2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #define __UNDEF_NO_VERSION__
19 #include <linux/etherdevice.h>
20 #include <linux/pci.h>
21 #include <linux/sched.h>
22 #include <linux/firmware.h>
23 #include <linux/interrupt.h>
24 #include <linux/module.h>
25 #include <net/mac80211.h>
28 #include "phy/phy_int.h"
33 #include "ucode_loader.h"
34 #include "mac80211_if.h"
37 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
39 /* Flags we support */
40 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
46 FIF_BCN_PRBRESP_PROMISC)
48 #define CHAN2GHZ(channel, freqency, chflags) { \
49 .band = IEEE80211_BAND_2GHZ, \
50 .center_freq = (freqency), \
51 .hw_value = (channel), \
53 .max_antenna_gain = 0, \
57 #define CHAN5GHZ(channel, chflags) { \
58 .band = IEEE80211_BAND_5GHZ, \
59 .center_freq = 5000 + 5*(channel), \
60 .hw_value = (channel), \
62 .max_antenna_gain = 0, \
66 #define RATE(rate100m, _flags) { \
67 .bitrate = (rate100m), \
69 .hw_value = (rate100m / 5), \
78 static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
83 static int n_adapters_found;
85 MODULE_AUTHOR("Broadcom Corporation");
86 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
87 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
88 MODULE_LICENSE("Dual BSD/GPL");
90 /* recognized PCI IDs */
91 static DEFINE_PCI_DEVICE_TABLE(brcms_pci_id_table) = {
92 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, /* 43225 2G */
93 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, /* 43224 DUAL */
94 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, /* 4313 DUAL */
95 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, /* 43224 Ven */
99 MODULE_DEVICE_TABLE(pci, brcms_pci_id_table);
102 static int msglevel = 0xdeadbeef;
103 module_param(msglevel, int, 0);
106 static struct ieee80211_channel brcms_2ghz_chantable[] = {
107 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
108 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
109 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
110 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
111 CHAN2GHZ(5, 2432, 0),
112 CHAN2GHZ(6, 2437, 0),
113 CHAN2GHZ(7, 2442, 0),
114 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
115 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
116 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
117 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
119 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
120 IEEE80211_CHAN_NO_HT40PLUS),
122 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
123 IEEE80211_CHAN_NO_HT40PLUS),
125 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
126 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
129 static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
131 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
132 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
133 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
134 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
137 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
138 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
140 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
141 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
143 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
144 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
146 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
147 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
150 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
151 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
153 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
154 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
156 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
157 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
159 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
160 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
162 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
163 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
165 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
166 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
168 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
169 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
171 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
172 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
174 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
175 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
177 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
178 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
180 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
181 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
182 IEEE80211_CHAN_NO_HT40MINUS),
184 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
185 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
186 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
187 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
188 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
192 * The rate table is used for both 2.4G and 5G rates. The
193 * latter being a subset as it does not support CCK rates.
195 static struct ieee80211_rate legacy_ratetable[] = {
197 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
198 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
199 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
210 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
211 .band = IEEE80211_BAND_2GHZ,
212 .channels = brcms_2ghz_chantable,
213 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
214 .bitrates = legacy_ratetable,
215 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
217 /* from include/linux/ieee80211.h */
218 .cap = IEEE80211_HT_CAP_GRN_FLD |
219 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
220 .ht_supported = true,
221 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
222 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
224 /* placeholders for now */
225 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
226 .rx_highest = cpu_to_le16(500),
227 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
231 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
232 .band = IEEE80211_BAND_5GHZ,
233 .channels = brcms_5ghz_nphy_chantable,
234 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
235 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
236 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
237 BRCMS_LEGACY_5G_RATE_OFFSET,
239 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
240 IEEE80211_HT_CAP_SGI_40,
241 .ht_supported = true,
242 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
243 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
245 /* placeholders for now */
246 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
247 .rx_highest = cpu_to_le16(500),
248 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
252 /* flags the given rate in rateset as requested */
253 static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
257 for (i = 0; i < rs->count; i++) {
258 if (rate != (rs->rates[i] & 0x7f))
262 rs->rates[i] |= BRCMS_RATE_FLAG;
264 rs->rates[i] &= BRCMS_RATE_MASK;
269 static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
271 struct brcms_info *wl = hw->priv;
273 spin_lock_bh(&wl->lock);
275 wiphy_err(wl->wiphy, "ops->tx called while down\n");
279 brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
281 spin_unlock_bh(&wl->lock);
284 static int brcms_ops_start(struct ieee80211_hw *hw)
286 struct brcms_info *wl = hw->priv;
290 ieee80211_wake_queues(hw);
291 spin_lock_bh(&wl->lock);
292 blocked = brcms_rfkill_set_hw_state(wl);
293 spin_unlock_bh(&wl->lock);
295 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
297 spin_lock_bh(&wl->lock);
298 /* avoid acknowledging frames before a non-monitor device is added */
305 spin_unlock_bh(&wl->lock);
308 wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__,
313 static void brcms_ops_stop(struct ieee80211_hw *hw)
315 struct brcms_info *wl = hw->priv;
318 ieee80211_stop_queues(hw);
323 spin_lock_bh(&wl->lock);
324 status = brcms_c_chipmatch(wl->wlc->hw->vendorid,
325 wl->wlc->hw->deviceid);
326 spin_unlock_bh(&wl->lock);
329 "wl: brcms_ops_stop: chipmatch failed\n");
333 /* put driver in down state */
334 spin_lock_bh(&wl->lock);
336 spin_unlock_bh(&wl->lock);
340 brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
342 struct brcms_info *wl = hw->priv;
344 /* Just STA for now */
345 if (vif->type != NL80211_IFTYPE_STATION) {
346 wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only"
347 " STA for now\n", __func__, vif->type);
352 brcms_c_mute(wl->wlc, false);
358 brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
362 static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
364 struct ieee80211_conf *conf = &hw->conf;
365 struct brcms_info *wl = hw->priv;
368 struct wiphy *wiphy = hw->wiphy;
370 spin_lock_bh(&wl->lock);
371 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
372 brcms_c_set_beacon_listen_interval(wl->wlc,
373 conf->listen_interval);
375 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
376 wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
377 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
379 if (changed & IEEE80211_CONF_CHANGE_PS)
380 wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n",
381 __func__, conf->flags & IEEE80211_CONF_PS ?
384 if (changed & IEEE80211_CONF_CHANGE_POWER) {
385 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
387 wiphy_err(wiphy, "%s: Error setting power_level\n",
391 new_int = brcms_c_get_tx_power(wl->wlc);
392 if (new_int != conf->power_level)
393 wiphy_err(wiphy, "%s: Power level req != actual, %d %d"
394 "\n", __func__, conf->power_level,
397 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
398 if (conf->channel_type == NL80211_CHAN_HT20 ||
399 conf->channel_type == NL80211_CHAN_NO_HT)
400 err = brcms_c_set_channel(wl->wlc,
401 conf->channel->hw_value);
405 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
406 err = brcms_c_set_rate_limit(wl->wlc,
407 conf->short_frame_max_tx_count,
408 conf->long_frame_max_tx_count);
411 spin_unlock_bh(&wl->lock);
416 brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
417 struct ieee80211_vif *vif,
418 struct ieee80211_bss_conf *info, u32 changed)
420 struct brcms_info *wl = hw->priv;
421 struct wiphy *wiphy = hw->wiphy;
423 if (changed & BSS_CHANGED_ASSOC) {
424 /* association status changed (associated/disassociated)
425 * also implies a change in the AID.
427 wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME,
428 __func__, info->assoc ? "" : "dis");
429 spin_lock_bh(&wl->lock);
430 brcms_c_associate_upd(wl->wlc, info->assoc);
431 spin_unlock_bh(&wl->lock);
433 if (changed & BSS_CHANGED_ERP_SLOT) {
436 /* slot timing changed */
437 if (info->use_short_slot)
441 spin_lock_bh(&wl->lock);
442 brcms_c_set_shortslot_override(wl->wlc, val);
443 spin_unlock_bh(&wl->lock);
446 if (changed & BSS_CHANGED_HT) {
447 /* 802.11n parameters changed */
448 u16 mode = info->ht_operation_mode;
450 spin_lock_bh(&wl->lock);
451 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
452 mode & IEEE80211_HT_OP_MODE_PROTECTION);
453 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
454 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
455 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
456 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
457 spin_unlock_bh(&wl->lock);
459 if (changed & BSS_CHANGED_BASIC_RATES) {
460 struct ieee80211_supported_band *bi;
463 struct brcm_rateset rs;
466 /* retrieve the current rates */
467 spin_lock_bh(&wl->lock);
468 brcms_c_get_current_rateset(wl->wlc, &rs);
469 spin_unlock_bh(&wl->lock);
471 br_mask = info->basic_rates;
472 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
473 for (i = 0; i < bi->n_bitrates; i++) {
474 /* convert to internal rate value */
475 rate = (bi->bitrates[i].bitrate << 1) / 10;
477 /* set/clear basic rate flag */
478 brcms_set_basic_rate(&rs, rate, br_mask & 1);
482 /* update the rate set */
483 spin_lock_bh(&wl->lock);
484 error = brcms_c_set_rateset(wl->wlc, &rs);
485 spin_unlock_bh(&wl->lock);
487 wiphy_err(wiphy, "changing basic rates failed: %d\n",
490 if (changed & BSS_CHANGED_BEACON_INT) {
491 /* Beacon interval changed */
492 spin_lock_bh(&wl->lock);
493 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
494 spin_unlock_bh(&wl->lock);
496 if (changed & BSS_CHANGED_BSSID) {
497 /* BSSID changed, for whatever reason (IBSS and managed mode) */
498 spin_lock_bh(&wl->lock);
499 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
500 spin_unlock_bh(&wl->lock);
502 if (changed & BSS_CHANGED_BEACON)
503 /* Beacon data changed, retrieve new beacon (beaconing modes) */
504 wiphy_err(wiphy, "%s: beacon changed\n", __func__);
506 if (changed & BSS_CHANGED_BEACON_ENABLED) {
507 /* Beaconing should be enabled/disabled (beaconing modes) */
508 wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__,
509 info->enable_beacon ? "true" : "false");
512 if (changed & BSS_CHANGED_CQM) {
513 /* Connection quality monitor config changed */
514 wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d "
515 " (implement)\n", __func__, info->cqm_rssi_thold,
516 info->cqm_rssi_hyst);
519 if (changed & BSS_CHANGED_IBSS) {
520 /* IBSS join status changed */
521 wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__,
522 info->ibss_joined ? "true" : "false");
525 if (changed & BSS_CHANGED_ARP_FILTER) {
526 /* Hardware ARP filter address list or state changed */
527 wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d"
528 " (implement)\n", __func__, info->arp_filter_enabled ?
529 "true" : "false", info->arp_addr_cnt);
532 if (changed & BSS_CHANGED_QOS) {
534 * QoS for this association was enabled/disabled.
535 * Note that it is only ever disabled for station mode.
537 wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__,
538 info->qos ? "true" : "false");
544 brcms_ops_configure_filter(struct ieee80211_hw *hw,
545 unsigned int changed_flags,
546 unsigned int *total_flags, u64 multicast)
548 struct brcms_info *wl = hw->priv;
549 struct wiphy *wiphy = hw->wiphy;
551 changed_flags &= MAC_FILTERS;
552 *total_flags &= MAC_FILTERS;
553 if (changed_flags & FIF_PROMISC_IN_BSS)
554 wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
555 if (changed_flags & FIF_ALLMULTI)
556 wiphy_err(wiphy, "FIF_ALLMULTI\n");
557 if (changed_flags & FIF_FCSFAIL)
558 wiphy_err(wiphy, "FIF_FCSFAIL\n");
559 if (changed_flags & FIF_PLCPFAIL)
560 wiphy_err(wiphy, "FIF_PLCPFAIL\n");
561 if (changed_flags & FIF_CONTROL)
562 wiphy_err(wiphy, "FIF_CONTROL\n");
563 if (changed_flags & FIF_OTHER_BSS)
564 wiphy_err(wiphy, "FIF_OTHER_BSS\n");
565 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
566 spin_lock_bh(&wl->lock);
567 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
568 wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
569 brcms_c_mac_bcn_promisc_change(wl->wlc, 1);
571 brcms_c_mac_bcn_promisc_change(wl->wlc, 0);
572 wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
574 spin_unlock_bh(&wl->lock);
579 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
581 struct brcms_info *wl = hw->priv;
582 spin_lock_bh(&wl->lock);
583 brcms_c_scan_start(wl->wlc);
584 spin_unlock_bh(&wl->lock);
588 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
590 struct brcms_info *wl = hw->priv;
591 spin_lock_bh(&wl->lock);
592 brcms_c_scan_stop(wl->wlc);
593 spin_unlock_bh(&wl->lock);
598 brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
599 const struct ieee80211_tx_queue_params *params)
601 struct brcms_info *wl = hw->priv;
603 spin_lock_bh(&wl->lock);
604 brcms_c_wme_setparams(wl->wlc, queue, params, true);
605 spin_unlock_bh(&wl->lock);
611 brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
612 struct ieee80211_sta *sta)
614 struct brcms_info *wl = hw->priv;
615 struct scb *scb = &wl->wlc->pri_scb;
617 brcms_c_init_scb(scb);
619 wl->pub->global_ampdu = &(scb->scb_ampdu);
620 wl->pub->global_ampdu->scb = scb;
621 wl->pub->global_ampdu->max_pdu = 16;
624 * minstrel_ht initiates addBA on our behalf by calling
625 * ieee80211_start_tx_ba_session()
631 brcms_ops_ampdu_action(struct ieee80211_hw *hw,
632 struct ieee80211_vif *vif,
633 enum ieee80211_ampdu_mlme_action action,
634 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
637 struct brcms_info *wl = hw->priv;
638 struct scb *scb = &wl->wlc->pri_scb;
641 if (WARN_ON(scb->magic != SCB_MAGIC))
644 case IEEE80211_AMPDU_RX_START:
646 case IEEE80211_AMPDU_RX_STOP:
648 case IEEE80211_AMPDU_TX_START:
649 spin_lock_bh(&wl->lock);
650 status = brcms_c_aggregatable(wl->wlc, tid);
651 spin_unlock_bh(&wl->lock);
653 wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
657 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
660 case IEEE80211_AMPDU_TX_STOP:
661 spin_lock_bh(&wl->lock);
662 brcms_c_ampdu_flush(wl->wlc, sta, tid);
663 spin_unlock_bh(&wl->lock);
664 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
666 case IEEE80211_AMPDU_TX_OPERATIONAL:
668 * BA window size from ADDBA response ('buf_size') defines how
669 * many outstanding MPDUs are allowed for the BA stream by
670 * recipient and traffic class. 'ampdu_factor' gives maximum
673 spin_lock_bh(&wl->lock);
674 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
675 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
676 sta->ht_cap.ampdu_factor)) - 1);
677 spin_unlock_bh(&wl->lock);
678 /* Power save wakeup */
681 wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
688 static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
690 struct brcms_info *wl = hw->priv;
693 spin_lock_bh(&wl->lock);
694 blocked = brcms_c_check_radio_disabled(wl->wlc);
695 spin_unlock_bh(&wl->lock);
697 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
700 static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
702 struct brcms_info *wl = hw->priv;
704 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
706 /* wait for packet queue and dma fifos to run empty */
707 spin_lock_bh(&wl->lock);
708 brcms_c_wait_for_tx_completion(wl->wlc, drop);
709 spin_unlock_bh(&wl->lock);
712 static const struct ieee80211_ops brcms_ops = {
714 .start = brcms_ops_start,
715 .stop = brcms_ops_stop,
716 .add_interface = brcms_ops_add_interface,
717 .remove_interface = brcms_ops_remove_interface,
718 .config = brcms_ops_config,
719 .bss_info_changed = brcms_ops_bss_info_changed,
720 .configure_filter = brcms_ops_configure_filter,
721 .sw_scan_start = brcms_ops_sw_scan_start,
722 .sw_scan_complete = brcms_ops_sw_scan_complete,
723 .conf_tx = brcms_ops_conf_tx,
724 .sta_add = brcms_ops_sta_add,
725 .ampdu_action = brcms_ops_ampdu_action,
726 .rfkill_poll = brcms_ops_rfkill_poll,
727 .flush = brcms_ops_flush,
731 * is called in brcms_pci_probe() context, therefore no locking required.
733 static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
735 return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
738 void brcms_dpc(unsigned long data)
740 struct brcms_info *wl;
742 wl = (struct brcms_info *) data;
744 spin_lock_bh(&wl->lock);
746 /* call the common second level interrupt handler */
751 spin_lock_irqsave(&wl->isr_lock, flags);
752 brcms_c_intrsupd(wl->wlc);
753 spin_unlock_irqrestore(&wl->isr_lock, flags);
756 wl->resched = brcms_c_dpc(wl->wlc, true);
759 /* brcms_c_dpc() may bring the driver down */
763 /* re-schedule dpc */
765 tasklet_schedule(&wl->tasklet);
767 /* re-enable interrupts */
771 spin_unlock_bh(&wl->lock);
775 * Precondition: Since this function is called in brcms_pci_probe() context,
776 * no locking is required.
778 static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
781 struct device *device = &pdev->dev;
785 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
786 for (i = 0; i < MAX_FW_IMAGES; i++) {
787 if (brcms_firmwares[i] == NULL)
789 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
790 UCODE_LOADER_API_VER);
791 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
793 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
794 KBUILD_MODNAME, fw_name);
797 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
798 UCODE_LOADER_API_VER);
799 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
801 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
802 KBUILD_MODNAME, fw_name);
805 wl->fw.hdr_num_entries[i] =
806 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
809 return brcms_ucode_data_init(wl, &wl->ucode);
813 * Precondition: Since this function is called in brcms_pci_probe() context,
814 * no locking is required.
816 static void brcms_release_fw(struct brcms_info *wl)
819 for (i = 0; i < MAX_FW_IMAGES; i++) {
820 release_firmware(wl->fw.fw_bin[i]);
821 release_firmware(wl->fw.fw_hdr[i]);
826 * This function frees the WL per-device resources.
828 * This function frees resources owned by the WL device pointed to
829 * by the wl parameter.
831 * precondition: can both be called locked and unlocked
834 static void brcms_free(struct brcms_info *wl)
836 struct brcms_timer *t, *next;
838 /* free ucode data */
840 brcms_ucode_data_free(&wl->ucode);
842 free_irq(wl->irq, wl);
845 tasklet_kill(&wl->tasklet);
848 brcms_c_module_unregister(wl->pub, "linux", wl);
850 /* free common resources */
852 brcms_c_detach(wl->wlc);
857 /* virtual interface deletion is deferred so we cannot spinwait */
859 /* wait for all pending callbacks to complete */
860 while (atomic_read(&wl->callbacks) > 0)
864 for (t = wl->timers; t; t = next) {
873 * unregister_netdev() calls get_stats() which may read chip
874 * registers so we cannot unmap the chip registers until
875 * after calling unregister_netdev() .
884 * called from both kernel as from this kernel module (error flow on attach)
885 * precondition: perimeter lock is not acquired.
887 static void brcms_remove(struct pci_dev *pdev)
889 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
890 struct brcms_info *wl = hw->priv;
893 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
894 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
895 ieee80211_unregister_hw(hw);
897 pci_disable_device(pdev);
901 pci_set_drvdata(pdev, NULL);
902 ieee80211_free_hw(hw);
905 static irqreturn_t brcms_isr(int irq, void *dev_id)
907 struct brcms_info *wl;
910 wl = (struct brcms_info *) dev_id;
912 spin_lock(&wl->isr_lock);
914 /* call common first level interrupt handler */
915 ours = brcms_c_isr(wl->wlc, &wantdpc);
917 /* if more to do... */
920 /* ...and call the second level interrupt handler */
922 tasklet_schedule(&wl->tasklet);
926 spin_unlock(&wl->isr_lock);
928 return IRQ_RETVAL(ours);
932 * is called in brcms_pci_probe() context, therefore no locking required.
934 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
936 struct brcms_info *wl = hw->priv;
937 struct brcms_c_info *wlc = wl->wlc;
938 struct ieee80211_supported_band *band;
942 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
943 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
945 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
946 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
947 band = &wlc->bandstate[BAND_2G_INDEX]->band;
948 *band = brcms_band_2GHz_nphy_template;
949 if (phy_type == PHY_TYPE_LCN) {
951 band->ht_cap.mcs.rx_mask[1] = 0;
952 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
954 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
959 /* Assume all bands use the same phy. True for 11n devices. */
960 if (wl->pub->_nbands > 1) {
962 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
963 band = &wlc->bandstate[BAND_5G_INDEX]->band;
964 *band = brcms_band_5GHz_nphy_template;
965 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
974 * is called in brcms_pci_probe() context, therefore no locking required.
976 static int ieee_hw_init(struct ieee80211_hw *hw)
978 hw->flags = IEEE80211_HW_SIGNAL_DBM
979 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
980 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
981 | IEEE80211_HW_AMPDU_AGGREGATION;
983 hw->extra_tx_headroom = brcms_c_get_header_len();
984 hw->queues = N_TX_QUEUES;
985 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
987 /* channel change time is dependent on chip and band */
988 hw->channel_change_time = 7 * 1000;
989 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
991 hw->rate_control_algorithm = "minstrel_ht";
993 hw->sta_data_size = 0;
994 return ieee_hw_rate_init(hw);
998 * attach to the WL device.
1000 * Attach to the WL device identified by vendor and device parameters.
1001 * regs is a host accessible memory address pointing to WL device registers.
1003 * brcms_attach is not defined as static because in the case where no bus
1004 * is defined, wl_attach will never be called, and thus, gcc will issue
1005 * a warning that this function is defined but not used if we declare
1009 * is called in brcms_pci_probe() context, therefore no locking required.
1011 static struct brcms_info *brcms_attach(u16 vendor, u16 device,
1012 resource_size_t regs,
1013 struct pci_dev *btparam, uint irq)
1015 struct brcms_info *wl = NULL;
1017 struct ieee80211_hw *hw;
1020 unit = n_adapters_found;
1026 /* allocate private info */
1027 hw = pci_get_drvdata(btparam); /* btparam == pdev */
1030 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1032 wl->wiphy = hw->wiphy;
1034 atomic_set(&wl->callbacks, 0);
1036 /* setup the bottom half handler */
1037 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1039 wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
1040 if (wl->regsva == NULL) {
1041 wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
1044 spin_lock_init(&wl->lock);
1045 spin_lock_init(&wl->isr_lock);
1048 if (brcms_request_fw(wl, btparam) < 0) {
1049 wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
1050 "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
1051 brcms_release_fw(wl);
1052 brcms_remove(btparam);
1056 /* common load-time initialization */
1057 wl->wlc = brcms_c_attach(wl, vendor, device, unit, false,
1058 wl->regsva, btparam, &err);
1059 brcms_release_fw(wl);
1061 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1062 KBUILD_MODNAME, err);
1065 wl->pub = brcms_c_pub(wl->wlc);
1067 wl->pub->ieee_hw = hw;
1069 /* register our interrupt handler */
1070 if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
1071 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1076 /* register module */
1077 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1079 if (ieee_hw_init(hw)) {
1080 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1085 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1086 if (WARN_ON(!is_valid_ether_addr(perm)))
1088 SET_IEEE80211_PERM_ADDR(hw, perm);
1090 err = ieee80211_register_hw(hw);
1092 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1093 "%d\n", __func__, err);
1095 if (wl->pub->srom_ccode[0])
1096 err = brcms_set_hint(wl, wl->pub->srom_ccode);
1098 err = brcms_set_hint(wl, "US");
1100 wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
1114 * determines if a device is a WL device, and if so, attaches it.
1116 * This function determines if a device pointed to by pdev is a WL device,
1117 * and if so, performs a brcms_attach() on it.
1119 * Perimeter lock is initialized in the course of this function.
1121 static int __devinit
1122 brcms_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1125 struct brcms_info *wl;
1126 struct ieee80211_hw *hw;
1129 dev_info(&pdev->dev, "bus %d slot %d func %d irq %d\n",
1130 pdev->bus->number, PCI_SLOT(pdev->devfn),
1131 PCI_FUNC(pdev->devfn), pdev->irq);
1133 if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1134 ((pdev->device != 0x0576) &&
1135 ((pdev->device & 0xff00) != 0x4300) &&
1136 ((pdev->device & 0xff00) != 0x4700) &&
1137 ((pdev->device < 43000) || (pdev->device > 43999))))
1140 rc = pci_enable_device(pdev);
1142 pr_err("%s: Cannot enable device %d-%d_%d\n",
1143 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1144 PCI_FUNC(pdev->devfn));
1147 pci_set_master(pdev);
1149 pci_read_config_dword(pdev, 0x40, &val);
1150 if ((val & 0x0000ff00) != 0)
1151 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1153 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1155 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1159 SET_IEEE80211_DEV(hw, &pdev->dev);
1161 pci_set_drvdata(pdev, hw);
1163 memset(hw->priv, 0, sizeof(*wl));
1165 wl = brcms_attach(pdev->vendor, pdev->device,
1166 pci_resource_start(pdev, 0), pdev,
1170 pr_err("%s: %s: brcms_attach failed!\n", KBUILD_MODNAME,
1177 static int brcms_suspend(struct pci_dev *pdev, pm_message_t state)
1179 struct brcms_info *wl;
1180 struct ieee80211_hw *hw;
1182 hw = pci_get_drvdata(pdev);
1185 wiphy_err(wl->wiphy,
1186 "brcms_suspend: pci_get_drvdata failed\n");
1190 /* only need to flag hw is down for proper resume */
1191 spin_lock_bh(&wl->lock);
1192 wl->pub->hw_up = false;
1193 spin_unlock_bh(&wl->lock);
1195 pci_save_state(pdev);
1196 pci_disable_device(pdev);
1197 return pci_set_power_state(pdev, PCI_D3hot);
1200 static int brcms_resume(struct pci_dev *pdev)
1202 struct brcms_info *wl;
1203 struct ieee80211_hw *hw;
1207 hw = pci_get_drvdata(pdev);
1210 wiphy_err(wl->wiphy,
1211 "wl: brcms_resume: pci_get_drvdata failed\n");
1215 err = pci_set_power_state(pdev, PCI_D0);
1219 pci_restore_state(pdev);
1221 err = pci_enable_device(pdev);
1225 pci_set_master(pdev);
1227 pci_read_config_dword(pdev, 0x40, &val);
1228 if ((val & 0x0000ff00) != 0)
1229 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1232 * done. driver will be put in up state
1233 * in brcms_ops_add_interface() call.
1238 static struct pci_driver brcms_pci_driver = {
1239 .name = KBUILD_MODNAME,
1240 .probe = brcms_pci_probe,
1241 .suspend = brcms_suspend,
1242 .resume = brcms_resume,
1243 .remove = __devexit_p(brcms_remove),
1244 .id_table = brcms_pci_id_table,
1248 * This is the main entry point for the WL driver.
1250 * This function determines if a device pointed to by pdev is a WL device,
1251 * and if so, performs a brcms_attach() on it.
1254 static int __init brcms_module_init(void)
1256 int error = -ENODEV;
1259 if (msglevel != 0xdeadbeef)
1260 brcm_msg_level = msglevel;
1263 error = pci_register_driver(&brcms_pci_driver);
1273 * This function unloads the WL driver from the system.
1275 * This function unconditionally unloads the WL driver module from the
1279 static void __exit brcms_module_exit(void)
1281 pci_unregister_driver(&brcms_pci_driver);
1285 module_init(brcms_module_init);
1286 module_exit(brcms_module_exit);
1289 * precondition: perimeter lock has been acquired
1291 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1292 bool state, int prio)
1294 wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__);
1298 * precondition: perimeter lock has been acquired
1300 void brcms_init(struct brcms_info *wl)
1302 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1304 brcms_c_init(wl->wlc, wl->mute_tx);
1308 * precondition: perimeter lock has been acquired
1310 uint brcms_reset(struct brcms_info *wl)
1312 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1313 brcms_c_reset(wl->wlc);
1315 /* dpc will not be rescheduled */
1321 void brcms_fatal_error(struct brcms_info *wl)
1323 wiphy_err(wl->wlc->wiphy, "wl%d: fatal error, reinitializing\n",
1324 wl->wlc->pub->unit);
1326 ieee80211_restart_hw(wl->pub->ieee_hw);
1330 * These are interrupt on/off entry points. Disable interrupts
1331 * during interrupt state transition.
1333 void brcms_intrson(struct brcms_info *wl)
1335 unsigned long flags;
1337 spin_lock_irqsave(&wl->isr_lock, flags);
1338 brcms_c_intrson(wl->wlc);
1339 spin_unlock_irqrestore(&wl->isr_lock, flags);
1342 u32 brcms_intrsoff(struct brcms_info *wl)
1344 unsigned long flags;
1347 spin_lock_irqsave(&wl->isr_lock, flags);
1348 status = brcms_c_intrsoff(wl->wlc);
1349 spin_unlock_irqrestore(&wl->isr_lock, flags);
1353 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1355 unsigned long flags;
1357 spin_lock_irqsave(&wl->isr_lock, flags);
1358 brcms_c_intrsrestore(wl->wlc, macintmask);
1359 spin_unlock_irqrestore(&wl->isr_lock, flags);
1363 * precondition: perimeter lock has been acquired
1365 int brcms_up(struct brcms_info *wl)
1372 error = brcms_c_up(wl->wlc);
1378 * precondition: perimeter lock has been acquired
1380 void brcms_down(struct brcms_info *wl)
1382 uint callbacks, ret_val = 0;
1384 /* call common down function */
1385 ret_val = brcms_c_down(wl->wlc);
1386 callbacks = atomic_read(&wl->callbacks) - ret_val;
1388 /* wait for down callbacks to complete */
1389 spin_unlock_bh(&wl->lock);
1391 /* For HIGH_only driver, it's important to actually schedule other work,
1392 * not just spin wait since everything runs at schedule level
1394 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1396 spin_lock_bh(&wl->lock);
1400 * precondition: perimeter lock is not acquired
1402 static void _brcms_timer(struct work_struct *work)
1404 struct brcms_timer *t = container_of(work, struct brcms_timer,
1407 spin_lock_bh(&t->wl->lock);
1411 atomic_inc(&t->wl->callbacks);
1412 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1414 msecs_to_jiffies(t->ms));
1422 atomic_dec(&t->wl->callbacks);
1424 spin_unlock_bh(&t->wl->lock);
1428 * Adds a timer to the list. Caller supplies a timer function.
1429 * Is called from wlc.
1431 * precondition: perimeter lock has been acquired
1433 struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1434 void (*fn) (void *arg),
1435 void *arg, const char *name)
1437 struct brcms_timer *t;
1439 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1443 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1447 t->next = wl->timers;
1451 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1453 strcpy(t->name, name);
1460 * adds only the kernel timer since it's going to be more accurate
1461 * as well as it's easier to make it periodic
1463 * precondition: perimeter lock has been acquired
1465 void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1467 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1471 wiphy_err(hw->wiphy, "%s: Already set. Name: %s, per %d\n",
1472 __func__, t->name, periodic);
1475 t->periodic = (bool) periodic;
1478 atomic_inc(&t->wl->callbacks);
1480 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1484 * return true if timer successfully deleted, false if still pending
1486 * precondition: perimeter lock has been acquired
1488 bool brcms_del_timer(struct brcms_timer *t)
1492 if (!cancel_delayed_work(&t->dly_wrk))
1495 atomic_dec(&t->wl->callbacks);
1502 * precondition: perimeter lock has been acquired
1504 void brcms_free_timer(struct brcms_timer *t)
1506 struct brcms_info *wl = t->wl;
1507 struct brcms_timer *tmp;
1509 /* delete the timer in case it is active */
1512 if (wl->timers == t) {
1513 wl->timers = wl->timers->next;
1524 if (tmp->next == t) {
1525 tmp->next = t->next;
1538 * precondition: perimeter lock has been acquired
1540 int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1544 struct firmware_hdr *hdr;
1545 for (i = 0; i < wl->fw.fw_cnt; i++) {
1546 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1547 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1549 u32 len = le32_to_cpu(hdr->len);
1550 if (le32_to_cpu(hdr->idx) == idx) {
1551 pdata = wl->fw.fw_bin[i]->data +
1552 le32_to_cpu(hdr->offset);
1553 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1561 wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n",
1569 * Precondition: Since this function is called in brcms_pci_probe() context,
1570 * no locking is required.
1572 int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1576 struct firmware_hdr *hdr;
1577 for (i = 0; i < wl->fw.fw_cnt; i++) {
1578 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1579 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1581 if (le32_to_cpu(hdr->idx) == idx) {
1582 pdata = wl->fw.fw_bin[i]->data +
1583 le32_to_cpu(hdr->offset);
1584 if (le32_to_cpu(hdr->len) != 4) {
1585 wiphy_err(wl->wiphy,
1586 "ERROR: fw hdr len\n");
1589 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1594 wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
1599 * precondition: can both be called locked and unlocked
1601 void brcms_ucode_free_buf(void *p)
1607 * checks validity of all firmware images loaded from user space
1609 * Precondition: Since this function is called in brcms_pci_probe() context,
1610 * no locking is required.
1612 int brcms_check_firmwares(struct brcms_info *wl)
1617 const struct firmware *fw;
1618 const struct firmware *fw_hdr;
1619 struct firmware_hdr *ucode_hdr;
1620 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1621 fw = wl->fw.fw_bin[i];
1622 fw_hdr = wl->fw.fw_hdr[i];
1623 if (fw == NULL && fw_hdr == NULL) {
1625 } else if (fw == NULL || fw_hdr == NULL) {
1626 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1629 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1630 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1631 "size %zu/%zu\n", __func__, fw_hdr->size,
1632 sizeof(struct firmware_hdr));
1634 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1635 wiphy_err(wl->wiphy, "%s: out of bounds fw file size "
1636 "%zu\n", __func__, fw->size);
1639 /* check if ucode section overruns firmware image */
1640 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1641 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1642 !rc; entry++, ucode_hdr++) {
1643 if (le32_to_cpu(ucode_hdr->offset) +
1644 le32_to_cpu(ucode_hdr->len) >
1646 wiphy_err(wl->wiphy,
1647 "%s: conflicting bin/hdr\n",
1654 if (rc == 0 && wl->fw.fw_cnt != i) {
1655 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1663 * precondition: perimeter lock has been acquired
1665 bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1667 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1669 spin_unlock_bh(&wl->lock);
1670 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1672 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1673 spin_lock_bh(&wl->lock);
1678 * precondition: perimeter lock has been acquired
1680 void brcms_msleep(struct brcms_info *wl, uint ms)
1682 spin_unlock_bh(&wl->lock);
1684 spin_lock_bh(&wl->lock);