@@ -9,9 +9,15 @@
#include "acpi.h"
#include "fw/runtime.h"
-static const guid_t intel_wifi_guid = GUID_INIT(0xF21202BF, 0x8F78, 0x4DC6,
- 0xA5, 0xB3, 0x1F, 0x73,
- 0x8E, 0x28, 0x5A, 0xDE);
+const guid_t iwl_guid = GUID_INIT(0xF21202BF, 0x8F78, 0x4DC6,
+ 0xA5, 0xB3, 0x1F, 0x73,
+ 0x8E, 0x28, 0x5A, 0xDE);
+IWL_EXPORT_SYMBOL(iwl_guid);
+
+const guid_t iwl_rfi_guid = GUID_INIT(0x7266172C, 0x220B, 0x4B29,
+ 0x81, 0x4F, 0x75, 0xE4,
+ 0xDD, 0x26, 0xB5, 0xFD);
+IWL_EXPORT_SYMBOL(iwl_rfi_guid);
static int iwl_acpi_get_handle(struct device *dev, acpi_string method,
acpi_handle *ret_handle)
@@ -64,11 +70,12 @@ IWL_EXPORT_SYMBOL(iwl_acpi_get_object);
* function.
*/
static void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
- union acpi_object *args)
+ union acpi_object *args,
+ const guid_t *guid)
{
union acpi_object *obj;
- obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_wifi_guid, rev, func,
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), guid, rev, func,
args);
if (!obj) {
IWL_DEBUG_DEV_RADIO(dev,
@@ -87,12 +94,13 @@ static void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
* return 0 in success and the appropriate errno otherwise.
*/
static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func,
- u64 *value, size_t expected_size)
+ const guid_t *guid, u64 *value,
+ size_t expected_size)
{
union acpi_object *obj;
int ret = 0;
- obj = iwl_acpi_get_dsm_object(dev, rev, func, NULL);
+ obj = iwl_acpi_get_dsm_object(dev, rev, func, NULL, guid);
if (IS_ERR(obj)) {
IWL_DEBUG_DEV_RADIO(dev,
"Failed to get DSM object. func= %d\n",
@@ -137,12 +145,14 @@ static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func,
/*
* Evaluate a DSM with no arguments and a u8 return value,
*/
-int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value)
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
+ const guid_t *guid, u8 *value)
{
int ret;
u64 val;
- ret = iwl_acpi_get_dsm_integer(dev, rev, func, &val, sizeof(u8));
+ ret = iwl_acpi_get_dsm_integer(dev, rev, func,
+ guid, &val, sizeof(u8));
if (ret < 0)
return ret;
@@ -93,13 +93,27 @@ enum iwl_dsm_values_indonesia {
DSM_VALUE_INDONESIA_MAX
};
+/* DSM RFI uses a different GUID, so need separate definitions */
+
+#define DSM_RFI_FUNC_ENABLE 3
+
+enum iwl_dsm_values_rfi {
+ DSM_VALUE_RFI_ENABLE,
+ DSM_VALUE_RFI_DISABLE,
+ DSM_VALUE_RFI_MAX
+};
+
#ifdef CONFIG_ACPI
struct iwl_fw_runtime;
+extern const guid_t iwl_guid;
+extern const guid_t iwl_rfi_guid;
+
void *iwl_acpi_get_object(struct device *dev, acpi_string method);
-int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value);
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
+ const guid_t *guid, u8 *value);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
@@ -159,8 +173,8 @@ static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
return ERR_PTR(-ENOENT);
}
-static inline
-int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, u8 *value)
+static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func,
+ const guid_t *guid, u8 *value)
{
return -ENOENT;
}
@@ -1141,7 +1141,8 @@ static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
u8 value;
int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
- DSM_FUNC_ENABLE_INDONESIA_5G2, &value);
+ DSM_FUNC_ENABLE_INDONESIA_5G2,
+ &iwl_guid, &value);
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
@@ -1162,11 +1163,36 @@ static u8 iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
return DSM_VALUE_INDONESIA_DISABLE;
}
+static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
+{
+ u8 value;
+ int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0, DSM_RFI_FUNC_ENABLE,
+ &iwl_rfi_guid, &value);
+
+ if (ret < 0) {
+ IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret);
+
+ } else if (value >= DSM_VALUE_RFI_MAX) {
+ IWL_DEBUG_RADIO(mvm, "DSM RFI got invalid value, ret=%d\n",
+ value);
+
+ } else if (value == DSM_VALUE_RFI_ENABLE) {
+ IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n");
+ return DSM_VALUE_RFI_ENABLE;
+ }
+
+ IWL_DEBUG_RADIO(mvm, "DSM RFI is disabled\n");
+
+ /* default behaviour is disabled */
+ return DSM_VALUE_RFI_DISABLE;
+}
+
static u8 iwl_mvm_eval_dsm_disable_srd(struct iwl_mvm *mvm)
{
u8 value;
int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
- DSM_FUNC_DISABLE_SRD, &value);
+ DSM_FUNC_DISABLE_SRD,
+ &iwl_guid, &value);
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
@@ -1267,6 +1293,11 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
}
+
+static u8 iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
+{
+ return DSM_VALUE_RFI_DISABLE;
+}
#endif /* CONFIG_ACPI */
void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
@@ -1603,6 +1634,12 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
iwl_mvm_ftm_initiator_smooth_config(mvm);
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) {
+ if (iwl_mvm_eval_dsm_rfi(mvm) == DSM_VALUE_RFI_ENABLE)
+ iwl_rfi_send_config_cmd(mvm, NULL);
+ }
+
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
return 0;
error: