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 "init.h"
  29 #include "wl12xx_80211.h"
  30 #include "acx.h"
  31 #include "cmd.h"
  32 #include "reg.h"
  33
  34 static int wl1271_init_hwenc_config(struct wl1271 *wl)
  35 {
  36         int ret;
  37
  38         ret = wl1271_acx_feature_cfg(wl);
  39         if (ret < 0) {
  40                 wl1271_warning("couldn't set feature config");
  41                 return ret;
  42         }
  43
  44         ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key);
  45         if (ret < 0) {
  46                 wl1271_warning("couldn't set default key");
  47                 return ret;
  48         }
  49
  50         return 0;
  51 }
  52
  53 int wl1271_init_templates_config(struct wl1271 *wl)
  54 {
  55         int ret, i;
  56         size_t size;
  57
  58         /* send empty templates for fw memory reservation */
  59         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
  60                                       sizeof(struct wl12xx_probe_req_template),
  61                                       0, WL1271_RATE_AUTOMATIC);
  62         if (ret < 0)
  63                 return ret;
  64
  65         size = sizeof(struct wl12xx_probe_req_template);
  66         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  67                                       NULL, size, 0,
  68                                       WL1271_RATE_AUTOMATIC);
  69         if (ret < 0)
  70                 return ret;
  71
  72         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  73                                       sizeof(struct wl12xx_null_data_template),
  74                                       0, WL1271_RATE_AUTOMATIC);
  75         if (ret < 0)
  76                 return ret;
  77
  78         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  79                                       sizeof(struct wl12xx_ps_poll_template),
  80                                       0, WL1271_RATE_AUTOMATIC);
  81         if (ret < 0)
  82                 return ret;
  83
  84         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  85                                       sizeof
  86                                       (struct wl12xx_qos_null_data_template),
  87                                       0, WL1271_RATE_AUTOMATIC);
  88         if (ret < 0)
  89                 return ret;
  90
  91         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  92                                       sizeof
  93                                       (struct wl12xx_probe_resp_template),
  94                                       0, WL1271_RATE_AUTOMATIC);
  95         if (ret < 0)
  96                 return ret;
  97
  98         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  99                                       sizeof
 100                                       (struct wl12xx_beacon_template),
 101                                       0, WL1271_RATE_AUTOMATIC);
 102         if (ret < 0)
 103                 return ret;
 104
 105         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
 106                                       sizeof
 107                                       (struct wl12xx_arp_rsp_template),
 108                                       0, WL1271_RATE_AUTOMATIC);
 109         if (ret < 0)
 110                 return ret;
 111
 112         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 113                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
 114                                               WL1271_CMD_TEMPL_MAX_SIZE, i,
 115                                               WL1271_RATE_AUTOMATIC);
 116                 if (ret < 0)
 117                         return ret;
 118         }
 119
 120         return 0;
 121 }
 122
 123 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 124 {
 125         int ret;
 126
 127         ret = wl1271_acx_rx_msdu_life_time(wl);
 128         if (ret < 0)
 129                 return ret;
 130
 131         ret = wl1271_acx_rx_config(wl, config, filter);
 132         if (ret < 0)
 133                 return ret;
 134
 135         return 0;
 136 }
 137
 138 int wl1271_init_phy_config(struct wl1271 *wl)
 139 {
 140         int ret;
 141
 142         ret = wl1271_acx_pd_threshold(wl);
 143         if (ret < 0)
 144                 return ret;
 145
 146         ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
 147         if (ret < 0)
 148                 return ret;
 149
 150         ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 151         if (ret < 0)
 152                 return ret;
 153
 154         ret = wl1271_acx_service_period_timeout(wl);
 155         if (ret < 0)
 156                 return ret;
 157
 158         ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
 159         if (ret < 0)
 160                 return ret;
 161
 162         return 0;
 163 }
 164
 165 static int wl1271_init_beacon_filter(struct wl1271 *wl)
 166 {
 167         int ret;
 168
 169         /* disable beacon filtering at this stage */
 170         ret = wl1271_acx_beacon_filter_opt(wl, false);
 171         if (ret < 0)
 172                 return ret;
 173
 174         ret = wl1271_acx_beacon_filter_table(wl);
 175         if (ret < 0)
 176                 return ret;
 177
 178         return 0;
 179 }
 180
 181 int wl1271_init_pta(struct wl1271 *wl)
 182 {
 183         int ret;
 184
 185         ret = wl1271_acx_sg_cfg(wl);
 186         if (ret < 0)
 187                 return ret;
 188
 189         ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
 190         if (ret < 0)
 191                 return ret;
 192
 193         return 0;
 194 }
 195
 196 int wl1271_init_energy_detection(struct wl1271 *wl)
 197 {
 198         int ret;
 199
 200         ret = wl1271_acx_cca_threshold(wl);
 201         if (ret < 0)
 202                 return ret;
 203
 204         return 0;
 205 }
 206
 207 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 208 {
 209         int ret;
 210
 211         ret = wl1271_acx_bcn_dtim_options(wl);
 212         if (ret < 0)
 213                 return ret;
 214
 215         return 0;
 216 }
 217
 218 int wl1271_hw_init(struct wl1271 *wl)
 219 {
 220         struct conf_tx_ac_category *conf_ac;
 221         struct conf_tx_tid *conf_tid;
 222         int ret, i;
 223
 224         ret = wl1271_cmd_general_parms(wl);
 225         if (ret < 0)
 226                 return ret;
 227
 228         ret = wl1271_cmd_radio_parms(wl);
 229         if (ret < 0)
 230                 return ret;
 231
 232         ret = wl1271_cmd_ext_radio_parms(wl);
 233         if (ret < 0)
 234                 return ret;
 235
 236         /* Template settings */
 237         ret = wl1271_init_templates_config(wl);
 238         if (ret < 0)
 239                 return ret;
 240
 241         /* Default memory configuration */
 242         ret = wl1271_acx_init_mem_config(wl);
 243         if (ret < 0)
 244                 return ret;
 245
 246         /* RX config */
 247         ret = wl1271_init_rx_config(wl,
 248                                     RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 249                                     RX_FILTER_OPTION_DEF);
 250         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 251            RX_FILTER_OPTION_FILTER_ALL); */
 252         if (ret < 0)
 253                 goto out_free_memmap;
 254
 255         /* PHY layer config */
 256         ret = wl1271_init_phy_config(wl);
 257         if (ret < 0)
 258                 goto out_free_memmap;
 259
 260         ret = wl1271_acx_dco_itrim_params(wl);
 261         if (ret < 0)
 262                 goto out_free_memmap;
 263
 264         /* Initialize connection monitoring thresholds */
 265         ret = wl1271_acx_conn_monit_params(wl, false);
 266         if (ret < 0)
 267                 goto out_free_memmap;
 268
 269         /* Beacon filtering */
 270         ret = wl1271_init_beacon_filter(wl);
 271         if (ret < 0)
 272                 goto out_free_memmap;
 273
 274         /* Configure TX patch complete interrupt behavior */
 275         ret = wl1271_acx_tx_config_options(wl);
 276         if (ret < 0)
 277                 goto out_free_memmap;
 278
 279         /* RX complete interrupt pacing */
 280         ret = wl1271_acx_init_rx_interrupt(wl);
 281         if (ret < 0)
 282                 goto out_free_memmap;
 283
 284         /* Bluetooth WLAN coexistence */
 285         ret = wl1271_init_pta(wl);
 286         if (ret < 0)
 287                 goto out_free_memmap;
 288
 289         /* Energy detection */
 290         ret = wl1271_init_energy_detection(wl);
 291         if (ret < 0)
 292                 goto out_free_memmap;
 293
 294         /* Beacons and boradcast settings */
 295         ret = wl1271_init_beacon_broadcast(wl);
 296         if (ret < 0)
 297                 goto out_free_memmap;
 298
 299         /* Default fragmentation threshold */
 300         ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
 301         if (ret < 0)
 302                 goto out_free_memmap;
 303
 304         /* Default TID/AC configuration */
 305         BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
 306         for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
 307                 conf_ac = &wl->conf.tx.ac_conf[i];
 308                 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
 309                                         conf_ac->cw_max, conf_ac->aifsn,
 310                                         conf_ac->tx_op_limit);
 311                 if (ret < 0)
 312                         goto out_free_memmap;
 313
 314                 conf_tid = &wl->conf.tx.tid_conf[i];
 315                 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
 316                                          conf_tid->channel_type,
 317                                          conf_tid->tsid,
 318                                          conf_tid->ps_scheme,
 319                                          conf_tid->ack_policy,
 320                                          conf_tid->apsd_conf[0],
 321                                          conf_tid->apsd_conf[1]);
 322                 if (ret < 0)
 323                         goto out_free_memmap;
 324         }
 325
 326         /* Configure TX rate classes */
 327         ret = wl1271_acx_rate_policies(wl);
 328         if (ret < 0)
 329                 goto out_free_memmap;
 330
 331         /* Enable data path */
 332         ret = wl1271_cmd_data_path(wl, 1);
 333         if (ret < 0)
 334                 goto out_free_memmap;
 335
 336         /* Configure for ELP power saving */
 337         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 338         if (ret < 0)
 339                 goto out_free_memmap;
 340
 341         /* Configure HW encryption */
 342         ret = wl1271_init_hwenc_config(wl);
 343         if (ret < 0)
 344                 goto out_free_memmap;
 345
 346         /* configure PM */
 347         ret = wl1271_acx_pm_config(wl);
 348         if (ret < 0)
 349                 goto out_free_memmap;
 350
 351         /* disable all keep-alive templates */
 352         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 353                 ret = wl1271_acx_keep_alive_config(wl, i,
 354                                                    ACX_KEEP_ALIVE_TPL_INVALID);
 355                 if (ret < 0)
 356                         goto out_free_memmap;
 357         }
 358
 359         /* disable the keep-alive feature */
 360         ret = wl1271_acx_keep_alive_mode(wl, false);
 361         if (ret < 0)
 362                 goto out_free_memmap;
 363
 364         /* Configure rssi/snr averaging weights */
 365         ret = wl1271_acx_rssi_snr_avg_weights(wl);
 366         if (ret < 0)
 367                 goto out_free_memmap;
 368
 369         return 0;
 370
 371  out_free_memmap:
 372         kfree(wl->target_mem_map);
 373         wl->target_mem_map = NULL;
 374
 375         return ret;
 376 }