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Commit | Line | Data |
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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> | |
deb91685 | 41 | #include <linux/uaccess.h> |
1da177e4 | 42 | #include <linux/usb.h> |
a969888c | 43 | #include <linux/usb/serial.h> |
cc183e2a | 44 | #include <linux/usb/ezusb.h> |
1da177e4 LT |
45 | #include "keyspan.h" |
46 | ||
1da177e4 LT |
47 | /* |
48 | * Version Information | |
49 | */ | |
0ca1268e | 50 | #define DRIVER_VERSION "v1.1.5" |
1da177e4 LT |
51 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
52 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
53 | ||
54 | #define INSTAT_BUFLEN 32 | |
55 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 56 | #define INDAT49W_BUFLEN 512 |
1da177e4 LT |
57 | |
58 | /* Per device and per port private data */ | |
59 | struct keyspan_serial_private { | |
60 | const struct keyspan_device_details *device_details; | |
61 | ||
62 | struct urb *instat_urb; | |
63 | char instat_buf[INSTAT_BUFLEN]; | |
64 | ||
deb91685 AC |
65 | /* added to support 49wg, where data from all 4 ports comes in |
66 | on 1 EP and high-speed supported */ | |
0ca1268e LM |
67 | struct urb *indat_urb; |
68 | char indat_buf[INDAT49W_BUFLEN]; | |
69 | ||
1da177e4 LT |
70 | /* XXX this one probably will need a lock */ |
71 | struct urb *glocont_urb; | |
72 | char glocont_buf[GLOCONT_BUFLEN]; | |
deb91685 | 73 | char ctrl_buf[8]; /* for EP0 control message */ |
1da177e4 LT |
74 | }; |
75 | ||
76 | struct keyspan_port_private { | |
77 | /* Keep track of which input & output endpoints to use */ | |
78 | int in_flip; | |
79 | int out_flip; | |
80 | ||
81 | /* Keep duplicate of device details in each port | |
82 | structure as well - simplifies some of the | |
83 | callback functions etc. */ | |
84 | const struct keyspan_device_details *device_details; | |
85 | ||
86 | /* Input endpoints and buffer for this port */ | |
87 | struct urb *in_urbs[2]; | |
88 | char in_buffer[2][64]; | |
89 | /* Output endpoints and buffer for this port */ | |
90 | struct urb *out_urbs[2]; | |
91 | char out_buffer[2][64]; | |
92 | ||
93 | /* Input ack endpoint */ | |
94 | struct urb *inack_urb; | |
95 | char inack_buffer[1]; | |
96 | ||
97 | /* Output control endpoint */ | |
98 | struct urb *outcont_urb; | |
99 | char outcont_buffer[64]; | |
100 | ||
101 | /* Settings for the port */ | |
102 | int baud; | |
103 | int old_baud; | |
104 | unsigned int cflag; | |
105 | unsigned int old_cflag; | |
106 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
107 | int rts_state; /* Handshaking pins (outputs) */ | |
108 | int dtr_state; | |
109 | int cts_state; /* Handshaking pins (inputs) */ | |
110 | int dsr_state; | |
111 | int dcd_state; | |
112 | int ri_state; | |
113 | int break_on; | |
114 | ||
115 | unsigned long tx_start_time[2]; | |
116 | int resend_cont; /* need to resend control packet */ | |
117 | }; | |
118 | ||
1da177e4 | 119 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 120 | make use of one of five message formats which are referred |
deb91685 AC |
121 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
122 | within this driver. */ | |
1da177e4 LT |
123 | #include "keyspan_usa26msg.h" |
124 | #include "keyspan_usa28msg.h" | |
125 | #include "keyspan_usa49msg.h" | |
126 | #include "keyspan_usa90msg.h" | |
0ca1268e | 127 | #include "keyspan_usa67msg.h" |
deb91685 | 128 | |
1da177e4 | 129 | |
68e24113 | 130 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
1da177e4 | 131 | |
95da310e | 132 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 133 | { |
95da310e | 134 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
135 | struct keyspan_port_private *p_priv; |
136 | ||
1da177e4 LT |
137 | p_priv = usb_get_serial_port_data(port); |
138 | ||
139 | if (break_state == -1) | |
140 | p_priv->break_on = 1; | |
141 | else | |
142 | p_priv->break_on = 0; | |
143 | ||
144 | keyspan_send_setup(port, 0); | |
145 | } | |
146 | ||
147 | ||
deb91685 | 148 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 149 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
150 | { |
151 | int baud_rate, device_port; | |
152 | struct keyspan_port_private *p_priv; | |
153 | const struct keyspan_device_details *d_details; | |
154 | unsigned int cflag; | |
155 | ||
1da177e4 LT |
156 | p_priv = usb_get_serial_port_data(port); |
157 | d_details = p_priv->device_details; | |
adc8d746 | 158 | cflag = tty->termios.c_cflag; |
1da177e4 LT |
159 | device_port = port->number - port->serial->minor; |
160 | ||
161 | /* Baud rate calculation takes baud rate as an integer | |
162 | so other rates can be generated if desired. */ | |
74240b07 | 163 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 164 | /* If no match or invalid, don't change */ |
049c6b4e | 165 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
1da177e4 LT |
166 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
167 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 168 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 169 | p_priv->baud = baud_rate; |
74240b07 AC |
170 | } else |
171 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 172 | |
74240b07 | 173 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
174 | /* set CTS/RTS handshake etc. */ |
175 | p_priv->cflag = cflag; | |
2b982ab1 | 176 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 177 | |
74240b07 | 178 | /* Mark/Space not supported */ |
adc8d746 | 179 | tty->termios.c_cflag &= ~CMSPAR; |
74240b07 | 180 | |
1da177e4 LT |
181 | keyspan_send_setup(port, 0); |
182 | } | |
183 | ||
60b33c13 | 184 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 185 | { |
95da310e AC |
186 | struct usb_serial_port *port = tty->driver_data; |
187 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 188 | unsigned int value; |
deb91685 | 189 | |
1da177e4 LT |
190 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
191 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
192 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
193 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
194 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 195 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
196 | |
197 | return value; | |
198 | } | |
199 | ||
20b9d177 | 200 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
201 | unsigned int set, unsigned int clear) |
202 | { | |
95da310e AC |
203 | struct usb_serial_port *port = tty->driver_data; |
204 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 205 | |
1da177e4 LT |
206 | if (set & TIOCM_RTS) |
207 | p_priv->rts_state = 1; | |
208 | if (set & TIOCM_DTR) | |
209 | p_priv->dtr_state = 1; | |
1da177e4 LT |
210 | if (clear & TIOCM_RTS) |
211 | p_priv->rts_state = 0; | |
212 | if (clear & TIOCM_DTR) | |
213 | p_priv->dtr_state = 0; | |
214 | keyspan_send_setup(port, 0); | |
215 | return 0; | |
216 | } | |
217 | ||
95da310e AC |
218 | /* Write function is similar for the four protocols used |
219 | with only a minor change for usa90 (usa19hs) required */ | |
220 | static int keyspan_write(struct tty_struct *tty, | |
221 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
222 | { |
223 | struct keyspan_port_private *p_priv; | |
224 | const struct keyspan_device_details *d_details; | |
225 | int flip; | |
226 | int left, todo; | |
227 | struct urb *this_urb; | |
deb91685 | 228 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
229 | |
230 | p_priv = usb_get_serial_port_data(port); | |
231 | d_details = p_priv->device_details; | |
232 | ||
233 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 234 | maxDataLen = 64; |
1da177e4 LT |
235 | dataOffset = 0; |
236 | } else { | |
237 | maxDataLen = 63; | |
238 | dataOffset = 1; | |
239 | } | |
deb91685 | 240 | |
049c6b4e GKH |
241 | dev_dbg(&port->dev, "%s - for port %d (%d chars), flip=%d\n", |
242 | __func__, port->number, count, p_priv->out_flip); | |
1da177e4 LT |
243 | |
244 | for (left = count; left > 0; left -= todo) { | |
245 | todo = left; | |
246 | if (todo > maxDataLen) | |
247 | todo = maxDataLen; | |
248 | ||
249 | flip = p_priv->out_flip; | |
deb91685 | 250 | |
1da177e4 | 251 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
252 | this_urb = p_priv->out_urbs[flip]; |
253 | if (this_urb == NULL) { | |
1da177e4 | 254 | /* no bulk out, so return 0 bytes written */ |
049c6b4e | 255 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
1da177e4 LT |
256 | return count; |
257 | } | |
258 | ||
049c6b4e | 259 | dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", |
deb91685 | 260 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
261 | |
262 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
263 | if (time_before(jiffies, |
264 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 265 | break; |
1da177e4 LT |
266 | usb_unlink_urb(this_urb); |
267 | break; | |
268 | } | |
269 | ||
deb91685 AC |
270 | /* First byte in buffer is "last flag" (except for usa19hx) |
271 | - unused so for now so set to zero */ | |
1da177e4 LT |
272 | ((char *)this_urb->transfer_buffer)[0] = 0; |
273 | ||
deb91685 | 274 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
275 | buf += todo; |
276 | ||
277 | /* send the data out the bulk port */ | |
278 | this_urb->transfer_buffer_length = todo + dataOffset; | |
279 | ||
deb91685 AC |
280 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
281 | if (err != 0) | |
049c6b4e | 282 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
1da177e4 LT |
283 | p_priv->tx_start_time[flip] = jiffies; |
284 | ||
285 | /* Flip for next time if usa26 or usa28 interface | |
286 | (not used on usa49) */ | |
287 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
288 | } | |
289 | ||
290 | return count - left; | |
291 | } | |
292 | ||
7d12e780 | 293 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
294 | { |
295 | int i, err; | |
296 | int endpoint; | |
297 | struct usb_serial_port *port; | |
298 | struct tty_struct *tty; | |
299 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 300 | int status = urb->status; |
1da177e4 | 301 | |
1da177e4 LT |
302 | endpoint = usb_pipeendpoint(urb->pipe); |
303 | ||
95b93454 | 304 | if (status) { |
049c6b4e GKH |
305 | dev_dbg(&urb->dev->dev,"%s - nonzero status: %x on endpoint %d.\n", |
306 | __func__, status, endpoint); | |
1da177e4 LT |
307 | return; |
308 | } | |
309 | ||
cdc97792 | 310 | port = urb->context; |
4a90f09b | 311 | tty = tty_port_tty_get(&port->port); |
a5569a56 | 312 | if (tty && urb->actual_length) { |
1da177e4 LT |
313 | /* 0x80 bit is error flag */ |
314 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
315 | /* no errors on individual bytes, only |
316 | possible overrun err */ | |
1da177e4 | 317 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
318 | err = TTY_OVERRUN; |
319 | else | |
320 | err = 0; | |
321 | for (i = 1; i < urb->actual_length ; ++i) | |
1da177e4 | 322 | tty_insert_flip_char(tty, data[i], err); |
1da177e4 LT |
323 | } else { |
324 | /* some bytes had errors, every byte has status */ | |
049c6b4e | 325 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 LT |
326 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
327 | int stat = data[i], flag = 0; | |
328 | if (stat & RXERROR_OVERRUN) | |
329 | flag |= TTY_OVERRUN; | |
330 | if (stat & RXERROR_FRAMING) | |
331 | flag |= TTY_FRAME; | |
332 | if (stat & RXERROR_PARITY) | |
333 | flag |= TTY_PARITY; | |
334 | /* XXX should handle break (0x10) */ | |
335 | tty_insert_flip_char(tty, data[i+1], flag); | |
336 | } | |
337 | } | |
338 | tty_flip_buffer_push(tty); | |
339 | } | |
4a90f09b | 340 | tty_kref_put(tty); |
deb91685 AC |
341 | |
342 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
343 | err = usb_submit_urb(urb, GFP_ATOMIC); |
344 | if (err != 0) | |
049c6b4e | 345 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
346 | } |
347 | ||
deb91685 | 348 | /* Outdat handling is common for all devices */ |
7d12e780 | 349 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
350 | { |
351 | struct usb_serial_port *port; | |
352 | struct keyspan_port_private *p_priv; | |
353 | ||
cdc97792 | 354 | port = urb->context; |
1da177e4 | 355 | p_priv = usb_get_serial_port_data(port); |
049c6b4e | 356 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 357 | |
1f87158e | 358 | usb_serial_port_softint(port); |
1da177e4 LT |
359 | } |
360 | ||
7d12e780 | 361 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 362 | { |
1da177e4 LT |
363 | } |
364 | ||
7d12e780 | 365 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
366 | { |
367 | struct usb_serial_port *port; | |
368 | struct keyspan_port_private *p_priv; | |
369 | ||
cdc97792 | 370 | port = urb->context; |
1da177e4 LT |
371 | p_priv = usb_get_serial_port_data(port); |
372 | ||
373 | if (p_priv->resend_cont) { | |
049c6b4e | 374 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
375 | keyspan_usa26_send_setup(port->serial, port, |
376 | p_priv->resend_cont - 1); | |
1da177e4 LT |
377 | } |
378 | } | |
379 | ||
7d12e780 | 380 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
381 | { |
382 | unsigned char *data = urb->transfer_buffer; | |
383 | struct keyspan_usa26_portStatusMessage *msg; | |
384 | struct usb_serial *serial; | |
385 | struct usb_serial_port *port; | |
386 | struct keyspan_port_private *p_priv; | |
4a90f09b | 387 | struct tty_struct *tty; |
1da177e4 | 388 | int old_dcd_state, err; |
95b93454 | 389 | int status = urb->status; |
1da177e4 | 390 | |
cdc97792 | 391 | serial = urb->context; |
1da177e4 | 392 | |
95b93454 | 393 | if (status) { |
049c6b4e | 394 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
395 | return; |
396 | } | |
397 | if (urb->actual_length != 9) { | |
049c6b4e | 398 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
399 | goto exit; |
400 | } | |
401 | ||
402 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
403 | ||
404 | #if 0 | |
049c6b4e GKH |
405 | dev_dbg(&urb->dev->dev, |
406 | "%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
407 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, | |
408 | msg->ri, msg->_txOff, msg->_txXoff, msg->rxEnabled, | |
409 | msg->controlResponse); | |
1da177e4 LT |
410 | #endif |
411 | ||
412 | /* Now do something useful with the data */ | |
413 | ||
414 | ||
deb91685 | 415 | /* Check port number from message and retrieve private data */ |
1da177e4 | 416 | if (msg->port >= serial->num_ports) { |
049c6b4e | 417 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
418 | goto exit; |
419 | } | |
420 | port = serial->port[msg->port]; | |
421 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 422 | |
1da177e4 LT |
423 | /* Update handshaking pin state information */ |
424 | old_dcd_state = p_priv->dcd_state; | |
425 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
426 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
427 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
428 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
429 | ||
4a90f09b AC |
430 | if (old_dcd_state != p_priv->dcd_state) { |
431 | tty = tty_port_tty_get(&port->port); | |
432 | if (tty && !C_CLOCAL(tty)) | |
433 | tty_hangup(tty); | |
434 | tty_kref_put(tty); | |
1da177e4 | 435 | } |
deb91685 | 436 | |
1da177e4 | 437 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
438 | err = usb_submit_urb(urb, GFP_ATOMIC); |
439 | if (err != 0) | |
049c6b4e | 440 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
441 | exit: ; |
442 | } | |
443 | ||
7d12e780 | 444 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 445 | { |
1da177e4 LT |
446 | } |
447 | ||
448 | ||
7d12e780 | 449 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 450 | { |
f035a8ad | 451 | int err; |
1da177e4 LT |
452 | struct usb_serial_port *port; |
453 | struct tty_struct *tty; | |
454 | unsigned char *data; | |
455 | struct keyspan_port_private *p_priv; | |
95b93454 | 456 | int status = urb->status; |
1da177e4 | 457 | |
cdc97792 | 458 | port = urb->context; |
1da177e4 LT |
459 | p_priv = usb_get_serial_port_data(port); |
460 | data = urb->transfer_buffer; | |
461 | ||
462 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
463 | return; | |
464 | ||
465 | do { | |
95b93454 | 466 | if (status) { |
049c6b4e GKH |
467 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
468 | __func__, status, usb_pipeendpoint(urb->pipe)); | |
1da177e4 LT |
469 | return; |
470 | } | |
471 | ||
cdc97792 | 472 | port = urb->context; |
1da177e4 LT |
473 | p_priv = usb_get_serial_port_data(port); |
474 | data = urb->transfer_buffer; | |
475 | ||
40adac81 | 476 | tty = tty_port_tty_get(&port->port); |
4a90f09b | 477 | if (tty && urb->actual_length) { |
f035a8ad | 478 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
479 | tty_flip_buffer_push(tty); |
480 | } | |
4a90f09b | 481 | tty_kref_put(tty); |
1da177e4 LT |
482 | |
483 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
484 | err = usb_submit_urb(urb, GFP_ATOMIC); |
485 | if (err != 0) | |
049c6b4e | 486 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
1f87158e | 487 | __func__, err); |
1da177e4 LT |
488 | p_priv->in_flip ^= 1; |
489 | ||
490 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
491 | } while (urb->status != -EINPROGRESS); | |
492 | } | |
493 | ||
7d12e780 | 494 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 495 | { |
1da177e4 LT |
496 | } |
497 | ||
7d12e780 | 498 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
499 | { |
500 | struct usb_serial_port *port; | |
501 | struct keyspan_port_private *p_priv; | |
502 | ||
cdc97792 | 503 | port = urb->context; |
1da177e4 LT |
504 | p_priv = usb_get_serial_port_data(port); |
505 | ||
506 | if (p_priv->resend_cont) { | |
049c6b4e | 507 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
508 | keyspan_usa28_send_setup(port->serial, port, |
509 | p_priv->resend_cont - 1); | |
1da177e4 LT |
510 | } |
511 | } | |
512 | ||
7d12e780 | 513 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
514 | { |
515 | int err; | |
516 | unsigned char *data = urb->transfer_buffer; | |
517 | struct keyspan_usa28_portStatusMessage *msg; | |
518 | struct usb_serial *serial; | |
519 | struct usb_serial_port *port; | |
520 | struct keyspan_port_private *p_priv; | |
4a90f09b | 521 | struct tty_struct *tty; |
1da177e4 | 522 | int old_dcd_state; |
95b93454 | 523 | int status = urb->status; |
1da177e4 | 524 | |
cdc97792 | 525 | serial = urb->context; |
1da177e4 | 526 | |
95b93454 | 527 | if (status) { |
049c6b4e | 528 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
529 | return; |
530 | } | |
531 | ||
532 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
049c6b4e | 533 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
534 | goto exit; |
535 | } | |
536 | ||
049c6b4e GKH |
537 | /* |
538 | dev_dbg(&urb->dev->dev, | |
539 | "%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__, | |
540 | data[0], data[1], data[2], data[3], data[4], data[5], | |
541 | data[6], data[7], data[8], data[9], data[10], data[11]); | |
542 | */ | |
1da177e4 | 543 | |
deb91685 AC |
544 | /* Now do something useful with the data */ |
545 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
1da177e4 | 546 | |
deb91685 | 547 | /* Check port number from message and retrieve private data */ |
1da177e4 | 548 | if (msg->port >= serial->num_ports) { |
049c6b4e | 549 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
550 | goto exit; |
551 | } | |
552 | port = serial->port[msg->port]; | |
553 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 554 | |
1da177e4 LT |
555 | /* Update handshaking pin state information */ |
556 | old_dcd_state = p_priv->dcd_state; | |
557 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
558 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
559 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
560 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
561 | ||
ddc04ae7 | 562 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
4a90f09b | 563 | tty = tty_port_tty_get(&port->port); |
878b5fd6 | 564 | if (tty && !C_CLOCAL(tty)) |
4a90f09b AC |
565 | tty_hangup(tty); |
566 | tty_kref_put(tty); | |
1da177e4 LT |
567 | } |
568 | ||
569 | /* Resubmit urb so we continue receiving */ | |
deb91685 AC |
570 | err = usb_submit_urb(urb, GFP_ATOMIC); |
571 | if (err != 0) | |
049c6b4e | 572 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
573 | exit: ; |
574 | } | |
575 | ||
7d12e780 | 576 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 577 | { |
1da177e4 LT |
578 | } |
579 | ||
580 | ||
7d12e780 | 581 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
582 | { |
583 | struct usb_serial *serial; | |
584 | struct usb_serial_port *port; | |
585 | struct keyspan_port_private *p_priv; | |
586 | int i; | |
587 | ||
cdc97792 | 588 | serial = urb->context; |
1da177e4 LT |
589 | for (i = 0; i < serial->num_ports; ++i) { |
590 | port = serial->port[i]; | |
591 | p_priv = usb_get_serial_port_data(port); | |
592 | ||
593 | if (p_priv->resend_cont) { | |
049c6b4e | 594 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
595 | keyspan_usa49_send_setup(serial, port, |
596 | p_priv->resend_cont - 1); | |
1da177e4 LT |
597 | break; |
598 | } | |
599 | } | |
600 | } | |
601 | ||
602 | /* This is actually called glostat in the Keyspan | |
603 | doco */ | |
7d12e780 | 604 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
605 | { |
606 | int err; | |
607 | unsigned char *data = urb->transfer_buffer; | |
608 | struct keyspan_usa49_portStatusMessage *msg; | |
609 | struct usb_serial *serial; | |
610 | struct usb_serial_port *port; | |
611 | struct keyspan_port_private *p_priv; | |
612 | int old_dcd_state; | |
95b93454 | 613 | int status = urb->status; |
1da177e4 | 614 | |
cdc97792 | 615 | serial = urb->context; |
1da177e4 | 616 | |
95b93454 | 617 | if (status) { |
049c6b4e | 618 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
619 | return; |
620 | } | |
621 | ||
deb91685 AC |
622 | if (urb->actual_length != |
623 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
049c6b4e | 624 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
625 | goto exit; |
626 | } | |
627 | ||
049c6b4e GKH |
628 | /* |
629 | dev_dbg(&urb->dev->dev, "%s: %x %x %x %x %x %x %x %x %x %x %x", | |
630 | __func__, data[0], data[1], data[2], data[3], data[4], | |
631 | data[5], data[6], data[7], data[8], data[9], data[10]); | |
632 | */ | |
deb91685 AC |
633 | |
634 | /* Now do something useful with the data */ | |
1da177e4 LT |
635 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
636 | ||
deb91685 | 637 | /* Check port number from message and retrieve private data */ |
1da177e4 | 638 | if (msg->portNumber >= serial->num_ports) { |
049c6b4e GKH |
639 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
640 | __func__, msg->portNumber); | |
1da177e4 LT |
641 | goto exit; |
642 | } | |
643 | port = serial->port[msg->portNumber]; | |
644 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 645 | |
1da177e4 LT |
646 | /* Update handshaking pin state information */ |
647 | old_dcd_state = p_priv->dcd_state; | |
648 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
649 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
650 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
651 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
652 | ||
4a90f09b AC |
653 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
654 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
655 | if (tty && !C_CLOCAL(tty)) | |
656 | tty_hangup(tty); | |
657 | tty_kref_put(tty); | |
1da177e4 LT |
658 | } |
659 | ||
deb91685 | 660 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
661 | err = usb_submit_urb(urb, GFP_ATOMIC); |
662 | if (err != 0) | |
049c6b4e | 663 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
664 | exit: ; |
665 | } | |
666 | ||
7d12e780 | 667 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 668 | { |
1da177e4 LT |
669 | } |
670 | ||
7d12e780 | 671 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
672 | { |
673 | int i, err; | |
674 | int endpoint; | |
675 | struct usb_serial_port *port; | |
676 | struct tty_struct *tty; | |
677 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 678 | int status = urb->status; |
1da177e4 | 679 | |
1da177e4 LT |
680 | endpoint = usb_pipeendpoint(urb->pipe); |
681 | ||
95b93454 | 682 | if (status) { |
049c6b4e GKH |
683 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
684 | __func__, status, endpoint); | |
1da177e4 LT |
685 | return; |
686 | } | |
687 | ||
cdc97792 | 688 | port = urb->context; |
4a90f09b | 689 | tty = tty_port_tty_get(&port->port); |
3004e537 | 690 | if (tty && urb->actual_length) { |
1da177e4 LT |
691 | /* 0x80 bit is error flag */ |
692 | if ((data[0] & 0x80) == 0) { | |
693 | /* no error on any byte */ | |
f035a8ad AC |
694 | tty_insert_flip_string(tty, data + 1, |
695 | urb->actual_length - 1); | |
1da177e4 LT |
696 | } else { |
697 | /* some bytes had errors, every byte has status */ | |
698 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
699 | int stat = data[i], flag = 0; | |
700 | if (stat & RXERROR_OVERRUN) | |
701 | flag |= TTY_OVERRUN; | |
702 | if (stat & RXERROR_FRAMING) | |
703 | flag |= TTY_FRAME; | |
704 | if (stat & RXERROR_PARITY) | |
705 | flag |= TTY_PARITY; | |
706 | /* XXX should handle break (0x10) */ | |
707 | tty_insert_flip_char(tty, data[i+1], flag); | |
708 | } | |
709 | } | |
710 | tty_flip_buffer_push(tty); | |
711 | } | |
4a90f09b | 712 | tty_kref_put(tty); |
deb91685 AC |
713 | |
714 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
715 | err = usb_submit_urb(urb, GFP_ATOMIC); |
716 | if (err != 0) | |
049c6b4e | 717 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
718 | } |
719 | ||
0ca1268e LM |
720 | static void usa49wg_indat_callback(struct urb *urb) |
721 | { | |
722 | int i, len, x, err; | |
723 | struct usb_serial *serial; | |
724 | struct usb_serial_port *port; | |
725 | struct tty_struct *tty; | |
726 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 727 | int status = urb->status; |
0ca1268e | 728 | |
0ca1268e LM |
729 | serial = urb->context; |
730 | ||
95b93454 | 731 | if (status) { |
049c6b4e | 732 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
733 | return; |
734 | } | |
735 | ||
736 | /* inbound data is in the form P#, len, status, data */ | |
737 | i = 0; | |
738 | len = 0; | |
739 | ||
740 | if (urb->actual_length) { | |
741 | while (i < urb->actual_length) { | |
742 | ||
743 | /* Check port number from message*/ | |
744 | if (data[i] >= serial->num_ports) { | |
049c6b4e | 745 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
441b62c1 | 746 | __func__, data[i]); |
0ca1268e LM |
747 | return; |
748 | } | |
749 | port = serial->port[data[i++]]; | |
4a90f09b | 750 | tty = tty_port_tty_get(&port->port); |
0ca1268e LM |
751 | len = data[i++]; |
752 | ||
753 | /* 0x80 bit is error flag */ | |
754 | if ((data[i] & 0x80) == 0) { | |
755 | /* no error on any byte */ | |
756 | i++; | |
757 | for (x = 1; x < len ; ++x) | |
1f87158e | 758 | tty_insert_flip_char(tty, data[i++], 0); |
0ca1268e LM |
759 | } else { |
760 | /* | |
761 | * some bytes had errors, every byte has status | |
762 | */ | |
763 | for (x = 0; x + 1 < len; x += 2) { | |
764 | int stat = data[i], flag = 0; | |
765 | if (stat & RXERROR_OVERRUN) | |
766 | flag |= TTY_OVERRUN; | |
767 | if (stat & RXERROR_FRAMING) | |
768 | flag |= TTY_FRAME; | |
769 | if (stat & RXERROR_PARITY) | |
770 | flag |= TTY_PARITY; | |
771 | /* XXX should handle break (0x10) */ | |
1f87158e | 772 | tty_insert_flip_char(tty, |
0ca1268e LM |
773 | data[i+1], flag); |
774 | i += 2; | |
775 | } | |
776 | } | |
1f87158e | 777 | tty_flip_buffer_push(tty); |
4a90f09b | 778 | tty_kref_put(tty); |
0ca1268e LM |
779 | } |
780 | } | |
781 | ||
782 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
783 | err = usb_submit_urb(urb, GFP_ATOMIC); |
784 | if (err != 0) | |
049c6b4e | 785 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
786 | } |
787 | ||
1da177e4 | 788 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 789 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 790 | { |
1da177e4 LT |
791 | } |
792 | ||
0ca1268e | 793 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
794 | { |
795 | int i, err; | |
796 | int endpoint; | |
797 | struct usb_serial_port *port; | |
798 | struct keyspan_port_private *p_priv; | |
799 | struct tty_struct *tty; | |
800 | unsigned char *data = urb->transfer_buffer; | |
95b93454 | 801 | int status = urb->status; |
1da177e4 | 802 | |
1da177e4 LT |
803 | endpoint = usb_pipeendpoint(urb->pipe); |
804 | ||
95b93454 | 805 | if (status) { |
049c6b4e | 806 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
441b62c1 | 807 | __func__, status, endpoint); |
1da177e4 LT |
808 | return; |
809 | } | |
810 | ||
cdc97792 | 811 | port = urb->context; |
1da177e4 LT |
812 | p_priv = usb_get_serial_port_data(port); |
813 | ||
1da177e4 | 814 | if (urb->actual_length) { |
4a90f09b | 815 | tty = tty_port_tty_get(&port->port); |
1da177e4 | 816 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 817 | otherwise looks like usa26 data format */ |
1da177e4 | 818 | |
f035a8ad AC |
819 | if (p_priv->baud > 57600) |
820 | tty_insert_flip_string(tty, data, urb->actual_length); | |
821 | else { | |
1da177e4 LT |
822 | /* 0x80 bit is error flag */ |
823 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
824 | /* no errors on individual bytes, only |
825 | possible overrun err*/ | |
1da177e4 | 826 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
827 | err = TTY_OVERRUN; |
828 | else | |
829 | err = 0; | |
830 | for (i = 1; i < urb->actual_length ; ++i) | |
831 | tty_insert_flip_char(tty, data[i], | |
832 | err); | |
833 | } else { | |
1da177e4 | 834 | /* some bytes had errors, every byte has status */ |
049c6b4e | 835 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 LT |
836 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
837 | int stat = data[i], flag = 0; | |
838 | if (stat & RXERROR_OVERRUN) | |
839 | flag |= TTY_OVERRUN; | |
840 | if (stat & RXERROR_FRAMING) | |
841 | flag |= TTY_FRAME; | |
842 | if (stat & RXERROR_PARITY) | |
843 | flag |= TTY_PARITY; | |
844 | /* XXX should handle break (0x10) */ | |
deb91685 AC |
845 | tty_insert_flip_char(tty, data[i+1], |
846 | flag); | |
1da177e4 LT |
847 | } |
848 | } | |
849 | } | |
850 | tty_flip_buffer_push(tty); | |
4a90f09b | 851 | tty_kref_put(tty); |
1da177e4 | 852 | } |
deb91685 | 853 | |
1da177e4 | 854 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
855 | err = usb_submit_urb(urb, GFP_ATOMIC); |
856 | if (err != 0) | |
049c6b4e | 857 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
858 | } |
859 | ||
860 | ||
7d12e780 | 861 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
862 | { |
863 | unsigned char *data = urb->transfer_buffer; | |
864 | struct keyspan_usa90_portStatusMessage *msg; | |
865 | struct usb_serial *serial; | |
866 | struct usb_serial_port *port; | |
867 | struct keyspan_port_private *p_priv; | |
4a90f09b | 868 | struct tty_struct *tty; |
1da177e4 | 869 | int old_dcd_state, err; |
95b93454 | 870 | int status = urb->status; |
1da177e4 | 871 | |
cdc97792 | 872 | serial = urb->context; |
1da177e4 | 873 | |
95b93454 | 874 | if (status) { |
049c6b4e | 875 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
876 | return; |
877 | } | |
878 | if (urb->actual_length < 14) { | |
049c6b4e | 879 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
880 | goto exit; |
881 | } | |
882 | ||
883 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
884 | ||
885 | /* Now do something useful with the data */ | |
886 | ||
887 | port = serial->port[0]; | |
888 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 889 | |
1da177e4 LT |
890 | /* Update handshaking pin state information */ |
891 | old_dcd_state = p_priv->dcd_state; | |
892 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
893 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
894 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
895 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
896 | ||
4a90f09b AC |
897 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
898 | tty = tty_port_tty_get(&port->port); | |
899 | if (tty && !C_CLOCAL(tty)) | |
900 | tty_hangup(tty); | |
901 | tty_kref_put(tty); | |
1da177e4 | 902 | } |
deb91685 | 903 | |
1da177e4 | 904 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
905 | err = usb_submit_urb(urb, GFP_ATOMIC); |
906 | if (err != 0) | |
049c6b4e | 907 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
908 | exit: |
909 | ; | |
910 | } | |
911 | ||
7d12e780 | 912 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
913 | { |
914 | struct usb_serial_port *port; | |
915 | struct keyspan_port_private *p_priv; | |
916 | ||
cdc97792 | 917 | port = urb->context; |
1da177e4 LT |
918 | p_priv = usb_get_serial_port_data(port); |
919 | ||
920 | if (p_priv->resend_cont) { | |
049c6b4e | 921 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
922 | keyspan_usa90_send_setup(port->serial, port, |
923 | p_priv->resend_cont - 1); | |
1da177e4 LT |
924 | } |
925 | } | |
926 | ||
0ca1268e LM |
927 | /* Status messages from the 28xg */ |
928 | static void usa67_instat_callback(struct urb *urb) | |
929 | { | |
930 | int err; | |
931 | unsigned char *data = urb->transfer_buffer; | |
932 | struct keyspan_usa67_portStatusMessage *msg; | |
933 | struct usb_serial *serial; | |
934 | struct usb_serial_port *port; | |
935 | struct keyspan_port_private *p_priv; | |
936 | int old_dcd_state; | |
95b93454 | 937 | int status = urb->status; |
0ca1268e | 938 | |
0ca1268e LM |
939 | serial = urb->context; |
940 | ||
95b93454 | 941 | if (status) { |
049c6b4e | 942 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
943 | return; |
944 | } | |
945 | ||
deb91685 AC |
946 | if (urb->actual_length != |
947 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
049c6b4e | 948 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
0ca1268e LM |
949 | return; |
950 | } | |
951 | ||
952 | ||
953 | /* Now do something useful with the data */ | |
954 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
955 | ||
956 | /* Check port number from message and retrieve private data */ | |
957 | if (msg->port >= serial->num_ports) { | |
049c6b4e | 958 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
0ca1268e LM |
959 | return; |
960 | } | |
961 | ||
962 | port = serial->port[msg->port]; | |
963 | p_priv = usb_get_serial_port_data(port); | |
964 | ||
965 | /* Update handshaking pin state information */ | |
966 | old_dcd_state = p_priv->dcd_state; | |
967 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
968 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
969 | ||
4a90f09b AC |
970 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
971 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
972 | if (tty && !C_CLOCAL(tty)) | |
973 | tty_hangup(tty); | |
974 | tty_kref_put(tty); | |
0ca1268e LM |
975 | } |
976 | ||
977 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
978 | err = usb_submit_urb(urb, GFP_ATOMIC); |
979 | if (err != 0) | |
049c6b4e | 980 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
981 | } |
982 | ||
983 | static void usa67_glocont_callback(struct urb *urb) | |
984 | { | |
985 | struct usb_serial *serial; | |
986 | struct usb_serial_port *port; | |
987 | struct keyspan_port_private *p_priv; | |
988 | int i; | |
989 | ||
0ca1268e LM |
990 | serial = urb->context; |
991 | for (i = 0; i < serial->num_ports; ++i) { | |
992 | port = serial->port[i]; | |
993 | p_priv = usb_get_serial_port_data(port); | |
994 | ||
995 | if (p_priv->resend_cont) { | |
049c6b4e | 996 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
0ca1268e LM |
997 | keyspan_usa67_send_setup(serial, port, |
998 | p_priv->resend_cont - 1); | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | } | |
1003 | ||
95da310e | 1004 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 1005 | { |
95da310e | 1006 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
1007 | struct keyspan_port_private *p_priv; |
1008 | const struct keyspan_device_details *d_details; | |
1009 | int flip; | |
1010 | int data_len; | |
1011 | struct urb *this_urb; | |
1012 | ||
1da177e4 LT |
1013 | p_priv = usb_get_serial_port_data(port); |
1014 | d_details = p_priv->device_details; | |
1015 | ||
a5b6f60c | 1016 | /* FIXME: locking */ |
1da177e4 | 1017 | if (d_details->msg_format == msg_usa90) |
deb91685 | 1018 | data_len = 64; |
1da177e4 LT |
1019 | else |
1020 | data_len = 63; | |
1021 | ||
1022 | flip = p_priv->out_flip; | |
1023 | ||
1024 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
1025 | this_urb = p_priv->out_urbs[flip]; |
1026 | if (this_urb != NULL) { | |
1da177e4 | 1027 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1028 | return data_len; |
1029 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1030 | this_urb = p_priv->out_urbs[flip]; | |
1031 | if (this_urb != NULL) { | |
1da177e4 | 1032 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1033 | return data_len; |
1034 | } | |
1da177e4 | 1035 | } |
a5b6f60c | 1036 | return 0; |
1da177e4 LT |
1037 | } |
1038 | ||
1039 | ||
a509a7e4 | 1040 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1041 | { |
f78ba157 | 1042 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1043 | const struct keyspan_device_details *d_details; |
1044 | int i, err; | |
f78ba157 | 1045 | int baud_rate, device_port; |
1da177e4 | 1046 | struct urb *urb; |
95da310e | 1047 | unsigned int cflag = 0; |
1da177e4 | 1048 | |
1da177e4 LT |
1049 | p_priv = usb_get_serial_port_data(port); |
1050 | d_details = p_priv->device_details; | |
7eea4364 | 1051 | |
1da177e4 LT |
1052 | /* Set some sane defaults */ |
1053 | p_priv->rts_state = 1; | |
1054 | p_priv->dtr_state = 1; | |
1055 | p_priv->baud = 9600; | |
1056 | ||
1057 | /* force baud and lcr to be set on open */ | |
1058 | p_priv->old_baud = 0; | |
1059 | p_priv->old_cflag = 0; | |
1060 | ||
1061 | p_priv->out_flip = 0; | |
1062 | p_priv->in_flip = 0; | |
1063 | ||
1064 | /* Reset low level data toggle and start reading from endpoints */ | |
1065 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1066 | urb = p_priv->in_urbs[i]; |
1067 | if (urb == NULL) | |
1da177e4 | 1068 | continue; |
1da177e4 | 1069 | |
deb91685 AC |
1070 | /* make sure endpoint data toggle is synchronized |
1071 | with the device */ | |
1da177e4 | 1072 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1073 | err = usb_submit_urb(urb, GFP_KERNEL); |
1074 | if (err != 0) | |
049c6b4e | 1075 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
1da177e4 LT |
1076 | } |
1077 | ||
1078 | /* Reset low level data toggle on out endpoints */ | |
1079 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1080 | urb = p_priv->out_urbs[i]; |
1081 | if (urb == NULL) | |
1da177e4 | 1082 | continue; |
deb91685 AC |
1083 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1084 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1085 | } |
1086 | ||
f78ba157 AM |
1087 | /* get the terminal config for the setup message now so we don't |
1088 | * need to send 2 of them */ | |
1089 | ||
f78ba157 | 1090 | device_port = port->number - port->serial->minor; |
95da310e | 1091 | if (tty) { |
adc8d746 | 1092 | cflag = tty->termios.c_cflag; |
95da310e AC |
1093 | /* Baud rate calculation takes baud rate as an integer |
1094 | so other rates can be generated if desired. */ | |
1095 | baud_rate = tty_get_baud_rate(tty); | |
1096 | /* If no match or invalid, leave as default */ | |
1097 | if (baud_rate >= 0 | |
049c6b4e | 1098 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
95da310e AC |
1099 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
1100 | p_priv->baud = baud_rate; | |
1101 | } | |
f78ba157 | 1102 | } |
f78ba157 AM |
1103 | /* set CTS/RTS handshake etc. */ |
1104 | p_priv->cflag = cflag; | |
2b982ab1 | 1105 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1106 | |
1107 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1108 | /* mdelay(100); */ |
1109 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1110 | |
a5b6f60c | 1111 | return 0; |
1da177e4 LT |
1112 | } |
1113 | ||
1114 | static inline void stop_urb(struct urb *urb) | |
1115 | { | |
242cf670 | 1116 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1117 | usb_kill_urb(urb); |
1da177e4 LT |
1118 | } |
1119 | ||
335f8514 AC |
1120 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1121 | { | |
1122 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1123 | ||
1124 | p_priv->rts_state = on; | |
1125 | p_priv->dtr_state = on; | |
1126 | keyspan_send_setup(port, 0); | |
1127 | } | |
1128 | ||
1129 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1130 | { |
1131 | int i; | |
1132 | struct usb_serial *serial = port->serial; | |
1da177e4 LT |
1133 | struct keyspan_port_private *p_priv; |
1134 | ||
1da177e4 | 1135 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1136 | |
1da177e4 LT |
1137 | p_priv->rts_state = 0; |
1138 | p_priv->dtr_state = 0; | |
deb91685 | 1139 | |
1da177e4 LT |
1140 | if (serial->dev) { |
1141 | keyspan_send_setup(port, 2); | |
1142 | /* pilot-xfer seems to work best with this delay */ | |
1143 | mdelay(100); | |
deb91685 | 1144 | /* keyspan_set_termios(port, NULL); */ |
1da177e4 LT |
1145 | } |
1146 | ||
1147 | /*while (p_priv->outcont_urb->status == -EINPROGRESS) { | |
049c6b4e | 1148 | dev_dbg(&port->dev, "%s - urb in progress\n", __func__); |
1da177e4 LT |
1149 | }*/ |
1150 | ||
1151 | p_priv->out_flip = 0; | |
1152 | p_priv->in_flip = 0; | |
1153 | ||
1154 | if (serial->dev) { | |
1155 | /* Stop reading/writing urbs */ | |
1156 | stop_urb(p_priv->inack_urb); | |
1157 | /* stop_urb(p_priv->outcont_urb); */ | |
1158 | for (i = 0; i < 2; i++) { | |
1159 | stop_urb(p_priv->in_urbs[i]); | |
1160 | stop_urb(p_priv->out_urbs[i]); | |
1161 | } | |
1162 | } | |
1da177e4 LT |
1163 | } |
1164 | ||
deb91685 AC |
1165 | /* download the firmware to a pre-renumeration device */ |
1166 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 | 1167 | { |
8d733e26 | 1168 | char *fw_name; |
1da177e4 | 1169 | |
049c6b4e GKH |
1170 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
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) { | |
049c6b4e | 1176 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
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 | ||
049c6b4e | 1236 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
1da177e4 | 1237 | |
8d733e26 RB |
1238 | if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { |
1239 | dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", | |
1240 | fw_name); | |
1241 | return -ENOENT; | |
1da177e4 | 1242 | } |
8d733e26 RB |
1243 | |
1244 | /* after downloading firmware Renumeration will occur in a | |
1245 | moment and the new device will bind to the real driver */ | |
1da177e4 LT |
1246 | |
1247 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1248 | return 1; |
1da177e4 LT |
1249 | } |
1250 | ||
1251 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1252 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1253 | int endpoint) | |
1254 | { | |
1255 | struct usb_host_interface *iface_desc; | |
1256 | struct usb_endpoint_descriptor *ep; | |
1257 | int i; | |
1258 | ||
1259 | iface_desc = serial->interface->cur_altsetting; | |
1260 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1261 | ep = &iface_desc->endpoint[i].desc; | |
1262 | if (ep->bEndpointAddress == endpoint) | |
1263 | return ep; | |
1264 | } | |
1265 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1266 | "endpoint %x\n", endpoint); | |
1267 | return NULL; | |
1268 | } | |
1269 | ||
deb91685 | 1270 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1271 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1272 | void (*callback)(struct urb *)) |
1da177e4 LT |
1273 | { |
1274 | struct urb *urb; | |
fdcba53e RW |
1275 | struct usb_endpoint_descriptor const *ep_desc; |
1276 | char const *ep_type_name; | |
1da177e4 LT |
1277 | |
1278 | if (endpoint == -1) | |
1279 | return NULL; /* endpoint not needed */ | |
1280 | ||
049c6b4e | 1281 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); |
1da177e4 LT |
1282 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1283 | if (urb == NULL) { | |
049c6b4e | 1284 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d failed.\n", __func__, endpoint); |
1da177e4 LT |
1285 | return NULL; |
1286 | } | |
1287 | ||
0ca1268e LM |
1288 | if (endpoint == 0) { |
1289 | /* control EP filled in when used */ | |
1290 | return urb; | |
1291 | } | |
1292 | ||
fdcba53e RW |
1293 | ep_desc = find_ep(serial, endpoint); |
1294 | if (!ep_desc) { | |
1295 | /* leak the urb, something's wrong and the callers don't care */ | |
1296 | return urb; | |
1297 | } | |
1298 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1299 | ep_type_name = "INT"; | |
1300 | usb_fill_int_urb(urb, serial->dev, | |
1301 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1302 | buf, len, callback, ctx, | |
1303 | ep_desc->bInterval); | |
1304 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1305 | ep_type_name = "BULK"; | |
1306 | usb_fill_bulk_urb(urb, serial->dev, | |
1307 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1308 | buf, len, callback, ctx); | |
1309 | } else { | |
1310 | dev_warn(&serial->interface->dev, | |
1311 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1312 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1313 | usb_free_urb(urb); |
1314 | return NULL; | |
1315 | } | |
1da177e4 | 1316 | |
049c6b4e | 1317 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
fdcba53e | 1318 | __func__, urb, ep_type_name, endpoint); |
1da177e4 LT |
1319 | return urb; |
1320 | } | |
1321 | ||
1322 | static struct callbacks { | |
7d12e780 DH |
1323 | void (*instat_callback)(struct urb *); |
1324 | void (*glocont_callback)(struct urb *); | |
1325 | void (*indat_callback)(struct urb *); | |
1326 | void (*outdat_callback)(struct urb *); | |
1327 | void (*inack_callback)(struct urb *); | |
1328 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1329 | } keyspan_callbacks[] = { |
1330 | { | |
1331 | /* msg_usa26 callbacks */ | |
1332 | .instat_callback = usa26_instat_callback, | |
1333 | .glocont_callback = usa26_glocont_callback, | |
1334 | .indat_callback = usa26_indat_callback, | |
1335 | .outdat_callback = usa2x_outdat_callback, | |
1336 | .inack_callback = usa26_inack_callback, | |
1337 | .outcont_callback = usa26_outcont_callback, | |
1338 | }, { | |
1339 | /* msg_usa28 callbacks */ | |
1340 | .instat_callback = usa28_instat_callback, | |
1341 | .glocont_callback = usa28_glocont_callback, | |
1342 | .indat_callback = usa28_indat_callback, | |
1343 | .outdat_callback = usa2x_outdat_callback, | |
1344 | .inack_callback = usa28_inack_callback, | |
1345 | .outcont_callback = usa28_outcont_callback, | |
1346 | }, { | |
1347 | /* msg_usa49 callbacks */ | |
1348 | .instat_callback = usa49_instat_callback, | |
1349 | .glocont_callback = usa49_glocont_callback, | |
1350 | .indat_callback = usa49_indat_callback, | |
1351 | .outdat_callback = usa2x_outdat_callback, | |
1352 | .inack_callback = usa49_inack_callback, | |
1353 | .outcont_callback = usa49_outcont_callback, | |
1354 | }, { | |
1355 | /* msg_usa90 callbacks */ | |
1356 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1357 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1358 | .indat_callback = usa90_indat_callback, |
1359 | .outdat_callback = usa2x_outdat_callback, | |
1360 | .inack_callback = usa28_inack_callback, | |
1361 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1362 | }, { |
1363 | /* msg_usa67 callbacks */ | |
1364 | .instat_callback = usa67_instat_callback, | |
1365 | .glocont_callback = usa67_glocont_callback, | |
1366 | .indat_callback = usa26_indat_callback, | |
1367 | .outdat_callback = usa2x_outdat_callback, | |
1368 | .inack_callback = usa26_inack_callback, | |
1369 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1370 | } |
1371 | }; | |
1372 | ||
1373 | /* Generic setup urbs function that uses | |
1374 | data in device_details */ | |
1375 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1376 | { | |
1377 | int i, j; | |
1378 | struct keyspan_serial_private *s_priv; | |
1379 | const struct keyspan_device_details *d_details; | |
1380 | struct usb_serial_port *port; | |
1381 | struct keyspan_port_private *p_priv; | |
1382 | struct callbacks *cback; | |
1383 | int endp; | |
1384 | ||
1da177e4 LT |
1385 | s_priv = usb_get_serial_data(serial); |
1386 | d_details = s_priv->device_details; | |
1387 | ||
deb91685 | 1388 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1389 | cback = &keyspan_callbacks[d_details->msg_format]; |
1390 | ||
deb91685 AC |
1391 | /* Allocate and set up urbs for each one that is in use, |
1392 | starting with instat endpoints */ | |
1da177e4 LT |
1393 | s_priv->instat_urb = keyspan_setup_urb |
1394 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1395 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1396 | cback->instat_callback); | |
1397 | ||
0ca1268e LM |
1398 | s_priv->indat_urb = keyspan_setup_urb |
1399 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1400 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1401 | usa49wg_indat_callback); | |
1402 | ||
1da177e4 LT |
1403 | s_priv->glocont_urb = keyspan_setup_urb |
1404 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1405 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1406 | cback->glocont_callback); | |
1407 | ||
deb91685 AC |
1408 | /* Setup endpoints for each port specific thing */ |
1409 | for (i = 0; i < d_details->num_ports; i++) { | |
1da177e4 LT |
1410 | port = serial->port[i]; |
1411 | p_priv = usb_get_serial_port_data(port); | |
1412 | ||
1413 | /* Do indat endpoints first, once for each flip */ | |
1414 | endp = d_details->indat_endpoints[i]; | |
1415 | for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) { | |
1416 | p_priv->in_urbs[j] = keyspan_setup_urb | |
1417 | (serial, endp, USB_DIR_IN, port, | |
1418 | p_priv->in_buffer[j], 64, | |
1419 | cback->indat_callback); | |
1420 | } | |
1421 | for (; j < 2; ++j) | |
1422 | p_priv->in_urbs[j] = NULL; | |
1423 | ||
1424 | /* outdat endpoints also have flip */ | |
1425 | endp = d_details->outdat_endpoints[i]; | |
1426 | for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) { | |
1427 | p_priv->out_urbs[j] = keyspan_setup_urb | |
1428 | (serial, endp, USB_DIR_OUT, port, | |
1429 | p_priv->out_buffer[j], 64, | |
1430 | cback->outdat_callback); | |
1431 | } | |
1432 | for (; j < 2; ++j) | |
1433 | p_priv->out_urbs[j] = NULL; | |
1434 | ||
1435 | /* inack endpoint */ | |
1436 | p_priv->inack_urb = keyspan_setup_urb | |
1437 | (serial, d_details->inack_endpoints[i], USB_DIR_IN, | |
1438 | port, p_priv->inack_buffer, 1, cback->inack_callback); | |
1439 | ||
1440 | /* outcont endpoint */ | |
1441 | p_priv->outcont_urb = keyspan_setup_urb | |
1442 | (serial, d_details->outcont_endpoints[i], USB_DIR_OUT, | |
1443 | port, p_priv->outcont_buffer, 64, | |
1444 | cback->outcont_callback); | |
deb91685 | 1445 | } |
1da177e4 LT |
1446 | } |
1447 | ||
1448 | /* usa19 function doesn't require prescaler */ | |
049c6b4e GKH |
1449 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
1450 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1451 | u8 *rate_low, u8 *prescaler, int portnum) |
1452 | { | |
1453 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1454 | div, /* divisor */ |
1da177e4 | 1455 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1456 | |
049c6b4e | 1457 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
deb91685 AC |
1458 | |
1459 | /* prevent divide by zero... */ | |
1460 | b16 = baud_rate * 16L; | |
1461 | if (b16 == 0) | |
1462 | return KEYSPAN_INVALID_BAUD_RATE; | |
1463 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1464 | as we run out of divisor resolution. */ | |
1465 | if (baud_rate > 57600) | |
1466 | return KEYSPAN_INVALID_BAUD_RATE; | |
1467 | ||
1468 | /* calculate the divisor and the counter (its inverse) */ | |
1469 | div = baudclk / b16; | |
1470 | if (div == 0) | |
1471 | return KEYSPAN_INVALID_BAUD_RATE; | |
1472 | else | |
1da177e4 | 1473 | cnt = 0 - div; |
1da177e4 | 1474 | |
deb91685 AC |
1475 | if (div > 0xffff) |
1476 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1477 | |
deb91685 AC |
1478 | /* return the counter values if non-null */ |
1479 | if (rate_low) | |
1da177e4 | 1480 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1481 | if (rate_hi) |
1da177e4 | 1482 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 | 1483 | if (rate_low && rate_hi) |
049c6b4e | 1484 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1485 | __func__, baud_rate, *rate_hi, *rate_low); |
1486 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1487 | } |
1488 | ||
1489 | /* usa19hs function doesn't require prescaler */ | |
049c6b4e GKH |
1490 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
1491 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1492 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1493 | { |
1494 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1495 | div; /* divisor */ |
1da177e4 | 1496 | |
049c6b4e | 1497 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1498 | |
deb91685 AC |
1499 | /* prevent divide by zero... */ |
1500 | b16 = baud_rate * 16L; | |
1501 | if (b16 == 0) | |
1502 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1503 | |
deb91685 AC |
1504 | /* calculate the divisor */ |
1505 | div = baudclk / b16; | |
1506 | if (div == 0) | |
1507 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1508 | |
deb91685 AC |
1509 | if (div > 0xffff) |
1510 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1511 | |
deb91685 AC |
1512 | /* return the counter values if non-null */ |
1513 | if (rate_low) | |
1da177e4 | 1514 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1515 | |
1516 | if (rate_hi) | |
1da177e4 | 1517 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1518 | |
1519 | if (rate_low && rate_hi) | |
049c6b4e | 1520 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1521 | __func__, baud_rate, *rate_hi, *rate_low); |
1522 | ||
1523 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1524 | } |
1525 | ||
049c6b4e GKH |
1526 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
1527 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1528 | u8 *rate_low, u8 *prescaler, int portnum) |
1529 | { | |
1530 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1531 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1532 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1533 | res, /* resulting baud rate using 13/8 prescaler */ |
1534 | diff, /* error using 13/8 prescaler */ | |
1535 | smallest_diff; | |
1536 | u8 best_prescaler; | |
1537 | int i; | |
1538 | ||
049c6b4e | 1539 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1540 | |
deb91685 AC |
1541 | /* prevent divide by zero */ |
1542 | b16 = baud_rate * 16L; | |
1543 | if (b16 == 0) | |
1544 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1545 | |
deb91685 AC |
1546 | /* Calculate prescaler by trying them all and looking |
1547 | for best fit */ | |
1548 | ||
1549 | /* start with largest possible difference */ | |
1da177e4 LT |
1550 | smallest_diff = 0xffffffff; |
1551 | ||
1552 | /* 0 is an invalid prescaler, used as a flag */ | |
1553 | best_prescaler = 0; | |
1554 | ||
deb91685 | 1555 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1556 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1557 | |
1558 | div = clk / b16; | |
1559 | if (div == 0) | |
1da177e4 | 1560 | continue; |
1da177e4 LT |
1561 | |
1562 | res = clk / div; | |
deb91685 | 1563 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1564 | |
deb91685 | 1565 | if (diff < smallest_diff) { |
1da177e4 LT |
1566 | best_prescaler = i; |
1567 | smallest_diff = diff; | |
1568 | } | |
1569 | } | |
1570 | ||
deb91685 AC |
1571 | if (best_prescaler == 0) |
1572 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1573 | |
1574 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1575 | div = clk / b16; | |
1576 | ||
deb91685 AC |
1577 | /* return the divisor and prescaler if non-null */ |
1578 | if (rate_low) | |
1da177e4 | 1579 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1580 | if (rate_hi) |
1da177e4 | 1581 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1582 | if (prescaler) { |
1583 | *prescaler = best_prescaler; | |
049c6b4e | 1584 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
1da177e4 | 1585 | } |
deb91685 | 1586 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1587 | } |
1588 | ||
1589 | /* USA-28 supports different maximum baud rates on each port */ | |
049c6b4e GKH |
1590 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
1591 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1592 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1593 | { |
1594 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1595 | div, /* divisor */ |
1da177e4 LT |
1596 | cnt; /* inverse of divisor (programmed into 8051) */ |
1597 | ||
049c6b4e | 1598 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 LT |
1599 | |
1600 | /* prevent divide by zero */ | |
deb91685 AC |
1601 | b16 = baud_rate * 16L; |
1602 | if (b16 == 0) | |
1603 | return KEYSPAN_INVALID_BAUD_RATE; | |
1604 | ||
1605 | /* calculate the divisor and the counter (its inverse) */ | |
1606 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1607 | if (div == 0) | |
1608 | return KEYSPAN_INVALID_BAUD_RATE; | |
1609 | else | |
1da177e4 | 1610 | cnt = 0 - div; |
1da177e4 | 1611 | |
deb91685 AC |
1612 | /* check for out of range, based on portnum, |
1613 | and return result */ | |
1614 | if (portnum == 0) { | |
1615 | if (div > 0xffff) | |
1616 | return KEYSPAN_INVALID_BAUD_RATE; | |
1617 | } else { | |
1618 | if (portnum == 1) { | |
1619 | if (div > 0xff) | |
1620 | return KEYSPAN_INVALID_BAUD_RATE; | |
1621 | } else | |
1622 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1623 | } |
1624 | ||
1625 | /* return the counter values if not NULL | |
1626 | (port 1 will ignore retHi) */ | |
deb91685 | 1627 | if (rate_low) |
1da177e4 | 1628 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1629 | if (rate_hi) |
1da177e4 | 1630 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
049c6b4e | 1631 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
deb91685 | 1632 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1633 | } |
1634 | ||
1635 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1636 | struct usb_serial_port *port, | |
1637 | int reset_port) | |
1638 | { | |
deb91685 | 1639 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1640 | struct keyspan_serial_private *s_priv; |
1641 | struct keyspan_port_private *p_priv; | |
1642 | const struct keyspan_device_details *d_details; | |
1643 | int outcont_urb; | |
1644 | struct urb *this_urb; | |
1645 | int device_port, err; | |
1646 | ||
049c6b4e | 1647 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
1da177e4 LT |
1648 | |
1649 | s_priv = usb_get_serial_data(serial); | |
1650 | p_priv = usb_get_serial_port_data(port); | |
1651 | d_details = s_priv->device_details; | |
1652 | device_port = port->number - port->serial->minor; | |
1653 | ||
1654 | outcont_urb = d_details->outcont_endpoints[port->number]; | |
1655 | this_urb = p_priv->outcont_urb; | |
1656 | ||
049c6b4e | 1657 | dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1658 | |
1659 | /* Make sure we have an urb then send the message */ | |
1660 | if (this_urb == NULL) { | |
049c6b4e | 1661 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1662 | return -1; |
1663 | } | |
1664 | ||
1665 | /* Save reset port val for resend. | |
0ca1268e LM |
1666 | Don't overwrite resend for open/close condition. */ |
1667 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1668 | p_priv->resend_cont = reset_port + 1; |
1669 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1670 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1671 | mdelay(5); |
deb91685 | 1672 | return -1; |
1da177e4 LT |
1673 | } |
1674 | ||
deb91685 AC |
1675 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1676 | ||
1677 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1678 | if (p_priv->old_baud != p_priv->baud) { |
1679 | p_priv->old_baud = p_priv->baud; | |
1680 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1681 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1682 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1683 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1684 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1685 | __func__, p_priv->baud); | |
1da177e4 LT |
1686 | msg.baudLo = 0; |
1687 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1688 | msg.prescaler = 10; | |
1689 | } | |
1690 | msg.setPrescaler = 0xff; | |
1691 | } | |
1692 | ||
2b982ab1 | 1693 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1694 | switch (p_priv->cflag & CSIZE) { |
1695 | case CS5: | |
1696 | msg.lcr |= USA_DATABITS_5; | |
1697 | break; | |
1698 | case CS6: | |
1699 | msg.lcr |= USA_DATABITS_6; | |
1700 | break; | |
1701 | case CS7: | |
1702 | msg.lcr |= USA_DATABITS_7; | |
1703 | break; | |
1704 | case CS8: | |
1705 | msg.lcr |= USA_DATABITS_8; | |
1706 | break; | |
1707 | } | |
1708 | if (p_priv->cflag & PARENB) { | |
1709 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1710 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1711 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1712 | } |
1713 | msg.setLcr = 0xff; | |
1714 | ||
1715 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1716 | msg.xonFlowControl = 0; | |
1717 | msg.setFlowControl = 0xff; | |
1718 | msg.forwardingLength = 16; | |
1719 | msg.xonChar = 17; | |
1720 | msg.xoffChar = 19; | |
1721 | ||
1722 | /* Opening port */ | |
1723 | if (reset_port == 1) { | |
1724 | msg._txOn = 1; | |
1725 | msg._txOff = 0; | |
1726 | msg.txFlush = 0; | |
1727 | msg.txBreak = 0; | |
1728 | msg.rxOn = 1; | |
1729 | msg.rxOff = 0; | |
1730 | msg.rxFlush = 1; | |
1731 | msg.rxForward = 0; | |
1732 | msg.returnStatus = 0; | |
1733 | msg.resetDataToggle = 0xff; | |
1734 | } | |
1735 | ||
1736 | /* Closing port */ | |
1737 | else if (reset_port == 2) { | |
1738 | msg._txOn = 0; | |
1739 | msg._txOff = 1; | |
1740 | msg.txFlush = 0; | |
1741 | msg.txBreak = 0; | |
1742 | msg.rxOn = 0; | |
1743 | msg.rxOff = 1; | |
1744 | msg.rxFlush = 1; | |
1745 | msg.rxForward = 0; | |
1746 | msg.returnStatus = 0; | |
1747 | msg.resetDataToggle = 0; | |
1748 | } | |
1749 | ||
1750 | /* Sending intermediate configs */ | |
1751 | else { | |
deb91685 | 1752 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1753 | msg._txOff = 0; |
1754 | msg.txFlush = 0; | |
1755 | msg.txBreak = (p_priv->break_on); | |
1756 | msg.rxOn = 0; | |
1757 | msg.rxOff = 0; | |
1758 | msg.rxFlush = 0; | |
1759 | msg.rxForward = 0; | |
1760 | msg.returnStatus = 0; | |
1761 | msg.resetDataToggle = 0x0; | |
1762 | } | |
1763 | ||
deb91685 | 1764 | /* Do handshaking outputs */ |
1da177e4 LT |
1765 | msg.setTxTriState_setRts = 0xff; |
1766 | msg.txTriState_rts = p_priv->rts_state; | |
1767 | ||
1768 | msg.setHskoa_setDtr = 0xff; | |
1769 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1770 | |
1da177e4 | 1771 | p_priv->resend_cont = 0; |
deb91685 AC |
1772 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1773 | ||
1da177e4 LT |
1774 | /* send the data out the device on control endpoint */ |
1775 | this_urb->transfer_buffer_length = sizeof(msg); | |
1776 | ||
deb91685 AC |
1777 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1778 | if (err != 0) | |
049c6b4e | 1779 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 LT |
1780 | #if 0 |
1781 | else { | |
049c6b4e GKH |
1782 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__ |
1783 | outcont_urb, this_urb->transfer_buffer_length, | |
1784 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
1785 | } |
1786 | #endif | |
1787 | ||
a5b6f60c | 1788 | return 0; |
1da177e4 LT |
1789 | } |
1790 | ||
1791 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1792 | struct usb_serial_port *port, | |
1793 | int reset_port) | |
1794 | { | |
deb91685 | 1795 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1796 | struct keyspan_serial_private *s_priv; |
1797 | struct keyspan_port_private *p_priv; | |
1798 | const struct keyspan_device_details *d_details; | |
1799 | struct urb *this_urb; | |
1800 | int device_port, err; | |
1801 | ||
1da177e4 LT |
1802 | s_priv = usb_get_serial_data(serial); |
1803 | p_priv = usb_get_serial_port_data(port); | |
1804 | d_details = s_priv->device_details; | |
1805 | device_port = port->number - port->serial->minor; | |
1806 | ||
1807 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1808 | this_urb = p_priv->outcont_urb; |
1809 | if (this_urb == NULL) { | |
049c6b4e | 1810 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1811 | return -1; |
1812 | } | |
1813 | ||
1814 | /* Save reset port val for resend. | |
0ca1268e LM |
1815 | Don't overwrite resend for open/close condition. */ |
1816 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1817 | p_priv->resend_cont = reset_port + 1; |
1818 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1819 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 1820 | mdelay(5); |
deb91685 | 1821 | return -1; |
1da177e4 LT |
1822 | } |
1823 | ||
deb91685 | 1824 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
1825 | |
1826 | msg.setBaudRate = 1; | |
049c6b4e GKH |
1827 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1828 | &msg.baudHi, &msg.baudLo, NULL, | |
1829 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1830 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", | |
deb91685 | 1831 | __func__, p_priv->baud); |
1da177e4 LT |
1832 | msg.baudLo = 0xff; |
1833 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
1834 | } | |
1835 | ||
1836 | /* If parity is enabled, we must calculate it ourselves. */ | |
1837 | msg.parity = 0; /* XXX for now */ | |
1838 | ||
1839 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1840 | msg.xonFlowControl = 0; | |
1841 | ||
deb91685 | 1842 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
1843 | msg.rts = p_priv->rts_state; |
1844 | msg.dtr = p_priv->dtr_state; | |
1845 | ||
1846 | msg.forwardingLength = 16; | |
1847 | msg.forwardMs = 10; | |
1848 | msg.breakThreshold = 45; | |
1849 | msg.xonChar = 17; | |
1850 | msg.xoffChar = 19; | |
1851 | ||
1852 | /*msg.returnStatus = 1; | |
1853 | msg.resetDataToggle = 0xff;*/ | |
1854 | /* Opening port */ | |
1855 | if (reset_port == 1) { | |
1856 | msg._txOn = 1; | |
1857 | msg._txOff = 0; | |
1858 | msg.txFlush = 0; | |
1859 | msg.txForceXoff = 0; | |
1860 | msg.txBreak = 0; | |
1861 | msg.rxOn = 1; | |
1862 | msg.rxOff = 0; | |
1863 | msg.rxFlush = 1; | |
1864 | msg.rxForward = 0; | |
1865 | msg.returnStatus = 0; | |
1866 | msg.resetDataToggle = 0xff; | |
1867 | } | |
1868 | /* Closing port */ | |
1869 | else if (reset_port == 2) { | |
1870 | msg._txOn = 0; | |
1871 | msg._txOff = 1; | |
1872 | msg.txFlush = 0; | |
1873 | msg.txForceXoff = 0; | |
1874 | msg.txBreak = 0; | |
1875 | msg.rxOn = 0; | |
1876 | msg.rxOff = 1; | |
1877 | msg.rxFlush = 1; | |
1878 | msg.rxForward = 0; | |
1879 | msg.returnStatus = 0; | |
1880 | msg.resetDataToggle = 0; | |
1881 | } | |
1882 | /* Sending intermediate configs */ | |
1883 | else { | |
deb91685 | 1884 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1885 | msg._txOff = 0; |
1886 | msg.txFlush = 0; | |
1887 | msg.txForceXoff = 0; | |
1888 | msg.txBreak = (p_priv->break_on); | |
1889 | msg.rxOn = 0; | |
1890 | msg.rxOff = 0; | |
1891 | msg.rxFlush = 0; | |
1892 | msg.rxForward = 0; | |
1893 | msg.returnStatus = 0; | |
1894 | msg.resetDataToggle = 0x0; | |
1895 | } | |
1896 | ||
1897 | p_priv->resend_cont = 0; | |
deb91685 | 1898 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
1899 | |
1900 | /* send the data out the device on control endpoint */ | |
1901 | this_urb->transfer_buffer_length = sizeof(msg); | |
1902 | ||
deb91685 AC |
1903 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1904 | if (err != 0) | |
049c6b4e | 1905 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
1da177e4 LT |
1906 | #if 0 |
1907 | else { | |
049c6b4e | 1908 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) OK %d bytes\n", __func__, |
1da177e4 LT |
1909 | this_urb->transfer_buffer_length); |
1910 | } | |
1911 | #endif | |
1912 | ||
a5b6f60c | 1913 | return 0; |
1da177e4 LT |
1914 | } |
1915 | ||
1916 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
1917 | struct usb_serial_port *port, | |
1918 | int reset_port) | |
1919 | { | |
0ca1268e LM |
1920 | struct keyspan_usa49_portControlMessage msg; |
1921 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
1922 | struct keyspan_serial_private *s_priv; |
1923 | struct keyspan_port_private *p_priv; | |
1924 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1925 | struct urb *this_urb; |
1926 | int err, device_port; | |
1927 | ||
1da177e4 LT |
1928 | s_priv = usb_get_serial_data(serial); |
1929 | p_priv = usb_get_serial_port_data(port); | |
1930 | d_details = s_priv->device_details; | |
1931 | ||
1da177e4 LT |
1932 | this_urb = s_priv->glocont_urb; |
1933 | ||
0ca1268e | 1934 | /* Work out which port within the device is being setup */ |
1da177e4 LT |
1935 | device_port = port->number - port->serial->minor; |
1936 | ||
d866150a | 1937 | /* Make sure we have an urb then send the message */ |
1da177e4 | 1938 | if (this_urb == NULL) { |
049c6b4e | 1939 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, port->number); |
1da177e4 LT |
1940 | return -1; |
1941 | } | |
1942 | ||
049c6b4e GKH |
1943 | dev_dbg(&port->dev, "%s - endpoint %d port %d (%d)\n", |
1944 | __func__, usb_pipeendpoint(this_urb->pipe), | |
1945 | port->number, device_port); | |
d866150a | 1946 | |
1da177e4 | 1947 | /* Save reset port val for resend. |
0ca1268e LM |
1948 | Don't overwrite resend for open/close condition. */ |
1949 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 1950 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 1951 | |
1da177e4 | 1952 | if (this_urb->status == -EINPROGRESS) { |
049c6b4e | 1953 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1954 | mdelay(5); |
deb91685 | 1955 | return -1; |
1da177e4 LT |
1956 | } |
1957 | ||
deb91685 | 1958 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 LT |
1959 | |
1960 | /*msg.portNumber = port->number;*/ | |
1961 | msg.portNumber = device_port; | |
deb91685 AC |
1962 | |
1963 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1964 | if (p_priv->old_baud != p_priv->baud) { |
1965 | p_priv->old_baud = p_priv->baud; | |
1966 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1967 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1968 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1969 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1970 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1971 | __func__, p_priv->baud); | |
1da177e4 LT |
1972 | msg.baudLo = 0; |
1973 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1974 | msg.prescaler = 10; | |
1975 | } | |
deb91685 | 1976 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
1977 | } |
1978 | ||
2b982ab1 | 1979 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1980 | switch (p_priv->cflag & CSIZE) { |
1981 | case CS5: | |
1982 | msg.lcr |= USA_DATABITS_5; | |
1983 | break; | |
1984 | case CS6: | |
1985 | msg.lcr |= USA_DATABITS_6; | |
1986 | break; | |
1987 | case CS7: | |
1988 | msg.lcr |= USA_DATABITS_7; | |
1989 | break; | |
1990 | case CS8: | |
1991 | msg.lcr |= USA_DATABITS_8; | |
1992 | break; | |
1993 | } | |
1994 | if (p_priv->cflag & PARENB) { | |
1995 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1996 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1997 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1998 | } |
1999 | msg.setLcr = 0xff; | |
2000 | ||
2001 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2002 | msg.xonFlowControl = 0; | |
2003 | msg.setFlowControl = 0xff; | |
deb91685 | 2004 | |
1da177e4 LT |
2005 | msg.forwardingLength = 16; |
2006 | msg.xonChar = 17; | |
2007 | msg.xoffChar = 19; | |
2008 | ||
deb91685 | 2009 | /* Opening port */ |
1da177e4 LT |
2010 | if (reset_port == 1) { |
2011 | msg._txOn = 1; | |
2012 | msg._txOff = 0; | |
2013 | msg.txFlush = 0; | |
2014 | msg.txBreak = 0; | |
2015 | msg.rxOn = 1; | |
2016 | msg.rxOff = 0; | |
2017 | msg.rxFlush = 1; | |
2018 | msg.rxForward = 0; | |
2019 | msg.returnStatus = 0; | |
2020 | msg.resetDataToggle = 0xff; | |
2021 | msg.enablePort = 1; | |
2022 | msg.disablePort = 0; | |
2023 | } | |
2024 | /* Closing port */ | |
2025 | else if (reset_port == 2) { | |
2026 | msg._txOn = 0; | |
2027 | msg._txOff = 1; | |
2028 | msg.txFlush = 0; | |
2029 | msg.txBreak = 0; | |
2030 | msg.rxOn = 0; | |
2031 | msg.rxOff = 1; | |
2032 | msg.rxFlush = 1; | |
2033 | msg.rxForward = 0; | |
2034 | msg.returnStatus = 0; | |
2035 | msg.resetDataToggle = 0; | |
2036 | msg.enablePort = 0; | |
2037 | msg.disablePort = 1; | |
2038 | } | |
2039 | /* Sending intermediate configs */ | |
2040 | else { | |
deb91685 | 2041 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
2042 | msg._txOff = 0; |
2043 | msg.txFlush = 0; | |
2044 | msg.txBreak = (p_priv->break_on); | |
2045 | msg.rxOn = 0; | |
2046 | msg.rxOff = 0; | |
2047 | msg.rxFlush = 0; | |
2048 | msg.rxForward = 0; | |
2049 | msg.returnStatus = 0; | |
2050 | msg.resetDataToggle = 0x0; | |
2051 | msg.enablePort = 0; | |
2052 | msg.disablePort = 0; | |
2053 | } | |
2054 | ||
deb91685 | 2055 | /* Do handshaking outputs */ |
1da177e4 LT |
2056 | msg.setRts = 0xff; |
2057 | msg.rts = p_priv->rts_state; | |
2058 | ||
2059 | msg.setDtr = 0xff; | |
2060 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2061 | |
1da177e4 | 2062 | p_priv->resend_cont = 0; |
0ca1268e | 2063 | |
deb91685 AC |
2064 | /* if the device is a 49wg, we send control message on usb |
2065 | control EP 0 */ | |
0ca1268e LM |
2066 | |
2067 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
2068 | dr = (void *)(s_priv->ctrl_buf); | |
2069 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
2070 | dr->bRequest = 0xB0; /* 49wg control message */; | |
2071 | dr->wValue = 0; | |
2072 | dr->wIndex = 0; | |
2073 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2074 | ||
deb91685 | 2075 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 2076 | |
deb91685 AC |
2077 | usb_fill_control_urb(this_urb, serial->dev, |
2078 | usb_sndctrlpipe(serial->dev, 0), | |
2079 | (unsigned char *)dr, s_priv->glocont_buf, | |
2080 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
2081 | |
2082 | } else { | |
2083 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 2084 | |
0ca1268e LM |
2085 | /* send the data out the device on control endpoint */ |
2086 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 2087 | } |
deb91685 AC |
2088 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2089 | if (err != 0) | |
049c6b4e | 2090 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 LT |
2091 | #if 0 |
2092 | else { | |
049c6b4e GKH |
2093 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__, |
2094 | outcont_urb, this_urb->transfer_buffer_length, | |
2095 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
2096 | } |
2097 | #endif | |
2098 | ||
a5b6f60c | 2099 | return 0; |
1da177e4 LT |
2100 | } |
2101 | ||
2102 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2103 | struct usb_serial_port *port, | |
2104 | int reset_port) | |
2105 | { | |
deb91685 | 2106 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
2107 | struct keyspan_serial_private *s_priv; |
2108 | struct keyspan_port_private *p_priv; | |
2109 | const struct keyspan_device_details *d_details; | |
2110 | struct urb *this_urb; | |
2111 | int err; | |
2112 | u8 prescaler; | |
2113 | ||
1da177e4 LT |
2114 | s_priv = usb_get_serial_data(serial); |
2115 | p_priv = usb_get_serial_port_data(port); | |
2116 | d_details = s_priv->device_details; | |
2117 | ||
2118 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2119 | this_urb = p_priv->outcont_urb; |
2120 | if (this_urb == NULL) { | |
049c6b4e | 2121 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2122 | return -1; |
2123 | } | |
2124 | ||
2125 | /* Save reset port val for resend. | |
2126 | Don't overwrite resend for open/close condition. */ | |
2127 | if ((reset_port + 1) > p_priv->resend_cont) | |
2128 | p_priv->resend_cont = reset_port + 1; | |
2129 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2130 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2131 | mdelay(5); |
deb91685 | 2132 | return -1; |
1da177e4 LT |
2133 | } |
2134 | ||
deb91685 | 2135 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2136 | |
deb91685 | 2137 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2138 | if (p_priv->old_baud != p_priv->baud) { |
2139 | p_priv->old_baud = p_priv->baud; | |
2140 | msg.setClocking = 0x01; | |
049c6b4e GKH |
2141 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2142 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { | |
2143 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2144 | __func__, p_priv->baud); | |
1da177e4 | 2145 | p_priv->baud = 9600; |
049c6b4e | 2146 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2147 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2148 | } | |
2149 | msg.setRxMode = 1; | |
2150 | msg.setTxMode = 1; | |
2151 | } | |
2152 | ||
2153 | /* modes must always be correctly specified */ | |
deb91685 | 2154 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2155 | msg.rxMode = RXMODE_DMA; |
2156 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2157 | } else { |
1da177e4 LT |
2158 | msg.rxMode = RXMODE_BYHAND; |
2159 | msg.txMode = TXMODE_BYHAND; | |
2160 | } | |
2161 | ||
2b982ab1 | 2162 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2163 | switch (p_priv->cflag & CSIZE) { |
2164 | case CS5: | |
2165 | msg.lcr |= USA_DATABITS_5; | |
2166 | break; | |
2167 | case CS6: | |
2168 | msg.lcr |= USA_DATABITS_6; | |
2169 | break; | |
2170 | case CS7: | |
2171 | msg.lcr |= USA_DATABITS_7; | |
2172 | break; | |
2173 | case CS8: | |
2174 | msg.lcr |= USA_DATABITS_8; | |
2175 | break; | |
2176 | } | |
2177 | if (p_priv->cflag & PARENB) { | |
2178 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2179 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2180 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2181 | } |
2182 | if (p_priv->old_cflag != p_priv->cflag) { | |
2183 | p_priv->old_cflag = p_priv->cflag; | |
2184 | msg.setLcr = 0x01; | |
2185 | } | |
2186 | ||
2187 | if (p_priv->flow_control == flow_cts) | |
2188 | msg.txFlowControl = TXFLOW_CTS; | |
2189 | msg.setTxFlowControl = 0x01; | |
2190 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2191 | |
1da177e4 | 2192 | msg.rxForwardingLength = 16; |
deb91685 | 2193 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2194 | msg.txAckSetting = 0; |
2195 | msg.xonChar = 17; | |
2196 | msg.xoffChar = 19; | |
2197 | ||
deb91685 | 2198 | /* Opening port */ |
1da177e4 LT |
2199 | if (reset_port == 1) { |
2200 | msg.portEnabled = 1; | |
2201 | msg.rxFlush = 1; | |
2202 | msg.txBreak = (p_priv->break_on); | |
2203 | } | |
2204 | /* Closing port */ | |
deb91685 | 2205 | else if (reset_port == 2) |
1da177e4 | 2206 | msg.portEnabled = 0; |
1da177e4 LT |
2207 | /* Sending intermediate configs */ |
2208 | else { | |
1f87158e | 2209 | msg.portEnabled = 1; |
1da177e4 LT |
2210 | msg.txBreak = (p_priv->break_on); |
2211 | } | |
2212 | ||
deb91685 | 2213 | /* Do handshaking outputs */ |
1da177e4 LT |
2214 | msg.setRts = 0x01; |
2215 | msg.rts = p_priv->rts_state; | |
2216 | ||
2217 | msg.setDtr = 0x01; | |
2218 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2219 | |
1da177e4 | 2220 | p_priv->resend_cont = 0; |
deb91685 AC |
2221 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2222 | ||
1da177e4 LT |
2223 | /* send the data out the device on control endpoint */ |
2224 | this_urb->transfer_buffer_length = sizeof(msg); | |
2225 | ||
deb91685 AC |
2226 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2227 | if (err != 0) | |
049c6b4e | 2228 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2229 | return 0; |
1da177e4 LT |
2230 | } |
2231 | ||
0ca1268e LM |
2232 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2233 | struct usb_serial_port *port, | |
2234 | int reset_port) | |
2235 | { | |
2236 | struct keyspan_usa67_portControlMessage msg; | |
2237 | struct keyspan_serial_private *s_priv; | |
2238 | struct keyspan_port_private *p_priv; | |
2239 | const struct keyspan_device_details *d_details; | |
2240 | struct urb *this_urb; | |
2241 | int err, device_port; | |
2242 | ||
0ca1268e LM |
2243 | s_priv = usb_get_serial_data(serial); |
2244 | p_priv = usb_get_serial_port_data(port); | |
2245 | d_details = s_priv->device_details; | |
2246 | ||
2247 | this_urb = s_priv->glocont_urb; | |
2248 | ||
2249 | /* Work out which port within the device is being setup */ | |
2250 | device_port = port->number - port->serial->minor; | |
2251 | ||
2252 | /* Make sure we have an urb then send the message */ | |
2253 | if (this_urb == NULL) { | |
049c6b4e | 2254 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, |
0ca1268e LM |
2255 | port->number); |
2256 | return -1; | |
2257 | } | |
2258 | ||
2259 | /* Save reset port val for resend. | |
2260 | Don't overwrite resend for open/close condition. */ | |
2261 | if ((reset_port + 1) > p_priv->resend_cont) | |
2262 | p_priv->resend_cont = reset_port + 1; | |
2263 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2264 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
0ca1268e | 2265 | mdelay(5); |
deb91685 | 2266 | return -1; |
0ca1268e LM |
2267 | } |
2268 | ||
2269 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2270 | ||
2271 | msg.port = device_port; | |
2272 | ||
2273 | /* Only set baud rate if it's changed */ | |
2274 | if (p_priv->old_baud != p_priv->baud) { | |
2275 | p_priv->old_baud = p_priv->baud; | |
2276 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2277 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2278 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2279 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2280 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2281 | __func__, p_priv->baud); | |
0ca1268e LM |
2282 | msg.baudLo = 0; |
2283 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2284 | msg.prescaler = 10; | |
2285 | } | |
2286 | msg.setPrescaler = 0xff; | |
2287 | } | |
2288 | ||
2289 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2290 | switch (p_priv->cflag & CSIZE) { | |
2291 | case CS5: | |
2292 | msg.lcr |= USA_DATABITS_5; | |
2293 | break; | |
2294 | case CS6: | |
2295 | msg.lcr |= USA_DATABITS_6; | |
2296 | break; | |
2297 | case CS7: | |
2298 | msg.lcr |= USA_DATABITS_7; | |
2299 | break; | |
2300 | case CS8: | |
2301 | msg.lcr |= USA_DATABITS_8; | |
2302 | break; | |
2303 | } | |
2304 | if (p_priv->cflag & PARENB) { | |
2305 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2306 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2307 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2308 | } |
2309 | msg.setLcr = 0xff; | |
2310 | ||
2311 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2312 | msg.xonFlowControl = 0; | |
2313 | msg.setFlowControl = 0xff; | |
2314 | msg.forwardingLength = 16; | |
2315 | msg.xonChar = 17; | |
2316 | msg.xoffChar = 19; | |
2317 | ||
2318 | if (reset_port == 1) { | |
2319 | /* Opening port */ | |
2320 | msg._txOn = 1; | |
2321 | msg._txOff = 0; | |
2322 | msg.txFlush = 0; | |
2323 | msg.txBreak = 0; | |
2324 | msg.rxOn = 1; | |
2325 | msg.rxOff = 0; | |
2326 | msg.rxFlush = 1; | |
2327 | msg.rxForward = 0; | |
2328 | msg.returnStatus = 0; | |
2329 | msg.resetDataToggle = 0xff; | |
2330 | } else if (reset_port == 2) { | |
2331 | /* Closing port */ | |
2332 | msg._txOn = 0; | |
2333 | msg._txOff = 1; | |
2334 | msg.txFlush = 0; | |
2335 | msg.txBreak = 0; | |
2336 | msg.rxOn = 0; | |
2337 | msg.rxOff = 1; | |
2338 | msg.rxFlush = 1; | |
2339 | msg.rxForward = 0; | |
2340 | msg.returnStatus = 0; | |
2341 | msg.resetDataToggle = 0; | |
2342 | } else { | |
2343 | /* Sending intermediate configs */ | |
deb91685 | 2344 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2345 | msg._txOff = 0; |
2346 | msg.txFlush = 0; | |
2347 | msg.txBreak = (p_priv->break_on); | |
2348 | msg.rxOn = 0; | |
2349 | msg.rxOff = 0; | |
2350 | msg.rxFlush = 0; | |
2351 | msg.rxForward = 0; | |
2352 | msg.returnStatus = 0; | |
2353 | msg.resetDataToggle = 0x0; | |
2354 | } | |
2355 | ||
2356 | /* Do handshaking outputs */ | |
2357 | msg.setTxTriState_setRts = 0xff; | |
2358 | msg.txTriState_rts = p_priv->rts_state; | |
2359 | ||
2360 | msg.setHskoa_setDtr = 0xff; | |
2361 | msg.hskoa_dtr = p_priv->dtr_state; | |
2362 | ||
2363 | p_priv->resend_cont = 0; | |
2364 | ||
2365 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2366 | ||
2367 | /* send the data out the device on control endpoint */ | |
2368 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2369 | |
2370 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2371 | if (err != 0) | |
049c6b4e | 2372 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2373 | return 0; |
0ca1268e LM |
2374 | } |
2375 | ||
1da177e4 LT |
2376 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2377 | { | |
2378 | struct usb_serial *serial = port->serial; | |
2379 | struct keyspan_serial_private *s_priv; | |
2380 | const struct keyspan_device_details *d_details; | |
2381 | ||
1da177e4 LT |
2382 | s_priv = usb_get_serial_data(serial); |
2383 | d_details = s_priv->device_details; | |
2384 | ||
2385 | switch (d_details->msg_format) { | |
2386 | case msg_usa26: | |
2387 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2388 | break; | |
2389 | case msg_usa28: | |
2390 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2391 | break; | |
2392 | case msg_usa49: | |
2393 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2394 | break; | |
2395 | case msg_usa90: | |
2396 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2397 | break; | |
0ca1268e LM |
2398 | case msg_usa67: |
2399 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2400 | break; | |
1da177e4 LT |
2401 | } |
2402 | } | |
2403 | ||
2404 | ||
2405 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2406 | and renumeration has taken place. */ | |
deb91685 | 2407 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2408 | { |
2409 | int i, err; | |
2410 | struct usb_serial_port *port; | |
2411 | struct keyspan_serial_private *s_priv; | |
2412 | struct keyspan_port_private *p_priv; | |
2413 | const struct keyspan_device_details *d_details; | |
2414 | ||
1da177e4 | 2415 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2416 | if (d_details->product_id == |
2417 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2418 | break; |
2419 | if (d_details == NULL) { | |
deb91685 AC |
2420 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2421 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1da177e4 LT |
2422 | return 1; |
2423 | } | |
2424 | ||
2425 | /* Setup private data for serial driver */ | |
80b6ca48 | 2426 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2427 | if (!s_priv) { |
049c6b4e | 2428 | dev_dbg(&serial->dev->dev, "%s - kmalloc for keyspan_serial_private failed.\n", __func__); |
1da177e4 LT |
2429 | return -ENOMEM; |
2430 | } | |
1da177e4 LT |
2431 | |
2432 | s_priv->device_details = d_details; | |
2433 | usb_set_serial_data(serial, s_priv); | |
2434 | ||
2435 | /* Now setup per port private data */ | |
2436 | for (i = 0; i < serial->num_ports; i++) { | |
2437 | port = serial->port[i]; | |
deb91685 AC |
2438 | p_priv = kzalloc(sizeof(struct keyspan_port_private), |
2439 | GFP_KERNEL); | |
1da177e4 | 2440 | if (!p_priv) { |
049c6b4e | 2441 | dev_dbg(&port->dev, "%s - kmalloc for keyspan_port_private (%d) failed!.\n", __func__, i); |
deb91685 | 2442 | return 1; |
1da177e4 | 2443 | } |
1da177e4 LT |
2444 | p_priv->device_details = d_details; |
2445 | usb_set_serial_port_data(port, p_priv); | |
2446 | } | |
2447 | ||
2448 | keyspan_setup_urbs(serial); | |
2449 | ||
0ca1268e | 2450 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2451 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2452 | if (err != 0) | |
7ebcb334 | 2453 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
0ca1268e LM |
2454 | } |
2455 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2456 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2457 | if (err != 0) | |
7ebcb334 | 2458 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
1da177e4 | 2459 | } |
deb91685 | 2460 | |
a5b6f60c | 2461 | return 0; |
1da177e4 LT |
2462 | } |
2463 | ||
f9c99bb8 | 2464 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 LT |
2465 | { |
2466 | int i, j; | |
2467 | struct usb_serial_port *port; | |
2468 | struct keyspan_serial_private *s_priv; | |
2469 | struct keyspan_port_private *p_priv; | |
2470 | ||
1da177e4 LT |
2471 | s_priv = usb_get_serial_data(serial); |
2472 | ||
2473 | /* Stop reading/writing urbs */ | |
2474 | stop_urb(s_priv->instat_urb); | |
2475 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2476 | stop_urb(s_priv->indat_urb); |
1da177e4 LT |
2477 | for (i = 0; i < serial->num_ports; ++i) { |
2478 | port = serial->port[i]; | |
2479 | p_priv = usb_get_serial_port_data(port); | |
2480 | stop_urb(p_priv->inack_urb); | |
2481 | stop_urb(p_priv->outcont_urb); | |
2482 | for (j = 0; j < 2; j++) { | |
2483 | stop_urb(p_priv->in_urbs[j]); | |
2484 | stop_urb(p_priv->out_urbs[j]); | |
2485 | } | |
2486 | } | |
2487 | ||
2488 | /* Now free them */ | |
1cadc137 | 2489 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2490 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2491 | usb_free_urb(s_priv->glocont_urb); |
1da177e4 LT |
2492 | for (i = 0; i < serial->num_ports; ++i) { |
2493 | port = serial->port[i]; | |
2494 | p_priv = usb_get_serial_port_data(port); | |
1cadc137 MK |
2495 | usb_free_urb(p_priv->inack_urb); |
2496 | usb_free_urb(p_priv->outcont_urb); | |
1da177e4 | 2497 | for (j = 0; j < 2; j++) { |
1cadc137 MK |
2498 | usb_free_urb(p_priv->in_urbs[j]); |
2499 | usb_free_urb(p_priv->out_urbs[j]); | |
1da177e4 LT |
2500 | } |
2501 | } | |
f9c99bb8 AS |
2502 | } |
2503 | ||
2504 | static void keyspan_release(struct usb_serial *serial) | |
2505 | { | |
2506 | int i; | |
2507 | struct usb_serial_port *port; | |
2508 | struct keyspan_serial_private *s_priv; | |
2509 | ||
f9c99bb8 | 2510 | s_priv = usb_get_serial_data(serial); |
1da177e4 | 2511 | |
1da177e4 LT |
2512 | kfree(s_priv); |
2513 | ||
1da177e4 LT |
2514 | /* Now free per port private data */ |
2515 | for (i = 0; i < serial->num_ports; i++) { | |
2516 | port = serial->port[i]; | |
2517 | kfree(usb_get_serial_port_data(port)); | |
2518 | } | |
2519 | } | |
2520 | ||
deb91685 AC |
2521 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2522 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2523 | MODULE_LICENSE("GPL"); |
2524 | ||
2971c579 DW |
2525 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2526 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2527 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2528 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2529 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2530 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2531 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2532 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2533 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2534 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2535 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2536 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |