Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
deb91685 | 3 | |
1da177e4 LT |
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 6 | |
1da177e4 LT |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
631dd1a8 | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 13 | |
1da177e4 LT |
14 | Code in this driver inspired by and in a number of places taken |
15 | from Brian Warner's original Keyspan-PDA driver. | |
16 | ||
17 | This driver has been put together with the support of Innosys, Inc. | |
18 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. | |
19 | Thanks Guys :) | |
deb91685 | 20 | |
1da177e4 LT |
21 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
22 | of much nicer and/or completely new code and (perhaps most uniquely) | |
23 | having the patience to sit down and explain why and where he'd changed | |
deb91685 AC |
24 | stuff. |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 | 27 | staff in their work on open source projects. |
1da177e4 LT |
28 | */ |
29 | ||
30 | ||
1da177e4 LT |
31 | #include <linux/kernel.h> |
32 | #include <linux/jiffies.h> | |
33 | #include <linux/errno.h> | |
1da177e4 LT |
34 | #include <linux/slab.h> |
35 | #include <linux/tty.h> | |
36 | #include <linux/tty_driver.h> | |
37 | #include <linux/tty_flip.h> | |
38 | #include <linux/module.h> | |
39 | #include <linux/spinlock.h> | |
deb91685 | 40 | #include <linux/uaccess.h> |
1da177e4 | 41 | #include <linux/usb.h> |
a969888c | 42 | #include <linux/usb/serial.h> |
cc183e2a | 43 | #include <linux/usb/ezusb.h> |
1da177e4 LT |
44 | #include "keyspan.h" |
45 | ||
1da177e4 LT |
46 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
47 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
48 | ||
49 | #define INSTAT_BUFLEN 32 | |
50 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 51 | #define INDAT49W_BUFLEN 512 |
bad41a5b JH |
52 | #define IN_BUFLEN 64 |
53 | #define OUT_BUFLEN 64 | |
54 | #define INACK_BUFLEN 1 | |
55 | #define OUTCONT_BUFLEN 64 | |
1da177e4 LT |
56 | |
57 | /* Per device and per port private data */ | |
58 | struct keyspan_serial_private { | |
59 | const struct keyspan_device_details *device_details; | |
60 | ||
61 | struct urb *instat_urb; | |
2fcd1c9b | 62 | char *instat_buf; |
1da177e4 | 63 | |
deb91685 AC |
64 | /* added to support 49wg, where data from all 4 ports comes in |
65 | on 1 EP and high-speed supported */ | |
0ca1268e | 66 | struct urb *indat_urb; |
2fcd1c9b | 67 | char *indat_buf; |
0ca1268e | 68 | |
1da177e4 LT |
69 | /* XXX this one probably will need a lock */ |
70 | struct urb *glocont_urb; | |
2fcd1c9b JH |
71 | char *glocont_buf; |
72 | char *ctrl_buf; /* for EP0 control message */ | |
1da177e4 LT |
73 | }; |
74 | ||
75 | struct keyspan_port_private { | |
76 | /* Keep track of which input & output endpoints to use */ | |
77 | int in_flip; | |
78 | int out_flip; | |
79 | ||
80 | /* Keep duplicate of device details in each port | |
81 | structure as well - simplifies some of the | |
82 | callback functions etc. */ | |
83 | const struct keyspan_device_details *device_details; | |
84 | ||
85 | /* Input endpoints and buffer for this port */ | |
86 | struct urb *in_urbs[2]; | |
bad41a5b | 87 | char *in_buffer[2]; |
1da177e4 LT |
88 | /* Output endpoints and buffer for this port */ |
89 | struct urb *out_urbs[2]; | |
bad41a5b | 90 | char *out_buffer[2]; |
1da177e4 LT |
91 | |
92 | /* Input ack endpoint */ | |
93 | struct urb *inack_urb; | |
bad41a5b | 94 | char *inack_buffer; |
1da177e4 LT |
95 | |
96 | /* Output control endpoint */ | |
97 | struct urb *outcont_urb; | |
bad41a5b | 98 | char *outcont_buffer; |
1da177e4 LT |
99 | |
100 | /* Settings for the port */ | |
101 | int baud; | |
102 | int old_baud; | |
103 | unsigned int cflag; | |
104 | unsigned int old_cflag; | |
105 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
106 | int rts_state; /* Handshaking pins (outputs) */ | |
107 | int dtr_state; | |
108 | int cts_state; /* Handshaking pins (inputs) */ | |
109 | int dsr_state; | |
110 | int dcd_state; | |
111 | int ri_state; | |
112 | int break_on; | |
113 | ||
114 | unsigned long tx_start_time[2]; | |
115 | int resend_cont; /* need to resend control packet */ | |
116 | }; | |
117 | ||
1da177e4 | 118 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 119 | make use of one of five message formats which are referred |
deb91685 AC |
120 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
121 | within this driver. */ | |
1da177e4 LT |
122 | #include "keyspan_usa26msg.h" |
123 | #include "keyspan_usa28msg.h" | |
124 | #include "keyspan_usa49msg.h" | |
125 | #include "keyspan_usa90msg.h" | |
0ca1268e | 126 | #include "keyspan_usa67msg.h" |
deb91685 | 127 | |
1da177e4 | 128 | |
68e24113 | 129 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
1da177e4 | 130 | |
95da310e | 131 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 132 | { |
95da310e | 133 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
134 | struct keyspan_port_private *p_priv; |
135 | ||
1da177e4 LT |
136 | p_priv = usb_get_serial_port_data(port); |
137 | ||
138 | if (break_state == -1) | |
139 | p_priv->break_on = 1; | |
140 | else | |
141 | p_priv->break_on = 0; | |
142 | ||
143 | keyspan_send_setup(port, 0); | |
144 | } | |
145 | ||
146 | ||
deb91685 | 147 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 148 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
149 | { |
150 | int baud_rate, device_port; | |
151 | struct keyspan_port_private *p_priv; | |
152 | const struct keyspan_device_details *d_details; | |
153 | unsigned int cflag; | |
154 | ||
1da177e4 LT |
155 | p_priv = usb_get_serial_port_data(port); |
156 | d_details = p_priv->device_details; | |
adc8d746 | 157 | cflag = tty->termios.c_cflag; |
1143832e | 158 | device_port = port->port_number; |
1da177e4 LT |
159 | |
160 | /* Baud rate calculation takes baud rate as an integer | |
161 | so other rates can be generated if desired. */ | |
74240b07 | 162 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 163 | /* If no match or invalid, don't change */ |
049c6b4e | 164 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
1da177e4 LT |
165 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
166 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
cd8c5053 | 167 | /* FIXME - calculate exact rate from divisor ? */ |
1da177e4 | 168 | p_priv->baud = baud_rate; |
74240b07 AC |
169 | } else |
170 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 171 | |
74240b07 | 172 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
173 | /* set CTS/RTS handshake etc. */ |
174 | p_priv->cflag = cflag; | |
2b982ab1 | 175 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 176 | |
74240b07 | 177 | /* Mark/Space not supported */ |
adc8d746 | 178 | tty->termios.c_cflag &= ~CMSPAR; |
74240b07 | 179 | |
1da177e4 LT |
180 | keyspan_send_setup(port, 0); |
181 | } | |
182 | ||
60b33c13 | 183 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 184 | { |
95da310e AC |
185 | struct usb_serial_port *port = tty->driver_data; |
186 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 187 | unsigned int value; |
deb91685 | 188 | |
1da177e4 LT |
189 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
190 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
191 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
192 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
193 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 194 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
195 | |
196 | return value; | |
197 | } | |
198 | ||
20b9d177 | 199 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
200 | unsigned int set, unsigned int clear) |
201 | { | |
95da310e AC |
202 | struct usb_serial_port *port = tty->driver_data; |
203 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 204 | |
1da177e4 LT |
205 | if (set & TIOCM_RTS) |
206 | p_priv->rts_state = 1; | |
207 | if (set & TIOCM_DTR) | |
208 | p_priv->dtr_state = 1; | |
1da177e4 LT |
209 | if (clear & TIOCM_RTS) |
210 | p_priv->rts_state = 0; | |
211 | if (clear & TIOCM_DTR) | |
212 | p_priv->dtr_state = 0; | |
213 | keyspan_send_setup(port, 0); | |
214 | return 0; | |
215 | } | |
216 | ||
95da310e AC |
217 | /* Write function is similar for the four protocols used |
218 | with only a minor change for usa90 (usa19hs) required */ | |
219 | static int keyspan_write(struct tty_struct *tty, | |
220 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
221 | { |
222 | struct keyspan_port_private *p_priv; | |
223 | const struct keyspan_device_details *d_details; | |
224 | int flip; | |
225 | int left, todo; | |
226 | struct urb *this_urb; | |
deb91685 | 227 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
228 | |
229 | p_priv = usb_get_serial_port_data(port); | |
230 | d_details = p_priv->device_details; | |
231 | ||
232 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 233 | maxDataLen = 64; |
1da177e4 LT |
234 | dataOffset = 0; |
235 | } else { | |
236 | maxDataLen = 63; | |
237 | dataOffset = 1; | |
238 | } | |
deb91685 | 239 | |
1143832e GKH |
240 | dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, |
241 | p_priv->out_flip); | |
1da177e4 LT |
242 | |
243 | for (left = count; left > 0; left -= todo) { | |
244 | todo = left; | |
245 | if (todo > maxDataLen) | |
246 | todo = maxDataLen; | |
247 | ||
248 | flip = p_priv->out_flip; | |
deb91685 | 249 | |
1da177e4 | 250 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
251 | this_urb = p_priv->out_urbs[flip]; |
252 | if (this_urb == NULL) { | |
1da177e4 | 253 | /* no bulk out, so return 0 bytes written */ |
049c6b4e | 254 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
1da177e4 LT |
255 | return count; |
256 | } | |
257 | ||
049c6b4e | 258 | dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", |
deb91685 | 259 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
260 | |
261 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
262 | if (time_before(jiffies, |
263 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 264 | break; |
1da177e4 LT |
265 | usb_unlink_urb(this_urb); |
266 | break; | |
267 | } | |
268 | ||
deb91685 AC |
269 | /* First byte in buffer is "last flag" (except for usa19hx) |
270 | - unused so for now so set to zero */ | |
1da177e4 LT |
271 | ((char *)this_urb->transfer_buffer)[0] = 0; |
272 | ||
deb91685 | 273 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
274 | buf += todo; |
275 | ||
276 | /* send the data out the bulk port */ | |
277 | this_urb->transfer_buffer_length = todo + dataOffset; | |
278 | ||
deb91685 AC |
279 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
280 | if (err != 0) | |
049c6b4e | 281 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
1da177e4 LT |
282 | p_priv->tx_start_time[flip] = jiffies; |
283 | ||
284 | /* Flip for next time if usa26 or usa28 interface | |
285 | (not used on usa49) */ | |
286 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
287 | } | |
288 | ||
289 | return count - left; | |
290 | } | |
291 | ||
7d12e780 | 292 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
293 | { |
294 | int i, err; | |
295 | int endpoint; | |
296 | struct usb_serial_port *port; | |
1da177e4 | 297 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 298 | int status = urb->status; |
1da177e4 | 299 | |
1da177e4 LT |
300 | endpoint = usb_pipeendpoint(urb->pipe); |
301 | ||
95b93454 | 302 | if (status) { |
a8ffa0be | 303 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
049c6b4e | 304 | __func__, status, endpoint); |
1da177e4 LT |
305 | return; |
306 | } | |
307 | ||
cdc97792 | 308 | port = urb->context; |
2e124b4a | 309 | if (urb->actual_length) { |
1da177e4 LT |
310 | /* 0x80 bit is error flag */ |
311 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
312 | /* no errors on individual bytes, only |
313 | possible overrun err */ | |
855515a6 JH |
314 | if (data[0] & RXERROR_OVERRUN) { |
315 | tty_insert_flip_char(&port->port, 0, | |
316 | TTY_OVERRUN); | |
317 | } | |
deb91685 | 318 | for (i = 1; i < urb->actual_length ; ++i) |
855515a6 JH |
319 | tty_insert_flip_char(&port->port, data[i], |
320 | TTY_NORMAL); | |
1da177e4 LT |
321 | } else { |
322 | /* some bytes had errors, every byte has status */ | |
049c6b4e | 323 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 | 324 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
5d1678a3 JH |
325 | int stat = data[i]; |
326 | int flag = TTY_NORMAL; | |
327 | ||
328 | if (stat & RXERROR_OVERRUN) { | |
329 | tty_insert_flip_char(&port->port, 0, | |
330 | TTY_OVERRUN); | |
331 | } | |
1da177e4 | 332 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
333 | if (stat & RXERROR_PARITY) |
334 | flag = TTY_PARITY; | |
335 | else if (stat & RXERROR_FRAMING) | |
336 | flag = TTY_FRAME; | |
337 | ||
92a19f9c JS |
338 | tty_insert_flip_char(&port->port, data[i+1], |
339 | flag); | |
1da177e4 LT |
340 | } |
341 | } | |
2e124b4a | 342 | tty_flip_buffer_push(&port->port); |
1da177e4 | 343 | } |
deb91685 AC |
344 | |
345 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
346 | err = usb_submit_urb(urb, GFP_ATOMIC); |
347 | if (err != 0) | |
049c6b4e | 348 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
349 | } |
350 | ||
deb91685 | 351 | /* Outdat handling is common for all devices */ |
7d12e780 | 352 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
353 | { |
354 | struct usb_serial_port *port; | |
355 | struct keyspan_port_private *p_priv; | |
356 | ||
cdc97792 | 357 | port = urb->context; |
1da177e4 | 358 | p_priv = usb_get_serial_port_data(port); |
049c6b4e | 359 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 360 | |
1f87158e | 361 | usb_serial_port_softint(port); |
1da177e4 LT |
362 | } |
363 | ||
7d12e780 | 364 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 365 | { |
1da177e4 LT |
366 | } |
367 | ||
7d12e780 | 368 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
369 | { |
370 | struct usb_serial_port *port; | |
371 | struct keyspan_port_private *p_priv; | |
372 | ||
cdc97792 | 373 | port = urb->context; |
1da177e4 LT |
374 | p_priv = usb_get_serial_port_data(port); |
375 | ||
376 | if (p_priv->resend_cont) { | |
049c6b4e | 377 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
378 | keyspan_usa26_send_setup(port->serial, port, |
379 | p_priv->resend_cont - 1); | |
1da177e4 LT |
380 | } |
381 | } | |
382 | ||
7d12e780 | 383 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
384 | { |
385 | unsigned char *data = urb->transfer_buffer; | |
386 | struct keyspan_usa26_portStatusMessage *msg; | |
387 | struct usb_serial *serial; | |
388 | struct usb_serial_port *port; | |
389 | struct keyspan_port_private *p_priv; | |
390 | int old_dcd_state, err; | |
95b93454 | 391 | int status = urb->status; |
1da177e4 | 392 | |
cdc97792 | 393 | serial = urb->context; |
1da177e4 | 394 | |
95b93454 | 395 | if (status) { |
049c6b4e | 396 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
397 | return; |
398 | } | |
399 | if (urb->actual_length != 9) { | |
049c6b4e | 400 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
401 | goto exit; |
402 | } | |
403 | ||
404 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
405 | ||
deb91685 | 406 | /* Check port number from message and retrieve private data */ |
1da177e4 | 407 | if (msg->port >= serial->num_ports) { |
049c6b4e | 408 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
409 | goto exit; |
410 | } | |
411 | port = serial->port[msg->port]; | |
412 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
413 | if (!p_priv) |
414 | goto resubmit; | |
deb91685 | 415 | |
1da177e4 LT |
416 | /* Update handshaking pin state information */ |
417 | old_dcd_state = p_priv->dcd_state; | |
418 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
419 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
420 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
421 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
422 | ||
aa27a094 JS |
423 | if (old_dcd_state != p_priv->dcd_state) |
424 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 425 | resubmit: |
1da177e4 | 426 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
427 | err = usb_submit_urb(urb, GFP_ATOMIC); |
428 | if (err != 0) | |
049c6b4e | 429 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
430 | exit: ; |
431 | } | |
432 | ||
7d12e780 | 433 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 434 | { |
1da177e4 LT |
435 | } |
436 | ||
437 | ||
7d12e780 | 438 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 439 | { |
f035a8ad | 440 | int err; |
1da177e4 | 441 | struct usb_serial_port *port; |
1da177e4 LT |
442 | unsigned char *data; |
443 | struct keyspan_port_private *p_priv; | |
95b93454 | 444 | int status = urb->status; |
1da177e4 | 445 | |
cdc97792 | 446 | port = urb->context; |
1da177e4 LT |
447 | p_priv = usb_get_serial_port_data(port); |
448 | data = urb->transfer_buffer; | |
449 | ||
450 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
451 | return; | |
452 | ||
453 | do { | |
95b93454 | 454 | if (status) { |
049c6b4e GKH |
455 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
456 | __func__, status, usb_pipeendpoint(urb->pipe)); | |
1da177e4 LT |
457 | return; |
458 | } | |
459 | ||
cdc97792 | 460 | port = urb->context; |
1da177e4 LT |
461 | p_priv = usb_get_serial_port_data(port); |
462 | data = urb->transfer_buffer; | |
463 | ||
2e124b4a | 464 | if (urb->actual_length) { |
05c7cd39 JS |
465 | tty_insert_flip_string(&port->port, data, |
466 | urb->actual_length); | |
2e124b4a | 467 | tty_flip_buffer_push(&port->port); |
1da177e4 LT |
468 | } |
469 | ||
470 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
471 | err = usb_submit_urb(urb, GFP_ATOMIC); |
472 | if (err != 0) | |
049c6b4e | 473 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
1f87158e | 474 | __func__, err); |
1da177e4 LT |
475 | p_priv->in_flip ^= 1; |
476 | ||
477 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
478 | } while (urb->status != -EINPROGRESS); | |
479 | } | |
480 | ||
7d12e780 | 481 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 482 | { |
1da177e4 LT |
483 | } |
484 | ||
7d12e780 | 485 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
486 | { |
487 | struct usb_serial_port *port; | |
488 | struct keyspan_port_private *p_priv; | |
489 | ||
cdc97792 | 490 | port = urb->context; |
1da177e4 LT |
491 | p_priv = usb_get_serial_port_data(port); |
492 | ||
493 | if (p_priv->resend_cont) { | |
049c6b4e | 494 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
495 | keyspan_usa28_send_setup(port->serial, port, |
496 | p_priv->resend_cont - 1); | |
1da177e4 LT |
497 | } |
498 | } | |
499 | ||
7d12e780 | 500 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
501 | { |
502 | int err; | |
503 | unsigned char *data = urb->transfer_buffer; | |
504 | struct keyspan_usa28_portStatusMessage *msg; | |
505 | struct usb_serial *serial; | |
506 | struct usb_serial_port *port; | |
507 | struct keyspan_port_private *p_priv; | |
508 | int old_dcd_state; | |
95b93454 | 509 | int status = urb->status; |
1da177e4 | 510 | |
cdc97792 | 511 | serial = urb->context; |
1da177e4 | 512 | |
95b93454 | 513 | if (status) { |
049c6b4e | 514 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
515 | return; |
516 | } | |
517 | ||
518 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
049c6b4e | 519 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
520 | goto exit; |
521 | } | |
522 | ||
deb91685 | 523 | msg = (struct keyspan_usa28_portStatusMessage *)data; |
1da177e4 | 524 | |
deb91685 | 525 | /* Check port number from message and retrieve private data */ |
1da177e4 | 526 | if (msg->port >= serial->num_ports) { |
049c6b4e | 527 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
528 | goto exit; |
529 | } | |
530 | port = serial->port[msg->port]; | |
531 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
532 | if (!p_priv) |
533 | goto resubmit; | |
deb91685 | 534 | |
1da177e4 LT |
535 | /* Update handshaking pin state information */ |
536 | old_dcd_state = p_priv->dcd_state; | |
537 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
538 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
539 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
540 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
541 | ||
aa27a094 JS |
542 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
543 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 544 | resubmit: |
1da177e4 | 545 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
546 | err = usb_submit_urb(urb, GFP_ATOMIC); |
547 | if (err != 0) | |
049c6b4e | 548 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
549 | exit: ; |
550 | } | |
551 | ||
7d12e780 | 552 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 553 | { |
1da177e4 LT |
554 | } |
555 | ||
556 | ||
7d12e780 | 557 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
558 | { |
559 | struct usb_serial *serial; | |
560 | struct usb_serial_port *port; | |
561 | struct keyspan_port_private *p_priv; | |
562 | int i; | |
563 | ||
cdc97792 | 564 | serial = urb->context; |
1da177e4 LT |
565 | for (i = 0; i < serial->num_ports; ++i) { |
566 | port = serial->port[i]; | |
567 | p_priv = usb_get_serial_port_data(port); | |
568 | ||
569 | if (p_priv->resend_cont) { | |
049c6b4e | 570 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
571 | keyspan_usa49_send_setup(serial, port, |
572 | p_priv->resend_cont - 1); | |
1da177e4 LT |
573 | break; |
574 | } | |
575 | } | |
576 | } | |
577 | ||
578 | /* This is actually called glostat in the Keyspan | |
579 | doco */ | |
7d12e780 | 580 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
581 | { |
582 | int err; | |
583 | unsigned char *data = urb->transfer_buffer; | |
584 | struct keyspan_usa49_portStatusMessage *msg; | |
585 | struct usb_serial *serial; | |
586 | struct usb_serial_port *port; | |
587 | struct keyspan_port_private *p_priv; | |
588 | int old_dcd_state; | |
95b93454 | 589 | int status = urb->status; |
1da177e4 | 590 | |
cdc97792 | 591 | serial = urb->context; |
1da177e4 | 592 | |
95b93454 | 593 | if (status) { |
049c6b4e | 594 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
595 | return; |
596 | } | |
597 | ||
deb91685 AC |
598 | if (urb->actual_length != |
599 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
049c6b4e | 600 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
601 | goto exit; |
602 | } | |
603 | ||
1da177e4 LT |
604 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
605 | ||
deb91685 | 606 | /* Check port number from message and retrieve private data */ |
1da177e4 | 607 | if (msg->portNumber >= serial->num_ports) { |
049c6b4e GKH |
608 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
609 | __func__, msg->portNumber); | |
1da177e4 LT |
610 | goto exit; |
611 | } | |
612 | port = serial->port[msg->portNumber]; | |
613 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
614 | if (!p_priv) |
615 | goto resubmit; | |
deb91685 | 616 | |
1da177e4 LT |
617 | /* Update handshaking pin state information */ |
618 | old_dcd_state = p_priv->dcd_state; | |
619 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
620 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
621 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
622 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
623 | ||
aa27a094 JS |
624 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
625 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 626 | resubmit: |
deb91685 | 627 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
628 | err = usb_submit_urb(urb, GFP_ATOMIC); |
629 | if (err != 0) | |
049c6b4e | 630 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
631 | exit: ; |
632 | } | |
633 | ||
7d12e780 | 634 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 635 | { |
1da177e4 LT |
636 | } |
637 | ||
7d12e780 | 638 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
639 | { |
640 | int i, err; | |
641 | int endpoint; | |
642 | struct usb_serial_port *port; | |
1da177e4 | 643 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 644 | int status = urb->status; |
1da177e4 | 645 | |
1da177e4 LT |
646 | endpoint = usb_pipeendpoint(urb->pipe); |
647 | ||
95b93454 | 648 | if (status) { |
049c6b4e GKH |
649 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
650 | __func__, status, endpoint); | |
1da177e4 LT |
651 | return; |
652 | } | |
653 | ||
cdc97792 | 654 | port = urb->context; |
2e124b4a | 655 | if (urb->actual_length) { |
1da177e4 LT |
656 | /* 0x80 bit is error flag */ |
657 | if ((data[0] & 0x80) == 0) { | |
658 | /* no error on any byte */ | |
05c7cd39 | 659 | tty_insert_flip_string(&port->port, data + 1, |
f035a8ad | 660 | urb->actual_length - 1); |
1da177e4 LT |
661 | } else { |
662 | /* some bytes had errors, every byte has status */ | |
663 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
5d1678a3 JH |
664 | int stat = data[i]; |
665 | int flag = TTY_NORMAL; | |
666 | ||
667 | if (stat & RXERROR_OVERRUN) { | |
668 | tty_insert_flip_char(&port->port, 0, | |
669 | TTY_OVERRUN); | |
670 | } | |
1da177e4 | 671 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
672 | if (stat & RXERROR_PARITY) |
673 | flag = TTY_PARITY; | |
674 | else if (stat & RXERROR_FRAMING) | |
675 | flag = TTY_FRAME; | |
676 | ||
92a19f9c JS |
677 | tty_insert_flip_char(&port->port, data[i+1], |
678 | flag); | |
1da177e4 LT |
679 | } |
680 | } | |
2e124b4a | 681 | tty_flip_buffer_push(&port->port); |
1da177e4 | 682 | } |
deb91685 AC |
683 | |
684 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
685 | err = usb_submit_urb(urb, GFP_ATOMIC); |
686 | if (err != 0) | |
049c6b4e | 687 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
688 | } |
689 | ||
0ca1268e LM |
690 | static void usa49wg_indat_callback(struct urb *urb) |
691 | { | |
692 | int i, len, x, err; | |
693 | struct usb_serial *serial; | |
694 | struct usb_serial_port *port; | |
0ca1268e | 695 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 696 | int status = urb->status; |
0ca1268e | 697 | |
0ca1268e LM |
698 | serial = urb->context; |
699 | ||
95b93454 | 700 | if (status) { |
049c6b4e | 701 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
702 | return; |
703 | } | |
704 | ||
705 | /* inbound data is in the form P#, len, status, data */ | |
706 | i = 0; | |
707 | len = 0; | |
708 | ||
6a3ae841 | 709 | while (i < urb->actual_length) { |
0ca1268e | 710 | |
6a3ae841 DC |
711 | /* Check port number from message */ |
712 | if (data[i] >= serial->num_ports) { | |
713 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", | |
714 | __func__, data[i]); | |
715 | return; | |
716 | } | |
717 | port = serial->port[data[i++]]; | |
718 | len = data[i++]; | |
0ca1268e | 719 | |
6a3ae841 DC |
720 | /* 0x80 bit is error flag */ |
721 | if ((data[i] & 0x80) == 0) { | |
722 | /* no error on any byte */ | |
723 | i++; | |
01a60e76 | 724 | for (x = 1; x < len && i < urb->actual_length; ++x) |
6a3ae841 DC |
725 | tty_insert_flip_char(&port->port, |
726 | data[i++], 0); | |
727 | } else { | |
728 | /* | |
729 | * some bytes had errors, every byte has status | |
730 | */ | |
01a60e76 DC |
731 | for (x = 0; x + 1 < len && |
732 | i + 1 < urb->actual_length; x += 2) { | |
5d1678a3 JH |
733 | int stat = data[i]; |
734 | int flag = TTY_NORMAL; | |
6a3ae841 | 735 | |
5d1678a3 JH |
736 | if (stat & RXERROR_OVERRUN) { |
737 | tty_insert_flip_char(&port->port, 0, | |
738 | TTY_OVERRUN); | |
739 | } | |
6a3ae841 | 740 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
741 | if (stat & RXERROR_PARITY) |
742 | flag = TTY_PARITY; | |
743 | else if (stat & RXERROR_FRAMING) | |
744 | flag = TTY_FRAME; | |
745 | ||
6a3ae841 DC |
746 | tty_insert_flip_char(&port->port, data[i+1], |
747 | flag); | |
748 | i += 2; | |
0ca1268e | 749 | } |
0ca1268e | 750 | } |
6a3ae841 | 751 | tty_flip_buffer_push(&port->port); |
0ca1268e LM |
752 | } |
753 | ||
754 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
755 | err = usb_submit_urb(urb, GFP_ATOMIC); |
756 | if (err != 0) | |
049c6b4e | 757 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
758 | } |
759 | ||
1da177e4 | 760 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 761 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 762 | { |
1da177e4 LT |
763 | } |
764 | ||
0ca1268e | 765 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
766 | { |
767 | int i, err; | |
768 | int endpoint; | |
769 | struct usb_serial_port *port; | |
770 | struct keyspan_port_private *p_priv; | |
1da177e4 | 771 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 772 | int status = urb->status; |
1da177e4 | 773 | |
1da177e4 LT |
774 | endpoint = usb_pipeendpoint(urb->pipe); |
775 | ||
95b93454 | 776 | if (status) { |
049c6b4e | 777 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
441b62c1 | 778 | __func__, status, endpoint); |
1da177e4 LT |
779 | return; |
780 | } | |
781 | ||
cdc97792 | 782 | port = urb->context; |
1da177e4 LT |
783 | p_priv = usb_get_serial_port_data(port); |
784 | ||
1da177e4 | 785 | if (urb->actual_length) { |
1da177e4 | 786 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 787 | otherwise looks like usa26 data format */ |
1da177e4 | 788 | |
f035a8ad | 789 | if (p_priv->baud > 57600) |
05c7cd39 JS |
790 | tty_insert_flip_string(&port->port, data, |
791 | urb->actual_length); | |
f035a8ad | 792 | else { |
1da177e4 LT |
793 | /* 0x80 bit is error flag */ |
794 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
795 | /* no errors on individual bytes, only |
796 | possible overrun err*/ | |
855515a6 JH |
797 | if (data[0] & RXERROR_OVERRUN) { |
798 | tty_insert_flip_char(&port->port, 0, | |
799 | TTY_OVERRUN); | |
800 | } | |
deb91685 | 801 | for (i = 1; i < urb->actual_length ; ++i) |
92a19f9c | 802 | tty_insert_flip_char(&port->port, |
855515a6 | 803 | data[i], TTY_NORMAL); |
deb91685 | 804 | } else { |
1da177e4 | 805 | /* some bytes had errors, every byte has status */ |
049c6b4e | 806 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 | 807 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
5d1678a3 JH |
808 | int stat = data[i]; |
809 | int flag = TTY_NORMAL; | |
810 | ||
811 | if (stat & RXERROR_OVERRUN) { | |
812 | tty_insert_flip_char( | |
813 | &port->port, 0, | |
814 | TTY_OVERRUN); | |
815 | } | |
1da177e4 | 816 | /* XXX should handle break (0x10) */ |
5d1678a3 JH |
817 | if (stat & RXERROR_PARITY) |
818 | flag = TTY_PARITY; | |
819 | else if (stat & RXERROR_FRAMING) | |
820 | flag = TTY_FRAME; | |
821 | ||
92a19f9c JS |
822 | tty_insert_flip_char(&port->port, |
823 | data[i+1], flag); | |
1da177e4 LT |
824 | } |
825 | } | |
826 | } | |
2e124b4a | 827 | tty_flip_buffer_push(&port->port); |
1da177e4 | 828 | } |
deb91685 | 829 | |
1da177e4 | 830 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
831 | err = usb_submit_urb(urb, GFP_ATOMIC); |
832 | if (err != 0) | |
049c6b4e | 833 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
834 | } |
835 | ||
836 | ||
7d12e780 | 837 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
838 | { |
839 | unsigned char *data = urb->transfer_buffer; | |
840 | struct keyspan_usa90_portStatusMessage *msg; | |
841 | struct usb_serial *serial; | |
842 | struct usb_serial_port *port; | |
843 | struct keyspan_port_private *p_priv; | |
844 | int old_dcd_state, err; | |
95b93454 | 845 | int status = urb->status; |
1da177e4 | 846 | |
cdc97792 | 847 | serial = urb->context; |
1da177e4 | 848 | |
95b93454 | 849 | if (status) { |
049c6b4e | 850 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
851 | return; |
852 | } | |
853 | if (urb->actual_length < 14) { | |
049c6b4e | 854 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
855 | goto exit; |
856 | } | |
857 | ||
858 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
859 | ||
860 | /* Now do something useful with the data */ | |
861 | ||
862 | port = serial->port[0]; | |
863 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
864 | if (!p_priv) |
865 | goto resubmit; | |
deb91685 | 866 | |
1da177e4 LT |
867 | /* Update handshaking pin state information */ |
868 | old_dcd_state = p_priv->dcd_state; | |
869 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
870 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
871 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
872 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
873 | ||
aa27a094 JS |
874 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
875 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 876 | resubmit: |
1da177e4 | 877 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
878 | err = usb_submit_urb(urb, GFP_ATOMIC); |
879 | if (err != 0) | |
049c6b4e | 880 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
881 | exit: |
882 | ; | |
883 | } | |
884 | ||
7d12e780 | 885 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
886 | { |
887 | struct usb_serial_port *port; | |
888 | struct keyspan_port_private *p_priv; | |
889 | ||
cdc97792 | 890 | port = urb->context; |
1da177e4 LT |
891 | p_priv = usb_get_serial_port_data(port); |
892 | ||
893 | if (p_priv->resend_cont) { | |
049c6b4e | 894 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
895 | keyspan_usa90_send_setup(port->serial, port, |
896 | p_priv->resend_cont - 1); | |
1da177e4 LT |
897 | } |
898 | } | |
899 | ||
0ca1268e LM |
900 | /* Status messages from the 28xg */ |
901 | static void usa67_instat_callback(struct urb *urb) | |
902 | { | |
903 | int err; | |
904 | unsigned char *data = urb->transfer_buffer; | |
905 | struct keyspan_usa67_portStatusMessage *msg; | |
906 | struct usb_serial *serial; | |
907 | struct usb_serial_port *port; | |
908 | struct keyspan_port_private *p_priv; | |
909 | int old_dcd_state; | |
95b93454 | 910 | int status = urb->status; |
0ca1268e | 911 | |
0ca1268e LM |
912 | serial = urb->context; |
913 | ||
95b93454 | 914 | if (status) { |
049c6b4e | 915 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
916 | return; |
917 | } | |
918 | ||
deb91685 AC |
919 | if (urb->actual_length != |
920 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
049c6b4e | 921 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
0ca1268e LM |
922 | return; |
923 | } | |
924 | ||
925 | ||
926 | /* Now do something useful with the data */ | |
927 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
928 | ||
929 | /* Check port number from message and retrieve private data */ | |
930 | if (msg->port >= serial->num_ports) { | |
049c6b4e | 931 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
0ca1268e LM |
932 | return; |
933 | } | |
934 | ||
935 | port = serial->port[msg->port]; | |
936 | p_priv = usb_get_serial_port_data(port); | |
b5122236 JH |
937 | if (!p_priv) |
938 | goto resubmit; | |
0ca1268e LM |
939 | |
940 | /* Update handshaking pin state information */ | |
941 | old_dcd_state = p_priv->dcd_state; | |
942 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
943 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
944 | ||
aa27a094 JS |
945 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
946 | tty_port_tty_hangup(&port->port, true); | |
b5122236 | 947 | resubmit: |
0ca1268e | 948 | /* Resubmit urb so we continue receiving */ |
0ca1268e LM |
949 | err = usb_submit_urb(urb, GFP_ATOMIC); |
950 | if (err != 0) | |
049c6b4e | 951 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
952 | } |
953 | ||
954 | static void usa67_glocont_callback(struct urb *urb) | |
955 | { | |
956 | struct usb_serial *serial; | |
957 | struct usb_serial_port *port; | |
958 | struct keyspan_port_private *p_priv; | |
959 | int i; | |
960 | ||
0ca1268e LM |
961 | serial = urb->context; |
962 | for (i = 0; i < serial->num_ports; ++i) { | |
963 | port = serial->port[i]; | |
964 | p_priv = usb_get_serial_port_data(port); | |
965 | ||
966 | if (p_priv->resend_cont) { | |
049c6b4e | 967 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
0ca1268e LM |
968 | keyspan_usa67_send_setup(serial, port, |
969 | p_priv->resend_cont - 1); | |
970 | break; | |
971 | } | |
972 | } | |
973 | } | |
974 | ||
95da310e | 975 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 976 | { |
95da310e | 977 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
978 | struct keyspan_port_private *p_priv; |
979 | const struct keyspan_device_details *d_details; | |
980 | int flip; | |
981 | int data_len; | |
982 | struct urb *this_urb; | |
983 | ||
1da177e4 LT |
984 | p_priv = usb_get_serial_port_data(port); |
985 | d_details = p_priv->device_details; | |
986 | ||
a5b6f60c | 987 | /* FIXME: locking */ |
1da177e4 | 988 | if (d_details->msg_format == msg_usa90) |
deb91685 | 989 | data_len = 64; |
1da177e4 LT |
990 | else |
991 | data_len = 63; | |
992 | ||
993 | flip = p_priv->out_flip; | |
994 | ||
995 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
996 | this_urb = p_priv->out_urbs[flip]; |
997 | if (this_urb != NULL) { | |
1da177e4 | 998 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
999 | return data_len; |
1000 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1001 | this_urb = p_priv->out_urbs[flip]; | |
1002 | if (this_urb != NULL) { | |
1da177e4 | 1003 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1004 | return data_len; |
1005 | } | |
1da177e4 | 1006 | } |
a5b6f60c | 1007 | return 0; |
1da177e4 LT |
1008 | } |
1009 | ||
1010 | ||
a509a7e4 | 1011 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1012 | { |
f78ba157 | 1013 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1014 | const struct keyspan_device_details *d_details; |
1015 | int i, err; | |
f78ba157 | 1016 | int baud_rate, device_port; |
1da177e4 | 1017 | struct urb *urb; |
95da310e | 1018 | unsigned int cflag = 0; |
1da177e4 | 1019 | |
1da177e4 LT |
1020 | p_priv = usb_get_serial_port_data(port); |
1021 | d_details = p_priv->device_details; | |
7eea4364 | 1022 | |
1da177e4 LT |
1023 | /* Set some sane defaults */ |
1024 | p_priv->rts_state = 1; | |
1025 | p_priv->dtr_state = 1; | |
1026 | p_priv->baud = 9600; | |
1027 | ||
1028 | /* force baud and lcr to be set on open */ | |
1029 | p_priv->old_baud = 0; | |
1030 | p_priv->old_cflag = 0; | |
1031 | ||
1032 | p_priv->out_flip = 0; | |
1033 | p_priv->in_flip = 0; | |
1034 | ||
1035 | /* Reset low level data toggle and start reading from endpoints */ | |
1036 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1037 | urb = p_priv->in_urbs[i]; |
1038 | if (urb == NULL) | |
1da177e4 | 1039 | continue; |
1da177e4 | 1040 | |
deb91685 AC |
1041 | /* make sure endpoint data toggle is synchronized |
1042 | with the device */ | |
1da177e4 | 1043 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1044 | err = usb_submit_urb(urb, GFP_KERNEL); |
1045 | if (err != 0) | |
049c6b4e | 1046 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
1da177e4 LT |
1047 | } |
1048 | ||
1049 | /* Reset low level data toggle on out endpoints */ | |
1050 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1051 | urb = p_priv->out_urbs[i]; |
1052 | if (urb == NULL) | |
1da177e4 | 1053 | continue; |
deb91685 AC |
1054 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1055 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1056 | } |
1057 | ||
f78ba157 AM |
1058 | /* get the terminal config for the setup message now so we don't |
1059 | * need to send 2 of them */ | |
1060 | ||
1143832e | 1061 | device_port = port->port_number; |
95da310e | 1062 | if (tty) { |
adc8d746 | 1063 | cflag = tty->termios.c_cflag; |
95da310e AC |
1064 | /* Baud rate calculation takes baud rate as an integer |
1065 | so other rates can be generated if desired. */ | |
1066 | baud_rate = tty_get_baud_rate(tty); | |
1067 | /* If no match or invalid, leave as default */ | |
1068 | if (baud_rate >= 0 | |
049c6b4e | 1069 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
95da310e AC |
1070 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
1071 | p_priv->baud = baud_rate; | |
1072 | } | |
f78ba157 | 1073 | } |
f78ba157 AM |
1074 | /* set CTS/RTS handshake etc. */ |
1075 | p_priv->cflag = cflag; | |
2b982ab1 | 1076 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1077 | |
1078 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1079 | /* mdelay(100); */ |
1080 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1081 | |
a5b6f60c | 1082 | return 0; |
1da177e4 LT |
1083 | } |
1084 | ||
1085 | static inline void stop_urb(struct urb *urb) | |
1086 | { | |
242cf670 | 1087 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1088 | usb_kill_urb(urb); |
1da177e4 LT |
1089 | } |
1090 | ||
335f8514 AC |
1091 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1092 | { | |
1093 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1094 | ||
1095 | p_priv->rts_state = on; | |
1096 | p_priv->dtr_state = on; | |
1097 | keyspan_send_setup(port, 0); | |
1098 | } | |
1099 | ||
1100 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1101 | { |
1102 | int i; | |
1da177e4 LT |
1103 | struct keyspan_port_private *p_priv; |
1104 | ||
1da177e4 | 1105 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1106 | |
1da177e4 LT |
1107 | p_priv->rts_state = 0; |
1108 | p_priv->dtr_state = 0; | |
deb91685 | 1109 | |
80dfe0ce JH |
1110 | keyspan_send_setup(port, 2); |
1111 | /* pilot-xfer seems to work best with this delay */ | |
1112 | mdelay(100); | |
1da177e4 LT |
1113 | |
1114 | p_priv->out_flip = 0; | |
1115 | p_priv->in_flip = 0; | |
1116 | ||
80dfe0ce JH |
1117 | stop_urb(p_priv->inack_urb); |
1118 | for (i = 0; i < 2; i++) { | |
1119 | stop_urb(p_priv->in_urbs[i]); | |
1120 | stop_urb(p_priv->out_urbs[i]); | |
1da177e4 | 1121 | } |
1da177e4 LT |
1122 | } |
1123 | ||
deb91685 AC |
1124 | /* download the firmware to a pre-renumeration device */ |
1125 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 | 1126 | { |
8d733e26 | 1127 | char *fw_name; |
1da177e4 | 1128 | |
049c6b4e GKH |
1129 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
1130 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1131 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1132 | |
1133 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1134 | != 0x8000) { | |
049c6b4e | 1135 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
deb91685 | 1136 | return 1; |
1da177e4 LT |
1137 | } |
1138 | ||
1139 | /* Select firmware image on the basis of idProduct */ | |
1140 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1141 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1142 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1143 | break; |
1144 | ||
1145 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1146 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1147 | break; |
1148 | ||
1149 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1150 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1151 | break; |
1152 | ||
1153 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1154 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1155 | break; |
1156 | ||
1157 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1158 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1159 | break; |
deb91685 | 1160 | |
1da177e4 | 1161 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1162 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1163 | break; |
deb91685 | 1164 | |
1da177e4 | 1165 | case keyspan_mpr_pre_product_id: |
2971c579 | 1166 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1167 | break; |
1168 | ||
1169 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1170 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1171 | break; |
deb91685 | 1172 | |
1da177e4 | 1173 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1174 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1175 | break; |
deb91685 | 1176 | |
1da177e4 | 1177 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1178 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1179 | break; |
deb91685 | 1180 | |
1da177e4 | 1181 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1182 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1183 | break; |
1184 | ||
1185 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1186 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1187 | break; |
1188 | ||
1189 | default: | |
2971c579 DW |
1190 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1191 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1192 | return 1; | |
1da177e4 LT |
1193 | } |
1194 | ||
049c6b4e | 1195 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
1da177e4 | 1196 | |
8d733e26 RB |
1197 | if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { |
1198 | dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", | |
1199 | fw_name); | |
1200 | return -ENOENT; | |
1da177e4 | 1201 | } |
8d733e26 RB |
1202 | |
1203 | /* after downloading firmware Renumeration will occur in a | |
1204 | moment and the new device will bind to the real driver */ | |
1da177e4 LT |
1205 | |
1206 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1207 | return 1; |
1da177e4 LT |
1208 | } |
1209 | ||
1210 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1211 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1212 | int endpoint) | |
1213 | { | |
1214 | struct usb_host_interface *iface_desc; | |
1215 | struct usb_endpoint_descriptor *ep; | |
1216 | int i; | |
1217 | ||
1218 | iface_desc = serial->interface->cur_altsetting; | |
1219 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1220 | ep = &iface_desc->endpoint[i].desc; | |
1221 | if (ep->bEndpointAddress == endpoint) | |
1222 | return ep; | |
1223 | } | |
1224 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1225 | "endpoint %x\n", endpoint); | |
1226 | return NULL; | |
1227 | } | |
1228 | ||
deb91685 | 1229 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1230 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1231 | void (*callback)(struct urb *)) |
1da177e4 LT |
1232 | { |
1233 | struct urb *urb; | |
fdcba53e RW |
1234 | struct usb_endpoint_descriptor const *ep_desc; |
1235 | char const *ep_type_name; | |
1da177e4 LT |
1236 | |
1237 | if (endpoint == -1) | |
1238 | return NULL; /* endpoint not needed */ | |
1239 | ||
049c6b4e | 1240 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); |
1da177e4 | 1241 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
10c642d0 | 1242 | if (!urb) |
1da177e4 | 1243 | return NULL; |
1da177e4 | 1244 | |
0ca1268e LM |
1245 | if (endpoint == 0) { |
1246 | /* control EP filled in when used */ | |
1247 | return urb; | |
1248 | } | |
1249 | ||
fdcba53e RW |
1250 | ep_desc = find_ep(serial, endpoint); |
1251 | if (!ep_desc) { | |
1252 | /* leak the urb, something's wrong and the callers don't care */ | |
1253 | return urb; | |
1254 | } | |
1255 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1256 | ep_type_name = "INT"; | |
1257 | usb_fill_int_urb(urb, serial->dev, | |
1258 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1259 | buf, len, callback, ctx, | |
1260 | ep_desc->bInterval); | |
1261 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1262 | ep_type_name = "BULK"; | |
1263 | usb_fill_bulk_urb(urb, serial->dev, | |
1264 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1265 | buf, len, callback, ctx); | |
1266 | } else { | |
1267 | dev_warn(&serial->interface->dev, | |
1268 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1269 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1270 | usb_free_urb(urb); |
1271 | return NULL; | |
1272 | } | |
1da177e4 | 1273 | |
049c6b4e | 1274 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
fdcba53e | 1275 | __func__, urb, ep_type_name, endpoint); |
1da177e4 LT |
1276 | return urb; |
1277 | } | |
1278 | ||
1279 | static struct callbacks { | |
7d12e780 DH |
1280 | void (*instat_callback)(struct urb *); |
1281 | void (*glocont_callback)(struct urb *); | |
1282 | void (*indat_callback)(struct urb *); | |
1283 | void (*outdat_callback)(struct urb *); | |
1284 | void (*inack_callback)(struct urb *); | |
1285 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1286 | } keyspan_callbacks[] = { |
1287 | { | |
1288 | /* msg_usa26 callbacks */ | |
1289 | .instat_callback = usa26_instat_callback, | |
1290 | .glocont_callback = usa26_glocont_callback, | |
1291 | .indat_callback = usa26_indat_callback, | |
1292 | .outdat_callback = usa2x_outdat_callback, | |
1293 | .inack_callback = usa26_inack_callback, | |
1294 | .outcont_callback = usa26_outcont_callback, | |
1295 | }, { | |
1296 | /* msg_usa28 callbacks */ | |
1297 | .instat_callback = usa28_instat_callback, | |
1298 | .glocont_callback = usa28_glocont_callback, | |
1299 | .indat_callback = usa28_indat_callback, | |
1300 | .outdat_callback = usa2x_outdat_callback, | |
1301 | .inack_callback = usa28_inack_callback, | |
1302 | .outcont_callback = usa28_outcont_callback, | |
1303 | }, { | |
1304 | /* msg_usa49 callbacks */ | |
1305 | .instat_callback = usa49_instat_callback, | |
1306 | .glocont_callback = usa49_glocont_callback, | |
1307 | .indat_callback = usa49_indat_callback, | |
1308 | .outdat_callback = usa2x_outdat_callback, | |
1309 | .inack_callback = usa49_inack_callback, | |
1310 | .outcont_callback = usa49_outcont_callback, | |
1311 | }, { | |
1312 | /* msg_usa90 callbacks */ | |
1313 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1314 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1315 | .indat_callback = usa90_indat_callback, |
1316 | .outdat_callback = usa2x_outdat_callback, | |
1317 | .inack_callback = usa28_inack_callback, | |
1318 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1319 | }, { |
1320 | /* msg_usa67 callbacks */ | |
1321 | .instat_callback = usa67_instat_callback, | |
1322 | .glocont_callback = usa67_glocont_callback, | |
1323 | .indat_callback = usa26_indat_callback, | |
1324 | .outdat_callback = usa2x_outdat_callback, | |
1325 | .inack_callback = usa26_inack_callback, | |
1326 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1327 | } |
1328 | }; | |
1329 | ||
1330 | /* Generic setup urbs function that uses | |
1331 | data in device_details */ | |
1332 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1333 | { | |
1da177e4 LT |
1334 | struct keyspan_serial_private *s_priv; |
1335 | const struct keyspan_device_details *d_details; | |
1da177e4 | 1336 | struct callbacks *cback; |
1da177e4 | 1337 | |
1da177e4 LT |
1338 | s_priv = usb_get_serial_data(serial); |
1339 | d_details = s_priv->device_details; | |
1340 | ||
deb91685 | 1341 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1342 | cback = &keyspan_callbacks[d_details->msg_format]; |
1343 | ||
deb91685 AC |
1344 | /* Allocate and set up urbs for each one that is in use, |
1345 | starting with instat endpoints */ | |
1da177e4 LT |
1346 | s_priv->instat_urb = keyspan_setup_urb |
1347 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1348 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1349 | cback->instat_callback); | |
1350 | ||
0ca1268e LM |
1351 | s_priv->indat_urb = keyspan_setup_urb |
1352 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1353 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1354 | usa49wg_indat_callback); | |
1355 | ||
1da177e4 LT |
1356 | s_priv->glocont_urb = keyspan_setup_urb |
1357 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1358 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1359 | cback->glocont_callback); | |
1da177e4 LT |
1360 | } |
1361 | ||
1362 | /* usa19 function doesn't require prescaler */ | |
049c6b4e GKH |
1363 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
1364 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1365 | u8 *rate_low, u8 *prescaler, int portnum) |
1366 | { | |
1367 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1368 | div, /* divisor */ |
1da177e4 | 1369 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1370 | |
049c6b4e | 1371 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
deb91685 AC |
1372 | |
1373 | /* prevent divide by zero... */ | |
1374 | b16 = baud_rate * 16L; | |
1375 | if (b16 == 0) | |
1376 | return KEYSPAN_INVALID_BAUD_RATE; | |
1377 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1378 | as we run out of divisor resolution. */ | |
1379 | if (baud_rate > 57600) | |
1380 | return KEYSPAN_INVALID_BAUD_RATE; | |
1381 | ||
1382 | /* calculate the divisor and the counter (its inverse) */ | |
1383 | div = baudclk / b16; | |
1384 | if (div == 0) | |
1385 | return KEYSPAN_INVALID_BAUD_RATE; | |
1386 | else | |
1da177e4 | 1387 | cnt = 0 - div; |
1da177e4 | 1388 | |
deb91685 AC |
1389 | if (div > 0xffff) |
1390 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1391 | |
deb91685 AC |
1392 | /* return the counter values if non-null */ |
1393 | if (rate_low) | |
1da177e4 | 1394 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1395 | if (rate_hi) |
1da177e4 | 1396 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 | 1397 | if (rate_low && rate_hi) |
049c6b4e | 1398 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1399 | __func__, baud_rate, *rate_hi, *rate_low); |
1400 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1401 | } |
1402 | ||
1403 | /* usa19hs function doesn't require prescaler */ | |
049c6b4e GKH |
1404 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
1405 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1406 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1407 | { |
1408 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1409 | div; /* divisor */ |
1da177e4 | 1410 | |
049c6b4e | 1411 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1412 | |
deb91685 AC |
1413 | /* prevent divide by zero... */ |
1414 | b16 = baud_rate * 16L; | |
1415 | if (b16 == 0) | |
1416 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1417 | |
deb91685 AC |
1418 | /* calculate the divisor */ |
1419 | div = baudclk / b16; | |
1420 | if (div == 0) | |
1421 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1422 | |
deb91685 AC |
1423 | if (div > 0xffff) |
1424 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1425 | |
deb91685 AC |
1426 | /* return the counter values if non-null */ |
1427 | if (rate_low) | |
1da177e4 | 1428 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1429 | |
1430 | if (rate_hi) | |
1da177e4 | 1431 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1432 | |
1433 | if (rate_low && rate_hi) | |
049c6b4e | 1434 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1435 | __func__, baud_rate, *rate_hi, *rate_low); |
1436 | ||
1437 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1438 | } |
1439 | ||
049c6b4e GKH |
1440 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
1441 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1442 | u8 *rate_low, u8 *prescaler, int portnum) |
1443 | { | |
1444 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1445 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1446 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1447 | res, /* resulting baud rate using 13/8 prescaler */ |
1448 | diff, /* error using 13/8 prescaler */ | |
1449 | smallest_diff; | |
1450 | u8 best_prescaler; | |
1451 | int i; | |
1452 | ||
049c6b4e | 1453 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1454 | |
deb91685 AC |
1455 | /* prevent divide by zero */ |
1456 | b16 = baud_rate * 16L; | |
1457 | if (b16 == 0) | |
1458 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1459 | |
deb91685 AC |
1460 | /* Calculate prescaler by trying them all and looking |
1461 | for best fit */ | |
1462 | ||
1463 | /* start with largest possible difference */ | |
1da177e4 LT |
1464 | smallest_diff = 0xffffffff; |
1465 | ||
1466 | /* 0 is an invalid prescaler, used as a flag */ | |
1467 | best_prescaler = 0; | |
1468 | ||
deb91685 | 1469 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1470 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1471 | |
1472 | div = clk / b16; | |
1473 | if (div == 0) | |
1da177e4 | 1474 | continue; |
1da177e4 LT |
1475 | |
1476 | res = clk / div; | |
deb91685 | 1477 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1478 | |
deb91685 | 1479 | if (diff < smallest_diff) { |
1da177e4 LT |
1480 | best_prescaler = i; |
1481 | smallest_diff = diff; | |
1482 | } | |
1483 | } | |
1484 | ||
deb91685 AC |
1485 | if (best_prescaler == 0) |
1486 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1487 | |
1488 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1489 | div = clk / b16; | |
1490 | ||
deb91685 AC |
1491 | /* return the divisor and prescaler if non-null */ |
1492 | if (rate_low) | |
1da177e4 | 1493 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1494 | if (rate_hi) |
1da177e4 | 1495 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1496 | if (prescaler) { |
1497 | *prescaler = best_prescaler; | |
049c6b4e | 1498 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
1da177e4 | 1499 | } |
deb91685 | 1500 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1501 | } |
1502 | ||
1503 | /* USA-28 supports different maximum baud rates on each port */ | |
049c6b4e GKH |
1504 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
1505 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1506 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1507 | { |
1508 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1509 | div, /* divisor */ |
1da177e4 LT |
1510 | cnt; /* inverse of divisor (programmed into 8051) */ |
1511 | ||
049c6b4e | 1512 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 LT |
1513 | |
1514 | /* prevent divide by zero */ | |
deb91685 AC |
1515 | b16 = baud_rate * 16L; |
1516 | if (b16 == 0) | |
1517 | return KEYSPAN_INVALID_BAUD_RATE; | |
1518 | ||
1519 | /* calculate the divisor and the counter (its inverse) */ | |
1520 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1521 | if (div == 0) | |
1522 | return KEYSPAN_INVALID_BAUD_RATE; | |
1523 | else | |
1da177e4 | 1524 | cnt = 0 - div; |
1da177e4 | 1525 | |
deb91685 AC |
1526 | /* check for out of range, based on portnum, |
1527 | and return result */ | |
1528 | if (portnum == 0) { | |
1529 | if (div > 0xffff) | |
1530 | return KEYSPAN_INVALID_BAUD_RATE; | |
1531 | } else { | |
1532 | if (portnum == 1) { | |
1533 | if (div > 0xff) | |
1534 | return KEYSPAN_INVALID_BAUD_RATE; | |
1535 | } else | |
1536 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1537 | } |
1538 | ||
1539 | /* return the counter values if not NULL | |
1540 | (port 1 will ignore retHi) */ | |
deb91685 | 1541 | if (rate_low) |
1da177e4 | 1542 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1543 | if (rate_hi) |
1da177e4 | 1544 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
049c6b4e | 1545 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
deb91685 | 1546 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1547 | } |
1548 | ||
1549 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1550 | struct usb_serial_port *port, | |
1551 | int reset_port) | |
1552 | { | |
deb91685 | 1553 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1554 | struct keyspan_serial_private *s_priv; |
1555 | struct keyspan_port_private *p_priv; | |
1556 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1557 | struct urb *this_urb; |
1558 | int device_port, err; | |
1559 | ||
049c6b4e | 1560 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
1da177e4 LT |
1561 | |
1562 | s_priv = usb_get_serial_data(serial); | |
1563 | p_priv = usb_get_serial_port_data(port); | |
1564 | d_details = s_priv->device_details; | |
1143832e | 1565 | device_port = port->port_number; |
1da177e4 | 1566 | |
1da177e4 LT |
1567 | this_urb = p_priv->outcont_urb; |
1568 | ||
1da177e4 LT |
1569 | /* Make sure we have an urb then send the message */ |
1570 | if (this_urb == NULL) { | |
049c6b4e | 1571 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1572 | return -1; |
1573 | } | |
1574 | ||
d5afce82 RS |
1575 | dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); |
1576 | ||
1da177e4 | 1577 | /* Save reset port val for resend. |
0ca1268e LM |
1578 | Don't overwrite resend for open/close condition. */ |
1579 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1580 | p_priv->resend_cont = reset_port + 1; |
1581 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1582 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1583 | mdelay(5); |
deb91685 | 1584 | return -1; |
1da177e4 LT |
1585 | } |
1586 | ||
deb91685 AC |
1587 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1588 | ||
1589 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1590 | if (p_priv->old_baud != p_priv->baud) { |
1591 | p_priv->old_baud = p_priv->baud; | |
1592 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1593 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1594 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1595 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1596 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1597 | __func__, p_priv->baud); | |
1da177e4 LT |
1598 | msg.baudLo = 0; |
1599 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1600 | msg.prescaler = 10; | |
1601 | } | |
1602 | msg.setPrescaler = 0xff; | |
1603 | } | |
1604 | ||
2b982ab1 | 1605 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1606 | switch (p_priv->cflag & CSIZE) { |
1607 | case CS5: | |
1608 | msg.lcr |= USA_DATABITS_5; | |
1609 | break; | |
1610 | case CS6: | |
1611 | msg.lcr |= USA_DATABITS_6; | |
1612 | break; | |
1613 | case CS7: | |
1614 | msg.lcr |= USA_DATABITS_7; | |
1615 | break; | |
1616 | case CS8: | |
1617 | msg.lcr |= USA_DATABITS_8; | |
1618 | break; | |
1619 | } | |
1620 | if (p_priv->cflag & PARENB) { | |
1621 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1622 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1623 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1624 | } |
1625 | msg.setLcr = 0xff; | |
1626 | ||
1627 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1628 | msg.xonFlowControl = 0; | |
1629 | msg.setFlowControl = 0xff; | |
1630 | msg.forwardingLength = 16; | |
1631 | msg.xonChar = 17; | |
1632 | msg.xoffChar = 19; | |
1633 | ||
1634 | /* Opening port */ | |
1635 | if (reset_port == 1) { | |
1636 | msg._txOn = 1; | |
1637 | msg._txOff = 0; | |
1638 | msg.txFlush = 0; | |
1639 | msg.txBreak = 0; | |
1640 | msg.rxOn = 1; | |
1641 | msg.rxOff = 0; | |
1642 | msg.rxFlush = 1; | |
1643 | msg.rxForward = 0; | |
1644 | msg.returnStatus = 0; | |
1645 | msg.resetDataToggle = 0xff; | |
1646 | } | |
1647 | ||
1648 | /* Closing port */ | |
1649 | else if (reset_port == 2) { | |
1650 | msg._txOn = 0; | |
1651 | msg._txOff = 1; | |
1652 | msg.txFlush = 0; | |
1653 | msg.txBreak = 0; | |
1654 | msg.rxOn = 0; | |
1655 | msg.rxOff = 1; | |
1656 | msg.rxFlush = 1; | |
1657 | msg.rxForward = 0; | |
1658 | msg.returnStatus = 0; | |
1659 | msg.resetDataToggle = 0; | |
1660 | } | |
1661 | ||
1662 | /* Sending intermediate configs */ | |
1663 | else { | |
deb91685 | 1664 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1665 | msg._txOff = 0; |
1666 | msg.txFlush = 0; | |
1667 | msg.txBreak = (p_priv->break_on); | |
1668 | msg.rxOn = 0; | |
1669 | msg.rxOff = 0; | |
1670 | msg.rxFlush = 0; | |
1671 | msg.rxForward = 0; | |
1672 | msg.returnStatus = 0; | |
1673 | msg.resetDataToggle = 0x0; | |
1674 | } | |
1675 | ||
deb91685 | 1676 | /* Do handshaking outputs */ |
1da177e4 LT |
1677 | msg.setTxTriState_setRts = 0xff; |
1678 | msg.txTriState_rts = p_priv->rts_state; | |
1679 | ||
1680 | msg.setHskoa_setDtr = 0xff; | |
1681 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1682 | |
1da177e4 | 1683 | p_priv->resend_cont = 0; |
deb91685 AC |
1684 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1685 | ||
1da177e4 LT |
1686 | /* send the data out the device on control endpoint */ |
1687 | this_urb->transfer_buffer_length = sizeof(msg); | |
1688 | ||
deb91685 AC |
1689 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1690 | if (err != 0) | |
049c6b4e | 1691 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 1692 | return 0; |
1da177e4 LT |
1693 | } |
1694 | ||
1695 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1696 | struct usb_serial_port *port, | |
1697 | int reset_port) | |
1698 | { | |
deb91685 | 1699 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1700 | struct keyspan_serial_private *s_priv; |
1701 | struct keyspan_port_private *p_priv; | |
1702 | const struct keyspan_device_details *d_details; | |
1703 | struct urb *this_urb; | |
1704 | int device_port, err; | |
1705 | ||
1da177e4 LT |
1706 | s_priv = usb_get_serial_data(serial); |
1707 | p_priv = usb_get_serial_port_data(port); | |
1708 | d_details = s_priv->device_details; | |
1143832e | 1709 | device_port = port->port_number; |
1da177e4 LT |
1710 | |
1711 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1712 | this_urb = p_priv->outcont_urb; |
1713 | if (this_urb == NULL) { | |
049c6b4e | 1714 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1715 | return -1; |
1716 | } | |
1717 | ||
1718 | /* Save reset port val for resend. | |
0ca1268e LM |
1719 | Don't overwrite resend for open/close condition. */ |
1720 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1721 | p_priv->resend_cont = reset_port + 1; |
1722 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1723 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 1724 | mdelay(5); |
deb91685 | 1725 | return -1; |
1da177e4 LT |
1726 | } |
1727 | ||
deb91685 | 1728 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
1729 | |
1730 | msg.setBaudRate = 1; | |
049c6b4e GKH |
1731 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1732 | &msg.baudHi, &msg.baudLo, NULL, | |
1733 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1734 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", | |
deb91685 | 1735 | __func__, p_priv->baud); |
1da177e4 LT |
1736 | msg.baudLo = 0xff; |
1737 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
1738 | } | |
1739 | ||
1740 | /* If parity is enabled, we must calculate it ourselves. */ | |
1741 | msg.parity = 0; /* XXX for now */ | |
1742 | ||
1743 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1744 | msg.xonFlowControl = 0; | |
1745 | ||
deb91685 | 1746 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
1747 | msg.rts = p_priv->rts_state; |
1748 | msg.dtr = p_priv->dtr_state; | |
1749 | ||
1750 | msg.forwardingLength = 16; | |
1751 | msg.forwardMs = 10; | |
1752 | msg.breakThreshold = 45; | |
1753 | msg.xonChar = 17; | |
1754 | msg.xoffChar = 19; | |
1755 | ||
1756 | /*msg.returnStatus = 1; | |
1757 | msg.resetDataToggle = 0xff;*/ | |
1758 | /* Opening port */ | |
1759 | if (reset_port == 1) { | |
1760 | msg._txOn = 1; | |
1761 | msg._txOff = 0; | |
1762 | msg.txFlush = 0; | |
1763 | msg.txForceXoff = 0; | |
1764 | msg.txBreak = 0; | |
1765 | msg.rxOn = 1; | |
1766 | msg.rxOff = 0; | |
1767 | msg.rxFlush = 1; | |
1768 | msg.rxForward = 0; | |
1769 | msg.returnStatus = 0; | |
1770 | msg.resetDataToggle = 0xff; | |
1771 | } | |
1772 | /* Closing port */ | |
1773 | else if (reset_port == 2) { | |
1774 | msg._txOn = 0; | |
1775 | msg._txOff = 1; | |
1776 | msg.txFlush = 0; | |
1777 | msg.txForceXoff = 0; | |
1778 | msg.txBreak = 0; | |
1779 | msg.rxOn = 0; | |
1780 | msg.rxOff = 1; | |
1781 | msg.rxFlush = 1; | |
1782 | msg.rxForward = 0; | |
1783 | msg.returnStatus = 0; | |
1784 | msg.resetDataToggle = 0; | |
1785 | } | |
1786 | /* Sending intermediate configs */ | |
1787 | else { | |
deb91685 | 1788 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1789 | msg._txOff = 0; |
1790 | msg.txFlush = 0; | |
1791 | msg.txForceXoff = 0; | |
1792 | msg.txBreak = (p_priv->break_on); | |
1793 | msg.rxOn = 0; | |
1794 | msg.rxOff = 0; | |
1795 | msg.rxFlush = 0; | |
1796 | msg.rxForward = 0; | |
1797 | msg.returnStatus = 0; | |
1798 | msg.resetDataToggle = 0x0; | |
1799 | } | |
1800 | ||
1801 | p_priv->resend_cont = 0; | |
deb91685 | 1802 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
1803 | |
1804 | /* send the data out the device on control endpoint */ | |
1805 | this_urb->transfer_buffer_length = sizeof(msg); | |
1806 | ||
deb91685 AC |
1807 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1808 | if (err != 0) | |
049c6b4e | 1809 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
1da177e4 | 1810 | |
a5b6f60c | 1811 | return 0; |
1da177e4 LT |
1812 | } |
1813 | ||
1814 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
1815 | struct usb_serial_port *port, | |
1816 | int reset_port) | |
1817 | { | |
0ca1268e LM |
1818 | struct keyspan_usa49_portControlMessage msg; |
1819 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
1820 | struct keyspan_serial_private *s_priv; |
1821 | struct keyspan_port_private *p_priv; | |
1822 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1823 | struct urb *this_urb; |
1824 | int err, device_port; | |
1825 | ||
1da177e4 LT |
1826 | s_priv = usb_get_serial_data(serial); |
1827 | p_priv = usb_get_serial_port_data(port); | |
1828 | d_details = s_priv->device_details; | |
1829 | ||
1da177e4 LT |
1830 | this_urb = s_priv->glocont_urb; |
1831 | ||
0ca1268e | 1832 | /* Work out which port within the device is being setup */ |
1143832e | 1833 | device_port = port->port_number; |
1da177e4 | 1834 | |
d866150a | 1835 | /* Make sure we have an urb then send the message */ |
1da177e4 | 1836 | if (this_urb == NULL) { |
1143832e | 1837 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
1da177e4 LT |
1838 | return -1; |
1839 | } | |
1840 | ||
1143832e GKH |
1841 | dev_dbg(&port->dev, "%s - endpoint %d (%d)\n", |
1842 | __func__, usb_pipeendpoint(this_urb->pipe), device_port); | |
d866150a | 1843 | |
1da177e4 | 1844 | /* Save reset port val for resend. |
0ca1268e LM |
1845 | Don't overwrite resend for open/close condition. */ |
1846 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 1847 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 1848 | |
1da177e4 | 1849 | if (this_urb->status == -EINPROGRESS) { |
049c6b4e | 1850 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1851 | mdelay(5); |
deb91685 | 1852 | return -1; |
1da177e4 LT |
1853 | } |
1854 | ||
deb91685 | 1855 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 | 1856 | |
1da177e4 | 1857 | msg.portNumber = device_port; |
deb91685 AC |
1858 | |
1859 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1860 | if (p_priv->old_baud != p_priv->baud) { |
1861 | p_priv->old_baud = p_priv->baud; | |
1862 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1863 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1864 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1865 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1866 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1867 | __func__, p_priv->baud); | |
1da177e4 LT |
1868 | msg.baudLo = 0; |
1869 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1870 | msg.prescaler = 10; | |
1871 | } | |
deb91685 | 1872 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
1873 | } |
1874 | ||
2b982ab1 | 1875 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1876 | switch (p_priv->cflag & CSIZE) { |
1877 | case CS5: | |
1878 | msg.lcr |= USA_DATABITS_5; | |
1879 | break; | |
1880 | case CS6: | |
1881 | msg.lcr |= USA_DATABITS_6; | |
1882 | break; | |
1883 | case CS7: | |
1884 | msg.lcr |= USA_DATABITS_7; | |
1885 | break; | |
1886 | case CS8: | |
1887 | msg.lcr |= USA_DATABITS_8; | |
1888 | break; | |
1889 | } | |
1890 | if (p_priv->cflag & PARENB) { | |
1891 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1892 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1893 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1894 | } |
1895 | msg.setLcr = 0xff; | |
1896 | ||
1897 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1898 | msg.xonFlowControl = 0; | |
1899 | msg.setFlowControl = 0xff; | |
deb91685 | 1900 | |
1da177e4 LT |
1901 | msg.forwardingLength = 16; |
1902 | msg.xonChar = 17; | |
1903 | msg.xoffChar = 19; | |
1904 | ||
deb91685 | 1905 | /* Opening port */ |
1da177e4 LT |
1906 | if (reset_port == 1) { |
1907 | msg._txOn = 1; | |
1908 | msg._txOff = 0; | |
1909 | msg.txFlush = 0; | |
1910 | msg.txBreak = 0; | |
1911 | msg.rxOn = 1; | |
1912 | msg.rxOff = 0; | |
1913 | msg.rxFlush = 1; | |
1914 | msg.rxForward = 0; | |
1915 | msg.returnStatus = 0; | |
1916 | msg.resetDataToggle = 0xff; | |
1917 | msg.enablePort = 1; | |
1918 | msg.disablePort = 0; | |
1919 | } | |
1920 | /* Closing port */ | |
1921 | else if (reset_port == 2) { | |
1922 | msg._txOn = 0; | |
1923 | msg._txOff = 1; | |
1924 | msg.txFlush = 0; | |
1925 | msg.txBreak = 0; | |
1926 | msg.rxOn = 0; | |
1927 | msg.rxOff = 1; | |
1928 | msg.rxFlush = 1; | |
1929 | msg.rxForward = 0; | |
1930 | msg.returnStatus = 0; | |
1931 | msg.resetDataToggle = 0; | |
1932 | msg.enablePort = 0; | |
1933 | msg.disablePort = 1; | |
1934 | } | |
1935 | /* Sending intermediate configs */ | |
1936 | else { | |
deb91685 | 1937 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1938 | msg._txOff = 0; |
1939 | msg.txFlush = 0; | |
1940 | msg.txBreak = (p_priv->break_on); | |
1941 | msg.rxOn = 0; | |
1942 | msg.rxOff = 0; | |
1943 | msg.rxFlush = 0; | |
1944 | msg.rxForward = 0; | |
1945 | msg.returnStatus = 0; | |
1946 | msg.resetDataToggle = 0x0; | |
1947 | msg.enablePort = 0; | |
1948 | msg.disablePort = 0; | |
1949 | } | |
1950 | ||
deb91685 | 1951 | /* Do handshaking outputs */ |
1da177e4 LT |
1952 | msg.setRts = 0xff; |
1953 | msg.rts = p_priv->rts_state; | |
1954 | ||
1955 | msg.setDtr = 0xff; | |
1956 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 1957 | |
1da177e4 | 1958 | p_priv->resend_cont = 0; |
0ca1268e | 1959 | |
deb91685 AC |
1960 | /* if the device is a 49wg, we send control message on usb |
1961 | control EP 0 */ | |
0ca1268e LM |
1962 | |
1963 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
1964 | dr = (void *)(s_priv->ctrl_buf); | |
1965 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
1966 | dr->bRequest = 0xB0; /* 49wg control message */; | |
1967 | dr->wValue = 0; | |
1968 | dr->wIndex = 0; | |
1969 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
1970 | ||
deb91685 | 1971 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 1972 | |
deb91685 AC |
1973 | usb_fill_control_urb(this_urb, serial->dev, |
1974 | usb_sndctrlpipe(serial->dev, 0), | |
1975 | (unsigned char *)dr, s_priv->glocont_buf, | |
1976 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
1977 | |
1978 | } else { | |
1979 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 1980 | |
0ca1268e LM |
1981 | /* send the data out the device on control endpoint */ |
1982 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 1983 | } |
deb91685 AC |
1984 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1985 | if (err != 0) | |
049c6b4e | 1986 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 | 1987 | |
a5b6f60c | 1988 | return 0; |
1da177e4 LT |
1989 | } |
1990 | ||
1991 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
1992 | struct usb_serial_port *port, | |
1993 | int reset_port) | |
1994 | { | |
deb91685 | 1995 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
1996 | struct keyspan_serial_private *s_priv; |
1997 | struct keyspan_port_private *p_priv; | |
1998 | const struct keyspan_device_details *d_details; | |
1999 | struct urb *this_urb; | |
2000 | int err; | |
2001 | u8 prescaler; | |
2002 | ||
1da177e4 LT |
2003 | s_priv = usb_get_serial_data(serial); |
2004 | p_priv = usb_get_serial_port_data(port); | |
2005 | d_details = s_priv->device_details; | |
2006 | ||
2007 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2008 | this_urb = p_priv->outcont_urb; |
2009 | if (this_urb == NULL) { | |
049c6b4e | 2010 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2011 | return -1; |
2012 | } | |
2013 | ||
2014 | /* Save reset port val for resend. | |
2015 | Don't overwrite resend for open/close condition. */ | |
2016 | if ((reset_port + 1) > p_priv->resend_cont) | |
2017 | p_priv->resend_cont = reset_port + 1; | |
2018 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2019 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2020 | mdelay(5); |
deb91685 | 2021 | return -1; |
1da177e4 LT |
2022 | } |
2023 | ||
deb91685 | 2024 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2025 | |
deb91685 | 2026 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2027 | if (p_priv->old_baud != p_priv->baud) { |
2028 | p_priv->old_baud = p_priv->baud; | |
2029 | msg.setClocking = 0x01; | |
049c6b4e GKH |
2030 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2031 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { | |
2032 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2033 | __func__, p_priv->baud); | |
1da177e4 | 2034 | p_priv->baud = 9600; |
049c6b4e | 2035 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2036 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2037 | } | |
2038 | msg.setRxMode = 1; | |
2039 | msg.setTxMode = 1; | |
2040 | } | |
2041 | ||
2042 | /* modes must always be correctly specified */ | |
deb91685 | 2043 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2044 | msg.rxMode = RXMODE_DMA; |
2045 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2046 | } else { |
1da177e4 LT |
2047 | msg.rxMode = RXMODE_BYHAND; |
2048 | msg.txMode = TXMODE_BYHAND; | |
2049 | } | |
2050 | ||
2b982ab1 | 2051 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2052 | switch (p_priv->cflag & CSIZE) { |
2053 | case CS5: | |
2054 | msg.lcr |= USA_DATABITS_5; | |
2055 | break; | |
2056 | case CS6: | |
2057 | msg.lcr |= USA_DATABITS_6; | |
2058 | break; | |
2059 | case CS7: | |
2060 | msg.lcr |= USA_DATABITS_7; | |
2061 | break; | |
2062 | case CS8: | |
2063 | msg.lcr |= USA_DATABITS_8; | |
2064 | break; | |
2065 | } | |
2066 | if (p_priv->cflag & PARENB) { | |
2067 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2068 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2069 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2070 | } |
2071 | if (p_priv->old_cflag != p_priv->cflag) { | |
2072 | p_priv->old_cflag = p_priv->cflag; | |
2073 | msg.setLcr = 0x01; | |
2074 | } | |
2075 | ||
2076 | if (p_priv->flow_control == flow_cts) | |
2077 | msg.txFlowControl = TXFLOW_CTS; | |
2078 | msg.setTxFlowControl = 0x01; | |
2079 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2080 | |
1da177e4 | 2081 | msg.rxForwardingLength = 16; |
deb91685 | 2082 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2083 | msg.txAckSetting = 0; |
2084 | msg.xonChar = 17; | |
2085 | msg.xoffChar = 19; | |
2086 | ||
deb91685 | 2087 | /* Opening port */ |
1da177e4 LT |
2088 | if (reset_port == 1) { |
2089 | msg.portEnabled = 1; | |
2090 | msg.rxFlush = 1; | |
2091 | msg.txBreak = (p_priv->break_on); | |
2092 | } | |
2093 | /* Closing port */ | |
deb91685 | 2094 | else if (reset_port == 2) |
1da177e4 | 2095 | msg.portEnabled = 0; |
1da177e4 LT |
2096 | /* Sending intermediate configs */ |
2097 | else { | |
1f87158e | 2098 | msg.portEnabled = 1; |
1da177e4 LT |
2099 | msg.txBreak = (p_priv->break_on); |
2100 | } | |
2101 | ||
deb91685 | 2102 | /* Do handshaking outputs */ |
1da177e4 LT |
2103 | msg.setRts = 0x01; |
2104 | msg.rts = p_priv->rts_state; | |
2105 | ||
2106 | msg.setDtr = 0x01; | |
2107 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2108 | |
1da177e4 | 2109 | p_priv->resend_cont = 0; |
deb91685 AC |
2110 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2111 | ||
1da177e4 LT |
2112 | /* send the data out the device on control endpoint */ |
2113 | this_urb->transfer_buffer_length = sizeof(msg); | |
2114 | ||
deb91685 AC |
2115 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2116 | if (err != 0) | |
049c6b4e | 2117 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2118 | return 0; |
1da177e4 LT |
2119 | } |
2120 | ||
0ca1268e LM |
2121 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2122 | struct usb_serial_port *port, | |
2123 | int reset_port) | |
2124 | { | |
2125 | struct keyspan_usa67_portControlMessage msg; | |
2126 | struct keyspan_serial_private *s_priv; | |
2127 | struct keyspan_port_private *p_priv; | |
2128 | const struct keyspan_device_details *d_details; | |
2129 | struct urb *this_urb; | |
2130 | int err, device_port; | |
2131 | ||
0ca1268e LM |
2132 | s_priv = usb_get_serial_data(serial); |
2133 | p_priv = usb_get_serial_port_data(port); | |
2134 | d_details = s_priv->device_details; | |
2135 | ||
2136 | this_urb = s_priv->glocont_urb; | |
2137 | ||
2138 | /* Work out which port within the device is being setup */ | |
1143832e | 2139 | device_port = port->port_number; |
0ca1268e LM |
2140 | |
2141 | /* Make sure we have an urb then send the message */ | |
2142 | if (this_urb == NULL) { | |
1143832e | 2143 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
0ca1268e LM |
2144 | return -1; |
2145 | } | |
2146 | ||
2147 | /* Save reset port val for resend. | |
2148 | Don't overwrite resend for open/close condition. */ | |
2149 | if ((reset_port + 1) > p_priv->resend_cont) | |
2150 | p_priv->resend_cont = reset_port + 1; | |
2151 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2152 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
0ca1268e | 2153 | mdelay(5); |
deb91685 | 2154 | return -1; |
0ca1268e LM |
2155 | } |
2156 | ||
2157 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2158 | ||
2159 | msg.port = device_port; | |
2160 | ||
2161 | /* Only set baud rate if it's changed */ | |
2162 | if (p_priv->old_baud != p_priv->baud) { | |
2163 | p_priv->old_baud = p_priv->baud; | |
2164 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2165 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2166 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2167 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2168 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2169 | __func__, p_priv->baud); | |
0ca1268e LM |
2170 | msg.baudLo = 0; |
2171 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2172 | msg.prescaler = 10; | |
2173 | } | |
2174 | msg.setPrescaler = 0xff; | |
2175 | } | |
2176 | ||
2177 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2178 | switch (p_priv->cflag & CSIZE) { | |
2179 | case CS5: | |
2180 | msg.lcr |= USA_DATABITS_5; | |
2181 | break; | |
2182 | case CS6: | |
2183 | msg.lcr |= USA_DATABITS_6; | |
2184 | break; | |
2185 | case CS7: | |
2186 | msg.lcr |= USA_DATABITS_7; | |
2187 | break; | |
2188 | case CS8: | |
2189 | msg.lcr |= USA_DATABITS_8; | |
2190 | break; | |
2191 | } | |
2192 | if (p_priv->cflag & PARENB) { | |
2193 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2194 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2195 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2196 | } |
2197 | msg.setLcr = 0xff; | |
2198 | ||
2199 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2200 | msg.xonFlowControl = 0; | |
2201 | msg.setFlowControl = 0xff; | |
2202 | msg.forwardingLength = 16; | |
2203 | msg.xonChar = 17; | |
2204 | msg.xoffChar = 19; | |
2205 | ||
2206 | if (reset_port == 1) { | |
2207 | /* Opening port */ | |
2208 | msg._txOn = 1; | |
2209 | msg._txOff = 0; | |
2210 | msg.txFlush = 0; | |
2211 | msg.txBreak = 0; | |
2212 | msg.rxOn = 1; | |
2213 | msg.rxOff = 0; | |
2214 | msg.rxFlush = 1; | |
2215 | msg.rxForward = 0; | |
2216 | msg.returnStatus = 0; | |
2217 | msg.resetDataToggle = 0xff; | |
2218 | } else if (reset_port == 2) { | |
2219 | /* Closing port */ | |
2220 | msg._txOn = 0; | |
2221 | msg._txOff = 1; | |
2222 | msg.txFlush = 0; | |
2223 | msg.txBreak = 0; | |
2224 | msg.rxOn = 0; | |
2225 | msg.rxOff = 1; | |
2226 | msg.rxFlush = 1; | |
2227 | msg.rxForward = 0; | |
2228 | msg.returnStatus = 0; | |
2229 | msg.resetDataToggle = 0; | |
2230 | } else { | |
2231 | /* Sending intermediate configs */ | |
deb91685 | 2232 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2233 | msg._txOff = 0; |
2234 | msg.txFlush = 0; | |
2235 | msg.txBreak = (p_priv->break_on); | |
2236 | msg.rxOn = 0; | |
2237 | msg.rxOff = 0; | |
2238 | msg.rxFlush = 0; | |
2239 | msg.rxForward = 0; | |
2240 | msg.returnStatus = 0; | |
2241 | msg.resetDataToggle = 0x0; | |
2242 | } | |
2243 | ||
2244 | /* Do handshaking outputs */ | |
2245 | msg.setTxTriState_setRts = 0xff; | |
2246 | msg.txTriState_rts = p_priv->rts_state; | |
2247 | ||
2248 | msg.setHskoa_setDtr = 0xff; | |
2249 | msg.hskoa_dtr = p_priv->dtr_state; | |
2250 | ||
2251 | p_priv->resend_cont = 0; | |
2252 | ||
2253 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2254 | ||
2255 | /* send the data out the device on control endpoint */ | |
2256 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2257 | |
2258 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2259 | if (err != 0) | |
049c6b4e | 2260 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2261 | return 0; |
0ca1268e LM |
2262 | } |
2263 | ||
1da177e4 LT |
2264 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2265 | { | |
2266 | struct usb_serial *serial = port->serial; | |
2267 | struct keyspan_serial_private *s_priv; | |
2268 | const struct keyspan_device_details *d_details; | |
2269 | ||
1da177e4 LT |
2270 | s_priv = usb_get_serial_data(serial); |
2271 | d_details = s_priv->device_details; | |
2272 | ||
2273 | switch (d_details->msg_format) { | |
2274 | case msg_usa26: | |
2275 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2276 | break; | |
2277 | case msg_usa28: | |
2278 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2279 | break; | |
2280 | case msg_usa49: | |
2281 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2282 | break; | |
2283 | case msg_usa90: | |
2284 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2285 | break; | |
0ca1268e LM |
2286 | case msg_usa67: |
2287 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2288 | break; | |
1da177e4 LT |
2289 | } |
2290 | } | |
2291 | ||
2292 | ||
2293 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2294 | and renumeration has taken place. */ | |
deb91685 | 2295 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2296 | { |
2297 | int i, err; | |
1da177e4 | 2298 | struct keyspan_serial_private *s_priv; |
1da177e4 LT |
2299 | const struct keyspan_device_details *d_details; |
2300 | ||
1da177e4 | 2301 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2302 | if (d_details->product_id == |
2303 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2304 | break; |
2305 | if (d_details == NULL) { | |
deb91685 AC |
2306 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2307 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
ff8a43c1 | 2308 | return -ENODEV; |
1da177e4 LT |
2309 | } |
2310 | ||
2311 | /* Setup private data for serial driver */ | |
80b6ca48 | 2312 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
10c642d0 | 2313 | if (!s_priv) |
1da177e4 | 2314 | return -ENOMEM; |
1da177e4 | 2315 | |
2fcd1c9b JH |
2316 | s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); |
2317 | if (!s_priv->instat_buf) | |
2318 | goto err_instat_buf; | |
2319 | ||
2320 | s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); | |
2321 | if (!s_priv->indat_buf) | |
2322 | goto err_indat_buf; | |
2323 | ||
2324 | s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); | |
2325 | if (!s_priv->glocont_buf) | |
2326 | goto err_glocont_buf; | |
2327 | ||
2328 | s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); | |
2329 | if (!s_priv->ctrl_buf) | |
2330 | goto err_ctrl_buf; | |
2331 | ||
1da177e4 LT |
2332 | s_priv->device_details = d_details; |
2333 | usb_set_serial_data(serial, s_priv); | |
2334 | ||
1da177e4 LT |
2335 | keyspan_setup_urbs(serial); |
2336 | ||
0ca1268e | 2337 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2338 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2339 | if (err != 0) | |
7ebcb334 | 2340 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
0ca1268e LM |
2341 | } |
2342 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2343 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2344 | if (err != 0) | |
7ebcb334 | 2345 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
1da177e4 | 2346 | } |
deb91685 | 2347 | |
a5b6f60c | 2348 | return 0; |
2fcd1c9b JH |
2349 | |
2350 | err_ctrl_buf: | |
2351 | kfree(s_priv->glocont_buf); | |
2352 | err_glocont_buf: | |
2353 | kfree(s_priv->indat_buf); | |
2354 | err_indat_buf: | |
2355 | kfree(s_priv->instat_buf); | |
2356 | err_instat_buf: | |
2357 | kfree(s_priv); | |
2358 | ||
2359 | return -ENOMEM; | |
1da177e4 LT |
2360 | } |
2361 | ||
f9c99bb8 | 2362 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 | 2363 | { |
f79b2d0f | 2364 | struct keyspan_serial_private *s_priv; |
1da177e4 | 2365 | |
1da177e4 LT |
2366 | s_priv = usb_get_serial_data(serial); |
2367 | ||
1da177e4 LT |
2368 | stop_urb(s_priv->instat_urb); |
2369 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2370 | stop_urb(s_priv->indat_urb); |
f79b2d0f JH |
2371 | } |
2372 | ||
2373 | static void keyspan_release(struct usb_serial *serial) | |
2374 | { | |
2375 | struct keyspan_serial_private *s_priv; | |
2376 | ||
2377 | s_priv = usb_get_serial_data(serial); | |
1da177e4 | 2378 | |
1cadc137 | 2379 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2380 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2381 | usb_free_urb(s_priv->glocont_urb); |
f79b2d0f | 2382 | |
2fcd1c9b JH |
2383 | kfree(s_priv->ctrl_buf); |
2384 | kfree(s_priv->glocont_buf); | |
2385 | kfree(s_priv->indat_buf); | |
2386 | kfree(s_priv->instat_buf); | |
2387 | ||
f79b2d0f | 2388 | kfree(s_priv); |
f9c99bb8 AS |
2389 | } |
2390 | ||
f79b2d0f | 2391 | static int keyspan_port_probe(struct usb_serial_port *port) |
f9c99bb8 | 2392 | { |
f79b2d0f | 2393 | struct usb_serial *serial = port->serial; |
f0e3e35c | 2394 | struct keyspan_serial_private *s_priv; |
f79b2d0f JH |
2395 | struct keyspan_port_private *p_priv; |
2396 | const struct keyspan_device_details *d_details; | |
2397 | struct callbacks *cback; | |
2398 | int endp; | |
2399 | int port_num; | |
2400 | int i; | |
f9c99bb8 | 2401 | |
f9c99bb8 | 2402 | s_priv = usb_get_serial_data(serial); |
f79b2d0f | 2403 | d_details = s_priv->device_details; |
1da177e4 | 2404 | |
f79b2d0f JH |
2405 | p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); |
2406 | if (!p_priv) | |
2407 | return -ENOMEM; | |
1da177e4 | 2408 | |
bad41a5b JH |
2409 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { |
2410 | p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); | |
2411 | if (!p_priv->in_buffer[i]) | |
2412 | goto err_in_buffer; | |
2413 | } | |
2414 | ||
2415 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { | |
2416 | p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); | |
2417 | if (!p_priv->out_buffer[i]) | |
2418 | goto err_out_buffer; | |
2419 | } | |
2420 | ||
2421 | p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); | |
2422 | if (!p_priv->inack_buffer) | |
2423 | goto err_inack_buffer; | |
2424 | ||
2425 | p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); | |
2426 | if (!p_priv->outcont_buffer) | |
2427 | goto err_outcont_buffer; | |
2428 | ||
f79b2d0f JH |
2429 | p_priv->device_details = d_details; |
2430 | ||
2431 | /* Setup values for the various callback routines */ | |
2432 | cback = &keyspan_callbacks[d_details->msg_format]; | |
2433 | ||
1143832e | 2434 | port_num = port->port_number; |
f79b2d0f JH |
2435 | |
2436 | /* Do indat endpoints first, once for each flip */ | |
2437 | endp = d_details->indat_endpoints[port_num]; | |
2438 | for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { | |
2439 | p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, | |
2440 | USB_DIR_IN, port, | |
bad41a5b JH |
2441 | p_priv->in_buffer[i], |
2442 | IN_BUFLEN, | |
f79b2d0f JH |
2443 | cback->indat_callback); |
2444 | } | |
2445 | /* outdat endpoints also have flip */ | |
2446 | endp = d_details->outdat_endpoints[port_num]; | |
2447 | for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { | |
2448 | p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, | |
2449 | USB_DIR_OUT, port, | |
bad41a5b JH |
2450 | p_priv->out_buffer[i], |
2451 | OUT_BUFLEN, | |
f79b2d0f JH |
2452 | cback->outdat_callback); |
2453 | } | |
2454 | /* inack endpoint */ | |
2455 | p_priv->inack_urb = keyspan_setup_urb(serial, | |
2456 | d_details->inack_endpoints[port_num], | |
2457 | USB_DIR_IN, port, | |
bad41a5b JH |
2458 | p_priv->inack_buffer, |
2459 | INACK_BUFLEN, | |
f79b2d0f JH |
2460 | cback->inack_callback); |
2461 | /* outcont endpoint */ | |
2462 | p_priv->outcont_urb = keyspan_setup_urb(serial, | |
2463 | d_details->outcont_endpoints[port_num], | |
2464 | USB_DIR_OUT, port, | |
bad41a5b JH |
2465 | p_priv->outcont_buffer, |
2466 | OUTCONT_BUFLEN, | |
f79b2d0f JH |
2467 | cback->outcont_callback); |
2468 | ||
2469 | usb_set_serial_port_data(port, p_priv); | |
2470 | ||
2471 | return 0; | |
bad41a5b JH |
2472 | |
2473 | err_outcont_buffer: | |
2474 | kfree(p_priv->inack_buffer); | |
2475 | err_inack_buffer: | |
2476 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
2477 | kfree(p_priv->out_buffer[i]); | |
2478 | err_out_buffer: | |
2479 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
2480 | kfree(p_priv->in_buffer[i]); | |
2481 | err_in_buffer: | |
2482 | kfree(p_priv); | |
2483 | ||
2484 | return -ENOMEM; | |
f79b2d0f JH |
2485 | } |
2486 | ||
2487 | static int keyspan_port_remove(struct usb_serial_port *port) | |
2488 | { | |
2489 | struct keyspan_port_private *p_priv; | |
2490 | int i; | |
2491 | ||
2492 | p_priv = usb_get_serial_port_data(port); | |
2493 | ||
2494 | stop_urb(p_priv->inack_urb); | |
2495 | stop_urb(p_priv->outcont_urb); | |
2496 | for (i = 0; i < 2; i++) { | |
2497 | stop_urb(p_priv->in_urbs[i]); | |
2498 | stop_urb(p_priv->out_urbs[i]); | |
2499 | } | |
2500 | ||
2501 | usb_free_urb(p_priv->inack_urb); | |
2502 | usb_free_urb(p_priv->outcont_urb); | |
2503 | for (i = 0; i < 2; i++) { | |
2504 | usb_free_urb(p_priv->in_urbs[i]); | |
2505 | usb_free_urb(p_priv->out_urbs[i]); | |
1da177e4 | 2506 | } |
f79b2d0f | 2507 | |
bad41a5b JH |
2508 | kfree(p_priv->outcont_buffer); |
2509 | kfree(p_priv->inack_buffer); | |
2510 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
2511 | kfree(p_priv->out_buffer[i]); | |
2512 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
2513 | kfree(p_priv->in_buffer[i]); | |
2514 | ||
f79b2d0f JH |
2515 | kfree(p_priv); |
2516 | ||
2517 | return 0; | |
1da177e4 LT |
2518 | } |
2519 | ||
deb91685 AC |
2520 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2521 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2522 | MODULE_LICENSE("GPL"); |
2523 | ||
2971c579 DW |
2524 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2525 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2526 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2527 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2528 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2529 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2530 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2531 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2532 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2533 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2534 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2535 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |