From: Luca Coelho <luca@coelho.fi>
To: kvalo@codeaurora.org
Cc: linux-wireless@vger.kernel.org,
Haim Dreyfuss <haim.dreyfuss@intel.com>,
Luca Coelho <luciano.coelho@intel.com>
Subject: [PATCH 07/20] iwlwifi: Add support for SAR South Korea limitation
Date: Fri, 28 Jun 2019 12:19:55 +0300 [thread overview]
Message-ID: <20190628092008.11049-8-luca@coelho.fi> (raw)
In-Reply-To: <20190628092008.11049-1-luca@coelho.fi>
From: Haim Dreyfuss <haim.dreyfuss@intel.com>
South Korea is adding a more strict SAR limit called "Limb SAR".
Currently, WGDS SAR offset group 3 is not used (not mapped to any country).
In order to be able to comply with South Korea new restriction:
- OEM will use WGDS SAR offset group 3 to South Korea limitation.
- OEM will change WGDS revision to 1 (currently latest revision is 0)
to notify that Korea Limb SAR applied.
- Driver will read the WGDS table and pass the values to FW (as usual)
- Driver will pass to FW an indication that Korea Limb SAR is applied
in case table revision is 1.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 28 ++++++----
drivers/net/wireless/intel/iwlwifi/fw/acpi.h | 5 +-
.../net/wireless/intel/iwlwifi/fw/api/power.h | 12 ++++
drivers/net/wireless/intel/iwlwifi/fw/file.h | 3 +
drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 55 ++++++++++++++-----
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 +
6 files changed, 76 insertions(+), 28 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 405038ce98d6..7573af2d88ce 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -97,7 +97,7 @@ IWL_EXPORT_SYMBOL(iwl_acpi_get_object);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
- int data_size)
+ int data_size, int *tbl_rev)
{
int i;
union acpi_object *wifi_pkg;
@@ -113,16 +113,19 @@ union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
/*
* We need at least two packages, one for the revision and one
* for the data itself. Also check that the revision is valid
- * (i.e. it is an integer set to 0).
+ * (i.e. it is an integer smaller than 2, as we currently support only
+ * 2 revisions).
*/
if (data->type != ACPI_TYPE_PACKAGE ||
data->package.count < 2 ||
data->package.elements[0].type != ACPI_TYPE_INTEGER ||
- data->package.elements[0].integer.value != 0) {
+ data->package.elements[0].integer.value > 1) {
IWL_DEBUG_DEV_RADIO(dev, "Unsupported packages structure\n");
return ERR_PTR(-EINVAL);
}
+ *tbl_rev = data->package.elements[0].integer.value;
+
/* loop through all the packages to find the one for WiFi */
for (i = 1; i < data->package.count; i++) {
union acpi_object *domain;
@@ -151,14 +154,15 @@ int iwl_acpi_get_mcc(struct device *dev, char *mcc)
{
union acpi_object *wifi_pkg, *data;
u32 mcc_val;
- int ret;
+ int ret, tbl_rev;
data = iwl_acpi_get_object(dev, ACPI_WRDD_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
- wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_WRDD_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg)) {
+ wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_WRDD_WIFI_DATA_SIZE,
+ &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
@@ -185,6 +189,7 @@ u64 iwl_acpi_get_pwr_limit(struct device *dev)
{
union acpi_object *data, *wifi_pkg;
u64 dflt_pwr_limit;
+ int tbl_rev;
data = iwl_acpi_get_object(dev, ACPI_SPLC_METHOD);
if (IS_ERR(data)) {
@@ -193,8 +198,8 @@ u64 iwl_acpi_get_pwr_limit(struct device *dev)
}
wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data,
- ACPI_SPLC_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg) ||
+ ACPI_SPLC_WIFI_DATA_SIZE, &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev != 0 ||
wifi_pkg->package.elements[1].integer.value != ACPI_TYPE_INTEGER) {
dflt_pwr_limit = 0;
goto out_free;
@@ -211,14 +216,15 @@ IWL_EXPORT_SYMBOL(iwl_acpi_get_pwr_limit);
int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
{
union acpi_object *wifi_pkg, *data;
- int ret;
+ int ret, tbl_rev;
data = iwl_acpi_get_object(dev, ACPI_ECKV_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
- wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_ECKV_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg)) {
+ wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_ECKV_WIFI_DATA_SIZE,
+ &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
index f5704e16643f..991a23450999 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
@@ -97,7 +97,7 @@
void *iwl_acpi_get_object(struct device *dev, acpi_string method);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
- int data_size);
+ int data_size, int *tbl_rev);
/**
* iwl_acpi_get_mcc - read MCC from ACPI, if available
@@ -131,7 +131,8 @@ static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
- int data_size)
+ int data_size,
+ int *tbl_rev)
{
return ERR_PTR(-ENOENT);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
index 01f003c6cff9..f195db398bed 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/power.h
@@ -419,14 +419,26 @@ struct iwl_per_chain_offset_group {
struct iwl_per_chain_offset hb;
} __packed; /* PER_CHAIN_LIMIT_OFFSET_GROUP_S_VER_1 */
+/**
+ * struct iwl_geo_tx_power_profile_cmd_v1 - struct for GEO_TX_POWER_LIMIT cmd.
+ * @ops: operations, value from &enum iwl_geo_per_chain_offset_operation
+ * @table: offset profile per band.
+ */
+struct iwl_geo_tx_power_profiles_cmd_v1 {
+ __le32 ops;
+ struct iwl_per_chain_offset_group table[IWL_NUM_GEO_PROFILES];
+} __packed; /* GEO_TX_POWER_LIMIT_VER_1 */
+
/**
* struct iwl_geo_tx_power_profile_cmd - struct for GEO_TX_POWER_LIMIT cmd.
* @ops: operations, value from &enum iwl_geo_per_chain_offset_operation
* @table: offset profile per band.
+ * @table_revision: BIOS table revision.
*/
struct iwl_geo_tx_power_profiles_cmd {
__le32 ops;
struct iwl_per_chain_offset_group table[IWL_NUM_GEO_PROFILES];
+ __le32 table_revision;
} __packed; /* GEO_TX_POWER_LIMIT */
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index 7b65a94ba7dd..0c38e7392b61 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -287,6 +287,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t;
* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S.
* @IWL_UCODE_TLV_API_MBSSID_HE: This ucode supports v2 of
* STA_CONTEXT_DOT11AX_API_S
+ * @IWL_UCODE_TLV_CAPA_SAR_TABLE_VER: This ucode supports different sar
+ * version tables.
*
* @NUM_IWL_UCODE_TLV_API: number of bits used
*/
@@ -319,6 +321,7 @@ enum iwl_ucode_tlv_api {
IWL_UCODE_TLV_API_MBSSID_HE = (__force iwl_ucode_tlv_api_t)52,
IWL_UCODE_TLV_API_WOWLAN_TCP_SYN_WAKE = (__force iwl_ucode_tlv_api_t)53,
IWL_UCODE_TLV_API_FTM_RTT_ACCURACY = (__force iwl_ucode_tlv_api_t)54,
+ IWL_UCODE_TLV_API_SAR_TABLE_VER = (__force iwl_ucode_tlv_api_t)55,
IWL_UCODE_TLV_API_ADWELL_HB_DEF_N_AP = (__force iwl_ucode_tlv_api_t)57,
NUM_IWL_UCODE_TLV_API
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 78dc37bf4fa7..b27be2e3eca2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -672,15 +672,15 @@ static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *table, *data;
bool enabled;
- int ret;
+ int ret, tbl_rev;
data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
- ACPI_WRDS_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg)) {
+ ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
@@ -709,15 +709,15 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *data;
bool enabled;
- int i, n_profiles, ret;
+ int i, n_profiles, ret, tbl_rev;
data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
- ACPI_EWRD_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg)) {
+ ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev != 0) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
@@ -768,7 +768,7 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *data;
- int i, j, ret;
+ int i, j, ret, tbl_rev;
int idx = 1;
data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD);
@@ -776,12 +776,13 @@ static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
- ACPI_WGDS_WIFI_DATA_SIZE);
- if (IS_ERR(wifi_pkg)) {
+ ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
+ if (IS_ERR(wifi_pkg) || tbl_rev > 1) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
+ mvm->geo_rev = tbl_rev;
for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) {
union acpi_object *entry;
@@ -868,15 +869,29 @@ int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
struct iwl_geo_tx_power_profiles_resp *resp;
int ret;
+ u16 len;
+ void *data;
+ struct iwl_geo_tx_power_profiles_cmd geo_cmd;
+ struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
+ struct iwl_host_cmd cmd;
+
+ if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
+ geo_cmd.ops =
+ cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
+ len = sizeof(geo_cmd);
+ data = &geo_cmd;
+ } else {
+ geo_cmd_v1.ops =
+ cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
+ len = sizeof(geo_cmd_v1);
+ data = &geo_cmd_v1;
+ }
- struct iwl_geo_tx_power_profiles_cmd geo_cmd = {
- .ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE),
- };
- struct iwl_host_cmd cmd = {
+ cmd = (struct iwl_host_cmd){
.id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
- .len = { sizeof(geo_cmd), },
+ .len = { len, },
.flags = CMD_WANT_SKB,
- .data = { &geo_cmd },
+ .data = { data },
};
ret = iwl_mvm_send_cmd(mvm, &cmd);
@@ -946,6 +961,16 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
i, j, value[1], value[2], value[0]);
}
}
+
+ cmd.table_revision = cpu_to_le32(mvm->geo_rev);
+
+ if (!fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
+ return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0,
+ sizeof(struct iwl_geo_tx_power_profiles_cmd_v1),
+ &cmd);
+ }
+
return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 01a9762e109b..662e24da94a6 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1182,6 +1182,7 @@ struct iwl_mvm {
#ifdef CONFIG_ACPI
struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM];
struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES];
+ u32 geo_rev;
#endif
};
--
2.20.1
next prev parent reply other threads:[~2019-06-28 9:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-28 9:19 [PATCH 00/20] iwlwifi: updates intended for v5.3 2019-06-28 Luca Coelho
2019-06-28 9:19 ` [PATCH 01/20] iwlwifi: lib: Use struct_size() helper Luca Coelho
2019-06-28 9:19 ` [PATCH 02/20] iwlwifi: d3: " Luca Coelho
2019-06-28 9:19 ` [PATCH 03/20] iwlwifi: remove some unnecessary NULL checks Luca Coelho
2019-06-28 9:19 ` [PATCH 04/20] iwlwifi: mvm: correctly fill the ac array in the iwl_mac_ctx_cmd Luca Coelho
2019-06-28 9:19 ` [PATCH 05/20] iwlwifi: mvm: convert to FW AC when configuring MU EDCA Luca Coelho
2019-06-28 9:19 ` [PATCH 06/20] iwlwifi: fix module init error paths Luca Coelho
2019-06-28 9:19 ` Luca Coelho [this message]
2019-06-28 9:19 ` [PATCH 08/20] iwlwifi: mvm: Add log information about SAR status Luca Coelho
2019-09-30 12:06 ` Matteo Croce
2019-09-30 12:12 ` Luca Coelho
2019-06-28 9:19 ` [PATCH 09/20] iwlwifi: mvm: Drop large non sta frames Luca Coelho
2019-06-28 9:19 ` [PATCH 10/20] iwlwifi: pcie: increase the size of PCI dumps Luca Coelho
2019-06-28 9:19 ` [PATCH 11/20] iwlwifi: dbg: fix debug monitor stop and restart delays Luca Coelho
2019-06-28 9:20 ` [PATCH 12/20] iwlwifi: dbg_ini: enforce apply point early on buffer allocation tlv Luca Coelho
2019-06-28 9:20 ` [PATCH 13/20] iwlwifi: dbg_ini: remove redundant checking of ini mode Luca Coelho
2019-06-28 9:20 ` [PATCH 14/20] iwlwifi: dbg: move trans debug fields to a separate struct Luca Coelho
2019-06-28 9:20 ` [PATCH 15/20] iwlwifi: support FSEQ TLV even when FMAC is not compiled Luca Coelho
2019-06-28 9:20 ` [PATCH 16/20] iwlwifi: mvm: make the usage of TWT configurable Luca Coelho
2019-06-28 9:20 ` [PATCH 17/20] iwlwifi: dbg_ini: fix debug monitor stop and restart in ini mode Luca Coelho
2019-06-28 9:20 ` [PATCH 18/20] iwlwifi: dbg: don't stop dbg recording before entering D3 from 9000 devices Luca Coelho
2019-06-28 9:20 ` [PATCH 19/20] iwlwifi: dbg: debug recording stop and restart command remove Luca Coelho
2019-06-28 9:20 ` [PATCH 20/20] iwlwifi: mvm: remove MAC_FILTER_IN_11AX for AP mode Luca Coelho
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