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iwlwifi: mvm: add a flag to reduce power command. 

Add a flags bitfield in REDUCED_TX_POWER_CMD, and
send it as is to FW.

Signed-off-by: Ayala Barazani <ayala.barazani@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220304131517.55c2f014f5ee.Iceb632f620de959800f979e212f0dc20240f9d38@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Ayala Barazani 2022-03-04 13:21:18 +02:00 committed by Luca Coelho
parent 8061effc78
commit b0aa02b3de
6 changed files with 44 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/intel/iwlwifi/fw/acpi.c
View File

@ -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 @@ read_table:
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 @@ read_table:
/* 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);

3
drivers/net/wireless/intel/iwlwifi/fw/acpi.h
View File

@ -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

27
drivers/net/wireless/intel/iwlwifi/fw/api/power.h
View File

@ -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;
};
};

3
drivers/net/wireless/intel/iwlwifi/fw/runtime.h
View File

@ -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
};

8
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -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];

4
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -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))