Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
deb91685 | 3 | |
1da177e4 LT |
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 6 | |
1da177e4 LT |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
631dd1a8 | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 13 | |
1da177e4 LT |
14 | Code in this driver inspired by and in a number of places taken |
15 | from Brian Warner's original Keyspan-PDA driver. | |
16 | ||
17 | This driver has been put together with the support of Innosys, Inc. | |
18 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. | |
19 | Thanks Guys :) | |
deb91685 | 20 | |
1da177e4 LT |
21 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
22 | of much nicer and/or completely new code and (perhaps most uniquely) | |
23 | having the patience to sit down and explain why and where he'd changed | |
deb91685 AC |
24 | stuff. |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 | 27 | staff in their work on open source projects. |
1da177e4 LT |
28 | */ |
29 | ||
30 | ||
1da177e4 LT |
31 | #include <linux/kernel.h> |
32 | #include <linux/jiffies.h> | |
33 | #include <linux/errno.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/tty.h> | |
37 | #include <linux/tty_driver.h> | |
38 | #include <linux/tty_flip.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
deb91685 | 41 | #include <linux/uaccess.h> |
1da177e4 | 42 | #include <linux/usb.h> |
a969888c | 43 | #include <linux/usb/serial.h> |
cc183e2a | 44 | #include <linux/usb/ezusb.h> |
1da177e4 LT |
45 | #include "keyspan.h" |
46 | ||
1da177e4 LT |
47 | #define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" |
48 | #define DRIVER_DESC "Keyspan USB to Serial Converter Driver" | |
49 | ||
50 | #define INSTAT_BUFLEN 32 | |
51 | #define GLOCONT_BUFLEN 64 | |
0ca1268e | 52 | #define INDAT49W_BUFLEN 512 |
bad41a5b JH |
53 | #define IN_BUFLEN 64 |
54 | #define OUT_BUFLEN 64 | |
55 | #define INACK_BUFLEN 1 | |
56 | #define OUTCONT_BUFLEN 64 | |
1da177e4 LT |
57 | |
58 | /* Per device and per port private data */ | |
59 | struct keyspan_serial_private { | |
60 | const struct keyspan_device_details *device_details; | |
61 | ||
62 | struct urb *instat_urb; | |
2fcd1c9b | 63 | char *instat_buf; |
1da177e4 | 64 | |
deb91685 AC |
65 | /* added to support 49wg, where data from all 4 ports comes in |
66 | on 1 EP and high-speed supported */ | |
0ca1268e | 67 | struct urb *indat_urb; |
2fcd1c9b | 68 | char *indat_buf; |
0ca1268e | 69 | |
1da177e4 LT |
70 | /* XXX this one probably will need a lock */ |
71 | struct urb *glocont_urb; | |
2fcd1c9b JH |
72 | char *glocont_buf; |
73 | char *ctrl_buf; /* for EP0 control message */ | |
1da177e4 LT |
74 | }; |
75 | ||
76 | struct keyspan_port_private { | |
77 | /* Keep track of which input & output endpoints to use */ | |
78 | int in_flip; | |
79 | int out_flip; | |
80 | ||
81 | /* Keep duplicate of device details in each port | |
82 | structure as well - simplifies some of the | |
83 | callback functions etc. */ | |
84 | const struct keyspan_device_details *device_details; | |
85 | ||
86 | /* Input endpoints and buffer for this port */ | |
87 | struct urb *in_urbs[2]; | |
bad41a5b | 88 | char *in_buffer[2]; |
1da177e4 LT |
89 | /* Output endpoints and buffer for this port */ |
90 | struct urb *out_urbs[2]; | |
bad41a5b | 91 | char *out_buffer[2]; |
1da177e4 LT |
92 | |
93 | /* Input ack endpoint */ | |
94 | struct urb *inack_urb; | |
bad41a5b | 95 | char *inack_buffer; |
1da177e4 LT |
96 | |
97 | /* Output control endpoint */ | |
98 | struct urb *outcont_urb; | |
bad41a5b | 99 | char *outcont_buffer; |
1da177e4 LT |
100 | |
101 | /* Settings for the port */ | |
102 | int baud; | |
103 | int old_baud; | |
104 | unsigned int cflag; | |
105 | unsigned int old_cflag; | |
106 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
107 | int rts_state; /* Handshaking pins (outputs) */ | |
108 | int dtr_state; | |
109 | int cts_state; /* Handshaking pins (inputs) */ | |
110 | int dsr_state; | |
111 | int dcd_state; | |
112 | int ri_state; | |
113 | int break_on; | |
114 | ||
115 | unsigned long tx_start_time[2]; | |
116 | int resend_cont; /* need to resend control packet */ | |
117 | }; | |
118 | ||
1da177e4 | 119 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 120 | make use of one of five message formats which are referred |
deb91685 AC |
121 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
122 | within this driver. */ | |
1da177e4 LT |
123 | #include "keyspan_usa26msg.h" |
124 | #include "keyspan_usa28msg.h" | |
125 | #include "keyspan_usa49msg.h" | |
126 | #include "keyspan_usa90msg.h" | |
0ca1268e | 127 | #include "keyspan_usa67msg.h" |
deb91685 | 128 | |
1da177e4 | 129 | |
68e24113 | 130 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
1da177e4 | 131 | |
95da310e | 132 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 133 | { |
95da310e | 134 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
135 | struct keyspan_port_private *p_priv; |
136 | ||
1da177e4 LT |
137 | p_priv = usb_get_serial_port_data(port); |
138 | ||
139 | if (break_state == -1) | |
140 | p_priv->break_on = 1; | |
141 | else | |
142 | p_priv->break_on = 0; | |
143 | ||
144 | keyspan_send_setup(port, 0); | |
145 | } | |
146 | ||
147 | ||
deb91685 | 148 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 149 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
150 | { |
151 | int baud_rate, device_port; | |
152 | struct keyspan_port_private *p_priv; | |
153 | const struct keyspan_device_details *d_details; | |
154 | unsigned int cflag; | |
155 | ||
1da177e4 LT |
156 | p_priv = usb_get_serial_port_data(port); |
157 | d_details = p_priv->device_details; | |
adc8d746 | 158 | cflag = tty->termios.c_cflag; |
1143832e | 159 | device_port = port->port_number; |
1da177e4 LT |
160 | |
161 | /* Baud rate calculation takes baud rate as an integer | |
162 | so other rates can be generated if desired. */ | |
74240b07 | 163 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 164 | /* If no match or invalid, don't change */ |
049c6b4e | 165 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
1da177e4 LT |
166 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
167 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 168 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 169 | p_priv->baud = baud_rate; |
74240b07 AC |
170 | } else |
171 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 172 | |
74240b07 | 173 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
174 | /* set CTS/RTS handshake etc. */ |
175 | p_priv->cflag = cflag; | |
2b982ab1 | 176 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 177 | |
74240b07 | 178 | /* Mark/Space not supported */ |
adc8d746 | 179 | tty->termios.c_cflag &= ~CMSPAR; |
74240b07 | 180 | |
1da177e4 LT |
181 | keyspan_send_setup(port, 0); |
182 | } | |
183 | ||
60b33c13 | 184 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 185 | { |
95da310e AC |
186 | struct usb_serial_port *port = tty->driver_data; |
187 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 188 | unsigned int value; |
deb91685 | 189 | |
1da177e4 LT |
190 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
191 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
192 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
193 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
194 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 195 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
196 | |
197 | return value; | |
198 | } | |
199 | ||
20b9d177 | 200 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
201 | unsigned int set, unsigned int clear) |
202 | { | |
95da310e AC |
203 | struct usb_serial_port *port = tty->driver_data; |
204 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 205 | |
1da177e4 LT |
206 | if (set & TIOCM_RTS) |
207 | p_priv->rts_state = 1; | |
208 | if (set & TIOCM_DTR) | |
209 | p_priv->dtr_state = 1; | |
1da177e4 LT |
210 | if (clear & TIOCM_RTS) |
211 | p_priv->rts_state = 0; | |
212 | if (clear & TIOCM_DTR) | |
213 | p_priv->dtr_state = 0; | |
214 | keyspan_send_setup(port, 0); | |
215 | return 0; | |
216 | } | |
217 | ||
95da310e AC |
218 | /* Write function is similar for the four protocols used |
219 | with only a minor change for usa90 (usa19hs) required */ | |
220 | static int keyspan_write(struct tty_struct *tty, | |
221 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
222 | { |
223 | struct keyspan_port_private *p_priv; | |
224 | const struct keyspan_device_details *d_details; | |
225 | int flip; | |
226 | int left, todo; | |
227 | struct urb *this_urb; | |
deb91685 | 228 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
229 | |
230 | p_priv = usb_get_serial_port_data(port); | |
231 | d_details = p_priv->device_details; | |
232 | ||
233 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 234 | maxDataLen = 64; |
1da177e4 LT |
235 | dataOffset = 0; |
236 | } else { | |
237 | maxDataLen = 63; | |
238 | dataOffset = 1; | |
239 | } | |
deb91685 | 240 | |
1143832e GKH |
241 | dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, |
242 | p_priv->out_flip); | |
1da177e4 LT |
243 | |
244 | for (left = count; left > 0; left -= todo) { | |
245 | todo = left; | |
246 | if (todo > maxDataLen) | |
247 | todo = maxDataLen; | |
248 | ||
249 | flip = p_priv->out_flip; | |
deb91685 | 250 | |
1da177e4 | 251 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
252 | this_urb = p_priv->out_urbs[flip]; |
253 | if (this_urb == NULL) { | |
1da177e4 | 254 | /* no bulk out, so return 0 bytes written */ |
049c6b4e | 255 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
1da177e4 LT |
256 | return count; |
257 | } | |
258 | ||
049c6b4e | 259 | dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", |
deb91685 | 260 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
261 | |
262 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
263 | if (time_before(jiffies, |
264 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 265 | break; |
1da177e4 LT |
266 | usb_unlink_urb(this_urb); |
267 | break; | |
268 | } | |
269 | ||
deb91685 AC |
270 | /* First byte in buffer is "last flag" (except for usa19hx) |
271 | - unused so for now so set to zero */ | |
1da177e4 LT |
272 | ((char *)this_urb->transfer_buffer)[0] = 0; |
273 | ||
deb91685 | 274 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
275 | buf += todo; |
276 | ||
277 | /* send the data out the bulk port */ | |
278 | this_urb->transfer_buffer_length = todo + dataOffset; | |
279 | ||
deb91685 AC |
280 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
281 | if (err != 0) | |
049c6b4e | 282 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
1da177e4 LT |
283 | p_priv->tx_start_time[flip] = jiffies; |
284 | ||
285 | /* Flip for next time if usa26 or usa28 interface | |
286 | (not used on usa49) */ | |
287 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
288 | } | |
289 | ||
290 | return count - left; | |
291 | } | |
292 | ||
7d12e780 | 293 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
294 | { |
295 | int i, err; | |
296 | int endpoint; | |
297 | struct usb_serial_port *port; | |
1da177e4 | 298 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 299 | int status = urb->status; |
1da177e4 | 300 | |
1da177e4 LT |
301 | endpoint = usb_pipeendpoint(urb->pipe); |
302 | ||
95b93454 | 303 | if (status) { |
a8ffa0be | 304 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
049c6b4e | 305 | __func__, status, endpoint); |
1da177e4 LT |
306 | return; |
307 | } | |
308 | ||
cdc97792 | 309 | port = urb->context; |
2e124b4a | 310 | if (urb->actual_length) { |
1da177e4 LT |
311 | /* 0x80 bit is error flag */ |
312 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
313 | /* no errors on individual bytes, only |
314 | possible overrun err */ | |
1da177e4 | 315 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
316 | err = TTY_OVERRUN; |
317 | else | |
318 | err = 0; | |
319 | for (i = 1; i < urb->actual_length ; ++i) | |
92a19f9c | 320 | tty_insert_flip_char(&port->port, data[i], err); |
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 LT |
324 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
325 | int stat = data[i], flag = 0; | |
326 | if (stat & RXERROR_OVERRUN) | |
327 | flag |= TTY_OVERRUN; | |
328 | if (stat & RXERROR_FRAMING) | |
329 | flag |= TTY_FRAME; | |
330 | if (stat & RXERROR_PARITY) | |
331 | flag |= TTY_PARITY; | |
332 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
333 | tty_insert_flip_char(&port->port, data[i+1], |
334 | flag); | |
1da177e4 LT |
335 | } |
336 | } | |
2e124b4a | 337 | tty_flip_buffer_push(&port->port); |
1da177e4 | 338 | } |
deb91685 AC |
339 | |
340 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
341 | err = usb_submit_urb(urb, GFP_ATOMIC); |
342 | if (err != 0) | |
049c6b4e | 343 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
344 | } |
345 | ||
deb91685 | 346 | /* Outdat handling is common for all devices */ |
7d12e780 | 347 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
348 | { |
349 | struct usb_serial_port *port; | |
350 | struct keyspan_port_private *p_priv; | |
351 | ||
cdc97792 | 352 | port = urb->context; |
1da177e4 | 353 | p_priv = usb_get_serial_port_data(port); |
049c6b4e | 354 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 355 | |
1f87158e | 356 | usb_serial_port_softint(port); |
1da177e4 LT |
357 | } |
358 | ||
7d12e780 | 359 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 360 | { |
1da177e4 LT |
361 | } |
362 | ||
7d12e780 | 363 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
364 | { |
365 | struct usb_serial_port *port; | |
366 | struct keyspan_port_private *p_priv; | |
367 | ||
cdc97792 | 368 | port = urb->context; |
1da177e4 LT |
369 | p_priv = usb_get_serial_port_data(port); |
370 | ||
371 | if (p_priv->resend_cont) { | |
049c6b4e | 372 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
373 | keyspan_usa26_send_setup(port->serial, port, |
374 | p_priv->resend_cont - 1); | |
1da177e4 LT |
375 | } |
376 | } | |
377 | ||
7d12e780 | 378 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
379 | { |
380 | unsigned char *data = urb->transfer_buffer; | |
381 | struct keyspan_usa26_portStatusMessage *msg; | |
382 | struct usb_serial *serial; | |
383 | struct usb_serial_port *port; | |
384 | struct keyspan_port_private *p_priv; | |
385 | int old_dcd_state, err; | |
95b93454 | 386 | int status = urb->status; |
1da177e4 | 387 | |
cdc97792 | 388 | serial = urb->context; |
1da177e4 | 389 | |
95b93454 | 390 | if (status) { |
049c6b4e | 391 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
392 | return; |
393 | } | |
394 | if (urb->actual_length != 9) { | |
049c6b4e | 395 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
396 | goto exit; |
397 | } | |
398 | ||
399 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
400 | ||
401 | #if 0 | |
049c6b4e GKH |
402 | dev_dbg(&urb->dev->dev, |
403 | "%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
404 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, | |
405 | msg->ri, msg->_txOff, msg->_txXoff, msg->rxEnabled, | |
406 | msg->controlResponse); | |
1da177e4 LT |
407 | #endif |
408 | ||
409 | /* Now do something useful with the data */ | |
410 | ||
411 | ||
deb91685 | 412 | /* Check port number from message and retrieve private data */ |
1da177e4 | 413 | if (msg->port >= serial->num_ports) { |
049c6b4e | 414 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
415 | goto exit; |
416 | } | |
417 | port = serial->port[msg->port]; | |
418 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 419 | |
1da177e4 LT |
420 | /* Update handshaking pin state information */ |
421 | old_dcd_state = p_priv->dcd_state; | |
422 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
423 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
424 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
425 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
426 | ||
aa27a094 JS |
427 | if (old_dcd_state != p_priv->dcd_state) |
428 | tty_port_tty_hangup(&port->port, true); | |
deb91685 | 429 | |
1da177e4 | 430 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
431 | err = usb_submit_urb(urb, GFP_ATOMIC); |
432 | if (err != 0) | |
049c6b4e | 433 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
434 | exit: ; |
435 | } | |
436 | ||
7d12e780 | 437 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 438 | { |
1da177e4 LT |
439 | } |
440 | ||
441 | ||
7d12e780 | 442 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 443 | { |
f035a8ad | 444 | int err; |
1da177e4 | 445 | struct usb_serial_port *port; |
1da177e4 LT |
446 | unsigned char *data; |
447 | struct keyspan_port_private *p_priv; | |
95b93454 | 448 | int status = urb->status; |
1da177e4 | 449 | |
cdc97792 | 450 | port = urb->context; |
1da177e4 LT |
451 | p_priv = usb_get_serial_port_data(port); |
452 | data = urb->transfer_buffer; | |
453 | ||
454 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
455 | return; | |
456 | ||
457 | do { | |
95b93454 | 458 | if (status) { |
049c6b4e GKH |
459 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
460 | __func__, status, usb_pipeendpoint(urb->pipe)); | |
1da177e4 LT |
461 | return; |
462 | } | |
463 | ||
cdc97792 | 464 | port = urb->context; |
1da177e4 LT |
465 | p_priv = usb_get_serial_port_data(port); |
466 | data = urb->transfer_buffer; | |
467 | ||
2e124b4a | 468 | if (urb->actual_length) { |
05c7cd39 JS |
469 | tty_insert_flip_string(&port->port, data, |
470 | urb->actual_length); | |
2e124b4a | 471 | tty_flip_buffer_push(&port->port); |
1da177e4 LT |
472 | } |
473 | ||
474 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
475 | err = usb_submit_urb(urb, GFP_ATOMIC); |
476 | if (err != 0) | |
049c6b4e | 477 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
1f87158e | 478 | __func__, err); |
1da177e4 LT |
479 | p_priv->in_flip ^= 1; |
480 | ||
481 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
482 | } while (urb->status != -EINPROGRESS); | |
483 | } | |
484 | ||
7d12e780 | 485 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 486 | { |
1da177e4 LT |
487 | } |
488 | ||
7d12e780 | 489 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
490 | { |
491 | struct usb_serial_port *port; | |
492 | struct keyspan_port_private *p_priv; | |
493 | ||
cdc97792 | 494 | port = urb->context; |
1da177e4 LT |
495 | p_priv = usb_get_serial_port_data(port); |
496 | ||
497 | if (p_priv->resend_cont) { | |
049c6b4e | 498 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
499 | keyspan_usa28_send_setup(port->serial, port, |
500 | p_priv->resend_cont - 1); | |
1da177e4 LT |
501 | } |
502 | } | |
503 | ||
7d12e780 | 504 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
505 | { |
506 | int err; | |
507 | unsigned char *data = urb->transfer_buffer; | |
508 | struct keyspan_usa28_portStatusMessage *msg; | |
509 | struct usb_serial *serial; | |
510 | struct usb_serial_port *port; | |
511 | struct keyspan_port_private *p_priv; | |
512 | int old_dcd_state; | |
95b93454 | 513 | int status = urb->status; |
1da177e4 | 514 | |
cdc97792 | 515 | serial = urb->context; |
1da177e4 | 516 | |
95b93454 | 517 | if (status) { |
049c6b4e | 518 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
519 | return; |
520 | } | |
521 | ||
522 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
049c6b4e | 523 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
524 | goto exit; |
525 | } | |
526 | ||
715cf92a | 527 | /*dev_dbg(&urb->dev->dev, "%s %12ph", __func__, data);*/ |
1da177e4 | 528 | |
deb91685 AC |
529 | /* Now do something useful with the data */ |
530 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
1da177e4 | 531 | |
deb91685 | 532 | /* Check port number from message and retrieve private data */ |
1da177e4 | 533 | if (msg->port >= serial->num_ports) { |
049c6b4e | 534 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
535 | goto exit; |
536 | } | |
537 | port = serial->port[msg->port]; | |
538 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 539 | |
1da177e4 LT |
540 | /* Update handshaking pin state information */ |
541 | old_dcd_state = p_priv->dcd_state; | |
542 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
543 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
544 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
545 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
546 | ||
aa27a094 JS |
547 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
548 | tty_port_tty_hangup(&port->port, true); | |
1da177e4 LT |
549 | |
550 | /* Resubmit urb so we continue receiving */ | |
deb91685 AC |
551 | err = usb_submit_urb(urb, GFP_ATOMIC); |
552 | if (err != 0) | |
049c6b4e | 553 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
554 | exit: ; |
555 | } | |
556 | ||
7d12e780 | 557 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 558 | { |
1da177e4 LT |
559 | } |
560 | ||
561 | ||
7d12e780 | 562 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
563 | { |
564 | struct usb_serial *serial; | |
565 | struct usb_serial_port *port; | |
566 | struct keyspan_port_private *p_priv; | |
567 | int i; | |
568 | ||
cdc97792 | 569 | serial = urb->context; |
1da177e4 LT |
570 | for (i = 0; i < serial->num_ports; ++i) { |
571 | port = serial->port[i]; | |
572 | p_priv = usb_get_serial_port_data(port); | |
573 | ||
574 | if (p_priv->resend_cont) { | |
049c6b4e | 575 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
576 | keyspan_usa49_send_setup(serial, port, |
577 | p_priv->resend_cont - 1); | |
1da177e4 LT |
578 | break; |
579 | } | |
580 | } | |
581 | } | |
582 | ||
583 | /* This is actually called glostat in the Keyspan | |
584 | doco */ | |
7d12e780 | 585 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
586 | { |
587 | int err; | |
588 | unsigned char *data = urb->transfer_buffer; | |
589 | struct keyspan_usa49_portStatusMessage *msg; | |
590 | struct usb_serial *serial; | |
591 | struct usb_serial_port *port; | |
592 | struct keyspan_port_private *p_priv; | |
593 | int old_dcd_state; | |
95b93454 | 594 | int status = urb->status; |
1da177e4 | 595 | |
cdc97792 | 596 | serial = urb->context; |
1da177e4 | 597 | |
95b93454 | 598 | if (status) { |
049c6b4e | 599 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
600 | return; |
601 | } | |
602 | ||
deb91685 AC |
603 | if (urb->actual_length != |
604 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
049c6b4e | 605 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
606 | goto exit; |
607 | } | |
608 | ||
715cf92a | 609 | /*dev_dbg(&urb->dev->dev, "%s: %11ph", __func__, data);*/ |
deb91685 AC |
610 | |
611 | /* Now do something useful with the data */ | |
1da177e4 LT |
612 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
613 | ||
deb91685 | 614 | /* Check port number from message and retrieve private data */ |
1da177e4 | 615 | if (msg->portNumber >= serial->num_ports) { |
049c6b4e GKH |
616 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
617 | __func__, msg->portNumber); | |
1da177e4 LT |
618 | goto exit; |
619 | } | |
620 | port = serial->port[msg->portNumber]; | |
621 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 622 | |
1da177e4 LT |
623 | /* Update handshaking pin state information */ |
624 | old_dcd_state = p_priv->dcd_state; | |
625 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
626 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
627 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
628 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
629 | ||
aa27a094 JS |
630 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
631 | tty_port_tty_hangup(&port->port, true); | |
1da177e4 | 632 | |
deb91685 | 633 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
634 | err = usb_submit_urb(urb, GFP_ATOMIC); |
635 | if (err != 0) | |
049c6b4e | 636 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
637 | exit: ; |
638 | } | |
639 | ||
7d12e780 | 640 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 641 | { |
1da177e4 LT |
642 | } |
643 | ||
7d12e780 | 644 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
645 | { |
646 | int i, err; | |
647 | int endpoint; | |
648 | struct usb_serial_port *port; | |
1da177e4 | 649 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 650 | int status = urb->status; |
1da177e4 | 651 | |
1da177e4 LT |
652 | endpoint = usb_pipeendpoint(urb->pipe); |
653 | ||
95b93454 | 654 | if (status) { |
049c6b4e GKH |
655 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
656 | __func__, status, endpoint); | |
1da177e4 LT |
657 | return; |
658 | } | |
659 | ||
cdc97792 | 660 | port = urb->context; |
2e124b4a | 661 | if (urb->actual_length) { |
1da177e4 LT |
662 | /* 0x80 bit is error flag */ |
663 | if ((data[0] & 0x80) == 0) { | |
664 | /* no error on any byte */ | |
05c7cd39 | 665 | tty_insert_flip_string(&port->port, data + 1, |
f035a8ad | 666 | urb->actual_length - 1); |
1da177e4 LT |
667 | } else { |
668 | /* some bytes had errors, every byte has status */ | |
669 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
670 | int stat = data[i], flag = 0; | |
671 | if (stat & RXERROR_OVERRUN) | |
672 | flag |= TTY_OVERRUN; | |
673 | if (stat & RXERROR_FRAMING) | |
674 | flag |= TTY_FRAME; | |
675 | if (stat & RXERROR_PARITY) | |
676 | flag |= TTY_PARITY; | |
677 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
678 | tty_insert_flip_char(&port->port, data[i+1], |
679 | flag); | |
1da177e4 LT |
680 | } |
681 | } | |
2e124b4a | 682 | tty_flip_buffer_push(&port->port); |
1da177e4 | 683 | } |
deb91685 AC |
684 | |
685 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
686 | err = usb_submit_urb(urb, GFP_ATOMIC); |
687 | if (err != 0) | |
049c6b4e | 688 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
689 | } |
690 | ||
0ca1268e LM |
691 | static void usa49wg_indat_callback(struct urb *urb) |
692 | { | |
693 | int i, len, x, err; | |
694 | struct usb_serial *serial; | |
695 | struct usb_serial_port *port; | |
0ca1268e | 696 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 697 | int status = urb->status; |
0ca1268e | 698 | |
0ca1268e LM |
699 | serial = urb->context; |
700 | ||
95b93454 | 701 | if (status) { |
049c6b4e | 702 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
703 | return; |
704 | } | |
705 | ||
706 | /* inbound data is in the form P#, len, status, data */ | |
707 | i = 0; | |
708 | len = 0; | |
709 | ||
6a3ae841 | 710 | while (i < urb->actual_length) { |
0ca1268e | 711 | |
6a3ae841 DC |
712 | /* Check port number from message */ |
713 | if (data[i] >= serial->num_ports) { | |
714 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", | |
715 | __func__, data[i]); | |
716 | return; | |
717 | } | |
718 | port = serial->port[data[i++]]; | |
719 | len = data[i++]; | |
0ca1268e | 720 | |
6a3ae841 DC |
721 | /* 0x80 bit is error flag */ |
722 | if ((data[i] & 0x80) == 0) { | |
723 | /* no error on any byte */ | |
724 | i++; | |
01a60e76 | 725 | for (x = 1; x < len && i < urb->actual_length; ++x) |
6a3ae841 DC |
726 | tty_insert_flip_char(&port->port, |
727 | data[i++], 0); | |
728 | } else { | |
729 | /* | |
730 | * some bytes had errors, every byte has status | |
731 | */ | |
01a60e76 DC |
732 | for (x = 0; x + 1 < len && |
733 | i + 1 < urb->actual_length; x += 2) { | |
6a3ae841 DC |
734 | int stat = data[i], flag = 0; |
735 | ||
736 | if (stat & RXERROR_OVERRUN) | |
737 | flag |= TTY_OVERRUN; | |
738 | if (stat & RXERROR_FRAMING) | |
739 | flag |= TTY_FRAME; | |
740 | if (stat & RXERROR_PARITY) | |
741 | flag |= TTY_PARITY; | |
742 | /* XXX should handle break (0x10) */ | |
743 | tty_insert_flip_char(&port->port, data[i+1], | |
744 | flag); | |
745 | i += 2; | |
0ca1268e | 746 | } |
0ca1268e | 747 | } |
6a3ae841 | 748 | tty_flip_buffer_push(&port->port); |
0ca1268e LM |
749 | } |
750 | ||
751 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
752 | err = usb_submit_urb(urb, GFP_ATOMIC); |
753 | if (err != 0) | |
049c6b4e | 754 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
755 | } |
756 | ||
1da177e4 | 757 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 758 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 759 | { |
1da177e4 LT |
760 | } |
761 | ||
0ca1268e | 762 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
763 | { |
764 | int i, err; | |
765 | int endpoint; | |
766 | struct usb_serial_port *port; | |
767 | struct keyspan_port_private *p_priv; | |
1da177e4 | 768 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 769 | int status = urb->status; |
1da177e4 | 770 | |
1da177e4 LT |
771 | endpoint = usb_pipeendpoint(urb->pipe); |
772 | ||
95b93454 | 773 | if (status) { |
049c6b4e | 774 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
441b62c1 | 775 | __func__, status, endpoint); |
1da177e4 LT |
776 | return; |
777 | } | |
778 | ||
cdc97792 | 779 | port = urb->context; |
1da177e4 LT |
780 | p_priv = usb_get_serial_port_data(port); |
781 | ||
1da177e4 | 782 | if (urb->actual_length) { |
1da177e4 | 783 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 784 | otherwise looks like usa26 data format */ |
1da177e4 | 785 | |
f035a8ad | 786 | if (p_priv->baud > 57600) |
05c7cd39 JS |
787 | tty_insert_flip_string(&port->port, data, |
788 | urb->actual_length); | |
f035a8ad | 789 | else { |
1da177e4 LT |
790 | /* 0x80 bit is error flag */ |
791 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
792 | /* no errors on individual bytes, only |
793 | possible overrun err*/ | |
1da177e4 | 794 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
795 | err = TTY_OVERRUN; |
796 | else | |
797 | err = 0; | |
798 | for (i = 1; i < urb->actual_length ; ++i) | |
92a19f9c JS |
799 | tty_insert_flip_char(&port->port, |
800 | data[i], err); | |
deb91685 | 801 | } else { |
1da177e4 | 802 | /* some bytes had errors, every byte has status */ |
049c6b4e | 803 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 LT |
804 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
805 | int stat = data[i], flag = 0; | |
806 | if (stat & RXERROR_OVERRUN) | |
807 | flag |= TTY_OVERRUN; | |
808 | if (stat & RXERROR_FRAMING) | |
809 | flag |= TTY_FRAME; | |
810 | if (stat & RXERROR_PARITY) | |
811 | flag |= TTY_PARITY; | |
812 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
813 | tty_insert_flip_char(&port->port, |
814 | data[i+1], flag); | |
1da177e4 LT |
815 | } |
816 | } | |
817 | } | |
2e124b4a | 818 | tty_flip_buffer_push(&port->port); |
1da177e4 | 819 | } |
deb91685 | 820 | |
1da177e4 | 821 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
822 | err = usb_submit_urb(urb, GFP_ATOMIC); |
823 | if (err != 0) | |
049c6b4e | 824 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
825 | } |
826 | ||
827 | ||
7d12e780 | 828 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
829 | { |
830 | unsigned char *data = urb->transfer_buffer; | |
831 | struct keyspan_usa90_portStatusMessage *msg; | |
832 | struct usb_serial *serial; | |
833 | struct usb_serial_port *port; | |
834 | struct keyspan_port_private *p_priv; | |
835 | int old_dcd_state, err; | |
95b93454 | 836 | int status = urb->status; |
1da177e4 | 837 | |
cdc97792 | 838 | serial = urb->context; |
1da177e4 | 839 | |
95b93454 | 840 | if (status) { |
049c6b4e | 841 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
842 | return; |
843 | } | |
844 | if (urb->actual_length < 14) { | |
049c6b4e | 845 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
846 | goto exit; |
847 | } | |
848 | ||
849 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
850 | ||
851 | /* Now do something useful with the data */ | |
852 | ||
853 | port = serial->port[0]; | |
854 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 855 | |
1da177e4 LT |
856 | /* Update handshaking pin state information */ |
857 | old_dcd_state = p_priv->dcd_state; | |
858 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
859 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
860 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
861 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
862 | ||
aa27a094 JS |
863 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
864 | tty_port_tty_hangup(&port->port, true); | |
deb91685 | 865 | |
1da177e4 | 866 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
867 | err = usb_submit_urb(urb, GFP_ATOMIC); |
868 | if (err != 0) | |
049c6b4e | 869 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
870 | exit: |
871 | ; | |
872 | } | |
873 | ||
7d12e780 | 874 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
875 | { |
876 | struct usb_serial_port *port; | |
877 | struct keyspan_port_private *p_priv; | |
878 | ||
cdc97792 | 879 | port = urb->context; |
1da177e4 LT |
880 | p_priv = usb_get_serial_port_data(port); |
881 | ||
882 | if (p_priv->resend_cont) { | |
049c6b4e | 883 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
884 | keyspan_usa90_send_setup(port->serial, port, |
885 | p_priv->resend_cont - 1); | |
1da177e4 LT |
886 | } |
887 | } | |
888 | ||
0ca1268e LM |
889 | /* Status messages from the 28xg */ |
890 | static void usa67_instat_callback(struct urb *urb) | |
891 | { | |
892 | int err; | |
893 | unsigned char *data = urb->transfer_buffer; | |
894 | struct keyspan_usa67_portStatusMessage *msg; | |
895 | struct usb_serial *serial; | |
896 | struct usb_serial_port *port; | |
897 | struct keyspan_port_private *p_priv; | |
898 | int old_dcd_state; | |
95b93454 | 899 | int status = urb->status; |
0ca1268e | 900 | |
0ca1268e LM |
901 | serial = urb->context; |
902 | ||
95b93454 | 903 | if (status) { |
049c6b4e | 904 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
905 | return; |
906 | } | |
907 | ||
deb91685 AC |
908 | if (urb->actual_length != |
909 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
049c6b4e | 910 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
0ca1268e LM |
911 | return; |
912 | } | |
913 | ||
914 | ||
915 | /* Now do something useful with the data */ | |
916 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
917 | ||
918 | /* Check port number from message and retrieve private data */ | |
919 | if (msg->port >= serial->num_ports) { | |
049c6b4e | 920 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
0ca1268e LM |
921 | return; |
922 | } | |
923 | ||
924 | port = serial->port[msg->port]; | |
925 | p_priv = usb_get_serial_port_data(port); | |
926 | ||
927 | /* Update handshaking pin state information */ | |
928 | old_dcd_state = p_priv->dcd_state; | |
929 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
930 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
931 | ||
aa27a094 JS |
932 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) |
933 | tty_port_tty_hangup(&port->port, true); | |
0ca1268e LM |
934 | |
935 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
936 | err = usb_submit_urb(urb, GFP_ATOMIC); |
937 | if (err != 0) | |
049c6b4e | 938 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
939 | } |
940 | ||
941 | static void usa67_glocont_callback(struct urb *urb) | |
942 | { | |
943 | struct usb_serial *serial; | |
944 | struct usb_serial_port *port; | |
945 | struct keyspan_port_private *p_priv; | |
946 | int i; | |
947 | ||
0ca1268e LM |
948 | serial = urb->context; |
949 | for (i = 0; i < serial->num_ports; ++i) { | |
950 | port = serial->port[i]; | |
951 | p_priv = usb_get_serial_port_data(port); | |
952 | ||
953 | if (p_priv->resend_cont) { | |
049c6b4e | 954 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
0ca1268e LM |
955 | keyspan_usa67_send_setup(serial, port, |
956 | p_priv->resend_cont - 1); | |
957 | break; | |
958 | } | |
959 | } | |
960 | } | |
961 | ||
95da310e | 962 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 963 | { |
95da310e | 964 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
965 | struct keyspan_port_private *p_priv; |
966 | const struct keyspan_device_details *d_details; | |
967 | int flip; | |
968 | int data_len; | |
969 | struct urb *this_urb; | |
970 | ||
1da177e4 LT |
971 | p_priv = usb_get_serial_port_data(port); |
972 | d_details = p_priv->device_details; | |
973 | ||
a5b6f60c | 974 | /* FIXME: locking */ |
1da177e4 | 975 | if (d_details->msg_format == msg_usa90) |
deb91685 | 976 | data_len = 64; |
1da177e4 LT |
977 | else |
978 | data_len = 63; | |
979 | ||
980 | flip = p_priv->out_flip; | |
981 | ||
982 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
983 | this_urb = p_priv->out_urbs[flip]; |
984 | if (this_urb != NULL) { | |
1da177e4 | 985 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
986 | return data_len; |
987 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
988 | this_urb = p_priv->out_urbs[flip]; | |
989 | if (this_urb != NULL) { | |
1da177e4 | 990 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
991 | return data_len; |
992 | } | |
1da177e4 | 993 | } |
a5b6f60c | 994 | return 0; |
1da177e4 LT |
995 | } |
996 | ||
997 | ||
a509a7e4 | 998 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 999 | { |
f78ba157 | 1000 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1001 | const struct keyspan_device_details *d_details; |
1002 | int i, err; | |
f78ba157 | 1003 | int baud_rate, device_port; |
1da177e4 | 1004 | struct urb *urb; |
95da310e | 1005 | unsigned int cflag = 0; |
1da177e4 | 1006 | |
1da177e4 LT |
1007 | p_priv = usb_get_serial_port_data(port); |
1008 | d_details = p_priv->device_details; | |
7eea4364 | 1009 | |
1da177e4 LT |
1010 | /* Set some sane defaults */ |
1011 | p_priv->rts_state = 1; | |
1012 | p_priv->dtr_state = 1; | |
1013 | p_priv->baud = 9600; | |
1014 | ||
1015 | /* force baud and lcr to be set on open */ | |
1016 | p_priv->old_baud = 0; | |
1017 | p_priv->old_cflag = 0; | |
1018 | ||
1019 | p_priv->out_flip = 0; | |
1020 | p_priv->in_flip = 0; | |
1021 | ||
1022 | /* Reset low level data toggle and start reading from endpoints */ | |
1023 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1024 | urb = p_priv->in_urbs[i]; |
1025 | if (urb == NULL) | |
1da177e4 | 1026 | continue; |
1da177e4 | 1027 | |
deb91685 AC |
1028 | /* make sure endpoint data toggle is synchronized |
1029 | with the device */ | |
1da177e4 | 1030 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1031 | err = usb_submit_urb(urb, GFP_KERNEL); |
1032 | if (err != 0) | |
049c6b4e | 1033 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
1da177e4 LT |
1034 | } |
1035 | ||
1036 | /* Reset low level data toggle on out endpoints */ | |
1037 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1038 | urb = p_priv->out_urbs[i]; |
1039 | if (urb == NULL) | |
1da177e4 | 1040 | continue; |
deb91685 AC |
1041 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1042 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1043 | } |
1044 | ||
f78ba157 AM |
1045 | /* get the terminal config for the setup message now so we don't |
1046 | * need to send 2 of them */ | |
1047 | ||
1143832e | 1048 | device_port = port->port_number; |
95da310e | 1049 | if (tty) { |
adc8d746 | 1050 | cflag = tty->termios.c_cflag; |
95da310e AC |
1051 | /* Baud rate calculation takes baud rate as an integer |
1052 | so other rates can be generated if desired. */ | |
1053 | baud_rate = tty_get_baud_rate(tty); | |
1054 | /* If no match or invalid, leave as default */ | |
1055 | if (baud_rate >= 0 | |
049c6b4e | 1056 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
95da310e AC |
1057 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
1058 | p_priv->baud = baud_rate; | |
1059 | } | |
f78ba157 | 1060 | } |
f78ba157 AM |
1061 | /* set CTS/RTS handshake etc. */ |
1062 | p_priv->cflag = cflag; | |
2b982ab1 | 1063 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1064 | |
1065 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1066 | /* mdelay(100); */ |
1067 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1068 | |
a5b6f60c | 1069 | return 0; |
1da177e4 LT |
1070 | } |
1071 | ||
1072 | static inline void stop_urb(struct urb *urb) | |
1073 | { | |
242cf670 | 1074 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1075 | usb_kill_urb(urb); |
1da177e4 LT |
1076 | } |
1077 | ||
335f8514 AC |
1078 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1079 | { | |
1080 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1081 | ||
1082 | p_priv->rts_state = on; | |
1083 | p_priv->dtr_state = on; | |
1084 | keyspan_send_setup(port, 0); | |
1085 | } | |
1086 | ||
1087 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1088 | { |
1089 | int i; | |
1da177e4 LT |
1090 | struct keyspan_port_private *p_priv; |
1091 | ||
1da177e4 | 1092 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1093 | |
1da177e4 LT |
1094 | p_priv->rts_state = 0; |
1095 | p_priv->dtr_state = 0; | |
deb91685 | 1096 | |
80dfe0ce JH |
1097 | keyspan_send_setup(port, 2); |
1098 | /* pilot-xfer seems to work best with this delay */ | |
1099 | mdelay(100); | |
1da177e4 LT |
1100 | |
1101 | p_priv->out_flip = 0; | |
1102 | p_priv->in_flip = 0; | |
1103 | ||
80dfe0ce JH |
1104 | stop_urb(p_priv->inack_urb); |
1105 | for (i = 0; i < 2; i++) { | |
1106 | stop_urb(p_priv->in_urbs[i]); | |
1107 | stop_urb(p_priv->out_urbs[i]); | |
1da177e4 | 1108 | } |
1da177e4 LT |
1109 | } |
1110 | ||
deb91685 AC |
1111 | /* download the firmware to a pre-renumeration device */ |
1112 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 | 1113 | { |
8d733e26 | 1114 | char *fw_name; |
1da177e4 | 1115 | |
049c6b4e GKH |
1116 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
1117 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1118 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1119 | |
1120 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1121 | != 0x8000) { | |
049c6b4e | 1122 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
deb91685 | 1123 | return 1; |
1da177e4 LT |
1124 | } |
1125 | ||
1126 | /* Select firmware image on the basis of idProduct */ | |
1127 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1128 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1129 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1130 | break; |
1131 | ||
1132 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1133 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1134 | break; |
1135 | ||
1136 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1137 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1138 | break; |
1139 | ||
1140 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1141 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1142 | break; |
1143 | ||
1144 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1145 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1146 | break; |
deb91685 | 1147 | |
1da177e4 | 1148 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1149 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1150 | break; |
deb91685 | 1151 | |
1da177e4 | 1152 | case keyspan_mpr_pre_product_id: |
2971c579 | 1153 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1154 | break; |
1155 | ||
1156 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1157 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1158 | break; |
deb91685 | 1159 | |
1da177e4 | 1160 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1161 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1162 | break; |
deb91685 | 1163 | |
1da177e4 | 1164 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1165 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1166 | break; |
deb91685 | 1167 | |
1da177e4 | 1168 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1169 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1170 | break; |
1171 | ||
1172 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1173 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1174 | break; |
1175 | ||
1176 | default: | |
2971c579 DW |
1177 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1178 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1179 | return 1; | |
1da177e4 LT |
1180 | } |
1181 | ||
049c6b4e | 1182 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
1da177e4 | 1183 | |
8d733e26 RB |
1184 | if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { |
1185 | dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", | |
1186 | fw_name); | |
1187 | return -ENOENT; | |
1da177e4 | 1188 | } |
8d733e26 RB |
1189 | |
1190 | /* after downloading firmware Renumeration will occur in a | |
1191 | moment and the new device will bind to the real driver */ | |
1da177e4 LT |
1192 | |
1193 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1194 | return 1; |
1da177e4 LT |
1195 | } |
1196 | ||
1197 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1198 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1199 | int endpoint) | |
1200 | { | |
1201 | struct usb_host_interface *iface_desc; | |
1202 | struct usb_endpoint_descriptor *ep; | |
1203 | int i; | |
1204 | ||
1205 | iface_desc = serial->interface->cur_altsetting; | |
1206 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1207 | ep = &iface_desc->endpoint[i].desc; | |
1208 | if (ep->bEndpointAddress == endpoint) | |
1209 | return ep; | |
1210 | } | |
1211 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1212 | "endpoint %x\n", endpoint); | |
1213 | return NULL; | |
1214 | } | |
1215 | ||
deb91685 | 1216 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1217 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1218 | void (*callback)(struct urb *)) |
1da177e4 LT |
1219 | { |
1220 | struct urb *urb; | |
fdcba53e RW |
1221 | struct usb_endpoint_descriptor const *ep_desc; |
1222 | char const *ep_type_name; | |
1da177e4 LT |
1223 | |
1224 | if (endpoint == -1) | |
1225 | return NULL; /* endpoint not needed */ | |
1226 | ||
049c6b4e | 1227 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); |
1da177e4 LT |
1228 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1229 | if (urb == NULL) { | |
049c6b4e | 1230 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d failed.\n", __func__, endpoint); |
1da177e4 LT |
1231 | return NULL; |
1232 | } | |
1233 | ||
0ca1268e LM |
1234 | if (endpoint == 0) { |
1235 | /* control EP filled in when used */ | |
1236 | return urb; | |
1237 | } | |
1238 | ||
fdcba53e RW |
1239 | ep_desc = find_ep(serial, endpoint); |
1240 | if (!ep_desc) { | |
1241 | /* leak the urb, something's wrong and the callers don't care */ | |
1242 | return urb; | |
1243 | } | |
1244 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1245 | ep_type_name = "INT"; | |
1246 | usb_fill_int_urb(urb, serial->dev, | |
1247 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1248 | buf, len, callback, ctx, | |
1249 | ep_desc->bInterval); | |
1250 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1251 | ep_type_name = "BULK"; | |
1252 | usb_fill_bulk_urb(urb, serial->dev, | |
1253 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1254 | buf, len, callback, ctx); | |
1255 | } else { | |
1256 | dev_warn(&serial->interface->dev, | |
1257 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1258 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1259 | usb_free_urb(urb); |
1260 | return NULL; | |
1261 | } | |
1da177e4 | 1262 | |
049c6b4e | 1263 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
fdcba53e | 1264 | __func__, urb, ep_type_name, endpoint); |
1da177e4 LT |
1265 | return urb; |
1266 | } | |
1267 | ||
1268 | static struct callbacks { | |
7d12e780 DH |
1269 | void (*instat_callback)(struct urb *); |
1270 | void (*glocont_callback)(struct urb *); | |
1271 | void (*indat_callback)(struct urb *); | |
1272 | void (*outdat_callback)(struct urb *); | |
1273 | void (*inack_callback)(struct urb *); | |
1274 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1275 | } keyspan_callbacks[] = { |
1276 | { | |
1277 | /* msg_usa26 callbacks */ | |
1278 | .instat_callback = usa26_instat_callback, | |
1279 | .glocont_callback = usa26_glocont_callback, | |
1280 | .indat_callback = usa26_indat_callback, | |
1281 | .outdat_callback = usa2x_outdat_callback, | |
1282 | .inack_callback = usa26_inack_callback, | |
1283 | .outcont_callback = usa26_outcont_callback, | |
1284 | }, { | |
1285 | /* msg_usa28 callbacks */ | |
1286 | .instat_callback = usa28_instat_callback, | |
1287 | .glocont_callback = usa28_glocont_callback, | |
1288 | .indat_callback = usa28_indat_callback, | |
1289 | .outdat_callback = usa2x_outdat_callback, | |
1290 | .inack_callback = usa28_inack_callback, | |
1291 | .outcont_callback = usa28_outcont_callback, | |
1292 | }, { | |
1293 | /* msg_usa49 callbacks */ | |
1294 | .instat_callback = usa49_instat_callback, | |
1295 | .glocont_callback = usa49_glocont_callback, | |
1296 | .indat_callback = usa49_indat_callback, | |
1297 | .outdat_callback = usa2x_outdat_callback, | |
1298 | .inack_callback = usa49_inack_callback, | |
1299 | .outcont_callback = usa49_outcont_callback, | |
1300 | }, { | |
1301 | /* msg_usa90 callbacks */ | |
1302 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1303 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1304 | .indat_callback = usa90_indat_callback, |
1305 | .outdat_callback = usa2x_outdat_callback, | |
1306 | .inack_callback = usa28_inack_callback, | |
1307 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1308 | }, { |
1309 | /* msg_usa67 callbacks */ | |
1310 | .instat_callback = usa67_instat_callback, | |
1311 | .glocont_callback = usa67_glocont_callback, | |
1312 | .indat_callback = usa26_indat_callback, | |
1313 | .outdat_callback = usa2x_outdat_callback, | |
1314 | .inack_callback = usa26_inack_callback, | |
1315 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1316 | } |
1317 | }; | |
1318 | ||
1319 | /* Generic setup urbs function that uses | |
1320 | data in device_details */ | |
1321 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1322 | { | |
1da177e4 LT |
1323 | struct keyspan_serial_private *s_priv; |
1324 | const struct keyspan_device_details *d_details; | |
1da177e4 | 1325 | struct callbacks *cback; |
1da177e4 | 1326 | |
1da177e4 LT |
1327 | s_priv = usb_get_serial_data(serial); |
1328 | d_details = s_priv->device_details; | |
1329 | ||
deb91685 | 1330 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1331 | cback = &keyspan_callbacks[d_details->msg_format]; |
1332 | ||
deb91685 AC |
1333 | /* Allocate and set up urbs for each one that is in use, |
1334 | starting with instat endpoints */ | |
1da177e4 LT |
1335 | s_priv->instat_urb = keyspan_setup_urb |
1336 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1337 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1338 | cback->instat_callback); | |
1339 | ||
0ca1268e LM |
1340 | s_priv->indat_urb = keyspan_setup_urb |
1341 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1342 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1343 | usa49wg_indat_callback); | |
1344 | ||
1da177e4 LT |
1345 | s_priv->glocont_urb = keyspan_setup_urb |
1346 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1347 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1348 | cback->glocont_callback); | |
1da177e4 LT |
1349 | } |
1350 | ||
1351 | /* usa19 function doesn't require prescaler */ | |
049c6b4e GKH |
1352 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
1353 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1354 | u8 *rate_low, u8 *prescaler, int portnum) |
1355 | { | |
1356 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1357 | div, /* divisor */ |
1da177e4 | 1358 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1359 | |
049c6b4e | 1360 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
deb91685 AC |
1361 | |
1362 | /* prevent divide by zero... */ | |
1363 | b16 = baud_rate * 16L; | |
1364 | if (b16 == 0) | |
1365 | return KEYSPAN_INVALID_BAUD_RATE; | |
1366 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1367 | as we run out of divisor resolution. */ | |
1368 | if (baud_rate > 57600) | |
1369 | return KEYSPAN_INVALID_BAUD_RATE; | |
1370 | ||
1371 | /* calculate the divisor and the counter (its inverse) */ | |
1372 | div = baudclk / b16; | |
1373 | if (div == 0) | |
1374 | return KEYSPAN_INVALID_BAUD_RATE; | |
1375 | else | |
1da177e4 | 1376 | cnt = 0 - div; |
1da177e4 | 1377 | |
deb91685 AC |
1378 | if (div > 0xffff) |
1379 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1380 | |
deb91685 AC |
1381 | /* return the counter values if non-null */ |
1382 | if (rate_low) | |
1da177e4 | 1383 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1384 | if (rate_hi) |
1da177e4 | 1385 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 | 1386 | if (rate_low && rate_hi) |
049c6b4e | 1387 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1388 | __func__, baud_rate, *rate_hi, *rate_low); |
1389 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1390 | } |
1391 | ||
1392 | /* usa19hs function doesn't require prescaler */ | |
049c6b4e GKH |
1393 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
1394 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1395 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1396 | { |
1397 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1398 | div; /* divisor */ |
1da177e4 | 1399 | |
049c6b4e | 1400 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1401 | |
deb91685 AC |
1402 | /* prevent divide by zero... */ |
1403 | b16 = baud_rate * 16L; | |
1404 | if (b16 == 0) | |
1405 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1406 | |
deb91685 AC |
1407 | /* calculate the divisor */ |
1408 | div = baudclk / b16; | |
1409 | if (div == 0) | |
1410 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1411 | |
deb91685 AC |
1412 | if (div > 0xffff) |
1413 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1414 | |
deb91685 AC |
1415 | /* return the counter values if non-null */ |
1416 | if (rate_low) | |
1da177e4 | 1417 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1418 | |
1419 | if (rate_hi) | |
1da177e4 | 1420 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1421 | |
1422 | if (rate_low && rate_hi) | |
049c6b4e | 1423 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1424 | __func__, baud_rate, *rate_hi, *rate_low); |
1425 | ||
1426 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1427 | } |
1428 | ||
049c6b4e GKH |
1429 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
1430 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1431 | u8 *rate_low, u8 *prescaler, int portnum) |
1432 | { | |
1433 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1434 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1435 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1436 | res, /* resulting baud rate using 13/8 prescaler */ |
1437 | diff, /* error using 13/8 prescaler */ | |
1438 | smallest_diff; | |
1439 | u8 best_prescaler; | |
1440 | int i; | |
1441 | ||
049c6b4e | 1442 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1443 | |
deb91685 AC |
1444 | /* prevent divide by zero */ |
1445 | b16 = baud_rate * 16L; | |
1446 | if (b16 == 0) | |
1447 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1448 | |
deb91685 AC |
1449 | /* Calculate prescaler by trying them all and looking |
1450 | for best fit */ | |
1451 | ||
1452 | /* start with largest possible difference */ | |
1da177e4 LT |
1453 | smallest_diff = 0xffffffff; |
1454 | ||
1455 | /* 0 is an invalid prescaler, used as a flag */ | |
1456 | best_prescaler = 0; | |
1457 | ||
deb91685 | 1458 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1459 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1460 | |
1461 | div = clk / b16; | |
1462 | if (div == 0) | |
1da177e4 | 1463 | continue; |
1da177e4 LT |
1464 | |
1465 | res = clk / div; | |
deb91685 | 1466 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1467 | |
deb91685 | 1468 | if (diff < smallest_diff) { |
1da177e4 LT |
1469 | best_prescaler = i; |
1470 | smallest_diff = diff; | |
1471 | } | |
1472 | } | |
1473 | ||
deb91685 AC |
1474 | if (best_prescaler == 0) |
1475 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1476 | |
1477 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1478 | div = clk / b16; | |
1479 | ||
deb91685 AC |
1480 | /* return the divisor and prescaler if non-null */ |
1481 | if (rate_low) | |
1da177e4 | 1482 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1483 | if (rate_hi) |
1da177e4 | 1484 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1485 | if (prescaler) { |
1486 | *prescaler = best_prescaler; | |
049c6b4e | 1487 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
1da177e4 | 1488 | } |
deb91685 | 1489 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1490 | } |
1491 | ||
1492 | /* USA-28 supports different maximum baud rates on each port */ | |
049c6b4e GKH |
1493 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
1494 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1495 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1496 | { |
1497 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1498 | div, /* divisor */ |
1da177e4 LT |
1499 | cnt; /* inverse of divisor (programmed into 8051) */ |
1500 | ||
049c6b4e | 1501 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 LT |
1502 | |
1503 | /* prevent divide by zero */ | |
deb91685 AC |
1504 | b16 = baud_rate * 16L; |
1505 | if (b16 == 0) | |
1506 | return KEYSPAN_INVALID_BAUD_RATE; | |
1507 | ||
1508 | /* calculate the divisor and the counter (its inverse) */ | |
1509 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1510 | if (div == 0) | |
1511 | return KEYSPAN_INVALID_BAUD_RATE; | |
1512 | else | |
1da177e4 | 1513 | cnt = 0 - div; |
1da177e4 | 1514 | |
deb91685 AC |
1515 | /* check for out of range, based on portnum, |
1516 | and return result */ | |
1517 | if (portnum == 0) { | |
1518 | if (div > 0xffff) | |
1519 | return KEYSPAN_INVALID_BAUD_RATE; | |
1520 | } else { | |
1521 | if (portnum == 1) { | |
1522 | if (div > 0xff) | |
1523 | return KEYSPAN_INVALID_BAUD_RATE; | |
1524 | } else | |
1525 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1526 | } |
1527 | ||
1528 | /* return the counter values if not NULL | |
1529 | (port 1 will ignore retHi) */ | |
deb91685 | 1530 | if (rate_low) |
1da177e4 | 1531 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1532 | if (rate_hi) |
1da177e4 | 1533 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
049c6b4e | 1534 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
deb91685 | 1535 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1536 | } |
1537 | ||
1538 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1539 | struct usb_serial_port *port, | |
1540 | int reset_port) | |
1541 | { | |
deb91685 | 1542 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1543 | struct keyspan_serial_private *s_priv; |
1544 | struct keyspan_port_private *p_priv; | |
1545 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1546 | struct urb *this_urb; |
1547 | int device_port, err; | |
1548 | ||
049c6b4e | 1549 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
1da177e4 LT |
1550 | |
1551 | s_priv = usb_get_serial_data(serial); | |
1552 | p_priv = usb_get_serial_port_data(port); | |
1553 | d_details = s_priv->device_details; | |
1143832e | 1554 | device_port = port->port_number; |
1da177e4 | 1555 | |
1da177e4 LT |
1556 | this_urb = p_priv->outcont_urb; |
1557 | ||
049c6b4e | 1558 | dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1559 | |
1560 | /* Make sure we have an urb then send the message */ | |
1561 | if (this_urb == NULL) { | |
049c6b4e | 1562 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1563 | return -1; |
1564 | } | |
1565 | ||
1566 | /* Save reset port val for resend. | |
0ca1268e LM |
1567 | Don't overwrite resend for open/close condition. */ |
1568 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1569 | p_priv->resend_cont = reset_port + 1; |
1570 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1571 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1572 | mdelay(5); |
deb91685 | 1573 | return -1; |
1da177e4 LT |
1574 | } |
1575 | ||
deb91685 AC |
1576 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1577 | ||
1578 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1579 | if (p_priv->old_baud != p_priv->baud) { |
1580 | p_priv->old_baud = p_priv->baud; | |
1581 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1582 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1583 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1584 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1585 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1586 | __func__, p_priv->baud); | |
1da177e4 LT |
1587 | msg.baudLo = 0; |
1588 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1589 | msg.prescaler = 10; | |
1590 | } | |
1591 | msg.setPrescaler = 0xff; | |
1592 | } | |
1593 | ||
2b982ab1 | 1594 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1595 | switch (p_priv->cflag & CSIZE) { |
1596 | case CS5: | |
1597 | msg.lcr |= USA_DATABITS_5; | |
1598 | break; | |
1599 | case CS6: | |
1600 | msg.lcr |= USA_DATABITS_6; | |
1601 | break; | |
1602 | case CS7: | |
1603 | msg.lcr |= USA_DATABITS_7; | |
1604 | break; | |
1605 | case CS8: | |
1606 | msg.lcr |= USA_DATABITS_8; | |
1607 | break; | |
1608 | } | |
1609 | if (p_priv->cflag & PARENB) { | |
1610 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1611 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1612 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1613 | } |
1614 | msg.setLcr = 0xff; | |
1615 | ||
1616 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1617 | msg.xonFlowControl = 0; | |
1618 | msg.setFlowControl = 0xff; | |
1619 | msg.forwardingLength = 16; | |
1620 | msg.xonChar = 17; | |
1621 | msg.xoffChar = 19; | |
1622 | ||
1623 | /* Opening port */ | |
1624 | if (reset_port == 1) { | |
1625 | msg._txOn = 1; | |
1626 | msg._txOff = 0; | |
1627 | msg.txFlush = 0; | |
1628 | msg.txBreak = 0; | |
1629 | msg.rxOn = 1; | |
1630 | msg.rxOff = 0; | |
1631 | msg.rxFlush = 1; | |
1632 | msg.rxForward = 0; | |
1633 | msg.returnStatus = 0; | |
1634 | msg.resetDataToggle = 0xff; | |
1635 | } | |
1636 | ||
1637 | /* Closing port */ | |
1638 | else if (reset_port == 2) { | |
1639 | msg._txOn = 0; | |
1640 | msg._txOff = 1; | |
1641 | msg.txFlush = 0; | |
1642 | msg.txBreak = 0; | |
1643 | msg.rxOn = 0; | |
1644 | msg.rxOff = 1; | |
1645 | msg.rxFlush = 1; | |
1646 | msg.rxForward = 0; | |
1647 | msg.returnStatus = 0; | |
1648 | msg.resetDataToggle = 0; | |
1649 | } | |
1650 | ||
1651 | /* Sending intermediate configs */ | |
1652 | else { | |
deb91685 | 1653 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1654 | msg._txOff = 0; |
1655 | msg.txFlush = 0; | |
1656 | msg.txBreak = (p_priv->break_on); | |
1657 | msg.rxOn = 0; | |
1658 | msg.rxOff = 0; | |
1659 | msg.rxFlush = 0; | |
1660 | msg.rxForward = 0; | |
1661 | msg.returnStatus = 0; | |
1662 | msg.resetDataToggle = 0x0; | |
1663 | } | |
1664 | ||
deb91685 | 1665 | /* Do handshaking outputs */ |
1da177e4 LT |
1666 | msg.setTxTriState_setRts = 0xff; |
1667 | msg.txTriState_rts = p_priv->rts_state; | |
1668 | ||
1669 | msg.setHskoa_setDtr = 0xff; | |
1670 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1671 | |
1da177e4 | 1672 | p_priv->resend_cont = 0; |
deb91685 AC |
1673 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1674 | ||
1da177e4 LT |
1675 | /* send the data out the device on control endpoint */ |
1676 | this_urb->transfer_buffer_length = sizeof(msg); | |
1677 | ||
deb91685 AC |
1678 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1679 | if (err != 0) | |
049c6b4e | 1680 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 1681 | return 0; |
1da177e4 LT |
1682 | } |
1683 | ||
1684 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1685 | struct usb_serial_port *port, | |
1686 | int reset_port) | |
1687 | { | |
deb91685 | 1688 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1689 | struct keyspan_serial_private *s_priv; |
1690 | struct keyspan_port_private *p_priv; | |
1691 | const struct keyspan_device_details *d_details; | |
1692 | struct urb *this_urb; | |
1693 | int device_port, err; | |
1694 | ||
1da177e4 LT |
1695 | s_priv = usb_get_serial_data(serial); |
1696 | p_priv = usb_get_serial_port_data(port); | |
1697 | d_details = s_priv->device_details; | |
1143832e | 1698 | device_port = port->port_number; |
1da177e4 LT |
1699 | |
1700 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1701 | this_urb = p_priv->outcont_urb; |
1702 | if (this_urb == NULL) { | |
049c6b4e | 1703 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1704 | return -1; |
1705 | } | |
1706 | ||
1707 | /* Save reset port val for resend. | |
0ca1268e LM |
1708 | Don't overwrite resend for open/close condition. */ |
1709 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1710 | p_priv->resend_cont = reset_port + 1; |
1711 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1712 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 1713 | mdelay(5); |
deb91685 | 1714 | return -1; |
1da177e4 LT |
1715 | } |
1716 | ||
deb91685 | 1717 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
1718 | |
1719 | msg.setBaudRate = 1; | |
049c6b4e GKH |
1720 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1721 | &msg.baudHi, &msg.baudLo, NULL, | |
1722 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1723 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", | |
deb91685 | 1724 | __func__, p_priv->baud); |
1da177e4 LT |
1725 | msg.baudLo = 0xff; |
1726 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
1727 | } | |
1728 | ||
1729 | /* If parity is enabled, we must calculate it ourselves. */ | |
1730 | msg.parity = 0; /* XXX for now */ | |
1731 | ||
1732 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1733 | msg.xonFlowControl = 0; | |
1734 | ||
deb91685 | 1735 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
1736 | msg.rts = p_priv->rts_state; |
1737 | msg.dtr = p_priv->dtr_state; | |
1738 | ||
1739 | msg.forwardingLength = 16; | |
1740 | msg.forwardMs = 10; | |
1741 | msg.breakThreshold = 45; | |
1742 | msg.xonChar = 17; | |
1743 | msg.xoffChar = 19; | |
1744 | ||
1745 | /*msg.returnStatus = 1; | |
1746 | msg.resetDataToggle = 0xff;*/ | |
1747 | /* Opening port */ | |
1748 | if (reset_port == 1) { | |
1749 | msg._txOn = 1; | |
1750 | msg._txOff = 0; | |
1751 | msg.txFlush = 0; | |
1752 | msg.txForceXoff = 0; | |
1753 | msg.txBreak = 0; | |
1754 | msg.rxOn = 1; | |
1755 | msg.rxOff = 0; | |
1756 | msg.rxFlush = 1; | |
1757 | msg.rxForward = 0; | |
1758 | msg.returnStatus = 0; | |
1759 | msg.resetDataToggle = 0xff; | |
1760 | } | |
1761 | /* Closing port */ | |
1762 | else if (reset_port == 2) { | |
1763 | msg._txOn = 0; | |
1764 | msg._txOff = 1; | |
1765 | msg.txFlush = 0; | |
1766 | msg.txForceXoff = 0; | |
1767 | msg.txBreak = 0; | |
1768 | msg.rxOn = 0; | |
1769 | msg.rxOff = 1; | |
1770 | msg.rxFlush = 1; | |
1771 | msg.rxForward = 0; | |
1772 | msg.returnStatus = 0; | |
1773 | msg.resetDataToggle = 0; | |
1774 | } | |
1775 | /* Sending intermediate configs */ | |
1776 | else { | |
deb91685 | 1777 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1778 | msg._txOff = 0; |
1779 | msg.txFlush = 0; | |
1780 | msg.txForceXoff = 0; | |
1781 | msg.txBreak = (p_priv->break_on); | |
1782 | msg.rxOn = 0; | |
1783 | msg.rxOff = 0; | |
1784 | msg.rxFlush = 0; | |
1785 | msg.rxForward = 0; | |
1786 | msg.returnStatus = 0; | |
1787 | msg.resetDataToggle = 0x0; | |
1788 | } | |
1789 | ||
1790 | p_priv->resend_cont = 0; | |
deb91685 | 1791 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
1792 | |
1793 | /* send the data out the device on control endpoint */ | |
1794 | this_urb->transfer_buffer_length = sizeof(msg); | |
1795 | ||
deb91685 AC |
1796 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1797 | if (err != 0) | |
049c6b4e | 1798 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
1da177e4 LT |
1799 | #if 0 |
1800 | else { | |
049c6b4e | 1801 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) OK %d bytes\n", __func__, |
1da177e4 LT |
1802 | this_urb->transfer_buffer_length); |
1803 | } | |
1804 | #endif | |
1805 | ||
a5b6f60c | 1806 | return 0; |
1da177e4 LT |
1807 | } |
1808 | ||
1809 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
1810 | struct usb_serial_port *port, | |
1811 | int reset_port) | |
1812 | { | |
0ca1268e LM |
1813 | struct keyspan_usa49_portControlMessage msg; |
1814 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
1815 | struct keyspan_serial_private *s_priv; |
1816 | struct keyspan_port_private *p_priv; | |
1817 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1818 | struct urb *this_urb; |
1819 | int err, device_port; | |
1820 | ||
1da177e4 LT |
1821 | s_priv = usb_get_serial_data(serial); |
1822 | p_priv = usb_get_serial_port_data(port); | |
1823 | d_details = s_priv->device_details; | |
1824 | ||
1da177e4 LT |
1825 | this_urb = s_priv->glocont_urb; |
1826 | ||
0ca1268e | 1827 | /* Work out which port within the device is being setup */ |
1143832e | 1828 | device_port = port->port_number; |
1da177e4 | 1829 | |
d866150a | 1830 | /* Make sure we have an urb then send the message */ |
1da177e4 | 1831 | if (this_urb == NULL) { |
1143832e | 1832 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
1da177e4 LT |
1833 | return -1; |
1834 | } | |
1835 | ||
1143832e GKH |
1836 | dev_dbg(&port->dev, "%s - endpoint %d (%d)\n", |
1837 | __func__, usb_pipeendpoint(this_urb->pipe), device_port); | |
d866150a | 1838 | |
1da177e4 | 1839 | /* Save reset port val for resend. |
0ca1268e LM |
1840 | Don't overwrite resend for open/close condition. */ |
1841 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 1842 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 1843 | |
1da177e4 | 1844 | if (this_urb->status == -EINPROGRESS) { |
049c6b4e | 1845 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1846 | mdelay(5); |
deb91685 | 1847 | return -1; |
1da177e4 LT |
1848 | } |
1849 | ||
deb91685 | 1850 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 | 1851 | |
1da177e4 | 1852 | msg.portNumber = device_port; |
deb91685 AC |
1853 | |
1854 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1855 | if (p_priv->old_baud != p_priv->baud) { |
1856 | p_priv->old_baud = p_priv->baud; | |
1857 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1858 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1859 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1860 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1861 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1862 | __func__, p_priv->baud); | |
1da177e4 LT |
1863 | msg.baudLo = 0; |
1864 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1865 | msg.prescaler = 10; | |
1866 | } | |
deb91685 | 1867 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
1868 | } |
1869 | ||
2b982ab1 | 1870 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1871 | switch (p_priv->cflag & CSIZE) { |
1872 | case CS5: | |
1873 | msg.lcr |= USA_DATABITS_5; | |
1874 | break; | |
1875 | case CS6: | |
1876 | msg.lcr |= USA_DATABITS_6; | |
1877 | break; | |
1878 | case CS7: | |
1879 | msg.lcr |= USA_DATABITS_7; | |
1880 | break; | |
1881 | case CS8: | |
1882 | msg.lcr |= USA_DATABITS_8; | |
1883 | break; | |
1884 | } | |
1885 | if (p_priv->cflag & PARENB) { | |
1886 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1887 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1888 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1889 | } |
1890 | msg.setLcr = 0xff; | |
1891 | ||
1892 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1893 | msg.xonFlowControl = 0; | |
1894 | msg.setFlowControl = 0xff; | |
deb91685 | 1895 | |
1da177e4 LT |
1896 | msg.forwardingLength = 16; |
1897 | msg.xonChar = 17; | |
1898 | msg.xoffChar = 19; | |
1899 | ||
deb91685 | 1900 | /* Opening port */ |
1da177e4 LT |
1901 | if (reset_port == 1) { |
1902 | msg._txOn = 1; | |
1903 | msg._txOff = 0; | |
1904 | msg.txFlush = 0; | |
1905 | msg.txBreak = 0; | |
1906 | msg.rxOn = 1; | |
1907 | msg.rxOff = 0; | |
1908 | msg.rxFlush = 1; | |
1909 | msg.rxForward = 0; | |
1910 | msg.returnStatus = 0; | |
1911 | msg.resetDataToggle = 0xff; | |
1912 | msg.enablePort = 1; | |
1913 | msg.disablePort = 0; | |
1914 | } | |
1915 | /* Closing port */ | |
1916 | else if (reset_port == 2) { | |
1917 | msg._txOn = 0; | |
1918 | msg._txOff = 1; | |
1919 | msg.txFlush = 0; | |
1920 | msg.txBreak = 0; | |
1921 | msg.rxOn = 0; | |
1922 | msg.rxOff = 1; | |
1923 | msg.rxFlush = 1; | |
1924 | msg.rxForward = 0; | |
1925 | msg.returnStatus = 0; | |
1926 | msg.resetDataToggle = 0; | |
1927 | msg.enablePort = 0; | |
1928 | msg.disablePort = 1; | |
1929 | } | |
1930 | /* Sending intermediate configs */ | |
1931 | else { | |
deb91685 | 1932 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1933 | msg._txOff = 0; |
1934 | msg.txFlush = 0; | |
1935 | msg.txBreak = (p_priv->break_on); | |
1936 | msg.rxOn = 0; | |
1937 | msg.rxOff = 0; | |
1938 | msg.rxFlush = 0; | |
1939 | msg.rxForward = 0; | |
1940 | msg.returnStatus = 0; | |
1941 | msg.resetDataToggle = 0x0; | |
1942 | msg.enablePort = 0; | |
1943 | msg.disablePort = 0; | |
1944 | } | |
1945 | ||
deb91685 | 1946 | /* Do handshaking outputs */ |
1da177e4 LT |
1947 | msg.setRts = 0xff; |
1948 | msg.rts = p_priv->rts_state; | |
1949 | ||
1950 | msg.setDtr = 0xff; | |
1951 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 1952 | |
1da177e4 | 1953 | p_priv->resend_cont = 0; |
0ca1268e | 1954 | |
deb91685 AC |
1955 | /* if the device is a 49wg, we send control message on usb |
1956 | control EP 0 */ | |
0ca1268e LM |
1957 | |
1958 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
1959 | dr = (void *)(s_priv->ctrl_buf); | |
1960 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
1961 | dr->bRequest = 0xB0; /* 49wg control message */; | |
1962 | dr->wValue = 0; | |
1963 | dr->wIndex = 0; | |
1964 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
1965 | ||
deb91685 | 1966 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 1967 | |
deb91685 AC |
1968 | usb_fill_control_urb(this_urb, serial->dev, |
1969 | usb_sndctrlpipe(serial->dev, 0), | |
1970 | (unsigned char *)dr, s_priv->glocont_buf, | |
1971 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
1972 | |
1973 | } else { | |
1974 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 1975 | |
0ca1268e LM |
1976 | /* send the data out the device on control endpoint */ |
1977 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 1978 | } |
deb91685 AC |
1979 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1980 | if (err != 0) | |
049c6b4e | 1981 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 LT |
1982 | #if 0 |
1983 | else { | |
049c6b4e GKH |
1984 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__, |
1985 | outcont_urb, this_urb->transfer_buffer_length, | |
1986 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
1987 | } |
1988 | #endif | |
1989 | ||
a5b6f60c | 1990 | return 0; |
1da177e4 LT |
1991 | } |
1992 | ||
1993 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
1994 | struct usb_serial_port *port, | |
1995 | int reset_port) | |
1996 | { | |
deb91685 | 1997 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
1998 | struct keyspan_serial_private *s_priv; |
1999 | struct keyspan_port_private *p_priv; | |
2000 | const struct keyspan_device_details *d_details; | |
2001 | struct urb *this_urb; | |
2002 | int err; | |
2003 | u8 prescaler; | |
2004 | ||
1da177e4 LT |
2005 | s_priv = usb_get_serial_data(serial); |
2006 | p_priv = usb_get_serial_port_data(port); | |
2007 | d_details = s_priv->device_details; | |
2008 | ||
2009 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2010 | this_urb = p_priv->outcont_urb; |
2011 | if (this_urb == NULL) { | |
049c6b4e | 2012 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2013 | return -1; |
2014 | } | |
2015 | ||
2016 | /* Save reset port val for resend. | |
2017 | Don't overwrite resend for open/close condition. */ | |
2018 | if ((reset_port + 1) > p_priv->resend_cont) | |
2019 | p_priv->resend_cont = reset_port + 1; | |
2020 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2021 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2022 | mdelay(5); |
deb91685 | 2023 | return -1; |
1da177e4 LT |
2024 | } |
2025 | ||
deb91685 | 2026 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2027 | |
deb91685 | 2028 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2029 | if (p_priv->old_baud != p_priv->baud) { |
2030 | p_priv->old_baud = p_priv->baud; | |
2031 | msg.setClocking = 0x01; | |
049c6b4e GKH |
2032 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2033 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { | |
2034 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2035 | __func__, p_priv->baud); | |
1da177e4 | 2036 | p_priv->baud = 9600; |
049c6b4e | 2037 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2038 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2039 | } | |
2040 | msg.setRxMode = 1; | |
2041 | msg.setTxMode = 1; | |
2042 | } | |
2043 | ||
2044 | /* modes must always be correctly specified */ | |
deb91685 | 2045 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2046 | msg.rxMode = RXMODE_DMA; |
2047 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2048 | } else { |
1da177e4 LT |
2049 | msg.rxMode = RXMODE_BYHAND; |
2050 | msg.txMode = TXMODE_BYHAND; | |
2051 | } | |
2052 | ||
2b982ab1 | 2053 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2054 | switch (p_priv->cflag & CSIZE) { |
2055 | case CS5: | |
2056 | msg.lcr |= USA_DATABITS_5; | |
2057 | break; | |
2058 | case CS6: | |
2059 | msg.lcr |= USA_DATABITS_6; | |
2060 | break; | |
2061 | case CS7: | |
2062 | msg.lcr |= USA_DATABITS_7; | |
2063 | break; | |
2064 | case CS8: | |
2065 | msg.lcr |= USA_DATABITS_8; | |
2066 | break; | |
2067 | } | |
2068 | if (p_priv->cflag & PARENB) { | |
2069 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2070 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2071 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2072 | } |
2073 | if (p_priv->old_cflag != p_priv->cflag) { | |
2074 | p_priv->old_cflag = p_priv->cflag; | |
2075 | msg.setLcr = 0x01; | |
2076 | } | |
2077 | ||
2078 | if (p_priv->flow_control == flow_cts) | |
2079 | msg.txFlowControl = TXFLOW_CTS; | |
2080 | msg.setTxFlowControl = 0x01; | |
2081 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2082 | |
1da177e4 | 2083 | msg.rxForwardingLength = 16; |
deb91685 | 2084 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2085 | msg.txAckSetting = 0; |
2086 | msg.xonChar = 17; | |
2087 | msg.xoffChar = 19; | |
2088 | ||
deb91685 | 2089 | /* Opening port */ |
1da177e4 LT |
2090 | if (reset_port == 1) { |
2091 | msg.portEnabled = 1; | |
2092 | msg.rxFlush = 1; | |
2093 | msg.txBreak = (p_priv->break_on); | |
2094 | } | |
2095 | /* Closing port */ | |
deb91685 | 2096 | else if (reset_port == 2) |
1da177e4 | 2097 | msg.portEnabled = 0; |
1da177e4 LT |
2098 | /* Sending intermediate configs */ |
2099 | else { | |
1f87158e | 2100 | msg.portEnabled = 1; |
1da177e4 LT |
2101 | msg.txBreak = (p_priv->break_on); |
2102 | } | |
2103 | ||
deb91685 | 2104 | /* Do handshaking outputs */ |
1da177e4 LT |
2105 | msg.setRts = 0x01; |
2106 | msg.rts = p_priv->rts_state; | |
2107 | ||
2108 | msg.setDtr = 0x01; | |
2109 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2110 | |
1da177e4 | 2111 | p_priv->resend_cont = 0; |
deb91685 AC |
2112 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2113 | ||
1da177e4 LT |
2114 | /* send the data out the device on control endpoint */ |
2115 | this_urb->transfer_buffer_length = sizeof(msg); | |
2116 | ||
deb91685 AC |
2117 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2118 | if (err != 0) | |
049c6b4e | 2119 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2120 | return 0; |
1da177e4 LT |
2121 | } |
2122 | ||
0ca1268e LM |
2123 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2124 | struct usb_serial_port *port, | |
2125 | int reset_port) | |
2126 | { | |
2127 | struct keyspan_usa67_portControlMessage msg; | |
2128 | struct keyspan_serial_private *s_priv; | |
2129 | struct keyspan_port_private *p_priv; | |
2130 | const struct keyspan_device_details *d_details; | |
2131 | struct urb *this_urb; | |
2132 | int err, device_port; | |
2133 | ||
0ca1268e LM |
2134 | s_priv = usb_get_serial_data(serial); |
2135 | p_priv = usb_get_serial_port_data(port); | |
2136 | d_details = s_priv->device_details; | |
2137 | ||
2138 | this_urb = s_priv->glocont_urb; | |
2139 | ||
2140 | /* Work out which port within the device is being setup */ | |
1143832e | 2141 | device_port = port->port_number; |
0ca1268e LM |
2142 | |
2143 | /* Make sure we have an urb then send the message */ | |
2144 | if (this_urb == NULL) { | |
1143832e | 2145 | dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); |
0ca1268e LM |
2146 | return -1; |
2147 | } | |
2148 | ||
2149 | /* Save reset port val for resend. | |
2150 | Don't overwrite resend for open/close condition. */ | |
2151 | if ((reset_port + 1) > p_priv->resend_cont) | |
2152 | p_priv->resend_cont = reset_port + 1; | |
2153 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2154 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
0ca1268e | 2155 | mdelay(5); |
deb91685 | 2156 | return -1; |
0ca1268e LM |
2157 | } |
2158 | ||
2159 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2160 | ||
2161 | msg.port = device_port; | |
2162 | ||
2163 | /* Only set baud rate if it's changed */ | |
2164 | if (p_priv->old_baud != p_priv->baud) { | |
2165 | p_priv->old_baud = p_priv->baud; | |
2166 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2167 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2168 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2169 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2170 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2171 | __func__, p_priv->baud); | |
0ca1268e LM |
2172 | msg.baudLo = 0; |
2173 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2174 | msg.prescaler = 10; | |
2175 | } | |
2176 | msg.setPrescaler = 0xff; | |
2177 | } | |
2178 | ||
2179 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2180 | switch (p_priv->cflag & CSIZE) { | |
2181 | case CS5: | |
2182 | msg.lcr |= USA_DATABITS_5; | |
2183 | break; | |
2184 | case CS6: | |
2185 | msg.lcr |= USA_DATABITS_6; | |
2186 | break; | |
2187 | case CS7: | |
2188 | msg.lcr |= USA_DATABITS_7; | |
2189 | break; | |
2190 | case CS8: | |
2191 | msg.lcr |= USA_DATABITS_8; | |
2192 | break; | |
2193 | } | |
2194 | if (p_priv->cflag & PARENB) { | |
2195 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2196 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2197 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2198 | } |
2199 | msg.setLcr = 0xff; | |
2200 | ||
2201 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2202 | msg.xonFlowControl = 0; | |
2203 | msg.setFlowControl = 0xff; | |
2204 | msg.forwardingLength = 16; | |
2205 | msg.xonChar = 17; | |
2206 | msg.xoffChar = 19; | |
2207 | ||
2208 | if (reset_port == 1) { | |
2209 | /* Opening port */ | |
2210 | msg._txOn = 1; | |
2211 | msg._txOff = 0; | |
2212 | msg.txFlush = 0; | |
2213 | msg.txBreak = 0; | |
2214 | msg.rxOn = 1; | |
2215 | msg.rxOff = 0; | |
2216 | msg.rxFlush = 1; | |
2217 | msg.rxForward = 0; | |
2218 | msg.returnStatus = 0; | |
2219 | msg.resetDataToggle = 0xff; | |
2220 | } else if (reset_port == 2) { | |
2221 | /* Closing port */ | |
2222 | msg._txOn = 0; | |
2223 | msg._txOff = 1; | |
2224 | msg.txFlush = 0; | |
2225 | msg.txBreak = 0; | |
2226 | msg.rxOn = 0; | |
2227 | msg.rxOff = 1; | |
2228 | msg.rxFlush = 1; | |
2229 | msg.rxForward = 0; | |
2230 | msg.returnStatus = 0; | |
2231 | msg.resetDataToggle = 0; | |
2232 | } else { | |
2233 | /* Sending intermediate configs */ | |
deb91685 | 2234 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2235 | msg._txOff = 0; |
2236 | msg.txFlush = 0; | |
2237 | msg.txBreak = (p_priv->break_on); | |
2238 | msg.rxOn = 0; | |
2239 | msg.rxOff = 0; | |
2240 | msg.rxFlush = 0; | |
2241 | msg.rxForward = 0; | |
2242 | msg.returnStatus = 0; | |
2243 | msg.resetDataToggle = 0x0; | |
2244 | } | |
2245 | ||
2246 | /* Do handshaking outputs */ | |
2247 | msg.setTxTriState_setRts = 0xff; | |
2248 | msg.txTriState_rts = p_priv->rts_state; | |
2249 | ||
2250 | msg.setHskoa_setDtr = 0xff; | |
2251 | msg.hskoa_dtr = p_priv->dtr_state; | |
2252 | ||
2253 | p_priv->resend_cont = 0; | |
2254 | ||
2255 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2256 | ||
2257 | /* send the data out the device on control endpoint */ | |
2258 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2259 | |
2260 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2261 | if (err != 0) | |
049c6b4e | 2262 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2263 | return 0; |
0ca1268e LM |
2264 | } |
2265 | ||
1da177e4 LT |
2266 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2267 | { | |
2268 | struct usb_serial *serial = port->serial; | |
2269 | struct keyspan_serial_private *s_priv; | |
2270 | const struct keyspan_device_details *d_details; | |
2271 | ||
1da177e4 LT |
2272 | s_priv = usb_get_serial_data(serial); |
2273 | d_details = s_priv->device_details; | |
2274 | ||
2275 | switch (d_details->msg_format) { | |
2276 | case msg_usa26: | |
2277 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2278 | break; | |
2279 | case msg_usa28: | |
2280 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2281 | break; | |
2282 | case msg_usa49: | |
2283 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2284 | break; | |
2285 | case msg_usa90: | |
2286 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2287 | break; | |
0ca1268e LM |
2288 | case msg_usa67: |
2289 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2290 | break; | |
1da177e4 LT |
2291 | } |
2292 | } | |
2293 | ||
2294 | ||
2295 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2296 | and renumeration has taken place. */ | |
deb91685 | 2297 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2298 | { |
2299 | int i, err; | |
1da177e4 | 2300 | struct keyspan_serial_private *s_priv; |
1da177e4 LT |
2301 | const struct keyspan_device_details *d_details; |
2302 | ||
1da177e4 | 2303 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2304 | if (d_details->product_id == |
2305 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2306 | break; |
2307 | if (d_details == NULL) { | |
deb91685 AC |
2308 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2309 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
ff8a43c1 | 2310 | return -ENODEV; |
1da177e4 LT |
2311 | } |
2312 | ||
2313 | /* Setup private data for serial driver */ | |
80b6ca48 | 2314 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2315 | if (!s_priv) { |
049c6b4e | 2316 | dev_dbg(&serial->dev->dev, "%s - kmalloc for keyspan_serial_private failed.\n", __func__); |
1da177e4 LT |
2317 | return -ENOMEM; |
2318 | } | |
1da177e4 | 2319 | |
2fcd1c9b JH |
2320 | s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); |
2321 | if (!s_priv->instat_buf) | |
2322 | goto err_instat_buf; | |
2323 | ||
2324 | s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); | |
2325 | if (!s_priv->indat_buf) | |
2326 | goto err_indat_buf; | |
2327 | ||
2328 | s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); | |
2329 | if (!s_priv->glocont_buf) | |
2330 | goto err_glocont_buf; | |
2331 | ||
2332 | s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); | |
2333 | if (!s_priv->ctrl_buf) | |
2334 | goto err_ctrl_buf; | |
2335 | ||
1da177e4 LT |
2336 | s_priv->device_details = d_details; |
2337 | usb_set_serial_data(serial, s_priv); | |
2338 | ||
1da177e4 LT |
2339 | keyspan_setup_urbs(serial); |
2340 | ||
0ca1268e | 2341 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2342 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2343 | if (err != 0) | |
7ebcb334 | 2344 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
0ca1268e LM |
2345 | } |
2346 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2347 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2348 | if (err != 0) | |
7ebcb334 | 2349 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
1da177e4 | 2350 | } |
deb91685 | 2351 | |
a5b6f60c | 2352 | return 0; |
2fcd1c9b JH |
2353 | |
2354 | err_ctrl_buf: | |
2355 | kfree(s_priv->glocont_buf); | |
2356 | err_glocont_buf: | |
2357 | kfree(s_priv->indat_buf); | |
2358 | err_indat_buf: | |
2359 | kfree(s_priv->instat_buf); | |
2360 | err_instat_buf: | |
2361 | kfree(s_priv); | |
2362 | ||
2363 | return -ENOMEM; | |
1da177e4 LT |
2364 | } |
2365 | ||
f9c99bb8 | 2366 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 | 2367 | { |
f79b2d0f | 2368 | struct keyspan_serial_private *s_priv; |
1da177e4 | 2369 | |
1da177e4 LT |
2370 | s_priv = usb_get_serial_data(serial); |
2371 | ||
1da177e4 LT |
2372 | stop_urb(s_priv->instat_urb); |
2373 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2374 | stop_urb(s_priv->indat_urb); |
f79b2d0f JH |
2375 | } |
2376 | ||
2377 | static void keyspan_release(struct usb_serial *serial) | |
2378 | { | |
2379 | struct keyspan_serial_private *s_priv; | |
2380 | ||
2381 | s_priv = usb_get_serial_data(serial); | |
1da177e4 | 2382 | |
1cadc137 | 2383 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2384 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2385 | usb_free_urb(s_priv->glocont_urb); |
f79b2d0f | 2386 | |
2fcd1c9b JH |
2387 | kfree(s_priv->ctrl_buf); |
2388 | kfree(s_priv->glocont_buf); | |
2389 | kfree(s_priv->indat_buf); | |
2390 | kfree(s_priv->instat_buf); | |
2391 | ||
f79b2d0f | 2392 | kfree(s_priv); |
f9c99bb8 AS |
2393 | } |
2394 | ||
f79b2d0f | 2395 | static int keyspan_port_probe(struct usb_serial_port *port) |
f9c99bb8 | 2396 | { |
f79b2d0f | 2397 | struct usb_serial *serial = port->serial; |
f0e3e35c | 2398 | struct keyspan_serial_private *s_priv; |
f79b2d0f JH |
2399 | struct keyspan_port_private *p_priv; |
2400 | const struct keyspan_device_details *d_details; | |
2401 | struct callbacks *cback; | |
2402 | int endp; | |
2403 | int port_num; | |
2404 | int i; | |
f9c99bb8 | 2405 | |
f9c99bb8 | 2406 | s_priv = usb_get_serial_data(serial); |
f79b2d0f | 2407 | d_details = s_priv->device_details; |
1da177e4 | 2408 | |
f79b2d0f JH |
2409 | p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); |
2410 | if (!p_priv) | |
2411 | return -ENOMEM; | |
1da177e4 | 2412 | |
bad41a5b JH |
2413 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { |
2414 | p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); | |
2415 | if (!p_priv->in_buffer[i]) | |
2416 | goto err_in_buffer; | |
2417 | } | |
2418 | ||
2419 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { | |
2420 | p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); | |
2421 | if (!p_priv->out_buffer[i]) | |
2422 | goto err_out_buffer; | |
2423 | } | |
2424 | ||
2425 | p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); | |
2426 | if (!p_priv->inack_buffer) | |
2427 | goto err_inack_buffer; | |
2428 | ||
2429 | p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); | |
2430 | if (!p_priv->outcont_buffer) | |
2431 | goto err_outcont_buffer; | |
2432 | ||
f79b2d0f JH |
2433 | p_priv->device_details = d_details; |
2434 | ||
2435 | /* Setup values for the various callback routines */ | |
2436 | cback = &keyspan_callbacks[d_details->msg_format]; | |
2437 | ||
1143832e | 2438 | port_num = port->port_number; |
f79b2d0f JH |
2439 | |
2440 | /* Do indat endpoints first, once for each flip */ | |
2441 | endp = d_details->indat_endpoints[port_num]; | |
2442 | for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { | |
2443 | p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, | |
2444 | USB_DIR_IN, port, | |
bad41a5b JH |
2445 | p_priv->in_buffer[i], |
2446 | IN_BUFLEN, | |
f79b2d0f JH |
2447 | cback->indat_callback); |
2448 | } | |
2449 | /* outdat endpoints also have flip */ | |
2450 | endp = d_details->outdat_endpoints[port_num]; | |
2451 | for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { | |
2452 | p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, | |
2453 | USB_DIR_OUT, port, | |
bad41a5b JH |
2454 | p_priv->out_buffer[i], |
2455 | OUT_BUFLEN, | |
f79b2d0f JH |
2456 | cback->outdat_callback); |
2457 | } | |
2458 | /* inack endpoint */ | |
2459 | p_priv->inack_urb = keyspan_setup_urb(serial, | |
2460 | d_details->inack_endpoints[port_num], | |
2461 | USB_DIR_IN, port, | |
bad41a5b JH |
2462 | p_priv->inack_buffer, |
2463 | INACK_BUFLEN, | |
f79b2d0f JH |
2464 | cback->inack_callback); |
2465 | /* outcont endpoint */ | |
2466 | p_priv->outcont_urb = keyspan_setup_urb(serial, | |
2467 | d_details->outcont_endpoints[port_num], | |
2468 | USB_DIR_OUT, port, | |
bad41a5b JH |
2469 | p_priv->outcont_buffer, |
2470 | OUTCONT_BUFLEN, | |
f79b2d0f JH |
2471 | cback->outcont_callback); |
2472 | ||
2473 | usb_set_serial_port_data(port, p_priv); | |
2474 | ||
2475 | return 0; | |
bad41a5b JH |
2476 | |
2477 | err_outcont_buffer: | |
2478 | kfree(p_priv->inack_buffer); | |
2479 | err_inack_buffer: | |
2480 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
2481 | kfree(p_priv->out_buffer[i]); | |
2482 | err_out_buffer: | |
2483 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
2484 | kfree(p_priv->in_buffer[i]); | |
2485 | err_in_buffer: | |
2486 | kfree(p_priv); | |
2487 | ||
2488 | return -ENOMEM; | |
f79b2d0f JH |
2489 | } |
2490 | ||
2491 | static int keyspan_port_remove(struct usb_serial_port *port) | |
2492 | { | |
2493 | struct keyspan_port_private *p_priv; | |
2494 | int i; | |
2495 | ||
2496 | p_priv = usb_get_serial_port_data(port); | |
2497 | ||
2498 | stop_urb(p_priv->inack_urb); | |
2499 | stop_urb(p_priv->outcont_urb); | |
2500 | for (i = 0; i < 2; i++) { | |
2501 | stop_urb(p_priv->in_urbs[i]); | |
2502 | stop_urb(p_priv->out_urbs[i]); | |
2503 | } | |
2504 | ||
2505 | usb_free_urb(p_priv->inack_urb); | |
2506 | usb_free_urb(p_priv->outcont_urb); | |
2507 | for (i = 0; i < 2; i++) { | |
2508 | usb_free_urb(p_priv->in_urbs[i]); | |
2509 | usb_free_urb(p_priv->out_urbs[i]); | |
1da177e4 | 2510 | } |
f79b2d0f | 2511 | |
bad41a5b JH |
2512 | kfree(p_priv->outcont_buffer); |
2513 | kfree(p_priv->inack_buffer); | |
2514 | for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) | |
2515 | kfree(p_priv->out_buffer[i]); | |
2516 | for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) | |
2517 | kfree(p_priv->in_buffer[i]); | |
2518 | ||
f79b2d0f JH |
2519 | kfree(p_priv); |
2520 | ||
2521 | return 0; | |
1da177e4 LT |
2522 | } |
2523 | ||
deb91685 AC |
2524 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2525 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2526 | MODULE_LICENSE("GPL"); |
2527 | ||
2971c579 DW |
2528 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2529 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2530 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2531 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2532 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2533 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2534 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2535 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2536 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2537 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2538 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2539 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |