b43: HT-PHY: prepare place for HT-PHY tables
They are big arrays uploaded to the hardware on init, calibration, etc. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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3 changed files with 183 additions and 0 deletions
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@ -11,6 +11,7 @@ b43-$(CONFIG_B43_PHY_N) += phy_n.o
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b43-$(CONFIG_B43_PHY_LP) += phy_lp.o
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b43-$(CONFIG_B43_PHY_LP) += tables_lpphy.o
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b43-$(CONFIG_B43_PHY_HT) += phy_ht.o
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b43-$(CONFIG_B43_PHY_HT) += tables_phy_ht.o
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b43-$(CONFIG_B43_PHY_HT) += radio_2059.o
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b43-y += sysfs.o
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b43-y += xmit.o
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162
drivers/net/wireless/b43/tables_phy_ht.c
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162
drivers/net/wireless/b43/tables_phy_ht.c
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/*
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Broadcom B43 wireless driver
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IEEE 802.11n HT-PHY data tables
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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_phy_ht.h"
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#include "phy_common.h"
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#include "phy_ht.h"
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u32 b43_httab_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_HTTAB_TYPEMASK;
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offset &= ~B43_HTTAB_TYPEMASK;
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B43_WARN_ON(offset > 0xFFFF);
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switch (type) {
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case B43_HTTAB_8BIT:
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO) & 0xFF;
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break;
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case B43_HTTAB_16BIT:
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);
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break;
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case B43_HTTAB_32BIT:
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATAHI);
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value <<= 16;
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value |= b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);
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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_httab_read_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, void *_data)
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{
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u32 type;
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u8 *data = _data;
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unsigned int i;
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type = offset & B43_HTTAB_TYPEMASK;
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offset &= ~B43_HTTAB_TYPEMASK;
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B43_WARN_ON(offset > 0xFFFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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for (i = 0; i < nr_elements; i++) {
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switch (type) {
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case B43_HTTAB_8BIT:
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*data = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO) & 0xFF;
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data++;
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break;
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case B43_HTTAB_16BIT:
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*((u16 *)data) = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);
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data += 2;
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break;
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case B43_HTTAB_32BIT:
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*((u32 *)data) = b43_phy_read(dev, B43_PHY_HT_TABLE_DATAHI);
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*((u32 *)data) <<= 16;
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*((u32 *)data) |= b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);
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data += 4;
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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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}
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void b43_httab_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_HTTAB_TYPEMASK;
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offset &= 0xFFFF;
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switch (type) {
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case B43_HTTAB_8BIT:
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B43_WARN_ON(value & ~0xFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
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break;
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case B43_HTTAB_16BIT:
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B43_WARN_ON(value & ~0xFFFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
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break;
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case B43_HTTAB_32BIT:
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, value >> 16);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value & 0xFFFF);
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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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return;
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}
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void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, const void *_data)
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{
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u32 type, value;
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const u8 *data = _data;
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unsigned int i;
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type = offset & B43_HTTAB_TYPEMASK;
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offset &= ~B43_HTTAB_TYPEMASK;
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B43_WARN_ON(offset > 0xFFFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
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for (i = 0; i < nr_elements; i++) {
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switch (type) {
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case B43_HTTAB_8BIT:
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value = *data;
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data++;
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B43_WARN_ON(value & ~0xFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
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break;
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case B43_HTTAB_16BIT:
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value = *((u16 *)data);
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data += 2;
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B43_WARN_ON(value & ~0xFFFF);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
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break;
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case B43_HTTAB_32BIT:
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value = *((u32 *)data);
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data += 4;
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, value >> 16);
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b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO,
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value & 0xFFFF);
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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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}
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20
drivers/net/wireless/b43/tables_phy_ht.h
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20
drivers/net/wireless/b43/tables_phy_ht.h
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#ifndef B43_TABLES_PHY_HT_H_
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#define B43_TABLES_PHY_HT_H_
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/* The HT-PHY tables. */
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#define B43_HTTAB_TYPEMASK 0xF0000000
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#define B43_HTTAB_8BIT 0x10000000
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#define B43_HTTAB_16BIT 0x20000000
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#define B43_HTTAB_32BIT 0x30000000
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#define B43_HTTAB8(table, offset) (((table) << 10) | (offset) | B43_HTTAB_8BIT)
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#define B43_HTTAB16(table, offset) (((table) << 10) | (offset) | B43_HTTAB_16BIT)
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#define B43_HTTAB32(table, offset) (((table) << 10) | (offset) | B43_HTTAB_32BIT)
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u32 b43_httab_read(struct b43_wldev *dev, u32 offset);
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void b43_httab_read_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, void *_data);
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void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value);
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void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,
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unsigned int nr_elements, const void *_data);
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#endif /* B43_TABLES_PHY_HT_H_ */
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