drivers/usb/serial/io_edgeport.h

Source file repositories/reference/linux-study-clean/drivers/usb/serial/io_edgeport.h

File Facts

System
Linux kernel
Corpus path
drivers/usb/serial/io_edgeport.h
Extension
.h
Size
2013 bytes
Lines
62
Domain
Driver Families
Bucket
drivers/usb
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 edgeport_product_info {
	__u16	ProductId;			/* Product Identifier */
	__u8	NumPorts;			/* Number of ports on edgeport */
	__u8	ProdInfoVer;			/* What version of structure is this? */

	__u32	IsServer        :1;		/* Set if Server */
	__u32	IsRS232         :1;		/* Set if RS-232 ports exist */
	__u32	IsRS422         :1;		/* Set if RS-422 ports exist */
	__u32	IsRS485         :1;		/* Set if RS-485 ports exist */
	__u32	IsReserved      :28;		/* Reserved for later expansion */

	__u8	RomSize;			/* Size of ROM/E2PROM in K */
	__u8	RamSize;			/* Size of external RAM in K */
	__u8	CpuRev;				/* CPU revision level (chg only if s/w visible) */
	__u8	BoardRev;			/* PCB revision level (chg only if s/w visible) */

	__u8	BootMajorVersion;		/* Boot Firmware version: xx. */
	__u8	BootMinorVersion;		/*			  yy. */
	__le16	BootBuildNumber;		/*			  zzzz (LE format) */

	__u8	FirmwareMajorVersion;		/* Operational Firmware version:xx. */
	__u8	FirmwareMinorVersion;		/*				yy. */
	__le16	FirmwareBuildNumber;		/*				zzzz (LE format) */

	__u8	ManufactureDescDate[3];		/* MM/DD/YY when descriptor template was compiled */
	__u8	HardwareType;

	__u8	iDownloadFile;			/* What to download to EPiC device */
	__u8	EpicVer;			/* What version of EPiC spec this device supports */

	struct edge_compatibility_bits Epic;
};

#endif

Annotation

Implementation Notes