1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2007 Marvell Semiconductor, Inc.
5 * Copyright (c) 2007 Sam Leffler, Errno Consulting
6 * Copyright (c) 2008 Weongyo Jeong <weongyo@freebsd.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer,
14 * without modification.
15 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
16 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
17 * redistribution must be conditioned upon including a substantially
18 * similar Disclaimer requirement for further binary redistribution.
19 *
20 * NO WARRANTY
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
24 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
25 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
26 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGES.
32 */
33
34 #include <sys/cdefs.h>
35 #ifdef __FreeBSD__
36 __FBSDID("$FreeBSD$");
37 #endif
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/endian.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/firmware.h>
45 #include <sys/socket.h>
46
47 #include <machine/bus.h>
48 #include <sys/bus.h>
49
50 #include <net/if.h>
51 #include <net/if_var.h>
52 #include <net/if_dl.h>
53 #include <net/if_media.h>
54 #include <net/ethernet.h>
55
56 #include <net80211/ieee80211_var.h>
57
58 #include <dev/malo/if_malo.h>
59
60 #define MALO_WAITOK 1
61 #define MALO_NOWAIT 0
62
63 #define _CMD_SETUP(pCmd, _type, _cmd) do { \
64 pCmd = (_type *)&mh->mh_cmdbuf[0]; \
65 memset(pCmd, 0, sizeof(_type)); \
66 pCmd->cmdhdr.cmd = htole16(_cmd); \
67 pCmd->cmdhdr.length = htole16(sizeof(_type)); \
68 } while (0)
69
70 static __inline uint32_t
71 malo_hal_read4(struct malo_hal *mh, bus_size_t off)
72 {
73 return bus_space_read_4(mh->mh_iot, mh->mh_ioh, off);
74 }
75
76 static __inline void
77 malo_hal_write4(struct malo_hal *mh, bus_size_t off, uint32_t val)
78 {
79 bus_space_write_4(mh->mh_iot, mh->mh_ioh, off, val);
80 }
81
82 static void
83 malo_hal_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
84 {
85 bus_addr_t *paddr = (bus_addr_t*) arg;
86
87 KASSERT(error == 0, ("error %u on bus_dma callback", error));
88 *paddr = segs->ds_addr;
89 }
90
91 /*
92 * Setup for communication with the device. We allocate
93 * a command buffer and map it for bus dma use. The pci
94 * device id is used to identify whether the device has
95 * SRAM on it (in which case f/w download must include a
96 * memory controller reset). All bus i/o operations happen
97 * in BAR 1; the driver passes in the tag and handle we need.
98 */
99 struct malo_hal *
100 malo_hal_attach(device_t dev, uint16_t devid,
101 bus_space_handle_t ioh, bus_space_tag_t iot, bus_dma_tag_t tag)
102 {
103 int error;
104 struct malo_hal *mh;
105
106 mh = malloc(sizeof(struct malo_hal), M_DEVBUF, M_NOWAIT | M_ZERO);
107 if (mh == NULL)
108 return NULL;
109
110 mh->mh_dev = dev;
111 mh->mh_ioh = ioh;
112 mh->mh_iot = iot;
113
114 snprintf(mh->mh_mtxname, sizeof(mh->mh_mtxname),
115 "%s_hal", device_get_nameunit(dev));
116 mtx_init(&mh->mh_mtx, mh->mh_mtxname, NULL, MTX_DEF);
117
118 /*
119 * Allocate the command buffer and map into the address
120 * space of the h/w. We request "coherent" memory which
121 * will be uncached on some architectures.
122 */
123 error = bus_dma_tag_create(tag, /* parent */
124 PAGE_SIZE, 0, /* alignment, bounds */
125 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
126 BUS_SPACE_MAXADDR, /* highaddr */
127 NULL, NULL, /* filter, filterarg */
128 MALO_CMDBUF_SIZE, /* maxsize */
129 1, /* nsegments */
130 MALO_CMDBUF_SIZE, /* maxsegsize */
131 BUS_DMA_ALLOCNOW, /* flags */
132 NULL, /* lockfunc */
133 NULL, /* lockarg */
134 &mh->mh_dmat);
135 if (error != 0) {
136 device_printf(dev, "unable to allocate memory for cmd tag, "
137 "error %u\n", error);
138 goto fail;
139 }
140
141 /* allocate descriptors */
142 error = bus_dmamem_alloc(mh->mh_dmat, (void**) &mh->mh_cmdbuf,
143 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
144 &mh->mh_dmamap);
145 if (error != 0) {
146 device_printf(dev, "unable to allocate memory for cmd buffer, "
147 "error %u\n", error);
148 goto fail;
149 }
150
151 error = bus_dmamap_load(mh->mh_dmat, mh->mh_dmamap,
152 mh->mh_cmdbuf, MALO_CMDBUF_SIZE,
153 malo_hal_load_cb, &mh->mh_cmdaddr,
154 BUS_DMA_NOWAIT);
155 if (error != 0) {
156 device_printf(dev, "unable to load cmd buffer, error %u\n",
157 error);
158 goto fail;
159 }
160
161 return (mh);
162
163 fail:
164 if (mh->mh_cmdbuf != NULL)
165 bus_dmamem_free(mh->mh_dmat, mh->mh_cmdbuf,
166 mh->mh_dmamap);
167 if (mh->mh_dmat)
168 bus_dma_tag_destroy(mh->mh_dmat);
169 free(mh, M_DEVBUF);
170
171 return (NULL);
172 }
173
174 /*
175 * Low level firmware cmd block handshake support.
176 */
177
178 static void
179 malo_hal_send_cmd(struct malo_hal *mh)
180 {
181 uint32_t dummy;
182
183 bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap,
184 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
185
186 malo_hal_write4(mh, MALO_REG_GEN_PTR, mh->mh_cmdaddr);
187 dummy = malo_hal_read4(mh, MALO_REG_INT_CODE);
188
189 malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS,
190 MALO_H2ARIC_BIT_DOOR_BELL);
191 }
192
193 static int
194 malo_hal_waitforcmd(struct malo_hal *mh, uint16_t cmd)
195 {
196 #define MAX_WAIT_FW_COMPLETE_ITERATIONS 10000
197 int i;
198
199 for (i = 0; i < MAX_WAIT_FW_COMPLETE_ITERATIONS; i++) {
200 if (mh->mh_cmdbuf[0] == le16toh(cmd))
201 return 1;
202
203 DELAY(1 * 1000);
204 }
205
206 return 0;
207 #undef MAX_WAIT_FW_COMPLETE_ITERATIONS
208 }
209
210 static int
211 malo_hal_execute_cmd(struct malo_hal *mh, unsigned short cmd)
212 {
213 MALO_HAL_LOCK_ASSERT(mh);
214
215 if ((mh->mh_flags & MHF_FWHANG) &&
216 (mh->mh_debug & MALO_HAL_DEBUG_IGNHANG) == 0) {
217 device_printf(mh->mh_dev, "firmware hung, skipping cmd 0x%x\n",
218 cmd);
219 return ENXIO;
220 }
221
222 if (malo_hal_read4(mh, MALO_REG_INT_CODE) == 0xffffffff) {
223 device_printf(mh->mh_dev, "%s: device not present!\n",
224 __func__);
225 return EIO;
226 }
227
228 malo_hal_send_cmd(mh);
229 if (!malo_hal_waitforcmd(mh, cmd | 0x8000)) {
230 device_printf(mh->mh_dev,
231 "timeout waiting for f/w cmd 0x%x\n", cmd);
232 mh->mh_flags |= MHF_FWHANG;
233 return ETIMEDOUT;
234 }
235
236 bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap,
237 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
238
239 return 0;
240 }
241
242 static int
243 malo_hal_get_cal_table(struct malo_hal *mh, uint8_t annex, uint8_t index)
244 {
245 struct malo_cmd_caltable *cmd;
246 int ret;
247
248 MALO_HAL_LOCK_ASSERT(mh);
249
250 _CMD_SETUP(cmd, struct malo_cmd_caltable, MALO_HOSTCMD_GET_CALTABLE);
251 cmd->annex = annex;
252 cmd->index = index;
253
254 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_GET_CALTABLE);
255 if (ret == 0 && cmd->caltbl[0] != annex && annex != 0 && annex != 255)
256 ret = EIO;
257 return ret;
258 }
259
260 static int
261 malo_hal_get_pwrcal_table(struct malo_hal *mh, struct malo_hal_caldata *cal)
262 {
263 const uint8_t *data;
264 int len;
265
266 MALO_HAL_LOCK(mh);
267 /* NB: we hold the lock so it's ok to use cmdbuf */
268 data = ((const struct malo_cmd_caltable *) mh->mh_cmdbuf)->caltbl;
269 if (malo_hal_get_cal_table(mh, 33, 0) == 0) {
270 len = (data[2] | (data[3] << 8)) - 12;
271 /* XXX validate len */
272 memcpy(cal->pt_ratetable_20m, &data[12], len);
273 }
274 mh->mh_flags |= MHF_CALDATA;
275 MALO_HAL_UNLOCK(mh);
276
277 return 0;
278 }
279
280 /*
281 * Reset internal state after a firmware download.
282 */
283 static int
284 malo_hal_resetstate(struct malo_hal *mh)
285 {
286 /*
287 * Fetch cal data for later use.
288 * XXX may want to fetch other stuff too.
289 */
290 if ((mh->mh_flags & MHF_CALDATA) == 0)
291 malo_hal_get_pwrcal_table(mh, &mh->mh_caldata);
292 return 0;
293 }
294
295 static void
296 malo_hal_fw_reset(struct malo_hal *mh)
297 {
298
299 if (malo_hal_read4(mh, MALO_REG_INT_CODE) == 0xffffffff) {
300 device_printf(mh->mh_dev, "%s: device not present!\n",
301 __func__);
302 return;
303 }
304
305 malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS, MALO_ISR_RESET);
306 mh->mh_flags &= ~MHF_FWHANG;
307 }
308
309 static void
310 malo_hal_trigger_pcicmd(struct malo_hal *mh)
311 {
312 uint32_t dummy;
313
314 bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap, BUS_DMASYNC_PREWRITE);
315
316 malo_hal_write4(mh, MALO_REG_GEN_PTR, mh->mh_cmdaddr);
317 dummy = malo_hal_read4(mh, MALO_REG_INT_CODE);
318
319 malo_hal_write4(mh, MALO_REG_INT_CODE, 0x00);
320 dummy = malo_hal_read4(mh, MALO_REG_INT_CODE);
321
322 malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS,
323 MALO_H2ARIC_BIT_DOOR_BELL);
324 dummy = malo_hal_read4(mh, MALO_REG_INT_CODE);
325 }
326
327 static int
328 malo_hal_waitfor(struct malo_hal *mh, uint32_t val)
329 {
330 int i;
331
332 for (i = 0; i < MALO_FW_MAX_NUM_CHECKS; i++) {
333 DELAY(MALO_FW_CHECK_USECS);
334 if (malo_hal_read4(mh, MALO_REG_INT_CODE) == val)
335 return 0;
336 }
337
338 return -1;
339 }
340
341 /*
342 * Firmware block xmit when talking to the boot-rom.
343 */
344 static int
345 malo_hal_send_helper(struct malo_hal *mh, int bsize,
346 const void *data, size_t dsize, int waitfor)
347 {
348 mh->mh_cmdbuf[0] = htole16(MALO_HOSTCMD_CODE_DNLD);
349 mh->mh_cmdbuf[1] = htole16(bsize);
350 memcpy(&mh->mh_cmdbuf[4], data , dsize);
351
352 malo_hal_trigger_pcicmd(mh);
353
354 if (waitfor == MALO_NOWAIT)
355 goto pass;
356
357 /* XXX 2000 vs 200 */
358 if (malo_hal_waitfor(mh, MALO_INT_CODE_CMD_FINISHED) != 0) {
359 device_printf(mh->mh_dev,
360 "%s: timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
361 __func__, malo_hal_read4(mh, MALO_REG_INT_CODE));
362
363 return ETIMEDOUT;
364 }
365
366 pass:
367 malo_hal_write4(mh, MALO_REG_INT_CODE, 0);
368
369 return (0);
370 }
371
372 static int
373 malo_hal_fwload_helper(struct malo_hal *mh, char *helper)
374 {
375 const struct firmware *fw;
376 int error;
377
378 fw = firmware_get(helper);
379 if (fw == NULL) {
380 device_printf(mh->mh_dev, "could not read microcode %s!\n",
381 helper);
382 return (EIO);
383 }
384
385 device_printf(mh->mh_dev, "load %s firmware image (%zu bytes)\n",
386 helper, fw->datasize);
387
388 error = malo_hal_send_helper(mh, fw->datasize, fw->data, fw->datasize,
389 MALO_WAITOK);
390 if (error != 0)
391 goto fail;
392
393 /* tell the card we're done and... */
394 error = malo_hal_send_helper(mh, 0, NULL, 0, MALO_NOWAIT);
395
396 fail:
397 firmware_put(fw, FIRMWARE_UNLOAD);
398
399 return (error);
400 }
401
402 /*
403 * Firmware block xmit when talking to the 1st-stage loader.
404 */
405 static int
406 malo_hal_send_main(struct malo_hal *mh, const void *data, size_t dsize,
407 uint16_t seqnum, int waitfor)
408 {
409 mh->mh_cmdbuf[0] = htole16(MALO_HOSTCMD_CODE_DNLD);
410 mh->mh_cmdbuf[1] = htole16(dsize);
411 mh->mh_cmdbuf[2] = htole16(seqnum);
412 mh->mh_cmdbuf[3] = 0;
413 memcpy(&mh->mh_cmdbuf[4], data, dsize);
414
415 malo_hal_trigger_pcicmd(mh);
416
417 if (waitfor == MALO_NOWAIT)
418 goto pass;
419
420 if (malo_hal_waitfor(mh, MALO_INT_CODE_CMD_FINISHED) != 0) {
421 device_printf(mh->mh_dev,
422 "%s: timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
423 __func__, malo_hal_read4(mh, MALO_REG_INT_CODE));
424
425 return ETIMEDOUT;
426 }
427
428 pass:
429 malo_hal_write4(mh, MALO_REG_INT_CODE, 0);
430
431 return 0;
432 }
433
434 static int
435 malo_hal_fwload_main(struct malo_hal *mh, char *firmware)
436 {
437 const struct firmware *fw;
438 const uint8_t *fp;
439 int error;
440 size_t count;
441 uint16_t seqnum;
442 uint32_t blocksize;
443
444 error = 0;
445
446 fw = firmware_get(firmware);
447 if (fw == NULL) {
448 device_printf(mh->mh_dev, "could not read firmware %s!\n",
449 firmware);
450 return (EIO);
451 }
452
453 device_printf(mh->mh_dev, "load %s firmware image (%zu bytes)\n",
454 firmware, fw->datasize);
455
456 seqnum = 1;
457 for (count = 0; count < fw->datasize; count += blocksize) {
458 blocksize = MIN(256, fw->datasize - count);
459 fp = (const uint8_t *)fw->data + count;
460
461 error = malo_hal_send_main(mh, fp, blocksize, seqnum++,
462 MALO_NOWAIT);
463 if (error != 0)
464 goto fail;
465 DELAY(500);
466 }
467
468 /*
469 * send a command with size 0 to tell that the firmware has been
470 * uploaded
471 */
472 error = malo_hal_send_main(mh, NULL, 0, seqnum++, MALO_NOWAIT);
473 DELAY(100);
474
475 fail:
476 firmware_put(fw, FIRMWARE_UNLOAD);
477
478 return (error);
479 }
480
481 int
482 malo_hal_fwload(struct malo_hal *mh, char *helper, char *firmware)
483 {
484 int error, i;
485 uint32_t fwreadysig, opmode;
486
487 /*
488 * NB: now malo(4) supports only STA mode. It will be better if it
489 * supports AP mode.
490 */
491 fwreadysig = MALO_HOSTCMD_STA_FWRDY_SIGNATURE;
492 opmode = MALO_HOSTCMD_STA_MODE;
493
494 malo_hal_fw_reset(mh);
495
496 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_CLEAR_SEL,
497 MALO_A2HRIC_BIT_MASK);
498 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_CAUSE, 0x00);
499 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, 0x00);
500 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_STATUS_MASK,
501 MALO_A2HRIC_BIT_MASK);
502
503 error = malo_hal_fwload_helper(mh, helper);
504 if (error != 0) {
505 device_printf(mh->mh_dev, "failed to load bootrom loader.\n");
506 goto fail;
507 }
508
509 DELAY(200 * MALO_FW_CHECK_USECS);
510
511 error = malo_hal_fwload_main(mh, firmware);
512 if (error != 0) {
513 device_printf(mh->mh_dev, "failed to load firmware.\n");
514 goto fail;
515 }
516
517 /*
518 * Wait for firmware to startup; we monitor the INT_CODE register
519 * waiting for a signature to written back indicating it's ready to go.
520 */
521 mh->mh_cmdbuf[1] = 0;
522
523 if (opmode != MALO_HOSTCMD_STA_MODE)
524 malo_hal_trigger_pcicmd(mh);
525
526 for (i = 0; i < MALO_FW_MAX_NUM_CHECKS; i++) {
527 malo_hal_write4(mh, MALO_REG_GEN_PTR, opmode);
528 DELAY(MALO_FW_CHECK_USECS);
529 if (malo_hal_read4(mh, MALO_REG_INT_CODE) == fwreadysig) {
530 malo_hal_write4(mh, MALO_REG_INT_CODE, 0x00);
531 return malo_hal_resetstate(mh);
532 }
533 }
534
535 return ETIMEDOUT;
536 fail:
537 malo_hal_fw_reset(mh);
538
539 return (error);
540 }
541
542 /*
543 * Return "hw specs". Note this must be the first cmd MUST be done after
544 * a firmware download or the f/w will lockup.
545 */
546 int
547 malo_hal_gethwspecs(struct malo_hal *mh, struct malo_hal_hwspec *hw)
548 {
549 struct malo_cmd_get_hwspec *cmd;
550 int ret;
551
552 MALO_HAL_LOCK(mh);
553
554 _CMD_SETUP(cmd, struct malo_cmd_get_hwspec, MALO_HOSTCMD_GET_HW_SPEC);
555 memset(&cmd->permaddr[0], 0xff, IEEE80211_ADDR_LEN);
556 cmd->ul_fw_awakecookie = htole32((unsigned int)mh->mh_cmdaddr + 2048);
557
558 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_GET_HW_SPEC);
559 if (ret == 0) {
560 IEEE80211_ADDR_COPY(hw->macaddr, cmd->permaddr);
561 hw->wcbbase[0] = le32toh(cmd->wcbbase0) & 0x0000ffff;
562 hw->wcbbase[1] = le32toh(cmd->wcbbase1) & 0x0000ffff;
563 hw->wcbbase[2] = le32toh(cmd->wcbbase2) & 0x0000ffff;
564 hw->wcbbase[3] = le32toh(cmd->wcbbase3) & 0x0000ffff;
565 hw->rxdesc_read = le32toh(cmd->rxpdrd_ptr)& 0x0000ffff;
566 hw->rxdesc_write = le32toh(cmd->rxpdwr_ptr)& 0x0000ffff;
567 hw->regioncode = le16toh(cmd->regioncode) & 0x00ff;
568 hw->fw_releasenum = le32toh(cmd->fw_releasenum);
569 hw->maxnum_wcb = le16toh(cmd->num_wcb);
570 hw->maxnum_mcaddr = le16toh(cmd->num_mcastaddr);
571 hw->num_antenna = le16toh(cmd->num_antenna);
572 hw->hwversion = cmd->version;
573 hw->hostinterface = cmd->hostif;
574 }
575
576 MALO_HAL_UNLOCK(mh);
577
578 return ret;
579 }
580
581 void
582 malo_hal_detach(struct malo_hal *mh)
583 {
584
585 bus_dmamem_free(mh->mh_dmat, mh->mh_cmdbuf, mh->mh_dmamap);
586 bus_dma_tag_destroy(mh->mh_dmat);
587 mtx_destroy(&mh->mh_mtx);
588 free(mh, M_DEVBUF);
589 }
590
591 /*
592 * Configure antenna use. Takes effect immediately.
593 *
594 * XXX tx antenna setting ignored
595 * XXX rx antenna setting should always be 3 (for now)
596 */
597 int
598 malo_hal_setantenna(struct malo_hal *mh, enum malo_hal_antenna dirset, int ant)
599 {
600 struct malo_cmd_rf_antenna *cmd;
601 int ret;
602
603 if (!(dirset == MHA_ANTENNATYPE_RX || dirset == MHA_ANTENNATYPE_TX))
604 return EINVAL;
605
606 MALO_HAL_LOCK(mh);
607
608 _CMD_SETUP(cmd, struct malo_cmd_rf_antenna,
609 MALO_HOSTCMD_802_11_RF_ANTENNA);
610 cmd->action = htole16(dirset);
611 if (ant == 0) { /* default to all/both antennae */
612 /* XXX never reach now. */
613 ant = 3;
614 }
615 cmd->mode = htole16(ant);
616
617 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RF_ANTENNA);
618
619 MALO_HAL_UNLOCK(mh);
620
621 return ret;
622 }
623
624 /*
625 * Configure radio. Takes effect immediately.
626 *
627 * XXX preamble installed after set fixed rate cmd
628 */
629 int
630 malo_hal_setradio(struct malo_hal *mh, int onoff,
631 enum malo_hal_preamble preamble)
632 {
633 struct malo_cmd_radio_control *cmd;
634 int ret;
635
636 MALO_HAL_LOCK(mh);
637
638 _CMD_SETUP(cmd, struct malo_cmd_radio_control,
639 MALO_HOSTCMD_802_11_RADIO_CONTROL);
640 cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
641 if (onoff == 0)
642 cmd->control = 0;
643 else
644 cmd->control = htole16(preamble);
645 cmd->radio_on = htole16(onoff);
646
647 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RADIO_CONTROL);
648
649 MALO_HAL_UNLOCK(mh);
650
651 return ret;
652 }
653
654 /*
655 * Set the interrupt mask.
656 */
657 void
658 malo_hal_intrset(struct malo_hal *mh, uint32_t mask)
659 {
660
661 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, 0);
662 (void)malo_hal_read4(mh, MALO_REG_INT_CODE);
663
664 mh->mh_imask = mask;
665 malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, mask);
666 (void)malo_hal_read4(mh, MALO_REG_INT_CODE);
667 }
668
669 int
670 malo_hal_setchannel(struct malo_hal *mh, const struct malo_hal_channel *chan)
671 {
672 struct malo_cmd_fw_set_rf_channel *cmd;
673 int ret;
674
675 MALO_HAL_LOCK(mh);
676
677 _CMD_SETUP(cmd, struct malo_cmd_fw_set_rf_channel,
678 MALO_HOSTCMD_SET_RF_CHANNEL);
679 cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
680 cmd->cur_channel = chan->channel;
681
682 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_RF_CHANNEL);
683
684 MALO_HAL_UNLOCK(mh);
685
686 return ret;
687 }
688
689 int
690 malo_hal_settxpower(struct malo_hal *mh, const struct malo_hal_channel *c)
691 {
692 struct malo_cmd_rf_tx_power *cmd;
693 const struct malo_hal_caldata *cal = &mh->mh_caldata;
694 uint8_t chan = c->channel;
695 uint16_t pow;
696 int i, idx, ret;
697
698 MALO_HAL_LOCK(mh);
699
700 _CMD_SETUP(cmd, struct malo_cmd_rf_tx_power,
701 MALO_HOSTCMD_802_11_RF_TX_POWER);
702 cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET_LIST);
703 for (i = 0; i < 4; i++) {
704 idx = (chan - 1) * 4 + i;
705 pow = cal->pt_ratetable_20m[idx];
706 cmd->power_levellist[i] = htole16(pow);
707 }
708 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RF_TX_POWER);
709
710 MALO_HAL_UNLOCK(mh);
711
712 return ret;
713 }
714
715 int
716 malo_hal_setpromisc(struct malo_hal *mh, int enable)
717 {
718 /* XXX need host cmd */
719 return 0;
720 }
721
722 int
723 malo_hal_setassocid(struct malo_hal *mh,
724 const uint8_t bssid[IEEE80211_ADDR_LEN], uint16_t associd)
725 {
726 struct malo_cmd_fw_set_aid *cmd;
727 int ret;
728
729 MALO_HAL_LOCK(mh);
730
731 _CMD_SETUP(cmd, struct malo_cmd_fw_set_aid,
732 MALO_HOSTCMD_SET_AID);
733 cmd->cmdhdr.seqnum = 1;
734 cmd->associd = htole16(associd);
735 IEEE80211_ADDR_COPY(&cmd->macaddr[0], bssid);
736
737 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_AID);
738 MALO_HAL_UNLOCK(mh);
739 return ret;
740 }
741
742 /*
743 * Kick the firmware to tell it there are new tx descriptors
744 * for processing. The driver says what h/w q has work in
745 * case the f/w ever gets smarter.
746 */
747 void
748 malo_hal_txstart(struct malo_hal *mh, int qnum)
749 {
750 bus_space_write_4(mh->mh_iot, mh->mh_ioh,
751 MALO_REG_H2A_INTERRUPT_EVENTS, MALO_H2ARIC_BIT_PPA_READY);
752 (void) bus_space_read_4(mh->mh_iot, mh->mh_ioh, MALO_REG_INT_CODE);
753 }
754
755 /*
756 * Return the current ISR setting and clear the cause.
757 */
758 void
759 malo_hal_getisr(struct malo_hal *mh, uint32_t *status)
760 {
761 uint32_t cause;
762
763 cause = bus_space_read_4(mh->mh_iot, mh->mh_ioh,
764 MALO_REG_A2H_INTERRUPT_CAUSE);
765 if (cause == 0xffffffff) { /* card removed */
766 cause = 0;
767 } else if (cause != 0) {
768 /* clear cause bits */
769 bus_space_write_4(mh->mh_iot, mh->mh_ioh,
770 MALO_REG_A2H_INTERRUPT_CAUSE, cause &~ mh->mh_imask);
771 (void) bus_space_read_4(mh->mh_iot, mh->mh_ioh,
772 MALO_REG_INT_CODE);
773 cause &= mh->mh_imask;
774 }
775
776 *status = cause;
777 }
778
779 /*
780 * Callback from the driver on a cmd done interrupt. Nothing to do right
781 * now as we spin waiting for cmd completion.
782 */
783 void
784 malo_hal_cmddone(struct malo_hal *mh)
785 {
786 /* NB : do nothing. */
787 }
788
789 int
790 malo_hal_prescan(struct malo_hal *mh)
791 {
792 struct malo_cmd_prescan *cmd;
793 int ret;
794
795 MALO_HAL_LOCK(mh);
796
797 _CMD_SETUP(cmd, struct malo_cmd_prescan, MALO_HOSTCMD_SET_PRE_SCAN);
798 cmd->cmdhdr.seqnum = 1;
799
800 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_PRE_SCAN);
801
802 MALO_HAL_UNLOCK(mh);
803
804 return ret;
805 }
806
807 int
808 malo_hal_postscan(struct malo_hal *mh, uint8_t *macaddr, uint8_t ibsson)
809 {
810 struct malo_cmd_postscan *cmd;
811 int ret;
812
813 MALO_HAL_LOCK(mh);
814
815 _CMD_SETUP(cmd, struct malo_cmd_postscan, MALO_HOSTCMD_SET_POST_SCAN);
816 cmd->cmdhdr.seqnum = 1;
817 cmd->isibss = htole32(ibsson);
818 IEEE80211_ADDR_COPY(&cmd->bssid[0], macaddr);
819
820 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_POST_SCAN);
821
822 MALO_HAL_UNLOCK(mh);
823
824 return ret;
825 }
826
827 int
828 malo_hal_set_slot(struct malo_hal *mh, int is_short)
829 {
830 int ret;
831 struct malo_cmd_fw_setslot *cmd;
832
833 MALO_HAL_LOCK(mh);
834
835 _CMD_SETUP(cmd, struct malo_cmd_fw_setslot, MALO_HOSTCMD_SET_SLOT);
836 cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
837 cmd->slot = (is_short == 1 ? 1 : 0);
838
839 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_SLOT);
840
841 MALO_HAL_UNLOCK(mh);
842
843 return ret;
844 }
845
846 int
847 malo_hal_set_rate(struct malo_hal *mh, uint16_t curmode, uint8_t rate)
848 {
849 int i, ret;
850 struct malo_cmd_set_rate *cmd;
851
852 MALO_HAL_LOCK(mh);
853
854 _CMD_SETUP(cmd, struct malo_cmd_set_rate, MALO_HOSTCMD_SET_RATE);
855 cmd->aprates[0] = 2;
856 cmd->aprates[1] = 4;
857 cmd->aprates[2] = 11;
858 cmd->aprates[3] = 22;
859 if (curmode == IEEE80211_MODE_11G) {
860 cmd->aprates[4] = 0; /* XXX reserved? */
861 cmd->aprates[5] = 12;
862 cmd->aprates[6] = 18;
863 cmd->aprates[7] = 24;
864 cmd->aprates[8] = 36;
865 cmd->aprates[9] = 48;
866 cmd->aprates[10] = 72;
867 cmd->aprates[11] = 96;
868 cmd->aprates[12] = 108;
869 }
870
871 if (rate != 0) {
872 /* fixed rate */
873 for (i = 0; i < 13; i++) {
874 if (cmd->aprates[i] == rate) {
875 cmd->rateindex = i;
876 cmd->dataratetype = 1;
877 break;
878 }
879 }
880 }
881
882 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_RATE);
883
884 MALO_HAL_UNLOCK(mh);
885
886 return ret;
887 }
888
889 int
890 malo_hal_setmcast(struct malo_hal *mh, int nmc, const uint8_t macs[])
891 {
892 struct malo_cmd_mcast *cmd;
893 int ret;
894
895 if (nmc > MALO_HAL_MCAST_MAX)
896 return EINVAL;
897
898 MALO_HAL_LOCK(mh);
899
900 _CMD_SETUP(cmd, struct malo_cmd_mcast, MALO_HOSTCMD_MAC_MULTICAST_ADR);
901 memcpy(cmd->maclist, macs, nmc * IEEE80211_ADDR_LEN);
902 cmd->numaddr = htole16(nmc);
903 cmd->action = htole16(0xffff);
904
905 ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_MAC_MULTICAST_ADR);
906
907 MALO_HAL_UNLOCK(mh);
908
909 return ret;
910 }
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