* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-
/*************************************************************************
*** --------------------------------------------------------------------
***
/* all file inclusion goes here */
-
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <asm/uaccess.h>
-
#define KERNEL_2_6 1
#include <linux/usb/serial.h>
-#include "aten2011.h" /* ATEN2011 Defines */
+#include "aten2011.h" /* ATEN2011 Defines */
#include "aten2011_16C50.h" /* 16C50 UART defines */
/* all defines goes here */
#define ATEN_DEBUG 0
#ifdef ATEN_DEBUG
- static int debug = 0;
- #define DPRINTK(fmt, args...) printk( "%s: " fmt, __FUNCTION__ , ## args)
+static int debug = 0;
+#define DPRINTK(fmt, args...) printk( "%s: " fmt, __FUNCTION__ , ## args)
#else
- static int debug = 0;
- #define DPRINTK(fmt, args...)
+static int debug = 0;
+#define DPRINTK(fmt, args...)
#endif
//#undef DPRINTK
-// #define DPRINTK(fmt, args...)
-
-
-
+// #define DPRINTK(fmt, args...)
/*
* Version Information
* Defines used for sending commands to port
*/
-#define WAIT_FOR_EVER (HZ * 0 ) /* timeout urb is wait for ever*/
-#define ATEN_WDR_TIMEOUT (HZ * 5 ) /* default urb timeout */
+#define WAIT_FOR_EVER (HZ * 0 ) /* timeout urb is wait for ever */
+#define ATEN_WDR_TIMEOUT (HZ * 5 ) /* default urb timeout */
#define ATEN_PORT1 0x0200
#define ATEN_PORT2 0x0300
#define ATEN_CTRL_TIMEOUT 500
#define VENDOR_READ_LENGTH (0x01)
-
int ATEN2011_Thr_cnt;
//int ATEN2011_spectrum_2or4ports; //this says the number of ports in the device
//int NoOfOpenPorts;
-int RS485mode=0; //set to 1 for RS485 mode and 0 for RS232 mode
-
-static struct usb_serial* ATEN2011_get_usb_serial (struct usb_serial_port *port, const
-char *function);
-static int ATEN2011_serial_paranoia_check (struct usb_serial *serial, const char
-*function);
-static int ATEN2011_port_paranoia_check (struct usb_serial_port *port, const char
-*function);
+int RS485mode = 0; //set to 1 for RS485 mode and 0 for RS232 mode
+static struct usb_serial *ATEN2011_get_usb_serial(struct usb_serial_port *port, const
+ char *function);
+static int ATEN2011_serial_paranoia_check(struct usb_serial *serial, const char
+ *function);
+static int ATEN2011_port_paranoia_check(struct usb_serial_port *port, const char
+ *function);
/* setting and get register values */
-static int ATEN2011_set_reg_sync(struct usb_serial_port *port, __u16 reg, __u16 val);
-static int ATEN2011_get_reg_sync(struct usb_serial_port *port, __u16 reg, __u16 * val);
-static int ATEN2011_set_Uart_Reg(struct usb_serial_port *port, __u16 reg, __u16 val);
-static int ATEN2011_get_Uart_Reg(struct usb_serial_port *port, __u16 reg, __u16 * val);
+static int ATEN2011_set_reg_sync(struct usb_serial_port *port, __u16 reg,
+ __u16 val);
+static int ATEN2011_get_reg_sync(struct usb_serial_port *port, __u16 reg,
+ __u16 * val);
+static int ATEN2011_set_Uart_Reg(struct usb_serial_port *port, __u16 reg,
+ __u16 val);
+static int ATEN2011_get_Uart_Reg(struct usb_serial_port *port, __u16 reg,
+ __u16 * val);
void ATEN2011_Dump_serial_port(struct ATENINTL_port *ATEN2011_port);
/************************************************************************/
/************************************************************************/
-static inline void ATEN2011_set_serial_private(struct usb_serial *serial, struct ATENINTL_serial *data)
+static inline void ATEN2011_set_serial_private(struct usb_serial *serial,
+ struct ATENINTL_serial *data)
{
- usb_set_serial_data(serial, (void *)data );
+ usb_set_serial_data(serial, (void *)data);
}
-static inline struct ATENINTL_serial * ATEN2011_get_serial_private(struct usb_serial *serial)
+static inline struct ATENINTL_serial *ATEN2011_get_serial_private(struct
+ usb_serial
+ *serial)
{
- return (struct ATENINTL_serial*) usb_get_serial_data(serial);
+ return (struct ATENINTL_serial *)usb_get_serial_data(serial);
}
-static inline void ATEN2011_set_port_private(struct usb_serial_port *port, struct ATENINTL_port *data)
+static inline void ATEN2011_set_port_private(struct usb_serial_port *port,
+ struct ATENINTL_port *data)
{
- usb_set_serial_port_data(port, (void*)data );
+ usb_set_serial_port_data(port, (void *)data);
}
-static inline struct ATENINTL_port * ATEN2011_get_port_private(struct usb_serial_port *port)
+static inline struct ATENINTL_port *ATEN2011_get_port_private(struct
+ usb_serial_port
+ *port)
{
- return (struct ATENINTL_port*) usb_get_serial_port_data(port);
+ return (struct ATENINTL_port *)usb_get_serial_port_data(port);
}
/*
Val: Value to set in the Register.
*/
-static int ATEN2011_set_reg_sync(struct usb_serial_port *port, __u16 reg, __u16 val)
+static int ATEN2011_set_reg_sync(struct usb_serial_port *port, __u16 reg,
+ __u16 val)
{
- struct usb_device *dev = port->serial->dev;
+ struct usb_device *dev = port->serial->dev;
val = val & 0x00ff;
- DPRINTK("ATEN2011_set_reg_sync offset is %x, value %x\n",reg,val);
+ DPRINTK("ATEN2011_set_reg_sync offset is %x, value %x\n", reg, val);
-
- return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ATEN_WRREQ,
- ATEN_WR_RTYPE, val, reg, NULL, 0,ATEN_WDR_TIMEOUT);
+ return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ATEN_WRREQ,
+ ATEN_WR_RTYPE, val, reg, NULL, 0,
+ ATEN_WDR_TIMEOUT);
}
-
-
/*
Description:- To set the Uart register by calling usb_fill_control_urb function by passing usb_rcvctrlpipe function as parameter.
Val: Value to receive from the Register.
*/
-static int ATEN2011_get_reg_sync(struct usb_serial_port *port, __u16 reg, __u16 * val)
+static int ATEN2011_get_reg_sync(struct usb_serial_port *port, __u16 reg,
+ __u16 * val)
{
- struct usb_device *dev = port->serial->dev;
- int ret=0;
+ struct usb_device *dev = port->serial->dev;
+ int ret = 0;
- ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), ATEN_RDREQ,
- ATEN_RD_RTYPE, 0, reg, val, VENDOR_READ_LENGTH,ATEN_WDR_TIMEOUT);
- DPRINTK("ATEN2011_get_reg_sync offset is %x, return val %x\n",reg,*val);
+ ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), ATEN_RDREQ,
+ ATEN_RD_RTYPE, 0, reg, val, VENDOR_READ_LENGTH,
+ ATEN_WDR_TIMEOUT);
+ DPRINTK("ATEN2011_get_reg_sync offset is %x, return val %x\n", reg,
+ *val);
*val = (*val) & 0x00ff;
- return ret;
+ return ret;
}
-
-
/*
Description:- To set the Uart register by calling usb_fill_control_urb function by passing usb_sndctrlpipe function as parameter.
Val: Value to set in the Register.
*/
-static int ATEN2011_set_Uart_Reg(struct usb_serial_port *port, __u16 reg, __u16 val)
+static int ATEN2011_set_Uart_Reg(struct usb_serial_port *port, __u16 reg,
+ __u16 val)
{
-
- struct usb_device *dev = port->serial->dev;
+ struct usb_device *dev = port->serial->dev;
struct ATENINTL_serial *ATEN2011_serial;
int minor;
ATEN2011_serial = ATEN2011_get_serial_private(port->serial);
minor = port->serial->minor;
- if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
+ if (minor == SERIAL_TTY_NO_MINOR)
+ minor = 0;
val = val & 0x00ff;
- // For the UART control registers, the application number need to be Or'ed
-
- if(ATEN2011_serial->ATEN2011_spectrum_2or4ports == 4)
- {
- val |= (((__u16)port->number - (__u16)(minor))+1)<<8;
- DPRINTK("ATEN2011_set_Uart_Reg application number is %x\n",val);
- }
- else
- {
- if( ((__u16)port->number - (__u16)(minor)) == 0)
- {
- // val= 0x100;
- val |= (((__u16)port->number - (__u16)(minor))+1)<<8;
- DPRINTK("ATEN2011_set_Uart_Reg application number is %x\n",val);
- }
- else
- {
- // val=0x300;
- val |= (((__u16)port->number - (__u16)(minor))+2)<<8;
- DPRINTK("ATEN2011_set_Uart_Reg application number is %x\n",val);
+ // For the UART control registers, the application number need to be Or'ed
+
+ if (ATEN2011_serial->ATEN2011_spectrum_2or4ports == 4) {
+ val |= (((__u16) port->number - (__u16) (minor)) + 1) << 8;
+ DPRINTK("ATEN2011_set_Uart_Reg application number is %x\n",
+ val);
+ } else {
+ if (((__u16) port->number - (__u16) (minor)) == 0) {
+ // val= 0x100;
+ val |=
+ (((__u16) port->number - (__u16) (minor)) + 1) << 8;
+ DPRINTK
+ ("ATEN2011_set_Uart_Reg application number is %x\n",
+ val);
+ } else {
+ // val=0x300;
+ val |=
+ (((__u16) port->number - (__u16) (minor)) + 2) << 8;
+ DPRINTK
+ ("ATEN2011_set_Uart_Reg application number is %x\n",
+ val);
}
}
- return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ATEN_WRREQ,
- ATEN_WR_RTYPE, val, reg, NULL, 0,ATEN_WDR_TIMEOUT);
+ return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ATEN_WRREQ,
+ ATEN_WR_RTYPE, val, reg, NULL, 0,
+ ATEN_WDR_TIMEOUT);
}
-
/*
Description:- To set the Control register by calling usb_fill_control_urb function by passing usb_rcvctrlpipe function as parameter.
Reg: Register Address
Val: Value to receive from the Register.
*/
-static int ATEN2011_get_Uart_Reg(struct usb_serial_port *port, __u16 reg, __u16 * val)
+static int ATEN2011_get_Uart_Reg(struct usb_serial_port *port, __u16 reg,
+ __u16 * val)
{
- struct usb_device *dev = port->serial->dev;
- int ret=0;
- __u16 Wval;
- struct ATENINTL_serial *ATEN2011_serial;
+ struct usb_device *dev = port->serial->dev;
+ int ret = 0;
+ __u16 Wval;
+ struct ATENINTL_serial *ATEN2011_serial;
int minor = port->serial->minor;
- ATEN2011_serial = ATEN2011_get_serial_private(port->serial);
- if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
+ ATEN2011_serial = ATEN2011_get_serial_private(port->serial);
+ if (minor == SERIAL_TTY_NO_MINOR)
+ minor = 0;
//DPRINTK("application number is %4x \n",(((__u16)port->number - (__u16)(minor))+1)<<8);
- /*Wval is same as application number*/
- if(ATEN2011_serial->ATEN2011_spectrum_2or4ports ==4)
- {
- Wval=(((__u16)port->number - (__u16)(minor))+1)<<8;
- DPRINTK("ATEN2011_get_Uart_Reg application number is %x\n",Wval);
- }
- else
- {
- if( ((__u16)port->number - (__u16)(minor)) == 0)
- {
- // Wval= 0x100;
- Wval=(((__u16)port->number - (__u16)(minor))+1)<<8;
- DPRINTK("ATEN2011_get_Uart_Reg application number is %x\n",Wval);
- }
- else
- {
- // Wval=0x300;
- Wval=(((__u16)port->number - (__u16)(minor))+2)<<8;
- DPRINTK("ATEN2011_get_Uart_Reg application number is %x\n",Wval);
+ /*Wval is same as application number */
+ if (ATEN2011_serial->ATEN2011_spectrum_2or4ports == 4) {
+ Wval = (((__u16) port->number - (__u16) (minor)) + 1) << 8;
+ DPRINTK("ATEN2011_get_Uart_Reg application number is %x\n",
+ Wval);
+ } else {
+ if (((__u16) port->number - (__u16) (minor)) == 0) {
+ // Wval= 0x100;
+ Wval =
+ (((__u16) port->number - (__u16) (minor)) + 1) << 8;
+ DPRINTK
+ ("ATEN2011_get_Uart_Reg application number is %x\n",
+ Wval);
+ } else {
+ // Wval=0x300;
+ Wval =
+ (((__u16) port->number - (__u16) (minor)) + 2) << 8;
+ DPRINTK
+ ("ATEN2011_get_Uart_Reg application number is %x\n",
+ Wval);
}
}
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), ATEN_RDREQ,
- ATEN_RD_RTYPE, Wval, reg, val,VENDOR_READ_LENGTH,ATEN_WDR_TIMEOUT);
+ ATEN_RD_RTYPE, Wval, reg, val, VENDOR_READ_LENGTH,
+ ATEN_WDR_TIMEOUT);
*val = (*val) & 0x00ff;
- return ret;
+ return ret;
}
-
-
void ATEN2011_Dump_serial_port(struct ATENINTL_port *ATEN2011_port)
{
DPRINTK("***************************************\n");
- DPRINTK("Application number is %4x\n",ATEN2011_port->AppNum);
- DPRINTK("SpRegOffset is %2x\n",ATEN2011_port->SpRegOffset);
- DPRINTK("ControlRegOffset is %2x \n",ATEN2011_port->ControlRegOffset);
- DPRINTK("DCRRegOffset is %2x \n",ATEN2011_port->DcrRegOffset);
+ DPRINTK("Application number is %4x\n", ATEN2011_port->AppNum);
+ DPRINTK("SpRegOffset is %2x\n", ATEN2011_port->SpRegOffset);
+ DPRINTK("ControlRegOffset is %2x \n", ATEN2011_port->ControlRegOffset);
+ DPRINTK("DCRRegOffset is %2x \n", ATEN2011_port->DcrRegOffset);
//DPRINTK("ClkSelectRegOffset is %2x \n",ATEN2011_port->ClkSelectRegOffset);
DPRINTK("***************************************\n");
* Structure defining ATEN2011, usb serial device
****************************************************************************/
static struct usb_serial_driver ATENINTL2011_4port_device = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "ATEN2011",
- },
- .description = DRIVER_DESC,
- .id_table = ATENINTL_port_id_table,
- .open = ATEN2011_open,
- .close = ATEN2011_close,
- .write = ATEN2011_write,
- .write_room = ATEN2011_write_room,
- .chars_in_buffer = ATEN2011_chars_in_buffer,
- .throttle = ATEN2011_throttle,
- .unthrottle = ATEN2011_unthrottle,
- .calc_num_ports = ATEN2011_calc_num_ports,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ATEN2011",
+ },
+ .description = DRIVER_DESC,
+ .id_table = ATENINTL_port_id_table,
+ .open = ATEN2011_open,
+ .close = ATEN2011_close,
+ .write = ATEN2011_write,
+ .write_room = ATEN2011_write_room,
+ .chars_in_buffer = ATEN2011_chars_in_buffer,
+ .throttle = ATEN2011_throttle,
+ .unthrottle = ATEN2011_unthrottle,
+ .calc_num_ports = ATEN2011_calc_num_ports,
#ifdef ATENSerialProbe
- .probe = ATEN2011_serial_probe,
+ .probe = ATEN2011_serial_probe,
#endif
- .ioctl = ATEN2011_ioctl,
- .set_termios = ATEN2011_set_termios,
- .break_ctl = ATEN2011_break,
-// .break_ctl = ATEN2011_break_ctl,
- .tiocmget = ATEN2011_tiocmget,
- .tiocmset = ATEN2011_tiocmset,
- .attach = ATEN2011_startup,
- .shutdown = ATEN2011_shutdown,
- .read_bulk_callback = ATEN2011_bulk_in_callback,
- .read_int_callback = ATEN2011_interrupt_callback,
+ .ioctl = ATEN2011_ioctl,
+ .set_termios = ATEN2011_set_termios,
+ .break_ctl = ATEN2011_break,
+// .break_ctl = ATEN2011_break_ctl,
+ .tiocmget = ATEN2011_tiocmget,
+ .tiocmset = ATEN2011_tiocmset,
+ .attach = ATEN2011_startup,
+ .shutdown = ATEN2011_shutdown,
+ .read_bulk_callback = ATEN2011_bulk_in_callback,
+ .read_int_callback = ATEN2011_interrupt_callback,
};
static struct usb_driver io_driver = {
- .name = "ATEN2011",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = id_table_combined,
+ .name = "ATEN2011",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table_combined,
};
-
-
/************************************************************************/
/************************************************************************/
/* U S B C A L L B A C K F U N C T I O N S */
*
*****************************************************************************/
//#ifdef ATEN2011
-static void ATEN2011_interrupt_callback (struct urb *urb)
+static void ATEN2011_interrupt_callback(struct urb *urb)
{
int result;
- int length ;
- struct ATENINTL_port *ATEN2011_port;
+ int length;
+ struct ATENINTL_port *ATEN2011_port;
struct ATENINTL_serial *ATEN2011_serial;
struct usb_serial *serial;
__u16 Data;
unsigned char *data;
- __u8 sp[5],st;
+ __u8 sp[5], st;
int i;
__u16 wval;
int minor;
//printk("in the function ATEN2011_interrupt_callback Length %d, Data %x \n",urb->actual_length,(unsigned int)urb->transfer_buffer);
- DPRINTK("%s"," : Entering\n");
+ DPRINTK("%s", " : Entering\n");
- ATEN2011_serial= (struct ATENINTL_serial *)urb->context;
- if(!urb)// || ATEN2011_serial->status_polling_started == FALSE )
+ ATEN2011_serial = (struct ATENINTL_serial *)urb->context;
+ if (!urb) // || ATEN2011_serial->status_polling_started == FALSE )
{
- DPRINTK("%s","Invalid Pointer !!!!:\n");
+ DPRINTK("%s", "Invalid Pointer !!!!:\n");
return;
}
- switch (urb->status)
- {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
- return;
- default:
- dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
- goto exit;
+ switch (urb->status) {
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d", __FUNCTION__,
+ urb->status);
+ return;
+ default:
+ dbg("%s - nonzero urb status received: %d", __FUNCTION__,
+ urb->status);
+ goto exit;
}
length = urb->actual_length;
data = urb->transfer_buffer;
* Byte 4 IIR Port 4 (port.number is 3)
* Byte 5 FIFO status for both */
- if(length && length>5)
- {
- DPRINTK("%s \n","Wrong data !!!");
+ if (length && length > 5) {
+ DPRINTK("%s \n", "Wrong data !!!");
return;
}
/* MATRIX */
- if(ATEN2011_serial->ATEN2011_spectrum_2or4ports == 4)
- {
- sp[0]=(__u8)data[0];
- sp[1]=(__u8)data[1];
- sp[2]=(__u8)data[2];
- sp[3]=(__u8)data[3];
- st=(__u8)data[4];
- }
- else
- {
- sp[0]=(__u8)data[0];
- sp[1]=(__u8)data[2];
- //sp[2]=(__u8)data[2];
- //sp[3]=(__u8)data[3];
- st=(__u8)data[4];
-
- }
- // printk("%s data is sp1:%x sp2:%x sp3:%x sp4:%x status:%x\n",__FUNCTION__,sp1,sp2,sp3,sp4,st);
- for(i=0;i<serial->num_ports;i++)
- {
- ATEN2011_port = ATEN2011_get_port_private(serial->port[i]);
- minor = serial->minor;
- if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
- if((ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2) && (i != 0))
- wval = (((__u16)serial->port[i]->number - (__u16)(minor))+2)<<8;
- else
- wval = (((__u16)serial->port[i]->number - (__u16)(minor))+1)<<8;
- if(ATEN2011_port->open != FALSE)
- {
- //printk("%s wval is:(for 2011) %x\n",__FUNCTION__,wval);
-
- if(sp[i] & 0x01)
- {
- DPRINTK("SP%d No Interrupt !!!\n",i);
- }
+ if (ATEN2011_serial->ATEN2011_spectrum_2or4ports == 4) {
+ sp[0] = (__u8) data[0];
+ sp[1] = (__u8) data[1];
+ sp[2] = (__u8) data[2];
+ sp[3] = (__u8) data[3];
+ st = (__u8) data[4];
+ } else {
+ sp[0] = (__u8) data[0];
+ sp[1] = (__u8) data[2];
+ //sp[2]=(__u8)data[2];
+ //sp[3]=(__u8)data[3];
+ st = (__u8) data[4];
+
+ }
+ // printk("%s data is sp1:%x sp2:%x sp3:%x sp4:%x status:%x\n",__FUNCTION__,sp1,sp2,sp3,sp4,st);
+ for (i = 0; i < serial->num_ports; i++) {
+ ATEN2011_port = ATEN2011_get_port_private(serial->port[i]);
+ minor = serial->minor;
+ if (minor == SERIAL_TTY_NO_MINOR)
+ minor = 0;
+ if ((ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2)
+ && (i != 0))
+ wval =
+ (((__u16) serial->port[i]->number -
+ (__u16) (minor)) + 2) << 8;
else
- {
- switch(sp[i] & 0x0f)
- {
- case SERIAL_IIR_RLS:
- DPRINTK("Serial Port %d: Receiver status error or ",i);
- DPRINTK("address bit detected in 9-bit mode\n");
- ATEN2011_port->MsrLsr=1;
- ATEN2011_get_reg(ATEN2011_port,wval,LINE_STATUS_REGISTER,&Data);
- break;
- case SERIAL_IIR_MS:
- DPRINTK("Serial Port %d: Modem status change\n",i);
- ATEN2011_port->MsrLsr=0;
- ATEN2011_get_reg(ATEN2011_port,wval, MODEM_STATUS_REGISTER, &Data);
- break;
+ wval =
+ (((__u16) serial->port[i]->number -
+ (__u16) (minor)) + 1) << 8;
+ if (ATEN2011_port->open != FALSE) {
+ //printk("%s wval is:(for 2011) %x\n",__FUNCTION__,wval);
+
+ if (sp[i] & 0x01) {
+ DPRINTK("SP%d No Interrupt !!!\n", i);
+ } else {
+ switch (sp[i] & 0x0f) {
+ case SERIAL_IIR_RLS:
+ DPRINTK
+ ("Serial Port %d: Receiver status error or ",
+ i);
+ DPRINTK
+ ("address bit detected in 9-bit mode\n");
+ ATEN2011_port->MsrLsr = 1;
+ ATEN2011_get_reg(ATEN2011_port, wval,
+ LINE_STATUS_REGISTER,
+ &Data);
+ break;
+ case SERIAL_IIR_MS:
+ DPRINTK
+ ("Serial Port %d: Modem status change\n",
+ i);
+ ATEN2011_port->MsrLsr = 0;
+ ATEN2011_get_reg(ATEN2011_port, wval,
+ MODEM_STATUS_REGISTER,
+ &Data);
+ break;
+ }
}
}
- }
}
-exit:
- if( ATEN2011_serial->status_polling_started == FALSE )
+ exit:
+ if (ATEN2011_serial->status_polling_started == FALSE)
return;
- result = usb_submit_urb (urb, GFP_ATOMIC);
- if (result)
- {
- dev_err(&urb->dev->dev, "%s - Error %d submitting interrupt urb\n", __FUNCTION__, result);
+ result = usb_submit_urb(urb, GFP_ATOMIC);
+ if (result) {
+ dev_err(&urb->dev->dev,
+ "%s - Error %d submitting interrupt urb\n",
+ __FUNCTION__, result);
}
return;
}
+
//#endif
static void ATEN2011_control_callback(struct urb *urb)
{
unsigned char *data;
struct ATENINTL_port *ATEN2011_port;
- __u8 regval=0x0;
+ __u8 regval = 0x0;
- if(!urb)
- {
- DPRINTK("%s","Invalid Pointer !!!!:\n");
- return;
- }
-
- switch (urb->status)
- {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); return;
- default:
- dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
- goto exit;
- }
+ if (!urb) {
+ DPRINTK("%s", "Invalid Pointer !!!!:\n");
+ return;
+ }
+ switch (urb->status) {
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d", __FUNCTION__,
+ urb->status);
+ return;
+ default:
+ dbg("%s - nonzero urb status received: %d", __FUNCTION__,
+ urb->status);
+ goto exit;
+ }
ATEN2011_port = (struct ATENINTL_port *)urb->context;
- DPRINTK("%s urb buffer size is %d\n",__FUNCTION__,urb->actual_length);
- DPRINTK("%s ATEN2011_port->MsrLsr is %d port %d\n",__FUNCTION__,ATEN2011_port->MsrLsr,ATEN2011_port->port_num);
- data=urb->transfer_buffer;
- regval=(__u8)data[0];
- DPRINTK("%s data is %x\n",__FUNCTION__,regval);
- if(ATEN2011_port->MsrLsr==0)
- handle_newMsr(ATEN2011_port,regval);
- else if(ATEN2011_port->MsrLsr==1)
- handle_newLsr(ATEN2011_port,regval);
-
-exit:
+ DPRINTK("%s urb buffer size is %d\n", __FUNCTION__, urb->actual_length);
+ DPRINTK("%s ATEN2011_port->MsrLsr is %d port %d\n", __FUNCTION__,
+ ATEN2011_port->MsrLsr, ATEN2011_port->port_num);
+ data = urb->transfer_buffer;
+ regval = (__u8) data[0];
+ DPRINTK("%s data is %x\n", __FUNCTION__, regval);
+ if (ATEN2011_port->MsrLsr == 0)
+ handle_newMsr(ATEN2011_port, regval);
+ else if (ATEN2011_port->MsrLsr == 1)
+ handle_newLsr(ATEN2011_port, regval);
+
+ exit:
return;
}
-int handle_newMsr(struct ATENINTL_port *port,__u8 newMsr)
+int handle_newMsr(struct ATENINTL_port *port, __u8 newMsr)
{
struct ATENINTL_port *ATEN2011_port;
- struct async_icount *icount;
- ATEN2011_port=port;
+ struct async_icount *icount;
+ ATEN2011_port = port;
icount = &ATEN2011_port->icount;
- if (newMsr & (ATEN_MSR_DELTA_CTS | ATEN_MSR_DELTA_DSR | ATEN_MSR_DELTA_RI | ATEN_MSR_DELTA_CD)) {
- icount = &ATEN2011_port->icount;
-
- /* update input line counters */
- if (newMsr & ATEN_MSR_DELTA_CTS) {
- icount->cts++;
- }
- if (newMsr & ATEN_MSR_DELTA_DSR) {
- icount->dsr++;
- }
- if (newMsr & ATEN_MSR_DELTA_CD) {
- icount->dcd++;
- }
- if (newMsr & ATEN_MSR_DELTA_RI) {
- icount->rng++;
- }
- }
-
+ if (newMsr &
+ (ATEN_MSR_DELTA_CTS | ATEN_MSR_DELTA_DSR | ATEN_MSR_DELTA_RI |
+ ATEN_MSR_DELTA_CD)) {
+ icount = &ATEN2011_port->icount;
+
+ /* update input line counters */
+ if (newMsr & ATEN_MSR_DELTA_CTS) {
+ icount->cts++;
+ }
+ if (newMsr & ATEN_MSR_DELTA_DSR) {
+ icount->dsr++;
+ }
+ if (newMsr & ATEN_MSR_DELTA_CD) {
+ icount->dcd++;
+ }
+ if (newMsr & ATEN_MSR_DELTA_RI) {
+ icount->rng++;
+ }
+ }
return 0;
}
-int handle_newLsr(struct ATENINTL_port *port,__u8 newLsr)
+int handle_newLsr(struct ATENINTL_port *port, __u8 newLsr)
{
- struct async_icount *icount;
-
- dbg("%s - %02x", __FUNCTION__, newLsr);
-
+ struct async_icount *icount;
- if (newLsr & SERIAL_LSR_BI) {
- //
- // Parity and Framing errors only count if they
- // occur exclusive of a break being
- // received.
- //
- newLsr &= (__u8)(SERIAL_LSR_OE | SERIAL_LSR_BI);
- }
+ dbg("%s - %02x", __FUNCTION__, newLsr);
+ if (newLsr & SERIAL_LSR_BI) {
+ //
+ // Parity and Framing errors only count if they
+ // occur exclusive of a break being
+ // received.
+ //
+ newLsr &= (__u8) (SERIAL_LSR_OE | SERIAL_LSR_BI);
+ }
- /* update input line counters */
- icount = &port->icount;
- if (newLsr & SERIAL_LSR_BI) {
- icount->brk++;
- }
+ /* update input line counters */
+ icount = &port->icount;
+ if (newLsr & SERIAL_LSR_BI) {
+ icount->brk++;
+ }
if (newLsr & SERIAL_LSR_OE) {
- icount->overrun++;
- }
- if (newLsr & SERIAL_LSR_PE) {
- icount->parity++;
- }
- if (newLsr & SERIAL_LSR_FE) {
- icount->frame++;
- }
-
+ icount->overrun++;
+ }
+ if (newLsr & SERIAL_LSR_PE) {
+ icount->parity++;
+ }
+ if (newLsr & SERIAL_LSR_FE) {
+ icount->frame++;
+ }
return 0;
}
-static int ATEN2011_get_reg(struct ATENINTL_port *ATEN,__u16 Wval, __u16 reg, __u16 * val)
+static int ATEN2011_get_reg(struct ATENINTL_port *ATEN, __u16 Wval, __u16 reg,
+ __u16 * val)
{
- struct usb_device *dev = ATEN->port->serial->dev;
- struct usb_ctrlrequest *dr=NULL;
- unsigned char *buffer=NULL;
- int ret=0;
- buffer= (__u8 *)ATEN->ctrl_buf;
+ struct usb_device *dev = ATEN->port->serial->dev;
+ struct usb_ctrlrequest *dr = NULL;
+ unsigned char *buffer = NULL;
+ int ret = 0;
+ buffer = (__u8 *) ATEN->ctrl_buf;
// dr=(struct usb_ctrlrequest *)(buffer);
- dr=(void *)(buffer + 2);
- dr->bRequestType = ATEN_RD_RTYPE;
- dr->bRequest = ATEN_RDREQ;
- dr->wValue = cpu_to_le16(Wval);//0;
- dr->wIndex = cpu_to_le16(reg);
- dr->wLength = cpu_to_le16(2);
-
- usb_fill_control_urb(ATEN->control_urb,dev,usb_rcvctrlpipe(dev,0),(unsigned char *)dr,buffer,2,ATEN2011_control_callback,ATEN);
- ATEN->control_urb->transfer_buffer_length = 2;
- ret=usb_submit_urb(ATEN->control_urb,GFP_ATOMIC);
- return ret;
+ dr = (void *)(buffer + 2);
+ dr->bRequestType = ATEN_RD_RTYPE;
+ dr->bRequest = ATEN_RDREQ;
+ dr->wValue = cpu_to_le16(Wval); //0;
+ dr->wIndex = cpu_to_le16(reg);
+ dr->wLength = cpu_to_le16(2);
+
+ usb_fill_control_urb(ATEN->control_urb, dev, usb_rcvctrlpipe(dev, 0),
+ (unsigned char *)dr, buffer, 2,
+ ATEN2011_control_callback, ATEN);
+ ATEN->control_urb->transfer_buffer_length = 2;
+ ret = usb_submit_urb(ATEN->control_urb, GFP_ATOMIC);
+ return ret;
}
/*****************************************************************************
* pointer to the URB packet,
*
*****************************************************************************/
-static void ATEN2011_bulk_in_callback (struct urb *urb)
+static void ATEN2011_bulk_in_callback(struct urb *urb)
{
- int status;
- unsigned char *data ;
- struct usb_serial *serial;
- struct usb_serial_port *port;
- struct ATENINTL_serial *ATEN2011_serial;
- struct ATENINTL_port *ATEN2011_port;
+ int status;
+ unsigned char *data;
+ struct usb_serial *serial;
+ struct usb_serial_port *port;
+ struct ATENINTL_serial *ATEN2011_serial;
+ struct ATENINTL_port *ATEN2011_port;
struct tty_struct *tty;
- if(!urb)
- {
- DPRINTK("%s","Invalid Pointer !!!!:\n");
+ if (!urb) {
+ DPRINTK("%s", "Invalid Pointer !!!!:\n");
return;
}
- if (urb->status)
- {
- DPRINTK("nonzero read bulk status received: %d",urb->status);
-// if(urb->status==84)
+ if (urb->status) {
+ DPRINTK("nonzero read bulk status received: %d", urb->status);
+// if(urb->status==84)
//ThreadState=1;
return;
}
- ATEN2011_port= (struct ATENINTL_port*)urb->context;
- if(!ATEN2011_port)
- {
- DPRINTK("%s","NULL ATEN2011_port pointer \n");
- return ;
+ ATEN2011_port = (struct ATENINTL_port *)urb->context;
+ if (!ATEN2011_port) {
+ DPRINTK("%s", "NULL ATEN2011_port pointer \n");
+ return;
}
port = (struct usb_serial_port *)ATEN2011_port->port;
- if (ATEN2011_port_paranoia_check (port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return;
}
- serial = ATEN2011_get_usb_serial(port,__FUNCTION__);
- if(!serial)
- {
- DPRINTK("%s\n","Bad serial pointer ");
+ serial = ATEN2011_get_usb_serial(port, __FUNCTION__);
+ if (!serial) {
+ DPRINTK("%s\n", "Bad serial pointer ");
return;
}
- DPRINTK("%s\n","Entering... \n");
+ DPRINTK("%s\n", "Entering... \n");
data = urb->transfer_buffer;
ATEN2011_serial = ATEN2011_get_serial_private(serial);
- DPRINTK("%s","Entering ........... \n");
+ DPRINTK("%s", "Entering ........... \n");
- if (urb->actual_length)
- {
+ if (urb->actual_length) {
//MATRIX
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
tty = tty_port_tty_get(&ATEN2011_port->port->port);
#else
tty = ATEN2011_port->port->tty;
#endif
- if (tty)
- {
+ if (tty) {
tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
- DPRINTK(" %s \n",data);
+ DPRINTK(" %s \n", data);
tty_flip_buffer_push(tty);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
tty_kref_put(tty);
#endif
}
-
ATEN2011_port->icount.rx += urb->actual_length;
- DPRINTK("ATEN2011_port->icount.rx is %d:\n",ATEN2011_port->icount.rx);
+ DPRINTK("ATEN2011_port->icount.rx is %d:\n",
+ ATEN2011_port->icount.rx);
//MATRIX
}
- if(!ATEN2011_port->read_urb)
- {
- DPRINTK("%s","URB KILLED !!!\n");
+ if (!ATEN2011_port->read_urb) {
+ DPRINTK("%s", "URB KILLED !!!\n");
return;
}
- if(ATEN2011_port->read_urb->status!=-EINPROGRESS)
- {
+ if (ATEN2011_port->read_urb->status != -EINPROGRESS) {
ATEN2011_port->read_urb->dev = serial->dev;
status = usb_submit_urb(ATEN2011_port->read_urb, GFP_ATOMIC);
- if (status)
- {
- DPRINTK(" usb_submit_urb(read bulk) failed, status = %d", status);
+ if (status) {
+ DPRINTK
+ (" usb_submit_urb(read bulk) failed, status = %d",
+ status);
}
}
}
* pointer to the URB packet,
*
*****************************************************************************/
-static void ATEN2011_bulk_out_data_callback (struct urb *urb)
+static void ATEN2011_bulk_out_data_callback(struct urb *urb)
{
- struct ATENINTL_port *ATEN2011_port ;
+ struct ATENINTL_port *ATEN2011_port;
struct tty_struct *tty;
- if(!urb)
- {
- DPRINTK("%s","Invalid Pointer !!!!:\n");
+ if (!urb) {
+ DPRINTK("%s", "Invalid Pointer !!!!:\n");
return;
}
- if (urb->status)
- {
+ if (urb->status) {
DPRINTK("nonzero write bulk status received:%d\n", urb->status);
return;
}
ATEN2011_port = (struct ATENINTL_port *)urb->context;
- if(!ATEN2011_port)
- {
- DPRINTK("%s","NULL ATEN2011_port pointer \n");
- return ;
+ if (!ATEN2011_port) {
+ DPRINTK("%s", "NULL ATEN2011_port pointer \n");
+ return;
}
- if (ATEN2011_port_paranoia_check (ATEN2011_port->port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ if (ATEN2011_port_paranoia_check(ATEN2011_port->port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return;
}
- DPRINTK("%s \n","Entering .........");
+ DPRINTK("%s \n", "Entering .........");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
tty = tty_port_tty_get(&ATEN2011_port->port->port);
tty = ATEN2011_port->port->tty;
#endif
- if (tty && ATEN2011_port->open)
- {
+ if (tty && ATEN2011_port->open) {
/* let the tty driver wakeup if it has a special *
- * write_wakeup function */
+ * write_wakeup function */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup) {
- (tty->ldisc.write_wakeup)(tty);
+ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP))
+ && tty->ldisc.write_wakeup) {
+ (tty->ldisc.write_wakeup) (tty);
}
#endif
}
-
-
-
-
-
/************************************************************************/
/* D R I V E R T T Y I N T E R F A C E F U N C T I O N S */
/************************************************************************/
#ifdef ATENSerialProbe
-static int ATEN2011_serial_probe(struct usb_serial *serial, const struct usb_device_id *id)
+static int ATEN2011_serial_probe(struct usb_serial *serial,
+ const struct usb_device_id *id)
{
/*need to implement the mode_reg reading and updating\
- structures usb_serial_ device_type\
- (i.e num_ports, num_bulkin,bulkout etc)*/
+ structures usb_serial_ device_type\
+ (i.e num_ports, num_bulkin,bulkout etc) */
/* Also we can update the changes attach */
return 1;
}
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port, struct file * filp)
+static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
#else
-static int ATEN2011_open(struct usb_serial_port *port, struct file * filp)
+static int ATEN2011_open(struct usb_serial_port *port, struct file *filp)
#endif
{
- int response;
- int j;
- struct usb_serial *serial;
+ int response;
+ int j;
+ struct usb_serial *serial;
// struct usb_serial_port *port0;
- struct urb *urb;
- __u16 Data;
- int status;
- struct ATENINTL_serial *ATEN2011_serial;
- struct ATENINTL_port *ATEN2011_port;
- struct ktermios tmp_termios;
- int minor;
+ struct urb *urb;
+ __u16 Data;
+ int status;
+ struct ATENINTL_serial *ATEN2011_serial;
+ struct ATENINTL_port *ATEN2011_port;
+ struct ktermios tmp_termios;
+ int minor;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
- struct tty_struct *tty = NULL;
+ struct tty_struct *tty = NULL;
#endif
- if (ATEN2011_port_paranoia_check (port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return -ENODEV;
}
-
//ATEN2011_serial->NoOfOpenPorts++;
serial = port->serial;
- if (ATEN2011_serial_paranoia_check (serial, __FUNCTION__))
- {
- DPRINTK("%s","Serial Paranoia failed \n");
+ if (ATEN2011_serial_paranoia_check(serial, __FUNCTION__)) {
+ DPRINTK("%s", "Serial Paranoia failed \n");
return -ENODEV;
}
ATEN2011_port->control_urb=kmalloc(sizeof(struct urb),GFP_KERNEL);
}
*/
-// port0 = serial->port[0];
+// port0 = serial->port[0];
ATEN2011_serial = ATEN2011_get_serial_private(serial);
- if (ATEN2011_serial == NULL )//|| port0 == NULL)
+ if (ATEN2011_serial == NULL) //|| port0 == NULL)
{
return -ENODEV;
}
ATEN2011_serial->NoOfOpenPorts++;
//printk("the num of ports opend is:%d\n",ATEN2011_serial->NoOfOpenPorts);
+ usb_clear_halt(serial->dev, port->write_urb->pipe);
+ usb_clear_halt(serial->dev, port->read_urb->pipe);
- usb_clear_halt(serial->dev, port->write_urb->pipe);
- usb_clear_halt(serial->dev, port->read_urb->pipe);
-
- /* Initialising the write urb pool */
- for (j = 0; j < NUM_URBS; ++j)
- {
- urb = usb_alloc_urb(0,GFP_ATOMIC);
- ATEN2011_port->write_urb_pool[j] = urb;
-
- if (urb == NULL)
- {
- err("No more urbs???");
- continue;
- }
-
- urb->transfer_buffer = NULL;
- urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
- if (!urb->transfer_buffer)
- {
- err("%s-out of memory for urb buffers.", __FUNCTION__);
- continue;
- }
- }
+ /* Initialising the write urb pool */
+ for (j = 0; j < NUM_URBS; ++j) {
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ ATEN2011_port->write_urb_pool[j] = urb;
+
+ if (urb == NULL) {
+ err("No more urbs???");
+ continue;
+ }
+ urb->transfer_buffer = NULL;
+ urb->transfer_buffer =
+ kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
+ if (!urb->transfer_buffer) {
+ err("%s-out of memory for urb buffers.", __FUNCTION__);
+ continue;
+ }
+ }
/*****************************************************************************
* Initialize ATEN2011 -- Write Init values to corresponding Registers
//NEED to check the fallowing Block
- status=0;
- Data=0x0;
- status=ATEN2011_get_reg_sync(port,ATEN2011_port->SpRegOffset,&Data);
- if(status<0){
+ status = 0;
+ Data = 0x0;
+ status = ATEN2011_get_reg_sync(port, ATEN2011_port->SpRegOffset, &Data);
+ if (status < 0) {
DPRINTK("Reading Spreg failed\n");
return -1;
}
Data |= 0x80;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->SpRegOffset,Data);
- if(status<0){
+ status = ATEN2011_set_reg_sync(port, ATEN2011_port->SpRegOffset, Data);
+ if (status < 0) {
DPRINTK("writing Spreg failed\n");
return -1;
}
Data &= ~0x80;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->SpRegOffset,Data);
- if(status<0){
+ status = ATEN2011_set_reg_sync(port, ATEN2011_port->SpRegOffset, Data);
+ if (status < 0) {
DPRINTK("writing Spreg failed\n");
return -1;
}
-
//End of block to be checked
//**************************CHECK***************************//
- if(RS485mode==0)
- Data = 0xC0;
- else
- Data = 0x00;
- status=0;
- status=ATEN2011_set_Uart_Reg(port,SCRATCH_PAD_REGISTER,Data);
- if(status<0) {
- DPRINTK("Writing SCRATCH_PAD_REGISTER failed status-0x%x\n", status);
- return -1;
- }
- else DPRINTK("SCRATCH_PAD_REGISTER Writing success status%d\n",status);
-
+ if (RS485mode == 0)
+ Data = 0xC0;
+ else
+ Data = 0x00;
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, SCRATCH_PAD_REGISTER, Data);
+ if (status < 0) {
+ DPRINTK("Writing SCRATCH_PAD_REGISTER failed status-0x%x\n",
+ status);
+ return -1;
+ } else
+ DPRINTK("SCRATCH_PAD_REGISTER Writing success status%d\n",
+ status);
//**************************CHECK***************************//
- status=0;
- Data=0x0;
- status=ATEN2011_get_reg_sync(port,ATEN2011_port->ControlRegOffset,&Data);
- if(status<0){
+ status = 0;
+ Data = 0x0;
+ status =
+ ATEN2011_get_reg_sync(port, ATEN2011_port->ControlRegOffset, &Data);
+ if (status < 0) {
DPRINTK("Reading Controlreg failed\n");
return -1;
}
- Data |= 0x08;//Driver done bit
+ Data |= 0x08; //Driver done bit
/*
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->ControlRegOffset,Data);
- if(status<0){
- DPRINTK("writing Controlreg failed\n");
- return -1;
- }
- */
- Data |= 0x20;//rx_disable
- status=0;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->ControlRegOffset,Data);
- if(status<0){
+ status = ATEN2011_set_reg_sync(port,ATEN2011_port->ControlRegOffset,Data);
+ if(status<0){
+ DPRINTK("writing Controlreg failed\n");
+ return -1;
+ }
+ */
+ Data |= 0x20; //rx_disable
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data);
+ if (status < 0) {
DPRINTK("writing Controlreg failed\n");
return -1;
}
-
//do register settings here
// Set all regs to the device default values.
////////////////////////////////////
////////////////////////////////////
Data = 0x00;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,INTERRUPT_ENABLE_REGISTER,Data);
- if(status<0){
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, INTERRUPT_ENABLE_REGISTER, Data);
+ if (status < 0) {
DPRINTK("disableing interrupts failed\n");
return -1;
}
- // Set FIFO_CONTROL_REGISTER to the default value
+ // Set FIFO_CONTROL_REGISTER to the default value
Data = 0x00;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,FIFO_CONTROL_REGISTER,Data);
- if(status<0){
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, FIFO_CONTROL_REGISTER, Data);
+ if (status < 0) {
DPRINTK("Writing FIFO_CONTROL_REGISTER failed\n");
return -1;
}
- Data = 0xcf; //chk
- status=0;
- status = ATEN2011_set_Uart_Reg(port,FIFO_CONTROL_REGISTER,Data);
- if(status<0){
+ Data = 0xcf; //chk
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, FIFO_CONTROL_REGISTER, Data);
+ if (status < 0) {
DPRINTK("Writing FIFO_CONTROL_REGISTER failed\n");
return -1;
}
- Data = 0x03; //LCR_BITS_8
- status=0;
- status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
- ATEN2011_port->shadowLCR=Data;
+ Data = 0x03; //LCR_BITS_8
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
+ ATEN2011_port->shadowLCR = Data;
- Data = 0x0b; // MCR_DTR|MCR_RTS|MCR_MASTER_IE
- status=0;
- status = ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
- ATEN2011_port->shadowMCR=Data;
+ Data = 0x0b; // MCR_DTR|MCR_RTS|MCR_MASTER_IE
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
+ ATEN2011_port->shadowMCR = Data;
#ifdef Check
Data = 0x00;
- status=0;
- status = ATEN2011_get_Uart_Reg(port,LINE_CONTROL_REGISTER,&Data);
- ATEN2011_port->shadowLCR=Data;
+ status = 0;
+ status = ATEN2011_get_Uart_Reg(port, LINE_CONTROL_REGISTER, &Data);
+ ATEN2011_port->shadowLCR = Data;
- Data |= SERIAL_LCR_DLAB; //data latch enable in LCR 0x80
+ Data |= SERIAL_LCR_DLAB; //data latch enable in LCR 0x80
status = 0;
- status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
+ status = ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
Data = 0x0c;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_LSB,Data);
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, DIVISOR_LATCH_LSB, Data);
Data = 0x0;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_MSB,Data);
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, DIVISOR_LATCH_MSB, Data);
Data = 0x00;
- status=0;
- status = ATEN2011_get_Uart_Reg(port,LINE_CONTROL_REGISTER,&Data);
+ status = 0;
+ status = ATEN2011_get_Uart_Reg(port, LINE_CONTROL_REGISTER, &Data);
-// Data = ATEN2011_port->shadowLCR; //data latch disable
+// Data = ATEN2011_port->shadowLCR; //data latch disable
Data = Data & ~SERIAL_LCR_DLAB;
status = 0;
- status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
- ATEN2011_port->shadowLCR=Data;
+ status = ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
+ ATEN2011_port->shadowLCR = Data;
#endif
//clearing Bulkin and Bulkout Fifo
Data = 0x0;
status = 0;
- status = ATEN2011_get_reg_sync(port,ATEN2011_port->SpRegOffset,&Data);
+ status = ATEN2011_get_reg_sync(port, ATEN2011_port->SpRegOffset, &Data);
Data = Data | 0x0c;
status = 0;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->SpRegOffset,Data);
+ status = ATEN2011_set_reg_sync(port, ATEN2011_port->SpRegOffset, Data);
Data = Data & ~0x0c;
status = 0;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->SpRegOffset,Data);
+ status = ATEN2011_set_reg_sync(port, ATEN2011_port->SpRegOffset, Data);
//Finally enable all interrupts
Data = 0x0;
Data = 0x0c;
status = 0;
- status = ATEN2011_set_Uart_Reg(port,INTERRUPT_ENABLE_REGISTER,Data);
+ status = ATEN2011_set_Uart_Reg(port, INTERRUPT_ENABLE_REGISTER, Data);
//clearing rx_disable
Data = 0x0;
status = 0;
- status = ATEN2011_get_reg_sync(port,ATEN2011_port->ControlRegOffset,&Data);
+ status =
+ ATEN2011_get_reg_sync(port, ATEN2011_port->ControlRegOffset, &Data);
Data = Data & ~0x20;
status = 0;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->ControlRegOffset,Data);
+ status =
+ ATEN2011_set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data);
// rx_negate
Data = 0x0;
status = 0;
- status = ATEN2011_get_reg_sync(port,ATEN2011_port->ControlRegOffset,&Data);
- Data = Data |0x10;
+ status =
+ ATEN2011_get_reg_sync(port, ATEN2011_port->ControlRegOffset, &Data);
+ Data = Data | 0x10;
status = 0;
- status = ATEN2011_set_reg_sync(port,ATEN2011_port->ControlRegOffset,Data);
-
+ status =
+ ATEN2011_set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data);
/* force low_latency on so that our tty_push actually forces *
* the data through,otherwise it is scheduled, and with *
/* Check to see if we've set up our endpoint info yet *
* (can't set it up in ATEN2011_startup as the structures *
* were not set up at that time.) */
-if(ATEN2011_serial->NoOfOpenPorts==1)
-{
- // start the status polling here
- ATEN2011_serial->status_polling_started = TRUE;
- //if (ATEN2011_serial->interrupt_in_buffer == NULL)
- // {
+ if (ATEN2011_serial->NoOfOpenPorts == 1) {
+ // start the status polling here
+ ATEN2011_serial->status_polling_started = TRUE;
+ //if (ATEN2011_serial->interrupt_in_buffer == NULL)
+ // {
/* If not yet set, Set here */
- ATEN2011_serial->interrupt_in_buffer = serial->port[0]->interrupt_in_buffer;
- ATEN2011_serial->interrupt_in_endpoint = serial->port[0]->interrupt_in_endpointAddress;
+ ATEN2011_serial->interrupt_in_buffer =
+ serial->port[0]->interrupt_in_buffer;
+ ATEN2011_serial->interrupt_in_endpoint =
+ serial->port[0]->interrupt_in_endpointAddress;
//printk(" interrupt endpoint:%d \n",ATEN2011_serial->interrupt_in_endpoint);
- ATEN2011_serial->interrupt_read_urb = serial->port[0]->interrupt_in_urb;
-
- /* set up interrupt urb */
- usb_fill_int_urb( \
- ATEN2011_serial->interrupt_read_urb, \
- serial->dev, \
- usb_rcvintpipe(serial->dev,ATEN2011_serial->interrupt_in_endpoint), \
- ATEN2011_serial->interrupt_in_buffer, \
- ATEN2011_serial->interrupt_read_urb->transfer_buffer_length,\
- ATEN2011_interrupt_callback, ATEN2011_serial, \
- ATEN2011_serial->interrupt_read_urb->interval );
-
- /* start interrupt read for ATEN2011 *
- * will continue as long as ATEN2011 is connected */
-
- response = usb_submit_urb (ATEN2011_serial->interrupt_read_urb,GFP_KERNEL);
- if (response)
- {
- DPRINTK("%s - Error %d submitting interrupt urb", __FUNCTION__, response);
- }
- // else
- // printk(" interrupt URB submitted\n");
+ ATEN2011_serial->interrupt_read_urb =
+ serial->port[0]->interrupt_in_urb;
+
+ /* set up interrupt urb */
+ usb_fill_int_urb(ATEN2011_serial->interrupt_read_urb,
+ serial->dev,
+ usb_rcvintpipe(serial->dev,
+ ATEN2011_serial->
+ interrupt_in_endpoint),
+ ATEN2011_serial->interrupt_in_buffer,
+ ATEN2011_serial->interrupt_read_urb->
+ transfer_buffer_length,
+ ATEN2011_interrupt_callback, ATEN2011_serial,
+ ATEN2011_serial->interrupt_read_urb->interval);
+
+ /* start interrupt read for ATEN2011 *
+ * will continue as long as ATEN2011 is connected */
+
+ response =
+ usb_submit_urb(ATEN2011_serial->interrupt_read_urb,
+ GFP_KERNEL);
+ if (response) {
+ DPRINTK("%s - Error %d submitting interrupt urb",
+ __FUNCTION__, response);
+ }
+ // else
+ // printk(" interrupt URB submitted\n");
- //}
+ //}
-}
+ }
//#endif
-
///////////////////////
- /* see if we've set up our endpoint info yet *
+ /* see if we've set up our endpoint info yet *
* (can't set it up in ATEN2011_startup as the *
* structures were not set up at that time.) */
- DPRINTK("port number is %d \n",port->number);
- DPRINTK("serial number is %d \n",port->serial->minor);
- DPRINTK("Bulkin endpoint is %d \n",port->bulk_in_endpointAddress);
- DPRINTK("BulkOut endpoint is %d \n",port->bulk_out_endpointAddress);
- DPRINTK("Interrupt endpoint is %d \n",port->interrupt_in_endpointAddress);
- DPRINTK("port's number in the device is %d\n",ATEN2011_port->port_num);
- ATEN2011_port->bulk_in_buffer = port->bulk_in_buffer;
- ATEN2011_port->bulk_in_endpoint = port->bulk_in_endpointAddress;
- ATEN2011_port->read_urb = port->read_urb;
+ DPRINTK("port number is %d \n", port->number);
+ DPRINTK("serial number is %d \n", port->serial->minor);
+ DPRINTK("Bulkin endpoint is %d \n", port->bulk_in_endpointAddress);
+ DPRINTK("BulkOut endpoint is %d \n", port->bulk_out_endpointAddress);
+ DPRINTK("Interrupt endpoint is %d \n",
+ port->interrupt_in_endpointAddress);
+ DPRINTK("port's number in the device is %d\n", ATEN2011_port->port_num);
+ ATEN2011_port->bulk_in_buffer = port->bulk_in_buffer;
+ ATEN2011_port->bulk_in_endpoint = port->bulk_in_endpointAddress;
+ ATEN2011_port->read_urb = port->read_urb;
ATEN2011_port->bulk_out_endpoint = port->bulk_out_endpointAddress;
- minor = port->serial->minor;
- if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
+ minor = port->serial->minor;
+ if (minor == SERIAL_TTY_NO_MINOR)
+ minor = 0;
/* set up our bulk in urb */
- if((ATEN2011_serial->ATEN2011_spectrum_2or4ports==2)&&(((__u16)port->number - (__u16)(minor)) != 0))
- {
- usb_fill_bulk_urb(
- ATEN2011_port->read_urb,serial->dev,\
- usb_rcvbulkpipe(serial->dev, (port->bulk_in_endpointAddress+2)),\
- port->bulk_in_buffer,\
- ATEN2011_port->read_urb->transfer_buffer_length, \
- ATEN2011_bulk_in_callback,ATEN2011_port);
- }
- else
- usb_fill_bulk_urb(
- ATEN2011_port->read_urb, \
- serial->dev, \
- usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),\
- port->bulk_in_buffer, \
- ATEN2011_port->read_urb->transfer_buffer_length, \
- ATEN2011_bulk_in_callback,ATEN2011_port);
-
- DPRINTK("ATEN2011_open: bulkin endpoint is %d\n",port->bulk_in_endpointAddress);
- response = usb_submit_urb (ATEN2011_port->read_urb,GFP_KERNEL);
- if (response)
- {
- err("%s - Error %d submitting control urb", __FUNCTION__, response);
- }
-
- /* initialize our wait queues */
- init_waitqueue_head(&ATEN2011_port->wait_open);
- init_waitqueue_head(&ATEN2011_port->wait_chase);
- init_waitqueue_head(&ATEN2011_port->delta_msr_wait);
- init_waitqueue_head(&ATEN2011_port->wait_command);
-
- /* initialize our icount structure */
- memset (&(ATEN2011_port->icount), 0x00, sizeof(ATEN2011_port->icount));
-
- /* initialize our port settings */
- ATEN2011_port->shadowMCR = MCR_MASTER_IE; /* Must set to enable ints! */
- ATEN2011_port->chaseResponsePending = FALSE;
- /* send a open port command */
- ATEN2011_port->openPending = FALSE;
- ATEN2011_port->open = TRUE;
+ if ((ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2)
+ && (((__u16) port->number - (__u16) (minor)) != 0)) {
+ usb_fill_bulk_urb(ATEN2011_port->read_urb, serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ (port->
+ bulk_in_endpointAddress +
+ 2)), port->bulk_in_buffer,
+ ATEN2011_port->read_urb->
+ transfer_buffer_length,
+ ATEN2011_bulk_in_callback, ATEN2011_port);
+ } else
+ usb_fill_bulk_urb(ATEN2011_port->read_urb,
+ serial->dev,
+ usb_rcvbulkpipe(serial->dev,
+ port->
+ bulk_in_endpointAddress),
+ port->bulk_in_buffer,
+ ATEN2011_port->read_urb->
+ transfer_buffer_length,
+ ATEN2011_bulk_in_callback, ATEN2011_port);
+
+ DPRINTK("ATEN2011_open: bulkin endpoint is %d\n",
+ port->bulk_in_endpointAddress);
+ response = usb_submit_urb(ATEN2011_port->read_urb, GFP_KERNEL);
+ if (response) {
+ err("%s - Error %d submitting control urb", __FUNCTION__,
+ response);
+ }
+
+ /* initialize our wait queues */
+ init_waitqueue_head(&ATEN2011_port->wait_open);
+ init_waitqueue_head(&ATEN2011_port->wait_chase);
+ init_waitqueue_head(&ATEN2011_port->delta_msr_wait);
+ init_waitqueue_head(&ATEN2011_port->wait_command);
+
+ /* initialize our icount structure */
+ memset(&(ATEN2011_port->icount), 0x00, sizeof(ATEN2011_port->icount));
+
+ /* initialize our port settings */
+ ATEN2011_port->shadowMCR = MCR_MASTER_IE; /* Must set to enable ints! */
+ ATEN2011_port->chaseResponsePending = FALSE;
+ /* send a open port command */
+ ATEN2011_port->openPending = FALSE;
+ ATEN2011_port->open = TRUE;
//ATEN2011_change_port_settings(ATEN2011_port,old_termios);
/* Setup termios */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- ATEN2011_set_termios (tty, port, &tmp_termios);
+ ATEN2011_set_termios(tty, port, &tmp_termios);
#else
- ATEN2011_set_termios (port, &tmp_termios);
+ ATEN2011_set_termios(port, &tmp_termios);
#endif
- ATEN2011_port->rxBytesAvail = 0x0;
- ATEN2011_port->icount.tx=0;
- ATEN2011_port->icount.rx=0;
-
- DPRINTK("\n\nusb_serial serial:%x ATEN2011_port:%x\nATEN2011_serial:%x usb_serial_port port:%x\n\n",(unsigned int)serial,(unsigned int)ATEN2011_port,(unsigned int)ATEN2011_serial,(unsigned int)port);
+ ATEN2011_port->rxBytesAvail = 0x0;
+ ATEN2011_port->icount.tx = 0;
+ ATEN2011_port->icount.rx = 0;
+ DPRINTK
+ ("\n\nusb_serial serial:%x ATEN2011_port:%x\nATEN2011_serial:%x usb_serial_port port:%x\n\n",
+ (unsigned int)serial, (unsigned int)ATEN2011_port,
+ (unsigned int)ATEN2011_serial, (unsigned int)port);
-
-
- return 0;
+ return 0;
}
-
/*****************************************************************************
* ATEN2011_close
* this function is called by the tty driver when a port is closed
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp)
+static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
#else
static void ATEN2011_close(struct usb_serial_port *port, struct file *filp)
#endif
struct usb_serial *serial;
struct ATENINTL_serial *ATEN2011_serial;
struct ATENINTL_port *ATEN2011_port;
- int no_urbs;
- __u16 Data;
+ int no_urbs;
+ __u16 Data;
//__u16 Data1= 20;
- DPRINTK("%s\n","ATEN2011_close:entering...");
+ DPRINTK("%s\n", "ATEN2011_close:entering...");
/* MATRIX */
//ThreadState = 1;
/* MATRIX */
//printk("Entering... :ATEN2011_close\n");
- if (ATEN2011_port_paranoia_check (port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return;
}
- serial = ATEN2011_get_usb_serial (port, __FUNCTION__);
- if (!serial)
- {
- DPRINTK("%s","Serial Paranoia failed \n");
+ serial = ATEN2011_get_usb_serial(port, __FUNCTION__);
+ if (!serial) {
+ DPRINTK("%s", "Serial Paranoia failed \n");
return;
}
// take the Adpater and port's private data
ATEN2011_serial = ATEN2011_get_serial_private(serial);
ATEN2011_port = ATEN2011_get_port_private(port);
- if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL))
- {
+ if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL)) {
return;
}
- if (serial->dev)
- {
- /* flush and block(wait) until tx is empty*/
+ if (serial->dev) {
+ /* flush and block(wait) until tx is empty */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
ATEN2011_block_until_tx_empty(tty, ATEN2011_port);
#else
#endif
}
// kill the ports URB's
- for (no_urbs = 0; no_urbs < NUM_URBS;no_urbs++)
- usb_kill_urb (ATEN2011_port->write_urb_pool[no_urbs]);
- /* Freeing Write URBs*/
- for (no_urbs = 0; no_urbs< NUM_URBS; ++no_urbs)
- {
- if (ATEN2011_port->write_urb_pool[no_urbs])
- {
- if (ATEN2011_port->write_urb_pool[no_urbs]->transfer_buffer)
- kfree(ATEN2011_port->write_urb_pool[no_urbs]->transfer_buffer);
- usb_free_urb (ATEN2011_port->write_urb_pool[no_urbs]);
- }
- }
+ for (no_urbs = 0; no_urbs < NUM_URBS; no_urbs++)
+ usb_kill_urb(ATEN2011_port->write_urb_pool[no_urbs]);
+ /* Freeing Write URBs */
+ for (no_urbs = 0; no_urbs < NUM_URBS; ++no_urbs) {
+ if (ATEN2011_port->write_urb_pool[no_urbs]) {
+ if (ATEN2011_port->write_urb_pool[no_urbs]->
+ transfer_buffer)
+ kfree(ATEN2011_port->write_urb_pool[no_urbs]->
+ transfer_buffer);
+ usb_free_urb(ATEN2011_port->write_urb_pool[no_urbs]);
+ }
+ }
/* While closing port, shutdown all bulk read, write *
* and interrupt read if they exists */
- if (serial->dev)
- {
- if (ATEN2011_port->write_urb)
- {
- DPRINTK("%s","Shutdown bulk write\n");
- usb_kill_urb (ATEN2011_port->write_urb);
+ if (serial->dev) {
+ if (ATEN2011_port->write_urb) {
+ DPRINTK("%s", "Shutdown bulk write\n");
+ usb_kill_urb(ATEN2011_port->write_urb);
}
- if (ATEN2011_port->read_urb)
- {
- DPRINTK("%s","Shutdown bulk read\n");
- usb_kill_urb (ATEN2011_port->read_urb);
+ if (ATEN2011_port->read_urb) {
+ DPRINTK("%s", "Shutdown bulk read\n");
+ usb_kill_urb(ATEN2011_port->read_urb);
}
- if((&ATEN2011_port->control_urb))
- {
- DPRINTK("%s","Shutdown control read\n");
- // usb_kill_urb (ATEN2011_port->control_urb);
+ if ((&ATEN2011_port->control_urb)) {
+ DPRINTK("%s", "Shutdown control read\n");
+ // usb_kill_urb (ATEN2011_port->control_urb);
}
}
//if(ATEN2011_port->ctrl_buf != NULL)
- //kfree(ATEN2011_port->ctrl_buf);
+ //kfree(ATEN2011_port->ctrl_buf);
// decrement the no.of open ports counter of an individual USB-serial adapter.
ATEN2011_serial->NoOfOpenPorts--;
- DPRINTK("NoOfOpenPorts in close%d:in port%d\n",ATEN2011_serial->NoOfOpenPorts,port->number);
+ DPRINTK("NoOfOpenPorts in close%d:in port%d\n",
+ ATEN2011_serial->NoOfOpenPorts, port->number);
//printk("the num of ports opend is:%d\n",ATEN2011_serial->NoOfOpenPorts);
- if(ATEN2011_serial->NoOfOpenPorts==0)
- {
+ if (ATEN2011_serial->NoOfOpenPorts == 0) {
//stop the stus polling here
//printk("disabling the status polling flag to FALSE :\n");
ATEN2011_serial->status_polling_started = FALSE;
- if(ATEN2011_serial->interrupt_read_urb)
- {
- DPRINTK("%s","Shutdown interrupt_read_urb\n");
+ if (ATEN2011_serial->interrupt_read_urb) {
+ DPRINTK("%s", "Shutdown interrupt_read_urb\n");
//ATEN2011_serial->interrupt_in_buffer=NULL;
//usb_kill_urb (ATEN2011_serial->interrupt_read_urb);
}
}
- if (ATEN2011_port->write_urb)
- {
+ if (ATEN2011_port->write_urb) {
/* if this urb had a transfer buffer already (old tx) free it */
- if (ATEN2011_port->write_urb->transfer_buffer != NULL)
- {
+ if (ATEN2011_port->write_urb->transfer_buffer != NULL) {
kfree(ATEN2011_port->write_urb->transfer_buffer);
}
usb_free_urb(ATEN2011_port->write_urb);
}
// clear the MCR & IER
Data = 0x00;
- ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
Data = 0x00;
- ATEN2011_set_Uart_Reg(port,INTERRUPT_ENABLE_REGISTER,Data);
+ ATEN2011_set_Uart_Reg(port, INTERRUPT_ENABLE_REGISTER, Data);
//ATEN2011_get_Uart_Reg(port,MODEM_CONTROL_REGISTER,&Data1);
//printk("value of MCR after closing the port is : 0x%x\n",Data1);
- ATEN2011_port->open = FALSE;
+ ATEN2011_port->open = FALSE;
ATEN2011_port->closePending = FALSE;
- ATEN2011_port->openPending = FALSE;
- DPRINTK("%s \n","Leaving ............");
+ ATEN2011_port->openPending = FALSE;
+ DPRINTK("%s \n", "Leaving ............");
}
-
/*****************************************************************************
* SerialBreak
* this function sends a break to the port
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
struct usb_serial_port *port = tty->driver_data;
#endif
- unsigned char data;
+ unsigned char data;
struct usb_serial *serial;
struct ATENINTL_serial *ATEN2011_serial;
struct ATENINTL_port *ATEN2011_port;
- DPRINTK("%s \n","Entering ...........");
+ DPRINTK("%s \n", "Entering ...........");
DPRINTK("ATEN2011_break: Start\n");
- if (ATEN2011_port_paranoia_check (port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return;
}
- serial = ATEN2011_get_usb_serial (port, __FUNCTION__);
- if (!serial)
- {
- DPRINTK("%s","Serial Paranoia failed \n");
+ serial = ATEN2011_get_usb_serial(port, __FUNCTION__);
+ if (!serial) {
+ DPRINTK("%s", "Serial Paranoia failed \n");
return;
}
ATEN2011_serial = ATEN2011_get_serial_private(serial);
ATEN2011_port = ATEN2011_get_port_private(port);
- if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL))
- {
+ if ((ATEN2011_serial == NULL) || (ATEN2011_port == NULL)) {
return;
}
/* flush and chase */
ATEN2011_port->chaseResponsePending = TRUE;
- if (serial->dev)
- {
+ if (serial->dev) {
- /* flush and block until tx is empty*/
+ /* flush and block until tx is empty */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
ATEN2011_block_until_chase_response(tty, ATEN2011_port);
#else
#endif
}
- if(break_state == -1)
- {
- data = ATEN2011_port->shadowLCR | LCR_SET_BREAK;
- }
- else
- {
- data = ATEN2011_port->shadowLCR & ~LCR_SET_BREAK;
- }
+ if (break_state == -1) {
+ data = ATEN2011_port->shadowLCR | LCR_SET_BREAK;
+ } else {
+ data = ATEN2011_port->shadowLCR & ~LCR_SET_BREAK;
+ }
- ATEN2011_port->shadowLCR = data;
- DPRINTK("ATEN2011_break ATEN2011_port->shadowLCR is %x\n",ATEN2011_port->shadowLCR);
- ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,ATEN2011_port->shadowLCR);
+ ATEN2011_port->shadowLCR = data;
+ DPRINTK("ATEN2011_break ATEN2011_port->shadowLCR is %x\n",
+ ATEN2011_port->shadowLCR);
+ ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER,
+ ATEN2011_port->shadowLCR);
return;
}
-
/************************************************************************
*
* ATEN2011_block_until_chase_response
************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_block_until_chase_response(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port)
+static void ATEN2011_block_until_chase_response(struct tty_struct *tty,
+ struct ATENINTL_port
+ *ATEN2011_port)
#else
-static void ATEN2011_block_until_chase_response(struct ATENINTL_port *ATEN2011_port)
+static void ATEN2011_block_until_chase_response(struct ATENINTL_port
+ *ATEN2011_port)
#endif
{
- int timeout = 1*HZ;
+ int timeout = 1 * HZ;
int wait = 10;
- int count ;
-
+ int count;
- while (1)
- {
+ while (1) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
count = ATEN2011_chars_in_buffer(tty);
#else
#endif
/* Check for Buffer status */
- if(count<=0)
- {
+ if (count <= 0) {
ATEN2011_port->chaseResponsePending = FALSE;
return;
}
/* Block the thread for a while */
- interruptible_sleep_on_timeout (&ATEN2011_port->wait_chase, timeout);
- /* No activity.. count down section */
+ interruptible_sleep_on_timeout(&ATEN2011_port->wait_chase,
+ timeout);
+ /* No activity.. count down section */
wait--;
- if (wait == 0)
- {
+ if (wait == 0) {
dbg("%s - TIMEOUT", __FUNCTION__);
return;
- }
- else
- {
- /* Reset timout value back to seconds */
+ } else {
+ /* Reset timout value back to seconds */
wait = 10;
}
}
}
-
/************************************************************************
*
* ATEN2011_block_until_tx_empty
*
************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_block_until_tx_empty(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port)
+static void ATEN2011_block_until_tx_empty(struct tty_struct *tty,
+ struct ATENINTL_port *ATEN2011_port)
#else
static void ATEN2011_block_until_tx_empty(struct ATENINTL_port *ATEN2011_port)
#endif
{
- int timeout = HZ/10;
+ int timeout = HZ / 10;
int wait = 30;
int count;
- while (1)
- {
+ while (1) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
count = ATEN2011_chars_in_buffer(tty);
count = ATEN2011_chars_in_buffer(ATEN2011_port->port);
#endif
- /* Check for Buffer status */
- if(count<=0)
- {
+ /* Check for Buffer status */
+ if (count <= 0) {
return;
}
- /* Block the thread for a while */
- interruptible_sleep_on_timeout (&ATEN2011_port->wait_chase, timeout);
+ /* Block the thread for a while */
+ interruptible_sleep_on_timeout(&ATEN2011_port->wait_chase,
+ timeout);
- /* No activity.. count down section */
+ /* No activity.. count down section */
wait--;
- if (wait == 0)
- {
+ if (wait == 0) {
dbg("%s - TIMEOUT", __FUNCTION__);
return;
- }
- else
- {
- /* Reset timout value back to seconds */
+ } else {
+ /* Reset timout value back to seconds */
wait = 30;
}
}
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int ATEN2011_write_room (struct tty_struct *tty)
+static int ATEN2011_write_room(struct tty_struct *tty)
#else
-static int ATEN2011_write_room (struct usb_serial_port *port)
+static int ATEN2011_write_room(struct usb_serial_port *port)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial_port *port = tty->driver_data;
#endif
- int i;
- int room = 0;
- struct ATENINTL_port *ATEN2011_port;
-
+ int i;
+ int room = 0;
+ struct ATENINTL_port *ATEN2011_port;
-// DPRINTK("%s \n"," ATEN2011_write_room:entering ...........");
+// DPRINTK("%s \n"," ATEN2011_write_room:entering ...........");
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
- DPRINTK("%s \n"," ATEN2011_write_room:leaving ...........");
- return -1;
- }
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
+ DPRINTK("%s \n", " ATEN2011_write_room:leaving ...........");
+ return -1;
+ }
- ATEN2011_port = ATEN2011_get_port_private(port);
- if (ATEN2011_port == NULL)
- {
- DPRINTK("%s \n","ATEN2011_break:leaving ...........");
- return -1;
- }
+ ATEN2011_port = ATEN2011_get_port_private(port);
+ if (ATEN2011_port == NULL) {
+ DPRINTK("%s \n", "ATEN2011_break:leaving ...........");
+ return -1;
+ }
- for (i = 0; i < NUM_URBS; ++i)
- {
- if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS)
- {
- room += URB_TRANSFER_BUFFER_SIZE;
- }
- }
+ for (i = 0; i < NUM_URBS; ++i) {
+ if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS) {
+ room += URB_TRANSFER_BUFFER_SIZE;
+ }
+ }
- dbg("%s - returns %d", __FUNCTION__, room);
- return (room);
+ dbg("%s - returns %d", __FUNCTION__, room);
+ return (room);
}
-
/*****************************************************************************
* ATEN2011_chars_in_buffer
* this function is called by the tty driver when it wants to know how many
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial_port *port = tty->driver_data;
#endif
int i;
- int chars = 0;
- struct ATENINTL_port *ATEN2011_port;
+ int chars = 0;
+ struct ATENINTL_port *ATEN2011_port;
//DPRINTK("%s \n"," ATEN2011_chars_in_buffer:entering ...........");
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return -1;
}
- ATEN2011_port = ATEN2011_get_port_private(port);
- if (ATEN2011_port == NULL)
- {
- DPRINTK("%s \n","ATEN2011_break:leaving ...........");
- return -1;
- }
+ ATEN2011_port = ATEN2011_get_port_private(port);
+ if (ATEN2011_port == NULL) {
+ DPRINTK("%s \n", "ATEN2011_break:leaving ...........");
+ return -1;
+ }
- for (i = 0; i < NUM_URBS; ++i)
- {
- if (ATEN2011_port->write_urb_pool[i]->status == -EINPROGRESS)
- {
- chars += URB_TRANSFER_BUFFER_SIZE;
- }
- }
- dbg("%s - returns %d", __FUNCTION__, chars);
- return (chars);
+ for (i = 0; i < NUM_URBS; ++i) {
+ if (ATEN2011_port->write_urb_pool[i]->status == -EINPROGRESS) {
+ chars += URB_TRANSFER_BUFFER_SIZE;
+ }
+ }
+ dbg("%s - returns %d", __FUNCTION__, chars);
+ return (chars);
}
-
/*****************************************************************************
* SerialWrite
* this function is called by the tty driver when data should be written to
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int ATEN2011_write (struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *data, int count)
+static int ATEN2011_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *data, int count)
#else
-static int ATEN2011_write (struct usb_serial_port *port, const unsigned char *data, int count)
+static int ATEN2011_write(struct usb_serial_port *port,
+ const unsigned char *data, int count)
#endif
{
int status;
int i;
int bytes_sent = 0;
int transfer_size;
- int from_user=0;
+ int from_user = 0;
int minor;
struct ATENINTL_port *ATEN2011_port;
struct usb_serial *serial;
struct ATENINTL_serial *ATEN2011_serial;
- struct urb *urb;
+ struct urb *urb;
//__u16 Data;
const unsigned char *current_position = data;
- unsigned char * data1;
- DPRINTK("%s \n","entering ...........");
+ unsigned char *data1;
+ DPRINTK("%s \n", "entering ...........");
//DPRINTK("ATEN2011_write: ATEN2011_port->shadowLCR is %x\n",ATEN2011_port->shadowLCR);
- #ifdef NOTATEN2011
+#ifdef NOTATEN2011
Data = 0x00;
- status=0;
- status = ATEN2011_get_Uart_Reg(port,LINE_CONTROL_REGISTER,&Data);
+ status = 0;
+ status = ATEN2011_get_Uart_Reg(port, LINE_CONTROL_REGISTER, &Data);
ATEN2011_port->shadowLCR = Data;
- DPRINTK("ATEN2011_write: LINE_CONTROL_REGISTER is %x\n",Data);
- DPRINTK("ATEN2011_write: ATEN2011_port->shadowLCR is %x\n",ATEN2011_port->shadowLCR);
+ DPRINTK("ATEN2011_write: LINE_CONTROL_REGISTER is %x\n", Data);
+ DPRINTK("ATEN2011_write: ATEN2011_port->shadowLCR is %x\n",
+ ATEN2011_port->shadowLCR);
//Data = 0x03;
- //status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
- //ATEN2011_port->shadowLCR=Data;//Need to add later
+ //status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
+ //ATEN2011_port->shadowLCR=Data;//Need to add later
- Data |= SERIAL_LCR_DLAB; //data latch enable in LCR 0x80
- status = 0;
- status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
+ Data |= SERIAL_LCR_DLAB; //data latch enable in LCR 0x80
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
//Data = 0x0c;
- //status = ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_LSB,Data);
- Data = 0x00;
- status=0;
- status = ATEN2011_get_Uart_Reg(port,DIVISOR_LATCH_LSB,&Data);
- DPRINTK("ATEN2011_write:DLL value is %x\n",Data);
-
- Data = 0x0;
- status=0;
- status = ATEN2011_get_Uart_Reg(port,DIVISOR_LATCH_MSB,&Data);
- DPRINTK("ATEN2011_write:DLM value is %x\n",Data);
-
- Data = Data & ~SERIAL_LCR_DLAB;
- DPRINTK("ATEN2011_write: ATEN2011_port->shadowLCR is %x\n",ATEN2011_port->shadowLCR);
- status = 0;
- status = ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
- #endif
-
- if (ATEN2011_port_paranoia_check (port, __FUNCTION__))
- {
- DPRINTK("%s","Port Paranoia failed \n");
+ //status = ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_LSB,Data);
+ Data = 0x00;
+ status = 0;
+ status = ATEN2011_get_Uart_Reg(port, DIVISOR_LATCH_LSB, &Data);
+ DPRINTK("ATEN2011_write:DLL value is %x\n", Data);
+
+ Data = 0x0;
+ status = 0;
+ status = ATEN2011_get_Uart_Reg(port, DIVISOR_LATCH_MSB, &Data);
+ DPRINTK("ATEN2011_write:DLM value is %x\n", Data);
+
+ Data = Data & ~SERIAL_LCR_DLAB;
+ DPRINTK("ATEN2011_write: ATEN2011_port->shadowLCR is %x\n",
+ ATEN2011_port->shadowLCR);
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
+#endif
+
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Port Paranoia failed \n");
return -1;
}
serial = port->serial;
- if (ATEN2011_serial_paranoia_check (serial, __FUNCTION__))
- {
- DPRINTK("%s","Serial Paranoia failed \n");
+ if (ATEN2011_serial_paranoia_check(serial, __FUNCTION__)) {
+ DPRINTK("%s", "Serial Paranoia failed \n");
return -1;
}
ATEN2011_port = ATEN2011_get_port_private(port);
- if(ATEN2011_port==NULL)
- {
- DPRINTK("%s","ATEN2011_port is NULL\n");
+ if (ATEN2011_port == NULL) {
+ DPRINTK("%s", "ATEN2011_port is NULL\n");
return -1;
}
- ATEN2011_serial =ATEN2011_get_serial_private(serial);
- if(ATEN2011_serial==NULL)
- {
- DPRINTK("%s","ATEN2011_serial is NULL \n");
+ ATEN2011_serial = ATEN2011_get_serial_private(serial);
+ if (ATEN2011_serial == NULL) {
+ DPRINTK("%s", "ATEN2011_serial is NULL \n");
return -1;
}
+ /* try to find a free urb in the list */
+ urb = NULL;
- /* try to find a free urb in the list */
- urb = NULL;
-
- for (i = 0; i < NUM_URBS; ++i)
- {
- if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS)
- {
- urb = ATEN2011_port->write_urb_pool[i];
- DPRINTK("\nURB:%d",i);
- break;
- }
- }
-
- if (urb == NULL)
- {
- dbg("%s - no more free urbs", __FUNCTION__);
- goto exit;
- }
-
- if (urb->transfer_buffer == NULL)
- {
- urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
-
- if (urb->transfer_buffer == NULL)
- {
- err("%s no more kernel memory...", __FUNCTION__);
- goto exit;
- }
- }
- transfer_size = min (count, URB_TRANSFER_BUFFER_SIZE);
-
- if (from_user)
- {
- if (copy_from_user (urb->transfer_buffer, current_position, transfer_size)) {
- bytes_sent = -EFAULT;
- goto exit;
- }
- }
- else
- {
- memcpy (urb->transfer_buffer, current_position, transfer_size);
- }
- //usb_serial_debug_data (__FILE__, __FUNCTION__, transfer_size, urb->transfer_buffer);
+ for (i = 0; i < NUM_URBS; ++i) {
+ if (ATEN2011_port->write_urb_pool[i]->status != -EINPROGRESS) {
+ urb = ATEN2011_port->write_urb_pool[i];
+ DPRINTK("\nURB:%d", i);
+ break;
+ }
+ }
- /* fill urb with data and submit */
- minor = port->serial->minor;
- if (minor == SERIAL_TTY_NO_MINOR);
- minor = 0;
- if((ATEN2011_serial->ATEN2011_spectrum_2or4ports==2)&&(((__u16)port->number - (__u16)(minor)) != 0))
- {
- usb_fill_bulk_urb (urb,
- ATEN2011_serial->serial->dev,
- usb_sndbulkpipe(ATEN2011_serial->serial->dev,
- (port->bulk_out_endpointAddress)+2),
- urb->transfer_buffer,
- transfer_size,
- ATEN2011_bulk_out_data_callback,
- ATEN2011_port);
- }
- else
+ if (urb == NULL) {
+ dbg("%s - no more free urbs", __FUNCTION__);
+ goto exit;
+ }
+ if (urb->transfer_buffer == NULL) {
+ urb->transfer_buffer =
+ kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
+ if (urb->transfer_buffer == NULL) {
+ err("%s no more kernel memory...", __FUNCTION__);
+ goto exit;
+ }
+ }
+ transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE);
- usb_fill_bulk_urb (urb,
- ATEN2011_serial->serial->dev,
- usb_sndbulkpipe(ATEN2011_serial->serial->dev,
- port->bulk_out_endpointAddress),
- urb->transfer_buffer,
- transfer_size,
- ATEN2011_bulk_out_data_callback,
- ATEN2011_port);
+ if (from_user) {
+ if (copy_from_user
+ (urb->transfer_buffer, current_position, transfer_size)) {
+ bytes_sent = -EFAULT;
+ goto exit;
+ }
+ } else {
+ memcpy(urb->transfer_buffer, current_position, transfer_size);
+ }
+ //usb_serial_debug_data (__FILE__, __FUNCTION__, transfer_size, urb->transfer_buffer);
- data1=urb->transfer_buffer;
- DPRINTK("\nbulkout endpoint is %d",port->bulk_out_endpointAddress);
+ /* fill urb with data and submit */
+ minor = port->serial->minor;
+ if (minor == SERIAL_TTY_NO_MINOR) ;
+ minor = 0;
+ if ((ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2)
+ && (((__u16) port->number - (__u16) (minor)) != 0)) {
+ usb_fill_bulk_urb(urb, ATEN2011_serial->serial->dev,
+ usb_sndbulkpipe(ATEN2011_serial->serial->dev,
+ (port->
+ bulk_out_endpointAddress) +
+ 2), urb->transfer_buffer,
+ transfer_size,
+ ATEN2011_bulk_out_data_callback,
+ ATEN2011_port);
+ } else
+
+ usb_fill_bulk_urb(urb,
+ ATEN2011_serial->serial->dev,
+ usb_sndbulkpipe(ATEN2011_serial->serial->dev,
+ port->
+ bulk_out_endpointAddress),
+ urb->transfer_buffer, transfer_size,
+ ATEN2011_bulk_out_data_callback,
+ ATEN2011_port);
+
+ data1 = urb->transfer_buffer;
+ DPRINTK("\nbulkout endpoint is %d", port->bulk_out_endpointAddress);
//for(i=0;i < urb->actual_length;i++)
- // DPRINTK("Data is %c\n ",data1[i]);
+ // DPRINTK("Data is %c\n ",data1[i]);
- /* send it down the pipe */
- status = usb_submit_urb(urb,GFP_ATOMIC);
+ /* send it down the pipe */
+ status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status)
- {
- err("%s - usb_submit_urb(write bulk) failed with status = %d", __FUNCTION__, status);
- bytes_sent = status;
- goto exit;
- }
- bytes_sent = transfer_size;
- ATEN2011_port->icount.tx += transfer_size;
- DPRINTK("ATEN2011_port->icount.tx is %d:\n",ATEN2011_port->icount.tx);
-exit:
+ if (status) {
+ err("%s - usb_submit_urb(write bulk) failed with status = %d",
+ __FUNCTION__, status);
+ bytes_sent = status;
+ goto exit;
+ }
+ bytes_sent = transfer_size;
+ ATEN2011_port->icount.tx += transfer_size;
+ DPRINTK("ATEN2011_port->icount.tx is %d:\n", ATEN2011_port->icount.tx);
+ exit:
return bytes_sent;
}
-
/*****************************************************************************
* SerialThrottle
* this function is called by the tty driver when it wants to stop the data
struct ATENINTL_port *ATEN2011_port;
int status;
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return;
}
if (ATEN2011_port == NULL)
return;
- if (!ATEN2011_port->open)
- {
- DPRINTK("%s\n","port not opened");
+ if (!ATEN2011_port->open) {
+ DPRINTK("%s\n", "port not opened");
return;
}
- DPRINTK("%s","Entering .......... \n");
+ DPRINTK("%s", "Entering .......... \n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
tty = port->tty;
#endif
- if (!tty)
- {
- dbg ("%s - no tty available", __FUNCTION__);
+ if (!tty) {
+ dbg("%s - no tty available", __FUNCTION__);
return;
}
/* if we are implementing XON/XOFF, send the stop character */
- if (I_IXOFF(tty))
- {
+ if (I_IXOFF(tty)) {
unsigned char stop_char = STOP_CHAR(tty);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- status = ATEN2011_write(tty, port, &stop_char, 1); //FC4
+ status = ATEN2011_write(tty, port, &stop_char, 1); //FC4
#else
- status = ATEN2011_write(port, &stop_char, 1); //FC4
+ status = ATEN2011_write(port, &stop_char, 1); //FC4
#endif
- if (status <= 0)
- {
+ if (status <= 0) {
return;
}
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios->c_cflag & CRTSCTS)
- {
+ if (tty->termios->c_cflag & CRTSCTS) {
ATEN2011_port->shadowMCR &= ~MCR_RTS;
- status=0;
- status=ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,ATEN2011_port->shadowMCR);
+ status = 0;
+ status =
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER,
+ ATEN2011_port->shadowMCR);
- if (status < 0)
- {
+ if (status < 0) {
return;
}
}
return;
}
-
/*****************************************************************************
* ATEN2011_unthrottle
* this function is called by the tty driver when it wants to resume the data
* being read from the port (called after SerialThrottle is called)
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_unthrottle (struct tty_struct *tty)
+static void ATEN2011_unthrottle(struct tty_struct *tty)
#else
-static void ATEN2011_unthrottle (struct usb_serial_port *port)
+static void ATEN2011_unthrottle(struct usb_serial_port *port)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
int status;
struct ATENINTL_port *ATEN2011_port = ATEN2011_get_port_private(port);
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return;
}
return;
}
- DPRINTK("%s","Entering .......... \n");
+ DPRINTK("%s", "Entering .......... \n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
tty = port->tty;
#endif
- if (!tty)
- {
- dbg ("%s - no tty available", __FUNCTION__);
+ if (!tty) {
+ dbg("%s - no tty available", __FUNCTION__);
return;
}
/* if we are implementing XON/XOFF, send the start character */
- if (I_IXOFF(tty))
- {
+ if (I_IXOFF(tty)) {
unsigned char start_char = START_CHAR(tty);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- status = ATEN2011_write (tty, port, &start_char, 1); //FC4
+ status = ATEN2011_write(tty, port, &start_char, 1); //FC4
#else
- status = ATEN2011_write (port, &start_char, 1); //FC4
+ status = ATEN2011_write(port, &start_char, 1); //FC4
#endif
- if (status <= 0)
- {
+ if (status <= 0) {
return;
}
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios->c_cflag & CRTSCTS)
- {
+ if (tty->termios->c_cflag & CRTSCTS) {
ATEN2011_port->shadowMCR |= MCR_RTS;
- status=0;
- status=ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,ATEN2011_port->shadowMCR);
- if (status < 0)
- {
+ status = 0;
+ status =
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER,
+ ATEN2011_port->shadowMCR);
+ if (status < 0) {
return;
}
}
return;
}
-
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
static int ATEN2011_tiocmget(struct tty_struct *tty, struct file *file)
#else
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
struct usb_serial_port *port = tty->driver_data;
#endif
- //struct ti_port *tport = usb_get_serial_port_data(port);
+ //struct ti_port *tport = usb_get_serial_port_data(port);
struct ATENINTL_port *ATEN2011_port;
- unsigned int result;
- __u16 msr;
- __u16 mcr;
- //unsigned int mcr;
- int status=0;
+ unsigned int result;
+ __u16 msr;
+ __u16 mcr;
+ //unsigned int mcr;
+ int status = 0;
ATEN2011_port = ATEN2011_get_port_private(port);
- DPRINTK("%s - port %d", __FUNCTION__, port->number);
+ DPRINTK("%s - port %d", __FUNCTION__, port->number);
- if (ATEN2011_port == NULL)
- return -ENODEV;
+ if (ATEN2011_port == NULL)
+ return -ENODEV;
- status=ATEN2011_get_Uart_Reg(port,MODEM_STATUS_REGISTER,&msr);
- status=ATEN2011_get_Uart_Reg(port,MODEM_CONTROL_REGISTER,&mcr);
+ status = ATEN2011_get_Uart_Reg(port, MODEM_STATUS_REGISTER, &msr);
+ status = ATEN2011_get_Uart_Reg(port, MODEM_CONTROL_REGISTER, &mcr);
// mcr = ATEN2011_port->shadowMCR;
// COMMENT2: the Fallowing three line are commented for updating only MSR values
- result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0)
- | ((mcr & MCR_RTS) ? TIOCM_RTS : 0)
- | ((mcr & MCR_LOOPBACK) ? TIOCM_LOOP : 0)
- | ((msr & ATEN2011_MSR_CTS) ? TIOCM_CTS : 0)
- | ((msr & ATEN2011_MSR_CD) ? TIOCM_CAR : 0)
- | ((msr & ATEN2011_MSR_RI) ? TIOCM_RI : 0)
- | ((msr & ATEN2011_MSR_DSR) ? TIOCM_DSR : 0);
+ result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0)
+ | ((mcr & MCR_RTS) ? TIOCM_RTS : 0)
+ | ((mcr & MCR_LOOPBACK) ? TIOCM_LOOP : 0)
+ | ((msr & ATEN2011_MSR_CTS) ? TIOCM_CTS : 0)
+ | ((msr & ATEN2011_MSR_CD) ? TIOCM_CAR : 0)
+ | ((msr & ATEN2011_MSR_RI) ? TIOCM_RI : 0)
+ | ((msr & ATEN2011_MSR_DSR) ? TIOCM_DSR : 0);
- DPRINTK("%s - 0x%04X", __FUNCTION__, result);
+ DPRINTK("%s - 0x%04X", __FUNCTION__, result);
- return result;
+ return result;
}
-
-
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
static int ATEN2011_tiocmset(struct tty_struct *tty, struct file *file,
- unsigned int set, unsigned int clear)
+ unsigned int set, unsigned int clear)
#else
static int ATEN2011_tiocmset(struct usb_serial_port *port, struct file *file,
- unsigned int set, unsigned int clear)
+ unsigned int set, unsigned int clear)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
struct usb_serial_port *port = tty->driver_data;
#endif
struct ATENINTL_port *ATEN2011_port;
- //struct ti_port *tport = usb_get_serial_port_data(port);
- unsigned int mcr;
+ //struct ti_port *tport = usb_get_serial_port_data(port);
+ unsigned int mcr;
unsigned int status;
- DPRINTK("%s - port %d", __FUNCTION__, port->number);
+ DPRINTK("%s - port %d", __FUNCTION__, port->number);
ATEN2011_port = ATEN2011_get_port_private(port);
if (ATEN2011_port == NULL)
- return -ENODEV;
-
-
-
- mcr = ATEN2011_port->shadowMCR;
- if (clear & TIOCM_RTS)
- mcr &= ~MCR_RTS;
- if (clear & TIOCM_DTR)
- mcr &= ~MCR_DTR;
- if (clear & TIOCM_LOOP)
- mcr &= ~MCR_LOOPBACK;
+ return -ENODEV;
- if (set & TIOCM_RTS)
- mcr |= MCR_RTS;
- if (set & TIOCM_DTR)
- mcr |= MCR_DTR;
- if (set & TIOCM_LOOP)
- mcr |= MCR_LOOPBACK;
+ mcr = ATEN2011_port->shadowMCR;
+ if (clear & TIOCM_RTS)
+ mcr &= ~MCR_RTS;
+ if (clear & TIOCM_DTR)
+ mcr &= ~MCR_DTR;
+ if (clear & TIOCM_LOOP)
+ mcr &= ~MCR_LOOPBACK;
+
+ if (set & TIOCM_RTS)
+ mcr |= MCR_RTS;
+ if (set & TIOCM_DTR)
+ mcr |= MCR_DTR;
+ if (set & TIOCM_LOOP)
+ mcr |= MCR_LOOPBACK;
- ATEN2011_port->shadowMCR = mcr;
+ ATEN2011_port->shadowMCR = mcr;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,mcr);
- if(status <0)
- {
- DPRINTK("setting MODEM_CONTROL_REGISTER Failed\n");
- return -1;
- }
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, mcr);
+ if (status < 0) {
+ DPRINTK("setting MODEM_CONTROL_REGISTER Failed\n");
+ return -1;
+ }
- return 0;
+ return 0;
}
-
-
-
-
-
-
/*****************************************************************************
* SerialSetTermios
* this function is called by the tty driver when it wants to change the termios structure
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios)
+static void ATEN2011_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port,
+ struct ktermios *old_termios)
#else
-static void ATEN2011_set_termios(struct usb_serial_port *port, struct ktermios *old_termios)
+static void ATEN2011_set_termios(struct usb_serial_port *port,
+ struct ktermios *old_termios)
#endif
{
int status;
struct tty_struct *tty;
#endif
DPRINTK("ATEN2011_set_termios: START\n");
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return;
}
serial = port->serial;
- if(ATEN2011_serial_paranoia_check(serial,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid Serial \n");
+ if (ATEN2011_serial_paranoia_check(serial, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid Serial \n");
return;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
tty = port->tty;
- if (!port->tty || !port->tty->termios)
- {
- dbg ("%s - no tty or termios", __FUNCTION__);
+ if (!port->tty || !port->tty->termios) {
+ dbg("%s - no tty or termios", __FUNCTION__);
return;
}
#endif
- if (!ATEN2011_port->open)
- {
+ if (!ATEN2011_port->open) {
dbg("%s - port not opened", __FUNCTION__);
return;
}
- DPRINTK("%s\n","setting termios - ");
+ DPRINTK("%s\n", "setting termios - ");
cflag = tty->termios->c_cflag;
- if (!cflag)
- {
- DPRINTK("%s %s\n",__FUNCTION__,"cflag is NULL");
- return;
+ if (!cflag) {
+ DPRINTK("%s %s\n", __FUNCTION__, "cflag is NULL");
+ return;
}
/* check that they really want us to change something */
- if (old_termios)
- {
+ if (old_termios) {
if ((cflag == old_termios->c_cflag) &&
- (RELEVANT_IFLAG(tty->termios->c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag)))
- {
- DPRINTK("%s\n","Nothing to change");
+ (RELEVANT_IFLAG(tty->termios->c_iflag) ==
+ RELEVANT_IFLAG(old_termios->c_iflag))) {
+ DPRINTK("%s\n", "Nothing to change");
return;
}
}
dbg("%s - clfag %08x iflag %08x", __FUNCTION__,
- tty->termios->c_cflag,
- RELEVANT_IFLAG(tty->termios->c_iflag));
+ tty->termios->c_cflag, RELEVANT_IFLAG(tty->termios->c_iflag));
- if (old_termios)
- {
+ if (old_termios) {
dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__,
- old_termios->c_cflag,
- RELEVANT_IFLAG(old_termios->c_iflag));
+ old_termios->c_cflag, RELEVANT_IFLAG(old_termios->c_iflag));
}
dbg("%s - port %d", __FUNCTION__, port->number);
ATEN2011_change_port_settings(ATEN2011_port, old_termios);
#endif
- if(!ATEN2011_port->read_urb)
- {
- DPRINTK("%s","URB KILLED !!!!!\n");
+ if (!ATEN2011_port->read_urb) {
+ DPRINTK("%s", "URB KILLED !!!!!\n");
return;
}
- if(ATEN2011_port->read_urb->status!=-EINPROGRESS)
- {
+ if (ATEN2011_port->read_urb->status != -EINPROGRESS) {
ATEN2011_port->read_urb->dev = serial->dev;
- status = usb_submit_urb(ATEN2011_port->read_urb, GFP_ATOMIC);
- if (status)
- {
- DPRINTK(" usb_submit_urb(read bulk) failed, status = %d", status);
+ status = usb_submit_urb(ATEN2011_port->read_urb, GFP_ATOMIC);
+ if (status) {
+ DPRINTK
+ (" usb_submit_urb(read bulk) failed, status = %d",
+ status);
}
}
return;
}
*/
-
-
/*****************************************************************************
* get_lsr_info - get line status register info
*
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int get_lsr_info(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port, unsigned int *value)
+static int get_lsr_info(struct tty_struct *tty,
+ struct ATENINTL_port *ATEN2011_port,
+ unsigned int *value)
#else
-static int get_lsr_info(struct ATENINTL_port *ATEN2011_port, unsigned int *value)
+static int get_lsr_info(struct ATENINTL_port *ATEN2011_port,
+ unsigned int *value)
#endif
{
int count;
unsigned int result = 0;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- count = ATEN2011_chars_in_buffer(tty);
+ count = ATEN2011_chars_in_buffer(tty);
#else
- count = ATEN2011_chars_in_buffer(ATEN2011_port->port);
+ count = ATEN2011_chars_in_buffer(ATEN2011_port->port);
#endif
- if(count == 0)
- {
+ if (count == 0) {
dbg("%s -- Empty", __FUNCTION__);
result = TIOCSER_TEMT;
}
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int get_number_bytes_avail(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port, unsigned int *value)
+static int get_number_bytes_avail(struct tty_struct *tty,
+ struct ATENINTL_port *ATEN2011_port,
+ unsigned int *value)
#else
-static int get_number_bytes_avail(struct ATENINTL_port *ATEN2011_port, unsigned int *value)
+static int get_number_bytes_avail(struct ATENINTL_port *ATEN2011_port,
+ unsigned int *value)
#endif
{
unsigned int result = 0;
result = tty->read_cnt;
- dbg("%s(%d) = %d", __FUNCTION__, ATEN2011_port->port->number, result);
+ dbg("%s(%d) = %d", __FUNCTION__, ATEN2011_port->port->number, result);
if (copy_to_user(value, &result, sizeof(int)))
return -EFAULT;
return -ENOIOCTLCMD;
}
-
/*****************************************************************************
* set_modem_info
* function to set modem info
*****************************************************************************/
-static int set_modem_info(struct ATENINTL_port *ATEN2011_port, unsigned int cmd, unsigned int *value)
+static int set_modem_info(struct ATENINTL_port *ATEN2011_port, unsigned int cmd,
+ unsigned int *value)
{
- unsigned int mcr ;
+ unsigned int mcr;
unsigned int arg;
__u16 Data;
int status;
if (ATEN2011_port == NULL)
return -1;
-
- port = (struct usb_serial_port*)ATEN2011_port->port;
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ port = (struct usb_serial_port *)ATEN2011_port->port;
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return -1;
}
return -EFAULT;
switch (cmd) {
- case TIOCMBIS:
- if (arg & TIOCM_RTS)
- mcr |= MCR_RTS;
- if (arg & TIOCM_DTR)
- mcr |= MCR_RTS;
- if (arg & TIOCM_LOOP)
- mcr |= MCR_LOOPBACK;
- break;
-
- case TIOCMBIC:
- if (arg & TIOCM_RTS)
- mcr &= ~MCR_RTS;
- if (arg & TIOCM_DTR)
- mcr &= ~MCR_RTS;
- if (arg & TIOCM_LOOP)
- mcr &= ~MCR_LOOPBACK;
- break;
-
- case TIOCMSET:
- /* turn off the RTS and DTR and LOOPBACK
- * and then only turn on what was asked to */
- mcr &= ~(MCR_RTS | MCR_DTR | MCR_LOOPBACK);
- mcr |= ((arg & TIOCM_RTS) ? MCR_RTS : 0);
- mcr |= ((arg & TIOCM_DTR) ? MCR_DTR : 0);
- mcr |= ((arg & TIOCM_LOOP) ? MCR_LOOPBACK : 0);
- break;
+ case TIOCMBIS:
+ if (arg & TIOCM_RTS)
+ mcr |= MCR_RTS;
+ if (arg & TIOCM_DTR)
+ mcr |= MCR_RTS;
+ if (arg & TIOCM_LOOP)
+ mcr |= MCR_LOOPBACK;
+ break;
+
+ case TIOCMBIC:
+ if (arg & TIOCM_RTS)
+ mcr &= ~MCR_RTS;
+ if (arg & TIOCM_DTR)
+ mcr &= ~MCR_RTS;
+ if (arg & TIOCM_LOOP)
+ mcr &= ~MCR_LOOPBACK;
+ break;
+
+ case TIOCMSET:
+ /* turn off the RTS and DTR and LOOPBACK
+ * and then only turn on what was asked to */
+ mcr &= ~(MCR_RTS | MCR_DTR | MCR_LOOPBACK);
+ mcr |= ((arg & TIOCM_RTS) ? MCR_RTS : 0);
+ mcr |= ((arg & TIOCM_DTR) ? MCR_DTR : 0);
+ mcr |= ((arg & TIOCM_LOOP) ? MCR_LOOPBACK : 0);
+ break;
}
ATEN2011_port->shadowMCR = mcr;
Data = ATEN2011_port->shadowMCR;
- status=0;
- status = ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
- if(status <0)
- {
+ status = 0;
+ status = ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
+ if (status < 0) {
DPRINTK("setting MODEM_CONTROL_REGISTER Failed\n");
return -1;
}
* function to get modem info
*****************************************************************************/
-static int get_modem_info(struct ATENINTL_port *ATEN2011_port, unsigned int *value)
+static int get_modem_info(struct ATENINTL_port *ATEN2011_port,
+ unsigned int *value)
{
unsigned int result = 0;
__u16 msr;
unsigned int mcr = ATEN2011_port->shadowMCR;
- int status=0;
- status=ATEN2011_get_Uart_Reg(ATEN2011_port->port,MODEM_STATUS_REGISTER,&msr);
- result = ((mcr & MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */
- | ((mcr & MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */
- | ((msr & ATEN2011_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */
- | ((msr & ATEN2011_MSR_CD) ? TIOCM_CAR: 0) /* 0x040 */
- | ((msr & ATEN2011_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */
- | ((msr & ATEN2011_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */
-
+ int status = 0;
+ status =
+ ATEN2011_get_Uart_Reg(ATEN2011_port->port, MODEM_STATUS_REGISTER,
+ &msr);
+ result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0) /* 0x002 */
+ |((mcr & MCR_RTS) ? TIOCM_RTS : 0) /* 0x004 */
+ |((msr & ATEN2011_MSR_CTS) ? TIOCM_CTS : 0) /* 0x020 */
+ |((msr & ATEN2011_MSR_CD) ? TIOCM_CAR : 0) /* 0x040 */
+ |((msr & ATEN2011_MSR_RI) ? TIOCM_RI : 0) /* 0x080 */
+ |((msr & ATEN2011_MSR_DSR) ? TIOCM_DSR : 0); /* 0x100 */
dbg("%s -- %x", __FUNCTION__, result);
* function to get information about serial port
*****************************************************************************/
-static int get_serial_info(struct ATENINTL_port *ATEN2011_port, struct serial_struct * retinfo)
+static int get_serial_info(struct ATENINTL_port *ATEN2011_port,
+ struct serial_struct *retinfo)
{
struct serial_struct tmp;
if (ATEN2011_port == NULL)
return -1;
-
if (!retinfo)
return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
- tmp.type = PORT_16550A;
- tmp.line = ATEN2011_port->port->serial->minor;
- if (tmp.line == SERIAL_TTY_NO_MINOR)
- tmp.line = 0;
- tmp.port = ATEN2011_port->port->number;
- tmp.irq = 0;
- tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
- tmp.xmit_fifo_size = NUM_URBS * URB_TRANSFER_BUFFER_SIZE;
- tmp.baud_base = 9600;
- tmp.close_delay = 5*HZ;
- tmp.closing_wait = 30*HZ;
-
+ tmp.type = PORT_16550A;
+ tmp.line = ATEN2011_port->port->serial->minor;
+ if (tmp.line == SERIAL_TTY_NO_MINOR)
+ tmp.line = 0;
+ tmp.port = ATEN2011_port->port->number;
+ tmp.irq = 0;
+ tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
+ tmp.xmit_fifo_size = NUM_URBS * URB_TRANSFER_BUFFER_SIZE;
+ tmp.baud_base = 9600;
+ tmp.close_delay = 5 * HZ;
+ tmp.closing_wait = 30 * HZ;
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static int ATEN2011_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
+static int ATEN2011_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
#else
-static int ATEN2011_ioctl(struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg)
+static int ATEN2011_ioctl(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
struct async_icount cnow;
struct async_icount cprev;
struct serial_icounter_struct icount;
- int ATENret=0;
+ int ATENret = 0;
//int retval;
//struct tty_ldisc *ld;
//printk("%s - port %d, cmd = 0x%x\n", __FUNCTION__, port->number, cmd);
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return -1;
}
dbg("%s - port %d, cmd = 0x%x", __FUNCTION__, port->number, cmd);
- switch (cmd)
- {
- /* return number of bytes available */
+ switch (cmd) {
+ /* return number of bytes available */
- case TIOCINQ:
- dbg("%s (%d) TIOCINQ", __FUNCTION__, port->number);
+ case TIOCINQ:
+ dbg("%s (%d) TIOCINQ", __FUNCTION__, port->number);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- return get_number_bytes_avail(tty, ATEN2011_port, (unsigned int *) arg);
+ return get_number_bytes_avail(tty, ATEN2011_port,
+ (unsigned int *)arg);
#else
- return get_number_bytes_avail(ATEN2011_port, (unsigned int *) arg);
+ return get_number_bytes_avail(ATEN2011_port,
+ (unsigned int *)arg);
#endif
- break;
+ break;
- case TIOCOUTQ:
- dbg("%s (%d) TIOCOUTQ", __FUNCTION__, port->number);
+ case TIOCOUTQ:
+ dbg("%s (%d) TIOCOUTQ", __FUNCTION__, port->number);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- return put_user(ATEN2011_chars_in_buffer(tty),
- (int __user *) arg);
+ return put_user(ATEN2011_chars_in_buffer(tty),
+ (int __user *)arg);
#else
- return put_user(tty->driver->ops->chars_in_buffer ?
- tty->driver->ops->chars_in_buffer(tty) : 0,
- (int __user *) arg);
+ return put_user(tty->driver->ops->chars_in_buffer ?
+ tty->driver->ops->chars_in_buffer(tty) : 0,
+ (int __user *)arg);
#endif
- break;
+ break;
/* //2.6.17 block
- case TCFLSH:
- retval = tty_check_change(tty);
- if (retval)
- return retval;
-
- ld = tty_ldisc_ref(tty);
- switch (arg) {
- case TCIFLUSH:
- if (ld && ld->flush_buffer)
- ld->flush_buffer(tty);
- break;
- case TCIOFLUSH:
- if (ld && ld->flush_buffer)
- ld->flush_buffer(tty);
- // fall through
- case TCOFLUSH:
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
- break;
- default:
- tty_ldisc_deref(ld);
- return -EINVAL;
- }
- tty_ldisc_deref(ld);
- return 0;
- */
- case TIOCSERGETLSR:
- dbg("%s (%d) TIOCSERGETLSR", __FUNCTION__, port->number);
+ case TCFLSH:
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+
+ ld = tty_ldisc_ref(tty);
+ switch (arg) {
+ case TCIFLUSH:
+ if (ld && ld->flush_buffer)
+ ld->flush_buffer(tty);
+ break;
+ case TCIOFLUSH:
+ if (ld && ld->flush_buffer)
+ ld->flush_buffer(tty);
+ // fall through
+ case TCOFLUSH:
+ if (tty->driver->flush_buffer)
+ tty->driver->flush_buffer(tty);
+ break;
+ default:
+ tty_ldisc_deref(ld);
+ return -EINVAL;
+ }
+ tty_ldisc_deref(ld);
+ return 0;
+ */
+ case TIOCSERGETLSR:
+ dbg("%s (%d) TIOCSERGETLSR", __FUNCTION__, port->number);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
- return get_lsr_info(tty, ATEN2011_port, (unsigned int *) arg);
+ return get_lsr_info(tty, ATEN2011_port, (unsigned int *)arg);
#else
- return get_lsr_info(ATEN2011_port, (unsigned int *) arg);
+ return get_lsr_info(ATEN2011_port, (unsigned int *)arg);
#endif
- return 0;
-
- case TIOCMBIS:
- case TIOCMBIC:
- case TIOCMSET:
- dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__, port->number);
- // printk("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__, port->number);
- ATENret=set_modem_info(ATEN2011_port, cmd, (unsigned int *) arg);
- // printk(" %s: ret:%d\n",__FUNCTION__,ATENret);
- return ATENret;
-
- case TIOCMGET:
- dbg("%s (%d) TIOCMGET", __FUNCTION__, port->number);
- return get_modem_info(ATEN2011_port, (unsigned int *) arg);
-
- case TIOCGSERIAL:
- dbg("%s (%d) TIOCGSERIAL", __FUNCTION__, port->number);
- return get_serial_info(ATEN2011_port, (struct serial_struct *) arg);
-
- case TIOCSSERIAL:
- dbg("%s (%d) TIOCSSERIAL", __FUNCTION__, port->number);
- break;
-
- case TIOCMIWAIT:
- dbg("%s (%d) TIOCMIWAIT", __FUNCTION__, port->number);
- cprev = ATEN2011_port->icount;
- while (1) {
- //interruptible_sleep_on(&ATEN2011_port->delta_msr_wait);
- // ATEN2011_port->delta_msr_cond=0;
- //wait_event_interruptible(ATEN2011_port->delta_msr_wait,(ATEN2011_port->delta_msr_cond==1));
-
- /* see if a signal did it */
- if (signal_pending(current))
- return -ERESTARTSYS;
- cnow = ATEN2011_port->icount;
- if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
- cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
- return -EIO; /* no change => error */
- if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
- return 0;
- }
- cprev = cnow;
- }
- /* NOTREACHED */
- break;
+ return 0;
- case TIOCGICOUNT:
+ case TIOCMBIS:
+ case TIOCMBIC:
+ case TIOCMSET:
+ dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__,
+ port->number);
+ // printk("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__, port->number);
+ ATENret =
+ set_modem_info(ATEN2011_port, cmd, (unsigned int *)arg);
+ // printk(" %s: ret:%d\n",__FUNCTION__,ATENret);
+ return ATENret;
+
+ case TIOCMGET:
+ dbg("%s (%d) TIOCMGET", __FUNCTION__, port->number);
+ return get_modem_info(ATEN2011_port, (unsigned int *)arg);
+
+ case TIOCGSERIAL:
+ dbg("%s (%d) TIOCGSERIAL", __FUNCTION__, port->number);
+ return get_serial_info(ATEN2011_port,
+ (struct serial_struct *)arg);
+
+ case TIOCSSERIAL:
+ dbg("%s (%d) TIOCSSERIAL", __FUNCTION__, port->number);
+ break;
+
+ case TIOCMIWAIT:
+ dbg("%s (%d) TIOCMIWAIT", __FUNCTION__, port->number);
+ cprev = ATEN2011_port->icount;
+ while (1) {
+ //interruptible_sleep_on(&ATEN2011_port->delta_msr_wait);
+ // ATEN2011_port->delta_msr_cond=0;
+ //wait_event_interruptible(ATEN2011_port->delta_msr_wait,(ATEN2011_port->delta_msr_cond==1));
+
+ /* see if a signal did it */
+ if (signal_pending(current))
+ return -ERESTARTSYS;
cnow = ATEN2011_port->icount;
- icount.cts = cnow.cts;
- icount.dsr = cnow.dsr;
- icount.rng = cnow.rng;
- icount.dcd = cnow.dcd;
- icount.rx = cnow.rx;
- icount.tx = cnow.tx;
- icount.frame = cnow.frame;
- icount.overrun = cnow.overrun;
- icount.parity = cnow.parity;
- icount.brk = cnow.brk;
- icount.buf_overrun = cnow.buf_overrun;
-
- dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __FUNCTION__, port->number, icount.rx, icount.tx );
- if (copy_to_user((void *)arg, &icount, sizeof(icount)))
- return -EFAULT;
- return 0;
+ if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
+ cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
+ return -EIO; /* no change => error */
+ if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
+ ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
+ ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
+ ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
+ return 0;
+ }
+ cprev = cnow;
+ }
+ /* NOTREACHED */
+ break;
+
+ case TIOCGICOUNT:
+ cnow = ATEN2011_port->icount;
+ icount.cts = cnow.cts;
+ icount.dsr = cnow.dsr;
+ icount.rng = cnow.rng;
+ icount.dcd = cnow.dcd;
+ icount.rx = cnow.rx;
+ icount.tx = cnow.tx;
+ icount.frame = cnow.frame;
+ icount.overrun = cnow.overrun;
+ icount.parity = cnow.parity;
+ icount.brk = cnow.brk;
+ icount.buf_overrun = cnow.buf_overrun;
+
+ dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __FUNCTION__,
+ port->number, icount.rx, icount.tx);
+ if (copy_to_user((void *)arg, &icount, sizeof(icount)))
+ return -EFAULT;
+ return 0;
- case TIOCEXBAUD:
- return 0;
- default:
- break;
+ case TIOCEXBAUD:
+ return 0;
+ default:
+ break;
}
return -ENOIOCTLCMD;
}
-
/*****************************************************************************
* ATEN2011_send_cmd_write_baud_rate
* this function sends the proper command to change the baud rate of the
* specified port.
*****************************************************************************/
-static int ATEN2011_send_cmd_write_baud_rate (struct ATENINTL_port *ATEN2011_port, int baudRate)
+static int ATEN2011_send_cmd_write_baud_rate(struct ATENINTL_port
+ *ATEN2011_port, int baudRate)
{
int divisor = 0;
int status;
__u16 Data;
- unsigned char number ;
+ unsigned char number;
__u16 clk_sel_val;
struct usb_serial_port *port;
int minor;
if (ATEN2011_port == NULL)
return -1;
- port = (struct usb_serial_port*)ATEN2011_port->port;
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
+ port = (struct usb_serial_port *)ATEN2011_port->port;
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
return -1;
}
- if(ATEN2011_serial_paranoia_check(port->serial,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid Serial \n");
+ if (ATEN2011_serial_paranoia_check(port->serial, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid Serial \n");
return -1;
}
+ DPRINTK("%s", "Entering .......... \n");
- DPRINTK("%s","Entering .......... \n");
-
- minor = ATEN2011_port->port->serial->minor;
- if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
+ minor = ATEN2011_port->port->serial->minor;
+ if (minor == SERIAL_TTY_NO_MINOR)
+ minor = 0;
number = ATEN2011_port->port->number - minor;
- dbg("%s - port = %d, baud = %d", __FUNCTION__, ATEN2011_port->port->number, baudRate);
+ dbg("%s - port = %d, baud = %d", __FUNCTION__,
+ ATEN2011_port->port->number, baudRate);
//reset clk_uart_sel in spregOffset
- if(baudRate >115200)
- {
- #ifdef HW_flow_control
+ if (baudRate > 115200) {
+#ifdef HW_flow_control
//NOTE: need to see the pther register to modify
//setting h/w flow control bit to 1;
- status=0;
+ status = 0;
//Data = ATEN2011_port->shadowMCR ;
Data = 0x2b;
- ATEN2011_port->shadowMCR=Data;
- status=ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
- if(status<0)
- {
+ ATEN2011_port->shadowMCR = Data;
+ status =
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
+ if (status < 0) {
DPRINTK("Writing spreg failed in set_serial_baud\n");
return -1;
}
- #endif
+#endif
- }
- else
- {
- #ifdef HW_flow_control
+ } else {
+#ifdef HW_flow_control
//setting h/w flow control bit to 0;
- status=0;
+ status = 0;
//Data = ATEN2011_port->shadowMCR ;
Data = 0xb;
- ATEN2011_port->shadowMCR=Data;
- status=ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
- if(status<0)
- {
+ ATEN2011_port->shadowMCR = Data;
+ status =
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
+ if (status < 0) {
DPRINTK("Writing spreg failed in set_serial_baud\n");
return -1;
}
-
- #endif
-
+#endif
}
-
- if(1)//baudRate <= 115200)
+ if (1) //baudRate <= 115200)
{
- clk_sel_val=0x0;
- Data=0x0;
- status=0;
- status = ATEN2011_calc_baud_rate_divisor (baudRate, &divisor,&clk_sel_val);
- status= ATEN2011_get_reg_sync(port,ATEN2011_port->SpRegOffset,&Data);
- if(status<0)
- {
+ clk_sel_val = 0x0;
+ Data = 0x0;
+ status = 0;
+ status =
+ ATEN2011_calc_baud_rate_divisor(baudRate, &divisor,
+ &clk_sel_val);
+ status =
+ ATEN2011_get_reg_sync(port, ATEN2011_port->SpRegOffset,
+ &Data);
+ if (status < 0) {
DPRINTK("reading spreg failed in set_serial_baud\n");
return -1;
}
- Data = (Data & 0x8f)|clk_sel_val;
- status=0;
- status= ATEN2011_set_reg_sync(port,ATEN2011_port->SpRegOffset,Data);
- if(status<0)
- {
+ Data = (Data & 0x8f) | clk_sel_val;
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(port, ATEN2011_port->SpRegOffset,
+ Data);
+ if (status < 0) {
DPRINTK("Writing spreg failed in set_serial_baud\n");
return -1;
}
- /* Calculate the Divisor */
+ /* Calculate the Divisor */
-
- if (status)
- {
+ if (status) {
err("%s - bad baud rate", __FUNCTION__);
- DPRINTK("%s\n","bad baud rate");
+ DPRINTK("%s\n", "bad baud rate");
return status;
}
- /* Enable access to divisor latch */
- Data = ATEN2011_port->shadowLCR | SERIAL_LCR_DLAB;
- ATEN2011_port->shadowLCR = Data;
- ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
+ /* Enable access to divisor latch */
+ Data = ATEN2011_port->shadowLCR | SERIAL_LCR_DLAB;
+ ATEN2011_port->shadowLCR = Data;
+ ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
/* Write the divisor */
- Data = LOW8 (divisor);//: commented to test
- DPRINTK("set_serial_baud Value to write DLL is %x\n",Data);
- ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_LSB,Data);
+ Data = LOW8(divisor); //: commented to test
+ DPRINTK("set_serial_baud Value to write DLL is %x\n", Data);
+ ATEN2011_set_Uart_Reg(port, DIVISOR_LATCH_LSB, Data);
- Data = HIGH8 (divisor); //: commented to test
- DPRINTK("set_serial_baud Value to write DLM is %x\n",Data);
- ATEN2011_set_Uart_Reg(port,DIVISOR_LATCH_MSB,Data);
+ Data = HIGH8(divisor); //: commented to test
+ DPRINTK("set_serial_baud Value to write DLM is %x\n", Data);
+ ATEN2011_set_Uart_Reg(port, DIVISOR_LATCH_MSB, Data);
- /* Disable access to divisor latch */
- Data = ATEN2011_port->shadowLCR & ~SERIAL_LCR_DLAB;
- ATEN2011_port->shadowLCR = Data;
- ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
+ /* Disable access to divisor latch */
+ Data = ATEN2011_port->shadowLCR & ~SERIAL_LCR_DLAB;
+ ATEN2011_port->shadowLCR = Data;
+ ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
}
return status;
}
-
-
/*****************************************************************************
* ATEN2011_calc_baud_rate_divisor
* this function calculates the proper baud rate divisor for the specified
* baud rate.
*****************************************************************************/
-static int ATEN2011_calc_baud_rate_divisor (int baudRate, int *divisor,__u16 *clk_sel_val)
+static int ATEN2011_calc_baud_rate_divisor(int baudRate, int *divisor,
+ __u16 * clk_sel_val)
{
//int i;
//__u16 custom,round1, round;
dbg("%s - %d", __FUNCTION__, baudRate);
- if(baudRate <=115200)
- {
- *divisor = 115200/baudRate;
- *clk_sel_val = 0x0;
- }
- if((baudRate > 115200) && (baudRate <= 230400))
- {
- *divisor = 230400/baudRate;
- *clk_sel_val=0x10;
- }
- else if((baudRate > 230400) && (baudRate <= 403200))
- {
- *divisor = 403200/baudRate;
- *clk_sel_val=0x20;
- }
- else if((baudRate > 403200) && (baudRate <= 460800))
- {
- *divisor = 460800/baudRate;
- *clk_sel_val=0x30;
- }
- else if((baudRate > 460800) && (baudRate <= 806400))
- {
- *divisor = 806400/baudRate;
- *clk_sel_val=0x40;
- }
- else if((baudRate >806400) && (baudRate <= 921600))
- {
- *divisor = 921600/baudRate;
- *clk_sel_val=0x50;
- }
- else if((baudRate > 921600) && (baudRate <= 1572864))
- {
- *divisor = 1572864/baudRate;
- *clk_sel_val=0x60;
- }
- else if((baudRate > 1572864) && (baudRate <= 3145728))
- {
- *divisor = 3145728/baudRate;
- *clk_sel_val=0x70;
- }
+ if (baudRate <= 115200) {
+ *divisor = 115200 / baudRate;
+ *clk_sel_val = 0x0;
+ }
+ if ((baudRate > 115200) && (baudRate <= 230400)) {
+ *divisor = 230400 / baudRate;
+ *clk_sel_val = 0x10;
+ } else if ((baudRate > 230400) && (baudRate <= 403200)) {
+ *divisor = 403200 / baudRate;
+ *clk_sel_val = 0x20;
+ } else if ((baudRate > 403200) && (baudRate <= 460800)) {
+ *divisor = 460800 / baudRate;
+ *clk_sel_val = 0x30;
+ } else if ((baudRate > 460800) && (baudRate <= 806400)) {
+ *divisor = 806400 / baudRate;
+ *clk_sel_val = 0x40;
+ } else if ((baudRate > 806400) && (baudRate <= 921600)) {
+ *divisor = 921600 / baudRate;
+ *clk_sel_val = 0x50;
+ } else if ((baudRate > 921600) && (baudRate <= 1572864)) {
+ *divisor = 1572864 / baudRate;
+ *clk_sel_val = 0x60;
+ } else if ((baudRate > 1572864) && (baudRate <= 3145728)) {
+ *divisor = 3145728 / baudRate;
+ *clk_sel_val = 0x70;
+ }
return 0;
- #ifdef NOTATEN2011
+#ifdef NOTATEN2011
- for (i = 0; i < NUM_ENTRIES(ATEN2011_divisor_table); i++)
- {
- if ( ATEN2011_divisor_table[i].BaudRate == baudrate )
- {
+ for (i = 0; i < NUM_ENTRIES(ATEN2011_divisor_table); i++) {
+ if (ATEN2011_divisor_table[i].BaudRate == baudrate) {
*divisor = ATEN2011_divisor_table[i].Divisor;
return 0;
}
}
- /* After trying for all the standard baud rates *
- * Try calculating the divisor for this baud rate */
+ /* After trying for all the standard baud rates *
+ * Try calculating the divisor for this baud rate */
- if (baudrate > 75 && baudrate < 230400)
- {
+ if (baudrate > 75 && baudrate < 230400) {
/* get the divisor */
- custom = (__u16)(230400L / baudrate);
+ custom = (__u16) (230400L / baudrate);
/* Check for round off */
- round1 = (__u16)(2304000L / baudrate);
- round = (__u16)(round1 - (custom * 10));
+ round1 = (__u16) (2304000L / baudrate);
+ round = (__u16) (round1 - (custom * 10));
if (round > 4) {
custom++;
}
*divisor = custom;
- DPRINTK(" Baud %d = %d\n",baudrate, custom);
+ DPRINTK(" Baud %d = %d\n", baudrate, custom);
return 0;
}
- DPRINTK("%s\n"," Baud calculation Failed...");
+ DPRINTK("%s\n", " Baud calculation Failed...");
return -1;
- #endif
+#endif
}
-
-
/*****************************************************************************
* ATEN2011_change_port_settings
* This routine is called to set the UART on the device to match
*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-static void ATEN2011_change_port_settings(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port, struct ktermios *old_termios)
+static void ATEN2011_change_port_settings(struct tty_struct *tty,
+ struct ATENINTL_port *ATEN2011_port,
+ struct ktermios *old_termios)
#else
-static void ATEN2011_change_port_settings(struct ATENINTL_port *ATEN2011_port, struct ktermios *old_termios)
+static void ATEN2011_change_port_settings(struct ATENINTL_port *ATEN2011_port,
+ struct ktermios *old_termios)
#endif
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
struct usb_serial *serial;
if (ATEN2011_port == NULL)
- return ;
+ return;
port = (struct usb_serial_port *)ATEN2011_port->port;
- if(ATEN2011_port_paranoia_check(port,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid port \n");
- return ;
+ if (ATEN2011_port_paranoia_check(port, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid port \n");
+ return;
}
- if(ATEN2011_serial_paranoia_check(port->serial,__FUNCTION__) )
- {
- DPRINTK("%s","Invalid Serial \n");
- return ;
+ if (ATEN2011_serial_paranoia_check(port->serial, __FUNCTION__)) {
+ DPRINTK("%s", "Invalid Serial \n");
+ return;
}
serial = port->serial;
dbg("%s - port %d", __FUNCTION__, ATEN2011_port->port->number);
- if ((!ATEN2011_port->open) && (!ATEN2011_port->openPending))
- {
+ if ((!ATEN2011_port->open) && (!ATEN2011_port->openPending)) {
dbg("%s - port not opened", __FUNCTION__);
return;
}
-
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
tty = ATEN2011_port->port->tty;
#endif
- if ((!tty) || (!tty->termios))
- {
+ if ((!tty) || (!tty->termios)) {
dbg("%s - no tty structures", __FUNCTION__);
return;
}
- DPRINTK("%s","Entering .......... \n");
+ DPRINTK("%s", "Entering .......... \n");
lData = LCR_BITS_8;
lStop = LCR_STOP_1;
//COMMENT1: the below Line"if(cflag & CSIZE)" is added for the errors we get for serial loop data test i.e serial_loopback.pl -v
//if(cflag & CSIZE)
{
- switch (cflag & CSIZE)
- {
- case CS5: lData = LCR_BITS_5;
- mask = 0x1f;
- break;
+ switch (cflag & CSIZE) {
+ case CS5:
+ lData = LCR_BITS_5;
+ mask = 0x1f;
+ break;
- case CS6: lData = LCR_BITS_6;
- mask = 0x3f;
- break;
+ case CS6:
+ lData = LCR_BITS_6;
+ mask = 0x3f;
+ break;
- case CS7: lData = LCR_BITS_7;
- mask = 0x7f;
- break;
+ case CS7:
+ lData = LCR_BITS_7;
+ mask = 0x7f;
+ break;
default:
- case CS8: lData = LCR_BITS_8;
- break;
- }
+ case CS8:
+ lData = LCR_BITS_8;
+ break;
+ }
}
/* Change the Parity bit */
- if (cflag & PARENB)
- {
- if (cflag & PARODD)
- {
+ if (cflag & PARENB) {
+ if (cflag & PARODD) {
lParity = LCR_PAR_ODD;
dbg("%s - parity = odd", __FUNCTION__);
- }
- else
- {
+ } else {
lParity = LCR_PAR_EVEN;
dbg("%s - parity = even", __FUNCTION__);
}
- }
- else
- {
+ } else {
dbg("%s - parity = none", __FUNCTION__);
}
- if(cflag & CMSPAR)
- {
+ if (cflag & CMSPAR) {
lParity = lParity | 0x20;
}
/* Change the Stop bit */
- if (cflag & CSTOPB)
- {
+ if (cflag & CSTOPB) {
lStop = LCR_STOP_2;
dbg("%s - stop bits = 2", __FUNCTION__);
- }
- else
- {
+ } else {
lStop = LCR_STOP_1;
dbg("%s - stop bits = 1", __FUNCTION__);
}
-
/* Update the LCR with the correct value */
- ATEN2011_port->shadowLCR &= ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
+ ATEN2011_port->shadowLCR &=
+ ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
ATEN2011_port->shadowLCR |= (lData | lParity | lStop);
ATEN2011_port->validDataMask = mask;
- DPRINTK("ATEN2011_change_port_settings ATEN2011_port->shadowLCR is %x\n",ATEN2011_port->shadowLCR);
+ DPRINTK
+ ("ATEN2011_change_port_settings ATEN2011_port->shadowLCR is %x\n",
+ ATEN2011_port->shadowLCR);
/* Disable Interrupts */
Data = 0x00;
- ATEN2011_set_Uart_Reg(port,INTERRUPT_ENABLE_REGISTER,Data);
-
+ ATEN2011_set_Uart_Reg(port, INTERRUPT_ENABLE_REGISTER, Data);
Data = 0x00;
- ATEN2011_set_Uart_Reg(port,FIFO_CONTROL_REGISTER,Data);
+ ATEN2011_set_Uart_Reg(port, FIFO_CONTROL_REGISTER, Data);
Data = 0xcf;
- ATEN2011_set_Uart_Reg(port,FIFO_CONTROL_REGISTER,Data);
+ ATEN2011_set_Uart_Reg(port, FIFO_CONTROL_REGISTER, Data);
/* Send the updated LCR value to the ATEN2011 */
Data = ATEN2011_port->shadowLCR;
- ATEN2011_set_Uart_Reg(port,LINE_CONTROL_REGISTER,Data);
-
+ ATEN2011_set_Uart_Reg(port, LINE_CONTROL_REGISTER, Data);
- Data = 0x00b;
- ATEN2011_port->shadowMCR = Data;
- ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
- Data = 0x00b;
- ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
+ Data = 0x00b;
+ ATEN2011_port->shadowMCR = Data;
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
+ Data = 0x00b;
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
/* set up the MCR register and send it to the ATEN2011 */
ATEN2011_port->shadowMCR = MCR_MASTER_IE;
- if (cflag & CBAUD)
- {
+ if (cflag & CBAUD) {
ATEN2011_port->shadowMCR |= (MCR_DTR | MCR_RTS);
}
-
- if (cflag & CRTSCTS)
- {
+ if (cflag & CRTSCTS) {
ATEN2011_port->shadowMCR |= (MCR_XON_ANY);
-
- }
- else
- {
+ } else {
ATEN2011_port->shadowMCR &= ~(MCR_XON_ANY);
}
-
Data = ATEN2011_port->shadowMCR;
- ATEN2011_set_Uart_Reg(port,MODEM_CONTROL_REGISTER,Data);
-
-
+ ATEN2011_set_Uart_Reg(port, MODEM_CONTROL_REGISTER, Data);
/* Determine divisor based on baud rate */
baud = tty_get_baud_rate(tty);
- if (!baud)
- {
+ if (!baud) {
/* pick a default, any default... */
- DPRINTK("%s\n","Picked default baud...");
+ DPRINTK("%s\n", "Picked default baud...");
baud = 9600;
}
-
dbg("%s - baud rate = %d", __FUNCTION__, baud);
- status = ATEN2011_send_cmd_write_baud_rate (ATEN2011_port, baud);
+ status = ATEN2011_send_cmd_write_baud_rate(ATEN2011_port, baud);
/* Enable Interrupts */
Data = 0x0c;
- ATEN2011_set_Uart_Reg(port,INTERRUPT_ENABLE_REGISTER,Data);
+ ATEN2011_set_Uart_Reg(port, INTERRUPT_ENABLE_REGISTER, Data);
- if(ATEN2011_port->read_urb->status!=-EINPROGRESS)
- {
+ if (ATEN2011_port->read_urb->status != -EINPROGRESS) {
ATEN2011_port->read_urb->dev = serial->dev;
status = usb_submit_urb(ATEN2011_port->read_urb, GFP_ATOMIC);
- if (status)
- {
- DPRINTK(" usb_submit_urb(read bulk) failed, status = %d", status);
+ if (status) {
+ DPRINTK
+ (" usb_submit_urb(read bulk) failed, status = %d",
+ status);
}
}
//wake_up(&ATEN2011_port->delta_msr_wait);
- //ATEN2011_port->delta_msr_cond=1;
- DPRINTK("ATEN2011_change_port_settings ATEN2011_port->shadowLCR is End %x\n",ATEN2011_port->shadowLCR);
+ //ATEN2011_port->delta_msr_cond=1;
+ DPRINTK
+ ("ATEN2011_change_port_settings ATEN2011_port->shadowLCR is End %x\n",
+ ATEN2011_port->shadowLCR);
return;
}
-
static int ATEN2011_calc_num_ports(struct usb_serial *serial)
{
- __u16 Data=0x00;
- int ret =0;
+ __u16 Data = 0x00;
+ int ret = 0;
int ATEN2011_2or4ports;
- ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),\
- ATEN_RDREQ,ATEN_RD_RTYPE,0,GPIO_REGISTER,&Data,VENDOR_READ_LENGTH,ATEN_WDR_TIMEOUT);
-
- //printk("ATEN2011_calc_num_ports GPIO is %x\n",Data);
+ ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ ATEN_RDREQ, ATEN_RD_RTYPE, 0, GPIO_REGISTER,
+ &Data, VENDOR_READ_LENGTH, ATEN_WDR_TIMEOUT);
+ //printk("ATEN2011_calc_num_ports GPIO is %x\n",Data);
/* ghostgum: here is where the problem appears to bet */
/* Which of the following are needed? */
/* Greg used the serial->type->num_ports=2 */
/* But the code in the ATEN2011_open relies on serial->num_ports=2 */
- if((Data&0x01)==0)
- {
- ATEN2011_2or4ports=2;
- serial->type->num_ports=2;
- serial->num_ports=2;
- }
- //else if(serial->interface->cur_altsetting->desc.bNumEndpoints == 9)
- else
- {
- ATEN2011_2or4ports =4;
- serial->type->num_ports=4;
- serial->num_ports=4;
+ if ((Data & 0x01) == 0) {
+ ATEN2011_2or4ports = 2;
+ serial->type->num_ports = 2;
+ serial->num_ports = 2;
+ }
+ //else if(serial->interface->cur_altsetting->desc.bNumEndpoints == 9)
+ else {
+ ATEN2011_2or4ports = 4;
+ serial->type->num_ports = 4;
+ serial->num_ports = 4;
- }
+ }
return ATEN2011_2or4ports;
}
-
/****************************************************************************
* ATEN2011_startup
****************************************************************************/
-static int ATEN2011_startup (struct usb_serial *serial)
+static int ATEN2011_startup(struct usb_serial *serial)
{
struct ATENINTL_serial *ATEN2011_serial;
struct ATENINTL_port *ATEN2011_port;
struct usb_device *dev;
- int i,status;
+ int i, status;
int minor;
__u16 Data;
- DPRINTK("%s \n"," ATEN2011_startup :entering..........");
+ DPRINTK("%s \n", " ATEN2011_startup :entering..........");
- if(!serial)
- {
- DPRINTK("%s\n","Invalid Handler");
+ if (!serial) {
+ DPRINTK("%s\n", "Invalid Handler");
return -1;
}
dev = serial->dev;
- DPRINTK("%s\n","Entering...");
+ DPRINTK("%s\n", "Entering...");
/* create our private serial structure */
- ATEN2011_serial = kzalloc (sizeof(struct ATENINTL_serial), GFP_KERNEL);
- if (ATEN2011_serial == NULL)
- {
+ ATEN2011_serial = kzalloc(sizeof(struct ATENINTL_serial), GFP_KERNEL);
+ if (ATEN2011_serial == NULL) {
err("%s - Out of memory", __FUNCTION__);
return -ENOMEM;
}
/* resetting the private structure field values to zero */
- memset (ATEN2011_serial, 0, sizeof(struct ATENINTL_serial));
+ memset(ATEN2011_serial, 0, sizeof(struct ATENINTL_serial));
ATEN2011_serial->serial = serial;
//initilize status polling flag to FALSE
ATEN2011_serial->status_polling_started = FALSE;
- ATEN2011_set_serial_private(serial,ATEN2011_serial);
- ATEN2011_serial->ATEN2011_spectrum_2or4ports = ATEN2011_calc_num_ports(serial);
+ ATEN2011_set_serial_private(serial, ATEN2011_serial);
+ ATEN2011_serial->ATEN2011_spectrum_2or4ports =
+ ATEN2011_calc_num_ports(serial);
/* we set up the pointers to the endpoints in the ATEN2011_open *
* function, as the structures aren't created yet. */
/* set up port private structures */
- for (i = 0; i < serial->num_ports; ++i)
- {
- ATEN2011_port = kmalloc(sizeof(struct ATENINTL_port), GFP_KERNEL);
- if (ATEN2011_port == NULL)
- {
+ for (i = 0; i < serial->num_ports; ++i) {
+ ATEN2011_port =
+ kmalloc(sizeof(struct ATENINTL_port), GFP_KERNEL);
+ if (ATEN2011_port == NULL) {
err("%s - Out of memory", __FUNCTION__);
- ATEN2011_set_serial_private(serial,NULL);
+ ATEN2011_set_serial_private(serial, NULL);
kfree(ATEN2011_serial);
return -ENOMEM;
}
memset(ATEN2011_port, 0, sizeof(struct ATENINTL_port));
+ /* Initialize all port interrupt end point to port 0 int endpoint *
+ * Our device has only one interrupt end point comman to all port */
- /* Initialize all port interrupt end point to port 0 int endpoint *
- * Our device has only one interrupt end point comman to all port */
-
-
-
- // serial->port[i]->interrupt_in_endpointAddress = serial->port[0]->interrupt_in_endpointAddress;
-
+ // serial->port[i]->interrupt_in_endpointAddress = serial->port[0]->interrupt_in_endpointAddress;
ATEN2011_port->port = serial->port[i];
//
- ATEN2011_set_port_private(serial->port[i],ATEN2011_port);
+ ATEN2011_set_port_private(serial->port[i], ATEN2011_port);
-
- minor = serial->port[i] ->serial->minor;
+ minor = serial->port[i]->serial->minor;
if (minor == SERIAL_TTY_NO_MINOR)
- minor = 0;
- ATEN2011_port->port_num=((serial->port[i]->number - minor)+1);
+ minor = 0;
+ ATEN2011_port->port_num =
+ ((serial->port[i]->number - minor) + 1);
- ATEN2011_port->AppNum = (((__u16)serial->port[i]->number - \
- (__u16)(minor))+1)<<8;
+ ATEN2011_port->AppNum = (((__u16) serial->port[i]->number -
+ (__u16) (minor)) + 1) << 8;
- if(ATEN2011_port->port_num ==1)
- {
- ATEN2011_port->SpRegOffset =0x0;
- ATEN2011_port->ControlRegOffset =0x1;
- ATEN2011_port->DcrRegOffset =0x4 ;
+ if (ATEN2011_port->port_num == 1) {
+ ATEN2011_port->SpRegOffset = 0x0;
+ ATEN2011_port->ControlRegOffset = 0x1;
+ ATEN2011_port->DcrRegOffset = 0x4;
//ATEN2011_port->ClkSelectRegOffset = ;
- }
- else if((ATEN2011_port->port_num ==2)&&(ATEN2011_serial->ATEN2011_spectrum_2or4ports ==4))
- {
- ATEN2011_port->SpRegOffset =0x8;
- ATEN2011_port->ControlRegOffset =0x9;
- ATEN2011_port->DcrRegOffset =0x16;
+ } else if ((ATEN2011_port->port_num == 2)
+ && (ATEN2011_serial->ATEN2011_spectrum_2or4ports ==
+ 4)) {
+ ATEN2011_port->SpRegOffset = 0x8;
+ ATEN2011_port->ControlRegOffset = 0x9;
+ ATEN2011_port->DcrRegOffset = 0x16;
//ATEN2011_port->ClkSelectRegOffset = ;
- }
- else if((ATEN2011_port->port_num ==2)&&(ATEN2011_serial->ATEN2011_spectrum_2or4ports ==2))
- {
- ATEN2011_port->SpRegOffset =0xa;
- ATEN2011_port->ControlRegOffset =0xb;
- ATEN2011_port->DcrRegOffset =0x19;
+ } else if ((ATEN2011_port->port_num == 2)
+ && (ATEN2011_serial->ATEN2011_spectrum_2or4ports ==
+ 2)) {
+ ATEN2011_port->SpRegOffset = 0xa;
+ ATEN2011_port->ControlRegOffset = 0xb;
+ ATEN2011_port->DcrRegOffset = 0x19;
//ATEN2011_port->ClkSelectRegOffset = ;
- }
- else if((ATEN2011_port->port_num ==3)&&(ATEN2011_serial->ATEN2011_spectrum_2or4ports ==4))
- {
- ATEN2011_port->SpRegOffset =0xa;
- ATEN2011_port->ControlRegOffset =0xb;
- ATEN2011_port->DcrRegOffset =0x19;
+ } else if ((ATEN2011_port->port_num == 3)
+ && (ATEN2011_serial->ATEN2011_spectrum_2or4ports ==
+ 4)) {
+ ATEN2011_port->SpRegOffset = 0xa;
+ ATEN2011_port->ControlRegOffset = 0xb;
+ ATEN2011_port->DcrRegOffset = 0x19;
//ATEN2011_port->ClkSelectRegOffset = ;
- }
- else if((ATEN2011_port->port_num ==4)&&(ATEN2011_serial->ATEN2011_spectrum_2or4ports ==4))
- {
- ATEN2011_port->SpRegOffset =0xc;
- ATEN2011_port->ControlRegOffset =0xd;
- ATEN2011_port->DcrRegOffset =0x1c ;
+ } else if ((ATEN2011_port->port_num == 4)
+ && (ATEN2011_serial->ATEN2011_spectrum_2or4ports ==
+ 4)) {
+ ATEN2011_port->SpRegOffset = 0xc;
+ ATEN2011_port->ControlRegOffset = 0xd;
+ ATEN2011_port->DcrRegOffset = 0x1c;
//ATEN2011_port->ClkSelectRegOffset = ;
}
ATEN2011_Dump_serial_port(ATEN2011_port);
- ATEN2011_set_port_private(serial->port[i],ATEN2011_port);
-
+ ATEN2011_set_port_private(serial->port[i], ATEN2011_port);
//enable rx_disable bit in control register
- status=ATEN2011_get_reg_sync(serial->port[i],ATEN2011_port->ControlRegOffset,&Data);
- if(status<0) {
- DPRINTK("Reading ControlReg failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("ControlReg Reading success val is %x, status%d\n",Data,status);
- Data |= 0x08;//setting driver done bit
- Data |= 0x04;//sp1_bit to have cts change reflect in modem status reg
+ status =
+ ATEN2011_get_reg_sync(serial->port[i],
+ ATEN2011_port->ControlRegOffset,
+ &Data);
+ if (status < 0) {
+ DPRINTK("Reading ControlReg failed status-0x%x\n",
+ status);
+ break;
+ } else
+ DPRINTK
+ ("ControlReg Reading success val is %x, status%d\n",
+ Data, status);
+ Data |= 0x08; //setting driver done bit
+ Data |= 0x04; //sp1_bit to have cts change reflect in modem status reg
//Data |= 0x20; //rx_disable bit
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],ATEN2011_port->ControlRegOffset,Data);
- if(status<0) {
- DPRINTK("Writing ControlReg failed(rx_disable) status-0x%x\n", status);
- break;
- }
- else DPRINTK("ControlReg Writing success(rx_disable) status%d\n",status);
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i],
+ ATEN2011_port->ControlRegOffset,
+ Data);
+ if (status < 0) {
+ DPRINTK
+ ("Writing ControlReg failed(rx_disable) status-0x%x\n",
+ status);
+ break;
+ } else
+ DPRINTK
+ ("ControlReg Writing success(rx_disable) status%d\n",
+ status);
//Write default values in DCR (i.e 0x01 in DCR0, 0x05 in DCR2 and 0x24 in DCR3
Data = 0x01;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],(__u16)(ATEN2011_port->DcrRegOffset+0),Data);
- if(status<0) {
- DPRINTK("Writing DCR0 failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("DCR0 Writing success status%d\n",status);
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i],
+ (__u16) (ATEN2011_port->DcrRegOffset +
+ 0), Data);
+ if (status < 0) {
+ DPRINTK("Writing DCR0 failed status-0x%x\n", status);
+ break;
+ } else
+ DPRINTK("DCR0 Writing success status%d\n", status);
Data = 0x05;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],(__u16)(ATEN2011_port->DcrRegOffset+1),Data);
- if(status<0) {
- DPRINTK("Writing DCR1 failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("DCR1 Writing success status%d\n",status);
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i],
+ (__u16) (ATEN2011_port->DcrRegOffset +
+ 1), Data);
+ if (status < 0) {
+ DPRINTK("Writing DCR1 failed status-0x%x\n", status);
+ break;
+ } else
+ DPRINTK("DCR1 Writing success status%d\n", status);
Data = 0x24;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],(__u16)(ATEN2011_port->DcrRegOffset+2),Data);
- if(status<0) {
- DPRINTK("Writing DCR2 failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("DCR2 Writing success status%d\n",status);
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i],
+ (__u16) (ATEN2011_port->DcrRegOffset +
+ 2), Data);
+ if (status < 0) {
+ DPRINTK("Writing DCR2 failed status-0x%x\n", status);
+ break;
+ } else
+ DPRINTK("DCR2 Writing success status%d\n", status);
// write values in clkstart0x0 and clkmulti 0x20
Data = 0x0;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],CLK_START_VALUE_REGISTER,Data);
- if(status<0) {
- DPRINTK("Writing CLK_START_VALUE_REGISTER failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("CLK_START_VALUE_REGISTER Writing success status%d\n",status);
-
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i],
+ CLK_START_VALUE_REGISTER, Data);
+ if (status < 0) {
+ DPRINTK
+ ("Writing CLK_START_VALUE_REGISTER failed status-0x%x\n",
+ status);
+ break;
+ } else
+ DPRINTK
+ ("CLK_START_VALUE_REGISTER Writing success status%d\n",
+ status);
Data = 0x20;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],CLK_MULTI_REGISTER,Data);
- if(status<0) {
- DPRINTK("Writing CLK_MULTI_REGISTER failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("CLK_MULTI_REGISTER Writing success status%d\n",status);
-
+ status = 0;
+ status =
+ ATEN2011_set_reg_sync(serial->port[i], CLK_MULTI_REGISTER,
+ Data);
+ if (status < 0) {
+ DPRINTK
+ ("Writing CLK_MULTI_REGISTER failed status-0x%x\n",
+ status);
+ break;
+ } else
+ DPRINTK("CLK_MULTI_REGISTER Writing success status%d\n",
+ status);
//write value 0x0 to scratchpad register
/*
- if(RS485mode==0)
- Data = 0xC0;
- else
- Data = 0x00;
- status=0;
- status=ATEN2011_set_Uart_Reg(serial->port[i],SCRATCH_PAD_REGISTER,Data);
- if(status<0) {
- DPRINTK("Writing SCRATCH_PAD_REGISTER failed status-0x%x\n", status);
- break;
- }
- else DPRINTK("SCRATCH_PAD_REGISTER Writing success status%d\n",status);
- */
-
- /*
- //Threshold Registers
- if(ATEN2011_serial->ATEN2011_spectrum_2or4ports==4)
- {
- Data = 0x00;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt),Data);
- DPRINTK("THRESHOLD_VAL offset is%x\n", (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt));
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
- }
- else DPRINTK("THRESHOLD_VAL Writing success status%d\n",status);
- ATEN2011_Thr_cnt++;
-
- Data = 0x01;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt),Data);
- DPRINTK("THRESHOLD_VAL offsetis%x\n",(__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt));
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
- }
- else DPRINTK("THRESHOLD_VAL Writing success status%d\n",status);
- ATEN2011_Thr_cnt++;
- }
-
- else
- {
-
- if(ATEN2011_port->port_num==1)
- {
- Data = 0x00;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- 0x3f,Data);
- DPRINTK("THRESHOLD_VAL offset is 0x3f\n");
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
- }
- Data = 0x01;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- 0x40,Data);
- DPRINTK("THRESHOLD_VAL offset is 0x40\n");
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
-
- }
- }
- else
- {
- Data = 0x00;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- 0x43,Data);
- DPRINTK("THRESHOLD_VAL offset is 0x43\n");
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
- }
- Data = 0x01;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- 0x44,Data);
- DPRINTK("THRESHOLD_VAL offset is 0x44\n");
- if(status<0) {
- DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
- break;
-
- }
-
-
- }
+ if(RS485mode==0)
+ Data = 0xC0;
+ else
+ Data = 0x00;
+ status=0;
+ status=ATEN2011_set_Uart_Reg(serial->port[i],SCRATCH_PAD_REGISTER,Data);
+ if(status<0) {
+ DPRINTK("Writing SCRATCH_PAD_REGISTER failed status-0x%x\n", status);
+ break;
+ }
+ else DPRINTK("SCRATCH_PAD_REGISTER Writing success status%d\n",status);
+ */
- }
- */
+ /*
+ //Threshold Registers
+ if(ATEN2011_serial->ATEN2011_spectrum_2or4ports==4)
+ {
+ Data = 0x00;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt),Data);
+ DPRINTK("THRESHOLD_VAL offset is%x\n", (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt));
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+ }
+ else DPRINTK("THRESHOLD_VAL Writing success status%d\n",status);
+ ATEN2011_Thr_cnt++;
+
+ Data = 0x01;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ (__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt),Data);
+ DPRINTK("THRESHOLD_VAL offsetis%x\n",(__u16)(THRESHOLD_VAL_SP1_1+(__u16)ATEN2011_Thr_cnt));
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+ }
+ else DPRINTK("THRESHOLD_VAL Writing success status%d\n",status);
+ ATEN2011_Thr_cnt++;
+ }
+
+ else
+ {
+
+ if(ATEN2011_port->port_num==1)
+ {
+ Data = 0x00;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ 0x3f,Data);
+ DPRINTK("THRESHOLD_VAL offset is 0x3f\n");
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+ }
+ Data = 0x01;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ 0x40,Data);
+ DPRINTK("THRESHOLD_VAL offset is 0x40\n");
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+
+ }
+ }
+ else
+ {
+ Data = 0x00;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ 0x43,Data);
+ DPRINTK("THRESHOLD_VAL offset is 0x43\n");
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+ }
+ Data = 0x01;
+ status=0;
+ status=ATEN2011_set_reg_sync(serial->port[i],\
+ 0x44,Data);
+ DPRINTK("THRESHOLD_VAL offset is 0x44\n");
+ if(status<0) {
+ DPRINTK("Writing THRESHOLD_VAL failed status-0x%x\n",status);
+ break;
+
+ }
+
+ }
+
+ }
+ */
//Zero Length flag register
- if((ATEN2011_port->port_num != 1)&&(ATEN2011_serial->ATEN2011_spectrum_2or4ports==2 ))
- {
-
- Data = 0xff;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- (__u16)(ZLP_REG1+((__u16)ATEN2011_port->port_num)),Data);
- DPRINTK("ZLIP offset%x\n",(__u16)(ZLP_REG1+((__u16)ATEN2011_port->port_num)));
- if(status<0) {
- DPRINTK("Writing ZLP_REG%d failed status-0x%x\n",i+2,status);
- break;
- }
- else DPRINTK("ZLP_REG%d Writing success status%d\n",i+2,status);
- }
- else
- {
- Data = 0xff;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[i],\
- (__u16)(ZLP_REG1+((__u16)ATEN2011_port->port_num)-0x1),Data);
- DPRINTK("ZLIP offset%x\n",(__u16)(ZLP_REG1+((__u16)ATEN2011_port->port_num)-0x1));
- if(status<0) {
- DPRINTK("Writing ZLP_REG%d failed status-0x%x\n",i+1,status);
- break;
- }
- else DPRINTK("ZLP_REG%d Writing success status%d\n",i+1,status);
-
+ if ((ATEN2011_port->port_num != 1)
+ && (ATEN2011_serial->ATEN2011_spectrum_2or4ports == 2)) {
+
+ Data = 0xff;
+ status = 0;
+ status = ATEN2011_set_reg_sync(serial->port[i],
+ (__u16) (ZLP_REG1 +
+ ((__u16)
+ ATEN2011_port->
+ port_num)),
+ Data);
+ DPRINTK("ZLIP offset%x\n",
+ (__u16) (ZLP_REG1 +
+ ((__u16) ATEN2011_port->port_num)));
+ if (status < 0) {
+ DPRINTK
+ ("Writing ZLP_REG%d failed status-0x%x\n",
+ i + 2, status);
+ break;
+ } else
+ DPRINTK("ZLP_REG%d Writing success status%d\n",
+ i + 2, status);
+ } else {
+ Data = 0xff;
+ status = 0;
+ status = ATEN2011_set_reg_sync(serial->port[i],
+ (__u16) (ZLP_REG1 +
+ ((__u16)
+ ATEN2011_port->
+ port_num) -
+ 0x1), Data);
+ DPRINTK("ZLIP offset%x\n",
+ (__u16) (ZLP_REG1 +
+ ((__u16) ATEN2011_port->port_num) -
+ 0x1));
+ if (status < 0) {
+ DPRINTK
+ ("Writing ZLP_REG%d failed status-0x%x\n",
+ i + 1, status);
+ break;
+ } else
+ DPRINTK("ZLP_REG%d Writing success status%d\n",
+ i + 1, status);
}
- ATEN2011_port->control_urb = usb_alloc_urb(0,GFP_ATOMIC);
- ATEN2011_port->ctrl_buf = kmalloc(16,GFP_KERNEL);
-
+ ATEN2011_port->control_urb = usb_alloc_urb(0, GFP_ATOMIC);
+ ATEN2011_port->ctrl_buf = kmalloc(16, GFP_KERNEL);
}
-
- ATEN2011_Thr_cnt=0;
- //Zero Length flag enable
- Data = 0x0f;
- status=0;
- status=ATEN2011_set_reg_sync(serial->port[0],ZLP_REG5,Data);
- if(status<0) {
- DPRINTK("Writing ZLP_REG5 failed status-0x%x\n",status);
- return -1;
- }
- else DPRINTK("ZLP_REG5 Writing success status%d\n",status);
+ ATEN2011_Thr_cnt = 0;
+ //Zero Length flag enable
+ Data = 0x0f;
+ status = 0;
+ status = ATEN2011_set_reg_sync(serial->port[0], ZLP_REG5, Data);
+ if (status < 0) {
+ DPRINTK("Writing ZLP_REG5 failed status-0x%x\n", status);
+ return -1;
+ } else
+ DPRINTK("ZLP_REG5 Writing success status%d\n", status);
/* setting configuration feature to one */
- usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), (__u8)0x03, 0x00,0x01,0x00, 0x00, 0x00, 5*HZ);
- ATEN2011_Thr_cnt =0 ;
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ (__u8) 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 5 * HZ);
+ ATEN2011_Thr_cnt = 0;
return 0;
}
-
-
/****************************************************************************
* ATEN2011_shutdown
* This function is called whenever the device is removed from the usb bus.
****************************************************************************/
-static void ATEN2011_shutdown (struct usb_serial *serial)
+static void ATEN2011_shutdown(struct usb_serial *serial)
{
int i;
struct ATENINTL_port *ATEN2011_port;
- DPRINTK("%s \n"," shutdown :entering..........");
+ DPRINTK("%s \n", " shutdown :entering..........");
/* MATRIX */
//ThreadState = 1;
/* MATRIX */
- if(!serial)
- {
- DPRINTK("%s","Invalid Handler \n");
+ if (!serial) {
+ DPRINTK("%s", "Invalid Handler \n");
return;
}
- /* check for the ports to be closed,close the ports and disconnect */
+ /* check for the ports to be closed,close the ports and disconnect */
/* free private structure allocated for serial port *
- * stop reads and writes on all ports */
+ * stop reads and writes on all ports */
- for (i=0; i < serial->num_ports; ++i)
- {
+ for (i = 0; i < serial->num_ports; ++i) {
ATEN2011_port = ATEN2011_get_port_private(serial->port[i]);
kfree(ATEN2011_port->ctrl_buf);
usb_kill_urb(ATEN2011_port->control_urb);
kfree(ATEN2011_port);
- ATEN2011_set_port_private(serial->port[i],NULL);
+ ATEN2011_set_port_private(serial->port[i], NULL);
}
/* free private structure allocated for serial device */
kfree(ATEN2011_get_serial_private(serial));
- ATEN2011_set_serial_private(serial,NULL);
+ ATEN2011_set_serial_private(serial, NULL);
- DPRINTK("%s\n","Thank u :: ");
+ DPRINTK("%s\n", "Thank u :: ");
}
-
/* Inline functions to check the sanity of a pointer that is passed to us */
-static int ATEN2011_serial_paranoia_check (struct usb_serial *serial, const char *function)
+static int ATEN2011_serial_paranoia_check(struct usb_serial *serial,
+ const char *function)
{
- if (!serial) {
- dbg("%s - serial == NULL", function);
- return -1;
- }
+ if (!serial) {
+ dbg("%s - serial == NULL", function);
+ return -1;
+ }
// if (serial->magic != USB_SERIAL_MAGIC) {
// dbg("%s - bad magic number for serial", function);
// return -1;
// }
- if (!serial->type) {
- dbg("%s - serial->type == NULL!", function);
- return -1;
- }
+ if (!serial->type) {
+ dbg("%s - serial->type == NULL!", function);
+ return -1;
+ }
- return 0;
+ return 0;
}
-static int ATEN2011_port_paranoia_check (struct usb_serial_port *port, const char *function)
+static int ATEN2011_port_paranoia_check(struct usb_serial_port *port,
+ const char *function)
{
- if (!port) {
- dbg("%s - port == NULL", function);
- return -1;
- }
+ if (!port) {
+ dbg("%s - port == NULL", function);
+ return -1;
+ }
// if (port->magic != USB_SERIAL_PORT_MAGIC) {
// dbg("%s - bad magic number for port", function);
// return -1;
// }
- if (!port->serial) {
- dbg("%s - port->serial == NULL", function);
- return -1;
- }
+ if (!port->serial) {
+ dbg("%s - port->serial == NULL", function);
+ return -1;
+ }
- return 0;
+ return 0;
}
-static struct usb_serial* ATEN2011_get_usb_serial (struct usb_serial_port *port, const char *function) {
- /* if no port was specified, or it fails a paranoia check */
- if (!port ||
- ATEN2011_port_paranoia_check (port, function) ||
- ATEN2011_serial_paranoia_check (port->serial, function)) {
- /* then say that we don't have a valid usb_serial thing, which will * end up genrating -ENODEV return values */
- return NULL;
- }
+static struct usb_serial *ATEN2011_get_usb_serial(struct usb_serial_port *port,
+ const char *function)
+{
+ /* if no port was specified, or it fails a paranoia check */
+ if (!port ||
+ ATEN2011_port_paranoia_check(port, function) ||
+ ATEN2011_serial_paranoia_check(port->serial, function)) {
+ /* then say that we don't have a valid usb_serial thing, which will * end up genrating -ENODEV return values */
+ return NULL;
+ }
- return port->serial;
+ return port->serial;
}
-
-
/****************************************************************************
* ATENINTL2011_init
* This is called by the module subsystem, or on startup to initialize us
****************************************************************************/
- int __init ATENINTL2011_init(void)
+int __init ATENINTL2011_init(void)
{
int retval;
- DPRINTK("%s \n"," ATEN2011_init :entering..........");
+ DPRINTK("%s \n", " ATEN2011_init :entering..........");
- /* Register with the usb serial */
- retval = usb_serial_register (&ATENINTL2011_4port_device);
+ /* Register with the usb serial */
+ retval = usb_serial_register(&ATENINTL2011_4port_device);
- if(retval)
+ if (retval)
goto failed_port_device_register;
/* info(DRIVER_DESC " " DRIVER_VERSION); */
- printk(KERN_INFO KBUILD_MODNAME ":"
- DRIVER_DESC " " DRIVER_VERSION "\n");
-
+ printk(KERN_INFO KBUILD_MODNAME ":"
+ DRIVER_DESC " " DRIVER_VERSION "\n");
- /* Register with the usb */
+ /* Register with the usb */
retval = usb_register(&io_driver);
if (retval)
goto failed_usb_register;
- if(retval == 0)
- {
- DPRINTK("%s\n","Leaving...");
+ if (retval == 0) {
+ DPRINTK("%s\n", "Leaving...");
return 0;
}
-
-failed_usb_register:
+ failed_usb_register:
usb_serial_deregister(&ATENINTL2011_4port_device);
-failed_port_device_register:
+ failed_port_device_register:
return retval;
}
* ATENINTL2011_exit
* Called when the driver is about to be unloaded.
****************************************************************************/
-void __exit ATENINTL2011_exit (void)
+void __exit ATENINTL2011_exit(void)
{
- DPRINTK("%s \n"," ATEN2011_exit :entering..........");
+ DPRINTK("%s \n", " ATEN2011_exit :entering..........");
- usb_deregister (&io_driver);
+ usb_deregister(&io_driver);
- usb_serial_deregister (&ATENINTL2011_4port_device);
+ usb_serial_deregister(&ATENINTL2011_4port_device);
- DPRINTK("%s\n","End...");
+ DPRINTK("%s\n", "End...");
}
module_init(ATENINTL2011_init);
module_exit(ATENINTL2011_exit);
/* Module information */
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_PARM_DESC(debug, "Debug enabled or not");
-
git://bbs.cooldavid.org / net-next-2.6.git / commitdiff