/*
* Copyright (c) 2010-2011 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#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");
static int ath9k_htc_btcoex_enable;
module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
static int ath9k_ps_enable;
module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
int htc_use_dev_fw = 0;
module_param_named(use_dev_fw, htc_use_dev_fw, int, 0444);
MODULE_PARM_DESC(use_dev_fw, "Use development FW version");
#ifdef CONFIG_MAC80211_LEDS
int ath9k_htc_led_blink = 1;
module_param_named(blink, ath9k_htc_led_blink, int, 0444);
MODULE_PARM_DESC(blink, "Enable LED blink on activity");
static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
{ .throughput = 0 * 1024, .blink_time = 334 },
{ .throughput = 1 * 1024, .blink_time = 260 },
{ .throughput = 5 * 1024, .blink_time = 220 },
{ .throughput = 10 * 1024, .blink_time = 190 },
{ .throughput = 20 * 1024, .blink_time = 170 },
{ .throughput = 50 * 1024, .blink_time = 150 },
{ .throughput = 70 * 1024, .blink_time = 130 },
{ .throughput = 100 * 1024, .blink_time = 110 },
{ .throughput = 200 * 1024, .blink_time = 80 },
{ .throughput = 300 * 1024, .blink_time = 50 },
};
#endif
static void ath9k_htc_op_ps_wakeup(struct ath_common *common)
{
ath9k_htc_ps_wakeup((struct ath9k_htc_priv *) common->priv);
}
static void ath9k_htc_op_ps_restore(struct ath_common *common)
{
ath9k_htc_ps_restore((struct ath9k_htc_priv *) common->priv);
}
static const struct ath_ps_ops ath9k_htc_ps_ops = {
.wakeup = ath9k_htc_op_ps_wakeup,
.restore = ath9k_htc_op_ps_restore,
};
static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv)
{
unsigned long time_left;
if (atomic_read(&priv->htc->tgt_ready) > 0) {
atomic_dec(&priv->htc->tgt_ready);
return 0;
}
/* Firmware can take up to 50ms to get ready, to be safe use 1 second */
time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ);
if (!time_left) {
dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n");
return -ETIMEDOUT;
}
atomic_dec(&priv->htc->tgt_ready);
return 0;
}
static void ath9k_deinit_priv(struct ath9k_htc_priv *priv)
{
ath9k_hw_deinit(priv->ah);
kfree(priv->ah);
priv->ah = NULL;
}
static void ath9k_deinit_device(struct ath9k_htc_priv *priv)
{
struct ieee80211_hw *hw = priv->hw;
wiphy_rfkill_stop_polling(hw->wiphy);
ath9k_deinit_leds(priv);
ath9k_htc_deinit_debug(priv);
ieee80211_unregister_hw(hw);
ath9k_rx_cleanup(priv);
ath9k_tx_cleanup