drivers/net/wireless/wl12xx/wl1271_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
  27 #include "wl1271_init.h"
  28 #include "wl12xx_80211.h"
  29 #include "wl1271_acx.h"
  30 #include "wl1271_cmd.h"
  31 #include "wl1271_reg.h"
  32
  33 static int wl1271_init_hwenc_config(struct wl1271 *wl)
  34 {
  35         int ret;
  36
  37         ret = wl1271_acx_feature_cfg(wl);
  38         if (ret < 0) {
  39                 wl1271_warning("couldn't set feature config");
  40                 return ret;
  41         }
  42
  43         ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key);
  44         if (ret < 0) {
  45                 wl1271_warning("couldn't set default key");
  46                 return ret;
  47         }
  48
  49         return 0;
  50 }
  51
  52 static int wl1271_init_templates_config(struct wl1271 *wl)
  53 {
  54         int ret;
  55
  56         /* send empty templates for fw memory reservation */
  57         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
  58                                       sizeof(struct wl12xx_probe_req_template));
  59         if (ret < 0)
  60                 return ret;
  61
  62         if (wl1271_11a_enabled()) {
  63                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  64                                 NULL,
  65                                 sizeof(struct wl12xx_probe_req_template));
  66                 if (ret < 0)
  67                         return ret;
  68         }
  69
  70         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  71                                       sizeof(struct wl12xx_null_data_template));
  72         if (ret < 0)
  73                 return ret;
  74
  75         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  76                                       sizeof(struct wl12xx_ps_poll_template));
  77         if (ret < 0)
  78                 return ret;
  79
  80         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  81                                       sizeof
  82                                       (struct wl12xx_qos_null_data_template));
  83         if (ret < 0)
  84                 return ret;
  85
  86         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  87                                       sizeof
  88                                       (struct wl12xx_probe_resp_template));
  89         if (ret < 0)
  90                 return ret;
  91
  92         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  93                                       sizeof
  94                                       (struct wl12xx_beacon_template));
  95         if (ret < 0)
  96                 return ret;
  97
  98         return 0;
  99 }
 100
 101 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 102 {
 103         int ret;
 104
 105         ret = wl1271_acx_rx_msdu_life_time(wl);
 106         if (ret < 0)
 107                 return ret;
 108
 109         ret = wl1271_acx_rx_config(wl, config, filter);
 110         if (ret < 0)
 111                 return ret;
 112
 113         return 0;
 114 }
 115
 116 static int wl1271_init_phy_config(struct wl1271 *wl)
 117 {
 118         int ret;
 119
 120         ret = wl1271_acx_pd_threshold(wl);
 121         if (ret < 0)
 122                 return ret;
 123
 124         ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
 125         if (ret < 0)
 126                 return ret;
 127
 128         ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 129         if (ret < 0)
 130                 return ret;
 131
 132         ret = wl1271_acx_service_period_timeout(wl);
 133         if (ret < 0)
 134                 return ret;
 135
 136         ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
 137         if (ret < 0)
 138                 return ret;
 139
 140         return 0;
 141 }
 142
 143 static int wl1271_init_beacon_filter(struct wl1271 *wl)
 144 {
 145         int ret;
 146
 147         /* disable beacon filtering at this stage */
 148         ret = wl1271_acx_beacon_filter_opt(wl, false);
 149         if (ret < 0)
 150                 return ret;
 151
 152         ret = wl1271_acx_beacon_filter_table(wl);
 153         if (ret < 0)
 154                 return ret;
 155
 156         return 0;
 157 }
 158
 159 static int wl1271_init_pta(struct wl1271 *wl)
 160 {
 161         int ret;
 162
 163         ret = wl1271_acx_sg_enable(wl);
 164         if (ret < 0)
 165                 return ret;
 166
 167         ret = wl1271_acx_sg_cfg(wl);
 168         if (ret < 0)
 169                 return ret;
 170
 171         return 0;
 172 }
 173
 174 static int wl1271_init_energy_detection(struct wl1271 *wl)
 175 {
 176         int ret;
 177
 178         ret = wl1271_acx_cca_threshold(wl);
 179         if (ret < 0)
 180                 return ret;
 181
 182         return 0;
 183 }
 184
 185 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 186 {
 187         int ret;
 188
 189         ret = wl1271_acx_bcn_dtim_options(wl);
 190         if (ret < 0)
 191                 return ret;
 192
 193         return 0;
 194 }
 195
 196 int wl1271_hw_init(struct wl1271 *wl)
 197 {
 198         struct conf_tx_ac_category *conf_ac;
 199         int ret, i;
 200
 201         ret = wl1271_cmd_general_parms(wl);
 202         if (ret < 0)
 203                 return ret;
 204
 205         ret = wl1271_cmd_radio_parms(wl);
 206         if (ret < 0)
 207                 return ret;
 208
 209         /* Template settings */
 210         ret = wl1271_init_templates_config(wl);
 211         if (ret < 0)
 212                 return ret;
 213
 214         /* Default memory configuration */
 215         ret = wl1271_acx_init_mem_config(wl);
 216         if (ret < 0)
 217                 return ret;
 218
 219         /* RX config */
 220         ret = wl1271_init_rx_config(wl,
 221                                     RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 222                                     RX_FILTER_OPTION_DEF);
 223         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 224            RX_FILTER_OPTION_FILTER_ALL); */
 225         if (ret < 0)
 226                 goto out_free_memmap;
 227
 228         /* PHY layer config */
 229         ret = wl1271_init_phy_config(wl);
 230         if (ret < 0)
 231                 goto out_free_memmap;
 232
 233         ret = wl1271_acx_dco_itrim_params(wl);
 234         if (ret < 0)
 235                 goto out_free_memmap;
 236
 237         /* Initialize connection monitoring thresholds */
 238         ret = wl1271_acx_conn_monit_params(wl);
 239         if (ret < 0)
 240                 goto out_free_memmap;
 241
 242         /* Beacon filtering */
 243         ret = wl1271_init_beacon_filter(wl);
 244         if (ret < 0)
 245                 goto out_free_memmap;
 246
 247         /* Configure TX patch complete interrupt behavior */
 248         ret = wl1271_acx_tx_config_options(wl);
 249         if (ret < 0)
 250                 goto out_free_memmap;
 251
 252         /* RX complete interrupt pacing */
 253         ret = wl1271_acx_init_rx_interrupt(wl);
 254         if (ret < 0)
 255                 goto out_free_memmap;
 256
 257         /* Bluetooth WLAN coexistence */
 258         ret = wl1271_init_pta(wl);
 259         if (ret < 0)
 260                 goto out_free_memmap;
 261
 262         /* Energy detection */
 263         ret = wl1271_init_energy_detection(wl);
 264         if (ret < 0)
 265                 goto out_free_memmap;
 266
 267         /* Beacons and boradcast settings */
 268         ret = wl1271_init_beacon_broadcast(wl);
 269         if (ret < 0)
 270                 goto out_free_memmap;
 271
 272         /* Default fragmentation threshold */
 273         ret = wl1271_acx_frag_threshold(wl);
 274         if (ret < 0)
 275                 goto out_free_memmap;
 276
 277         /* Default TID configuration */
 278         ret = wl1271_acx_tid_cfg(wl);
 279         if (ret < 0)
 280                 goto out_free_memmap;
 281
 282         /* Default AC configuration */
 283         for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
 284                 conf_ac = &wl->conf.tx.ac_conf[i];
 285                 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
 286                                         conf_ac->cw_max, conf_ac->aifsn,
 287                                         conf_ac->tx_op_limit);
 288                 if (ret < 0)
 289                         goto out_free_memmap;
 290         }
 291
 292         /* Configure TX rate classes */
 293         ret = wl1271_acx_rate_policies(wl);
 294         if (ret < 0)
 295                 goto out_free_memmap;
 296
 297         /* Enable data path */
 298         ret = wl1271_cmd_data_path(wl, 1);
 299         if (ret < 0)
 300                 goto out_free_memmap;
 301
 302         /* Configure for ELP power saving */
 303         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 304         if (ret < 0)
 305                 goto out_free_memmap;
 306
 307         /* Configure HW encryption */
 308         ret = wl1271_init_hwenc_config(wl);
 309         if (ret < 0)
 310                 goto out_free_memmap;
 311
 312         /* configure PM */
 313         ret = wl1271_acx_pm_config(wl);
 314         if (ret < 0)
 315                 goto out_free_memmap;
 316
 317         return 0;
 318
 319  out_free_memmap:
 320         kfree(wl->target_mem_map);
 321         wl->target_mem_map = NULL;
 322
 323         return ret;
 324 }