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Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
deb91685 | 3 | |
1da177e4 LT |
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 6 | |
1da177e4 LT |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
631dd1a8 | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 13 | |
1da177e4 LT |
14 | Code in this driver inspired by and in a number of places taken |
15 | from Brian Warner's original Keyspan-PDA driver. | |
16 | ||
17 | This driver has been put together with the support of Innosys, Inc. | |
18 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. | |
19 | Thanks Guys :) | |
deb91685 | 20 | |
1da177e4 LT |
21 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
22 | of much nicer and/or completely new code and (perhaps most uniquely) | |
23 | having the patience to sit down and explain why and where he'd changed | |
deb91685 AC |
24 | stuff. |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 | 27 | staff in their work on open source projects. |
1da177e4 LT |
28 | */ |
29 | ||
30 | ||
1da177e4 LT |
31 | #include <linux/kernel.h> |
32 | #include <linux/jiffies.h> | |
33 | #include <linux/errno.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/tty.h> | |
37 | #include <linux/tty_driver.h> | |
38 | #include <linux/tty_flip.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
2971c579 DW |
41 | #include <linux/firmware.h> |
42 | #include <linux/ihex.h> | |
deb91685 | 43 | #include <linux/uaccess.h> |
1da177e4 | 44 | #include <linux/usb.h> |
a969888c | 45 | #include <linux/usb/serial.h> |
1da177e4 LT |
46 | #include "keyspan.h" |
47 | ||
90ab5ee9 | 48 | static bool debug; |
1da177e4 LT |
49 | |
50 | /* | |
51 | * Version Information | |
52 | */ | |
0ca1268e | 53 | #define DRIVER_VERSION "v1.1.5" |
1da177e4 LT |
54 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
55 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
56 | ||
57 | #define INSTAT_BUFLEN 32 | |
58 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 59 | #define INDAT49W_BUFLEN 512 |
1da177e4 LT |
60 | |
61 | /* Per device and per port private data */ | |
62 | struct keyspan_serial_private { | |
63 | const struct keyspan_device_details *device_details; | |
64 | ||
65 | struct urb *instat_urb; | |
66 | char instat_buf[INSTAT_BUFLEN]; | |
67 | ||
deb91685 AC |
68 | /* added to support 49wg, where data from all 4 ports comes in |
69 | on 1 EP and high-speed supported */ | |
0ca1268e LM |
70 | struct urb *indat_urb; |
71 | char indat_buf[INDAT49W_BUFLEN]; | |
72 | ||
1da177e4 LT |
73 | /* XXX this one probably will need a lock */ |
74 | struct urb *glocont_urb; | |
75 | char glocont_buf[GLOCONT_BUFLEN]; | |
deb91685 | 76 | char ctrl_buf[8]; /* for EP0 control message */ |
1da177e4 LT |
77 | }; |
78 | ||
79 | struct keyspan_port_private { | |
80 | /* Keep track of which input & output endpoints to use */ | |
81 | int in_flip; | |
82 | int out_flip; | |
83 | ||
84 | /* Keep duplicate of device details in each port | |
85 | structure as well - simplifies some of the | |
86 | callback functions etc. */ | |
87 | const struct keyspan_device_details *device_details; | |
88 | ||
89 | /* Input endpoints and buffer for this port */ | |
90 | struct urb *in_urbs[2]; | |
91 | char in_buffer[2][64]; | |
92 | /* Output endpoints and buffer for this port */ | |
93 | struct urb *out_urbs[2]; | |
94 | char out_buffer[2][64]; | |
95 | ||
96 | /* Input ack endpoint */ | |
97 | struct urb *inack_urb; | |
98 | char inack_buffer[1]; | |
99 | ||
100 | /* Output control endpoint */ | |
101 | struct urb *outcont_urb; | |
102 | char outcont_buffer[64]; | |
103 | ||
104 | /* Settings for the port */ | |
105 | int baud; | |
106 | int old_baud; | |
107 | unsigned int cflag; | |
108 | unsigned int old_cflag; | |
109 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
110 | int rts_state; /* Handshaking pins (outputs) */ | |
111 | int dtr_state; | |
112 | int cts_state; /* Handshaking pins (inputs) */ | |
113 | int dsr_state; | |
114 | int dcd_state; | |
115 | int ri_state; | |
116 | int break_on; | |
117 | ||
118 | unsigned long tx_start_time[2]; | |
119 | int resend_cont; /* need to resend control packet */ | |
120 | }; | |
121 | ||
1da177e4 | 122 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 123 | make use of one of five message formats which are referred |
deb91685 AC |
124 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
125 | within this driver. */ | |
1da177e4 LT |
126 | #include "keyspan_usa26msg.h" |
127 | #include "keyspan_usa28msg.h" | |
128 | #include "keyspan_usa49msg.h" | |
129 | #include "keyspan_usa90msg.h" | |
0ca1268e | 130 | #include "keyspan_usa67msg.h" |
deb91685 | 131 | |
1da177e4 | 132 | |
68e24113 | 133 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
1da177e4 | 134 | |
95da310e | 135 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 136 | { |
95da310e | 137 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
138 | struct keyspan_port_private *p_priv; |
139 | ||
1da177e4 LT |
140 | p_priv = usb_get_serial_port_data(port); |
141 | ||
142 | if (break_state == -1) | |
143 | p_priv->break_on = 1; | |
144 | else | |
145 | p_priv->break_on = 0; | |
146 | ||
147 | keyspan_send_setup(port, 0); | |
148 | } | |
149 | ||
150 | ||
deb91685 | 151 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 152 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
153 | { |
154 | int baud_rate, device_port; | |
155 | struct keyspan_port_private *p_priv; | |
156 | const struct keyspan_device_details *d_details; | |
157 | unsigned int cflag; | |
158 | ||
1da177e4 LT |
159 | p_priv = usb_get_serial_port_data(port); |
160 | d_details = p_priv->device_details; | |
74240b07 | 161 | cflag = tty->termios->c_cflag; |
1da177e4 LT |
162 | device_port = port->number - port->serial->minor; |
163 | ||
164 | /* Baud rate calculation takes baud rate as an integer | |
165 | so other rates can be generated if desired. */ | |
74240b07 | 166 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 167 | /* If no match or invalid, don't change */ |
74240b07 | 168 | if (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, |
1da177e4 LT |
169 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
170 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 171 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 172 | p_priv->baud = baud_rate; |
74240b07 AC |
173 | } else |
174 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 175 | |
74240b07 | 176 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
177 | /* set CTS/RTS handshake etc. */ |
178 | p_priv->cflag = cflag; | |
2b982ab1 | 179 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 180 | |
74240b07 AC |
181 | /* Mark/Space not supported */ |
182 | tty->termios->c_cflag &= ~CMSPAR; | |
183 | ||
1da177e4 LT |
184 | keyspan_send_setup(port, 0); |
185 | } | |
186 | ||
60b33c13 | 187 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 188 | { |
95da310e AC |
189 | struct usb_serial_port *port = tty->driver_data; |
190 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 191 | unsigned int value; |
deb91685 | 192 | |
1da177e4 LT |
193 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
194 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
195 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
196 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
197 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 198 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
199 | |
200 | return value; | |
201 | } | |
202 | ||
20b9d177 | 203 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
204 | unsigned int set, unsigned int clear) |
205 | { | |
95da310e AC |
206 | struct usb_serial_port *port = tty->driver_data; |
207 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 208 | |
1da177e4 LT |
209 | if (set & TIOCM_RTS) |
210 | p_priv->rts_state = 1; | |
211 | if (set & TIOCM_DTR) | |
212 | p_priv->dtr_state = 1; | |
1da177e4 LT |
213 | if (clear & TIOCM_RTS) |
214 | p_priv->rts_state = 0; | |
215 | if (clear & TIOCM_DTR) | |
216 | p_priv->dtr_state = 0; | |
217 | keyspan_send_setup(port, 0); | |
218 | return 0; | |
219 | } | |
220 | ||
95da310e AC |
221 | /* Write function is similar for the four protocols used |
222 | with only a minor change for usa90 (usa19hs) required */ | |
223 | static int keyspan_write(struct tty_struct *tty, | |
224 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
225 | { |
226 | struct keyspan_port_private *p_priv; | |
227 | const struct keyspan_device_details *d_details; | |
228 | int flip; | |
229 | int left, todo; | |
230 | struct urb *this_urb; | |
deb91685 | 231 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
232 | |
233 | p_priv = usb_get_serial_port_data(port); | |
234 | d_details = p_priv->device_details; | |
235 | ||
236 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 237 | maxDataLen = 64; |
1da177e4 LT |
238 | dataOffset = 0; |
239 | } else { | |
240 | maxDataLen = 63; | |
241 | dataOffset = 1; | |
242 | } | |
deb91685 | 243 | |
1da177e4 | 244 | dbg("%s - for port %d (%d chars), flip=%d", |
441b62c1 | 245 | __func__, port->number, count, p_priv->out_flip); |
1da177e4 LT |
246 | |
247 | for (left = count; left > 0; left -= todo) { | |
248 | todo = left; | |
249 | if (todo > maxDataLen) | |
250 | todo = maxDataLen; | |
251 | ||
252 | flip = p_priv->out_flip; | |
deb91685 | 253 | |
1da177e4 | 254 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
255 | this_urb = p_priv->out_urbs[flip]; |
256 | if (this_urb == NULL) { | |
1da177e4 | 257 | /* no bulk out, so return 0 bytes written */ |
441b62c1 | 258 | dbg("%s - no output urb :(", __func__); |
1da177e4 LT |
259 | return count; |
260 | } | |
261 | ||
deb91685 AC |
262 | dbg("%s - endpoint %d flip %d", |
263 | __func__, usb_pipeendpoint(this_urb->pipe), flip); | |
1da177e4 LT |
264 | |
265 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
266 | if (time_before(jiffies, |
267 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 268 | break; |
1da177e4 LT |
269 | usb_unlink_urb(this_urb); |
270 | break; | |
271 | } | |
272 | ||
deb91685 AC |
273 | /* First byte in buffer is "last flag" (except for usa19hx) |
274 | - unused so for now so set to zero */ | |
1da177e4 LT |
275 | ((char *)this_urb->transfer_buffer)[0] = 0; |
276 | ||
deb91685 | 277 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
278 | buf += todo; |
279 | ||
280 | /* send the data out the bulk port */ | |
281 | this_urb->transfer_buffer_length = todo + dataOffset; | |
282 | ||
deb91685 AC |
283 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
284 | if (err != 0) | |
1da177e4 | 285 | dbg("usb_submit_urb(write bulk) failed (%d)", err); |
1da177e4 LT |
286 | p_priv->tx_start_time[flip] = jiffies; |
287 | ||
288 | /* Flip for next time if usa26 or usa28 interface | |
289 | (not used on usa49) */ | |
290 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
291 | } | |
292 | ||
293 | return count - left; | |
294 | } | |
295 | ||
7d12e780 | 296 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
297 | { |
298 | int i, err; | |
299 | int endpoint; | |
300 | struct usb_serial_port *port; | |
301 | struct tty_struct *tty; | |
302 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 303 | int status = urb->status; |
1da177e4 | 304 | |
1da177e4 LT |
305 | endpoint = usb_pipeendpoint(urb->pipe); |
306 | ||
95b93454 | 307 | if (status) { |
1da177e4 | 308 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 309 | __func__, status, endpoint); |
1da177e4 LT |
310 | return; |
311 | } | |
312 | ||
cdc97792 | 313 | port = urb->context; |
4a90f09b | 314 | tty = tty_port_tty_get(&port->port); |
a5569a56 | 315 | if (tty && urb->actual_length) { |
1da177e4 LT |
316 | /* 0x80 bit is error flag */ |
317 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
318 | /* no errors on individual bytes, only |
319 | possible overrun err */ | |
1da177e4 | 320 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
321 | err = TTY_OVERRUN; |
322 | else | |
323 | err = 0; | |
324 | for (i = 1; i < urb->actual_length ; ++i) | |
1da177e4 | 325 | tty_insert_flip_char(tty, data[i], err); |
1da177e4 LT |
326 | } else { |
327 | /* some bytes had errors, every byte has status */ | |
441b62c1 | 328 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
329 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
330 | int stat = data[i], flag = 0; | |
331 | if (stat & RXERROR_OVERRUN) | |
332 | flag |= TTY_OVERRUN; | |
333 | if (stat & RXERROR_FRAMING) | |
334 | flag |= TTY_FRAME; | |
335 | if (stat & RXERROR_PARITY) | |
336 | flag |= TTY_PARITY; | |
337 | /* XXX should handle break (0x10) */ | |
338 | tty_insert_flip_char(tty, data[i+1], flag); | |
339 | } | |
340 | } | |
341 | tty_flip_buffer_push(tty); | |
342 | } | |
4a90f09b | 343 | tty_kref_put(tty); |
deb91685 AC |
344 | |
345 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
346 | err = usb_submit_urb(urb, GFP_ATOMIC); |
347 | if (err != 0) | |
348 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
349 | } |
350 | ||
deb91685 | 351 | /* Outdat handling is common for all devices */ |
7d12e780 | 352 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
353 | { |
354 | struct usb_serial_port *port; | |
355 | struct keyspan_port_private *p_priv; | |
356 | ||
cdc97792 | 357 | port = urb->context; |
1da177e4 | 358 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 359 | dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 360 | |
1f87158e | 361 | usb_serial_port_softint(port); |
1da177e4 LT |
362 | } |
363 | ||
7d12e780 | 364 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 365 | { |
1da177e4 LT |
366 | } |
367 | ||
7d12e780 | 368 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
369 | { |
370 | struct usb_serial_port *port; | |
371 | struct keyspan_port_private *p_priv; | |
372 | ||
cdc97792 | 373 | port = urb->context; |
1da177e4 LT |
374 | p_priv = usb_get_serial_port_data(port); |
375 | ||
376 | if (p_priv->resend_cont) { | |
deb91685 AC |
377 | dbg("%s - sending setup", __func__); |
378 | keyspan_usa26_send_setup(port->serial, port, | |
379 | p_priv->resend_cont - 1); | |
1da177e4 LT |
380 | } |
381 | } | |
382 | ||
7d12e780 | 383 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
384 | { |
385 | unsigned char *data = urb->transfer_buffer; | |
386 | struct keyspan_usa26_portStatusMessage *msg; | |
387 | struct usb_serial *serial; | |
388 | struct usb_serial_port *port; | |
389 | struct keyspan_port_private *p_priv; | |
4a90f09b | 390 | struct tty_struct *tty; |
1da177e4 | 391 | int old_dcd_state, err; |
95b93454 | 392 | int status = urb->status; |
1da177e4 | 393 | |
cdc97792 | 394 | serial = urb->context; |
1da177e4 | 395 | |
95b93454 | 396 | if (status) { |
441b62c1 | 397 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
398 | return; |
399 | } | |
400 | if (urb->actual_length != 9) { | |
441b62c1 | 401 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
402 | goto exit; |
403 | } | |
404 | ||
405 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
406 | ||
407 | #if 0 | |
408 | dbg("%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
441b62c1 | 409 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, msg->ri, msg->_txOff, |
1da177e4 LT |
410 | msg->_txXoff, msg->rxEnabled, msg->controlResponse); |
411 | #endif | |
412 | ||
413 | /* Now do something useful with the data */ | |
414 | ||
415 | ||
deb91685 | 416 | /* Check port number from message and retrieve private data */ |
1da177e4 | 417 | if (msg->port >= serial->num_ports) { |
deb91685 | 418 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
419 | goto exit; |
420 | } | |
421 | port = serial->port[msg->port]; | |
422 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 423 | |
1da177e4 LT |
424 | /* Update handshaking pin state information */ |
425 | old_dcd_state = p_priv->dcd_state; | |
426 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
427 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
428 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
429 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
430 | ||
4a90f09b AC |
431 | if (old_dcd_state != p_priv->dcd_state) { |
432 | tty = tty_port_tty_get(&port->port); | |
433 | if (tty && !C_CLOCAL(tty)) | |
434 | tty_hangup(tty); | |
435 | tty_kref_put(tty); | |
1da177e4 | 436 | } |
deb91685 | 437 | |
1da177e4 | 438 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
439 | err = usb_submit_urb(urb, GFP_ATOMIC); |
440 | if (err != 0) | |
441b62c1 | 441 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
442 | exit: ; |
443 | } | |
444 | ||
7d12e780 | 445 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 446 | { |
1da177e4 LT |
447 | } |
448 | ||
449 | ||
7d12e780 | 450 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 451 | { |
f035a8ad | 452 | int err; |
1da177e4 LT |
453 | struct usb_serial_port *port; |
454 | struct tty_struct *tty; | |
455 | unsigned char *data; | |
456 | struct keyspan_port_private *p_priv; | |
95b93454 | 457 | int status = urb->status; |
1da177e4 | 458 | |
cdc97792 | 459 | port = urb->context; |
1da177e4 LT |
460 | p_priv = usb_get_serial_port_data(port); |
461 | data = urb->transfer_buffer; | |
462 | ||
463 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
464 | return; | |
465 | ||
466 | do { | |
95b93454 | 467 | if (status) { |
1da177e4 | 468 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 469 | __func__, status, usb_pipeendpoint(urb->pipe)); |
1da177e4 LT |
470 | return; |
471 | } | |
472 | ||
cdc97792 | 473 | port = urb->context; |
1da177e4 LT |
474 | p_priv = usb_get_serial_port_data(port); |
475 | data = urb->transfer_buffer; | |
476 | ||
40adac81 | 477 | tty = tty_port_tty_get(&port->port); |
4a90f09b | 478 | if (tty && urb->actual_length) { |
f035a8ad | 479 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
480 | tty_flip_buffer_push(tty); |
481 | } | |
4a90f09b | 482 | tty_kref_put(tty); |
1da177e4 LT |
483 | |
484 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
485 | err = usb_submit_urb(urb, GFP_ATOMIC); |
486 | if (err != 0) | |
487 | dbg("%s - resubmit read urb failed. (%d)", | |
488 | __func__, err); | |
1da177e4 LT |
489 | p_priv->in_flip ^= 1; |
490 | ||
491 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
492 | } while (urb->status != -EINPROGRESS); | |
493 | } | |
494 | ||
7d12e780 | 495 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 496 | { |
1da177e4 LT |
497 | } |
498 | ||
7d12e780 | 499 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
500 | { |
501 | struct usb_serial_port *port; | |
502 | struct keyspan_port_private *p_priv; | |
503 | ||
cdc97792 | 504 | port = urb->context; |
1da177e4 LT |
505 | p_priv = usb_get_serial_port_data(port); |
506 | ||
507 | if (p_priv->resend_cont) { | |
deb91685 AC |
508 | dbg("%s - sending setup", __func__); |
509 | keyspan_usa28_send_setup(port->serial, port, | |
510 | p_priv->resend_cont - 1); | |
1da177e4 LT |
511 | } |
512 | } | |
513 | ||
7d12e780 | 514 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
515 | { |
516 | int err; | |
517 | unsigned char *data = urb->transfer_buffer; | |
518 | struct keyspan_usa28_portStatusMessage *msg; | |
519 | struct usb_serial *serial; | |
520 | struct usb_serial_port *port; | |
521 | struct keyspan_port_private *p_priv; | |
4a90f09b | 522 | struct tty_struct *tty; |
1da177e4 | 523 | int old_dcd_state; |
95b93454 | 524 | int status = urb->status; |
1da177e4 | 525 | |
cdc97792 | 526 | serial = urb->context; |
1da177e4 | 527 | |
95b93454 | 528 | if (status) { |
441b62c1 | 529 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
530 | return; |
531 | } | |
532 | ||
533 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
441b62c1 | 534 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
535 | goto exit; |
536 | } | |
537 | ||
441b62c1 | 538 | /*dbg("%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__ |
1da177e4 LT |
539 | data[0], data[1], data[2], data[3], data[4], data[5], |
540 | data[6], data[7], data[8], data[9], data[10], data[11]);*/ | |
1da177e4 | 541 | |
deb91685 AC |
542 | /* Now do something useful with the data */ |
543 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
1da177e4 | 544 | |
deb91685 | 545 | /* Check port number from message and retrieve private data */ |
1da177e4 | 546 | if (msg->port >= serial->num_ports) { |
deb91685 | 547 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
1da177e4 LT |
548 | goto exit; |
549 | } | |
550 | port = serial->port[msg->port]; | |
551 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 552 | |
1da177e4 LT |
553 | /* Update handshaking pin state information */ |
554 | old_dcd_state = p_priv->dcd_state; | |
555 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
556 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
557 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
558 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
559 | ||
ddc04ae7 | 560 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
4a90f09b | 561 | tty = tty_port_tty_get(&port->port); |
878b5fd6 | 562 | if (tty && !C_CLOCAL(tty)) |
4a90f09b AC |
563 | tty_hangup(tty); |
564 | tty_kref_put(tty); | |
1da177e4 LT |
565 | } |
566 | ||
567 | /* Resubmit urb so we continue receiving */ | |
deb91685 AC |
568 | err = usb_submit_urb(urb, GFP_ATOMIC); |
569 | if (err != 0) | |
441b62c1 | 570 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
571 | exit: ; |
572 | } | |
573 | ||
7d12e780 | 574 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 575 | { |
1da177e4 LT |
576 | } |
577 | ||
578 | ||
7d12e780 | 579 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
580 | { |
581 | struct usb_serial *serial; | |
582 | struct usb_serial_port *port; | |
583 | struct keyspan_port_private *p_priv; | |
584 | int i; | |
585 | ||
cdc97792 | 586 | serial = urb->context; |
1da177e4 LT |
587 | for (i = 0; i < serial->num_ports; ++i) { |
588 | port = serial->port[i]; | |
589 | p_priv = usb_get_serial_port_data(port); | |
590 | ||
591 | if (p_priv->resend_cont) { | |
deb91685 AC |
592 | dbg("%s - sending setup", __func__); |
593 | keyspan_usa49_send_setup(serial, port, | |
594 | p_priv->resend_cont - 1); | |
1da177e4 LT |
595 | break; |
596 | } | |
597 | } | |
598 | } | |
599 | ||
600 | /* This is actually called glostat in the Keyspan | |
601 | doco */ | |
7d12e780 | 602 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
603 | { |
604 | int err; | |
605 | unsigned char *data = urb->transfer_buffer; | |
606 | struct keyspan_usa49_portStatusMessage *msg; | |
607 | struct usb_serial *serial; | |
608 | struct usb_serial_port *port; | |
609 | struct keyspan_port_private *p_priv; | |
610 | int old_dcd_state; | |
95b93454 | 611 | int status = urb->status; |
1da177e4 | 612 | |
cdc97792 | 613 | serial = urb->context; |
1da177e4 | 614 | |
95b93454 | 615 | if (status) { |
441b62c1 | 616 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
617 | return; |
618 | } | |
619 | ||
deb91685 AC |
620 | if (urb->actual_length != |
621 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
441b62c1 | 622 | dbg("%s - bad length %d", __func__, urb->actual_length); |
1da177e4 LT |
623 | goto exit; |
624 | } | |
625 | ||
441b62c1 | 626 | /*dbg(" %x %x %x %x %x %x %x %x %x %x %x", __func__, |
1da177e4 LT |
627 | data[0], data[1], data[2], data[3], data[4], data[5], |
628 | data[6], data[7], data[8], data[9], data[10]);*/ | |
deb91685 AC |
629 | |
630 | /* Now do something useful with the data */ | |
1da177e4 LT |
631 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
632 | ||
deb91685 | 633 | /* Check port number from message and retrieve private data */ |
1da177e4 | 634 | if (msg->portNumber >= serial->num_ports) { |
deb91685 AC |
635 | dbg("%s - Unexpected port number %d", |
636 | __func__, msg->portNumber); | |
1da177e4 LT |
637 | goto exit; |
638 | } | |
639 | port = serial->port[msg->portNumber]; | |
640 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 641 | |
1da177e4 LT |
642 | /* Update handshaking pin state information */ |
643 | old_dcd_state = p_priv->dcd_state; | |
644 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
645 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
646 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
647 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
648 | ||
4a90f09b AC |
649 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
650 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
651 | if (tty && !C_CLOCAL(tty)) | |
652 | tty_hangup(tty); | |
653 | tty_kref_put(tty); | |
1da177e4 LT |
654 | } |
655 | ||
deb91685 | 656 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
657 | err = usb_submit_urb(urb, GFP_ATOMIC); |
658 | if (err != 0) | |
441b62c1 | 659 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
660 | exit: ; |
661 | } | |
662 | ||
7d12e780 | 663 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 664 | { |
1da177e4 LT |
665 | } |
666 | ||
7d12e780 | 667 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
668 | { |
669 | int i, err; | |
670 | int endpoint; | |
671 | struct usb_serial_port *port; | |
672 | struct tty_struct *tty; | |
673 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 674 | int status = urb->status; |
1da177e4 | 675 | |
1da177e4 LT |
676 | endpoint = usb_pipeendpoint(urb->pipe); |
677 | ||
95b93454 | 678 | if (status) { |
441b62c1 | 679 | dbg("%s - nonzero status: %x on endpoint %d.", __func__, |
95b93454 | 680 | status, endpoint); |
1da177e4 LT |
681 | return; |
682 | } | |
683 | ||
cdc97792 | 684 | port = urb->context; |
4a90f09b | 685 | tty = tty_port_tty_get(&port->port); |
3004e537 | 686 | if (tty && urb->actual_length) { |
1da177e4 LT |
687 | /* 0x80 bit is error flag */ |
688 | if ((data[0] & 0x80) == 0) { | |
689 | /* no error on any byte */ | |
f035a8ad AC |
690 | tty_insert_flip_string(tty, data + 1, |
691 | urb->actual_length - 1); | |
1da177e4 LT |
692 | } else { |
693 | /* some bytes had errors, every byte has status */ | |
694 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
695 | int stat = data[i], flag = 0; | |
696 | if (stat & RXERROR_OVERRUN) | |
697 | flag |= TTY_OVERRUN; | |
698 | if (stat & RXERROR_FRAMING) | |
699 | flag |= TTY_FRAME; | |
700 | if (stat & RXERROR_PARITY) | |
701 | flag |= TTY_PARITY; | |
702 | /* XXX should handle break (0x10) */ | |
703 | tty_insert_flip_char(tty, data[i+1], flag); | |
704 | } | |
705 | } | |
706 | tty_flip_buffer_push(tty); | |
707 | } | |
4a90f09b | 708 | tty_kref_put(tty); |
deb91685 AC |
709 | |
710 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
711 | err = usb_submit_urb(urb, GFP_ATOMIC); |
712 | if (err != 0) | |
713 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
714 | } |
715 | ||
0ca1268e LM |
716 | static void usa49wg_indat_callback(struct urb *urb) |
717 | { | |
718 | int i, len, x, err; | |
719 | struct usb_serial *serial; | |
720 | struct usb_serial_port *port; | |
721 | struct tty_struct *tty; | |
722 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 723 | int status = urb->status; |
0ca1268e | 724 | |
0ca1268e LM |
725 | serial = urb->context; |
726 | ||
95b93454 | 727 | if (status) { |
441b62c1 | 728 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
729 | return; |
730 | } | |
731 | ||
732 | /* inbound data is in the form P#, len, status, data */ | |
733 | i = 0; | |
734 | len = 0; | |
735 | ||
736 | if (urb->actual_length) { | |
737 | while (i < urb->actual_length) { | |
738 | ||
739 | /* Check port number from message*/ | |
740 | if (data[i] >= serial->num_ports) { | |
deb91685 | 741 | dbg("%s - Unexpected port number %d", |
441b62c1 | 742 | __func__, data[i]); |
0ca1268e LM |
743 | return; |
744 | } | |
745 | port = serial->port[data[i++]]; | |
4a90f09b | 746 | tty = tty_port_tty_get(&port->port); |
0ca1268e LM |
747 | len = data[i++]; |
748 | ||
749 | /* 0x80 bit is error flag */ | |
750 | if ((data[i] & 0x80) == 0) { | |
751 | /* no error on any byte */ | |
752 | i++; | |
753 | for (x = 1; x < len ; ++x) | |
1f87158e | 754 | tty_insert_flip_char(tty, data[i++], 0); |
0ca1268e LM |
755 | } else { |
756 | /* | |
757 | * some bytes had errors, every byte has status | |
758 | */ | |
759 | for (x = 0; x + 1 < len; x += 2) { | |
760 | int stat = data[i], flag = 0; | |
761 | if (stat & RXERROR_OVERRUN) | |
762 | flag |= TTY_OVERRUN; | |
763 | if (stat & RXERROR_FRAMING) | |
764 | flag |= TTY_FRAME; | |
765 | if (stat & RXERROR_PARITY) | |
766 | flag |= TTY_PARITY; | |
767 | /* XXX should handle break (0x10) */ | |
1f87158e | 768 | tty_insert_flip_char(tty, |
0ca1268e LM |
769 | data[i+1], flag); |
770 | i += 2; | |
771 | } | |
772 | } | |
1f87158e | 773 | tty_flip_buffer_push(tty); |
4a90f09b | 774 | tty_kref_put(tty); |
0ca1268e LM |
775 | } |
776 | } | |
777 | ||
778 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
779 | err = usb_submit_urb(urb, GFP_ATOMIC); |
780 | if (err != 0) | |
441b62c1 | 781 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
782 | } |
783 | ||
1da177e4 | 784 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 785 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 786 | { |
1da177e4 LT |
787 | } |
788 | ||
0ca1268e | 789 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
790 | { |
791 | int i, err; | |
792 | int endpoint; | |
793 | struct usb_serial_port *port; | |
794 | struct keyspan_port_private *p_priv; | |
795 | struct tty_struct *tty; | |
796 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 797 | int status = urb->status; |
1da177e4 | 798 | |
1da177e4 LT |
799 | endpoint = usb_pipeendpoint(urb->pipe); |
800 | ||
95b93454 | 801 | if (status) { |
1da177e4 | 802 | dbg("%s - nonzero status: %x on endpoint %d.", |
441b62c1 | 803 | __func__, status, endpoint); |
1da177e4 LT |
804 | return; |
805 | } | |
806 | ||
cdc97792 | 807 | port = urb->context; |
1da177e4 LT |
808 | p_priv = usb_get_serial_port_data(port); |
809 | ||
1da177e4 | 810 | if (urb->actual_length) { |
4a90f09b | 811 | tty = tty_port_tty_get(&port->port); |
1da177e4 | 812 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 813 | otherwise looks like usa26 data format */ |
1da177e4 | 814 | |
f035a8ad AC |
815 | if (p_priv->baud > 57600) |
816 | tty_insert_flip_string(tty, data, urb->actual_length); | |
817 | else { | |
1da177e4 LT |
818 | /* 0x80 bit is error flag */ |
819 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
820 | /* no errors on individual bytes, only |
821 | possible overrun err*/ | |
1da177e4 | 822 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
823 | err = TTY_OVERRUN; |
824 | else | |
825 | err = 0; | |
826 | for (i = 1; i < urb->actual_length ; ++i) | |
827 | tty_insert_flip_char(tty, data[i], | |
828 | err); | |
829 | } else { | |
1da177e4 | 830 | /* some bytes had errors, every byte has status */ |
441b62c1 | 831 | dbg("%s - RX error!!!!", __func__); |
1da177e4 LT |
832 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
833 | int stat = data[i], flag = 0; | |
834 | if (stat & RXERROR_OVERRUN) | |
835 | flag |= TTY_OVERRUN; | |
836 | if (stat & RXERROR_FRAMING) | |
837 | flag |= TTY_FRAME; | |
838 | if (stat & RXERROR_PARITY) | |
839 | flag |= TTY_PARITY; | |
840 | /* XXX should handle break (0x10) */ | |
deb91685 AC |
841 | tty_insert_flip_char(tty, data[i+1], |
842 | flag); | |
1da177e4 LT |
843 | } |
844 | } | |
845 | } | |
846 | tty_flip_buffer_push(tty); | |
4a90f09b | 847 | tty_kref_put(tty); |
1da177e4 | 848 | } |
deb91685 | 849 | |
1da177e4 | 850 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
851 | err = usb_submit_urb(urb, GFP_ATOMIC); |
852 | if (err != 0) | |
853 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); | |
1da177e4 LT |
854 | } |
855 | ||
856 | ||
7d12e780 | 857 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
858 | { |
859 | unsigned char *data = urb->transfer_buffer; | |
860 | struct keyspan_usa90_portStatusMessage *msg; | |
861 | struct usb_serial *serial; | |
862 | struct usb_serial_port *port; | |
863 | struct keyspan_port_private *p_priv; | |
4a90f09b | 864 | struct tty_struct *tty; |
1da177e4 | 865 | int old_dcd_state, err; |
95b93454 | 866 | int status = urb->status; |
1da177e4 | 867 | |
cdc97792 | 868 | serial = urb->context; |
1da177e4 | 869 | |
95b93454 | 870 | if (status) { |
441b62c1 | 871 | dbg("%s - nonzero status: %x", __func__, status); |
1da177e4 LT |
872 | return; |
873 | } | |
874 | if (urb->actual_length < 14) { | |
441b62c1 | 875 | dbg("%s - %d byte report??", __func__, urb->actual_length); |
1da177e4 LT |
876 | goto exit; |
877 | } | |
878 | ||
879 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
880 | ||
881 | /* Now do something useful with the data */ | |
882 | ||
883 | port = serial->port[0]; | |
884 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 885 | |
1da177e4 LT |
886 | /* Update handshaking pin state information */ |
887 | old_dcd_state = p_priv->dcd_state; | |
888 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
889 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
890 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
891 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
892 | ||
4a90f09b AC |
893 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
894 | tty = tty_port_tty_get(&port->port); | |
895 | if (tty && !C_CLOCAL(tty)) | |
896 | tty_hangup(tty); | |
897 | tty_kref_put(tty); | |
1da177e4 | 898 | } |
deb91685 | 899 | |
1da177e4 | 900 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
901 | err = usb_submit_urb(urb, GFP_ATOMIC); |
902 | if (err != 0) | |
441b62c1 | 903 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
1da177e4 LT |
904 | exit: |
905 | ; | |
906 | } | |
907 | ||
7d12e780 | 908 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
909 | { |
910 | struct usb_serial_port *port; | |
911 | struct keyspan_port_private *p_priv; | |
912 | ||
cdc97792 | 913 | port = urb->context; |
1da177e4 LT |
914 | p_priv = usb_get_serial_port_data(port); |
915 | ||
916 | if (p_priv->resend_cont) { | |
deb91685 AC |
917 | dbg("%s - sending setup", __func__); |
918 | keyspan_usa90_send_setup(port->serial, port, | |
919 | p_priv->resend_cont - 1); | |
1da177e4 LT |
920 | } |
921 | } | |
922 | ||
0ca1268e LM |
923 | /* Status messages from the 28xg */ |
924 | static void usa67_instat_callback(struct urb *urb) | |
925 | { | |
926 | int err; | |
927 | unsigned char *data = urb->transfer_buffer; | |
928 | struct keyspan_usa67_portStatusMessage *msg; | |
929 | struct usb_serial *serial; | |
930 | struct usb_serial_port *port; | |
931 | struct keyspan_port_private *p_priv; | |
932 | int old_dcd_state; | |
95b93454 | 933 | int status = urb->status; |
0ca1268e | 934 | |
0ca1268e LM |
935 | serial = urb->context; |
936 | ||
95b93454 | 937 | if (status) { |
441b62c1 | 938 | dbg("%s - nonzero status: %x", __func__, status); |
0ca1268e LM |
939 | return; |
940 | } | |
941 | ||
deb91685 AC |
942 | if (urb->actual_length != |
943 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
441b62c1 | 944 | dbg("%s - bad length %d", __func__, urb->actual_length); |
0ca1268e LM |
945 | return; |
946 | } | |
947 | ||
948 | ||
949 | /* Now do something useful with the data */ | |
950 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
951 | ||
952 | /* Check port number from message and retrieve private data */ | |
953 | if (msg->port >= serial->num_ports) { | |
deb91685 | 954 | dbg("%s - Unexpected port number %d", __func__, msg->port); |
0ca1268e LM |
955 | return; |
956 | } | |
957 | ||
958 | port = serial->port[msg->port]; | |
959 | p_priv = usb_get_serial_port_data(port); | |
960 | ||
961 | /* Update handshaking pin state information */ | |
962 | old_dcd_state = p_priv->dcd_state; | |
963 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
964 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
965 | ||
4a90f09b AC |
966 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
967 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
968 | if (tty && !C_CLOCAL(tty)) | |
969 | tty_hangup(tty); | |
970 | tty_kref_put(tty); | |
0ca1268e LM |
971 | } |
972 | ||
973 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
974 | err = usb_submit_urb(urb, GFP_ATOMIC); |
975 | if (err != 0) | |
441b62c1 | 976 | dbg("%s - resubmit read urb failed. (%d)", __func__, err); |
0ca1268e LM |
977 | } |
978 | ||
979 | static void usa67_glocont_callback(struct urb *urb) | |
980 | { | |
981 | struct usb_serial *serial; | |
982 | struct usb_serial_port *port; | |
983 | struct keyspan_port_private *p_priv; | |
984 | int i; | |
985 | ||
0ca1268e LM |
986 | serial = urb->context; |
987 | for (i = 0; i < serial->num_ports; ++i) { | |
988 | port = serial->port[i]; | |
989 | p_priv = usb_get_serial_port_data(port); | |
990 | ||
991 | if (p_priv->resend_cont) { | |
deb91685 | 992 | dbg("%s - sending setup", __func__); |
0ca1268e LM |
993 | keyspan_usa67_send_setup(serial, port, |
994 | p_priv->resend_cont - 1); | |
995 | break; | |
996 | } | |
997 | } | |
998 | } | |
999 | ||
95da310e | 1000 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 1001 | { |
95da310e | 1002 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1003 | struct keyspan_port_private *p_priv; |
1004 | const struct keyspan_device_details *d_details; | |
1005 | int flip; | |
1006 | int data_len; | |
1007 | struct urb *this_urb; | |
1008 | ||
1da177e4 LT |
1009 | p_priv = usb_get_serial_port_data(port); |
1010 | d_details = p_priv->device_details; | |
1011 | ||
a5b6f60c | 1012 | /* FIXME: locking */ |
1da177e4 | 1013 | if (d_details->msg_format == msg_usa90) |
deb91685 | 1014 | data_len = 64; |
1da177e4 LT |
1015 | else |
1016 | data_len = 63; | |
1017 | ||
1018 | flip = p_priv->out_flip; | |
1019 | ||
1020 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
1021 | this_urb = p_priv->out_urbs[flip]; |
1022 | if (this_urb != NULL) { | |
1da177e4 | 1023 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1024 | return data_len; |
1025 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1026 | this_urb = p_priv->out_urbs[flip]; | |
1027 | if (this_urb != NULL) { | |
1da177e4 | 1028 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1029 | return data_len; |
1030 | } | |
1da177e4 | 1031 | } |
a5b6f60c | 1032 | return 0; |
1da177e4 LT |
1033 | } |
1034 | ||
1035 | ||
a509a7e4 | 1036 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1037 | { |
f78ba157 | 1038 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1039 | const struct keyspan_device_details *d_details; |
1040 | int i, err; | |
f78ba157 | 1041 | int baud_rate, device_port; |
1da177e4 | 1042 | struct urb *urb; |
95da310e | 1043 | unsigned int cflag = 0; |
1da177e4 | 1044 | |
1da177e4 LT |
1045 | p_priv = usb_get_serial_port_data(port); |
1046 | d_details = p_priv->device_details; | |
7eea4364 | 1047 | |
1da177e4 LT |
1048 | /* Set some sane defaults */ |
1049 | p_priv->rts_state = 1; | |
1050 | p_priv->dtr_state = 1; | |
1051 | p_priv->baud = 9600; | |
1052 | ||
1053 | /* force baud and lcr to be set on open */ | |
1054 | p_priv->old_baud = 0; | |
1055 | p_priv->old_cflag = 0; | |
1056 | ||
1057 | p_priv->out_flip = 0; | |
1058 | p_priv->in_flip = 0; | |
1059 | ||
1060 | /* Reset low level data toggle and start reading from endpoints */ | |
1061 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1062 | urb = p_priv->in_urbs[i]; |
1063 | if (urb == NULL) | |
1da177e4 | 1064 | continue; |
1da177e4 | 1065 | |
deb91685 AC |
1066 | /* make sure endpoint data toggle is synchronized |
1067 | with the device */ | |
1da177e4 | 1068 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1069 | err = usb_submit_urb(urb, GFP_KERNEL); |
1070 | if (err != 0) | |
1071 | dbg("%s - submit urb %d failed (%d)", | |
1072 | __func__, i, err); | |
1da177e4 LT |
1073 | } |
1074 | ||
1075 | /* Reset low level data toggle on out endpoints */ | |
1076 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1077 | urb = p_priv->out_urbs[i]; |
1078 | if (urb == NULL) | |
1da177e4 | 1079 | continue; |
deb91685 AC |
1080 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1081 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1082 | } |
1083 | ||
f78ba157 AM |
1084 | /* get the terminal config for the setup message now so we don't |
1085 | * need to send 2 of them */ | |
1086 | ||
f78ba157 | 1087 | device_port = port->number - port->serial->minor; |
95da310e AC |
1088 | if (tty) { |
1089 | cflag = tty->termios->c_cflag; | |
1090 | /* Baud rate calculation takes baud rate as an integer | |
1091 | so other rates can be generated if desired. */ | |
1092 | baud_rate = tty_get_baud_rate(tty); | |
1093 | /* If no match or invalid, leave as default */ | |
1094 | if (baud_rate >= 0 | |
1095 | && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, | |
1096 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { | |
1097 | p_priv->baud = baud_rate; | |
1098 | } | |
f78ba157 | 1099 | } |
f78ba157 AM |
1100 | /* set CTS/RTS handshake etc. */ |
1101 | p_priv->cflag = cflag; | |
2b982ab1 | 1102 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1103 | |
1104 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1105 | /* mdelay(100); */ |
1106 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1107 | |
a5b6f60c | 1108 | return 0; |
1da177e4 LT |
1109 | } |
1110 | ||
1111 | static inline void stop_urb(struct urb *urb) | |
1112 | { | |
242cf670 | 1113 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1114 | usb_kill_urb(urb); |
1da177e4 LT |
1115 | } |
1116 | ||
335f8514 AC |
1117 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1118 | { | |
1119 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1120 | ||
1121 | p_priv->rts_state = on; | |
1122 | p_priv->dtr_state = on; | |
1123 | keyspan_send_setup(port, 0); | |
1124 | } | |
1125 | ||
1126 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1127 | { |
1128 | int i; | |
1129 | struct usb_serial *serial = port->serial; | |
1da177e4 LT |
1130 | struct keyspan_port_private *p_priv; |
1131 | ||
1da177e4 | 1132 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1133 | |
1da177e4 LT |
1134 | p_priv->rts_state = 0; |
1135 | p_priv->dtr_state = 0; | |
deb91685 | 1136 | |
1da177e4 LT |
1137 | if (serial->dev) { |
1138 | keyspan_send_setup(port, 2); | |
1139 | /* pilot-xfer seems to work best with this delay */ | |
1140 | mdelay(100); | |
deb91685 | 1141 | /* keyspan_set_termios(port, NULL); */ |
1da177e4 LT |
1142 | } |
1143 | ||
1144 | /*while (p_priv->outcont_urb->status == -EINPROGRESS) { | |
441b62c1 | 1145 | dbg("%s - urb in progress", __func__); |
1da177e4 LT |
1146 | }*/ |
1147 | ||
1148 | p_priv->out_flip = 0; | |
1149 | p_priv->in_flip = 0; | |
1150 | ||
1151 | if (serial->dev) { | |
1152 | /* Stop reading/writing urbs */ | |
1153 | stop_urb(p_priv->inack_urb); | |
1154 | /* stop_urb(p_priv->outcont_urb); */ | |
1155 | for (i = 0; i < 2; i++) { | |
1156 | stop_urb(p_priv->in_urbs[i]); | |
1157 | stop_urb(p_priv->out_urbs[i]); | |
1158 | } | |
1159 | } | |
1da177e4 LT |
1160 | } |
1161 | ||
deb91685 AC |
1162 | /* download the firmware to a pre-renumeration device */ |
1163 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 LT |
1164 | { |
1165 | int response; | |
2971c579 | 1166 | const struct ihex_binrec *record; |
1da177e4 | 1167 | char *fw_name; |
2971c579 | 1168 | const struct firmware *fw; |
1da177e4 LT |
1169 | |
1170 | dbg("Keyspan startup version %04x product %04x", | |
1171 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1172 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1173 | |
1174 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1175 | != 0x8000) { | |
1da177e4 | 1176 | dbg("Firmware already loaded. Quitting."); |
deb91685 | 1177 | return 1; |
1da177e4 LT |
1178 | } |
1179 | ||
1180 | /* Select firmware image on the basis of idProduct */ | |
1181 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1182 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1183 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1184 | break; |
1185 | ||
1186 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1187 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1188 | break; |
1189 | ||
1190 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1191 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1192 | break; |
1193 | ||
1194 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1195 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1196 | break; |
1197 | ||
1198 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1199 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1200 | break; |
deb91685 | 1201 | |
1da177e4 | 1202 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1203 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1204 | break; |
deb91685 | 1205 | |
1da177e4 | 1206 | case keyspan_mpr_pre_product_id: |
2971c579 | 1207 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1208 | break; |
1209 | ||
1210 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1211 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1212 | break; |
deb91685 | 1213 | |
1da177e4 | 1214 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1215 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1216 | break; |
deb91685 | 1217 | |
1da177e4 | 1218 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1219 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1220 | break; |
deb91685 | 1221 | |
1da177e4 | 1222 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1223 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1224 | break; |
1225 | ||
1226 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1227 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1228 | break; |
1229 | ||
1230 | default: | |
2971c579 DW |
1231 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1232 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1233 | return 1; | |
1da177e4 LT |
1234 | } |
1235 | ||
2971c579 | 1236 | if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) { |
1da177e4 | 1237 | dev_err(&serial->dev->dev, "Required keyspan firmware image (%s) unavailable.\n", fw_name); |
f9943c25 | 1238 | return 1; |
1da177e4 LT |
1239 | } |
1240 | ||
1241 | dbg("Uploading Keyspan %s firmware.", fw_name); | |
1242 | ||
1243 | /* download the firmware image */ | |
1244 | response = ezusb_set_reset(serial, 1); | |
1245 | ||
2971c579 DW |
1246 | record = (const struct ihex_binrec *)fw->data; |
1247 | ||
1248 | while (record) { | |
1249 | response = ezusb_writememory(serial, be32_to_cpu(record->addr), | |
1da177e4 | 1250 | (unsigned char *)record->data, |
2971c579 | 1251 | be16_to_cpu(record->len), 0xa0); |
1da177e4 | 1252 | if (response < 0) { |
deb91685 | 1253 | dev_err(&serial->dev->dev, "ezusb_writememory failed for Keyspan firmware (%d %04X %p %d)\n", |
2971c579 DW |
1254 | response, be32_to_cpu(record->addr), |
1255 | record->data, be16_to_cpu(record->len)); | |
1da177e4 LT |
1256 | break; |
1257 | } | |
2971c579 | 1258 | record = ihex_next_binrec(record); |
1da177e4 | 1259 | } |
2971c579 | 1260 | release_firmware(fw); |
1da177e4 LT |
1261 | /* bring device out of reset. Renumeration will occur in a |
1262 | moment and the new device will bind to the real driver */ | |
1263 | response = ezusb_set_reset(serial, 0); | |
1264 | ||
1265 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1266 | return 1; |
1da177e4 LT |
1267 | } |
1268 | ||
1269 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1270 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1271 | int endpoint) | |
1272 | { | |
1273 | struct usb_host_interface *iface_desc; | |
1274 | struct usb_endpoint_descriptor *ep; | |
1275 | int i; | |
1276 | ||
1277 | iface_desc = serial->interface->cur_altsetting; | |
1278 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1279 | ep = &iface_desc->endpoint[i].desc; | |
1280 | if (ep->bEndpointAddress == endpoint) | |
1281 | return ep; | |
1282 | } | |
1283 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1284 | "endpoint %x\n", endpoint); | |
1285 | return NULL; | |
1286 | } | |
1287 | ||
deb91685 | 1288 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1289 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1290 | void (*callback)(struct urb *)) |
1da177e4 LT |
1291 | { |
1292 | struct urb *urb; | |
fdcba53e RW |
1293 | struct usb_endpoint_descriptor const *ep_desc; |
1294 | char const *ep_type_name; | |
1da177e4 LT |
1295 | |
1296 | if (endpoint == -1) | |
1297 | return NULL; /* endpoint not needed */ | |
1298 | ||
deb91685 | 1299 | dbg("%s - alloc for endpoint %d.", __func__, endpoint); |
1da177e4 LT |
1300 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1301 | if (urb == NULL) { | |
deb91685 | 1302 | dbg("%s - alloc for endpoint %d failed.", __func__, endpoint); |
1da177e4 LT |
1303 | return NULL; |
1304 | } | |
1305 | ||
0ca1268e LM |
1306 | if (endpoint == 0) { |
1307 | /* control EP filled in when used */ | |
1308 | return urb; | |
1309 | } | |
1310 | ||
fdcba53e RW |
1311 | ep_desc = find_ep(serial, endpoint); |
1312 | if (!ep_desc) { | |
1313 | /* leak the urb, something's wrong and the callers don't care */ | |
1314 | return urb; | |
1315 | } | |
1316 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1317 | ep_type_name = "INT"; | |
1318 | usb_fill_int_urb(urb, serial->dev, | |
1319 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1320 | buf, len, callback, ctx, | |
1321 | ep_desc->bInterval); | |
1322 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1323 | ep_type_name = "BULK"; | |
1324 | usb_fill_bulk_urb(urb, serial->dev, | |
1325 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1326 | buf, len, callback, ctx); | |
1327 | } else { | |
1328 | dev_warn(&serial->interface->dev, | |
1329 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1330 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1331 | usb_free_urb(urb); |
1332 | return NULL; | |
1333 | } | |
1da177e4 | 1334 | |
fdcba53e RW |
1335 | dbg("%s - using urb %p for %s endpoint %x", |
1336 | __func__, urb, ep_type_name, endpoint); | |
1da177e4 LT |
1337 | return urb; |
1338 | } | |
1339 | ||
1340 | static struct callbacks { | |
7d12e780 DH |
1341 | void (*instat_callback)(struct urb *); |
1342 | void (*glocont_callback)(struct urb *); | |
1343 | void (*indat_callback)(struct urb *); | |
1344 | void (*outdat_callback)(struct urb *); | |
1345 | void (*inack_callback)(struct urb *); | |
1346 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1347 | } keyspan_callbacks[] = { |
1348 | { | |
1349 | /* msg_usa26 callbacks */ | |
1350 | .instat_callback = usa26_instat_callback, | |
1351 | .glocont_callback = usa26_glocont_callback, | |
1352 | .indat_callback = usa26_indat_callback, | |
1353 | .outdat_callback = usa2x_outdat_callback, | |
1354 | .inack_callback = usa26_inack_callback, | |
1355 | .outcont_callback = usa26_outcont_callback, | |
1356 | }, { | |
1357 | /* msg_usa28 callbacks */ | |
1358 | .instat_callback = usa28_instat_callback, | |
1359 | .glocont_callback = usa28_glocont_callback, | |
1360 | .indat_callback = usa28_indat_callback, | |
1361 | .outdat_callback = usa2x_outdat_callback, | |
1362 | .inack_callback = usa28_inack_callback, | |
1363 | .outcont_callback = usa28_outcont_callback, | |
1364 | }, { | |
1365 | /* msg_usa49 callbacks */ | |
1366 | .instat_callback = usa49_instat_callback, | |
1367 | .glocont_callback = usa49_glocont_callback, | |
1368 | .indat_callback = usa49_indat_callback, | |
1369 | .outdat_callback = usa2x_outdat_callback, | |
1370 | .inack_callback = usa49_inack_callback, | |
1371 | .outcont_callback = usa49_outcont_callback, | |
1372 | }, { | |
1373 | /* msg_usa90 callbacks */ | |
1374 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1375 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1376 | .indat_callback = usa90_indat_callback, |
1377 | .outdat_callback = usa2x_outdat_callback, | |
1378 | .inack_callback = usa28_inack_callback, | |
1379 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1380 | }, { |
1381 | /* msg_usa67 callbacks */ | |
1382 | .instat_callback = usa67_instat_callback, | |
1383 | .glocont_callback = usa67_glocont_callback, | |
1384 | .indat_callback = usa26_indat_callback, | |
1385 | .outdat_callback = usa2x_outdat_callback, | |
1386 | .inack_callback = usa26_inack_callback, | |
1387 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1388 | } |
1389 | }; | |
1390 | ||
1391 | /* Generic setup urbs function that uses | |
1392 | data in device_details */ | |
1393 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1394 | { | |
1395 | int i, j; | |
1396 | struct keyspan_serial_private *s_priv; | |
1397 | const struct keyspan_device_details *d_details; | |
1398 | struct usb_serial_port *port; | |
1399 | struct keyspan_port_private *p_priv; | |
1400 | struct callbacks *cback; | |
1401 | int endp; | |
1402 | ||
1da177e4 LT |
1403 | s_priv = usb_get_serial_data(serial); |
1404 | d_details = s_priv->device_details; | |
1405 | ||
deb91685 | 1406 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1407 | cback = &keyspan_callbacks[d_details->msg_format]; |
1408 | ||
deb91685 AC |
1409 | /* Allocate and set up urbs for each one that is in use, |
1410 | starting with instat endpoints */ | |
1da177e4 LT |
1411 | s_priv->instat_urb = keyspan_setup_urb |
1412 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1413 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1414 | cback->instat_callback); | |
1415 | ||
0ca1268e LM |
1416 | s_priv->indat_urb = keyspan_setup_urb |
1417 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1418 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1419 | usa49wg_indat_callback); | |
1420 | ||
1da177e4 LT |
1421 | s_priv->glocont_urb = keyspan_setup_urb |
1422 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1423 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1424 | cback->glocont_callback); | |
1425 | ||
deb91685 AC |
1426 | /* Setup endpoints for each port specific thing */ |
1427 | for (i = 0; i < d_details->num_ports; i++) { | |
1da177e4 LT |
1428 | port = serial->port[i]; |
1429 | p_priv = usb_get_serial_port_data(port); | |
1430 | ||
1431 | /* Do indat endpoints first, once for each flip */ | |
1432 | endp = d_details->indat_endpoints[i]; | |
1433 | for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { | |
1434 | p_priv->in_urbs[j] = keyspan_setup_urb | |
1435 | (serial, endp, USB_DIR_IN, port, | |
1436 | p_priv->in_buffer[j], 64, | |
1437 | cback->indat_callback); | |
1438 | } | |
1439 | for (; j < 2; ++j) | |
1440 | p_priv->in_urbs[j] = NULL; | |
1441 | ||
1442 | /* outdat endpoints also have flip */ | |
1443 | endp = d_details->outdat_endpoints[i]; | |
1444 | for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { | |
1445 | p_priv->out_urbs[j] = keyspan_setup_urb | |
1446 | (serial, endp, USB_DIR_OUT, port, | |
1447 | p_priv->out_buffer[j], 64, | |
1448 | cback->outdat_callback); | |
1449 | } | |
1450 | for (; j < 2; ++j) | |
1451 | p_priv->out_urbs[j] = NULL; | |
1452 | ||
1453 | /* inack endpoint */ | |
1454 | p_priv->inack_urb = keyspan_setup_urb | |
1455 | (serial, d_details->inack_endpoints[i], USB_DIR_IN, | |
1456 | port, p_priv->inack_buffer, 1, cback->inack_callback); | |
1457 | ||
1458 | /* outcont endpoint */ | |
1459 | p_priv->outcont_urb = keyspan_setup_urb | |
1460 | (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, | |
1461 | port, p_priv->outcont_buffer, 64, | |
1462 | cback->outcont_callback); | |
deb91685 | 1463 | } |
1da177e4 LT |
1464 | } |
1465 | ||
1466 | /* usa19 function doesn't require prescaler */ | |
1467 | static int keyspan_usa19_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1468 | u8 *rate_low, u8 *prescaler, int portnum) | |
1469 | { | |
1470 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1471 | div, /* divisor */ |
1da177e4 | 1472 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1473 | |
deb91685 AC |
1474 | dbg("%s - %d.", __func__, baud_rate); |
1475 | ||
1476 | /* prevent divide by zero... */ | |
1477 | b16 = baud_rate * 16L; | |
1478 | if (b16 == 0) | |
1479 | return KEYSPAN_INVALID_BAUD_RATE; | |
1480 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1481 | as we run out of divisor resolution. */ | |
1482 | if (baud_rate > 57600) | |
1483 | return KEYSPAN_INVALID_BAUD_RATE; | |
1484 | ||
1485 | /* calculate the divisor and the counter (its inverse) */ | |
1486 | div = baudclk / b16; | |
1487 | if (div == 0) | |
1488 | return KEYSPAN_INVALID_BAUD_RATE; | |
1489 | else | |
1da177e4 | 1490 | cnt = 0 - div; |
1da177e4 | 1491 | |
deb91685 AC |
1492 | if (div > 0xffff) |
1493 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1494 | |
deb91685 AC |
1495 | /* return the counter values if non-null */ |
1496 | if (rate_low) | |
1da177e4 | 1497 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1498 | if (rate_hi) |
1da177e4 | 1499 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 AC |
1500 | if (rate_low && rate_hi) |
1501 | dbg("%s - %d %02x %02x.", | |
1502 | __func__, baud_rate, *rate_hi, *rate_low); | |
1503 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1504 | } |
1505 | ||
1506 | /* usa19hs function doesn't require prescaler */ | |
1507 | static int keyspan_usa19hs_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1508 | u8 *rate_low, u8 *prescaler, int portnum) | |
1509 | { | |
1510 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1511 | div; /* divisor */ |
1da177e4 | 1512 | |
deb91685 | 1513 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 | 1514 | |
deb91685 AC |
1515 | /* prevent divide by zero... */ |
1516 | b16 = baud_rate * 16L; | |
1517 | if (b16 == 0) | |
1518 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1519 | |
deb91685 AC |
1520 | /* calculate the divisor */ |
1521 | div = baudclk / b16; | |
1522 | if (div == 0) | |
1523 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1524 | |
deb91685 AC |
1525 | if (div > 0xffff) |
1526 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1527 | |
deb91685 AC |
1528 | /* return the counter values if non-null */ |
1529 | if (rate_low) | |
1da177e4 | 1530 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1531 | |
1532 | if (rate_hi) | |
1da177e4 | 1533 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1534 | |
1535 | if (rate_low && rate_hi) | |
1536 | dbg("%s - %d %02x %02x.", | |
1537 | __func__, baud_rate, *rate_hi, *rate_low); | |
1538 | ||
1539 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1540 | } |
1541 | ||
1542 | static int keyspan_usa19w_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1543 | u8 *rate_low, u8 *prescaler, int portnum) | |
1544 | { | |
1545 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1546 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1547 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1548 | res, /* resulting baud rate using 13/8 prescaler */ |
1549 | diff, /* error using 13/8 prescaler */ | |
1550 | smallest_diff; | |
1551 | u8 best_prescaler; | |
1552 | int i; | |
1553 | ||
deb91685 | 1554 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 | 1555 | |
deb91685 AC |
1556 | /* prevent divide by zero */ |
1557 | b16 = baud_rate * 16L; | |
1558 | if (b16 == 0) | |
1559 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1560 | |
deb91685 AC |
1561 | /* Calculate prescaler by trying them all and looking |
1562 | for best fit */ | |
1563 | ||
1564 | /* start with largest possible difference */ | |
1da177e4 LT |
1565 | smallest_diff = 0xffffffff; |
1566 | ||
1567 | /* 0 is an invalid prescaler, used as a flag */ | |
1568 | best_prescaler = 0; | |
1569 | ||
deb91685 | 1570 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1571 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1572 | |
1573 | div = clk / b16; | |
1574 | if (div == 0) | |
1da177e4 | 1575 | continue; |
1da177e4 LT |
1576 | |
1577 | res = clk / div; | |
deb91685 | 1578 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1579 | |
deb91685 | 1580 | if (diff < smallest_diff) { |
1da177e4 LT |
1581 | best_prescaler = i; |
1582 | smallest_diff = diff; | |
1583 | } | |
1584 | } | |
1585 | ||
deb91685 AC |
1586 | if (best_prescaler == 0) |
1587 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1588 | |
1589 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1590 | div = clk / b16; | |
1591 | ||
deb91685 AC |
1592 | /* return the divisor and prescaler if non-null */ |
1593 | if (rate_low) | |
1da177e4 | 1594 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1595 | if (rate_hi) |
1da177e4 | 1596 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1597 | if (prescaler) { |
1598 | *prescaler = best_prescaler; | |
441b62c1 | 1599 | /* dbg("%s - %d %d", __func__, *prescaler, div); */ |
1da177e4 | 1600 | } |
deb91685 | 1601 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1602 | } |
1603 | ||
1604 | /* USA-28 supports different maximum baud rates on each port */ | |
1605 | static int keyspan_usa28_calc_baud(u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1606 | u8 *rate_low, u8 *prescaler, int portnum) | |
1607 | { | |
1608 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1609 | div, /* divisor */ |
1da177e4 LT |
1610 | cnt; /* inverse of divisor (programmed into 8051) */ |
1611 | ||
deb91685 | 1612 | dbg("%s - %d.", __func__, baud_rate); |
1da177e4 LT |
1613 | |
1614 | /* prevent divide by zero */ | |
deb91685 AC |
1615 | b16 = baud_rate * 16L; |
1616 | if (b16 == 0) | |
1617 | return KEYSPAN_INVALID_BAUD_RATE; | |
1618 | ||
1619 | /* calculate the divisor and the counter (its inverse) */ | |
1620 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1621 | if (div == 0) | |
1622 | return KEYSPAN_INVALID_BAUD_RATE; | |
1623 | else | |
1da177e4 | 1624 | cnt = 0 - div; |
1da177e4 | 1625 | |
deb91685 AC |
1626 | /* check for out of range, based on portnum, |
1627 | and return result */ | |
1628 | if (portnum == 0) { | |
1629 | if (div > 0xffff) | |
1630 | return KEYSPAN_INVALID_BAUD_RATE; | |
1631 | } else { | |
1632 | if (portnum == 1) { | |
1633 | if (div > 0xff) | |
1634 | return KEYSPAN_INVALID_BAUD_RATE; | |
1635 | } else | |
1636 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1637 | } |
1638 | ||
1639 | /* return the counter values if not NULL | |
1640 | (port 1 will ignore retHi) */ | |
deb91685 | 1641 | if (rate_low) |
1da177e4 | 1642 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1643 | if (rate_hi) |
1da177e4 | 1644 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 AC |
1645 | dbg("%s - %d OK.", __func__, baud_rate); |
1646 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1647 | } |
1648 | ||
1649 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1650 | struct usb_serial_port *port, | |
1651 | int reset_port) | |
1652 | { | |
deb91685 | 1653 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1654 | struct keyspan_serial_private *s_priv; |
1655 | struct keyspan_port_private *p_priv; | |
1656 | const struct keyspan_device_details *d_details; | |
1657 | int outcont_urb; | |
1658 | struct urb *this_urb; | |
1659 | int device_port, err; | |
1660 | ||
deb91685 | 1661 | dbg("%s reset=%d", __func__, reset_port); |
1da177e4 LT |
1662 | |
1663 | s_priv = usb_get_serial_data(serial); | |
1664 | p_priv = usb_get_serial_port_data(port); | |
1665 | d_details = s_priv->device_details; | |
1666 | device_port = port->number - port->serial->minor; | |
1667 | ||
1668 | outcont_urb = d_details->outcont_endpoints[port->number]; | |
1669 | this_urb = p_priv->outcont_urb; | |
1670 | ||
441b62c1 | 1671 | dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1672 | |
1673 | /* Make sure we have an urb then send the message */ | |
1674 | if (this_urb == NULL) { | |
441b62c1 | 1675 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
1676 | return -1; |
1677 | } | |
1678 | ||
1679 | /* Save reset port val for resend. | |
0ca1268e LM |
1680 | Don't overwrite resend for open/close condition. */ |
1681 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1682 | p_priv->resend_cont = reset_port + 1; |
1683 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 1684 | /* dbg("%s - already writing", __func__); */ |
1da177e4 | 1685 | mdelay(5); |
deb91685 | 1686 | return -1; |
1da177e4 LT |
1687 | } |
1688 | ||
deb91685 AC |
1689 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1690 | ||
1691 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1692 | if (p_priv->old_baud != p_priv->baud) { |
1693 | p_priv->old_baud = p_priv->baud; | |
1694 | msg.setClocking = 0xff; | |
1695 | if (d_details->calculate_baud_rate | |
1696 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
1697 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
1698 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
1699 | __func__, p_priv->baud); | |
1da177e4 LT |
1700 | msg.baudLo = 0; |
1701 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1702 | msg.prescaler = 10; | |
1703 | } | |
1704 | msg.setPrescaler = 0xff; | |
1705 | } | |
1706 | ||
2b982ab1 | 1707 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1708 | switch (p_priv->cflag & CSIZE) { |
1709 | case CS5: | |
1710 | msg.lcr |= USA_DATABITS_5; | |
1711 | break; | |
1712 | case CS6: | |
1713 | msg.lcr |= USA_DATABITS_6; | |
1714 | break; | |
1715 | case CS7: | |
1716 | msg.lcr |= USA_DATABITS_7; | |
1717 | break; | |
1718 | case CS8: | |
1719 | msg.lcr |= USA_DATABITS_8; | |
1720 | break; | |
1721 | } | |
1722 | if (p_priv->cflag & PARENB) { | |
1723 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1724 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1725 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1726 | } |
1727 | msg.setLcr = 0xff; | |
1728 | ||
1729 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1730 | msg.xonFlowControl = 0; | |
1731 | msg.setFlowControl = 0xff; | |
1732 | msg.forwardingLength = 16; | |
1733 | msg.xonChar = 17; | |
1734 | msg.xoffChar = 19; | |
1735 | ||
1736 | /* Opening port */ | |
1737 | if (reset_port == 1) { | |
1738 | msg._txOn = 1; | |
1739 | msg._txOff = 0; | |
1740 | msg.txFlush = 0; | |
1741 | msg.txBreak = 0; | |
1742 | msg.rxOn = 1; | |
1743 | msg.rxOff = 0; | |
1744 | msg.rxFlush = 1; | |
1745 | msg.rxForward = 0; | |
1746 | msg.returnStatus = 0; | |
1747 | msg.resetDataToggle = 0xff; | |
1748 | } | |
1749 | ||
1750 | /* Closing port */ | |
1751 | else if (reset_port == 2) { | |
1752 | msg._txOn = 0; | |
1753 | msg._txOff = 1; | |
1754 | msg.txFlush = 0; | |
1755 | msg.txBreak = 0; | |
1756 | msg.rxOn = 0; | |
1757 | msg.rxOff = 1; | |
1758 | msg.rxFlush = 1; | |
1759 | msg.rxForward = 0; | |
1760 | msg.returnStatus = 0; | |
1761 | msg.resetDataToggle = 0; | |
1762 | } | |
1763 | ||
1764 | /* Sending intermediate configs */ | |
1765 | else { | |
deb91685 | 1766 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1767 | msg._txOff = 0; |
1768 | msg.txFlush = 0; | |
1769 | msg.txBreak = (p_priv->break_on); | |
1770 | msg.rxOn = 0; | |
1771 | msg.rxOff = 0; | |
1772 | msg.rxFlush = 0; | |
1773 | msg.rxForward = 0; | |
1774 | msg.returnStatus = 0; | |
1775 | msg.resetDataToggle = 0x0; | |
1776 | } | |
1777 | ||
deb91685 | 1778 | /* Do handshaking outputs */ |
1da177e4 LT |
1779 | msg.setTxTriState_setRts = 0xff; |
1780 | msg.txTriState_rts = p_priv->rts_state; | |
1781 | ||
1782 | msg.setHskoa_setDtr = 0xff; | |
1783 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1784 | |
1da177e4 | 1785 | p_priv->resend_cont = 0; |
deb91685 AC |
1786 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1787 | ||
1da177e4 LT |
1788 | /* send the data out the device on control endpoint */ |
1789 | this_urb->transfer_buffer_length = sizeof(msg); | |
1790 | ||
deb91685 AC |
1791 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1792 | if (err != 0) | |
441b62c1 | 1793 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
1794 | #if 0 |
1795 | else { | |
441b62c1 | 1796 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__ |
1da177e4 LT |
1797 | outcont_urb, this_urb->transfer_buffer_length, |
1798 | usb_pipeendpoint(this_urb->pipe)); | |
1799 | } | |
1800 | #endif | |
1801 | ||
a5b6f60c | 1802 | return 0; |
1da177e4 LT |
1803 | } |
1804 | ||
1805 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1806 | struct usb_serial_port *port, | |
1807 | int reset_port) | |
1808 | { | |
deb91685 | 1809 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1810 | struct keyspan_serial_private *s_priv; |
1811 | struct keyspan_port_private *p_priv; | |
1812 | const struct keyspan_device_details *d_details; | |
1813 | struct urb *this_urb; | |
1814 | int device_port, err; | |
1815 | ||
1da177e4 LT |
1816 | s_priv = usb_get_serial_data(serial); |
1817 | p_priv = usb_get_serial_port_data(port); | |
1818 | d_details = s_priv->device_details; | |
1819 | device_port = port->number - port->serial->minor; | |
1820 | ||
1821 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1822 | this_urb = p_priv->outcont_urb; |
1823 | if (this_urb == NULL) { | |
441b62c1 | 1824 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
1825 | return -1; |
1826 | } | |
1827 | ||
1828 | /* Save reset port val for resend. | |
0ca1268e LM |
1829 | Don't overwrite resend for open/close condition. */ |
1830 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1831 | p_priv->resend_cont = reset_port + 1; |
1832 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 1833 | dbg("%s already writing", __func__); |
1da177e4 | 1834 | mdelay(5); |
deb91685 | 1835 | return -1; |
1da177e4 LT |
1836 | } |
1837 | ||
deb91685 | 1838 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
1839 | |
1840 | msg.setBaudRate = 1; | |
1841 | if (d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, | |
deb91685 AC |
1842 | &msg.baudHi, &msg.baudLo, NULL, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
1843 | dbg("%s - Invalid baud rate requested %d.", | |
1844 | __func__, p_priv->baud); | |
1da177e4 LT |
1845 | msg.baudLo = 0xff; |
1846 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
1847 | } | |
1848 | ||
1849 | /* If parity is enabled, we must calculate it ourselves. */ | |
1850 | msg.parity = 0; /* XXX for now */ | |
1851 | ||
1852 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1853 | msg.xonFlowControl = 0; | |
1854 | ||
deb91685 | 1855 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
1856 | msg.rts = p_priv->rts_state; |
1857 | msg.dtr = p_priv->dtr_state; | |
1858 | ||
1859 | msg.forwardingLength = 16; | |
1860 | msg.forwardMs = 10; | |
1861 | msg.breakThreshold = 45; | |
1862 | msg.xonChar = 17; | |
1863 | msg.xoffChar = 19; | |
1864 | ||
1865 | /*msg.returnStatus = 1; | |
1866 | msg.resetDataToggle = 0xff;*/ | |
1867 | /* Opening port */ | |
1868 | if (reset_port == 1) { | |
1869 | msg._txOn = 1; | |
1870 | msg._txOff = 0; | |
1871 | msg.txFlush = 0; | |
1872 | msg.txForceXoff = 0; | |
1873 | msg.txBreak = 0; | |
1874 | msg.rxOn = 1; | |
1875 | msg.rxOff = 0; | |
1876 | msg.rxFlush = 1; | |
1877 | msg.rxForward = 0; | |
1878 | msg.returnStatus = 0; | |
1879 | msg.resetDataToggle = 0xff; | |
1880 | } | |
1881 | /* Closing port */ | |
1882 | else if (reset_port == 2) { | |
1883 | msg._txOn = 0; | |
1884 | msg._txOff = 1; | |
1885 | msg.txFlush = 0; | |
1886 | msg.txForceXoff = 0; | |
1887 | msg.txBreak = 0; | |
1888 | msg.rxOn = 0; | |
1889 | msg.rxOff = 1; | |
1890 | msg.rxFlush = 1; | |
1891 | msg.rxForward = 0; | |
1892 | msg.returnStatus = 0; | |
1893 | msg.resetDataToggle = 0; | |
1894 | } | |
1895 | /* Sending intermediate configs */ | |
1896 | else { | |
deb91685 | 1897 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1898 | msg._txOff = 0; |
1899 | msg.txFlush = 0; | |
1900 | msg.txForceXoff = 0; | |
1901 | msg.txBreak = (p_priv->break_on); | |
1902 | msg.rxOn = 0; | |
1903 | msg.rxOff = 0; | |
1904 | msg.rxFlush = 0; | |
1905 | msg.rxForward = 0; | |
1906 | msg.returnStatus = 0; | |
1907 | msg.resetDataToggle = 0x0; | |
1908 | } | |
1909 | ||
1910 | p_priv->resend_cont = 0; | |
deb91685 | 1911 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
1912 | |
1913 | /* send the data out the device on control endpoint */ | |
1914 | this_urb->transfer_buffer_length = sizeof(msg); | |
1915 | ||
deb91685 AC |
1916 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1917 | if (err != 0) | |
441b62c1 | 1918 | dbg("%s - usb_submit_urb(setup) failed", __func__); |
1da177e4 LT |
1919 | #if 0 |
1920 | else { | |
441b62c1 | 1921 | dbg("%s - usb_submit_urb(setup) OK %d bytes", __func__, |
1da177e4 LT |
1922 | this_urb->transfer_buffer_length); |
1923 | } | |
1924 | #endif | |
1925 | ||
a5b6f60c | 1926 | return 0; |
1da177e4 LT |
1927 | } |
1928 | ||
1929 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
1930 | struct usb_serial_port *port, | |
1931 | int reset_port) | |
1932 | { | |
0ca1268e LM |
1933 | struct keyspan_usa49_portControlMessage msg; |
1934 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
1935 | struct keyspan_serial_private *s_priv; |
1936 | struct keyspan_port_private *p_priv; | |
1937 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1938 | struct urb *this_urb; |
1939 | int err, device_port; | |
1940 | ||
1da177e4 LT |
1941 | s_priv = usb_get_serial_data(serial); |
1942 | p_priv = usb_get_serial_port_data(port); | |
1943 | d_details = s_priv->device_details; | |
1944 | ||
1da177e4 LT |
1945 | this_urb = s_priv->glocont_urb; |
1946 | ||
0ca1268e | 1947 | /* Work out which port within the device is being setup */ |
1da177e4 LT |
1948 | device_port = port->number - port->serial->minor; |
1949 | ||
d866150a | 1950 | /* Make sure we have an urb then send the message */ |
1da177e4 | 1951 | if (this_urb == NULL) { |
441b62c1 | 1952 | dbg("%s - oops no urb for port %d.", __func__, port->number); |
1da177e4 LT |
1953 | return -1; |
1954 | } | |
1955 | ||
d866150a HS |
1956 | dbg("%s - endpoint %d port %d (%d)", |
1957 | __func__, usb_pipeendpoint(this_urb->pipe), | |
1958 | port->number, device_port); | |
1959 | ||
1da177e4 | 1960 | /* Save reset port val for resend. |
0ca1268e LM |
1961 | Don't overwrite resend for open/close condition. */ |
1962 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 1963 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 1964 | |
1da177e4 | 1965 | if (this_urb->status == -EINPROGRESS) { |
deb91685 | 1966 | /* dbg("%s - already writing", __func__); */ |
1da177e4 | 1967 | mdelay(5); |
deb91685 | 1968 | return -1; |
1da177e4 LT |
1969 | } |
1970 | ||
deb91685 | 1971 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 LT |
1972 | |
1973 | /*msg.portNumber = port->number;*/ | |
1974 | msg.portNumber = device_port; | |
deb91685 AC |
1975 | |
1976 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1977 | if (p_priv->old_baud != p_priv->baud) { |
1978 | p_priv->old_baud = p_priv->baud; | |
1979 | msg.setClocking = 0xff; | |
1980 | if (d_details->calculate_baud_rate | |
1981 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
1982 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
1983 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
1984 | __func__, p_priv->baud); | |
1da177e4 LT |
1985 | msg.baudLo = 0; |
1986 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1987 | msg.prescaler = 10; | |
1988 | } | |
deb91685 | 1989 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
1990 | } |
1991 | ||
2b982ab1 | 1992 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1993 | switch (p_priv->cflag & CSIZE) { |
1994 | case CS5: | |
1995 | msg.lcr |= USA_DATABITS_5; | |
1996 | break; | |
1997 | case CS6: | |
1998 | msg.lcr |= USA_DATABITS_6; | |
1999 | break; | |
2000 | case CS7: | |
2001 | msg.lcr |= USA_DATABITS_7; | |
2002 | break; | |
2003 | case CS8: | |
2004 | msg.lcr |= USA_DATABITS_8; | |
2005 | break; | |
2006 | } | |
2007 | if (p_priv->cflag & PARENB) { | |
2008 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2009 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2010 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2011 | } |
2012 | msg.setLcr = 0xff; | |
2013 | ||
2014 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2015 | msg.xonFlowControl = 0; | |
2016 | msg.setFlowControl = 0xff; | |
deb91685 | 2017 | |
1da177e4 LT |
2018 | msg.forwardingLength = 16; |
2019 | msg.xonChar = 17; | |
2020 | msg.xoffChar = 19; | |
2021 | ||
deb91685 | 2022 | /* Opening port */ |
1da177e4 LT |
2023 | if (reset_port == 1) { |
2024 | msg._txOn = 1; | |
2025 | msg._txOff = 0; | |
2026 | msg.txFlush = 0; | |
2027 | msg.txBreak = 0; | |
2028 | msg.rxOn = 1; | |
2029 | msg.rxOff = 0; | |
2030 | msg.rxFlush = 1; | |
2031 | msg.rxForward = 0; | |
2032 | msg.returnStatus = 0; | |
2033 | msg.resetDataToggle = 0xff; | |
2034 | msg.enablePort = 1; | |
2035 | msg.disablePort = 0; | |
2036 | } | |
2037 | /* Closing port */ | |
2038 | else if (reset_port == 2) { | |
2039 | msg._txOn = 0; | |
2040 | msg._txOff = 1; | |
2041 | msg.txFlush = 0; | |
2042 | msg.txBreak = 0; | |
2043 | msg.rxOn = 0; | |
2044 | msg.rxOff = 1; | |
2045 | msg.rxFlush = 1; | |
2046 | msg.rxForward = 0; | |
2047 | msg.returnStatus = 0; | |
2048 | msg.resetDataToggle = 0; | |
2049 | msg.enablePort = 0; | |
2050 | msg.disablePort = 1; | |
2051 | } | |
2052 | /* Sending intermediate configs */ | |
2053 | else { | |
deb91685 | 2054 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2055 | msg._txOff = 0; |
2056 | msg.txFlush = 0; | |
2057 | msg.txBreak = (p_priv->break_on); | |
2058 | msg.rxOn = 0; | |
2059 | msg.rxOff = 0; | |
2060 | msg.rxFlush = 0; | |
2061 | msg.rxForward = 0; | |
2062 | msg.returnStatus = 0; | |
2063 | msg.resetDataToggle = 0x0; | |
2064 | msg.enablePort = 0; | |
2065 | msg.disablePort = 0; | |
2066 | } | |
2067 | ||
deb91685 | 2068 | /* Do handshaking outputs */ |
1da177e4 LT |
2069 | msg.setRts = 0xff; |
2070 | msg.rts = p_priv->rts_state; | |
2071 | ||
2072 | msg.setDtr = 0xff; | |
2073 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2074 | |
1da177e4 | 2075 | p_priv->resend_cont = 0; |
0ca1268e | 2076 | |
deb91685 AC |
2077 | /* if the device is a 49wg, we send control message on usb |
2078 | control EP 0 */ | |
0ca1268e LM |
2079 | |
2080 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
2081 | dr = (void *)(s_priv->ctrl_buf); | |
2082 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
2083 | dr->bRequest = 0xB0; /* 49wg control message */; | |
2084 | dr->wValue = 0; | |
2085 | dr->wIndex = 0; | |
2086 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2087 | ||
deb91685 | 2088 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 2089 | |
deb91685 AC |
2090 | usb_fill_control_urb(this_urb, serial->dev, |
2091 | usb_sndctrlpipe(serial->dev, 0), | |
2092 | (unsigned char *)dr, s_priv->glocont_buf, | |
2093 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
2094 | |
2095 | } else { | |
2096 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 2097 | |
0ca1268e LM |
2098 | /* send the data out the device on control endpoint */ |
2099 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 2100 | } |
deb91685 AC |
2101 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2102 | if (err != 0) | |
441b62c1 | 2103 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
1da177e4 LT |
2104 | #if 0 |
2105 | else { | |
441b62c1 | 2106 | dbg("%s - usb_submit_urb(%d) OK %d bytes (end %d)", __func__, |
0ca1268e LM |
2107 | outcont_urb, this_urb->transfer_buffer_length, |
2108 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
2109 | } |
2110 | #endif | |
2111 | ||
a5b6f60c | 2112 | return 0; |
1da177e4 LT |
2113 | } |
2114 | ||
2115 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2116 | struct usb_serial_port *port, | |
2117 | int reset_port) | |
2118 | { | |
deb91685 | 2119 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
2120 | struct keyspan_serial_private *s_priv; |
2121 | struct keyspan_port_private *p_priv; | |
2122 | const struct keyspan_device_details *d_details; | |
2123 | struct urb *this_urb; | |
2124 | int err; | |
2125 | u8 prescaler; | |
2126 | ||
1da177e4 LT |
2127 | s_priv = usb_get_serial_data(serial); |
2128 | p_priv = usb_get_serial_port_data(port); | |
2129 | d_details = s_priv->device_details; | |
2130 | ||
2131 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2132 | this_urb = p_priv->outcont_urb; |
2133 | if (this_urb == NULL) { | |
441b62c1 | 2134 | dbg("%s - oops no urb.", __func__); |
1da177e4 LT |
2135 | return -1; |
2136 | } | |
2137 | ||
2138 | /* Save reset port val for resend. | |
2139 | Don't overwrite resend for open/close condition. */ | |
2140 | if ((reset_port + 1) > p_priv->resend_cont) | |
2141 | p_priv->resend_cont = reset_port + 1; | |
2142 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 2143 | dbg("%s already writing", __func__); |
1da177e4 | 2144 | mdelay(5); |
deb91685 | 2145 | return -1; |
1da177e4 LT |
2146 | } |
2147 | ||
deb91685 | 2148 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2149 | |
deb91685 | 2150 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2151 | if (p_priv->old_baud != p_priv->baud) { |
2152 | p_priv->old_baud = p_priv->baud; | |
2153 | msg.setClocking = 0x01; | |
2154 | if (d_details->calculate_baud_rate | |
2155 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
2156 | &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { |
2157 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
2158 | __func__, p_priv->baud); | |
1da177e4 | 2159 | p_priv->baud = 9600; |
deb91685 | 2160 | d_details->calculate_baud_rate(p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2161 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2162 | } | |
2163 | msg.setRxMode = 1; | |
2164 | msg.setTxMode = 1; | |
2165 | } | |
2166 | ||
2167 | /* modes must always be correctly specified */ | |
deb91685 | 2168 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2169 | msg.rxMode = RXMODE_DMA; |
2170 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2171 | } else { |
1da177e4 LT |
2172 | msg.rxMode = RXMODE_BYHAND; |
2173 | msg.txMode = TXMODE_BYHAND; | |
2174 | } | |
2175 | ||
2b982ab1 | 2176 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2177 | switch (p_priv->cflag & CSIZE) { |
2178 | case CS5: | |
2179 | msg.lcr |= USA_DATABITS_5; | |
2180 | break; | |
2181 | case CS6: | |
2182 | msg.lcr |= USA_DATABITS_6; | |
2183 | break; | |
2184 | case CS7: | |
2185 | msg.lcr |= USA_DATABITS_7; | |
2186 | break; | |
2187 | case CS8: | |
2188 | msg.lcr |= USA_DATABITS_8; | |
2189 | break; | |
2190 | } | |
2191 | if (p_priv->cflag & PARENB) { | |
2192 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2193 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2194 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2195 | } |
2196 | if (p_priv->old_cflag != p_priv->cflag) { | |
2197 | p_priv->old_cflag = p_priv->cflag; | |
2198 | msg.setLcr = 0x01; | |
2199 | } | |
2200 | ||
2201 | if (p_priv->flow_control == flow_cts) | |
2202 | msg.txFlowControl = TXFLOW_CTS; | |
2203 | msg.setTxFlowControl = 0x01; | |
2204 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2205 | |
1da177e4 | 2206 | msg.rxForwardingLength = 16; |
deb91685 | 2207 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2208 | msg.txAckSetting = 0; |
2209 | msg.xonChar = 17; | |
2210 | msg.xoffChar = 19; | |
2211 | ||
deb91685 | 2212 | /* Opening port */ |
1da177e4 LT |
2213 | if (reset_port == 1) { |
2214 | msg.portEnabled = 1; | |
2215 | msg.rxFlush = 1; | |
2216 | msg.txBreak = (p_priv->break_on); | |
2217 | } | |
2218 | /* Closing port */ | |
deb91685 | 2219 | else if (reset_port == 2) |
1da177e4 | 2220 | msg.portEnabled = 0; |
1da177e4 LT |
2221 | /* Sending intermediate configs */ |
2222 | else { | |
1f87158e | 2223 | msg.portEnabled = 1; |
1da177e4 LT |
2224 | msg.txBreak = (p_priv->break_on); |
2225 | } | |
2226 | ||
deb91685 | 2227 | /* Do handshaking outputs */ |
1da177e4 LT |
2228 | msg.setRts = 0x01; |
2229 | msg.rts = p_priv->rts_state; | |
2230 | ||
2231 | msg.setDtr = 0x01; | |
2232 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2233 | |
1da177e4 | 2234 | p_priv->resend_cont = 0; |
deb91685 AC |
2235 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2236 | ||
1da177e4 LT |
2237 | /* send the data out the device on control endpoint */ |
2238 | this_urb->transfer_buffer_length = sizeof(msg); | |
2239 | ||
deb91685 AC |
2240 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2241 | if (err != 0) | |
441b62c1 | 2242 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); |
a5b6f60c | 2243 | return 0; |
1da177e4 LT |
2244 | } |
2245 | ||
0ca1268e LM |
2246 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2247 | struct usb_serial_port *port, | |
2248 | int reset_port) | |
2249 | { | |
2250 | struct keyspan_usa67_portControlMessage msg; | |
2251 | struct keyspan_serial_private *s_priv; | |
2252 | struct keyspan_port_private *p_priv; | |
2253 | const struct keyspan_device_details *d_details; | |
2254 | struct urb *this_urb; | |
2255 | int err, device_port; | |
2256 | ||
0ca1268e LM |
2257 | s_priv = usb_get_serial_data(serial); |
2258 | p_priv = usb_get_serial_port_data(port); | |
2259 | d_details = s_priv->device_details; | |
2260 | ||
2261 | this_urb = s_priv->glocont_urb; | |
2262 | ||
2263 | /* Work out which port within the device is being setup */ | |
2264 | device_port = port->number - port->serial->minor; | |
2265 | ||
2266 | /* Make sure we have an urb then send the message */ | |
2267 | if (this_urb == NULL) { | |
441b62c1 | 2268 | dbg("%s - oops no urb for port %d.", __func__, |
0ca1268e LM |
2269 | port->number); |
2270 | return -1; | |
2271 | } | |
2272 | ||
2273 | /* Save reset port val for resend. | |
2274 | Don't overwrite resend for open/close condition. */ | |
2275 | if ((reset_port + 1) > p_priv->resend_cont) | |
2276 | p_priv->resend_cont = reset_port + 1; | |
2277 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 | 2278 | /* dbg("%s - already writing", __func__); */ |
0ca1268e | 2279 | mdelay(5); |
deb91685 | 2280 | return -1; |
0ca1268e LM |
2281 | } |
2282 | ||
2283 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2284 | ||
2285 | msg.port = device_port; | |
2286 | ||
2287 | /* Only set baud rate if it's changed */ | |
2288 | if (p_priv->old_baud != p_priv->baud) { | |
2289 | p_priv->old_baud = p_priv->baud; | |
2290 | msg.setClocking = 0xff; | |
2291 | if (d_details->calculate_baud_rate | |
2292 | (p_priv->baud, d_details->baudclk, &msg.baudHi, | |
deb91685 AC |
2293 | &msg.baudLo, &msg.prescaler, device_port) == KEYSPAN_INVALID_BAUD_RATE) { |
2294 | dbg("%s - Invalid baud rate %d requested, using 9600.", | |
2295 | __func__, p_priv->baud); | |
0ca1268e LM |
2296 | msg.baudLo = 0; |
2297 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2298 | msg.prescaler = 10; | |
2299 | } | |
2300 | msg.setPrescaler = 0xff; | |
2301 | } | |
2302 | ||
2303 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2304 | switch (p_priv->cflag & CSIZE) { | |
2305 | case CS5: | |
2306 | msg.lcr |= USA_DATABITS_5; | |
2307 | break; | |
2308 | case CS6: | |
2309 | msg.lcr |= USA_DATABITS_6; | |
2310 | break; | |
2311 | case CS7: | |
2312 | msg.lcr |= USA_DATABITS_7; | |
2313 | break; | |
2314 | case CS8: | |
2315 | msg.lcr |= USA_DATABITS_8; | |
2316 | break; | |
2317 | } | |
2318 | if (p_priv->cflag & PARENB) { | |
2319 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2320 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2321 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2322 | } |
2323 | msg.setLcr = 0xff; | |
2324 | ||
2325 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2326 | msg.xonFlowControl = 0; | |
2327 | msg.setFlowControl = 0xff; | |
2328 | msg.forwardingLength = 16; | |
2329 | msg.xonChar = 17; | |
2330 | msg.xoffChar = 19; | |
2331 | ||
2332 | if (reset_port == 1) { | |
2333 | /* Opening port */ | |
2334 | msg._txOn = 1; | |
2335 | msg._txOff = 0; | |
2336 | msg.txFlush = 0; | |
2337 | msg.txBreak = 0; | |
2338 | msg.rxOn = 1; | |
2339 | msg.rxOff = 0; | |
2340 | msg.rxFlush = 1; | |
2341 | msg.rxForward = 0; | |
2342 | msg.returnStatus = 0; | |
2343 | msg.resetDataToggle = 0xff; | |
2344 | } else if (reset_port == 2) { | |
2345 | /* Closing port */ | |
2346 | msg._txOn = 0; | |
2347 | msg._txOff = 1; | |
2348 | msg.txFlush = 0; | |
2349 | msg.txBreak = 0; | |
2350 | msg.rxOn = 0; | |
2351 | msg.rxOff = 1; | |
2352 | msg.rxFlush = 1; | |
2353 | msg.rxForward = 0; | |
2354 | msg.returnStatus = 0; | |
2355 | msg.resetDataToggle = 0; | |
2356 | } else { | |
2357 | /* Sending intermediate configs */ | |
deb91685 | 2358 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2359 | msg._txOff = 0; |
2360 | msg.txFlush = 0; | |
2361 | msg.txBreak = (p_priv->break_on); | |
2362 | msg.rxOn = 0; | |
2363 | msg.rxOff = 0; | |
2364 | msg.rxFlush = 0; | |
2365 | msg.rxForward = 0; | |
2366 | msg.returnStatus = 0; | |
2367 | msg.resetDataToggle = 0x0; | |
2368 | } | |
2369 | ||
2370 | /* Do handshaking outputs */ | |
2371 | msg.setTxTriState_setRts = 0xff; | |
2372 | msg.txTriState_rts = p_priv->rts_state; | |
2373 | ||
2374 | msg.setHskoa_setDtr = 0xff; | |
2375 | msg.hskoa_dtr = p_priv->dtr_state; | |
2376 | ||
2377 | p_priv->resend_cont = 0; | |
2378 | ||
2379 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2380 | ||
2381 | /* send the data out the device on control endpoint */ | |
2382 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2383 | |
2384 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2385 | if (err != 0) | |
441b62c1 | 2386 | dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, |
0ca1268e | 2387 | err); |
a5b6f60c | 2388 | return 0; |
0ca1268e LM |
2389 | } |
2390 | ||
1da177e4 LT |
2391 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2392 | { | |
2393 | struct usb_serial *serial = port->serial; | |
2394 | struct keyspan_serial_private *s_priv; | |
2395 | const struct keyspan_device_details *d_details; | |
2396 | ||
1da177e4 LT |
2397 | s_priv = usb_get_serial_data(serial); |
2398 | d_details = s_priv->device_details; | |
2399 | ||
2400 | switch (d_details->msg_format) { | |
2401 | case msg_usa26: | |
2402 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2403 | break; | |
2404 | case msg_usa28: | |
2405 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2406 | break; | |
2407 | case msg_usa49: | |
2408 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2409 | break; | |
2410 | case msg_usa90: | |
2411 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2412 | break; | |
0ca1268e LM |
2413 | case msg_usa67: |
2414 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2415 | break; | |
1da177e4 LT |
2416 | } |
2417 | } | |
2418 | ||
2419 | ||
2420 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2421 | and renumeration has taken place. */ | |
deb91685 | 2422 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2423 | { |
2424 | int i, err; | |
2425 | struct usb_serial_port *port; | |
2426 | struct keyspan_serial_private *s_priv; | |
2427 | struct keyspan_port_private *p_priv; | |
2428 | const struct keyspan_device_details *d_details; | |
2429 | ||
1da177e4 | 2430 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2431 | if (d_details->product_id == |
2432 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2433 | break; |
2434 | if (d_details == NULL) { | |
deb91685 AC |
2435 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2436 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1da177e4 LT |
2437 | return 1; |
2438 | } | |
2439 | ||
2440 | /* Setup private data for serial driver */ | |
80b6ca48 | 2441 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2442 | if (!s_priv) { |
deb91685 AC |
2443 | dbg("%s - kmalloc for keyspan_serial_private failed.", |
2444 | __func__); | |
1da177e4 LT |
2445 | return -ENOMEM; |
2446 | } | |
1da177e4 LT |
2447 | |
2448 | s_priv->device_details = d_details; | |
2449 | usb_set_serial_data(serial, s_priv); | |
2450 | ||
2451 | /* Now setup per port private data */ | |
2452 | for (i = 0; i < serial->num_ports; i++) { | |
2453 | port = serial->port[i]; | |
deb91685 AC |
2454 | p_priv = kzalloc(sizeof(struct keyspan_port_private), |
2455 | GFP_KERNEL); | |
1da177e4 | 2456 | if (!p_priv) { |
441b62c1 | 2457 | dbg("%s - kmalloc for keyspan_port_private (%d) failed!.", __func__, i); |
deb91685 | 2458 | return 1; |
1da177e4 | 2459 | } |
1da177e4 LT |
2460 | p_priv->device_details = d_details; |
2461 | usb_set_serial_port_data(port, p_priv); | |
2462 | } | |
2463 | ||
2464 | keyspan_setup_urbs(serial); | |
2465 | ||
0ca1268e | 2466 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2467 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2468 | if (err != 0) | |
441b62c1 | 2469 | dbg("%s - submit instat urb failed %d", __func__, |
0ca1268e LM |
2470 | err); |
2471 | } | |
2472 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2473 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2474 | if (err != 0) | |
441b62c1 | 2475 | dbg("%s - submit indat urb failed %d", __func__, |
0ca1268e | 2476 | err); |
1da177e4 | 2477 | } |
deb91685 | 2478 | |
a5b6f60c | 2479 | return 0; |
1da177e4 LT |
2480 | } |
2481 | ||
f9c99bb8 | 2482 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 LT |
2483 | { |
2484 | int i, j; | |
2485 | struct usb_serial_port *port; | |
2486 | struct keyspan_serial_private *s_priv; | |
2487 | struct keyspan_port_private *p_priv; | |
2488 | ||
1da177e4 LT |
2489 | s_priv = usb_get_serial_data(serial); |
2490 | ||
2491 | /* Stop reading/writing urbs */ | |
2492 | stop_urb(s_priv->instat_urb); | |
2493 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2494 | stop_urb(s_priv->indat_urb); |
1da177e4 LT |
2495 | for (i = 0; i < serial->num_ports; ++i) { |
2496 | port = serial->port[i]; | |
2497 | p_priv = usb_get_serial_port_data(port); | |
2498 | stop_urb(p_priv->inack_urb); | |
2499 | stop_urb(p_priv->outcont_urb); | |
2500 | for (j = 0; j < 2; j++) { | |
2501 | stop_urb(p_priv->in_urbs[j]); | |
2502 | stop_urb(p_priv->out_urbs[j]); | |
2503 | } | |
2504 | } | |
2505 | ||
2506 | /* Now free them */ | |
1cadc137 | 2507 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2508 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2509 | usb_free_urb(s_priv->glocont_urb); |
1da177e4 LT |
2510 | for (i = 0; i < serial->num_ports; ++i) { |
2511 | port = serial->port[i]; | |
2512 | p_priv = usb_get_serial_port_data(port); | |
1cadc137 MK |
2513 | usb_free_urb(p_priv->inack_urb); |
2514 | usb_free_urb(p_priv->outcont_urb); | |
1da177e4 | 2515 | for (j = 0; j < 2; j++) { |
1cadc137 MK |
2516 | usb_free_urb(p_priv->in_urbs[j]); |
2517 | usb_free_urb(p_priv->out_urbs[j]); | |
1da177e4 LT |
2518 | } |
2519 | } | |
f9c99bb8 AS |
2520 | } |
2521 | ||
2522 | static void keyspan_release(struct usb_serial *serial) | |
2523 | { | |
2524 | int i; | |
2525 | struct usb_serial_port *port; | |
2526 | struct keyspan_serial_private *s_priv; | |
2527 | ||
f9c99bb8 | 2528 | s_priv = usb_get_serial_data(serial); |
1da177e4 LT |
2529 | |
2530 | /* dbg("Freeing serial->private."); */ | |
2531 | kfree(s_priv); | |
2532 | ||
2533 | /* dbg("Freeing port->private."); */ | |
2534 | /* Now free per port private data */ | |
2535 | for (i = 0; i < serial->num_ports; i++) { | |
2536 | port = serial->port[i]; | |
2537 | kfree(usb_get_serial_port_data(port)); | |
2538 | } | |
2539 | } | |
2540 | ||
deb91685 AC |
2541 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2542 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2543 | MODULE_LICENSE("GPL"); |
2544 | ||
2971c579 DW |
2545 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2546 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2547 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2548 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2549 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2550 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2551 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2552 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2553 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2554 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2555 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2556 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); | |
2557 | ||
1da177e4 LT |
2558 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
2559 | MODULE_PARM_DESC(debug, "Debug enabled or not"); | |
2560 |