xref: /freebsd/sys/dev/malo/if_malohal.c (revision ddfc6f84f24215b418af19260e9156219f6df03e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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/param.h>
35 #include <sys/systm.h>
36 #include <sys/endian.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/firmware.h>
40 #include <sys/socket.h>
41 
42 #include <machine/bus.h>
43 #include <sys/bus.h>
44 
45 #include <net/if.h>
46 #include <net/if_var.h>
47 #include <net/if_dl.h>
48 #include <net/if_media.h>
49 #include <net/ethernet.h>
50 
51 #include <net80211/ieee80211_var.h>
52 
53 #include <dev/malo/if_malo.h>
54 
55 #define MALO_WAITOK				1
56 #define MALO_NOWAIT				0
57 
58 #define	_CMD_SETUP(pCmd, _type, _cmd) do {				\
59 	pCmd = (_type *)&mh->mh_cmdbuf[0];				\
60 	memset(pCmd, 0, sizeof(_type));					\
61 	pCmd->cmdhdr.cmd = htole16(_cmd);				\
62 	pCmd->cmdhdr.length = htole16(sizeof(_type));			\
63 } while (0)
64 
65 static __inline uint32_t
66 malo_hal_read4(struct malo_hal *mh, bus_size_t off)
67 {
68 	return bus_space_read_4(mh->mh_iot, mh->mh_ioh, off);
69 }
70 
71 static __inline void
72 malo_hal_write4(struct malo_hal *mh, bus_size_t off, uint32_t val)
73 {
74 	bus_space_write_4(mh->mh_iot, mh->mh_ioh, off, val);
75 }
76 
77 static void
78 malo_hal_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
79 {
80 	bus_addr_t *paddr = (bus_addr_t*) arg;
81 
82 	KASSERT(error == 0, ("error %u on bus_dma callback", error));
83 	*paddr = segs->ds_addr;
84 }
85 
86 /*
87  * Setup for communication with the device.  We allocate
88  * a command buffer and map it for bus dma use.  The pci
89  * device id is used to identify whether the device has
90  * SRAM on it (in which case f/w download must include a
91  * memory controller reset).  All bus i/o operations happen
92  * in BAR 1; the driver passes in the tag and handle we need.
93  */
94 struct malo_hal *
95 malo_hal_attach(device_t dev, uint16_t devid,
96     bus_space_handle_t ioh, bus_space_tag_t iot, bus_dma_tag_t tag)
97 {
98 	int error;
99 	struct malo_hal *mh;
100 
101 	mh = malloc(sizeof(struct malo_hal), M_DEVBUF, M_NOWAIT | M_ZERO);
102 	if (mh == NULL)
103 		return NULL;
104 
105 	mh->mh_dev = dev;
106 	mh->mh_ioh = ioh;
107 	mh->mh_iot = iot;
108 
109 	snprintf(mh->mh_mtxname, sizeof(mh->mh_mtxname),
110 	    "%s_hal", device_get_nameunit(dev));
111 	mtx_init(&mh->mh_mtx, mh->mh_mtxname, NULL, MTX_DEF);
112 
113 	/*
114 	 * Allocate the command buffer and map into the address
115 	 * space of the h/w.  We request "coherent" memory which
116 	 * will be uncached on some architectures.
117 	 */
118 	error = bus_dma_tag_create(tag,		/* parent */
119 		       PAGE_SIZE, 0,		/* alignment, bounds */
120 		       BUS_SPACE_MAXADDR_32BIT,	/* lowaddr */
121 		       BUS_SPACE_MAXADDR,	/* highaddr */
122 		       NULL, NULL,		/* filter, filterarg */
123 		       MALO_CMDBUF_SIZE,	/* maxsize */
124 		       1,			/* nsegments */
125 		       MALO_CMDBUF_SIZE,	/* maxsegsize */
126 		       BUS_DMA_ALLOCNOW,	/* flags */
127 		       NULL,			/* lockfunc */
128 		       NULL,			/* lockarg */
129 		       &mh->mh_dmat);
130 	if (error != 0) {
131 		device_printf(dev, "unable to allocate memory for cmd tag, "
132 			"error %u\n", error);
133 		goto fail;
134 	}
135 
136 	/* allocate descriptors */
137 	error = bus_dmamem_alloc(mh->mh_dmat, (void**) &mh->mh_cmdbuf,
138 				 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
139 				 &mh->mh_dmamap);
140 	if (error != 0) {
141 		device_printf(dev, "unable to allocate memory for cmd buffer, "
142 			"error %u\n", error);
143 		goto fail;
144 	}
145 
146 	error = bus_dmamap_load(mh->mh_dmat, mh->mh_dmamap,
147 				mh->mh_cmdbuf, MALO_CMDBUF_SIZE,
148 				malo_hal_load_cb, &mh->mh_cmdaddr,
149 				BUS_DMA_NOWAIT);
150 	if (error != 0) {
151 		device_printf(dev, "unable to load cmd buffer, error %u\n",
152 			error);
153 		goto fail;
154 	}
155 
156 	return (mh);
157 
158 fail:
159 	if (mh->mh_cmdbuf != NULL)
160 		bus_dmamem_free(mh->mh_dmat, mh->mh_cmdbuf,
161 		    mh->mh_dmamap);
162 	if (mh->mh_dmat)
163 		bus_dma_tag_destroy(mh->mh_dmat);
164 	free(mh, M_DEVBUF);
165 
166 	return (NULL);
167 }
168 
169 /*
170  * Low level firmware cmd block handshake support.
171  */
172 
173 static void
174 malo_hal_send_cmd(struct malo_hal *mh)
175 {
176 
177 	bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap,
178 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
179 
180 	malo_hal_write4(mh, MALO_REG_GEN_PTR, mh->mh_cmdaddr);
181 	malo_hal_read4(mh, MALO_REG_INT_CODE);
182 
183 	malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS,
184 	    MALO_H2ARIC_BIT_DOOR_BELL);
185 }
186 
187 static int
188 malo_hal_waitforcmd(struct malo_hal *mh, uint16_t cmd)
189 {
190 #define MAX_WAIT_FW_COMPLETE_ITERATIONS 10000
191 	int i;
192 
193 	for (i = 0; i < MAX_WAIT_FW_COMPLETE_ITERATIONS; i++) {
194 		if (mh->mh_cmdbuf[0] == le16toh(cmd))
195 			return 1;
196 
197 		DELAY(1 * 1000);
198 	}
199 
200 	return 0;
201 #undef MAX_WAIT_FW_COMPLETE_ITERATIONS
202 }
203 
204 static int
205 malo_hal_execute_cmd(struct malo_hal *mh, unsigned short cmd)
206 {
207 	MALO_HAL_LOCK_ASSERT(mh);
208 
209 	if ((mh->mh_flags & MHF_FWHANG) &&
210 	    (mh->mh_debug & MALO_HAL_DEBUG_IGNHANG) == 0) {
211 		device_printf(mh->mh_dev, "firmware hung, skipping cmd 0x%x\n",
212 			cmd);
213 		return ENXIO;
214 	}
215 
216 	if (malo_hal_read4(mh, MALO_REG_INT_CODE) == 0xffffffff) {
217 		device_printf(mh->mh_dev, "%s: device not present!\n",
218 		    __func__);
219 		return EIO;
220 	}
221 
222 	malo_hal_send_cmd(mh);
223 	if (!malo_hal_waitforcmd(mh, cmd | 0x8000)) {
224 		device_printf(mh->mh_dev,
225 		    "timeout waiting for f/w cmd 0x%x\n", cmd);
226 		mh->mh_flags |= MHF_FWHANG;
227 		return ETIMEDOUT;
228 	}
229 
230 	bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap,
231 	    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
232 
233 	return 0;
234 }
235 
236 static int
237 malo_hal_get_cal_table(struct malo_hal *mh, uint8_t annex, uint8_t index)
238 {
239 	struct malo_cmd_caltable *cmd;
240 	int ret;
241 
242 	MALO_HAL_LOCK_ASSERT(mh);
243 
244 	_CMD_SETUP(cmd, struct malo_cmd_caltable, MALO_HOSTCMD_GET_CALTABLE);
245 	cmd->annex = annex;
246 	cmd->index = index;
247 
248 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_GET_CALTABLE);
249 	if (ret == 0 && cmd->caltbl[0] != annex && annex != 0 && annex != 255)
250 		ret = EIO;
251 	return ret;
252 }
253 
254 static int
255 malo_hal_get_pwrcal_table(struct malo_hal *mh, struct malo_hal_caldata *cal)
256 {
257 	const uint8_t *data;
258 	int len;
259 
260 	MALO_HAL_LOCK(mh);
261 	/* NB: we hold the lock so it's ok to use cmdbuf */
262 	data = ((const struct malo_cmd_caltable *) mh->mh_cmdbuf)->caltbl;
263 	if (malo_hal_get_cal_table(mh, 33, 0) == 0) {
264 		len = (data[2] | (data[3] << 8)) - 12;
265 		/* XXX validate len */
266 		memcpy(cal->pt_ratetable_20m, &data[12], len);
267 	}
268 	mh->mh_flags |= MHF_CALDATA;
269 	MALO_HAL_UNLOCK(mh);
270 
271 	return 0;
272 }
273 
274 /*
275  * Reset internal state after a firmware download.
276  */
277 static int
278 malo_hal_resetstate(struct malo_hal *mh)
279 {
280 	/*
281 	 * Fetch cal data for later use.
282 	 * XXX may want to fetch other stuff too.
283 	 */
284 	if ((mh->mh_flags & MHF_CALDATA) == 0)
285 		malo_hal_get_pwrcal_table(mh, &mh->mh_caldata);
286 	return 0;
287 }
288 
289 static void
290 malo_hal_fw_reset(struct malo_hal *mh)
291 {
292 
293 	if (malo_hal_read4(mh,  MALO_REG_INT_CODE) == 0xffffffff) {
294 		device_printf(mh->mh_dev, "%s: device not present!\n",
295 		    __func__);
296 		return;
297 	}
298 
299 	malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS, MALO_ISR_RESET);
300 	mh->mh_flags &= ~MHF_FWHANG;
301 }
302 
303 static void
304 malo_hal_trigger_pcicmd(struct malo_hal *mh)
305 {
306 
307 	bus_dmamap_sync(mh->mh_dmat, mh->mh_dmamap, BUS_DMASYNC_PREWRITE);
308 
309 	malo_hal_write4(mh, MALO_REG_GEN_PTR, mh->mh_cmdaddr);
310 	malo_hal_read4(mh, MALO_REG_INT_CODE);
311 
312 	malo_hal_write4(mh, MALO_REG_INT_CODE, 0x00);
313 	malo_hal_read4(mh, MALO_REG_INT_CODE);
314 
315 	malo_hal_write4(mh, MALO_REG_H2A_INTERRUPT_EVENTS,
316 	    MALO_H2ARIC_BIT_DOOR_BELL);
317 	malo_hal_read4(mh, MALO_REG_INT_CODE);
318 }
319 
320 static int
321 malo_hal_waitfor(struct malo_hal *mh, uint32_t val)
322 {
323 	int i;
324 
325 	for (i = 0; i < MALO_FW_MAX_NUM_CHECKS; i++) {
326 		DELAY(MALO_FW_CHECK_USECS);
327 		if (malo_hal_read4(mh, MALO_REG_INT_CODE) == val)
328 			return 0;
329 	}
330 
331 	return -1;
332 }
333 
334 /*
335  * Firmware block xmit when talking to the boot-rom.
336  */
337 static int
338 malo_hal_send_helper(struct malo_hal *mh, int bsize,
339     const void *data, size_t dsize, int waitfor)
340 {
341 	mh->mh_cmdbuf[0] = htole16(MALO_HOSTCMD_CODE_DNLD);
342 	mh->mh_cmdbuf[1] = htole16(bsize);
343 	memcpy(&mh->mh_cmdbuf[4], data , dsize);
344 
345 	malo_hal_trigger_pcicmd(mh);
346 
347 	if (waitfor == MALO_NOWAIT)
348 		goto pass;
349 
350 	/* XXX 2000 vs 200 */
351 	if (malo_hal_waitfor(mh, MALO_INT_CODE_CMD_FINISHED) != 0) {
352 		device_printf(mh->mh_dev,
353 		    "%s: timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
354 		    __func__, malo_hal_read4(mh, MALO_REG_INT_CODE));
355 
356 		return ETIMEDOUT;
357 	}
358 
359 pass:
360 	malo_hal_write4(mh, MALO_REG_INT_CODE, 0);
361 
362 	return (0);
363 }
364 
365 static int
366 malo_hal_fwload_helper(struct malo_hal *mh, char *helper)
367 {
368 	const struct firmware *fw;
369 	int error;
370 
371 	fw = firmware_get(helper);
372 	if (fw == NULL) {
373 		device_printf(mh->mh_dev, "could not read microcode %s!\n",
374 		    helper);
375 		return (EIO);
376 	}
377 
378 	device_printf(mh->mh_dev, "load %s firmware image (%zu bytes)\n",
379 	    helper, fw->datasize);
380 
381 	error = malo_hal_send_helper(mh, fw->datasize, fw->data, fw->datasize,
382 		MALO_WAITOK);
383 	if (error != 0)
384 		goto fail;
385 
386 	/* tell the card we're done and... */
387 	error = malo_hal_send_helper(mh, 0, NULL, 0, MALO_NOWAIT);
388 
389 fail:
390 	firmware_put(fw, FIRMWARE_UNLOAD);
391 
392 	return (error);
393 }
394 
395 /*
396  * Firmware block xmit when talking to the 1st-stage loader.
397  */
398 static int
399 malo_hal_send_main(struct malo_hal *mh, const void *data, size_t dsize,
400     uint16_t seqnum, int waitfor)
401 {
402 	mh->mh_cmdbuf[0] = htole16(MALO_HOSTCMD_CODE_DNLD);
403 	mh->mh_cmdbuf[1] = htole16(dsize);
404 	mh->mh_cmdbuf[2] = htole16(seqnum);
405 	mh->mh_cmdbuf[3] = 0;
406 	memcpy(&mh->mh_cmdbuf[4], data, dsize);
407 
408 	malo_hal_trigger_pcicmd(mh);
409 
410 	if (waitfor == MALO_NOWAIT)
411 		goto pass;
412 
413 	if (malo_hal_waitfor(mh, MALO_INT_CODE_CMD_FINISHED) != 0) {
414 		device_printf(mh->mh_dev,
415 		    "%s: timeout waiting for CMD_FINISHED, INT_CODE 0x%x\n",
416 		    __func__, malo_hal_read4(mh, MALO_REG_INT_CODE));
417 
418 		return ETIMEDOUT;
419 	}
420 
421 pass:
422 	malo_hal_write4(mh, MALO_REG_INT_CODE, 0);
423 
424 	return 0;
425 }
426 
427 static int
428 malo_hal_fwload_main(struct malo_hal *mh, char *firmware)
429 {
430 	const struct firmware *fw;
431 	const uint8_t *fp;
432 	int error;
433 	size_t count;
434 	uint16_t seqnum;
435 	uint32_t blocksize;
436 
437 	error = 0;
438 
439 	fw = firmware_get(firmware);
440 	if (fw == NULL) {
441 		device_printf(mh->mh_dev, "could not read firmware %s!\n",
442 		    firmware);
443 		return (EIO);
444 	}
445 
446 	device_printf(mh->mh_dev, "load %s firmware image (%zu bytes)\n",
447 	    firmware, fw->datasize);
448 
449 	seqnum = 1;
450 	for (count = 0; count < fw->datasize; count += blocksize) {
451 		blocksize = MIN(256, fw->datasize - count);
452 		fp = (const uint8_t *)fw->data + count;
453 
454 		error = malo_hal_send_main(mh, fp, blocksize, seqnum++,
455 		    MALO_NOWAIT);
456 		if (error != 0)
457 			goto fail;
458 		DELAY(500);
459 	}
460 
461 	/*
462 	 * send a command with size 0 to tell that the firmware has been
463 	 * uploaded
464 	 */
465 	error = malo_hal_send_main(mh, NULL, 0, seqnum++, MALO_NOWAIT);
466 	DELAY(100);
467 
468 fail:
469 	firmware_put(fw, FIRMWARE_UNLOAD);
470 
471 	return (error);
472 }
473 
474 int
475 malo_hal_fwload(struct malo_hal *mh, char *helper, char *firmware)
476 {
477 	int error, i;
478 	uint32_t fwreadysig, opmode;
479 
480 	/*
481 	 * NB: now malo(4) supports only STA mode.  It will be better if it
482 	 * supports AP mode.
483 	 */
484 	fwreadysig = MALO_HOSTCMD_STA_FWRDY_SIGNATURE;
485 	opmode = MALO_HOSTCMD_STA_MODE;
486 
487 	malo_hal_fw_reset(mh);
488 
489 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_CLEAR_SEL,
490 	    MALO_A2HRIC_BIT_MASK);
491 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_CAUSE, 0x00);
492 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, 0x00);
493 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_STATUS_MASK,
494 	    MALO_A2HRIC_BIT_MASK);
495 
496 	error = malo_hal_fwload_helper(mh, helper);
497 	if (error != 0) {
498 		device_printf(mh->mh_dev, "failed to load bootrom loader.\n");
499 		goto fail;
500 	}
501 
502 	DELAY(200 * MALO_FW_CHECK_USECS);
503 
504 	error = malo_hal_fwload_main(mh, firmware);
505 	if (error != 0) {
506 		device_printf(mh->mh_dev, "failed to load firmware.\n");
507 		goto fail;
508 	}
509 
510 	/*
511 	 * Wait for firmware to startup; we monitor the INT_CODE register
512 	 * waiting for a signature to written back indicating it's ready to go.
513 	 */
514 	mh->mh_cmdbuf[1] = 0;
515 
516 	if (opmode != MALO_HOSTCMD_STA_MODE)
517 		malo_hal_trigger_pcicmd(mh);
518 
519 	for (i = 0; i < MALO_FW_MAX_NUM_CHECKS; i++) {
520 		malo_hal_write4(mh, MALO_REG_GEN_PTR, opmode);
521 		DELAY(MALO_FW_CHECK_USECS);
522 		if (malo_hal_read4(mh, MALO_REG_INT_CODE) == fwreadysig) {
523 			malo_hal_write4(mh, MALO_REG_INT_CODE, 0x00);
524 			return malo_hal_resetstate(mh);
525 		}
526 	}
527 
528 	return ETIMEDOUT;
529 fail:
530 	malo_hal_fw_reset(mh);
531 
532 	return (error);
533 }
534 
535 /*
536  * Return "hw specs".  Note this must be the first cmd MUST be done after
537  * a firmware download or the f/w will lockup.
538  */
539 int
540 malo_hal_gethwspecs(struct malo_hal *mh, struct malo_hal_hwspec *hw)
541 {
542 	struct malo_cmd_get_hwspec *cmd;
543 	int ret;
544 
545 	MALO_HAL_LOCK(mh);
546 
547 	_CMD_SETUP(cmd, struct malo_cmd_get_hwspec, MALO_HOSTCMD_GET_HW_SPEC);
548 	memset(&cmd->permaddr[0], 0xff, IEEE80211_ADDR_LEN);
549 	cmd->ul_fw_awakecookie = htole32((unsigned int)mh->mh_cmdaddr + 2048);
550 
551 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_GET_HW_SPEC);
552 	if (ret == 0) {
553 		IEEE80211_ADDR_COPY(hw->macaddr, cmd->permaddr);
554 		hw->wcbbase[0] = le32toh(cmd->wcbbase0) & 0x0000ffff;
555 		hw->wcbbase[1] = le32toh(cmd->wcbbase1) & 0x0000ffff;
556 		hw->wcbbase[2] = le32toh(cmd->wcbbase2) & 0x0000ffff;
557 		hw->wcbbase[3] = le32toh(cmd->wcbbase3) & 0x0000ffff;
558 		hw->rxdesc_read = le32toh(cmd->rxpdrd_ptr)& 0x0000ffff;
559 		hw->rxdesc_write = le32toh(cmd->rxpdwr_ptr)& 0x0000ffff;
560 		hw->regioncode = le16toh(cmd->regioncode) & 0x00ff;
561 		hw->fw_releasenum = le32toh(cmd->fw_releasenum);
562 		hw->maxnum_wcb = le16toh(cmd->num_wcb);
563 		hw->maxnum_mcaddr = le16toh(cmd->num_mcastaddr);
564 		hw->num_antenna = le16toh(cmd->num_antenna);
565 		hw->hwversion = cmd->version;
566 		hw->hostinterface = cmd->hostif;
567 	}
568 
569 	MALO_HAL_UNLOCK(mh);
570 
571 	return ret;
572 }
573 
574 void
575 malo_hal_detach(struct malo_hal *mh)
576 {
577 
578 	bus_dmamem_free(mh->mh_dmat, mh->mh_cmdbuf, mh->mh_dmamap);
579 	bus_dma_tag_destroy(mh->mh_dmat);
580 	mtx_destroy(&mh->mh_mtx);
581 	free(mh, M_DEVBUF);
582 }
583 
584 /*
585  * Configure antenna use.  Takes effect immediately.
586  *
587  * XXX tx antenna setting ignored
588  * XXX rx antenna setting should always be 3 (for now)
589  */
590 int
591 malo_hal_setantenna(struct malo_hal *mh, enum malo_hal_antenna dirset, int ant)
592 {
593 	struct malo_cmd_rf_antenna *cmd;
594 	int ret;
595 
596 	if (!(dirset == MHA_ANTENNATYPE_RX || dirset == MHA_ANTENNATYPE_TX))
597 		return EINVAL;
598 
599 	MALO_HAL_LOCK(mh);
600 
601 	_CMD_SETUP(cmd, struct malo_cmd_rf_antenna,
602 	    MALO_HOSTCMD_802_11_RF_ANTENNA);
603 	cmd->action = htole16(dirset);
604 	if (ant == 0) {			/* default to all/both antennae */
605 		/* XXX never reach now.  */
606 		ant = 3;
607 	}
608 	cmd->mode = htole16(ant);
609 
610 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RF_ANTENNA);
611 
612 	MALO_HAL_UNLOCK(mh);
613 
614 	return ret;
615 }
616 
617 /*
618  * Configure radio.  Takes effect immediately.
619  *
620  * XXX preamble installed after set fixed rate cmd
621  */
622 int
623 malo_hal_setradio(struct malo_hal *mh, int onoff,
624     enum malo_hal_preamble preamble)
625 {
626 	struct malo_cmd_radio_control *cmd;
627 	int ret;
628 
629 	MALO_HAL_LOCK(mh);
630 
631 	_CMD_SETUP(cmd, struct malo_cmd_radio_control,
632 	    MALO_HOSTCMD_802_11_RADIO_CONTROL);
633 	cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
634 	if (onoff == 0)
635 		cmd->control = 0;
636 	else
637 		cmd->control = htole16(preamble);
638 	cmd->radio_on = htole16(onoff);
639 
640 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RADIO_CONTROL);
641 
642 	MALO_HAL_UNLOCK(mh);
643 
644 	return ret;
645 }
646 
647 /*
648  * Set the interrupt mask.
649  */
650 void
651 malo_hal_intrset(struct malo_hal *mh, uint32_t mask)
652 {
653 
654 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, 0);
655 	(void)malo_hal_read4(mh, MALO_REG_INT_CODE);
656 
657 	mh->mh_imask = mask;
658 	malo_hal_write4(mh, MALO_REG_A2H_INTERRUPT_MASK, mask);
659 	(void)malo_hal_read4(mh, MALO_REG_INT_CODE);
660 }
661 
662 int
663 malo_hal_setchannel(struct malo_hal *mh, const struct malo_hal_channel *chan)
664 {
665 	struct malo_cmd_fw_set_rf_channel *cmd;
666 	int ret;
667 
668 	MALO_HAL_LOCK(mh);
669 
670 	_CMD_SETUP(cmd, struct malo_cmd_fw_set_rf_channel,
671 	    MALO_HOSTCMD_SET_RF_CHANNEL);
672 	cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
673 	cmd->cur_channel = chan->channel;
674 
675 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_RF_CHANNEL);
676 
677 	MALO_HAL_UNLOCK(mh);
678 
679 	return ret;
680 }
681 
682 int
683 malo_hal_settxpower(struct malo_hal *mh, const struct malo_hal_channel *c)
684 {
685 	struct malo_cmd_rf_tx_power *cmd;
686 	const struct malo_hal_caldata *cal = &mh->mh_caldata;
687 	uint8_t chan = c->channel;
688 	uint16_t pow;
689 	int i, idx, ret;
690 
691 	MALO_HAL_LOCK(mh);
692 
693 	_CMD_SETUP(cmd, struct malo_cmd_rf_tx_power,
694 	    MALO_HOSTCMD_802_11_RF_TX_POWER);
695 	cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET_LIST);
696 	for (i = 0; i < 4; i++) {
697 		idx = (chan - 1) * 4 + i;
698 		pow = cal->pt_ratetable_20m[idx];
699 		cmd->power_levellist[i] = htole16(pow);
700 	}
701 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_802_11_RF_TX_POWER);
702 
703 	MALO_HAL_UNLOCK(mh);
704 
705 	return ret;
706 }
707 
708 int
709 malo_hal_setpromisc(struct malo_hal *mh, int enable)
710 {
711 	/* XXX need host cmd */
712 	return 0;
713 }
714 
715 int
716 malo_hal_setassocid(struct malo_hal *mh,
717     const uint8_t bssid[IEEE80211_ADDR_LEN], uint16_t associd)
718 {
719 	struct malo_cmd_fw_set_aid *cmd;
720 	int ret;
721 
722 	MALO_HAL_LOCK(mh);
723 
724 	_CMD_SETUP(cmd, struct malo_cmd_fw_set_aid,
725 	    MALO_HOSTCMD_SET_AID);
726 	cmd->cmdhdr.seqnum = 1;
727 	cmd->associd = htole16(associd);
728 	IEEE80211_ADDR_COPY(&cmd->macaddr[0], bssid);
729 
730 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_AID);
731 	MALO_HAL_UNLOCK(mh);
732 	return ret;
733 }
734 
735 /*
736  * Kick the firmware to tell it there are new tx descriptors
737  * for processing.  The driver says what h/w q has work in
738  * case the f/w ever gets smarter.
739  */
740 void
741 malo_hal_txstart(struct malo_hal *mh, int qnum)
742 {
743 	bus_space_write_4(mh->mh_iot, mh->mh_ioh,
744 	    MALO_REG_H2A_INTERRUPT_EVENTS, MALO_H2ARIC_BIT_PPA_READY);
745 	(void) bus_space_read_4(mh->mh_iot, mh->mh_ioh, MALO_REG_INT_CODE);
746 }
747 
748 /*
749  * Return the current ISR setting and clear the cause.
750  */
751 void
752 malo_hal_getisr(struct malo_hal *mh, uint32_t *status)
753 {
754 	uint32_t cause;
755 
756 	cause = bus_space_read_4(mh->mh_iot, mh->mh_ioh,
757 	    MALO_REG_A2H_INTERRUPT_CAUSE);
758 	if (cause == 0xffffffff) {	/* card removed */
759 		cause = 0;
760 	} else if (cause != 0) {
761 		/* clear cause bits */
762 		bus_space_write_4(mh->mh_iot, mh->mh_ioh,
763 		    MALO_REG_A2H_INTERRUPT_CAUSE, cause &~ mh->mh_imask);
764 		(void) bus_space_read_4(mh->mh_iot, mh->mh_ioh,
765 		    MALO_REG_INT_CODE);
766 		cause &= mh->mh_imask;
767 	}
768 
769 	*status = cause;
770 }
771 
772 /*
773  * Callback from the driver on a cmd done interrupt.  Nothing to do right
774  * now as we spin waiting for cmd completion.
775  */
776 void
777 malo_hal_cmddone(struct malo_hal *mh)
778 {
779 	/* NB : do nothing.  */
780 }
781 
782 int
783 malo_hal_prescan(struct malo_hal *mh)
784 {
785 	struct malo_cmd_prescan *cmd;
786 	int ret;
787 
788 	MALO_HAL_LOCK(mh);
789 
790 	_CMD_SETUP(cmd, struct malo_cmd_prescan, MALO_HOSTCMD_SET_PRE_SCAN);
791 	cmd->cmdhdr.seqnum = 1;
792 
793 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_PRE_SCAN);
794 
795 	MALO_HAL_UNLOCK(mh);
796 
797 	return ret;
798 }
799 
800 int
801 malo_hal_postscan(struct malo_hal *mh, uint8_t *macaddr, uint8_t ibsson)
802 {
803 	struct malo_cmd_postscan *cmd;
804 	int ret;
805 
806 	MALO_HAL_LOCK(mh);
807 
808 	_CMD_SETUP(cmd, struct malo_cmd_postscan, MALO_HOSTCMD_SET_POST_SCAN);
809 	cmd->cmdhdr.seqnum = 1;
810 	cmd->isibss = htole32(ibsson);
811 	IEEE80211_ADDR_COPY(&cmd->bssid[0], macaddr);
812 
813 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_POST_SCAN);
814 
815 	MALO_HAL_UNLOCK(mh);
816 
817 	return ret;
818 }
819 
820 int
821 malo_hal_set_slot(struct malo_hal *mh, int is_short)
822 {
823 	int ret;
824 	struct malo_cmd_fw_setslot *cmd;
825 
826 	MALO_HAL_LOCK(mh);
827 
828 	_CMD_SETUP(cmd, struct malo_cmd_fw_setslot, MALO_HOSTCMD_SET_SLOT);
829 	cmd->action = htole16(MALO_HOSTCMD_ACT_GEN_SET);
830 	cmd->slot = (is_short == 1 ? 1 : 0);
831 
832 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_SLOT);
833 
834 	MALO_HAL_UNLOCK(mh);
835 
836 	return ret;
837 }
838 
839 int
840 malo_hal_set_rate(struct malo_hal *mh, uint16_t curmode, uint8_t rate)
841 {
842 	int i, ret;
843 	struct malo_cmd_set_rate *cmd;
844 
845 	MALO_HAL_LOCK(mh);
846 
847 	_CMD_SETUP(cmd, struct malo_cmd_set_rate, MALO_HOSTCMD_SET_RATE);
848 	cmd->aprates[0] = 2;
849 	cmd->aprates[1] = 4;
850 	cmd->aprates[2] = 11;
851 	cmd->aprates[3] = 22;
852 	if (curmode == IEEE80211_MODE_11G) {
853 		cmd->aprates[4] = 0;		/* XXX reserved?  */
854 		cmd->aprates[5] = 12;
855 		cmd->aprates[6] = 18;
856 		cmd->aprates[7] = 24;
857 		cmd->aprates[8] = 36;
858 		cmd->aprates[9] = 48;
859 		cmd->aprates[10] = 72;
860 		cmd->aprates[11] = 96;
861 		cmd->aprates[12] = 108;
862 	}
863 
864 	if (rate != 0) {
865 		/* fixed rate */
866 		for (i = 0; i < 13; i++) {
867 			if (cmd->aprates[i] == rate) {
868 				cmd->rateindex = i;
869 				cmd->dataratetype = 1;
870 				break;
871 			}
872 		}
873 	}
874 
875 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_SET_RATE);
876 
877 	MALO_HAL_UNLOCK(mh);
878 
879 	return ret;
880 }
881 
882 int
883 malo_hal_setmcast(struct malo_hal *mh, int nmc, const uint8_t macs[])
884 {
885 	struct malo_cmd_mcast *cmd;
886 	int ret;
887 
888 	if (nmc > MALO_HAL_MCAST_MAX)
889 		return EINVAL;
890 
891 	MALO_HAL_LOCK(mh);
892 
893 	_CMD_SETUP(cmd, struct malo_cmd_mcast, MALO_HOSTCMD_MAC_MULTICAST_ADR);
894 	memcpy(cmd->maclist, macs, nmc * IEEE80211_ADDR_LEN);
895 	cmd->numaddr = htole16(nmc);
896 	cmd->action = htole16(0xffff);
897 
898 	ret = malo_hal_execute_cmd(mh, MALO_HOSTCMD_MAC_MULTICAST_ADR);
899 
900 	MALO_HAL_UNLOCK(mh);
901 
902 	return ret;
903 }
904