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android_kernel_xiaomi_sm8350/drivers/net/wireless/iwlwifi/iwl-4965.h
Zhu Yi b481de9ca0 [IWLWIFI]: add iwlwifi wireless drivers 
This patch adds the mac80211 based wireless drivers for the Intel
PRO/Wireless 3945ABG/BG Network Connection and Intel Wireless WiFi
Link AGN (4965) adapters.

[ Move driver into it's own directory -DaveM ]

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:51:39 -07:00

342 lines
10 KiB
C
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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__ */
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