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         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  63                                       sizeof(struct wl12xx_null_data_template));
  64         if (ret < 0)
  65                 return ret;
  66
  67         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  68                                       sizeof(struct wl12xx_ps_poll_template));
  69         if (ret < 0)
  70                 return ret;
  71
  72         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  73                                       sizeof
  74                                       (struct wl12xx_qos_null_data_template));
  75         if (ret < 0)
  76                 return ret;
  77
  78         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  79                                       sizeof
  80                                       (struct wl12xx_probe_resp_template));
  81         if (ret < 0)
  82                 return ret;
  83
  84         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  85                                       sizeof
  86                                       (struct wl12xx_beacon_template));
  87         if (ret < 0)
  88                 return ret;
  89
  90         return 0;
  91 }
  92
  93 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
  94 {
  95         int ret;
  96
  97         ret = wl1271_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF);
  98         if (ret < 0)
  99                 return ret;
 100
 101         ret = wl1271_acx_rx_config(wl, config, filter);
 102         if (ret < 0)
 103                 return ret;
 104
 105         return 0;
 106 }
 107
 108 static int wl1271_init_phy_config(struct wl1271 *wl)
 109 {
 110         int ret;
 111
 112         ret = wl1271_acx_pd_threshold(wl);
 113         if (ret < 0)
 114                 return ret;
 115
 116         ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
 117         if (ret < 0)
 118                 return ret;
 119
 120         ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 121         if (ret < 0)
 122                 return ret;
 123
 124         ret = wl1271_acx_service_period_timeout(wl);
 125         if (ret < 0)
 126                 return ret;
 127
 128         ret = wl1271_acx_rts_threshold(wl, RTS_THRESHOLD_DEF);
 129         if (ret < 0)
 130                 return ret;
 131
 132         return 0;
 133 }
 134
 135 static int wl1271_init_beacon_filter(struct wl1271 *wl)
 136 {
 137         int ret;
 138
 139         /* disable beacon filtering at this stage */
 140         ret = wl1271_acx_beacon_filter_opt(wl, false);
 141         if (ret < 0)
 142                 return ret;
 143
 144         ret = wl1271_acx_beacon_filter_table(wl);
 145         if (ret < 0)
 146                 return ret;
 147
 148         return 0;
 149 }
 150
 151 static int wl1271_init_pta(struct wl1271 *wl)
 152 {
 153         int ret;
 154
 155         ret = wl1271_acx_sg_enable(wl);
 156         if (ret < 0)
 157                 return ret;
 158
 159         ret = wl1271_acx_sg_cfg(wl);
 160         if (ret < 0)
 161                 return ret;
 162
 163         return 0;
 164 }
 165
 166 static int wl1271_init_energy_detection(struct wl1271 *wl)
 167 {
 168         int ret;
 169
 170         ret = wl1271_acx_cca_threshold(wl);
 171         if (ret < 0)
 172                 return ret;
 173
 174         return 0;
 175 }
 176
 177 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 178 {
 179         int ret;
 180
 181         ret = wl1271_acx_bcn_dtim_options(wl);
 182         if (ret < 0)
 183                 return ret;
 184
 185         return 0;
 186 }
 187
 188 static int wl1271_init_general_parms(struct wl1271 *wl)
 189 {
 190         struct wl1271_general_parms *gen_parms;
 191         int ret;
 192
 193         gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 194         if (!gen_parms)
 195                 return -ENOMEM;
 196
 197         gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 198
 199         gen_parms->ref_clk = REF_CLK_38_4_E;
 200         /* FIXME: magic numbers */
 201         gen_parms->settling_time = 5;
 202         gen_parms->clk_valid_on_wakeup = 0;
 203         gen_parms->dc2dcmode = 0;
 204         gen_parms->single_dual_band = 0;
 205         gen_parms->tx_bip_fem_autodetect = 0;
 206         gen_parms->tx_bip_fem_manufacturer = 1;
 207         gen_parms->settings = 1;
 208
 209         ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
 210         if (ret < 0) {
 211                 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 212                 return ret;
 213         }
 214
 215         kfree(gen_parms);
 216         return 0;
 217 }
 218
 219 static int wl1271_init_radio_parms(struct wl1271 *wl)
 220 {
 221         /*
 222          * FIXME: All these magic numbers should be moved to some place where
 223          * they can be configured (separate file?)
 224          */
 225
 226         struct wl1271_radio_parms *radio_parms;
 227         int ret;
 228         u8 compensation[] = { 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, 0xfc, 0x00,
 229                               0x08, 0x10, 0xf0, 0xf8, 0x00, 0x0a, 0x14 };
 230
 231         u8 tx_rate_limits_normal[]   = { 0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 };
 232         u8 tx_rate_limits_degraded[] = { 0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 };
 233
 234         u8 tx_channel_limits_11b[] = { 0x22, 0x50, 0x50, 0x50,
 235                                        0x50, 0x50, 0x50, 0x50,
 236                                        0x50, 0x50, 0x22, 0x50,
 237                                        0x22, 0x50 };
 238
 239         u8 tx_channel_limits_ofdm[] = { 0x20, 0x50, 0x50, 0x50,
 240                                         0x50, 0x50, 0x50, 0x50,
 241                                         0x50, 0x50, 0x20, 0x50,
 242                                         0x20, 0x50 };
 243
 244         u8 tx_pdv_rate_offsets[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 245
 246         u8 tx_ibias[] = { 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 };
 247
 248         radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 249         if (!radio_parms)
 250                 return -ENOMEM;
 251
 252         radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM;
 253
 254         /* Static radio parameters */
 255         radio_parms->rx_trace_loss = 10;
 256         radio_parms->tx_trace_loss = 10;
 257         memcpy(radio_parms->rx_rssi_and_proc_compens, compensation,
 258                sizeof(compensation));
 259
 260         /* We don't set the 5GHz -- N/A */
 261
 262         /* Dynamic radio parameters */
 263         radio_parms->tx_ref_pd_voltage = cpu_to_le16(0x24e);
 264         radio_parms->tx_ref_power = 0x78;
 265         radio_parms->tx_offset_db = 0x0;
 266
 267         memcpy(radio_parms->tx_rate_limits_normal, tx_rate_limits_normal,
 268                sizeof(tx_rate_limits_normal));
 269         memcpy(radio_parms->tx_rate_limits_degraded, tx_rate_limits_degraded,
 270                sizeof(tx_rate_limits_degraded));
 271
 272         memcpy(radio_parms->tx_channel_limits_11b, tx_channel_limits_11b,
 273                sizeof(tx_channel_limits_11b));
 274         memcpy(radio_parms->tx_channel_limits_ofdm, tx_channel_limits_ofdm,
 275                sizeof(tx_channel_limits_ofdm));
 276         memcpy(radio_parms->tx_pdv_rate_offsets, tx_pdv_rate_offsets,
 277                sizeof(tx_pdv_rate_offsets));
 278         memcpy(radio_parms->tx_ibias, tx_ibias,
 279                sizeof(tx_ibias));
 280
 281         radio_parms->rx_fem_insertion_loss = 0x14;
 282
 283         ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 284         if (ret < 0)
 285                 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
 286
 287         kfree(radio_parms);
 288         return ret;
 289 }
 290
 291 int wl1271_hw_init(struct wl1271 *wl)
 292 {
 293         int ret;
 294
 295         ret = wl1271_init_general_parms(wl);
 296         if (ret < 0)
 297                 return ret;
 298
 299         ret = wl1271_init_radio_parms(wl);
 300         if (ret < 0)
 301                 return ret;
 302
 303         /* Template settings */
 304         ret = wl1271_init_templates_config(wl);
 305         if (ret < 0)
 306                 return ret;
 307
 308         /* Default memory configuration */
 309         ret = wl1271_acx_init_mem_config(wl);
 310         if (ret < 0)
 311                 return ret;
 312
 313         /* RX config */
 314         ret = wl1271_init_rx_config(wl,
 315                                        RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 316                                        RX_FILTER_OPTION_DEF);
 317         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 318            RX_FILTER_OPTION_FILTER_ALL); */
 319         if (ret < 0)
 320                 goto out_free_memmap;
 321
 322         /* PHY layer config */
 323         ret = wl1271_init_phy_config(wl);
 324         if (ret < 0)
 325                 goto out_free_memmap;
 326
 327         /* Initialize connection monitoring thresholds */
 328         ret = wl1271_acx_conn_monit_params(wl);
 329         if (ret < 0)
 330                 goto out_free_memmap;
 331
 332         /* Beacon filtering */
 333         ret = wl1271_init_beacon_filter(wl);
 334         if (ret < 0)
 335                 goto out_free_memmap;
 336
 337         /* Configure TX patch complete interrupt behavior */
 338         ret = wl1271_acx_tx_config_options(wl);
 339         if (ret < 0)
 340                 goto out_free_memmap;
 341
 342         /* RX complete interrupt pacing */
 343         ret = wl1271_acx_init_rx_interrupt(wl);
 344         if (ret < 0)
 345                 goto out_free_memmap;
 346
 347         /* Bluetooth WLAN coexistence */
 348         ret = wl1271_init_pta(wl);
 349         if (ret < 0)
 350                 goto out_free_memmap;
 351
 352         /* Energy detection */
 353         ret = wl1271_init_energy_detection(wl);
 354         if (ret < 0)
 355                 goto out_free_memmap;
 356
 357         /* Beacons and boradcast settings */
 358         ret = wl1271_init_beacon_broadcast(wl);
 359         if (ret < 0)
 360                 goto out_free_memmap;
 361
 362         /* Default fragmentation threshold */
 363         ret = wl1271_acx_frag_threshold(wl);
 364         if (ret < 0)
 365                 goto out_free_memmap;
 366
 367         /* Default TID configuration */
 368         ret = wl1271_acx_tid_cfg(wl);
 369         if (ret < 0)
 370                 goto out_free_memmap;
 371
 372         /* Default AC configuration */
 373         ret = wl1271_acx_ac_cfg(wl);
 374         if (ret < 0)
 375                 goto out_free_memmap;
 376
 377         /* Configure TX rate classes */
 378         ret = wl1271_acx_rate_policies(wl, ACX_RATE_MASK_ALL);
 379         if (ret < 0)
 380                 goto out_free_memmap;
 381
 382         /* Enable data path */
 383         ret = wl1271_cmd_data_path(wl, wl->channel, 1);
 384         if (ret < 0)
 385                 goto out_free_memmap;
 386
 387         /* Configure for ELP power saving */
 388         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 389         if (ret < 0)
 390                 goto out_free_memmap;
 391
 392         /* Configure HW encryption */
 393         ret = wl1271_init_hwenc_config(wl);
 394         if (ret < 0)
 395                 goto out_free_memmap;
 396
 397         /* Configure smart reflex */
 398         ret = wl1271_acx_smart_reflex(wl);
 399         if (ret < 0)
 400                 goto out_free_memmap;
 401
 402         return 0;
 403
 404  out_free_memmap:
 405         kfree(wl->target_mem_map);
 406         wl->target_mem_map = NULL;
 407
 408         return ret;
 409 }