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@xxxxxxxxx>
---
The interesting part of MMIO dump:
phy_write(0x01ce) <- 0x03dd
phy_write(0x01cf) <- 0x03d9
phy_write(0x01d0) <- 0x03d5
phy_write(0x01d1) <- 0x0424
phy_write(0x01d2) <- 0x0429
phy_write(0x01d3) <- 0x042d
>>> Uploading PHY tables end
>>> Some magic ops start
phy_read(0x00b0) -> 0x0df7
phy_read(0x00b0) -> 0x0df7
phy_write(0x00b0) <- 0x0df7
phy_read(0x0c0a) -> 0x0100
phy_write(0x0c0a) <- 0x0100
>>> Some magic ops end
phy_write(0x0072) <- 0x68e8
phy_read(0x0073) -> 0x0033
phy_read(0x0074) -> 0x1019
phy_read(0x0908) -> 0x0000
phy_write(0x0908) <- 0x0000
phy_write(0x0072) <- 0x1d10
phy_write(0x0073) <- 0x1019
phy_write(0x0072) <- 0x3463
phy_write(0x0073) <- 0x0033
phy_write(0x0072) <- 0x3473
phy_write(0x0073) <- 0x0033
phy_write(0x0072) <- 0x68e8
phy_read(0x0073) -> 0x0033
phy_read(0x0074) -> 0x1019
phy_read(0x0908) -> 0x0000
phy_write(0x0908) <- 0x0000
phy_write(0x0072) <- 0x1d11
phy_write(0x0073) <- 0x1019
phy_write(0x0072) <- 0x3467
phy_write(0x0073) <- 0x0033
phy_write(0x0072) <- 0x3477
phy_write(0x0073) <- 0x0033
phy_write(0x0072) <- 0x68e8
phy_read(0x0073) -> 0x0033
phy_read(0x0074) -> 0x1019
phy_read(0x0908) -> 0x0000
phy_write(0x0908) <- 0x0000
phy_write(0x0072) <- 0x1d12
phy_write(0x0073) <- 0x1019
phy_write(0x0072) <- 0x346b
phy_write(0x0073) <- 0x0033
phy_write(0x0072) <- 0x347b
phy_write(0x0073) <- 0x0033
---
drivers/net/wireless/b43/phy_ht.c | 19 +++++++++++++++++++
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 c48bcf6..42bea30 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,
--
1.7.1
--
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