drivers/net/wireless/iwlwifi/iwl-shared.h

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   4  * redistributing this file, you may do so under either license.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
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  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
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  17  * General Public License for more details.
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  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called LICENSE.GPL.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <ilw@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  31  * BSD LICENSE
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  62  *****************************************************************************/
  63 #ifndef __iwl_shared_h__
  64 #define __iwl_shared_h__
  65
  66 /*This files includes all the types / functions that are exported by the
  67  * upper layer to the bus and transport layer */
  68
  69 struct iwl_cfg;
  70 struct iwl_bus;
  71 struct iwl_priv;
  72 struct iwl_sensitivity_ranges;
  73 struct iwl_trans_ops;
  74
  75 extern struct iwl_mod_params iwlagn_mod_params;
  76
  77 struct iwl_mod_params {
  78         int sw_crypto;          /* def: 0 = using hardware encryption */
  79         int num_of_queues;      /* def: HW dependent */
  80         int disable_11n;        /* def: 0 = 11n capabilities enabled */
  81         int amsdu_size_8K;      /* def: 1 = enable 8K amsdu size */
  82         int antenna;            /* def: 0 = both antennas (use diversity) */
  83         int restart_fw;         /* def: 1 = restart firmware */
  84         bool plcp_check;        /* def: true = enable plcp health check */
  85         bool ack_check;         /* def: false = disable ack health check */
  86         bool wd_disable;        /* def: false = enable stuck queue check */
  87         bool bt_coex_active;    /* def: true = enable bt coex */
  88         int led_mode;           /* def: 0 = system default */
  89         bool no_sleep_autoadjust; /* def: true = disable autoadjust */
  90         bool power_save;        /* def: false = disable power save */
  91         int power_level;        /* def: 1 = power level */
  92         u32 debug_level;        /* levels are IWL_DL_* */
  93         int ant_coupling;
  94         bool bt_ch_announce;
  95         int wanted_ucode_alternative;
  96         bool auto_agg;          /* def: true = enable agg. without check */
  97 };
  98
  99 /**
 100  * struct iwl_hw_params
 101  * @max_txq_num: Max # Tx queues supported
 102  * @scd_bc_tbls_size: size of scheduler byte count tables
 103  * @tfd_size: TFD size
 104  * @tx/rx_chains_num: Number of TX/RX chains
 105  * @valid_tx/rx_ant: usable antennas
 106  * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
 107  * @max_rxq_log: Log-base-2 of max_rxq_size
 108  * @rx_page_order: Rx buffer page order
 109  * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
 110  * @max_stations:
 111  * @ht40_channel: is 40MHz width possible in band 2.4
 112  * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
 113  * @sw_crypto: 0 for hw, 1 for sw
 114  * @max_xxx_size: for ucode uses
 115  * @ct_kill_threshold: temperature threshold
 116  * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
 117  * @calib_init_cfg: setup initial calibrations for the hw
 118  * @calib_rt_cfg: setup runtime calibrations for the hw
 119  * @struct iwl_sensitivity_ranges: range of sensitivity values
 120  */
 121 struct iwl_hw_params {
 122         u8 max_txq_num;
 123         u16 scd_bc_tbls_size;
 124         u32 tfd_size;
 125         u8  tx_chains_num;
 126         u8  rx_chains_num;
 127         u8  valid_tx_ant;
 128         u8  valid_rx_ant;
 129         u16 max_rxq_size;
 130         u16 max_rxq_log;
 131         u32 rx_page_order;
 132         u8  max_stations;
 133         u8  ht40_channel;
 134         u8  max_beacon_itrvl;   /* in 1024 ms */
 135         u32 max_inst_size;
 136         u32 max_data_size;
 137         u32 ct_kill_threshold; /* value in hw-dependent units */
 138         u32 ct_kill_exit_threshold; /* value in hw-dependent units */
 139                                     /* for 1000, 6000 series and up */
 140         u16 beacon_time_tsf_bits;
 141         u32 calib_init_cfg;
 142         u32 calib_rt_cfg;
 143         const struct iwl_sensitivity_ranges *sens;
 144 };
 145
 146 /**
 147  * struct iwl_shared - shared fields for all the layers of the driver
 148  *
 149  * @dbg_level_dev: dbg level set per device. Prevails on
 150  *      iwlagn_mod_params.debug_level if set (!= 0)
 151  * @cmd_queue: command queue number
 152  * @status: STATUS_*
 153  * @bus: pointer to the bus layer data
 154  * @priv: pointer to the upper layer data
 155  * @hw_params: see struct iwl_hw_params
 156  * @workqueue: the workqueue used by all the layers of the driver
 157  * @lock: protect general shared data
 158  * @sta_lock: protects the station table.
 159  *      If lock and sta_lock are needed, lock must be acquired first.
 160  * @mutex:
 161  */
 162 struct iwl_shared {
 163 #ifdef CONFIG_IWLWIFI_DEBUG
 164         u32 dbg_level_dev;
 165 #endif /* CONFIG_IWLWIFI_DEBUG */
 166
 167         u8 cmd_queue;
 168         unsigned long status;
 169         bool wowlan;
 170
 171         struct iwl_bus *bus;
 172         struct iwl_priv *priv;
 173         struct iwl_trans *trans;
 174         struct iwl_hw_params hw_params;
 175
 176         struct workqueue_struct *workqueue;
 177         spinlock_t lock;
 178         spinlock_t sta_lock;
 179         struct mutex mutex;
 180 };
 181
 182 /*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
 183 #define priv(_m)        ((_m)->shrd->priv)
 184 #define bus(_m)         ((_m)->shrd->bus)
 185 #define trans(_m)       ((_m)->shrd->trans)
 186 #define hw_params(_m)   ((_m)->shrd->hw_params)
 187
 188 #ifdef CONFIG_IWLWIFI_DEBUG
 189 /*
 190  * iwl_get_debug_level: Return active debug level for device
 191  *
 192  * Using sysfs it is possible to set per device debug level. This debug
 193  * level will be used if set, otherwise the global debug level which can be
 194  * set via module parameter is used.
 195  */
 196 static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
 197 {
 198         if (shrd->dbg_level_dev)
 199                 return shrd->dbg_level_dev;
 200         else
 201                 return iwlagn_mod_params.debug_level;
 202 }
 203 #else
 204 static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
 205 {
 206         return iwlagn_mod_params.debug_level;
 207 }
 208 #endif
 209
 210 struct iwl_rx_mem_buffer {
 211         dma_addr_t page_dma;
 212         struct page *page;
 213         struct list_head list;
 214 };
 215
 216 #define rxb_addr(r) page_address(r->page)
 217
 218 #ifdef CONFIG_PM
 219 int iwl_suspend(struct iwl_priv *priv);
 220 int iwl_resume(struct iwl_priv *priv);
 221 #endif /* !CONFIG_PM */
 222
 223 int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
 224                 struct iwl_cfg *cfg);
 225 void __devexit iwl_remove(struct iwl_priv * priv);
 226
 227 #endif /* #__iwl_shared_h__ */