// SPDX-License-Identifier: GPL-2.0
/*
* USB HandSpring Visor , Palm m50x , and Sony Clie driver
* ( supports all of the Palm OS USB devices )
*
* Copyright ( C ) 1999 - 2004
* Greg Kroah - Hartman ( greg @ kroah . com )
*
* See Documentation / usb / usb - serial . rst for more information on using this
* driver
*
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/spinlock.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/usb/cdc.h>
#include "visor.h"
/*
* Version Information
*/
#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>"
#define DRIVER_DESC "USB HandSpring Visor / Palm OS driver"
/* function prototypes for a handspring visor */
static int visor_open(struct tty_struct *tty, struct usb_serial_port *port);
static void visor_close(struct usb_serial_port *port);
static int visor_probe(struct usb_serial *serial,
const struct usb_device_id *id);
static int visor_calc_num_ports(struct usb_serial *serial,
struct usb_serial_endpoints *epds);
static int clie_5_calc_num_ports(struct usb_serial *serial,
struct usb_serial_endpoints *epds);
static void visor_read_int_callback(struct urb *urb);
static int clie_3_5_startup(struct usb_serial *serial);
static int palm_os_3_probe(struct usb_serial *serial,
const struct usb_device_id *id);
static int palm_os_4_probe(struct usb_serial *serial,
const struct usb_device_id *id);
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
.driver_info = (kernel_ulong_t)&palm_os_3_probe },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0 xff),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ } /* Terminating entry */
};
static const struct usb_device_id clie_id_5_table[] = {
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ } /* Terminating entry */
};
static const struct usb_device_id clie_id_3_5_table[] = {
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
{ } /* Terminating entry */
};
static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) },
{ USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) },
{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) },
{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) },
{ USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) },
{ USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) },
{ USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) },
{ USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table_combined);
/* All of the device info needed for the Handspring Visor,
and Palm 4.0 devices */
static struct usb_serial_driver handspring_device = {
.driver = {
.name = "visor" ,
},
.description = "Handspring Visor / Palm OS" ,
.id_table = id_table,
.num_ports = 2 ,
.bulk_out_size = 256 ,
.open = visor_open,
.close = visor_close,
.throttle = usb_serial_generic_throttle,
.unthrottle = usb_serial_generic_unthrottle,
.probe = visor_probe,
.calc_num_ports = visor_calc_num_ports,
.read_int_callback = visor_read_int_callback,
};
/* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */
static struct usb_serial_driver clie_5_device = {
.driver = {
.name = "clie_5" ,
},
.description = "Sony Clie 5.0" ,
.id_table = clie_id_5_table,
.num_ports = 2 ,
.num_bulk_out = 2 ,
.bulk_out_size = 256 ,
.open = visor_open,
.close = visor_close,
.throttle = usb_serial_generic_throttle,
.unthrottle = usb_serial_generic_unthrottle,
.probe = visor_probe,
.calc_num_ports = clie_5_calc_num_ports,
.read_int_callback = visor_read_int_callback,
};
/* device info for the Sony Clie OS version 3.5 */
static struct usb_serial_driver clie_3_5_device = {
.driver = {
.name = "clie_3.5" ,
},
.description = "Sony Clie 3.5" ,
.id_table = clie_id_3_5_table,
.num_ports = 1 ,
.bulk_out_size = 256 ,
.open = visor_open,
.close = visor_close,
.throttle = usb_serial_generic_throttle,
.unthrottle = usb_serial_generic_unthrottle,
.attach = clie_3_5_startup,
};
static struct usb_serial_driver * const serial_drivers[] = {
&handspring_device, &clie_5_device, &clie_3_5_device, NULL
};
/******************************************************************************
* Handspring Visor specific driver functions
******************************************************************************/
static int visor_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int result = 0 ;
if (!port->read_urb) {
/* this is needed for some brain dead Sony devices */
dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n" );
return -ENODEV;
}
/* Start reading from the device */
result = usb_serial_generic_open(tty, port);
if (result)
goto exit ;
if (port->interrupt_in_urb) {
dev_dbg(&port->dev, "adding interrupt input for treo\n" );
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);
}
exit :
return result;
}
static void visor_close(struct usb_serial_port *port)
{
unsigned char *transfer_buffer;
usb_serial_generic_close(port);
usb_kill_urb(port->interrupt_in_urb);
transfer_buffer = kmalloc(0 x12, GFP_KERNEL);
if (!transfer_buffer)
return ;
usb_control_msg(port->serial->dev,
usb_rcvctrlpipe(port->serial->dev, 0 ),
VISOR_CLOSE_NOTIFICATION, 0 xc2,
0 x0000, 0 x0000,
transfer_buffer, 0 x12, 300 );
kfree(transfer_buffer);
}
static void visor_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
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 ;
}
/*
* This information is still unknown what it can be used for .
* If anyone has an idea , please let the author know . . .
*
* Rumor has it this endpoint is used to notify when data
* is ready to be read from the bulk ones .
*/
usb_serial_debug_data(&port->dev, __func__, urb->actual_length,
urb->transfer_buffer);
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 palm_os_3_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct device *dev = &serial->dev->dev;
struct visor_connection_info *connection_info;
unsigned char *transfer_buffer;
char *string;
int retval = 0 ;
int i;
int num_ports = 0 ;
transfer_buffer = kmalloc(sizeof (*connection_info), GFP_KERNEL);
if (!transfer_buffer)
return -ENOMEM;
/* send a get connection info request */
retval = usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0 ),
VISOR_GET_CONNECTION_INFORMATION,
0 xc2, 0 x0000, 0 x0000, transfer_buffer,
sizeof (*connection_info), 300 );
if (retval < 0 ) {
dev_err(dev, "%s - error %d getting connection information\n" ,
__func__, retval);
goto exit ;
}
if (retval != sizeof (*connection_info)) {
dev_err(dev, "Invalid connection information received from device\n" );
retval = -ENODEV;
goto exit ;
}
connection_info = (struct visor_connection_info *)transfer_buffer;
num_ports = le16_to_cpu(connection_info->num_ports);
/* Handle devices that report invalid stuff here. */
if (num_ports == 0 || num_ports > 2 ) {
dev_warn(dev, "%s: No valid connect info available\n" ,
serial->type->description);
num_ports = 2 ;
}
for (i = 0 ; i < num_ports; ++i) {
switch (connection_info->connections[i].port_function_id) {
case VISOR_FUNCTION_GENERIC:
string = "Generic" ;
break ;
case VISOR_FUNCTION_DEBUGGER:
string = "Debugger" ;
break ;
case VISOR_FUNCTION_HOTSYNC:
string = "HotSync" ;
break ;
case VISOR_FUNCTION_CONSOLE:
string = "Console" ;
break ;
case VISOR_FUNCTION_REMOTE_FILE_SYS:
string = "Remote File System" ;
break ;
default :
string = "unknown" ;
break ;
}
dev_info(dev, "%s: port %d, is for %s use\n" ,
serial->type->description,
connection_info->connections[i].port, string);
}
dev_info(dev, "%s: Number of ports: %d\n" , serial->type->description,
num_ports);
/*
* save off our num_ports info so that we can use it in the
* calc_num_ports callback
*/
usb_set_serial_data(serial, (void *)(long )num_ports);
/* ask for the number of bytes available, but ignore the
response as it is broken */
retval = usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0 ),
VISOR_REQUEST_BYTES_AVAILABLE,
0 xc2, 0 x0000, 0 x0005, transfer_buffer,
0 x02, 300 );
if (retval < 0 )
dev_err(dev, "%s - error %d getting bytes available request\n" ,
__func__, retval);
retval = 0 ;
exit :
kfree(transfer_buffer);
return retval;
}
static int palm_os_4_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct device *dev = &serial->dev->dev;
struct palm_ext_connection_info *connection_info;
unsigned char *transfer_buffer;
int retval;
transfer_buffer = kmalloc(sizeof (*connection_info), GFP_KERNEL);
if (!transfer_buffer)
return -ENOMEM;
retval = usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0 ),
PALM_GET_EXT_CONNECTION_INFORMATION,
0 xc2, 0 x0000, 0 x0000, transfer_buffer,
sizeof (*connection_info), 300 );
if (retval < 0 )
dev_err(dev, "%s - error %d getting connection info\n" ,
__func__, retval);
else
usb_serial_debug_data(dev, __func__, retval, transfer_buffer);
kfree(transfer_buffer);
return 0 ;
}
static int visor_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
int retval = 0 ;
int (*startup)(struct usb_serial *serial,
const struct usb_device_id *id);
/*
* some Samsung Android phones in modem mode have the same ID
* as SPH - I500 , but they are ACM devices , so dont bind to them
*/
if (id->idVendor == SAMSUNG_VENDOR_ID &&
id->idProduct == SAMSUNG_SPH_I500_ID &&
serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
serial->dev->descriptor.bDeviceSubClass ==
USB_CDC_SUBCLASS_ACM)
return -ENODEV;
if (serial->dev->actconfig->desc.bConfigurationValue != 1 ) {
dev_err(&serial->dev->dev, "active config #%d != 1 ??\n" ,
serial->dev->actconfig->desc.bConfigurationValue);
return -ENODEV;
}
if (id->driver_info) {
startup = (void *)id->driver_info;
retval = startup(serial, id);
}
return retval;
}
static int visor_calc_num_ports(struct usb_serial *serial,
struct usb_serial_endpoints *epds)
{
unsigned int vid = le16_to_cpu(serial->dev->descriptor.idVendor);
int num_ports = (int )(long )(usb_get_serial_data(serial));
if (num_ports)
usb_set_serial_data(serial, NULL);
/*
* Only swap the bulk endpoints for the Handspring devices with
* interrupt in endpoints , which for now are the Treo devices .
*/
if (!(vid == HANDSPRING_VENDOR_ID || vid == KYOCERA_VENDOR_ID) ||
epds->num_interrupt_in == 0 )
goto out;
if (epds->num_bulk_in < 2 || epds->num_interrupt_in < 2 ) {
dev_err(&serial->interface->dev, "missing endpoints\n" );
return -ENODEV;
}
/*
* It appears that Treos and Kyoceras want to use the
* 1 st bulk in endpoint to communicate with the 2 nd bulk out endpoint ,
* so let ' s swap the 1 st and 2 nd bulk in and interrupt endpoints .
* Note that swapping the bulk out endpoints would break lots of
* apps that want to communicate on the second port .
*/
swap(epds->bulk_in[0 ], epds->bulk_in[1 ]);
swap(epds->interrupt_in[0 ], epds->interrupt_in[1 ]);
out:
return num_ports;
}
static int clie_5_calc_num_ports(struct usb_serial *serial,
struct usb_serial_endpoints *epds)
{
/*
* TH55 registers 2 ports .
* Communication in from the UX50 / TH55 uses the first bulk - in
* endpoint , while communication out to the UX50 / TH55 uses the second
* bulk - out endpoint .
*/
/*
* FIXME : Should we swap the descriptors instead of using the same
* bulk - out endpoint for both ports ?
*/
epds->bulk_out[0 ] = epds->bulk_out[1 ];
return serial->type->num_ports;
}
static int clie_3_5_startup(struct usb_serial *serial)
{
struct device *dev = &serial->dev->dev;
int result;
u8 *data;
data = kmalloc(1 , GFP_KERNEL);
if (!data)
return -ENOMEM;
/*
* Note that PEG - 300 series devices expect the following two calls .
*/
/* get the config number */
result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0 ),
USB_REQ_GET_CONFIGURATION, USB_DIR_IN,
0 , 0 , data, 1 , 3000 );
if (result < 0 ) {
dev_err(dev, "%s: get config number failed: %d\n" ,
__func__, result);
goto out;
}
if (result != 1 ) {
dev_err(dev, "%s: get config number bad return length: %d\n" ,
__func__, result);
result = -EIO;
goto out;
}
/* get the interface number */
result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0 ),
USB_REQ_GET_INTERFACE,
USB_DIR_IN | USB_RECIP_INTERFACE,
0 , 0 , data, 1 , 3000 );
if (result < 0 ) {
dev_err(dev, "%s: get interface number failed: %d\n" ,
__func__, result);
goto out;
}
if (result != 1 ) {
dev_err(dev,
"%s: get interface number bad return length: %d\n" ,
__func__, result);
result = -EIO;
goto out;
}
result = 0 ;
out:
kfree(data);
return result;
}
module_usb_serial_driver(serial_drivers, id_table_combined);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL v2" );
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