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authorRafał Miłecki <zajec5@gmail.com>2011-08-28 19:59:28 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 15:42:30 -0400
commit765b07e46725287ceb1be648b6cb5988fbb585f2 (patch)
treef2a0537589b93b6466d86c49a99682f2c4c1df02 /drivers/net/wireless/b43
parentd703a5ae3ab33226d143917051666fe20b528d9e (diff)
b43: LCN-PHY: implement saving and restoring PHY & radio configuration
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r--drivers/net/wireless/b43/phy_lcn.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_lcn.c b/drivers/net/wireless/b43/phy_lcn.c
index 483953665d0..b617e1f8ca2 100644
--- a/drivers/net/wireless/b43/phy_lcn.c
+++ b/drivers/net/wireless/b43/phy_lcn.c
@@ -213,6 +213,39 @@ static void b43_phy_lcn_pre_radio_init(struct b43_wldev *dev)
/* TODO: more ops */
}
+static void b43_phy_lcn_save_configsth_restore(struct b43_wldev *dev)
+{
+ u8 i;
+
+ u16 save_radio_regs[6][2] = {
+ { 0x007, 0 }, { 0x0ff, 0 }, { 0x11f, 0 }, { 0x005, 0 },
+ { 0x025, 0 }, { 0x112, 0 },
+ };
+ u16 save_phy_regs[14][2] = {
+ { 0x503, 0 }, { 0x4a4, 0 }, { 0x4d0, 0 }, { 0x4d9, 0 },
+ { 0x4da, 0 }, { 0x4a6, 0 }, { 0x938, 0 }, { 0x939, 0 },
+ { 0x4d8, 0 }, { 0x4d0, 0 }, { 0x4d7, 0 }, { 0x4a5, 0 },
+ { 0x40d, 0 }, { 0x4a2, 0 },
+ };
+ u16 save_radio_4a4;
+
+ for (i = 0; i < 6; i++)
+ save_radio_regs[i][1] = b43_radio_read(dev,
+ save_radio_regs[i][0]);
+ for (i = 0; i < 14; i++)
+ save_phy_regs[i][1] = b43_phy_read(dev, save_phy_regs[i][0]);
+ save_radio_4a4 = b43_radio_read(dev, 0x4a4);
+
+ /* TODO: config sth */
+
+ for (i = 0; i < 6; i++)
+ b43_radio_write(dev, save_radio_regs[i][0],
+ save_radio_regs[i][1]);
+ for (i = 0; i < 14; i++)
+ b43_phy_write(dev, save_phy_regs[i][0], save_phy_regs[i][1]);
+ b43_radio_write(dev, 0x4a4, save_radio_4a4);
+}
+
/**************************************************
* Channel switching ops.
**************************************************/
@@ -297,6 +330,8 @@ static int b43_phy_lcn_op_init(struct b43_wldev *dev)
else
B43_WARN_ON(1);
+ b43_phy_lcn_save_configsth_restore(dev);
+
return 0;
}