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-rw-r--r--include/linux/usb/serial.h160
1 files changed, 90 insertions, 70 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 488ce128885c..21b4a1c6f585 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -20,7 +20,8 @@
#define SERIAL_TTY_MAJOR 188 /* Nice legal number now */
#define SERIAL_TTY_MINORS 255 /* loads of devices :) */
-#define MAX_NUM_PORTS 8 /* The maximum number of ports one device can grab at once */
+/* The maximum number of ports one device can grab at once */
+#define MAX_NUM_PORTS 8
/* parity check flag */
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
@@ -61,29 +62,29 @@
* ports of a device.
*/
struct usb_serial_port {
- struct usb_serial * serial;
- struct tty_struct * tty;
+ struct usb_serial *serial;
+ struct tty_struct *tty;
spinlock_t lock;
struct mutex mutex;
unsigned char number;
- unsigned char * interrupt_in_buffer;
- struct urb * interrupt_in_urb;
+ unsigned char *interrupt_in_buffer;
+ struct urb *interrupt_in_urb;
__u8 interrupt_in_endpointAddress;
- unsigned char * interrupt_out_buffer;
+ unsigned char *interrupt_out_buffer;
int interrupt_out_size;
- struct urb * interrupt_out_urb;
+ struct urb *interrupt_out_urb;
__u8 interrupt_out_endpointAddress;
- unsigned char * bulk_in_buffer;
+ unsigned char *bulk_in_buffer;
int bulk_in_size;
- struct urb * read_urb;
+ struct urb *read_urb;
__u8 bulk_in_endpointAddress;
- unsigned char * bulk_out_buffer;
+ unsigned char *bulk_out_buffer;
int bulk_out_size;
- struct urb * write_urb;
+ struct urb *write_urb;
int write_urb_busy;
__u8 bulk_out_endpointAddress;
@@ -92,17 +93,19 @@ struct usb_serial_port {
int open_count;
char throttled;
char throttle_req;
+ char console;
struct device dev;
};
#define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev)
/* get and set the port private data pointer helper functions */
-static inline void *usb_get_serial_port_data (struct usb_serial_port *port)
+static inline void *usb_get_serial_port_data(struct usb_serial_port *port)
{
return dev_get_drvdata(&port->dev);
}
-static inline void usb_set_serial_port_data (struct usb_serial_port *port, void *data)
+static inline void usb_set_serial_port_data(struct usb_serial_port *port,
+ void *data)
{
dev_set_drvdata(&port->dev, data);
}
@@ -125,9 +128,10 @@ static inline void usb_set_serial_port_data (struct usb_serial_port *port, void
* usb_set_serial_data() to access this.
*/
struct usb_serial {
- struct usb_device * dev;
- struct usb_serial_driver * type;
- struct usb_interface * interface;
+ struct usb_device *dev;
+ struct usb_serial_driver *type;
+ struct usb_interface *interface;
+ unsigned char disconnected;
unsigned char minor;
unsigned char num_ports;
unsigned char num_port_pointers;
@@ -135,29 +139,30 @@ struct usb_serial {
char num_interrupt_out;
char num_bulk_in;
char num_bulk_out;
- struct usb_serial_port * port[MAX_NUM_PORTS];
+ struct usb_serial_port *port[MAX_NUM_PORTS];
struct kref kref;
- void * private;
+ struct mutex disc_mutex;
+ void *private;
};
#define to_usb_serial(d) container_of(d, struct usb_serial, kref)
#define NUM_DONT_CARE 99
/* get and set the serial private data pointer helper functions */
-static inline void *usb_get_serial_data (struct usb_serial *serial)
+static inline void *usb_get_serial_data(struct usb_serial *serial)
{
return serial->private;
}
-static inline void usb_set_serial_data (struct usb_serial *serial, void *data)
+static inline void usb_set_serial_data(struct usb_serial *serial, void *data)
{
serial->private = data;
}
/**
* usb_serial_driver - describes a usb serial driver
- * @description: pointer to a string that describes this driver. This string used
- * in the syslog messages when a device is inserted or removed.
+ * @description: pointer to a string that describes this driver. This string
+ * used in the syslog messages when a device is inserted or removed.
* @id_table: pointer to a list of usb_device_id structures that define all
* of the devices this structure can support.
* @num_interrupt_in: If a device doesn't have this many interrupt-in
@@ -218,82 +223,91 @@ struct usb_serial_driver {
struct usb_driver *usb_driver;
struct usb_dynids dynids;
- int (*probe) (struct usb_serial *serial, const struct usb_device_id *id);
- int (*attach) (struct usb_serial *serial);
+ int (*probe)(struct usb_serial *serial, const struct usb_device_id *id);
+ int (*attach)(struct usb_serial *serial);
int (*calc_num_ports) (struct usb_serial *serial);
- void (*shutdown) (struct usb_serial *serial);
+ void (*shutdown)(struct usb_serial *serial);
- int (*port_probe) (struct usb_serial_port *port);
- int (*port_remove) (struct usb_serial_port *port);
+ int (*port_probe)(struct usb_serial_port *port);
+ int (*port_remove)(struct usb_serial_port *port);
- int (*suspend) (struct usb_serial *serial, pm_message_t message);
- int (*resume) (struct usb_serial *serial);
+ int (*suspend)(struct usb_serial *serial, pm_message_t message);
+ int (*resume)(struct usb_serial *serial);
/* serial function calls */
- int (*open) (struct usb_serial_port *port, struct file * filp);
- void (*close) (struct usb_serial_port *port, struct file * filp);
- int (*write) (struct usb_serial_port *port, const unsigned char *buf, int count);
- int (*write_room) (struct usb_serial_port *port);
- int (*ioctl) (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
- void (*set_termios) (struct usb_serial_port *port, struct ktermios * old);
- void (*break_ctl) (struct usb_serial_port *port, int break_state);
- int (*chars_in_buffer) (struct usb_serial_port *port);
- void (*throttle) (struct usb_serial_port *port);
- void (*unthrottle) (struct usb_serial_port *port);
- int (*tiocmget) (struct usb_serial_port *port, struct file *file);
- int (*tiocmset) (struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear);
+ int (*open)(struct usb_serial_port *port, struct file *filp);
+ void (*close)(struct usb_serial_port *port, struct file *filp);
+ int (*write)(struct usb_serial_port *port, const unsigned char *buf,
+ int count);
+ int (*write_room)(struct usb_serial_port *port);
+ int (*ioctl)(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg);
+ void (*set_termios)(struct usb_serial_port *port, struct ktermios *old);
+ void (*break_ctl)(struct usb_serial_port *port, int break_state);
+ int (*chars_in_buffer)(struct usb_serial_port *port);
+ void (*throttle)(struct usb_serial_port *port);
+ void (*unthrottle)(struct usb_serial_port *port);
+ int (*tiocmget)(struct usb_serial_port *port, struct file *file);
+ int (*tiocmset)(struct usb_serial_port *port, struct file *file,
+ unsigned int set, unsigned int clear);
void (*read_int_callback)(struct urb *urb);
void (*write_int_callback)(struct urb *urb);
void (*read_bulk_callback)(struct urb *urb);
void (*write_bulk_callback)(struct urb *urb);
};
-#define to_usb_serial_driver(d) container_of(d, struct usb_serial_driver, driver)
+#define to_usb_serial_driver(d) \
+ container_of(d, struct usb_serial_driver, driver)
extern int usb_serial_register(struct usb_serial_driver *driver);
extern void usb_serial_deregister(struct usb_serial_driver *driver);
extern void usb_serial_port_softint(struct usb_serial_port *port);
-extern int usb_serial_probe(struct usb_interface *iface, const struct usb_device_id *id);
+extern int usb_serial_probe(struct usb_interface *iface,
+ const struct usb_device_id *id);
extern void usb_serial_disconnect(struct usb_interface *iface);
extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message);
extern int usb_serial_resume(struct usb_interface *intf);
-extern int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *data, int length, __u8 bRequest);
-extern int ezusb_set_reset (struct usb_serial *serial, unsigned char reset_bit);
+extern int ezusb_writememory(struct usb_serial *serial, int address,
+ unsigned char *data, int length, __u8 bRequest);
+extern int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit);
/* USB Serial console functions */
#ifdef CONFIG_USB_SERIAL_CONSOLE
-extern void usb_serial_console_init (int debug, int minor);
-extern void usb_serial_console_exit (void);
+extern void usb_serial_console_init(int debug, int minor);
+extern void usb_serial_console_exit(void);
extern void usb_serial_console_disconnect(struct usb_serial *serial);
#else
-static inline void usb_serial_console_init (int debug, int minor) { }
-static inline void usb_serial_console_exit (void) { }
+static inline void usb_serial_console_init(int debug, int minor) { }
+static inline void usb_serial_console_exit(void) { }
static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
#endif
/* Functions needed by other parts of the usbserial core */
-extern struct usb_serial *usb_serial_get_by_index (unsigned int minor);
+extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
-extern int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp);
-extern int usb_serial_generic_write (struct usb_serial_port *port, const unsigned char *buf, int count);
-extern void usb_serial_generic_close (struct usb_serial_port *port, struct file *filp);
-extern int usb_serial_generic_resume (struct usb_serial *serial);
-extern int usb_serial_generic_write_room (struct usb_serial_port *port);
-extern int usb_serial_generic_chars_in_buffer (struct usb_serial_port *port);
-extern void usb_serial_generic_read_bulk_callback (struct urb *urb);
-extern void usb_serial_generic_write_bulk_callback (struct urb *urb);
-extern void usb_serial_generic_throttle (struct usb_serial_port *port);
-extern void usb_serial_generic_unthrottle (struct usb_serial_port *port);
-extern void usb_serial_generic_shutdown (struct usb_serial *serial);
-extern int usb_serial_generic_register (int debug);
-extern void usb_serial_generic_deregister (void);
-
-extern int usb_serial_bus_register (struct usb_serial_driver *device);
-extern void usb_serial_bus_deregister (struct usb_serial_driver *device);
+extern int usb_serial_generic_open(struct usb_serial_port *port,
+ struct file *filp);
+extern int usb_serial_generic_write(struct usb_serial_port *port,
+ const unsigned char *buf, int count);
+extern void usb_serial_generic_close(struct usb_serial_port *port,
+ struct file *filp);
+extern int usb_serial_generic_resume(struct usb_serial *serial);
+extern int usb_serial_generic_write_room(struct usb_serial_port *port);
+extern int usb_serial_generic_chars_in_buffer(struct usb_serial_port *port);
+extern void usb_serial_generic_read_bulk_callback(struct urb *urb);
+extern void usb_serial_generic_write_bulk_callback(struct urb *urb);
+extern void usb_serial_generic_throttle(struct usb_serial_port *port);
+extern void usb_serial_generic_unthrottle(struct usb_serial_port *port);
+extern void usb_serial_generic_shutdown(struct usb_serial *serial);
+extern int usb_serial_generic_register(int debug);
+extern void usb_serial_generic_deregister(void);
+
+extern int usb_serial_bus_register(struct usb_serial_driver *device);
+extern void usb_serial_bus_deregister(struct usb_serial_driver *device);
extern struct usb_serial_driver usb_serial_generic_device;
extern struct bus_type usb_serial_bus_type;
@@ -307,16 +321,22 @@ static inline void usb_serial_debug_data(int debug,
int i;
if (debug) {
- dev_printk(KERN_DEBUG, dev, "%s - length = %d, data = ", function, size);
+ dev_printk(KERN_DEBUG, dev, "%s - length = %d, data = ",
+ function, size);
for (i = 0; i < size; ++i)
- printk ("%.2x ", data[i]);
- printk ("\n");
+ printk("%.2x ", data[i]);
+ printk("\n");
}
}
/* Use our own dbg macro */
#undef dbg
-#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg); } while (0)
+#define dbg(format, arg...) \
+ do { \
+ if (debug) \
+ printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , \
+ ## arg); \
+ } while (0)
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