path: root/drivers/net/wireless/zd1211rw/zd_mac.c

/* ZD1211 USB-WLAN driver for Linux
 *
 * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
 * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
 * Copyright (C) 2006-2007 Michael Wu <flamingice@sourmilk.net>
 * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/usb.h>
#include <linux/jiffies.h>
#include <net/ieee80211_radiotap.h>

#include "zd_def.h"
#include "zd_chip.h"
#include "zd_mac.h"
#include "zd_ieee80211.h"
#include "zd_rf.h"

/* This table contains the hardware specific values for the modulation rates. */
static const struct ieee80211_rate zd_rates[] = {
	{ .rate = 10,
	  .val = ZD_CCK_RATE_1M,
	  .flags = IEEE80211_RATE_CCK },
	{ .rate = 20,
	  .val = ZD_CCK_RATE_2M,
	  .val2 = ZD_CCK_RATE_2M | ZD_CCK_PREA_SHORT,
	  .flags = IEEE80211_RATE_CCK_2 },
	{ .rate = 55,
	  .val = ZD_CCK_RATE_5_5M,
	  .val2 = ZD_CCK_RATE_5_5M | ZD_CCK_PREA_SHORT,
	  .flags = IEEE80211_RATE_CCK_2 },
	{ .rate = 110,
	  .val = ZD_CCK_RATE_11M,
	  .val2 = ZD_CCK_RATE_11M | ZD_CCK_PREA_SHORT,
	  .flags = IEEE80211_RATE_CCK_2 },
	{ .rate = 60,
	  .val = ZD_OFDM_RATE_6M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 90,
	  .val = ZD_OFDM_RATE_9M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 120,
	  .val = ZD_OFDM_RATE_12M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 180,
	  .val = ZD_OFDM_RATE_18M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 240,
	  .val = ZD_OFDM_RATE_24M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 360,
	  .val = ZD_OFDM_RATE_36M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 480,
	  .val = ZD_OFDM_RATE_48M,
	  .flags = IEEE80211_RATE_OFDM },
	{ .rate = 540,
	  .val = ZD_OFDM_RATE_54M,
	  .flags = IEEE80211_RATE_OFDM },
};

static const struct ieee80211_channel zd_channels[] = {
	{ .chan = 1,
	  .freq = 2412},
	{ .chan = 2,
	  .freq = 2417},
	{ .chan = 3,
	  .freq = 2422},
	{ .chan = 4,
	  .freq = 2427},
	{ .chan = 5,
	  .freq = 2432},
	{ .chan = 6,
	  .freq = 2437},
	{ .chan = 7,
	  .freq = 2442},
	{ .chan = 8,
	  .freq = 2447},
	{ .chan = 9,
	  .freq = 2452},
	{ .chan = 10,
	  .freq = 2457},
	{ .chan = 11,
	  .freq = 2462},
	{ .chan = 12,
	  .freq = 2467},
	{ .chan = 13,
	  .freq = 2472},
	{ .chan = 14,
	  .freq = 2484}
};

static void housekeeping_init(struct zd_mac *mac);
static void housekeeping_enable(struct zd_mac *mac);
static void housekeeping_disable(struct zd_mac *mac);

int zd_mac_preinit_hw(struct ieee80211_hw *hw)
{
	int r;
	u8 addr[ETH_ALEN];
	struct zd_mac *mac = zd_hw_mac(hw);

	r = zd_chip_read_mac_addr_fw(&mac->chip, addr);
	if (r)
		return r;

	SET_IEEE80211_PERM_ADDR(hw, addr);

	return 0;
}

int zd_mac_init_hw(struct ieee80211_hw *hw)
{
	int r;
	struct zd_mac *mac = zd_hw_mac(hw);
	struct zd_chip *<