From cceb45078a62cda3ebdb97bd96916c3f8d811e7c Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Tue, 20 Sep 2016 17:48:25 +0300 Subject: [PATCH] iwlwifi: mvm: add soc latency support 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 Signed-off-by: Luca Coelho --- .../net/wireless/intel/iwlwifi/fw/api/commands.h | 9 ++- drivers/net/wireless/intel/iwlwifi/fw/api/soc.h | 83 ++++++++++++++++++++++ drivers/net/wireless/intel/iwlwifi/fw/file.h | 11 ++- drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 32 +++++++-- 5 files changed, 124 insertions(+), 12 deletions(-) create mode 100644 drivers/net/wireless/intel/iwlwifi/fw/api/soc.h diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h index 22dff2c..4f46f3e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/commands.h @@ -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 @@ -647,6 +647,11 @@ 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 */ INIT_EXTENDED_CFG_CMD = 0x03, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h b/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h new file mode 100644 index 0000000..5d1fb98 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h @@ -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 + * 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__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 1554f5f..35f42e5 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -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, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h index e3eb812..05a06f8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h @@ -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" diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 54c094e..1b3a2f5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -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); -- 2.7.4