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iwlwifi: mvm: add soc latency support

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Some devices require longer time to stabilize the power and XTAL.
This is especially true for devices integrated in the SoC.  Add
support for a new firmware API that allows the driver to set the
latency value accordingly.

Change-Id: I6829a46b89e4e701f80a0e4033f4dd41ee44ed12
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu 2016-09-20 17:48:25 +03:00 committed by Luca Coelho
parent 3af4da165f
commit cceb45078a
5 changed files with 124 additions and 12 deletions
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9
drivers/net/wireless/intel/iwlwifi/fw/api/commands.h
View File

@ -5,9 +5,9 @@
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2012 - 2014, 2020 Intel Corporation
*
* 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
@ -27,9 +27,9 @@
*
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2012 - 2014, 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -646,6 +646,11 @@ enum iwl_system_subcmd_ids {
*/
SHARED_MEM_CFG_CMD = 0x0,
/**
* @SOC_CONFIGURATION_CMD: &struct iwl_soc_configuration_cmd
*/
SOC_CONFIGURATION_CMD = 0x01,
/**
* @INIT_EXTENDED_CFG_CMD: &struct iwl_init_extended_cfg_cmd
*/

83
drivers/net/wireless/intel/iwlwifi/fw/api/soc.h Normal file
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@ -0,0 +1,83 @@
/******************************************************************************
*
* 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 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
*
* 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.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* 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.
*
*****************************************************************************/
#ifndef __iwl_fw_api_soc_h__
#define __iwl_fw_api_soc_h__
/* type of devices for defining SOC latency */
enum iwl_soc_device_types {
SOC_CONFIG_CMD_INTEGRATED = 0x0,
SOC_CONFIG_CMD_DISCRETE = 0x1,
};
/**
* struct iwl_soc_configuration_cmd - Set device stabilization latency
*
* @device_type: the device type as defined in &enum iwl_soc_device_types
* @soc_latency: time for SOC to ensure stable power & XTAL
*/
struct iwl_soc_configuration_cmd {
__le32 device_type;
__le32 soc_latency;
} __packed; /* SOC_CONFIGURATION_CMD_S_VER_1 */
#endif /* __iwl_fw_api_soc_h__ */

11
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -5,11 +5,9 @@
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* Copyright(c) 2019 Intel Corporation
* Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
*
* 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
@ -29,11 +27,9 @@
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* Copyright(c) 2019 Intel Corporation
* Copyright(c) 2008 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -369,6 +365,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
* is supported.
* @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
* @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan (no longer used)
* @IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT: the firmware supports setting
* stabilization latency for SoCs.
* @IWL_UCODE_TLV_CAPA_STA_PM_NOTIF: firmware will send STA PM notification
* @IWL_UCODE_TLV_CAPA_TLC_OFFLOAD: firmware implements rate scaling algorithm
* @IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA: firmware implements quota related
@ -437,6 +435,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT = (__force iwl_ucode_tlv_capa_t)31,
/* set 1 */
IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT = (__force iwl_ucode_tlv_capa_t)37,
IWL_UCODE_TLV_CAPA_STA_PM_NOTIF = (__force iwl_ucode_tlv_capa_t)38,
IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT = (__force iwl_ucode_tlv_capa_t)39,
IWL_UCODE_TLV_CAPA_CDB_SUPPORT = (__force iwl_ucode_tlv_capa_t)40,

1
drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
View File

@ -73,6 +73,7 @@
#include "fw/api/datapath.h"
#include "fw/api/phy.h"
#include "fw/api/config.h"
#include "fw/api/soc.h"
#include "fw/api/alive.h"
#include "fw/api/binding.h"
#include "fw/api/cmdhdr.h"

32
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 Intel Corporation
* Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* 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
@ -28,10 +27,9 @@
*
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 - 2019 Intel Corporation
* Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -89,6 +87,25 @@ struct iwl_mvm_alive_data {
u32 scd_base_addr;
};
/* set device type and latency */
static int iwl_set_soc_latency(struct iwl_mvm *mvm)
{
struct iwl_soc_configuration_cmd cmd;
int ret;
cmd.device_type = (mvm->trans->cfg->integrated) ?
cpu_to_le32(SOC_CONFIG_CMD_INTEGRATED) :
cpu_to_le32(SOC_CONFIG_CMD_DISCRETE);
cmd.soc_latency = cpu_to_le32(mvm->trans->cfg->soc_latency);
ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SOC_CONFIGURATION_CMD,
SYSTEM_GROUP, 0), 0,
sizeof(cmd), &cmd);
if (ret)
IWL_ERR(mvm, "Failed to set soc latency: %d\n", ret);
return ret;
}
static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
{
struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
@ -1103,6 +1120,13 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (ret)
goto error;
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
ret = iwl_set_soc_latency(mvm);
if (ret)
goto error;
}
/* Init RSS configuration */
if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
ret = iwl_configure_rxq(mvm);