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net/freescale: remove __dev* attributes
[linux/fpc-iii.git] / drivers / atm / solos-pci.c
blob6619a8a9607ce7be38bfe3cbc08e69215cfd4345
1 /*
2 * Driver for the Solos PCI ADSL2+ card, designed to support Linux by
3 * Traverse Technologies -- http://www.traverse.com.au/
4 * Xrio Limited -- http://www.xrio.com/
5 *
6 *
7 * Copyright © 2008 Traverse Technologies
8 * Copyright © 2008 Intel Corporation
9 *
10 * Authors: Nathan Williams <nathan@traverse.com.au>
11 * David Woodhouse <dwmw2@infradead.org>
12 * Treker Chen <treker@xrio.com>
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * version 2, as published by the Free Software Foundation.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 */
23
24 #define DEBUG
25 #define VERBOSE_DEBUG
26
27 #include <linux/interrupt.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/errno.h>
31 #include <linux/ioport.h>
32 #include <linux/types.h>
33 #include <linux/pci.h>
34 #include <linux/atm.h>
35 #include <linux/atmdev.h>
36 #include <linux/skbuff.h>
37 #include <linux/sysfs.h>
38 #include <linux/device.h>
39 #include <linux/kobject.h>
40 #include <linux/firmware.h>
41 #include <linux/ctype.h>
42 #include <linux/swab.h>
43 #include <linux/slab.h>
44
45 #define VERSION "0.07"
46 #define PTAG "solos-pci"
47
48 #define CONFIG_RAM_SIZE 128
49 #define FLAGS_ADDR 0x7C
50 #define IRQ_EN_ADDR 0x78
51 #define FPGA_VER 0x74
52 #define IRQ_CLEAR 0x70
53 #define WRITE_FLASH 0x6C
54 #define PORTS 0x68
55 #define FLASH_BLOCK 0x64
56 #define FLASH_BUSY 0x60
57 #define FPGA_MODE 0x5C
58 #define FLASH_MODE 0x58
59 #define TX_DMA_ADDR(port) (0x40 + (4 * (port)))
60 #define RX_DMA_ADDR(port) (0x30 + (4 * (port)))
61
62 #define DATA_RAM_SIZE 32768
63 #define BUF_SIZE 2048
64 #define OLD_BUF_SIZE 4096 /* For FPGA versions <= 2*/
65 #define FPGA_PAGE 528 /* FPGA flash page size*/
66 #define SOLOS_PAGE 512 /* Solos flash page size*/
67 #define FPGA_BLOCK (FPGA_PAGE * 8) /* FPGA flash block size*/
68 #define SOLOS_BLOCK (SOLOS_PAGE * 8) /* Solos flash block size*/
69
70 #define RX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2)
71 #define TX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2 + (card->buffer_size))
72 #define FLASH_BUF ((card->buffers) + 4*(card->buffer_size)*2)
73
74 #define RX_DMA_SIZE 2048
75
76 #define FPGA_VERSION(a,b) (((a) << 8) + (b))
77 #define LEGACY_BUFFERS 2
78 #define DMA_SUPPORTED 4
79
80 static int reset = 0;
81 static int atmdebug = 0;
82 static int firmware_upgrade = 0;
83 static int fpga_upgrade = 0;
84 static int db_firmware_upgrade = 0;
85 static int db_fpga_upgrade = 0;
86
87 struct pkt_hdr {
88 __le16 size;
89 __le16 vpi;
90 __le16 vci;
91 __le16 type;
92 };
93
94 struct solos_skb_cb {
95 struct atm_vcc *vcc;
96 uint32_t dma_addr;
97 };
98
99
100 #define SKB_CB(skb) ((struct solos_skb_cb *)skb->cb)
101
102 #define PKT_DATA 0
103 #define PKT_COMMAND 1
104 #define PKT_POPEN 3
105 #define PKT_PCLOSE 4
106 #define PKT_STATUS 5
107
108 struct solos_card {
109 void __iomem *config_regs;
110 void __iomem *buffers;
111 int nr_ports;
112 int tx_mask;
113 struct pci_dev *dev;
114 struct atm_dev *atmdev[4];
115 struct tasklet_struct tlet;
116 spinlock_t tx_lock;
117 spinlock_t tx_queue_lock;
118 spinlock_t cli_queue_lock;
119 spinlock_t param_queue_lock;
120 struct list_head param_queue;
121 struct sk_buff_head tx_queue[4];
122 struct sk_buff_head cli_queue[4];
123 struct sk_buff *tx_skb[4];
124 struct sk_buff *rx_skb[4];
125 wait_queue_head_t param_wq;
126 wait_queue_head_t fw_wq;
127 int using_dma;
128 int fpga_version;
129 int buffer_size;
130 };
131
132
133 struct solos_param {
134 struct list_head list;
135 pid_t pid;
136 int port;
137 struct sk_buff *response;
138 };
139
140 #define SOLOS_CHAN(atmdev) ((int)(unsigned long)(atmdev)->phy_data)
141
142 MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>");
143 MODULE_DESCRIPTION("Solos PCI driver");
144 MODULE_VERSION(VERSION);
145 MODULE_LICENSE("GPL");
146 MODULE_FIRMWARE("solos-FPGA.bin");
147 MODULE_FIRMWARE("solos-Firmware.bin");
148 MODULE_FIRMWARE("solos-db-FPGA.bin");
149 MODULE_PARM_DESC(reset, "Reset Solos chips on startup");
150 MODULE_PARM_DESC(atmdebug, "Print ATM data");
151 MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
152 MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade");
153 MODULE_PARM_DESC(db_firmware_upgrade, "Initiate daughter board Solos firmware upgrade");
154 MODULE_PARM_DESC(db_fpga_upgrade, "Initiate daughter board FPGA upgrade");
155 module_param(reset, int, 0444);
156 module_param(atmdebug, int, 0644);
157 module_param(firmware_upgrade, int, 0444);
158 module_param(fpga_upgrade, int, 0444);
159 module_param(db_firmware_upgrade, int, 0444);
160 module_param(db_fpga_upgrade, int, 0444);
161
162 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
163 struct atm_vcc *vcc);
164 static uint32_t fpga_tx(struct solos_card *);
165 static irqreturn_t solos_irq(int irq, void *dev_id);
166 static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci);
167 static int atm_init(struct solos_card *, struct device *);
168 static void atm_remove(struct solos_card *);
169 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size);
170 static void solos_bh(unsigned long);
171 static int print_buffer(struct sk_buff *buf);
172
173 static inline void solos_pop(struct atm_vcc *vcc, struct sk_buff *skb)
174 {
175 if (vcc->pop)
176 vcc->pop(vcc, skb);
177 else
178 dev_kfree_skb_any(skb);
179 }
180
181 static ssize_t solos_param_show(struct device *dev, struct device_attribute *attr,
182 char *buf)
183 {
184 struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
185 struct solos_card *card = atmdev->dev_data;
186 struct solos_param prm;
187 struct sk_buff *skb;
188 struct pkt_hdr *header;
189 int buflen;
190
191 buflen = strlen(attr->attr.name) + 10;
192
193 skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
194 if (!skb) {
195 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_show()\n");
196 return -ENOMEM;
197 }
198
199 header = (void *)skb_put(skb, sizeof(*header));
200
201 buflen = snprintf((void *)&header[1], buflen - 1,
202 "L%05d\n%s\n", current->pid, attr->attr.name);
203 skb_put(skb, buflen);
204
205 header->size = cpu_to_le16(buflen);
206 header->vpi = cpu_to_le16(0);
207 header->vci = cpu_to_le16(0);
208 header->type = cpu_to_le16(PKT_COMMAND);
209
210 prm.pid = current->pid;
211 prm.response = NULL;
212 prm.port = SOLOS_CHAN(atmdev);
213
214 spin_lock_irq(&card->param_queue_lock);
215 list_add(&prm.list, &card->param_queue);
216 spin_unlock_irq(&card->param_queue_lock);
217
218 fpga_queue(card, prm.port, skb, NULL);
219
220 wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
221
222 spin_lock_irq(&card->param_queue_lock);
223 list_del(&prm.list);
224 spin_unlock_irq(&card->param_queue_lock);
225
226 if (!prm.response)
227 return -EIO;
228
229 buflen = prm.response->len;
230 memcpy(buf, prm.response->data, buflen);
231 kfree_skb(prm.response);
232
233 return buflen;
234 }
235
236 static ssize_t solos_param_store(struct device *dev, struct device_attribute *attr,
237 const char *buf, size_t count)
238 {
239 struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
240 struct solos_card *card = atmdev->dev_data;
241 struct solos_param prm;
242 struct sk_buff *skb;
243 struct pkt_hdr *header;
244 int buflen;
245 ssize_t ret;
246
247 buflen = strlen(attr->attr.name) + 11 + count;
248
249 skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
250 if (!skb) {
251 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_store()\n");
252 return -ENOMEM;
253 }
254
255 header = (void *)skb_put(skb, sizeof(*header));
256
257 buflen = snprintf((void *)&header[1], buflen - 1,
258 "L%05d\n%s\n%s\n", current->pid, attr->attr.name, buf);
259
260 skb_put(skb, buflen);
261 header->size = cpu_to_le16(buflen);
262 header->vpi = cpu_to_le16(0);
263 header->vci = cpu_to_le16(0);
264 header->type = cpu_to_le16(PKT_COMMAND);
265
266 prm.pid = current->pid;
267 prm.response = NULL;
268 prm.port = SOLOS_CHAN(atmdev);
269
270 spin_lock_irq(&card->param_queue_lock);
271 list_add(&prm.list, &card->param_queue);
272 spin_unlock_irq(&card->param_queue_lock);
273
274 fpga_queue(card, prm.port, skb, NULL);
275
276 wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
277
278 spin_lock_irq(&card->param_queue_lock);
279 list_del(&prm.list);
280 spin_unlock_irq(&card->param_queue_lock);
281
282 skb = prm.response;
283
284 if (!skb)
285 return -EIO;
286
287 buflen = skb->len;
288
289 /* Sometimes it has a newline, sometimes it doesn't. */
290 if (skb->data[buflen - 1] == '\n')
291 buflen--;
292
293 if (buflen == 2 && !strncmp(skb->data, "OK", 2))
294 ret = count;
295 else if (buflen == 5 && !strncmp(skb->data, "ERROR", 5))
296 ret = -EIO;
297 else {
298 /* We know we have enough space allocated for this; we allocated
299 it ourselves */
300 skb->data[buflen] = 0;
301
302 dev_warn(&card->dev->dev, "Unexpected parameter response: '%s'\n",
303 skb->data);
304 ret = -EIO;
305 }
306 kfree_skb(skb);
307
308 return ret;
309 }
310
311 static char *next_string(struct sk_buff *skb)
312 {
313 int i = 0;
314 char *this = skb->data;
315
316 for (i = 0; i < skb->len; i++) {
317 if (this[i] == '\n') {
318 this[i] = 0;
319 skb_pull(skb, i + 1);
320 return this;
321 }
322 if (!isprint(this[i]))
323 return NULL;
324 }
325 return NULL;
326 }
327
328 /*
329 * Status packet has fields separated by \n, starting with a version number
330 * for the information therein. Fields are....
331 *
332 * packet version
333 * RxBitRate (version >= 1)
334 * TxBitRate (version >= 1)
335 * State (version >= 1)
336 * LocalSNRMargin (version >= 1)
337 * LocalLineAttn (version >= 1)
338 */
339 static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
340 {
341 char *str, *end, *state_str, *snr, *attn;
342 int ver, rate_up, rate_down;
343
344 if (!card->atmdev[port])
345 return -ENODEV;
346
347 str = next_string(skb);
348 if (!str)
349 return -EIO;
350
351 ver = simple_strtol(str, NULL, 10);
352 if (ver < 1) {
353 dev_warn(&card->dev->dev, "Unexpected status interrupt version %d\n",
354 ver);
355 return -EIO;
356 }
357
358 str = next_string(skb);
359 if (!str)
360 return -EIO;
361 if (!strcmp(str, "ERROR")) {
362 dev_dbg(&card->dev->dev, "Status packet indicated Solos error on port %d (starting up?)\n",
363 port);
364 return 0;
365 }
366
367 rate_down = simple_strtol(str, &end, 10);
368 if (*end)
369 return -EIO;
370
371 str = next_string(skb);
372 if (!str)
373 return -EIO;
374 rate_up = simple_strtol(str, &end, 10);
375 if (*end)
376 return -EIO;
377
378 state_str = next_string(skb);
379 if (!state_str)
380 return -EIO;
381
382 /* Anything but 'Showtime' is down */
383 if (strcmp(state_str, "Showtime")) {
384 atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_LOST);
385 dev_info(&card->dev->dev, "Port %d: %s\n", port, state_str);
386 return 0;
387 }
388
389 snr = next_string(skb);
390 if (!snr)
391 return -EIO;
392 attn = next_string(skb);
393 if (!attn)
394 return -EIO;
395
396 dev_info(&card->dev->dev, "Port %d: %s @%d/%d kb/s%s%s%s%s\n",
397 port, state_str, rate_down/1000, rate_up/1000,
398 snr[0]?", SNR ":"", snr, attn[0]?", Attn ":"", attn);
399
400 card->atmdev[port]->link_rate = rate_down / 424;
401 atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_FOUND);
402
403 return 0;
404 }
405
406 static int process_command(struct solos_card *card, int port, struct sk_buff *skb)
407 {
408 struct solos_param *prm;
409 unsigned long flags;
410 int cmdpid;
411 int found = 0;
412
413 if (skb->len < 7)
414 return 0;
415
416 if (skb->data[0] != 'L' || !isdigit(skb->data[1]) ||
417 !isdigit(skb->data[2]) || !isdigit(skb->data[3]) ||
418 !isdigit(skb->data[4]) || !isdigit(skb->data[5]) ||
419 skb->data[6] != '\n')
420 return 0;
421
422 cmdpid = simple_strtol(&skb->data[1], NULL, 10);
423
424 spin_lock_irqsave(&card->param_queue_lock, flags);
425 list_for_each_entry(prm, &card->param_queue, list) {
426 if (prm->port == port && prm->pid == cmdpid) {
427 prm->response = skb;
428 skb_pull(skb, 7);
429 wake_up(&card->param_wq);
430 found = 1;
431 break;
432 }
433 }
434 spin_unlock_irqrestore(&card->param_queue_lock, flags);
435 return found;
436 }
437
438 static ssize_t console_show(struct device *dev, struct device_attribute *attr,
439 char *buf)
440 {
441 struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
442 struct solos_card *card = atmdev->dev_data;
443 struct sk_buff *skb;
444 unsigned int len;
445
446 spin_lock(&card->cli_queue_lock);
447 skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]);
448 spin_unlock(&card->cli_queue_lock);
449 if(skb == NULL)
450 return sprintf(buf, "No data.\n");
451
452 len = skb->len;
453 memcpy(buf, skb->data, len);
454 dev_dbg(&card->dev->dev, "len: %d\n", len);
455
456 kfree_skb(skb);
457 return len;
458 }
459
460 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size)
461 {
462 struct sk_buff *skb;
463 struct pkt_hdr *header;
464
465 if (size > (BUF_SIZE - sizeof(*header))) {
466 dev_dbg(&card->dev->dev, "Command is too big. Dropping request\n");
467 return 0;
468 }
469 skb = alloc_skb(size + sizeof(*header), GFP_ATOMIC);
470 if (!skb) {
471 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in send_command()\n");
472 return 0;
473 }
474
475 header = (void *)skb_put(skb, sizeof(*header));
476
477 header->size = cpu_to_le16(size);
478 header->vpi = cpu_to_le16(0);
479 header->vci = cpu_to_le16(0);
480 header->type = cpu_to_le16(PKT_COMMAND);
481
482 memcpy(skb_put(skb, size), buf, size);
483
484 fpga_queue(card, dev, skb, NULL);
485
486 return 0;
487 }
488
489 static ssize_t console_store(struct device *dev, struct device_attribute *attr,
490 const char *buf, size_t count)
491 {
492 struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
493 struct solos_card *card = atmdev->dev_data;
494 int err;
495
496 err = send_command(card, SOLOS_CHAN(atmdev), buf, count);
497
498 return err?:count;
499 }
500
501 static DEVICE_ATTR(console, 0644, console_show, console_store);
502
503
504 #define SOLOS_ATTR_RO(x) static DEVICE_ATTR(x, 0444, solos_param_show, NULL);
505 #define SOLOS_ATTR_RW(x) static DEVICE_ATTR(x, 0644, solos_param_show, solos_param_store);
506
507 #include "solos-attrlist.c"
508
509 #undef SOLOS_ATTR_RO
510 #undef SOLOS_ATTR_RW
511
512 #define SOLOS_ATTR_RO(x) &dev_attr_##x.attr,
513 #define SOLOS_ATTR_RW(x) &dev_attr_##x.attr,
514
515 static struct attribute *solos_attrs[] = {
516 #include "solos-attrlist.c"
517 NULL
518 };
519
520 static struct attribute_group solos_attr_group = {
521 .attrs = solos_attrs,
522 .name = "parameters",
523 };
524
525 static int flash_upgrade(struct solos_card *card, int chip)
526 {
527 const struct firmware *fw;
528 const char *fw_name;
529 int blocksize = 0;
530 int numblocks = 0;
531 int offset;
532
533 switch (chip) {
534 case 0:
535 fw_name = "solos-FPGA.bin";
536 blocksize = FPGA_BLOCK;
537 break;
538 case 1:
539 fw_name = "solos-Firmware.bin";
540 blocksize = SOLOS_BLOCK;
541 break;
542 case 2:
543 if (card->fpga_version > LEGACY_BUFFERS){
544 fw_name = "solos-db-FPGA.bin";
545 blocksize = FPGA_BLOCK;
546 } else {
547 dev_info(&card->dev->dev, "FPGA version doesn't support"
548 " daughter board upgrades\n");
549 return -EPERM;
550 }
551 break;
552 case 3:
553 if (card->fpga_version > LEGACY_BUFFERS){
554 fw_name = "solos-Firmware.bin";
555 blocksize = SOLOS_BLOCK;
556 } else {
557 dev_info(&card->dev->dev, "FPGA version doesn't support"
558 " daughter board upgrades\n");
559 return -EPERM;
560 }
561 break;
562 default:
563 return -ENODEV;
564 }
565
566 if (request_firmware(&fw, fw_name, &card->dev->dev))
567 return -ENOENT;
568
569 dev_info(&card->dev->dev, "Flash upgrade starting\n");
570
571 numblocks = fw->size / blocksize;
572 dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size);
573 dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks);
574
575 dev_info(&card->dev->dev, "Changing FPGA to Update mode\n");
576 iowrite32(1, card->config_regs + FPGA_MODE);
577 (void) ioread32(card->config_regs + FPGA_MODE);
578
579 /* Set mode to Chip Erase */
580 if(chip == 0 || chip == 2)
581 dev_info(&card->dev->dev, "Set FPGA Flash mode to FPGA Chip Erase\n");
582 if(chip == 1 || chip == 3)
583 dev_info(&card->dev->dev, "Set FPGA Flash mode to Solos Chip Erase\n");
584 iowrite32((chip * 2), card->config_regs + FLASH_MODE);
585
586
587 iowrite32(1, card->config_regs + WRITE_FLASH);
588 wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
589
590 for (offset = 0; offset < fw->size; offset += blocksize) {
591 int i;
592
593 /* Clear write flag */
594 iowrite32(0, card->config_regs + WRITE_FLASH);
595
596 /* Set mode to Block Write */
597 /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */
598 iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE);
599
600 /* Copy block to buffer, swapping each 16 bits */
601 for(i = 0; i < blocksize; i += 4) {
602 uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
603 if(card->fpga_version > LEGACY_BUFFERS)
604 iowrite32(word, FLASH_BUF + i);
605 else
606 iowrite32(word, RX_BUF(card, 3) + i);
607 }
608
609 /* Specify block number and then trigger flash write */
610 iowrite32(offset / blocksize, card->config_regs + FLASH_BLOCK);
611 iowrite32(1, card->config_regs + WRITE_FLASH);
612 wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
613 }
614
615 release_firmware(fw);
616 iowrite32(0, card->config_regs + WRITE_FLASH);
617 iowrite32(0, card->config_regs + FPGA_MODE);
618 iowrite32(0, card->config_regs + FLASH_MODE);
619 dev_info(&card->dev->dev, "Returning FPGA to Data mode\n");
620 return 0;
621 }
622
623 static irqreturn_t solos_irq(int irq, void *dev_id)
624 {
625 struct solos_card *card = dev_id;
626 int handled = 1;
627
628 iowrite32(0, card->config_regs + IRQ_CLEAR);
629
630 /* If we're up and running, just kick the tasklet to process TX/RX */
631 if (card->atmdev[0])
632 tasklet_schedule(&card->tlet);
633 else
634 wake_up(&card->fw_wq);
635
636 return IRQ_RETVAL(handled);
637 }
638
639 void solos_bh(unsigned long card_arg)
640 {
641 struct solos_card *card = (void *)card_arg;
642 uint32_t card_flags;
643 uint32_t rx_done = 0;
644 int port;
645
646 /*
647 * Since fpga_tx() is going to need to read the flags under its lock,
648 * it can return them to us so that we don't have to hit PCI MMIO
649 * again for the same information
650 */
651 card_flags = fpga_tx(card);
652
653 for (port = 0; port < card->nr_ports; port++) {
654 if (card_flags & (0x10 << port)) {
655 struct pkt_hdr _hdr, *header;
656 struct sk_buff *skb;
657 struct atm_vcc *vcc;
658 int size;
659
660 if (card->using_dma) {
661 skb = card->rx_skb[port];
662 card->rx_skb[port] = NULL;
663
664 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
665 RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
666
667 header = (void *)skb->data;
668 size = le16_to_cpu(header->size);
669 skb_put(skb, size + sizeof(*header));
670 skb_pull(skb, sizeof(*header));
671 } else {
672 header = &_hdr;
673
674 rx_done |= 0x10 << port;
675
676 memcpy_fromio(header, RX_BUF(card, port), sizeof(*header));
677
678 size = le16_to_cpu(header->size);
679 if (size > (card->buffer_size - sizeof(*header))){
680 dev_warn(&card->dev->dev, "Invalid buffer size\n");
681 continue;
682 }
683
684 skb = alloc_skb(size + 1, GFP_ATOMIC);
685 if (!skb) {
686 if (net_ratelimit())
687 dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
688 continue;
689 }
690
691 memcpy_fromio(skb_put(skb, size),
692 RX_BUF(card, port) + sizeof(*header),
693 size);
694 }
695 if (atmdebug) {
696 dev_info(&card->dev->dev, "Received: port %d\n", port);
697 dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n",
698 size, le16_to_cpu(header->vpi),
699 le16_to_cpu(header->vci));
700 print_buffer(skb);
701 }
702
703 switch (le16_to_cpu(header->type)) {
704 case PKT_DATA:
705 vcc = find_vcc(card->atmdev[port], le16_to_cpu(header->vpi),
706 le16_to_cpu(header->vci));
707 if (!vcc) {
708 if (net_ratelimit())
709 dev_warn(&card->dev->dev, "Received packet for unknown VPI.VCI %d.%d on port %d\n",
710 le16_to_cpu(header->vpi), le16_to_cpu(header->vci),
711 port);
712 dev_kfree_skb_any(skb);
713 break;
714 }
715 atm_charge(vcc, skb->truesize);
716 vcc->push(vcc, skb);
717 atomic_inc(&vcc->stats->rx);
718 break;
719
720 case PKT_STATUS:
721 if (process_status(card, port, skb) &&
722 net_ratelimit()) {
723 dev_warn(&card->dev->dev, "Bad status packet of %d bytes on port %d:\n", skb->len, port);
724 print_buffer(skb);
725 }
726 dev_kfree_skb_any(skb);
727 break;
728
729 case PKT_COMMAND:
730 default: /* FIXME: Not really, surely? */
731 if (process_command(card, port, skb))
732 break;
733 spin_lock(&card->cli_queue_lock);
734 if (skb_queue_len(&card->cli_queue[port]) > 10) {
735 if (net_ratelimit())
736 dev_warn(&card->dev->dev, "Dropping console response on port %d\n",
737 port);
738 dev_kfree_skb_any(skb);
739 } else
740 skb_queue_tail(&card->cli_queue[port], skb);
741 spin_unlock(&card->cli_queue_lock);
742 break;
743 }
744 }
745 /* Allocate RX skbs for any ports which need them */
746 if (card->using_dma && card->atmdev[port] &&
747 !card->rx_skb[port]) {
748 struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
749 if (skb) {
750 SKB_CB(skb)->dma_addr =
751 pci_map_single(card->dev, skb->data,
752 RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
753 iowrite32(SKB_CB(skb)->dma_addr,
754 card->config_regs + RX_DMA_ADDR(port));
755 card->rx_skb[port] = skb;
756 } else {
757 if (net_ratelimit())
758 dev_warn(&card->dev->dev, "Failed to allocate RX skb");
759
760 /* We'll have to try again later */
761 tasklet_schedule(&card->tlet);
762 }
763 }
764 }
765 if (rx_done)
766 iowrite32(rx_done, card->config_regs + FLAGS_ADDR);
767
768 return;
769 }
770
771 static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
772 {
773 struct hlist_head *head;
774 struct atm_vcc *vcc = NULL;
775 struct hlist_node *node;
776 struct sock *s;
777
778 read_lock(&vcc_sklist_lock);
779 head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
780 sk_for_each(s, node, head) {
781 vcc = atm_sk(s);
782 if (vcc->dev == dev && vcc->vci == vci &&
783 vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE &&
784 test_bit(ATM_VF_READY, &vcc->flags))
785 goto out;
786 }
787 vcc = NULL;
788 out:
789 read_unlock(&vcc_sklist_lock);
790 return vcc;
791 }
792
793 static int popen(struct atm_vcc *vcc)
794 {
795 struct solos_card *card = vcc->dev->dev_data;
796 struct sk_buff *skb;
797 struct pkt_hdr *header;
798
799 if (vcc->qos.aal != ATM_AAL5) {
800 dev_warn(&card->dev->dev, "Unsupported ATM type %d\n",
801 vcc->qos.aal);
802 return -EINVAL;
803 }
804
805 skb = alloc_skb(sizeof(*header), GFP_KERNEL);
806 if (!skb) {
807 if (net_ratelimit())
808 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
809 return -ENOMEM;
810 }
811 header = (void *)skb_put(skb, sizeof(*header));
812
813 header->size = cpu_to_le16(0);
814 header->vpi = cpu_to_le16(vcc->vpi);
815 header->vci = cpu_to_le16(vcc->vci);
816 header->type = cpu_to_le16(PKT_POPEN);
817
818 fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
819
820 set_bit(ATM_VF_ADDR, &vcc->flags);
821 set_bit(ATM_VF_READY, &vcc->flags);
822
823 return 0;
824 }
825
826 static void pclose(struct atm_vcc *vcc)
827 {
828 struct solos_card *card = vcc->dev->dev_data;
829 unsigned char port = SOLOS_CHAN(vcc->dev);
830 struct sk_buff *skb, *tmpskb;
831 struct pkt_hdr *header;
832
833 /* Remove any yet-to-be-transmitted packets from the pending queue */
834 spin_lock(&card->tx_queue_lock);
835 skb_queue_walk_safe(&card->tx_queue[port], skb, tmpskb) {
836 if (SKB_CB(skb)->vcc == vcc) {
837 skb_unlink(skb, &card->tx_queue[port]);
838 solos_pop(vcc, skb);
839 }
840 }
841 spin_unlock(&card->tx_queue_lock);
842
843 skb = alloc_skb(sizeof(*header), GFP_KERNEL);
844 if (!skb) {
845 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n");
846 return;
847 }
848 header = (void *)skb_put(skb, sizeof(*header));
849
850 header->size = cpu_to_le16(0);
851 header->vpi = cpu_to_le16(vcc->vpi);
852 header->vci = cpu_to_le16(vcc->vci);
853 header->type = cpu_to_le16(PKT_PCLOSE);
854
855 skb_get(skb);
856 fpga_queue(card, port, skb, NULL);
857
858 if (!wait_event_timeout(card->param_wq, !skb_shared(skb), 5 * HZ))
859 dev_warn(&card->dev->dev,
860 "Timeout waiting for VCC close on port %d\n", port);
861
862 dev_kfree_skb(skb);
863
864 /* Hold up vcc_destroy_socket() (our caller) until solos_bh() in the
865 tasklet has finished processing any incoming packets (and, more to
866 the point, using the vcc pointer). */
867 tasklet_unlock_wait(&card->tlet);
868
869 clear_bit(ATM_VF_ADDR, &vcc->flags);
870
871 return;
872 }
873
874 static int print_buffer(struct sk_buff *buf)
875 {
876 int len,i;
877 char msg[500];
878 char item[10];
879
880 len = buf->len;
881 for (i = 0; i < len; i++){
882 if(i % 8 == 0)
883 sprintf(msg, "%02X: ", i);
884
885 sprintf(item,"%02X ",*(buf->data + i));
886 strcat(msg, item);
887 if(i % 8 == 7) {
888 sprintf(item, "\n");
889 strcat(msg, item);
890 printk(KERN_DEBUG "%s", msg);
891 }
892 }
893 if (i % 8 != 0) {
894 sprintf(item, "\n");
895 strcat(msg, item);
896 printk(KERN_DEBUG "%s", msg);
897 }
898 printk(KERN_DEBUG "\n");
899
900 return 0;
901 }
902
903 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
904 struct atm_vcc *vcc)
905 {
906 int old_len;
907 unsigned long flags;
908
909 SKB_CB(skb)->vcc = vcc;
910
911 spin_lock_irqsave(&card->tx_queue_lock, flags);
912 old_len = skb_queue_len(&card->tx_queue[port]);
913 skb_queue_tail(&card->tx_queue[port], skb);
914 if (!old_len)
915 card->tx_mask |= (1 << port);
916 spin_unlock_irqrestore(&card->tx_queue_lock, flags);
917
918 /* Theoretically we could just schedule the tasklet here, but
919 that introduces latency we don't want -- it's noticeable */
920 if (!old_len)
921 fpga_tx(card);
922 }
923
924 static uint32_t fpga_tx(struct solos_card *card)
925 {
926 uint32_t tx_pending, card_flags;
927 uint32_t tx_started = 0;
928 struct sk_buff *skb;
929 struct atm_vcc *vcc;
930 unsigned char port;
931 unsigned long flags;
932
933 spin_lock_irqsave(&card->tx_lock, flags);
934
935 card_flags = ioread32(card->config_regs + FLAGS_ADDR);
936 /*
937 * The queue lock is required for _writing_ to tx_mask, but we're
938 * OK to read it here without locking. The only potential update
939 * that we could race with is in fpga_queue() where it sets a bit
940 * for a new port... but it's going to call this function again if
941 * it's doing that, anyway.
942 */
943 tx_pending = card->tx_mask & ~card_flags;
944
945 for (port = 0; tx_pending; tx_pending >>= 1, port++) {
946 if (tx_pending & 1) {
947 struct sk_buff *oldskb = card->tx_skb[port];
948 if (oldskb)
949 pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr,
950 oldskb->len, PCI_DMA_TODEVICE);
951
952 spin_lock(&card->tx_queue_lock);
953 skb = skb_dequeue(&card->tx_queue[port]);
954 if (!skb)
955 card->tx_mask &= ~(1 << port);
956 spin_unlock(&card->tx_queue_lock);
957
958 if (skb && !card->using_dma) {
959 memcpy_toio(TX_BUF(card, port), skb->data, skb->len);
960 tx_started |= 1 << port;
961 oldskb = skb; /* We're done with this skb already */
962 } else if (skb && card->using_dma) {
963 SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data,
964 skb->len, PCI_DMA_TODEVICE);
965 card->tx_skb[port] = skb;
966 iowrite32(SKB_CB(skb)->dma_addr,
967 card->config_regs + TX_DMA_ADDR(port));
968 }
969
970 if (!oldskb)
971 continue;
972
973 /* Clean up and free oldskb now it's gone */
974 if (atmdebug) {
975 struct pkt_hdr *header = (void *)oldskb->data;
976 int size = le16_to_cpu(header->size);
977
978 skb_pull(oldskb, sizeof(*header));
979 dev_info(&card->dev->dev, "Transmitted: port %d\n",
980 port);
981 dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n",
982 size, le16_to_cpu(header->vpi),
983 le16_to_cpu(header->vci));
984 print_buffer(oldskb);
985 }
986
987 vcc = SKB_CB(oldskb)->vcc;
988
989 if (vcc) {
990 atomic_inc(&vcc->stats->tx);
991 solos_pop(vcc, oldskb);
992 } else {
993 dev_kfree_skb_irq(oldskb);
994 wake_up(&card->param_wq);
995 }
996 }
997 }
998 /* For non-DMA TX, write the 'TX start' bit for all four ports simultaneously */
999 if (tx_started)
1000 iowrite32(tx_started, card->config_regs + FLAGS_ADDR);
1001
1002 spin_unlock_irqrestore(&card->tx_lock, flags);
1003 return card_flags;
1004 }
1005
1006 static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
1007 {
1008 struct solos_card *card = vcc->dev->dev_data;
1009 struct pkt_hdr *header;
1010 int pktlen;
1011
1012 pktlen = skb->len;
1013 if (pktlen > (BUF_SIZE - sizeof(*header))) {
1014 dev_warn(&card->dev->dev, "Length of PDU is too large. Dropping PDU.\n");
1015 solos_pop(vcc, skb);
1016 return 0;
1017 }
1018
1019 if (!skb_clone_writable(skb, sizeof(*header))) {
1020 int expand_by = 0;
1021 int ret;
1022
1023 if (skb_headroom(skb) < sizeof(*header))
1024 expand_by = sizeof(*header) - skb_headroom(skb);
1025
1026 ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC);
1027 if (ret) {
1028 dev_warn(&card->dev->dev, "pskb_expand_head failed.\n");
1029 solos_pop(vcc, skb);
1030 return ret;
1031 }
1032 }
1033
1034 header = (void *)skb_push(skb, sizeof(*header));
1035
1036 /* This does _not_ include the size of the header */
1037 header->size = cpu_to_le16(pktlen);
1038 header->vpi = cpu_to_le16(vcc->vpi);
1039 header->vci = cpu_to_le16(vcc->vci);
1040 header->type = cpu_to_le16(PKT_DATA);
1041
1042 fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, vcc);
1043
1044 return 0;
1045 }
1046
1047 static struct atmdev_ops fpga_ops = {
1048 .open = popen,
1049 .close = pclose,
1050 .ioctl = NULL,
1051 .getsockopt = NULL,
1052 .setsockopt = NULL,
1053 .send = psend,
1054 .send_oam = NULL,
1055 .phy_put = NULL,
1056 .phy_get = NULL,
1057 .change_qos = NULL,
1058 .proc_read = NULL,
1059 .owner = THIS_MODULE
1060 };
1061
1062 static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
1063 {
1064 int err;
1065 uint16_t fpga_ver;
1066 uint8_t major_ver, minor_ver;
1067 uint32_t data32;
1068 struct solos_card *card;
1069
1070 card = kzalloc(sizeof(*card), GFP_KERNEL);
1071 if (!card)
1072 return -ENOMEM;
1073
1074 card->dev = dev;
1075 init_waitqueue_head(&card->fw_wq);
1076 init_waitqueue_head(&card->param_wq);
1077
1078 err = pci_enable_device(dev);
1079 if (err) {
1080 dev_warn(&dev->dev, "Failed to enable PCI device\n");
1081 goto out;
1082 }
1083
1084 err = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
1085 if (err) {
1086 dev_warn(&dev->dev, "Failed to set 32-bit DMA mask\n");
1087 goto out;
1088 }
1089
1090 err = pci_request_regions(dev, "solos");
1091 if (err) {
1092 dev_warn(&dev->dev, "Failed to request regions\n");
1093 goto out;
1094 }
1095
1096 card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE);
1097 if (!card->config_regs) {
1098 dev_warn(&dev->dev, "Failed to ioremap config registers\n");
1099 goto out_release_regions;
1100 }
1101 card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE);
1102 if (!card->buffers) {
1103 dev_warn(&dev->dev, "Failed to ioremap data buffers\n");
1104 goto out_unmap_config;
1105 }
1106
1107 if (reset) {
1108 iowrite32(1, card->config_regs + FPGA_MODE);
1109 data32 = ioread32(card->config_regs + FPGA_MODE);
1110
1111 iowrite32(0, card->config_regs + FPGA_MODE);
1112 data32 = ioread32(card->config_regs + FPGA_MODE);
1113 }
1114
1115 data32 = ioread32(card->config_regs + FPGA_VER);
1116 fpga_ver = (data32 & 0x0000FFFF);
1117 major_ver = ((data32 & 0xFF000000) >> 24);
1118 minor_ver = ((data32 & 0x00FF0000) >> 16);
1119 card->fpga_version = FPGA_VERSION(major_ver,minor_ver);
1120 if (card->fpga_version > LEGACY_BUFFERS)
1121 card->buffer_size = BUF_SIZE;
1122 else
1123 card->buffer_size = OLD_BUF_SIZE;
1124 dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n",
1125 major_ver, minor_ver, fpga_ver);
1126
1127 if (fpga_ver < 37 && (fpga_upgrade || firmware_upgrade ||
1128 db_fpga_upgrade || db_firmware_upgrade)) {
1129 dev_warn(&dev->dev,
1130 "FPGA too old; cannot upgrade flash. Use JTAG.\n");
1131 fpga_upgrade = firmware_upgrade = 0;
1132 db_fpga_upgrade = db_firmware_upgrade = 0;
1133 }
1134
1135 if (card->fpga_version >= DMA_SUPPORTED) {
1136 pci_set_master(dev);
1137 card->using_dma = 1;
1138 } else {
1139 card->using_dma = 0;
1140 /* Set RX empty flag for all ports */
1141 iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
1142 }
1143
1144 data32 = ioread32(card->config_regs + PORTS);
1145 card->nr_ports = (data32 & 0x000000FF);
1146
1147 pci_set_drvdata(dev, card);
1148
1149 tasklet_init(&card->tlet, solos_bh, (unsigned long)card);
1150 spin_lock_init(&card->tx_lock);
1151 spin_lock_init(&card->tx_queue_lock);
1152 spin_lock_init(&card->cli_queue_lock);
1153 spin_lock_init(&card->param_queue_lock);
1154 INIT_LIST_HEAD(&card->param_queue);
1155
1156 err = request_irq(dev->irq, solos_irq, IRQF_SHARED,
1157 "solos-pci", card);
1158 if (err) {
1159 dev_dbg(&card->dev->dev, "Failed to request interrupt IRQ: %d\n", dev->irq);
1160 goto out_unmap_both;
1161 }
1162
1163 iowrite32(1, card->config_regs + IRQ_EN_ADDR);
1164
1165 if (fpga_upgrade)
1166 flash_upgrade(card, 0);
1167
1168 if (firmware_upgrade)
1169 flash_upgrade(card, 1);
1170
1171 if (db_fpga_upgrade)
1172 flash_upgrade(card, 2);
1173
1174 if (db_firmware_upgrade)
1175 flash_upgrade(card, 3);
1176
1177 err = atm_init(card, &dev->dev);
1178 if (err)
1179 goto out_free_irq;
1180
1181 return 0;
1182
1183 out_free_irq:
1184 iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1185 free_irq(dev->irq, card);
1186 tasklet_kill(&card->tlet);
1187
1188 out_unmap_both:
1189 pci_set_drvdata(dev, NULL);
1190 pci_iounmap(dev, card->buffers);
1191 out_unmap_config:
1192 pci_iounmap(dev, card->config_regs);
1193 out_release_regions:
1194 pci_release_regions(dev);
1195 out:
1196 kfree(card);
1197 return err;
1198 }
1199
1200 static int atm_init(struct solos_card *card, struct device *parent)
1201 {
1202 int i;
1203
1204 for (i = 0; i < card->nr_ports; i++) {
1205 struct sk_buff *skb;
1206 struct pkt_hdr *header;
1207
1208 skb_queue_head_init(&card->tx_queue[i]);
1209 skb_queue_head_init(&card->cli_queue[i]);
1210
1211 card->atmdev[i] = atm_dev_register("solos-pci", parent, &fpga_ops, -1, NULL);
1212 if (!card->atmdev[i]) {
1213 dev_err(&card->dev->dev, "Could not register ATM device %d\n", i);
1214 atm_remove(card);
1215 return -ENODEV;
1216 }
1217 if (device_create_file(&card->atmdev[i]->class_dev, &dev_attr_console))
1218 dev_err(&card->dev->dev, "Could not register console for ATM device %d\n", i);
1219 if (sysfs_create_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group))
1220 dev_err(&card->dev->dev, "Could not register parameter group for ATM device %d\n", i);
1221
1222 dev_info(&card->dev->dev, "Registered ATM device %d\n", card->atmdev[i]->number);
1223
1224 card->atmdev[i]->ci_range.vpi_bits = 8;
1225 card->atmdev[i]->ci_range.vci_bits = 16;
1226 card->atmdev[i]->dev_data = card;
1227 card->atmdev[i]->phy_data = (void *)(unsigned long)i;
1228 atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_FOUND);
1229
1230 skb = alloc_skb(sizeof(*header), GFP_KERNEL);
1231 if (!skb) {
1232 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n");
1233 continue;
1234 }
1235
1236 header = (void *)skb_put(skb, sizeof(*header));
1237
1238 header->size = cpu_to_le16(0);
1239 header->vpi = cpu_to_le16(0);
1240 header->vci = cpu_to_le16(0);
1241 header->type = cpu_to_le16(PKT_STATUS);
1242
1243 fpga_queue(card, i, skb, NULL);
1244 }
1245 return 0;
1246 }
1247
1248 static void atm_remove(struct solos_card *card)
1249 {
1250 int i;
1251
1252 for (i = 0; i < card->nr_ports; i++) {
1253 if (card->atmdev[i]) {
1254 struct sk_buff *skb;
1255
1256 dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number);
1257
1258 sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group);
1259 atm_dev_deregister(card->atmdev[i]);
1260
1261 skb = card->rx_skb[i];
1262 if (skb) {
1263 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
1264 RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
1265 dev_kfree_skb(skb);
1266 }
1267 skb = card->tx_skb[i];
1268 if (skb) {
1269 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
1270 skb->len, PCI_DMA_TODEVICE);
1271 dev_kfree_skb(skb);
1272 }
1273 while ((skb = skb_dequeue(&card->tx_queue[i])))
1274 dev_kfree_skb(skb);
1275
1276 }
1277 }
1278 }
1279
1280 static void fpga_remove(struct pci_dev *dev)
1281 {
1282 struct solos_card *card = pci_get_drvdata(dev);
1283
1284 /* Disable IRQs */
1285 iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1286
1287 /* Reset FPGA */
1288 iowrite32(1, card->config_regs + FPGA_MODE);
1289 (void)ioread32(card->config_regs + FPGA_MODE);
1290
1291 atm_remove(card);
1292
1293 free_irq(dev->irq, card);
1294 tasklet_kill(&card->tlet);
1295
1296 /* Release device from reset */
1297 iowrite32(0, card->config_regs + FPGA_MODE);
1298 (void)ioread32(card->config_regs + FPGA_MODE);
1299
1300 pci_iounmap(dev, card->buffers);
1301 pci_iounmap(dev, card->config_regs);
1302
1303 pci_release_regions(dev);
1304 pci_disable_device(dev);
1305
1306 pci_set_drvdata(dev, NULL);
1307 kfree(card);
1308 }
1309
1310 static struct pci_device_id fpga_pci_tbl[] __devinitdata = {
1311 { 0x10ee, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
1312 { 0, }
1313 };
1314
1315 MODULE_DEVICE_TABLE(pci,fpga_pci_tbl);
1316
1317 static struct pci_driver fpga_driver = {
1318 .name = "solos",
1319 .id_table = fpga_pci_tbl,
1320 .probe = fpga_probe,
1321 .remove = fpga_remove,
1322 };
1323
1324
1325 static int __init solos_pci_init(void)
1326 {
1327 BUILD_BUG_ON(sizeof(struct solos_skb_cb) > sizeof(((struct sk_buff *)0)->cb));
1328
1329 printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION);
1330 return pci_register_driver(&fpga_driver);
1331 }
1332
1333 static void __exit solos_pci_exit(void)
1334 {
1335 pci_unregister_driver(&fpga_driver);
1336 printk(KERN_INFO "Solos PCI Driver %s Unloaded\n", VERSION);
1337 }
1338
1339 module_init(solos_pci_init);
1340 module_exit(solos_pci_exit);
Linux with added FPC-III support