Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
3 | ||
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> | |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
6 | ||
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 | ||
12 | See http://misc.nu/hugh/keyspan.html for more information. | |
13 | ||
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 :) | |
20 | ||
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 | |
24 | stuff. | |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
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 | |
73 | ||
74 | (04/08/2001) gb | |
75 | Identify version on module load. | |
76 | ||
77 | (11/01/2000) Adam J. Richter | |
78 | usb_device_id table support. | |
79 | ||
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... | |
83 | ||
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. | |
87 | ||
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> | |
108 | #include <asm/uaccess.h> | |
109 | #include <linux/usb.h> | |
a969888c | 110 | #include <linux/usb/serial.h> |
1da177e4 LT |
111 | #include "keyspan.h" |
112 | ||
113 | static int debug; | |
114 | ||
115 | /* | |
116 | * Version Information | |
117 | */ | |
0ca1268e | 118 | #define DRIVER_VERSION "v1.1.5" |
1da177e4 LT |
119 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
120 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
121 | ||
122 | #define INSTAT_BUFLEN 32 | |
123 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 124 | #define INDAT49W_BUFLEN 512 |
1da177e4 LT |
125 | |
126 | /* Per device and per port private data */ | |
127 | struct keyspan_serial_private { | |
128 | const struct keyspan_device_details *device_details; | |
129 | ||
130 | struct urb *instat_urb; | |
131 | char instat_buf[INSTAT_BUFLEN]; | |
132 | ||
0ca1268e LM |
133 | /* added to support 49wg, where data from all 4 ports comes in on 1 EP */ |
134 | /* and high-speed supported */ | |
135 | struct urb *indat_urb; | |
136 | char indat_buf[INDAT49W_BUFLEN]; | |
137 | ||
1da177e4 LT |
138 | /* XXX this one probably will need a lock */ |
139 | struct urb *glocont_urb; | |
140 | char glocont_buf[GLOCONT_BUFLEN]; | |
0ca1268e | 141 | char ctrl_buf[8]; // for EP0 control message |
1da177e4 LT |
142 | }; |
143 | ||
144 | struct keyspan_port_private { | |
145 | /* Keep track of which input & output endpoints to use */ | |
146 | int in_flip; | |
147 | int out_flip; | |
148 | ||
149 | /* Keep duplicate of device details in each port | |
150 | structure as well - simplifies some of the | |
151 | callback functions etc. */ | |
152 | const struct keyspan_device_details *device_details; | |
153 | ||
154 | /* Input endpoints and buffer for this port */ | |
155 | struct urb *in_urbs[2]; | |
156 | char in_buffer[2][64]; | |
157 | /* Output endpoints and buffer for this port */ | |
158 | struct urb *out_urbs[2]; | |
159 | char out_buffer[2][64]; | |
160 | ||
161 | /* Input ack endpoint */ | |
162 | struct urb *inack_urb; | |
163 | char inack_buffer[1]; | |
164 | ||
165 | /* Output control endpoint */ | |
166 | struct urb *outcont_urb; | |
167 | char outcont_buffer[64]; | |
168 | ||
169 | /* Settings for the port */ | |
170 | int baud; | |
171 | int old_baud; | |
172 | unsigned int cflag; | |
173 | unsigned int old_cflag; | |
174 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
175 | int rts_state; /* Handshaking pins (outputs) */ | |
176 | int dtr_state; | |
177 | int cts_state; /* Handshaking pins (inputs) */ | |
178 | int dsr_state; | |
179 | int dcd_state; | |
180 | int ri_state; | |
181 | int break_on; | |
182 | ||
183 | unsigned long tx_start_time[2]; | |
184 | int resend_cont; /* need to resend control packet */ | |
185 | }; | |
186 | ||
187 | ||
188 | /* Include Keyspan message headers. All current Keyspan Adapters | |
0ca1268e LM |
189 | make use of one of five message formats which are referred |
190 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and within this driver. */ | |
1da177e4 LT |
191 | #include "keyspan_usa26msg.h" |
192 | #include "keyspan_usa28msg.h" | |
193 | #include "keyspan_usa49msg.h" | |
194 | #include "keyspan_usa90msg.h" | |
0ca1268e | 195 | #include "keyspan_usa67msg.h" |
1da177e4 LT |
196 | |
197 | ||
198 | /* Functions used by new usb-serial code. */ | |
199 | static int __init keyspan_init (void) | |
200 | { | |
201 | int retval; | |
202 | retval = usb_serial_register(&keyspan_pre_device); | |
203 | if (retval) | |
204 | goto failed_pre_device_register; | |
205 | retval = usb_serial_register(&keyspan_1port_device); | |
206 | if (retval) | |
207 | goto failed_1port_device_register; | |
208 | retval = usb_serial_register(&keyspan_2port_device); | |
209 | if (retval) | |
210 | goto failed_2port_device_register; | |
211 | retval = usb_serial_register(&keyspan_4port_device); | |
212 | if (retval) | |
213 | goto failed_4port_device_register; | |
214 | retval = usb_register(&keyspan_driver); | |
215 | if (retval) | |
216 | goto failed_usb_register; | |
217 | ||
218 | info(DRIVER_VERSION ":" DRIVER_DESC); | |
219 | ||
220 | return 0; | |
221 | failed_usb_register: | |
222 | usb_serial_deregister(&keyspan_4port_device); | |
223 | failed_4port_device_register: | |
224 | usb_serial_deregister(&keyspan_2port_device); | |
225 | failed_2port_device_register: | |
226 | usb_serial_deregister(&keyspan_1port_device); | |
227 | failed_1port_device_register: | |
228 | usb_serial_deregister(&keyspan_pre_device); | |
229 | failed_pre_device_register: | |
230 | return retval; | |
231 | } | |
232 | ||
233 | static void __exit keyspan_exit (void) | |
234 | { | |
235 | usb_deregister (&keyspan_driver); | |
236 | usb_serial_deregister (&keyspan_pre_device); | |
237 | usb_serial_deregister (&keyspan_1port_device); | |
238 | usb_serial_deregister (&keyspan_2port_device); | |
239 | usb_serial_deregister (&keyspan_4port_device); | |
240 | } | |
241 | ||
242 | module_init(keyspan_init); | |
243 | module_exit(keyspan_exit); | |
244 | ||
245 | static void keyspan_rx_throttle (struct usb_serial_port *port) | |
246 | { | |
441b62c1 | 247 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
248 | } |
249 | ||
250 | ||
251 | static void keyspan_rx_unthrottle (struct usb_serial_port *port) | |
252 | { | |
441b62c1 | 253 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
254 | } |
255 | ||
256 | ||
257 | static void keyspan_break_ctl (struct usb_serial_port *port, int break_state) | |
258 | { | |
259 | struct keyspan_port_private *p_priv; | |
260 | ||
441b62c1 | 261 | dbg("%s", __func__); |
1da177e4 LT |
262 | |
263 | p_priv = usb_get_serial_port_data(port); | |
264 | ||
265 | if (break_state == -1) | |
266 | p_priv->break_on = 1; | |
267 | else | |
268 | p_priv->break_on = 0; | |
269 | ||
270 | keyspan_send_setup(port, 0); | |
271 | } | |
272 | ||
273 | ||
274 | static void keyspan_set_termios (struct usb_serial_port *port, | |
606d099c | 275 | struct ktermios *old_termios) |
1da177e4 LT |
276 | { |
277 | int baud_rate, device_port; | |
278 | struct keyspan_port_private *p_priv; | |
279 | const struct keyspan_device_details *d_details; | |
280 | unsigned int cflag; | |
74240b07 | 281 | struct tty_struct *tty = port->tty; |
1da177e4 | 282 | |
441b62c1 | 283 | dbg("%s", __func__); |
1da177e4 LT |
284 | |
285 | p_priv = usb_get_serial_port_data(port); | |
286 | d_details = p_priv->device_details; | |
74240b07 | 287 | cflag = tty->termios->c_cflag; |
1da177e4 LT |
288 | device_port = port->number - port->serial->minor; |
289 | ||
290 | /* Baud rate calculation takes baud rate as an integer | |
291 | so other rates can be generated if desired. */ | |
74240b07 | 292 | baud_rate = tty_get_baud_rate(tty); |
1da177e4 | 293 | /* If no match or invalid, don't change */ |
74240b07 | 294 | if (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, |
1da177e4 LT |
295 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
296 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 297 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 298 | p_priv->baud = baud_rate; |
74240b07 AC |
299 | } else |
300 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 301 | |
74240b07 | 302 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
303 | /* set CTS/RTS handshake etc. */ |
304 | p_priv->cflag = cflag; | |
305 | p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; | |
306 | ||
74240b07 AC |
307 | /* Mark/Space not supported */ |
308 | tty->termios->c_cflag &= ~CMSPAR; | |
309 | ||
1da177e4 LT |
310 | keyspan_send_setup(port, 0); |
311 | } | |
312 | ||
313 | static int keyspan_tiocmget(struct usb_serial_port *port, struct file *file) | |
314 | { | |
315 | unsigned int value; | |
316 | struct keyspan_port_private *p_priv; | |
317 | ||
318 | p_priv = usb_get_serial_port_data(port); | |
319 | ||
320 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | | |
321 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
322 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
323 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
324 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
325 | ((p_priv->ri_state) ? TIOCM_RNG : 0); | |
326 | ||
327 | return value; | |
328 | } | |
329 | ||
330 | static int keyspan_tiocmset(struct usb_serial_port *port, struct file *file, | |
331 | unsigned int set, unsigned int clear) | |
332 | { | |
333 | struct keyspan_port_private *p_priv; | |
334 | ||
335 | p_priv = usb_get_serial_port_data(port); | |
336 | ||
337 | if (set & TIOCM_RTS) | |
338 | p_priv->rts_state = 1; | |
339 | if (set & TIOCM_DTR) | |
340 | p_priv->dtr_state = 1; | |
341 | ||
342 | if (clear & TIOCM_RTS) | |
343 | p_priv->rts_state = 0; | |
344 | if (clear & TIOCM_DTR) | |
345 | p_priv->dtr_state = 0; | |
346 | keyspan_send_setup(port, 0); | |
347 | return 0; | |
348 | } | |
349 | ||
350 | static int keyspan_ioctl(struct usb_serial_port *port, struct file *file, | |
351 | unsigned int cmd, unsigned long arg) | |
352 | { | |
353 | return -ENOIOCTLCMD; | |
354 | } | |
355 | ||
356 | /* Write function is similar for the four protocols used | |
357 | with only a minor change for usa90 (usa19hs) required */ | |
358 | static int keyspan_write(struct usb_serial_port *port, | |
359 | const unsigned char *buf, int count) | |
360 | { | |
361 | struct keyspan_port_private *p_priv; | |
362 | const struct keyspan_device_details *d_details; | |
363 | int flip; | |
364 | int left, todo; | |
365 | struct urb *this_urb; | |
366 | int err, maxDataLen, dataOffset; | |
367 | ||
368 | p_priv = usb_get_serial_port_data(port); | |
369 | d_details = p_priv->device_details; | |
370 | ||
371 | if (d_details->msg_format == msg_usa90) { | |
372 | maxDataLen = 64; | |
373 | dataOffset = 0; | |
374 | } else { | |
375 | maxDataLen = 63; | |
376 | dataOffset = 1; | |
377 | } | |
378 | ||
379 | dbg("%s - for port %d (%d chars), flip=%d", | |
441b62c1 | 380 | __func__, port->number, count, p_priv->out_flip); |
1da177e4 LT |
381 | |
382 | for (left = count; left > 0; left -= todo) { | |
383 | todo = left; | |
384 | if (todo > maxDataLen) | |
385 | todo = maxDataLen; | |
386 | ||
387 | flip = p_priv->out_flip; | |
388 | ||
389 | /* Check we have a valid urb/endpoint before we use it... */ | |
390 | if ((this_urb = p_priv->out_urbs[flip]) == NULL) { | |
391 | /* no bulk out, so return 0 bytes written */ | |
441b62c1 | 392 | dbg("%s - no output urb :(", __func__); |
1da177e4 LT |
393 | return count; |
394 | } | |
395 | ||
441b62c1 | 396 | dbg("%s - endpoint %d flip %d", __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
397 | |
398 | if (this_urb->status == -EINPROGRESS) { | |
1da177e4 LT |
399 | if (time_before(jiffies, p_priv->tx_start_time[flip] + 10 * HZ)) |
400 | break; | |
1da177e4 LT |
401 | usb_unlink_urb(this_urb); |
402 | break; | |
403 | } | |
404 | ||
405 | /* First byte in buffer is "last flag" (except for usa19hx) - unused so | |
406 | for now so set to zero */ | |
407 | ((char *)this_urb->transfer_buffer)[0] = 0; | |
408 | ||
409 | memcpy (this_urb->transfer_buffer + dataOffset, buf, todo); | |
410 | buf += todo; | |
411 | ||
412 | /* send the data out the bulk port */ | |
413 | this_urb->transfer_buffer_length = todo + dataOffset; | |
414 | ||
1da177e4 LT |
415 | this_urb->dev = port->serial->dev; |
416 | if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { | |
417 | dbg("usb_submit_urb(write bulk) failed (%d)", err); | |
418 | } | |
419 | p_priv->tx_start_time[flip] = jiffies; | |
420 | ||
421 | /* Flip for next time if usa26 or usa28 interface | |
422 | (not used on usa49) */ | |
423 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
424 | } | |
425 | ||
426 | return count - left; | |
427 | } | |
428 | ||
7d12e780 | 429 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
430 | { |
431 | int i, err; | |
432 | int endpoint; | |
433 | struct usb_serial_port *port; | |
434 | struct tty_struct *tty; | |
435 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 436 | int status = urb->status; |
1da177e4 | 437 | |
441b62c1 | 438 | dbg ("%s", __func__); |
1da177e4 LT |
439 | |
440 | endpoint = usb_pipeendpoint(urb->pipe); | |
441 | ||
95b93454 | 442 | if (status) { |
1da177e4 | 443 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 444 | __func__, status, endpoint); |
1da177e4 LT |
445 | return; |
446 | } | |
447 | ||
448 | port = (struct usb_serial_port *) urb->context; | |
449 | tty = port->tty; | |
a5569a56 | 450 | if (tty && urb->actual_length) { |
1da177e4 LT |
451 | /* 0x80 bit is error flag */ |
452 | if ((data[0] & 0x80) == 0) { | |
453 | /* no errors on individual bytes, only possible overrun err*/ | |
454 | if (data[0] & RXERROR_OVERRUN) | |
455 | err = TTY_OVERRUN; | |
456 | else err = 0; | |
457 | for (i = 1; i < urb->actual_length ; ++i) { | |
458 | tty_insert_flip_char(tty, data[i], err); | |
459 | } | |
460 | } else { | |
461 | /* some bytes had errors, every byte has status */ | |
441b62c1 | 462 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
463 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
464 | int stat = data[i], flag = 0; | |
465 | if (stat & RXERROR_OVERRUN) | |
466 | flag |= TTY_OVERRUN; | |
467 | if (stat & RXERROR_FRAMING) | |
468 | flag |= TTY_FRAME; | |
469 | if (stat & RXERROR_PARITY) | |
470 | flag |= TTY_PARITY; | |
471 | /* XXX should handle break (0x10) */ | |
472 | tty_insert_flip_char(tty, data[i+1], flag); | |
473 | } | |
474 | } | |
475 | tty_flip_buffer_push(tty); | |
476 | } | |
477 | ||
478 | /* Resubmit urb so we continue receiving */ | |
479 | urb->dev = port->serial->dev; | |
480 | if (port->open_count) | |
481 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 482 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
483 | } |
484 | return; | |
485 | } | |
486 | ||
487 | /* Outdat handling is common for all devices */ | |
7d12e780 | 488 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
489 | { |
490 | struct usb_serial_port *port; | |
491 | struct keyspan_port_private *p_priv; | |
492 | ||
493 | port = (struct usb_serial_port *) urb->context; | |
494 | p_priv = usb_get_serial_port_data(port); | |
441b62c1 | 495 | dbg ("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 LT |
496 | |
497 | if (port->open_count) | |
cf2c7481 | 498 | usb_serial_port_softint(port); |
1da177e4 LT |
499 | } |
500 | ||
7d12e780 | 501 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 502 | { |
441b62c1 | 503 | dbg ("%s", __func__); |
1da177e4 LT |
504 | |
505 | } | |
506 | ||
7d12e780 | 507 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
508 | { |
509 | struct usb_serial_port *port; | |
510 | struct keyspan_port_private *p_priv; | |
511 | ||
512 | port = (struct usb_serial_port *) urb->context; | |
513 | p_priv = usb_get_serial_port_data(port); | |
514 | ||
515 | if (p_priv->resend_cont) { | |
441b62c1 | 516 | dbg ("%s - sending setup", __func__); |
1da177e4 LT |
517 | keyspan_usa26_send_setup(port->serial, port, p_priv->resend_cont - 1); |
518 | } | |
519 | } | |
520 | ||
7d12e780 | 521 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
522 | { |
523 | unsigned char *data = urb->transfer_buffer; | |
524 | struct keyspan_usa26_portStatusMessage *msg; | |
525 | struct usb_serial *serial; | |
526 | struct usb_serial_port *port; | |
527 | struct keyspan_port_private *p_priv; | |
528 | int old_dcd_state, err; | |
95b93454 | 529 | int status = urb->status; |
1da177e4 LT |
530 | |
531 | serial = (struct usb_serial *) urb->context; | |
532 | ||
95b93454 | 533 | if (status) { |
441b62c1 | 534 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
535 | return; |
536 | } | |
537 | if (urb->actual_length != 9) { | |
441b62c1 | 538 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
539 | goto exit; |
540 | } | |
541 | ||
542 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
543 | ||
544 | #if 0 | |
545 | dbg("%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
441b62c1 | 546 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, msg->ri, msg->_txOff, |
1da177e4 LT |
547 | msg->_txXoff, msg->rxEnabled, msg->controlResponse); |
548 | #endif | |
549 | ||
550 | /* Now do something useful with the data */ | |
551 | ||
552 | ||
553 | /* Check port number from message and retrieve private data */ | |
554 | if (msg->port >= serial->num_ports) { | |
441b62c1 | 555 | dbg ("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
556 | goto exit; |
557 | } | |
558 | port = serial->port[msg->port]; | |
559 | p_priv = usb_get_serial_port_data(port); | |
560 | ||
561 | /* Update handshaking pin state information */ | |
562 | old_dcd_state = p_priv->dcd_state; | |
563 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
564 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
565 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
566 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
567 | ||
568 | if (port->tty && !C_CLOCAL(port->tty) | |
569 | && old_dcd_state != p_priv->dcd_state) { | |
570 | if (old_dcd_state) | |
571 | tty_hangup(port->tty); | |
572 | /* else */ | |
573 | /* wake_up_interruptible(&p_priv->open_wait); */ | |
574 | } | |
575 | ||
576 | /* Resubmit urb so we continue receiving */ | |
577 | urb->dev = serial->dev; | |
578 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 579 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
580 | } |
581 | exit: ; | |
582 | } | |
583 | ||
7d12e780 | 584 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 585 | { |
441b62c1 | 586 | dbg ("%s", __func__); |
1da177e4 LT |
587 | |
588 | } | |
589 | ||
590 | ||
7d12e780 | 591 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 LT |
592 | { |
593 | int i, err; | |
594 | struct usb_serial_port *port; | |
595 | struct tty_struct *tty; | |
596 | unsigned char *data; | |
597 | struct keyspan_port_private *p_priv; | |
95b93454 | 598 | int status = urb->status; |
1da177e4 | 599 | |
441b62c1 | 600 | dbg ("%s", __func__); |
1da177e4 LT |
601 | |
602 | port = (struct usb_serial_port *) urb->context; | |
603 | p_priv = usb_get_serial_port_data(port); | |
604 | data = urb->transfer_buffer; | |
605 | ||
606 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
607 | return; | |
608 | ||
609 | do { | |
95b93454 | 610 | if (status) { |
1da177e4 | 611 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 612 | __func__, status, usb_pipeendpoint(urb->pipe)); |
1da177e4 LT |
613 | return; |
614 | } | |
615 | ||
616 | port = (struct usb_serial_port *) urb->context; | |
617 | p_priv = usb_get_serial_port_data(port); | |
618 | data = urb->transfer_buffer; | |
619 | ||
620 | tty = port->tty; | |
621 | if (urb->actual_length) { | |
622 | for (i = 0; i < urb->actual_length ; ++i) { | |
623 | tty_insert_flip_char(tty, data[i], 0); | |
624 | } | |
625 | tty_flip_buffer_push(tty); | |
626 | } | |
627 | ||
628 | /* Resubmit urb so we continue receiving */ | |
629 | urb->dev = port->serial->dev; | |
630 | if (port->open_count) | |
631 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 632 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
633 | } |
634 | p_priv->in_flip ^= 1; | |
635 | ||
636 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
637 | } while (urb->status != -EINPROGRESS); | |
638 | } | |
639 | ||
7d12e780 | 640 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 641 | { |
441b62c1 | 642 | dbg ("%s", __func__); |
1da177e4 LT |
643 | } |
644 | ||
7d12e780 | 645 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
646 | { |
647 | struct usb_serial_port *port; | |
648 | struct keyspan_port_private *p_priv; | |
649 | ||
650 | port = (struct usb_serial_port *) urb->context; | |
651 | p_priv = usb_get_serial_port_data(port); | |
652 | ||
653 | if (p_priv->resend_cont) { | |
441b62c1 | 654 | dbg ("%s - sending setup", __func__); |
1da177e4 LT |
655 | keyspan_usa28_send_setup(port->serial, port, p_priv->resend_cont - 1); |
656 | } | |
657 | } | |
658 | ||
7d12e780 | 659 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
660 | { |
661 | int err; | |
662 | unsigned char *data = urb->transfer_buffer; | |
663 | struct keyspan_usa28_portStatusMessage *msg; | |
664 | struct usb_serial *serial; | |
665 | struct usb_serial_port *port; | |
666 | struct keyspan_port_private *p_priv; | |
667 | int old_dcd_state; | |
95b93454 | 668 | int status = urb->status; |
1da177e4 LT |
669 | |
670 | serial = (struct usb_serial *) urb->context; | |
671 | ||
95b93454 | 672 | if (status) { |
441b62c1 | 673 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
674 | return; |
675 | } | |
676 | ||
677 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
441b62c1 | 678 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
679 | goto exit; |
680 | } | |
681 | ||
441b62c1 | 682 | /*dbg("%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__ |
1da177e4 LT |
683 | data[0], data[1], data[2], data[3], data[4], data[5], |
684 | data[6], data[7], data[8], data[9], data[10], data[11]);*/ | |
685 | ||
686 | /* Now do something useful with the data */ | |
687 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
688 | ||
689 | ||
690 | /* Check port number from message and retrieve private data */ | |
691 | if (msg->port >= serial->num_ports) { | |
441b62c1 | 692 | dbg ("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
693 | goto exit; |
694 | } | |
695 | port = serial->port[msg->port]; | |
696 | p_priv = usb_get_serial_port_data(port); | |
697 | ||
698 | /* Update handshaking pin state information */ | |
699 | old_dcd_state = p_priv->dcd_state; | |
700 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
701 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
702 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
703 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
704 | ||
705 | if (port->tty && !C_CLOCAL(port->tty) | |
706 | && old_dcd_state != p_priv->dcd_state) { | |
707 | if (old_dcd_state) | |
708 | tty_hangup(port->tty); | |
709 | /* else */ | |
710 | /* wake_up_interruptible(&p_priv->open_wait); */ | |
711 | } | |
712 | ||
713 | /* Resubmit urb so we continue receiving */ | |
714 | urb->dev = serial->dev; | |
715 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 716 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
717 | } |
718 | exit: ; | |
719 | } | |
720 | ||
7d12e780 | 721 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 722 | { |
441b62c1 | 723 | dbg ("%s", __func__); |
1da177e4 LT |
724 | } |
725 | ||
726 | ||
7d12e780 | 727 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
728 | { |
729 | struct usb_serial *serial; | |
730 | struct usb_serial_port *port; | |
731 | struct keyspan_port_private *p_priv; | |
732 | int i; | |
733 | ||
441b62c1 | 734 | dbg ("%s", __func__); |
1da177e4 LT |
735 | |
736 | serial = (struct usb_serial *) urb->context; | |
737 | for (i = 0; i < serial->num_ports; ++i) { | |
738 | port = serial->port[i]; | |
739 | p_priv = usb_get_serial_port_data(port); | |
740 | ||
741 | if (p_priv->resend_cont) { | |
441b62c1 | 742 | dbg ("%s - sending setup", __func__); |
1da177e4 LT |
743 | keyspan_usa49_send_setup(serial, port, p_priv->resend_cont - 1); |
744 | break; | |
745 | } | |
746 | } | |
747 | } | |
748 | ||
749 | /* This is actually called glostat in the Keyspan | |
750 | doco */ | |
7d12e780 | 751 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
752 | { |
753 | int err; | |
754 | unsigned char *data = urb->transfer_buffer; | |
755 | struct keyspan_usa49_portStatusMessage *msg; | |
756 | struct usb_serial *serial; | |
757 | struct usb_serial_port *port; | |
758 | struct keyspan_port_private *p_priv; | |
759 | int old_dcd_state; | |
95b93454 | 760 | int status = urb->status; |
1da177e4 | 761 | |
441b62c1 | 762 | dbg ("%s", __func__); |
1da177e4 LT |
763 | |
764 | serial = (struct usb_serial *) urb->context; | |
765 | ||
95b93454 | 766 | if (status) { |
441b62c1 | 767 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
768 | return; |
769 | } | |
770 | ||
771 | if (urb->actual_length != sizeof(struct keyspan_usa49_portStatusMessage)) { | |
441b62c1 | 772 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
773 | goto exit; |
774 | } | |
775 | ||
441b62c1 | 776 | /*dbg(" %x %x %x %x %x %x %x %x %x %x %x", __func__, |
1da177e4 LT |
777 | data[0], data[1], data[2], data[3], data[4], data[5], |
778 | data[6], data[7], data[8], data[9], data[10]);*/ | |
779 | ||
780 | /* Now do something useful with the data */ | |
781 | msg = (struct keyspan_usa49_portStatusMessage *)data; | |
782 | ||
783 | /* Check port number from message and retrieve private data */ | |
784 | if (msg->portNumber >= serial->num_ports) { | |
441b62c1 | 785 | dbg ("%s - Unexpected port number %d", __func__, msg->portNumber); |
1da177e4 LT |
786 | goto exit; |
787 | } | |
788 | port = serial->port[msg->portNumber]; | |
789 | p_priv = usb_get_serial_port_data(port); | |
790 | ||
791 | /* Update handshaking pin state information */ | |
792 | old_dcd_state = p_priv->dcd_state; | |
793 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
794 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
795 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
796 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
797 | ||
798 | if (port->tty && !C_CLOCAL(port->tty) | |
799 | && old_dcd_state != p_priv->dcd_state) { | |
800 | if (old_dcd_state) | |
801 | tty_hangup(port->tty); | |
802 | /* else */ | |
803 | /* wake_up_interruptible(&p_priv->open_wait); */ | |
804 | } | |
805 | ||
806 | /* Resubmit urb so we continue receiving */ | |
807 | urb->dev = serial->dev; | |
808 | ||
809 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 810 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
811 | } |
812 | exit: ; | |
813 | } | |
814 | ||
7d12e780 | 815 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 816 | { |
441b62c1 | 817 | dbg ("%s", __func__); |
1da177e4 LT |
818 | } |
819 | ||
7d12e780 | 820 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
821 | { |
822 | int i, err; | |
823 | int endpoint; | |
824 | struct usb_serial_port *port; | |
825 | struct tty_struct *tty; | |
826 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 827 | int status = urb->status; |
1da177e4 | 828 | |
441b62c1 | 829 | dbg ("%s", __func__); |
1da177e4 LT |
830 | |
831 | endpoint = usb_pipeendpoint(urb->pipe); | |
832 | ||
95b93454 | 833 | if (status) { |
441b62c1 | 834 | dbg("%s - nonzero status: %x on endpoint %d.", __func__, |
95b93454 | 835 | status, endpoint); |
1da177e4 LT |
836 | return; |
837 | } | |
838 | ||
839 | port = (struct usb_serial_port *) urb->context; | |
840 | tty = port->tty; | |
3004e537 | 841 | if (tty && urb->actual_length) { |
1da177e4 LT |
842 | /* 0x80 bit is error flag */ |
843 | if ((data[0] & 0x80) == 0) { | |
844 | /* no error on any byte */ | |
845 | for (i = 1; i < urb->actual_length ; ++i) { | |
846 | tty_insert_flip_char(tty, data[i], 0); | |
847 | } | |
848 | } else { | |
849 | /* some bytes had errors, every byte has status */ | |
850 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
851 | int stat = data[i], flag = 0; | |
852 | if (stat & RXERROR_OVERRUN) | |
853 | flag |= TTY_OVERRUN; | |
854 | if (stat & RXERROR_FRAMING) | |
855 | flag |= TTY_FRAME; | |
856 | if (stat & RXERROR_PARITY) | |
857 | flag |= TTY_PARITY; | |
858 | /* XXX should handle break (0x10) */ | |
859 | tty_insert_flip_char(tty, data[i+1], flag); | |
860 | } | |
861 | } | |
862 | tty_flip_buffer_push(tty); | |
863 | } | |
864 | ||
865 | /* Resubmit urb so we continue receiving */ | |
866 | urb->dev = port->serial->dev; | |
867 | if (port->open_count) | |
868 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 869 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
870 | } |
871 | } | |
872 | ||
0ca1268e LM |
873 | static void usa49wg_indat_callback(struct urb *urb) |
874 | { | |
875 | int i, len, x, err; | |
876 | struct usb_serial *serial; | |
877 | struct usb_serial_port *port; | |
878 | struct tty_struct *tty; | |
879 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 880 | int status = urb->status; |
0ca1268e | 881 | |
441b62c1 | 882 | dbg ("%s", __func__); |
0ca1268e LM |
883 | |
884 | serial = urb->context; | |
885 | ||
95b93454 | 886 | if (status) { |
441b62c1 | 887 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
888 | return; |
889 | } | |
890 | ||
891 | /* inbound data is in the form P#, len, status, data */ | |
892 | i = 0; | |
893 | len = 0; | |
894 | ||
895 | if (urb->actual_length) { | |
896 | while (i < urb->actual_length) { | |
897 | ||
898 | /* Check port number from message*/ | |
899 | if (data[i] >= serial->num_ports) { | |
900 | dbg ("%s - Unexpected port number %d", | |
441b62c1 | 901 | __func__, data[i]); |
0ca1268e LM |
902 | return; |
903 | } | |
904 | port = serial->port[data[i++]]; | |
905 | tty = port->tty; | |
906 | len = data[i++]; | |
907 | ||
908 | /* 0x80 bit is error flag */ | |
909 | if ((data[i] & 0x80) == 0) { | |
910 | /* no error on any byte */ | |
911 | i++; | |
912 | for (x = 1; x < len ; ++x) | |
913 | if (port->open_count) | |
914 | tty_insert_flip_char(tty, | |
915 | data[i++], 0); | |
916 | else | |
917 | i++; | |
918 | } else { | |
919 | /* | |
920 | * some bytes had errors, every byte has status | |
921 | */ | |
922 | for (x = 0; x + 1 < len; x += 2) { | |
923 | int stat = data[i], flag = 0; | |
924 | if (stat & RXERROR_OVERRUN) | |
925 | flag |= TTY_OVERRUN; | |
926 | if (stat & RXERROR_FRAMING) | |
927 | flag |= TTY_FRAME; | |
928 | if (stat & RXERROR_PARITY) | |
929 | flag |= TTY_PARITY; | |
930 | /* XXX should handle break (0x10) */ | |
931 | if (port->open_count) | |
932 | tty_insert_flip_char(tty, | |
933 | data[i+1], flag); | |
934 | i += 2; | |
935 | } | |
936 | } | |
937 | if (port->open_count) | |
938 | tty_flip_buffer_push(tty); | |
939 | } | |
940 | } | |
941 | ||
942 | /* Resubmit urb so we continue receiving */ | |
943 | urb->dev = serial->dev; | |
944 | ||
945 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
946 | if (err != 0) | |
441b62c1 | 947 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
948 | } |
949 | ||
1da177e4 | 950 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 951 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 952 | { |
441b62c1 | 953 | dbg ("%s", __func__); |
1da177e4 LT |
954 | } |
955 | ||
0ca1268e | 956 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
957 | { |
958 | int i, err; | |
959 | int endpoint; | |
960 | struct usb_serial_port *port; | |
961 | struct keyspan_port_private *p_priv; | |
962 | struct tty_struct *tty; | |
963 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 964 | int status = urb->status; |
1da177e4 | 965 | |
441b62c1 | 966 | dbg ("%s", __func__); |
1da177e4 LT |
967 | |
968 | endpoint = usb_pipeendpoint(urb->pipe); | |
969 | ||
95b93454 | 970 | if (status) { |
1da177e4 | 971 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 972 | __func__, status, endpoint); |
1da177e4 LT |
973 | return; |
974 | } | |
975 | ||
976 | port = (struct usb_serial_port *) urb->context; | |
977 | p_priv = usb_get_serial_port_data(port); | |
978 | ||
979 | tty = port->tty; | |
980 | if (urb->actual_length) { | |
981 | ||
982 | /* if current mode is DMA, looks like usa28 format | |
983 | otherwise looks like usa26 data format */ | |
984 | ||
985 | if (p_priv->baud > 57600) { | |
986 | for (i = 0; i < urb->actual_length ; ++i) | |
987 | tty_insert_flip_char(tty, data[i], 0); | |
988 | } | |
989 | else { | |
990 | ||
991 | /* 0x80 bit is error flag */ | |
992 | if ((data[0] & 0x80) == 0) { | |
993 | /* no errors on individual bytes, only possible overrun err*/ | |
994 | if (data[0] & RXERROR_OVERRUN) | |
995 | err = TTY_OVERRUN; | |
996 | else err = 0; | |
997 | for (i = 1; i < urb->actual_length ; ++i) | |
998 | tty_insert_flip_char(tty, data[i], err); | |
999 | ||
1000 | } | |
1001 | else { | |
1002 | /* some bytes had errors, every byte has status */ | |
441b62c1 | 1003 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
1004 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
1005 | int stat = data[i], flag = 0; | |
1006 | if (stat & RXERROR_OVERRUN) | |
1007 | flag |= TTY_OVERRUN; | |
1008 | if (stat & RXERROR_FRAMING) | |
1009 | flag |= TTY_FRAME; | |
1010 | if (stat & RXERROR_PARITY) | |
1011 | flag |= TTY_PARITY; | |
1012 | /* XXX should handle break (0x10) */ | |
1013 | tty_insert_flip_char(tty, data[i+1], flag); | |
1014 | } | |
1015 | } | |
1016 | } | |
1017 | tty_flip_buffer_push(tty); | |
1018 | } | |
1019 | ||
1020 | /* Resubmit urb so we continue receiving */ | |
1021 | urb->dev = port->serial->dev; | |
1022 | if (port->open_count) | |
1023 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 1024 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
1025 | } |
1026 | return; | |
1027 | } | |
1028 | ||
1029 | ||
7d12e780 | 1030 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
1031 | { |
1032 | unsigned char *data = urb->transfer_buffer; | |
1033 | struct keyspan_usa90_portStatusMessage *msg; | |
1034 | struct usb_serial *serial; | |
1035 | struct usb_serial_port *port; | |
1036 | struct keyspan_port_private *p_priv; | |
1037 | int old_dcd_state, err; | |
95b93454 | 1038 | int status = urb->status; |
1da177e4 LT |
1039 | |
1040 | serial = (struct usb_serial *) urb->context; | |
1041 | ||
95b93454 | 1042 | if (status) { |
441b62c1 | 1043 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
1044 | return; |
1045 | } | |
1046 | if (urb->actual_length < 14) { | |
441b62c1 | 1047 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
1048 | goto exit; |
1049 | } | |
1050 | ||
1051 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
1052 | ||
1053 | /* Now do something useful with the data */ | |
1054 | ||
1055 | port = serial->port[0]; | |
1056 | p_priv = usb_get_serial_port_data(port); | |
1057 | ||
1058 | /* Update handshaking pin state information */ | |
1059 | old_dcd_state = p_priv->dcd_state; | |
1060 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
1061 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
1062 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
1063 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
1064 | ||
1065 | if (port->tty && !C_CLOCAL(port->tty) | |
1066 | && old_dcd_state != p_priv->dcd_state) { | |
1067 | if (old_dcd_state) | |
1068 | tty_hangup(port->tty); | |
1069 | /* else */ | |
1070 | /* wake_up_interruptible(&p_priv->open_wait); */ | |
1071 | } | |
1072 | ||
1073 | /* Resubmit urb so we continue receiving */ | |
1074 | urb->dev = serial->dev; | |
1075 | if ((err = usb_submit_urb(urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 1076 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
1077 | } |
1078 | exit: | |
1079 | ; | |
1080 | } | |
1081 | ||
7d12e780 | 1082 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
1083 | { |
1084 | struct usb_serial_port *port; | |
1085 | struct keyspan_port_private *p_priv; | |
1086 | ||
1087 | port = (struct usb_serial_port *) urb->context; | |
1088 | p_priv = usb_get_serial_port_data(port); | |
1089 | ||
1090 | if (p_priv->resend_cont) { | |
441b62c1 | 1091 | dbg ("%s - sending setup", __func__); |
1da177e4 LT |
1092 | keyspan_usa90_send_setup(port->serial, port, p_priv->resend_cont - 1); |
1093 | } | |
1094 | } | |
1095 | ||
0ca1268e LM |
1096 | /* Status messages from the 28xg */ |
1097 | static void usa67_instat_callback(struct urb *urb) | |
1098 | { | |
1099 | int err; | |
1100 | unsigned char *data = urb->transfer_buffer; | |
1101 | struct keyspan_usa67_portStatusMessage *msg; | |
1102 | struct usb_serial *serial; | |
1103 | struct usb_serial_port *port; | |
1104 | struct keyspan_port_private *p_priv; | |
1105 | int old_dcd_state; | |
95b93454 | 1106 | int status = urb->status; |
0ca1268e | 1107 | |
441b62c1 | 1108 | dbg ("%s", __func__); |
0ca1268e LM |
1109 | |
1110 | serial = urb->context; | |
1111 | ||
95b93454 | 1112 | if (status) { |
441b62c1 | 1113 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
1114 | return; |
1115 | } | |
1116 | ||
1117 | if (urb->actual_length != sizeof(struct keyspan_usa67_portStatusMessage)) { | |
441b62c1 | 1118 | dbg("%s - bad length %d", __func__, urb->actual_length); |
0ca1268e LM |
1119 | return; |
1120 | } | |
1121 | ||
1122 | ||
1123 | /* Now do something useful with the data */ | |
1124 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
1125 | ||
1126 | /* Check port number from message and retrieve private data */ | |
1127 | if (msg->port >= serial->num_ports) { | |
441b62c1 | 1128 | dbg ("%s - Unexpected port number %d", __func__, msg->port); |
0ca1268e LM |
1129 | return; |
1130 | } | |
1131 | ||
1132 | port = serial->port[msg->port]; | |
1133 | p_priv = usb_get_serial_port_data(port); | |
1134 | ||
1135 | /* Update handshaking pin state information */ | |
1136 | old_dcd_state = p_priv->dcd_state; | |
1137 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
1138 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
1139 | ||
1140 | if (port->tty && !C_CLOCAL(port->tty) | |
1141 | && old_dcd_state != p_priv->dcd_state) { | |
1142 | if (old_dcd_state) | |
1143 | tty_hangup(port->tty); | |
1144 | /* else */ | |
1145 | /* wake_up_interruptible(&p_priv->open_wait); */ | |
1146 | } | |
1147 | ||
1148 | /* Resubmit urb so we continue receiving */ | |
1149 | urb->dev = serial->dev; | |
1150 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1151 | if (err != 0) | |
441b62c1 | 1152 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
1153 | } |
1154 | ||
1155 | static void usa67_glocont_callback(struct urb *urb) | |
1156 | { | |
1157 | struct usb_serial *serial; | |
1158 | struct usb_serial_port *port; | |
1159 | struct keyspan_port_private *p_priv; | |
1160 | int i; | |
1161 | ||
441b62c1 | 1162 | dbg ("%s", __func__); |
0ca1268e LM |
1163 | |
1164 | serial = urb->context; | |
1165 | for (i = 0; i < serial->num_ports; ++i) { | |
1166 | port = serial->port[i]; | |
1167 | p_priv = usb_get_serial_port_data(port); | |
1168 | ||
1169 | if (p_priv->resend_cont) { | |
441b62c1 | 1170 | dbg ("%s - sending setup", __func__); |
0ca1268e LM |
1171 | keyspan_usa67_send_setup(serial, port, |
1172 | p_priv->resend_cont - 1); | |
1173 | break; | |
1174 | } | |
1175 | } | |
1176 | } | |
1177 | ||
1da177e4 LT |
1178 | static int keyspan_write_room (struct usb_serial_port *port) |
1179 | { | |
1180 | struct keyspan_port_private *p_priv; | |
1181 | const struct keyspan_device_details *d_details; | |
1182 | int flip; | |
1183 | int data_len; | |
1184 | struct urb *this_urb; | |
1185 | ||
441b62c1 | 1186 | dbg("%s", __func__); |
1da177e4 LT |
1187 | p_priv = usb_get_serial_port_data(port); |
1188 | d_details = p_priv->device_details; | |
1189 | ||
1190 | if (d_details->msg_format == msg_usa90) | |
1191 | data_len = 64; | |
1192 | else | |
1193 | data_len = 63; | |
1194 | ||
1195 | flip = p_priv->out_flip; | |
1196 | ||
1197 | /* Check both endpoints to see if any are available. */ | |
1198 | if ((this_urb = p_priv->out_urbs[flip]) != NULL) { | |
1199 | if (this_urb->status != -EINPROGRESS) | |
1200 | return (data_len); | |
1201 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1202 | if ((this_urb = p_priv->out_urbs[flip]) != NULL) | |
1203 | if (this_urb->status != -EINPROGRESS) | |
1204 | return (data_len); | |
1205 | } | |
1206 | return (0); | |
1207 | } | |
1208 | ||
1209 | ||
1210 | static int keyspan_chars_in_buffer (struct usb_serial_port *port) | |
1211 | { | |
1212 | return (0); | |
1213 | } | |
1214 | ||
1215 | ||
1216 | static int keyspan_open (struct usb_serial_port *port, struct file *filp) | |
1217 | { | |
f78ba157 AM |
1218 | struct keyspan_port_private *p_priv; |
1219 | struct keyspan_serial_private *s_priv; | |
1220 | struct usb_serial *serial = port->serial; | |
1da177e4 LT |
1221 | const struct keyspan_device_details *d_details; |
1222 | int i, err; | |
f78ba157 | 1223 | int baud_rate, device_port; |
1da177e4 | 1224 | struct urb *urb; |
f78ba157 | 1225 | unsigned int cflag; |
1da177e4 LT |
1226 | |
1227 | s_priv = usb_get_serial_data(serial); | |
1228 | p_priv = usb_get_serial_port_data(port); | |
1229 | d_details = p_priv->device_details; | |
7eea4364 | 1230 | |
441b62c1 | 1231 | dbg("%s - port%d.", __func__, port->number); |
1da177e4 LT |
1232 | |
1233 | /* Set some sane defaults */ | |
1234 | p_priv->rts_state = 1; | |
1235 | p_priv->dtr_state = 1; | |
1236 | p_priv->baud = 9600; | |
1237 | ||
1238 | /* force baud and lcr to be set on open */ | |
1239 | p_priv->old_baud = 0; | |
1240 | p_priv->old_cflag = 0; | |
1241 | ||
1242 | p_priv->out_flip = 0; | |
1243 | p_priv->in_flip = 0; | |
1244 | ||
1245 | /* Reset low level data toggle and start reading from endpoints */ | |
1246 | for (i = 0; i < 2; i++) { | |
1247 | if ((urb = p_priv->in_urbs[i]) == NULL) | |
1248 | continue; | |
1249 | urb->dev = serial->dev; | |
1250 | ||
1251 | /* make sure endpoint data toggle is synchronized with the device */ | |
7eea4364 | 1252 | |
1da177e4 LT |
1253 | usb_clear_halt(urb->dev, urb->pipe); |
1254 | ||
1255 | if ((err = usb_submit_urb(urb, GFP_KERNEL)) != 0) { | |
441b62c1 | 1256 | dbg("%s - submit urb %d failed (%d)", __func__, i, err); |
1da177e4 LT |
1257 | } |
1258 | } | |
1259 | ||
1260 | /* Reset low level data toggle on out endpoints */ | |
1261 | for (i = 0; i < 2; i++) { | |
1262 | if ((urb = p_priv->out_urbs[i]) == NULL) | |
1263 | continue; | |
1264 | urb->dev = serial->dev; | |
1265 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 0); */ | |
1266 | } | |
1267 | ||
f78ba157 AM |
1268 | /* get the terminal config for the setup message now so we don't |
1269 | * need to send 2 of them */ | |
1270 | ||
1271 | cflag = port->tty->termios->c_cflag; | |
1272 | device_port = port->number - port->serial->minor; | |
1273 | ||
1274 | /* Baud rate calculation takes baud rate as an integer | |
1275 | so other rates can be generated if desired. */ | |
1276 | baud_rate = tty_get_baud_rate(port->tty); | |
1277 | /* If no match or invalid, leave as default */ | |
1278 | if (baud_rate >= 0 | |
1279 | && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, | |
1280 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { | |
1281 | p_priv->baud = baud_rate; | |
1282 | } | |
1283 | ||
1284 | /* set CTS/RTS handshake etc. */ | |
1285 | p_priv->cflag = cflag; | |
1286 | p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; | |
1287 | ||
1288 | keyspan_send_setup(port, 1); | |
1289 | //mdelay(100); | |
1290 | //keyspan_set_termios(port, NULL); | |
1291 | ||
1da177e4 LT |
1292 | return (0); |
1293 | } | |
1294 | ||
1295 | static inline void stop_urb(struct urb *urb) | |
1296 | { | |
242cf670 | 1297 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1298 | usb_kill_urb(urb); |
1da177e4 LT |
1299 | } |
1300 | ||
1301 | static void keyspan_close(struct usb_serial_port *port, struct file *filp) | |
1302 | { | |
1303 | int i; | |
1304 | struct usb_serial *serial = port->serial; | |
1305 | struct keyspan_serial_private *s_priv; | |
1306 | struct keyspan_port_private *p_priv; | |
1307 | ||
441b62c1 | 1308 | dbg("%s", __func__); |
1da177e4 LT |
1309 | s_priv = usb_get_serial_data(serial); |
1310 | p_priv = usb_get_serial_port_data(port); | |
1311 | ||
1312 | p_priv->rts_state = 0; | |
1313 | p_priv->dtr_state = 0; | |
1314 | ||
1315 | if (serial->dev) { | |
1316 | keyspan_send_setup(port, 2); | |
1317 | /* pilot-xfer seems to work best with this delay */ | |
1318 | mdelay(100); | |
1319 | // keyspan_set_termios(port, NULL); | |
1320 | } | |
1321 | ||
1322 | /*while (p_priv->outcont_urb->status == -EINPROGRESS) { | |
441b62c1 | 1323 | dbg("%s - urb in progress", __func__); |
1da177e4 LT |
1324 | }*/ |
1325 | ||
1326 | p_priv->out_flip = 0; | |
1327 | p_priv->in_flip = 0; | |
1328 | ||
1329 | if (serial->dev) { | |
1330 | /* Stop reading/writing urbs */ | |
1331 | stop_urb(p_priv->inack_urb); | |
1332 | /* stop_urb(p_priv->outcont_urb); */ | |
1333 | for (i = 0; i < 2; i++) { | |
1334 | stop_urb(p_priv->in_urbs[i]); | |
1335 | stop_urb(p_priv->out_urbs[i]); | |
1336 | } | |
1337 | } | |
1338 | port->tty = NULL; | |
1339 | } | |
1340 | ||
1341 | ||
1342 | /* download the firmware to a pre-renumeration device */ | |
1343 | static int keyspan_fake_startup (struct usb_serial *serial) | |
1344 | { | |
1345 | int response; | |
1346 | const struct ezusb_hex_record *record; | |
1347 | char *fw_name; | |
1348 | ||
1349 | dbg("Keyspan startup version %04x product %04x", | |
1350 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1351 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1352 | ||
1353 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) != 0x8000) { | |
1354 | dbg("Firmware already loaded. Quitting."); | |
1355 | return(1); | |
1356 | } | |
1357 | ||
1358 | /* Select firmware image on the basis of idProduct */ | |
1359 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1360 | case keyspan_usa28_pre_product_id: | |
1361 | record = &keyspan_usa28_firmware[0]; | |
1362 | fw_name = "USA28"; | |
1363 | break; | |
1364 | ||
1365 | case keyspan_usa28x_pre_product_id: | |
1366 | record = &keyspan_usa28x_firmware[0]; | |
1367 | fw_name = "USA28X"; | |
1368 | break; | |
1369 | ||
1370 | case keyspan_usa28xa_pre_product_id: | |
1371 | record = &keyspan_usa28xa_firmware[0]; | |
1372 | fw_name = "USA28XA"; | |
1373 | break; | |
1374 | ||
1375 | case keyspan_usa28xb_pre_product_id: | |
1376 | record = &keyspan_usa28xb_firmware[0]; | |
1377 | fw_name = "USA28XB"; | |
1378 | break; | |
1379 | ||
1380 | case keyspan_usa19_pre_product_id: | |
1381 | record = &keyspan_usa19_firmware[0]; | |
1382 | fw_name = "USA19"; | |
1383 | break; | |
1384 | ||
1385 | case keyspan_usa19qi_pre_product_id: | |
1386 | record = &keyspan_usa19qi_firmware[0]; | |
1387 | fw_name = "USA19QI"; | |
1388 | break; | |
1389 | ||
1390 | case keyspan_mpr_pre_product_id: | |
1391 | record = &keyspan_mpr_firmware[0]; | |
1392 | fw_name = "MPR"; | |
1393 | break; | |
1394 | ||
1395 | case keyspan_usa19qw_pre_product_id: | |
1396 | record = &keyspan_usa19qw_firmware[0]; | |
1397 | fw_name = "USA19QI"; | |
1398 | break; | |
1399 | ||
1400 | case keyspan_usa18x_pre_product_id: | |
1401 | record = &keyspan_usa18x_firmware[0]; | |
1402 | fw_name = "USA18X"; | |
1403 | break; | |
1404 | ||
1405 | case keyspan_usa19w_pre_product_id: | |
1406 | record = &keyspan_usa19w_firmware[0]; | |
1407 | fw_name = "USA19W"; | |
1408 | break; | |
1409 | ||
1410 | case keyspan_usa49w_pre_product_id: | |
1411 | record = &keyspan_usa49w_firmware[0]; | |
1412 | fw_name = "USA49W"; | |
1413 | break; | |
1414 | ||
1415 | case keyspan_usa49wlc_pre_product_id: | |
1416 | record = &keyspan_usa49wlc_firmware[0]; | |
1417 | fw_name = "USA49WLC"; | |
1418 | break; | |
1419 | ||
1420 | default: | |
1421 | record = NULL; | |
1422 | fw_name = "Unknown"; | |
1423 | break; | |
1424 | } | |
1425 | ||
1426 | if (record == NULL) { | |
1427 | dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); | |
1428 | return(1); | |
1429 | } | |
1430 | ||
1431 | dbg("Uploading Keyspan %s firmware.", fw_name); | |
1432 | ||
1433 | /* download the firmware image */ | |
1434 | response = ezusb_set_reset(serial, 1); | |
1435 | ||
1436 | while(record->address != 0xffff) { | |
1437 | response = ezusb_writememory(serial, record->address, | |
1438 | (unsigned char *)record->data, | |
1439 | record->data_size, 0xa0); | |
1440 | if (response < 0) { | |
1441 | dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan" | |
1442 | "firmware (%d %04X %p %d)\n", | |
1443 | response, | |
1444 | record->address, record->data, record->data_size); | |
1445 | break; | |
1446 | } | |
1447 | record++; | |
1448 | } | |
1449 | /* bring device out of reset. Renumeration will occur in a | |
1450 | moment and the new device will bind to the real driver */ | |
1451 | response = ezusb_set_reset(serial, 0); | |
1452 | ||
1453 | /* we don't want this device to have a driver assigned to it. */ | |
1454 | return (1); | |
1455 | } | |
1456 | ||
1457 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1458 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1459 | int endpoint) | |
1460 | { | |
1461 | struct usb_host_interface *iface_desc; | |
1462 | struct usb_endpoint_descriptor *ep; | |
1463 | int i; | |
1464 | ||
1465 | iface_desc = serial->interface->cur_altsetting; | |
1466 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1467 | ep = &iface_desc->endpoint[i].desc; | |
1468 | if (ep->bEndpointAddress == endpoint) | |
1469 | return ep; | |
1470 | } | |
1471 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1472 | "endpoint %x\n", endpoint); | |
1473 | return NULL; | |
1474 | } | |
1475 | ||
1da177e4 LT |
1476 | static struct urb *keyspan_setup_urb (struct usb_serial *serial, int endpoint, |
1477 | int dir, void *ctx, char *buf, int len, | |
7d12e780 | 1478 | void (*callback)(struct urb *)) |
1da177e4 LT |
1479 | { |
1480 | struct urb *urb; | |
fdcba53e RW |
1481 | struct usb_endpoint_descriptor const *ep_desc; |
1482 | char const *ep_type_name; | |
1da177e4 LT |
1483 | |
1484 | if (endpoint == -1) | |
1485 | return NULL; /* endpoint not needed */ | |
1486 | ||
441b62c1 | 1487 | dbg ("%s - alloc for endpoint %d.", __func__, endpoint); |
1da177e4 LT |
1488 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1489 | if (urb == NULL) { | |
441b62c1 | 1490 | dbg ("%s - alloc for endpoint %d failed.", __func__, endpoint); |
1da177e4 LT |
1491 | return NULL; |
1492 | } | |
1493 | ||
0ca1268e LM |
1494 | if (endpoint == 0) { |
1495 | /* control EP filled in when used */ | |
1496 | return urb; | |
1497 | } | |
1498 | ||
fdcba53e RW |
1499 | ep_desc = find_ep(serial, endpoint); |
1500 | if (!ep_desc) { | |
1501 | /* leak the urb, something's wrong and the callers don't care */ | |
1502 | return urb; | |
1503 | } | |
1504 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1505 | ep_type_name = "INT"; | |
1506 | usb_fill_int_urb(urb, serial->dev, | |
1507 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1508 | buf, len, callback, ctx, | |
1509 | ep_desc->bInterval); | |
1510 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1511 | ep_type_name = "BULK"; | |
1512 | usb_fill_bulk_urb(urb, serial->dev, | |
1513 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1514 | buf, len, callback, ctx); | |
1515 | } else { | |
1516 | dev_warn(&serial->interface->dev, | |
1517 | "unsupported endpoint type %x\n", | |
1518 | ep_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); | |
1519 | usb_free_urb(urb); | |
1520 | return NULL; | |
1521 | } | |
1da177e4 | 1522 | |
fdcba53e RW |
1523 | dbg("%s - using urb %p for %s endpoint %x", |
1524 | __func__, urb, ep_type_name, endpoint); | |
1da177e4 LT |
1525 | return urb; |
1526 | } | |
1527 | ||
1528 | static struct callbacks { | |
7d12e780 DH |
1529 | void (*instat_callback)(struct urb *); |
1530 | void (*glocont_callback)(struct urb *); | |
1531 | void (*indat_callback)(struct urb *); | |
1532 | void (*outdat_callback)(struct urb *); | |
1533 | void (*inack_callback)(struct urb *); | |
1534 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1535 | } keyspan_callbacks[] = { |
1536 | { | |
1537 | /* msg_usa26 callbacks */ | |
1538 | .instat_callback = usa26_instat_callback, | |
1539 | .glocont_callback = usa26_glocont_callback, | |
1540 | .indat_callback = usa26_indat_callback, | |
1541 | .outdat_callback = usa2x_outdat_callback, | |
1542 | .inack_callback = usa26_inack_callback, | |
1543 | .outcont_callback = usa26_outcont_callback, | |
1544 | }, { | |
1545 | /* msg_usa28 callbacks */ | |
1546 | .instat_callback = usa28_instat_callback, | |
1547 | .glocont_callback = usa28_glocont_callback, | |
1548 | .indat_callback = usa28_indat_callback, | |
1549 | .outdat_callback = usa2x_outdat_callback, | |
1550 | .inack_callback = usa28_inack_callback, | |
1551 | .outcont_callback = usa28_outcont_callback, | |
1552 | }, { | |
1553 | /* msg_usa49 callbacks */ | |
1554 | .instat_callback = usa49_instat_callback, | |
1555 | .glocont_callback = usa49_glocont_callback, | |
1556 | .indat_callback = usa49_indat_callback, | |
1557 | .outdat_callback = usa2x_outdat_callback, | |
1558 | .inack_callback = usa49_inack_callback, | |
1559 | .outcont_callback = usa49_outcont_callback, | |
1560 | }, { | |
1561 | /* msg_usa90 callbacks */ | |
1562 | .instat_callback = usa90_instat_callback, | |
1563 | .glocont_callback = usa28_glocont_callback, | |
1564 | .indat_callback = usa90_indat_callback, | |
1565 | .outdat_callback = usa2x_outdat_callback, | |
1566 | .inack_callback = usa28_inack_callback, | |
1567 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1568 | }, { |
1569 | /* msg_usa67 callbacks */ | |
1570 | .instat_callback = usa67_instat_callback, | |
1571 | .glocont_callback = usa67_glocont_callback, | |
1572 | .indat_callback = usa26_indat_callback, | |
1573 | .outdat_callback = usa2x_outdat_callback, | |
1574 | .inack_callback = usa26_inack_callback, | |
1575 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1576 | } |
1577 | }; | |
1578 | ||
1579 | /* Generic setup urbs function that uses | |
1580 | data in device_details */ | |
1581 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1582 | { | |
1583 | int i, j; | |
1584 | struct keyspan_serial_private *s_priv; | |
1585 | const struct keyspan_device_details *d_details; | |
1586 | struct usb_serial_port *port; | |
1587 | struct keyspan_port_private *p_priv; | |
1588 | struct callbacks *cback; | |
1589 | int endp; | |
1590 | ||
441b62c1 | 1591 | dbg ("%s", __func__); |
1da177e4 LT |
1592 | |
1593 | s_priv = usb_get_serial_data(serial); | |
1594 | d_details = s_priv->device_details; | |
1595 | ||
1596 | /* Setup values for the various callback routines */ | |
1597 | cback = &keyspan_callbacks[d_details->msg_format]; | |
1598 | ||
1599 | /* Allocate and set up urbs for each one that is in use, | |
1600 | starting with instat endpoints */ | |
1601 | s_priv->instat_urb = keyspan_setup_urb | |
1602 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1603 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1604 | cback->instat_callback); | |
1605 | ||
0ca1268e LM |
1606 | s_priv->indat_urb = keyspan_setup_urb |
1607 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1608 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1609 | usa49wg_indat_callback); | |
1610 | ||
1da177e4 LT |
1611 | s_priv->glocont_urb = keyspan_setup_urb |
1612 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1613 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1614 | cback->glocont_callback); | |
1615 | ||
1616 | /* Setup endpoints for each port specific thing */ | |
1617 | for (i = 0; i < d_details->num_ports; i ++) { | |
1618 | port = serial->port[i]; | |
1619 | p_priv = usb_get_serial_port_data(port); | |
1620 | ||
1621 | /* Do indat endpoints first, once for each flip */ | |
1622 | endp = d_details->indat_endpoints[i]; | |
1623 | for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { | |
1624 | p_priv->in_urbs[j] = keyspan_setup_urb | |
1625 | (serial, endp, USB_DIR_IN, port, | |
1626 | p_priv->in_buffer[j], 64, | |
1627 | cback->indat_callback); | |
1628 | } | |
1629 | for (; j < 2; ++j) | |
1630 | p_priv->in_urbs[j] = NULL; | |
1631 | ||
1632 | /* outdat endpoints also have flip */ | |
1633 | endp = d_details->outdat_endpoints[i]; | |
1634 | for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { | |
1635 | p_priv->out_urbs[j] = keyspan_setup_urb | |
1636 | (serial, endp, USB_DIR_OUT, port, | |
1637 | p_priv->out_buffer[j], 64, | |
1638 | cback->outdat_callback); | |
1639 | } | |
1640 | for (; j < 2; ++j) | |
1641 | p_priv->out_urbs[j] = NULL; | |
1642 | ||
1643 | /* inack endpoint */ | |
1644 | p_priv->inack_urb = keyspan_setup_urb | |
1645 | (serial, d_details->inack_endpoints[i], USB_DIR_IN, | |
1646 | port, p_priv->inack_buffer, 1, cback->inack_callback); | |
1647 | ||
1648 | /* outcont endpoint */ | |
1649 | p_priv->outcont_urb = keyspan_setup_urb | |
1650 | (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, | |
1651 | port, p_priv->outcont_buffer, 64, | |
1652 | cback->outcont_callback); | |
1653 | } | |
1654 | ||
1655 | } | |
1656 | ||
1657 | /* usa19 function doesn't require prescaler */ | |
1658 | static int keyspan_usa19_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1659 | u8 *rate_low, u8 *prescaler, int portnum) | |
1660 | { | |
1661 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1662 | div, /* divisor */ | |
1663 | cnt; /* inverse of divisor (programmed into 8051) */ | |
1664 | ||
441b62c1 | 1665 | dbg ("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1666 | |
1667 | /* prevent divide by zero... */ | |
1668 | if( (b16 = (baud_rate * 16L)) == 0) { | |
1669 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1670 | } | |
1671 | ||
1672 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1673 | as we run out of divisor resolution. */ | |
1674 | if (baud_rate > 57600) { | |
1675 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1676 | } | |
1677 | ||
1678 | /* calculate the divisor and the counter (its inverse) */ | |
1679 | if( (div = (baudclk / b16)) == 0) { | |
1680 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1681 | } | |
1682 | else { | |
1683 | cnt = 0 - div; | |
1684 | } | |
1685 | ||
1686 | if(div > 0xffff) { | |
1687 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1688 | } | |
1689 | ||
1690 | /* return the counter values if non-null */ | |
1691 | if (rate_low) { | |
1692 | *rate_low = (u8) (cnt & 0xff); | |
1693 | } | |
1694 | if (rate_hi) { | |
1695 | *rate_hi = (u8) ((cnt >> 8) & 0xff); | |
1696 | } | |
1697 | if (rate_low && rate_hi) { | |
441b62c1 | 1698 | dbg ("%s - %d %02x %02x.", __func__, baud_rate, *rate_hi, *rate_low); |
1da177e4 LT |
1699 | } |
1700 | ||
1701 | return (KEYSPAN_BAUD_RATE_OK); | |
1702 | } | |
1703 | ||
1704 | /* usa19hs function doesn't require prescaler */ | |
1705 | static int keyspan_usa19hs_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1706 | u8 *rate_low, u8 *prescaler, int portnum) | |
1707 | { | |
1708 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1709 | div; /* divisor */ | |
1710 | ||
441b62c1 | 1711 | dbg ("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1712 | |
1713 | /* prevent divide by zero... */ | |
1714 | if( (b16 = (baud_rate * 16L)) == 0) | |
1715 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1716 | ||
1717 | ||
1718 | ||
1719 | /* calculate the divisor */ | |
1720 | if( (div = (baudclk / b16)) == 0) | |
1721 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1722 | ||
1723 | if(div > 0xffff) | |
1724 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1725 | ||
1726 | /* return the counter values if non-null */ | |
1727 | if (rate_low) | |
1728 | *rate_low = (u8) (div & 0xff); | |
1729 | ||
1730 | if (rate_hi) | |
1731 | *rate_hi = (u8) ((div >> 8) & 0xff); | |
1732 | ||
1733 | if (rate_low && rate_hi) | |
441b62c1 | 1734 | dbg ("%s - %d %02x %02x.", __func__, baud_rate, *rate_hi, *rate_low); |
1da177e4 LT |
1735 | |
1736 | return (KEYSPAN_BAUD_RATE_OK); | |
1737 | } | |
1738 | ||
1739 | static int keyspan_usa19w_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1740 | u8 *rate_low, u8 *prescaler, int portnum) | |
1741 | { | |
1742 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1743 | clk, /* clock with 13/8 prescaler */ | |
1744 | div, /* divisor using 13/8 prescaler */ | |
1745 | res, /* resulting baud rate using 13/8 prescaler */ | |
1746 | diff, /* error using 13/8 prescaler */ | |
1747 | smallest_diff; | |
1748 | u8 best_prescaler; | |
1749 | int i; | |
1750 | ||
441b62c1 | 1751 | dbg ("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1752 | |
1753 | /* prevent divide by zero */ | |
1754 | if( (b16 = baud_rate * 16L) == 0) { | |
1755 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1756 | } | |
1757 | ||
1758 | /* Calculate prescaler by trying them all and looking | |
1759 | for best fit */ | |
1760 | ||
1761 | /* start with largest possible difference */ | |
1762 | smallest_diff = 0xffffffff; | |
1763 | ||
1764 | /* 0 is an invalid prescaler, used as a flag */ | |
1765 | best_prescaler = 0; | |
1766 | ||
1767 | for(i = 8; i <= 0xff; ++i) { | |
1768 | clk = (baudclk * 8) / (u32) i; | |
1769 | ||
1770 | if( (div = clk / b16) == 0) { | |
1771 | continue; | |
1772 | } | |
1773 | ||
1774 | res = clk / div; | |
1775 | diff= (res > b16) ? (res-b16) : (b16-res); | |
1776 | ||
1777 | if(diff < smallest_diff) { | |
1778 | best_prescaler = i; | |
1779 | smallest_diff = diff; | |
1780 | } | |
1781 | } | |
1782 | ||
1783 | if(best_prescaler == 0) { | |
1784 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1785 | } | |
1786 | ||
1787 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1788 | div = clk / b16; | |
1789 | ||
1790 | /* return the divisor and prescaler if non-null */ | |
1791 | if (rate_low) { | |
1792 | *rate_low = (u8) (div & 0xff); | |
1793 | } | |
1794 | if (rate_hi) { | |
1795 | *rate_hi = (u8) ((div >> 8) & 0xff); | |
1796 | } | |
1797 | if (prescaler) { | |
1798 | *prescaler = best_prescaler; | |
441b62c1 | 1799 | /* dbg("%s - %d %d", __func__, *prescaler, div); */ |
1da177e4 LT |
1800 | } |
1801 | return (KEYSPAN_BAUD_RATE_OK); | |
1802 | } | |
1803 | ||
1804 | /* USA-28 supports different maximum baud rates on each port */ | |
1805 | static int keyspan_usa28_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1806 | u8 *rate_low, u8 *prescaler, int portnum) | |
1807 | { | |
1808 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1809 | div, /* divisor */ | |
1810 | cnt; /* inverse of divisor (programmed into 8051) */ | |
1811 | ||
441b62c1 | 1812 | dbg ("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1813 | |
1814 | /* prevent divide by zero */ | |
1815 | if ((b16 = baud_rate * 16L) == 0) | |
1816 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1817 | ||
1818 | /* calculate the divisor and the counter (its inverse) */ | |
1819 | if ((div = (KEYSPAN_USA28_BAUDCLK / b16)) == 0) { | |
1820 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1821 | } | |
1822 | else { | |
1823 | cnt = 0 - div; | |
1824 | } | |
1825 | ||
1826 | /* check for out of range, based on portnum, | |
1827 | and return result */ | |
1828 | if(portnum == 0) { | |
1829 | if(div > 0xffff) | |
1830 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1831 | } | |
1832 | else { | |
1833 | if(portnum == 1) { | |
1834 | if(div > 0xff) { | |
1835 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1836 | } | |
1837 | } | |
1838 | else { | |
1839 | return (KEYSPAN_INVALID_BAUD_RATE); | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | /* return the counter values if not NULL | |
1844 | (port 1 will ignore retHi) */ | |
1845 | if (rate_low) { | |
1846 | *rate_low = (u8) (cnt & 0xff); | |
1847 | } | |
1848 | if (rate_hi) { | |
1849 | *rate_hi = (u8) ((cnt >> 8) & 0xff); | |
1850 | } | |
441b62c1 | 1851 | dbg ("%s - %d OK.", __func__, baud_rate); |
1da177e4 LT |
1852 | return (KEYSPAN_BAUD_RATE_OK); |
1853 | } | |
1854 | ||
1855 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1856 | struct usb_serial_port *port, | |
1857 | int reset_port) | |
1858 | { | |
1859 | struct keyspan_usa26_portControlMessage msg; | |
1860 | struct keyspan_serial_private *s_priv; | |
1861 | struct keyspan_port_private *p_priv; | |
1862 | const struct keyspan_device_details *d_details; | |
1863 | int outcont_urb; | |
1864 | struct urb *this_urb; | |
1865 | int device_port, err; | |
1866 | ||
441b62c1 | 1867 | dbg ("%s reset=%d", __func__, reset_port); |
1da177e4 LT |
1868 | |
1869 | s_priv = usb_get_serial_data(serial); | |
1870 | p_priv = usb_get_serial_port_data(port); | |
1871 | d_details = s_priv->device_details; | |
1872 | device_port = port->number - port->serial->minor; | |
1873 | ||
1874 | outcont_urb = d_details->outcont_endpoints[port->number]; | |
1875 | this_urb = p_priv->outcont_urb; | |
1876 | ||
441b62c1 | 1877 | dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1878 | |
1879 | /* Make sure we have an urb then send the message */ | |
1880 | if (this_urb == NULL) { | |
441b62c1 | 1881 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
1882 | return -1; |
1883 | } | |
1884 | ||
1885 | /* Save reset port val for resend. | |
0ca1268e LM |
1886 | Don't overwrite resend for open/close condition. */ |
1887 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1888 | p_priv->resend_cont = reset_port + 1; |
1889 | if (this_urb->status == -EINPROGRESS) { | |
441b62c1 | 1890 | /* dbg ("%s - already writing", __func__); */ |
1da177e4 LT |
1891 | mdelay(5); |
1892 | return(-1); | |
1893 | } | |
1894 | ||
1895 | memset(&msg, 0, sizeof (struct keyspan_usa26_portControlMessage)); | |
1896 | ||
1897 | /* Only set baud rate if it's changed */ | |
1898 | if (p_priv->old_baud != p_priv->baud) { | |
1899 | p_priv->old_baud = p_priv->baud; | |
1900 | msg.setClocking = 0xff; | |
1901 | if (d_details->calculate_baud_rate | |
1902 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
1903 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { | |
441b62c1 | 1904 | dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, |
1da177e4 LT |
1905 | p_priv->baud); |
1906 | msg.baudLo = 0; | |
1907 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1908 | msg.prescaler = 10; | |
1909 | } | |
1910 | msg.setPrescaler = 0xff; | |
1911 | } | |
1912 | ||
1913 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
1914 | switch (p_priv->cflag & CSIZE) { | |
1915 | case CS5: | |
1916 | msg.lcr |= USA_DATABITS_5; | |
1917 | break; | |
1918 | case CS6: | |
1919 | msg.lcr |= USA_DATABITS_6; | |
1920 | break; | |
1921 | case CS7: | |
1922 | msg.lcr |= USA_DATABITS_7; | |
1923 | break; | |
1924 | case CS8: | |
1925 | msg.lcr |= USA_DATABITS_8; | |
1926 | break; | |
1927 | } | |
1928 | if (p_priv->cflag & PARENB) { | |
1929 | /* note USA_PARITY_NONE == 0 */ | |
1930 | msg.lcr |= (p_priv->cflag & PARODD)? | |
1931 | USA_PARITY_ODD: USA_PARITY_EVEN; | |
1932 | } | |
1933 | msg.setLcr = 0xff; | |
1934 | ||
1935 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1936 | msg.xonFlowControl = 0; | |
1937 | msg.setFlowControl = 0xff; | |
1938 | msg.forwardingLength = 16; | |
1939 | msg.xonChar = 17; | |
1940 | msg.xoffChar = 19; | |
1941 | ||
1942 | /* Opening port */ | |
1943 | if (reset_port == 1) { | |
1944 | msg._txOn = 1; | |
1945 | msg._txOff = 0; | |
1946 | msg.txFlush = 0; | |
1947 | msg.txBreak = 0; | |
1948 | msg.rxOn = 1; | |
1949 | msg.rxOff = 0; | |
1950 | msg.rxFlush = 1; | |
1951 | msg.rxForward = 0; | |
1952 | msg.returnStatus = 0; | |
1953 | msg.resetDataToggle = 0xff; | |
1954 | } | |
1955 | ||
1956 | /* Closing port */ | |
1957 | else if (reset_port == 2) { | |
1958 | msg._txOn = 0; | |
1959 | msg._txOff = 1; | |
1960 | msg.txFlush = 0; | |
1961 | msg.txBreak = 0; | |
1962 | msg.rxOn = 0; | |
1963 | msg.rxOff = 1; | |
1964 | msg.rxFlush = 1; | |
1965 | msg.rxForward = 0; | |
1966 | msg.returnStatus = 0; | |
1967 | msg.resetDataToggle = 0; | |
1968 | } | |
1969 | ||
1970 | /* Sending intermediate configs */ | |
1971 | else { | |
1972 | msg._txOn = (! p_priv->break_on); | |
1973 | msg._txOff = 0; | |
1974 | msg.txFlush = 0; | |
1975 | msg.txBreak = (p_priv->break_on); | |
1976 | msg.rxOn = 0; | |
1977 | msg.rxOff = 0; | |
1978 | msg.rxFlush = 0; | |
1979 | msg.rxForward = 0; | |
1980 | msg.returnStatus = 0; | |
1981 | msg.resetDataToggle = 0x0; | |
1982 | } | |
1983 | ||
1984 | /* Do handshaking outputs */ | |
1985 | msg.setTxTriState_setRts = 0xff; | |
1986 | msg.txTriState_rts = p_priv->rts_state; | |
1987 | ||
1988 | msg.setHskoa_setDtr = 0xff; | |
1989 | msg.hskoa_dtr = p_priv->dtr_state; | |
1990 | ||
1991 | p_priv->resend_cont = 0; | |
1992 | memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); | |
1993 | ||
1994 | /* send the data out the device on control endpoint */ | |
1995 | this_urb->transfer_buffer_length = sizeof(msg); | |
1996 | ||
1997 | this_urb->dev = serial->dev; | |
1998 | if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 1999 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
2000 | } |
2001 | #if 0 | |
2002 | else { | |
441b62c1 | 2003 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__ |
1da177e4 LT |
2004 | outcont_urb, this_urb->transfer_buffer_length, |
2005 | usb_pipeendpoint(this_urb->pipe)); | |
2006 | } | |
2007 | #endif | |
2008 | ||
2009 | return (0); | |
2010 | } | |
2011 | ||
2012 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
2013 | struct usb_serial_port *port, | |
2014 | int reset_port) | |
2015 | { | |
2016 | struct keyspan_usa28_portControlMessage msg; | |
2017 | struct keyspan_serial_private *s_priv; | |
2018 | struct keyspan_port_private *p_priv; | |
2019 | const struct keyspan_device_details *d_details; | |
2020 | struct urb *this_urb; | |
2021 | int device_port, err; | |
2022 | ||
441b62c1 | 2023 | dbg ("%s", __func__); |
1da177e4 LT |
2024 | |
2025 | s_priv = usb_get_serial_data(serial); | |
2026 | p_priv = usb_get_serial_port_data(port); | |
2027 | d_details = s_priv->device_details; | |
2028 | device_port = port->number - port->serial->minor; | |
2029 | ||
2030 | /* only do something if we have a bulk out endpoint */ | |
2031 | if ((this_urb = p_priv->outcont_urb) == NULL) { | |
441b62c1 | 2032 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
2033 | return -1; |
2034 | } | |
2035 | ||
2036 | /* Save reset port val for resend. | |
0ca1268e LM |
2037 | Don't overwrite resend for open/close condition. */ |
2038 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
2039 | p_priv->resend_cont = reset_port + 1; |
2040 | if (this_urb->status == -EINPROGRESS) { | |
441b62c1 | 2041 | dbg ("%s already writing", __func__); |
1da177e4 LT |
2042 | mdelay(5); |
2043 | return(-1); | |
2044 | } | |
2045 | ||
2046 | memset(&msg, 0, sizeof (struct keyspan_usa28_portControlMessage)); | |
2047 | ||
2048 | msg.setBaudRate = 1; | |
2049 | if (d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, | |
2050 | &msg.baudHi, &msg.baudLo, NULL, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { | |
441b62c1 | 2051 | dbg("%s - Invalid baud rate requested %d.", __func__, p_priv->baud); |
1da177e4 LT |
2052 | msg.baudLo = 0xff; |
2053 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
2054 | } | |
2055 | ||
2056 | /* If parity is enabled, we must calculate it ourselves. */ | |
2057 | msg.parity = 0; /* XXX for now */ | |
2058 | ||
2059 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2060 | msg.xonFlowControl = 0; | |
2061 | ||
2062 | /* Do handshaking outputs, DTR is inverted relative to RTS */ | |
2063 | msg.rts = p_priv->rts_state; | |
2064 | msg.dtr = p_priv->dtr_state; | |
2065 | ||
2066 | msg.forwardingLength = 16; | |
2067 | msg.forwardMs = 10; | |
2068 | msg.breakThreshold = 45; | |
2069 | msg.xonChar = 17; | |
2070 | msg.xoffChar = 19; | |
2071 | ||
2072 | /*msg.returnStatus = 1; | |
2073 | msg.resetDataToggle = 0xff;*/ | |
2074 | /* Opening port */ | |
2075 | if (reset_port == 1) { | |
2076 | msg._txOn = 1; | |
2077 | msg._txOff = 0; | |
2078 | msg.txFlush = 0; | |
2079 | msg.txForceXoff = 0; | |
2080 | msg.txBreak = 0; | |
2081 | msg.rxOn = 1; | |
2082 | msg.rxOff = 0; | |
2083 | msg.rxFlush = 1; | |
2084 | msg.rxForward = 0; | |
2085 | msg.returnStatus = 0; | |
2086 | msg.resetDataToggle = 0xff; | |
2087 | } | |
2088 | /* Closing port */ | |
2089 | else if (reset_port == 2) { | |
2090 | msg._txOn = 0; | |
2091 | msg._txOff = 1; | |
2092 | msg.txFlush = 0; | |
2093 | msg.txForceXoff = 0; | |
2094 | msg.txBreak = 0; | |
2095 | msg.rxOn = 0; | |
2096 | msg.rxOff = 1; | |
2097 | msg.rxFlush = 1; | |
2098 | msg.rxForward = 0; | |
2099 | msg.returnStatus = 0; | |
2100 | msg.resetDataToggle = 0; | |
2101 | } | |
2102 | /* Sending intermediate configs */ | |
2103 | else { | |
2104 | msg._txOn = (! p_priv->break_on); | |
2105 | msg._txOff = 0; | |
2106 | msg.txFlush = 0; | |
2107 | msg.txForceXoff = 0; | |
2108 | msg.txBreak = (p_priv->break_on); | |
2109 | msg.rxOn = 0; | |
2110 | msg.rxOff = 0; | |
2111 | msg.rxFlush = 0; | |
2112 | msg.rxForward = 0; | |
2113 | msg.returnStatus = 0; | |
2114 | msg.resetDataToggle = 0x0; | |
2115 | } | |
2116 | ||
2117 | p_priv->resend_cont = 0; | |
2118 | memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2119 | ||
2120 | /* send the data out the device on control endpoint */ | |
2121 | this_urb->transfer_buffer_length = sizeof(msg); | |
2122 | ||
2123 | this_urb->dev = serial->dev; | |
2124 | if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 2125 | dbg("%s - usb_submit_urb(setup) failed", __func__); |
1da177e4 LT |
2126 | } |
2127 | #if 0 | |
2128 | else { | |
441b62c1 | 2129 | dbg("%s - usb_submit_urb(setup) OK %d bytes", __func__, |
1da177e4 LT |
2130 | this_urb->transfer_buffer_length); |
2131 | } | |
2132 | #endif | |
2133 | ||
2134 | return (0); | |
2135 | } | |
2136 | ||
2137 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
2138 | struct usb_serial_port *port, | |
2139 | int reset_port) | |
2140 | { | |
0ca1268e LM |
2141 | struct keyspan_usa49_portControlMessage msg; |
2142 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
2143 | struct keyspan_serial_private *s_priv; |
2144 | struct keyspan_port_private *p_priv; | |
2145 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
2146 | struct urb *this_urb; |
2147 | int err, device_port; | |
2148 | ||
441b62c1 | 2149 | dbg ("%s", __func__); |
1da177e4 LT |
2150 | |
2151 | s_priv = usb_get_serial_data(serial); | |
2152 | p_priv = usb_get_serial_port_data(port); | |
2153 | d_details = s_priv->device_details; | |
2154 | ||
1da177e4 LT |
2155 | this_urb = s_priv->glocont_urb; |
2156 | ||
0ca1268e | 2157 | /* Work out which port within the device is being setup */ |
1da177e4 LT |
2158 | device_port = port->number - port->serial->minor; |
2159 | ||
441b62c1 | 2160 | dbg("%s - endpoint %d port %d (%d)",__func__, usb_pipeendpoint(this_urb->pipe), port->number, device_port); |
1da177e4 LT |
2161 | |
2162 | /* Make sure we have an urb then send the message */ | |
2163 | if (this_urb == NULL) { | |
441b62c1 | 2164 | dbg("%s - oops no urb for port %d.", __func__, port->number); |
1da177e4 LT |
2165 | return -1; |
2166 | } | |
2167 | ||
2168 | /* Save reset port val for resend. | |
0ca1268e LM |
2169 | Don't overwrite resend for open/close condition. */ |
2170 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 2171 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 2172 | |
1da177e4 | 2173 | if (this_urb->status == -EINPROGRESS) { |
441b62c1 | 2174 | /* dbg ("%s - already writing", __func__); */ |
1da177e4 LT |
2175 | mdelay(5); |
2176 | return(-1); | |
2177 | } | |
2178 | ||
2179 | memset(&msg, 0, sizeof (struct keyspan_usa49_portControlMessage)); | |
2180 | ||
2181 | /*msg.portNumber = port->number;*/ | |
2182 | msg.portNumber = device_port; | |
2183 | ||
2184 | /* Only set baud rate if it's changed */ | |
2185 | if (p_priv->old_baud != p_priv->baud) { | |
2186 | p_priv->old_baud = p_priv->baud; | |
2187 | msg.setClocking = 0xff; | |
2188 | if (d_details->calculate_baud_rate | |
2189 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
2190 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { | |
441b62c1 | 2191 | dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, |
1da177e4 LT |
2192 | p_priv->baud); |
2193 | msg.baudLo = 0; | |
2194 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2195 | msg.prescaler = 10; | |
2196 | } | |
2197 | //msg.setPrescaler = 0xff; | |
2198 | } | |
2199 | ||
2200 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
2201 | switch (p_priv->cflag & CSIZE) { | |
2202 | case CS5: | |
2203 | msg.lcr |= USA_DATABITS_5; | |
2204 | break; | |
2205 | case CS6: | |
2206 | msg.lcr |= USA_DATABITS_6; | |
2207 | break; | |
2208 | case CS7: | |
2209 | msg.lcr |= USA_DATABITS_7; | |
2210 | break; | |
2211 | case CS8: | |
2212 | msg.lcr |= USA_DATABITS_8; | |
2213 | break; | |
2214 | } | |
2215 | if (p_priv->cflag & PARENB) { | |
2216 | /* note USA_PARITY_NONE == 0 */ | |
2217 | msg.lcr |= (p_priv->cflag & PARODD)? | |
2218 | USA_PARITY_ODD: USA_PARITY_EVEN; | |
2219 | } | |
2220 | msg.setLcr = 0xff; | |
2221 | ||
2222 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2223 | msg.xonFlowControl = 0; | |
2224 | msg.setFlowControl = 0xff; | |
2225 | ||
2226 | msg.forwardingLength = 16; | |
2227 | msg.xonChar = 17; | |
2228 | msg.xoffChar = 19; | |
2229 | ||
2230 | /* Opening port */ | |
2231 | if (reset_port == 1) { | |
2232 | msg._txOn = 1; | |
2233 | msg._txOff = 0; | |
2234 | msg.txFlush = 0; | |
2235 | msg.txBreak = 0; | |
2236 | msg.rxOn = 1; | |
2237 | msg.rxOff = 0; | |
2238 | msg.rxFlush = 1; | |
2239 | msg.rxForward = 0; | |
2240 | msg.returnStatus = 0; | |
2241 | msg.resetDataToggle = 0xff; | |
2242 | msg.enablePort = 1; | |
2243 | msg.disablePort = 0; | |
2244 | } | |
2245 | /* Closing port */ | |
2246 | else if (reset_port == 2) { | |
2247 | msg._txOn = 0; | |
2248 | msg._txOff = 1; | |
2249 | msg.txFlush = 0; | |
2250 | msg.txBreak = 0; | |
2251 | msg.rxOn = 0; | |
2252 | msg.rxOff = 1; | |
2253 | msg.rxFlush = 1; | |
2254 | msg.rxForward = 0; | |
2255 | msg.returnStatus = 0; | |
2256 | msg.resetDataToggle = 0; | |
2257 | msg.enablePort = 0; | |
2258 | msg.disablePort = 1; | |
2259 | } | |
2260 | /* Sending intermediate configs */ | |
2261 | else { | |
2262 | msg._txOn = (! p_priv->break_on); | |
2263 | msg._txOff = 0; | |
2264 | msg.txFlush = 0; | |
2265 | msg.txBreak = (p_priv->break_on); | |
2266 | msg.rxOn = 0; | |
2267 | msg.rxOff = 0; | |
2268 | msg.rxFlush = 0; | |
2269 | msg.rxForward = 0; | |
2270 | msg.returnStatus = 0; | |
2271 | msg.resetDataToggle = 0x0; | |
2272 | msg.enablePort = 0; | |
2273 | msg.disablePort = 0; | |
2274 | } | |
2275 | ||
2276 | /* Do handshaking outputs */ | |
2277 | msg.setRts = 0xff; | |
2278 | msg.rts = p_priv->rts_state; | |
2279 | ||
2280 | msg.setDtr = 0xff; | |
2281 | msg.dtr = p_priv->dtr_state; | |
2282 | ||
2283 | p_priv->resend_cont = 0; | |
0ca1268e LM |
2284 | |
2285 | /* if the device is a 49wg, we send control message on usb control EP 0 */ | |
2286 | ||
2287 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
2288 | dr = (void *)(s_priv->ctrl_buf); | |
2289 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
2290 | dr->bRequest = 0xB0; /* 49wg control message */; | |
2291 | dr->wValue = 0; | |
2292 | dr->wIndex = 0; | |
2293 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2294 | ||
2295 | memcpy (s_priv->glocont_buf, &msg, sizeof(msg)); | |
2296 | ||
2297 | usb_fill_control_urb(this_urb, serial->dev, usb_sndctrlpipe(serial->dev, 0), | |
2298 | (unsigned char *)dr, s_priv->glocont_buf, sizeof(msg), | |
2299 | usa49_glocont_callback, serial); | |
2300 | ||
2301 | } else { | |
2302 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
1da177e4 | 2303 | |
0ca1268e LM |
2304 | /* send the data out the device on control endpoint */ |
2305 | this_urb->transfer_buffer_length = sizeof(msg); | |
1da177e4 | 2306 | |
0ca1268e LM |
2307 | this_urb->dev = serial->dev; |
2308 | } | |
1da177e4 | 2309 | if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { |
441b62c1 | 2310 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
2311 | } |
2312 | #if 0 | |
2313 | else { | |
441b62c1 | 2314 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__, |
0ca1268e LM |
2315 | outcont_urb, this_urb->transfer_buffer_length, |
2316 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
2317 | } |
2318 | #endif | |
2319 | ||
2320 | return (0); | |
2321 | } | |
2322 | ||
2323 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2324 | struct usb_serial_port *port, | |
2325 | int reset_port) | |
2326 | { | |
2327 | struct keyspan_usa90_portControlMessage msg; | |
2328 | struct keyspan_serial_private *s_priv; | |
2329 | struct keyspan_port_private *p_priv; | |
2330 | const struct keyspan_device_details *d_details; | |
2331 | struct urb *this_urb; | |
2332 | int err; | |
2333 | u8 prescaler; | |
2334 | ||
441b62c1 | 2335 | dbg ("%s", __func__); |
1da177e4 LT |
2336 | |
2337 | s_priv = usb_get_serial_data(serial); | |
2338 | p_priv = usb_get_serial_port_data(port); | |
2339 | d_details = s_priv->device_details; | |
2340 | ||
2341 | /* only do something if we have a bulk out endpoint */ | |
2342 | if ((this_urb = p_priv->outcont_urb) == NULL) { | |
441b62c1 | 2343 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
2344 | return -1; |
2345 | } | |
2346 | ||
2347 | /* Save reset port val for resend. | |
2348 | Don't overwrite resend for open/close condition. */ | |
2349 | if ((reset_port + 1) > p_priv->resend_cont) | |
2350 | p_priv->resend_cont = reset_port + 1; | |
2351 | if (this_urb->status == -EINPROGRESS) { | |
441b62c1 | 2352 | dbg ("%s already writing", __func__); |
1da177e4 LT |
2353 | mdelay(5); |
2354 | return(-1); | |
2355 | } | |
2356 | ||
2357 | memset(&msg, 0, sizeof (struct keyspan_usa90_portControlMessage)); | |
2358 | ||
2359 | /* Only set baud rate if it's changed */ | |
2360 | if (p_priv->old_baud != p_priv->baud) { | |
2361 | p_priv->old_baud = p_priv->baud; | |
2362 | msg.setClocking = 0x01; | |
2363 | if (d_details->calculate_baud_rate | |
2364 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
2365 | &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE ) { | |
441b62c1 | 2366 | dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, |
1da177e4 LT |
2367 | p_priv->baud); |
2368 | p_priv->baud = 9600; | |
2369 | d_details->calculate_baud_rate (p_priv->baud, d_details->baudclk, | |
2370 | &msg.baudHi, &msg.baudLo, &prescaler, 0); | |
2371 | } | |
2372 | msg.setRxMode = 1; | |
2373 | msg.setTxMode = 1; | |
2374 | } | |
2375 | ||
2376 | /* modes must always be correctly specified */ | |
2377 | if (p_priv->baud > 57600) | |
2378 | { | |
2379 | msg.rxMode = RXMODE_DMA; | |
2380 | msg.txMode = TXMODE_DMA; | |
2381 | } | |
2382 | else | |
2383 | { | |
2384 | msg.rxMode = RXMODE_BYHAND; | |
2385 | msg.txMode = TXMODE_BYHAND; | |
2386 | } | |
2387 | ||
2388 | msg.lcr = (p_priv->cflag & CSTOPB)? STOPBITS_678_2: STOPBITS_5678_1; | |
2389 | switch (p_priv->cflag & CSIZE) { | |
2390 | case CS5: | |
2391 | msg.lcr |= USA_DATABITS_5; | |
2392 | break; | |
2393 | case CS6: | |
2394 | msg.lcr |= USA_DATABITS_6; | |
2395 | break; | |
2396 | case CS7: | |
2397 | msg.lcr |= USA_DATABITS_7; | |
2398 | break; | |
2399 | case CS8: | |
2400 | msg.lcr |= USA_DATABITS_8; | |
2401 | break; | |
2402 | } | |
2403 | if (p_priv->cflag & PARENB) { | |
2404 | /* note USA_PARITY_NONE == 0 */ | |
2405 | msg.lcr |= (p_priv->cflag & PARODD)? | |
2406 | USA_PARITY_ODD: USA_PARITY_EVEN; | |
2407 | } | |
2408 | if (p_priv->old_cflag != p_priv->cflag) { | |
2409 | p_priv->old_cflag = p_priv->cflag; | |
2410 | msg.setLcr = 0x01; | |
2411 | } | |
2412 | ||
2413 | if (p_priv->flow_control == flow_cts) | |
2414 | msg.txFlowControl = TXFLOW_CTS; | |
2415 | msg.setTxFlowControl = 0x01; | |
2416 | msg.setRxFlowControl = 0x01; | |
2417 | ||
2418 | msg.rxForwardingLength = 16; | |
2419 | msg.rxForwardingTimeout = 16; | |
2420 | msg.txAckSetting = 0; | |
2421 | msg.xonChar = 17; | |
2422 | msg.xoffChar = 19; | |
2423 | ||
2424 | /* Opening port */ | |
2425 | if (reset_port == 1) { | |
2426 | msg.portEnabled = 1; | |
2427 | msg.rxFlush = 1; | |
2428 | msg.txBreak = (p_priv->break_on); | |
2429 | } | |
2430 | /* Closing port */ | |
2431 | else if (reset_port == 2) { | |
2432 | msg.portEnabled = 0; | |
2433 | } | |
2434 | /* Sending intermediate configs */ | |
2435 | else { | |
2436 | if (port->open_count) | |
2437 | msg.portEnabled = 1; | |
2438 | msg.txBreak = (p_priv->break_on); | |
2439 | } | |
2440 | ||
2441 | /* Do handshaking outputs */ | |
2442 | msg.setRts = 0x01; | |
2443 | msg.rts = p_priv->rts_state; | |
2444 | ||
2445 | msg.setDtr = 0x01; | |
2446 | msg.dtr = p_priv->dtr_state; | |
2447 | ||
2448 | p_priv->resend_cont = 0; | |
2449 | memcpy (this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2450 | ||
2451 | /* send the data out the device on control endpoint */ | |
2452 | this_urb->transfer_buffer_length = sizeof(msg); | |
2453 | ||
2454 | this_urb->dev = serial->dev; | |
2455 | if ((err = usb_submit_urb(this_urb, GFP_ATOMIC)) != 0) { | |
441b62c1 | 2456 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
2457 | } |
2458 | return (0); | |
2459 | } | |
2460 | ||
0ca1268e LM |
2461 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2462 | struct usb_serial_port *port, | |
2463 | int reset_port) | |
2464 | { | |
2465 | struct keyspan_usa67_portControlMessage msg; | |
2466 | struct keyspan_serial_private *s_priv; | |
2467 | struct keyspan_port_private *p_priv; | |
2468 | const struct keyspan_device_details *d_details; | |
2469 | struct urb *this_urb; | |
2470 | int err, device_port; | |
2471 | ||
441b62c1 | 2472 | dbg ("%s", __func__); |
0ca1268e LM |
2473 | |
2474 | s_priv = usb_get_serial_data(serial); | |
2475 | p_priv = usb_get_serial_port_data(port); | |
2476 | d_details = s_priv->device_details; | |
2477 | ||
2478 | this_urb = s_priv->glocont_urb; | |
2479 | ||
2480 | /* Work out which port within the device is being setup */ | |
2481 | device_port = port->number - port->serial->minor; | |
2482 | ||
2483 | /* Make sure we have an urb then send the message */ | |
2484 | if (this_urb == NULL) { | |
441b62c1 | 2485 | dbg("%s - oops no urb for port %d.", __func__, |
0ca1268e LM |
2486 | port->number); |
2487 | return -1; | |
2488 | } | |
2489 | ||
2490 | /* Save reset port val for resend. | |
2491 | Don't overwrite resend for open/close condition. */ | |
2492 | if ((reset_port + 1) > p_priv->resend_cont) | |
2493 | p_priv->resend_cont = reset_port + 1; | |
2494 | if (this_urb->status == -EINPROGRESS) { | |
441b62c1 | 2495 | /* dbg ("%s - already writing", __func__); */ |
0ca1268e LM |
2496 | mdelay(5); |
2497 | return(-1); | |
2498 | } | |
2499 | ||
2500 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2501 | ||
2502 | msg.port = device_port; | |
2503 | ||
2504 | /* Only set baud rate if it's changed */ | |
2505 | if (p_priv->old_baud != p_priv->baud) { | |
2506 | p_priv->old_baud = p_priv->baud; | |
2507 | msg.setClocking = 0xff; | |
2508 | if (d_details->calculate_baud_rate | |
2509 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
2510 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE ) { | |
441b62c1 | 2511 | dbg("%s - Invalid baud rate %d requested, using 9600.", __func__, |
0ca1268e LM |
2512 | p_priv->baud); |
2513 | msg.baudLo = 0; | |
2514 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2515 | msg.prescaler = 10; | |
2516 | } | |
2517 | msg.setPrescaler = 0xff; | |
2518 | } | |
2519 | ||
2520 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2521 | switch (p_priv->cflag & CSIZE) { | |
2522 | case CS5: | |
2523 | msg.lcr |= USA_DATABITS_5; | |
2524 | break; | |
2525 | case CS6: | |
2526 | msg.lcr |= USA_DATABITS_6; | |
2527 | break; | |
2528 | case CS7: | |
2529 | msg.lcr |= USA_DATABITS_7; | |
2530 | break; | |
2531 | case CS8: | |
2532 | msg.lcr |= USA_DATABITS_8; | |
2533 | break; | |
2534 | } | |
2535 | if (p_priv->cflag & PARENB) { | |
2536 | /* note USA_PARITY_NONE == 0 */ | |
2537 | msg.lcr |= (p_priv->cflag & PARODD)? | |
2538 | USA_PARITY_ODD: USA_PARITY_EVEN; | |
2539 | } | |
2540 | msg.setLcr = 0xff; | |
2541 | ||
2542 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2543 | msg.xonFlowControl = 0; | |
2544 | msg.setFlowControl = 0xff; | |
2545 | msg.forwardingLength = 16; | |
2546 | msg.xonChar = 17; | |
2547 | msg.xoffChar = 19; | |
2548 | ||
2549 | if (reset_port == 1) { | |
2550 | /* Opening port */ | |
2551 | msg._txOn = 1; | |
2552 | msg._txOff = 0; | |
2553 | msg.txFlush = 0; | |
2554 | msg.txBreak = 0; | |
2555 | msg.rxOn = 1; | |
2556 | msg.rxOff = 0; | |
2557 | msg.rxFlush = 1; | |
2558 | msg.rxForward = 0; | |
2559 | msg.returnStatus = 0; | |
2560 | msg.resetDataToggle = 0xff; | |
2561 | } else if (reset_port == 2) { | |
2562 | /* Closing port */ | |
2563 | msg._txOn = 0; | |
2564 | msg._txOff = 1; | |
2565 | msg.txFlush = 0; | |
2566 | msg.txBreak = 0; | |
2567 | msg.rxOn = 0; | |
2568 | msg.rxOff = 1; | |
2569 | msg.rxFlush = 1; | |
2570 | msg.rxForward = 0; | |
2571 | msg.returnStatus = 0; | |
2572 | msg.resetDataToggle = 0; | |
2573 | } else { | |
2574 | /* Sending intermediate configs */ | |
2575 | msg._txOn = (! p_priv->break_on); | |
2576 | msg._txOff = 0; | |
2577 | msg.txFlush = 0; | |
2578 | msg.txBreak = (p_priv->break_on); | |
2579 | msg.rxOn = 0; | |
2580 | msg.rxOff = 0; | |
2581 | msg.rxFlush = 0; | |
2582 | msg.rxForward = 0; | |
2583 | msg.returnStatus = 0; | |
2584 | msg.resetDataToggle = 0x0; | |
2585 | } | |
2586 | ||
2587 | /* Do handshaking outputs */ | |
2588 | msg.setTxTriState_setRts = 0xff; | |
2589 | msg.txTriState_rts = p_priv->rts_state; | |
2590 | ||
2591 | msg.setHskoa_setDtr = 0xff; | |
2592 | msg.hskoa_dtr = p_priv->dtr_state; | |
2593 | ||
2594 | p_priv->resend_cont = 0; | |
2595 | ||
2596 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2597 | ||
2598 | /* send the data out the device on control endpoint */ | |
2599 | this_urb->transfer_buffer_length = sizeof(msg); | |
2600 | this_urb->dev = serial->dev; | |
2601 | ||
2602 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2603 | if (err != 0) | |
441b62c1 | 2604 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, |
0ca1268e LM |
2605 | err); |
2606 | return (0); | |
2607 | } | |
2608 | ||
1da177e4 LT |
2609 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2610 | { | |
2611 | struct usb_serial *serial = port->serial; | |
2612 | struct keyspan_serial_private *s_priv; | |
2613 | const struct keyspan_device_details *d_details; | |
2614 | ||
441b62c1 | 2615 | dbg ("%s", __func__); |
1da177e4 LT |
2616 | |
2617 | s_priv = usb_get_serial_data(serial); | |
2618 | d_details = s_priv->device_details; | |
2619 | ||
2620 | switch (d_details->msg_format) { | |
2621 | case msg_usa26: | |
2622 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2623 | break; | |
2624 | case msg_usa28: | |
2625 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2626 | break; | |
2627 | case msg_usa49: | |
2628 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2629 | break; | |
2630 | case msg_usa90: | |
2631 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2632 | break; | |
0ca1268e LM |
2633 | case msg_usa67: |
2634 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2635 | break; | |
1da177e4 LT |
2636 | } |
2637 | } | |
2638 | ||
2639 | ||
2640 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2641 | and renumeration has taken place. */ | |
2642 | static int keyspan_startup (struct usb_serial *serial) | |
2643 | { | |
2644 | int i, err; | |
2645 | struct usb_serial_port *port; | |
2646 | struct keyspan_serial_private *s_priv; | |
2647 | struct keyspan_port_private *p_priv; | |
2648 | const struct keyspan_device_details *d_details; | |
2649 | ||
441b62c1 | 2650 | dbg("%s", __func__); |
1da177e4 LT |
2651 | |
2652 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) | |
2653 | if (d_details->product_id == le16_to_cpu(serial->dev->descriptor.idProduct)) | |
2654 | break; | |
2655 | if (d_details == NULL) { | |
441b62c1 | 2656 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); |
1da177e4 LT |
2657 | return 1; |
2658 | } | |
2659 | ||
2660 | /* Setup private data for serial driver */ | |
80b6ca48 | 2661 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2662 | if (!s_priv) { |
441b62c1 | 2663 | dbg("%s - kmalloc for keyspan_serial_private failed.", __func__); |
1da177e4 LT |
2664 | return -ENOMEM; |
2665 | } | |
1da177e4 LT |
2666 | |
2667 | s_priv->device_details = d_details; | |
2668 | usb_set_serial_data(serial, s_priv); | |
2669 | ||
2670 | /* Now setup per port private data */ | |
2671 | for (i = 0; i < serial->num_ports; i++) { | |
2672 | port = serial->port[i]; | |
80b6ca48 | 2673 | p_priv = kzalloc(sizeof(struct keyspan_port_private), GFP_KERNEL); |
1da177e4 | 2674 | if (!p_priv) { |
441b62c1 | 2675 | dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __func__, i); |
1da177e4 LT |
2676 | return (1); |
2677 | } | |
1da177e4 LT |
2678 | p_priv->device_details = d_details; |
2679 | usb_set_serial_port_data(port, p_priv); | |
2680 | } | |
2681 | ||
2682 | keyspan_setup_urbs(serial); | |
2683 | ||
0ca1268e LM |
2684 | if (s_priv->instat_urb != NULL) { |
2685 | s_priv->instat_urb->dev = serial->dev; | |
2686 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); | |
2687 | if (err != 0) | |
441b62c1 | 2688 | dbg("%s - submit instat urb failed %d", __func__, |
0ca1268e LM |
2689 | err); |
2690 | } | |
2691 | if (s_priv->indat_urb != NULL) { | |
2692 | s_priv->indat_urb->dev = serial->dev; | |
2693 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); | |
2694 | if (err != 0) | |
441b62c1 | 2695 | dbg("%s - submit indat urb failed %d", __func__, |
0ca1268e | 2696 | err); |
1da177e4 LT |
2697 | } |
2698 | ||
2699 | return (0); | |
2700 | } | |
2701 | ||
2702 | static void keyspan_shutdown (struct usb_serial *serial) | |
2703 | { | |
2704 | int i, j; | |
2705 | struct usb_serial_port *port; | |
2706 | struct keyspan_serial_private *s_priv; | |
2707 | struct keyspan_port_private *p_priv; | |
2708 | ||
441b62c1 | 2709 | dbg("%s", __func__); |
1da177e4 LT |
2710 | |
2711 | s_priv = usb_get_serial_data(serial); | |
2712 | ||
2713 | /* Stop reading/writing urbs */ | |
2714 | stop_urb(s_priv->instat_urb); | |
2715 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2716 | stop_urb(s_priv->indat_urb); |
1da177e4 LT |
2717 | for (i = 0; i < serial->num_ports; ++i) { |
2718 | port = serial->port[i]; | |
2719 | p_priv = usb_get_serial_port_data(port); | |
2720 | stop_urb(p_priv->inack_urb); | |
2721 | stop_urb(p_priv->outcont_urb); | |
2722 | for (j = 0; j < 2; j++) { | |
2723 | stop_urb(p_priv->in_urbs[j]); | |
2724 | stop_urb(p_priv->out_urbs[j]); | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | /* Now free them */ | |
1cadc137 | 2729 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2730 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2731 | usb_free_urb(s_priv->glocont_urb); |
1da177e4 LT |
2732 | for (i = 0; i < serial->num_ports; ++i) { |
2733 | port = serial->port[i]; | |
2734 | p_priv = usb_get_serial_port_data(port); | |
1cadc137 MK |
2735 | usb_free_urb(p_priv->inack_urb); |
2736 | usb_free_urb(p_priv->outcont_urb); | |
1da177e4 | 2737 | for (j = 0; j < 2; j++) { |
1cadc137 MK |
2738 | usb_free_urb(p_priv->in_urbs[j]); |
2739 | usb_free_urb(p_priv->out_urbs[j]); | |
1da177e4 LT |
2740 | } |
2741 | } | |
2742 | ||
2743 | /* dbg("Freeing serial->private."); */ | |
2744 | kfree(s_priv); | |
2745 | ||
2746 | /* dbg("Freeing port->private."); */ | |
2747 | /* Now free per port private data */ | |
2748 | for (i = 0; i < serial->num_ports; i++) { | |
2749 | port = serial->port[i]; | |
2750 | kfree(usb_get_serial_port_data(port)); | |
2751 | } | |
2752 | } | |
2753 | ||
2754 | MODULE_AUTHOR( DRIVER_AUTHOR ); | |
2755 | MODULE_DESCRIPTION( DRIVER_DESC ); | |
2756 | MODULE_LICENSE("GPL"); | |
2757 | ||
2758 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
2759 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
2760 |