forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
580 lines
18 KiB
580 lines
18 KiB
// 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 ([email protected]) |
|
* |
|
* 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 <[email protected]>" |
|
#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, 0xff), |
|
.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 = { |
|
.owner = THIS_MODULE, |
|
.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 = { |
|
.owner = THIS_MODULE, |
|
.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 = { |
|
.owner = THIS_MODULE, |
|
.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(0x12, GFP_KERNEL); |
|
if (!transfer_buffer) |
|
return; |
|
usb_control_msg(port->serial->dev, |
|
usb_rcvctrlpipe(port->serial->dev, 0), |
|
VISOR_CLOSE_NOTIFICATION, 0xc2, |
|
0x0000, 0x0000, |
|
transfer_buffer, 0x12, 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, |
|
0xc2, 0x0000, 0x0000, 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, |
|
0xc2, 0x0000, 0x0005, transfer_buffer, |
|
0x02, 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, |
|
0xc2, 0x0000, 0x0000, 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 |
|
* 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, |
|
* so let's swap the 1st and 2nd 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");
|
|
|