1 /*
2 * BCMSDH interface glue
3 * implement bcmsdh API for SDIOH driver
4 *
5 * Copyright (C) 2020, Broadcom.
6 *
7 * Unless you and Broadcom execute a separate written software license
8 * agreement governing use of this software, this software is licensed to you
9 * under the terms of the GNU General Public License version 2 (the "GPL"),
10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
11 * following added to such license:
12 *
13 * As a special exception, the copyright holders of this software give you
14 * permission to link this software with independent modules, and to copy and
15 * distribute the resulting executable under terms of your choice, provided that
16 * you also meet, for each linked independent module, the terms and conditions of
17 * the license of that module. An independent module is a module which is not
18 * derived from this software. The special exception does not apply to any
19 * modifications of the software.
20 *
21 *
22 * <<Broadcom-WL-IPTag/Open:>>
23 *
24 * $Id$
25 */
26
27 /**
28 * @file bcmsdh.c
29 */
30
31 /* ****************** BCMSDH Interface Functions *************************** */
32
33 #include <typedefs.h>
34 #include <bcmdevs.h>
35 #include <bcmendian.h>
36 #include <bcmutils.h>
37 #include <hndsoc.h>
38 #include <siutils.h>
39 #if !defined(BCMDONGLEHOST)
40 #include <bcmsrom.h>
41 #endif /* !defined(BCMDONGLEHOST) */
42 #include <osl.h>
43
44 #include <bcmsdh.h> /* BRCM API for SDIO clients (such as wl, dhd) */
45 #include <bcmsdbus.h> /* common SDIO/controller interface */
46 #include <sbsdio.h> /* SDIO device core hardware definitions. */
47 #include <sdio.h> /* SDIO Device and Protocol Specs */
48
49 #if defined (BT_OVER_SDIO)
50 #include <dhd_bt_interface.h>
51 #endif /* defined (BT_OVER_SDIO) */
52
53 #define SDIOH_API_ACCESS_RETRY_LIMIT 2
54 const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL;
55
56 /* local copy of bcm sd handler */
57 bcmsdh_info_t * l_bcmsdh = NULL;
58
59 #if defined (BT_OVER_SDIO)
60 struct sdio_func *func_f3 = NULL;
61 static f3intr_handler processf3intr = NULL;
62 static dhd_hang_notification process_dhd_hang_notification = NULL;
63 static dhd_hang_state_t g_dhd_hang_state = NO_HANG_STATE;
64 #endif /* defined (BT_OVER_SDIO) */
65
66 #if defined(NDIS) && (NDISVER < 0x0630)
67 extern SDIOH_API_RC sdioh_detach(osl_t *osh, sdioh_info_t *sd);
68 #endif
69
70 #if defined(OOB_INTR_ONLY) && defined(HW_OOB) || defined(FORCE_WOWLAN)
71 extern int
72 sdioh_enable_hw_oob_intr(void *sdioh, bool enable);
73
74 void
bcmsdh_enable_hw_oob_intr(bcmsdh_info_t * sdh,bool enable)75 bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
76 {
77 sdioh_enable_hw_oob_intr(sdh->sdioh, enable);
78 }
79 #endif
80
81 #if defined (BT_OVER_SDIO)
bcmsdh_btsdio_process_hang_state(dhd_hang_state_t new_state)82 void bcmsdh_btsdio_process_hang_state(dhd_hang_state_t new_state)
83 {
84 bool state_change = false;
85
86 BCMSDH_ERROR(("%s: DHD hang state changed - [%d] -> [%d]\n",
87 __FUNCTION__, g_dhd_hang_state, new_state));
88
89 if (g_dhd_hang_state == new_state)
90 return;
91
92 switch (g_dhd_hang_state) {
93 case NO_HANG_STATE:
94 if (HANG_START_STATE == new_state)
95 state_change = true;
96 break;
97
98 case HANG_START_STATE:
99 if (HANG_RECOVERY_STATE == new_state ||
100 NO_HANG_STATE == new_state)
101 state_change = true;
102
103 break;
104
105 case HANG_RECOVERY_STATE:
106 if (NO_HANG_STATE == new_state)
107 state_change = true;
108 break;
109
110 default:
111 BCMSDH_ERROR(("%s: Unhandled Hang state\n", __FUNCTION__));
112 break;
113 }
114
115 if (!state_change) {
116 BCMSDH_ERROR(("%s: Hang state cannot be changed\n", __FUNCTION__));
117 return;
118 }
119
120 g_dhd_hang_state = new_state;
121 }
122
bcmsdh_btsdio_process_f3_intr(void)123 void bcmsdh_btsdio_process_f3_intr(void)
124 {
125 if (processf3intr && (g_dhd_hang_state == NO_HANG_STATE))
126 processf3intr(func_f3);
127 }
128
bcmsdh_btsdio_process_dhd_hang_notification(bool wifi_recovery_completed)129 void bcmsdh_btsdio_process_dhd_hang_notification(bool wifi_recovery_completed)
130 {
131 bcmsdh_btsdio_process_hang_state(HANG_START_STATE);
132
133 if (process_dhd_hang_notification)
134 process_dhd_hang_notification(func_f3, wifi_recovery_completed);
135
136 /* WiFi was off, so HANG_RECOVERY_STATE is not needed */
137 if (wifi_recovery_completed)
138 bcmsdh_btsdio_process_hang_state(NO_HANG_STATE);
139 else {
140 bcmsdh_btsdio_process_hang_state(HANG_RECOVERY_STATE);
141 }
142 }
143
bcmsdh_btsdio_interface_init(struct sdio_func * func,f3intr_handler f3intr_fun,dhd_hang_notification hang_notification)144 void bcmsdh_btsdio_interface_init(struct sdio_func *func,
145 f3intr_handler f3intr_fun, dhd_hang_notification hang_notification)
146 {
147 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)l_bcmsdh;
148 BCMSDH_INFO(("%s: func %p \n", __FUNCTION__, func));
149 func_f3 = func;
150 processf3intr = f3intr_fun;
151 sdioh_sdmmc_card_enable_func_f3(bcmsdh->sdioh, func);
152 process_dhd_hang_notification = hang_notification;
153
154 } EXPORT_SYMBOL(bcmsdh_btsdio_interface_init);
155 #endif /* defined (BT_OVER_SDIO) */
156
157 /* Attach BCMSDH layer to SDIO Host Controller Driver
158 *
159 * @param osh OSL Handle.
160 * @param cfghdl Configuration Handle.
161 * @param regsva Virtual address of controller registers.
162 * @param irq Interrupt number of SDIO controller.
163 *
164 * @return bcmsdh_info_t Handle to BCMSDH context.
165 */
166 bcmsdh_info_t *
bcmsdh_attach(osl_t * osh,void * sdioh,ulong * regsva)167 bcmsdh_attach(osl_t *osh, void *sdioh, ulong *regsva)
168 {
169 bcmsdh_info_t *bcmsdh;
170
171 if ((bcmsdh = (bcmsdh_info_t *)MALLOC(osh, sizeof(bcmsdh_info_t))) == NULL) {
172 BCMSDH_ERROR(("bcmsdh_attach: out of memory, malloced %d bytes\n", MALLOCED(osh)));
173 return NULL;
174 }
175 bzero((char *)bcmsdh, sizeof(bcmsdh_info_t));
176 bcmsdh->sdioh = sdioh;
177 bcmsdh->osh = osh;
178 bcmsdh->init_success = TRUE;
179 *regsva = si_enum_base(0);
180
181 bcmsdh_force_sbwad_calc(bcmsdh, FALSE);
182
183 /* Report the BAR, to fix if needed */
184 bcmsdh->sbwad = si_enum_base(0);
185
186 /* save the handler locally */
187 l_bcmsdh = bcmsdh;
188
189 return bcmsdh;
190 }
191
192 int
bcmsdh_detach(osl_t * osh,void * sdh)193 bcmsdh_detach(osl_t *osh, void *sdh)
194 {
195 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
196
197 if (bcmsdh != NULL) {
198 #if defined(NDIS) && (NDISVER < 0x0630)
199 if (bcmsdh->sdioh)
200 sdioh_detach(osh, bcmsdh->sdioh);
201 #endif
202 MFREE(osh, bcmsdh, sizeof(bcmsdh_info_t));
203 }
204
205 l_bcmsdh = NULL;
206
207 return 0;
208 }
209
210 int
bcmsdh_iovar_op(void * sdh,const char * name,void * params,uint plen,void * arg,uint len,bool set)211 bcmsdh_iovar_op(void *sdh, const char *name,
212 void *params, uint plen, void *arg, uint len, bool set)
213 {
214 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
215 return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set);
216 }
217
218 bool
bcmsdh_intr_query(void * sdh)219 bcmsdh_intr_query(void *sdh)
220 {
221 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
222 SDIOH_API_RC status;
223 bool on;
224
225 ASSERT(bcmsdh);
226 status = sdioh_interrupt_query(bcmsdh->sdioh, &on);
227 if (SDIOH_API_SUCCESS(status))
228 return FALSE;
229 else
230 return on;
231 }
232
233 int
bcmsdh_intr_enable(void * sdh)234 bcmsdh_intr_enable(void *sdh)
235 {
236 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
237 SDIOH_API_RC status;
238 #ifdef BCMSPI_ANDROID
239 uint32 data;
240 #endif /* BCMSPI_ANDROID */
241 ASSERT(bcmsdh);
242
243 status = sdioh_interrupt_set(bcmsdh->sdioh, TRUE);
244 #ifdef BCMSPI_ANDROID
245 data = bcmsdh_cfg_read_word(sdh, 0, 4, NULL);
246 data |= 0xE0E70000;
247 bcmsdh_cfg_write_word(sdh, 0, 4, data, NULL);
248 #endif /* BCMSPI_ANDROID */
249 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
250 }
251
252 int
bcmsdh_intr_disable(void * sdh)253 bcmsdh_intr_disable(void *sdh)
254 {
255 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
256 SDIOH_API_RC status;
257 #ifdef BCMSPI_ANDROID
258 uint32 data;
259 #endif /* BCMSPI_ANDROID */
260 ASSERT(bcmsdh);
261
262 status = sdioh_interrupt_set(bcmsdh->sdioh, FALSE);
263 #ifdef BCMSPI_ANDROID
264 data = bcmsdh_cfg_read_word(sdh, 0, 4, NULL);
265 data &= ~0xE0E70000;
266 bcmsdh_cfg_write_word(sdh, 0, 4, data, NULL);
267 #endif /* BCMSPI_ANDROID */
268 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
269 }
270
271 int
bcmsdh_intr_reg(void * sdh,bcmsdh_cb_fn_t fn,void * argh)272 bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
273 {
274 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
275 SDIOH_API_RC status;
276
277 if (!bcmsdh)
278 bcmsdh = l_bcmsdh;
279
280 ASSERT(bcmsdh);
281
282 status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
283 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
284 }
285
286 int
bcmsdh_intr_dereg(void * sdh)287 bcmsdh_intr_dereg(void *sdh)
288 {
289 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
290 SDIOH_API_RC status;
291
292 if (!bcmsdh)
293 bcmsdh = l_bcmsdh;
294
295 ASSERT(bcmsdh);
296
297 status = sdioh_interrupt_deregister(bcmsdh->sdioh);
298 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
299 }
300
301 #if defined(DHD_DEBUG) || defined(BCMDBG)
302 bool
bcmsdh_intr_pending(void * sdh)303 bcmsdh_intr_pending(void *sdh)
304 {
305 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
306
307 ASSERT(sdh);
308 return sdioh_interrupt_pending(bcmsdh->sdioh);
309 }
310 #endif
311
312 int
bcmsdh_devremove_reg(void * sdh,bcmsdh_cb_fn_t fn,void * argh)313 bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
314 {
315 ASSERT(sdh);
316
317 /* don't support yet */
318 return BCME_UNSUPPORTED;
319 }
320
321 /**
322 * Read from SDIO Configuration Space
323 * @param sdh SDIO Host context.
324 * @param func_num Function number to read from.
325 * @param addr Address to read from.
326 * @param err Error return.
327 * @return value read from SDIO configuration space.
328 */
329 uint8
bcmsdh_cfg_read(void * sdh,uint fnc_num,uint32 addr,int * err)330 bcmsdh_cfg_read(void *sdh, uint fnc_num, uint32 addr, int *err)
331 {
332 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
333 SDIOH_API_RC status;
334 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
335 int32 retry = 0;
336 #endif
337 uint8 data = 0;
338
339 if (!bcmsdh)
340 bcmsdh = l_bcmsdh;
341
342 ASSERT(bcmsdh->init_success);
343
344 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
345 do {
346 if (retry) /* wait for 1 ms till bus get settled down */
347 OSL_DELAY(1000);
348 #endif
349 status = sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
350 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
351 } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
352 #endif
353 if (err)
354 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
355
356 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
357 fnc_num, addr, data));
358
359 return data;
360 }
361 #ifdef BCMSDH_MODULE
362 EXPORT_SYMBOL(bcmsdh_cfg_read);
363 #endif
364
365 void
bcmsdh_cfg_write(void * sdh,uint fnc_num,uint32 addr,uint8 data,int * err)366 bcmsdh_cfg_write(void *sdh, uint fnc_num, uint32 addr, uint8 data, int *err)
367 {
368 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
369 SDIOH_API_RC status;
370 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
371 int32 retry = 0;
372 #endif
373
374 if (!bcmsdh)
375 bcmsdh = l_bcmsdh;
376
377 ASSERT(bcmsdh->init_success);
378
379 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
380 do {
381 if (retry) /* wait for 1 ms till bus get settled down */
382 OSL_DELAY(1000);
383 #endif
384 status = sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
385 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
386 } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
387 #endif
388 if (err)
389 *err = SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR;
390
391 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
392 fnc_num, addr, data));
393 }
394 #ifdef BCMSDH_MODULE
395 EXPORT_SYMBOL(bcmsdh_cfg_write);
396 #endif
397
398 uint32
bcmsdh_cfg_read_word(void * sdh,uint fnc_num,uint32 addr,int * err)399 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, uint32 addr, int *err)
400 {
401 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
402 SDIOH_API_RC status;
403 uint32 data = 0;
404
405 if (!bcmsdh)
406 bcmsdh = l_bcmsdh;
407
408 ASSERT(bcmsdh->init_success);
409
410 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ, fnc_num,
411 addr, &data, 4);
412
413 if (err)
414 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
415
416 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__,
417 fnc_num, addr, data));
418
419 return data;
420 }
421
422 void
bcmsdh_cfg_write_word(void * sdh,uint fnc_num,uint32 addr,uint32 data,int * err)423 bcmsdh_cfg_write_word(void *sdh, uint fnc_num, uint32 addr, uint32 data, int *err)
424 {
425 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
426 SDIOH_API_RC status;
427
428 if (!bcmsdh)
429 bcmsdh = l_bcmsdh;
430
431 ASSERT(bcmsdh->init_success);
432
433 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, fnc_num,
434 addr, &data, 4);
435
436 if (err)
437 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
438
439 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__, fnc_num,
440 addr, data));
441 }
442
443 int
bcmsdh_cis_read(void * sdh,uint func,uint8 * cis,uint length)444 bcmsdh_cis_read(void *sdh, uint func, uint8 *cis, uint length)
445 {
446 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
447 SDIOH_API_RC status;
448
449 uint8 *tmp_buf, *tmp_ptr;
450 uint8 *ptr;
451 bool ascii = func & ~0xf;
452 func &= 0x7;
453
454 if (!bcmsdh)
455 bcmsdh = l_bcmsdh;
456
457 ASSERT(bcmsdh->init_success);
458 ASSERT(cis);
459 ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
460
461 status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length);
462
463 if (ascii) {
464 /* Move binary bits to tmp and format them into the provided buffer. */
465 if ((tmp_buf = (uint8 *)MALLOC(bcmsdh->osh, length)) == NULL) {
466 BCMSDH_ERROR(("%s: out of memory\n", __FUNCTION__));
467 return BCME_NOMEM;
468 }
469 bcopy(cis, tmp_buf, length);
470 for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4); tmp_ptr++) {
471 ptr += snprintf((char*)ptr, (cis + length - ptr - 4),
472 "%.2x ", *tmp_ptr & 0xff);
473 if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
474 ptr += snprintf((char *)ptr, (cis + length - ptr -4), "\n");
475 }
476 MFREE(bcmsdh->osh, tmp_buf, length);
477 }
478
479 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
480 }
481
482 int
bcmsdh_cisaddr_read(void * sdh,uint func,uint8 * cisd,uint32 offset)483 bcmsdh_cisaddr_read(void *sdh, uint func, uint8 *cisd, uint32 offset)
484 {
485 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
486 SDIOH_API_RC status;
487
488 func &= 0x7;
489
490 if (!bcmsdh)
491 bcmsdh = l_bcmsdh;
492
493 ASSERT(bcmsdh->init_success);
494 ASSERT(cisd);
495
496 status = sdioh_cisaddr_read(bcmsdh->sdioh, func, cisd, offset);
497
498 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
499 }
500
501
502 int
bcmsdhsdio_set_sbaddr_window(void * sdh,uint32 address,bool force_set)503 bcmsdhsdio_set_sbaddr_window(void *sdh, uint32 address, bool force_set)
504 {
505 int err = 0;
506 uint bar0 = address & ~SBSDIO_SB_OFT_ADDR_MASK;
507 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
508
509 if (bar0 != bcmsdh->sbwad || force_set) {
510 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
511 (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
512 if (!err)
513 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID,
514 (address >> 16) & SBSDIO_SBADDRMID_MASK, &err);
515 if (!err)
516 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH,
517 (address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err);
518
519 if (!err)
520 bcmsdh->sbwad = bar0;
521 else
522 /* invalidate cached window var */
523 bcmsdh->sbwad = 0;
524
525 #ifdef BCMDBG
526 if (err)
527 BCMSDH_ERROR(("%s: error setting address window %08x\n",
528 __FUNCTION__, address));
529 #endif /* BCMDBG */
530 }
531
532 return err;
533 }
534
535 uint32
bcmsdh_reg_read(void * sdh,uintptr addr,uint size)536 bcmsdh_reg_read(void *sdh, uintptr addr, uint size)
537 {
538 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
539 SDIOH_API_RC status;
540 uint32 word = 0;
541
542 BCMSDH_INFO(("%s:fun = 1, addr = 0x%x\n", __FUNCTION__, (unsigned int)addr));
543
544 if (!bcmsdh)
545 bcmsdh = l_bcmsdh;
546
547 ASSERT(bcmsdh->init_success);
548
549 if (bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, bcmsdh->force_sbwad_calc)) {
550 bcmsdh->regfail = TRUE; // terence 20130621: prevent dhd_dpc in dead lock
551 return 0xFFFFFFFF;
552 }
553
554 addr &= SBSDIO_SB_OFT_ADDR_MASK;
555 if (size == 4)
556 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
557
558 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
559 SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
560
561 bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
562
563 BCMSDH_INFO(("uint32data = 0x%x\n", word));
564
565 /* if ok, return appropriately masked word */
566 /* XXX Masking was put in for NDIS port, remove if not needed */
567 if (SDIOH_API_SUCCESS(status)) {
568 switch (size) {
569 case sizeof(uint8):
570 return (word & 0xff);
571 case sizeof(uint16):
572 return (word & 0xffff);
573 case sizeof(uint32):
574 return word;
575 default:
576 bcmsdh->regfail = TRUE;
577
578 }
579 }
580
581 /* otherwise, bad sdio access or invalid size */
582 BCMSDH_ERROR(("%s: error reading addr 0x%x size %d\n",
583 __FUNCTION__, (unsigned int)addr, size));
584 return 0xFFFFFFFF;
585 }
586
587 uint32
bcmsdh_reg_write(void * sdh,uintptr addr,uint size,uint32 data)588 bcmsdh_reg_write(void *sdh, uintptr addr, uint size, uint32 data)
589 {
590 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
591 SDIOH_API_RC status;
592 int err = 0;
593
594 BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
595 __FUNCTION__, (unsigned int)addr, size*8, data));
596
597 if (!bcmsdh)
598 bcmsdh = l_bcmsdh;
599
600 ASSERT(bcmsdh->init_success);
601
602 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, bcmsdh->force_sbwad_calc))) {
603 bcmsdh->regfail = TRUE; // terence 20130621:
604 return err;
605 }
606
607 addr &= SBSDIO_SB_OFT_ADDR_MASK;
608 if (size == 4)
609 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
610 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, SDIO_FUNC_1,
611 addr, &data, size);
612 bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
613
614 if (SDIOH_API_SUCCESS(status))
615 return 0;
616
617 BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
618 __FUNCTION__, data, (unsigned int)addr, size));
619 return 0xFFFFFFFF;
620 }
621
622 bool
bcmsdh_regfail(void * sdh)623 bcmsdh_regfail(void *sdh)
624 {
625 return ((bcmsdh_info_t *)sdh)->regfail;
626 }
627
628 int
bcmsdh_recv_buf(void * sdh,uint32 addr,uint fn,uint flags,uint8 * buf,uint nbytes,void * pkt,bcmsdh_cmplt_fn_t complete_fn,void * handle)629 bcmsdh_recv_buf(void *sdh, uint32 addr, uint fn, uint flags,
630 uint8 *buf, uint nbytes, void *pkt,
631 bcmsdh_cmplt_fn_t complete_fn, void *handle)
632 {
633 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
634 SDIOH_API_RC status;
635 uint incr_fix;
636 uint width;
637 int err = 0;
638
639 ASSERT(bcmsdh);
640 ASSERT(bcmsdh->init_success);
641
642 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
643 __FUNCTION__, fn, addr, nbytes));
644
645 /* Async not implemented yet */
646 ASSERT(!(flags & SDIO_REQ_ASYNC));
647 if (flags & SDIO_REQ_ASYNC)
648 return BCME_UNSUPPORTED;
649
650 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
651 return err;
652
653 addr &= SBSDIO_SB_OFT_ADDR_MASK;
654
655 incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
656 width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
657 if (width == 4)
658 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
659
660 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
661 SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
662
663 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
664 }
665
666 int
bcmsdh_send_buf(void * sdh,uint32 addr,uint fn,uint flags,uint8 * buf,uint nbytes,void * pkt,bcmsdh_cmplt_fn_t complete_fn,void * handle)667 bcmsdh_send_buf(void *sdh, uint32 addr, uint fn, uint flags,
668 uint8 *buf, uint nbytes, void *pkt,
669 bcmsdh_cmplt_fn_t complete_fn, void *handle)
670 {
671 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
672 SDIOH_API_RC status;
673 uint incr_fix;
674 uint width;
675 int err = 0;
676
677 ASSERT(bcmsdh);
678 ASSERT(bcmsdh->init_success);
679
680 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
681 __FUNCTION__, fn, addr, nbytes));
682
683 /* Async not implemented yet */
684 ASSERT(!(flags & SDIO_REQ_ASYNC));
685 if (flags & SDIO_REQ_ASYNC)
686 return BCME_UNSUPPORTED;
687
688 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
689 return err;
690
691 addr &= SBSDIO_SB_OFT_ADDR_MASK;
692
693 incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
694 width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
695 if (width == 4)
696 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
697
698 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
699 SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
700
701 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
702 }
703
704 int
bcmsdh_rwdata(void * sdh,uint rw,uint32 addr,uint8 * buf,uint nbytes)705 bcmsdh_rwdata(void *sdh, uint rw, uint32 addr, uint8 *buf, uint nbytes)
706 {
707 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
708 SDIOH_API_RC status;
709
710 ASSERT(bcmsdh);
711 ASSERT(bcmsdh->init_success);
712 ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
713
714 addr &= SBSDIO_SB_OFT_ADDR_MASK;
715 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
716
717 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC,
718 (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
719 addr, 4, nbytes, buf, NULL);
720
721 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
722 }
723
724 int
bcmsdh_abort(void * sdh,uint fn)725 bcmsdh_abort(void *sdh, uint fn)
726 {
727 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
728
729 return sdioh_abort(bcmsdh->sdioh, fn);
730 }
731
732 int
bcmsdh_start(void * sdh,int stage)733 bcmsdh_start(void *sdh, int stage)
734 {
735 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
736
737 return sdioh_start(bcmsdh->sdioh, stage);
738 }
739
740 int
bcmsdh_stop(void * sdh)741 bcmsdh_stop(void *sdh)
742 {
743 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
744
745 return sdioh_stop(bcmsdh->sdioh);
746 }
747
748 int
bcmsdh_waitlockfree(void * sdh)749 bcmsdh_waitlockfree(void *sdh)
750 {
751 #ifdef LINUX
752 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
753
754 return sdioh_waitlockfree(bcmsdh->sdioh);
755 #else
756 return 0;
757 #endif
758 }
759
760 int
bcmsdh_query_device(void * sdh)761 bcmsdh_query_device(void *sdh)
762 {
763 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
764 #if defined(BCMDONGLEHOST)
765 bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0;
766 #else
767 uint8 *fn0cis[1];
768 int err;
769 char *vars;
770 uint varsz;
771 osl_t *osh = bcmsdh->osh;
772
773 bcmsdh->vendevid = ~(0);
774
775 if (!(fn0cis[0] = MALLOC(osh, SBSDIO_CIS_SIZE_LIMIT))) {
776 BCMSDH_ERROR(("%s: CIS malloc failed\n", __FUNCTION__));
777 return (bcmsdh->vendevid);
778 }
779
780 bzero(fn0cis[0], SBSDIO_CIS_SIZE_LIMIT);
781
782 if ((err = bcmsdh_cis_read(sdh, 0, fn0cis[0], SBSDIO_CIS_SIZE_LIMIT))) {
783 BCMSDH_ERROR(("%s: CIS read err %d, report unknown BRCM device\n",
784 __FUNCTION__, err));
785 bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0;
786 MFREE(osh, fn0cis[0], SBSDIO_CIS_SIZE_LIMIT);
787 return (bcmsdh->vendevid);
788 }
789
790 if (!err) {
791 if ((err = srom_parsecis(NULL, osh, fn0cis, 1, &vars, &varsz))) {
792 BCMSDH_ERROR(("%s: Error parsing CIS = %d\n", __FUNCTION__, err));
793 } else {
794 bcmsdh->vendevid = (getintvar(vars, "vendid") << 16) |
795 getintvar(vars, "devid");
796 MFREE(osh, vars, varsz);
797 }
798 }
799
800 MFREE(osh, fn0cis[0], SBSDIO_CIS_SIZE_LIMIT);
801 #endif /* BCMDONGLEHOST */
802 return (bcmsdh->vendevid);
803 }
804
805 uint
bcmsdh_query_iofnum(void * sdh)806 bcmsdh_query_iofnum(void *sdh)
807 {
808 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
809
810 if (!bcmsdh)
811 bcmsdh = l_bcmsdh;
812
813 return (sdioh_query_iofnum(bcmsdh->sdioh));
814 }
815
816 int
bcmsdh_reset(bcmsdh_info_t * sdh)817 bcmsdh_reset(bcmsdh_info_t *sdh)
818 {
819 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
820
821 return sdioh_sdio_reset(bcmsdh->sdioh);
822 }
823
824 /* XXX For use by NDIS port, remove if not needed. */
bcmsdh_get_sdioh(bcmsdh_info_t * sdh)825 void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh)
826 {
827 ASSERT(sdh);
828 return sdh->sdioh;
829 }
830
831 /* Function to pass device-status bits to DHD. */
832 uint32
bcmsdh_get_dstatus(void * sdh)833 bcmsdh_get_dstatus(void *sdh)
834 {
835 #ifdef BCMSPI
836 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
837 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
838 return sdioh_get_dstatus(sd);
839 #else
840 return 0;
841 #endif /* BCMSPI */
842 }
843 uint32
bcmsdh_cur_sbwad(void * sdh)844 bcmsdh_cur_sbwad(void *sdh)
845 {
846 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
847
848 if (!bcmsdh)
849 bcmsdh = l_bcmsdh;
850
851 return (bcmsdh->sbwad);
852 }
853
854 /* example usage: if force is TRUE, forces the bcmsdhsdio_set_sbaddr_window to
855 * calculate sbwad always instead of caching.
856 */
857 void
bcmsdh_force_sbwad_calc(void * sdh,bool force)858 bcmsdh_force_sbwad_calc(void *sdh, bool force)
859 {
860 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
861
862 if (!bcmsdh)
863 bcmsdh = l_bcmsdh;
864 bcmsdh->force_sbwad_calc = force;
865 }
866
867 void
bcmsdh_chipinfo(void * sdh,uint32 chip,uint32 chiprev)868 bcmsdh_chipinfo(void *sdh, uint32 chip, uint32 chiprev)
869 {
870 #ifdef BCMSPI
871 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
872 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
873 sdioh_chipinfo(sd, chip, chiprev);
874 #else
875 return;
876 #endif /* BCMSPI */
877 }
878
879 #ifdef BCMSPI
880 void
bcmsdh_dwordmode(void * sdh,bool set)881 bcmsdh_dwordmode(void *sdh, bool set)
882 {
883 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
884 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
885 sdioh_dwordmode(sd, set);
886 return;
887 }
888 #endif /* BCMSPI */
889
890 int
bcmsdh_sleep(void * sdh,bool enab)891 bcmsdh_sleep(void *sdh, bool enab)
892 {
893 #ifdef SDIOH_SLEEP_ENABLED
894 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
895 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
896
897 return sdioh_sleep(sd, enab);
898 #else
899 return BCME_UNSUPPORTED;
900 #endif
901 }
902
903 int
bcmsdh_gpio_init(void * sdh)904 bcmsdh_gpio_init(void *sdh)
905 {
906 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
907 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
908
909 return sdioh_gpio_init(sd);
910 }
911
912 bool
bcmsdh_gpioin(void * sdh,uint32 gpio)913 bcmsdh_gpioin(void *sdh, uint32 gpio)
914 {
915 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
916 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
917
918 return sdioh_gpioin(sd, gpio);
919 }
920
921 int
bcmsdh_gpioouten(void * sdh,uint32 gpio)922 bcmsdh_gpioouten(void *sdh, uint32 gpio)
923 {
924 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
925 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
926
927 return sdioh_gpioouten(sd, gpio);
928 }
929
930 int
bcmsdh_gpioout(void * sdh,uint32 gpio,bool enab)931 bcmsdh_gpioout(void *sdh, uint32 gpio, bool enab)
932 {
933 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
934 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
935
936 return sdioh_gpioout(sd, gpio, enab);
937 }
938
939 uint
bcmsdh_set_mode(void * sdh,uint mode)940 bcmsdh_set_mode(void *sdh, uint mode)
941 {
942 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
943 return (sdioh_set_mode(bcmsdh->sdioh, mode));
944 }
945
946 #ifdef PKT_STATICS
947 uint32
bcmsdh_get_spend_time(void * sdh)948 bcmsdh_get_spend_time(void *sdh)
949 {
950 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
951 return (sdioh_get_spend_time(bcmsdh->sdioh));
952 }
953 #endif
954