diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 825 |
1 files changed, 418 insertions, 407 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index a371c41bb3a..2b1cfcbf8f9 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1,29 +1,29 @@ /* Keyspan USB to Serial Converter driver - + (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See http://misc.nu/hugh/keyspan.html for more information. - + Code in this driver inspired by and in a number of places taken from Brian Warner's original Keyspan-PDA driver. This driver has been put together with the support of Innosys, Inc. and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. Thanks Guys :) - + Thanks to Paulus for miscellaneous tidy ups, some largish chunks of much nicer and/or completely new code and (perhaps most uniquely) having the patience to sit down and explain why and where he'd changed - stuff. - - Tip 'o the hat to IBM (and previously Linuxcare :) for supporting + stuff. + + Tip 'o the hat to IBM (and previously Linuxcare :) for supporting staff in their work on open source projects. Change History @@ -70,21 +70,21 @@ Thu May 31 11:56:42 PDT 2001 gkh switched from using spinlock to a semaphore - + (04/08/2001) gb Identify version on module load. - + (11/01/2000) Adam J. Richter usb_device_id table support. - + Tue Oct 10 23:15:33 EST 2000 Hugh Merged Paul's changes with my USA-49W mods. Work in progress still... - + Wed Jul 19 14:00:42 EST 2000 gkh Added module_init and module_exit functions to handle the fact that this driver is a loadable module now. - + Tue Jul 18 16:14:52 EST 2000 Hugh Basic character input/output for USA-19 now mostly works, fixed at 9600 baud for the moment. @@ -107,7 +107,7 @@ #include <linux/spinlock.h> #include <linux/firmware.h> #include <linux/ihex.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> #include "keyspan.h" @@ -132,15 +132,15 @@ struct keyspan_serial_private { struct urb *instat_urb; char instat_buf[INSTAT_BUFLEN]; - /* added to support 49wg, where data from all 4 ports comes in on 1 EP */ - /* and high-speed supported */ + /* added to support 49wg, where data from all 4 ports comes in + on 1 EP and high-speed supported */ struct urb *indat_urb; char indat_buf[INDAT49W_BUFLEN]; /* XXX this one probably will need a lock */ struct urb *glocont_urb; char glocont_buf[GLOCONT_BUFLEN]; - char ctrl_buf[8]; // for EP0 control message + char ctrl_buf[8]; /* for EP0 control message */ }; struct keyspan_port_private { @@ -186,19 +186,19 @@ struct keyspan_port_private { int resend_cont; /* need to resend control packet */ }; - /* Include Keyspan message headers. All current Keyspan Adapters make use of one of five message formats which are referred - to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and within this driver. */ + to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and + within this driver. */ #include "keyspan_usa26msg.h" #include "keyspan_usa28msg.h" #include "keyspan_usa49msg.h" #include "keyspan_usa90msg.h" #include "keyspan_usa67msg.h" - + /* Functions used by new usb-serial code. */ -static int __init keyspan_init (void) +static int __init keyspan_init(void) { int retval; retval = usb_serial_register(&keyspan_pre_device); @@ -214,7 +214,7 @@ static int __init keyspan_init (void) if (retval) goto failed_4port_device_register; retval = usb_register(&keyspan_driver); - if (retval) + if (retval) goto failed_usb_register; info(DRIVER_VERSION ":" DRIVER_DESC); @@ -232,13 +232,13 @@ failed_pre_device_register: return retval; } -static void __exit keyspan_exit (void) +static void __exit keyspan_exit(void) { - usb_deregister (&keyspan_driver); - usb_serial_deregister (&keyspan_pre_device); - usb_serial_deregister (&keyspan_1port_device); - usb_serial_deregister (&keyspan_2port_device); - usb_serial_deregister (&keyspan_4port_device); + usb_deregister(&keyspan_driver); + usb_serial_deregister(&keyspan_pre_device); + usb_serial_deregister(&keyspan_1port_device); + usb_serial_deregister(&keyspan_2port_device); + usb_serial_deregister(&keyspan_4port_device); } module_init(keyspan_init); @@ -249,7 +249,7 @@ 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__); + dbg("%s", __func__); p_priv = usb_get_serial_port_data(port); @@ -262,7 +262,7 @@ static void keyspan_break_ctl(struct tty_struct *tty, int break_state) } -static void keyspan_set_termios (struct tty_struct *tty, +static void keyspan_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios) { int baud_rate, device_port; @@ -280,7 +280,7 @@ static void keyspan_set_termios (struct tty_struct *tty, /* 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, don't change */ + /* If no match or invalid, don't change */ if (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { /* FIXME - more to do here to ensure rate changes cleanly */ @@ -305,13 +305,13 @@ 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; - + value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | ((p_priv->cts_state) ? TIOCM_CTS : 0) | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | - ((p_priv->ri_state) ? TIOCM_RNG : 0); + ((p_priv->ri_state) ? TIOCM_RNG : 0); return value; } @@ -321,7 +321,7 @@ static int keyspan_tiocmset(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); - + if (set & TIOCM_RTS) p_priv->rts_state = 1; if (set & TIOCM_DTR) @@ -344,19 +344,19 @@ static int keyspan_write(struct tty_struct *tty, int flip; int left, todo; struct urb *this_urb; - int err, maxDataLen, dataOffset; + int err, maxDataLen, dataOffset; p_priv = usb_get_serial_port_data(port); d_details = p_priv->device_details; if (d_details->msg_format == msg_usa90) { - maxDataLen = 64; + maxDataLen = 64; dataOffset = 0; } else { maxDataLen = 63; dataOffset = 1; } - + dbg("%s - for port %d (%d chars), flip=%d", __func__, port->number, count, p_priv->out_flip); @@ -366,37 +366,40 @@ static int keyspan_write(struct tty_struct *tty, todo = maxDataLen; flip = p_priv->out_flip; - + /* Check we have a valid urb/endpoint before we use it... */ - if ((this_urb = p_priv->out_urbs[flip]) == NULL) { + this_urb = p_priv->out_urbs[flip]; + if (this_urb == NULL) { /* no bulk out, so return 0 bytes written */ dbg("%s - no output urb :(", __func__); return count; } - dbg("%s - endpoint %d flip %d", __func__, usb_pipeendpoint(this_urb->pipe), flip); + dbg("%s - endpoint %d flip %d", + __func__, usb_pipeendpoint(this_urb->pipe), flip); if (this_urb->status == -EINPROGRESS) { - if (time_before(jiffies, p_priv->tx_start_time[flip] + 10 * HZ)) + if (time_before(jiffies, + p_priv->tx_start_time[flip] + 10 * HZ)) break; usb_unlink_urb(this_urb); break; } - /* First byte in buffer is "last flag" (except for usa19hx) - unused so - for now so set to zero */ + /* First byte in buffer is "last flag" (except for usa19hx) + - unused so for now so set to zero */ ((char *)this_urb->transfer_buffer)[0] = 0; - memcpy (this_urb->transfer_buffer + dataOffset, buf, todo); + memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); buf += todo; /* send the data out the bulk port */ this_urb->transfer_buffer_length = todo + dataOffset; this_urb->dev = port->serial->dev; - if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) dbg("usb_submit_urb(write bulk) failed (%d)", err); - } p_priv->tx_start_time[flip] = jiffies; /* Flip for next time if usa26 or usa28 interface @@ -416,7 +419,7 @@ static void usa26_indat_callback(struct urb *urb) unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); endpoint = usb_pipeendpoint(urb->pipe); @@ -431,13 +434,14 @@ static void usa26_indat_callback(struct urb *urb) if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { - /* no errors on individual bytes, only possible overrun err*/ + /* no errors on individual bytes, only + possible overrun err */ if (data[0] & RXERROR_OVERRUN) - err = TTY_OVERRUN; - else err = 0; - for (i = 1; i < urb->actual_length ; ++i) { + err = TTY_OVERRUN; + else + err = 0; + for (i = 1; i < urb->actual_length ; ++i) tty_insert_flip_char(tty, data[i], err); - } } else { /* some bytes had errors, every byte has status */ dbg("%s - RX error!!!!", __func__); @@ -455,17 +459,19 @@ static void usa26_indat_callback(struct urb *urb) } tty_flip_buffer_push(tty); } - - /* Resubmit urb so we continue receiving */ + + /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->port.count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } + if (port->port.count) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dbg("%s - resubmit read urb failed. (%d)", + __func__, err); + } return; } - /* Outdat handling is common for all devices */ +/* Outdat handling is common for all devices */ static void usa2x_outdat_callback(struct urb *urb) { struct usb_serial_port *port; @@ -473,7 +479,7 @@ static void usa2x_outdat_callback(struct urb *urb) port = urb->context; p_priv = usb_get_serial_port_data(port); - dbg ("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); + dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); if (port->port.count) usb_serial_port_softint(port); @@ -481,8 +487,8 @@ static void usa2x_outdat_callback(struct urb *urb) static void usa26_inack_callback(struct urb *urb) { - dbg ("%s", __func__); - + dbg("%s", __func__); + } static void usa26_outcont_callback(struct urb *urb) @@ -494,8 +500,9 @@ static void usa26_outcont_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __func__); - keyspan_usa26_send_setup(port->serial, port, p_priv->resend_cont - 1); + dbg("%s - sending setup", __func__); + keyspan_usa26_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -531,14 +538,14 @@ static void usa26_instat_callback(struct urb *urb) /* Now do something useful with the data */ - /* Check port number from message and retrieve private data */ + /* Check port number from message and retrieve private data */ if (msg->port >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", __func__, msg->port); + dbg("%s - Unexpected port number %d", __func__, msg->port); goto exit; } port = serial->port[msg->port]; p_priv = usb_get_serial_port_data(port); - + /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); @@ -553,19 +560,18 @@ static void usa26_instat_callback(struct urb *urb) /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } - + /* Resubmit urb so we continue receiving */ urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } exit: ; } static void usa26_glocont_callback(struct urb *urb) { - dbg ("%s", __func__); - + dbg("%s", __func__); } @@ -578,7 +584,7 @@ static void usa28_indat_callback(struct urb *urb) struct keyspan_port_private *p_priv; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); port = urb->context; p_priv = usb_get_serial_port_data(port); @@ -600,18 +606,19 @@ static void usa28_indat_callback(struct urb *urb) tty = port->port.tty; if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { + for (i = 0; i < urb->actual_length ; ++i) tty_insert_flip_char(tty, data[i], 0); - } tty_flip_buffer_push(tty); } /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->port.count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } + if (port->port.count) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dbg("%s - resubmit read urb failed. (%d)", + __func__, err); + } p_priv->in_flip ^= 1; urb = p_priv->in_urbs[p_priv->in_flip]; @@ -620,7 +627,7 @@ static void usa28_indat_callback(struct urb *urb) static void usa28_inack_callback(struct urb *urb) { - dbg ("%s", __func__); + dbg("%s", __func__); } static void usa28_outcont_callback(struct urb *urb) @@ -632,8 +639,9 @@ static void usa28_outcont_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __func__); - keyspan_usa28_send_setup(port->serial, port, p_priv->resend_cont - 1); + dbg("%s - sending setup", __func__); + keyspan_usa28_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -663,19 +671,18 @@ static void usa28_instat_callback(struct urb *urb) /*dbg("%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__ data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7], data[8], data[9], data[10], data[11]);*/ - - /* Now do something useful with the data */ - msg = (struct keyspan_usa28_portStatusMessage *)data; + /* Now do something useful with the data */ + msg = (struct keyspan_usa28_portStatusMessage *)data; - /* Check port number from message and retrieve private data */ + /* Check port number from message and retrieve private data */ if (msg->port >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", __func__, msg->port); + dbg("%s - Unexpected port number %d", __func__, msg->port); goto exit; } port = serial->port[msg->port]; p_priv = usb_get_serial_port_data(port); - + /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; p_priv->cts_state = ((msg->cts) ? 1 : 0); @@ -693,15 +700,15 @@ static void usa28_instat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } exit: ; } static void usa28_glocont_callback(struct urb *urb) { - dbg ("%s", __func__); + dbg("%s", __func__); } @@ -712,7 +719,7 @@ static void usa49_glocont_callback(struct urb *urb) struct keyspan_port_private *p_priv; int i; - dbg ("%s", __func__); + dbg("%s", __func__); serial = urb->context; for (i = 0; i < serial->num_ports; ++i) { @@ -720,8 +727,9 @@ static void usa49_glocont_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __func__); - keyspan_usa49_send_setup(serial, port, p_priv->resend_cont - 1); + dbg("%s - sending setup", __func__); + keyspan_usa49_send_setup(serial, port, + p_priv->resend_cont - 1); break; } } @@ -740,7 +748,7 @@ static void usa49_instat_callback(struct urb *urb) int old_dcd_state; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); serial = urb->context; @@ -749,7 +757,8 @@ static void usa49_instat_callback(struct urb *urb) return; } - if (urb->actual_length != sizeof(struct keyspan_usa49_portStatusMessage)) { + if (urb->actual_length != + sizeof(struct keyspan_usa49_portStatusMessage)) { dbg("%s - bad length %d", __func__, urb->actual_length); goto exit; } @@ -757,18 +766,19 @@ static void usa49_instat_callback(struct urb *urb) /*dbg(" %x %x %x %x %x %x %x %x %x %x %x", __func__, data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7], data[8], data[9], data[10]);*/ - - /* Now do something useful with the data */ + + /* Now do something useful with the data */ msg = (struct keyspan_usa49_portStatusMessage *)data; - /* Check port number from message and retrieve private data */ + /* Check port number from message and retrieve private data */ if (msg->portNumber >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", __func__, msg->portNumber); + dbg("%s - Unexpected port number %d", + __func__, msg->portNumber); goto exit; } port = serial->port[msg->portNumber]; p_priv = usb_get_serial_port_data(port); - + /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; p_priv->cts_state = ((msg->cts) ? 1 : 0); @@ -784,18 +794,18 @@ static void usa49_instat_callback(struct urb *urb) /* wake_up_interruptible(&p_priv->open_wait); */ } - /* Resubmit urb so we continue receiving */ + /* Resubmit urb so we continue receiving */ urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } exit: ; } static void usa49_inack_callback(struct urb *urb) { - dbg ("%s", __func__); + dbg("%s", __func__); } static void usa49_indat_callback(struct urb *urb) @@ -807,7 +817,7 @@ static void usa49_indat_callback(struct urb *urb) unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); endpoint = usb_pipeendpoint(urb->pipe); @@ -823,9 +833,8 @@ static void usa49_indat_callback(struct urb *urb) /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { /* no error on any byte */ - for (i = 1; i < urb->actual_length ; ++i) { + for (i = 1; i < urb->actual_length ; ++i) tty_insert_flip_char(tty, data[i], 0); - } } else { /* some bytes had errors, every byte has status */ for (i = 0; i + 1 < urb->actual_length; i += 2) { @@ -842,13 +851,15 @@ static void usa49_indat_callback(struct urb *urb) } tty_flip_buffer_push(tty); } - - /* Resubmit urb so we continue receiving */ + + /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->port.count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } + if (port->port.count) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dbg("%s - resubmit read urb failed. (%d)", + __func__, err); + } } static void usa49wg_indat_callback(struct urb *urb) @@ -860,7 +871,7 @@ static void usa49wg_indat_callback(struct urb *urb) unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); serial = urb->context; @@ -878,7 +889,7 @@ static void usa49wg_indat_callback(struct urb *urb) /* Check port number from message*/ if (data[i] >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", + dbg("%s - Unexpected port number %d", __func__, data[i]); return; } @@ -931,7 +942,7 @@ static void usa49wg_indat_callback(struct urb *urb) /* not used, usa-49 doesn't have per-port control endpoints */ static void usa49_outcont_callback(struct urb *urb) { - dbg ("%s", __func__); + dbg("%s", __func__); } static void usa90_indat_callback(struct urb *urb) @@ -944,7 +955,7 @@ static void usa90_indat_callback(struct urb *urb) unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); endpoint = usb_pipeendpoint(urb->pipe); @@ -959,27 +970,25 @@ static void usa90_indat_callback(struct urb *urb) tty = port->port.tty; if (urb->actual_length) { - /* if current mode is DMA, looks like usa28 format - otherwise looks like usa26 data format */ + otherwise looks like usa26 data format */ if (p_priv->baud > 57600) { - for (i = 0; i < urb->actual_length ; ++i) + for (i = 0; i < urb->actual_length ; ++i) tty_insert_flip_char(tty, data[i], 0); - } - else { - + } else { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { - /* no errors on individual bytes, only possible overrun err*/ + /* no errors on individual bytes, only + possible overrun err*/ if (data[0] & RXERROR_OVERRUN) - err = TTY_OVERRUN; - else err = 0; - for (i = 1; i < urb->actual_length ; ++i) - tty_insert_flip_char(tty, data[i], err); - - } - else { + err = TTY_OVERRUN; + else + err = 0; + for (i = 1; i < urb->actual_length ; ++i) + tty_insert_flip_char(tty, data[i], + err); + } else { /* some bytes had errors, every byte has status */ dbg("%s - RX error!!!!", __func__); for (i = 0; i + 1 < urb->actual_length; i += 2) { @@ -991,19 +1000,22 @@ static void usa90_indat_callback(struct urb *urb) if (stat & RXERROR_PARITY) flag |= TTY_PARITY; /* XXX should handle break (0x10) */ - tty_insert_flip_char(tty, data[i+1], flag); + tty_insert_flip_char(tty, data[i+1], + flag); } } } tty_flip_buffer_push(tty); } - + /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; - if (port->port.count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } + if (port->port.count) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dbg("%s - resubmit read urb failed. (%d)", + __func__, err); + } return; } @@ -1035,7 +1047,7 @@ static void usa90_instat_callback(struct urb *urb) port = serial->port[0]; p_priv = usb_get_serial_port_data(port); - + /* Update handshaking pin state information */ old_dcd_state = p_priv->dcd_state; p_priv->cts_state = ((msg->cts) ? 1 : 0); @@ -1050,12 +1062,12 @@ static void usa90_instat_callback(struct urb *urb) /* else */ /* wake_up_interruptible(&p_priv->open_wait); */ } - + /* Resubmit urb so we continue receiving */ urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); - } exit: ; } @@ -1069,8 +1081,9 @@ static void usa90_outcont_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __func__); - keyspan_usa90_send_setup(port->serial, port, p_priv->resend_cont - 1); + dbg("%s - sending setup", __func__); + keyspan_usa90_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -1086,7 +1099,7 @@ static void usa67_instat_callback(struct urb *urb) int old_dcd_state; int status = urb->status; - dbg ("%s", __func__); + dbg("%s", __func__); serial = urb->context; @@ -1095,7 +1108,8 @@ static void usa67_instat_callback(struct urb *urb) return; } - if (urb->actual_length != sizeof(struct keyspan_usa67_portStatusMessage)) { + if (urb->actual_length != + sizeof(struct keyspan_usa67_portStatusMessage)) { dbg("%s - bad length %d", __func__, urb->actual_length); return; } @@ -1106,7 +1120,7 @@ static void usa67_instat_callback(struct urb *urb) /* Check port number from message and retrieve private data */ if (msg->port >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", __func__, msg->port); + dbg("%s - Unexpected port number %d", __func__, msg->port); return; } @@ -1140,7 +1154,7 @@ static void usa67_glocont_callback(struct urb *urb) struct keyspan_port_private *p_priv; int i; - dbg ("%s", __func__); + dbg("%s", __func__); serial = urb->context; for (i = 0; i < serial->num_ports; ++i) { @@ -1148,7 +1162,7 @@ static void usa67_glocont_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __func__); + dbg("%s - sending setup", __func__); keyspan_usa67_send_setup(serial, port, p_priv->resend_cont - 1); break; @@ -1171,20 +1185,23 @@ static int keyspan_write_room(struct tty_struct *tty) /* FIXME: locking */ if (d_details->msg_format == msg_usa90) - data_len = 64; + data_len = 64; else data_len = 63; flip = p_priv->out_flip; /* Check both endpoints to see if any are available. */ - if ((this_urb = p_priv->out_urbs[flip]) != NULL) { + this_urb = p_priv->out_urbs[flip]; + if (this_urb != NULL) { if (this_urb->status != -EINPROGRESS) - return (data_len); - flip = (flip + 1) & d_details->outdat_endp_flip; - if ((this_urb = p_priv->out_urbs[flip]) != NULL) + return data_len; + flip = (flip + 1) & d_details->outdat_endp_flip; + this_urb = p_priv->out_urbs[flip]; + if (this_urb != NULL) { if (this_urb->status != -EINPROGRESS) - return (data_len); + return data_len; + } } return 0; } @@ -1222,25 +1239,28 @@ static int keyspan_open(struct tty_struct *tty, /* Reset low level data toggle and start reading from endpoints */ for (i = 0; i < 2; i++) { - if ((urb = p_priv->in_urbs[i]) == NULL) + urb = p_priv->in_urbs[i]; + if (urb == NULL) continue; urb->dev = serial->dev; - /* make sure endpoint data toggle is synchronized with the device */ - + /* make sure endpoint data toggle is synchronized + with the device */ usb_clear_halt(urb->dev, urb->pipe); - - if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) { - dbg("%s - submit urb %d failed (%d)", __func__, i, err); - } + err = usb_submit_urb(urb, GFP_KERNEL); + if (err != 0) + dbg("%s - submit urb %d failed (%d)", + __func__, i, err); } /* Reset low level data toggle on out endpoints */ for (i = 0; i < 2; i++) { - if ((urb = p_priv->out_urbs[i]) == NULL) + urb = p_priv->out_urbs[i]; + if (urb == NULL) continue; urb->dev = serial->dev; - /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 0); */ + /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe), 0); */ } /* get the terminal config for the setup message now so we don't @@ -1264,8 +1284,8 @@ static int keyspan_open(struct tty_struct *tty, p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; keyspan_send_setup(port, 1); - //mdelay(100); - //keyspan_set_termios(port, NULL); + /* mdelay(100); */ + /* keyspan_set_termios(port, NULL); */ return 0; } @@ -1287,15 +1307,15 @@ static void keyspan_close(struct tty_struct *tty, dbg("%s", __func__); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); - + p_priv->rts_state = 0; p_priv->dtr_state = 0; - + if (serial->dev) { keyspan_send_setup(port, 2); /* pilot-xfer seems to work best with this delay */ mdelay(100); - // keyspan_set_termios(port, NULL); + /* keyspan_set_termios(port, NULL); */ } /*while (p_priv->outcont_urb->status == -EINPROGRESS) { @@ -1317,8 +1337,8 @@ static void keyspan_close(struct tty_struct *tty, port->port.tty = NULL; } - /* download the firmware to a pre-renumeration device */ -static int keyspan_fake_startup (struct usb_serial *serial) +/* download the firmware to a pre-renumeration device */ +static int keyspan_fake_startup(struct usb_serial *serial) { int response; const struct ihex_binrec *record; @@ -1328,10 +1348,11 @@ static int keyspan_fake_startup (struct usb_serial *serial) dbg("Keyspan startup version %04x product %04x", le16_to_cpu(serial->dev->descriptor.bcdDevice), le16_to_cpu(serial->dev->descriptor.idProduct)); - - if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) != 0x8000) { + + if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) + != 0x8000) { dbg("Firmware already loaded. Quitting."); - return(1); + return 1; } /* Select firmware image on the basis of idProduct */ @@ -1355,11 +1376,11 @@ static int keyspan_fake_startup (struct usb_serial *serial) case keyspan_usa19_pre_product_id: fw_name = "keyspan/usa19.fw"; break; - + case keyspan_usa19qi_pre_product_id: fw_name = "keyspan/usa19qi.fw"; break; - + case keyspan_mpr_pre_product_id: fw_name = "keyspan/mpr.fw"; break; @@ -1367,15 +1388,15 @@ static int keyspan_fake_startup (struct usb_serial *serial) case keyspan_usa19qw_pre_product_id: fw_name = "keyspan/usa19qw.fw"; break; - + case keyspan_usa18x_pre_product_id: fw_name = "keyspan/usa18x.fw"; break; - + case keyspan_usa19w_pre_product_id: fw_name = "keyspan/usa19w.fw"; break; - + case keyspan_usa49w_pre_product_id: fw_name = "keyspan/usa49w.fw"; break; @@ -1407,8 +1428,7 @@ static int keyspan_fake_startup (struct usb_serial *serial) (unsigned char *)record->data, be16_to_cpu(record->len), 0xa0); if (response < 0) { - dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan" - "firmware (%d %04X %p %d)\n", + dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan firmware (%d %04X %p %d)\n", response, be32_to_cpu(record->addr), record->data, be16_to_cpu(record->len)); break; @@ -1421,7 +1441,7 @@ static int keyspan_fake_startup (struct usb_serial *serial) response = ezusb_set_reset(serial, 0); /* we don't want this device to have a driver assigned to it. */ - return (1); + return 1; } /* Helper functions used by keyspan_setup_urbs */ @@ -1443,7 +1463,7 @@ static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *se return NULL; } -static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint, +static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, int dir, void *ctx, char *buf, int len, void (*callback)(struct urb *)) { @@ -1454,10 +1474,10 @@ static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint, if (endpoint == -1) return NULL; /* endpoint not needed */ - dbg ("%s - alloc for endpoint %d.", __func__, endpoint); + dbg("%s - alloc for endpoint %d.", __func__, endpoint); urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ if (urb == NULL) { - dbg ("%s - alloc for endpoint %d failed.", __func__, endpoint); + dbg("%s - alloc for endpoint %d failed.", __func__, endpoint); return NULL; } @@ -1530,7 +1550,7 @@ static struct callbacks { }, { /* msg_usa90 callbacks */ .instat_callback = usa90_instat_callback, - .glocont_callback = usa28_glocont_callback, + .glocont_callback = usa28_glocont_callback, .indat_callback = usa90_indat_callback, .outdat_callback = usa2x_outdat_callback, .inack_callback = usa28_inack_callback, @@ -1558,16 +1578,16 @@ static void keyspan_setup_urbs(struct usb_serial *serial) struct callbacks *cback; int endp; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); d_details = s_priv->device_details; - /* Setup values for the various callback routines */ + /* Setup values for the various callback routines */ cback = &keyspan_callbacks[d_details->msg_format]; - /* Allocate and set up urbs for each one that is in use, - starting with instat endpoints */ + /* Allocate and set up urbs for each one that is in use, + starting with instat endpoints */ s_priv->instat_urb = keyspan_setup_urb (serial, d_details->instat_endpoint, USB_DIR_IN, serial, s_priv->instat_buf, INSTAT_BUFLEN, @@ -1583,8 +1603,8 @@ static void keyspan_setup_urbs(struct usb_serial *serial) serial, s_priv->glocont_buf, GLOCONT_BUFLEN, cback->glocont_callback); - /* Setup endpoints for each port specific thing */ - for (i = 0; i < d_details->num_ports; i ++) { + /* Setup endpoints for each port specific thing */ + for (i = 0; i < d_details->num_ports; i++) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); @@ -1620,8 +1640,7 @@ static void keyspan_setup_urbs(struct usb_serial *serial) (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, port, p_priv->outcont_buffer, 64, cback->outcont_callback); - } - + } } /* usa19 function doesn't require prescaler */ @@ -1629,46 +1648,39 @@ static int keyspan_usa19_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, u8 *rate_low, u8 *prescaler, int portnum) { u32 b16, /* baud rate times 16 (actual rate used internally) */ - div, /* divisor */ + div, /* divisor */ cnt; /* inverse of divisor (programmed into 8051) */ - - dbg ("%s - %d.", __func__, baud_rate); - /* prevent divide by zero... */ - if( (b16 = (baud_rate * 16L)) == 0) { - return (KEYSPAN_INVALID_BAUD_RATE); - } - - /* Any "standard" rate over 57k6 is marginal on the USA-19 - as we run out of divisor resolution. */ - if (baud_rate > 57600) { - return (KEYSPAN_INVALID_BAUD_RATE); - } - - /* calculate the divisor and the counter (its inverse) */ - if( (div = (baudclk / b16)) == 0) { - return (KEYSPAN_INVALID_BAUD_RATE); - } - else { + dbg("%s - %d.", __func__, baud_rate); + + /* prevent divide by zero... */ + b16 = baud_rate * 16L; + if (b16 == 0) + return KEYSPAN_INVALID_BAUD_RATE; + /* Any "standard" rate over 57k6 is marginal on the USA-19 + as we run out of divisor resolution. */ + if (baud_rate > 57600) + return KEYSPAN_INVALID_BAUD_RATE; + + /* calculate the divisor and the counter (its inverse) */ + div = baudclk / b16; + if (div == 0) + return KEYSPAN_INVALID_BAUD_RATE; + else cnt = 0 - div; - } - if(div > 0xffff) { - return (KEYSPAN_INVALID_BAUD_RATE); - } + if (div > 0xffff) + return KEYSPAN_INVALID_BAUD_RATE; - /* return the counter values if non-null */ - if (rate_low) { + /* return the counter values if non-null */ + if (rate_low) *rate_low = (u8) (cnt & 0xff); - } - if (rate_hi) { + if (rate_hi) *rate_hi = (u8) ((cnt >> 8) & 0xff); - } - if (rate_low && rate_hi) { - dbg ("%s - %d %02x %02x.", __func__, baud_rate, *rate_hi, *rate_low); - } - - return (KEYSPAN_BAUD_RATE_OK); + if (rate_low && rate_hi) + dbg("%s - %d %02x %02x.", + __func__, baud_rate, *rate_hi, *rate_low); + return KEYSPAN_BAUD_RATE_OK; } /* usa19hs function doesn't require prescaler */ @@ -1676,34 +1688,35 @@ static int keyspan_usa19hs_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, u8 *rate_low, u8 *prescaler, int portnum) { u32 b16, /* baud rate times 16 (actual rate used internally) */ - div; /* divisor */ - - dbg ("%s - %d.", __func__, baud_rate); + div; /* divisor */ - /* prevent divide by zero... */ - if( (b16 = (baud_rate * 16L)) == 0) - return (KEYSPAN_INVALID_BAUD_RATE); - + dbg("%s - %d.", __func__, baud_rate); + /* prevent divide by zero... */ + b16 = baud_rate * 16L; + if (b16 == 0) + return KEYSPAN_INVALID_BAUD_RATE; - /* calculate the divisor */ - if( (div = (baudclk / b16)) == 0) - return (KEYSPAN_INVALID_BAUD_RATE); + /* calculate the divisor */ + div = baudclk / b16; + if (div == 0) + return KEYSPAN_INVALID_BAUD_RATE; - if(div > 0xffff) - return (KEYSPAN_INVALID_BAUD_RATE); + if (div > 0xffff) + return KEYSPAN_INVALID_BAUD_RATE; - /* return the counter values if non-null */ - if (rate_low) + /* return the counter values if non-null */ + if (rate_low) *rate_low = (u8) (div & 0xff); - - if (rate_hi) + + if (rate_hi) *rate_hi = (u8) ((div >> 8) & 0xff); - - if (rate_low && rate_hi) - dbg ("%s - %d %02x %02x.", __func__, baud_rate, *rate_hi, *rate_low); - - return (KEYSPAN_BAUD_RATE_OK); + + if (rate_low && rate_hi) + dbg("%s - %d %02x %02x.", + __func__, baud_rate, *rate_hi, *rate_low); + + return KEYSPAN_BAUD_RATE_OK; } static int keyspan_usa19w_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, @@ -1711,64 +1724,61 @@ static int keyspan_usa19w_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, { u32 b16, /* baud rate times 16 (actual rate used internally) */ clk, /* clock with 13/8 prescaler */ - div, /* divisor using 13/8 prescaler */ + div, /* divisor using 13/8 prescaler */ res, /* resulting baud rate using 13/8 prescaler */ diff, /* error using 13/8 prescaler */ smallest_diff; u8 best_prescaler; int i; - dbg ("%s - %d.", __func__, baud_rate); + dbg("%s - %d.", __func__, baud_rate); - /* prevent divide by zero */ - if( (b16 = baud_rate * 16L) == 0) { - return (KEYSPAN_INVALID_BAUD_RATE); - } + /* prevent divide by zero */ + b16 = baud_rate * 16L; + if (b16 == 0) + return KEYSPAN_INVALID_BAUD_RATE; - /* Calculate prescaler by trying them all and looking - for best fit */ - - /* start with largest possible difference */ + /* Calculate prescaler by trying them all and looking + for best fit */ + + /* start with largest possible difference */ smallest_diff = 0xffffffff; /* 0 is an invalid prescaler, used as a flag */ best_prescaler = 0; - for(i = 8; i <= 0xff; ++i) { + for (i = 8; i <= 0xff; ++i) { clk = (baudclk * 8) / (u32) i; - - if( (div = clk / b16) == 0) { + + div = clk / b16; + if (div == 0) continue; - } res = clk / div; - diff= (res > b16) ? (res-b16) : (b16-res); + diff = (res > b16) ? (res-b16) : (b16-res); - if(diff < smallest_diff) { + if (diff < smallest_diff) { best_prescaler = i; smallest_diff = diff; } } - if(best_prescaler == 0) { - return (KEYSPAN_INVALID_BAUD_RATE); - } + if (best_prescaler == 0) + return KEYSPAN_INVALID_BAUD_RATE; clk = (baudclk * 8) / (u32) best_prescaler; div = clk / b16; - /* return the divisor and prescaler if non-null */ - if (rate_low) { + /* return the divisor and prescaler if non-null */ + if (rate_low) *rate_low = (u8) (div & 0xff); - } - if (rate_hi) { + if (rate_hi) *rate_hi = (u8) ((div >> 8) & 0xff); - } if (prescaler) { *prescaler = best_prescaler; /* dbg("%s - %d %d", __func__, *prescaler, div); */ } - return (KEYSPAN_BAUD_RATE_OK); + return KEYSPAN_BAUD_RATE_OK; } /* USA-28 supports different maximum baud rates on each port */ @@ -1776,57 +1786,51 @@ static int keyspan_usa28_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, u8 *rate_low, u8 *prescaler, int portnum) { u32 b16, /* baud rate times 16 (actual rate used internally) */ - div, /* divisor */ + div, /* divisor */ cnt; /* inverse of divisor (programmed into 8051) */ - dbg ("%s - %d.", __func__, baud_rate); + dbg("%s - %d.", __func__, baud_rate); /* prevent divide by zero */ - if ((b16 = baud_rate * 16L) == 0) - return (KEYSPAN_INVALID_BAUD_RATE); - - /* calculate the divisor and the counter (its inverse) */ - if ((div = (KEYSPAN_USA28_BAUDCLK / b16)) == 0) { - return (KEYSPAN_INVALID_BAUD_RATE); - } - else { + b16 = baud_rate * 16L; + if (b16 == 0) + return KEYSPAN_INVALID_BAUD_RATE; + + /* calculate the divisor and the counter (its inverse) */ + div = KEYSPAN_USA28_BAUDCLK / b16; + if (div == 0) + return KEYSPAN_INVALID_BAUD_RATE; + else cnt = 0 - div; - } - /* check for out of range, based on portnum, - and return result */ - if(portnum == 0) { - if(div > 0xffff) - return (KEYSPAN_INVALID_BAUD_RATE); - } - else { - if(portnum == 1) { - if(div > 0xff) { - return (KEYSPAN_INVALID_BAUD_RATE); - } - } - else { - return (KEYSPAN_INVALID_BAUD_RATE); - } + /* check for out of range, based on portnum, + and return result */ + if (portnum == 0) { + if (div > 0xffff) + return KEYSPAN_INVALID_BAUD_RATE; + } else { + if (portnum == 1) { + if (div > 0xff) + return KEYSPAN_INVALID_BAUD_RATE; + } else + return KEYSPAN_INVALID_BAUD_RATE; } /* return the counter values if not NULL (port 1 will ignore retHi) */ - if (rate_low) { + if (rate_low) *rate_low = (u8) (cnt & 0xff); - } - if (rate_hi) { + if (rate_hi) *rate_hi = (u8) ((cnt >> 8) & 0xff); - } - dbg ("%s - %d OK.", __func__, baud_rate); - return (KEYSPAN_BAUD_RATE_OK); + dbg("%s - %d OK.", __func__, baud_rate); + return KEYSPAN_BAUD_RATE_OK; } static int keyspan_usa26_send_setup(struct usb_serial *serial, struct usb_serial_port *port, int reset_port) { - struct keyspan_usa26_portControlMessage msg; + struct keyspan_usa26_portControlMessage msg; struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; @@ -1834,7 +1838,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, struct urb *this_urb; int device_port, err; - dbg ("%s reset=%d", __func__, reset_port); + dbg("%s reset=%d", __func__, reset_port); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); @@ -1857,22 +1861,22 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - /* dbg ("%s - already writing", __func__); */ + /* dbg("%s - already writing", __func__); */ mdelay(5); - return(-1); + return -1; } - memset(&msg, 0, sizeof (struct keyspan_usa26_portControlMessage)); - - /* Only set baud rate if it's changed */ + memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); + + /* Only set baud rate if it's changed */ if (p_priv->old_baud != p_priv->baud) { p_priv->old_baud = p_priv->baud; msg.setClocking = 0xff; if (d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, &msg.baudHi, - &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { - dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, - p_priv->baud); + &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dbg("%s - Invalid baud rate %d requested, using 9600.", + __func__, p_priv->baud); msg.baudLo = 0; msg.baudHi = 125; /* Values for 9600 baud */ msg.prescaler = 10; @@ -1898,7 +1902,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, if (p_priv->cflag & PARENB) { /* note USA_PARITY_NONE == 0 */ msg.lcr |= (p_priv->cflag & PARODD)? - USA_PARITY_ODD: USA_PARITY_EVEN; + USA_PARITY_ODD : USA_PARITY_EVEN; } msg.setLcr = 0xff; @@ -1939,7 +1943,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, /* Sending intermediate configs */ else { - msg._txOn = (! p_priv->break_on); + msg._txOn = (!p_priv->break_on); msg._txOff = 0; msg.txFlush = 0; msg.txBreak = (p_priv->break_on); @@ -1951,23 +1955,23 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, msg.resetDataToggle = 0x0; } - /* Do handshaking outputs */ + /* Do handshaking outputs */ msg.setTxTriState_setRts = 0xff; msg.txTriState_rts = p_priv->rts_state; msg.setHskoa_setDtr = 0xff; msg.hskoa_dtr = p_priv->dtr_state; - + p_priv->resend_cont = 0; - memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); - + memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); + /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); this_urb->dev = serial->dev; - if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); - } #if 0 else { dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__ @@ -1983,14 +1987,14 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, struct usb_serial_port *port, int reset_port) { - struct keyspan_usa28_portControlMessage msg; + struct keyspan_usa28_portControlMessage msg; struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; struct urb *this_urb; int device_port, err; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); @@ -1998,7 +2002,8 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, device_port = port->number - port->serial->minor; /* only do something if we have a bulk out endpoint */ - if ((this_urb = p_priv->outcont_urb) == NULL) { + this_urb = p_priv->outcont_urb; + if (this_urb == NULL) { dbg("%s - oops no urb.", __func__); return -1; } @@ -2008,17 +2013,18 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - dbg ("%s already writing", __func__); + dbg("%s already writing", __func__); mdelay(5); - return(-1); + return -1; } - memset(&msg, 0, sizeof (struct keyspan_usa28_portControlMessage)); + memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); msg.setBaudRate = 1; if (d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, - &msg.baudHi, &msg.baudLo, NULL, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { - dbg("%s - Invalid baud rate requested %d.", __func__, p_priv->baud); + &msg.baudHi, &msg.baudLo, NULL, device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dbg("%s - Invalid baud rate requested %d.", + __func__, p_priv->baud); msg.baudLo = 0xff; msg.baudHi = 0xb2; /* Values for 9600 baud */ } @@ -2029,7 +2035,7 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, msg.ctsFlowControl = (p_priv->flow_control == flow_cts); msg.xonFlowControl = 0; - /* Do handshaking outputs, DTR is inverted relative to RTS */ + /* Do handshaking outputs, DTR is inverted relative to RTS */ msg.rts = p_priv->rts_state; msg.dtr = p_priv->dtr_state; @@ -2071,7 +2077,7 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, } /* Sending intermediate configs */ else { - msg._txOn = (! p_priv->break_on); + msg._txOn = (!p_priv->break_on); msg._txOff = 0; msg.txFlush = 0; msg.txForceXoff = 0; @@ -2085,15 +2091,15 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, } p_priv->resend_cont = 0; - memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); + memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); this_urb->dev = serial->dev; - if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) dbg("%s - usb_submit_urb(setup) failed", __func__); - } #if 0 else { dbg("%s - usb_submit_urb(setup) OK %d bytes", __func__, @@ -2116,7 +2122,7 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, struct urb *this_urb; int err, device_port; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); @@ -2127,7 +2133,9 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, /* Work out which port within the device is being setup */ device_port = port->number - port->serial->minor; - dbg("%s - endpoint %d port %d (%d)",__func__, usb_pipeendpoint(this_urb->pipe), port->number, device_port); + dbg("%s - endpoint %d port %d (%d)", + __func__, usb_pipeendpoint(this_urb->pipe), + port->number, device_port); /* Make sure we have an urb then send the message */ if (this_urb == NULL) { @@ -2141,30 +2149,30 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - /* dbg ("%s - already writing", __func__); */ + /* dbg("%s - already writing", __func__); */ mdelay(5); - return(-1); + return -1; } - memset(&msg, 0, sizeof (struct keyspan_usa49_portControlMessage)); + memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); /*msg.portNumber = port->number;*/ msg.portNumber = device_port; - - /* Only set baud rate if it's changed */ + + /* Only set baud rate if it's changed */ if (p_priv->old_baud != p_priv->baud) { p_priv->old_baud = p_priv->baud; msg.setClocking = 0xff; if (d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, &msg.baudHi, - &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { - dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, - p_priv->baud); + &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dbg("%s - Invalid baud rate %d requested, using 9600.", + __func__, p_priv->baud); msg.baudLo = 0; msg.baudHi = 125; /* Values for 9600 baud */ msg.prescaler = 10; } - //msg.setPrescaler = 0xff; + /* msg.setPrescaler = 0xff; */ } msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; @@ -2185,19 +2193,19 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, if (p_priv->cflag & PARENB) { /* note USA_PARITY_NONE == 0 */ msg.lcr |= (p_priv->cflag & PARODD)? - USA_PARITY_ODD: USA_PARITY_EVEN; + USA_PARITY_ODD : USA_PARITY_EVEN; } msg.setLcr = 0xff; msg.ctsFlowControl = (p_priv->flow_control == flow_cts); msg.xonFlowControl = 0; msg.setFlowControl = 0xff; - + msg.forwardingLength = 16; msg.xonChar = 17; msg.xoffChar = 19; - /* Opening port */ + /* Opening port */ if (reset_port == 1) { msg._txOn = 1; msg._txOff = 0; @@ -2229,7 +2237,7 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, } /* Sending intermediate configs */ else { - msg._txOn = (! p_priv->break_on); + msg._txOn = (!p_priv->break_on); msg._txOff = 0; msg.txFlush = 0; msg.txBreak = (p_priv->break_on); @@ -2243,16 +2251,17 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, msg.disablePort = 0; } - /* Do handshaking outputs */ + /* Do handshaking outputs */ msg.setRts = 0xff; msg.rts = p_priv->rts_state; msg.setDtr = 0xff; msg.dtr = p_priv->dtr_state; - + p_priv->resend_cont = 0; - /* if the device is a 49wg, we send control message on usb control EP 0 */ + /* if the device is a 49wg, we send control message on usb + control EP 0 */ if (d_details->product_id == keyspan_usa49wg_product_id) { dr = (void *)(s_priv->ctrl_buf); @@ -2262,23 +2271,24 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, dr->wIndex = 0; dr->wLength = cpu_to_le16(sizeof(msg)); - memcpy (s_priv->glocont_buf, &msg, sizeof(msg)); + memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); - usb_fill_control_urb(this_urb, serial->dev, usb_sndctrlpipe(serial->dev, 0), - (unsigned char *)dr, s_priv->glocont_buf, sizeof(msg), - usa49_glocont_callback, serial); + usb_fill_control_urb(this_urb, serial->dev, + usb_sndctrlpipe(serial->dev, 0), + (unsigned char *)dr, s_priv->glocont_buf, + sizeof(msg), usa49_glocont_callback, serial); } else { memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); - + /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); this_urb->dev = serial->dev; } - if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); - } #if 0 else { dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__, @@ -2294,7 +2304,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, struct usb_serial_port *port, int reset_port) { - struct keyspan_usa90_portControlMessage msg; + struct keyspan_usa90_portControlMessage msg; struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; @@ -2302,14 +2312,15 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, int err; u8 prescaler; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); d_details = s_priv->device_details; /* only do something if we have a bulk out endpoint */ - if ((this_urb = p_priv->outcont_urb) == NULL) { + this_urb = p_priv->outcont_urb; + if (this_urb == NULL) { dbg("%s - oops no urb.", __func__); return -1; } @@ -2319,24 +2330,24 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - dbg ("%s already writing", __func__); + dbg("%s already writing", __func__); mdelay(5); - return(-1); + return -1; } - memset(&msg, 0, sizeof (struct keyspan_usa90_portControlMessage)); + memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); - /* Only set baud rate if it's changed */ + /* Only set baud rate if it's changed */ if (p_priv->old_baud != p_priv->baud) { p_priv->old_baud = p_priv->baud; msg.setClocking = 0x01; if (d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, &msg.baudHi, - &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE ) { - dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, - p_priv->baud); + &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { + dbg("%s - Invalid baud rate %d requested, using 9600.", + __func__, p_priv->baud); p_priv->baud = 9600; - d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, + d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, &msg.baudHi, &msg.baudLo, &prescaler, 0); } msg.setRxMode = 1; @@ -2344,13 +2355,10 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, } /* modes must always be correctly specified */ - if (p_priv->baud > 57600) - { + if (p_priv->baud > 57600) { msg.rxMode = RXMODE_DMA; msg.txMode = TXMODE_DMA; - } - else - { + } else { msg.rxMode = RXMODE_BYHAND; msg.txMode = TXMODE_BYHAND; } @@ -2373,7 +2381,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, if (p_priv->cflag & PARENB) { /* note USA_PARITY_NONE == 0 */ msg.lcr |= (p_priv->cflag & PARODD)? - USA_PARITY_ODD: USA_PARITY_EVEN; + USA_PARITY_ODD : USA_PARITY_EVEN; } if (p_priv->old_cflag != p_priv->cflag) { p_priv->old_cflag = p_priv->cflag; @@ -2384,23 +2392,22 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, msg.txFlowControl = TXFLOW_CTS; msg.setTxFlowControl = 0x01; msg.setRxFlowControl = 0x01; - + msg.rxForwardingLength = 16; - msg.rxForwardingTimeout = 16; + msg.rxForwardingTimeout = 16; msg.txAckSetting = 0; msg.xonChar = 17; msg.xoffChar = 19; - /* Opening port */ + /* Opening port */ if (reset_port == 1) { msg.portEnabled = 1; msg.rxFlush = 1; msg.txBreak = (p_priv->break_on); } /* Closing port */ - else if (reset_port == 2) { + else if (reset_port == 2) msg.portEnabled = 0; - } /* Sending intermediate configs */ else { if (port->port.count) @@ -2408,23 +2415,23 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, msg.txBreak = (p_priv->break_on); } - /* Do handshaking outputs */ + /* Do handshaking outputs */ msg.setRts = 0x01; msg.rts = p_priv->rts_state; msg.setDtr = 0x01; msg.dtr = p_priv->dtr_state; - + p_priv->resend_cont = 0; - memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); - + memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); + /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); this_urb->dev = serial->dev; - if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); - } return 0; } @@ -2439,7 +2446,7 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, struct urb *this_urb; int err, device_port; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); @@ -2462,9 +2469,9 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - /* dbg ("%s - already writing", __func__); */ + /* dbg("%s - already writing", __func__); */ mdelay(5); - return(-1); + return -1; } memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); @@ -2477,9 +2484,9 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, msg.setClocking = 0xff; if (d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, &msg.baudHi, - &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { - dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, - p_priv->baud); + &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dbg("%s - Invalid baud rate %d requested, using 9600.", + __func__, p_priv->baud); msg.baudLo = 0; msg.baudHi = 125; /* Values for 9600 baud */ msg.prescaler = 10; @@ -2505,7 +2512,7 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, if (p_priv->cflag & PARENB) { /* note USA_PARITY_NONE == 0 */ msg.lcr |= (p_priv->cflag & PARODD)? - USA_PARITY_ODD: USA_PARITY_EVEN; + USA_PARITY_ODD : USA_PARITY_EVEN; } msg.setLcr = 0xff; @@ -2542,7 +2549,7 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, msg.resetDataToggle = 0; } else { /* Sending intermediate configs */ - msg._txOn = (! p_priv->break_on); + msg._txOn = (!p_priv->break_on); msg._txOff = 0; msg.txFlush = 0; msg.txBreak = (p_priv->break_on); @@ -2582,7 +2589,7 @@ static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) struct keyspan_serial_private *s_priv; const struct keyspan_device_details *d_details; - dbg ("%s", __func__); + dbg("%s", __func__); s_priv = usb_get_serial_data(serial); d_details = s_priv->device_details; @@ -2609,7 +2616,7 @@ static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) /* Gets called by the "real" driver (ie once firmware is loaded and renumeration has taken place. */ -static int keyspan_startup (struct usb_serial *serial) +static int keyspan_startup(struct usb_serial *serial) { int i, err; struct usb_serial_port *port; @@ -2620,17 +2627,20 @@ static int keyspan_startup (struct usb_serial *serial) dbg("%s", __func__); for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) - if (d_details->product_id == le16_to_cpu(serial->dev->descriptor.idProduct)) + if (d_details->product_id == + le16_to_cpu(serial->dev->descriptor.idProduct)) break; if (d_details == NULL) { - dev_err(&serial->dev->dev, "%s - unknown product id %x\n", __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); + dev_err(&serial->dev->dev, "%s - unknown product id %x\n", + __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); return 1; } /* Setup private data for serial driver */ s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); if (!s_priv) { - dbg("%s - kmalloc for keyspan_serial_private failed.", __func__); + dbg("%s - kmalloc for keyspan_serial_private failed.", + __func__); return -ENOMEM; } @@ -2640,10 +2650,11 @@ static int keyspan_startup (struct usb_serial *serial) /* Now setup per port private data */ for (i = 0; i < serial->num_ports; i++) { port = serial->port[i]; - p_priv = kzalloc(sizeof(struct keyspan_port_private), GFP_KERNEL); + p_priv = kzalloc(sizeof(struct keyspan_port_private), + GFP_KERNEL); if (!p_priv) { dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __func__, i); - return (1); + return 1; } p_priv->device_details = d_details; usb_set_serial_port_data(port, p_priv); @@ -2665,11 +2676,11 @@ static int keyspan_startup (struct usb_serial *serial) dbg("%s - submit indat urb failed %d", __func__, err); } - + return 0; } -static void keyspan_shutdown (struct usb_serial *serial) +static void keyspan_shutdown(struct usb_serial *serial) { int i, j; struct usb_serial_port *port; @@ -2721,8 +2732,8 @@ static void keyspan_shutdown (struct usb_serial *serial) } } -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); MODULE_FIRMWARE("keyspan/usa28.fw"); |