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/******************************************************************************

 *

 * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of version 2 of the GNU General Public License as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA

 *

 * The full GNU General Public License is included in this distribution in the

 * file called LICENSE.

 *

 * Contact Information:

 * James P. Ketrenos <ipw2100-admin@linux.intel.com>

 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

 *

 *****************************************************************************/

#ifndef __iwl_4965_h__

#define __iwl_4965_h__

struct iwl_priv;

struct sta_ht_info;

/*

 * Forward declare iwl-4965.c functions for iwl-base.c

 */

extern int iwl_eeprom_aqcuire_semaphore(struct iwl_priv *priv);

extern void iwl_eeprom_release_semaphore(struct iwl_priv *priv);

extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv,

                                          struct iwl_tx_queue *txq,

                                          u16 byte_cnt);

extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr,

                                int is_ap);

extern void iwl4965_set_rxon_ht(struct iwl_priv *priv,

                                struct sta_ht_info *ht_info);

extern void iwl4965_set_rxon_chain(struct iwl_priv *priv);

extern int iwl4965_tx_cmd(struct iwl_priv *priv, struct iwl_cmd *out_cmd,

                          u8 sta_id, dma_addr_t txcmd_phys,

                          struct ieee80211_hdr *hdr, u8 hdr_len,

                          struct ieee80211_tx_control *ctrl, void *sta_in);

extern int iwl4965_init_hw_rates(struct iwl_priv *priv,

                                 struct ieee80211_rate *rates);

extern int iwl4965_alive_notify(struct iwl_priv *priv);

extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);

extern void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index);

extern void iwl4965_chain_noise_reset(struct iwl_priv *priv);

extern void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags,

                                     u8 force);

extern int iwl4965_set_fat_chan_info(struct iwl_priv *priv, int phymode,

                                u16 channel,

                                const struct iwl_eeprom_channel *eeprom_ch,

                                u8 fat_extension_channel);

extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);

#ifdef CONFIG_IWLWIFI_HT

#ifdef CONFIG_IWLWIFI_HT_AGG

extern int iwl_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,

                                   u16 tid, u16 *start_seq_num);

extern int iwl_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,

                                   u16 tid, u16 start_seq_num);

extern int iwl_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,

                                  u16 tid, int generator);

extern int iwl_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,

                                  u16 tid, int generator);

extern void iwl4965_turn_off_agg(struct iwl_priv *priv, u8 tid);

#endif /* CONFIG_IWLWIFI_HT_AGG */

#endif /*CONFIG_IWLWIFI_HT */

/* Structures, enum, and defines specific to the 4965 */

#define IWL4965_KW_SIZE 0x1000  /*4k */

struct iwl_kw {

        dma_addr_t dma_addr;

        void *v_addr;

        size_t size;

};

#define TID_QUEUE_CELL_SPACING 50       /*mS */

#define TID_QUEUE_MAX_SIZE     20

#define TID_ROUND_VALUE        5        /* mS */

#define TID_MAX_LOAD_COUNT     8

#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)

#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))

#define TID_ALL_ENABLED         0x7f

#define TID_ALL_SPECIFIED       0xff

#define TID_AGG_TPT_THREHOLD    0x0

#define IWL_CHANNEL_WIDTH_20MHZ   0

#define IWL_CHANNEL_WIDTH_40MHZ   1

#define IWL_MIMO_PS_STATIC        0

#define IWL_MIMO_PS_NONE          3

#define IWL_MIMO_PS_DYNAMIC       1

#define IWL_MIMO_PS_INVALID       2

#define IWL_OPERATION_MODE_AUTO     0

#define IWL_OPERATION_MODE_HT_ONLY  1

#define IWL_OPERATION_MODE_MIXED    2

#define IWL_OPERATION_MODE_20MHZ    3

#define IWL_EXT_CHANNEL_OFFSET_AUTO   0

#define IWL_EXT_CHANNEL_OFFSET_ABOVE  1

#define IWL_EXT_CHANNEL_OFFSET_       2

#define IWL_EXT_CHANNEL_OFFSET_BELOW  3

#define IWL_EXT_CHANNEL_OFFSET_MAX    4

#define NRG_NUM_PREV_STAT_L     20

#define NUM_RX_CHAINS           (3)

#define TX_POWER_IWL_ILLEGAL_VDET    -100000

#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000

#define TX_POWER_IWL_CLOSED_LOOP_MIN_POWER 18

#define TX_POWER_IWL_CLOSED_LOOP_MAX_POWER 34

#define TX_POWER_IWL_VDET_SLOPE_BELOW_NOMINAL 17

#define TX_POWER_IWL_VDET_SLOPE_ABOVE_NOMINAL 20

#define TX_POWER_IWL_NOMINAL_POWER            26

#define TX_POWER_IWL_CLOSED_LOOP_ITERATION_LIMIT 1

#define TX_POWER_IWL_VOLTAGE_CODES_PER_03V       7

#define TX_POWER_IWL_DEGREES_PER_VDET_CODE       11

#define IWL_TX_POWER_MAX_NUM_PA_MEASUREMENTS 1

#define IWL_TX_POWER_CCK_COMPENSATION_B_STEP (9)

#define IWL_TX_POWER_CCK_COMPENSATION_C_STEP (5)

struct iwl_traffic_load {

        unsigned long time_stamp;

        u32 packet_count[TID_QUEUE_MAX_SIZE];

        u8 queue_count;

        u8 head;

        u32 total;

};

#ifdef CONFIG_IWLWIFI_HT_AGG

struct iwl_agg_control {

        unsigned long next_retry;

        u32 wait_for_agg_status;

        u32 tid_retry;

        u32 requested_ba;

        u32 granted_ba;

        u8 auto_agg;

        u32 tid_traffic_load_threshold;

        u32 ba_timeout;

        struct iwl_traffic_load traffic_load[TID_MAX_LOAD_COUNT];

};

#endif                          /*CONFIG_IWLWIFI_HT_AGG */

struct iwl_lq_mngr {

#ifdef CONFIG_IWLWIFI_HT_AGG

        struct iwl_agg_control agg_ctrl;

#endif

        spinlock_t lock;

        s32 max_window_size;

        s32 *expected_tpt;

        u8 *next_higher_rate;

        u8 *next_lower_rate;

        unsigned long stamp;

        unsigned long stamp_last;

        u32 flush_time;

        u32 tx_packets;

        u8 lq_ready;

};

/* Sensitivity and chain noise calibration */

#define INTERFERENCE_DATA_AVAILABLE     __constant_cpu_to_le32(1)

#define INITIALIZATION_VALUE            0xFFFF

#define CAL_NUM_OF_BEACONS              20

#define MAXIMUM_ALLOWED_PATHLOSS        15

/* Param table within SENSITIVITY_CMD */

#define HD_MIN_ENERGY_CCK_DET_INDEX                 (0)

#define HD_MIN_ENERGY_OFDM_DET_INDEX                (1)

#define HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX          (2)

#define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX      (3)

#define HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX      (4)

#define HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX          (5)

#define HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX      (6)

#define HD_BARKER_CORR_TH_ADD_MIN_INDEX             (7)

#define HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX         (8)

#define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX          (9)

#define HD_OFDM_ENERGY_TH_IN_INDEX                  (10)

#define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE   __constant_cpu_to_le16(0)

#define SENSITIVITY_CMD_CONTROL_WORK_TABLE      __constant_cpu_to_le16(1)

#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3

#define MAX_FA_OFDM  50

#define MIN_FA_OFDM  5

#define MAX_FA_CCK   50

#define MIN_FA_CCK   5

#define NRG_MIN_CCK  97

#define NRG_MAX_CCK  0

#define AUTO_CORR_MIN_OFDM        85

#define AUTO_CORR_MIN_OFDM_MRC    170

#define AUTO_CORR_MIN_OFDM_X1     105

#define AUTO_CORR_MIN_OFDM_MRC_X1 220

#define AUTO_CORR_MAX_OFDM        120

#define AUTO_CORR_MAX_OFDM_MRC    210

#define AUTO_CORR_MAX_OFDM_X1     140

#define AUTO_CORR_MAX_OFDM_MRC_X1 270

#define AUTO_CORR_STEP_OFDM       1

#define AUTO_CORR_MIN_CCK      (125)

#define AUTO_CORR_MAX_CCK      (200)

#define AUTO_CORR_MIN_CCK_MRC  200

#define AUTO_CORR_MAX_CCK_MRC  400

#define AUTO_CORR_STEP_CCK     3

#define AUTO_CORR_MAX_TH_CCK   160

#define NRG_ALG                0

#define AUTO_CORR_ALG          1

#define NRG_DIFF               2

#define NRG_STEP_CCK           2

#define NRG_MARGIN             8

#define MAX_NUMBER_CCK_NO_FA 100

#define AUTO_CORR_CCK_MIN_VAL_DEF    (125)

#define CHAIN_A             0

#define CHAIN_B             1

#define CHAIN_C             2

#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4

#define ALL_BAND_FILTER                 0xFF00

#define IN_BAND_FILTER                  0xFF

#define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF

enum iwl_false_alarm_state {

        IWL_FA_TOO_MANY = 0,

        IWL_FA_TOO_FEW = 1,

        IWL_FA_GOOD_RANGE = 2,

};

enum iwl_chain_noise_state {

        IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */

        IWL_CHAIN_NOISE_ACCUMULATE = 1,

        IWL_CHAIN_NOISE_CALIBRATED = 2,

};

enum iwl_sensitivity_state {

        IWL_SENS_CALIB_ALLOWED = 0,

        IWL_SENS_CALIB_NEED_REINIT = 1,

};

enum iwl_calib_enabled_state {

        IWL_CALIB_DISABLED = 0,  /* must be 0 */

        IWL_CALIB_ENABLED = 1,

};

struct statistics_general_data {

        u32 beacon_silence_rssi_a;

        u32 beacon_silence_rssi_b;

        u32 beacon_silence_rssi_c;

        u32 beacon_energy_a;

        u32 beacon_energy_b;

        u32 beacon_energy_c;

};

/* Sensitivity calib data */

struct iwl_sensitivity_data {

        u32 auto_corr_ofdm;

        u32 auto_corr_ofdm_mrc;

        u32 auto_corr_ofdm_x1;

        u32 auto_corr_ofdm_mrc_x1;

        u32 auto_corr_cck;

        u32 auto_corr_cck_mrc;

        u32 last_bad_plcp_cnt_ofdm;

        u32 last_fa_cnt_ofdm;

        u32 last_bad_plcp_cnt_cck;

        u32 last_fa_cnt_cck;

        u32 nrg_curr_state;

        u32 nrg_prev_state;

        u32 nrg_value[10];

        u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];

        u32 nrg_silence_ref;

        u32 nrg_energy_idx;

        u32 nrg_silence_idx;

        u32 nrg_th_cck;

        s32 nrg_auto_corr_silence_diff;

        u32 num_in_cck_no_fa;

        u32 nrg_th_ofdm;

        u8 state;

};

/* Chain noise (differential Rx gain) calib data */

struct iwl_chain_noise_data {

        u8 state;

        u16 beacon_count;

        u32 chain_noise_a;

        u32 chain_noise_b;

        u32 chain_noise_c;

        u32 chain_signal_a;

        u32 chain_signal_b;

        u32 chain_signal_c;

        u8 disconn_array[NUM_RX_CHAINS];

        u8 delta_gain_code[NUM_RX_CHAINS];

        u8 radio_write;

};

/* IWL4965 */

#define RATE_MCS_CODE_MSK 0x7

#define RATE_MCS_MIMO_POS 3

#define RATE_MCS_MIMO_MSK 0x8

#define RATE_MCS_HT_DUP_POS 5

#define RATE_MCS_HT_DUP_MSK 0x20

#define RATE_MCS_FLAGS_POS 8

#define RATE_MCS_HT_POS 8

#define RATE_MCS_HT_MSK 0x100

#define RATE_MCS_CCK_POS 9

#define RATE_MCS_CCK_MSK 0x200

#define RATE_MCS_GF_POS 10

#define RATE_MCS_GF_MSK 0x400

#define RATE_MCS_FAT_POS 11

#define RATE_MCS_FAT_MSK 0x800

#define RATE_MCS_DUP_POS 12

#define RATE_MCS_DUP_MSK 0x1000

#define RATE_MCS_SGI_POS 13

#define RATE_MCS_SGI_MSK 0x2000

#define EEPROM_SEM_TIMEOUT 10

#define EEPROM_SEM_RETRY_LIMIT 1000

#endif                          /* __iwl_4965_h__ */