From 6c1bb9276c492c803611e63fa6fab8276c02ee70 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 31 Jan 2009 16:52:29 +0100 Subject: b43: Add LP-PHY baseband init for >=rev2 This adds code for the baseband init of LP-PHY >=2. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/tables_lpphy.c | 89 +++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 drivers/net/wireless/b43/tables_lpphy.c (limited to 'drivers/net/wireless/b43/tables_lpphy.c') 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 + + 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); + } +} -- cgit v1.2.3