From: "Rafał Miłecki" <zajec5@gmail.com>
To: linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>
Cc: b43-dev@lists.infradead.org, "Rafał Miłecki" <zajec5@gmail.com>
Subject: [PATCH 2/6] b43: LCN-PHY: tweaks for channel switching
Date: Fri, 16 Sep 2011 12:33:59 +0200 [thread overview]
Message-ID: <1316169243-8808-2-git-send-email-zajec5@gmail.com> (raw)
In-Reply-To: <1316169243-8808-1-git-send-email-zajec5@gmail.com>
They have been taken from brcmsmac, add Broadcom's copyright.
Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/phy_lcn.c | 67 +++++++++++++++++++++++++++++++++--
1 files changed, 63 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_lcn.c b/drivers/net/wireless/b43/phy_lcn.c
index d1dfeec..06d8efc 100644
--- a/drivers/net/wireless/b43/phy_lcn.c
+++ b/drivers/net/wireless/b43/phy_lcn.c
@@ -20,6 +20,14 @@
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
+ This file incorporates work covered by the following copyright and
+ permission notice:
+
+ Copyright (c) 2010 Broadcom Corporation
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
*/
#include <linux/slab.h>
@@ -278,14 +286,50 @@ static void b43_phy_lcn_sense_setup(struct b43_wldev *dev)
* Channel switching ops.
**************************************************/
-static int b43_phy_lcn_set_channel(struct b43_wldev *dev,
- struct ieee80211_channel *channel,
- enum nl80211_channel_type channel_type)
+/* wlc_lcnphy_set_chanspec_tweaks */
+static void b43_phy_lcn_set_channel_tweaks(struct b43_wldev *dev, int channel)
{
- /* TODO: PLL and PHY ops */
+ struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc;
+
+ b43_phy_maskset(dev, 0x448, ~0x300, (channel == 14) ? 0x200 : 0x100);
+
+ if (channel == 1 || channel == 2 || channel == 3 || channel == 4 ||
+ channel == 9 || channel == 10 || channel == 11 || channel == 12) {
+ bcma_chipco_pll_write(cc, 0x2, 0x03000c04);
+ bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x0);
+ bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
+
+ bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400);
+
+ b43_phy_write(dev, 0x942, 0);
+
+ /* b43_phy_lcn_txrx_spur_avoidance_mode(dev, false); */
+ b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1b00);
+ b43_phy_write(dev, 0x425, 0x5907);
+ } else {
+ bcma_chipco_pll_write(cc, 0x2, 0x03140c04);
+ bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x333333);
+ bcma_chipco_pll_write(cc, 0x4, 0x202c2820);
+
+ bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400);
+
+ b43_phy_write(dev, 0x942, 0);
+
+ /* b43_phy_lcn_txrx_spur_avoidance_mode(dev, true); */
+ b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1f00);
+ b43_phy_write(dev, 0x425, 0x590a);
+ }
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
+}
+
+/* wlc_phy_chanspec_set_lcnphy */
+static int b43_phy_lcn_set_channel(struct b43_wldev *dev,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type)
+{
+ b43_phy_lcn_set_channel_tweaks(dev, channel->hw_value);
b43_phy_set(dev, 0x44a, 0x44);
b43_phy_write(dev, 0x44a, 0x80);
@@ -336,6 +380,8 @@ static void b43_phy_lcn_op_prepare_structs(struct b43_wldev *dev)
/* wlc_phy_init_lcnphy */
static int b43_phy_lcn_op_init(struct b43_wldev *dev)
{
+ struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc;
+
b43_phy_set(dev, 0x44a, 0x80);
b43_phy_mask(dev, 0x44a, 0x7f);
b43_phy_set(dev, 0x6d1, 0x80);
@@ -359,6 +405,19 @@ static int b43_phy_lcn_op_init(struct b43_wldev *dev)
b43_phy_lcn_sense_setup(dev);
+ b43_switch_channel(dev, dev->phy.channel);
+
+ bcma_chipco_regctl_maskset(cc, 0, 0xf, 0x9);
+ bcma_chipco_chipctl_maskset(cc, 0, 0, 0x03cddddd);
+
+ /* TODO */
+
+ b43_phy_set(dev, 0x448, 0x4000);
+ udelay(100);
+ b43_phy_mask(dev, 0x448, ~0x4000);
+
+ /* TODO */
+
return 0;
}
--
1.7.3.4
next prev parent reply other threads:[~2011-09-16 10:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-16 10:33 [PATCH 1/6] bcma: cc: export more control functions Rafał Miłecki
2011-09-16 10:33 ` Rafał Miłecki [this message]
2011-09-16 10:34 ` [PATCH 3/6] b43: LCN-PHY: set TX filters Rafał Miłecki
2011-09-16 10:34 ` [PATCH 4/6] b43: LCN-PHY: implement SPUR avoidance mode Rafał Miłecki
2011-09-16 10:34 ` [PATCH 5/6] b43: LCN-PHY: init TX power control Rafał Miłecki
2011-09-16 10:34 ` [PATCH 6/6] b43: LCN-PHY: add more init tweaks Rafał Miłecki
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