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linux/drivers/net/wireless/ti/wl18xx/main.c

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/*
* This file is part of wl18xx
*
* Copyright (C) 2011 Texas Instruments
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 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 St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/ip.h>
#include <linux/firmware.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[] = {
[IEEE80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
[IEEE80211_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 = {
[CONF_SG_ACL_BT_MASTER_MIN_BR] = 10,
[CONF_SG_ACL_BT_MASTER_MAX_BR] = 180,
[CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10,
[CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180,
[CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10,
[CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80,
[CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10,
[CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80,
[CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8,
[CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8,
[CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20,
[CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20,
[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20,
[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35,
[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16,
[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35,
[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32,
[CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50,
[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28,
[CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50,
[CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10,
[CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20,
[CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75,
[CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15,
[CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27,
[CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17,
/* active scan params */
[CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
/* passive scan params */
[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800,
[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200,
[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
/* passive scan in dual antenna params */
[CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0,
[CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0,
[CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0,
/* general params */
[CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1,
[CONF_SG_ANTENNA_CONFIGURATION] = 0,
[CONF_SG_BEACON_MISS_PERCENT] = 60,
[CONF_SG_DHCP_TIME] = 5000,
[CONF_SG_RXT] = 1200,
[CONF_SG_TXT] = 1000,
[CONF_SG_ADAPTIVE_RXT_TXT] = 1,
[CONF_SG_GENERAL_USAGE_BIT_MAP] = 3,
[CONF_SG_HV3_MAX_SERVED] = 6,
[CONF_SG_PS_POLL_TIMEOUT] = 10,
[CONF_SG_UPSD_TIMEOUT] = 10,
[CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2,
[CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5,
[CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30,
/* AP params */
[CONF_AP_BEACON_MISS_TX] = 3,
[CONF_AP_RX_WINDOW_AFTER_BEACON] = 10,
[CONF_AP_BEACON_WINDOW_INTERVAL] = 2,
[CONF_AP_CONNECTION_PROTECTION_TIME] = 0,
[CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25,
[CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25,
/* CTS Diluting params */
[CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0,
[CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 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,
},
.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,
},
.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_ON_DEMAND,
.mem_blocks = 2,
.severity = 0,
.timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED,
.output = WL12XX_FWLOG_OUTPUT_HOST,
.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_DEFAULT,
},
.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 = 0x04,
.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,
.low_power_val = 0x08,
.med_power_val = 0x12,
.high_power_val = 0x18,
.low_power_val_2nd = 0x05,
.med_power_val_2nd = 0x0a,
.high_power_val_2nd = 0x14,
.external_pa_dc2dc = 0,
.number_of_assembled_ant2_4 = 2,
.number_of_assembled_ant5 = 1,
.tx_rf_margin = 1,
},
};
static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
[PART_TOP_PRCM_ELP_SOC] = {
.mem = { .start = 0x00A02000, .size = 0x00010000 },
.reg = { .start = 0x00807000, .size = 0x00005000 },
.mem2 = { .start = 0x00800000, .size = 0x0000B000 },
.mem3 = { .start = 0x00000000, .size = 0x00000000 },
},
[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 = 0x00000000, .size = 0x00000000 },
},
[PART_PHY_INIT] = {
.mem = { .start = 0x80926000,
.size = sizeof(struct wl18xx_mac_and_phy_params) },
.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[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-2.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->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;
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");
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);
} else {
ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN,
PLLSH_WCS_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;
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);
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 |
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 |
MAX_TX_FAILURE_EVENT_ID |
CHANNEL_SWITCH_COMPLETE_EVENT_ID |
DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
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;
if (checksum_param) {
ret = wl18xx_acx_set_checksum_state(wl);
if (ret != 0)
return ret;
}
return ret;
}
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 != IEEE80211_BAND_5GHZ))
return 0;
return CONF_TX_RATE_USE_WIDE_CHAN;
} else if (wl18xx_is_mimo_supported(wl) &&
wlvif->band == IEEE80211_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 int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
{
u32 fuse;
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_1_3, &fuse);
if (ret < 0)
goto out;
if (ver)
*ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
out:
return ret;
}
#define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin"
static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
{
struct wl18xx_priv *priv = wl->priv;
struct wlcore_conf_file *conf_file;
const struct firmware *fw;
int ret;
ret = request_firmware(&fw, WL18XX_CONF_FILE_NAME, dev);
if (ret < 0) {
wl1271_error("could not get configuration binary %s: %d",
WL18XX_CONF_FILE_NAME, ret);
goto out_fallback;
}
if (fw->size != WL18XX_CONF_SIZE) {
wl1271_error("configuration binary file size is wrong, expected %zu got %zu",
WL18XX_CONF_SIZE, fw->size);
ret = -EINVAL;
goto out;
}
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;
}
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;
}
memcpy(&wl->conf, &conf_file->core, sizeof(wl18xx_conf));
memcpy(&priv->conf, &conf_file->priv, sizeof(priv->conf));
goto out;
out_fallback:
wl1271_warning("falling back to default config");
/* apply driver default configuration */
memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf));
/* apply default private configuration */
memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf));
/* For now we just fallback */
return 0;
out:
release_firmware(fw);
return ret;
}
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);
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;
strncpy(wl->chip.phy_fw_ver_str, static_data_priv->phy_version,
sizeof(wl->chip.phy_fw_ver_str));
/* make sure the string is NULL-terminated */
wl->chip.phy_fw_ver_str[sizeof(wl->chip.phy_fw_ver_str) - 1] = '\0';
wl1271_info("PHY firmware version: %s", static_data_priv->phy_version);
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,
struct ieee80211_sta *sta,
u32 changed)
{
bool wide = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide);
if (!(changed & IEEE80211_RC_BW_CHANGED))
return;
mutex_lock(&wl->mutex);
/* sanity */
if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS))
goto out;
/* ignore the change before association */
if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
goto out;
/*
* 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));
out:
mutex_unlock(&wl->mutex);
}
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_2->priv;
u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
/* suspended links are never high priority */
if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
return false;
/* the priority thresholds are taken from FW */
if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
!test_bit(hlid, (unsigned long *)&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_2->priv;
u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap);
if (test_bit(hlid, (unsigned long *)&suspend_bitmap))
thold = status_priv->tx_suspend_threshold;
else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&
!test_bit(hlid, (unsigned long *)&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 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,
.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,
.lnk_high_prio = wl18xx_lnk_high_prio,
.lnk_low_prio = wl18xx_lnk_low_prio,
};
/* 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 int wl18xx_setup(struct wl1271 *wl)
{
struct wl18xx_priv *priv = wl->priv;
int ret;
wl->rtable = wl18xx_rtable;
wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
wl->num_channels = 2;
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_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, IEEE80211_BAND_2GHZ,
&wl18xx_mimo_ht_cap_2ghz);
else
wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
&wl18xx_siso40_ht_cap_2ghz);
/* 5Ghz is always wide */
wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
&wl18xx_siso40_ht_cap_5ghz);
} else if (priv->conf.ht.mode == HT_MODE_WIDE) {
wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
&wl18xx_siso40_ht_cap_2ghz);
wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
&wl18xx_siso40_ht_cap_5ghz);
} else if (priv->conf.ht.mode == HT_MODE_SISO20) {
wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
&wl18xx_siso20_ht_cap);
wlcore_set_ht_cap(wl, IEEE80211_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",
.owner = THIS_MODULE,
}
};
module_platform_driver(wl18xx_driver);
module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
module_param_named(board_type, board_type_param, charp, S_IRUSR);
MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
"dvp");
module_param_named(checksum, checksum_param, bool, S_IRUSR);
MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)");
module_param_named(dc2dc, dc2dc_param, int, S_IRUSR);
MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)");
module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR);
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, S_IRUSR);
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,
S_IRUSR);
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, S_IRUSR);
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,
S_IRUSR);
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, S_IRUSR);
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, S_IRUSR);
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, S_IRUSR);
MODULE_PARM_DESC(num_rx_desc_param,
"Number of Rx descriptors: u8 (default is 32)");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_FIRMWARE(WL18XX_FW_NAME);
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