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 int wl1271_init_templates_config(struct wl1271 *wl)
  53 {
  54         int ret, i;
  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                                       0);
  60         if (ret < 0)
  61                 return ret;
  62
  63         if (wl1271_11a_enabled()) {
  64                 size_t size = sizeof(struct wl12xx_probe_req_template);
  65                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  66                                               NULL, size, 0);
  67                 if (ret < 0)
  68                         return ret;
  69         }
  70
  71         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  72                                       sizeof(struct wl12xx_null_data_template),
  73                                       0);
  74         if (ret < 0)
  75                 return ret;
  76
  77         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  78                                       sizeof(struct wl12xx_ps_poll_template),
  79                                       0);
  80         if (ret < 0)
  81                 return ret;
  82
  83         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  84                                       sizeof
  85                                       (struct wl12xx_qos_null_data_template),
  86                                       0);
  87         if (ret < 0)
  88                 return ret;
  89
  90         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  91                                       sizeof
  92                                       (struct wl12xx_probe_resp_template),
  93                                       0);
  94         if (ret < 0)
  95                 return ret;
  96
  97         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  98                                       sizeof
  99                                       (struct wl12xx_beacon_template),
 100                                       0);
 101         if (ret < 0)
 102                 return ret;
 103
 104         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 105                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
 106                                               WL1271_CMD_TEMPL_MAX_SIZE, i);
 107                 if (ret < 0)
 108                         return ret;
 109         }
 110
 111         return 0;
 112 }
 113
 114 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 115 {
 116         int ret;
 117
 118         ret = wl1271_acx_rx_msdu_life_time(wl);
 119         if (ret < 0)
 120                 return ret;
 121
 122         ret = wl1271_acx_rx_config(wl, config, filter);
 123         if (ret < 0)
 124                 return ret;
 125
 126         return 0;
 127 }
 128
 129 int wl1271_init_phy_config(struct wl1271 *wl)
 130 {
 131         int ret;
 132
 133         ret = wl1271_acx_pd_threshold(wl);
 134         if (ret < 0)
 135                 return ret;
 136
 137         ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
 138         if (ret < 0)
 139                 return ret;
 140
 141         ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 142         if (ret < 0)
 143                 return ret;
 144
 145         ret = wl1271_acx_service_period_timeout(wl);
 146         if (ret < 0)
 147                 return ret;
 148
 149         ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
 150         if (ret < 0)
 151                 return ret;
 152
 153         return 0;
 154 }
 155
 156 static int wl1271_init_beacon_filter(struct wl1271 *wl)
 157 {
 158         int ret;
 159
 160         /* disable beacon filtering at this stage */
 161         ret = wl1271_acx_beacon_filter_opt(wl, false);
 162         if (ret < 0)
 163                 return ret;
 164
 165         ret = wl1271_acx_beacon_filter_table(wl);
 166         if (ret < 0)
 167                 return ret;
 168
 169         return 0;
 170 }
 171
 172 int wl1271_init_pta(struct wl1271 *wl)
 173 {
 174         int ret;
 175
 176         ret = wl1271_acx_sg_cfg(wl);
 177         if (ret < 0)
 178                 return ret;
 179
 180         ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
 181         if (ret < 0)
 182                 return ret;
 183
 184         return 0;
 185 }
 186
 187 int wl1271_init_energy_detection(struct wl1271 *wl)
 188 {
 189         int ret;
 190
 191         ret = wl1271_acx_cca_threshold(wl);
 192         if (ret < 0)
 193                 return ret;
 194
 195         return 0;
 196 }
 197
 198 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 199 {
 200         int ret;
 201
 202         ret = wl1271_acx_bcn_dtim_options(wl);
 203         if (ret < 0)
 204                 return ret;
 205
 206         return 0;
 207 }
 208
 209 int wl1271_hw_init(struct wl1271 *wl)
 210 {
 211         struct conf_tx_ac_category *conf_ac;
 212         struct conf_tx_tid *conf_tid;
 213         int ret, i;
 214
 215         ret = wl1271_cmd_general_parms(wl);
 216         if (ret < 0)
 217                 return ret;
 218
 219         ret = wl1271_cmd_radio_parms(wl);
 220         if (ret < 0)
 221                 return ret;
 222
 223         /* Template settings */
 224         ret = wl1271_init_templates_config(wl);
 225         if (ret < 0)
 226                 return ret;
 227
 228         /* Default memory configuration */
 229         ret = wl1271_acx_init_mem_config(wl);
 230         if (ret < 0)
 231                 return ret;
 232
 233         /* RX config */
 234         ret = wl1271_init_rx_config(wl,
 235                                     RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 236                                     RX_FILTER_OPTION_DEF);
 237         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 238            RX_FILTER_OPTION_FILTER_ALL); */
 239         if (ret < 0)
 240                 goto out_free_memmap;
 241
 242         /* PHY layer config */
 243         ret = wl1271_init_phy_config(wl);
 244         if (ret < 0)
 245                 goto out_free_memmap;
 246
 247         ret = wl1271_acx_dco_itrim_params(wl);
 248         if (ret < 0)
 249                 goto out_free_memmap;
 250
 251         /* Initialize connection monitoring thresholds */
 252         ret = wl1271_acx_conn_monit_params(wl, false);
 253         if (ret < 0)
 254                 goto out_free_memmap;
 255
 256         /* Beacon filtering */
 257         ret = wl1271_init_beacon_filter(wl);
 258         if (ret < 0)
 259                 goto out_free_memmap;
 260
 261         /* Configure TX patch complete interrupt behavior */
 262         ret = wl1271_acx_tx_config_options(wl);
 263         if (ret < 0)
 264                 goto out_free_memmap;
 265
 266         /* RX complete interrupt pacing */
 267         ret = wl1271_acx_init_rx_interrupt(wl);
 268         if (ret < 0)
 269                 goto out_free_memmap;
 270
 271         /* Bluetooth WLAN coexistence */
 272         ret = wl1271_init_pta(wl);
 273         if (ret < 0)
 274                 goto out_free_memmap;
 275
 276         /* Energy detection */
 277         ret = wl1271_init_energy_detection(wl);
 278         if (ret < 0)
 279                 goto out_free_memmap;
 280
 281         /* Beacons and boradcast settings */
 282         ret = wl1271_init_beacon_broadcast(wl);
 283         if (ret < 0)
 284                 goto out_free_memmap;
 285
 286         /* Default fragmentation threshold */
 287         ret = wl1271_acx_frag_threshold(wl);
 288         if (ret < 0)
 289                 goto out_free_memmap;
 290
 291         /* Default TID configuration */
 292         for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
 293                 conf_tid = &wl->conf.tx.tid_conf[i];
 294                 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
 295                                          conf_tid->channel_type,
 296                                          conf_tid->tsid,
 297                                          conf_tid->ps_scheme,
 298                                          conf_tid->ack_policy,
 299                                          conf_tid->apsd_conf[0],
 300                                          conf_tid->apsd_conf[1]);
 301                 if (ret < 0)
 302                         goto out_free_memmap;
 303         }
 304
 305         /* Default AC configuration */
 306         for (i = 0; i < wl->conf.tx.ac_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
 315         /* Configure TX rate classes */
 316         ret = wl1271_acx_rate_policies(wl);
 317         if (ret < 0)
 318                 goto out_free_memmap;
 319
 320         /* Enable data path */
 321         ret = wl1271_cmd_data_path(wl, 1);
 322         if (ret < 0)
 323                 goto out_free_memmap;
 324
 325         /* Configure for ELP power saving */
 326         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 327         if (ret < 0)
 328                 goto out_free_memmap;
 329
 330         /* Configure HW encryption */
 331         ret = wl1271_init_hwenc_config(wl);
 332         if (ret < 0)
 333                 goto out_free_memmap;
 334
 335         /* configure PM */
 336         ret = wl1271_acx_pm_config(wl);
 337         if (ret < 0)
 338                 goto out_free_memmap;
 339
 340         /* disable all keep-alive templates */
 341         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 342                 ret = wl1271_acx_keep_alive_config(wl, i,
 343                                                    ACX_KEEP_ALIVE_TPL_INVALID);
 344                 if (ret < 0)
 345                         goto out_free_memmap;
 346         }
 347
 348         /* disable the keep-alive feature */
 349         ret = wl1271_acx_keep_alive_mode(wl, false);
 350         if (ret < 0)
 351                 goto out_free_memmap;
 352
 353         return 0;
 354
 355  out_free_memmap:
 356         kfree(wl->target_mem_map);
 357         wl->target_mem_map = NULL;
 358
 359         return ret;
 360 }