| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 2008-2010 Nokia Corporation |
| * |
| * 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/err.h> |
| |
| #include <linux/wl12xx.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/io.h" |
| #include "../wlcore/boot.h" |
| |
| #include "wl12xx.h" |
| #include "reg.h" |
| #include "cmd.h" |
| #include "acx.h" |
| #include "debugfs.h" |
| |
| static char *fref_param; |
| static char *tcxo_param; |
| |
| static struct wlcore_conf wl12xx_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 = 700, |
| .tx_compl_threshold = 4, |
| .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, |
| }, |
| .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 = 200, |
| .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_passive = 100000, |
| .max_dwell_time_passive = 100000, |
| .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 = 8, |
| .tx_ba_win_size = 64, |
| .inactivity_timeout = 10000, |
| .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, |
| }, |
| /* |
| * Memory config for wl127x chips is given in the |
| * wl12xx_default_priv_conf struct. The below configuration is |
| * for wl128x chips. |
| */ |
| .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, |
| }, |
| }; |
| |
| static struct wl12xx_priv_conf wl12xx_default_priv_conf = { |
| .rf = { |
| .tx_per_channel_power_compensation_2 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }, |
| .tx_per_channel_power_compensation_5 = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }, |
| }, |
| .mem_wl127x = { |
| .num_stations = 1, |
| .ssid_profiles = 1, |
| .rx_block_num = 70, |
| .tx_min_block_num = 40, |
| .dynamic_memory = 1, |
| .min_req_tx_blocks = 100, |
| .min_req_rx_blocks = 22, |
| .tx_min = 27, |
| }, |
| |
| }; |
| |
| #define WL12XX_TX_HW_BLOCK_SPARE_DEFAULT 1 |
| #define WL12XX_TX_HW_BLOCK_GEM_SPARE 2 |
| #define WL12XX_TX_HW_BLOCK_SIZE 252 |
| |
| static const u8 wl12xx_rate_to_idx_2ghz[] = { |
| /* MCS rates are used only with 11n */ |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ |
| 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ |
| 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ |
| 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ |
| 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ |
| 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ |
| 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ |
| 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ |
| |
| 11, /* WL12XX_CONF_HW_RXTX_RATE_54 */ |
| 10, /* WL12XX_CONF_HW_RXTX_RATE_48 */ |
| 9, /* WL12XX_CONF_HW_RXTX_RATE_36 */ |
| 8, /* WL12XX_CONF_HW_RXTX_RATE_24 */ |
| |
| /* TI-specific rate */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ |
| |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_18 */ |
| 6, /* WL12XX_CONF_HW_RXTX_RATE_12 */ |
| 3, /* WL12XX_CONF_HW_RXTX_RATE_11 */ |
| 5, /* WL12XX_CONF_HW_RXTX_RATE_9 */ |
| 4, /* WL12XX_CONF_HW_RXTX_RATE_6 */ |
| 2, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ |
| 1, /* WL12XX_CONF_HW_RXTX_RATE_2 */ |
| 0 /* WL12XX_CONF_HW_RXTX_RATE_1 */ |
| }; |
| |
| static const u8 wl12xx_rate_to_idx_5ghz[] = { |
| /* MCS rates are used only with 11n */ |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ |
| 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ |
| 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ |
| 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ |
| 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ |
| 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ |
| 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ |
| 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ |
| |
| 7, /* WL12XX_CONF_HW_RXTX_RATE_54 */ |
| 6, /* WL12XX_CONF_HW_RXTX_RATE_48 */ |
| 5, /* WL12XX_CONF_HW_RXTX_RATE_36 */ |
| 4, /* WL12XX_CONF_HW_RXTX_RATE_24 */ |
| |
| /* TI-specific rate */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ |
| |
| 3, /* WL12XX_CONF_HW_RXTX_RATE_18 */ |
| 2, /* WL12XX_CONF_HW_RXTX_RATE_12 */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_11 */ |
| 1, /* WL12XX_CONF_HW_RXTX_RATE_9 */ |
| 0, /* WL12XX_CONF_HW_RXTX_RATE_6 */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_2 */ |
| CONF_HW_RXTX_RATE_UNSUPPORTED /* WL12XX_CONF_HW_RXTX_RATE_1 */ |
| }; |
| |
| static const u8 *wl12xx_band_rate_to_idx[] = { |
| [IEEE80211_BAND_2GHZ] = wl12xx_rate_to_idx_2ghz, |
| [IEEE80211_BAND_5GHZ] = wl12xx_rate_to_idx_5ghz |
| }; |
| |
| enum wl12xx_hw_rates { |
| WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI = 0, |
| WL12XX_CONF_HW_RXTX_RATE_MCS7, |
| WL12XX_CONF_HW_RXTX_RATE_MCS6, |
| WL12XX_CONF_HW_RXTX_RATE_MCS5, |
| WL12XX_CONF_HW_RXTX_RATE_MCS4, |
| WL12XX_CONF_HW_RXTX_RATE_MCS3, |
| WL12XX_CONF_HW_RXTX_RATE_MCS2, |
| WL12XX_CONF_HW_RXTX_RATE_MCS1, |
| WL12XX_CONF_HW_RXTX_RATE_MCS0, |
| WL12XX_CONF_HW_RXTX_RATE_54, |
| WL12XX_CONF_HW_RXTX_RATE_48, |
| WL12XX_CONF_HW_RXTX_RATE_36, |
| WL12XX_CONF_HW_RXTX_RATE_24, |
| WL12XX_CONF_HW_RXTX_RATE_22, |
| WL12XX_CONF_HW_RXTX_RATE_18, |
| WL12XX_CONF_HW_RXTX_RATE_12, |
| WL12XX_CONF_HW_RXTX_RATE_11, |
| WL12XX_CONF_HW_RXTX_RATE_9, |
| WL12XX_CONF_HW_RXTX_RATE_6, |
| WL12XX_CONF_HW_RXTX_RATE_5_5, |
| WL12XX_CONF_HW_RXTX_RATE_2, |
| WL12XX_CONF_HW_RXTX_RATE_1, |
| WL12XX_CONF_HW_RXTX_RATE_MAX, |
| }; |
| |
| static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = { |
| [PART_DOWN] = { |
| .mem = { |
| .start = 0x00000000, |
| .size = 0x000177c0 |
| }, |
| .reg = { |
| .start = REGISTERS_BASE, |
| .size = 0x00008800 |
| }, |
| .mem2 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| }, |
| .mem3 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| }, |
| }, |
| |
| [PART_BOOT] = { /* in wl12xx we can use a mix of work and down |
| * partition here */ |
| .mem = { |
| .start = 0x00040000, |
| .size = 0x00014fc0 |
| }, |
| .reg = { |
| .start = REGISTERS_BASE, |
| .size = 0x00008800 |
| }, |
| .mem2 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| }, |
| .mem3 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| }, |
| }, |
| |
| [PART_WORK] = { |
| .mem = { |
| .start = 0x00040000, |
| .size = 0x00014fc0 |
| }, |
| .reg = { |
| .start = REGISTERS_BASE, |
| .size = 0x0000a000 |
| }, |
| .mem2 = { |
| .start = 0x003004f8, |
| .size = 0x00000004 |
| }, |
| .mem3 = { |
| .start = 0x00040404, |
| .size = 0x00000000 |
| }, |
| }, |
| |
| [PART_DRPW] = { |
| .mem = { |
| .start = 0x00040000, |
| .size = 0x00014fc0 |
| }, |
| .reg = { |
| .start = DRPW_BASE, |
| .size = 0x00006000 |
| }, |
| .mem2 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| }, |
| .mem3 = { |
| .start = 0x00000000, |
| .size = 0x00000000 |
| } |
| } |
| }; |
| |
| static const int wl12xx_rtable[REG_TABLE_LEN] = { |
| [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL, |
| [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR, |
| [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK, |
| [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR, |
| [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR, |
| [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG, |
| [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK, |
| [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4, |
| [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B, |
| [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS, |
| |
| /* data access memory addresses, used with partition translation */ |
| [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA, |
| [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA, |
| |
| /* raw data access memory addresses */ |
| [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR, |
| }; |
| |
| /* TODO: maybe move to a new header file? */ |
| #define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-4-mr.bin" |
| #define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-4-sr.bin" |
| #define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin" |
| |
| #define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin" |
| #define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin" |
| #define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin" |
| |
| static int wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) |
| { |
| int ret; |
| |
| if (wl->chip.id != CHIP_ID_1283_PG20) { |
| struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; |
| struct wl127x_rx_mem_pool_addr rx_mem_addr; |
| |
| /* |
| * Choose the block we want to read |
| * For aggregated packets, only the first memory block |
| * should be retrieved. The FW takes care of the rest. |
| */ |
| u32 mem_block = rx_desc & RX_MEM_BLOCK_MASK; |
| |
| rx_mem_addr.addr = (mem_block << 8) + |
| le32_to_cpu(wl_mem_map->packet_memory_pool_start); |
| |
| rx_mem_addr.addr_extra = rx_mem_addr.addr + 4; |
| |
| ret = wlcore_write(wl, WL1271_SLV_REG_DATA, &rx_mem_addr, |
| sizeof(rx_mem_addr), false); |
| if (ret < 0) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int wl12xx_identify_chip(struct wl1271 *wl) |
| { |
| int ret = 0; |
| |
| switch (wl->chip.id) { |
| case CHIP_ID_1271_PG10: |
| wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", |
| wl->chip.id); |
| |
| wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | |
| WLCORE_QUIRK_TKIP_HEADER_SPACE; |
| wl->sr_fw_name = WL127X_FW_NAME_SINGLE; |
| wl->mr_fw_name = WL127X_FW_NAME_MULTI; |
| memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, |
| sizeof(wl->conf.mem)); |
| |
| /* read data preparation is only needed by wl127x */ |
| wl->ops->prepare_read = wl127x_prepare_read; |
| |
| break; |
| |
| case CHIP_ID_1271_PG20: |
| wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", |
| wl->chip.id); |
| |
| wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | |
| WLCORE_QUIRK_TKIP_HEADER_SPACE; |
| wl->plt_fw_name = WL127X_PLT_FW_NAME; |
| wl->sr_fw_name = WL127X_FW_NAME_SINGLE; |
| wl->mr_fw_name = WL127X_FW_NAME_MULTI; |
| memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, |
| sizeof(wl->conf.mem)); |
| |
| /* read data preparation is only needed by wl127x */ |
| wl->ops->prepare_read = wl127x_prepare_read; |
| |
| break; |
| |
| case CHIP_ID_1283_PG20: |
| wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", |
| wl->chip.id); |
| wl->plt_fw_name = WL128X_PLT_FW_NAME; |
| wl->sr_fw_name = WL128X_FW_NAME_SINGLE; |
| wl->mr_fw_name = WL128X_FW_NAME_MULTI; |
| |
| /* wl128x requires TX blocksize alignment */ |
| wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | |
| WLCORE_QUIRK_TKIP_HEADER_SPACE; |
| |
| break; |
| case CHIP_ID_1283_PG10: |
| default: |
| wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
| ret = -ENODEV; |
| goto out; |
| } |
| |
| out: |
| return ret; |
| } |
| |
| static int __must_check wl12xx_top_reg_write(struct wl1271 *wl, int addr, |
| u16 val) |
| { |
| int ret; |
| |
| /* write address >> 1 + 0x30000 to OCP_POR_CTR */ |
| addr = (addr >> 1) + 0x30000; |
| ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); |
| if (ret < 0) |
| goto out; |
| |
| /* write value to OCP_POR_WDATA */ |
| ret = wlcore_write32(wl, WL12XX_OCP_DATA_WRITE, val); |
| if (ret < 0) |
| goto out; |
| |
| /* write 1 to OCP_CMD */ |
| ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); |
| if (ret < 0) |
| goto out; |
| |
| out: |
| return ret; |
| } |
| |
| static int __must_check wl12xx_top_reg_read(struct wl1271 *wl, int addr, |
| u16 *out) |
| { |
| u32 val; |
| int timeout = OCP_CMD_LOOP; |
| int ret; |
| |
| /* write address >> 1 + 0x30000 to OCP_POR_CTR */ |
| addr = (addr >> 1) + 0x30000; |
| ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); |
| if (ret < 0) |
| return ret; |
| |
| /* write 2 to OCP_CMD */ |
| ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); |
| if (ret < 0) |
| return ret; |
| |
| /* poll for data ready */ |
| do { |
| ret = wlcore_read32(wl, WL12XX_OCP_DATA_READ, &val); |
| if (ret < 0) |
| return ret; |
| } while (!(val & OCP_READY_MASK) && --timeout); |
| |
| if (!timeout) { |
| wl1271_warning("Top register access timed out."); |
| return -ETIMEDOUT; |
| } |
| |
| /* check data status and return if OK */ |
| if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) { |
| wl1271_warning("Top register access returned error."); |
| return -EIO; |
| } |
| |
| if (out) |
| *out = val & 0xffff; |
| |
| return 0; |
| } |
| |
| static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) |
| { |
| u16 spare_reg; |
| int ret; |
| |
| /* Mask bits [2] & [8:4] in the sys_clk_cfg register */ |
| ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); |
| if (ret < 0) |
| return ret; |
| |
| if (spare_reg == 0xFFFF) |
| return -EFAULT; |
| spare_reg |= (BIT(3) | BIT(5) | BIT(6)); |
| ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); |
| if (ret < 0) |
| return ret; |
| |
| /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */ |
| ret = wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG, |
| WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF); |
| if (ret < 0) |
| return ret; |
| |
| /* Delay execution for 15msec, to let the HW settle */ |
| mdelay(15); |
| |
| return 0; |
| } |
| |
| static bool wl128x_is_tcxo_valid(struct wl1271 *wl) |
| { |
| u16 tcxo_detection; |
| int ret; |
| |
| ret = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG, &tcxo_detection); |
| if (ret < 0) |
| return false; |
| |
| if (tcxo_detection & TCXO_DET_FAILED) |
| return false; |
| |
| return true; |
| } |
| |
| static bool wl128x_is_fref_valid(struct wl1271 *wl) |
| { |
| u16 fref_detection; |
| int ret; |
| |
| ret = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG, &fref_detection); |
| if (ret < 0) |
| return false; |
| |
| if (fref_detection & FREF_CLK_DETECT_FAIL) |
| return false; |
| |
| return true; |
| } |
| |
| static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) |
| { |
| int ret; |
| |
| ret = wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, |
| MCS_PLL_CONFIG_REG_VAL); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) |
| { |
| u16 spare_reg; |
| u16 pll_config; |
| u8 input_freq; |
| struct wl12xx_priv *priv = wl->priv; |
| int ret; |
| |
| /* Mask bits [3:1] in the sys_clk_cfg register */ |
| ret = wl12xx_top_reg_read(wl, WL_SPARE_REG, &spare_reg); |
| if (ret < 0) |
| return ret; |
| |
| if (spare_reg == 0xFFFF) |
| return -EFAULT; |
| spare_reg |= BIT(2); |
| ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); |
| if (ret < 0) |
| return ret; |
| |
| /* Handle special cases of the TCXO clock */ |
| if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || |
| priv->tcxo_clock == WL12XX_TCXOCLOCK_33_6) |
| return wl128x_manually_configure_mcs_pll(wl); |
| |
| /* Set the input frequency according to the selected clock source */ |
| input_freq = (clk & 1) + 1; |
| |
| ret = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG, &pll_config); |
| if (ret < 0) |
| return ret; |
| |
| if (pll_config == 0xFFFF) |
| return -EFAULT; |
| pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT); |
| pll_config |= MCS_PLL_ENABLE_HP; |
| ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); |
| |
| return ret; |
| } |
| |
| /* |
| * WL128x has two clocks input - TCXO and FREF. |
| * TCXO is the main clock of the device, while FREF is used to sync |
| * between the GPS and the cellular modem. |
| * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used |
| * as the WLAN/BT main clock. |
| */ |
| static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) |
| { |
| struct wl12xx_priv *priv = wl->priv; |
| u16 sys_clk_cfg; |
| int ret; |
| |
| /* For XTAL-only modes, FREF will be used after switching from TCXO */ |
| if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL || |
| priv->ref_clock == WL12XX_REFCLOCK_38_XTAL) { |
| if (!wl128x_switch_tcxo_to_fref(wl)) |
| return -EINVAL; |
| goto fref_clk; |
| } |
| |
| /* Query the HW, to determine which clock source we should use */ |
| ret = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG, &sys_clk_cfg); |
| if (ret < 0) |
| return ret; |
| |
| if (sys_clk_cfg == 0xFFFF) |
| return -EINVAL; |
| if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF) |
| goto fref_clk; |
| |
| /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ |
| if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || |
| priv->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { |
| if (!wl128x_switch_tcxo_to_fref(wl)) |
| return -EINVAL; |
| goto fref_clk; |
| } |
| |
| /* TCXO clock is selected */ |
| if (!wl128x_is_tcxo_valid(wl)) |
| return -EINVAL; |
| *selected_clock = priv->tcxo_clock; |
| goto config_mcs_pll; |
| |
| fref_clk: |
| /* FREF clock is selected */ |
| if (!wl128x_is_fref_valid(wl)) |
| return -EINVAL; |
| *selected_clock = priv->ref_clock; |
| |
| config_mcs_pll: |
| return wl128x_configure_mcs_pll(wl, *selected_clock); |
| } |
| |
| static int wl127x_boot_clk(struct wl1271 *wl) |
| { |
| struct wl12xx_priv *priv = wl->priv; |
| u32 pause; |
| u32 clk; |
| int ret; |
| |
| if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3) |
| wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION; |
| |
| if (priv->ref_clock == CONF_REF_CLK_19_2_E || |
| priv->ref_clock == CONF_REF_CLK_38_4_E || |
| priv->ref_clock == CONF_REF_CLK_38_4_M_XTAL) |
| /* ref clk: 19.2/38.4/38.4-XTAL */ |
| clk = 0x3; |
| else if (priv->ref_clock == CONF_REF_CLK_26_E || |
| priv->ref_clock == CONF_REF_CLK_26_M_XTAL || |
| priv->ref_clock == CONF_REF_CLK_52_E) |
| /* ref clk: 26/52 */ |
| clk = 0x5; |
| else |
| return -EINVAL; |
| |
| if (priv->ref_clock != CONF_REF_CLK_19_2_E) { |
| u16 val; |
| /* Set clock type (open drain) */ |
| ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val); |
| if (ret < 0) |
| goto out; |
| |
| val &= FREF_CLK_TYPE_BITS; |
| ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); |
| if (ret < 0) |
| goto out; |
| |
| /* Set clock pull mode (no pull) */ |
| ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val); |
| if (ret < 0) |
| goto out; |
| |
| val |= NO_PULL; |
| ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); |
| if (ret < 0) |
| goto out; |
| } else { |
| u16 val; |
| /* Set clock polarity */ |
| ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY, &val); |
| if (ret < 0) |
| goto out; |
| |
| val &= FREF_CLK_POLARITY_BITS; |
| val |= CLK_REQ_OUTN_SEL; |
| ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); |
| if (ret < 0) |
| goto out; |
| } |
| |
| ret = wlcore_write32(wl, WL12XX_PLL_PARAMETERS, clk); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_read32(wl, WL12XX_PLL_PARAMETERS, &pause); |
| if (ret < 0) |
| goto out; |
| |
| wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); |
| |
| pause &= ~(WU_COUNTER_PAUSE_VAL); |
| pause |= WU_COUNTER_PAUSE_VAL; |
| ret = wlcore_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl1271_boot_soft_reset(struct wl1271 *wl) |
| { |
| unsigned long timeout; |
| u32 boot_data; |
| int ret = 0; |
| |
| /* perform soft reset */ |
| ret = wlcore_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); |
| if (ret < 0) |
| goto out; |
| |
| /* SOFT_RESET is self clearing */ |
| timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); |
| while (1) { |
| ret = wlcore_read32(wl, WL12XX_SLV_SOFT_RESET, &boot_data); |
| if (ret < 0) |
| goto out; |
| |
| wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); |
| if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) |
| break; |
| |
| if (time_after(jiffies, timeout)) { |
| /* 1.2 check pWhalBus->uSelfClearTime if the |
| * timeout was reached */ |
| wl1271_error("soft reset timeout"); |
| return -1; |
| } |
| |
| udelay(SOFT_RESET_STALL_TIME); |
| } |
| |
| /* disable Rx/Tx */ |
| ret = wlcore_write32(wl, WL12XX_ENABLE, 0x0); |
| if (ret < 0) |
| goto out; |
| |
| /* disable auto calibration on start*/ |
| ret = wlcore_write32(wl, WL12XX_SPARE_A2, 0xffff); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_pre_boot(struct wl1271 *wl) |
| { |
| struct wl12xx_priv *priv = wl->priv; |
| int ret = 0; |
| u32 clk; |
| int selected_clock = -1; |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| ret = wl128x_boot_clk(wl, &selected_clock); |
| if (ret < 0) |
| goto out; |
| } else { |
| ret = wl127x_boot_clk(wl); |
| if (ret < 0) |
| goto out; |
| } |
| |
| /* Continue the ELP wake up sequence */ |
| ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); |
| if (ret < 0) |
| goto out; |
| |
| udelay(500); |
| |
| ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); |
| if (ret < 0) |
| goto out; |
| |
| /* Read-modify-write DRPW_SCRATCH_START register (see next state) |
| to be used by DRPw FW. The RTRIM value will be added by the FW |
| before taking DRPw out of reset */ |
| |
| ret = wlcore_read32(wl, WL12XX_DRPW_SCRATCH_START, &clk); |
| if (ret < 0) |
| goto out; |
| |
| wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) |
| clk |= ((selected_clock & 0x3) << 1) << 4; |
| else |
| clk |= (priv->ref_clock << 1) << 4; |
| |
| ret = wlcore_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); |
| 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 = wl1271_boot_soft_reset(wl); |
| if (ret < 0) |
| goto out; |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_pre_upload(struct wl1271 *wl) |
| { |
| u32 tmp; |
| u16 polarity; |
| int ret; |
| |
| /* write firmware's last address (ie. it's length) to |
| * ACX_EEPROMLESS_IND_REG */ |
| wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); |
| |
| ret = wlcore_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_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); |
| |
| /* 6. read the EEPROM parameters */ |
| ret = wlcore_read32(wl, WL12XX_SCR_PAD2, &tmp); |
| if (ret < 0) |
| goto out; |
| |
| /* WL1271: The reference driver skips steps 7 to 10 (jumps directly |
| * to upload_fw) */ |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| ret = wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); |
| if (ret < 0) |
| goto out; |
| } |
| |
| /* polarity must be set before the firmware is loaded */ |
| ret = wl12xx_top_reg_read(wl, OCP_REG_POLARITY, &polarity); |
| if (ret < 0) |
| goto out; |
| |
| /* We use HIGH polarity, so unset the LOW bit */ |
| polarity &= ~POLARITY_LOW; |
| ret = wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_enable_interrupts(struct wl1271 *wl) |
| { |
| int ret; |
| |
| ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, |
| WL12XX_ACX_ALL_EVENTS_VECTOR); |
| if (ret < 0) |
| goto out; |
| |
| wlcore_enable_interrupts(wl); |
| ret = wlcore_write_reg(wl, REG_INTERRUPT_MASK, |
| WL1271_ACX_INTR_ALL & ~(WL12XX_INTR_MASK)); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_boot(struct wl1271 *wl) |
| { |
| int ret; |
| |
| ret = wl12xx_pre_boot(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_boot_upload_nvs(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl12xx_pre_upload(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_boot_upload_firmware(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_boot_run_firmware(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl12xx_enable_interrupts(wl); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, |
| void *buf, size_t len) |
| { |
| int ret; |
| |
| ret = wlcore_write(wl, cmd_box_addr, buf, len, false); |
| if (ret < 0) |
| return ret; |
| |
| ret = wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD); |
| |
| return ret; |
| } |
| |
| static int wl12xx_ack_event(struct wl1271 *wl) |
| { |
| return wlcore_write_reg(wl, REG_INTERRUPT_TRIG, |
| WL12XX_INTR_TRIG_EVENT_ACK); |
| } |
| |
| static u32 wl12xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) |
| { |
| u32 blk_size = WL12XX_TX_HW_BLOCK_SIZE; |
| u32 align_len = wlcore_calc_packet_alignment(wl, len); |
| |
| return (align_len + blk_size - 1) / blk_size + spare_blks; |
| } |
| |
| static void |
| wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, |
| u32 blks, u32 spare_blks) |
| { |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| desc->wl128x_mem.total_mem_blocks = blks; |
| } else { |
| desc->wl127x_mem.extra_blocks = spare_blks; |
| desc->wl127x_mem.total_mem_blocks = blks; |
| } |
| } |
| |
| static void |
| wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, |
| struct sk_buff *skb) |
| { |
| u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len); |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| desc->wl128x_mem.extra_bytes = aligned_len - skb->len; |
| desc->length = cpu_to_le16(aligned_len >> 2); |
| |
| wl1271_debug(DEBUG_TX, |
| "tx_fill_hdr: hlid: %d len: %d life: %d mem: %d extra: %d", |
| desc->hlid, |
| le16_to_cpu(desc->length), |
| le16_to_cpu(desc->life_time), |
| desc->wl128x_mem.total_mem_blocks, |
| desc->wl128x_mem.extra_bytes); |
| } else { |
| /* calculate number of padding bytes */ |
| int pad = aligned_len - skb->len; |
| desc->tx_attr |= |
| cpu_to_le16(pad << TX_HW_ATTR_OFST_LAST_WORD_PAD); |
| |
| /* Store the aligned length in terms of words */ |
| desc->length = cpu_to_le16(aligned_len >> 2); |
| |
| wl1271_debug(DEBUG_TX, |
| "tx_fill_hdr: pad: %d hlid: %d len: %d life: %d mem: %d", |
| pad, desc->hlid, |
| le16_to_cpu(desc->length), |
| le16_to_cpu(desc->life_time), |
| desc->wl127x_mem.total_mem_blocks); |
| } |
| } |
| |
| static enum wl_rx_buf_align |
| wl12xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) |
| { |
| if (rx_desc & RX_BUF_UNALIGNED_PAYLOAD) |
| return WLCORE_RX_BUF_UNALIGNED; |
| |
| return WLCORE_RX_BUF_ALIGNED; |
| } |
| |
| static u32 wl12xx_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) || |
| data_len < sizeof(*desc) + desc->pad_len) |
| return 0; |
| |
| return data_len - sizeof(*desc) - desc->pad_len; |
| } |
| |
| static int wl12xx_tx_delayed_compl(struct wl1271 *wl) |
| { |
| if (wl->fw_status_1->tx_results_counter == |
| (wl->tx_results_count & 0xff)) |
| return 0; |
| |
| return wlcore_tx_complete(wl); |
| } |
| |
| static int wl12xx_hw_init(struct wl1271 *wl) |
| { |
| int ret; |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; |
| |
| ret = wl128x_cmd_general_parms(wl); |
| if (ret < 0) |
| goto out; |
| ret = wl128x_cmd_radio_parms(wl); |
| if (ret < 0) |
| goto out; |
| |
| if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) |
| /* Enable SDIO padding */ |
| host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; |
| |
| /* Must be before wl1271_acx_init_mem_config() */ |
| ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); |
| if (ret < 0) |
| goto out; |
| } else { |
| ret = wl1271_cmd_general_parms(wl); |
| if (ret < 0) |
| goto out; |
| ret = wl1271_cmd_radio_parms(wl); |
| if (ret < 0) |
| goto out; |
| ret = wl1271_cmd_ext_radio_parms(wl); |
| if (ret < 0) |
| goto out; |
| } |
| out: |
| return ret; |
| } |
| |
| static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif) |
| { |
| return wlvif->rate_set; |
| } |
| |
| static int wl12xx_identify_fw(struct wl1271 *wl) |
| { |
| unsigned int *fw_ver = wl->chip.fw_ver; |
| |
| /* Only new station firmwares support routing fw logs to the host */ |
| if ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && |
| (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_FWLOG_STA_MIN)) |
| wl->quirks |= WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED; |
| |
| /* This feature is not yet supported for AP mode */ |
| if (fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) |
| wl->quirks |= WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED; |
| |
| return 0; |
| } |
| |
| static void wl12xx_conf_init(struct wl1271 *wl) |
| { |
| struct wl12xx_priv *priv = wl->priv; |
| |
| /* apply driver default configuration */ |
| memcpy(&wl->conf, &wl12xx_conf, sizeof(wl12xx_conf)); |
| |
| /* apply default private configuration */ |
| memcpy(&priv->conf, &wl12xx_default_priv_conf, sizeof(priv->conf)); |
| } |
| |
| static bool wl12xx_mac_in_fuse(struct wl1271 *wl) |
| { |
| bool supported = false; |
| u8 major, minor; |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) { |
| major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); |
| minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); |
| |
| /* in wl128x we have the MAC address if the PG is >= (2, 1) */ |
| if (major > 2 || (major == 2 && minor >= 1)) |
| supported = true; |
| } else { |
| major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver); |
| minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver); |
| |
| /* in wl127x we have the MAC address if the PG is >= (3, 1) */ |
| if (major == 3 && minor >= 1) |
| supported = true; |
| } |
| |
| wl1271_debug(DEBUG_PROBE, |
| "PG Ver major = %d minor = %d, MAC %s present", |
| major, minor, supported ? "is" : "is not"); |
| |
| return supported; |
| } |
| |
| static int wl12xx_get_fuse_mac(struct wl1271 *wl) |
| { |
| u32 mac1, mac2; |
| int ret; |
| |
| ret = wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1); |
| if (ret < 0) |
| goto out; |
| |
| ret = wlcore_read32(wl, WL12XX_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 wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver) |
| { |
| u16 die_info; |
| int ret; |
| |
| if (wl->chip.id == CHIP_ID_1283_PG20) |
| ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1, |
| &die_info); |
| else |
| ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1, |
| &die_info); |
| |
| if (ret >= 0 && ver) |
| *ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET); |
| |
| return ret; |
| } |
| |
| static int wl12xx_get_mac(struct wl1271 *wl) |
| { |
| if (wl12xx_mac_in_fuse(wl)) |
| return wl12xx_get_fuse_mac(wl); |
| |
| return 0; |
| } |
| |
| static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, |
| struct wl1271_tx_hw_descr *desc, |
| struct sk_buff *skb) |
| { |
| desc->wl12xx_reserved = 0; |
| } |
| |
| static int wl12xx_plt_init(struct wl1271 *wl) |
| { |
| int ret; |
| |
| ret = wl->ops->boot(wl); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl->ops->hw_init(wl); |
| if (ret < 0) |
| goto out_irq_disable; |
| |
| ret = wl1271_acx_init_mem_config(wl); |
| if (ret < 0) |
| goto out_irq_disable; |
| |
| ret = wl12xx_acx_mem_cfg(wl); |
| if (ret < 0) |
| goto out_free_memmap; |
| |
| /* Enable data path */ |
| ret = wl1271_cmd_data_path(wl, 1); |
| if (ret < 0) |
| goto out_free_memmap; |
| |
| /* Configure for CAM power saving (ie. always active) */ |
| ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); |
| if (ret < 0) |
| goto out_free_memmap; |
| |
| /* configure PM */ |
| ret = wl1271_acx_pm_config(wl); |
| if (ret < 0) |
| goto out_free_memmap; |
| |
| goto out; |
| |
| out_free_memmap: |
| kfree(wl->target_mem_map); |
| wl->target_mem_map = NULL; |
| |
| out_irq_disable: |
| mutex_unlock(&wl->mutex); |
| /* Unlocking the mutex in the middle of handling is |
| inherently unsafe. In this case we deem it safe to do, |
| because we need to let any possibly pending IRQ out of |
| the system (and while we are WL1271_STATE_OFF the IRQ |
| work function will not do anything.) Also, any other |
| possible concurrent operations will fail due to the |
| current state, hence the wl1271 struct should be safe. */ |
| wlcore_disable_interrupts(wl); |
| mutex_lock(&wl->mutex); |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) |
| { |
| if (is_gem) |
| return WL12XX_TX_HW_BLOCK_GEM_SPARE; |
| |
| return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; |
| } |
| |
| static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| struct ieee80211_key_conf *key_conf) |
| { |
| return wlcore_set_key(wl, cmd, vif, sta, key_conf); |
| } |
| |
| static struct wlcore_ops wl12xx_ops = { |
| .identify_chip = wl12xx_identify_chip, |
| .identify_fw = wl12xx_identify_fw, |
| .boot = wl12xx_boot, |
| .plt_init = wl12xx_plt_init, |
| .trigger_cmd = wl12xx_trigger_cmd, |
| .ack_event = wl12xx_ack_event, |
| .calc_tx_blocks = wl12xx_calc_tx_blocks, |
| .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks, |
| .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len, |
| .get_rx_buf_align = wl12xx_get_rx_buf_align, |
| .get_rx_packet_len = wl12xx_get_rx_packet_len, |
| .tx_immediate_compl = NULL, |
| .tx_delayed_compl = wl12xx_tx_delayed_compl, |
| .hw_init = wl12xx_hw_init, |
| .init_vif = NULL, |
| .sta_get_ap_rate_mask = wl12xx_sta_get_ap_rate_mask, |
| .get_pg_ver = wl12xx_get_pg_ver, |
| .get_mac = wl12xx_get_mac, |
| .set_tx_desc_csum = wl12xx_set_tx_desc_csum, |
| .set_rx_csum = NULL, |
| .ap_get_mimo_wide_rate_mask = NULL, |
| .debugfs_init = wl12xx_debugfs_add_files, |
| .get_spare_blocks = wl12xx_get_spare_blocks, |
| .set_key = wl12xx_set_key, |
| .pre_pkt_send = NULL, |
| }; |
| |
| static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { |
| .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | |
| (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), |
| .ht_supported = true, |
| .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, |
| .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, |
| .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, |
| }, |
| }; |
| |
| static int __devinit wl12xx_probe(struct platform_device *pdev) |
| { |
| struct wl12xx_platform_data *pdata = pdev->dev.platform_data; |
| struct wl1271 *wl; |
| struct ieee80211_hw *hw; |
| struct wl12xx_priv *priv; |
| |
| hw = wlcore_alloc_hw(sizeof(*priv)); |
| if (IS_ERR(hw)) { |
| wl1271_error("can't allocate hw"); |
| return PTR_ERR(hw); |
| } |
| |
| wl = hw->priv; |
| priv = wl->priv; |
| wl->ops = &wl12xx_ops; |
| wl->ptable = wl12xx_ptable; |
| wl->rtable = wl12xx_rtable; |
| wl->num_tx_desc = 16; |
| wl->num_rx_desc = 8; |
| wl->band_rate_to_idx = wl12xx_band_rate_to_idx; |
| wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; |
| wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; |
| wl->fw_status_priv_len = 0; |
| wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics); |
| wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ, &wl12xx_ht_cap); |
| wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ, &wl12xx_ht_cap); |
| wl12xx_conf_init(wl); |
| |
| if (!fref_param) { |
| priv->ref_clock = pdata->board_ref_clock; |
| } else { |
| if (!strcmp(fref_param, "19.2")) |
| priv->ref_clock = WL12XX_REFCLOCK_19; |
| else if (!strcmp(fref_param, "26")) |
| priv->ref_clock = WL12XX_REFCLOCK_26; |
| else if (!strcmp(fref_param, "26x")) |
| priv->ref_clock = WL12XX_REFCLOCK_26_XTAL; |
| else if (!strcmp(fref_param, "38.4")) |
| priv->ref_clock = WL12XX_REFCLOCK_38; |
| else if (!strcmp(fref_param, "38.4x")) |
| priv->ref_clock = WL12XX_REFCLOCK_38_XTAL; |
| else if (!strcmp(fref_param, "52")) |
| priv->ref_clock = WL12XX_REFCLOCK_52; |
| else |
| wl1271_error("Invalid fref parameter %s", fref_param); |
| } |
| |
| if (!tcxo_param) { |
| priv->tcxo_clock = pdata->board_tcxo_clock; |
| } else { |
| if (!strcmp(tcxo_param, "19.2")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2; |
| else if (!strcmp(tcxo_param, "26")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_26; |
| else if (!strcmp(tcxo_param, "38.4")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_38_4; |
| else if (!strcmp(tcxo_param, "52")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_52; |
| else if (!strcmp(tcxo_param, "16.368")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_16_368; |
| else if (!strcmp(tcxo_param, "32.736")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_32_736; |
| else if (!strcmp(tcxo_param, "16.8")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_16_8; |
| else if (!strcmp(tcxo_param, "33.6")) |
| priv->tcxo_clock = WL12XX_TCXOCLOCK_33_6; |
| else |
| wl1271_error("Invalid tcxo parameter %s", tcxo_param); |
| } |
| |
| return wlcore_probe(wl, pdev); |
| } |
| |
| static const struct platform_device_id wl12xx_id_table[] __devinitconst = { |
| { "wl12xx", 0 }, |
| { } /* Terminating Entry */ |
| }; |
| MODULE_DEVICE_TABLE(platform, wl12xx_id_table); |
| |
| static struct platform_driver wl12xx_driver = { |
| .probe = wl12xx_probe, |
| .remove = __devexit_p(wlcore_remove), |
| .id_table = wl12xx_id_table, |
| .driver = { |
| .name = "wl12xx_driver", |
| .owner = THIS_MODULE, |
| } |
| }; |
| |
| static int __init wl12xx_init(void) |
| { |
| return platform_driver_register(&wl12xx_driver); |
| } |
| module_init(wl12xx_init); |
| |
| static void __exit wl12xx_exit(void) |
| { |
| platform_driver_unregister(&wl12xx_driver); |
| } |
| module_exit(wl12xx_exit); |
| |
| module_param_named(fref, fref_param, charp, 0); |
| MODULE_PARM_DESC(fref, "FREF clock: 19.2, 26, 26x, 38.4, 38.4x, 52"); |
| |
| module_param_named(tcxo, tcxo_param, charp, 0); |
| MODULE_PARM_DESC(tcxo, |
| "TCXO clock: 19.2, 26, 38.4, 52, 16.368, 32.736, 16.8, 33.6"); |
| |
| MODULE_LICENSE("GPL v2"); |
| MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
| MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE); |
| MODULE_FIRMWARE(WL127X_FW_NAME_MULTI); |
| MODULE_FIRMWARE(WL127X_PLT_FW_NAME); |
| MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE); |
| MODULE_FIRMWARE(WL128X_FW_NAME_MULTI); |
| MODULE_FIRMWARE(WL128X_PLT_FW_NAME); |