This fixes some timings for pre-TBTT and synthetic PU.
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
---
John, please queue for 2.6.26
Stefano, you might want to port this.
Index: wireless-testing/drivers/net/wireless/b43/b43.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/b43.h 2008-04-03 18:03:54.000000000 +0200
+++ wireless-testing/drivers/net/wireless/b43/b43.h 2008-04-03 18:04:20.000000000 +0200
@@ -108,12 +108,13 @@
#define B43_MMIO_RCMTA_COUNT 0x43C
#define B43_MMIO_RADIO_HWENABLED_LO 0x49A
#define B43_MMIO_GPIO_CONTROL 0x49C
#define B43_MMIO_GPIO_MASK 0x49E
#define B43_MMIO_TSF_CFP_START_LOW 0x604
#define B43_MMIO_TSF_CFP_START_HIGH 0x606
+#define B43_MMIO_TSF_CFP_PRETBTT 0x612
#define B43_MMIO_TSF_0 0x632 /* core rev < 3 only */
#define B43_MMIO_TSF_1 0x634 /* core rev < 3 only */
#define B43_MMIO_TSF_2 0x636 /* core rev < 3 only */
#define B43_MMIO_TSF_3 0x638 /* core rev < 3 only */
#define B43_MMIO_RNG 0x65A
#define B43_MMIO_IFSCTL 0x688 /* Interframe space control */
Index: wireless-testing/drivers/net/wireless/b43/main.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/main.c 2008-04-03 18:03:54.000000000 +0200
+++ wireless-testing/drivers/net/wireless/b43/main.c 2008-04-03 18:23:20.000000000 +0200
@@ -3687,12 +3687,47 @@ static void b43_set_retry_limits(struct
b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
short_retry);
b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
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)
{
struct b43_phy *phy = &dev->phy;
u32 macctl;
@@ -3818,20 +3853,13 @@ static int b43_wireless_core_init(struct
dev->__using_pio_transfers = 0;
err = b43_dma_init(dev);
}
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 */
b43_upload_card_macaddress(dev);
b43_security_init(dev);
if (!dev->suspend_in_progress)
@@ -3885,12 +3913,14 @@ static int b43_op_add_interface(struct i
wl->vif = conf->vif;
wl->if_type = conf->type;
memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN);
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);
err = 0;
out_mutex_unlock:
mutex_unlock(&wl->mutex);
--
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