fw.c 35.1 KB
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/******************************************************************************
 *
 * 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
 *
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 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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 *
 * 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
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 * in the file called COPYING.
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 *
 * Contact Information:
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 *  Intel Linux Wireless <linuxwifi@intel.com>
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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
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 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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 * 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>
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#include <linux/netdevice.h>
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#include <linux/acpi.h>
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#include "iwl-trans.h"
#include "iwl-op-mode.h"
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#include "fw/img.h"
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#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 */
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#include "iwl-prph.h"
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#include "iwl-eeprom-parse.h"

#include "mvm.h"
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#include "fw/dbg.h"
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#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 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),
	};

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	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
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	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
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				    sizeof(tx_ant_cmd), &tx_ant_cmd);
}

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static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
{
	int i;
	struct iwl_rss_config_cmd cmd = {
		.flags = cpu_to_le32(IWL_RSS_ENABLE),
		.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
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			     IWL_RSS_HASH_TYPE_IPV4_UDP |
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			     IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
			     IWL_RSS_HASH_TYPE_IPV6_TCP |
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			     IWL_RSS_HASH_TYPE_IPV6_UDP |
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			     IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
	};

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	if (mvm->trans->num_rx_queues == 1)
		return 0;

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	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
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	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
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		cmd.indirection_table[i] =
			1 + (i % (mvm->trans->num_rx_queues - 1));
	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
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	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
}

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static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
{
	struct iwl_dqa_enable_cmd dqa_cmd = {
		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
	};
	u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
	int ret;

	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
	if (ret)
		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
	else
		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");

	return ret;
}

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void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
				   struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_mfu_assert_dump_notif *mfu_dump_notif = (void *)pkt->data;
	__le32 *dump_data = mfu_dump_notif->data;
	int n_words = le32_to_cpu(mfu_dump_notif->data_size) / sizeof(__le32);
	int i;

	if (mfu_dump_notif->index_num == 0)
		IWL_INFO(mvm, "MFUART assert id 0x%x occurred\n",
			 le32_to_cpu(mfu_dump_notif->assert_id));

	for (i = 0; i < n_words; i++)
		IWL_DEBUG_INFO(mvm,
			       "MFUART assert dump, dword %u: 0x%08x\n",
			       le16_to_cpu(mfu_dump_notif->index_num) *
			       n_words + i,
			       le32_to_cpu(dump_data[i]));
}

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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;
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	struct mvm_alive_resp_v3 *palive3;
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	struct mvm_alive_resp *palive;
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	struct iwl_umac_alive *umac;
	struct iwl_lmac_alive *lmac1;
	struct iwl_lmac_alive *lmac2 = NULL;
	u16 status;
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	if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
		palive = (void *)pkt->data;
		umac = &palive->umac_data;
		lmac1 = &palive->lmac_data[0];
		lmac2 = &palive->lmac_data[1];
		status = le16_to_cpu(palive->status);
	} else {
		palive3 = (void *)pkt->data;
		umac = &palive3->umac_data;
		lmac1 = &palive3->lmac_data;
		status = le16_to_cpu(palive3->status);
	}
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	mvm->error_event_table[0] = le32_to_cpu(lmac1->error_event_table_ptr);
	if (lmac2)
		mvm->error_event_table[1] =
			le32_to_cpu(lmac2->error_event_table_ptr);
	mvm->log_event_table = le32_to_cpu(lmac1->log_event_table_ptr);
	mvm->sf_space.addr = le32_to_cpu(lmac1->st_fwrd_addr);
	mvm->sf_space.size = le32_to_cpu(lmac1->st_fwrd_size);
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	mvm->umac_error_event_table = le32_to_cpu(umac->error_info_addr);
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	alive_data->scd_base_addr = le32_to_cpu(lmac1->scd_base_ptr);
	alive_data->valid = status == IWL_ALIVE_STATUS_OK;
	if (mvm->umac_error_event_table)
		mvm->support_umac_log = true;
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	IWL_DEBUG_FW(mvm,
		     "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n",
		     status, lmac1->ver_type, lmac1->ver_subtype);
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	if (lmac2)
		IWL_DEBUG_FW(mvm, "Alive ucode CDB\n");
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	IWL_DEBUG_FW(mvm,
		     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
		     le32_to_cpu(umac->umac_major),
		     le32_to_cpu(umac->umac_minor));
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	return true;
}

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static bool iwl_wait_init_complete(struct iwl_notif_wait_data *notif_wait,
				   struct iwl_rx_packet *pkt, void *data)
{
	WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);

	return true;
}

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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;
	}

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	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
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	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;
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	enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
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	static const u16 alive_cmd[] = { MVM_ALIVE };
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	struct iwl_sf_region st_fwrd_space;
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	if (ucode_type == IWL_UCODE_REGULAR &&
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	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
	    !(fw_has_capa(&mvm->fw->ucode_capa,
			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
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		fw = iwl_get_ucode_image(mvm->fw, IWL_UCODE_REGULAR_USNIFFER);
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	else
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		fw = iwl_get_ucode_image(mvm->fw, ucode_type);
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	if (WARN_ON(!fw))
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		return -EINVAL;
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	iwl_fw_set_current_image(&mvm->fwrt, ucode_type);
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	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
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	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) {
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		iwl_fw_set_current_image(&mvm->fwrt, old_type);
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		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) {
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		struct iwl_trans *trans = mvm->trans;

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		if (trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
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			IWL_ERR(mvm,
				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
				iwl_read_prph(trans, UMAG_SB_CPU_1_STATUS),
				iwl_read_prph(trans, UMAG_SB_CPU_2_STATUS));
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		else if (trans->cfg->device_family >= IWL_DEVICE_FAMILY_8000)
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			IWL_ERR(mvm,
				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
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				iwl_read_prph(trans, SB_CPU_1_STATUS),
				iwl_read_prph(trans, SB_CPU_2_STATUS));
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		iwl_fw_set_current_image(&mvm->fwrt, old_type);
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		return ret;
	}

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

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	/*
	 * update the sdio allocation according to the pointer we get in the
	 * alive notification.
	 */
	st_fwrd_space.addr = mvm->sf_space.addr;
	st_fwrd_space.size = mvm->sf_space.size;
	ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
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	if (ret) {
		IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
		return ret;
	}
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	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.
	 */

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	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
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	mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
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	for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
		atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
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	set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
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	return 0;
}

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static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
{
	struct iwl_notification_wait init_wait;
	struct iwl_nvm_access_complete_cmd nvm_complete = {};
	struct iwl_init_extended_cfg_cmd init_cfg = {
		.init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)),
	};
	static const u16 init_complete[] = {
		INIT_COMPLETE_NOTIF,
	};
	int ret;

	lockdep_assert_held(&mvm->mutex);

	iwl_init_notification_wait(&mvm->notif_wait,
				   &init_wait,
				   init_complete,
				   ARRAY_SIZE(init_complete),
				   iwl_wait_init_complete,
				   NULL);

	/* Will also start the device */
	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;
	}

	/* Send init config command to mark that we are sending NVM access
	 * commands
	 */
	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP,
						INIT_EXTENDED_CFG_CMD), 0,
				   sizeof(init_cfg), &init_cfg);
	if (ret) {
		IWL_ERR(mvm, "Failed to run init config command: %d\n",
			ret);
		goto error;
	}

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	/* Load NVM to NIC if needed */
	if (mvm->nvm_file_name) {
		iwl_mvm_read_external_nvm(mvm);
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		iwl_mvm_load_nvm_to_nic(mvm);
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	}
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	if (IWL_MVM_PARSE_NVM && read_nvm) {
		ret = iwl_nvm_init(mvm, true);
		if (ret) {
			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
			goto error;
		}
	}

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	ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
						NVM_ACCESS_COMPLETE), 0,
				   sizeof(nvm_complete), &nvm_complete);
	if (ret) {
		IWL_ERR(mvm, "Failed to run complete NVM access: %d\n",
			ret);
		goto error;
	}

	/* We wait for the INIT complete notification */
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	ret = iwl_wait_notification(&mvm->notif_wait, &init_wait,
				    MVM_UCODE_ALIVE_TIMEOUT);
	if (ret)
		return ret;

	/* Read the NVM only at driver load time, no need to do this twice */
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	if (!IWL_MVM_PARSE_NVM && read_nvm) {
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		ret = iwl_mvm_nvm_get_from_fw(mvm);
		if (ret) {
			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
			return ret;
		}
	}

	return 0;
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error:
	iwl_remove_notification(&mvm->notif_wait, &init_wait);
	return ret;
}

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static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
	struct iwl_phy_cfg_cmd phy_cfg_cmd;
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	enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
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	/* Set parameters */
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	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
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	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);

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	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
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				    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;
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	static const u16 init_complete[] = {
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		INIT_COMPLETE_NOTIF,
		CALIB_RES_NOTIF_PHY_DB
	};
	int ret;

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	if (iwl_mvm_has_unified_ucode(mvm))
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		return iwl_run_unified_mvm_ucode(mvm, true);

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	lockdep_assert_held(&mvm->mutex);

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	if (WARN_ON_ONCE(mvm->calibrating))
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		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;
	}

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	if (mvm->cfg->device_family < IWL_DEVICE_FAMILY_8000) {
		ret = iwl_mvm_send_bt_init_conf(mvm);
		if (ret)
			goto error;
	}
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	/* Read the NVM only at driver load time, no need to do this twice */
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	if (read_nvm) {
		/* Read nvm */
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		ret = iwl_nvm_init(mvm, true);
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		if (ret) {
			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
			goto error;
		}
	}

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	/* In case we read the NVM from external file, load it to the NIC */
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	if (mvm->nvm_file_name)
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		iwl_mvm_load_nvm_to_nic(mvm);

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

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	/*
	 * 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
	 */
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	if (iwl_mvm_is_radio_hw_killed(mvm)) {
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		IWL_DEBUG_RF_KILL(mvm,
				  "jump over all phy activities due to RF kill\n");
		iwl_remove_notification(&mvm->notif_wait, &calib_wait);
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		ret = 1;
		goto out;
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	}

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	mvm->calibrating = true;

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

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521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537
	/*
	 * 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);
538

539
	if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
540 541 542
		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
		ret = 1;
	}
J
Johannes Berg 已提交
543 544 545 546 547
	goto out;

error:
	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
out:
548
	mvm->calibrating = false;
549
	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
J
Johannes Berg 已提交
550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567
		/* 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->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;
}

568 569 570 571 572 573 574 575 576 577 578 579 580
static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
{
	struct iwl_ltr_config_cmd cmd = {
		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
	};

	if (!mvm->trans->ltr_enabled)
		return 0;

	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
				    sizeof(cmd), &cmd);
}

581 582
#ifdef CONFIG_ACPI
#define ACPI_WRDS_METHOD		"WRDS"
583
#define ACPI_EWRD_METHOD		"EWRD"
584
#define ACPI_WGDS_METHOD		"WGDS"
585
#define ACPI_WIFI_DOMAIN		(0x07)
586
#define ACPI_WRDS_WIFI_DATA_SIZE	(IWL_MVM_SAR_TABLE_SIZE + 2)
587 588
#define ACPI_EWRD_WIFI_DATA_SIZE	((IWL_MVM_SAR_PROFILE_NUM - 1) * \
					 IWL_MVM_SAR_TABLE_SIZE + 3)
589 590 591
#define ACPI_WGDS_WIFI_DATA_SIZE	18
#define ACPI_WGDS_NUM_BANDS		2
#define ACPI_WGDS_TABLE_SIZE		3
592 593 594 595 596 597 598

static int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
				   union acpi_object *table,
				   struct iwl_mvm_sar_profile *profile,
				   bool enabled)
{
	int i;
599

600
	profile->enabled = enabled;
601

602 603 604 605 606 607 608 609 610 611 612 613 614 615
	for (i = 0; i < IWL_MVM_SAR_TABLE_SIZE; i++) {
		if ((table[i].type != ACPI_TYPE_INTEGER) ||
		    (table[i].integer.value > U8_MAX))
			return -EINVAL;

		profile->table[i] = table[i].integer.value;
	}

	return 0;
}

static union acpi_object *iwl_mvm_sar_find_wifi_pkg(struct iwl_mvm *mvm,
						    union acpi_object *data,
						    int data_size)
616
{
617
	union acpi_object *wifi_pkg = NULL;
618
	int i;
619

620 621
	/*
	 * We need at least two packages, one for the revision and one
622 623
	 * for the data itself.  Also check that the revision is valid
	 * (i.e. it is an integer set to 0).
624 625 626 627 628 629 630
	 */
	if (data->type != ACPI_TYPE_PACKAGE ||
	    data->package.count < 2 ||
	    data->package.elements[0].type != ACPI_TYPE_INTEGER ||
	    data->package.elements[0].integer.value != 0) {
		IWL_DEBUG_RADIO(mvm, "Unsupported packages structure\n");
		return ERR_PTR(-EINVAL);
631 632 633
	}

	/* loop through all the packages to find the one for WiFi */
634
	for (i = 1; i < data->package.count; i++) {
635 636
		union acpi_object *domain;

637
		wifi_pkg = &data->package.elements[i];
638 639 640

		/* Skip anything that is not a package with the right
		 * amount of elements (i.e. domain_type,
641
		 * enabled/disabled plus the actual data size.
642
		 */
643 644
		if (wifi_pkg->type != ACPI_TYPE_PACKAGE ||
		    wifi_pkg->package.count != data_size)
645 646
			continue;

647
		domain = &wifi_pkg->package.elements[0];
648
		if (domain->type == ACPI_TYPE_INTEGER &&
649
		    domain->integer.value == ACPI_WIFI_DOMAIN)
650 651
			break;

652
		wifi_pkg = NULL;
653 654
	}

655 656
	if (!wifi_pkg)
		return ERR_PTR(-ENOENT);
657

658
	return wifi_pkg;
659 660
}

661
static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
662
{
663
	union acpi_object *wifi_pkg, *table;
664 665 666 667
	acpi_handle root_handle;
	acpi_handle handle;
	struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
	acpi_status status;
668
	bool enabled;
669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692
	int ret;

	root_handle = ACPI_HANDLE(mvm->dev);
	if (!root_handle) {
		IWL_DEBUG_RADIO(mvm,
				"Could not retrieve root port ACPI handle\n");
		return -ENOENT;
	}

	/* Get the method's handle */
	status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
				 &handle);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
		return -ENOENT;
	}

	/* Call WRDS with no arguments */
	status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
		return -ENOENT;
	}

693 694 695 696 697 698 699 700 701 702 703 704 705
	wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wrds.pointer,
					     ACPI_WRDS_WIFI_DATA_SIZE);
	if (IS_ERR(wifi_pkg)) {
		ret = PTR_ERR(wifi_pkg);
		goto out_free;
	}

	if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
		ret = -EINVAL;
		goto out_free;
	}

	enabled = !!(wifi_pkg->package.elements[1].integer.value);
706

707 708 709 710 711 712 713 714 715 716 717
	/* position of the actual table */
	table = &wifi_pkg->package.elements[2];

	/* The profile from WRDS is officially profile 1, but goes
	 * into sar_profiles[0] (because we don't have a profile 0).
	 */
	ret = iwl_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
				      enabled);

out_free:
	kfree(wrds.pointer);
718 719 720
	return ret;
}

721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768
static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
{
	union acpi_object *wifi_pkg;
	acpi_handle root_handle;
	acpi_handle handle;
	struct acpi_buffer ewrd = {ACPI_ALLOCATE_BUFFER, NULL};
	acpi_status status;
	bool enabled;
	int i, n_profiles, ret;

	root_handle = ACPI_HANDLE(mvm->dev);
	if (!root_handle) {
		IWL_DEBUG_RADIO(mvm,
				"Could not retrieve root port ACPI handle\n");
		return -ENOENT;
	}

	/* Get the method's handle */
	status = acpi_get_handle(root_handle, (acpi_string)ACPI_EWRD_METHOD,
				 &handle);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "EWRD method not found\n");
		return -ENOENT;
	}

	/* Call EWRD with no arguments */
	status = acpi_evaluate_object(handle, NULL, NULL, &ewrd);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "EWRD invocation failed (0x%x)\n", status);
		return -ENOENT;
	}

	wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, ewrd.pointer,
					     ACPI_EWRD_WIFI_DATA_SIZE);
	if (IS_ERR(wifi_pkg)) {
		ret = PTR_ERR(wifi_pkg);
		goto out_free;
	}

	if ((wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) ||
	    (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER)) {
		ret = -EINVAL;
		goto out_free;
	}

	enabled = !!(wifi_pkg->package.elements[1].integer.value);
	n_profiles = wifi_pkg->package.elements[2].integer.value;

769 770 771 772 773 774
	/* in case of BIOS bug */
	if (n_profiles <= 0) {
		ret = -EINVAL;
		goto out_free;
	}

775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798
	for (i = 0; i < n_profiles; i++) {
		/* the tables start at element 3 */
		static int pos = 3;

		/* The EWRD profiles officially go from 2 to 4, but we
		 * save them in sar_profiles[1-3] (because we don't
		 * have profile 0).  So in the array we start from 1.
		 */
		ret = iwl_mvm_sar_set_profile(mvm,
					      &wifi_pkg->package.elements[pos],
					      &mvm->sar_profiles[i + 1],
					      enabled);
		if (ret < 0)
			break;

		/* go to the next table */
		pos += IWL_MVM_SAR_TABLE_SIZE;
	}

out_free:
	kfree(ewrd.pointer);
	return ret;
}

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Haim Dreyfuss 已提交
799
static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
800 801 802 803 804 805
{
	union acpi_object *wifi_pkg;
	acpi_handle root_handle;
	acpi_handle handle;
	struct acpi_buffer wgds = {ACPI_ALLOCATE_BUFFER, NULL};
	acpi_status status;
H
Haim Dreyfuss 已提交
806 807
	int i, j, ret;
	int idx = 1;
808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837

	root_handle = ACPI_HANDLE(mvm->dev);
	if (!root_handle) {
		IWL_DEBUG_RADIO(mvm,
				"Could not retrieve root port ACPI handle\n");
		return -ENOENT;
	}

	/* Get the method's handle */
	status = acpi_get_handle(root_handle, (acpi_string)ACPI_WGDS_METHOD,
				 &handle);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WGDS method not found\n");
		return -ENOENT;
	}

	/* Call WGDS with no arguments */
	status = acpi_evaluate_object(handle, NULL, NULL, &wgds);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WGDS invocation failed (0x%x)\n", status);
		return -ENOENT;
	}

	wifi_pkg = iwl_mvm_sar_find_wifi_pkg(mvm, wgds.pointer,
					     ACPI_WGDS_WIFI_DATA_SIZE);
	if (IS_ERR(wifi_pkg)) {
		ret = PTR_ERR(wifi_pkg);
		goto out_free;
	}

H
Haim Dreyfuss 已提交
838 839 840
	for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
		for (j = 0; j < IWL_MVM_GEO_TABLE_SIZE; j++) {
			union acpi_object *entry;
841

H
Haim Dreyfuss 已提交
842 843 844 845
			entry = &wifi_pkg->package.elements[idx++];
			if ((entry->type != ACPI_TYPE_INTEGER) ||
			    (entry->integer.value > U8_MAX))
				return -EINVAL;
846

H
Haim Dreyfuss 已提交
847 848
			mvm->geo_profiles[i].values[j] = entry->integer.value;
		}
849 850 851 852 853 854 855
	}
	ret = 0;
out_free:
	kfree(wgds.pointer);
	return ret;
}

856
int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
857 858
{
	struct iwl_dev_tx_power_cmd cmd = {
859
		.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
860
	};
861 862
	int i, j, idx;
	int profs[IWL_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
863
	int len = sizeof(cmd);
864

865 866 867 868
	BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS < 2);
	BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
		     IWL_MVM_SAR_TABLE_SIZE);

869 870 871
	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
		len = sizeof(cmd.v3);

872 873
	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
		struct iwl_mvm_sar_profile *prof;
874

875 876 877
		/* don't allow SAR to be disabled (profile 0 means disable) */
		if (profs[i] == 0)
			return -EPERM;
878

879 880 881
		/* we are off by one, so allow up to IWL_MVM_SAR_PROFILE_NUM */
		if (profs[i] > IWL_MVM_SAR_PROFILE_NUM)
			return -EINVAL;
882

883 884 885 886 887 888 889 890 891 892
		/* profiles go from 1 to 4, so decrement to access the array */
		prof = &mvm->sar_profiles[profs[i] - 1];

		/* if the profile is disabled, do nothing */
		if (!prof->enabled) {
			IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
					profs[i]);
			/* if one of the profiles is disabled, we fail all */
			return -ENOENT;
		}
893 894 895 896

		IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
		for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
			idx = (i * IWL_NUM_SUB_BANDS) + j;
897
			cmd.v3.per_chain_restriction[i][j] =
898
				cpu_to_le16(prof->table[idx]);
899
			IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
900
					j, prof->table[idx]);
901 902 903
		}
	}

904 905 906 907 908
	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");

	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}

H
Haim Dreyfuss 已提交
909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
	struct iwl_geo_tx_power_profiles_resp *resp;
	int ret;

	struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
		.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
	};
	struct iwl_host_cmd cmd = {
		.id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
		.len = { sizeof(geo_cmd), },
		.flags = CMD_WANT_SKB,
		.data = { &geo_cmd },
	};

	ret = iwl_mvm_send_cmd(mvm, &cmd);
	if (ret) {
		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
		return ret;
	}

	resp = (void *)cmd.resp_pkt->data;
	ret = le32_to_cpu(resp->profile_idx);
	if (WARN_ON(ret > IWL_NUM_GEO_PROFILES)) {
		ret = -EIO;
		IWL_WARN(mvm, "Invalid geographic profile idx (%d)\n", ret);
	}

	iwl_free_resp(&cmd);
	return ret;
}

941 942 943 944 945
static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
{
	struct iwl_geo_tx_power_profiles_cmd cmd = {
		.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
	};
H
Haim Dreyfuss 已提交
946
	int ret, i, j;
947 948
	u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);

H
Haim Dreyfuss 已提交
949
	ret = iwl_mvm_sar_get_wgds_table(mvm);
950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969
	if (ret < 0) {
		IWL_DEBUG_RADIO(mvm,
				"Geo SAR BIOS table invalid or unavailable. (%d)\n",
				ret);
		/* we don't fail if the table is not available */
		return 0;
	}

	IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");

	BUILD_BUG_ON(IWL_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS *
		     ACPI_WGDS_TABLE_SIZE !=  ACPI_WGDS_WIFI_DATA_SIZE);

	for (i = 0; i < IWL_NUM_GEO_PROFILES; i++) {
		struct iwl_per_chain_offset *chain =
			(struct iwl_per_chain_offset *)&cmd.table[i];

		for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
			u8 *value;

H
Haim Dreyfuss 已提交
970 971
			value = &mvm->geo_profiles[i].values[j *
				IWL_GEO_PER_CHAIN_SIZE];
972 973 974 975 976 977 978 979 980 981 982
			chain[j].max_tx_power = cpu_to_le16(value[0]);
			chain[j].chain_a = value[1];
			chain[j].chain_b = value[2];
			IWL_DEBUG_RADIO(mvm,
					"SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n",
					i, j, value[1], value[2], value[0]);
		}
	}
	return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
}

983 984 985 986 987 988 989 990 991 992
#else /* CONFIG_ACPI */
static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
{
	return -ENOENT;
}

static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
{
	return -ENOENT;
}
993 994 995 996 997

static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
{
	return 0;
}
998 999
#endif /* CONFIG_ACPI */

1000 1001 1002 1003 1004 1005 1006
static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
{
	int ret;

	ret = iwl_mvm_sar_get_wrds_table(mvm);
	if (ret < 0) {
		IWL_DEBUG_RADIO(mvm,
1007
				"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
1008
				ret);
1009
		/* if not available, don't fail and don't bother with EWRD */
1010 1011 1012
		return 0;
	}

1013 1014 1015 1016 1017 1018 1019
	ret = iwl_mvm_sar_get_ewrd_table(mvm);
	/* if EWRD is not available, we can still use WRDS, so don't fail */
	if (ret < 0)
		IWL_DEBUG_RADIO(mvm,
				"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
				ret);

1020 1021 1022 1023 1024 1025
	/* choose profile 1 (WRDS) as default for both chains */
	ret = iwl_mvm_sar_select_profile(mvm, 1, 1);

	/* if we don't have profile 0 from BIOS, just skip it */
	if (ret == -ENOENT)
		return 0;
1026 1027 1028 1029

	return ret;
}

1030
static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
J
Johannes Berg 已提交
1031
{
1032
	int ret;
J
Johannes Berg 已提交
1033

1034
	if (iwl_mvm_has_unified_ucode(mvm))
1035
		return iwl_run_unified_mvm_ucode(mvm, false);
J
Johannes Berg 已提交
1036

1037
	ret = iwl_run_init_mvm_ucode(mvm, false);
1038 1039 1040 1041 1042

	if (iwlmvm_mod_params.init_dbg)
		return 0;

	if (ret) {
1043 1044 1045 1046
		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
		/* this can't happen */
		if (WARN_ON(ret > 0))
			ret = -ERFKILL;
1047
		return ret;
1048
	}
J
Johannes Berg 已提交
1049

1050 1051 1052 1053 1054 1055 1056 1057
	/*
	 * Stop and start the transport without entering low power
	 * mode. This will save the state of other components on the
	 * device that are triggered by the INIT firwmare (MFUART).
	 */
	_iwl_trans_stop_device(mvm->trans, false);
	ret = _iwl_trans_start_hw(mvm->trans, false);
	if (ret)
1058
		return ret;
J
Johannes Berg 已提交
1059 1060

	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
1061 1062 1063
	if (ret)
		return ret;

1064
	return iwl_init_paging(&mvm->fwrt, mvm->fwrt.cur_fw_img);
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079
}

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;

	ret = iwl_mvm_load_rt_fw(mvm);
J
Johannes Berg 已提交
1080 1081 1082 1083 1084
	if (ret) {
		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
		goto error;
	}

1085
	iwl_get_shared_mem_conf(&mvm->fwrt);
1086

1087 1088 1089 1090
	ret = iwl_mvm_sf_update(mvm, NULL, false);
	if (ret)
		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");

1091
	mvm->fwrt.dump.conf = FW_DBG_INVALID;
1092 1093
	/* if we have a destination, assume EARLY START */
	if (mvm->fw->dbg_dest_tlv)
1094 1095
		mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
	iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);
1096

1097
	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
J
Johannes Berg 已提交
1098 1099 1100
	if (ret)
		goto error;

1101 1102
	if (!iwl_mvm_has_unified_ucode(mvm)) {
		/* Send phy db control command and then phy db calibration */
1103 1104 1105
		ret = iwl_send_phy_db_data(mvm->phy_db);
		if (ret)
			goto error;
J
Johannes Berg 已提交
1106

1107 1108 1109 1110
		ret = iwl_send_phy_cfg_cmd(mvm);
		if (ret)
			goto error;
	}
J
Johannes Berg 已提交
1111

1112 1113 1114 1115
	ret = iwl_mvm_send_bt_init_conf(mvm);
	if (ret)
		goto error;

1116
	/* Init RSS configuration */
1117
	/* TODO - remove a000 disablement when we have RXQ config API */
1118 1119
	if (iwl_mvm_has_new_rx_api(mvm) &&
	    mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_A000) {
1120 1121 1122 1123 1124 1125 1126 1127
		ret = iwl_send_rss_cfg_cmd(mvm);
		if (ret) {
			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
				ret);
			goto error;
		}
	}

J
Johannes Berg 已提交
1128
	/* init the fw <-> mac80211 STA mapping */
1129
	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
J
Johannes Berg 已提交
1130 1131
		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);

1132
	mvm->tdls_cs.peer.sta_id = IWL_MVM_INVALID_STA;
1133

1134 1135 1136
	/* reset quota debouncing buffer - 0xff will yield invalid data */
	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));

1137 1138 1139
	ret = iwl_mvm_send_dqa_cmd(mvm);
	if (ret)
		goto error;
1140

J
Johannes Berg 已提交
1141 1142 1143 1144 1145
	/* Add auxiliary station for scanning */
	ret = iwl_mvm_add_aux_sta(mvm);
	if (ret)
		goto error;

1146
	/* Add all the PHY contexts */
1147
	chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
	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;
	}
J
Johannes Berg 已提交
1160

1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
#ifdef CONFIG_THERMAL
	if (iwl_mvm_is_tt_in_fw(mvm)) {
		/* in order to give the responsibility of ct-kill and
		 * TX backoff to FW we need to send empty temperature reporting
		 * cmd during init time
		 */
		iwl_mvm_send_temp_report_ths_cmd(mvm);
	} else {
		/* Initialize tx backoffs to the minimal possible */
		iwl_mvm_tt_tx_backoff(mvm, 0);
	}
1172 1173

	/* TODO: read the budget from BIOS / Platform NVM */
1174
	if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0) {
1175 1176
		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
					   mvm->cooling_dev.cur_state);
1177 1178 1179
		if (ret)
			goto error;
	}
1180
#else
1181 1182
	/* Initialize tx backoffs to the minimal possible */
	iwl_mvm_tt_tx_backoff(mvm, 0);
1183
#endif
1184

1185
	WARN_ON(iwl_mvm_config_ltr(mvm));
E
Emmanuel Grumbach 已提交
1186

1187
	ret = iwl_mvm_power_update_device(mvm);
1188 1189 1190
	if (ret)
		goto error;

1191 1192 1193 1194 1195 1196 1197 1198 1199
	/*
	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
	 * anyway, so don't init MCC.
	 */
	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
		ret = iwl_mvm_init_mcc(mvm);
		if (ret)
			goto error;
	}
1200

1201
	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1202
		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1203 1204 1205 1206 1207
		ret = iwl_mvm_config_scan(mvm);
		if (ret)
			goto error;
	}

1208 1209 1210 1211
	/* allow FW/transport low power modes if not during restart */
	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
		iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);

1212 1213 1214 1215
	ret = iwl_mvm_sar_init(mvm);
	if (ret)
		goto error;

1216 1217 1218 1219
	ret = iwl_mvm_sar_geo_init(mvm);
	if (ret)
		goto error;

1220
	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
J
Johannes Berg 已提交
1221 1222
	return 0;
 error:
1223 1224
	if (!iwlmvm_mod_params.init_dbg)
		iwl_mvm_stop_device(mvm);
J
Johannes Berg 已提交
1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243
	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;
	}

1244
	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
J
Johannes Berg 已提交
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257
	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 */
1258
	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++)
J
Johannes Berg 已提交
1259 1260 1261 1262 1263 1264 1265 1266 1267
		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:
1268
	iwl_mvm_stop_device(mvm);
J
Johannes Berg 已提交
1269 1270 1271
	return ret;
}

1272 1273
void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb)
J
Johannes Berg 已提交
1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285
{
	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");
}

1286 1287
void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
			     struct iwl_rx_cmd_buffer *rxb)
1288 1289 1290 1291
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;

1292 1293 1294 1295 1296 1297 1298
	IWL_DEBUG_INFO(mvm,
		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
		       le32_to_cpu(mfuart_notif->installed_ver),
		       le32_to_cpu(mfuart_notif->external_ver),
		       le32_to_cpu(mfuart_notif->status),
		       le32_to_cpu(mfuart_notif->duration));

1299 1300
	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
		IWL_DEBUG_INFO(mvm,
1301
			       "MFUART: image size: 0x%08x\n",
1302
			       le32_to_cpu(mfuart_notif->image_size));
1303
}