/* Set the PowerSavingControlBits.
* Bitvalues:
* 0 => unset the bit
* 1 => set the bit
* -1 => calculate the bit
*/
void bcm43xx_power_saving_ctl_bits(struct bcm43xx_wldev *dev,
int bit25, int bit26)
{
int i;
u32 status;
//FIXME: Force 25 to off and 26 to on for now:
bit25 = 0;
bit26 = 1;
if (bit25 == -1) {
//TODO: If powersave is not off and FIXME is not set and we are not in adhoc
// and thus is not an AP and we are associated, set bit 25
}
if (bit26 == -1) {
//TODO: If the device is awake or this is an AP, or we are scanning, or FIXME,
// or we are associated, or FIXME, or the latest PS-Poll packet sent was
// successful, set bit26
}
status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD);
if (bit25)
status |= BCM43xx_SBF_PS1;
else
status &= ~BCM43xx_SBF_PS1;
if (bit26)
status |= BCM43xx_SBF_PS2;
else
status &= ~BCM43xx_SBF_PS2;
bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, status);
if (bit26 && dev->dev->id.revision >= 5) {
for (i = 0; i < 100; i++) {
if (bcm43xx_shm_read32(dev, BCM43xx_SHM_SHARED, 0x0040) != 4)
break;
udelay(10);
}
}
}
static ssize_t devinfo_read_file(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
const size_t len = REALLY_BIG_BUFFER_SIZE;
struct bcm43xx_private *bcm = file->private_data;
char *buf = really_big_buffer;
size_t pos = 0;
ssize_t res;
struct net_device *net_dev;
struct pci_dev *pci_dev;
unsigned long flags;
u16 tmp16;
int i;
down(&big_buffer_sem);
bcm43xx_lock_mmio(bcm, flags);
if (!bcm->initialized) {
fappend("Board not initialized.\n");
goto out;
}
net_dev = bcm->net_dev;
pci_dev = bcm->pci_dev;
/* This is where the information is written to the "devinfo" file */
fappend("*** %s devinfo ***\n", net_dev->name);
fappend("vendor: 0x%04x device: 0x%04x\n",
pci_dev->vendor, pci_dev->device);
fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n",
pci_dev->subsystem_vendor, pci_dev->subsystem_device);
fappend("IRQ: %d\n", bcm->irq);
fappend("mmio_addr: 0x%p mmio_len: %u\n", bcm->mmio_addr, bcm->mmio_len);
fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev);
if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16)))
fappend("Radio disabled by hardware!\n");
if ((bcm->core_80211[0].rev < 3) && !(bcm43xx_read16(bcm, 0x049A) & (1 << 4)))
fappend("Radio disabled by hardware!\n");
fappend("board_vendor: 0x%04x board_type: 0x%04x\n", bcm->board_vendor,
bcm->board_type);
fappend("\nCores:\n");
#define fappend_core(name, info) fappend("core \"" name "\" %s, %s, id: 0x%04x, " \
"rev: 0x%02x, index: 0x%02x\n", \
(info).available \
? "available" : "nonavailable", \
(info).enabled \
? "enabled" : "disabled", \
(info).id, (info).rev, (info).index)
fappend_core("CHIPCOMMON", bcm->core_chipcommon);
fappend_core("PCI", bcm->core_pci);
fappend_core("first 80211", bcm->core_80211[0]);
fappend_core("second 80211", bcm->core_80211[1]);
#undef fappend_core
tmp16 = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL);
fappend("LEDs: ");
for (i = 0; i < BCM43xx_NR_LEDS; i++)
fappend("%d ", !!(tmp16 & (1 << i)));
fappend("\n");
out:
bcm43xx_unlock_mmio(bcm, flags);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
up(&big_buffer_sem);
return res;
}
