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Commit e5b61007 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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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: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent bdb2dfb2

drivers/net/wireless/b43/phy_ht.c

+19 −0
Original line number Diff line number Diff line
@@ -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,