drivers/net/wireless/wl12xx/wl1251_init.c

   1 /*
   2  * This file is part of wl1251
   3  *
   4  * Copyright (C) 2009 Nokia Corporation
   5  *
   6  * Contact: Kalle Valo <kalle.valo@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 "wl1251_init.h"
  28 #include "wl12xx_80211.h"
  29 #include "wl1251_acx.h"
  30 #include "wl1251_cmd.h"
  31 #include "wl1251_reg.h"
  32
  33 int wl1251_hw_init_hwenc_config(struct wl1251 *wl)
  34 {
  35         int ret;
  36
  37         ret = wl1251_acx_feature_cfg(wl);
  38         if (ret < 0) {
  39                 wl1251_warning("couldn't set feature config");
  40                 return ret;
  41         }
  42
  43         ret = wl1251_acx_default_key(wl, wl->default_key);
  44         if (ret < 0) {
  45                 wl1251_warning("couldn't set default key");
  46                 return ret;
  47         }
  48
  49         return 0;
  50 }
  51
  52 int wl1251_hw_init_templates_config(struct wl1251 *wl)
  53 {
  54         int ret;
  55         u8 partial_vbm[PARTIAL_VBM_MAX];
  56
  57         /* send empty templates for fw memory reservation */
  58         ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL,
  59                                       sizeof(struct wl12xx_probe_req_template));
  60         if (ret < 0)
  61                 return ret;
  62
  63         ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL,
  64                                       sizeof(struct wl12xx_null_data_template));
  65         if (ret < 0)
  66                 return ret;
  67
  68         ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL,
  69                                       sizeof(struct wl12xx_ps_poll_template));
  70         if (ret < 0)
  71                 return ret;
  72
  73         ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL,
  74                                       sizeof
  75                                       (struct wl12xx_qos_null_data_template));
  76         if (ret < 0)
  77                 return ret;
  78
  79         ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL,
  80                                       sizeof
  81                                       (struct wl12xx_probe_resp_template));
  82         if (ret < 0)
  83                 return ret;
  84
  85         ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL,
  86                                       sizeof
  87                                       (struct wl12xx_beacon_template));
  88         if (ret < 0)
  89                 return ret;
  90
  91         /* tim templates, first reserve space then allocate an empty one */
  92         memset(partial_vbm, 0, PARTIAL_VBM_MAX);
  93         ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0);
  94         if (ret < 0)
  95                 return ret;
  96
  97         ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0);
  98         if (ret < 0)
  99                 return ret;
 100
 101         return 0;
 102 }
 103
 104 int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter)
 105 {
 106         int ret;
 107
 108         ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF);
 109         if (ret < 0)
 110                 return ret;
 111
 112         ret = wl1251_acx_rx_config(wl, config, filter);
 113         if (ret < 0)
 114                 return ret;
 115
 116         return 0;
 117 }
 118
 119 int wl1251_hw_init_phy_config(struct wl1251 *wl)
 120 {
 121         int ret;
 122
 123         ret = wl1251_acx_pd_threshold(wl);
 124         if (ret < 0)
 125                 return ret;
 126
 127         ret = wl1251_acx_slot(wl, DEFAULT_SLOT_TIME);
 128         if (ret < 0)
 129                 return ret;
 130
 131         ret = wl1251_acx_group_address_tbl(wl);
 132         if (ret < 0)
 133                 return ret;
 134
 135         ret = wl1251_acx_service_period_timeout(wl);
 136         if (ret < 0)
 137                 return ret;
 138
 139         ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF);
 140         if (ret < 0)
 141                 return ret;
 142
 143         return 0;
 144 }
 145
 146 int wl1251_hw_init_beacon_filter(struct wl1251 *wl)
 147 {
 148         int ret;
 149
 150         ret = wl1251_acx_beacon_filter_opt(wl);
 151         if (ret < 0)
 152                 return ret;
 153
 154         ret = wl1251_acx_beacon_filter_table(wl);
 155         if (ret < 0)
 156                 return ret;
 157
 158         return 0;
 159 }
 160
 161 int wl1251_hw_init_pta(struct wl1251 *wl)
 162 {
 163         int ret;
 164
 165         ret = wl1251_acx_sg_enable(wl);
 166         if (ret < 0)
 167                 return ret;
 168
 169         ret = wl1251_acx_sg_cfg(wl);
 170         if (ret < 0)
 171                 return ret;
 172
 173         return 0;
 174 }
 175
 176 int wl1251_hw_init_energy_detection(struct wl1251 *wl)
 177 {
 178         int ret;
 179
 180         ret = wl1251_acx_cca_threshold(wl);
 181         if (ret < 0)
 182                 return ret;
 183
 184         return 0;
 185 }
 186
 187 int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl)
 188 {
 189         int ret;
 190
 191         ret = wl1251_acx_bcn_dtim_options(wl);
 192         if (ret < 0)
 193                 return ret;
 194
 195         return 0;
 196 }
 197
 198 int wl1251_hw_init_power_auth(struct wl1251 *wl)
 199 {
 200         return wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM);
 201 }
 202
 203 int wl1251_hw_init_mem_config(struct wl1251 *wl)
 204 {
 205         int ret;
 206
 207         ret = wl1251_acx_mem_cfg(wl);
 208         if (ret < 0)
 209                 return ret;
 210
 211         wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map),
 212                                           GFP_KERNEL);
 213         if (!wl->target_mem_map) {
 214                 wl1251_error("couldn't allocate target memory map");
 215                 return -ENOMEM;
 216         }
 217
 218         /* we now ask for the firmware built memory map */
 219         ret = wl1251_acx_mem_map(wl, wl->target_mem_map,
 220                                  sizeof(struct wl1251_acx_mem_map));
 221         if (ret < 0) {
 222                 wl1251_error("couldn't retrieve firmware memory map");
 223                 kfree(wl->target_mem_map);
 224                 wl->target_mem_map = NULL;
 225                 return ret;
 226         }
 227
 228         return 0;
 229 }
 230
 231 static int wl1251_hw_init_txq_fill(u8 qid,
 232                                    struct acx_tx_queue_qos_config *config,
 233                                    u32 num_blocks)
 234 {
 235         config->qid = qid;
 236
 237         switch (qid) {
 238         case QOS_AC_BE:
 239                 config->high_threshold =
 240                         (QOS_TX_HIGH_BE_DEF * num_blocks) / 100;
 241                 config->low_threshold =
 242                         (QOS_TX_LOW_BE_DEF * num_blocks) / 100;
 243                 break;
 244         case QOS_AC_BK:
 245                 config->high_threshold =
 246                         (QOS_TX_HIGH_BK_DEF * num_blocks) / 100;
 247                 config->low_threshold =
 248                         (QOS_TX_LOW_BK_DEF * num_blocks) / 100;
 249                 break;
 250         case QOS_AC_VI:
 251                 config->high_threshold =
 252                         (QOS_TX_HIGH_VI_DEF * num_blocks) / 100;
 253                 config->low_threshold =
 254                         (QOS_TX_LOW_VI_DEF * num_blocks) / 100;
 255                 break;
 256         case QOS_AC_VO:
 257                 config->high_threshold =
 258                         (QOS_TX_HIGH_VO_DEF * num_blocks) / 100;
 259                 config->low_threshold =
 260                         (QOS_TX_LOW_VO_DEF * num_blocks) / 100;
 261                 break;
 262         default:
 263                 wl1251_error("Invalid TX queue id: %d", qid);
 264                 return -EINVAL;
 265         }
 266
 267         return 0;
 268 }
 269
 270 static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl)
 271 {
 272         struct acx_tx_queue_qos_config *config;
 273         struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map;
 274         int ret, i;
 275
 276         wl1251_debug(DEBUG_ACX, "acx tx queue config");
 277
 278         config = kzalloc(sizeof(*config), GFP_KERNEL);
 279         if (!config) {
 280                 ret = -ENOMEM;
 281                 goto out;
 282         }
 283
 284         for (i = 0; i < MAX_NUM_OF_AC; i++) {
 285                 ret = wl1251_hw_init_txq_fill(i, config,
 286                                               wl_mem_map->num_tx_mem_blocks);
 287                 if (ret < 0)
 288                         goto out;
 289
 290                 ret = wl1251_cmd_configure(wl, ACX_TX_QUEUE_CFG,
 291                                            config, sizeof(*config));
 292                 if (ret < 0)
 293                         goto out;
 294         }
 295
 296 out:
 297         kfree(config);
 298         return ret;
 299 }
 300
 301 static int wl1251_hw_init_data_path_config(struct wl1251 *wl)
 302 {
 303         int ret;
 304
 305         /* asking for the data path parameters */
 306         wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
 307                                 GFP_KERNEL);
 308         if (!wl->data_path) {
 309                 wl1251_error("Couldnt allocate data path parameters");
 310                 return -ENOMEM;
 311         }
 312
 313         ret = wl1251_acx_data_path_params(wl, wl->data_path);
 314         if (ret < 0) {
 315                 kfree(wl->data_path);
 316                 wl->data_path = NULL;
 317                 return ret;
 318         }
 319
 320         return 0;
 321 }
 322
 323
 324 int wl1251_hw_init(struct wl1251 *wl)
 325 {
 326         struct wl1251_acx_mem_map *wl_mem_map;
 327         int ret;
 328
 329         ret = wl1251_hw_init_hwenc_config(wl);
 330         if (ret < 0)
 331                 return ret;
 332
 333         /* Template settings */
 334         ret = wl1251_hw_init_templates_config(wl);
 335         if (ret < 0)
 336                 return ret;
 337
 338         /* Default memory configuration */
 339         ret = wl1251_hw_init_mem_config(wl);
 340         if (ret < 0)
 341                 return ret;
 342
 343         /* Default data path configuration  */
 344         ret = wl1251_hw_init_data_path_config(wl);
 345         if (ret < 0)
 346                 goto out_free_memmap;
 347
 348         /* RX config */
 349         ret = wl1251_hw_init_rx_config(wl,
 350                                        RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 351                                        RX_FILTER_OPTION_DEF);
 352         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 353            RX_FILTER_OPTION_FILTER_ALL); */
 354         if (ret < 0)
 355                 goto out_free_data_path;
 356
 357         /* TX queues config */
 358         ret = wl1251_hw_init_tx_queue_config(wl);
 359         if (ret < 0)
 360                 goto out_free_data_path;
 361
 362         /* PHY layer config */
 363         ret = wl1251_hw_init_phy_config(wl);
 364         if (ret < 0)
 365                 goto out_free_data_path;
 366
 367         /* Beacon filtering */
 368         ret = wl1251_hw_init_beacon_filter(wl);
 369         if (ret < 0)
 370                 goto out_free_data_path;
 371
 372         /* Bluetooth WLAN coexistence */
 373         ret = wl1251_hw_init_pta(wl);
 374         if (ret < 0)
 375                 goto out_free_data_path;
 376
 377         /* Energy detection */
 378         ret = wl1251_hw_init_energy_detection(wl);
 379         if (ret < 0)
 380                 goto out_free_data_path;
 381
 382         /* Beacons and boradcast settings */
 383         ret = wl1251_hw_init_beacon_broadcast(wl);
 384         if (ret < 0)
 385                 goto out_free_data_path;
 386
 387         /* Enable data path */
 388         ret = wl1251_cmd_data_path(wl, wl->channel, 1);
 389         if (ret < 0)
 390                 goto out_free_data_path;
 391
 392         /* Default power state */
 393         ret = wl1251_hw_init_power_auth(wl);
 394         if (ret < 0)
 395                 goto out_free_data_path;
 396
 397         wl_mem_map = wl->target_mem_map;
 398         wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x",
 399                     wl_mem_map->num_tx_mem_blocks,
 400                     wl->data_path->tx_control_addr,
 401                     wl_mem_map->num_rx_mem_blocks,
 402                     wl->data_path->rx_control_addr);
 403
 404         return 0;
 405
 406  out_free_data_path:
 407         kfree(wl->data_path);
 408
 409  out_free_memmap:
 410         kfree(wl->target_mem_map);
 411
 412         return ret;
 413 }