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