drivers/net/wireless/iwlwifi/dvm/devices.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 /*
  28  * DVM device-specific data & functions
  29  */
  30 #include "iwl-io.h"
  31 #include "iwl-prph.h"
  32 #include "iwl-eeprom-parse.h"
  33
  34 #include "agn.h"
  35 #include "dev.h"
  36 #include "commands.h"
  37
  38
  39 /*
  40  * 1000 series
  41  * ===========
  42  */
  43
  44 /*
  45  * For 1000, use advance thermal throttling critical temperature threshold,
  46  * but legacy thermal management implementation for now.
  47  * This is for the reason of 1000 uCode using advance thermal throttling API
  48  * but not implement ct_kill_exit based on ct_kill exit temperature
  49  * so the thermal throttling will still based on legacy thermal throttling
  50  * management.
  51  * The code here need to be modified once 1000 uCode has the advanced thermal
  52  * throttling algorithm in place
  53  */
  54 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
  55 {
  56         /* want Celsius */
  57         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
  58         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  59 }
  60
  61 /* NIC configuration for 1000 series */
  62 static void iwl1000_nic_config(struct iwl_priv *priv)
  63 {
  64         /* Setting digital SVR for 1000 card to 1.32V */
  65         /* locking is acquired in iwl_set_bits_mask_prph() function */
  66         iwl_set_bits_mask_prph(priv->trans, APMG_DIGITAL_SVR_REG,
  67                                 APMG_SVR_DIGITAL_VOLTAGE_1_32,
  68                                 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
  69 }
  70
  71 /**
  72  * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time
  73  * @priv -- pointer to iwl_priv data structure
  74  * @tsf_bits -- number of bits need to shift for masking)
  75  */
  76 static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv,
  77                                            u16 tsf_bits)
  78 {
  79         return (1 << tsf_bits) - 1;
  80 }
  81
  82 /**
  83  * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time
  84  * @priv -- pointer to iwl_priv data structure
  85  * @tsf_bits -- number of bits need to shift for masking)
  86  */
  87 static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv,
  88                                             u16 tsf_bits)
  89 {
  90         return ((1 << (32 - tsf_bits)) - 1) << tsf_bits;
  91 }
  92
  93 /*
  94  * extended beacon time format
  95  * time in usec will be changed into a 32-bit value in extended:internal format
  96  * the extended part is the beacon counts
  97  * the internal part is the time in usec within one beacon interval
  98  */
  99 static u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec,
 100                                 u32 beacon_interval)
 101 {
 102         u32 quot;
 103         u32 rem;
 104         u32 interval = beacon_interval * TIME_UNIT;
 105
 106         if (!interval || !usec)
 107                 return 0;
 108
 109         quot = (usec / interval) &
 110                 (iwl_beacon_time_mask_high(priv, IWLAGN_EXT_BEACON_TIME_POS) >>
 111                 IWLAGN_EXT_BEACON_TIME_POS);
 112         rem = (usec % interval) & iwl_beacon_time_mask_low(priv,
 113                                    IWLAGN_EXT_BEACON_TIME_POS);
 114
 115         return (quot << IWLAGN_EXT_BEACON_TIME_POS) + rem;
 116 }
 117
 118 /* base is usually what we get from ucode with each received frame,
 119  * the same as HW timer counter counting down
 120  */
 121 static __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
 122                            u32 addon, u32 beacon_interval)
 123 {
 124         u32 base_low = base & iwl_beacon_time_mask_low(priv,
 125                                 IWLAGN_EXT_BEACON_TIME_POS);
 126         u32 addon_low = addon & iwl_beacon_time_mask_low(priv,
 127                                 IWLAGN_EXT_BEACON_TIME_POS);
 128         u32 interval = beacon_interval * TIME_UNIT;
 129         u32 res = (base & iwl_beacon_time_mask_high(priv,
 130                                 IWLAGN_EXT_BEACON_TIME_POS)) +
 131                                 (addon & iwl_beacon_time_mask_high(priv,
 132                                 IWLAGN_EXT_BEACON_TIME_POS));
 133
 134         if (base_low > addon_low)
 135                 res += base_low - addon_low;
 136         else if (base_low < addon_low) {
 137                 res += interval + base_low - addon_low;
 138                 res += (1 << IWLAGN_EXT_BEACON_TIME_POS);
 139         } else
 140                 res += (1 << IWLAGN_EXT_BEACON_TIME_POS);
 141
 142         return cpu_to_le32(res);
 143 }
 144
 145 static const struct iwl_sensitivity_ranges iwl1000_sensitivity = {
 146         .min_nrg_cck = 95,
 147         .auto_corr_min_ofdm = 90,
 148         .auto_corr_min_ofdm_mrc = 170,
 149         .auto_corr_min_ofdm_x1 = 120,
 150         .auto_corr_min_ofdm_mrc_x1 = 240,
 151
 152         .auto_corr_max_ofdm = 120,
 153         .auto_corr_max_ofdm_mrc = 210,
 154         .auto_corr_max_ofdm_x1 = 155,
 155         .auto_corr_max_ofdm_mrc_x1 = 290,
 156
 157         .auto_corr_min_cck = 125,
 158         .auto_corr_max_cck = 200,
 159         .auto_corr_min_cck_mrc = 170,
 160         .auto_corr_max_cck_mrc = 400,
 161         .nrg_th_cck = 95,
 162         .nrg_th_ofdm = 95,
 163
 164         .barker_corr_th_min = 190,
 165         .barker_corr_th_min_mrc = 390,
 166         .nrg_th_cca = 62,
 167 };
 168
 169 static void iwl1000_hw_set_hw_params(struct iwl_priv *priv)
 170 {
 171         iwl1000_set_ct_threshold(priv);
 172
 173         /* Set initial sensitivity parameters */
 174         priv->hw_params.sens = &iwl1000_sensitivity;
 175 }
 176
 177 struct iwl_lib_ops iwl1000_lib = {
 178         .set_hw_params = iwl1000_hw_set_hw_params,
 179         .nic_config = iwl1000_nic_config,
 180         .temperature = iwlagn_temperature,
 181 };
 182
 183
 184 /*
 185  * 2000 series
 186  * ===========
 187  */
 188
 189 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
 190 {
 191         /* want Celsius */
 192         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
 193         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
 194 }
 195
 196 /* NIC configuration for 2000 series */
 197 static void iwl2000_nic_config(struct iwl_priv *priv)
 198 {
 199         iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 200                     CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
 201 }
 202
 203 static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
 204         .min_nrg_cck = 97,
 205         .auto_corr_min_ofdm = 80,
 206         .auto_corr_min_ofdm_mrc = 128,
 207         .auto_corr_min_ofdm_x1 = 105,
 208         .auto_corr_min_ofdm_mrc_x1 = 192,
 209
 210         .auto_corr_max_ofdm = 145,
 211         .auto_corr_max_ofdm_mrc = 232,
 212         .auto_corr_max_ofdm_x1 = 110,
 213         .auto_corr_max_ofdm_mrc_x1 = 232,
 214
 215         .auto_corr_min_cck = 125,
 216         .auto_corr_max_cck = 175,
 217         .auto_corr_min_cck_mrc = 160,
 218         .auto_corr_max_cck_mrc = 310,
 219         .nrg_th_cck = 97,
 220         .nrg_th_ofdm = 100,
 221
 222         .barker_corr_th_min = 190,
 223         .barker_corr_th_min_mrc = 390,
 224         .nrg_th_cca = 62,
 225 };
 226
 227 static void iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 228 {
 229         iwl2000_set_ct_threshold(priv);
 230
 231         /* Set initial sensitivity parameters */
 232         priv->hw_params.sens = &iwl2000_sensitivity;
 233 }
 234
 235 struct iwl_lib_ops iwl2000_lib = {
 236         .set_hw_params = iwl2000_hw_set_hw_params,
 237         .nic_config = iwl2000_nic_config,
 238         .temperature = iwlagn_temperature,
 239 };
 240
 241 struct iwl_lib_ops iwl2030_lib = {
 242         .set_hw_params = iwl2000_hw_set_hw_params,
 243         .nic_config = iwl2000_nic_config,
 244         .temperature = iwlagn_temperature,
 245 };
 246
 247 /*
 248  * 5000 series
 249  * ===========
 250  */
 251
 252 /* NIC configuration for 5000 series */
 253 static const struct iwl_sensitivity_ranges iwl5000_sensitivity = {
 254         .min_nrg_cck = 100,
 255         .auto_corr_min_ofdm = 90,
 256         .auto_corr_min_ofdm_mrc = 170,
 257         .auto_corr_min_ofdm_x1 = 105,
 258         .auto_corr_min_ofdm_mrc_x1 = 220,
 259
 260         .auto_corr_max_ofdm = 120,
 261         .auto_corr_max_ofdm_mrc = 210,
 262         .auto_corr_max_ofdm_x1 = 120,
 263         .auto_corr_max_ofdm_mrc_x1 = 240,
 264
 265         .auto_corr_min_cck = 125,
 266         .auto_corr_max_cck = 200,
 267         .auto_corr_min_cck_mrc = 200,
 268         .auto_corr_max_cck_mrc = 400,
 269         .nrg_th_cck = 100,
 270         .nrg_th_ofdm = 100,
 271
 272         .barker_corr_th_min = 190,
 273         .barker_corr_th_min_mrc = 390,
 274         .nrg_th_cca = 62,
 275 };
 276
 277 static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
 278         .min_nrg_cck = 95,
 279         .auto_corr_min_ofdm = 90,
 280         .auto_corr_min_ofdm_mrc = 170,
 281         .auto_corr_min_ofdm_x1 = 105,
 282         .auto_corr_min_ofdm_mrc_x1 = 220,
 283
 284         .auto_corr_max_ofdm = 120,
 285         .auto_corr_max_ofdm_mrc = 210,
 286         /* max = min for performance bug in 5150 DSP */
 287         .auto_corr_max_ofdm_x1 = 105,
 288         .auto_corr_max_ofdm_mrc_x1 = 220,
 289
 290         .auto_corr_min_cck = 125,
 291         .auto_corr_max_cck = 200,
 292         .auto_corr_min_cck_mrc = 170,
 293         .auto_corr_max_cck_mrc = 400,
 294         .nrg_th_cck = 95,
 295         .nrg_th_ofdm = 95,
 296
 297         .barker_corr_th_min = 190,
 298         .barker_corr_th_min_mrc = 390,
 299         .nrg_th_cca = 62,
 300 };
 301
 302 #define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF   (-5)
 303
 304 static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
 305 {
 306         u16 temperature, voltage;
 307
 308         temperature = le16_to_cpu(priv->nvm_data->kelvin_temperature);
 309         voltage = le16_to_cpu(priv->nvm_data->kelvin_voltage);
 310
 311         /* offset = temp - volt / coeff */
 312         return (s32)(temperature -
 313                         voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
 314 }
 315
 316 static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
 317 {
 318         const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
 319         s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
 320                         iwl_temp_calib_to_offset(priv);
 321
 322         priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
 323 }
 324
 325 static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
 326 {
 327         /* want Celsius */
 328         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
 329 }
 330
 331 static void iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 332 {
 333         iwl5000_set_ct_threshold(priv);
 334
 335         /* Set initial sensitivity parameters */
 336         priv->hw_params.sens = &iwl5000_sensitivity;
 337 }
 338
 339 static void iwl5150_hw_set_hw_params(struct iwl_priv *priv)
 340 {
 341         iwl5150_set_ct_threshold(priv);
 342
 343         /* Set initial sensitivity parameters */
 344         priv->hw_params.sens = &iwl5150_sensitivity;
 345 }
 346
 347 static void iwl5150_temperature(struct iwl_priv *priv)
 348 {
 349         u32 vt = 0;
 350         s32 offset =  iwl_temp_calib_to_offset(priv);
 351
 352         vt = le32_to_cpu(priv->statistics.common.temperature);
 353         vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
 354         /* now vt hold the temperature in Kelvin */
 355         priv->temperature = KELVIN_TO_CELSIUS(vt);
 356         iwl_tt_handler(priv);
 357 }
 358
 359 static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 360                                      struct ieee80211_channel_switch *ch_switch)
 361 {
 362         /*
 363          * MULTI-FIXME
 364          * See iwlagn_mac_channel_switch.
 365          */
 366         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 367         struct iwl5000_channel_switch_cmd cmd;
 368         u32 switch_time_in_usec, ucode_switch_time;
 369         u16 ch;
 370         u32 tsf_low;
 371         u8 switch_count;
 372         u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 373         struct ieee80211_vif *vif = ctx->vif;
 374         struct iwl_host_cmd hcmd = {
 375                 .id = REPLY_CHANNEL_SWITCH,
 376                 .len = { sizeof(cmd), },
 377                 .flags = CMD_SYNC,
 378                 .data = { &cmd, },
 379         };
 380
 381         cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 382         ch = ch_switch->channel->hw_value;
 383         IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
 384                       ctx->active.channel, ch);
 385         cmd.channel = cpu_to_le16(ch);
 386         cmd.rxon_flags = ctx->staging.flags;
 387         cmd.rxon_filter_flags = ctx->staging.filter_flags;
 388         switch_count = ch_switch->count;
 389         tsf_low = ch_switch->timestamp & 0x0ffffffff;
 390         /*
 391          * calculate the ucode channel switch time
 392          * adding TSF as one of the factor for when to switch
 393          */
 394         if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
 395                 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
 396                     beacon_interval)) {
 397                         switch_count -= (priv->ucode_beacon_time -
 398                                 tsf_low) / beacon_interval;
 399                 } else
 400                         switch_count = 0;
 401         }
 402         if (switch_count <= 1)
 403                 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 404         else {
 405                 switch_time_in_usec =
 406                         vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
 407                 ucode_switch_time = iwl_usecs_to_beacons(priv,
 408                                                          switch_time_in_usec,
 409                                                          beacon_interval);
 410                 cmd.switch_time = iwl_add_beacon_time(priv,
 411                                                       priv->ucode_beacon_time,
 412                                                       ucode_switch_time,
 413                                                       beacon_interval);
 414         }
 415         IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
 416                       cmd.switch_time);
 417         cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
 418
 419         return iwl_dvm_send_cmd(priv, &hcmd);
 420 }
 421
 422 struct iwl_lib_ops iwl5000_lib = {
 423         .set_hw_params = iwl5000_hw_set_hw_params,
 424         .set_channel_switch = iwl5000_hw_channel_switch,
 425         .temperature = iwlagn_temperature,
 426 };
 427
 428 struct iwl_lib_ops iwl5150_lib = {
 429         .set_hw_params = iwl5150_hw_set_hw_params,
 430         .set_channel_switch = iwl5000_hw_channel_switch,
 431         .temperature = iwl5150_temperature,
 432 };
 433
 434
 435
 436 /*
 437  * 6000 series
 438  * ===========
 439  */
 440
 441 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
 442 {
 443         /* want Celsius */
 444         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
 445         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
 446 }
 447
 448 /* NIC configuration for 6000 series */
 449 static void iwl6000_nic_config(struct iwl_priv *priv)
 450 {
 451         switch (priv->cfg->device_family) {
 452         case IWL_DEVICE_FAMILY_6005:
 453         case IWL_DEVICE_FAMILY_6030:
 454         case IWL_DEVICE_FAMILY_6000:
 455                 break;
 456         case IWL_DEVICE_FAMILY_6000i:
 457                 /* 2x2 IPA phy type */
 458                 iwl_write32(priv->trans, CSR_GP_DRIVER_REG,
 459                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
 460                 break;
 461         case IWL_DEVICE_FAMILY_6050:
 462                 /* Indicate calibration version to uCode. */
 463                 if (priv->nvm_data->calib_version >= 6)
 464                         iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 465                                         CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
 466                 break;
 467         case IWL_DEVICE_FAMILY_6150:
 468                 /* Indicate calibration version to uCode. */
 469                 if (priv->nvm_data->calib_version >= 6)
 470                         iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 471                                         CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
 472                 iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
 473                             CSR_GP_DRIVER_REG_BIT_6050_1x2);
 474                 break;
 475         default:
 476                 WARN_ON(1);
 477         }
 478 }
 479
 480 static const struct iwl_sensitivity_ranges iwl6000_sensitivity = {
 481         .min_nrg_cck = 110,
 482         .auto_corr_min_ofdm = 80,
 483         .auto_corr_min_ofdm_mrc = 128,
 484         .auto_corr_min_ofdm_x1 = 105,
 485         .auto_corr_min_ofdm_mrc_x1 = 192,
 486
 487         .auto_corr_max_ofdm = 145,
 488         .auto_corr_max_ofdm_mrc = 232,
 489         .auto_corr_max_ofdm_x1 = 110,
 490         .auto_corr_max_ofdm_mrc_x1 = 232,
 491
 492         .auto_corr_min_cck = 125,
 493         .auto_corr_max_cck = 175,
 494         .auto_corr_min_cck_mrc = 160,
 495         .auto_corr_max_cck_mrc = 310,
 496         .nrg_th_cck = 110,
 497         .nrg_th_ofdm = 110,
 498
 499         .barker_corr_th_min = 190,
 500         .barker_corr_th_min_mrc = 336,
 501         .nrg_th_cca = 62,
 502 };
 503
 504 static void iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 505 {
 506         iwl6000_set_ct_threshold(priv);
 507
 508         /* Set initial sensitivity parameters */
 509         priv->hw_params.sens = &iwl6000_sensitivity;
 510
 511 }
 512
 513 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 514                                      struct ieee80211_channel_switch *ch_switch)
 515 {
 516         /*
 517          * MULTI-FIXME
 518          * See iwlagn_mac_channel_switch.
 519          */
 520         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 521         struct iwl6000_channel_switch_cmd *cmd;
 522         u32 switch_time_in_usec, ucode_switch_time;
 523         u16 ch;
 524         u32 tsf_low;
 525         u8 switch_count;
 526         u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 527         struct ieee80211_vif *vif = ctx->vif;
 528         struct iwl_host_cmd hcmd = {
 529                 .id = REPLY_CHANNEL_SWITCH,
 530                 .len = { sizeof(*cmd), },
 531                 .flags = CMD_SYNC,
 532                 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
 533         };
 534         int err;
 535
 536         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 537         if (!cmd)
 538                 return -ENOMEM;
 539
 540         hcmd.data[0] = cmd;
 541
 542         cmd->band = priv->band == IEEE80211_BAND_2GHZ;
 543         ch = ch_switch->channel->hw_value;
 544         IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
 545                       ctx->active.channel, ch);
 546         cmd->channel = cpu_to_le16(ch);
 547         cmd->rxon_flags = ctx->staging.flags;
 548         cmd->rxon_filter_flags = ctx->staging.filter_flags;
 549         switch_count = ch_switch->count;
 550         tsf_low = ch_switch->timestamp & 0x0ffffffff;
 551         /*
 552          * calculate the ucode channel switch time
 553          * adding TSF as one of the factor for when to switch
 554          */
 555         if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
 556                 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
 557                     beacon_interval)) {
 558                         switch_count -= (priv->ucode_beacon_time -
 559                                 tsf_low) / beacon_interval;
 560                 } else
 561                         switch_count = 0;
 562         }
 563         if (switch_count <= 1)
 564                 cmd->switch_time = cpu_to_le32(priv->ucode_beacon_time);
 565         else {
 566                 switch_time_in_usec =
 567                         vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
 568                 ucode_switch_time = iwl_usecs_to_beacons(priv,
 569                                                          switch_time_in_usec,
 570                                                          beacon_interval);
 571                 cmd->switch_time = iwl_add_beacon_time(priv,
 572                                                        priv->ucode_beacon_time,
 573                                                        ucode_switch_time,
 574                                                        beacon_interval);
 575         }
 576         IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
 577                       cmd->switch_time);
 578         cmd->expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
 579
 580         err = iwl_dvm_send_cmd(priv, &hcmd);
 581         kfree(cmd);
 582         return err;
 583 }
 584
 585 struct iwl_lib_ops iwl6000_lib = {
 586         .set_hw_params = iwl6000_hw_set_hw_params,
 587         .set_channel_switch = iwl6000_hw_channel_switch,
 588         .nic_config = iwl6000_nic_config,
 589         .temperature = iwlagn_temperature,
 590 };
 591
 592 struct iwl_lib_ops iwl6030_lib = {
 593         .set_hw_params = iwl6000_hw_set_hw_params,
 594         .set_channel_switch = iwl6000_hw_channel_switch,
 595         .nic_config = iwl6000_nic_config,
 596         .temperature = iwlagn_temperature,
 597 };