b43: Fix TBTT and PU timings
This fixes some timings for pre-TBTT and synthetic PU.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 3fb4ef8..6ecaf84 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3690,6 +3690,41 @@
long_retry);
}
+static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle)
+{
+ u16 pu_delay;
+
+ /* The time value is in microseconds. */
+ if (dev->phy.type == B43_PHYTYPE_A)
+ pu_delay = 3700;
+ else
+ pu_delay = 1050;
+ if ((dev->wl->if_type == IEEE80211_IF_TYPE_IBSS) || idle)
+ pu_delay = 500;
+ if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
+ pu_delay = max(pu_delay, (u16)2400);
+
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay);
+}
+
+/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */
+static void b43_set_pretbtt(struct b43_wldev *dev)
+{
+ u16 pretbtt;
+
+ /* The time value is in microseconds. */
+ if (dev->wl->if_type == IEEE80211_IF_TYPE_IBSS) {
+ pretbtt = 2;
+ } else {
+ if (dev->phy.type == B43_PHYTYPE_A)
+ pretbtt = 120;
+ else
+ pretbtt = 250;
+ }
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt);
+ b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt);
+}
+
/* Shutdown a wireless core */
/* Locking: wl->mutex */
static void b43_wireless_core_exit(struct b43_wldev *dev)
@@ -3821,14 +3856,7 @@
if (err)
goto err_chip_exit;
b43_qos_init(dev);
-
-//FIXME
-#if 1
- b43_write16(dev, 0x0612, 0x0050);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0416, 0x0050);
- b43_shm_write16(dev, B43_SHM_SHARED, 0x0414, 0x01F4);
-#endif
-
+ b43_set_synth_pu_delay(dev, 1);
b43_bluetooth_coext_enable(dev);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
@@ -3888,6 +3916,8 @@
spin_lock_irqsave(&wl->irq_lock, flags);
b43_adjust_opmode(dev);
+ b43_set_pretbtt(dev);
+ b43_set_synth_pu_delay(dev, 0);
b43_upload_card_macaddress(dev);
spin_unlock_irqrestore(&wl->irq_lock, flags);