#include <linux/serial_reg.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
/*
#define URB_TRANSFER_BUFFER_SIZE 32 /* URB Size */
/* This structure holds all of the local port information */
-struct moschip_port
-{
+struct moschip_port {
__u8 shadowLCR; /* last LCR value received */
__u8 shadowMCR; /* last MCR value received */
__u8 shadowMSR; /* last MSR value received */
};
/* This structure holds all of the individual serial device information */
-struct moschip_serial
-{
+struct moschip_serial {
int interrupt_started;
};
#define MOSCHIP_DEVICE_ID_7715 0x7715
static struct usb_device_id moschip_port_id_table [] = {
- { USB_DEVICE(USB_VENDOR_ID_MOSCHIP,MOSCHIP_DEVICE_ID_7720) },
+ { USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7720) },
{ } /* terminating entry */
};
MODULE_DEVICE_TABLE(usb, moschip_port_id_table);
__u8 sp1;
__u8 sp2;
- dbg("%s"," : Entering\n");
+ dbg("%s", " : Entering\n");
switch (status) {
case 0:
mos7720_port = urb->context;
if (!mos7720_port) {
- dbg("%s","NULL mos7720_port pointer \n");
+ dbg("%s", "NULL mos7720_port pointer \n");
return ;
}
__u16 size = 0x0000;
if (value < MOS_MAX_PORT) {
- if (product == MOSCHIP_DEVICE_ID_7715) {
+ if (product == MOSCHIP_DEVICE_ID_7715)
value = value*0x100+0x100;
- } else {
+ else
value = value*0x100+0x200;
- }
} else {
value = 0x0000;
if ((product == MOSCHIP_DEVICE_ID_7715) &&
(index != 0x08)) {
dbg("serial->product== MOSCHIP_DEVICE_ID_7715");
- //index = 0x01 ;
+ /* index = 0x01 ; */
}
}
request = (__u8)MOS_READ;
requesttype = (__u8)0xC0;
size = 0x01;
- pipe = usb_rcvctrlpipe(serial->dev,0);
+ pipe = usb_rcvctrlpipe(serial->dev, 0);
}
status = usb_control_msg(serial->dev, pipe, request, requesttype,
value, index, data, size, MOS_WDR_TIMEOUT);
if (status < 0)
- dbg("Command Write failed Value %x index %x\n",value,index);
+ dbg("Command Write failed Value %x index %x\n", value, index);
return status;
}
static int mos7720_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file * filp)
+ struct usb_serial_port *port, struct file *filp)
{
struct usb_serial *serial;
struct usb_serial_port *port0;
/* Initialising the write urb pool */
for (j = 0; j < NUM_URBS; ++j) {
- urb = usb_alloc_urb(0,GFP_KERNEL);
+ urb = usb_alloc_urb(0, GFP_KERNEL);
mos7720_port->write_urb_pool[j] = urb;
if (urb == NULL) {
*/
port_number = port->number - port->serial->minor;
send_mos_cmd(port->serial, MOS_READ, port_number, UART_LSR, &data);
- dbg("SS::%p LSR:%x\n",mos7720_port, data);
+ dbg("SS::%p LSR:%x\n", mos7720_port, data);
dbg("Check:Sending Command ..........");
data = 0xCF;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x02, &data);
data = 0x03;
- mos7720_port->shadowLCR = data;
+ mos7720_port->shadowLCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
data = 0x0b;
- mos7720_port->shadowMCR = data;
+ mos7720_port->shadowMCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
data = 0x0b;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
data = 0x03;
send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1, &data);
data = 0x00;
- send_mos_cmd(port->serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1, &data);
+ send_mos_cmd(port->serial, MOS_WRITE, MOS_MAX_PORT,
+ port_number + 1, &data);
*/
data = 0x00;
send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
data = 0x83;
- mos7720_port->shadowLCR = data;
+ mos7720_port->shadowLCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
data = 0x0c;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x00, &data);
data = 0x00;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
data = 0x03;
- mos7720_port->shadowLCR = data;
+ mos7720_port->shadowLCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
data = 0x0c;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
/* set up our interrupt urb */
usb_fill_int_urb(port0->interrupt_in_urb, serial->dev,
- usb_rcvintpipe(serial->dev,
- port->interrupt_in_endpointAddress),
- port0->interrupt_in_buffer,
- port0->interrupt_in_urb->transfer_buffer_length,
- mos7720_interrupt_callback, mos7720_port,
- port0->interrupt_in_urb->interval);
+ usb_rcvintpipe(serial->dev,
+ port->interrupt_in_endpointAddress),
+ port0->interrupt_in_buffer,
+ port0->interrupt_in_urb->transfer_buffer_length,
+ mos7720_interrupt_callback, mos7720_port,
+ port0->interrupt_in_urb->interval);
/* start interrupt read for this mos7720 this interrupt *
- * will continue as long as the mos7720 is connected */
+ * will continue as long as the mos7720 is connected */
dbg("Submit URB over !!!");
response = usb_submit_urb(port0->interrupt_in_urb, GFP_KERNEL);
if (response)
/* set up our bulk in urb */
usb_fill_bulk_urb(port->read_urb, serial->dev,
usb_rcvbulkpipe(serial->dev,
- port->bulk_in_endpointAddress),
+ port->bulk_in_endpointAddress),
port->bulk_in_buffer,
port->read_urb->transfer_buffer_length,
mos7720_bulk_in_callback, mos7720_port);
response = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (response)
- dev_err(&port->dev,
- "%s - Error %d submitting read urb\n", __func__, response);
+ dev_err(&port->dev, "%s - Error %d submitting read urb\n",
+ __func__, response);
/* initialize our icount structure */
memset(&(mos7720_port->icount), 0x00, sizeof(mos7720_port->icount));
}
for (i = 0; i < NUM_URBS; ++i) {
- if (mos7720_port->write_urb_pool[i] && mos7720_port->write_urb_pool[i]->status == -EINPROGRESS)
+ if (mos7720_port->write_urb_pool[i] &&
+ mos7720_port->write_urb_pool[i]->status == -EINPROGRESS)
chars += URB_TRANSFER_BUFFER_SIZE;
}
dbg("%s - returns %d", __func__, chars);
* been disconnected */
if (!serial->disconnected) {
data = 0x00;
- send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
- 0x04, &data);
+ send_mos_cmd(serial, MOS_WRITE,
+ port->number - port->serial->minor, 0x04, &data);
data = 0x00;
- send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
- 0x01, &data);
+ send_mos_cmd(serial, MOS_WRITE,
+ port->number - port->serial->minor, 0x01, &data);
}
mutex_unlock(&serial->disc_mutex);
mos7720_port->open = 0;
static void mos7720_break(struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
- unsigned char data;
+ unsigned char data;
struct usb_serial *serial;
struct moschip_port *mos7720_port;
/* FIXME: Locking */
for (i = 0; i < NUM_URBS; ++i) {
- if (mos7720_port->write_urb_pool[i] && mos7720_port->write_urb_pool[i]->status != -EINPROGRESS)
+ if (mos7720_port->write_urb_pool[i] &&
+ mos7720_port->write_urb_pool[i]->status != -EINPROGRESS)
room += URB_TRANSFER_BUFFER_SIZE;
}
urb = NULL;
for (i = 0; i < NUM_URBS; ++i) {
- if (mos7720_port->write_urb_pool[i] && mos7720_port->write_urb_pool[i]->status != -EINPROGRESS) {
+ if (mos7720_port->write_urb_pool[i] &&
+ mos7720_port->write_urb_pool[i]->status != -EINPROGRESS) {
urb = mos7720_port->write_urb_pool[i];
- dbg("URB:%d",i);
+ dbg("URB:%d", i);
break;
}
}
goto exit;
}
}
- transfer_size = min (count, URB_TRANSFER_BUFFER_SIZE);
+ transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE);
memcpy(urb->transfer_buffer, current_position, transfer_size);
usb_serial_debug_data(debug, &port->dev, __func__, transfer_size,
/* fill urb with data and submit */
usb_fill_bulk_urb(urb, serial->dev,
usb_sndbulkpipe(serial->dev,
- port->bulk_out_endpointAddress),
+ port->bulk_out_endpointAddress),
urb->transfer_buffer, transfer_size,
mos7720_bulk_out_data_callback, mos7720_port);
/* send it down the pipe */
- status = usb_submit_urb(urb,GFP_ATOMIC);
+ status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
err("%s - usb_submit_urb(write bulk) failed with status = %d",
__func__, status);
port = mos7720_port->port;
serial = port->serial;
- /***********************************************
- * Init Sequence for higher rates
- ***********************************************/
+ /***********************************************
+ * Init Sequence for higher rates
+ ***********************************************/
dbg("Sending Setting Commands ..........");
port_number = port->number - port->serial->minor;
data = 0x0CF;
send_mos_cmd(serial, MOS_WRITE, port->number, 0x02, &data);
data = 0x00b;
- mos7720_port->shadowMCR = data;
+ mos7720_port->shadowMCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
data = 0x00b;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
- /***********************************************
- * Set for higher rates *
- ***********************************************/
+ /***********************************************
+ * Set for higher rates *
+ ***********************************************/
data = baud * 0x10;
- send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1,&data);
+ send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1, &data);
data = 0x003;
send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
data = 0x02b;
- mos7720_port->shadowMCR = data;
+ mos7720_port->shadowMCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
data = 0x02b;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
- /***********************************************
- * Set DLL/DLM
- ***********************************************/
+ /***********************************************
+ * Set DLL/DLM
+ ***********************************************/
data = mos7720_port->shadowLCR | UART_LCR_DLAB;
- mos7720_port->shadowLCR = data;
+ mos7720_port->shadowLCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
data = 0x001; /* DLL */
- send_mos_cmd(serial, MOS_WRITE, port_number, 0x00, &data);
+ send_mos_cmd(serial, MOS_WRITE, port_number, 0x00, &data);
data = 0x000; /* DLM */
- send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+ send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
data = mos7720_port->shadowLCR & ~UART_LCR_DLAB;
- mos7720_port->shadowLCR = data;
+ mos7720_port->shadowLCR = data;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
return 0;
}
/* baud rate information */
-struct divisor_table_entry
-{
+struct divisor_table_entry {
__u32 baudrate;
__u16 divisor;
};
}
}
- /* 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) {
/* get the divisor */
custom = (__u16)(230400L / baudrate);
custom++;
*divisor = custom;
- dbg("Baud %d = %d",baudrate, custom);
+ dbg("Baud %d = %d", baudrate, custom);
return 0;
}
number = port->number - port->serial->minor;
dbg("%s - port = %d, baud = %d", __func__, port->number, baudrate);
- /* Calculate the Divisor */
+ /* Calculate the Divisor */
status = calc_baud_rate_divisor(baudrate, &divisor);
if (status) {
err("%s - bad baud rate", __func__);
return status;
}
- /* Enable access to divisor latch */
- data = mos7720_port->shadowLCR | UART_LCR_DLAB;
- mos7720_port->shadowLCR = data;
- send_mos_cmd(serial, MOS_WRITE, number, UART_LCR, &data);
+ /* Enable access to divisor latch */
+ data = mos7720_port->shadowLCR | UART_LCR_DLAB;
+ mos7720_port->shadowLCR = data;
+ send_mos_cmd(serial, MOS_WRITE, number, UART_LCR, &data);
/* Write the divisor */
data = ((unsigned char)(divisor & 0xff));
- send_mos_cmd(serial, MOS_WRITE, number, 0x00, &data);
+ send_mos_cmd(serial, MOS_WRITE, number, 0x00, &data);
data = ((unsigned char)((divisor & 0xff00) >> 8));
- send_mos_cmd(serial, MOS_WRITE, number, 0x01, &data);
+ send_mos_cmd(serial, MOS_WRITE, number, 0x01, &data);
- /* Disable access to divisor latch */
- data = mos7720_port->shadowLCR & ~UART_LCR_DLAB;
- mos7720_port->shadowLCR = data;
- send_mos_cmd(serial, MOS_WRITE, number, 0x03, &data);
+ /* Disable access to divisor latch */
+ data = mos7720_port->shadowLCR & ~UART_LCR_DLAB;
+ mos7720_port->shadowLCR = data;
+ send_mos_cmd(serial, MOS_WRITE, number, 0x03, &data);
return status;
}
#define LCR_PAR_MASK 0x38 /* Mask for parity field */
/* Update the LCR with the correct value */
- mos7720_port->shadowLCR &= ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
+ mos7720_port->shadowLCR &=
+ ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
mos7720_port->shadowLCR |= (lData | lParity | lStop);
/* Disable Interrupts */
data = 0x00;
- send_mos_cmd(serial,MOS_WRITE,port->number - port->serial->minor, UART_IER, &data);
+ send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
+ UART_IER, &data);
data = 0x00;
- send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
+ send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
data = 0xcf;
- send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
+ send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
/* Send the updated LCR value to the mos7720 */
data = mos7720_port->shadowLCR;
- send_mos_cmd(serial, MOS_WRITE, port_number, UART_LCR, &data);
+ send_mos_cmd(serial, MOS_WRITE, port_number, UART_LCR, &data);
- data = 0x00b;
- mos7720_port->shadowMCR = data;
- send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
- data = 0x00b;
- send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+ data = 0x00b;
+ mos7720_port->shadowMCR = data;
+ send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+ data = 0x00b;
+ send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
/* set up the MCR register and send it to the mos7720 */
mos7720_port->shadowMCR = UART_MCR_OUT2;
if (cflag & CRTSCTS) {
mos7720_port->shadowMCR |= (UART_MCR_XONANY);
-
- /* To set hardware flow control to the specified *
- * serial port, in SP1/2_CONTROL_REG */
+ /* To set hardware flow control to the specified *
+ * serial port, in SP1/2_CONTROL_REG */
if (port->number) {
data = 0x001;
send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT,
return;
}
- dbg("%s\n","setting termios - ASPIRE");
+ dbg("%s\n", "setting termios - ASPIRE");
cflag = tty->termios->c_cflag;
/* change the port settings to the new ones specified */
change_port_settings(tty, mos7720_port, old_termios);
- if(!port->read_urb) {
- dbg("%s","URB KILLED !!!!!\n");
+ if (!port->read_urb) {
+ dbg("%s", "URB KILLED !!!!!\n");
return;
}
- if(port->read_urb->status != -EINPROGRESS) {
+ if (port->read_urb->status != -EINPROGRESS) {
port->read_urb->dev = serial->dev;
status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (status)
* transmit holding register is empty. This functionality
* allows an RS485 driver to be written in user space.
*/
-static int get_lsr_info(struct tty_struct *tty, struct moschip_port *mos7720_port,
- unsigned int __user *value)
+static int get_lsr_info(struct tty_struct *tty,
+ struct moschip_port *mos7720_port, unsigned int __user *value)
{
int count;
unsigned int result = 0;
if (mos7720_port == NULL)
return -1;
- port = (struct usb_serial_port*)mos7720_port->port;
+ port = (struct usb_serial_port *)mos7720_port->port;
mcr = mos7720_port->shadowMCR;
if (copy_from_user(&arg, value, sizeof(int)))
tmp.port = mos7720_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.xmit_fifo_size = NUM_URBS * URB_TRANSFER_BUFFER_SIZE;
tmp.baud_base = 9600;
tmp.close_delay = 5*HZ;
tmp.closing_wait = 30*HZ;
case TIOCSERGETLSR:
dbg("%s (%d) TIOCSERGETLSR", __func__, port->number);
- return get_lsr_info(tty, mos7720_port, (unsigned int __user *)arg);
+ return get_lsr_info(tty, mos7720_port,
+ (unsigned int __user *)arg);
return 0;
/* FIXME: These should be using the mode methods */
case TIOCMBIS:
case TIOCMBIC:
case TIOCMSET:
- dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __func__,
- port->number);
+ dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET",
+ __func__, port->number);
return set_modem_info(mos7720_port, cmd,
(unsigned int __user *)arg);
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)) ) {
+ ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
return 0;
}
cprev = cnow;
icount.buf_overrun = cnow.buf_overrun;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
- port->number, icount.rx, icount.tx );
+ port->number, icount.rx, icount.tx);
if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
return -EFAULT;
return 0;
/* Initialize all port interrupt end point to port 0 int
* endpoint. Our device has only one interrupt endpoint
* comman to all ports */
- serial->port[i]->interrupt_in_endpointAddress = serial->port[0]->interrupt_in_endpointAddress;
+ serial->port[i]->interrupt_in_endpointAddress =
+ serial->port[0]->interrupt_in_endpointAddress;
mos7720_port->port = serial->port[i];
usb_set_serial_port_data(serial->port[i], mos7720_port);
/* setting configuration feature to one */
usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- (__u8)0x03, 0x00,0x01,0x00, NULL, 0x00, 5*HZ);
+ (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
- send_mos_cmd(serial,MOS_READ,0x00, UART_LSR, &data); // LSR For Port 1
- dbg("LSR:%x",data);
+ /* LSR For Port 1 */
+ send_mos_cmd(serial, MOS_READ, 0x00, UART_LSR, &data);
+ dbg("LSR:%x", data);
- send_mos_cmd(serial,MOS_READ,0x01, UART_LSR, &data); // LSR For Port 2
- dbg("LSR:%x",data);
+ /* LSR For Port 2 */
+ send_mos_cmd(serial, MOS_READ, 0x01, UART_LSR, &data);
+ dbg("LSR:%x", data);
return 0;
}
int i;
/* free private structure allocated for serial port */
- for (i=0; i < serial->num_ports; ++i) {
+ for (i = 0; i < serial->num_ports; ++i) {
kfree(usb_get_serial_port_data(serial->port[i]));
usb_set_serial_port_data(serial->port[i], NULL);
}
module_exit(moschip7720_exit);
/* Module information */
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
module_param(debug, bool, S_IRUGO | S_IWUSR);
projects / linux-2.6 / commitdiff