drivers/media/pci/intel/ipu6/ipu6-cpd.h

Source file repositories/reference/linux-study-clean/drivers/media/pci/intel/ipu6/ipu6-cpd.h

File Facts

System
Linux kernel
Corpus path
drivers/media/pci/intel/ipu6/ipu6-cpd.h
Extension
.h
Size
2487 bytes
Lines
106
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

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 */

Annotation

Implementation Notes