drivers/net/wireless/iwlwifi/iwl-5000.c - kernel/msm-4.9 - Gitiles

 /******************************************************************************
  *
  * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
  * published by the Free Software Foundation.
  *
  * 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.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  *
  * The full GNU General Public License is included in this distribution in the
  * file called LICENSE.
  *
  * Contact Information:
  *  Intel Linux Wireless <ilw@linux.intel.com>
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  *****************************************************************************/

 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <net/mac80211.h>
 #include <linux/etherdevice.h>
 #include <asm/unaligned.h>
 #include <linux/stringify.h>

 #include "iwl-eeprom.h"
 #include "iwl-dev.h"
 #include "iwl-core.h"
 #include "iwl-io.h"
 #include "iwl-agn.h"
 #include "iwl-agn-hw.h"
 #include "iwl-trans.h"
 #include "iwl-shared.h"
 #include "iwl-cfg.h"

 /* Highest firmware API version supported */
 #define IWL5000_UCODE_API_MAX 5
 #define IWL5150_UCODE_API_MAX 2

 /* Lowest firmware API version supported */
 #define IWL5000_UCODE_API_MIN 1
 #define IWL5150_UCODE_API_MIN 1

 #define IWL5000_FW_PRE "iwlwifi-5000-"
 #define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE __stringify(api) ".ucode"

 #define IWL5150_FW_PRE "iwlwifi-5150-"
 #define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE __stringify(api) ".ucode"

 /* NIC configuration for 5000 series */
 static void iwl5000_nic_config(struct iwl_priv *priv)
 {
 	unsigned long flags;

 	iwl_rf_config(priv);

 	spin_lock_irqsave(&priv->shrd->lock, flags);

 	/* W/A : NIC is stuck in a reset state after Early PCIe power off
 	 * (PCIe power is lost before PERST# is asserted),
 	 * causing ME FW to lose ownership and not being able to obtain it back.
 	 */
 	iwl_set_bits_mask_prph(trans(priv), APMG_PS_CTRL_REG,
 				APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
 				~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);


 	spin_unlock_irqrestore(&priv->shrd->lock, flags);
 }

 static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
 	.min_nrg_cck = 100,
 	.max_nrg_cck = 0, /* not used, set to 0 */
 	.auto_corr_min_ofdm = 90,
 	.auto_corr_min_ofdm_mrc = 170,
 	.auto_corr_min_ofdm_x1 = 105,
 	.auto_corr_min_ofdm_mrc_x1 = 220,

 	.auto_corr_max_ofdm = 120,
 	.auto_corr_max_ofdm_mrc = 210,
 	.auto_corr_max_ofdm_x1 = 120,
 	.auto_corr_max_ofdm_mrc_x1 = 240,

 	.auto_corr_min_cck = 125,
 	.auto_corr_max_cck = 200,
 	.auto_corr_min_cck_mrc = 200,
 	.auto_corr_max_cck_mrc = 400,
 	.nrg_th_cck = 100,
 	.nrg_th_ofdm = 100,

 	.barker_corr_th_min = 190,
 	.barker_corr_th_min_mrc = 390,
 	.nrg_th_cca = 62,
 };

 static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
 	.min_nrg_cck = 95,
 	.max_nrg_cck = 0, /* not used, set to 0 */
 	.auto_corr_min_ofdm = 90,
 	.auto_corr_min_ofdm_mrc = 170,
 	.auto_corr_min_ofdm_x1 = 105,
 	.auto_corr_min_ofdm_mrc_x1 = 220,

 	.auto_corr_max_ofdm = 120,
 	.auto_corr_max_ofdm_mrc = 210,
 	/* max = min for performance bug in 5150 DSP */
 	.auto_corr_max_ofdm_x1 = 105,
 	.auto_corr_max_ofdm_mrc_x1 = 220,

 	.auto_corr_min_cck = 125,
 	.auto_corr_max_cck = 200,
 	.auto_corr_min_cck_mrc = 170,
 	.auto_corr_max_cck_mrc = 400,
 	.nrg_th_cck = 95,
 	.nrg_th_ofdm = 95,

 	.barker_corr_th_min = 190,
 	.barker_corr_th_min_mrc = 390,
 	.nrg_th_cca = 62,
 };

 #define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF	(-5)

 static s32 iwl_temp_calib_to_offset(struct iwl_shared *shrd)
 {
 	u16 temperature, voltage;
 	__le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(shrd,
 				EEPROM_KELVIN_TEMPERATURE);

 	temperature = le16_to_cpu(temp_calib[0]);
 	voltage = le16_to_cpu(temp_calib[1]);

 	/* offset = temp - volt / coeff */
 	return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
 }

 static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
 {
 	const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
 	s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
 			iwl_temp_calib_to_offset(priv->shrd);

 	hw_params(priv).ct_kill_threshold = threshold * volt2temp_coef;
 }

 static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
 {
 	/* want Celsius */
 	hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
 }

 static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 {
 	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 	    iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 		cfg(priv)->base_params->num_of_queues =
 			iwlagn_mod_params.num_of_queues;

 	hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
 	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;

 	hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
 	hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;

 	hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);

 	hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
 	hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant);
 	hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
 	hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;

 	iwl5000_set_ct_threshold(priv);

 	/* Set initial sensitivity parameters */
 	hw_params(priv).sens = &iwl5000_sensitivity;

 	return 0;
 }

 static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
 {
 	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
 	    iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
 		cfg(priv)->base_params->num_of_queues =
 			iwlagn_mod_params.num_of_queues;

 	hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
 	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;

 	hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
 	hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;

 	hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);

 	hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
 	hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant);
 	hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
 	hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;

 	iwl5150_set_ct_threshold(priv);

 	/* Set initial sensitivity parameters */
 	hw_params(priv).sens = &iwl5150_sensitivity;

 	return 0;
 }

 static void iwl5150_temperature(struct iwl_priv *priv)
 {
 	u32 vt = 0;
 	s32 offset =  iwl_temp_calib_to_offset(priv->shrd);

 	vt = le32_to_cpu(priv->statistics.common.temperature);
 	vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
 	/* now vt hold the temperature in Kelvin */
 	priv->temperature = KELVIN_TO_CELSIUS(vt);
 	iwl_tt_handler(priv);
 }

 static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
 	/*
 	 * MULTI-FIXME
 	 * See iwlagn_mac_channel_switch.
 	 */
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwl5000_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
 	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 	struct ieee80211_vif *vif = ctx->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
 		.len = { sizeof(cmd), },
 		.flags = CMD_SYNC,
 		.data = { &cmd, },
 	};

 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
 		      ctx->active.channel, ch);
 	cmd.channel = cpu_to_le16(ch);
 	cmd.rxon_flags = ctx->staging.flags;
 	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
 	 * calculate the ucode channel switch time
 	 * adding TSF as one of the factor for when to switch
 	 */
 	if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
 		if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
 		    beacon_interval)) {
 			switch_count -= (priv->ucode_beacon_time -
 				tsf_low) / beacon_interval;
 		} else
 			switch_count = 0;
 	}
 	if (switch_count <= 1)
 		cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	else {
 		switch_time_in_usec =
 			vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
 		ucode_switch_time = iwl_usecs_to_beacons(priv,
 							 switch_time_in_usec,
 							 beacon_interval);
 		cmd.switch_time = iwl_add_beacon_time(priv,
 						      priv->ucode_beacon_time,
 						      ucode_switch_time,
 						      beacon_interval);
 	}
 	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
 		      cmd.switch_time);
 	ch_info = iwl_get_channel_info(priv, priv->band, ch);
 	if (ch_info)
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
 			ctx->active.channel, ch);
 		return -EFAULT;
 	}

 	return iwl_trans_send_cmd(trans(priv), &hcmd);
 }

 static struct iwl_lib_ops iwl5000_lib = {
 	.set_hw_params = iwl5000_hw_set_hw_params,
 	.set_channel_switch = iwl5000_hw_channel_switch,
 	.nic_config = iwl5000_nic_config,
 	.eeprom_ops = {
 		.regulatory_bands = {
 			EEPROM_REG_BAND_1_CHANNELS,
 			EEPROM_REG_BAND_2_CHANNELS,
 			EEPROM_REG_BAND_3_CHANNELS,
 			EEPROM_REG_BAND_4_CHANNELS,
 			EEPROM_REG_BAND_5_CHANNELS,
 			EEPROM_REG_BAND_24_HT40_CHANNELS,
 			EEPROM_REG_BAND_52_HT40_CHANNELS
 		},
 	},
 	.temperature = iwlagn_temperature,
 };

 static struct iwl_lib_ops iwl5150_lib = {
 	.set_hw_params = iwl5150_hw_set_hw_params,
 	.set_channel_switch = iwl5000_hw_channel_switch,
 	.nic_config = iwl5000_nic_config,
 	.eeprom_ops = {
 		.regulatory_bands = {
 			EEPROM_REG_BAND_1_CHANNELS,
 			EEPROM_REG_BAND_2_CHANNELS,
 			EEPROM_REG_BAND_3_CHANNELS,
 			EEPROM_REG_BAND_4_CHANNELS,
 			EEPROM_REG_BAND_5_CHANNELS,
 			EEPROM_REG_BAND_24_HT40_CHANNELS,
 			EEPROM_REG_BAND_52_HT40_CHANNELS
 		},
 	},
 	.temperature = iwl5150_temperature,
 };

 static struct iwl_base_params iwl5000_base_params = {
 	.eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
 	.num_of_queues = IWLAGN_NUM_QUEUES,
 	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
 	.led_compensation = 51,
 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
 	.chain_noise_scale = 1000,
 	.wd_timeout = IWL_LONG_WD_TIMEOUT,
 	.max_event_log_size = 512,
 	.no_idle_support = true,
 	.wd_disable = true,
 };
 static struct iwl_ht_params iwl5000_ht_params = {
 	.ht_greenfield_support = true,
 };

 #define IWL_DEVICE_5000						\
 	.fw_name_pre = IWL5000_FW_PRE,				\
 	.ucode_api_max = IWL5000_UCODE_API_MAX,			\
 	.ucode_api_min = IWL5000_UCODE_API_MIN,			\
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,		\
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,	\
 	.lib = &iwl5000_lib,					\
 	.base_params = &iwl5000_base_params,			\
 	.led_mode = IWL_LED_BLINK

 struct iwl_cfg iwl5300_agn_cfg = {
 	.name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
 	IWL_DEVICE_5000,
 	/* at least EEPROM 0x11A has wrong info */
 	.valid_tx_ant = ANT_ABC,	/* .cfg overwrite */
 	.valid_rx_ant = ANT_ABC,	/* .cfg overwrite */
 	.ht_params = &iwl5000_ht_params,
 };

 struct iwl_cfg iwl5100_bgn_cfg = {
 	.name = "Intel(R) WiFi Link 5100 BGN",
 	IWL_DEVICE_5000,
 	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
 	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 	.ht_params = &iwl5000_ht_params,
 };

 struct iwl_cfg iwl5100_abg_cfg = {
 	.name = "Intel(R) WiFi Link 5100 ABG",
 	IWL_DEVICE_5000,
 	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
 	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 };

 struct iwl_cfg iwl5100_agn_cfg = {
 	.name = "Intel(R) WiFi Link 5100 AGN",
 	IWL_DEVICE_5000,
 	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
 	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 	.ht_params = &iwl5000_ht_params,
 };

 struct iwl_cfg iwl5350_agn_cfg = {
 	.name = "Intel(R) WiMAX/WiFi Link 5350 AGN",
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.lib = &iwl5000_lib,
 	.base_params = &iwl5000_base_params,
 	.ht_params = &iwl5000_ht_params,
 	.led_mode = IWL_LED_BLINK,
 	.internal_wimax_coex = true,
 };

 #define IWL_DEVICE_5150						\
 	.fw_name_pre = IWL5150_FW_PRE,				\
 	.ucode_api_max = IWL5150_UCODE_API_MAX,			\
 	.ucode_api_min = IWL5150_UCODE_API_MIN,			\
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,		\
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,	\
 	.lib = &iwl5150_lib,					\
 	.base_params = &iwl5000_base_params,			\
 	.no_xtal_calib = true,					\
 	.led_mode = IWL_LED_BLINK,				\
 	.internal_wimax_coex = true

 struct iwl_cfg iwl5150_agn_cfg = {
 	.name = "Intel(R) WiMAX/WiFi Link 5150 AGN",
 	IWL_DEVICE_5150,
 	.ht_params = &iwl5000_ht_params,

 };

 struct iwl_cfg iwl5150_abg_cfg = {
 	.name = "Intel(R) WiMAX/WiFi Link 5150 ABG",
 	IWL_DEVICE_5150,
 };

 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
	/******************************************************************************
	*
	* Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of version 2 of the GNU General Public License as
	* published by the Free Software Foundation.
	*
	* 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.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	*
	* The full GNU General Public License is included in this distribution in the
	* file called LICENSE.
	*
	* Contact Information:
	* Intel Linux Wireless <ilw@linux.intel.com>
	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	*
	*****************************************************************************/

	#include <linux/kernel.h>
	#include <linux/module.h>
	#include <linux/init.h>
	#include <linux/delay.h>
	#include <linux/sched.h>
	#include <linux/skbuff.h>
	#include <linux/netdevice.h>
	#include <net/mac80211.h>
	#include <linux/etherdevice.h>
	#include <asm/unaligned.h>
	#include <linux/stringify.h>

	#include "iwl-eeprom.h"
	#include "iwl-dev.h"
	#include "iwl-core.h"
	#include "iwl-io.h"
	#include "iwl-agn.h"
	#include "iwl-agn-hw.h"
	#include "iwl-trans.h"
	#include "iwl-shared.h"
	#include "iwl-cfg.h"

	/* Highest firmware API version supported */
	#define IWL5000_UCODE_API_MAX 5
	#define IWL5150_UCODE_API_MAX 2

	/* Lowest firmware API version supported */
	#define IWL5000_UCODE_API_MIN 1
	#define IWL5150_UCODE_API_MIN 1

	#define IWL5000_FW_PRE "iwlwifi-5000-"
	#define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE __stringify(api) ".ucode"

	#define IWL5150_FW_PRE "iwlwifi-5150-"
	#define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE __stringify(api) ".ucode"

	/* NIC configuration for 5000 series */
	static void iwl5000_nic_config(struct iwl_priv *priv)
	{
	unsigned long flags;

	iwl_rf_config(priv);

	spin_lock_irqsave(&priv->shrd->lock, flags);

	/* W/A : NIC is stuck in a reset state after Early PCIe power off
	* (PCIe power is lost before PERST# is asserted),
	* causing ME FW to lose ownership and not being able to obtain it back.
	*/
	iwl_set_bits_mask_prph(trans(priv), APMG_PS_CTRL_REG,
	APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
	~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);


	spin_unlock_irqrestore(&priv->shrd->lock, flags);
	}

	static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
	.min_nrg_cck = 100,
	.max_nrg_cck = 0, /* not used, set to 0 */
	.auto_corr_min_ofdm = 90,
	.auto_corr_min_ofdm_mrc = 170,
	.auto_corr_min_ofdm_x1 = 105,
	.auto_corr_min_ofdm_mrc_x1 = 220,

	.auto_corr_max_ofdm = 120,
	.auto_corr_max_ofdm_mrc = 210,
	.auto_corr_max_ofdm_x1 = 120,
	.auto_corr_max_ofdm_mrc_x1 = 240,

	.auto_corr_min_cck = 125,
	.auto_corr_max_cck = 200,
	.auto_corr_min_cck_mrc = 200,
	.auto_corr_max_cck_mrc = 400,
	.nrg_th_cck = 100,
	.nrg_th_ofdm = 100,

	.barker_corr_th_min = 190,
	.barker_corr_th_min_mrc = 390,
	.nrg_th_cca = 62,
	};

	static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
	.min_nrg_cck = 95,
	.max_nrg_cck = 0, /* not used, set to 0 */
	.auto_corr_min_ofdm = 90,
	.auto_corr_min_ofdm_mrc = 170,
	.auto_corr_min_ofdm_x1 = 105,
	.auto_corr_min_ofdm_mrc_x1 = 220,

	.auto_corr_max_ofdm = 120,
	.auto_corr_max_ofdm_mrc = 210,
	/* max = min for performance bug in 5150 DSP */
	.auto_corr_max_ofdm_x1 = 105,
	.auto_corr_max_ofdm_mrc_x1 = 220,

	.auto_corr_min_cck = 125,
	.auto_corr_max_cck = 200,
	.auto_corr_min_cck_mrc = 170,
	.auto_corr_max_cck_mrc = 400,
	.nrg_th_cck = 95,
	.nrg_th_ofdm = 95,

	.barker_corr_th_min = 190,
	.barker_corr_th_min_mrc = 390,
	.nrg_th_cca = 62,
	};

	#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF (-5)

	static s32 iwl_temp_calib_to_offset(struct iwl_shared *shrd)
	{
	u16 temperature, voltage;
	__le16 temp_calib = (__le16 )iwl_eeprom_query_addr(shrd,
	EEPROM_KELVIN_TEMPERATURE);

	temperature = le16_to_cpu(temp_calib[0]);
	voltage = le16_to_cpu(temp_calib[1]);

	/* offset = temp - volt / coeff */
	return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
	}

	static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
	{
	const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
	s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
	iwl_temp_calib_to_offset(priv->shrd);

	hw_params(priv).ct_kill_threshold = threshold * volt2temp_coef;
	}

	static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
	{
	/* want Celsius */
	hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
	}

	static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
	{
	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
	iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
	cfg(priv)->base_params->num_of_queues =
	iwlagn_mod_params.num_of_queues;

	hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;

	hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
	hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;

	hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) \|
	BIT(IEEE80211_BAND_5GHZ);

	hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
	hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant);
	hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
	hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;

	iwl5000_set_ct_threshold(priv);

	/* Set initial sensitivity parameters */
	hw_params(priv).sens = &iwl5000_sensitivity;

	return 0;
	}

	static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
	{
	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
	iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
	cfg(priv)->base_params->num_of_queues =
	iwlagn_mod_params.num_of_queues;

	hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;

	hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
	hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;

	hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) \|
	BIT(IEEE80211_BAND_5GHZ);

	hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
	hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant);
	hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
	hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;

	iwl5150_set_ct_threshold(priv);

	/* Set initial sensitivity parameters */
	hw_params(priv).sens = &iwl5150_sensitivity;

	return 0;
	}

	static void iwl5150_temperature(struct iwl_priv *priv)
	{
	u32 vt = 0;
	s32 offset = iwl_temp_calib_to_offset(priv->shrd);

	vt = le32_to_cpu(priv->statistics.common.temperature);
	vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
	/* now vt hold the temperature in Kelvin */
	priv->temperature = KELVIN_TO_CELSIUS(vt);
	iwl_tt_handler(priv);
	}

	static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
	struct ieee80211_channel_switch *ch_switch)
	{
	/*
	* MULTI-FIXME
	* See iwlagn_mac_channel_switch.
	*/
	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
	struct iwl5000_channel_switch_cmd cmd;
	const struct iwl_channel_info *ch_info;
	u32 switch_time_in_usec, ucode_switch_time;
	u16 ch;
	u32 tsf_low;
	u8 switch_count;
	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
	struct ieee80211_vif *vif = ctx->vif;
	struct iwl_host_cmd hcmd = {
	.id = REPLY_CHANNEL_SWITCH,
	.len = { sizeof(cmd), },
	.flags = CMD_SYNC,
	.data = { &cmd, },
	};

	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
	ch = ch_switch->channel->hw_value;
	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
	ctx->active.channel, ch);
	cmd.channel = cpu_to_le16(ch);
	cmd.rxon_flags = ctx->staging.flags;
	cmd.rxon_filter_flags = ctx->staging.filter_flags;
	switch_count = ch_switch->count;
	tsf_low = ch_switch->timestamp & 0x0ffffffff;
	/*
	* calculate the ucode channel switch time
	* adding TSF as one of the factor for when to switch
	*/
	if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
	if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
	beacon_interval)) {
	switch_count -= (priv->ucode_beacon_time -
	tsf_low) / beacon_interval;
	} else
	switch_count = 0;
	}
	if (switch_count <= 1)
	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
	else {
	switch_time_in_usec =
	vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
	ucode_switch_time = iwl_usecs_to_beacons(priv,
	switch_time_in_usec,
	beacon_interval);
	cmd.switch_time = iwl_add_beacon_time(priv,
	priv->ucode_beacon_time,
	ucode_switch_time,
	beacon_interval);
	}
	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
	cmd.switch_time);
	ch_info = iwl_get_channel_info(priv, priv->band, ch);
	if (ch_info)
	cmd.expect_beacon = is_channel_radar(ch_info);
	else {
	IWL_ERR(priv, "invalid channel switch from %u to %u\n",
	ctx->active.channel, ch);
	return -EFAULT;
	}

	return iwl_trans_send_cmd(trans(priv), &hcmd);
	}

	static struct iwl_lib_ops iwl5000_lib = {
	.set_hw_params = iwl5000_hw_set_hw_params,
	.set_channel_switch = iwl5000_hw_channel_switch,
	.nic_config = iwl5000_nic_config,
	.eeprom_ops = {
	.regulatory_bands = {
	EEPROM_REG_BAND_1_CHANNELS,
	EEPROM_REG_BAND_2_CHANNELS,
	EEPROM_REG_BAND_3_CHANNELS,
	EEPROM_REG_BAND_4_CHANNELS,
	EEPROM_REG_BAND_5_CHANNELS,
	EEPROM_REG_BAND_24_HT40_CHANNELS,
	EEPROM_REG_BAND_52_HT40_CHANNELS
	},
	},
	.temperature = iwlagn_temperature,
	};

	static struct iwl_lib_ops iwl5150_lib = {
	.set_hw_params = iwl5150_hw_set_hw_params,
	.set_channel_switch = iwl5000_hw_channel_switch,
	.nic_config = iwl5000_nic_config,
	.eeprom_ops = {
	.regulatory_bands = {
	EEPROM_REG_BAND_1_CHANNELS,
	EEPROM_REG_BAND_2_CHANNELS,
	EEPROM_REG_BAND_3_CHANNELS,
	EEPROM_REG_BAND_4_CHANNELS,
	EEPROM_REG_BAND_5_CHANNELS,
	EEPROM_REG_BAND_24_HT40_CHANNELS,
	EEPROM_REG_BAND_52_HT40_CHANNELS
	},
	},
	.temperature = iwl5150_temperature,
	};

	static struct iwl_base_params iwl5000_base_params = {
	.eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
	.num_of_queues = IWLAGN_NUM_QUEUES,
	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
	.led_compensation = 51,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
	.chain_noise_scale = 1000,
	.wd_timeout = IWL_LONG_WD_TIMEOUT,
	.max_event_log_size = 512,
	.no_idle_support = true,
	.wd_disable = true,
	};
	static struct iwl_ht_params iwl5000_ht_params = {
	.ht_greenfield_support = true,
	};

	#define IWL_DEVICE_5000 \
	.fw_name_pre = IWL5000_FW_PRE, \
	.ucode_api_max = IWL5000_UCODE_API_MAX, \
	.ucode_api_min = IWL5000_UCODE_API_MIN, \
	.eeprom_ver = EEPROM_5000_EEPROM_VERSION, \
	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \
	.lib = &iwl5000_lib, \
	.base_params = &iwl5000_base_params, \
	.led_mode = IWL_LED_BLINK

	struct iwl_cfg iwl5300_agn_cfg = {
	.name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
	IWL_DEVICE_5000,
	/* at least EEPROM 0x11A has wrong info */
	.valid_tx_ant = ANT_ABC, /* .cfg overwrite */
	.valid_rx_ant = ANT_ABC, /* .cfg overwrite */
	.ht_params = &iwl5000_ht_params,
	};

	struct iwl_cfg iwl5100_bgn_cfg = {
	.name = "Intel(R) WiFi Link 5100 BGN",
	IWL_DEVICE_5000,
	.valid_tx_ant = ANT_B, /* .cfg overwrite */
	.valid_rx_ant = ANT_AB, /* .cfg overwrite */
	.ht_params = &iwl5000_ht_params,
	};

	struct iwl_cfg iwl5100_abg_cfg = {
	.name = "Intel(R) WiFi Link 5100 ABG",
	IWL_DEVICE_5000,
	.valid_tx_ant = ANT_B, /* .cfg overwrite */
	.valid_rx_ant = ANT_AB, /* .cfg overwrite */
	};

	struct iwl_cfg iwl5100_agn_cfg = {
	.name = "Intel(R) WiFi Link 5100 AGN",
	IWL_DEVICE_5000,
	.valid_tx_ant = ANT_B, /* .cfg overwrite */
	.valid_rx_ant = ANT_AB, /* .cfg overwrite */
	.ht_params = &iwl5000_ht_params,
	};

	struct iwl_cfg iwl5350_agn_cfg = {
	.name = "Intel(R) WiMAX/WiFi Link 5350 AGN",
	.fw_name_pre = IWL5000_FW_PRE,
	.ucode_api_max = IWL5000_UCODE_API_MAX,
	.ucode_api_min = IWL5000_UCODE_API_MIN,
	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
	.lib = &iwl5000_lib,
	.base_params = &iwl5000_base_params,
	.ht_params = &iwl5000_ht_params,
	.led_mode = IWL_LED_BLINK,
	.internal_wimax_coex = true,
	};

	#define IWL_DEVICE_5150 \
	.fw_name_pre = IWL5150_FW_PRE, \
	.ucode_api_max = IWL5150_UCODE_API_MAX, \
	.ucode_api_min = IWL5150_UCODE_API_MIN, \
	.eeprom_ver = EEPROM_5050_EEPROM_VERSION, \
	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \
	.lib = &iwl5150_lib, \
	.base_params = &iwl5000_base_params, \
	.no_xtal_calib = true, \
	.led_mode = IWL_LED_BLINK, \
	.internal_wimax_coex = true

	struct iwl_cfg iwl5150_agn_cfg = {
	.name = "Intel(R) WiMAX/WiFi Link 5150 AGN",
	IWL_DEVICE_5150,
	.ht_params = &iwl5000_ht_params,

	};

	struct iwl_cfg iwl5150_abg_cfg = {
	.name = "Intel(R) WiMAX/WiFi Link 5150 ABG",
	IWL_DEVICE_5150,
	};

	MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
	MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));