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-rw-r--r--drivers/usb/serial/io_ti.c1860
1 files changed, 852 insertions, 1008 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 61daea3f7b2..a58822a14a8 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -18,8 +18,8 @@
18 * 18 *
19 * Version history: 19 * Version history:
20 * 20 *
21 * July 11, 2002 Removed 4 port device structure since all TI UMP 21 * July 11, 2002 Removed 4 port device structure since all TI UMP
22 * chips have only 2 ports 22 * chips have only 2 ports
23 * David Iacovelli (davidi@ionetworks.com) 23 * David Iacovelli (davidi@ionetworks.com)
24 * 24 *
25 */ 25 */
@@ -38,7 +38,7 @@
38#include <linux/serial.h> 38#include <linux/serial.h>
39#include <linux/ioctl.h> 39#include <linux/ioctl.h>
40#include <linux/firmware.h> 40#include <linux/firmware.h>
41#include <asm/uaccess.h> 41#include <linux/uaccess.h>
42#include <linux/usb.h> 42#include <linux/usb.h>
43#include <linux/usb/serial.h> 43#include <linux/usb/serial.h>
44 44
@@ -57,18 +57,19 @@
57 57
58 58
59struct edgeport_uart_buf_desc { 59struct edgeport_uart_buf_desc {
60 __u32 count; // Number of bytes currently in buffer 60 __u32 count; /* Number of bytes currently in buffer */
61}; 61};
62 62
63/* different hardware types */ 63/* different hardware types */
64#define HARDWARE_TYPE_930 0 64#define HARDWARE_TYPE_930 0
65#define HARDWARE_TYPE_TIUMP 1 65#define HARDWARE_TYPE_TIUMP 1
66 66
67// IOCTL_PRIVATE_TI_GET_MODE Definitions 67/* IOCTL_PRIVATE_TI_GET_MODE Definitions */
68#define TI_MODE_CONFIGURING 0 // Device has not entered start device 68#define TI_MODE_CONFIGURING 0 /* Device has not entered start device */
69#define TI_MODE_BOOT 1 // Staying in boot mode 69#define TI_MODE_BOOT 1 /* Staying in boot mode */
70#define TI_MODE_DOWNLOAD 2 // Made it to download mode 70#define TI_MODE_DOWNLOAD 2 /* Made it to download mode */
71#define TI_MODE_TRANSITIONING 3 // Currently in boot mode but transitioning to download mode 71#define TI_MODE_TRANSITIONING 3 /* Currently in boot mode but
72 transitioning to download mode */
72 73
73/* read urb state */ 74/* read urb state */
74#define EDGE_READ_URB_RUNNING 0 75#define EDGE_READ_URB_RUNNING 0
@@ -82,10 +83,9 @@ struct edgeport_uart_buf_desc {
82 83
83 84
84/* Product information read from the Edgeport */ 85/* Product information read from the Edgeport */
85struct product_info 86struct product_info {
86{ 87 int TiMode; /* Current TI Mode */
87 int TiMode; // Current TI Mode 88 __u8 hardware_type; /* Type of hardware */
88 __u8 hardware_type; // Type of hardware
89} __attribute__((packed)); 89} __attribute__((packed));
90 90
91/* circular buffer */ 91/* circular buffer */
@@ -116,7 +116,7 @@ struct edgeport_port {
116 happen */ 116 happen */
117 struct edgeport_serial *edge_serial; 117 struct edgeport_serial *edge_serial;
118 struct usb_serial_port *port; 118 struct usb_serial_port *port;
119 __u8 bUartMode; /* Port type, 0: RS232, etc. */ 119 __u8 bUartMode; /* Port type, 0: RS232, etc. */
120 spinlock_t ep_lock; 120 spinlock_t ep_lock;
121 int ep_read_urb_state; 121 int ep_read_urb_state;
122 int ep_write_urb_in_use; 122 int ep_write_urb_in_use;
@@ -125,8 +125,9 @@ struct edgeport_port {
125 125
126struct edgeport_serial { 126struct edgeport_serial {
127 struct product_info product_info; 127 struct product_info product_info;
128 u8 TI_I2C_Type; // Type of I2C in UMP 128 u8 TI_I2C_Type; /* Type of I2C in UMP */
129 u8 TiReadI2C; // Set to TRUE if we have read the I2c in Boot Mode 129 u8 TiReadI2C; /* Set to TRUE if we have read the
130 I2c in Boot Mode */
130 struct mutex es_lock; 131 struct mutex es_lock;
131 int num_ports_open; 132 int num_ports_open;
132 struct usb_serial *serial; 133 struct usb_serial *serial;
@@ -214,7 +215,7 @@ static struct usb_device_id id_table_combined [] = {
214 { } 215 { }
215}; 216};
216 217
217MODULE_DEVICE_TABLE (usb, id_table_combined); 218MODULE_DEVICE_TABLE(usb, id_table_combined);
218 219
219static struct usb_driver io_driver = { 220static struct usb_driver io_driver = {
220 .name = "io_ti", 221 .name = "io_ti",
@@ -231,19 +232,19 @@ static unsigned short OperationalBuildNumber;
231 232
232static int debug; 233static int debug;
233 234
234static int TIStayInBootMode = 0;
235static int low_latency = EDGE_LOW_LATENCY; 235static int low_latency = EDGE_LOW_LATENCY;
236static int closing_wait = EDGE_CLOSING_WAIT; 236static int closing_wait = EDGE_CLOSING_WAIT;
237static int ignore_cpu_rev = 0; 237static int ignore_cpu_rev;
238static int default_uart_mode = 0; /* RS232 */ 238static int default_uart_mode; /* RS232 */
239
240 239
241static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length); 240static void edge_tty_recv(struct device *dev, struct tty_struct *tty,
241 unsigned char *data, int length);
242 242
243static void stop_read(struct edgeport_port *edge_port); 243static void stop_read(struct edgeport_port *edge_port);
244static int restart_read(struct edgeport_port *edge_port); 244static int restart_read(struct edgeport_port *edge_port);
245 245
246static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios); 246static void edge_set_termios(struct usb_serial_port *port,
247 struct ktermios *old_termios);
247static void edge_send(struct usb_serial_port *port); 248static void edge_send(struct usb_serial_port *port);
248 249
249/* sysfs attributes */ 250/* sysfs attributes */
@@ -262,87 +263,57 @@ static unsigned int edge_buf_get(struct edge_buf *eb, char *buf,
262 unsigned int count); 263 unsigned int count);
263 264
264 265
265static int TIReadVendorRequestSync (struct usb_device *dev, 266static int ti_vread_sync(struct usb_device *dev, __u8 request,
266 __u8 request, 267 __u16 value, __u16 index, u8 *data, int size)
267 __u16 value,
268 __u16 index,
269 u8 *data,
270 int size)
271{ 268{
272 int status; 269 int status;
273 270
274 status = usb_control_msg (dev, 271 status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
275 usb_rcvctrlpipe(dev, 0), 272 (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN),
276 request, 273 value, index, data, size, 1000);
277 (USB_TYPE_VENDOR |
278 USB_RECIP_DEVICE |
279 USB_DIR_IN),
280 value,
281 index,
282 data,
283 size,
284 1000);
285 if (status < 0) 274 if (status < 0)
286 return status; 275 return status;
287 if (status != size) { 276 if (status != size) {
288 dbg ("%s - wanted to write %d, but only wrote %d", 277 dbg("%s - wanted to write %d, but only wrote %d",
289 __func__, size, status); 278 __func__, size, status);
290 return -ECOMM; 279 return -ECOMM;
291 } 280 }
292 return 0; 281 return 0;
293} 282}
294 283
295static int TISendVendorRequestSync (struct usb_device *dev, 284static int ti_vsend_sync(struct usb_device *dev, __u8 request,
296 __u8 request, 285 __u16 value, __u16 index, u8 *data, int size)
297 __u16 value,
298 __u16 index,
299 u8 *data,
300 int size)
301{ 286{
302 int status; 287 int status;
303 288
304 status = usb_control_msg (dev, 289 status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request,
305 usb_sndctrlpipe(dev, 0), 290 (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT),
306 request, 291 value, index, data, size, 1000);
307 (USB_TYPE_VENDOR |
308 USB_RECIP_DEVICE |
309 USB_DIR_OUT),
310 value,
311 index,
312 data,
313 size,
314 1000);
315 if (status < 0) 292 if (status < 0)
316 return status; 293 return status;
317 if (status != size) { 294 if (status != size) {
318 dbg ("%s - wanted to write %d, but only wrote %d", 295 dbg("%s - wanted to write %d, but only wrote %d",
319 __func__, size, status); 296 __func__, size, status);
320 return -ECOMM; 297 return -ECOMM;
321 } 298 }
322 return 0; 299 return 0;
323} 300}
324 301
325static int TIWriteCommandSync (struct usb_device *dev, __u8 command, 302static int send_cmd(struct usb_device *dev, __u8 command,
326 __u8 moduleid, __u16 value, u8 *data, 303 __u8 moduleid, __u16 value, u8 *data,
327 int size) 304 int size)
328{ 305{
329 return TISendVendorRequestSync (dev, 306 return ti_vsend_sync(dev, command, value, moduleid, data, size);
330 command, // Request
331 value, // wValue
332 moduleid, // wIndex
333 data, // TransferBuffer
334 size); // TransferBufferLength
335
336} 307}
337 308
338/* clear tx/rx buffers and fifo in TI UMP */ 309/* clear tx/rx buffers and fifo in TI UMP */
339static int TIPurgeDataSync (struct usb_serial_port *port, __u16 mask) 310static int purge_port(struct usb_serial_port *port, __u16 mask)
340{ 311{
341 int port_number = port->number - port->serial->minor; 312 int port_number = port->number - port->serial->minor;
342 313
343 dbg ("%s - port %d, mask %x", __func__, port_number, mask); 314 dbg("%s - port %d, mask %x", __func__, port_number, mask);
344 315
345 return TIWriteCommandSync (port->serial->dev, 316 return send_cmd(port->serial->dev,
346 UMPC_PURGE_PORT, 317 UMPC_PURGE_PORT,
347 (__u8)(UMPM_UART1_PORT + port_number), 318 (__u8)(UMPM_UART1_PORT + port_number),
348 mask, 319 mask,
@@ -351,92 +322,87 @@ static int TIPurgeDataSync (struct usb_serial_port *port, __u16 mask)
351} 322}
352 323
353/** 324/**
354 * TIReadDownloadMemory - Read edgeport memory from TI chip 325 * read_download_mem - Read edgeport memory from TI chip
355 * @dev: usb device pointer 326 * @dev: usb device pointer
356 * @start_address: Device CPU address at which to read 327 * @start_address: Device CPU address at which to read
357 * @length: Length of above data 328 * @length: Length of above data
358 * @address_type: Can read both XDATA and I2C 329 * @address_type: Can read both XDATA and I2C
359 * @buffer: pointer to input data buffer 330 * @buffer: pointer to input data buffer
360 */ 331 */
361static int TIReadDownloadMemory(struct usb_device *dev, int start_address, 332static int read_download_mem(struct usb_device *dev, int start_address,
362 int length, __u8 address_type, __u8 *buffer) 333 int length, __u8 address_type, __u8 *buffer)
363{ 334{
364 int status = 0; 335 int status = 0;
365 __u8 read_length; 336 __u8 read_length;
366 __be16 be_start_address; 337 __be16 be_start_address;
367 338
368 dbg ("%s - @ %x for %d", __func__, start_address, length); 339 dbg("%s - @ %x for %d", __func__, start_address, length);
369 340
370 /* Read in blocks of 64 bytes 341 /* Read in blocks of 64 bytes
371 * (TI firmware can't handle more than 64 byte reads) 342 * (TI firmware can't handle more than 64 byte reads)
372 */ 343 */
373 while (length) { 344 while (length) {
374 if (length > 64) 345 if (length > 64)
375 read_length= 64; 346 read_length = 64;
376 else 347 else
377 read_length = (__u8)length; 348 read_length = (__u8)length;
378 349
379 if (read_length > 1) { 350 if (read_length > 1) {
380 dbg ("%s - @ %x for %d", __func__, 351 dbg("%s - @ %x for %d", __func__,
381 start_address, read_length); 352 start_address, read_length);
382 } 353 }
383 be_start_address = cpu_to_be16 (start_address); 354 be_start_address = cpu_to_be16(start_address);
384 status = TIReadVendorRequestSync (dev, 355 status = ti_vread_sync(dev, UMPC_MEMORY_READ,
385 UMPC_MEMORY_READ, // Request 356 (__u16)address_type,
386 (__u16)address_type, // wValue (Address type) 357 (__force __u16)be_start_address,
387 (__force __u16)be_start_address, // wIndex (Address to read) 358 buffer, read_length);
388 buffer, // TransferBuffer
389 read_length); // TransferBufferLength
390 359
391 if (status) { 360 if (status) {
392 dbg ("%s - ERROR %x", __func__, status); 361 dbg("%s - ERROR %x", __func__, status);
393 return status; 362 return status;
394 } 363 }
395 364
396 if (read_length > 1) { 365 if (read_length > 1)
397 usb_serial_debug_data(debug, &dev->dev, __func__, 366 usb_serial_debug_data(debug, &dev->dev, __func__,
398 read_length, buffer); 367 read_length, buffer);
399 }
400 368
401 /* Update pointers/length */ 369 /* Update pointers/length */
402 start_address += read_length; 370 start_address += read_length;
403 buffer += read_length; 371 buffer += read_length;
404 length -= read_length; 372 length -= read_length;
405 } 373 }
406 374
407 return status; 375 return status;
408} 376}
409 377
410static int TIReadRam (struct usb_device *dev, int start_address, int length, __u8 *buffer) 378static int read_ram(struct usb_device *dev, int start_address,
379 int length, __u8 *buffer)
411{ 380{
412 return TIReadDownloadMemory (dev, 381 return read_download_mem(dev, start_address, length,
413 start_address, 382 DTK_ADDR_SPACE_XDATA, buffer);
414 length,
415 DTK_ADDR_SPACE_XDATA,
416 buffer);
417} 383}
418 384
419/* Read edgeport memory to a given block */ 385/* Read edgeport memory to a given block */
420static int TIReadBootMemory (struct edgeport_serial *serial, int start_address, int length, __u8 * buffer) 386static int read_boot_mem(struct edgeport_serial *serial,
387 int start_address, int length, __u8 *buffer)
421{ 388{
422 int status = 0; 389 int status = 0;
423 int i; 390 int i;
424 391
425 for (i=0; i< length; i++) { 392 for (i = 0; i < length; i++) {
426 status = TIReadVendorRequestSync (serial->serial->dev, 393 status = ti_vread_sync(serial->serial->dev,
427 UMPC_MEMORY_READ, // Request 394 UMPC_MEMORY_READ, serial->TI_I2C_Type,
428 serial->TI_I2C_Type, // wValue (Address type) 395 (__u16)(start_address+i), &buffer[i], 0x01);
429 (__u16)(start_address+i), // wIndex
430 &buffer[i], // TransferBuffer
431 0x01); // TransferBufferLength
432 if (status) { 396 if (status) {
433 dbg ("%s - ERROR %x", __func__, status); 397 dbg("%s - ERROR %x", __func__, status);
434 return status; 398 return status;
435 } 399 }
436 } 400 }
437 401
438 dbg ("%s - start_address = %x, length = %d", __func__, start_address, length); 402 dbg("%s - start_address = %x, length = %d",
439 usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, length, buffer); 403 __func__, start_address, length);
404 usb_serial_debug_data(debug, &serial->serial->dev->dev,
405 __func__, length, buffer);
440 406
441 serial->TiReadI2C = 1; 407 serial->TiReadI2C = 1;
442 408
@@ -444,7 +410,8 @@ static int TIReadBootMemory (struct edgeport_serial *serial, int start_address,
444} 410}
445 411
446/* Write given block to TI EPROM memory */ 412/* Write given block to TI EPROM memory */
447static int TIWriteBootMemory (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) 413static int write_boot_mem(struct edgeport_serial *serial,
414 int start_address, int length, __u8 *buffer)
448{ 415{
449 int status = 0; 416 int status = 0;
450 int i; 417 int i;
@@ -452,57 +419,58 @@ static int TIWriteBootMemory (struct edgeport_serial *serial, int start_address,
452 419
453 /* Must do a read before write */ 420 /* Must do a read before write */
454 if (!serial->TiReadI2C) { 421 if (!serial->TiReadI2C) {
455 status = TIReadBootMemory(serial, 0, 1, &temp); 422 status = read_boot_mem(serial, 0, 1, &temp);
456 if (status) 423 if (status)
457 return status; 424 return status;
458 } 425 }
459 426
460 for (i=0; i < length; ++i) { 427 for (i = 0; i < length; ++i) {
461 status = TISendVendorRequestSync (serial->serial->dev, 428 status = ti_vsend_sync(serial->serial->dev,
462 UMPC_MEMORY_WRITE, // Request 429 UMPC_MEMORY_WRITE, buffer[i],
463 buffer[i], // wValue 430 (__u16)(i + start_address), NULL, 0);
464 (__u16)(i+start_address), // wIndex
465 NULL, // TransferBuffer
466 0); // TransferBufferLength
467 if (status) 431 if (status)
468 return status; 432 return status;
469 } 433 }
470 434
471 dbg ("%s - start_sddr = %x, length = %d", __func__, start_address, length); 435 dbg("%s - start_sddr = %x, length = %d",
472 usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, length, buffer); 436 __func__, start_address, length);
437 usb_serial_debug_data(debug, &serial->serial->dev->dev,
438 __func__, length, buffer);
473 439
474 return status; 440 return status;
475} 441}
476 442
477 443
478/* Write edgeport I2C memory to TI chip */ 444/* Write edgeport I2C memory to TI chip */
479static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address, int length, __u8 address_type, __u8 *buffer) 445static int write_i2c_mem(struct edgeport_serial *serial,
446 int start_address, int length, __u8 address_type, __u8 *buffer)
480{ 447{
481 int status = 0; 448 int status = 0;
482 int write_length; 449 int write_length;
483 __be16 be_start_address; 450 __be16 be_start_address;
484 451
485 /* We can only send a maximum of 1 aligned byte page at a time */ 452 /* We can only send a maximum of 1 aligned byte page at a time */
486 453
487 /* calulate the number of bytes left in the first page */ 454 /* calulate the number of bytes left in the first page */
488 write_length = EPROM_PAGE_SIZE - (start_address & (EPROM_PAGE_SIZE - 1)); 455 write_length = EPROM_PAGE_SIZE -
456 (start_address & (EPROM_PAGE_SIZE - 1));
489 457
490 if (write_length > length) 458 if (write_length > length)
491 write_length = length; 459 write_length = length;
492 460
493 dbg ("%s - BytesInFirstPage Addr = %x, length = %d", __func__, start_address, write_length); 461 dbg("%s - BytesInFirstPage Addr = %x, length = %d",
494 usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, write_length, buffer); 462 __func__, start_address, write_length);
463 usb_serial_debug_data(debug, &serial->serial->dev->dev,
464 __func__, write_length, buffer);
495 465
496 /* Write first page */ 466 /* Write first page */
497 be_start_address = cpu_to_be16 (start_address); 467 be_start_address = cpu_to_be16(start_address);
498 status = TISendVendorRequestSync (serial->serial->dev, 468 status = ti_vsend_sync(serial->serial->dev,
499 UMPC_MEMORY_WRITE, // Request 469 UMPC_MEMORY_WRITE, (__u16)address_type,
500 (__u16)address_type, // wValue 470 (__force __u16)be_start_address,
501 (__force __u16)be_start_address, // wIndex 471 buffer, write_length);
502 buffer, // TransferBuffer
503 write_length);
504 if (status) { 472 if (status) {
505 dbg ("%s - ERROR %d", __func__, status); 473 dbg("%s - ERROR %d", __func__, status);
506 return status; 474 return status;
507 } 475 }
508 476
@@ -510,29 +478,31 @@ static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address
510 start_address += write_length; 478 start_address += write_length;
511 buffer += write_length; 479 buffer += write_length;
512 480
513 /* We should be aligned now -- can write max page size bytes at a time */ 481 /* We should be aligned now -- can write
482 max page size bytes at a time */
514 while (length) { 483 while (length) {
515 if (length > EPROM_PAGE_SIZE) 484 if (length > EPROM_PAGE_SIZE)
516 write_length = EPROM_PAGE_SIZE; 485 write_length = EPROM_PAGE_SIZE;
517 else 486 else
518 write_length = length; 487 write_length = length;
519 488
520 dbg ("%s - Page Write Addr = %x, length = %d", __func__, start_address, write_length); 489 dbg("%s - Page Write Addr = %x, length = %d",
521 usb_serial_debug_data(debug, &serial->serial->dev->dev, __func__, write_length, buffer); 490 __func__, start_address, write_length);
491 usb_serial_debug_data(debug, &serial->serial->dev->dev,
492 __func__, write_length, buffer);
522 493
523 /* Write next page */ 494 /* Write next page */
524 be_start_address = cpu_to_be16 (start_address); 495 be_start_address = cpu_to_be16(start_address);
525 status = TISendVendorRequestSync (serial->serial->dev, 496 status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE,
526 UMPC_MEMORY_WRITE, // Request 497 (__u16)address_type,
527 (__u16)address_type, // wValue 498 (__force __u16)be_start_address,
528 (__force __u16)be_start_address, // wIndex 499 buffer, write_length);
529 buffer, // TransferBuffer
530 write_length); // TransferBufferLength
531 if (status) { 500 if (status) {
532 dev_err (&serial->serial->dev->dev, "%s - ERROR %d\n", __func__, status); 501 dev_err(&serial->serial->dev->dev, "%s - ERROR %d\n",
502 __func__, status);
533 return status; 503 return status;
534 } 504 }
535 505
536 length -= write_length; 506 length -= write_length;
537 start_address += write_length; 507 start_address += write_length;
538 buffer += write_length; 508 buffer += write_length;
@@ -541,25 +511,25 @@ static int TIWriteDownloadI2C (struct edgeport_serial *serial, int start_address
541} 511}
542 512
543/* Examine the UMP DMA registers and LSR 513/* Examine the UMP DMA registers and LSR
544 * 514 *
545 * Check the MSBit of the X and Y DMA byte count registers. 515 * Check the MSBit of the X and Y DMA byte count registers.
546 * A zero in this bit indicates that the TX DMA buffers are empty 516 * A zero in this bit indicates that the TX DMA buffers are empty
547 * then check the TX Empty bit in the UART. 517 * then check the TX Empty bit in the UART.
548 */ 518 */
549static int TIIsTxActive (struct edgeport_port *port) 519static int tx_active(struct edgeport_port *port)
550{ 520{
551 int status; 521 int status;
552 struct out_endpoint_desc_block *oedb; 522 struct out_endpoint_desc_block *oedb;
553 __u8 *lsr; 523 __u8 *lsr;
554 int bytes_left = 0; 524 int bytes_left = 0;
555 525
556 oedb = kmalloc (sizeof (* oedb), GFP_KERNEL); 526 oedb = kmalloc(sizeof(*oedb), GFP_KERNEL);
557 if (!oedb) { 527 if (!oedb) {
558 dev_err (&port->port->dev, "%s - out of memory\n", __func__); 528 dev_err(&port->port->dev, "%s - out of memory\n", __func__);
559 return -ENOMEM; 529 return -ENOMEM;
560 } 530 }
561 531
562 lsr = kmalloc (1, GFP_KERNEL); /* Sigh, that's right, just one byte, 532 lsr = kmalloc(1, GFP_KERNEL); /* Sigh, that's right, just one byte,
563 as not all platforms can do DMA 533 as not all platforms can do DMA
564 from stack */ 534 from stack */
565 if (!lsr) { 535 if (!lsr) {
@@ -567,43 +537,39 @@ static int TIIsTxActive (struct edgeport_port *port)
567 return -ENOMEM; 537 return -ENOMEM;
568 } 538 }
569 /* Read the DMA Count Registers */ 539 /* Read the DMA Count Registers */
570 status = TIReadRam (port->port->serial->dev, 540 status = read_ram(port->port->serial->dev, port->dma_address,
571 port->dma_address, 541 sizeof(*oedb), (void *)oedb);
572 sizeof( *oedb),
573 (void *)oedb);
574
575 if (status) 542 if (status)
576 goto exit_is_tx_active; 543 goto exit_is_tx_active;
577 544
578 dbg ("%s - XByteCount 0x%X", __func__, oedb->XByteCount); 545 dbg("%s - XByteCount 0x%X", __func__, oedb->XByteCount);
579 546
580 /* and the LSR */ 547 /* and the LSR */
581 status = TIReadRam (port->port->serial->dev, 548 status = read_ram(port->port->serial->dev,
582 port->uart_base + UMPMEM_OFFS_UART_LSR, 549 port->uart_base + UMPMEM_OFFS_UART_LSR, 1, lsr);
583 1,
584 lsr);
585 550
586 if (status) 551 if (status)
587 goto exit_is_tx_active; 552 goto exit_is_tx_active;
588 dbg ("%s - LSR = 0x%X", __func__, *lsr); 553 dbg("%s - LSR = 0x%X", __func__, *lsr);
589 554
590 /* If either buffer has data or we are transmitting then return TRUE */ 555 /* If either buffer has data or we are transmitting then return TRUE */
591 if ((oedb->XByteCount & 0x80 ) != 0 ) 556 if ((oedb->XByteCount & 0x80) != 0)
592 bytes_left += 64; 557 bytes_left += 64;
593 558
594 if ((*lsr & UMP_UART_LSR_TX_MASK ) == 0 ) 559 if ((*lsr & UMP_UART_LSR_TX_MASK) == 0)
595 bytes_left += 1; 560 bytes_left += 1;
596 561
597 /* We return Not Active if we get any kind of error */ 562 /* We return Not Active if we get any kind of error */
598exit_is_tx_active: 563exit_is_tx_active:
599 dbg ("%s - return %d", __func__, bytes_left ); 564 dbg("%s - return %d", __func__, bytes_left);
600 565
601 kfree(lsr); 566 kfree(lsr);
602 kfree(oedb); 567 kfree(oedb);
603 return bytes_left; 568 return bytes_left;
604} 569}
605 570
606static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int flush) 571static void chase_port(struct edgeport_port *port, unsigned long timeout,
572 int flush)
607{ 573{
608 int baud_rate; 574 int baud_rate;
609 struct tty_struct *tty = port->port->tty; 575 struct tty_struct *tty = port->port->tty;
@@ -611,7 +577,7 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f
611 unsigned long flags; 577 unsigned long flags;
612 578
613 if (!timeout) 579 if (!timeout)
614 timeout = (HZ*EDGE_CLOSING_WAIT)/100; 580 timeout = (HZ * EDGE_CLOSING_WAIT)/100;
615 581
616 /* wait for data to drain from the buffer */ 582 /* wait for data to drain from the buffer */
617 spin_lock_irqsave(&port->ep_lock, flags); 583 spin_lock_irqsave(&port->ep_lock, flags);
@@ -621,7 +587,8 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f
621 set_current_state(TASK_INTERRUPTIBLE); 587 set_current_state(TASK_INTERRUPTIBLE);
622 if (edge_buf_data_avail(port->ep_out_buf) == 0 588 if (edge_buf_data_avail(port->ep_out_buf) == 0
623 || timeout == 0 || signal_pending(current) 589 || timeout == 0 || signal_pending(current)
624 || !usb_get_intfdata(port->port->serial->interface)) /* disconnect */ 590 || !usb_get_intfdata(port->port->serial->interface))
591 /* disconnect */
625 break; 592 break;
626 spin_unlock_irqrestore(&port->ep_lock, flags); 593 spin_unlock_irqrestore(&port->ep_lock, flags);
627 timeout = schedule_timeout(timeout); 594 timeout = schedule_timeout(timeout);
@@ -636,8 +603,9 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f
636 /* wait for data to drain from the device */ 603 /* wait for data to drain from the device */
637 timeout += jiffies; 604 timeout += jiffies;
638 while ((long)(jiffies - timeout) < 0 && !signal_pending(current) 605 while ((long)(jiffies - timeout) < 0 && !signal_pending(current)
639 && usb_get_intfdata(port->port->serial->interface)) { /* not disconnected */ 606 && usb_get_intfdata(port->port->serial->interface)) {
640 if (!TIIsTxActive(port)) 607 /* not disconnected */
608 if (!tx_active(port))
641 break; 609 break;
642 msleep(10); 610 msleep(10);
643 } 611 }
@@ -647,72 +615,72 @@ static void TIChasePort(struct edgeport_port *port, unsigned long timeout, int f
647 return; 615 return;
648 616
649 /* wait one more character time, based on baud rate */ 617 /* wait one more character time, based on baud rate */
650 /* (TIIsTxActive doesn't seem to wait for the last byte) */ 618 /* (tx_active doesn't seem to wait for the last byte) */
651 if ((baud_rate=port->baud_rate) == 0) 619 baud_rate = port->baud_rate;
620 if (baud_rate == 0)
652 baud_rate = 50; 621 baud_rate = 50;
653 msleep(max(1, DIV_ROUND_UP(10000, baud_rate))); 622 msleep(max(1, DIV_ROUND_UP(10000, baud_rate)));
654} 623}
655 624
656static int TIChooseConfiguration (struct usb_device *dev) 625static int choose_config(struct usb_device *dev)
657{ 626{
658 // There may be multiple configurations on this device, in which case 627 /*
659 // we would need to read and parse all of them to find out which one 628 * There may be multiple configurations on this device, in which case
660 // we want. However, we just support one config at this point, 629 * we would need to read and parse all of them to find out which one
661 // configuration # 1, which is Config Descriptor 0. 630 * we want. However, we just support one config at this point,
631 * configuration # 1, which is Config Descriptor 0.
632 */
662 633
663 dbg ("%s - Number of Interfaces = %d", __func__, dev->config->desc.bNumInterfaces); 634 dbg("%s - Number of Interfaces = %d",
664 dbg ("%s - MAX Power = %d", __func__, dev->config->desc.bMaxPower*2); 635 __func__, dev->config->desc.bNumInterfaces);
636 dbg("%s - MAX Power = %d",
637 __func__, dev->config->desc.bMaxPower * 2);
665 638
666 if (dev->config->desc.bNumInterfaces != 1) { 639 if (dev->config->desc.bNumInterfaces != 1) {
667 dev_err (&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n", __func__); 640 dev_err(&dev->dev, "%s - bNumInterfaces is not 1, ERROR!\n",
641 __func__);
668 return -ENODEV; 642 return -ENODEV;
669 } 643 }
670 644
671 return 0; 645 return 0;
672} 646}
673 647
674static int TIReadRom (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) 648static int read_rom(struct edgeport_serial *serial,
649 int start_address, int length, __u8 *buffer)
675{ 650{
676 int status; 651 int status;
677 652
678 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) { 653 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) {
679 status = TIReadDownloadMemory (serial->serial->dev, 654 status = read_download_mem(serial->serial->dev,
680 start_address, 655 start_address,
681 length, 656 length,
682 serial->TI_I2C_Type, 657 serial->TI_I2C_Type,
683 buffer); 658 buffer);
684 } else { 659 } else {
685 status = TIReadBootMemory (serial, 660 status = read_boot_mem(serial, start_address, length,
686 start_address, 661 buffer);
687 length,
688 buffer);
689 } 662 }
690
691 return status; 663 return status;
692} 664}
693 665
694static int TIWriteRom (struct edgeport_serial *serial, int start_address, int length, __u8 *buffer) 666static int write_rom(struct edgeport_serial *serial, int start_address,
667 int length, __u8 *buffer)
695{ 668{
696 if (serial->product_info.TiMode == TI_MODE_BOOT) 669 if (serial->product_info.TiMode == TI_MODE_BOOT)
697 return TIWriteBootMemory (serial, 670 return write_boot_mem(serial, start_address, length,
698 start_address, 671 buffer);
699 length,
700 buffer);
701 672
702 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD) 673 if (serial->product_info.TiMode == TI_MODE_DOWNLOAD)
703 return TIWriteDownloadI2C (serial, 674 return write_i2c_mem(serial, start_address, length,
704 start_address, 675 serial->TI_I2C_Type, buffer);
705 length,
706 serial->TI_I2C_Type,
707 buffer);
708
709 return -EINVAL; 676 return -EINVAL;
710} 677}
711 678
712 679
713 680
714/* Read a descriptor header from I2C based on type */ 681/* Read a descriptor header from I2C based on type */
715static int TIGetDescriptorAddress (struct edgeport_serial *serial, int desc_type, struct ti_i2c_desc *rom_desc) 682static int get_descriptor_addr(struct edgeport_serial *serial,
683 int desc_type, struct ti_i2c_desc *rom_desc)
716{ 684{
717 int start_address; 685 int start_address;
718 int status; 686 int status;
@@ -720,41 +688,42 @@ static int TIGetDescriptorAddress (struct edgeport_serial *serial, int desc_type
720 /* Search for requested descriptor in I2C */ 688 /* Search for requested descriptor in I2C */
721 start_address = 2; 689 start_address = 2;
722 do { 690 do {
723 status = TIReadRom (serial, 691 status = read_rom(serial,
724 start_address, 692 start_address,
725 sizeof(struct ti_i2c_desc), 693 sizeof(struct ti_i2c_desc),
726 (__u8 *)rom_desc ); 694 (__u8 *)rom_desc);
727 if (status) 695 if (status)
728 return 0; 696 return 0;
729 697
730 if (rom_desc->Type == desc_type) 698 if (rom_desc->Type == desc_type)
731 return start_address; 699 return start_address;
732 700
733 start_address = start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size; 701 start_address = start_address + sizeof(struct ti_i2c_desc)
702 + rom_desc->Size;
734 703
735 } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); 704 } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type);
736 705
737 return 0; 706 return 0;
738} 707}
739 708
740/* Validate descriptor checksum */ 709/* Validate descriptor checksum */
741static int ValidChecksum(struct ti_i2c_desc *rom_desc, __u8 *buffer) 710static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer)
742{ 711{
743 __u16 i; 712 __u16 i;
744 __u8 cs = 0; 713 __u8 cs = 0;
745 714
746 for (i=0; i < rom_desc->Size; i++) { 715 for (i = 0; i < rom_desc->Size; i++)
747 cs = (__u8)(cs + buffer[i]); 716 cs = (__u8)(cs + buffer[i]);
748 } 717
749 if (cs != rom_desc->CheckSum) { 718 if (cs != rom_desc->CheckSum) {
750 dbg ("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs); 719 dbg("%s - Mismatch %x - %x", __func__, rom_desc->CheckSum, cs);
751 return -EINVAL; 720 return -EINVAL;
752 } 721 }
753 return 0; 722 return 0;
754} 723}
755 724
756/* Make sure that the I2C image is good */ 725/* Make sure that the I2C image is good */
757static int TiValidateI2cImage (struct edgeport_serial *serial) 726static int check_i2c_image(struct edgeport_serial *serial)
758{ 727{
759 struct device *dev = &serial->serial->dev->dev; 728 struct device *dev = &serial->serial->dev->dev;
760 int status = 0; 729 int status = 0;
@@ -763,120 +732,124 @@ static int TiValidateI2cImage (struct edgeport_serial *serial)
763 __u8 *buffer; 732 __u8 *buffer;
764 __u16 ttype; 733 __u16 ttype;
765 734
766 rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); 735 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
767 if (!rom_desc) { 736 if (!rom_desc) {
768 dev_err (dev, "%s - out of memory\n", __func__); 737 dev_err(dev, "%s - out of memory\n", __func__);
769 return -ENOMEM; 738 return -ENOMEM;
770 } 739 }
771 buffer = kmalloc (TI_MAX_I2C_SIZE, GFP_KERNEL); 740 buffer = kmalloc(TI_MAX_I2C_SIZE, GFP_KERNEL);
772 if (!buffer) { 741 if (!buffer) {
773 dev_err (dev, "%s - out of memory when allocating buffer\n", __func__); 742 dev_err(dev, "%s - out of memory when allocating buffer\n",
774 kfree (rom_desc); 743 __func__);
744 kfree(rom_desc);
775 return -ENOMEM; 745 return -ENOMEM;
776 } 746 }
777 747
778 // Read the first byte (Signature0) must be 0x52 or 0x10 748 /* Read the first byte (Signature0) must be 0x52 or 0x10 */
779 status = TIReadRom (serial, 0, 1, buffer); 749 status = read_rom(serial, 0, 1, buffer);
780 if (status) 750 if (status)
781 goto ExitTiValidateI2cImage; 751 goto out;
782 752
783 if (*buffer != UMP5152 && *buffer != UMP3410) { 753 if (*buffer != UMP5152 && *buffer != UMP3410) {
784 dev_err (dev, "%s - invalid buffer signature\n", __func__); 754 dev_err(dev, "%s - invalid buffer signature\n", __func__);
785 status = -ENODEV; 755 status = -ENODEV;
786 goto ExitTiValidateI2cImage; 756 goto out;
787 } 757 }
788 758
789 do { 759 do {
790 // Validate the I2C 760 /* Validate the I2C */
791 status = TIReadRom (serial, 761 status = read_rom(serial,
792 start_address, 762 start_address,
793 sizeof(struct ti_i2c_desc), 763 sizeof(struct ti_i2c_desc),
794 (__u8 *)rom_desc); 764 (__u8 *)rom_desc);
795 if (status) 765 if (status)
796 break; 766 break;
797 767
798 if ((start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size) > TI_MAX_I2C_SIZE) { 768 if ((start_address + sizeof(struct ti_i2c_desc) +
769 rom_desc->Size) > TI_MAX_I2C_SIZE) {
799 status = -ENODEV; 770 status = -ENODEV;
800 dbg ("%s - structure too big, erroring out.", __func__); 771 dbg("%s - structure too big, erroring out.", __func__);
801 break; 772 break;
802 } 773 }
803 774
804 dbg ("%s Type = 0x%x", __func__, rom_desc->Type); 775 dbg("%s Type = 0x%x", __func__, rom_desc->Type);
805 776
806 // Skip type 2 record 777 /* Skip type 2 record */
807 ttype = rom_desc->Type & 0x0f; 778 ttype = rom_desc->Type & 0x0f;
808 if ( ttype != I2C_DESC_TYPE_FIRMWARE_BASIC 779 if (ttype != I2C_DESC_TYPE_FIRMWARE_BASIC
809 && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO ) { 780 && ttype != I2C_DESC_TYPE_FIRMWARE_AUTO) {
810 // Read the descriptor data 781 /* Read the descriptor data */
811 status = TIReadRom(serial, 782 status = read_rom(serial, start_address +
812 start_address+sizeof(struct ti_i2c_desc), 783 sizeof(struct ti_i2c_desc),
813 rom_desc->Size, 784 rom_desc->Size, buffer);
814 buffer);
815 if (status) 785 if (status)
816 break; 786 break;
817 787
818 status = ValidChecksum(rom_desc, buffer); 788 status = valid_csum(rom_desc, buffer);
819 if (status) 789 if (status)
820 break; 790 break;
821 } 791 }
822 start_address = start_address + sizeof(struct ti_i2c_desc) + rom_desc->Size; 792 start_address = start_address + sizeof(struct ti_i2c_desc) +
793 rom_desc->Size;
823 794
824 } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && (start_address < TI_MAX_I2C_SIZE)); 795 } while ((rom_desc->Type != I2C_DESC_TYPE_ION) &&
796 (start_address < TI_MAX_I2C_SIZE));
825 797
826 if ((rom_desc->Type != I2C_DESC_TYPE_ION) || (start_address > TI_MAX_I2C_SIZE)) 798 if ((rom_desc->Type != I2C_DESC_TYPE_ION) ||
799 (start_address > TI_MAX_I2C_SIZE))
827 status = -ENODEV; 800 status = -ENODEV;
828 801
829ExitTiValidateI2cImage: 802out:
830 kfree (buffer); 803 kfree(buffer);
831 kfree (rom_desc); 804 kfree(rom_desc);
832 return status; 805 return status;
833} 806}
834 807
835static int TIReadManufDescriptor (struct edgeport_serial *serial, __u8 *buffer) 808static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer)
836{ 809{
837 int status; 810 int status;
838 int start_address; 811 int start_address;
839 struct ti_i2c_desc *rom_desc; 812 struct ti_i2c_desc *rom_desc;
840 struct edge_ti_manuf_descriptor *desc; 813 struct edge_ti_manuf_descriptor *desc;
841 814
842 rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); 815 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
843 if (!rom_desc) { 816 if (!rom_desc) {
844 dev_err (&serial->serial->dev->dev, "%s - out of memory\n", __func__); 817 dev_err(&serial->serial->dev->dev, "%s - out of memory\n",
818 __func__);
845 return -ENOMEM; 819 return -ENOMEM;
846 } 820 }
847 start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_ION, rom_desc); 821 start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_ION,
822 rom_desc);
848 823
849 if (!start_address) { 824 if (!start_address) {
850 dbg ("%s - Edge Descriptor not found in I2C", __func__); 825 dbg("%s - Edge Descriptor not found in I2C", __func__);
851 status = -ENODEV; 826 status = -ENODEV;
852 goto exit; 827 goto exit;
853 } 828 }
854 829
855 // Read the descriptor data 830 /* Read the descriptor data */
856 status = TIReadRom (serial, 831 status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc),
857 start_address+sizeof(struct ti_i2c_desc), 832 rom_desc->Size, buffer);
858 rom_desc->Size,
859 buffer);
860 if (status) 833 if (status)
861 goto exit; 834 goto exit;
862 835
863 status = ValidChecksum(rom_desc, buffer); 836 status = valid_csum(rom_desc, buffer);
864 837
865 desc = (struct edge_ti_manuf_descriptor *)buffer; 838 desc = (struct edge_ti_manuf_descriptor *)buffer;
866 dbg ( "%s - IonConfig 0x%x", __func__, desc->IonConfig ); 839 dbg("%s - IonConfig 0x%x", __func__, desc->IonConfig);
867 dbg ( "%s - Version %d", __func__, desc->Version ); 840 dbg("%s - Version %d", __func__, desc->Version);
868 dbg ( "%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev ); 841 dbg("%s - Cpu/Board 0x%x", __func__, desc->CpuRev_BoardRev);
869 dbg ( "%s - NumPorts %d", __func__, desc->NumPorts ); 842 dbg("%s - NumPorts %d", __func__, desc->NumPorts);
870 dbg ( "%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts ); 843 dbg("%s - NumVirtualPorts %d", __func__, desc->NumVirtualPorts);
871 dbg ( "%s - TotalPorts %d", __func__, desc->TotalPorts ); 844 dbg("%s - TotalPorts %d", __func__, desc->TotalPorts);
872 845
873exit: 846exit:
874 kfree (rom_desc); 847 kfree(rom_desc);
875 return status; 848 return status;
876} 849}
877 850
878/* Build firmware header used for firmware update */ 851/* Build firmware header used for firmware update */
879static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev) 852static int build_i2c_fw_hdr(__u8 *header, struct device *dev)
880{ 853{
881 __u8 *buffer; 854 __u8 *buffer;
882 int buffer_size; 855 int buffer_size;
@@ -889,24 +862,28 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev)
889 const struct firmware *fw; 862 const struct firmware *fw;
890 const char *fw_name = "edgeport/down3.bin"; 863 const char *fw_name = "edgeport/down3.bin";
891 864
892 // In order to update the I2C firmware we must change the type 2 record to type 0xF2. 865 /* In order to update the I2C firmware we must change the type 2 record
893 // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver 866 * to type 0xF2. This will force the UMP to come up in Boot Mode.
894 // will download the latest firmware (padded to 15.5k) into the UMP ram. 867 * Then while in boot mode, the driver will download the latest
895 // And finally when the device comes back up in download mode the driver will cause 868 * firmware (padded to 15.5k) into the UMP ram. And finally when the
896 // the new firmware to be copied from the UMP Ram to I2C and the firmware will update 869 * device comes back up in download mode the driver will cause the new
897 // the record type from 0xf2 to 0x02. 870 * firmware to be copied from the UMP Ram to I2C and the firmware will
898 871 * update the record type from 0xf2 to 0x02.
899 // Allocate a 15.5k buffer + 2 bytes for version number (Firmware Record) 872 */
900 buffer_size = (((1024 * 16) - 512 )+ sizeof(struct ti_i2c_firmware_rec)); 873
901 874 /* Allocate a 15.5k buffer + 2 bytes for version number
902 buffer = kmalloc (buffer_size, GFP_KERNEL); 875 * (Firmware Record) */
876 buffer_size = (((1024 * 16) - 512 ) +
877 sizeof(struct ti_i2c_firmware_rec));
878
879 buffer = kmalloc(buffer_size, GFP_KERNEL);
903 if (!buffer) { 880 if (!buffer) {
904 dev_err (dev, "%s - out of memory\n", __func__); 881 dev_err(dev, "%s - out of memory\n", __func__);
905 return -ENOMEM; 882 return -ENOMEM;
906 } 883 }
907 884
908 // Set entire image of 0xffs 885 // Set entire image of 0xffs
909 memset (buffer, 0xff, buffer_size); 886 memset(buffer, 0xff, buffer_size);
910 887
911 err = request_firmware(&fw, fw_name, dev); 888 err = request_firmware(&fw, fw_name, dev);
912 if (err) { 889 if (err) {
@@ -921,16 +898,16 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev)
921 OperationalMinorVersion = fw->data[1]; 898 OperationalMinorVersion = fw->data[1];
922 OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); 899 OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8);
923 900
924 // Copy version number into firmware record 901 /* Copy version number into firmware record */
925 firmware_rec = (struct ti_i2c_firmware_rec *)buffer; 902 firmware_rec = (struct ti_i2c_firmware_rec *)buffer;
926 903
927 firmware_rec->Ver_Major = OperationalMajorVersion; 904 firmware_rec->Ver_Major = OperationalMajorVersion;
928 firmware_rec->Ver_Minor = OperationalMinorVersion; 905 firmware_rec->Ver_Minor = OperationalMinorVersion;
929 906
930 // Pointer to fw_down memory image 907 /* Pointer to fw_down memory image */
931 img_header = (struct ti_i2c_image_header *)&fw->data[4]; 908 img_header = (struct ti_i2c_image_header *)&fw->data[4];
932 909
933 memcpy (buffer + sizeof(struct ti_i2c_firmware_rec), 910 memcpy(buffer + sizeof(struct ti_i2c_firmware_rec),
934 &fw->data[4 + sizeof(struct ti_i2c_image_header)], 911 &fw->data[4 + sizeof(struct ti_i2c_image_header)],
935 le16_to_cpu(img_header->Length)); 912 le16_to_cpu(img_header->Length));
936 913
@@ -940,12 +917,12 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev)
940 cs = (__u8)(cs + buffer[i]); 917 cs = (__u8)(cs + buffer[i]);
941 } 918 }
942 919
943 kfree (buffer); 920 kfree(buffer);
944 921
945 // Build new header 922 /* Build new header */
946 i2c_header = (struct ti_i2c_desc *)header; 923 i2c_header = (struct ti_i2c_desc *)header;
947 firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; 924 firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data;
948 925
949 i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; 926 i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK;
950 i2c_header->Size = (__u16)buffer_size; 927 i2c_header->Size = (__u16)buffer_size;
951 i2c_header->CheckSum = cs; 928 i2c_header->CheckSum = cs;
@@ -956,103 +933,100 @@ static int BuildI2CFirmwareHeader (__u8 *header, struct device *dev)
956} 933}
957 934
958/* Try to figure out what type of I2c we have */ 935/* Try to figure out what type of I2c we have */
959static int TIGetI2cTypeInBootMode (struct edgeport_serial *serial) 936static int i2c_type_bootmode(struct edgeport_serial *serial)
960{ 937{
961 int status; 938 int status;
962 __u8 data; 939 __u8 data;
963 940
964 // Try to read type 2 941 /* Try to read type 2 */
965 status = TIReadVendorRequestSync (serial->serial->dev, 942 status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
966 UMPC_MEMORY_READ, // Request 943 DTK_ADDR_SPACE_I2C_TYPE_II, 0, &data, 0x01);
967 DTK_ADDR_SPACE_I2C_TYPE_II, // wValue (Address type)
968 0, // wIndex
969 &data, // TransferBuffer
970 0x01); // TransferBufferLength
971 if (status) 944 if (status)
972 dbg ("%s - read 2 status error = %d", __func__, status); 945 dbg("%s - read 2 status error = %d", __func__, status);
973 else 946 else
974 dbg ("%s - read 2 data = 0x%x", __func__, data); 947 dbg("%s - read 2 data = 0x%x", __func__, data);
975 if ((!status) && (data == UMP5152 || data == UMP3410)) { 948 if ((!status) && (data == UMP5152 || data == UMP3410)) {
976 dbg ("%s - ROM_TYPE_II", __func__); 949 dbg("%s - ROM_TYPE_II", __func__);
977 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; 950 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
978 return 0; 951 return 0;
979 } 952 }
980 953
981 // Try to read type 3 954 /* Try to read type 3 */
982 status = TIReadVendorRequestSync (serial->serial->dev, 955 status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
983 UMPC_MEMORY_READ, // Request 956 DTK_ADDR_SPACE_I2C_TYPE_III, 0, &data, 0x01);
984 DTK_ADDR_SPACE_I2C_TYPE_III, // wValue (Address type)
985 0, // wIndex
986 &data, // TransferBuffer
987 0x01); // TransferBufferLength
988 if (status) 957 if (status)
989 dbg ("%s - read 3 status error = %d", __func__, status); 958 dbg("%s - read 3 status error = %d", __func__, status);
990 else 959 else
991 dbg ("%s - read 2 data = 0x%x", __func__, data); 960 dbg("%s - read 2 data = 0x%x", __func__, data);
992 if ((!status) && (data == UMP5152 || data == UMP3410)) { 961 if ((!status) && (data == UMP5152 || data == UMP3410)) {
993 dbg ("%s - ROM_TYPE_III", __func__); 962 dbg("%s - ROM_TYPE_III", __func__);
994 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III; 963 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III;
995 return 0; 964 return 0;
996 } 965 }
997 966
998 dbg ("%s - Unknown", __func__); 967 dbg("%s - Unknown", __func__);
999 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; 968 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
1000 return -ENODEV; 969 return -ENODEV;
1001} 970}
1002 971
1003static int TISendBulkTransferSync (struct usb_serial *serial, void *buffer, int length, int *num_sent) 972static int bulk_xfer(struct usb_serial *serial, void *buffer,
973 int length, int *num_sent)
1004{ 974{
1005 int status; 975 int status;
1006 976
1007 status = usb_bulk_msg (serial->dev, 977 status = usb_bulk_msg(serial->dev,
1008 usb_sndbulkpipe(serial->dev, 978 usb_sndbulkpipe(serial->dev,
1009 serial->port[0]->bulk_out_endpointAddress), 979 serial->port[0]->bulk_out_endpointAddress),
1010 buffer, 980 buffer, length, num_sent, 1000);
1011 length,
1012 num_sent,
1013 1000);
1014 return status; 981 return status;
1015} 982}
1016 983
1017/* Download given firmware image to the device (IN BOOT MODE) */ 984/* Download given firmware image to the device (IN BOOT MODE) */
1018static int TIDownloadCodeImage (struct edgeport_serial *serial, __u8 *image, int image_length) 985static int download_code(struct edgeport_serial *serial, __u8 *image,
986 int image_length)
1019{ 987{
1020 int status = 0; 988 int status = 0;
1021 int pos; 989 int pos;
1022 int transfer; 990 int transfer;
1023 int done; 991 int done;
1024 992
1025 // Transfer firmware image 993 /* Transfer firmware image */
1026 for (pos = 0; pos < image_length; ) { 994 for (pos = 0; pos < image_length; ) {
1027 // Read the next buffer from file 995 /* Read the next buffer from file */
1028 transfer = image_length - pos; 996 transfer = image_length - pos;
1029 if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE) 997 if (transfer > EDGE_FW_BULK_MAX_PACKET_SIZE)
1030 transfer = EDGE_FW_BULK_MAX_PACKET_SIZE; 998 transfer = EDGE_FW_BULK_MAX_PACKET_SIZE;
1031 999
1032 // Transfer data 1000 /* Transfer data */
1033 status = TISendBulkTransferSync (serial->serial, &image[pos], transfer, &done); 1001 status = bulk_xfer(serial->serial, &image[pos],
1002 transfer, &done);
1034 if (status) 1003 if (status)
1035 break; 1004 break;
1036 // Advance buffer pointer 1005 /* Advance buffer pointer */
1037 pos += done; 1006 pos += done;
1038 } 1007 }
1039 1008
1040 return status; 1009 return status;
1041} 1010}
1042 1011
1043// FIXME!!! 1012/* FIXME!!! */
1044static int TIConfigureBootDevice (struct usb_device *dev) 1013static int config_boot_dev(struct usb_device *dev)
1045{ 1014{
1046 return 0; 1015 return 0;
1047} 1016}
1048 1017
1018static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc)
1019{
1020 return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev);
1021}
1022
1049/** 1023/**
1050 * DownloadTIFirmware - Download run-time operating firmware to the TI5052 1024 * DownloadTIFirmware - Download run-time operating firmware to the TI5052
1051 * 1025 *
1052 * This routine downloads the main operating code into the TI5052, using the 1026 * This routine downloads the main operating code into the TI5052, using the
1053 * boot code already burned into E2PROM or ROM. 1027 * boot code already burned into E2PROM or ROM.
1054 */ 1028 */
1055static int TIDownloadFirmware (struct edgeport_serial *serial) 1029static int download_fw(struct edgeport_serial *serial)
1056{ 1030{
1057 struct device *dev = &serial->serial->dev->dev; 1031 struct device *dev = &serial->serial->dev->dev;
1058 int status = 0; 1032 int status = 0;
@@ -1071,22 +1045,25 @@ static int TIDownloadFirmware (struct edgeport_serial *serial)
1071 /* Default to type 2 i2c */ 1045 /* Default to type 2 i2c */
1072 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; 1046 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
1073 1047
1074 status = TIChooseConfiguration (serial->serial->dev); 1048 status = choose_config(serial->serial->dev);
1075 if (status) 1049 if (status)
1076 return status; 1050 return status;
1077 1051
1078 interface = &serial->serial->interface->cur_altsetting->desc; 1052 interface = &serial->serial->interface->cur_altsetting->desc;
1079 if (!interface) { 1053 if (!interface) {
1080 dev_err (dev, "%s - no interface set, error!\n", __func__); 1054 dev_err(dev, "%s - no interface set, error!\n", __func__);
1081 return -ENODEV; 1055 return -ENODEV;
1082 } 1056 }
1083 1057
1084 // Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING 1058 /*
1085 // if we have more than one endpoint we are definitely in download mode 1059 * Setup initial mode -- the default mode 0 is TI_MODE_CONFIGURING
1060 * if we have more than one endpoint we are definitely in download
1061 * mode
1062 */
1086 if (interface->bNumEndpoints > 1) 1063 if (interface->bNumEndpoints > 1)
1087 serial->product_info.TiMode = TI_MODE_DOWNLOAD; 1064 serial->product_info.TiMode = TI_MODE_DOWNLOAD;
1088 else 1065 else
1089 // Otherwise we will remain in configuring mode 1066 /* Otherwise we will remain in configuring mode */
1090 serial->product_info.TiMode = TI_MODE_CONFIGURING; 1067 serial->product_info.TiMode = TI_MODE_CONFIGURING;
1091 1068
1092 /********************************************************************/ 1069 /********************************************************************/
@@ -1097,256 +1074,273 @@ static int TIDownloadFirmware (struct edgeport_serial *serial)
1097 1074
1098 dbg("%s - RUNNING IN DOWNLOAD MODE", __func__); 1075 dbg("%s - RUNNING IN DOWNLOAD MODE", __func__);
1099 1076
1100 status = TiValidateI2cImage (serial); 1077 status = check_i2c_image(serial);
1101 if (status) { 1078 if (status) {
1102 dbg("%s - DOWNLOAD MODE -- BAD I2C", __func__); 1079 dbg("%s - DOWNLOAD MODE -- BAD I2C", __func__);
1103 return status; 1080 return status;
1104 } 1081 }
1105 1082
1106 /* Validate Hardware version number 1083 /* Validate Hardware version number
1107 * Read Manufacturing Descriptor from TI Based Edgeport 1084 * Read Manufacturing Descriptor from TI Based Edgeport
1108 */ 1085 */
1109 ti_manuf_desc = kmalloc (sizeof (*ti_manuf_desc), GFP_KERNEL); 1086 ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL);
1110 if (!ti_manuf_desc) { 1087 if (!ti_manuf_desc) {
1111 dev_err (dev, "%s - out of memory.\n", __func__); 1088 dev_err(dev, "%s - out of memory.\n", __func__);
1112 return -ENOMEM; 1089 return -ENOMEM;
1113 } 1090 }
1114 status = TIReadManufDescriptor (serial, (__u8 *)ti_manuf_desc); 1091 status = get_manuf_info(serial, (__u8 *)ti_manuf_desc);
1115 if (status) { 1092 if (status) {
1116 kfree (ti_manuf_desc); 1093 kfree(ti_manuf_desc);
1117 return status; 1094 return status;
1118 } 1095 }
1119 1096
1120 // Check version number of ION descriptor 1097 /* Check version number of ION descriptor */
1121 if (!ignore_cpu_rev && TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev) < 2) { 1098 if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) {
1122 dbg ( "%s - Wrong CPU Rev %d (Must be 2)", __func__, 1099 dbg("%s - Wrong CPU Rev %d (Must be 2)",
1123 TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev)); 1100 __func__, ti_cpu_rev(ti_manuf_desc));
1124 kfree (ti_manuf_desc); 1101 kfree(ti_manuf_desc);
1125 return -EINVAL; 1102 return -EINVAL;
1126 } 1103 }
1127 1104
1128 rom_desc = kmalloc (sizeof (*rom_desc), GFP_KERNEL); 1105 rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL);
1129 if (!rom_desc) { 1106 if (!rom_desc) {
1130 dev_err (dev, "%s - out of memory.\n", __func__); 1107 dev_err(dev, "%s - out of memory.\n", __func__);
1131 kfree (ti_manuf_desc); 1108 kfree(ti_manuf_desc);
1132 return -ENOMEM; 1109 return -ENOMEM;
1133 } 1110 }
1134 1111
1135 // Search for type 2 record (firmware record) 1112 /* Search for type 2 record (firmware record) */
1136 if ((start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc)) != 0) { 1113 start_address = get_descriptor_addr(serial,
1114 I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc);
1115 if (start_address != 0) {
1137 struct ti_i2c_firmware_rec *firmware_version; 1116 struct ti_i2c_firmware_rec *firmware_version;
1138 __u8 record; 1117 __u8 record;
1139 1118
1140 dbg ("%s - Found Type FIRMWARE (Type 2) record", __func__); 1119 dbg("%s - Found Type FIRMWARE (Type 2) record",
1120 __func__);
1141 1121
1142 firmware_version = kmalloc (sizeof (*firmware_version), GFP_KERNEL); 1122 firmware_version = kmalloc(sizeof(*firmware_version),
1123 GFP_KERNEL);
1143 if (!firmware_version) { 1124 if (!firmware_version) {
1144 dev_err (dev, "%s - out of memory.\n", __func__); 1125 dev_err(dev, "%s - out of memory.\n", __func__);
1145 kfree (rom_desc); 1126 kfree(rom_desc);
1146 kfree (ti_manuf_desc); 1127 kfree(ti_manuf_desc);
1147 return -ENOMEM; 1128 return -ENOMEM;
1148 } 1129 }
1149 1130
1150 // Validate version number 1131 /* Validate version number
1151 // Read the descriptor data 1132 * Read the descriptor data
1152 status = TIReadRom (serial, 1133 */
1153 start_address+sizeof(struct ti_i2c_desc), 1134 status = read_rom(serial, start_address +
1135 sizeof(struct ti_i2c_desc),
1154 sizeof(struct ti_i2c_firmware_rec), 1136 sizeof(struct ti_i2c_firmware_rec),
1155 (__u8 *)firmware_version); 1137 (__u8 *)firmware_version);
1156 if (status) { 1138 if (status) {
1157 kfree (firmware_version); 1139 kfree(firmware_version);
1158 kfree (rom_desc); 1140 kfree(rom_desc);
1159 kfree (ti_manuf_desc); 1141 kfree(ti_manuf_desc);
1160 return status; 1142 return status;
1161 } 1143 }
1162 1144
1163 // Check version number of download with current version in I2c 1145 /* Check version number of download with current
1164 download_cur_ver = (firmware_version->Ver_Major << 8) + 1146 version in I2c */
1147 download_cur_ver = (firmware_version->Ver_Major << 8) +
1165 (firmware_version->Ver_Minor); 1148 (firmware_version->Ver_Minor);
1166 download_new_ver = (OperationalMajorVersion << 8) + 1149 download_new_ver = (OperationalMajorVersion << 8) +
1167 (OperationalMinorVersion); 1150 (OperationalMinorVersion);
1168 1151
1169 dbg ("%s - >>>Firmware Versions Device %d.%d Driver %d.%d", 1152 dbg("%s - >> FW Versions Device %d.%d Driver %d.%d",
1170 __func__, 1153 __func__,
1171 firmware_version->Ver_Major, 1154 firmware_version->Ver_Major,
1172 firmware_version->Ver_Minor, 1155 firmware_version->Ver_Minor,
1173 OperationalMajorVersion, 1156 OperationalMajorVersion,
1174 OperationalMinorVersion); 1157 OperationalMinorVersion);
1175 1158
1176 // Check if we have an old version in the I2C and update if necessary 1159 /* Check if we have an old version in the I2C and
1160 update if necessary */
1177 if (download_cur_ver != download_new_ver) { 1161 if (download_cur_ver != download_new_ver) {
1178 dbg ("%s - Update I2C Download from %d.%d to %d.%d", 1162 dbg("%s - Update I2C dld from %d.%d to %d.%d",
1179 __func__, 1163 __func__,
1180 firmware_version->Ver_Major, 1164 firmware_version->Ver_Major,
1181 firmware_version->Ver_Minor, 1165 firmware_version->Ver_Minor,
1182 OperationalMajorVersion, 1166 OperationalMajorVersion,
1183 OperationalMinorVersion); 1167 OperationalMinorVersion);
1184 1168
1185 // In order to update the I2C firmware we must change the type 2 record to type 0xF2. 1169 /* In order to update the I2C firmware we must
1186 // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver 1170 * change the type 2 record to type 0xF2. This
1187 // will download the latest firmware (padded to 15.5k) into the UMP ram. 1171 * will force the UMP to come up in Boot Mode.
1188 // And finally when the device comes back up in download mode the driver will cause 1172 * Then while in boot mode, the driver will
1189 // the new firmware to be copied from the UMP Ram to I2C and the firmware will update 1173 * download the latest firmware (padded to
1190 // the record type from 0xf2 to 0x02. 1174 * 15.5k) into the UMP ram. Finally when the
1191 1175 * device comes back up in download mode the
1176 * driver will cause the new firmware to be
1177 * copied from the UMP Ram to I2C and the
1178 * firmware will update the record type from
1179 * 0xf2 to 0x02.
1180 */
1192 record = I2C_DESC_TYPE_FIRMWARE_BLANK; 1181 record = I2C_DESC_TYPE_FIRMWARE_BLANK;
1193 1182
1194 // Change the I2C Firmware record type to 0xf2 to trigger an update 1183 /* Change the I2C Firmware record type to
1195 status = TIWriteRom (serial, 1184 0xf2 to trigger an update */
1196 start_address, 1185 status = write_rom(serial, start_address,
1197 sizeof(record), 1186 sizeof(record), &record);
1198 &record);
1199 if (status) { 1187 if (status) {
1200 kfree (firmware_version); 1188 kfree(firmware_version);
1201 kfree (rom_desc); 1189 kfree(rom_desc);
1202 kfree (ti_manuf_desc); 1190 kfree(ti_manuf_desc);
1203 return status; 1191 return status;
1204 } 1192 }
1205 1193
1206 // verify the write -- must do this in order for write to 1194 /* verify the write -- must do this in order
1207 // complete before we do the hardware reset 1195 * for write to complete before we do the
1208 status = TIReadRom (serial, 1196 * hardware reset
1197 */
1198 status = read_rom(serial,
1209 start_address, 1199 start_address,
1210 sizeof(record), 1200 sizeof(record),
1211 &record); 1201 &record);
1212
1213 if (status) { 1202 if (status) {
1214 kfree (firmware_version); 1203 kfree(firmware_version);
1215 kfree (rom_desc); 1204 kfree(rom_desc);
1216 kfree (ti_manuf_desc); 1205 kfree(ti_manuf_desc);
1217 return status; 1206 return status;
1218 } 1207 }
1219 1208
1220 if (record != I2C_DESC_TYPE_FIRMWARE_BLANK) { 1209 if (record != I2C_DESC_TYPE_FIRMWARE_BLANK) {
1221 dev_err (dev, "%s - error resetting device\n", __func__); 1210 dev_err(dev,
1222 kfree (firmware_version); 1211 "%s - error resetting device\n",
1223 kfree (rom_desc); 1212 __func__);
1224 kfree (ti_manuf_desc); 1213 kfree(firmware_version);
1214 kfree(rom_desc);
1215 kfree(ti_manuf_desc);
1225 return -ENODEV; 1216 return -ENODEV;
1226 } 1217 }
1227 1218
1228 dbg ("%s - HARDWARE RESET", __func__); 1219 dbg("%s - HARDWARE RESET", __func__);
1229 1220
1230 // Reset UMP -- Back to BOOT MODE 1221 /* Reset UMP -- Back to BOOT MODE */
1231 status = TISendVendorRequestSync (serial->serial->dev, 1222 status = ti_vsend_sync(serial->serial->dev,
1232 UMPC_HARDWARE_RESET, // Request 1223 UMPC_HARDWARE_RESET,
1233 0, // wValue 1224 0, 0, NULL, 0);
1234 0, // wIndex
1235 NULL, // TransferBuffer
1236 0); // TransferBufferLength
1237 1225
1238 dbg ( "%s - HARDWARE RESET return %d", __func__, status); 1226 dbg("%s - HARDWARE RESET return %d",
1227 __func__, status);
1239 1228
1240 /* return an error on purpose. */ 1229 /* return an error on purpose. */
1241 kfree (firmware_version); 1230 kfree(firmware_version);
1242 kfree (rom_desc); 1231 kfree(rom_desc);
1243 kfree (ti_manuf_desc); 1232 kfree(ti_manuf_desc);
1244 return -ENODEV; 1233 return -ENODEV;
1245 } 1234 }
1246 kfree (firmware_version); 1235 kfree(firmware_version);
1247 } 1236 }
1248 // Search for type 0xF2 record (firmware blank record) 1237 /* Search for type 0xF2 record (firmware blank record) */
1249 else if ((start_address = TIGetDescriptorAddress (serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { 1238 else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) {
1250 #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + sizeof(struct ti_i2c_firmware_rec)) 1239#define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \
1240 sizeof(struct ti_i2c_firmware_rec))
1251 __u8 *header; 1241 __u8 *header;
1252 __u8 *vheader; 1242 __u8 *vheader;
1253 1243
1254 header = kmalloc (HEADER_SIZE, GFP_KERNEL); 1244 header = kmalloc(HEADER_SIZE, GFP_KERNEL);
1255 if (!header) { 1245 if (!header) {
1256 dev_err (dev, "%s - out of memory.\n", __func__); 1246 dev_err(dev, "%s - out of memory.\n", __func__);
1257 kfree (rom_desc); 1247 kfree(rom_desc);
1258 kfree (ti_manuf_desc); 1248 kfree(ti_manuf_desc);
1259 return -ENOMEM; 1249 return -ENOMEM;
1260 } 1250 }
1261 1251
1262 vheader = kmalloc (HEADER_SIZE, GFP_KERNEL); 1252 vheader = kmalloc(HEADER_SIZE, GFP_KERNEL);
1263 if (!vheader) { 1253 if (!vheader) {
1264 dev_err (dev, "%s - out of memory.\n", __func__); 1254 dev_err(dev, "%s - out of memory.\n", __func__);
1265 kfree (header); 1255 kfree(header);
1266 kfree (rom_desc); 1256 kfree(rom_desc);
1267 kfree (ti_manuf_desc); 1257 kfree(ti_manuf_desc);
1268 return -ENOMEM; 1258 return -ENOMEM;
1269 } 1259 }
1270 1260
1271 dbg ("%s - Found Type BLANK FIRMWARE (Type F2) record", __func__); 1261 dbg("%s - Found Type BLANK FIRMWARE (Type F2) record",
1272 1262 __func__);
1273 // In order to update the I2C firmware we must change the type 2 record to type 0xF2. 1263
1274 // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver 1264 /*
1275 // will download the latest firmware (padded to 15.5k) into the UMP ram. 1265 * In order to update the I2C firmware we must change
1276 // And finally when the device comes back up in download mode the driver will cause 1266 * the type 2 record to type 0xF2. This will force the
1277 // the new firmware to be copied from the UMP Ram to I2C and the firmware will update 1267 * UMP to come up in Boot Mode. Then while in boot
1278 // the record type from 0xf2 to 0x02. 1268 * mode, the driver will download the latest firmware
1279 status = BuildI2CFirmwareHeader(header, dev); 1269 * (padded to 15.5k) into the UMP ram. Finally when the
1270 * device comes back up in download mode the driver
1271 * will cause the new firmware to be copied from the
1272 * UMP Ram to I2C and the firmware will update the
1273 * record type from 0xf2 to 0x02.
1274 */
1275 status = build_i2c_fw_hdr(header, dev);
1280 if (status) { 1276 if (status) {
1281 kfree (vheader); 1277 kfree(vheader);
1282 kfree (header); 1278 kfree(header);
1283 kfree (rom_desc); 1279 kfree(rom_desc);
1284 kfree (ti_manuf_desc); 1280 kfree(ti_manuf_desc);
1285 return status; 1281 return status;
1286 } 1282 }
1287 1283
1288 // Update I2C with type 0xf2 record with correct size and checksum 1284 /* Update I2C with type 0xf2 record with correct
1289 status = TIWriteRom (serial, 1285 size and checksum */
1286 status = write_rom(serial,
1290 start_address, 1287 start_address,
1291 HEADER_SIZE, 1288 HEADER_SIZE,
1292 header); 1289 header);
1293 if (status) { 1290 if (status) {
1294 kfree (vheader); 1291 kfree(vheader);
1295 kfree (header); 1292 kfree(header);
1296 kfree (rom_desc); 1293 kfree(rom_desc);
1297 kfree (ti_manuf_desc); 1294 kfree(ti_manuf_desc);
1298 return status; 1295 return status;
1299 } 1296 }
1300 1297
1301 // verify the write -- must do this in order for write to 1298 /* verify the write -- must do this in order for
1302 // complete before we do the hardware reset 1299 write to complete before we do the hardware reset */
1303 status = TIReadRom (serial, 1300 status = read_rom(serial, start_address,
1304 start_address, 1301 HEADER_SIZE, vheader);
1305 HEADER_SIZE,
1306 vheader);
1307 1302
1308 if (status) { 1303 if (status) {
1309 dbg ("%s - can't read header back", __func__); 1304 dbg("%s - can't read header back", __func__);
1310 kfree (vheader); 1305 kfree(vheader);
1311 kfree (header); 1306 kfree(header);
1312 kfree (rom_desc); 1307 kfree(rom_desc);
1313 kfree (ti_manuf_desc); 1308 kfree(ti_manuf_desc);
1314 return status; 1309 return status;
1315 } 1310 }
1316 if (memcmp(vheader, header, HEADER_SIZE)) { 1311 if (memcmp(vheader, header, HEADER_SIZE)) {
1317 dbg ("%s - write download record failed", __func__); 1312 dbg("%s - write download record failed",
1318 kfree (vheader); 1313 __func__);
1319 kfree (header); 1314 kfree(vheader);
1320 kfree (rom_desc); 1315 kfree(header);
1321 kfree (ti_manuf_desc); 1316 kfree(rom_desc);
1317 kfree(ti_manuf_desc);
1322 return status; 1318 return status;
1323 } 1319 }
1324 1320
1325 kfree (vheader); 1321 kfree(vheader);
1326 kfree (header); 1322 kfree(header);
1327 1323
1328 dbg ("%s - Start firmware update", __func__); 1324 dbg("%s - Start firmware update", __func__);
1329 1325
1330 // Tell firmware to copy download image into I2C 1326 /* Tell firmware to copy download image into I2C */
1331 status = TISendVendorRequestSync (serial->serial->dev, 1327 status = ti_vsend_sync(serial->serial->dev,
1332 UMPC_COPY_DNLD_TO_I2C, // Request 1328 UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0);
1333 0, // wValue
1334 0, // wIndex
1335 NULL, // TransferBuffer
1336 0); // TransferBufferLength
1337 1329
1338 dbg ("%s - Update complete 0x%x", __func__, status); 1330 dbg("%s - Update complete 0x%x", __func__, status);
1339 if (status) { 1331 if (status) {
1340 dev_err (dev, "%s - UMPC_COPY_DNLD_TO_I2C failed\n", __func__); 1332 dev_err(dev,
1341 kfree (rom_desc); 1333 "%s - UMPC_COPY_DNLD_TO_I2C failed\n",
1342 kfree (ti_manuf_desc); 1334 __func__);
1335 kfree(rom_desc);
1336 kfree(ti_manuf_desc);
1343 return status; 1337 return status;
1344 } 1338 }
1345 } 1339 }
1346 1340
1347 // The device is running the download code 1341 // The device is running the download code
1348 kfree (rom_desc); 1342 kfree(rom_desc);
1349 kfree (ti_manuf_desc); 1343 kfree(ti_manuf_desc);
1350 return 0; 1344 return 0;
1351 } 1345 }
1352 1346
@@ -1355,32 +1349,26 @@ static int TIDownloadFirmware (struct edgeport_serial *serial)
1355 /********************************************************************/ 1349 /********************************************************************/
1356 dbg("%s - RUNNING IN BOOT MODE", __func__); 1350 dbg("%s - RUNNING IN BOOT MODE", __func__);
1357 1351
1358 // Configure the TI device so we can use the BULK pipes for download 1352 /* Configure the TI device so we can use the BULK pipes for download */
1359 status = TIConfigureBootDevice (serial->serial->dev); 1353 status = config_boot_dev(serial->serial->dev);
1360 if (status) 1354 if (status)
1361 return status; 1355 return status;
1362 1356
1363 if (le16_to_cpu(serial->serial->dev->descriptor.idVendor) != USB_VENDOR_ID_ION) { 1357 if (le16_to_cpu(serial->serial->dev->descriptor.idVendor)
1364 dbg ("%s - VID = 0x%x", __func__, 1358 != USB_VENDOR_ID_ION) {
1359 dbg("%s - VID = 0x%x", __func__,
1365 le16_to_cpu(serial->serial->dev->descriptor.idVendor)); 1360 le16_to_cpu(serial->serial->dev->descriptor.idVendor));
1366 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II; 1361 serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
1367 goto StayInBootMode; 1362 goto stayinbootmode;
1368 }
1369
1370 // We have an ION device (I2c Must be programmed)
1371 // Determine I2C image type
1372 if (TIGetI2cTypeInBootMode(serial)) {
1373 goto StayInBootMode;
1374 } 1363 }
1375 1364
1376 // Registry variable set? 1365 /* We have an ION device (I2c Must be programmed)
1377 if (TIStayInBootMode) { 1366 Determine I2C image type */
1378 dbg ("%s - TIStayInBootMode", __func__); 1367 if (i2c_type_bootmode(serial))
1379 goto StayInBootMode; 1368 goto stayinbootmode;
1380 }
1381 1369
1382 // Check for ION Vendor ID and that the I2C is valid 1370 /* Check for ION Vendor ID and that the I2C is valid */
1383 if (!TiValidateI2cImage(serial)) { 1371 if (!check_i2c_image(serial)) {
1384 struct ti_i2c_image_header *header; 1372 struct ti_i2c_image_header *header;
1385 int i; 1373 int i;
1386 __u8 cs = 0; 1374 __u8 cs = 0;
@@ -1393,49 +1381,52 @@ static int TIDownloadFirmware (struct edgeport_serial *serial)
1393 /* Validate Hardware version number 1381 /* Validate Hardware version number
1394 * Read Manufacturing Descriptor from TI Based Edgeport 1382 * Read Manufacturing Descriptor from TI Based Edgeport
1395 */ 1383 */
1396 ti_manuf_desc = kmalloc (sizeof (*ti_manuf_desc), GFP_KERNEL); 1384 ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL);
1397 if (!ti_manuf_desc) { 1385 if (!ti_manuf_desc) {
1398 dev_err (dev, "%s - out of memory.\n", __func__); 1386 dev_err(dev, "%s - out of memory.\n", __func__);
1399 return -ENOMEM; 1387 return -ENOMEM;
1400 } 1388 }
1401 status = TIReadManufDescriptor (serial, (__u8 *)ti_manuf_desc); 1389 status = get_manuf_info(serial, (__u8 *)ti_manuf_desc);
1402 if (status) { 1390 if (status) {
1403 kfree (ti_manuf_desc); 1391 kfree(ti_manuf_desc);
1404 goto StayInBootMode; 1392 goto stayinbootmode;
1405 } 1393 }
1406 1394
1407 // Check for version 2 1395 /* Check for version 2 */
1408 if (!ignore_cpu_rev && TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev) < 2) { 1396 if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) {
1409 dbg ("%s - Wrong CPU Rev %d (Must be 2)", __func__, 1397 dbg("%s - Wrong CPU Rev %d (Must be 2)",
1410 TI_GET_CPU_REVISION(ti_manuf_desc->CpuRev_BoardRev)); 1398 __func__, ti_cpu_rev(ti_manuf_desc));
1411 kfree (ti_manuf_desc); 1399 kfree(ti_manuf_desc);
1412 goto StayInBootMode; 1400 goto stayinbootmode;
1413 } 1401 }
1414 1402
1415 kfree (ti_manuf_desc); 1403 kfree(ti_manuf_desc);
1416 1404
1417 // In order to update the I2C firmware we must change the type 2 record to type 0xF2.
1418 // This will force the UMP to come up in Boot Mode. Then while in boot mode, the driver
1419 // will download the latest firmware (padded to 15.5k) into the UMP ram.
1420 // And finally when the device comes back up in download mode the driver will cause
1421 // the new firmware to be copied from the UMP Ram to I2C and the firmware will update
1422 // the record type from 0xf2 to 0x02.
1423
1424 /* 1405 /*
1406 * In order to update the I2C firmware we must change the type
1407 * 2 record to type 0xF2. This will force the UMP to come up
1408 * in Boot Mode. Then while in boot mode, the driver will
1409 * download the latest firmware (padded to 15.5k) into the
1410 * UMP ram. Finally when the device comes back up in download
1411 * mode the driver will cause the new firmware to be copied
1412 * from the UMP Ram to I2C and the firmware will update the
1413 * record type from 0xf2 to 0x02.
1414 *
1425 * Do we really have to copy the whole firmware image, 1415 * Do we really have to copy the whole firmware image,
1426 * or could we do this in place! 1416 * or could we do this in place!
1427 */ 1417 */
1428 1418
1429 // Allocate a 15.5k buffer + 3 byte header 1419 /* Allocate a 15.5k buffer + 3 byte header */
1430 buffer_size = (((1024 * 16) - 512) + sizeof(struct ti_i2c_image_header)); 1420 buffer_size = (((1024 * 16) - 512) +
1431 buffer = kmalloc (buffer_size, GFP_KERNEL); 1421 sizeof(struct ti_i2c_image_header));
1422 buffer = kmalloc(buffer_size, GFP_KERNEL);
1432 if (!buffer) { 1423 if (!buffer) {
1433 dev_err (dev, "%s - out of memory\n", __func__); 1424 dev_err(dev, "%s - out of memory\n", __func__);
1434 return -ENOMEM; 1425 return -ENOMEM;
1435 } 1426 }
1436 1427
1437 // Initialize the buffer to 0xff (pad the buffer) 1428 /* Initialize the buffer to 0xff (pad the buffer) */
1438 memset (buffer, 0xff, buffer_size); 1429 memset(buffer, 0xff, buffer_size);
1439 1430
1440 err = request_firmware(&fw, fw_name, dev); 1431 err = request_firmware(&fw, fw_name, dev);
1441 if (err) { 1432 if (err) {
@@ -1447,38 +1438,43 @@ static int TIDownloadFirmware (struct edgeport_serial *serial)
1447 memcpy(buffer, &fw->data[4], fw->size - 4); 1438 memcpy(buffer, &fw->data[4], fw->size - 4);
1448 release_firmware(fw); 1439 release_firmware(fw);
1449 1440
1450 for(i = sizeof(struct ti_i2c_image_header); i < buffer_size; i++) { 1441 for (i = sizeof(struct ti_i2c_image_header);
1442 i < buffer_size; i++) {
1451 cs = (__u8)(cs + buffer[i]); 1443 cs = (__u8)(cs + buffer[i]);
1452 } 1444 }
1453 1445
1454 header = (struct ti_i2c_image_header *)buffer; 1446 header = (struct ti_i2c_image_header *)buffer;
1455 1447
1456 // update length and checksum after padding 1448 /* update length and checksum after padding */
1457 header->Length = cpu_to_le16((__u16)(buffer_size - sizeof(struct ti_i2c_image_header))); 1449 header->Length = cpu_to_le16((__u16)(buffer_size -
1450 sizeof(struct ti_i2c_image_header)));
1458 header->CheckSum = cs; 1451 header->CheckSum = cs;
1459 1452
1460 // Download the operational code 1453 /* Download the operational code */
1461 dbg ("%s - Downloading operational code image (TI UMP)", __func__); 1454 dbg("%s - Downloading operational code image (TI UMP)",
1462 status = TIDownloadCodeImage (serial, buffer, buffer_size); 1455 __func__);
1456 status = download_code(serial, buffer, buffer_size);
1463 1457
1464 kfree (buffer); 1458 kfree(buffer);
1465 1459
1466 if (status) { 1460 if (status) {
1467 dbg ("%s - Error downloading operational code image", __func__); 1461 dbg("%s - Error downloading operational code image",
1462 __func__);
1468 return status; 1463 return status;
1469 } 1464 }
1470 1465
1471 // Device will reboot 1466 /* Device will reboot */
1472 serial->product_info.TiMode = TI_MODE_TRANSITIONING; 1467 serial->product_info.TiMode = TI_MODE_TRANSITIONING;
1473 1468
1474 dbg ("%s - Download successful -- Device rebooting...", __func__); 1469 dbg("%s - Download successful -- Device rebooting...",
1470 __func__);
1475 1471
1476 /* return an error on purpose */ 1472 /* return an error on purpose */
1477 return -ENODEV; 1473 return -ENODEV;
1478 } 1474 }
1479 1475
1480StayInBootMode: 1476stayinbootmode:
1481 // Eprom is invalid or blank stay in boot mode 1477 /* Eprom is invalid or blank stay in boot mode */
1482 dbg("%s - STAYING IN BOOT MODE", __func__); 1478 dbg("%s - STAYING IN BOOT MODE", __func__);
1483 serial->product_info.TiMode = TI_MODE_BOOT; 1479 serial->product_info.TiMode = TI_MODE_BOOT;
1484 1480
@@ -1486,156 +1482,33 @@ StayInBootMode:
1486} 1482}
1487 1483
1488 1484
1489static int TISetDtr (struct edgeport_port *port) 1485static int ti_do_config(struct edgeport_port *port, int feature, int on)
1490{ 1486{
1491 int port_number = port->port->number - port->port->serial->minor; 1487 int port_number = port->port->number - port->port->serial->minor;
1492 1488 on = !!on; /* 1 or 0 not bitmask */
1493 dbg ("%s", __func__); 1489 return send_cmd(port->port->serial->dev,
1494 port->shadow_mcr |= MCR_DTR; 1490 feature, (__u8)(UMPM_UART1_PORT + port_number),
1495 1491 on, NULL, 0);
1496 return TIWriteCommandSync (port->port->serial->dev,
1497 UMPC_SET_CLR_DTR,
1498 (__u8)(UMPM_UART1_PORT + port_number),
1499 1, /* set */
1500 NULL,
1501 0);
1502} 1492}
1503 1493
1504static int TIClearDtr (struct edgeport_port *port)
1505{
1506 int port_number = port->port->number - port->port->serial->minor;
1507
1508 dbg ("%s", __func__);
1509 port->shadow_mcr &= ~MCR_DTR;
1510 1494
1511 return TIWriteCommandSync (port->port->serial->dev, 1495static int restore_mcr(struct edgeport_port *port, __u8 mcr)
1512 UMPC_SET_CLR_DTR,
1513 (__u8)(UMPM_UART1_PORT + port_number),
1514 0, /* clear */
1515 NULL,
1516 0);
1517}
1518
1519static int TISetRts (struct edgeport_port *port)
1520{
1521 int port_number = port->port->number - port->port->serial->minor;
1522
1523 dbg ("%s", __func__);
1524 port->shadow_mcr |= MCR_RTS;
1525
1526 return TIWriteCommandSync (port->port->serial->dev,
1527 UMPC_SET_CLR_RTS,
1528 (__u8)(UMPM_UART1_PORT + port_number),
1529 1, /* set */
1530 NULL,
1531 0);
1532}
1533
1534static int TIClearRts (struct edgeport_port *port)
1535{
1536 int port_number = port->port->number - port->port->serial->minor;
1537
1538 dbg ("%s", __func__);
1539 port->shadow_mcr &= ~MCR_RTS;
1540
1541 return TIWriteCommandSync (port->port->serial->dev,
1542 UMPC_SET_CLR_RTS,
1543 (__u8)(UMPM_UART1_PORT + port_number),
1544 0, /* clear */
1545 NULL,
1546 0);
1547}
1548
1549static int TISetLoopBack (struct edgeport_port *port)
1550{
1551 int port_number = port->port->number - port->port->serial->minor;
1552
1553 dbg ("%s", __func__);
1554
1555 return TIWriteCommandSync (port->port->serial->dev,
1556 UMPC_SET_CLR_LOOPBACK,
1557 (__u8)(UMPM_UART1_PORT + port_number),
1558 1, /* set */
1559 NULL,
1560 0);
1561}
1562
1563static int TIClearLoopBack (struct edgeport_port *port)
1564{
1565 int port_number = port->port->number - port->port->serial->minor;
1566
1567 dbg ("%s", __func__);
1568
1569 return TIWriteCommandSync (port->port->serial->dev,
1570 UMPC_SET_CLR_LOOPBACK,
1571 (__u8)(UMPM_UART1_PORT + port_number),
1572 0, /* clear */
1573 NULL,
1574 0);
1575}
1576
1577static int TISetBreak (struct edgeport_port *port)
1578{
1579 int port_number = port->port->number - port->port->serial->minor;
1580
1581 dbg ("%s", __func__);
1582
1583 return TIWriteCommandSync (port->port->serial->dev,
1584 UMPC_SET_CLR_BREAK,
1585 (__u8)(UMPM_UART1_PORT + port_number),
1586 1, /* set */
1587 NULL,
1588 0);
1589}
1590
1591static int TIClearBreak (struct edgeport_port *port)
1592{
1593 int port_number = port->port->number - port->port->serial->minor;
1594
1595 dbg ("%s", __func__);
1596
1597 return TIWriteCommandSync (port->port->serial->dev,
1598 UMPC_SET_CLR_BREAK,
1599 (__u8)(UMPM_UART1_PORT + port_number),
1600 0, /* clear */
1601 NULL,
1602 0);
1603}
1604
1605static int TIRestoreMCR (struct edgeport_port *port, __u8 mcr)
1606{ 1496{
1607 int status = 0; 1497 int status = 0;
1608 1498
1609 dbg ("%s - %x", __func__, mcr); 1499 dbg("%s - %x", __func__, mcr);
1610
1611 if (mcr & MCR_DTR)
1612 status = TISetDtr (port);
1613 else
1614 status = TIClearDtr (port);
1615 1500
1501 status = ti_do_config(port, UMPC_SET_CLR_DTR, mcr & MCR_DTR);
1616 if (status) 1502 if (status)
1617 return status; 1503 return status;
1618 1504 status = ti_do_config(port, UMPC_SET_CLR_RTS, mcr & MCR_RTS);
1619 if (mcr & MCR_RTS)
1620 status = TISetRts (port);
1621 else
1622 status = TIClearRts (port);
1623
1624 if (status) 1505 if (status)
1625 return status; 1506 return status;
1626 1507 return ti_do_config(port, UMPC_SET_CLR_LOOPBACK, mcr & MCR_LOOPBACK);
1627 if (mcr & MCR_LOOPBACK)
1628 status = TISetLoopBack (port);
1629 else
1630 status = TIClearLoopBack (port);
1631
1632 return status;
1633} 1508}
1634 1509
1635
1636
1637/* Convert TI LSR to standard UART flags */ 1510/* Convert TI LSR to standard UART flags */
1638static __u8 MapLineStatus (__u8 ti_lsr) 1511static __u8 map_line_status(__u8 ti_lsr)
1639{ 1512{
1640 __u8 lsr = 0; 1513 __u8 lsr = 0;
1641 1514
@@ -1647,22 +1520,23 @@ static __u8 MapLineStatus (__u8 ti_lsr)
1647 MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */ 1520 MAP_FLAG(UMP_UART_LSR_PE_MASK, LSR_PAR_ERR) /* parity error */
1648 MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */ 1521 MAP_FLAG(UMP_UART_LSR_FE_MASK, LSR_FRM_ERR) /* framing error */
1649 MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */ 1522 MAP_FLAG(UMP_UART_LSR_BR_MASK, LSR_BREAK) /* break detected */
1650 MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* receive data available */ 1523 MAP_FLAG(UMP_UART_LSR_RX_MASK, LSR_RX_AVAIL) /* rx data available */
1651 MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* transmit holding register empty */ 1524 MAP_FLAG(UMP_UART_LSR_TX_MASK, LSR_TX_EMPTY) /* tx hold reg empty */
1652 1525
1653#undef MAP_FLAG 1526#undef MAP_FLAG
1654 1527
1655 return lsr; 1528 return lsr;
1656} 1529}
1657 1530
1658static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr) 1531static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr)
1659{ 1532{
1660 struct async_icount *icount; 1533 struct async_icount *icount;
1661 struct tty_struct *tty; 1534 struct tty_struct *tty;
1662 1535
1663 dbg ("%s - %02x", __func__, msr); 1536 dbg("%s - %02x", __func__, msr);
1664 1537
1665 if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) { 1538 if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR |
1539 EDGEPORT_MSR_DELTA_RI | EDGEPORT_MSR_DELTA_CD)) {
1666 icount = &edge_port->icount; 1540 icount = &edge_port->icount;
1667 1541
1668 /* update input line counters */ 1542 /* update input line counters */
@@ -1674,7 +1548,7 @@ static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr)
1674 icount->dcd++; 1548 icount->dcd++;
1675 if (msr & EDGEPORT_MSR_DELTA_RI) 1549 if (msr & EDGEPORT_MSR_DELTA_RI)
1676 icount->rng++; 1550 icount->rng++;
1677 wake_up_interruptible (&edge_port->delta_msr_wait); 1551 wake_up_interruptible(&edge_port->delta_msr_wait);
1678 } 1552 }
1679 1553
1680 /* Save the new modem status */ 1554 /* Save the new modem status */
@@ -1694,26 +1568,28 @@ static void handle_new_msr (struct edgeport_port *edge_port, __u8 msr)
1694 return; 1568 return;
1695} 1569}
1696 1570
1697static void handle_new_lsr (struct edgeport_port *edge_port, int lsr_data, __u8 lsr, __u8 data) 1571static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
1572 __u8 lsr, __u8 data)
1698{ 1573{
1699 struct async_icount *icount; 1574 struct async_icount *icount;
1700 __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | LSR_FRM_ERR | LSR_BREAK)); 1575 __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR |
1576 LSR_FRM_ERR | LSR_BREAK));
1701 1577
1702 dbg ("%s - %02x", __func__, new_lsr); 1578 dbg("%s - %02x", __func__, new_lsr);
1703 1579
1704 edge_port->shadow_lsr = lsr; 1580 edge_port->shadow_lsr = lsr;
1705 1581
1706 if (new_lsr & LSR_BREAK) { 1582 if (new_lsr & LSR_BREAK)
1707 /* 1583 /*
1708 * Parity and Framing errors only count if they 1584 * Parity and Framing errors only count if they
1709 * occur exclusive of a break being received. 1585 * occur exclusive of a break being received.
1710 */ 1586 */
1711 new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); 1587 new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK);
1712 }
1713 1588
1714 /* Place LSR data byte into Rx buffer */ 1589 /* Place LSR data byte into Rx buffer */
1715 if (lsr_data && edge_port->port->tty) 1590 if (lsr_data && edge_port->port->tty)
1716 edge_tty_recv(&edge_port->port->dev, edge_port->port->tty, &data, 1); 1591 edge_tty_recv(&edge_port->port->dev, edge_port->port->tty,
1592 &data, 1);
1717 1593
1718 /* update input line counters */ 1594 /* update input line counters */
1719 icount = &edge_port->icount; 1595 icount = &edge_port->icount;
@@ -1728,7 +1604,7 @@ static void handle_new_lsr (struct edgeport_port *edge_port, int lsr_data, __u8
1728} 1604}
1729 1605
1730 1606
1731static void edge_interrupt_callback (struct urb *urb) 1607static void edge_interrupt_callback(struct urb *urb)
1732{ 1608{
1733 struct edgeport_serial *edge_serial = urb->context; 1609 struct edgeport_serial *edge_serial = urb->context;
1734 struct usb_serial_port *port; 1610 struct usb_serial_port *port;
@@ -1762,66 +1638,71 @@ static void edge_interrupt_callback (struct urb *urb)
1762 } 1638 }
1763 1639
1764 if (!length) { 1640 if (!length) {
1765 dbg ("%s - no data in urb", __func__); 1641 dbg("%s - no data in urb", __func__);
1766 goto exit; 1642 goto exit;
1767 } 1643 }
1768 1644
1769 usb_serial_debug_data(debug, &edge_serial->serial->dev->dev, __func__, length, data); 1645 usb_serial_debug_data(debug, &edge_serial->serial->dev->dev,
1770 1646 __func__, length, data);
1647
1771 if (length != 2) { 1648 if (length != 2) {
1772 dbg ("%s - expecting packet of size 2, got %d", __func__, length); 1649 dbg("%s - expecting packet of size 2, got %d",
1650 __func__, length);
1773 goto exit; 1651 goto exit;
1774 } 1652 }
1775 1653
1776 port_number = TIUMP_GET_PORT_FROM_CODE (data[0]); 1654 port_number = TIUMP_GET_PORT_FROM_CODE(data[0]);
1777 function = TIUMP_GET_FUNC_FROM_CODE (data[0]); 1655 function = TIUMP_GET_FUNC_FROM_CODE(data[0]);
1778 dbg ("%s - port_number %d, function %d, info 0x%x", 1656 dbg("%s - port_number %d, function %d, info 0x%x",
1779 __func__, port_number, function, data[1]); 1657 __func__, port_number, function, data[1]);
1780 port = edge_serial->serial->port[port_number]; 1658 port = edge_serial->serial->port[port_number];
1781 edge_port = usb_get_serial_port_data(port); 1659 edge_port = usb_get_serial_port_data(port);
1782 if (!edge_port) { 1660 if (!edge_port) {
1783 dbg ("%s - edge_port not found", __func__); 1661 dbg("%s - edge_port not found", __func__);
1784 return; 1662 return;
1785 } 1663 }
1786 switch (function) { 1664 switch (function) {
1787 case TIUMP_INTERRUPT_CODE_LSR: 1665 case TIUMP_INTERRUPT_CODE_LSR:
1788 lsr = MapLineStatus(data[1]); 1666 lsr = map_line_status(data[1]);
1789 if (lsr & UMP_UART_LSR_DATA_MASK) { 1667 if (lsr & UMP_UART_LSR_DATA_MASK) {
1790 /* Save the LSR event for bulk read completion routine */ 1668 /* Save the LSR event for bulk read
1791 dbg ("%s - LSR Event Port %u LSR Status = %02x", 1669 completion routine */
1670 dbg("%s - LSR Event Port %u LSR Status = %02x",
1792 __func__, port_number, lsr); 1671 __func__, port_number, lsr);
1793 edge_port->lsr_event = 1; 1672 edge_port->lsr_event = 1;
1794 edge_port->lsr_mask = lsr; 1673 edge_port->lsr_mask = lsr;
1795 } else { 1674 } else {
1796 dbg ("%s - ===== Port %d LSR Status = %02x ======", 1675 dbg("%s - ===== Port %d LSR Status = %02x ======",
1797 __func__, port_number, lsr); 1676 __func__, port_number, lsr);
1798 handle_new_lsr (edge_port, 0, lsr, 0); 1677 handle_new_lsr(edge_port, 0, lsr, 0);
1799 } 1678 }
1800 break; 1679 break;
1801 1680
1802 case TIUMP_INTERRUPT_CODE_MSR: // MSR 1681 case TIUMP_INTERRUPT_CODE_MSR: /* MSR */
1803 /* Copy MSR from UMP */ 1682 /* Copy MSR from UMP */
1804 msr = data[1]; 1683 msr = data[1];
1805 dbg ("%s - ===== Port %u MSR Status = %02x ======\n", 1684 dbg("%s - ===== Port %u MSR Status = %02x ======\n",
1806 __func__, port_number, msr); 1685 __func__, port_number, msr);
1807 handle_new_msr (edge_port, msr); 1686 handle_new_msr(edge_port, msr);
1808 break; 1687 break;
1809 1688
1810 default: 1689 default:
1811 dev_err (&urb->dev->dev, "%s - Unknown Interrupt code from UMP %x\n", 1690 dev_err(&urb->dev->dev,
1812 __func__, data[1]); 1691 "%s - Unknown Interrupt code from UMP %x\n",
1692 __func__, data[1]);
1813 break; 1693 break;
1814 1694
1815 } 1695 }
1816 1696
1817exit: 1697exit:
1818 retval = usb_submit_urb (urb, GFP_ATOMIC); 1698 retval = usb_submit_urb(urb, GFP_ATOMIC);
1819 if (retval) 1699 if (retval)
1820 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", 1700 dev_err(&urb->dev->dev,
1701 "%s - usb_submit_urb failed with result %d\n",
1821 __func__, retval); 1702 __func__, retval);
1822} 1703}
1823 1704
1824static void edge_bulk_in_callback (struct urb *urb) 1705static void edge_bulk_in_callback(struct urb *urb)
1825{ 1706{
1826 struct edgeport_port *edge_port = urb->context; 1707 struct edgeport_port *edge_port = urb->context;
1827 unsigned char *data = urb->transfer_buffer; 1708 unsigned char *data = urb->transfer_buffer;
@@ -1844,15 +1725,16 @@ static void edge_bulk_in_callback (struct urb *urb)
1844 __func__, status); 1725 __func__, status);
1845 return; 1726 return;
1846 default: 1727 default:
1847 dev_err (&urb->dev->dev,"%s - nonzero read bulk status received: %d\n", 1728 dev_err(&urb->dev->dev,
1848 __func__, status); 1729 "%s - nonzero read bulk status received: %d\n",
1730 __func__, status);
1849 } 1731 }
1850 1732
1851 if (status == -EPIPE) 1733 if (status == -EPIPE)
1852 goto exit; 1734 goto exit;
1853 1735
1854 if (status) { 1736 if (status) {
1855 dev_err(&urb->dev->dev,"%s - stopping read!\n", __func__); 1737 dev_err(&urb->dev->dev, "%s - stopping read!\n", __func__);
1856 return; 1738 return;
1857 } 1739 }
1858 1740
@@ -1860,9 +1742,9 @@ static void edge_bulk_in_callback (struct urb *urb)
1860 1742
1861 if (edge_port->lsr_event) { 1743 if (edge_port->lsr_event) {
1862 edge_port->lsr_event = 0; 1744 edge_port->lsr_event = 0;
1863 dbg ("%s ===== Port %u LSR Status = %02x, Data = %02x ======", 1745 dbg("%s ===== Port %u LSR Status = %02x, Data = %02x ======",
1864 __func__, port_number, edge_port->lsr_mask, *data); 1746 __func__, port_number, edge_port->lsr_mask, *data);
1865 handle_new_lsr (edge_port, 1, edge_port->lsr_mask, *data); 1747 handle_new_lsr(edge_port, 1, edge_port->lsr_mask, *data);
1866 /* Adjust buffer length/pointer */ 1748 /* Adjust buffer length/pointer */
1867 --urb->actual_length; 1749 --urb->actual_length;
1868 ++data; 1750 ++data;
@@ -1870,13 +1752,14 @@ static void edge_bulk_in_callback (struct urb *urb)
1870 1752
1871 tty = edge_port->port->tty; 1753 tty = edge_port->port->tty;
1872 if (tty && urb->actual_length) { 1754 if (tty && urb->actual_length) {
1873 usb_serial_debug_data(debug, &edge_port->port->dev, __func__, urb->actual_length, data); 1755 usb_serial_debug_data(debug, &edge_port->port->dev,
1874 1756 __func__, urb->actual_length, data);
1875 if (edge_port->close_pending) { 1757 if (edge_port->close_pending)
1876 dbg ("%s - close is pending, dropping data on the floor.", __func__); 1758 dbg("%s - close pending, dropping data on the floor",
1877 } else { 1759 __func__);
1878 edge_tty_recv(&edge_port->port->dev, tty, data, urb->actual_length); 1760 else
1879 } 1761 edge_tty_recv(&edge_port->port->dev, tty, data,
1762 urb->actual_length);
1880 edge_port->icount.rx += urb->actual_length; 1763 edge_port->icount.rx += urb->actual_length;
1881 } 1764 }
1882 1765
@@ -1891,37 +1774,31 @@ exit:
1891 } 1774 }
1892 spin_unlock(&edge_port->ep_lock); 1775 spin_unlock(&edge_port->ep_lock);
1893 if (retval) 1776 if (retval)
1894 dev_err (&urb->dev->dev, "%s - usb_submit_urb failed with result %d\n", 1777 dev_err(&urb->dev->dev,
1778 "%s - usb_submit_urb failed with result %d\n",
1895 __func__, retval); 1779 __func__, retval);
1896} 1780}
1897 1781
1898static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned char *data, int length) 1782static void edge_tty_recv(struct device *dev, struct tty_struct *tty,
1783 unsigned char *data, int length)
1899{ 1784{
1900 int cnt; 1785 int queued;
1901
1902 do {
1903 cnt = tty_buffer_request_room(tty, length);
1904 if (cnt < length) {
1905 dev_err(dev, "%s - dropping data, %d bytes lost\n",
1906 __func__, length - cnt);
1907 if(cnt == 0)
1908 break;
1909 }
1910 tty_insert_flip_string(tty, data, cnt);
1911 data += cnt;
1912 length -= cnt;
1913 } while (length > 0);
1914 1786
1787 tty_buffer_request_room(tty, length);
1788 queued = tty_insert_flip_string(tty, data, length);
1789 if (queued < length)
1790 dev_err(dev, "%s - dropping data, %d bytes lost\n",
1791 __func__, length - queued);
1915 tty_flip_buffer_push(tty); 1792 tty_flip_buffer_push(tty);
1916} 1793}
1917 1794
1918static void edge_bulk_out_callback (struct urb *urb) 1795static void edge_bulk_out_callback(struct urb *urb)
1919{ 1796{
1920 struct usb_serial_port *port = urb->context; 1797 struct usb_serial_port *port = urb->context;
1921 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 1798 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1922 int status = urb->status; 1799 int status = urb->status;
1923 1800
1924 dbg ("%s - port %d", __func__, port->number); 1801 dbg("%s - port %d", __func__, port->number);
1925 1802
1926 edge_port->ep_write_urb_in_use = 0; 1803 edge_port->ep_write_urb_in_use = 0;
1927 1804
@@ -1945,7 +1822,7 @@ static void edge_bulk_out_callback (struct urb *urb)
1945 edge_send(port); 1822 edge_send(port);
1946} 1823}
1947 1824
1948static int edge_open (struct usb_serial_port *port, struct file * filp) 1825static int edge_open(struct usb_serial_port *port, struct file *filp)
1949{ 1826{
1950 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 1827 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
1951 struct edgeport_serial *edge_serial; 1828 struct edgeport_serial *edge_serial;
@@ -1965,118 +1842,119 @@ static int edge_open (struct usb_serial_port *port, struct file * filp)
1965 1842
1966 port_number = port->number - port->serial->minor; 1843 port_number = port->number - port->serial->minor;
1967 switch (port_number) { 1844 switch (port_number) {
1968 case 0: 1845 case 0:
1969 edge_port->uart_base = UMPMEM_BASE_UART1; 1846 edge_port->uart_base = UMPMEM_BASE_UART1;
1970 edge_port->dma_address = UMPD_OEDB1_ADDRESS; 1847 edge_port->dma_address = UMPD_OEDB1_ADDRESS;
1971 break; 1848 break;
1972 case 1: 1849 case 1:
1973 edge_port->uart_base = UMPMEM_BASE_UART2; 1850 edge_port->uart_base = UMPMEM_BASE_UART2;
1974 edge_port->dma_address = UMPD_OEDB2_ADDRESS; 1851 edge_port->dma_address = UMPD_OEDB2_ADDRESS;
1975 break; 1852 break;
1976 default: 1853 default:
1977 dev_err (&port->dev, "Unknown port number!!!\n"); 1854 dev_err(&port->dev, "Unknown port number!!!\n");
1978 return -ENODEV; 1855 return -ENODEV;
1979 } 1856 }
1980 1857
1981 dbg ("%s - port_number = %d, uart_base = %04x, dma_address = %04x", 1858 dbg("%s - port_number = %d, uart_base = %04x, dma_address = %04x",
1982 __func__, port_number, edge_port->uart_base, edge_port->dma_address); 1859 __func__, port_number, edge_port->uart_base,
1860 edge_port->dma_address);
1983 1861
1984 dev = port->serial->dev; 1862 dev = port->serial->dev;
1985 1863
1986 memset (&(edge_port->icount), 0x00, sizeof(edge_port->icount)); 1864 memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount));
1987 init_waitqueue_head (&edge_port->delta_msr_wait); 1865 init_waitqueue_head(&edge_port->delta_msr_wait);
1988 1866
1989 /* turn off loopback */ 1867 /* turn off loopback */
1990 status = TIClearLoopBack (edge_port); 1868 status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0);
1991 if (status) { 1869 if (status) {
1992 dev_err(&port->dev,"%s - cannot send clear loopback command, %d\n", 1870 dev_err(&port->dev,
1871 "%s - cannot send clear loopback command, %d\n",
1993 __func__, status); 1872 __func__, status);
1994 return status; 1873 return status;
1995 } 1874 }
1996 1875
1997 /* set up the port settings */ 1876 /* set up the port settings */
1998 edge_set_termios (port, port->tty->termios); 1877 edge_set_termios(port, port->tty->termios);
1999 1878
2000 /* open up the port */ 1879 /* open up the port */
2001 1880
2002 /* milliseconds to timeout for DMA transfer */ 1881 /* milliseconds to timeout for DMA transfer */
2003 transaction_timeout = 2; 1882 transaction_timeout = 2;
2004 1883
2005 edge_port->ump_read_timeout = max (20, ((transaction_timeout * 3) / 2) ); 1884 edge_port->ump_read_timeout =
1885 max(20, ((transaction_timeout * 3) / 2));
2006 1886
2007 // milliseconds to timeout for DMA transfer 1887 /* milliseconds to timeout for DMA transfer */
2008 open_settings = (u8)(UMP_DMA_MODE_CONTINOUS | 1888 open_settings = (u8)(UMP_DMA_MODE_CONTINOUS |
2009 UMP_PIPE_TRANS_TIMEOUT_ENA | 1889 UMP_PIPE_TRANS_TIMEOUT_ENA |
2010 (transaction_timeout << 2)); 1890 (transaction_timeout << 2));
2011 1891
2012 dbg ("%s - Sending UMPC_OPEN_PORT", __func__); 1892 dbg("%s - Sending UMPC_OPEN_PORT", __func__);
2013 1893
2014 /* Tell TI to open and start the port */ 1894 /* Tell TI to open and start the port */
2015 status = TIWriteCommandSync (dev, 1895 status = send_cmd(dev, UMPC_OPEN_PORT,
2016 UMPC_OPEN_PORT, 1896 (u8)(UMPM_UART1_PORT + port_number), open_settings, NULL, 0);
2017 (u8)(UMPM_UART1_PORT + port_number),
2018 open_settings,
2019 NULL,
2020 0);
2021 if (status) { 1897 if (status) {
2022 dev_err(&port->dev,"%s - cannot send open command, %d\n", __func__, status); 1898 dev_err(&port->dev, "%s - cannot send open command, %d\n",
1899 __func__, status);
2023 return status; 1900 return status;
2024 } 1901 }
2025 1902
2026 /* Start the DMA? */ 1903 /* Start the DMA? */
2027 status = TIWriteCommandSync (dev, 1904 status = send_cmd(dev, UMPC_START_PORT,
2028 UMPC_START_PORT, 1905 (u8)(UMPM_UART1_PORT + port_number), 0, NULL, 0);
2029 (u8)(UMPM_UART1_PORT + port_number),
2030 0,
2031 NULL,
2032 0);
2033 if (status) { 1906 if (status) {
2034 dev_err(&port->dev,"%s - cannot send start DMA command, %d\n", __func__, status); 1907 dev_err(&port->dev, "%s - cannot send start DMA command, %d\n",
1908 __func__, status);
2035 return status; 1909 return status;
2036 } 1910 }
2037 1911
2038 /* Clear TX and RX buffers in UMP */ 1912 /* Clear TX and RX buffers in UMP */
2039 status = TIPurgeDataSync (port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN); 1913 status = purge_port(port, UMP_PORT_DIR_OUT | UMP_PORT_DIR_IN);
2040 if (status) { 1914 if (status) {
2041 dev_err(&port->dev,"%s - cannot send clear buffers command, %d\n", __func__, status); 1915 dev_err(&port->dev,
1916 "%s - cannot send clear buffers command, %d\n",
1917 __func__, status);
2042 return status; 1918 return status;
2043 } 1919 }
2044 1920
2045 /* Read Initial MSR */ 1921 /* Read Initial MSR */
2046 status = TIReadVendorRequestSync (dev, 1922 status = ti_vread_sync(dev, UMPC_READ_MSR, 0,
2047 UMPC_READ_MSR, // Request 1923 (__u16)(UMPM_UART1_PORT + port_number),
2048 0, // wValue 1924 &edge_port->shadow_msr, 1);
2049 (__u16)(UMPM_UART1_PORT + port_number), // wIndex (Address)
2050 &edge_port->shadow_msr, // TransferBuffer
2051 1); // TransferBufferLength
2052 if (status) { 1925 if (status) {
2053 dev_err(&port->dev,"%s - cannot send read MSR command, %d\n", __func__, status); 1926 dev_err(&port->dev, "%s - cannot send read MSR command, %d\n",
1927 __func__, status);
2054 return status; 1928 return status;
2055 } 1929 }
2056 1930
2057 dbg ("ShadowMSR 0x%X", edge_port->shadow_msr); 1931 dbg("ShadowMSR 0x%X", edge_port->shadow_msr);
2058 1932
2059 /* Set Initial MCR */ 1933 /* Set Initial MCR */
2060 edge_port->shadow_mcr = MCR_RTS | MCR_DTR; 1934 edge_port->shadow_mcr = MCR_RTS | MCR_DTR;
2061 dbg ("ShadowMCR 0x%X", edge_port->shadow_mcr); 1935 dbg("ShadowMCR 0x%X", edge_port->shadow_mcr);
2062 1936
2063 edge_serial = edge_port->edge_serial; 1937 edge_serial = edge_port->edge_serial;
2064 if (mutex_lock_interruptible(&edge_serial->es_lock)) 1938 if (mutex_lock_interruptible(&edge_serial->es_lock))
2065 return -ERESTARTSYS; 1939 return -ERESTARTSYS;
2066 if (edge_serial->num_ports_open == 0) { 1940 if (edge_serial->num_ports_open == 0) {
2067 /* we are the first port to be opened, let's post the interrupt urb */ 1941 /* we are the first port to open, post the interrupt urb */
2068 urb = edge_serial->serial->port[0]->interrupt_in_urb; 1942 urb = edge_serial->serial->port[0]->interrupt_in_urb;
2069 if (!urb) { 1943 if (!urb) {
2070 dev_err (&port->dev, "%s - no interrupt urb present, exiting\n", __func__); 1944 dev_err(&port->dev,
1945 "%s - no interrupt urb present, exiting\n",
1946 __func__);
2071 status = -EINVAL; 1947 status = -EINVAL;
2072 goto release_es_lock; 1948 goto release_es_lock;
2073 } 1949 }
2074 urb->complete = edge_interrupt_callback; 1950 urb->complete = edge_interrupt_callback;
2075 urb->context = edge_serial; 1951 urb->context = edge_serial;
2076 urb->dev = dev; 1952 urb->dev = dev;
2077 status = usb_submit_urb (urb, GFP_KERNEL); 1953 status = usb_submit_urb(urb, GFP_KERNEL);
2078 if (status) { 1954 if (status) {
2079 dev_err (&port->dev, "%s - usb_submit_urb failed with value %d\n", __func__, status); 1955 dev_err(&port->dev,
1956 "%s - usb_submit_urb failed with value %d\n",
1957 __func__, status);
2080 goto release_es_lock; 1958 goto release_es_lock;
2081 } 1959 }
2082 } 1960 }
@@ -2085,13 +1963,14 @@ static int edge_open (struct usb_serial_port *port, struct file * filp)
2085 * reset the data toggle on the bulk endpoints to work around bug in 1963 * reset the data toggle on the bulk endpoints to work around bug in
2086 * host controllers where things get out of sync some times 1964 * host controllers where things get out of sync some times
2087 */ 1965 */
2088 usb_clear_halt (dev, port->write_urb->pipe); 1966 usb_clear_halt(dev, port->write_urb->pipe);
2089 usb_clear_halt (dev, port->read_urb->pipe); 1967 usb_clear_halt(dev, port->read_urb->pipe);
2090 1968
2091 /* start up our bulk read urb */ 1969 /* start up our bulk read urb */
2092 urb = port->read_urb; 1970 urb = port->read_urb;
2093 if (!urb) { 1971 if (!urb) {
2094 dev_err (&port->dev, "%s - no read urb present, exiting\n", __func__); 1972 dev_err(&port->dev, "%s - no read urb present, exiting\n",
1973 __func__);
2095 status = -EINVAL; 1974 status = -EINVAL;
2096 goto unlink_int_urb; 1975 goto unlink_int_urb;
2097 } 1976 }
@@ -2099,9 +1978,11 @@ static int edge_open (struct usb_serial_port *port, struct file * filp)
2099 urb->complete = edge_bulk_in_callback; 1978 urb->complete = edge_bulk_in_callback;
2100 urb->context = edge_port; 1979 urb->context = edge_port;
2101 urb->dev = dev; 1980 urb->dev = dev;
2102 status = usb_submit_urb (urb, GFP_KERNEL); 1981 status = usb_submit_urb(urb, GFP_KERNEL);
2103 if (status) { 1982 if (status) {
2104 dev_err (&port->dev, "%s - read bulk usb_submit_urb failed with value %d\n", __func__, status); 1983 dev_err(&port->dev,
1984 "%s - read bulk usb_submit_urb failed with value %d\n",
1985 __func__, status);
2105 goto unlink_int_urb; 1986 goto unlink_int_urb;
2106 } 1987 }
2107 1988
@@ -2119,7 +2000,7 @@ release_es_lock:
2119 return status; 2000 return status;
2120} 2001}
2121 2002
2122static void edge_close (struct usb_serial_port *port, struct file *filp) 2003static void edge_close(struct usb_serial_port *port, struct file *filp)
2123{ 2004{
2124 struct edgeport_serial *edge_serial; 2005 struct edgeport_serial *edge_serial;
2125 struct edgeport_port *edge_port; 2006 struct edgeport_port *edge_port;
@@ -2127,18 +2008,18 @@ static void edge_close (struct usb_serial_port *port, struct file *filp)
2127 int status; 2008 int status;
2128 2009
2129 dbg("%s - port %d", __func__, port->number); 2010 dbg("%s - port %d", __func__, port->number);
2130 2011
2131 edge_serial = usb_get_serial_data(port->serial); 2012 edge_serial = usb_get_serial_data(port->serial);
2132 edge_port = usb_get_serial_port_data(port); 2013 edge_port = usb_get_serial_port_data(port);
2133 if ((edge_serial == NULL) || (edge_port == NULL)) 2014 if (edge_serial == NULL || edge_port == NULL)
2134 return; 2015 return;
2135 2016
2136 /* The bulkreadcompletion routine will check 2017 /* The bulkreadcompletion routine will check
2137 * this flag and dump add read data */ 2018 * this flag and dump add read data */
2138 edge_port->close_pending = 1; 2019 edge_port->close_pending = 1;
2139 2020
2140 /* chase the port close and flush */ 2021 /* chase the port close and flush */
2141 TIChasePort (edge_port, (HZ*closing_wait)/100, 1); 2022 chase_port(edge_port, (HZ * closing_wait) / 100, 1);
2142 2023
2143 usb_kill_urb(port->read_urb); 2024 usb_kill_urb(port->read_urb);
2144 usb_kill_urb(port->write_urb); 2025 usb_kill_urb(port->write_urb);
@@ -2148,7 +2029,7 @@ static void edge_close (struct usb_serial_port *port, struct file *filp)
2148 * send a close port command to it */ 2029 * send a close port command to it */
2149 dbg("%s - send umpc_close_port", __func__); 2030 dbg("%s - send umpc_close_port", __func__);
2150 port_number = port->number - port->serial->minor; 2031 port_number = port->number - port->serial->minor;
2151 status = TIWriteCommandSync (port->serial->dev, 2032 status = send_cmd(port->serial->dev,
2152 UMPC_CLOSE_PORT, 2033 UMPC_CLOSE_PORT,
2153 (__u8)(UMPM_UART1_PORT + port_number), 2034 (__u8)(UMPM_UART1_PORT + port_number),
2154 0, 2035 0,
@@ -2167,7 +2048,8 @@ static void edge_close (struct usb_serial_port *port, struct file *filp)
2167 dbg("%s - exited", __func__); 2048 dbg("%s - exited", __func__);
2168} 2049}
2169 2050
2170static int edge_write (struct usb_serial_port *port, const unsigned char *data, int count) 2051static int edge_write(struct usb_serial_port *port, const unsigned char *data,
2052 int count)
2171{ 2053{
2172 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2054 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2173 unsigned long flags; 2055 unsigned long flags;
@@ -2223,11 +2105,12 @@ static void edge_send(struct usb_serial_port *port)
2223 2105
2224 spin_unlock_irqrestore(&edge_port->ep_lock, flags); 2106 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2225 2107
2226 usb_serial_debug_data(debug, &port->dev, __func__, count, port->write_urb->transfer_buffer); 2108 usb_serial_debug_data(debug, &port->dev, __func__, count,
2109 port->write_urb->transfer_buffer);
2227 2110
2228 /* set up our urb */ 2111 /* set up our urb */
2229 usb_fill_bulk_urb (port->write_urb, port->serial->dev, 2112 usb_fill_bulk_urb(port->write_urb, port->serial->dev,
2230 usb_sndbulkpipe (port->serial->dev, 2113 usb_sndbulkpipe(port->serial->dev,
2231 port->bulk_out_endpointAddress), 2114 port->bulk_out_endpointAddress),
2232 port->write_urb->transfer_buffer, count, 2115 port->write_urb->transfer_buffer, count,
2233 edge_bulk_out_callback, 2116 edge_bulk_out_callback,
@@ -2236,22 +2119,21 @@ static void edge_send(struct usb_serial_port *port)
2236 /* send the data out the bulk port */ 2119 /* send the data out the bulk port */
2237 result = usb_submit_urb(port->write_urb, GFP_ATOMIC); 2120 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
2238 if (result) { 2121 if (result) {
2239 dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __func__, result); 2122 dev_err(&port->dev,
2123 "%s - failed submitting write urb, error %d\n",
2124 __func__, result);
2240 edge_port->ep_write_urb_in_use = 0; 2125 edge_port->ep_write_urb_in_use = 0;
2241 // TODO: reschedule edge_send 2126 /* TODO: reschedule edge_send */
2242 } else { 2127 } else
2243 edge_port->icount.tx += count; 2128 edge_port->icount.tx += count;
2244 }
2245 2129
2246 /* wakeup any process waiting for writes to complete */ 2130 /* wakeup any process waiting for writes to complete */
2247 /* there is now more room in the buffer for new writes */ 2131 /* there is now more room in the buffer for new writes */
2248 if (tty) { 2132 if (tty)
2249 /* let the tty driver wakeup if it has a special write_wakeup function */
2250 tty_wakeup(tty); 2133 tty_wakeup(tty);
2251 }
2252} 2134}
2253 2135
2254static int edge_write_room (struct usb_serial_port *port) 2136static int edge_write_room(struct usb_serial_port *port)
2255{ 2137{
2256 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2138 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2257 int room = 0; 2139 int room = 0;
@@ -2260,9 +2142,9 @@ static int edge_write_room (struct usb_serial_port *port)
2260 dbg("%s - port %d", __func__, port->number); 2142 dbg("%s - port %d", __func__, port->number);
2261 2143
2262 if (edge_port == NULL) 2144 if (edge_port == NULL)
2263 return -ENODEV; 2145 return 0;
2264 if (edge_port->close_pending == 1) 2146 if (edge_port->close_pending == 1)
2265 return -ENODEV; 2147 return 0;
2266 2148
2267 spin_lock_irqsave(&edge_port->ep_lock, flags); 2149 spin_lock_irqsave(&edge_port->ep_lock, flags);
2268 room = edge_buf_space_avail(edge_port->ep_out_buf); 2150 room = edge_buf_space_avail(edge_port->ep_out_buf);
@@ -2272,7 +2154,7 @@ static int edge_write_room (struct usb_serial_port *port)
2272 return room; 2154 return room;
2273} 2155}
2274 2156
2275static int edge_chars_in_buffer (struct usb_serial_port *port) 2157static int edge_chars_in_buffer(struct usb_serial_port *port)
2276{ 2158{
2277 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2159 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2278 int chars = 0; 2160 int chars = 0;
@@ -2281,22 +2163,22 @@ static int edge_chars_in_buffer (struct usb_serial_port *port)
2281 dbg("%s - port %d", __func__, port->number); 2163 dbg("%s - port %d", __func__, port->number);
2282 2164
2283 if (edge_port == NULL) 2165 if (edge_port == NULL)
2284 return -ENODEV; 2166 return 0;
2285 if (edge_port->close_pending == 1) 2167 if (edge_port->close_pending == 1)
2286 return -ENODEV; 2168 return 0;
2287 2169
2288 spin_lock_irqsave(&edge_port->ep_lock, flags); 2170 spin_lock_irqsave(&edge_port->ep_lock, flags);
2289 chars = edge_buf_data_avail(edge_port->ep_out_buf); 2171 chars = edge_buf_data_avail(edge_port->ep_out_buf);
2290 spin_unlock_irqrestore(&edge_port->ep_lock, flags); 2172 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2291 2173
2292 dbg ("%s - returns %d", __func__, chars); 2174 dbg("%s - returns %d", __func__, chars);
2293 return chars; 2175 return chars;
2294} 2176}
2295 2177
2296static void edge_throttle (struct usb_serial_port *port) 2178static void edge_throttle(struct usb_serial_port *port)
2297{ 2179{
2298 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2180 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2299 struct tty_struct *tty; 2181 struct tty_struct *tty = port->tty;
2300 int status; 2182 int status;
2301 2183
2302 dbg("%s - port %d", __func__, port->number); 2184 dbg("%s - port %d", __func__, port->number);
@@ -2304,19 +2186,14 @@ static void edge_throttle (struct usb_serial_port *port)
2304 if (edge_port == NULL) 2186 if (edge_port == NULL)
2305 return; 2187 return;
2306 2188
2307 tty = port->tty;
2308 if (!tty) {
2309 dbg ("%s - no tty available", __func__);
2310 return;
2311 }
2312
2313 /* if we are implementing XON/XOFF, send the stop character */ 2189 /* if we are implementing XON/XOFF, send the stop character */
2314 if (I_IXOFF(tty)) { 2190 if (I_IXOFF(tty)) {
2315 unsigned char stop_char = STOP_CHAR(tty); 2191 unsigned char stop_char = STOP_CHAR(tty);
2316 status = edge_write (port, &stop_char, 1); 2192 status = edge_write(port, &stop_char, 1);
2317 if (status <= 0) { 2193 if (status <= 0)
2318 dev_err(&port->dev, "%s - failed to write stop character, %d\n", __func__, status); 2194 dev_err(&port->dev,
2319 } 2195 "%s - failed to write stop character, %d\n",
2196 __func__, status);
2320 } 2197 }
2321 2198
2322 /* if we are implementing RTS/CTS, stop reads */ 2199 /* if we are implementing RTS/CTS, stop reads */
@@ -2326,10 +2203,10 @@ static void edge_throttle (struct usb_serial_port *port)
2326 2203
2327} 2204}
2328 2205
2329static void edge_unthrottle (struct usb_serial_port *port) 2206static void edge_unthrottle(struct usb_serial_port *port)
2330{ 2207{
2331 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2208 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2332 struct tty_struct *tty; 2209 struct tty_struct *tty = port->tty;
2333 int status; 2210 int status;
2334 2211
2335 dbg("%s - port %d", __func__, port->number); 2212 dbg("%s - port %d", __func__, port->number);
@@ -2337,27 +2214,23 @@ static void edge_unthrottle (struct usb_serial_port *port)
2337 if (edge_port == NULL) 2214 if (edge_port == NULL)
2338 return; 2215 return;
2339 2216
2340 tty = port->tty;
2341 if (!tty) {
2342 dbg ("%s - no tty available", __func__);
2343 return;
2344 }
2345
2346 /* if we are implementing XON/XOFF, send the start character */ 2217 /* if we are implementing XON/XOFF, send the start character */
2347 if (I_IXOFF(tty)) { 2218 if (I_IXOFF(tty)) {
2348 unsigned char start_char = START_CHAR(tty); 2219 unsigned char start_char = START_CHAR(tty);
2349 status = edge_write (port, &start_char, 1); 2220 status = edge_write(port, &start_char, 1);
2350 if (status <= 0) { 2221 if (status <= 0)
2351 dev_err(&port->dev, "%s - failed to write start character, %d\n", __func__, status); 2222 dev_err(&port->dev,
2352 } 2223 "%s - failed to write start character, %d\n",
2224 __func__, status);
2353 } 2225 }
2354
2355 /* if we are implementing RTS/CTS, restart reads */ 2226 /* if we are implementing RTS/CTS, restart reads */
2356 /* are the Edgeport will assert the RTS line */ 2227 /* are the Edgeport will assert the RTS line */
2357 if (C_CRTSCTS(tty)) { 2228 if (C_CRTSCTS(tty)) {
2358 status = restart_read(edge_port); 2229 status = restart_read(edge_port);
2359 if (status) 2230 if (status)
2360 dev_err(&port->dev, "%s - read bulk usb_submit_urb failed with value %d\n", __func__, status); 2231 dev_err(&port->dev,
2232 "%s - read bulk usb_submit_urb failed: %d\n",
2233 __func__, status);
2361 } 2234 }
2362 2235
2363} 2236}
@@ -2398,22 +2271,26 @@ static int restart_read(struct edgeport_port *edge_port)
2398 return status; 2271 return status;
2399} 2272}
2400 2273
2401static void change_port_settings (struct edgeport_port *edge_port, struct ktermios *old_termios) 2274static void change_port_settings(struct edgeport_port *edge_port,
2275 struct ktermios *old_termios)
2402{ 2276{
2403 struct ump_uart_config *config; 2277 struct ump_uart_config *config;
2404 struct tty_struct *tty; 2278 struct tty_struct *tty;
2405 int baud; 2279 int baud;
2406 unsigned cflag; 2280 unsigned cflag;
2407 int status; 2281 int status;
2408 int port_number = edge_port->port->number - edge_port->port->serial->minor; 2282 int port_number = edge_port->port->number -
2283 edge_port->port->serial->minor;
2409 2284
2410 dbg("%s - port %d", __func__, edge_port->port->number); 2285 dbg("%s - port %d", __func__, edge_port->port->number);
2411 2286
2412 tty = edge_port->port->tty; 2287 tty = edge_port->port->tty;
2413 2288
2414 config = kmalloc (sizeof (*config), GFP_KERNEL); 2289 config = kmalloc(sizeof(*config), GFP_KERNEL);
2415 if (!config) { 2290 if (!config) {
2416 dev_err (&edge_port->port->dev, "%s - out of memory\n", __func__); 2291 *tty->termios = *old_termios;
2292 dev_err(&edge_port->port->dev, "%s - out of memory\n",
2293 __func__);
2417 return; 2294 return;
2418 } 2295 }
2419 2296
@@ -2427,22 +2304,22 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi
2427 config->bUartMode = (__u8)(edge_port->bUartMode); 2304 config->bUartMode = (__u8)(edge_port->bUartMode);
2428 2305
2429 switch (cflag & CSIZE) { 2306 switch (cflag & CSIZE) {
2430 case CS5: 2307 case CS5:
2431 config->bDataBits = UMP_UART_CHAR5BITS; 2308 config->bDataBits = UMP_UART_CHAR5BITS;
2432 dbg ("%s - data bits = 5", __func__); 2309 dbg("%s - data bits = 5", __func__);
2433 break; 2310 break;
2434 case CS6: 2311 case CS6:
2435 config->bDataBits = UMP_UART_CHAR6BITS; 2312 config->bDataBits = UMP_UART_CHAR6BITS;
2436 dbg ("%s - data bits = 6", __func__); 2313 dbg("%s - data bits = 6", __func__);
2437 break; 2314 break;
2438 case CS7: 2315 case CS7:
2439 config->bDataBits = UMP_UART_CHAR7BITS; 2316 config->bDataBits = UMP_UART_CHAR7BITS;
2440 dbg ("%s - data bits = 7", __func__); 2317 dbg("%s - data bits = 7", __func__);
2441 break; 2318 break;
2442 default: 2319 default:
2443 case CS8: 2320 case CS8:
2444 config->bDataBits = UMP_UART_CHAR8BITS; 2321 config->bDataBits = UMP_UART_CHAR8BITS;
2445 dbg ("%s - data bits = 8", __func__); 2322 dbg("%s - data bits = 8", __func__);
2446 break; 2323 break;
2447 } 2324 }
2448 2325
@@ -2457,7 +2334,7 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi
2457 dbg("%s - parity = even", __func__); 2334 dbg("%s - parity = even", __func__);
2458 } 2335 }
2459 } else { 2336 } else {
2460 config->bParity = UMP_UART_NOPARITY; 2337 config->bParity = UMP_UART_NOPARITY;
2461 dbg("%s - parity = none", __func__); 2338 dbg("%s - parity = none", __func__);
2462 } 2339 }
2463 2340
@@ -2480,29 +2357,26 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi
2480 restart_read(edge_port); 2357 restart_read(edge_port);
2481 } 2358 }
2482 2359
2483 /* if we are implementing XON/XOFF, set the start and stop character in the device */ 2360 /* if we are implementing XON/XOFF, set the start and stop
2484 if (I_IXOFF(tty) || I_IXON(tty)) { 2361 character in the device */
2485 config->cXon = START_CHAR(tty); 2362 config->cXon = START_CHAR(tty);
2486 config->cXoff = STOP_CHAR(tty); 2363 config->cXoff = STOP_CHAR(tty);
2487 2364
2488 /* if we are implementing INBOUND XON/XOFF */ 2365 /* if we are implementing INBOUND XON/XOFF */
2489 if (I_IXOFF(tty)) { 2366 if (I_IXOFF(tty)) {
2490 config->wFlags |= UMP_MASK_UART_FLAGS_IN_X; 2367 config->wFlags |= UMP_MASK_UART_FLAGS_IN_X;
2491 dbg ("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", 2368 dbg("%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x",
2492 __func__, config->cXon, config->cXoff); 2369 __func__, config->cXon, config->cXoff);
2493 } else { 2370 } else
2494 dbg ("%s - INBOUND XON/XOFF is disabled", __func__); 2371 dbg("%s - INBOUND XON/XOFF is disabled", __func__);
2495 }
2496 2372
2497 /* if we are implementing OUTBOUND XON/XOFF */ 2373 /* if we are implementing OUTBOUND XON/XOFF */
2498 if (I_IXON(tty)) { 2374 if (I_IXON(tty)) {
2499 config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X; 2375 config->wFlags |= UMP_MASK_UART_FLAGS_OUT_X;
2500 dbg ("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x", 2376 dbg("%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x",
2501 __func__, config->cXon, config->cXoff); 2377 __func__, config->cXon, config->cXoff);
2502 } else { 2378 } else
2503 dbg ("%s - OUTBOUND XON/XOFF is disabled", __func__); 2379 dbg("%s - OUTBOUND XON/XOFF is disabled", __func__);
2504 }
2505 }
2506 2380
2507 tty->termios->c_cflag &= ~CMSPAR; 2381 tty->termios->c_cflag &= ~CMSPAR;
2508 2382
@@ -2519,62 +2393,52 @@ static void change_port_settings (struct edgeport_port *edge_port, struct ktermi
2519 2393
2520 /* FIXME: Recompute actual baud from divisor here */ 2394 /* FIXME: Recompute actual baud from divisor here */
2521 2395
2522 dbg ("%s - baud rate = %d, wBaudRate = %d", __func__, baud, config->wBaudRate); 2396 dbg("%s - baud rate = %d, wBaudRate = %d", __func__, baud,
2397 config->wBaudRate);
2523 2398
2524 dbg ("wBaudRate: %d", (int)(461550L / config->wBaudRate)); 2399 dbg("wBaudRate: %d", (int)(461550L / config->wBaudRate));
2525 dbg ("wFlags: 0x%x", config->wFlags); 2400 dbg("wFlags: 0x%x", config->wFlags);
2526 dbg ("bDataBits: %d", config->bDataBits); 2401 dbg("bDataBits: %d", config->bDataBits);
2527 dbg ("bParity: %d", config->bParity); 2402 dbg("bParity: %d", config->bParity);
2528 dbg ("bStopBits: %d", config->bStopBits); 2403 dbg("bStopBits: %d", config->bStopBits);
2529 dbg ("cXon: %d", config->cXon); 2404 dbg("cXon: %d", config->cXon);
2530 dbg ("cXoff: %d", config->cXoff); 2405 dbg("cXoff: %d", config->cXoff);
2531 dbg ("bUartMode: %d", config->bUartMode); 2406 dbg("bUartMode: %d", config->bUartMode);
2532 2407
2533 /* move the word values into big endian mode */ 2408 /* move the word values into big endian mode */
2534 cpu_to_be16s (&config->wFlags); 2409 cpu_to_be16s(&config->wFlags);
2535 cpu_to_be16s (&config->wBaudRate); 2410 cpu_to_be16s(&config->wBaudRate);
2536 2411
2537 status = TIWriteCommandSync (edge_port->port->serial->dev, 2412 status = send_cmd(edge_port->port->serial->dev, UMPC_SET_CONFIG,
2538 UMPC_SET_CONFIG,
2539 (__u8)(UMPM_UART1_PORT + port_number), 2413 (__u8)(UMPM_UART1_PORT + port_number),
2540 0, 2414 0, (__u8 *)config, sizeof(*config));
2541 (__u8 *)config, 2415 if (status)
2542 sizeof(*config)); 2416 dbg("%s - error %d when trying to write config to device",
2543 if (status) {
2544 dbg ("%s - error %d when trying to write config to device",
2545 __func__, status); 2417 __func__, status);
2546 } 2418 kfree(config);
2547
2548 kfree (config);
2549
2550 return; 2419 return;
2551} 2420}
2552 2421
2553static void edge_set_termios (struct usb_serial_port *port, struct ktermios *old_termios) 2422static void edge_set_termios(struct usb_serial_port *port,
2423 struct ktermios *old_termios)
2554{ 2424{
2555 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2425 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2556 struct tty_struct *tty = port->tty; 2426 struct tty_struct *tty = port->tty;
2557 unsigned int cflag;
2558
2559 cflag = tty->termios->c_cflag;
2560 2427
2561 dbg("%s - clfag %08x iflag %08x", __func__, 2428 dbg("%s - clfag %08x iflag %08x", __func__,
2562 tty->termios->c_cflag, tty->termios->c_iflag); 2429 tty->termios->c_cflag, tty->termios->c_iflag);
2563 dbg("%s - old clfag %08x old iflag %08x", __func__, 2430 dbg("%s - old clfag %08x old iflag %08x", __func__,
2564 old_termios->c_cflag, old_termios->c_iflag); 2431 old_termios->c_cflag, old_termios->c_iflag);
2565
2566 dbg("%s - port %d", __func__, port->number); 2432 dbg("%s - port %d", __func__, port->number);
2567 2433
2568 if (edge_port == NULL) 2434 if (edge_port == NULL)
2569 return; 2435 return;
2570
2571 /* change the port settings to the new ones specified */ 2436 /* change the port settings to the new ones specified */
2572 change_port_settings (edge_port, old_termios); 2437 change_port_settings(edge_port, old_termios);
2573
2574 return;
2575} 2438}
2576 2439
2577static int edge_tiocmset (struct usb_serial_port *port, struct file *file, unsigned int set, unsigned int clear) 2440static int edge_tiocmset(struct usb_serial_port *port, struct file *file,
2441 unsigned int set, unsigned int clear)
2578{ 2442{
2579 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2443 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2580 unsigned int mcr; 2444 unsigned int mcr;
@@ -2601,8 +2465,7 @@ static int edge_tiocmset (struct usb_serial_port *port, struct file *file, unsig
2601 edge_port->shadow_mcr = mcr; 2465 edge_port->shadow_mcr = mcr;
2602 spin_unlock_irqrestore(&edge_port->ep_lock, flags); 2466 spin_unlock_irqrestore(&edge_port->ep_lock, flags);
2603 2467
2604 TIRestoreMCR (edge_port, mcr); 2468 restore_mcr(edge_port, mcr);
2605
2606 return 0; 2469 return 0;
2607} 2470}
2608 2471
@@ -2634,7 +2497,8 @@ static int edge_tiocmget(struct usb_serial_port *port, struct file *file)
2634 return result; 2497 return result;
2635} 2498}
2636 2499
2637static int get_serial_info (struct edgeport_port *edge_port, struct serial_struct __user *retinfo) 2500static int get_serial_info(struct edgeport_port *edge_port,
2501 struct serial_struct __user *retinfo)
2638{ 2502{
2639 struct serial_struct tmp; 2503 struct serial_struct tmp;
2640 2504
@@ -2652,17 +2516,14 @@ static int get_serial_info (struct edgeport_port *edge_port, struct serial_struc
2652 tmp.baud_base = 9600; 2516 tmp.baud_base = 9600;
2653 tmp.close_delay = 5*HZ; 2517 tmp.close_delay = 5*HZ;
2654 tmp.closing_wait = closing_wait; 2518 tmp.closing_wait = closing_wait;
2655// tmp.custom_divisor = state->custom_divisor;
2656// tmp.hub6 = state->hub6;
2657// tmp.io_type = state->io_type;
2658
2659 2519
2660 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) 2520 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
2661 return -EFAULT; 2521 return -EFAULT;
2662 return 0; 2522 return 0;
2663} 2523}
2664 2524
2665static int edge_ioctl (struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg) 2525static int edge_ioctl(struct usb_serial_port *port, struct file *file,
2526 unsigned int cmd, unsigned long arg)
2666{ 2527{
2667 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2528 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2668 struct async_icount cnow; 2529 struct async_icount cnow;
@@ -2671,81 +2532,63 @@ static int edge_ioctl (struct usb_serial_port *port, struct file *file, unsigned
2671 dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd); 2532 dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd);
2672 2533
2673 switch (cmd) { 2534 switch (cmd) {
2674 case TIOCINQ: 2535 case TIOCGSERIAL:
2675 dbg("%s - (%d) TIOCINQ", __func__, port->number); 2536 dbg("%s - (%d) TIOCGSERIAL", __func__, port->number);
2676// return get_number_bytes_avail(edge_port, (unsigned int *) arg); 2537 return get_serial_info(edge_port,
2677 break; 2538 (struct serial_struct __user *) arg);
2678 2539 case TIOCMIWAIT:
2679 case TIOCSERGETLSR: 2540 dbg("%s - (%d) TIOCMIWAIT", __func__, port->number);
2680 dbg("%s - (%d) TIOCSERGETLSR", __func__, port->number); 2541 cprev = edge_port->icount;
2681// return get_lsr_info(edge_port, (unsigned int *) arg); 2542 while (1) {
2682 break; 2543 interruptible_sleep_on(&edge_port->delta_msr_wait);
2683 2544 /* see if a signal did it */
2684 case TIOCGSERIAL: 2545 if (signal_pending(current))
2685 dbg("%s - (%d) TIOCGSERIAL", __func__, port->number); 2546 return -ERESTARTSYS;
2686 return get_serial_info(edge_port, (struct serial_struct __user *) arg); 2547 cnow = edge_port->icount;
2687 break; 2548 if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
2688 2549 cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
2689 case TIOCSSERIAL: 2550 return -EIO; /* no change => error */
2690 dbg("%s - (%d) TIOCSSERIAL", __func__, port->number); 2551 if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
2691 break; 2552 ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
2692 2553 ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
2693 case TIOCMIWAIT: 2554 ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
2694 dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); 2555 return 0;
2695 cprev = edge_port->icount;
2696 while (1) {
2697 interruptible_sleep_on(&edge_port->delta_msr_wait);
2698 /* see if a signal did it */
2699 if (signal_pending(current))
2700 return -ERESTARTSYS;
2701 cnow = edge_port->icount;
2702 if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
2703 cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
2704 return -EIO; /* no change => error */
2705 if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
2706 ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
2707 ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
2708 ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
2709 return 0;
2710 }
2711 cprev = cnow;
2712 } 2556 }
2713 /* not reached */ 2557 cprev = cnow;
2714 break; 2558 }
2715 2559 /* not reached */
2716 case TIOCGICOUNT: 2560 break;
2717 dbg ("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__, 2561 case TIOCGICOUNT:
2718 port->number, edge_port->icount.rx, edge_port->icount.tx); 2562 dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
2719 if (copy_to_user((void __user *)arg, &edge_port->icount, sizeof(edge_port->icount))) 2563 port->number, edge_port->icount.rx, edge_port->icount.tx);
2720 return -EFAULT; 2564 if (copy_to_user((void __user *)arg, &edge_port->icount,
2721 return 0; 2565 sizeof(edge_port->icount)))
2566 return -EFAULT;
2567 return 0;
2722 } 2568 }
2723
2724 return -ENOIOCTLCMD; 2569 return -ENOIOCTLCMD;
2725} 2570}
2726 2571
2727static void edge_break (struct usb_serial_port *port, int break_state) 2572static void edge_break(struct usb_serial_port *port, int on)
2728{ 2573{
2729 struct edgeport_port *edge_port = usb_get_serial_port_data(port); 2574 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
2730 int status; 2575 int status;
2576 int bv = 0; /* Off */
2731 2577
2732 dbg ("%s - state = %d", __func__, break_state); 2578 dbg("%s - state = %d", __func__, on);
2733 2579
2734 /* chase the port close */ 2580 /* chase the port close */
2735 TIChasePort (edge_port, 0, 0); 2581 chase_port(edge_port, 0, 0);
2736 2582
2737 if (break_state == -1) { 2583 if (on == -1)
2738 status = TISetBreak (edge_port); 2584 bv = 1; /* On */
2739 } else { 2585 status = ti_do_config(edge_port, UMPC_SET_CLR_BREAK, bv);
2740 status = TIClearBreak (edge_port); 2586 if (status)
2741 } 2587 dbg("%s - error %d sending break set/clear command.",
2742 if (status) {
2743 dbg ("%s - error %d sending break set/clear command.",
2744 __func__, status); 2588 __func__, status);
2745 }
2746} 2589}
2747 2590
2748static int edge_startup (struct usb_serial *serial) 2591static int edge_startup(struct usb_serial *serial)
2749{ 2592{
2750 struct edgeport_serial *edge_serial; 2593 struct edgeport_serial *edge_serial;
2751 struct edgeport_port *edge_port; 2594 struct edgeport_port *edge_port;
@@ -2765,9 +2608,9 @@ static int edge_startup (struct usb_serial *serial)
2765 edge_serial->serial = serial; 2608 edge_serial->serial = serial;
2766 usb_set_serial_data(serial, edge_serial); 2609 usb_set_serial_data(serial, edge_serial);
2767 2610
2768 status = TIDownloadFirmware (edge_serial); 2611 status = download_fw(edge_serial);
2769 if (status) { 2612 if (status) {
2770 kfree (edge_serial); 2613 kfree(edge_serial);
2771 return status; 2614 return status;
2772 } 2615 }
2773 2616
@@ -2775,13 +2618,15 @@ static int edge_startup (struct usb_serial *serial)
2775 for (i = 0; i < serial->num_ports; ++i) { 2618 for (i = 0; i < serial->num_ports; ++i) {
2776 edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL); 2619 edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
2777 if (edge_port == NULL) { 2620 if (edge_port == NULL) {
2778 dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); 2621 dev_err(&serial->dev->dev, "%s - Out of memory\n",
2622 __func__);
2779 goto cleanup; 2623 goto cleanup;
2780 } 2624 }
2781 spin_lock_init(&edge_port->ep_lock); 2625 spin_lock_init(&edge_port->ep_lock);
2782 edge_port->ep_out_buf = edge_buf_alloc(EDGE_OUT_BUF_SIZE); 2626 edge_port->ep_out_buf = edge_buf_alloc(EDGE_OUT_BUF_SIZE);
2783 if (edge_port->ep_out_buf == NULL) { 2627 if (edge_port->ep_out_buf == NULL) {
2784 dev_err(&serial->dev->dev, "%s - Out of memory\n", __func__); 2628 dev_err(&serial->dev->dev, "%s - Out of memory\n",
2629 __func__);
2785 kfree(edge_port); 2630 kfree(edge_port);
2786 goto cleanup; 2631 goto cleanup;
2787 } 2632 }
@@ -2790,27 +2635,27 @@ static int edge_startup (struct usb_serial *serial)
2790 usb_set_serial_port_data(serial->port[i], edge_port); 2635 usb_set_serial_port_data(serial->port[i], edge_port);
2791 edge_port->bUartMode = default_uart_mode; 2636 edge_port->bUartMode = default_uart_mode;
2792 } 2637 }
2793 2638
2794 return 0; 2639 return 0;
2795 2640
2796cleanup: 2641cleanup:
2797 for (--i; i>=0; --i) { 2642 for (--i; i >= 0; --i) {
2798 edge_port = usb_get_serial_port_data(serial->port[i]); 2643 edge_port = usb_get_serial_port_data(serial->port[i]);
2799 edge_buf_free(edge_port->ep_out_buf); 2644 edge_buf_free(edge_port->ep_out_buf);
2800 kfree(edge_port); 2645 kfree(edge_port);
2801 usb_set_serial_port_data(serial->port[i], NULL); 2646 usb_set_serial_port_data(serial->port[i], NULL);
2802 } 2647 }
2803 kfree (edge_serial); 2648 kfree(edge_serial);
2804 usb_set_serial_data(serial, NULL); 2649 usb_set_serial_data(serial, NULL);
2805 return -ENOMEM; 2650 return -ENOMEM;
2806} 2651}
2807 2652
2808static void edge_shutdown (struct usb_serial *serial) 2653static void edge_shutdown(struct usb_serial *serial)
2809{ 2654{
2810 int i; 2655 int i;
2811 struct edgeport_port *edge_port; 2656 struct edgeport_port *edge_port;
2812 2657
2813 dbg ("%s", __func__); 2658 dbg("%s", __func__);
2814 2659
2815 for (i = 0; i < serial->num_ports; ++i) { 2660 for (i = 0; i < serial->num_ports; ++i) {
2816 edge_port = usb_get_serial_port_data(serial->port[i]); 2661 edge_port = usb_get_serial_port_data(serial->port[i]);
@@ -2852,7 +2697,8 @@ static ssize_t store_uart_mode(struct device *dev,
2852 return count; 2697 return count;
2853} 2698}
2854 2699
2855static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode, store_uart_mode); 2700static DEVICE_ATTR(uart_mode, S_IWUSR | S_IRUGO, show_uart_mode,
2701 store_uart_mode);
2856 2702
2857static int edge_create_sysfs_attrs(struct usb_serial_port *port) 2703static int edge_create_sysfs_attrs(struct usb_serial_port *port)
2858{ 2704{
@@ -2922,9 +2768,9 @@ static void edge_buf_free(struct edge_buf *eb)
2922 2768
2923static void edge_buf_clear(struct edge_buf *eb) 2769static void edge_buf_clear(struct edge_buf *eb)
2924{ 2770{
2925 if (eb != NULL) 2771 if (eb != NULL)
2926 eb->buf_get = eb->buf_put; 2772 eb->buf_get = eb->buf_put;
2927 /* equivalent to a get of all data available */ 2773 /* equivalent to a get of all data available */
2928} 2774}
2929 2775
2930 2776
@@ -2937,10 +2783,9 @@ static void edge_buf_clear(struct edge_buf *eb)
2937 2783
2938static unsigned int edge_buf_data_avail(struct edge_buf *eb) 2784static unsigned int edge_buf_data_avail(struct edge_buf *eb)
2939{ 2785{
2940 if (eb != NULL) 2786 if (eb == NULL)
2941 return ((eb->buf_size + eb->buf_put - eb->buf_get) % eb->buf_size);
2942 else
2943 return 0; 2787 return 0;
2788 return ((eb->buf_size + eb->buf_put - eb->buf_get) % eb->buf_size);
2944} 2789}
2945 2790
2946 2791
@@ -2953,10 +2798,9 @@ static unsigned int edge_buf_data_avail(struct edge_buf *eb)
2953 2798
2954static unsigned int edge_buf_space_avail(struct edge_buf *eb) 2799static unsigned int edge_buf_space_avail(struct edge_buf *eb)
2955{ 2800{
2956 if (eb != NULL) 2801 if (eb == NULL)
2957 return ((eb->buf_size + eb->buf_get - eb->buf_put - 1) % eb->buf_size);
2958 else
2959 return 0; 2802 return 0;
2803 return ((eb->buf_size + eb->buf_get - eb->buf_put - 1) % eb->buf_size);
2960} 2804}
2961 2805
2962 2806
@@ -3113,7 +2957,7 @@ static int __init edgeport_init(void)
3113 if (retval) 2957 if (retval)
3114 goto failed_2port_device_register; 2958 goto failed_2port_device_register;
3115 retval = usb_register(&io_driver); 2959 retval = usb_register(&io_driver);
3116 if (retval) 2960 if (retval)
3117 goto failed_usb_register; 2961 goto failed_usb_register;
3118 info(DRIVER_DESC " " DRIVER_VERSION); 2962 info(DRIVER_DESC " " DRIVER_VERSION);
3119 return 0; 2963 return 0;
@@ -3125,11 +2969,11 @@ failed_1port_device_register:
3125 return retval; 2969 return retval;
3126} 2970}
3127 2971
3128static void __exit edgeport_exit (void) 2972static void __exit edgeport_exit(void)
3129{ 2973{
3130 usb_deregister (&io_driver); 2974 usb_deregister(&io_driver);
3131 usb_serial_deregister (&edgeport_1port_device); 2975 usb_serial_deregister(&edgeport_1port_device);
3132 usb_serial_deregister (&edgeport_2port_device); 2976 usb_serial_deregister(&edgeport_2port_device);
3133} 2977}
3134 2978
3135module_init(edgeport_init); 2979module_init(edgeport_init);
@@ -3151,8 +2995,8 @@ module_param(closing_wait, int, S_IRUGO | S_IWUSR);
3151MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs"); 2995MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs");
3152 2996
3153module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR); 2997module_param(ignore_cpu_rev, bool, S_IRUGO | S_IWUSR);
3154MODULE_PARM_DESC(ignore_cpu_rev, "Ignore the cpu revision when connecting to a device"); 2998MODULE_PARM_DESC(ignore_cpu_rev,
2999 "Ignore the cpu revision when connecting to a device");
3155 3000
3156module_param(default_uart_mode, int, S_IRUGO | S_IWUSR); 3001module_param(default_uart_mode, int, S_IRUGO | S_IWUSR);
3157MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ..."); 3002MODULE_PARM_DESC(default_uart_mode, "Default uart_mode, 0=RS232, ...");
3158
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-17 18:13:29 -0400