drivers/usb/serial/usb-serial-simple.c

Source file repositories/reference/linux-study-clean/drivers/usb/serial/usb-serial-simple.c

File Facts

System
Linux kernel
Corpus path
drivers/usb/serial/usb-serial-simple.c
Extension
.c
Size
4762 bytes
Lines
174
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

// SPDX-License-Identifier: GPL-2.0
/*
 * USB Serial "Simple" driver
 *
 * Copyright (C) 2001-2006,2008,2013 Greg Kroah-Hartman <greg@kroah.com>
 * Copyright (C) 2005 Arthur Huillet (ahuillet@users.sf.net)
 * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de>
 * Copyright (C) 2009 Outpost Embedded, LLC
 * Copyright (C) 2010 Zilogic Systems <code@zilogic.com>
 * Copyright (C) 2013 Wei Shuai <cpuwolf@gmail.com>
 * Copyright (C) 2013 Linux Foundation
 */

#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>

#define DEVICE_N(vendor, IDS, nport)				\
static const struct usb_device_id vendor##_id_table[] = {	\
	IDS(),							\
	{ },							\
};								\
static struct usb_serial_driver vendor##_device = {		\
	.driver = {						\
		.name =		#vendor,			\
	},							\
	.id_table =		vendor##_id_table,		\
	.num_ports =		nport,				\
};

#define DEVICE(vendor, IDS)	DEVICE_N(vendor, IDS, 1)

/* Medtronic CareLink USB driver */
#define CARELINK_IDS()			\
	{ USB_DEVICE(0x0a21, 0x8001) }	/* MMT-7305WW */
DEVICE(carelink, CARELINK_IDS);

/* Infineon Flashloader driver */
#define FLASHLOADER_IDS()		\
	{ USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
	{ USB_DEVICE(0x8087, 0x0716) }, \
	{ USB_DEVICE(0x8087, 0x0801) }
DEVICE(flashloader, FLASHLOADER_IDS);

/* Funsoft Serial USB driver */
#define FUNSOFT_IDS()			\
	{ USB_DEVICE(0x1404, 0xcddc) }
DEVICE(funsoft, FUNSOFT_IDS);

/* Google Serial USB SubClass */
#define GOOGLE_IDS()						\
	{ USB_VENDOR_AND_INTERFACE_INFO(0x18d1,			\
					USB_CLASS_VENDOR_SPEC,	\
					0x50,			\
					0x01) }
DEVICE(google, GOOGLE_IDS);

/* HP4x (48/49) Generic Serial driver */
#define HP4X_IDS()			\
	{ USB_DEVICE(0x03f0, 0x0121) }
DEVICE(hp4x, HP4X_IDS);

/* KAUFMANN RKS+CAN VCP */
#define KAUFMANN_IDS()			\
	{ USB_DEVICE(0x16d0, 0x0870) }
DEVICE(kaufmann, KAUFMANN_IDS);

/* Libtransistor USB console */
#define LIBTRANSISTOR_IDS()			\
	{ USB_DEVICE(0x1209, 0x8b00) }
DEVICE(libtransistor, LIBTRANSISTOR_IDS);

/* Motorola USB Phone driver */
#define MOTO_IDS()			\
	{ USB_DEVICE(0x05c6, 0x3197) },	/* unknown Motorola phone */	\
	{ USB_DEVICE(0x0c44, 0x0022) },	/* unknown Motorola phone */	\
	{ USB_DEVICE(0x22b8, 0x2a64) },	/* Motorola KRZR K1m */		\
	{ USB_DEVICE(0x22b8, 0x2c84) },	/* Motorola VE240 phone */	\
	{ USB_DEVICE(0x22b8, 0x2c64) }	/* Motorola V950 phone */
DEVICE(moto_modem, MOTO_IDS);

/* Motorola Tetra driver */
#define MOTOROLA_TETRA_IDS()			\
	{ USB_DEVICE(0x0cad, 0x9011) },	/* Motorola Solutions TETRA PEI */ \
	{ USB_DEVICE(0x0cad, 0x9012) },	/* MTP6550 */ \
	{ USB_DEVICE(0x0cad, 0x9013) },	/* MTP3xxx */ \
	{ USB_DEVICE(0x0cad, 0x9015) },	/* MTP85xx */ \
	{ USB_DEVICE(0x0cad, 0x9016) }	/* TPG2200 */

Annotation

Implementation Notes