Commit | Line | Data |
---|---|---|
8369ae33 RM |
1 | /* |
2 | * Broadcom specific AMBA | |
3 | * Bus subsystem | |
4 | * | |
5 | * Licensed under the GNU/GPL. See COPYING for details. | |
6 | */ | |
7 | ||
8 | #include "bcma_private.h" | |
200351c7 | 9 | #include <linux/module.h> |
d57ef3a6 | 10 | #include <linux/platform_device.h> |
8369ae33 | 11 | #include <linux/bcma/bcma.h> |
eef72699 | 12 | #include <linux/slab.h> |
2101e533 | 13 | #include <linux/of_address.h> |
71783576 | 14 | #include <linux/of_irq.h> |
8369ae33 RM |
15 | |
16 | MODULE_DESCRIPTION("Broadcom's specific AMBA driver"); | |
17 | MODULE_LICENSE("GPL"); | |
18 | ||
8f9ada4f HM |
19 | /* contains the number the next bus should get. */ |
20 | static unsigned int bcma_bus_next_num = 0; | |
21 | ||
22 | /* bcma_buses_mutex locks the bcma_bus_next_num */ | |
23 | static DEFINE_MUTEX(bcma_buses_mutex); | |
24 | ||
8369ae33 RM |
25 | static int bcma_bus_match(struct device *dev, struct device_driver *drv); |
26 | static int bcma_device_probe(struct device *dev); | |
27 | static int bcma_device_remove(struct device *dev); | |
886b66ef | 28 | static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env); |
8369ae33 RM |
29 | |
30 | static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf) | |
31 | { | |
32 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
33 | return sprintf(buf, "0x%03X\n", core->id.manuf); | |
34 | } | |
fdcf4f81 GKH |
35 | static DEVICE_ATTR_RO(manuf); |
36 | ||
8369ae33 RM |
37 | static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf) |
38 | { | |
39 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
40 | return sprintf(buf, "0x%03X\n", core->id.id); | |
41 | } | |
fdcf4f81 GKH |
42 | static DEVICE_ATTR_RO(id); |
43 | ||
8369ae33 RM |
44 | static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf) |
45 | { | |
46 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
47 | return sprintf(buf, "0x%02X\n", core->id.rev); | |
48 | } | |
fdcf4f81 GKH |
49 | static DEVICE_ATTR_RO(rev); |
50 | ||
8369ae33 RM |
51 | static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf) |
52 | { | |
53 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
54 | return sprintf(buf, "0x%X\n", core->id.class); | |
55 | } | |
fdcf4f81 GKH |
56 | static DEVICE_ATTR_RO(class); |
57 | ||
58 | static struct attribute *bcma_device_attrs[] = { | |
59 | &dev_attr_manuf.attr, | |
60 | &dev_attr_id.attr, | |
61 | &dev_attr_rev.attr, | |
62 | &dev_attr_class.attr, | |
63 | NULL, | |
8369ae33 | 64 | }; |
fdcf4f81 | 65 | ATTRIBUTE_GROUPS(bcma_device); |
8369ae33 RM |
66 | |
67 | static struct bus_type bcma_bus_type = { | |
68 | .name = "bcma", | |
69 | .match = bcma_bus_match, | |
70 | .probe = bcma_device_probe, | |
71 | .remove = bcma_device_remove, | |
886b66ef | 72 | .uevent = bcma_device_uevent, |
fdcf4f81 | 73 | .dev_groups = bcma_device_groups, |
8369ae33 RM |
74 | }; |
75 | ||
6d5cfc9f RM |
76 | static u16 bcma_cc_core_id(struct bcma_bus *bus) |
77 | { | |
78 | if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) | |
79 | return BCMA_CORE_4706_CHIPCOMMON; | |
80 | return BCMA_CORE_CHIPCOMMON; | |
81 | } | |
82 | ||
929a03ae HM |
83 | struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, |
84 | u8 unit) | |
dfae7143 HM |
85 | { |
86 | struct bcma_device *core; | |
87 | ||
88 | list_for_each_entry(core, &bus->cores, list) { | |
89 | if (core->id.id == coreid && core->core_unit == unit) | |
90 | return core; | |
91 | } | |
92 | return NULL; | |
93 | } | |
b2395b8a | 94 | EXPORT_SYMBOL_GPL(bcma_find_core_unit); |
dfae7143 | 95 | |
88f9b65d RM |
96 | bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, |
97 | int timeout) | |
98 | { | |
99 | unsigned long deadline = jiffies + timeout; | |
100 | u32 val; | |
101 | ||
102 | do { | |
103 | val = bcma_read32(core, reg); | |
104 | if ((val & mask) == value) | |
105 | return true; | |
106 | cpu_relax(); | |
107 | udelay(10); | |
108 | } while (!time_after_eq(jiffies, deadline)); | |
109 | ||
110 | bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); | |
111 | ||
112 | return false; | |
113 | } | |
114 | ||
8369ae33 RM |
115 | static void bcma_release_core_dev(struct device *dev) |
116 | { | |
117 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
ecd177c2 HM |
118 | if (core->io_addr) |
119 | iounmap(core->io_addr); | |
120 | if (core->io_wrap) | |
121 | iounmap(core->io_wrap); | |
8369ae33 RM |
122 | kfree(core); |
123 | } | |
124 | ||
37a7f876 RM |
125 | static bool bcma_is_core_needed_early(u16 core_id) |
126 | { | |
127 | switch (core_id) { | |
128 | case BCMA_CORE_NS_NAND: | |
129 | case BCMA_CORE_NS_QSPI: | |
130 | return true; | |
131 | } | |
132 | ||
133 | return false; | |
134 | } | |
135 | ||
78afe83c | 136 | #if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS) |
2101e533 HM |
137 | static struct device_node *bcma_of_find_child_device(struct platform_device *parent, |
138 | struct bcma_device *core) | |
139 | { | |
140 | struct device_node *node; | |
141 | u64 size; | |
142 | const __be32 *reg; | |
143 | ||
144 | if (!parent || !parent->dev.of_node) | |
145 | return NULL; | |
146 | ||
147 | for_each_child_of_node(parent->dev.of_node, node) { | |
148 | reg = of_get_address(node, 0, &size, NULL); | |
149 | if (!reg) | |
150 | continue; | |
151 | if (of_translate_address(node, reg) == core->addr) | |
152 | return node; | |
153 | } | |
154 | return NULL; | |
155 | } | |
156 | ||
71783576 HM |
157 | static int bcma_of_irq_parse(struct platform_device *parent, |
158 | struct bcma_device *core, | |
159 | struct of_phandle_args *out_irq, int num) | |
160 | { | |
161 | __be32 laddr[1]; | |
162 | int rc; | |
163 | ||
164 | if (core->dev.of_node) { | |
165 | rc = of_irq_parse_one(core->dev.of_node, num, out_irq); | |
166 | if (!rc) | |
167 | return rc; | |
168 | } | |
169 | ||
170 | out_irq->np = parent->dev.of_node; | |
171 | out_irq->args_count = 1; | |
172 | out_irq->args[0] = num; | |
173 | ||
174 | laddr[0] = cpu_to_be32(core->addr); | |
175 | return of_irq_parse_raw(laddr, out_irq); | |
176 | } | |
177 | ||
178 | static unsigned int bcma_of_get_irq(struct platform_device *parent, | |
179 | struct bcma_device *core, int num) | |
180 | { | |
181 | struct of_phandle_args out_irq; | |
182 | int ret; | |
183 | ||
184 | if (!parent || !parent->dev.of_node) | |
185 | return 0; | |
186 | ||
187 | ret = bcma_of_irq_parse(parent, core, &out_irq, num); | |
188 | if (ret) { | |
189 | bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n", | |
190 | ret); | |
191 | return 0; | |
192 | } | |
193 | ||
194 | return irq_create_of_mapping(&out_irq); | |
195 | } | |
196 | ||
2101e533 HM |
197 | static void bcma_of_fill_device(struct platform_device *parent, |
198 | struct bcma_device *core) | |
199 | { | |
200 | struct device_node *node; | |
201 | ||
202 | node = bcma_of_find_child_device(parent, core); | |
203 | if (node) | |
204 | core->dev.of_node = node; | |
71783576 HM |
205 | |
206 | core->irq = bcma_of_get_irq(parent, core, 0); | |
2101e533 HM |
207 | } |
208 | #else | |
209 | static void bcma_of_fill_device(struct platform_device *parent, | |
210 | struct bcma_device *core) | |
211 | { | |
212 | } | |
71783576 HM |
213 | static inline unsigned int bcma_of_get_irq(struct platform_device *parent, |
214 | struct bcma_device *core, int num) | |
215 | { | |
216 | return 0; | |
217 | } | |
2101e533 HM |
218 | #endif /* CONFIG_OF */ |
219 | ||
85eb92e8 HM |
220 | unsigned int bcma_core_irq(struct bcma_device *core, int num) |
221 | { | |
222 | struct bcma_bus *bus = core->bus; | |
223 | unsigned int mips_irq; | |
224 | ||
225 | switch (bus->hosttype) { | |
226 | case BCMA_HOSTTYPE_PCI: | |
227 | return bus->host_pci->irq; | |
228 | case BCMA_HOSTTYPE_SOC: | |
229 | if (bus->drv_mips.core && num == 0) { | |
230 | mips_irq = bcma_core_mips_irq(core); | |
231 | return mips_irq <= 4 ? mips_irq + 2 : 0; | |
232 | } | |
71783576 HM |
233 | if (bus->host_pdev) |
234 | return bcma_of_get_irq(bus->host_pdev, core, num); | |
235 | return 0; | |
85eb92e8 HM |
236 | case BCMA_HOSTTYPE_SDIO: |
237 | return 0; | |
238 | } | |
239 | ||
240 | return 0; | |
241 | } | |
242 | EXPORT_SYMBOL(bcma_core_irq); | |
243 | ||
ab54bc84 | 244 | void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) |
6e094bd8 | 245 | { |
6e094bd8 RM |
246 | core->dev.release = bcma_release_core_dev; |
247 | core->dev.bus = &bcma_bus_type; | |
248 | dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index); | |
249 | ||
250 | switch (bus->hosttype) { | |
251 | case BCMA_HOSTTYPE_PCI: | |
252 | core->dev.parent = &bus->host_pci->dev; | |
253 | core->dma_dev = &bus->host_pci->dev; | |
254 | core->irq = bus->host_pci->irq; | |
255 | break; | |
256 | case BCMA_HOSTTYPE_SOC: | |
257 | core->dev.dma_mask = &core->dev.coherent_dma_mask; | |
2101e533 HM |
258 | if (bus->host_pdev) { |
259 | core->dma_dev = &bus->host_pdev->dev; | |
260 | core->dev.parent = &bus->host_pdev->dev; | |
261 | bcma_of_fill_device(bus->host_pdev, core); | |
262 | } else { | |
263 | core->dma_dev = &core->dev; | |
264 | } | |
6e094bd8 RM |
265 | break; |
266 | case BCMA_HOSTTYPE_SDIO: | |
267 | break; | |
268 | } | |
ab54bc84 RM |
269 | } |
270 | ||
799038ea RM |
271 | void bcma_init_bus(struct bcma_bus *bus) |
272 | { | |
273 | mutex_lock(&bcma_buses_mutex); | |
274 | bus->num = bcma_bus_next_num++; | |
275 | mutex_unlock(&bcma_buses_mutex); | |
276 | ||
277 | INIT_LIST_HEAD(&bus->cores); | |
278 | bus->nr_cores = 0; | |
279 | ||
280 | bcma_detect_chip(bus); | |
281 | } | |
282 | ||
ab54bc84 RM |
283 | static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) |
284 | { | |
285 | int err; | |
6e094bd8 RM |
286 | |
287 | err = device_register(&core->dev); | |
288 | if (err) { | |
289 | bcma_err(bus, "Could not register dev for core 0x%03X\n", | |
290 | core->id.id); | |
291 | put_device(&core->dev); | |
292 | return; | |
293 | } | |
294 | core->dev_registered = true; | |
295 | } | |
296 | ||
297 | static int bcma_register_devices(struct bcma_bus *bus) | |
8369ae33 RM |
298 | { |
299 | struct bcma_device *core; | |
6e094bd8 | 300 | int err; |
8369ae33 RM |
301 | |
302 | list_for_each_entry(core, &bus->cores, list) { | |
303 | /* We support that cores ourself */ | |
304 | switch (core->id.id) { | |
6d5cfc9f | 305 | case BCMA_CORE_4706_CHIPCOMMON: |
8369ae33 | 306 | case BCMA_CORE_CHIPCOMMON: |
1716bcf3 | 307 | case BCMA_CORE_NS_CHIPCOMMON_B: |
8369ae33 RM |
308 | case BCMA_CORE_PCI: |
309 | case BCMA_CORE_PCIE: | |
f473832f | 310 | case BCMA_CORE_PCIE2: |
21e0534a | 311 | case BCMA_CORE_MIPS_74K: |
e1ac4b40 | 312 | case BCMA_CORE_4706_MAC_GBIT_COMMON: |
8369ae33 RM |
313 | continue; |
314 | } | |
315 | ||
37a7f876 RM |
316 | /* Early cores were already registered */ |
317 | if (bcma_is_core_needed_early(core->id.id)) | |
318 | continue; | |
319 | ||
10419d08 RM |
320 | /* Only first GMAC core on BCM4706 is connected and working */ |
321 | if (core->id.id == BCMA_CORE_4706_MAC_GBIT && | |
322 | core->core_unit > 0) | |
323 | continue; | |
324 | ||
6e094bd8 | 325 | bcma_register_core(bus, core); |
8369ae33 RM |
326 | } |
327 | ||
73e4dbe4 RM |
328 | #ifdef CONFIG_BCMA_DRIVER_MIPS |
329 | if (bus->drv_cc.pflash.present) { | |
330 | err = platform_device_register(&bcma_pflash_dev); | |
331 | if (err) | |
332 | bcma_err(bus, "Error registering parallel flash\n"); | |
333 | } | |
334 | #endif | |
335 | ||
d57ef3a6 RM |
336 | #ifdef CONFIG_BCMA_SFLASH |
337 | if (bus->drv_cc.sflash.present) { | |
338 | err = platform_device_register(&bcma_sflash_dev); | |
339 | if (err) | |
340 | bcma_err(bus, "Error registering serial flash\n"); | |
341 | } | |
342 | #endif | |
343 | ||
371a0044 RM |
344 | #ifdef CONFIG_BCMA_NFLASH |
345 | if (bus->drv_cc.nflash.present) { | |
346 | err = platform_device_register(&bcma_nflash_dev); | |
347 | if (err) | |
348 | bcma_err(bus, "Error registering NAND flash\n"); | |
349 | } | |
350 | #endif | |
cf0936b0 HM |
351 | err = bcma_gpio_init(&bus->drv_cc); |
352 | if (err == -ENOTSUPP) | |
353 | bcma_debug(bus, "GPIO driver not activated\n"); | |
354 | else if (err) | |
355 | bcma_err(bus, "Error registering GPIO driver: %i\n", err); | |
371a0044 | 356 | |
a4855f39 HM |
357 | if (bus->hosttype == BCMA_HOSTTYPE_SOC) { |
358 | err = bcma_chipco_watchdog_register(&bus->drv_cc); | |
359 | if (err) | |
360 | bcma_err(bus, "Error registering watchdog driver\n"); | |
361 | } | |
362 | ||
8369ae33 RM |
363 | return 0; |
364 | } | |
365 | ||
9b6cc9a8 | 366 | void bcma_unregister_cores(struct bcma_bus *bus) |
8369ae33 | 367 | { |
1fffa905 | 368 | struct bcma_device *core, *tmp; |
8369ae33 | 369 | |
1fffa905 | 370 | list_for_each_entry_safe(core, tmp, &bus->cores, list) { |
17fbaa6e RM |
371 | if (!core->dev_registered) |
372 | continue; | |
1fffa905 | 373 | list_del(&core->list); |
17fbaa6e | 374 | device_unregister(&core->dev); |
8369ae33 | 375 | } |
a4855f39 HM |
376 | if (bus->hosttype == BCMA_HOSTTYPE_SOC) |
377 | platform_device_unregister(bus->drv_cc.watchdog); | |
17fbaa6e RM |
378 | |
379 | /* Now noone uses internally-handled cores, we can free them */ | |
380 | list_for_each_entry_safe(core, tmp, &bus->cores, list) { | |
381 | list_del(&core->list); | |
382 | kfree(core); | |
383 | } | |
8369ae33 RM |
384 | } |
385 | ||
0f58a01d | 386 | int bcma_bus_register(struct bcma_bus *bus) |
8369ae33 RM |
387 | { |
388 | int err; | |
389 | struct bcma_device *core; | |
390 | ||
391 | /* Scan for devices (cores) */ | |
392 | err = bcma_bus_scan(bus); | |
393 | if (err) { | |
3d9d8af3 | 394 | bcma_err(bus, "Failed to scan: %d\n", err); |
1cabf7db | 395 | return err; |
8369ae33 RM |
396 | } |
397 | ||
30cfb023 HM |
398 | /* Early init CC core */ |
399 | core = bcma_find_core(bus, bcma_cc_core_id(bus)); | |
400 | if (core) { | |
401 | bus->drv_cc.core = core; | |
402 | bcma_core_chipcommon_early_init(&bus->drv_cc); | |
403 | } | |
b504075f RM |
404 | |
405 | /* Early init PCIE core */ | |
406 | core = bcma_find_core(bus, BCMA_CORE_PCIE); | |
407 | if (core) { | |
408 | bus->drv_pci[0].core = core; | |
409 | bcma_core_pci_early_init(&bus->drv_pci[0]); | |
410 | } | |
30cfb023 | 411 | |
37a7f876 RM |
412 | /* Cores providing flash access go before SPROM init */ |
413 | list_for_each_entry(core, &bus->cores, list) { | |
414 | if (bcma_is_core_needed_early(core->id.id)) | |
415 | bcma_register_core(bus, core); | |
416 | } | |
417 | ||
30cfb023 HM |
418 | /* Try to get SPROM */ |
419 | err = bcma_sprom_get(bus); | |
420 | if (err == -ENOENT) { | |
421 | bcma_err(bus, "No SPROM available\n"); | |
422 | } else if (err) | |
423 | bcma_err(bus, "Failed to get SPROM: %d\n", err); | |
424 | ||
8369ae33 | 425 | /* Init CC core */ |
6d5cfc9f | 426 | core = bcma_find_core(bus, bcma_cc_core_id(bus)); |
8369ae33 RM |
427 | if (core) { |
428 | bus->drv_cc.core = core; | |
429 | bcma_core_chipcommon_init(&bus->drv_cc); | |
430 | } | |
431 | ||
1716bcf3 HM |
432 | /* Init CC core */ |
433 | core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); | |
434 | if (core) { | |
435 | bus->drv_cc_b.core = core; | |
436 | bcma_core_chipcommon_b_init(&bus->drv_cc_b); | |
437 | } | |
438 | ||
21e0534a HM |
439 | /* Init MIPS core */ |
440 | core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); | |
441 | if (core) { | |
442 | bus->drv_mips.core = core; | |
443 | bcma_core_mips_init(&bus->drv_mips); | |
444 | } | |
445 | ||
8369ae33 | 446 | /* Init PCIE core */ |
dfae7143 HM |
447 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); |
448 | if (core) { | |
449 | bus->drv_pci[0].core = core; | |
450 | bcma_core_pci_init(&bus->drv_pci[0]); | |
451 | } | |
452 | ||
453 | /* Init PCIE core */ | |
454 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); | |
8369ae33 | 455 | if (core) { |
dfae7143 HM |
456 | bus->drv_pci[1].core = core; |
457 | bcma_core_pci_init(&bus->drv_pci[1]); | |
8369ae33 RM |
458 | } |
459 | ||
f473832f RM |
460 | /* Init PCIe Gen 2 core */ |
461 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); | |
462 | if (core) { | |
463 | bus->drv_pcie2.core = core; | |
464 | bcma_core_pcie2_init(&bus->drv_pcie2); | |
465 | } | |
466 | ||
e1ac4b40 RM |
467 | /* Init GBIT MAC COMMON core */ |
468 | core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); | |
469 | if (core) { | |
470 | bus->drv_gmac_cmn.core = core; | |
471 | bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); | |
472 | } | |
473 | ||
8369ae33 | 474 | /* Register found cores */ |
6e094bd8 | 475 | bcma_register_devices(bus); |
8369ae33 | 476 | |
3d9d8af3 | 477 | bcma_info(bus, "Bus registered\n"); |
8369ae33 RM |
478 | |
479 | return 0; | |
480 | } | |
8369ae33 RM |
481 | |
482 | void bcma_bus_unregister(struct bcma_bus *bus) | |
483 | { | |
c50ae947 HM |
484 | int err; |
485 | ||
486 | err = bcma_gpio_unregister(&bus->drv_cc); | |
487 | if (err == -EBUSY) | |
488 | bcma_err(bus, "Some GPIOs are still in use.\n"); | |
489 | else if (err) | |
490 | bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); | |
ee915927 | 491 | |
1716bcf3 HM |
492 | bcma_core_chipcommon_b_free(&bus->drv_cc_b); |
493 | ||
8369ae33 RM |
494 | bcma_unregister_cores(bus); |
495 | } | |
8369ae33 | 496 | |
c5ed1df7 RM |
497 | /* |
498 | * This is a special version of bus registration function designed for SoCs. | |
499 | * It scans bus and performs basic initialization of main cores only. | |
500 | * Please note it requires memory allocation, however it won't try to sleep. | |
501 | */ | |
502 | int __init bcma_bus_early_register(struct bcma_bus *bus) | |
517f43e5 HM |
503 | { |
504 | int err; | |
505 | struct bcma_device *core; | |
517f43e5 | 506 | |
c5ed1df7 RM |
507 | /* Scan for devices (cores) */ |
508 | err = bcma_bus_scan(bus); | |
517f43e5 | 509 | if (err) { |
c5ed1df7 | 510 | bcma_err(bus, "Failed to scan bus: %d\n", err); |
517f43e5 HM |
511 | return -1; |
512 | } | |
513 | ||
49655bb8 | 514 | /* Early init CC core */ |
6d5cfc9f | 515 | core = bcma_find_core(bus, bcma_cc_core_id(bus)); |
517f43e5 HM |
516 | if (core) { |
517 | bus->drv_cc.core = core; | |
49655bb8 | 518 | bcma_core_chipcommon_early_init(&bus->drv_cc); |
517f43e5 HM |
519 | } |
520 | ||
49655bb8 | 521 | /* Early init MIPS core */ |
21e0534a HM |
522 | core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); |
523 | if (core) { | |
524 | bus->drv_mips.core = core; | |
49655bb8 | 525 | bcma_core_mips_early_init(&bus->drv_mips); |
21e0534a HM |
526 | } |
527 | ||
3d9d8af3 | 528 | bcma_info(bus, "Early bus registered\n"); |
517f43e5 HM |
529 | |
530 | return 0; | |
531 | } | |
532 | ||
775ab521 | 533 | #ifdef CONFIG_PM |
685a4ef0 LT |
534 | int bcma_bus_suspend(struct bcma_bus *bus) |
535 | { | |
7d5869e7 LT |
536 | struct bcma_device *core; |
537 | ||
538 | list_for_each_entry(core, &bus->cores, list) { | |
539 | struct device_driver *drv = core->dev.driver; | |
540 | if (drv) { | |
541 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); | |
542 | if (adrv->suspend) | |
543 | adrv->suspend(core); | |
544 | } | |
545 | } | |
685a4ef0 LT |
546 | return 0; |
547 | } | |
548 | ||
775ab521 RM |
549 | int bcma_bus_resume(struct bcma_bus *bus) |
550 | { | |
551 | struct bcma_device *core; | |
552 | ||
553 | /* Init CC core */ | |
6d5cfc9f | 554 | if (bus->drv_cc.core) { |
775ab521 RM |
555 | bus->drv_cc.setup_done = false; |
556 | bcma_core_chipcommon_init(&bus->drv_cc); | |
557 | } | |
558 | ||
7d5869e7 LT |
559 | list_for_each_entry(core, &bus->cores, list) { |
560 | struct device_driver *drv = core->dev.driver; | |
561 | if (drv) { | |
562 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); | |
563 | if (adrv->resume) | |
564 | adrv->resume(core); | |
565 | } | |
566 | } | |
567 | ||
775ab521 RM |
568 | return 0; |
569 | } | |
570 | #endif | |
571 | ||
8369ae33 RM |
572 | int __bcma_driver_register(struct bcma_driver *drv, struct module *owner) |
573 | { | |
574 | drv->drv.name = drv->name; | |
575 | drv->drv.bus = &bcma_bus_type; | |
576 | drv->drv.owner = owner; | |
577 | ||
578 | return driver_register(&drv->drv); | |
579 | } | |
580 | EXPORT_SYMBOL_GPL(__bcma_driver_register); | |
581 | ||
582 | void bcma_driver_unregister(struct bcma_driver *drv) | |
583 | { | |
584 | driver_unregister(&drv->drv); | |
585 | } | |
586 | EXPORT_SYMBOL_GPL(bcma_driver_unregister); | |
587 | ||
588 | static int bcma_bus_match(struct device *dev, struct device_driver *drv) | |
589 | { | |
590 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
591 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); | |
592 | const struct bcma_device_id *cid = &core->id; | |
593 | const struct bcma_device_id *did; | |
594 | ||
595 | for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) { | |
596 | if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) && | |
597 | (did->id == cid->id || did->id == BCMA_ANY_ID) && | |
598 | (did->rev == cid->rev || did->rev == BCMA_ANY_REV) && | |
599 | (did->class == cid->class || did->class == BCMA_ANY_CLASS)) | |
600 | return 1; | |
601 | } | |
602 | return 0; | |
603 | } | |
604 | ||
605 | static int bcma_device_probe(struct device *dev) | |
606 | { | |
607 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
608 | struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver, | |
609 | drv); | |
610 | int err = 0; | |
611 | ||
612 | if (adrv->probe) | |
613 | err = adrv->probe(core); | |
614 | ||
615 | return err; | |
616 | } | |
617 | ||
618 | static int bcma_device_remove(struct device *dev) | |
619 | { | |
620 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
621 | struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver, | |
622 | drv); | |
623 | ||
624 | if (adrv->remove) | |
625 | adrv->remove(core); | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
886b66ef DW |
630 | static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env) |
631 | { | |
632 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); | |
633 | ||
634 | return add_uevent_var(env, | |
635 | "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X", | |
636 | core->id.manuf, core->id.id, | |
637 | core->id.rev, core->id.class); | |
638 | } | |
639 | ||
8369ae33 RM |
640 | static int __init bcma_modinit(void) |
641 | { | |
642 | int err; | |
643 | ||
644 | err = bus_register(&bcma_bus_type); | |
645 | if (err) | |
646 | return err; | |
647 | ||
2101e533 HM |
648 | err = bcma_host_soc_register_driver(); |
649 | if (err) { | |
650 | pr_err("SoC host initialization failed\n"); | |
651 | err = 0; | |
652 | } | |
8369ae33 RM |
653 | #ifdef CONFIG_BCMA_HOST_PCI |
654 | err = bcma_host_pci_init(); | |
655 | if (err) { | |
656 | pr_err("PCI host initialization failed\n"); | |
657 | err = 0; | |
658 | } | |
659 | #endif | |
660 | ||
661 | return err; | |
662 | } | |
663 | fs_initcall(bcma_modinit); | |
664 | ||
665 | static void __exit bcma_modexit(void) | |
666 | { | |
667 | #ifdef CONFIG_BCMA_HOST_PCI | |
668 | bcma_host_pci_exit(); | |
669 | #endif | |
2101e533 | 670 | bcma_host_soc_unregister_driver(); |
8369ae33 RM |
671 | bus_unregister(&bcma_bus_type); |
672 | } | |
673 | module_exit(bcma_modexit) |