mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 01:53:15 +07:00
803a536243
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/*
|
|
* Navman Serial USB driver
|
|
*
|
|
* Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* TODO:
|
|
* Add termios method that uses copy_hw but also kills all echo
|
|
* flags as the navman is rx only so cannot echo.
|
|
*/
|
|
|
|
#include <linux/gfp.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/tty_flip.h>
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/usb/serial.h>
|
|
|
|
static const struct usb_device_id id_table[] = {
|
|
{ USB_DEVICE(0x0a99, 0x0001) }, /* Talon Technology device */
|
|
{ USB_DEVICE(0x0df7, 0x0900) }, /* Mobile Action i-gotU */
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, id_table);
|
|
|
|
static void navman_read_int_callback(struct urb *urb)
|
|
{
|
|
struct usb_serial_port *port = urb->context;
|
|
unsigned char *data = urb->transfer_buffer;
|
|
int status = urb->status;
|
|
int result;
|
|
|
|
switch (status) {
|
|
case 0:
|
|
/* success */
|
|
break;
|
|
case -ECONNRESET:
|
|
case -ENOENT:
|
|
case -ESHUTDOWN:
|
|
/* this urb is terminated, clean up */
|
|
dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
|
|
__func__, status);
|
|
return;
|
|
default:
|
|
dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
|
|
__func__, status);
|
|
goto exit;
|
|
}
|
|
|
|
usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data);
|
|
|
|
if (urb->actual_length) {
|
|
tty_insert_flip_string(&port->port, data, urb->actual_length);
|
|
tty_flip_buffer_push(&port->port);
|
|
}
|
|
|
|
exit:
|
|
result = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (result)
|
|
dev_err(&urb->dev->dev,
|
|
"%s - Error %d submitting interrupt urb\n",
|
|
__func__, result);
|
|
}
|
|
|
|
static int navman_open(struct tty_struct *tty, struct usb_serial_port *port)
|
|
{
|
|
int result = 0;
|
|
|
|
if (port->interrupt_in_urb) {
|
|
dev_dbg(&port->dev, "%s - adding interrupt input for treo\n",
|
|
__func__);
|
|
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
|
|
if (result)
|
|
dev_err(&port->dev,
|
|
"%s - failed submitting interrupt urb, error %d\n",
|
|
__func__, result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static void navman_close(struct usb_serial_port *port)
|
|
{
|
|
usb_kill_urb(port->interrupt_in_urb);
|
|
}
|
|
|
|
static int navman_write(struct tty_struct *tty, struct usb_serial_port *port,
|
|
const unsigned char *buf, int count)
|
|
{
|
|
/*
|
|
* This device can't write any data, only read from the device
|
|
*/
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static struct usb_serial_driver navman_device = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "navman",
|
|
},
|
|
.id_table = id_table,
|
|
.num_ports = 1,
|
|
.open = navman_open,
|
|
.close = navman_close,
|
|
.write = navman_write,
|
|
.read_int_callback = navman_read_int_callback,
|
|
};
|
|
|
|
static struct usb_serial_driver * const serial_drivers[] = {
|
|
&navman_device, NULL
|
|
};
|
|
|
|
module_usb_serial_driver(serial_drivers, id_table);
|
|
|
|
MODULE_LICENSE("GPL");
|