mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 09:36:46 +07:00
a969888ce9
USB serial outside of the kernel tree can not build properly due to usb-serial.h being buried down in the source tree. This patch moves the location of the file to include/linux/usb and fixes up all of the usb serial drivers to handle the move properly. Cc: Sergei Organov <osv@javad.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
158 lines
3.7 KiB
C
158 lines
3.7 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.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/tty_flip.h>
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/usb/serial.h>
|
|
|
|
static int debug;
|
|
|
|
static struct usb_device_id id_table [] = {
|
|
{ USB_DEVICE(0x0a99, 0x0001) }, /* Talon Technology device */
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, id_table);
|
|
|
|
static struct usb_driver navman_driver = {
|
|
.name = "navman",
|
|
.probe = usb_serial_probe,
|
|
.disconnect = usb_serial_disconnect,
|
|
.id_table = id_table,
|
|
.no_dynamic_id = 1,
|
|
};
|
|
|
|
static void navman_read_int_callback(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct usb_serial_port *port = urb->context;
|
|
unsigned char *data = urb->transfer_buffer;
|
|
struct tty_struct *tty;
|
|
int result;
|
|
|
|
switch (urb->status) {
|
|
case 0:
|
|
/* success */
|
|
break;
|
|
case -ECONNRESET:
|
|
case -ENOENT:
|
|
case -ESHUTDOWN:
|
|
/* this urb is terminated, clean up */
|
|
dbg("%s - urb shutting down with status: %d",
|
|
__FUNCTION__, urb->status);
|
|
return;
|
|
default:
|
|
dbg("%s - nonzero urb status received: %d",
|
|
__FUNCTION__, urb->status);
|
|
goto exit;
|
|
}
|
|
|
|
usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
|
|
urb->actual_length, data);
|
|
|
|
tty = port->tty;
|
|
if (tty && urb->actual_length) {
|
|
tty_buffer_request_room(tty, urb->actual_length);
|
|
tty_insert_flip_string(tty, data, urb->actual_length);
|
|
tty_flip_buffer_push(tty);
|
|
}
|
|
|
|
exit:
|
|
result = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (result)
|
|
dev_err(&urb->dev->dev,
|
|
"%s - Error %d submitting interrupt urb\n",
|
|
__FUNCTION__, result);
|
|
}
|
|
|
|
static int navman_open(struct usb_serial_port *port, struct file *filp)
|
|
{
|
|
int result = 0;
|
|
|
|
dbg("%s - port %d", __FUNCTION__, port->number);
|
|
|
|
if (port->interrupt_in_urb) {
|
|
dbg("%s - adding interrupt input for treo", __FUNCTION__);
|
|
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
|
|
if (result)
|
|
dev_err(&port->dev,
|
|
"%s - failed submitting interrupt urb, error %d\n",
|
|
__FUNCTION__, result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static void navman_close(struct usb_serial_port *port, struct file *filp)
|
|
{
|
|
dbg("%s - port %d", __FUNCTION__, port->number);
|
|
|
|
if (port->interrupt_in_urb)
|
|
usb_kill_urb(port->interrupt_in_urb);
|
|
}
|
|
|
|
static int navman_write(struct usb_serial_port *port,
|
|
const unsigned char *buf, int count)
|
|
{
|
|
dbg("%s - port %d", __FUNCTION__, port->number);
|
|
|
|
/*
|
|
* This device can't write any data, only read from the device
|
|
* so we just silently eat all data sent to us and say it was
|
|
* successfully sent.
|
|
* Evil, I know, but do you have a better idea?
|
|
*/
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct usb_serial_driver navman_device = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "navman",
|
|
},
|
|
.id_table = id_table,
|
|
.num_interrupt_in = NUM_DONT_CARE,
|
|
.num_bulk_in = NUM_DONT_CARE,
|
|
.num_bulk_out = NUM_DONT_CARE,
|
|
.num_ports = 1,
|
|
.open = navman_open,
|
|
.close = navman_close,
|
|
.write = navman_write,
|
|
.read_int_callback = navman_read_int_callback,
|
|
};
|
|
|
|
static int __init navman_init(void)
|
|
{
|
|
int retval;
|
|
|
|
retval = usb_serial_register(&navman_device);
|
|
if (retval)
|
|
return retval;
|
|
retval = usb_register(&navman_driver);
|
|
if (retval)
|
|
usb_serial_deregister(&navman_device);
|
|
return retval;
|
|
}
|
|
|
|
static void __exit navman_exit(void)
|
|
{
|
|
usb_deregister(&navman_driver);
|
|
usb_serial_deregister(&navman_device);
|
|
}
|
|
|
|
module_init(navman_init);
|
|
module_exit(navman_exit);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_param(debug, bool, S_IRUGO | S_IWUSR);
|
|
MODULE_PARM_DESC(debug, "Debug enabled or not");
|