Commit 1a931392 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: HT-PHY: prepare place for HT-PHY tables 



They are big arrays uploaded to the hardware on init, calibration, etc.

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3be3fdb5

drivers/net/wireless/b43/Makefile

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@@ -11,6 +11,7 @@ b43-$(CONFIG_B43_PHY_N) += phy_n.o 
b43-$(CONFIG_B43_PHY_LP)	+= phy_lp.o

b43-$(CONFIG_B43_PHY_LP)	+= tables_lpphy.o

b43-$(CONFIG_B43_PHY_HT)	+= phy_ht.o

b43-$(CONFIG_B43_PHY_HT)	+= tables_phy_ht.o

b43-$(CONFIG_B43_PHY_HT)	+= radio_2059.o

b43-y				+= sysfs.o

b43-y				+= xmit.o

drivers/net/wireless/b43/tables_phy_ht.c

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/*



  Broadcom B43 wireless driver

  IEEE 802.11n HT-PHY data tables



  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_phy_ht.h"

#include "phy_common.h"

#include "phy_ht.h"



u32 b43_httab_read(struct b43_wldev *dev, u32 offset)

{

	u32 type, value;



	type = offset & B43_HTTAB_TYPEMASK;

	offset &= ~B43_HTTAB_TYPEMASK;

	B43_WARN_ON(offset > 0xFFFF);



	switch (type) {

	case B43_HTTAB_8BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO) & 0xFF;

		break;

	case B43_HTTAB_16BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);

		break;

	case B43_HTTAB_32BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		value = b43_phy_read(dev, B43_PHY_HT_TABLE_DATAHI);

		value <<= 16;

		value |= b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);

		break;

	default:

		B43_WARN_ON(1);

		value = 0;

	}



	return value;

}



void b43_httab_read_bulk(struct b43_wldev *dev, u32 offset,

			 unsigned int nr_elements, void *_data)

{

	u32 type;

	u8 *data = _data;

	unsigned int i;



	type = offset & B43_HTTAB_TYPEMASK;

	offset &= ~B43_HTTAB_TYPEMASK;

	B43_WARN_ON(offset > 0xFFFF);



	b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);



	for (i = 0; i < nr_elements; i++) {

		switch (type) {

		case B43_HTTAB_8BIT:

			*data = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO) & 0xFF;

			data++;

			break;

		case B43_HTTAB_16BIT:

			*((u16 *)data) = b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);

			data += 2;

			break;

		case B43_HTTAB_32BIT:

			*((u32 *)data) = b43_phy_read(dev, B43_PHY_HT_TABLE_DATAHI);

			*((u32 *)data) <<= 16;

			*((u32 *)data) |= b43_phy_read(dev, B43_PHY_HT_TABLE_DATALO);

			data += 4;

			break;

		default:

			B43_WARN_ON(1);

		}

	}

}



void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value)

{

	u32 type;



	type = offset & B43_HTTAB_TYPEMASK;

	offset &= 0xFFFF;



	switch (type) {

	case B43_HTTAB_8BIT:

		B43_WARN_ON(value & ~0xFF);

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

		break;

	case B43_HTTAB_16BIT:

		B43_WARN_ON(value & ~0xFFFF);

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

		break;

	case B43_HTTAB_32BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, value >> 16);

		b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value & 0xFFFF);

		break;

	default:

		B43_WARN_ON(1);

	}



	return;

}



void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,

			  unsigned int nr_elements, const void *_data)

{

	u32 type, value;

	const u8 *data = _data;

	unsigned int i;



	type = offset & B43_HTTAB_TYPEMASK;

	offset &= ~B43_HTTAB_TYPEMASK;

	B43_WARN_ON(offset > 0xFFFF);



	b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);



	for (i = 0; i < nr_elements; i++) {

		switch (type) {

		case B43_HTTAB_8BIT:

			value = *data;

			data++;

			B43_WARN_ON(value & ~0xFF);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

			break;

		case B43_HTTAB_16BIT:

			value = *((u16 *)data);

			data += 2;

			B43_WARN_ON(value & ~0xFFFF);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

			break;

		case B43_HTTAB_32BIT:

			value = *((u32 *)data);

			data += 4;

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, value >> 16);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO,

					value & 0xFFFF);

			break;

		default:

			B43_WARN_ON(1);

		}

	}

}

drivers/net/wireless/b43/tables_phy_ht.h

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#ifndef B43_TABLES_PHY_HT_H_

#define B43_TABLES_PHY_HT_H_



/* The HT-PHY tables. */

#define B43_HTTAB_TYPEMASK		0xF0000000

#define B43_HTTAB_8BIT			0x10000000

#define B43_HTTAB_16BIT			0x20000000

#define B43_HTTAB_32BIT			0x30000000

#define B43_HTTAB8(table, offset)	(((table) << 10) | (offset) | B43_HTTAB_8BIT)

#define B43_HTTAB16(table, offset)	(((table) << 10) | (offset) | B43_HTTAB_16BIT)

#define B43_HTTAB32(table, offset)	(((table) << 10) | (offset) | B43_HTTAB_32BIT)



u32 b43_httab_read(struct b43_wldev *dev, u32 offset);

void b43_httab_read_bulk(struct b43_wldev *dev, u32 offset,

			 unsigned int nr_elements, void *_data);

void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value);

void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,

			  unsigned int nr_elements, const void *_data);



#endif /* B43_TABLES_PHY_HT_H_ */