drivers/net/wireless/iwlwifi/iwl-6000.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2008-2009 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 Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/pci.h>
  31 #include <linux/dma-mapping.h>
  32 #include <linux/delay.h>
  33 #include <linux/skbuff.h>
  34 #include <linux/netdevice.h>
  35 #include <linux/wireless.h>
  36 #include <net/mac80211.h>
  37 #include <linux/etherdevice.h>
  38 #include <asm/unaligned.h>
  39
  40 #include "iwl-eeprom.h"
  41 #include "iwl-dev.h"
  42 #include "iwl-core.h"
  43 #include "iwl-io.h"
  44 #include "iwl-sta.h"
  45 #include "iwl-helpers.h"
  46 #include "iwl-5000-hw.h"
  47
  48 /* Highest firmware API version supported */
  49 #define IWL6000_UCODE_API_MAX 4
  50 #define IWL6050_UCODE_API_MAX 4
  51
  52 /* Lowest firmware API version supported */
  53 #define IWL6000_UCODE_API_MIN 1
  54 #define IWL6050_UCODE_API_MIN 1
  55
  56 #define IWL6000_FW_PRE "iwlwifi-6000-"
  57 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
  58 #define IWL6000_MODULE_FIRMWARE(api) _IWL6000_MODULE_FIRMWARE(api)
  59
  60 #define IWL6050_FW_PRE "iwlwifi-6050-"
  61 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
  62 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
  63
  64 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
  65 {
  66         /* want Celsius */
  67         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
  68         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  69 }
  70
  71 /* NIC configuration for 6000 series */
  72 static void iwl6000_nic_config(struct iwl_priv *priv)
  73 {
  74         u16 radio_cfg;
  75
  76         radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
  77
  78         /* write radio config values to register */
  79         if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
  80                 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
  81                             EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
  82                             EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
  83                             EEPROM_RF_CFG_DASH_MSK(radio_cfg));
  84
  85         /* set CSR_HW_CONFIG_REG for uCode use */
  86         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
  87                     CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
  88                     CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
  89
  90         /* no locking required for register write */
  91         if (priv->cfg->pa_type == IWL_PA_HYBRID) {
  92                 /* 2x2 hybrid phy type */
  93                 iwl_write32(priv, CSR_GP_DRIVER_REG,
  94                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB);
  95         } else if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
  96                 /* 2x2 IPA phy type */
  97                 iwl_write32(priv, CSR_GP_DRIVER_REG,
  98                              CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
  99         }
 100         /* else do nothing, uCode configured */
 101 }
 102
 103 static struct iwl_lib_ops iwl6000_lib = {
 104         .set_hw_params = iwl5000_hw_set_hw_params,
 105         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
 106         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
 107         .txq_set_sched = iwl5000_txq_set_sched,
 108         .txq_agg_enable = iwl5000_txq_agg_enable,
 109         .txq_agg_disable = iwl5000_txq_agg_disable,
 110         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
 111         .txq_free_tfd = iwl_hw_txq_free_tfd,
 112         .txq_init = iwl_hw_tx_queue_init,
 113         .rx_handler_setup = iwl5000_rx_handler_setup,
 114         .setup_deferred_work = iwl5000_setup_deferred_work,
 115         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
 116         .load_ucode = iwl5000_load_ucode,
 117         .dump_nic_event_log = iwl_dump_nic_event_log,
 118         .dump_nic_error_log = iwl_dump_nic_error_log,
 119         .init_alive_start = iwl5000_init_alive_start,
 120         .alive_notify = iwl5000_alive_notify,
 121         .send_tx_power = iwl5000_send_tx_power,
 122         .update_chain_flags = iwl_update_chain_flags,
 123         .apm_ops = {
 124                 .init = iwl5000_apm_init,
 125                 .reset = iwl5000_apm_reset,
 126                 .stop = iwl5000_apm_stop,
 127                 .config = iwl6000_nic_config,
 128                 .set_pwr_src = iwl_set_pwr_src,
 129         },
 130         .eeprom_ops = {
 131                 .regulatory_bands = {
 132                         EEPROM_5000_REG_BAND_1_CHANNELS,
 133                         EEPROM_5000_REG_BAND_2_CHANNELS,
 134                         EEPROM_5000_REG_BAND_3_CHANNELS,
 135                         EEPROM_5000_REG_BAND_4_CHANNELS,
 136                         EEPROM_5000_REG_BAND_5_CHANNELS,
 137                         EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
 138                         EEPROM_5000_REG_BAND_52_HT40_CHANNELS
 139                 },
 140                 .verify_signature  = iwlcore_eeprom_verify_signature,
 141                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 142                 .release_semaphore = iwlcore_eeprom_release_semaphore,
 143                 .calib_version  = iwl5000_eeprom_calib_version,
 144                 .query_addr = iwl5000_eeprom_query_addr,
 145                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
 146         },
 147         .post_associate = iwl_post_associate,
 148         .isr = iwl_isr_ict,
 149         .config_ap = iwl_config_ap,
 150         .temp_ops = {
 151                 .temperature = iwl5000_temperature,
 152                 .set_ct_kill = iwl6000_set_ct_threshold,
 153          },
 154 };
 155
 156 static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
 157         .get_hcmd_size = iwl5000_get_hcmd_size,
 158         .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
 159         .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
 160         .calc_rssi = iwl5000_calc_rssi,
 161 };
 162
 163 static struct iwl_ops iwl6000_ops = {
 164         .ucode = &iwl5000_ucode,
 165         .lib = &iwl6000_lib,
 166         .hcmd = &iwl5000_hcmd,
 167         .utils = &iwl6000_hcmd_utils,
 168 };
 169
 170
 171 /*
 172  * "h": Hybrid configuration, use both internal and external Power Amplifier
 173  */
 174 struct iwl_cfg iwl6000h_2agn_cfg = {
 175         .name = "6000 Series 2x2 AGN",
 176         .fw_name_pre = IWL6000_FW_PRE,
 177         .ucode_api_max = IWL6000_UCODE_API_MAX,
 178         .ucode_api_min = IWL6000_UCODE_API_MIN,
 179         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 180         .ops = &iwl6000_ops,
 181         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 182         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 183         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 184         .mod_params = &iwl50_mod_params,
 185         .valid_tx_ant = ANT_AB,
 186         .valid_rx_ant = ANT_AB,
 187         .need_pll_cfg = false,
 188         .pa_type = IWL_PA_HYBRID,
 189         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 190         .shadow_ram_support = true,
 191         .ht_greenfield_support = true,
 192 };
 193
 194 /*
 195  * "i": Internal configuration, use internal Power Amplifier
 196  */
 197 struct iwl_cfg iwl6000i_2agn_cfg = {
 198         .name = "6000 Series 2x2 AGN",
 199         .fw_name_pre = IWL6000_FW_PRE,
 200         .ucode_api_max = IWL6000_UCODE_API_MAX,
 201         .ucode_api_min = IWL6000_UCODE_API_MIN,
 202         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 203         .ops = &iwl6000_ops,
 204         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 205         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 206         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 207         .mod_params = &iwl50_mod_params,
 208         .valid_tx_ant = ANT_BC,
 209         .valid_rx_ant = ANT_BC,
 210         .need_pll_cfg = false,
 211         .pa_type = IWL_PA_INTERNAL,
 212         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 213         .shadow_ram_support = true,
 214         .ht_greenfield_support = true,
 215 };
 216
 217 struct iwl_cfg iwl6050_2agn_cfg = {
 218         .name = "6050 Series 2x2 AGN",
 219         .fw_name_pre = IWL6050_FW_PRE,
 220         .ucode_api_max = IWL6050_UCODE_API_MAX,
 221         .ucode_api_min = IWL6050_UCODE_API_MIN,
 222         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 223         .ops = &iwl6000_ops,
 224         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 225         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 226         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 227         .mod_params = &iwl50_mod_params,
 228         .valid_tx_ant = ANT_AB,
 229         .valid_rx_ant = ANT_AB,
 230         .need_pll_cfg = false,
 231         .pa_type = IWL_PA_SYSTEM,
 232         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 233         .shadow_ram_support = true,
 234         .ht_greenfield_support = true,
 235 };
 236
 237 struct iwl_cfg iwl6000_3agn_cfg = {
 238         .name = "6000 Series 3x3 AGN",
 239         .fw_name_pre = IWL6000_FW_PRE,
 240         .ucode_api_max = IWL6000_UCODE_API_MAX,
 241         .ucode_api_min = IWL6000_UCODE_API_MIN,
 242         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 243         .ops = &iwl6000_ops,
 244         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 245         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 246         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 247         .mod_params = &iwl50_mod_params,
 248         .valid_tx_ant = ANT_ABC,
 249         .valid_rx_ant = ANT_ABC,
 250         .need_pll_cfg = false,
 251         .pa_type = IWL_PA_SYSTEM,
 252         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 253         .shadow_ram_support = true,
 254         .ht_greenfield_support = true,
 255 };
 256
 257 struct iwl_cfg iwl6050_3agn_cfg = {
 258         .name = "6050 Series 3x3 AGN",
 259         .fw_name_pre = IWL6050_FW_PRE,
 260         .ucode_api_max = IWL6050_UCODE_API_MAX,
 261         .ucode_api_min = IWL6050_UCODE_API_MIN,
 262         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 263         .ops = &iwl6000_ops,
 264         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 265         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 266         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 267         .mod_params = &iwl50_mod_params,
 268         .valid_tx_ant = ANT_ABC,
 269         .valid_rx_ant = ANT_ABC,
 270         .need_pll_cfg = false,
 271         .pa_type = IWL_PA_SYSTEM,
 272         .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 273         .shadow_ram_support = true,
 274         .ht_greenfield_support = true,
 275 };
 276
 277 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
 278 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));