return;
}
mdelay(10);
}
static int prism2_pccard_dev_open(local_info_t *local)
{
local->link->open++;
return 0;
}
static int prism2_pccard_dev_close(local_info_t *local)
{
if (local == NULL || local->link == NULL)
return 1;
if (!local->link->open) {
printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
"link not open?!\n", local->dev->name);
return 1;
}
local->link->open--;
return 0;
}
static struct prism2_helper_functions prism2_pccard_funcs =
{
.card_present = prism2_pccard_card_present,
.cor_sreset = prism2_pccard_cor_sreset,
.dev_open = prism2_pccard_dev_open,
.dev_close = prism2_pccard_dev_close,
.genesis_reset = prism2_pccard_genesis_reset,
.hw_type = HOSTAP_HW_PCCARD,
};
/* allocate local data and register with CardServices
* initialize dev_link structure, but do not configure the card yet */
static dev_link_t *prism2_attach(void)
{
dev_link_t *link;
client_reg_t client_reg;
int ret;
link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
if (link == NULL)
return NULL;
memset(link, 0, sizeof(dev_link_t));
PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
link->conf.Vcc = 33;
link->conf.IntType = INT_MEMORY_AND_IO;
/* register with CardServices */
link->next = dev_list;
dev_list = link;
client_reg.dev_info = &dev_info;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
ret = pcmcia_register_client(&link->handle, &client_reg);
if (ret != CS_SUCCESS) {
cs_error(link->handle, RegisterClient, ret);
prism2_detach(link);
return NULL;
}
return link;
}
static void prism2_detach(dev_link_t *link)
{
dev_link_t **linkp;
PDEBUG(DEBUG_FLOW, "prism2_detach\n");
for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
if (*linkp == link)
break;
if (*linkp == NULL) {
printk(KERN_WARNING "%s: Attempt to detach non-existing "
"PCMCIA client\n", dev_info);
return;
}
if (link->state & DEV_CONFIG) {
prism2_release((u_long)link);
}
if (link->handle) {
int res = pcmcia_deregister_client(link->handle);
if (res) {
printk("CardService(DeregisterClient) => %d\n", res);
cs_error(link->handle, DeregisterClient, res);
}
}
*linkp = link->next;
/* release net devices */
if (link->priv) {
prism2_free_local_data((struct net_device *) link->priv);
}
kfree(link);
}
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
#define CFG_CHECK2(fn, retf) \
do { int ret = (retf); \
if (ret != 0) { \
PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
cs_error(link->handle, fn, ret); \
goto next_entry; \
} \
} while (0)
/* run after a CARD_INSERTION event is received to configure the PCMCIA
* socket and make the device available to the system */
static int prism2_config(dev_link_t *link)
{
struct net_device *dev;
struct hostap_interface *iface;
local_info_t *local;
int ret = 1;
tuple_t tuple;
cisparse_t *parse;
int last_fn, last_ret;
u_char buf[64];
config_info_t conf;
cistpl_cftable_entry_t dflt = { 0 };
PDEBUG(DEBUG_FLOW, "prism2_config()\n");
parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
if (parse == NULL) {
ret = -ENOMEM;
goto failed;
}
tuple.DesiredTuple = CISTPL_CONFIG;
tuple.Attributes = 0;
tuple.TupleData = buf;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
link->conf.ConfigBase = parse->config.base;
link->conf.Present = parse->config.rmask[0];
CS_CHECK(GetConfigurationInfo,
pcmcia_get_configuration_info(link->handle, &conf));
PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
link->conf.Vcc = conf.Vcc;
/* Look for an appropriate configuration table entry in the CIS */
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
for (;;) {
cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
CFG_CHECK2(GetTupleData,
pcmcia_get_tuple_data(link->handle, &tuple));
CFG_CHECK2(ParseTuple,
pcmcia_parse_tuple(link->handle, &tuple, parse));
if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
dflt = *cfg;
if (cfg->index == 0)
goto next_entry;
link->conf.ConfigIndex = cfg->index;
PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
"(default 0x%02X)\n", cfg->index, dflt.index);
/* Does this card need audio output? */
if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
link->conf.Attributes |= CONF_ENABLE_SPKR;
link->conf.Status = CCSR_AUDIO_ENA;
}
/* Use power settings for Vcc and Vpp if present */
/* Note that the CIS values need to be rescaled */
if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
10000 && !ignore_cis_vcc) {
PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
" this entry\n");
goto next_entry;
}
} else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
10000 && !ignore_cis_vcc) {
PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
"- skipping this entry\n");
goto next_entry;
}
}
if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
link->conf.Vpp1 = link->conf.Vpp2 =
cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
link->conf.Vpp1 = link->conf.Vpp2 =
dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
/* Do we need to allocate an interrupt? */
if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
link->conf.Attributes |= CONF_ENABLE_IRQ;
else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
/* At least Compaq WL200 does not have IRQInfo1 set,
* but it does not work without interrupts.. */
printk("Config has no IRQ info, but trying to enable "
"IRQ anyway..\n");
link->conf.Attributes |= CONF_ENABLE_IRQ;
}
/* IO window settings */
PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
"dflt.io.nwin=%d\n",
cfg->io.nwin, dflt.io.nwin);
link->io.NumPorts1 = link->io.NumPorts2 = 0;
if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
"io.base=0x%04x, len=%d\n", io->flags,
io->win[0].base, io->win[0].len);
if (!(io->flags & CISTPL_IO_8BIT))
link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
if (!(io->flags & CISTPL_IO_16BIT))
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->io.IOAddrLines = io->flags &
CISTPL_IO_LINES_MASK;
link->io.BasePort1 = io->win[0].base;
link->io.NumPorts1 = io->win[0].len;
if (io->nwin > 1) {
link->io.Attributes2 = link->io.Attributes1;
link->io.BasePort2 = io->win[1].base;
link->io.NumPorts2 = io->win[1].len;
}
}
/* This reserves IO space but doesn't actually enable it */
CFG_CHECK2(RequestIO,
pcmcia_request_io(link->handle, &link->io));
/* This configuration table entry is OK */
break;
next_entry:
CS_CHECK(GetNextTuple,
pcmcia_get_next_tuple(link->handle, &tuple));
}
/* Need to allocate net_device before requesting IRQ handler */
dev = prism2_init_local_data(&prism2_pccard_funcs, 0);
if (dev == NULL)
goto failed;
link->priv = dev;
/*
* Allocate an interrupt line. Note that this does not assign a
* handler to the interrupt, unless the 'Handler' member of the
* irq structure is initialized.
*/
if (link->conf.Attributes & CONF_ENABLE_IRQ) {
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = prism2_interrupt;
link->irq.Instance = dev;
CS_CHECK(RequestIRQ,
pcmcia_request_irq(link->handle, &link->irq));
}
/*
* This actually configures the PCMCIA socket -- setting up
* the I/O windows and the interrupt mapping, and putting the
* card and host interface into "Memory and IO" mode.
*/
CS_CHECK(RequestConfiguration,
pcmcia_request_configuration(link->handle, &link->conf));
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;
/* Finally, report what we've done */
printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
dev_info, link->conf.ConfigIndex,
link->conf.Vcc / 10, link->conf.Vcc % 10);
if (link->conf.Vpp1)
printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
link->conf.Vpp1 % 10);
if (link->conf.Attributes & CONF_ENABLE_IRQ)
printk(", irq %d", link->irq.AssignedIRQ);
if (link->io.NumPorts1)
printk(", io 0x%04x-0x%04x", link->io.BasePort1,
link->io.BasePort1+link->io.NumPorts1-1);
if (link->io.NumPorts2)
printk(" & 0x%04x-0x%04x", link->io.BasePort2,
link->io.BasePort2+link->io.NumPorts2-1);
printk("\n");
link->state |= DEV_CONFIG;
link->state &= ~DEV_CONFIG_PENDING;
iface = netdev_priv(dev);
local = iface->local;
local->link = link;
strcpy(local->node.dev_name, dev->name);
link->dev = &local->node;
local->shutdown = 0;
sandisk_enable_wireless(dev);
ret = prism2_hw_config(dev, 1);
if (!ret) {
ret = hostap_hw_ready(dev);
if (ret == 0 && local->ddev)
strcpy(local->node.dev_name, local->ddev->name);
}
kfree(parse);
return ret;
cs_failed:
cs_error(link->handle, last_fn, last_ret);
failed:
kfree(parse);
prism2_release((u_long)link);
return ret;
}
static void prism2_release(u_long arg)
{
dev_link_t *link = (dev_link_t *)arg;
PDEBUG(DEBUG_FLOW, "prism2_release\n");
if (link->priv) {
struct net_device *dev = link->priv;
struct hostap_interface *iface;
iface = netdev_priv(dev);
if (link->state & DEV_CONFIG)
prism2_hw_shutdown(dev, 0);
iface->local->shutdown = 1;
}
if (link->win)
pcmcia_release_window(link->win);
pcmcia_release_configuration(link->handle);
if (link->io.NumPorts1)
pcmcia_release_io(link->handle, &link->io);
if (link->irq.AssignedIRQ)
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
PDEBUG(DEBUG_FLOW, "release - done\n");
}
static int prism2_event(event_t event, int priority,
event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
struct net_device *dev = (struct net_device *) link->priv;
switch (event) {
case CS_EVENT_CARD_INSERTION:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
if (prism2_config(link)) {
PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
}
break;
case CS_EVENT_CARD_REMOVAL:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG) {
netif_stop_queue(dev);
netif_device_detach(dev);
prism2_release((u_long) link);
}
break;
case CS_EVENT_PM_SUSPEND:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
link->state |= DEV_SUSPEND;
/* fall through */
case CS_EVENT_RESET_PHYSICAL:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
if (link->state & DEV_CONFIG) {
if (link->open) {
netif_stop_queue(dev);
netif_device_detach(dev);
}
prism2_suspend(dev);
pcmcia_release_configuration(link->handle);
}
break;
case CS_EVENT_PM_RESUME:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
link->state &= ~DEV_SUSPEND;
/* fall through */
case CS_EVENT_CARD_RESET:
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
if (link->state & DEV_CONFIG) {
pcmcia_request_configuration(link->handle,
&link->conf);
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, link->open ? 0 : 1);
if (link->open) {
netif_device_attach(dev);
netif_start_queue(dev);
}
}
break;
default:
PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
dev_info, event);
break;
}
return 0;
}
static struct pcmcia_driver hostap_driver = {
.drv = {
.name = "hostap_cs",
},
.attach = prism2_attach,
.detach = prism2_detach,
.owner = THIS_MODULE,
.event = prism2_event,
};
static int __init init_prism2_pccard(void)
{
printk(KERN_INFO "%s: %s\n", dev_info, version);
return pcmcia_register_driver(&hostap_driver);
}
static void __exit exit_prism2_pccard(void)
{
pcmcia_unregister_driver(&hostap_driver);
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
}
module_init(init_prism2_pccard);
module_exit(exit_prism2_pccard);