path: root/drivers/net/wireless/ath/ath9k/htc_drv_init.c

/*
 * Copyright (c) 2010 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "htc.h"

MODULE_AUTHOR("Atheros Communications");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("Atheros driver 802.11n HTC based wireless devices");

static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
module_param_named(debug, ath9k_debug, uint, 0);
MODULE_PARM_DESC(debug, "Debugging mask");

int htc_modparam_nohwcrypt;
module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");

#define CHAN2G(_freq, _idx)  { \
	.center_freq = (_freq), \
	.hw_value = (_idx), \
	.max_power = 20, \
}

#define CHAN5G(_freq, _idx) { \
	.band = IEEE80211_BAND_5GHZ, \
	.center_freq = (_freq), \
	.hw_value = (_idx), \
	.max_power = 20, \
}

#define ATH_HTC_BTCOEX_PRODUCT_ID "wb193"

static struct ieee80211_channel ath9k_2ghz_channels[] = {
	CHAN2G(2412, 0), /* Channel 1 */
	CHAN2G(2417, 1), /* Channel 2 */
	CHAN2G(2422, 2), /* Channel 3 */
	CHAN2G(2427, 3), /* Channel 4 */
	CHAN2G(2432, 4), /* Channel 5 */
	CHAN2G(2437, 5), /* Channel 6 */
	CHAN2G(2442, 6), /* Channel 7 */
	CHAN2G(2447, 7), /* Channel 8 */
	CHAN2G(2452, 8), /* Channel 9 */
	CHAN2G(2457, 9), /* Channel 10 */
	CHAN2G(2462, 10), /* Channel 11 */
	CHAN2G(2467, 11), /* Channel 12 */
	CHAN2G(2472, 12), /* Channel 13 */
	CHAN2G(2484, 13), /* Channel 14 */
};

static struct ieee80211_channel ath9k_5ghz_channels[] = {
	/* _We_ call this UNII 1 */
	CHAN5G(5180, 14), /* Channel 36 */
	CHAN5G(5200, 15), /* Channel 40 */
	CHAN5G(5220, 16), /* Channel 44 */
	CHAN5G(5240, 17), /* Channel 48 */
	/* _We_ call this UNII 2 */
	CHAN5G(5260, 18), /* Channel 52 */
	CHAN5G(5280, 19), /* Channel 56 */
	CHAN5G(5300, 20), /* Channel 60 */
	CHAN5G(5320, 21), /* Channel 64 */
	/* _We_ call this "Middle band" */
	CHAN5G(5500, 22), /* Channel 100 */
	CHAN5G(5520, 23), /* Channel 104 */
	CHAN5G(5540, 24), /* Channel 108 */
	CHAN5G(5560, 25), /* Channel 112 */
	CHAN5G(5580, 26), /* Channel 116 */
	CHAN5G(5600, 27), /* Channel 120 */
	CHAN5G(5620, 28), /* Channel 124 */
	CHAN5G(5640, 29), /* Channel 128 */
	CHAN5G(5660, 30), /* Channel 132 */
	CHAN5G(5680, 31), /* Channel 136 */
	CHAN5G(5700, 32), /* Channel 140 */
	/* _We_ call this UNII 3 */
	CHAN5G(5745, 33), /* Channel 149 */
	CHAN5G(5765, 34), /* Channel 153 */
	CHAN5G(5785, 35), /* Channel 157 */
	CHAN5G(5805, 36), /* Channel 161 */
	CHAN5G(5825, 37), /* Channel 165 */
};

/* Atheros hardware rate code addition for short premble */
#define SHPCHECK(__hw_rate, __flags) \
	((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04) : 0)

#define RATE(_bitrate, _hw_rate, _flags) {		\
	.bitrate	= (_bitrate),			\
	.flags		= (_flags),			\
	.hw_value	= (_hw_rate),			\
	.hw_value_short = (SHPCHECK(_hw_rate, _flags))	\
}

static struct ieee80211_rate ath9k_legacy_rates[] = {
	RATE(10, 0x1b, 0),
	RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp : 0x1e */
	RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp: 0x1d */
	RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE), /* short: 0x1c */
	RATE(60, 0x0b, 0),
	RATE(90, 0x0f, 0),
	RATE(120, 0x0a, 0),
	RATE(180, 0x0e, 0),
	RATE(240, 0x09, 0),
	RATE(360, 0x0d, 0),
	RATE(480, 0x08, 0),
	RATE(540, 0x0c, 0),
};

#ifdef CONFIG_MAC80211_LEDS
static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
	{ .throughput = 0 * 1024, .blink_time = 334 },
	{ .throughput = 1 * 1024,