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Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
deb91685 | 3 | |
1da177e4 LT |
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 6 | |
1da177e4 LT |
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 | ||
631dd1a8 | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 13 | |
1da177e4 LT |
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 :) | |
deb91685 | 20 | |
1da177e4 LT |
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 | |
deb91685 AC |
24 | stuff. |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 LT |
27 | staff in their work on open source projects. |
28 | ||
29 | Change History | |
30 | ||
31 | 2003sep04 LPM (Keyspan) add support for new single port product USA19HS. | |
32 | Improve setup message handling for all devices. | |
33 | ||
34 | Wed Feb 19 22:00:00 PST 2003 (Jeffrey S. Laing <keyspan@jsl.com>) | |
35 | Merged the current (1/31/03) Keyspan code with the current (2.4.21-pre4) | |
36 | Linux source tree. The Linux tree lacked support for the 49WLC and | |
37 | others. The Keyspan patches didn't work with the current kernel. | |
38 | ||
39 | 2003jan30 LPM add support for the 49WLC and MPR | |
40 | ||
41 | Wed Apr 25 12:00:00 PST 2002 (Keyspan) | |
42 | Started with Hugh Blemings' code dated Jan 17, 2002. All adapters | |
43 | now supported (including QI and QW). Modified port open, port | |
44 | close, and send setup() logic to fix various data and endpoint | |
45 | synchronization bugs and device LED status bugs. Changed keyspan_ | |
46 | write_room() to accurately return transmit buffer availability. | |
47 | Changed forwardingLength from 1 to 16 for all adapters. | |
48 | ||
49 | Fri Oct 12 16:45:00 EST 2001 | |
50 | Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) | |
51 | ||
52 | Wed Apr 25 12:00:00 PST 2002 (Keyspan) | |
53 | Started with Hugh Blemings' code dated Jan 17, 2002. All adapters | |
54 | now supported (including QI and QW). Modified port open, port | |
55 | close, and send setup() logic to fix various data and endpoint | |
56 | synchronization bugs and device LED status bugs. Changed keyspan_ | |
57 | write_room() to accurately return transmit buffer availability. | |
58 | Changed forwardingLength from 1 to 16 for all adapters. | |
59 | ||
60 | Fri Oct 12 16:45:00 EST 2001 | |
61 | Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) | |
62 | ||
63 | Mon Oct 8 14:29:00 EST 2001 hugh | |
64 | Fixed bug that prevented mulitport devices operating correctly | |
65 | if they weren't the first unit attached. | |
66 | ||
67 | Sat Oct 6 12:31:21 EST 2001 hugh | |
68 | Added support for USA-28XA and -28XB, misc cleanups, break support | |
69 | for usa26 based models thanks to David Gibson. | |
70 | ||
71 | Thu May 31 11:56:42 PDT 2001 gkh | |
72 | switched from using spinlock to a semaphore | |
deb91685 | 73 | |
1da177e4 LT |
74 | (04/08/2001) gb |
75 | Identify version on module load. | |
deb91685 | 76 | |
1da177e4 LT |
77 | (11/01/2000) Adam J. Richter |
78 | usb_device_id table support. | |
deb91685 | 79 | |
1da177e4 LT |
80 | Tue Oct 10 23:15:33 EST 2000 Hugh |
81 | Merged Paul's changes with my USA-49W mods. Work in progress | |
82 | still... | |
deb91685 | 83 | |
1da177e4 LT |
84 | Wed Jul 19 14:00:42 EST 2000 gkh |
85 | Added module_init and module_exit functions to handle the fact that | |
86 | this driver is a loadable module now. | |
deb91685 | 87 | |
1da177e4 LT |
88 | Tue Jul 18 16:14:52 EST 2000 Hugh |
89 | Basic character input/output for USA-19 now mostly works, | |
90 | fixed at 9600 baud for the moment. | |
91 | ||
92 | Sat Jul 8 11:11:48 EST 2000 Hugh | |
93 | First public release - nothing works except the firmware upload. | |
94 | Tested on PPC and x86 architectures, seems to behave... | |
95 | */ | |
96 | ||
97 | ||
1da177e4 LT |
98 | #include <linux/kernel.h> |
99 | #include <linux/jiffies.h> | |
100 | #include <linux/errno.h> | |
101 | #include <linux/init.h> | |
102 | #include <linux/slab.h> | |
103 | #include <linux/tty.h> | |
104 | #include <linux/tty_driver.h> | |
105 | #include <linux/tty_flip.h> | |
106 | #include <linux/module.h> | |
107 | #include <linux/spinlock.h> | |
2971c579 DW |
108 | #include <linux/firmware.h> |
109 | #include <linux/ihex.h> | |
deb91685 | 110 | #include <linux/uaccess.h> |
1da177e4 | 111 | #include <linux/usb.h> |
a969888c | 112 | #include <linux/usb/serial.h> |
1da177e4 LT |
113 | #include "keyspan.h" |
114 | ||
115 | static int debug; | |
116 | ||
117 | /* | |
118 | * Version Information | |
119 | */ | |
0ca1268e | 120 | #define DRIVER_VERSION "v1.1.5" |
1da177e4 LT |
121 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
122 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
123 | ||
124 | #define INSTAT_BUFLEN 32 | |
125 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 126 | #define INDAT49W_BUFLEN 512 |
1da177e4 LT |
127 | |
128 | /* Per device and per port private data */ | |
129 | struct keyspan_serial_private { | |
130 | const struct keyspan_device_details *device_details; | |
131 | ||
132 | struct urb *instat_urb; | |
133 | char instat_buf[INSTAT_BUFLEN]; | |
134 | ||
deb91685 AC |
135 | /* added to support 49wg, where data from all 4 ports comes in |
136 | on 1 EP and high-speed supported */ | |
0ca1268e LM |
137 | struct urb *indat_urb; |
138 | char indat_buf[INDAT49W_BUFLEN]; | |
139 | ||
1da177e4 LT |
140 | /* XXX this one probably will need a lock */ |
141 | struct urb *glocont_urb; | |
142 | char glocont_buf[GLOCONT_BUFLEN]; | |
deb91685 | 143 | char ctrl_buf[8]; /* for EP0 control message */ |
1da177e4 LT |
144 | }; |
145 | ||
146 | struct keyspan_port_private { | |
147 | /* Keep track of which input & output endpoints to use */ | |
148 | int in_flip; | |
149 | int out_flip; | |
150 | ||
151 | /* Keep duplicate of device details in each port | |
152 | structure as well - simplifies some of the | |
153 | callback functions etc. */ | |
154 | const struct keyspan_device_details *device_details; | |
155 | ||
156 | /* Input endpoints and buffer for this port */ | |
157 | struct urb *in_urbs[2]; | |
158 | char in_buffer[2][64]; | |
159 | /* Output endpoints and buffer for this port */ | |
160 | struct urb *out_urbs[2]; | |
161 | char out_buffer[2][64]; | |
162 | ||
163 | /* Input ack endpoint */ | |
164 | struct urb *inack_urb; | |
165 | char inack_buffer[1]; | |
166 | ||
167 | /* Output control endpoint */ | |
168 | struct urb *outcont_urb; | |
169 | char outcont_buffer[64]; | |
170 | ||
171 | /* Settings for the port */ | |
172 | int baud; | |
173 | int old_baud; | |
174 | unsigned int cflag; | |
175 | unsigned int old_cflag; | |
176 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
177 | int rts_state; /* Handshaking pins (outputs) */ | |
178 | int dtr_state; | |
179 | int cts_state; /* Handshaking pins (inputs) */ | |
180 | int dsr_state; | |
181 | int dcd_state; | |
182 | int ri_state; | |
183 | int break_on; | |
184 | ||
185 | unsigned long tx_start_time[2]; | |
186 | int resend_cont; /* need to resend control packet */ | |
187 | }; | |
188 | ||
1da177e4 | 189 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 190 | make use of one of five message formats which are referred |
deb91685 AC |
191 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
192 | within this driver. */ | |
1da177e4 LT |
193 | #include "keyspan_usa26msg.h" |
194 | #include "keyspan_usa28msg.h" | |
195 | #include "keyspan_usa49msg.h" | |
196 | #include "keyspan_usa90msg.h" | |
0ca1268e | 197 | #include "keyspan_usa67msg.h" |
deb91685 | 198 | |
1da177e4 LT |
199 | |
200 | /* Functions used by new usb-serial code. */ | |
deb91685 | 201 | static int __init keyspan_init(void) |
1da177e4 LT |
202 | { |
203 | int retval; | |
204 | retval = usb_serial_register(&keyspan_pre_device); | |
205 | if (retval) | |
206 | goto failed_pre_device_register; | |
207 | retval = usb_serial_register(&keyspan_1port_device); | |
208 | if (retval) | |
209 | goto failed_1port_device_register; | |
210 | retval = usb_serial_register(&keyspan_2port_device); | |
211 | if (retval) | |
212 | goto failed_2port_device_register; | |
213 | retval = usb_serial_register(&keyspan_4port_device); | |
214 | if (retval) | |
215 | goto failed_4port_device_register; | |
216 | retval = usb_register(&keyspan_driver); | |
deb91685 | 217 | if (retval) |
1da177e4 LT |
218 | goto failed_usb_register; |
219 | ||
c197a8db GKH |
220 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
221 | DRIVER_DESC "\n"); | |
1da177e4 LT |
222 | |
223 | return 0; | |
224 | failed_usb_register: | |
225 | usb_serial_deregister(&keyspan_4port_device); | |
226 | failed_4port_device_register: | |
227 | usb_serial_deregister(&keyspan_2port_device); | |
228 | failed_2port_device_register: | |
229 | usb_serial_deregister(&keyspan_1port_device); | |
230 | failed_1port_device_register: | |
231 | usb_serial_deregister(&keyspan_pre_device); | |
232 | failed_pre_device_register: | |
233 | return retval; | |
234 | } | |
235 | ||
deb91685 | 236 | static void __exit keyspan_exit(void) |
1da177e4 | 237 | { |
deb91685 AC |
238 | usb_deregister(&keyspan_driver); |
239 | usb_serial_deregister(&keyspan_pre_device); | |
240 | usb_serial_deregister(&keyspan_1port_device); | |
241 | usb_serial_deregister(&keyspan_2port_device); | |
242 | usb_serial_deregister(&keyspan_4port_device); | |
1da177e4 LT |
243 | } |
244 | ||
245 | module_init(keyspan_init); | |
246 | module_exit(keyspan_exit); | |
247 | ||
95da310e | 248 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 249 | { |
95da310e | 250 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
251 | struct keyspan_port_private *p_priv; |
252 | ||
deb91685 | 253 | dbg("%s", __func__); |
1da177e4 LT |
254 | |
255 | p_priv = usb_get_serial_port_data(port); | |
256 | ||
257 | if (break_state == -1) | |
258 | p_priv->break_on = 1; | |
259 | else | |
260 | p_priv->break_on = 0; | |
261 | ||
262 | keyspan_send_setup(port, 0); | |
263 | } | |
264 | ||
265 | ||
deb91685 | 266 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 267 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
268 | { |
269 | int baud_rate, device_port; | |
270 | struct keyspan_port_private *p_priv; | |
271 | const struct keyspan_device_details *d_details; | |
272 | unsigned int cflag; | |
273 | ||
441b62c1 | 274 | dbg("%s", __func__); |
1da177e4 LT |
275 | |
276 | p_priv = usb_get_serial_port_data(port); | |
277 | d_details = p_priv->device_details; | |
74240b07 | 278 | cflag = tty->termios->c_cflag; |
1da177e4 LT |
279 | device_port = port->number - port->serial->minor; |
280 | ||
281 | /* Baud rate calculation takes baud rate as an integer | |
282 | so other rates can be generated if desired. */ | |
74240b07 | 283 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 284 | /* If no match or invalid, don't change */ |
74240b07 | 285 | if (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, |
1da177e4 LT |
286 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
287 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 288 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 289 | p_priv->baud = baud_rate; |
74240b07 AC |
290 | } else |
291 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 292 | |
74240b07 | 293 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
294 | /* set CTS/RTS handshake etc. */ |
295 | p_priv->cflag = cflag; | |
296 | p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; | |
297 | ||
74240b07 AC |
298 | /* Mark/Space not supported */ |
299 | tty->termios->c_cflag &= ~CMSPAR; | |
300 | ||
1da177e4 LT |
301 | keyspan_send_setup(port, 0); |
302 | } | |
303 | ||
95da310e | 304 | static int keyspan_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 305 | { |
95da310e AC |
306 | struct usb_serial_port *port = tty->driver_data; |
307 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 308 | unsigned int value; |
deb91685 | 309 | |
1da177e4 LT |
310 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
311 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
312 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
313 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
314 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 315 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
316 | |
317 | return value; | |
318 | } | |
319 | ||
95da310e | 320 | static int keyspan_tiocmset(struct tty_struct *tty, struct file *file, |
1da177e4 LT |
321 | unsigned int set, unsigned int clear) |
322 | { | |
95da310e AC |
323 | struct usb_serial_port *port = tty->driver_data; |
324 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 325 | |
1da177e4 LT |
326 | if (set & TIOCM_RTS) |
327 | p_priv->rts_state = 1; | |
328 | if (set & TIOCM_DTR) | |
329 | p_priv->dtr_state = 1; | |
1da177e4 LT |
330 | if (clear & TIOCM_RTS) |
331 | p_priv->rts_state = 0; | |
332 | if (clear & TIOCM_DTR) | |
333 | p_priv->dtr_state = 0; | |
334 | keyspan_send_setup(port, 0); | |
335 | return 0; | |
336 | } | |
337 | ||
95da310e AC |
338 | /* Write function is similar for the four protocols used |
339 | with only a minor change for usa90 (usa19hs) required */ | |
340 | static int keyspan_write(struct tty_struct *tty, | |
341 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
342 | { |
343 | struct keyspan_port_private *p_priv; | |
344 | const struct keyspan_device_details *d_details; | |
345 | int flip; | |
346 | int left, todo; | |
347 | struct urb *this_urb; | |
deb91685 | 348 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
349 | |
350 | p_priv = usb_get_serial_port_data(port); | |
351 | d_details = p_priv->device_details; | |
352 | ||
353 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 354 | maxDataLen = 64; |
1da177e4 LT |
355 | dataOffset = 0; |
356 | } else { | |
357 | maxDataLen = 63; | |
358 | dataOffset = 1; | |
359 | } | |
deb91685 | 360 | |
1da177e4 | 361 | dbg("%s - for port %d (%d chars), flip=%d", |
441b62c1 | 362 | __func__, port->number, count, p_priv->out_flip); |
1da177e4 LT |
363 | |
364 | for (left = count; left > 0; left -= todo) { | |
365 | todo = left; | |
366 | if (todo > maxDataLen) | |
367 | todo = maxDataLen; | |
368 | ||
369 | flip = p_priv->out_flip; | |
deb91685 | 370 | |
1da177e4 | 371 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
372 | this_urb = p_priv->out_urbs[flip]; |
373 | if (this_urb == NULL) { | |
1da177e4 | 374 | /* no bulk out, so return 0 bytes written */ |
441b62c1 | 375 | dbg("%s - no output urb :(", __func__); |
1da177e4 LT |
376 | return count; |
377 | } | |
378 | ||
deb91685 AC |
379 | dbg("%s - endpoint %d flip %d", |
380 | __func__, usb_pipeendpoint(this_urb->pipe), flip); | |
1da177e4 LT |
381 | |
382 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
383 | if (time_before(jiffies, |
384 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 385 | break; |
1da177e4 LT |
386 | usb_unlink_urb(this_urb); |
387 | break; | |
388 | } | |
389 | ||
deb91685 AC |
390 | /* First byte in buffer is "last flag" (except for usa19hx) |
391 | - unused so for now so set to zero */ | |
1da177e4 LT |
392 | ((char *)this_urb->transfer_buffer)[0] = 0; |
393 | ||
deb91685 | 394 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
395 | buf += todo; |
396 | ||
397 | /* send the data out the bulk port */ | |
398 | this_urb->transfer_buffer_length = todo + dataOffset; | |
399 | ||
1da177e4 | 400 | this_urb->dev = port->serial->dev; |
deb91685 AC |
401 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
402 | if (err != 0) | |
1da177e4 | 403 | dbg("usb_submit_urb(write bulk) failed (%d)", err); |
1da177e4 LT |
404 | p_priv->tx_start_time[flip] = jiffies; |
405 | ||
406 | /* Flip for next time if usa26 or usa28 interface | |
407 | (not used on usa49) */ | |
408 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
409 | } | |
410 | ||
411 | return count - left; | |
412 | } | |
413 | ||
7d12e780 | 414 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
415 | { |
416 | int i, err; | |
417 | int endpoint; | |
418 | struct usb_serial_port *port; | |
419 | struct tty_struct *tty; | |
420 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 421 | int status = urb->status; |
1da177e4 | 422 | |
deb91685 | 423 | dbg("%s", __func__); |
1da177e4 LT |
424 | |
425 | endpoint = usb_pipeendpoint(urb->pipe); | |
426 | ||
95b93454 | 427 | if (status) { |
1da177e4 | 428 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 429 | __func__, status, endpoint); |
1da177e4 LT |
430 | return; |
431 | } | |
432 | ||
cdc97792 | 433 | port = urb->context; |
4a90f09b | 434 | tty = tty_port_tty_get(&port->port); |
a5569a56 | 435 | if (tty && urb->actual_length) { |
1da177e4 LT |
436 | /* 0x80 bit is error flag */ |
437 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
438 | /* no errors on individual bytes, only |
439 | possible overrun err */ | |
1da177e4 | 440 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
441 | err = TTY_OVERRUN; |
442 | else | |
443 | err = 0; | |
444 | for (i = 1; i < urb->actual_length ; ++i) | |
1da177e4 | 445 | tty_insert_flip_char(tty, data[i], err); |
1da177e4 LT |
446 | } else { |
447 | /* some bytes had errors, every byte has status */ | |
441b62c1 | 448 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
449 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
450 | int stat = data[i], flag = 0; | |
451 | if (stat & RXERROR_OVERRUN) | |
452 | flag |= TTY_OVERRUN; | |
453 | if (stat & RXERROR_FRAMING) | |
454 | flag |= TTY_FRAME; | |
455 | if (stat & RXERROR_PARITY) | |
456 | flag |= TTY_PARITY; | |
457 | /* XXX should handle break (0x10) */ | |
458 | tty_insert_flip_char(tty, data[i+1], flag); | |
459 | } | |
460 | } | |
461 | tty_flip_buffer_push(tty); | |
462 | } | |
4a90f09b | 463 | tty_kref_put(tty); |
deb91685 AC |
464 | |
465 | /* Resubmit urb so we continue receiving */ | |
1da177e4 | 466 | urb->dev = port->serial->dev; |
1f87158e AS |
467 | err = usb_submit_urb(urb, GFP_ATOMIC); |
468 | if (err != 0) | |
469 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
470 | } |
471 | ||
deb91685 | 472 | /* Outdat handling is common for all devices */ |
7d12e780 | 473 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
474 | { |
475 | struct usb_serial_port *port; | |
476 | struct keyspan_port_private *p_priv; | |
477 | ||
cdc97792 | 478 | port = urb->context; |
1da177e4 | 479 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 480 | dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 481 | |
1f87158e | 482 | usb_serial_port_softint(port); |
1da177e4 LT |
483 | } |
484 | ||
7d12e780 | 485 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 486 | { |
deb91685 AC |
487 | dbg("%s", __func__); |
488 | ||
1da177e4 LT |
489 | } |
490 | ||
7d12e780 | 491 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
492 | { |
493 | struct usb_serial_port *port; | |
494 | struct keyspan_port_private *p_priv; | |
495 | ||
cdc97792 | 496 | port = urb->context; |
1da177e4 LT |
497 | p_priv = usb_get_serial_port_data(port); |
498 | ||
499 | if (p_priv->resend_cont) { | |
deb91685 AC |
500 | dbg("%s - sending setup", __func__); |
501 | keyspan_usa26_send_setup(port->serial, port, | |
502 | p_priv->resend_cont - 1); | |
1da177e4 LT |
503 | } |
504 | } | |
505 | ||
7d12e780 | 506 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
507 | { |
508 | unsigned char *data = urb->transfer_buffer; | |
509 | struct keyspan_usa26_portStatusMessage *msg; | |
510 | struct usb_serial *serial; | |
511 | struct usb_serial_port *port; | |
512 | struct keyspan_port_private *p_priv; | |
4a90f09b | 513 | struct tty_struct *tty; |
1da177e4 | 514 | int old_dcd_state, err; |
95b93454 | 515 | int status = urb->status; |
1da177e4 | 516 | |
cdc97792 | 517 | serial = urb->context; |
1da177e4 | 518 | |
95b93454 | 519 | if (status) { |
441b62c1 | 520 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
521 | return; |
522 | } | |
523 | if (urb->actual_length != 9) { | |
441b62c1 | 524 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
525 | goto exit; |
526 | } | |
527 | ||
528 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
529 | ||
530 | #if 0 | |
531 | dbg("%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
441b62c1 | 532 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, msg->ri, msg->_txOff, |
1da177e4 LT |
533 | msg->_txXoff, msg->rxEnabled, msg->controlResponse); |
534 | #endif | |
535 | ||
536 | /* Now do something useful with the data */ | |
537 | ||
538 | ||
deb91685 | 539 | /* Check port number from message and retrieve private data */ |
1da177e4 | 540 | if (msg->port >= serial->num_ports) { |
deb91685 | 541 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
542 | goto exit; |
543 | } | |
544 | port = serial->port[msg->port]; | |
545 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 546 | |
1da177e4 LT |
547 | /* Update handshaking pin state information */ |
548 | old_dcd_state = p_priv->dcd_state; | |
549 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
550 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
551 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
552 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
553 | ||
4a90f09b AC |
554 | if (old_dcd_state != p_priv->dcd_state) { |
555 | tty = tty_port_tty_get(&port->port); | |
556 | if (tty && !C_CLOCAL(tty)) | |
557 | tty_hangup(tty); | |
558 | tty_kref_put(tty); | |
1da177e4 | 559 | } |
deb91685 | 560 | |
1da177e4 LT |
561 | /* Resubmit urb so we continue receiving */ |
562 | urb->dev = serial->dev; | |
deb91685 AC |
563 | err = usb_submit_urb(urb, GFP_ATOMIC); |
564 | if (err != 0) | |
441b62c1 | 565 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
566 | exit: ; |
567 | } | |
568 | ||
7d12e780 | 569 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 570 | { |
deb91685 | 571 | dbg("%s", __func__); |
1da177e4 LT |
572 | } |
573 | ||
574 | ||
7d12e780 | 575 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 576 | { |
f035a8ad | 577 | int err; |
1da177e4 LT |
578 | struct usb_serial_port *port; |
579 | struct tty_struct *tty; | |
580 | unsigned char *data; | |
581 | struct keyspan_port_private *p_priv; | |
95b93454 | 582 | int status = urb->status; |
1da177e4 | 583 | |
deb91685 | 584 | dbg("%s", __func__); |
1da177e4 | 585 | |
cdc97792 | 586 | port = urb->context; |
1da177e4 LT |
587 | p_priv = usb_get_serial_port_data(port); |
588 | data = urb->transfer_buffer; | |
589 | ||
590 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
591 | return; | |
592 | ||
593 | do { | |
95b93454 | 594 | if (status) { |
1da177e4 | 595 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 596 | __func__, status, usb_pipeendpoint(urb->pipe)); |
1da177e4 LT |
597 | return; |
598 | } | |
599 | ||
cdc97792 | 600 | port = urb->context; |
1da177e4 LT |
601 | p_priv = usb_get_serial_port_data(port); |
602 | data = urb->transfer_buffer; | |
603 | ||
4a90f09b AC |
604 | tty =tty_port_tty_get(&port->port); |
605 | if (tty && urb->actual_length) { | |
f035a8ad | 606 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
607 | tty_flip_buffer_push(tty); |
608 | } | |
4a90f09b | 609 | tty_kref_put(tty); |
1da177e4 LT |
610 | |
611 | /* Resubmit urb so we continue receiving */ | |
612 | urb->dev = port->serial->dev; | |
1f87158e AS |
613 | err = usb_submit_urb(urb, GFP_ATOMIC); |
614 | if (err != 0) | |
615 | dbg("%s - resubmit read urb failed. (%d)", | |
616 | __func__, err); | |
1da177e4 LT |
617 | p_priv->in_flip ^= 1; |
618 | ||
619 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
620 | } while (urb->status != -EINPROGRESS); | |
621 | } | |
622 | ||
7d12e780 | 623 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 624 | { |
deb91685 | 625 | dbg("%s", __func__); |
1da177e4 LT |
626 | } |
627 | ||
7d12e780 | 628 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
629 | { |
630 | struct usb_serial_port *port; | |
631 | struct keyspan_port_private *p_priv; | |
632 | ||
cdc97792 | 633 | port = urb->context; |
1da177e4 LT |
634 | p_priv = usb_get_serial_port_data(port); |
635 | ||
636 | if (p_priv->resend_cont) { | |
deb91685 AC |
637 | dbg("%s - sending setup", __func__); |
638 | keyspan_usa28_send_setup(port->serial, port, | |
639 | p_priv->resend_cont - 1); | |
1da177e4 LT |
640 | } |
641 | } | |
642 | ||
7d12e780 | 643 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
644 | { |
645 | int err; | |
646 | unsigned char *data = urb->transfer_buffer; | |
647 | struct keyspan_usa28_portStatusMessage *msg; | |
648 | struct usb_serial *serial; | |
649 | struct usb_serial_port *port; | |
650 | struct keyspan_port_private *p_priv; | |
4a90f09b | 651 | struct tty_struct *tty; |
1da177e4 | 652 | int old_dcd_state; |
95b93454 | 653 | int status = urb->status; |
1da177e4 | 654 | |
cdc97792 | 655 | serial = urb->context; |
1da177e4 | 656 | |
95b93454 | 657 | if (status) { |
441b62c1 | 658 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
659 | return; |
660 | } | |
661 | ||
662 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
441b62c1 | 663 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
664 | goto exit; |
665 | } | |
666 | ||
441b62c1 | 667 | /*dbg("%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__ |
1da177e4 LT |
668 | data[0], data[1], data[2], data[3], data[4], data[5], |
669 | data[6], data[7], data[8], data[9], data[10], data[11]);*/ | |
1da177e4 | 670 | |
deb91685 AC |
671 | /* Now do something useful with the data */ |
672 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
1da177e4 | 673 | |
deb91685 | 674 | /* Check port number from message and retrieve private data */ |
1da177e4 | 675 | if (msg->port >= serial->num_ports) { |
deb91685 | 676 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
677 | goto exit; |
678 | } | |
679 | port = serial->port[msg->port]; | |
680 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 681 | |
1da177e4 LT |
682 | /* Update handshaking pin state information */ |
683 | old_dcd_state = p_priv->dcd_state; | |
684 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
685 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
686 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
687 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
688 | ||
4a90f09b AC |
689 | if( old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
690 | tty = tty_port_tty_get(&port->port); | |
691 | if (tty && !C_CLOCAL(tty)) | |
692 | tty_hangup(tty); | |
693 | tty_kref_put(tty); | |
1da177e4 LT |
694 | } |
695 | ||
696 | /* Resubmit urb so we continue receiving */ | |
697 | urb->dev = serial->dev; | |
deb91685 AC |
698 | err = usb_submit_urb(urb, GFP_ATOMIC); |
699 | if (err != 0) | |
441b62c1 | 700 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
701 | exit: ; |
702 | } | |
703 | ||
7d12e780 | 704 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 705 | { |
deb91685 | 706 | dbg("%s", __func__); |
1da177e4 LT |
707 | } |
708 | ||
709 | ||
7d12e780 | 710 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
711 | { |
712 | struct usb_serial *serial; | |
713 | struct usb_serial_port *port; | |
714 | struct keyspan_port_private *p_priv; | |
715 | int i; | |
716 | ||
deb91685 | 717 | dbg("%s", __func__); |
1da177e4 | 718 | |
cdc97792 | 719 | serial = urb->context; |
1da177e4 LT |
720 | for (i = 0; i < serial->num_ports; ++i) { |
721 | port = serial->port[i]; | |
722 | p_priv = usb_get_serial_port_data(port); | |
723 | ||
724 | if (p_priv->resend_cont) { | |
deb91685 AC |
725 | dbg("%s - sending setup", __func__); |
726 | keyspan_usa49_send_setup(serial, port, | |
727 | p_priv->resend_cont - 1); | |
1da177e4 LT |
728 | break; |
729 | } | |
730 | } | |
731 | } | |
732 | ||
733 | /* This is actually called glostat in the Keyspan | |
734 | doco */ | |
7d12e780 | 735 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
736 | { |
737 | int err; | |
738 | unsigned char *data = urb->transfer_buffer; | |
739 | struct keyspan_usa49_portStatusMessage *msg; | |
740 | struct usb_serial *serial; | |
741 | struct usb_serial_port *port; | |
742 | struct keyspan_port_private *p_priv; | |
743 | int old_dcd_state; | |
95b93454 | 744 | int status = urb->status; |
1da177e4 | 745 | |
deb91685 | 746 | dbg("%s", __func__); |
1da177e4 | 747 | |
cdc97792 | 748 | serial = urb->context; |
1da177e4 | 749 | |
95b93454 | 750 | if (status) { |
441b62c1 | 751 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
752 | return; |
753 | } | |
754 | ||
deb91685 AC |
755 | if (urb->actual_length != |
756 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
441b62c1 | 757 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
758 | goto exit; |
759 | } | |
760 | ||
441b62c1 | 761 | /*dbg(" %x %x %x %x %x %x %x %x %x %x %x", __func__, |
1da177e4 LT |
762 | data[0], data[1], data[2], data[3], data[4], data[5], |
763 | data[6], data[7], data[8], data[9], data[10]);*/ | |
deb91685 AC |
764 | |
765 | /* Now do something useful with the data */ | |
1da177e4 LT |
766 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
767 | ||
deb91685 | 768 | /* Check port number from message and retrieve private data */ |
1da177e4 | 769 | if (msg->portNumber >= serial->num_ports) { |
deb91685 AC |
770 | dbg("%s - Unexpected port number %d", |
771 | __func__, msg->portNumber); | |
1da177e4 LT |
772 | goto exit; |
773 | } | |
774 | port = serial->port[msg->portNumber]; | |
775 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 776 | |
1da177e4 LT |
777 | /* Update handshaking pin state information */ |
778 | old_dcd_state = p_priv->dcd_state; | |
779 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
780 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
781 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
782 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
783 | ||
4a90f09b AC |
784 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
785 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
786 | if (tty && !C_CLOCAL(tty)) | |
787 | tty_hangup(tty); | |
788 | tty_kref_put(tty); | |
1da177e4 LT |
789 | } |
790 | ||
deb91685 | 791 | /* Resubmit urb so we continue receiving */ |
1da177e4 LT |
792 | urb->dev = serial->dev; |
793 | ||
deb91685 AC |
794 | err = usb_submit_urb(urb, GFP_ATOMIC); |
795 | if (err != 0) | |
441b62c1 | 796 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
797 | exit: ; |
798 | } | |
799 | ||
7d12e780 | 800 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 801 | { |
deb91685 | 802 | dbg("%s", __func__); |
1da177e4 LT |
803 | } |
804 | ||
7d12e780 | 805 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
806 | { |
807 | int i, err; | |
808 | int endpoint; | |
809 | struct usb_serial_port *port; | |
810 | struct tty_struct *tty; | |
811 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 812 | int status = urb->status; |
1da177e4 | 813 | |
deb91685 | 814 | dbg("%s", __func__); |
1da177e4 LT |
815 | |
816 | endpoint = usb_pipeendpoint(urb->pipe); | |
817 | ||
95b93454 | 818 | if (status) { |
441b62c1 | 819 | dbg("%s - nonzero status: %x on endpoint %d.", __func__, |
95b93454 | 820 | status, endpoint); |
1da177e4 LT |
821 | return; |
822 | } | |
823 | ||
cdc97792 | 824 | port = urb->context; |
4a90f09b | 825 | tty = tty_port_tty_get(&port->port); |
3004e537 | 826 | if (tty && urb->actual_length) { |
1da177e4 LT |
827 | /* 0x80 bit is error flag */ |
828 | if ((data[0] & 0x80) == 0) { | |
829 | /* no error on any byte */ | |
f035a8ad AC |
830 | tty_insert_flip_string(tty, data + 1, |
831 | urb->actual_length - 1); | |
1da177e4 LT |
832 | } else { |
833 | /* some bytes had errors, every byte has status */ | |
834 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
835 | int stat = data[i], flag = 0; | |
836 | if (stat & RXERROR_OVERRUN) | |
837 | flag |= TTY_OVERRUN; | |
838 | if (stat & RXERROR_FRAMING) | |
839 | flag |= TTY_FRAME; | |
840 | if (stat & RXERROR_PARITY) | |
841 | flag |= TTY_PARITY; | |
842 | /* XXX should handle break (0x10) */ | |
843 | tty_insert_flip_char(tty, data[i+1], flag); | |
844 | } | |
845 | } | |
846 | tty_flip_buffer_push(tty); | |
847 | } | |
4a90f09b | 848 | tty_kref_put(tty); |
deb91685 AC |
849 | |
850 | /* Resubmit urb so we continue receiving */ | |
1da177e4 | 851 | urb->dev = port->serial->dev; |
1f87158e AS |
852 | err = usb_submit_urb(urb, GFP_ATOMIC); |
853 | if (err != 0) | |
854 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
855 | } |
856 | ||
0ca1268e LM |
857 | static void usa49wg_indat_callback(struct urb *urb) |
858 | { | |
859 | int i, len, x, err; | |
860 | struct usb_serial *serial; | |
861 | struct usb_serial_port *port; | |
862 | struct tty_struct *tty; | |
863 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 864 | int status = urb->status; |
0ca1268e | 865 | |
deb91685 | 866 | dbg("%s", __func__); |
0ca1268e LM |
867 | |
868 | serial = urb->context; | |
869 | ||
95b93454 | 870 | if (status) { |
441b62c1 | 871 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
872 | return; |
873 | } | |
874 | ||
875 | /* inbound data is in the form P#, len, status, data */ | |
876 | i = 0; | |
877 | len = 0; | |
878 | ||
879 | if (urb->actual_length) { | |
880 | while (i < urb->actual_length) { | |
881 | ||
882 | /* Check port number from message*/ | |
883 | if (data[i] >= serial->num_ports) { | |
deb91685 | 884 | dbg("%s - Unexpected port number %d", |
441b62c1 | 885 | __func__, data[i]); |
0ca1268e LM |
886 | return; |
887 | } | |
888 | port = serial->port[data[i++]]; | |
4a90f09b | 889 | tty = tty_port_tty_get(&port->port); |
0ca1268e LM |
890 | len = data[i++]; |
891 | ||
892 | /* 0x80 bit is error flag */ | |
893 | if ((data[i] & 0x80) == 0) { | |
894 | /* no error on any byte */ | |
895 | i++; | |
896 | for (x = 1; x < len ; ++x) | |
1f87158e | 897 | tty_insert_flip_char(tty, data[i++], 0); |
0ca1268e LM |
898 | } else { |
899 | /* | |
900 | * some bytes had errors, every byte has status | |
901 | */ | |
902 | for (x = 0; x + 1 < len; x += 2) { | |
903 | int stat = data[i], flag = 0; | |
904 | if (stat & RXERROR_OVERRUN) | |
905 | flag |= TTY_OVERRUN; | |
906 | if (stat & RXERROR_FRAMING) | |
907 | flag |= TTY_FRAME; | |
908 | if (stat & RXERROR_PARITY) | |
909 | flag |= TTY_PARITY; | |
910 | /* XXX should handle break (0x10) */ | |
1f87158e | 911 | tty_insert_flip_char(tty, |
0ca1268e LM |
912 | data[i+1], flag); |
913 | i += 2; | |
914 | } | |
915 | } | |
1f87158e | 916 | tty_flip_buffer_push(tty); |
4a90f09b | 917 | tty_kref_put(tty); |
0ca1268e LM |
918 | } |
919 | } | |
920 | ||
921 | /* Resubmit urb so we continue receiving */ | |
922 | urb->dev = serial->dev; | |
923 | ||
924 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
925 | if (err != 0) | |
441b62c1 | 926 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
927 | } |
928 | ||
1da177e4 | 929 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 930 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 931 | { |
deb91685 | 932 | dbg("%s", __func__); |
1da177e4 LT |
933 | } |
934 | ||
0ca1268e | 935 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
936 | { |
937 | int i, err; | |
938 | int endpoint; | |
939 | struct usb_serial_port *port; | |
940 | struct keyspan_port_private *p_priv; | |
941 | struct tty_struct *tty; | |
942 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 943 | int status = urb->status; |
1da177e4 | 944 | |
deb91685 | 945 | dbg("%s", __func__); |
1da177e4 LT |
946 | |
947 | endpoint = usb_pipeendpoint(urb->pipe); | |
948 | ||
95b93454 | 949 | if (status) { |
1da177e4 | 950 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 951 | __func__, status, endpoint); |
1da177e4 LT |
952 | return; |
953 | } | |
954 | ||
cdc97792 | 955 | port = urb->context; |
1da177e4 LT |
956 | p_priv = usb_get_serial_port_data(port); |
957 | ||
1da177e4 | 958 | if (urb->actual_length) { |
4a90f09b | 959 | tty = tty_port_tty_get(&port->port); |
1da177e4 | 960 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 961 | otherwise looks like usa26 data format */ |
1da177e4 | 962 | |
f035a8ad AC |
963 | if (p_priv->baud > 57600) |
964 | tty_insert_flip_string(tty, data, urb->actual_length); | |
965 | else { | |
1da177e4 LT |
966 | /* 0x80 bit is error flag */ |
967 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
968 | /* no errors on individual bytes, only |
969 | possible overrun err*/ | |
1da177e4 | 970 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
971 | err = TTY_OVERRUN; |
972 | else | |
973 | err = 0; | |
974 | for (i = 1; i < urb->actual_length ; ++i) | |
975 | tty_insert_flip_char(tty, data[i], | |
976 | err); | |
977 | } else { | |
1da177e4 | 978 | /* some bytes had errors, every byte has status */ |
441b62c1 | 979 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
980 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
981 | int stat = data[i], flag = 0; | |
982 | if (stat & RXERROR_OVERRUN) | |
983 | flag |= TTY_OVERRUN; | |
984 | if (stat & RXERROR_FRAMING) | |
985 | flag |= TTY_FRAME; | |
986 | if (stat & RXERROR_PARITY) | |
987 | flag |= TTY_PARITY; | |
988 | /* XXX should handle break (0x10) */ | |
deb91685 AC |
989 | tty_insert_flip_char(tty, data[i+1], |
990 | flag); | |
1da177e4 LT |
991 | } |
992 | } | |
993 | } | |
994 | tty_flip_buffer_push(tty); | |
4a90f09b | 995 | tty_kref_put(tty); |
1da177e4 | 996 | } |
deb91685 | 997 | |
1da177e4 LT |
998 | /* Resubmit urb so we continue receiving */ |
999 | urb->dev = port->serial->dev; | |
1f87158e AS |
1000 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1001 | if (err != 0) | |
1002 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
1003 | } |
1004 | ||
1005 | ||
7d12e780 | 1006 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
1007 | { |
1008 | unsigned char *data = urb->transfer_buffer; | |
1009 | struct keyspan_usa90_portStatusMessage *msg; | |
1010 | struct usb_serial *serial; | |
1011 | struct usb_serial_port *port; | |
1012 | struct keyspan_port_private *p_priv; | |
4a90f09b | 1013 | struct tty_struct *tty; |
1da177e4 | 1014 | int old_dcd_state, err; |
95b93454 | 1015 | int status = urb->status; |
1da177e4 | 1016 | |
cdc97792 | 1017 | serial = urb->context; |
1da177e4 | 1018 | |
95b93454 | 1019 | if (status) { |
441b62c1 | 1020 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
1021 | return; |
1022 | } | |
1023 | if (urb->actual_length < 14) { | |
441b62c1 | 1024 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
1025 | goto exit; |
1026 | } | |
1027 | ||
1028 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
1029 | ||
1030 | /* Now do something useful with the data */ | |
1031 | ||
1032 | port = serial->port[0]; | |
1033 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 1034 | |
1da177e4 LT |
1035 | /* Update handshaking pin state information */ |
1036 | old_dcd_state = p_priv->dcd_state; | |
1037 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
1038 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
1039 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
1040 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
1041 | ||
4a90f09b AC |
1042 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
1043 | tty = tty_port_tty_get(&port->port); | |
1044 | if (tty && !C_CLOCAL(tty)) | |
1045 | tty_hangup(tty); | |
1046 | tty_kref_put(tty); | |
1da177e4 | 1047 | } |
deb91685 | 1048 | |
1da177e4 LT |
1049 | /* Resubmit urb so we continue receiving */ |
1050 | urb->dev = serial->dev; | |
deb91685 AC |
1051 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1052 | if (err != 0) | |
441b62c1 | 1053 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
1054 | exit: |
1055 | ; | |
1056 | } | |
1057 | ||
7d12e780 | 1058 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
1059 | { |
1060 | struct usb_serial_port *port; | |
1061 | struct keyspan_port_private *p_priv; | |
1062 | ||
cdc97792 | 1063 | port = urb->context; |
1da177e4 LT |
1064 | p_priv = usb_get_serial_port_data(port); |
1065 | ||
1066 | if (p_priv->resend_cont) { | |
deb91685 AC |
1067 | dbg("%s - sending setup", __func__); |
1068 | keyspan_usa90_send_setup(port->serial, port, | |
1069 | p_priv->resend_cont - 1); | |
1da177e4 LT |
1070 | } |
1071 | } | |
1072 | ||
0ca1268e LM |
1073 | /* Status messages from the 28xg */ |
1074 | static void usa67_instat_callback(struct urb *urb) | |
1075 | { | |
1076 | int err; | |
1077 | unsigned char *data = urb->transfer_buffer; | |
1078 | struct keyspan_usa67_portStatusMessage *msg; | |
1079 | struct usb_serial *serial; | |
1080 | struct usb_serial_port *port; | |
1081 | struct keyspan_port_private *p_priv; | |
1082 | int old_dcd_state; | |
95b93454 | 1083 | int status = urb->status; |
0ca1268e | 1084 | |
deb91685 | 1085 | dbg("%s", __func__); |
0ca1268e LM |
1086 | |
1087 | serial = urb->context; | |
1088 | ||
95b93454 | 1089 | if (status) { |
441b62c1 | 1090 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
1091 | return; |
1092 | } | |
1093 | ||
deb91685 AC |
1094 | if (urb->actual_length != |
1095 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
441b62c1 | 1096 | dbg("%s - bad length %d", __func__, urb->actual_length); |
0ca1268e LM |
1097 | return; |
1098 | } | |
1099 | ||
1100 | ||
1101 | /* Now do something useful with the data */ | |
1102 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
1103 | ||
1104 | /* Check port number from message and retrieve private data */ | |
1105 | if (msg->port >= serial->num_ports) { | |
deb91685 | 1106 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
0ca1268e LM |
1107 | return; |
1108 | } | |
1109 | ||
1110 | port = serial->port[msg->port]; | |
1111 | p_priv = usb_get_serial_port_data(port); | |
1112 | ||
1113 | /* Update handshaking pin state information */ | |
1114 | old_dcd_state = p_priv->dcd_state; | |
1115 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
1116 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
1117 | ||
4a90f09b AC |
1118 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
1119 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
1120 | if (tty && !C_CLOCAL(tty)) | |
1121 | tty_hangup(tty); | |
1122 | tty_kref_put(tty); | |
0ca1268e LM |
1123 | } |
1124 | ||
1125 | /* Resubmit urb so we continue receiving */ | |
1126 | urb->dev = serial->dev; | |
1127 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1128 | if (err != 0) | |
441b62c1 | 1129 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
1130 | } |
1131 | ||
1132 | static void usa67_glocont_callback(struct urb *urb) | |
1133 | { | |
1134 | struct usb_serial *serial; | |
1135 | struct usb_serial_port *port; | |
1136 | struct keyspan_port_private *p_priv; | |
1137 | int i; | |
1138 | ||
deb91685 | 1139 | dbg("%s", __func__); |
0ca1268e LM |
1140 | |
1141 | serial = urb->context; | |
1142 | for (i = 0; i < serial->num_ports; ++i) { | |
1143 | port = serial->port[i]; | |
1144 | p_priv = usb_get_serial_port_data(port); | |
1145 | ||
1146 | if (p_priv->resend_cont) { | |
deb91685 | 1147 | dbg("%s - sending setup", __func__); |
0ca1268e LM |
1148 | keyspan_usa67_send_setup(serial, port, |
1149 | p_priv->resend_cont - 1); | |
1150 | break; | |
1151 | } | |
1152 | } | |
1153 | } | |
1154 | ||
95da310e | 1155 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 1156 | { |
95da310e | 1157 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1158 | struct keyspan_port_private *p_priv; |
1159 | const struct keyspan_device_details *d_details; | |
1160 | int flip; | |
1161 | int data_len; | |
1162 | struct urb *this_urb; | |
1163 | ||
441b62c1 | 1164 | dbg("%s", __func__); |
1da177e4 LT |
1165 | p_priv = usb_get_serial_port_data(port); |
1166 | d_details = p_priv->device_details; | |
1167 | ||
a5b6f60c | 1168 | /* FIXME: locking */ |
1da177e4 | 1169 | if (d_details->msg_format == msg_usa90) |
deb91685 | 1170 | data_len = 64; |
1da177e4 LT |
1171 | else |
1172 | data_len = 63; | |
1173 | ||
1174 | flip = p_priv->out_flip; | |
1175 | ||
1176 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
1177 | this_urb = p_priv->out_urbs[flip]; |
1178 | if (this_urb != NULL) { | |
1da177e4 | 1179 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1180 | return data_len; |
1181 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1182 | this_urb = p_priv->out_urbs[flip]; | |
1183 | if (this_urb != NULL) { | |
1da177e4 | 1184 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1185 | return data_len; |
1186 | } | |
1da177e4 | 1187 | } |
a5b6f60c | 1188 | return 0; |
1da177e4 LT |
1189 | } |
1190 | ||
1191 | ||
a509a7e4 | 1192 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1193 | { |
f78ba157 AM |
1194 | struct keyspan_port_private *p_priv; |
1195 | struct keyspan_serial_private *s_priv; | |
1196 | struct usb_serial *serial = port->serial; | |
1da177e4 LT |
1197 | const struct keyspan_device_details *d_details; |
1198 | int i, err; | |
f78ba157 | 1199 | int baud_rate, device_port; |
1da177e4 | 1200 | struct urb *urb; |
95da310e | 1201 | unsigned int cflag = 0; |
1da177e4 LT |
1202 | |
1203 | s_priv = usb_get_serial_data(serial); | |
1204 | p_priv = usb_get_serial_port_data(port); | |
1205 | d_details = p_priv->device_details; | |
7eea4364 | 1206 | |
441b62c1 | 1207 | dbg("%s - port%d.", __func__, port->number); |
1da177e4 LT |
1208 | |
1209 | /* Set some sane defaults */ | |
1210 | p_priv->rts_state = 1; | |
1211 | p_priv->dtr_state = 1; | |
1212 | p_priv->baud = 9600; | |
1213 | ||
1214 | /* force baud and lcr to be set on open */ | |
1215 | p_priv->old_baud = 0; | |
1216 | p_priv->old_cflag = 0; | |
1217 | ||
1218 | p_priv->out_flip = 0; | |
1219 | p_priv->in_flip = 0; | |
1220 | ||
1221 | /* Reset low level data toggle and start reading from endpoints */ | |
1222 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1223 | urb = p_priv->in_urbs[i]; |
1224 | if (urb == NULL) | |
1da177e4 LT |
1225 | continue; |
1226 | urb->dev = serial->dev; | |
1227 | ||
deb91685 AC |
1228 | /* make sure endpoint data toggle is synchronized |
1229 | with the device */ | |
1da177e4 | 1230 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1231 | err = usb_submit_urb(urb, GFP_KERNEL); |
1232 | if (err != 0) | |
1233 | dbg("%s - submit urb %d failed (%d)", | |
1234 | __func__, i, err); | |
1da177e4 LT |
1235 | } |
1236 | ||
1237 | /* Reset low level data toggle on out endpoints */ | |
1238 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1239 | urb = p_priv->out_urbs[i]; |
1240 | if (urb == NULL) | |
1da177e4 LT |
1241 | continue; |
1242 | urb->dev = serial->dev; | |
deb91685 AC |
1243 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1244 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1245 | } |
1246 | ||
f78ba157 AM |
1247 | /* get the terminal config for the setup message now so we don't |
1248 | * need to send 2 of them */ | |
1249 | ||
f78ba157 | 1250 | device_port = port->number - port->serial->minor; |
95da310e AC |
1251 | if (tty) { |
1252 | cflag = tty->termios->c_cflag; | |
1253 | /* Baud rate calculation takes baud rate as an integer | |
1254 | so other rates can be generated if desired. */ | |
1255 | baud_rate = tty_get_baud_rate(tty); | |
1256 | /* If no match or invalid, leave as default */ | |
1257 | if (baud_rate >= 0 | |
1258 | && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, | |
1259 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { | |
1260 | p_priv->baud = baud_rate; | |
1261 | } | |
f78ba157 | 1262 | } |
f78ba157 AM |
1263 | /* set CTS/RTS handshake etc. */ |
1264 | p_priv->cflag = cflag; | |
1265 | p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; | |
1266 | ||
1267 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1268 | /* mdelay(100); */ |
1269 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1270 | |
a5b6f60c | 1271 | return 0; |
1da177e4 LT |
1272 | } |
1273 | ||
1274 | static inline void stop_urb(struct urb *urb) | |
1275 | { | |
242cf670 | 1276 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1277 | usb_kill_urb(urb); |
1da177e4 LT |
1278 | } |
1279 | ||
335f8514 AC |
1280 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1281 | { | |
1282 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1283 | ||
1284 | p_priv->rts_state = on; | |
1285 | p_priv->dtr_state = on; | |
1286 | keyspan_send_setup(port, 0); | |
1287 | } | |
1288 | ||
1289 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1290 | { |
1291 | int i; | |
1292 | struct usb_serial *serial = port->serial; | |
1293 | struct keyspan_serial_private *s_priv; | |
1294 | struct keyspan_port_private *p_priv; | |
1295 | ||
441b62c1 | 1296 | dbg("%s", __func__); |
1da177e4 LT |
1297 | s_priv = usb_get_serial_data(serial); |
1298 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 1299 | |
1da177e4 LT |
1300 | p_priv->rts_state = 0; |
1301 | p_priv->dtr_state = 0; | |
deb91685 | 1302 | |
1da177e4 LT |
1303 | if (serial->dev) { |
1304 | keyspan_send_setup(port, 2); | |
1305 | /* pilot-xfer seems to work best with this delay */ | |
1306 | mdelay(100); | |
deb91685 | 1307 | /* keyspan_set_termios(port, NULL); */ |
1da177e4 LT |
1308 | } |
1309 | ||
1310 | /*while (p_priv->outcont_urb->status == -EINPROGRESS) { | |
441b62c1 | 1311 | dbg("%s - urb in progress", __func__); |
1da177e4 LT |
1312 | }*/ |
1313 | ||
1314 | p_priv->out_flip = 0; | |
1315 | p_priv->in_flip = 0; | |
1316 | ||
1317 | if (serial->dev) { | |
1318 | /* Stop reading/writing urbs */ | |
1319 | stop_urb(p_priv->inack_urb); | |
1320 | /* stop_urb(p_priv->outcont_urb); */ | |
1321 | for (i = 0; i < 2; i++) { | |
1322 | stop_urb(p_priv->in_urbs[i]); | |
1323 | stop_urb(p_priv->out_urbs[i]); | |
1324 | } | |
1325 | } | |
1da177e4 LT |
1326 | } |
1327 | ||
deb91685 AC |
1328 | /* download the firmware to a pre-renumeration device */ |
1329 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 LT |
1330 | { |
1331 | int response; | |
2971c579 | 1332 | const struct ihex_binrec *record; |
1da177e4 | 1333 | char *fw_name; |
2971c579 | 1334 | const struct firmware *fw; |
1da177e4 LT |
1335 | |
1336 | dbg("Keyspan startup version %04x product %04x", | |
1337 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1338 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1339 | |
1340 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1341 | != 0x8000) { | |
1da177e4 | 1342 | dbg("Firmware already loaded. Quitting."); |
deb91685 | 1343 | return 1; |
1da177e4 LT |
1344 | } |
1345 | ||
1346 | /* Select firmware image on the basis of idProduct */ | |
1347 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1348 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1349 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1350 | break; |
1351 | ||
1352 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1353 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1354 | break; |
1355 | ||
1356 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1357 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1358 | break; |
1359 | ||
1360 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1361 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1362 | break; |
1363 | ||
1364 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1365 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1366 | break; |
deb91685 | 1367 | |
1da177e4 | 1368 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1369 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1370 | break; |
deb91685 | 1371 | |
1da177e4 | 1372 | case keyspan_mpr_pre_product_id: |
2971c579 | 1373 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1374 | break; |
1375 | ||
1376 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1377 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1378 | break; |
deb91685 | 1379 | |
1da177e4 | 1380 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1381 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1382 | break; |
deb91685 | 1383 | |
1da177e4 | 1384 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1385 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1386 | break; |
deb91685 | 1387 | |
1da177e4 | 1388 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1389 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1390 | break; |
1391 | ||
1392 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1393 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1394 | break; |
1395 | ||
1396 | default: | |
2971c579 DW |
1397 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1398 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1399 | return 1; | |
1da177e4 LT |
1400 | } |
1401 | ||
2971c579 | 1402 | if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) { |
1da177e4 LT |
1403 | dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); |
1404 | return(1); | |
1405 | } | |
1406 | ||
1407 | dbg("Uploading Keyspan %s firmware.", fw_name); | |
1408 | ||
1409 | /* download the firmware image */ | |
1410 | response = ezusb_set_reset(serial, 1); | |
1411 | ||
2971c579 DW |
1412 | record = (const struct ihex_binrec *)fw->data; |
1413 | ||
1414 | while (record) { | |
1415 | response = ezusb_writememory(serial, be32_to_cpu(record->addr), | |
1da177e4 | 1416 | (unsigned char *)record->data, |
2971c579 | 1417 | be16_to_cpu(record->len), 0xa0); |
1da177e4 | 1418 | if (response < 0) { |
deb91685 | 1419 | dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan firmware (%d %04X %p %d)\n", |
2971c579 DW |
1420 | response, be32_to_cpu(record->addr), |
1421 | record->data, be16_to_cpu(record->len)); | |
1da177e4 LT |
1422 | break; |
1423 | } | |
2971c579 | 1424 | record = ihex_next_binrec(record); |
1da177e4 | 1425 | } |
2971c579 | 1426 | release_firmware(fw); |
1da177e4 LT |
1427 | /* bring device out of reset. Renumeration will occur in a |
1428 | moment and the new device will bind to the real driver */ | |
1429 | response = ezusb_set_reset(serial, 0); | |
1430 | ||
1431 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1432 | return 1; |
1da177e4 LT |
1433 | } |
1434 | ||
1435 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1436 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1437 | int endpoint) | |
1438 | { | |
1439 | struct usb_host_interface *iface_desc; | |
1440 | struct usb_endpoint_descriptor *ep; | |
1441 | int i; | |
1442 | ||
1443 | iface_desc = serial->interface->cur_altsetting; | |
1444 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1445 | ep = &iface_desc->endpoint[i].desc; | |
1446 | if (ep->bEndpointAddress == endpoint) | |
1447 | return ep; | |
1448 | } | |
1449 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1450 | "endpoint %x\n", endpoint); | |
1451 | return NULL; | |
1452 | } | |
1453 | ||
deb91685 | 1454 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1455 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1456 | void (*callback)(struct urb *)) |
1da177e4 LT |
1457 | { |
1458 | struct urb *urb; | |
fdcba53e RW |
1459 | struct usb_endpoint_descriptor const *ep_desc; |
1460 | char const *ep_type_name; | |
1da177e4 LT |
1461 | |
1462 | if (endpoint == -1) | |
1463 | return NULL; /* endpoint not needed */ | |
1464 | ||
deb91685 | 1465 | dbg("%s - alloc for endpoint %d.", __func__, endpoint); |
1da177e4 LT |
1466 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1467 | if (urb == NULL) { | |
deb91685 | 1468 | dbg("%s - alloc for endpoint %d failed.", __func__, endpoint); |
1da177e4 LT |
1469 | return NULL; |
1470 | } | |
1471 | ||
0ca1268e LM |
1472 | if (endpoint == 0) { |
1473 | /* control EP filled in when used */ | |
1474 | return urb; | |
1475 | } | |
1476 | ||
fdcba53e RW |
1477 | ep_desc = find_ep(serial, endpoint); |
1478 | if (!ep_desc) { | |
1479 | /* leak the urb, something's wrong and the callers don't care */ | |
1480 | return urb; | |
1481 | } | |
1482 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1483 | ep_type_name = "INT"; | |
1484 | usb_fill_int_urb(urb, serial->dev, | |
1485 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1486 | buf, len, callback, ctx, | |
1487 | ep_desc->bInterval); | |
1488 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1489 | ep_type_name = "BULK"; | |
1490 | usb_fill_bulk_urb(urb, serial->dev, | |
1491 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1492 | buf, len, callback, ctx); | |
1493 | } else { | |
1494 | dev_warn(&serial->interface->dev, | |
1495 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1496 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1497 | usb_free_urb(urb); |
1498 | return NULL; | |
1499 | } | |
1da177e4 | 1500 | |
fdcba53e RW |
1501 | dbg("%s - using urb %p for %s endpoint %x", |
1502 | __func__, urb, ep_type_name, endpoint); | |
1da177e4 LT |
1503 | return urb; |
1504 | } | |
1505 | ||
1506 | static struct callbacks { | |
7d12e780 DH |
1507 | void (*instat_callback)(struct urb *); |
1508 | void (*glocont_callback)(struct urb *); | |
1509 | void (*indat_callback)(struct urb *); | |
1510 | void (*outdat_callback)(struct urb *); | |
1511 | void (*inack_callback)(struct urb *); | |
1512 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1513 | } keyspan_callbacks[] = { |
1514 | { | |
1515 | /* msg_usa26 callbacks */ | |
1516 | .instat_callback = usa26_instat_callback, | |
1517 | .glocont_callback = usa26_glocont_callback, | |
1518 | .indat_callback = usa26_indat_callback, | |
1519 | .outdat_callback = usa2x_outdat_callback, | |
1520 | .inack_callback = usa26_inack_callback, | |
1521 | .outcont_callback = usa26_outcont_callback, | |
1522 | }, { | |
1523 | /* msg_usa28 callbacks */ | |
1524 | .instat_callback = usa28_instat_callback, | |
1525 | .glocont_callback = usa28_glocont_callback, | |
1526 | .indat_callback = usa28_indat_callback, | |
1527 | .outdat_callback = usa2x_outdat_callback, | |
1528 | .inack_callback = usa28_inack_callback, | |
1529 | .outcont_callback = usa28_outcont_callback, | |
1530 | }, { | |
1531 | /* msg_usa49 callbacks */ | |
1532 | .instat_callback = usa49_instat_callback, | |
1533 | .glocont_callback = usa49_glocont_callback, | |
1534 | .indat_callback = usa49_indat_callback, | |
1535 | .outdat_callback = usa2x_outdat_callback, | |
1536 | .inack_callback = usa49_inack_callback, | |
1537 | .outcont_callback = usa49_outcont_callback, | |
1538 | }, { | |
1539 | /* msg_usa90 callbacks */ | |
1540 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1541 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1542 | .indat_callback = usa90_indat_callback, |
1543 | .outdat_callback = usa2x_outdat_callback, | |
1544 | .inack_callback = usa28_inack_callback, | |
1545 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1546 | }, { |
1547 | /* msg_usa67 callbacks */ | |
1548 | .instat_callback = usa67_instat_callback, | |
1549 | .glocont_callback = usa67_glocont_callback, | |
1550 | .indat_callback = usa26_indat_callback, | |
1551 | .outdat_callback = usa2x_outdat_callback, | |
1552 | .inack_callback = usa26_inack_callback, | |
1553 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1554 | } |
1555 | }; | |
1556 | ||
1557 | /* Generic setup urbs function that uses | |
1558 | data in device_details */ | |
1559 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1560 | { | |
1561 | int i, j; | |
1562 | struct keyspan_serial_private *s_priv; | |
1563 | const struct keyspan_device_details *d_details; | |
1564 | struct usb_serial_port *port; | |
1565 | struct keyspan_port_private *p_priv; | |
1566 | struct callbacks *cback; | |
1567 | int endp; | |
1568 | ||
deb91685 | 1569 | dbg("%s", __func__); |
1da177e4 LT |
1570 | |
1571 | s_priv = usb_get_serial_data(serial); | |
1572 | d_details = s_priv->device_details; | |
1573 | ||
deb91685 | 1574 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1575 | cback = &keyspan_callbacks[d_details->msg_format]; |
1576 | ||
deb91685 AC |
1577 | /* Allocate and set up urbs for each one that is in use, |
1578 | starting with instat endpoints */ | |
1da177e4 LT |
1579 | s_priv->instat_urb = keyspan_setup_urb |
1580 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1581 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1582 | cback->instat_callback); | |
1583 | ||
0ca1268e LM |
1584 | s_priv->indat_urb = keyspan_setup_urb |
1585 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1586 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1587 | usa49wg_indat_callback); | |
1588 | ||
1da177e4 LT |
1589 | s_priv->glocont_urb = keyspan_setup_urb |
1590 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1591 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1592 | cback->glocont_callback); | |
1593 | ||
deb91685 AC |
1594 | /* Setup endpoints for each port specific thing */ |
1595 | for (i = 0; i < d_details->num_ports; i++) { | |
1da177e4 LT |
1596 | port = serial->port[i]; |
1597 | p_priv = usb_get_serial_port_data(port); | |
1598 | ||
1599 | /* Do indat endpoints first, once for each flip */ | |
1600 | endp = d_details->indat_endpoints[i]; | |
1601 | for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { | |
1602 | p_priv->in_urbs[j] = keyspan_setup_urb | |
1603 | (serial, endp, USB_DIR_IN, port, | |
1604 | p_priv->in_buffer[j], 64, | |
1605 | cback->indat_callback); | |
1606 | } | |
1607 | for (; j < 2; ++j) | |
1608 | p_priv->in_urbs[j] = NULL; | |
1609 | ||
1610 | /* outdat endpoints also have flip */ | |
1611 | endp = d_details->outdat_endpoints[i]; | |
1612 | for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { | |
1613 | p_priv->out_urbs[j] = keyspan_setup_urb | |
1614 | (serial, endp, USB_DIR_OUT, port, | |
1615 | p_priv->out_buffer[j], 64, | |
1616 | cback->outdat_callback); | |
1617 | } | |
1618 | for (; j < 2; ++j) | |
1619 | p_priv->out_urbs[j] = NULL; | |
1620 | ||
1621 | /* inack endpoint */ | |
1622 | p_priv->inack_urb = keyspan_setup_urb | |
1623 | (serial, d_details->inack_endpoints[i], USB_DIR_IN, | |
1624 | port, p_priv->inack_buffer, 1, cback->inack_callback); | |
1625 | ||
1626 | /* outcont endpoint */ | |
1627 | p_priv->outcont_urb = keyspan_setup_urb | |
1628 | (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, | |
1629 | port, p_priv->outcont_buffer, 64, | |
1630 | cback->outcont_callback); | |
deb91685 | 1631 | } |
1da177e4 LT |
1632 | } |
1633 | ||
1634 | /* usa19 function doesn't require prescaler */ | |
1635 | static int keyspan_usa19_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1636 | u8 *rate_low, u8 *prescaler, int portnum) | |
1637 | { | |
1638 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1639 | div, /* divisor */ |
1da177e4 | 1640 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1641 | |
deb91685 AC |
1642 | dbg("%s - %d.", __func__, baud_rate); |
1643 | ||
1644 | /* prevent divide by zero... */ | |
1645 | b16 = baud_rate * 16L; | |
1646 | if (b16 == 0) | |
1647 | return KEYSPAN_INVALID_BAUD_RATE; | |
1648 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1649 | as we run out of divisor resolution. */ | |
1650 | if (baud_rate > 57600) | |
1651 | return KEYSPAN_INVALID_BAUD_RATE; | |
1652 | ||
1653 | /* calculate the divisor and the counter (its inverse) */ | |
1654 | div = baudclk / b16; | |
1655 | if (div == 0) | |
1656 | return KEYSPAN_INVALID_BAUD_RATE; | |
1657 | else | |
1da177e4 | 1658 | cnt = 0 - div; |
1da177e4 | 1659 | |
deb91685 AC |
1660 | if (div > 0xffff) |
1661 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1662 | |
deb91685 AC |
1663 | /* return the counter values if non-null */ |
1664 | if (rate_low) | |
1da177e4 | 1665 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1666 | if (rate_hi) |
1da177e4 | 1667 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 AC |
1668 | if (rate_low && rate_hi) |
1669 | dbg("%s - %d %02x %02x.", | |
1670 | __func__, baud_rate, *rate_hi, *rate_low); | |
1671 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1672 | } |
1673 | ||
1674 | /* usa19hs function doesn't require prescaler */ | |
1675 | static int keyspan_usa19hs_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1676 | u8 *rate_low, u8 *prescaler, int portnum) | |
1677 | { | |
1678 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1679 | div; /* divisor */ |
1da177e4 | 1680 | |
deb91685 | 1681 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 | 1682 | |
deb91685 AC |
1683 | /* prevent divide by zero... */ |
1684 | b16 = baud_rate * 16L; | |
1685 | if (b16 == 0) | |
1686 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1687 | |
deb91685 AC |
1688 | /* calculate the divisor */ |
1689 | div = baudclk / b16; | |
1690 | if (div == 0) | |
1691 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1692 | |
deb91685 AC |
1693 | if (div > 0xffff) |
1694 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1695 | |
deb91685 AC |
1696 | /* return the counter values if non-null */ |
1697 | if (rate_low) | |
1da177e4 | 1698 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1699 | |
1700 | if (rate_hi) | |
1da177e4 | 1701 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1702 | |
1703 | if (rate_low && rate_hi) | |
1704 | dbg("%s - %d %02x %02x.", | |
1705 | __func__, baud_rate, *rate_hi, *rate_low); | |
1706 | ||
1707 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1708 | } |
1709 | ||
1710 | static int keyspan_usa19w_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1711 | u8 *rate_low, u8 *prescaler, int portnum) | |
1712 | { | |
1713 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1714 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1715 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1716 | res, /* resulting baud rate using 13/8 prescaler */ |
1717 | diff, /* error using 13/8 prescaler */ | |
1718 | smallest_diff; | |
1719 | u8 best_prescaler; | |
1720 | int i; | |
1721 | ||
deb91685 | 1722 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 | 1723 | |
deb91685 AC |
1724 | /* prevent divide by zero */ |
1725 | b16 = baud_rate * 16L; | |
1726 | if (b16 == 0) | |
1727 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1728 | |
deb91685 AC |
1729 | /* Calculate prescaler by trying them all and looking |
1730 | for best fit */ | |
1731 | ||
1732 | /* start with largest possible difference */ | |
1da177e4 LT |
1733 | smallest_diff = 0xffffffff; |
1734 | ||
1735 | /* 0 is an invalid prescaler, used as a flag */ | |
1736 | best_prescaler = 0; | |
1737 | ||
deb91685 | 1738 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1739 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1740 | |
1741 | div = clk / b16; | |
1742 | if (div == 0) | |
1da177e4 | 1743 | continue; |
1da177e4 LT |
1744 | |
1745 | res = clk / div; | |
deb91685 | 1746 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1747 | |
deb91685 | 1748 | if (diff < smallest_diff) { |
1da177e4 LT |
1749 | best_prescaler = i; |
1750 | smallest_diff = diff; | |
1751 | } | |
1752 | } | |
1753 | ||
deb91685 AC |
1754 | if (best_prescaler == 0) |
1755 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1756 | |
1757 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1758 | div = clk / b16; | |
1759 | ||
deb91685 AC |
1760 | /* return the divisor and prescaler if non-null */ |
1761 | if (rate_low) | |
1da177e4 | 1762 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1763 | if (rate_hi) |
1da177e4 | 1764 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1765 | if (prescaler) { |
1766 | *prescaler = best_prescaler; | |
441b62c1 | 1767 | /* dbg("%s - %d %d", __func__, *prescaler, div); */ |
1da177e4 | 1768 | } |
deb91685 | 1769 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1770 | } |
1771 | ||
1772 | /* USA-28 supports different maximum baud rates on each port */ | |
1773 | static int keyspan_usa28_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1774 | u8 *rate_low, u8 *prescaler, int portnum) | |
1775 | { | |
1776 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1777 | div, /* divisor */ |
1da177e4 LT |
1778 | cnt; /* inverse of divisor (programmed into 8051) */ |
1779 | ||
deb91685 | 1780 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1781 | |
1782 | /* prevent divide by zero */ | |
deb91685 AC |
1783 | b16 = baud_rate * 16L; |
1784 | if (b16 == 0) | |
1785 | return KEYSPAN_INVALID_BAUD_RATE; | |
1786 | ||
1787 | /* calculate the divisor and the counter (its inverse) */ | |
1788 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1789 | if (div == 0) | |
1790 | return KEYSPAN_INVALID_BAUD_RATE; | |
1791 | else | |
1da177e4 | 1792 | cnt = 0 - div; |
1da177e4 | 1793 | |
deb91685 AC |
1794 | /* check for out of range, based on portnum, |
1795 | and return result */ | |
1796 | if (portnum == 0) { | |
1797 | if (div > 0xffff) | |
1798 | return KEYSPAN_INVALID_BAUD_RATE; | |
1799 | } else { | |
1800 | if (portnum == 1) { | |
1801 | if (div > 0xff) | |
1802 | return KEYSPAN_INVALID_BAUD_RATE; | |
1803 | } else | |
1804 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1805 | } |
1806 | ||
1807 | /* return the counter values if not NULL | |
1808 | (port 1 will ignore retHi) */ | |
deb91685 | 1809 | if (rate_low) |
1da177e4 | 1810 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1811 | if (rate_hi) |
1da177e4 | 1812 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 AC |
1813 | dbg("%s - %d OK.", __func__, baud_rate); |
1814 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1815 | } |
1816 | ||
1817 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1818 | struct usb_serial_port *port, | |
1819 | int reset_port) | |
1820 | { | |
deb91685 | 1821 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1822 | struct keyspan_serial_private *s_priv; |
1823 | struct keyspan_port_private *p_priv; | |
1824 | const struct keyspan_device_details *d_details; | |
1825 | int outcont_urb; | |
1826 | struct urb *this_urb; | |
1827 | int device_port, err; | |
1828 | ||
deb91685 | 1829 | dbg("%s reset=%d", __func__, reset_port); |
1da177e4 LT |
1830 | |
1831 | s_priv = usb_get_serial_data(serial); | |
1832 | p_priv = usb_get_serial_port_data(port); | |
1833 | d_details = s_priv->device_details; | |
1834 | device_port = port->number - port->serial->minor; | |
1835 | ||
1836 | outcont_urb = d_details->outcont_endpoints[port->number]; | |
1837 | this_urb = p_priv->outcont_urb; | |
1838 | ||
441b62c1 | 1839 | dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1840 | |
1841 | /* Make sure we have an urb then send the message */ | |
1842 | if (this_urb == NULL) { | |
441b62c1 | 1843 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
1844 | return -1; |
1845 | } | |
1846 | ||
1847 | /* Save reset port val for resend. | |
0ca1268e LM |
1848 | Don't overwrite resend for open/close condition. */ |
1849 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1850 | p_priv->resend_cont = reset_port + 1; |
1851 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 1852 | /* dbg("%s - already writing", __func__); */ |
1da177e4 | 1853 | mdelay(5); |
deb91685 | 1854 | return -1; |
1da177e4 LT |
1855 | } |
1856 | ||
deb91685 AC |
1857 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1858 | ||
1859 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1860 | if (p_priv->old_baud != p_priv->baud) { |
1861 | p_priv->old_baud = p_priv->baud; | |
1862 | msg.setClocking = 0xff; | |
1863 | if (d_details->calculate_baud_rate | |
1864 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
1865 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
1866 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
1867 | __func__, p_priv->baud); | |
1da177e4 LT |
1868 | msg.baudLo = 0; |
1869 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1870 | msg.prescaler = 10; | |
1871 | } | |
1872 | msg.setPrescaler = 0xff; | |
1873 | } | |
1874 | ||
1875 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
1876 | switch (p_priv->cflag & CSIZE) { | |
1877 | case CS5: | |
1878 | msg.lcr |= USA_DATABITS_5; | |
1879 | break; | |
1880 | case CS6: | |
1881 | msg.lcr |= USA_DATABITS_6; | |
1882 | break; | |
1883 | case CS7: | |
1884 | msg.lcr |= USA_DATABITS_7; | |
1885 | break; | |
1886 | case CS8: | |
1887 | msg.lcr |= USA_DATABITS_8; | |
1888 | break; | |
1889 | } | |
1890 | if (p_priv->cflag & PARENB) { | |
1891 | /* note USA_PARITY_NONE == 0 */ | |
1892 | msg.lcr |= (p_priv->cflag & PARODD)? | |
deb91685 | 1893 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1894 | } |
1895 | msg.setLcr = 0xff; | |
1896 | ||
1897 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1898 | msg.xonFlowControl = 0; | |
1899 | msg.setFlowControl = 0xff; | |
1900 | msg.forwardingLength = 16; | |
1901 | msg.xonChar = 17; | |
1902 | msg.xoffChar = 19; | |
1903 | ||
1904 | /* Opening port */ | |
1905 | if (reset_port == 1) { | |
1906 | msg._txOn = 1; | |
1907 | msg._txOff = 0; | |
1908 | msg.txFlush = 0; | |
1909 | msg.txBreak = 0; | |
1910 | msg.rxOn = 1; | |
1911 | msg.rxOff = 0; | |
1912 | msg.rxFlush = 1; | |
1913 | msg.rxForward = 0; | |
1914 | msg.returnStatus = 0; | |
1915 | msg.resetDataToggle = 0xff; | |
1916 | } | |
1917 | ||
1918 | /* Closing port */ | |
1919 | else if (reset_port == 2) { | |
1920 | msg._txOn = 0; | |
1921 | msg._txOff = 1; | |
1922 | msg.txFlush = 0; | |
1923 | msg.txBreak = 0; | |
1924 | msg.rxOn = 0; | |
1925 | msg.rxOff = 1; | |
1926 | msg.rxFlush = 1; | |
1927 | msg.rxForward = 0; | |
1928 | msg.returnStatus = 0; | |
1929 | msg.resetDataToggle = 0; | |
1930 | } | |
1931 | ||
1932 | /* Sending intermediate configs */ | |
1933 | else { | |
deb91685 | 1934 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1935 | msg._txOff = 0; |
1936 | msg.txFlush = 0; | |
1937 | msg.txBreak = (p_priv->break_on); | |
1938 | msg.rxOn = 0; | |
1939 | msg.rxOff = 0; | |
1940 | msg.rxFlush = 0; | |
1941 | msg.rxForward = 0; | |
1942 | msg.returnStatus = 0; | |
1943 | msg.resetDataToggle = 0x0; | |
1944 | } | |
1945 | ||
deb91685 | 1946 | /* Do handshaking outputs */ |
1da177e4 LT |
1947 | msg.setTxTriState_setRts = 0xff; |
1948 | msg.txTriState_rts = p_priv->rts_state; | |
1949 | ||
1950 | msg.setHskoa_setDtr = 0xff; | |
1951 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1952 | |
1da177e4 | 1953 | p_priv->resend_cont = 0; |
deb91685 AC |
1954 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1955 | ||
1da177e4 LT |
1956 | /* send the data out the device on control endpoint */ |
1957 | this_urb->transfer_buffer_length = sizeof(msg); | |
1958 | ||
1959 | this_urb->dev = serial->dev; | |
deb91685 AC |
1960 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1961 | if (err != 0) | |
441b62c1 | 1962 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
1963 | #if 0 |
1964 | else { | |
441b62c1 | 1965 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__ |
1da177e4 LT |
1966 | outcont_urb, this_urb->transfer_buffer_length, |
1967 | usb_pipeendpoint(this_urb->pipe)); | |
1968 | } | |
1969 | #endif | |
1970 | ||
a5b6f60c | 1971 | return 0; |
1da177e4 LT |
1972 | } |
1973 | ||
1974 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1975 | struct usb_serial_port *port, | |
1976 | int reset_port) | |
1977 | { | |
deb91685 | 1978 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1979 | struct keyspan_serial_private *s_priv; |
1980 | struct keyspan_port_private *p_priv; | |
1981 | const struct keyspan_device_details *d_details; | |
1982 | struct urb *this_urb; | |
1983 | int device_port, err; | |
1984 | ||
deb91685 | 1985 | dbg("%s", __func__); |
1da177e4 LT |
1986 | |
1987 | s_priv = usb_get_serial_data(serial); | |
1988 | p_priv = usb_get_serial_port_data(port); | |
1989 | d_details = s_priv->device_details; | |
1990 | device_port = port->number - port->serial->minor; | |
1991 | ||
1992 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1993 | this_urb = p_priv->outcont_urb; |
1994 | if (this_urb == NULL) { | |
441b62c1 | 1995 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
1996 | return -1; |
1997 | } | |
1998 | ||
1999 | /* Save reset port val for resend. | |
0ca1268e LM |
2000 | Don't overwrite resend for open/close condition. */ |
2001 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
2002 | p_priv->resend_cont = reset_port + 1; |
2003 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 2004 | dbg("%s already writing", __func__); |
1da177e4 | 2005 | mdelay(5); |
deb91685 | 2006 | return -1; |
1da177e4 LT |
2007 | } |
2008 | ||
deb91685 | 2009 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
2010 | |
2011 | msg.setBaudRate = 1; | |
2012 | if (d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, | |
deb91685 AC |
2013 | &msg.baudHi, &msg.baudLo, NULL, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
2014 | dbg("%s - Invalid baud rate requested %d.", | |
2015 | __func__, p_priv->baud); | |
1da177e4 LT |
2016 | msg.baudLo = 0xff; |
2017 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
2018 | } | |
2019 | ||
2020 | /* If parity is enabled, we must calculate it ourselves. */ | |
2021 | msg.parity = 0; /* XXX for now */ | |
2022 | ||
2023 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2024 | msg.xonFlowControl = 0; | |
2025 | ||
deb91685 | 2026 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
2027 | msg.rts = p_priv->rts_state; |
2028 | msg.dtr = p_priv->dtr_state; | |
2029 | ||
2030 | msg.forwardingLength = 16; | |
2031 | msg.forwardMs = 10; | |
2032 | msg.breakThreshold = 45; | |
2033 | msg.xonChar = 17; | |
2034 | msg.xoffChar = 19; | |
2035 | ||
2036 | /*msg.returnStatus = 1; | |
2037 | msg.resetDataToggle = 0xff;*/ | |
2038 | /* Opening port */ | |
2039 | if (reset_port == 1) { | |
2040 | msg._txOn = 1; | |
2041 | msg._txOff = 0; | |
2042 | msg.txFlush = 0; | |
2043 | msg.txForceXoff = 0; | |
2044 | msg.txBreak = 0; | |
2045 | msg.rxOn = 1; | |
2046 | msg.rxOff = 0; | |
2047 | msg.rxFlush = 1; | |
2048 | msg.rxForward = 0; | |
2049 | msg.returnStatus = 0; | |
2050 | msg.resetDataToggle = 0xff; | |
2051 | } | |
2052 | /* Closing port */ | |
2053 | else if (reset_port == 2) { | |
2054 | msg._txOn = 0; | |
2055 | msg._txOff = 1; | |
2056 | msg.txFlush = 0; | |
2057 | msg.txForceXoff = 0; | |
2058 | msg.txBreak = 0; | |
2059 | msg.rxOn = 0; | |
2060 | msg.rxOff = 1; | |
2061 | msg.rxFlush = 1; | |
2062 | msg.rxForward = 0; | |
2063 | msg.returnStatus = 0; | |
2064 | msg.resetDataToggle = 0; | |
2065 | } | |
2066 | /* Sending intermediate configs */ | |
2067 | else { | |
deb91685 | 2068 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2069 | msg._txOff = 0; |
2070 | msg.txFlush = 0; | |
2071 | msg.txForceXoff = 0; | |
2072 | msg.txBreak = (p_priv->break_on); | |
2073 | msg.rxOn = 0; | |
2074 | msg.rxOff = 0; | |
2075 | msg.rxFlush = 0; | |
2076 | msg.rxForward = 0; | |
2077 | msg.returnStatus = 0; | |
2078 | msg.resetDataToggle = 0x0; | |
2079 | } | |
2080 | ||
2081 | p_priv->resend_cont = 0; | |
deb91685 | 2082 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
2083 | |
2084 | /* send the data out the device on control endpoint */ | |
2085 | this_urb->transfer_buffer_length = sizeof(msg); | |
2086 | ||
2087 | this_urb->dev = serial->dev; | |
deb91685 AC |
2088 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2089 | if (err != 0) | |
441b62c1 | 2090 | dbg("%s - usb_submit_urb(setup) failed", __func__); |
1da177e4 LT |
2091 | #if 0 |
2092 | else { | |
441b62c1 | 2093 | dbg("%s - usb_submit_urb(setup) OK %d bytes", __func__, |
1da177e4 LT |
2094 | this_urb->transfer_buffer_length); |
2095 | } | |
2096 | #endif | |
2097 | ||
a5b6f60c | 2098 | return 0; |
1da177e4 LT |
2099 | } |
2100 | ||
2101 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
2102 | struct usb_serial_port *port, | |
2103 | int reset_port) | |
2104 | { | |
0ca1268e LM |
2105 | struct keyspan_usa49_portControlMessage msg; |
2106 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
2107 | struct keyspan_serial_private *s_priv; |
2108 | struct keyspan_port_private *p_priv; | |
2109 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
2110 | struct urb *this_urb; |
2111 | int err, device_port; | |
2112 | ||
deb91685 | 2113 | dbg("%s", __func__); |
1da177e4 LT |
2114 | |
2115 | s_priv = usb_get_serial_data(serial); | |
2116 | p_priv = usb_get_serial_port_data(port); | |
2117 | d_details = s_priv->device_details; | |
2118 | ||
1da177e4 LT |
2119 | this_urb = s_priv->glocont_urb; |
2120 | ||
0ca1268e | 2121 | /* Work out which port within the device is being setup */ |
1da177e4 LT |
2122 | device_port = port->number - port->serial->minor; |
2123 | ||
deb91685 AC |
2124 | dbg("%s - endpoint %d port %d (%d)", |
2125 | __func__, usb_pipeendpoint(this_urb->pipe), | |
2126 | port->number, device_port); | |
1da177e4 LT |
2127 | |
2128 | /* Make sure we have an urb then send the message */ | |
2129 | if (this_urb == NULL) { | |
441b62c1 | 2130 | dbg("%s - oops no urb for port %d.", __func__, port->number); |
1da177e4 LT |
2131 | return -1; |
2132 | } | |
2133 | ||
2134 | /* Save reset port val for resend. | |
0ca1268e LM |
2135 | Don't overwrite resend for open/close condition. */ |
2136 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 2137 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 2138 | |
1da177e4 | 2139 | if (this_urb->status == -EINPROGRESS) { |
deb91685 | 2140 | /* dbg("%s - already writing", __func__); */ |
1da177e4 | 2141 | mdelay(5); |
deb91685 | 2142 | return -1; |
1da177e4 LT |
2143 | } |
2144 | ||
deb91685 | 2145 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 LT |
2146 | |
2147 | /*msg.portNumber = port->number;*/ | |
2148 | msg.portNumber = device_port; | |
deb91685 AC |
2149 | |
2150 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
2151 | if (p_priv->old_baud != p_priv->baud) { |
2152 | p_priv->old_baud = p_priv->baud; | |
2153 | msg.setClocking = 0xff; | |
2154 | if (d_details->calculate_baud_rate | |
2155 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
2156 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
2157 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
2158 | __func__, p_priv->baud); | |
1da177e4 LT |
2159 | msg.baudLo = 0; |
2160 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2161 | msg.prescaler = 10; | |
2162 | } | |
deb91685 | 2163 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
2164 | } |
2165 | ||
2166 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
2167 | switch (p_priv->cflag & CSIZE) { | |
2168 | case CS5: | |
2169 | msg.lcr |= USA_DATABITS_5; | |
2170 | break; | |
2171 | case CS6: | |
2172 | msg.lcr |= USA_DATABITS_6; | |
2173 | break; | |
2174 | case CS7: | |
2175 | msg.lcr |= USA_DATABITS_7; | |
2176 | break; | |
2177 | case CS8: | |
2178 | msg.lcr |= USA_DATABITS_8; | |
2179 | break; | |
2180 | } | |
2181 | if (p_priv->cflag & PARENB) { | |
2182 | /* note USA_PARITY_NONE == 0 */ | |
2183 | msg.lcr |= (p_priv->cflag & PARODD)? | |
deb91685 | 2184 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2185 | } |
2186 | msg.setLcr = 0xff; | |
2187 | ||
2188 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2189 | msg.xonFlowControl = 0; | |
2190 | msg.setFlowControl = 0xff; | |
deb91685 | 2191 | |
1da177e4 LT |
2192 | msg.forwardingLength = 16; |
2193 | msg.xonChar = 17; | |
2194 | msg.xoffChar = 19; | |
2195 | ||
deb91685 | 2196 | /* Opening port */ |
1da177e4 LT |
2197 | if (reset_port == 1) { |
2198 | msg._txOn = 1; | |
2199 | msg._txOff = 0; | |
2200 | msg.txFlush = 0; | |
2201 | msg.txBreak = 0; | |
2202 | msg.rxOn = 1; | |
2203 | msg.rxOff = 0; | |
2204 | msg.rxFlush = 1; | |
2205 | msg.rxForward = 0; | |
2206 | msg.returnStatus = 0; | |
2207 | msg.resetDataToggle = 0xff; | |
2208 | msg.enablePort = 1; | |
2209 | msg.disablePort = 0; | |
2210 | } | |
2211 | /* Closing port */ | |
2212 | else if (reset_port == 2) { | |
2213 | msg._txOn = 0; | |
2214 | msg._txOff = 1; | |
2215 | msg.txFlush = 0; | |
2216 | msg.txBreak = 0; | |
2217 | msg.rxOn = 0; | |
2218 | msg.rxOff = 1; | |
2219 | msg.rxFlush = 1; | |
2220 | msg.rxForward = 0; | |
2221 | msg.returnStatus = 0; | |
2222 | msg.resetDataToggle = 0; | |
2223 | msg.enablePort = 0; | |
2224 | msg.disablePort = 1; | |
2225 | } | |
2226 | /* Sending intermediate configs */ | |
2227 | else { | |
deb91685 | 2228 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2229 | msg._txOff = 0; |
2230 | msg.txFlush = 0; | |
2231 | msg.txBreak = (p_priv->break_on); | |
2232 | msg.rxOn = 0; | |
2233 | msg.rxOff = 0; | |
2234 | msg.rxFlush = 0; | |
2235 | msg.rxForward = 0; | |
2236 | msg.returnStatus = 0; | |
2237 | msg.resetDataToggle = 0x0; | |
2238 | msg.enablePort = 0; | |
2239 | msg.disablePort = 0; | |
2240 | } | |
2241 | ||
deb91685 | 2242 | /* Do handshaking outputs */ |
1da177e4 LT |
2243 | msg.setRts = 0xff; |
2244 | msg.rts = p_priv->rts_state; | |
2245 | ||
2246 | msg.setDtr = 0xff; | |
2247 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2248 | |
1da177e4 | 2249 | p_priv->resend_cont = 0; |
0ca1268e | 2250 | |
deb91685 AC |
2251 | /* if the device is a 49wg, we send control message on usb |
2252 | control EP 0 */ | |
0ca1268e LM |
2253 | |
2254 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
2255 | dr = (void *)(s_priv->ctrl_buf); | |
2256 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
2257 | dr->bRequest = 0xB0; /* 49wg control message */; | |
2258 | dr->wValue = 0; | |
2259 | dr->wIndex = 0; | |
2260 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2261 | ||
deb91685 | 2262 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 2263 | |
deb91685 AC |
2264 | usb_fill_control_urb(this_urb, serial->dev, |
2265 | usb_sndctrlpipe(serial->dev, 0), | |
2266 | (unsigned char *)dr, s_priv->glocont_buf, | |
2267 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
2268 | |
2269 | } else { | |
2270 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 2271 | |
0ca1268e LM |
2272 | /* send the data out the device on control endpoint */ |
2273 | this_urb->transfer_buffer_length = sizeof(msg); | |
1da177e4 | 2274 | |
0ca1268e LM |
2275 | this_urb->dev = serial->dev; |
2276 | } | |
deb91685 AC |
2277 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2278 | if (err != 0) | |
441b62c1 | 2279 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
2280 | #if 0 |
2281 | else { | |
441b62c1 | 2282 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__, |
0ca1268e LM |
2283 | outcont_urb, this_urb->transfer_buffer_length, |
2284 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
2285 | } |
2286 | #endif | |
2287 | ||
a5b6f60c | 2288 | return 0; |
1da177e4 LT |
2289 | } |
2290 | ||
2291 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2292 | struct usb_serial_port *port, | |
2293 | int reset_port) | |
2294 | { | |
deb91685 | 2295 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
2296 | struct keyspan_serial_private *s_priv; |
2297 | struct keyspan_port_private *p_priv; | |
2298 | const struct keyspan_device_details *d_details; | |
2299 | struct urb *this_urb; | |
2300 | int err; | |
2301 | u8 prescaler; | |
2302 | ||
deb91685 | 2303 | dbg("%s", __func__); |
1da177e4 LT |
2304 | |
2305 | s_priv = usb_get_serial_data(serial); | |
2306 | p_priv = usb_get_serial_port_data(port); | |
2307 | d_details = s_priv->device_details; | |
2308 | ||
2309 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2310 | this_urb = p_priv->outcont_urb; |
2311 | if (this_urb == NULL) { | |
441b62c1 | 2312 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
2313 | return -1; |
2314 | } | |
2315 | ||
2316 | /* Save reset port val for resend. | |
2317 | Don't overwrite resend for open/close condition. */ | |
2318 | if ((reset_port + 1) > p_priv->resend_cont) | |
2319 | p_priv->resend_cont = reset_port + 1; | |
2320 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 2321 | dbg("%s already writing", __func__); |
1da177e4 | 2322 | mdelay(5); |
deb91685 | 2323 | return -1; |
1da177e4 LT |
2324 | } |
2325 | ||
deb91685 | 2326 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2327 | |
deb91685 | 2328 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2329 | if (p_priv->old_baud != p_priv->baud) { |
2330 | p_priv->old_baud = p_priv->baud; | |
2331 | msg.setClocking = 0x01; | |
2332 | if (d_details->calculate_baud_rate | |
2333 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
2334 | &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { |
2335 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
2336 | __func__, p_priv->baud); | |
1da177e4 | 2337 | p_priv->baud = 9600; |
deb91685 | 2338 | d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2339 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2340 | } | |
2341 | msg.setRxMode = 1; | |
2342 | msg.setTxMode = 1; | |
2343 | } | |
2344 | ||
2345 | /* modes must always be correctly specified */ | |
deb91685 | 2346 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2347 | msg.rxMode = RXMODE_DMA; |
2348 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2349 | } else { |
1da177e4 LT |
2350 | msg.rxMode = RXMODE_BYHAND; |
2351 | msg.txMode = TXMODE_BYHAND; | |
2352 | } | |
2353 | ||
2354 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
2355 | switch (p_priv->cflag & CSIZE) { | |
2356 | case CS5: | |
2357 | msg.lcr |= USA_DATABITS_5; | |
2358 | break; | |
2359 | case CS6: | |
2360 | msg.lcr |= USA_DATABITS_6; | |
2361 | break; | |
2362 | case CS7: | |
2363 | msg.lcr |= USA_DATABITS_7; | |
2364 | break; | |
2365 | case CS8: | |
2366 | msg.lcr |= USA_DATABITS_8; | |
2367 | break; | |
2368 | } | |
2369 | if (p_priv->cflag & PARENB) { | |
2370 | /* note USA_PARITY_NONE == 0 */ | |
2371 | msg.lcr |= (p_priv->cflag & PARODD)? | |
deb91685 | 2372 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2373 | } |
2374 | if (p_priv->old_cflag != p_priv->cflag) { | |
2375 | p_priv->old_cflag = p_priv->cflag; | |
2376 | msg.setLcr = 0x01; | |
2377 | } | |
2378 | ||
2379 | if (p_priv->flow_control == flow_cts) | |
2380 | msg.txFlowControl = TXFLOW_CTS; | |
2381 | msg.setTxFlowControl = 0x01; | |
2382 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2383 | |
1da177e4 | 2384 | msg.rxForwardingLength = 16; |
deb91685 | 2385 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2386 | msg.txAckSetting = 0; |
2387 | msg.xonChar = 17; | |
2388 | msg.xoffChar = 19; | |
2389 | ||
deb91685 | 2390 | /* Opening port */ |
1da177e4 LT |
2391 | if (reset_port == 1) { |
2392 | msg.portEnabled = 1; | |
2393 | msg.rxFlush = 1; | |
2394 | msg.txBreak = (p_priv->break_on); | |
2395 | } | |
2396 | /* Closing port */ | |
deb91685 | 2397 | else if (reset_port == 2) |
1da177e4 | 2398 | msg.portEnabled = 0; |
1da177e4 LT |
2399 | /* Sending intermediate configs */ |
2400 | else { | |
1f87158e | 2401 | msg.portEnabled = 1; |
1da177e4 LT |
2402 | msg.txBreak = (p_priv->break_on); |
2403 | } | |
2404 | ||
deb91685 | 2405 | /* Do handshaking outputs */ |
1da177e4 LT |
2406 | msg.setRts = 0x01; |
2407 | msg.rts = p_priv->rts_state; | |
2408 | ||
2409 | msg.setDtr = 0x01; | |
2410 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2411 | |
1da177e4 | 2412 | p_priv->resend_cont = 0; |
deb91685 AC |
2413 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2414 | ||
1da177e4 LT |
2415 | /* send the data out the device on control endpoint */ |
2416 | this_urb->transfer_buffer_length = sizeof(msg); | |
2417 | ||
2418 | this_urb->dev = serial->dev; | |
deb91685 AC |
2419 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2420 | if (err != 0) | |
441b62c1 | 2421 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
a5b6f60c | 2422 | return 0; |
1da177e4 LT |
2423 | } |
2424 | ||
0ca1268e LM |
2425 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2426 | struct usb_serial_port *port, | |
2427 | int reset_port) | |
2428 | { | |
2429 | struct keyspan_usa67_portControlMessage msg; | |
2430 | struct keyspan_serial_private *s_priv; | |
2431 | struct keyspan_port_private *p_priv; | |
2432 | const struct keyspan_device_details *d_details; | |
2433 | struct urb *this_urb; | |
2434 | int err, device_port; | |
2435 | ||
deb91685 | 2436 | dbg("%s", __func__); |
0ca1268e LM |
2437 | |
2438 | s_priv = usb_get_serial_data(serial); | |
2439 | p_priv = usb_get_serial_port_data(port); | |
2440 | d_details = s_priv->device_details; | |
2441 | ||
2442 | this_urb = s_priv->glocont_urb; | |
2443 | ||
2444 | /* Work out which port within the device is being setup */ | |
2445 | device_port = port->number - port->serial->minor; | |
2446 | ||
2447 | /* Make sure we have an urb then send the message */ | |
2448 | if (this_urb == NULL) { | |
441b62c1 | 2449 | dbg("%s - oops no urb for port %d.", __func__, |
0ca1268e LM |
2450 | port->number); |
2451 | return -1; | |
2452 | } | |
2453 | ||
2454 | /* Save reset port val for resend. | |
2455 | Don't overwrite resend for open/close condition. */ | |
2456 | if ((reset_port + 1) > p_priv->resend_cont) | |
2457 | p_priv->resend_cont = reset_port + 1; | |
2458 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 2459 | /* dbg("%s - already writing", __func__); */ |
0ca1268e | 2460 | mdelay(5); |
deb91685 | 2461 | return -1; |
0ca1268e LM |
2462 | } |
2463 | ||
2464 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2465 | ||
2466 | msg.port = device_port; | |
2467 | ||
2468 | /* Only set baud rate if it's changed */ | |
2469 | if (p_priv->old_baud != p_priv->baud) { | |
2470 | p_priv->old_baud = p_priv->baud; | |
2471 | msg.setClocking = 0xff; | |
2472 | if (d_details->calculate_baud_rate | |
2473 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
2474 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
2475 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
2476 | __func__, p_priv->baud); | |
0ca1268e LM |
2477 | msg.baudLo = 0; |
2478 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2479 | msg.prescaler = 10; | |
2480 | } | |
2481 | msg.setPrescaler = 0xff; | |
2482 | } | |
2483 | ||
2484 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2485 | switch (p_priv->cflag & CSIZE) { | |
2486 | case CS5: | |
2487 | msg.lcr |= USA_DATABITS_5; | |
2488 | break; | |
2489 | case CS6: | |
2490 | msg.lcr |= USA_DATABITS_6; | |
2491 | break; | |
2492 | case CS7: | |
2493 | msg.lcr |= USA_DATABITS_7; | |
2494 | break; | |
2495 | case CS8: | |
2496 | msg.lcr |= USA_DATABITS_8; | |
2497 | break; | |
2498 | } | |
2499 | if (p_priv->cflag & PARENB) { | |
2500 | /* note USA_PARITY_NONE == 0 */ | |
2501 | msg.lcr |= (p_priv->cflag & PARODD)? | |
deb91685 | 2502 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2503 | } |
2504 | msg.setLcr = 0xff; | |
2505 | ||
2506 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2507 | msg.xonFlowControl = 0; | |
2508 | msg.setFlowControl = 0xff; | |
2509 | msg.forwardingLength = 16; | |
2510 | msg.xonChar = 17; | |
2511 | msg.xoffChar = 19; | |
2512 | ||
2513 | if (reset_port == 1) { | |
2514 | /* Opening port */ | |
2515 | msg._txOn = 1; | |
2516 | msg._txOff = 0; | |
2517 | msg.txFlush = 0; | |
2518 | msg.txBreak = 0; | |
2519 | msg.rxOn = 1; | |
2520 | msg.rxOff = 0; | |
2521 | msg.rxFlush = 1; | |
2522 | msg.rxForward = 0; | |
2523 | msg.returnStatus = 0; | |
2524 | msg.resetDataToggle = 0xff; | |
2525 | } else if (reset_port == 2) { | |
2526 | /* Closing port */ | |
2527 | msg._txOn = 0; | |
2528 | msg._txOff = 1; | |
2529 | msg.txFlush = 0; | |
2530 | msg.txBreak = 0; | |
2531 | msg.rxOn = 0; | |
2532 | msg.rxOff = 1; | |
2533 | msg.rxFlush = 1; | |
2534 | msg.rxForward = 0; | |
2535 | msg.returnStatus = 0; | |
2536 | msg.resetDataToggle = 0; | |
2537 | } else { | |
2538 | /* Sending intermediate configs */ | |
deb91685 | 2539 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2540 | msg._txOff = 0; |
2541 | msg.txFlush = 0; | |
2542 | msg.txBreak = (p_priv->break_on); | |
2543 | msg.rxOn = 0; | |
2544 | msg.rxOff = 0; | |
2545 | msg.rxFlush = 0; | |
2546 | msg.rxForward = 0; | |
2547 | msg.returnStatus = 0; | |
2548 | msg.resetDataToggle = 0x0; | |
2549 | } | |
2550 | ||
2551 | /* Do handshaking outputs */ | |
2552 | msg.setTxTriState_setRts = 0xff; | |
2553 | msg.txTriState_rts = p_priv->rts_state; | |
2554 | ||
2555 | msg.setHskoa_setDtr = 0xff; | |
2556 | msg.hskoa_dtr = p_priv->dtr_state; | |
2557 | ||
2558 | p_priv->resend_cont = 0; | |
2559 | ||
2560 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2561 | ||
2562 | /* send the data out the device on control endpoint */ | |
2563 | this_urb->transfer_buffer_length = sizeof(msg); | |
2564 | this_urb->dev = serial->dev; | |
2565 | ||
2566 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2567 | if (err != 0) | |
441b62c1 | 2568 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, |
0ca1268e | 2569 | err); |
a5b6f60c | 2570 | return 0; |
0ca1268e LM |
2571 | } |
2572 | ||
1da177e4 LT |
2573 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2574 | { | |
2575 | struct usb_serial *serial = port->serial; | |
2576 | struct keyspan_serial_private *s_priv; | |
2577 | const struct keyspan_device_details *d_details; | |
2578 | ||
deb91685 | 2579 | dbg("%s", __func__); |
1da177e4 LT |
2580 | |
2581 | s_priv = usb_get_serial_data(serial); | |
2582 | d_details = s_priv->device_details; | |
2583 | ||
2584 | switch (d_details->msg_format) { | |
2585 | case msg_usa26: | |
2586 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2587 | break; | |
2588 | case msg_usa28: | |
2589 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2590 | break; | |
2591 | case msg_usa49: | |
2592 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2593 | break; | |
2594 | case msg_usa90: | |
2595 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2596 | break; | |
0ca1268e LM |
2597 | case msg_usa67: |
2598 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2599 | break; | |
1da177e4 LT |
2600 | } |
2601 | } | |
2602 | ||
2603 | ||
2604 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2605 | and renumeration has taken place. */ | |
deb91685 | 2606 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2607 | { |
2608 | int i, err; | |
2609 | struct usb_serial_port *port; | |
2610 | struct keyspan_serial_private *s_priv; | |
2611 | struct keyspan_port_private *p_priv; | |
2612 | const struct keyspan_device_details *d_details; | |
2613 | ||
441b62c1 | 2614 | dbg("%s", __func__); |
1da177e4 LT |
2615 | |
2616 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) | |
deb91685 AC |
2617 | if (d_details->product_id == |
2618 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2619 | break; |
2620 | if (d_details == NULL) { | |
deb91685 AC |
2621 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2622 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1da177e4 LT |
2623 | return 1; |
2624 | } | |
2625 | ||
2626 | /* Setup private data for serial driver */ | |
80b6ca48 | 2627 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2628 | if (!s_priv) { |
deb91685 AC |
2629 | dbg("%s - kmalloc for keyspan_serial_private failed.", |
2630 | __func__); | |
1da177e4 LT |
2631 | return -ENOMEM; |
2632 | } | |
1da177e4 LT |
2633 | |
2634 | s_priv->device_details = d_details; | |
2635 | usb_set_serial_data(serial, s_priv); | |
2636 | ||
2637 | /* Now setup per port private data */ | |
2638 | for (i = 0; i < serial->num_ports; i++) { | |
2639 | port = serial->port[i]; | |
deb91685 AC |
2640 | p_priv = kzalloc(sizeof(struct keyspan_port_private), |
2641 | GFP_KERNEL); | |
1da177e4 | 2642 | if (!p_priv) { |
441b62c1 | 2643 | dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __func__, i); |
deb91685 | 2644 | return 1; |
1da177e4 | 2645 | } |
1da177e4 LT |
2646 | p_priv->device_details = d_details; |
2647 | usb_set_serial_port_data(port, p_priv); | |
2648 | } | |
2649 | ||
2650 | keyspan_setup_urbs(serial); | |
2651 | ||
0ca1268e LM |
2652 | if (s_priv->instat_urb != NULL) { |
2653 | s_priv->instat_urb->dev = serial->dev; | |
2654 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); | |
2655 | if (err != 0) | |
441b62c1 | 2656 | dbg("%s - submit instat urb failed %d", __func__, |
0ca1268e LM |
2657 | err); |
2658 | } | |
2659 | if (s_priv->indat_urb != NULL) { | |
2660 | s_priv->indat_urb->dev = serial->dev; | |
2661 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); | |
2662 | if (err != 0) | |
441b62c1 | 2663 | dbg("%s - submit indat urb failed %d", __func__, |
0ca1268e | 2664 | err); |
1da177e4 | 2665 | } |
deb91685 | 2666 | |
a5b6f60c | 2667 | return 0; |
1da177e4 LT |
2668 | } |
2669 | ||
f9c99bb8 | 2670 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 LT |
2671 | { |
2672 | int i, j; | |
2673 | struct usb_serial_port *port; | |
2674 | struct keyspan_serial_private *s_priv; | |
2675 | struct keyspan_port_private *p_priv; | |
2676 | ||
441b62c1 | 2677 | dbg("%s", __func__); |
1da177e4 LT |
2678 | |
2679 | s_priv = usb_get_serial_data(serial); | |
2680 | ||
2681 | /* Stop reading/writing urbs */ | |
2682 | stop_urb(s_priv->instat_urb); | |
2683 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2684 | stop_urb(s_priv->indat_urb); |
1da177e4 LT |
2685 | for (i = 0; i < serial->num_ports; ++i) { |
2686 | port = serial->port[i]; | |
2687 | p_priv = usb_get_serial_port_data(port); | |
2688 | stop_urb(p_priv->inack_urb); | |
2689 | stop_urb(p_priv->outcont_urb); | |
2690 | for (j = 0; j < 2; j++) { | |
2691 | stop_urb(p_priv->in_urbs[j]); | |
2692 | stop_urb(p_priv->out_urbs[j]); | |
2693 | } | |
2694 | } | |
2695 | ||
2696 | /* Now free them */ | |
1cadc137 | 2697 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2698 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2699 | usb_free_urb(s_priv->glocont_urb); |
1da177e4 LT |
2700 | for (i = 0; i < serial->num_ports; ++i) { |
2701 | port = serial->port[i]; | |
2702 | p_priv = usb_get_serial_port_data(port); | |
1cadc137 MK |
2703 | usb_free_urb(p_priv->inack_urb); |
2704 | usb_free_urb(p_priv->outcont_urb); | |
1da177e4 | 2705 | for (j = 0; j < 2; j++) { |
1cadc137 MK |
2706 | usb_free_urb(p_priv->in_urbs[j]); |
2707 | usb_free_urb(p_priv->out_urbs[j]); | |
1da177e4 LT |
2708 | } |
2709 | } | |
f9c99bb8 AS |
2710 | } |
2711 | ||
2712 | static void keyspan_release(struct usb_serial *serial) | |
2713 | { | |
2714 | int i; | |
2715 | struct usb_serial_port *port; | |
2716 | struct keyspan_serial_private *s_priv; | |
2717 | ||
2718 | dbg("%s", __func__); | |
2719 | ||
2720 | s_priv = usb_get_serial_data(serial); | |
1da177e4 LT |
2721 | |
2722 | /* dbg("Freeing serial->private."); */ | |
2723 | kfree(s_priv); | |
2724 | ||
2725 | /* dbg("Freeing port->private."); */ | |
2726 | /* Now free per port private data */ | |
2727 | for (i = 0; i < serial->num_ports; i++) { | |
2728 | port = serial->port[i]; | |
2729 | kfree(usb_get_serial_port_data(port)); | |
2730 | } | |
2731 | } | |
2732 | ||
deb91685 AC |
2733 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2734 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2735 | MODULE_LICENSE("GPL"); |
2736 | ||
2971c579 DW |
2737 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2738 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2739 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2740 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2741 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2742 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2743 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2744 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2745 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2746 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2747 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2748 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); | |
2749 | ||
1da177e4 LT |
2750 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
2751 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
2752 |