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/*
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);
}
}
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