//#define DEBUG_ON
//#undef dbg
#ifdef DEBUG_ON
- #define mydbg(const...) printk(const)
+#define mydbg(const...) printk(const)
#else
- #define mydbg(const...)
+#define mydbg(const...)
#endif
-
/* parity check flag */
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
#define SERIAL_TTY_MAJOR 0 /* 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 */
#define PREFUFF_LEVEL_CONSERVATIVE 128
#define ATC_DISABLED 0x00
-#define RR_BITS 0x03 //for clearing clock bits
+#define RR_BITS 0x03 //for clearing clock bits
#define DUPMODE_BITS 0xc0
#define RS232_MODE 0x00
#define RTSCTS_TO_CONNECTOR 0x40
-#define CLKS_X4 0x02 ///
+#define CLKS_X4 0x02 ///
-#define LOOPMODE_BITS 0x41 //LOOP1 = b6, LOOP0 = b0 (PORT B)
+#define LOOPMODE_BITS 0x41 //LOOP1 = b6, LOOP0 = b0 (PORT B)
#define ALL_LOOPBACK 0x01
#define MODEM_CTRL 0x40
-
#define THISCHAR data[i]
#define NEXTCHAR data[i + 1]
#define THIRDCHAR data[i + 2]
#define FULLPWRBIT 0x00000080
#define NEXT_BOARD_POWER_BIT 0x00000004
-
#define SERIAL_LSR_OE 0x02
#define SERIAL_LSR_PE 0x04
#define SERIAL_LSR_FE 0x08
#define LINE_STATUS_REGISTER 0x05
#define MODEM_STATUS_REGISTER 0x06
-
#define SERIAL_MCR_DTR 0x01
#define SERIAL_MCR_RTS 0x02
#define SERIAL_MCR_LOOP 0x10
#define MAX_BAUD_RATE 460800
#define MAX_BAUD_REMAINDER 4608
-
#define QT_SET_GET_DEVICE 0xc2
#define QT_OPEN_CLOSE_CHANNEL 0xca
#define QT_GET_SET_PREBUF_TRIG_LVL 0xcc
#define SERIALQT_GET_THIS_UNIT _IOR(SERIALQT_PCI_IOC_MAGIC, 3, void *)
#define SERIALQT_READ_QOPR _IOR(SERIALQT_PCI_IOC_MAGIC, 4, int)
#define SERIALQT_READ_QMCR _IOR(SERIALQT_PCI_IOC_MAGIC, 5, int)
-#define SERIALQT_IS422_EXTENDED _IOR(SERIALQT_PCI_IOC_MAGIC, 6, int) //returns successful if 422 extended
-
+#define SERIALQT_IS422_EXTENDED _IOR(SERIALQT_PCI_IOC_MAGIC, 6, int) //returns successful if 422 extended
#define USBD_TRANSFER_DIRECTION_IN 0xc0
#define USBD_TRANSFER_DIRECTION_OUT 0x40
#define ATC_RTS_ENABLED 0x02
#define ATC_DTR_ENABLED 0x01
-#define RR_BITS 0x03 //for clearing clock bits
+#define RR_BITS 0x03 //for clearing clock bits
#define DUPMODE_BITS 0xc0
#define FULL_DUPLEX 0x00
#define QMCR_ALL_LOOPBACK 0x10
#define QMCR_MODEM_CONTROL 0X00
-
-
#define SERIALQT_IOC_MAXNR 6
struct usb_serial_port {
- struct usb_serial *serial; /* pointer back to the owner of this port */
- struct tty_struct * tty; /* the coresponding tty for this port */
- unsigned char number;
- char active; /* someone has this device open */
-
- unsigned char * interrupt_in_buffer;
- struct urb * interrupt_in_urb;
- __u8 interrupt_in_endpointAddress;
-
- unsigned char * bulk_in_buffer;
- unsigned char * xfer_to_tty_buffer;
- struct urb * read_urb;
- __u8 bulk_in_endpointAddress;
-
- unsigned char * bulk_out_buffer;
- int bulk_out_size;
- struct urb * write_urb;
- __u8 bulk_out_endpointAddress;
-
- wait_queue_head_t write_wait;
- wait_queue_head_t wait;
- struct work_struct work;
-
- int open_count; /* number of times this port has been opened */
- struct semaphore sem; /* locks this structure */
-
- __u8 shadowLCR; /* last LCR value received */
- __u8 shadowMCR; /* last MCR value received */
- __u8 shadowMSR; /* last MSR value received */
- __u8 shadowLSR; /* last LSR value received */
- int RxHolding;
- char closePending;
- int ReadBulkStopped;
-
- void * private; /* data private to the specific port */
+ struct usb_serial *serial; /* pointer back to the owner of this port */
+ struct tty_struct *tty; /* the coresponding tty for this port */
+ unsigned char number;
+ char active; /* someone has this device open */
+
+ unsigned char *interrupt_in_buffer;
+ struct urb *interrupt_in_urb;
+ __u8 interrupt_in_endpointAddress;
+
+ unsigned char *bulk_in_buffer;
+ unsigned char *xfer_to_tty_buffer;
+ struct urb *read_urb;
+ __u8 bulk_in_endpointAddress;
+
+ unsigned char *bulk_out_buffer;
+ int bulk_out_size;
+ struct urb *write_urb;
+ __u8 bulk_out_endpointAddress;
+
+ wait_queue_head_t write_wait;
+ wait_queue_head_t wait;
+ struct work_struct work;
+
+ int open_count; /* number of times this port has been opened */
+ struct semaphore sem; /* locks this structure */
+
+ __u8 shadowLCR; /* last LCR value received */
+ __u8 shadowMCR; /* last MCR value received */
+ __u8 shadowMSR; /* last MSR value received */
+ __u8 shadowLSR; /* last LSR value received */
+ int RxHolding;
+ char closePending;
+ int ReadBulkStopped;
+
+ void *private; /* data private to the specific port */
};
struct identity {
- int index;
- int n_identity;
+ int index;
+ int n_identity;
};
struct usb_serial {
- struct usb_device * dev;
- struct usb_interface * interface; /* the interface for this device */
- struct tty_driver * tty_driver; /* the tty_driver for this device */
- unsigned char minor; /* the starting minor number for this device */
- unsigned char num_ports; /* the number of ports this device has */
- char num_interrupt_in; /* number of interrupt in endpoints we have */
- char num_bulk_in; /* number of bulk in endpoints we have */
- char num_bulk_out; /* number of bulk out endpoints we have */
- unsigned char num_OpenCount; /* the number of ports this device has */
-
-
- __u16 vendor; /* vendor id of this device */
- __u16 product; /* product id of this device */
- struct usb_serial_port port[MAX_NUM_PORTS];
-
- void * private; /* data private to the specific driver */
+ struct usb_device *dev;
+ struct usb_interface *interface; /* the interface for this device */
+ struct tty_driver *tty_driver; /* the tty_driver for this device */
+ unsigned char minor; /* the starting minor number for this device */
+ unsigned char num_ports; /* the number of ports this device has */
+ char num_interrupt_in; /* number of interrupt in endpoints we have */
+ char num_bulk_in; /* number of bulk in endpoints we have */
+ char num_bulk_out; /* number of bulk out endpoints we have */
+ unsigned char num_OpenCount; /* the number of ports this device has */
+
+ __u16 vendor; /* vendor id of this device */
+ __u16 product; /* product id of this device */
+ struct usb_serial_port port[MAX_NUM_PORTS];
+
+ void *private; /* data private to the specific driver */
};
-
-
-static inline int port_paranoia_check (struct usb_serial_port *port, const char *function)
+static inline int port_paranoia_check(struct usb_serial_port *port,
+ const char *function)
{
if (!port) {
dbg("%s - port == NULL", function);
return 0;
}
-
/* Inline functions to check the sanity of a pointer that is passed to us */
-static inline int serial_paranoia_check (struct usb_serial *serial, const char *function)
+static inline int serial_paranoia_check(struct usb_serial *serial,
+ const char *function)
{
if (!serial) {
dbg("%s - serial == NULL\n", function);
return 0;
}
-
-static inline struct usb_serial* get_usb_serial (struct usb_serial_port *port, const char *function)
+static inline struct usb_serial *get_usb_serial(struct usb_serial_port *port,
+ const char *function)
{
/* if no port was specified, or it fails a paranoia check */
if (!port ||
- port_paranoia_check (port, function) ||
- serial_paranoia_check (port->serial, function)) {
+ port_paranoia_check(port, function) ||
+ serial_paranoia_check(port->serial, function)) {
/* then say that we dont have a valid usb_serial thing, which will
* end up genrating -ENODEV return values */
return NULL;
return port->serial;
}
-
-struct qt_get_device_data
-{
+struct qt_get_device_data {
__u8 porta;
__u8 portb;
__u8 portc;
};
-struct qt_open_channel_data
-{
+struct qt_open_channel_data {
__u8 line_status;
__u8 modem_status;
};
-static void ProcessLineStatus(struct usb_serial_port *port, unsigned char line_status);
-static void ProcessModemStatus(struct usb_serial_port *port, unsigned char modem_status);
+static void ProcessLineStatus(struct usb_serial_port *port,
+ unsigned char line_status);
+static void ProcessModemStatus(struct usb_serial_port *port,
+ unsigned char modem_status);
static void ProcessRxChar(struct usb_serial_port *port, unsigned char Data);
-static struct usb_serial *get_free_serial (int num_ports, int *minor);
-
+static struct usb_serial *get_free_serial(int num_ports, int *minor);
static int serqt_probe(struct usb_interface *interface,
- const struct usb_device_id *id);
-
+ const struct usb_device_id *id);
static void serqt_usb_disconnect(struct usb_interface *interface);
-static int box_set_device(struct usb_serial *serial, struct qt_get_device_data *pDeviceData);
-static int box_get_device(struct usb_serial *serial, struct qt_get_device_data *pDeviceData);
-static int serial_open (struct tty_struct *tty, struct file * filp);
-static void serial_close(struct tty_struct *tty, struct file * filp);
-static int serial_write_room (struct tty_struct *tty);
-static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
-static void serial_set_termios (struct tty_struct *tty, struct ktermios * old);
-static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count);
-
-static void serial_throttle (struct tty_struct * tty);
-static void serial_unthrottle (struct tty_struct * tty);
-static int serial_break (struct tty_struct *tty, int break_state);
-static int serial_chars_in_buffer (struct tty_struct *tty);
-static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data);
-
-static int qt_open (struct usb_serial_port *port, struct file *filp);
+static int box_set_device(struct usb_serial *serial,
+ struct qt_get_device_data *pDeviceData);
+static int box_get_device(struct usb_serial *serial,
+ struct qt_get_device_data *pDeviceData);
+static int serial_open(struct tty_struct *tty, struct file *filp);
+static void serial_close(struct tty_struct *tty, struct file *filp);
+static int serial_write_room(struct tty_struct *tty);
+static int serial_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg);
+static void serial_set_termios(struct tty_struct *tty, struct ktermios *old);
+static int serial_write(struct tty_struct *tty, const unsigned char *buf,
+ int count);
+
+static void serial_throttle(struct tty_struct *tty);
+static void serial_unthrottle(struct tty_struct *tty);
+static int serial_break(struct tty_struct *tty, int break_state);
+static int serial_chars_in_buffer(struct tty_struct *tty);
+static int serial_read_proc(char *page, char **start, off_t off, int count,
+ int *eof, void *data);
+
+static int qt_open(struct usb_serial_port *port, struct file *filp);
static int BoxSetPrebufferLevel(struct usb_serial *serial);
static int BoxSetATC(struct usb_serial *serial, __u16 n_Mode);
-static int BoxSetUart(struct usb_serial *serial, unsigned short Uart_Number, unsigned short default_divisor, unsigned char default_LCR );
-
-
-static int BoxOPenCloseChannel(struct usb_serial *serial, __u16 Uart_Number, __u16 OpenClose, struct qt_open_channel_data *pDeviceData);
-static void qt_close (struct usb_serial_port *port, struct file * filp);
-static int BoxGetRegister(struct usb_serial *serial, unsigned short Uart_Number,unsigned short Register_Num, __u8 *pValue);
-static int BoxSetRegister(struct usb_serial *serial, unsigned short Uart_Number, unsigned short Register_Num, unsigned short Value );
+static int BoxSetUart(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short default_divisor,
+ unsigned char default_LCR);
+
+static int BoxOPenCloseChannel(struct usb_serial *serial, __u16 Uart_Number,
+ __u16 OpenClose,
+ struct qt_open_channel_data *pDeviceData);
+static void qt_close(struct usb_serial_port *port, struct file *filp);
+static int BoxGetRegister(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short Register_Num, __u8 * pValue);
+static int BoxSetRegister(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short Register_Num, unsigned short Value);
static void qt_write_bulk_callback(struct urb *urb);
-static int qt_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count);
+static int qt_write(struct usb_serial_port *port, int from_user,
+ const unsigned char *buf, int count);
static void port_softint(struct work_struct *work);
-static int qt_write_room (struct usb_serial_port *port);
-static int qt_chars_in_buffer (struct usb_serial_port *port);
-static int qt_ioctl(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
-static void qt_set_termios(struct usb_serial_port *port, struct ktermios *old_termios);
-static int BoxSetHW_FlowCtrl(struct usb_serial *serial, unsigned int UartNumber, int bSet);
+static int qt_write_room(struct usb_serial_port *port);
+static int qt_chars_in_buffer(struct usb_serial_port *port);
+static int qt_ioctl(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg);
+static void qt_set_termios(struct usb_serial_port *port,
+ struct ktermios *old_termios);
+static int BoxSetHW_FlowCtrl(struct usb_serial *serial, unsigned int UartNumber,
+ int bSet);
static int BoxDisable_SW_FlowCtrl(struct usb_serial *serial, __u16 UartNumber);
static int EmulateWriteQMCR_Reg(int index, unsigned uc_value);
static int EmulateReadQMCR_Reg(int index, unsigned *uc_value);
static struct usb_serial *find_the_box(unsigned int index);
-int ioctl_serial_usb (struct inode *innod, struct file *filp, unsigned int cmd, unsigned long arg);
+int ioctl_serial_usb(struct inode *innod, struct file *filp, unsigned int cmd,
+ unsigned long arg);
-
-static int BoxSetSW_FlowCtrl(struct usb_serial *serial, __u16 Uart, unsigned char stop_char, unsigned char start_char);
+static int BoxSetSW_FlowCtrl(struct usb_serial *serial, __u16 Uart,
+ unsigned char stop_char, unsigned char start_char);
static void qt_read_bulk_callback(struct urb *urb);
static void port_sofrint(void *private);
static void return_serial(struct usb_serial *serial);
-
-static int serial_tiocmset (struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear);
+static int serial_tiocmset(struct tty_struct *tty, struct file *file,
+ unsigned int set, unsigned int clear);
static int serial_tiocmget(struct tty_struct *tty, struct file *file);
+static int qt_tiocmset(struct usb_serial_port *port, struct file *file,
+ unsigned int value);
-
-static int qt_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int value);
-
-static int qt_tiocmget(struct usb_serial_port *port, struct file * file);
-
-
+static int qt_tiocmget(struct usb_serial_port *port, struct file *file);
/* Version Information */
#define DRIVER_VERSION "v2.14"
#define DEVICE_ID_QUATECH_RS422_16_PORT_C 0xC0B2 //HSU200C
#define DEVICE_ID_QUATECH_RS422_16_PORT_D 0xC0B3 //HSU200D
-
/* table of Quatech devices */
-static struct usb_device_id serqt_table [] = {
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_SINGLE_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_SINGLE_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_DUAL_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_DUAL_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_FOUR_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_FOUR_PORT)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_EIGHT_PORT_A)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_EIGHT_PORT_B)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_EIGHT_PORT_A)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_EIGHT_PORT_B)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_A)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_B)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_C)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_D)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_A)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_B)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_C)},
- { USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_D)},
- {} /* Terminating entry */
+static struct usb_device_id serqt_table[] = {
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_SINGLE_PORT)},
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_SINGLE_PORT)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_DUAL_PORT)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_DUAL_PORT)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_FOUR_PORT)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_FOUR_PORT)},
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_EIGHT_PORT_A)},
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_EIGHT_PORT_B)},
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_EIGHT_PORT_A)},
+ {USB_DEVICE
+ (USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_EIGHT_PORT_B)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_A)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_B)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_C)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS232_16_PORT_D)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_A)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_B)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_C)},
+ {USB_DEVICE(USB_VENDOR_ID_QUATECH, DEVICE_ID_QUATECH_RS422_16_PORT_D)},
+ {} /* Terminating entry */
};
+
MODULE_DEVICE_TABLE(usb, serqt_table);
static int major_number;
-static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
-
+static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
/* table of Quatech 422devices */
static unsigned int serqt_422_table[] = {
DEVICE_ID_QUATECH_RS422_16_PORT_B,
DEVICE_ID_QUATECH_RS422_16_PORT_C,
DEVICE_ID_QUATECH_RS422_16_PORT_D,
- 0 /* terminate with zero */
+ 0 /* terminate with zero */
};
-
-
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver serqt_usb_driver = {
- .name = "quatech-usb-serial",
- .probe = serqt_probe,
- .disconnect = serqt_usb_disconnect,
- .id_table = serqt_table,
+ .name = "quatech-usb-serial",
+ .probe = serqt_probe,
+ .disconnect = serqt_usb_disconnect,
+ .id_table = serqt_table,
};
static struct ktermios *serial_termios[SERIAL_TTY_MINORS];
static struct ktermios *serial_termios_locked[SERIAL_TTY_MINORS];
static const struct tty_operations serial_ops = {
- .open = serial_open,
- .close = serial_close,
- .write = serial_write,
- .write_room = serial_write_room,
- .ioctl = serial_ioctl,
- .set_termios = serial_set_termios,
- .throttle = serial_throttle,
- .unthrottle = serial_unthrottle,
- .break_ctl = serial_break,
- .chars_in_buffer = serial_chars_in_buffer,
- .read_proc = serial_read_proc,
- .tiocmset = serial_tiocmset,
- .tiocmget = serial_tiocmget,
+ .open = serial_open,
+ .close = serial_close,
+ .write = serial_write,
+ .write_room = serial_write_room,
+ .ioctl = serial_ioctl,
+ .set_termios = serial_set_termios,
+ .throttle = serial_throttle,
+ .unthrottle = serial_unthrottle,
+ .break_ctl = serial_break,
+ .chars_in_buffer = serial_chars_in_buffer,
+ .read_proc = serial_read_proc,
+ .tiocmset = serial_tiocmset,
+ .tiocmget = serial_tiocmget,
};
static struct tty_driver serial_tty_driver = {
- .magic = TTY_DRIVER_MAGIC,
- .driver_name = "Quatech usb-serial",
- .name = "ttyQT_USB",
- .major = SERIAL_TTY_MAJOR,
- .minor_start = 0,
- .num = SERIAL_TTY_MINORS,
- .type = TTY_DRIVER_TYPE_SERIAL,
- .subtype = SERIAL_TYPE_NORMAL,
- .flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV,
-
- .termios = serial_termios,
- .termios_locked = serial_termios_locked,
- .init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL,
-
- .init_termios.c_iflag = ICRNL | IXON,
- .init_termios.c_oflag = OPOST,
-
- .init_termios.c_lflag= ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN,
+ .magic = TTY_DRIVER_MAGIC,
+ .driver_name = "Quatech usb-serial",
+ .name = "ttyQT_USB",
+ .major = SERIAL_TTY_MAJOR,
+ .minor_start = 0,
+ .num = SERIAL_TTY_MINORS,
+ .type = TTY_DRIVER_TYPE_SERIAL,
+ .subtype = SERIAL_TYPE_NORMAL,
+ .flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV,
+
+ .termios = serial_termios,
+ .termios_locked = serial_termios_locked,
+ .init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL,
+
+ .init_termios.c_iflag = ICRNL | IXON,
+ .init_termios.c_oflag = OPOST,
+
+ .init_termios.c_lflag =
+ ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN,
};
//fops for parent device
static struct file_operations serialqt_usb_fops = {
- .ioctl = ioctl_serial_usb,
+ .ioctl = ioctl_serial_usb,
};
-
/**
* serqt_probe
*
*
*/
static int serqt_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
+ const struct usb_device_id *id)
{
- struct usb_device *dev = interface_to_usbdev(interface);
- struct usb_serial *serial = NULL;
- struct usb_serial_port *port;
- struct usb_endpoint_descriptor *endpoint;
- struct usb_endpoint_descriptor *interrupt_in_endpoint[MAX_NUM_PORTS];
- struct usb_endpoint_descriptor *bulk_in_endpoint[MAX_NUM_PORTS];
- struct usb_endpoint_descriptor *bulk_out_endpoint[MAX_NUM_PORTS];
- int minor;
- int buffer_size;
- int i;
- struct usb_host_interface *iface_desc;
- int num_interrupt_in = 0;
- int num_bulk_in = 0;
- int num_bulk_out = 0;
- int num_ports;
- struct qt_get_device_data DeviceData;
- int status;
+ struct usb_device *dev = interface_to_usbdev(interface);
+ struct usb_serial *serial = NULL;
+ struct usb_serial_port *port;
+ struct usb_endpoint_descriptor *endpoint;
+ struct usb_endpoint_descriptor *interrupt_in_endpoint[MAX_NUM_PORTS];
+ struct usb_endpoint_descriptor *bulk_in_endpoint[MAX_NUM_PORTS];
+ struct usb_endpoint_descriptor *bulk_out_endpoint[MAX_NUM_PORTS];
+ int minor;
+ int buffer_size;
+ int i;
+ struct usb_host_interface *iface_desc;
+ int num_interrupt_in = 0;
+ int num_bulk_in = 0;
+ int num_bulk_out = 0;
+ int num_ports;
+ struct qt_get_device_data DeviceData;
+ int status;
mydbg("In %s\n", __FUNCTION__);
- /* let's find the endpoints needed */
- /* check out the endpoints */
- iface_desc = interface->cur_altsetting;;
- for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i)
- {
- endpoint = &iface_desc->endpoint[i].desc;
-
- if ((endpoint->bEndpointAddress & 0x80) &&
- ((endpoint->bmAttributes & 3) == 0x02))
- {
- /* we found a bulk in endpoint */
- mydbg("found bulk in");
- bulk_in_endpoint[num_bulk_in] = endpoint;
- ++num_bulk_in;
- }
-
- if (((endpoint->bEndpointAddress & 0x80) == 0x00) &&
- ((endpoint->bmAttributes & 3) == 0x02))
- {
- /* we found a bulk out endpoint */
- mydbg("found bulk out\n");
- bulk_out_endpoint[num_bulk_out] = endpoint;
- ++num_bulk_out;
- }
-
- if ((endpoint->bEndpointAddress & 0x80) &&
- ((endpoint->bmAttributes & 3) == 0x03))
- {
- /* we found a interrupt in endpoint */
- mydbg("found interrupt in\n");
- interrupt_in_endpoint[num_interrupt_in] = endpoint;
- ++num_interrupt_in;
- }
- }
-
- /* found all that we need */
- dev_info(&interface->dev, "Quatech converter detected\n");
- num_ports = num_bulk_out;
- if (num_ports == 0)
- {
- err("Quatech device with no bulk out, not allowed.");
- return -ENODEV;
-
- }
-
- serial = get_free_serial (num_ports, &minor);
- if (serial == NULL)
- {
- err("No more free serial devices");
- return -ENODEV;
- }
-
- serial->dev = dev;
- serial->interface = interface;
- serial->minor = minor;
- serial->num_ports = num_ports;
- serial->num_bulk_in = num_bulk_in;
- serial->num_bulk_out = num_bulk_out;
- serial->num_interrupt_in = num_interrupt_in;
- serial->vendor = dev->descriptor.idVendor;
- serial->product = dev->descriptor.idProduct;
-
-
- /* set up the endpoint information */
- for (i = 0; i < num_bulk_in; ++i)
- {
- endpoint = bulk_in_endpoint[i];
- port = &serial->port[i];
- port->read_urb = usb_alloc_urb (0, GFP_KERNEL);
- if (!port->read_urb)
- {
- err("No free urbs available");
- goto probe_error;
- }
- buffer_size = endpoint->wMaxPacketSize;
- port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
- port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
- port->xfer_to_tty_buffer = kmalloc (buffer_size, GFP_KERNEL);
- if (!port->bulk_in_buffer)
- {
- err("Couldn't allocate bulk_in_buffer");
- goto probe_error;
- }
- usb_fill_bulk_urb (port->read_urb, dev,
- usb_rcvbulkpipe (dev,
- endpoint->bEndpointAddress),
- port->bulk_in_buffer, buffer_size,
- qt_read_bulk_callback,
- port);
- }
-
- for (i = 0; i < num_bulk_out; ++i)
- {
- endpoint = bulk_out_endpoint[i];
- port = &serial->port[i];
- port->write_urb = usb_alloc_urb (0, GFP_KERNEL);
- if (!port->write_urb)
- {
- err("No free urbs available");
- goto probe_error;
- }
- buffer_size = endpoint->wMaxPacketSize;
- port->bulk_out_size = buffer_size;
- port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
- port->bulk_out_buffer = kmalloc (buffer_size, GFP_KERNEL);
- if (!port->bulk_out_buffer)
- {
- err("Couldn't allocate bulk_out_buffer");
- goto probe_error;
- }
- usb_fill_bulk_urb (port->write_urb, dev,
- usb_sndbulkpipe (dev,
- endpoint->bEndpointAddress),
- port->bulk_out_buffer, buffer_size,
- qt_write_bulk_callback,
- port);
-
-
- }
-
- //For us numb of bulkin or out = number of ports
-
- mydbg("%s - setting up %d port structures for this device\n", __FUNCTION__, num_bulk_in);
- for (i = 0; i < num_bulk_in; ++i)
- {
- port = &serial->port[i];
- port->number = i + serial->minor;
- port->serial = serial;
-
- INIT_WORK(&port->work, port_softint);
-
- init_MUTEX (&port->sem);
-
-
-
- }
- status = box_get_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_get_device failed");
- goto probe_error;
- }
-
- mydbg(__FILE__"DeviceData.portb = 0x%x",DeviceData.portb);
-
- DeviceData.portb &= ~FULLPWRBIT;
- mydbg(__FILE__"Changing DeviceData.portb to 0x%x",DeviceData.portb);
-
- status = box_set_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_set_device failed\n");
- goto probe_error;
- }
-
-
-
- /* initialize the devfs nodes for this device and let the user know what ports we are bound to */
- for (i = 0; i < serial->num_ports; ++i)
- {
- dev_info(&interface->dev, "Converter now attached to ttyUSB%d (or usb/tts/%d for devfs)",
- serial->port[i].number, serial->port[i].number);
- }
+ /* let's find the endpoints needed */
+ /* check out the endpoints */
+ iface_desc = interface->cur_altsetting;;
+ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
+ endpoint = &iface_desc->endpoint[i].desc;
+
+ if ((endpoint->bEndpointAddress & 0x80) &&
+ ((endpoint->bmAttributes & 3) == 0x02)) {
+ /* we found a bulk in endpoint */
+ mydbg("found bulk in");
+ bulk_in_endpoint[num_bulk_in] = endpoint;
+ ++num_bulk_in;
+ }
+
+ if (((endpoint->bEndpointAddress & 0x80) == 0x00) &&
+ ((endpoint->bmAttributes & 3) == 0x02)) {
+ /* we found a bulk out endpoint */
+ mydbg("found bulk out\n");
+ bulk_out_endpoint[num_bulk_out] = endpoint;
+ ++num_bulk_out;
+ }
+
+ if ((endpoint->bEndpointAddress & 0x80) &&
+ ((endpoint->bmAttributes & 3) == 0x03)) {
+ /* we found a interrupt in endpoint */
+ mydbg("found interrupt in\n");
+ interrupt_in_endpoint[num_interrupt_in] = endpoint;
+ ++num_interrupt_in;
+ }
+ }
+
+ /* found all that we need */
+ dev_info(&interface->dev, "Quatech converter detected\n");
+ num_ports = num_bulk_out;
+ if (num_ports == 0) {
+ err("Quatech device with no bulk out, not allowed.");
+ return -ENODEV;
+
+ }
+
+ serial = get_free_serial(num_ports, &minor);
+ if (serial == NULL) {
+ err("No more free serial devices");
+ return -ENODEV;
+ }
+
+ serial->dev = dev;
+ serial->interface = interface;
+ serial->minor = minor;
+ serial->num_ports = num_ports;
+ serial->num_bulk_in = num_bulk_in;
+ serial->num_bulk_out = num_bulk_out;
+ serial->num_interrupt_in = num_interrupt_in;
+ serial->vendor = dev->descriptor.idVendor;
+ serial->product = dev->descriptor.idProduct;
+
+ /* set up the endpoint information */
+ for (i = 0; i < num_bulk_in; ++i) {
+ endpoint = bulk_in_endpoint[i];
+ port = &serial->port[i];
+ port->read_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!port->read_urb) {
+ err("No free urbs available");
+ goto probe_error;
+ }
+ buffer_size = endpoint->wMaxPacketSize;
+ port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
+ port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
+ port->xfer_to_tty_buffer = kmalloc(buffer_size, GFP_KERNEL);
+ if (!port->bulk_in_buffer) {
+ err("Couldn't allocate bulk_in_buffer");
+ goto probe_error;
+ }
+ usb_fill_bulk_urb(port->read_urb, dev,
+ usb_rcvbulkpipe(dev,
+ endpoint->bEndpointAddress),
+ port->bulk_in_buffer, buffer_size,
+ qt_read_bulk_callback, port);
+ }
+
+ for (i = 0; i < num_bulk_out; ++i) {
+ endpoint = bulk_out_endpoint[i];
+ port = &serial->port[i];
+ port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!port->write_urb) {
+ err("No free urbs available");
+ goto probe_error;
+ }
+ buffer_size = endpoint->wMaxPacketSize;
+ port->bulk_out_size = buffer_size;
+ port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
+ port->bulk_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
+ if (!port->bulk_out_buffer) {
+ err("Couldn't allocate bulk_out_buffer");
+ goto probe_error;
+ }
+ usb_fill_bulk_urb(port->write_urb, dev,
+ usb_sndbulkpipe(dev,
+ endpoint->bEndpointAddress),
+ port->bulk_out_buffer, buffer_size,
+ qt_write_bulk_callback, port);
+
+ }
+
+ //For us numb of bulkin or out = number of ports
+
+ mydbg("%s - setting up %d port structures for this device\n",
+ __FUNCTION__, num_bulk_in);
+ for (i = 0; i < num_bulk_in; ++i) {
+ port = &serial->port[i];
+ port->number = i + serial->minor;
+ port->serial = serial;
+
+ INIT_WORK(&port->work, port_softint);
+
+ init_MUTEX(&port->sem);
+
+ }
+ status = box_get_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_get_device failed");
+ goto probe_error;
+ }
+
+ mydbg(__FILE__ "DeviceData.portb = 0x%x", DeviceData.portb);
+
+ DeviceData.portb &= ~FULLPWRBIT;
+ mydbg(__FILE__ "Changing DeviceData.portb to 0x%x", DeviceData.portb);
+
+ status = box_set_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_set_device failed\n");
+ goto probe_error;
+ }
+
+ /* initialize the devfs nodes for this device and let the user know what ports we are bound to */
+ for (i = 0; i < serial->num_ports; ++i) {
+ dev_info(&interface->dev,
+ "Converter now attached to ttyUSB%d (or usb/tts/%d for devfs)",
+ serial->port[i].number, serial->port[i].number);
+ }
//usb_serial_console_init (debug, minor);
- ///***********TAG add start next board here ****///
- status = box_get_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_get_device failed");
- goto probe_error;
- }
-
- //*****************and before we power up lets initialiaze parnent device stuff here before
- //*****************we set thmem via any other method such as the property pages
- switch (serial->product)
- {
- case DEVICE_ID_QUATECH_RS232_SINGLE_PORT:
- case DEVICE_ID_QUATECH_RS232_DUAL_PORT:
- case DEVICE_ID_QUATECH_RS232_FOUR_PORT:
- case DEVICE_ID_QUATECH_RS232_EIGHT_PORT_A:
- case DEVICE_ID_QUATECH_RS232_EIGHT_PORT_B:
- case DEVICE_ID_QUATECH_RS232_16_PORT_A:
- case DEVICE_ID_QUATECH_RS232_16_PORT_B:
- case DEVICE_ID_QUATECH_RS232_16_PORT_C:
- case DEVICE_ID_QUATECH_RS232_16_PORT_D:
- DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
- DeviceData.porta |= CLKS_X4;
- DeviceData.portb &= ~(LOOPMODE_BITS);
- DeviceData.portb |= RS232_MODE;
- break;
-
-
- case DEVICE_ID_QUATECH_RS422_SINGLE_PORT:
- case DEVICE_ID_QUATECH_RS422_DUAL_PORT:
- case DEVICE_ID_QUATECH_RS422_FOUR_PORT:
- case DEVICE_ID_QUATECH_RS422_EIGHT_PORT_A:
- case DEVICE_ID_QUATECH_RS422_EIGHT_PORT_B:
- case DEVICE_ID_QUATECH_RS422_16_PORT_A:
- case DEVICE_ID_QUATECH_RS422_16_PORT_B:
- case DEVICE_ID_QUATECH_RS422_16_PORT_C:
- case DEVICE_ID_QUATECH_RS422_16_PORT_D:
- DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
- DeviceData.porta |= CLKS_X4;
- DeviceData.portb &= ~(LOOPMODE_BITS);
- DeviceData.portb |= ALL_LOOPBACK;
- break;
- default:
- DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
- DeviceData.porta |= CLKS_X4;
- DeviceData.portb &= ~(LOOPMODE_BITS);
- DeviceData.portb |= RS232_MODE;
- break;
-
- }
- status = BoxSetPrebufferLevel(serial); //sets to default vaue
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetPrebufferLevel failed\n");
- goto probe_error;
- }
-
- status = BoxSetATC(serial, ATC_DISABLED);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetATC failed\n");
- goto probe_error;
- }
- //****************************************************************************
- mydbg(__FILE__"DeviceData.portb = 0x%x",DeviceData.portb);
-
- DeviceData.portb |= NEXT_BOARD_POWER_BIT;
- mydbg(__FILE__"Changing DeviceData.portb to 0x%x",DeviceData.portb);
-
- status = box_set_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_set_device failed\n");
- goto probe_error;
- }
-
-
- mydbg("Exit Success %s\n", __FUNCTION__);
-
- usb_set_intfdata (interface, serial);
- return 0;
+ ///***********TAG add start next board here ****///
+ status = box_get_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_get_device failed");
+ goto probe_error;
+ }
+ //*****************and before we power up lets initialiaze parnent device stuff here before
+ //*****************we set thmem via any other method such as the property pages
+ switch (serial->product) {
+ case DEVICE_ID_QUATECH_RS232_SINGLE_PORT:
+ case DEVICE_ID_QUATECH_RS232_DUAL_PORT:
+ case DEVICE_ID_QUATECH_RS232_FOUR_PORT:
+ case DEVICE_ID_QUATECH_RS232_EIGHT_PORT_A:
+ case DEVICE_ID_QUATECH_RS232_EIGHT_PORT_B:
+ case DEVICE_ID_QUATECH_RS232_16_PORT_A:
+ case DEVICE_ID_QUATECH_RS232_16_PORT_B:
+ case DEVICE_ID_QUATECH_RS232_16_PORT_C:
+ case DEVICE_ID_QUATECH_RS232_16_PORT_D:
+ DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
+ DeviceData.porta |= CLKS_X4;
+ DeviceData.portb &= ~(LOOPMODE_BITS);
+ DeviceData.portb |= RS232_MODE;
+ break;
+
+ case DEVICE_ID_QUATECH_RS422_SINGLE_PORT:
+ case DEVICE_ID_QUATECH_RS422_DUAL_PORT:
+ case DEVICE_ID_QUATECH_RS422_FOUR_PORT:
+ case DEVICE_ID_QUATECH_RS422_EIGHT_PORT_A:
+ case DEVICE_ID_QUATECH_RS422_EIGHT_PORT_B:
+ case DEVICE_ID_QUATECH_RS422_16_PORT_A:
+ case DEVICE_ID_QUATECH_RS422_16_PORT_B:
+ case DEVICE_ID_QUATECH_RS422_16_PORT_C:
+ case DEVICE_ID_QUATECH_RS422_16_PORT_D:
+ DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
+ DeviceData.porta |= CLKS_X4;
+ DeviceData.portb &= ~(LOOPMODE_BITS);
+ DeviceData.portb |= ALL_LOOPBACK;
+ break;
+ default:
+ DeviceData.porta &= ~(RR_BITS | DUPMODE_BITS);
+ DeviceData.porta |= CLKS_X4;
+ DeviceData.portb &= ~(LOOPMODE_BITS);
+ DeviceData.portb |= RS232_MODE;
+ break;
+ }
+ status = BoxSetPrebufferLevel(serial); //sets to default vaue
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetPrebufferLevel failed\n");
+ goto probe_error;
+ }
+ status = BoxSetATC(serial, ATC_DISABLED);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetATC failed\n");
+ goto probe_error;
+ }
+ //****************************************************************************
+ mydbg(__FILE__ "DeviceData.portb = 0x%x", DeviceData.portb);
- probe_error:
-
- for (i = 0; i < num_bulk_in; ++i)
- {
- port = &serial->port[i];
- if (port->read_urb)
- usb_free_urb (port->read_urb);
- if (port->bulk_in_buffer)
- kfree (port->bulk_in_buffer);
- }
- for (i = 0; i < num_bulk_out; ++i)
- {
- port = &serial->port[i];
- if (port->write_urb)
- usb_free_urb (port->write_urb);
- if (port->bulk_out_buffer)
- kfree (port->bulk_out_buffer);
-
- if (port->xfer_to_tty_buffer)
- kfree (port->xfer_to_tty_buffer);
- }
- for (i = 0; i < num_interrupt_in; ++i)
- {
- port = &serial->port[i];
- if (port->interrupt_in_urb)
- usb_free_urb (port->interrupt_in_urb);
- if (port->interrupt_in_buffer)
- kfree (port->interrupt_in_buffer);
- }
-
-
- /* return the minor range that this device had */
- return_serial (serial);
- mydbg("Exit fail %s\n", __FUNCTION__);
-
- /* free up any memory that we allocated */
- kfree (serial);
- return -EIO;
-}
+ DeviceData.portb |= NEXT_BOARD_POWER_BIT;
+ mydbg(__FILE__ "Changing DeviceData.portb to 0x%x", DeviceData.portb);
+
+ status = box_set_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_set_device failed\n");
+ goto probe_error;
+ }
+ mydbg("Exit Success %s\n", __FUNCTION__);
+ usb_set_intfdata(interface, serial);
+ return 0;
+probe_error:
+
+ for (i = 0; i < num_bulk_in; ++i) {
+ port = &serial->port[i];
+ if (port->read_urb)
+ usb_free_urb(port->read_urb);
+ if (port->bulk_in_buffer)
+ kfree(port->bulk_in_buffer);
+ }
+ for (i = 0; i < num_bulk_out; ++i) {
+ port = &serial->port[i];
+ if (port->write_urb)
+ usb_free_urb(port->write_urb);
+ if (port->bulk_out_buffer)
+ kfree(port->bulk_out_buffer);
+
+ if (port->xfer_to_tty_buffer)
+ kfree(port->xfer_to_tty_buffer);
+ }
+ for (i = 0; i < num_interrupt_in; ++i) {
+ port = &serial->port[i];
+ if (port->interrupt_in_urb)
+ usb_free_urb(port->interrupt_in_urb);
+ if (port->interrupt_in_buffer)
+ kfree(port->interrupt_in_buffer);
+ }
+ /* return the minor range that this device had */
+ return_serial(serial);
+ mydbg("Exit fail %s\n", __FUNCTION__);
+ /* free up any memory that we allocated */
+ kfree(serial);
+ return -EIO;
+}
//returns the serial_table array pointers that are taken
//up in consecutive positions for each port to a common usb_serial structure
//back to NULL
static void return_serial(struct usb_serial *serial)
{
- int i;
+ int i;
- mydbg("%s\n", __FUNCTION__);
+ mydbg("%s\n", __FUNCTION__);
- if (serial == NULL)
- return;
+ if (serial == NULL)
+ return;
- for (i = 0; i < serial->num_ports; ++i)
- {
- serial_table[serial->minor + i] = NULL;
- }
+ for (i = 0; i < serial->num_ports; ++i) {
+ serial_table[serial->minor + i] = NULL;
+ }
- return;
+ return;
}
//Finds the first locatio int the serial_table array where it can fit
//,allocates a stucture points to it in all the structures, and returns the index
//to the first location in the array in the "minor" variable.
-static struct usb_serial *get_free_serial (int num_ports, int *minor)
+static struct usb_serial *get_free_serial(int num_ports, int *minor)
{
- struct usb_serial *serial = NULL;
- int i, j;
- int good_spot;
-
- mydbg("%s %d\n", __FUNCTION__, num_ports);
-
- *minor = 0;
- for (i = 0; i < SERIAL_TTY_MINORS; ++i)
- {
- if (serial_table[i])
- continue;
-
- good_spot = 1;
- //find a spot in the array where you can fit consecutive positions
- //to put the pointers to the usb_serail allocated structure for all
- //the minor numbers (ie. ports)
- for (j = 1; j <= num_ports-1; ++j)
- if (serial_table[i+j])
- good_spot = 0;
- if (good_spot == 0)
- continue;
-
- if (!(serial = kmalloc(sizeof(struct usb_serial), GFP_KERNEL)))
- {
- err("%s - Out of memory", __FUNCTION__);
- return NULL;
- }
- memset(serial, 0, sizeof(struct usb_serial));
- serial_table[i] = serial;
- *minor = i;
- mydbg("%s - minor base = %d\n", __FUNCTION__, *minor);
- //copy in the pointer into the array starting a the *minor position
- //*minor is the index into the array
- for (i = *minor+1; (i < (*minor + num_ports)) && (i < SERIAL_TTY_MINORS); ++i)
- serial_table[i] = serial;
- return serial;
- }
- return NULL;
+ struct usb_serial *serial = NULL;
+ int i, j;
+ int good_spot;
+
+ mydbg("%s %d\n", __FUNCTION__, num_ports);
+
+ *minor = 0;
+ for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
+ if (serial_table[i])
+ continue;
+
+ good_spot = 1;
+ //find a spot in the array where you can fit consecutive positions
+ //to put the pointers to the usb_serail allocated structure for all
+ //the minor numbers (ie. ports)
+ for (j = 1; j <= num_ports - 1; ++j)
+ if (serial_table[i + j])
+ good_spot = 0;
+ if (good_spot == 0)
+ continue;
+
+ if (!(serial = kmalloc(sizeof(struct usb_serial), GFP_KERNEL))) {
+ err("%s - Out of memory", __FUNCTION__);
+ return NULL;
+ }
+ memset(serial, 0, sizeof(struct usb_serial));
+ serial_table[i] = serial;
+ *minor = i;
+ mydbg("%s - minor base = %d\n", __FUNCTION__, *minor);
+ //copy in the pointer into the array starting a the *minor position
+ //*minor is the index into the array
+ for (i = *minor + 1;
+ (i < (*minor + num_ports)) && (i < SERIAL_TTY_MINORS); ++i)
+ serial_table[i] = serial;
+ return serial;
+ }
+ return NULL;
}
-static int flip_that( struct tty_struct *tty, __u16 UartNumber, struct usb_serial *serial)
+static int flip_that(struct tty_struct *tty, __u16 UartNumber,
+ struct usb_serial *serial)
{
- tty_flip_buffer_push(tty);
- tty_schedule_flip(tty);
- return 0;
+ tty_flip_buffer_push(tty);
+ tty_schedule_flip(tty);
+ return 0;
}
//Handles processing and moving data to the tty layer
static void port_sofrint(void *private)
{
- struct usb_serial_port *port = (struct usb_serial_port *)private;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- struct tty_struct *tty = port->tty;
- unsigned char *data = port->read_urb->transfer_buffer;
- unsigned int UartNumber;
- struct urb *urb = port->read_urb;
- unsigned int RxCount = urb->actual_length;
- int i, result;
- int flag, flag_data;
-
- //UartNumber = MINOR(port->tty->device) - serial->minor;
- UartNumber = tty->index - serial->minor;
-
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
- mydbg ("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
-
- if (port_paranoia_check (port, __FUNCTION__) != 0) {
- mydbg("%s - port_paranoia_check, exiting\n", __FUNCTION__);
- port->ReadBulkStopped = 1;
- return;
- }
-
- if (!serial) {
- mydbg("%s - bad serial pointer, exiting\n", __FUNCTION__);
- return;
- }
- if (port->closePending == 1) //Were closing , stop reading
- {
- mydbg("%s - (port->closepending == 1\n", __FUNCTION__);
- port->ReadBulkStopped = 1;
- return;
- }
-
- //RxHolding is asserted by throttle, if we assert it, we're not receiving any more
- //characters and let the box handle the flow control
- if (port->RxHolding == 1) {
- port->ReadBulkStopped = 1;
- return;
- }
-
- if (urb->status) {
- port->ReadBulkStopped = 1;
-
- mydbg("%s - nonzero read bulk status received: %d\n", __FUNCTION__, urb->status);
- return;
- }
-
-
- tty = port->tty;
- mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
-
-
- if (tty && RxCount) {
- flag_data = 0;
- for (i = 0; i < RxCount ; ++i) {
- //Look ahead code here
-
- if ((i <= (RxCount - 3)) && (THISCHAR == 0x1b) && (NEXTCHAR == 0x1b)) {
- flag = 0;
- switch (THIRDCHAR) {
- case 0x00:
- //Line status change 4th byte must follow
- if (i > (RxCount - 4)) {
- mydbg("Illegal escape sequences in received data\n");
- break;
- }
- ProcessLineStatus(port, FOURTHCHAR);
- i += 3;
- flag = 1;
- break;
-
- case 0x01:
- //Modem status status change 4th byte must follow
- mydbg("Modem status status. \n");
-
- if (i > (RxCount - 4)) {
- mydbg("Illegal escape sequences in received data\n");
- break;
- }
- ProcessModemStatus(port, FOURTHCHAR);
- i += 3;
- flag = 1;
- break;
- case 0xff:
- mydbg("No status sequence. \n");
-
- ProcessRxChar(port, THISCHAR);
- ProcessRxChar(port, NEXTCHAR);
- i += 2;
- break;
-
- }//end switch
- if (flag == 1)
- continue;
- } //endif
-
- if(tty && urb->actual_length) {
- tty_buffer_request_room(tty, 1);
- tty_insert_flip_string(tty, (data + i), 1);
- }
-
+ struct usb_serial_port *port = (struct usb_serial_port *)private;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ struct tty_struct *tty = port->tty;
+ unsigned char *data = port->read_urb->transfer_buffer;
+ unsigned int UartNumber;
+ struct urb *urb = port->read_urb;
+ unsigned int RxCount = urb->actual_length;
+ int i, result;
+ int flag, flag_data;
- }//endfor
+ //UartNumber = MINOR(port->tty->device) - serial->minor;
+ UartNumber = tty->index - serial->minor;
- tty_flip_buffer_push(tty);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
- }//endif
+ if (port_paranoia_check(port, __FUNCTION__) != 0) {
+ mydbg("%s - port_paranoia_check, exiting\n", __FUNCTION__);
+ port->ReadBulkStopped = 1;
+ return;
+ }
- /* Continue trying to always read */
- usb_fill_bulk_urb (port->read_urb, serial->dev,
- usb_rcvbulkpipe (serial->dev,
- port->bulk_in_endpointAddress),
- port->read_urb->transfer_buffer,
- port->read_urb->transfer_buffer_length,
- qt_read_bulk_callback, port);
- result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
- if (result)
- mydbg("%s - failed resubmitting read urb, error %d", __FUNCTION__, result);
- else
- {
- if (tty && RxCount)
- flip_that(tty, UartNumber, serial);
- }
+ if (!serial) {
+ mydbg("%s - bad serial pointer, exiting\n", __FUNCTION__);
+ return;
+ }
+ if (port->closePending == 1) //Were closing , stop reading
+ {
+ mydbg("%s - (port->closepending == 1\n", __FUNCTION__);
+ port->ReadBulkStopped = 1;
+ return;
+ }
+ //RxHolding is asserted by throttle, if we assert it, we're not receiving any more
+ //characters and let the box handle the flow control
+ if (port->RxHolding == 1) {
+ port->ReadBulkStopped = 1;
+ return;
+ }
+ if (urb->status) {
+ port->ReadBulkStopped = 1;
- return;
+ mydbg("%s - nonzero read bulk status received: %d\n",
+ __FUNCTION__, urb->status);
+ return;
+ }
- }
+ tty = port->tty;
+ mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
+
+ if (tty && RxCount) {
+ flag_data = 0;
+ for (i = 0; i < RxCount; ++i) {
+ //Look ahead code here
+
+ if ((i <= (RxCount - 3)) && (THISCHAR == 0x1b)
+ && (NEXTCHAR == 0x1b)) {
+ flag = 0;
+ switch (THIRDCHAR) {
+ case 0x00:
+ //Line status change 4th byte must follow
+ if (i > (RxCount - 4)) {
+ mydbg
+ ("Illegal escape sequences in received data\n");
+ break;
+ }
+ ProcessLineStatus(port, FOURTHCHAR);
+ i += 3;
+ flag = 1;
+ break;
+
+ case 0x01:
+ //Modem status status change 4th byte must follow
+ mydbg("Modem status status. \n");
+
+ if (i > (RxCount - 4)) {
+ mydbg
+ ("Illegal escape sequences in received data\n");
+ break;
+ }
+ ProcessModemStatus(port, FOURTHCHAR);
+ i += 3;
+ flag = 1;
+ break;
+ case 0xff:
+ mydbg("No status sequence. \n");
+
+ ProcessRxChar(port, THISCHAR);
+ ProcessRxChar(port, NEXTCHAR);
+ i += 2;
+ break;
+
+ } //end switch
+ if (flag == 1)
+ continue;
+ } //endif
+
+ if (tty && urb->actual_length) {
+ tty_buffer_request_room(tty, 1);
+ tty_insert_flip_string(tty, (data + i), 1);
+ }
+
+ } //endfor
+
+ tty_flip_buffer_push(tty);
+
+ } //endif
+
+ /* Continue trying to always read */
+ usb_fill_bulk_urb(port->read_urb, serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ port->bulk_in_endpointAddress),
+ port->read_urb->transfer_buffer,
+ port->read_urb->transfer_buffer_length,
+ qt_read_bulk_callback, port);
+ result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+ if (result)
+ mydbg("%s - failed resubmitting read urb, error %d",
+ __FUNCTION__, result);
+ else {
+ if (tty && RxCount)
+ flip_that(tty, UartNumber, serial);
+ }
+ return;
+}
static void qt_read_bulk_callback(struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+ struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+ if (urb->status) {
- if (urb->status)
- {
-
- port->ReadBulkStopped = 1;
- mydbg("%s - nonzero write bulk status received: %d\n", __FUNCTION__, urb->status);
- return;
- }
+ port->ReadBulkStopped = 1;
+ mydbg("%s - nonzero write bulk status received: %d\n",
+ __FUNCTION__, urb->status);
+ return;
+ }
- port_sofrint((void *) port);
- schedule_work(&port->work);
+ port_sofrint((void *)port);
+ schedule_work(&port->work);
}
+static void ProcessRxChar(struct usb_serial_port *port, unsigned char Data)
+{
+ struct tty_struct *tty;
+ struct urb *urb = port->read_urb;
+ tty = port->tty;
+ /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
-static void ProcessRxChar(struct usb_serial_port *port, unsigned char Data){
- struct tty_struct *tty;
- struct urb *urb = port->read_urb;
- tty = port->tty;
- /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
-
- if(tty && urb->actual_length)
- {
+ if (tty && urb->actual_length) {
tty_buffer_request_room(tty, 1);
tty_insert_flip_string(tty, &Data, 1);
//tty_flip_buffer_push(tty);
-
}
- return;
+ return;
}
-static void ProcessLineStatus(struct usb_serial_port *port, unsigned char line_status){
+static void ProcessLineStatus(struct usb_serial_port *port,
+ unsigned char line_status)
+{
- port->shadowLSR = line_status & (SERIAL_LSR_OE | SERIAL_LSR_PE | SERIAL_LSR_FE |
- SERIAL_LSR_BI);
- return;
+ port->shadowLSR =
+ line_status & (SERIAL_LSR_OE | SERIAL_LSR_PE | SERIAL_LSR_FE |
+ SERIAL_LSR_BI);
+ return;
}
+static void ProcessModemStatus(struct usb_serial_port *port,
+ unsigned char modem_status)
+{
-static void ProcessModemStatus(struct usb_serial_port *port, unsigned char modem_status){
-
- port->shadowMSR = modem_status;
- wake_up_interruptible(&port->wait);
- return;
+ port->shadowMSR = modem_status;
+ wake_up_interruptible(&port->wait);
+ return;
}
+static void serqt_usb_disconnect(struct usb_interface *interface)
+{
+ struct usb_serial *serial = usb_get_intfdata(interface);
+ //struct device *dev = &interface->dev;
+ struct usb_serial_port *port;
+ int i;
+ mydbg("%s\n", __FUNCTION__);
+ if (serial) {
+ serial->dev = NULL;
+ for (i = 0; i < serial->num_ports; ++i)
+ serial->port[i].open_count = 0;
+ for (i = 0; i < serial->num_bulk_in; ++i) {
+ port = &serial->port[i];
+ if (port->read_urb) {
+ usb_unlink_urb(port->read_urb);
+ usb_free_urb(port->read_urb);
+ }
+ if (port->bulk_in_buffer)
+ kfree(port->bulk_in_buffer);
+ }
+ for (i = 0; i < serial->num_bulk_out; ++i) {
+ port = &serial->port[i];
+ if (port->write_urb) {
+ usb_unlink_urb(port->write_urb);
+ usb_free_urb(port->write_urb);
+ }
+ if (port->bulk_out_buffer)
+ kfree(port->bulk_out_buffer);
+ }
+ for (i = 0; i < serial->num_interrupt_in; ++i) {
+ port = &serial->port[i];
+ if (port->interrupt_in_urb) {
+ usb_unlink_urb(port->interrupt_in_urb);
+ usb_free_urb(port->interrupt_in_urb);
+ }
+ if (port->interrupt_in_buffer)
+ kfree(port->interrupt_in_buffer);
+ }
-static void serqt_usb_disconnect(struct usb_interface *interface){
- struct usb_serial *serial = usb_get_intfdata (interface);
- //struct device *dev = &interface->dev;
- struct usb_serial_port *port;
- int i;
-
- mydbg ("%s\n", __FUNCTION__);
- if (serial)
- {
-
- serial->dev = NULL;
-
- for (i = 0; i < serial->num_ports; ++i)
- serial->port[i].open_count = 0;
-
- for (i = 0; i < serial->num_bulk_in; ++i)
- {
- port = &serial->port[i];
- if (port->read_urb)
- {
- usb_unlink_urb (port->read_urb);
- usb_free_urb (port->read_urb);
- }
- if (port->bulk_in_buffer)
- kfree (port->bulk_in_buffer);
- }
- for (i = 0; i < serial->num_bulk_out; ++i)
- {
- port = &serial->port[i];
- if (port->write_urb)
- {
- usb_unlink_urb (port->write_urb);
- usb_free_urb (port->write_urb);
- }
- if (port->bulk_out_buffer)
- kfree (port->bulk_out_buffer);
- }
- for (i = 0; i < serial->num_interrupt_in; ++i)
- {
- port = &serial->port[i];
- if (port->interrupt_in_urb)
- {
- usb_unlink_urb (port->interrupt_in_urb);
- usb_free_urb (port->interrupt_in_urb);
- }
- if (port->interrupt_in_buffer)
- kfree (port->interrupt_in_buffer);
- }
-
-
- /* return the minor range that this device had */
- return_serial (serial);
-
- /* free up any memory that we allocated */
- kfree (serial);
-
-
+ /* return the minor range that this device had */
+ return_serial(serial);
- } else
- {
- dev_info(&interface->dev, "device disconnected");
- }
+ /* free up any memory that we allocated */
+ kfree(serial);
+ } else {
+ dev_info(&interface->dev, "device disconnected");
+ }
}
-
-
-
-
-
-
-static struct usb_serial *get_serial_by_minor (unsigned int minor)
+static struct usb_serial *get_serial_by_minor(unsigned int minor)
{
- return serial_table[minor];
+ return serial_table[minor];
}
/*****************************************************************************
* Driver tty interface functions
*****************************************************************************/
-static int serial_open (struct tty_struct *tty, struct file * filp){
- struct usb_serial *serial;
- struct usb_serial_port *port;
- unsigned int portNumber;
- int retval = 0;
+static int serial_open(struct tty_struct *tty, struct file *filp)
+{
+ struct usb_serial *serial;
+ struct usb_serial_port *port;
+ unsigned int portNumber;
+ int retval = 0;
- mydbg("%s\n", __FUNCTION__);
+ mydbg("%s\n", __FUNCTION__);
- /* initialize the pointer incase something fails */
- tty->driver_data = NULL;
+ /* initialize the pointer incase something fails */
+ tty->driver_data = NULL;
- /* get the serial object associated with this tty pointer */
- //serial = get_serial_by_minor (MINOR(tty->device));
+ /* get the serial object associated with this tty pointer */
+ //serial = get_serial_by_minor (MINOR(tty->device));
- /* get the serial object associated with this tty pointer */
+ /* get the serial object associated with this tty pointer */
serial = get_serial_by_minor(tty->index);
+ if (serial_paranoia_check(serial, __FUNCTION__))
+ return -ENODEV;
- if (serial_paranoia_check (serial, __FUNCTION__))
- return -ENODEV;
-
-
- /* set up our port structure making the tty driver remember our port object, and us it */
- portNumber = tty->index - serial->minor;
- port = &serial->port[portNumber];
- tty->driver_data = port;
-
- down (&port->sem);
- port->tty = tty;
+ /* set up our port structure making the tty driver remember our port object, and us it */
+ portNumber = tty->index - serial->minor;
+ port = &serial->port[portNumber];
+ tty->driver_data = port;
+ down(&port->sem);
+ port->tty = tty;
- ++port->open_count;
- if (port->open_count == 1)
- {
- port->closePending = 0;
- mydbg("%s port->closepending = 0\n", __FUNCTION__);
+ ++port->open_count;
+ if (port->open_count == 1) {
+ port->closePending = 0;
+ mydbg("%s port->closepending = 0\n", __FUNCTION__);
- port->RxHolding = 0;
- mydbg("%s port->RxHolding = 0\n", __FUNCTION__);
+ port->RxHolding = 0;
+ mydbg("%s port->RxHolding = 0\n", __FUNCTION__);
- retval = qt_open(port, filp);
- }
+ retval = qt_open(port, filp);
+ }
- if (retval)
- {
- port->open_count = 0;
- }
- mydbg("%s returning port->closePending = %d\n", __FUNCTION__, port->closePending);
+ if (retval) {
+ port->open_count = 0;
+ }
+ mydbg("%s returning port->closePending = %d\n", __FUNCTION__,
+ port->closePending);
- up (&port->sem);
- return retval;
+ up(&port->sem);
+ return retval;
}
+
/*****************************************************************************
*device's specific driver functions
*****************************************************************************/
-static int qt_open (struct usb_serial_port *port, struct file *filp){
- struct usb_serial *serial = port->serial;
- int result = 0;
- unsigned int UartNumber;
- struct qt_get_device_data DeviceData;
- struct qt_open_channel_data ChannelData;
- unsigned short default_divisor = 0x30; //gives 9600 baud rate
- unsigned char default_LCR = SERIAL_8_DATA; // 8, none , 1
- int status = 0;
-
-
-
-
- if (port_paranoia_check (port, __FUNCTION__))
- return -ENODEV;
-
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
-
- /* force low_latency on so that our tty_push actually forces the data through,
- otherwise it is scheduled, and with high data rates (like with OHCI) data
- can get lost. */
- if (port->tty)
- port->tty->low_latency = 0;
-
-
- UartNumber = port->tty->index - serial->minor;
+static int qt_open(struct usb_serial_port *port, struct file *filp)
+{
+ struct usb_serial *serial = port->serial;
+ int result = 0;
+ unsigned int UartNumber;
+ struct qt_get_device_data DeviceData;
+ struct qt_open_channel_data ChannelData;
+ unsigned short default_divisor = 0x30; //gives 9600 baud rate
+ unsigned char default_LCR = SERIAL_8_DATA; // 8, none , 1
+ int status = 0;
- status = box_get_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_get_device failed\n");
- return status;
- }
- serial->num_OpenCount++;
- mydbg("%s serial->num_OpenCount = %d\n", __FUNCTION__, serial->num_OpenCount);
- //Open uart channel
+ if (port_paranoia_check(port, __FUNCTION__))
+ return -ENODEV;
- //Port specific setups
- status = BoxOPenCloseChannel(serial, UartNumber, 1, &ChannelData);
- if (status < 0)
- {
- mydbg(__FILE__"BoxOPenCloseChannel failed\n");
- return status;
- }
- mydbg(__FILE__"BoxOPenCloseChannel completed.\n");
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- port->shadowLSR = ChannelData.line_status &
- (SERIAL_LSR_OE | SERIAL_LSR_PE | SERIAL_LSR_FE | SERIAL_LSR_BI);
+ /* force low_latency on so that our tty_push actually forces the data through,
+ otherwise it is scheduled, and with high data rates (like with OHCI) data
+ can get lost. */
+ if (port->tty)
+ port->tty->low_latency = 0;
- port->shadowMSR = ChannelData.modem_status &
- (SERIAL_MSR_CTS | SERIAL_MSR_DSR | SERIAL_MSR_RI | SERIAL_MSR_CD);
+ UartNumber = port->tty->index - serial->minor;
+ status = box_get_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_get_device failed\n");
+ return status;
+ }
+ serial->num_OpenCount++;
+ mydbg("%s serial->num_OpenCount = %d\n", __FUNCTION__,
+ serial->num_OpenCount);
+ //Open uart channel
+
+ //Port specific setups
+ status = BoxOPenCloseChannel(serial, UartNumber, 1, &ChannelData);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxOPenCloseChannel failed\n");
+ return status;
+ }
+ mydbg(__FILE__ "BoxOPenCloseChannel completed.\n");
- //Set Baud rate to default and turn off (default)flow control here
- status = BoxSetUart(serial, UartNumber, default_divisor, default_LCR);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetUart failed\n");
- return status;
- }
- mydbg(__FILE__"BoxSetUart completed.\n");
+ port->shadowLSR = ChannelData.line_status &
+ (SERIAL_LSR_OE | SERIAL_LSR_PE | SERIAL_LSR_FE | SERIAL_LSR_BI);
+ port->shadowMSR = ChannelData.modem_status &
+ (SERIAL_MSR_CTS | SERIAL_MSR_DSR | SERIAL_MSR_RI | SERIAL_MSR_CD);
- //Put this here to make it responsive to stty and defauls set by the tty layer
- qt_set_termios(port, NULL);
+ //Set Baud rate to default and turn off (default)flow control here
+ status = BoxSetUart(serial, UartNumber, default_divisor, default_LCR);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetUart failed\n");
+ return status;
+ }
+ mydbg(__FILE__ "BoxSetUart completed.\n");
+ //Put this here to make it responsive to stty and defauls set by the tty layer
+ qt_set_termios(port, NULL);
- //Initialize the wait que head
- init_waitqueue_head(&(port->wait));
+ //Initialize the wait que head
+ init_waitqueue_head(&(port->wait));
- /* if we have a bulk endpoint, start reading from it */
- if (serial->num_bulk_in)
- {
- /* Start reading from the device */
- usb_fill_bulk_urb (port->read_urb, serial->dev,
- usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
- port->read_urb->transfer_buffer,
- port->read_urb->transfer_buffer_length,
- qt_read_bulk_callback,
- port);
+ /* if we have a bulk endpoint, start reading from it */
+ if (serial->num_bulk_in) {
+ /* Start reading from the device */
+ usb_fill_bulk_urb(port->read_urb, serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ port->
+ bulk_in_endpointAddress),
+ port->read_urb->transfer_buffer,
+ port->read_urb->transfer_buffer_length,
+ qt_read_bulk_callback, port);
- port->ReadBulkStopped = 0;
+ port->ReadBulkStopped = 0;
- result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+ result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
- if (result)
- {
- err("%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
- port->ReadBulkStopped = 1;
- }
+ if (result) {
+ err("%s - failed resubmitting read urb, error %d\n",
+ __FUNCTION__, result);
+ port->ReadBulkStopped = 1;
+ }
- }
+ }
- return result;
+ return result;
}
-static void serial_close(struct tty_struct *tty, struct file * filp){
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-
- if (!serial)
- return;
+static void serial_close(struct tty_struct *tty, struct file *filp)
+{
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
- down (&port->sem);
+ if (!serial)
+ return;
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ down(&port->sem);
- /* if disconnect beat us to the punch here, there's nothing to do */
- if (tty->driver_data)
- {
- if (!port->open_count)
- {
- mydbg ("%s - port not opened\n", __FUNCTION__);
- goto exit;
- }
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- --port->open_count;
- if (port->open_count <= 0)
- {
- port->closePending = 1;
- mydbg ("%s - port->closePending = 1\n", __FUNCTION__);
+ /* if disconnect beat us to the punch here, there's nothing to do */
+ if (tty->driver_data) {
+ if (!port->open_count) {
+ mydbg("%s - port not opened\n", __FUNCTION__);
+ goto exit;
+ }
- if (serial->dev)
- {
- qt_close(port, filp);
- port->open_count = 0;
- }
- }
+ --port->open_count;
+ if (port->open_count <= 0) {
+ port->closePending = 1;
+ mydbg("%s - port->closePending = 1\n", __FUNCTION__);
- }
+ if (serial->dev) {
+ qt_close(port, filp);
+ port->open_count = 0;
+ }
+ }
- exit:
- up (&port->sem);
+ }
- mydbg("%s - %d return\n", __FUNCTION__, port->number);
+exit:
+ up(&port->sem);
+ mydbg("%s - %d return\n", __FUNCTION__, port->number);
}
-static void qt_close (struct usb_serial_port *port, struct file *filp){
- unsigned long jift = jiffies + 10 * HZ;
- __u8 LSR_Value, MCR_Value;
- struct usb_serial *serial = port->serial;
- int status;
- unsigned int UartNumber;
-
- struct qt_open_channel_data ChannelData;
- status = 0;
- LSR_Value = 0;
-
-
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
- UartNumber = port->tty->index - serial->minor;
-
- /* shutdown any bulk reads that might be going on */
- if (serial->num_bulk_out)
- usb_unlink_urb (port->write_urb);
- if (serial->num_bulk_in)
- usb_unlink_urb (port->read_urb);
-
-
- //wait up to 30 seconds for transmitter to empty
- do
- {
- status = BoxGetRegister(serial, UartNumber, LINE_STATUS_REGISTER, &LSR_Value);
- if (status < 0)
- {
- mydbg(__FILE__"box_get_device failed\n");
- break;
- }
-
- if ((LSR_Value & SERIAL_LSR_TEMT) && (port->ReadBulkStopped == 1))
- break;
- schedule();
-
-
- }
- while (jiffies <= jift);
-
- if(jiffies > jift)
- mydbg("%s - port %d timout of checking transmitter empty\n", __FUNCTION__, port->number);
- else
- mydbg("%s - port %d checking transmitter empty succeded\n", __FUNCTION__, port->number);
-
+static void qt_close(struct usb_serial_port *port, struct file *filp)
+{
+ unsigned long jift = jiffies + 10 * HZ;
+ __u8 LSR_Value, MCR_Value;
+ struct usb_serial *serial = port->serial;
+ int status;
+ unsigned int UartNumber;
+ struct qt_open_channel_data ChannelData;
+ status = 0;
+ LSR_Value = 0;
- status = BoxGetRegister(serial, UartNumber, MODEM_CONTROL_REGISTER, &MCR_Value);
- mydbg(__FILE__"BoxGetRegister MCR = 0x%x.\n", MCR_Value);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ UartNumber = port->tty->index - serial->minor;
+
+ /* shutdown any bulk reads that might be going on */
+ if (serial->num_bulk_out)
+ usb_unlink_urb(port->write_urb);
+ if (serial->num_bulk_in)
+ usb_unlink_urb(port->read_urb);
+
+ //wait up to 30 seconds for transmitter to empty
+ do {
+ status =
+ BoxGetRegister(serial, UartNumber, LINE_STATUS_REGISTER,
+ &LSR_Value);
+ if (status < 0) {
+ mydbg(__FILE__ "box_get_device failed\n");
+ break;
+ }
+ if ((LSR_Value & SERIAL_LSR_TEMT)
+ && (port->ReadBulkStopped == 1))
+ break;
+ schedule();
- if (status >= 0)
- {
- MCR_Value &= ~(SERIAL_MCR_DTR | SERIAL_MCR_RTS);
+ }
+ while (jiffies <= jift);
+
+ if (jiffies > jift)
+ mydbg("%s - port %d timout of checking transmitter empty\n",
+ __FUNCTION__, port->number);
+ else
+ mydbg("%s - port %d checking transmitter empty succeded\n",
+ __FUNCTION__, port->number);
+
+ status =
+ BoxGetRegister(serial, UartNumber, MODEM_CONTROL_REGISTER,
+ &MCR_Value);
+ mydbg(__FILE__ "BoxGetRegister MCR = 0x%x.\n", MCR_Value);
+
+ if (status >= 0) {
+ MCR_Value &= ~(SERIAL_MCR_DTR | SERIAL_MCR_RTS);
// status = BoxSetRegister(serial, UartNumber, MODEM_CONTROL_REGISTER, MCR_Value);
- }
-
-
- //Close uart channel
- status = BoxOPenCloseChannel(serial, UartNumber, 0, &ChannelData);
- if(status < 0)
- mydbg("%s - port %d BoxOPenCloseChannel failed.\n", __FUNCTION__, port->number);
+ }
- serial->num_OpenCount--;
+ //Close uart channel
+ status = BoxOPenCloseChannel(serial, UartNumber, 0, &ChannelData);
+ if (status < 0)
+ mydbg("%s - port %d BoxOPenCloseChannel failed.\n",
+ __FUNCTION__, port->number);
+ serial->num_OpenCount--;
}
-
-
-static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count)
+static int serial_write(struct tty_struct *tty, const unsigned char *buf,
+ int count)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial;
- int retval = -EINVAL;
- unsigned int UartNumber;
- int from_user = 0;
-
-
- serial = get_usb_serial (port, __FUNCTION__);
- if(serial == NULL)
- return -ENODEV;
- //This can happen if we get disconnected a
- if (port->open_count == 0)
- {
- return -ENODEV;
- }
- UartNumber = port->tty->index - serial->minor;
-
- mydbg("%s - port %d, %d byte(s)\n", __FUNCTION__, port->number, count);
- mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
-
- if (!port->open_count)
- {
- mydbg("%s - port not opened\n", __FUNCTION__);
- goto exit;
- }
-
- retval = qt_write(port, from_user, buf, count);
-
- exit:
- return retval;
-}
-
-
-static int qt_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count){
- int result;
- unsigned int UartNumber;
-
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- if(serial == NULL)
- return -ENODEV;
-
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial;
+ int retval = -EINVAL;
+ unsigned int UartNumber;
+ int from_user = 0;
+ serial = get_usb_serial(port, __FUNCTION__);
+ if (serial == NULL)
+ return -ENODEV;
+ //This can happen if we get disconnected a
+ if (port->open_count == 0) {
+ return -ENODEV;
+ }
+ UartNumber = port->tty->index - serial->minor;
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port %d, %d byte(s)\n", __FUNCTION__, port->number, count);
+ mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
- if (count == 0)
- {
- mydbg("%s - write request of 0 bytes\n", __FUNCTION__);
- return(0);
- }
+ if (!port->open_count) {
+ mydbg("%s - port not opened\n", __FUNCTION__);
+ goto exit;
+ }
+ retval = qt_write(port, from_user, buf, count);
- UartNumber = port->tty->index - serial->minor;
- /* only do something if we have a bulk out endpoint */
- if (serial->num_bulk_out)
- {
- if (port->write_urb->status == -EINPROGRESS)
- {
- mydbg("%s - already writing\n", __FUNCTION__);
- return(0);
- }
+exit:
+ return retval;
+}
- count = (count > port->bulk_out_size) ? port->bulk_out_size : count;
+static int qt_write(struct usb_serial_port *port, int from_user,
+ const unsigned char *buf, int count)
+{
+ int result;
+ unsigned int UartNumber;
- if (from_user)
- {
- if (copy_from_user(port->write_urb->transfer_buffer, buf, count))
- return -EFAULT;
- } else
- {
- memcpy (port->write_urb->transfer_buffer, buf, count);
- }
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ if (serial == NULL)
+ return -ENODEV;
- //usb_serial_debug_data(__FILE__, __FUNCTION__, count, port->write_urb->transfer_buffer);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- /* set up our urb */
+ if (count == 0) {
+ mydbg("%s - write request of 0 bytes\n", __FUNCTION__);
+ return (0);
+ }
+ UartNumber = port->tty->index - serial->minor;
+ /* only do something if we have a bulk out endpoint */
+ if (serial->num_bulk_out) {
+ if (port->write_urb->status == -EINPROGRESS) {
+ mydbg("%s - already writing\n", __FUNCTION__);
+ return (0);
+ }
- usb_fill_bulk_urb (port->write_urb, serial->dev,
- usb_sndbulkpipe (serial->dev,
- port->bulk_out_endpointAddress),
- port->write_urb->transfer_buffer, count,
- qt_write_bulk_callback, port);
+ count =
+ (count > port->bulk_out_size) ? port->bulk_out_size : count;
+ if (from_user) {
+ if (copy_from_user
+ (port->write_urb->transfer_buffer, buf, count))
+ return -EFAULT;
+ } else {
+ memcpy(port->write_urb->transfer_buffer, buf, count);
+ }
+ //usb_serial_debug_data(__FILE__, __FUNCTION__, count, port->write_urb->transfer_buffer);
+ /* set up our urb */
+ usb_fill_bulk_urb(port->write_urb, serial->dev,
+ usb_sndbulkpipe(serial->dev,
+ port->
+ bulk_out_endpointAddress),
+ port->write_urb->transfer_buffer, count,
+ qt_write_bulk_callback, port);
- /* send the data out the bulk port */
- result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
- if (result)
- mydbg("%s - failed submitting write urb, error %d\n", __FUNCTION__, result);
- else
- result = count;
+ /* send the data out the bulk port */
+ result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
+ if (result)
+ mydbg("%s - failed submitting write urb, error %d\n",
+ __FUNCTION__, result);
+ else
+ result = count;
- return result;
- }
+ return result;
+ }
- /* no bulk out, so return 0 bytes written */
- return(0);
+ /* no bulk out, so return 0 bytes written */
+ return (0);
}
-
-
static void qt_write_bulk_callback(struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
-
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
-
- if (!serial)
- {
- mydbg("%s - bad serial pointer, exiting\n", __FUNCTION__);
- return;
- }
-
- if (urb->status)
- {
- mydbg("%s - nonzero write bulk status received: %d\n", __FUNCTION__, urb->status);
- return;
- }
- //
- port_softint(&port->work);
- schedule_work(&port->work);
-
- return;
-}
-
+ struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
-static void port_softint(struct work_struct *work)
-{
- struct usb_serial_port *port =
- container_of(work, struct usb_serial_port, work);
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- struct tty_struct *tty;
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ if (!serial) {
+ mydbg("%s - bad serial pointer, exiting\n", __FUNCTION__);
+ return;
+ }
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ if (urb->status) {
+ mydbg("%s - nonzero write bulk status received: %d\n",
+ __FUNCTION__, urb->status);
+ return;
+ }
+ //
+ port_softint(&port->work);
+ schedule_work(&port->work);
+ return;
+}
+static void port_softint(struct work_struct *work)
+{
+ struct usb_serial_port *port =
+ container_of(work, struct usb_serial_port, work);
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ struct tty_struct *tty;
- if (!serial)
- return;
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ if (!serial)
+ return;
- tty = port->tty;
- if (!tty)
- return;
+ tty = port->tty;
+ if (!tty)
+ return;
#if 0
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup)
- {
- mydbg("%s - write wakeup call.\n", __FUNCTION__);
- (tty->ldisc.write_wakeup)(tty);
- }
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP))
+ && tty->ldisc.write_wakeup) {
+ mydbg("%s - write wakeup call.\n", __FUNCTION__);
+ (tty->ldisc.write_wakeup) (tty);
+ }
#endif
- wake_up_interruptible(&tty->write_wait);
+ wake_up_interruptible(&tty->write_wait);
}
-static int serial_write_room (struct tty_struct *tty)
+static int serial_write_room(struct tty_struct *tty)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- int retval = -EINVAL;
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ int retval = -EINVAL;
- if (!serial)
- return -ENODEV;
+ if (!serial)
+ return -ENODEV;
- down (&port->sem);
+ down(&port->sem);
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- if (!port->open_count)
- {
- mydbg("%s - port not open\n", __FUNCTION__);
- goto exit;
- }
+ if (!port->open_count) {
+ mydbg("%s - port not open\n", __FUNCTION__);
+ goto exit;
+ }
- retval = qt_write_room(port);
+ retval = qt_write_room(port);
- exit:
- up (&port->sem);
- return retval;
+exit:
+ up(&port->sem);
+ return retval;
}
-static int qt_write_room (struct usb_serial_port *port)
+static int qt_write_room(struct usb_serial_port *port)
{
- struct usb_serial *serial = port->serial;
- int room = 0;
- if (port->closePending == 1)
- {
- mydbg("%s - port->closePending == 1\n", __FUNCTION__);
- return -ENODEV;
- }
-
+ struct usb_serial *serial = port->serial;
+ int room = 0;
+ if (port->closePending == 1) {
+ mydbg("%s - port->closePending == 1\n", __FUNCTION__);
+ return -ENODEV;
+ }
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- if (serial->num_bulk_out)
- {
- if (port->write_urb->status != -EINPROGRESS)
- room = port->bulk_out_size;
- }
+ if (serial->num_bulk_out) {
+ if (port->write_urb->status != -EINPROGRESS)
+ room = port->bulk_out_size;
+ }
- mydbg("%s - returns %d\n", __FUNCTION__, room);
- return(room);
+ mydbg("%s - returns %d\n", __FUNCTION__, room);
+ return (room);
}
-static int serial_chars_in_buffer (struct tty_struct *tty)
+static int serial_chars_in_buffer(struct tty_struct *tty)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
int retval = -EINVAL;
if (!serial)
return -ENODEV;
- down (&port->sem);
+ down(&port->sem);
mydbg("%s = port %d\n", __FUNCTION__, port->number);
retval = qt_chars_in_buffer(port);
exit:
- up (&port->sem);
+ up(&port->sem);
return retval;
}
-
-
-static int qt_chars_in_buffer (struct usb_serial_port *port)
+static int qt_chars_in_buffer(struct usb_serial_port *port)
{
- struct usb_serial *serial = port->serial;
- int chars = 0;
+ struct usb_serial *serial = port->serial;
+ int chars = 0;
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
- if (serial->num_bulk_out)
- {
- if (port->write_urb->status == -EINPROGRESS)
- chars = port->write_urb->transfer_buffer_length;
- }
+ if (serial->num_bulk_out) {
+ if (port->write_urb->status == -EINPROGRESS)
+ chars = port->write_urb->transfer_buffer_length;
+ }
- mydbg("%s - returns %d\n", __FUNCTION__, chars);
- return(chars);
+ mydbg("%s - returns %d\n", __FUNCTION__, chars);
+ return (chars);
}
-
-static int serial_tiocmset (struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear)
+static int serial_tiocmset(struct tty_struct *tty, struct file *file,
+ unsigned int set, unsigned int clear)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- int retval = -ENODEV;
- unsigned int UartNumber;
- mydbg("In %s \n", __FUNCTION__);
-
- if (!serial)
- return -ENODEV;
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ int retval = -ENODEV;
+ unsigned int UartNumber;
+ mydbg("In %s \n", __FUNCTION__);
+ if (!serial)
+ return -ENODEV;
- UartNumber = port->tty->index - serial->minor;
-
+ UartNumber = port->tty->index - serial->minor;
- down (&port->sem);
+ down(&port->sem);
- mydbg("%s - port %d \n", __FUNCTION__, port->number);
- mydbg ("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
+ mydbg("%s - port %d \n", __FUNCTION__, port->number);
+ mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
- if (!port->open_count)
- {
- mydbg ("%s - port not open\n", __FUNCTION__);
- goto exit;
- }
+ if (!port->open_count) {
+ mydbg("%s - port not open\n", __FUNCTION__);
+ goto exit;
+ }
- retval = qt_tiocmset(port, file, set);
+ retval = qt_tiocmset(port, file, set);
- exit:
- up (&port->sem);
- return retval;
+exit:
+ up(&port->sem);
+ return retval;
}
-
-static int qt_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int value)
+static int qt_tiocmset(struct usb_serial_port *port, struct file *file,
+ unsigned int value)
{
- __u8 MCR_Value;
- int status;
- unsigned int UartNumber;
-
+ __u8 MCR_Value;
+ int status;
+ unsigned int UartNumber;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- if(serial == NULL)
- return -ENODEV;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ if (serial == NULL)
+ return -ENODEV;
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
/**************************************************************************************/
/** TIOCMGET
*/
- UartNumber = port->tty->index - serial->minor;
- status = BoxGetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER, &MCR_Value);
- if (status < 0)
- return -ESPIPE;
-
- //Turn off the RTS and DTR and loopbcck and then only
- //trun on what was asked for
- MCR_Value &= ~(SERIAL_MCR_RTS | SERIAL_MCR_DTR | SERIAL_MCR_LOOP);
- if (value & TIOCM_RTS)
- MCR_Value |= SERIAL_MCR_RTS;
- if (value & TIOCM_DTR)
- MCR_Value |= SERIAL_MCR_DTR;
- if (value & TIOCM_LOOP)
- MCR_Value |= SERIAL_MCR_LOOP;
-
- status = BoxSetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER, MCR_Value);
- if (status < 0)
- return -ESPIPE;
- else
- return 0;
+ UartNumber = port->tty->index - serial->minor;
+ status =
+ BoxGetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER,
+ &MCR_Value);
+ if (status < 0)
+ return -ESPIPE;
+
+ //Turn off the RTS and DTR and loopbcck and then only
+ //trun on what was asked for
+ MCR_Value &= ~(SERIAL_MCR_RTS | SERIAL_MCR_DTR | SERIAL_MCR_LOOP);
+ if (value & TIOCM_RTS)
+ MCR_Value |= SERIAL_MCR_RTS;
+ if (value & TIOCM_DTR)
+ MCR_Value |= SERIAL_MCR_DTR;
+ if (value & TIOCM_LOOP)
+ MCR_Value |= SERIAL_MCR_LOOP;
+
+ status =
+ BoxSetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER,
+ MCR_Value);
+ if (status < 0)
+ return -ESPIPE;
+ else
+ return 0;
}
static int serial_tiocmget(struct tty_struct *tty, struct file *file)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- int retval = -ENODEV;
- unsigned int UartNumber;
- mydbg("In %s \n", __FUNCTION__);
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ int retval = -ENODEV;
+ unsigned int UartNumber;
+ mydbg("In %s \n", __FUNCTION__);
- if (!serial)
- return -ENODEV;
-
-
- UartNumber = port->tty->index - serial->minor;
+ if (!serial)
+ return -ENODEV;
+ UartNumber = port->tty->index - serial->minor;
- down (&port->sem);
+ down(&port->sem);
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
- mydbg ("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
- if (!port->open_count)
- {
- mydbg ("%s - port not open\n", __FUNCTION__);
- goto exit;
- }
+ if (!port->open_count) {
+ mydbg("%s - port not open\n", __FUNCTION__);
+ goto exit;
+ }
- retval = qt_tiocmget(port, file);
+ retval = qt_tiocmget(port, file);
- exit:
- up (&port->sem);
- return retval;
+exit:
+ up(&port->sem);
+ return retval;
}
-
-
-static int qt_tiocmget(struct usb_serial_port *port, struct file * file)
+static int qt_tiocmget(struct usb_serial_port *port, struct file *file)
{
- __u8 MCR_Value;
- __u8 MSR_Value;
- unsigned int result = 0;
- int status;
- unsigned int UartNumber;
- struct tty_struct * tty;
+ __u8 MCR_Value;
+ __u8 MSR_Value;
+ unsigned int result = 0;
+ int status;
+ unsigned int UartNumber;
+ struct tty_struct *tty;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ if (serial == NULL)
+ return -ENODEV;
+ tty = port->tty;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- if(serial == NULL)
- return -ENODEV;
- tty = port->tty;
-
- mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
+ mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
/**************************************************************************************/
/** TIOCMGET
*/
- UartNumber = port->tty->index - serial->minor;
- status = BoxGetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER, &MCR_Value);
- if (status >= 0)
- {
- status = BoxGetRegister(port->serial, UartNumber, MODEM_STATUS_REGISTER, &MSR_Value);
-
- }
-
- if (status >= 0)
- {
- result = ((MCR_Value & SERIAL_MCR_DTR) ? TIOCM_DTR: 0)
- //DTR IS SET
- | ((MCR_Value & SERIAL_MCR_RTS) ? TIOCM_RTS: 0)
- //RTS IS SET
- | ((MSR_Value & SERIAL_MSR_CTS) ? TIOCM_CTS: 0)
- //CTS is set
- | ((MSR_Value & SERIAL_MSR_CD) ? TIOCM_CAR: 0)
- //Carrier detect is set
- | ((MSR_Value & SERIAL_MSR_RI) ? TIOCM_RI: 0)
- //Ring indicator set
- | ((MSR_Value & SERIAL_MSR_DSR) ? TIOCM_DSR: 0);
- //DSR is set
- return result;
-
- }
- else
- return -ESPIPE;
- //endif tatus => 0
-}
-
+ UartNumber = port->tty->index - serial->minor;
+ status =
+ BoxGetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER,
+ &MCR_Value);
+ if (status >= 0) {
+ status =
+ BoxGetRegister(port->serial, UartNumber,
+ MODEM_STATUS_REGISTER, &MSR_Value);
+ }
-static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
-{
+ if (status >= 0) {
+ result = ((MCR_Value & SERIAL_MCR_DTR) ? TIOCM_DTR : 0)
+ //DTR IS SET
+ | ((MCR_Value & SERIAL_MCR_RTS) ? TIOCM_RTS : 0)
+ //RTS IS SET
+ | ((MSR_Value & SERIAL_MSR_CTS) ? TIOCM_CTS : 0)
+ //CTS is set
+ | ((MSR_Value & SERIAL_MSR_CD) ? TIOCM_CAR : 0)
+ //Carrier detect is set
+ | ((MSR_Value & SERIAL_MSR_RI) ? TIOCM_RI : 0)
+ //Ring indicator set
+ | ((MSR_Value & SERIAL_MSR_DSR) ? TIOCM_DSR : 0);
+ //DSR is set
+ return result;
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- int retval = -ENODEV;
- unsigned int UartNumber;
- mydbg("In %s \n", __FUNCTION__);
+ } else
+ return -ESPIPE;
+ //endif tatus => 0
+}
- if (!serial)
- return -ENODEV;
+static int serial_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ int retval = -ENODEV;
+ unsigned int UartNumber;
+ mydbg("In %s \n", __FUNCTION__);
- UartNumber = port->tty->index - serial->minor;
+ if (!serial)
+ return -ENODEV;
+ UartNumber = port->tty->index - serial->minor;
- down (&port->sem);
+ down(&port->sem);
- mydbg("%s - port %d, cmd 0x%.4x\n", __FUNCTION__, port->number, cmd);
- mydbg ("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
+ mydbg("%s - port %d, cmd 0x%.4x\n", __FUNCTION__, port->number, cmd);
+ mydbg("%s - port->RxHolding = %d\n", __FUNCTION__, port->RxHolding);
- if (!port->open_count)
- {
- mydbg ("%s - port not open\n", __FUNCTION__);
- goto exit;
- }
+ if (!port->open_count) {
+ mydbg("%s - port not open\n", __FUNCTION__);
+ goto exit;
+ }
- retval = qt_ioctl(port, file, cmd, arg);
+ retval = qt_ioctl(port, file, cmd, arg);
- exit:
- up (&port->sem);
- return retval;
+exit:
+ up(&port->sem);
+ return retval;
}
-static int qt_ioctl(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg)
+static int qt_ioctl(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- __u8 MCR_Value;
- __u8 MSR_Value;
- unsigned short Prev_MSR_Value;
- unsigned int value, result = 0;
- int status;
- unsigned int UartNumber;
- struct tty_struct * tty;
-
-
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- if(serial == NULL)
- return -ENODEV;
- tty = port->tty;
+ __u8 MCR_Value;
+ __u8 MSR_Value;
+ unsigned short Prev_MSR_Value;
+ unsigned int value, result = 0;
+ int status;
+ unsigned int UartNumber;
+ struct tty_struct *tty;
+
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ if (serial == NULL)
+ return -ENODEV;
+ tty = port->tty;
- mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
+ mydbg("%s - port %d, tty =0x%p\n", __FUNCTION__, port->number, tty);
/**************************************************************************************/
/** TIOCMGET
*/
- UartNumber = port->tty->index - serial->minor;
-
- if(cmd == TIOCMGET)
- {
- MCR_Value = port->shadowMCR;
- MSR_Value = port->shadowMSR;
-
- {
- result = ((MCR_Value & SERIAL_MCR_DTR) ? TIOCM_DTR: 0)
- //DTR IS SET
- | ((MCR_Value & SERIAL_MCR_RTS) ? TIOCM_RTS: 0)
- //RTS IS SET
- | ((MSR_Value & SERIAL_MSR_CTS) ? TIOCM_CTS: 0)
- //CTS is set
- | ((MSR_Value & SERIAL_MSR_CD) ? TIOCM_CAR: 0)
- //Carrier detect is set
- | ((MSR_Value & SERIAL_MSR_RI) ? TIOCM_RI: 0)
- //Ring indicator set
- | ((MSR_Value & SERIAL_MSR_DSR) ? TIOCM_DSR: 0);
- //DSR is set
- if(copy_to_user((unsigned int *)arg, &result, sizeof(unsigned int)))
- return -EFAULT;
- return 0;
-
- }//endif tatus => 0
-
- }//endif(cmd == TIOCMGET)
+ UartNumber = port->tty->index - serial->minor;
+
+ if (cmd == TIOCMGET) {
+ MCR_Value = port->shadowMCR;
+ MSR_Value = port->shadowMSR;
+
+ {
+ result = ((MCR_Value & SERIAL_MCR_DTR) ? TIOCM_DTR : 0)
+ //DTR IS SET
+ | ((MCR_Value & SERIAL_MCR_RTS) ? TIOCM_RTS : 0)
+ //RTS IS SET
+ | ((MSR_Value & SERIAL_MSR_CTS) ? TIOCM_CTS : 0)
+ //CTS is set
+ | ((MSR_Value & SERIAL_MSR_CD) ? TIOCM_CAR : 0)
+ //Carrier detect is set
+ | ((MSR_Value & SERIAL_MSR_RI) ? TIOCM_RI : 0)
+ //Ring indicator set
+ | ((MSR_Value & SERIAL_MSR_DSR) ? TIOCM_DSR : 0);
+ //DSR is set
+ if (copy_to_user
+ ((unsigned int *)arg, &result,
+ sizeof(unsigned int)))
+ return -EFAULT;
+ return 0;
+
+ } //endif tatus => 0
+
+ } //endif(cmd == TIOCMGET)
/**************************************************************************************/
/** End TIOCMGET
*/
/**************************************************************************************/
- if(cmd == TIOCMBIS || cmd == TIOCMBIC || cmd == TIOCMSET)
- {
- status = BoxGetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER, &MCR_Value);
- if (status < 0)
- return -ESPIPE;
- if (copy_from_user(&value, (unsigned int *)arg, sizeof(unsigned int)))
- return -EFAULT;
-
- switch (cmd)
- {
- case TIOCMBIS:
- if (value & TIOCM_RTS)
- MCR_Value |= SERIAL_MCR_RTS;
- if (value & TIOCM_DTR)
- MCR_Value |= SERIAL_MCR_DTR;
- if (value & TIOCM_LOOP)
- MCR_Value |= SERIAL_MCR_LOOP;
- break;
- case TIOCMBIC:
- if (value & TIOCM_RTS)
- MCR_Value &= ~SERIAL_MCR_RTS;
- if (value & TIOCM_DTR)
- MCR_Value &= ~SERIAL_MCR_DTR;
- if (value & TIOCM_LOOP)
- MCR_Value &= ~SERIAL_MCR_LOOP;
- break;
- case TIOCMSET:
- //Turn off the RTS and DTR and loopbcck and then only
- //trun on what was asked for
- MCR_Value &= ~(SERIAL_MCR_RTS | SERIAL_MCR_DTR | SERIAL_MCR_LOOP);
- if (value & TIOCM_RTS)
- MCR_Value |= SERIAL_MCR_RTS;
- if (value & TIOCM_DTR)
- MCR_Value |= SERIAL_MCR_DTR;
- if (value & TIOCM_LOOP)
- MCR_Value |= SERIAL_MCR_LOOP;
- break;
- default:
- break;
-
- }
- status = BoxSetRegister(port->serial, UartNumber, MODEM_CONTROL_REGISTER, MCR_Value);
- if (status < 0)
- return -ESPIPE;
- else
- {
- port->shadowMCR = MCR_Value;
- return 0;
- }
-
-
- }
+ if (cmd == TIOCMBIS || cmd == TIOCMBIC || cmd == TIOCMSET) {
+ status =
+ BoxGetRegister(port->serial, UartNumber,
+ MODEM_CONTROL_REGISTER, &MCR_Value);
+ if (status < 0)
+ return -ESPIPE;
+ if (copy_from_user
+ (&value, (unsigned int *)arg, sizeof(unsigned int)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case TIOCMBIS:
+ if (value & TIOCM_RTS)
+ MCR_Value |= SERIAL_MCR_RTS;
+ if (value & TIOCM_DTR)
+ MCR_Value |= SERIAL_MCR_DTR;
+ if (value & TIOCM_LOOP)
+ MCR_Value |= SERIAL_MCR_LOOP;
+ break;
+ case TIOCMBIC:
+ if (value & TIOCM_RTS)
+ MCR_Value &= ~SERIAL_MCR_RTS;
+ if (value & TIOCM_DTR)
+ MCR_Value &= ~SERIAL_MCR_DTR;
+ if (value & TIOCM_LOOP)
+ MCR_Value &= ~SERIAL_MCR_LOOP;
+ break;
+ case TIOCMSET:
+ //Turn off the RTS and DTR and loopbcck and then only
+ //trun on what was asked for
+ MCR_Value &=
+ ~(SERIAL_MCR_RTS | SERIAL_MCR_DTR |
+ SERIAL_MCR_LOOP);
+ if (value & TIOCM_RTS)
+ MCR_Value |= SERIAL_MCR_RTS;
+ if (value & TIOCM_DTR)
+ MCR_Value |= SERIAL_MCR_DTR;
+ if (value & TIOCM_LOOP)
+ MCR_Value |= SERIAL_MCR_LOOP;
+ break;
+ default:
+ break;
+
+ }
+ status =
+ BoxSetRegister(port->serial, UartNumber,
+ MODEM_CONTROL_REGISTER, MCR_Value);
+ if (status < 0)
+ return -ESPIPE;
+ else {
+ port->shadowMCR = MCR_Value;
+ return 0;
+ }
+
+ }
/**************************************************************************************/
/** TIOCMBIS, TIOCMBIC, AND TIOCMSET end
*/
/**************************************************************************************/
- if(cmd == TIOCMIWAIT)
- {
- DECLARE_WAITQUEUE(wait, current);
- Prev_MSR_Value = port->shadowMSR & SERIAL_MSR_MASK;
- while(1)
- {
- add_wait_queue(&port->wait, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
- schedule();
- remove_wait_queue(&port->wait, &wait);
- /* see if a signal woke us up */
- if(signal_pending(current))
- return -ERESTARTSYS;
- MSR_Value = port->shadowMSR & SERIAL_MSR_MASK;
- if(MSR_Value == Prev_MSR_Value)
- return -EIO; //no change error
-
- if((arg & TIOCM_RNG && ((Prev_MSR_Value & SERIAL_MSR_RI) ==
- (MSR_Value & SERIAL_MSR_RI))) ||
- (arg & TIOCM_DSR && ((Prev_MSR_Value & SERIAL_MSR_DSR) ==
- (MSR_Value & SERIAL_MSR_DSR))) ||
- (arg & TIOCM_CD && ((Prev_MSR_Value & SERIAL_MSR_CD) ==
- (MSR_Value & SERIAL_MSR_CD))) ||
- (arg & TIOCM_CTS && ((Prev_MSR_Value & SERIAL_MSR_CTS) ==
- (MSR_Value & SERIAL_MSR_CTS))))
- {
- return 0;
- }
-
- }//endwhile
-
- }
- mydbg("%s -No ioctl for that one. port = %d\n", __FUNCTION__, port->number);
-
-
- return -ENOIOCTLCMD;
+ if (cmd == TIOCMIWAIT) {
+ DECLARE_WAITQUEUE(wait, current);
+ Prev_MSR_Value = port->shadowMSR & SERIAL_MSR_MASK;
+ while (1) {
+ add_wait_queue(&port->wait, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule();
+ remove_wait_queue(&port->wait, &wait);
+ /* see if a signal woke us up */
+ if (signal_pending(current))
+ return -ERESTARTSYS;
+ MSR_Value = port->shadowMSR & SERIAL_MSR_MASK;
+ if (MSR_Value == Prev_MSR_Value)
+ return -EIO; //no change error
+
+ if ((arg & TIOCM_RNG
+ && ((Prev_MSR_Value & SERIAL_MSR_RI) ==
+ (MSR_Value & SERIAL_MSR_RI)))
+ || (arg & TIOCM_DSR
+ && ((Prev_MSR_Value & SERIAL_MSR_DSR) ==
+ (MSR_Value & SERIAL_MSR_DSR)))
+ || (arg & TIOCM_CD
+ && ((Prev_MSR_Value & SERIAL_MSR_CD) ==
+ (MSR_Value & SERIAL_MSR_CD)))
+ || (arg & TIOCM_CTS
+ && ((Prev_MSR_Value & SERIAL_MSR_CTS) ==
+ (MSR_Value & SERIAL_MSR_CTS)))) {
+ return 0;
+ }
+
+ } //endwhile
+
+ }
+ mydbg("%s -No ioctl for that one. port = %d\n", __FUNCTION__,
+ port->number);
+
+ return -ENOIOCTLCMD;
}
-static void serial_set_termios (struct tty_struct *tty, struct ktermios *old)
+static void serial_set_termios(struct tty_struct *tty, struct ktermios *old)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
if (!serial)
return;
- down (&port->sem);
+ down(&port->sem);
mydbg("%s - port %d\n", __FUNCTION__, port->number);
}
/* pass on to the driver specific version of this function if it is available */
- qt_set_termios(port, old);
+ qt_set_termios(port, old);
exit:
- up (&port->sem);
+ up(&port->sem);
}
-static void qt_set_termios(struct usb_serial_port *port, struct ktermios *old_termios)
+static void qt_set_termios(struct usb_serial_port *port,
+ struct ktermios *old_termios)
{
- unsigned int cflag;
- int baud, divisor, remainder;
- unsigned char LCR_change_to = 0;
- struct tty_struct *tty;
- int status;
- struct usb_serial *serial;
- __u16 UartNumber;
- __u16 tmp, tmp2;
-
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
-
- tmp = port->tty->index;
- mydbg("%s - MINOR(port->tty->index) = %d\n", __FUNCTION__, tmp);
-
-
- serial = port->serial;
- tmp2 = serial->minor;
- mydbg("%s - serial->minor = %d\n", __FUNCTION__, tmp2);
-
-
-
- UartNumber = port->tty->index - serial->minor;
-
- tty = port->tty;
-
- cflag = tty->termios->c_cflag;
-
- if (old_termios)
- {
- if((cflag == old_termios->c_cflag) && (RELEVANT_IFLAG(tty->termios->c_iflag) ==
- RELEVANT_IFLAG(old_termios->c_iflag)))
- {
- mydbg("%s - Nothing to change\n", __FUNCTION__);
- return;
- }
-
-
- }
-
- mydbg("%s - 3\n", __FUNCTION__);
-
- switch(cflag)
- {
- case CS5:
- LCR_change_to |= SERIAL_5_DATA;
- break;
- case CS6:
- LCR_change_to |= SERIAL_6_DATA;
- break;
- case CS7:
- LCR_change_to |= SERIAL_7_DATA;
- break;
- default:
- case CS8:
- LCR_change_to |= SERIAL_8_DATA;
- break;
- }
-
- //Parity stuff
- if(cflag & PARENB)
- {
- if(cflag & PARODD)
- LCR_change_to |= SERIAL_ODD_PARITY;
- else
- LCR_change_to |= SERIAL_EVEN_PARITY;
- }
- if(cflag & CSTOPB)
- LCR_change_to |= SERIAL_TWO_STOPB;
- else
- LCR_change_to |= SERIAL_TWO_STOPB;
-
- mydbg("%s - 4\n", __FUNCTION__);
- //Thats the LCR stuff, go ahead and set it
- baud = tty_get_baud_rate(tty);
- if (!baud) {
- /* pick a default, any default... */
- baud = 9600;
- }
-
- mydbg("%s - got baud = %d\n", __FUNCTION__, baud);
-
-
- divisor = MAX_BAUD_RATE / baud;
- remainder = MAX_BAUD_RATE % baud;
- //Round to nearest divisor
- if(((remainder * 2) >= baud) && (baud != 110))
- divisor++;
-
- //Set Baud rate to default and turn off (default)flow control here
- status = BoxSetUart(serial, UartNumber, (unsigned short) divisor, LCR_change_to);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetUart failed\n");
- return;
- }
- //************************Now determine flow control
-
- if(cflag & CRTSCTS)
- {
- mydbg("%s - Enabling HW flow control port %d\n", __FUNCTION__, port->number);
-
- //Enable RTS/CTS flow control
- status = BoxSetHW_FlowCtrl(serial, UartNumber, 1);
-
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetHW_FlowCtrl failed\n");
- return;
- }
- }
- else
- {
- //Disable RTS/CTS flow control
- mydbg("%s - disabling HW flow control port %d\n", __FUNCTION__, port->number);
-
- status = BoxSetHW_FlowCtrl(serial, UartNumber, 0);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetHW_FlowCtrl failed\n");
- return;
- }
-
-
- }
-
- //*************************************************
- /* if we are implementing XON/XOFF, set the start and stop character in the device */
- if (I_IXOFF(tty) || I_IXON(tty))
- {
- unsigned char stop_char = STOP_CHAR(tty);
- unsigned char start_char = START_CHAR(tty);
- status = BoxSetSW_FlowCtrl(serial, UartNumber, stop_char, start_char);
- if(status < 0)
- mydbg(__FILE__"BoxSetSW_FlowCtrl (enabled) failed\n");
+ unsigned int cflag;
+ int baud, divisor, remainder;
+ unsigned char LCR_change_to = 0;
+ struct tty_struct *tty;
+ int status;
+ struct usb_serial *serial;
+ __u16 UartNumber;
+ __u16 tmp, tmp2;
+
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
+
+ tmp = port->tty->index;
+ mydbg("%s - MINOR(port->tty->index) = %d\n", __FUNCTION__, tmp);
+
+ serial = port->serial;
+ tmp2 = serial->minor;
+ mydbg("%s - serial->minor = %d\n", __FUNCTION__, tmp2);
+
+ UartNumber = port->tty->index - serial->minor;
+
+ tty = port->tty;
+
+ cflag = tty->termios->c_cflag;
+
+ if (old_termios) {
+ if ((cflag == old_termios->c_cflag)
+ && (RELEVANT_IFLAG(tty->termios->c_iflag) ==
+ RELEVANT_IFLAG(old_termios->c_iflag))) {
+ mydbg("%s - Nothing to change\n", __FUNCTION__);
+ return;
+ }
+
+ }
+
+ mydbg("%s - 3\n", __FUNCTION__);
+
+ switch (cflag) {
+ case CS5:
+ LCR_change_to |= SERIAL_5_DATA;
+ break;
+ case CS6:
+ LCR_change_to |= SERIAL_6_DATA;
+ break;
+ case CS7:
+ LCR_change_to |= SERIAL_7_DATA;
+ break;
+ default:
+ case CS8:
+ LCR_change_to |= SERIAL_8_DATA;
+ break;
+ }
+
+ //Parity stuff
+ if (cflag & PARENB) {
+ if (cflag & PARODD)
+ LCR_change_to |= SERIAL_ODD_PARITY;
+ else
+ LCR_change_to |= SERIAL_EVEN_PARITY;
+ }
+ if (cflag & CSTOPB)
+ LCR_change_to |= SERIAL_TWO_STOPB;
+ else
+ LCR_change_to |= SERIAL_TWO_STOPB;
+
+ mydbg("%s - 4\n", __FUNCTION__);
+ //Thats the LCR stuff, go ahead and set it
+ baud = tty_get_baud_rate(tty);
+ if (!baud) {
+ /* pick a default, any default... */
+ baud = 9600;
+ }
+
+ mydbg("%s - got baud = %d\n", __FUNCTION__, baud);
+
+ divisor = MAX_BAUD_RATE / baud;
+ remainder = MAX_BAUD_RATE % baud;
+ //Round to nearest divisor
+ if (((remainder * 2) >= baud) && (baud != 110))
+ divisor++;
+
+ //Set Baud rate to default and turn off (default)flow control here
+ status =
+ BoxSetUart(serial, UartNumber, (unsigned short)divisor,
+ LCR_change_to);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetUart failed\n");
+ return;
+ }
+ //************************Now determine flow control
- }
- else
- {
- //disable SW flow control
- status = BoxDisable_SW_FlowCtrl(serial, UartNumber);
- if(status < 0)
- mydbg(__FILE__"BoxSetSW_FlowCtrl (diabling) failed\n");
+ if (cflag & CRTSCTS) {
+ mydbg("%s - Enabling HW flow control port %d\n", __FUNCTION__,
+ port->number);
- }
+ //Enable RTS/CTS flow control
+ status = BoxSetHW_FlowCtrl(serial, UartNumber, 1);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetHW_FlowCtrl failed\n");
+ return;
+ }
+ } else {
+ //Disable RTS/CTS flow control
+ mydbg("%s - disabling HW flow control port %d\n", __FUNCTION__,
+ port->number);
+
+ status = BoxSetHW_FlowCtrl(serial, UartNumber, 0);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetHW_FlowCtrl failed\n");
+ return;
+ }
+
+ }
+ //*************************************************
+ /* if we are implementing XON/XOFF, set the start and stop character in the device */
+ if (I_IXOFF(tty) || I_IXON(tty)) {
+ unsigned char stop_char = STOP_CHAR(tty);
+ unsigned char start_char = START_CHAR(tty);
+ status =
+ BoxSetSW_FlowCtrl(serial, UartNumber, stop_char,
+ start_char);
+ if (status < 0)
+ mydbg(__FILE__ "BoxSetSW_FlowCtrl (enabled) failed\n");
+
+ } else {
+ //disable SW flow control
+ status = BoxDisable_SW_FlowCtrl(serial, UartNumber);
+ if (status < 0)
+ mydbg(__FILE__ "BoxSetSW_FlowCtrl (diabling) failed\n");
+
+ }
}
+
/****************************************************************************
* BoxGetRegister
* issuse a GET_REGISTER vendor-spcific request on the default control pipe
* If successful, fills in the pValue with the register value asked for
****************************************************************************/
-static int BoxGetRegister(struct usb_serial *serial, unsigned short Uart_Number,
- unsigned short Register_Num, __u8 *pValue )
+static int BoxGetRegister(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short Register_Num, __u8 * pValue)
{
- int result;
- __u16 current_length;
-
+ int result;
+ __u16 current_length;
- current_length = sizeof(struct qt_get_device_data);
+ current_length = sizeof(struct qt_get_device_data);
- result = usb_control_msg (serial->dev, usb_rcvctrlpipe(serial->dev, 0), QT_GET_SET_REGISTER,
- 0xC0, Register_Num, Uart_Number, (void *)pValue, sizeof(*pValue), 300);
+ result =
+ usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ QT_GET_SET_REGISTER, 0xC0, Register_Num,
+ Uart_Number, (void *)pValue, sizeof(*pValue), 300);
- return result;
+ return result;
}
+
/****************************************************************************
* BoxSetRegister
* issuse a GET_REGISTER vendor-spcific request on the default control pipe
* If successful, fills in the pValue with the register value asked for
****************************************************************************/
-static int BoxSetRegister(struct usb_serial *serial, unsigned short Uart_Number,
- unsigned short Register_Num, unsigned short Value )
+static int BoxSetRegister(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short Register_Num, unsigned short Value)
{
- int result;
- unsigned short RegAndByte;
-
+ int result;
+ unsigned short RegAndByte;
- RegAndByte = Value;
- RegAndByte = RegAndByte << 8;
- RegAndByte = RegAndByte + Register_Num;
+ RegAndByte = Value;
+ RegAndByte = RegAndByte << 8;
+ RegAndByte = RegAndByte + Register_Num;
// result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_GET_SET_REGISTER,
// 0xC0, Register_Num, Uart_Number, NULL, 0, 300);
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_GET_SET_REGISTER, 0x40, RegAndByte, Uart_Number,
+ NULL, 0, 300);
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_GET_SET_REGISTER,
- 0x40, RegAndByte, Uart_Number, NULL,0, 300);
-
-
- return result;
+ return result;
}
-
-
/**
* box_get_device
* Issue a GET_DEVICE vendor-specific request on the default control pipe If
* successful returns the number of bytes written, otherwise it returns a
* negative error number of the problem.
*/
-static int box_set_device(struct usb_serial *serial, struct qt_get_device_data *device_data)
+static int box_set_device(struct usb_serial *serial,
+ struct qt_get_device_data *device_data)
{
int result;
__u16 length;
__u16 PortSettings;
- PortSettings = ((__u16)(device_data->portb));
+ PortSettings = ((__u16) (device_data->portb));
PortSettings = (PortSettings << 8);
- PortSettings += ((__u16)(device_data->porta));
+ PortSettings += ((__u16) (device_data->porta));
length = sizeof(struct qt_get_device_data);
mydbg("%s - PortSettings = 0x%x\n", __FUNCTION__, PortSettings);
* purpose is to allow the device driver and the device to synchronize state information.
* OpenClose = 1 for open , 0 for close
****************************************************************************/
-static int BoxOPenCloseChannel(struct usb_serial *serial, __u16 Uart_Number, __u16 OpenClose, struct qt_open_channel_data *pDeviceData)
+static int BoxOPenCloseChannel(struct usb_serial *serial, __u16 Uart_Number,
+ __u16 OpenClose,
+ struct qt_open_channel_data *pDeviceData)
{
- int result;
- __u16 length;
- __u8 Direcion;
- unsigned int pipe;
- length = sizeof(struct qt_open_channel_data);
-
- if (OpenClose == 1) //IF OPENING
- {
- Direcion = USBD_TRANSFER_DIRECTION_IN;
- pipe = usb_rcvctrlpipe(serial->dev, 0);
- result = usb_control_msg (serial->dev, pipe, QT_OPEN_CLOSE_CHANNEL,
- Direcion, OpenClose, Uart_Number, pDeviceData, length, 300);
-
-
- }
- else
- {
- Direcion = USBD_TRANSFER_DIRECTION_OUT;
- pipe = usb_sndctrlpipe(serial->dev, 0);
- result = usb_control_msg (serial->dev, pipe, QT_OPEN_CLOSE_CHANNEL,
- Direcion, OpenClose, Uart_Number, NULL, 0, 300);
-
- }
+ int result;
+ __u16 length;
+ __u8 Direcion;
+ unsigned int pipe;
+ length = sizeof(struct qt_open_channel_data);
+ if (OpenClose == 1) //IF OPENING
+ {
+ Direcion = USBD_TRANSFER_DIRECTION_IN;
+ pipe = usb_rcvctrlpipe(serial->dev, 0);
+ result =
+ usb_control_msg(serial->dev, pipe, QT_OPEN_CLOSE_CHANNEL,
+ Direcion, OpenClose, Uart_Number,
+ pDeviceData, length, 300);
+
+ } else {
+ Direcion = USBD_TRANSFER_DIRECTION_OUT;
+ pipe = usb_sndctrlpipe(serial->dev, 0);
+ result =
+ usb_control_msg(serial->dev, pipe, QT_OPEN_CLOSE_CHANNEL,
+ Direcion, OpenClose, Uart_Number, NULL, 0,
+ 300);
+ }
- return result;
+ return result;
}
/****************************************************************************
return result;
}
-
-
/****************************************************************************
* BoxSetATC
TELLS BOX WHEN TO ASSERT automatic transmitter control
****************************************************************************/
static int BoxSetATC(struct usb_serial *serial, __u16 n_Mode)
{
- int result;
- __u16 buffer_length;
-
+ int result;
+ __u16 buffer_length;
- buffer_length = PREFUFF_LEVEL_CONSERVATIVE;
+ buffer_length = PREFUFF_LEVEL_CONSERVATIVE;
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_SET_ATF,
- 0x40, n_Mode, 0, NULL, 0, 300);
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_SET_ATF, 0x40, n_Mode, 0, NULL, 0, 300);
- return result;
+ return result;
}
/****************************************************************************
* issuse a SET_UART vendor-spcific request on the default control pipe
* If successful sets baud rate divisor and LCR value
****************************************************************************/
-static int BoxSetUart(struct usb_serial *serial, unsigned short Uart_Number,
- unsigned short default_divisor, unsigned char default_LCR )
+static int BoxSetUart(struct usb_serial *serial, unsigned short Uart_Number,
+ unsigned short default_divisor, unsigned char default_LCR)
{
- int result;
- unsigned short UartNumandLCR;
+ int result;
+ unsigned short UartNumandLCR;
- UartNumandLCR = (default_LCR << 8) + Uart_Number;
+ UartNumandLCR = (default_LCR << 8) + Uart_Number;
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_GET_SET_UART,
- 0x40, default_divisor, UartNumandLCR, NULL, 0, 300);
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_GET_SET_UART, 0x40, default_divisor,
+ UartNumandLCR, NULL, 0, 300);
- return result;
+ return result;
}
-
-static int BoxSetHW_FlowCtrl(struct usb_serial *serial, unsigned int UartNumber, int bSet)
+static int BoxSetHW_FlowCtrl(struct usb_serial *serial, unsigned int UartNumber,
+ int bSet)
{
- __u8 MCR_Value = 0;
- __u8 MSR_Value = 0, MOUT_Value = 0;
- struct usb_serial_port *port;
- unsigned int status;
+ __u8 MCR_Value = 0;
+ __u8 MSR_Value = 0, MOUT_Value = 0;
+ struct usb_serial_port *port;
+ unsigned int status;
- port = serial->port;
+ port = serial->port;
- if (bSet == 1)
- {
- MCR_Value = SERIAL_MCR_RTS; //flow control, box will clear RTS line to prevent remote
- } //device from xmitting more chars
- else
- { //no flow control to remote device
- MCR_Value = 0;
+ if (bSet == 1) {
+ MCR_Value = SERIAL_MCR_RTS; //flow control, box will clear RTS line to prevent remote
+ } //device from xmitting more chars
+ else { //no flow control to remote device
+ MCR_Value = 0;
- }
- MOUT_Value = MCR_Value << 8;
-
-
- if(bSet == 1)
- {
- MSR_Value = SERIAL_MSR_CTS; //flow control, box will inhibit xmit data if CTS line is asserted
- }
- else
- {
- MSR_Value = 0; //Box will not inhimbe xmit data due to CTS line
- }
- MOUT_Value |= MSR_Value;
+ }
+ MOUT_Value = MCR_Value << 8;
+ if (bSet == 1) {
+ MSR_Value = SERIAL_MSR_CTS; //flow control, box will inhibit xmit data if CTS line is asserted
+ } else {
+ MSR_Value = 0; //Box will not inhimbe xmit data due to CTS line
+ }
+ MOUT_Value |= MSR_Value;
- status = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_HW_FLOW_CONTROL_MASK,
- 0x40, MOUT_Value, UartNumber, NULL, 0, 300);
- return status;
+ status =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_HW_FLOW_CONTROL_MASK, 0x40, MOUT_Value,
+ UartNumber, NULL, 0, 300);
+ return status;
}
-static int BoxSetSW_FlowCtrl(struct usb_serial *serial, __u16 UartNumber, unsigned char stop_char, unsigned char start_char)
+static int BoxSetSW_FlowCtrl(struct usb_serial *serial, __u16 UartNumber,
+ unsigned char stop_char, unsigned char start_char)
{
- __u16 nSWflowout;
- int result;
+ __u16 nSWflowout;
+ int result;
- nSWflowout = start_char << 8;
- nSWflowout = (unsigned short)stop_char;
+ nSWflowout = start_char << 8;
+ nSWflowout = (unsigned short)stop_char;
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_SW_FLOW_CONTROL_MASK,
- 0x40, nSWflowout, UartNumber, NULL, 0, 300);
- return result;
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_SW_FLOW_CONTROL_MASK, 0x40, nSWflowout,
+ UartNumber, NULL, 0, 300);
+ return result;
}
static int BoxDisable_SW_FlowCtrl(struct usb_serial *serial, __u16 UartNumber)
{
- int result;
-
+ int result;
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_SW_FLOW_CONTROL_DISABLE,
- 0x40, 0, UartNumber, NULL, 0, 300);
- return result;
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_SW_FLOW_CONTROL_DISABLE, 0x40, 0, UartNumber,
+ NULL, 0, 300);
+ return result;
}
-
/*****************************************************************************
* SerialThrottle
* this function is called by the tty driver when it wants to stop the data
* being read from the port.
*****************************************************************************/
-
-static void serial_throttle (struct tty_struct * tty)
+static void serial_throttle(struct tty_struct *tty)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- mydbg("%s - port %d\n", __FUNCTION__, port->number);
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ mydbg("%s - port %d\n", __FUNCTION__, port->number);
if (!serial)
return;
- down (&port->sem);
-
+ down(&port->sem);
if (!port->open_count) {
- mydbg ("%s - port not open\n", __FUNCTION__);
+ mydbg("%s - port not open\n", __FUNCTION__);
goto exit;
}
- //shut down any bulk reads that may be going on
-// usb_unlink_urb (port->read_urb);
+ //shut down any bulk reads that may be going on
+// usb_unlink_urb (port->read_urb);
/* pass on to the driver specific version of this function */
- port->RxHolding = 1;
- mydbg("%s - port->RxHolding = 1\n", __FUNCTION__);
-
+ port->RxHolding = 1;
+ mydbg("%s - port->RxHolding = 1\n", __FUNCTION__);
exit:
- up (&port->sem);
- return;
+ up(&port->sem);
+ return;
}
-static void serial_unthrottle (struct tty_struct * tty)
+static void serial_unthrottle(struct tty_struct *tty)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- unsigned int result;
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ unsigned int result;
if (!serial)
return;
- down (&port->sem);
+ down(&port->sem);
mydbg("%s - port %d\n", __FUNCTION__, port->number);
if (!port->open_count) {
- mydbg ("%s - port not open\n", __FUNCTION__);
+ mydbg("%s - port not open\n", __FUNCTION__);
goto exit;
}
- if(port->RxHolding == 1)
- {
- mydbg ("%s -port->RxHolding == 1\n", __FUNCTION__);
-
- port->RxHolding = 0;
- mydbg ("%s - port->RxHolding = 0\n", __FUNCTION__);
-
- /* if we have a bulk endpoint, start it up */
- if ((serial->num_bulk_in) && (port->ReadBulkStopped == 1))
- {
- /* Start reading from the device */
- usb_fill_bulk_urb (port->read_urb, serial->dev,
- usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
- port->read_urb->transfer_buffer,
- port->read_urb->transfer_buffer_length,
- qt_read_bulk_callback,
- port);
- result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
- if (result)
- err("%s - failed restarting read urb, error %d", __FUNCTION__, result);
- }
- }
- exit:
- up (&port->sem);
- return;
-
-
+ if (port->RxHolding == 1) {
+ mydbg("%s -port->RxHolding == 1\n", __FUNCTION__);
+
+ port->RxHolding = 0;
+ mydbg("%s - port->RxHolding = 0\n", __FUNCTION__);
+
+ /* if we have a bulk endpoint, start it up */
+ if ((serial->num_bulk_in) && (port->ReadBulkStopped == 1)) {
+ /* Start reading from the device */
+ usb_fill_bulk_urb(port->read_urb, serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ port->
+ bulk_in_endpointAddress),
+ port->read_urb->transfer_buffer,
+ port->read_urb->
+ transfer_buffer_length,
+ qt_read_bulk_callback, port);
+ result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+ if (result)
+ err("%s - failed restarting read urb, error %d",
+ __FUNCTION__, result);
+ }
+ }
+exit:
+ up(&port->sem);
+ return;
}
-
-static int serial_break (struct tty_struct *tty, int break_state)
+static int serial_break(struct tty_struct *tty, int break_state)
{
- struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
- struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
- __u16 UartNumber, Break_Value;
- unsigned int result;
+ struct usb_serial_port *port =
+ (struct usb_serial_port *)tty->driver_data;
+ struct usb_serial *serial = get_usb_serial(port, __FUNCTION__);
+ __u16 UartNumber, Break_Value;
+ unsigned int result;
- UartNumber = port->tty->index - serial->minor;
+ UartNumber = port->tty->index - serial->minor;
if (!serial)
return -ENODEV;
- if(break_state == -1)
- Break_Value = 1;
- else
- Break_Value = 0;
+ if (break_state == -1)
+ Break_Value = 1;
+ else
+ Break_Value = 0;
- down (&port->sem);
+ down(&port->sem);
mydbg("%s - port %d\n", __FUNCTION__, port->number);
goto exit;
}
- result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), QT_BREAK_CONTROL,
- 0x40, Break_Value, UartNumber, NULL, 0, 300);
+ result =
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ QT_BREAK_CONTROL, 0x40, Break_Value, UartNumber,
+ NULL, 0, 300);
exit:
- up (&port->sem);
+ up(&port->sem);
return 0;
}
-
-
-
-static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int serial_read_proc(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
struct usb_serial *serial;
int length = 0;
off_t begin = 0;
mydbg("%s\n", __FUNCTION__);
- length += sprintf (page, "usbserinfo:1.0 driver:%s\n", DRIVER_VERSION);
+ length += sprintf(page, "usbserinfo:1.0 driver:%s\n", DRIVER_VERSION);
for (i = 0; i < SERIAL_TTY_MINORS && length < PAGE_SIZE; ++i) {
serial = get_serial_by_minor(i);
if (serial == NULL)
continue;
- length += sprintf (page+length, "%d:\n", i);
- length += sprintf (page+length, " vendor:%04x product:%04x\n", serial->vendor, serial->product);
- length += sprintf (page+length, " num_ports:%d\n", serial->num_ports);
- length += sprintf (page+length, " port:%d\n", i - serial->minor + 1);
+ length += sprintf(page + length, "%d:\n", i);
+ length +=
+ sprintf(page + length, " vendor:%04x product:%04x\n",
+ serial->vendor, serial->product);
+ length +=
+ sprintf(page + length, " num_ports:%d\n",
+ serial->num_ports);
+ length +=
+ sprintf(page + length, " port:%d\n", i - serial->minor + 1);
-// usb_make_path(serial->dev, tmp, sizeof(tmp));
-// length += sprintf (page+length, " path:%s", tmp);
+// usb_make_path(serial->dev, tmp, sizeof(tmp));
+// length += sprintf (page+length, " path:%s", tmp);
- length += sprintf (page+length, "\n");
+ length += sprintf(page + length, "\n");
if ((length + begin) > (off + count))
goto done;
if ((length + begin) < off) {
done:
if (off >= (length + begin))
return 0;
- *start = page + (off-begin);
- return ((count < begin+length-off) ? count : begin+length-off);
+ *start = page + (off - begin);
+ return ((count < begin + length - off) ? count : begin + length - off);
}
-
-
-int ioctl_serial_usb (struct inode *innod, struct file *filp, unsigned int cmd,
- unsigned long arg)
+int ioctl_serial_usb(struct inode *innod, struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
- unsigned err;
- unsigned ucOPR_NewValue, uc_Value;
- int *p_Num_of_adapters, counts, index, *p_QMCR_Value;
- struct identity *p_Identity_of;
- struct identity Identity_of;
- struct usb_serial *lastserial, *serial;
-
- mydbg(KERN_DEBUG"ioctl_serial_usb cmd =\n");
- if (_IOC_TYPE(cmd) != SERIALQT_PCI_IOC_MAGIC)
- return -ENOTTY;
- if (_IOC_NR(cmd) > SERIALQT_IOC_MAXNR)
- return -ENOTTY;
- mydbg(KERN_DEBUG"ioctl_serial_usb cmd = 0x%x\n", cmd);
- err = 0;
- switch (cmd)
- {
-
-
- case SERIALQT_WRITE_QMCR:
- err = -ENOTTY; //initialize as error so if we don't find this one we give//an error.
- index = arg >> 16;
- counts = 0;
-
- ucOPR_NewValue = arg;
-
-
- err = EmulateWriteQMCR_Reg(index, ucOPR_NewValue);
- break;
-
- case SERIALQT_READ_QMCR:
- err = -ENOTTY; //initialize as error so if we don't find this one we give
- //an error.
- p_QMCR_Value = (int *)arg;
- index = arg >> 16;
- counts = 0;
-
-
-
- err = EmulateReadQMCR_Reg(index, &uc_Value);
- if (err == 0)
- {
- err = put_user(uc_Value, p_QMCR_Value);
- }
- break;
-
- case SERIALQT_GET_NUMOF_UNITS:
- p_Num_of_adapters = (int *)arg;
- counts = 0; //Initialize counts to zero
- //struct usb_serial *lastserial = serial_table[0], *serial;
- lastserial = serial_table[0];
-
- mydbg(KERN_DEBUG"SERIALQT_GET_NUMOF_UNITS \n");
- //if first pointer is nonull, we at least have one box
- if(lastserial)
- counts = 1; //we at least have one box
-
- for (index = 1; index < SERIAL_TTY_MINORS ; index++)
- {
- serial = serial_table[index];
- if(serial)
- {
- if(serial != lastserial)
- {
- //we had a change in the array, hence another box is there
- lastserial = serial;
- counts++;
- }
- }
- else
- break;
- }
-
- mydbg(KERN_DEBUG"ioctl_serial_usb writting counts = %d", counts);
-
- err = put_user(counts, p_Num_of_adapters);
-
-
- break;
- case SERIALQT_GET_THIS_UNIT:
- counts = 0;
- p_Identity_of = (struct identity *)arg;
- //copy user structure to local variable
- get_user(Identity_of.index, &p_Identity_of->index);
- mydbg(KERN_DEBUG"SERIALQT_GET_THIS_UNIT Identity_of.index\n");
- mydbg(KERN_DEBUG"SERIALQT_GET_THIS_UNIT Identity_of.index= 0x%x\n", Identity_of.index);
-
- err = -ENOTTY; //initialize as error so if we don't find this one we give
- //an error.
- serial = find_the_box(Identity_of.index);
- if(serial)
- {
- err = put_user(serial->product, &p_Identity_of->n_identity);
+ unsigned err;
+ unsigned ucOPR_NewValue, uc_Value;
+ int *p_Num_of_adapters, counts, index, *p_QMCR_Value;
+ struct identity *p_Identity_of;
+ struct identity Identity_of;
+ struct usb_serial *lastserial, *serial;
+
+ mydbg(KERN_DEBUG "ioctl_serial_usb cmd =\n");
+ if (_IOC_TYPE(cmd) != SERIALQT_PCI_IOC_MAGIC)
+ return -ENOTTY;
+ if (_IOC_NR(cmd) > SERIALQT_IOC_MAXNR)
+ return -ENOTTY;
+ mydbg(KERN_DEBUG "ioctl_serial_usb cmd = 0x%x\n", cmd);
+ err = 0;
+ switch (cmd) {
+
+ case SERIALQT_WRITE_QMCR:
+ err = -ENOTTY; //initialize as error so if we don't find this one we give//an error.
+ index = arg >> 16;
+ counts = 0;
+
+ ucOPR_NewValue = arg;
+
+ err = EmulateWriteQMCR_Reg(index, ucOPR_NewValue);
+ break;
+
+ case SERIALQT_READ_QMCR:
+ err = -ENOTTY; //initialize as error so if we don't find this one we give
+ //an error.
+ p_QMCR_Value = (int *)arg;
+ index = arg >> 16;
+ counts = 0;
+
+ err = EmulateReadQMCR_Reg(index, &uc_Value);
+ if (err == 0) {
+ err = put_user(uc_Value, p_QMCR_Value);
+ }
+ break;
+
+ case SERIALQT_GET_NUMOF_UNITS:
+ p_Num_of_adapters = (int *)arg;
+ counts = 0; //Initialize counts to zero
+ //struct usb_serial *lastserial = serial_table[0], *serial;
+ lastserial = serial_table[0];
+
+ mydbg(KERN_DEBUG "SERIALQT_GET_NUMOF_UNITS \n");
+ //if first pointer is nonull, we at least have one box
+ if (lastserial)
+ counts = 1; //we at least have one box
+
+ for (index = 1; index < SERIAL_TTY_MINORS; index++) {
+ serial = serial_table[index];
+ if (serial) {
+ if (serial != lastserial) {
+ //we had a change in the array, hence another box is there
+ lastserial = serial;
+ counts++;
+ }
+ } else
+ break;
+ }
- }
- break;
+ mydbg(KERN_DEBUG "ioctl_serial_usb writting counts = %d",
+ counts);
+
+ err = put_user(counts, p_Num_of_adapters);
+
+ break;
+ case SERIALQT_GET_THIS_UNIT:
+ counts = 0;
+ p_Identity_of = (struct identity *)arg;
+ //copy user structure to local variable
+ get_user(Identity_of.index, &p_Identity_of->index);
+ mydbg(KERN_DEBUG "SERIALQT_GET_THIS_UNIT Identity_of.index\n");
+ mydbg(KERN_DEBUG
+ "SERIALQT_GET_THIS_UNIT Identity_of.index= 0x%x\n",
+ Identity_of.index);
+
+ err = -ENOTTY; //initialize as error so if we don't find this one we give
+ //an error.
+ serial = find_the_box(Identity_of.index);
+ if (serial) {
+ err =
+ put_user(serial->product,
+ &p_Identity_of->n_identity);
- case SERIALQT_IS422_EXTENDED:
- err = -ENOTTY; //initialize as error so if we don't find this one we give
- mydbg(KERN_DEBUG"SERIALQT_IS422_EXTENDED \n");
- //an error.
- index = arg >> 16;
+ }
+ break;
+
+ case SERIALQT_IS422_EXTENDED:
+ err = -ENOTTY; //initialize as error so if we don't find this one we give
+ mydbg(KERN_DEBUG "SERIALQT_IS422_EXTENDED \n");
+ //an error.
+ index = arg >> 16;
+
+ counts = 0;
+
+ mydbg(KERN_DEBUG
+ "SERIALQT_IS422_EXTENDED, looking Identity_of.indext = 0x%x\n",
+ index);
+ serial = find_the_box(index);
+ if (serial) {
+ mydbg("%s index = 0x%x, serial = 0x%p\n", __FUNCTION__,
+ index, serial);
+ for (counts = 0; serqt_422_table[counts] != 0; counts++) {
+
+ mydbg
+ ("%s serial->product = = 0x%x, serqt_422_table[counts] = 0x%x\n",
+ __FUNCTION__, serial->product,
+ serqt_422_table[counts]);
+ if (serial->product == serqt_422_table[counts]) {
+ err = 0;
+
+ mydbg
+ ("%s found match for 422extended\n",
+ __FUNCTION__);
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ err = -ENOTTY;
- counts = 0;
+ } //End switch
- mydbg(KERN_DEBUG"SERIALQT_IS422_EXTENDED, looking Identity_of.indext = 0x%x\n",index);
- serial = find_the_box(index);
- if(serial)
- {
- mydbg("%s index = 0x%x, serial = 0x%p\n", __FUNCTION__, index, serial);
- for (counts = 0; serqt_422_table[counts] != 0; counts++)
- {
+ mydbg("%s returning err = 0x%x\n", __FUNCTION__, err);
+ return err;
+}
- mydbg("%s serial->product = = 0x%x, serqt_422_table[counts] = 0x%x\n", __FUNCTION__, serial->product, serqt_422_table[counts]);
- if(serial->product == serqt_422_table[counts])
- {
- err = 0;
+static struct usb_serial *find_the_box(unsigned int index)
+{
+ struct usb_serial *lastserial, *foundserial, *serial;
+ int counts = 0, index2;
+ lastserial = serial_table[0];
+ foundserial = NULL;
+ for (index2 = 0; index2 < SERIAL_TTY_MINORS; index2++) {
+ serial = serial_table[index2];
+
+ mydbg("%s index = 0x%x, index2 = 0x%x, serial = 0x%p\n",
+ __FUNCTION__, index, index2, serial);
+
+ if (serial) {
+ //first see if this is the unit we'er looking for
+ mydbg
+ ("%s inside if(serial) counts = 0x%x , index = 0x%x\n",
+ __FUNCTION__, counts, index);
+ if (counts == index) {
+ //we found the one we're looking for, copythe product Id to user
+
+ mydbg
+ ("%s we found the one we're looking for serial = 0x%p\n",
+ __FUNCTION__, serial);
+ foundserial = serial;
+ break;
+ }
+
+ if (serial != lastserial) {
+ //when we have a change in the pointer
+ lastserial = serial;
+ counts++;
+ }
+ } else
+ break; // no matches
+ }
- mydbg("%s found match for 422extended\n", __FUNCTION__);
- break;
- }
- }
- }
- break;
+ mydbg("%s returning foundserial = 0x%p\n", __FUNCTION__, foundserial);
+ return foundserial;
+}
+static int EmulateWriteQMCR_Reg(int index, unsigned uc_value)
+{
+ __u16 ATC_Mode = 0;
+ struct usb_serial *serial;
+ int status;
+ struct qt_get_device_data DeviceData;
+ unsigned uc_temp = 0;
+ mydbg("Inside %s, uc_value = 0x%x\n", __FUNCTION__, uc_value);
+
+ DeviceData.porta = 0;
+ DeviceData.portb = 0;
+ serial = find_the_box(index);
+ //Determine Duplex mode
+ if (!(serial))
+ return -ENOTTY;
+ status = box_get_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_set_device failed\n");
+ return status;
+ }
+ uc_temp = uc_value & QMCR_HALF_DUPLEX_MASK;
+ switch (uc_temp) {
+ case QMCR_FULL_DUPLEX:
+ DeviceData.porta &= ~DUPMODE_BITS;
+ DeviceData.porta |= FULL_DUPLEX;
+ ATC_Mode = ATC_DISABLED;
+ break;
+ case QMCR_HALF_DUPLEX_RTS:
+ DeviceData.porta &= ~DUPMODE_BITS;
+ DeviceData.porta |= HALF_DUPLEX_RTS;
+ ATC_Mode = ATC_RTS_ENABLED;
+ break;
+ case QMCR_HALF_DUPLEX_DTR:
+ DeviceData.porta &= ~DUPMODE_BITS;
+ DeviceData.porta |= HALF_DUPLEX_DTR;
+ ATC_Mode = ATC_DTR_ENABLED;
+ break;
+ default:
+ break;
+ }
- default:
- err = -ENOTTY;
+ uc_temp = uc_value & QMCR_CONNECTOR_MASK;
+ switch (uc_temp) {
+ case QMCR_MODEM_CONTROL:
+ DeviceData.portb &= ~LOOPMODE_BITS; //reset connection bits
+ DeviceData.portb |= MODEM_CTRL;
+ break;
+ case QMCR_ALL_LOOPBACK:
+ DeviceData.portb &= ~LOOPMODE_BITS; //reset connection bits
+ DeviceData.portb |= ALL_LOOPBACK;
+ break;
+ }
+ mydbg(__FILE__ "Calling box_set_device with failed\n");
+ status = box_set_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_set_device failed\n");
+ return status;
+ }
+ if (uc_value & QMCR_RX_EN_MASK) //This bit (otherwise unused) i'll used to detect whether ATC is selected
+ {
+ mydbg(__FILE__
+ "calling BoxsetATC with DeviceData.porta = 0x%x and DeviceData.portb = 0x%x\n",
+ DeviceData.porta, DeviceData.portb);
+ status = BoxSetATC(serial, ATC_Mode);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetATC failed\n");
+ return status;
+ }
+ } else {
+
+ mydbg(__FILE__
+ "calling BoxsetATC with DeviceData.porta = 0x%x and DeviceData.portb = 0x%x\n",
+ DeviceData.porta, DeviceData.portb);
+ status = BoxSetATC(serial, ATC_DISABLED);
+ if (status < 0) {
+ mydbg(__FILE__ "BoxSetATC failed\n");
+ return status;
+ }
+ }
- } //End switch
+ return 0;
- mydbg("%s returning err = 0x%x\n", __FUNCTION__, err);
- return err;
}
+static int EmulateReadQMCR_Reg(int index, unsigned *uc_value)
+{
+ struct usb_serial *serial;
+ int status;
+ struct qt_get_device_data DeviceData;
+ __u8 uc_temp;
+ *uc_value = 0;
-static struct usb_serial *find_the_box(unsigned int index)
-{
- struct usb_serial *lastserial, *foundserial, *serial;
- int counts = 0, index2;
- lastserial = serial_table[0];
- foundserial = NULL;
- for (index2 = 0; index2 < SERIAL_TTY_MINORS ; index2++)
- {
- serial = serial_table[index2];
-
- mydbg("%s index = 0x%x, index2 = 0x%x, serial = 0x%p\n", __FUNCTION__, index, index2, serial);
-
- if(serial)
- {
- //first see if this is the unit we'er looking for
- mydbg("%s inside if(serial) counts = 0x%x , index = 0x%x\n", __FUNCTION__, counts, index);
- if(counts == index)
- {
- //we found the one we're looking for, copythe product Id to user
-
- mydbg("%s we found the one we're looking for serial = 0x%p\n", __FUNCTION__, serial);
- foundserial = serial;
- break;
- }
-
- if(serial != lastserial)
- {
- //when we have a change in the pointer
- lastserial = serial;
- counts++;
- }
- }
- else
- break; // no matches
- }
-
- mydbg("%s returning foundserial = 0x%p\n", __FUNCTION__, foundserial);
- return foundserial;
-}
+ serial = find_the_box(index);
+ if (!(serial))
+ return -ENOTTY;
+ status = box_get_device(serial, &DeviceData);
+ if (status < 0) {
+ mydbg(__FILE__ "box_get_device failed\n");
+ return status;
+ }
+ uc_temp = DeviceData.porta & DUPMODE_BITS;
+ switch (uc_temp) {
+ case FULL_DUPLEX:
+ *uc_value |= QMCR_FULL_DUPLEX;
+ break;
+ case HALF_DUPLEX_RTS:
+ *uc_value |= QMCR_HALF_DUPLEX_RTS;
+ break;
+ case HALF_DUPLEX_DTR:
+ *uc_value |= QMCR_HALF_DUPLEX_DTR;
+ break;
+ default:
+ break;
+ }
+ uc_temp = DeviceData.portb & LOOPMODE_BITS; //I use this for ATC control se
- static int EmulateWriteQMCR_Reg(int index, unsigned uc_value)
- {
-
- __u16 ATC_Mode = 0;
- struct usb_serial *serial;
- int status;
- struct qt_get_device_data DeviceData;
- unsigned uc_temp = 0;
- mydbg("Inside %s, uc_value = 0x%x\n", __FUNCTION__, uc_value);
-
- DeviceData.porta = 0;
- DeviceData.portb = 0;
- serial = find_the_box(index);
- //Determine Duplex mode
- if(!(serial))
- return -ENOTTY;
- status = box_get_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_set_device failed\n");
- return status;
- }
-
- uc_temp = uc_value & QMCR_HALF_DUPLEX_MASK;
- switch (uc_temp)
- {
- case QMCR_FULL_DUPLEX:
- DeviceData.porta &= ~DUPMODE_BITS;
- DeviceData.porta |= FULL_DUPLEX;
- ATC_Mode = ATC_DISABLED;
- break;
- case QMCR_HALF_DUPLEX_RTS:
- DeviceData.porta &= ~DUPMODE_BITS;
- DeviceData.porta |= HALF_DUPLEX_RTS;
- ATC_Mode = ATC_RTS_ENABLED;
- break;
- case QMCR_HALF_DUPLEX_DTR:
- DeviceData.porta &= ~DUPMODE_BITS;
- DeviceData.porta |= HALF_DUPLEX_DTR;
- ATC_Mode = ATC_DTR_ENABLED;
- break;
- default:
- break;
- }
-
- uc_temp = uc_value & QMCR_CONNECTOR_MASK;
- switch (uc_temp)
- {
- case QMCR_MODEM_CONTROL:
- DeviceData.portb &= ~LOOPMODE_BITS; //reset connection bits
- DeviceData.portb |= MODEM_CTRL;
- break;
- case QMCR_ALL_LOOPBACK:
- DeviceData.portb &= ~LOOPMODE_BITS; //reset connection bits
- DeviceData.portb |= ALL_LOOPBACK;
- break;
- }
-
- mydbg(__FILE__"Calling box_set_device with failed\n");
- status = box_set_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_set_device failed\n");
- return status;
- }
-
- if(uc_value & QMCR_RX_EN_MASK) //This bit (otherwise unused) i'll used to detect whether ATC is selected
- {
-
- mydbg(__FILE__"calling BoxsetATC with DeviceData.porta = 0x%x and DeviceData.portb = 0x%x\n", DeviceData.porta, DeviceData.portb);
- status = BoxSetATC(serial, ATC_Mode);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetATC failed\n");
- return status;
- }
- }
- else
- {
-
- mydbg(__FILE__"calling BoxsetATC with DeviceData.porta = 0x%x and DeviceData.portb = 0x%x\n", DeviceData.porta, DeviceData.portb);
- status = BoxSetATC(serial, ATC_DISABLED);
- if (status < 0)
- {
- mydbg(__FILE__"BoxSetATC failed\n");
- return status;
- }
- }
-
-
- return 0;
-
- }
+ switch (uc_temp) {
+ case ALL_LOOPBACK:
+ *uc_value |= QMCR_ALL_LOOPBACK;
+ break;
+ case MODEM_CTRL:
+ *uc_value |= QMCR_MODEM_CONTROL;
+ break;
+ default:
+ break;
+ }
+ return 0;
-static int EmulateReadQMCR_Reg(int index, unsigned *uc_value)
-{
- struct usb_serial *serial;
- int status;
- struct qt_get_device_data DeviceData;
- __u8 uc_temp;
-
- *uc_value = 0;
-
- serial = find_the_box(index);
- if(!(serial))
- return -ENOTTY;
-
- status = box_get_device(serial, &DeviceData);
- if (status < 0)
- {
- mydbg(__FILE__"box_get_device failed\n");
- return status;
- }
- uc_temp = DeviceData.porta & DUPMODE_BITS;
- switch (uc_temp)
- {
- case FULL_DUPLEX:
- *uc_value |= QMCR_FULL_DUPLEX;
- break;
- case HALF_DUPLEX_RTS:
- *uc_value |= QMCR_HALF_DUPLEX_RTS;
- break;
- case HALF_DUPLEX_DTR:
- *uc_value |= QMCR_HALF_DUPLEX_DTR;
- break;
- default:
- break;
- }
-
- uc_temp = DeviceData.portb & LOOPMODE_BITS; //I use this for ATC control se
-
- switch (uc_temp)
- {
- case ALL_LOOPBACK:
- *uc_value |= QMCR_ALL_LOOPBACK;
- break;
- case MODEM_CTRL:
- *uc_value |= QMCR_MODEM_CONTROL;
- break;
- default:
- break;
-
- }
- return 0;
-
-
- }
+}
static int __init serqt_usb_init(void)
{
/* register this driver with the USB subsystem */
result = usb_register(&serqt_usb_driver);
if (result < 0) {
- err("usb_register failed for the "__FILE__" driver. Error number %d", result);
+ err("usb_register failed for the " __FILE__
+ " driver. Error number %d", result);
return result;
}
- status = 0; // Dynamic assignment of major number
- major_number = register_chrdev(status, "SerialQT_USB", &serialqt_usb_fops);
+ status = 0; // Dynamic assignment of major number
+ major_number =
+ register_chrdev(status, "SerialQT_USB", &serialqt_usb_fops);
if (major_number < 0) {
- mydbg(KERN_DEBUG"No devices found \n\n");
+ mydbg(KERN_DEBUG "No devices found \n\n");
return -EBUSY;
} else
- mydbg(KERN_DEBUG"SerQT_USB major number assignment = %d \n\n", major_number);
+ mydbg(KERN_DEBUG "SerQT_USB major number assignment = %d \n\n",
+ major_number);
printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION);
return 0;
static void __exit serqt_usb_exit(void)
{
- /* deregister this driver with the USB subsystem */
- usb_deregister(&serqt_usb_driver);
- tty_unregister_driver(&serial_tty_driver);
- unregister_chrdev(major_number, "SerialQT_USB");
+ /* deregister this driver with the USB subsystem */
+ usb_deregister(&serqt_usb_driver);
+ tty_unregister_driver(&serial_tty_driver);
+ unregister_chrdev(major_number, "SerialQT_USB");
}
module_init(serqt_usb_init);
projects / linux-2.6-omap-h63xx.git / commitdiff