root/drivers/net/wireless/ti/wl18xx/main.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file is part of wl18xx
 *
 * Copyright (C) 2011 Texas Instruments
 */

#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/ip.h>
#include <linux/firmware.h>
#include <linux/etherdevice.h>
#include <linux/irq.h>

#include "../wlcore/wlcore.h"
#include "../wlcore/debug.h"
#include "../wlcore/io.h"
#include "../wlcore/acx.h"
#include "../wlcore/tx.h"
#include "../wlcore/rx.h"
#include "../wlcore/boot.h"

#include "reg.h"
#include "conf.h"
#include "cmd.h"
#include "acx.h"
#include "tx.h"
#include "wl18xx.h"
#include "io.h"
#include "scan.h"
#include "event.h"
#include "debugfs.h"

#define WL18XX_RX_CHECKSUM_MASK      0x40

static char *ht_mode_param = NULL;
static char *board_type_param = NULL;
static bool checksum_param = false;
static int num_rx_desc_param = -1;

/* phy paramters */
static int dc2dc_param = -1;
static int n_antennas_2_param = -1;
static int n_antennas_5_param = -1;
static int low_band_component_param = -1;
static int low_band_component_type_param = -1;
static int high_band_component_param = -1;
static int high_band_component_type_param = -1;
static int pwr_limit_reference_11_abg_param = -1;

static const u8 wl18xx_rate_to_idx_2ghz[] = {
        /* MCS rates are used only with 11n */
        15,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
        14,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
        13,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
        12,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
        11,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
        10,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
        9,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
        8,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
        7,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
        6,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
        5,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
        4,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
        3,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
        2,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
        1,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
        0,                             /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */

        11,                            /* WL18XX_CONF_HW_RXTX_RATE_54   */
        10,                            /* WL18XX_CONF_HW_RXTX_RATE_48   */
        9,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
        8,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */

        /* TI-specific rate */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */

        7,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
        6,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
        3,                             /* WL18XX_CONF_HW_RXTX_RATE_11   */
        5,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
        4,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
        2,                             /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
        1,                             /* WL18XX_CONF_HW_RXTX_RATE_2    */
        0                              /* WL18XX_CONF_HW_RXTX_RATE_1    */
};

static const u8 wl18xx_rate_to_idx_5ghz[] = {
        /* MCS rates are used only with 11n */
        15,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
        14,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
        13,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
        12,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
        11,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
        10,                           /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
        9,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
        8,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
        7,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
        6,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
        5,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
        4,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
        3,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
        2,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
        1,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
        0,                            /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */

        7,                             /* WL18XX_CONF_HW_RXTX_RATE_54   */
        6,                             /* WL18XX_CONF_HW_RXTX_RATE_48   */
        5,                             /* WL18XX_CONF_HW_RXTX_RATE_36   */
        4,                             /* WL18XX_CONF_HW_RXTX_RATE_24   */

        /* TI-specific rate */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22   */

        3,                             /* WL18XX_CONF_HW_RXTX_RATE_18   */
        2,                             /* WL18XX_CONF_HW_RXTX_RATE_12   */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11   */
        1,                             /* WL18XX_CONF_HW_RXTX_RATE_9    */
        0,                             /* WL18XX_CONF_HW_RXTX_RATE_6    */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5  */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2    */
        CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1    */
};

static const u8 *wl18xx_band_rate_to_idx[] = {
        [NL80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
        [NL80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz
};

enum wl18xx_hw_rates {
        WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0,
        WL18XX_CONF_HW_RXTX_RATE_MCS14,
        WL18XX_CONF_HW_RXTX_RATE_MCS13,
        WL18XX_CONF_HW_RXTX_RATE_MCS12,
        WL18XX_CONF_HW_RXTX_RATE_MCS11,
        WL18XX_CONF_HW_RXTX_RATE_MCS10,
        WL18XX_CONF_HW_RXTX_RATE_MCS9,
        WL18XX_CONF_HW_RXTX_RATE_MCS8,
        WL18XX_CONF_HW_RXTX_RATE_MCS7,
        WL18XX_CONF_HW_RXTX_RATE_MCS6,
        WL18XX_CONF_HW_RXTX_RATE_MCS5,
        WL18XX_CONF_HW_RXTX_RATE_MCS4,
        WL18XX_CONF_HW_RXTX_RATE_MCS3,
        WL18XX_CONF_HW_RXTX_RATE_MCS2,
        WL18XX_CONF_HW_RXTX_RATE_MCS1,
        WL18XX_CONF_HW_RXTX_RATE_MCS0,
        WL18XX_CONF_HW_RXTX_RATE_54,
        WL18XX_CONF_HW_RXTX_RATE_48,
        WL18XX_CONF_HW_RXTX_RATE_36,
        WL18XX_CONF_HW_RXTX_RATE_24,
        WL18XX_CONF_HW_RXTX_RATE_22,
        WL18XX_CONF_HW_RXTX_RATE_18,
        WL18XX_CONF_HW_RXTX_RATE_12,
        WL18XX_CONF_HW_RXTX_RATE_11,
        WL18XX_CONF_HW_RXTX_RATE_9,
        WL18XX_CONF_HW_RXTX_RATE_6,
        WL18XX_CONF_HW_RXTX_RATE_5_5,
        WL18XX_CONF_HW_RXTX_RATE_2,
        WL18XX_CONF_HW_RXTX_RATE_1,
        WL18XX_CONF_HW_RXTX_RATE_MAX,
};

static struct wlcore_conf wl18xx_conf = {
        .sg = {
                .params = {
                        [WL18XX_CONF_SG_PARAM_0] = 0,
                        /* Configuration Parameters */
                        [WL18XX_CONF_SG_ANTENNA_CONFIGURATION] = 0,
                        [WL18XX_CONF_SG_ZIGBEE_COEX] = 0,
                        [WL18XX_CONF_SG_TIME_SYNC] = 0,
                        [WL18XX_CONF_SG_PARAM_4] = 0,
                        [WL18XX_CONF_SG_PARAM_5] = 0,
                        [WL18XX_CONF_SG_PARAM_6] = 0,
                        [WL18XX_CONF_SG_PARAM_7] = 0,
                        [WL18XX_CONF_SG_PARAM_8] = 0,
                        [WL18XX_CONF_SG_PARAM_9] = 0,
                        [WL18XX_CONF_SG_PARAM_10] = 0,
                        [WL18XX_CONF_SG_PARAM_11] = 0,
                        [WL18XX_CONF_SG_PARAM_12] = 0,
                        [WL18XX_CONF_SG_PARAM_13] = 0,
                        [WL18XX_CONF_SG_PARAM_14] = 0,
                        [WL18XX_CONF_SG_PARAM_15] = 0,
                        [WL18XX_CONF_SG_PARAM_16] = 0,
                        [WL18XX_CONF_SG_PARAM_17] = 0,
                        [WL18XX_CONF_SG_PARAM_18] = 0,
                        [WL18XX_CONF_SG_PARAM_19] = 0,
                        [WL18XX_CONF_SG_PARAM_20] = 0,
                        [WL18XX_CONF_SG_PARAM_21] = 0,
                        [WL18XX_CONF_SG_PARAM_22] = 0,
                        [WL18XX_CONF_SG_PARAM_23] = 0,
                        [WL18XX_CONF_SG_PARAM_24] = 0,
                        [WL18XX_CONF_SG_PARAM_25] = 0,
                        /* Active Scan Parameters */
                        [WL18XX_CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
                        [WL18XX_CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
                        [WL18XX_CONF_SG_PARAM_28] = 0,
                        /* Passive Scan Parameters */
                        [WL18XX_CONF_SG_PARAM_29] = 0,
                        [WL18XX_CONF_SG_PARAM_30] = 0,
                        [WL18XX_CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
                        /* Passive Scan in Dual Antenna Parameters */
                        [WL18XX_CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0,
                        [WL18XX_CONF_SG_BEACON_HV3_COLL_TH_IN_PASSIVE_SCAN] = 0,
                        [WL18XX_CONF_SG_TX_RX_PROTECT_BW_IN_PASSIVE_SCAN] = 0,
                        /* General Parameters */
                        [WL18XX_CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1,
                        [WL18XX_CONF_SG_PARAM_36] = 0,
                        [WL18XX_CONF_SG_BEACON_MISS_PERCENT] = 60,
                        [WL18XX_CONF_SG_PARAM_38] = 0,
                        [WL18XX_CONF_SG_RXT] = 1200,
                        [WL18XX_CONF_SG_UNUSED] = 0,
                        [WL18XX_CONF_SG_ADAPTIVE_RXT_TXT] = 1,
                        [WL18XX_CONF_SG_GENERAL_USAGE_BIT_MAP] = 3,
                        [WL18XX_CONF_SG_HV3_MAX_SERVED] = 6,
                        [WL18XX_CONF_SG_PARAM_44] = 0,
                        [WL18XX_CONF_SG_PARAM_45] = 0,
                        [WL18XX_CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2,
                        [WL18XX_CONF_SG_GEMINI_PARAM_47] = 0,
                        [WL18XX_CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 0,
                        /* AP Parameters */
                        [WL18XX_CONF_SG_AP_BEACON_MISS_TX] = 3,
                        [WL18XX_CONF_SG_PARAM_50] = 0,
                        [WL18XX_CONF_SG_AP_BEACON_WINDOW_INTERVAL] = 2,
                        [WL18XX_CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 30,
                        [WL18XX_CONF_SG_PARAM_53] = 0,
                        [WL18XX_CONF_SG_PARAM_54] = 0,
                        /* CTS Diluting Parameters */
                        [WL18XX_CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
                        [WL18XX_CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_1] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_2] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_3] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_4] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_5] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_6] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_7] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_8] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_9] = 0,
                        [WL18XX_CONF_SG_TEMP_PARAM_10] = 0,
                },
                .state = CONF_SG_PROTECTIVE,
        },
        .rx = {
                .rx_msdu_life_time           = 512000,
                .packet_detection_threshold  = 0,
                .ps_poll_timeout             = 15,
                .upsd_timeout                = 15,
                .rts_threshold               = IEEE80211_MAX_RTS_THRESHOLD,
                .rx_cca_threshold            = 0,
                .irq_blk_threshold           = 0xFFFF,
                .irq_pkt_threshold           = 0,
                .irq_timeout                 = 600,
                .queue_type                  = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
        },
        .tx = {
                .tx_energy_detection         = 0,
                .sta_rc_conf                 = {
                        .enabled_rates       = 0,
                        .short_retry_limit   = 10,
                        .long_retry_limit    = 10,
                        .aflags              = 0,
                },
                .ac_conf_count               = 4,
                .ac_conf                     = {
                        [CONF_TX_AC_BE] = {
                                .ac          = CONF_TX_AC_BE,
                                .cw_min      = 15,
                                .cw_max      = 63,
                                .aifsn       = 3,
                                .tx_op_limit = 0,
                        },
                        [CONF_TX_AC_BK] = {
                                .ac          = CONF_TX_AC_BK,
                                .cw_min      = 15,
                                .cw_max      = 63,
                                .aifsn       = 7,
                                .tx_op_limit = 0,
                        },
                        [CONF_TX_AC_VI] = {
                                .ac          = CONF_TX_AC_VI,
                                .cw_min      = 15,
                                .cw_max      = 63,
                                .aifsn       = CONF_TX_AIFS_PIFS,
                                .tx_op_limit = 3008,
                        },
                        [CONF_TX_AC_VO] = {
                                .ac          = CONF_TX_AC_VO,
                                .cw_min      = 15,
                                .cw_max      = 63,
                                .aifsn       = CONF_TX_AIFS_PIFS,
                                .tx_op_limit = 1504,
                        },
                },
                .max_tx_retries = 100,
                .ap_aging_period = 300,
                .tid_conf_count = 4,
                .tid_conf = {
                        [CONF_TX_AC_BE] = {
                                .queue_id    = CONF_TX_AC_BE,
                                .channel_type = CONF_CHANNEL_TYPE_EDCF,
                                .tsid        = CONF_TX_AC_BE,
                                .ps_scheme   = CONF_PS_SCHEME_LEGACY,
                                .ack_policy  = CONF_ACK_POLICY_LEGACY,
                                .apsd_conf   = {0, 0},
                        },
                        [CONF_TX_AC_BK] = {
                                .queue_id    = CONF_TX_AC_BK,
                                .channel_type = CONF_CHANNEL_TYPE_EDCF,
                                .tsid        = CONF_TX_AC_BK,
                                .ps_scheme   = CONF_PS_SCHEME_LEGACY,
                                .ack_policy  = CONF_ACK_POLICY_LEGACY,
                                .apsd_conf   = {0, 0},
                        },
                        [CONF_TX_AC_VI] = {
                                .queue_id    = CONF_TX_AC_VI,
                                .channel_type = CONF_CHANNEL_TYPE_EDCF,
                                .tsid        = CONF_TX_AC_VI,
                                .ps_scheme   = CONF_PS_SCHEME_LEGACY,
                                .ack_policy  = CONF_ACK_POLICY_LEGACY,
                                .apsd_conf   = {0, 0},
                        },
                        [CONF_TX_AC_VO] = {
                                .queue_id    = CONF_TX_AC_VO,
                                .channel_type = CONF_CHANNEL_TYPE_EDCF,
                                .tsid        = CONF_TX_AC_VO,
                                .ps_scheme   = CONF_PS_SCHEME_LEGACY,
                                .ack_policy  = CONF_ACK_POLICY_LEGACY,
                                .apsd_conf   = {0, 0},
                        },
                },
                .frag_threshold              = IEEE80211_MAX_FRAG_THRESHOLD,
                .tx_compl_timeout            = 350,
                .tx_compl_threshold          = 10,
                .basic_rate                  = CONF_HW_BIT_RATE_1MBPS,
                .basic_rate_5                = CONF_HW_BIT_RATE_6MBPS,
                .tmpl_short_retry_limit      = 10,
                .tmpl_long_retry_limit       = 10,
                .tx_watchdog_timeout         = 5000,
                .slow_link_thold             = 3,
                .fast_link_thold             = 30,
        },
        .conn = {
                .wake_up_event               = CONF_WAKE_UP_EVENT_DTIM,
                .listen_interval             = 1,
                .suspend_wake_up_event       = CONF_WAKE_UP_EVENT_N_DTIM,
                .suspend_listen_interval     = 3,
                .bcn_filt_mode               = CONF_BCN_FILT_MODE_ENABLED,
                .bcn_filt_ie_count           = 3,
                .bcn_filt_ie = {
                        [0] = {
                                .ie          = WLAN_EID_CHANNEL_SWITCH,
                                .rule        = CONF_BCN_RULE_PASS_ON_APPEARANCE,
                        },
                        [1] = {
                                .ie          = WLAN_EID_HT_OPERATION,
                                .rule        = CONF_BCN_RULE_PASS_ON_CHANGE,
                        },
                        [2] = {
                                .ie          = WLAN_EID_ERP_INFO,
                                .rule        = CONF_BCN_RULE_PASS_ON_CHANGE,
                        },
                },
                .synch_fail_thold            = 12,
                .bss_lose_timeout            = 400,
                .beacon_rx_timeout           = 10000,
                .broadcast_timeout           = 20000,
                .rx_broadcast_in_ps          = 1,
                .ps_poll_threshold           = 10,
                .bet_enable                  = CONF_BET_MODE_ENABLE,
                .bet_max_consecutive         = 50,
                .psm_entry_retries           = 8,
                .psm_exit_retries            = 16,
                .psm_entry_nullfunc_retries  = 3,
                .dynamic_ps_timeout          = 1500,
                .forced_ps                   = false,
                .keep_alive_interval         = 55000,
                .max_listen_interval         = 20,
                .sta_sleep_auth              = WL1271_PSM_ILLEGAL,
                .suspend_rx_ba_activity      = 0,
        },
        .itrim = {
                .enable = false,
                .timeout = 50000,
        },
        .pm_config = {
                .host_clk_settling_time = 5000,
                .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE,
        },
        .roam_trigger = {
                .trigger_pacing               = 1,
                .avg_weight_rssi_beacon       = 20,
                .avg_weight_rssi_data         = 10,
                .avg_weight_snr_beacon        = 20,
                .avg_weight_snr_data          = 10,
        },
        .scan = {
                .min_dwell_time_active        = 7500,
                .max_dwell_time_active        = 30000,
                .min_dwell_time_active_long   = 25000,
                .max_dwell_time_active_long   = 50000,
                .dwell_time_passive           = 100000,
                .dwell_time_dfs               = 150000,
                .num_probe_reqs               = 2,
                .split_scan_timeout           = 50000,
        },
        .sched_scan = {
                /*
                 * Values are in TU/1000 but since sched scan FW command
                 * params are in TUs rounding up may occur.
                 */
                .base_dwell_time                = 7500,
                .max_dwell_time_delta           = 22500,
                /* based on 250bits per probe @1Mbps */
                .dwell_time_delta_per_probe     = 2000,
                /* based on 250bits per probe @6Mbps (plus a bit more) */
                .dwell_time_delta_per_probe_5   = 350,
                .dwell_time_passive             = 100000,
                .dwell_time_dfs                 = 150000,
                .num_probe_reqs                 = 2,
                .rssi_threshold                 = -90,
                .snr_threshold                  = 0,
                .num_short_intervals            = SCAN_MAX_SHORT_INTERVALS,
                .long_interval                  = 30000,
        },
        .ht = {
                .rx_ba_win_size = 32,
                .tx_ba_win_size = 64,
                .inactivity_timeout = 10000,
                .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP,
        },
        .mem = {
                .num_stations                 = 1,
                .ssid_profiles                = 1,
                .rx_block_num                 = 40,
                .tx_min_block_num             = 40,
                .dynamic_memory               = 1,
                .min_req_tx_blocks            = 45,
                .min_req_rx_blocks            = 22,
                .tx_min                       = 27,
        },
        .fm_coex = {
                .enable                       = true,
                .swallow_period               = 5,
                .n_divider_fref_set_1         = 0xff,       /* default */
                .n_divider_fref_set_2         = 12,
                .m_divider_fref_set_1         = 0xffff,
                .m_divider_fref_set_2         = 148,        /* default */
                .coex_pll_stabilization_time  = 0xffffffff, /* default */
                .ldo_stabilization_time       = 0xffff,     /* default */
                .fm_disturbed_band_margin     = 0xff,       /* default */
                .swallow_clk_diff             = 0xff,       /* default */
        },
        .rx_streaming = {
                .duration                      = 150,
                .queues                        = 0x1,
                .interval                      = 20,
                .always                        = 0,
        },
        .fwlog = {
                .mode                         = WL12XX_FWLOG_CONTINUOUS,
                .mem_blocks                   = 0,
                .severity                     = 0,
                .timestamp                    = WL12XX_FWLOG_TIMESTAMP_DISABLED,
                .output                       = WL12XX_FWLOG_OUTPUT_DBG_PINS,
                .threshold                    = 0,
        },
        .rate = {
                .rate_retry_score = 32000,
                .per_add = 8192,
                .per_th1 = 2048,
                .per_th2 = 4096,
                .max_per = 8100,
                .inverse_curiosity_factor = 5,
                .tx_fail_low_th = 4,
                .tx_fail_high_th = 10,
                .per_alpha_shift = 4,
                .per_add_shift = 13,
                .per_beta1_shift = 10,
                .per_beta2_shift = 8,
                .rate_check_up = 2,
                .rate_check_down = 12,
                .rate_retry_policy = {
                        0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00,
                },
        },
        .hangover = {
                .recover_time               = 0,
                .hangover_period            = 20,
                .dynamic_mode               = 1,
                .early_termination_mode     = 1,
                .max_period                 = 20,
                .min_period                 = 1,
                .increase_delta             = 1,
                .decrease_delta             = 2,
                .quiet_time                 = 4,
                .increase_time              = 1,
                .window_size                = 16,
        },
        .recovery = {
                .bug_on_recovery            = 0,
                .no_recovery                = 0,
        },
};

static struct wl18xx_priv_conf wl18xx_default_priv_conf = {
        .ht = {
                .mode                           = HT_MODE_WIDE,
        },
        .phy = {
                .phy_standalone                 = 0x00,
                .primary_clock_setting_time     = 0x05,
                .clock_valid_on_wake_up         = 0x00,
                .secondary_clock_setting_time   = 0x05,
                .board_type                     = BOARD_TYPE_HDK_18XX,
                .auto_detect                    = 0x00,
                .dedicated_fem                  = FEM_NONE,
                .low_band_component             = COMPONENT_3_WAY_SWITCH,
                .low_band_component_type        = 0x05,
                .high_band_component            = COMPONENT_2_WAY_SWITCH,
                .high_band_component_type       = 0x09,
                .tcxo_ldo_voltage               = 0x00,
                .xtal_itrim_val                 = 0x04,
                .srf_state                      = 0x00,
                .io_configuration               = 0x01,
                .sdio_configuration             = 0x00,
                .settings                       = 0x00,
                .enable_clpc                    = 0x00,
                .enable_tx_low_pwr_on_siso_rdl  = 0x00,
                .rx_profile                     = 0x00,
                .pwr_limit_reference_11_abg     = 0x64,
                .per_chan_pwr_limit_arr_11abg   = {
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                        0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
                .pwr_limit_reference_11p        = 0x64,
                .per_chan_bo_mode_11_abg        = { 0x00, 0x00, 0x00, 0x00,
                                                    0x00, 0x00, 0x00, 0x00,
                                                    0x00, 0x00, 0x00, 0x00,
                                                    0x00 },
                .per_chan_bo_mode_11_p          = { 0x00, 0x00, 0x00, 0x00 },
                .per_chan_pwr_limit_arr_11p     = { 0xff, 0xff, 0xff, 0xff,
                                                    0xff, 0xff, 0xff },
                .psat                           = 0,
                .external_pa_dc2dc              = 0,
                .number_of_assembled_ant2_4     = 2,
                .number_of_assembled_ant5       = 1,
                .low_power_val                  = 0xff,
                .med_power_val                  = 0xff,
                .high_power_val                 = 0xff,
                .low_power_val_2nd              = 0xff,
                .med_power_val_2nd              = 0xff,
                .high_power_val_2nd             = 0xff,
                .tx_rf_margin                   = 1,
        },
        .ap_sleep = {               /* disabled by default */
                .idle_duty_cycle        = 0,
                .connected_duty_cycle   = 0,
                .max_stations_thresh    = 0,
                .idle_conn_thresh       = 0,
        },
};

static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
        [PART_TOP_PRCM_ELP_SOC] = {
                .mem  = { .start = 0x00A00000, .size  = 0x00012000 },
                .reg  = { .start = 0x00807000, .size  = 0x00005000 },
                .mem2 = { .start = 0x00800000, .size  = 0x0000B000 },
                .mem3 = { .start = 0x00401594, .size  = 0x00001020 },
        },
        [PART_DOWN] = {
                .mem  = { .start = 0x00000000, .size  = 0x00014000 },
                .reg  = { .start = 0x00810000, .size  = 0x0000BFFF },
                .mem2 = { .start = 0x00000000, .size  = 0x00000000 },
                .mem3 = { .start = 0x00000000, .size  = 0x00000000 },
        },
        [PART_BOOT] = {
                .mem  = { .start = 0x00700000, .size = 0x0000030c },
                .reg  = { .start = 0x00802000, .size = 0x00014578 },
                .mem2 = { .start = 0x00B00404, .size = 0x00001000 },
                .mem3 = { .start = 0x00C00000, .size = 0x00000400 },
        },
        [PART_WORK] = {
                .mem  = { .start = 0x00800000, .size  = 0x000050FC },
                .reg  = { .start = 0x00B00404, .size  = 0x00001000 },
                .mem2 = { .start = 0x00C00000, .size  = 0x00000400 },
                .mem3 = { .start = 0x00401594, .size  = 0x00001020 },
        },
        [PART_PHY_INIT] = {
                .mem  = { .start = WL18XX_PHY_INIT_MEM_ADDR,
                          .size  = WL18XX_PHY_INIT_MEM_SIZE },
                .reg  = { .start = 0x00000000, .size = 0x00000000 },
                .mem2 = { .start = 0x00000000, .size = 0x00000000 },
                .mem3 = { .start = 0x00000000, .size = 0x00000000 },
        },
};

static const int wl18xx_rtable[REG_TABLE_LEN] = {
        [REG_ECPU_CONTROL]              = WL18XX_REG_ECPU_CONTROL,
        [REG_INTERRUPT_NO_CLEAR]        = WL18XX_REG_INTERRUPT_NO_CLEAR,
        [REG_INTERRUPT_ACK]             = WL18XX_REG_INTERRUPT_ACK,
        [REG_COMMAND_MAILBOX_PTR]       = WL18XX_REG_COMMAND_MAILBOX_PTR,
        [REG_EVENT_MAILBOX_PTR]         = WL18XX_REG_EVENT_MAILBOX_PTR,
        [REG_INTERRUPT_TRIG]            = WL18XX_REG_INTERRUPT_TRIG_H,
        [REG_INTERRUPT_MASK]            = WL18XX_REG_INTERRUPT_MASK,
        [REG_PC_ON_RECOVERY]            = WL18XX_SCR_PAD4,
        [REG_CHIP_ID_B]                 = WL18XX_REG_CHIP_ID_B,
        [REG_CMD_MBOX_ADDRESS]          = WL18XX_CMD_MBOX_ADDRESS,

        /* data access memory addresses, used with partition translation */
        [REG_SLV_MEM_DATA]              = WL18XX_SLV_MEM_DATA,
        [REG_SLV_REG_DATA]              = WL18XX_SLV_REG_DATA,

        /* raw data access memory addresses */
        [REG_RAW_FW_STATUS_ADDR]        = WL18XX_FW_STATUS_ADDR,
};

static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = {
        [CLOCK_CONFIG_16_2_M]   = { 8,  121, 0, 0, false },
        [CLOCK_CONFIG_16_368_M] = { 8,  120, 0, 0, false },
        [CLOCK_CONFIG_16_8_M]   = { 8,  117, 0, 0, false },
        [CLOCK_CONFIG_19_2_M]   = { 10, 128, 0, 0, false },
        [CLOCK_CONFIG_26_M]     = { 11, 104, 0, 0, false },
        [CLOCK_CONFIG_32_736_M] = { 8,  120, 0, 0, false },
        [CLOCK_CONFIG_33_6_M]   = { 8,  117, 0, 0, false },
        [CLOCK_CONFIG_38_468_M] = { 10, 128, 0, 0, false },
        [CLOCK_CONFIG_52_M]     = { 11, 104, 0, 0, false },
};

static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = {
        [CLOCK_CONFIG_16_2_M]   = { 7,  104,  801, 4,  true },
        [CLOCK_CONFIG_16_368_M] = { 9,  132, 3751, 4,  true },
        [CLOCK_CONFIG_16_8_M]   = { 7,  100,    0, 0, false },
        [CLOCK_CONFIG_19_2_M]   = { 8,  100,    0, 0, false },
        [CLOCK_CONFIG_26_M]     = { 13, 120,    0, 0, false },
        [CLOCK_CONFIG_32_736_M] = { 9,  132, 3751, 4,  true },
        [CLOCK_CONFIG_33_6_M]   = { 7,  100,    0, 0, false },
        [CLOCK_CONFIG_38_468_M] = { 8,  100,    0, 0, false },
        [CLOCK_CONFIG_52_M]     = { 13, 120,    0, 0, false },
};

/* TODO: maybe move to a new header file? */
#define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-4.bin"

static int wl18xx_identify_chip(struct wl1271 *wl)
{
        int ret = 0;

        switch (wl->chip.id) {
        case CHIP_ID_185x_PG20:
                wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)",
                                 wl->chip.id);
                wl->sr_fw_name = WL18XX_FW_NAME;
                /* wl18xx uses the same firmware for PLT */
                wl->plt_fw_name = WL18XX_FW_NAME;
                wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
                              WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
                              WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
                              WLCORE_QUIRK_TX_PAD_LAST_FRAME |
                              WLCORE_QUIRK_REGDOMAIN_CONF |
                              WLCORE_QUIRK_DUAL_PROBE_TMPL;

                wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER,
                                      WL18XX_IFTYPE_VER,  WL18XX_MAJOR_VER,
                                      WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER,
                                      /* there's no separate multi-role FW */
                                      0, 0, 0, 0);
                break;
        case CHIP_ID_185x_PG10:
                wl1271_warning("chip id 0x%x (185x PG10) is deprecated",
                               wl->chip.id);
                ret = -ENODEV;
                goto out;

        default:
                wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
                ret = -ENODEV;
                goto out;
        }

        wl->fw_mem_block_size = 272;
        wl->fwlog_end = 0x40000000;

        wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
        wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
        wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
        wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
        wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
        wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
out:
        return ret;
}

static int wl18xx_set_clk(struct wl1271 *wl)
{
        u16 clk_freq;
        int ret;

        ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
        if (ret < 0)
                goto out;

        /* TODO: PG2: apparently we need to read the clk type */

        ret = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT, &clk_freq);
        if (ret < 0)
                goto out;

        wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq,
                     wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m,
                     wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q,
                     wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit");

        /* coex PLL configuration */
        ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N,
                                   wl18xx_clk_table_coex[clk_freq].n);
        if (ret < 0)
                goto out;

        ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M,
                                   wl18xx_clk_table_coex[clk_freq].m);
        if (ret < 0)
                goto out;

        /* bypass the swallowing logic */
        ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
                                   PLLSH_COEX_PLL_SWALLOW_EN_VAL1);
        if (ret < 0)
                goto out;

        ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N,
                                   wl18xx_clk_table[clk_freq].n);
        if (ret < 0)
                goto out;

        ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M,
                                   wl18xx_clk_table[clk_freq].m);
        if (ret < 0)
                goto out;

        if (wl18xx_clk_table[clk_freq].swallow) {
                /* first the 16 lower bits */
                ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1,
                                           wl18xx_clk_table[clk_freq].q &
                                           PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK);
                if (ret < 0)
                        goto out;

                /* then the 16 higher bits, masked out */
                ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2,
                                        (wl18xx_clk_table[clk_freq].q >> 16) &
                                        PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK);
                if (ret < 0)
                        goto out;

                /* first the 16 lower bits */
                ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1,
                                           wl18xx_clk_table[clk_freq].p &
                                           PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK);
                if (ret < 0)
                        goto out;

                /* then the 16 higher bits, masked out */
                ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2,
                                        (wl18xx_clk_table[clk_freq].p >> 16) &
                                        PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK);
                if (ret < 0)
                        goto out;
        } else {
                ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
                                           PLLSH_WCS_PLL_SWALLOW_EN_VAL2);
                if (ret < 0)
                        goto out;
        }

        /* choose WCS PLL */
        ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL,
                                   PLLSH_WL_PLL_SEL_WCS_PLL);
        if (ret < 0)
                goto out;

        /* enable both PLLs */
        ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1);
        if (ret < 0)
                goto out;

        udelay(1000);

        /* disable coex PLL */
        ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2);
        if (ret < 0)
                goto out;

        /* reset the swallowing logic */
        ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN,
                                   PLLSH_COEX_PLL_SWALLOW_EN_VAL2);

out:
        return ret;
}

static int wl18xx_boot_soft_reset(struct wl1271 *wl)
{
        int ret;

        /* disable Rx/Tx */
        ret = wlcore_write32(wl, WL18XX_ENABLE, 0x0);
        if (ret < 0)
                goto out;

        /* disable auto calibration on start*/
        ret = wlcore_write32(wl, WL18XX_SPARE_A2, 0xffff);

out:
        return ret;
}

static int wl18xx_pre_boot(struct wl1271 *wl)
{
        int ret;

        ret = wl18xx_set_clk(wl);
        if (ret < 0)
                goto out;

        /* Continue the ELP wake up sequence */
        ret = wlcore_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
        if (ret < 0)
                goto out;

        udelay(500);

        ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
        if (ret < 0)
                goto out;

        /* Disable interrupts */
        ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
        if (ret < 0)
                goto out;

        ret = wl18xx_boot_soft_reset(wl);

out:
        return ret;
}

static int wl18xx_pre_upload(struct wl1271 *wl)
{
        u32 tmp;
        int ret;
        u16 irq_invert;

        BUILD_BUG_ON(sizeof(struct wl18xx_mac_and_phy_params) >
                WL18XX_PHY_INIT_MEM_SIZE);

        ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
        if (ret < 0)
                goto out;

        /* TODO: check if this is all needed */
        ret = wlcore_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
        if (ret < 0)
                goto out;

        ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &tmp);
        if (ret < 0)
                goto out;

        wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);

        ret = wlcore_read32(wl, WL18XX_SCR_PAD2, &tmp);
        if (ret < 0)
                goto out;

        /*
         * Workaround for FDSP code RAM corruption (needed for PG2.1
         * and newer; for older chips it's a NOP).  Change FDSP clock
         * settings so that it's muxed to the ATGP clock instead of
         * its own clock.
         */

        ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
        if (ret < 0)
                goto out;

        /* disable FDSP clock */
        ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
                             MEM_FDSP_CLK_120_DISABLE);
        if (ret < 0)
                goto out;

        /* set ATPG clock toward FDSP Code RAM rather than its own clock */
        ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
                             MEM_FDSP_CODERAM_FUNC_CLK_SEL);
        if (ret < 0)
                goto out;

        /* re-enable FDSP clock */
        ret = wlcore_write32(wl, WL18XX_PHY_FPGA_SPARE_1,
                             MEM_FDSP_CLK_120_ENABLE);
        if (ret < 0)
                goto out;

        ret = irq_get_trigger_type(wl->irq);
        if ((ret == IRQ_TYPE_LEVEL_LOW) || (ret == IRQ_TYPE_EDGE_FALLING)) {
                wl1271_info("using inverted interrupt logic: %d", ret);
                ret = wlcore_set_partition(wl,
                                           &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
                if (ret < 0)
                        goto out;

                ret = wl18xx_top_reg_read(wl, TOP_FN0_CCCR_REG_32, &irq_invert);
                if (ret < 0)
                        goto out;

                irq_invert |= BIT(1);
                ret = wl18xx_top_reg_write(wl, TOP_FN0_CCCR_REG_32, irq_invert);
                if (ret < 0)
                        goto out;

                ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
        }

out:
        return ret;
}

static int wl18xx_set_mac_and_phy(struct wl1271 *wl)
{
        struct wl18xx_priv *priv = wl->priv;
        struct wl18xx_mac_and_phy_params *params;
        int ret;

        params = kmemdup(&priv->conf.phy, sizeof(*params), GFP_KERNEL);
        if (!params) {
                ret = -ENOMEM;
                goto out;
        }

        ret = wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
        if (ret < 0)
                goto out;

        ret = wlcore_write(wl, WL18XX_PHY_INIT_MEM_ADDR, params,
                           sizeof(*params), false);

out:
        kfree(params);
        return ret;
}

static int wl18xx_enable_interrupts(struct wl1271 *wl)
{
        u32 event_mask, intr_mask;
        int ret;

        event_mask = WL18XX_ACX_EVENTS_VECTOR;
        intr_mask = WL18XX_INTR_MASK;

        ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask);
        if (ret < 0)
                goto out;

        wlcore_enable_interrupts(wl);

        ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK,
                               WL1271_ACX_INTR_ALL & ~intr_mask);
        if (ret < 0)
                goto disable_interrupts;

        return ret;

disable_interrupts:
        wlcore_disable_interrupts(wl);

out:
        return ret;
}

static int wl18xx_boot(struct wl1271 *wl)
{
        int ret;

        ret = wl18xx_pre_boot(wl);
        if (ret < 0)
                goto out;

        ret = wl18xx_pre_upload(wl);
        if (ret < 0)
                goto out;

        ret = wlcore_boot_upload_firmware(wl);
        if (ret < 0)
                goto out;

        ret = wl18xx_set_mac_and_phy(wl);
        if (ret < 0)
                goto out;

        wl->event_mask = BSS_LOSS_EVENT_ID |
                SCAN_COMPLETE_EVENT_ID |
                RADAR_DETECTED_EVENT_ID |
                RSSI_SNR_TRIGGER_0_EVENT_ID |
                PERIODIC_SCAN_COMPLETE_EVENT_ID |
                PERIODIC_SCAN_REPORT_EVENT_ID |
                DUMMY_PACKET_EVENT_ID |
                PEER_REMOVE_COMPLETE_EVENT_ID |
                BA_SESSION_RX_CONSTRAINT_EVENT_ID |
                REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
                INACTIVE_STA_EVENT_ID |
                CHANNEL_SWITCH_COMPLETE_EVENT_ID |
                DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
                SMART_CONFIG_SYNC_EVENT_ID |
                SMART_CONFIG_DECODE_EVENT_ID |
                TIME_SYNC_EVENT_ID |
                FW_LOGGER_INDICATION |
                RX_BA_WIN_SIZE_CHANGE_EVENT_ID;

        wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;

        ret = wlcore_boot_run_firmware(wl);
        if (ret < 0)
                goto out;

        ret = wl18xx_enable_interrupts(wl);

out:
        return ret;
}

static int wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
                               void *buf, size_t len)
{
        struct wl18xx_priv *priv = wl->priv;

        memcpy(priv->cmd_buf, buf, len);
        memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);

        return wlcore_write(wl, cmd_box_addr, priv->cmd_buf,
                            WL18XX_CMD_MAX_SIZE, false);
}

static int wl18xx_ack_event(struct wl1271 *wl)
{
        return wlcore_write_reg(wl, REG_INTERRUPT_TRIG,
                                WL18XX_INTR_TRIG_EVENT_ACK);
}

static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
{
        u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
        return (len + blk_size - 1) / blk_size + spare_blks;
}

static void
wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
                          u32 blks, u32 spare_blks)
{
        desc->wl18xx_mem.total_mem_blocks = blks;
}

static void
wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
                            struct sk_buff *skb)
{
        desc->length = cpu_to_le16(skb->len);

        /* if only the last frame is to be padded, we unset this bit on Tx */
        if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME)
                desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED;
        else
                desc->wl18xx_mem.ctrl = 0;

        wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
                     "len: %d life: %d mem: %d", desc->hlid,
                     le16_to_cpu(desc->length),
                     le16_to_cpu(desc->life_time),
                     desc->wl18xx_mem.total_mem_blocks);
}

static enum wl_rx_buf_align
wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
{
        if (rx_desc & RX_BUF_PADDED_PAYLOAD)
                return WLCORE_RX_BUF_PADDED;

        return WLCORE_RX_BUF_ALIGNED;
}

static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
                                    u32 data_len)
{
        struct wl1271_rx_descriptor *desc = rx_data;

        /* invalid packet */
        if (data_len < sizeof(*desc))
                return 0;

        return data_len - sizeof(*desc);
}

static void wl18xx_tx_immediate_completion(struct wl1271 *wl)
{
        wl18xx_tx_immediate_complete(wl);
}

static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk)
{
        int ret;
        u32 sdio_align_size = 0;
        u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE |
                              HOST_IF_CFG_ADD_RX_ALIGNMENT;

        /* Enable Tx SDIO padding */
        if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) {
                host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
                sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
        }

        /* Enable Rx SDIO padding */
        if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) {
                host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK;
                sdio_align_size = WL12XX_BUS_BLOCK_SIZE;
        }

        ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap,
                                            sdio_align_size, extra_mem_blk,
                                            WL18XX_HOST_IF_LEN_SIZE_FIELD);
        if (ret < 0)
                return ret;

        return 0;
}

static int wl18xx_hw_init(struct wl1271 *wl)
{
        int ret;
        struct wl18xx_priv *priv = wl->priv;

        /* (re)init private structures. Relevant on recovery as well. */
        priv->last_fw_rls_idx = 0;
        priv->extra_spare_key_count = 0;

        /* set the default amount of spare blocks in the bitmap */
        ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE);
        if (ret < 0)
                return ret;

        /* set the dynamic fw traces bitmap */
        ret = wl18xx_acx_dynamic_fw_traces(wl);
        if (ret < 0)
                return ret;

        if (checksum_param) {
                ret = wl18xx_acx_set_checksum_state(wl);
                if (ret != 0)
                        return ret;
        }

        return ret;
}

static void wl18xx_convert_fw_status_8_9_1(struct wl1271 *wl,
                                           void *raw_fw_status,
                                           struct wl_fw_status *fw_status)
{
        struct wl18xx_fw_status_8_9_1 *int_fw_status = raw_fw_status;

        fw_status->intr = le32_to_cpu(int_fw_status->intr);
        fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
        fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
        fw_status->tx_results_counter = int_fw_status->tx_results_counter;
        fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;

        fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
        fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
        fw_status->link_fast_bitmap =
                        le32_to_cpu(int_fw_status->link_fast_bitmap);
        fw_status->total_released_blks =
                        le32_to_cpu(int_fw_status->total_released_blks);
        fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);

        fw_status->counters.tx_released_pkts =
                        int_fw_status->counters.tx_released_pkts;
        fw_status->counters.tx_lnk_free_pkts =
                        int_fw_status->counters.tx_lnk_free_pkts;
        fw_status->counters.tx_lnk_sec_pn16 =
                        int_fw_status->counters.tx_lnk_sec_pn16;
        fw_status->counters.tx_voice_released_blks =
                        int_fw_status->counters.tx_voice_released_blks;
        fw_status->counters.tx_last_rate =
                        int_fw_status->counters.tx_last_rate;
        fw_status->counters.tx_last_rate_mbps =
                        int_fw_status->counters.tx_last_rate_mbps;
        fw_status->counters.hlid =
                        int_fw_status->counters.hlid;

        fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);

        fw_status->priv = &int_fw_status->priv;
}

static void wl18xx_convert_fw_status_8_9_0(struct wl1271 *wl,
                                           void *raw_fw_status,
                                           struct wl_fw_status *fw_status)
{
        struct wl18xx_fw_status *int_fw_status = raw_fw_status;

        fw_status->intr = le32_to_cpu(int_fw_status->intr);
        fw_status->fw_rx_counter = int_fw_status->fw_rx_counter;
        fw_status->drv_rx_counter = int_fw_status->drv_rx_counter;
        fw_status->tx_results_counter = int_fw_status->tx_results_counter;
        fw_status->rx_pkt_descs = int_fw_status->rx_pkt_descs;

        fw_status->fw_localtime = le32_to_cpu(int_fw_status->fw_localtime);
        fw_status->link_ps_bitmap = le32_to_cpu(int_fw_status->link_ps_bitmap);
        fw_status->link_fast_bitmap =
                        le32_to_cpu(int_fw_status->link_fast_bitmap);
        fw_status->total_released_blks =
                        le32_to_cpu(int_fw_status->total_released_blks);
        fw_status->tx_total = le32_to_cpu(int_fw_status->tx_total);

        fw_status->counters.tx_released_pkts =
                        int_fw_status->counters.tx_released_pkts;
        fw_status->counters.tx_lnk_free_pkts =
                        int_fw_status->counters.tx_lnk_free_pkts;
        fw_status->counters.tx_voice_released_blks =
                        int_fw_status->counters.tx_voice_released_blks;
        fw_status->counters.tx_last_rate =
                        int_fw_status->counters.tx_last_rate;
        fw_status->counters.tx_last_rate_mbps =
                        int_fw_status->counters.tx_last_rate_mbps;
        fw_status->counters.hlid =
                        int_fw_status->counters.hlid;

        fw_status->log_start_addr = le32_to_cpu(int_fw_status->log_start_addr);

        fw_status->priv = &int_fw_status->priv;
}

static void wl18xx_convert_fw_status(struct wl1271 *wl, void *raw_fw_status,
                                     struct wl_fw_status *fw_status)
{
        if (wl->chip.fw_ver[FW_VER_MAJOR] == 0)
                wl18xx_convert_fw_status_8_9_0(wl, raw_fw_status, fw_status);
        else
                wl18xx_convert_fw_status_8_9_1(wl, raw_fw_status, fw_status);
}

static void wl18xx_set_tx_desc_csum(struct wl1271 *wl,
                                    struct wl1271_tx_hw_descr *desc,
                                    struct sk_buff *skb)
{
        u32 ip_hdr_offset;
        struct iphdr *ip_hdr;

        if (!checksum_param) {
                desc->wl18xx_checksum_data = 0;
                return;
        }

        if (skb->ip_summed != CHECKSUM_PARTIAL) {
                desc->wl18xx_checksum_data = 0;
                return;
        }

        ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb);
        if (WARN_ON(ip_hdr_offset >= (1<<7))) {
                desc->wl18xx_checksum_data = 0;
                return;
        }

        desc->wl18xx_checksum_data = ip_hdr_offset << 1;

        /* FW is interested only in the LSB of the protocol  TCP=0 UDP=1 */
        ip_hdr = (void *)skb_network_header(skb);
        desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01);
}

static void wl18xx_set_rx_csum(struct wl1271 *wl,
                               struct wl1271_rx_descriptor *desc,
                               struct sk_buff *skb)
{
        if (desc->status & WL18XX_RX_CHECKSUM_MASK)
                skb->ip_summed = CHECKSUM_UNNECESSARY;
}

static bool wl18xx_is_mimo_supported(struct wl1271 *wl)
{
        struct wl18xx_priv *priv = wl->priv;

        /* only support MIMO with multiple antennas, and when SISO
         * is not forced through config
         */
        return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) &&
               (priv->conf.ht.mode != HT_MODE_WIDE) &&
               (priv->conf.ht.mode != HT_MODE_SISO20);
}

/*
 * TODO: instead of having these two functions to get the rate mask,
 * we should modify the wlvif->rate_set instead
 */
static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl,
                                       struct wl12xx_vif *wlvif)
{
        u32 hw_rate_set = wlvif->rate_set;

        if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
            wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
                wl1271_debug(DEBUG_ACX, "using wide channel rate mask");
                hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN;

                /* we don't support MIMO in wide-channel mode */
                hw_rate_set &= ~CONF_TX_MIMO_RATES;
        } else if (wl18xx_is_mimo_supported(wl)) {
                wl1271_debug(DEBUG_ACX, "using MIMO channel rate mask");
                hw_rate_set |= CONF_TX_MIMO_RATES;
        }

        return hw_rate_set;
}

static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
                                             struct wl12xx_vif *wlvif)
{
        if (wlvif->channel_type == NL80211_CHAN_HT40MINUS ||
            wlvif->channel_type == NL80211_CHAN_HT40PLUS) {
                wl1271_debug(DEBUG_ACX, "using wide channel rate mask");

                /* sanity check - we don't support this */
                if (WARN_ON(wlvif->band != NL80211_BAND_5GHZ))
                        return 0;

                return CONF_TX_RATE_USE_WIDE_CHAN;
        } else if (wl18xx_is_mimo_supported(wl) &&
                   wlvif->band == NL80211_BAND_2GHZ) {
                wl1271_debug(DEBUG_ACX, "using MIMO rate mask");
                /*
                 * we don't care about HT channel here - if a peer doesn't
                 * support MIMO, we won't enable it in its rates
                 */
                return CONF_TX_MIMO_RATES;
        } else {
                return 0;
        }
}

static const char *wl18xx_rdl_name(enum wl18xx_rdl_num rdl_num)
{
        switch (rdl_num) {
        case RDL_1_HP:
                return "183xH";
        case RDL_2_SP:
                return "183x or 180x";
        case RDL_3_HP:
                return "187xH";
        case RDL_4_SP:
                return "187x";
        case RDL_5_SP:
                return "RDL11 - Not Supported";
        case RDL_6_SP:
                return "180xD";
        case RDL_7_SP:
                return "RDL13 - Not Supported (1893Q)";
        case RDL_8_SP:
                return "18xxQ";
        case RDL_NONE:
                return "UNTRIMMED";
        default:
                return "UNKNOWN";
        }
}

static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
{
        u32 fuse;
        s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0, package_type = 0;
        int ret;

        ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
        if (ret < 0)
                goto out;

        ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
        if (ret < 0)
                goto out;

        package_type = (fuse >> WL18XX_PACKAGE_TYPE_OFFSET) & 1;

        ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_1_3, &fuse);
        if (ret < 0)
                goto out;

        pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
        rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;

        if ((rom <= 0xE) && (package_type == WL18XX_PACKAGE_TYPE_WSP))
                metal = (fuse & WL18XX_METAL_VER_MASK) >>
                        WL18XX_METAL_VER_OFFSET;
        else
                metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
                        WL18XX_NEW_METAL_VER_OFFSET;

        ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
        if (ret < 0)
                goto out;

        rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;

        wl1271_info("wl18xx HW: %s, PG %d.%d (ROM 0x%x)",
                    wl18xx_rdl_name(rdl_ver), pg_ver, metal, rom);

        if (ver)
                *ver = pg_ver;

        ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);

out:
        return ret;
}

static int wl18xx_load_conf_file(struct device *dev, struct wlcore_conf *conf,
                                 struct wl18xx_priv_conf *priv_conf,
                                 const char *file)
{
        struct wlcore_conf_file *conf_file;
        const struct firmware *fw;
        int ret;

        ret = request_firmware(&fw, file, dev);
        if (ret < 0) {
                wl1271_error("could not get configuration binary %s: %d",
                             file, ret);
                return ret;
        }

        if (fw->size != WL18XX_CONF_SIZE) {
                wl1271_error("%s configuration binary size is wrong, expected %zu got %zu",
                             file, WL18XX_CONF_SIZE, fw->size);
                ret = -EINVAL;
                goto out_release;
        }

        conf_file = (struct wlcore_conf_file *) fw->data;

        if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) {
                wl1271_error("configuration binary file magic number mismatch, "
                             "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC,
                             conf_file->header.magic);
                ret = -EINVAL;
                goto out_release;
        }

        if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) {
                wl1271_error("configuration binary file version not supported, "
                             "expected 0x%08x got 0x%08x",
                             WL18XX_CONF_VERSION, conf_file->header.version);
                ret = -EINVAL;
                goto out_release;
        }

        memcpy(conf, &conf_file->core, sizeof(*conf));
        memcpy(priv_conf, &conf_file->priv, sizeof(*priv_conf));

out_release:
        release_firmware(fw);
        return ret;
}

static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
{
        struct platform_device *pdev = wl->pdev;
        struct wlcore_platdev_data *pdata = dev_get_platdata(&pdev->dev);
        struct wl18xx_priv *priv = wl->priv;

        if (wl18xx_load_conf_file(dev, &wl->conf, &priv->conf,
                                  pdata->family->cfg_name) < 0) {
                wl1271_warning("falling back to default config");

                /* apply driver default configuration */
                memcpy(&wl->conf, &wl18xx_conf, sizeof(wl->conf));
                /* apply default private configuration */
                memcpy(&priv->conf, &wl18xx_default_priv_conf,
                       sizeof(priv->conf));
        }

        return 0;
}

static int wl18xx_plt_init(struct wl1271 *wl)
{
        int ret;

        /* calibrator based auto/fem detect not supported for 18xx */
        if (wl->plt_mode == PLT_FEM_DETECT) {
                wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
                return -EINVAL;
        }

        ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
        if (ret < 0)
                return ret;

        return wl->ops->boot(wl);
}

static int wl18xx_get_mac(struct wl1271 *wl)
{
        u32 mac1, mac2;
        int ret;

        ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
        if (ret < 0)
                goto out;

        ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1, &mac1);
        if (ret < 0)
                goto out;

        ret = wlcore_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2, &mac2);
        if (ret < 0)
                goto out;

        /* these are the two parts of the BD_ADDR */
        wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
                ((mac1 & 0xff000000) >> 24);
        wl->fuse_nic_addr = (mac1 & 0xffffff);

        if (!wl->fuse_oui_addr && !wl->fuse_nic_addr) {
                u8 mac[ETH_ALEN];

                eth_random_addr(mac);

                wl->fuse_oui_addr = (mac[0] << 16) + (mac[1] << 8) + mac[2];
                wl->fuse_nic_addr = (mac[3] << 16) + (mac[4] << 8) + mac[5];
                wl1271_warning("MAC address from fuse not available, using random locally administered addresses.");
        }

        ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);

out:
        return ret;
}

static int wl18xx_handle_static_data(struct wl1271 *wl,
                                     struct wl1271_static_data *static_data)
{
        struct wl18xx_static_data_priv *static_data_priv =
                (struct wl18xx_static_data_priv *) static_data->priv;
        size_t fw_status_len;

        strscpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
                sizeof(wl->chip.phy_fw_ver_str));

        wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);

        /* Adjust the firmware status size according to the firmware version */
        if (wl->chip.fw_ver[FW_VER_MAJOR] == 0)
                fw_status_len = sizeof(struct wl18xx_fw_status);
        else
                fw_status_len = sizeof(struct wl18xx_fw_status_8_9_1);

        if (wl->fw_status_len != fw_status_len) {
                void *new_status = krealloc(wl->raw_fw_status, fw_status_len,
                                            GFP_KERNEL | __GFP_ZERO);
                if (!new_status)
                        return -ENOMEM;

                wl->raw_fw_status = new_status;
                wl->fw_status_len = fw_status_len;
        }

        return 0;
}

static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem)
{
        struct wl18xx_priv *priv = wl->priv;

        /* If we have keys requiring extra spare, indulge them */
        if (priv->extra_spare_key_count)
                return WL18XX_TX_HW_EXTRA_BLOCK_SPARE;

        return WL18XX_TX_HW_BLOCK_SPARE;
}

static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
                          struct ieee80211_vif *vif,
                          struct ieee80211_sta *sta,
                          struct ieee80211_key_conf *key_conf)
{
        struct wl18xx_priv *priv = wl->priv;
        bool change_spare = false, special_enc;
        int ret;

        wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d",
                     priv->extra_spare_key_count);

        special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM ||
                      key_conf->cipher == WLAN_CIPHER_SUITE_TKIP;

        ret = wlcore_set_key(wl, cmd, vif, sta, key_conf);
        if (ret < 0)
                goto out;

        /*
         * when adding the first or removing the last GEM/TKIP key,
         * we have to adjust the number of spare blocks.
         */
        if (special_enc) {
                if (cmd == SET_KEY) {
                        /* first key */
                        change_spare = (priv->extra_spare_key_count == 0);
                        priv->extra_spare_key_count++;
                } else if (cmd == DISABLE_KEY) {
                        /* last key */
                        change_spare = (priv->extra_spare_key_count == 1);
                        priv->extra_spare_key_count--;
                }
        }

        wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d",
                     priv->extra_spare_key_count);

        if (!change_spare)
                goto out;

        /* key is now set, change the spare blocks */
        if (priv->extra_spare_key_count)
                ret = wl18xx_set_host_cfg_bitmap(wl,
                                        WL18XX_TX_HW_EXTRA_BLOCK_SPARE);
        else
                ret = wl18xx_set_host_cfg_bitmap(wl,
                                        WL18XX_TX_HW_BLOCK_SPARE);

out:
        return ret;
}

static u32 wl18xx_pre_pkt_send(struct wl1271 *wl,
                               u32 buf_offset, u32 last_len)
{
        if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) {
                struct wl1271_tx_hw_descr *last_desc;

                /* get the last TX HW descriptor written to the aggr buf */
                last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf +
                                                        buf_offset - last_len);

                /* the last frame is padded up to an SDIO block */
                last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED;
                return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE);
        }

        /* no modifications */
        return buf_offset;
}

static void wl18xx_sta_rc_update(struct wl1271 *wl,
                                 struct wl12xx_vif *wlvif)
{
        bool wide = wlvif->rc_update_bw >= IEEE80211_STA_RX_BW_40;

        wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);

        /* sanity */
        if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
                return;

        /* ignore the change before association */
        if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
                return;

        /*
         * If we started out as wide, we can change the operation mode. If we
         * thought this was a 20mhz AP, we have to reconnect
         */
        if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS ||
            wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS)
                wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide);
        else
                ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif));
}

static int wl18xx_set_peer_cap(struct wl1271 *wl,
                               struct ieee80211_sta_ht_cap *ht_cap,
                               bool allow_ht_operation,
                               u32 rate_set, u8 hlid)
{
        return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation,
                                       rate_set, hlid);
}

static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid,
                                 struct wl1271_link *lnk)
{
        u8 thold;
        struct wl18xx_fw_status_priv *status_priv =
                (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
        unsigned long suspend_bitmap;

        /* if we don't have the link map yet, assume they all low prio */
        if (!status_priv)
                return false;

        /* suspended links are never high priority */
        suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
        if (test_bit(hlid, &suspend_bitmap))
                return false;

        /* the priority thresholds are taken from FW */
        if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
            !test_bit(hlid, &wl->ap_fw_ps_map))
                thold = status_priv->tx_fast_link_prio_threshold;
        else
                thold = status_priv->tx_slow_link_prio_threshold;

        return lnk->allocated_pkts < thold;
}

static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid,
                                struct wl1271_link *lnk)
{
        u8 thold;
        struct wl18xx_fw_status_priv *status_priv =
                (struct wl18xx_fw_status_priv *)wl->fw_status->priv;
        unsigned long suspend_bitmap;

        /* if we don't have the link map yet, assume they all low prio */
        if (!status_priv)
                return true;

        suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
        if (test_bit(hlid, &suspend_bitmap))
                thold = status_priv->tx_suspend_threshold;
        else if (test_bit(hlid, &wl->fw_fast_lnk_map) &&
                 !test_bit(hlid, &wl->ap_fw_ps_map))
                thold = status_priv->tx_fast_stop_threshold;
        else
                thold = status_priv->tx_slow_stop_threshold;

        return lnk->allocated_pkts < thold;
}

static u32 wl18xx_convert_hwaddr(struct wl1271 *wl, u32 hwaddr)
{
        return hwaddr & ~0x80000000;
}

static int wl18xx_setup(struct wl1271 *wl);

static struct wlcore_ops wl18xx_ops = {
        .setup          = wl18xx_setup,
        .identify_chip  = wl18xx_identify_chip,
        .boot           = wl18xx_boot,
        .plt_init       = wl18xx_plt_init,
        .trigger_cmd    = wl18xx_trigger_cmd,
        .ack_event      = wl18xx_ack_event,
        .wait_for_event = wl18xx_wait_for_event,
        .process_mailbox_events = wl18xx_process_mailbox_events,
        .calc_tx_blocks = wl18xx_calc_tx_blocks,
        .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
        .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
        .get_rx_buf_align = wl18xx_get_rx_buf_align,
        .get_rx_packet_len = wl18xx_get_rx_packet_len,
        .tx_immediate_compl = wl18xx_tx_immediate_completion,
        .tx_delayed_compl = NULL,
        .hw_init        = wl18xx_hw_init,
        .convert_fw_status = wl18xx_convert_fw_status,
        .set_tx_desc_csum = wl18xx_set_tx_desc_csum,
        .get_pg_ver     = wl18xx_get_pg_ver,
        .set_rx_csum = wl18xx_set_rx_csum,
        .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask,
        .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask,
        .get_mac        = wl18xx_get_mac,
        .debugfs_init   = wl18xx_debugfs_add_files,
        .scan_start     = wl18xx_scan_start,
        .scan_stop      = wl18xx_scan_stop,
        .sched_scan_start       = wl18xx_sched_scan_start,
        .sched_scan_stop        = wl18xx_scan_sched_scan_stop,
        .handle_static_data     = wl18xx_handle_static_data,
        .get_spare_blocks = wl18xx_get_spare_blocks,
        .set_key        = wl18xx_set_key,
        .channel_switch = wl18xx_cmd_channel_switch,
        .pre_pkt_send   = wl18xx_pre_pkt_send,
        .sta_rc_update  = wl18xx_sta_rc_update,
        .set_peer_cap   = wl18xx_set_peer_cap,
        .convert_hwaddr = wl18xx_convert_hwaddr,
        .lnk_high_prio  = wl18xx_lnk_high_prio,
        .lnk_low_prio   = wl18xx_lnk_low_prio,
        .smart_config_start = wl18xx_cmd_smart_config_start,
        .smart_config_stop  = wl18xx_cmd_smart_config_stop,
        .smart_config_set_group_key = wl18xx_cmd_smart_config_set_group_key,
        .interrupt_notify = wl18xx_acx_interrupt_notify_config,
        .rx_ba_filter   = wl18xx_acx_rx_ba_filter,
        .ap_sleep       = wl18xx_acx_ap_sleep,
        .set_cac        = wl18xx_cmd_set_cac,
        .dfs_master_restart     = wl18xx_cmd_dfs_master_restart,
};

/* HT cap appropriate for wide channels in 2Ghz */
static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
        .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
               IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 |
               IEEE80211_HT_CAP_GRN_FLD,
        .ht_supported = true,
        .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
        .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
        .mcs = {
                .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
                .rx_highest = cpu_to_le16(150),
                .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
                },
};

/* HT cap appropriate for wide channels in 5Ghz */
static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
        .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
               IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
               IEEE80211_HT_CAP_GRN_FLD,
        .ht_supported = true,
        .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
        .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
        .mcs = {
                .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
                .rx_highest = cpu_to_le16(150),
                .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
                },
};

/* HT cap appropriate for SISO 20 */
static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
        .cap = IEEE80211_HT_CAP_SGI_20 |
               IEEE80211_HT_CAP_GRN_FLD,
        .ht_supported = true,
        .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
        .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
        .mcs = {
                .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
                .rx_highest = cpu_to_le16(72),
                .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
                },
};

/* HT cap appropriate for MIMO rates in 20mhz channel */
static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
        .cap = IEEE80211_HT_CAP_SGI_20 |
               IEEE80211_HT_CAP_GRN_FLD,
        .ht_supported = true,
        .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
        .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
        .mcs = {
                .rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
                .rx_highest = cpu_to_le16(144),
                .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
                },
};

static const struct ieee80211_iface_limit wl18xx_iface_limits[] = {
        {
                .max = 2,
                .types = BIT(NL80211_IFTYPE_STATION),
        },
        {
                .max = 1,
                .types =   BIT(NL80211_IFTYPE_AP)
                         | BIT(NL80211_IFTYPE_P2P_GO)
                         | BIT(NL80211_IFTYPE_P2P_CLIENT)
#ifdef CONFIG_MAC80211_MESH
                         | BIT(NL80211_IFTYPE_MESH_POINT)
#endif
        },
        {
                .max = 1,
                .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
        },
};

static const struct ieee80211_iface_limit wl18xx_iface_ap_limits[] = {
        {
                .max = 2,
                .types = BIT(NL80211_IFTYPE_AP),
        },
#ifdef CONFIG_MAC80211_MESH
        {
                .max = 1,
                .types = BIT(NL80211_IFTYPE_MESH_POINT),
        },
#endif
        {
                .max = 1,
                .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
        },
};

static const struct ieee80211_iface_combination
wl18xx_iface_combinations[] = {
        {
                .max_interfaces = 3,
                .limits = wl18xx_iface_limits,
                .n_limits = ARRAY_SIZE(wl18xx_iface_limits),
                .num_different_channels = 2,
        },
        {
                .max_interfaces = 2,
                .limits = wl18xx_iface_ap_limits,
                .n_limits = ARRAY_SIZE(wl18xx_iface_ap_limits),
                .num_different_channels = 1,
                .radar_detect_widths =  BIT(NL80211_CHAN_NO_HT) |
                                        BIT(NL80211_CHAN_HT20) |
                                        BIT(NL80211_CHAN_HT40MINUS) |
                                        BIT(NL80211_CHAN_HT40PLUS),
        }
};

static int wl18xx_setup(struct wl1271 *wl)
{
        struct wl18xx_priv *priv = wl->priv;
        int ret;

        BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
        BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
        BUILD_BUG_ON(WL18XX_CONF_SG_PARAMS_MAX > WLCORE_CONF_SG_PARAMS_MAX);

        wl->rtable = wl18xx_rtable;
        wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
        wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
        wl->num_links = WL18XX_MAX_LINKS;
        wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
        wl->iface_combinations = wl18xx_iface_combinations;
        wl->n_iface_combinations = ARRAY_SIZE(wl18xx_iface_combinations);
        wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
        wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
        wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
        wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
        wl->fw_status_len = sizeof(struct wl18xx_fw_status);
        wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
        wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
        wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);

        if (num_rx_desc_param != -1)
                wl->num_rx_desc = num_rx_desc_param;

        ret = wl18xx_conf_init(wl, wl->dev);
        if (ret < 0)
                return ret;

        /* If the module param is set, update it in conf */
        if (board_type_param) {
                if (!strcmp(board_type_param, "fpga")) {
                        priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX;
                } else if (!strcmp(board_type_param, "hdk")) {
                        priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX;
                } else if (!strcmp(board_type_param, "dvp")) {
                        priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX;
                } else if (!strcmp(board_type_param, "evb")) {
                        priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX;
                } else if (!strcmp(board_type_param, "com8")) {
                        priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX;
                } else {
                        wl1271_error("invalid board type '%s'",
                                board_type_param);
                        return -EINVAL;
                }
        }

        if (priv->conf.phy.board_type >= NUM_BOARD_TYPES) {
                wl1271_error("invalid board type '%d'",
                        priv->conf.phy.board_type);
                return -EINVAL;
        }

        if (low_band_component_param != -1)
                priv->conf.phy.low_band_component = low_band_component_param;
        if (low_band_component_type_param != -1)
                priv->conf.phy.low_band_component_type =
                        low_band_component_type_param;
        if (high_band_component_param != -1)
                priv->conf.phy.high_band_component = high_band_component_param;
        if (high_band_component_type_param != -1)
                priv->conf.phy.high_band_component_type =
                        high_band_component_type_param;
        if (pwr_limit_reference_11_abg_param != -1)
                priv->conf.phy.pwr_limit_reference_11_abg =
                        pwr_limit_reference_11_abg_param;
        if (n_antennas_2_param != -1)
                priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param;
        if (n_antennas_5_param != -1)
                priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param;
        if (dc2dc_param != -1)
                priv->conf.phy.external_pa_dc2dc = dc2dc_param;

        if (ht_mode_param) {
                if (!strcmp(ht_mode_param, "default"))
                        priv->conf.ht.mode = HT_MODE_DEFAULT;
                else if (!strcmp(ht_mode_param, "wide"))
                        priv->conf.ht.mode = HT_MODE_WIDE;
                else if (!strcmp(ht_mode_param, "siso20"))
                        priv->conf.ht.mode = HT_MODE_SISO20;
                else {
                        wl1271_error("invalid ht_mode '%s'", ht_mode_param);
                        return -EINVAL;
                }
        }

        if (priv->conf.ht.mode == HT_MODE_DEFAULT) {
                /*
                 * Only support mimo with multiple antennas. Fall back to
                 * siso40.
                 */
                if (wl18xx_is_mimo_supported(wl))
                        wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
                                          &wl18xx_mimo_ht_cap_2ghz);
                else
                        wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
                                          &wl18xx_siso40_ht_cap_2ghz);

                /* 5Ghz is always wide */
                wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
                                  &wl18xx_siso40_ht_cap_5ghz);
        } else if (priv->conf.ht.mode == HT_MODE_WIDE) {
                wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
                                  &wl18xx_siso40_ht_cap_2ghz);
                wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
                                  &wl18xx_siso40_ht_cap_5ghz);
        } else if (priv->conf.ht.mode == HT_MODE_SISO20) {
                wlcore_set_ht_cap(wl, NL80211_BAND_2GHZ,
                                  &wl18xx_siso20_ht_cap);
                wlcore_set_ht_cap(wl, NL80211_BAND_5GHZ,
                                  &wl18xx_siso20_ht_cap);
        }

        if (!checksum_param) {
                wl18xx_ops.set_rx_csum = NULL;
                wl18xx_ops.init_vif = NULL;
        }

        /* Enable 11a Band only if we have 5G antennas */
        wl->enable_11a = (priv->conf.phy.number_of_assembled_ant5 != 0);

        return 0;
}

static int wl18xx_probe(struct platform_device *pdev)
{
        struct wl1271 *wl;
        struct ieee80211_hw *hw;
        int ret;

        hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv),
                             WL18XX_AGGR_BUFFER_SIZE,
                             sizeof(struct wl18xx_event_mailbox));
        if (IS_ERR(hw)) {
                wl1271_error("can't allocate hw");
                ret = PTR_ERR(hw);
                goto out;
        }

        wl = hw->priv;
        wl->ops = &wl18xx_ops;
        wl->ptable = wl18xx_ptable;
        ret = wlcore_probe(wl, pdev);
        if (ret)
                goto out_free;

        return ret;

out_free:
        wlcore_free_hw(wl);
out:
        return ret;
}

static const struct platform_device_id wl18xx_id_table[] = {
        { "wl18xx", 0 },
        {  } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(platform, wl18xx_id_table);

static struct platform_driver wl18xx_driver = {
        .probe          = wl18xx_probe,
        .remove         = wlcore_remove,
        .id_table       = wl18xx_id_table,
        .driver         = {
                .name   = "wl18xx_driver",
        }
};

module_platform_driver(wl18xx_driver);
module_param_named(ht_mode, ht_mode_param, charp, 0400);
MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");

module_param_named(board_type, board_type_param, charp, 0400);
MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
                 "dvp");

module_param_named(checksum, checksum_param, bool, 0400);
MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");

module_param_named(dc2dc, dc2dc_param, int, 0400);
MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");

module_param_named(n_antennas_2, n_antennas_2_param, int, 0400);
MODULE_PARM_DESC(n_antennas_2,
                 "Number of installed 2.4GHz antennas: 1 (default) or 2");

module_param_named(n_antennas_5, n_antennas_5_param, int, 0400);
MODULE_PARM_DESC(n_antennas_5,
                 "Number of installed 5GHz antennas: 1 (default) or 2");

module_param_named(low_band_component, low_band_component_param, int, 0400);
MODULE_PARM_DESC(low_band_component, "Low band component: u8 "
                 "(default is 0x01)");

module_param_named(low_band_component_type, low_band_component_type_param,
                   int, 0400);
MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 "
                 "(default is 0x05 or 0x06 depending on the board_type)");

module_param_named(high_band_component, high_band_component_param, int, 0400);
MODULE_PARM_DESC(high_band_component, "High band component: u8, "
                 "(default is 0x01)");

module_param_named(high_band_component_type, high_band_component_type_param,
                   int, 0400);
MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 "
                 "(default is 0x09)");

module_param_named(pwr_limit_reference_11_abg,
                   pwr_limit_reference_11_abg_param, int, 0400);
MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
                 "(default is 0xc8)");

module_param_named(num_rx_desc, num_rx_desc_param, int, 0400);
MODULE_PARM_DESC(num_rx_desc_param,
                 "Number of Rx descriptors: u8 (default is 32)");

MODULE_DESCRIPTION("TI WiLink 8 wireless driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_FIRMWARE(WL18XX_FW_NAME);