Commit | Line | Data |
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394b701c MP |
1 | /* |
2 | * RapidIO interconnect services | |
3 | * (RapidIO Interconnect Specification, http://www.rapidio.org) | |
4 | * | |
5 | * Copyright 2005 MontaVista Software, Inc. | |
6 | * Matt Porter <mporter@kernel.crashing.org> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | */ | |
13 | ||
394b701c MP |
14 | #include <linux/types.h> |
15 | #include <linux/kernel.h> | |
16 | ||
17 | #include <linux/delay.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/rio.h> | |
20 | #include <linux/rio_drv.h> | |
21 | #include <linux/rio_ids.h> | |
22 | #include <linux/rio_regs.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/spinlock.h> | |
de25968c | 25 | #include <linux/slab.h> |
5febf1cd | 26 | #include <linux/interrupt.h> |
394b701c MP |
27 | |
28 | #include "rio.h" | |
29 | ||
30 | static LIST_HEAD(rio_mports); | |
31 | ||
32 | /** | |
33 | * rio_local_get_device_id - Get the base/extended device id for a port | |
34 | * @port: RIO master port from which to get the deviceid | |
35 | * | |
36 | * Reads the base/extended device id from the local device | |
37 | * implementing the master port. Returns the 8/16-bit device | |
38 | * id. | |
39 | */ | |
40 | u16 rio_local_get_device_id(struct rio_mport *port) | |
41 | { | |
42 | u32 result; | |
43 | ||
44 | rio_local_read_config_32(port, RIO_DID_CSR, &result); | |
45 | ||
e0423236 | 46 | return (RIO_GET_DID(port->sys_size, result)); |
394b701c MP |
47 | } |
48 | ||
49 | /** | |
50 | * rio_request_inb_mbox - request inbound mailbox service | |
51 | * @mport: RIO master port from which to allocate the mailbox resource | |
6978bbc0 | 52 | * @dev_id: Device specific pointer to pass on event |
394b701c MP |
53 | * @mbox: Mailbox number to claim |
54 | * @entries: Number of entries in inbound mailbox queue | |
55 | * @minb: Callback to execute when inbound message is received | |
56 | * | |
57 | * Requests ownership of an inbound mailbox resource and binds | |
58 | * a callback function to the resource. Returns %0 on success. | |
59 | */ | |
60 | int rio_request_inb_mbox(struct rio_mport *mport, | |
6978bbc0 | 61 | void *dev_id, |
394b701c MP |
62 | int mbox, |
63 | int entries, | |
6978bbc0 | 64 | void (*minb) (struct rio_mport * mport, void *dev_id, int mbox, |
394b701c MP |
65 | int slot)) |
66 | { | |
67 | int rc = 0; | |
68 | ||
69 | struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); | |
70 | ||
71 | if (res) { | |
72 | rio_init_mbox_res(res, mbox, mbox); | |
73 | ||
74 | /* Make sure this mailbox isn't in use */ | |
75 | if ((rc = | |
76 | request_resource(&mport->riores[RIO_INB_MBOX_RESOURCE], | |
77 | res)) < 0) { | |
78 | kfree(res); | |
79 | goto out; | |
80 | } | |
81 | ||
82 | mport->inb_msg[mbox].res = res; | |
83 | ||
84 | /* Hook the inbound message callback */ | |
85 | mport->inb_msg[mbox].mcback = minb; | |
86 | ||
6978bbc0 | 87 | rc = rio_open_inb_mbox(mport, dev_id, mbox, entries); |
394b701c MP |
88 | } else |
89 | rc = -ENOMEM; | |
90 | ||
91 | out: | |
92 | return rc; | |
93 | } | |
94 | ||
95 | /** | |
96 | * rio_release_inb_mbox - release inbound mailbox message service | |
97 | * @mport: RIO master port from which to release the mailbox resource | |
98 | * @mbox: Mailbox number to release | |
99 | * | |
100 | * Releases ownership of an inbound mailbox resource. Returns 0 | |
101 | * if the request has been satisfied. | |
102 | */ | |
103 | int rio_release_inb_mbox(struct rio_mport *mport, int mbox) | |
104 | { | |
105 | rio_close_inb_mbox(mport, mbox); | |
106 | ||
107 | /* Release the mailbox resource */ | |
108 | return release_resource(mport->inb_msg[mbox].res); | |
109 | } | |
110 | ||
111 | /** | |
112 | * rio_request_outb_mbox - request outbound mailbox service | |
113 | * @mport: RIO master port from which to allocate the mailbox resource | |
6978bbc0 | 114 | * @dev_id: Device specific pointer to pass on event |
394b701c MP |
115 | * @mbox: Mailbox number to claim |
116 | * @entries: Number of entries in outbound mailbox queue | |
117 | * @moutb: Callback to execute when outbound message is sent | |
118 | * | |
119 | * Requests ownership of an outbound mailbox resource and binds | |
120 | * a callback function to the resource. Returns 0 on success. | |
121 | */ | |
122 | int rio_request_outb_mbox(struct rio_mport *mport, | |
6978bbc0 | 123 | void *dev_id, |
394b701c MP |
124 | int mbox, |
125 | int entries, | |
6978bbc0 | 126 | void (*moutb) (struct rio_mport * mport, void *dev_id, int mbox, int slot)) |
394b701c MP |
127 | { |
128 | int rc = 0; | |
129 | ||
130 | struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); | |
131 | ||
132 | if (res) { | |
133 | rio_init_mbox_res(res, mbox, mbox); | |
134 | ||
135 | /* Make sure this outbound mailbox isn't in use */ | |
136 | if ((rc = | |
137 | request_resource(&mport->riores[RIO_OUTB_MBOX_RESOURCE], | |
138 | res)) < 0) { | |
139 | kfree(res); | |
140 | goto out; | |
141 | } | |
142 | ||
143 | mport->outb_msg[mbox].res = res; | |
144 | ||
145 | /* Hook the inbound message callback */ | |
146 | mport->outb_msg[mbox].mcback = moutb; | |
147 | ||
6978bbc0 | 148 | rc = rio_open_outb_mbox(mport, dev_id, mbox, entries); |
394b701c MP |
149 | } else |
150 | rc = -ENOMEM; | |
151 | ||
152 | out: | |
153 | return rc; | |
154 | } | |
155 | ||
156 | /** | |
157 | * rio_release_outb_mbox - release outbound mailbox message service | |
158 | * @mport: RIO master port from which to release the mailbox resource | |
159 | * @mbox: Mailbox number to release | |
160 | * | |
161 | * Releases ownership of an inbound mailbox resource. Returns 0 | |
162 | * if the request has been satisfied. | |
163 | */ | |
164 | int rio_release_outb_mbox(struct rio_mport *mport, int mbox) | |
165 | { | |
166 | rio_close_outb_mbox(mport, mbox); | |
167 | ||
168 | /* Release the mailbox resource */ | |
169 | return release_resource(mport->outb_msg[mbox].res); | |
170 | } | |
171 | ||
172 | /** | |
173 | * rio_setup_inb_dbell - bind inbound doorbell callback | |
174 | * @mport: RIO master port to bind the doorbell callback | |
6978bbc0 | 175 | * @dev_id: Device specific pointer to pass on event |
394b701c MP |
176 | * @res: Doorbell message resource |
177 | * @dinb: Callback to execute when doorbell is received | |
178 | * | |
179 | * Adds a doorbell resource/callback pair into a port's | |
180 | * doorbell event list. Returns 0 if the request has been | |
181 | * satisfied. | |
182 | */ | |
183 | static int | |
6978bbc0 MP |
184 | rio_setup_inb_dbell(struct rio_mport *mport, void *dev_id, struct resource *res, |
185 | void (*dinb) (struct rio_mport * mport, void *dev_id, u16 src, u16 dst, | |
394b701c MP |
186 | u16 info)) |
187 | { | |
188 | int rc = 0; | |
189 | struct rio_dbell *dbell; | |
190 | ||
191 | if (!(dbell = kmalloc(sizeof(struct rio_dbell), GFP_KERNEL))) { | |
192 | rc = -ENOMEM; | |
193 | goto out; | |
194 | } | |
195 | ||
196 | dbell->res = res; | |
197 | dbell->dinb = dinb; | |
6978bbc0 | 198 | dbell->dev_id = dev_id; |
394b701c MP |
199 | |
200 | list_add_tail(&dbell->node, &mport->dbells); | |
201 | ||
202 | out: | |
203 | return rc; | |
204 | } | |
205 | ||
206 | /** | |
207 | * rio_request_inb_dbell - request inbound doorbell message service | |
208 | * @mport: RIO master port from which to allocate the doorbell resource | |
6978bbc0 | 209 | * @dev_id: Device specific pointer to pass on event |
394b701c MP |
210 | * @start: Doorbell info range start |
211 | * @end: Doorbell info range end | |
212 | * @dinb: Callback to execute when doorbell is received | |
213 | * | |
214 | * Requests ownership of an inbound doorbell resource and binds | |
215 | * a callback function to the resource. Returns 0 if the request | |
216 | * has been satisfied. | |
217 | */ | |
218 | int rio_request_inb_dbell(struct rio_mport *mport, | |
6978bbc0 | 219 | void *dev_id, |
394b701c MP |
220 | u16 start, |
221 | u16 end, | |
6978bbc0 | 222 | void (*dinb) (struct rio_mport * mport, void *dev_id, u16 src, |
394b701c MP |
223 | u16 dst, u16 info)) |
224 | { | |
225 | int rc = 0; | |
226 | ||
227 | struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); | |
228 | ||
229 | if (res) { | |
230 | rio_init_dbell_res(res, start, end); | |
231 | ||
232 | /* Make sure these doorbells aren't in use */ | |
233 | if ((rc = | |
234 | request_resource(&mport->riores[RIO_DOORBELL_RESOURCE], | |
235 | res)) < 0) { | |
236 | kfree(res); | |
237 | goto out; | |
238 | } | |
239 | ||
240 | /* Hook the doorbell callback */ | |
6978bbc0 | 241 | rc = rio_setup_inb_dbell(mport, dev_id, res, dinb); |
394b701c MP |
242 | } else |
243 | rc = -ENOMEM; | |
244 | ||
245 | out: | |
246 | return rc; | |
247 | } | |
248 | ||
249 | /** | |
250 | * rio_release_inb_dbell - release inbound doorbell message service | |
251 | * @mport: RIO master port from which to release the doorbell resource | |
252 | * @start: Doorbell info range start | |
253 | * @end: Doorbell info range end | |
254 | * | |
255 | * Releases ownership of an inbound doorbell resource and removes | |
256 | * callback from the doorbell event list. Returns 0 if the request | |
257 | * has been satisfied. | |
258 | */ | |
259 | int rio_release_inb_dbell(struct rio_mport *mport, u16 start, u16 end) | |
260 | { | |
261 | int rc = 0, found = 0; | |
262 | struct rio_dbell *dbell; | |
263 | ||
264 | list_for_each_entry(dbell, &mport->dbells, node) { | |
265 | if ((dbell->res->start == start) && (dbell->res->end == end)) { | |
266 | found = 1; | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | /* If we can't find an exact match, fail */ | |
272 | if (!found) { | |
273 | rc = -EINVAL; | |
274 | goto out; | |
275 | } | |
276 | ||
277 | /* Delete from list */ | |
278 | list_del(&dbell->node); | |
279 | ||
280 | /* Release the doorbell resource */ | |
281 | rc = release_resource(dbell->res); | |
282 | ||
283 | /* Free the doorbell event */ | |
284 | kfree(dbell); | |
285 | ||
286 | out: | |
287 | return rc; | |
288 | } | |
289 | ||
290 | /** | |
291 | * rio_request_outb_dbell - request outbound doorbell message range | |
292 | * @rdev: RIO device from which to allocate the doorbell resource | |
293 | * @start: Doorbell message range start | |
294 | * @end: Doorbell message range end | |
295 | * | |
296 | * Requests ownership of a doorbell message range. Returns a resource | |
297 | * if the request has been satisfied or %NULL on failure. | |
298 | */ | |
299 | struct resource *rio_request_outb_dbell(struct rio_dev *rdev, u16 start, | |
300 | u16 end) | |
301 | { | |
302 | struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); | |
303 | ||
304 | if (res) { | |
305 | rio_init_dbell_res(res, start, end); | |
306 | ||
307 | /* Make sure these doorbells aren't in use */ | |
308 | if (request_resource(&rdev->riores[RIO_DOORBELL_RESOURCE], res) | |
309 | < 0) { | |
310 | kfree(res); | |
311 | res = NULL; | |
312 | } | |
313 | } | |
314 | ||
315 | return res; | |
316 | } | |
317 | ||
318 | /** | |
319 | * rio_release_outb_dbell - release outbound doorbell message range | |
320 | * @rdev: RIO device from which to release the doorbell resource | |
321 | * @res: Doorbell resource to be freed | |
322 | * | |
323 | * Releases ownership of a doorbell message range. Returns 0 if the | |
324 | * request has been satisfied. | |
325 | */ | |
326 | int rio_release_outb_dbell(struct rio_dev *rdev, struct resource *res) | |
327 | { | |
328 | int rc = release_resource(res); | |
329 | ||
330 | kfree(res); | |
331 | ||
332 | return rc; | |
333 | } | |
334 | ||
335 | /** | |
336 | * rio_mport_get_feature - query for devices' extended features | |
337 | * @port: Master port to issue transaction | |
338 | * @local: Indicate a local master port or remote device access | |
339 | * @destid: Destination ID of the device | |
340 | * @hopcount: Number of switch hops to the device | |
341 | * @ftr: Extended feature code | |
342 | * | |
343 | * Tell if a device supports a given RapidIO capability. | |
344 | * Returns the offset of the requested extended feature | |
345 | * block within the device's RIO configuration space or | |
346 | * 0 in case the device does not support it. Possible | |
347 | * values for @ftr: | |
348 | * | |
349 | * %RIO_EFB_PAR_EP_ID LP/LVDS EP Devices | |
350 | * | |
351 | * %RIO_EFB_PAR_EP_REC_ID LP/LVDS EP Recovery Devices | |
352 | * | |
353 | * %RIO_EFB_PAR_EP_FREE_ID LP/LVDS EP Free Devices | |
354 | * | |
355 | * %RIO_EFB_SER_EP_ID LP/Serial EP Devices | |
356 | * | |
357 | * %RIO_EFB_SER_EP_REC_ID LP/Serial EP Recovery Devices | |
358 | * | |
359 | * %RIO_EFB_SER_EP_FREE_ID LP/Serial EP Free Devices | |
360 | */ | |
361 | u32 | |
362 | rio_mport_get_feature(struct rio_mport * port, int local, u16 destid, | |
363 | u8 hopcount, int ftr) | |
364 | { | |
365 | u32 asm_info, ext_ftr_ptr, ftr_header; | |
366 | ||
367 | if (local) | |
368 | rio_local_read_config_32(port, RIO_ASM_INFO_CAR, &asm_info); | |
369 | else | |
370 | rio_mport_read_config_32(port, destid, hopcount, | |
371 | RIO_ASM_INFO_CAR, &asm_info); | |
372 | ||
373 | ext_ftr_ptr = asm_info & RIO_EXT_FTR_PTR_MASK; | |
374 | ||
375 | while (ext_ftr_ptr) { | |
376 | if (local) | |
377 | rio_local_read_config_32(port, ext_ftr_ptr, | |
378 | &ftr_header); | |
379 | else | |
380 | rio_mport_read_config_32(port, destid, hopcount, | |
381 | ext_ftr_ptr, &ftr_header); | |
382 | if (RIO_GET_BLOCK_ID(ftr_header) == ftr) | |
383 | return ext_ftr_ptr; | |
384 | if (!(ext_ftr_ptr = RIO_GET_BLOCK_PTR(ftr_header))) | |
385 | break; | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | /** | |
392 | * rio_get_asm - Begin or continue searching for a RIO device by vid/did/asm_vid/asm_did | |
393 | * @vid: RIO vid to match or %RIO_ANY_ID to match all vids | |
394 | * @did: RIO did to match or %RIO_ANY_ID to match all dids | |
395 | * @asm_vid: RIO asm_vid to match or %RIO_ANY_ID to match all asm_vids | |
396 | * @asm_did: RIO asm_did to match or %RIO_ANY_ID to match all asm_dids | |
397 | * @from: Previous RIO device found in search, or %NULL for new search | |
398 | * | |
399 | * Iterates through the list of known RIO devices. If a RIO device is | |
400 | * found with a matching @vid, @did, @asm_vid, @asm_did, the reference | |
401 | * count to the device is incrememted and a pointer to its device | |
402 | * structure is returned. Otherwise, %NULL is returned. A new search | |
403 | * is initiated by passing %NULL to the @from argument. Otherwise, if | |
404 | * @from is not %NULL, searches continue from next device on the global | |
405 | * list. The reference count for @from is always decremented if it is | |
406 | * not %NULL. | |
407 | */ | |
408 | struct rio_dev *rio_get_asm(u16 vid, u16 did, | |
409 | u16 asm_vid, u16 asm_did, struct rio_dev *from) | |
410 | { | |
411 | struct list_head *n; | |
412 | struct rio_dev *rdev; | |
413 | ||
414 | WARN_ON(in_interrupt()); | |
415 | spin_lock(&rio_global_list_lock); | |
416 | n = from ? from->global_list.next : rio_devices.next; | |
417 | ||
418 | while (n && (n != &rio_devices)) { | |
419 | rdev = rio_dev_g(n); | |
420 | if ((vid == RIO_ANY_ID || rdev->vid == vid) && | |
421 | (did == RIO_ANY_ID || rdev->did == did) && | |
422 | (asm_vid == RIO_ANY_ID || rdev->asm_vid == asm_vid) && | |
423 | (asm_did == RIO_ANY_ID || rdev->asm_did == asm_did)) | |
424 | goto exit; | |
425 | n = n->next; | |
426 | } | |
427 | rdev = NULL; | |
428 | exit: | |
429 | rio_dev_put(from); | |
430 | rdev = rio_dev_get(rdev); | |
431 | spin_unlock(&rio_global_list_lock); | |
432 | return rdev; | |
433 | } | |
434 | ||
435 | /** | |
436 | * rio_get_device - Begin or continue searching for a RIO device by vid/did | |
437 | * @vid: RIO vid to match or %RIO_ANY_ID to match all vids | |
438 | * @did: RIO did to match or %RIO_ANY_ID to match all dids | |
439 | * @from: Previous RIO device found in search, or %NULL for new search | |
440 | * | |
441 | * Iterates through the list of known RIO devices. If a RIO device is | |
442 | * found with a matching @vid and @did, the reference count to the | |
443 | * device is incrememted and a pointer to its device structure is returned. | |
444 | * Otherwise, %NULL is returned. A new search is initiated by passing %NULL | |
445 | * to the @from argument. Otherwise, if @from is not %NULL, searches | |
446 | * continue from next device on the global list. The reference count for | |
447 | * @from is always decremented if it is not %NULL. | |
448 | */ | |
449 | struct rio_dev *rio_get_device(u16 vid, u16 did, struct rio_dev *from) | |
450 | { | |
451 | return rio_get_asm(vid, did, RIO_ANY_ID, RIO_ANY_ID, from); | |
452 | } | |
453 | ||
07590ff0 AB |
454 | /** |
455 | * rio_std_route_add_entry - Add switch route table entry using standard | |
456 | * registers defined in RIO specification rev.1.3 | |
457 | * @mport: Master port to issue transaction | |
458 | * @destid: Destination ID of the device | |
459 | * @hopcount: Number of switch hops to the device | |
460 | * @table: routing table ID (global or port-specific) | |
461 | * @route_destid: destID entry in the RT | |
462 | * @route_port: destination port for specified destID | |
463 | */ | |
464 | int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount, | |
465 | u16 table, u16 route_destid, u8 route_port) | |
466 | { | |
467 | if (table == RIO_GLOBAL_TABLE) { | |
468 | rio_mport_write_config_32(mport, destid, hopcount, | |
469 | RIO_STD_RTE_CONF_DESTID_SEL_CSR, | |
470 | (u32)route_destid); | |
471 | rio_mport_write_config_32(mport, destid, hopcount, | |
472 | RIO_STD_RTE_CONF_PORT_SEL_CSR, | |
473 | (u32)route_port); | |
474 | } | |
475 | udelay(10); | |
476 | return 0; | |
477 | } | |
478 | ||
479 | /** | |
480 | * rio_std_route_get_entry - Read switch route table entry (port number) | |
481 | * assosiated with specified destID using standard registers defined in RIO | |
482 | * specification rev.1.3 | |
483 | * @mport: Master port to issue transaction | |
484 | * @destid: Destination ID of the device | |
485 | * @hopcount: Number of switch hops to the device | |
486 | * @table: routing table ID (global or port-specific) | |
487 | * @route_destid: destID entry in the RT | |
488 | * @route_port: returned destination port for specified destID | |
489 | */ | |
490 | int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, u8 hopcount, | |
491 | u16 table, u16 route_destid, u8 *route_port) | |
492 | { | |
493 | u32 result; | |
494 | ||
495 | if (table == RIO_GLOBAL_TABLE) { | |
496 | rio_mport_write_config_32(mport, destid, hopcount, | |
497 | RIO_STD_RTE_CONF_DESTID_SEL_CSR, route_destid); | |
498 | rio_mport_read_config_32(mport, destid, hopcount, | |
499 | RIO_STD_RTE_CONF_PORT_SEL_CSR, &result); | |
500 | ||
501 | *route_port = (u8)result; | |
502 | } | |
503 | ||
504 | return 0; | |
505 | } | |
506 | ||
507 | /** | |
508 | * rio_std_route_clr_table - Clear swotch route table using standard registers | |
509 | * defined in RIO specification rev.1.3. | |
510 | * @mport: Master port to issue transaction | |
511 | * @local: Indicate a local master port or remote device access | |
512 | * @destid: Destination ID of the device | |
513 | * @hopcount: Number of switch hops to the device | |
514 | * @table: routing table ID (global or port-specific) | |
515 | */ | |
516 | int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount, | |
517 | u16 table) | |
518 | { | |
519 | u32 max_destid = 0xff; | |
520 | u32 i, pef, id_inc = 1, ext_cfg = 0; | |
521 | u32 port_sel = RIO_INVALID_ROUTE; | |
522 | ||
523 | if (table == RIO_GLOBAL_TABLE) { | |
524 | rio_mport_read_config_32(mport, destid, hopcount, | |
525 | RIO_PEF_CAR, &pef); | |
526 | ||
527 | if (mport->sys_size) { | |
528 | rio_mport_read_config_32(mport, destid, hopcount, | |
529 | RIO_SWITCH_RT_LIMIT, | |
530 | &max_destid); | |
531 | max_destid &= RIO_RT_MAX_DESTID; | |
532 | } | |
533 | ||
534 | if (pef & RIO_PEF_EXT_RT) { | |
535 | ext_cfg = 0x80000000; | |
536 | id_inc = 4; | |
537 | port_sel = (RIO_INVALID_ROUTE << 24) | | |
538 | (RIO_INVALID_ROUTE << 16) | | |
539 | (RIO_INVALID_ROUTE << 8) | | |
540 | RIO_INVALID_ROUTE; | |
541 | } | |
542 | ||
543 | for (i = 0; i <= max_destid;) { | |
544 | rio_mport_write_config_32(mport, destid, hopcount, | |
545 | RIO_STD_RTE_CONF_DESTID_SEL_CSR, | |
546 | ext_cfg | i); | |
547 | rio_mport_write_config_32(mport, destid, hopcount, | |
548 | RIO_STD_RTE_CONF_PORT_SEL_CSR, | |
549 | port_sel); | |
550 | i += id_inc; | |
551 | } | |
552 | } | |
553 | ||
554 | udelay(10); | |
555 | return 0; | |
556 | } | |
557 | ||
394b701c MP |
558 | static void rio_fixup_device(struct rio_dev *dev) |
559 | { | |
560 | } | |
561 | ||
562 | static int __devinit rio_init(void) | |
563 | { | |
564 | struct rio_dev *dev = NULL; | |
565 | ||
566 | while ((dev = rio_get_device(RIO_ANY_ID, RIO_ANY_ID, dev)) != NULL) { | |
567 | rio_fixup_device(dev); | |
568 | } | |
569 | return 0; | |
570 | } | |
571 | ||
572 | device_initcall(rio_init); | |
573 | ||
37d33d15 | 574 | int __devinit rio_init_mports(void) |
394b701c MP |
575 | { |
576 | int rc = 0; | |
577 | struct rio_mport *port; | |
578 | ||
579 | list_for_each_entry(port, &rio_mports, node) { | |
580 | if (!request_mem_region(port->iores.start, | |
581 | port->iores.end - port->iores.start, | |
582 | port->name)) { | |
583 | printk(KERN_ERR | |
5febf1cd KG |
584 | "RIO: Error requesting master port region 0x%016llx-0x%016llx\n", |
585 | (u64)port->iores.start, (u64)port->iores.end - 1); | |
394b701c MP |
586 | rc = -ENOMEM; |
587 | goto out; | |
588 | } | |
589 | ||
590 | if (port->host_deviceid >= 0) | |
591 | rio_enum_mport(port); | |
592 | else | |
593 | rio_disc_mport(port); | |
594 | } | |
595 | ||
596 | out: | |
597 | return rc; | |
598 | } | |
599 | ||
600 | void rio_register_mport(struct rio_mport *port) | |
601 | { | |
602 | list_add_tail(&port->node, &rio_mports); | |
603 | } | |
604 | ||
605 | EXPORT_SYMBOL_GPL(rio_local_get_device_id); | |
606 | EXPORT_SYMBOL_GPL(rio_get_device); | |
607 | EXPORT_SYMBOL_GPL(rio_get_asm); | |
608 | EXPORT_SYMBOL_GPL(rio_request_inb_dbell); | |
609 | EXPORT_SYMBOL_GPL(rio_release_inb_dbell); | |
610 | EXPORT_SYMBOL_GPL(rio_request_outb_dbell); | |
611 | EXPORT_SYMBOL_GPL(rio_release_outb_dbell); | |
612 | EXPORT_SYMBOL_GPL(rio_request_inb_mbox); | |
613 | EXPORT_SYMBOL_GPL(rio_release_inb_mbox); | |
614 | EXPORT_SYMBOL_GPL(rio_request_outb_mbox); | |
615 | EXPORT_SYMBOL_GPL(rio_release_outb_mbox); |