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authorKalle Valo <[email protected]>2021-04-17 11:38:01 +0300
committerKalle Valo <[email protected]>2021-04-17 11:38:01 +0300
commit197b9c152badc4003b1e10837f4536cb66a50f3c (patch)
tree2e9a8e7a5d47e3ed8647770ea38e0b04a8e6d3a6 /drivers/net/wireless/intel/iwlwifi/fw/acpi.c
parent961b27ffc58efbcccce0c275cce9a8f70e064d0f (diff)
parent7c81a025054cd0aeeeaf17aba2e9757f0a6a38a1 (diff)
Merge tag 'iwlwifi-next-for-kalle-2021-04-12-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
iwlwifi patches for v5.13 * Add support for new FTM FW APIs; * Some CSA fixes; * Support for new HW family and other HW detection fixes; * Robustness improvement in the HW detection code; * One fix in PMF; * Some new regulatory features; * Support for passive scan in 6GHz; * Some improvements in the sync queue implementation; * Support for new devices; * Support for a new FW API command version; * Some locking fixes; * Bump the FW API version support for AX devices; * Some other small fixes, clean-ups and improvements. # gpg: Signature made Wed 14 Apr 2021 12:33:29 PM EEST using RSA key ID 1A3CC5FA # gpg: Good signature from "Luciano Roth Coelho (Luca) <[email protected]>" # gpg: aka "Luciano Roth Coelho (Intel) <[email protected]>"
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/acpi.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c78
1 files changed, 72 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 82a4f7e8ba54..e31bba836c6f 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2017 Intel Deutschland GmbH
- * Copyright (C) 2019-2020 Intel Corporation
+ * Copyright (C) 2019-2021 Intel Corporation
*/
#include <linux/uuid.h>
#include "iwl-drv.h"
@@ -181,14 +181,13 @@ 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 smaller than 2, as we currently support only
- * 2 revisions).
+ * (i.e. it is an integer (each caller has to check by itself
+ * if the returned revision is supported)).
*/
if (data->type != ACPI_TYPE_PACKAGE ||
data->package.count < 2 ||
- data->package.elements[0].type != ACPI_TYPE_INTEGER ||
- data->package.elements[0].integer.value > 1) {
- IWL_DEBUG_DEV_RADIO(dev, "Unsupported packages structure\n");
+ data->package.elements[0].type != ACPI_TYPE_INTEGER) {
+ IWL_DEBUG_DEV_RADIO(dev, "Invalid packages structure\n");
return ERR_PTR(-EINVAL);
}
@@ -696,3 +695,70 @@ int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
return 0;
}
IWL_EXPORT_SYMBOL(iwl_sar_geo_init);
+
+static u32 iwl_acpi_eval_dsm_func(struct device *dev, enum iwl_dsm_funcs_rev_0 eval_func)
+{
+ union acpi_object *obj;
+ u32 ret;
+
+ obj = iwl_acpi_get_dsm_object(dev, 0,
+ eval_func, NULL,
+ &iwl_guid);
+
+ if (IS_ERR(obj)) {
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM func '%d': Got Error in obj = %ld\n",
+ eval_func,
+ PTR_ERR(obj));
+ return 0;
+ }
+
+ if (obj->type != ACPI_TYPE_INTEGER) {
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM func '%d' did not return a valid object, type=%d\n",
+ eval_func,
+ obj->type);
+ ret = 0;
+ goto out;
+ }
+
+ ret = obj->integer.value;
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM method evaluated: func='%d', ret=%d\n",
+ eval_func,
+ ret);
+out:
+ ACPI_FREE(obj);
+ return ret;
+}
+
+__le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt)
+{
+ u32 ret;
+ __le32 config_bitmap = 0;
+
+ /*
+ ** Evaluate func 'DSM_FUNC_ENABLE_INDONESIA_5G2'
+ */
+ ret = iwl_acpi_eval_dsm_func(fwrt->dev, DSM_FUNC_ENABLE_INDONESIA_5G2);
+
+ if (ret == DSM_VALUE_INDONESIA_ENABLE)
+ config_bitmap |=
+ cpu_to_le32(LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK);
+
+ /*
+ ** Evaluate func 'DSM_FUNC_DISABLE_SRD'
+ */
+ ret = iwl_acpi_eval_dsm_func(fwrt->dev, DSM_FUNC_DISABLE_SRD);
+
+ if (ret == DSM_VALUE_SRD_PASSIVE)
+ config_bitmap |=
+ cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK);
+
+ else if (ret == DSM_VALUE_SRD_DISABLE)
+ config_bitmap |=
+ cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK);
+
+ return config_bitmap;
+}
+IWL_EXPORT_SYMBOL(iwl_acpi_get_lari_config_bitmap);