drivers/net/wireless/iwlwifi/iwl-5000.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2009 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 Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  23  *
  24  *****************************************************************************/
  25
  26 #include <linux/kernel.h>
  27 #include <linux/module.h>
  28 #include <linux/init.h>
  29 #include <linux/pci.h>
  30 #include <linux/dma-mapping.h>
  31 #include <linux/delay.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/netdevice.h>
  34 #include <linux/wireless.h>
  35 #include <net/mac80211.h>
  36 #include <linux/etherdevice.h>
  37 #include <asm/unaligned.h>
  38
  39 #include "iwl-eeprom.h"
  40 #include "iwl-dev.h"
  41 #include "iwl-core.h"
  42 #include "iwl-io.h"
  43 #include "iwl-sta.h"
  44 #include "iwl-helpers.h"
  45 #include "iwl-5000-hw.h"
  46 #include "iwl-6000-hw.h"
  47
  48 /* Highest firmware API version supported */
  49 #define IWL5000_UCODE_API_MAX 1
  50 #define IWL5150_UCODE_API_MAX 2
  51
  52 /* Lowest firmware API version supported */
  53 #define IWL5000_UCODE_API_MIN 1
  54 #define IWL5150_UCODE_API_MIN 1
  55
  56 #define IWL5000_FW_PRE "iwlwifi-5000-"
  57 #define _IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode"
  58 #define IWL5000_MODULE_FIRMWARE(api) _IWL5000_MODULE_FIRMWARE(api)
  59
  60 #define IWL5150_FW_PRE "iwlwifi-5150-"
  61 #define _IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode"
  62 #define IWL5150_MODULE_FIRMWARE(api) _IWL5150_MODULE_FIRMWARE(api)
  63
  64 static const u16 iwl5000_default_queue_to_tx_fifo[] = {
  65         IWL_TX_FIFO_AC3,
  66         IWL_TX_FIFO_AC2,
  67         IWL_TX_FIFO_AC1,
  68         IWL_TX_FIFO_AC0,
  69         IWL50_CMD_FIFO_NUM,
  70         IWL_TX_FIFO_HCCA_1,
  71         IWL_TX_FIFO_HCCA_2
  72 };
  73
  74 /* FIXME: same implementation as 4965 */
  75 static int iwl5000_apm_stop_master(struct iwl_priv *priv)
  76 {
  77         unsigned long flags;
  78
  79         spin_lock_irqsave(&priv->lock, flags);
  80
  81         /* set stop master bit */
  82         iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
  83
  84         iwl_poll_direct_bit(priv, CSR_RESET,
  85                                   CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
  86
  87         spin_unlock_irqrestore(&priv->lock, flags);
  88         IWL_DEBUG_INFO(priv, "stop master\n");
  89
  90         return 0;
  91 }
  92
  93
  94 static int iwl5000_apm_init(struct iwl_priv *priv)
  95 {
  96         int ret = 0;
  97
  98         iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
  99                     CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
 100
 101         /* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
 102         iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
 103                     CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
 104
 105         /* Set FH wait threshold to maximum (HW error during stress W/A) */
 106         iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
 107
 108         /* enable HAP INTA to move device L1a -> L0s */
 109         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
 110                     CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
 111
 112         if (priv->cfg->need_pll_cfg)
 113                 iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
 114
 115         /* set "initialization complete" bit to move adapter
 116          * D0U* --> D0A* state */
 117         iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 118
 119         /* wait for clock stabilization */
 120         ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
 121                         CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 122         if (ret < 0) {
 123                 IWL_DEBUG_INFO(priv, "Failed to init the card\n");
 124                 return ret;
 125         }
 126
 127         ret = iwl_grab_nic_access(priv);
 128         if (ret)
 129                 return ret;
 130
 131         /* enable DMA */
 132         iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
 133
 134         udelay(20);
 135
 136         /* disable L1-Active */
 137         iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
 138                           APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 139
 140         iwl_release_nic_access(priv);
 141
 142         return ret;
 143 }
 144
 145 /* FIXME: this is identical to 4965 */
 146 static void iwl5000_apm_stop(struct iwl_priv *priv)
 147 {
 148         unsigned long flags;
 149
 150         iwl5000_apm_stop_master(priv);
 151
 152         spin_lock_irqsave(&priv->lock, flags);
 153
 154         iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 155
 156         udelay(10);
 157
 158         /* clear "init complete"  move adapter D0A* --> D0U state */
 159         iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 160
 161         spin_unlock_irqrestore(&priv->lock, flags);
 162 }
 163
 164
 165 static int iwl5000_apm_reset(struct iwl_priv *priv)
 166 {
 167         int ret = 0;
 168         unsigned long flags;
 169
 170         iwl5000_apm_stop_master(priv);
 171
 172         spin_lock_irqsave(&priv->lock, flags);
 173
 174         iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 175
 176         udelay(10);
 177
 178
 179         /* FIXME: put here L1A -L0S w/a */
 180
 181         if (priv->cfg->need_pll_cfg)
 182                 iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
 183
 184         /* set "initialization complete" bit to move adapter
 185          * D0U* --> D0A* state */
 186         iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 187
 188         /* wait for clock stabilization */
 189         ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
 190                         CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 191         if (ret < 0) {
 192                 IWL_DEBUG_INFO(priv, "Failed to init the card\n");
 193                 goto out;
 194         }
 195
 196         ret = iwl_grab_nic_access(priv);
 197         if (ret)
 198                 goto out;
 199
 200         /* enable DMA */
 201         iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
 202
 203         udelay(20);
 204
 205         /* disable L1-Active */
 206         iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
 207                           APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 208
 209         iwl_release_nic_access(priv);
 210
 211 out:
 212         spin_unlock_irqrestore(&priv->lock, flags);
 213
 214         return ret;
 215 }
 216
 217
 218 static void iwl5000_nic_config(struct iwl_priv *priv)
 219 {
 220         unsigned long flags;
 221         u16 radio_cfg;
 222         u16 lctl;
 223
 224         spin_lock_irqsave(&priv->lock, flags);
 225
 226         lctl = iwl_pcie_link_ctl(priv);
 227
 228         /* HW bug W/A */
 229         /* L1-ASPM is enabled by BIOS */
 230         if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
 231                 /* L1-APSM enabled: disable L0S  */
 232                 iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
 233         else
 234                 /* L1-ASPM disabled: enable L0S */
 235                 iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
 236
 237         radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 238
 239         /* write radio config values to register */
 240         if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX)
 241                 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
 242                             EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
 243                             EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
 244                             EEPROM_RF_CFG_DASH_MSK(radio_cfg));
 245
 246         /* set CSR_HW_CONFIG_REG for uCode use */
 247         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
 248                     CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
 249                     CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
 250
 251         /* W/A : NIC is stuck in a reset state after Early PCIe power off
 252          * (PCIe power is lost before PERST# is asserted),
 253          * causing ME FW to lose ownership and not being able to obtain it back.
 254          */
 255         iwl_grab_nic_access(priv);
 256         iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
 257                                 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
 258                                 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
 259         iwl_release_nic_access(priv);
 260
 261         spin_unlock_irqrestore(&priv->lock, flags);
 262 }
 263
 264
 265
 266 /*
 267  * EEPROM
 268  */
 269 static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address)
 270 {
 271         u16 offset = 0;
 272
 273         if ((address & INDIRECT_ADDRESS) == 0)
 274                 return address;
 275
 276         switch (address & INDIRECT_TYPE_MSK) {
 277         case INDIRECT_HOST:
 278                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_HOST);
 279                 break;
 280         case INDIRECT_GENERAL:
 281                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_GENERAL);
 282                 break;
 283         case INDIRECT_REGULATORY:
 284                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_REGULATORY);
 285                 break;
 286         case INDIRECT_CALIBRATION:
 287                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_CALIBRATION);
 288                 break;
 289         case INDIRECT_PROCESS_ADJST:
 290                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_PROCESS_ADJST);
 291                 break;
 292         case INDIRECT_OTHERS:
 293                 offset = iwl_eeprom_query16(priv, EEPROM_5000_LINK_OTHERS);
 294                 break;
 295         default:
 296                 IWL_ERR(priv, "illegal indirect type: 0x%X\n",
 297                 address & INDIRECT_TYPE_MSK);
 298                 break;
 299         }
 300
 301         /* translate the offset from words to byte */
 302         return (address & ADDRESS_MSK) + (offset << 1);
 303 }
 304
 305 static u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
 306 {
 307         struct iwl_eeprom_calib_hdr {
 308                 u8 version;
 309                 u8 pa_type;
 310                 u16 voltage;
 311         } *hdr;
 312
 313         hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
 314                                                         EEPROM_5000_CALIB_ALL);
 315         return hdr->version;
 316
 317 }
 318
 319 static void iwl5000_gain_computation(struct iwl_priv *priv,
 320                 u32 average_noise[NUM_RX_CHAINS],
 321                 u16 min_average_noise_antenna_i,
 322                 u32 min_average_noise)
 323 {
 324         int i;
 325         s32 delta_g;
 326         struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 327
 328         /* Find Gain Code for the antennas B and C */
 329         for (i = 1; i < NUM_RX_CHAINS; i++) {
 330                 if ((data->disconn_array[i])) {
 331                         data->delta_gain_code[i] = 0;
 332                         continue;
 333                 }
 334                 delta_g = (1000 * ((s32)average_noise[0] -
 335                         (s32)average_noise[i])) / 1500;
 336                 /* bound gain by 2 bits value max, 3rd bit is sign */
 337                 data->delta_gain_code[i] =
 338                         min(abs(delta_g), CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
 339
 340                 if (delta_g < 0)
 341                         /* set negative sign */
 342                         data->delta_gain_code[i] |= (1 << 2);
 343         }
 344
 345         IWL_DEBUG_CALIB(priv, "Delta gains: ANT_B = %d  ANT_C = %d\n",
 346                         data->delta_gain_code[1], data->delta_gain_code[2]);
 347
 348         if (!data->radio_write) {
 349                 struct iwl_calib_chain_noise_gain_cmd cmd;
 350
 351                 memset(&cmd, 0, sizeof(cmd));
 352
 353                 cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
 354                 cmd.hdr.first_group = 0;
 355                 cmd.hdr.groups_num = 1;
 356                 cmd.hdr.data_valid = 1;
 357                 cmd.delta_gain_1 = data->delta_gain_code[1];
 358                 cmd.delta_gain_2 = data->delta_gain_code[2];
 359                 iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
 360                         sizeof(cmd), &cmd, NULL);
 361
 362                 data->radio_write = 1;
 363                 data->state = IWL_CHAIN_NOISE_CALIBRATED;
 364         }
 365
 366         data->chain_noise_a = 0;
 367         data->chain_noise_b = 0;
 368         data->chain_noise_c = 0;
 369         data->chain_signal_a = 0;
 370         data->chain_signal_b = 0;
 371         data->chain_signal_c = 0;
 372         data->beacon_count = 0;
 373 }
 374
 375 static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
 376 {
 377         struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 378         int ret;
 379
 380         if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
 381                 struct iwl_calib_chain_noise_reset_cmd cmd;
 382                 memset(&cmd, 0, sizeof(cmd));
 383
 384                 cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
 385                 cmd.hdr.first_group = 0;
 386                 cmd.hdr.groups_num = 1;
 387                 cmd.hdr.data_valid = 1;
 388                 ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
 389                                         sizeof(cmd), &cmd);
 390                 if (ret)
 391                         IWL_ERR(priv,
 392                                 "Could not send REPLY_PHY_CALIBRATION_CMD\n");
 393                 data->state = IWL_CHAIN_NOISE_ACCUMULATE;
 394                 IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
 395         }
 396 }
 397
 398 void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
 399                         __le32 *tx_flags)
 400 {
 401         if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
 402             (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
 403                 *tx_flags |= TX_CMD_FLG_RTS_CTS_MSK;
 404         else
 405                 *tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK;
 406 }
 407
 408 static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
 409         .min_nrg_cck = 95,
 410         .max_nrg_cck = 0,
 411         .auto_corr_min_ofdm = 90,
 412         .auto_corr_min_ofdm_mrc = 170,
 413         .auto_corr_min_ofdm_x1 = 120,
 414         .auto_corr_min_ofdm_mrc_x1 = 240,
 415
 416         .auto_corr_max_ofdm = 120,
 417         .auto_corr_max_ofdm_mrc = 210,
 418         .auto_corr_max_ofdm_x1 = 155,
 419         .auto_corr_max_ofdm_mrc_x1 = 290,
 420
 421         .auto_corr_min_cck = 125,
 422         .auto_corr_max_cck = 200,
 423         .auto_corr_min_cck_mrc = 170,
 424         .auto_corr_max_cck_mrc = 400,
 425         .nrg_th_cck = 95,
 426         .nrg_th_ofdm = 95,
 427 };
 428
 429 static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
 430                                            size_t offset)
 431 {
 432         u32 address = eeprom_indirect_address(priv, offset);
 433         BUG_ON(address >= priv->cfg->eeprom_size);
 434         return &priv->eeprom[address];
 435 }
 436
 437 static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
 438 {
 439         const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
 440         s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD) -
 441                         iwl_temp_calib_to_offset(priv);
 442
 443         priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
 444 }
 445
 446 static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
 447 {
 448         /* want Celsius */
 449         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
 450 }
 451
 452 /*
 453  *  Calibration
 454  */
 455 static int iwl5000_set_Xtal_calib(struct iwl_priv *priv)
 456 {
 457         struct iwl_calib_xtal_freq_cmd cmd;
 458         u16 *xtal_calib = (u16 *)iwl_eeprom_query_addr(priv, EEPROM_5000_XTAL);
 459
 460         cmd.hdr.op_code = IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD;
 461         cmd.hdr.first_group = 0;
 462         cmd.hdr.groups_num = 1;
 463         cmd.hdr.data_valid = 1;
 464         cmd.cap_pin1 = (u8)xtal_calib[0];
 465         cmd.cap_pin2 = (u8)xtal_calib[1];
 466         return iwl_calib_set(&priv->calib_results[IWL_CALIB_XTAL],
 467                              (u8 *)&cmd, sizeof(cmd));
 468 }
 469
 470 static int iwl5000_send_calib_cfg(struct iwl_priv *priv)
 471 {
 472         struct iwl_calib_cfg_cmd calib_cfg_cmd;
 473         struct iwl_host_cmd cmd = {
 474                 .id = CALIBRATION_CFG_CMD,
 475                 .len = sizeof(struct iwl_calib_cfg_cmd),
 476                 .data = &calib_cfg_cmd,
 477         };
 478
 479         memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
 480         calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
 481         calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
 482         calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
 483         calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_INIT_CFG_ALL;
 484
 485         return iwl_send_cmd(priv, &cmd);
 486 }
 487
 488 static void iwl5000_rx_calib_result(struct iwl_priv *priv,
 489                              struct iwl_rx_mem_buffer *rxb)
 490 {
 491         struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
 492         struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
 493         int len = le32_to_cpu(pkt->len) & FH_RSCSR_FRAME_SIZE_MSK;
 494         int index;
 495
 496         /* reduce the size of the length field itself */
 497         len -= 4;
 498
 499         /* Define the order in which the results will be sent to the runtime
 500          * uCode. iwl_send_calib_results sends them in a row according to their
 501          * index. We sort them here */
 502         switch (hdr->op_code) {
 503         case IWL_PHY_CALIBRATE_DC_CMD:
 504                 index = IWL_CALIB_DC;
 505                 break;
 506         case IWL_PHY_CALIBRATE_LO_CMD:
 507                 index = IWL_CALIB_LO;
 508                 break;
 509         case IWL_PHY_CALIBRATE_TX_IQ_CMD:
 510                 index = IWL_CALIB_TX_IQ;
 511                 break;
 512         case IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD:
 513                 index = IWL_CALIB_TX_IQ_PERD;
 514                 break;
 515         case IWL_PHY_CALIBRATE_BASE_BAND_CMD:
 516                 index = IWL_CALIB_BASE_BAND;
 517                 break;
 518         default:
 519                 IWL_ERR(priv, "Unknown calibration notification %d\n",
 520                           hdr->op_code);
 521                 return;
 522         }
 523         iwl_calib_set(&priv->calib_results[index], pkt->u.raw, len);
 524 }
 525
 526 static void iwl5000_rx_calib_complete(struct iwl_priv *priv,
 527                                struct iwl_rx_mem_buffer *rxb)
 528 {
 529         IWL_DEBUG_INFO(priv, "Init. calibration is completed, restarting fw.\n");
 530         queue_work(priv->workqueue, &priv->restart);
 531 }
 532
 533 /*
 534  * ucode
 535  */
 536 static int iwl5000_load_section(struct iwl_priv *priv,
 537                                 struct fw_desc *image,
 538                                 u32 dst_addr)
 539 {
 540         int ret = 0;
 541         unsigned long flags;
 542
 543         dma_addr_t phy_addr = image->p_addr;
 544         u32 byte_cnt = image->len;
 545
 546         spin_lock_irqsave(&priv->lock, flags);
 547         ret = iwl_grab_nic_access(priv);
 548         if (ret) {
 549                 spin_unlock_irqrestore(&priv->lock, flags);
 550                 return ret;
 551         }
 552
 553         iwl_write_direct32(priv,
 554                 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
 555                 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
 556
 557         iwl_write_direct32(priv,
 558                 FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
 559
 560         iwl_write_direct32(priv,
 561                 FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
 562                 phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
 563
 564         iwl_write_direct32(priv,
 565                 FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
 566                 (iwl_get_dma_hi_addr(phy_addr)
 567                         << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
 568
 569         iwl_write_direct32(priv,
 570                 FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
 571                 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
 572                 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
 573                 FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
 574
 575         iwl_write_direct32(priv,
 576                 FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
 577                 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE       |
 578                 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE    |
 579                 FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
 580
 581         iwl_release_nic_access(priv);
 582         spin_unlock_irqrestore(&priv->lock, flags);
 583         return 0;
 584 }
 585
 586 static int iwl5000_load_given_ucode(struct iwl_priv *priv,
 587                 struct fw_desc *inst_image,
 588                 struct fw_desc *data_image)
 589 {
 590         int ret = 0;
 591
 592         ret = iwl5000_load_section(priv, inst_image,
 593                                    IWL50_RTC_INST_LOWER_BOUND);
 594         if (ret)
 595                 return ret;
 596
 597         IWL_DEBUG_INFO(priv, "INST uCode section being loaded...\n");
 598         ret = wait_event_interruptible_timeout(priv->wait_command_queue,
 599                                         priv->ucode_write_complete, 5 * HZ);
 600         if (ret == -ERESTARTSYS) {
 601                 IWL_ERR(priv, "Could not load the INST uCode section due "
 602                         "to interrupt\n");
 603                 return ret;
 604         }
 605         if (!ret) {
 606                 IWL_ERR(priv, "Could not load the INST uCode section\n");
 607                 return -ETIMEDOUT;
 608         }
 609
 610         priv->ucode_write_complete = 0;
 611
 612         ret = iwl5000_load_section(
 613                 priv, data_image, IWL50_RTC_DATA_LOWER_BOUND);
 614         if (ret)
 615                 return ret;
 616
 617         IWL_DEBUG_INFO(priv, "DATA uCode section being loaded...\n");
 618
 619         ret = wait_event_interruptible_timeout(priv->wait_command_queue,
 620                                 priv->ucode_write_complete, 5 * HZ);
 621         if (ret == -ERESTARTSYS) {
 622                 IWL_ERR(priv, "Could not load the INST uCode section due "
 623                         "to interrupt\n");
 624                 return ret;
 625         } else if (!ret) {
 626                 IWL_ERR(priv, "Could not load the DATA uCode section\n");
 627                 return -ETIMEDOUT;
 628         } else
 629                 ret = 0;
 630
 631         priv->ucode_write_complete = 0;
 632
 633         return ret;
 634 }
 635
 636 static int iwl5000_load_ucode(struct iwl_priv *priv)
 637 {
 638         int ret = 0;
 639
 640         /* check whether init ucode should be loaded, or rather runtime ucode */
 641         if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
 642                 IWL_DEBUG_INFO(priv, "Init ucode found. Loading init ucode...\n");
 643                 ret = iwl5000_load_given_ucode(priv,
 644                         &priv->ucode_init, &priv->ucode_init_data);
 645                 if (!ret) {
 646                         IWL_DEBUG_INFO(priv, "Init ucode load complete.\n");
 647                         priv->ucode_type = UCODE_INIT;
 648                 }
 649         } else {
 650                 IWL_DEBUG_INFO(priv, "Init ucode not found, or already loaded. "
 651                         "Loading runtime ucode...\n");
 652                 ret = iwl5000_load_given_ucode(priv,
 653                         &priv->ucode_code, &priv->ucode_data);
 654                 if (!ret) {
 655                         IWL_DEBUG_INFO(priv, "Runtime ucode load complete.\n");
 656                         priv->ucode_type = UCODE_RT;
 657                 }
 658         }
 659
 660         return ret;
 661 }
 662
 663 static void iwl5000_init_alive_start(struct iwl_priv *priv)
 664 {
 665         int ret = 0;
 666
 667         /* Check alive response for "valid" sign from uCode */
 668         if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
 669                 /* We had an error bringing up the hardware, so take it
 670                  * all the way back down so we can try again */
 671                 IWL_DEBUG_INFO(priv, "Initialize Alive failed.\n");
 672                 goto restart;
 673         }
 674
 675         /* initialize uCode was loaded... verify inst image.
 676          * This is a paranoid check, because we would not have gotten the
 677          * "initialize" alive if code weren't properly loaded.  */
 678         if (iwl_verify_ucode(priv)) {
 679                 /* Runtime instruction load was bad;
 680                  * take it all the way back down so we can try again */
 681                 IWL_DEBUG_INFO(priv, "Bad \"initialize\" uCode load.\n");
 682                 goto restart;
 683         }
 684
 685         priv->cfg->ops->smgmt->clear_station_table(priv);
 686         ret = priv->cfg->ops->lib->alive_notify(priv);
 687         if (ret) {
 688                 IWL_WARN(priv,
 689                         "Could not complete ALIVE transition: %d\n", ret);
 690                 goto restart;
 691         }
 692
 693         iwl5000_send_calib_cfg(priv);
 694         return;
 695
 696 restart:
 697         /* real restart (first load init_ucode) */
 698         queue_work(priv->workqueue, &priv->restart);
 699 }
 700
 701 static void iwl5000_set_wr_ptrs(struct iwl_priv *priv,
 702                                 int txq_id, u32 index)
 703 {
 704         iwl_write_direct32(priv, HBUS_TARG_WRPTR,
 705                         (index & 0xff) | (txq_id << 8));
 706         iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(txq_id), index);
 707 }
 708
 709 static void iwl5000_tx_queue_set_status(struct iwl_priv *priv,
 710                                         struct iwl_tx_queue *txq,
 711                                         int tx_fifo_id, int scd_retry)
 712 {
 713         int txq_id = txq->q.id;
 714         int active = test_bit(txq_id, &priv->txq_ctx_active_msk) ? 1 : 0;
 715
 716         iwl_write_prph(priv, IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
 717                         (active << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
 718                         (tx_fifo_id << IWL50_SCD_QUEUE_STTS_REG_POS_TXF) |
 719                         (1 << IWL50_SCD_QUEUE_STTS_REG_POS_WSL) |
 720                         IWL50_SCD_QUEUE_STTS_REG_MSK);
 721
 722         txq->sched_retry = scd_retry;
 723
 724         IWL_DEBUG_INFO(priv, "%s %s Queue %d on AC %d\n",
 725                        active ? "Activate" : "Deactivate",
 726                        scd_retry ? "BA" : "AC", txq_id, tx_fifo_id);
 727 }
 728
 729 static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
 730 {
 731         struct iwl_wimax_coex_cmd coex_cmd;
 732
 733         memset(&coex_cmd, 0, sizeof(coex_cmd));
 734
 735         return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
 736                                 sizeof(coex_cmd), &coex_cmd);
 737 }
 738
 739 static int iwl5000_alive_notify(struct iwl_priv *priv)
 740 {
 741         u32 a;
 742         unsigned long flags;
 743         int ret;
 744         int i, chan;
 745         u32 reg_val;
 746
 747         spin_lock_irqsave(&priv->lock, flags);
 748
 749         ret = iwl_grab_nic_access(priv);
 750         if (ret) {
 751                 spin_unlock_irqrestore(&priv->lock, flags);
 752                 return ret;
 753         }
 754
 755         priv->scd_base_addr = iwl_read_prph(priv, IWL50_SCD_SRAM_BASE_ADDR);
 756         a = priv->scd_base_addr + IWL50_SCD_CONTEXT_DATA_OFFSET;
 757         for (; a < priv->scd_base_addr + IWL50_SCD_TX_STTS_BITMAP_OFFSET;
 758                 a += 4)
 759                 iwl_write_targ_mem(priv, a, 0);
 760         for (; a < priv->scd_base_addr + IWL50_SCD_TRANSLATE_TBL_OFFSET;
 761                 a += 4)
 762                 iwl_write_targ_mem(priv, a, 0);
 763         for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
 764                 iwl_write_targ_mem(priv, a, 0);
 765
 766         iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR,
 767                        priv->scd_bc_tbls.dma >> 10);
 768
 769         /* Enable DMA channel */
 770         for (chan = 0; chan < FH50_TCSR_CHNL_NUM ; chan++)
 771                 iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
 772                                 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
 773                                 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
 774
 775         /* Update FH chicken bits */
 776         reg_val = iwl_read_direct32(priv, FH_TX_CHICKEN_BITS_REG);
 777         iwl_write_direct32(priv, FH_TX_CHICKEN_BITS_REG,
 778                            reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
 779
 780         iwl_write_prph(priv, IWL50_SCD_QUEUECHAIN_SEL,
 781                 IWL50_SCD_QUEUECHAIN_SEL_ALL(priv->hw_params.max_txq_num));
 782         iwl_write_prph(priv, IWL50_SCD_AGGR_SEL, 0);
 783
 784         /* initiate the queues */
 785         for (i = 0; i < priv->hw_params.max_txq_num; i++) {
 786                 iwl_write_prph(priv, IWL50_SCD_QUEUE_RDPTR(i), 0);
 787                 iwl_write_direct32(priv, HBUS_TARG_WRPTR, 0 | (i << 8));
 788                 iwl_write_targ_mem(priv, priv->scd_base_addr +
 789                                 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i), 0);
 790                 iwl_write_targ_mem(priv, priv->scd_base_addr +
 791                                 IWL50_SCD_CONTEXT_QUEUE_OFFSET(i) +
 792                                 sizeof(u32),
 793                                 ((SCD_WIN_SIZE <<
 794                                 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
 795                                 IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
 796                                 ((SCD_FRAME_LIMIT <<
 797                                 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
 798                                 IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
 799         }
 800
 801         iwl_write_prph(priv, IWL50_SCD_INTERRUPT_MASK,
 802                         IWL_MASK(0, priv->hw_params.max_txq_num));
 803
 804         /* Activate all Tx DMA/FIFO channels */
 805         priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
 806
 807         iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
 808
 809         /* map qos queues to fifos one-to-one */
 810         for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) {
 811                 int ac = iwl5000_default_queue_to_tx_fifo[i];
 812                 iwl_txq_ctx_activate(priv, i);
 813                 iwl5000_tx_queue_set_status(priv, &priv->txq[i], ac, 0);
 814         }
 815         /* TODO - need to initialize those FIFOs inside the loop above,
 816          * not only mark them as active */
 817         iwl_txq_ctx_activate(priv, 4);
 818         iwl_txq_ctx_activate(priv, 7);
 819         iwl_txq_ctx_activate(priv, 8);
 820         iwl_txq_ctx_activate(priv, 9);
 821
 822         iwl_release_nic_access(priv);
 823         spin_unlock_irqrestore(&priv->lock, flags);
 824
 825
 826         iwl5000_send_wimax_coex(priv);
 827
 828         iwl5000_set_Xtal_calib(priv);
 829         iwl_send_calib_results(priv);
 830
 831         return 0;
 832 }
 833
 834 static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 835 {
 836         if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
 837             (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
 838                 IWL_ERR(priv,
 839                         "invalid queues_num, should be between %d and %d\n",
 840                         IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
 841                 return -EINVAL;
 842         }
 843
 844         priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
 845         priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 846         priv->hw_params.scd_bc_tbls_size =
 847                         IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
 848         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 849         priv->hw_params.max_stations = IWL5000_STATION_COUNT;
 850         priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
 851
 852         switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
 853         case CSR_HW_REV_TYPE_6x00:
 854         case CSR_HW_REV_TYPE_6x50:
 855                 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
 856                 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
 857                 break;
 858         default:
 859                 priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
 860                 priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
 861         }
 862
 863         priv->hw_params.max_bsm_size = 0;
 864         priv->hw_params.fat_channel =  BIT(IEEE80211_BAND_2GHZ) |
 865                                         BIT(IEEE80211_BAND_5GHZ);
 866         priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 867
 868         priv->hw_params.sens = &iwl5000_sensitivity;
 869
 870         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 871         priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
 872         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
 873         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
 874
 875         if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
 876                 priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
 877
 878         /* Set initial calibration set */
 879         switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
 880         case CSR_HW_REV_TYPE_5150:
 881                 priv->hw_params.calib_init_cfg =
 882                         BIT(IWL_CALIB_DC)               |
 883                         BIT(IWL_CALIB_LO)               |
 884                         BIT(IWL_CALIB_TX_IQ)            |
 885                         BIT(IWL_CALIB_BASE_BAND);
 886
 887                 break;
 888         default:
 889                 priv->hw_params.calib_init_cfg =
 890                         BIT(IWL_CALIB_XTAL)             |
 891                         BIT(IWL_CALIB_LO)               |
 892                         BIT(IWL_CALIB_TX_IQ)            |
 893                         BIT(IWL_CALIB_TX_IQ_PERD)       |
 894                         BIT(IWL_CALIB_BASE_BAND);
 895                 break;
 896         }
 897
 898         return 0;
 899 }
 900
 901 /**
 902  * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
 903  */
 904 static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
 905                                             struct iwl_tx_queue *txq,
 906                                             u16 byte_cnt)
 907 {
 908         struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
 909         int write_ptr = txq->q.write_ptr;
 910         int txq_id = txq->q.id;
 911         u8 sec_ctl = 0;
 912         u8 sta_id = 0;
 913         u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
 914         __le16 bc_ent;
 915
 916         WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
 917
 918         if (txq_id != IWL_CMD_QUEUE_NUM) {
 919                 sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
 920                 sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
 921
 922                 switch (sec_ctl & TX_CMD_SEC_MSK) {
 923                 case TX_CMD_SEC_CCM:
 924                         len += CCMP_MIC_LEN;
 925                         break;
 926                 case TX_CMD_SEC_TKIP:
 927                         len += TKIP_ICV_LEN;
 928                         break;
 929                 case TX_CMD_SEC_WEP:
 930                         len += WEP_IV_LEN + WEP_ICV_LEN;
 931                         break;
 932                 }
 933         }
 934
 935         bc_ent = cpu_to_le16((len & 0xFFF) | (sta_id << 12));
 936
 937         scd_bc_tbl[txq_id].tfd_offset[write_ptr] = bc_ent;
 938
 939         if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
 940                 scd_bc_tbl[txq_id].
 941                         tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent;
 942 }
 943
 944 static void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
 945                                            struct iwl_tx_queue *txq)
 946 {
 947         struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr;
 948         int txq_id = txq->q.id;
 949         int read_ptr = txq->q.read_ptr;
 950         u8 sta_id = 0;
 951         __le16 bc_ent;
 952
 953         WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
 954
 955         if (txq_id != IWL_CMD_QUEUE_NUM)
 956                 sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id;
 957
 958         bc_ent =  cpu_to_le16(1 | (sta_id << 12));
 959         scd_bc_tbl[txq_id].tfd_offset[read_ptr] = bc_ent;
 960
 961         if (txq->q.write_ptr < TFD_QUEUE_SIZE_BC_DUP)
 962                 scd_bc_tbl[txq_id].
 963                         tfd_offset[TFD_QUEUE_SIZE_MAX + read_ptr] =  bc_ent;
 964 }
 965
 966 static int iwl5000_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
 967                                         u16 txq_id)
 968 {
 969         u32 tbl_dw_addr;
 970         u32 tbl_dw;
 971         u16 scd_q2ratid;
 972
 973         scd_q2ratid = ra_tid & IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK;
 974
 975         tbl_dw_addr = priv->scd_base_addr +
 976                         IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
 977
 978         tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr);
 979
 980         if (txq_id & 0x1)
 981                 tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF);
 982         else
 983                 tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000);
 984
 985         iwl_write_targ_mem(priv, tbl_dw_addr, tbl_dw);
 986
 987         return 0;
 988 }
 989 static void iwl5000_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id)
 990 {
 991         /* Simply stop the queue, but don't change any configuration;
 992          * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
 993         iwl_write_prph(priv,
 994                 IWL50_SCD_QUEUE_STATUS_BITS(txq_id),
 995                 (0 << IWL50_SCD_QUEUE_STTS_REG_POS_ACTIVE)|
 996                 (1 << IWL50_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
 997 }
 998
 999 static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
1000                                   int tx_fifo, int sta_id, int tid, u16 ssn_idx)
1001 {
1002         unsigned long flags;
1003         int ret;
1004         u16 ra_tid;
1005
1006         if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
1007             (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
1008                 IWL_WARN(priv,
1009                         "queue number out of range: %d, must be %d to %d\n",
1010                         txq_id, IWL50_FIRST_AMPDU_QUEUE,
1011                         IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
1012                 return -EINVAL;
1013         }
1014
1015         ra_tid = BUILD_RAxTID(sta_id, tid);
1016
1017         /* Modify device's station table to Tx this TID */
1018         iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
1019
1020         spin_lock_irqsave(&priv->lock, flags);
1021         ret = iwl_grab_nic_access(priv);
1022         if (ret) {
1023                 spin_unlock_irqrestore(&priv->lock, flags);
1024                 return ret;
1025         }
1026
1027         /* Stop this Tx queue before configuring it */
1028         iwl5000_tx_queue_stop_scheduler(priv, txq_id);
1029
1030         /* Map receiver-address / traffic-ID to this queue */
1031         iwl5000_tx_queue_set_q2ratid(priv, ra_tid, txq_id);
1032
1033         /* Set this queue as a chain-building queue */
1034         iwl_set_bits_prph(priv, IWL50_SCD_QUEUECHAIN_SEL, (1<<txq_id));
1035
1036         /* enable aggregations for the queue */
1037         iwl_set_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1<<txq_id));
1038
1039         /* Place first TFD at index corresponding to start sequence number.
1040          * Assumes that ssn_idx is valid (!= 0xFFF) */
1041         priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
1042         priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
1043         iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1044
1045         /* Set up Tx window size and frame limit for this queue */
1046         iwl_write_targ_mem(priv, priv->scd_base_addr +
1047                         IWL50_SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
1048                         sizeof(u32),
1049                         ((SCD_WIN_SIZE <<
1050                         IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
1051                         IWL50_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
1052                         ((SCD_FRAME_LIMIT <<
1053                         IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
1054                         IWL50_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
1055
1056         iwl_set_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1057
1058         /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
1059         iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 1);
1060
1061         iwl_release_nic_access(priv);
1062         spin_unlock_irqrestore(&priv->lock, flags);
1063
1064         return 0;
1065 }
1066
1067 static int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
1068                                    u16 ssn_idx, u8 tx_fifo)
1069 {
1070         int ret;
1071
1072         if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
1073             (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
1074                 IWL_ERR(priv,
1075                         "queue number out of range: %d, must be %d to %d\n",
1076                         txq_id, IWL50_FIRST_AMPDU_QUEUE,
1077                         IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
1078                 return -EINVAL;
1079         }
1080
1081         ret = iwl_grab_nic_access(priv);
1082         if (ret)
1083                 return ret;
1084
1085         iwl5000_tx_queue_stop_scheduler(priv, txq_id);
1086
1087         iwl_clear_bits_prph(priv, IWL50_SCD_AGGR_SEL, (1 << txq_id));
1088
1089         priv->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
1090         priv->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
1091         /* supposes that ssn_idx is valid (!= 0xFFF) */
1092         iwl5000_set_wr_ptrs(priv, txq_id, ssn_idx);
1093
1094         iwl_clear_bits_prph(priv, IWL50_SCD_INTERRUPT_MASK, (1 << txq_id));
1095         iwl_txq_ctx_deactivate(priv, txq_id);
1096         iwl5000_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0);
1097
1098         iwl_release_nic_access(priv);
1099
1100         return 0;
1101 }
1102
1103 u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
1104 {
1105         u16 size = (u16)sizeof(struct iwl_addsta_cmd);
1106         memcpy(data, cmd, size);
1107         return size;
1108 }
1109
1110
1111 /*
1112  * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
1113  * must be called under priv->lock and mac access
1114  */
1115 static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask)
1116 {
1117         iwl_write_prph(priv, IWL50_SCD_TXFACT, mask);
1118 }
1119
1120
1121 static inline u32 iwl5000_get_scd_ssn(struct iwl5000_tx_resp *tx_resp)
1122 {
1123         return le32_to_cpup((__le32 *)&tx_resp->status +
1124                             tx_resp->frame_count) & MAX_SN;
1125 }
1126
1127 static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
1128                                       struct iwl_ht_agg *agg,
1129                                       struct iwl5000_tx_resp *tx_resp,
1130                                       int txq_id, u16 start_idx)
1131 {
1132         u16 status;
1133         struct agg_tx_status *frame_status = &tx_resp->status;
1134         struct ieee80211_tx_info *info = NULL;
1135         struct ieee80211_hdr *hdr = NULL;
1136         u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
1137         int i, sh, idx;
1138         u16 seq;
1139
1140         if (agg->wait_for_ba)
1141                 IWL_DEBUG_TX_REPLY(priv, "got tx response w/o block-ack\n");
1142
1143         agg->frame_count = tx_resp->frame_count;
1144         agg->start_idx = start_idx;
1145         agg->rate_n_flags = rate_n_flags;
1146         agg->bitmap = 0;
1147
1148         /* # frames attempted by Tx command */
1149         if (agg->frame_count == 1) {
1150                 /* Only one frame was attempted; no block-ack will arrive */
1151                 status = le16_to_cpu(frame_status[0].status);
1152                 idx = start_idx;
1153
1154                 /* FIXME: code repetition */
1155                 IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, StartIdx=%d idx=%d\n",
1156                                    agg->frame_count, agg->start_idx, idx);
1157
1158                 info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
1159                 info->status.rates[0].count = tx_resp->failure_frame + 1;
1160                 info->flags &= ~IEEE80211_TX_CTL_AMPDU;
1161                 info->flags |= iwl_is_tx_success(status) ?
1162                                         IEEE80211_TX_STAT_ACK : 0;
1163                 iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
1164
1165                 /* FIXME: code repetition end */
1166
1167                 IWL_DEBUG_TX_REPLY(priv, "1 Frame 0x%x failure :%d\n",
1168                                     status & 0xff, tx_resp->failure_frame);
1169                 IWL_DEBUG_TX_REPLY(priv, "Rate Info rate_n_flags=%x\n", rate_n_flags);
1170
1171                 agg->wait_for_ba = 0;
1172         } else {
1173                 /* Two or more frames were attempted; expect block-ack */
1174                 u64 bitmap = 0;
1175                 int start = agg->start_idx;
1176
1177                 /* Construct bit-map of pending frames within Tx window */
1178                 for (i = 0; i < agg->frame_count; i++) {
1179                         u16 sc;
1180                         status = le16_to_cpu(frame_status[i].status);
1181                         seq  = le16_to_cpu(frame_status[i].sequence);
1182                         idx = SEQ_TO_INDEX(seq);
1183                         txq_id = SEQ_TO_QUEUE(seq);
1184
1185                         if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
1186                                       AGG_TX_STATE_ABORT_MSK))
1187                                 continue;
1188
1189                         IWL_DEBUG_TX_REPLY(priv, "FrameCnt = %d, txq_id=%d idx=%d\n",
1190                                            agg->frame_count, txq_id, idx);
1191
1192                         hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
1193
1194                         sc = le16_to_cpu(hdr->seq_ctrl);
1195                         if (idx != (SEQ_TO_SN(sc) & 0xff)) {
1196                                 IWL_ERR(priv,
1197                                         "BUG_ON idx doesn't match seq control"
1198                                         " idx=%d, seq_idx=%d, seq=%d\n",
1199                                           idx, SEQ_TO_SN(sc),
1200                                           hdr->seq_ctrl);
1201                                 return -1;
1202                         }
1203
1204                         IWL_DEBUG_TX_REPLY(priv, "AGG Frame i=%d idx %d seq=%d\n",
1205                                            i, idx, SEQ_TO_SN(sc));
1206
1207                         sh = idx - start;
1208                         if (sh > 64) {
1209                                 sh = (start - idx) + 0xff;
1210                                 bitmap = bitmap << sh;
1211                                 sh = 0;
1212                                 start = idx;
1213                         } else if (sh < -64)
1214                                 sh  = 0xff - (start - idx);
1215                         else if (sh < 0) {
1216                                 sh = start - idx;
1217                                 start = idx;
1218                                 bitmap = bitmap << sh;
1219                                 sh = 0;
1220                         }
1221                         bitmap |= 1ULL << sh;
1222                         IWL_DEBUG_TX_REPLY(priv, "start=%d bitmap=0x%llx\n",
1223                                            start, (unsigned long long)bitmap);
1224                 }
1225
1226                 agg->bitmap = bitmap;
1227                 agg->start_idx = start;
1228                 IWL_DEBUG_TX_REPLY(priv, "Frames %d start_idx=%d bitmap=0x%llx\n",
1229                                    agg->frame_count, agg->start_idx,
1230                                    (unsigned long long)agg->bitmap);
1231
1232                 if (bitmap)
1233                         agg->wait_for_ba = 1;
1234         }
1235         return 0;
1236 }
1237
1238 static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
1239                                 struct iwl_rx_mem_buffer *rxb)
1240 {
1241         struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
1242         u16 sequence = le16_to_cpu(pkt->hdr.sequence);
1243         int txq_id = SEQ_TO_QUEUE(sequence);
1244         int index = SEQ_TO_INDEX(sequence);
1245         struct iwl_tx_queue *txq = &priv->txq[txq_id];
1246         struct ieee80211_tx_info *info;
1247         struct iwl5000_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
1248         u32  status = le16_to_cpu(tx_resp->status.status);
1249         int tid;
1250         int sta_id;
1251         int freed;
1252
1253         if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
1254                 IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d "
1255                           "is out of range [0-%d] %d %d\n", txq_id,
1256                           index, txq->q.n_bd, txq->q.write_ptr,
1257                           txq->q.read_ptr);
1258                 return;
1259         }
1260
1261         info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
1262         memset(&info->status, 0, sizeof(info->status));
1263
1264         tid = (tx_resp->ra_tid & IWL50_TX_RES_TID_MSK) >> IWL50_TX_RES_TID_POS;
1265         sta_id = (tx_resp->ra_tid & IWL50_TX_RES_RA_MSK) >> IWL50_TX_RES_RA_POS;
1266
1267         if (txq->sched_retry) {
1268                 const u32 scd_ssn = iwl5000_get_scd_ssn(tx_resp);
1269                 struct iwl_ht_agg *agg = NULL;
1270
1271                 agg = &priv->stations[sta_id].tid[tid].agg;
1272
1273                 iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
1274
1275                 /* check if BAR is needed */
1276                 if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
1277                         info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
1278
1279                 if (txq->q.read_ptr != (scd_ssn & 0xff)) {
1280                         index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
1281                         IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim "
1282                                         "scd_ssn=%d idx=%d txq=%d swq=%d\n",
1283                                         scd_ssn , index, txq_id, txq->swq_id);
1284
1285                         freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1286                         priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1287
1288                         if (priv->mac80211_registered &&
1289                             (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
1290                             (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
1291                                 if (agg->state == IWL_AGG_OFF)
1292                                         iwl_wake_queue(priv, txq_id);
1293                                 else
1294                                         iwl_wake_queue(priv, txq->swq_id);
1295                         }
1296                 }
1297         } else {
1298                 BUG_ON(txq_id != txq->swq_id);
1299
1300                 info->status.rates[0].count = tx_resp->failure_frame + 1;
1301                 info->flags |= iwl_is_tx_success(status) ?
1302                                         IEEE80211_TX_STAT_ACK : 0;
1303                 iwl_hwrate_to_tx_control(priv,
1304                                         le32_to_cpu(tx_resp->rate_n_flags),
1305                                         info);
1306
1307                 IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) rate_n_flags "
1308                                    "0x%x retries %d\n",
1309                                    txq_id,
1310                                    iwl_get_tx_fail_reason(status), status,
1311                                    le32_to_cpu(tx_resp->rate_n_flags),
1312                                    tx_resp->failure_frame);
1313
1314                 freed = iwl_tx_queue_reclaim(priv, txq_id, index);
1315                 if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1316                         priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
1317
1318                 if (priv->mac80211_registered &&
1319                     (iwl_queue_space(&txq->q) > txq->q.low_mark))
1320                         iwl_wake_queue(priv, txq_id);
1321         }
1322
1323         if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
1324                 iwl_txq_check_empty(priv, sta_id, tid, txq_id);
1325
1326         if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
1327                 IWL_ERR(priv, "TODO:  Implement Tx ABORT REQUIRED!!!\n");
1328 }
1329
1330 /* Currently 5000 is the superset of everything */
1331 u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
1332 {
1333         return len;
1334 }
1335
1336 static void iwl5000_setup_deferred_work(struct iwl_priv *priv)
1337 {
1338         /* in 5000 the tx power calibration is done in uCode */
1339         priv->disable_tx_power_cal = 1;
1340 }
1341
1342 static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
1343 {
1344         /* init calibration handlers */
1345         priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
1346                                         iwl5000_rx_calib_result;
1347         priv->rx_handlers[CALIBRATION_COMPLETE_NOTIFICATION] =
1348                                         iwl5000_rx_calib_complete;
1349         priv->rx_handlers[REPLY_TX] = iwl5000_rx_reply_tx;
1350 }
1351
1352
1353 static int iwl5000_hw_valid_rtc_data_addr(u32 addr)
1354 {
1355         return (addr >= IWL50_RTC_DATA_LOWER_BOUND) &&
1356                 (addr < IWL50_RTC_DATA_UPPER_BOUND);
1357 }
1358
1359 static int iwl5000_send_rxon_assoc(struct iwl_priv *priv)
1360 {
1361         int ret = 0;
1362         struct iwl5000_rxon_assoc_cmd rxon_assoc;
1363         const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
1364         const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
1365
1366         if ((rxon1->flags == rxon2->flags) &&
1367             (rxon1->filter_flags == rxon2->filter_flags) &&
1368             (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
1369             (rxon1->ofdm_ht_single_stream_basic_rates ==
1370              rxon2->ofdm_ht_single_stream_basic_rates) &&
1371             (rxon1->ofdm_ht_dual_stream_basic_rates ==
1372              rxon2->ofdm_ht_dual_stream_basic_rates) &&
1373             (rxon1->ofdm_ht_triple_stream_basic_rates ==
1374              rxon2->ofdm_ht_triple_stream_basic_rates) &&
1375             (rxon1->acquisition_data == rxon2->acquisition_data) &&
1376             (rxon1->rx_chain == rxon2->rx_chain) &&
1377             (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
1378                 IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC.  Not resending.\n");
1379                 return 0;
1380         }
1381
1382         rxon_assoc.flags = priv->staging_rxon.flags;
1383         rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
1384         rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
1385         rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
1386         rxon_assoc.reserved1 = 0;
1387         rxon_assoc.reserved2 = 0;
1388         rxon_assoc.reserved3 = 0;
1389         rxon_assoc.ofdm_ht_single_stream_basic_rates =
1390             priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
1391         rxon_assoc.ofdm_ht_dual_stream_basic_rates =
1392             priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
1393         rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
1394         rxon_assoc.ofdm_ht_triple_stream_basic_rates =
1395                  priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
1396         rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
1397
1398         ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
1399                                      sizeof(rxon_assoc), &rxon_assoc, NULL);
1400         if (ret)
1401                 return ret;
1402
1403         return ret;
1404 }
1405 static int  iwl5000_send_tx_power(struct iwl_priv *priv)
1406 {
1407         struct iwl5000_tx_power_dbm_cmd tx_power_cmd;
1408         u8 tx_ant_cfg_cmd;
1409
1410         /* half dBm need to multiply */
1411         tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
1412         tx_power_cmd.flags = IWL50_TX_POWER_NO_CLOSED;
1413         tx_power_cmd.srv_chan_lmt = IWL50_TX_POWER_AUTO;
1414
1415         if (IWL_UCODE_API(priv->ucode_ver) == 1)
1416                 tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1;
1417         else
1418                 tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;
1419
1420         return  iwl_send_cmd_pdu_async(priv, tx_ant_cfg_cmd,
1421                                        sizeof(tx_power_cmd), &tx_power_cmd,
1422                                        NULL);
1423 }
1424
1425 static void iwl5000_temperature(struct iwl_priv *priv)
1426 {
1427         /* store temperature from statistics (in Celsius) */
1428         priv->temperature = le32_to_cpu(priv->statistics.general.temperature);
1429 }
1430
1431 static void iwl5150_temperature(struct iwl_priv *priv)
1432 {
1433         u32 vt = 0;
1434         s32 offset =  iwl_temp_calib_to_offset(priv);
1435
1436         vt = le32_to_cpu(priv->statistics.general.temperature);
1437         vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
1438         /* now vt hold the temperature in Kelvin */
1439         priv->temperature = KELVIN_TO_CELSIUS(vt);
1440 }
1441
1442 /* Calc max signal level (dBm) among 3 possible receivers */
1443 int iwl5000_calc_rssi(struct iwl_priv *priv,
1444                              struct iwl_rx_phy_res *rx_resp)
1445 {
1446         /* data from PHY/DSP regarding signal strength, etc.,
1447          *   contents are always there, not configurable by host
1448          */
1449         struct iwl5000_non_cfg_phy *ncphy =
1450                 (struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
1451         u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
1452         u8 agc;
1453
1454         val  = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
1455         agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
1456
1457         /* Find max rssi among 3 possible receivers.
1458          * These values are measured by the digital signal processor (DSP).
1459          * They should stay fairly constant even as the signal strength varies,
1460          *   if the radio's automatic gain control (AGC) is working right.
1461          * AGC value (see below) will provide the "interesting" info.
1462          */
1463         val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
1464         rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
1465         rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
1466         val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
1467         rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
1468
1469         max_rssi = max_t(u32, rssi_a, rssi_b);
1470         max_rssi = max_t(u32, max_rssi, rssi_c);
1471
1472         IWL_DEBUG_STATS(priv, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
1473                 rssi_a, rssi_b, rssi_c, max_rssi, agc);
1474
1475         /* dBm = max_rssi dB - agc dB - constant.
1476          * Higher AGC (higher radio gain) means lower signal. */
1477         return max_rssi - agc - IWL49_RSSI_OFFSET;
1478 }
1479
1480 struct iwl_station_mgmt_ops iwl5000_station_mgmt = {
1481         .add_station = iwl_add_station_flags,
1482         .remove_station = iwl_remove_station,
1483         .find_station = iwl_find_station,
1484         .clear_station_table = iwl_clear_stations_table,
1485 };
1486
1487 struct iwl_hcmd_ops iwl5000_hcmd = {
1488         .rxon_assoc = iwl5000_send_rxon_assoc,
1489         .commit_rxon = iwl_commit_rxon,
1490         .set_rxon_chain = iwl_set_rxon_chain,
1491 };
1492
1493 struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
1494         .get_hcmd_size = iwl5000_get_hcmd_size,
1495         .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
1496         .gain_computation = iwl5000_gain_computation,
1497         .chain_noise_reset = iwl5000_chain_noise_reset,
1498         .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
1499         .calc_rssi = iwl5000_calc_rssi,
1500 };
1501
1502 struct iwl_lib_ops iwl5000_lib = {
1503         .set_hw_params = iwl5000_hw_set_hw_params,
1504         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
1505         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
1506         .txq_set_sched = iwl5000_txq_set_sched,
1507         .txq_agg_enable = iwl5000_txq_agg_enable,
1508         .txq_agg_disable = iwl5000_txq_agg_disable,
1509         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
1510         .txq_free_tfd = iwl_hw_txq_free_tfd,
1511         .txq_init = iwl_hw_tx_queue_init,
1512         .rx_handler_setup = iwl5000_rx_handler_setup,
1513         .setup_deferred_work = iwl5000_setup_deferred_work,
1514         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
1515         .load_ucode = iwl5000_load_ucode,
1516         .init_alive_start = iwl5000_init_alive_start,
1517         .alive_notify = iwl5000_alive_notify,
1518         .send_tx_power = iwl5000_send_tx_power,
1519         .update_chain_flags = iwl_update_chain_flags,
1520         .apm_ops = {
1521                 .init = iwl5000_apm_init,
1522                 .reset = iwl5000_apm_reset,
1523                 .stop = iwl5000_apm_stop,
1524                 .config = iwl5000_nic_config,
1525                 .set_pwr_src = iwl_set_pwr_src,
1526         },
1527         .eeprom_ops = {
1528                 .regulatory_bands = {
1529                         EEPROM_5000_REG_BAND_1_CHANNELS,
1530                         EEPROM_5000_REG_BAND_2_CHANNELS,
1531                         EEPROM_5000_REG_BAND_3_CHANNELS,
1532                         EEPROM_5000_REG_BAND_4_CHANNELS,
1533                         EEPROM_5000_REG_BAND_5_CHANNELS,
1534                         EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
1535                         EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1536                 },
1537                 .verify_signature  = iwlcore_eeprom_verify_signature,
1538                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
1539                 .release_semaphore = iwlcore_eeprom_release_semaphore,
1540                 .calib_version  = iwl5000_eeprom_calib_version,
1541                 .query_addr = iwl5000_eeprom_query_addr,
1542         },
1543         .post_associate = iwl_post_associate,
1544         .config_ap = iwl_config_ap,
1545         .temp_ops = {
1546                 .temperature = iwl5000_temperature,
1547                 .set_ct_kill = iwl5000_set_ct_threshold,
1548          },
1549 };
1550
1551 static struct iwl_lib_ops iwl5150_lib = {
1552         .set_hw_params = iwl5000_hw_set_hw_params,
1553         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
1554         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
1555         .txq_set_sched = iwl5000_txq_set_sched,
1556         .txq_agg_enable = iwl5000_txq_agg_enable,
1557         .txq_agg_disable = iwl5000_txq_agg_disable,
1558         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
1559         .txq_free_tfd = iwl_hw_txq_free_tfd,
1560         .txq_init = iwl_hw_tx_queue_init,
1561         .rx_handler_setup = iwl5000_rx_handler_setup,
1562         .setup_deferred_work = iwl5000_setup_deferred_work,
1563         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
1564         .load_ucode = iwl5000_load_ucode,
1565         .init_alive_start = iwl5000_init_alive_start,
1566         .alive_notify = iwl5000_alive_notify,
1567         .send_tx_power = iwl5000_send_tx_power,
1568         .update_chain_flags = iwl_update_chain_flags,
1569         .apm_ops = {
1570                 .init = iwl5000_apm_init,
1571                 .reset = iwl5000_apm_reset,
1572                 .stop = iwl5000_apm_stop,
1573                 .config = iwl5000_nic_config,
1574                 .set_pwr_src = iwl_set_pwr_src,
1575         },
1576         .eeprom_ops = {
1577                 .regulatory_bands = {
1578                         EEPROM_5000_REG_BAND_1_CHANNELS,
1579                         EEPROM_5000_REG_BAND_2_CHANNELS,
1580                         EEPROM_5000_REG_BAND_3_CHANNELS,
1581                         EEPROM_5000_REG_BAND_4_CHANNELS,
1582                         EEPROM_5000_REG_BAND_5_CHANNELS,
1583                         EEPROM_5000_REG_BAND_24_FAT_CHANNELS,
1584                         EEPROM_5000_REG_BAND_52_FAT_CHANNELS
1585                 },
1586                 .verify_signature  = iwlcore_eeprom_verify_signature,
1587                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
1588                 .release_semaphore = iwlcore_eeprom_release_semaphore,
1589                 .calib_version  = iwl5000_eeprom_calib_version,
1590                 .query_addr = iwl5000_eeprom_query_addr,
1591         },
1592         .post_associate = iwl_post_associate,
1593         .config_ap = iwl_config_ap,
1594         .temp_ops = {
1595                 .temperature = iwl5150_temperature,
1596                 .set_ct_kill = iwl5150_set_ct_threshold,
1597          },
1598 };
1599
1600 struct iwl_ops iwl5000_ops = {
1601         .lib = &iwl5000_lib,
1602         .hcmd = &iwl5000_hcmd,
1603         .utils = &iwl5000_hcmd_utils,
1604         .smgmt = &iwl5000_station_mgmt,
1605 };
1606
1607 static struct iwl_ops iwl5150_ops = {
1608         .lib = &iwl5150_lib,
1609         .hcmd = &iwl5000_hcmd,
1610         .utils = &iwl5000_hcmd_utils,
1611         .smgmt = &iwl5000_station_mgmt,
1612 };
1613
1614 struct iwl_mod_params iwl50_mod_params = {
1615         .num_of_queues = IWL50_NUM_QUEUES,
1616         .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
1617         .amsdu_size_8K = 1,
1618         .restart_fw = 1,
1619         /* the rest are 0 by default */
1620 };
1621
1622
1623 struct iwl_cfg iwl5300_agn_cfg = {
1624         .name = "5300AGN",
1625         .fw_name_pre = IWL5000_FW_PRE,
1626         .ucode_api_max = IWL5000_UCODE_API_MAX,
1627         .ucode_api_min = IWL5000_UCODE_API_MIN,
1628         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1629         .ops = &iwl5000_ops,
1630         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1631         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1632         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1633         .mod_params = &iwl50_mod_params,
1634         .valid_tx_ant = ANT_ABC,
1635         .valid_rx_ant = ANT_ABC,
1636         .need_pll_cfg = true,
1637 };
1638
1639 struct iwl_cfg iwl5100_bg_cfg = {
1640         .name = "5100BG",
1641         .fw_name_pre = IWL5000_FW_PRE,
1642         .ucode_api_max = IWL5000_UCODE_API_MAX,
1643         .ucode_api_min = IWL5000_UCODE_API_MIN,
1644         .sku = IWL_SKU_G,
1645         .ops = &iwl5000_ops,
1646         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1647         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1648         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1649         .mod_params = &iwl50_mod_params,
1650         .valid_tx_ant = ANT_B,
1651         .valid_rx_ant = ANT_AB,
1652         .need_pll_cfg = true,
1653 };
1654
1655 struct iwl_cfg iwl5100_abg_cfg = {
1656         .name = "5100ABG",
1657         .fw_name_pre = IWL5000_FW_PRE,
1658         .ucode_api_max = IWL5000_UCODE_API_MAX,
1659         .ucode_api_min = IWL5000_UCODE_API_MIN,
1660         .sku = IWL_SKU_A|IWL_SKU_G,
1661         .ops = &iwl5000_ops,
1662         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1663         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1664         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1665         .mod_params = &iwl50_mod_params,
1666         .valid_tx_ant = ANT_B,
1667         .valid_rx_ant = ANT_AB,
1668         .need_pll_cfg = true,
1669 };
1670
1671 struct iwl_cfg iwl5100_agn_cfg = {
1672         .name = "5100AGN",
1673         .fw_name_pre = IWL5000_FW_PRE,
1674         .ucode_api_max = IWL5000_UCODE_API_MAX,
1675         .ucode_api_min = IWL5000_UCODE_API_MIN,
1676         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1677         .ops = &iwl5000_ops,
1678         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1679         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
1680         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
1681         .mod_params = &iwl50_mod_params,
1682         .valid_tx_ant = ANT_B,
1683         .valid_rx_ant = ANT_AB,
1684         .need_pll_cfg = true,
1685 };
1686
1687 struct iwl_cfg iwl5350_agn_cfg = {
1688         .name = "5350AGN",
1689         .fw_name_pre = IWL5000_FW_PRE,
1690         .ucode_api_max = IWL5000_UCODE_API_MAX,
1691         .ucode_api_min = IWL5000_UCODE_API_MIN,
1692         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1693         .ops = &iwl5000_ops,
1694         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1695         .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
1696         .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
1697         .mod_params = &iwl50_mod_params,
1698         .valid_tx_ant = ANT_ABC,
1699         .valid_rx_ant = ANT_ABC,
1700         .need_pll_cfg = true,
1701 };
1702
1703 struct iwl_cfg iwl5150_agn_cfg = {
1704         .name = "5150AGN",
1705         .fw_name_pre = IWL5150_FW_PRE,
1706         .ucode_api_max = IWL5150_UCODE_API_MAX,
1707         .ucode_api_min = IWL5150_UCODE_API_MIN,
1708         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
1709         .ops = &iwl5150_ops,
1710         .eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
1711         .eeprom_ver = EEPROM_5050_EEPROM_VERSION,
1712         .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
1713         .mod_params = &iwl50_mod_params,
1714         .valid_tx_ant = ANT_A,
1715         .valid_rx_ant = ANT_AB,
1716         .need_pll_cfg = true,
1717 };
1718
1719 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
1720 MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
1721
1722 module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
1723 MODULE_PARM_DESC(swcrypto50,
1724                   "using software crypto engine (default 0 [hardware])\n");
1725 module_param_named(debug50, iwl50_mod_params.debug, uint, 0444);
1726 MODULE_PARM_DESC(debug50, "50XX debug output mask");
1727 module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
1728 MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
1729 module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);
1730 MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality");
1731 module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
1732 MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
1733 module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444);
1734 MODULE_PARM_DESC(fw_restart50, "restart firmware in case of error");