1 /*
2 * BCMSDH interface glue
3 * implement bcmsdh API for SDIOH driver
4 *
5 * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
6 *
7 * Copyright (C) 1999-2017, Broadcom Corporation
8 *
9 * Unless you and Broadcom execute a separate written software license
10 * agreement governing use of this software, this software is licensed to you
11 * under the terms of the GNU General Public License version 2 (the "GPL"),
12 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
13 * following added to such license:
14 *
15 * As a special exception, the copyright holders of this software give you
16 * permission to link this software with independent modules, and to copy and
17 * distribute the resulting executable under terms of your choice, provided that
18 * you also meet, for each linked independent module, the terms and conditions of
19 * the license of that module. An independent module is a module which is not
20 * derived from this software. The special exception does not apply to any
21 * modifications of the software.
22 *
23 * Notwithstanding the above, under no circumstances may you combine this
24 * software in any way with any other Broadcom software provided under a license
25 * other than the GPL, without Broadcom's express prior written consent.
26 *
27 *
28 * <<Broadcom-WL-IPTag/Open:>>
29 *
30 * $Id: bcmsdh.c 700323 2017-05-18 16:12:11Z $
31 */
32
33 /**
34 * @file bcmsdh.c
35 */
36
37 /* ****************** BCMSDH Interface Functions *************************** */
38
39 #include <typedefs.h>
40 #include <bcmdevs.h>
41 #include <bcmendian.h>
42 #include <bcmutils.h>
43 #include <hndsoc.h>
44 #include <siutils.h>
45 #include <osl.h>
46
47 #include <bcmsdh.h> /* BRCM API for SDIO clients (such as wl, dhd) */
48 #include <bcmsdbus.h> /* common SDIO/controller interface */
49 #include <sbsdio.h> /* SDIO device core hardware definitions. */
50 #include <sdio.h> /* SDIO Device and Protocol Specs */
51
52 #if defined(BT_OVER_SDIO)
53 #include <dhd_bt_interface.h>
54 #endif /* defined (BT_OVER_SDIO) */
55
56 #define SDIOH_API_ACCESS_RETRY_LIMIT 2
57 const uint bcmsdh_msglevel = BCMSDH_ERROR_VAL;
58
59 /* local copy of bcm sd handler */
60 bcmsdh_info_t * l_bcmsdh = NULL;
61
62 #if defined(BT_OVER_SDIO)
63 struct sdio_func *func_f3 = NULL;
64 static f3intr_handler processf3intr = NULL;
65 static dhd_hang_notification process_dhd_hang_notification = NULL;
66 static dhd_hang_state_t g_dhd_hang_state = NO_HANG_STATE;
67 #endif /* defined (BT_OVER_SDIO) */
68
69 #if defined(OOB_INTR_ONLY) && defined(HW_OOB)
70 extern int
71 sdioh_enable_hw_oob_intr(void *sdioh, bool enable);
72
73 void
bcmsdh_enable_hw_oob_intr(bcmsdh_info_t * sdh,bool enable)74 bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
75 {
76 sdioh_enable_hw_oob_intr(sdh->sdioh, enable);
77 }
78 #endif // endif
79
80 #if defined(BT_OVER_SDIO)
bcmsdh_btsdio_process_hang_state(dhd_hang_state_t new_state)81 void bcmsdh_btsdio_process_hang_state(dhd_hang_state_t new_state)
82 {
83 bool state_change = false;
84
85 BCMSDH_ERROR(("%s: DHD hang state changed - [%d] -> [%d]\n",
86 __FUNCTION__, g_dhd_hang_state, new_state));
87
88 if (g_dhd_hang_state == new_state)
89 return;
90
91 switch (g_dhd_hang_state) {
92 case NO_HANG_STATE:
93 if (HANG_START_STATE == new_state)
94 state_change = true;
95 break;
96
97 case HANG_START_STATE:
98 if (HANG_RECOVERY_STATE == new_state ||
99 NO_HANG_STATE == new_state)
100 state_change = true;
101
102 break;
103
104 case HANG_RECOVERY_STATE:
105 if (NO_HANG_STATE == new_state)
106 state_change = true;
107 break;
108
109 default:
110 BCMSDH_ERROR(("%s: Unhandled Hang state\n", __FUNCTION__));
111 break;
112 }
113
114 if (!state_change) {
115 BCMSDH_ERROR(("%s: Hang state cannot be changed\n", __FUNCTION__));
116 return;
117 }
118
119 g_dhd_hang_state = new_state;
120 }
121
bcmsdh_btsdio_process_f3_intr(void)122 void bcmsdh_btsdio_process_f3_intr(void)
123 {
124 if (processf3intr && (g_dhd_hang_state == NO_HANG_STATE))
125 processf3intr(func_f3);
126 }
127
bcmsdh_btsdio_process_dhd_hang_notification(bool wifi_recovery_completed)128 void bcmsdh_btsdio_process_dhd_hang_notification(bool wifi_recovery_completed)
129 {
130 bcmsdh_btsdio_process_hang_state(HANG_START_STATE);
131
132 if (process_dhd_hang_notification)
133 process_dhd_hang_notification(func_f3, wifi_recovery_completed);
134
135 /* WiFi was off, so HANG_RECOVERY_STATE is not needed */
136 if (wifi_recovery_completed)
137 bcmsdh_btsdio_process_hang_state(NO_HANG_STATE);
138 else {
139 bcmsdh_btsdio_process_hang_state(HANG_RECOVERY_STATE);
140 }
141 }
142
bcmsdh_btsdio_interface_init(struct sdio_func * func,f3intr_handler f3intr_fun,dhd_hang_notification hang_notification)143 void bcmsdh_btsdio_interface_init(struct sdio_func *func,
144 f3intr_handler f3intr_fun, dhd_hang_notification hang_notification)
145 {
146 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)l_bcmsdh;
147 BCMSDH_INFO(("%s: func %p \n", __FUNCTION__, func));
148 func_f3 = func;
149 processf3intr = f3intr_fun;
150 #if defined(BCMLXSDMMC)
151 sdioh_sdmmc_card_enable_func_f3(bcmsdh->sdioh, func);
152 #else
153 BCMSDH_ERROR(("bcmsdh_btsdio_interface_init: not support f3 enable on non-sdmmc build\n"));
154 #endif /* defined(BCMLXSDMMC) */
155 process_dhd_hang_notification = hang_notification;
156
157 } EXPORT_SYMBOL(bcmsdh_btsdio_interface_init);
158 #endif /* defined (BT_OVER_SDIO) */
159
160 /* Attach BCMSDH layer to SDIO Host Controller Driver
161 *
162 * @param osh OSL Handle.
163 * @param cfghdl Configuration Handle.
164 * @param regsva Virtual address of controller registers.
165 * @param irq Interrupt number of SDIO controller.
166 *
167 * @return bcmsdh_info_t Handle to BCMSDH context.
168 */
169 bcmsdh_info_t *
bcmsdh_attach(osl_t * osh,void * sdioh,ulong * regsva)170 bcmsdh_attach(osl_t *osh, void *sdioh, ulong *regsva)
171 {
172 bcmsdh_info_t *bcmsdh;
173
174 if ((bcmsdh = (bcmsdh_info_t *)MALLOC(osh, sizeof(bcmsdh_info_t))) == NULL) {
175 BCMSDH_ERROR(("bcmsdh_attach: out of memory, malloced %d bytes\n", MALLOCED(osh)));
176 return NULL;
177 }
178 bzero((char *)bcmsdh, sizeof(bcmsdh_info_t));
179 bcmsdh->sdioh = sdioh;
180 bcmsdh->osh = osh;
181 bcmsdh->init_success = TRUE;
182 *regsva = si_enum_base(0);
183
184 bcmsdh_force_sbwad_calc(bcmsdh, FALSE);
185
186 /* Report the BAR, to fix if needed */
187 bcmsdh->sbwad = si_enum_base(0);
188
189 /* save the handler locally */
190 l_bcmsdh = bcmsdh;
191
192 return bcmsdh;
193 }
194
195 int
bcmsdh_detach(osl_t * osh,void * sdh)196 bcmsdh_detach(osl_t *osh, void *sdh)
197 {
198 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
199
200 if (bcmsdh != NULL) {
201 MFREE(osh, bcmsdh, sizeof(bcmsdh_info_t));
202 }
203
204 l_bcmsdh = NULL;
205
206 return 0;
207 }
208
209 int
bcmsdh_iovar_op(void * sdh,const char * name,void * params,uint plen,void * arg,uint len,bool set)210 bcmsdh_iovar_op(void *sdh, const char *name,
211 void *params, uint plen, void *arg, uint len, bool set)
212 {
213 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
214 return sdioh_iovar_op(bcmsdh->sdioh, name, params, plen, arg, len, set);
215 }
216
217 bool
bcmsdh_intr_query(void * sdh)218 bcmsdh_intr_query(void *sdh)
219 {
220 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
221 SDIOH_API_RC status;
222 bool on;
223
224 ASSERT(bcmsdh);
225 status = sdioh_interrupt_query(bcmsdh->sdioh, &on);
226 if (SDIOH_API_SUCCESS(status))
227 return FALSE;
228 else
229 return on;
230 }
231
232 int
bcmsdh_intr_enable(void * sdh)233 bcmsdh_intr_enable(void *sdh)
234 {
235 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
236 SDIOH_API_RC status;
237 #ifdef BCMSPI_ANDROID
238 uint32 data;
239 #endif /* BCMSPI_ANDROID */
240 ASSERT(bcmsdh);
241
242 status = sdioh_interrupt_set(bcmsdh->sdioh, TRUE);
243 #ifdef BCMSPI_ANDROID
244 data = bcmsdh_cfg_read_word(sdh, 0, 4, NULL);
245 data |= 0xE0E70000;
246 bcmsdh_cfg_write_word(sdh, 0, 4, data, NULL);
247 #endif /* BCMSPI_ANDROID */
248 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
249 }
250
251 int
bcmsdh_intr_disable(void * sdh)252 bcmsdh_intr_disable(void *sdh)
253 {
254 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
255 SDIOH_API_RC status;
256 #ifdef BCMSPI_ANDROID
257 uint32 data;
258 #endif /* BCMSPI_ANDROID */
259 ASSERT(bcmsdh);
260
261 status = sdioh_interrupt_set(bcmsdh->sdioh, FALSE);
262 #ifdef BCMSPI_ANDROID
263 data = bcmsdh_cfg_read_word(sdh, 0, 4, NULL);
264 data &= ~0xE0E70000;
265 bcmsdh_cfg_write_word(sdh, 0, 4, data, NULL);
266 #endif /* BCMSPI_ANDROID */
267 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
268 }
269
270 int
bcmsdh_intr_reg(void * sdh,bcmsdh_cb_fn_t fn,void * argh)271 bcmsdh_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
272 {
273 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
274 SDIOH_API_RC status;
275
276 if (!bcmsdh)
277 bcmsdh = l_bcmsdh;
278
279 ASSERT(bcmsdh);
280
281 status = sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
282 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
283 }
284
285 int
bcmsdh_intr_dereg(void * sdh)286 bcmsdh_intr_dereg(void *sdh)
287 {
288 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
289 SDIOH_API_RC status;
290
291 if (!bcmsdh)
292 bcmsdh = l_bcmsdh;
293
294 ASSERT(bcmsdh);
295
296 status = sdioh_interrupt_deregister(bcmsdh->sdioh);
297 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
298 }
299
300 #if defined(DHD_DEBUG)
301 bool
bcmsdh_intr_pending(void * sdh)302 bcmsdh_intr_pending(void *sdh)
303 {
304 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
305
306 ASSERT(sdh);
307 return sdioh_interrupt_pending(bcmsdh->sdioh);
308 }
309 #endif // endif
310
311 int
bcmsdh_devremove_reg(void * sdh,bcmsdh_cb_fn_t fn,void * argh)312 bcmsdh_devremove_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
313 {
314 ASSERT(sdh);
315
316 /* don't support yet */
317 return BCME_UNSUPPORTED;
318 }
319
320 /**
321 * Read from SDIO Configuration Space
322 * @param sdh SDIO Host context.
323 * @param func_num Function number to read from.
324 * @param addr Address to read from.
325 * @param err Error return.
326 * @return value read from SDIO configuration space.
327 */
328 uint8
bcmsdh_cfg_read(void * sdh,uint fnc_num,uint32 addr,int * err)329 bcmsdh_cfg_read(void *sdh, uint fnc_num, uint32 addr, int *err)
330 {
331 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
332 SDIOH_API_RC status;
333 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
334 int32 retry = 0;
335 #endif // endif
336 uint8 data = 0;
337
338 if (!bcmsdh)
339 bcmsdh = l_bcmsdh;
340
341 ASSERT(bcmsdh->init_success);
342
343 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
344 do {
345 if (retry) /* wait for 1 ms till bus get settled down */
346 OSL_DELAY(1000);
347 #endif // endif
348 status = sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
349 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
350 } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
351 #endif // endif
352 if (err)
353 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
354
355 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
356 fnc_num, addr, data));
357
358 return data;
359 } EXPORT_SYMBOL(bcmsdh_cfg_read);
360
361 void
bcmsdh_cfg_write(void * sdh,uint fnc_num,uint32 addr,uint8 data,int * err)362 bcmsdh_cfg_write(void *sdh, uint fnc_num, uint32 addr, uint8 data, int *err)
363 {
364 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
365 SDIOH_API_RC status;
366 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
367 int32 retry = 0;
368 #endif // endif
369
370 if (!bcmsdh)
371 bcmsdh = l_bcmsdh;
372
373 ASSERT(bcmsdh->init_success);
374
375 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
376 do {
377 if (retry) /* wait for 1 ms till bus get settled down */
378 OSL_DELAY(1000);
379 #endif // endif
380 status = sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr, (uint8 *)&data);
381 #ifdef SDIOH_API_ACCESS_RETRY_LIMIT
382 } while (!SDIOH_API_SUCCESS(status) && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
383 #endif // endif
384 if (err)
385 *err = SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR;
386
387 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint8data = 0x%x\n", __FUNCTION__,
388 fnc_num, addr, data));
389 } EXPORT_SYMBOL(bcmsdh_cfg_write);
390
391 uint32
bcmsdh_cfg_read_word(void * sdh,uint fnc_num,uint32 addr,int * err)392 bcmsdh_cfg_read_word(void *sdh, uint fnc_num, uint32 addr, int *err)
393 {
394 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
395 SDIOH_API_RC status;
396 uint32 data = 0;
397
398 if (!bcmsdh)
399 bcmsdh = l_bcmsdh;
400
401 ASSERT(bcmsdh->init_success);
402
403 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_READ, fnc_num,
404 addr, &data, 4);
405
406 if (err)
407 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
408
409 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__,
410 fnc_num, addr, data));
411
412 return data;
413 }
414
415 void
bcmsdh_cfg_write_word(void * sdh,uint fnc_num,uint32 addr,uint32 data,int * err)416 bcmsdh_cfg_write_word(void *sdh, uint fnc_num, uint32 addr, uint32 data, int *err)
417 {
418 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
419 SDIOH_API_RC status;
420
421 if (!bcmsdh)
422 bcmsdh = l_bcmsdh;
423
424 ASSERT(bcmsdh->init_success);
425
426 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, fnc_num,
427 addr, &data, 4);
428
429 if (err)
430 *err = (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
431
432 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, uint32data = 0x%x\n", __FUNCTION__, fnc_num,
433 addr, data));
434 }
435
436 int
bcmsdh_cis_read(void * sdh,uint func,uint8 * cis,uint length)437 bcmsdh_cis_read(void *sdh, uint func, uint8 *cis, uint length)
438 {
439 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
440 SDIOH_API_RC status;
441
442 uint8 *tmp_buf, *tmp_ptr;
443 uint8 *ptr;
444 bool ascii = func & ~0xf;
445 func &= 0x7;
446
447 if (!bcmsdh)
448 bcmsdh = l_bcmsdh;
449
450 ASSERT(bcmsdh->init_success);
451 ASSERT(cis);
452 ASSERT(length <= SBSDIO_CIS_SIZE_LIMIT);
453
454 status = sdioh_cis_read(bcmsdh->sdioh, func, cis, length);
455
456 if (ascii) {
457 /* Move binary bits to tmp and format them into the provided buffer. */
458 if ((tmp_buf = (uint8 *)MALLOC(bcmsdh->osh, length)) == NULL) {
459 BCMSDH_ERROR(("%s: out of memory\n", __FUNCTION__));
460 return BCME_NOMEM;
461 }
462 bcopy(cis, tmp_buf, length);
463 for (tmp_ptr = tmp_buf, ptr = cis; ptr < (cis + length - 4); tmp_ptr++) {
464 ptr += snprintf((char*)ptr, (cis + length - ptr - 4),
465 "%.2x ", *tmp_ptr & 0xff);
466 if ((((tmp_ptr - tmp_buf) + 1) & 0xf) == 0)
467 ptr += snprintf((char *)ptr, (cis + length - ptr -4), "\n");
468 }
469 MFREE(bcmsdh->osh, tmp_buf, length);
470 }
471
472 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
473 }
474
475 int
bcmsdhsdio_set_sbaddr_window(void * sdh,uint32 address,bool force_set)476 bcmsdhsdio_set_sbaddr_window(void *sdh, uint32 address, bool force_set)
477 {
478 int err = 0;
479 uint bar0 = address & ~SBSDIO_SB_OFT_ADDR_MASK;
480 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
481
482 if (bar0 != bcmsdh->sbwad || force_set) {
483 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
484 (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
485 if (!err)
486 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID,
487 (address >> 16) & SBSDIO_SBADDRMID_MASK, &err);
488 if (!err)
489 bcmsdh_cfg_write(bcmsdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH,
490 (address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err);
491
492 if (!err)
493 bcmsdh->sbwad = bar0;
494 else
495 /* invalidate cached window var */
496 bcmsdh->sbwad = 0;
497
498 }
499
500 return err;
501 }
502
503 uint32
bcmsdh_reg_read(void * sdh,uintptr addr,uint size)504 bcmsdh_reg_read(void *sdh, uintptr addr, uint size)
505 {
506 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
507 SDIOH_API_RC status;
508 uint32 word = 0;
509
510 BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, ",
511 __FUNCTION__, (unsigned int)addr));
512
513 if (!bcmsdh)
514 bcmsdh = l_bcmsdh;
515
516 ASSERT(bcmsdh->init_success);
517
518 if (bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, bcmsdh->force_sbwad_calc))
519 return 0xFFFFFFFF;
520
521 addr &= SBSDIO_SB_OFT_ADDR_MASK;
522 if (size == 4)
523 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
524
525 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
526 SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
527
528 bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
529
530 BCMSDH_INFO(("uint32data = 0x%x\n", word));
531
532 /* if ok, return appropriately masked word */
533 if (SDIOH_API_SUCCESS(status)) {
534 switch (size) {
535 case sizeof(uint8):
536 return (word & 0xff);
537 case sizeof(uint16):
538 return (word & 0xffff);
539 case sizeof(uint32):
540 return word;
541 default:
542 bcmsdh->regfail = TRUE;
543
544 }
545 }
546
547 /* otherwise, bad sdio access or invalid size */
548 BCMSDH_ERROR(("%s: error reading addr 0x%x size %d\n",
549 __FUNCTION__, (unsigned int)addr, size));
550 return 0xFFFFFFFF;
551 }
552
553 uint32
bcmsdh_reg_write(void * sdh,uintptr addr,uint size,uint32 data)554 bcmsdh_reg_write(void *sdh, uintptr addr, uint size, uint32 data)
555 {
556 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
557 SDIOH_API_RC status;
558 int err = 0;
559
560 BCMSDH_INFO(("%s:fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
561 __FUNCTION__, (unsigned int)addr, size*8, data));
562
563 if (!bcmsdh)
564 bcmsdh = l_bcmsdh;
565
566 ASSERT(bcmsdh->init_success);
567
568 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, bcmsdh->force_sbwad_calc)))
569 return err;
570
571 addr &= SBSDIO_SB_OFT_ADDR_MASK;
572 if (size == 4)
573 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
574 status = sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL, SDIOH_WRITE, SDIO_FUNC_1,
575 addr, &data, size);
576 bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
577
578 if (SDIOH_API_SUCCESS(status))
579 return 0;
580
581 BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
582 __FUNCTION__, data, (unsigned int)addr, size));
583 return 0xFFFFFFFF;
584 }
585
586 bool
bcmsdh_regfail(void * sdh)587 bcmsdh_regfail(void *sdh)
588 {
589 return ((bcmsdh_info_t *)sdh)->regfail;
590 }
591
592 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)593 bcmsdh_recv_buf(void *sdh, uint32 addr, uint fn, uint flags,
594 uint8 *buf, uint nbytes, void *pkt,
595 bcmsdh_cmplt_fn_t complete_fn, void *handle)
596 {
597 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
598 SDIOH_API_RC status;
599 uint incr_fix;
600 uint width;
601 int err = 0;
602
603 ASSERT(bcmsdh);
604 ASSERT(bcmsdh->init_success);
605
606 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
607 __FUNCTION__, fn, addr, nbytes));
608
609 /* Async not implemented yet */
610 ASSERT(!(flags & SDIO_REQ_ASYNC));
611 if (flags & SDIO_REQ_ASYNC)
612 return BCME_UNSUPPORTED;
613
614 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
615 return err;
616
617 addr &= SBSDIO_SB_OFT_ADDR_MASK;
618
619 incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
620 width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
621 if (fn != SDIO_FUNC_3 && width == 4)
622 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
623
624 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
625 SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
626
627 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_SDIO_ERROR);
628 }
629
630 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)631 bcmsdh_send_buf(void *sdh, uint32 addr, uint fn, uint flags,
632 uint8 *buf, uint nbytes, void *pkt,
633 bcmsdh_cmplt_fn_t complete_fn, void *handle)
634 {
635 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
636 SDIOH_API_RC status;
637 uint incr_fix;
638 uint width;
639 int err = 0;
640
641 ASSERT(bcmsdh);
642 ASSERT(bcmsdh->init_success);
643
644 BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, size = %d\n",
645 __FUNCTION__, fn, addr, nbytes));
646
647 /* Async not implemented yet */
648 ASSERT(!(flags & SDIO_REQ_ASYNC));
649 if (flags & SDIO_REQ_ASYNC)
650 return BCME_UNSUPPORTED;
651
652 if ((err = bcmsdhsdio_set_sbaddr_window(bcmsdh, addr, FALSE)))
653 return err;
654
655 addr &= SBSDIO_SB_OFT_ADDR_MASK;
656
657 incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
658 width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
659 if (fn != SDIO_FUNC_3 && width == 4)
660 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
661
662 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, incr_fix,
663 SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
664
665 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
666 }
667
668 int
bcmsdh_rwdata(void * sdh,uint rw,uint32 addr,uint8 * buf,uint nbytes)669 bcmsdh_rwdata(void *sdh, uint rw, uint32 addr, uint8 *buf, uint nbytes)
670 {
671 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
672 SDIOH_API_RC status;
673
674 ASSERT(bcmsdh);
675 ASSERT(bcmsdh->init_success);
676 ASSERT((addr & SBSDIO_SBWINDOW_MASK) == 0);
677
678 addr &= SBSDIO_SB_OFT_ADDR_MASK;
679 addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
680
681 status = sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO, SDIOH_DATA_INC,
682 (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
683 addr, 4, nbytes, buf, NULL);
684
685 return (SDIOH_API_SUCCESS(status) ? 0 : BCME_ERROR);
686 }
687
688 int
bcmsdh_abort(void * sdh,uint fn)689 bcmsdh_abort(void *sdh, uint fn)
690 {
691 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
692
693 return sdioh_abort(bcmsdh->sdioh, fn);
694 }
695
696 int
bcmsdh_start(void * sdh,int stage)697 bcmsdh_start(void *sdh, int stage)
698 {
699 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
700
701 return sdioh_start(bcmsdh->sdioh, stage);
702 }
703
704 int
bcmsdh_stop(void * sdh)705 bcmsdh_stop(void *sdh)
706 {
707 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
708
709 return sdioh_stop(bcmsdh->sdioh);
710 }
711
712 int
bcmsdh_waitlockfree(void * sdh)713 bcmsdh_waitlockfree(void *sdh)
714 {
715 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
716
717 return sdioh_waitlockfree(bcmsdh->sdioh);
718 }
719
720 int
bcmsdh_query_device(void * sdh)721 bcmsdh_query_device(void *sdh)
722 {
723 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
724 bcmsdh->vendevid = (VENDOR_BROADCOM << 16) | 0;
725 return (bcmsdh->vendevid);
726 }
727
728 uint
bcmsdh_query_iofnum(void * sdh)729 bcmsdh_query_iofnum(void *sdh)
730 {
731 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
732
733 if (!bcmsdh)
734 bcmsdh = l_bcmsdh;
735
736 return (sdioh_query_iofnum(bcmsdh->sdioh));
737 }
738
739 int
bcmsdh_reset(bcmsdh_info_t * sdh)740 bcmsdh_reset(bcmsdh_info_t *sdh)
741 {
742 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
743
744 return sdioh_sdio_reset(bcmsdh->sdioh);
745 }
746
bcmsdh_get_sdioh(bcmsdh_info_t * sdh)747 void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh)
748 {
749 ASSERT(sdh);
750 return sdh->sdioh;
751 }
752
753 /* Function to pass device-status bits to DHD. */
754 uint32
bcmsdh_get_dstatus(void * sdh)755 bcmsdh_get_dstatus(void *sdh)
756 {
757 #ifdef BCMSPI
758 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
759 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
760 return sdioh_get_dstatus(sd);
761 #else
762 return 0;
763 #endif /* BCMSPI */
764 }
765 uint32
bcmsdh_cur_sbwad(void * sdh)766 bcmsdh_cur_sbwad(void *sdh)
767 {
768 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
769
770 if (!bcmsdh)
771 bcmsdh = l_bcmsdh;
772
773 return (bcmsdh->sbwad);
774 }
775
776 /* example usage: if force is TRUE, forces the bcmsdhsdio_set_sbaddr_window to
777 * calculate sbwad always instead of caching.
778 */
779 void
bcmsdh_force_sbwad_calc(void * sdh,bool force)780 bcmsdh_force_sbwad_calc(void *sdh, bool force)
781 {
782 bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *)sdh;
783
784 if (!bcmsdh)
785 bcmsdh = l_bcmsdh;
786 bcmsdh->force_sbwad_calc = force;
787 }
788
789 void
bcmsdh_chipinfo(void * sdh,uint32 chip,uint32 chiprev)790 bcmsdh_chipinfo(void *sdh, uint32 chip, uint32 chiprev)
791 {
792 #ifdef BCMSPI
793 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
794 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
795 sdioh_chipinfo(sd, chip, chiprev);
796 #else
797 return;
798 #endif /* BCMSPI */
799 }
800
801 #ifdef BCMSPI
802 void
bcmsdh_dwordmode(void * sdh,bool set)803 bcmsdh_dwordmode(void *sdh, bool set)
804 {
805 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
806 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
807 sdioh_dwordmode(sd, set);
808 return;
809 }
810 #endif /* BCMSPI */
811
812 int
bcmsdh_sleep(void * sdh,bool enab)813 bcmsdh_sleep(void *sdh, bool enab)
814 {
815 #ifdef SDIOH_SLEEP_ENABLED
816 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
817 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
818
819 return sdioh_sleep(sd, enab);
820 #else
821 return BCME_UNSUPPORTED;
822 #endif // endif
823 }
824
825 int
bcmsdh_gpio_init(void * sdh)826 bcmsdh_gpio_init(void *sdh)
827 {
828 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
829 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
830
831 return sdioh_gpio_init(sd);
832 }
833
834 bool
bcmsdh_gpioin(void * sdh,uint32 gpio)835 bcmsdh_gpioin(void *sdh, uint32 gpio)
836 {
837 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
838 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
839
840 return sdioh_gpioin(sd, gpio);
841 }
842
843 int
bcmsdh_gpioouten(void * sdh,uint32 gpio)844 bcmsdh_gpioouten(void *sdh, uint32 gpio)
845 {
846 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
847 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
848
849 return sdioh_gpioouten(sd, gpio);
850 }
851
852 int
bcmsdh_gpioout(void * sdh,uint32 gpio,bool enab)853 bcmsdh_gpioout(void *sdh, uint32 gpio, bool enab)
854 {
855 bcmsdh_info_t *p = (bcmsdh_info_t *)sdh;
856 sdioh_info_t *sd = (sdioh_info_t *)(p->sdioh);
857
858 return sdioh_gpioout(sd, gpio, enab);
859 }
860