SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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_init_general_parms(struct wl1271 *wl)
 197 {
 198         struct wl1271_general_parms *gen_parms;
 199         struct conf_general_parms *g = &wl->conf.init.genparam;
 200         int ret;
 201
 202         gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 203         if (!gen_parms)
 204                 return -ENOMEM;
 205
 206         gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 207
 208         gen_parms->ref_clk = g->ref_clk;
 209         gen_parms->settling_time = g->settling_time;
 210         gen_parms->clk_valid_on_wakeup = g->clk_valid_on_wakeup;
 211         gen_parms->dc2dcmode = g->dc2dcmode;
 212         gen_parms->single_dual_band = g->single_dual_band;
 213         gen_parms->tx_bip_fem_autodetect = g->tx_bip_fem_autodetect;
 214         gen_parms->tx_bip_fem_manufacturer = g->tx_bip_fem_manufacturer;
 215         gen_parms->settings = g->settings;
 216
 217         ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
 218         if (ret < 0) {
 219                 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 220                 return ret;
 221         }
 222
 223         kfree(gen_parms);
 224         return 0;
 225 }
 226
 227 int wl1271_init_radio_parms(struct wl1271 *wl)
 228 {
 229         struct wl1271_radio_parms *radio_parms;
 230         struct conf_radio_parms *r = &wl->conf.init.radioparam;
 231         int i, ret;
 232
 233         radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 234         if (!radio_parms)
 235                 return -ENOMEM;
 236
 237         radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM;
 238
 239         /* Static radio parameters */
 240         radio_parms->rx_trace_loss = r->rx_trace_loss;
 241         radio_parms->tx_trace_loss = r->tx_trace_loss;
 242         memcpy(radio_parms->rx_rssi_and_proc_compens,
 243                r->rx_rssi_and_proc_compens,
 244                CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
 245
 246         memcpy(radio_parms->rx_trace_loss_5, r->rx_trace_loss_5,
 247                CONF_NUMBER_OF_SUB_BANDS_5);
 248         memcpy(radio_parms->tx_trace_loss_5, r->tx_trace_loss_5,
 249                CONF_NUMBER_OF_SUB_BANDS_5);
 250         memcpy(radio_parms->rx_rssi_and_proc_compens_5,
 251                r->rx_rssi_and_proc_compens_5,
 252                CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
 253
 254         /* Dynamic radio parameters */
 255         radio_parms->tx_ref_pd_voltage = cpu_to_le16(r->tx_ref_pd_voltage);
 256         radio_parms->tx_ref_power = r->tx_ref_power;
 257         radio_parms->tx_offset_db = r->tx_offset_db;
 258
 259         memcpy(radio_parms->tx_rate_limits_normal, r->tx_rate_limits_normal,
 260                CONF_NUMBER_OF_RATE_GROUPS);
 261         memcpy(radio_parms->tx_rate_limits_degraded, r->tx_rate_limits_degraded,
 262                CONF_NUMBER_OF_RATE_GROUPS);
 263
 264         memcpy(radio_parms->tx_channel_limits_11b, r->tx_channel_limits_11b,
 265                CONF_NUMBER_OF_CHANNELS_2_4);
 266         memcpy(radio_parms->tx_channel_limits_ofdm, r->tx_channel_limits_ofdm,
 267                CONF_NUMBER_OF_CHANNELS_2_4);
 268         memcpy(radio_parms->tx_pdv_rate_offsets, r->tx_pdv_rate_offsets,
 269                CONF_NUMBER_OF_RATE_GROUPS);
 270         memcpy(radio_parms->tx_ibias, r->tx_ibias, CONF_NUMBER_OF_RATE_GROUPS);
 271
 272         radio_parms->rx_fem_insertion_loss = r->rx_fem_insertion_loss;
 273
 274         for (i = 0; i < CONF_NUMBER_OF_SUB_BANDS_5; i++)
 275                 radio_parms->tx_ref_pd_voltage_5[i] =
 276                         cpu_to_le16(r->tx_ref_pd_voltage_5[i]);
 277         memcpy(radio_parms->tx_ref_power_5, r->tx_ref_power_5,
 278                CONF_NUMBER_OF_SUB_BANDS_5);
 279         memcpy(radio_parms->tx_offset_db_5, r->tx_offset_db_5,
 280                CONF_NUMBER_OF_SUB_BANDS_5);
 281         memcpy(radio_parms->tx_rate_limits_normal_5,
 282                r->tx_rate_limits_normal_5, CONF_NUMBER_OF_RATE_GROUPS);
 283         memcpy(radio_parms->tx_rate_limits_degraded_5,
 284                r->tx_rate_limits_degraded_5, CONF_NUMBER_OF_RATE_GROUPS);
 285         memcpy(radio_parms->tx_channel_limits_ofdm_5,
 286                r->tx_channel_limits_ofdm_5, CONF_NUMBER_OF_CHANNELS_5);
 287         memcpy(radio_parms->tx_pdv_rate_offsets_5, r->tx_pdv_rate_offsets_5,
 288                CONF_NUMBER_OF_RATE_GROUPS);
 289         memcpy(radio_parms->tx_ibias_5, r->tx_ibias_5,
 290                CONF_NUMBER_OF_RATE_GROUPS);
 291         memcpy(radio_parms->rx_fem_insertion_loss_5,
 292                r->rx_fem_insertion_loss_5, CONF_NUMBER_OF_SUB_BANDS_5);
 293
 294         ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 295         if (ret < 0)
 296                 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
 297
 298         kfree(radio_parms);
 299         return ret;
 300 }
 301
 302 int wl1271_hw_init(struct wl1271 *wl)
 303 {
 304         int ret;
 305
 306         /* FIXME: the following parameter setting functions return error
 307          * codes - the reason is so far unknown. The -EIO is therefore
 308          * ignored for the time being. */
 309         ret = wl1271_init_general_parms(wl);
 310         if (ret < 0 && ret != -EIO)
 311                 return ret;
 312
 313         ret = wl1271_init_radio_parms(wl);
 314         if (ret < 0 && ret != -EIO)
 315                 return ret;
 316
 317         /* Template settings */
 318         ret = wl1271_init_templates_config(wl);
 319         if (ret < 0)
 320                 return ret;
 321
 322         /* Default memory configuration */
 323         ret = wl1271_acx_init_mem_config(wl);
 324         if (ret < 0)
 325                 return ret;
 326
 327         /* RX config */
 328         ret = wl1271_init_rx_config(wl,
 329                                     RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 330                                     RX_FILTER_OPTION_DEF);
 331         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 332            RX_FILTER_OPTION_FILTER_ALL); */
 333         if (ret < 0)
 334                 goto out_free_memmap;
 335
 336         /* PHY layer config */
 337         ret = wl1271_init_phy_config(wl);
 338         if (ret < 0)
 339                 goto out_free_memmap;
 340
 341         /* Initialize connection monitoring thresholds */
 342         ret = wl1271_acx_conn_monit_params(wl);
 343         if (ret < 0)
 344                 goto out_free_memmap;
 345
 346         /* Beacon filtering */
 347         ret = wl1271_init_beacon_filter(wl);
 348         if (ret < 0)
 349                 goto out_free_memmap;
 350
 351         /* Configure TX patch complete interrupt behavior */
 352         ret = wl1271_acx_tx_config_options(wl);
 353         if (ret < 0)
 354                 goto out_free_memmap;
 355
 356         /* RX complete interrupt pacing */
 357         ret = wl1271_acx_init_rx_interrupt(wl);
 358         if (ret < 0)
 359                 goto out_free_memmap;
 360
 361         /* Bluetooth WLAN coexistence */
 362         ret = wl1271_init_pta(wl);
 363         if (ret < 0)
 364                 goto out_free_memmap;
 365
 366         /* Energy detection */
 367         ret = wl1271_init_energy_detection(wl);
 368         if (ret < 0)
 369                 goto out_free_memmap;
 370
 371         /* Beacons and boradcast settings */
 372         ret = wl1271_init_beacon_broadcast(wl);
 373         if (ret < 0)
 374                 goto out_free_memmap;
 375
 376         /* Default fragmentation threshold */
 377         ret = wl1271_acx_frag_threshold(wl);
 378         if (ret < 0)
 379                 goto out_free_memmap;
 380
 381         /* Default TID configuration */
 382         ret = wl1271_acx_tid_cfg(wl);
 383         if (ret < 0)
 384                 goto out_free_memmap;
 385
 386         /* Default AC configuration */
 387         ret = wl1271_acx_ac_cfg(wl);
 388         if (ret < 0)
 389                 goto out_free_memmap;
 390
 391         /* Configure TX rate classes */
 392         ret = wl1271_acx_rate_policies(wl, CONF_TX_RATE_MASK_ALL);
 393         if (ret < 0)
 394                 goto out_free_memmap;
 395
 396         /* Enable data path */
 397         ret = wl1271_cmd_data_path(wl, wl->channel, 1);
 398         if (ret < 0)
 399                 goto out_free_memmap;
 400
 401         /* Configure for ELP power saving */
 402         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 403         if (ret < 0)
 404                 goto out_free_memmap;
 405
 406         /* Configure HW encryption */
 407         ret = wl1271_init_hwenc_config(wl);
 408         if (ret < 0)
 409                 goto out_free_memmap;
 410
 411         /* Configure smart reflex */
 412         ret = wl1271_acx_smart_reflex(wl);
 413         if (ret < 0)
 414                 goto out_free_memmap;
 415
 416         return 0;
 417
 418  out_free_memmap:
 419         kfree(wl->target_mem_map);
 420         wl->target_mem_map = NULL;
 421
 422         return ret;
 423 }