phy_lcn.c

/*

  Broadcom B43 wireless driver
  IEEE 802.11n LCN-PHY support

  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 <linux/slab.h>

#include "b43.h"
#include "phy_lcn.h"
#include "tables_phy_lcn.h"
#include "main.h"

/**************************************************
 * Basic PHY ops.
 **************************************************/

static int b43_phy_lcn_op_allocate(struct b43_wldev *dev)
{
	struct b43_phy_lcn *phy_lcn;

	phy_lcn = kzalloc(sizeof(*phy_lcn), GFP_KERNEL);
	if (!phy_lcn)
		return -ENOMEM;
	dev->phy.lcn = phy_lcn;

	return 0;
}

static void b43_phy_lcn_op_free(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_lcn *phy_lcn = phy->lcn;

	kfree(phy_lcn);
	phy->lcn = NULL;
}

static void b43_phy_lcn_op_prepare_structs(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_lcn *phy_lcn = phy->lcn;

	memset(phy_lcn, 0, sizeof(*phy_lcn));
}

static void b43_phy_lcn_op_software_rfkill(struct b43_wldev *dev,
					bool blocked)
{
	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
		b43err(dev->wl, "MAC not suspended\n");

	if (blocked) {
		b43_phy_mask(dev, B43_PHY_LCN_RF_CTL2, ~0x7c00);
		b43_phy_set(dev, B43_PHY_LCN_RF_CTL1, 0x1f00);

		b43_phy_mask(dev, B43_PHY_LCN_RF_CTL5, ~0x7f00);
		b43_phy_mask(dev, B43_PHY_LCN_RF_CTL4, ~0x2);
		b43_phy_set(dev, B43_PHY_LCN_RF_CTL3, 0x808);

		b43_phy_mask(dev, B43_PHY_LCN_RF_CTL7, ~0x8);
		b43_phy_set(dev, B43_PHY_LCN_RF_CTL6, 0x8);
	} else {
		/* TODO */
	}
}

static void b43_phy_lcn_op_switch_analog(struct b43_wldev *dev, bool on)
{
	if (on) {
		b43_phy_mask(dev, B43_PHY_LCN_AFE_CTL1, ~0x7);
	} else {
		b43_phy_set(dev, B43_PHY_LCN_AFE_CTL2, 0x7);
		b43_phy_set(dev, B43_PHY_LCN_AFE_CTL1, 0x7);
	}
}

static unsigned int b43_phy_lcn_op_get_default_chan(struct b43_wldev *dev)
{
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		return 1;
	return 36;
}

static enum b43_txpwr_result
b43_phy_lcn_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
{
	return B43_TXPWR_RES_DONE;
}

static void b43_phy_lcn_op_adjust_txpower(struct b43_wldev *dev)
{
}

/**************************************************
 * PHY ops struct.
 **************************************************/

const struct b43_phy_operations b43_phyops_lcn = {
	.allocate		= b43_phy_lcn_op_allocate,
	.free			= b43_phy_lcn_op_free,
	.prepare_structs	= b43_phy_lcn_op_prepare_structs,
	/*
	.init			= b43_phy_lcn_op_init,
	.phy_read		= b43_phy_lcn_op_read,
	.phy_write		= b43_phy_lcn_op_write,
	.phy_maskset		= b43_phy_lcn_op_maskset,
	.radio_read		= b43_phy_lcn_op_radio_read,
	.radio_write		= b43_phy_lcn_op_radio_write,
	*/
	.software_rfkill	= b43_phy_lcn_op_software_rfkill,
	.switch_analog		= b43_phy_lcn_op_switch_analog,
	/*
	.switch_channel		= b43_phy_lcn_op_switch_channel,
	*/
	.get_default_chan	= b43_phy_lcn_op_get_default_chan,
	.recalc_txpower		= b43_phy_lcn_op_recalc_txpower,
	.adjust_txpower		= b43_phy_lcn_op_adjust_txpower,
};