Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | Keyspan USB to Serial Converter driver |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 3 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
| 5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 6 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
Justin P. Mattock | 631dd1a | 2010-10-18 11:03:14 +0200 | [diff] [blame] | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | Code in this driver inspired by and in a number of places taken |
| 15 | from Brian Warner's original Keyspan-PDA driver. |
| 16 | |
| 17 | This driver has been put together with the support of Innosys, Inc. |
| 18 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. |
| 19 | Thanks Guys :) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
| 22 | of much nicer and/or completely new code and (perhaps most uniquely) |
| 23 | having the patience to sit down and explain why and where he'd changed |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 24 | stuff. |
| 25 | |
| 26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | staff in their work on open source projects. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | */ |
| 29 | |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/kernel.h> |
| 32 | #include <linux/jiffies.h> |
| 33 | #include <linux/errno.h> |
| 34 | #include <linux/init.h> |
| 35 | #include <linux/slab.h> |
| 36 | #include <linux/tty.h> |
| 37 | #include <linux/tty_driver.h> |
| 38 | #include <linux/tty_flip.h> |
| 39 | #include <linux/module.h> |
| 40 | #include <linux/spinlock.h> |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 41 | #include <linux/firmware.h> |
| 42 | #include <linux/ihex.h> |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 43 | #include <linux/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 45 | #include <linux/usb/serial.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | #include "keyspan.h" |
| 47 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 48 | static bool debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | /* |
| 51 | * Version Information |
| 52 | */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 53 | #define DRIVER_VERSION "v1.1.5" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
| 55 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" |
| 56 | |
| 57 | #define INSTAT_BUFLEN 32 |
| 58 | #define GLOCONT_BUFLEN 64 |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 59 | #define INDAT49W_BUFLEN 512 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | /* Per device and per port private data */ |
| 62 | struct keyspan_serial_private { |
| 63 | const struct keyspan_device_details *device_details; |
| 64 | |
| 65 | struct urb *instat_urb; |
| 66 | char instat_buf[INSTAT_BUFLEN]; |
| 67 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 68 | /* added to support 49wg, where data from all 4 ports comes in |
| 69 | on 1 EP and high-speed supported */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 70 | struct urb *indat_urb; |
| 71 | char indat_buf[INDAT49W_BUFLEN]; |
| 72 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | /* XXX this one probably will need a lock */ |
| 74 | struct urb *glocont_urb; |
| 75 | char glocont_buf[GLOCONT_BUFLEN]; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 76 | char ctrl_buf[8]; /* for EP0 control message */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | struct keyspan_port_private { |
| 80 | /* Keep track of which input & output endpoints to use */ |
| 81 | int in_flip; |
| 82 | int out_flip; |
| 83 | |
| 84 | /* Keep duplicate of device details in each port |
| 85 | structure as well - simplifies some of the |
| 86 | callback functions etc. */ |
| 87 | const struct keyspan_device_details *device_details; |
| 88 | |
| 89 | /* Input endpoints and buffer for this port */ |
| 90 | struct urb *in_urbs[2]; |
| 91 | char in_buffer[2][64]; |
| 92 | /* Output endpoints and buffer for this port */ |
| 93 | struct urb *out_urbs[2]; |
| 94 | char out_buffer[2][64]; |
| 95 | |
| 96 | /* Input ack endpoint */ |
| 97 | struct urb *inack_urb; |
| 98 | char inack_buffer[1]; |
| 99 | |
| 100 | /* Output control endpoint */ |
| 101 | struct urb *outcont_urb; |
| 102 | char outcont_buffer[64]; |
| 103 | |
| 104 | /* Settings for the port */ |
| 105 | int baud; |
| 106 | int old_baud; |
| 107 | unsigned int cflag; |
| 108 | unsigned int old_cflag; |
| 109 | enum {flow_none, flow_cts, flow_xon} flow_control; |
| 110 | int rts_state; /* Handshaking pins (outputs) */ |
| 111 | int dtr_state; |
| 112 | int cts_state; /* Handshaking pins (inputs) */ |
| 113 | int dsr_state; |
| 114 | int dcd_state; |
| 115 | int ri_state; |
| 116 | int break_on; |
| 117 | |
| 118 | unsigned long tx_start_time[2]; |
| 119 | int resend_cont; /* need to resend control packet */ |
| 120 | }; |
| 121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | /* Include Keyspan message headers. All current Keyspan Adapters |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 123 | make use of one of five message formats which are referred |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 124 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
| 125 | within this driver. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | #include "keyspan_usa26msg.h" |
| 127 | #include "keyspan_usa28msg.h" |
| 128 | #include "keyspan_usa49msg.h" |
| 129 | #include "keyspan_usa90msg.h" |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 130 | #include "keyspan_usa67msg.h" |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Greg Kroah-Hartman | 68e2411 | 2012-05-08 15:46:14 -0700 | [diff] [blame] | 133 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 135 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 137 | struct usb_serial_port *port = tty->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | struct keyspan_port_private *p_priv; |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | p_priv = usb_get_serial_port_data(port); |
| 141 | |
| 142 | if (break_state == -1) |
| 143 | p_priv->break_on = 1; |
| 144 | else |
| 145 | p_priv->break_on = 0; |
| 146 | |
| 147 | keyspan_send_setup(port, 0); |
| 148 | } |
| 149 | |
| 150 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 151 | static void keyspan_set_termios(struct tty_struct *tty, |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 152 | struct usb_serial_port *port, struct ktermios *old_termios) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | { |
| 154 | int baud_rate, device_port; |
| 155 | struct keyspan_port_private *p_priv; |
| 156 | const struct keyspan_device_details *d_details; |
| 157 | unsigned int cflag; |
| 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | p_priv = usb_get_serial_port_data(port); |
| 160 | d_details = p_priv->device_details; |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 161 | cflag = tty->termios->c_cflag; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | device_port = port->number - port->serial->minor; |
| 163 | |
| 164 | /* Baud rate calculation takes baud rate as an integer |
| 165 | so other rates can be generated if desired. */ |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 166 | baud_rate = tty_get_baud_rate(tty); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 167 | /* If no match or invalid, don't change */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 168 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
| 170 | /* FIXME - more to do here to ensure rate changes cleanly */ |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 171 | /* FIXME - calcuate exact rate from divisor ? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | p_priv->baud = baud_rate; |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 173 | } else |
| 174 | baud_rate = tty_termios_baud_rate(old_termios); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 176 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | /* set CTS/RTS handshake etc. */ |
| 178 | p_priv->cflag = cflag; |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 179 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | |
Alan Cox | 74240b0 | 2007-10-18 01:24:20 -0700 | [diff] [blame] | 181 | /* Mark/Space not supported */ |
| 182 | tty->termios->c_cflag &= ~CMSPAR; |
| 183 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | keyspan_send_setup(port, 0); |
| 185 | } |
| 186 | |
Alan Cox | 60b33c1 | 2011-02-14 16:26:14 +0000 | [diff] [blame] | 187 | static int keyspan_tiocmget(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 189 | struct usb_serial_port *port = tty->driver_data; |
| 190 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | unsigned int value; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
| 194 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | |
| 195 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | |
| 196 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | |
| 197 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 198 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | return value; |
| 201 | } |
| 202 | |
Alan Cox | 20b9d17 | 2011-02-14 16:26:50 +0000 | [diff] [blame] | 203 | static int keyspan_tiocmset(struct tty_struct *tty, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | unsigned int set, unsigned int clear) |
| 205 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 206 | struct usb_serial_port *port = tty->driver_data; |
| 207 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | if (set & TIOCM_RTS) |
| 210 | p_priv->rts_state = 1; |
| 211 | if (set & TIOCM_DTR) |
| 212 | p_priv->dtr_state = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | if (clear & TIOCM_RTS) |
| 214 | p_priv->rts_state = 0; |
| 215 | if (clear & TIOCM_DTR) |
| 216 | p_priv->dtr_state = 0; |
| 217 | keyspan_send_setup(port, 0); |
| 218 | return 0; |
| 219 | } |
| 220 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 221 | /* Write function is similar for the four protocols used |
| 222 | with only a minor change for usa90 (usa19hs) required */ |
| 223 | static int keyspan_write(struct tty_struct *tty, |
| 224 | struct usb_serial_port *port, const unsigned char *buf, int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | { |
| 226 | struct keyspan_port_private *p_priv; |
| 227 | const struct keyspan_device_details *d_details; |
| 228 | int flip; |
| 229 | int left, todo; |
| 230 | struct urb *this_urb; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 231 | int err, maxDataLen, dataOffset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | |
| 233 | p_priv = usb_get_serial_port_data(port); |
| 234 | d_details = p_priv->device_details; |
| 235 | |
| 236 | if (d_details->msg_format == msg_usa90) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 237 | maxDataLen = 64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | dataOffset = 0; |
| 239 | } else { |
| 240 | maxDataLen = 63; |
| 241 | dataOffset = 1; |
| 242 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 243 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 244 | dev_dbg(&port->dev, "%s - for port %d (%d chars), flip=%d\n", |
| 245 | __func__, port->number, count, p_priv->out_flip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | |
| 247 | for (left = count; left > 0; left -= todo) { |
| 248 | todo = left; |
| 249 | if (todo > maxDataLen) |
| 250 | todo = maxDataLen; |
| 251 | |
| 252 | flip = p_priv->out_flip; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | /* Check we have a valid urb/endpoint before we use it... */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 255 | this_urb = p_priv->out_urbs[flip]; |
| 256 | if (this_urb == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | /* no bulk out, so return 0 bytes written */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 258 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | return count; |
| 260 | } |
| 261 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 262 | dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 263 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | |
| 265 | if (this_urb->status == -EINPROGRESS) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 266 | if (time_before(jiffies, |
| 267 | p_priv->tx_start_time[flip] + 10 * HZ)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | usb_unlink_urb(this_urb); |
| 270 | break; |
| 271 | } |
| 272 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 273 | /* First byte in buffer is "last flag" (except for usa19hx) |
| 274 | - unused so for now so set to zero */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | ((char *)this_urb->transfer_buffer)[0] = 0; |
| 276 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 277 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | buf += todo; |
| 279 | |
| 280 | /* send the data out the bulk port */ |
| 281 | this_urb->transfer_buffer_length = todo + dataOffset; |
| 282 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 283 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 284 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 285 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | p_priv->tx_start_time[flip] = jiffies; |
| 287 | |
| 288 | /* Flip for next time if usa26 or usa28 interface |
| 289 | (not used on usa49) */ |
| 290 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; |
| 291 | } |
| 292 | |
| 293 | return count - left; |
| 294 | } |
| 295 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 296 | static void usa26_indat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | { |
| 298 | int i, err; |
| 299 | int endpoint; |
| 300 | struct usb_serial_port *port; |
| 301 | struct tty_struct *tty; |
| 302 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 303 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | endpoint = usb_pipeendpoint(urb->pipe); |
| 306 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 307 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 308 | dev_dbg(&urb->dev->dev,"%s - nonzero status: %x on endpoint %d.\n", |
| 309 | __func__, status, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | return; |
| 311 | } |
| 312 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 313 | port = urb->context; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 314 | tty = tty_port_tty_get(&port->port); |
Alan Cox | a5569a5 | 2008-01-21 17:18:24 -0800 | [diff] [blame] | 315 | if (tty && urb->actual_length) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | /* 0x80 bit is error flag */ |
| 317 | if ((data[0] & 0x80) == 0) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 318 | /* no errors on individual bytes, only |
| 319 | possible overrun err */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | if (data[0] & RXERROR_OVERRUN) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 321 | err = TTY_OVERRUN; |
| 322 | else |
| 323 | err = 0; |
| 324 | for (i = 1; i < urb->actual_length ; ++i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | tty_insert_flip_char(tty, data[i], err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | } else { |
| 327 | /* some bytes had errors, every byte has status */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 328 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
| 330 | int stat = data[i], flag = 0; |
| 331 | if (stat & RXERROR_OVERRUN) |
| 332 | flag |= TTY_OVERRUN; |
| 333 | if (stat & RXERROR_FRAMING) |
| 334 | flag |= TTY_FRAME; |
| 335 | if (stat & RXERROR_PARITY) |
| 336 | flag |= TTY_PARITY; |
| 337 | /* XXX should handle break (0x10) */ |
| 338 | tty_insert_flip_char(tty, data[i+1], flag); |
| 339 | } |
| 340 | } |
| 341 | tty_flip_buffer_push(tty); |
| 342 | } |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 343 | tty_kref_put(tty); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 344 | |
| 345 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 346 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 347 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 348 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | } |
| 350 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 351 | /* Outdat handling is common for all devices */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 352 | static void usa2x_outdat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | { |
| 354 | struct usb_serial_port *port; |
| 355 | struct keyspan_port_private *p_priv; |
| 356 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 357 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | p_priv = usb_get_serial_port_data(port); |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 359 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 361 | usb_serial_port_softint(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | } |
| 363 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 364 | static void usa26_inack_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | } |
| 367 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 368 | static void usa26_outcont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | { |
| 370 | struct usb_serial_port *port; |
| 371 | struct keyspan_port_private *p_priv; |
| 372 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 373 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | p_priv = usb_get_serial_port_data(port); |
| 375 | |
| 376 | if (p_priv->resend_cont) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 377 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 378 | keyspan_usa26_send_setup(port->serial, port, |
| 379 | p_priv->resend_cont - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | } |
| 381 | } |
| 382 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 383 | static void usa26_instat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | { |
| 385 | unsigned char *data = urb->transfer_buffer; |
| 386 | struct keyspan_usa26_portStatusMessage *msg; |
| 387 | struct usb_serial *serial; |
| 388 | struct usb_serial_port *port; |
| 389 | struct keyspan_port_private *p_priv; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 390 | struct tty_struct *tty; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | int old_dcd_state, err; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 392 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 394 | serial = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 396 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 397 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | return; |
| 399 | } |
| 400 | if (urb->actual_length != 9) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 401 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | goto exit; |
| 403 | } |
| 404 | |
| 405 | msg = (struct keyspan_usa26_portStatusMessage *)data; |
| 406 | |
| 407 | #if 0 |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 408 | dev_dbg(&urb->dev->dev, |
| 409 | "%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", |
| 410 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, |
| 411 | msg->ri, msg->_txOff, msg->_txXoff, msg->rxEnabled, |
| 412 | msg->controlResponse); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | #endif |
| 414 | |
| 415 | /* Now do something useful with the data */ |
| 416 | |
| 417 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 418 | /* Check port number from message and retrieve private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | if (msg->port >= serial->num_ports) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 420 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | goto exit; |
| 422 | } |
| 423 | port = serial->port[msg->port]; |
| 424 | p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 425 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | /* Update handshaking pin state information */ |
| 427 | old_dcd_state = p_priv->dcd_state; |
| 428 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); |
| 429 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); |
| 430 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); |
| 431 | p_priv->ri_state = ((msg->ri) ? 1 : 0); |
| 432 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 433 | if (old_dcd_state != p_priv->dcd_state) { |
| 434 | tty = tty_port_tty_get(&port->port); |
| 435 | if (tty && !C_CLOCAL(tty)) |
| 436 | tty_hangup(tty); |
| 437 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 439 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | /* Resubmit urb so we continue receiving */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 441 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 442 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 443 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | exit: ; |
| 445 | } |
| 446 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 447 | static void usa26_glocont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 452 | static void usa28_indat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | { |
Alan Cox | f035a8a | 2008-07-22 11:13:32 +0100 | [diff] [blame] | 454 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | struct usb_serial_port *port; |
| 456 | struct tty_struct *tty; |
| 457 | unsigned char *data; |
| 458 | struct keyspan_port_private *p_priv; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 459 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 461 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | p_priv = usb_get_serial_port_data(port); |
| 463 | data = urb->transfer_buffer; |
| 464 | |
| 465 | if (urb != p_priv->in_urbs[p_priv->in_flip]) |
| 466 | return; |
| 467 | |
| 468 | do { |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 469 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 470 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
| 471 | __func__, status, usb_pipeendpoint(urb->pipe)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | return; |
| 473 | } |
| 474 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 475 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | p_priv = usb_get_serial_port_data(port); |
| 477 | data = urb->transfer_buffer; |
| 478 | |
Ben Minerds | 40adac8 | 2012-07-12 00:10:17 +1000 | [diff] [blame] | 479 | tty = tty_port_tty_get(&port->port); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 480 | if (tty && urb->actual_length) { |
Alan Cox | f035a8a | 2008-07-22 11:13:32 +0100 | [diff] [blame] | 481 | tty_insert_flip_string(tty, data, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | tty_flip_buffer_push(tty); |
| 483 | } |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 484 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | |
| 486 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 487 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 488 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 489 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 490 | __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | p_priv->in_flip ^= 1; |
| 492 | |
| 493 | urb = p_priv->in_urbs[p_priv->in_flip]; |
| 494 | } while (urb->status != -EINPROGRESS); |
| 495 | } |
| 496 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 497 | static void usa28_inack_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | } |
| 500 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 501 | static void usa28_outcont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | { |
| 503 | struct usb_serial_port *port; |
| 504 | struct keyspan_port_private *p_priv; |
| 505 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 506 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | p_priv = usb_get_serial_port_data(port); |
| 508 | |
| 509 | if (p_priv->resend_cont) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 510 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 511 | keyspan_usa28_send_setup(port->serial, port, |
| 512 | p_priv->resend_cont - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | } |
| 514 | } |
| 515 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 516 | static void usa28_instat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | { |
| 518 | int err; |
| 519 | unsigned char *data = urb->transfer_buffer; |
| 520 | struct keyspan_usa28_portStatusMessage *msg; |
| 521 | struct usb_serial *serial; |
| 522 | struct usb_serial_port *port; |
| 523 | struct keyspan_port_private *p_priv; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 524 | struct tty_struct *tty; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | int old_dcd_state; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 526 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 528 | serial = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 530 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 531 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | return; |
| 533 | } |
| 534 | |
| 535 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 536 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | goto exit; |
| 538 | } |
| 539 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 540 | /* |
| 541 | dev_dbg(&urb->dev->dev, |
| 542 | "%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__, |
| 543 | data[0], data[1], data[2], data[3], data[4], data[5], |
| 544 | data[6], data[7], data[8], data[9], data[10], data[11]); |
| 545 | */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 546 | |
| 547 | /* Now do something useful with the data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | msg = (struct keyspan_usa28_portStatusMessage *)data; |
| 549 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 550 | /* Check port number from message and retrieve private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | if (msg->port >= serial->num_ports) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 552 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | goto exit; |
| 554 | } |
| 555 | port = serial->port[msg->port]; |
| 556 | p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 557 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | /* Update handshaking pin state information */ |
| 559 | old_dcd_state = p_priv->dcd_state; |
| 560 | p_priv->cts_state = ((msg->cts) ? 1 : 0); |
| 561 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); |
| 562 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); |
| 563 | p_priv->ri_state = ((msg->ri) ? 1 : 0); |
| 564 | |
Ben Minerds | ddc04ae | 2012-07-12 00:10:18 +1000 | [diff] [blame] | 565 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 566 | tty = tty_port_tty_get(&port->port); |
Ben Minerds | 878b5fd | 2012-07-12 00:10:19 +1000 | [diff] [blame] | 567 | if (tty && !C_CLOCAL(tty)) |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 568 | tty_hangup(tty); |
| 569 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | /* Resubmit urb so we continue receiving */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 573 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 574 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 575 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | exit: ; |
| 577 | } |
| 578 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 579 | static void usa28_glocont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | } |
| 582 | |
| 583 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 584 | static void usa49_glocont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | { |
| 586 | struct usb_serial *serial; |
| 587 | struct usb_serial_port *port; |
| 588 | struct keyspan_port_private *p_priv; |
| 589 | int i; |
| 590 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 591 | serial = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | for (i = 0; i < serial->num_ports; ++i) { |
| 593 | port = serial->port[i]; |
| 594 | p_priv = usb_get_serial_port_data(port); |
| 595 | |
| 596 | if (p_priv->resend_cont) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 597 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 598 | keyspan_usa49_send_setup(serial, port, |
| 599 | p_priv->resend_cont - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | break; |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | /* This is actually called glostat in the Keyspan |
| 606 | doco */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 607 | static void usa49_instat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | { |
| 609 | int err; |
| 610 | unsigned char *data = urb->transfer_buffer; |
| 611 | struct keyspan_usa49_portStatusMessage *msg; |
| 612 | struct usb_serial *serial; |
| 613 | struct usb_serial_port *port; |
| 614 | struct keyspan_port_private *p_priv; |
| 615 | int old_dcd_state; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 616 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 618 | serial = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 620 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 621 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | return; |
| 623 | } |
| 624 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 625 | if (urb->actual_length != |
| 626 | sizeof(struct keyspan_usa49_portStatusMessage)) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 627 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | goto exit; |
| 629 | } |
| 630 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 631 | /* |
| 632 | dev_dbg(&urb->dev->dev, "%s: %x %x %x %x %x %x %x %x %x %x %x", |
| 633 | __func__, data[0], data[1], data[2], data[3], data[4], |
| 634 | data[5], data[6], data[7], data[8], data[9], data[10]); |
| 635 | */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 636 | |
| 637 | /* Now do something useful with the data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
| 639 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 640 | /* Check port number from message and retrieve private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | if (msg->portNumber >= serial->num_ports) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 642 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
| 643 | __func__, msg->portNumber); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | goto exit; |
| 645 | } |
| 646 | port = serial->port[msg->portNumber]; |
| 647 | p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 648 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | /* Update handshaking pin state information */ |
| 650 | old_dcd_state = p_priv->dcd_state; |
| 651 | p_priv->cts_state = ((msg->cts) ? 1 : 0); |
| 652 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); |
| 653 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); |
| 654 | p_priv->ri_state = ((msg->ri) ? 1 : 0); |
| 655 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 656 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
| 657 | struct tty_struct *tty = tty_port_tty_get(&port->port); |
| 658 | if (tty && !C_CLOCAL(tty)) |
| 659 | tty_hangup(tty); |
| 660 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | } |
| 662 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 663 | /* Resubmit urb so we continue receiving */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 664 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 665 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 666 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | exit: ; |
| 668 | } |
| 669 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 670 | static void usa49_inack_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | } |
| 673 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 674 | static void usa49_indat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | { |
| 676 | int i, err; |
| 677 | int endpoint; |
| 678 | struct usb_serial_port *port; |
| 679 | struct tty_struct *tty; |
| 680 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 681 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | endpoint = usb_pipeendpoint(urb->pipe); |
| 684 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 685 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 686 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
| 687 | __func__, status, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | return; |
| 689 | } |
| 690 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 691 | port = urb->context; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 692 | tty = tty_port_tty_get(&port->port); |
Alan Cox | 3004e53 | 2008-01-03 16:59:04 +0000 | [diff] [blame] | 693 | if (tty && urb->actual_length) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | /* 0x80 bit is error flag */ |
| 695 | if ((data[0] & 0x80) == 0) { |
| 696 | /* no error on any byte */ |
Alan Cox | f035a8a | 2008-07-22 11:13:32 +0100 | [diff] [blame] | 697 | tty_insert_flip_string(tty, data + 1, |
| 698 | urb->actual_length - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | } else { |
| 700 | /* some bytes had errors, every byte has status */ |
| 701 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
| 702 | int stat = data[i], flag = 0; |
| 703 | if (stat & RXERROR_OVERRUN) |
| 704 | flag |= TTY_OVERRUN; |
| 705 | if (stat & RXERROR_FRAMING) |
| 706 | flag |= TTY_FRAME; |
| 707 | if (stat & RXERROR_PARITY) |
| 708 | flag |= TTY_PARITY; |
| 709 | /* XXX should handle break (0x10) */ |
| 710 | tty_insert_flip_char(tty, data[i+1], flag); |
| 711 | } |
| 712 | } |
| 713 | tty_flip_buffer_push(tty); |
| 714 | } |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 715 | tty_kref_put(tty); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 716 | |
| 717 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 718 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 719 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 720 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | } |
| 722 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 723 | static void usa49wg_indat_callback(struct urb *urb) |
| 724 | { |
| 725 | int i, len, x, err; |
| 726 | struct usb_serial *serial; |
| 727 | struct usb_serial_port *port; |
| 728 | struct tty_struct *tty; |
| 729 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 730 | int status = urb->status; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 731 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 732 | serial = urb->context; |
| 733 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 734 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 735 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 736 | return; |
| 737 | } |
| 738 | |
| 739 | /* inbound data is in the form P#, len, status, data */ |
| 740 | i = 0; |
| 741 | len = 0; |
| 742 | |
| 743 | if (urb->actual_length) { |
| 744 | while (i < urb->actual_length) { |
| 745 | |
| 746 | /* Check port number from message*/ |
| 747 | if (data[i] >= serial->num_ports) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 748 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 749 | __func__, data[i]); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 750 | return; |
| 751 | } |
| 752 | port = serial->port[data[i++]]; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 753 | tty = tty_port_tty_get(&port->port); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 754 | len = data[i++]; |
| 755 | |
| 756 | /* 0x80 bit is error flag */ |
| 757 | if ((data[i] & 0x80) == 0) { |
| 758 | /* no error on any byte */ |
| 759 | i++; |
| 760 | for (x = 1; x < len ; ++x) |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 761 | tty_insert_flip_char(tty, data[i++], 0); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 762 | } else { |
| 763 | /* |
| 764 | * some bytes had errors, every byte has status |
| 765 | */ |
| 766 | for (x = 0; x + 1 < len; x += 2) { |
| 767 | int stat = data[i], flag = 0; |
| 768 | if (stat & RXERROR_OVERRUN) |
| 769 | flag |= TTY_OVERRUN; |
| 770 | if (stat & RXERROR_FRAMING) |
| 771 | flag |= TTY_FRAME; |
| 772 | if (stat & RXERROR_PARITY) |
| 773 | flag |= TTY_PARITY; |
| 774 | /* XXX should handle break (0x10) */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 775 | tty_insert_flip_char(tty, |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 776 | data[i+1], flag); |
| 777 | i += 2; |
| 778 | } |
| 779 | } |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 780 | tty_flip_buffer_push(tty); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 781 | tty_kref_put(tty); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 782 | } |
| 783 | } |
| 784 | |
| 785 | /* Resubmit urb so we continue receiving */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 786 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 787 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 788 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 789 | } |
| 790 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | /* not used, usa-49 doesn't have per-port control endpoints */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 792 | static void usa49_outcont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | } |
| 795 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 796 | static void usa90_indat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | { |
| 798 | int i, err; |
| 799 | int endpoint; |
| 800 | struct usb_serial_port *port; |
| 801 | struct keyspan_port_private *p_priv; |
| 802 | struct tty_struct *tty; |
| 803 | unsigned char *data = urb->transfer_buffer; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 804 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | endpoint = usb_pipeendpoint(urb->pipe); |
| 807 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 808 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 809 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 810 | __func__, status, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | return; |
| 812 | } |
| 813 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 814 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | p_priv = usb_get_serial_port_data(port); |
| 816 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | if (urb->actual_length) { |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 818 | tty = tty_port_tty_get(&port->port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | /* if current mode is DMA, looks like usa28 format |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 820 | otherwise looks like usa26 data format */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | |
Alan Cox | f035a8a | 2008-07-22 11:13:32 +0100 | [diff] [blame] | 822 | if (p_priv->baud > 57600) |
| 823 | tty_insert_flip_string(tty, data, urb->actual_length); |
| 824 | else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | /* 0x80 bit is error flag */ |
| 826 | if ((data[0] & 0x80) == 0) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 827 | /* no errors on individual bytes, only |
| 828 | possible overrun err*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | if (data[0] & RXERROR_OVERRUN) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 830 | err = TTY_OVERRUN; |
| 831 | else |
| 832 | err = 0; |
| 833 | for (i = 1; i < urb->actual_length ; ++i) |
| 834 | tty_insert_flip_char(tty, data[i], |
| 835 | err); |
| 836 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | /* some bytes had errors, every byte has status */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 838 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
| 840 | int stat = data[i], flag = 0; |
| 841 | if (stat & RXERROR_OVERRUN) |
| 842 | flag |= TTY_OVERRUN; |
| 843 | if (stat & RXERROR_FRAMING) |
| 844 | flag |= TTY_FRAME; |
| 845 | if (stat & RXERROR_PARITY) |
| 846 | flag |= TTY_PARITY; |
| 847 | /* XXX should handle break (0x10) */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 848 | tty_insert_flip_char(tty, data[i+1], |
| 849 | flag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | } |
| 851 | } |
| 852 | } |
| 853 | tty_flip_buffer_push(tty); |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 854 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 856 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | /* Resubmit urb so we continue receiving */ |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 858 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 859 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 860 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | } |
| 862 | |
| 863 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 864 | static void usa90_instat_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | { |
| 866 | unsigned char *data = urb->transfer_buffer; |
| 867 | struct keyspan_usa90_portStatusMessage *msg; |
| 868 | struct usb_serial *serial; |
| 869 | struct usb_serial_port *port; |
| 870 | struct keyspan_port_private *p_priv; |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 871 | struct tty_struct *tty; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | int old_dcd_state, err; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 873 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 874 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 875 | serial = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 877 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 878 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 879 | return; |
| 880 | } |
| 881 | if (urb->actual_length < 14) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 882 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | goto exit; |
| 884 | } |
| 885 | |
| 886 | msg = (struct keyspan_usa90_portStatusMessage *)data; |
| 887 | |
| 888 | /* Now do something useful with the data */ |
| 889 | |
| 890 | port = serial->port[0]; |
| 891 | p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 892 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | /* Update handshaking pin state information */ |
| 894 | old_dcd_state = p_priv->dcd_state; |
| 895 | p_priv->cts_state = ((msg->cts) ? 1 : 0); |
| 896 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); |
| 897 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); |
| 898 | p_priv->ri_state = ((msg->ri) ? 1 : 0); |
| 899 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 900 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
| 901 | tty = tty_port_tty_get(&port->port); |
| 902 | if (tty && !C_CLOCAL(tty)) |
| 903 | tty_hangup(tty); |
| 904 | tty_kref_put(tty); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 905 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 906 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | /* Resubmit urb so we continue receiving */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 908 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 909 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 910 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 911 | exit: |
| 912 | ; |
| 913 | } |
| 914 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 915 | static void usa90_outcont_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | { |
| 917 | struct usb_serial_port *port; |
| 918 | struct keyspan_port_private *p_priv; |
| 919 | |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 920 | port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | p_priv = usb_get_serial_port_data(port); |
| 922 | |
| 923 | if (p_priv->resend_cont) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 924 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 925 | keyspan_usa90_send_setup(port->serial, port, |
| 926 | p_priv->resend_cont - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | } |
| 928 | } |
| 929 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 930 | /* Status messages from the 28xg */ |
| 931 | static void usa67_instat_callback(struct urb *urb) |
| 932 | { |
| 933 | int err; |
| 934 | unsigned char *data = urb->transfer_buffer; |
| 935 | struct keyspan_usa67_portStatusMessage *msg; |
| 936 | struct usb_serial *serial; |
| 937 | struct usb_serial_port *port; |
| 938 | struct keyspan_port_private *p_priv; |
| 939 | int old_dcd_state; |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 940 | int status = urb->status; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 941 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 942 | serial = urb->context; |
| 943 | |
Greg Kroah-Hartman | 95b9345 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 944 | if (status) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 945 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 946 | return; |
| 947 | } |
| 948 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 949 | if (urb->actual_length != |
| 950 | sizeof(struct keyspan_usa67_portStatusMessage)) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 951 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 952 | return; |
| 953 | } |
| 954 | |
| 955 | |
| 956 | /* Now do something useful with the data */ |
| 957 | msg = (struct keyspan_usa67_portStatusMessage *)data; |
| 958 | |
| 959 | /* Check port number from message and retrieve private data */ |
| 960 | if (msg->port >= serial->num_ports) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 961 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 962 | return; |
| 963 | } |
| 964 | |
| 965 | port = serial->port[msg->port]; |
| 966 | p_priv = usb_get_serial_port_data(port); |
| 967 | |
| 968 | /* Update handshaking pin state information */ |
| 969 | old_dcd_state = p_priv->dcd_state; |
| 970 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); |
| 971 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); |
| 972 | |
Alan Cox | 4a90f09 | 2008-10-13 10:39:46 +0100 | [diff] [blame] | 973 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
| 974 | struct tty_struct *tty = tty_port_tty_get(&port->port); |
| 975 | if (tty && !C_CLOCAL(tty)) |
| 976 | tty_hangup(tty); |
| 977 | tty_kref_put(tty); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 978 | } |
| 979 | |
| 980 | /* Resubmit urb so we continue receiving */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 981 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 982 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 983 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 984 | } |
| 985 | |
| 986 | static void usa67_glocont_callback(struct urb *urb) |
| 987 | { |
| 988 | struct usb_serial *serial; |
| 989 | struct usb_serial_port *port; |
| 990 | struct keyspan_port_private *p_priv; |
| 991 | int i; |
| 992 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 993 | serial = urb->context; |
| 994 | for (i = 0; i < serial->num_ports; ++i) { |
| 995 | port = serial->port[i]; |
| 996 | p_priv = usb_get_serial_port_data(port); |
| 997 | |
| 998 | if (p_priv->resend_cont) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 999 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1000 | keyspan_usa67_send_setup(serial, port, |
| 1001 | p_priv->resend_cont - 1); |
| 1002 | break; |
| 1003 | } |
| 1004 | } |
| 1005 | } |
| 1006 | |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 1007 | static int keyspan_write_room(struct tty_struct *tty) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | { |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 1009 | struct usb_serial_port *port = tty->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | struct keyspan_port_private *p_priv; |
| 1011 | const struct keyspan_device_details *d_details; |
| 1012 | int flip; |
| 1013 | int data_len; |
| 1014 | struct urb *this_urb; |
| 1015 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | p_priv = usb_get_serial_port_data(port); |
| 1017 | d_details = p_priv->device_details; |
| 1018 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 1019 | /* FIXME: locking */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1020 | if (d_details->msg_format == msg_usa90) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1021 | data_len = 64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | else |
| 1023 | data_len = 63; |
| 1024 | |
| 1025 | flip = p_priv->out_flip; |
| 1026 | |
| 1027 | /* Check both endpoints to see if any are available. */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1028 | this_urb = p_priv->out_urbs[flip]; |
| 1029 | if (this_urb != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1030 | if (this_urb->status != -EINPROGRESS) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1031 | return data_len; |
| 1032 | flip = (flip + 1) & d_details->outdat_endp_flip; |
| 1033 | this_urb = p_priv->out_urbs[flip]; |
| 1034 | if (this_urb != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | if (this_urb->status != -EINPROGRESS) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1036 | return data_len; |
| 1037 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | } |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 1039 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | |
Alan Cox | a509a7e | 2009-09-19 13:13:26 -0700 | [diff] [blame] | 1043 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | { |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1045 | struct keyspan_port_private *p_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | const struct keyspan_device_details *d_details; |
| 1047 | int i, err; |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1048 | int baud_rate, device_port; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | struct urb *urb; |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 1050 | unsigned int cflag = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | p_priv = usb_get_serial_port_data(port); |
| 1053 | d_details = p_priv->device_details; |
Borislav Petkov | 7eea436 | 2007-11-14 17:00:39 -0800 | [diff] [blame] | 1054 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | /* Set some sane defaults */ |
| 1056 | p_priv->rts_state = 1; |
| 1057 | p_priv->dtr_state = 1; |
| 1058 | p_priv->baud = 9600; |
| 1059 | |
| 1060 | /* force baud and lcr to be set on open */ |
| 1061 | p_priv->old_baud = 0; |
| 1062 | p_priv->old_cflag = 0; |
| 1063 | |
| 1064 | p_priv->out_flip = 0; |
| 1065 | p_priv->in_flip = 0; |
| 1066 | |
| 1067 | /* Reset low level data toggle and start reading from endpoints */ |
| 1068 | for (i = 0; i < 2; i++) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1069 | urb = p_priv->in_urbs[i]; |
| 1070 | if (urb == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1072 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1073 | /* make sure endpoint data toggle is synchronized |
| 1074 | with the device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | usb_clear_halt(urb->dev, urb->pipe); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1076 | err = usb_submit_urb(urb, GFP_KERNEL); |
| 1077 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1078 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1079 | } |
| 1080 | |
| 1081 | /* Reset low level data toggle on out endpoints */ |
| 1082 | for (i = 0; i < 2; i++) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1083 | urb = p_priv->out_urbs[i]; |
| 1084 | if (urb == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1085 | continue; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1086 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
| 1087 | usb_pipeout(urb->pipe), 0); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1088 | } |
| 1089 | |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1090 | /* get the terminal config for the setup message now so we don't |
| 1091 | * need to send 2 of them */ |
| 1092 | |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1093 | device_port = port->number - port->serial->minor; |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 1094 | if (tty) { |
| 1095 | cflag = tty->termios->c_cflag; |
| 1096 | /* Baud rate calculation takes baud rate as an integer |
| 1097 | so other rates can be generated if desired. */ |
| 1098 | baud_rate = tty_get_baud_rate(tty); |
| 1099 | /* If no match or invalid, leave as default */ |
| 1100 | if (baud_rate >= 0 |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1101 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
Alan Cox | 95da310 | 2008-07-22 11:09:07 +0100 | [diff] [blame] | 1102 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
| 1103 | p_priv->baud = baud_rate; |
| 1104 | } |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1105 | } |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1106 | /* set CTS/RTS handshake etc. */ |
| 1107 | p_priv->cflag = cflag; |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 1108 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1109 | |
| 1110 | keyspan_send_setup(port, 1); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1111 | /* mdelay(100); */ |
| 1112 | /* keyspan_set_termios(port, NULL); */ |
Andrew Morton | f78ba15 | 2007-11-28 16:21:54 -0800 | [diff] [blame] | 1113 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 1114 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | static inline void stop_urb(struct urb *urb) |
| 1118 | { |
Greg Kroah-Hartman | 242cf67 | 2005-07-29 16:11:07 -0400 | [diff] [blame] | 1119 | if (urb && urb->status == -EINPROGRESS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | usb_kill_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1121 | } |
| 1122 | |
Alan Cox | 335f851 | 2009-06-11 12:26:29 +0100 | [diff] [blame] | 1123 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
| 1124 | { |
| 1125 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); |
| 1126 | |
| 1127 | p_priv->rts_state = on; |
| 1128 | p_priv->dtr_state = on; |
| 1129 | keyspan_send_setup(port, 0); |
| 1130 | } |
| 1131 | |
| 1132 | static void keyspan_close(struct usb_serial_port *port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | { |
| 1134 | int i; |
| 1135 | struct usb_serial *serial = port->serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | struct keyspan_port_private *p_priv; |
| 1137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | p_priv = usb_get_serial_port_data(port); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1140 | p_priv->rts_state = 0; |
| 1141 | p_priv->dtr_state = 0; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | if (serial->dev) { |
| 1144 | keyspan_send_setup(port, 2); |
| 1145 | /* pilot-xfer seems to work best with this delay */ |
| 1146 | mdelay(100); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1147 | /* keyspan_set_termios(port, NULL); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | } |
| 1149 | |
| 1150 | /*while (p_priv->outcont_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1151 | dev_dbg(&port->dev, "%s - urb in progress\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | }*/ |
| 1153 | |
| 1154 | p_priv->out_flip = 0; |
| 1155 | p_priv->in_flip = 0; |
| 1156 | |
| 1157 | if (serial->dev) { |
| 1158 | /* Stop reading/writing urbs */ |
| 1159 | stop_urb(p_priv->inack_urb); |
| 1160 | /* stop_urb(p_priv->outcont_urb); */ |
| 1161 | for (i = 0; i < 2; i++) { |
| 1162 | stop_urb(p_priv->in_urbs[i]); |
| 1163 | stop_urb(p_priv->out_urbs[i]); |
| 1164 | } |
| 1165 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1166 | } |
| 1167 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1168 | /* download the firmware to a pre-renumeration device */ |
| 1169 | static int keyspan_fake_startup(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1170 | { |
| 1171 | int response; |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1172 | const struct ihex_binrec *record; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | char *fw_name; |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1174 | const struct firmware *fw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1175 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1176 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
| 1177 | le16_to_cpu(serial->dev->descriptor.bcdDevice), |
| 1178 | le16_to_cpu(serial->dev->descriptor.idProduct)); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1179 | |
| 1180 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) |
| 1181 | != 0x8000) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1182 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1183 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | } |
| 1185 | |
| 1186 | /* Select firmware image on the basis of idProduct */ |
| 1187 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { |
| 1188 | case keyspan_usa28_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1189 | fw_name = "keyspan/usa28.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1190 | break; |
| 1191 | |
| 1192 | case keyspan_usa28x_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1193 | fw_name = "keyspan/usa28x.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1194 | break; |
| 1195 | |
| 1196 | case keyspan_usa28xa_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1197 | fw_name = "keyspan/usa28xa.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | break; |
| 1199 | |
| 1200 | case keyspan_usa28xb_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1201 | fw_name = "keyspan/usa28xb.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1202 | break; |
| 1203 | |
| 1204 | case keyspan_usa19_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1205 | fw_name = "keyspan/usa19.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | break; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1208 | case keyspan_usa19qi_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1209 | fw_name = "keyspan/usa19qi.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | break; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | case keyspan_mpr_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1213 | fw_name = "keyspan/mpr.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1214 | break; |
| 1215 | |
| 1216 | case keyspan_usa19qw_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1217 | fw_name = "keyspan/usa19qw.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1218 | break; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1220 | case keyspan_usa18x_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1221 | fw_name = "keyspan/usa18x.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1222 | break; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1223 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1224 | case keyspan_usa19w_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1225 | fw_name = "keyspan/usa19w.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | break; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1227 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | case keyspan_usa49w_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1229 | fw_name = "keyspan/usa49w.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | break; |
| 1231 | |
| 1232 | case keyspan_usa49wlc_pre_product_id: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1233 | fw_name = "keyspan/usa49wlc.fw"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | break; |
| 1235 | |
| 1236 | default: |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1237 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
| 1238 | le16_to_cpu(serial->dev->descriptor.idProduct)); |
| 1239 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1240 | } |
| 1241 | |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1242 | if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1243 | dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); |
Ben Minerds | f9943c2 | 2012-07-12 00:10:20 +1000 | [diff] [blame] | 1244 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1245 | } |
| 1246 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1247 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1248 | |
| 1249 | /* download the firmware image */ |
Rene Buergel | 99495c7 | 2012-09-13 22:14:38 +0200 | [diff] [blame] | 1250 | response = ezusb_set_reset(serial->dev, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1251 | |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1252 | record = (const struct ihex_binrec *)fw->data; |
| 1253 | |
| 1254 | while (record) { |
Rene Buergel | 99495c7 | 2012-09-13 22:14:38 +0200 | [diff] [blame] | 1255 | response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1256 | (unsigned char *)record->data, |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1257 | be16_to_cpu(record->len), 0xa0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1258 | if (response < 0) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1259 | dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan firmware (%d %04X %p %d)\n", |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1260 | response, be32_to_cpu(record->addr), |
| 1261 | record->data, be16_to_cpu(record->len)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1262 | break; |
| 1263 | } |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1264 | record = ihex_next_binrec(record); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | } |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 1266 | release_firmware(fw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1267 | /* bring device out of reset. Renumeration will occur in a |
| 1268 | moment and the new device will bind to the real driver */ |
Rene Buergel | 99495c7 | 2012-09-13 22:14:38 +0200 | [diff] [blame] | 1269 | response = ezusb_set_reset(serial->dev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | |
| 1271 | /* we don't want this device to have a driver assigned to it. */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1272 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1273 | } |
| 1274 | |
| 1275 | /* Helper functions used by keyspan_setup_urbs */ |
Rainer Weikusat | fdcba53 | 2007-01-03 15:36:25 +0100 | [diff] [blame] | 1276 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
| 1277 | int endpoint) |
| 1278 | { |
| 1279 | struct usb_host_interface *iface_desc; |
| 1280 | struct usb_endpoint_descriptor *ep; |
| 1281 | int i; |
| 1282 | |
| 1283 | iface_desc = serial->interface->cur_altsetting; |
| 1284 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
| 1285 | ep = &iface_desc->endpoint[i].desc; |
| 1286 | if (ep->bEndpointAddress == endpoint) |
| 1287 | return ep; |
| 1288 | } |
| 1289 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " |
| 1290 | "endpoint %x\n", endpoint); |
| 1291 | return NULL; |
| 1292 | } |
| 1293 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1294 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1295 | int dir, void *ctx, char *buf, int len, |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1296 | void (*callback)(struct urb *)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1297 | { |
| 1298 | struct urb *urb; |
Rainer Weikusat | fdcba53 | 2007-01-03 15:36:25 +0100 | [diff] [blame] | 1299 | struct usb_endpoint_descriptor const *ep_desc; |
| 1300 | char const *ep_type_name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | |
| 1302 | if (endpoint == -1) |
| 1303 | return NULL; /* endpoint not needed */ |
| 1304 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1305 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1306 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
| 1307 | if (urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1308 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d failed.\n", __func__, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | return NULL; |
| 1310 | } |
| 1311 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1312 | if (endpoint == 0) { |
| 1313 | /* control EP filled in when used */ |
| 1314 | return urb; |
| 1315 | } |
| 1316 | |
Rainer Weikusat | fdcba53 | 2007-01-03 15:36:25 +0100 | [diff] [blame] | 1317 | ep_desc = find_ep(serial, endpoint); |
| 1318 | if (!ep_desc) { |
| 1319 | /* leak the urb, something's wrong and the callers don't care */ |
| 1320 | return urb; |
| 1321 | } |
| 1322 | if (usb_endpoint_xfer_int(ep_desc)) { |
| 1323 | ep_type_name = "INT"; |
| 1324 | usb_fill_int_urb(urb, serial->dev, |
| 1325 | usb_sndintpipe(serial->dev, endpoint) | dir, |
| 1326 | buf, len, callback, ctx, |
| 1327 | ep_desc->bInterval); |
| 1328 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { |
| 1329 | ep_type_name = "BULK"; |
| 1330 | usb_fill_bulk_urb(urb, serial->dev, |
| 1331 | usb_sndbulkpipe(serial->dev, endpoint) | dir, |
| 1332 | buf, len, callback, ctx); |
| 1333 | } else { |
| 1334 | dev_warn(&serial->interface->dev, |
| 1335 | "unsupported endpoint type %x\n", |
Julia Lawall | 2e0fe70 | 2008-12-29 11:22:14 +0100 | [diff] [blame] | 1336 | usb_endpoint_type(ep_desc)); |
Rainer Weikusat | fdcba53 | 2007-01-03 15:36:25 +0100 | [diff] [blame] | 1337 | usb_free_urb(urb); |
| 1338 | return NULL; |
| 1339 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1340 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1341 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
Rainer Weikusat | fdcba53 | 2007-01-03 15:36:25 +0100 | [diff] [blame] | 1342 | __func__, urb, ep_type_name, endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | return urb; |
| 1344 | } |
| 1345 | |
| 1346 | static struct callbacks { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1347 | void (*instat_callback)(struct urb *); |
| 1348 | void (*glocont_callback)(struct urb *); |
| 1349 | void (*indat_callback)(struct urb *); |
| 1350 | void (*outdat_callback)(struct urb *); |
| 1351 | void (*inack_callback)(struct urb *); |
| 1352 | void (*outcont_callback)(struct urb *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | } keyspan_callbacks[] = { |
| 1354 | { |
| 1355 | /* msg_usa26 callbacks */ |
| 1356 | .instat_callback = usa26_instat_callback, |
| 1357 | .glocont_callback = usa26_glocont_callback, |
| 1358 | .indat_callback = usa26_indat_callback, |
| 1359 | .outdat_callback = usa2x_outdat_callback, |
| 1360 | .inack_callback = usa26_inack_callback, |
| 1361 | .outcont_callback = usa26_outcont_callback, |
| 1362 | }, { |
| 1363 | /* msg_usa28 callbacks */ |
| 1364 | .instat_callback = usa28_instat_callback, |
| 1365 | .glocont_callback = usa28_glocont_callback, |
| 1366 | .indat_callback = usa28_indat_callback, |
| 1367 | .outdat_callback = usa2x_outdat_callback, |
| 1368 | .inack_callback = usa28_inack_callback, |
| 1369 | .outcont_callback = usa28_outcont_callback, |
| 1370 | }, { |
| 1371 | /* msg_usa49 callbacks */ |
| 1372 | .instat_callback = usa49_instat_callback, |
| 1373 | .glocont_callback = usa49_glocont_callback, |
| 1374 | .indat_callback = usa49_indat_callback, |
| 1375 | .outdat_callback = usa2x_outdat_callback, |
| 1376 | .inack_callback = usa49_inack_callback, |
| 1377 | .outcont_callback = usa49_outcont_callback, |
| 1378 | }, { |
| 1379 | /* msg_usa90 callbacks */ |
| 1380 | .instat_callback = usa90_instat_callback, |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1381 | .glocont_callback = usa28_glocont_callback, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | .indat_callback = usa90_indat_callback, |
| 1383 | .outdat_callback = usa2x_outdat_callback, |
| 1384 | .inack_callback = usa28_inack_callback, |
| 1385 | .outcont_callback = usa90_outcont_callback, |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1386 | }, { |
| 1387 | /* msg_usa67 callbacks */ |
| 1388 | .instat_callback = usa67_instat_callback, |
| 1389 | .glocont_callback = usa67_glocont_callback, |
| 1390 | .indat_callback = usa26_indat_callback, |
| 1391 | .outdat_callback = usa2x_outdat_callback, |
| 1392 | .inack_callback = usa26_inack_callback, |
| 1393 | .outcont_callback = usa26_outcont_callback, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | } |
| 1395 | }; |
| 1396 | |
| 1397 | /* Generic setup urbs function that uses |
| 1398 | data in device_details */ |
| 1399 | static void keyspan_setup_urbs(struct usb_serial *serial) |
| 1400 | { |
| 1401 | int i, j; |
| 1402 | struct keyspan_serial_private *s_priv; |
| 1403 | const struct keyspan_device_details *d_details; |
| 1404 | struct usb_serial_port *port; |
| 1405 | struct keyspan_port_private *p_priv; |
| 1406 | struct callbacks *cback; |
| 1407 | int endp; |
| 1408 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1409 | s_priv = usb_get_serial_data(serial); |
| 1410 | d_details = s_priv->device_details; |
| 1411 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1412 | /* Setup values for the various callback routines */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1413 | cback = &keyspan_callbacks[d_details->msg_format]; |
| 1414 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1415 | /* Allocate and set up urbs for each one that is in use, |
| 1416 | starting with instat endpoints */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | s_priv->instat_urb = keyspan_setup_urb |
| 1418 | (serial, d_details->instat_endpoint, USB_DIR_IN, |
| 1419 | serial, s_priv->instat_buf, INSTAT_BUFLEN, |
| 1420 | cback->instat_callback); |
| 1421 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1422 | s_priv->indat_urb = keyspan_setup_urb |
| 1423 | (serial, d_details->indat_endpoint, USB_DIR_IN, |
| 1424 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, |
| 1425 | usa49wg_indat_callback); |
| 1426 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1427 | s_priv->glocont_urb = keyspan_setup_urb |
| 1428 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, |
| 1429 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, |
| 1430 | cback->glocont_callback); |
| 1431 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1432 | /* Setup endpoints for each port specific thing */ |
| 1433 | for (i = 0; i < d_details->num_ports; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | port = serial->port[i]; |
| 1435 | p_priv = usb_get_serial_port_data(port); |
| 1436 | |
| 1437 | /* Do indat endpoints first, once for each flip */ |
| 1438 | endp = d_details->indat_endpoints[i]; |
| 1439 | for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { |
| 1440 | p_priv->in_urbs[j] = keyspan_setup_urb |
| 1441 | (serial, endp, USB_DIR_IN, port, |
| 1442 | p_priv->in_buffer[j], 64, |
| 1443 | cback->indat_callback); |
| 1444 | } |
| 1445 | for (; j < 2; ++j) |
| 1446 | p_priv->in_urbs[j] = NULL; |
| 1447 | |
| 1448 | /* outdat endpoints also have flip */ |
| 1449 | endp = d_details->outdat_endpoints[i]; |
| 1450 | for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { |
| 1451 | p_priv->out_urbs[j] = keyspan_setup_urb |
| 1452 | (serial, endp, USB_DIR_OUT, port, |
| 1453 | p_priv->out_buffer[j], 64, |
| 1454 | cback->outdat_callback); |
| 1455 | } |
| 1456 | for (; j < 2; ++j) |
| 1457 | p_priv->out_urbs[j] = NULL; |
| 1458 | |
| 1459 | /* inack endpoint */ |
| 1460 | p_priv->inack_urb = keyspan_setup_urb |
| 1461 | (serial, d_details->inack_endpoints[i], USB_DIR_IN, |
| 1462 | port, p_priv->inack_buffer, 1, cback->inack_callback); |
| 1463 | |
| 1464 | /* outcont endpoint */ |
| 1465 | p_priv->outcont_urb = keyspan_setup_urb |
| 1466 | (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, |
| 1467 | port, p_priv->outcont_buffer, 64, |
| 1468 | cback->outcont_callback); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1469 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1470 | } |
| 1471 | |
| 1472 | /* usa19 function doesn't require prescaler */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1473 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
| 1474 | u32 baud_rate, u32 baudclk, u8 *rate_hi, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1475 | u8 *rate_low, u8 *prescaler, int portnum) |
| 1476 | { |
| 1477 | u32 b16, /* baud rate times 16 (actual rate used internally) */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1478 | div, /* divisor */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | cnt; /* inverse of divisor (programmed into 8051) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1480 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1481 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1483 | /* prevent divide by zero... */ |
| 1484 | b16 = baud_rate * 16L; |
| 1485 | if (b16 == 0) |
| 1486 | return KEYSPAN_INVALID_BAUD_RATE; |
| 1487 | /* Any "standard" rate over 57k6 is marginal on the USA-19 |
| 1488 | as we run out of divisor resolution. */ |
| 1489 | if (baud_rate > 57600) |
| 1490 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1492 | /* calculate the divisor and the counter (its inverse) */ |
| 1493 | div = baudclk / b16; |
| 1494 | if (div == 0) |
| 1495 | return KEYSPAN_INVALID_BAUD_RATE; |
| 1496 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1497 | cnt = 0 - div; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1498 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1499 | if (div > 0xffff) |
| 1500 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1501 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1502 | /* return the counter values if non-null */ |
| 1503 | if (rate_low) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1504 | *rate_low = (u8) (cnt & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1505 | if (rate_hi) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1506 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1507 | if (rate_low && rate_hi) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1508 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1509 | __func__, baud_rate, *rate_hi, *rate_low); |
| 1510 | return KEYSPAN_BAUD_RATE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | } |
| 1512 | |
| 1513 | /* usa19hs function doesn't require prescaler */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1514 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
| 1515 | u32 baud_rate, u32 baudclk, u8 *rate_hi, |
| 1516 | u8 *rate_low, u8 *prescaler, int portnum) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1517 | { |
| 1518 | u32 b16, /* baud rate times 16 (actual rate used internally) */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1519 | div; /* divisor */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1521 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1522 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1523 | /* prevent divide by zero... */ |
| 1524 | b16 = baud_rate * 16L; |
| 1525 | if (b16 == 0) |
| 1526 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1527 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1528 | /* calculate the divisor */ |
| 1529 | div = baudclk / b16; |
| 1530 | if (div == 0) |
| 1531 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1532 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1533 | if (div > 0xffff) |
| 1534 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1536 | /* return the counter values if non-null */ |
| 1537 | if (rate_low) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1538 | *rate_low = (u8) (div & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1539 | |
| 1540 | if (rate_hi) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1541 | *rate_hi = (u8) ((div >> 8) & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1542 | |
| 1543 | if (rate_low && rate_hi) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1544 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1545 | __func__, baud_rate, *rate_hi, *rate_low); |
| 1546 | |
| 1547 | return KEYSPAN_BAUD_RATE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1548 | } |
| 1549 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1550 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
| 1551 | u32 baud_rate, u32 baudclk, u8 *rate_hi, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1552 | u8 *rate_low, u8 *prescaler, int portnum) |
| 1553 | { |
| 1554 | u32 b16, /* baud rate times 16 (actual rate used internally) */ |
| 1555 | clk, /* clock with 13/8 prescaler */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1556 | div, /* divisor using 13/8 prescaler */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1557 | res, /* resulting baud rate using 13/8 prescaler */ |
| 1558 | diff, /* error using 13/8 prescaler */ |
| 1559 | smallest_diff; |
| 1560 | u8 best_prescaler; |
| 1561 | int i; |
| 1562 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1563 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1565 | /* prevent divide by zero */ |
| 1566 | b16 = baud_rate * 16L; |
| 1567 | if (b16 == 0) |
| 1568 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1569 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1570 | /* Calculate prescaler by trying them all and looking |
| 1571 | for best fit */ |
| 1572 | |
| 1573 | /* start with largest possible difference */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1574 | smallest_diff = 0xffffffff; |
| 1575 | |
| 1576 | /* 0 is an invalid prescaler, used as a flag */ |
| 1577 | best_prescaler = 0; |
| 1578 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1579 | for (i = 8; i <= 0xff; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1580 | clk = (baudclk * 8) / (u32) i; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1581 | |
| 1582 | div = clk / b16; |
| 1583 | if (div == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1584 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1585 | |
| 1586 | res = clk / div; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1587 | diff = (res > b16) ? (res-b16) : (b16-res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1588 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1589 | if (diff < smallest_diff) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1590 | best_prescaler = i; |
| 1591 | smallest_diff = diff; |
| 1592 | } |
| 1593 | } |
| 1594 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1595 | if (best_prescaler == 0) |
| 1596 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1597 | |
| 1598 | clk = (baudclk * 8) / (u32) best_prescaler; |
| 1599 | div = clk / b16; |
| 1600 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1601 | /* return the divisor and prescaler if non-null */ |
| 1602 | if (rate_low) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1603 | *rate_low = (u8) (div & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1604 | if (rate_hi) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1605 | *rate_hi = (u8) ((div >> 8) & 0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1606 | if (prescaler) { |
| 1607 | *prescaler = best_prescaler; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1608 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1609 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1610 | return KEYSPAN_BAUD_RATE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1611 | } |
| 1612 | |
| 1613 | /* USA-28 supports different maximum baud rates on each port */ |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1614 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
| 1615 | u32 baud_rate, u32 baudclk, u8 *rate_hi, |
| 1616 | u8 *rate_low, u8 *prescaler, int portnum) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1617 | { |
| 1618 | u32 b16, /* baud rate times 16 (actual rate used internally) */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1619 | div, /* divisor */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1620 | cnt; /* inverse of divisor (programmed into 8051) */ |
| 1621 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1622 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1623 | |
| 1624 | /* prevent divide by zero */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1625 | b16 = baud_rate * 16L; |
| 1626 | if (b16 == 0) |
| 1627 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1629 | /* calculate the divisor and the counter (its inverse) */ |
| 1630 | div = KEYSPAN_USA28_BAUDCLK / b16; |
| 1631 | if (div == 0) |
| 1632 | return KEYSPAN_INVALID_BAUD_RATE; |
| 1633 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1634 | cnt = 0 - div; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1635 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1636 | /* check for out of range, based on portnum, |
| 1637 | and return result */ |
| 1638 | if (portnum == 0) { |
| 1639 | if (div > 0xffff) |
| 1640 | return KEYSPAN_INVALID_BAUD_RATE; |
| 1641 | } else { |
| 1642 | if (portnum == 1) { |
| 1643 | if (div > 0xff) |
| 1644 | return KEYSPAN_INVALID_BAUD_RATE; |
| 1645 | } else |
| 1646 | return KEYSPAN_INVALID_BAUD_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | } |
| 1648 | |
| 1649 | /* return the counter values if not NULL |
| 1650 | (port 1 will ignore retHi) */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1651 | if (rate_low) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1652 | *rate_low = (u8) (cnt & 0xff); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1653 | if (rate_hi) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1655 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1656 | return KEYSPAN_BAUD_RATE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1657 | } |
| 1658 | |
| 1659 | static int keyspan_usa26_send_setup(struct usb_serial *serial, |
| 1660 | struct usb_serial_port *port, |
| 1661 | int reset_port) |
| 1662 | { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1663 | struct keyspan_usa26_portControlMessage msg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | struct keyspan_serial_private *s_priv; |
| 1665 | struct keyspan_port_private *p_priv; |
| 1666 | const struct keyspan_device_details *d_details; |
| 1667 | int outcont_urb; |
| 1668 | struct urb *this_urb; |
| 1669 | int device_port, err; |
| 1670 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1671 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1672 | |
| 1673 | s_priv = usb_get_serial_data(serial); |
| 1674 | p_priv = usb_get_serial_port_data(port); |
| 1675 | d_details = s_priv->device_details; |
| 1676 | device_port = port->number - port->serial->minor; |
| 1677 | |
| 1678 | outcont_urb = d_details->outcont_endpoints[port->number]; |
| 1679 | this_urb = p_priv->outcont_urb; |
| 1680 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1681 | dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1682 | |
| 1683 | /* Make sure we have an urb then send the message */ |
| 1684 | if (this_urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1685 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1686 | return -1; |
| 1687 | } |
| 1688 | |
| 1689 | /* Save reset port val for resend. |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1690 | Don't overwrite resend for open/close condition. */ |
| 1691 | if ((reset_port + 1) > p_priv->resend_cont) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1692 | p_priv->resend_cont = reset_port + 1; |
| 1693 | if (this_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1694 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | mdelay(5); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1696 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1697 | } |
| 1698 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1699 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
| 1700 | |
| 1701 | /* Only set baud rate if it's changed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1702 | if (p_priv->old_baud != p_priv->baud) { |
| 1703 | p_priv->old_baud = p_priv->baud; |
| 1704 | msg.setClocking = 0xff; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1705 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
| 1706 | &msg.baudHi, &msg.baudLo, &msg.prescaler, |
| 1707 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
| 1708 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", |
| 1709 | __func__, p_priv->baud); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1710 | msg.baudLo = 0; |
| 1711 | msg.baudHi = 125; /* Values for 9600 baud */ |
| 1712 | msg.prescaler = 10; |
| 1713 | } |
| 1714 | msg.setPrescaler = 0xff; |
| 1715 | } |
| 1716 | |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 1717 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1718 | switch (p_priv->cflag & CSIZE) { |
| 1719 | case CS5: |
| 1720 | msg.lcr |= USA_DATABITS_5; |
| 1721 | break; |
| 1722 | case CS6: |
| 1723 | msg.lcr |= USA_DATABITS_6; |
| 1724 | break; |
| 1725 | case CS7: |
| 1726 | msg.lcr |= USA_DATABITS_7; |
| 1727 | break; |
| 1728 | case CS8: |
| 1729 | msg.lcr |= USA_DATABITS_8; |
| 1730 | break; |
| 1731 | } |
| 1732 | if (p_priv->cflag & PARENB) { |
| 1733 | /* note USA_PARITY_NONE == 0 */ |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 1734 | msg.lcr |= (p_priv->cflag & PARODD) ? |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1735 | USA_PARITY_ODD : USA_PARITY_EVEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | } |
| 1737 | msg.setLcr = 0xff; |
| 1738 | |
| 1739 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); |
| 1740 | msg.xonFlowControl = 0; |
| 1741 | msg.setFlowControl = 0xff; |
| 1742 | msg.forwardingLength = 16; |
| 1743 | msg.xonChar = 17; |
| 1744 | msg.xoffChar = 19; |
| 1745 | |
| 1746 | /* Opening port */ |
| 1747 | if (reset_port == 1) { |
| 1748 | msg._txOn = 1; |
| 1749 | msg._txOff = 0; |
| 1750 | msg.txFlush = 0; |
| 1751 | msg.txBreak = 0; |
| 1752 | msg.rxOn = 1; |
| 1753 | msg.rxOff = 0; |
| 1754 | msg.rxFlush = 1; |
| 1755 | msg.rxForward = 0; |
| 1756 | msg.returnStatus = 0; |
| 1757 | msg.resetDataToggle = 0xff; |
| 1758 | } |
| 1759 | |
| 1760 | /* Closing port */ |
| 1761 | else if (reset_port == 2) { |
| 1762 | msg._txOn = 0; |
| 1763 | msg._txOff = 1; |
| 1764 | msg.txFlush = 0; |
| 1765 | msg.txBreak = 0; |
| 1766 | msg.rxOn = 0; |
| 1767 | msg.rxOff = 1; |
| 1768 | msg.rxFlush = 1; |
| 1769 | msg.rxForward = 0; |
| 1770 | msg.returnStatus = 0; |
| 1771 | msg.resetDataToggle = 0; |
| 1772 | } |
| 1773 | |
| 1774 | /* Sending intermediate configs */ |
| 1775 | else { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1776 | msg._txOn = (!p_priv->break_on); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1777 | msg._txOff = 0; |
| 1778 | msg.txFlush = 0; |
| 1779 | msg.txBreak = (p_priv->break_on); |
| 1780 | msg.rxOn = 0; |
| 1781 | msg.rxOff = 0; |
| 1782 | msg.rxFlush = 0; |
| 1783 | msg.rxForward = 0; |
| 1784 | msg.returnStatus = 0; |
| 1785 | msg.resetDataToggle = 0x0; |
| 1786 | } |
| 1787 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1788 | /* Do handshaking outputs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1789 | msg.setTxTriState_setRts = 0xff; |
| 1790 | msg.txTriState_rts = p_priv->rts_state; |
| 1791 | |
| 1792 | msg.setHskoa_setDtr = 0xff; |
| 1793 | msg.hskoa_dtr = p_priv->dtr_state; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1794 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1795 | p_priv->resend_cont = 0; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1796 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
| 1797 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1798 | /* send the data out the device on control endpoint */ |
| 1799 | this_urb->transfer_buffer_length = sizeof(msg); |
| 1800 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1801 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 1802 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1803 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1804 | #if 0 |
| 1805 | else { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1806 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__ |
| 1807 | outcont_urb, this_urb->transfer_buffer_length, |
| 1808 | usb_pipeendpoint(this_urb->pipe)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1809 | } |
| 1810 | #endif |
| 1811 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 1812 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1813 | } |
| 1814 | |
| 1815 | static int keyspan_usa28_send_setup(struct usb_serial *serial, |
| 1816 | struct usb_serial_port *port, |
| 1817 | int reset_port) |
| 1818 | { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1819 | struct keyspan_usa28_portControlMessage msg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | struct keyspan_serial_private *s_priv; |
| 1821 | struct keyspan_port_private *p_priv; |
| 1822 | const struct keyspan_device_details *d_details; |
| 1823 | struct urb *this_urb; |
| 1824 | int device_port, err; |
| 1825 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1826 | s_priv = usb_get_serial_data(serial); |
| 1827 | p_priv = usb_get_serial_port_data(port); |
| 1828 | d_details = s_priv->device_details; |
| 1829 | device_port = port->number - port->serial->minor; |
| 1830 | |
| 1831 | /* only do something if we have a bulk out endpoint */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1832 | this_urb = p_priv->outcont_urb; |
| 1833 | if (this_urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1834 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1835 | return -1; |
| 1836 | } |
| 1837 | |
| 1838 | /* Save reset port val for resend. |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1839 | Don't overwrite resend for open/close condition. */ |
| 1840 | if ((reset_port + 1) > p_priv->resend_cont) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1841 | p_priv->resend_cont = reset_port + 1; |
| 1842 | if (this_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1843 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1844 | mdelay(5); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1845 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1846 | } |
| 1847 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1848 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1849 | |
| 1850 | msg.setBaudRate = 1; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1851 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
| 1852 | &msg.baudHi, &msg.baudLo, NULL, |
| 1853 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
| 1854 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1855 | __func__, p_priv->baud); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1856 | msg.baudLo = 0xff; |
| 1857 | msg.baudHi = 0xb2; /* Values for 9600 baud */ |
| 1858 | } |
| 1859 | |
| 1860 | /* If parity is enabled, we must calculate it ourselves. */ |
| 1861 | msg.parity = 0; /* XXX for now */ |
| 1862 | |
| 1863 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); |
| 1864 | msg.xonFlowControl = 0; |
| 1865 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1866 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1867 | msg.rts = p_priv->rts_state; |
| 1868 | msg.dtr = p_priv->dtr_state; |
| 1869 | |
| 1870 | msg.forwardingLength = 16; |
| 1871 | msg.forwardMs = 10; |
| 1872 | msg.breakThreshold = 45; |
| 1873 | msg.xonChar = 17; |
| 1874 | msg.xoffChar = 19; |
| 1875 | |
| 1876 | /*msg.returnStatus = 1; |
| 1877 | msg.resetDataToggle = 0xff;*/ |
| 1878 | /* Opening port */ |
| 1879 | if (reset_port == 1) { |
| 1880 | msg._txOn = 1; |
| 1881 | msg._txOff = 0; |
| 1882 | msg.txFlush = 0; |
| 1883 | msg.txForceXoff = 0; |
| 1884 | msg.txBreak = 0; |
| 1885 | msg.rxOn = 1; |
| 1886 | msg.rxOff = 0; |
| 1887 | msg.rxFlush = 1; |
| 1888 | msg.rxForward = 0; |
| 1889 | msg.returnStatus = 0; |
| 1890 | msg.resetDataToggle = 0xff; |
| 1891 | } |
| 1892 | /* Closing port */ |
| 1893 | else if (reset_port == 2) { |
| 1894 | msg._txOn = 0; |
| 1895 | msg._txOff = 1; |
| 1896 | msg.txFlush = 0; |
| 1897 | msg.txForceXoff = 0; |
| 1898 | msg.txBreak = 0; |
| 1899 | msg.rxOn = 0; |
| 1900 | msg.rxOff = 1; |
| 1901 | msg.rxFlush = 1; |
| 1902 | msg.rxForward = 0; |
| 1903 | msg.returnStatus = 0; |
| 1904 | msg.resetDataToggle = 0; |
| 1905 | } |
| 1906 | /* Sending intermediate configs */ |
| 1907 | else { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1908 | msg._txOn = (!p_priv->break_on); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1909 | msg._txOff = 0; |
| 1910 | msg.txFlush = 0; |
| 1911 | msg.txForceXoff = 0; |
| 1912 | msg.txBreak = (p_priv->break_on); |
| 1913 | msg.rxOn = 0; |
| 1914 | msg.rxOff = 0; |
| 1915 | msg.rxFlush = 0; |
| 1916 | msg.rxForward = 0; |
| 1917 | msg.returnStatus = 0; |
| 1918 | msg.resetDataToggle = 0x0; |
| 1919 | } |
| 1920 | |
| 1921 | p_priv->resend_cont = 0; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1922 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1923 | |
| 1924 | /* send the data out the device on control endpoint */ |
| 1925 | this_urb->transfer_buffer_length = sizeof(msg); |
| 1926 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1927 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 1928 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1929 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1930 | #if 0 |
| 1931 | else { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1932 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) OK %d bytes\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1933 | this_urb->transfer_buffer_length); |
| 1934 | } |
| 1935 | #endif |
| 1936 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 1937 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1938 | } |
| 1939 | |
| 1940 | static int keyspan_usa49_send_setup(struct usb_serial *serial, |
| 1941 | struct usb_serial_port *port, |
| 1942 | int reset_port) |
| 1943 | { |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1944 | struct keyspan_usa49_portControlMessage msg; |
| 1945 | struct usb_ctrlrequest *dr = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1946 | struct keyspan_serial_private *s_priv; |
| 1947 | struct keyspan_port_private *p_priv; |
| 1948 | const struct keyspan_device_details *d_details; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1949 | struct urb *this_urb; |
| 1950 | int err, device_port; |
| 1951 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1952 | s_priv = usb_get_serial_data(serial); |
| 1953 | p_priv = usb_get_serial_port_data(port); |
| 1954 | d_details = s_priv->device_details; |
| 1955 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1956 | this_urb = s_priv->glocont_urb; |
| 1957 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1958 | /* Work out which port within the device is being setup */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1959 | device_port = port->number - port->serial->minor; |
| 1960 | |
Huzaifa Sidhpurwala | d866150 | 2011-02-21 12:58:44 +0530 | [diff] [blame] | 1961 | /* Make sure we have an urb then send the message */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1962 | if (this_urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1963 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1964 | return -1; |
| 1965 | } |
| 1966 | |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1967 | dev_dbg(&port->dev, "%s - endpoint %d port %d (%d)\n", |
| 1968 | __func__, usb_pipeendpoint(this_urb->pipe), |
| 1969 | port->number, device_port); |
Huzaifa Sidhpurwala | d866150 | 2011-02-21 12:58:44 +0530 | [diff] [blame] | 1970 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1971 | /* Save reset port val for resend. |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1972 | Don't overwrite resend for open/close condition. */ |
| 1973 | if ((reset_port + 1) > p_priv->resend_cont) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1974 | p_priv->resend_cont = reset_port + 1; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 1975 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1976 | if (this_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1977 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1978 | mdelay(5); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1979 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1980 | } |
| 1981 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1982 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1983 | |
| 1984 | /*msg.portNumber = port->number;*/ |
| 1985 | msg.portNumber = device_port; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 1986 | |
| 1987 | /* Only set baud rate if it's changed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1988 | if (p_priv->old_baud != p_priv->baud) { |
| 1989 | p_priv->old_baud = p_priv->baud; |
| 1990 | msg.setClocking = 0xff; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 1991 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
| 1992 | &msg.baudHi, &msg.baudLo, &msg.prescaler, |
| 1993 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
| 1994 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", |
| 1995 | __func__, p_priv->baud); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1996 | msg.baudLo = 0; |
| 1997 | msg.baudHi = 125; /* Values for 9600 baud */ |
| 1998 | msg.prescaler = 10; |
| 1999 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2000 | /* msg.setPrescaler = 0xff; */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2001 | } |
| 2002 | |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 2003 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2004 | switch (p_priv->cflag & CSIZE) { |
| 2005 | case CS5: |
| 2006 | msg.lcr |= USA_DATABITS_5; |
| 2007 | break; |
| 2008 | case CS6: |
| 2009 | msg.lcr |= USA_DATABITS_6; |
| 2010 | break; |
| 2011 | case CS7: |
| 2012 | msg.lcr |= USA_DATABITS_7; |
| 2013 | break; |
| 2014 | case CS8: |
| 2015 | msg.lcr |= USA_DATABITS_8; |
| 2016 | break; |
| 2017 | } |
| 2018 | if (p_priv->cflag & PARENB) { |
| 2019 | /* note USA_PARITY_NONE == 0 */ |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 2020 | msg.lcr |= (p_priv->cflag & PARODD) ? |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2021 | USA_PARITY_ODD : USA_PARITY_EVEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | } |
| 2023 | msg.setLcr = 0xff; |
| 2024 | |
| 2025 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); |
| 2026 | msg.xonFlowControl = 0; |
| 2027 | msg.setFlowControl = 0xff; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2028 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2029 | msg.forwardingLength = 16; |
| 2030 | msg.xonChar = 17; |
| 2031 | msg.xoffChar = 19; |
| 2032 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2033 | /* Opening port */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2034 | if (reset_port == 1) { |
| 2035 | msg._txOn = 1; |
| 2036 | msg._txOff = 0; |
| 2037 | msg.txFlush = 0; |
| 2038 | msg.txBreak = 0; |
| 2039 | msg.rxOn = 1; |
| 2040 | msg.rxOff = 0; |
| 2041 | msg.rxFlush = 1; |
| 2042 | msg.rxForward = 0; |
| 2043 | msg.returnStatus = 0; |
| 2044 | msg.resetDataToggle = 0xff; |
| 2045 | msg.enablePort = 1; |
| 2046 | msg.disablePort = 0; |
| 2047 | } |
| 2048 | /* Closing port */ |
| 2049 | else if (reset_port == 2) { |
| 2050 | msg._txOn = 0; |
| 2051 | msg._txOff = 1; |
| 2052 | msg.txFlush = 0; |
| 2053 | msg.txBreak = 0; |
| 2054 | msg.rxOn = 0; |
| 2055 | msg.rxOff = 1; |
| 2056 | msg.rxFlush = 1; |
| 2057 | msg.rxForward = 0; |
| 2058 | msg.returnStatus = 0; |
| 2059 | msg.resetDataToggle = 0; |
| 2060 | msg.enablePort = 0; |
| 2061 | msg.disablePort = 1; |
| 2062 | } |
| 2063 | /* Sending intermediate configs */ |
| 2064 | else { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2065 | msg._txOn = (!p_priv->break_on); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2066 | msg._txOff = 0; |
| 2067 | msg.txFlush = 0; |
| 2068 | msg.txBreak = (p_priv->break_on); |
| 2069 | msg.rxOn = 0; |
| 2070 | msg.rxOff = 0; |
| 2071 | msg.rxFlush = 0; |
| 2072 | msg.rxForward = 0; |
| 2073 | msg.returnStatus = 0; |
| 2074 | msg.resetDataToggle = 0x0; |
| 2075 | msg.enablePort = 0; |
| 2076 | msg.disablePort = 0; |
| 2077 | } |
| 2078 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2079 | /* Do handshaking outputs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2080 | msg.setRts = 0xff; |
| 2081 | msg.rts = p_priv->rts_state; |
| 2082 | |
| 2083 | msg.setDtr = 0xff; |
| 2084 | msg.dtr = p_priv->dtr_state; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2085 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2086 | p_priv->resend_cont = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2087 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2088 | /* if the device is a 49wg, we send control message on usb |
| 2089 | control EP 0 */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2090 | |
| 2091 | if (d_details->product_id == keyspan_usa49wg_product_id) { |
| 2092 | dr = (void *)(s_priv->ctrl_buf); |
| 2093 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; |
| 2094 | dr->bRequest = 0xB0; /* 49wg control message */; |
| 2095 | dr->wValue = 0; |
| 2096 | dr->wIndex = 0; |
| 2097 | dr->wLength = cpu_to_le16(sizeof(msg)); |
| 2098 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2099 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2100 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2101 | usb_fill_control_urb(this_urb, serial->dev, |
| 2102 | usb_sndctrlpipe(serial->dev, 0), |
| 2103 | (unsigned char *)dr, s_priv->glocont_buf, |
| 2104 | sizeof(msg), usa49_glocont_callback, serial); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2105 | |
| 2106 | } else { |
| 2107 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2108 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2109 | /* send the data out the device on control endpoint */ |
| 2110 | this_urb->transfer_buffer_length = sizeof(msg); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2111 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2112 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 2113 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2114 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2115 | #if 0 |
| 2116 | else { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2117 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__, |
| 2118 | outcont_urb, this_urb->transfer_buffer_length, |
| 2119 | usb_pipeendpoint(this_urb->pipe)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2120 | } |
| 2121 | #endif |
| 2122 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 2123 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | static int keyspan_usa90_send_setup(struct usb_serial *serial, |
| 2127 | struct usb_serial_port *port, |
| 2128 | int reset_port) |
| 2129 | { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2130 | struct keyspan_usa90_portControlMessage msg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2131 | struct keyspan_serial_private *s_priv; |
| 2132 | struct keyspan_port_private *p_priv; |
| 2133 | const struct keyspan_device_details *d_details; |
| 2134 | struct urb *this_urb; |
| 2135 | int err; |
| 2136 | u8 prescaler; |
| 2137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2138 | s_priv = usb_get_serial_data(serial); |
| 2139 | p_priv = usb_get_serial_port_data(port); |
| 2140 | d_details = s_priv->device_details; |
| 2141 | |
| 2142 | /* only do something if we have a bulk out endpoint */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2143 | this_urb = p_priv->outcont_urb; |
| 2144 | if (this_urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2145 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | return -1; |
| 2147 | } |
| 2148 | |
| 2149 | /* Save reset port val for resend. |
| 2150 | Don't overwrite resend for open/close condition. */ |
| 2151 | if ((reset_port + 1) > p_priv->resend_cont) |
| 2152 | p_priv->resend_cont = reset_port + 1; |
| 2153 | if (this_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2154 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2155 | mdelay(5); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2156 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2157 | } |
| 2158 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2159 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2161 | /* Only set baud rate if it's changed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2162 | if (p_priv->old_baud != p_priv->baud) { |
| 2163 | p_priv->old_baud = p_priv->baud; |
| 2164 | msg.setClocking = 0x01; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2165 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
| 2166 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { |
| 2167 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", |
| 2168 | __func__, p_priv->baud); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2169 | p_priv->baud = 9600; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2170 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2171 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
| 2172 | } |
| 2173 | msg.setRxMode = 1; |
| 2174 | msg.setTxMode = 1; |
| 2175 | } |
| 2176 | |
| 2177 | /* modes must always be correctly specified */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2178 | if (p_priv->baud > 57600) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2179 | msg.rxMode = RXMODE_DMA; |
| 2180 | msg.txMode = TXMODE_DMA; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2181 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2182 | msg.rxMode = RXMODE_BYHAND; |
| 2183 | msg.txMode = TXMODE_BYHAND; |
| 2184 | } |
| 2185 | |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 2186 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | switch (p_priv->cflag & CSIZE) { |
| 2188 | case CS5: |
| 2189 | msg.lcr |= USA_DATABITS_5; |
| 2190 | break; |
| 2191 | case CS6: |
| 2192 | msg.lcr |= USA_DATABITS_6; |
| 2193 | break; |
| 2194 | case CS7: |
| 2195 | msg.lcr |= USA_DATABITS_7; |
| 2196 | break; |
| 2197 | case CS8: |
| 2198 | msg.lcr |= USA_DATABITS_8; |
| 2199 | break; |
| 2200 | } |
| 2201 | if (p_priv->cflag & PARENB) { |
| 2202 | /* note USA_PARITY_NONE == 0 */ |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 2203 | msg.lcr |= (p_priv->cflag & PARODD) ? |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2204 | USA_PARITY_ODD : USA_PARITY_EVEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2205 | } |
| 2206 | if (p_priv->old_cflag != p_priv->cflag) { |
| 2207 | p_priv->old_cflag = p_priv->cflag; |
| 2208 | msg.setLcr = 0x01; |
| 2209 | } |
| 2210 | |
| 2211 | if (p_priv->flow_control == flow_cts) |
| 2212 | msg.txFlowControl = TXFLOW_CTS; |
| 2213 | msg.setTxFlowControl = 0x01; |
| 2214 | msg.setRxFlowControl = 0x01; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2215 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2216 | msg.rxForwardingLength = 16; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2217 | msg.rxForwardingTimeout = 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2218 | msg.txAckSetting = 0; |
| 2219 | msg.xonChar = 17; |
| 2220 | msg.xoffChar = 19; |
| 2221 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2222 | /* Opening port */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2223 | if (reset_port == 1) { |
| 2224 | msg.portEnabled = 1; |
| 2225 | msg.rxFlush = 1; |
| 2226 | msg.txBreak = (p_priv->break_on); |
| 2227 | } |
| 2228 | /* Closing port */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2229 | else if (reset_port == 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2230 | msg.portEnabled = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2231 | /* Sending intermediate configs */ |
| 2232 | else { |
Alan Stern | 1f87158 | 2010-02-17 10:05:47 -0500 | [diff] [blame] | 2233 | msg.portEnabled = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | msg.txBreak = (p_priv->break_on); |
| 2235 | } |
| 2236 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2237 | /* Do handshaking outputs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2238 | msg.setRts = 0x01; |
| 2239 | msg.rts = p_priv->rts_state; |
| 2240 | |
| 2241 | msg.setDtr = 0x01; |
| 2242 | msg.dtr = p_priv->dtr_state; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2243 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2244 | p_priv->resend_cont = 0; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2245 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
| 2246 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2247 | /* send the data out the device on control endpoint */ |
| 2248 | this_urb->transfer_buffer_length = sizeof(msg); |
| 2249 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2250 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 2251 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2252 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 2253 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2254 | } |
| 2255 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2256 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
| 2257 | struct usb_serial_port *port, |
| 2258 | int reset_port) |
| 2259 | { |
| 2260 | struct keyspan_usa67_portControlMessage msg; |
| 2261 | struct keyspan_serial_private *s_priv; |
| 2262 | struct keyspan_port_private *p_priv; |
| 2263 | const struct keyspan_device_details *d_details; |
| 2264 | struct urb *this_urb; |
| 2265 | int err, device_port; |
| 2266 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2267 | s_priv = usb_get_serial_data(serial); |
| 2268 | p_priv = usb_get_serial_port_data(port); |
| 2269 | d_details = s_priv->device_details; |
| 2270 | |
| 2271 | this_urb = s_priv->glocont_urb; |
| 2272 | |
| 2273 | /* Work out which port within the device is being setup */ |
| 2274 | device_port = port->number - port->serial->minor; |
| 2275 | |
| 2276 | /* Make sure we have an urb then send the message */ |
| 2277 | if (this_urb == NULL) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2278 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2279 | port->number); |
| 2280 | return -1; |
| 2281 | } |
| 2282 | |
| 2283 | /* Save reset port val for resend. |
| 2284 | Don't overwrite resend for open/close condition. */ |
| 2285 | if ((reset_port + 1) > p_priv->resend_cont) |
| 2286 | p_priv->resend_cont = reset_port + 1; |
| 2287 | if (this_urb->status == -EINPROGRESS) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2288 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2289 | mdelay(5); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2290 | return -1; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2291 | } |
| 2292 | |
| 2293 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); |
| 2294 | |
| 2295 | msg.port = device_port; |
| 2296 | |
| 2297 | /* Only set baud rate if it's changed */ |
| 2298 | if (p_priv->old_baud != p_priv->baud) { |
| 2299 | p_priv->old_baud = p_priv->baud; |
| 2300 | msg.setClocking = 0xff; |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2301 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
| 2302 | &msg.baudHi, &msg.baudLo, &msg.prescaler, |
| 2303 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
| 2304 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", |
| 2305 | __func__, p_priv->baud); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2306 | msg.baudLo = 0; |
| 2307 | msg.baudHi = 125; /* Values for 9600 baud */ |
| 2308 | msg.prescaler = 10; |
| 2309 | } |
| 2310 | msg.setPrescaler = 0xff; |
| 2311 | } |
| 2312 | |
| 2313 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
| 2314 | switch (p_priv->cflag & CSIZE) { |
| 2315 | case CS5: |
| 2316 | msg.lcr |= USA_DATABITS_5; |
| 2317 | break; |
| 2318 | case CS6: |
| 2319 | msg.lcr |= USA_DATABITS_6; |
| 2320 | break; |
| 2321 | case CS7: |
| 2322 | msg.lcr |= USA_DATABITS_7; |
| 2323 | break; |
| 2324 | case CS8: |
| 2325 | msg.lcr |= USA_DATABITS_8; |
| 2326 | break; |
| 2327 | } |
| 2328 | if (p_priv->cflag & PARENB) { |
| 2329 | /* note USA_PARITY_NONE == 0 */ |
Ben Minerds | 2b982ab | 2012-07-12 00:10:16 +1000 | [diff] [blame] | 2330 | msg.lcr |= (p_priv->cflag & PARODD) ? |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2331 | USA_PARITY_ODD : USA_PARITY_EVEN; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2332 | } |
| 2333 | msg.setLcr = 0xff; |
| 2334 | |
| 2335 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); |
| 2336 | msg.xonFlowControl = 0; |
| 2337 | msg.setFlowControl = 0xff; |
| 2338 | msg.forwardingLength = 16; |
| 2339 | msg.xonChar = 17; |
| 2340 | msg.xoffChar = 19; |
| 2341 | |
| 2342 | if (reset_port == 1) { |
| 2343 | /* Opening port */ |
| 2344 | msg._txOn = 1; |
| 2345 | msg._txOff = 0; |
| 2346 | msg.txFlush = 0; |
| 2347 | msg.txBreak = 0; |
| 2348 | msg.rxOn = 1; |
| 2349 | msg.rxOff = 0; |
| 2350 | msg.rxFlush = 1; |
| 2351 | msg.rxForward = 0; |
| 2352 | msg.returnStatus = 0; |
| 2353 | msg.resetDataToggle = 0xff; |
| 2354 | } else if (reset_port == 2) { |
| 2355 | /* Closing port */ |
| 2356 | msg._txOn = 0; |
| 2357 | msg._txOff = 1; |
| 2358 | msg.txFlush = 0; |
| 2359 | msg.txBreak = 0; |
| 2360 | msg.rxOn = 0; |
| 2361 | msg.rxOff = 1; |
| 2362 | msg.rxFlush = 1; |
| 2363 | msg.rxForward = 0; |
| 2364 | msg.returnStatus = 0; |
| 2365 | msg.resetDataToggle = 0; |
| 2366 | } else { |
| 2367 | /* Sending intermediate configs */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2368 | msg._txOn = (!p_priv->break_on); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2369 | msg._txOff = 0; |
| 2370 | msg.txFlush = 0; |
| 2371 | msg.txBreak = (p_priv->break_on); |
| 2372 | msg.rxOn = 0; |
| 2373 | msg.rxOff = 0; |
| 2374 | msg.rxFlush = 0; |
| 2375 | msg.rxForward = 0; |
| 2376 | msg.returnStatus = 0; |
| 2377 | msg.resetDataToggle = 0x0; |
| 2378 | } |
| 2379 | |
| 2380 | /* Do handshaking outputs */ |
| 2381 | msg.setTxTriState_setRts = 0xff; |
| 2382 | msg.txTriState_rts = p_priv->rts_state; |
| 2383 | |
| 2384 | msg.setHskoa_setDtr = 0xff; |
| 2385 | msg.hskoa_dtr = p_priv->dtr_state; |
| 2386 | |
| 2387 | p_priv->resend_cont = 0; |
| 2388 | |
| 2389 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
| 2390 | |
| 2391 | /* send the data out the device on control endpoint */ |
| 2392 | this_urb->transfer_buffer_length = sizeof(msg); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2393 | |
| 2394 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
| 2395 | if (err != 0) |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2396 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 2397 | return 0; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2398 | } |
| 2399 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2400 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
| 2401 | { |
| 2402 | struct usb_serial *serial = port->serial; |
| 2403 | struct keyspan_serial_private *s_priv; |
| 2404 | const struct keyspan_device_details *d_details; |
| 2405 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2406 | s_priv = usb_get_serial_data(serial); |
| 2407 | d_details = s_priv->device_details; |
| 2408 | |
| 2409 | switch (d_details->msg_format) { |
| 2410 | case msg_usa26: |
| 2411 | keyspan_usa26_send_setup(serial, port, reset_port); |
| 2412 | break; |
| 2413 | case msg_usa28: |
| 2414 | keyspan_usa28_send_setup(serial, port, reset_port); |
| 2415 | break; |
| 2416 | case msg_usa49: |
| 2417 | keyspan_usa49_send_setup(serial, port, reset_port); |
| 2418 | break; |
| 2419 | case msg_usa90: |
| 2420 | keyspan_usa90_send_setup(serial, port, reset_port); |
| 2421 | break; |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2422 | case msg_usa67: |
| 2423 | keyspan_usa67_send_setup(serial, port, reset_port); |
| 2424 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2425 | } |
| 2426 | } |
| 2427 | |
| 2428 | |
| 2429 | /* Gets called by the "real" driver (ie once firmware is loaded |
| 2430 | and renumeration has taken place. */ |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2431 | static int keyspan_startup(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2432 | { |
| 2433 | int i, err; |
| 2434 | struct usb_serial_port *port; |
| 2435 | struct keyspan_serial_private *s_priv; |
| 2436 | struct keyspan_port_private *p_priv; |
| 2437 | const struct keyspan_device_details *d_details; |
| 2438 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2439 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2440 | if (d_details->product_id == |
| 2441 | le16_to_cpu(serial->dev->descriptor.idProduct)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2442 | break; |
| 2443 | if (d_details == NULL) { |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2444 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
| 2445 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2446 | return 1; |
| 2447 | } |
| 2448 | |
| 2449 | /* Setup private data for serial driver */ |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 2450 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2451 | if (!s_priv) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2452 | dev_dbg(&serial->dev->dev, "%s - kmalloc for keyspan_serial_private failed.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2453 | return -ENOMEM; |
| 2454 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2455 | |
| 2456 | s_priv->device_details = d_details; |
| 2457 | usb_set_serial_data(serial, s_priv); |
| 2458 | |
| 2459 | /* Now setup per port private data */ |
| 2460 | for (i = 0; i < serial->num_ports; i++) { |
| 2461 | port = serial->port[i]; |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2462 | p_priv = kzalloc(sizeof(struct keyspan_port_private), |
| 2463 | GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2464 | if (!p_priv) { |
Greg Kroah-Hartman | 049c6b4 | 2012-09-14 16:30:23 -0700 | [diff] [blame] | 2465 | dev_dbg(&port->dev, "%s - kmalloc for keyspan_port_private (%d) failed!.\n", __func__, i); |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2466 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2467 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2468 | p_priv->device_details = d_details; |
| 2469 | usb_set_serial_port_data(port, p_priv); |
| 2470 | } |
| 2471 | |
| 2472 | keyspan_setup_urbs(serial); |
| 2473 | |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2474 | if (s_priv->instat_urb != NULL) { |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2475 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
| 2476 | if (err != 0) |
Greg Kroah-Hartman | 7ebcb33 | 2012-09-14 16:34:21 -0700 | [diff] [blame^] | 2477 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2478 | } |
| 2479 | if (s_priv->indat_urb != NULL) { |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2480 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
| 2481 | if (err != 0) |
Greg Kroah-Hartman | 7ebcb33 | 2012-09-14 16:34:21 -0700 | [diff] [blame^] | 2482 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2483 | } |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2484 | |
Alan Cox | a5b6f60 | 2008-04-08 17:16:06 +0100 | [diff] [blame] | 2485 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2486 | } |
| 2487 | |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 2488 | static void keyspan_disconnect(struct usb_serial *serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2489 | { |
| 2490 | int i, j; |
| 2491 | struct usb_serial_port *port; |
| 2492 | struct keyspan_serial_private *s_priv; |
| 2493 | struct keyspan_port_private *p_priv; |
| 2494 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2495 | s_priv = usb_get_serial_data(serial); |
| 2496 | |
| 2497 | /* Stop reading/writing urbs */ |
| 2498 | stop_urb(s_priv->instat_urb); |
| 2499 | stop_urb(s_priv->glocont_urb); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2500 | stop_urb(s_priv->indat_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2501 | for (i = 0; i < serial->num_ports; ++i) { |
| 2502 | port = serial->port[i]; |
| 2503 | p_priv = usb_get_serial_port_data(port); |
| 2504 | stop_urb(p_priv->inack_urb); |
| 2505 | stop_urb(p_priv->outcont_urb); |
| 2506 | for (j = 0; j < 2; j++) { |
| 2507 | stop_urb(p_priv->in_urbs[j]); |
| 2508 | stop_urb(p_priv->out_urbs[j]); |
| 2509 | } |
| 2510 | } |
| 2511 | |
| 2512 | /* Now free them */ |
Mariusz Kozlowski | 1cadc13 | 2006-11-08 15:36:34 +0100 | [diff] [blame] | 2513 | usb_free_urb(s_priv->instat_urb); |
Lucy McCoy | 0ca1268 | 2007-05-18 12:10:41 -0700 | [diff] [blame] | 2514 | usb_free_urb(s_priv->indat_urb); |
Mariusz Kozlowski | 1cadc13 | 2006-11-08 15:36:34 +0100 | [diff] [blame] | 2515 | usb_free_urb(s_priv->glocont_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2516 | for (i = 0; i < serial->num_ports; ++i) { |
| 2517 | port = serial->port[i]; |
| 2518 | p_priv = usb_get_serial_port_data(port); |
Mariusz Kozlowski | 1cadc13 | 2006-11-08 15:36:34 +0100 | [diff] [blame] | 2519 | usb_free_urb(p_priv->inack_urb); |
| 2520 | usb_free_urb(p_priv->outcont_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2521 | for (j = 0; j < 2; j++) { |
Mariusz Kozlowski | 1cadc13 | 2006-11-08 15:36:34 +0100 | [diff] [blame] | 2522 | usb_free_urb(p_priv->in_urbs[j]); |
| 2523 | usb_free_urb(p_priv->out_urbs[j]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2524 | } |
| 2525 | } |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 2526 | } |
| 2527 | |
| 2528 | static void keyspan_release(struct usb_serial *serial) |
| 2529 | { |
| 2530 | int i; |
| 2531 | struct usb_serial_port *port; |
| 2532 | struct keyspan_serial_private *s_priv; |
| 2533 | |
Alan Stern | f9c99bb | 2009-06-02 11:53:55 -0400 | [diff] [blame] | 2534 | s_priv = usb_get_serial_data(serial); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2535 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2536 | kfree(s_priv); |
| 2537 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2538 | /* Now free per port private data */ |
| 2539 | for (i = 0; i < serial->num_ports; i++) { |
| 2540 | port = serial->port[i]; |
| 2541 | kfree(usb_get_serial_port_data(port)); |
| 2542 | } |
| 2543 | } |
| 2544 | |
Alan Cox | deb9168 | 2008-07-22 11:13:08 +0100 | [diff] [blame] | 2545 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 2546 | MODULE_DESCRIPTION(DRIVER_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2547 | MODULE_LICENSE("GPL"); |
| 2548 | |
David Woodhouse | 2971c57 | 2008-05-30 14:04:03 +0300 | [diff] [blame] | 2549 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
| 2550 | MODULE_FIRMWARE("keyspan/usa28x.fw"); |
| 2551 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); |
| 2552 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); |
| 2553 | MODULE_FIRMWARE("keyspan/usa19.fw"); |
| 2554 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); |
| 2555 | MODULE_FIRMWARE("keyspan/mpr.fw"); |
| 2556 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); |
| 2557 | MODULE_FIRMWARE("keyspan/usa18x.fw"); |
| 2558 | MODULE_FIRMWARE("keyspan/usa19w.fw"); |
| 2559 | MODULE_FIRMWARE("keyspan/usa49w.fw"); |
| 2560 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |
| 2561 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2562 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 2563 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |
| 2564 | |