[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / iwlwifi / mvm / fw.c

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2012 - 2013 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
 *
 * BSD LICENSE
 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
#include <net/mac80211.h>

#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "iwl-fw.h"
#include "iwl-debug.h"
#include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
#include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
#include "iwl-eeprom-parse.h"

#include "mvm.h"
#include "iwl-phy-db.h"

#define MVM_UCODE_ALIVE_TIMEOUT	HZ
#define MVM_UCODE_CALIB_TIMEOUT	(2*HZ)

#define UCODE_VALID_OK	cpu_to_le32(0x1)

struct iwl_mvm_alive_data {
	bool valid;
	u32 scd_base_addr;
};

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

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

static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
{
	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
		.valid = cpu_to_le32(valid_tx_ant),
	};

	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC,
				    sizeof(tx_ant_cmd), &tx_ant_cmd);
}

static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
			 struct iwl_rx_packet *pkt, void *data)
{
	struct iwl_mvm *mvm =
		container_of(notif_wait, struct iwl_mvm, notif_wait);
	struct iwl_mvm_alive_data *alive_data = data;
	struct mvm_alive_resp *palive;

	palive = (void *)pkt->data;

	mvm->error_event_table = le32_to_cpu(palive->error_event_table_ptr);
	mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
	alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);

	alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK;
	IWL_DEBUG_FW(mvm,
		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
		     le16_to_cpu(palive->status), palive->ver_type,
		     palive->ver_subtype, palive->flags);

	return true;
}

static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
				  struct iwl_rx_packet *pkt, void *data)
{
	struct iwl_phy_db *phy_db = data;

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

	WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));

	return false;
}

static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
					 enum iwl_ucode_type ucode_type)
{
	struct iwl_notification_wait alive_wait;
	struct iwl_mvm_alive_data alive_data;
	const struct fw_img *fw;
	int ret, i;
	enum iwl_ucode_type old_type = mvm->cur_ucode;
	static const u8 alive_cmd[] = { MVM_ALIVE };

	mvm->cur_ucode = ucode_type;
	fw = iwl_get_ucode_image(mvm, ucode_type);

	mvm->ucode_loaded = false;

	if (!fw)
		return -EINVAL;

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

	ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
	if (ret) {
		mvm->cur_ucode = old_type;
		iwl_remove_notification(&mvm->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(&mvm->notif_wait, &alive_wait,
				    MVM_UCODE_ALIVE_TIMEOUT);
	if (ret) {
		mvm->cur_ucode = old_type;
		return ret;
	}

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

	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);

	/*
	 * Note: all the queues are enabled as part of the interface
	 * initialization, but in firmware restart scenarios they
	 * could be stopped, so wake them up. In firmware restart,
	 * mac80211 will have the queues stopped as well until the
	 * reconfiguration completes. During normal startup, they
	 * will be empty.
	 */

	for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
		if (i < IWL_MVM_FIRST_AGG_QUEUE && i != IWL_MVM_CMD_QUEUE)
			mvm->queue_to_mac80211[i] = i;
		else
			mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
		atomic_set(&mvm->queue_stop_count[i], 0);
	}

	mvm->transport_queue_stop = 0;

	mvm->ucode_loaded = true;

	return 0;
}

static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
	struct iwl_phy_cfg_cmd phy_cfg_cmd;
	enum iwl_ucode_type ucode_type = mvm->cur_ucode;

	/* Set parameters */
	phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
	phy_cfg_cmd.calib_control.event_trigger =
		mvm->fw->default_calib[ucode_type].event_trigger;
	phy_cfg_cmd.calib_control.flow_trigger =
		mvm->fw->default_calib[ucode_type].flow_trigger;

	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
		       phy_cfg_cmd.phy_cfg);

	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, CMD_SYNC,
				    sizeof(phy_cfg_cmd), &phy_cfg_cmd);
}

int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
{
	struct iwl_notification_wait calib_wait;
	static const u8 init_complete[] = {
		INIT_COMPLETE_NOTIF,
		CALIB_RES_NOTIF_PHY_DB
	};
	int ret;

	lockdep_assert_held(&mvm->mutex);

	if (mvm->init_ucode_complete)
		return 0;

	iwl_init_notification_wait(&mvm->notif_wait,
				   &calib_wait,
				   init_complete,
				   ARRAY_SIZE(init_complete),
				   iwl_wait_phy_db_entry,
				   mvm->phy_db);

	/* Will also start the device */
	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
	if (ret) {
		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
		goto error;
	}

	ret = iwl_send_bt_prio_tbl(mvm);
	if (ret)
		goto error;

	if (read_nvm) {
		/* Read nvm */
		ret = iwl_nvm_init(mvm);
		if (ret) {
			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
			goto error;
		}
	}

	ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
	WARN_ON(ret);

	/*
	 * abort after reading the nvm in case RF Kill is on, we will complete
	 * the init seq later when RF kill will switch to off
	 */
	if (iwl_mvm_is_radio_killed(mvm)) {
		IWL_DEBUG_RF_KILL(mvm,
				  "jump over all phy activities due to RF kill\n");
		iwl_remove_notification(&mvm->notif_wait, &calib_wait);
		return 1;
	}

	/* Send TX valid antennas before triggering calibrations */
	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
	if (ret)
		goto error;

	/*
	 * Send phy configurations command to init uCode
	 * to start the 16.0 uCode init image internal calibrations.
	 */
	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret) {
		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
			ret);
		goto error;
	}

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

error:
	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
out:
	if (!iwlmvm_mod_params.init_dbg) {
		iwl_trans_stop_device(mvm->trans);
	} else if (!mvm->nvm_data) {
		/* we want to debug INIT and we have no NVM - fake */
		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
					sizeof(struct ieee80211_channel) +
					sizeof(struct ieee80211_rate),
					GFP_KERNEL);
		if (!mvm->nvm_data)
			return -ENOMEM;
		mvm->nvm_data->valid_rx_ant = 1;
		mvm->nvm_data->valid_tx_ant = 1;
		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
		mvm->nvm_data->bands[0].n_channels = 1;
		mvm->nvm_data->bands[0].n_bitrates = 1;
		mvm->nvm_data->bands[0].bitrates =
			(void *)mvm->nvm_data->channels + 1;
		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
	}

	return ret;
}

#define UCODE_CALIB_TIMEOUT	(2*HZ)

int iwl_mvm_up(struct iwl_mvm *mvm)
{
	int ret, i;
	struct ieee80211_channel *chan;
	struct cfg80211_chan_def chandef;

	lockdep_assert_held(&mvm->mutex);

	ret = iwl_trans_start_hw(mvm->trans);
	if (ret)
		return ret;

	/*
	 * If we haven't completed the run of the init ucode during
	 * module loading, load init ucode now
	 * (for example, if we were in RFKILL)
	 */
	if (!mvm->init_ucode_complete) {
		ret = iwl_run_init_mvm_ucode(mvm, false);
		if (ret && !iwlmvm_mod_params.init_dbg) {
			IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
			/* this can't happen */
			if (WARN_ON(ret > 0))
				ret = -ERFKILL;
			goto error;
		}
		/* should stop & start HW since that INIT image just loaded */
		iwl_trans_stop_hw(mvm->trans, false);
		ret = iwl_trans_start_hw(mvm->trans);
		if (ret)
			return ret;
	}

	if (iwlmvm_mod_params.init_dbg)
		return 0;

	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
	if (ret) {
		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
		goto error;
	}

	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
	if (ret)
		goto error;

	ret = iwl_send_bt_prio_tbl(mvm);
	if (ret)
		goto error;

	ret = iwl_send_bt_init_conf(mvm);
	if (ret)
		goto error;

	/* Send phy db control command and then phy db calibration*/
	ret = iwl_send_phy_db_data(mvm->phy_db);
	if (ret)
		goto error;

	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret)
		goto error;

	/* init the fw <-> mac80211 STA mapping */
	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);

	/* Add auxiliary station for scanning */
	ret = iwl_mvm_add_aux_sta(mvm);
	if (ret)
		goto error;

	/* Add all the PHY contexts */
	chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
	for (i = 0; i < NUM_PHY_CTX; i++) {
		/*
		 * The channel used here isn't relevant as it's
		 * going to be overwritten in the other flows.
		 * For now use the first channel we have.
		 */
		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
					   &chandef, 1, 1);
		if (ret)
			goto error;
	}

	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
	return 0;
 error:
	iwl_trans_stop_device(mvm->trans);
	return ret;
}

int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
{
	int ret, i;

	lockdep_assert_held(&mvm->mutex);

	ret = iwl_trans_start_hw(mvm->trans);
	if (ret)
		return ret;

	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
	if (ret) {
		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
		goto error;
	}

	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
	if (ret)
		goto error;

	/* Send phy db control command and then phy db calibration*/
	ret = iwl_send_phy_db_data(mvm->phy_db);
	if (ret)
		goto error;

	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret)
		goto error;

	/* init the fw <-> mac80211 STA mapping */
	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);

	/* Add auxiliary station for scanning */
	ret = iwl_mvm_add_aux_sta(mvm);
	if (ret)
		goto error;

	return 0;
 error:
	iwl_trans_stop_device(mvm->trans);
	return ret;
}

int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
				    struct iwl_rx_cmd_buffer *rxb,
				    struct iwl_device_cmd *cmd)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
	u32 flags = le32_to_cpu(card_state_notif->flags);

	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
			  (flags & SW_CARD_DISABLED) ? "Kill" : "On",
			  (flags & CT_KILL_CARD_DISABLED) ?
			  "Reached" : "Not reached");

	return 0;
}

int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
			 struct iwl_device_cmd *cmd)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_radio_version_notif *radio_version = (void *)pkt->data;

	/* TODO: what to do with that? */
	IWL_DEBUG_INFO(mvm,
		       "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
		       le32_to_cpu(radio_version->radio_flavor),
		       le32_to_cpu(radio_version->radio_step),
		       le32_to_cpu(radio_version->radio_dash));
	return 0;
}
Commit	Line	Data
8ca151b5 JB	1	/******************************************************************************
	2	*
	3	* This file is provided under a dual BSD/GPLv2 license. When using or
	4	* redistributing this file, you may do so under either license.
	5	*
	6	* GPL LICENSE SUMMARY
	7	*
	8	* Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of version 2 of the GNU General Public License as
	12	* published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
	22	* USA
	23	*
	24	* The full GNU General Public License is included in this distribution
410dc5aa	25	* in the file called COPYING.
8ca151b5 JB	26	*
	27	* Contact Information:
	28	* Intel Linux Wireless <ilw@linux.intel.com>
	29	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	30	*
	31	* BSD LICENSE
	32	*
	33	* Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
	34	* All rights reserved.
	35	*
	36	* Redistribution and use in source and binary forms, with or without
	37	* modification, are permitted provided that the following conditions
	38	* are met:
	39	*
	40	* * Redistributions of source code must retain the above copyright
	41	* notice, this list of conditions and the following disclaimer.
	42	* * Redistributions in binary form must reproduce the above copyright
	43	* notice, this list of conditions and the following disclaimer in
	44	* the documentation and/or other materials provided with the
	45	* distribution.
	46	* * Neither the name Intel Corporation nor the names of its
	47	* contributors may be used to endorse or promote products derived
	48	* from this software without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	51	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	52	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	53	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	54	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	55	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	56	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	57	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	58	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	59	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	60	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	61	*
	62	*****************************************************************************/
	63	#include <net/mac80211.h>
	64
	65	#include "iwl-trans.h"
	66	#include "iwl-op-mode.h"
	67	#include "iwl-fw.h"
	68	#include "iwl-debug.h"
	69	#include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
	70	#include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
	71	#include "iwl-eeprom-parse.h"
	72
	73	#include "mvm.h"
	74	#include "iwl-phy-db.h"
	75
	76	#define MVM_UCODE_ALIVE_TIMEOUT HZ
	77	#define MVM_UCODE_CALIB_TIMEOUT (2*HZ)
	78
	79	#define UCODE_VALID_OK cpu_to_le32(0x1)
	80
8ca151b5 JB	81	struct iwl_mvm_alive_data {
	82	bool valid;
	83	u32 scd_base_addr;
	84	};
	85
	86	static inline const struct fw_img *
	87	iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
	88	{
	89	if (ucode_type >= IWL_UCODE_TYPE_MAX)
	90	return NULL;
	91
	92	return &mvm->fw->img[ucode_type];
	93	}
	94
	95	static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
	96	{
	97	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
	98	.valid = cpu_to_le32(valid_tx_ant),
	99	};
	100
33223542	101	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
8ca151b5 JB	102	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC,
	103	sizeof(tx_ant_cmd), &tx_ant_cmd);
	104	}
	105
	106	static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
	107	struct iwl_rx_packet pkt, void data)
	108	{
	109	struct iwl_mvm *mvm =
	110	container_of(notif_wait, struct iwl_mvm, notif_wait);
	111	struct iwl_mvm_alive_data *alive_data = data;
	112	struct mvm_alive_resp *palive;
	113
	114	palive = (void *)pkt->data;
	115
	116	mvm->error_event_table = le32_to_cpu(palive->error_event_table_ptr);
	117	mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr);
	118	alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
	119
	120	alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK;
1b53f218 EG	121	IWL_DEBUG_FW(mvm,
1b53f218 EG	122	"Alive ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
8ca151b5	123	le16_to_cpu(palive->status), palive->ver_type,
1b53f218	124	palive->ver_subtype, palive->flags);
8ca151b5 JB	125
	126	return true;
	127	}
	128
	129	static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
	130	struct iwl_rx_packet pkt, void data)
	131	{
	132	struct iwl_phy_db *phy_db = data;
	133
	134	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
	135	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
	136	return true;
	137	}
	138
	139	WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC));
	140
	141	return false;
	142	}
	143
	144	static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
	145	enum iwl_ucode_type ucode_type)
	146	{
	147	struct iwl_notification_wait alive_wait;
	148	struct iwl_mvm_alive_data alive_data;
	149	const struct fw_img *fw;
	150	int ret, i;
	151	enum iwl_ucode_type old_type = mvm->cur_ucode;
	152	static const u8 alive_cmd[] = { MVM_ALIVE };
	153
	154	mvm->cur_ucode = ucode_type;
	155	fw = iwl_get_ucode_image(mvm, ucode_type);
	156
	157	mvm->ucode_loaded = false;
	158
	159	if (!fw)
	160	return -EINVAL;
	161
	162	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
	163	alive_cmd, ARRAY_SIZE(alive_cmd),
	164	iwl_alive_fn, &alive_data);
	165
	166	ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
	167	if (ret) {
	168	mvm->cur_ucode = old_type;
	169	iwl_remove_notification(&mvm->notif_wait, &alive_wait);
	170	return ret;
	171	}
	172
	173	/*
	174	* Some things may run in the background now, but we
	175	* just wait for the ALIVE notification here.
	176	*/
	177	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
	178	MVM_UCODE_ALIVE_TIMEOUT);
	179	if (ret) {
	180	mvm->cur_ucode = old_type;
	181	return ret;
	182	}
	183
	184	if (!alive_data.valid) {
	185	IWL_ERR(mvm, "Loaded ucode is not valid!\n");
	186	mvm->cur_ucode = old_type;
	187	return -EIO;
	188	}
189
190	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);
191
192	/*
193	* Note: all the queues are enabled as part of the interface
194	* initialization, but in firmware restart scenarios they
195	* could be stopped, so wake them up. In firmware restart,
196	* mac80211 will have the queues stopped as well until the
197	* reconfiguration completes. During normal startup, they
198	* will be empty.
199	*/
200
201	for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
202	if (i < IWL_MVM_FIRST_AGG_QUEUE && i != IWL_MVM_CMD_QUEUE)
203	mvm->queue_to_mac80211[i] = i;
204	else
205	mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
206	atomic_set(&mvm->queue_stop_count[i], 0);
207	}
208
209	mvm->transport_queue_stop = 0;
210
211	mvm->ucode_loaded = true;
212
213	return 0;
214	}
8ca151b5 JB	215
	216	static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
	217	{
	218	struct iwl_phy_cfg_cmd phy_cfg_cmd;
	219	enum iwl_ucode_type ucode_type = mvm->cur_ucode;
	220
	221	/* Set parameters */
6221d47c	222	phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
8ca151b5 JB	223	phy_cfg_cmd.calib_control.event_trigger =
	224	mvm->fw->default_calib[ucode_type].event_trigger;
	225	phy_cfg_cmd.calib_control.flow_trigger =
	226	mvm->fw->default_calib[ucode_type].flow_trigger;
	227
	228	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
	229	phy_cfg_cmd.phy_cfg);
	230
	231	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, CMD_SYNC,
	232	sizeof(phy_cfg_cmd), &phy_cfg_cmd);
	233	}
	234
8ca151b5 JB	235	int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
	236	{
	237	struct iwl_notification_wait calib_wait;
	238	static const u8 init_complete[] = {
	239	INIT_COMPLETE_NOTIF,
	240	CALIB_RES_NOTIF_PHY_DB
	241	};
	242	int ret;
	243
	244	lockdep_assert_held(&mvm->mutex);
	245
ff116373	246	if (mvm->init_ucode_complete)
8ca151b5 JB	247	return 0;
	248
	249	iwl_init_notification_wait(&mvm->notif_wait,
	250	&calib_wait,
	251	init_complete,
	252	ARRAY_SIZE(init_complete),
	253	iwl_wait_phy_db_entry,
	254	mvm->phy_db);
	255
	256	/* Will also start the device */
	257	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
	258	if (ret) {
	259	IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
	260	goto error;
	261	}
	262
931d4160 EG	263	ret = iwl_send_bt_prio_tbl(mvm);
	264	if (ret)
	265	goto error;
	266
8ca151b5 JB	267	if (read_nvm) {
	268	/* Read nvm */
	269	ret = iwl_nvm_init(mvm);
	270	if (ret) {
	271	IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
	272	goto error;
	273	}
	274	}
	275
	276	ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
	277	WARN_ON(ret);
	278
4f59334b EH	279	/*
	280	* abort after reading the nvm in case RF Kill is on, we will complete
	281	* the init seq later when RF kill will switch to off
	282	*/
9ee718aa	283	if (iwl_mvm_is_radio_killed(mvm)) {
4f59334b EH	284	IWL_DEBUG_RF_KILL(mvm,
	285	"jump over all phy activities due to RF kill\n");
	286	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
	287	return 1;
	288	}
	289
e07cbb53	290	/* Send TX valid antennas before triggering calibrations */
33223542	291	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
e07cbb53 DS	292	if (ret)
	293	goto error;
	294
8ca151b5 JB	295	/*
	296	* Send phy configurations command to init uCode
	297	* to start the 16.0 uCode init image internal calibrations.
	298	*/
	299	ret = iwl_send_phy_cfg_cmd(mvm);
	300	if (ret) {
	301	IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
	302	ret);
	303	goto error;
	304	}
	305
	306	/*
	307	* Some things may run in the background now, but we
	308	* just wait for the calibration complete notification.
	309	*/
	310	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
	311	MVM_UCODE_CALIB_TIMEOUT);
	312	if (!ret)
ff116373	313	mvm->init_ucode_complete = true;
8ca151b5 JB	314	goto out;
	315
	316	error:
	317	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
	318	out:
	319	if (!iwlmvm_mod_params.init_dbg) {
	320	iwl_trans_stop_device(mvm->trans);
	321	} else if (!mvm->nvm_data) {
	322	/* we want to debug INIT and we have no NVM - fake */
	323	mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
	324	sizeof(struct ieee80211_channel) +
	325	sizeof(struct ieee80211_rate),
	326	GFP_KERNEL);
	327	if (!mvm->nvm_data)
	328	return -ENOMEM;
	329	mvm->nvm_data->valid_rx_ant = 1;
	330	mvm->nvm_data->valid_tx_ant = 1;
	331	mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
	332	mvm->nvm_data->bands[0].n_channels = 1;
	333	mvm->nvm_data->bands[0].n_bitrates = 1;
	334	mvm->nvm_data->bands[0].bitrates =
	335	(void *)mvm->nvm_data->channels + 1;
	336	mvm->nvm_data->bands[0].bitrates->hw_value = 10;
	337	}
	338
	339	return ret;
	340	}
	341
	342	#define UCODE_CALIB_TIMEOUT (2*HZ)
	343
	344	int iwl_mvm_up(struct iwl_mvm *mvm)
	345	{
	346	int ret, i;
53a9d61e IP	347	struct ieee80211_channel *chan;
53a9d61e IP	348	struct cfg80211_chan_def chandef;
8ca151b5 JB	349
	350	lockdep_assert_held(&mvm->mutex);
	351
	352	ret = iwl_trans_start_hw(mvm->trans);
	353	if (ret)
	354	return ret;
	355
ff116373 EL	356	/*
	357	* If we haven't completed the run of the init ucode during
	358	* module loading, load init ucode now
	359	* (for example, if we were in RFKILL)
	360	*/
	361	if (!mvm->init_ucode_complete) {
8ca151b5 JB	362	ret = iwl_run_init_mvm_ucode(mvm, false);
	363	if (ret && !iwlmvm_mod_params.init_dbg) {
	364	IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
4f59334b EH	365	/* this can't happen */
	366	if (WARN_ON(ret > 0))
	367	ret = -ERFKILL;
8ca151b5 JB	368	goto error;
8ca151b5 JB	369	}
4f59334b EH	370	/* should stop & start HW since that INIT image just loaded */
	371	iwl_trans_stop_hw(mvm->trans, false);
	372	ret = iwl_trans_start_hw(mvm->trans);
	373	if (ret)
	374	return ret;
8ca151b5 JB	375	}
	376
	377	if (iwlmvm_mod_params.init_dbg)
	378	return 0;
	379
	380	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
	381	if (ret) {
	382	IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
	383	goto error;
	384	}
	385
33223542	386	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
8ca151b5 JB	387	if (ret)
	388	goto error;
	389
931d4160 EG	390	ret = iwl_send_bt_prio_tbl(mvm);
	391	if (ret)
	392	goto error;
	393
	394	ret = iwl_send_bt_init_conf(mvm);
	395	if (ret)
	396	goto error;
	397
8ca151b5 JB	398	/* Send phy db control command and then phy db calibration*/
	399	ret = iwl_send_phy_db_data(mvm->phy_db);
	400	if (ret)
	401	goto error;
	402
	403	ret = iwl_send_phy_cfg_cmd(mvm);
	404	if (ret)
	405	goto error;
	406
	407	/* init the fw <-> mac80211 STA mapping */
	408	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
	409	RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
	410
	411	/* Add auxiliary station for scanning */
	412	ret = iwl_mvm_add_aux_sta(mvm);
	413	if (ret)
	414	goto error;
	415
53a9d61e IP	416	/* Add all the PHY contexts */
	417	chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
	418	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
	419	for (i = 0; i < NUM_PHY_CTX; i++) {
	420	/*
	421	* The channel used here isn't relevant as it's
	422	* going to be overwritten in the other flows.
	423	* For now use the first channel we have.
	424	*/
	425	ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
	426	&chandef, 1, 1);
	427	if (ret)
	428	goto error;
	429	}
8ca151b5	430
53a9d61e	431	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
8ca151b5 JB	432	return 0;
	433	error:
	434	iwl_trans_stop_device(mvm->trans);
	435	return ret;
	436	}
	437
	438	int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
	439	{
	440	int ret, i;
	441
	442	lockdep_assert_held(&mvm->mutex);
	443
	444	ret = iwl_trans_start_hw(mvm->trans);
	445	if (ret)
	446	return ret;
	447
	448	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
	449	if (ret) {
	450	IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
	451	goto error;
	452	}
	453
33223542	454	ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw));
8ca151b5 JB	455	if (ret)
	456	goto error;
	457
	458	/* Send phy db control command and then phy db calibration*/
	459	ret = iwl_send_phy_db_data(mvm->phy_db);
	460	if (ret)
	461	goto error;
	462
	463	ret = iwl_send_phy_cfg_cmd(mvm);
	464	if (ret)
	465	goto error;
	466
	467	/* init the fw <-> mac80211 STA mapping */
	468	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
	469	RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);
	470
	471	/* Add auxiliary station for scanning */
	472	ret = iwl_mvm_add_aux_sta(mvm);
	473	if (ret)
	474	goto error;
	475
	476	return 0;
	477	error:
	478	iwl_trans_stop_device(mvm->trans);
	479	return ret;
	480	}
	481
	482	int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
	483	struct iwl_rx_cmd_buffer *rxb,
	484	struct iwl_device_cmd *cmd)
	485	{
	486	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	487	struct iwl_card_state_notif card_state_notif = (void )pkt->data;
	488	u32 flags = le32_to_cpu(card_state_notif->flags);
	489
	490	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
	491	(flags & HW_CARD_DISABLED) ? "Kill" : "On",
	492	(flags & SW_CARD_DISABLED) ? "Kill" : "On",
	493	(flags & CT_KILL_CARD_DISABLED) ?
	494	"Reached" : "Not reached");
	495
8ca151b5 JB	496	return 0;
	497	}
	498
	499	int iwl_mvm_rx_radio_ver(struct iwl_mvm mvm, struct iwl_rx_cmd_buffer rxb,
	500	struct iwl_device_cmd *cmd)
	501	{
	502	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	503	struct iwl_radio_version_notif radio_version = (void )pkt->data;
	504
	505	/* TODO: what to do with that? */
	506	IWL_DEBUG_INFO(mvm,
	507	"Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n",
	508	le32_to_cpu(radio_version->radio_flavor),
	509	le32_to_cpu(radio_version->radio_step),
	510	le32_to_cpu(radio_version->radio_dash));
	511	return 0;
	512	}