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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   8  * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
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  25  * in the file called LICENSE.GPL.
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  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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  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 /**
  78  * struct iwl_mod_params
  79  * @sw_crypto: using hardware encryption, default = 0
  80  * @num_of_queues: number of tx queue, HW dependent
  81  * @disable_11n: 11n capabilities enabled, default = 0
  82  * @amsdu_size_8K: enable 8K amsdu size, default = 1
  83  * @antenna: both antennas (use diversity), default = 0
  84  * @restart_fw: restart firmware, default = 1
  85  * @plcp_check: enable plcp health check, default = true
  86  * @ack_check: disable ack health check, default = false
  87  * @wd_disable: enable stuck queue check, default = false
  88  * @bt_coex_active: enable bt coex, default = true
  89  * @led_mode: system default, default = 0
  90  * @no_sleep_autoadjust: disable autoadjust, default = true
  91  * @power_save: disable power save, default = false
  92  * @power_level: power level, default = 1
  93  * @debug_level: levels are IWL_DL_*
  94  * @ant_coupling: antenna coupling in dB, default = 0
  95  * @bt_ch_announce: BT channel inhibition, default = enable
  96  * @wanted_ucode_alternative: ucode alternative to use, default = 1
  97  * @auto_agg: enable agg. without check, default = true
  98  */
  99 struct iwl_mod_params {
 100         int sw_crypto;
 101         int num_of_queues;
 102         int disable_11n;
 103         int amsdu_size_8K;
 104         int antenna;
 105         int restart_fw;
 106         bool plcp_check;
 107         bool ack_check;
 108         bool wd_disable;
 109         bool bt_coex_active;
 110         int led_mode;
 111         bool no_sleep_autoadjust;
 112         bool power_save;
 113         int power_level;
 114         u32 debug_level;
 115         int ant_coupling;
 116         bool bt_ch_announce;
 117         int wanted_ucode_alternative;
 118         bool auto_agg;
 119 };
 120
 121 /**
 122  * struct iwl_hw_params
 123  * @max_txq_num: Max # Tx queues supported
 124  * @scd_bc_tbls_size: size of scheduler byte count tables
 125  * @tfd_size: TFD size
 126  * @tx/rx_chains_num: Number of TX/RX chains
 127  * @valid_tx/rx_ant: usable antennas
 128  * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
 129  * @max_rxq_log: Log-base-2 of max_rxq_size
 130  * @rx_page_order: Rx buffer page order
 131  * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
 132  * @max_stations:
 133  * @ht40_channel: is 40MHz width possible in band 2.4
 134  * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
 135  * @sw_crypto: 0 for hw, 1 for sw
 136  * @max_xxx_size: for ucode uses
 137  * @ct_kill_threshold: temperature threshold
 138  * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
 139  * @calib_init_cfg: setup initial calibrations for the hw
 140  * @calib_rt_cfg: setup runtime calibrations for the hw
 141  * @struct iwl_sensitivity_ranges: range of sensitivity values
 142  */
 143 struct iwl_hw_params {
 144         u8 max_txq_num;
 145         u16 scd_bc_tbls_size;
 146         u32 tfd_size;
 147         u8  tx_chains_num;
 148         u8  rx_chains_num;
 149         u8  valid_tx_ant;
 150         u8  valid_rx_ant;
 151         u16 max_rxq_size;
 152         u16 max_rxq_log;
 153         u32 rx_page_order;
 154         u8  max_stations;
 155         u8  ht40_channel;
 156         u8  max_beacon_itrvl;   /* in 1024 ms */
 157         u32 max_inst_size;
 158         u32 max_data_size;
 159         u32 ct_kill_threshold; /* value in hw-dependent units */
 160         u32 ct_kill_exit_threshold; /* value in hw-dependent units */
 161                                     /* for 1000, 6000 series and up */
 162         u16 beacon_time_tsf_bits;
 163         u32 calib_init_cfg;
 164         u32 calib_rt_cfg;
 165         const struct iwl_sensitivity_ranges *sens;
 166 };
 167
 168 /**
 169  * struct iwl_shared - shared fields for all the layers of the driver
 170  *
 171  * @dbg_level_dev: dbg level set per device. Prevails on
 172  *      iwlagn_mod_params.debug_level if set (!= 0)
 173  * @cmd_queue: command queue number
 174  * @status: STATUS_*
 175  * @bus: pointer to the bus layer data
 176  * @priv: pointer to the upper layer data
 177  * @hw_params: see struct iwl_hw_params
 178  * @workqueue: the workqueue used by all the layers of the driver
 179  * @lock: protect general shared data
 180  * @sta_lock: protects the station table.
 181  *      If lock and sta_lock are needed, lock must be acquired first.
 182  * @mutex:
 183  */
 184 struct iwl_shared {
 185 #ifdef CONFIG_IWLWIFI_DEBUG
 186         u32 dbg_level_dev;
 187 #endif /* CONFIG_IWLWIFI_DEBUG */
 188
 189         u8 cmd_queue;
 190         unsigned long status;
 191         bool wowlan;
 192
 193         struct iwl_bus *bus;
 194         struct iwl_priv *priv;
 195         struct iwl_trans *trans;
 196         struct iwl_hw_params hw_params;
 197
 198         struct workqueue_struct *workqueue;
 199         spinlock_t lock;
 200         spinlock_t sta_lock;
 201         struct mutex mutex;
 202 };
 203
 204 /*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
 205 #define priv(_m)        ((_m)->shrd->priv)
 206 #define bus(_m)         ((_m)->shrd->bus)
 207 #define trans(_m)       ((_m)->shrd->trans)
 208 #define hw_params(_m)   ((_m)->shrd->hw_params)
 209
 210 #ifdef CONFIG_IWLWIFI_DEBUG
 211 /*
 212  * iwl_get_debug_level: Return active debug level for device
 213  *
 214  * Using sysfs it is possible to set per device debug level. This debug
 215  * level will be used if set, otherwise the global debug level which can be
 216  * set via module parameter is used.
 217  */
 218 static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
 219 {
 220         if (shrd->dbg_level_dev)
 221                 return shrd->dbg_level_dev;
 222         else
 223                 return iwlagn_mod_params.debug_level;
 224 }
 225 #else
 226 static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
 227 {
 228         return iwlagn_mod_params.debug_level;
 229 }
 230 #endif
 231
 232 struct iwl_rx_mem_buffer {
 233         dma_addr_t page_dma;
 234         struct page *page;
 235         struct list_head list;
 236 };
 237
 238 #define rxb_addr(r) page_address(r->page)
 239
 240 #ifdef CONFIG_PM
 241 int iwl_suspend(struct iwl_priv *priv);
 242 int iwl_resume(struct iwl_priv *priv);
 243 #endif /* !CONFIG_PM */
 244
 245 int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
 246                 struct iwl_cfg *cfg);
 247 void __devexit iwl_remove(struct iwl_priv * priv);
 248
 249 #endif /* #__iwl_shared_h__ */