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Commit | Line | Data |
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9c54004e DW |
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> | |
7c4015bd | 12 | * Treker Chen <treker@xrio.com> |
9c54004e DW |
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> | |
7c4015bd | 40 | #include <linux/firmware.h> |
01e2ffac DW |
41 | #include <linux/ctype.h> |
42 | #include <linux/swab.h> | |
5a0e3ad6 | 43 | #include <linux/slab.h> |
9c54004e | 44 | |
13af8164 NW |
45 | #define VERSION "1.04" |
46 | #define DRIVER_VERSION 0x01 | |
9c54004e DW |
47 | #define PTAG "solos-pci" |
48 | ||
49 | #define CONFIG_RAM_SIZE 128 | |
50 | #define FLAGS_ADDR 0x7C | |
51 | #define IRQ_EN_ADDR 0x78 | |
52 | #define FPGA_VER 0x74 | |
53 | #define IRQ_CLEAR 0x70 | |
7c4015bd SF |
54 | #define WRITE_FLASH 0x6C |
55 | #define PORTS 0x68 | |
56 | #define FLASH_BLOCK 0x64 | |
57 | #define FLASH_BUSY 0x60 | |
58 | #define FPGA_MODE 0x5C | |
59 | #define FLASH_MODE 0x58 | |
f9baad02 | 60 | #define GPIO_STATUS 0x54 |
13af8164 | 61 | #define DRIVER_VER 0x50 |
90937231 DW |
62 | #define TX_DMA_ADDR(port) (0x40 + (4 * (port))) |
63 | #define RX_DMA_ADDR(port) (0x30 + (4 * (port))) | |
9c54004e DW |
64 | |
65 | #define DATA_RAM_SIZE 32768 | |
4dbedf43 NW |
66 | #define BUF_SIZE 2048 |
67 | #define OLD_BUF_SIZE 4096 /* For FPGA versions <= 2*/ | |
13af8164 NW |
68 | /* Old boards use ATMEL AD45DB161D flash */ |
69 | #define ATMEL_FPGA_PAGE 528 /* FPGA flash page size*/ | |
70 | #define ATMEL_SOLOS_PAGE 512 /* Solos flash page size*/ | |
71 | #define ATMEL_FPGA_BLOCK (ATMEL_FPGA_PAGE * 8) /* FPGA block size*/ | |
72 | #define ATMEL_SOLOS_BLOCK (ATMEL_SOLOS_PAGE * 8) /* Solos block size*/ | |
73 | /* Current boards use M25P/M25PE SPI flash */ | |
74 | #define SPI_FLASH_BLOCK (256 * 64) | |
9c54004e | 75 | |
4dbedf43 NW |
76 | #define RX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2) |
77 | #define TX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2 + (card->buffer_size)) | |
78 | #define FLASH_BUF ((card->buffers) + 4*(card->buffer_size)*2) | |
9c54004e | 79 | |
eaf83e39 DW |
80 | #define RX_DMA_SIZE 2048 |
81 | ||
4dbedf43 NW |
82 | #define FPGA_VERSION(a,b) (((a) << 8) + (b)) |
83 | #define LEGACY_BUFFERS 2 | |
84 | #define DMA_SUPPORTED 4 | |
85 | ||
cc3657e1 | 86 | static int reset = 0; |
9c54004e | 87 | static int atmdebug = 0; |
7c4015bd SF |
88 | static int firmware_upgrade = 0; |
89 | static int fpga_upgrade = 0; | |
4dbedf43 NW |
90 | static int db_firmware_upgrade = 0; |
91 | static int db_fpga_upgrade = 0; | |
9c54004e DW |
92 | |
93 | struct pkt_hdr { | |
94 | __le16 size; | |
95 | __le16 vpi; | |
96 | __le16 vci; | |
97 | __le16 type; | |
98 | }; | |
99 | ||
90937231 DW |
100 | struct solos_skb_cb { |
101 | struct atm_vcc *vcc; | |
102 | uint32_t dma_addr; | |
103 | }; | |
104 | ||
105 | ||
106 | #define SKB_CB(skb) ((struct solos_skb_cb *)skb->cb) | |
107 | ||
9c54004e DW |
108 | #define PKT_DATA 0 |
109 | #define PKT_COMMAND 1 | |
110 | #define PKT_POPEN 3 | |
111 | #define PKT_PCLOSE 4 | |
87ebb186 | 112 | #define PKT_STATUS 5 |
9c54004e DW |
113 | |
114 | struct solos_card { | |
115 | void __iomem *config_regs; | |
116 | void __iomem *buffers; | |
117 | int nr_ports; | |
f69e4170 | 118 | int tx_mask; |
9c54004e DW |
119 | struct pci_dev *dev; |
120 | struct atm_dev *atmdev[4]; | |
121 | struct tasklet_struct tlet; | |
122 | spinlock_t tx_lock; | |
123 | spinlock_t tx_queue_lock; | |
124 | spinlock_t cli_queue_lock; | |
01e2ffac DW |
125 | spinlock_t param_queue_lock; |
126 | struct list_head param_queue; | |
9c54004e DW |
127 | struct sk_buff_head tx_queue[4]; |
128 | struct sk_buff_head cli_queue[4]; | |
90937231 DW |
129 | struct sk_buff *tx_skb[4]; |
130 | struct sk_buff *rx_skb[4]; | |
152a2a8b | 131 | unsigned char *dma_bounce; |
01e2ffac | 132 | wait_queue_head_t param_wq; |
fa755b9f | 133 | wait_queue_head_t fw_wq; |
90937231 | 134 | int using_dma; |
152a2a8b | 135 | int dma_alignment; |
4dbedf43 NW |
136 | int fpga_version; |
137 | int buffer_size; | |
13af8164 | 138 | int atmel_flash; |
9c54004e DW |
139 | }; |
140 | ||
01e2ffac DW |
141 | |
142 | struct solos_param { | |
143 | struct list_head list; | |
144 | pid_t pid; | |
145 | int port; | |
146 | struct sk_buff *response; | |
9c54004e DW |
147 | }; |
148 | ||
149 | #define SOLOS_CHAN(atmdev) ((int)(unsigned long)(atmdev)->phy_data) | |
150 | ||
151 | MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>"); | |
152 | MODULE_DESCRIPTION("Solos PCI driver"); | |
153 | MODULE_VERSION(VERSION); | |
154 | MODULE_LICENSE("GPL"); | |
9fca79d6 BH |
155 | MODULE_FIRMWARE("solos-FPGA.bin"); |
156 | MODULE_FIRMWARE("solos-Firmware.bin"); | |
157 | MODULE_FIRMWARE("solos-db-FPGA.bin"); | |
cc3657e1 | 158 | MODULE_PARM_DESC(reset, "Reset Solos chips on startup"); |
9c54004e | 159 | MODULE_PARM_DESC(atmdebug, "Print ATM data"); |
7c4015bd SF |
160 | MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade"); |
161 | MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade"); | |
4dbedf43 NW |
162 | MODULE_PARM_DESC(db_firmware_upgrade, "Initiate daughter board Solos firmware upgrade"); |
163 | MODULE_PARM_DESC(db_fpga_upgrade, "Initiate daughter board FPGA upgrade"); | |
cc3657e1 | 164 | module_param(reset, int, 0444); |
4306cad6 | 165 | module_param(atmdebug, int, 0644); |
7c4015bd SF |
166 | module_param(firmware_upgrade, int, 0444); |
167 | module_param(fpga_upgrade, int, 0444); | |
4dbedf43 NW |
168 | module_param(db_firmware_upgrade, int, 0444); |
169 | module_param(db_fpga_upgrade, int, 0444); | |
9c54004e DW |
170 | |
171 | static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb, | |
172 | struct atm_vcc *vcc); | |
35c2221b | 173 | static uint32_t fpga_tx(struct solos_card *); |
9c54004e DW |
174 | static irqreturn_t solos_irq(int irq, void *dev_id); |
175 | static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci); | |
d9ca676b | 176 | static int atm_init(struct solos_card *, struct device *); |
9c54004e DW |
177 | static void atm_remove(struct solos_card *); |
178 | static int send_command(struct solos_card *card, int dev, const char *buf, size_t size); | |
179 | static void solos_bh(unsigned long); | |
180 | static int print_buffer(struct sk_buff *buf); | |
181 | ||
182 | static inline void solos_pop(struct atm_vcc *vcc, struct sk_buff *skb) | |
183 | { | |
184 | if (vcc->pop) | |
185 | vcc->pop(vcc, skb); | |
186 | else | |
187 | dev_kfree_skb_any(skb); | |
188 | } | |
189 | ||
01e2ffac DW |
190 | static ssize_t solos_param_show(struct device *dev, struct device_attribute *attr, |
191 | char *buf) | |
192 | { | |
193 | struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev); | |
194 | struct solos_card *card = atmdev->dev_data; | |
195 | struct solos_param prm; | |
196 | struct sk_buff *skb; | |
197 | struct pkt_hdr *header; | |
198 | int buflen; | |
199 | ||
200 | buflen = strlen(attr->attr.name) + 10; | |
201 | ||
3456b221 | 202 | skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL); |
01e2ffac DW |
203 | if (!skb) { |
204 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_show()\n"); | |
205 | return -ENOMEM; | |
206 | } | |
207 | ||
208 | header = (void *)skb_put(skb, sizeof(*header)); | |
209 | ||
210 | buflen = snprintf((void *)&header[1], buflen - 1, | |
211 | "L%05d\n%s\n", current->pid, attr->attr.name); | |
212 | skb_put(skb, buflen); | |
213 | ||
214 | header->size = cpu_to_le16(buflen); | |
215 | header->vpi = cpu_to_le16(0); | |
216 | header->vci = cpu_to_le16(0); | |
217 | header->type = cpu_to_le16(PKT_COMMAND); | |
218 | ||
219 | prm.pid = current->pid; | |
220 | prm.response = NULL; | |
221 | prm.port = SOLOS_CHAN(atmdev); | |
222 | ||
223 | spin_lock_irq(&card->param_queue_lock); | |
224 | list_add(&prm.list, &card->param_queue); | |
225 | spin_unlock_irq(&card->param_queue_lock); | |
226 | ||
227 | fpga_queue(card, prm.port, skb, NULL); | |
228 | ||
229 | wait_event_timeout(card->param_wq, prm.response, 5 * HZ); | |
230 | ||
231 | spin_lock_irq(&card->param_queue_lock); | |
232 | list_del(&prm.list); | |
233 | spin_unlock_irq(&card->param_queue_lock); | |
234 | ||
235 | if (!prm.response) | |
236 | return -EIO; | |
237 | ||
238 | buflen = prm.response->len; | |
239 | memcpy(buf, prm.response->data, buflen); | |
240 | kfree_skb(prm.response); | |
241 | ||
242 | return buflen; | |
243 | } | |
244 | ||
245 | static ssize_t solos_param_store(struct device *dev, struct device_attribute *attr, | |
246 | const char *buf, size_t count) | |
247 | { | |
248 | struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev); | |
249 | struct solos_card *card = atmdev->dev_data; | |
250 | struct solos_param prm; | |
251 | struct sk_buff *skb; | |
252 | struct pkt_hdr *header; | |
253 | int buflen; | |
254 | ssize_t ret; | |
255 | ||
256 | buflen = strlen(attr->attr.name) + 11 + count; | |
257 | ||
3456b221 | 258 | skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL); |
01e2ffac DW |
259 | if (!skb) { |
260 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_store()\n"); | |
261 | return -ENOMEM; | |
262 | } | |
263 | ||
264 | header = (void *)skb_put(skb, sizeof(*header)); | |
265 | ||
266 | buflen = snprintf((void *)&header[1], buflen - 1, | |
267 | "L%05d\n%s\n%s\n", current->pid, attr->attr.name, buf); | |
268 | ||
269 | skb_put(skb, buflen); | |
270 | header->size = cpu_to_le16(buflen); | |
271 | header->vpi = cpu_to_le16(0); | |
272 | header->vci = cpu_to_le16(0); | |
273 | header->type = cpu_to_le16(PKT_COMMAND); | |
274 | ||
275 | prm.pid = current->pid; | |
276 | prm.response = NULL; | |
277 | prm.port = SOLOS_CHAN(atmdev); | |
278 | ||
279 | spin_lock_irq(&card->param_queue_lock); | |
280 | list_add(&prm.list, &card->param_queue); | |
281 | spin_unlock_irq(&card->param_queue_lock); | |
282 | ||
283 | fpga_queue(card, prm.port, skb, NULL); | |
284 | ||
285 | wait_event_timeout(card->param_wq, prm.response, 5 * HZ); | |
286 | ||
287 | spin_lock_irq(&card->param_queue_lock); | |
288 | list_del(&prm.list); | |
289 | spin_unlock_irq(&card->param_queue_lock); | |
290 | ||
291 | skb = prm.response; | |
292 | ||
293 | if (!skb) | |
294 | return -EIO; | |
295 | ||
296 | buflen = skb->len; | |
297 | ||
298 | /* Sometimes it has a newline, sometimes it doesn't. */ | |
299 | if (skb->data[buflen - 1] == '\n') | |
300 | buflen--; | |
301 | ||
302 | if (buflen == 2 && !strncmp(skb->data, "OK", 2)) | |
303 | ret = count; | |
304 | else if (buflen == 5 && !strncmp(skb->data, "ERROR", 5)) | |
305 | ret = -EIO; | |
306 | else { | |
307 | /* We know we have enough space allocated for this; we allocated | |
308 | it ourselves */ | |
309 | skb->data[buflen] = 0; | |
310 | ||
311 | dev_warn(&card->dev->dev, "Unexpected parameter response: '%s'\n", | |
312 | skb->data); | |
313 | ret = -EIO; | |
314 | } | |
315 | kfree_skb(skb); | |
316 | ||
317 | return ret; | |
318 | } | |
319 | ||
87ebb186 DW |
320 | static char *next_string(struct sk_buff *skb) |
321 | { | |
322 | int i = 0; | |
323 | char *this = skb->data; | |
c6428e52 DW |
324 | |
325 | for (i = 0; i < skb->len; i++) { | |
87ebb186 DW |
326 | if (this[i] == '\n') { |
327 | this[i] = 0; | |
c6428e52 | 328 | skb_pull(skb, i + 1); |
87ebb186 DW |
329 | return this; |
330 | } | |
c6428e52 DW |
331 | if (!isprint(this[i])) |
332 | return NULL; | |
87ebb186 DW |
333 | } |
334 | return NULL; | |
335 | } | |
336 | ||
337 | /* | |
338 | * Status packet has fields separated by \n, starting with a version number | |
339 | * for the information therein. Fields are.... | |
340 | * | |
341 | * packet version | |
87ebb186 | 342 | * RxBitRate (version >= 1) |
f87b2ed2 | 343 | * TxBitRate (version >= 1) |
87ebb186 | 344 | * State (version >= 1) |
f87b2ed2 DW |
345 | * LocalSNRMargin (version >= 1) |
346 | * LocalLineAttn (version >= 1) | |
87ebb186 DW |
347 | */ |
348 | static int process_status(struct solos_card *card, int port, struct sk_buff *skb) | |
349 | { | |
f87b2ed2 DW |
350 | char *str, *end, *state_str, *snr, *attn; |
351 | int ver, rate_up, rate_down; | |
87ebb186 DW |
352 | |
353 | if (!card->atmdev[port]) | |
354 | return -ENODEV; | |
355 | ||
356 | str = next_string(skb); | |
357 | if (!str) | |
358 | return -EIO; | |
359 | ||
360 | ver = simple_strtol(str, NULL, 10); | |
361 | if (ver < 1) { | |
362 | dev_warn(&card->dev->dev, "Unexpected status interrupt version %d\n", | |
363 | ver); | |
364 | return -EIO; | |
365 | } | |
366 | ||
367 | str = next_string(skb); | |
c6428e52 DW |
368 | if (!str) |
369 | return -EIO; | |
95852f48 DW |
370 | if (!strcmp(str, "ERROR")) { |
371 | dev_dbg(&card->dev->dev, "Status packet indicated Solos error on port %d (starting up?)\n", | |
372 | port); | |
373 | return 0; | |
374 | } | |
375 | ||
f87b2ed2 | 376 | rate_down = simple_strtol(str, &end, 10); |
87ebb186 DW |
377 | if (*end) |
378 | return -EIO; | |
379 | ||
380 | str = next_string(skb); | |
c6428e52 DW |
381 | if (!str) |
382 | return -EIO; | |
f87b2ed2 | 383 | rate_up = simple_strtol(str, &end, 10); |
87ebb186 DW |
384 | if (*end) |
385 | return -EIO; | |
386 | ||
af780656 | 387 | state_str = next_string(skb); |
c6428e52 DW |
388 | if (!state_str) |
389 | return -EIO; | |
f87b2ed2 DW |
390 | |
391 | /* Anything but 'Showtime' is down */ | |
392 | if (strcmp(state_str, "Showtime")) { | |
49d49106 | 393 | atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_LOST); |
f87b2ed2 DW |
394 | dev_info(&card->dev->dev, "Port %d: %s\n", port, state_str); |
395 | return 0; | |
1e615df6 | 396 | } |
87ebb186 | 397 | |
f87b2ed2 | 398 | snr = next_string(skb); |
6cf5767c | 399 | if (!snr) |
f87b2ed2 DW |
400 | return -EIO; |
401 | attn = next_string(skb); | |
402 | if (!attn) | |
403 | return -EIO; | |
404 | ||
405 | dev_info(&card->dev->dev, "Port %d: %s @%d/%d kb/s%s%s%s%s\n", | |
406 | port, state_str, rate_down/1000, rate_up/1000, | |
407 | snr[0]?", SNR ":"", snr, attn[0]?", Attn ":"", attn); | |
408 | ||
c6428e52 | 409 | card->atmdev[port]->link_rate = rate_down / 424; |
49d49106 | 410 | atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_FOUND); |
87ebb186 | 411 | |
87ebb186 DW |
412 | return 0; |
413 | } | |
414 | ||
01e2ffac DW |
415 | static int process_command(struct solos_card *card, int port, struct sk_buff *skb) |
416 | { | |
417 | struct solos_param *prm; | |
418 | unsigned long flags; | |
419 | int cmdpid; | |
420 | int found = 0; | |
421 | ||
422 | if (skb->len < 7) | |
423 | return 0; | |
424 | ||
425 | if (skb->data[0] != 'L' || !isdigit(skb->data[1]) || | |
426 | !isdigit(skb->data[2]) || !isdigit(skb->data[3]) || | |
427 | !isdigit(skb->data[4]) || !isdigit(skb->data[5]) || | |
428 | skb->data[6] != '\n') | |
429 | return 0; | |
430 | ||
431 | cmdpid = simple_strtol(&skb->data[1], NULL, 10); | |
432 | ||
433 | spin_lock_irqsave(&card->param_queue_lock, flags); | |
434 | list_for_each_entry(prm, &card->param_queue, list) { | |
435 | if (prm->port == port && prm->pid == cmdpid) { | |
436 | prm->response = skb; | |
437 | skb_pull(skb, 7); | |
438 | wake_up(&card->param_wq); | |
439 | found = 1; | |
440 | break; | |
441 | } | |
442 | } | |
443 | spin_unlock_irqrestore(&card->param_queue_lock, flags); | |
444 | return found; | |
445 | } | |
446 | ||
9c54004e DW |
447 | static ssize_t console_show(struct device *dev, struct device_attribute *attr, |
448 | char *buf) | |
449 | { | |
450 | struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev); | |
451 | struct solos_card *card = atmdev->dev_data; | |
452 | struct sk_buff *skb; | |
f1ee89d5 | 453 | unsigned int len; |
9c54004e DW |
454 | |
455 | spin_lock(&card->cli_queue_lock); | |
456 | skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]); | |
457 | spin_unlock(&card->cli_queue_lock); | |
458 | if(skb == NULL) | |
459 | return sprintf(buf, "No data.\n"); | |
460 | ||
f1ee89d5 JS |
461 | len = skb->len; |
462 | memcpy(buf, skb->data, len); | |
9c54004e DW |
463 | |
464 | kfree_skb(skb); | |
f1ee89d5 | 465 | return len; |
9c54004e DW |
466 | } |
467 | ||
468 | static int send_command(struct solos_card *card, int dev, const char *buf, size_t size) | |
469 | { | |
470 | struct sk_buff *skb; | |
471 | struct pkt_hdr *header; | |
472 | ||
9c54004e DW |
473 | if (size > (BUF_SIZE - sizeof(*header))) { |
474 | dev_dbg(&card->dev->dev, "Command is too big. Dropping request\n"); | |
475 | return 0; | |
476 | } | |
477 | skb = alloc_skb(size + sizeof(*header), GFP_ATOMIC); | |
478 | if (!skb) { | |
479 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in send_command()\n"); | |
480 | return 0; | |
481 | } | |
482 | ||
483 | header = (void *)skb_put(skb, sizeof(*header)); | |
484 | ||
485 | header->size = cpu_to_le16(size); | |
486 | header->vpi = cpu_to_le16(0); | |
487 | header->vci = cpu_to_le16(0); | |
488 | header->type = cpu_to_le16(PKT_COMMAND); | |
489 | ||
490 | memcpy(skb_put(skb, size), buf, size); | |
491 | ||
492 | fpga_queue(card, dev, skb, NULL); | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
497 | static ssize_t console_store(struct device *dev, struct device_attribute *attr, | |
498 | const char *buf, size_t count) | |
499 | { | |
500 | struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev); | |
501 | struct solos_card *card = atmdev->dev_data; | |
502 | int err; | |
503 | ||
504 | err = send_command(card, SOLOS_CHAN(atmdev), buf, count); | |
505 | ||
506 | return err?:count; | |
507 | } | |
508 | ||
f9baad02 NW |
509 | struct geos_gpio_attr { |
510 | struct device_attribute attr; | |
511 | int offset; | |
512 | }; | |
513 | ||
514 | #define SOLOS_GPIO_ATTR(_name, _mode, _show, _store, _offset) \ | |
515 | struct geos_gpio_attr gpio_attr_##_name = { \ | |
516 | .attr = __ATTR(_name, _mode, _show, _store), \ | |
517 | .offset = _offset } | |
518 | ||
519 | static ssize_t geos_gpio_store(struct device *dev, struct device_attribute *attr, | |
520 | const char *buf, size_t count) | |
521 | { | |
522 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
523 | struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); | |
524 | struct solos_card *card = pci_get_drvdata(pdev); | |
525 | uint32_t data32; | |
526 | ||
527 | if (count != 1 && (count != 2 || buf[1] != '\n')) | |
528 | return -EINVAL; | |
529 | ||
530 | spin_lock_irq(&card->param_queue_lock); | |
531 | data32 = ioread32(card->config_regs + GPIO_STATUS); | |
532 | if (buf[0] == '1') { | |
533 | data32 |= 1 << gattr->offset; | |
534 | iowrite32(data32, card->config_regs + GPIO_STATUS); | |
535 | } else if (buf[0] == '0') { | |
536 | data32 &= ~(1 << gattr->offset); | |
537 | iowrite32(data32, card->config_regs + GPIO_STATUS); | |
538 | } else { | |
539 | count = -EINVAL; | |
540 | } | |
29042073 | 541 | spin_unlock_irq(&card->param_queue_lock); |
f9baad02 NW |
542 | return count; |
543 | } | |
544 | ||
545 | static ssize_t geos_gpio_show(struct device *dev, struct device_attribute *attr, | |
546 | char *buf) | |
547 | { | |
548 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
549 | struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); | |
550 | struct solos_card *card = pci_get_drvdata(pdev); | |
551 | uint32_t data32; | |
552 | ||
553 | data32 = ioread32(card->config_regs + GPIO_STATUS); | |
554 | data32 = (data32 >> gattr->offset) & 1; | |
555 | ||
556 | return sprintf(buf, "%d\n", data32); | |
557 | } | |
558 | ||
559 | static ssize_t hardware_show(struct device *dev, struct device_attribute *attr, | |
560 | char *buf) | |
561 | { | |
562 | struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); | |
563 | struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); | |
564 | struct solos_card *card = pci_get_drvdata(pdev); | |
565 | uint32_t data32; | |
566 | ||
567 | data32 = ioread32(card->config_regs + GPIO_STATUS); | |
568 | switch (gattr->offset) { | |
569 | case 0: | |
570 | /* HardwareVersion */ | |
571 | data32 = data32 & 0x1F; | |
572 | break; | |
573 | case 1: | |
574 | /* HardwareVariant */ | |
575 | data32 = (data32 >> 5) & 0x0F; | |
576 | break; | |
577 | } | |
578 | return sprintf(buf, "%d\n", data32); | |
579 | } | |
580 | ||
9c54004e DW |
581 | static DEVICE_ATTR(console, 0644, console_show, console_store); |
582 | ||
d057f0a4 DW |
583 | |
584 | #define SOLOS_ATTR_RO(x) static DEVICE_ATTR(x, 0444, solos_param_show, NULL); | |
585 | #define SOLOS_ATTR_RW(x) static DEVICE_ATTR(x, 0644, solos_param_show, solos_param_store); | |
586 | ||
587 | #include "solos-attrlist.c" | |
588 | ||
f9baad02 NW |
589 | static SOLOS_GPIO_ATTR(GPIO1, 0644, geos_gpio_show, geos_gpio_store, 9); |
590 | static SOLOS_GPIO_ATTR(GPIO2, 0644, geos_gpio_show, geos_gpio_store, 10); | |
591 | static SOLOS_GPIO_ATTR(GPIO3, 0644, geos_gpio_show, geos_gpio_store, 11); | |
592 | static SOLOS_GPIO_ATTR(GPIO4, 0644, geos_gpio_show, geos_gpio_store, 12); | |
593 | static SOLOS_GPIO_ATTR(GPIO5, 0644, geos_gpio_show, geos_gpio_store, 13); | |
594 | static SOLOS_GPIO_ATTR(PushButton, 0444, geos_gpio_show, NULL, 14); | |
595 | static SOLOS_GPIO_ATTR(HardwareVersion, 0444, hardware_show, NULL, 0); | |
596 | static SOLOS_GPIO_ATTR(HardwareVariant, 0444, hardware_show, NULL, 1); | |
d057f0a4 DW |
597 | #undef SOLOS_ATTR_RO |
598 | #undef SOLOS_ATTR_RW | |
599 | ||
600 | #define SOLOS_ATTR_RO(x) &dev_attr_##x.attr, | |
601 | #define SOLOS_ATTR_RW(x) &dev_attr_##x.attr, | |
602 | ||
603 | static struct attribute *solos_attrs[] = { | |
604 | #include "solos-attrlist.c" | |
605 | NULL | |
606 | }; | |
607 | ||
608 | static struct attribute_group solos_attr_group = { | |
609 | .attrs = solos_attrs, | |
610 | .name = "parameters", | |
611 | }; | |
9c54004e | 612 | |
f9baad02 NW |
613 | static struct attribute *gpio_attrs[] = { |
614 | &gpio_attr_GPIO1.attr.attr, | |
615 | &gpio_attr_GPIO2.attr.attr, | |
616 | &gpio_attr_GPIO3.attr.attr, | |
617 | &gpio_attr_GPIO4.attr.attr, | |
618 | &gpio_attr_GPIO5.attr.attr, | |
619 | &gpio_attr_PushButton.attr.attr, | |
620 | &gpio_attr_HardwareVersion.attr.attr, | |
621 | &gpio_attr_HardwareVariant.attr.attr, | |
622 | NULL | |
623 | }; | |
624 | ||
625 | static struct attribute_group gpio_attr_group = { | |
626 | .attrs = gpio_attrs, | |
627 | .name = "gpio", | |
628 | }; | |
629 | ||
fa755b9f DW |
630 | static int flash_upgrade(struct solos_card *card, int chip) |
631 | { | |
632 | const struct firmware *fw; | |
633 | const char *fw_name; | |
7c4015bd SF |
634 | int blocksize = 0; |
635 | int numblocks = 0; | |
fa755b9f DW |
636 | int offset; |
637 | ||
7adcdb4c AM |
638 | switch (chip) { |
639 | case 0: | |
fa755b9f | 640 | fw_name = "solos-FPGA.bin"; |
13af8164 NW |
641 | if (card->atmel_flash) |
642 | blocksize = ATMEL_FPGA_BLOCK; | |
643 | else | |
644 | blocksize = SPI_FLASH_BLOCK; | |
7adcdb4c AM |
645 | break; |
646 | case 1: | |
fa755b9f | 647 | fw_name = "solos-Firmware.bin"; |
13af8164 NW |
648 | if (card->atmel_flash) |
649 | blocksize = ATMEL_SOLOS_BLOCK; | |
650 | else | |
651 | blocksize = SPI_FLASH_BLOCK; | |
7adcdb4c AM |
652 | break; |
653 | case 2: | |
4dbedf43 NW |
654 | if (card->fpga_version > LEGACY_BUFFERS){ |
655 | fw_name = "solos-db-FPGA.bin"; | |
13af8164 NW |
656 | if (card->atmel_flash) |
657 | blocksize = ATMEL_FPGA_BLOCK; | |
658 | else | |
659 | blocksize = SPI_FLASH_BLOCK; | |
4dbedf43 | 660 | } else { |
7adcdb4c AM |
661 | dev_info(&card->dev->dev, "FPGA version doesn't support" |
662 | " daughter board upgrades\n"); | |
4dbedf43 NW |
663 | return -EPERM; |
664 | } | |
7adcdb4c AM |
665 | break; |
666 | case 3: | |
4dbedf43 NW |
667 | if (card->fpga_version > LEGACY_BUFFERS){ |
668 | fw_name = "solos-Firmware.bin"; | |
13af8164 NW |
669 | if (card->atmel_flash) |
670 | blocksize = ATMEL_SOLOS_BLOCK; | |
671 | else | |
672 | blocksize = SPI_FLASH_BLOCK; | |
4dbedf43 | 673 | } else { |
7adcdb4c AM |
674 | dev_info(&card->dev->dev, "FPGA version doesn't support" |
675 | " daughter board upgrades\n"); | |
676 | return -EPERM; | |
4dbedf43 | 677 | } |
7adcdb4c AM |
678 | break; |
679 | default: | |
680 | return -ENODEV; | |
4dbedf43 | 681 | } |
fa755b9f DW |
682 | |
683 | if (request_firmware(&fw, fw_name, &card->dev->dev)) | |
684 | return -ENOENT; | |
685 | ||
686 | dev_info(&card->dev->dev, "Flash upgrade starting\n"); | |
687 | ||
13af8164 NW |
688 | /* New FPGAs require driver version before permitting flash upgrades */ |
689 | iowrite32(DRIVER_VERSION, card->config_regs + DRIVER_VER); | |
690 | ||
fa755b9f DW |
691 | numblocks = fw->size / blocksize; |
692 | dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size); | |
7c4015bd SF |
693 | dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks); |
694 | ||
7c4015bd SF |
695 | dev_info(&card->dev->dev, "Changing FPGA to Update mode\n"); |
696 | iowrite32(1, card->config_regs + FPGA_MODE); | |
06091ed6 | 697 | (void) ioread32(card->config_regs + FPGA_MODE); |
7c4015bd | 698 | |
fa755b9f | 699 | /* Set mode to Chip Erase */ |
4dbedf43 NW |
700 | if(chip == 0 || chip == 2) |
701 | dev_info(&card->dev->dev, "Set FPGA Flash mode to FPGA Chip Erase\n"); | |
702 | if(chip == 1 || chip == 3) | |
703 | dev_info(&card->dev->dev, "Set FPGA Flash mode to Solos Chip Erase\n"); | |
fa755b9f | 704 | iowrite32((chip * 2), card->config_regs + FLASH_MODE); |
7c4015bd | 705 | |
7c4015bd | 706 | |
fa755b9f DW |
707 | iowrite32(1, card->config_regs + WRITE_FLASH); |
708 | wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY)); | |
709 | ||
710 | for (offset = 0; offset < fw->size; offset += blocksize) { | |
711 | int i; | |
712 | ||
713 | /* Clear write flag */ | |
7c4015bd | 714 | iowrite32(0, card->config_regs + WRITE_FLASH); |
7c4015bd | 715 | |
fa755b9f DW |
716 | /* Set mode to Block Write */ |
717 | /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */ | |
718 | iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE); | |
719 | ||
13af8164 | 720 | /* Copy block to buffer, swapping each 16 bits for Atmel flash */ |
fa755b9f | 721 | for(i = 0; i < blocksize; i += 4) { |
13af8164 NW |
722 | uint32_t word; |
723 | if (card->atmel_flash) | |
724 | word = swahb32p((uint32_t *)(fw->data + offset + i)); | |
725 | else | |
726 | word = *(uint32_t *)(fw->data + offset + i); | |
4dbedf43 NW |
727 | if(card->fpga_version > LEGACY_BUFFERS) |
728 | iowrite32(word, FLASH_BUF + i); | |
729 | else | |
730 | iowrite32(word, RX_BUF(card, 3) + i); | |
7c4015bd | 731 | } |
fa755b9f DW |
732 | |
733 | /* Specify block number and then trigger flash write */ | |
734 | iowrite32(offset / blocksize, card->config_regs + FLASH_BLOCK); | |
735 | iowrite32(1, card->config_regs + WRITE_FLASH); | |
736 | wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY)); | |
7c4015bd SF |
737 | } |
738 | ||
fa755b9f DW |
739 | release_firmware(fw); |
740 | iowrite32(0, card->config_regs + WRITE_FLASH); | |
741 | iowrite32(0, card->config_regs + FPGA_MODE); | |
742 | iowrite32(0, card->config_regs + FLASH_MODE); | |
743 | dev_info(&card->dev->dev, "Returning FPGA to Data mode\n"); | |
744 | return 0; | |
7c4015bd SF |
745 | } |
746 | ||
9c54004e DW |
747 | static irqreturn_t solos_irq(int irq, void *dev_id) |
748 | { | |
749 | struct solos_card *card = dev_id; | |
750 | int handled = 1; | |
751 | ||
9c54004e | 752 | iowrite32(0, card->config_regs + IRQ_CLEAR); |
9c54004e | 753 | |
35c2221b | 754 | /* If we're up and running, just kick the tasklet to process TX/RX */ |
fa755b9f | 755 | if (card->atmdev[0]) |
9c54004e | 756 | tasklet_schedule(&card->tlet); |
fa755b9f DW |
757 | else |
758 | wake_up(&card->fw_wq); | |
9c54004e | 759 | |
9c54004e DW |
760 | return IRQ_RETVAL(handled); |
761 | } | |
762 | ||
5f4d4e3f | 763 | static void solos_bh(unsigned long card_arg) |
9c54004e DW |
764 | { |
765 | struct solos_card *card = (void *)card_arg; | |
9c54004e | 766 | uint32_t card_flags; |
9c54004e | 767 | uint32_t rx_done = 0; |
35c2221b | 768 | int port; |
9c54004e | 769 | |
35c2221b DW |
770 | /* |
771 | * Since fpga_tx() is going to need to read the flags under its lock, | |
772 | * it can return them to us so that we don't have to hit PCI MMIO | |
773 | * again for the same information | |
774 | */ | |
775 | card_flags = fpga_tx(card); | |
9c54004e DW |
776 | |
777 | for (port = 0; port < card->nr_ports; port++) { | |
778 | if (card_flags & (0x10 << port)) { | |
90937231 | 779 | struct pkt_hdr _hdr, *header; |
9c54004e DW |
780 | struct sk_buff *skb; |
781 | struct atm_vcc *vcc; | |
782 | int size; | |
783 | ||
90937231 DW |
784 | if (card->using_dma) { |
785 | skb = card->rx_skb[port]; | |
eaf83e39 | 786 | card->rx_skb[port] = NULL; |
9c54004e | 787 | |
eaf83e39 DW |
788 | pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr, |
789 | RX_DMA_SIZE, PCI_DMA_FROMDEVICE); | |
9c54004e | 790 | |
90937231 DW |
791 | header = (void *)skb->data; |
792 | size = le16_to_cpu(header->size); | |
793 | skb_put(skb, size + sizeof(*header)); | |
794 | skb_pull(skb, sizeof(*header)); | |
795 | } else { | |
796 | header = &_hdr; | |
9c54004e | 797 | |
90937231 | 798 | rx_done |= 0x10 << port; |
9c54004e | 799 | |
90937231 | 800 | memcpy_fromio(header, RX_BUF(card, port), sizeof(*header)); |
9c54004e | 801 | |
90937231 | 802 | size = le16_to_cpu(header->size); |
78f857f2 NW |
803 | if (size > (card->buffer_size - sizeof(*header))){ |
804 | dev_warn(&card->dev->dev, "Invalid buffer size\n"); | |
805 | continue; | |
806 | } | |
9c54004e | 807 | |
90937231 DW |
808 | skb = alloc_skb(size + 1, GFP_ATOMIC); |
809 | if (!skb) { | |
810 | if (net_ratelimit()) | |
811 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n"); | |
812 | continue; | |
813 | } | |
9c54004e | 814 | |
90937231 DW |
815 | memcpy_fromio(skb_put(skb, size), |
816 | RX_BUF(card, port) + sizeof(*header), | |
817 | size); | |
818 | } | |
9c54004e | 819 | if (atmdebug) { |
18b429e7 | 820 | dev_info(&card->dev->dev, "Received: port %d\n", port); |
9c54004e | 821 | dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n", |
90937231 DW |
822 | size, le16_to_cpu(header->vpi), |
823 | le16_to_cpu(header->vci)); | |
9c54004e DW |
824 | print_buffer(skb); |
825 | } | |
826 | ||
90937231 | 827 | switch (le16_to_cpu(header->type)) { |
9c54004e | 828 | case PKT_DATA: |
90937231 DW |
829 | vcc = find_vcc(card->atmdev[port], le16_to_cpu(header->vpi), |
830 | le16_to_cpu(header->vci)); | |
9c54004e DW |
831 | if (!vcc) { |
832 | if (net_ratelimit()) | |
1e19e658 PP |
833 | dev_warn(&card->dev->dev, "Received packet for unknown VPI.VCI %d.%d on port %d\n", |
834 | le16_to_cpu(header->vpi), le16_to_cpu(header->vci), | |
9c54004e | 835 | port); |
007ef52b NW |
836 | dev_kfree_skb_any(skb); |
837 | break; | |
9c54004e DW |
838 | } |
839 | atm_charge(vcc, skb->truesize); | |
840 | vcc->push(vcc, skb); | |
841 | atomic_inc(&vcc->stats->rx); | |
842 | break; | |
843 | ||
87ebb186 | 844 | case PKT_STATUS: |
95852f48 DW |
845 | if (process_status(card, port, skb) && |
846 | net_ratelimit()) { | |
847 | dev_warn(&card->dev->dev, "Bad status packet of %d bytes on port %d:\n", skb->len, port); | |
848 | print_buffer(skb); | |
849 | } | |
eaf83e39 | 850 | dev_kfree_skb_any(skb); |
87ebb186 DW |
851 | break; |
852 | ||
9c54004e DW |
853 | case PKT_COMMAND: |
854 | default: /* FIXME: Not really, surely? */ | |
01e2ffac DW |
855 | if (process_command(card, port, skb)) |
856 | break; | |
9c54004e DW |
857 | spin_lock(&card->cli_queue_lock); |
858 | if (skb_queue_len(&card->cli_queue[port]) > 10) { | |
859 | if (net_ratelimit()) | |
860 | dev_warn(&card->dev->dev, "Dropping console response on port %d\n", | |
861 | port); | |
eaf83e39 | 862 | dev_kfree_skb_any(skb); |
9c54004e DW |
863 | } else |
864 | skb_queue_tail(&card->cli_queue[port], skb); | |
865 | spin_unlock(&card->cli_queue_lock); | |
866 | break; | |
867 | } | |
868 | } | |
eaf83e39 DW |
869 | /* Allocate RX skbs for any ports which need them */ |
870 | if (card->using_dma && card->atmdev[port] && | |
871 | !card->rx_skb[port]) { | |
872 | struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC); | |
873 | if (skb) { | |
874 | SKB_CB(skb)->dma_addr = | |
875 | pci_map_single(card->dev, skb->data, | |
876 | RX_DMA_SIZE, PCI_DMA_FROMDEVICE); | |
877 | iowrite32(SKB_CB(skb)->dma_addr, | |
878 | card->config_regs + RX_DMA_ADDR(port)); | |
879 | card->rx_skb[port] = skb; | |
880 | } else { | |
881 | if (net_ratelimit()) | |
882 | dev_warn(&card->dev->dev, "Failed to allocate RX skb"); | |
883 | ||
884 | /* We'll have to try again later */ | |
885 | tasklet_schedule(&card->tlet); | |
886 | } | |
887 | } | |
9c54004e DW |
888 | } |
889 | if (rx_done) | |
890 | iowrite32(rx_done, card->config_regs + FLAGS_ADDR); | |
891 | ||
892 | return; | |
893 | } | |
894 | ||
895 | static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci) | |
896 | { | |
897 | struct hlist_head *head; | |
898 | struct atm_vcc *vcc = NULL; | |
9c54004e DW |
899 | struct sock *s; |
900 | ||
901 | read_lock(&vcc_sklist_lock); | |
902 | head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)]; | |
b67bfe0d | 903 | sk_for_each(s, head) { |
9c54004e DW |
904 | vcc = atm_sk(s); |
905 | if (vcc->dev == dev && vcc->vci == vci && | |
1f6ea6e5 DW |
906 | vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE && |
907 | test_bit(ATM_VF_READY, &vcc->flags)) | |
9c54004e DW |
908 | goto out; |
909 | } | |
910 | vcc = NULL; | |
911 | out: | |
912 | read_unlock(&vcc_sklist_lock); | |
913 | return vcc; | |
914 | } | |
915 | ||
9c54004e DW |
916 | static int popen(struct atm_vcc *vcc) |
917 | { | |
918 | struct solos_card *card = vcc->dev->dev_data; | |
919 | struct sk_buff *skb; | |
920 | struct pkt_hdr *header; | |
921 | ||
b28a4b9a DW |
922 | if (vcc->qos.aal != ATM_AAL5) { |
923 | dev_warn(&card->dev->dev, "Unsupported ATM type %d\n", | |
924 | vcc->qos.aal); | |
925 | return -EINVAL; | |
926 | } | |
927 | ||
a1db5c5b | 928 | skb = alloc_skb(sizeof(*header), GFP_KERNEL); |
da1ab3e2 JJ |
929 | if (!skb) { |
930 | if (net_ratelimit()) | |
931 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n"); | |
9c54004e DW |
932 | return -ENOMEM; |
933 | } | |
934 | header = (void *)skb_put(skb, sizeof(*header)); | |
935 | ||
b76811af | 936 | header->size = cpu_to_le16(0); |
9c54004e DW |
937 | header->vpi = cpu_to_le16(vcc->vpi); |
938 | header->vci = cpu_to_le16(vcc->vci); | |
939 | header->type = cpu_to_le16(PKT_POPEN); | |
940 | ||
941 | fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL); | |
942 | ||
bdc54625 | 943 | set_bit(ATM_VF_ADDR, &vcc->flags); |
9c54004e | 944 | set_bit(ATM_VF_READY, &vcc->flags); |
9c54004e DW |
945 | |
946 | return 0; | |
947 | } | |
948 | ||
949 | static void pclose(struct atm_vcc *vcc) | |
950 | { | |
951 | struct solos_card *card = vcc->dev->dev_data; | |
7ad3eade | 952 | unsigned char port = SOLOS_CHAN(vcc->dev); |
213e85d3 | 953 | struct sk_buff *skb, *tmpskb; |
9c54004e DW |
954 | struct pkt_hdr *header; |
955 | ||
213e85d3 DW |
956 | /* Remove any yet-to-be-transmitted packets from the pending queue */ |
957 | spin_lock(&card->tx_queue_lock); | |
958 | skb_queue_walk_safe(&card->tx_queue[port], skb, tmpskb) { | |
959 | if (SKB_CB(skb)->vcc == vcc) { | |
960 | skb_unlink(skb, &card->tx_queue[port]); | |
961 | solos_pop(vcc, skb); | |
962 | } | |
963 | } | |
964 | spin_unlock(&card->tx_queue_lock); | |
965 | ||
a1db5c5b | 966 | skb = alloc_skb(sizeof(*header), GFP_KERNEL); |
9c54004e DW |
967 | if (!skb) { |
968 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n"); | |
969 | return; | |
970 | } | |
971 | header = (void *)skb_put(skb, sizeof(*header)); | |
972 | ||
b76811af | 973 | header->size = cpu_to_le16(0); |
9c54004e DW |
974 | header->vpi = cpu_to_le16(vcc->vpi); |
975 | header->vci = cpu_to_le16(vcc->vci); | |
976 | header->type = cpu_to_le16(PKT_PCLOSE); | |
977 | ||
7ad3eade DW |
978 | skb_get(skb); |
979 | fpga_queue(card, port, skb, NULL); | |
9c54004e | 980 | |
7ad3eade DW |
981 | if (!wait_event_timeout(card->param_wq, !skb_shared(skb), 5 * HZ)) |
982 | dev_warn(&card->dev->dev, | |
983 | "Timeout waiting for VCC close on port %d\n", port); | |
984 | ||
985 | dev_kfree_skb(skb); | |
986 | ||
1f6ea6e5 DW |
987 | /* Hold up vcc_destroy_socket() (our caller) until solos_bh() in the |
988 | tasklet has finished processing any incoming packets (and, more to | |
989 | the point, using the vcc pointer). */ | |
990 | tasklet_unlock_wait(&card->tlet); | |
213e85d3 DW |
991 | |
992 | clear_bit(ATM_VF_ADDR, &vcc->flags); | |
993 | ||
9c54004e DW |
994 | return; |
995 | } | |
996 | ||
997 | static int print_buffer(struct sk_buff *buf) | |
998 | { | |
999 | int len,i; | |
1000 | char msg[500]; | |
1001 | char item[10]; | |
1002 | ||
1003 | len = buf->len; | |
1004 | for (i = 0; i < len; i++){ | |
1005 | if(i % 8 == 0) | |
1006 | sprintf(msg, "%02X: ", i); | |
1007 | ||
1008 | sprintf(item,"%02X ",*(buf->data + i)); | |
1009 | strcat(msg, item); | |
1010 | if(i % 8 == 7) { | |
1011 | sprintf(item, "\n"); | |
1012 | strcat(msg, item); | |
1013 | printk(KERN_DEBUG "%s", msg); | |
1014 | } | |
1015 | } | |
1016 | if (i % 8 != 0) { | |
1017 | sprintf(item, "\n"); | |
1018 | strcat(msg, item); | |
1019 | printk(KERN_DEBUG "%s", msg); | |
1020 | } | |
1021 | printk(KERN_DEBUG "\n"); | |
1022 | ||
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb, | |
1027 | struct atm_vcc *vcc) | |
1028 | { | |
1029 | int old_len; | |
f69e4170 | 1030 | unsigned long flags; |
9c54004e | 1031 | |
90937231 | 1032 | SKB_CB(skb)->vcc = vcc; |
9c54004e | 1033 | |
f69e4170 | 1034 | spin_lock_irqsave(&card->tx_queue_lock, flags); |
9c54004e DW |
1035 | old_len = skb_queue_len(&card->tx_queue[port]); |
1036 | skb_queue_tail(&card->tx_queue[port], skb); | |
35c2221b | 1037 | if (!old_len) |
f69e4170 | 1038 | card->tx_mask |= (1 << port); |
f69e4170 | 1039 | spin_unlock_irqrestore(&card->tx_queue_lock, flags); |
9c54004e | 1040 | |
f69e4170 DW |
1041 | /* Theoretically we could just schedule the tasklet here, but |
1042 | that introduces latency we don't want -- it's noticeable */ | |
9c54004e DW |
1043 | if (!old_len) |
1044 | fpga_tx(card); | |
1045 | } | |
1046 | ||
35c2221b | 1047 | static uint32_t fpga_tx(struct solos_card *card) |
9c54004e | 1048 | { |
35c2221b | 1049 | uint32_t tx_pending, card_flags; |
9c54004e DW |
1050 | uint32_t tx_started = 0; |
1051 | struct sk_buff *skb; | |
1052 | struct atm_vcc *vcc; | |
1053 | unsigned char port; | |
1054 | unsigned long flags; | |
1055 | ||
1056 | spin_lock_irqsave(&card->tx_lock, flags); | |
35c2221b DW |
1057 | |
1058 | card_flags = ioread32(card->config_regs + FLAGS_ADDR); | |
1059 | /* | |
1060 | * The queue lock is required for _writing_ to tx_mask, but we're | |
1061 | * OK to read it here without locking. The only potential update | |
1062 | * that we could race with is in fpga_queue() where it sets a bit | |
1063 | * for a new port... but it's going to call this function again if | |
1064 | * it's doing that, anyway. | |
1065 | */ | |
1066 | tx_pending = card->tx_mask & ~card_flags; | |
1067 | ||
1068 | for (port = 0; tx_pending; tx_pending >>= 1, port++) { | |
1069 | if (tx_pending & 1) { | |
eaf83e39 | 1070 | struct sk_buff *oldskb = card->tx_skb[port]; |
cae49ede | 1071 | if (oldskb) { |
eaf83e39 DW |
1072 | pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr, |
1073 | oldskb->len, PCI_DMA_TODEVICE); | |
cae49ede DW |
1074 | card->tx_skb[port] = NULL; |
1075 | } | |
9c54004e DW |
1076 | spin_lock(&card->tx_queue_lock); |
1077 | skb = skb_dequeue(&card->tx_queue[port]); | |
f69e4170 DW |
1078 | if (!skb) |
1079 | card->tx_mask &= ~(1 << port); | |
9c54004e DW |
1080 | spin_unlock(&card->tx_queue_lock); |
1081 | ||
eaf83e39 DW |
1082 | if (skb && !card->using_dma) { |
1083 | memcpy_toio(TX_BUF(card, port), skb->data, skb->len); | |
bdc54625 | 1084 | tx_started |= 1 << port; |
eaf83e39 DW |
1085 | oldskb = skb; /* We're done with this skb already */ |
1086 | } else if (skb && card->using_dma) { | |
152a2a8b DW |
1087 | unsigned char *data = skb->data; |
1088 | if ((unsigned long)data & card->dma_alignment) { | |
1089 | data = card->dma_bounce + (BUF_SIZE * port); | |
1090 | memcpy(data, skb->data, skb->len); | |
1091 | } | |
1092 | SKB_CB(skb)->dma_addr = pci_map_single(card->dev, data, | |
eaf83e39 | 1093 | skb->len, PCI_DMA_TODEVICE); |
b4bd8ad9 | 1094 | card->tx_skb[port] = skb; |
eaf83e39 DW |
1095 | iowrite32(SKB_CB(skb)->dma_addr, |
1096 | card->config_regs + TX_DMA_ADDR(port)); | |
1097 | } | |
1098 | ||
1099 | if (!oldskb) | |
9c54004e DW |
1100 | continue; |
1101 | ||
eaf83e39 | 1102 | /* Clean up and free oldskb now it's gone */ |
9c54004e | 1103 | if (atmdebug) { |
18b429e7 PP |
1104 | struct pkt_hdr *header = (void *)oldskb->data; |
1105 | int size = le16_to_cpu(header->size); | |
1106 | ||
1107 | skb_pull(oldskb, sizeof(*header)); | |
9c54004e DW |
1108 | dev_info(&card->dev->dev, "Transmitted: port %d\n", |
1109 | port); | |
18b429e7 PP |
1110 | dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n", |
1111 | size, le16_to_cpu(header->vpi), | |
1112 | le16_to_cpu(header->vci)); | |
eaf83e39 | 1113 | print_buffer(oldskb); |
9c54004e | 1114 | } |
9c54004e | 1115 | |
eaf83e39 | 1116 | vcc = SKB_CB(oldskb)->vcc; |
9c54004e DW |
1117 | |
1118 | if (vcc) { | |
1119 | atomic_inc(&vcc->stats->tx); | |
eaf83e39 | 1120 | solos_pop(vcc, oldskb); |
7ad3eade | 1121 | } else { |
eaf83e39 | 1122 | dev_kfree_skb_irq(oldskb); |
7ad3eade DW |
1123 | wake_up(&card->param_wq); |
1124 | } | |
9c54004e DW |
1125 | } |
1126 | } | |
bdc54625 | 1127 | /* For non-DMA TX, write the 'TX start' bit for all four ports simultaneously */ |
9c54004e DW |
1128 | if (tx_started) |
1129 | iowrite32(tx_started, card->config_regs + FLAGS_ADDR); | |
1130 | ||
1131 | spin_unlock_irqrestore(&card->tx_lock, flags); | |
35c2221b | 1132 | return card_flags; |
9c54004e DW |
1133 | } |
1134 | ||
1135 | static int psend(struct atm_vcc *vcc, struct sk_buff *skb) | |
1136 | { | |
1137 | struct solos_card *card = vcc->dev->dev_data; | |
9c54004e | 1138 | struct pkt_hdr *header; |
b76811af | 1139 | int pktlen; |
9c54004e | 1140 | |
b76811af DW |
1141 | pktlen = skb->len; |
1142 | if (pktlen > (BUF_SIZE - sizeof(*header))) { | |
9c54004e DW |
1143 | dev_warn(&card->dev->dev, "Length of PDU is too large. Dropping PDU.\n"); |
1144 | solos_pop(vcc, skb); | |
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | if (!skb_clone_writable(skb, sizeof(*header))) { | |
1149 | int expand_by = 0; | |
1150 | int ret; | |
1151 | ||
1152 | if (skb_headroom(skb) < sizeof(*header)) | |
1153 | expand_by = sizeof(*header) - skb_headroom(skb); | |
1154 | ||
1155 | ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC); | |
1156 | if (ret) { | |
4306cad6 | 1157 | dev_warn(&card->dev->dev, "pskb_expand_head failed.\n"); |
9c54004e DW |
1158 | solos_pop(vcc, skb); |
1159 | return ret; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | header = (void *)skb_push(skb, sizeof(*header)); | |
1164 | ||
b76811af DW |
1165 | /* This does _not_ include the size of the header */ |
1166 | header->size = cpu_to_le16(pktlen); | |
9c54004e DW |
1167 | header->vpi = cpu_to_le16(vcc->vpi); |
1168 | header->vci = cpu_to_le16(vcc->vci); | |
1169 | header->type = cpu_to_le16(PKT_DATA); | |
1170 | ||
1171 | fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, vcc); | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static struct atmdev_ops fpga_ops = { | |
1177 | .open = popen, | |
1178 | .close = pclose, | |
1179 | .ioctl = NULL, | |
1180 | .getsockopt = NULL, | |
1181 | .setsockopt = NULL, | |
1182 | .send = psend, | |
1183 | .send_oam = NULL, | |
1184 | .phy_put = NULL, | |
1185 | .phy_get = NULL, | |
1186 | .change_qos = NULL, | |
1187 | .proc_read = NULL, | |
1188 | .owner = THIS_MODULE | |
1189 | }; | |
1190 | ||
1191 | static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) | |
1192 | { | |
cd5549e0 | 1193 | int err; |
9c54004e DW |
1194 | uint16_t fpga_ver; |
1195 | uint8_t major_ver, minor_ver; | |
1196 | uint32_t data32; | |
1197 | struct solos_card *card; | |
1198 | ||
9c54004e DW |
1199 | card = kzalloc(sizeof(*card), GFP_KERNEL); |
1200 | if (!card) | |
1201 | return -ENOMEM; | |
1202 | ||
1203 | card->dev = dev; | |
fa755b9f | 1204 | init_waitqueue_head(&card->fw_wq); |
01e2ffac | 1205 | init_waitqueue_head(&card->param_wq); |
9c54004e DW |
1206 | |
1207 | err = pci_enable_device(dev); | |
1208 | if (err) { | |
1209 | dev_warn(&dev->dev, "Failed to enable PCI device\n"); | |
1210 | goto out; | |
1211 | } | |
1212 | ||
e930438c | 1213 | err = pci_set_dma_mask(dev, DMA_BIT_MASK(32)); |
90937231 DW |
1214 | if (err) { |
1215 | dev_warn(&dev->dev, "Failed to set 32-bit DMA mask\n"); | |
1216 | goto out; | |
1217 | } | |
1218 | ||
9c54004e DW |
1219 | err = pci_request_regions(dev, "solos"); |
1220 | if (err) { | |
1221 | dev_warn(&dev->dev, "Failed to request regions\n"); | |
1222 | goto out; | |
1223 | } | |
1224 | ||
1225 | card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE); | |
1226 | if (!card->config_regs) { | |
1227 | dev_warn(&dev->dev, "Failed to ioremap config registers\n"); | |
73112f9b | 1228 | err = -ENOMEM; |
9c54004e DW |
1229 | goto out_release_regions; |
1230 | } | |
1231 | card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE); | |
1232 | if (!card->buffers) { | |
1233 | dev_warn(&dev->dev, "Failed to ioremap data buffers\n"); | |
73112f9b | 1234 | err = -ENOMEM; |
9c54004e DW |
1235 | goto out_unmap_config; |
1236 | } | |
1237 | ||
cc3657e1 DW |
1238 | if (reset) { |
1239 | iowrite32(1, card->config_regs + FPGA_MODE); | |
1240 | data32 = ioread32(card->config_regs + FPGA_MODE); | |
9c54004e | 1241 | |
cc3657e1 DW |
1242 | iowrite32(0, card->config_regs + FPGA_MODE); |
1243 | data32 = ioread32(card->config_regs + FPGA_MODE); | |
1244 | } | |
9c54004e DW |
1245 | |
1246 | data32 = ioread32(card->config_regs + FPGA_VER); | |
1247 | fpga_ver = (data32 & 0x0000FFFF); | |
1248 | major_ver = ((data32 & 0xFF000000) >> 24); | |
1249 | minor_ver = ((data32 & 0x00FF0000) >> 16); | |
4dbedf43 NW |
1250 | card->fpga_version = FPGA_VERSION(major_ver,minor_ver); |
1251 | if (card->fpga_version > LEGACY_BUFFERS) | |
1252 | card->buffer_size = BUF_SIZE; | |
1253 | else | |
1254 | card->buffer_size = OLD_BUF_SIZE; | |
9c54004e DW |
1255 | dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n", |
1256 | major_ver, minor_ver, fpga_ver); | |
1257 | ||
3ce1227c DW |
1258 | if (fpga_ver < 37 && (fpga_upgrade || firmware_upgrade || |
1259 | db_fpga_upgrade || db_firmware_upgrade)) { | |
1260 | dev_warn(&dev->dev, | |
1261 | "FPGA too old; cannot upgrade flash. Use JTAG.\n"); | |
1262 | fpga_upgrade = firmware_upgrade = 0; | |
1263 | db_fpga_upgrade = db_firmware_upgrade = 0; | |
1264 | } | |
1265 | ||
13af8164 NW |
1266 | /* Stopped using Atmel flash after 0.03-38 */ |
1267 | if (fpga_ver < 39) | |
1268 | card->atmel_flash = 1; | |
1269 | else | |
1270 | card->atmel_flash = 0; | |
1271 | ||
152a2a8b DW |
1272 | data32 = ioread32(card->config_regs + PORTS); |
1273 | card->nr_ports = (data32 & 0x000000FF); | |
1274 | ||
b4bd8ad9 DW |
1275 | if (card->fpga_version >= DMA_SUPPORTED) { |
1276 | pci_set_master(dev); | |
90937231 | 1277 | card->using_dma = 1; |
152a2a8b DW |
1278 | if (1) { /* All known FPGA versions so far */ |
1279 | card->dma_alignment = 3; | |
1280 | card->dma_bounce = kmalloc(card->nr_ports * BUF_SIZE, GFP_KERNEL); | |
1281 | if (!card->dma_bounce) { | |
1282 | dev_warn(&card->dev->dev, "Failed to allocate DMA bounce buffers\n"); | |
c7bcae46 | 1283 | err = -ENOMEM; |
152a2a8b DW |
1284 | /* Fallback to MMIO doesn't work */ |
1285 | goto out_unmap_both; | |
1286 | } | |
1287 | } | |
4dbedf43 NW |
1288 | } else { |
1289 | card->using_dma = 0; | |
eab50f73 DW |
1290 | /* Set RX empty flag for all ports */ |
1291 | iowrite32(0xF0, card->config_regs + FLAGS_ADDR); | |
1292 | } | |
9c54004e | 1293 | |
9c54004e | 1294 | pci_set_drvdata(dev, card); |
fa755b9f | 1295 | |
9c54004e DW |
1296 | tasklet_init(&card->tlet, solos_bh, (unsigned long)card); |
1297 | spin_lock_init(&card->tx_lock); | |
1298 | spin_lock_init(&card->tx_queue_lock); | |
1299 | spin_lock_init(&card->cli_queue_lock); | |
01e2ffac DW |
1300 | spin_lock_init(&card->param_queue_lock); |
1301 | INIT_LIST_HEAD(&card->param_queue); | |
fa755b9f | 1302 | |
fcd82664 | 1303 | err = request_irq(dev->irq, solos_irq, IRQF_SHARED, |
9c54004e | 1304 | "solos-pci", card); |
fa755b9f | 1305 | if (err) { |
9c54004e | 1306 | dev_dbg(&card->dev->dev, "Failed to request interrupt IRQ: %d\n", dev->irq); |
fa755b9f DW |
1307 | goto out_unmap_both; |
1308 | } | |
9c54004e | 1309 | |
9c54004e DW |
1310 | iowrite32(1, card->config_regs + IRQ_EN_ADDR); |
1311 | ||
fa755b9f DW |
1312 | if (fpga_upgrade) |
1313 | flash_upgrade(card, 0); | |
1314 | ||
1315 | if (firmware_upgrade) | |
1316 | flash_upgrade(card, 1); | |
1317 | ||
4dbedf43 NW |
1318 | if (db_fpga_upgrade) |
1319 | flash_upgrade(card, 2); | |
1320 | ||
1321 | if (db_firmware_upgrade) | |
1322 | flash_upgrade(card, 3); | |
1323 | ||
d9ca676b | 1324 | err = atm_init(card, &dev->dev); |
fa755b9f DW |
1325 | if (err) |
1326 | goto out_free_irq; | |
1327 | ||
f9baad02 NW |
1328 | if (card->fpga_version >= DMA_SUPPORTED && |
1329 | sysfs_create_group(&card->dev->dev.kobj, &gpio_attr_group)) | |
1330 | dev_err(&card->dev->dev, "Could not register parameter group for GPIOs\n"); | |
1331 | ||
9c54004e DW |
1332 | return 0; |
1333 | ||
fa755b9f DW |
1334 | out_free_irq: |
1335 | iowrite32(0, card->config_regs + IRQ_EN_ADDR); | |
1336 | free_irq(dev->irq, card); | |
1337 | tasklet_kill(&card->tlet); | |
1338 | ||
9c54004e | 1339 | out_unmap_both: |
152a2a8b | 1340 | kfree(card->dma_bounce); |
9c54004e | 1341 | pci_iounmap(dev, card->buffers); |
8ae0cfee JL |
1342 | out_unmap_config: |
1343 | pci_iounmap(dev, card->config_regs); | |
9c54004e DW |
1344 | out_release_regions: |
1345 | pci_release_regions(dev); | |
1346 | out: | |
bc111d57 | 1347 | kfree(card); |
9c54004e DW |
1348 | return err; |
1349 | } | |
1350 | ||
d9ca676b | 1351 | static int atm_init(struct solos_card *card, struct device *parent) |
9c54004e DW |
1352 | { |
1353 | int i; | |
1354 | ||
9c54004e | 1355 | for (i = 0; i < card->nr_ports; i++) { |
87ebb186 DW |
1356 | struct sk_buff *skb; |
1357 | struct pkt_hdr *header; | |
1358 | ||
9c54004e DW |
1359 | skb_queue_head_init(&card->tx_queue[i]); |
1360 | skb_queue_head_init(&card->cli_queue[i]); | |
1361 | ||
d9ca676b | 1362 | card->atmdev[i] = atm_dev_register("solos-pci", parent, &fpga_ops, -1, NULL); |
9c54004e DW |
1363 | if (!card->atmdev[i]) { |
1364 | dev_err(&card->dev->dev, "Could not register ATM device %d\n", i); | |
1365 | atm_remove(card); | |
1366 | return -ENODEV; | |
1367 | } | |
1368 | if (device_create_file(&card->atmdev[i]->class_dev, &dev_attr_console)) | |
1369 | dev_err(&card->dev->dev, "Could not register console for ATM device %d\n", i); | |
d057f0a4 DW |
1370 | if (sysfs_create_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group)) |
1371 | dev_err(&card->dev->dev, "Could not register parameter group for ATM device %d\n", i); | |
9c54004e DW |
1372 | |
1373 | dev_info(&card->dev->dev, "Registered ATM device %d\n", card->atmdev[i]->number); | |
1374 | ||
1375 | card->atmdev[i]->ci_range.vpi_bits = 8; | |
1376 | card->atmdev[i]->ci_range.vci_bits = 16; | |
1377 | card->atmdev[i]->dev_data = card; | |
1378 | card->atmdev[i]->phy_data = (void *)(unsigned long)i; | |
c031235b | 1379 | atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_FOUND); |
87ebb186 | 1380 | |
a1db5c5b | 1381 | skb = alloc_skb(sizeof(*header), GFP_KERNEL); |
87ebb186 DW |
1382 | if (!skb) { |
1383 | dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n"); | |
1384 | continue; | |
1385 | } | |
1386 | ||
1387 | header = (void *)skb_put(skb, sizeof(*header)); | |
1388 | ||
1389 | header->size = cpu_to_le16(0); | |
1390 | header->vpi = cpu_to_le16(0); | |
1391 | header->vci = cpu_to_le16(0); | |
1392 | header->type = cpu_to_le16(PKT_STATUS); | |
1393 | ||
1394 | fpga_queue(card, i, skb, NULL); | |
9c54004e DW |
1395 | } |
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | static void atm_remove(struct solos_card *card) | |
1400 | { | |
1401 | int i; | |
1402 | ||
1403 | for (i = 0; i < card->nr_ports; i++) { | |
1404 | if (card->atmdev[i]) { | |
97d759d3 DW |
1405 | struct sk_buff *skb; |
1406 | ||
9c54004e | 1407 | dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number); |
c0fe3026 DW |
1408 | |
1409 | sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group); | |
9c54004e | 1410 | atm_dev_deregister(card->atmdev[i]); |
97d759d3 DW |
1411 | |
1412 | skb = card->rx_skb[i]; | |
1413 | if (skb) { | |
1414 | pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr, | |
1415 | RX_DMA_SIZE, PCI_DMA_FROMDEVICE); | |
1416 | dev_kfree_skb(skb); | |
1417 | } | |
1418 | skb = card->tx_skb[i]; | |
1419 | if (skb) { | |
1420 | pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr, | |
1421 | skb->len, PCI_DMA_TODEVICE); | |
1422 | dev_kfree_skb(skb); | |
1423 | } | |
1424 | while ((skb = skb_dequeue(&card->tx_queue[i]))) | |
1425 | dev_kfree_skb(skb); | |
1426 | ||
9c54004e DW |
1427 | } |
1428 | } | |
1429 | } | |
1430 | ||
1431 | static void fpga_remove(struct pci_dev *dev) | |
1432 | { | |
1433 | struct solos_card *card = pci_get_drvdata(dev); | |
97d759d3 DW |
1434 | |
1435 | /* Disable IRQs */ | |
1436 | iowrite32(0, card->config_regs + IRQ_EN_ADDR); | |
9c54004e | 1437 | |
97d759d3 DW |
1438 | /* Reset FPGA */ |
1439 | iowrite32(1, card->config_regs + FPGA_MODE); | |
1440 | (void)ioread32(card->config_regs + FPGA_MODE); | |
9c54004e | 1441 | |
f9baad02 NW |
1442 | if (card->fpga_version >= DMA_SUPPORTED) |
1443 | sysfs_remove_group(&card->dev->dev.kobj, &gpio_attr_group); | |
1444 | ||
9c54004e DW |
1445 | atm_remove(card); |
1446 | ||
9c54004e DW |
1447 | free_irq(dev->irq, card); |
1448 | tasklet_kill(&card->tlet); | |
1449 | ||
152a2a8b DW |
1450 | kfree(card->dma_bounce); |
1451 | ||
97d759d3 DW |
1452 | /* Release device from reset */ |
1453 | iowrite32(0, card->config_regs + FPGA_MODE); | |
1454 | (void)ioread32(card->config_regs + FPGA_MODE); | |
1455 | ||
9c54004e DW |
1456 | pci_iounmap(dev, card->buffers); |
1457 | pci_iounmap(dev, card->config_regs); | |
1458 | ||
9c54004e DW |
1459 | pci_release_regions(dev); |
1460 | pci_disable_device(dev); | |
1461 | ||
9c54004e | 1462 | kfree(card); |
9c54004e DW |
1463 | } |
1464 | ||
6c44512d | 1465 | static struct pci_device_id fpga_pci_tbl[] = { |
9c54004e DW |
1466 | { 0x10ee, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
1467 | { 0, } | |
1468 | }; | |
1469 | ||
1470 | MODULE_DEVICE_TABLE(pci,fpga_pci_tbl); | |
1471 | ||
1472 | static struct pci_driver fpga_driver = { | |
1473 | .name = "solos", | |
1474 | .id_table = fpga_pci_tbl, | |
1475 | .probe = fpga_probe, | |
1476 | .remove = fpga_remove, | |
1477 | }; | |
1478 | ||
1479 | ||
1480 | static int __init solos_pci_init(void) | |
1481 | { | |
7ad3eade DW |
1482 | BUILD_BUG_ON(sizeof(struct solos_skb_cb) > sizeof(((struct sk_buff *)0)->cb)); |
1483 | ||
9c54004e DW |
1484 | printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION); |
1485 | return pci_register_driver(&fpga_driver); | |
1486 | } | |
1487 | ||
1488 | static void __exit solos_pci_exit(void) | |
1489 | { | |
1490 | pci_unregister_driver(&fpga_driver); | |
1491 | printk(KERN_INFO "Solos PCI Driver %s Unloaded\n", VERSION); | |
1492 | } | |
1493 | ||
1494 | module_init(solos_pci_init); | |
1495 | module_exit(solos_pci_exit); |