Commit | Line | Data |
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ffbdd246 GL |
1 | /* |
2 | * PS3 device registration routines. | |
3 | * | |
4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. | |
5 | * Copyright 2007 Sony Corp. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include <linux/delay.h> | |
22 | #include <linux/freezer.h> | |
23 | #include <linux/kernel.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/init.h> | |
b4cb2941 | 26 | #include <linux/reboot.h> |
ffbdd246 GL |
27 | |
28 | #include <asm/firmware.h> | |
29 | #include <asm/lv1call.h> | |
a5c631b1 | 30 | #include <asm/ps3stor.h> |
ffbdd246 GL |
31 | |
32 | #include "platform.h" | |
33 | ||
ed757002 GL |
34 | static int __init ps3_register_lpm_devices(void) |
35 | { | |
36 | int result; | |
37 | u64 tmp1; | |
38 | u64 tmp2; | |
39 | struct ps3_system_bus_device *dev; | |
40 | ||
41 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
42 | ||
43 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
44 | if (!dev) | |
45 | return -ENOMEM; | |
46 | ||
47 | dev->match_id = PS3_MATCH_ID_LPM; | |
48 | dev->dev_type = PS3_DEVICE_TYPE_LPM; | |
49 | ||
50 | /* The current lpm driver only supports a single BE processor. */ | |
51 | ||
52 | result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); | |
53 | ||
54 | if (result) { | |
55 | pr_debug("%s:%d: ps3_repository_read_be_node_id failed \n", | |
56 | __func__, __LINE__); | |
57 | goto fail_read_repo; | |
58 | } | |
59 | ||
60 | result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, | |
61 | &dev->lpm.rights); | |
62 | ||
63 | if (result) { | |
64 | pr_debug("%s:%d: ps3_repository_read_lpm_privleges failed \n", | |
65 | __func__, __LINE__); | |
66 | goto fail_read_repo; | |
67 | } | |
68 | ||
69 | lv1_get_logical_partition_id(&tmp2); | |
70 | ||
71 | if (tmp1 != tmp2) { | |
72 | pr_debug("%s:%d: wrong lpar\n", | |
73 | __func__, __LINE__); | |
74 | result = -ENODEV; | |
75 | goto fail_rights; | |
76 | } | |
77 | ||
78 | if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { | |
79 | pr_debug("%s:%d: don't have rights to use lpm\n", | |
80 | __func__, __LINE__); | |
81 | result = -EPERM; | |
82 | goto fail_rights; | |
83 | } | |
84 | ||
5c949070 | 85 | pr_debug("%s:%d: pu_id %llu, rights %llu(%llxh)\n", |
ed757002 GL |
86 | __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, |
87 | dev->lpm.rights); | |
88 | ||
89 | result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); | |
90 | ||
91 | if (result) { | |
92 | pr_debug("%s:%d: ps3_repository_read_pu_id failed \n", | |
93 | __func__, __LINE__); | |
94 | goto fail_read_repo; | |
95 | } | |
96 | ||
97 | result = ps3_system_bus_device_register(dev); | |
98 | ||
99 | if (result) { | |
100 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
101 | __func__, __LINE__); | |
102 | goto fail_register; | |
103 | } | |
104 | ||
105 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
106 | return 0; | |
107 | ||
108 | ||
109 | fail_register: | |
110 | fail_rights: | |
111 | fail_read_repo: | |
112 | kfree(dev); | |
113 | pr_debug(" <- %s:%d: failed\n", __func__, __LINE__); | |
114 | return result; | |
115 | } | |
116 | ||
ffbdd246 GL |
117 | /** |
118 | * ps3_setup_gelic_device - Setup and register a gelic device instance. | |
119 | * | |
120 | * Allocates memory for a struct ps3_system_bus_device instance, initialises the | |
121 | * structure members, and registers the device instance with the system bus. | |
122 | */ | |
123 | ||
124 | static int __init ps3_setup_gelic_device( | |
125 | const struct ps3_repository_device *repo) | |
126 | { | |
127 | int result; | |
128 | struct layout { | |
129 | struct ps3_system_bus_device dev; | |
130 | struct ps3_dma_region d_region; | |
131 | } *p; | |
132 | ||
133 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
134 | ||
135 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); | |
136 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_GELIC); | |
137 | ||
138 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
139 | ||
140 | if (!p) { | |
141 | result = -ENOMEM; | |
142 | goto fail_malloc; | |
143 | } | |
144 | ||
145 | p->dev.match_id = PS3_MATCH_ID_GELIC; | |
146 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; | |
147 | p->dev.bus_id = repo->bus_id; | |
148 | p->dev.dev_id = repo->dev_id; | |
149 | p->dev.d_region = &p->d_region; | |
150 | ||
151 | result = ps3_repository_find_interrupt(repo, | |
152 | PS3_INTERRUPT_TYPE_EVENT_PORT, &p->dev.interrupt_id); | |
153 | ||
154 | if (result) { | |
155 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", | |
156 | __func__, __LINE__); | |
157 | goto fail_find_interrupt; | |
158 | } | |
159 | ||
160 | BUG_ON(p->dev.interrupt_id != 0); | |
161 | ||
162 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, | |
163 | PS3_DMA_OTHER, NULL, 0); | |
164 | ||
165 | if (result) { | |
166 | pr_debug("%s:%d ps3_dma_region_init failed\n", | |
167 | __func__, __LINE__); | |
168 | goto fail_dma_init; | |
169 | } | |
170 | ||
171 | result = ps3_system_bus_device_register(&p->dev); | |
172 | ||
173 | if (result) { | |
174 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
175 | __func__, __LINE__); | |
176 | goto fail_device_register; | |
177 | } | |
178 | ||
179 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
180 | return result; | |
181 | ||
182 | fail_device_register: | |
183 | fail_dma_init: | |
184 | fail_find_interrupt: | |
185 | kfree(p); | |
186 | fail_malloc: | |
187 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); | |
188 | return result; | |
189 | } | |
190 | ||
191 | static int __init_refok ps3_setup_uhc_device( | |
192 | const struct ps3_repository_device *repo, enum ps3_match_id match_id, | |
193 | enum ps3_interrupt_type interrupt_type, enum ps3_reg_type reg_type) | |
194 | { | |
195 | int result; | |
196 | struct layout { | |
197 | struct ps3_system_bus_device dev; | |
198 | struct ps3_dma_region d_region; | |
199 | struct ps3_mmio_region m_region; | |
200 | } *p; | |
201 | u64 bus_addr; | |
202 | u64 len; | |
203 | ||
204 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
205 | ||
206 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); | |
207 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_USB); | |
208 | ||
209 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
210 | ||
211 | if (!p) { | |
212 | result = -ENOMEM; | |
213 | goto fail_malloc; | |
214 | } | |
215 | ||
216 | p->dev.match_id = match_id; | |
217 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; | |
218 | p->dev.bus_id = repo->bus_id; | |
219 | p->dev.dev_id = repo->dev_id; | |
220 | p->dev.d_region = &p->d_region; | |
221 | p->dev.m_region = &p->m_region; | |
222 | ||
223 | result = ps3_repository_find_interrupt(repo, | |
224 | interrupt_type, &p->dev.interrupt_id); | |
225 | ||
226 | if (result) { | |
227 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", | |
228 | __func__, __LINE__); | |
229 | goto fail_find_interrupt; | |
230 | } | |
231 | ||
232 | result = ps3_repository_find_reg(repo, reg_type, | |
233 | &bus_addr, &len); | |
234 | ||
235 | if (result) { | |
236 | pr_debug("%s:%d ps3_repository_find_reg failed\n", | |
237 | __func__, __LINE__); | |
238 | goto fail_find_reg; | |
239 | } | |
240 | ||
241 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, | |
242 | PS3_DMA_INTERNAL, NULL, 0); | |
243 | ||
244 | if (result) { | |
245 | pr_debug("%s:%d ps3_dma_region_init failed\n", | |
246 | __func__, __LINE__); | |
247 | goto fail_dma_init; | |
248 | } | |
249 | ||
250 | result = ps3_mmio_region_init(&p->dev, p->dev.m_region, bus_addr, len, | |
251 | PS3_MMIO_4K); | |
252 | ||
253 | if (result) { | |
254 | pr_debug("%s:%d ps3_mmio_region_init failed\n", | |
255 | __func__, __LINE__); | |
256 | goto fail_mmio_init; | |
257 | } | |
258 | ||
259 | result = ps3_system_bus_device_register(&p->dev); | |
260 | ||
261 | if (result) { | |
262 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
263 | __func__, __LINE__); | |
264 | goto fail_device_register; | |
265 | } | |
266 | ||
267 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
268 | return result; | |
269 | ||
270 | fail_device_register: | |
271 | fail_mmio_init: | |
272 | fail_dma_init: | |
273 | fail_find_reg: | |
274 | fail_find_interrupt: | |
275 | kfree(p); | |
276 | fail_malloc: | |
277 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); | |
278 | return result; | |
279 | } | |
280 | ||
281 | static int __init ps3_setup_ehci_device( | |
282 | const struct ps3_repository_device *repo) | |
283 | { | |
284 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_EHCI, | |
285 | PS3_INTERRUPT_TYPE_SB_EHCI, PS3_REG_TYPE_SB_EHCI); | |
286 | } | |
287 | ||
288 | static int __init ps3_setup_ohci_device( | |
289 | const struct ps3_repository_device *repo) | |
290 | { | |
291 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_OHCI, | |
292 | PS3_INTERRUPT_TYPE_SB_OHCI, PS3_REG_TYPE_SB_OHCI); | |
293 | } | |
294 | ||
295 | static int __init ps3_setup_vuart_device(enum ps3_match_id match_id, | |
296 | unsigned int port_number) | |
297 | { | |
298 | int result; | |
299 | struct layout { | |
300 | struct ps3_system_bus_device dev; | |
301 | } *p; | |
302 | ||
303 | pr_debug(" -> %s:%d: match_id %u, port %u\n", __func__, __LINE__, | |
304 | match_id, port_number); | |
305 | ||
306 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
307 | ||
308 | if (!p) | |
309 | return -ENOMEM; | |
310 | ||
311 | p->dev.match_id = match_id; | |
312 | p->dev.dev_type = PS3_DEVICE_TYPE_VUART; | |
313 | p->dev.port_number = port_number; | |
314 | ||
315 | result = ps3_system_bus_device_register(&p->dev); | |
316 | ||
d4ad3048 | 317 | if (result) { |
ffbdd246 GL |
318 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
319 | __func__, __LINE__); | |
d4ad3048 MM |
320 | goto fail_device_register; |
321 | } | |
ffbdd246 | 322 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
d4ad3048 MM |
323 | return 0; |
324 | ||
325 | fail_device_register: | |
326 | kfree(p); | |
327 | pr_debug(" <- %s:%d fail\n", __func__, __LINE__); | |
ffbdd246 GL |
328 | return result; |
329 | } | |
330 | ||
a5c631b1 GU |
331 | static int ps3_setup_storage_dev(const struct ps3_repository_device *repo, |
332 | enum ps3_match_id match_id) | |
333 | { | |
334 | int result; | |
335 | struct ps3_storage_device *p; | |
336 | u64 port, blk_size, num_blocks; | |
337 | unsigned int num_regions, i; | |
338 | ||
339 | pr_debug(" -> %s:%u: match_id %u\n", __func__, __LINE__, match_id); | |
340 | ||
341 | result = ps3_repository_read_stor_dev_info(repo->bus_index, | |
342 | repo->dev_index, &port, | |
343 | &blk_size, &num_blocks, | |
344 | &num_regions); | |
345 | if (result) { | |
346 | printk(KERN_ERR "%s:%u: _read_stor_dev_info failed %d\n", | |
347 | __func__, __LINE__, result); | |
348 | return -ENODEV; | |
349 | } | |
350 | ||
5c949070 | 351 | pr_debug("%s:%u: (%u:%u:%u): port %llu blk_size %llu num_blocks %llu " |
a5c631b1 | 352 | "num_regions %u\n", __func__, __LINE__, repo->bus_index, |
75cdff92 GL |
353 | repo->dev_index, repo->dev_type, port, blk_size, num_blocks, |
354 | num_regions); | |
a5c631b1 GU |
355 | |
356 | p = kzalloc(sizeof(struct ps3_storage_device) + | |
357 | num_regions * sizeof(struct ps3_storage_region), | |
358 | GFP_KERNEL); | |
359 | if (!p) { | |
360 | result = -ENOMEM; | |
361 | goto fail_malloc; | |
362 | } | |
363 | ||
364 | p->sbd.match_id = match_id; | |
365 | p->sbd.dev_type = PS3_DEVICE_TYPE_SB; | |
366 | p->sbd.bus_id = repo->bus_id; | |
367 | p->sbd.dev_id = repo->dev_id; | |
368 | p->sbd.d_region = &p->dma_region; | |
369 | p->blk_size = blk_size; | |
370 | p->num_regions = num_regions; | |
371 | ||
372 | result = ps3_repository_find_interrupt(repo, | |
373 | PS3_INTERRUPT_TYPE_EVENT_PORT, | |
374 | &p->sbd.interrupt_id); | |
375 | if (result) { | |
376 | printk(KERN_ERR "%s:%u: find_interrupt failed %d\n", __func__, | |
377 | __LINE__, result); | |
378 | result = -ENODEV; | |
379 | goto fail_find_interrupt; | |
380 | } | |
381 | ||
a5c631b1 GU |
382 | for (i = 0; i < num_regions; i++) { |
383 | unsigned int id; | |
384 | u64 start, size; | |
385 | ||
386 | result = ps3_repository_read_stor_dev_region(repo->bus_index, | |
387 | repo->dev_index, | |
388 | i, &id, &start, | |
389 | &size); | |
390 | if (result) { | |
391 | printk(KERN_ERR | |
392 | "%s:%u: read_stor_dev_region failed %d\n", | |
393 | __func__, __LINE__, result); | |
394 | result = -ENODEV; | |
395 | goto fail_read_region; | |
396 | } | |
5c949070 | 397 | pr_debug("%s:%u: region %u: id %u start %llu size %llu\n", |
a5c631b1 GU |
398 | __func__, __LINE__, i, id, start, size); |
399 | ||
400 | p->regions[i].id = id; | |
401 | p->regions[i].start = start; | |
402 | p->regions[i].size = size; | |
403 | } | |
404 | ||
405 | result = ps3_system_bus_device_register(&p->sbd); | |
406 | if (result) { | |
407 | pr_debug("%s:%u ps3_system_bus_device_register failed\n", | |
408 | __func__, __LINE__); | |
409 | goto fail_device_register; | |
410 | } | |
411 | ||
412 | pr_debug(" <- %s:%u\n", __func__, __LINE__); | |
413 | return 0; | |
414 | ||
415 | fail_device_register: | |
416 | fail_read_region: | |
a5c631b1 GU |
417 | fail_find_interrupt: |
418 | kfree(p); | |
419 | fail_malloc: | |
420 | pr_debug(" <- %s:%u: fail.\n", __func__, __LINE__); | |
421 | return result; | |
422 | } | |
423 | ||
ffbdd246 GL |
424 | static int __init ps3_register_vuart_devices(void) |
425 | { | |
426 | int result; | |
427 | unsigned int port_number; | |
428 | ||
429 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
430 | ||
431 | result = ps3_repository_read_vuart_av_port(&port_number); | |
432 | if (result) | |
433 | port_number = 0; /* av default */ | |
434 | ||
435 | result = ps3_setup_vuart_device(PS3_MATCH_ID_AV_SETTINGS, port_number); | |
436 | WARN_ON(result); | |
437 | ||
438 | result = ps3_repository_read_vuart_sysmgr_port(&port_number); | |
439 | if (result) | |
440 | port_number = 2; /* sysmgr default */ | |
441 | ||
442 | result = ps3_setup_vuart_device(PS3_MATCH_ID_SYSTEM_MANAGER, | |
443 | port_number); | |
444 | WARN_ON(result); | |
445 | ||
446 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
447 | return result; | |
448 | } | |
449 | ||
450 | static int __init ps3_register_sound_devices(void) | |
451 | { | |
452 | int result; | |
453 | struct layout { | |
454 | struct ps3_system_bus_device dev; | |
455 | struct ps3_dma_region d_region; | |
456 | struct ps3_mmio_region m_region; | |
457 | } *p; | |
458 | ||
459 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
460 | ||
461 | p = kzalloc(sizeof(*p), GFP_KERNEL); | |
462 | if (!p) | |
463 | return -ENOMEM; | |
464 | ||
465 | p->dev.match_id = PS3_MATCH_ID_SOUND; | |
466 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; | |
467 | p->dev.d_region = &p->d_region; | |
468 | p->dev.m_region = &p->m_region; | |
469 | ||
470 | result = ps3_system_bus_device_register(&p->dev); | |
471 | ||
d4ad3048 | 472 | if (result) { |
ffbdd246 GL |
473 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
474 | __func__, __LINE__); | |
d4ad3048 MM |
475 | goto fail_device_register; |
476 | } | |
ffbdd246 | 477 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
d4ad3048 MM |
478 | return 0; |
479 | ||
480 | fail_device_register: | |
481 | kfree(p); | |
482 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
ffbdd246 GL |
483 | return result; |
484 | } | |
485 | ||
486 | static int __init ps3_register_graphics_devices(void) | |
487 | { | |
488 | int result; | |
489 | struct layout { | |
490 | struct ps3_system_bus_device dev; | |
491 | } *p; | |
492 | ||
493 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
494 | ||
495 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
496 | ||
497 | if (!p) | |
498 | return -ENOMEM; | |
499 | ||
46d01492 GU |
500 | p->dev.match_id = PS3_MATCH_ID_GPU; |
501 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_FB; | |
ffbdd246 GL |
502 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
503 | ||
504 | result = ps3_system_bus_device_register(&p->dev); | |
505 | ||
d4ad3048 | 506 | if (result) { |
ffbdd246 GL |
507 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
508 | __func__, __LINE__); | |
d4ad3048 MM |
509 | goto fail_device_register; |
510 | } | |
ffbdd246 GL |
511 | |
512 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
d4ad3048 MM |
513 | return 0; |
514 | ||
515 | fail_device_register: | |
516 | kfree(p); | |
517 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
ffbdd246 GL |
518 | return result; |
519 | } | |
520 | ||
cffb4add JP |
521 | static int __init ps3_register_ramdisk_device(void) |
522 | { | |
523 | int result; | |
524 | struct layout { | |
525 | struct ps3_system_bus_device dev; | |
526 | } *p; | |
527 | ||
528 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
529 | ||
530 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
531 | ||
532 | if (!p) | |
533 | return -ENOMEM; | |
534 | ||
535 | p->dev.match_id = PS3_MATCH_ID_GPU; | |
536 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_RAMDISK; | |
537 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; | |
538 | ||
539 | result = ps3_system_bus_device_register(&p->dev); | |
540 | ||
541 | if (result) { | |
542 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
543 | __func__, __LINE__); | |
544 | goto fail_device_register; | |
545 | } | |
546 | ||
547 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
548 | return 0; | |
549 | ||
550 | fail_device_register: | |
551 | kfree(p); | |
552 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
553 | return result; | |
554 | } | |
555 | ||
ffbdd246 | 556 | /** |
b163a256 | 557 | * ps3_setup_dynamic_device - Setup a dynamic device from the repository |
ffbdd246 GL |
558 | */ |
559 | ||
b163a256 | 560 | static int ps3_setup_dynamic_device(const struct ps3_repository_device *repo) |
ffbdd246 GL |
561 | { |
562 | int result; | |
563 | ||
564 | switch (repo->dev_type) { | |
a5c631b1 GU |
565 | case PS3_DEV_TYPE_STOR_DISK: |
566 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); | |
567 | ||
568 | /* Some devices are not accessable from the Other OS lpar. */ | |
569 | if (result == -ENODEV) { | |
570 | result = 0; | |
571 | pr_debug("%s:%u: not accessable\n", __func__, | |
572 | __LINE__); | |
573 | } | |
574 | ||
575 | if (result) | |
576 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
577 | __func__, __LINE__); | |
578 | break; | |
579 | ||
580 | case PS3_DEV_TYPE_STOR_ROM: | |
581 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_ROM); | |
582 | if (result) | |
583 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
584 | __func__, __LINE__); | |
585 | break; | |
586 | ||
587 | case PS3_DEV_TYPE_STOR_FLASH: | |
588 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_FLASH); | |
589 | if (result) | |
590 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
591 | __func__, __LINE__); | |
592 | break; | |
593 | ||
ffbdd246 GL |
594 | default: |
595 | result = 0; | |
596 | pr_debug("%s:%u: unsupported dev_type %u\n", __func__, __LINE__, | |
597 | repo->dev_type); | |
598 | } | |
599 | ||
600 | return result; | |
601 | } | |
602 | ||
b163a256 GU |
603 | /** |
604 | * ps3_setup_static_device - Setup a static device from the repository | |
605 | */ | |
606 | ||
607 | static int __init ps3_setup_static_device(const struct ps3_repository_device *repo) | |
608 | { | |
609 | int result; | |
610 | ||
611 | switch (repo->dev_type) { | |
612 | case PS3_DEV_TYPE_SB_GELIC: | |
613 | result = ps3_setup_gelic_device(repo); | |
614 | if (result) { | |
615 | pr_debug("%s:%d ps3_setup_gelic_device failed\n", | |
616 | __func__, __LINE__); | |
617 | } | |
618 | break; | |
619 | case PS3_DEV_TYPE_SB_USB: | |
620 | ||
621 | /* Each USB device has both an EHCI and an OHCI HC */ | |
622 | ||
623 | result = ps3_setup_ehci_device(repo); | |
624 | ||
625 | if (result) { | |
626 | pr_debug("%s:%d ps3_setup_ehci_device failed\n", | |
627 | __func__, __LINE__); | |
628 | } | |
629 | ||
630 | result = ps3_setup_ohci_device(repo); | |
631 | ||
632 | if (result) { | |
633 | pr_debug("%s:%d ps3_setup_ohci_device failed\n", | |
634 | __func__, __LINE__); | |
635 | } | |
636 | break; | |
637 | ||
638 | default: | |
639 | return ps3_setup_dynamic_device(repo); | |
640 | } | |
641 | ||
642 | return result; | |
643 | } | |
644 | ||
972b1f04 GU |
645 | static void ps3_find_and_add_device(u64 bus_id, u64 dev_id) |
646 | { | |
647 | struct ps3_repository_device repo; | |
648 | int res; | |
649 | unsigned int retries; | |
650 | unsigned long rem; | |
651 | ||
652 | /* | |
653 | * On some firmware versions (e.g. 1.90), the device may not show up | |
654 | * in the repository immediately | |
655 | */ | |
656 | for (retries = 0; retries < 10; retries++) { | |
657 | res = ps3_repository_find_device_by_id(&repo, bus_id, dev_id); | |
658 | if (!res) | |
659 | goto found; | |
660 | ||
661 | rem = msleep_interruptible(100); | |
662 | if (rem) | |
663 | break; | |
664 | } | |
5c949070 | 665 | pr_warning("%s:%u: device %llu:%llu not found\n", __func__, __LINE__, |
972b1f04 GU |
666 | bus_id, dev_id); |
667 | return; | |
668 | ||
669 | found: | |
670 | if (retries) | |
5c949070 | 671 | pr_debug("%s:%u: device %llu:%llu found after %u retries\n", |
972b1f04 GU |
672 | __func__, __LINE__, bus_id, dev_id, retries); |
673 | ||
b163a256 | 674 | ps3_setup_dynamic_device(&repo); |
972b1f04 GU |
675 | return; |
676 | } | |
b4cb2941 GU |
677 | |
678 | #define PS3_NOTIFICATION_DEV_ID ULONG_MAX | |
679 | #define PS3_NOTIFICATION_INTERRUPT_ID 0 | |
680 | ||
681 | struct ps3_notification_device { | |
682 | struct ps3_system_bus_device sbd; | |
683 | spinlock_t lock; | |
684 | u64 tag; | |
685 | u64 lv1_status; | |
686 | struct completion done; | |
687 | }; | |
688 | ||
689 | enum ps3_notify_type { | |
690 | notify_device_ready = 0, | |
691 | notify_region_probe = 1, | |
692 | notify_region_update = 2, | |
693 | }; | |
694 | ||
695 | struct ps3_notify_cmd { | |
696 | u64 operation_code; /* must be zero */ | |
697 | u64 event_mask; /* OR of 1UL << enum ps3_notify_type */ | |
698 | }; | |
699 | ||
700 | struct ps3_notify_event { | |
701 | u64 event_type; /* enum ps3_notify_type */ | |
702 | u64 bus_id; | |
703 | u64 dev_id; | |
704 | u64 dev_type; | |
705 | u64 dev_port; | |
706 | }; | |
707 | ||
708 | static irqreturn_t ps3_notification_interrupt(int irq, void *data) | |
709 | { | |
710 | struct ps3_notification_device *dev = data; | |
711 | int res; | |
712 | u64 tag, status; | |
713 | ||
714 | spin_lock(&dev->lock); | |
715 | res = lv1_storage_get_async_status(PS3_NOTIFICATION_DEV_ID, &tag, | |
716 | &status); | |
717 | if (tag != dev->tag) | |
5c949070 | 718 | pr_err("%s:%u: tag mismatch, got %llx, expected %llx\n", |
b4cb2941 GU |
719 | __func__, __LINE__, tag, dev->tag); |
720 | ||
721 | if (res) { | |
5c949070 | 722 | pr_err("%s:%u: res %d status 0x%llx\n", __func__, __LINE__, res, |
b4cb2941 GU |
723 | status); |
724 | } else { | |
5c949070 | 725 | pr_debug("%s:%u: completed, status 0x%llx\n", __func__, |
b4cb2941 GU |
726 | __LINE__, status); |
727 | dev->lv1_status = status; | |
728 | complete(&dev->done); | |
729 | } | |
730 | spin_unlock(&dev->lock); | |
731 | return IRQ_HANDLED; | |
732 | } | |
733 | ||
734 | static int ps3_notification_read_write(struct ps3_notification_device *dev, | |
735 | u64 lpar, int write) | |
736 | { | |
737 | const char *op = write ? "write" : "read"; | |
738 | unsigned long flags; | |
739 | int res; | |
740 | ||
741 | init_completion(&dev->done); | |
742 | spin_lock_irqsave(&dev->lock, flags); | |
743 | res = write ? lv1_storage_write(dev->sbd.dev_id, 0, 0, 1, 0, lpar, | |
744 | &dev->tag) | |
745 | : lv1_storage_read(dev->sbd.dev_id, 0, 0, 1, 0, lpar, | |
746 | &dev->tag); | |
747 | spin_unlock_irqrestore(&dev->lock, flags); | |
748 | if (res) { | |
749 | pr_err("%s:%u: %s failed %d\n", __func__, __LINE__, op, res); | |
750 | return -EPERM; | |
751 | } | |
752 | pr_debug("%s:%u: notification %s issued\n", __func__, __LINE__, op); | |
753 | ||
754 | res = wait_event_interruptible(dev->done.wait, | |
755 | dev->done.done || kthread_should_stop()); | |
756 | if (kthread_should_stop()) | |
757 | res = -EINTR; | |
758 | if (res) { | |
759 | pr_debug("%s:%u: interrupted %s\n", __func__, __LINE__, op); | |
760 | return res; | |
761 | } | |
762 | ||
763 | if (dev->lv1_status) { | |
5c949070 | 764 | pr_err("%s:%u: %s not completed, status 0x%llx\n", __func__, |
b4cb2941 GU |
765 | __LINE__, op, dev->lv1_status); |
766 | return -EIO; | |
767 | } | |
768 | pr_debug("%s:%u: notification %s completed\n", __func__, __LINE__, op); | |
769 | ||
770 | return 0; | |
771 | } | |
772 | ||
773 | static struct task_struct *probe_task; | |
774 | ||
ffbdd246 GL |
775 | /** |
776 | * ps3_probe_thread - Background repository probing at system startup. | |
777 | * | |
778 | * This implementation only supports background probing on a single bus. | |
b4cb2941 GU |
779 | * It uses the hypervisor's storage device notification mechanism to wait until |
780 | * a storage device is ready. The device notification mechanism uses a | |
781 | * pseudo device to asynchronously notify the guest when storage devices become | |
782 | * ready. The notification device has a block size of 512 bytes. | |
ffbdd246 GL |
783 | */ |
784 | ||
785 | static int ps3_probe_thread(void *data) | |
786 | { | |
b4cb2941 | 787 | struct ps3_notification_device dev; |
b4cb2941 GU |
788 | int res; |
789 | unsigned int irq; | |
790 | u64 lpar; | |
791 | void *buf; | |
792 | struct ps3_notify_cmd *notify_cmd; | |
793 | struct ps3_notify_event *notify_event; | |
ffbdd246 GL |
794 | |
795 | pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__); | |
796 | ||
b4cb2941 GU |
797 | buf = kzalloc(512, GFP_KERNEL); |
798 | if (!buf) | |
799 | return -ENOMEM; | |
800 | ||
801 | lpar = ps3_mm_phys_to_lpar(__pa(buf)); | |
802 | notify_cmd = buf; | |
803 | notify_event = buf; | |
804 | ||
805 | /* dummy system bus device */ | |
806 | dev.sbd.bus_id = (u64)data; | |
807 | dev.sbd.dev_id = PS3_NOTIFICATION_DEV_ID; | |
808 | dev.sbd.interrupt_id = PS3_NOTIFICATION_INTERRUPT_ID; | |
809 | ||
810 | res = lv1_open_device(dev.sbd.bus_id, dev.sbd.dev_id, 0); | |
811 | if (res) { | |
812 | pr_err("%s:%u: lv1_open_device failed %s\n", __func__, | |
813 | __LINE__, ps3_result(res)); | |
814 | goto fail_free; | |
815 | } | |
816 | ||
817 | res = ps3_sb_event_receive_port_setup(&dev.sbd, PS3_BINDING_CPU_ANY, | |
818 | &irq); | |
819 | if (res) { | |
820 | pr_err("%s:%u: ps3_sb_event_receive_port_setup failed %d\n", | |
821 | __func__, __LINE__, res); | |
822 | goto fail_close_device; | |
823 | } | |
824 | ||
825 | spin_lock_init(&dev.lock); | |
826 | ||
827 | res = request_irq(irq, ps3_notification_interrupt, IRQF_DISABLED, | |
828 | "ps3_notification", &dev); | |
829 | if (res) { | |
830 | pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__, | |
831 | res); | |
832 | goto fail_sb_event_receive_port_destroy; | |
833 | } | |
834 | ||
835 | /* Setup and write the request for device notification. */ | |
836 | notify_cmd->operation_code = 0; /* must be zero */ | |
837 | notify_cmd->event_mask = 1UL << notify_region_probe; | |
838 | ||
839 | res = ps3_notification_read_write(&dev, lpar, 1); | |
840 | if (res) | |
841 | goto fail_free_irq; | |
842 | ||
843 | /* Loop here processing the requested notification events. */ | |
ffbdd246 GL |
844 | do { |
845 | try_to_freeze(); | |
846 | ||
b4cb2941 GU |
847 | memset(notify_event, 0, sizeof(*notify_event)); |
848 | ||
849 | res = ps3_notification_read_write(&dev, lpar, 0); | |
850 | if (res) | |
ffbdd246 GL |
851 | break; |
852 | ||
5c949070 SR |
853 | pr_debug("%s:%u: notify event type 0x%llx bus id %llu dev id %llu" |
854 | " type %llu port %llu\n", __func__, __LINE__, | |
b4cb2941 GU |
855 | notify_event->event_type, notify_event->bus_id, |
856 | notify_event->dev_id, notify_event->dev_type, | |
857 | notify_event->dev_port); | |
858 | ||
859 | if (notify_event->event_type != notify_region_probe || | |
860 | notify_event->bus_id != dev.sbd.bus_id) { | |
5c949070 SR |
861 | pr_warning("%s:%u: bad notify_event: event %llu, " |
862 | "dev_id %llu, dev_type %llu\n", | |
b4cb2941 GU |
863 | __func__, __LINE__, notify_event->event_type, |
864 | notify_event->dev_id, | |
865 | notify_event->dev_type); | |
866 | continue; | |
867 | } | |
ffbdd246 | 868 | |
972b1f04 | 869 | ps3_find_and_add_device(dev.sbd.bus_id, notify_event->dev_id); |
ffbdd246 GL |
870 | |
871 | } while (!kthread_should_stop()); | |
872 | ||
b4cb2941 GU |
873 | fail_free_irq: |
874 | free_irq(irq, &dev); | |
875 | fail_sb_event_receive_port_destroy: | |
876 | ps3_sb_event_receive_port_destroy(&dev.sbd, irq); | |
877 | fail_close_device: | |
878 | lv1_close_device(dev.sbd.bus_id, dev.sbd.dev_id); | |
879 | fail_free: | |
880 | kfree(buf); | |
881 | ||
882 | probe_task = NULL; | |
883 | ||
ffbdd246 GL |
884 | pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__); |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
b4cb2941 GU |
889 | /** |
890 | * ps3_stop_probe_thread - Stops the background probe thread. | |
891 | * | |
892 | */ | |
893 | ||
894 | static int ps3_stop_probe_thread(struct notifier_block *nb, unsigned long code, | |
895 | void *data) | |
896 | { | |
897 | if (probe_task) | |
898 | kthread_stop(probe_task); | |
899 | return 0; | |
900 | } | |
901 | ||
902 | static struct notifier_block nb = { | |
903 | .notifier_call = ps3_stop_probe_thread | |
904 | }; | |
905 | ||
ffbdd246 GL |
906 | /** |
907 | * ps3_start_probe_thread - Starts the background probe thread. | |
908 | * | |
909 | */ | |
910 | ||
911 | static int __init ps3_start_probe_thread(enum ps3_bus_type bus_type) | |
912 | { | |
913 | int result; | |
914 | struct task_struct *task; | |
b4cb2941 | 915 | struct ps3_repository_device repo; |
ffbdd246 GL |
916 | |
917 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
918 | ||
919 | memset(&repo, 0, sizeof(repo)); | |
920 | ||
921 | repo.bus_type = bus_type; | |
922 | ||
923 | result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); | |
924 | ||
925 | if (result) { | |
926 | printk(KERN_ERR "%s: Cannot find bus (%d)\n", __func__, result); | |
927 | return -ENODEV; | |
928 | } | |
929 | ||
930 | result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); | |
931 | ||
932 | if (result) { | |
933 | printk(KERN_ERR "%s: read_bus_id failed %d\n", __func__, | |
934 | result); | |
935 | return -ENODEV; | |
936 | } | |
937 | ||
b4cb2941 GU |
938 | task = kthread_run(ps3_probe_thread, (void *)repo.bus_id, |
939 | "ps3-probe-%u", bus_type); | |
ffbdd246 GL |
940 | |
941 | if (IS_ERR(task)) { | |
942 | result = PTR_ERR(task); | |
943 | printk(KERN_ERR "%s: kthread_run failed %d\n", __func__, | |
944 | result); | |
945 | return result; | |
946 | } | |
947 | ||
b4cb2941 GU |
948 | probe_task = task; |
949 | register_reboot_notifier(&nb); | |
950 | ||
ffbdd246 GL |
951 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
952 | return 0; | |
953 | } | |
954 | ||
955 | /** | |
956 | * ps3_register_devices - Probe the system and register devices found. | |
957 | * | |
958 | * A device_initcall() routine. | |
959 | */ | |
960 | ||
961 | static int __init ps3_register_devices(void) | |
962 | { | |
963 | int result; | |
964 | ||
965 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) | |
966 | return -ENODEV; | |
967 | ||
968 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
969 | ||
970 | /* ps3_repository_dump_bus_info(); */ | |
971 | ||
972 | result = ps3_start_probe_thread(PS3_BUS_TYPE_STORAGE); | |
973 | ||
974 | ps3_register_vuart_devices(); | |
975 | ||
976 | ps3_register_graphics_devices(); | |
977 | ||
b163a256 | 978 | ps3_repository_find_devices(PS3_BUS_TYPE_SB, ps3_setup_static_device); |
ffbdd246 GL |
979 | |
980 | ps3_register_sound_devices(); | |
981 | ||
ed757002 GL |
982 | ps3_register_lpm_devices(); |
983 | ||
cffb4add JP |
984 | ps3_register_ramdisk_device(); |
985 | ||
ffbdd246 GL |
986 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
987 | return 0; | |
988 | } | |
989 | ||
990 | device_initcall(ps3_register_devices); |