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Commit 485f36ca authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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[PATCH] USB visor: Split up the initialization command logic to handle... 

[PATCH] USB visor: Split up the initialization command logic to handle different device types better.
parent ddc4e89f
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Showing with 148 additions and 88 deletions
drivers/usb/serial/visor.c
View file @ 485f36ca
......@@ -177,24 +177,40 @@ static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void visor_read_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void visor_read_int_callback (struct urb *urb, struct pt_regs *regs);
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 struct usb_device_id id_table [] = {
{ 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_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_TUNGSTEN_Z_ID) },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
.driver_info = (unsigned int)&palm_os_3_probe },
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ 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_NX60_ID),
.driver_info = (unsigned int)&palm_os_4_probe },
{ } /* Terminating entry */
};
......@@ -600,101 +616,145 @@ static void visor_unthrottle (struct usb_serial_port *port)
dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __FUNCTION__, result);
}
static int visor_probe (struct usb_serial *serial, const struct usb_device_id *id)
static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_id *id)
{
struct device *dev = &serial->dev->dev;
int response;
struct visor_connection_info *connection_info;
unsigned char *transfer_buffer;
char *string;
int retval = 0;
int i;
int num_ports;
unsigned char *transfer_buffer = kmalloc (256, GFP_KERNEL);
dbg("%s", __FUNCTION__);
transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL);
if (!transfer_buffer) {
dev_err(dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__, 256);
dev_err(dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__,
sizeof(*connection_info));
return -ENOMEM;
}
dbg("%s", __FUNCTION__);
dbg("%s - Set config to 1", __FUNCTION__);
usb_set_configuration (serial->dev, 1);
/* send a get connection info request */
response = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), VISOR_GET_CONNECTION_INFORMATION,
0xc2, 0x0000, 0x0000, transfer_buffer, 0x12, 300);
if (response < 0) {
dev_err(dev, "%s - error getting connection information\n", __FUNCTION__);
} else {
struct visor_connection_info *connection_info = (struct visor_connection_info *)transfer_buffer;
char *string;
le16_to_cpus(&connection_info->num_ports);
num_ports = connection_info->num_ports;
dev_info(dev, "%s: Number of ports: %d\n", serial->type->name, connection_info->num_ports);
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->name,
connection_info->connections[i].port, string);
/* save off our num_ports info so that we can use it in the calc_num_ports call */
usb_set_serial_data(serial, (void *)(long)num_ports);
}
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",
__FUNCTION__, retval);
goto exit;
}
if ((serial->dev->descriptor.idVendor == PALM_VENDOR_ID) ||
((serial->dev->descriptor.idVendor == SONY_VENDOR_ID) &&
(serial->dev->descriptor.idProduct != SONY_CLIE_4_1_ID))) {
/* Palm OS 4.0 Hack */
response = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0),
PALM_GET_SOME_UNKNOWN_INFORMATION,
0xc2, 0x0000, 0x0000, transfer_buffer,
0x14, 300);
if (response < 0) {
dev_err(dev, "%s - error getting first unknown palm command\n", __FUNCTION__);
} else {
usb_serial_debug_data (__FILE__, __FUNCTION__, 0x14, transfer_buffer);
}
response = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0),
PALM_GET_SOME_UNKNOWN_INFORMATION,
0xc2, 0x0000, 0x0000, transfer_buffer,
0x14, 300);
if (response < 0) {
dev_err(dev, "%s - error getting second unknown palm command\n", __FUNCTION__);
} else {
usb_serial_debug_data (__FILE__, __FUNCTION__, 0x14, transfer_buffer);
connection_info = (struct visor_connection_info *)transfer_buffer;
le16_to_cpus(&connection_info->num_ports);
num_ports = connection_info->num_ports;
/* handle devices that report invalid stuff here */
if (num_ports > 2)
num_ports = 2;
dev_info(dev, "%s: Number of ports: %d\n", serial->type->name,
connection_info->num_ports);
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->name,
connection_info->connections[i].port, string);
}
/*
* 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 */
response = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), VISOR_REQUEST_BYTES_AVAILABLE,
0xc2, 0x0000, 0x0005, transfer_buffer, 0x02, 300);
if (response < 0) {
dev_err(dev, "%s - error getting bytes available request\n", __FUNCTION__);
}
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",
__FUNCTION__, retval);
retval = 0;
exit:
kfree (transfer_buffer);
/* continue on with initialization */
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;
dbg("%s", __FUNCTION__);
transfer_buffer = kmalloc (sizeof (*connection_info), GFP_KERNEL);
if (!transfer_buffer) {
dev_err(dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__,
sizeof(*connection_info));
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",
__FUNCTION__, retval);
else
usb_serial_debug_data (__FILE__, __FUNCTION__, 0x14, 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);
dbg("%s", __FUNCTION__);
dbg("%s - Set config to 1", __FUNCTION__);
usb_set_configuration (serial->dev, 1);
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)
{
int num_ports = (int)(long)(usb_get_serial_data(serial));
......
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