diff options
Diffstat (limited to 'drivers/net/wireless/bcm4329/bcmsdh_linux.c')
-rw-r--r-- | drivers/net/wireless/bcm4329/bcmsdh_linux.c | 735 |
1 files changed, 735 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm4329/bcmsdh_linux.c b/drivers/net/wireless/bcm4329/bcmsdh_linux.c new file mode 100644 index 00000000000..22e1e9c7997 --- /dev/null +++ b/drivers/net/wireless/bcm4329/bcmsdh_linux.c | |||
@@ -0,0 +1,735 @@ | |||
1 | /* | ||
2 | * SDIO access interface for drivers - linux specific (pci only) | ||
3 | * | ||
4 | * Copyright (C) 1999-2010, Broadcom Corporation | ||
5 | * | ||
6 | * Unless you and Broadcom execute a separate written software license | ||
7 | * agreement governing use of this software, this software is licensed to you | ||
8 | * under the terms of the GNU General Public License version 2 (the "GPL"), | ||
9 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the | ||
10 | * following added to such license: | ||
11 | * | ||
12 | * As a special exception, the copyright holders of this software give you | ||
13 | * permission to link this software with independent modules, and to copy and | ||
14 | * distribute the resulting executable under terms of your choice, provided that | ||
15 | * you also meet, for each linked independent module, the terms and conditions of | ||
16 | * the license of that module. An independent module is a module which is not | ||
17 | * derived from this software. The special exception does not apply to any | ||
18 | * modifications of the software. | ||
19 | * | ||
20 | * Notwithstanding the above, under no circumstances may you combine this | ||
21 | * software in any way with any other Broadcom software provided under a license | ||
22 | * other than the GPL, without Broadcom's express prior written consent. | ||
23 | * | ||
24 | * $Id: bcmsdh_linux.c,v 1.42.10.10.2.14.4.2 2010/09/15 00:30:11 Exp $ | ||
25 | */ | ||
26 | |||
27 | /** | ||
28 | * @file bcmsdh_linux.c | ||
29 | */ | ||
30 | |||
31 | #define __UNDEF_NO_VERSION__ | ||
32 | |||
33 | #include <typedefs.h> | ||
34 | #include <linuxver.h> | ||
35 | |||
36 | #include <linux/pci.h> | ||
37 | #include <linux/completion.h> | ||
38 | |||
39 | #include <osl.h> | ||
40 | #include <pcicfg.h> | ||
41 | #include <bcmdefs.h> | ||
42 | #include <bcmdevs.h> | ||
43 | |||
44 | #if defined(OOB_INTR_ONLY) | ||
45 | #include <linux/irq.h> | ||
46 | extern void dhdsdio_isr(void * args); | ||
47 | #include <bcmutils.h> | ||
48 | #include <dngl_stats.h> | ||
49 | #include <dhd.h> | ||
50 | #endif /* defined(OOB_INTR_ONLY) */ | ||
51 | #if defined(CONFIG_MACH_SANDGATE2G) || defined(CONFIG_MACH_LOGICPD_PXA270) | ||
52 | #if !defined(BCMPLATFORM_BUS) | ||
53 | #define BCMPLATFORM_BUS | ||
54 | #endif /* !defined(BCMPLATFORM_BUS) */ | ||
55 | |||
56 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19)) | ||
57 | #include <linux/platform_device.h> | ||
58 | #endif /* KERNEL_VERSION(2, 6, 19) */ | ||
59 | #endif /* CONFIG_MACH_SANDGATE2G || CONFIG_MACH_LOGICPD_PXA270 */ | ||
60 | |||
61 | /** | ||
62 | * SDIO Host Controller info | ||
63 | */ | ||
64 | typedef struct bcmsdh_hc bcmsdh_hc_t; | ||
65 | |||
66 | struct bcmsdh_hc { | ||
67 | bcmsdh_hc_t *next; | ||
68 | #ifdef BCMPLATFORM_BUS | ||
69 | struct device *dev; /* platform device handle */ | ||
70 | #else | ||
71 | struct pci_dev *dev; /* pci device handle */ | ||
72 | #endif /* BCMPLATFORM_BUS */ | ||
73 | osl_t *osh; | ||
74 | void *regs; /* SDIO Host Controller address */ | ||
75 | bcmsdh_info_t *sdh; /* SDIO Host Controller handle */ | ||
76 | void *ch; | ||
77 | unsigned int oob_irq; | ||
78 | unsigned long oob_flags; /* OOB Host specifiction as edge and etc */ | ||
79 | bool oob_irq_registered; | ||
80 | #if defined(OOB_INTR_ONLY) | ||
81 | spinlock_t irq_lock; | ||
82 | #endif | ||
83 | }; | ||
84 | static bcmsdh_hc_t *sdhcinfo = NULL; | ||
85 | |||
86 | /* driver info, initialized when bcmsdh_register is called */ | ||
87 | static bcmsdh_driver_t drvinfo = {NULL, NULL}; | ||
88 | |||
89 | /* debugging macros */ | ||
90 | #define SDLX_MSG(x) | ||
91 | |||
92 | /** | ||
93 | * Checks to see if vendor and device IDs match a supported SDIO Host Controller. | ||
94 | */ | ||
95 | bool | ||
96 | bcmsdh_chipmatch(uint16 vendor, uint16 device) | ||
97 | { | ||
98 | /* Add other vendors and devices as required */ | ||
99 | |||
100 | #ifdef BCMSDIOH_STD | ||
101 | /* Check for Arasan host controller */ | ||
102 | if (vendor == VENDOR_SI_IMAGE) { | ||
103 | return (TRUE); | ||
104 | } | ||
105 | /* Check for BRCM 27XX Standard host controller */ | ||
106 | if (device == BCM27XX_SDIOH_ID && vendor == VENDOR_BROADCOM) { | ||
107 | return (TRUE); | ||
108 | } | ||
109 | /* Check for BRCM Standard host controller */ | ||
110 | if (device == SDIOH_FPGA_ID && vendor == VENDOR_BROADCOM) { | ||
111 | return (TRUE); | ||
112 | } | ||
113 | /* Check for TI PCIxx21 Standard host controller */ | ||
114 | if (device == PCIXX21_SDIOH_ID && vendor == VENDOR_TI) { | ||
115 | return (TRUE); | ||
116 | } | ||
117 | if (device == PCIXX21_SDIOH0_ID && vendor == VENDOR_TI) { | ||
118 | return (TRUE); | ||
119 | } | ||
120 | /* Ricoh R5C822 Standard SDIO Host */ | ||
121 | if (device == R5C822_SDIOH_ID && vendor == VENDOR_RICOH) { | ||
122 | return (TRUE); | ||
123 | } | ||
124 | /* JMicron Standard SDIO Host */ | ||
125 | if (device == JMICRON_SDIOH_ID && vendor == VENDOR_JMICRON) { | ||
126 | return (TRUE); | ||
127 | } | ||
128 | |||
129 | #endif /* BCMSDIOH_STD */ | ||
130 | #ifdef BCMSDIOH_SPI | ||
131 | /* This is the PciSpiHost. */ | ||
132 | if (device == SPIH_FPGA_ID && vendor == VENDOR_BROADCOM) { | ||
133 | printf("Found PCI SPI Host Controller\n"); | ||
134 | return (TRUE); | ||
135 | } | ||
136 | |||
137 | #endif /* BCMSDIOH_SPI */ | ||
138 | |||
139 | return (FALSE); | ||
140 | } | ||
141 | |||
142 | #if defined(BCMPLATFORM_BUS) | ||
143 | #if defined(BCMLXSDMMC) | ||
144 | /* forward declarations */ | ||
145 | int bcmsdh_probe(struct device *dev); | ||
146 | int bcmsdh_remove(struct device *dev); | ||
147 | |||
148 | EXPORT_SYMBOL(bcmsdh_probe); | ||
149 | EXPORT_SYMBOL(bcmsdh_remove); | ||
150 | |||
151 | #else | ||
152 | /* forward declarations */ | ||
153 | static int __devinit bcmsdh_probe(struct device *dev); | ||
154 | static int __devexit bcmsdh_remove(struct device *dev); | ||
155 | #endif /* BCMLXSDMMC */ | ||
156 | |||
157 | #ifndef BCMLXSDMMC | ||
158 | static struct device_driver bcmsdh_driver = { | ||
159 | .name = "pxa2xx-mci", | ||
160 | .bus = &platform_bus_type, | ||
161 | .probe = bcmsdh_probe, | ||
162 | .remove = bcmsdh_remove, | ||
163 | .suspend = NULL, | ||
164 | .resume = NULL, | ||
165 | }; | ||
166 | #endif /* BCMLXSDMMC */ | ||
167 | |||
168 | #ifndef BCMLXSDMMC | ||
169 | static | ||
170 | #endif /* BCMLXSDMMC */ | ||
171 | int bcmsdh_probe(struct device *dev) | ||
172 | { | ||
173 | osl_t *osh = NULL; | ||
174 | bcmsdh_hc_t *sdhc = NULL; | ||
175 | ulong regs = 0; | ||
176 | bcmsdh_info_t *sdh = NULL; | ||
177 | #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) | ||
178 | struct platform_device *pdev; | ||
179 | struct resource *r; | ||
180 | #endif /* BCMLXSDMMC */ | ||
181 | int irq = 0; | ||
182 | uint32 vendevid; | ||
183 | unsigned long irq_flags = 0; | ||
184 | |||
185 | #if !defined(BCMLXSDMMC) && defined(BCMPLATFORM_BUS) | ||
186 | pdev = to_platform_device(dev); | ||
187 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
188 | irq = platform_get_irq(pdev, 0); | ||
189 | if (!r || irq == NO_IRQ) | ||
190 | return -ENXIO; | ||
191 | #endif /* BCMLXSDMMC */ | ||
192 | |||
193 | #if defined(OOB_INTR_ONLY) | ||
194 | #ifdef HW_OOB | ||
195 | irq_flags = \ | ||
196 | IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE; | ||
197 | #else | ||
198 | irq_flags = IRQF_TRIGGER_FALLING; | ||
199 | #endif /* HW_OOB */ | ||
200 | irq = dhd_customer_oob_irq_map(&irq_flags); | ||
201 | if (irq < 0) { | ||
202 | SDLX_MSG(("%s: Host irq is not defined\n", __FUNCTION__)); | ||
203 | return 1; | ||
204 | } | ||
205 | #endif /* defined(OOB_INTR_ONLY) */ | ||
206 | /* allocate SDIO Host Controller state info */ | ||
207 | if (!(osh = osl_attach(dev, PCI_BUS, FALSE))) { | ||
208 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
209 | goto err; | ||
210 | } | ||
211 | if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) { | ||
212 | SDLX_MSG(("%s: out of memory, allocated %d bytes\n", | ||
213 | __FUNCTION__, | ||
214 | MALLOCED(osh))); | ||
215 | goto err; | ||
216 | } | ||
217 | bzero(sdhc, sizeof(bcmsdh_hc_t)); | ||
218 | sdhc->osh = osh; | ||
219 | |||
220 | sdhc->dev = (void *)dev; | ||
221 | |||
222 | #ifdef BCMLXSDMMC | ||
223 | if (!(sdh = bcmsdh_attach(osh, (void *)0, | ||
224 | (void **)®s, irq))) { | ||
225 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
226 | goto err; | ||
227 | } | ||
228 | #else | ||
229 | if (!(sdh = bcmsdh_attach(osh, (void *)r->start, | ||
230 | (void **)®s, irq))) { | ||
231 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
232 | goto err; | ||
233 | } | ||
234 | #endif /* BCMLXSDMMC */ | ||
235 | sdhc->sdh = sdh; | ||
236 | sdhc->oob_irq = irq; | ||
237 | sdhc->oob_flags = irq_flags; | ||
238 | sdhc->oob_irq_registered = FALSE; /* to make sure.. */ | ||
239 | #if defined(OOB_INTR_ONLY) | ||
240 | spin_lock_init(&sdhc->irq_lock); | ||
241 | #endif | ||
242 | |||
243 | /* chain SDIO Host Controller info together */ | ||
244 | sdhc->next = sdhcinfo; | ||
245 | sdhcinfo = sdhc; | ||
246 | /* Read the vendor/device ID from the CIS */ | ||
247 | vendevid = bcmsdh_query_device(sdh); | ||
248 | |||
249 | /* try to attach to the target device */ | ||
250 | if (!(sdhc->ch = drvinfo.attach((vendevid >> 16), | ||
251 | (vendevid & 0xFFFF), 0, 0, 0, 0, | ||
252 | (void *)regs, NULL, sdh, dev))) { | ||
253 | SDLX_MSG(("%s: device attach failed\n", __FUNCTION__)); | ||
254 | goto err; | ||
255 | } | ||
256 | |||
257 | return 0; | ||
258 | |||
259 | /* error handling */ | ||
260 | err: | ||
261 | if (sdhc) { | ||
262 | if (sdhc->sdh) | ||
263 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
264 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
265 | } | ||
266 | if (osh) | ||
267 | osl_detach(osh); | ||
268 | return -ENODEV; | ||
269 | } | ||
270 | |||
271 | #ifndef BCMLXSDMMC | ||
272 | static | ||
273 | #endif /* BCMLXSDMMC */ | ||
274 | int bcmsdh_remove(struct device *dev) | ||
275 | { | ||
276 | bcmsdh_hc_t *sdhc, *prev; | ||
277 | osl_t *osh; | ||
278 | |||
279 | sdhc = sdhcinfo; | ||
280 | drvinfo.detach(sdhc->ch); | ||
281 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
282 | /* find the SDIO Host Controller state for this pdev and take it out from the list */ | ||
283 | for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) { | ||
284 | if (sdhc->dev == (void *)dev) { | ||
285 | if (prev) | ||
286 | prev->next = sdhc->next; | ||
287 | else | ||
288 | sdhcinfo = NULL; | ||
289 | break; | ||
290 | } | ||
291 | prev = sdhc; | ||
292 | } | ||
293 | if (!sdhc) { | ||
294 | SDLX_MSG(("%s: failed\n", __FUNCTION__)); | ||
295 | return 0; | ||
296 | } | ||
297 | |||
298 | |||
299 | /* release SDIO Host Controller info */ | ||
300 | osh = sdhc->osh; | ||
301 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
302 | osl_detach(osh); | ||
303 | |||
304 | #if !defined(BCMLXSDMMC) || defined(OOB_INTR_ONLY) | ||
305 | dev_set_drvdata(dev, NULL); | ||
306 | #endif /* !defined(BCMLXSDMMC) */ | ||
307 | |||
308 | return 0; | ||
309 | } | ||
310 | |||
311 | #else /* BCMPLATFORM_BUS */ | ||
312 | |||
313 | #if !defined(BCMLXSDMMC) | ||
314 | /* forward declarations for PCI probe and remove functions. */ | ||
315 | static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent); | ||
316 | static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev); | ||
317 | |||
318 | /** | ||
319 | * pci id table | ||
320 | */ | ||
321 | static struct pci_device_id bcmsdh_pci_devid[] __devinitdata = { | ||
322 | { vendor: PCI_ANY_ID, | ||
323 | device: PCI_ANY_ID, | ||
324 | subvendor: PCI_ANY_ID, | ||
325 | subdevice: PCI_ANY_ID, | ||
326 | class: 0, | ||
327 | class_mask: 0, | ||
328 | driver_data: 0, | ||
329 | }, | ||
330 | { 0, } | ||
331 | }; | ||
332 | MODULE_DEVICE_TABLE(pci, bcmsdh_pci_devid); | ||
333 | |||
334 | /** | ||
335 | * SDIO Host Controller pci driver info | ||
336 | */ | ||
337 | static struct pci_driver bcmsdh_pci_driver = { | ||
338 | node: {}, | ||
339 | name: "bcmsdh", | ||
340 | id_table: bcmsdh_pci_devid, | ||
341 | probe: bcmsdh_pci_probe, | ||
342 | remove: bcmsdh_pci_remove, | ||
343 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
344 | save_state: NULL, | ||
345 | #endif | ||
346 | suspend: NULL, | ||
347 | resume: NULL, | ||
348 | }; | ||
349 | |||
350 | |||
351 | extern uint sd_pci_slot; /* Force detection to a particular PCI */ | ||
352 | /* slot only . Allows for having multiple */ | ||
353 | /* WL devices at once in a PC */ | ||
354 | /* Only one instance of dhd will be */ | ||
355 | /* usable at a time */ | ||
356 | /* Upper word is bus number, */ | ||
357 | /* lower word is slot number */ | ||
358 | /* Default value of 0xFFFFffff turns this */ | ||
359 | /* off */ | ||
360 | module_param(sd_pci_slot, uint, 0); | ||
361 | |||
362 | |||
363 | /** | ||
364 | * Detect supported SDIO Host Controller and attach if found. | ||
365 | * | ||
366 | * Determine if the device described by pdev is a supported SDIO Host | ||
367 | * Controller. If so, attach to it and attach to the target device. | ||
368 | */ | ||
369 | static int __devinit | ||
370 | bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | ||
371 | { | ||
372 | osl_t *osh = NULL; | ||
373 | bcmsdh_hc_t *sdhc = NULL; | ||
374 | ulong regs; | ||
375 | bcmsdh_info_t *sdh = NULL; | ||
376 | int rc; | ||
377 | |||
378 | if (sd_pci_slot != 0xFFFFffff) { | ||
379 | if (pdev->bus->number != (sd_pci_slot>>16) || | ||
380 | PCI_SLOT(pdev->devfn) != (sd_pci_slot&0xffff)) { | ||
381 | SDLX_MSG(("%s: %s: bus %X, slot %X, vend %X, dev %X\n", | ||
382 | __FUNCTION__, | ||
383 | bcmsdh_chipmatch(pdev->vendor, pdev->device) ? | ||
384 | "Found compatible SDIOHC" : | ||
385 | "Probing unknown device", | ||
386 | pdev->bus->number, PCI_SLOT(pdev->devfn), | ||
387 | pdev->vendor, pdev->device)); | ||
388 | return -ENODEV; | ||
389 | } | ||
390 | SDLX_MSG(("%s: %s: bus %X, slot %X, vendor %X, device %X (good PCI location)\n", | ||
391 | __FUNCTION__, | ||
392 | bcmsdh_chipmatch(pdev->vendor, pdev->device) ? | ||
393 | "Using compatible SDIOHC" : | ||
394 | "WARNING, forced use of unkown device", | ||
395 | pdev->bus->number, PCI_SLOT(pdev->devfn), | ||
396 | pdev->vendor, pdev->device)); | ||
397 | } | ||
398 | |||
399 | if ((pdev->vendor == VENDOR_TI) && ((pdev->device == PCIXX21_FLASHMEDIA_ID) || | ||
400 | (pdev->device == PCIXX21_FLASHMEDIA0_ID))) { | ||
401 | uint32 config_reg; | ||
402 | |||
403 | SDLX_MSG(("%s: Disabling TI FlashMedia Controller.\n", __FUNCTION__)); | ||
404 | if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) { | ||
405 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
406 | goto err; | ||
407 | } | ||
408 | |||
409 | config_reg = OSL_PCI_READ_CONFIG(osh, 0x4c, 4); | ||
410 | |||
411 | /* | ||
412 | * Set MMC_SD_DIS bit in FlashMedia Controller. | ||
413 | * Disbling the SD/MMC Controller in the FlashMedia Controller | ||
414 | * allows the Standard SD Host Controller to take over control | ||
415 | * of the SD Slot. | ||
416 | */ | ||
417 | config_reg |= 0x02; | ||
418 | OSL_PCI_WRITE_CONFIG(osh, 0x4c, 4, config_reg); | ||
419 | osl_detach(osh); | ||
420 | } | ||
421 | /* match this pci device with what we support */ | ||
422 | /* we can't solely rely on this to believe it is our SDIO Host Controller! */ | ||
423 | if (!bcmsdh_chipmatch(pdev->vendor, pdev->device)) { | ||
424 | return -ENODEV; | ||
425 | } | ||
426 | |||
427 | /* this is a pci device we might support */ | ||
428 | SDLX_MSG(("%s: Found possible SDIO Host Controller: bus %d slot %d func %d irq %d\n", | ||
429 | __FUNCTION__, | ||
430 | pdev->bus->number, PCI_SLOT(pdev->devfn), | ||
431 | PCI_FUNC(pdev->devfn), pdev->irq)); | ||
432 | |||
433 | /* use bcmsdh_query_device() to get the vendor ID of the target device so | ||
434 | * it will eventually appear in the Broadcom string on the console | ||
435 | */ | ||
436 | |||
437 | /* allocate SDIO Host Controller state info */ | ||
438 | if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) { | ||
439 | SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__)); | ||
440 | goto err; | ||
441 | } | ||
442 | if (!(sdhc = MALLOC(osh, sizeof(bcmsdh_hc_t)))) { | ||
443 | SDLX_MSG(("%s: out of memory, allocated %d bytes\n", | ||
444 | __FUNCTION__, | ||
445 | MALLOCED(osh))); | ||
446 | goto err; | ||
447 | } | ||
448 | bzero(sdhc, sizeof(bcmsdh_hc_t)); | ||
449 | sdhc->osh = osh; | ||
450 | |||
451 | sdhc->dev = pdev; | ||
452 | |||
453 | /* map to address where host can access */ | ||
454 | pci_set_master(pdev); | ||
455 | rc = pci_enable_device(pdev); | ||
456 | if (rc) { | ||
457 | SDLX_MSG(("%s: Cannot enable PCI device\n", __FUNCTION__)); | ||
458 | goto err; | ||
459 | } | ||
460 | if (!(sdh = bcmsdh_attach(osh, (void *)(uintptr)pci_resource_start(pdev, 0), | ||
461 | (void **)®s, pdev->irq))) { | ||
462 | SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__)); | ||
463 | goto err; | ||
464 | } | ||
465 | |||
466 | sdhc->sdh = sdh; | ||
467 | |||
468 | /* try to attach to the target device */ | ||
469 | if (!(sdhc->ch = drvinfo.attach(VENDOR_BROADCOM, /* pdev->vendor, */ | ||
470 | bcmsdh_query_device(sdh) & 0xFFFF, 0, 0, 0, 0, | ||
471 | (void *)regs, NULL, sdh, pdev->dev))) { | ||
472 | SDLX_MSG(("%s: device attach failed\n", __FUNCTION__)); | ||
473 | goto err; | ||
474 | } | ||
475 | |||
476 | /* chain SDIO Host Controller info together */ | ||
477 | sdhc->next = sdhcinfo; | ||
478 | sdhcinfo = sdhc; | ||
479 | |||
480 | return 0; | ||
481 | |||
482 | /* error handling */ | ||
483 | err: | ||
484 | if (sdhc->sdh) | ||
485 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
486 | if (sdhc) | ||
487 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
488 | if (osh) | ||
489 | osl_detach(osh); | ||
490 | return -ENODEV; | ||
491 | } | ||
492 | |||
493 | |||
494 | /** | ||
495 | * Detach from target devices and SDIO Host Controller | ||
496 | */ | ||
497 | static void __devexit | ||
498 | bcmsdh_pci_remove(struct pci_dev *pdev) | ||
499 | { | ||
500 | bcmsdh_hc_t *sdhc, *prev; | ||
501 | osl_t *osh; | ||
502 | |||
503 | /* find the SDIO Host Controller state for this pdev and take it out from the list */ | ||
504 | for (sdhc = sdhcinfo, prev = NULL; sdhc; sdhc = sdhc->next) { | ||
505 | if (sdhc->dev == pdev) { | ||
506 | if (prev) | ||
507 | prev->next = sdhc->next; | ||
508 | else | ||
509 | sdhcinfo = NULL; | ||
510 | break; | ||
511 | } | ||
512 | prev = sdhc; | ||
513 | } | ||
514 | if (!sdhc) | ||
515 | return; | ||
516 | |||
517 | drvinfo.detach(sdhc->ch); | ||
518 | |||
519 | bcmsdh_detach(sdhc->osh, sdhc->sdh); | ||
520 | |||
521 | /* release SDIO Host Controller info */ | ||
522 | osh = sdhc->osh; | ||
523 | MFREE(osh, sdhc, sizeof(bcmsdh_hc_t)); | ||
524 | osl_detach(osh); | ||
525 | } | ||
526 | #endif /* BCMLXSDMMC */ | ||
527 | #endif /* BCMPLATFORM_BUS */ | ||
528 | |||
529 | extern int sdio_function_init(void); | ||
530 | |||
531 | int | ||
532 | bcmsdh_register(bcmsdh_driver_t *driver) | ||
533 | { | ||
534 | int error = 0; | ||
535 | |||
536 | drvinfo = *driver; | ||
537 | |||
538 | #if defined(BCMPLATFORM_BUS) | ||
539 | #if defined(BCMLXSDMMC) | ||
540 | SDLX_MSG(("Linux Kernel SDIO/MMC Driver\n")); | ||
541 | error = sdio_function_init(); | ||
542 | #else | ||
543 | SDLX_MSG(("Intel PXA270 SDIO Driver\n")); | ||
544 | error = driver_register(&bcmsdh_driver); | ||
545 | #endif /* defined(BCMLXSDMMC) */ | ||
546 | return error; | ||
547 | #endif /* defined(BCMPLATFORM_BUS) */ | ||
548 | |||
549 | #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
550 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
551 | if (!(error = pci_module_init(&bcmsdh_pci_driver))) | ||
552 | return 0; | ||
553 | #else | ||
554 | if (!(error = pci_register_driver(&bcmsdh_pci_driver))) | ||
555 | return 0; | ||
556 | #endif | ||
557 | |||
558 | SDLX_MSG(("%s: pci_module_init failed 0x%x\n", __FUNCTION__, error)); | ||
559 | #endif /* BCMPLATFORM_BUS */ | ||
560 | |||
561 | return error; | ||
562 | } | ||
563 | |||
564 | extern void sdio_function_cleanup(void); | ||
565 | |||
566 | void | ||
567 | bcmsdh_unregister(void) | ||
568 | { | ||
569 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)) | ||
570 | if (bcmsdh_pci_driver.node.next) | ||
571 | #endif | ||
572 | |||
573 | #if defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
574 | driver_unregister(&bcmsdh_driver); | ||
575 | #endif | ||
576 | #if defined(BCMLXSDMMC) | ||
577 | sdio_function_cleanup(); | ||
578 | #endif /* BCMLXSDMMC */ | ||
579 | #if !defined(BCMPLATFORM_BUS) && !defined(BCMLXSDMMC) | ||
580 | pci_unregister_driver(&bcmsdh_pci_driver); | ||
581 | #endif /* BCMPLATFORM_BUS */ | ||
582 | } | ||
583 | |||
584 | #if defined(OOB_INTR_ONLY) | ||
585 | void bcmsdh_oob_intr_set(bool enable) | ||
586 | { | ||
587 | static bool curstate = 1; | ||
588 | unsigned long flags; | ||
589 | |||
590 | spin_lock_irqsave(&sdhcinfo->irq_lock, flags); | ||
591 | if (curstate != enable) { | ||
592 | if (enable) | ||
593 | enable_irq(sdhcinfo->oob_irq); | ||
594 | else | ||
595 | disable_irq_nosync(sdhcinfo->oob_irq); | ||
596 | curstate = enable; | ||
597 | } | ||
598 | spin_unlock_irqrestore(&sdhcinfo->irq_lock, flags); | ||
599 | } | ||
600 | |||
601 | static irqreturn_t wlan_oob_irq(int irq, void *dev_id) | ||
602 | { | ||
603 | dhd_pub_t *dhdp; | ||
604 | |||
605 | dhdp = (dhd_pub_t *)dev_get_drvdata(sdhcinfo->dev); | ||
606 | |||
607 | bcmsdh_oob_intr_set(0); | ||
608 | |||
609 | if (dhdp == NULL) { | ||
610 | SDLX_MSG(("Out of band GPIO interrupt fired way too early\n")); | ||
611 | return IRQ_HANDLED; | ||
612 | } | ||
613 | |||
614 | dhdsdio_isr((void *)dhdp->bus); | ||
615 | |||
616 | return IRQ_HANDLED; | ||
617 | } | ||
618 | |||
619 | int bcmsdh_register_oob_intr(void * dhdp) | ||
620 | { | ||
621 | int error = 0; | ||
622 | |||
623 | SDLX_MSG(("%s Enter\n", __FUNCTION__)); | ||
624 | |||
625 | /* Example of HW_OOB for HW2: please refer to your host specifiction */ | ||
626 | /* sdhcinfo->oob_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE; */ | ||
627 | |||
628 | dev_set_drvdata(sdhcinfo->dev, dhdp); | ||
629 | |||
630 | if (!sdhcinfo->oob_irq_registered) { | ||
631 | SDLX_MSG(("%s IRQ=%d Type=%X \n", __FUNCTION__, \ | ||
632 | (int)sdhcinfo->oob_irq, (int)sdhcinfo->oob_flags)); | ||
633 | /* Refer to customer Host IRQ docs about proper irqflags definition */ | ||
634 | error = request_irq(sdhcinfo->oob_irq, wlan_oob_irq, sdhcinfo->oob_flags, | ||
635 | "bcmsdh_sdmmc", NULL); | ||
636 | if (error) | ||
637 | return -ENODEV; | ||
638 | |||
639 | enable_irq_wake(sdhcinfo->oob_irq); | ||
640 | sdhcinfo->oob_irq_registered = TRUE; | ||
641 | } | ||
642 | |||
643 | return 0; | ||
644 | } | ||
645 | |||
646 | void bcmsdh_set_irq(int flag) | ||
647 | { | ||
648 | if (sdhcinfo->oob_irq_registered) { | ||
649 | SDLX_MSG(("%s Flag = %d", __FUNCTION__, flag)); | ||
650 | if (flag) { | ||
651 | enable_irq(sdhcinfo->oob_irq); | ||
652 | enable_irq_wake(sdhcinfo->oob_irq); | ||
653 | } else { | ||
654 | disable_irq_wake(sdhcinfo->oob_irq); | ||
655 | disable_irq(sdhcinfo->oob_irq); | ||
656 | } | ||
657 | } | ||
658 | } | ||
659 | |||
660 | void bcmsdh_unregister_oob_intr(void) | ||
661 | { | ||
662 | SDLX_MSG(("%s: Enter\n", __FUNCTION__)); | ||
663 | |||
664 | if (sdhcinfo->oob_irq_registered) { | ||
665 | disable_irq_wake(sdhcinfo->oob_irq); | ||
666 | disable_irq(sdhcinfo->oob_irq); /* just in case.. */ | ||
667 | free_irq(sdhcinfo->oob_irq, NULL); | ||
668 | sdhcinfo->oob_irq_registered = FALSE; | ||
669 | } | ||
670 | } | ||
671 | #endif /* defined(OOB_INTR_ONLY) */ | ||
672 | /* Module parameters specific to each host-controller driver */ | ||
673 | |||
674 | extern uint sd_msglevel; /* Debug message level */ | ||
675 | module_param(sd_msglevel, uint, 0); | ||
676 | |||
677 | extern uint sd_power; /* 0 = SD Power OFF, 1 = SD Power ON. */ | ||
678 | module_param(sd_power, uint, 0); | ||
679 | |||
680 | extern uint sd_clock; /* SD Clock Control, 0 = SD Clock OFF, 1 = SD Clock ON */ | ||
681 | module_param(sd_clock, uint, 0); | ||
682 | |||
683 | extern uint sd_divisor; /* Divisor (-1 means external clock) */ | ||
684 | module_param(sd_divisor, uint, 0); | ||
685 | |||
686 | extern uint sd_sdmode; /* Default is SD4, 0=SPI, 1=SD1, 2=SD4 */ | ||
687 | module_param(sd_sdmode, uint, 0); | ||
688 | |||
689 | extern uint sd_hiok; /* Ok to use hi-speed mode */ | ||
690 | module_param(sd_hiok, uint, 0); | ||
691 | |||
692 | extern uint sd_f2_blocksize; | ||
693 | module_param(sd_f2_blocksize, int, 0); | ||
694 | |||
695 | |||
696 | #ifdef BCMSDH_MODULE | ||
697 | EXPORT_SYMBOL(bcmsdh_attach); | ||
698 | EXPORT_SYMBOL(bcmsdh_detach); | ||
699 | EXPORT_SYMBOL(bcmsdh_intr_query); | ||
700 | EXPORT_SYMBOL(bcmsdh_intr_enable); | ||
701 | EXPORT_SYMBOL(bcmsdh_intr_disable); | ||
702 | EXPORT_SYMBOL(bcmsdh_intr_reg); | ||
703 | EXPORT_SYMBOL(bcmsdh_intr_dereg); | ||
704 | |||
705 | #if defined(DHD_DEBUG) | ||
706 | EXPORT_SYMBOL(bcmsdh_intr_pending); | ||
707 | #endif | ||
708 | |||
709 | EXPORT_SYMBOL(bcmsdh_devremove_reg); | ||
710 | EXPORT_SYMBOL(bcmsdh_cfg_read); | ||
711 | EXPORT_SYMBOL(bcmsdh_cfg_write); | ||
712 | EXPORT_SYMBOL(bcmsdh_cis_read); | ||
713 | EXPORT_SYMBOL(bcmsdh_reg_read); | ||
714 | EXPORT_SYMBOL(bcmsdh_reg_write); | ||
715 | EXPORT_SYMBOL(bcmsdh_regfail); | ||
716 | EXPORT_SYMBOL(bcmsdh_send_buf); | ||
717 | EXPORT_SYMBOL(bcmsdh_recv_buf); | ||
718 | |||
719 | EXPORT_SYMBOL(bcmsdh_rwdata); | ||
720 | EXPORT_SYMBOL(bcmsdh_abort); | ||
721 | EXPORT_SYMBOL(bcmsdh_query_device); | ||
722 | EXPORT_SYMBOL(bcmsdh_query_iofnum); | ||
723 | EXPORT_SYMBOL(bcmsdh_iovar_op); | ||
724 | EXPORT_SYMBOL(bcmsdh_register); | ||
725 | EXPORT_SYMBOL(bcmsdh_unregister); | ||
726 | EXPORT_SYMBOL(bcmsdh_chipmatch); | ||
727 | EXPORT_SYMBOL(bcmsdh_reset); | ||
728 | |||
729 | EXPORT_SYMBOL(bcmsdh_get_dstatus); | ||
730 | EXPORT_SYMBOL(bcmsdh_cfg_read_word); | ||
731 | EXPORT_SYMBOL(bcmsdh_cfg_write_word); | ||
732 | EXPORT_SYMBOL(bcmsdh_cur_sbwad); | ||
733 | EXPORT_SYMBOL(bcmsdh_chipinfo); | ||
734 | |||
735 | #endif /* BCMSDH_MODULE */ | ||