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path: root/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c91
1 files changed, 2 insertions, 89 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index c3a5d8ccc95e..8928613e033e 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -68,13 +68,14 @@
#include <linux/export.h>
#include <linux/etherdevice.h>
#include <linux/pci.h>
-#include <linux/acpi.h>
+
#include "iwl-drv.h"
#include "iwl-modparams.h"
#include "iwl-nvm-parse.h"
#include "iwl-prph.h"
#include "iwl-io.h"
#include "iwl-csr.h"
+#include "fw/acpi.h"
/* NVM offsets (in words) definitions */
enum nvm_offsets {
@@ -937,91 +938,3 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
return regd;
}
IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info);
-
-#ifdef CONFIG_ACPI
-#define WRDD_METHOD "WRDD"
-#define WRDD_WIFI (0x07)
-#define WRDD_WIGIG (0x10)
-
-static u32 iwl_wrdd_get_mcc(struct device *dev, union acpi_object *wrdd)
-{
- union acpi_object *mcc_pkg, *domain_type, *mcc_value;
- u32 i;
-
- if (wrdd->type != ACPI_TYPE_PACKAGE ||
- wrdd->package.count < 2 ||
- wrdd->package.elements[0].type != ACPI_TYPE_INTEGER ||
- wrdd->package.elements[0].integer.value != 0) {
- IWL_DEBUG_EEPROM(dev, "Unsupported wrdd structure\n");
- return 0;
- }
-
- for (i = 1 ; i < wrdd->package.count ; ++i) {
- mcc_pkg = &wrdd->package.elements[i];
-
- if (mcc_pkg->type != ACPI_TYPE_PACKAGE ||
- mcc_pkg->package.count < 2 ||
- mcc_pkg->package.elements[0].type != ACPI_TYPE_INTEGER ||
- mcc_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
- mcc_pkg = NULL;
- continue;
- }
-
- domain_type = &mcc_pkg->package.elements[0];
- if (domain_type->integer.value == WRDD_WIFI)
- break;
-
- mcc_pkg = NULL;
- }
-
- if (mcc_pkg) {
- mcc_value = &mcc_pkg->package.elements[1];
- return mcc_value->integer.value;
- }
-
- return 0;
-}
-
-int iwl_get_bios_mcc(struct device *dev, char *mcc)
-{
- acpi_handle root_handle;
- acpi_handle handle;
- struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL};
- acpi_status status;
- u32 mcc_val;
-
- root_handle = ACPI_HANDLE(dev);
- if (!root_handle) {
- IWL_DEBUG_EEPROM(dev,
- "Could not retrieve root port ACPI handle\n");
- return -ENOENT;
- }
-
- /* Get the method's handle */
- status = acpi_get_handle(root_handle, (acpi_string)WRDD_METHOD,
- &handle);
- if (ACPI_FAILURE(status)) {
- IWL_DEBUG_EEPROM(dev, "WRD method not found\n");
- return -ENOENT;
- }
-
- /* Call WRDD with no arguments */
- status = acpi_evaluate_object(handle, NULL, NULL, &wrdd);
- if (ACPI_FAILURE(status)) {
- IWL_DEBUG_EEPROM(dev, "WRDC invocation failed (0x%x)\n",
- status);
- return -ENOENT;
- }
-
- mcc_val = iwl_wrdd_get_mcc(dev, wrdd.pointer);
- kfree(wrdd.pointer);
- if (!mcc_val)
- return -ENOENT;
-
- mcc[0] = (mcc_val >> 8) & 0xff;
- mcc[1] = mcc_val & 0xff;
- mcc[2] = '\0';
- return 0;
-}
-IWL_EXPORT_SYMBOL(iwl_get_bios_mcc);
-#endif