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