From patchwork Fri Mar 4 11:21:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 548726 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0921BC4332F for ; Fri, 4 Mar 2022 11:21:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239110AbiCDLWZ (ORCPT ); Fri, 4 Mar 2022 06:22:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235765AbiCDLWY (ORCPT ); Fri, 4 Mar 2022 06:22:24 -0500 Received: from farmhouse.coelho.fi (paleale.coelho.fi [176.9.41.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28C5B137754 for ; Fri, 4 Mar 2022 03:21:37 -0800 (PST) Received: from 91-156-4-241.elisa-laajakaista.fi ([91.156.4.241] helo=kveik.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1nQ604-000QSW-Tj; Fri, 04 Mar 2022 13:21:35 +0200 From: Luca Coelho To: kvalo@kernel.org Cc: luca@coelho.fi, linux-wireless@vger.kernel.org Date: Fri, 4 Mar 2022 13:21:18 +0200 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220304112129.219513-1-luca@coelho.fi> References: <20220304112129.219513-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 02/13] iwlwifi: mvm: add a flag to reduce power command. Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ayala Barazani Add a flags bitfield in REDUCED_TX_POWER_CMD, and send it as is to FW. Signed-off-by: Ayala Barazani Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 8 +++--- drivers/net/wireless/intel/iwlwifi/fw/acpi.h | 3 +++ .../net/wireless/intel/iwlwifi/fw/api/power.h | 27 +++++++++++++++++-- .../net/wireless/intel/iwlwifi/fw/runtime.h | 3 ++- drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 8 ++++-- .../net/wireless/intel/iwlwifi/mvm/mac80211.c | 4 ++- 6 files changed, 44 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index 0e9e61508ae5..4441f92c004f 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -537,8 +537,8 @@ IWL_EXPORT_SYMBOL(iwl_sar_select_profile); int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *table, *data; - bool enabled; int ret, tbl_rev; + u32 flags; u8 num_chains, num_sub_bands; data = iwl_acpi_get_object(fwrt->dev, ACPI_WRDS_METHOD); @@ -604,7 +604,8 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) IWL_DEBUG_RADIO(fwrt, "Reading WRDS tbl_rev=%d\n", tbl_rev); - enabled = !!(wifi_pkg->package.elements[1].integer.value); + flags = wifi_pkg->package.elements[1].integer.value; + fwrt->reduced_power_flags = flags >> IWL_REDUCE_POWER_FLAGS_POS; /* position of the actual table */ table = &wifi_pkg->package.elements[2]; @@ -612,7 +613,8 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) /* The profile from WRDS is officially profile 1, but goes * into sar_profiles[0] (because we don't have a profile 0). */ - ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0], enabled, + ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0], + flags & IWL_SAR_ENABLE_MSK, num_chains, num_sub_bands); out_free: kfree(data); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h index 466c95c21aa9..089dd9002528 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h @@ -92,6 +92,9 @@ #define ACPI_PPAG_MIN_HB -16 #define ACPI_PPAG_MAX_HB 40 +#define IWL_SAR_ENABLE_MSK BIT(0) +#define IWL_REDUCE_POWER_FLAGS_POS 1 + /* * The profile for revision 2 is a superset of revision 1, which is in * turn a superset of revision 0. So we can store all revisions diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h index 81318208f2f6..f92cac1da764 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2012-2014, 2018-2021 Intel Corporation + * Copyright (C) 2012-2014, 2018-2022 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -340,7 +340,7 @@ struct iwl_dev_tx_power_cmd_v5 { } __packed; /* TX_REDUCED_POWER_API_S_VER_5 */ /** - * struct iwl_dev_tx_power_cmd_v5 - TX power reduction command version 5 + * struct iwl_dev_tx_power_cmd_v6 - TX power reduction command version 6 * @per_chain: per chain restrictions * @enable_ack_reduction: enable or disable close range ack TX power * reduction. @@ -360,6 +360,28 @@ struct iwl_dev_tx_power_cmd_v6 { __le32 timer_period; } __packed; /* TX_REDUCED_POWER_API_S_VER_6 */ +/** + * struct iwl_dev_tx_power_cmd_v7 - TX power reduction command version 7 + * @per_chain: per chain restrictions + * @enable_ack_reduction: enable or disable close range ack TX power + * reduction. + * @per_chain_restriction_changed: is per_chain_restriction has changed + * from last command. used if set_mode is + * IWL_TX_POWER_MODE_SET_SAR_TIMER. + * note: if not changed, the command is used for keep alive only. + * @reserved: reserved (padding) + * @timer_period: timer in milliseconds. if expires FW will change to default + * BIOS values. relevant if setMode is IWL_TX_POWER_MODE_SET_SAR_TIMER + * @flags: reduce power flags. + */ +struct iwl_dev_tx_power_cmd_v7 { + __le16 per_chain[IWL_NUM_CHAIN_TABLES_V2][IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS_V2]; + u8 enable_ack_reduction; + u8 per_chain_restriction_changed; + u8 reserved[2]; + __le32 timer_period; + __le32 flags; +} __packed; /* TX_REDUCED_POWER_API_S_VER_7 */ /** * struct iwl_dev_tx_power_cmd - TX power reduction command (multiversion) * @common: common part of the command @@ -375,6 +397,7 @@ struct iwl_dev_tx_power_cmd { struct iwl_dev_tx_power_cmd_v4 v4; struct iwl_dev_tx_power_cmd_v5 v5; struct iwl_dev_tx_power_cmd_v6 v6; + struct iwl_dev_tx_power_cmd_v7 v7; }; }; diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index afc822cab674..d3cb1ae68a96 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2018-2020 Intel Corporation + * Copyright (C) 2018-2022 Intel Corporation */ #ifndef __iwl_fw_runtime_h__ #define __iwl_fw_runtime_h__ @@ -163,6 +163,7 @@ struct iwl_fw_runtime { u32 ppag_ver; struct iwl_sar_offset_mapping_cmd sgom_table; bool sgom_enabled; + u8 reduced_power_flags; #endif }; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 8537e1ea27d6..a178b83ee8a2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -806,8 +806,12 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b) u32 n_subbands; u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, IWL_FW_CMD_VER_UNKNOWN); - - if (cmd_ver == 6) { + if (cmd_ver == 7) { + len = sizeof(cmd.v7); + n_subbands = IWL_NUM_SUB_BANDS_V2; + per_chain = cmd.v7.per_chain[0][0]; + cmd.v7.flags = cpu_to_le32(mvm->fwrt.reduced_power_flags); + } else if (cmd_ver == 6) { len = sizeof(cmd.v6); n_subbands = IWL_NUM_SUB_BANDS_V2; per_chain = cmd.v6.per_chain[0][0]; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 6a9d9ce0007a..2ce09e58e74c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1336,7 +1336,9 @@ static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (tx_power == IWL_DEFAULT_MAX_TX_POWER) cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); - if (cmd_ver == 6) + if (cmd_ver == 7) + len = sizeof(cmd.v7); + else if (cmd_ver == 6) len = sizeof(cmd.v6); else if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_REDUCE_TX_POWER))