diff options
Diffstat (limited to 'drivers/usb/serial/mos7720.c')
| -rw-r--r-- | drivers/usb/serial/mos7720.c | 308 |
1 files changed, 148 insertions, 160 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 50f1fe263338..7c4917d77c0a 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -33,7 +33,7 @@ #include <linux/serial_reg.h> #include <linux/usb.h> #include <linux/usb/serial.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* @@ -64,8 +64,7 @@ #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 */ @@ -76,8 +75,7 @@ struct moschip_port }; /* This structure holds all of the individual serial device information */ -struct moschip_serial -{ +struct moschip_serial { int interrupt_started; }; @@ -88,7 +86,7 @@ static int debug; #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); @@ -108,7 +106,7 @@ static void mos7720_interrupt_callback(struct urb *urb) __u8 sp1; __u8 sp2; - dbg("%s"," : Entering\n"); + dbg("%s", " : Entering\n"); switch (status) { case 0: @@ -208,7 +206,7 @@ static void mos7720_bulk_in_callback(struct urb *urb) mos7720_port = urb->context; if (!mos7720_port) { - dbg("%s","NULL mos7720_port pointer \n"); + dbg("%s", "NULL mos7720_port pointer \n"); return ; } @@ -218,7 +216,7 @@ static void mos7720_bulk_in_callback(struct urb *urb) data = urb->transfer_buffer; - tty = port->tty; + tty = port->port.tty; if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); @@ -264,7 +262,7 @@ static void mos7720_bulk_out_data_callback(struct urb *urb) dbg("Entering ........."); - tty = mos7720_port->port->tty; + tty = mos7720_port->port->port.tty; if (tty && mos7720_port->open) tty_wakeup(tty); @@ -284,17 +282,16 @@ static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value, __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 ; */ } } @@ -308,19 +305,20 @@ static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value, 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 usb_serial_port *port, struct file * filp) +static int mos7720_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { struct usb_serial *serial; struct usb_serial_port *port0; @@ -351,7 +349,7 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) /* 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) { @@ -385,7 +383,7 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) */ 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 .........."); @@ -402,10 +400,10 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) 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); @@ -420,7 +418,8 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) 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); @@ -429,28 +428,26 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) 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); data = 0x0c; send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data); -//Matrix - /* force low_latency on so that our tty_push actually forces * * the data through,otherwise it is scheduled, and with * * high data rates (like with OHCI) data can get lost. */ - if (port->tty) - port->tty->low_latency = 1; + if (tty) + tty->low_latency = 1; /* see if we've set up our endpoint info yet * * (can't set it up in mos7720_startup as the * @@ -465,15 +462,15 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) /* 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) @@ -485,14 +482,14 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) /* 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)); @@ -515,8 +512,9 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) * system, * Otherwise we return a negative error number. */ -static int mos7720_chars_in_buffer(struct usb_serial_port *port) +static int mos7720_chars_in_buffer(struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; int i; int chars = 0; struct moschip_port *mos7720_port; @@ -530,14 +528,16 @@ static int mos7720_chars_in_buffer(struct usb_serial_port *port) } 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); return chars; } -static void mos7720_close(struct usb_serial_port *port, struct file *filp) +static void mos7720_close(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { struct usb_serial *serial; struct moschip_port *mos7720_port; @@ -575,12 +575,12 @@ static void mos7720_close(struct usb_serial_port *port, struct file *filp) * 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; @@ -588,9 +588,10 @@ static void mos7720_close(struct usb_serial_port *port, struct file *filp) dbg("Leaving %s", __func__); } -static void mos7720_break(struct usb_serial_port *port, int break_state) +static void mos7720_break(struct tty_struct *tty, int break_state) { - unsigned char data; + struct usb_serial_port *port = tty->driver_data; + unsigned char data; struct usb_serial *serial; struct moschip_port *mos7720_port; @@ -621,8 +622,9 @@ static void mos7720_break(struct usb_serial_port *port, int break_state) * If successful, we return the amount of room that we have for this port * Otherwise we return a negative error number. */ -static int mos7720_write_room(struct usb_serial_port *port) +static int mos7720_write_room(struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; struct moschip_port *mos7720_port; int room = 0; int i; @@ -637,7 +639,8 @@ static int mos7720_write_room(struct usb_serial_port *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; } @@ -645,8 +648,8 @@ static int mos7720_write_room(struct usb_serial_port *port) return room; } -static int mos7720_write(struct usb_serial_port *port, - const unsigned char *data, int count) +static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *data, int count) { int status; int i; @@ -672,9 +675,10 @@ static int mos7720_write(struct usb_serial_port *port, 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; } } @@ -692,7 +696,7 @@ static int mos7720_write(struct usb_serial_port *port, 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, @@ -701,12 +705,12 @@ static int mos7720_write(struct usb_serial_port *port, /* 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); @@ -719,10 +723,10 @@ exit: return bytes_sent; } -static void mos7720_throttle(struct usb_serial_port *port) +static void mos7720_throttle(struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; struct moschip_port *mos7720_port; - struct tty_struct *tty; int status; dbg("%s- port %d\n", __func__, port->number); @@ -739,16 +743,10 @@ static void mos7720_throttle(struct usb_serial_port *port) dbg("%s: Entering ..........", __func__); - tty = port->tty; - if (!tty) { - dbg("%s - no tty available", __func__); - return; - } - /* if we are implementing XON/XOFF, send the stop character */ if (I_IXOFF(tty)) { unsigned char stop_char = STOP_CHAR(tty); - status = mos7720_write(port, &stop_char, 1); + status = mos7720_write(tty, port, &stop_char, 1); if (status <= 0) return; } @@ -764,11 +762,11 @@ static void mos7720_throttle(struct usb_serial_port *port) } } -static void mos7720_unthrottle(struct usb_serial_port *port) +static void mos7720_unthrottle(struct tty_struct *tty) { - struct tty_struct *tty; - int status; + struct usb_serial_port *port = tty->driver_data; struct moschip_port *mos7720_port = usb_get_serial_port_data(port); + int status; if (mos7720_port == NULL) return; @@ -780,16 +778,10 @@ static void mos7720_unthrottle(struct usb_serial_port *port) dbg("%s: Entering ..........", __func__); - tty = port->tty; - if (!tty) { - dbg("%s - no tty available", __func__); - return; - } - /* if we are implementing XON/XOFF, send the start character */ if (I_IXOFF(tty)) { unsigned char start_char = START_CHAR(tty); - status = mos7720_write(port, &start_char, 1); + status = mos7720_write(tty, port, &start_char, 1); if (status <= 0) return; } @@ -819,9 +811,9 @@ static int set_higher_rates(struct moschip_port *mos7720_port, 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; @@ -832,7 +824,7 @@ static int set_higher_rates(struct moschip_port *mos7720_port, 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); @@ -843,12 +835,12 @@ static int set_higher_rates(struct moschip_port *mos7720_port, 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); @@ -856,34 +848,33 @@ static int set_higher_rates(struct moschip_port *mos7720_port, 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; }; @@ -932,8 +923,8 @@ static int calc_baud_rate_divisor(int baudrate, int *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); @@ -945,7 +936,7 @@ static int calc_baud_rate_divisor(int baudrate, int *divisor) custom++; *divisor = custom; - dbg("Baud %d = %d",baudrate, custom); + dbg("Baud %d = %d", baudrate, custom); return 0; } @@ -979,29 +970,29 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port, 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; } @@ -1011,12 +1002,12 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port, * This routine is called to set the UART on the device to match * the specified new settings. */ -static void change_port_settings(struct moschip_port *mos7720_port, +static void change_port_settings(struct tty_struct *tty, + struct moschip_port *mos7720_port, struct ktermios *old_termios) { struct usb_serial_port *port; struct usb_serial *serial; - struct tty_struct *tty; int baud; unsigned cflag; unsigned iflag; @@ -1042,8 +1033,6 @@ static void change_port_settings(struct moschip_port *mos7720_port, return; } - tty = mos7720_port->port->tty; - dbg("%s: Entering ..........", __func__); lData = UART_LCR_WLEN8; @@ -1106,29 +1095,31 @@ static void change_port_settings(struct moschip_port *mos7720_port, #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; @@ -1137,9 +1128,8 @@ static void change_port_settings(struct moschip_port *mos7720_port, 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, @@ -1198,14 +1188,13 @@ static void change_port_settings(struct moschip_port *mos7720_port, * this function is called by the tty driver when it wants to change the * termios structure. */ -static void mos7720_set_termios(struct usb_serial_port *port, - struct ktermios *old_termios) +static void mos7720_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) { int status; unsigned int cflag; struct usb_serial *serial; struct moschip_port *mos7720_port; - struct tty_struct *tty; serial = port->serial; @@ -1214,15 +1203,12 @@ static void mos7720_set_termios(struct usb_serial_port *port, if (mos7720_port == NULL) return; - tty = port->tty; - - if (!mos7720_port->open) { dbg("%s - port not opened", __func__); return; } - dbg("%s\n","setting termios - ASPIRE"); + dbg("%s\n", "setting termios - ASPIRE"); cflag = tty->termios->c_cflag; @@ -1237,14 +1223,14 @@ static void mos7720_set_termios(struct usb_serial_port *port, dbg("%s - port %d", __func__, port->number); /* change the port settings to the new ones specified */ - change_port_settings(mos7720_port, old_termios); + 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) @@ -1264,13 +1250,13 @@ static void mos7720_set_termios(struct usb_serial_port *port, * transmit holding register is empty. This functionality * allows an RS485 driver to be written in user space. */ -static int get_lsr_info(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; - count = mos7720_chars_in_buffer(mos7720_port->port); + count = mos7720_chars_in_buffer(tty); if (count == 0) { dbg("%s -- Empty", __func__); result = TIOCSER_TEMT; @@ -1290,7 +1276,7 @@ static int get_number_bytes_avail(struct moschip_port *mos7720_port, unsigned int __user *value) { unsigned int result = 0; - struct tty_struct *tty = mos7720_port->port->tty; + struct tty_struct *tty = mos7720_port->port->port.tty; if (!tty) return -ENOIOCTLCMD; @@ -1316,7 +1302,7 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd, 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))) @@ -1397,7 +1383,7 @@ static int get_serial_info(struct moschip_port *mos7720_port, 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; @@ -1407,9 +1393,10 @@ static int get_serial_info(struct moschip_port *mos7720_port, return 0; } -static int mos7720_ioctl(struct usb_serial_port *port, struct file *file, +static int mos7720_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { + struct usb_serial_port *port = tty->driver_data; struct moschip_port *mos7720_port; struct async_icount cnow; struct async_icount cprev; @@ -1431,14 +1418,16 @@ static int mos7720_ioctl(struct usb_serial_port *port, struct file *file, case TIOCSERGETLSR: dbg("%s (%d) TIOCSERGETLSR", __func__, port->number); - return get_lsr_info(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); @@ -1452,10 +1441,6 @@ static int mos7720_ioctl(struct usb_serial_port *port, struct file *file, return get_serial_info(mos7720_port, (struct serial_struct __user *)arg); - case TIOCSSERIAL: - dbg("%s (%d) TIOCSSERIAL", __func__, port->number); - break; - case TIOCMIWAIT: dbg("%s (%d) TIOCMIWAIT", __func__, port->number); cprev = mos7720_port->icount; @@ -1469,7 +1454,7 @@ static int mos7720_ioctl(struct usb_serial_port *port, struct file *file, 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; @@ -1492,7 +1477,7 @@ static int mos7720_ioctl(struct usb_serial_port *port, struct file *file, 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; @@ -1543,7 +1528,8 @@ static int mos7720_startup(struct usb_serial *serial) /* 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); @@ -1555,13 +1541,15 @@ static int mos7720_startup(struct usb_serial *serial) /* 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; } @@ -1571,7 +1559,7 @@ static void mos7720_shutdown(struct usb_serial *serial) 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); } @@ -1651,8 +1639,8 @@ module_init(moschip7720_init); 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); |