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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | Keyspan USB to Serial Converter driver | |
deb91685 | 3 | |
1da177e4 LT |
4 | (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> |
5 | (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> | |
deb91685 | 6 | |
1da177e4 LT |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
631dd1a8 | 12 | See http://blemings.org/hugh/keyspan.html for more information. |
deb91685 | 13 | |
1da177e4 LT |
14 | Code in this driver inspired by and in a number of places taken |
15 | from Brian Warner's original Keyspan-PDA driver. | |
16 | ||
17 | This driver has been put together with the support of Innosys, Inc. | |
18 | and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. | |
19 | Thanks Guys :) | |
deb91685 | 20 | |
1da177e4 LT |
21 | Thanks to Paulus for miscellaneous tidy ups, some largish chunks |
22 | of much nicer and/or completely new code and (perhaps most uniquely) | |
23 | having the patience to sit down and explain why and where he'd changed | |
deb91685 AC |
24 | stuff. |
25 | ||
26 | Tip 'o the hat to IBM (and previously Linuxcare :) for supporting | |
1da177e4 | 27 | staff in their work on open source projects. |
1da177e4 LT |
28 | */ |
29 | ||
30 | ||
1da177e4 LT |
31 | #include <linux/kernel.h> |
32 | #include <linux/jiffies.h> | |
33 | #include <linux/errno.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/tty.h> | |
37 | #include <linux/tty_driver.h> | |
38 | #include <linux/tty_flip.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/spinlock.h> | |
deb91685 | 41 | #include <linux/uaccess.h> |
1da177e4 | 42 | #include <linux/usb.h> |
a969888c | 43 | #include <linux/usb/serial.h> |
cc183e2a | 44 | #include <linux/usb/ezusb.h> |
1da177e4 LT |
45 | #include "keyspan.h" |
46 | ||
1da177e4 LT |
47 | #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 |
1da177e4 LT |
53 | |
54 | /* Per device and per port private data */ | |
55 | struct keyspan_serial_private { | |
56 | const struct keyspan_device_details *device_details; | |
57 | ||
58 | struct urb *instat_urb; | |
59 | char instat_buf[INSTAT_BUFLEN]; | |
60 | ||
deb91685 AC |
61 | /* added to support 49wg, where data from all 4 ports comes in |
62 | on 1 EP and high-speed supported */ | |
0ca1268e LM |
63 | struct urb *indat_urb; |
64 | char indat_buf[INDAT49W_BUFLEN]; | |
65 | ||
1da177e4 LT |
66 | /* XXX this one probably will need a lock */ |
67 | struct urb *glocont_urb; | |
68 | char glocont_buf[GLOCONT_BUFLEN]; | |
deb91685 | 69 | char ctrl_buf[8]; /* for EP0 control message */ |
1da177e4 LT |
70 | }; |
71 | ||
72 | struct keyspan_port_private { | |
73 | /* Keep track of which input & output endpoints to use */ | |
74 | int in_flip; | |
75 | int out_flip; | |
76 | ||
77 | /* Keep duplicate of device details in each port | |
78 | structure as well - simplifies some of the | |
79 | callback functions etc. */ | |
80 | const struct keyspan_device_details *device_details; | |
81 | ||
82 | /* Input endpoints and buffer for this port */ | |
83 | struct urb *in_urbs[2]; | |
84 | char in_buffer[2][64]; | |
85 | /* Output endpoints and buffer for this port */ | |
86 | struct urb *out_urbs[2]; | |
87 | char out_buffer[2][64]; | |
88 | ||
89 | /* Input ack endpoint */ | |
90 | struct urb *inack_urb; | |
91 | char inack_buffer[1]; | |
92 | ||
93 | /* Output control endpoint */ | |
94 | struct urb *outcont_urb; | |
95 | char outcont_buffer[64]; | |
96 | ||
97 | /* Settings for the port */ | |
98 | int baud; | |
99 | int old_baud; | |
100 | unsigned int cflag; | |
101 | unsigned int old_cflag; | |
102 | enum {flow_none, flow_cts, flow_xon} flow_control; | |
103 | int rts_state; /* Handshaking pins (outputs) */ | |
104 | int dtr_state; | |
105 | int cts_state; /* Handshaking pins (inputs) */ | |
106 | int dsr_state; | |
107 | int dcd_state; | |
108 | int ri_state; | |
109 | int break_on; | |
110 | ||
111 | unsigned long tx_start_time[2]; | |
112 | int resend_cont; /* need to resend control packet */ | |
113 | }; | |
114 | ||
1da177e4 | 115 | /* Include Keyspan message headers. All current Keyspan Adapters |
0ca1268e | 116 | make use of one of five message formats which are referred |
deb91685 AC |
117 | to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and |
118 | within this driver. */ | |
1da177e4 LT |
119 | #include "keyspan_usa26msg.h" |
120 | #include "keyspan_usa28msg.h" | |
121 | #include "keyspan_usa49msg.h" | |
122 | #include "keyspan_usa90msg.h" | |
0ca1268e | 123 | #include "keyspan_usa67msg.h" |
deb91685 | 124 | |
1da177e4 | 125 | |
68e24113 | 126 | module_usb_serial_driver(serial_drivers, keyspan_ids_combined); |
1da177e4 | 127 | |
95da310e | 128 | static void keyspan_break_ctl(struct tty_struct *tty, int break_state) |
1da177e4 | 129 | { |
95da310e | 130 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
131 | struct keyspan_port_private *p_priv; |
132 | ||
1da177e4 LT |
133 | p_priv = usb_get_serial_port_data(port); |
134 | ||
135 | if (break_state == -1) | |
136 | p_priv->break_on = 1; | |
137 | else | |
138 | p_priv->break_on = 0; | |
139 | ||
140 | keyspan_send_setup(port, 0); | |
141 | } | |
142 | ||
143 | ||
deb91685 | 144 | static void keyspan_set_termios(struct tty_struct *tty, |
95da310e | 145 | struct usb_serial_port *port, struct ktermios *old_termios) |
1da177e4 LT |
146 | { |
147 | int baud_rate, device_port; | |
148 | struct keyspan_port_private *p_priv; | |
149 | const struct keyspan_device_details *d_details; | |
150 | unsigned int cflag; | |
151 | ||
1da177e4 LT |
152 | p_priv = usb_get_serial_port_data(port); |
153 | d_details = p_priv->device_details; | |
adc8d746 | 154 | cflag = tty->termios.c_cflag; |
1da177e4 LT |
155 | device_port = port->number - port->serial->minor; |
156 | ||
157 | /* Baud rate calculation takes baud rate as an integer | |
158 | so other rates can be generated if desired. */ | |
74240b07 | 159 | baud_rate = tty_get_baud_rate(tty); |
deb91685 | 160 | /* If no match or invalid, don't change */ |
049c6b4e | 161 | if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
1da177e4 LT |
162 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
163 | /* FIXME - more to do here to ensure rate changes cleanly */ | |
74240b07 | 164 | /* FIXME - calcuate exact rate from divisor ? */ |
1da177e4 | 165 | p_priv->baud = baud_rate; |
74240b07 AC |
166 | } else |
167 | baud_rate = tty_termios_baud_rate(old_termios); | |
1da177e4 | 168 | |
74240b07 | 169 | tty_encode_baud_rate(tty, baud_rate, baud_rate); |
1da177e4 LT |
170 | /* set CTS/RTS handshake etc. */ |
171 | p_priv->cflag = cflag; | |
2b982ab1 | 172 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
1da177e4 | 173 | |
74240b07 | 174 | /* Mark/Space not supported */ |
adc8d746 | 175 | tty->termios.c_cflag &= ~CMSPAR; |
74240b07 | 176 | |
1da177e4 LT |
177 | keyspan_send_setup(port, 0); |
178 | } | |
179 | ||
60b33c13 | 180 | static int keyspan_tiocmget(struct tty_struct *tty) |
1da177e4 | 181 | { |
95da310e AC |
182 | struct usb_serial_port *port = tty->driver_data; |
183 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1da177e4 | 184 | unsigned int value; |
deb91685 | 185 | |
1da177e4 LT |
186 | value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | |
187 | ((p_priv->dtr_state) ? TIOCM_DTR : 0) | | |
188 | ((p_priv->cts_state) ? TIOCM_CTS : 0) | | |
189 | ((p_priv->dsr_state) ? TIOCM_DSR : 0) | | |
190 | ((p_priv->dcd_state) ? TIOCM_CAR : 0) | | |
deb91685 | 191 | ((p_priv->ri_state) ? TIOCM_RNG : 0); |
1da177e4 LT |
192 | |
193 | return value; | |
194 | } | |
195 | ||
20b9d177 | 196 | static int keyspan_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
197 | unsigned int set, unsigned int clear) |
198 | { | |
95da310e AC |
199 | struct usb_serial_port *port = tty->driver_data; |
200 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
deb91685 | 201 | |
1da177e4 LT |
202 | if (set & TIOCM_RTS) |
203 | p_priv->rts_state = 1; | |
204 | if (set & TIOCM_DTR) | |
205 | p_priv->dtr_state = 1; | |
1da177e4 LT |
206 | if (clear & TIOCM_RTS) |
207 | p_priv->rts_state = 0; | |
208 | if (clear & TIOCM_DTR) | |
209 | p_priv->dtr_state = 0; | |
210 | keyspan_send_setup(port, 0); | |
211 | return 0; | |
212 | } | |
213 | ||
95da310e AC |
214 | /* Write function is similar for the four protocols used |
215 | with only a minor change for usa90 (usa19hs) required */ | |
216 | static int keyspan_write(struct tty_struct *tty, | |
217 | struct usb_serial_port *port, const unsigned char *buf, int count) | |
1da177e4 LT |
218 | { |
219 | struct keyspan_port_private *p_priv; | |
220 | const struct keyspan_device_details *d_details; | |
221 | int flip; | |
222 | int left, todo; | |
223 | struct urb *this_urb; | |
deb91685 | 224 | int err, maxDataLen, dataOffset; |
1da177e4 LT |
225 | |
226 | p_priv = usb_get_serial_port_data(port); | |
227 | d_details = p_priv->device_details; | |
228 | ||
229 | if (d_details->msg_format == msg_usa90) { | |
deb91685 | 230 | maxDataLen = 64; |
1da177e4 LT |
231 | dataOffset = 0; |
232 | } else { | |
233 | maxDataLen = 63; | |
234 | dataOffset = 1; | |
235 | } | |
deb91685 | 236 | |
049c6b4e GKH |
237 | dev_dbg(&port->dev, "%s - for port %d (%d chars), flip=%d\n", |
238 | __func__, port->number, count, p_priv->out_flip); | |
1da177e4 LT |
239 | |
240 | for (left = count; left > 0; left -= todo) { | |
241 | todo = left; | |
242 | if (todo > maxDataLen) | |
243 | todo = maxDataLen; | |
244 | ||
245 | flip = p_priv->out_flip; | |
deb91685 | 246 | |
1da177e4 | 247 | /* Check we have a valid urb/endpoint before we use it... */ |
deb91685 AC |
248 | this_urb = p_priv->out_urbs[flip]; |
249 | if (this_urb == NULL) { | |
1da177e4 | 250 | /* no bulk out, so return 0 bytes written */ |
049c6b4e | 251 | dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); |
1da177e4 LT |
252 | return count; |
253 | } | |
254 | ||
049c6b4e | 255 | dev_dbg(&port->dev, "%s - endpoint %d flip %d\n", |
deb91685 | 256 | __func__, usb_pipeendpoint(this_urb->pipe), flip); |
1da177e4 LT |
257 | |
258 | if (this_urb->status == -EINPROGRESS) { | |
deb91685 AC |
259 | if (time_before(jiffies, |
260 | p_priv->tx_start_time[flip] + 10 * HZ)) | |
1da177e4 | 261 | break; |
1da177e4 LT |
262 | usb_unlink_urb(this_urb); |
263 | break; | |
264 | } | |
265 | ||
deb91685 AC |
266 | /* First byte in buffer is "last flag" (except for usa19hx) |
267 | - unused so for now so set to zero */ | |
1da177e4 LT |
268 | ((char *)this_urb->transfer_buffer)[0] = 0; |
269 | ||
deb91685 | 270 | memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); |
1da177e4 LT |
271 | buf += todo; |
272 | ||
273 | /* send the data out the bulk port */ | |
274 | this_urb->transfer_buffer_length = todo + dataOffset; | |
275 | ||
deb91685 AC |
276 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
277 | if (err != 0) | |
049c6b4e | 278 | dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); |
1da177e4 LT |
279 | p_priv->tx_start_time[flip] = jiffies; |
280 | ||
281 | /* Flip for next time if usa26 or usa28 interface | |
282 | (not used on usa49) */ | |
283 | p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; | |
284 | } | |
285 | ||
286 | return count - left; | |
287 | } | |
288 | ||
7d12e780 | 289 | static void usa26_indat_callback(struct urb *urb) |
1da177e4 LT |
290 | { |
291 | int i, err; | |
292 | int endpoint; | |
293 | struct usb_serial_port *port; | |
1da177e4 | 294 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 295 | int status = urb->status; |
1da177e4 | 296 | |
1da177e4 LT |
297 | endpoint = usb_pipeendpoint(urb->pipe); |
298 | ||
95b93454 | 299 | if (status) { |
a8ffa0be | 300 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
049c6b4e | 301 | __func__, status, endpoint); |
1da177e4 LT |
302 | return; |
303 | } | |
304 | ||
cdc97792 | 305 | port = urb->context; |
2e124b4a | 306 | if (urb->actual_length) { |
1da177e4 LT |
307 | /* 0x80 bit is error flag */ |
308 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
309 | /* no errors on individual bytes, only |
310 | possible overrun err */ | |
1da177e4 | 311 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
312 | err = TTY_OVERRUN; |
313 | else | |
314 | err = 0; | |
315 | for (i = 1; i < urb->actual_length ; ++i) | |
92a19f9c | 316 | tty_insert_flip_char(&port->port, data[i], err); |
1da177e4 LT |
317 | } else { |
318 | /* some bytes had errors, every byte has status */ | |
049c6b4e | 319 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 LT |
320 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
321 | int stat = data[i], flag = 0; | |
322 | if (stat & RXERROR_OVERRUN) | |
323 | flag |= TTY_OVERRUN; | |
324 | if (stat & RXERROR_FRAMING) | |
325 | flag |= TTY_FRAME; | |
326 | if (stat & RXERROR_PARITY) | |
327 | flag |= TTY_PARITY; | |
328 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
329 | tty_insert_flip_char(&port->port, data[i+1], |
330 | flag); | |
1da177e4 LT |
331 | } |
332 | } | |
2e124b4a | 333 | tty_flip_buffer_push(&port->port); |
1da177e4 | 334 | } |
deb91685 AC |
335 | |
336 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
337 | err = usb_submit_urb(urb, GFP_ATOMIC); |
338 | if (err != 0) | |
049c6b4e | 339 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
340 | } |
341 | ||
deb91685 | 342 | /* Outdat handling is common for all devices */ |
7d12e780 | 343 | static void usa2x_outdat_callback(struct urb *urb) |
1da177e4 LT |
344 | { |
345 | struct usb_serial_port *port; | |
346 | struct keyspan_port_private *p_priv; | |
347 | ||
cdc97792 | 348 | port = urb->context; |
1da177e4 | 349 | p_priv = usb_get_serial_port_data(port); |
049c6b4e | 350 | dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); |
1da177e4 | 351 | |
1f87158e | 352 | usb_serial_port_softint(port); |
1da177e4 LT |
353 | } |
354 | ||
7d12e780 | 355 | static void usa26_inack_callback(struct urb *urb) |
1da177e4 | 356 | { |
1da177e4 LT |
357 | } |
358 | ||
7d12e780 | 359 | static void usa26_outcont_callback(struct urb *urb) |
1da177e4 LT |
360 | { |
361 | struct usb_serial_port *port; | |
362 | struct keyspan_port_private *p_priv; | |
363 | ||
cdc97792 | 364 | port = urb->context; |
1da177e4 LT |
365 | p_priv = usb_get_serial_port_data(port); |
366 | ||
367 | if (p_priv->resend_cont) { | |
049c6b4e | 368 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
369 | keyspan_usa26_send_setup(port->serial, port, |
370 | p_priv->resend_cont - 1); | |
1da177e4 LT |
371 | } |
372 | } | |
373 | ||
7d12e780 | 374 | static void usa26_instat_callback(struct urb *urb) |
1da177e4 LT |
375 | { |
376 | unsigned char *data = urb->transfer_buffer; | |
377 | struct keyspan_usa26_portStatusMessage *msg; | |
378 | struct usb_serial *serial; | |
379 | struct usb_serial_port *port; | |
380 | struct keyspan_port_private *p_priv; | |
4a90f09b | 381 | struct tty_struct *tty; |
1da177e4 | 382 | int old_dcd_state, err; |
95b93454 | 383 | int status = urb->status; |
1da177e4 | 384 | |
cdc97792 | 385 | serial = urb->context; |
1da177e4 | 386 | |
95b93454 | 387 | if (status) { |
049c6b4e | 388 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
389 | return; |
390 | } | |
391 | if (urb->actual_length != 9) { | |
049c6b4e | 392 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
393 | goto exit; |
394 | } | |
395 | ||
396 | msg = (struct keyspan_usa26_portStatusMessage *)data; | |
397 | ||
398 | #if 0 | |
049c6b4e GKH |
399 | dev_dbg(&urb->dev->dev, |
400 | "%s - port status: port %d cts %d dcd %d dsr %d ri %d toff %d txoff %d rxen %d cr %d", | |
401 | __func__, msg->port, msg->hskia_cts, msg->gpia_dcd, msg->dsr, | |
402 | msg->ri, msg->_txOff, msg->_txXoff, msg->rxEnabled, | |
403 | msg->controlResponse); | |
1da177e4 LT |
404 | #endif |
405 | ||
406 | /* Now do something useful with the data */ | |
407 | ||
408 | ||
deb91685 | 409 | /* Check port number from message and retrieve private data */ |
1da177e4 | 410 | if (msg->port >= serial->num_ports) { |
049c6b4e | 411 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
412 | goto exit; |
413 | } | |
414 | port = serial->port[msg->port]; | |
415 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 416 | |
1da177e4 LT |
417 | /* Update handshaking pin state information */ |
418 | old_dcd_state = p_priv->dcd_state; | |
419 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
420 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
421 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
422 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
423 | ||
4a90f09b AC |
424 | if (old_dcd_state != p_priv->dcd_state) { |
425 | tty = tty_port_tty_get(&port->port); | |
426 | if (tty && !C_CLOCAL(tty)) | |
427 | tty_hangup(tty); | |
428 | tty_kref_put(tty); | |
1da177e4 | 429 | } |
deb91685 | 430 | |
1da177e4 | 431 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
432 | err = usb_submit_urb(urb, GFP_ATOMIC); |
433 | if (err != 0) | |
049c6b4e | 434 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
435 | exit: ; |
436 | } | |
437 | ||
7d12e780 | 438 | static void usa26_glocont_callback(struct urb *urb) |
1da177e4 | 439 | { |
1da177e4 LT |
440 | } |
441 | ||
442 | ||
7d12e780 | 443 | static void usa28_indat_callback(struct urb *urb) |
1da177e4 | 444 | { |
f035a8ad | 445 | int err; |
1da177e4 | 446 | struct usb_serial_port *port; |
1da177e4 LT |
447 | unsigned char *data; |
448 | struct keyspan_port_private *p_priv; | |
95b93454 | 449 | int status = urb->status; |
1da177e4 | 450 | |
cdc97792 | 451 | port = urb->context; |
1da177e4 LT |
452 | p_priv = usb_get_serial_port_data(port); |
453 | data = urb->transfer_buffer; | |
454 | ||
455 | if (urb != p_priv->in_urbs[p_priv->in_flip]) | |
456 | return; | |
457 | ||
458 | do { | |
95b93454 | 459 | if (status) { |
049c6b4e GKH |
460 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
461 | __func__, status, usb_pipeendpoint(urb->pipe)); | |
1da177e4 LT |
462 | return; |
463 | } | |
464 | ||
cdc97792 | 465 | port = urb->context; |
1da177e4 LT |
466 | p_priv = usb_get_serial_port_data(port); |
467 | data = urb->transfer_buffer; | |
468 | ||
2e124b4a | 469 | if (urb->actual_length) { |
05c7cd39 JS |
470 | tty_insert_flip_string(&port->port, data, |
471 | urb->actual_length); | |
2e124b4a | 472 | tty_flip_buffer_push(&port->port); |
1da177e4 LT |
473 | } |
474 | ||
475 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
476 | err = usb_submit_urb(urb, GFP_ATOMIC); |
477 | if (err != 0) | |
049c6b4e | 478 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", |
1f87158e | 479 | __func__, err); |
1da177e4 LT |
480 | p_priv->in_flip ^= 1; |
481 | ||
482 | urb = p_priv->in_urbs[p_priv->in_flip]; | |
483 | } while (urb->status != -EINPROGRESS); | |
484 | } | |
485 | ||
7d12e780 | 486 | static void usa28_inack_callback(struct urb *urb) |
1da177e4 | 487 | { |
1da177e4 LT |
488 | } |
489 | ||
7d12e780 | 490 | static void usa28_outcont_callback(struct urb *urb) |
1da177e4 LT |
491 | { |
492 | struct usb_serial_port *port; | |
493 | struct keyspan_port_private *p_priv; | |
494 | ||
cdc97792 | 495 | port = urb->context; |
1da177e4 LT |
496 | p_priv = usb_get_serial_port_data(port); |
497 | ||
498 | if (p_priv->resend_cont) { | |
049c6b4e | 499 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
500 | keyspan_usa28_send_setup(port->serial, port, |
501 | p_priv->resend_cont - 1); | |
1da177e4 LT |
502 | } |
503 | } | |
504 | ||
7d12e780 | 505 | static void usa28_instat_callback(struct urb *urb) |
1da177e4 LT |
506 | { |
507 | int err; | |
508 | unsigned char *data = urb->transfer_buffer; | |
509 | struct keyspan_usa28_portStatusMessage *msg; | |
510 | struct usb_serial *serial; | |
511 | struct usb_serial_port *port; | |
512 | struct keyspan_port_private *p_priv; | |
4a90f09b | 513 | struct tty_struct *tty; |
1da177e4 | 514 | int old_dcd_state; |
95b93454 | 515 | int status = urb->status; |
1da177e4 | 516 | |
cdc97792 | 517 | serial = urb->context; |
1da177e4 | 518 | |
95b93454 | 519 | if (status) { |
049c6b4e | 520 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
521 | return; |
522 | } | |
523 | ||
524 | if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { | |
049c6b4e | 525 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
526 | goto exit; |
527 | } | |
528 | ||
049c6b4e GKH |
529 | /* |
530 | dev_dbg(&urb->dev->dev, | |
a8ffa0be | 531 | "%s %x %x %x %x %x %x %x %x %x %x %x %x", __func__, |
049c6b4e GKH |
532 | data[0], data[1], data[2], data[3], data[4], data[5], |
533 | data[6], data[7], data[8], data[9], data[10], data[11]); | |
534 | */ | |
1da177e4 | 535 | |
deb91685 AC |
536 | /* Now do something useful with the data */ |
537 | msg = (struct keyspan_usa28_portStatusMessage *)data; | |
1da177e4 | 538 | |
deb91685 | 539 | /* Check port number from message and retrieve private data */ |
1da177e4 | 540 | if (msg->port >= serial->num_ports) { |
049c6b4e | 541 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
1da177e4 LT |
542 | goto exit; |
543 | } | |
544 | port = serial->port[msg->port]; | |
545 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 546 | |
1da177e4 LT |
547 | /* Update handshaking pin state information */ |
548 | old_dcd_state = p_priv->dcd_state; | |
549 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
550 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
551 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
552 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
553 | ||
ddc04ae7 | 554 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
4a90f09b | 555 | tty = tty_port_tty_get(&port->port); |
878b5fd6 | 556 | if (tty && !C_CLOCAL(tty)) |
4a90f09b AC |
557 | tty_hangup(tty); |
558 | tty_kref_put(tty); | |
1da177e4 LT |
559 | } |
560 | ||
561 | /* Resubmit urb so we continue receiving */ | |
deb91685 AC |
562 | err = usb_submit_urb(urb, GFP_ATOMIC); |
563 | if (err != 0) | |
049c6b4e | 564 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
565 | exit: ; |
566 | } | |
567 | ||
7d12e780 | 568 | static void usa28_glocont_callback(struct urb *urb) |
1da177e4 | 569 | { |
1da177e4 LT |
570 | } |
571 | ||
572 | ||
7d12e780 | 573 | static void usa49_glocont_callback(struct urb *urb) |
1da177e4 LT |
574 | { |
575 | struct usb_serial *serial; | |
576 | struct usb_serial_port *port; | |
577 | struct keyspan_port_private *p_priv; | |
578 | int i; | |
579 | ||
cdc97792 | 580 | serial = urb->context; |
1da177e4 LT |
581 | for (i = 0; i < serial->num_ports; ++i) { |
582 | port = serial->port[i]; | |
583 | p_priv = usb_get_serial_port_data(port); | |
584 | ||
585 | if (p_priv->resend_cont) { | |
049c6b4e | 586 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
587 | keyspan_usa49_send_setup(serial, port, |
588 | p_priv->resend_cont - 1); | |
1da177e4 LT |
589 | break; |
590 | } | |
591 | } | |
592 | } | |
593 | ||
594 | /* This is actually called glostat in the Keyspan | |
595 | doco */ | |
7d12e780 | 596 | static void usa49_instat_callback(struct urb *urb) |
1da177e4 LT |
597 | { |
598 | int err; | |
599 | unsigned char *data = urb->transfer_buffer; | |
600 | struct keyspan_usa49_portStatusMessage *msg; | |
601 | struct usb_serial *serial; | |
602 | struct usb_serial_port *port; | |
603 | struct keyspan_port_private *p_priv; | |
604 | int old_dcd_state; | |
95b93454 | 605 | int status = urb->status; |
1da177e4 | 606 | |
cdc97792 | 607 | serial = urb->context; |
1da177e4 | 608 | |
95b93454 | 609 | if (status) { |
049c6b4e | 610 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
611 | return; |
612 | } | |
613 | ||
deb91685 AC |
614 | if (urb->actual_length != |
615 | sizeof(struct keyspan_usa49_portStatusMessage)) { | |
049c6b4e | 616 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
1da177e4 LT |
617 | goto exit; |
618 | } | |
619 | ||
049c6b4e GKH |
620 | /* |
621 | dev_dbg(&urb->dev->dev, "%s: %x %x %x %x %x %x %x %x %x %x %x", | |
622 | __func__, data[0], data[1], data[2], data[3], data[4], | |
623 | data[5], data[6], data[7], data[8], data[9], data[10]); | |
624 | */ | |
deb91685 AC |
625 | |
626 | /* Now do something useful with the data */ | |
1da177e4 LT |
627 | msg = (struct keyspan_usa49_portStatusMessage *)data; |
628 | ||
deb91685 | 629 | /* Check port number from message and retrieve private data */ |
1da177e4 | 630 | if (msg->portNumber >= serial->num_ports) { |
049c6b4e GKH |
631 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
632 | __func__, msg->portNumber); | |
1da177e4 LT |
633 | goto exit; |
634 | } | |
635 | port = serial->port[msg->portNumber]; | |
636 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 637 | |
1da177e4 LT |
638 | /* Update handshaking pin state information */ |
639 | old_dcd_state = p_priv->dcd_state; | |
640 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
641 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
642 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
643 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
644 | ||
4a90f09b AC |
645 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
646 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
647 | if (tty && !C_CLOCAL(tty)) | |
648 | tty_hangup(tty); | |
649 | tty_kref_put(tty); | |
1da177e4 LT |
650 | } |
651 | ||
deb91685 | 652 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
653 | err = usb_submit_urb(urb, GFP_ATOMIC); |
654 | if (err != 0) | |
049c6b4e | 655 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
656 | exit: ; |
657 | } | |
658 | ||
7d12e780 | 659 | static void usa49_inack_callback(struct urb *urb) |
1da177e4 | 660 | { |
1da177e4 LT |
661 | } |
662 | ||
7d12e780 | 663 | static void usa49_indat_callback(struct urb *urb) |
1da177e4 LT |
664 | { |
665 | int i, err; | |
666 | int endpoint; | |
667 | struct usb_serial_port *port; | |
1da177e4 | 668 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 669 | int status = urb->status; |
1da177e4 | 670 | |
1da177e4 LT |
671 | endpoint = usb_pipeendpoint(urb->pipe); |
672 | ||
95b93454 | 673 | if (status) { |
049c6b4e GKH |
674 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
675 | __func__, status, endpoint); | |
1da177e4 LT |
676 | return; |
677 | } | |
678 | ||
cdc97792 | 679 | port = urb->context; |
2e124b4a | 680 | if (urb->actual_length) { |
1da177e4 LT |
681 | /* 0x80 bit is error flag */ |
682 | if ((data[0] & 0x80) == 0) { | |
683 | /* no error on any byte */ | |
05c7cd39 | 684 | tty_insert_flip_string(&port->port, data + 1, |
f035a8ad | 685 | urb->actual_length - 1); |
1da177e4 LT |
686 | } else { |
687 | /* some bytes had errors, every byte has status */ | |
688 | for (i = 0; i + 1 < urb->actual_length; i += 2) { | |
689 | int stat = data[i], flag = 0; | |
690 | if (stat & RXERROR_OVERRUN) | |
691 | flag |= TTY_OVERRUN; | |
692 | if (stat & RXERROR_FRAMING) | |
693 | flag |= TTY_FRAME; | |
694 | if (stat & RXERROR_PARITY) | |
695 | flag |= TTY_PARITY; | |
696 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
697 | tty_insert_flip_char(&port->port, data[i+1], |
698 | flag); | |
1da177e4 LT |
699 | } |
700 | } | |
2e124b4a | 701 | tty_flip_buffer_push(&port->port); |
1da177e4 | 702 | } |
deb91685 AC |
703 | |
704 | /* Resubmit urb so we continue receiving */ | |
1f87158e AS |
705 | err = usb_submit_urb(urb, GFP_ATOMIC); |
706 | if (err != 0) | |
049c6b4e | 707 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
708 | } |
709 | ||
0ca1268e LM |
710 | static void usa49wg_indat_callback(struct urb *urb) |
711 | { | |
712 | int i, len, x, err; | |
713 | struct usb_serial *serial; | |
714 | struct usb_serial_port *port; | |
0ca1268e | 715 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 716 | int status = urb->status; |
0ca1268e | 717 | |
0ca1268e LM |
718 | serial = urb->context; |
719 | ||
95b93454 | 720 | if (status) { |
049c6b4e | 721 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
722 | return; |
723 | } | |
724 | ||
725 | /* inbound data is in the form P#, len, status, data */ | |
726 | i = 0; | |
727 | len = 0; | |
728 | ||
729 | if (urb->actual_length) { | |
730 | while (i < urb->actual_length) { | |
731 | ||
732 | /* Check port number from message*/ | |
733 | if (data[i] >= serial->num_ports) { | |
049c6b4e | 734 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", |
441b62c1 | 735 | __func__, data[i]); |
0ca1268e LM |
736 | return; |
737 | } | |
738 | port = serial->port[data[i++]]; | |
0ca1268e LM |
739 | len = data[i++]; |
740 | ||
741 | /* 0x80 bit is error flag */ | |
742 | if ((data[i] & 0x80) == 0) { | |
743 | /* no error on any byte */ | |
744 | i++; | |
745 | for (x = 1; x < len ; ++x) | |
92a19f9c JS |
746 | tty_insert_flip_char(&port->port, |
747 | data[i++], 0); | |
0ca1268e LM |
748 | } else { |
749 | /* | |
750 | * some bytes had errors, every byte has status | |
751 | */ | |
752 | for (x = 0; x + 1 < len; x += 2) { | |
753 | int stat = data[i], flag = 0; | |
754 | if (stat & RXERROR_OVERRUN) | |
755 | flag |= TTY_OVERRUN; | |
756 | if (stat & RXERROR_FRAMING) | |
757 | flag |= TTY_FRAME; | |
758 | if (stat & RXERROR_PARITY) | |
759 | flag |= TTY_PARITY; | |
760 | /* XXX should handle break (0x10) */ | |
92a19f9c | 761 | tty_insert_flip_char(&port->port, |
0ca1268e LM |
762 | data[i+1], flag); |
763 | i += 2; | |
764 | } | |
765 | } | |
2e124b4a | 766 | tty_flip_buffer_push(&port->port); |
0ca1268e LM |
767 | } |
768 | } | |
769 | ||
770 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
771 | err = usb_submit_urb(urb, GFP_ATOMIC); |
772 | if (err != 0) | |
049c6b4e | 773 | dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
774 | } |
775 | ||
1da177e4 | 776 | /* not used, usa-49 doesn't have per-port control endpoints */ |
0ca1268e | 777 | static void usa49_outcont_callback(struct urb *urb) |
1da177e4 | 778 | { |
1da177e4 LT |
779 | } |
780 | ||
0ca1268e | 781 | static void usa90_indat_callback(struct urb *urb) |
1da177e4 LT |
782 | { |
783 | int i, err; | |
784 | int endpoint; | |
785 | struct usb_serial_port *port; | |
786 | struct keyspan_port_private *p_priv; | |
1da177e4 | 787 | unsigned char *data = urb->transfer_buffer; |
95b93454 | 788 | int status = urb->status; |
1da177e4 | 789 | |
1da177e4 LT |
790 | endpoint = usb_pipeendpoint(urb->pipe); |
791 | ||
95b93454 | 792 | if (status) { |
049c6b4e | 793 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x on endpoint %d.\n", |
441b62c1 | 794 | __func__, status, endpoint); |
1da177e4 LT |
795 | return; |
796 | } | |
797 | ||
cdc97792 | 798 | port = urb->context; |
1da177e4 LT |
799 | p_priv = usb_get_serial_port_data(port); |
800 | ||
1da177e4 | 801 | if (urb->actual_length) { |
1da177e4 | 802 | /* if current mode is DMA, looks like usa28 format |
deb91685 | 803 | otherwise looks like usa26 data format */ |
1da177e4 | 804 | |
f035a8ad | 805 | if (p_priv->baud > 57600) |
05c7cd39 JS |
806 | tty_insert_flip_string(&port->port, data, |
807 | urb->actual_length); | |
f035a8ad | 808 | else { |
1da177e4 LT |
809 | /* 0x80 bit is error flag */ |
810 | if ((data[0] & 0x80) == 0) { | |
deb91685 AC |
811 | /* no errors on individual bytes, only |
812 | possible overrun err*/ | |
1da177e4 | 813 | if (data[0] & RXERROR_OVERRUN) |
deb91685 AC |
814 | err = TTY_OVERRUN; |
815 | else | |
816 | err = 0; | |
817 | for (i = 1; i < urb->actual_length ; ++i) | |
92a19f9c JS |
818 | tty_insert_flip_char(&port->port, |
819 | data[i], err); | |
deb91685 | 820 | } else { |
1da177e4 | 821 | /* some bytes had errors, every byte has status */ |
049c6b4e | 822 | dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); |
1da177e4 LT |
823 | for (i = 0; i + 1 < urb->actual_length; i += 2) { |
824 | int stat = data[i], flag = 0; | |
825 | if (stat & RXERROR_OVERRUN) | |
826 | flag |= TTY_OVERRUN; | |
827 | if (stat & RXERROR_FRAMING) | |
828 | flag |= TTY_FRAME; | |
829 | if (stat & RXERROR_PARITY) | |
830 | flag |= TTY_PARITY; | |
831 | /* XXX should handle break (0x10) */ | |
92a19f9c JS |
832 | tty_insert_flip_char(&port->port, |
833 | data[i+1], flag); | |
1da177e4 LT |
834 | } |
835 | } | |
836 | } | |
2e124b4a | 837 | tty_flip_buffer_push(&port->port); |
1da177e4 | 838 | } |
deb91685 | 839 | |
1da177e4 | 840 | /* Resubmit urb so we continue receiving */ |
1f87158e AS |
841 | err = usb_submit_urb(urb, GFP_ATOMIC); |
842 | if (err != 0) | |
049c6b4e | 843 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
844 | } |
845 | ||
846 | ||
7d12e780 | 847 | static void usa90_instat_callback(struct urb *urb) |
1da177e4 LT |
848 | { |
849 | unsigned char *data = urb->transfer_buffer; | |
850 | struct keyspan_usa90_portStatusMessage *msg; | |
851 | struct usb_serial *serial; | |
852 | struct usb_serial_port *port; | |
853 | struct keyspan_port_private *p_priv; | |
4a90f09b | 854 | struct tty_struct *tty; |
1da177e4 | 855 | int old_dcd_state, err; |
95b93454 | 856 | int status = urb->status; |
1da177e4 | 857 | |
cdc97792 | 858 | serial = urb->context; |
1da177e4 | 859 | |
95b93454 | 860 | if (status) { |
049c6b4e | 861 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
1da177e4 LT |
862 | return; |
863 | } | |
864 | if (urb->actual_length < 14) { | |
049c6b4e | 865 | dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); |
1da177e4 LT |
866 | goto exit; |
867 | } | |
868 | ||
869 | msg = (struct keyspan_usa90_portStatusMessage *)data; | |
870 | ||
871 | /* Now do something useful with the data */ | |
872 | ||
873 | port = serial->port[0]; | |
874 | p_priv = usb_get_serial_port_data(port); | |
deb91685 | 875 | |
1da177e4 LT |
876 | /* Update handshaking pin state information */ |
877 | old_dcd_state = p_priv->dcd_state; | |
878 | p_priv->cts_state = ((msg->cts) ? 1 : 0); | |
879 | p_priv->dsr_state = ((msg->dsr) ? 1 : 0); | |
880 | p_priv->dcd_state = ((msg->dcd) ? 1 : 0); | |
881 | p_priv->ri_state = ((msg->ri) ? 1 : 0); | |
882 | ||
4a90f09b AC |
883 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
884 | tty = tty_port_tty_get(&port->port); | |
885 | if (tty && !C_CLOCAL(tty)) | |
886 | tty_hangup(tty); | |
887 | tty_kref_put(tty); | |
1da177e4 | 888 | } |
deb91685 | 889 | |
1da177e4 | 890 | /* Resubmit urb so we continue receiving */ |
deb91685 AC |
891 | err = usb_submit_urb(urb, GFP_ATOMIC); |
892 | if (err != 0) | |
049c6b4e | 893 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
1da177e4 LT |
894 | exit: |
895 | ; | |
896 | } | |
897 | ||
7d12e780 | 898 | static void usa90_outcont_callback(struct urb *urb) |
1da177e4 LT |
899 | { |
900 | struct usb_serial_port *port; | |
901 | struct keyspan_port_private *p_priv; | |
902 | ||
cdc97792 | 903 | port = urb->context; |
1da177e4 LT |
904 | p_priv = usb_get_serial_port_data(port); |
905 | ||
906 | if (p_priv->resend_cont) { | |
049c6b4e | 907 | dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); |
deb91685 AC |
908 | keyspan_usa90_send_setup(port->serial, port, |
909 | p_priv->resend_cont - 1); | |
1da177e4 LT |
910 | } |
911 | } | |
912 | ||
0ca1268e LM |
913 | /* Status messages from the 28xg */ |
914 | static void usa67_instat_callback(struct urb *urb) | |
915 | { | |
916 | int err; | |
917 | unsigned char *data = urb->transfer_buffer; | |
918 | struct keyspan_usa67_portStatusMessage *msg; | |
919 | struct usb_serial *serial; | |
920 | struct usb_serial_port *port; | |
921 | struct keyspan_port_private *p_priv; | |
922 | int old_dcd_state; | |
95b93454 | 923 | int status = urb->status; |
0ca1268e | 924 | |
0ca1268e LM |
925 | serial = urb->context; |
926 | ||
95b93454 | 927 | if (status) { |
049c6b4e | 928 | dev_dbg(&urb->dev->dev, "%s - nonzero status: %x\n", __func__, status); |
0ca1268e LM |
929 | return; |
930 | } | |
931 | ||
deb91685 AC |
932 | if (urb->actual_length != |
933 | sizeof(struct keyspan_usa67_portStatusMessage)) { | |
049c6b4e | 934 | dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); |
0ca1268e LM |
935 | return; |
936 | } | |
937 | ||
938 | ||
939 | /* Now do something useful with the data */ | |
940 | msg = (struct keyspan_usa67_portStatusMessage *)data; | |
941 | ||
942 | /* Check port number from message and retrieve private data */ | |
943 | if (msg->port >= serial->num_ports) { | |
049c6b4e | 944 | dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); |
0ca1268e LM |
945 | return; |
946 | } | |
947 | ||
948 | port = serial->port[msg->port]; | |
949 | p_priv = usb_get_serial_port_data(port); | |
950 | ||
951 | /* Update handshaking pin state information */ | |
952 | old_dcd_state = p_priv->dcd_state; | |
953 | p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); | |
954 | p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); | |
955 | ||
4a90f09b AC |
956 | if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { |
957 | struct tty_struct *tty = tty_port_tty_get(&port->port); | |
958 | if (tty && !C_CLOCAL(tty)) | |
959 | tty_hangup(tty); | |
960 | tty_kref_put(tty); | |
0ca1268e LM |
961 | } |
962 | ||
963 | /* Resubmit urb so we continue receiving */ | |
0ca1268e LM |
964 | err = usb_submit_urb(urb, GFP_ATOMIC); |
965 | if (err != 0) | |
049c6b4e | 966 | dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); |
0ca1268e LM |
967 | } |
968 | ||
969 | static void usa67_glocont_callback(struct urb *urb) | |
970 | { | |
971 | struct usb_serial *serial; | |
972 | struct usb_serial_port *port; | |
973 | struct keyspan_port_private *p_priv; | |
974 | int i; | |
975 | ||
0ca1268e LM |
976 | serial = urb->context; |
977 | for (i = 0; i < serial->num_ports; ++i) { | |
978 | port = serial->port[i]; | |
979 | p_priv = usb_get_serial_port_data(port); | |
980 | ||
981 | if (p_priv->resend_cont) { | |
049c6b4e | 982 | dev_dbg(&port->dev, "%s - sending setup\n", __func__); |
0ca1268e LM |
983 | keyspan_usa67_send_setup(serial, port, |
984 | p_priv->resend_cont - 1); | |
985 | break; | |
986 | } | |
987 | } | |
988 | } | |
989 | ||
95da310e | 990 | static int keyspan_write_room(struct tty_struct *tty) |
1da177e4 | 991 | { |
95da310e | 992 | struct usb_serial_port *port = tty->driver_data; |
1da177e4 LT |
993 | struct keyspan_port_private *p_priv; |
994 | const struct keyspan_device_details *d_details; | |
995 | int flip; | |
996 | int data_len; | |
997 | struct urb *this_urb; | |
998 | ||
1da177e4 LT |
999 | p_priv = usb_get_serial_port_data(port); |
1000 | d_details = p_priv->device_details; | |
1001 | ||
a5b6f60c | 1002 | /* FIXME: locking */ |
1da177e4 | 1003 | if (d_details->msg_format == msg_usa90) |
deb91685 | 1004 | data_len = 64; |
1da177e4 LT |
1005 | else |
1006 | data_len = 63; | |
1007 | ||
1008 | flip = p_priv->out_flip; | |
1009 | ||
1010 | /* Check both endpoints to see if any are available. */ | |
deb91685 AC |
1011 | this_urb = p_priv->out_urbs[flip]; |
1012 | if (this_urb != NULL) { | |
1da177e4 | 1013 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1014 | return data_len; |
1015 | flip = (flip + 1) & d_details->outdat_endp_flip; | |
1016 | this_urb = p_priv->out_urbs[flip]; | |
1017 | if (this_urb != NULL) { | |
1da177e4 | 1018 | if (this_urb->status != -EINPROGRESS) |
deb91685 AC |
1019 | return data_len; |
1020 | } | |
1da177e4 | 1021 | } |
a5b6f60c | 1022 | return 0; |
1da177e4 LT |
1023 | } |
1024 | ||
1025 | ||
a509a7e4 | 1026 | static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 1027 | { |
f78ba157 | 1028 | struct keyspan_port_private *p_priv; |
1da177e4 LT |
1029 | const struct keyspan_device_details *d_details; |
1030 | int i, err; | |
f78ba157 | 1031 | int baud_rate, device_port; |
1da177e4 | 1032 | struct urb *urb; |
95da310e | 1033 | unsigned int cflag = 0; |
1da177e4 | 1034 | |
1da177e4 LT |
1035 | p_priv = usb_get_serial_port_data(port); |
1036 | d_details = p_priv->device_details; | |
7eea4364 | 1037 | |
1da177e4 LT |
1038 | /* Set some sane defaults */ |
1039 | p_priv->rts_state = 1; | |
1040 | p_priv->dtr_state = 1; | |
1041 | p_priv->baud = 9600; | |
1042 | ||
1043 | /* force baud and lcr to be set on open */ | |
1044 | p_priv->old_baud = 0; | |
1045 | p_priv->old_cflag = 0; | |
1046 | ||
1047 | p_priv->out_flip = 0; | |
1048 | p_priv->in_flip = 0; | |
1049 | ||
1050 | /* Reset low level data toggle and start reading from endpoints */ | |
1051 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1052 | urb = p_priv->in_urbs[i]; |
1053 | if (urb == NULL) | |
1da177e4 | 1054 | continue; |
1da177e4 | 1055 | |
deb91685 AC |
1056 | /* make sure endpoint data toggle is synchronized |
1057 | with the device */ | |
1da177e4 | 1058 | usb_clear_halt(urb->dev, urb->pipe); |
deb91685 AC |
1059 | err = usb_submit_urb(urb, GFP_KERNEL); |
1060 | if (err != 0) | |
049c6b4e | 1061 | dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); |
1da177e4 LT |
1062 | } |
1063 | ||
1064 | /* Reset low level data toggle on out endpoints */ | |
1065 | for (i = 0; i < 2; i++) { | |
deb91685 AC |
1066 | urb = p_priv->out_urbs[i]; |
1067 | if (urb == NULL) | |
1da177e4 | 1068 | continue; |
deb91685 AC |
1069 | /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), |
1070 | usb_pipeout(urb->pipe), 0); */ | |
1da177e4 LT |
1071 | } |
1072 | ||
f78ba157 AM |
1073 | /* get the terminal config for the setup message now so we don't |
1074 | * need to send 2 of them */ | |
1075 | ||
f78ba157 | 1076 | device_port = port->number - port->serial->minor; |
95da310e | 1077 | if (tty) { |
adc8d746 | 1078 | cflag = tty->termios.c_cflag; |
95da310e AC |
1079 | /* Baud rate calculation takes baud rate as an integer |
1080 | so other rates can be generated if desired. */ | |
1081 | baud_rate = tty_get_baud_rate(tty); | |
1082 | /* If no match or invalid, leave as default */ | |
1083 | if (baud_rate >= 0 | |
049c6b4e | 1084 | && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, |
95da310e AC |
1085 | NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { |
1086 | p_priv->baud = baud_rate; | |
1087 | } | |
f78ba157 | 1088 | } |
f78ba157 AM |
1089 | /* set CTS/RTS handshake etc. */ |
1090 | p_priv->cflag = cflag; | |
2b982ab1 | 1091 | p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; |
f78ba157 AM |
1092 | |
1093 | keyspan_send_setup(port, 1); | |
deb91685 AC |
1094 | /* mdelay(100); */ |
1095 | /* keyspan_set_termios(port, NULL); */ | |
f78ba157 | 1096 | |
a5b6f60c | 1097 | return 0; |
1da177e4 LT |
1098 | } |
1099 | ||
1100 | static inline void stop_urb(struct urb *urb) | |
1101 | { | |
242cf670 | 1102 | if (urb && urb->status == -EINPROGRESS) |
1da177e4 | 1103 | usb_kill_urb(urb); |
1da177e4 LT |
1104 | } |
1105 | ||
335f8514 AC |
1106 | static void keyspan_dtr_rts(struct usb_serial_port *port, int on) |
1107 | { | |
1108 | struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); | |
1109 | ||
1110 | p_priv->rts_state = on; | |
1111 | p_priv->dtr_state = on; | |
1112 | keyspan_send_setup(port, 0); | |
1113 | } | |
1114 | ||
1115 | static void keyspan_close(struct usb_serial_port *port) | |
1da177e4 LT |
1116 | { |
1117 | int i; | |
1da177e4 LT |
1118 | struct keyspan_port_private *p_priv; |
1119 | ||
1da177e4 | 1120 | p_priv = usb_get_serial_port_data(port); |
deb91685 | 1121 | |
1da177e4 LT |
1122 | p_priv->rts_state = 0; |
1123 | p_priv->dtr_state = 0; | |
deb91685 | 1124 | |
80dfe0ce JH |
1125 | keyspan_send_setup(port, 2); |
1126 | /* pilot-xfer seems to work best with this delay */ | |
1127 | mdelay(100); | |
1da177e4 LT |
1128 | |
1129 | p_priv->out_flip = 0; | |
1130 | p_priv->in_flip = 0; | |
1131 | ||
80dfe0ce JH |
1132 | stop_urb(p_priv->inack_urb); |
1133 | for (i = 0; i < 2; i++) { | |
1134 | stop_urb(p_priv->in_urbs[i]); | |
1135 | stop_urb(p_priv->out_urbs[i]); | |
1da177e4 | 1136 | } |
1da177e4 LT |
1137 | } |
1138 | ||
deb91685 AC |
1139 | /* download the firmware to a pre-renumeration device */ |
1140 | static int keyspan_fake_startup(struct usb_serial *serial) | |
1da177e4 | 1141 | { |
8d733e26 | 1142 | char *fw_name; |
1da177e4 | 1143 | |
049c6b4e GKH |
1144 | dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", |
1145 | le16_to_cpu(serial->dev->descriptor.bcdDevice), | |
1146 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
deb91685 AC |
1147 | |
1148 | if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) | |
1149 | != 0x8000) { | |
049c6b4e | 1150 | dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); |
deb91685 | 1151 | return 1; |
1da177e4 LT |
1152 | } |
1153 | ||
1154 | /* Select firmware image on the basis of idProduct */ | |
1155 | switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { | |
1156 | case keyspan_usa28_pre_product_id: | |
2971c579 | 1157 | fw_name = "keyspan/usa28.fw"; |
1da177e4 LT |
1158 | break; |
1159 | ||
1160 | case keyspan_usa28x_pre_product_id: | |
2971c579 | 1161 | fw_name = "keyspan/usa28x.fw"; |
1da177e4 LT |
1162 | break; |
1163 | ||
1164 | case keyspan_usa28xa_pre_product_id: | |
2971c579 | 1165 | fw_name = "keyspan/usa28xa.fw"; |
1da177e4 LT |
1166 | break; |
1167 | ||
1168 | case keyspan_usa28xb_pre_product_id: | |
2971c579 | 1169 | fw_name = "keyspan/usa28xb.fw"; |
1da177e4 LT |
1170 | break; |
1171 | ||
1172 | case keyspan_usa19_pre_product_id: | |
2971c579 | 1173 | fw_name = "keyspan/usa19.fw"; |
1da177e4 | 1174 | break; |
deb91685 | 1175 | |
1da177e4 | 1176 | case keyspan_usa19qi_pre_product_id: |
2971c579 | 1177 | fw_name = "keyspan/usa19qi.fw"; |
1da177e4 | 1178 | break; |
deb91685 | 1179 | |
1da177e4 | 1180 | case keyspan_mpr_pre_product_id: |
2971c579 | 1181 | fw_name = "keyspan/mpr.fw"; |
1da177e4 LT |
1182 | break; |
1183 | ||
1184 | case keyspan_usa19qw_pre_product_id: | |
2971c579 | 1185 | fw_name = "keyspan/usa19qw.fw"; |
1da177e4 | 1186 | break; |
deb91685 | 1187 | |
1da177e4 | 1188 | case keyspan_usa18x_pre_product_id: |
2971c579 | 1189 | fw_name = "keyspan/usa18x.fw"; |
1da177e4 | 1190 | break; |
deb91685 | 1191 | |
1da177e4 | 1192 | case keyspan_usa19w_pre_product_id: |
2971c579 | 1193 | fw_name = "keyspan/usa19w.fw"; |
1da177e4 | 1194 | break; |
deb91685 | 1195 | |
1da177e4 | 1196 | case keyspan_usa49w_pre_product_id: |
2971c579 | 1197 | fw_name = "keyspan/usa49w.fw"; |
1da177e4 LT |
1198 | break; |
1199 | ||
1200 | case keyspan_usa49wlc_pre_product_id: | |
2971c579 | 1201 | fw_name = "keyspan/usa49wlc.fw"; |
1da177e4 LT |
1202 | break; |
1203 | ||
1204 | default: | |
2971c579 DW |
1205 | dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", |
1206 | le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1207 | return 1; | |
1da177e4 LT |
1208 | } |
1209 | ||
049c6b4e | 1210 | dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); |
1da177e4 | 1211 | |
8d733e26 RB |
1212 | if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { |
1213 | dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", | |
1214 | fw_name); | |
1215 | return -ENOENT; | |
1da177e4 | 1216 | } |
8d733e26 RB |
1217 | |
1218 | /* after downloading firmware Renumeration will occur in a | |
1219 | moment and the new device will bind to the real driver */ | |
1da177e4 LT |
1220 | |
1221 | /* we don't want this device to have a driver assigned to it. */ | |
deb91685 | 1222 | return 1; |
1da177e4 LT |
1223 | } |
1224 | ||
1225 | /* Helper functions used by keyspan_setup_urbs */ | |
fdcba53e RW |
1226 | static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, |
1227 | int endpoint) | |
1228 | { | |
1229 | struct usb_host_interface *iface_desc; | |
1230 | struct usb_endpoint_descriptor *ep; | |
1231 | int i; | |
1232 | ||
1233 | iface_desc = serial->interface->cur_altsetting; | |
1234 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { | |
1235 | ep = &iface_desc->endpoint[i].desc; | |
1236 | if (ep->bEndpointAddress == endpoint) | |
1237 | return ep; | |
1238 | } | |
1239 | dev_warn(&serial->interface->dev, "found no endpoint descriptor for " | |
1240 | "endpoint %x\n", endpoint); | |
1241 | return NULL; | |
1242 | } | |
1243 | ||
deb91685 | 1244 | static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, |
1da177e4 | 1245 | int dir, void *ctx, char *buf, int len, |
7d12e780 | 1246 | void (*callback)(struct urb *)) |
1da177e4 LT |
1247 | { |
1248 | struct urb *urb; | |
fdcba53e RW |
1249 | struct usb_endpoint_descriptor const *ep_desc; |
1250 | char const *ep_type_name; | |
1da177e4 LT |
1251 | |
1252 | if (endpoint == -1) | |
1253 | return NULL; /* endpoint not needed */ | |
1254 | ||
049c6b4e | 1255 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d.\n", __func__, endpoint); |
1da177e4 LT |
1256 | urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ |
1257 | if (urb == NULL) { | |
049c6b4e | 1258 | dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %d failed.\n", __func__, endpoint); |
1da177e4 LT |
1259 | return NULL; |
1260 | } | |
1261 | ||
0ca1268e LM |
1262 | if (endpoint == 0) { |
1263 | /* control EP filled in when used */ | |
1264 | return urb; | |
1265 | } | |
1266 | ||
fdcba53e RW |
1267 | ep_desc = find_ep(serial, endpoint); |
1268 | if (!ep_desc) { | |
1269 | /* leak the urb, something's wrong and the callers don't care */ | |
1270 | return urb; | |
1271 | } | |
1272 | if (usb_endpoint_xfer_int(ep_desc)) { | |
1273 | ep_type_name = "INT"; | |
1274 | usb_fill_int_urb(urb, serial->dev, | |
1275 | usb_sndintpipe(serial->dev, endpoint) | dir, | |
1276 | buf, len, callback, ctx, | |
1277 | ep_desc->bInterval); | |
1278 | } else if (usb_endpoint_xfer_bulk(ep_desc)) { | |
1279 | ep_type_name = "BULK"; | |
1280 | usb_fill_bulk_urb(urb, serial->dev, | |
1281 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
1282 | buf, len, callback, ctx); | |
1283 | } else { | |
1284 | dev_warn(&serial->interface->dev, | |
1285 | "unsupported endpoint type %x\n", | |
2e0fe709 | 1286 | usb_endpoint_type(ep_desc)); |
fdcba53e RW |
1287 | usb_free_urb(urb); |
1288 | return NULL; | |
1289 | } | |
1da177e4 | 1290 | |
049c6b4e | 1291 | dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", |
fdcba53e | 1292 | __func__, urb, ep_type_name, endpoint); |
1da177e4 LT |
1293 | return urb; |
1294 | } | |
1295 | ||
1296 | static struct callbacks { | |
7d12e780 DH |
1297 | void (*instat_callback)(struct urb *); |
1298 | void (*glocont_callback)(struct urb *); | |
1299 | void (*indat_callback)(struct urb *); | |
1300 | void (*outdat_callback)(struct urb *); | |
1301 | void (*inack_callback)(struct urb *); | |
1302 | void (*outcont_callback)(struct urb *); | |
1da177e4 LT |
1303 | } keyspan_callbacks[] = { |
1304 | { | |
1305 | /* msg_usa26 callbacks */ | |
1306 | .instat_callback = usa26_instat_callback, | |
1307 | .glocont_callback = usa26_glocont_callback, | |
1308 | .indat_callback = usa26_indat_callback, | |
1309 | .outdat_callback = usa2x_outdat_callback, | |
1310 | .inack_callback = usa26_inack_callback, | |
1311 | .outcont_callback = usa26_outcont_callback, | |
1312 | }, { | |
1313 | /* msg_usa28 callbacks */ | |
1314 | .instat_callback = usa28_instat_callback, | |
1315 | .glocont_callback = usa28_glocont_callback, | |
1316 | .indat_callback = usa28_indat_callback, | |
1317 | .outdat_callback = usa2x_outdat_callback, | |
1318 | .inack_callback = usa28_inack_callback, | |
1319 | .outcont_callback = usa28_outcont_callback, | |
1320 | }, { | |
1321 | /* msg_usa49 callbacks */ | |
1322 | .instat_callback = usa49_instat_callback, | |
1323 | .glocont_callback = usa49_glocont_callback, | |
1324 | .indat_callback = usa49_indat_callback, | |
1325 | .outdat_callback = usa2x_outdat_callback, | |
1326 | .inack_callback = usa49_inack_callback, | |
1327 | .outcont_callback = usa49_outcont_callback, | |
1328 | }, { | |
1329 | /* msg_usa90 callbacks */ | |
1330 | .instat_callback = usa90_instat_callback, | |
deb91685 | 1331 | .glocont_callback = usa28_glocont_callback, |
1da177e4 LT |
1332 | .indat_callback = usa90_indat_callback, |
1333 | .outdat_callback = usa2x_outdat_callback, | |
1334 | .inack_callback = usa28_inack_callback, | |
1335 | .outcont_callback = usa90_outcont_callback, | |
0ca1268e LM |
1336 | }, { |
1337 | /* msg_usa67 callbacks */ | |
1338 | .instat_callback = usa67_instat_callback, | |
1339 | .glocont_callback = usa67_glocont_callback, | |
1340 | .indat_callback = usa26_indat_callback, | |
1341 | .outdat_callback = usa2x_outdat_callback, | |
1342 | .inack_callback = usa26_inack_callback, | |
1343 | .outcont_callback = usa26_outcont_callback, | |
1da177e4 LT |
1344 | } |
1345 | }; | |
1346 | ||
1347 | /* Generic setup urbs function that uses | |
1348 | data in device_details */ | |
1349 | static void keyspan_setup_urbs(struct usb_serial *serial) | |
1350 | { | |
1da177e4 LT |
1351 | struct keyspan_serial_private *s_priv; |
1352 | const struct keyspan_device_details *d_details; | |
1da177e4 | 1353 | struct callbacks *cback; |
1da177e4 | 1354 | |
1da177e4 LT |
1355 | s_priv = usb_get_serial_data(serial); |
1356 | d_details = s_priv->device_details; | |
1357 | ||
deb91685 | 1358 | /* Setup values for the various callback routines */ |
1da177e4 LT |
1359 | cback = &keyspan_callbacks[d_details->msg_format]; |
1360 | ||
deb91685 AC |
1361 | /* Allocate and set up urbs for each one that is in use, |
1362 | starting with instat endpoints */ | |
1da177e4 LT |
1363 | s_priv->instat_urb = keyspan_setup_urb |
1364 | (serial, d_details->instat_endpoint, USB_DIR_IN, | |
1365 | serial, s_priv->instat_buf, INSTAT_BUFLEN, | |
1366 | cback->instat_callback); | |
1367 | ||
0ca1268e LM |
1368 | s_priv->indat_urb = keyspan_setup_urb |
1369 | (serial, d_details->indat_endpoint, USB_DIR_IN, | |
1370 | serial, s_priv->indat_buf, INDAT49W_BUFLEN, | |
1371 | usa49wg_indat_callback); | |
1372 | ||
1da177e4 LT |
1373 | s_priv->glocont_urb = keyspan_setup_urb |
1374 | (serial, d_details->glocont_endpoint, USB_DIR_OUT, | |
1375 | serial, s_priv->glocont_buf, GLOCONT_BUFLEN, | |
1376 | cback->glocont_callback); | |
1da177e4 LT |
1377 | } |
1378 | ||
1379 | /* usa19 function doesn't require prescaler */ | |
049c6b4e GKH |
1380 | static int keyspan_usa19_calc_baud(struct usb_serial_port *port, |
1381 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1382 | u8 *rate_low, u8 *prescaler, int portnum) |
1383 | { | |
1384 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1385 | div, /* divisor */ |
1da177e4 | 1386 | cnt; /* inverse of divisor (programmed into 8051) */ |
1da177e4 | 1387 | |
049c6b4e | 1388 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
deb91685 AC |
1389 | |
1390 | /* prevent divide by zero... */ | |
1391 | b16 = baud_rate * 16L; | |
1392 | if (b16 == 0) | |
1393 | return KEYSPAN_INVALID_BAUD_RATE; | |
1394 | /* Any "standard" rate over 57k6 is marginal on the USA-19 | |
1395 | as we run out of divisor resolution. */ | |
1396 | if (baud_rate > 57600) | |
1397 | return KEYSPAN_INVALID_BAUD_RATE; | |
1398 | ||
1399 | /* calculate the divisor and the counter (its inverse) */ | |
1400 | div = baudclk / b16; | |
1401 | if (div == 0) | |
1402 | return KEYSPAN_INVALID_BAUD_RATE; | |
1403 | else | |
1da177e4 | 1404 | cnt = 0 - div; |
1da177e4 | 1405 | |
deb91685 AC |
1406 | if (div > 0xffff) |
1407 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1408 | |
deb91685 AC |
1409 | /* return the counter values if non-null */ |
1410 | if (rate_low) | |
1da177e4 | 1411 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1412 | if (rate_hi) |
1da177e4 | 1413 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
deb91685 | 1414 | if (rate_low && rate_hi) |
049c6b4e | 1415 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1416 | __func__, baud_rate, *rate_hi, *rate_low); |
1417 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1418 | } |
1419 | ||
1420 | /* usa19hs function doesn't require prescaler */ | |
049c6b4e GKH |
1421 | static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, |
1422 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1423 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1424 | { |
1425 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1426 | div; /* divisor */ |
1da177e4 | 1427 | |
049c6b4e | 1428 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1429 | |
deb91685 AC |
1430 | /* prevent divide by zero... */ |
1431 | b16 = baud_rate * 16L; | |
1432 | if (b16 == 0) | |
1433 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1434 | |
deb91685 AC |
1435 | /* calculate the divisor */ |
1436 | div = baudclk / b16; | |
1437 | if (div == 0) | |
1438 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1439 | |
deb91685 AC |
1440 | if (div > 0xffff) |
1441 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1442 | |
deb91685 AC |
1443 | /* return the counter values if non-null */ |
1444 | if (rate_low) | |
1da177e4 | 1445 | *rate_low = (u8) (div & 0xff); |
deb91685 AC |
1446 | |
1447 | if (rate_hi) | |
1da177e4 | 1448 | *rate_hi = (u8) ((div >> 8) & 0xff); |
deb91685 AC |
1449 | |
1450 | if (rate_low && rate_hi) | |
049c6b4e | 1451 | dev_dbg(&port->dev, "%s - %d %02x %02x.\n", |
deb91685 AC |
1452 | __func__, baud_rate, *rate_hi, *rate_low); |
1453 | ||
1454 | return KEYSPAN_BAUD_RATE_OK; | |
1da177e4 LT |
1455 | } |
1456 | ||
049c6b4e GKH |
1457 | static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, |
1458 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1da177e4 LT |
1459 | u8 *rate_low, u8 *prescaler, int portnum) |
1460 | { | |
1461 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
1462 | clk, /* clock with 13/8 prescaler */ | |
deb91685 | 1463 | div, /* divisor using 13/8 prescaler */ |
1da177e4 LT |
1464 | res, /* resulting baud rate using 13/8 prescaler */ |
1465 | diff, /* error using 13/8 prescaler */ | |
1466 | smallest_diff; | |
1467 | u8 best_prescaler; | |
1468 | int i; | |
1469 | ||
049c6b4e | 1470 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 | 1471 | |
deb91685 AC |
1472 | /* prevent divide by zero */ |
1473 | b16 = baud_rate * 16L; | |
1474 | if (b16 == 0) | |
1475 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 | 1476 | |
deb91685 AC |
1477 | /* Calculate prescaler by trying them all and looking |
1478 | for best fit */ | |
1479 | ||
1480 | /* start with largest possible difference */ | |
1da177e4 LT |
1481 | smallest_diff = 0xffffffff; |
1482 | ||
1483 | /* 0 is an invalid prescaler, used as a flag */ | |
1484 | best_prescaler = 0; | |
1485 | ||
deb91685 | 1486 | for (i = 8; i <= 0xff; ++i) { |
1da177e4 | 1487 | clk = (baudclk * 8) / (u32) i; |
deb91685 AC |
1488 | |
1489 | div = clk / b16; | |
1490 | if (div == 0) | |
1da177e4 | 1491 | continue; |
1da177e4 LT |
1492 | |
1493 | res = clk / div; | |
deb91685 | 1494 | diff = (res > b16) ? (res-b16) : (b16-res); |
1da177e4 | 1495 | |
deb91685 | 1496 | if (diff < smallest_diff) { |
1da177e4 LT |
1497 | best_prescaler = i; |
1498 | smallest_diff = diff; | |
1499 | } | |
1500 | } | |
1501 | ||
deb91685 AC |
1502 | if (best_prescaler == 0) |
1503 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1504 | |
1505 | clk = (baudclk * 8) / (u32) best_prescaler; | |
1506 | div = clk / b16; | |
1507 | ||
deb91685 AC |
1508 | /* return the divisor and prescaler if non-null */ |
1509 | if (rate_low) | |
1da177e4 | 1510 | *rate_low = (u8) (div & 0xff); |
deb91685 | 1511 | if (rate_hi) |
1da177e4 | 1512 | *rate_hi = (u8) ((div >> 8) & 0xff); |
1da177e4 LT |
1513 | if (prescaler) { |
1514 | *prescaler = best_prescaler; | |
049c6b4e | 1515 | /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ |
1da177e4 | 1516 | } |
deb91685 | 1517 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1518 | } |
1519 | ||
1520 | /* USA-28 supports different maximum baud rates on each port */ | |
049c6b4e GKH |
1521 | static int keyspan_usa28_calc_baud(struct usb_serial_port *port, |
1522 | u32 baud_rate, u32 baudclk, u8 *rate_hi, | |
1523 | u8 *rate_low, u8 *prescaler, int portnum) | |
1da177e4 LT |
1524 | { |
1525 | u32 b16, /* baud rate times 16 (actual rate used internally) */ | |
deb91685 | 1526 | div, /* divisor */ |
1da177e4 LT |
1527 | cnt; /* inverse of divisor (programmed into 8051) */ |
1528 | ||
049c6b4e | 1529 | dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); |
1da177e4 LT |
1530 | |
1531 | /* prevent divide by zero */ | |
deb91685 AC |
1532 | b16 = baud_rate * 16L; |
1533 | if (b16 == 0) | |
1534 | return KEYSPAN_INVALID_BAUD_RATE; | |
1535 | ||
1536 | /* calculate the divisor and the counter (its inverse) */ | |
1537 | div = KEYSPAN_USA28_BAUDCLK / b16; | |
1538 | if (div == 0) | |
1539 | return KEYSPAN_INVALID_BAUD_RATE; | |
1540 | else | |
1da177e4 | 1541 | cnt = 0 - div; |
1da177e4 | 1542 | |
deb91685 AC |
1543 | /* check for out of range, based on portnum, |
1544 | and return result */ | |
1545 | if (portnum == 0) { | |
1546 | if (div > 0xffff) | |
1547 | return KEYSPAN_INVALID_BAUD_RATE; | |
1548 | } else { | |
1549 | if (portnum == 1) { | |
1550 | if (div > 0xff) | |
1551 | return KEYSPAN_INVALID_BAUD_RATE; | |
1552 | } else | |
1553 | return KEYSPAN_INVALID_BAUD_RATE; | |
1da177e4 LT |
1554 | } |
1555 | ||
1556 | /* return the counter values if not NULL | |
1557 | (port 1 will ignore retHi) */ | |
deb91685 | 1558 | if (rate_low) |
1da177e4 | 1559 | *rate_low = (u8) (cnt & 0xff); |
deb91685 | 1560 | if (rate_hi) |
1da177e4 | 1561 | *rate_hi = (u8) ((cnt >> 8) & 0xff); |
049c6b4e | 1562 | dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); |
deb91685 | 1563 | return KEYSPAN_BAUD_RATE_OK; |
1da177e4 LT |
1564 | } |
1565 | ||
1566 | static int keyspan_usa26_send_setup(struct usb_serial *serial, | |
1567 | struct usb_serial_port *port, | |
1568 | int reset_port) | |
1569 | { | |
deb91685 | 1570 | struct keyspan_usa26_portControlMessage msg; |
1da177e4 LT |
1571 | struct keyspan_serial_private *s_priv; |
1572 | struct keyspan_port_private *p_priv; | |
1573 | const struct keyspan_device_details *d_details; | |
1574 | int outcont_urb; | |
1575 | struct urb *this_urb; | |
1576 | int device_port, err; | |
1577 | ||
049c6b4e | 1578 | dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); |
1da177e4 LT |
1579 | |
1580 | s_priv = usb_get_serial_data(serial); | |
1581 | p_priv = usb_get_serial_port_data(port); | |
1582 | d_details = s_priv->device_details; | |
1583 | device_port = port->number - port->serial->minor; | |
1584 | ||
1585 | outcont_urb = d_details->outcont_endpoints[port->number]; | |
1586 | this_urb = p_priv->outcont_urb; | |
1587 | ||
049c6b4e | 1588 | dev_dbg(&port->dev, "%s - endpoint %d\n", __func__, usb_pipeendpoint(this_urb->pipe)); |
1da177e4 LT |
1589 | |
1590 | /* Make sure we have an urb then send the message */ | |
1591 | if (this_urb == NULL) { | |
049c6b4e | 1592 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1593 | return -1; |
1594 | } | |
1595 | ||
1596 | /* Save reset port val for resend. | |
0ca1268e LM |
1597 | Don't overwrite resend for open/close condition. */ |
1598 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1599 | p_priv->resend_cont = reset_port + 1; |
1600 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1601 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1602 | mdelay(5); |
deb91685 | 1603 | return -1; |
1da177e4 LT |
1604 | } |
1605 | ||
deb91685 AC |
1606 | memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); |
1607 | ||
1608 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1609 | if (p_priv->old_baud != p_priv->baud) { |
1610 | p_priv->old_baud = p_priv->baud; | |
1611 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1612 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1613 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1614 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1615 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1616 | __func__, p_priv->baud); | |
1da177e4 LT |
1617 | msg.baudLo = 0; |
1618 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1619 | msg.prescaler = 10; | |
1620 | } | |
1621 | msg.setPrescaler = 0xff; | |
1622 | } | |
1623 | ||
2b982ab1 | 1624 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1625 | switch (p_priv->cflag & CSIZE) { |
1626 | case CS5: | |
1627 | msg.lcr |= USA_DATABITS_5; | |
1628 | break; | |
1629 | case CS6: | |
1630 | msg.lcr |= USA_DATABITS_6; | |
1631 | break; | |
1632 | case CS7: | |
1633 | msg.lcr |= USA_DATABITS_7; | |
1634 | break; | |
1635 | case CS8: | |
1636 | msg.lcr |= USA_DATABITS_8; | |
1637 | break; | |
1638 | } | |
1639 | if (p_priv->cflag & PARENB) { | |
1640 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1641 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1642 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1643 | } |
1644 | msg.setLcr = 0xff; | |
1645 | ||
1646 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1647 | msg.xonFlowControl = 0; | |
1648 | msg.setFlowControl = 0xff; | |
1649 | msg.forwardingLength = 16; | |
1650 | msg.xonChar = 17; | |
1651 | msg.xoffChar = 19; | |
1652 | ||
1653 | /* Opening port */ | |
1654 | if (reset_port == 1) { | |
1655 | msg._txOn = 1; | |
1656 | msg._txOff = 0; | |
1657 | msg.txFlush = 0; | |
1658 | msg.txBreak = 0; | |
1659 | msg.rxOn = 1; | |
1660 | msg.rxOff = 0; | |
1661 | msg.rxFlush = 1; | |
1662 | msg.rxForward = 0; | |
1663 | msg.returnStatus = 0; | |
1664 | msg.resetDataToggle = 0xff; | |
1665 | } | |
1666 | ||
1667 | /* Closing port */ | |
1668 | else if (reset_port == 2) { | |
1669 | msg._txOn = 0; | |
1670 | msg._txOff = 1; | |
1671 | msg.txFlush = 0; | |
1672 | msg.txBreak = 0; | |
1673 | msg.rxOn = 0; | |
1674 | msg.rxOff = 1; | |
1675 | msg.rxFlush = 1; | |
1676 | msg.rxForward = 0; | |
1677 | msg.returnStatus = 0; | |
1678 | msg.resetDataToggle = 0; | |
1679 | } | |
1680 | ||
1681 | /* Sending intermediate configs */ | |
1682 | else { | |
deb91685 | 1683 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1684 | msg._txOff = 0; |
1685 | msg.txFlush = 0; | |
1686 | msg.txBreak = (p_priv->break_on); | |
1687 | msg.rxOn = 0; | |
1688 | msg.rxOff = 0; | |
1689 | msg.rxFlush = 0; | |
1690 | msg.rxForward = 0; | |
1691 | msg.returnStatus = 0; | |
1692 | msg.resetDataToggle = 0x0; | |
1693 | } | |
1694 | ||
deb91685 | 1695 | /* Do handshaking outputs */ |
1da177e4 LT |
1696 | msg.setTxTriState_setRts = 0xff; |
1697 | msg.txTriState_rts = p_priv->rts_state; | |
1698 | ||
1699 | msg.setHskoa_setDtr = 0xff; | |
1700 | msg.hskoa_dtr = p_priv->dtr_state; | |
deb91685 | 1701 | |
1da177e4 | 1702 | p_priv->resend_cont = 0; |
deb91685 AC |
1703 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1704 | ||
1da177e4 LT |
1705 | /* send the data out the device on control endpoint */ |
1706 | this_urb->transfer_buffer_length = sizeof(msg); | |
1707 | ||
deb91685 AC |
1708 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1709 | if (err != 0) | |
049c6b4e | 1710 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 LT |
1711 | #if 0 |
1712 | else { | |
049c6b4e GKH |
1713 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__ |
1714 | outcont_urb, this_urb->transfer_buffer_length, | |
1715 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
1716 | } |
1717 | #endif | |
1718 | ||
a5b6f60c | 1719 | return 0; |
1da177e4 LT |
1720 | } |
1721 | ||
1722 | static int keyspan_usa28_send_setup(struct usb_serial *serial, | |
1723 | struct usb_serial_port *port, | |
1724 | int reset_port) | |
1725 | { | |
deb91685 | 1726 | struct keyspan_usa28_portControlMessage msg; |
1da177e4 LT |
1727 | struct keyspan_serial_private *s_priv; |
1728 | struct keyspan_port_private *p_priv; | |
1729 | const struct keyspan_device_details *d_details; | |
1730 | struct urb *this_urb; | |
1731 | int device_port, err; | |
1732 | ||
1da177e4 LT |
1733 | s_priv = usb_get_serial_data(serial); |
1734 | p_priv = usb_get_serial_port_data(port); | |
1735 | d_details = s_priv->device_details; | |
1736 | device_port = port->number - port->serial->minor; | |
1737 | ||
1738 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
1739 | this_urb = p_priv->outcont_urb; |
1740 | if (this_urb == NULL) { | |
049c6b4e | 1741 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
1742 | return -1; |
1743 | } | |
1744 | ||
1745 | /* Save reset port val for resend. | |
0ca1268e LM |
1746 | Don't overwrite resend for open/close condition. */ |
1747 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 LT |
1748 | p_priv->resend_cont = reset_port + 1; |
1749 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 1750 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 1751 | mdelay(5); |
deb91685 | 1752 | return -1; |
1da177e4 LT |
1753 | } |
1754 | ||
deb91685 | 1755 | memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); |
1da177e4 LT |
1756 | |
1757 | msg.setBaudRate = 1; | |
049c6b4e GKH |
1758 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1759 | &msg.baudHi, &msg.baudLo, NULL, | |
1760 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1761 | dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", | |
deb91685 | 1762 | __func__, p_priv->baud); |
1da177e4 LT |
1763 | msg.baudLo = 0xff; |
1764 | msg.baudHi = 0xb2; /* Values for 9600 baud */ | |
1765 | } | |
1766 | ||
1767 | /* If parity is enabled, we must calculate it ourselves. */ | |
1768 | msg.parity = 0; /* XXX for now */ | |
1769 | ||
1770 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1771 | msg.xonFlowControl = 0; | |
1772 | ||
deb91685 | 1773 | /* Do handshaking outputs, DTR is inverted relative to RTS */ |
1da177e4 LT |
1774 | msg.rts = p_priv->rts_state; |
1775 | msg.dtr = p_priv->dtr_state; | |
1776 | ||
1777 | msg.forwardingLength = 16; | |
1778 | msg.forwardMs = 10; | |
1779 | msg.breakThreshold = 45; | |
1780 | msg.xonChar = 17; | |
1781 | msg.xoffChar = 19; | |
1782 | ||
1783 | /*msg.returnStatus = 1; | |
1784 | msg.resetDataToggle = 0xff;*/ | |
1785 | /* Opening port */ | |
1786 | if (reset_port == 1) { | |
1787 | msg._txOn = 1; | |
1788 | msg._txOff = 0; | |
1789 | msg.txFlush = 0; | |
1790 | msg.txForceXoff = 0; | |
1791 | msg.txBreak = 0; | |
1792 | msg.rxOn = 1; | |
1793 | msg.rxOff = 0; | |
1794 | msg.rxFlush = 1; | |
1795 | msg.rxForward = 0; | |
1796 | msg.returnStatus = 0; | |
1797 | msg.resetDataToggle = 0xff; | |
1798 | } | |
1799 | /* Closing port */ | |
1800 | else if (reset_port == 2) { | |
1801 | msg._txOn = 0; | |
1802 | msg._txOff = 1; | |
1803 | msg.txFlush = 0; | |
1804 | msg.txForceXoff = 0; | |
1805 | msg.txBreak = 0; | |
1806 | msg.rxOn = 0; | |
1807 | msg.rxOff = 1; | |
1808 | msg.rxFlush = 1; | |
1809 | msg.rxForward = 0; | |
1810 | msg.returnStatus = 0; | |
1811 | msg.resetDataToggle = 0; | |
1812 | } | |
1813 | /* Sending intermediate configs */ | |
1814 | else { | |
deb91685 | 1815 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1816 | msg._txOff = 0; |
1817 | msg.txFlush = 0; | |
1818 | msg.txForceXoff = 0; | |
1819 | msg.txBreak = (p_priv->break_on); | |
1820 | msg.rxOn = 0; | |
1821 | msg.rxOff = 0; | |
1822 | msg.rxFlush = 0; | |
1823 | msg.rxForward = 0; | |
1824 | msg.returnStatus = 0; | |
1825 | msg.resetDataToggle = 0x0; | |
1826 | } | |
1827 | ||
1828 | p_priv->resend_cont = 0; | |
deb91685 | 1829 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
1da177e4 LT |
1830 | |
1831 | /* send the data out the device on control endpoint */ | |
1832 | this_urb->transfer_buffer_length = sizeof(msg); | |
1833 | ||
deb91685 AC |
1834 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
1835 | if (err != 0) | |
049c6b4e | 1836 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); |
1da177e4 LT |
1837 | #if 0 |
1838 | else { | |
049c6b4e | 1839 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) OK %d bytes\n", __func__, |
1da177e4 LT |
1840 | this_urb->transfer_buffer_length); |
1841 | } | |
1842 | #endif | |
1843 | ||
a5b6f60c | 1844 | return 0; |
1da177e4 LT |
1845 | } |
1846 | ||
1847 | static int keyspan_usa49_send_setup(struct usb_serial *serial, | |
1848 | struct usb_serial_port *port, | |
1849 | int reset_port) | |
1850 | { | |
0ca1268e LM |
1851 | struct keyspan_usa49_portControlMessage msg; |
1852 | struct usb_ctrlrequest *dr = NULL; | |
1da177e4 LT |
1853 | struct keyspan_serial_private *s_priv; |
1854 | struct keyspan_port_private *p_priv; | |
1855 | const struct keyspan_device_details *d_details; | |
1da177e4 LT |
1856 | struct urb *this_urb; |
1857 | int err, device_port; | |
1858 | ||
1da177e4 LT |
1859 | s_priv = usb_get_serial_data(serial); |
1860 | p_priv = usb_get_serial_port_data(port); | |
1861 | d_details = s_priv->device_details; | |
1862 | ||
1da177e4 LT |
1863 | this_urb = s_priv->glocont_urb; |
1864 | ||
0ca1268e | 1865 | /* Work out which port within the device is being setup */ |
1da177e4 LT |
1866 | device_port = port->number - port->serial->minor; |
1867 | ||
d866150a | 1868 | /* Make sure we have an urb then send the message */ |
1da177e4 | 1869 | if (this_urb == NULL) { |
049c6b4e | 1870 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, port->number); |
1da177e4 LT |
1871 | return -1; |
1872 | } | |
1873 | ||
049c6b4e GKH |
1874 | dev_dbg(&port->dev, "%s - endpoint %d port %d (%d)\n", |
1875 | __func__, usb_pipeendpoint(this_urb->pipe), | |
1876 | port->number, device_port); | |
d866150a | 1877 | |
1da177e4 | 1878 | /* Save reset port val for resend. |
0ca1268e LM |
1879 | Don't overwrite resend for open/close condition. */ |
1880 | if ((reset_port + 1) > p_priv->resend_cont) | |
1da177e4 | 1881 | p_priv->resend_cont = reset_port + 1; |
0ca1268e | 1882 | |
1da177e4 | 1883 | if (this_urb->status == -EINPROGRESS) { |
049c6b4e | 1884 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
1da177e4 | 1885 | mdelay(5); |
deb91685 | 1886 | return -1; |
1da177e4 LT |
1887 | } |
1888 | ||
deb91685 | 1889 | memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); |
1da177e4 LT |
1890 | |
1891 | /*msg.portNumber = port->number;*/ | |
1892 | msg.portNumber = device_port; | |
deb91685 AC |
1893 | |
1894 | /* Only set baud rate if it's changed */ | |
1da177e4 LT |
1895 | if (p_priv->old_baud != p_priv->baud) { |
1896 | p_priv->old_baud = p_priv->baud; | |
1897 | msg.setClocking = 0xff; | |
049c6b4e GKH |
1898 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1899 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
1900 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
1901 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
1902 | __func__, p_priv->baud); | |
1da177e4 LT |
1903 | msg.baudLo = 0; |
1904 | msg.baudHi = 125; /* Values for 9600 baud */ | |
1905 | msg.prescaler = 10; | |
1906 | } | |
deb91685 | 1907 | /* msg.setPrescaler = 0xff; */ |
1da177e4 LT |
1908 | } |
1909 | ||
2b982ab1 | 1910 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
1911 | switch (p_priv->cflag & CSIZE) { |
1912 | case CS5: | |
1913 | msg.lcr |= USA_DATABITS_5; | |
1914 | break; | |
1915 | case CS6: | |
1916 | msg.lcr |= USA_DATABITS_6; | |
1917 | break; | |
1918 | case CS7: | |
1919 | msg.lcr |= USA_DATABITS_7; | |
1920 | break; | |
1921 | case CS8: | |
1922 | msg.lcr |= USA_DATABITS_8; | |
1923 | break; | |
1924 | } | |
1925 | if (p_priv->cflag & PARENB) { | |
1926 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 1927 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 1928 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
1929 | } |
1930 | msg.setLcr = 0xff; | |
1931 | ||
1932 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
1933 | msg.xonFlowControl = 0; | |
1934 | msg.setFlowControl = 0xff; | |
deb91685 | 1935 | |
1da177e4 LT |
1936 | msg.forwardingLength = 16; |
1937 | msg.xonChar = 17; | |
1938 | msg.xoffChar = 19; | |
1939 | ||
deb91685 | 1940 | /* Opening port */ |
1da177e4 LT |
1941 | if (reset_port == 1) { |
1942 | msg._txOn = 1; | |
1943 | msg._txOff = 0; | |
1944 | msg.txFlush = 0; | |
1945 | msg.txBreak = 0; | |
1946 | msg.rxOn = 1; | |
1947 | msg.rxOff = 0; | |
1948 | msg.rxFlush = 1; | |
1949 | msg.rxForward = 0; | |
1950 | msg.returnStatus = 0; | |
1951 | msg.resetDataToggle = 0xff; | |
1952 | msg.enablePort = 1; | |
1953 | msg.disablePort = 0; | |
1954 | } | |
1955 | /* Closing port */ | |
1956 | else if (reset_port == 2) { | |
1957 | msg._txOn = 0; | |
1958 | msg._txOff = 1; | |
1959 | msg.txFlush = 0; | |
1960 | msg.txBreak = 0; | |
1961 | msg.rxOn = 0; | |
1962 | msg.rxOff = 1; | |
1963 | msg.rxFlush = 1; | |
1964 | msg.rxForward = 0; | |
1965 | msg.returnStatus = 0; | |
1966 | msg.resetDataToggle = 0; | |
1967 | msg.enablePort = 0; | |
1968 | msg.disablePort = 1; | |
1969 | } | |
1970 | /* Sending intermediate configs */ | |
1971 | else { | |
deb91685 | 1972 | msg._txOn = (!p_priv->break_on); |
1da177e4 LT |
1973 | msg._txOff = 0; |
1974 | msg.txFlush = 0; | |
1975 | msg.txBreak = (p_priv->break_on); | |
1976 | msg.rxOn = 0; | |
1977 | msg.rxOff = 0; | |
1978 | msg.rxFlush = 0; | |
1979 | msg.rxForward = 0; | |
1980 | msg.returnStatus = 0; | |
1981 | msg.resetDataToggle = 0x0; | |
1982 | msg.enablePort = 0; | |
1983 | msg.disablePort = 0; | |
1984 | } | |
1985 | ||
deb91685 | 1986 | /* Do handshaking outputs */ |
1da177e4 LT |
1987 | msg.setRts = 0xff; |
1988 | msg.rts = p_priv->rts_state; | |
1989 | ||
1990 | msg.setDtr = 0xff; | |
1991 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 1992 | |
1da177e4 | 1993 | p_priv->resend_cont = 0; |
0ca1268e | 1994 | |
deb91685 AC |
1995 | /* if the device is a 49wg, we send control message on usb |
1996 | control EP 0 */ | |
0ca1268e LM |
1997 | |
1998 | if (d_details->product_id == keyspan_usa49wg_product_id) { | |
1999 | dr = (void *)(s_priv->ctrl_buf); | |
2000 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; | |
2001 | dr->bRequest = 0xB0; /* 49wg control message */; | |
2002 | dr->wValue = 0; | |
2003 | dr->wIndex = 0; | |
2004 | dr->wLength = cpu_to_le16(sizeof(msg)); | |
2005 | ||
deb91685 | 2006 | memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); |
0ca1268e | 2007 | |
deb91685 AC |
2008 | usb_fill_control_urb(this_urb, serial->dev, |
2009 | usb_sndctrlpipe(serial->dev, 0), | |
2010 | (unsigned char *)dr, s_priv->glocont_buf, | |
2011 | sizeof(msg), usa49_glocont_callback, serial); | |
0ca1268e LM |
2012 | |
2013 | } else { | |
2014 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
deb91685 | 2015 | |
0ca1268e LM |
2016 | /* send the data out the device on control endpoint */ |
2017 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e | 2018 | } |
deb91685 AC |
2019 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2020 | if (err != 0) | |
049c6b4e | 2021 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
1da177e4 LT |
2022 | #if 0 |
2023 | else { | |
049c6b4e GKH |
2024 | dev_dbg(&port->dev, "%s - usb_submit_urb(%d) OK %d bytes (end %d)\n", __func__, |
2025 | outcont_urb, this_urb->transfer_buffer_length, | |
2026 | usb_pipeendpoint(this_urb->pipe)); | |
1da177e4 LT |
2027 | } |
2028 | #endif | |
2029 | ||
a5b6f60c | 2030 | return 0; |
1da177e4 LT |
2031 | } |
2032 | ||
2033 | static int keyspan_usa90_send_setup(struct usb_serial *serial, | |
2034 | struct usb_serial_port *port, | |
2035 | int reset_port) | |
2036 | { | |
deb91685 | 2037 | struct keyspan_usa90_portControlMessage msg; |
1da177e4 LT |
2038 | struct keyspan_serial_private *s_priv; |
2039 | struct keyspan_port_private *p_priv; | |
2040 | const struct keyspan_device_details *d_details; | |
2041 | struct urb *this_urb; | |
2042 | int err; | |
2043 | u8 prescaler; | |
2044 | ||
1da177e4 LT |
2045 | s_priv = usb_get_serial_data(serial); |
2046 | p_priv = usb_get_serial_port_data(port); | |
2047 | d_details = s_priv->device_details; | |
2048 | ||
2049 | /* only do something if we have a bulk out endpoint */ | |
deb91685 AC |
2050 | this_urb = p_priv->outcont_urb; |
2051 | if (this_urb == NULL) { | |
049c6b4e | 2052 | dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); |
1da177e4 LT |
2053 | return -1; |
2054 | } | |
2055 | ||
2056 | /* Save reset port val for resend. | |
2057 | Don't overwrite resend for open/close condition. */ | |
2058 | if ((reset_port + 1) > p_priv->resend_cont) | |
2059 | p_priv->resend_cont = reset_port + 1; | |
2060 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2061 | dev_dbg(&port->dev, "%s already writing\n", __func__); |
1da177e4 | 2062 | mdelay(5); |
deb91685 | 2063 | return -1; |
1da177e4 LT |
2064 | } |
2065 | ||
deb91685 | 2066 | memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); |
1da177e4 | 2067 | |
deb91685 | 2068 | /* Only set baud rate if it's changed */ |
1da177e4 LT |
2069 | if (p_priv->old_baud != p_priv->baud) { |
2070 | p_priv->old_baud = p_priv->baud; | |
2071 | msg.setClocking = 0x01; | |
049c6b4e GKH |
2072 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2073 | &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { | |
2074 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2075 | __func__, p_priv->baud); | |
1da177e4 | 2076 | p_priv->baud = 9600; |
049c6b4e | 2077 | d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
1da177e4 LT |
2078 | &msg.baudHi, &msg.baudLo, &prescaler, 0); |
2079 | } | |
2080 | msg.setRxMode = 1; | |
2081 | msg.setTxMode = 1; | |
2082 | } | |
2083 | ||
2084 | /* modes must always be correctly specified */ | |
deb91685 | 2085 | if (p_priv->baud > 57600) { |
1da177e4 LT |
2086 | msg.rxMode = RXMODE_DMA; |
2087 | msg.txMode = TXMODE_DMA; | |
deb91685 | 2088 | } else { |
1da177e4 LT |
2089 | msg.rxMode = RXMODE_BYHAND; |
2090 | msg.txMode = TXMODE_BYHAND; | |
2091 | } | |
2092 | ||
2b982ab1 | 2093 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; |
1da177e4 LT |
2094 | switch (p_priv->cflag & CSIZE) { |
2095 | case CS5: | |
2096 | msg.lcr |= USA_DATABITS_5; | |
2097 | break; | |
2098 | case CS6: | |
2099 | msg.lcr |= USA_DATABITS_6; | |
2100 | break; | |
2101 | case CS7: | |
2102 | msg.lcr |= USA_DATABITS_7; | |
2103 | break; | |
2104 | case CS8: | |
2105 | msg.lcr |= USA_DATABITS_8; | |
2106 | break; | |
2107 | } | |
2108 | if (p_priv->cflag & PARENB) { | |
2109 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2110 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2111 | USA_PARITY_ODD : USA_PARITY_EVEN; |
1da177e4 LT |
2112 | } |
2113 | if (p_priv->old_cflag != p_priv->cflag) { | |
2114 | p_priv->old_cflag = p_priv->cflag; | |
2115 | msg.setLcr = 0x01; | |
2116 | } | |
2117 | ||
2118 | if (p_priv->flow_control == flow_cts) | |
2119 | msg.txFlowControl = TXFLOW_CTS; | |
2120 | msg.setTxFlowControl = 0x01; | |
2121 | msg.setRxFlowControl = 0x01; | |
deb91685 | 2122 | |
1da177e4 | 2123 | msg.rxForwardingLength = 16; |
deb91685 | 2124 | msg.rxForwardingTimeout = 16; |
1da177e4 LT |
2125 | msg.txAckSetting = 0; |
2126 | msg.xonChar = 17; | |
2127 | msg.xoffChar = 19; | |
2128 | ||
deb91685 | 2129 | /* Opening port */ |
1da177e4 LT |
2130 | if (reset_port == 1) { |
2131 | msg.portEnabled = 1; | |
2132 | msg.rxFlush = 1; | |
2133 | msg.txBreak = (p_priv->break_on); | |
2134 | } | |
2135 | /* Closing port */ | |
deb91685 | 2136 | else if (reset_port == 2) |
1da177e4 | 2137 | msg.portEnabled = 0; |
1da177e4 LT |
2138 | /* Sending intermediate configs */ |
2139 | else { | |
1f87158e | 2140 | msg.portEnabled = 1; |
1da177e4 LT |
2141 | msg.txBreak = (p_priv->break_on); |
2142 | } | |
2143 | ||
deb91685 | 2144 | /* Do handshaking outputs */ |
1da177e4 LT |
2145 | msg.setRts = 0x01; |
2146 | msg.rts = p_priv->rts_state; | |
2147 | ||
2148 | msg.setDtr = 0x01; | |
2149 | msg.dtr = p_priv->dtr_state; | |
deb91685 | 2150 | |
1da177e4 | 2151 | p_priv->resend_cont = 0; |
deb91685 AC |
2152 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); |
2153 | ||
1da177e4 LT |
2154 | /* send the data out the device on control endpoint */ |
2155 | this_urb->transfer_buffer_length = sizeof(msg); | |
2156 | ||
deb91685 AC |
2157 | err = usb_submit_urb(this_urb, GFP_ATOMIC); |
2158 | if (err != 0) | |
049c6b4e | 2159 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2160 | return 0; |
1da177e4 LT |
2161 | } |
2162 | ||
0ca1268e LM |
2163 | static int keyspan_usa67_send_setup(struct usb_serial *serial, |
2164 | struct usb_serial_port *port, | |
2165 | int reset_port) | |
2166 | { | |
2167 | struct keyspan_usa67_portControlMessage msg; | |
2168 | struct keyspan_serial_private *s_priv; | |
2169 | struct keyspan_port_private *p_priv; | |
2170 | const struct keyspan_device_details *d_details; | |
2171 | struct urb *this_urb; | |
2172 | int err, device_port; | |
2173 | ||
0ca1268e LM |
2174 | s_priv = usb_get_serial_data(serial); |
2175 | p_priv = usb_get_serial_port_data(port); | |
2176 | d_details = s_priv->device_details; | |
2177 | ||
2178 | this_urb = s_priv->glocont_urb; | |
2179 | ||
2180 | /* Work out which port within the device is being setup */ | |
2181 | device_port = port->number - port->serial->minor; | |
2182 | ||
2183 | /* Make sure we have an urb then send the message */ | |
2184 | if (this_urb == NULL) { | |
049c6b4e | 2185 | dev_dbg(&port->dev, "%s - oops no urb for port %d.\n", __func__, |
0ca1268e LM |
2186 | port->number); |
2187 | return -1; | |
2188 | } | |
2189 | ||
2190 | /* Save reset port val for resend. | |
2191 | Don't overwrite resend for open/close condition. */ | |
2192 | if ((reset_port + 1) > p_priv->resend_cont) | |
2193 | p_priv->resend_cont = reset_port + 1; | |
2194 | if (this_urb->status == -EINPROGRESS) { | |
049c6b4e | 2195 | /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ |
0ca1268e | 2196 | mdelay(5); |
deb91685 | 2197 | return -1; |
0ca1268e LM |
2198 | } |
2199 | ||
2200 | memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); | |
2201 | ||
2202 | msg.port = device_port; | |
2203 | ||
2204 | /* Only set baud rate if it's changed */ | |
2205 | if (p_priv->old_baud != p_priv->baud) { | |
2206 | p_priv->old_baud = p_priv->baud; | |
2207 | msg.setClocking = 0xff; | |
049c6b4e GKH |
2208 | if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, |
2209 | &msg.baudHi, &msg.baudLo, &msg.prescaler, | |
2210 | device_port) == KEYSPAN_INVALID_BAUD_RATE) { | |
2211 | dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", | |
2212 | __func__, p_priv->baud); | |
0ca1268e LM |
2213 | msg.baudLo = 0; |
2214 | msg.baudHi = 125; /* Values for 9600 baud */ | |
2215 | msg.prescaler = 10; | |
2216 | } | |
2217 | msg.setPrescaler = 0xff; | |
2218 | } | |
2219 | ||
2220 | msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; | |
2221 | switch (p_priv->cflag & CSIZE) { | |
2222 | case CS5: | |
2223 | msg.lcr |= USA_DATABITS_5; | |
2224 | break; | |
2225 | case CS6: | |
2226 | msg.lcr |= USA_DATABITS_6; | |
2227 | break; | |
2228 | case CS7: | |
2229 | msg.lcr |= USA_DATABITS_7; | |
2230 | break; | |
2231 | case CS8: | |
2232 | msg.lcr |= USA_DATABITS_8; | |
2233 | break; | |
2234 | } | |
2235 | if (p_priv->cflag & PARENB) { | |
2236 | /* note USA_PARITY_NONE == 0 */ | |
2b982ab1 | 2237 | msg.lcr |= (p_priv->cflag & PARODD) ? |
deb91685 | 2238 | USA_PARITY_ODD : USA_PARITY_EVEN; |
0ca1268e LM |
2239 | } |
2240 | msg.setLcr = 0xff; | |
2241 | ||
2242 | msg.ctsFlowControl = (p_priv->flow_control == flow_cts); | |
2243 | msg.xonFlowControl = 0; | |
2244 | msg.setFlowControl = 0xff; | |
2245 | msg.forwardingLength = 16; | |
2246 | msg.xonChar = 17; | |
2247 | msg.xoffChar = 19; | |
2248 | ||
2249 | if (reset_port == 1) { | |
2250 | /* Opening port */ | |
2251 | msg._txOn = 1; | |
2252 | msg._txOff = 0; | |
2253 | msg.txFlush = 0; | |
2254 | msg.txBreak = 0; | |
2255 | msg.rxOn = 1; | |
2256 | msg.rxOff = 0; | |
2257 | msg.rxFlush = 1; | |
2258 | msg.rxForward = 0; | |
2259 | msg.returnStatus = 0; | |
2260 | msg.resetDataToggle = 0xff; | |
2261 | } else if (reset_port == 2) { | |
2262 | /* Closing port */ | |
2263 | msg._txOn = 0; | |
2264 | msg._txOff = 1; | |
2265 | msg.txFlush = 0; | |
2266 | msg.txBreak = 0; | |
2267 | msg.rxOn = 0; | |
2268 | msg.rxOff = 1; | |
2269 | msg.rxFlush = 1; | |
2270 | msg.rxForward = 0; | |
2271 | msg.returnStatus = 0; | |
2272 | msg.resetDataToggle = 0; | |
2273 | } else { | |
2274 | /* Sending intermediate configs */ | |
deb91685 | 2275 | msg._txOn = (!p_priv->break_on); |
0ca1268e LM |
2276 | msg._txOff = 0; |
2277 | msg.txFlush = 0; | |
2278 | msg.txBreak = (p_priv->break_on); | |
2279 | msg.rxOn = 0; | |
2280 | msg.rxOff = 0; | |
2281 | msg.rxFlush = 0; | |
2282 | msg.rxForward = 0; | |
2283 | msg.returnStatus = 0; | |
2284 | msg.resetDataToggle = 0x0; | |
2285 | } | |
2286 | ||
2287 | /* Do handshaking outputs */ | |
2288 | msg.setTxTriState_setRts = 0xff; | |
2289 | msg.txTriState_rts = p_priv->rts_state; | |
2290 | ||
2291 | msg.setHskoa_setDtr = 0xff; | |
2292 | msg.hskoa_dtr = p_priv->dtr_state; | |
2293 | ||
2294 | p_priv->resend_cont = 0; | |
2295 | ||
2296 | memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); | |
2297 | ||
2298 | /* send the data out the device on control endpoint */ | |
2299 | this_urb->transfer_buffer_length = sizeof(msg); | |
0ca1268e LM |
2300 | |
2301 | err = usb_submit_urb(this_urb, GFP_ATOMIC); | |
2302 | if (err != 0) | |
049c6b4e | 2303 | dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); |
a5b6f60c | 2304 | return 0; |
0ca1268e LM |
2305 | } |
2306 | ||
1da177e4 LT |
2307 | static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) |
2308 | { | |
2309 | struct usb_serial *serial = port->serial; | |
2310 | struct keyspan_serial_private *s_priv; | |
2311 | const struct keyspan_device_details *d_details; | |
2312 | ||
1da177e4 LT |
2313 | s_priv = usb_get_serial_data(serial); |
2314 | d_details = s_priv->device_details; | |
2315 | ||
2316 | switch (d_details->msg_format) { | |
2317 | case msg_usa26: | |
2318 | keyspan_usa26_send_setup(serial, port, reset_port); | |
2319 | break; | |
2320 | case msg_usa28: | |
2321 | keyspan_usa28_send_setup(serial, port, reset_port); | |
2322 | break; | |
2323 | case msg_usa49: | |
2324 | keyspan_usa49_send_setup(serial, port, reset_port); | |
2325 | break; | |
2326 | case msg_usa90: | |
2327 | keyspan_usa90_send_setup(serial, port, reset_port); | |
2328 | break; | |
0ca1268e LM |
2329 | case msg_usa67: |
2330 | keyspan_usa67_send_setup(serial, port, reset_port); | |
2331 | break; | |
1da177e4 LT |
2332 | } |
2333 | } | |
2334 | ||
2335 | ||
2336 | /* Gets called by the "real" driver (ie once firmware is loaded | |
2337 | and renumeration has taken place. */ | |
deb91685 | 2338 | static int keyspan_startup(struct usb_serial *serial) |
1da177e4 LT |
2339 | { |
2340 | int i, err; | |
1da177e4 | 2341 | struct keyspan_serial_private *s_priv; |
1da177e4 LT |
2342 | const struct keyspan_device_details *d_details; |
2343 | ||
1da177e4 | 2344 | for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) |
deb91685 AC |
2345 | if (d_details->product_id == |
2346 | le16_to_cpu(serial->dev->descriptor.idProduct)) | |
1da177e4 LT |
2347 | break; |
2348 | if (d_details == NULL) { | |
deb91685 AC |
2349 | dev_err(&serial->dev->dev, "%s - unknown product id %x\n", |
2350 | __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); | |
1da177e4 LT |
2351 | return 1; |
2352 | } | |
2353 | ||
2354 | /* Setup private data for serial driver */ | |
80b6ca48 | 2355 | s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); |
1da177e4 | 2356 | if (!s_priv) { |
049c6b4e | 2357 | dev_dbg(&serial->dev->dev, "%s - kmalloc for keyspan_serial_private failed.\n", __func__); |
1da177e4 LT |
2358 | return -ENOMEM; |
2359 | } | |
1da177e4 LT |
2360 | |
2361 | s_priv->device_details = d_details; | |
2362 | usb_set_serial_data(serial, s_priv); | |
2363 | ||
1da177e4 LT |
2364 | keyspan_setup_urbs(serial); |
2365 | ||
0ca1268e | 2366 | if (s_priv->instat_urb != NULL) { |
0ca1268e LM |
2367 | err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); |
2368 | if (err != 0) | |
7ebcb334 | 2369 | dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); |
0ca1268e LM |
2370 | } |
2371 | if (s_priv->indat_urb != NULL) { | |
0ca1268e LM |
2372 | err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); |
2373 | if (err != 0) | |
7ebcb334 | 2374 | dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); |
1da177e4 | 2375 | } |
deb91685 | 2376 | |
a5b6f60c | 2377 | return 0; |
1da177e4 LT |
2378 | } |
2379 | ||
f9c99bb8 | 2380 | static void keyspan_disconnect(struct usb_serial *serial) |
1da177e4 | 2381 | { |
f79b2d0f | 2382 | struct keyspan_serial_private *s_priv; |
1da177e4 | 2383 | |
1da177e4 LT |
2384 | s_priv = usb_get_serial_data(serial); |
2385 | ||
1da177e4 LT |
2386 | stop_urb(s_priv->instat_urb); |
2387 | stop_urb(s_priv->glocont_urb); | |
0ca1268e | 2388 | stop_urb(s_priv->indat_urb); |
f79b2d0f JH |
2389 | } |
2390 | ||
2391 | static void keyspan_release(struct usb_serial *serial) | |
2392 | { | |
2393 | struct keyspan_serial_private *s_priv; | |
2394 | ||
2395 | s_priv = usb_get_serial_data(serial); | |
1da177e4 | 2396 | |
1cadc137 | 2397 | usb_free_urb(s_priv->instat_urb); |
0ca1268e | 2398 | usb_free_urb(s_priv->indat_urb); |
1cadc137 | 2399 | usb_free_urb(s_priv->glocont_urb); |
f79b2d0f JH |
2400 | |
2401 | kfree(s_priv); | |
f9c99bb8 AS |
2402 | } |
2403 | ||
f79b2d0f | 2404 | static int keyspan_port_probe(struct usb_serial_port *port) |
f9c99bb8 | 2405 | { |
f79b2d0f | 2406 | struct usb_serial *serial = port->serial; |
f0e3e35c | 2407 | struct keyspan_serial_private *s_priv; |
f79b2d0f JH |
2408 | struct keyspan_port_private *p_priv; |
2409 | const struct keyspan_device_details *d_details; | |
2410 | struct callbacks *cback; | |
2411 | int endp; | |
2412 | int port_num; | |
2413 | int i; | |
f9c99bb8 | 2414 | |
f9c99bb8 | 2415 | s_priv = usb_get_serial_data(serial); |
f79b2d0f | 2416 | d_details = s_priv->device_details; |
1da177e4 | 2417 | |
f79b2d0f JH |
2418 | p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); |
2419 | if (!p_priv) | |
2420 | return -ENOMEM; | |
1da177e4 | 2421 | |
f79b2d0f JH |
2422 | p_priv->device_details = d_details; |
2423 | ||
2424 | /* Setup values for the various callback routines */ | |
2425 | cback = &keyspan_callbacks[d_details->msg_format]; | |
2426 | ||
2427 | port_num = port->number - port->serial->minor; | |
2428 | ||
2429 | /* Do indat endpoints first, once for each flip */ | |
2430 | endp = d_details->indat_endpoints[port_num]; | |
2431 | for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { | |
2432 | p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, | |
2433 | USB_DIR_IN, port, | |
2434 | p_priv->in_buffer[i], 64, | |
2435 | cback->indat_callback); | |
2436 | } | |
2437 | /* outdat endpoints also have flip */ | |
2438 | endp = d_details->outdat_endpoints[port_num]; | |
2439 | for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { | |
2440 | p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, | |
2441 | USB_DIR_OUT, port, | |
2442 | p_priv->out_buffer[i], 64, | |
2443 | cback->outdat_callback); | |
2444 | } | |
2445 | /* inack endpoint */ | |
2446 | p_priv->inack_urb = keyspan_setup_urb(serial, | |
2447 | d_details->inack_endpoints[port_num], | |
2448 | USB_DIR_IN, port, | |
2449 | p_priv->inack_buffer, 1, | |
2450 | cback->inack_callback); | |
2451 | /* outcont endpoint */ | |
2452 | p_priv->outcont_urb = keyspan_setup_urb(serial, | |
2453 | d_details->outcont_endpoints[port_num], | |
2454 | USB_DIR_OUT, port, | |
2455 | p_priv->outcont_buffer, 64, | |
2456 | cback->outcont_callback); | |
2457 | ||
2458 | usb_set_serial_port_data(port, p_priv); | |
2459 | ||
2460 | return 0; | |
2461 | } | |
2462 | ||
2463 | static int keyspan_port_remove(struct usb_serial_port *port) | |
2464 | { | |
2465 | struct keyspan_port_private *p_priv; | |
2466 | int i; | |
2467 | ||
2468 | p_priv = usb_get_serial_port_data(port); | |
2469 | ||
2470 | stop_urb(p_priv->inack_urb); | |
2471 | stop_urb(p_priv->outcont_urb); | |
2472 | for (i = 0; i < 2; i++) { | |
2473 | stop_urb(p_priv->in_urbs[i]); | |
2474 | stop_urb(p_priv->out_urbs[i]); | |
2475 | } | |
2476 | ||
2477 | usb_free_urb(p_priv->inack_urb); | |
2478 | usb_free_urb(p_priv->outcont_urb); | |
2479 | for (i = 0; i < 2; i++) { | |
2480 | usb_free_urb(p_priv->in_urbs[i]); | |
2481 | usb_free_urb(p_priv->out_urbs[i]); | |
1da177e4 | 2482 | } |
f79b2d0f JH |
2483 | |
2484 | kfree(p_priv); | |
2485 | ||
2486 | return 0; | |
1da177e4 LT |
2487 | } |
2488 | ||
deb91685 AC |
2489 | MODULE_AUTHOR(DRIVER_AUTHOR); |
2490 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 LT |
2491 | MODULE_LICENSE("GPL"); |
2492 | ||
2971c579 DW |
2493 | MODULE_FIRMWARE("keyspan/usa28.fw"); |
2494 | MODULE_FIRMWARE("keyspan/usa28x.fw"); | |
2495 | MODULE_FIRMWARE("keyspan/usa28xa.fw"); | |
2496 | MODULE_FIRMWARE("keyspan/usa28xb.fw"); | |
2497 | MODULE_FIRMWARE("keyspan/usa19.fw"); | |
2498 | MODULE_FIRMWARE("keyspan/usa19qi.fw"); | |
2499 | MODULE_FIRMWARE("keyspan/mpr.fw"); | |
2500 | MODULE_FIRMWARE("keyspan/usa19qw.fw"); | |
2501 | MODULE_FIRMWARE("keyspan/usa18x.fw"); | |
2502 | MODULE_FIRMWARE("keyspan/usa19w.fw"); | |
2503 | MODULE_FIRMWARE("keyspan/usa49w.fw"); | |
2504 | MODULE_FIRMWARE("keyspan/usa49wlc.fw"); |