static void prism2_release(u_long arg)
{
dev_link_t *link = (dev_link_t *)arg;
struct net_device *dev = (struct net_device *) link->priv;
struct hostap_interface *iface = dev->priv;
local_info_t *local = iface->local;
PDEBUG(DEBUG_FLOW, "prism2_release\n");
if (link->open) {
printk("%s: release postponed, '%s' still open\n",
dev_info, link->dev->dev_name);
link->state |= DEV_STALE_CONFIG;
return;
}
if (dev != NULL)
prism2_hw_shutdown(dev, 0);
local->shutdown = 1;
if (link->win)
CardServices(ReleaseWindow, link->win);
CardServices(ReleaseConfiguration, link->handle);
if (link->io.NumPorts1)
CardServices(ReleaseIO, link->handle, &link->io);
if (link->irq.AssignedIRQ)
CardServices(ReleaseIRQ, link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
PDEBUG(DEBUG_FLOW, "release - done\n");
}
static int hostap_cs_resume(struct pcmcia_device *link)
{
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
struct hostap_interface *iface = NULL;
if (!dev)
return -ENODEV;
iface = netdev_priv(dev);
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, dev_open ? 0 : 1);
if (dev_open) {
netif_device_attach(dev);
netif_start_queue(dev);
}
return 0;
}
static void prism2_release(u_long arg)
{
struct pcmcia_device *link = (struct pcmcia_device *)arg;
PDEBUG(DEBUG_FLOW, "prism2_release\n");
if (link->priv) {
struct net_device *dev = link->priv;
struct hostap_interface *iface;
iface = netdev_priv(dev);
prism2_hw_shutdown(dev, 0);
iface->local->shutdown = 1;
}
pcmcia_disable_device(link);
PDEBUG(DEBUG_FLOW, "release - done\n");
}
static int prism2_pci_suspend(struct pci_dev *pdev, u32 state)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct hostap_interface *iface = dev->priv;
local_info_t *local = iface->local;
if (netif_running(dev)) {
hostap_netif_stop_queues(dev);
netif_device_detach(dev);
}
prism2_hw_shutdown(dev, 0);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,6))
pci_save_state(pdev, local->pci_save_state);
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4))
pci_disable_device(pdev);
#endif
pci_set_power_state(pdev, 3);
return 0;
}
static int prism2_download_nonvolatile(local_info_t *local,
struct prism2_download_data *dl)
{
struct net_device *dev = local->dev;
int ret = 0, i;
struct {
__le16 page;
__le16 offset;
__le16 len;
} dlbuffer;
u32 bufaddr;
if (local->hw_downloading) {
printk(KERN_WARNING "%s: Already downloading - aborting new "
"request\n", dev->name);
return -1;
}
ret = local->func->get_rid(dev, HFA384X_RID_DOWNLOADBUFFER,
&dlbuffer, 6, 0);
if (ret < 0) {
printk(KERN_WARNING "%s: Could not read download buffer "
"parameters\n", dev->name);
goto out;
}
printk(KERN_DEBUG "Download buffer: %d bytes at 0x%04x:0x%04x\n",
le16_to_cpu(dlbuffer.len),
le16_to_cpu(dlbuffer.page),
le16_to_cpu(dlbuffer.offset));
bufaddr = (le16_to_cpu(dlbuffer.page) << 7) + le16_to_cpu(dlbuffer.offset);
local->hw_downloading = 1;
if (!local->pri_only) {
prism2_hw_shutdown(dev, 0);
if (prism2_hw_init(dev, 0)) {
printk(KERN_WARNING "%s: Could not initialize card for"
" download\n", dev->name);
ret = -1;
goto out;
}
}
hfa384x_disable_interrupts(dev);
if (prism2_enable_aux_port(dev, 1)) {
printk(KERN_WARNING "%s: Could not enable AUX port\n",
dev->name);
ret = -1;
goto out;
}
printk(KERN_DEBUG "%s: starting flash download\n", dev->name);
for (i = 0; i < dl->num_areas; i++) {
int rest_len = dl->data[i].len;
int data_off = 0;
while (rest_len > 0) {
int block_len;
block_len = prism2_download_block(
dev, dl->data[i].addr + data_off,
dl->data[i].data + data_off, bufaddr,
rest_len);
if (block_len < 0) {
ret = -1;
goto out;
}
rest_len -= block_len;
data_off += block_len;
}
}
HFA384X_OUTW(0, HFA384X_PARAM1_OFF);
HFA384X_OUTW(0, HFA384X_PARAM2_OFF);
if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD |
(HFA384X_PROGMODE_DISABLE << 8), 0)) {
printk(KERN_WARNING "%s: Download command execution failed\n",
dev->name);
ret = -1;
goto out;
}
if (prism2_enable_aux_port(dev, 0)) {
printk(KERN_DEBUG "%s: Disabling AUX port failed\n",
dev->name);
/* continue anyway.. restart should have taken care of this */
}
mdelay(5);
local->func->hw_reset(dev);
local->hw_downloading = 0;
if (prism2_hw_config(dev, 2)) {
printk(KERN_WARNING "%s: Card configuration after flash "
"download failed\n", dev->name);
ret = -1;
} else {
printk(KERN_INFO "%s: Card initialized successfully after "
"flash download\n", dev->name);
}
out:
local->hw_downloading = 0;
return ret;
}
static int prism2_download_volatile(local_info_t *local,
struct prism2_download_data *param)
{
struct net_device *dev = local->dev;
int ret = 0, i;
u16 param0, param1;
if (local->hw_downloading) {
printk(KERN_WARNING "%s: Already downloading - aborting new "
"request\n", dev->name);
return -1;
}
local->hw_downloading = 1;
if (local->pri_only) {
hfa384x_disable_interrupts(dev);
} else {
prism2_hw_shutdown(dev, 0);
if (prism2_hw_init(dev, 0)) {
printk(KERN_WARNING "%s: Could not initialize card for"
" download\n", dev->name);
ret = -1;
goto out;
}
}
if (prism2_enable_aux_port(dev, 1)) {
printk(KERN_WARNING "%s: Could not enable AUX port\n",
dev->name);
ret = -1;
goto out;
}
param0 = param->start_addr & 0xffff;
param1 = param->start_addr >> 16;
HFA384X_OUTW(0, HFA384X_PARAM2_OFF);
HFA384X_OUTW(param1, HFA384X_PARAM1_OFF);
if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD |
(HFA384X_PROGMODE_ENABLE_VOLATILE << 8),
param0)) {
printk(KERN_WARNING "%s: Download command execution failed\n",
dev->name);
ret = -1;
goto out;
}
for (i = 0; i < param->num_areas; i++) {
PDEBUG(DEBUG_EXTRA2, "%s: Writing %d bytes at 0x%08x\n",
dev->name, param->data[i].len, param->data[i].addr);
if (hfa384x_to_aux(dev, param->data[i].addr,
param->data[i].len, param->data[i].data)) {
printk(KERN_WARNING "%s: RAM download at 0x%08x "
"(len=%d) failed\n", dev->name,
param->data[i].addr, param->data[i].len);
ret = -1;
goto out;
}
}
HFA384X_OUTW(param1, HFA384X_PARAM1_OFF);
HFA384X_OUTW(0, HFA384X_PARAM2_OFF);
if (hfa384x_cmd_no_wait(dev, HFA384X_CMDCODE_DOWNLOAD |
(HFA384X_PROGMODE_DISABLE << 8), param0)) {
printk(KERN_WARNING "%s: Download command execution failed\n",
dev->name);
ret = -1;
goto out;
}
/* ProgMode disable causes the hardware to restart itself from the
* given starting address. Give hw some time and ACK command just in
* case restart did not happen. */
mdelay(5);
HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF);
if (prism2_enable_aux_port(dev, 0)) {
printk(KERN_DEBUG "%s: Disabling AUX port failed\n",
dev->name);
/* continue anyway.. restart should have taken care of this */
}
mdelay(5);
local->hw_downloading = 0;
if (prism2_hw_config(dev, 2)) {
printk(KERN_WARNING "%s: Card configuration after RAM "
"download failed\n", dev->name);
ret = -1;
goto out;
}
out:
local->hw_downloading = 0;
return ret;
}
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))
dev->irq = 0;
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) {
hostap_netif_stop_queues(dev);
netif_device_detach(dev);
#ifdef HOSTAP_USE_RELEASE_TIMER
mod_timer(&link->release, jiffies + HZ / 20);
#else /* HOSTAP_USE_RELEASE_TIMER */
prism2_release((u_long) link);
#endif /* HOSTAP_USE_RELEASE_TIMER */
}
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) {
hostap_netif_stop_queues(dev);
netif_device_detach(dev);
}
CardServices(ReleaseConfiguration, 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) {
CardServices(RequestConfiguration, link->handle,
&link->conf);
if (link->open) {
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, 0);
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;
}
