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path: root/drivers/net/wireless/b43/tables_lpphy.c
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Diffstat (limited to 'drivers/net/wireless/b43/tables_lpphy.c')
-rw-r--r--drivers/net/wireless/b43/tables_lpphy.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/tables_lpphy.c b/drivers/net/wireless/b43/tables_lpphy.c
new file mode 100644
index 000000000000..c9cff8b6827e
--- /dev/null
+++ b/drivers/net/wireless/b43/tables_lpphy.c
@@ -0,0 +1,89 @@
+/*
+
+ Broadcom B43 wireless driver
+ IEEE 802.11g LP-PHY and radio device data tables
+
+ Copyright (c) 2009 Michael Buesch <mb@bu3sch.de>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+*/
+
+#include "b43.h"
+#include "tables_lpphy.h"
+#include "phy_common.h"
+#include "phy_lp.h"
+
+
+u32 b43_lptab_read(struct b43_wldev *dev, u32 offset)
+{
+ u32 type, value;
+
+ type = offset & B43_LPTAB_TYPEMASK;
+ offset &= ~B43_LPTAB_TYPEMASK;
+ B43_WARN_ON(offset > 0xFFFF);
+
+ switch (type) {
+ case B43_LPTAB_8BIT:
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO) & 0xFF;
+ break;
+ case B43_LPTAB_16BIT:
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO);
+ break;
+ case B43_LPTAB_32BIT:
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ value = b43_phy_read(dev, B43_LPPHY_TABLEDATAHI);
+ value <<= 16;
+ value |= b43_phy_read(dev, B43_LPPHY_TABLEDATALO);
+ break;
+ default:
+ B43_WARN_ON(1);
+ value = 0;
+ }
+
+ return value;
+}
+
+void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value)
+{
+ u32 type;
+
+ type = offset & B43_LPTAB_TYPEMASK;
+ offset &= ~B43_LPTAB_TYPEMASK;
+ B43_WARN_ON(offset > 0xFFFF);
+
+ switch (type) {
+ case B43_LPTAB_8BIT:
+ B43_WARN_ON(value & ~0xFF);
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value);
+ break;
+ case B43_LPTAB_16BIT:
+ B43_WARN_ON(value & ~0xFFFF);
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value);
+ break;
+ case B43_LPTAB_32BIT:
+ b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset);
+ b43_phy_write(dev, B43_LPPHY_TABLEDATAHI, value >> 16);
+ b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value);
+ break;
+ default:
+ B43_WARN_ON(1);
+ }
+}