drivers/net/wireless/iwlwifi/iwl-1000.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 IWL1000_UCODE_API_MAX 3
  50
  51 /* Lowest firmware API version supported */
  52 #define IWL1000_UCODE_API_MIN 1
  53
  54 #define IWL1000_FW_PRE "iwlwifi-1000-"
  55 #define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
  56 #define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
  57
  58
  59 /*
  60  * For 1000, use advance thermal throttling critical temperature threshold,
  61  * but legacy thermal management implementation for now.
  62  * This is for the reason of 1000 uCode using advance thermal throttling API
  63  * but not implement ct_kill_exit based on ct_kill exit temperature
  64  * so the thermal throttling will still based on legacy thermal throttling
  65  * management.
  66  * The code here need to be modified once 1000 uCode has the advanced thermal
  67  * throttling algorithm in place
  68  */
  69 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
  70 {
  71         /* want Celsius */
  72         priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
  73         priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
  74 }
  75
  76 /* NIC configuration for 1000 series */
  77 static void iwl1000_nic_config(struct iwl_priv *priv)
  78 {
  79         /* set CSR_HW_CONFIG_REG for uCode use */
  80         iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
  81                     CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
  82                     CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
  83
  84         /* Setting digital SVR for 1000 card to 1.32V */
  85         /* locking is acquired in iwl_set_bits_mask_prph() function */
  86         iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
  87                                 APMG_SVR_DIGITAL_VOLTAGE_1_32,
  88                                 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
  89 }
  90
  91 static struct iwl_lib_ops iwl1000_lib = {
  92         .set_hw_params = iwl5000_hw_set_hw_params,
  93         .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
  94         .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
  95         .txq_set_sched = iwl5000_txq_set_sched,
  96         .txq_agg_enable = iwl5000_txq_agg_enable,
  97         .txq_agg_disable = iwl5000_txq_agg_disable,
  98         .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
  99         .txq_free_tfd = iwl_hw_txq_free_tfd,
 100         .txq_init = iwl_hw_tx_queue_init,
 101         .rx_handler_setup = iwl5000_rx_handler_setup,
 102         .setup_deferred_work = iwl5000_setup_deferred_work,
 103         .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
 104         .load_ucode = iwl5000_load_ucode,
 105         .dump_nic_event_log = iwl_dump_nic_event_log,
 106         .dump_nic_error_log = iwl_dump_nic_error_log,
 107         .init_alive_start = iwl5000_init_alive_start,
 108         .alive_notify = iwl5000_alive_notify,
 109         .send_tx_power = iwl5000_send_tx_power,
 110         .update_chain_flags = iwl_update_chain_flags,
 111         .apm_ops = {
 112                 .init = iwl5000_apm_init,
 113                 .reset = iwl5000_apm_reset,
 114                 .stop = iwl5000_apm_stop,
 115                 .config = iwl1000_nic_config,
 116                 .set_pwr_src = iwl_set_pwr_src,
 117         },
 118         .eeprom_ops = {
 119                 .regulatory_bands = {
 120                         EEPROM_5000_REG_BAND_1_CHANNELS,
 121                         EEPROM_5000_REG_BAND_2_CHANNELS,
 122                         EEPROM_5000_REG_BAND_3_CHANNELS,
 123                         EEPROM_5000_REG_BAND_4_CHANNELS,
 124                         EEPROM_5000_REG_BAND_5_CHANNELS,
 125                         EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
 126                         EEPROM_5000_REG_BAND_52_HT40_CHANNELS
 127                 },
 128                 .verify_signature  = iwlcore_eeprom_verify_signature,
 129                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 130                 .release_semaphore = iwlcore_eeprom_release_semaphore,
 131                 .calib_version  = iwl5000_eeprom_calib_version,
 132                 .query_addr = iwl5000_eeprom_query_addr,
 133         },
 134         .post_associate = iwl_post_associate,
 135         .isr = iwl_isr_ict,
 136         .config_ap = iwl_config_ap,
 137         .temp_ops = {
 138                 .temperature = iwl5000_temperature,
 139                 .set_ct_kill = iwl1000_set_ct_threshold,
 140          },
 141 };
 142
 143 static struct iwl_ops iwl1000_ops = {
 144         .ucode = &iwl5000_ucode,
 145         .lib = &iwl1000_lib,
 146         .hcmd = &iwl5000_hcmd,
 147         .utils = &iwl5000_hcmd_utils,
 148 };
 149
 150 struct iwl_cfg iwl1000_bgn_cfg = {
 151         .name = "1000 Series BGN",
 152         .fw_name_pre = IWL1000_FW_PRE,
 153         .ucode_api_max = IWL1000_UCODE_API_MAX,
 154         .ucode_api_min = IWL1000_UCODE_API_MIN,
 155         .sku = IWL_SKU_G|IWL_SKU_N,
 156         .ops = &iwl1000_ops,
 157         .eeprom_size = OTP_LOW_IMAGE_SIZE,
 158         .eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 159         .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 160         .mod_params = &iwl50_mod_params,
 161         .valid_tx_ant = ANT_A,
 162         .valid_rx_ant = ANT_AB,
 163         .need_pll_cfg = true,
 164         .max_ll_items = OTP_MAX_LL_ITEMS_1000,
 165         .shadow_ram_support = false,
 166         .ht_greenfield_support = true,
 167 };
 168