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> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
b4cb2941 | 27 | #include <linux/reboot.h> |
ffbdd246 GL |
28 | |
29 | #include <asm/firmware.h> | |
30 | #include <asm/lv1call.h> | |
a5c631b1 | 31 | #include <asm/ps3stor.h> |
ffbdd246 GL |
32 | |
33 | #include "platform.h" | |
34 | ||
ed757002 GL |
35 | static int __init ps3_register_lpm_devices(void) |
36 | { | |
37 | int result; | |
38 | u64 tmp1; | |
39 | u64 tmp2; | |
40 | struct ps3_system_bus_device *dev; | |
41 | ||
42 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
43 | ||
44 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
45 | if (!dev) | |
46 | return -ENOMEM; | |
47 | ||
48 | dev->match_id = PS3_MATCH_ID_LPM; | |
49 | dev->dev_type = PS3_DEVICE_TYPE_LPM; | |
50 | ||
51 | /* The current lpm driver only supports a single BE processor. */ | |
52 | ||
53 | result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); | |
54 | ||
55 | if (result) { | |
56 | pr_debug("%s:%d: ps3_repository_read_be_node_id failed \n", | |
57 | __func__, __LINE__); | |
58 | goto fail_read_repo; | |
59 | } | |
60 | ||
61 | result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, | |
62 | &dev->lpm.rights); | |
63 | ||
64 | if (result) { | |
65 | pr_debug("%s:%d: ps3_repository_read_lpm_privleges failed \n", | |
66 | __func__, __LINE__); | |
67 | goto fail_read_repo; | |
68 | } | |
69 | ||
70 | lv1_get_logical_partition_id(&tmp2); | |
71 | ||
72 | if (tmp1 != tmp2) { | |
73 | pr_debug("%s:%d: wrong lpar\n", | |
74 | __func__, __LINE__); | |
75 | result = -ENODEV; | |
76 | goto fail_rights; | |
77 | } | |
78 | ||
79 | if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { | |
80 | pr_debug("%s:%d: don't have rights to use lpm\n", | |
81 | __func__, __LINE__); | |
82 | result = -EPERM; | |
83 | goto fail_rights; | |
84 | } | |
85 | ||
5c949070 | 86 | pr_debug("%s:%d: pu_id %llu, rights %llu(%llxh)\n", |
ed757002 GL |
87 | __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, |
88 | dev->lpm.rights); | |
89 | ||
90 | result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); | |
91 | ||
92 | if (result) { | |
93 | pr_debug("%s:%d: ps3_repository_read_pu_id failed \n", | |
94 | __func__, __LINE__); | |
95 | goto fail_read_repo; | |
96 | } | |
97 | ||
98 | result = ps3_system_bus_device_register(dev); | |
99 | ||
100 | if (result) { | |
101 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
102 | __func__, __LINE__); | |
103 | goto fail_register; | |
104 | } | |
105 | ||
106 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
107 | return 0; | |
108 | ||
109 | ||
110 | fail_register: | |
111 | fail_rights: | |
112 | fail_read_repo: | |
113 | kfree(dev); | |
114 | pr_debug(" <- %s:%d: failed\n", __func__, __LINE__); | |
115 | return result; | |
116 | } | |
117 | ||
ffbdd246 GL |
118 | /** |
119 | * ps3_setup_gelic_device - Setup and register a gelic device instance. | |
120 | * | |
121 | * Allocates memory for a struct ps3_system_bus_device instance, initialises the | |
122 | * structure members, and registers the device instance with the system bus. | |
123 | */ | |
124 | ||
125 | static int __init ps3_setup_gelic_device( | |
126 | const struct ps3_repository_device *repo) | |
127 | { | |
128 | int result; | |
129 | struct layout { | |
130 | struct ps3_system_bus_device dev; | |
131 | struct ps3_dma_region d_region; | |
132 | } *p; | |
133 | ||
134 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
135 | ||
136 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); | |
137 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_GELIC); | |
138 | ||
139 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
140 | ||
141 | if (!p) { | |
142 | result = -ENOMEM; | |
143 | goto fail_malloc; | |
144 | } | |
145 | ||
146 | p->dev.match_id = PS3_MATCH_ID_GELIC; | |
147 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; | |
148 | p->dev.bus_id = repo->bus_id; | |
149 | p->dev.dev_id = repo->dev_id; | |
150 | p->dev.d_region = &p->d_region; | |
151 | ||
152 | result = ps3_repository_find_interrupt(repo, | |
153 | PS3_INTERRUPT_TYPE_EVENT_PORT, &p->dev.interrupt_id); | |
154 | ||
155 | if (result) { | |
156 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", | |
157 | __func__, __LINE__); | |
158 | goto fail_find_interrupt; | |
159 | } | |
160 | ||
161 | BUG_ON(p->dev.interrupt_id != 0); | |
162 | ||
163 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, | |
164 | PS3_DMA_OTHER, NULL, 0); | |
165 | ||
166 | if (result) { | |
167 | pr_debug("%s:%d ps3_dma_region_init failed\n", | |
168 | __func__, __LINE__); | |
169 | goto fail_dma_init; | |
170 | } | |
171 | ||
172 | result = ps3_system_bus_device_register(&p->dev); | |
173 | ||
174 | if (result) { | |
175 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
176 | __func__, __LINE__); | |
177 | goto fail_device_register; | |
178 | } | |
179 | ||
180 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
181 | return result; | |
182 | ||
183 | fail_device_register: | |
184 | fail_dma_init: | |
185 | fail_find_interrupt: | |
186 | kfree(p); | |
187 | fail_malloc: | |
188 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); | |
189 | return result; | |
190 | } | |
191 | ||
192 | static int __init_refok ps3_setup_uhc_device( | |
193 | const struct ps3_repository_device *repo, enum ps3_match_id match_id, | |
194 | enum ps3_interrupt_type interrupt_type, enum ps3_reg_type reg_type) | |
195 | { | |
196 | int result; | |
197 | struct layout { | |
198 | struct ps3_system_bus_device dev; | |
199 | struct ps3_dma_region d_region; | |
200 | struct ps3_mmio_region m_region; | |
201 | } *p; | |
202 | u64 bus_addr; | |
203 | u64 len; | |
204 | ||
205 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
206 | ||
207 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); | |
208 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_USB); | |
209 | ||
210 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
211 | ||
212 | if (!p) { | |
213 | result = -ENOMEM; | |
214 | goto fail_malloc; | |
215 | } | |
216 | ||
217 | p->dev.match_id = match_id; | |
218 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; | |
219 | p->dev.bus_id = repo->bus_id; | |
220 | p->dev.dev_id = repo->dev_id; | |
221 | p->dev.d_region = &p->d_region; | |
222 | p->dev.m_region = &p->m_region; | |
223 | ||
224 | result = ps3_repository_find_interrupt(repo, | |
225 | interrupt_type, &p->dev.interrupt_id); | |
226 | ||
227 | if (result) { | |
228 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", | |
229 | __func__, __LINE__); | |
230 | goto fail_find_interrupt; | |
231 | } | |
232 | ||
233 | result = ps3_repository_find_reg(repo, reg_type, | |
234 | &bus_addr, &len); | |
235 | ||
236 | if (result) { | |
237 | pr_debug("%s:%d ps3_repository_find_reg failed\n", | |
238 | __func__, __LINE__); | |
239 | goto fail_find_reg; | |
240 | } | |
241 | ||
242 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, | |
243 | PS3_DMA_INTERNAL, NULL, 0); | |
244 | ||
245 | if (result) { | |
246 | pr_debug("%s:%d ps3_dma_region_init failed\n", | |
247 | __func__, __LINE__); | |
248 | goto fail_dma_init; | |
249 | } | |
250 | ||
251 | result = ps3_mmio_region_init(&p->dev, p->dev.m_region, bus_addr, len, | |
252 | PS3_MMIO_4K); | |
253 | ||
254 | if (result) { | |
255 | pr_debug("%s:%d ps3_mmio_region_init failed\n", | |
256 | __func__, __LINE__); | |
257 | goto fail_mmio_init; | |
258 | } | |
259 | ||
260 | result = ps3_system_bus_device_register(&p->dev); | |
261 | ||
262 | if (result) { | |
263 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
264 | __func__, __LINE__); | |
265 | goto fail_device_register; | |
266 | } | |
267 | ||
268 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
269 | return result; | |
270 | ||
271 | fail_device_register: | |
272 | fail_mmio_init: | |
273 | fail_dma_init: | |
274 | fail_find_reg: | |
275 | fail_find_interrupt: | |
276 | kfree(p); | |
277 | fail_malloc: | |
278 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); | |
279 | return result; | |
280 | } | |
281 | ||
282 | static int __init ps3_setup_ehci_device( | |
283 | const struct ps3_repository_device *repo) | |
284 | { | |
285 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_EHCI, | |
286 | PS3_INTERRUPT_TYPE_SB_EHCI, PS3_REG_TYPE_SB_EHCI); | |
287 | } | |
288 | ||
289 | static int __init ps3_setup_ohci_device( | |
290 | const struct ps3_repository_device *repo) | |
291 | { | |
292 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_OHCI, | |
293 | PS3_INTERRUPT_TYPE_SB_OHCI, PS3_REG_TYPE_SB_OHCI); | |
294 | } | |
295 | ||
296 | static int __init ps3_setup_vuart_device(enum ps3_match_id match_id, | |
297 | unsigned int port_number) | |
298 | { | |
299 | int result; | |
300 | struct layout { | |
301 | struct ps3_system_bus_device dev; | |
302 | } *p; | |
303 | ||
304 | pr_debug(" -> %s:%d: match_id %u, port %u\n", __func__, __LINE__, | |
305 | match_id, port_number); | |
306 | ||
307 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
308 | ||
309 | if (!p) | |
310 | return -ENOMEM; | |
311 | ||
312 | p->dev.match_id = match_id; | |
313 | p->dev.dev_type = PS3_DEVICE_TYPE_VUART; | |
314 | p->dev.port_number = port_number; | |
315 | ||
316 | result = ps3_system_bus_device_register(&p->dev); | |
317 | ||
d4ad3048 | 318 | if (result) { |
ffbdd246 GL |
319 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
320 | __func__, __LINE__); | |
d4ad3048 MM |
321 | goto fail_device_register; |
322 | } | |
ffbdd246 | 323 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
d4ad3048 MM |
324 | return 0; |
325 | ||
326 | fail_device_register: | |
327 | kfree(p); | |
328 | pr_debug(" <- %s:%d fail\n", __func__, __LINE__); | |
ffbdd246 GL |
329 | return result; |
330 | } | |
331 | ||
a5c631b1 GU |
332 | static int ps3_setup_storage_dev(const struct ps3_repository_device *repo, |
333 | enum ps3_match_id match_id) | |
334 | { | |
335 | int result; | |
336 | struct ps3_storage_device *p; | |
337 | u64 port, blk_size, num_blocks; | |
338 | unsigned int num_regions, i; | |
339 | ||
340 | pr_debug(" -> %s:%u: match_id %u\n", __func__, __LINE__, match_id); | |
341 | ||
342 | result = ps3_repository_read_stor_dev_info(repo->bus_index, | |
343 | repo->dev_index, &port, | |
344 | &blk_size, &num_blocks, | |
345 | &num_regions); | |
346 | if (result) { | |
347 | printk(KERN_ERR "%s:%u: _read_stor_dev_info failed %d\n", | |
348 | __func__, __LINE__, result); | |
349 | return -ENODEV; | |
350 | } | |
351 | ||
5c949070 | 352 | pr_debug("%s:%u: (%u:%u:%u): port %llu blk_size %llu num_blocks %llu " |
a5c631b1 | 353 | "num_regions %u\n", __func__, __LINE__, repo->bus_index, |
75cdff92 GL |
354 | repo->dev_index, repo->dev_type, port, blk_size, num_blocks, |
355 | num_regions); | |
a5c631b1 GU |
356 | |
357 | p = kzalloc(sizeof(struct ps3_storage_device) + | |
358 | num_regions * sizeof(struct ps3_storage_region), | |
359 | GFP_KERNEL); | |
360 | if (!p) { | |
361 | result = -ENOMEM; | |
362 | goto fail_malloc; | |
363 | } | |
364 | ||
365 | p->sbd.match_id = match_id; | |
366 | p->sbd.dev_type = PS3_DEVICE_TYPE_SB; | |
367 | p->sbd.bus_id = repo->bus_id; | |
368 | p->sbd.dev_id = repo->dev_id; | |
369 | p->sbd.d_region = &p->dma_region; | |
370 | p->blk_size = blk_size; | |
371 | p->num_regions = num_regions; | |
372 | ||
373 | result = ps3_repository_find_interrupt(repo, | |
374 | PS3_INTERRUPT_TYPE_EVENT_PORT, | |
375 | &p->sbd.interrupt_id); | |
376 | if (result) { | |
377 | printk(KERN_ERR "%s:%u: find_interrupt failed %d\n", __func__, | |
378 | __LINE__, result); | |
379 | result = -ENODEV; | |
380 | goto fail_find_interrupt; | |
381 | } | |
382 | ||
a5c631b1 GU |
383 | for (i = 0; i < num_regions; i++) { |
384 | unsigned int id; | |
385 | u64 start, size; | |
386 | ||
387 | result = ps3_repository_read_stor_dev_region(repo->bus_index, | |
388 | repo->dev_index, | |
389 | i, &id, &start, | |
390 | &size); | |
391 | if (result) { | |
392 | printk(KERN_ERR | |
393 | "%s:%u: read_stor_dev_region failed %d\n", | |
394 | __func__, __LINE__, result); | |
395 | result = -ENODEV; | |
396 | goto fail_read_region; | |
397 | } | |
5c949070 | 398 | pr_debug("%s:%u: region %u: id %u start %llu size %llu\n", |
a5c631b1 GU |
399 | __func__, __LINE__, i, id, start, size); |
400 | ||
401 | p->regions[i].id = id; | |
402 | p->regions[i].start = start; | |
403 | p->regions[i].size = size; | |
404 | } | |
405 | ||
406 | result = ps3_system_bus_device_register(&p->sbd); | |
407 | if (result) { | |
408 | pr_debug("%s:%u ps3_system_bus_device_register failed\n", | |
409 | __func__, __LINE__); | |
410 | goto fail_device_register; | |
411 | } | |
412 | ||
413 | pr_debug(" <- %s:%u\n", __func__, __LINE__); | |
414 | return 0; | |
415 | ||
416 | fail_device_register: | |
417 | fail_read_region: | |
a5c631b1 GU |
418 | fail_find_interrupt: |
419 | kfree(p); | |
420 | fail_malloc: | |
421 | pr_debug(" <- %s:%u: fail.\n", __func__, __LINE__); | |
422 | return result; | |
423 | } | |
424 | ||
ffbdd246 GL |
425 | static int __init ps3_register_vuart_devices(void) |
426 | { | |
427 | int result; | |
428 | unsigned int port_number; | |
429 | ||
430 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
431 | ||
432 | result = ps3_repository_read_vuart_av_port(&port_number); | |
433 | if (result) | |
434 | port_number = 0; /* av default */ | |
435 | ||
436 | result = ps3_setup_vuart_device(PS3_MATCH_ID_AV_SETTINGS, port_number); | |
437 | WARN_ON(result); | |
438 | ||
439 | result = ps3_repository_read_vuart_sysmgr_port(&port_number); | |
440 | if (result) | |
441 | port_number = 2; /* sysmgr default */ | |
442 | ||
443 | result = ps3_setup_vuart_device(PS3_MATCH_ID_SYSTEM_MANAGER, | |
444 | port_number); | |
445 | WARN_ON(result); | |
446 | ||
447 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
448 | return result; | |
449 | } | |
450 | ||
451 | static int __init ps3_register_sound_devices(void) | |
452 | { | |
453 | int result; | |
454 | struct layout { | |
455 | struct ps3_system_bus_device dev; | |
456 | struct ps3_dma_region d_region; | |
457 | struct ps3_mmio_region m_region; | |
458 | } *p; | |
459 | ||
460 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
461 | ||
462 | p = kzalloc(sizeof(*p), GFP_KERNEL); | |
463 | if (!p) | |
464 | return -ENOMEM; | |
465 | ||
466 | p->dev.match_id = PS3_MATCH_ID_SOUND; | |
467 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; | |
468 | p->dev.d_region = &p->d_region; | |
469 | p->dev.m_region = &p->m_region; | |
470 | ||
471 | result = ps3_system_bus_device_register(&p->dev); | |
472 | ||
d4ad3048 | 473 | if (result) { |
ffbdd246 GL |
474 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
475 | __func__, __LINE__); | |
d4ad3048 MM |
476 | goto fail_device_register; |
477 | } | |
ffbdd246 | 478 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
d4ad3048 MM |
479 | return 0; |
480 | ||
481 | fail_device_register: | |
482 | kfree(p); | |
483 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
ffbdd246 GL |
484 | return result; |
485 | } | |
486 | ||
487 | static int __init ps3_register_graphics_devices(void) | |
488 | { | |
489 | int result; | |
490 | struct layout { | |
491 | struct ps3_system_bus_device dev; | |
492 | } *p; | |
493 | ||
494 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
495 | ||
496 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
497 | ||
498 | if (!p) | |
499 | return -ENOMEM; | |
500 | ||
46d01492 GU |
501 | p->dev.match_id = PS3_MATCH_ID_GPU; |
502 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_FB; | |
ffbdd246 GL |
503 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
504 | ||
505 | result = ps3_system_bus_device_register(&p->dev); | |
506 | ||
d4ad3048 | 507 | if (result) { |
ffbdd246 GL |
508 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
509 | __func__, __LINE__); | |
d4ad3048 MM |
510 | goto fail_device_register; |
511 | } | |
ffbdd246 GL |
512 | |
513 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
d4ad3048 MM |
514 | return 0; |
515 | ||
516 | fail_device_register: | |
517 | kfree(p); | |
518 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
ffbdd246 GL |
519 | return result; |
520 | } | |
521 | ||
cffb4add JP |
522 | static int __init ps3_register_ramdisk_device(void) |
523 | { | |
524 | int result; | |
525 | struct layout { | |
526 | struct ps3_system_bus_device dev; | |
527 | } *p; | |
528 | ||
529 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
530 | ||
531 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); | |
532 | ||
533 | if (!p) | |
534 | return -ENOMEM; | |
535 | ||
536 | p->dev.match_id = PS3_MATCH_ID_GPU; | |
537 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_RAMDISK; | |
538 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; | |
539 | ||
540 | result = ps3_system_bus_device_register(&p->dev); | |
541 | ||
542 | if (result) { | |
543 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", | |
544 | __func__, __LINE__); | |
545 | goto fail_device_register; | |
546 | } | |
547 | ||
548 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | |
549 | return 0; | |
550 | ||
551 | fail_device_register: | |
552 | kfree(p); | |
553 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); | |
554 | return result; | |
555 | } | |
556 | ||
ffbdd246 | 557 | /** |
b163a256 | 558 | * ps3_setup_dynamic_device - Setup a dynamic device from the repository |
ffbdd246 GL |
559 | */ |
560 | ||
b163a256 | 561 | static int ps3_setup_dynamic_device(const struct ps3_repository_device *repo) |
ffbdd246 GL |
562 | { |
563 | int result; | |
564 | ||
565 | switch (repo->dev_type) { | |
a5c631b1 GU |
566 | case PS3_DEV_TYPE_STOR_DISK: |
567 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); | |
568 | ||
b595076a | 569 | /* Some devices are not accessible from the Other OS lpar. */ |
a5c631b1 GU |
570 | if (result == -ENODEV) { |
571 | result = 0; | |
b595076a | 572 | pr_debug("%s:%u: not accessible\n", __func__, |
a5c631b1 GU |
573 | __LINE__); |
574 | } | |
575 | ||
576 | if (result) | |
577 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
578 | __func__, __LINE__); | |
579 | break; | |
580 | ||
581 | case PS3_DEV_TYPE_STOR_ROM: | |
582 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_ROM); | |
583 | if (result) | |
584 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
585 | __func__, __LINE__); | |
586 | break; | |
587 | ||
588 | case PS3_DEV_TYPE_STOR_FLASH: | |
589 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_FLASH); | |
590 | if (result) | |
591 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", | |
592 | __func__, __LINE__); | |
593 | break; | |
594 | ||
ffbdd246 GL |
595 | default: |
596 | result = 0; | |
597 | pr_debug("%s:%u: unsupported dev_type %u\n", __func__, __LINE__, | |
598 | repo->dev_type); | |
599 | } | |
600 | ||
601 | return result; | |
602 | } | |
603 | ||
b163a256 GU |
604 | /** |
605 | * ps3_setup_static_device - Setup a static device from the repository | |
606 | */ | |
607 | ||
608 | static int __init ps3_setup_static_device(const struct ps3_repository_device *repo) | |
609 | { | |
610 | int result; | |
611 | ||
612 | switch (repo->dev_type) { | |
613 | case PS3_DEV_TYPE_SB_GELIC: | |
614 | result = ps3_setup_gelic_device(repo); | |
615 | if (result) { | |
616 | pr_debug("%s:%d ps3_setup_gelic_device failed\n", | |
617 | __func__, __LINE__); | |
618 | } | |
619 | break; | |
620 | case PS3_DEV_TYPE_SB_USB: | |
621 | ||
622 | /* Each USB device has both an EHCI and an OHCI HC */ | |
623 | ||
624 | result = ps3_setup_ehci_device(repo); | |
625 | ||
626 | if (result) { | |
627 | pr_debug("%s:%d ps3_setup_ehci_device failed\n", | |
628 | __func__, __LINE__); | |
629 | } | |
630 | ||
631 | result = ps3_setup_ohci_device(repo); | |
632 | ||
633 | if (result) { | |
634 | pr_debug("%s:%d ps3_setup_ohci_device failed\n", | |
635 | __func__, __LINE__); | |
636 | } | |
637 | break; | |
638 | ||
639 | default: | |
640 | return ps3_setup_dynamic_device(repo); | |
641 | } | |
642 | ||
643 | return result; | |
644 | } | |
645 | ||
972b1f04 GU |
646 | static void ps3_find_and_add_device(u64 bus_id, u64 dev_id) |
647 | { | |
648 | struct ps3_repository_device repo; | |
649 | int res; | |
650 | unsigned int retries; | |
651 | unsigned long rem; | |
652 | ||
653 | /* | |
654 | * On some firmware versions (e.g. 1.90), the device may not show up | |
655 | * in the repository immediately | |
656 | */ | |
657 | for (retries = 0; retries < 10; retries++) { | |
658 | res = ps3_repository_find_device_by_id(&repo, bus_id, dev_id); | |
659 | if (!res) | |
660 | goto found; | |
661 | ||
662 | rem = msleep_interruptible(100); | |
663 | if (rem) | |
664 | break; | |
665 | } | |
5c949070 | 666 | pr_warning("%s:%u: device %llu:%llu not found\n", __func__, __LINE__, |
972b1f04 GU |
667 | bus_id, dev_id); |
668 | return; | |
669 | ||
670 | found: | |
671 | if (retries) | |
5c949070 | 672 | pr_debug("%s:%u: device %llu:%llu found after %u retries\n", |
972b1f04 GU |
673 | __func__, __LINE__, bus_id, dev_id, retries); |
674 | ||
b163a256 | 675 | ps3_setup_dynamic_device(&repo); |
972b1f04 GU |
676 | return; |
677 | } | |
b4cb2941 GU |
678 | |
679 | #define PS3_NOTIFICATION_DEV_ID ULONG_MAX | |
680 | #define PS3_NOTIFICATION_INTERRUPT_ID 0 | |
681 | ||
682 | struct ps3_notification_device { | |
683 | struct ps3_system_bus_device sbd; | |
684 | spinlock_t lock; | |
685 | u64 tag; | |
686 | u64 lv1_status; | |
687 | struct completion done; | |
688 | }; | |
689 | ||
690 | enum ps3_notify_type { | |
691 | notify_device_ready = 0, | |
692 | notify_region_probe = 1, | |
693 | notify_region_update = 2, | |
694 | }; | |
695 | ||
696 | struct ps3_notify_cmd { | |
697 | u64 operation_code; /* must be zero */ | |
698 | u64 event_mask; /* OR of 1UL << enum ps3_notify_type */ | |
699 | }; | |
700 | ||
701 | struct ps3_notify_event { | |
702 | u64 event_type; /* enum ps3_notify_type */ | |
703 | u64 bus_id; | |
704 | u64 dev_id; | |
705 | u64 dev_type; | |
706 | u64 dev_port; | |
707 | }; | |
708 | ||
709 | static irqreturn_t ps3_notification_interrupt(int irq, void *data) | |
710 | { | |
711 | struct ps3_notification_device *dev = data; | |
712 | int res; | |
713 | u64 tag, status; | |
714 | ||
715 | spin_lock(&dev->lock); | |
716 | res = lv1_storage_get_async_status(PS3_NOTIFICATION_DEV_ID, &tag, | |
717 | &status); | |
718 | if (tag != dev->tag) | |
5c949070 | 719 | pr_err("%s:%u: tag mismatch, got %llx, expected %llx\n", |
b4cb2941 GU |
720 | __func__, __LINE__, tag, dev->tag); |
721 | ||
722 | if (res) { | |
5c949070 | 723 | pr_err("%s:%u: res %d status 0x%llx\n", __func__, __LINE__, res, |
b4cb2941 GU |
724 | status); |
725 | } else { | |
5c949070 | 726 | pr_debug("%s:%u: completed, status 0x%llx\n", __func__, |
b4cb2941 GU |
727 | __LINE__, status); |
728 | dev->lv1_status = status; | |
729 | complete(&dev->done); | |
730 | } | |
731 | spin_unlock(&dev->lock); | |
732 | return IRQ_HANDLED; | |
733 | } | |
734 | ||
735 | static int ps3_notification_read_write(struct ps3_notification_device *dev, | |
736 | u64 lpar, int write) | |
737 | { | |
738 | const char *op = write ? "write" : "read"; | |
739 | unsigned long flags; | |
740 | int res; | |
741 | ||
742 | init_completion(&dev->done); | |
743 | spin_lock_irqsave(&dev->lock, flags); | |
744 | res = write ? lv1_storage_write(dev->sbd.dev_id, 0, 0, 1, 0, lpar, | |
745 | &dev->tag) | |
746 | : lv1_storage_read(dev->sbd.dev_id, 0, 0, 1, 0, lpar, | |
747 | &dev->tag); | |
748 | spin_unlock_irqrestore(&dev->lock, flags); | |
749 | if (res) { | |
750 | pr_err("%s:%u: %s failed %d\n", __func__, __LINE__, op, res); | |
751 | return -EPERM; | |
752 | } | |
753 | pr_debug("%s:%u: notification %s issued\n", __func__, __LINE__, op); | |
754 | ||
755 | res = wait_event_interruptible(dev->done.wait, | |
756 | dev->done.done || kthread_should_stop()); | |
757 | if (kthread_should_stop()) | |
758 | res = -EINTR; | |
759 | if (res) { | |
760 | pr_debug("%s:%u: interrupted %s\n", __func__, __LINE__, op); | |
761 | return res; | |
762 | } | |
763 | ||
764 | if (dev->lv1_status) { | |
5c949070 | 765 | pr_err("%s:%u: %s not completed, status 0x%llx\n", __func__, |
b4cb2941 GU |
766 | __LINE__, op, dev->lv1_status); |
767 | return -EIO; | |
768 | } | |
769 | pr_debug("%s:%u: notification %s completed\n", __func__, __LINE__, op); | |
770 | ||
771 | return 0; | |
772 | } | |
773 | ||
774 | static struct task_struct *probe_task; | |
775 | ||
ffbdd246 GL |
776 | /** |
777 | * ps3_probe_thread - Background repository probing at system startup. | |
778 | * | |
779 | * This implementation only supports background probing on a single bus. | |
b4cb2941 GU |
780 | * It uses the hypervisor's storage device notification mechanism to wait until |
781 | * a storage device is ready. The device notification mechanism uses a | |
782 | * pseudo device to asynchronously notify the guest when storage devices become | |
783 | * ready. The notification device has a block size of 512 bytes. | |
ffbdd246 GL |
784 | */ |
785 | ||
786 | static int ps3_probe_thread(void *data) | |
787 | { | |
b4cb2941 | 788 | struct ps3_notification_device dev; |
b4cb2941 GU |
789 | int res; |
790 | unsigned int irq; | |
791 | u64 lpar; | |
792 | void *buf; | |
793 | struct ps3_notify_cmd *notify_cmd; | |
794 | struct ps3_notify_event *notify_event; | |
ffbdd246 GL |
795 | |
796 | pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__); | |
797 | ||
b4cb2941 GU |
798 | buf = kzalloc(512, GFP_KERNEL); |
799 | if (!buf) | |
800 | return -ENOMEM; | |
801 | ||
802 | lpar = ps3_mm_phys_to_lpar(__pa(buf)); | |
803 | notify_cmd = buf; | |
804 | notify_event = buf; | |
805 | ||
806 | /* dummy system bus device */ | |
807 | dev.sbd.bus_id = (u64)data; | |
808 | dev.sbd.dev_id = PS3_NOTIFICATION_DEV_ID; | |
809 | dev.sbd.interrupt_id = PS3_NOTIFICATION_INTERRUPT_ID; | |
810 | ||
811 | res = lv1_open_device(dev.sbd.bus_id, dev.sbd.dev_id, 0); | |
812 | if (res) { | |
813 | pr_err("%s:%u: lv1_open_device failed %s\n", __func__, | |
814 | __LINE__, ps3_result(res)); | |
815 | goto fail_free; | |
816 | } | |
817 | ||
818 | res = ps3_sb_event_receive_port_setup(&dev.sbd, PS3_BINDING_CPU_ANY, | |
819 | &irq); | |
820 | if (res) { | |
821 | pr_err("%s:%u: ps3_sb_event_receive_port_setup failed %d\n", | |
822 | __func__, __LINE__, res); | |
823 | goto fail_close_device; | |
824 | } | |
825 | ||
826 | spin_lock_init(&dev.lock); | |
827 | ||
a3a9f3b4 | 828 | res = request_irq(irq, ps3_notification_interrupt, 0, |
b4cb2941 GU |
829 | "ps3_notification", &dev); |
830 | if (res) { | |
831 | pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__, | |
832 | res); | |
833 | goto fail_sb_event_receive_port_destroy; | |
834 | } | |
835 | ||
836 | /* Setup and write the request for device notification. */ | |
837 | notify_cmd->operation_code = 0; /* must be zero */ | |
838 | notify_cmd->event_mask = 1UL << notify_region_probe; | |
839 | ||
840 | res = ps3_notification_read_write(&dev, lpar, 1); | |
841 | if (res) | |
842 | goto fail_free_irq; | |
843 | ||
844 | /* Loop here processing the requested notification events. */ | |
ffbdd246 GL |
845 | do { |
846 | try_to_freeze(); | |
847 | ||
b4cb2941 GU |
848 | memset(notify_event, 0, sizeof(*notify_event)); |
849 | ||
850 | res = ps3_notification_read_write(&dev, lpar, 0); | |
851 | if (res) | |
ffbdd246 GL |
852 | break; |
853 | ||
5c949070 SR |
854 | pr_debug("%s:%u: notify event type 0x%llx bus id %llu dev id %llu" |
855 | " type %llu port %llu\n", __func__, __LINE__, | |
b4cb2941 GU |
856 | notify_event->event_type, notify_event->bus_id, |
857 | notify_event->dev_id, notify_event->dev_type, | |
858 | notify_event->dev_port); | |
859 | ||
860 | if (notify_event->event_type != notify_region_probe || | |
861 | notify_event->bus_id != dev.sbd.bus_id) { | |
5c949070 SR |
862 | pr_warning("%s:%u: bad notify_event: event %llu, " |
863 | "dev_id %llu, dev_type %llu\n", | |
b4cb2941 GU |
864 | __func__, __LINE__, notify_event->event_type, |
865 | notify_event->dev_id, | |
866 | notify_event->dev_type); | |
867 | continue; | |
868 | } | |
ffbdd246 | 869 | |
972b1f04 | 870 | ps3_find_and_add_device(dev.sbd.bus_id, notify_event->dev_id); |
ffbdd246 GL |
871 | |
872 | } while (!kthread_should_stop()); | |
873 | ||
b4cb2941 GU |
874 | fail_free_irq: |
875 | free_irq(irq, &dev); | |
876 | fail_sb_event_receive_port_destroy: | |
877 | ps3_sb_event_receive_port_destroy(&dev.sbd, irq); | |
878 | fail_close_device: | |
879 | lv1_close_device(dev.sbd.bus_id, dev.sbd.dev_id); | |
880 | fail_free: | |
881 | kfree(buf); | |
882 | ||
883 | probe_task = NULL; | |
884 | ||
ffbdd246 GL |
885 | pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__); |
886 | ||
887 | return 0; | |
888 | } | |
889 | ||
b4cb2941 GU |
890 | /** |
891 | * ps3_stop_probe_thread - Stops the background probe thread. | |
892 | * | |
893 | */ | |
894 | ||
895 | static int ps3_stop_probe_thread(struct notifier_block *nb, unsigned long code, | |
896 | void *data) | |
897 | { | |
898 | if (probe_task) | |
899 | kthread_stop(probe_task); | |
900 | return 0; | |
901 | } | |
902 | ||
903 | static struct notifier_block nb = { | |
904 | .notifier_call = ps3_stop_probe_thread | |
905 | }; | |
906 | ||
ffbdd246 GL |
907 | /** |
908 | * ps3_start_probe_thread - Starts the background probe thread. | |
909 | * | |
910 | */ | |
911 | ||
912 | static int __init ps3_start_probe_thread(enum ps3_bus_type bus_type) | |
913 | { | |
914 | int result; | |
915 | struct task_struct *task; | |
b4cb2941 | 916 | struct ps3_repository_device repo; |
ffbdd246 GL |
917 | |
918 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
919 | ||
920 | memset(&repo, 0, sizeof(repo)); | |
921 | ||
922 | repo.bus_type = bus_type; | |
923 | ||
924 | result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); | |
925 | ||
926 | if (result) { | |
927 | printk(KERN_ERR "%s: Cannot find bus (%d)\n", __func__, result); | |
928 | return -ENODEV; | |
929 | } | |
930 | ||
931 | result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); | |
932 | ||
933 | if (result) { | |
934 | printk(KERN_ERR "%s: read_bus_id failed %d\n", __func__, | |
935 | result); | |
936 | return -ENODEV; | |
937 | } | |
938 | ||
b4cb2941 GU |
939 | task = kthread_run(ps3_probe_thread, (void *)repo.bus_id, |
940 | "ps3-probe-%u", bus_type); | |
ffbdd246 GL |
941 | |
942 | if (IS_ERR(task)) { | |
943 | result = PTR_ERR(task); | |
944 | printk(KERN_ERR "%s: kthread_run failed %d\n", __func__, | |
945 | result); | |
946 | return result; | |
947 | } | |
948 | ||
b4cb2941 GU |
949 | probe_task = task; |
950 | register_reboot_notifier(&nb); | |
951 | ||
ffbdd246 GL |
952 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
953 | return 0; | |
954 | } | |
955 | ||
956 | /** | |
957 | * ps3_register_devices - Probe the system and register devices found. | |
958 | * | |
959 | * A device_initcall() routine. | |
960 | */ | |
961 | ||
962 | static int __init ps3_register_devices(void) | |
963 | { | |
964 | int result; | |
965 | ||
966 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) | |
967 | return -ENODEV; | |
968 | ||
969 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | |
970 | ||
971 | /* ps3_repository_dump_bus_info(); */ | |
972 | ||
973 | result = ps3_start_probe_thread(PS3_BUS_TYPE_STORAGE); | |
974 | ||
975 | ps3_register_vuart_devices(); | |
976 | ||
977 | ps3_register_graphics_devices(); | |
978 | ||
b163a256 | 979 | ps3_repository_find_devices(PS3_BUS_TYPE_SB, ps3_setup_static_device); |
ffbdd246 GL |
980 | |
981 | ps3_register_sound_devices(); | |
982 | ||
ed757002 GL |
983 | ps3_register_lpm_devices(); |
984 | ||
cffb4add JP |
985 | ps3_register_ramdisk_device(); |
986 | ||
ffbdd246 GL |
987 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
988 | return 0; | |
989 | } | |
990 | ||
991 | device_initcall(ps3_register_devices); |