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authorRafał Miłecki <zajec5@gmail.com>2011-06-27 14:58:52 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-06-29 20:53:24 +0200
commite5b61007bc15b34fe78d4100dbe1be209b761d9b (patch)
tree65e291b9abefe936d2fc5a905c1d171955ad14ad
parentb43: HT-PHY: upload PHY values when switching channel (diff)
downloadlinux-e5b61007bc15b34fe78d4100dbe1be209b761d9b.tar.xz
linux-e5b61007bc15b34fe78d4100dbe1be209b761d9b.zip
b43: HT-PHY: perform some tables ops on channel switching
Starring at MMIO dumps around PHY channel switching has led to finding serie of 3 similar ops this patch implements. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/b43/phy_ht.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c
index c48bcf6b7d16..42bea3041e57 100644
--- a/drivers/net/wireless/b43/phy_ht.c
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -24,6 +24,7 @@
#include "b43.h"
#include "phy_ht.h"
+#include "tables_phy_ht.h"
#include "radio_2059.h"
#include "main.h"
@@ -83,6 +84,7 @@ static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
struct ieee80211_channel *new_channel)
{
bool old_band_5ghz;
+ u8 i;
old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */
if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
@@ -97,6 +99,23 @@ static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);
+
+ /* TODO: some ops on PHY regs 0x0B0 and 0xC0A */
+
+ /* TODO: separated function? */
+ for (i = 0; i < 3; i++) {
+ u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8));
+
+ /* TODO: some op on PHY reg 0x908 */
+
+ b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16);
+ b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)),
+ tmp & 0xFF);
+ b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)),
+ tmp & 0xFF);
+ }
+
+ b43_phy_write(dev, 0x017e, 0x3830);
}
static int b43_phy_ht_set_channel(struct b43_wldev *dev,