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v3.1
  1/*
  2 * Navman Serial USB driver
  3 *
  4 * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
  5 *
  6 *	This program is free software; you can redistribute it and/or
  7 *	modify it under the terms of the GNU General Public License
  8 *	version 2 as published by the Free Software Foundation.
  9 *
 10 * TODO:
 11 *	Add termios method that uses copy_hw but also kills all echo
 12 *	flags as the navman is rx only so cannot echo.
 13 */
 14
 15#include <linux/gfp.h>
 16#include <linux/kernel.h>
 17#include <linux/init.h>
 18#include <linux/tty.h>
 19#include <linux/tty_flip.h>
 20#include <linux/module.h>
 21#include <linux/usb.h>
 22#include <linux/usb/serial.h>
 23
 24static int debug;
 25
 26static const struct usb_device_id id_table[] = {
 27	{ USB_DEVICE(0x0a99, 0x0001) },	/* Talon Technology device */
 28	{ USB_DEVICE(0x0df7, 0x0900) },	/* Mobile Action i-gotU */
 29	{ },
 30};
 31MODULE_DEVICE_TABLE(usb, id_table);
 32
 33static struct usb_driver navman_driver = {
 34	.name =		"navman",
 35	.probe =	usb_serial_probe,
 36	.disconnect =	usb_serial_disconnect,
 37	.id_table =	id_table,
 38	.no_dynamic_id = 	1,
 39};
 40
 41static void navman_read_int_callback(struct urb *urb)
 42{
 43	struct usb_serial_port *port = urb->context;
 44	unsigned char *data = urb->transfer_buffer;
 45	struct tty_struct *tty;
 46	int status = urb->status;
 47	int result;
 48
 49	switch (status) {
 50	case 0:
 51		/* success */
 52		break;
 53	case -ECONNRESET:
 54	case -ENOENT:
 55	case -ESHUTDOWN:
 56		/* this urb is terminated, clean up */
 57		dbg("%s - urb shutting down with status: %d",
 58		    __func__, status);
 59		return;
 60	default:
 61		dbg("%s - nonzero urb status received: %d",
 62		    __func__, status);
 63		goto exit;
 64	}
 65
 66	usb_serial_debug_data(debug, &port->dev, __func__,
 67			      urb->actual_length, data);
 68
 69	tty = tty_port_tty_get(&port->port);
 70	if (tty && urb->actual_length) {
 71		tty_insert_flip_string(tty, data, urb->actual_length);
 72		tty_flip_buffer_push(tty);
 73	}
 74	tty_kref_put(tty);
 75
 76exit:
 77	result = usb_submit_urb(urb, GFP_ATOMIC);
 78	if (result)
 79		dev_err(&urb->dev->dev,
 80			"%s - Error %d submitting interrupt urb\n",
 81			__func__, result);
 82}
 83
 84static int navman_open(struct tty_struct *tty, struct usb_serial_port *port)
 85{
 86	int result = 0;
 87
 88	dbg("%s - port %d", __func__, port->number);
 89
 90	if (port->interrupt_in_urb) {
 91		dbg("%s - adding interrupt input for treo", __func__);
 
 92		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 93		if (result)
 94			dev_err(&port->dev,
 95				"%s - failed submitting interrupt urb, error %d\n",
 96				__func__, result);
 97	}
 98	return result;
 99}
100
101static void navman_close(struct usb_serial_port *port)
102{
103	dbg("%s - port %d", __func__, port->number);
104
105	usb_kill_urb(port->interrupt_in_urb);
106}
107
108static int navman_write(struct tty_struct *tty, struct usb_serial_port *port,
109			const unsigned char *buf, int count)
110{
111	dbg("%s - port %d", __func__, port->number);
112
113	/*
114	 * This device can't write any data, only read from the device
115	 */
116	return -EOPNOTSUPP;
117}
118
119static struct usb_serial_driver navman_device = {
120	.driver = {
121		.owner =	THIS_MODULE,
122		.name =		"navman",
123	},
124	.id_table =		id_table,
125	.usb_driver =		&navman_driver,
126	.num_ports =		1,
127	.open =			navman_open,
128	.close = 		navman_close,
129	.write = 		navman_write,
130	.read_int_callback =	navman_read_int_callback,
131};
132
133static int __init navman_init(void)
134{
135	int retval;
136
137	retval = usb_serial_register(&navman_device);
138	if (retval)
139		return retval;
140	retval = usb_register(&navman_driver);
141	if (retval)
142		usb_serial_deregister(&navman_device);
143	return retval;
144}
145
146static void __exit navman_exit(void)
147{
148	usb_deregister(&navman_driver);
149	usb_serial_deregister(&navman_device);
150}
151
152module_init(navman_init);
153module_exit(navman_exit);
154MODULE_LICENSE("GPL");
155
156module_param(debug, bool, S_IRUGO | S_IWUSR);
157MODULE_PARM_DESC(debug, "Debug enabled or not");
v3.5.6
  1/*
  2 * Navman Serial USB driver
  3 *
  4 * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
  5 *
  6 *	This program is free software; you can redistribute it and/or
  7 *	modify it under the terms of the GNU General Public License
  8 *	version 2 as published by the Free Software Foundation.
  9 *
 10 * TODO:
 11 *	Add termios method that uses copy_hw but also kills all echo
 12 *	flags as the navman is rx only so cannot echo.
 13 */
 14
 15#include <linux/gfp.h>
 16#include <linux/kernel.h>
 17#include <linux/init.h>
 18#include <linux/tty.h>
 19#include <linux/tty_flip.h>
 20#include <linux/module.h>
 21#include <linux/usb.h>
 22#include <linux/usb/serial.h>
 23
 24static bool debug;
 25
 26static const struct usb_device_id id_table[] = {
 27	{ USB_DEVICE(0x0a99, 0x0001) },	/* Talon Technology device */
 28	{ USB_DEVICE(0x0df7, 0x0900) },	/* Mobile Action i-gotU */
 29	{ },
 30};
 31MODULE_DEVICE_TABLE(usb, id_table);
 32
 
 
 
 
 
 
 
 
 33static void navman_read_int_callback(struct urb *urb)
 34{
 35	struct usb_serial_port *port = urb->context;
 36	unsigned char *data = urb->transfer_buffer;
 37	struct tty_struct *tty;
 38	int status = urb->status;
 39	int result;
 40
 41	switch (status) {
 42	case 0:
 43		/* success */
 44		break;
 45	case -ECONNRESET:
 46	case -ENOENT:
 47	case -ESHUTDOWN:
 48		/* this urb is terminated, clean up */
 49		dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
 50			__func__, status);
 51		return;
 52	default:
 53		dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
 54			__func__, status);
 55		goto exit;
 56	}
 57
 58	usb_serial_debug_data(debug, &port->dev, __func__,
 59			      urb->actual_length, data);
 60
 61	tty = tty_port_tty_get(&port->port);
 62	if (tty && urb->actual_length) {
 63		tty_insert_flip_string(tty, data, urb->actual_length);
 64		tty_flip_buffer_push(tty);
 65	}
 66	tty_kref_put(tty);
 67
 68exit:
 69	result = usb_submit_urb(urb, GFP_ATOMIC);
 70	if (result)
 71		dev_err(&urb->dev->dev,
 72			"%s - Error %d submitting interrupt urb\n",
 73			__func__, result);
 74}
 75
 76static int navman_open(struct tty_struct *tty, struct usb_serial_port *port)
 77{
 78	int result = 0;
 79
 
 
 80	if (port->interrupt_in_urb) {
 81		dev_dbg(&port->dev, "%s - adding interrupt input for treo\n",
 82			__func__);
 83		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 84		if (result)
 85			dev_err(&port->dev,
 86				"%s - failed submitting interrupt urb, error %d\n",
 87				__func__, result);
 88	}
 89	return result;
 90}
 91
 92static void navman_close(struct usb_serial_port *port)
 93{
 
 
 94	usb_kill_urb(port->interrupt_in_urb);
 95}
 96
 97static int navman_write(struct tty_struct *tty, struct usb_serial_port *port,
 98			const unsigned char *buf, int count)
 99{
 
 
100	/*
101	 * This device can't write any data, only read from the device
102	 */
103	return -EOPNOTSUPP;
104}
105
106static struct usb_serial_driver navman_device = {
107	.driver = {
108		.owner =	THIS_MODULE,
109		.name =		"navman",
110	},
111	.id_table =		id_table,
 
112	.num_ports =		1,
113	.open =			navman_open,
114	.close = 		navman_close,
115	.write = 		navman_write,
116	.read_int_callback =	navman_read_int_callback,
117};
118
119static struct usb_serial_driver * const serial_drivers[] = {
120	&navman_device, NULL
121};
 
 
 
 
 
 
 
 
 
122
123module_usb_serial_driver(serial_drivers, id_table);
 
 
 
 
124
 
 
125MODULE_LICENSE("GPL");
126
127module_param(debug, bool, S_IRUGO | S_IWUSR);
128MODULE_PARM_DESC(debug, "Debug enabled or not");