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-rw-r--r--drivers/usb/serial/whiteheat.c518
1 files changed, 299 insertions, 219 deletions
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index f07e8a4c1f3d..3a9d14384a43 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -12,29 +12,31 @@
12 * the Free Software Foundation; either version 2 of the License, or 12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version. 13 * (at your option) any later version.
14 * 14 *
15 * See Documentation/usb/usb-serial.txt for more information on using this driver 15 * See Documentation/usb/usb-serial.txt for more information on using this
16 * driver
16 * 17 *
17 * (10/09/2002) Stuart MacDonald (stuartm@connecttech.com) 18 * (10/09/2002) Stuart MacDonald (stuartm@connecttech.com)
18 * Upgrade to full working driver 19 * Upgrade to full working driver
19 * 20 *
20 * (05/30/2001) gkh 21 * (05/30/2001) gkh
21 * switched from using spinlock to a semaphore, which fixes lots of problems. 22 * switched from using spinlock to a semaphore, which fixes lots of
23 * problems.
22 * 24 *
23 * (04/08/2001) gb 25 * (04/08/2001) gb
24 * Identify version on module load. 26 * Identify version on module load.
25 * 27 *
26 * 2001_Mar_19 gkh 28 * 2001_Mar_19 gkh
27 * Fixed MOD_INC and MOD_DEC logic, the ability to open a port more 29 * Fixed MOD_INC and MOD_DEC logic, the ability to open a port more
28 * than once, and the got the proper usb_device_id table entries so 30 * than once, and the got the proper usb_device_id table entries so
29 * the driver works again. 31 * the driver works again.
30 * 32 *
31 * (11/01/2000) Adam J. Richter 33 * (11/01/2000) Adam J. Richter
32 * usb_device_id table support 34 * usb_device_id table support
33 * 35 *
34 * (10/05/2000) gkh 36 * (10/05/2000) gkh
35 * Fixed bug with urb->dev not being set properly, now that the usb 37 * Fixed bug with urb->dev not being set properly, now that the usb
36 * core needs it. 38 * core needs it.
37 * 39 *
38 * (10/03/2000) smd 40 * (10/03/2000) smd
39 * firmware is improved to guard against crap sent to device 41 * firmware is improved to guard against crap sent to device
40 * firmware now replies CMD_FAILURE on bad things 42 * firmware now replies CMD_FAILURE on bad things
@@ -52,9 +54,9 @@
52 * Fixed bug with port->minor that was found by Al Borchers 54 * Fixed bug with port->minor that was found by Al Borchers
53 * 55 *
54 * (07/04/2000) gkh 56 * (07/04/2000) gkh
55 * Added support for port settings. Baud rate can now be changed. Line signals 57 * Added support for port settings. Baud rate can now be changed. Line
56 * are not transferred to and from the tty layer yet, but things seem to be 58 * signals are not transferred to and from the tty layer yet, but things
57 * working well now. 59 * seem to be working well now.
58 * 60 *
59 * (05/04/2000) gkh 61 * (05/04/2000) gkh
60 * First cut at open and close commands. Data can flow through the ports at 62 * First cut at open and close commands. Data can flow through the ports at
@@ -62,7 +64,7 @@
62 * 64 *
63 * (03/26/2000) gkh 65 * (03/26/2000) gkh
64 * Split driver up into device specific pieces. 66 * Split driver up into device specific pieces.
65 * 67 *
66 */ 68 */
67 69
68#include <linux/kernel.h> 70#include <linux/kernel.h>
@@ -75,13 +77,14 @@
75#include <linux/module.h> 77#include <linux/module.h>
76#include <linux/spinlock.h> 78#include <linux/spinlock.h>
77#include <linux/mutex.h> 79#include <linux/mutex.h>
78#include <asm/uaccess.h> 80#include <linux/uaccess.h>
79#include <asm/termbits.h> 81#include <asm/termbits.h>
80#include <linux/usb.h> 82#include <linux/usb.h>
81#include <linux/serial_reg.h> 83#include <linux/serial_reg.h>
82#include <linux/serial.h> 84#include <linux/serial.h>
83#include <linux/usb/serial.h> 85#include <linux/usb/serial.h>
84#include "whiteheat_fw.h" /* firmware for the ConnectTech WhiteHEAT device */ 86#include <linux/firmware.h>
87#include <linux/ihex.h>
85#include "whiteheat.h" /* WhiteHEAT specific commands */ 88#include "whiteheat.h" /* WhiteHEAT specific commands */
86 89
87static int debug; 90static int debug;
@@ -124,7 +127,7 @@ static struct usb_device_id id_table_combined [] = {
124 { } /* Terminating entry */ 127 { } /* Terminating entry */
125}; 128};
126 129
127MODULE_DEVICE_TABLE (usb, id_table_combined); 130MODULE_DEVICE_TABLE(usb, id_table_combined);
128 131
129static struct usb_driver whiteheat_driver = { 132static struct usb_driver whiteheat_driver = {
130 .name = "whiteheat", 133 .name = "whiteheat",
@@ -135,26 +138,34 @@ static struct usb_driver whiteheat_driver = {
135}; 138};
136 139
137/* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */ 140/* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */
138static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id); 141static int whiteheat_firmware_download(struct usb_serial *serial,
139static int whiteheat_firmware_attach (struct usb_serial *serial); 142 const struct usb_device_id *id);
143static int whiteheat_firmware_attach(struct usb_serial *serial);
140 144
141/* function prototypes for the Connect Tech WhiteHEAT serial converter */ 145/* function prototypes for the Connect Tech WhiteHEAT serial converter */
142static int whiteheat_attach (struct usb_serial *serial); 146static int whiteheat_attach(struct usb_serial *serial);
143static void whiteheat_shutdown (struct usb_serial *serial); 147static void whiteheat_shutdown(struct usb_serial *serial);
144static int whiteheat_open (struct usb_serial_port *port, struct file *filp); 148static int whiteheat_open(struct tty_struct *tty,
145static void whiteheat_close (struct usb_serial_port *port, struct file *filp); 149 struct usb_serial_port *port, struct file *filp);
146static int whiteheat_write (struct usb_serial_port *port, const unsigned char *buf, int count); 150static void whiteheat_close(struct tty_struct *tty,
147static int whiteheat_write_room (struct usb_serial_port *port); 151 struct usb_serial_port *port, struct file *filp);
148static int whiteheat_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg); 152static int whiteheat_write(struct tty_struct *tty,
149static void whiteheat_set_termios (struct usb_serial_port *port, struct ktermios * old); 153 struct usb_serial_port *port,
150static int whiteheat_tiocmget (struct usb_serial_port *port, struct file *file); 154 const unsigned char *buf, int count);
151static int whiteheat_tiocmset (struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear); 155static int whiteheat_write_room(struct tty_struct *tty);
152static void whiteheat_break_ctl (struct usb_serial_port *port, int break_state); 156static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
153static int whiteheat_chars_in_buffer (struct usb_serial_port *port); 157 unsigned int cmd, unsigned long arg);
154static void whiteheat_throttle (struct usb_serial_port *port); 158static void whiteheat_set_termios(struct tty_struct *tty,
155static void whiteheat_unthrottle (struct usb_serial_port *port); 159 struct usb_serial_port *port, struct ktermios *old);
156static void whiteheat_read_callback (struct urb *urb); 160static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file);
157static void whiteheat_write_callback (struct urb *urb); 161static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
162 unsigned int set, unsigned int clear);
163static void whiteheat_break_ctl(struct tty_struct *tty, int break_state);
164static int whiteheat_chars_in_buffer(struct tty_struct *tty);
165static void whiteheat_throttle(struct tty_struct *tty);
166static void whiteheat_unthrottle(struct tty_struct *tty);
167static void whiteheat_read_callback(struct urb *urb);
168static void whiteheat_write_callback(struct urb *urb);
158 169
159static struct usb_serial_driver whiteheat_fake_device = { 170static struct usb_serial_driver whiteheat_fake_device = {
160 .driver = { 171 .driver = {
@@ -201,7 +212,9 @@ struct whiteheat_command_private {
201 struct mutex mutex; 212 struct mutex mutex;
202 __u8 port_running; 213 __u8 port_running;
203 __u8 command_finished; 214 __u8 command_finished;
204 wait_queue_head_t wait_command; /* for handling sleeping while waiting for a command to finish */ 215 wait_queue_head_t wait_command; /* for handling sleeping whilst
216 waiting for a command to
217 finish */
205 __u8 result_buffer[64]; 218 __u8 result_buffer[64];
206}; 219};
207 220
@@ -238,14 +251,16 @@ static void command_port_write_callback(struct urb *urb);
238static void command_port_read_callback(struct urb *urb); 251static void command_port_read_callback(struct urb *urb);
239 252
240static int start_port_read(struct usb_serial_port *port); 253static int start_port_read(struct usb_serial_port *port);
241static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb, struct list_head *head); 254static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
255 struct list_head *head);
242static struct list_head *list_first(struct list_head *head); 256static struct list_head *list_first(struct list_head *head);
243static void rx_data_softint(struct work_struct *work); 257static void rx_data_softint(struct work_struct *work);
244 258
245static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize); 259static int firm_send_command(struct usb_serial_port *port, __u8 command,
260 __u8 *data, __u8 datasize);
246static int firm_open(struct usb_serial_port *port); 261static int firm_open(struct usb_serial_port *port);
247static int firm_close(struct usb_serial_port *port); 262static int firm_close(struct usb_serial_port *port);
248static int firm_setup_port(struct usb_serial_port *port); 263static int firm_setup_port(struct tty_struct *tty);
249static int firm_set_rts(struct usb_serial_port *port, __u8 onoff); 264static int firm_set_rts(struct usb_serial_port *port, __u8 onoff);
250static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff); 265static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff);
251static int firm_set_break(struct usb_serial_port *port, __u8 onoff); 266static int firm_set_break(struct usb_serial_port *port, __u8 onoff);
@@ -277,65 +292,85 @@ static int firm_report_tx_done(struct usb_serial_port *port);
277 - device renumerated itself and comes up as new device id with all 292 - device renumerated itself and comes up as new device id with all
278 firmware download completed. 293 firmware download completed.
279*/ 294*/
280static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id) 295static int whiteheat_firmware_download(struct usb_serial *serial,
296 const struct usb_device_id *id)
281{ 297{
282 int response; 298 int response, ret = -ENOENT;
283 const struct whiteheat_hex_record *record; 299 const struct firmware *loader_fw = NULL, *firmware_fw = NULL;
284 300 const struct ihex_binrec *record;
301
285 dbg("%s", __func__); 302 dbg("%s", __func__);
286 303
304 if (request_ihex_firmware(&firmware_fw, "whiteheat.fw",
305 &serial->dev->dev)) {
306 err("%s - request \"whiteheat.fw\" failed", __func__);
307 goto out;
308 }
309 if (request_ihex_firmware(&loader_fw, "whiteheat_loader.fw",
310 &serial->dev->dev)) {
311 err("%s - request \"whiteheat_loader.fw\" failed", __func__);
312 goto out;
313 }
314 ret = 0;
287 response = ezusb_set_reset (serial, 1); 315 response = ezusb_set_reset (serial, 1);
288 316
289 record = &whiteheat_loader[0]; 317 record = (const struct ihex_binrec *)loader_fw->data;
290 while (record->address != 0xffff) { 318 while (record) {
291 response = ezusb_writememory (serial, record->address, 319 response = ezusb_writememory (serial, be32_to_cpu(record->addr),
292 (unsigned char *)record->data, record->data_size, 0xa0); 320 (unsigned char *)record->data,
321 be16_to_cpu(record->len), 0xa0);
293 if (response < 0) { 322 if (response < 0) {
294 err("%s - ezusb_writememory failed for loader (%d %04X %p %d)", 323 err("%s - ezusb_writememory failed for loader (%d %04X %p %d)",
295 __func__, response, record->address, record->data, record->data_size); 324 __func__, response, be32_to_cpu(record->addr),
325 record->data, be16_to_cpu(record->len));
296 break; 326 break;
297 } 327 }
298 ++record; 328 record = ihex_next_binrec(record);
299 } 329 }
300 330
301 response = ezusb_set_reset (serial, 0); 331 response = ezusb_set_reset(serial, 0);
302 332
303 record = &whiteheat_firmware[0]; 333 record = (const struct ihex_binrec *)firmware_fw->data;
304 while (record->address < 0x1b40) { 334 while (record && be32_to_cpu(record->addr) < 0x1b40)
305 ++record; 335 record = ihex_next_binrec(record);
306 } 336 while (record) {
307 while (record->address != 0xffff) { 337 response = ezusb_writememory (serial, be32_to_cpu(record->addr),
308 response = ezusb_writememory (serial, record->address, 338 (unsigned char *)record->data,
309 (unsigned char *)record->data, record->data_size, 0xa3); 339 be16_to_cpu(record->len), 0xa3);
310 if (response < 0) { 340 if (response < 0) {
311 err("%s - ezusb_writememory failed for first firmware step (%d %04X %p %d)", 341 err("%s - ezusb_writememory failed for first firmware step (%d %04X %p %d)",
312 __func__, response, record->address, record->data, record->data_size); 342 __func__, response, be32_to_cpu(record->addr),
343 record->data, be16_to_cpu(record->len));
313 break; 344 break;
314 } 345 }
315 ++record; 346 ++record;
316 } 347 }
317
318 response = ezusb_set_reset (serial, 1);
319 348
320 record = &whiteheat_firmware[0]; 349 response = ezusb_set_reset(serial, 1);
321 while (record->address < 0x1b40) { 350
322 response = ezusb_writememory (serial, record->address, 351 record = (const struct ihex_binrec *)firmware_fw->data;
323 (unsigned char *)record->data, record->data_size, 0xa0); 352 while (record && be32_to_cpu(record->addr) < 0x1b40) {
353 response = ezusb_writememory (serial, be32_to_cpu(record->addr),
354 (unsigned char *)record->data,
355 be16_to_cpu(record->len), 0xa0);
324 if (response < 0) { 356 if (response < 0) {
325 err("%s - ezusb_writememory failed for second firmware step (%d %04X %p %d)", 357 err("%s - ezusb_writememory failed for second firmware step (%d %04X %p %d)",
326 __func__, response, record->address, record->data, record->data_size); 358 __func__, response, be32_to_cpu(record->addr),
359 record->data, be16_to_cpu(record->len));
327 break; 360 break;
328 } 361 }
329 ++record; 362 ++record;
330 } 363 }
331 364 ret = 0;
332 response = ezusb_set_reset (serial, 0); 365 response = ezusb_set_reset (serial, 0);
333 366 out:
334 return 0; 367 release_firmware(loader_fw);
368 release_firmware(firmware_fw);
369 return ret;
335} 370}
336 371
337 372
338static int whiteheat_firmware_attach (struct usb_serial *serial) 373static int whiteheat_firmware_attach(struct usb_serial *serial)
339{ 374{
340 /* We want this device to fail to have a driver assigned to it */ 375 /* We want this device to fail to have a driver assigned to it */
341 return 1; 376 return 1;
@@ -345,7 +380,7 @@ static int whiteheat_firmware_attach (struct usb_serial *serial)
345/***************************************************************************** 380/*****************************************************************************
346 * Connect Tech's White Heat serial driver functions 381 * Connect Tech's White Heat serial driver functions
347 *****************************************************************************/ 382 *****************************************************************************/
348static int whiteheat_attach (struct usb_serial *serial) 383static int whiteheat_attach(struct usb_serial *serial)
349{ 384{
350 struct usb_serial_port *command_port; 385 struct usb_serial_port *command_port;
351 struct whiteheat_command_private *command_info; 386 struct whiteheat_command_private *command_info;
@@ -366,43 +401,52 @@ static int whiteheat_attach (struct usb_serial *serial)
366 401
367 command_port = serial->port[COMMAND_PORT]; 402 command_port = serial->port[COMMAND_PORT];
368 403
369 pipe = usb_sndbulkpipe (serial->dev, command_port->bulk_out_endpointAddress); 404 pipe = usb_sndbulkpipe(serial->dev,
405 command_port->bulk_out_endpointAddress);
370 command = kmalloc(2, GFP_KERNEL); 406 command = kmalloc(2, GFP_KERNEL);
371 if (!command) 407 if (!command)
372 goto no_command_buffer; 408 goto no_command_buffer;
373 command[0] = WHITEHEAT_GET_HW_INFO; 409 command[0] = WHITEHEAT_GET_HW_INFO;
374 command[1] = 0; 410 command[1] = 0;
375 411
376 result = kmalloc(sizeof(*hw_info) + 1, GFP_KERNEL); 412 result = kmalloc(sizeof(*hw_info) + 1, GFP_KERNEL);
377 if (!result) 413 if (!result)
378 goto no_result_buffer; 414 goto no_result_buffer;
379 /* 415 /*
380 * When the module is reloaded the firmware is still there and 416 * When the module is reloaded the firmware is still there and
381 * the endpoints are still in the usb core unchanged. This is the 417 * the endpoints are still in the usb core unchanged. This is the
382 * unlinking bug in disguise. Same for the call below. 418 * unlinking bug in disguise. Same for the call below.
383 */ 419 */
384 usb_clear_halt(serial->dev, pipe); 420 usb_clear_halt(serial->dev, pipe);
385 ret = usb_bulk_msg (serial->dev, pipe, command, 2, &alen, COMMAND_TIMEOUT_MS); 421 ret = usb_bulk_msg(serial->dev, pipe, command, 2,
422 &alen, COMMAND_TIMEOUT_MS);
386 if (ret) { 423 if (ret) {
387 err("%s: Couldn't send command [%d]", serial->type->description, ret); 424 err("%s: Couldn't send command [%d]",
425 serial->type->description, ret);
388 goto no_firmware; 426 goto no_firmware;
389 } else if (alen != 2) { 427 } else if (alen != 2) {
390 err("%s: Send command incomplete [%d]", serial->type->description, alen); 428 err("%s: Send command incomplete [%d]",
429 serial->type->description, alen);
391 goto no_firmware; 430 goto no_firmware;
392 } 431 }
393 432
394 pipe = usb_rcvbulkpipe (serial->dev, command_port->bulk_in_endpointAddress); 433 pipe = usb_rcvbulkpipe(serial->dev,
434 command_port->bulk_in_endpointAddress);
395 /* See the comment on the usb_clear_halt() above */ 435 /* See the comment on the usb_clear_halt() above */
396 usb_clear_halt(serial->dev, pipe); 436 usb_clear_halt(serial->dev, pipe);
397 ret = usb_bulk_msg (serial->dev, pipe, result, sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS); 437 ret = usb_bulk_msg(serial->dev, pipe, result,
438 sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
398 if (ret) { 439 if (ret) {
399 err("%s: Couldn't get results [%d]", serial->type->description, ret); 440 err("%s: Couldn't get results [%d]",
441 serial->type->description, ret);
400 goto no_firmware; 442 goto no_firmware;
401 } else if (alen != sizeof(*hw_info) + 1) { 443 } else if (alen != sizeof(*hw_info) + 1) {
402 err("%s: Get results incomplete [%d]", serial->type->description, alen); 444 err("%s: Get results incomplete [%d]",
445 serial->type->description, alen);
403 goto no_firmware; 446 goto no_firmware;
404 } else if (result[0] != command[0]) { 447 } else if (result[0] != command[0]) {
405 err("%s: Command failed [%d]", serial->type->description, result[0]); 448 err("%s: Command failed [%d]",
449 serial->type->description, result[0]);
406 goto no_firmware; 450 goto no_firmware;
407 } 451 }
408 452
@@ -416,7 +460,8 @@ static int whiteheat_attach (struct usb_serial *serial)
416 460
417 info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL); 461 info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
418 if (info == NULL) { 462 if (info == NULL) {
419 err("%s: Out of memory for port structures\n", serial->type->description); 463 err("%s: Out of memory for port structures\n",
464 serial->type->description);
420 goto no_private; 465 goto no_private;
421 } 466 }
422 467
@@ -486,9 +531,11 @@ static int whiteheat_attach (struct usb_serial *serial)
486 usb_set_serial_port_data(port, info); 531 usb_set_serial_port_data(port, info);
487 } 532 }
488 533
489 command_info = kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL); 534 command_info = kmalloc(sizeof(struct whiteheat_command_private),
535 GFP_KERNEL);
490 if (command_info == NULL) { 536 if (command_info == NULL) {
491 err("%s: Out of memory for port structures\n", serial->type->description); 537 err("%s: Out of memory for port structures\n",
538 serial->type->description);
492 goto no_command_private; 539 goto no_command_private;
493 } 540 }
494 541
@@ -505,9 +552,12 @@ static int whiteheat_attach (struct usb_serial *serial)
505 552
506no_firmware: 553no_firmware:
507 /* Firmware likely not running */ 554 /* Firmware likely not running */
508 err("%s: Unable to retrieve firmware version, try replugging\n", serial->type->description); 555 err("%s: Unable to retrieve firmware version, try replugging\n",
509 err("%s: If the firmware is not running (status led not blinking)\n", serial->type->description); 556 serial->type->description);
510 err("%s: please contact support@connecttech.com\n", serial->type->description); 557 err("%s: If the firmware is not running (status led not blinking)\n",
558 serial->type->description);
559 err("%s: please contact support@connecttech.com\n",
560 serial->type->description);
511 kfree(result); 561 kfree(result);
512 return -ENODEV; 562 return -ENODEV;
513 563
@@ -550,7 +600,7 @@ no_command_buffer:
550} 600}
551 601
552 602
553static void whiteheat_shutdown (struct usb_serial *serial) 603static void whiteheat_shutdown(struct usb_serial *serial)
554{ 604{
555 struct usb_serial_port *command_port; 605 struct usb_serial_port *command_port;
556 struct usb_serial_port *port; 606 struct usb_serial_port *port;
@@ -565,7 +615,7 @@ static void whiteheat_shutdown (struct usb_serial *serial)
565 615
566 /* free up our private data for our command port */ 616 /* free up our private data for our command port */
567 command_port = serial->port[COMMAND_PORT]; 617 command_port = serial->port[COMMAND_PORT];
568 kfree (usb_get_serial_port_data(command_port)); 618 kfree(usb_get_serial_port_data(command_port));
569 619
570 for (i = 0; i < serial->num_ports; i++) { 620 for (i = 0; i < serial->num_ports; i++) {
571 port = serial->port[i]; 621 port = serial->port[i];
@@ -592,11 +642,10 @@ static void whiteheat_shutdown (struct usb_serial *serial)
592 return; 642 return;
593} 643}
594 644
595 645static int whiteheat_open(struct tty_struct *tty,
596static int whiteheat_open (struct usb_serial_port *port, struct file *filp) 646 struct usb_serial_port *port, struct file *filp)
597{ 647{
598 int retval = 0; 648 int retval = 0;
599 struct ktermios old_term;
600 649
601 dbg("%s - port %d", __func__, port->number); 650 dbg("%s - port %d", __func__, port->number);
602 651
@@ -604,7 +653,8 @@ static int whiteheat_open (struct usb_serial_port *port, struct file *filp)
604 if (retval) 653 if (retval)
605 goto exit; 654 goto exit;
606 655
607 port->tty->low_latency = 1; 656 if (tty)
657 tty->low_latency = 1;
608 658
609 /* send an open port command */ 659 /* send an open port command */
610 retval = firm_open(port); 660 retval = firm_open(port);
@@ -620,9 +670,8 @@ static int whiteheat_open (struct usb_serial_port *port, struct file *filp)
620 goto exit; 670 goto exit;
621 } 671 }
622 672
623 old_term.c_cflag = ~port->tty->termios->c_cflag; 673 if (tty)
624 old_term.c_iflag = ~port->tty->termios->c_iflag; 674 firm_setup_port(tty);
625 whiteheat_set_termios(port, &old_term);
626 675
627 /* Work around HCD bugs */ 676 /* Work around HCD bugs */
628 usb_clear_halt(port->serial->dev, port->read_urb->pipe); 677 usb_clear_halt(port->serial->dev, port->read_urb->pipe);
@@ -631,7 +680,8 @@ static int whiteheat_open (struct usb_serial_port *port, struct file *filp)
631 /* Start reading from the device */ 680 /* Start reading from the device */
632 retval = start_port_read(port); 681 retval = start_port_read(port);
633 if (retval) { 682 if (retval) {
634 err("%s - failed submitting read urb, error %d", __func__, retval); 683 err("%s - failed submitting read urb, error %d",
684 __func__, retval);
635 firm_close(port); 685 firm_close(port);
636 stop_command_port(port->serial); 686 stop_command_port(port->serial);
637 goto exit; 687 goto exit;
@@ -643,7 +693,8 @@ exit:
643} 693}
644 694
645 695
646static void whiteheat_close(struct usb_serial_port *port, struct file * filp) 696static void whiteheat_close(struct tty_struct *tty,
697 struct usb_serial_port *port, struct file *filp)
647{ 698{
648 struct whiteheat_private *info = usb_get_serial_port_data(port); 699 struct whiteheat_private *info = usb_get_serial_port_data(port);
649 struct whiteheat_urb_wrap *wrap; 700 struct whiteheat_urb_wrap *wrap;
@@ -661,7 +712,7 @@ static void whiteheat_close(struct usb_serial_port *port, struct file * filp)
661 } 712 }
662 mutex_unlock(&port->serial->disc_mutex); 713 mutex_unlock(&port->serial->disc_mutex);
663 714
664 port->tty->closing = 1; 715 tty->closing = 1;
665 716
666/* 717/*
667 * Not currently in use; tty_wait_until_sent() calls 718 * Not currently in use; tty_wait_until_sent() calls
@@ -669,12 +720,12 @@ static void whiteheat_close(struct usb_serial_port *port, struct file * filp)
669 * acquisition. This should be fixed at some point. Greg's been 720 * acquisition. This should be fixed at some point. Greg's been
670 * notified. 721 * notified.
671 if ((filp->f_flags & (O_NDELAY | O_NONBLOCK)) == 0) { 722 if ((filp->f_flags & (O_NDELAY | O_NONBLOCK)) == 0) {
672 tty_wait_until_sent(port->tty, CLOSING_DELAY); 723 tty_wait_until_sent(tty, CLOSING_DELAY);
673 } 724 }
674*/ 725*/
675 726
676 tty_driver_flush_buffer(port->tty); 727 tty_driver_flush_buffer(tty);
677 tty_ldisc_flush(port->tty); 728 tty_ldisc_flush(tty);
678 729
679 firm_report_tx_done(port); 730 firm_report_tx_done(port);
680 731
@@ -708,11 +759,12 @@ static void whiteheat_close(struct usb_serial_port *port, struct file * filp)
708 759
709 stop_command_port(port->serial); 760 stop_command_port(port->serial);
710 761
711 port->tty->closing = 0; 762 tty->closing = 0;
712} 763}
713 764
714 765
715static int whiteheat_write(struct usb_serial_port *port, const unsigned char *buf, int count) 766static int whiteheat_write(struct tty_struct *tty,
767 struct usb_serial_port *port, const unsigned char *buf, int count)
716{ 768{
717 struct usb_serial *serial = port->serial; 769 struct usb_serial *serial = port->serial;
718 struct whiteheat_private *info = usb_get_serial_port_data(port); 770 struct whiteheat_private *info = usb_get_serial_port_data(port);
@@ -743,16 +795,19 @@ static int whiteheat_write(struct usb_serial_port *port, const unsigned char *bu
743 795
744 wrap = list_entry(tmp, struct whiteheat_urb_wrap, list); 796 wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
745 urb = wrap->urb; 797 urb = wrap->urb;
746 bytes = (count > port->bulk_out_size) ? port->bulk_out_size : count; 798 bytes = (count > port->bulk_out_size) ?
747 memcpy (urb->transfer_buffer, buf + sent, bytes); 799 port->bulk_out_size : count;
800 memcpy(urb->transfer_buffer, buf + sent, bytes);
748 801
749 usb_serial_debug_data(debug, &port->dev, __func__, bytes, urb->transfer_buffer); 802 usb_serial_debug_data(debug, &port->dev,
803 __func__, bytes, urb->transfer_buffer);
750 804
751 urb->dev = serial->dev; 805 urb->dev = serial->dev;
752 urb->transfer_buffer_length = bytes; 806 urb->transfer_buffer_length = bytes;
753 result = usb_submit_urb(urb, GFP_ATOMIC); 807 result = usb_submit_urb(urb, GFP_ATOMIC);
754 if (result) { 808 if (result) {
755 err("%s - failed submitting write urb, error %d", __func__, result); 809 err("%s - failed submitting write urb, error %d",
810 __func__, result);
756 sent = result; 811 sent = result;
757 spin_lock_irqsave(&info->lock, flags); 812 spin_lock_irqsave(&info->lock, flags);
758 list_add(tmp, &info->tx_urbs_free); 813 list_add(tmp, &info->tx_urbs_free);
@@ -770,16 +825,16 @@ static int whiteheat_write(struct usb_serial_port *port, const unsigned char *bu
770 return sent; 825 return sent;
771} 826}
772 827
773 828static int whiteheat_write_room(struct tty_struct *tty)
774static int whiteheat_write_room(struct usb_serial_port *port)
775{ 829{
830 struct usb_serial_port *port = tty->driver_data;
776 struct whiteheat_private *info = usb_get_serial_port_data(port); 831 struct whiteheat_private *info = usb_get_serial_port_data(port);
777 struct list_head *tmp; 832 struct list_head *tmp;
778 int room = 0; 833 int room = 0;
779 unsigned long flags; 834 unsigned long flags;
780 835
781 dbg("%s - port %d", __func__, port->number); 836 dbg("%s - port %d", __func__, port->number);
782 837
783 spin_lock_irqsave(&info->lock, flags); 838 spin_lock_irqsave(&info->lock, flags);
784 list_for_each(tmp, &info->tx_urbs_free) 839 list_for_each(tmp, &info->tx_urbs_free)
785 room++; 840 room++;
@@ -790,9 +845,9 @@ static int whiteheat_write_room(struct usb_serial_port *port)
790 return (room); 845 return (room);
791} 846}
792 847
793 848static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file)
794static int whiteheat_tiocmget (struct usb_serial_port *port, struct file *file)
795{ 849{
850 struct usb_serial_port *port = tty->driver_data;
796 struct whiteheat_private *info = usb_get_serial_port_data(port); 851 struct whiteheat_private *info = usb_get_serial_port_data(port);
797 unsigned int modem_signals = 0; 852 unsigned int modem_signals = 0;
798 853
@@ -807,10 +862,10 @@ static int whiteheat_tiocmget (struct usb_serial_port *port, struct file *file)
807 return modem_signals; 862 return modem_signals;
808} 863}
809 864
810 865static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
811static int whiteheat_tiocmset (struct usb_serial_port *port, struct file *file,
812 unsigned int set, unsigned int clear) 866 unsigned int set, unsigned int clear)
813{ 867{
868 struct usb_serial_port *port = tty->driver_data;
814 struct whiteheat_private *info = usb_get_serial_port_data(port); 869 struct whiteheat_private *info = usb_get_serial_port_data(port);
815 870
816 dbg("%s - port %d", __func__, port->number); 871 dbg("%s - port %d", __func__, port->number);
@@ -831,65 +886,55 @@ static int whiteheat_tiocmset (struct usb_serial_port *port, struct file *file,
831} 886}
832 887
833 888
834static int whiteheat_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) 889static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
890 unsigned int cmd, unsigned long arg)
835{ 891{
892 struct usb_serial_port *port = tty->driver_data;
836 struct serial_struct serstruct; 893 struct serial_struct serstruct;
837 void __user *user_arg = (void __user *)arg; 894 void __user *user_arg = (void __user *)arg;
838 895
839 dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd); 896 dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd);
840 897
841 switch (cmd) { 898 switch (cmd) {
842 case TIOCGSERIAL: 899 case TIOCGSERIAL:
843 memset(&serstruct, 0, sizeof(serstruct)); 900 memset(&serstruct, 0, sizeof(serstruct));
844 serstruct.type = PORT_16654; 901 serstruct.type = PORT_16654;
845 serstruct.line = port->serial->minor; 902 serstruct.line = port->serial->minor;
846 serstruct.port = port->number; 903 serstruct.port = port->number;
847 serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; 904 serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
848 serstruct.xmit_fifo_size = port->bulk_out_size; 905 serstruct.xmit_fifo_size = port->bulk_out_size;
849 serstruct.custom_divisor = 0; 906 serstruct.custom_divisor = 0;
850 serstruct.baud_base = 460800; 907 serstruct.baud_base = 460800;
851 serstruct.close_delay = CLOSING_DELAY; 908 serstruct.close_delay = CLOSING_DELAY;
852 serstruct.closing_wait = CLOSING_DELAY; 909 serstruct.closing_wait = CLOSING_DELAY;
853 910
854 if (copy_to_user(user_arg, &serstruct, sizeof(serstruct))) 911 if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
855 return -EFAULT; 912 return -EFAULT;
856 913 break;
857 break; 914 default:
858 915 break;
859 case TIOCSSERIAL:
860 if (copy_from_user(&serstruct, user_arg, sizeof(serstruct)))
861 return -EFAULT;
862
863 /*
864 * For now this is ignored. dip sets the ASYNC_[V]HI flags
865 * but this isn't used by us at all. Maybe someone somewhere
866 * will need the custom_divisor setting.
867 */
868
869 break;
870
871 default:
872 break;
873 } 916 }
874 917
875 return -ENOIOCTLCMD; 918 return -ENOIOCTLCMD;
876} 919}
877 920
878 921
879static void whiteheat_set_termios(struct usb_serial_port *port, struct ktermios *old_termios) 922static void whiteheat_set_termios(struct tty_struct *tty,
923 struct usb_serial_port *port, struct ktermios *old_termios)
880{ 924{
881 dbg("%s -port %d", __func__, port->number); 925 firm_setup_port(tty);
882 firm_setup_port(port);
883} 926}
884 927
885 928static void whiteheat_break_ctl(struct tty_struct *tty, int break_state)
886static void whiteheat_break_ctl(struct usb_serial_port *port, int break_state) { 929{
930 struct usb_serial_port *port = tty->driver_data;
887 firm_set_break(port, break_state); 931 firm_set_break(port, break_state);
888} 932}
889 933
890 934
891static int whiteheat_chars_in_buffer(struct usb_serial_port *port) 935static int whiteheat_chars_in_buffer(struct tty_struct *tty)
892{ 936{
937 struct usb_serial_port *port = tty->driver_data;
893 struct whiteheat_private *info = usb_get_serial_port_data(port); 938 struct whiteheat_private *info = usb_get_serial_port_data(port);
894 struct list_head *tmp; 939 struct list_head *tmp;
895 struct whiteheat_urb_wrap *wrap; 940 struct whiteheat_urb_wrap *wrap;
@@ -905,13 +950,14 @@ static int whiteheat_chars_in_buffer(struct usb_serial_port *port)
905 } 950 }
906 spin_unlock_irqrestore(&info->lock, flags); 951 spin_unlock_irqrestore(&info->lock, flags);
907 952
908 dbg ("%s - returns %d", __func__, chars); 953 dbg("%s - returns %d", __func__, chars);
909 return chars; 954 return chars;
910} 955}
911 956
912 957
913static void whiteheat_throttle (struct usb_serial_port *port) 958static void whiteheat_throttle(struct tty_struct *tty)
914{ 959{
960 struct usb_serial_port *port = tty->driver_data;
915 struct whiteheat_private *info = usb_get_serial_port_data(port); 961 struct whiteheat_private *info = usb_get_serial_port_data(port);
916 unsigned long flags; 962 unsigned long flags;
917 963
@@ -925,8 +971,9 @@ static void whiteheat_throttle (struct usb_serial_port *port)
925} 971}
926 972
927 973
928static void whiteheat_unthrottle (struct usb_serial_port *port) 974static void whiteheat_unthrottle(struct tty_struct *tty)
929{ 975{
976 struct usb_serial_port *port = tty->driver_data;
930 struct whiteheat_private *info = usb_get_serial_port_data(port); 977 struct whiteheat_private *info = usb_get_serial_port_data(port);
931 int actually_throttled; 978 int actually_throttled;
932 unsigned long flags; 979 unsigned long flags;
@@ -973,7 +1020,7 @@ static void command_port_read_callback(struct urb *urb)
973 1020
974 command_info = usb_get_serial_port_data(command_port); 1021 command_info = usb_get_serial_port_data(command_port);
975 if (!command_info) { 1022 if (!command_info) {
976 dbg ("%s - command_info is NULL, exiting.", __func__); 1023 dbg("%s - command_info is NULL, exiting.", __func__);
977 return; 1024 return;
978 } 1025 }
979 if (status) { 1026 if (status) {
@@ -984,7 +1031,8 @@ static void command_port_read_callback(struct urb *urb)
984 return; 1031 return;
985 } 1032 }
986 1033
987 usb_serial_debug_data(debug, &command_port->dev, __func__, urb->actual_length, data); 1034 usb_serial_debug_data(debug, &command_port->dev,
1035 __func__, urb->actual_length, data);
988 1036
989 if (data[0] == WHITEHEAT_CMD_COMPLETE) { 1037 if (data[0] == WHITEHEAT_CMD_COMPLETE) {
990 command_info->command_finished = WHITEHEAT_CMD_COMPLETE; 1038 command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
@@ -993,21 +1041,23 @@ static void command_port_read_callback(struct urb *urb)
993 command_info->command_finished = WHITEHEAT_CMD_FAILURE; 1041 command_info->command_finished = WHITEHEAT_CMD_FAILURE;
994 wake_up(&command_info->wait_command); 1042 wake_up(&command_info->wait_command);
995 } else if (data[0] == WHITEHEAT_EVENT) { 1043 } else if (data[0] == WHITEHEAT_EVENT) {
996 /* These are unsolicited reports from the firmware, hence no waiting command to wakeup */ 1044 /* These are unsolicited reports from the firmware, hence no
1045 waiting command to wakeup */
997 dbg("%s - event received", __func__); 1046 dbg("%s - event received", __func__);
998 } else if (data[0] == WHITEHEAT_GET_DTR_RTS) { 1047 } else if (data[0] == WHITEHEAT_GET_DTR_RTS) {
999 memcpy(command_info->result_buffer, &data[1], urb->actual_length - 1); 1048 memcpy(command_info->result_buffer, &data[1],
1049 urb->actual_length - 1);
1000 command_info->command_finished = WHITEHEAT_CMD_COMPLETE; 1050 command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
1001 wake_up(&command_info->wait_command); 1051 wake_up(&command_info->wait_command);
1002 } else { 1052 } else
1003 dbg("%s - bad reply from firmware", __func__); 1053 dbg("%s - bad reply from firmware", __func__);
1004 } 1054
1005
1006 /* Continue trying to always read */ 1055 /* Continue trying to always read */
1007 command_port->read_urb->dev = command_port->serial->dev; 1056 command_port->read_urb->dev = command_port->serial->dev;
1008 result = usb_submit_urb(command_port->read_urb, GFP_ATOMIC); 1057 result = usb_submit_urb(command_port->read_urb, GFP_ATOMIC);
1009 if (result) 1058 if (result)
1010 dbg("%s - failed resubmitting read urb, error %d", __func__, result); 1059 dbg("%s - failed resubmitting read urb, error %d",
1060 __func__, result);
1011} 1061}
1012 1062
1013 1063
@@ -1040,7 +1090,8 @@ static void whiteheat_read_callback(struct urb *urb)
1040 return; 1090 return;
1041 } 1091 }
1042 1092
1043 usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); 1093 usb_serial_debug_data(debug, &port->dev,
1094 __func__, urb->actual_length, data);
1044 1095
1045 spin_lock(&info->lock); 1096 spin_lock(&info->lock);
1046 list_add_tail(&wrap->list, &info->rx_urb_q); 1097 list_add_tail(&wrap->list, &info->rx_urb_q);
@@ -1087,7 +1138,8 @@ static void whiteheat_write_callback(struct urb *urb)
1087/***************************************************************************** 1138/*****************************************************************************
1088 * Connect Tech's White Heat firmware interface 1139 * Connect Tech's White Heat firmware interface
1089 *****************************************************************************/ 1140 *****************************************************************************/
1090static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize) 1141static int firm_send_command(struct usb_serial_port *port, __u8 command,
1142 __u8 *data, __u8 datasize)
1091{ 1143{
1092 struct usb_serial_port *command_port; 1144 struct usb_serial_port *command_port;
1093 struct whiteheat_command_private *command_info; 1145 struct whiteheat_command_private *command_info;
@@ -1102,13 +1154,13 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
1102 command_info = usb_get_serial_port_data(command_port); 1154 command_info = usb_get_serial_port_data(command_port);
1103 mutex_lock(&command_info->mutex); 1155 mutex_lock(&command_info->mutex);
1104 command_info->command_finished = false; 1156 command_info->command_finished = false;
1105 1157
1106 transfer_buffer = (__u8 *)command_port->write_urb->transfer_buffer; 1158 transfer_buffer = (__u8 *)command_port->write_urb->transfer_buffer;
1107 transfer_buffer[0] = command; 1159 transfer_buffer[0] = command;
1108 memcpy (&transfer_buffer[1], data, datasize); 1160 memcpy(&transfer_buffer[1], data, datasize);
1109 command_port->write_urb->transfer_buffer_length = datasize + 1; 1161 command_port->write_urb->transfer_buffer_length = datasize + 1;
1110 command_port->write_urb->dev = port->serial->dev; 1162 command_port->write_urb->dev = port->serial->dev;
1111 retval = usb_submit_urb (command_port->write_urb, GFP_NOIO); 1163 retval = usb_submit_urb(command_port->write_urb, GFP_NOIO);
1112 if (retval) { 1164 if (retval) {
1113 dbg("%s - submit urb failed", __func__); 1165 dbg("%s - submit urb failed", __func__);
1114 goto exit; 1166 goto exit;
@@ -1135,51 +1187,57 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
1135 if (command_info->command_finished == WHITEHEAT_CMD_COMPLETE) { 1187 if (command_info->command_finished == WHITEHEAT_CMD_COMPLETE) {
1136 dbg("%s - command completed.", __func__); 1188 dbg("%s - command completed.", __func__);
1137 switch (command) { 1189 switch (command) {
1138 case WHITEHEAT_GET_DTR_RTS: 1190 case WHITEHEAT_GET_DTR_RTS:
1139 info = usb_get_serial_port_data(port); 1191 info = usb_get_serial_port_data(port);
1140 memcpy(&info->mcr, command_info->result_buffer, sizeof(struct whiteheat_dr_info)); 1192 memcpy(&info->mcr, command_info->result_buffer,
1193 sizeof(struct whiteheat_dr_info));
1141 break; 1194 break;
1142 } 1195 }
1143 } 1196 }
1144
1145exit: 1197exit:
1146 mutex_unlock(&command_info->mutex); 1198 mutex_unlock(&command_info->mutex);
1147 return retval; 1199 return retval;
1148} 1200}
1149 1201
1150 1202
1151static int firm_open(struct usb_serial_port *port) { 1203static int firm_open(struct usb_serial_port *port)
1204{
1152 struct whiteheat_simple open_command; 1205 struct whiteheat_simple open_command;
1153 1206
1154 open_command.port = port->number - port->serial->minor + 1; 1207 open_command.port = port->number - port->serial->minor + 1;
1155 return firm_send_command(port, WHITEHEAT_OPEN, (__u8 *)&open_command, sizeof(open_command)); 1208 return firm_send_command(port, WHITEHEAT_OPEN,
1209 (__u8 *)&open_command, sizeof(open_command));
1156} 1210}
1157 1211
1158 1212
1159static int firm_close(struct usb_serial_port *port) { 1213static int firm_close(struct usb_serial_port *port)
1214{
1160 struct whiteheat_simple close_command; 1215 struct whiteheat_simple close_command;
1161 1216
1162 close_command.port = port->number - port->serial->minor + 1; 1217 close_command.port = port->number - port->serial->minor + 1;
1163 return firm_send_command(port, WHITEHEAT_CLOSE, (__u8 *)&close_command, sizeof(close_command)); 1218 return firm_send_command(port, WHITEHEAT_CLOSE,
1219 (__u8 *)&close_command, sizeof(close_command));
1164} 1220}
1165 1221
1166 1222
1167static int firm_setup_port(struct usb_serial_port *port) { 1223static int firm_setup_port(struct tty_struct *tty)
1224{
1225 struct usb_serial_port *port = tty->driver_data;
1168 struct whiteheat_port_settings port_settings; 1226 struct whiteheat_port_settings port_settings;
1169 unsigned int cflag = port->tty->termios->c_cflag; 1227 unsigned int cflag = tty->termios->c_cflag;
1170 1228
1171 port_settings.port = port->number + 1; 1229 port_settings.port = port->number + 1;
1172 1230
1173 /* get the byte size */ 1231 /* get the byte size */
1174 switch (cflag & CSIZE) { 1232 switch (cflag & CSIZE) {
1175 case CS5: port_settings.bits = 5; break; 1233 case CS5: port_settings.bits = 5; break;
1176 case CS6: port_settings.bits = 6; break; 1234 case CS6: port_settings.bits = 6; break;
1177 case CS7: port_settings.bits = 7; break; 1235 case CS7: port_settings.bits = 7; break;
1178 default: 1236 default:
1179 case CS8: port_settings.bits = 8; break; 1237 case CS8: port_settings.bits = 8; break;
1180 } 1238 }
1181 dbg("%s - data bits = %d", __func__, port_settings.bits); 1239 dbg("%s - data bits = %d", __func__, port_settings.bits);
1182 1240
1183 /* determine the parity */ 1241 /* determine the parity */
1184 if (cflag & PARENB) 1242 if (cflag & PARENB)
1185 if (cflag & CMSPAR) 1243 if (cflag & CMSPAR)
@@ -1205,7 +1263,8 @@ static int firm_setup_port(struct usb_serial_port *port) {
1205 1263
1206 /* figure out the flow control settings */ 1264 /* figure out the flow control settings */
1207 if (cflag & CRTSCTS) 1265 if (cflag & CRTSCTS)
1208 port_settings.hflow = (WHITEHEAT_HFLOW_CTS | WHITEHEAT_HFLOW_RTS); 1266 port_settings.hflow = (WHITEHEAT_HFLOW_CTS |
1267 WHITEHEAT_HFLOW_RTS);
1209 else 1268 else
1210 port_settings.hflow = WHITEHEAT_HFLOW_NONE; 1269 port_settings.hflow = WHITEHEAT_HFLOW_NONE;
1211 dbg("%s - hardware flow control = %s %s %s %s", __func__, 1270 dbg("%s - hardware flow control = %s %s %s %s", __func__,
@@ -1213,81 +1272,95 @@ static int firm_setup_port(struct usb_serial_port *port) {
1213 (port_settings.hflow & WHITEHEAT_HFLOW_RTS) ? "RTS" : "", 1272 (port_settings.hflow & WHITEHEAT_HFLOW_RTS) ? "RTS" : "",
1214 (port_settings.hflow & WHITEHEAT_HFLOW_DSR) ? "DSR" : "", 1273 (port_settings.hflow & WHITEHEAT_HFLOW_DSR) ? "DSR" : "",
1215 (port_settings.hflow & WHITEHEAT_HFLOW_DTR) ? "DTR" : ""); 1274 (port_settings.hflow & WHITEHEAT_HFLOW_DTR) ? "DTR" : "");
1216 1275
1217 /* determine software flow control */ 1276 /* determine software flow control */
1218 if (I_IXOFF(port->tty)) 1277 if (I_IXOFF(tty))
1219 port_settings.sflow = WHITEHEAT_SFLOW_RXTX; 1278 port_settings.sflow = WHITEHEAT_SFLOW_RXTX;
1220 else 1279 else
1221 port_settings.sflow = WHITEHEAT_SFLOW_NONE; 1280 port_settings.sflow = WHITEHEAT_SFLOW_NONE;
1222 dbg("%s - software flow control = %c", __func__, port_settings.sflow); 1281 dbg("%s - software flow control = %c", __func__, port_settings.sflow);
1223 1282
1224 port_settings.xon = START_CHAR(port->tty); 1283 port_settings.xon = START_CHAR(tty);
1225 port_settings.xoff = STOP_CHAR(port->tty); 1284 port_settings.xoff = STOP_CHAR(tty);
1226 dbg("%s - XON = %2x, XOFF = %2x", __func__, port_settings.xon, port_settings.xoff); 1285 dbg("%s - XON = %2x, XOFF = %2x",
1286 __func__, port_settings.xon, port_settings.xoff);
1227 1287
1228 /* get the baud rate wanted */ 1288 /* get the baud rate wanted */
1229 port_settings.baud = tty_get_baud_rate(port->tty); 1289 port_settings.baud = tty_get_baud_rate(tty);
1230 dbg("%s - baud rate = %d", __func__, port_settings.baud); 1290 dbg("%s - baud rate = %d", __func__, port_settings.baud);
1231 1291
1232 /* fixme: should set validated settings */ 1292 /* fixme: should set validated settings */
1233 tty_encode_baud_rate(port->tty, port_settings.baud, port_settings.baud); 1293 tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud);
1234 /* handle any settings that aren't specified in the tty structure */ 1294 /* handle any settings that aren't specified in the tty structure */
1235 port_settings.lloop = 0; 1295 port_settings.lloop = 0;
1236 1296
1237 /* now send the message to the device */ 1297 /* now send the message to the device */
1238 return firm_send_command(port, WHITEHEAT_SETUP_PORT, (__u8 *)&port_settings, sizeof(port_settings)); 1298 return firm_send_command(port, WHITEHEAT_SETUP_PORT,
1299 (__u8 *)&port_settings, sizeof(port_settings));
1239} 1300}
1240 1301
1241 1302
1242static int firm_set_rts(struct usb_serial_port *port, __u8 onoff) { 1303static int firm_set_rts(struct usb_serial_port *port, __u8 onoff)
1304{
1243 struct whiteheat_set_rdb rts_command; 1305 struct whiteheat_set_rdb rts_command;
1244 1306
1245 rts_command.port = port->number - port->serial->minor + 1; 1307 rts_command.port = port->number - port->serial->minor + 1;
1246 rts_command.state = onoff; 1308 rts_command.state = onoff;
1247 return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&rts_command, sizeof(rts_command)); 1309 return firm_send_command(port, WHITEHEAT_SET_RTS,
1310 (__u8 *)&rts_command, sizeof(rts_command));
1248} 1311}
1249 1312
1250 1313
1251static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff) { 1314static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff)
1315{
1252 struct whiteheat_set_rdb dtr_command; 1316 struct whiteheat_set_rdb dtr_command;
1253 1317
1254 dtr_command.port = port->number - port->serial->minor + 1; 1318 dtr_command.port = port->number - port->serial->minor + 1;
1255 dtr_command.state = onoff; 1319 dtr_command.state = onoff;
1256 return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&dtr_command, sizeof(dtr_command)); 1320 return firm_send_command(port, WHITEHEAT_SET_DTR,
1321 (__u8 *)&dtr_command, sizeof(dtr_command));
1257} 1322}
1258 1323
1259 1324
1260static int firm_set_break(struct usb_serial_port *port, __u8 onoff) { 1325static int firm_set_break(struct usb_serial_port *port, __u8 onoff)
1326{
1261 struct whiteheat_set_rdb break_command; 1327 struct whiteheat_set_rdb break_command;
1262 1328
1263 break_command.port = port->number - port->serial->minor + 1; 1329 break_command.port = port->number - port->serial->minor + 1;
1264 break_command.state = onoff; 1330 break_command.state = onoff;
1265 return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&break_command, sizeof(break_command)); 1331 return firm_send_command(port, WHITEHEAT_SET_BREAK,
1332 (__u8 *)&break_command, sizeof(break_command));
1266} 1333}
1267 1334
1268 1335
1269static int firm_purge(struct usb_serial_port *port, __u8 rxtx) { 1336static int firm_purge(struct usb_serial_port *port, __u8 rxtx)
1337{
1270 struct whiteheat_purge purge_command; 1338 struct whiteheat_purge purge_command;
1271 1339
1272 purge_command.port = port->number - port->serial->minor + 1; 1340 purge_command.port = port->number - port->serial->minor + 1;
1273 purge_command.what = rxtx; 1341 purge_command.what = rxtx;
1274 return firm_send_command(port, WHITEHEAT_PURGE, (__u8 *)&purge_command, sizeof(purge_command)); 1342 return firm_send_command(port, WHITEHEAT_PURGE,
1343 (__u8 *)&purge_command, sizeof(purge_command));
1275} 1344}
1276 1345
1277 1346
1278static int firm_get_dtr_rts(struct usb_serial_port *port) { 1347static int firm_get_dtr_rts(struct usb_serial_port *port)
1348{
1279 struct whiteheat_simple get_dr_command; 1349 struct whiteheat_simple get_dr_command;
1280 1350
1281 get_dr_command.port = port->number - port->serial->minor + 1; 1351 get_dr_command.port = port->number - port->serial->minor + 1;
1282 return firm_send_command(port, WHITEHEAT_GET_DTR_RTS, (__u8 *)&get_dr_command, sizeof(get_dr_command)); 1352 return firm_send_command(port, WHITEHEAT_GET_DTR_RTS,
1353 (__u8 *)&get_dr_command, sizeof(get_dr_command));
1283} 1354}
1284 1355
1285 1356
1286static int firm_report_tx_done(struct usb_serial_port *port) { 1357static int firm_report_tx_done(struct usb_serial_port *port)
1358{
1287 struct whiteheat_simple close_command; 1359 struct whiteheat_simple close_command;
1288 1360
1289 close_command.port = port->number - port->serial->minor + 1; 1361 close_command.port = port->number - port->serial->minor + 1;
1290 return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE, (__u8 *)&close_command, sizeof(close_command)); 1362 return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE,
1363 (__u8 *)&close_command, sizeof(close_command));
1291} 1364}
1292 1365
1293 1366
@@ -1299,7 +1372,7 @@ static int start_command_port(struct usb_serial *serial)
1299 struct usb_serial_port *command_port; 1372 struct usb_serial_port *command_port;
1300 struct whiteheat_command_private *command_info; 1373 struct whiteheat_command_private *command_info;
1301 int retval = 0; 1374 int retval = 0;
1302 1375
1303 command_port = serial->port[COMMAND_PORT]; 1376 command_port = serial->port[COMMAND_PORT];
1304 command_info = usb_get_serial_port_data(command_port); 1377 command_info = usb_get_serial_port_data(command_port);
1305 mutex_lock(&command_info->mutex); 1378 mutex_lock(&command_info->mutex);
@@ -1310,7 +1383,8 @@ static int start_command_port(struct usb_serial *serial)
1310 command_port->read_urb->dev = serial->dev; 1383 command_port->read_urb->dev = serial->dev;
1311 retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL); 1384 retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL);
1312 if (retval) { 1385 if (retval) {
1313 err("%s - failed submitting read urb, error %d", __func__, retval); 1386 err("%s - failed submitting read urb, error %d",
1387 __func__, retval);
1314 goto exit; 1388 goto exit;
1315 } 1389 }
1316 } 1390 }
@@ -1380,7 +1454,8 @@ static int start_port_read(struct usb_serial_port *port)
1380} 1454}
1381 1455
1382 1456
1383static struct whiteheat_urb_wrap *urb_to_wrap(struct urb* urb, struct list_head *head) 1457static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
1458 struct list_head *head)
1384{ 1459{
1385 struct whiteheat_urb_wrap *wrap; 1460 struct whiteheat_urb_wrap *wrap;
1386 struct list_head *tmp; 1461 struct list_head *tmp;
@@ -1406,7 +1481,7 @@ static void rx_data_softint(struct work_struct *work)
1406 struct whiteheat_private *info = 1481 struct whiteheat_private *info =
1407 container_of(work, struct whiteheat_private, rx_work); 1482 container_of(work, struct whiteheat_private, rx_work);
1408 struct usb_serial_port *port = info->port; 1483 struct usb_serial_port *port = info->port;
1409 struct tty_struct *tty = port->tty; 1484 struct tty_struct *tty = port->port.tty;
1410 struct whiteheat_urb_wrap *wrap; 1485 struct whiteheat_urb_wrap *wrap;
1411 struct urb *urb; 1486 struct urb *urb;
1412 unsigned long flags; 1487 unsigned long flags;
@@ -1429,7 +1504,8 @@ static void rx_data_softint(struct work_struct *work)
1429 urb = wrap->urb; 1504 urb = wrap->urb;
1430 1505
1431 if (tty && urb->actual_length) { 1506 if (tty && urb->actual_length) {
1432 int len = tty_buffer_request_room(tty, urb->actual_length); 1507 int len = tty_buffer_request_room(tty,
1508 urb->actual_length);
1433 /* This stuff can go away now I suspect */ 1509 /* This stuff can go away now I suspect */
1434 if (unlikely(len < urb->actual_length)) { 1510 if (unlikely(len < urb->actual_length)) {
1435 spin_lock_irqsave(&info->lock, flags); 1511 spin_lock_irqsave(&info->lock, flags);
@@ -1446,7 +1522,8 @@ static void rx_data_softint(struct work_struct *work)
1446 urb->dev = port->serial->dev; 1522 urb->dev = port->serial->dev;
1447 result = usb_submit_urb(urb, GFP_ATOMIC); 1523 result = usb_submit_urb(urb, GFP_ATOMIC);
1448 if (result) { 1524 if (result) {
1449 err("%s - failed resubmitting read urb, error %d", __func__, result); 1525 err("%s - failed resubmitting read urb, error %d",
1526 __func__, result);
1450 spin_lock_irqsave(&info->lock, flags); 1527 spin_lock_irqsave(&info->lock, flags);
1451 list_add(tmp, &info->rx_urbs_free); 1528 list_add(tmp, &info->rx_urbs_free);
1452 continue; 1529 continue;
@@ -1465,7 +1542,7 @@ static void rx_data_softint(struct work_struct *work)
1465/***************************************************************************** 1542/*****************************************************************************
1466 * Connect Tech's White Heat module functions 1543 * Connect Tech's White Heat module functions
1467 *****************************************************************************/ 1544 *****************************************************************************/
1468static int __init whiteheat_init (void) 1545static int __init whiteheat_init(void)
1469{ 1546{
1470 int retval; 1547 int retval;
1471 retval = usb_serial_register(&whiteheat_fake_device); 1548 retval = usb_serial_register(&whiteheat_fake_device);
@@ -1488,21 +1565,24 @@ failed_fake_register:
1488} 1565}
1489 1566
1490 1567
1491static void __exit whiteheat_exit (void) 1568static void __exit whiteheat_exit(void)
1492{ 1569{
1493 usb_deregister (&whiteheat_driver); 1570 usb_deregister(&whiteheat_driver);
1494 usb_serial_deregister (&whiteheat_fake_device); 1571 usb_serial_deregister(&whiteheat_fake_device);
1495 usb_serial_deregister (&whiteheat_device); 1572 usb_serial_deregister(&whiteheat_device);
1496} 1573}
1497 1574
1498 1575
1499module_init(whiteheat_init); 1576module_init(whiteheat_init);
1500module_exit(whiteheat_exit); 1577module_exit(whiteheat_exit);
1501 1578
1502MODULE_AUTHOR( DRIVER_AUTHOR ); 1579MODULE_AUTHOR(DRIVER_AUTHOR);
1503MODULE_DESCRIPTION( DRIVER_DESC ); 1580MODULE_DESCRIPTION(DRIVER_DESC);
1504MODULE_LICENSE("GPL"); 1581MODULE_LICENSE("GPL");
1505 1582
1583MODULE_FIRMWARE("whiteheat.fw");
1584MODULE_FIRMWARE("whiteheat_loader.fw");
1585
1506module_param(urb_pool_size, int, 0); 1586module_param(urb_pool_size, int, 0);
1507MODULE_PARM_DESC(urb_pool_size, "Number of urbs to use for buffering"); 1587MODULE_PARM_DESC(urb_pool_size, "Number of urbs to use for buffering");
1508 1588