1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/media/pci/intel/ipu6/ipu6-cpd.h b/drivers/media/pci/intel/ipu6/ipu6-cpd.h
new file mode 100644
index 000000000000..e0e4fdeca902
--- /dev/null
+++ b/drivers/media/pci/intel/ipu6/ipu6-cpd.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) 2015--2024 Intel Corporation */
+
+#ifndef IPU6_CPD_H
+#define IPU6_CPD_H
+
+struct ipu6_device;
+struct ipu6_bus_device;
+
+#define IPU6_CPD_SIZE_OF_FW_ARCH_VERSION	7
+#define IPU6_CPD_SIZE_OF_SYSTEM_VERSION		11
+#define IPU6_CPD_SIZE_OF_COMPONENT_NAME		12
+
+#define IPU6_CPD_METADATA_EXTN_TYPE_IUNIT	0x10
+
+#define IPU6_CPD_METADATA_IMAGE_TYPE_RESERVED		0
+#define IPU6_CPD_METADATA_IMAGE_TYPE_BOOTLOADER		1
+#define IPU6_CPD_METADATA_IMAGE_TYPE_MAIN_FIRMWARE	2
+
+#define IPU6_CPD_PKG_DIR_PSYS_SERVER_IDX	0
+#define IPU6_CPD_PKG_DIR_ISYS_SERVER_IDX	1
+
+#define IPU6_CPD_PKG_DIR_CLIENT_PG_TYPE		3
+
+#define IPU6_CPD_METADATA_HASH_KEY_SIZE		48
+#define IPU6SE_CPD_METADATA_HASH_KEY_SIZE	32
+
+struct ipu6_cpd_module_data_hdr {
+	u32 hdr_len;
+	u32 endian;
+	u32 fw_pkg_date;
+	u32 hive_sdk_date;
+	u32 compiler_date;
+	u32 target_platform_type;
+	u8 sys_ver[IPU6_CPD_SIZE_OF_SYSTEM_VERSION];
+	u8 fw_arch_ver[IPU6_CPD_SIZE_OF_FW_ARCH_VERSION];
+	u8 rsvd[2];
+} __packed;
+
+/*
+ * ipu6_cpd_hdr structure updated as the chksum and
+ * sub_partition_name is unused on host side
+ * CSE layout version 1.6 for IPU6SE (hdr_len = 0x10)
+ * CSE layout version 1.7 for IPU6 (hdr_len = 0x14)
+ */
+struct ipu6_cpd_hdr {
+	u32 hdr_mark;
+	u32 ent_cnt;
+	u8 hdr_ver;
+	u8 ent_ver;
+	u8 hdr_len;
+} __packed;
+
+struct ipu6_cpd_ent {
+	u8 name[IPU6_CPD_SIZE_OF_COMPONENT_NAME];
+	u32 offset;
+	u32 len;
+	u8 rsvd[4];
+} __packed;
+
+struct ipu6_cpd_metadata_cmpnt_hdr {
+	u32 id;
+	u32 size;
+	u32 ver;
+} __packed;
+
+struct ipu6_cpd_metadata_cmpnt {
+	struct ipu6_cpd_metadata_cmpnt_hdr hdr;
+	u8 sha2_hash[IPU6_CPD_METADATA_HASH_KEY_SIZE];
+	u32 entry_point;
+	u32 icache_base_offs;
+	u8 attrs[16];
+} __packed;
+
+struct ipu6se_cpd_metadata_cmpnt {
+	struct ipu6_cpd_metadata_cmpnt_hdr hdr;
+	u8 sha2_hash[IPU6SE_CPD_METADATA_HASH_KEY_SIZE];
+	u32 entry_point;
+	u32 icache_base_offs;
+	u8 attrs[16];
+} __packed;
+
+struct ipu6_cpd_metadata_extn {
+	u32 extn_type;
+	u32 len;
+	u32 img_type;
+	u8 rsvd[16];
+} __packed;
+
+struct ipu6_cpd_client_pkg_hdr {
+	u32 prog_list_offs;
+	u32 prog_list_size;
+	u32 prog_desc_offs;
+	u32 prog_desc_size;
+	u32 pg_manifest_offs;
+	u32 pg_manifest_size;
+	u32 prog_bin_offs;
+	u32 prog_bin_size;
+} __packed;
+
+int ipu6_cpd_create_pkg_dir(struct ipu6_bus_device *adev, const void *src);
+void ipu6_cpd_free_pkg_dir(struct ipu6_bus_device *adev);
+int ipu6_cpd_validate_cpd_file(struct ipu6_device *isp, const void *cpd_file,
+			       unsigned long cpd_file_size);
+#endif /* IPU6_CPD_H */