drivers/net/wireless/wl12xx/init.c

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 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 <linux/kernel.h>
  25 #include <linux/module.h>
  26 #include <linux/slab.h>
  27
  28 #include "debug.h"
  29 #include "init.h"
  30 #include "wl12xx_80211.h"
  31 #include "acx.h"
  32 #include "cmd.h"
  33 #include "reg.h"
  34 #include "tx.h"
  35 #include "io.h"
  36
  37 int wl1271_init_templates_config(struct wl1271 *wl)
  38 {
  39         int ret, i;
  40
  41         /* send empty templates for fw memory reservation */
  42         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
  43                                       WL1271_CMD_TEMPL_DFLT_SIZE,
  44                                       0, WL1271_RATE_AUTOMATIC);
  45         if (ret < 0)
  46                 return ret;
  47
  48         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  49                                       NULL, WL1271_CMD_TEMPL_DFLT_SIZE, 0,
  50                                       WL1271_RATE_AUTOMATIC);
  51         if (ret < 0)
  52                 return ret;
  53
  54         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  55                                       sizeof(struct wl12xx_null_data_template),
  56                                       0, WL1271_RATE_AUTOMATIC);
  57         if (ret < 0)
  58                 return ret;
  59
  60         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  61                                       sizeof(struct wl12xx_ps_poll_template),
  62                                       0, WL1271_RATE_AUTOMATIC);
  63         if (ret < 0)
  64                 return ret;
  65
  66         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  67                                       sizeof
  68                                       (struct wl12xx_qos_null_data_template),
  69                                       0, WL1271_RATE_AUTOMATIC);
  70         if (ret < 0)
  71                 return ret;
  72
  73         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  74                                       WL1271_CMD_TEMPL_DFLT_SIZE,
  75                                       0, WL1271_RATE_AUTOMATIC);
  76         if (ret < 0)
  77                 return ret;
  78
  79         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  80                                       WL1271_CMD_TEMPL_DFLT_SIZE,
  81                                       0, WL1271_RATE_AUTOMATIC);
  82         if (ret < 0)
  83                 return ret;
  84
  85         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
  86                                       sizeof
  87                                       (struct wl12xx_arp_rsp_template),
  88                                       0, WL1271_RATE_AUTOMATIC);
  89         if (ret < 0)
  90                 return ret;
  91
  92         /*
  93          * Put very large empty placeholders for all templates. These
  94          * reserve memory for later.
  95          */
  96         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
  97                                       WL1271_CMD_TEMPL_MAX_SIZE,
  98                                       0, WL1271_RATE_AUTOMATIC);
  99         if (ret < 0)
 100                 return ret;
 101
 102         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
 103                                       WL1271_CMD_TEMPL_MAX_SIZE,
 104                                       0, WL1271_RATE_AUTOMATIC);
 105         if (ret < 0)
 106                 return ret;
 107
 108         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
 109                                       sizeof
 110                                       (struct wl12xx_disconn_template),
 111                                       0, WL1271_RATE_AUTOMATIC);
 112         if (ret < 0)
 113                 return ret;
 114
 115         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 116                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
 117                                               WL1271_CMD_TEMPL_DFLT_SIZE, i,
 118                                               WL1271_RATE_AUTOMATIC);
 119                 if (ret < 0)
 120                         return ret;
 121         }
 122
 123         return 0;
 124 }
 125
 126 static int wl1271_ap_init_deauth_template(struct wl1271 *wl,
 127                                           struct wl12xx_vif *wlvif)
 128 {
 129         struct wl12xx_disconn_template *tmpl;
 130         int ret;
 131         u32 rate;
 132
 133         tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
 134         if (!tmpl) {
 135                 ret = -ENOMEM;
 136                 goto out;
 137         }
 138
 139         tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 140                                              IEEE80211_STYPE_DEAUTH);
 141
 142         rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
 143         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
 144                                       tmpl, sizeof(*tmpl), 0, rate);
 145
 146 out:
 147         kfree(tmpl);
 148         return ret;
 149 }
 150
 151 static int wl1271_ap_init_null_template(struct wl1271 *wl,
 152                                         struct ieee80211_vif *vif)
 153 {
 154         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 155         struct ieee80211_hdr_3addr *nullfunc;
 156         int ret;
 157         u32 rate;
 158
 159         nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
 160         if (!nullfunc) {
 161                 ret = -ENOMEM;
 162                 goto out;
 163         }
 164
 165         nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
 166                                               IEEE80211_STYPE_NULLFUNC |
 167                                               IEEE80211_FCTL_FROMDS);
 168
 169         /* nullfunc->addr1 is filled by FW */
 170
 171         memcpy(nullfunc->addr2, vif->addr, ETH_ALEN);
 172         memcpy(nullfunc->addr3, vif->addr, ETH_ALEN);
 173
 174         rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
 175         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
 176                                       sizeof(*nullfunc), 0, rate);
 177
 178 out:
 179         kfree(nullfunc);
 180         return ret;
 181 }
 182
 183 static int wl1271_ap_init_qos_null_template(struct wl1271 *wl,
 184                                             struct ieee80211_vif *vif)
 185 {
 186         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 187         struct ieee80211_qos_hdr *qosnull;
 188         int ret;
 189         u32 rate;
 190
 191         qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
 192         if (!qosnull) {
 193                 ret = -ENOMEM;
 194                 goto out;
 195         }
 196
 197         qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
 198                                              IEEE80211_STYPE_QOS_NULLFUNC |
 199                                              IEEE80211_FCTL_FROMDS);
 200
 201         /* qosnull->addr1 is filled by FW */
 202
 203         memcpy(qosnull->addr2, vif->addr, ETH_ALEN);
 204         memcpy(qosnull->addr3, vif->addr, ETH_ALEN);
 205
 206         rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
 207         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
 208                                       sizeof(*qosnull), 0, rate);
 209
 210 out:
 211         kfree(qosnull);
 212         return ret;
 213 }
 214
 215 static int wl12xx_init_rx_config(struct wl1271 *wl)
 216 {
 217         int ret;
 218
 219         ret = wl1271_acx_rx_msdu_life_time(wl);
 220         if (ret < 0)
 221                 return ret;
 222
 223         return 0;
 224 }
 225
 226 int wl1271_init_phy_config(struct wl1271 *wl)
 227 {
 228         int ret;
 229
 230         ret = wl1271_acx_pd_threshold(wl);
 231         if (ret < 0)
 232                 return ret;
 233
 234         return 0;
 235 }
 236
 237 static int wl12xx_init_phy_vif_config(struct wl1271 *wl,
 238                                             struct wl12xx_vif *wlvif)
 239 {
 240         int ret;
 241
 242         ret = wl1271_acx_slot(wl, wlvif, DEFAULT_SLOT_TIME);
 243         if (ret < 0)
 244                 return ret;
 245
 246         ret = wl1271_acx_service_period_timeout(wl, wlvif);
 247         if (ret < 0)
 248                 return ret;
 249
 250         ret = wl1271_acx_rts_threshold(wl, wlvif, wl->hw->wiphy->rts_threshold);
 251         if (ret < 0)
 252                 return ret;
 253
 254         return 0;
 255 }
 256
 257 static int wl1271_init_sta_beacon_filter(struct wl1271 *wl,
 258                                          struct wl12xx_vif *wlvif)
 259 {
 260         int ret;
 261
 262         ret = wl1271_acx_beacon_filter_table(wl, wlvif);
 263         if (ret < 0)
 264                 return ret;
 265
 266         /* enable beacon filtering */
 267         ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true);
 268         if (ret < 0)
 269                 return ret;
 270
 271         return 0;
 272 }
 273
 274 int wl1271_init_pta(struct wl1271 *wl)
 275 {
 276         int ret;
 277
 278         ret = wl12xx_acx_sg_cfg(wl);
 279         if (ret < 0)
 280                 return ret;
 281
 282         ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
 283         if (ret < 0)
 284                 return ret;
 285
 286         return 0;
 287 }
 288
 289 int wl1271_init_energy_detection(struct wl1271 *wl)
 290 {
 291         int ret;
 292
 293         ret = wl1271_acx_cca_threshold(wl);
 294         if (ret < 0)
 295                 return ret;
 296
 297         return 0;
 298 }
 299
 300 static int wl1271_init_beacon_broadcast(struct wl1271 *wl,
 301                                         struct wl12xx_vif *wlvif)
 302 {
 303         int ret;
 304
 305         ret = wl1271_acx_bcn_dtim_options(wl, wlvif);
 306         if (ret < 0)
 307                 return ret;
 308
 309         return 0;
 310 }
 311
 312 static int wl12xx_init_fwlog(struct wl1271 *wl)
 313 {
 314         int ret;
 315
 316         if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED)
 317                 return 0;
 318
 319         ret = wl12xx_cmd_config_fwlog(wl);
 320         if (ret < 0)
 321                 return ret;
 322
 323         return 0;
 324 }
 325
 326 /* generic sta initialization (non vif-specific) */
 327 static int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 328 {
 329         int ret;
 330
 331         if (wl->chip.id != CHIP_ID_1283_PG20) {
 332                 ret = wl1271_cmd_ext_radio_parms(wl);
 333                 if (ret < 0)
 334                         return ret;
 335         }
 336
 337         /* PS config */
 338         ret = wl12xx_acx_config_ps(wl, wlvif);
 339         if (ret < 0)
 340                 return ret;
 341
 342         /* FM WLAN coexistence */
 343         ret = wl1271_acx_fm_coex(wl);
 344         if (ret < 0)
 345                 return ret;
 346
 347         ret = wl1271_acx_sta_rate_policies(wl, wlvif);
 348         if (ret < 0)
 349                 return ret;
 350
 351         return 0;
 352 }
 353
 354 static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl,
 355                                        struct ieee80211_vif *vif)
 356 {
 357         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 358         int ret, i;
 359
 360         /* disable all keep-alive templates */
 361         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 362                 ret = wl1271_acx_keep_alive_config(wl, wlvif, i,
 363                                                    ACX_KEEP_ALIVE_TPL_INVALID);
 364                 if (ret < 0)
 365                         return ret;
 366         }
 367
 368         /* disable the keep-alive feature */
 369         ret = wl1271_acx_keep_alive_mode(wl, wlvif, false);
 370         if (ret < 0)
 371                 return ret;
 372
 373         return 0;
 374 }
 375
 376 /* generic ap initialization (non vif-specific) */
 377 static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 378 {
 379         int ret;
 380
 381         ret = wl1271_init_ap_rates(wl, wlvif);
 382         if (ret < 0)
 383                 return ret;
 384
 385         return 0;
 386 }
 387
 388 int wl1271_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif)
 389 {
 390         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 391         int ret;
 392
 393         ret = wl1271_ap_init_deauth_template(wl, wlvif);
 394         if (ret < 0)
 395                 return ret;
 396
 397         ret = wl1271_ap_init_null_template(wl, vif);
 398         if (ret < 0)
 399                 return ret;
 400
 401         ret = wl1271_ap_init_qos_null_template(wl, vif);
 402         if (ret < 0)
 403                 return ret;
 404
 405         /*
 406          * when operating as AP we want to receive external beacons for
 407          * configuring ERP protection.
 408          */
 409         ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false);
 410         if (ret < 0)
 411                 return ret;
 412
 413         return 0;
 414 }
 415
 416 static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl,
 417                                       struct ieee80211_vif *vif)
 418 {
 419         return wl1271_ap_init_templates(wl, vif);
 420 }
 421
 422 int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 423 {
 424         int i, ret;
 425         struct conf_tx_rate_class rc;
 426         u32 supported_rates;
 427
 428         wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x",
 429                      wlvif->basic_rate_set);
 430
 431         if (wlvif->basic_rate_set == 0)
 432                 return -EINVAL;
 433
 434         rc.enabled_rates = wlvif->basic_rate_set;
 435         rc.long_retry_limit = 10;
 436         rc.short_retry_limit = 10;
 437         rc.aflags = 0;
 438         ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.mgmt_rate_idx);
 439         if (ret < 0)
 440                 return ret;
 441
 442         /* use the min basic rate for AP broadcast/multicast */
 443         rc.enabled_rates = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
 444         rc.short_retry_limit = 10;
 445         rc.long_retry_limit = 10;
 446         rc.aflags = 0;
 447         ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.bcast_rate_idx);
 448         if (ret < 0)
 449                 return ret;
 450
 451         /*
 452          * If the basic rates contain OFDM rates, use OFDM only
 453          * rates for unicast TX as well. Else use all supported rates.
 454          */
 455         if ((wlvif->basic_rate_set & CONF_TX_OFDM_RATES))
 456                 supported_rates = CONF_TX_OFDM_RATES;
 457         else
 458                 supported_rates = CONF_TX_AP_ENABLED_RATES;
 459
 460         /* unconditionally enable HT rates */
 461         supported_rates |= CONF_TX_MCS_RATES;
 462
 463         /* configure unicast TX rate classes */
 464         for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
 465                 rc.enabled_rates = supported_rates;
 466                 rc.short_retry_limit = 10;
 467                 rc.long_retry_limit = 10;
 468                 rc.aflags = 0;
 469                 ret = wl1271_acx_ap_rate_policy(wl, &rc,
 470                                                 wlvif->ap.ucast_rate_idx[i]);
 471                 if (ret < 0)
 472                         return ret;
 473         }
 474
 475         return 0;
 476 }
 477
 478 static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 479 {
 480         /* Reset the BA RX indicators */
 481         wlvif->ba_allowed = true;
 482         wl->ba_rx_session_count = 0;
 483
 484         /* BA is supported in STA/AP modes */
 485         if (wlvif->bss_type != BSS_TYPE_AP_BSS &&
 486             wlvif->bss_type != BSS_TYPE_STA_BSS) {
 487                 wlvif->ba_support = false;
 488                 return 0;
 489         }
 490
 491         wlvif->ba_support = true;
 492
 493         /* 802.11n initiator BA session setting */
 494         return wl12xx_acx_set_ba_initiator_policy(wl, wlvif);
 495 }
 496
 497 int wl1271_chip_specific_init(struct wl1271 *wl)
 498 {
 499         int ret = 0;
 500
 501         if (wl->chip.id == CHIP_ID_1283_PG20) {
 502                 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
 503
 504                 if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT)
 505                         /* Enable SDIO padding */
 506                         host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
 507
 508                 /* Must be before wl1271_acx_init_mem_config() */
 509                 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
 510                 if (ret < 0)
 511                         goto out;
 512         }
 513 out:
 514         return ret;
 515 }
 516
 517 /* vif-specifc initialization */
 518 static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 519 {
 520         int ret;
 521
 522         ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0);
 523         if (ret < 0)
 524                 return ret;
 525
 526         /* Initialize connection monitoring thresholds */
 527         ret = wl1271_acx_conn_monit_params(wl, wlvif, false);
 528         if (ret < 0)
 529                 return ret;
 530
 531         /* Beacon filtering */
 532         ret = wl1271_init_sta_beacon_filter(wl, wlvif);
 533         if (ret < 0)
 534                 return ret;
 535
 536         /* Beacons and broadcast settings */
 537         ret = wl1271_init_beacon_broadcast(wl, wlvif);
 538         if (ret < 0)
 539                 return ret;
 540
 541         /* Configure rssi/snr averaging weights */
 542         ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif);
 543         if (ret < 0)
 544                 return ret;
 545
 546         return 0;
 547 }
 548
 549 /* vif-specific intialization */
 550 static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
 551 {
 552         int ret;
 553
 554         ret = wl1271_acx_ap_max_tx_retry(wl, wlvif);
 555         if (ret < 0)
 556                 return ret;
 557
 558         /* initialize Tx power */
 559         ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level);
 560         if (ret < 0)
 561                 return ret;
 562
 563         return 0;
 564 }
 565
 566 int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif)
 567 {
 568         struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 569         struct conf_tx_ac_category *conf_ac;
 570         struct conf_tx_tid *conf_tid;
 571         bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
 572         int ret, i;
 573
 574         /*
 575          * consider all existing roles before configuring psm.
 576          * TODO: reconfigure on interface removal.
 577          */
 578         if (!wl->ap_count) {
 579                 if (is_ap) {
 580                         /* Configure for power always on */
 581                         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
 582                         if (ret < 0)
 583                                 return ret;
 584                 } else if (!wl->sta_count) {
 585                         /* Configure for ELP power saving */
 586                         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 587                         if (ret < 0)
 588                                 return ret;
 589                 }
 590         }
 591
 592         /* Mode specific init */
 593         if (is_ap) {
 594                 ret = wl1271_ap_hw_init(wl, wlvif);
 595                 if (ret < 0)
 596                         return ret;
 597
 598                 ret = wl12xx_init_ap_role(wl, wlvif);
 599                 if (ret < 0)
 600                         return ret;
 601         } else {
 602                 ret = wl1271_sta_hw_init(wl, wlvif);
 603                 if (ret < 0)
 604                         return ret;
 605
 606                 ret = wl12xx_init_sta_role(wl, wlvif);
 607                 if (ret < 0)
 608                         return ret;
 609         }
 610
 611         wl12xx_init_phy_vif_config(wl, wlvif);
 612
 613         /* Default TID/AC configuration */
 614         BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
 615         for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
 616                 conf_ac = &wl->conf.tx.ac_conf[i];
 617                 ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac,
 618                                         conf_ac->cw_min, conf_ac->cw_max,
 619                                         conf_ac->aifsn, conf_ac->tx_op_limit);
 620                 if (ret < 0)
 621                         return ret;
 622
 623                 conf_tid = &wl->conf.tx.tid_conf[i];
 624                 ret = wl1271_acx_tid_cfg(wl, wlvif,
 625                                          conf_tid->queue_id,
 626                                          conf_tid->channel_type,
 627                                          conf_tid->tsid,
 628                                          conf_tid->ps_scheme,
 629                                          conf_tid->ack_policy,
 630                                          conf_tid->apsd_conf[0],
 631                                          conf_tid->apsd_conf[1]);
 632                 if (ret < 0)
 633                         return ret;
 634         }
 635
 636         /* Configure HW encryption */
 637         ret = wl1271_acx_feature_cfg(wl, wlvif);
 638         if (ret < 0)
 639                 return ret;
 640
 641         /* Mode specific init - post mem init */
 642         if (is_ap)
 643                 ret = wl1271_ap_hw_init_post_mem(wl, vif);
 644         else
 645                 ret = wl1271_sta_hw_init_post_mem(wl, vif);
 646
 647         if (ret < 0)
 648                 return ret;
 649
 650         /* Configure initiator BA sessions policies */
 651         ret = wl1271_set_ba_policies(wl, wlvif);
 652         if (ret < 0)
 653                 return ret;
 654
 655         return 0;
 656 }
 657
 658 int wl1271_hw_init(struct wl1271 *wl)
 659 {
 660         int ret;
 661
 662         if (wl->chip.id == CHIP_ID_1283_PG20)
 663                 ret = wl128x_cmd_general_parms(wl);
 664         else
 665                 ret = wl1271_cmd_general_parms(wl);
 666         if (ret < 0)
 667                 return ret;
 668
 669         if (wl->chip.id == CHIP_ID_1283_PG20)
 670                 ret = wl128x_cmd_radio_parms(wl);
 671         else
 672                 ret = wl1271_cmd_radio_parms(wl);
 673         if (ret < 0)
 674                 return ret;
 675
 676         /* Chip-specific init */
 677         ret = wl1271_chip_specific_init(wl);
 678         if (ret < 0)
 679                 return ret;
 680
 681         /* Init templates */
 682         ret = wl1271_init_templates_config(wl);
 683         if (ret < 0)
 684                 return ret;
 685
 686         ret = wl12xx_acx_mem_cfg(wl);
 687         if (ret < 0)
 688                 return ret;
 689
 690         /* Configure the FW logger */
 691         ret = wl12xx_init_fwlog(wl);
 692         if (ret < 0)
 693                 return ret;
 694
 695         /* Bluetooth WLAN coexistence */
 696         ret = wl1271_init_pta(wl);
 697         if (ret < 0)
 698                 return ret;
 699
 700         /* Default memory configuration */
 701         ret = wl1271_acx_init_mem_config(wl);
 702         if (ret < 0)
 703                 return ret;
 704
 705         /* RX config */
 706         ret = wl12xx_init_rx_config(wl);
 707         if (ret < 0)
 708                 goto out_free_memmap;
 709
 710         /* PHY layer config */
 711         ret = wl1271_init_phy_config(wl);
 712         if (ret < 0)
 713                 goto out_free_memmap;
 714
 715         ret = wl1271_acx_dco_itrim_params(wl);
 716         if (ret < 0)
 717                 goto out_free_memmap;
 718
 719         /* Configure TX patch complete interrupt behavior */
 720         ret = wl1271_acx_tx_config_options(wl);
 721         if (ret < 0)
 722                 goto out_free_memmap;
 723
 724         /* RX complete interrupt pacing */
 725         ret = wl1271_acx_init_rx_interrupt(wl);
 726         if (ret < 0)
 727                 goto out_free_memmap;
 728
 729         /* Energy detection */
 730         ret = wl1271_init_energy_detection(wl);
 731         if (ret < 0)
 732                 goto out_free_memmap;
 733
 734         /* Default fragmentation threshold */
 735         ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold);
 736         if (ret < 0)
 737                 goto out_free_memmap;
 738
 739         /* Enable data path */
 740         ret = wl1271_cmd_data_path(wl, 1);
 741         if (ret < 0)
 742                 goto out_free_memmap;
 743
 744         /* configure PM */
 745         ret = wl1271_acx_pm_config(wl);
 746         if (ret < 0)
 747                 goto out_free_memmap;
 748
 749         ret = wl12xx_acx_set_rate_mgmt_params(wl);
 750         if (ret < 0)
 751                 goto out_free_memmap;
 752
 753         /* configure hangover */
 754         ret = wl12xx_acx_config_hangover(wl);
 755         if (ret < 0)
 756                 goto out_free_memmap;
 757
 758         return 0;
 759
 760  out_free_memmap:
 761         kfree(wl->target_mem_map);
 762         wl->target_mem_map = NULL;
 763
 764         return ret;
 765 }