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);
 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         ret = wl1271_acx_beacon_filter_opt(wl);
 140         if (ret < 0)
 141                 return ret;
 142
 143         ret = wl1271_acx_beacon_filter_table(wl);
 144         if (ret < 0)
 145                 return ret;
 146
 147         return 0;
 148 }
 149
 150 static int wl1271_init_pta(struct wl1271 *wl)
 151 {
 152         int ret;
 153
 154         ret = wl1271_acx_sg_enable(wl);
 155         if (ret < 0)
 156                 return ret;
 157
 158         ret = wl1271_acx_sg_cfg(wl);
 159         if (ret < 0)
 160                 return ret;
 161
 162         return 0;
 163 }
 164
 165 static int wl1271_init_energy_detection(struct wl1271 *wl)
 166 {
 167         int ret;
 168
 169         ret = wl1271_acx_cca_threshold(wl);
 170         if (ret < 0)
 171                 return ret;
 172
 173         return 0;
 174 }
 175
 176 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 177 {
 178         int ret;
 179
 180         ret = wl1271_acx_bcn_dtim_options(wl);
 181         if (ret < 0)
 182                 return ret;
 183
 184         return 0;
 185 }
 186
 187 static int wl1271_init_general_parms(struct wl1271 *wl)
 188 {
 189         struct wl1271_general_parms *gen_parms;
 190         int ret;
 191
 192         gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 193         if (!gen_parms)
 194                 return -ENOMEM;
 195
 196         gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 197
 198         gen_parms->ref_clk = REF_CLK_38_4_E;
 199         /* FIXME: magic numbers */
 200         gen_parms->settling_time = 5;
 201         gen_parms->clk_valid_on_wakeup = 0;
 202         gen_parms->dc2dcmode = 0;
 203         gen_parms->single_dual_band = 0;
 204         gen_parms->tx_bip_fem_autodetect = 1;
 205         gen_parms->tx_bip_fem_manufacturer = 1;
 206         gen_parms->settings = 1;
 207
 208         ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
 209         if (ret < 0) {
 210                 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 211                 return ret;
 212         }
 213
 214         kfree(gen_parms);
 215         return 0;
 216 }
 217
 218 static int wl1271_init_radio_parms(struct wl1271 *wl)
 219 {
 220         /*
 221          * FIXME: All these magic numbers should be moved to some place where
 222          * they can be configured (separate file?)
 223          */
 224
 225         struct wl1271_radio_parms *radio_parms;
 226         int ret;
 227         u8 compensation[] = { 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, 0xfc, 0x00,
 228                               0x08, 0x10, 0xf0, 0xf8, 0x00, 0x0a, 0x14 };
 229
 230         u8 tx_rate_limits_normal[]   = { 0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 };
 231         u8 tx_rate_limits_degraded[] = { 0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 };
 232
 233         u8 tx_channel_limits_11b[] = { 0x22, 0x50, 0x50, 0x50,
 234                                        0x50, 0x50, 0x50, 0x50,
 235                                        0x50, 0x50, 0x22, 0x50,
 236                                        0x22, 0x50 };
 237
 238         u8 tx_channel_limits_ofdm[] = { 0x20, 0x50, 0x50, 0x50,
 239                                         0x50, 0x50, 0x50, 0x50,
 240                                         0x50, 0x50, 0x20, 0x50,
 241                                         0x20, 0x50 };
 242
 243         u8 tx_pdv_rate_offsets[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 244
 245         u8 tx_ibias[] = { 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 };
 246
 247         radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 248         if (!radio_parms)
 249                 return -ENOMEM;
 250
 251         radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM;
 252
 253         /* Static radio parameters */
 254         radio_parms->rx_trace_loss = 10;
 255         radio_parms->tx_trace_loss = 10;
 256         memcpy(radio_parms->rx_rssi_and_proc_compens, compensation,
 257                sizeof(compensation));
 258
 259         /* We don't set the 5GHz -- N/A */
 260
 261         /* Dynamic radio parameters */
 262         radio_parms->tx_ref_pd_voltage = cpu_to_le16(0x24e);
 263         radio_parms->tx_ref_power = 0x78;
 264         radio_parms->tx_offset_db = 0x0;
 265
 266         memcpy(radio_parms->tx_rate_limits_normal, tx_rate_limits_normal,
 267                sizeof(tx_rate_limits_normal));
 268         memcpy(radio_parms->tx_rate_limits_degraded, tx_rate_limits_degraded,
 269                sizeof(tx_rate_limits_degraded));
 270
 271         memcpy(radio_parms->tx_channel_limits_11b, tx_channel_limits_11b,
 272                sizeof(tx_channel_limits_11b));
 273         memcpy(radio_parms->tx_channel_limits_ofdm, tx_channel_limits_ofdm,
 274                sizeof(tx_channel_limits_ofdm));
 275         memcpy(radio_parms->tx_pdv_rate_offsets, tx_pdv_rate_offsets,
 276                sizeof(tx_pdv_rate_offsets));
 277         memcpy(radio_parms->tx_ibias, tx_ibias,
 278                sizeof(tx_ibias));
 279
 280         radio_parms->rx_fem_insertion_loss = 0x14;
 281
 282         ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 283         if (ret < 0)
 284                 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
 285
 286         kfree(radio_parms);
 287         return ret;
 288 }
 289
 290 int wl1271_hw_init(struct wl1271 *wl)
 291 {
 292         int ret;
 293
 294         ret = wl1271_init_general_parms(wl);
 295         if (ret < 0)
 296                 return ret;
 297
 298         ret = wl1271_init_radio_parms(wl);
 299         if (ret < 0)
 300                 return ret;
 301
 302         /* Template settings */
 303         ret = wl1271_init_templates_config(wl);
 304         if (ret < 0)
 305                 return ret;
 306
 307         /* Default memory configuration */
 308         ret = wl1271_acx_init_mem_config(wl);
 309         if (ret < 0)
 310                 return ret;
 311
 312         /* RX config */
 313         ret = wl1271_init_rx_config(wl,
 314                                        RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 315                                        RX_FILTER_OPTION_DEF);
 316         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 317            RX_FILTER_OPTION_FILTER_ALL); */
 318         if (ret < 0)
 319                 goto out_free_memmap;
 320
 321         /* PHY layer config */
 322         ret = wl1271_init_phy_config(wl);
 323         if (ret < 0)
 324                 goto out_free_memmap;
 325
 326         /* Beacon filtering */
 327         ret = wl1271_init_beacon_filter(wl);
 328         if (ret < 0)
 329                 goto out_free_memmap;
 330
 331         /* Configure TX patch complete interrupt behavior */
 332         ret = wl1271_acx_tx_config_options(wl);
 333         if (ret < 0)
 334                 goto out_free_memmap;
 335
 336         /* RX complete interrupt pacing */
 337         ret = wl1271_acx_init_rx_interrupt(wl);
 338         if (ret < 0)
 339                 goto out_free_memmap;
 340
 341         /* Bluetooth WLAN coexistence */
 342         ret = wl1271_init_pta(wl);
 343         if (ret < 0)
 344                 goto out_free_memmap;
 345
 346         /* Energy detection */
 347         ret = wl1271_init_energy_detection(wl);
 348         if (ret < 0)
 349                 goto out_free_memmap;
 350
 351         /* Beacons and boradcast settings */
 352         ret = wl1271_init_beacon_broadcast(wl);
 353         if (ret < 0)
 354                 goto out_free_memmap;
 355
 356         /* Default fragmentation threshold */
 357         ret = wl1271_acx_frag_threshold(wl);
 358         if (ret < 0)
 359                 goto out_free_memmap;
 360
 361         /* Default TID configuration */
 362         ret = wl1271_acx_tid_cfg(wl);
 363         if (ret < 0)
 364                 goto out_free_memmap;
 365
 366         /* Default AC configuration */
 367         ret = wl1271_acx_ac_cfg(wl);
 368         if (ret < 0)
 369                 goto out_free_memmap;
 370
 371         /* Configure TX rate classes */
 372         ret = wl1271_acx_rate_policies(wl);
 373         if (ret < 0)
 374                 goto out_free_memmap;
 375
 376         /* Enable data path */
 377         ret = wl1271_cmd_data_path(wl, wl->channel, 1);
 378         if (ret < 0)
 379                 goto out_free_memmap;
 380
 381         /* Configure for ELP power saving */
 382         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 383         if (ret < 0)
 384                 goto out_free_memmap;
 385
 386         /* Configure HW encryption */
 387         ret = wl1271_init_hwenc_config(wl);
 388         if (ret < 0)
 389                 goto out_free_memmap;
 390
 391         return 0;
 392
 393  out_free_memmap:
 394         kfree(wl->target_mem_map);
 395
 396         return ret;
 397 }