gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / wireless / ti / wlcore / init.c
blob03b49baa9d899201a7ac0b17fb5f5a136ad76b82
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * This file is part of wl1271
5 * Copyright (C) 2009 Nokia Corporation
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 */
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/slab.h>
14 #include "debug.h"
15 #include "init.h"
16 #include "wl12xx_80211.h"
17 #include "acx.h"
18 #include "cmd.h"
19 #include "tx.h"
20 #include "io.h"
21 #include "hw_ops.h"
23 int wl1271_init_templates_config(struct wl1271 *wl)
25 int ret, i;
26 size_t max_size;
28 /* send empty templates for fw memory reservation */
29 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
30 wl->scan_templ_id_2_4, NULL,
31 WL1271_CMD_TEMPL_MAX_SIZE,
32 0, WL1271_RATE_AUTOMATIC);
33 if (ret < 0)
34 return ret;
36 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
37 wl->scan_templ_id_5,
38 NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
39 WL1271_RATE_AUTOMATIC);
40 if (ret < 0)
41 return ret;
43 if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) {
44 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
45 wl->sched_scan_templ_id_2_4,
46 NULL,
47 WL1271_CMD_TEMPL_MAX_SIZE,
48 0, WL1271_RATE_AUTOMATIC);
49 if (ret < 0)
50 return ret;
52 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
53 wl->sched_scan_templ_id_5,
54 NULL,
55 WL1271_CMD_TEMPL_MAX_SIZE,
56 0, WL1271_RATE_AUTOMATIC);
57 if (ret < 0)
58 return ret;
61 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
62 CMD_TEMPL_NULL_DATA, NULL,
63 sizeof(struct wl12xx_null_data_template),
64 0, WL1271_RATE_AUTOMATIC);
65 if (ret < 0)
66 return ret;
68 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
69 CMD_TEMPL_PS_POLL, NULL,
70 sizeof(struct wl12xx_ps_poll_template),
71 0, WL1271_RATE_AUTOMATIC);
72 if (ret < 0)
73 return ret;
75 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
76 CMD_TEMPL_QOS_NULL_DATA, NULL,
77 sizeof
78 (struct ieee80211_qos_hdr),
79 0, WL1271_RATE_AUTOMATIC);
80 if (ret < 0)
81 return ret;
83 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
84 CMD_TEMPL_PROBE_RESPONSE, NULL,
85 WL1271_CMD_TEMPL_DFLT_SIZE,
86 0, WL1271_RATE_AUTOMATIC);
87 if (ret < 0)
88 return ret;
90 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
91 CMD_TEMPL_BEACON, NULL,
92 WL1271_CMD_TEMPL_DFLT_SIZE,
93 0, WL1271_RATE_AUTOMATIC);
94 if (ret < 0)
95 return ret;
97 max_size = sizeof(struct wl12xx_arp_rsp_template) +
98 WL1271_EXTRA_SPACE_MAX;
99 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
100 CMD_TEMPL_ARP_RSP, NULL,
101 max_size,
102 0, WL1271_RATE_AUTOMATIC);
103 if (ret < 0)
104 return ret;
107 * Put very large empty placeholders for all templates. These
108 * reserve memory for later.
110 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
111 CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
112 WL1271_CMD_TEMPL_MAX_SIZE,
113 0, WL1271_RATE_AUTOMATIC);
114 if (ret < 0)
115 return ret;
117 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
118 CMD_TEMPL_AP_BEACON, NULL,
119 WL1271_CMD_TEMPL_MAX_SIZE,
120 0, WL1271_RATE_AUTOMATIC);
121 if (ret < 0)
122 return ret;
124 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
125 CMD_TEMPL_DEAUTH_AP, NULL,
126 sizeof
127 (struct wl12xx_disconn_template),
128 0, WL1271_RATE_AUTOMATIC);
129 if (ret < 0)
130 return ret;
132 for (i = 0; i < WLCORE_MAX_KLV_TEMPLATES; i++) {
133 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
134 CMD_TEMPL_KLV, NULL,
135 sizeof(struct ieee80211_qos_hdr),
136 i, WL1271_RATE_AUTOMATIC);
137 if (ret < 0)
138 return ret;
141 return 0;
144 static int wl1271_ap_init_deauth_template(struct wl1271 *wl,
145 struct wl12xx_vif *wlvif)
147 struct wl12xx_disconn_template *tmpl;
148 int ret;
149 u32 rate;
151 tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
152 if (!tmpl) {
153 ret = -ENOMEM;
154 goto out;
157 tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
158 IEEE80211_STYPE_DEAUTH);
160 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
161 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
162 CMD_TEMPL_DEAUTH_AP,
163 tmpl, sizeof(*tmpl), 0, rate);
165 out:
166 kfree(tmpl);
167 return ret;
170 static int wl1271_ap_init_null_template(struct wl1271 *wl,
171 struct ieee80211_vif *vif)
173 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
174 struct ieee80211_hdr_3addr *nullfunc;
175 int ret;
176 u32 rate;
178 nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
179 if (!nullfunc) {
180 ret = -ENOMEM;
181 goto out;
184 nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
185 IEEE80211_STYPE_NULLFUNC |
186 IEEE80211_FCTL_FROMDS);
188 /* nullfunc->addr1 is filled by FW */
190 memcpy(nullfunc->addr2, vif->addr, ETH_ALEN);
191 memcpy(nullfunc->addr3, vif->addr, ETH_ALEN);
193 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
194 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
195 CMD_TEMPL_NULL_DATA, nullfunc,
196 sizeof(*nullfunc), 0, rate);
198 out:
199 kfree(nullfunc);
200 return ret;
203 static int wl1271_ap_init_qos_null_template(struct wl1271 *wl,
204 struct ieee80211_vif *vif)
206 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
207 struct ieee80211_qos_hdr *qosnull;
208 int ret;
209 u32 rate;
211 qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
212 if (!qosnull) {
213 ret = -ENOMEM;
214 goto out;
217 qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
218 IEEE80211_STYPE_QOS_NULLFUNC |
219 IEEE80211_FCTL_FROMDS);
221 /* qosnull->addr1 is filled by FW */
223 memcpy(qosnull->addr2, vif->addr, ETH_ALEN);
224 memcpy(qosnull->addr3, vif->addr, ETH_ALEN);
226 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
227 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
228 CMD_TEMPL_QOS_NULL_DATA, qosnull,
229 sizeof(*qosnull), 0, rate);
231 out:
232 kfree(qosnull);
233 return ret;
236 static int wl12xx_init_rx_config(struct wl1271 *wl)
238 int ret;
240 ret = wl1271_acx_rx_msdu_life_time(wl);
241 if (ret < 0)
242 return ret;
244 return 0;
247 static int wl12xx_init_phy_vif_config(struct wl1271 *wl,
248 struct wl12xx_vif *wlvif)
250 int ret;
252 ret = wl1271_acx_slot(wl, wlvif, DEFAULT_SLOT_TIME);
253 if (ret < 0)
254 return ret;
256 ret = wl1271_acx_service_period_timeout(wl, wlvif);
257 if (ret < 0)
258 return ret;
260 ret = wl1271_acx_rts_threshold(wl, wlvif, wl->hw->wiphy->rts_threshold);
261 if (ret < 0)
262 return ret;
264 return 0;
267 static int wl1271_init_sta_beacon_filter(struct wl1271 *wl,
268 struct wl12xx_vif *wlvif)
270 int ret;
272 ret = wl1271_acx_beacon_filter_table(wl, wlvif);
273 if (ret < 0)
274 return ret;
276 /* disable beacon filtering until we get the first beacon */
277 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false);
278 if (ret < 0)
279 return ret;
281 return 0;
284 int wl1271_init_pta(struct wl1271 *wl)
286 int ret;
288 ret = wl12xx_acx_sg_cfg(wl);
289 if (ret < 0)
290 return ret;
292 ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
293 if (ret < 0)
294 return ret;
296 return 0;
299 int wl1271_init_energy_detection(struct wl1271 *wl)
301 int ret;
303 ret = wl1271_acx_cca_threshold(wl);
304 if (ret < 0)
305 return ret;
307 return 0;
310 static int wl1271_init_beacon_broadcast(struct wl1271 *wl,
311 struct wl12xx_vif *wlvif)
313 int ret;
315 ret = wl1271_acx_bcn_dtim_options(wl, wlvif);
316 if (ret < 0)
317 return ret;
319 return 0;
322 static int wl12xx_init_fwlog(struct wl1271 *wl)
324 int ret;
326 if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED)
327 return 0;
329 ret = wl12xx_cmd_config_fwlog(wl);
330 if (ret < 0)
331 return ret;
333 return 0;
336 /* generic sta initialization (non vif-specific) */
337 int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
339 int ret;
341 /* PS config */
342 ret = wl12xx_acx_config_ps(wl, wlvif);
343 if (ret < 0)
344 return ret;
346 /* FM WLAN coexistence */
347 ret = wl1271_acx_fm_coex(wl);
348 if (ret < 0)
349 return ret;
351 ret = wl1271_acx_sta_rate_policies(wl, wlvif);
352 if (ret < 0)
353 return ret;
355 return 0;
358 static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl,
359 struct ieee80211_vif *vif)
361 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
362 int ret;
364 /* disable the keep-alive feature */
365 ret = wl1271_acx_keep_alive_mode(wl, wlvif, false);
366 if (ret < 0)
367 return ret;
369 return 0;
372 /* generic ap initialization (non vif-specific) */
373 static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
375 int ret;
377 ret = wl1271_init_ap_rates(wl, wlvif);
378 if (ret < 0)
379 return ret;
381 /* configure AP sleep, if enabled */
382 ret = wlcore_hw_ap_sleep(wl);
383 if (ret < 0)
384 return ret;
386 return 0;
389 int wl1271_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif)
391 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
392 int ret;
394 ret = wl1271_ap_init_deauth_template(wl, wlvif);
395 if (ret < 0)
396 return ret;
398 ret = wl1271_ap_init_null_template(wl, vif);
399 if (ret < 0)
400 return ret;
402 ret = wl1271_ap_init_qos_null_template(wl, vif);
403 if (ret < 0)
404 return ret;
407 * when operating as AP we want to receive external beacons for
408 * configuring ERP protection.
410 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false);
411 if (ret < 0)
412 return ret;
414 return 0;
417 static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl,
418 struct ieee80211_vif *vif)
420 return wl1271_ap_init_templates(wl, vif);
423 int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif)
425 int i, ret;
426 struct conf_tx_rate_class rc;
427 u32 supported_rates;
429 wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x",
430 wlvif->basic_rate_set);
432 if (wlvif->basic_rate_set == 0)
433 return -EINVAL;
435 rc.enabled_rates = wlvif->basic_rate_set;
436 rc.long_retry_limit = 10;
437 rc.short_retry_limit = 10;
438 rc.aflags = 0;
439 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.mgmt_rate_idx);
440 if (ret < 0)
441 return ret;
443 /* use the min basic rate for AP broadcast/multicast */
444 rc.enabled_rates = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
445 rc.short_retry_limit = 10;
446 rc.long_retry_limit = 10;
447 rc.aflags = 0;
448 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.bcast_rate_idx);
449 if (ret < 0)
450 return ret;
453 * If the basic rates contain OFDM rates, use OFDM only
454 * rates for unicast TX as well. Else use all supported rates.
456 if (wl->ofdm_only_ap && (wlvif->basic_rate_set & CONF_TX_OFDM_RATES))
457 supported_rates = CONF_TX_OFDM_RATES;
458 else
459 supported_rates = CONF_TX_ENABLED_RATES;
461 /* unconditionally enable HT rates */
462 supported_rates |= CONF_TX_MCS_RATES;
464 /* get extra MIMO or wide-chan rates where the HW supports it */
465 supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
467 /* configure unicast TX rate classes */
468 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
469 rc.enabled_rates = supported_rates;
470 rc.short_retry_limit = 10;
471 rc.long_retry_limit = 10;
472 rc.aflags = 0;
473 ret = wl1271_acx_ap_rate_policy(wl, &rc,
474 wlvif->ap.ucast_rate_idx[i]);
475 if (ret < 0)
476 return ret;
479 return 0;
482 static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif)
484 /* Reset the BA RX indicators */
485 wlvif->ba_allowed = true;
486 wl->ba_rx_session_count = 0;
488 /* BA is supported in STA/AP modes */
489 if (wlvif->bss_type != BSS_TYPE_AP_BSS &&
490 wlvif->bss_type != BSS_TYPE_STA_BSS) {
491 wlvif->ba_support = false;
492 return 0;
495 wlvif->ba_support = true;
497 /* 802.11n initiator BA session setting */
498 return wl12xx_acx_set_ba_initiator_policy(wl, wlvif);
501 /* vif-specifc initialization */
502 static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
504 int ret;
506 ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0);
507 if (ret < 0)
508 return ret;
510 /* Initialize connection monitoring thresholds */
511 ret = wl1271_acx_conn_monit_params(wl, wlvif, false);
512 if (ret < 0)
513 return ret;
515 /* Beacon filtering */
516 ret = wl1271_init_sta_beacon_filter(wl, wlvif);
517 if (ret < 0)
518 return ret;
520 /* Beacons and broadcast settings */
521 ret = wl1271_init_beacon_broadcast(wl, wlvif);
522 if (ret < 0)
523 return ret;
525 /* Configure rssi/snr averaging weights */
526 ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif);
527 if (ret < 0)
528 return ret;
530 return 0;
533 /* vif-specific initialization */
534 static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
536 int ret;
538 ret = wl1271_acx_ap_max_tx_retry(wl, wlvif);
539 if (ret < 0)
540 return ret;
542 /* initialize Tx power */
543 ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level);
544 if (ret < 0)
545 return ret;
547 if (wl->radar_debug_mode)
548 wlcore_cmd_generic_cfg(wl, wlvif,
549 WLCORE_CFG_FEATURE_RADAR_DEBUG,
550 wl->radar_debug_mode, 0);
552 return 0;
555 int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif)
557 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
558 struct conf_tx_ac_category *conf_ac;
559 struct conf_tx_tid *conf_tid;
560 bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
561 int ret, i;
563 /* consider all existing roles before configuring psm. */
565 if (wl->ap_count == 0 && is_ap) { /* first AP */
566 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
567 if (ret < 0)
568 return ret;
570 /* unmask ap events */
571 wl->event_mask |= wl->ap_event_mask;
572 ret = wl1271_event_unmask(wl);
573 if (ret < 0)
574 return ret;
575 /* first STA, no APs */
576 } else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) {
577 u8 sta_auth = wl->conf.conn.sta_sleep_auth;
578 /* Configure for power according to debugfs */
579 if (sta_auth != WL1271_PSM_ILLEGAL)
580 ret = wl1271_acx_sleep_auth(wl, sta_auth);
581 /* Configure for ELP power saving */
582 else
583 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
585 if (ret < 0)
586 return ret;
589 /* Mode specific init */
590 if (is_ap) {
591 ret = wl1271_ap_hw_init(wl, wlvif);
592 if (ret < 0)
593 return ret;
595 ret = wl12xx_init_ap_role(wl, wlvif);
596 if (ret < 0)
597 return ret;
598 } else {
599 ret = wl1271_sta_hw_init(wl, wlvif);
600 if (ret < 0)
601 return ret;
603 ret = wl12xx_init_sta_role(wl, wlvif);
604 if (ret < 0)
605 return ret;
608 wl12xx_init_phy_vif_config(wl, wlvif);
610 /* Default TID/AC configuration */
611 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
612 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
613 conf_ac = &wl->conf.tx.ac_conf[i];
614 ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac,
615 conf_ac->cw_min, conf_ac->cw_max,
616 conf_ac->aifsn, conf_ac->tx_op_limit);
617 if (ret < 0)
618 return ret;
620 conf_tid = &wl->conf.tx.tid_conf[i];
621 ret = wl1271_acx_tid_cfg(wl, wlvif,
622 conf_tid->queue_id,
623 conf_tid->channel_type,
624 conf_tid->tsid,
625 conf_tid->ps_scheme,
626 conf_tid->ack_policy,
627 conf_tid->apsd_conf[0],
628 conf_tid->apsd_conf[1]);
629 if (ret < 0)
630 return ret;
633 /* Configure HW encryption */
634 ret = wl1271_acx_feature_cfg(wl, wlvif);
635 if (ret < 0)
636 return ret;
638 /* Mode specific init - post mem init */
639 if (is_ap)
640 ret = wl1271_ap_hw_init_post_mem(wl, vif);
641 else
642 ret = wl1271_sta_hw_init_post_mem(wl, vif);
644 if (ret < 0)
645 return ret;
647 /* Configure initiator BA sessions policies */
648 ret = wl1271_set_ba_policies(wl, wlvif);
649 if (ret < 0)
650 return ret;
652 ret = wlcore_hw_init_vif(wl, wlvif);
653 if (ret < 0)
654 return ret;
656 return 0;
659 int wl1271_hw_init(struct wl1271 *wl)
661 int ret;
663 /* Chip-specific hw init */
664 ret = wl->ops->hw_init(wl);
665 if (ret < 0)
666 return ret;
668 /* Init templates */
669 ret = wl1271_init_templates_config(wl);
670 if (ret < 0)
671 return ret;
673 ret = wl12xx_acx_mem_cfg(wl);
674 if (ret < 0)
675 return ret;
677 /* Configure the FW logger */
678 ret = wl12xx_init_fwlog(wl);
679 if (ret < 0)
680 return ret;
682 ret = wlcore_cmd_regdomain_config_locked(wl);
683 if (ret < 0)
684 return ret;
686 /* Bluetooth WLAN coexistence */
687 ret = wl1271_init_pta(wl);
688 if (ret < 0)
689 return ret;
691 /* Default memory configuration */
692 ret = wl1271_acx_init_mem_config(wl);
693 if (ret < 0)
694 return ret;
696 /* RX config */
697 ret = wl12xx_init_rx_config(wl);
698 if (ret < 0)
699 goto out_free_memmap;
701 ret = wl1271_acx_dco_itrim_params(wl);
702 if (ret < 0)
703 goto out_free_memmap;
705 /* Configure TX patch complete interrupt behavior */
706 ret = wl1271_acx_tx_config_options(wl);
707 if (ret < 0)
708 goto out_free_memmap;
710 /* RX complete interrupt pacing */
711 ret = wl1271_acx_init_rx_interrupt(wl);
712 if (ret < 0)
713 goto out_free_memmap;
715 /* Energy detection */
716 ret = wl1271_init_energy_detection(wl);
717 if (ret < 0)
718 goto out_free_memmap;
720 /* Default fragmentation threshold */
721 ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold);
722 if (ret < 0)
723 goto out_free_memmap;
725 /* Enable data path */
726 ret = wl1271_cmd_data_path(wl, 1);
727 if (ret < 0)
728 goto out_free_memmap;
730 /* configure PM */
731 ret = wl1271_acx_pm_config(wl);
732 if (ret < 0)
733 goto out_free_memmap;
735 ret = wl12xx_acx_set_rate_mgmt_params(wl);
736 if (ret < 0)
737 goto out_free_memmap;
739 /* configure hangover */
740 ret = wl12xx_acx_config_hangover(wl);
741 if (ret < 0)
742 goto out_free_memmap;
744 return 0;
746 out_free_memmap:
747 kfree(wl->target_mem_map);
748 wl->target_mem_map = NULL;
750 return ret;