Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.h b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h
new file mode 100644
index 000000000..09d2a971b
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Copyright(c) 2021 Intel Corporation
+ */
+#ifndef __iwl_fw_uefi__
+#define __iwl_fw_uefi__
+
+#define IWL_UEFI_OEM_PNVM_NAME		L"UefiCnvWlanOemSignedPnvm"
+#define IWL_UEFI_REDUCED_POWER_NAME	L"UefiCnvWlanReducedPower"
+#define IWL_UEFI_SGOM_NAME		L"UefiCnvWlanSarGeoOffsetMapping"
+
+/*
+ * TODO: we have these hardcoded values that the caller must pass,
+ * because reading from the UEFI is not working.  To implement this
+ * properly, we have to change iwl_pnvm_get_from_uefi() to call
+ * efivar_entry_size() and return the value to the caller instead.
+ */
+#define IWL_HARDCODED_PNVM_SIZE		4096
+#define IWL_HARDCODED_REDUCE_POWER_SIZE	32768
+#define IWL_HARDCODED_SGOM_SIZE		339
+
+struct pnvm_sku_package {
+	u8 rev;
+	u32 total_size;
+	u8 n_skus;
+	u32 reserved[2];
+	u8 data[];
+} __packed;
+
+struct uefi_cnv_wlan_sgom_data {
+	u8 revision;
+	u8 offset_map[IWL_HARDCODED_SGOM_SIZE - 1];
+} __packed;
+
+/*
+ * This is known to be broken on v4.19 and to work on v5.4.  Until we
+ * figure out why this is the case and how to make it work, simply
+ * disable the feature in old kernels.
+ */
+#ifdef CONFIG_EFI
+void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len);
+void *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len);
+#else /* CONFIG_EFI */
+static inline
+void *iwl_uefi_get_pnvm(struct iwl_trans *trans, size_t *len)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline
+void *iwl_uefi_get_reduced_power(struct iwl_trans *trans, size_t *len)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+#endif /* CONFIG_EFI */
+
+#if defined(CONFIG_EFI) && defined(CONFIG_ACPI)
+void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt);
+#else
+static inline
+void iwl_uefi_get_sgom_table(struct iwl_trans *trans, struct iwl_fw_runtime *fwrt)
+{
+}
+#endif
+#endif /* __iwl_fw_uefi__ */