wl1271: add workaround to avoid distortion due to excessive tx power
[linux-2.6.git] / drivers / net / wireless / wl12xx / wl1271_acx.c
1 /*
2  * This file is part of wl1271
3  *
4  * Copyright (C) 2008-2009 Nokia Corporation
5  *
6  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  *
22  */
23
24 #include "wl1271_acx.h"
25
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/crc7.h>
29 #include <linux/spi/spi.h>
30
31 #include "wl1271.h"
32 #include "wl12xx_80211.h"
33 #include "wl1271_reg.h"
34 #include "wl1271_spi.h"
35 #include "wl1271_ps.h"
36
37 int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
38                                   u8 listen_interval)
39 {
40         struct acx_wake_up_condition *wake_up;
41         int ret;
42
43         wl1271_debug(DEBUG_ACX, "acx wake up conditions");
44
45         wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
46         if (!wake_up) {
47                 ret = -ENOMEM;
48                 goto out;
49         }
50
51         wake_up->wake_up_event = wake_up_event;
52         wake_up->listen_interval = listen_interval;
53
54         ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
55                                    wake_up, sizeof(*wake_up));
56         if (ret < 0) {
57                 wl1271_warning("could not set wake up conditions: %d", ret);
58                 goto out;
59         }
60
61 out:
62         kfree(wake_up);
63         return ret;
64 }
65
66 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
67 {
68         struct acx_sleep_auth *auth;
69         int ret;
70
71         wl1271_debug(DEBUG_ACX, "acx sleep auth");
72
73         auth = kzalloc(sizeof(*auth), GFP_KERNEL);
74         if (!auth) {
75                 ret = -ENOMEM;
76                 goto out;
77         }
78
79         auth->sleep_auth = sleep_auth;
80
81         ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
82         if (ret < 0)
83                 return ret;
84
85 out:
86         kfree(auth);
87         return ret;
88 }
89
90 int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len)
91 {
92         struct acx_revision *rev;
93         int ret;
94
95         wl1271_debug(DEBUG_ACX, "acx fw rev");
96
97         rev = kzalloc(sizeof(*rev), GFP_KERNEL);
98         if (!rev) {
99                 ret = -ENOMEM;
100                 goto out;
101         }
102
103         ret = wl1271_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
104         if (ret < 0) {
105                 wl1271_warning("ACX_FW_REV interrogate failed");
106                 goto out;
107         }
108
109         /* be careful with the buffer sizes */
110         strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version)));
111
112         /*
113          * if the firmware version string is exactly
114          * sizeof(rev->fw_version) long or fw_len is less than
115          * sizeof(rev->fw_version) it won't be null terminated
116          */
117         buf[min(len, sizeof(rev->fw_version)) - 1] = '\0';
118
119 out:
120         kfree(rev);
121         return ret;
122 }
123
124 int wl1271_acx_tx_power(struct wl1271 *wl, int power)
125 {
126         struct acx_current_tx_power *acx;
127         int ret;
128
129         wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
130
131         if (power < 0 || power > 25)
132                 return -EINVAL;
133
134         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
135         if (!acx) {
136                 ret = -ENOMEM;
137                 goto out;
138         }
139
140         /*
141          * FIXME: This is a workaround needed while we don't the correct
142          * calibration, to avoid distortions
143          */
144         /* acx->current_tx_power = power * 10; */
145         acx->current_tx_power = 70;
146
147         ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
148         if (ret < 0) {
149                 wl1271_warning("configure of tx power failed: %d", ret);
150                 goto out;
151         }
152
153 out:
154         kfree(acx);
155         return ret;
156 }
157
158 int wl1271_acx_feature_cfg(struct wl1271 *wl)
159 {
160         struct acx_feature_config *feature;
161         int ret;
162
163         wl1271_debug(DEBUG_ACX, "acx feature cfg");
164
165         feature = kzalloc(sizeof(*feature), GFP_KERNEL);
166         if (!feature) {
167                 ret = -ENOMEM;
168                 goto out;
169         }
170
171         /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
172         feature->data_flow_options = 0;
173         feature->options = 0;
174
175         ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
176                                    feature, sizeof(*feature));
177         if (ret < 0) {
178                 wl1271_error("Couldnt set HW encryption");
179                 goto out;
180         }
181
182 out:
183         kfree(feature);
184         return ret;
185 }
186
187 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
188                        size_t len)
189 {
190         int ret;
191
192         wl1271_debug(DEBUG_ACX, "acx mem map");
193
194         ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
195         if (ret < 0)
196                 return ret;
197
198         return 0;
199 }
200
201 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
202 {
203         struct acx_rx_msdu_lifetime *acx;
204         int ret;
205
206         wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
207
208         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
209         if (!acx) {
210                 ret = -ENOMEM;
211                 goto out;
212         }
213
214         acx->lifetime = life_time;
215         ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
216                                    acx, sizeof(*acx));
217         if (ret < 0) {
218                 wl1271_warning("failed to set rx msdu life time: %d", ret);
219                 goto out;
220         }
221
222 out:
223         kfree(acx);
224         return ret;
225 }
226
227 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
228 {
229         struct acx_rx_config *rx_config;
230         int ret;
231
232         wl1271_debug(DEBUG_ACX, "acx rx config");
233
234         rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
235         if (!rx_config) {
236                 ret = -ENOMEM;
237                 goto out;
238         }
239
240         rx_config->config_options = config;
241         rx_config->filter_options = filter;
242
243         ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
244                                    rx_config, sizeof(*rx_config));
245         if (ret < 0) {
246                 wl1271_warning("failed to set rx config: %d", ret);
247                 goto out;
248         }
249
250 out:
251         kfree(rx_config);
252         return ret;
253 }
254
255 int wl1271_acx_pd_threshold(struct wl1271 *wl)
256 {
257         struct acx_packet_detection *pd;
258         int ret;
259
260         wl1271_debug(DEBUG_ACX, "acx data pd threshold");
261
262         pd = kzalloc(sizeof(*pd), GFP_KERNEL);
263         if (!pd) {
264                 ret = -ENOMEM;
265                 goto out;
266         }
267
268         /* FIXME: threshold value not set */
269
270         ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
271         if (ret < 0) {
272                 wl1271_warning("failed to set pd threshold: %d", ret);
273                 goto out;
274         }
275
276 out:
277         kfree(pd);
278         return 0;
279 }
280
281 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time)
282 {
283         struct acx_slot *slot;
284         int ret;
285
286         wl1271_debug(DEBUG_ACX, "acx slot");
287
288         slot = kzalloc(sizeof(*slot), GFP_KERNEL);
289         if (!slot) {
290                 ret = -ENOMEM;
291                 goto out;
292         }
293
294         slot->wone_index = STATION_WONE_INDEX;
295         slot->slot_time = slot_time;
296
297         ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
298         if (ret < 0) {
299                 wl1271_warning("failed to set slot time: %d", ret);
300                 goto out;
301         }
302
303 out:
304         kfree(slot);
305         return ret;
306 }
307
308 int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
309                                  void *mc_list, u32 mc_list_len)
310 {
311         struct acx_dot11_grp_addr_tbl *acx;
312         int ret;
313
314         wl1271_debug(DEBUG_ACX, "acx group address tbl");
315
316         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
317         if (!acx) {
318                 ret = -ENOMEM;
319                 goto out;
320         }
321
322         /* MAC filtering */
323         acx->enabled = enable;
324         acx->num_groups = mc_list_len;
325         memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
326
327         ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
328                                    acx, sizeof(*acx));
329         if (ret < 0) {
330                 wl1271_warning("failed to set group addr table: %d", ret);
331                 goto out;
332         }
333
334 out:
335         kfree(acx);
336         return ret;
337 }
338
339 int wl1271_acx_service_period_timeout(struct wl1271 *wl)
340 {
341         struct acx_rx_timeout *rx_timeout;
342         int ret;
343
344         rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
345         if (!rx_timeout) {
346                 ret = -ENOMEM;
347                 goto out;
348         }
349
350         wl1271_debug(DEBUG_ACX, "acx service period timeout");
351
352         rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
353         rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;
354
355         ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
356                                    rx_timeout, sizeof(*rx_timeout));
357         if (ret < 0) {
358                 wl1271_warning("failed to set service period timeout: %d",
359                                ret);
360                 goto out;
361         }
362
363 out:
364         kfree(rx_timeout);
365         return ret;
366 }
367
368 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
369 {
370         struct acx_rts_threshold *rts;
371         int ret;
372
373         wl1271_debug(DEBUG_ACX, "acx rts threshold");
374
375         rts = kzalloc(sizeof(*rts), GFP_KERNEL);
376         if (!rts) {
377                 ret = -ENOMEM;
378                 goto out;
379         }
380
381         rts->threshold = rts_threshold;
382
383         ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
384         if (ret < 0) {
385                 wl1271_warning("failed to set rts threshold: %d", ret);
386                 goto out;
387         }
388
389 out:
390         kfree(rts);
391         return ret;
392 }
393
394 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
395 {
396         struct acx_beacon_filter_option *beacon_filter;
397         int ret;
398
399         wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
400
401         beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
402         if (!beacon_filter) {
403                 ret = -ENOMEM;
404                 goto out;
405         }
406
407         beacon_filter->enable = enable_filter;
408         beacon_filter->max_num_beacons = 0;
409
410         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
411                                    beacon_filter, sizeof(*beacon_filter));
412         if (ret < 0) {
413                 wl1271_warning("failed to set beacon filter opt: %d", ret);
414                 goto out;
415         }
416
417 out:
418         kfree(beacon_filter);
419         return ret;
420 }
421
422 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
423 {
424         struct acx_beacon_filter_ie_table *ie_table;
425         int idx = 0;
426         int ret;
427
428         wl1271_debug(DEBUG_ACX, "acx beacon filter table");
429
430         ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
431         if (!ie_table) {
432                 ret = -ENOMEM;
433                 goto out;
434         }
435
436         /* configure default beacon pass-through rules */
437         ie_table->num_ie = 1;
438         ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
439         ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;
440
441         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
442                                    ie_table, sizeof(*ie_table));
443         if (ret < 0) {
444                 wl1271_warning("failed to set beacon filter table: %d", ret);
445                 goto out;
446         }
447
448 out:
449         kfree(ie_table);
450         return ret;
451 }
452
453 int wl1271_acx_conn_monit_params(struct wl1271 *wl)
454 {
455         struct acx_conn_monit_params *acx;
456         int ret;
457
458         wl1271_debug(DEBUG_ACX, "acx connection monitor parameters");
459
460         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
461         if (!acx) {
462                 ret = -ENOMEM;
463                 goto out;
464         }
465
466         acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
467         acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
468
469         ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
470                                    acx, sizeof(*acx));
471         if (ret < 0) {
472                 wl1271_warning("failed to set connection monitor "
473                                "parameters: %d", ret);
474                 goto out;
475         }
476
477 out:
478         kfree(acx);
479         return ret;
480 }
481
482
483 int wl1271_acx_sg_enable(struct wl1271 *wl)
484 {
485         struct acx_bt_wlan_coex *pta;
486         int ret;
487
488         wl1271_debug(DEBUG_ACX, "acx sg enable");
489
490         pta = kzalloc(sizeof(*pta), GFP_KERNEL);
491         if (!pta) {
492                 ret = -ENOMEM;
493                 goto out;
494         }
495
496         pta->enable = SG_ENABLE;
497
498         ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
499         if (ret < 0) {
500                 wl1271_warning("failed to set softgemini enable: %d", ret);
501                 goto out;
502         }
503
504 out:
505         kfree(pta);
506         return ret;
507 }
508
509 int wl1271_acx_sg_cfg(struct wl1271 *wl)
510 {
511         struct acx_bt_wlan_coex_param *param;
512         int ret;
513
514         wl1271_debug(DEBUG_ACX, "acx sg cfg");
515
516         param = kzalloc(sizeof(*param), GFP_KERNEL);
517         if (!param) {
518                 ret = -ENOMEM;
519                 goto out;
520         }
521
522         /* BT-WLAN coext parameters */
523         param->min_rate = RATE_INDEX_24MBPS;
524         param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
525         param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
526         param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
527         param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
528         param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
529         param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
530         param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
531         param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
532         param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
533         param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
534         param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
535         param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
536         param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
537         param->antenna_type = PTA_ANTENNA_TYPE_DEF;
538         param->signal_type = PTA_SIGNALING_TYPE_DEF;
539         param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
540         param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
541         param->max_cts = PTA_MAX_NUM_CTS_DEF;
542         param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
543         param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
544         param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
545         param->wlan_elp_hp = PTA_ELP_HP_DEF;
546         param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
547         param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
548         param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
549         param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
550         param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
551
552         ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
553         if (ret < 0) {
554                 wl1271_warning("failed to set sg config: %d", ret);
555                 goto out;
556         }
557
558 out:
559         kfree(param);
560         return ret;
561 }
562
563 int wl1271_acx_cca_threshold(struct wl1271 *wl)
564 {
565         struct acx_energy_detection *detection;
566         int ret;
567
568         wl1271_debug(DEBUG_ACX, "acx cca threshold");
569
570         detection = kzalloc(sizeof(*detection), GFP_KERNEL);
571         if (!detection) {
572                 ret = -ENOMEM;
573                 goto out;
574         }
575
576         detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
577         detection->tx_energy_detection = 0;
578
579         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
580                                    detection, sizeof(*detection));
581         if (ret < 0) {
582                 wl1271_warning("failed to set cca threshold: %d", ret);
583                 return ret;
584         }
585
586 out:
587         kfree(detection);
588         return ret;
589 }
590
591 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
592 {
593         struct acx_beacon_broadcast *bb;
594         int ret;
595
596         wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
597
598         bb = kzalloc(sizeof(*bb), GFP_KERNEL);
599         if (!bb) {
600                 ret = -ENOMEM;
601                 goto out;
602         }
603
604         bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
605         bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
606         bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
607         bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
608
609         ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
610         if (ret < 0) {
611                 wl1271_warning("failed to set rx config: %d", ret);
612                 goto out;
613         }
614
615 out:
616         kfree(bb);
617         return ret;
618 }
619
620 int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
621 {
622         struct acx_aid *acx_aid;
623         int ret;
624
625         wl1271_debug(DEBUG_ACX, "acx aid");
626
627         acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
628         if (!acx_aid) {
629                 ret = -ENOMEM;
630                 goto out;
631         }
632
633         acx_aid->aid = aid;
634
635         ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
636         if (ret < 0) {
637                 wl1271_warning("failed to set aid: %d", ret);
638                 goto out;
639         }
640
641 out:
642         kfree(acx_aid);
643         return ret;
644 }
645
646 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
647 {
648         struct acx_event_mask *mask;
649         int ret;
650
651         wl1271_debug(DEBUG_ACX, "acx event mbox mask");
652
653         mask = kzalloc(sizeof(*mask), GFP_KERNEL);
654         if (!mask) {
655                 ret = -ENOMEM;
656                 goto out;
657         }
658
659         /* high event mask is unused */
660         mask->high_event_mask = 0xffffffff;
661
662         mask->event_mask = event_mask;
663
664         ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
665                                    mask, sizeof(*mask));
666         if (ret < 0) {
667                 wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
668                 goto out;
669         }
670
671 out:
672         kfree(mask);
673         return ret;
674 }
675
676 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
677 {
678         struct acx_preamble *acx;
679         int ret;
680
681         wl1271_debug(DEBUG_ACX, "acx_set_preamble");
682
683         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
684         if (!acx) {
685                 ret = -ENOMEM;
686                 goto out;
687         }
688
689         acx->preamble = preamble;
690
691         ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
692         if (ret < 0) {
693                 wl1271_warning("Setting of preamble failed: %d", ret);
694                 goto out;
695         }
696
697 out:
698         kfree(acx);
699         return ret;
700 }
701
702 int wl1271_acx_cts_protect(struct wl1271 *wl,
703                            enum acx_ctsprotect_type ctsprotect)
704 {
705         struct acx_ctsprotect *acx;
706         int ret;
707
708         wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
709
710         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
711         if (!acx) {
712                 ret = -ENOMEM;
713                 goto out;
714         }
715
716         acx->ctsprotect = ctsprotect;
717
718         ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
719         if (ret < 0) {
720                 wl1271_warning("Setting of ctsprotect failed: %d", ret);
721                 goto out;
722         }
723
724 out:
725         kfree(acx);
726         return ret;
727 }
728
729 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
730 {
731         int ret;
732
733         wl1271_debug(DEBUG_ACX, "acx statistics");
734
735         ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
736                                      sizeof(*stats));
737         if (ret < 0) {
738                 wl1271_warning("acx statistics failed: %d", ret);
739                 return -ENOMEM;
740         }
741
742         return 0;
743 }
744
745 int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
746 {
747         struct acx_rate_policy *acx;
748         int ret = 0;
749
750         wl1271_debug(DEBUG_ACX, "acx rate policies");
751
752         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
753
754         if (!acx) {
755                 ret = -ENOMEM;
756                 goto out;
757         }
758
759         /* configure one default (one-size-fits-all) rate class */
760         acx->rate_class_cnt = 1;
761         acx->rate_class[0].enabled_rates = enabled_rates;
762         acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
763         acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
764         acx->rate_class[0].aflags = 0;
765
766         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
767         if (ret < 0) {
768                 wl1271_warning("Setting of rate policies failed: %d", ret);
769                 goto out;
770         }
771
772 out:
773         kfree(acx);
774         return ret;
775 }
776
777 int wl1271_acx_ac_cfg(struct wl1271 *wl)
778 {
779         struct acx_ac_cfg *acx;
780         int i, ret = 0;
781
782         wl1271_debug(DEBUG_ACX, "acx access category config");
783
784         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
785
786         if (!acx) {
787                 ret = -ENOMEM;
788                 goto out;
789         }
790
791         /*
792          * FIXME: Configure each AC with appropriate values (most suitable
793          * values will probably be different for each AC.
794          */
795         for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
796                 acx->ac = i;
797
798                 /*
799                  * FIXME: The following default values originate from
800                  * the TI reference driver. What do they mean?
801                  */
802                 acx->cw_min = 15;
803                 acx->cw_max = 63;
804                 acx->aifsn = 3;
805                 acx->reserved = 0;
806                 acx->tx_op_limit = 0;
807
808                 ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
809                 if (ret < 0) {
810                         wl1271_warning("Setting of access category "
811                                        "config: %d", ret);
812                         goto out;
813                 }
814         }
815
816 out:
817         kfree(acx);
818         return ret;
819 }
820
821 int wl1271_acx_tid_cfg(struct wl1271 *wl)
822 {
823         struct acx_tid_config *acx;
824         int i, ret = 0;
825
826         wl1271_debug(DEBUG_ACX, "acx tid config");
827
828         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
829
830         if (!acx) {
831                 ret = -ENOMEM;
832                 goto out;
833         }
834
835         /* FIXME: configure each TID with a different AC reference */
836         for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
837                 acx->queue_id = i;
838                 acx->tsid = WL1271_ACX_AC_BE;
839                 acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
840                 acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
841
842                 ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
843                 if (ret < 0) {
844                         wl1271_warning("Setting of tid config failed: %d", ret);
845                         goto out;
846                 }
847         }
848
849 out:
850         kfree(acx);
851         return ret;
852 }
853
854 int wl1271_acx_frag_threshold(struct wl1271 *wl)
855 {
856         struct acx_frag_threshold *acx;
857         int ret = 0;
858
859         wl1271_debug(DEBUG_ACX, "acx frag threshold");
860
861         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
862
863         if (!acx) {
864                 ret = -ENOMEM;
865                 goto out;
866         }
867
868         acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
869         ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
870         if (ret < 0) {
871                 wl1271_warning("Setting of frag threshold failed: %d", ret);
872                 goto out;
873         }
874
875 out:
876         kfree(acx);
877         return ret;
878 }
879
880 int wl1271_acx_tx_config_options(struct wl1271 *wl)
881 {
882         struct acx_tx_config_options *acx;
883         int ret = 0;
884
885         wl1271_debug(DEBUG_ACX, "acx tx config options");
886
887         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
888
889         if (!acx) {
890                 ret = -ENOMEM;
891                 goto out;
892         }
893
894         acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
895         acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
896         ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
897         if (ret < 0) {
898                 wl1271_warning("Setting of tx options failed: %d", ret);
899                 goto out;
900         }
901
902 out:
903         kfree(acx);
904         return ret;
905 }
906
907 int wl1271_acx_mem_cfg(struct wl1271 *wl)
908 {
909         struct wl1271_acx_config_memory *mem_conf;
910         int ret;
911
912         wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
913
914         mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
915         if (!mem_conf) {
916                 ret = -ENOMEM;
917                 goto out;
918         }
919
920         /* memory config */
921         mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
922         mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
923         mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
924         mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
925         mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
926
927         ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
928                                    sizeof(*mem_conf));
929         if (ret < 0) {
930                 wl1271_warning("wl1271 mem config failed: %d", ret);
931                 goto out;
932         }
933
934 out:
935         kfree(mem_conf);
936         return ret;
937 }
938
939 int wl1271_acx_init_mem_config(struct wl1271 *wl)
940 {
941         int ret;
942
943         ret = wl1271_acx_mem_cfg(wl);
944         if (ret < 0)
945                 return ret;
946
947         wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
948                                           GFP_KERNEL);
949         if (!wl->target_mem_map) {
950                 wl1271_error("couldn't allocate target memory map");
951                 return -ENOMEM;
952         }
953
954         /* we now ask for the firmware built memory map */
955         ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
956                                  sizeof(struct wl1271_acx_mem_map));
957         if (ret < 0) {
958                 wl1271_error("couldn't retrieve firmware memory map");
959                 kfree(wl->target_mem_map);
960                 wl->target_mem_map = NULL;
961                 return ret;
962         }
963
964         /* initialize TX block book keeping */
965         wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
966         wl1271_debug(DEBUG_TX, "available tx blocks: %d",
967                      wl->tx_blocks_available);
968
969         return 0;
970 }
971
972 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
973 {
974         struct wl1271_acx_rx_config_opt *rx_conf;
975         int ret;
976
977         wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
978
979         rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
980         if (!rx_conf) {
981                 ret = -ENOMEM;
982                 goto out;
983         }
984
985         rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
986         rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
987         rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
988         rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
989
990         ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
991                                    sizeof(*rx_conf));
992         if (ret < 0) {
993                 wl1271_warning("wl1271 rx config opt failed: %d", ret);
994                 goto out;
995         }
996
997 out:
998         kfree(rx_conf);
999         return ret;
1000 }