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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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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);