diff options
Diffstat (limited to 'drivers/usb/serial/keyspan.c')
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 1838 |
1 files changed, 791 insertions, 1047 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index ea7bba69f4d..93cb7cebda6 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1,144 +1,75 @@ /* 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. - + See http://blemings.org/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 - staff in their work on open source projects. + stuff. - Change History - - 2003sep04 LPM (Keyspan) add support for new single port product USA19HS. - Improve setup message handling for all devices. - - Wed Feb 19 22:00:00 PST 2003 (Jeffrey S. Laing <keyspan@jsl.com>) - Merged the current (1/31/03) Keyspan code with the current (2.4.21-pre4) - Linux source tree. The Linux tree lacked support for the 49WLC and - others. The Keyspan patches didn't work with the current kernel. - - 2003jan30 LPM add support for the 49WLC and MPR - - Wed Apr 25 12:00:00 PST 2002 (Keyspan) - Started with Hugh Blemings' code dated Jan 17, 2002. All adapters - now supported (including QI and QW). Modified port open, port - close, and send setup() logic to fix various data and endpoint - synchronization bugs and device LED status bugs. Changed keyspan_ - write_room() to accurately return transmit buffer availability. - Changed forwardingLength from 1 to 16 for all adapters. - - Fri Oct 12 16:45:00 EST 2001 - Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) - - Wed Apr 25 12:00:00 PST 2002 (Keyspan) - Started with Hugh Blemings' code dated Jan 17, 2002. All adapters - now supported (including QI and QW). Modified port open, port - close, and send setup() logic to fix various data and endpoint - synchronization bugs and device LED status bugs. Changed keyspan_ - write_room() to accurately return transmit buffer availability. - Changed forwardingLength from 1 to 16 for all adapters. - - Fri Oct 12 16:45:00 EST 2001 - Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) - - Mon Oct 8 14:29:00 EST 2001 hugh - Fixed bug that prevented mulitport devices operating correctly - if they weren't the first unit attached. - - Sat Oct 6 12:31:21 EST 2001 hugh - Added support for USA-28XA and -28XB, misc cleanups, break support - for usa26 based models thanks to David Gibson. - - 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. - - Sat Jul 8 11:11:48 EST 2000 Hugh - First public release - nothing works except the firmware upload. - Tested on PPC and x86 architectures, seems to behave... + Tip 'o the hat to IBM (and previously Linuxcare :) for supporting + staff in their work on open source projects. */ #include <linux/kernel.h> #include <linux/jiffies.h> #include <linux/errno.h> -#include <linux/init.h> #include <linux/slab.h> #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> #include <linux/spinlock.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> +#include <linux/usb/ezusb.h> #include "keyspan.h" -static int debug; - -/* - * Version Information - */ -#define DRIVER_VERSION "v1.1.5" #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" #define INSTAT_BUFLEN 32 #define GLOCONT_BUFLEN 64 #define INDAT49W_BUFLEN 512 +#define IN_BUFLEN 64 +#define OUT_BUFLEN 64 +#define INACK_BUFLEN 1 +#define OUTCONT_BUFLEN 64 /* Per device and per port private data */ struct keyspan_serial_private { const struct keyspan_device_details *device_details; struct urb *instat_urb; - char instat_buf[INSTAT_BUFLEN]; + char *instat_buf; - /* 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]; + char *indat_buf; /* 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 *glocont_buf; + char *ctrl_buf; /* for EP0 control message */ }; struct keyspan_port_private { @@ -153,18 +84,18 @@ struct keyspan_port_private { /* Input endpoints and buffer for this port */ struct urb *in_urbs[2]; - char in_buffer[2][64]; + char *in_buffer[2]; /* Output endpoints and buffer for this port */ struct urb *out_urbs[2]; - char out_buffer[2][64]; + char *out_buffer[2]; /* Input ack endpoint */ struct urb *inack_urb; - char inack_buffer[1]; + char *inack_buffer; /* Output control endpoint */ struct urb *outcont_urb; - char outcont_buffer[64]; + char *outcont_buffer; /* Settings for the port */ int baud; @@ -184,82 +115,24 @@ 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) -{ - int retval; - retval = usb_serial_register(&keyspan_pre_device); - if (retval) - goto failed_pre_device_register; - retval = usb_serial_register(&keyspan_1port_device); - if (retval) - goto failed_1port_device_register; - retval = usb_serial_register(&keyspan_2port_device); - if (retval) - goto failed_2port_device_register; - retval = usb_serial_register(&keyspan_4port_device); - if (retval) - goto failed_4port_device_register; - retval = usb_register(&keyspan_driver); - if (retval) - goto failed_usb_register; - - info(DRIVER_VERSION ":" DRIVER_DESC); - return 0; -failed_usb_register: - usb_serial_deregister(&keyspan_4port_device); -failed_4port_device_register: - usb_serial_deregister(&keyspan_2port_device); -failed_2port_device_register: - usb_serial_deregister(&keyspan_1port_device); -failed_1port_device_register: - usb_serial_deregister(&keyspan_pre_device); -failed_pre_device_register: - return retval; -} +module_usb_serial_driver(serial_drivers, keyspan_ids_combined); -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); -} - -module_init(keyspan_init); -module_exit(keyspan_exit); - -static void keyspan_rx_throttle (struct usb_serial_port *port) -{ - dbg("%s - port %d", __FUNCTION__, port->number); -} - - -static void keyspan_rx_unthrottle (struct usb_serial_port *port) -{ - dbg("%s - port %d", __FUNCTION__, 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", __FUNCTION__); - p_priv = usb_get_serial_port_data(port); if (break_state == -1) @@ -271,30 +144,27 @@ 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", __FUNCTION__); p_priv = usb_get_serial_port_data(port); d_details = p_priv->device_details; - cflag = tty->termios->c_cflag; - device_port = port->number - port->serial->minor; + cflag = tty->termios.c_cflag; + device_port = port->port_number; /* 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 (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, + /* If no match or invalid, don't change */ + if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { /* FIXME - more to do here to ensure rate changes cleanly */ - /* FIXME - calcuate exact rate from divisor ? */ + /* FIXME - calculate exact rate from divisor ? */ p_priv->baud = baud_rate; } else baud_rate = tty_termios_baud_rate(old_termios); @@ -302,43 +172,40 @@ static void keyspan_set_termios (struct usb_serial_port *port, tty_encode_baud_rate(tty, baud_rate, baud_rate); /* set CTS/RTS handshake etc. */ p_priv->cflag = cflag; - p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; + p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; /* Mark/Space not supported */ - tty->termios->c_cflag &= ~CMSPAR; + tty->termios.c_cflag &= ~CMSPAR; 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 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) | ((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; } -static int keyspan_tiocmset(struct usb_serial_port *port, struct file *file, +static int keyspan_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { - struct keyspan_port_private *p_priv; + struct usb_serial_port *port = tty->driver_data; + struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); - 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) @@ -347,37 +214,31 @@ 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; 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", - __FUNCTION__, port->number, count, p_priv->out_flip); + + dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, + p_priv->out_flip); for (left = count; left > 0; left -= todo) { todo = left; @@ -385,37 +246,39 @@ static int keyspan_write(struct usb_serial_port *port, 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 :(", __FUNCTION__); + dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); return count; } - dbg("%s - endpoint %d flip %d", __FUNCTION__, usb_pipeendpoint(this_urb->pipe), flip); + dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", + __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) { - dbg("usb_submit_urb(write bulk) failed (%d)", err); - } + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); p_priv->tx_start_time[flip] = jiffies; /* Flip for next time if usa26 or usa28 interface @@ -431,35 +294,32 @@ static void usa26_indat_callback(struct urb *urb) int i, err; int endpoint; struct usb_serial_port *port; - struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __FUNCTION__); - endpoint = usb_pipeendpoint(urb->pipe); if (status) { - dbg("%s - nonzero status: %x on endpoint %d.", - __FUNCTION__, status, endpoint); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", + __func__, status, endpoint); return; } - port = (struct usb_serial_port *) urb->context; - tty = port->tty; - if (tty && urb->actual_length) { + port = urb->context; + if (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) { - tty_insert_flip_char(tty, data[i], err); - } + err = TTY_OVERRUN; + else + err = 0; + for (i = 1; i < urb->actual_length ; ++i) + tty_insert_flip_char(&port->port, data[i], err); } else { /* some bytes had errors, every byte has status */ - dbg("%s - RX error!!!!", __FUNCTION__); + dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); for (i = 0; i + 1 < urb->actual_length; i += 2) { int stat = data[i], flag = 0; if (stat & RXERROR_OVERRUN) @@ -469,39 +329,34 @@ static void usa26_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(&port->port, data[i+1], + flag); } } - tty_flip_buffer_push(tty); + tty_flip_buffer_push(&port->port); } - - /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; - if (port->open_count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } - return; + + /* Resubmit urb so we continue receiving */ + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); } - /* 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; struct keyspan_port_private *p_priv; - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); - dbg ("%s - urb %d", __FUNCTION__, urb == p_priv->out_urbs[1]); + dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); - if (port->open_count) - usb_serial_port_softint(port); + usb_serial_port_softint(port); } static void usa26_inack_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); - } static void usa26_outcont_callback(struct urb *urb) @@ -509,12 +364,13 @@ static void usa26_outcont_callback(struct urb *urb) struct usb_serial_port *port; struct keyspan_port_private *p_priv; - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __FUNCTION__); - keyspan_usa26_send_setup(port->serial, port, p_priv->resend_cont - 1); + dev_dbg(&port->dev, "%s - sending setup\n", __func__); + keyspan_usa26_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -528,36 +384,27 @@ static void usa26_instat_callback(struct urb *urb) int old_dcd_state, err; int status = urb->status; - serial = (struct usb_serial *) urb->context; + serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } if (urb->actual_length != 9) { - dbg("%s - %d byte report??", __FUNCTION__, urb->actual_length); + dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); goto exit; } msg = (struct keyspan_usa26_portStatusMessage *)data; -#if 0 - dbg("%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", - __FUNCTION__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, msg->ri, msg->_txOff, - msg->_txXoff, msg->rxEnabled, msg->controlResponse); -#endif - - /* 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", __FUNCTION__, msg->port); + dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __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); @@ -565,41 +412,30 @@ 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) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ - } - + if (old_dcd_state != p_priv->dcd_state) + tty_port_tty_hangup(&port->port, true); + /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); exit: ; } static void usa26_glocont_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); - } static void usa28_indat_callback(struct urb *urb) { - int i, err; + int err; struct usb_serial_port *port; - struct tty_struct *tty; unsigned char *data; struct keyspan_port_private *p_priv; int status = urb->status; - dbg ("%s", __FUNCTION__); - - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); data = urb->transfer_buffer; @@ -608,29 +444,26 @@ static void usa28_indat_callback(struct urb *urb) do { if (status) { - dbg("%s - nonzero status: %x on endpoint %d.", - __FUNCTION__, status, usb_pipeendpoint(urb->pipe)); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", + __func__, status, usb_pipeendpoint(urb->pipe)); return; } - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); data = urb->transfer_buffer; - tty = port->tty; if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - tty_insert_flip_char(tty, data[i], 0); - } - tty_flip_buffer_push(tty); + tty_insert_flip_string(&port->port, data, + urb->actual_length); + tty_flip_buffer_push(&port->port); } /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; - if (port->open_count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", + __func__, err); p_priv->in_flip ^= 1; urb = p_priv->in_urbs[p_priv->in_flip]; @@ -639,7 +472,6 @@ static void usa28_indat_callback(struct urb *urb) static void usa28_inack_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); } static void usa28_outcont_callback(struct urb *urb) @@ -647,12 +479,13 @@ static void usa28_outcont_callback(struct urb *urb) struct usb_serial_port *port; struct keyspan_port_private *p_priv; - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __FUNCTION__); - keyspan_usa28_send_setup(port->serial, port, p_priv->resend_cont - 1); + dev_dbg(&port->dev, "%s - sending setup\n", __func__); + keyspan_usa28_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -667,34 +500,28 @@ static void usa28_instat_callback(struct urb *urb) int old_dcd_state; int status = urb->status; - serial = (struct usb_serial *) urb->context; + serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { - dbg("%s - bad length %d", __FUNCTION__, urb->actual_length); + dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); goto exit; } - /*dbg("%s %x %x %x %x %x %x %x %x %x %x %x %x", __FUNCTION__ - 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; - - /* 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", __FUNCTION__, msg->port); + dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __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); @@ -702,25 +529,18 @@ 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) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); exit: ; } static void usa28_glocont_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); } @@ -731,16 +551,15 @@ static void usa49_glocont_callback(struct urb *urb) struct keyspan_port_private *p_priv; int i; - dbg ("%s", __FUNCTION__); - - serial = (struct usb_serial *) urb->context; + serial = urb->context; for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __FUNCTION__); - keyspan_usa49_send_setup(serial, port, p_priv->resend_cont - 1); + dev_dbg(&port->dev, "%s - sending setup\n", __func__); + keyspan_usa49_send_setup(serial, port, + p_priv->resend_cont - 1); break; } } @@ -759,35 +578,30 @@ static void usa49_instat_callback(struct urb *urb) int old_dcd_state; int status = urb->status; - dbg ("%s", __FUNCTION__); - - serial = (struct usb_serial *) urb->context; + serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } - if (urb->actual_length != sizeof(struct keyspan_usa49_portStatusMessage)) { - dbg("%s - bad length %d", __FUNCTION__, urb->actual_length); + if (urb->actual_length != + sizeof(struct keyspan_usa49_portStatusMessage)) { + dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); goto exit; } - /*dbg(" %x %x %x %x %x %x %x %x %x %x %x", __FUNCTION__, - 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 */ 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", __FUNCTION__, msg->portNumber); + dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", + __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); @@ -795,26 +609,18 @@ 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) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ - } - - /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + /* Resubmit urb so we continue receiving */ + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); exit: ; } static void usa49_inack_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); } static void usa49_indat_callback(struct urb *urb) @@ -822,29 +628,24 @@ static void usa49_indat_callback(struct urb *urb) int i, err; int endpoint; struct usb_serial_port *port; - struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __FUNCTION__); - endpoint = usb_pipeendpoint(urb->pipe); if (status) { - dbg("%s - nonzero status: %x on endpoint %d.", __FUNCTION__, - status, endpoint); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", + __func__, status, endpoint); return; } - port = (struct usb_serial_port *) urb->context; - tty = port->tty; - if (tty && urb->actual_length) { + port = urb->context; + if (urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { /* no error on any byte */ - for (i = 1; i < urb->actual_length ; ++i) { - tty_insert_flip_char(tty, data[i], 0); - } + tty_insert_flip_string(&port->port, data + 1, + urb->actual_length - 1); } else { /* some bytes had errors, every byte has status */ for (i = 0; i + 1 < urb->actual_length; i += 2) { @@ -856,18 +657,17 @@ static void usa49_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(&port->port, data[i+1], + flag); } } - tty_flip_buffer_push(tty); + tty_flip_buffer_push(&port->port); } - - /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; - if (port->open_count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + + /* Resubmit urb so we continue receiving */ + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); } static void usa49wg_indat_callback(struct urb *urb) @@ -875,16 +675,13 @@ static void usa49wg_indat_callback(struct urb *urb) int i, len, x, err; struct usb_serial *serial; struct usb_serial_port *port; - struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __FUNCTION__); - serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } @@ -892,65 +689,56 @@ static void usa49wg_indat_callback(struct urb *urb) i = 0; len = 0; - if (urb->actual_length) { - while (i < urb->actual_length) { + while (i < urb->actual_length) { - /* Check port number from message*/ - if (data[i] >= serial->num_ports) { - dbg ("%s - Unexpected port number %d", - __FUNCTION__, data[i]); - return; - } - port = serial->port[data[i++]]; - tty = port->tty; - len = data[i++]; + /* Check port number from message */ + if (data[i] >= serial->num_ports) { + dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", + __func__, data[i]); + return; + } + port = serial->port[data[i++]]; + len = data[i++]; - /* 0x80 bit is error flag */ - if ((data[i] & 0x80) == 0) { - /* no error on any byte */ - i++; - for (x = 1; x < len ; ++x) - if (port->open_count) - tty_insert_flip_char(tty, - data[i++], 0); - else - i++; - } else { - /* - * some bytes had errors, every byte has status - */ - for (x = 0; x + 1 < len; x += 2) { - int stat = data[i], flag = 0; - if (stat & RXERROR_OVERRUN) - flag |= TTY_OVERRUN; - if (stat & RXERROR_FRAMING) - flag |= TTY_FRAME; - if (stat & RXERROR_PARITY) - flag |= TTY_PARITY; - /* XXX should handle break (0x10) */ - if (port->open_count) - tty_insert_flip_char(tty, - data[i+1], flag); - i += 2; - } + /* 0x80 bit is error flag */ + if ((data[i] & 0x80) == 0) { + /* no error on any byte */ + i++; + for (x = 1; x < len && i < urb->actual_length; ++x) + tty_insert_flip_char(&port->port, + data[i++], 0); + } else { + /* + * some bytes had errors, every byte has status + */ + for (x = 0; x + 1 < len && + i + 1 < urb->actual_length; x += 2) { + int stat = data[i], flag = 0; + + if (stat & RXERROR_OVERRUN) + flag |= TTY_OVERRUN; + if (stat & RXERROR_FRAMING) + flag |= TTY_FRAME; + if (stat & RXERROR_PARITY) + flag |= TTY_PARITY; + /* XXX should handle break (0x10) */ + tty_insert_flip_char(&port->port, data[i+1], + flag); + i += 2; } - if (port->open_count) - tty_flip_buffer_push(tty); } + tty_flip_buffer_push(&port->port); } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); + dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); } /* not used, usa-49 doesn't have per-port control endpoints */ static void usa49_outcont_callback(struct urb *urb) { - dbg ("%s", __FUNCTION__); } static void usa90_indat_callback(struct urb *urb) @@ -959,48 +747,42 @@ static void usa90_indat_callback(struct urb *urb) int endpoint; struct usb_serial_port *port; struct keyspan_port_private *p_priv; - struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int status = urb->status; - dbg ("%s", __FUNCTION__); - endpoint = usb_pipeendpoint(urb->pipe); if (status) { - dbg("%s - nonzero status: %x on endpoint %d.", - __FUNCTION__, status, endpoint); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", + __func__, status, endpoint); return; } - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); - tty = 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) - tty_insert_flip_char(tty, data[i], 0); - } + if (p_priv->baud > 57600) + tty_insert_flip_string(&port->port, data, + urb->actual_length); 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(&port->port, + data[i], err); + } else { /* some bytes had errors, every byte has status */ - dbg("%s - RX error!!!!", __FUNCTION__); + dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); for (i = 0; i + 1 < urb->actual_length; i += 2) { int stat = data[i], flag = 0; if (stat & RXERROR_OVERRUN) @@ -1010,20 +792,18 @@ 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(&port->port, + data[i+1], flag); } } } - tty_flip_buffer_push(tty); + tty_flip_buffer_push(&port->port); } - + /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; - if (port->open_count) - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } - return; + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); } @@ -1037,14 +817,14 @@ static void usa90_instat_callback(struct urb *urb) int old_dcd_state, err; int status = urb->status; - serial = (struct usb_serial *) urb->context; + serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } if (urb->actual_length < 14) { - dbg("%s - %d byte report??", __FUNCTION__, urb->actual_length); + dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); goto exit; } @@ -1054,7 +834,7 @@ 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); @@ -1062,19 +842,13 @@ 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) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ - } - + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); + /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); - } + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); exit: ; } @@ -1084,12 +858,13 @@ static void usa90_outcont_callback(struct urb *urb) struct usb_serial_port *port; struct keyspan_port_private *p_priv; - port = (struct usb_serial_port *) urb->context; + port = urb->context; p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __FUNCTION__); - keyspan_usa90_send_setup(port->serial, port, p_priv->resend_cont - 1); + dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); + keyspan_usa90_send_setup(port->serial, port, + p_priv->resend_cont - 1); } } @@ -1105,17 +880,16 @@ static void usa67_instat_callback(struct urb *urb) int old_dcd_state; int status = urb->status; - dbg ("%s", __FUNCTION__); - serial = urb->context; if (status) { - dbg("%s - nonzero status: %x", __FUNCTION__, status); + dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); return; } - if (urb->actual_length != sizeof(struct keyspan_usa67_portStatusMessage)) { - dbg("%s - bad length %d", __FUNCTION__, urb->actual_length); + if (urb->actual_length != + sizeof(struct keyspan_usa67_portStatusMessage)) { + dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); return; } @@ -1125,7 +899,7 @@ 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", __FUNCTION__, msg->port); + dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); return; } @@ -1137,19 +911,13 @@ 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) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ - } + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) + tty_port_tty_hangup(&port->port, true); /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) - dbg("%s - resubmit read urb failed. (%d)", __FUNCTION__, err); + dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); } static void usa67_glocont_callback(struct urb *urb) @@ -1159,15 +927,13 @@ static void usa67_glocont_callback(struct urb *urb) struct keyspan_port_private *p_priv; int i; - dbg ("%s", __FUNCTION__); - serial = urb->context; for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); if (p_priv->resend_cont) { - dbg ("%s - sending setup", __FUNCTION__); + dev_dbg(&port->dev, "%s - sending setup\n", __func__); keyspan_usa67_send_setup(serial, port, p_priv->resend_cont - 1); break; @@ -1175,61 +941,54 @@ 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; int data_len; struct urb *this_urb; - dbg("%s", __FUNCTION__); p_priv = usb_get_serial_port_data(port); d_details = p_priv->device_details; + /* 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); -} - - -static int keyspan_chars_in_buffer (struct usb_serial_port *port) -{ - return (0); + 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 keyspan_port_private *p_priv; - struct keyspan_serial_private *s_priv; - struct usb_serial *serial = port->serial; const struct keyspan_device_details *d_details; 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); d_details = p_priv->device_details; - dbg("%s - port%d.", __FUNCTION__, port->number); - /* Set some sane defaults */ p_priv->rts_state = 1; p_priv->dtr_state = 1; @@ -1244,52 +1003,52 @@ static int keyspan_open (struct usb_serial_port *port, struct file *filp) /* 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)", __FUNCTION__, i, err); - } + err = usb_submit_urb(urb, GFP_KERNEL); + if (err != 0) + dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __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 * 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; + device_port = port->port_number; + 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(port, 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; + 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); + return 0; } static inline void stop_urb(struct urb *urb) @@ -1298,160 +1057,123 @@ 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_dtr_rts(struct usb_serial_port *port, int on) +{ + struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); + + p_priv->rts_state = on; + p_priv->dtr_state = on; + keyspan_send_setup(port, 0); +} + +static void keyspan_close(struct usb_serial_port *port) { int i; - struct usb_serial *serial = port->serial; - struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; - dbg("%s", __FUNCTION__); - 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); - } - /*while (p_priv->outcont_urb->status == -EINPROGRESS) { - dbg("%s - urb in progress", __FUNCTION__); - }*/ + keyspan_send_setup(port, 2); + /* pilot-xfer seems to work best with this delay */ + mdelay(100); p_priv->out_flip = 0; p_priv->in_flip = 0; - if (serial->dev) { - /* Stop reading/writing urbs */ - stop_urb(p_priv->inack_urb); - /* stop_urb(p_priv->outcont_urb); */ - for (i = 0; i < 2; i++) { - stop_urb(p_priv->in_urbs[i]); - stop_urb(p_priv->out_urbs[i]); - } + stop_urb(p_priv->inack_urb); + for (i = 0; i < 2; i++) { + stop_urb(p_priv->in_urbs[i]); + stop_urb(p_priv->out_urbs[i]); } - 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 ezusb_hex_record *record; - char *fw_name; + char *fw_name; - 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) { - dbg("Firmware already loaded. Quitting."); - return(1); + dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", + le16_to_cpu(serial->dev->descriptor.bcdDevice), + le16_to_cpu(serial->dev->descriptor.idProduct)); + + if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) + != 0x8000) { + dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); + return 1; } /* Select firmware image on the basis of idProduct */ switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { case keyspan_usa28_pre_product_id: - record = &keyspan_usa28_firmware[0]; - fw_name = "USA28"; + fw_name = "keyspan/usa28.fw"; break; case keyspan_usa28x_pre_product_id: - record = &keyspan_usa28x_firmware[0]; - fw_name = "USA28X"; + fw_name = "keyspan/usa28x.fw"; break; case keyspan_usa28xa_pre_product_id: - record = &keyspan_usa28xa_firmware[0]; - fw_name = "USA28XA"; + fw_name = "keyspan/usa28xa.fw"; break; case keyspan_usa28xb_pre_product_id: - record = &keyspan_usa28xb_firmware[0]; - fw_name = "USA28XB"; + fw_name = "keyspan/usa28xb.fw"; break; case keyspan_usa19_pre_product_id: - record = &keyspan_usa19_firmware[0]; - fw_name = "USA19"; + fw_name = "keyspan/usa19.fw"; break; - + case keyspan_usa19qi_pre_product_id: - record = &keyspan_usa19qi_firmware[0]; - fw_name = "USA19QI"; + fw_name = "keyspan/usa19qi.fw"; break; - + case keyspan_mpr_pre_product_id: - record = &keyspan_mpr_firmware[0]; - fw_name = "MPR"; + fw_name = "keyspan/mpr.fw"; break; case keyspan_usa19qw_pre_product_id: - record = &keyspan_usa19qw_firmware[0]; - fw_name = "USA19QI"; + fw_name = "keyspan/usa19qw.fw"; break; - + case keyspan_usa18x_pre_product_id: - record = &keyspan_usa18x_firmware[0]; - fw_name = "USA18X"; + fw_name = "keyspan/usa18x.fw"; break; - + case keyspan_usa19w_pre_product_id: - record = &keyspan_usa19w_firmware[0]; - fw_name = "USA19W"; + fw_name = "keyspan/usa19w.fw"; break; - + case keyspan_usa49w_pre_product_id: - record = &keyspan_usa49w_firmware[0]; - fw_name = "USA49W"; + fw_name = "keyspan/usa49w.fw"; break; case keyspan_usa49wlc_pre_product_id: - record = &keyspan_usa49wlc_firmware[0]; - fw_name = "USA49WLC"; + fw_name = "keyspan/usa49wlc.fw"; break; default: - record = NULL; - fw_name = "Unknown"; - break; - } - - if (record == NULL) { - dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); - return(1); + dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", + le16_to_cpu(serial->dev->descriptor.idProduct)); + return 1; } - dbg("Uploading Keyspan %s firmware.", fw_name); - - /* download the firmware image */ - response = ezusb_set_reset(serial, 1); + dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); - while(record->address != 0xffff) { - response = ezusb_writememory(serial, record->address, - (unsigned char *)record->data, - record->data_size, 0xa0); - if (response < 0) { - dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan" - "firmware (%d %04X %p %d)\n", - response, - record->address, record->data, record->data_size); - break; - } - record++; + if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { + dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", + fw_name); + return -ENOENT; } - /* bring device out of reset. Renumeration will occur in a - moment and the new device will bind to the real driver */ - response = ezusb_set_reset(serial, 0); + + /* after downloading firmware Renumeration will occur in a + moment and the new device will bind to the real driver */ /* we don't want this device to have a driver assigned to it. */ - return (1); + return 1; } /* Helper functions used by keyspan_setup_urbs */ @@ -1473,7 +1195,7 @@ 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 *)) { @@ -1484,12 +1206,10 @@ 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.", __FUNCTION__, endpoint); + dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ - if (urb == NULL) { - dbg ("%s - alloc for endpoint %d failed.", __FUNCTION__, endpoint); + if (!urb) return NULL; - } if (endpoint == 0) { /* control EP filled in when used */ @@ -1515,12 +1235,12 @@ static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint, } else { dev_warn(&serial->interface->dev, "unsupported endpoint type %x\n", - ep_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); + usb_endpoint_type(ep_desc)); usb_free_urb(urb); return NULL; } - dbg("%s - using urb %p for %s endpoint %x", + dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", __func__, urb, ep_type_name, endpoint); return urb; } @@ -1560,7 +1280,7 @@ 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, @@ -1580,24 +1300,18 @@ static struct callbacks { data in device_details */ static void keyspan_setup_urbs(struct usb_serial *serial) { - int i, j; struct keyspan_serial_private *s_priv; const struct keyspan_device_details *d_details; - struct usb_serial_port *port; - struct keyspan_port_private *p_priv; struct callbacks *cback; - int endp; - - dbg ("%s", __FUNCTION__); 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, @@ -1612,297 +1326,244 @@ static void keyspan_setup_urbs(struct usb_serial *serial) (serial, d_details->glocont_endpoint, USB_DIR_OUT, 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 ++) { - port = serial->port[i]; - p_priv = usb_get_serial_port_data(port); - - /* Do indat endpoints first, once for each flip */ - endp = d_details->indat_endpoints[i]; - for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { - p_priv->in_urbs[j] = keyspan_setup_urb - (serial, endp, USB_DIR_IN, port, - p_priv->in_buffer[j], 64, - cback->indat_callback); - } - for (; j < 2; ++j) - p_priv->in_urbs[j] = NULL; - - /* outdat endpoints also have flip */ - endp = d_details->outdat_endpoints[i]; - for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { - p_priv->out_urbs[j] = keyspan_setup_urb - (serial, endp, USB_DIR_OUT, port, - p_priv->out_buffer[j], 64, - cback->outdat_callback); - } - for (; j < 2; ++j) - p_priv->out_urbs[j] = NULL; - - /* inack endpoint */ - p_priv->inack_urb = keyspan_setup_urb - (serial, d_details->inack_endpoints[i], USB_DIR_IN, - port, p_priv->inack_buffer, 1, cback->inack_callback); - - /* outcont endpoint */ - p_priv->outcont_urb = keyspan_setup_urb - (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, - port, p_priv->outcont_buffer, 64, - cback->outcont_callback); - } - } /* usa19 function doesn't require prescaler */ -static int keyspan_usa19_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, +static int keyspan_usa19_calc_baud(struct usb_serial_port *port, + 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.", __FUNCTION__, 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 { + dev_dbg(&port->dev, "%s - %d.\n", __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.", __FUNCTION__, baud_rate, *rate_hi, *rate_low); - } - - return (KEYSPAN_BAUD_RATE_OK); + if (rate_low && rate_hi) + dev_dbg(&port->dev, "%s - %d %02x %02x.\n", + __func__, baud_rate, *rate_hi, *rate_low); + return KEYSPAN_BAUD_RATE_OK; } /* usa19hs function doesn't require prescaler */ -static int keyspan_usa19hs_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, - u8 *rate_low, u8 *prescaler, int portnum) +static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, + 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.", __FUNCTION__, baud_rate); + div; /* divisor */ - /* prevent divide by zero... */ - if( (b16 = (baud_rate * 16L)) == 0) - return (KEYSPAN_INVALID_BAUD_RATE); - + dev_dbg(&port->dev, "%s - %d.\n", __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.", __FUNCTION__, baud_rate, *rate_hi, *rate_low); - - return (KEYSPAN_BAUD_RATE_OK); + + if (rate_low && rate_hi) + dev_dbg(&port->dev, "%s - %d %02x %02x.\n", + __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, +static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, + 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) */ 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.", __FUNCTION__, baud_rate); + dev_dbg(&port->dev, "%s - %d.\n", __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", __FUNCTION__, *prescaler, div); */ + /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ } - return (KEYSPAN_BAUD_RATE_OK); + return KEYSPAN_BAUD_RATE_OK; } /* USA-28 supports different maximum baud rates on each port */ -static int keyspan_usa28_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, - u8 *rate_low, u8 *prescaler, int portnum) +static int keyspan_usa28_calc_baud(struct usb_serial_port *port, + 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.", __FUNCTION__, baud_rate); + dev_dbg(&port->dev, "%s - %d.\n", __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.", __FUNCTION__, baud_rate); - return (KEYSPAN_BAUD_RATE_OK); + dev_dbg(&port->dev, "%s - %d OK.\n", __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; - int outcont_urb; struct urb *this_urb; int device_port, err; - dbg ("%s reset=%d", __FUNCTION__, reset_port); + dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); d_details = s_priv->device_details; - device_port = port->number - port->serial->minor; + device_port = port->port_number; - outcont_urb = d_details->outcont_endpoints[port->number]; this_urb = p_priv->outcont_urb; - dbg("%s - endpoint %d", __FUNCTION__, usb_pipeendpoint(this_urb->pipe)); - /* Make sure we have an urb then send the message */ if (this_urb == NULL) { - dbg("%s - oops no urb.", __FUNCTION__); + dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); return -1; } + dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); + /* Save reset port val for resend. Don't overwrite resend for open/close condition. */ if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - /* dbg ("%s - already writing", __FUNCTION__); */ + /* dev_dbg(&port->dev, "%s - already writing\n", __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.", __FUNCTION__, - p_priv->baud); + if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, + &msg.baudHi, &msg.baudLo, &msg.prescaler, + device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", + __func__, p_priv->baud); msg.baudLo = 0; msg.baudHi = 125; /* Values for 9600 baud */ msg.prescaler = 10; @@ -1910,7 +1571,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, msg.setPrescaler = 0xff; } - msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; + msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; switch (p_priv->cflag & CSIZE) { case CS5: msg.lcr |= USA_DATABITS_5; @@ -1927,8 +1588,8 @@ 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; + msg.lcr |= (p_priv->cflag & PARODD) ? + USA_PARITY_ODD : USA_PARITY_EVEN; } msg.setLcr = 0xff; @@ -1969,7 +1630,7 @@ 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); @@ -1981,55 +1642,45 @@ 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) { - dbg("%s - usb_submit_urb(setup) failed (%d)", __FUNCTION__, err); - } -#if 0 - else { - dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __FUNCTION__ - outcont_urb, this_urb->transfer_buffer_length, - usb_pipeendpoint(this_urb->pipe)); - } -#endif - - return (0); + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); + return 0; } 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", __FUNCTION__); - s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); d_details = s_priv->device_details; - device_port = port->number - port->serial->minor; + device_port = port->port_number; /* only do something if we have a bulk out endpoint */ - if ((this_urb = p_priv->outcont_urb) == NULL) { - dbg("%s - oops no urb.", __FUNCTION__); + this_urb = p_priv->outcont_urb; + if (this_urb == NULL) { + dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); return -1; } @@ -2038,17 +1689,19 @@ 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", __FUNCTION__); + dev_dbg(&port->dev, "%s already writing\n", __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.", __FUNCTION__, p_priv->baud); + if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, + &msg.baudHi, &msg.baudLo, NULL, + device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", + __func__, p_priv->baud); msg.baudLo = 0xff; msg.baudHi = 0xb2; /* Values for 9600 baud */ } @@ -2059,7 +1712,7 @@ 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; @@ -2101,7 +1754,7 @@ 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; @@ -2115,23 +1768,16 @@ 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) { - dbg("%s - usb_submit_urb(setup) failed", __FUNCTION__); - } -#if 0 - else { - dbg("%s - usb_submit_urb(setup) OK %d bytes", __FUNCTION__, - this_urb->transfer_buffer_length); - } -#endif + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); - return (0); + return 0; } static int keyspan_usa49_send_setup(struct usb_serial *serial, @@ -2146,8 +1792,6 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, struct urb *this_urb; int err, device_port; - dbg ("%s", __FUNCTION__); - s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); d_details = s_priv->device_details; @@ -2155,49 +1799,49 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, this_urb = s_priv->glocont_urb; /* Work out which port within the device is being setup */ - device_port = port->number - port->serial->minor; - - dbg("%s - endpoint %d port %d (%d)",__FUNCTION__, usb_pipeendpoint(this_urb->pipe), port->number, device_port); + device_port = port->port_number; - /* Make sure we have an urb then send the message */ + /* Make sure we have an urb then send the message */ if (this_urb == NULL) { - dbg("%s - oops no urb for port %d.", __FUNCTION__, port->number); + dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); return -1; } + dev_dbg(&port->dev, "%s - endpoint %d (%d)\n", + __func__, usb_pipeendpoint(this_urb->pipe), device_port); + /* Save reset port val for resend. Don't overwrite resend for open/close condition. */ if ((reset_port + 1) > p_priv->resend_cont) p_priv->resend_cont = reset_port + 1; if (this_urb->status == -EINPROGRESS) { - /* dbg ("%s - already writing", __FUNCTION__); */ + /* dev_dbg(&port->dev, "%s - already writing\n", __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.", __FUNCTION__, - p_priv->baud); + if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, + &msg.baudHi, &msg.baudLo, &msg.prescaler, + device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", + __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; + msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; switch (p_priv->cflag & CSIZE) { case CS5: msg.lcr |= USA_DATABITS_5; @@ -2214,20 +1858,20 @@ 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; + msg.lcr |= (p_priv->cflag & PARODD) ? + 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; @@ -2259,7 +1903,7 @@ 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); @@ -2273,16 +1917,17 @@ 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); @@ -2292,39 +1937,31 @@ 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) { - dbg("%s - usb_submit_urb(setup) failed (%d)", __FUNCTION__, err); } -#if 0 - else { - dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __FUNCTION__, - outcont_urb, this_urb->transfer_buffer_length, - usb_pipeendpoint(this_urb->pipe)); - } -#endif + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); - return (0); + return 0; } 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; @@ -2332,15 +1969,14 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, int err; u8 prescaler; - dbg ("%s", __FUNCTION__); - 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) { - dbg("%s - oops no urb.", __FUNCTION__); + this_urb = p_priv->outcont_urb; + if (this_urb == NULL) { + dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); return -1; } @@ -2349,24 +1985,23 @@ 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", __FUNCTION__); + dev_dbg(&port->dev, "%s already writing\n", __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.", __FUNCTION__, - p_priv->baud); + if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, + &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { + dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", + __func__, p_priv->baud); p_priv->baud = 9600; - d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, + d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, &msg.baudHi, &msg.baudLo, &prescaler, 0); } msg.setRxMode = 1; @@ -2374,18 +2009,15 @@ 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; } - msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; + msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; switch (p_priv->cflag & CSIZE) { case CS5: msg.lcr |= USA_DATABITS_5; @@ -2402,8 +2034,8 @@ 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; + msg.lcr |= (p_priv->cflag & PARODD) ? + USA_PARITY_ODD : USA_PARITY_EVEN; } if (p_priv->old_cflag != p_priv->cflag) { p_priv->old_cflag = p_priv->cflag; @@ -2414,48 +2046,45 @@ 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->open_count) - msg.portEnabled = 1; + msg.portEnabled = 1; 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) { - dbg("%s - usb_submit_urb(setup) failed (%d)", __FUNCTION__, err); - } - return (0); + err = usb_submit_urb(this_urb, GFP_ATOMIC); + if (err != 0) + dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); + return 0; } static int keyspan_usa67_send_setup(struct usb_serial *serial, @@ -2469,8 +2098,6 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, struct urb *this_urb; int err, device_port; - dbg ("%s", __FUNCTION__); - s_priv = usb_get_serial_data(serial); p_priv = usb_get_serial_port_data(port); d_details = s_priv->device_details; @@ -2478,12 +2105,11 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, this_urb = s_priv->glocont_urb; /* Work out which port within the device is being setup */ - device_port = port->number - port->serial->minor; + device_port = port->port_number; /* Make sure we have an urb then send the message */ if (this_urb == NULL) { - dbg("%s - oops no urb for port %d.", __FUNCTION__, - port->number); + dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); return -1; } @@ -2492,9 +2118,9 @@ 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", __FUNCTION__); */ + /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ mdelay(5); - return(-1); + return -1; } memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); @@ -2505,11 +2131,11 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, 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.", __FUNCTION__, - p_priv->baud); + if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, + &msg.baudHi, &msg.baudLo, &msg.prescaler, + device_port) == KEYSPAN_INVALID_BAUD_RATE) { + dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", + __func__, p_priv->baud); msg.baudLo = 0; msg.baudHi = 125; /* Values for 9600 baud */ msg.prescaler = 10; @@ -2534,8 +2160,8 @@ 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; + msg.lcr |= (p_priv->cflag & PARODD) ? + USA_PARITY_ODD : USA_PARITY_EVEN; } msg.setLcr = 0xff; @@ -2572,7 +2198,7 @@ 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); @@ -2597,13 +2223,11 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - this_urb->dev = serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) - dbg("%s - usb_submit_urb(setup) failed (%d)", __FUNCTION__, - err); - return (0); + dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); + return 0; } static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) @@ -2612,8 +2236,6 @@ 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", __FUNCTION__); - s_priv = usb_get_serial_data(serial); d_details = s_priv->device_details; @@ -2639,122 +2261,244 @@ 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; struct keyspan_serial_private *s_priv; - struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; - dbg("%s", __FUNCTION__); - 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", __FUNCTION__, le16_to_cpu(serial->dev->descriptor.idProduct)); - return 1; + dev_err(&serial->dev->dev, "%s - unknown product id %x\n", + __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); + return -ENODEV; } /* 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.", __FUNCTION__); + if (!s_priv) return -ENOMEM; - } + + s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); + if (!s_priv->instat_buf) + goto err_instat_buf; + + s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); + if (!s_priv->indat_buf) + goto err_indat_buf; + + s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); + if (!s_priv->glocont_buf) + goto err_glocont_buf; + + s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); + if (!s_priv->ctrl_buf) + goto err_ctrl_buf; s_priv->device_details = d_details; usb_set_serial_data(serial, s_priv); - /* 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); - if (!p_priv) { - dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __FUNCTION__, i); - return (1); - } - p_priv->device_details = d_details; - usb_set_serial_port_data(port, p_priv); - } - keyspan_setup_urbs(serial); if (s_priv->instat_urb != NULL) { - s_priv->instat_urb->dev = serial->dev; err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); if (err != 0) - dbg("%s - submit instat urb failed %d", __FUNCTION__, - err); + dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); } if (s_priv->indat_urb != NULL) { - s_priv->indat_urb->dev = serial->dev; err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); if (err != 0) - dbg("%s - submit indat urb failed %d", __FUNCTION__, - err); + dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); } - - return (0); + + return 0; + +err_ctrl_buf: + kfree(s_priv->glocont_buf); +err_glocont_buf: + kfree(s_priv->indat_buf); +err_indat_buf: + kfree(s_priv->instat_buf); +err_instat_buf: + kfree(s_priv); + + return -ENOMEM; } -static void keyspan_shutdown (struct usb_serial *serial) +static void keyspan_disconnect(struct usb_serial *serial) { - int i, j; - struct usb_serial_port *port; - struct keyspan_serial_private *s_priv; - struct keyspan_port_private *p_priv; - - dbg("%s", __FUNCTION__); + struct keyspan_serial_private *s_priv; s_priv = usb_get_serial_data(serial); - /* Stop reading/writing urbs */ stop_urb(s_priv->instat_urb); stop_urb(s_priv->glocont_urb); stop_urb(s_priv->indat_urb); - for (i = 0; i < serial->num_ports; ++i) { - port = serial->port[i]; - p_priv = usb_get_serial_port_data(port); - stop_urb(p_priv->inack_urb); - stop_urb(p_priv->outcont_urb); - for (j = 0; j < 2; j++) { - stop_urb(p_priv->in_urbs[j]); - stop_urb(p_priv->out_urbs[j]); - } - } +} + +static void keyspan_release(struct usb_serial *serial) +{ + struct keyspan_serial_private *s_priv; + + s_priv = usb_get_serial_data(serial); - /* Now free them */ usb_free_urb(s_priv->instat_urb); usb_free_urb(s_priv->indat_urb); usb_free_urb(s_priv->glocont_urb); - for (i = 0; i < serial->num_ports; ++i) { - port = serial->port[i]; - p_priv = usb_get_serial_port_data(port); - usb_free_urb(p_priv->inack_urb); - usb_free_urb(p_priv->outcont_urb); - for (j = 0; j < 2; j++) { - usb_free_urb(p_priv->in_urbs[j]); - usb_free_urb(p_priv->out_urbs[j]); - } - } - /* dbg("Freeing serial->private."); */ + kfree(s_priv->ctrl_buf); + kfree(s_priv->glocont_buf); + kfree(s_priv->indat_buf); + kfree(s_priv->instat_buf); + kfree(s_priv); +} - /* dbg("Freeing port->private."); */ - /* Now free per port private data */ - for (i = 0; i < serial->num_ports; i++) { - port = serial->port[i]; - kfree(usb_get_serial_port_data(port)); +static int keyspan_port_probe(struct usb_serial_port *port) +{ + struct usb_serial *serial = port->serial; + struct keyspan_serial_private *s_priv; + struct keyspan_port_private *p_priv; + const struct keyspan_device_details *d_details; + struct callbacks *cback; + int endp; + int port_num; + int i; + + s_priv = usb_get_serial_data(serial); + d_details = s_priv->device_details; + + p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); + if (!p_priv) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { + p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); + if (!p_priv->in_buffer[i]) + goto err_in_buffer; + } + + for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { + p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); + if (!p_priv->out_buffer[i]) + goto err_out_buffer; } + + p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); + if (!p_priv->inack_buffer) + goto err_inack_buffer; + + p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); + if (!p_priv->outcont_buffer) + goto err_outcont_buffer; + + p_priv->device_details = d_details; + + /* Setup values for the various callback routines */ + cback = &keyspan_callbacks[d_details->msg_format]; + + port_num = port->port_number; + + /* Do indat endpoints first, once for each flip */ + endp = d_details->indat_endpoints[port_num]; + for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { + p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, + USB_DIR_IN, port, + p_priv->in_buffer[i], + IN_BUFLEN, + cback->indat_callback); + } + /* outdat endpoints also have flip */ + endp = d_details->outdat_endpoints[port_num]; + for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { + p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, + USB_DIR_OUT, port, + p_priv->out_buffer[i], + OUT_BUFLEN, + cback->outdat_callback); + } + /* inack endpoint */ + p_priv->inack_urb = keyspan_setup_urb(serial, + d_details->inack_endpoints[port_num], + USB_DIR_IN, port, + p_priv->inack_buffer, + INACK_BUFLEN, + cback->inack_callback); + /* outcont endpoint */ + p_priv->outcont_urb = keyspan_setup_urb(serial, + d_details->outcont_endpoints[port_num], + USB_DIR_OUT, port, + p_priv->outcont_buffer, + OUTCONT_BUFLEN, + cback->outcont_callback); + + usb_set_serial_port_data(port, p_priv); + + return 0; + +err_outcont_buffer: + kfree(p_priv->inack_buffer); +err_inack_buffer: + for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) + kfree(p_priv->out_buffer[i]); +err_out_buffer: + for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) + kfree(p_priv->in_buffer[i]); +err_in_buffer: + kfree(p_priv); + + return -ENOMEM; } -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_LICENSE("GPL"); +static int keyspan_port_remove(struct usb_serial_port *port) +{ + struct keyspan_port_private *p_priv; + int i; + + p_priv = usb_get_serial_port_data(port); -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug enabled or not"); + stop_urb(p_priv->inack_urb); + stop_urb(p_priv->outcont_urb); + for (i = 0; i < 2; i++) { + stop_urb(p_priv->in_urbs[i]); + stop_urb(p_priv->out_urbs[i]); + } + + usb_free_urb(p_priv->inack_urb); + usb_free_urb(p_priv->outcont_urb); + for (i = 0; i < 2; i++) { + usb_free_urb(p_priv->in_urbs[i]); + usb_free_urb(p_priv->out_urbs[i]); + } + + kfree(p_priv->outcont_buffer); + kfree(p_priv->inack_buffer); + for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) + kfree(p_priv->out_buffer[i]); + for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) + kfree(p_priv->in_buffer[i]); + + kfree(p_priv); + + return 0; +} + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("keyspan/usa28.fw"); +MODULE_FIRMWARE("keyspan/usa28x.fw"); +MODULE_FIRMWARE("keyspan/usa28xa.fw"); +MODULE_FIRMWARE("keyspan/usa28xb.fw"); +MODULE_FIRMWARE("keyspan/usa19.fw"); +MODULE_FIRMWARE("keyspan/usa19qi.fw"); +MODULE_FIRMWARE("keyspan/mpr.fw"); +MODULE_FIRMWARE("keyspan/usa19qw.fw"); +MODULE_FIRMWARE("keyspan/usa18x.fw"); +MODULE_FIRMWARE("keyspan/usa19w.fw"); +MODULE_FIRMWARE("keyspan/usa49w.fw"); +MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |