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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007-2008 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/version.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-4965.h"
  42 #include "iwl-core.h"
  43 #include "iwl-io.h"
  44 #include "iwl-helpers.h"
  45 #include "iwl-5000-hw.h"
  46
  47 #define IWL5000_UCODE_API  "-1"
  48
  49 static int iwl5000_apm_init(struct iwl_priv *priv)
  50 {
  51         int ret = 0;
  52
  53         iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
  54                     CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
  55
  56         iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
  57
  58         /* set "initialization complete" bit to move adapter
  59          * D0U* --> D0A* state */
  60         iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
  61
  62         /* wait for clock stabilization */
  63         ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
  64                           CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
  65                           CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
  66         if (ret < 0) {
  67                 IWL_DEBUG_INFO("Failed to init the card\n");
  68                 return ret;
  69         }
  70
  71         ret = iwl_grab_nic_access(priv);
  72         if (ret)
  73                 return ret;
  74
  75         /* enable DMA */
  76         iwl_write_prph(priv, APMG_CLK_EN_REG,
  77                         APMG_CLK_VAL_DMA_CLK_RQT);
  78
  79         udelay(20);
  80
  81         iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
  82                         APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
  83
  84         iwl_release_nic_access(priv);
  85
  86         return ret;
  87 }
  88
  89 static struct iwl_hcmd_ops iwl5000_hcmd = {
  90 };
  91
  92 static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
  93 };
  94
  95 static struct iwl_lib_ops iwl5000_lib = {
  96         .apm_ops = {
  97                 .init = iwl5000_apm_init,
  98         },
  99         .eeprom_ops = {
 100                 .verify_signature  = iwlcore_eeprom_verify_signature,
 101                 .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 102                 .release_semaphore = iwlcore_eeprom_release_semaphore,
 103         },
 104 };
 105
 106 static struct iwl_ops iwl5000_ops = {
 107         .lib = &iwl5000_lib,
 108         .hcmd = &iwl5000_hcmd,
 109         .utils = &iwl5000_hcmd_utils,
 110 };
 111
 112 static struct iwl_mod_params iwl50_mod_params = {
 113         .num_of_queues = IWL50_NUM_QUEUES,
 114         .enable_qos = 1,
 115         .amsdu_size_8K = 1,
 116         /* the rest are 0 by default */
 117 };
 118
 119
 120 struct iwl_cfg iwl5300_agn_cfg = {
 121         .name = "5300AGN",
 122         .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
 123         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 124         .ops = &iwl5000_ops,
 125         .mod_params = &iwl50_mod_params,
 126 };
 127
 128 struct iwl_cfg iwl5100_agn_cfg = {
 129         .name = "5100AGN",
 130         .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
 131         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 132         .ops = &iwl5000_ops,
 133         .mod_params = &iwl50_mod_params,
 134 };
 135
 136 struct iwl_cfg iwl5350_agn_cfg = {
 137         .name = "5350AGN",
 138         .fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
 139         .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 140         .ops = &iwl5000_ops,
 141         .mod_params = &iwl50_mod_params,
 142 };
 143
 144 module_param_named(disable50, iwl50_mod_params.disable, int, 0444);
 145 MODULE_PARM_DESC(disable50,
 146                   "manually disable the 50XX radio (default 0 [radio on])");
 147 module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
 148 MODULE_PARM_DESC(swcrypto50,
 149                   "using software crypto engine (default 0 [hardware])\n");
 150 module_param_named(debug50, iwl50_mod_params.debug, int, 0444);
 151 MODULE_PARM_DESC(debug50, "50XX debug output mask");
 152 module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
 153 MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
 154 module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
 155 MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
 156 module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
 157 MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
 158
 159