diff options
Diffstat (limited to 'drivers/usb/serial/keyspan.c')
-rw-r--r-- | drivers/usb/serial/keyspan.c | 138 |
1 files changed, 57 insertions, 81 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 11e439b90ea..a371c41bb3a 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -244,20 +244,9 @@ static void __exit keyspan_exit (void) module_init(keyspan_init); module_exit(keyspan_exit); -static void keyspan_rx_throttle (struct usb_serial_port *port) -{ - dbg("%s - port %d", __func__, port->number); -} - - -static void keyspan_rx_unthrottle (struct usb_serial_port *port) -{ - dbg("%s - port %d", __func__, port->number); -} - - -static void keyspan_break_ctl (struct usb_serial_port *port, int break_state) +static void keyspan_break_ctl(struct tty_struct *tty, int break_state) { + struct usb_serial_port *port = tty->driver_data; struct keyspan_port_private *p_priv; dbg("%s", __func__); @@ -273,14 +262,13 @@ static void keyspan_break_ctl (struct usb_serial_port *port, int break_state) } -static void keyspan_set_termios (struct usb_serial_port *port, - struct ktermios *old_termios) +static void keyspan_set_termios (struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) { int baud_rate, device_port; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; unsigned int cflag; - struct tty_struct *tty = port->tty; dbg("%s", __func__); @@ -312,12 +300,11 @@ static void keyspan_set_termios (struct usb_serial_port *port, keyspan_send_setup(port, 0); } -static int keyspan_tiocmget(struct usb_serial_port *port, struct file *file) +static int keyspan_tiocmget(struct tty_struct *tty, struct file *file) { + struct usb_serial_port *port = tty->driver_data; + struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); unsigned int value; - struct keyspan_port_private *p_priv; - - p_priv = usb_get_serial_port_data(port); value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | @@ -329,18 +316,16 @@ static int keyspan_tiocmget(struct usb_serial_port *port, struct file *file) return value; } -static int keyspan_tiocmset(struct usb_serial_port *port, struct file *file, +static int keyspan_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - struct keyspan_port_private *p_priv; - - p_priv = usb_get_serial_port_data(port); + struct usb_serial_port *port = tty->driver_data; + struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); if (set & TIOCM_RTS) p_priv->rts_state = 1; if (set & TIOCM_DTR) p_priv->dtr_state = 1; - if (clear & TIOCM_RTS) p_priv->rts_state = 0; if (clear & TIOCM_DTR) @@ -349,16 +334,10 @@ static int keyspan_tiocmset(struct usb_serial_port *port, struct file *file, return 0; } -static int keyspan_ioctl(struct usb_serial_port *port, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return -ENOIOCTLCMD; -} - - /* Write function is similar for the four protocols used - with only a minor change for usa90 (usa19hs) required */ -static int keyspan_write(struct usb_serial_port *port, - const unsigned char *buf, int count) +/* Write function is similar for the four protocols used + with only a minor change for usa90 (usa19hs) required */ +static int keyspan_write(struct tty_struct *tty, + struct usb_serial_port *port, const unsigned char *buf, int count) { struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; @@ -448,7 +427,7 @@ static void usa26_indat_callback(struct urb *urb) } port = urb->context; - tty = port->tty; + tty = port->port.tty; if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { @@ -479,7 +458,7 @@ static void usa26_indat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->open_count) + if (port->port.count) if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { dbg("%s - resubmit read urb failed. (%d)", __func__, err); } @@ -496,7 +475,7 @@ static void usa2x_outdat_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); dbg ("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); - if (port->open_count) + if (port->port.count) usb_serial_port_softint(port); } @@ -567,10 +546,10 @@ static void usa26_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state != p_priv->dcd_state) { if (old_dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } @@ -619,7 +598,7 @@ static void usa28_indat_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); data = urb->transfer_buffer; - tty = port->tty; + tty = port->port.tty; if (urb->actual_length) { for (i = 0; i < urb->actual_length ; ++i) { tty_insert_flip_char(tty, data[i], 0); @@ -629,7 +608,7 @@ static void usa28_indat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->open_count) + if (port->port.count) if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { dbg("%s - resubmit read urb failed. (%d)", __func__, err); } @@ -704,10 +683,10 @@ static void usa28_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state != p_priv->dcd_state) { if (old_dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } @@ -797,10 +776,10 @@ static void usa49_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state != p_priv->dcd_state) { if (old_dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } @@ -839,7 +818,7 @@ static void usa49_indat_callback(struct urb *urb) } port = urb->context; - tty = port->tty; + tty = port->port.tty; if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { @@ -866,7 +845,7 @@ static void usa49_indat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->open_count) + if (port->port.count) if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { dbg("%s - resubmit read urb failed. (%d)", __func__, err); } @@ -904,7 +883,7 @@ static void usa49wg_indat_callback(struct urb *urb) return; } port = serial->port[data[i++]]; - tty = port->tty; + tty = port->port.tty; len = data[i++]; /* 0x80 bit is error flag */ @@ -912,7 +891,7 @@ static void usa49wg_indat_callback(struct urb *urb) /* no error on any byte */ i++; for (x = 1; x < len ; ++x) - if (port->open_count) + if (port->port.count) tty_insert_flip_char(tty, data[i++], 0); else @@ -930,13 +909,13 @@ static void usa49wg_indat_callback(struct urb *urb) if (stat & RXERROR_PARITY) flag |= TTY_PARITY; /* XXX should handle break (0x10) */ - if (port->open_count) + if (port->port.count) tty_insert_flip_char(tty, data[i+1], flag); i += 2; } } - if (port->open_count) + if (port->port.count) tty_flip_buffer_push(tty); } } @@ -978,7 +957,7 @@ static void usa90_indat_callback(struct urb *urb) port = urb->context; p_priv = usb_get_serial_port_data(port); - tty = port->tty; + tty = port->port.tty; if (urb->actual_length) { /* if current mode is DMA, looks like usa28 format @@ -1021,7 +1000,7 @@ static void usa90_indat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->open_count) + if (port->port.count) if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { dbg("%s - resubmit read urb failed. (%d)", __func__, err); } @@ -1064,10 +1043,10 @@ static void usa90_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state != p_priv->dcd_state) { if (old_dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } @@ -1139,10 +1118,10 @@ static void usa67_instat_callback(struct urb *urb) p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state != p_priv->dcd_state) { if (old_dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } @@ -1177,8 +1156,9 @@ static void usa67_glocont_callback(struct urb *urb) } } -static int keyspan_write_room (struct usb_serial_port *port) +static int keyspan_write_room(struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; int flip; @@ -1210,13 +1190,8 @@ static int keyspan_write_room (struct usb_serial_port *port) } -static int keyspan_chars_in_buffer (struct usb_serial_port *port) -{ - return 0; -} - - -static int keyspan_open (struct usb_serial_port *port, struct file *filp) +static int keyspan_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { struct keyspan_port_private *p_priv; struct keyspan_serial_private *s_priv; @@ -1225,7 +1200,7 @@ static int keyspan_open (struct usb_serial_port *port, struct file *filp) int i, err; int baud_rate, device_port; struct urb *urb; - unsigned int cflag; + unsigned int cflag = 0; s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); @@ -1271,19 +1246,19 @@ static int keyspan_open (struct usb_serial_port *port, struct file *filp) /* get the terminal config for the setup message now so we don't * need to send 2 of them */ - cflag = port->tty->termios->c_cflag; device_port = port->number - port->serial->minor; - - /* Baud rate calculation takes baud rate as an integer - so other rates can be generated if desired. */ - baud_rate = tty_get_baud_rate(port->tty); - /* If no match or invalid, leave as default */ - if (baud_rate >= 0 - && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, - NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { - p_priv->baud = baud_rate; + if (tty) { + cflag = tty->termios->c_cflag; + /* Baud rate calculation takes baud rate as an integer + so other rates can be generated if desired. */ + baud_rate = tty_get_baud_rate(tty); + /* If no match or invalid, leave as default */ + if (baud_rate >= 0 + && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, + NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { + p_priv->baud = baud_rate; + } } - /* set CTS/RTS handshake etc. */ p_priv->cflag = cflag; p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; @@ -1301,7 +1276,8 @@ static inline void stop_urb(struct urb *urb) usb_kill_urb(urb); } -static void keyspan_close(struct usb_serial_port *port, struct file *filp) +static void keyspan_close(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { int i; struct usb_serial *serial = port->serial; @@ -1338,7 +1314,7 @@ static void keyspan_close(struct usb_serial_port *port, struct file *filp) stop_urb(p_priv->out_urbs[i]); } } - port->tty = NULL; + port->port.tty = NULL; } /* download the firmware to a pre-renumeration device */ @@ -2427,7 +2403,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, } /* Sending intermediate configs */ else { - if (port->open_count) + if (port->port.count) msg.portEnabled = 1; msg.txBreak = (p_priv->break_on); } |