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21#include <linux/kernel.h>
22#include <linux/init.h>
23#include <linux/module.h>
24#include <linux/dma-mapping.h>
25#include <linux/err.h>
26
27#include <asm/udbg.h>
28#include <asm/lv1call.h>
29#include <asm/firmware.h>
30#include <asm/cell-regs.h>
31
32#include "platform.h"
33
34static struct device ps3_system_bus = {
35 .init_name = "ps3_system",
36};
37
38
39struct {
40 struct mutex mutex;
41 int sb_11;
42 int sb_12;
43 int gpu;
44} static usage_hack;
45
46static int ps3_is_device(struct ps3_system_bus_device *dev, u64 bus_id,
47 u64 dev_id)
48{
49 return dev->bus_id == bus_id && dev->dev_id == dev_id;
50}
51
52static int ps3_open_hv_device_sb(struct ps3_system_bus_device *dev)
53{
54 int result;
55
56 BUG_ON(!dev->bus_id);
57 mutex_lock(&usage_hack.mutex);
58
59 if (ps3_is_device(dev, 1, 1)) {
60 usage_hack.sb_11++;
61 if (usage_hack.sb_11 > 1) {
62 result = 0;
63 goto done;
64 }
65 }
66
67 if (ps3_is_device(dev, 1, 2)) {
68 usage_hack.sb_12++;
69 if (usage_hack.sb_12 > 1) {
70 result = 0;
71 goto done;
72 }
73 }
74
75 result = lv1_open_device(dev->bus_id, dev->dev_id, 0);
76
77 if (result) {
78 pr_debug("%s:%d: lv1_open_device failed: %s\n", __func__,
79 __LINE__, ps3_result(result));
80 result = -EPERM;
81 }
82
83done:
84 mutex_unlock(&usage_hack.mutex);
85 return result;
86}
87
88static int ps3_close_hv_device_sb(struct ps3_system_bus_device *dev)
89{
90 int result;
91
92 BUG_ON(!dev->bus_id);
93 mutex_lock(&usage_hack.mutex);
94
95 if (ps3_is_device(dev, 1, 1)) {
96 usage_hack.sb_11--;
97 if (usage_hack.sb_11) {
98 result = 0;
99 goto done;
100 }
101 }
102
103 if (ps3_is_device(dev, 1, 2)) {
104 usage_hack.sb_12--;
105 if (usage_hack.sb_12) {
106 result = 0;
107 goto done;
108 }
109 }
110
111 result = lv1_close_device(dev->bus_id, dev->dev_id);
112 BUG_ON(result);
113
114done:
115 mutex_unlock(&usage_hack.mutex);
116 return result;
117}
118
119static int ps3_open_hv_device_gpu(struct ps3_system_bus_device *dev)
120{
121 int result;
122
123 mutex_lock(&usage_hack.mutex);
124
125 usage_hack.gpu++;
126 if (usage_hack.gpu > 1) {
127 result = 0;
128 goto done;
129 }
130
131 result = lv1_gpu_open(0);
132
133 if (result) {
134 pr_debug("%s:%d: lv1_gpu_open failed: %s\n", __func__,
135 __LINE__, ps3_result(result));
136 result = -EPERM;
137 }
138
139done:
140 mutex_unlock(&usage_hack.mutex);
141 return result;
142}
143
144static int ps3_close_hv_device_gpu(struct ps3_system_bus_device *dev)
145{
146 int result;
147
148 mutex_lock(&usage_hack.mutex);
149
150 usage_hack.gpu--;
151 if (usage_hack.gpu) {
152 result = 0;
153 goto done;
154 }
155
156 result = lv1_gpu_close();
157 BUG_ON(result);
158
159done:
160 mutex_unlock(&usage_hack.mutex);
161 return result;
162}
163
164int ps3_open_hv_device(struct ps3_system_bus_device *dev)
165{
166 BUG_ON(!dev);
167 pr_debug("%s:%d: match_id: %u\n", __func__, __LINE__, dev->match_id);
168
169 switch (dev->match_id) {
170 case PS3_MATCH_ID_EHCI:
171 case PS3_MATCH_ID_OHCI:
172 case PS3_MATCH_ID_GELIC:
173 case PS3_MATCH_ID_STOR_DISK:
174 case PS3_MATCH_ID_STOR_ROM:
175 case PS3_MATCH_ID_STOR_FLASH:
176 return ps3_open_hv_device_sb(dev);
177
178 case PS3_MATCH_ID_SOUND:
179 case PS3_MATCH_ID_GPU:
180 return ps3_open_hv_device_gpu(dev);
181
182 case PS3_MATCH_ID_AV_SETTINGS:
183 case PS3_MATCH_ID_SYSTEM_MANAGER:
184 pr_debug("%s:%d: unsupported match_id: %u\n", __func__,
185 __LINE__, dev->match_id);
186 pr_debug("%s:%d: bus_id: %llu\n", __func__, __LINE__,
187 dev->bus_id);
188 BUG();
189 return -EINVAL;
190
191 default:
192 break;
193 }
194
195 pr_debug("%s:%d: unknown match_id: %u\n", __func__, __LINE__,
196 dev->match_id);
197 BUG();
198 return -ENODEV;
199}
200EXPORT_SYMBOL_GPL(ps3_open_hv_device);
201
202int ps3_close_hv_device(struct ps3_system_bus_device *dev)
203{
204 BUG_ON(!dev);
205 pr_debug("%s:%d: match_id: %u\n", __func__, __LINE__, dev->match_id);
206
207 switch (dev->match_id) {
208 case PS3_MATCH_ID_EHCI:
209 case PS3_MATCH_ID_OHCI:
210 case PS3_MATCH_ID_GELIC:
211 case PS3_MATCH_ID_STOR_DISK:
212 case PS3_MATCH_ID_STOR_ROM:
213 case PS3_MATCH_ID_STOR_FLASH:
214 return ps3_close_hv_device_sb(dev);
215
216 case PS3_MATCH_ID_SOUND:
217 case PS3_MATCH_ID_GPU:
218 return ps3_close_hv_device_gpu(dev);
219
220 case PS3_MATCH_ID_AV_SETTINGS:
221 case PS3_MATCH_ID_SYSTEM_MANAGER:
222 pr_debug("%s:%d: unsupported match_id: %u\n", __func__,
223 __LINE__, dev->match_id);
224 pr_debug("%s:%d: bus_id: %llu\n", __func__, __LINE__,
225 dev->bus_id);
226 BUG();
227 return -EINVAL;
228
229 default:
230 break;
231 }
232
233 pr_debug("%s:%d: unknown match_id: %u\n", __func__, __LINE__,
234 dev->match_id);
235 BUG();
236 return -ENODEV;
237}
238EXPORT_SYMBOL_GPL(ps3_close_hv_device);
239
240#define dump_mmio_region(_a) _dump_mmio_region(_a, __func__, __LINE__)
241static void _dump_mmio_region(const struct ps3_mmio_region* r,
242 const char* func, int line)
243{
244 pr_debug("%s:%d: dev %llu:%llu\n", func, line, r->dev->bus_id,
245 r->dev->dev_id);
246 pr_debug("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr);
247 pr_debug("%s:%d: len %lxh\n", func, line, r->len);
248 pr_debug("%s:%d: lpar_addr %lxh\n", func, line, r->lpar_addr);
249}
250
251static int ps3_sb_mmio_region_create(struct ps3_mmio_region *r)
252{
253 int result;
254 u64 lpar_addr;
255
256 result = lv1_map_device_mmio_region(r->dev->bus_id, r->dev->dev_id,
257 r->bus_addr, r->len, r->page_size, &lpar_addr);
258 r->lpar_addr = lpar_addr;
259
260 if (result) {
261 pr_debug("%s:%d: lv1_map_device_mmio_region failed: %s\n",
262 __func__, __LINE__, ps3_result(result));
263 r->lpar_addr = 0;
264 }
265
266 dump_mmio_region(r);
267 return result;
268}
269
270static int ps3_ioc0_mmio_region_create(struct ps3_mmio_region *r)
271{
272
273 return 0;
274}
275
276int ps3_mmio_region_create(struct ps3_mmio_region *r)
277{
278 return r->mmio_ops->create(r);
279}
280EXPORT_SYMBOL_GPL(ps3_mmio_region_create);
281
282static int ps3_sb_free_mmio_region(struct ps3_mmio_region *r)
283{
284 int result;
285
286 dump_mmio_region(r);
287 result = lv1_unmap_device_mmio_region(r->dev->bus_id, r->dev->dev_id,
288 r->lpar_addr);
289
290 if (result)
291 pr_debug("%s:%d: lv1_unmap_device_mmio_region failed: %s\n",
292 __func__, __LINE__, ps3_result(result));
293
294 r->lpar_addr = 0;
295 return result;
296}
297
298static int ps3_ioc0_free_mmio_region(struct ps3_mmio_region *r)
299{
300
301 return 0;
302}
303
304
305int ps3_free_mmio_region(struct ps3_mmio_region *r)
306{
307 return r->mmio_ops->free(r);
308}
309
310EXPORT_SYMBOL_GPL(ps3_free_mmio_region);
311
312static const struct ps3_mmio_region_ops ps3_mmio_sb_region_ops = {
313 .create = ps3_sb_mmio_region_create,
314 .free = ps3_sb_free_mmio_region
315};
316
317static const struct ps3_mmio_region_ops ps3_mmio_ioc0_region_ops = {
318 .create = ps3_ioc0_mmio_region_create,
319 .free = ps3_ioc0_free_mmio_region
320};
321
322int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
323 struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
324 enum ps3_mmio_page_size page_size)
325{
326 r->dev = dev;
327 r->bus_addr = bus_addr;
328 r->len = len;
329 r->page_size = page_size;
330 switch (dev->dev_type) {
331 case PS3_DEVICE_TYPE_SB:
332 r->mmio_ops = &ps3_mmio_sb_region_ops;
333 break;
334 case PS3_DEVICE_TYPE_IOC0:
335 r->mmio_ops = &ps3_mmio_ioc0_region_ops;
336 break;
337 default:
338 BUG();
339 return -EINVAL;
340 }
341 return 0;
342}
343EXPORT_SYMBOL_GPL(ps3_mmio_region_init);
344
345static int ps3_system_bus_match(struct device *_dev,
346 struct device_driver *_drv)
347{
348 int result;
349 struct ps3_system_bus_driver *drv = ps3_drv_to_system_bus_drv(_drv);
350 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
351
352 if (!dev->match_sub_id)
353 result = dev->match_id == drv->match_id;
354 else
355 result = dev->match_sub_id == drv->match_sub_id &&
356 dev->match_id == drv->match_id;
357
358 if (result)
359 pr_info("%s:%d: dev=%u.%u(%s), drv=%u.%u(%s): match\n",
360 __func__, __LINE__,
361 dev->match_id, dev->match_sub_id, dev_name(&dev->core),
362 drv->match_id, drv->match_sub_id, drv->core.name);
363 else
364 pr_debug("%s:%d: dev=%u.%u(%s), drv=%u.%u(%s): miss\n",
365 __func__, __LINE__,
366 dev->match_id, dev->match_sub_id, dev_name(&dev->core),
367 drv->match_id, drv->match_sub_id, drv->core.name);
368
369 return result;
370}
371
372static int ps3_system_bus_probe(struct device *_dev)
373{
374 int result = 0;
375 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
376 struct ps3_system_bus_driver *drv;
377
378 BUG_ON(!dev);
379 dev_dbg(_dev, "%s:%d\n", __func__, __LINE__);
380
381 drv = ps3_system_bus_dev_to_system_bus_drv(dev);
382 BUG_ON(!drv);
383
384 if (drv->probe)
385 result = drv->probe(dev);
386 else
387 pr_debug("%s:%d: %s no probe method\n", __func__, __LINE__,
388 dev_name(&dev->core));
389
390 pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev_name(&dev->core));
391 return result;
392}
393
394static int ps3_system_bus_remove(struct device *_dev)
395{
396 int result = 0;
397 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
398 struct ps3_system_bus_driver *drv;
399
400 BUG_ON(!dev);
401 dev_dbg(_dev, "%s:%d\n", __func__, __LINE__);
402
403 drv = ps3_system_bus_dev_to_system_bus_drv(dev);
404 BUG_ON(!drv);
405
406 if (drv->remove)
407 result = drv->remove(dev);
408 else
409 dev_dbg(&dev->core, "%s:%d %s: no remove method\n",
410 __func__, __LINE__, drv->core.name);
411
412 pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev_name(&dev->core));
413 return result;
414}
415
416static void ps3_system_bus_shutdown(struct device *_dev)
417{
418 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
419 struct ps3_system_bus_driver *drv;
420
421 BUG_ON(!dev);
422
423 dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
424 dev->match_id);
425
426 if (!dev->core.driver) {
427 dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
428 __LINE__);
429 return;
430 }
431
432 drv = ps3_system_bus_dev_to_system_bus_drv(dev);
433
434 BUG_ON(!drv);
435
436 dev_dbg(&dev->core, "%s:%d: %s -> %s\n", __func__, __LINE__,
437 dev_name(&dev->core), drv->core.name);
438
439 if (drv->shutdown)
440 drv->shutdown(dev);
441 else if (drv->remove) {
442 dev_dbg(&dev->core, "%s:%d %s: no shutdown, calling remove\n",
443 __func__, __LINE__, drv->core.name);
444 drv->remove(dev);
445 } else {
446 dev_dbg(&dev->core, "%s:%d %s: no shutdown method\n",
447 __func__, __LINE__, drv->core.name);
448 BUG();
449 }
450
451 dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
452}
453
454static int ps3_system_bus_uevent(struct device *_dev, struct kobj_uevent_env *env)
455{
456 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
457
458 if (add_uevent_var(env, "MODALIAS=ps3:%d:%d", dev->match_id,
459 dev->match_sub_id))
460 return -ENOMEM;
461 return 0;
462}
463
464static ssize_t modalias_show(struct device *_dev, struct device_attribute *a,
465 char *buf)
466{
467 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
468 int len = snprintf(buf, PAGE_SIZE, "ps3:%d:%d\n", dev->match_id,
469 dev->match_sub_id);
470
471 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
472}
473
474static struct device_attribute ps3_system_bus_dev_attrs[] = {
475 __ATTR_RO(modalias),
476 __ATTR_NULL,
477};
478
479struct bus_type ps3_system_bus_type = {
480 .name = "ps3_system_bus",
481 .match = ps3_system_bus_match,
482 .uevent = ps3_system_bus_uevent,
483 .probe = ps3_system_bus_probe,
484 .remove = ps3_system_bus_remove,
485 .shutdown = ps3_system_bus_shutdown,
486 .dev_attrs = ps3_system_bus_dev_attrs,
487};
488
489static int __init ps3_system_bus_init(void)
490{
491 int result;
492
493 if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
494 return -ENODEV;
495
496 pr_debug(" -> %s:%d\n", __func__, __LINE__);
497
498 mutex_init(&usage_hack.mutex);
499
500 result = device_register(&ps3_system_bus);
501 BUG_ON(result);
502
503 result = bus_register(&ps3_system_bus_type);
504 BUG_ON(result);
505
506 pr_debug(" <- %s:%d\n", __func__, __LINE__);
507 return result;
508}
509
510core_initcall(ps3_system_bus_init);
511
512
513
514
515
516static void * ps3_alloc_coherent(struct device *_dev, size_t size,
517 dma_addr_t *dma_handle, gfp_t flag)
518{
519 int result;
520 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
521 unsigned long virt_addr;
522
523 flag &= ~(__GFP_DMA | __GFP_HIGHMEM);
524 flag |= __GFP_ZERO;
525
526 virt_addr = __get_free_pages(flag, get_order(size));
527
528 if (!virt_addr) {
529 pr_debug("%s:%d: get_free_pages failed\n", __func__, __LINE__);
530 goto clean_none;
531 }
532
533 result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle,
534 CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
535 CBE_IOPTE_SO_RW | CBE_IOPTE_M);
536
537 if (result) {
538 pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
539 __func__, __LINE__, result);
540 BUG_ON("check region type");
541 goto clean_alloc;
542 }
543
544 return (void*)virt_addr;
545
546clean_alloc:
547 free_pages(virt_addr, get_order(size));
548clean_none:
549 dma_handle = NULL;
550 return NULL;
551}
552
553static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr,
554 dma_addr_t dma_handle)
555{
556 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
557
558 ps3_dma_unmap(dev->d_region, dma_handle, size);
559 free_pages((unsigned long)vaddr, get_order(size));
560}
561
562
563
564
565
566
567
568static dma_addr_t ps3_sb_map_page(struct device *_dev, struct page *page,
569 unsigned long offset, size_t size, enum dma_data_direction direction,
570 struct dma_attrs *attrs)
571{
572 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
573 int result;
574 dma_addr_t bus_addr;
575 void *ptr = page_address(page) + offset;
576
577 result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size,
578 &bus_addr,
579 CBE_IOPTE_PP_R | CBE_IOPTE_PP_W |
580 CBE_IOPTE_SO_RW | CBE_IOPTE_M);
581
582 if (result) {
583 pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
584 __func__, __LINE__, result);
585 }
586
587 return bus_addr;
588}
589
590static dma_addr_t ps3_ioc0_map_page(struct device *_dev, struct page *page,
591 unsigned long offset, size_t size,
592 enum dma_data_direction direction,
593 struct dma_attrs *attrs)
594{
595 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
596 int result;
597 dma_addr_t bus_addr;
598 u64 iopte_flag;
599 void *ptr = page_address(page) + offset;
600
601 iopte_flag = CBE_IOPTE_M;
602 switch (direction) {
603 case DMA_BIDIRECTIONAL:
604 iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
605 break;
606 case DMA_TO_DEVICE:
607 iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_SO_R;
608 break;
609 case DMA_FROM_DEVICE:
610 iopte_flag |= CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
611 break;
612 default:
613
614 BUG();
615 };
616 result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size,
617 &bus_addr, iopte_flag);
618
619 if (result) {
620 pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
621 __func__, __LINE__, result);
622 }
623 return bus_addr;
624}
625
626static void ps3_unmap_page(struct device *_dev, dma_addr_t dma_addr,
627 size_t size, enum dma_data_direction direction, struct dma_attrs *attrs)
628{
629 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
630 int result;
631
632 result = ps3_dma_unmap(dev->d_region, dma_addr, size);
633
634 if (result) {
635 pr_debug("%s:%d: ps3_dma_unmap failed (%d)\n",
636 __func__, __LINE__, result);
637 }
638}
639
640static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl,
641 int nents, enum dma_data_direction direction, struct dma_attrs *attrs)
642{
643#if defined(CONFIG_PS3_DYNAMIC_DMA)
644 BUG_ON("do");
645 return -EPERM;
646#else
647 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
648 struct scatterlist *sg;
649 int i;
650
651 for_each_sg(sgl, sg, nents, i) {
652 int result = ps3_dma_map(dev->d_region, sg_phys(sg),
653 sg->length, &sg->dma_address, 0);
654
655 if (result) {
656 pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
657 __func__, __LINE__, result);
658 return -EINVAL;
659 }
660
661 sg->dma_length = sg->length;
662 }
663
664 return nents;
665#endif
666}
667
668static int ps3_ioc0_map_sg(struct device *_dev, struct scatterlist *sg,
669 int nents,
670 enum dma_data_direction direction,
671 struct dma_attrs *attrs)
672{
673 BUG();
674 return 0;
675}
676
677static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg,
678 int nents, enum dma_data_direction direction, struct dma_attrs *attrs)
679{
680#if defined(CONFIG_PS3_DYNAMIC_DMA)
681 BUG_ON("do");
682#endif
683}
684
685static void ps3_ioc0_unmap_sg(struct device *_dev, struct scatterlist *sg,
686 int nents, enum dma_data_direction direction,
687 struct dma_attrs *attrs)
688{
689 BUG();
690}
691
692static int ps3_dma_supported(struct device *_dev, u64 mask)
693{
694 return mask >= DMA_BIT_MASK(32);
695}
696
697static struct dma_map_ops ps3_sb_dma_ops = {
698 .alloc_coherent = ps3_alloc_coherent,
699 .free_coherent = ps3_free_coherent,
700 .map_sg = ps3_sb_map_sg,
701 .unmap_sg = ps3_sb_unmap_sg,
702 .dma_supported = ps3_dma_supported,
703 .map_page = ps3_sb_map_page,
704 .unmap_page = ps3_unmap_page,
705};
706
707static struct dma_map_ops ps3_ioc0_dma_ops = {
708 .alloc_coherent = ps3_alloc_coherent,
709 .free_coherent = ps3_free_coherent,
710 .map_sg = ps3_ioc0_map_sg,
711 .unmap_sg = ps3_ioc0_unmap_sg,
712 .dma_supported = ps3_dma_supported,
713 .map_page = ps3_ioc0_map_page,
714 .unmap_page = ps3_unmap_page,
715};
716
717
718
719
720
721static void ps3_system_bus_release_device(struct device *_dev)
722{
723 struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
724 kfree(dev);
725}
726
727
728
729
730
731
732
733
734
735int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
736{
737 int result;
738 static unsigned int dev_ioc0_count;
739 static unsigned int dev_sb_count;
740 static unsigned int dev_vuart_count;
741 static unsigned int dev_lpm_count;
742
743 if (!dev->core.parent)
744 dev->core.parent = &ps3_system_bus;
745 dev->core.bus = &ps3_system_bus_type;
746 dev->core.release = ps3_system_bus_release_device;
747
748 switch (dev->dev_type) {
749 case PS3_DEVICE_TYPE_IOC0:
750 dev->core.archdata.dma_ops = &ps3_ioc0_dma_ops;
751 dev_set_name(&dev->core, "ioc0_%02x", ++dev_ioc0_count);
752 break;
753 case PS3_DEVICE_TYPE_SB:
754 dev->core.archdata.dma_ops = &ps3_sb_dma_ops;
755 dev_set_name(&dev->core, "sb_%02x", ++dev_sb_count);
756
757 break;
758 case PS3_DEVICE_TYPE_VUART:
759 dev_set_name(&dev->core, "vuart_%02x", ++dev_vuart_count);
760 break;
761 case PS3_DEVICE_TYPE_LPM:
762 dev_set_name(&dev->core, "lpm_%02x", ++dev_lpm_count);
763 break;
764 default:
765 BUG();
766 };
767
768 dev->core.archdata.of_node = NULL;
769 set_dev_node(&dev->core, 0);
770
771 pr_debug("%s:%d add %s\n", __func__, __LINE__, dev_name(&dev->core));
772
773 result = device_register(&dev->core);
774 return result;
775}
776
777EXPORT_SYMBOL_GPL(ps3_system_bus_device_register);
778
779int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv)
780{
781 int result;
782
783 pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, drv->core.name);
784
785 if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
786 return -ENODEV;
787
788 drv->core.bus = &ps3_system_bus_type;
789
790 result = driver_register(&drv->core);
791 pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, drv->core.name);
792 return result;
793}
794
795EXPORT_SYMBOL_GPL(ps3_system_bus_driver_register);
796
797void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv)
798{
799 pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, drv->core.name);
800 driver_unregister(&drv->core);
801 pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, drv->core.name);
802}
803
804EXPORT_SYMBOL_GPL(ps3_system_bus_driver_unregister);
805
