drivers/net/wireless/iwlwifi/dvm/ucode.c - kernel/msm-4.9 - Gitiles

 /******************************************************************************
  *
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2014 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 COPYING.
  *
  * 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 "iwl-io.h"
 #include "iwl-agn-hw.h"
 #include "iwl-trans.h"
 #include "iwl-fh.h"
 #include "iwl-op-mode.h"

 #include "dev.h"
 #include "agn.h"
 #include "calib.h"

 /******************************************************************************
  *
  * uCode download functions
  *
  ******************************************************************************/

 static inline const struct fw_img *
 iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
 {
 	if (ucode_type >= IWL_UCODE_TYPE_MAX)
 		return NULL;

 	return &priv->fw->img[ucode_type];
 }

 /*
  *  Calibration
  */
 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
 {
 	struct iwl_calib_xtal_freq_cmd cmd;
 	__le16 *xtal_calib = priv->nvm_data->xtal_calib;

 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
 	cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
 	cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
 	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
 }

 static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
 {
 	struct iwl_calib_temperature_offset_cmd cmd;

 	memset(&cmd, 0, sizeof(cmd));
 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
 	cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
 	if (!(cmd.radio_sensor_offset))
 		cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;

 	IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
 			le16_to_cpu(cmd.radio_sensor_offset));
 	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
 }

 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
 {
 	struct iwl_calib_temperature_offset_v2_cmd cmd;

 	memset(&cmd, 0, sizeof(cmd));
 	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
 	cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
 	cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
 	if (!cmd.radio_sensor_offset_low) {
 		IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
 		cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
 		cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
 	}
 	cmd.burntVoltageRef = priv->nvm_data->calib_voltage;

 	IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
 			le16_to_cpu(cmd.radio_sensor_offset_high));
 	IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
 			le16_to_cpu(cmd.radio_sensor_offset_low));
 	IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
 			le16_to_cpu(cmd.burntVoltageRef));

 	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
 }

 static int iwl_send_calib_cfg(struct iwl_priv *priv)
 {
 	struct iwl_calib_cfg_cmd calib_cfg_cmd;
 	struct iwl_host_cmd cmd = {
 		.id = CALIBRATION_CFG_CMD,
 		.len = { sizeof(struct iwl_calib_cfg_cmd), },
 		.data = { &calib_cfg_cmd, },
 	};

 	memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
 	calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
 	calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
 	calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
 	calib_cfg_cmd.ucd_calib_cfg.flags =
 		IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;

 	return iwl_dvm_send_cmd(priv, &cmd);
 }

 int iwl_init_alive_start(struct iwl_priv *priv)
 {
 	int ret;

 	if (priv->lib->bt_params &&
 	    priv->lib->bt_params->advanced_bt_coexist) {
 		/*
 		 * Tell uCode we are ready to perform calibration
 		 * need to perform this before any calibration
 		 * no need to close the envlope since we are going
 		 * to load the runtime uCode later.
 		 */
 		ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
 			BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
 		if (ret)
 			return ret;

 	}

 	ret = iwl_send_calib_cfg(priv);
 	if (ret)
 		return ret;

 	/**
 	 * temperature offset calibration is only needed for runtime ucode,
 	 * so prepare the value now.
 	 */
 	if (priv->lib->need_temp_offset_calib) {
 		if (priv->lib->temp_offset_v2)
 			return iwl_set_temperature_offset_calib_v2(priv);
 		else
 			return iwl_set_temperature_offset_calib(priv);
 	}

 	return 0;
 }

 static int iwl_send_wimax_coex(struct iwl_priv *priv)
 {
 	struct iwl_wimax_coex_cmd coex_cmd;

 	/* coexistence is disabled */
 	memset(&coex_cmd, 0, sizeof(coex_cmd));

 	return iwl_dvm_send_cmd_pdu(priv,
 				COEX_PRIORITY_TABLE_CMD, 0,
 				sizeof(coex_cmd), &coex_cmd);
 }

 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
 	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
 		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
 	0, 0, 0, 0, 0, 0, 0
 };

 void iwl_send_prio_tbl(struct iwl_priv *priv)
 {
 	struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;

 	memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
 		sizeof(iwl_bt_prio_tbl));
 	if (iwl_dvm_send_cmd_pdu(priv,
 				REPLY_BT_COEX_PRIO_TABLE, 0,
 				sizeof(prio_tbl_cmd), &prio_tbl_cmd))
 		IWL_ERR(priv, "failed to send BT prio tbl command\n");
 }

 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
 {
 	struct iwl_bt_coex_prot_env_cmd env_cmd;
 	int ret;

 	env_cmd.action = action;
 	env_cmd.type = type;
 	ret = iwl_dvm_send_cmd_pdu(priv,
 			       REPLY_BT_COEX_PROT_ENV, 0,
 			       sizeof(env_cmd), &env_cmd);
 	if (ret)
 		IWL_ERR(priv, "failed to send BT env command\n");
 	return ret;
 }

 static const u8 iwlagn_default_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_VO,
 	IWL_TX_FIFO_VI,
 	IWL_TX_FIFO_BE,
 	IWL_TX_FIFO_BK,
 };

 static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_VO,
 	IWL_TX_FIFO_VI,
 	IWL_TX_FIFO_BE,
 	IWL_TX_FIFO_BK,
 	IWL_TX_FIFO_BK_IPAN,
 	IWL_TX_FIFO_BE_IPAN,
 	IWL_TX_FIFO_VI_IPAN,
 	IWL_TX_FIFO_VO_IPAN,
 	IWL_TX_FIFO_BE_IPAN,
 	IWL_TX_FIFO_UNUSED,
 	IWL_TX_FIFO_AUX,
 };

 static int iwl_alive_notify(struct iwl_priv *priv)
 {
 	const u8 *queue_to_txf;
 	u8 n_queues;
 	int ret;
 	int i;

 	iwl_trans_fw_alive(priv->trans, 0);

 	if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
 	    priv->nvm_data->sku_cap_ipan_enable) {
 		n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
 		queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
 	} else {
 		n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
 		queue_to_txf = iwlagn_default_queue_to_tx_fifo;
 	}

 	for (i = 0; i < n_queues; i++)
 		if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED)
 			iwl_trans_ac_txq_enable(priv->trans, i,
 						queue_to_txf[i]);

 	priv->passive_no_rx = false;
 	priv->transport_queue_stop = 0;

 	ret = iwl_send_wimax_coex(priv);
 	if (ret)
 		return ret;

 	if (!priv->lib->no_xtal_calib) {
 		ret = iwl_set_Xtal_calib(priv);
 		if (ret)
 			return ret;
 	}

 	return iwl_send_calib_results(priv);
 }

 struct iwl_alive_data {
 	bool valid;
 	u8 subtype;
 };

 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
 			 struct iwl_rx_packet *pkt, void *data)
 {
 	struct iwl_priv *priv =
 		container_of(notif_wait, struct iwl_priv, notif_wait);
 	struct iwl_alive_data *alive_data = data;
 	struct iwl_alive_resp *palive;

 	palive = (void *)pkt->data;

 	IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
 		       "0x%01X 0x%01X\n",
 		       palive->is_valid, palive->ver_type,
 		       palive->ver_subtype);

 	priv->device_pointers.error_event_table =
 		le32_to_cpu(palive->error_event_table_ptr);
 	priv->device_pointers.log_event_table =
 		le32_to_cpu(palive->log_event_table_ptr);

 	alive_data->subtype = palive->ver_subtype;
 	alive_data->valid = palive->is_valid == UCODE_VALID_OK;

 	return true;
 }

 #define UCODE_ALIVE_TIMEOUT	HZ
 #define UCODE_CALIB_TIMEOUT	(2*HZ)

 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
 				 enum iwl_ucode_type ucode_type)
 {
 	struct iwl_notification_wait alive_wait;
 	struct iwl_alive_data alive_data;
 	const struct fw_img *fw;
 	int ret;
 	enum iwl_ucode_type old_type;
 	static const u8 alive_cmd[] = { REPLY_ALIVE };

 	fw = iwl_get_ucode_image(priv, ucode_type);
 	if (WARN_ON(!fw))
 		return -EINVAL;

 	old_type = priv->cur_ucode;
 	priv->cur_ucode = ucode_type;
 	priv->ucode_loaded = false;

 	iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
 				   alive_cmd, ARRAY_SIZE(alive_cmd),
 				   iwl_alive_fn, &alive_data);

 	ret = iwl_trans_start_fw(priv->trans, fw, false);
 	if (ret) {
 		priv->cur_ucode = old_type;
 		iwl_remove_notification(&priv->notif_wait, &alive_wait);
 		return ret;
 	}

 	/*
 	 * Some things may run in the background now, but we
 	 * just wait for the ALIVE notification here.
 	 */
 	ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
 					UCODE_ALIVE_TIMEOUT);
 	if (ret) {
 		priv->cur_ucode = old_type;
 		return ret;
 	}

 	if (!alive_data.valid) {
 		IWL_ERR(priv, "Loaded ucode is not valid!\n");
 		priv->cur_ucode = old_type;
 		return -EIO;
 	}

 	priv->ucode_loaded = true;

 	if (ucode_type != IWL_UCODE_WOWLAN) {
 		/* delay a bit to give rfkill time to run */
 		msleep(5);
 	}

 	ret = iwl_alive_notify(priv);
 	if (ret) {
 		IWL_WARN(priv,
 			"Could not complete ALIVE transition: %d\n", ret);
 		priv->cur_ucode = old_type;
 		return ret;
 	}

 	return 0;
 }

 static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
 			      struct iwl_rx_packet *pkt, void *data)
 {
 	struct iwl_priv *priv = data;
 	struct iwl_calib_hdr *hdr;

 	if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
 		WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
 		return true;
 	}

 	hdr = (struct iwl_calib_hdr *)pkt->data;

 	if (iwl_calib_set(priv, hdr, iwl_rx_packet_payload_len(pkt)))
 		IWL_ERR(priv, "Failed to record calibration data %d\n",
 			hdr->op_code);

 	return false;
 }

 int iwl_run_init_ucode(struct iwl_priv *priv)
 {
 	struct iwl_notification_wait calib_wait;
 	static const u8 calib_complete[] = {
 		CALIBRATION_RES_NOTIFICATION,
 		CALIBRATION_COMPLETE_NOTIFICATION
 	};
 	int ret;

 	lockdep_assert_held(&priv->mutex);

 	/* No init ucode required? Curious, but maybe ok */
 	if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
 		return 0;

 	if (priv->init_ucode_run)
 		return 0;

 	iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
 				   calib_complete, ARRAY_SIZE(calib_complete),
 				   iwlagn_wait_calib, priv);

 	/* Will also start the device */
 	ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
 	if (ret)
 		goto error;

 	ret = iwl_init_alive_start(priv);
 	if (ret)
 		goto error;

 	/*
 	 * Some things may run in the background now, but we
 	 * just wait for the calibration complete notification.
 	 */
 	ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
 					UCODE_CALIB_TIMEOUT);
 	if (!ret)
 		priv->init_ucode_run = true;

 	goto out;

  error:
 	iwl_remove_notification(&priv->notif_wait, &calib_wait);
  out:
 	/* Whatever happened, stop the device */
 	iwl_trans_stop_device(priv->trans);
 	priv->ucode_loaded = false;

 	return ret;
 }
	/******************************************************************************
	*
	* GPL LICENSE SUMMARY
	*
	* Copyright(c) 2008 - 2014 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 COPYING.
	*
	* 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 "iwl-io.h"
	#include "iwl-agn-hw.h"
	#include "iwl-trans.h"
	#include "iwl-fh.h"
	#include "iwl-op-mode.h"

	#include "dev.h"
	#include "agn.h"
	#include "calib.h"

	/******************************************************************************
	*
	* uCode download functions
	*
	******************************************************************************/

	static inline const struct fw_img *
	iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
	{
	if (ucode_type >= IWL_UCODE_TYPE_MAX)
	return NULL;

	return &priv->fw->img[ucode_type];
	}

	/*
	* Calibration
	*/
	static int iwl_set_Xtal_calib(struct iwl_priv *priv)
	{
	struct iwl_calib_xtal_freq_cmd cmd;
	__le16 *xtal_calib = priv->nvm_data->xtal_calib;

	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
	cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
	cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
	}

	static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
	{
	struct iwl_calib_temperature_offset_cmd cmd;

	memset(&cmd, 0, sizeof(cmd));
	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
	cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
	if (!(cmd.radio_sensor_offset))
	cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;

	IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
	le16_to_cpu(cmd.radio_sensor_offset));
	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
	}

	static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
	{
	struct iwl_calib_temperature_offset_v2_cmd cmd;

	memset(&cmd, 0, sizeof(cmd));
	iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
	cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
	cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
	if (!cmd.radio_sensor_offset_low) {
	IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
	cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
	cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
	}
	cmd.burntVoltageRef = priv->nvm_data->calib_voltage;

	IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
	le16_to_cpu(cmd.radio_sensor_offset_high));
	IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
	le16_to_cpu(cmd.radio_sensor_offset_low));
	IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
	le16_to_cpu(cmd.burntVoltageRef));

	return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
	}

	static int iwl_send_calib_cfg(struct iwl_priv *priv)
	{
	struct iwl_calib_cfg_cmd calib_cfg_cmd;
	struct iwl_host_cmd cmd = {
	.id = CALIBRATION_CFG_CMD,
	.len = { sizeof(struct iwl_calib_cfg_cmd), },
	.data = { &calib_cfg_cmd, },
	};

	memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
	calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
	calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
	calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
	calib_cfg_cmd.ucd_calib_cfg.flags =
	IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;

	return iwl_dvm_send_cmd(priv, &cmd);
	}

	int iwl_init_alive_start(struct iwl_priv *priv)
	{
	int ret;

	if (priv->lib->bt_params &&
	priv->lib->bt_params->advanced_bt_coexist) {
	/*
	* Tell uCode we are ready to perform calibration
	* need to perform this before any calibration
	* no need to close the envlope since we are going
	* to load the runtime uCode later.
	*/
	ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
	BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
	if (ret)
	return ret;

	}

	ret = iwl_send_calib_cfg(priv);
	if (ret)
	return ret;

	/**
	* temperature offset calibration is only needed for runtime ucode,
	* so prepare the value now.
	*/
	if (priv->lib->need_temp_offset_calib) {
	if (priv->lib->temp_offset_v2)
	return iwl_set_temperature_offset_calib_v2(priv);
	else
	return iwl_set_temperature_offset_calib(priv);
	}

	return 0;
	}

	static int iwl_send_wimax_coex(struct iwl_priv *priv)
	{
	struct iwl_wimax_coex_cmd coex_cmd;

	/* coexistence is disabled */
	memset(&coex_cmd, 0, sizeof(coex_cmd));

	return iwl_dvm_send_cmd_pdu(priv,
	COEX_PRIORITY_TABLE_CMD, 0,
	sizeof(coex_cmd), &coex_cmd);
	}

	static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) \|
	(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
	0, 0, 0, 0, 0, 0, 0
	};

	void iwl_send_prio_tbl(struct iwl_priv *priv)
	{
	struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;

	memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
	sizeof(iwl_bt_prio_tbl));
	if (iwl_dvm_send_cmd_pdu(priv,
	REPLY_BT_COEX_PRIO_TABLE, 0,
	sizeof(prio_tbl_cmd), &prio_tbl_cmd))
	IWL_ERR(priv, "failed to send BT prio tbl command\n");
	}

	int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
	{
	struct iwl_bt_coex_prot_env_cmd env_cmd;
	int ret;

	env_cmd.action = action;
	env_cmd.type = type;
	ret = iwl_dvm_send_cmd_pdu(priv,
	REPLY_BT_COEX_PROT_ENV, 0,
	sizeof(env_cmd), &env_cmd);
	if (ret)
	IWL_ERR(priv, "failed to send BT env command\n");
	return ret;
	}

	static const u8 iwlagn_default_queue_to_tx_fifo[] = {
	IWL_TX_FIFO_VO,
	IWL_TX_FIFO_VI,
	IWL_TX_FIFO_BE,
	IWL_TX_FIFO_BK,
	};

	static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
	IWL_TX_FIFO_VO,
	IWL_TX_FIFO_VI,
	IWL_TX_FIFO_BE,
	IWL_TX_FIFO_BK,
	IWL_TX_FIFO_BK_IPAN,
	IWL_TX_FIFO_BE_IPAN,
	IWL_TX_FIFO_VI_IPAN,
	IWL_TX_FIFO_VO_IPAN,
	IWL_TX_FIFO_BE_IPAN,
	IWL_TX_FIFO_UNUSED,
	IWL_TX_FIFO_AUX,
	};

	static int iwl_alive_notify(struct iwl_priv *priv)
	{
	const u8 *queue_to_txf;
	u8 n_queues;
	int ret;
	int i;

	iwl_trans_fw_alive(priv->trans, 0);

	if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
	priv->nvm_data->sku_cap_ipan_enable) {
	n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
	queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
	} else {
	n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
	queue_to_txf = iwlagn_default_queue_to_tx_fifo;
	}

	for (i = 0; i < n_queues; i++)
	if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED)
	iwl_trans_ac_txq_enable(priv->trans, i,
	queue_to_txf[i]);

	priv->passive_no_rx = false;
	priv->transport_queue_stop = 0;

	ret = iwl_send_wimax_coex(priv);
	if (ret)
	return ret;

	if (!priv->lib->no_xtal_calib) {
	ret = iwl_set_Xtal_calib(priv);
	if (ret)
	return ret;
	}

	return iwl_send_calib_results(priv);
	}

	struct iwl_alive_data {
	bool valid;
	u8 subtype;
	};

	static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
	struct iwl_rx_packet pkt, void data)
	{
	struct iwl_priv *priv =
	container_of(notif_wait, struct iwl_priv, notif_wait);
	struct iwl_alive_data *alive_data = data;
	struct iwl_alive_resp *palive;

	palive = (void *)pkt->data;

	IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
	"0x%01X 0x%01X\n",
	palive->is_valid, palive->ver_type,
	palive->ver_subtype);

	priv->device_pointers.error_event_table =
	le32_to_cpu(palive->error_event_table_ptr);
	priv->device_pointers.log_event_table =
	le32_to_cpu(palive->log_event_table_ptr);

	alive_data->subtype = palive->ver_subtype;
	alive_data->valid = palive->is_valid == UCODE_VALID_OK;

	return true;
	}

	#define UCODE_ALIVE_TIMEOUT HZ
	#define UCODE_CALIB_TIMEOUT (2*HZ)

	int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
	enum iwl_ucode_type ucode_type)
	{
	struct iwl_notification_wait alive_wait;
	struct iwl_alive_data alive_data;
	const struct fw_img *fw;
	int ret;
	enum iwl_ucode_type old_type;
	static const u8 alive_cmd[] = { REPLY_ALIVE };

	fw = iwl_get_ucode_image(priv, ucode_type);
	if (WARN_ON(!fw))
	return -EINVAL;

	old_type = priv->cur_ucode;
	priv->cur_ucode = ucode_type;
	priv->ucode_loaded = false;

	iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
	alive_cmd, ARRAY_SIZE(alive_cmd),
	iwl_alive_fn, &alive_data);

	ret = iwl_trans_start_fw(priv->trans, fw, false);
	if (ret) {
	priv->cur_ucode = old_type;
	iwl_remove_notification(&priv->notif_wait, &alive_wait);
	return ret;
	}

	/*
	* Some things may run in the background now, but we
	* just wait for the ALIVE notification here.
	*/
	ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
	UCODE_ALIVE_TIMEOUT);
	if (ret) {
	priv->cur_ucode = old_type;
	return ret;
	}

	if (!alive_data.valid) {
	IWL_ERR(priv, "Loaded ucode is not valid!\n");
	priv->cur_ucode = old_type;
	return -EIO;
	}

	priv->ucode_loaded = true;

	if (ucode_type != IWL_UCODE_WOWLAN) {
	/* delay a bit to give rfkill time to run */
	msleep(5);
	}

	ret = iwl_alive_notify(priv);
	if (ret) {
	IWL_WARN(priv,
	"Could not complete ALIVE transition: %d\n", ret);
	priv->cur_ucode = old_type;
	return ret;
	}

	return 0;
	}

	static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
	struct iwl_rx_packet pkt, void data)
	{
	struct iwl_priv *priv = data;
	struct iwl_calib_hdr *hdr;

	if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
	WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
	return true;
	}

	hdr = (struct iwl_calib_hdr *)pkt->data;

	if (iwl_calib_set(priv, hdr, iwl_rx_packet_payload_len(pkt)))
	IWL_ERR(priv, "Failed to record calibration data %d\n",
	hdr->op_code);

	return false;
	}

	int iwl_run_init_ucode(struct iwl_priv *priv)
	{
	struct iwl_notification_wait calib_wait;
	static const u8 calib_complete[] = {
	CALIBRATION_RES_NOTIFICATION,
	CALIBRATION_COMPLETE_NOTIFICATION
	};
	int ret;

	lockdep_assert_held(&priv->mutex);

	/* No init ucode required? Curious, but maybe ok */
	if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
	return 0;

	if (priv->init_ucode_run)
	return 0;

	iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
	calib_complete, ARRAY_SIZE(calib_complete),
	iwlagn_wait_calib, priv);

	/* Will also start the device */
	ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
	if (ret)
	goto error;

	ret = iwl_init_alive_start(priv);
	if (ret)
	goto error;

	/*
	* Some things may run in the background now, but we
	* just wait for the calibration complete notification.
	*/
	ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
	UCODE_CALIB_TIMEOUT);
	if (!ret)
	priv->init_ucode_run = true;

	goto out;

	error:
	iwl_remove_notification(&priv->notif_wait, &calib_wait);
	out:
	/* Whatever happened, stop the device */
	iwl_trans_stop_device(priv->trans);
	priv->ucode_loaded = false;

	return ret;
	}