diff options
Diffstat (limited to 'drivers/net/wireless/ti')
54 files changed, 6696 insertions, 1492 deletions
diff --git a/drivers/net/wireless/ti/Kconfig b/drivers/net/wireless/ti/Kconfig index 1a72932e2213..be800119d0a3 100644 --- a/drivers/net/wireless/ti/Kconfig +++ b/drivers/net/wireless/ti/Kconfig @@ -8,6 +8,7 @@ menuconfig WL_TI if WL_TI source "drivers/net/wireless/ti/wl1251/Kconfig" source "drivers/net/wireless/ti/wl12xx/Kconfig" +source "drivers/net/wireless/ti/wl18xx/Kconfig" # keep last for automatic dependencies source "drivers/net/wireless/ti/wlcore/Kconfig" diff --git a/drivers/net/wireless/ti/Makefile b/drivers/net/wireless/ti/Makefile index 0a565622d4a4..4d6823983c04 100644 --- a/drivers/net/wireless/ti/Makefile +++ b/drivers/net/wireless/ti/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_WLCORE) += wlcore/ obj-$(CONFIG_WL12XX) += wl12xx/ obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wlcore/ obj-$(CONFIG_WL1251) += wl1251/ +obj-$(CONFIG_WL18XX) += wl18xx/ diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c index d14d69d733a0..6822b845efc1 100644 --- a/drivers/net/wireless/ti/wl1251/cmd.c +++ b/drivers/net/wireless/ti/wl1251/cmd.c @@ -277,15 +277,6 @@ int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel, join->rx_config_options = wl->rx_config; join->rx_filter_options = wl->rx_filter; - /* - * FIXME: disable temporarily all filters because after commit - * 9cef8737 "mac80211: fix managed mode BSSID handling" broke - * association. The filter logic needs to be implemented properly - * and once that is done, this hack can be removed. - */ - join->rx_config_options = 0; - join->rx_filter_options = WL1251_DEFAULT_RX_FILTER; - join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS | RATE_MASK_5_5MBPS | RATE_MASK_11MBPS; diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index d1afb8e3b2ef..3118c425bcf1 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -334,6 +334,12 @@ static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, if (ret < 0) goto out; + /* + * Join command applies filters, and if we are not associated, + * BSSID filter must be disabled for association to work. + */ + if (is_zero_ether_addr(wl->bssid)) + wl->rx_config &= ~CFG_BSSID_FILTER_EN; ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, dtim_period); @@ -348,33 +354,6 @@ out: return ret; } -static void wl1251_filter_work(struct work_struct *work) -{ - struct wl1251 *wl = - container_of(work, struct wl1251, filter_work); - int ret; - - mutex_lock(&wl->mutex); - - if (wl->state == WL1251_STATE_OFF) - goto out; - - ret = wl1251_ps_elp_wakeup(wl); - if (ret < 0) - goto out; - - ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, - wl->dtim_period); - if (ret < 0) - goto out_sleep; - -out_sleep: - wl1251_ps_elp_sleep(wl); - -out: - mutex_unlock(&wl->mutex); -} - static void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct wl1251 *wl = hw->priv; @@ -478,7 +457,6 @@ static void wl1251_op_stop(struct ieee80211_hw *hw) cancel_work_sync(&wl->irq_work); cancel_work_sync(&wl->tx_work); - cancel_work_sync(&wl->filter_work); cancel_delayed_work_sync(&wl->elp_work); mutex_lock(&wl->mutex); @@ -681,13 +659,15 @@ out: FIF_FCSFAIL | \ FIF_BCN_PRBRESP_PROMISC | \ FIF_CONTROL | \ - FIF_OTHER_BSS) + FIF_OTHER_BSS | \ + FIF_PROBE_REQ) static void wl1251_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed, unsigned int *total,u64 multicast) { struct wl1251 *wl = hw->priv; + int ret; wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); @@ -698,7 +678,7 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw, /* no filters which we support changed */ return; - /* FIXME: wl->rx_config and wl->rx_filter are not protected */ + mutex_lock(&wl->mutex); wl->rx_config = WL1251_DEFAULT_RX_CONFIG; wl->rx_filter = WL1251_DEFAULT_RX_FILTER; @@ -721,15 +701,25 @@ static void wl1251_op_configure_filter(struct ieee80211_hw *hw, } if (*total & FIF_CONTROL) wl->rx_filter |= CFG_RX_CTL_EN; - if (*total & FIF_OTHER_BSS) - wl->rx_filter &= ~CFG_BSSID_FILTER_EN; + if (*total & FIF_OTHER_BSS || is_zero_ether_addr(wl->bssid)) + wl->rx_config &= ~CFG_BSSID_FILTER_EN; + if (*total & FIF_PROBE_REQ) + wl->rx_filter |= CFG_RX_PREQ_EN; - /* - * FIXME: workqueues need to be properly cancelled on stop(), for - * now let's just disable changing the filter settings. They will - * be updated any on config(). - */ - /* schedule_work(&wl->filter_work); */ + if (wl->state == WL1251_STATE_OFF) + goto out; + + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + /* send filters to firmware */ + wl1251_acx_rx_config(wl, wl->rx_config, wl->rx_filter); + + wl1251_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); } /* HW encryption */ @@ -1390,7 +1380,6 @@ struct ieee80211_hw *wl1251_alloc_hw(void) skb_queue_head_init(&wl->tx_queue); - INIT_WORK(&wl->filter_work, wl1251_filter_work); INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); wl->channel = WL1251_DEFAULT_CHANNEL; wl->scanning = false; diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h index 9d8f5816c6f9..fd02060038de 100644 --- a/drivers/net/wireless/ti/wl1251/wl1251.h +++ b/drivers/net/wireless/ti/wl1251/wl1251.h @@ -315,7 +315,6 @@ struct wl1251 { bool tx_queue_stopped; struct work_struct tx_work; - struct work_struct filter_work; /* Pending TX frames */ struct sk_buff *tx_frames[16]; diff --git a/drivers/net/wireless/ti/wl12xx/Makefile b/drivers/net/wireless/ti/wl12xx/Makefile index 87f64b14db35..da509aa7d009 100644 --- a/drivers/net/wireless/ti/wl12xx/Makefile +++ b/drivers/net/wireless/ti/wl12xx/Makefile @@ -1,3 +1,3 @@ -wl12xx-objs = main.o cmd.o acx.o +wl12xx-objs = main.o cmd.o acx.o debugfs.o obj-$(CONFIG_WL12XX) += wl12xx.o diff --git a/drivers/net/wireless/ti/wl12xx/acx.h b/drivers/net/wireless/ti/wl12xx/acx.h index d1f5aba0afce..2a26868b837d 100644 --- a/drivers/net/wireless/ti/wl12xx/acx.h +++ b/drivers/net/wireless/ti/wl12xx/acx.h @@ -24,6 +24,21 @@ #define __WL12XX_ACX_H__ #include "../wlcore/wlcore.h" +#include "../wlcore/acx.h" + +#define WL12XX_ACX_ALL_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_INIT_COMPLETE | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_CMD_COMPLETE | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + +#define WL12XX_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) struct wl1271_acx_host_config_bitmap { struct acx_header header; @@ -31,6 +46,228 @@ struct wl1271_acx_host_config_bitmap { __le32 host_cfg_bitmap; } __packed; +struct wl12xx_acx_tx_statistics { + __le32 internal_desc_overflow; +} __packed; + +struct wl12xx_acx_rx_statistics { + __le32 out_of_mem; + __le32 hdr_overflow; + __le32 hw_stuck; + __le32 dropped; + __le32 fcs_err; + __le32 xfr_hint_trig; + __le32 path_reset; + __le32 reset_counter; +} __packed; + +struct wl12xx_acx_dma_statistics { + __le32 rx_requested; + __le32 rx_errors; + __le32 tx_requested; + __le32 tx_errors; +} __packed; + +struct wl12xx_acx_isr_statistics { + /* host command complete */ + __le32 cmd_cmplt; + + /* fiqisr() */ + __le32 fiqs; + + /* (INT_STS_ND & INT_TRIG_RX_HEADER) */ + __le32 rx_headers; + + /* (INT_STS_ND & INT_TRIG_RX_CMPLT) */ + __le32 rx_completes; + + /* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */ + __le32 rx_mem_overflow; + + /* (INT_STS_ND & INT_TRIG_S_RX_RDY) */ + __le32 rx_rdys; + + /* irqisr() */ + __le32 irqs; + + /* (INT_STS_ND & INT_TRIG_TX_PROC) */ + __le32 tx_procs; + + /* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */ + __le32 decrypt_done; + + /* (INT_STS_ND & INT_TRIG_DMA0) */ + __le32 dma0_done; + + /* (INT_STS_ND & INT_TRIG_DMA1) */ + __le32 dma1_done; + + /* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */ + __le32 tx_exch_complete; + + /* (INT_STS_ND & INT_TRIG_COMMAND) */ + __le32 commands; + + /* (INT_STS_ND & INT_TRIG_RX_PROC) */ + __le32 rx_procs; + + /* (INT_STS_ND & INT_TRIG_PM_802) */ + __le32 hw_pm_mode_changes; + + /* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */ + __le32 host_acknowledges; + + /* (INT_STS_ND & INT_TRIG_PM_PCI) */ + __le32 pci_pm; + + /* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */ + __le32 wakeups; + + /* (INT_STS_ND & INT_TRIG_LOW_RSSI) */ + __le32 low_rssi; +} __packed; + +struct wl12xx_acx_wep_statistics { + /* WEP address keys configured */ + __le32 addr_key_count; + + /* default keys configured */ + __le32 default_key_count; + + __le32 reserved; + + /* number of times that WEP key not found on lookup */ + __le32 key_not_found; + + /* number of times that WEP key decryption failed */ + __le32 decrypt_fail; + + /* WEP packets decrypted */ + __le32 packets; + + /* WEP decrypt interrupts */ + __le32 interrupt; +} __packed; + +#define ACX_MISSED_BEACONS_SPREAD 10 + +struct wl12xx_acx_pwr_statistics { + /* the amount of enters into power save mode (both PD & ELP) */ + __le32 ps_enter; + + /* the amount of enters into ELP mode */ + __le32 elp_enter; + + /* the amount of missing beacon interrupts to the host */ + __le32 missing_bcns; + + /* the amount of wake on host-access times */ + __le32 wake_on_host; + + /* the amount of wake on timer-expire */ + __le32 wake_on_timer_exp; + + /* the number of packets that were transmitted with PS bit set */ + __le32 tx_with_ps; + + /* the number of packets that were transmitted with PS bit clear */ + __le32 tx_without_ps; + + /* the number of received beacons */ + __le32 rcvd_beacons; + + /* the number of entering into PowerOn (power save off) */ + __le32 power_save_off; + + /* the number of entries into power save mode */ + __le16 enable_ps; + + /* + * the number of exits from power save, not including failed PS + * transitions + */ + __le16 disable_ps; + + /* + * the number of times the TSF counter was adjusted because + * of drift + */ + __le32 fix_tsf_ps; + + /* Gives statistics about the spread continuous missed beacons. + * The 16 LSB are dedicated for the PS mode. + * The 16 MSB are dedicated for the PS mode. + * cont_miss_bcns_spread[0] - single missed beacon. + * cont_miss_bcns_spread[1] - two continuous missed beacons. + * cont_miss_bcns_spread[2] - three continuous missed beacons. + * ... + * cont_miss_bcns_spread[9] - ten and more continuous missed beacons. + */ + __le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD]; + + /* the number of beacons in awake mode */ + __le32 rcvd_awake_beacons; +} __packed; + +struct wl12xx_acx_mic_statistics { + __le32 rx_pkts; + __le32 calc_failure; +} __packed; + +struct wl12xx_acx_aes_statistics { + __le32 encrypt_fail; + __le32 decrypt_fail; + __le32 encrypt_packets; + __le32 decrypt_packets; + __le32 encrypt_interrupt; + __le32 decrypt_interrupt; +} __packed; + +struct wl12xx_acx_event_statistics { + __le32 heart_beat; + __le32 calibration; + __le32 rx_mismatch; + __le32 rx_mem_empty; + __le32 rx_pool; + __le32 oom_late; + __le32 phy_transmit_error; + __le32 tx_stuck; +} __packed; + +struct wl12xx_acx_ps_statistics { + __le32 pspoll_timeouts; + __le32 upsd_timeouts; + __le32 upsd_max_sptime; + __le32 upsd_max_apturn; + __le32 pspoll_max_apturn; + __le32 pspoll_utilization; + __le32 upsd_utilization; +} __packed; + +struct wl12xx_acx_rxpipe_statistics { + __le32 rx_prep_beacon_drop; + __le32 descr_host_int_trig_rx_data; + __le32 beacon_buffer_thres_host_int_trig_rx_data; + __le32 missed_beacon_host_int_trig_rx_data; + __le32 tx_xfr_host_int_trig_rx_data; +} __packed; + +struct wl12xx_acx_statistics { + struct acx_header header; + + struct wl12xx_acx_tx_statistics tx; + struct wl12xx_acx_rx_statistics rx; + struct wl12xx_acx_dma_statistics dma; + struct wl12xx_acx_isr_statistics isr; + struct wl12xx_acx_wep_statistics wep; + struct wl12xx_acx_pwr_statistics pwr; + struct wl12xx_acx_aes_statistics aes; + struct wl12xx_acx_mic_statistics mic; + struct wl12xx_acx_event_statistics event; + struct wl12xx_acx_ps_statistics ps; + struct wl12xx_acx_rxpipe_statistics rxpipe; +} __packed; + int wl1271_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap); #endif /* __WL12XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl12xx/cmd.c b/drivers/net/wireless/ti/wl12xx/cmd.c index 8ffaeb5f2147..622206241e83 100644 --- a/drivers/net/wireless/ti/wl12xx/cmd.c +++ b/drivers/net/wireless/ti/wl12xx/cmd.c @@ -65,6 +65,7 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) struct wl1271_general_parms_cmd *gen_parms; struct wl1271_ini_general_params *gp = &((struct wl1271_nvs_file *)wl->nvs)->general_params; + struct wl12xx_priv *priv = wl->priv; bool answer = false; int ret; @@ -84,11 +85,15 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) memcpy(&gen_parms->general_params, gp, sizeof(*gp)); - if (gp->tx_bip_fem_auto_detect) + /* If we started in PLT FEM_DETECT mode, force auto detect */ + if (wl->plt_mode == PLT_FEM_DETECT) + gen_parms->general_params.tx_bip_fem_auto_detect = true; + + if (gen_parms->general_params.tx_bip_fem_auto_detect) answer = true; /* Override the REF CLK from the NVS with the one from platform data */ - gen_parms->general_params.ref_clock = wl->ref_clock; + gen_parms->general_params.ref_clock = priv->ref_clock; ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { @@ -105,8 +110,17 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) goto out; } + /* If we are in calibrator based fem auto detect - save fem nr */ + if (wl->plt_mode == PLT_FEM_DETECT) + wl->fem_manuf = gp->tx_bip_fem_manufacturer; + wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", - answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); + answer == false ? + "manual" : + wl->plt_mode == PLT_FEM_DETECT ? + "calibrator_fem_detect" : + "auto", + gp->tx_bip_fem_manufacturer); out: kfree(gen_parms); @@ -118,6 +132,7 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) struct wl128x_general_parms_cmd *gen_parms; struct wl128x_ini_general_params *gp = &((struct wl128x_nvs_file *)wl->nvs)->general_params; + struct wl12xx_priv *priv = wl->priv; bool answer = false; int ret; @@ -137,12 +152,16 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) memcpy(&gen_parms->general_params, gp, sizeof(*gp)); - if (gp->tx_bip_fem_auto_detect) + /* If we started in PLT FEM_DETECT mode, force auto detect */ + if (wl->plt_mode == PLT_FEM_DETECT) + gen_parms->general_params.tx_bip_fem_auto_detect = true; + + if (gen_parms->general_params.tx_bip_fem_auto_detect) answer = true; /* Replace REF and TCXO CLKs with the ones from platform data */ - gen_parms->general_params.ref_clock = wl->ref_clock; - gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock; + gen_parms->general_params.ref_clock = priv->ref_clock; + gen_parms->general_params.tcxo_ref_clock = priv->tcxo_clock; ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { @@ -159,8 +178,17 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) goto out; } + /* If we are in calibrator based fem auto detect - save fem nr */ + if (wl->plt_mode == PLT_FEM_DETECT) + wl->fem_manuf = gp->tx_bip_fem_manufacturer; + wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n", - answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer); + answer == false ? + "manual" : + wl->plt_mode == PLT_FEM_DETECT ? + "calibrator_fem_detect" : + "auto", + gp->tx_bip_fem_manufacturer); out: kfree(gen_parms); @@ -172,7 +200,7 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl) struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs; struct wl1271_radio_parms_cmd *radio_parms; struct wl1271_ini_general_params *gp = &nvs->general_params; - int ret; + int ret, fem_idx; if (!wl->nvs) return -ENODEV; @@ -183,11 +211,13 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl) radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; + fem_idx = WL12XX_FEM_TO_NVS_ENTRY(gp->tx_bip_fem_manufacturer); + /* 2.4GHz parameters */ memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, sizeof(struct wl1271_ini_band_params_2)); memcpy(&radio_parms->dyn_params_2, - &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, + &nvs->dyn_radio_params_2[fem_idx].params, sizeof(struct wl1271_ini_fem_params_2)); /* 5GHz parameters */ @@ -195,7 +225,7 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl) &nvs->stat_radio_params_5, sizeof(struct wl1271_ini_band_params_5)); memcpy(&radio_parms->dyn_params_5, - &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, + &nvs->dyn_radio_params_5[fem_idx].params, sizeof(struct wl1271_ini_fem_params_5)); wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ", @@ -214,7 +244,7 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl) struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs; struct wl128x_radio_parms_cmd *radio_parms; struct wl128x_ini_general_params *gp = &nvs->general_params; - int ret; + int ret, fem_idx; if (!wl->nvs) return -ENODEV; @@ -225,11 +255,13 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl) radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM; + fem_idx = WL12XX_FEM_TO_NVS_ENTRY(gp->tx_bip_fem_manufacturer); + /* 2.4GHz parameters */ memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2, sizeof(struct wl128x_ini_band_params_2)); memcpy(&radio_parms->dyn_params_2, - &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params, + &nvs->dyn_radio_params_2[fem_idx].params, sizeof(struct wl128x_ini_fem_params_2)); /* 5GHz parameters */ @@ -237,7 +269,7 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl) &nvs->stat_radio_params_5, sizeof(struct wl128x_ini_band_params_5)); memcpy(&radio_parms->dyn_params_5, - &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params, + &nvs->dyn_radio_params_5[fem_idx].params, sizeof(struct wl128x_ini_fem_params_5)); radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options; diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c new file mode 100644 index 000000000000..0521cbf858cf --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/debugfs.c @@ -0,0 +1,243 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2009 Nokia Corporation + * Copyright (C) 2011-2012 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 "../wlcore/debugfs.h" +#include "../wlcore/wlcore.h" + +#include "wl12xx.h" +#include "acx.h" +#include "debugfs.h" + +#define WL12XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ + DEBUGFS_FWSTATS_FILE(a, b, c, wl12xx_acx_statistics) + +WL12XX_DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, dropped, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, commands, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u"); +/* skipping wep.reserved */ +WL12XX_DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u"); +/* skipping cont_miss_bcns_spread for now */ +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, oom_late, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, + "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); + +int wl12xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) +{ + int ret = 0; + struct dentry *entry, *stats, *moddir; + + moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir); + if (!moddir || IS_ERR(moddir)) { + entry = moddir; + goto err; + } + + stats = debugfs_create_dir("fw_stats", moddir); + if (!stats || IS_ERR(stats)) { + entry = stats; + goto err; + } + + DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); + + DEBUGFS_FWSTATS_ADD(rx, out_of_mem); + DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, hw_stuck); + DEBUGFS_FWSTATS_ADD(rx, dropped); + DEBUGFS_FWSTATS_ADD(rx, fcs_err); + DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); + DEBUGFS_FWSTATS_ADD(rx, path_reset); + DEBUGFS_FWSTATS_ADD(rx, reset_counter); + + DEBUGFS_FWSTATS_ADD(dma, rx_requested); + DEBUGFS_FWSTATS_ADD(dma, rx_errors); + DEBUGFS_FWSTATS_ADD(dma, tx_requested); + DEBUGFS_FWSTATS_ADD(dma, tx_errors); + + DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); + DEBUGFS_FWSTATS_ADD(isr, fiqs); + DEBUGFS_FWSTATS_ADD(isr, rx_headers); + DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); + DEBUGFS_FWSTATS_ADD(isr, rx_rdys); + DEBUGFS_FWSTATS_ADD(isr, irqs); + DEBUGFS_FWSTATS_ADD(isr, tx_procs); + DEBUGFS_FWSTATS_ADD(isr, decrypt_done); + DEBUGFS_FWSTATS_ADD(isr, dma0_done); + DEBUGFS_FWSTATS_ADD(isr, dma1_done); + DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); + DEBUGFS_FWSTATS_ADD(isr, commands); + DEBUGFS_FWSTATS_ADD(isr, rx_procs); + DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); + DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); + DEBUGFS_FWSTATS_ADD(isr, pci_pm); + DEBUGFS_FWSTATS_ADD(isr, wakeups); + DEBUGFS_FWSTATS_ADD(isr, low_rssi); + + DEBUGFS_FWSTATS_ADD(wep, addr_key_count); + DEBUGFS_FWSTATS_ADD(wep, default_key_count); + /* skipping wep.reserved */ + DEBUGFS_FWSTATS_ADD(wep, key_not_found); + DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); + DEBUGFS_FWSTATS_ADD(wep, packets); + DEBUGFS_FWSTATS_ADD(wep, interrupt); + + DEBUGFS_FWSTATS_ADD(pwr, ps_enter); + DEBUGFS_FWSTATS_ADD(pwr, elp_enter); + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); + DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); + DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); + DEBUGFS_FWSTATS_ADD(pwr, power_save_off); + DEBUGFS_FWSTATS_ADD(pwr, enable_ps); + DEBUGFS_FWSTATS_ADD(pwr, disable_ps); + DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); + /* skipping cont_miss_bcns_spread for now */ + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); + + DEBUGFS_FWSTATS_ADD(mic, rx_pkts); + DEBUGFS_FWSTATS_ADD(mic, calc_failure); + + DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); + DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); + + DEBUGFS_FWSTATS_ADD(event, heart_beat); + DEBUGFS_FWSTATS_ADD(event, calibration); + DEBUGFS_FWSTATS_ADD(event, rx_mismatch); + DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); + DEBUGFS_FWSTATS_ADD(event, rx_pool); + DEBUGFS_FWSTATS_ADD(event, oom_late); + DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); + DEBUGFS_FWSTATS_ADD(event, tx_stuck); + + DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); + DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); + + DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); + DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); + + return 0; + +err: + if (IS_ERR(entry)) + ret = PTR_ERR(entry); + else + ret = -ENOMEM; + + return ret; +} diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.h b/drivers/net/wireless/ti/wl12xx/debugfs.h new file mode 100644 index 000000000000..96898e291b78 --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/debugfs.h @@ -0,0 +1,28 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * 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 + * + */ + +#ifndef __WL12XX_DEBUGFS_H__ +#define __WL12XX_DEBUGFS_H__ + +int wl12xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir); + +#endif /* __WL12XX_DEBUGFS_H__ */ diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index d7dd3def07b5..f429fc110cb0 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -39,6 +39,10 @@ #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 = { @@ -212,7 +216,7 @@ static struct wlcore_conf wl12xx_conf = { .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 = 2, + .bcn_filt_ie_count = 3, .bcn_filt_ie = { [0] = { .ie = WLAN_EID_CHANNEL_SWITCH, @@ -222,9 +226,13 @@ static struct wlcore_conf wl12xx_conf = { .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 = 10, - .bss_lose_timeout = 100, + .synch_fail_thold = 12, + .bss_lose_timeout = 400, .beacon_rx_timeout = 10000, .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, @@ -234,10 +242,11 @@ static struct wlcore_conf wl12xx_conf = { .psm_entry_retries = 8, .psm_exit_retries = 16, .psm_entry_nullfunc_retries = 3, - .dynamic_ps_timeout = 40, + .dynamic_ps_timeout = 1500, .forced_ps = false, .keep_alive_interval = 55000, .max_listen_interval = 20, + .sta_sleep_auth = WL1271_PSM_ILLEGAL, }, .itrim = { .enable = false, @@ -245,7 +254,7 @@ static struct wlcore_conf wl12xx_conf = { }, .pm_config = { .host_clk_settling_time = 5000, - .host_fast_wakeup_support = false + .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE, }, .roam_trigger = { .trigger_pacing = 1, @@ -305,8 +314,8 @@ static struct wlcore_conf wl12xx_conf = { .swallow_period = 5, .n_divider_fref_set_1 = 0xff, /* default */ .n_divider_fref_set_2 = 12, - .m_divider_fref_set_1 = 148, - .m_divider_fref_set_2 = 0xffff, /* default */ + .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 */ @@ -581,19 +590,21 @@ static const int wl12xx_rtable[REG_TABLE_LEN] = { }; /* 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 WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-5-mr.bin" +#define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-5-sr.bin" +#define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-5-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" +#define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-5-mr.bin" +#define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-5-sr.bin" +#define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-5-plt.bin" -static void wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) +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 wl1271_rx_mem_pool_addr rx_mem_addr; + struct wl127x_rx_mem_pool_addr rx_mem_addr; /* * Choose the block we want to read @@ -607,9 +618,13 @@ static void wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) rx_mem_addr.addr_extra = rx_mem_addr.addr + 4; - wl1271_write(wl, WL1271_SLV_REG_DATA, - &rx_mem_addr, sizeof(rx_mem_addr), false); + 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) @@ -621,10 +636,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl->chip.id); - /* clear the alignment quirk, since we don't support it */ - wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; + wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | + WLCORE_QUIRK_DUAL_PROBE_TMPL | + 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, @@ -633,16 +647,18 @@ static int wl12xx_identify_chip(struct wl1271 *wl) /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; + wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, WL127X_IFTYPE_VER, + WL127X_MAJOR_VER, WL127X_SUBTYPE_VER, + WL127X_MINOR_VER); break; case CHIP_ID_1271_PG20: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); - /* clear the alignment quirk, since we don't support it */ - wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; + wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | + WLCORE_QUIRK_DUAL_PROBE_TMPL | + 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; @@ -652,6 +668,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; + wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, WL127X_IFTYPE_VER, + WL127X_MAJOR_VER, WL127X_SUBTYPE_VER, + WL127X_MINOR_VER); break; case CHIP_ID_1283_PG20: @@ -660,6 +679,15 @@ static int wl12xx_identify_chip(struct wl1271 *wl) 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_DUAL_PROBE_TMPL | + WLCORE_QUIRK_TKIP_HEADER_SPACE; + + wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, WL128X_IFTYPE_VER, + WL128X_MAJOR_VER, WL128X_SUBTYPE_VER, + WL128X_MINOR_VER); break; case CHIP_ID_1283_PG10: default: @@ -672,64 +700,95 @@ out: return ret; } -static void wl12xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) +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; - wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr); + ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); + if (ret < 0) + goto out; /* write value to OCP_POR_WDATA */ - wl1271_write32(wl, WL12XX_OCP_DATA_WRITE, val); + ret = wlcore_write32(wl, WL12XX_OCP_DATA_WRITE, val); + if (ret < 0) + goto out; /* write 1 to OCP_CMD */ - wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); + ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); + if (ret < 0) + goto out; + +out: + return ret; } -static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr) +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; - wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr); + ret = wlcore_write32(wl, WL12XX_OCP_POR_CTR, addr); + if (ret < 0) + return ret; /* write 2 to OCP_CMD */ - wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); + ret = wlcore_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); + if (ret < 0) + return ret; /* poll for data ready */ do { - val = wl1271_read32(wl, WL12XX_OCP_DATA_READ); + 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 0xffff; + return -ETIMEDOUT; } /* check data status and return if OK */ - if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK) - return val & 0xffff; - else { + if ((val & OCP_STATUS_MASK) != OCP_STATUS_OK) { wl1271_warning("Top register access returned error."); - return 0xffff; + 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 */ - spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG); + 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)); - wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); + 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 */ - wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG, - WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_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); @@ -740,8 +799,12 @@ static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) 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; - tcxo_detection = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG); if (tcxo_detection & TCXO_DET_FAILED) return false; @@ -751,8 +814,12 @@ static bool wl128x_is_tcxo_valid(struct wl1271 *wl) 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; - fref_detection = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG); if (fref_detection & FREF_CLK_DETECT_FAIL) return false; @@ -761,11 +828,21 @@ static bool wl128x_is_fref_valid(struct wl1271 *wl) static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) { - wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); - wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); - wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, MCS_PLL_CONFIG_REG_VAL); + int ret; - return 0; + 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) @@ -773,30 +850,40 @@ 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 */ - spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG); + 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); - wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); + ret = wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); + if (ret < 0) + return ret; /* Handle special cases of the TCXO clock */ - if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || - wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6) + 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; - pll_config = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG); + 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; - wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); + ret = wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); - return 0; + return ret; } /* @@ -808,26 +895,31 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) */ 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 (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL || - wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) { + 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 */ - sys_clk_cfg = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG); + 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 (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || - wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { + 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; @@ -836,14 +928,14 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) /* TCXO clock is selected */ if (!wl128x_is_tcxo_valid(wl)) return -EINVAL; - *selected_clock = wl->tcxo_clock; + *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 = wl->ref_clock; + *selected_clock = priv->ref_clock; config_mcs_pll: return wl128x_configure_mcs_pll(wl, *selected_clock); @@ -851,69 +943,98 @@ config_mcs_pll: 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 (wl->ref_clock == CONF_REF_CLK_19_2_E || - wl->ref_clock == CONF_REF_CLK_38_4_E || - wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL) + 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 (wl->ref_clock == CONF_REF_CLK_26_E || - wl->ref_clock == CONF_REF_CLK_52_E) + 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 (wl->ref_clock != CONF_REF_CLK_19_2_E) { + if (priv->ref_clock != CONF_REF_CLK_19_2_E) { u16 val; /* Set clock type (open drain) */ - val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE); + ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE, &val); + if (ret < 0) + goto out; + val &= FREF_CLK_TYPE_BITS; - wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); + ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); + if (ret < 0) + goto out; /* Set clock pull mode (no pull) */ - val = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL); + ret = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL, &val); + if (ret < 0) + goto out; + val |= NO_PULL; - wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); + ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); + if (ret < 0) + goto out; } else { u16 val; /* Set clock polarity */ - val = wl12xx_top_reg_read(wl, OCP_REG_CLK_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; - wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); + ret = wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); + if (ret < 0) + goto out; } - wl1271_write32(wl, WL12XX_PLL_PARAMETERS, clk); + ret = wlcore_write32(wl, WL12XX_PLL_PARAMETERS, clk); + if (ret < 0) + goto out; - pause = wl1271_read32(wl, WL12XX_PLL_PARAMETERS); + 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; - wl1271_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); + ret = wlcore_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); - return 0; +out: + return ret; } static int wl1271_boot_soft_reset(struct wl1271 *wl) { unsigned long timeout; u32 boot_data; + int ret = 0; /* perform soft reset */ - wl1271_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); + 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) { - boot_data = wl1271_read32(wl, WL12XX_SLV_SOFT_RESET); + 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; @@ -929,16 +1050,20 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl) } /* disable Rx/Tx */ - wl1271_write32(wl, WL12XX_ENABLE, 0x0); + ret = wlcore_write32(wl, WL12XX_ENABLE, 0x0); + if (ret < 0) + goto out; /* disable auto calibration on start*/ - wl1271_write32(wl, WL12XX_SPARE_A2, 0xffff); + ret = wlcore_write32(wl, WL12XX_SPARE_A2, 0xffff); - return 0; +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; @@ -954,30 +1079,43 @@ static int wl12xx_pre_boot(struct wl1271 *wl) } /* Continue the ELP wake up sequence */ - wl1271_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); + ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); + if (ret < 0) + goto out; + udelay(500); - wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); + 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 */ - clk = wl1271_read32(wl, WL12XX_DRPW_SCRATCH_START); + 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 |= (wl->ref_clock << 1) << 4; + clk |= (priv->ref_clock << 1) << 4; - wl1271_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); + ret = wlcore_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); + if (ret < 0) + goto out; - wlcore_set_partition(wl, &wl->ptable[PART_WORK]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); + if (ret < 0) + goto out; /* Disable interrupts */ - wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); + 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) @@ -987,47 +1125,72 @@ out: return ret; } -static void wl12xx_pre_upload(struct wl1271 *wl) +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"); - wl1271_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND); + ret = wlcore_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND); + if (ret < 0) + goto out; - tmp = wlcore_read_reg(wl, REG_CHIP_ID_B); + 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 */ - tmp = wl1271_read32(wl, WL12XX_SCR_PAD2); + 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) - wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); -} - -static void wl12xx_enable_interrupts(struct wl1271 *wl) -{ - u32 polarity; + 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 = wl12xx_top_reg_read(wl, OCP_REG_POLARITY); + /* 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; - wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); + ret = wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); + +out: + return ret; +} - wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); +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); - wlcore_write_reg(wl, REG_INTERRUPT_MASK, - WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + 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); - wl1271_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); +out: + return ret; } static int wl12xx_boot(struct wl1271 *wl) @@ -1042,7 +1205,9 @@ static int wl12xx_boot(struct wl1271 *wl) if (ret < 0) goto out; - wl12xx_pre_upload(wl); + ret = wl12xx_pre_upload(wl); + if (ret < 0) + goto out; ret = wlcore_boot_upload_firmware(wl); if (ret < 0) @@ -1052,22 +1217,30 @@ static int wl12xx_boot(struct wl1271 *wl) if (ret < 0) goto out; - wl12xx_enable_interrupts(wl); + ret = wl12xx_enable_interrupts(wl); out: return ret; } -static void wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, +static int wl12xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, void *buf, size_t len) { - wl1271_write(wl, cmd_box_addr, buf, len, false); - wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD); + 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 void wl12xx_ack_event(struct wl1271 *wl) +static int wl12xx_ack_event(struct wl1271 *wl) { - wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK); + 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) @@ -1147,12 +1320,13 @@ static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, return data_len - sizeof(*desc) - desc->pad_len; } -static void wl12xx_tx_delayed_compl(struct wl1271 *wl) +static int wl12xx_tx_delayed_compl(struct wl1271 *wl) { - if (wl->fw_status->tx_results_counter == (wl->tx_results_count & 0xff)) - return; + if (wl->fw_status_1->tx_results_counter == + (wl->tx_results_count & 0xff)) + return 0; - wl1271_tx_complete(wl); + return wlcore_tx_complete(wl); } static int wl12xx_hw_init(struct wl1271 *wl) @@ -1165,6 +1339,14 @@ static int wl12xx_hw_init(struct wl1271 *wl) ret = wl128x_cmd_general_parms(wl); if (ret < 0) goto out; + + /* + * If we are in calibrator based auto detect then we got the FEM nr + * in wl->fem_manuf. No need to continue further + */ + if (wl->plt_mode == PLT_FEM_DETECT) + goto out; + ret = wl128x_cmd_radio_parms(wl); if (ret < 0) goto out; @@ -1181,6 +1363,14 @@ static int wl12xx_hw_init(struct wl1271 *wl) ret = wl1271_cmd_general_parms(wl); if (ret < 0) goto out; + + /* + * If we are in calibrator based auto detect then we got the FEM nr + * in wl->fem_manuf. No need to continue further + */ + if (wl->plt_mode == PLT_FEM_DETECT) + goto out; + ret = wl1271_cmd_radio_parms(wl); if (ret < 0) goto out; @@ -1253,45 +1443,151 @@ static bool wl12xx_mac_in_fuse(struct wl1271 *wl) return supported; } -static void wl12xx_get_fuse_mac(struct wl1271 *wl) +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; - wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); + ret = wlcore_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1, &mac1); + if (ret < 0) + goto out; - mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1); - mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2); + 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; - wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); + +out: + return ret; } -static s8 wl12xx_get_pg_ver(struct wl1271 *wl) +static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver) { - u32 die_info; + u16 die_info; + int ret; if (wl->chip.id == CHIP_ID_1283_PG20) - die_info = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1); + ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1, + &die_info); else - die_info = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1); + ret = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1, + &die_info); - return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET; + if (ret >= 0 && ver) + *ver = (s8)((die_info & PG_VER_MASK) >> PG_VER_OFFSET); + + return ret; } -static void wl12xx_get_mac(struct wl1271 *wl) +static int wl12xx_get_mac(struct wl1271 *wl) { if (wl12xx_mac_in_fuse(wl)) - wl12xx_get_fuse_mac(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; + + /* + * If we are in calibrator based auto detect then we got the FEM nr + * in wl->fem_manuf. No need to continue further + */ + if (wl->plt_mode == PLT_FEM_DETECT) + goto out; + + 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, @@ -1306,6 +1602,13 @@ static struct wlcore_ops wl12xx_ops = { .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 = { @@ -1323,6 +1626,7 @@ static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { 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; @@ -1334,19 +1638,63 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) } wl = hw->priv; + priv = wl->priv; wl->ops = &wl12xx_ops; wl->ptable = wl12xx_ptable; wl->rtable = wl12xx_rtable; wl->num_tx_desc = 16; - wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; - wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE; + 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; - memcpy(&wl->ht_cap, &wl12xx_ht_cap, sizeof(wl12xx_ht_cap)); + 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); } @@ -1378,6 +1726,13 @@ static void __exit wl12xx_exit(void) } 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); diff --git a/drivers/net/wireless/ti/wl12xx/wl12xx.h b/drivers/net/wireless/ti/wl12xx/wl12xx.h index 74cd332e23ef..26990fb4edea 100644 --- a/drivers/net/wireless/ti/wl12xx/wl12xx.h +++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h @@ -24,8 +24,30 @@ #include "conf.h" +/* minimum FW required for driver for wl127x */ +#define WL127X_CHIP_VER 6 +#define WL127X_IFTYPE_VER 3 +#define WL127X_MAJOR_VER 10 +#define WL127X_SUBTYPE_VER 2 +#define WL127X_MINOR_VER 115 + +/* minimum FW required for driver for wl128x */ +#define WL128X_CHIP_VER 7 +#define WL128X_IFTYPE_VER 3 +#define WL128X_MAJOR_VER 10 +#define WL128X_SUBTYPE_VER 2 +#define WL128X_MINOR_VER 115 + +struct wl127x_rx_mem_pool_addr { + u32 addr; + u32 addr_extra; +}; + struct wl12xx_priv { struct wl12xx_priv_conf conf; + + int ref_clock; + int tcxo_clock; }; #endif /* __WL12XX_PRIV_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/Kconfig b/drivers/net/wireless/ti/wl18xx/Kconfig new file mode 100644 index 000000000000..1cfdb2548821 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/Kconfig @@ -0,0 +1,7 @@ +config WL18XX + tristate "TI wl18xx support" + depends on MAC80211 + select WLCORE + ---help--- + This module adds support for wireless adapters based on TI + WiLink 8 chipsets. diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile new file mode 100644 index 000000000000..67c098734c7f --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -0,0 +1,3 @@ +wl18xx-objs = main.o acx.o tx.o io.o debugfs.o + +obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c new file mode 100644 index 000000000000..72840e23bf59 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -0,0 +1,111 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * 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 "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/acx.h" + +#include "acx.h" + +int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, + u32 sdio_blk_size, u32 extra_mem_blks, + u32 len_field_size) +{ + struct wl18xx_acx_host_config_bitmap *bitmap_conf; + int ret; + + wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d", + host_cfg_bitmap, sdio_blk_size, extra_mem_blks, + len_field_size); + + bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL); + if (!bitmap_conf) { + ret = -ENOMEM; + goto out; + } + + bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap); + bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size); + bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks); + bitmap_conf->length_field_size = cpu_to_le32(len_field_size); + + ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP, + bitmap_conf, sizeof(*bitmap_conf)); + if (ret < 0) { + wl1271_warning("wl1271 bitmap config opt failed: %d", ret); + goto out; + } + +out: + kfree(bitmap_conf); + + return ret; +} + +int wl18xx_acx_set_checksum_state(struct wl1271 *wl) +{ + struct wl18xx_acx_checksum_state *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx checksum state"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED; + + ret = wl1271_cmd_configure(wl, ACX_CHECKSUM_CONFIG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to set Tx checksum state: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl18xx_acx_clear_statistics(struct wl1271 *wl) +{ + struct wl18xx_acx_clear_statistics *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx clear statistics"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to clear firmware statistics: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h new file mode 100644 index 000000000000..e2609a6b7341 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -0,0 +1,287 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments. All rights reserved. + * + * 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 + * + */ + +#ifndef __WL18XX_ACX_H__ +#define __WL18XX_ACX_H__ + +#include "../wlcore/wlcore.h" +#include "../wlcore/acx.h" + +enum { + ACX_CLEAR_STATISTICS = 0x0047, +}; + +/* numbers of bits the length field takes (add 1 for the actual number) */ +#define WL18XX_HOST_IF_LEN_SIZE_FIELD 15 + +#define WL18XX_ACX_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_INIT_COMPLETE | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_CMD_COMPLETE | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA | \ + WL1271_ACX_SW_INTR_WATCHDOG) + +#define WL18XX_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA | \ + WL1271_ACX_SW_INTR_WATCHDOG) + +struct wl18xx_acx_host_config_bitmap { + struct acx_header header; + + __le32 host_cfg_bitmap; + + __le32 host_sdio_block_size; + + /* extra mem blocks per frame in TX. */ + __le32 extra_mem_blocks; + + /* + * number of bits of the length field in the first TX word + * (up to 15 - for using the entire 16 bits). + */ + __le32 length_field_size; + +} __packed; + +enum { + CHECKSUM_OFFLOAD_DISABLED = 0, + CHECKSUM_OFFLOAD_ENABLED = 1, + CHECKSUM_OFFLOAD_FAKE_RX = 2, + CHECKSUM_OFFLOAD_INVALID = 0xFF +}; + +struct wl18xx_acx_checksum_state { + struct acx_header header; + + /* enum acx_checksum_state */ + u8 checksum_state; + u8 pad[3]; +} __packed; + + +struct wl18xx_acx_error_stats { + u32 error_frame; + u32 error_null_Frame_tx_start; + u32 error_numll_frame_cts_start; + u32 error_bar_retry; + u32 error_frame_cts_nul_flid; +} __packed; + +struct wl18xx_acx_debug_stats { + u32 debug1; + u32 debug2; + u32 debug3; + u32 debug4; + u32 debug5; + u32 debug6; +} __packed; + +struct wl18xx_acx_ring_stats { + u32 prepared_descs; + u32 tx_cmplt; +} __packed; + +struct wl18xx_acx_tx_stats { + u32 tx_prepared_descs; + u32 tx_cmplt; + u32 tx_template_prepared; + u32 tx_data_prepared; + u32 tx_template_programmed; + u32 tx_data_programmed; + u32 tx_burst_programmed; + u32 tx_starts; + u32 tx_imm_resp; + u32 tx_start_templates; + u32 tx_start_int_templates; + u32 tx_start_fw_gen; + u32 tx_start_data; + u32 tx_start_null_frame; + u32 tx_exch; + u32 tx_retry_template; + u32 tx_retry_data; + u32 tx_exch_pending; + u32 tx_exch_expiry; + u32 tx_done_template; + u32 tx_done_data; + u32 tx_done_int_template; + u32 tx_frame_checksum; + u32 tx_checksum_result; + u32 frag_called; + u32 frag_mpdu_alloc_failed; + u32 frag_init_called; + u32 frag_in_process_called; + u32 frag_tkip_called; + u32 frag_key_not_found; + u32 frag_need_fragmentation; + u32 frag_bad_mblk_num; + u32 frag_failed; + u32 frag_cache_hit; + u32 frag_cache_miss; +} __packed; + +struct wl18xx_acx_rx_stats { + u32 rx_beacon_early_term; + u32 rx_out_of_mpdu_nodes; + u32 rx_hdr_overflow; + u32 rx_dropped_frame; + u32 rx_done_stage; + u32 rx_done; + u32 rx_defrag; + u32 rx_defrag_end; + u32 rx_cmplt; + u32 rx_pre_complt; + u32 rx_cmplt_task; + u32 rx_phy_hdr; + u32 rx_timeout; + u32 rx_timeout_wa; + u32 rx_wa_density_dropped_frame; + u32 rx_wa_ba_not_expected; + u32 rx_frame_checksum; + u32 rx_checksum_result; + u32 defrag_called; + u32 defrag_init_called; + u32 defrag_in_process_called; + u32 defrag_tkip_called; + u32 defrag_need_defrag; + u32 defrag_decrypt_failed; + u32 decrypt_key_not_found; + u32 defrag_need_decrypt; + u32 rx_tkip_replays; +} __packed; + +struct wl18xx_acx_isr_stats { + u32 irqs; +} __packed; + +#define PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD 10 + +struct wl18xx_acx_pwr_stats { + u32 missing_bcns_cnt; + u32 rcvd_bcns_cnt; + u32 connection_out_of_sync; + u32 cont_miss_bcns_spread[PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD]; + u32 rcvd_awake_bcns_cnt; +} __packed; + +struct wl18xx_acx_event_stats { + u32 calibration; + u32 rx_mismatch; + u32 rx_mem_empty; +} __packed; + +struct wl18xx_acx_ps_poll_stats { + u32 ps_poll_timeouts; + u32 upsd_timeouts; + u32 upsd_max_ap_turn; + u32 ps_poll_max_ap_turn; + u32 ps_poll_utilization; + u32 upsd_utilization; +} __packed; + +struct wl18xx_acx_rx_filter_stats { + u32 beacon_filter; + u32 arp_filter; + u32 mc_filter; + u32 dup_filter; + u32 data_filter; + u32 ibss_filter; + u32 protection_filter; + u32 accum_arp_pend_requests; + u32 max_arp_queue_dep; +} __packed; + +struct wl18xx_acx_rx_rate_stats { + u32 rx_frames_per_rates[50]; +} __packed; + +#define AGGR_STATS_TX_AGG 16 +#define AGGR_STATS_TX_RATE 16 +#define AGGR_STATS_RX_SIZE_LEN 16 + +struct wl18xx_acx_aggr_stats { + u32 tx_agg_vs_rate[AGGR_STATS_TX_AGG * AGGR_STATS_TX_RATE]; + u32 rx_size[AGGR_STATS_RX_SIZE_LEN]; +} __packed; + +#define PIPE_STATS_HW_FIFO 11 + +struct wl18xx_acx_pipeline_stats { + u32 hs_tx_stat_fifo_int; + u32 hs_rx_stat_fifo_int; + u32 tcp_tx_stat_fifo_int; + u32 tcp_rx_stat_fifo_int; + u32 enc_tx_stat_fifo_int; + u32 enc_rx_stat_fifo_int; + u32 rx_complete_stat_fifo_int; + u32 pre_proc_swi; + u32 post_proc_swi; + u32 sec_frag_swi; + u32 pre_to_defrag_swi; + u32 defrag_to_csum_swi; + u32 csum_to_rx_xfer_swi; + u32 dec_packet_in; + u32 dec_packet_in_fifo_full; + u32 dec_packet_out; + u32 cs_rx_packet_in; + u32 cs_rx_packet_out; + u16 pipeline_fifo_full[PIPE_STATS_HW_FIFO]; +} __packed; + +struct wl18xx_acx_mem_stats { + u32 rx_free_mem_blks; + u32 tx_free_mem_blks; + u32 fwlog_free_mem_blks; + u32 fw_gen_free_mem_blks; +} __packed; + +struct wl18xx_acx_statistics { + struct acx_header header; + + struct wl18xx_acx_error_stats error; + struct wl18xx_acx_debug_stats debug; + struct wl18xx_acx_tx_stats tx; + struct wl18xx_acx_rx_stats rx; + struct wl18xx_acx_isr_stats isr; + struct wl18xx_acx_pwr_stats pwr; + struct wl18xx_acx_ps_poll_stats ps_poll; + struct wl18xx_acx_rx_filter_stats rx_filter; + struct wl18xx_acx_rx_rate_stats rx_rate; + struct wl18xx_acx_aggr_stats aggr_size; + struct wl18xx_acx_pipeline_stats pipeline; + struct wl18xx_acx_mem_stats mem; +} __packed; + +struct wl18xx_acx_clear_statistics { + struct acx_header header; +}; + +int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, + u32 sdio_blk_size, u32 extra_mem_blks, + u32 len_field_size); +int wl18xx_acx_set_checksum_state(struct wl1271 *wl); +int wl18xx_acx_clear_statistics(struct wl1271 *wl); + +#endif /* __WL18XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h new file mode 100644 index 000000000000..4d426cc20274 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -0,0 +1,111 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * 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 + * + */ + +#ifndef __WL18XX_CONF_H__ +#define __WL18XX_CONF_H__ + +#define WL18XX_CONF_MAGIC 0x10e100ca +#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0003) +#define WL18XX_CONF_MASK 0x0000ffff +#define WL18XX_CONF_SIZE (WLCORE_CONF_SIZE + \ + sizeof(struct wl18xx_priv_conf)) + +#define NUM_OF_CHANNELS_11_ABG 150 +#define NUM_OF_CHANNELS_11_P 7 +#define WL18XX_NUM_OF_SUB_BANDS 9 +#define SRF_TABLE_LEN 16 +#define PIN_MUXING_SIZE 2 + +struct wl18xx_mac_and_phy_params { + u8 phy_standalone; + u8 rdl; + u8 enable_clpc; + u8 enable_tx_low_pwr_on_siso_rdl; + u8 auto_detect; + u8 dedicated_fem; + + u8 low_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ + u8 low_band_component_type; + + u8 high_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ + u8 high_band_component_type; + u8 number_of_assembled_ant2_4; + u8 number_of_assembled_ant5; + u8 pin_muxing_platform_options[PIN_MUXING_SIZE]; + u8 external_pa_dc2dc; + u8 tcxo_ldo_voltage; + u8 xtal_itrim_val; + u8 srf_state; + u8 srf1[SRF_TABLE_LEN]; + u8 srf2[SRF_TABLE_LEN]; + u8 srf3[SRF_TABLE_LEN]; + u8 io_configuration; + u8 sdio_configuration; + u8 settings; + u8 rx_profile; + u8 per_chan_pwr_limit_arr_11abg[NUM_OF_CHANNELS_11_ABG]; + u8 pwr_limit_reference_11_abg; + u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; + u8 pwr_limit_reference_11p; + u8 per_sub_band_tx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 per_sub_band_rx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 primary_clock_setting_time; + u8 clock_valid_on_wake_up; + u8 secondary_clock_setting_time; + u8 board_type; + /* enable point saturation */ + u8 psat; + /* low/medium/high Tx power in dBm */ + s8 low_power_val; + s8 med_power_val; + s8 high_power_val; + u8 padding[1]; +} __packed; + +enum wl18xx_ht_mode { + /* Default - use MIMO, fallback to SISO20 */ + HT_MODE_DEFAULT = 0, + + /* Wide - use SISO40 */ + HT_MODE_WIDE = 1, + + /* Use SISO20 */ + HT_MODE_SISO20 = 2, +}; + +struct wl18xx_ht_settings { + /* DEFAULT / WIDE / SISO20 */ + u8 mode; +} __packed; + +struct wl18xx_priv_conf { + /* Module params structures */ + struct wl18xx_ht_settings ht; + + /* this structure is copied wholesale to FW */ + struct wl18xx_mac_and_phy_params phy; +} __packed; + +#endif /* __WL18XX_CONF_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c new file mode 100644 index 000000000000..3ce6f1039af3 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -0,0 +1,403 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2009 Nokia Corporation + * Copyright (C) 2011-2012 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 "../wlcore/debugfs.h" +#include "../wlcore/wlcore.h" + +#include "wl18xx.h" +#include "acx.h" +#include "debugfs.h" + +#define WL18XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ + DEBUGFS_FWSTATS_FILE(a, b, c, wl18xx_acx_statistics) +#define WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c) \ + DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c, wl18xx_acx_statistics) + + +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug1, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug2, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug3, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug4, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug5, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug6, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_null_Frame_tx_start, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_numll_frame_cts_start, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_bar_retry, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_frame_cts_nul_flid, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_prepared_descs, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_cmplt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_prepared, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_prepared, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_burst_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_starts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_imm_resp, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_templates, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_int_templates, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_fw_gen, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_null_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_pending, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_expiry, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_int_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_frame_checksum, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_checksum_result, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_mpdu_alloc_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_init_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_in_process_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_tkip_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_key_not_found, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_need_fragmentation, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_bad_mblk_num, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_hit, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_miss, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_beacon_early_term, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mpdu_nodes, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hdr_overflow, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_dropped_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag_end, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_pre_complt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt_task, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_phy_hdr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout_wa, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_wa_density_dropped_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_wa_ba_not_expected, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_frame_checksum, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_checksum_result, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_init_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_in_process_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_tkip_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_defrag, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_decrypt_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, decrypt_key_not_found, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_decrypt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_tkip_replays, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns_cnt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_bcns_cnt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, connection_out_of_sync, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pwr, cont_miss_bcns_spread, + PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_bcns_cnt, "%u"); + + +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_timeouts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_timeouts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_max_ap_turn, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_max_ap_turn, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_utilization, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_utilization, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, beacon_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, arp_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, mc_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, dup_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, data_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, ibss_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, accum_arp_pend_requests, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, max_arp_queue_dep, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(rx_rate, rx_frames_per_rates, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_vs_rate, + AGGR_STATS_TX_AGG*AGGR_STATS_TX_RATE); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, rx_size, + AGGR_STATS_RX_SIZE_LEN); + +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, hs_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, tcp_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, tcp_rx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_rx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, rx_complete_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_proc_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, post_proc_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, sec_frag_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_to_defrag_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, defrag_to_csum_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, csum_to_rx_xfer_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in_fifo_full, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_out, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_in, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_out, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pipeline, pipeline_fifo_full, + PIPE_STATS_HW_FIFO); + +WL18XX_DEBUGFS_FWSTATS_FILE(mem, rx_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u"); + +static ssize_t conf_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + struct wl18xx_priv *priv = wl->priv; + struct wlcore_conf_header header; + char *buf, *pos; + size_t len; + int ret; + + len = WL18XX_CONF_SIZE; + buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + header.magic = cpu_to_le32(WL18XX_CONF_MAGIC); + header.version = cpu_to_le32(WL18XX_CONF_VERSION); + header.checksum = 0; + + mutex_lock(&wl->mutex); + + pos = buf; + memcpy(pos, &header, sizeof(header)); + pos += sizeof(header); + memcpy(pos, &wl->conf, sizeof(wl->conf)); + pos += sizeof(wl->conf); + memcpy(pos, &priv->conf, sizeof(priv->conf)); + + mutex_unlock(&wl->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + return ret; +} + +static const struct file_operations conf_ops = { + .read = conf_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t clear_fw_stats_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + int ret; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl18xx_acx_clear_statistics(wl); + if (ret < 0) { + count = ret; + goto out; + } +out: + mutex_unlock(&wl->mutex); + return count; +} + +static const struct file_operations clear_fw_stats_ops = { + .write = clear_fw_stats_write, + .open = simple_open, + .llseek = default_llseek, +}; + +int wl18xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) +{ + int ret = 0; + struct dentry *entry, *stats, *moddir; + + moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir); + if (!moddir || IS_ERR(moddir)) { + entry = moddir; + goto err; + } + + stats = debugfs_create_dir("fw_stats", moddir); + if (!stats || IS_ERR(stats)) { + entry = stats; + goto err; + } + + DEBUGFS_ADD(clear_fw_stats, stats); + + DEBUGFS_FWSTATS_ADD(debug, debug1); + DEBUGFS_FWSTATS_ADD(debug, debug2); + DEBUGFS_FWSTATS_ADD(debug, debug3); + DEBUGFS_FWSTATS_ADD(debug, debug4); + DEBUGFS_FWSTATS_ADD(debug, debug5); + DEBUGFS_FWSTATS_ADD(debug, debug6); + + DEBUGFS_FWSTATS_ADD(error, error_frame); + DEBUGFS_FWSTATS_ADD(error, error_null_Frame_tx_start); + DEBUGFS_FWSTATS_ADD(error, error_numll_frame_cts_start); + DEBUGFS_FWSTATS_ADD(error, error_bar_retry); + DEBUGFS_FWSTATS_ADD(error, error_frame_cts_nul_flid); + + DEBUGFS_FWSTATS_ADD(tx, tx_prepared_descs); + DEBUGFS_FWSTATS_ADD(tx, tx_cmplt); + DEBUGFS_FWSTATS_ADD(tx, tx_template_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_data_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_template_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_data_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_burst_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_starts); + DEBUGFS_FWSTATS_ADD(tx, tx_imm_resp); + DEBUGFS_FWSTATS_ADD(tx, tx_start_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_int_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_fw_gen); + DEBUGFS_FWSTATS_ADD(tx, tx_start_data); + DEBUGFS_FWSTATS_ADD(tx, tx_start_null_frame); + DEBUGFS_FWSTATS_ADD(tx, tx_exch); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_template); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_data); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_pending); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_expiry); + DEBUGFS_FWSTATS_ADD(tx, tx_done_template); + DEBUGFS_FWSTATS_ADD(tx, tx_done_data); + DEBUGFS_FWSTATS_ADD(tx, tx_done_int_template); + DEBUGFS_FWSTATS_ADD(tx, tx_frame_checksum); + DEBUGFS_FWSTATS_ADD(tx, tx_checksum_result); + DEBUGFS_FWSTATS_ADD(tx, frag_called); + DEBUGFS_FWSTATS_ADD(tx, frag_mpdu_alloc_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_init_called); + DEBUGFS_FWSTATS_ADD(tx, frag_in_process_called); + DEBUGFS_FWSTATS_ADD(tx, frag_tkip_called); + DEBUGFS_FWSTATS_ADD(tx, frag_key_not_found); + DEBUGFS_FWSTATS_ADD(tx, frag_need_fragmentation); + DEBUGFS_FWSTATS_ADD(tx, frag_bad_mblk_num); + DEBUGFS_FWSTATS_ADD(tx, frag_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_hit); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_miss); + + DEBUGFS_FWSTATS_ADD(rx, rx_beacon_early_term); + DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mpdu_nodes); + DEBUGFS_FWSTATS_ADD(rx, rx_hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, rx_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_done); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag_end); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt); + DEBUGFS_FWSTATS_ADD(rx, rx_pre_complt); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt_task); + DEBUGFS_FWSTATS_ADD(rx, rx_phy_hdr); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout_wa); + DEBUGFS_FWSTATS_ADD(rx, rx_wa_density_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_wa_ba_not_expected); + DEBUGFS_FWSTATS_ADD(rx, rx_frame_checksum); + DEBUGFS_FWSTATS_ADD(rx, rx_checksum_result); + DEBUGFS_FWSTATS_ADD(rx, defrag_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_init_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_in_process_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_tkip_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_defrag); + DEBUGFS_FWSTATS_ADD(rx, defrag_decrypt_failed); + DEBUGFS_FWSTATS_ADD(rx, decrypt_key_not_found); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_decrypt); + DEBUGFS_FWSTATS_ADD(rx, rx_tkip_replays); + + DEBUGFS_FWSTATS_ADD(isr, irqs); + + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, connection_out_of_sync); + DEBUGFS_FWSTATS_ADD(pwr, cont_miss_bcns_spread); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_bcns_cnt); + + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_timeouts); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_timeouts); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_max_ap_turn); + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_max_ap_turn); + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_utilization); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_utilization); + + DEBUGFS_FWSTATS_ADD(rx_filter, beacon_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, arp_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, mc_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, dup_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, data_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, ibss_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, protection_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, accum_arp_pend_requests); + DEBUGFS_FWSTATS_ADD(rx_filter, max_arp_queue_dep); + + DEBUGFS_FWSTATS_ADD(rx_rate, rx_frames_per_rates); + + DEBUGFS_FWSTATS_ADD(aggr_size, tx_agg_vs_rate); + DEBUGFS_FWSTATS_ADD(aggr_size, rx_size); + + DEBUGFS_FWSTATS_ADD(pipeline, hs_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, tcp_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, tcp_rx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_rx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, rx_complete_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, pre_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, post_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, sec_frag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, pre_to_defrag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, defrag_to_csum_swi); + DEBUGFS_FWSTATS_ADD(pipeline, csum_to_rx_xfer_swi); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in_fifo_full); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_out); + DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_in); + DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_out); + DEBUGFS_FWSTATS_ADD(pipeline, pipeline_fifo_full); + + DEBUGFS_FWSTATS_ADD(mem, rx_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, tx_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, fwlog_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks); + + DEBUGFS_ADD(conf, moddir); + + return 0; + +err: + if (IS_ERR(entry)) + ret = PTR_ERR(entry); + else + ret = -ENOMEM; + + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.h b/drivers/net/wireless/ti/wl18xx/debugfs.h new file mode 100644 index 000000000000..ed679bebf620 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/debugfs.h @@ -0,0 +1,28 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * 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 + * + */ + +#ifndef __WL18XX_DEBUGFS_H__ +#define __WL18XX_DEBUGFS_H__ + +int wl18xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir); + +#endif /* __WL18XX_DEBUGFS_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/io.c b/drivers/net/wireless/ti/wl18xx/io.c new file mode 100644 index 000000000000..f0abf3ef2c95 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/io.c @@ -0,0 +1,75 @@ +/* + * 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 "../wlcore/wlcore.h" +#include "../wlcore/io.h" + +#include "io.h" + +int wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) +{ + u32 tmp; + int ret; + + if (WARN_ON(addr % 2)) + return -EINVAL; + + if ((addr % 4) == 0) { + ret = wlcore_read32(wl, addr, &tmp); + if (ret < 0) + goto out; + + tmp = (tmp & 0xffff0000) | val; + ret = wlcore_write32(wl, addr, tmp); + } else { + ret = wlcore_read32(wl, addr - 2, &tmp); + if (ret < 0) + goto out; + + tmp = (tmp & 0xffff) | (val << 16); + ret = wlcore_write32(wl, addr - 2, tmp); + } + +out: + return ret; +} + +int wl18xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out) +{ + u32 val = 0; + int ret; + + if (WARN_ON(addr % 2)) + return -EINVAL; + + if ((addr % 4) == 0) { + /* address is 4-bytes aligned */ + ret = wlcore_read32(wl, addr, &val); + if (ret >= 0 && out) + *out = val & 0xffff; + } else { + ret = wlcore_read32(wl, addr - 2, &val); + if (ret >= 0 && out) + *out = (val & 0xffff0000) >> 16; + } + + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/io.h b/drivers/net/wireless/ti/wl18xx/io.h new file mode 100644 index 000000000000..c32ae30277df --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/io.h @@ -0,0 +1,28 @@ +/* + * 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 + * + */ + +#ifndef __WL18XX_IO_H__ +#define __WL18XX_IO_H__ + +int __must_check wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val); +int __must_check wl18xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out); + +#endif /* __WL18XX_IO_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c new file mode 100644 index 000000000000..69042bb9a097 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -0,0 +1,1610 @@ +/* + * 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/io.h" +#include "../wlcore/boot.h" + +#include "reg.h" +#include "conf.h" +#include "acx.h" +#include "tx.h" +#include "wl18xx.h" +#include "io.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 bool enable_11a_param = true; +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, + }, + .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_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 = 10, + .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, + }, +}; + +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, + .rdl = 0x01, + .auto_detect = 0x00, + .dedicated_fem = FEM_NONE, + .low_band_component = COMPONENT_2_WAY_SWITCH, + .low_band_component_type = 0x06, + .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 = 0xc8, + .psat = 0, + .low_power_val = 0x00, + .med_power_val = 0x0a, + .high_power_val = 0x1e, + .external_pa_dc2dc = 0, + .number_of_assembled_ant2_4 = 1, + .number_of_assembled_ant5 = 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.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_NO_ELP | + WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | + WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | + WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN | + WLCORE_QUIRK_TX_PAD_LAST_FRAME; + + wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER, WL18XX_IFTYPE_VER, + WL18XX_MAJOR_VER, WL18XX_SUBTYPE_VER, + WL18XX_MINOR_VER); + 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; + } + +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); + +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; + + 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_vif_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; + + return priv->conf.phy.number_of_assembled_ant2_4 >= 2; +} + +/* + * 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; + + 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 VIFs requiring extra spare, indulge them */ + if (priv->extra_spare_vif_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; + int ret; + + /* + * when adding the first or removing the last GEM/TKIP interface, + * we have to adjust the number of spare blocks. + */ + change_spare = (key_conf->cipher == WL1271_CIPHER_SUITE_GEM || + key_conf->cipher == WLAN_CIPHER_SUITE_TKIP) && + ((priv->extra_spare_vif_count == 0 && cmd == SET_KEY) || + (priv->extra_spare_vif_count == 1 && cmd == DISABLE_KEY)); + + /* no need to change spare - just regular set_key */ + if (!change_spare) + return wlcore_set_key(wl, cmd, vif, sta, key_conf); + + /* + * stop the queues and flush to ensure the next packets are + * in sync with FW spare block accounting + */ + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); + wl1271_tx_flush(wl); + + ret = wlcore_set_key(wl, cmd, vif, sta, key_conf); + if (ret < 0) + goto out; + + /* key is now set, change the spare blocks */ + if (cmd == SET_KEY) { + ret = wl18xx_set_host_cfg_bitmap(wl, + WL18XX_TX_HW_EXTRA_BLOCK_SPARE); + if (ret < 0) + goto out; + + priv->extra_spare_vif_count++; + } else { + ret = wl18xx_set_host_cfg_bitmap(wl, + WL18XX_TX_HW_BLOCK_SPARE); + if (ret < 0) + goto out; + + priv->extra_spare_vif_count--; + } + +out: + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); + 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 struct wlcore_ops wl18xx_ops = { + .identify_chip = wl18xx_identify_chip, + .boot = wl18xx_boot, + .plt_init = wl18xx_plt_init, + .trigger_cmd = wl18xx_trigger_cmd, + .ack_event = wl18xx_ack_event, + .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, + .handle_static_data = wl18xx_handle_static_data, + .get_spare_blocks = wl18xx_get_spare_blocks, + .set_key = wl18xx_set_key, + .pre_pkt_send = wl18xx_pre_pkt_send, +}; + +/* 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, + .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, + .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, + .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, + .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 __devinit wl18xx_probe(struct platform_device *pdev) +{ + struct wl1271 *wl; + struct ieee80211_hw *hw; + struct wl18xx_priv *priv; + int ret; + + hw = wlcore_alloc_hw(sizeof(*priv)); + if (IS_ERR(hw)) { + wl1271_error("can't allocate hw"); + ret = PTR_ERR(hw); + goto out; + } + + wl = hw->priv; + priv = wl->priv; + wl->ops = &wl18xx_ops; + wl->ptable = wl18xx_ptable; + wl->rtable = wl18xx_rtable; + wl->num_tx_desc = 32; + wl->num_rx_desc = 32; + 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, &pdev->dev); + if (ret < 0) + goto out_free; + + /* 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); + ret = -EINVAL; + goto out_free; + } + } + + /* HACK! Just for now we hardcode COM8 and HDK to 0x06 */ + switch (priv->conf.phy.board_type) { + case BOARD_TYPE_HDK_18XX: + case BOARD_TYPE_COM8_18XX: + priv->conf.phy.low_band_component_type = 0x06; + break; + case BOARD_TYPE_FPGA_18XX: + case BOARD_TYPE_DVP_18XX: + case BOARD_TYPE_EVB_18XX: + priv->conf.phy.low_band_component_type = 0x05; + break; + default: + wl1271_error("invalid board type '%d'", + priv->conf.phy.board_type); + ret = -EINVAL; + goto out_free; + } + + 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); + ret = -EINVAL; + goto out_free; + } + } + + if (priv->conf.ht.mode == HT_MODE_DEFAULT) { + /* + * Only support mimo with multiple antennas. Fall back to + * siso20. + */ + 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_siso20_ht_cap); + + /* 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; + } + + wl->enable_11a = enable_11a_param; + + return wlcore_probe(wl, pdev); + +out_free: + wlcore_free_hw(wl); +out: + return ret; +} + +static const struct platform_device_id wl18xx_id_table[] __devinitconst = { + { "wl18xx", 0 }, + { } /* Terminating Entry */ +}; +MODULE_DEVICE_TABLE(platform, wl18xx_id_table); + +static struct platform_driver wl18xx_driver = { + .probe = wl18xx_probe, + .remove = __devexit_p(wlcore_remove), + .id_table = wl18xx_id_table, + .driver = { + .name = "wl18xx_driver", + .owner = THIS_MODULE, + } +}; + +static int __init wl18xx_init(void) +{ + return platform_driver_register(&wl18xx_driver); +} +module_init(wl18xx_init); + +static void __exit wl18xx_exit(void) +{ + platform_driver_unregister(&wl18xx_driver); +} +module_exit(wl18xx_exit); + +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(enable_11a, enable_11a_param, bool, S_IRUSR); +MODULE_PARM_DESC(enable_11a, "Enable 11a (5GHz): boolean (defaults to true)"); + +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); diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h new file mode 100644 index 000000000000..937b71d8783f --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -0,0 +1,191 @@ +/* + * This file is part of wlcore + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * 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 + * + */ + +#ifndef __REG_H__ +#define __REG_H__ + +#define WL18XX_REGISTERS_BASE 0x00800000 +#define WL18XX_CODE_BASE 0x00000000 +#define WL18XX_DATA_BASE 0x00400000 +#define WL18XX_DOUBLE_BUFFER_BASE 0x00600000 +#define WL18XX_MCU_KEY_SEARCH_BASE 0x00700000 +#define WL18XX_PHY_BASE 0x00900000 +#define WL18XX_TOP_OCP_BASE 0x00A00000 +#define WL18XX_PACKET_RAM_BASE 0x00B00000 +#define WL18XX_HOST_BASE 0x00C00000 + +#define WL18XX_REGISTERS_DOWN_SIZE 0x0000B000 + +#define WL18XX_REG_BOOT_PART_START 0x00802000 +#define WL18XX_REG_BOOT_PART_SIZE 0x00014578 + +#define WL18XX_PHY_INIT_MEM_ADDR 0x80926000 + +#define WL18XX_SDIO_WSPI_BASE (WL18XX_REGISTERS_BASE) +#define WL18XX_REG_CONFIG_BASE (WL18XX_REGISTERS_BASE + 0x02000) +#define WL18XX_WGCM_REGS_BASE (WL18XX_REGISTERS_BASE + 0x03000) +#define WL18XX_ENC_BASE (WL18XX_REGISTERS_BASE + 0x04000) +#define WL18XX_INTERRUPT_BASE (WL18XX_REGISTERS_BASE + 0x05000) +#define WL18XX_UART_BASE (WL18XX_REGISTERS_BASE + 0x06000) +#define WL18XX_WELP_BASE (WL18XX_REGISTERS_BASE + 0x07000) +#define WL18XX_TCP_CKSM_BASE (WL18XX_REGISTERS_BASE + 0x08000) +#define WL18XX_FIFO_BASE (WL18XX_REGISTERS_BASE + 0x09000) +#define WL18XX_OCP_BRIDGE_BASE (WL18XX_REGISTERS_BASE + 0x0A000) +#define WL18XX_PMAC_RX_BASE (WL18XX_REGISTERS_BASE + 0x14800) +#define WL18XX_PMAC_ACM_BASE (WL18XX_REGISTERS_BASE + 0x14C00) +#define WL18XX_PMAC_TX_BASE (WL18XX_REGISTERS_BASE + 0x15000) +#define WL18XX_PMAC_CSR_BASE (WL18XX_REGISTERS_BASE + 0x15400) + +#define WL18XX_REG_ECPU_CONTROL (WL18XX_REGISTERS_BASE + 0x02004) +#define WL18XX_REG_INTERRUPT_NO_CLEAR (WL18XX_REGISTERS_BASE + 0x050E8) +#define WL18XX_REG_INTERRUPT_ACK (WL18XX_REGISTERS_BASE + 0x050F0) +#define WL18XX_REG_INTERRUPT_TRIG (WL18XX_REGISTERS_BASE + 0x5074) +#define WL18XX_REG_INTERRUPT_TRIG_H (WL18XX_REGISTERS_BASE + 0x5078) +#define WL18XX_REG_INTERRUPT_MASK (WL18XX_REGISTERS_BASE + 0x0050DC) + +#define WL18XX_REG_CHIP_ID_B (WL18XX_REGISTERS_BASE + 0x01542C) + +#define WL18XX_SLV_MEM_DATA (WL18XX_HOST_BASE + 0x0018) +#define WL18XX_SLV_REG_DATA (WL18XX_HOST_BASE + 0x0008) + +/* Scratch Pad registers*/ +#define WL18XX_SCR_PAD0 (WL18XX_REGISTERS_BASE + 0x0154EC) +#define WL18XX_SCR_PAD1 (WL18XX_REGISTERS_BASE + 0x0154F0) +#define WL18XX_SCR_PAD2 (WL18XX_REGISTERS_BASE + 0x0154F4) +#define WL18XX_SCR_PAD3 (WL18XX_REGISTERS_BASE + 0x0154F8) +#define WL18XX_SCR_PAD4 (WL18XX_REGISTERS_BASE + 0x0154FC) +#define WL18XX_SCR_PAD4_SET (WL18XX_REGISTERS_BASE + 0x015504) +#define WL18XX_SCR_PAD4_CLR (WL18XX_REGISTERS_BASE + 0x015500) +#define WL18XX_SCR_PAD5 (WL18XX_REGISTERS_BASE + 0x015508) +#define WL18XX_SCR_PAD5_SET (WL18XX_REGISTERS_BASE + 0x015510) +#define WL18XX_SCR_PAD5_CLR (WL18XX_REGISTERS_BASE + 0x01550C) +#define WL18XX_SCR_PAD6 (WL18XX_REGISTERS_BASE + 0x015514) +#define WL18XX_SCR_PAD7 (WL18XX_REGISTERS_BASE + 0x015518) +#define WL18XX_SCR_PAD8 (WL18XX_REGISTERS_BASE + 0x01551C) +#define WL18XX_SCR_PAD9 (WL18XX_REGISTERS_BASE + 0x015520) + +/* Spare registers*/ +#define WL18XX_SPARE_A1 (WL18XX_REGISTERS_BASE + 0x002194) +#define WL18XX_SPARE_A2 (WL18XX_REGISTERS_BASE + 0x002198) +#define WL18XX_SPARE_A3 (WL18XX_REGISTERS_BASE + 0x00219C) +#define WL18XX_SPARE_A4 (WL18XX_REGISTERS_BASE + 0x0021A0) +#define WL18XX_SPARE_A5 (WL18XX_REGISTERS_BASE + 0x0021A4) +#define WL18XX_SPARE_A6 (WL18XX_REGISTERS_BASE + 0x0021A8) +#define WL18XX_SPARE_A7 (WL18XX_REGISTERS_BASE + 0x0021AC) +#define WL18XX_SPARE_A8 (WL18XX_REGISTERS_BASE + 0x0021B0) +#define WL18XX_SPARE_B1 (WL18XX_REGISTERS_BASE + 0x015524) +#define WL18XX_SPARE_B2 (WL18XX_REGISTERS_BASE + 0x015528) +#define WL18XX_SPARE_B3 (WL18XX_REGISTERS_BASE + 0x01552C) +#define WL18XX_SPARE_B4 (WL18XX_REGISTERS_BASE + 0x015530) +#define WL18XX_SPARE_B5 (WL18XX_REGISTERS_BASE + 0x015534) +#define WL18XX_SPARE_B6 (WL18XX_REGISTERS_BASE + 0x015538) +#define WL18XX_SPARE_B7 (WL18XX_REGISTERS_BASE + 0x01553C) +#define WL18XX_SPARE_B8 (WL18XX_REGISTERS_BASE + 0x015540) + +#define WL18XX_REG_COMMAND_MAILBOX_PTR (WL18XX_SCR_PAD0) +#define WL18XX_REG_EVENT_MAILBOX_PTR (WL18XX_SCR_PAD1) +#define WL18XX_EEPROMLESS_IND (WL18XX_SCR_PAD4) + +#define WL18XX_WELP_ARM_COMMAND (WL18XX_REGISTERS_BASE + 0x7100) +#define WL18XX_ENABLE (WL18XX_REGISTERS_BASE + 0x01543C) + +/* PRCM registers */ +#define PLATFORM_DETECTION 0xA0E3E0 +#define OCS_EN 0xA02080 +#define PRIMARY_CLK_DETECT 0xA020A6 +#define PLLSH_WCS_PLL_N 0xA02362 +#define PLLSH_WCS_PLL_M 0xA02360 +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_1 0xA02364 +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_2 0xA02366 +#define PLLSH_WCS_PLL_P_FACTOR_CFG_1 0xA02368 +#define PLLSH_WCS_PLL_P_FACTOR_CFG_2 0xA0236A +#define PLLSH_WCS_PLL_SWALLOW_EN 0xA0236C +#define PLLSH_WL_PLL_EN 0xA02392 + +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK 0xFFFF +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK 0x007F +#define PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK 0xFFFF +#define PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK 0x000F + +#define PLLSH_WCS_PLL_SWALLOW_EN_VAL1 0x1 +#define PLLSH_WCS_PLL_SWALLOW_EN_VAL2 0x12 + +#define WL18XX_REG_FUSE_DATA_1_3 0xA0260C +#define WL18XX_PG_VER_MASK 0x70 +#define WL18XX_PG_VER_OFFSET 4 + +#define WL18XX_REG_FUSE_BD_ADDR_1 0xA02602 +#define WL18XX_REG_FUSE_BD_ADDR_2 0xA02606 + +#define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 + +#define WL18XX_FW_STATUS_ADDR 0x50F8 + +#define CHIP_ID_185x_PG10 (0x06030101) +#define CHIP_ID_185x_PG20 (0x06030111) + +/* + * Host Command Interrupt. Setting this bit masks + * the interrupt that the host issues to inform + * the FW that it has sent a command + * to the Wlan hardware Command Mailbox. + */ +#define WL18XX_INTR_TRIG_CMD BIT(28) + +/* + * Host Event Acknowlegde Interrupt. The host + * sets this bit to acknowledge that it received + * the unsolicited information from the event + * mailbox. + */ +#define WL18XX_INTR_TRIG_EVENT_ACK BIT(29) + +/* + * To boot the firmware in PLT mode we need to write this value in + * SCR_PAD8 before starting. + */ +#define WL18XX_SCR_PAD8_PLT 0xBABABEBE + +enum { + COMPONENT_NO_SWITCH = 0x0, + COMPONENT_2_WAY_SWITCH = 0x1, + COMPONENT_3_WAY_SWITCH = 0x2, + COMPONENT_MATCHING = 0x3, +}; + +enum { + FEM_NONE = 0x0, + FEM_VENDOR_1 = 0x1, + FEM_VENDOR_2 = 0x2, + FEM_VENDOR_3 = 0x3, +}; + +enum { + BOARD_TYPE_EVB_18XX = 0, + BOARD_TYPE_DVP_18XX = 1, + BOARD_TYPE_HDK_18XX = 2, + BOARD_TYPE_FPGA_18XX = 3, + BOARD_TYPE_COM8_18XX = 4, + + NUM_BOARD_TYPES, +}; + +#endif /* __REG_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/tx.c b/drivers/net/wireless/ti/wl18xx/tx.c new file mode 100644 index 000000000000..5b1fb10d9fd7 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/tx.c @@ -0,0 +1,127 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * 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 "../wlcore/wlcore.h" +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/acx.h" +#include "../wlcore/tx.h" + +#include "wl18xx.h" +#include "tx.h" + +static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) +{ + struct ieee80211_tx_info *info; + struct sk_buff *skb; + int id = tx_stat_byte & WL18XX_TX_STATUS_DESC_ID_MASK; + bool tx_success; + + /* check for id legality */ + if (unlikely(id >= wl->num_tx_desc || wl->tx_frames[id] == NULL)) { + wl1271_warning("illegal id in tx completion: %d", id); + return; + } + + /* a zero bit indicates Tx success */ + tx_success = !(tx_stat_byte & BIT(WL18XX_TX_STATUS_STAT_BIT_IDX)); + + + skb = wl->tx_frames[id]; + info = IEEE80211_SKB_CB(skb); + + if (wl12xx_is_dummy_packet(wl, skb)) { + wl1271_free_tx_id(wl, id); + return; + } + + /* update the TX status info */ + if (tx_success && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) + info->flags |= IEEE80211_TX_STAT_ACK; + + /* no real data about Tx completion */ + info->status.rates[0].idx = -1; + info->status.rates[0].count = 0; + info->status.rates[0].flags = 0; + info->status.ack_signal = -1; + + if (!tx_success) + wl->stats.retry_count++; + + /* + * TODO: update sequence number for encryption? seems to be + * unsupported for now. needed for recovery with encryption. + */ + + /* remove private header from packet */ + skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); + + /* remove TKIP header space if present */ + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && + info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { + int hdrlen = ieee80211_get_hdrlen_from_skb(skb); + memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, hdrlen); + skb_pull(skb, WL1271_EXTRA_SPACE_TKIP); + } + + wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p success %d", + id, skb, tx_success); + + /* return the packet to the stack */ + skb_queue_tail(&wl->deferred_tx_queue, skb); + queue_work(wl->freezable_wq, &wl->netstack_work); + wl1271_free_tx_id(wl, id); +} + +void wl18xx_tx_immediate_complete(struct wl1271 *wl) +{ + struct wl18xx_fw_status_priv *status_priv = + (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv; + struct wl18xx_priv *priv = wl->priv; + u8 i; + + /* nothing to do here */ + if (priv->last_fw_rls_idx == status_priv->fw_release_idx) + return; + + /* freed Tx descriptors */ + wl1271_debug(DEBUG_TX, "last released desc = %d, current idx = %d", + priv->last_fw_rls_idx, status_priv->fw_release_idx); + + if (status_priv->fw_release_idx >= WL18XX_FW_MAX_TX_STATUS_DESC) { + wl1271_error("invalid desc release index %d", + status_priv->fw_release_idx); + WARN_ON(1); + return; + } + + for (i = priv->last_fw_rls_idx; + i != status_priv->fw_release_idx; + i = (i + 1) % WL18XX_FW_MAX_TX_STATUS_DESC) { + wl18xx_tx_complete_packet(wl, + status_priv->released_tx_desc[i]); + + wl->tx_results_count++; + } + + priv->last_fw_rls_idx = status_priv->fw_release_idx; +} diff --git a/drivers/net/wireless/ti/wl18xx/tx.h b/drivers/net/wireless/ti/wl18xx/tx.h new file mode 100644 index 000000000000..ccddc548e44a --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/tx.h @@ -0,0 +1,46 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments. All rights reserved. + * + * 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 + * + */ + +#ifndef __WL18XX_TX_H__ +#define __WL18XX_TX_H__ + +#include "../wlcore/wlcore.h" + +#define WL18XX_TX_HW_BLOCK_SPARE 1 +/* for special cases - namely, TKIP and GEM */ +#define WL18XX_TX_HW_EXTRA_BLOCK_SPARE 2 +#define WL18XX_TX_HW_BLOCK_SIZE 268 + +#define WL18XX_TX_STATUS_DESC_ID_MASK 0x7F +#define WL18XX_TX_STATUS_STAT_BIT_IDX 7 + +/* Indicates this TX HW frame is not padded to SDIO block size */ +#define WL18XX_TX_CTRL_NOT_PADDED BIT(7) + +/* + * The FW uses a special bit to indicate a wide channel should be used in + * the rate policy. + */ +#define CONF_TX_RATE_USE_WIDE_CHAN BIT(31) + +void wl18xx_tx_immediate_complete(struct wl1271 *wl); + +#endif /* __WL12XX_TX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h new file mode 100644 index 000000000000..6452396fa1d4 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -0,0 +1,95 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * 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 + * + */ + +#ifndef __WL18XX_PRIV_H__ +#define __WL18XX_PRIV_H__ + +#include "conf.h" + +/* minimum FW required for driver */ +#define WL18XX_CHIP_VER 8 +#define WL18XX_IFTYPE_VER 2 +#define WL18XX_MAJOR_VER 0 +#define WL18XX_SUBTYPE_VER 0 +#define WL18XX_MINOR_VER 100 + +#define WL18XX_CMD_MAX_SIZE 740 + +struct wl18xx_priv { + /* buffer for sending commands to FW */ + u8 cmd_buf[WL18XX_CMD_MAX_SIZE]; + + struct wl18xx_priv_conf conf; + + /* Index of last released Tx desc in FW */ + u8 last_fw_rls_idx; + + /* number of VIFs requiring extra spare mem-blocks */ + int extra_spare_vif_count; +}; + +#define WL18XX_FW_MAX_TX_STATUS_DESC 33 + +struct wl18xx_fw_status_priv { + /* + * Index in released_tx_desc for first byte that holds + * released tx host desc + */ + u8 fw_release_idx; + + /* + * Array of host Tx descriptors, where fw_release_idx + * indicated the first released idx. + */ + u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC]; + + u8 padding[2]; +}; + +#define WL18XX_PHY_VERSION_MAX_LEN 20 + +struct wl18xx_static_data_priv { + char phy_version[WL18XX_PHY_VERSION_MAX_LEN]; +}; + +struct wl18xx_clk_cfg { + u32 n; + u32 m; + u32 p; + u32 q; + bool swallow; +}; + +enum { + CLOCK_CONFIG_16_2_M = 1, + CLOCK_CONFIG_16_368_M, + CLOCK_CONFIG_16_8_M, + CLOCK_CONFIG_19_2_M, + CLOCK_CONFIG_26_M, + CLOCK_CONFIG_32_736_M, + CLOCK_CONFIG_33_6_M, + CLOCK_CONFIG_38_468_M, + CLOCK_CONFIG_52_M, + + NUM_CLOCK_CONFIGS, +}; + +#endif /* __WL18XX_PRIV_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index f3d6fa508269..ce108a736bd0 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -70,7 +70,7 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth) struct acx_sleep_auth *auth; int ret; - wl1271_debug(DEBUG_ACX, "acx sleep auth"); + wl1271_debug(DEBUG_ACX, "acx sleep auth %d", sleep_auth); auth = kzalloc(sizeof(*auth), GFP_KERNEL); if (!auth) { @@ -81,11 +81,18 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth) auth->sleep_auth = sleep_auth; ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth)); + if (ret < 0) { + wl1271_error("could not configure sleep_auth to %d: %d", + sleep_auth, ret); + goto out; + } + wl->sleep_auth = sleep_auth; out: kfree(auth); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_sleep_auth); int wl1271_acx_tx_power(struct wl1271 *wl, struct wl12xx_vif *wlvif, int power) @@ -708,14 +715,14 @@ out: return ret; } -int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats) +int wl1271_acx_statistics(struct wl1271 *wl, void *stats) { int ret; wl1271_debug(DEBUG_ACX, "acx statistics"); ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats, - sizeof(*stats)); + wl->stats.fw_stats_len); if (ret < 0) { wl1271_warning("acx statistics failed: %d", ret); return -ENOMEM; @@ -997,6 +1004,7 @@ out: kfree(mem_conf); return ret; } +EXPORT_SYMBOL_GPL(wl12xx_acx_mem_cfg); int wl1271_acx_init_mem_config(struct wl1271 *wl) { @@ -1027,6 +1035,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl) return 0; } +EXPORT_SYMBOL_GPL(wl1271_acx_init_mem_config); int wl1271_acx_init_rx_interrupt(struct wl1271 *wl) { @@ -1150,6 +1159,7 @@ out: kfree(acx); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_pm_config); int wl1271_acx_keep_alive_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool enable) diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index e6a74869a5ff..d03215d6b3bd 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -51,21 +51,18 @@ #define WL1271_ACX_INTR_TRACE_A BIT(7) /* Trace message on MBOX #B */ #define WL1271_ACX_INTR_TRACE_B BIT(8) +/* SW FW Initiated interrupt Watchdog timer expiration */ +#define WL1271_ACX_SW_INTR_WATCHDOG BIT(9) -#define WL1271_ACX_INTR_ALL 0xFFFFFFFF -#define WL1271_ACX_ALL_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ - WL1271_ACX_INTR_INIT_COMPLETE | \ - WL1271_ACX_INTR_EVENT_A | \ - WL1271_ACX_INTR_EVENT_B | \ - WL1271_ACX_INTR_CMD_COMPLETE | \ - WL1271_ACX_INTR_HW_AVAILABLE | \ - WL1271_ACX_INTR_DATA) - -#define WL1271_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ - WL1271_ACX_INTR_EVENT_A | \ - WL1271_ACX_INTR_EVENT_B | \ - WL1271_ACX_INTR_HW_AVAILABLE | \ - WL1271_ACX_INTR_DATA) +#define WL1271_ACX_INTR_ALL 0xFFFFFFFF + +/* all possible interrupts - only appropriate ones will be masked in */ +#define WLCORE_ALL_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA | \ + WL1271_ACX_SW_INTR_WATCHDOG) /* Target's information element */ struct acx_header { @@ -121,6 +118,11 @@ enum wl1271_psm_mode { /* Extreme low power */ WL1271_PSM_ELP = 2, + + WL1271_PSM_MAX = WL1271_PSM_ELP, + + /* illegal out of band value of PSM mode */ + WL1271_PSM_ILLEGAL = 0xff }; struct acx_sleep_auth { @@ -417,228 +419,6 @@ struct acx_ctsprotect { u8 padding[2]; } __packed; -struct acx_tx_statistics { - __le32 internal_desc_overflow; -} __packed; - -struct acx_rx_statistics { - __le32 out_of_mem; - __le32 hdr_overflow; - __le32 hw_stuck; - __le32 dropped; - __le32 fcs_err; - __le32 xfr_hint_trig; - __le32 path_reset; - __le32 reset_counter; -} __packed; - -struct acx_dma_statistics { - __le32 rx_requested; - __le32 rx_errors; - __le32 tx_requested; - __le32 tx_errors; -} __packed; - -struct acx_isr_statistics { - /* host command complete */ - __le32 cmd_cmplt; - - /* fiqisr() */ - __le32 fiqs; - - /* (INT_STS_ND & INT_TRIG_RX_HEADER) */ - __le32 rx_headers; - - /* (INT_STS_ND & INT_TRIG_RX_CMPLT) */ - __le32 rx_completes; - - /* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */ - __le32 rx_mem_overflow; - - /* (INT_STS_ND & INT_TRIG_S_RX_RDY) */ - __le32 rx_rdys; - - /* irqisr() */ - __le32 irqs; - - /* (INT_STS_ND & INT_TRIG_TX_PROC) */ - __le32 tx_procs; - - /* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */ - __le32 decrypt_done; - - /* (INT_STS_ND & INT_TRIG_DMA0) */ - __le32 dma0_done; - - /* (INT_STS_ND & INT_TRIG_DMA1) */ - __le32 dma1_done; - - /* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */ - __le32 tx_exch_complete; - - /* (INT_STS_ND & INT_TRIG_COMMAND) */ - __le32 commands; - - /* (INT_STS_ND & INT_TRIG_RX_PROC) */ - __le32 rx_procs; - - /* (INT_STS_ND & INT_TRIG_PM_802) */ - __le32 hw_pm_mode_changes; - - /* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */ - __le32 host_acknowledges; - - /* (INT_STS_ND & INT_TRIG_PM_PCI) */ - __le32 pci_pm; - - /* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */ - __le32 wakeups; - - /* (INT_STS_ND & INT_TRIG_LOW_RSSI) */ - __le32 low_rssi; -} __packed; - -struct acx_wep_statistics { - /* WEP address keys configured */ - __le32 addr_key_count; - - /* default keys configured */ - __le32 default_key_count; - - __le32 reserved; - - /* number of times that WEP key not found on lookup */ - __le32 key_not_found; - - /* number of times that WEP key decryption failed */ - __le32 decrypt_fail; - - /* WEP packets decrypted */ - __le32 packets; - - /* WEP decrypt interrupts */ - __le32 interrupt; -} __packed; - -#define ACX_MISSED_BEACONS_SPREAD 10 - -struct acx_pwr_statistics { - /* the amount of enters into power save mode (both PD & ELP) */ - __le32 ps_enter; - - /* the amount of enters into ELP mode */ - __le32 elp_enter; - - /* the amount of missing beacon interrupts to the host */ - __le32 missing_bcns; - - /* the amount of wake on host-access times */ - __le32 wake_on_host; - - /* the amount of wake on timer-expire */ - __le32 wake_on_timer_exp; - - /* the number of packets that were transmitted with PS bit set */ - __le32 tx_with_ps; - - /* the number of packets that were transmitted with PS bit clear */ - __le32 tx_without_ps; - - /* the number of received beacons */ - __le32 rcvd_beacons; - - /* the number of entering into PowerOn (power save off) */ - __le32 power_save_off; - - /* the number of entries into power save mode */ - __le16 enable_ps; - - /* - * the number of exits from power save, not including failed PS - * transitions - */ - __le16 disable_ps; - - /* - * the number of times the TSF counter was adjusted because - * of drift - */ - __le32 fix_tsf_ps; - - /* Gives statistics about the spread continuous missed beacons. - * The 16 LSB are dedicated for the PS mode. - * The 16 MSB are dedicated for the PS mode. - * cont_miss_bcns_spread[0] - single missed beacon. - * cont_miss_bcns_spread[1] - two continuous missed beacons. - * cont_miss_bcns_spread[2] - three continuous missed beacons. - * ... - * cont_miss_bcns_spread[9] - ten and more continuous missed beacons. - */ - __le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD]; - - /* the number of beacons in awake mode */ - __le32 rcvd_awake_beacons; -} __packed; - -struct acx_mic_statistics { - __le32 rx_pkts; - __le32 calc_failure; -} __packed; - -struct acx_aes_statistics { - __le32 encrypt_fail; - __le32 decrypt_fail; - __le32 encrypt_packets; - __le32 decrypt_packets; - __le32 encrypt_interrupt; - __le32 decrypt_interrupt; -} __packed; - -struct acx_event_statistics { - __le32 heart_beat; - __le32 calibration; - __le32 rx_mismatch; - __le32 rx_mem_empty; - __le32 rx_pool; - __le32 oom_late; - __le32 phy_transmit_error; - __le32 tx_stuck; -} __packed; - -struct acx_ps_statistics { - __le32 pspoll_timeouts; - __le32 upsd_timeouts; - __le32 upsd_max_sptime; - __le32 upsd_max_apturn; - __le32 pspoll_max_apturn; - __le32 pspoll_utilization; - __le32 upsd_utilization; -} __packed; - -struct acx_rxpipe_statistics { - __le32 rx_prep_beacon_drop; - __le32 descr_host_int_trig_rx_data; - __le32 beacon_buffer_thres_host_int_trig_rx_data; - __le32 missed_beacon_host_int_trig_rx_data; - __le32 tx_xfr_host_int_trig_rx_data; -} __packed; - -struct acx_statistics { - struct acx_header header; - - struct acx_tx_statistics tx; - struct acx_rx_statistics rx; - struct acx_dma_statistics dma; - struct acx_isr_statistics isr; - struct acx_wep_statistics wep; - struct acx_pwr_statistics pwr; - struct acx_aes_statistics aes; - struct acx_mic_statistics mic; - struct acx_event_statistics event; - struct acx_ps_statistics ps; - struct acx_rxpipe_statistics rxpipe; -} __packed; - struct acx_rate_class { __le32 enabled_rates; u8 short_retry_limit; @@ -828,6 +608,8 @@ struct wl1271_acx_keep_alive_config { #define HOST_IF_CFG_RX_FIFO_ENABLE BIT(0) #define HOST_IF_CFG_TX_EXTRA_BLKS_SWAP BIT(1) #define HOST_IF_CFG_TX_PAD_TO_SDIO_BLK BIT(3) +#define HOST_IF_CFG_RX_PAD_TO_SDIO_BLK BIT(4) +#define HOST_IF_CFG_ADD_RX_ALIGNMENT BIT(6) enum { WL1271_ACX_TRIG_TYPE_LEVEL = 0, @@ -946,7 +728,7 @@ struct wl1271_acx_ht_information { u8 padding[2]; } __packed; -#define RX_BA_MAX_SESSIONS 2 +#define RX_BA_MAX_SESSIONS 3 struct wl1271_acx_ba_initiator_policy { struct acx_header header; @@ -1243,6 +1025,7 @@ enum { ACX_CONFIG_HANGOVER = 0x0042, ACX_FEATURE_CFG = 0x0043, ACX_PROTECTION_CFG = 0x0044, + ACX_CHECKSUM_CONFIG = 0x0045, }; @@ -1281,7 +1064,7 @@ int wl1271_acx_set_preamble(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum acx_preamble_type preamble); int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum acx_ctsprotect_type ctsprotect); -int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats); +int wl1271_acx_statistics(struct wl1271 *wl, void *stats); int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c, u8 idx); diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index 9b98230f84ce..375ea574eafb 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -33,22 +33,35 @@ #include "rx.h" #include "hw_ops.h" -static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) +static int wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) { u32 cpu_ctrl; + int ret; /* 10.5.0 run the firmware (I) */ - cpu_ctrl = wlcore_read_reg(wl, REG_ECPU_CONTROL); + ret = wlcore_read_reg(wl, REG_ECPU_CONTROL, &cpu_ctrl); + if (ret < 0) + goto out; /* 10.5.1 run the firmware (II) */ cpu_ctrl |= flag; - wlcore_write_reg(wl, REG_ECPU_CONTROL, cpu_ctrl); + ret = wlcore_write_reg(wl, REG_ECPU_CONTROL, cpu_ctrl); + +out: + return ret; } -static int wlcore_parse_fw_ver(struct wl1271 *wl) +static int wlcore_boot_parse_fw_ver(struct wl1271 *wl, + struct wl1271_static_data *static_data) { int ret; + strncpy(wl->chip.fw_ver_str, static_data->fw_version, + sizeof(wl->chip.fw_ver_str)); + + /* make sure the string is NULL-terminated */ + wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; + ret = sscanf(wl->chip.fw_ver_str + 4, "%u.%u.%u.%u.%u", &wl->chip.fw_ver[0], &wl->chip.fw_ver[1], &wl->chip.fw_ver[2], &wl->chip.fw_ver[3], @@ -57,43 +70,96 @@ static int wlcore_parse_fw_ver(struct wl1271 *wl) if (ret != 5) { wl1271_warning("fw version incorrect value"); memset(wl->chip.fw_ver, 0, sizeof(wl->chip.fw_ver)); - return -EINVAL; + ret = -EINVAL; + goto out; } ret = wlcore_identify_fw(wl); if (ret < 0) - return ret; + goto out; +out: + return ret; +} + +static int wlcore_validate_fw_ver(struct wl1271 *wl) +{ + unsigned int *fw_ver = wl->chip.fw_ver; + unsigned int *min_ver = wl->min_fw_ver; + /* the chip must be exactly equal */ + if (min_ver[FW_VER_CHIP] != fw_ver[FW_VER_CHIP]) + goto fail; + + /* always check the next digit if all previous ones are equal */ + + if (min_ver[FW_VER_IF_TYPE] < fw_ver[FW_VER_IF_TYPE]) + goto out; + else if (min_ver[FW_VER_IF_TYPE] > fw_ver[FW_VER_IF_TYPE]) + goto fail; + + if (min_ver[FW_VER_MAJOR] < fw_ver[FW_VER_MAJOR]) + goto out; + else if (min_ver[FW_VER_MAJOR] > fw_ver[FW_VER_MAJOR]) + goto fail; + + if (min_ver[FW_VER_SUBTYPE] < fw_ver[FW_VER_SUBTYPE]) + goto out; + else if (min_ver[FW_VER_SUBTYPE] > fw_ver[FW_VER_SUBTYPE]) + goto fail; + + if (min_ver[FW_VER_MINOR] < fw_ver[FW_VER_MINOR]) + goto out; + else if (min_ver[FW_VER_MINOR] > fw_ver[FW_VER_MINOR]) + goto fail; + +out: return 0; + +fail: + wl1271_error("Your WiFi FW version (%u.%u.%u.%u.%u) is outdated.\n" + "Please use at least FW %u.%u.%u.%u.%u.\n" + "You can get more information at:\n" + "http://wireless.kernel.org/en/users/Drivers/wl12xx", + fw_ver[FW_VER_CHIP], fw_ver[FW_VER_IF_TYPE], + fw_ver[FW_VER_MAJOR], fw_ver[FW_VER_SUBTYPE], + fw_ver[FW_VER_MINOR], min_ver[FW_VER_CHIP], + min_ver[FW_VER_IF_TYPE], min_ver[FW_VER_MAJOR], + min_ver[FW_VER_SUBTYPE], min_ver[FW_VER_MINOR]); + return -EINVAL; } -static int wlcore_boot_fw_version(struct wl1271 *wl) +static int wlcore_boot_static_data(struct wl1271 *wl) { struct wl1271_static_data *static_data; + size_t len = sizeof(*static_data) + wl->static_data_priv_len; int ret; - static_data = kmalloc(sizeof(*static_data), GFP_KERNEL | GFP_DMA); + static_data = kmalloc(len, GFP_KERNEL); if (!static_data) { - wl1271_error("Couldn't allocate memory for static data!"); - return -ENOMEM; + ret = -ENOMEM; + goto out; } - wl1271_read(wl, wl->cmd_box_addr, static_data, sizeof(*static_data), - false); - - strncpy(wl->chip.fw_ver_str, static_data->fw_version, - sizeof(wl->chip.fw_ver_str)); + ret = wlcore_read(wl, wl->cmd_box_addr, static_data, len, false); + if (ret < 0) + goto out_free; - kfree(static_data); + ret = wlcore_boot_parse_fw_ver(wl, static_data); + if (ret < 0) + goto out_free; - /* make sure the string is NULL-terminated */ - wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; + ret = wlcore_validate_fw_ver(wl); + if (ret < 0) + goto out_free; - ret = wlcore_parse_fw_ver(wl); + ret = wlcore_handle_static_data(wl, static_data); if (ret < 0) - return ret; + goto out_free; - return 0; +out_free: + kfree(static_data); +out: + return ret; } static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, @@ -102,6 +168,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, struct wlcore_partition_set partition; int addr, chunk_num, partition_limit; u8 *p, *chunk; + int ret; /* whal_FwCtrl_LoadFwImageSm() */ @@ -123,7 +190,9 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, memcpy(&partition, &wl->ptable[PART_DOWN], sizeof(partition)); partition.mem.start = dest; - wlcore_set_partition(wl, &partition); + ret = wlcore_set_partition(wl, &partition); + if (ret < 0) + goto out; /* 10.1 set partition limit and chunk num */ chunk_num = 0; @@ -137,7 +206,9 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, partition_limit = chunk_num * CHUNK_SIZE + wl->ptable[PART_DOWN].mem.size; partition.mem.start = addr; - wlcore_set_partition(wl, &partition); + ret = wlcore_set_partition(wl, &partition); + if (ret < 0) + goto out; } /* 10.3 upload the chunk */ @@ -146,7 +217,9 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, memcpy(chunk, p, CHUNK_SIZE); wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x", p, addr); - wl1271_write(wl, addr, chunk, CHUNK_SIZE, false); + ret = wlcore_write(wl, addr, chunk, CHUNK_SIZE, false); + if (ret < 0) + goto out; chunk_num++; } @@ -157,10 +230,11 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, memcpy(chunk, p, fw_data_len % CHUNK_SIZE); wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x", fw_data_len % CHUNK_SIZE, p, addr); - wl1271_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false); + ret = wlcore_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false); +out: kfree(chunk); - return 0; + return ret; } int wlcore_boot_upload_firmware(struct wl1271 *wl) @@ -203,9 +277,12 @@ int wlcore_boot_upload_nvs(struct wl1271 *wl) int i; u32 dest_addr, val; u8 *nvs_ptr, *nvs_aligned; + int ret; - if (wl->nvs == NULL) + if (wl->nvs == NULL) { + wl1271_error("NVS file is needed during boot"); return -ENODEV; + } if (wl->quirks & WLCORE_QUIRK_LEGACY_NVS) { struct wl1271_nvs_file *nvs = @@ -298,7 +375,9 @@ int wlcore_boot_upload_nvs(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "nvs burst write 0x%x: 0x%x", dest_addr, val); - wl1271_write32(wl, dest_addr, val); + ret = wlcore_write32(wl, dest_addr, val); + if (ret < 0) + return ret; nvs_ptr += 4; dest_addr += 4; @@ -324,7 +403,9 @@ int wlcore_boot_upload_nvs(struct wl1271 *wl) nvs_len -= nvs_ptr - (u8 *)wl->nvs; /* Now we must set the partition correctly */ - wlcore_set_partition(wl, &wl->ptable[PART_WORK]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); + if (ret < 0) + return ret; /* Copy the NVS tables to a new block to ensure alignment */ nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL); @@ -332,11 +413,11 @@ int wlcore_boot_upload_nvs(struct wl1271 *wl) return -ENOMEM; /* And finally we upload the NVS tables */ - wlcore_write_data(wl, REG_CMD_MBOX_ADDRESS, - nvs_aligned, nvs_len, false); + ret = wlcore_write_data(wl, REG_CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, + false); kfree(nvs_aligned); - return 0; + return ret; out_badnvs: wl1271_error("nvs data is malformed"); @@ -350,11 +431,17 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) u32 chip_id, intr; /* Make sure we have the boot partition */ - wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + if (ret < 0) + return ret; - wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); + ret = wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); + if (ret < 0) + return ret; - chip_id = wlcore_read_reg(wl, REG_CHIP_ID_B); + ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &chip_id); + if (ret < 0) + return ret; wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id); @@ -367,7 +454,9 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) loop = 0; while (loop++ < INIT_LOOP) { udelay(INIT_LOOP_DELAY); - intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR); + ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); + if (ret < 0) + return ret; if (intr == 0xffffffff) { wl1271_error("error reading hardware complete " @@ -376,8 +465,10 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) } /* check that ACX_INTR_INIT_COMPLETE is enabled */ else if (intr & WL1271_ACX_INTR_INIT_COMPLETE) { - wlcore_write_reg(wl, REG_INTERRUPT_ACK, - WL1271_ACX_INTR_INIT_COMPLETE); + ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, + WL1271_ACX_INTR_INIT_COMPLETE); + if (ret < 0) + return ret; break; } } @@ -389,20 +480,25 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) } /* get hardware config command mail box */ - wl->cmd_box_addr = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR); + ret = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR, &wl->cmd_box_addr); + if (ret < 0) + return ret; wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x", wl->cmd_box_addr); /* get hardware config event mail box */ - wl->mbox_ptr[0] = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR); + ret = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR, &wl->mbox_ptr[0]); + if (ret < 0) + return ret; + wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox); wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x", wl->mbox_ptr[0], wl->mbox_ptr[1]); - ret = wlcore_boot_fw_version(wl); + ret = wlcore_boot_static_data(wl); if (ret < 0) { - wl1271_error("couldn't boot firmware"); + wl1271_error("error getting static data"); return ret; } @@ -436,9 +532,9 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) } /* set the working partition to its "running" mode offset */ - wlcore_set_partition(wl, &wl->ptable[PART_WORK]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]); /* firmware startup completed */ - return 0; + return ret; } EXPORT_SYMBOL_GPL(wlcore_boot_run_firmware); diff --git a/drivers/net/wireless/ti/wlcore/boot.h b/drivers/net/wireless/ti/wlcore/boot.h index 094981dd2227..a525225f990c 100644 --- a/drivers/net/wireless/ti/wlcore/boot.h +++ b/drivers/net/wireless/ti/wlcore/boot.h @@ -40,6 +40,7 @@ struct wl1271_static_data { u8 fw_version[WL1271_FW_VERSION_MAX_LEN]; u32 hw_version; u8 tx_power_table[WL1271_NO_SUBBANDS][WL1271_NO_POWER_LEVELS]; + u8 priv[0]; }; /* number of times we try to read the INIT interrupt */ diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 5b128a971449..20e1bd923832 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -36,8 +36,10 @@ #include "cmd.h" #include "event.h" #include "tx.h" +#include "hw_ops.h" #define WL1271_CMD_FAST_POLL_COUNT 50 +#define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 /* * send command to firmware @@ -64,17 +66,24 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, WARN_ON(len % 4 != 0); WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); - wl1271_write(wl, wl->cmd_box_addr, buf, len, false); + ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); + if (ret < 0) + goto fail; /* * TODO: we just need this because one bit is in a different * place. Is there any better way? */ - wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); + ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); + if (ret < 0) + goto fail; timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); - intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR); + ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); + if (ret < 0) + goto fail; + while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { if (time_after(jiffies, timeout)) { wl1271_error("command complete timeout"); @@ -88,13 +97,18 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, else msleep(1); - intr = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR); + ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); + if (ret < 0) + goto fail; } /* read back the status code of the command */ if (res_len == 0) res_len = sizeof(struct wl1271_cmd_header); - wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false); + + ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); + if (ret < 0) + goto fail; status = le16_to_cpu(cmd->status); if (status != CMD_STATUS_SUCCESS) { @@ -103,11 +117,14 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, goto fail; } - wlcore_write_reg(wl, REG_INTERRUPT_ACK, WL1271_ACX_INTR_CMD_COMPLETE); + ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, + WL1271_ACX_INTR_CMD_COMPLETE); + if (ret < 0) + goto fail; + return 0; fail: - WARN_ON(1); wl12xx_queue_recovery_work(wl); return ret; } @@ -116,35 +133,50 @@ fail: * Poll the mailbox event field until any of the bits in the mask is set or a * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) */ -static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask) +static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, + u32 mask, bool *timeout) { u32 *events_vector; u32 event; - unsigned long timeout; + unsigned long timeout_time; + u16 poll_count = 0; int ret = 0; + *timeout = false; + events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); if (!events_vector) return -ENOMEM; - timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); + timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); do { - if (time_after(jiffies, timeout)) { + if (time_after(jiffies, timeout_time)) { wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", (int)mask); - ret = -ETIMEDOUT; + *timeout = true; goto out; } - msleep(1); + poll_count++; + if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) + usleep_range(50, 51); + else + usleep_range(1000, 5000); /* read from both event fields */ - wl1271_read(wl, wl->mbox_ptr[0], events_vector, - sizeof(*events_vector), false); + ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, + sizeof(*events_vector), false); + if (ret < 0) + goto out; + event = *events_vector & mask; - wl1271_read(wl, wl->mbox_ptr[1], events_vector, - sizeof(*events_vector), false); + + ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, + sizeof(*events_vector), false); + if (ret < 0) + goto out; + event |= *events_vector & mask; } while (!event); @@ -156,9 +188,10 @@ out: static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) { int ret; + bool timeout = false; - ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask); - if (ret != 0) { + ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask, &timeout); + if (ret != 0 || timeout) { wl12xx_queue_recovery_work(wl); return ret; } @@ -291,6 +324,23 @@ static int wl12xx_get_new_session_id(struct wl1271 *wl, return wlvif->session_counter; } +static u8 wlcore_get_native_channel_type(u8 nl_channel_type) +{ + switch (nl_channel_type) { + case NL80211_CHAN_NO_HT: + return WLCORE_CHAN_NO_HT; + case NL80211_CHAN_HT20: + return WLCORE_CHAN_HT20; + case NL80211_CHAN_HT40MINUS: + return WLCORE_CHAN_HT40MINUS; + case NL80211_CHAN_HT40PLUS: + return WLCORE_CHAN_HT40PLUS; + default: + WARN_ON(1); + return WLCORE_CHAN_NO_HT; + } +} + static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) { @@ -407,6 +457,7 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); + cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); @@ -446,6 +497,7 @@ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_stop *cmd; int ret; + bool timeout = false; if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) return -EINVAL; @@ -468,6 +520,17 @@ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto out_free; } + /* + * Sometimes the firmware doesn't send this event, so we just + * time out without failing. Queue recovery for other + * failures. + */ + ret = wl1271_cmd_wait_for_event_or_timeout(wl, + ROLE_STOP_COMPLETE_EVENT_ID, + &timeout); + if (ret) + wl12xx_queue_recovery_work(wl); + wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); out_free: @@ -482,6 +545,7 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) struct wl12xx_cmd_role_start *cmd; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + u32 supported_rates; int ret; wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); @@ -519,6 +583,7 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* FIXME: Change when adding DFS */ cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ cmd->channel = wlvif->channel; + cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (!bss_conf->hidden_ssid) { /* take the SSID from the beacon for backward compatibility */ @@ -531,7 +596,13 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); } - cmd->ap.local_rates = cpu_to_le32(0xffffffff); + supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | + wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); + + wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", + supported_rates); + + cmd->ap.local_rates = cpu_to_le32(supported_rates); switch (wlvif->band) { case IEEE80211_BAND_2GHZ: @@ -797,6 +868,7 @@ out: kfree(cmd); return ret; } +EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 ps_mode, u16 auto_ps_timeout) @@ -953,12 +1025,14 @@ out: int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, u8 band, const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len) + const u8 *ie, size_t ie_len, bool sched_scan) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; int ret; u32 rate; + u16 template_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; + u16 template_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, ie, ie_len); @@ -969,14 +1043,20 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); + if (!sched_scan && + (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { + template_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4; + template_id_5 = CMD_TEMPL_APP_PROBE_REQ_5; + } + rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); if (band == IEEE80211_BAND_2GHZ) ret = wl1271_cmd_template_set(wl, role_id, - CMD_TEMPL_CFG_PROBE_REQ_2_4, + template_id_2_4, skb->data, skb->len, 0, rate); else ret = wl1271_cmd_template_set(wl, role_id, - CMD_TEMPL_CFG_PROBE_REQ_5, + template_id_5, skb->data, skb->len, 0, rate); out: @@ -1018,7 +1098,7 @@ out: int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - int ret, extra; + int ret, extra = 0; u16 fc; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; @@ -1057,7 +1137,8 @@ int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* encryption space */ switch (wlvif->encryption_type) { case KEY_TKIP: - extra = WL1271_EXTRA_SPACE_TKIP; + if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) + extra = WL1271_EXTRA_SPACE_TKIP; break; case KEY_AES: extra = WL1271_EXTRA_SPACE_AES; @@ -1346,13 +1427,18 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) if (sta->wme && (sta->uapsd_queues & BIT(i))) - cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; + cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = + WL1271_PSD_UPSD_TRIGGER; else - cmd->psd_type[i] = WL1271_PSD_LEGACY; + cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = + WL1271_PSD_LEGACY; + sta_rates = sta->supp_rates[wlvif->band]; if (sta->ht_cap.ht_supported) - sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; + sta_rates |= + (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | + (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, @@ -1378,6 +1464,7 @@ int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) { struct wl12xx_cmd_remove_peer *cmd; int ret; + bool timeout = false; wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); @@ -1398,12 +1485,16 @@ int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) goto out_free; } + ret = wl1271_cmd_wait_for_event_or_timeout(wl, + PEER_REMOVE_COMPLETE_EVENT_ID, + &timeout); /* * We are ok with a timeout here. The event is sometimes not sent - * due to a firmware bug. + * due to a firmware bug. In case of another error (like SDIO timeout) + * queue a recovery. */ - wl1271_cmd_wait_for_event_or_timeout(wl, - PEER_REMOVE_COMPLETE_EVENT_ID); + if (ret) + wl12xx_queue_recovery_work(wl); out_free: kfree(cmd); @@ -1573,19 +1664,25 @@ out: int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) { int ret = 0; + bool is_first_roc; if (WARN_ON(test_bit(role_id, wl->roc_map))) return 0; + is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= + WL12XX_MAX_ROLES); + ret = wl12xx_cmd_roc(wl, wlvif, role_id); if (ret < 0) goto out; - ret = wl1271_cmd_wait_for_event(wl, - REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); - if (ret < 0) { - wl1271_error("cmd roc event completion error"); - goto out; + if (is_first_roc) { + ret = wl1271_cmd_wait_for_event(wl, + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); + if (ret < 0) { + wl1271_error("cmd roc event completion error"); + goto out; + } } __set_bit(role_id, wl->roc_map); @@ -1714,7 +1811,9 @@ int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) return -EINVAL; /* flush all pending packets */ - wl1271_tx_work_locked(wl); + ret = wlcore_tx_work_locked(wl); + if (ret < 0) + goto out; if (test_bit(wlvif->dev_role_id, wl->roc_map)) { ret = wl12xx_croc(wl, wlvif->dev_role_id); diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h index a46ae07cb77e..4ef0b095f0d6 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.h +++ b/drivers/net/wireless/ti/wlcore/cmd.h @@ -58,7 +58,7 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, u8 band, const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len); + const u8 *ie, size_t ie_len, bool sched_scan); struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb); @@ -172,8 +172,8 @@ enum cmd_templ { CMD_TEMPL_PS_POLL, CMD_TEMPL_KLV, CMD_TEMPL_DISCONNECT, - CMD_TEMPL_PROBE_REQ_2_4, /* for firmware internal use only */ - CMD_TEMPL_PROBE_REQ_5, /* for firmware internal use only */ + CMD_TEMPL_APP_PROBE_REQ_2_4, + CMD_TEMPL_APP_PROBE_REQ_5, CMD_TEMPL_BAR, /* for firmware internal use only */ CMD_TEMPL_CTS, /* * For CTS-to-self (FastCTS) mechanism @@ -192,7 +192,7 @@ enum cmd_templ { #define WL1271_COMMAND_TIMEOUT 2000 #define WL1271_CMD_TEMPL_DFLT_SIZE 252 #define WL1271_CMD_TEMPL_MAX_SIZE 512 -#define WL1271_EVENT_TIMEOUT 750 +#define WL1271_EVENT_TIMEOUT 1500 struct wl1271_cmd_header { __le16 id; @@ -266,13 +266,22 @@ enum wlcore_band { WLCORE_BAND_MAX_RADIO = 0x7F, }; +enum wlcore_channel_type { + WLCORE_CHAN_NO_HT, + WLCORE_CHAN_HT20, + WLCORE_CHAN_HT40MINUS, + WLCORE_CHAN_HT40PLUS +}; + struct wl12xx_cmd_role_start { struct wl1271_cmd_header header; u8 role_id; u8 band; u8 channel; - u8 padding; + + /* enum wlcore_channel_type */ + u8 channel_type; union { struct { @@ -643,4 +652,25 @@ struct wl12xx_cmd_stop_channel_switch { struct wl1271_cmd_header header; } __packed; +/* Used to check radio status after calibration */ +#define MAX_TLV_LENGTH 500 +#define TEST_CMD_P2G_CAL 2 /* TX BiP */ + +struct wl1271_cmd_cal_p2g { + struct wl1271_cmd_header header; + + struct wl1271_cmd_test_header test; + + __le32 ver; + __le16 len; + u8 buf[MAX_TLV_LENGTH]; + u8 type; + u8 padding; + + __le16 radio_status; + + u8 sub_band_mask; + u8 padding2; +} __packed; + #endif /* __WL1271_CMD_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index fef0db4213bc..d77224f2ac6b 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -45,7 +45,15 @@ enum { CONF_HW_BIT_RATE_MCS_4 = BIT(17), CONF_HW_BIT_RATE_MCS_5 = BIT(18), CONF_HW_BIT_RATE_MCS_6 = BIT(19), - CONF_HW_BIT_RATE_MCS_7 = BIT(20) + CONF_HW_BIT_RATE_MCS_7 = BIT(20), + CONF_HW_BIT_RATE_MCS_8 = BIT(21), + CONF_HW_BIT_RATE_MCS_9 = BIT(22), + CONF_HW_BIT_RATE_MCS_10 = BIT(23), + CONF_HW_BIT_RATE_MCS_11 = BIT(24), + CONF_HW_BIT_RATE_MCS_12 = BIT(25), + CONF_HW_BIT_RATE_MCS_13 = BIT(26), + CONF_HW_BIT_RATE_MCS_14 = BIT(27), + CONF_HW_BIT_RATE_MCS_15 = BIT(28), }; enum { @@ -310,7 +318,7 @@ enum { struct conf_sg_settings { u32 params[CONF_SG_PARAMS_MAX]; u8 state; -}; +} __packed; enum conf_rx_queue_type { CONF_RX_QUEUE_TYPE_LOW_PRIORITY, /* All except the high priority */ @@ -394,7 +402,7 @@ struct conf_rx_settings { * Range: RX_QUEUE_TYPE_RX_LOW_PRIORITY, RX_QUEUE_TYPE_RX_HIGH_PRIORITY, */ u8 queue_type; -}; +} __packed; #define CONF_TX_MAX_RATE_CLASSES 10 @@ -435,6 +443,12 @@ struct conf_rx_settings { CONF_HW_BIT_RATE_MCS_5 | CONF_HW_BIT_RATE_MCS_6 | \ CONF_HW_BIT_RATE_MCS_7) +#define CONF_TX_MIMO_RATES (CONF_HW_BIT_RATE_MCS_8 | \ + CONF_HW_BIT_RATE_MCS_9 | CONF_HW_BIT_RATE_MCS_10 | \ + CONF_HW_BIT_RATE_MCS_11 | CONF_HW_BIT_RATE_MCS_12 | \ + CONF_HW_BIT_RATE_MCS_13 | CONF_HW_BIT_RATE_MCS_14 | \ + CONF_HW_BIT_RATE_MCS_15) + /* * Default rates for management traffic when operating in AP mode. This * should be configured according to the basic rate set of the AP @@ -487,7 +501,7 @@ struct conf_tx_rate_class { * the policy (0 - long preamble, 1 - short preamble. */ u8 aflags; -}; +} __packed; #define CONF_TX_MAX_AC_COUNT 4 @@ -504,7 +518,7 @@ enum conf_tx_ac { CONF_TX_AC_VI = 2, /* video */ CONF_TX_AC_VO = 3, /* voice */ CONF_TX_AC_CTS2SELF = 4, /* fictitious AC, follows AC_VO */ - CONF_TX_AC_ANY_TID = 0x1f + CONF_TX_AC_ANY_TID = 0xff }; struct conf_tx_ac_category { @@ -544,7 +558,7 @@ struct conf_tx_ac_category { * Range: u16 */ u16 tx_op_limit; -}; +} __packed; #define CONF_TX_MAX_TID_COUNT 8 @@ -578,7 +592,7 @@ struct conf_tx_tid { u8 ps_scheme; u8 ack_policy; u32 apsd_conf[2]; -}; +} __packed; struct conf_tx_settings { /* @@ -664,7 +678,7 @@ struct conf_tx_settings { /* Time in ms for Tx watchdog timer to expire */ u32 tx_watchdog_timeout; -}; +} __packed; enum { CONF_WAKE_UP_EVENT_BEACON = 0x01, /* Wake on every Beacon*/ @@ -711,7 +725,7 @@ struct conf_bcn_filt_rule { * Version for the vendor specifie IE (221) */ u8 version[CONF_BCN_IE_VER_LEN]; -}; +} __packed; #define CONF_MAX_RSSI_SNR_TRIGGERS 8 @@ -762,7 +776,7 @@ struct conf_sig_weights { * Range: u8 */ u8 snr_pkt_avg_weight; -}; +} __packed; enum conf_bcn_filt_mode { CONF_BCN_FILT_MODE_DISABLED = 0, @@ -810,7 +824,7 @@ struct conf_conn_settings { * * Range: CONF_BCN_FILT_MODE_* */ - enum conf_bcn_filt_mode bcn_filt_mode; + u8 bcn_filt_mode; /* * Configure Beacon filter pass-thru rules. @@ -937,7 +951,13 @@ struct conf_conn_settings { * Range: u16 */ u8 max_listen_interval; -}; + + /* + * Default sleep authorization for a new STA interface. This determines + * whether we can go to ELP. + */ + u8 sta_sleep_auth; +} __packed; enum { CONF_REF_CLK_19_2_E, @@ -965,6 +985,11 @@ struct conf_itrim_settings { /* moderation timeout in microsecs from the last TX */ u32 timeout; +} __packed; + +enum conf_fast_wakeup { + CONF_FAST_WAKEUP_ENABLE, + CONF_FAST_WAKEUP_DISABLE, }; struct conf_pm_config_settings { @@ -978,10 +1003,10 @@ struct conf_pm_config_settings { /* * Host fast wakeup support * - * Range: true, false + * Range: enum conf_fast_wakeup */ - bool host_fast_wakeup_support; -}; + u8 host_fast_wakeup_support; +} __packed; struct conf_roam_trigger_settings { /* @@ -1018,7 +1043,7 @@ struct conf_roam_trigger_settings { * Range: 0 - 255 */ u8 avg_weight_snr_data; -}; +} __packed; struct conf_scan_settings { /* @@ -1064,7 +1089,7 @@ struct conf_scan_settings { * Range: u32 Microsecs */ u32 split_scan_timeout; -}; +} __packed; struct conf_sched_scan_settings { /* @@ -1102,7 +1127,7 @@ struct conf_sched_scan_settings { /* SNR threshold to be used for filtering */ s8 snr_threshold; -}; +} __packed; struct conf_ht_setting { u8 rx_ba_win_size; @@ -1111,7 +1136,7 @@ struct conf_ht_setting { /* bitmap of enabled TIDs for TX BA sessions */ u8 tx_ba_tid_bitmap; -}; +} __packed; struct conf_memory_settings { /* Number of stations supported in IBSS mode */ @@ -1151,7 +1176,7 @@ struct conf_memory_settings { * Range: 0-120 */ u8 tx_min; -}; +} __packed; struct conf_fm_coex { u8 enable; @@ -1164,7 +1189,7 @@ struct conf_fm_coex { u16 ldo_stabilization_time; u8 fm_disturbed_band_margin; u8 swallow_clk_diff; -}; +} __packed; struct conf_rx_streaming_settings { /* @@ -1193,7 +1218,7 @@ struct conf_rx_streaming_settings { * enable rx streaming also when there is no coex activity */ u8 always; -}; +} __packed; struct conf_fwlog { /* Continuous or on-demand */ @@ -1217,7 +1242,7 @@ struct conf_fwlog { /* Regulates the frequency of log messages */ u8 threshold; -}; +} __packed; #define ACX_RATE_MGMT_NUM_OF_RATES 13 struct conf_rate_policy_settings { @@ -1236,7 +1261,7 @@ struct conf_rate_policy_settings { u8 rate_check_up; u8 rate_check_down; u8 rate_retry_policy[ACX_RATE_MGMT_NUM_OF_RATES]; -}; +} __packed; struct conf_hangover_settings { u32 recover_time; @@ -1250,7 +1275,23 @@ struct conf_hangover_settings { u8 quiet_time; u8 increase_time; u8 window_size; -}; +} __packed; + +/* + * The conf version consists of 4 bytes. The two MSB are the wlcore + * version, the two LSB are the lower driver's private conf + * version. + */ +#define WLCORE_CONF_VERSION (0x0002 << 16) +#define WLCORE_CONF_MASK 0xffff0000 +#define WLCORE_CONF_SIZE (sizeof(struct wlcore_conf_header) + \ + sizeof(struct wlcore_conf)) + +struct wlcore_conf_header { + __le32 magic; + __le32 version; + __le32 checksum; +} __packed; struct wlcore_conf { struct conf_sg_settings sg; @@ -1269,6 +1310,12 @@ struct wlcore_conf { struct conf_fwlog fwlog; struct conf_rate_policy_settings rate; struct conf_hangover_settings hangover; -}; +} __packed; + +struct wlcore_conf_file { + struct wlcore_conf_header header; + struct wlcore_conf core; + u8 priv[0]; +} __packed; #endif diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index d5aea1ff5ad1..80dbc5304fac 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -25,6 +25,7 @@ #include <linux/skbuff.h> #include <linux/slab.h> +#include <linux/module.h> #include "wlcore.h" #include "debug.h" @@ -32,14 +33,16 @@ #include "ps.h" #include "io.h" #include "tx.h" +#include "hw_ops.h" /* ms */ #define WL1271_DEBUGFS_STATS_LIFETIME 1000 +#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE)) + /* debugfs macros idea from mac80211 */ -#define DEBUGFS_FORMAT_BUFFER_SIZE 100 -static int wl1271_format_buffer(char __user *userbuf, size_t count, - loff_t *ppos, char *fmt, ...) +int wl1271_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...) { va_list args; char buf[DEBUGFS_FORMAT_BUFFER_SIZE]; @@ -51,59 +54,9 @@ static int wl1271_format_buffer(char __user *userbuf, size_t count, return simple_read_from_buffer(userbuf, count, ppos, buf, res); } +EXPORT_SYMBOL_GPL(wl1271_format_buffer); -#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ -static ssize_t name## _read(struct file *file, char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct wl1271 *wl = file->private_data; \ - return wl1271_format_buffer(userbuf, count, ppos, \ - fmt "\n", ##value); \ -} \ - \ -static const struct file_operations name## _ops = { \ - .read = name## _read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - -#define DEBUGFS_ADD(name, parent) \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ - -#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ - do { \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &prefix## _## name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ - } while (0); - -#define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \ -static ssize_t sub## _ ##name## _read(struct file *file, \ - char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct wl1271 *wl = file->private_data; \ - \ - wl1271_debugfs_update_stats(wl); \ - \ - return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ - wl->stats.fw_stats->sub.name); \ -} \ - \ -static const struct file_operations sub## _ ##name## _ops = { \ - .read = sub## _ ##name## _read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - -#define DEBUGFS_FWSTATS_ADD(sub, name) \ - DEBUGFS_ADD(sub## _ ##name, stats) - -static void wl1271_debugfs_update_stats(struct wl1271 *wl) +void wl1271_debugfs_update_stats(struct wl1271 *wl) { int ret; @@ -125,97 +78,7 @@ static void wl1271_debugfs_update_stats(struct wl1271 *wl) out: mutex_unlock(&wl->mutex); } - -DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); - -DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); -DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u"); -DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u"); -DEBUGFS_FWSTATS_FILE(rx, dropped, "%u"); -DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u"); -DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u"); -DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u"); -DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u"); - -DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u"); -DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u"); -DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u"); -DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u"); - -DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u"); -DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u"); -DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u"); -DEBUGFS_FWSTATS_FILE(isr, commands, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u"); -DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u"); -DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u"); -DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u"); -DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u"); - -DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u"); -DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u"); -/* skipping wep.reserved */ -DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u"); -DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(wep, packets, "%u"); -DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u"); - -DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u"); -/* skipping cont_miss_bcns_spread for now */ -DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u"); - -DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u"); -DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u"); - -DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u"); -DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u"); - -DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u"); -DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u"); -DEBUGFS_FWSTATS_FILE(event, oom_late, "%u"); -DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u"); -DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u"); - -DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u"); -DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u"); -DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u"); - -DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); +EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats); DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count); DEBUGFS_READONLY_FILE(excessive_retries, "%u", @@ -241,6 +104,89 @@ static const struct file_operations tx_queue_len_ops = { .llseek = default_llseek, }; +static void chip_op_handler(struct wl1271 *wl, unsigned long value, + void *arg) +{ + int ret; + int (*chip_op) (struct wl1271 *wl); + + if (!arg) { + wl1271_warning("debugfs chip_op_handler with no callback"); + return; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + return; + + chip_op = arg; + chip_op(wl); + + wl1271_ps_elp_sleep(wl); +} + + +static inline void no_write_handler(struct wl1271 *wl, + unsigned long value, + unsigned long param) +{ +} + +#define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \ + min_val, max_val, write_handler_locked, \ + write_handler_arg) \ + static ssize_t param##_read(struct file *file, \ + char __user *user_buf, \ + size_t count, loff_t *ppos) \ + { \ + struct wl1271 *wl = file->private_data; \ + return wl1271_format_buffer(user_buf, count, \ + ppos, "%d\n", \ + wl->conf.conf_sub_struct.param); \ + } \ + \ + static ssize_t param##_write(struct file *file, \ + const char __user *user_buf, \ + size_t count, loff_t *ppos) \ + { \ + struct wl1271 *wl = file->private_data; \ + unsigned long value; \ + int ret; \ + \ + ret = kstrtoul_from_user(user_buf, count, 10, &value); \ + if (ret < 0) { \ + wl1271_warning("illegal value for " #param); \ + return -EINVAL; \ + } \ + \ + if (value < min_val || value > max_val) { \ + wl1271_warning(#param " is not in valid range"); \ + return -ERANGE; \ + } \ + \ + mutex_lock(&wl->mutex); \ + wl->conf.conf_sub_struct.param = value; \ + \ + write_handler_locked(wl, value, write_handler_arg); \ + \ + mutex_unlock(&wl->mutex); \ + return count; \ + } \ + \ + static const struct file_operations param##_ops = { \ + .read = param##_read, \ + .write = param##_write, \ + .open = simple_open, \ + .llseek = default_llseek, \ + }; + +WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535, + chip_op_handler, wl1271_acx_init_rx_interrupt) +WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535, + chip_op_handler, wl1271_acx_init_rx_interrupt) +WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100, + chip_op_handler, wl1271_acx_init_rx_interrupt) + static ssize_t gpio_power_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -535,8 +481,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, DRIVER_STATE_PRINT_LHEX(ap_ps_map); DRIVER_STATE_PRINT_HEX(quirks); DRIVER_STATE_PRINT_HEX(irq); - DRIVER_STATE_PRINT_HEX(ref_clock); - DRIVER_STATE_PRINT_HEX(tcxo_clock); + /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */ DRIVER_STATE_PRINT_HEX(hw_pg_ver); DRIVER_STATE_PRINT_HEX(platform_quirks); DRIVER_STATE_PRINT_HEX(chip.id); @@ -647,7 +592,6 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(last_rssi_event); VIF_STATE_PRINT_INT(ba_support); VIF_STATE_PRINT_INT(ba_allowed); - VIF_STATE_PRINT_INT(is_gem); VIF_STATE_PRINT_LLHEX(tx_security_seq); VIF_STATE_PRINT_INT(tx_security_last_seq_lsb); } @@ -1002,108 +946,281 @@ static const struct file_operations beacon_filtering_ops = { .llseek = default_llseek, }; -static int wl1271_debugfs_add_files(struct wl1271 *wl, - struct dentry *rootdir) +static ssize_t fw_stats_raw_read(struct file *file, + char __user *userbuf, + size_t count, loff_t *ppos) { - int ret = 0; - struct dentry *entry, *stats, *streaming; + struct wl1271 *wl = file->private_data; - stats = debugfs_create_dir("fw-statistics", rootdir); - if (!stats || IS_ERR(stats)) { - entry = stats; - goto err; + wl1271_debugfs_update_stats(wl); + + return simple_read_from_buffer(userbuf, count, ppos, + wl->stats.fw_stats, + wl->stats.fw_stats_len); +} + +static const struct file_operations fw_stats_raw_ops = { + .read = fw_stats_raw_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t sleep_auth_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + + return wl1271_format_buffer(user_buf, count, + ppos, "%d\n", + wl->sleep_auth); +} + +static ssize_t sleep_auth_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + if (ret < 0) { + wl1271_warning("illegal value in sleep_auth"); + return -EINVAL; + } + + if (value < 0 || value > WL1271_PSM_MAX) { + wl1271_warning("sleep_auth must be between 0 and %d", + WL1271_PSM_MAX); + return -ERANGE; + } + + mutex_lock(&wl->mutex); + + wl->conf.conn.sta_sleep_auth = value; + + if (wl->state == WL1271_STATE_OFF) { + /* this will show up on "read" in case we are off */ + wl->sleep_auth = value; + goto out; } - DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); - - DEBUGFS_FWSTATS_ADD(rx, out_of_mem); - DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); - DEBUGFS_FWSTATS_ADD(rx, hw_stuck); - DEBUGFS_FWSTATS_ADD(rx, dropped); - DEBUGFS_FWSTATS_ADD(rx, fcs_err); - DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); - DEBUGFS_FWSTATS_ADD(rx, path_reset); - DEBUGFS_FWSTATS_ADD(rx, reset_counter); - - DEBUGFS_FWSTATS_ADD(dma, rx_requested); - DEBUGFS_FWSTATS_ADD(dma, rx_errors); - DEBUGFS_FWSTATS_ADD(dma, tx_requested); - DEBUGFS_FWSTATS_ADD(dma, tx_errors); - - DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); - DEBUGFS_FWSTATS_ADD(isr, fiqs); - DEBUGFS_FWSTATS_ADD(isr, rx_headers); - DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); - DEBUGFS_FWSTATS_ADD(isr, rx_rdys); - DEBUGFS_FWSTATS_ADD(isr, irqs); - DEBUGFS_FWSTATS_ADD(isr, tx_procs); - DEBUGFS_FWSTATS_ADD(isr, decrypt_done); - DEBUGFS_FWSTATS_ADD(isr, dma0_done); - DEBUGFS_FWSTATS_ADD(isr, dma1_done); - DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); - DEBUGFS_FWSTATS_ADD(isr, commands); - DEBUGFS_FWSTATS_ADD(isr, rx_procs); - DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); - DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); - DEBUGFS_FWSTATS_ADD(isr, pci_pm); - DEBUGFS_FWSTATS_ADD(isr, wakeups); - DEBUGFS_FWSTATS_ADD(isr, low_rssi); - - DEBUGFS_FWSTATS_ADD(wep, addr_key_count); - DEBUGFS_FWSTATS_ADD(wep, default_key_count); - /* skipping wep.reserved */ - DEBUGFS_FWSTATS_ADD(wep, key_not_found); - DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); - DEBUGFS_FWSTATS_ADD(wep, packets); - DEBUGFS_FWSTATS_ADD(wep, interrupt); - - DEBUGFS_FWSTATS_ADD(pwr, ps_enter); - DEBUGFS_FWSTATS_ADD(pwr, elp_enter); - DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); - DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); - DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); - DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); - DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); - DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); - DEBUGFS_FWSTATS_ADD(pwr, power_save_off); - DEBUGFS_FWSTATS_ADD(pwr, enable_ps); - DEBUGFS_FWSTATS_ADD(pwr, disable_ps); - DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); - /* skipping cont_miss_bcns_spread for now */ - DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); - - DEBUGFS_FWSTATS_ADD(mic, rx_pkts); - DEBUGFS_FWSTATS_ADD(mic, calc_failure); - - DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); - DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); - - DEBUGFS_FWSTATS_ADD(event, heart_beat); - DEBUGFS_FWSTATS_ADD(event, calibration); - DEBUGFS_FWSTATS_ADD(event, rx_mismatch); - DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); - DEBUGFS_FWSTATS_ADD(event, rx_pool); - DEBUGFS_FWSTATS_ADD(event, oom_late); - DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); - DEBUGFS_FWSTATS_ADD(event, tx_stuck); - - DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); - DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); - DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); - DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); - DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); - DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); - DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); - - DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); - DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_acx_sleep_auth(wl, value); + if (ret < 0) + goto out_sleep; + +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + return count; +} + +static const struct file_operations sleep_auth_ops = { + .read = sleep_auth_read, + .write = sleep_auth_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t dev_mem_read(struct file *file, + char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + struct wlcore_partition_set part, old_part; + size_t bytes = count; + int ret; + char *buf; + + /* only requests of dword-aligned size and offset are supported */ + if (bytes % 4) + return -EINVAL; + + if (*ppos % 4) + return -EINVAL; + + /* function should return in reasonable time */ + bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE); + + if (bytes == 0) + return -EINVAL; + + memset(&part, 0, sizeof(part)); + part.mem.start = file->f_pos; + part.mem.size = bytes; + + buf = kmalloc(bytes, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) { + ret = -EFAULT; + goto skip_read; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto skip_read; + + /* store current partition and switch partition */ + memcpy(&old_part, &wl->curr_part, sizeof(old_part)); + ret = wlcore_set_partition(wl, &part); + if (ret < 0) + goto part_err; + + ret = wlcore_raw_read(wl, 0, buf, bytes, false); + if (ret < 0) + goto read_err; + +read_err: + /* recover partition */ + ret = wlcore_set_partition(wl, &old_part); + if (ret < 0) + goto part_err; + +part_err: + wl1271_ps_elp_sleep(wl); + +skip_read: + mutex_unlock(&wl->mutex); + + if (ret == 0) { + ret = copy_to_user(user_buf, buf, bytes); + if (ret < bytes) { + bytes -= ret; + *ppos += bytes; + ret = 0; + } else { + ret = -EFAULT; + } + } + + kfree(buf); + + return ((ret == 0) ? bytes : ret); +} + +static ssize_t dev_mem_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + struct wlcore_partition_set part, old_part; + size_t bytes = count; + int ret; + char *buf; + + /* only requests of dword-aligned size and offset are supported */ + if (bytes % 4) + return -EINVAL; + + if (*ppos % 4) + return -EINVAL; + + /* function should return in reasonable time */ + bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE); + + if (bytes == 0) + return -EINVAL; + + memset(&part, 0, sizeof(part)); + part.mem.start = file->f_pos; + part.mem.size = bytes; + + buf = kmalloc(bytes, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = copy_from_user(buf, user_buf, bytes); + if (ret) { + ret = -EFAULT; + goto err_out; + } + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) { + ret = -EFAULT; + goto skip_write; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto skip_write; + + /* store current partition and switch partition */ + memcpy(&old_part, &wl->curr_part, sizeof(old_part)); + ret = wlcore_set_partition(wl, &part); + if (ret < 0) + goto part_err; + + ret = wlcore_raw_write(wl, 0, buf, bytes, false); + if (ret < 0) + goto write_err; + +write_err: + /* recover partition */ + ret = wlcore_set_partition(wl, &old_part); + if (ret < 0) + goto part_err; + +part_err: + wl1271_ps_elp_sleep(wl); + +skip_write: + mutex_unlock(&wl->mutex); + + if (ret == 0) + *ppos += bytes; + +err_out: + kfree(buf); + + return ((ret == 0) ? bytes : ret); +} + +static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig) +{ + loff_t ret; + + /* only requests of dword-aligned size and offset are supported */ + if (offset % 4) + return -EINVAL; + + switch (orig) { + case SEEK_SET: + file->f_pos = offset; + ret = file->f_pos; + break; + case SEEK_CUR: + file->f_pos += offset; + ret = file->f_pos; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static const struct file_operations dev_mem_ops = { + .open = simple_open, + .read = dev_mem_read, + .write = dev_mem_write, + .llseek = dev_mem_seek, +}; + +static int wl1271_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) +{ + int ret = 0; + struct dentry *entry, *streaming; DEBUGFS_ADD(tx_queue_len, rootdir); DEBUGFS_ADD(retry_count, rootdir); @@ -1120,6 +1237,11 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(dynamic_ps_timeout, rootdir); DEBUGFS_ADD(forced_ps, rootdir); DEBUGFS_ADD(split_scan_timeout, rootdir); + DEBUGFS_ADD(irq_pkt_threshold, rootdir); + DEBUGFS_ADD(irq_blk_threshold, rootdir); + DEBUGFS_ADD(irq_timeout, rootdir); + DEBUGFS_ADD(fw_stats_raw, rootdir); + DEBUGFS_ADD(sleep_auth, rootdir); streaming = debugfs_create_dir("rx_streaming", rootdir); if (!streaming || IS_ERR(streaming)) @@ -1128,6 +1250,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming); DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming); + DEBUGFS_ADD_PREFIX(dev, mem, rootdir); return 0; @@ -1145,7 +1268,7 @@ void wl1271_debugfs_reset(struct wl1271 *wl) if (!wl->stats.fw_stats) return; - memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); + memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len); wl->stats.retry_count = 0; wl->stats.excessive_retries = 0; } @@ -1160,34 +1283,34 @@ int wl1271_debugfs_init(struct wl1271 *wl) if (IS_ERR(rootdir)) { ret = PTR_ERR(rootdir); - goto err; + goto out; } - wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), - GFP_KERNEL); - + wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL); if (!wl->stats.fw_stats) { ret = -ENOMEM; - goto err_fw; + goto out_remove; } wl->stats.fw_stats_update = jiffies; ret = wl1271_debugfs_add_files(wl, rootdir); + if (ret < 0) + goto out_exit; + ret = wlcore_debugfs_init(wl, rootdir); if (ret < 0) - goto err_file; + goto out_exit; - return 0; + goto out; -err_file: - kfree(wl->stats.fw_stats); - wl->stats.fw_stats = NULL; +out_exit: + wl1271_debugfs_exit(wl); -err_fw: +out_remove: debugfs_remove_recursive(rootdir); -err: +out: return ret; } diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h index a8d3aef011ff..f7381dd69009 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.h +++ b/drivers/net/wireless/ti/wlcore/debugfs.h @@ -26,8 +26,95 @@ #include "wlcore.h" +int wl1271_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...); + int wl1271_debugfs_init(struct wl1271 *wl); void wl1271_debugfs_exit(struct wl1271 *wl); void wl1271_debugfs_reset(struct wl1271 *wl); +void wl1271_debugfs_update_stats(struct wl1271 *wl); + +#define DEBUGFS_FORMAT_BUFFER_SIZE 256 + +#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ +static ssize_t name## _read(struct file *file, char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + return wl1271_format_buffer(userbuf, count, ppos, \ + fmt "\n", ##value); \ +} \ + \ +static const struct file_operations name## _ops = { \ + .read = name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_ADD(name, parent) \ + do { \ + entry = debugfs_create_file(#name, 0400, parent, \ + wl, &name## _ops); \ + if (!entry || IS_ERR(entry)) \ + goto err; \ + } while (0); + + +#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ + do { \ + entry = debugfs_create_file(#name, 0400, parent, \ + wl, &prefix## _## name## _ops); \ + if (!entry || IS_ERR(entry)) \ + goto err; \ + } while (0); + +#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + struct struct_type *stats = wl->stats.fw_stats; \ + \ + wl1271_debugfs_update_stats(wl); \ + \ + return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ + stats->sub.name); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + struct struct_type *stats = wl->stats.fw_stats; \ + char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \ + int res, i; \ + \ + wl1271_debugfs_update_stats(wl); \ + \ + for (i = 0; i < len; i++) \ + res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \ + buf, i, stats->sub.name[i]); \ + \ + return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_FWSTATS_ADD(sub, name) \ + DEBUGFS_ADD(sub## _ ##name, stats) + #endif /* WL1271_DEBUGFS_H */ diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 28e2a633c3be..48907054d493 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -105,6 +105,7 @@ static int wl1271_event_process(struct wl1271 *wl) u32 vector; bool disconnect_sta = false; unsigned long sta_bitmap = 0; + int ret; wl1271_event_mbox_dump(mbox); @@ -148,15 +149,33 @@ static int wl1271_event_process(struct wl1271 *wl) int delay = wl->conf.conn.synch_fail_thold * wl->conf.conn.bss_lose_timeout; wl1271_info("Beacon loss detected."); - cancel_delayed_work_sync(&wl->connection_loss_work); + + /* + * if the work is already queued, it should take place. We + * don't want to delay the connection loss indication + * any more. + */ ieee80211_queue_delayed_work(wl->hw, &wl->connection_loss_work, - msecs_to_jiffies(delay)); + msecs_to_jiffies(delay)); + + wl12xx_for_each_wlvif_sta(wl, wlvif) { + vif = wl12xx_wlvif_to_vif(wlvif); + + ieee80211_cqm_rssi_notify( + vif, + NL80211_CQM_RSSI_BEACON_LOSS_EVENT, + GFP_KERNEL); + } } if (vector & REGAINED_BSS_EVENT_ID) { /* TODO: check for multi-role */ wl1271_info("Beacon regained."); - cancel_delayed_work_sync(&wl->connection_loss_work); + cancel_delayed_work(&wl->connection_loss_work); + + /* sanity check - we can't lose and gain the beacon together */ + WARN(vector & BSS_LOSE_EVENT_ID, + "Concurrent beacon loss and gain from FW"); } if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { @@ -210,7 +229,9 @@ static int wl1271_event_process(struct wl1271 *wl) if ((vector & DUMMY_PACKET_EVENT_ID)) { wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID"); - wl1271_tx_dummy_packet(wl); + ret = wl1271_tx_dummy_packet(wl); + if (ret < 0) + return ret; } /* @@ -283,8 +304,10 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num) return -EINVAL; /* first we read the mbox descriptor */ - wl1271_read(wl, wl->mbox_ptr[mbox_num], wl->mbox, - sizeof(*wl->mbox), false); + ret = wlcore_read(wl, wl->mbox_ptr[mbox_num], wl->mbox, + sizeof(*wl->mbox), false); + if (ret < 0) + return ret; /* process the descriptor */ ret = wl1271_event_process(wl); @@ -295,7 +318,7 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num) * TODO: we just need this because one bit is in a different * place. Is there any better way? */ - wl->ops->ack_event(wl); + ret = wl->ops->ack_event(wl); - return 0; + return ret; } diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 9384b4d56c24..2673d783ec1e 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -65,11 +65,13 @@ wlcore_hw_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) return wl->ops->get_rx_buf_align(wl, rx_desc); } -static inline void +static inline int wlcore_hw_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) { if (wl->ops->prepare_read) - wl->ops->prepare_read(wl, rx_desc, len); + return wl->ops->prepare_read(wl, rx_desc, len); + + return 0; } static inline u32 @@ -81,10 +83,12 @@ wlcore_hw_get_rx_packet_len(struct wl1271 *wl, void *rx_data, u32 data_len) return wl->ops->get_rx_packet_len(wl, rx_data, data_len); } -static inline void wlcore_hw_tx_delayed_compl(struct wl1271 *wl) +static inline int wlcore_hw_tx_delayed_compl(struct wl1271 *wl) { if (wl->ops->tx_delayed_compl) - wl->ops->tx_delayed_compl(wl); + return wl->ops->tx_delayed_compl(wl); + + return 0; } static inline void wlcore_hw_tx_immediate_compl(struct wl1271 *wl) @@ -119,4 +123,82 @@ static inline int wlcore_identify_fw(struct wl1271 *wl) return 0; } +static inline void +wlcore_hw_set_tx_desc_csum(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb) +{ + if (!wl->ops->set_tx_desc_csum) + BUG_ON(1); + + wl->ops->set_tx_desc_csum(wl, desc, skb); +} + +static inline void +wlcore_hw_set_rx_csum(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct sk_buff *skb) +{ + if (wl->ops->set_rx_csum) + wl->ops->set_rx_csum(wl, desc, skb); +} + +static inline u32 +wlcore_hw_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + if (wl->ops->ap_get_mimo_wide_rate_mask) + return wl->ops->ap_get_mimo_wide_rate_mask(wl, wlvif); + + return 0; +} + +static inline int +wlcore_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) +{ + if (wl->ops->debugfs_init) + return wl->ops->debugfs_init(wl, rootdir); + + return 0; +} + +static inline int +wlcore_handle_static_data(struct wl1271 *wl, void *static_data) +{ + if (wl->ops->handle_static_data) + return wl->ops->handle_static_data(wl, static_data); + + return 0; +} + +static inline int +wlcore_hw_get_spare_blocks(struct wl1271 *wl, bool is_gem) +{ + if (!wl->ops->get_spare_blocks) + BUG_ON(1); + + return wl->ops->get_spare_blocks(wl, is_gem); +} + +static inline int +wlcore_hw_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ + if (!wl->ops->set_key) + BUG_ON(1); + + return wl->ops->set_key(wl, cmd, vif, sta, key_conf); +} + +static inline u32 +wlcore_hw_pre_pkt_send(struct wl1271 *wl, u32 buf_offset, u32 last_len) +{ + if (wl->ops->pre_pkt_send) + return wl->ops->pre_pkt_send(wl, buf_offset, last_len); + + return buf_offset; +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/ini.h b/drivers/net/wireless/ti/wlcore/ini.h index 4cf9ecc56212..d24fe3bbc672 100644 --- a/drivers/net/wireless/ti/wlcore/ini.h +++ b/drivers/net/wireless/ti/wlcore/ini.h @@ -172,7 +172,19 @@ struct wl128x_ini_fem_params_5 { /* NVS data structure */ #define WL1271_INI_NVS_SECTION_SIZE 468 -#define WL1271_INI_FEM_MODULE_COUNT 2 + +/* We have four FEM module types: 0-RFMD, 1-TQS, 2-SKW, 3-TQS_HP */ +#define WL1271_INI_FEM_MODULE_COUNT 4 + +/* + * In NVS we only store two FEM module entries - + * FEM modules 0,2,3 are stored in entry 0 + * FEM module 1 is stored in entry 1 + */ +#define WL12XX_NVS_FEM_MODULE_COUNT 2 + +#define WL12XX_FEM_TO_NVS_ENTRY(ini_fem_module) \ + ((ini_fem_module) == 1 ? 1 : 0) #define WL1271_INI_LEGACY_NVS_FILE_SIZE 800 @@ -188,13 +200,13 @@ struct wl1271_nvs_file { struct { struct wl1271_ini_fem_params_2 params; u8 padding; - } dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT]; + } dyn_radio_params_2[WL12XX_NVS_FEM_MODULE_COUNT]; struct wl1271_ini_band_params_5 stat_radio_params_5; u8 padding3; struct { struct wl1271_ini_fem_params_5 params; u8 padding; - } dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT]; + } dyn_radio_params_5[WL12XX_NVS_FEM_MODULE_COUNT]; } __packed; struct wl128x_nvs_file { @@ -209,12 +221,12 @@ struct wl128x_nvs_file { struct { struct wl128x_ini_fem_params_2 params; u8 padding; - } dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT]; + } dyn_radio_params_2[WL12XX_NVS_FEM_MODULE_COUNT]; struct wl128x_ini_band_params_5 stat_radio_params_5; u8 padding3; struct { struct wl128x_ini_fem_params_5 params; u8 padding; - } dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT]; + } dyn_radio_params_5[WL12XX_NVS_FEM_MODULE_COUNT]; } __packed; #endif diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c index 9f89255eb6e6..a3c867786df8 100644 --- a/drivers/net/wireless/ti/wlcore/init.c +++ b/drivers/net/wireless/ti/wlcore/init.c @@ -54,6 +54,22 @@ int wl1271_init_templates_config(struct wl1271 *wl) if (ret < 0) return ret; + if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) { + ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, + CMD_TEMPL_APP_PROBE_REQ_2_4, NULL, + WL1271_CMD_TEMPL_MAX_SIZE, + 0, WL1271_RATE_AUTOMATIC); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, + CMD_TEMPL_APP_PROBE_REQ_5, NULL, + WL1271_CMD_TEMPL_MAX_SIZE, + 0, WL1271_RATE_AUTOMATIC); + if (ret < 0) + return ret; + } + ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_NULL_DATA, NULL, sizeof(struct wl12xx_null_data_template), @@ -460,6 +476,9 @@ int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* unconditionally enable HT rates */ supported_rates |= CONF_TX_MCS_RATES; + /* get extra MIMO or wide-chan rates where the HW supports it */ + supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); + /* configure unicast TX rate classes */ for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { rc.enabled_rates = supported_rates; @@ -551,29 +570,28 @@ int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); int ret, i; - /* - * consider all existing roles before configuring psm. - * TODO: reconfigure on interface removal. - */ - if (!wl->ap_count) { - if (is_ap) { - /* Configure for power always on */ + /* consider all existing roles before configuring psm. */ + + if (wl->ap_count == 0 && is_ap) { /* first AP */ + /* Configure for power always on */ + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); + if (ret < 0) + return ret; + /* first STA, no APs */ + } else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) { + u8 sta_auth = wl->conf.conn.sta_sleep_auth; + /* Configure for power according to debugfs */ + if (sta_auth != WL1271_PSM_ILLEGAL) + ret = wl1271_acx_sleep_auth(wl, sta_auth); + /* Configure for power always on */ + else if (wl->quirks & WLCORE_QUIRK_NO_ELP) ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); - if (ret < 0) - return ret; - } else if (!wl->sta_count) { - if (wl->quirks & WLCORE_QUIRK_NO_ELP) { - /* Configure for power always on */ - ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); - if (ret < 0) - return ret; - } else { - /* Configure for ELP power saving */ - ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); - if (ret < 0) - return ret; - } - } + /* Configure for ELP power saving */ + else + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); + + if (ret < 0) + return ret; } /* Mode specific init */ diff --git a/drivers/net/wireless/ti/wlcore/io.c b/drivers/net/wireless/ti/wlcore/io.c index 7cd0081aede5..68e74eefd296 100644 --- a/drivers/net/wireless/ti/wlcore/io.c +++ b/drivers/net/wireless/ti/wlcore/io.c @@ -48,12 +48,24 @@ void wlcore_disable_interrupts(struct wl1271 *wl) } EXPORT_SYMBOL_GPL(wlcore_disable_interrupts); +void wlcore_disable_interrupts_nosync(struct wl1271 *wl) +{ + disable_irq_nosync(wl->irq); +} +EXPORT_SYMBOL_GPL(wlcore_disable_interrupts_nosync); + void wlcore_enable_interrupts(struct wl1271 *wl) { enable_irq(wl->irq); } EXPORT_SYMBOL_GPL(wlcore_enable_interrupts); +void wlcore_synchronize_interrupts(struct wl1271 *wl) +{ + synchronize_irq(wl->irq); +} +EXPORT_SYMBOL_GPL(wlcore_synchronize_interrupts); + int wlcore_translate_addr(struct wl1271 *wl, int addr) { struct wlcore_partition_set *part = &wl->curr_part; @@ -122,9 +134,11 @@ EXPORT_SYMBOL_GPL(wlcore_translate_addr); * | | * */ -void wlcore_set_partition(struct wl1271 *wl, - const struct wlcore_partition_set *p) +int wlcore_set_partition(struct wl1271 *wl, + const struct wlcore_partition_set *p) { + int ret; + /* copy partition info */ memcpy(&wl->curr_part, p, sizeof(*p)); @@ -137,28 +151,41 @@ void wlcore_set_partition(struct wl1271 *wl, wl1271_debug(DEBUG_IO, "mem3_start %08X mem3_size %08X", p->mem3.start, p->mem3.size); - wl1271_raw_write32(wl, HW_PART0_START_ADDR, p->mem.start); - wl1271_raw_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size); - wl1271_raw_write32(wl, HW_PART1_START_ADDR, p->reg.start); - wl1271_raw_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size); - wl1271_raw_write32(wl, HW_PART2_START_ADDR, p->mem2.start); - wl1271_raw_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size); + ret = wlcore_raw_write32(wl, HW_PART0_START_ADDR, p->mem.start); + if (ret < 0) + goto out; + + ret = wlcore_raw_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size); + if (ret < 0) + goto out; + + ret = wlcore_raw_write32(wl, HW_PART1_START_ADDR, p->reg.start); + if (ret < 0) + goto out; + + ret = wlcore_raw_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size); + if (ret < 0) + goto out; + + ret = wlcore_raw_write32(wl, HW_PART2_START_ADDR, p->mem2.start); + if (ret < 0) + goto out; + + ret = wlcore_raw_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size); + if (ret < 0) + goto out; + /* * We don't need the size of the last partition, as it is * automatically calculated based on the total memory size and * the sizes of the previous partitions. */ - wl1271_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start); -} -EXPORT_SYMBOL_GPL(wlcore_set_partition); - -void wlcore_select_partition(struct wl1271 *wl, u8 part) -{ - wl1271_debug(DEBUG_IO, "setting partition %d", part); + ret = wlcore_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start); - wlcore_set_partition(wl, &wl->ptable[part]); +out: + return ret; } -EXPORT_SYMBOL_GPL(wlcore_select_partition); +EXPORT_SYMBOL_GPL(wlcore_set_partition); void wl1271_io_reset(struct wl1271 *wl) { diff --git a/drivers/net/wireless/ti/wlcore/io.h b/drivers/net/wireless/ti/wlcore/io.h index 8942954b56a0..259149f36fae 100644 --- a/drivers/net/wireless/ti/wlcore/io.h +++ b/drivers/net/wireless/ti/wlcore/io.h @@ -45,86 +45,122 @@ struct wl1271; void wlcore_disable_interrupts(struct wl1271 *wl); +void wlcore_disable_interrupts_nosync(struct wl1271 *wl); void wlcore_enable_interrupts(struct wl1271 *wl); +void wlcore_synchronize_interrupts(struct wl1271 *wl); void wl1271_io_reset(struct wl1271 *wl); void wl1271_io_init(struct wl1271 *wl); int wlcore_translate_addr(struct wl1271 *wl, int addr); /* Raw target IO, address is not translated */ -static inline void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_raw_write(struct wl1271 *wl, int addr, + void *buf, size_t len, + bool fixed) { - wl->if_ops->write(wl->dev, addr, buf, len, fixed); + int ret; + + if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags)) + return -EIO; + + ret = wl->if_ops->write(wl->dev, addr, buf, len, fixed); + if (ret && wl->state != WL1271_STATE_OFF) + set_bit(WL1271_FLAG_IO_FAILED, &wl->flags); + + return ret; } -static inline void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_raw_read(struct wl1271 *wl, int addr, + void *buf, size_t len, + bool fixed) { - wl->if_ops->read(wl->dev, addr, buf, len, fixed); + int ret; + + if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags)) + return -EIO; + + ret = wl->if_ops->read(wl->dev, addr, buf, len, fixed); + if (ret && wl->state != WL1271_STATE_OFF) + set_bit(WL1271_FLAG_IO_FAILED, &wl->flags); + + return ret; } -static inline void wlcore_raw_read_data(struct wl1271 *wl, int reg, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_raw_read_data(struct wl1271 *wl, int reg, + void *buf, size_t len, + bool fixed) { - wl1271_raw_read(wl, wl->rtable[reg], buf, len, fixed); + return wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed); } -static inline void wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_raw_write_data(struct wl1271 *wl, int reg, + void *buf, size_t len, + bool fixed) { - wl1271_raw_write(wl, wl->rtable[reg], buf, len, fixed); + return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed); } -static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr) +static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr, + u32 *val) { - wl1271_raw_read(wl, addr, &wl->buffer_32, - sizeof(wl->buffer_32), false); + int ret; + + ret = wlcore_raw_read(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); + if (ret < 0) + return ret; + + if (val) + *val = le32_to_cpu(wl->buffer_32); - return le32_to_cpu(wl->buffer_32); + return 0; } -static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val) +static inline int __must_check wlcore_raw_write32(struct wl1271 *wl, int addr, + u32 val) { wl->buffer_32 = cpu_to_le32(val); - wl1271_raw_write(wl, addr, &wl->buffer_32, - sizeof(wl->buffer_32), false); + return wlcore_raw_write(wl, addr, &wl->buffer_32, + sizeof(wl->buffer_32), false); } -static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_read(struct wl1271 *wl, int addr, + void *buf, size_t len, bool fixed) { int physical; physical = wlcore_translate_addr(wl, addr); - wl1271_raw_read(wl, physical, buf, len, fixed); + return wlcore_raw_read(wl, physical, buf, len, fixed); } -static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_write(struct wl1271 *wl, int addr, + void *buf, size_t len, bool fixed) { int physical; physical = wlcore_translate_addr(wl, addr); - wl1271_raw_write(wl, physical, buf, len, fixed); + return wlcore_raw_write(wl, physical, buf, len, fixed); } -static inline void wlcore_write_data(struct wl1271 *wl, int reg, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_write_data(struct wl1271 *wl, int reg, + void *buf, size_t len, + bool fixed) { - wl1271_write(wl, wl->rtable[reg], buf, len, fixed); + return wlcore_write(wl, wl->rtable[reg], buf, len, fixed); } -static inline void wlcore_read_data(struct wl1271 *wl, int reg, void *buf, - size_t len, bool fixed) +static inline int __must_check wlcore_read_data(struct wl1271 *wl, int reg, + void *buf, size_t len, + bool fixed) { - wl1271_read(wl, wl->rtable[reg], buf, len, fixed); + return wlcore_read(wl, wl->rtable[reg], buf, len, fixed); } -static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr, - void *buf, size_t len, bool fixed) +static inline int __must_check wlcore_read_hwaddr(struct wl1271 *wl, int hwaddr, + void *buf, size_t len, + bool fixed) { int physical; int addr; @@ -134,34 +170,47 @@ static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr, physical = wlcore_translate_addr(wl, addr); - wl1271_raw_read(wl, physical, buf, len, fixed); + return wlcore_raw_read(wl, physical, buf, len, fixed); } -static inline u32 wl1271_read32(struct wl1271 *wl, int addr) +static inline int __must_check wlcore_read32(struct wl1271 *wl, int addr, + u32 *val) { - return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr)); + return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val); } -static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val) +static inline int __must_check wlcore_write32(struct wl1271 *wl, int addr, + u32 val) { - wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val); + return wlcore_raw_write32(wl, wlcore_translate_addr(wl, addr), val); } -static inline u32 wlcore_read_reg(struct wl1271 *wl, int reg) +static inline int __must_check wlcore_read_reg(struct wl1271 *wl, int reg, + u32 *val) { - return wl1271_raw_read32(wl, - wlcore_translate_addr(wl, wl->rtable[reg])); + return wlcore_raw_read32(wl, + wlcore_translate_addr(wl, wl->rtable[reg]), + val); } -static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val) +static inline int __must_check wlcore_write_reg(struct wl1271 *wl, int reg, + u32 val) { - wl1271_raw_write32(wl, wlcore_translate_addr(wl, wl->rtable[reg]), val); + return wlcore_raw_write32(wl, + wlcore_translate_addr(wl, wl->rtable[reg]), + val); } static inline void wl1271_power_off(struct wl1271 *wl) { - wl->if_ops->power(wl->dev, false); - clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); + int ret; + + if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags)) + return; + + ret = wl->if_ops->power(wl->dev, false); + if (!ret) + clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); } static inline int wl1271_power_on(struct wl1271 *wl) @@ -173,8 +222,8 @@ static inline int wl1271_power_on(struct wl1271 *wl) return ret; } -void wlcore_set_partition(struct wl1271 *wl, - const struct wlcore_partition_set *p); +int wlcore_set_partition(struct wl1271 *wl, + const struct wlcore_partition_set *p); bool wl1271_set_block_size(struct wl1271 *wl); @@ -182,6 +231,4 @@ bool wl1271_set_block_size(struct wl1271 *wl); int wl1271_tx_dummy_packet(struct wl1271 *wl); -void wlcore_select_partition(struct wl1271 *wl, u8 part); - #endif diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index acef93390d3d..72548609f711 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -62,7 +62,7 @@ static bool no_recovery; static void __wl1271_op_remove_interface(struct wl1271 *wl, struct ieee80211_vif *vif, bool reset_tx_queues); -static void wl1271_op_stop(struct ieee80211_hw *hw); +static void wlcore_op_stop_locked(struct wl1271 *wl); static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); static int wl12xx_set_authorized(struct wl1271 *wl, @@ -320,46 +320,6 @@ static void wlcore_adjust_conf(struct wl1271 *wl) } } -static int wl1271_plt_init(struct wl1271 *wl) -{ - int ret; - - ret = wl->ops->hw_init(wl); - if (ret < 0) - return ret; - - ret = wl1271_acx_init_mem_config(wl); - if (ret < 0) - return ret; - - 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; - - return 0; - - out_free_memmap: - kfree(wl->target_mem_map); - wl->target_mem_map = NULL; - - return ret; -} - static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, u8 tx_pkts) @@ -387,7 +347,7 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, static void wl12xx_irq_update_links_status(struct wl1271 *wl, struct wl12xx_vif *wlvif, - struct wl_fw_status *status) + struct wl_fw_status_2 *status) { struct wl1271_link *lnk; u32 cur_fw_ps_map; @@ -418,8 +378,9 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl, } } -static void wl12xx_fw_status(struct wl1271 *wl, - struct wl_fw_status *status) +static int wlcore_fw_status(struct wl1271 *wl, + struct wl_fw_status_1 *status_1, + struct wl_fw_status_2 *status_2) { struct wl12xx_vif *wlvif; struct timespec ts; @@ -427,38 +388,42 @@ static void wl12xx_fw_status(struct wl1271 *wl, int avail, freed_blocks; int i; size_t status_len; + int ret; - status_len = sizeof(*status) + wl->fw_status_priv_len; + status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + + sizeof(*status_2) + wl->fw_status_priv_len; - wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status, - status_len, false); + ret = wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status_1, + status_len, false); + if (ret < 0) + return ret; wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " "drv_rx_counter = %d, tx_results_counter = %d)", - status->intr, - status->fw_rx_counter, - status->drv_rx_counter, - status->tx_results_counter); + status_1->intr, + status_1->fw_rx_counter, + status_1->drv_rx_counter, + status_1->tx_results_counter); for (i = 0; i < NUM_TX_QUEUES; i++) { /* prevent wrap-around in freed-packets counter */ wl->tx_allocated_pkts[i] -= - (status->counters.tx_released_pkts[i] - + (status_2->counters.tx_released_pkts[i] - wl->tx_pkts_freed[i]) & 0xff; - wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; + wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i]; } /* prevent wrap-around in total blocks counter */ if (likely(wl->tx_blocks_freed <= - le32_to_cpu(status->total_released_blks))) - freed_blocks = le32_to_cpu(status->total_released_blks) - + le32_to_cpu(status_2->total_released_blks))) + freed_blocks = le32_to_cpu(status_2->total_released_blks) - wl->tx_blocks_freed; else freed_blocks = 0x100000000LL - wl->tx_blocks_freed + - le32_to_cpu(status->total_released_blks); + le32_to_cpu(status_2->total_released_blks); - wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks); + wl->tx_blocks_freed = le32_to_cpu(status_2->total_released_blks); wl->tx_allocated_blocks -= freed_blocks; @@ -474,7 +439,7 @@ static void wl12xx_fw_status(struct wl1271 *wl, cancel_delayed_work(&wl->tx_watchdog_work); } - avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks; + avail = le32_to_cpu(status_2->tx_total) - wl->tx_allocated_blocks; /* * The FW might change the total number of TX memblocks before @@ -493,13 +458,15 @@ static void wl12xx_fw_status(struct wl1271 *wl, /* for AP update num of allocated TX blocks per link and ps status */ wl12xx_for_each_wlvif_ap(wl, wlvif) { - wl12xx_irq_update_links_status(wl, wlvif, status); + wl12xx_irq_update_links_status(wl, wlvif, status_2); } /* update the host-chipset time offset */ getnstimeofday(&ts); wl->time_offset = (timespec_to_ns(&ts) >> 10) - - (s64)le32_to_cpu(status->fw_localtime); + (s64)le32_to_cpu(status_2->fw_localtime); + + return 0; } static void wl1271_flush_deferred_work(struct wl1271 *wl) @@ -527,20 +494,15 @@ static void wl1271_netstack_work(struct work_struct *work) #define WL1271_IRQ_MAX_LOOPS 256 -static irqreturn_t wl1271_irq(int irq, void *cookie) +static int wlcore_irq_locked(struct wl1271 *wl) { - int ret; + int ret = 0; u32 intr; int loopcount = WL1271_IRQ_MAX_LOOPS; - struct wl1271 *wl = (struct wl1271 *)cookie; bool done = false; unsigned int defer_count; unsigned long flags; - /* TX might be handled here, avoid redundant work */ - set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); - cancel_work_sync(&wl->tx_work); - /* * In case edge triggered interrupt must be used, we cannot iterate * more than once without introducing race conditions with the hardirq. @@ -548,8 +510,6 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) loopcount = 1; - mutex_lock(&wl->mutex); - wl1271_debug(DEBUG_IRQ, "IRQ work"); if (unlikely(wl->state == WL1271_STATE_OFF)) @@ -568,21 +528,33 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); smp_mb__after_clear_bit(); - wl12xx_fw_status(wl, wl->fw_status); + ret = wlcore_fw_status(wl, wl->fw_status_1, wl->fw_status_2); + if (ret < 0) + goto out; wlcore_hw_tx_immediate_compl(wl); - intr = le32_to_cpu(wl->fw_status->intr); - intr &= WL1271_INTR_MASK; + intr = le32_to_cpu(wl->fw_status_1->intr); + intr &= WLCORE_ALL_INTR_MASK; if (!intr) { done = true; continue; } if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { - wl1271_error("watchdog interrupt received! " + wl1271_error("HW watchdog interrupt received! starting recovery."); + wl->watchdog_recovery = true; + ret = -EIO; + + /* restarting the chip. ignore any other interrupt. */ + goto out; + } + + if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { + wl1271_error("SW watchdog interrupt received! " "starting recovery."); - wl12xx_queue_recovery_work(wl); + wl->watchdog_recovery = true; + ret = -EIO; /* restarting the chip. ignore any other interrupt. */ goto out; @@ -591,7 +563,9 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (likely(intr & WL1271_ACX_INTR_DATA)) { wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); - wl12xx_rx(wl, wl->fw_status); + ret = wlcore_rx(wl, wl->fw_status_1); + if (ret < 0) + goto out; /* Check if any tx blocks were freed */ spin_lock_irqsave(&wl->wl_lock, flags); @@ -602,13 +576,17 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) * In order to avoid starvation of the TX path, * call the work function directly. */ - wl1271_tx_work_locked(wl); + ret = wlcore_tx_work_locked(wl); + if (ret < 0) + goto out; } else { spin_unlock_irqrestore(&wl->wl_lock, flags); } /* check for tx results */ - wlcore_hw_tx_delayed_compl(wl); + ret = wlcore_hw_tx_delayed_compl(wl); + if (ret < 0) + goto out; /* Make sure the deferred queues don't get too long */ defer_count = skb_queue_len(&wl->deferred_tx_queue) + @@ -619,12 +597,16 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (intr & WL1271_ACX_INTR_EVENT_A) { wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); - wl1271_event_handle(wl, 0); + ret = wl1271_event_handle(wl, 0); + if (ret < 0) + goto out; } if (intr & WL1271_ACX_INTR_EVENT_B) { wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); - wl1271_event_handle(wl, 1); + ret = wl1271_event_handle(wl, 1); + if (ret < 0) + goto out; } if (intr & WL1271_ACX_INTR_INIT_COMPLETE) @@ -638,6 +620,25 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) wl1271_ps_elp_sleep(wl); out: + return ret; +} + +static irqreturn_t wlcore_irq(int irq, void *cookie) +{ + int ret; + unsigned long flags; + struct wl1271 *wl = cookie; + + /* TX might be handled here, avoid redundant work */ + set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); + cancel_work_sync(&wl->tx_work); + + mutex_lock(&wl->mutex); + + ret = wlcore_irq_locked(wl); + if (ret) + wl12xx_queue_recovery_work(wl); + spin_lock_irqsave(&wl->wl_lock, flags); /* In case TX was not handled here, queue TX work */ clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); @@ -743,7 +744,7 @@ out: return ret; } -static int wl1271_fetch_nvs(struct wl1271 *wl) +static void wl1271_fetch_nvs(struct wl1271 *wl) { const struct firmware *fw; int ret; @@ -751,16 +752,15 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) ret = request_firmware(&fw, WL12XX_NVS_NAME, wl->dev); if (ret < 0) { - wl1271_error("could not get nvs file %s: %d", WL12XX_NVS_NAME, - ret); - return ret; + wl1271_debug(DEBUG_BOOT, "could not get nvs file %s: %d", + WL12XX_NVS_NAME, ret); + return; } wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); if (!wl->nvs) { wl1271_error("could not allocate memory for the nvs file"); - ret = -ENOMEM; goto out; } @@ -768,14 +768,17 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) out: release_firmware(fw); - - return ret; } void wl12xx_queue_recovery_work(struct wl1271 *wl) { - if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + WARN_ON(!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); + + /* Avoid a recursive recovery */ + if (!test_and_set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { + wlcore_disable_interrupts_nosync(wl); ieee80211_queue_work(wl->hw, &wl->recovery_work); + } } size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) @@ -801,14 +804,17 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) return len; } +#define WLCORE_FW_LOG_END 0x2000000 + static void wl12xx_read_fwlog_panic(struct wl1271 *wl) { u32 addr; - u32 first_addr; + u32 offset; + u32 end_of_log; u8 *block; + int ret; if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) || - (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || (wl->conf.fwlog.mem_blocks == 0)) return; @@ -820,34 +826,49 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) /* * Make sure the chip is awake and the logger isn't active. - * This might fail if the firmware hanged. + * Do not send a stop fwlog command if the fw is hanged. */ - if (!wl1271_ps_elp_wakeup(wl)) + if (wl1271_ps_elp_wakeup(wl)) + goto out; + if (!wl->watchdog_recovery) wl12xx_cmd_stop_fwlog(wl); /* Read the first memory block address */ - wl12xx_fw_status(wl, wl->fw_status); - first_addr = le32_to_cpu(wl->fw_status->log_start_addr); - if (!first_addr) + ret = wlcore_fw_status(wl, wl->fw_status_1, wl->fw_status_2); + if (ret < 0) goto out; + addr = le32_to_cpu(wl->fw_status_2->log_start_addr); + if (!addr) + goto out; + + if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) { + offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor); + end_of_log = WLCORE_FW_LOG_END; + } else { + offset = sizeof(addr); + end_of_log = addr; + } + /* Traverse the memory blocks linked list */ - addr = first_addr; do { memset(block, 0, WL12XX_HW_BLOCK_SIZE); - wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, - false); + ret = wlcore_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, + false); + if (ret < 0) + goto out; /* * Memory blocks are linked to one another. The first 4 bytes * of each memory block hold the hardware address of the next - * one. The last memory block points to the first one. + * one. The last memory block points to the first one in + * on demand mode and is equal to 0x2000000 in continuous mode. */ addr = le32_to_cpup((__le32 *)block); - if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), - WL12XX_HW_BLOCK_SIZE - sizeof(addr))) + if (!wl12xx_copy_fwlog(wl, block + offset, + WL12XX_HW_BLOCK_SIZE - offset)) break; - } while (addr && (addr != first_addr)); + } while (addr && (addr != end_of_log)); wake_up_interruptible(&wl->fwlog_waitq); @@ -855,6 +876,34 @@ out: kfree(block); } +static void wlcore_print_recovery(struct wl1271 *wl) +{ + u32 pc = 0; + u32 hint_sts = 0; + int ret; + + wl1271_info("Hardware recovery in progress. FW ver: %s", + wl->chip.fw_ver_str); + + /* change partitions momentarily so we can read the FW pc */ + ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + if (ret < 0) + return; + + ret = wlcore_read_reg(wl, REG_PC_ON_RECOVERY, &pc); + if (ret < 0) + return; + + ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &hint_sts); + if (ret < 0) + return; + + wl1271_info("pc: 0x%x, hint_sts: 0x%08x", pc, hint_sts); + + wlcore_set_partition(wl, &wl->ptable[PART_WORK]); +} + + static void wl1271_recovery_work(struct work_struct *work) { struct wl1271 *wl = @@ -867,26 +916,19 @@ static void wl1271_recovery_work(struct work_struct *work) if (wl->state != WL1271_STATE_ON || wl->plt) goto out_unlock; - /* Avoid a recursive recovery */ - set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); - - wl12xx_read_fwlog_panic(wl); - - wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", - wl->chip.fw_ver_str, - wlcore_read_reg(wl, REG_PC_ON_RECOVERY)); + if (!test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) { + wl12xx_read_fwlog_panic(wl); + wlcore_print_recovery(wl); + } BUG_ON(bug_on_recovery && !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); if (no_recovery) { wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); - clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); goto out_unlock; } - BUG_ON(bug_on_recovery); - /* * Advance security sequence number to overcome potential progress * in the firmware during recovery. This doens't hurt if the network is @@ -900,7 +942,7 @@ static void wl1271_recovery_work(struct work_struct *work) } /* Prevent spurious TX during FW restart */ - ieee80211_stop_queues(wl->hw); + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); if (wl->sched_scanning) { ieee80211_sched_scan_stopped(wl->hw); @@ -914,10 +956,8 @@ static void wl1271_recovery_work(struct work_struct *work) vif = wl12xx_wlvif_to_vif(wlvif); __wl1271_op_remove_interface(wl, vif, false); } - mutex_unlock(&wl->mutex); - wl1271_op_stop(wl->hw); - clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); + wlcore_op_stop_locked(wl); ieee80211_restart_hw(wl->hw); @@ -925,26 +965,34 @@ static void wl1271_recovery_work(struct work_struct *work) * Its safe to enable TX now - the queues are stopped after a request * to restart the HW. */ - ieee80211_wake_queues(wl->hw); - return; + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); + out_unlock: + wl->watchdog_recovery = false; + clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); mutex_unlock(&wl->mutex); } -static void wl1271_fw_wakeup(struct wl1271 *wl) +static int wlcore_fw_wakeup(struct wl1271 *wl) { - wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); + return wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); } static int wl1271_setup(struct wl1271 *wl) { - wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); - if (!wl->fw_status) + wl->fw_status_1 = kmalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + + sizeof(*wl->fw_status_2) + + wl->fw_status_priv_len, GFP_KERNEL); + if (!wl->fw_status_1) return -ENOMEM; + wl->fw_status_2 = (struct wl_fw_status_2 *) + (((u8 *) wl->fw_status_1) + + WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc)); + wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); if (!wl->tx_res_if) { - kfree(wl->fw_status); + kfree(wl->fw_status_1); return -ENOMEM; } @@ -963,13 +1011,21 @@ static int wl12xx_set_power_on(struct wl1271 *wl) wl1271_io_reset(wl); wl1271_io_init(wl); - wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + if (ret < 0) + goto fail; /* ELP module wake up */ - wl1271_fw_wakeup(wl); + ret = wlcore_fw_wakeup(wl); + if (ret < 0) + goto fail; out: return ret; + +fail: + wl1271_power_off(wl); + return ret; } static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) @@ -987,13 +1043,12 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) * simplify the code and since the performance impact is * negligible, we use the same block size for all different * chip types. + * + * Check if the bus supports blocksize alignment and, if it + * doesn't, make sure we don't have the quirk. */ - if (wl1271_set_block_size(wl)) - wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - - ret = wl->ops->identify_chip(wl); - if (ret < 0) - goto out; + if (!wl1271_set_block_size(wl)) + wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; /* TODO: make sure the lower driver has set things up correctly */ @@ -1005,21 +1060,21 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) if (ret < 0) goto out; - /* No NVS from netlink, try to get it from the filesystem */ - if (wl->nvs == NULL) { - ret = wl1271_fetch_nvs(wl); - if (ret < 0) - goto out; - } - out: return ret; } -int wl1271_plt_start(struct wl1271 *wl) +int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode) { int retries = WL1271_BOOT_RETRIES; struct wiphy *wiphy = wl->hw->wiphy; + + static const char* const PLT_MODE[] = { + "PLT_OFF", + "PLT_ON", + "PLT_FEM_DETECT" + }; + int ret; mutex_lock(&wl->mutex); @@ -1033,23 +1088,23 @@ int wl1271_plt_start(struct wl1271 *wl) goto out; } + /* Indicate to lower levels that we are now in PLT mode */ + wl->plt = true; + wl->plt_mode = plt_mode; + while (retries) { retries--; ret = wl12xx_chip_wakeup(wl, true); if (ret < 0) goto power_off; - ret = wl->ops->boot(wl); + ret = wl->ops->plt_init(wl); if (ret < 0) goto power_off; - ret = wl1271_plt_init(wl); - if (ret < 0) - goto irq_disable; - - wl->plt = true; wl->state = WL1271_STATE_ON; - wl1271_notice("firmware booted in PLT mode (%s)", + wl1271_notice("firmware booted in PLT mode %s (%s)", + PLT_MODE[plt_mode], wl->chip.fw_ver_str); /* update hw/fw version info in wiphy struct */ @@ -1059,23 +1114,13 @@ int wl1271_plt_start(struct wl1271 *wl) goto 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); - wl1271_flush_deferred_work(wl); - cancel_work_sync(&wl->netstack_work); - mutex_lock(&wl->mutex); power_off: wl1271_power_off(wl); } + wl->plt = false; + wl->plt_mode = PLT_OFF; + wl1271_error("firmware boot in PLT mode failed despite %d retries", WL1271_BOOT_RETRIES); out: @@ -1125,8 +1170,10 @@ int wl1271_plt_stop(struct wl1271 *wl) mutex_lock(&wl->mutex); wl1271_power_off(wl); wl->flags = 0; + wl->sleep_auth = WL1271_PSM_ILLEGAL; wl->state = WL1271_STATE_OFF; wl->plt = false; + wl->plt_mode = PLT_OFF; wl->rx_counter = 0; mutex_unlock(&wl->mutex); @@ -1154,9 +1201,16 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) spin_lock_irqsave(&wl->wl_lock, flags); - /* queue the packet */ + /* + * drop the packet if the link is invalid or the queue is stopped + * for any reason but watermark. Watermark is a "soft"-stop so we + * allow these packets through. + */ if (hlid == WL12XX_INVALID_LINK_ID || - (wlvif && !test_bit(hlid, wlvif->links_map))) { + (wlvif && !test_bit(hlid, wlvif->links_map)) || + (wlcore_is_queue_stopped(wl, q) && + !wlcore_is_queue_stopped_by_reason(wl, q, + WLCORE_QUEUE_STOP_REASON_WATERMARK))) { wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); ieee80211_free_txskb(hw, skb); goto out; @@ -1172,10 +1226,12 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * The workqueue is slow to process the tx_queue and we need stop * the queue here, otherwise the queue will get too long. */ - if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { + if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && + !wlcore_is_queue_stopped_by_reason(wl, q, + WLCORE_QUEUE_STOP_REASON_WATERMARK)) { wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); - ieee80211_stop_queue(wl->hw, mapping); - set_bit(q, &wl->stopped_queues_map); + wlcore_stop_queue_locked(wl, q, + WLCORE_QUEUE_STOP_REASON_WATERMARK); } /* @@ -1209,7 +1265,7 @@ int wl1271_tx_dummy_packet(struct wl1271 *wl) /* The FW is low on RX memory blocks, so send the dummy packet asap */ if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) - wl1271_tx_work_locked(wl); + return wlcore_tx_work_locked(wl); /* * If the FW TX is busy, TX work will be scheduled by the threaded @@ -1476,8 +1532,15 @@ static int wl1271_configure_wowlan(struct wl1271 *wl, int i, ret; if (!wow || wow->any || !wow->n_patterns) { - wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); - wl1271_rx_filter_clear_all(wl); + ret = wl1271_acx_default_rx_filter_enable(wl, 0, + FILTER_SIGNAL); + if (ret) + goto out; + + ret = wl1271_rx_filter_clear_all(wl); + if (ret) + goto out; + return 0; } @@ -1493,8 +1556,13 @@ static int wl1271_configure_wowlan(struct wl1271 *wl, } } - wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); - wl1271_rx_filter_clear_all(wl); + ret = wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); + if (ret) + goto out; + + ret = wl1271_rx_filter_clear_all(wl); + if (ret) + goto out; /* Translate WoWLAN patterns into filters */ for (i = 0; i < wow->n_patterns; i++) { @@ -1532,11 +1600,20 @@ static int wl1271_configure_suspend_sta(struct wl1271 *wl, if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) goto out; + if ((wl->conf.conn.suspend_wake_up_event == + wl->conf.conn.wake_up_event) && + (wl->conf.conn.suspend_listen_interval == + wl->conf.conn.listen_interval)) + goto out; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out; - wl1271_configure_wowlan(wl, wow); + ret = wl1271_configure_wowlan(wl, wow); + if (ret < 0) + goto out_sleep; + ret = wl1271_acx_wake_up_conditions(wl, wlvif, wl->conf.conn.suspend_wake_up_event, wl->conf.conn.suspend_listen_interval); @@ -1544,8 +1621,8 @@ static int wl1271_configure_suspend_sta(struct wl1271 *wl, if (ret < 0) wl1271_error("suspend: set wake up conditions failed: %d", ret); +out_sleep: wl1271_ps_elp_sleep(wl); - out: return ret; @@ -1592,6 +1669,13 @@ static void wl1271_configure_resume(struct wl1271 *wl, if ((!is_ap) && (!is_sta)) return; + if (is_sta && + ((wl->conf.conn.suspend_wake_up_event == + wl->conf.conn.wake_up_event) && + (wl->conf.conn.suspend_listen_interval == + wl->conf.conn.listen_interval))) + return; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) return; @@ -1624,6 +1708,12 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw, wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); WARN_ON(!wow); + /* we want to perform the recovery before suspending */ + if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { + wl1271_warning("postponing suspend to perform recovery"); + return -EBUSY; + } + wl1271_tx_flush(wl); mutex_lock(&wl->mutex); @@ -1664,7 +1754,8 @@ static int wl1271_op_resume(struct ieee80211_hw *hw) struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif; unsigned long flags; - bool run_irq_work = false; + bool run_irq_work = false, pending_recovery; + int ret; wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", wl->wow_enabled); @@ -1680,17 +1771,37 @@ static int wl1271_op_resume(struct ieee80211_hw *hw) run_irq_work = true; spin_unlock_irqrestore(&wl->wl_lock, flags); + mutex_lock(&wl->mutex); + + /* test the recovery flag before calling any SDIO functions */ + pending_recovery = test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, + &wl->flags); + if (run_irq_work) { wl1271_debug(DEBUG_MAC80211, "run postponed irq_work directly"); - wl1271_irq(0, wl); + + /* don't talk to the HW if recovery is pending */ + if (!pending_recovery) { + ret = wlcore_irq_locked(wl); + if (ret) + wl12xx_queue_recovery_work(wl); + } + wlcore_enable_interrupts(wl); } - mutex_lock(&wl->mutex); + if (pending_recovery) { + wl1271_warning("queuing forgotten recovery on resume"); + ieee80211_queue_work(wl->hw, &wl->recovery_work); + goto out; + } + wl12xx_for_each_wlvif(wl, wlvif) { wl1271_configure_resume(wl, wlvif); } + +out: wl->wow_enabled = false; mutex_unlock(&wl->mutex); @@ -1716,29 +1827,15 @@ static int wl1271_op_start(struct ieee80211_hw *hw) return 0; } -static void wl1271_op_stop(struct ieee80211_hw *hw) +static void wlcore_op_stop_locked(struct wl1271 *wl) { - struct wl1271 *wl = hw->priv; int i; - wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); - - /* - * Interrupts must be disabled before setting the state to OFF. - * Otherwise, the interrupt handler might be called and exit without - * reading the interrupt status. - */ - wlcore_disable_interrupts(wl); - mutex_lock(&wl->mutex); if (wl->state == WL1271_STATE_OFF) { - mutex_unlock(&wl->mutex); + if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, + &wl->flags)) + wlcore_enable_interrupts(wl); - /* - * This will not necessarily enable interrupts as interrupts - * may have been disabled when op_stop was called. It will, - * however, balance the above call to disable_interrupts(). - */ - wlcore_enable_interrupts(wl); return; } @@ -1747,8 +1844,16 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) * functions don't perform further work. */ wl->state = WL1271_STATE_OFF; + + /* + * Use the nosync variant to disable interrupts, so the mutex could be + * held while doing so without deadlocking. + */ + wlcore_disable_interrupts_nosync(wl); + mutex_unlock(&wl->mutex); + wlcore_synchronize_interrupts(wl); wl1271_flush_deferred_work(wl); cancel_delayed_work_sync(&wl->scan_complete_work); cancel_work_sync(&wl->netstack_work); @@ -1758,15 +1863,23 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) cancel_delayed_work_sync(&wl->connection_loss_work); /* let's notify MAC80211 about the remaining pending TX frames */ - wl12xx_tx_reset(wl, true); + wl12xx_tx_reset(wl); mutex_lock(&wl->mutex); wl1271_power_off(wl); + /* + * In case a recovery was scheduled, interrupts were disabled to avoid + * an interrupt storm. Now that the power is down, it is safe to + * re-enable interrupts to balance the disable depth + */ + if (test_and_clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + wlcore_enable_interrupts(wl); wl->band = IEEE80211_BAND_2GHZ; wl->rx_counter = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; + wl->channel_type = NL80211_CHAN_NO_HT; wl->tx_blocks_available = 0; wl->tx_allocated_blocks = 0; wl->tx_results_count = 0; @@ -1775,6 +1888,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl->ap_fw_ps_map = 0; wl->ap_ps_map = 0; wl->sched_scanning = false; + wl->sleep_auth = WL1271_PSM_ILLEGAL; memset(wl->roles_map, 0, sizeof(wl->roles_map)); memset(wl->links_map, 0, sizeof(wl->links_map)); memset(wl->roc_map, 0, sizeof(wl->roc_map)); @@ -1799,12 +1913,24 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl1271_debugfs_reset(wl); - kfree(wl->fw_status); - wl->fw_status = NULL; + kfree(wl->fw_status_1); + wl->fw_status_1 = NULL; + wl->fw_status_2 = NULL; kfree(wl->tx_res_if); wl->tx_res_if = NULL; kfree(wl->target_mem_map); wl->target_mem_map = NULL; +} + +static void wlcore_op_stop(struct ieee80211_hw *hw) +{ + struct wl1271 *wl = hw->priv; + + wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); + + mutex_lock(&wl->mutex); + + wlcore_op_stop_locked(wl); mutex_unlock(&wl->mutex); } @@ -1894,6 +2020,9 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); + wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; + wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; + wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; } else { /* init ap data */ wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; @@ -1903,13 +2032,19 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) wl12xx_allocate_rate_policy(wl, &wlvif->ap.ucast_rate_idx[i]); + wlvif->basic_rate_set = CONF_TX_AP_ENABLED_RATES; + /* + * TODO: check if basic_rate shouldn't be + * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); + * instead (the same thing for STA above). + */ + wlvif->basic_rate = CONF_TX_AP_ENABLED_RATES; + /* TODO: this seems to be used only for STA, check it */ + wlvif->rate_set = CONF_TX_AP_ENABLED_RATES; } wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; - wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; - wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; - wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; /* @@ -1919,6 +2054,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wlvif->band = wl->band; wlvif->channel = wl->channel; wlvif->power_level = wl->power_level; + wlvif->channel_type = wl->channel_type; INIT_WORK(&wlvif->rx_streaming_enable_work, wl1271_rx_streaming_enable_work); @@ -2170,6 +2306,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int i, ret; + bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); @@ -2250,11 +2387,33 @@ deinit: wlvif->role_id = WL12XX_INVALID_ROLE_ID; wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; - if (wlvif->bss_type == BSS_TYPE_AP_BSS) + if (is_ap) wl->ap_count--; else wl->sta_count--; + /* + * Last AP, have more stations. Configure sleep auth according to STA. + * Don't do thin on unintended recovery. + */ + if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) && + !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)) + goto unlock; + + if (wl->ap_count == 0 && is_ap && wl->sta_count) { + u8 sta_auth = wl->conf.conn.sta_sleep_auth; + /* Configure for power according to debugfs */ + if (sta_auth != WL1271_PSM_ILLEGAL) + wl1271_acx_sleep_auth(wl, sta_auth); + /* Configure for power always on */ + else if (wl->quirks & WLCORE_QUIRK_NO_ELP) + wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); + /* Configure for ELP power saving */ + else + wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); + } + +unlock: mutex_unlock(&wl->mutex); del_timer_sync(&wlvif->rx_streaming_timer); @@ -2444,7 +2603,7 @@ static int wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, } else { /* The current firmware only supports sched_scan in idle */ if (wl->sched_scanning) { - wl1271_scan_sched_scan_stop(wl); + wl1271_scan_sched_scan_stop(wl, wlvif); ieee80211_sched_scan_stopped(wl->hw); } @@ -2469,13 +2628,24 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, /* if the channel changes while joined, join again */ if (changed & IEEE80211_CONF_CHANGE_CHANNEL && ((wlvif->band != conf->channel->band) || - (wlvif->channel != channel))) { + (wlvif->channel != channel) || + (wlvif->channel_type != conf->channel_type))) { /* send all pending packets */ - wl1271_tx_work_locked(wl); + ret = wlcore_tx_work_locked(wl); + if (ret < 0) + return ret; + wlvif->band = conf->channel->band; wlvif->channel = channel; + wlvif->channel_type = conf->channel_type; - if (!is_ap) { + if (is_ap) { + wl1271_set_band_rate(wl, wlvif); + ret = wl1271_init_ap_rates(wl, wlvif); + if (ret < 0) + wl1271_error("AP rate policy change failed %d", + ret); + } else { /* * FIXME: the mac80211 should really provide a fixed * rate to use here. for now, just use the smallest @@ -2583,8 +2753,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) * frames, such as the deauth. To make sure those frames reach the air, * wait here until the TX queue is fully flushed. */ - if ((changed & IEEE80211_CONF_CHANGE_IDLE) && - (conf->flags & IEEE80211_CONF_IDLE)) + if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || + ((changed & IEEE80211_CONF_CHANGE_IDLE) && + (conf->flags & IEEE80211_CONF_IDLE))) wl1271_tx_flush(wl); mutex_lock(&wl->mutex); @@ -2593,6 +2764,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { wl->band = conf->channel->band; wl->channel = channel; + wl->channel_type = conf->channel_type; } if (changed & IEEE80211_CONF_CHANGE_POWER) @@ -2825,17 +2997,6 @@ static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, int ret; bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); - /* - * A role set to GEM cipher requires different Tx settings (namely - * spare blocks). Note when we are in this mode so the HW can adjust. - */ - if (key_type == KEY_GEM) { - if (action == KEY_ADD_OR_REPLACE) - wlvif->is_gem = true; - else if (action == KEY_REMOVE) - wlvif->is_gem = false; - } - if (is_ap) { struct wl1271_station *wl_sta; u8 hlid; @@ -2913,12 +3074,21 @@ static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, return 0; } -static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, +static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key_conf) { struct wl1271 *wl = hw->priv; + + return wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); +} + +int wlcore_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 wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; u32 tx_seq_32 = 0; @@ -3029,6 +3199,7 @@ out_unlock: return ret; } +EXPORT_SYMBOL_GPL(wlcore_set_key); static int wl1271_op_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -3167,6 +3338,7 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); @@ -3180,7 +3352,7 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, if (ret < 0) goto out; - wl1271_scan_sched_scan_stop(wl); + wl1271_scan_sched_scan_stop(wl, wlvif); wl1271_ps_elp_sleep(wl); out: @@ -3316,8 +3488,15 @@ static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, skb->data, skb->len, 0, rates); - dev_kfree_skb(skb); + + if (ret < 0) + goto out; + + wl1271_debug(DEBUG_AP, "probe response updated"); + set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); + +out: return ret; } @@ -3422,6 +3601,87 @@ out: return ret; } +static int wlcore_set_beacon_template(struct wl1271 *wl, + struct ieee80211_vif *vif, + bool is_ap) +{ + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + struct ieee80211_hdr *hdr; + u32 min_rate; + int ret; + int ieoffset = offsetof(struct ieee80211_mgmt, + u.beacon.variable); + struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); + u16 tmpl_id; + + if (!beacon) { + ret = -EINVAL; + goto out; + } + + wl1271_debug(DEBUG_MASTER, "beacon updated"); + + ret = wl1271_ssid_set(vif, beacon, ieoffset); + if (ret < 0) { + dev_kfree_skb(beacon); + goto out; + } + min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); + tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : + CMD_TEMPL_BEACON; + ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, + beacon->data, + beacon->len, 0, + min_rate); + if (ret < 0) { + dev_kfree_skb(beacon); + goto out; + } + + /* + * In case we already have a probe-resp beacon set explicitly + * by usermode, don't use the beacon data. + */ + if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) + goto end_bcn; + + /* remove TIM ie from probe response */ + wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); + + /* + * remove p2p ie from probe response. + * the fw reponds to probe requests that don't include + * the p2p ie. probe requests with p2p ie will be passed, + * and will be responded by the supplicant (the spec + * forbids including the p2p ie when responding to probe + * requests that didn't include it). + */ + wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P, ieoffset); + + hdr = (struct ieee80211_hdr *) beacon->data; + hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_PROBE_RESP); + if (is_ap) + ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, + beacon->data, + beacon->len, + min_rate); + else + ret = wl1271_cmd_template_set(wl, wlvif->role_id, + CMD_TEMPL_PROBE_RESPONSE, + beacon->data, + beacon->len, 0, + min_rate); +end_bcn: + dev_kfree_skb(beacon); + if (ret < 0) + goto out; + +out: + return ret; +} + static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -3440,81 +3700,12 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); - if (!wl1271_ap_set_probe_resp_tmpl(wl, rate, vif)) { - wl1271_debug(DEBUG_AP, "probe response updated"); - set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); - } + + wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); } if ((changed & BSS_CHANGED_BEACON)) { - struct ieee80211_hdr *hdr; - u32 min_rate; - int ieoffset = offsetof(struct ieee80211_mgmt, - u.beacon.variable); - struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); - u16 tmpl_id; - - if (!beacon) { - ret = -EINVAL; - goto out; - } - - wl1271_debug(DEBUG_MASTER, "beacon updated"); - - ret = wl1271_ssid_set(vif, beacon, ieoffset); - if (ret < 0) { - dev_kfree_skb(beacon); - goto out; - } - min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); - tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : - CMD_TEMPL_BEACON; - ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, - beacon->data, - beacon->len, 0, - min_rate); - if (ret < 0) { - dev_kfree_skb(beacon); - goto out; - } - - /* - * In case we already have a probe-resp beacon set explicitly - * by usermode, don't use the beacon data. - */ - if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) - goto end_bcn; - - /* remove TIM ie from probe response */ - wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); - - /* - * remove p2p ie from probe response. - * the fw reponds to probe requests that don't include - * the p2p ie. probe requests with p2p ie will be passed, - * and will be responded by the supplicant (the spec - * forbids including the p2p ie when responding to probe - * requests that didn't include it). - */ - wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, - WLAN_OUI_TYPE_WFA_P2P, ieoffset); - - hdr = (struct ieee80211_hdr *) beacon->data; - hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_PROBE_RESP); - if (is_ap) - ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, - beacon->data, - beacon->len, - min_rate); - else - ret = wl1271_cmd_template_set(wl, wlvif->role_id, - CMD_TEMPL_PROBE_RESPONSE, - beacon->data, - beacon->len, 0, - min_rate); -end_bcn: - dev_kfree_skb(beacon); + ret = wlcore_set_beacon_template(wl, vif, is_ap); if (ret < 0) goto out; } @@ -3551,6 +3742,14 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, ret = wl1271_ap_init_templates(wl, vif); if (ret < 0) goto out; + + ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); + if (ret < 0) + goto out; + + ret = wlcore_set_beacon_template(wl, vif, true); + if (ret < 0) + goto out; } ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); @@ -3691,7 +3890,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; if (sta->ht_cap.ht_supported) sta_rate_set |= - (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); + (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | + (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); sta_ht_cap = sta->ht_cap; sta_exists = true; @@ -3704,13 +3904,11 @@ sta_not_found: u32 rates; int ieoffset; wlvif->aid = bss_conf->aid; + wlvif->channel_type = bss_conf->channel_type; wlvif->beacon_int = bss_conf->beacon_int; do_join = true; set_assoc = true; - /* Cancel connection_loss_work */ - cancel_delayed_work_sync(&wl->connection_loss_work); - /* * use basic rates from AP, and determine lowest rate * to use with control frames. @@ -3960,6 +4158,17 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", (int)changed); + /* + * make sure to cancel pending disconnections if our association + * state changed + */ + if (!is_ap && (changed & BSS_CHANGED_ASSOC)) + cancel_delayed_work_sync(&wl->connection_loss_work); + + if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && + !bss_conf->enable_beacon) + wl1271_tx_flush(wl); + mutex_lock(&wl->mutex); if (unlikely(wl->state == WL1271_STATE_OFF)) @@ -4068,16 +4277,13 @@ out: static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { - struct wl1271 *wl = hw->priv; struct ieee80211_conf *conf = &hw->conf; if (idx != 0) return -ENOENT; survey->channel = conf->channel; - survey->filled = SURVEY_INFO_NOISE_DBM; - survey->noise = wl->noise; - + survey->filled = 0; return 0; } @@ -4343,9 +4549,14 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_RX_STOP: if (!(*ba_bitmap & BIT(tid))) { - ret = -EINVAL; - wl1271_error("no active RX BA session on tid: %d", + /* + * this happens on reconfig - so only output a debug + * message for now, and don't fail the function. + */ + wl1271_debug(DEBUG_MAC80211, + "no active RX BA session on tid: %d", tid); + ret = 0; break; } @@ -4394,7 +4605,7 @@ static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); - for (i = 0; i < IEEE80211_NUM_BANDS; i++) + for (i = 0; i < WLCORE_NUM_BANDS; i++) wlvif->bitrate_masks[i] = wl1271_tx_enabled_rates_get(wl, mask->control[i].legacy, @@ -4462,6 +4673,13 @@ out: mutex_unlock(&wl->mutex); } +static void wlcore_op_flush(struct ieee80211_hw *hw, bool drop) +{ + struct wl1271 *wl = hw->priv; + + wl1271_tx_flush(wl); +} + static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) { struct wl1271 *wl = hw->priv; @@ -4624,7 +4842,7 @@ static struct ieee80211_supported_band wl1271_band_5ghz = { static const struct ieee80211_ops wl1271_ops = { .start = wl1271_op_start, - .stop = wl1271_op_stop, + .stop = wlcore_op_stop, .add_interface = wl1271_op_add_interface, .remove_interface = wl1271_op_remove_interface, .change_interface = wl12xx_op_change_interface, @@ -4636,7 +4854,7 @@ static const struct ieee80211_ops wl1271_ops = { .prepare_multicast = wl1271_op_prepare_multicast, .configure_filter = wl1271_op_configure_filter, .tx = wl1271_op_tx, - .set_key = wl1271_op_set_key, + .set_key = wlcore_op_set_key, .hw_scan = wl1271_op_hw_scan, .cancel_hw_scan = wl1271_op_cancel_hw_scan, .sched_scan_start = wl1271_op_sched_scan_start, @@ -4652,6 +4870,7 @@ static const struct ieee80211_ops wl1271_ops = { .tx_frames_pending = wl1271_tx_frames_pending, .set_bitrate_mask = wl12xx_set_bitrate_mask, .channel_switch = wl12xx_op_channel_switch, + .flush = wlcore_op_flush, CFG80211_TESTMODE_CMD(wl1271_tm_cmd) }; @@ -4882,18 +5101,22 @@ static int wl12xx_get_hw_info(struct wl1271 *wl) if (ret < 0) goto out; - wl->chip.id = wlcore_read_reg(wl, REG_CHIP_ID_B); + ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); + if (ret < 0) + goto out; wl->fuse_oui_addr = 0; wl->fuse_nic_addr = 0; - wl->hw_pg_ver = wl->ops->get_pg_ver(wl); + ret = wl->ops->get_pg_ver(wl, &wl->hw_pg_ver); + if (ret < 0) + goto out; if (wl->ops->get_mac) - wl->ops->get_mac(wl); + ret = wl->ops->get_mac(wl); - wl1271_power_off(wl); out: + wl1271_power_off(wl); return ret; } @@ -4905,14 +5128,8 @@ static int wl1271_register_hw(struct wl1271 *wl) if (wl->mac80211_registered) return 0; - ret = wl12xx_get_hw_info(wl); - if (ret < 0) { - wl1271_error("couldn't get hw info"); - goto out; - } - - ret = wl1271_fetch_nvs(wl); - if (ret == 0) { + wl1271_fetch_nvs(wl); + if (wl->nvs != NULL) { /* NOTE: The wl->nvs->nvs element must be first, in * order to simplify the casting, we assume it is at * the beginning of the wl->nvs structure. @@ -4960,6 +5177,29 @@ static void wl1271_unregister_hw(struct wl1271 *wl) } +static const struct ieee80211_iface_limit wlcore_iface_limits[] = { + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_CLIENT), + }, +}; + +static const struct ieee80211_iface_combination +wlcore_iface_combinations[] = { + { + .num_different_channels = 1, + .max_interfaces = 2, + .limits = wlcore_iface_limits, + .n_limits = ARRAY_SIZE(wlcore_iface_limits), + }, +}; + static int wl1271_init_ieee80211(struct wl1271 *wl) { static const u32 cipher_suites[] = { @@ -4970,9 +5210,11 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) WL1271_CIPHER_SUITE_GEM, }; - /* The tx descriptor buffer and the TKIP space. */ - wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP + - sizeof(struct wl1271_tx_hw_descr); + /* The tx descriptor buffer */ + wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); + + if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) + wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; /* unit us */ /* FIXME: find a proper value */ @@ -5025,12 +5267,14 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) */ memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, sizeof(wl1271_band_2ghz)); - memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, &wl->ht_cap, - sizeof(wl->ht_cap)); + memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, + &wl->ht_cap[IEEE80211_BAND_2GHZ], + sizeof(*wl->ht_cap)); memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, sizeof(wl1271_band_5ghz)); - memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, &wl->ht_cap, - sizeof(wl->ht_cap)); + memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, + &wl->ht_cap[IEEE80211_BAND_5GHZ], + sizeof(*wl->ht_cap)); wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl->bands[IEEE80211_BAND_2GHZ]; @@ -5049,6 +5293,11 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; + /* allowed interface combinations */ + wl->hw->wiphy->iface_combinations = wlcore_iface_combinations; + wl->hw->wiphy->n_iface_combinations = + ARRAY_SIZE(wlcore_iface_combinations); + SET_IEEE80211_DEV(wl->hw, wl->dev); wl->hw->sta_data_size = sizeof(struct wl1271_station); @@ -5117,8 +5366,10 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) wl->rx_counter = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->band = IEEE80211_BAND_2GHZ; + wl->channel_type = NL80211_CHAN_NO_HT; wl->flags = 0; wl->sg_enabled = true; + wl->sleep_auth = WL1271_PSM_ILLEGAL; wl->hw_pg_ver = -1; wl->ap_ps_map = 0; wl->ap_fw_ps_map = 0; @@ -5142,6 +5393,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) wl->state = WL1271_STATE_OFF; wl->fw_type = WL12XX_FW_TYPE_NONE; mutex_init(&wl->mutex); + mutex_init(&wl->flush_mutex); order = get_order(WL1271_AGGR_BUFFER_SIZE); wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); @@ -5222,7 +5474,7 @@ int wlcore_free_hw(struct wl1271 *wl) kfree(wl->nvs); wl->nvs = NULL; - kfree(wl->fw_status); + kfree(wl->fw_status_1); kfree(wl->tx_res_if); destroy_workqueue(wl->freezable_wq); @@ -5279,8 +5531,6 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) wlcore_adjust_conf(wl); wl->irq = platform_get_irq(pdev, 0); - wl->ref_clock = pdata->board_ref_clock; - wl->tcxo_clock = pdata->board_tcxo_clock; wl->platform_quirks = pdata->platform_quirks; wl->set_power = pdata->set_power; wl->dev = &pdev->dev; @@ -5293,7 +5543,7 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) else irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT; - ret = request_threaded_irq(wl->irq, wl12xx_hardirq, wl1271_irq, + ret = request_threaded_irq(wl->irq, wl12xx_hardirq, wlcore_irq, irqflags, pdev->name, wl); if (ret < 0) { @@ -5301,6 +5551,7 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) goto out_free_hw; } +#ifdef CONFIG_PM ret = enable_irq_wake(wl->irq); if (!ret) { wl->irq_wake_enabled = true; @@ -5314,8 +5565,19 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) WL1271_RX_FILTER_MAX_PATTERN_SIZE; } } +#endif disable_irq(wl->irq); + ret = wl12xx_get_hw_info(wl); + if (ret < 0) { + wl1271_error("couldn't get hw info"); + goto out_irq; + } + + ret = wl->ops->identify_chip(wl); + if (ret < 0) + goto out_irq; + ret = wl1271_init_ieee80211(wl); if (ret) goto out_irq; @@ -5328,7 +5590,7 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) ret = device_create_file(wl->dev, &dev_attr_bt_coex_state); if (ret < 0) { wl1271_error("failed to create sysfs file bt_coex_state"); - goto out_irq; + goto out_unreg; } /* Create sysfs file to get HW PG version */ @@ -5353,6 +5615,9 @@ out_hw_pg_ver: out_bt_coex_state: device_remove_file(wl->dev, &dev_attr_bt_coex_state); +out_unreg: + wl1271_unregister_hw(wl); + out_irq: free_irq(wl->irq, wl); diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index 756eee2257b4..46d36fd30eba 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -28,11 +28,14 @@ #define WL1271_WAKEUP_TIMEOUT 500 +#define ELP_ENTRY_DELAY 5 + void wl1271_elp_work(struct work_struct *work) { struct delayed_work *dwork; struct wl1271 *wl; struct wl12xx_vif *wlvif; + int ret; dwork = container_of(work, struct delayed_work, work); wl = container_of(dwork, struct wl1271, elp_work); @@ -61,7 +64,12 @@ void wl1271_elp_work(struct work_struct *work) } wl1271_debug(DEBUG_PSM, "chip to elp"); - wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_SLEEP); + ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_SLEEP); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto out; + } + set_bit(WL1271_FLAG_IN_ELP, &wl->flags); out: @@ -72,8 +80,9 @@ out: void wl1271_ps_elp_sleep(struct wl1271 *wl) { struct wl12xx_vif *wlvif; + u32 timeout; - if (wl->quirks & WLCORE_QUIRK_NO_ELP) + if (wl->sleep_auth != WL1271_PSM_ELP) return; /* we shouldn't get consecutive sleep requests */ @@ -89,8 +98,13 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl) return; } + if (wl->conf.conn.forced_ps) + timeout = ELP_ENTRY_DELAY; + else + timeout = wl->conf.conn.dynamic_ps_timeout; + ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, - msecs_to_jiffies(wl->conf.conn.dynamic_ps_timeout)); + msecs_to_jiffies(timeout)); } int wl1271_ps_elp_wakeup(struct wl1271 *wl) @@ -127,7 +141,11 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl) wl->elp_compl = &compl; spin_unlock_irqrestore(&wl->wl_lock, flags); - wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); + ret = wlcore_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto err; + } if (!pending) { ret = wait_for_completion_timeout( @@ -185,8 +203,12 @@ int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, set_bit(WLVIF_FLAG_IN_PS, &wlvif->flags); - /* enable beacon early termination. Not relevant for 5GHz */ - if (wlvif->band == IEEE80211_BAND_2GHZ) { + /* + * enable beacon early termination. + * Not relevant for 5GHz and for high rates. + */ + if ((wlvif->band == IEEE80211_BAND_2GHZ) && + (wlvif->basic_rate < CONF_HW_BIT_RATE_9MBPS)) { ret = wl1271_acx_bet_enable(wl, wlvif, true); if (ret < 0) return ret; @@ -196,7 +218,8 @@ int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, wl1271_debug(DEBUG_PSM, "leaving psm"); /* disable beacon early termination */ - if (wlvif->band == IEEE80211_BAND_2GHZ) { + if ((wlvif->band == IEEE80211_BAND_2GHZ) && + (wlvif->basic_rate < CONF_HW_BIT_RATE_9MBPS)) { ret = wl1271_acx_bet_enable(wl, wlvif, false); if (ret < 0) return ret; diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index d6a3c6b07827..f55e2f9e7ac5 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -127,7 +127,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, } if (rx_align == WLCORE_RX_BUF_UNALIGNED) - reserved = NET_IP_ALIGN; + reserved = RX_BUF_ALIGN; /* the data read starts with the descriptor */ desc = (struct wl1271_rx_descriptor *) data; @@ -175,7 +175,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, */ memcpy(buf, data + sizeof(*desc), pkt_data_len); if (rx_align == WLCORE_RX_BUF_PADDED) - skb_pull(skb, NET_IP_ALIGN); + skb_pull(skb, RX_BUF_ALIGN); *hlid = desc->hlid; @@ -186,6 +186,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, is_data = 1; wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); + wlcore_hw_set_rx_csum(wl, desc, skb); seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d hlid %d", skb, @@ -199,17 +200,18 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, return is_data; } -void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) +int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status) { unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0}; u32 buf_size; - u32 fw_rx_counter = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK; - u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc; + u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc; u32 rx_counter; u32 pkt_len, align_pkt_len; u32 pkt_offset, des; u8 hlid; enum wl_rx_buf_align rx_align; + int ret = 0; while (drv_rx_counter != fw_rx_counter) { buf_size = 0; @@ -223,7 +225,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) break; buf_size += align_pkt_len; rx_counter++; - rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + rx_counter %= wl->num_rx_desc; } if (buf_size == 0) { @@ -233,9 +235,14 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) /* Read all available packets at once */ des = le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]); - wlcore_hw_prepare_read(wl, des, buf_size); - wlcore_read_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, - buf_size, true); + ret = wlcore_hw_prepare_read(wl, des, buf_size); + if (ret < 0) + goto out; + + ret = wlcore_read_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, + buf_size, true); + if (ret < 0) + goto out; /* Split data into separate packets */ pkt_offset = 0; @@ -263,7 +270,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) wl->rx_counter++; drv_rx_counter++; - drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + drv_rx_counter %= wl->num_rx_desc; pkt_offset += wlcore_rx_get_align_buf_size(wl, pkt_len); } } @@ -272,11 +279,17 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) * Write the driver's packet counter to the FW. This is only required * for older hardware revisions */ - if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) - wl1271_write32(wl, WL12XX_REG_RX_DRIVER_COUNTER, - wl->rx_counter); + if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) { + ret = wlcore_write32(wl, WL12XX_REG_RX_DRIVER_COUNTER, + wl->rx_counter); + if (ret < 0) + goto out; + } wl12xx_rearm_rx_streaming(wl, active_hlids); + +out: + return ret; } #ifdef CONFIG_PM @@ -305,14 +318,19 @@ int wl1271_rx_filter_enable(struct wl1271 *wl, return 0; } -void wl1271_rx_filter_clear_all(struct wl1271 *wl) +int wl1271_rx_filter_clear_all(struct wl1271 *wl) { - int i; + int i, ret = 0; for (i = 0; i < WL1271_MAX_RX_FILTERS; i++) { if (!wl->rx_filter_enabled[i]) continue; - wl1271_rx_filter_enable(wl, i, 0, NULL); + ret = wl1271_rx_filter_enable(wl, i, 0, NULL); + if (ret) + goto out; } + +out: + return ret; } #endif /* CONFIG_PM */ diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h index e9a162a864ca..71eba1899915 100644 --- a/drivers/net/wireless/ti/wlcore/rx.h +++ b/drivers/net/wireless/ti/wlcore/rx.h @@ -38,8 +38,6 @@ #define RX_DESC_PACKETID_SHIFT 11 #define RX_MAX_PACKET_ID 3 -#define NUM_RX_PKT_DESC_MOD_MASK 7 - #define RX_DESC_VALID_FCS 0x0001 #define RX_DESC_MATCH_RXADDR1 0x0002 #define RX_DESC_MCAST 0x0004 @@ -102,6 +100,15 @@ /* If set, the start of IP payload is not 4 bytes aligned */ #define RX_BUF_UNALIGNED_PAYLOAD BIT(20) +/* If set, the buffer was padded by the FW to be 4 bytes aligned */ +#define RX_BUF_PADDED_PAYLOAD BIT(30) + +/* + * Account for the padding inserted by the FW in case of RX_ALIGNMENT + * or for fixing alignment in case the packet wasn't aligned. + */ +#define RX_BUF_ALIGN 2 + /* Describes the alignment state of a Rx buffer */ enum wl_rx_buf_align { WLCORE_RX_BUF_ALIGNED, @@ -136,11 +143,11 @@ struct wl1271_rx_descriptor { u8 reserved; } __packed; -void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status); +int wlcore_rx(struct wl1271 *wl, struct wl_fw_status_1 *status); u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); int wl1271_rx_filter_enable(struct wl1271 *wl, int index, bool enable, struct wl12xx_rx_filter *filter); -void wl1271_rx_filter_clear_all(struct wl1271 *wl); +int wl1271_rx_filter_clear_all(struct wl1271 *wl); #endif diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index ade21a011c45..dbeca1bfbb2c 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -226,7 +226,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, cmd->params.role_id, band, wl->scan.ssid, wl->scan.ssid_len, wl->scan.req->ie, - wl->scan.req->ie_len); + wl->scan.req->ie_len, false); if (ret < 0) { wl1271_error("PROBE request template failed"); goto out; @@ -411,7 +411,8 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct conn_scan_ch_params *channels, u32 band, bool radar, bool passive, - int start, int max_channels) + int start, int max_channels, + u8 *n_pactive_ch) { struct conf_sched_scan_settings *c = &wl->conf.sched_scan; int i, j; @@ -479,6 +480,23 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, channels[j].tx_power_att = req->channels[i]->max_power; channels[j].channel = req->channels[i]->hw_value; + if ((band == IEEE80211_BAND_2GHZ) && + (channels[j].channel >= 12) && + (channels[j].channel <= 14) && + (flags & IEEE80211_CHAN_PASSIVE_SCAN) && + !force_passive) { + /* pactive channels treated as DFS */ + channels[j].flags = SCAN_CHANNEL_FLAGS_DFS; + + /* + * n_pactive_ch is counted down from the end of + * the passive channel list + */ + (*n_pactive_ch)++; + wl1271_debug(DEBUG_SCAN, "n_pactive_ch = %d", + *n_pactive_ch); + } + j++; } } @@ -491,38 +509,47 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct wl1271_cmd_sched_scan_config *cfg) { + u8 n_pactive_ch = 0; + cfg->passive[0] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, false, true, 0, - MAX_CHANNELS_2GHZ); + MAX_CHANNELS_2GHZ, + &n_pactive_ch); cfg->active[0] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, false, false, cfg->passive[0], - MAX_CHANNELS_2GHZ); + MAX_CHANNELS_2GHZ, + &n_pactive_ch); cfg->passive[1] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, false, true, 0, - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); cfg->dfs = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, true, true, cfg->passive[1], - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); cfg->active[1] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, false, false, cfg->passive[1] + cfg->dfs, - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); /* 802.11j channels are not supported yet */ cfg->passive[2] = 0; cfg->active[2] = 0; + cfg->n_pactive_ch = n_pactive_ch; + wl1271_debug(DEBUG_SCAN, " 2.4GHz: active %d passive %d", cfg->active[0], cfg->passive[0]); wl1271_debug(DEBUG_SCAN, " 5GHz: active %d passive %d", @@ -537,6 +564,7 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, /* Returns the scan type to be used or a negative value on error */ static int wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, + struct wl12xx_vif *wlvif, struct cfg80211_sched_scan_request *req) { struct wl1271_cmd_sched_scan_ssid_list *cmd = NULL; @@ -565,6 +593,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, goto out; } + cmd->role_id = wlvif->dev_role_id; if (!n_match_ssids) { /* No filter, with ssids */ type = SCAN_SSID_FILTER_DISABLED; @@ -603,7 +632,9 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, continue; for (j = 0; j < cmd->n_ssids; j++) - if (!memcmp(req->ssids[i].ssid, + if ((req->ssids[i].ssid_len == + cmd->ssids[j].len) && + !memcmp(req->ssids[i].ssid, cmd->ssids[j].ssid, req->ssids[i].ssid_len)) { cmd->ssids[j].type = @@ -652,6 +683,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, if (!cfg) return -ENOMEM; + cfg->role_id = wlvif->dev_role_id; cfg->rssi_threshold = c->rssi_threshold; cfg->snr_threshold = c->snr_threshold; cfg->n_probe_reqs = c->num_probe_reqs; @@ -669,7 +701,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, cfg->intervals[i] = cpu_to_le32(req->interval); cfg->ssid_len = 0; - ret = wl12xx_scan_sched_scan_ssid_list(wl, req); + ret = wl12xx_scan_sched_scan_ssid_list(wl, wlvif, req); if (ret < 0) goto out; @@ -690,7 +722,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, req->ssids[0].ssid, req->ssids[0].ssid_len, ies->ie[band], - ies->len[band]); + ies->len[band], true); if (ret < 0) { wl1271_error("2.4GHz PROBE request template failed"); goto out; @@ -704,7 +736,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, req->ssids[0].ssid, req->ssids[0].ssid_len, ies->ie[band], - ies->len[band]); + ies->len[band], true); if (ret < 0) { wl1271_error("5GHz PROBE request template failed"); goto out; @@ -734,13 +766,15 @@ int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (wlvif->bss_type != BSS_TYPE_STA_BSS) return -EOPNOTSUPP; - if (test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) + if ((wl->quirks & WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN) && + test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) return -EBUSY; start = kzalloc(sizeof(*start), GFP_KERNEL); if (!start) return -ENOMEM; + start->role_id = wlvif->dev_role_id; start->tag = WL1271_SCAN_DEFAULT_TAG; ret = wl1271_cmd_send(wl, CMD_START_PERIODIC_SCAN, start, @@ -762,7 +796,7 @@ void wl1271_scan_sched_scan_results(struct wl1271 *wl) ieee80211_sched_scan_results(wl->hw); } -void wl1271_scan_sched_scan_stop(struct wl1271 *wl) +void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl1271_cmd_sched_scan_stop *stop; int ret = 0; @@ -776,6 +810,7 @@ void wl1271_scan_sched_scan_stop(struct wl1271 *wl) return; } + stop->role_id = wlvif->dev_role_id; stop->tag = WL1271_SCAN_DEFAULT_TAG; ret = wl1271_cmd_send(wl, CMD_STOP_PERIODIC_SCAN, stop, diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h index 81ee36ac2078..29f3c8d6b046 100644 --- a/drivers/net/wireless/ti/wlcore/scan.h +++ b/drivers/net/wireless/ti/wlcore/scan.h @@ -40,7 +40,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct ieee80211_sched_scan_ies *ies); int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl1271_scan_sched_scan_stop(struct wl1271 *wl); +void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); void wl1271_scan_sched_scan_results(struct wl1271 *wl); #define WL1271_SCAN_MAX_CHANNELS 24 @@ -142,7 +142,8 @@ enum { SCAN_BSS_TYPE_ANY, }; -#define SCAN_CHANNEL_FLAGS_DFS BIT(0) +#define SCAN_CHANNEL_FLAGS_DFS BIT(0) /* channel is passive until an + activity is detected on it */ #define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1) struct conn_scan_ch_params { @@ -185,7 +186,10 @@ struct wl1271_cmd_sched_scan_config { u8 dfs; - u8 padding[3]; + u8 n_pactive_ch; /* number of pactive (passive until fw detects energy) + channels in BG band */ + u8 role_id; + u8 padding[1]; struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; @@ -212,21 +216,24 @@ struct wl1271_cmd_sched_scan_ssid_list { u8 n_ssids; struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS]; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; struct wl1271_cmd_sched_scan_start { struct wl1271_cmd_header header; u8 tag; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; struct wl1271_cmd_sched_scan_stop { struct wl1271_cmd_header header; u8 tag; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index 0a72347cfc4c..73ace4b2604e 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -25,6 +25,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/platform_device.h> +#include <linux/mmc/sdio.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/sdio_ids.h> #include <linux/mmc/card.h> @@ -32,6 +33,7 @@ #include <linux/gpio.h> #include <linux/wl12xx.h> #include <linux/pm_runtime.h> +#include <linux/printk.h> #include "wlcore.h" #include "wl12xx_80211.h" @@ -45,6 +47,8 @@ #define SDIO_DEVICE_ID_TI_WL1271 0x4076 #endif +static bool dump = false; + struct wl12xx_sdio_glue { struct device *dev; struct platform_device *core; @@ -67,8 +71,8 @@ static void wl1271_sdio_set_block_size(struct device *child, sdio_release_host(func); } -static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf, - size_t len, bool fixed) +static int __must_check wl12xx_sdio_raw_read(struct device *child, int addr, + void *buf, size_t len, bool fixed) { int ret; struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); @@ -76,6 +80,13 @@ static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf, sdio_claim_host(func); + if (unlikely(dump)) { + printk(KERN_DEBUG "wlcore_sdio: READ from 0x%04x\n", addr); + print_hex_dump(KERN_DEBUG, "wlcore_sdio: READ ", + DUMP_PREFIX_OFFSET, 16, 1, + buf, len, false); + } + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { ((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret); dev_dbg(child->parent, "sdio read 52 addr 0x%x, byte 0x%02x\n", @@ -92,12 +103,14 @@ static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf, sdio_release_host(func); - if (ret) + if (WARN_ON(ret)) dev_err(child->parent, "sdio read failed (%d)\n", ret); + + return ret; } -static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf, - size_t len, bool fixed) +static int __must_check wl12xx_sdio_raw_write(struct device *child, int addr, + void *buf, size_t len, bool fixed) { int ret; struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); @@ -105,6 +118,13 @@ static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf, sdio_claim_host(func); + if (unlikely(dump)) { + printk(KERN_DEBUG "wlcore_sdio: WRITE to 0x%04x\n", addr); + print_hex_dump(KERN_DEBUG, "wlcore_sdio: WRITE ", + DUMP_PREFIX_OFFSET, 16, 1, + buf, len, false); + } + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret); dev_dbg(child->parent, "sdio write 52 addr 0x%x, byte 0x%02x\n", @@ -121,25 +141,30 @@ static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf, sdio_release_host(func); - if (ret) + if (WARN_ON(ret)) dev_err(child->parent, "sdio write failed (%d)\n", ret); + + return ret; } static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue) { int ret; struct sdio_func *func = dev_to_sdio_func(glue->dev); + struct mmc_card *card = func->card; - /* If enabled, tell runtime PM not to power off the card */ - if (pm_runtime_enabled(&func->dev)) { - ret = pm_runtime_get_sync(&func->dev); - if (ret < 0) - goto out; - } else { - /* Runtime PM is disabled: power up the card manually */ - ret = mmc_power_restore_host(func->card->host); - if (ret < 0) + ret = pm_runtime_get_sync(&card->dev); + if (ret) { + /* + * Runtime PM might be temporarily disabled, or the device + * might have a positive reference counter. Make sure it is + * really powered on. + */ + ret = mmc_power_restore_host(card->host); + if (ret < 0) { + pm_runtime_put_sync(&card->dev); goto out; + } } sdio_claim_host(func); @@ -154,20 +179,21 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue) { int ret; struct sdio_func *func = dev_to_sdio_func(glue->dev); + struct mmc_card *card = func->card; sdio_claim_host(func); sdio_disable_func(func); sdio_release_host(func); - /* Power off the card manually, even if runtime PM is enabled. */ - ret = mmc_power_save_host(func->card->host); + /* Power off the card manually in case it wasn't powered off above */ + ret = mmc_power_save_host(card->host); if (ret < 0) - return ret; + goto out; - /* If enabled, let runtime PM know the card is powered off */ - if (pm_runtime_enabled(&func->dev)) - ret = pm_runtime_put_sync(&func->dev); + /* Let runtime PM know the card is powered off */ + pm_runtime_put_sync(&card->dev); +out: return ret; } @@ -196,6 +222,7 @@ static int __devinit wl1271_probe(struct sdio_func *func, struct resource res[1]; mmc_pm_flag_t mmcflags; int ret = -ENOMEM; + const char *chip_family; /* We are only able to handle the wlan function */ if (func->num != 0x02) @@ -236,7 +263,18 @@ static int __devinit wl1271_probe(struct sdio_func *func, /* Tell PM core that we don't need the card to be powered now */ pm_runtime_put_noidle(&func->dev); - glue->core = platform_device_alloc("wl12xx", -1); + /* + * Due to a hardware bug, we can't differentiate wl18xx from + * wl12xx, because both report the same device ID. The only + * way to differentiate is by checking the SDIO revision, + * which is 3.00 on the wl18xx chips. + */ + if (func->card->cccr.sdio_vsn == SDIO_SDIO_REV_3_00) + chip_family = "wl18xx"; + else + chip_family = "wl12xx"; + + glue->core = platform_device_alloc(chip_family, -1); if (!glue->core) { dev_err(glue->dev, "can't allocate platform_device"); ret = -ENOMEM; @@ -367,12 +405,9 @@ static void __exit wl1271_exit(void) module_init(wl1271_init); module_exit(wl1271_exit); +module_param(dump, bool, S_IRUSR | S_IWUSR); +MODULE_PARM_DESC(dump, "Enable sdio read/write dumps."); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.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); diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 553cd3cbb98c..8da4ed243ebc 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -193,8 +193,8 @@ static int wl12xx_spi_read_busy(struct device *child) return -ETIMEDOUT; } -static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf, - size_t len, bool fixed) +static int __must_check wl12xx_spi_raw_read(struct device *child, int addr, + void *buf, size_t len, bool fixed) { struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); struct wl1271 *wl = dev_get_drvdata(child); @@ -238,7 +238,7 @@ static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf, if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1) && wl12xx_spi_read_busy(child)) { memset(buf, 0, chunk_len); - return; + return 0; } spi_message_init(&m); @@ -256,10 +256,12 @@ static void wl12xx_spi_raw_read(struct device *child, int addr, void *buf, buf += chunk_len; len -= chunk_len; } + + return 0; } -static void wl12xx_spi_raw_write(struct device *child, int addr, void *buf, - size_t len, bool fixed) +static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, + void *buf, size_t len, bool fixed) { struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS]; @@ -304,6 +306,8 @@ static void wl12xx_spi_raw_write(struct device *child, int addr, void *buf, } spi_sync(to_spi_device(glue->dev), &m); + + return 0; } static struct wl1271_if_operations spi_ops = { @@ -431,10 +435,4 @@ module_exit(wl1271_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.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); MODULE_ALIAS("spi:wl1271"); diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c index 0e59ea2cdd39..49e5ee1525c9 100644 --- a/drivers/net/wireless/ti/wlcore/testmode.c +++ b/drivers/net/wireless/ti/wlcore/testmode.c @@ -40,7 +40,7 @@ enum wl1271_tm_commands { WL1271_TM_CMD_CONFIGURE, WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */ WL1271_TM_CMD_SET_PLT_MODE, - WL1271_TM_CMD_RECOVER, + WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */ WL1271_TM_CMD_GET_MAC, __WL1271_TM_CMD_AFTER_LAST @@ -108,6 +108,20 @@ static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) } if (answer) { + /* If we got bip calibration answer print radio status */ + struct wl1271_cmd_cal_p2g *params = + (struct wl1271_cmd_cal_p2g *) buf; + + s16 radio_status = (s16) le16_to_cpu(params->radio_status); + + if (params->test.id == TEST_CMD_P2G_CAL && + radio_status < 0) + wl1271_warning("testmode cmd: radio status=%d", + radio_status); + else + wl1271_info("testmode cmd: radio status=%d", + radio_status); + len = nla_total_size(buf_len); skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); if (!skb) { @@ -115,8 +129,12 @@ static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) goto out_sleep; } - if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) - goto nla_put_failure; + if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) { + kfree_skb(skb); + ret = -EMSGSIZE; + goto out_sleep; + } + ret = cfg80211_testmode_reply(skb); if (ret < 0) goto out_sleep; @@ -128,11 +146,6 @@ out: mutex_unlock(&wl->mutex); return ret; - -nla_put_failure: - kfree_skb(skb); - ret = -EMSGSIZE; - goto out_sleep; } static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) @@ -178,8 +191,12 @@ static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) goto out_free; } - if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) - goto nla_put_failure; + if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) { + kfree_skb(skb); + ret = -EMSGSIZE; + goto out_free; + } + ret = cfg80211_testmode_reply(skb); if (ret < 0) goto out_free; @@ -192,11 +209,6 @@ out: mutex_unlock(&wl->mutex); return ret; - -nla_put_failure: - kfree_skb(skb); - ret = -EMSGSIZE; - goto out_free; } static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) @@ -231,6 +243,43 @@ static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) return 0; } +static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[]) +{ + /* return FEM type */ + int ret, len; + struct sk_buff *skb; + + ret = wl1271_plt_start(wl, PLT_FEM_DETECT); + if (ret < 0) + goto out; + + mutex_lock(&wl->mutex); + + len = nla_total_size(sizeof(wl->fem_manuf)); + skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); + if (!skb) { + ret = -ENOMEM; + goto out_mutex; + } + + if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf), + &wl->fem_manuf)) { + kfree_skb(skb); + ret = -EMSGSIZE; + goto out_mutex; + } + + ret = cfg80211_testmode_reply(skb); + +out_mutex: + mutex_unlock(&wl->mutex); + + /* We always stop plt after DETECT mode */ + wl1271_plt_stop(wl); +out: + return ret; +} + static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) { u32 val; @@ -244,11 +293,14 @@ static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); switch (val) { - case 0: + case PLT_OFF: ret = wl1271_plt_stop(wl); break; - case 1: - ret = wl1271_plt_start(wl); + case PLT_ON: + ret = wl1271_plt_start(wl, PLT_ON); + break; + case PLT_FEM_DETECT: + ret = wl1271_tm_detect_fem(wl, tb); break; default: ret = -EINVAL; @@ -258,15 +310,6 @@ static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) return ret; } -static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[]) -{ - wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover"); - - wl12xx_queue_recovery_work(wl); - - return 0; -} - static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) { struct sk_buff *skb; @@ -298,8 +341,12 @@ static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) goto out; } - if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) - goto nla_put_failure; + if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) { + kfree_skb(skb); + ret = -EMSGSIZE; + goto out; + } + ret = cfg80211_testmode_reply(skb); if (ret < 0) goto out; @@ -307,11 +354,6 @@ static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) out: mutex_unlock(&wl->mutex); return ret; - -nla_put_failure: - kfree_skb(skb); - ret = -EMSGSIZE; - goto out; } int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len) @@ -336,8 +378,6 @@ int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len) return wl1271_tm_cmd_configure(wl, tb); case WL1271_TM_CMD_SET_PLT_MODE: return wl1271_tm_cmd_set_plt_mode(wl, tb); - case WL1271_TM_CMD_RECOVER: - return wl1271_tm_cmd_recover(wl, tb); case WL1271_TM_CMD_GET_MAC: return wl12xx_tm_cmd_get_mac(wl, tb); default: diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 6893bc207994..f0081f746482 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -72,7 +72,7 @@ static int wl1271_alloc_tx_id(struct wl1271 *wl, struct sk_buff *skb) return id; } -static void wl1271_free_tx_id(struct wl1271 *wl, int id) +void wl1271_free_tx_id(struct wl1271 *wl, int id) { if (__test_and_clear_bit(id, wl->tx_frames_map)) { if (unlikely(wl->tx_frames_cnt == wl->num_tx_desc)) @@ -82,6 +82,7 @@ static void wl1271_free_tx_id(struct wl1271 *wl, int id) wl->tx_frames_cnt--; } } +EXPORT_SYMBOL(wl1271_free_tx_id); static void wl1271_tx_ap_update_inconnection_sta(struct wl1271 *wl, struct sk_buff *skb) @@ -127,6 +128,7 @@ bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb) { return wl->dummy_packet == skb; } +EXPORT_SYMBOL(wl12xx_is_dummy_packet); u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb) @@ -146,10 +148,10 @@ u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, return wl->system_hlid; hdr = (struct ieee80211_hdr *)skb->data; - if (ieee80211_is_mgmt(hdr->frame_control)) - return wlvif->ap.global_hlid; - else + if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) return wlvif->ap.bcast_hlid; + else + return wlvif->ap.global_hlid; } } @@ -176,37 +178,34 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif, unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length) { - if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) - return ALIGN(packet_length, WL12XX_BUS_BLOCK_SIZE); - else + if ((wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) || + !(wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN)) return ALIGN(packet_length, WL1271_TX_ALIGN_TO); + else + return ALIGN(packet_length, WL12XX_BUS_BLOCK_SIZE); } EXPORT_SYMBOL(wlcore_calc_packet_alignment); static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb, u32 extra, u32 buf_offset, - u8 hlid) + u8 hlid, bool is_gem) { struct wl1271_tx_hw_descr *desc; u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; u32 total_blocks; int id, ret = -EBUSY, ac; - u32 spare_blocks = wl->normal_tx_spare; - bool is_dummy = false; + u32 spare_blocks; if (buf_offset + total_len > WL1271_AGGR_BUFFER_SIZE) return -EAGAIN; + spare_blocks = wlcore_hw_get_spare_blocks(wl, is_gem); + /* allocate free identifier for the packet */ id = wl1271_alloc_tx_id(wl, skb); if (id < 0) return id; - if (unlikely(wl12xx_is_dummy_packet(wl, skb))) - is_dummy = true; - else if (wlvif->is_gem) - spare_blocks = wl->gem_tx_spare; - total_blocks = wlcore_hw_calc_tx_blocks(wl, total_len, spare_blocks); if (total_blocks <= wl->tx_blocks_available) { @@ -228,7 +227,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); wl->tx_allocated_pkts[ac]++; - if (!is_dummy && wlvif && + if (!wl12xx_is_dummy_packet(wl, skb) && wlvif && wlvif->bss_type == BSS_TYPE_AP_BSS && test_bit(hlid, wlvif->ap.sta_hlid_map)) wl->links[hlid].allocated_pkts++; @@ -268,6 +267,7 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (extra) { int hdrlen = ieee80211_hdrlen(frame_control); memmove(frame_start, hdr, hdrlen); + skb_set_network_header(skb, skb_network_offset(skb) + extra); } /* configure packet life time */ @@ -305,19 +305,25 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (is_dummy || !wlvif) rate_idx = 0; else if (wlvif->bss_type != BSS_TYPE_AP_BSS) { - /* if the packets are destined for AP (have a STA entry) - send them with AP rate policies, otherwise use default - basic rates */ - if (control->flags & IEEE80211_TX_CTL_NO_CCK_RATE) + /* + * if the packets are data packets + * send them with AP rate policies (EAPOLs are an exception), + * otherwise use default basic rates + */ + if (skb->protocol == cpu_to_be16(ETH_P_PAE)) + rate_idx = wlvif->sta.basic_rate_idx; + else if (control->flags & IEEE80211_TX_CTL_NO_CCK_RATE) rate_idx = wlvif->sta.p2p_rate_idx; - else if (control->control.sta) + else if (ieee80211_is_data(frame_control)) rate_idx = wlvif->sta.ap_rate_idx; else rate_idx = wlvif->sta.basic_rate_idx; } else { if (hlid == wlvif->ap.global_hlid) rate_idx = wlvif->ap.mgmt_rate_idx; - else if (hlid == wlvif->ap.bcast_hlid) + else if (hlid == wlvif->ap.bcast_hlid || + skb->protocol == cpu_to_be16(ETH_P_PAE)) + /* send AP bcast and EAPOLs using the min basic rate */ rate_idx = wlvif->ap.bcast_rate_idx; else rate_idx = wlvif->ap.ucast_rate_idx[ac]; @@ -330,9 +336,9 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, ieee80211_has_protected(frame_control)) tx_attr |= TX_HW_ATTR_HOST_ENCRYPT; - desc->reserved = 0; desc->tx_attr = cpu_to_le16(tx_attr); + wlcore_hw_set_tx_desc_csum(wl, desc, skb); wlcore_hw_set_tx_desc_data_len(wl, desc, skb); } @@ -346,16 +352,20 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, u32 total_len; u8 hlid; bool is_dummy; + bool is_gem = false; - if (!skb) + if (!skb) { + wl1271_error("discarding null skb"); return -EINVAL; + } info = IEEE80211_SKB_CB(skb); /* TODO: handle dummy packets on multi-vifs */ is_dummy = wl12xx_is_dummy_packet(wl, skb); - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) extra = WL1271_EXTRA_SPACE_TKIP; @@ -373,6 +383,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, return ret; wlvif->default_key = idx; } + + is_gem = (cipher == WL1271_CIPHER_SUITE_GEM); } hlid = wl12xx_tx_get_hlid(wl, wlvif, skb); if (hlid == WL12XX_INVALID_LINK_ID) { @@ -380,7 +392,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, return -EINVAL; } - ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid); + ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid, + is_gem); if (ret < 0) return ret; @@ -425,10 +438,10 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, rate_set >>= 1; } - /* MCS rates indication are on bits 16 - 23 */ + /* MCS rates indication are on bits 16 - 31 */ rate_set >>= HW_HT_RATES_OFFSET - band->n_bitrates; - for (bit = 0; bit < 8; bit++) { + for (bit = 0; bit < 16; bit++) { if (rate_set & 0x1) enabled_rates |= (CONF_HW_BIT_RATE_MCS_0 << bit); rate_set >>= 1; @@ -439,18 +452,15 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, void wl1271_handle_tx_low_watermark(struct wl1271 *wl) { - unsigned long flags; int i; for (i = 0; i < NUM_TX_QUEUES; i++) { - if (test_bit(i, &wl->stopped_queues_map) && + if (wlcore_is_queue_stopped_by_reason(wl, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK) && wl->tx_queue_count[i] <= WL1271_TX_QUEUE_LOW_WATERMARK) { /* firmware buffer has space, restart queues */ - spin_lock_irqsave(&wl->wl_lock, flags); - ieee80211_wake_queue(wl->hw, - wl1271_tx_get_mac80211_queue(i)); - clear_bit(i, &wl->stopped_queues_map); - spin_unlock_irqrestore(&wl->wl_lock, flags); + wlcore_wake_queue(wl, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK); } } } @@ -656,18 +666,29 @@ void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids) } } -void wl1271_tx_work_locked(struct wl1271 *wl) +/* + * Returns failure values only in case of failed bus ops within this function. + * wl1271_prepare_tx_frame retvals won't be returned in order to avoid + * triggering recovery by higher layers when not necessary. + * In case a FW command fails within wl1271_prepare_tx_frame fails a recovery + * will be queued in wl1271_cmd_send. -EAGAIN/-EBUSY from prepare_tx_frame + * can occur and are legitimate so don't propagate. -EINVAL will emit a WARNING + * within prepare_tx_frame code but there's nothing we should do about those + * as well. + */ +int wlcore_tx_work_locked(struct wl1271 *wl) { struct wl12xx_vif *wlvif; struct sk_buff *skb; struct wl1271_tx_hw_descr *desc; - u32 buf_offset = 0; + u32 buf_offset = 0, last_len = 0; bool sent_packets = false; unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0}; - int ret; + int ret = 0; + int bus_ret = 0; if (unlikely(wl->state == WL1271_STATE_OFF)) - return; + return 0; while ((skb = wl1271_skb_dequeue(wl))) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -685,8 +706,14 @@ void wl1271_tx_work_locked(struct wl1271 *wl) * Flush buffer and try again. */ wl1271_skb_queue_head(wl, wlvif, skb); - wlcore_write_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, - buf_offset, true); + + buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset, + last_len); + bus_ret = wlcore_write_data(wl, REG_SLV_MEM_DATA, + wl->aggr_buf, buf_offset, true); + if (bus_ret < 0) + goto out; + sent_packets = true; buf_offset = 0; continue; @@ -710,7 +737,8 @@ void wl1271_tx_work_locked(struct wl1271 *wl) ieee80211_free_txskb(wl->hw, skb); goto out_ack; } - buf_offset += ret; + last_len = ret; + buf_offset += last_len; wl->tx_packets_count++; if (has_data) { desc = (struct wl1271_tx_hw_descr *) skb->data; @@ -720,8 +748,12 @@ void wl1271_tx_work_locked(struct wl1271 *wl) out_ack: if (buf_offset) { - wlcore_write_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, - buf_offset, true); + buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset, last_len); + bus_ret = wlcore_write_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, + buf_offset, true); + if (bus_ret < 0) + goto out; + sent_packets = true; } if (sent_packets) { @@ -729,13 +761,19 @@ out_ack: * Interrupt the firmware with the new packets. This is only * required for older hardware revisions */ - if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) - wl1271_write32(wl, WL12XX_HOST_WR_ACCESS, - wl->tx_packets_count); + if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) { + bus_ret = wlcore_write32(wl, WL12XX_HOST_WR_ACCESS, + wl->tx_packets_count); + if (bus_ret < 0) + goto out; + } wl1271_handle_tx_low_watermark(wl); } wl12xx_rearm_rx_streaming(wl, active_hlids); + +out: + return bus_ret; } void wl1271_tx_work(struct work_struct *work) @@ -748,7 +786,11 @@ void wl1271_tx_work(struct work_struct *work) if (ret < 0) goto out; - wl1271_tx_work_locked(wl); + ret = wlcore_tx_work_locked(wl); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto out; + } wl1271_ps_elp_sleep(wl); out: @@ -849,7 +891,8 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); /* remove TKIP header space if present */ - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, @@ -869,22 +912,27 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, } /* Called upon reception of a TX complete interrupt */ -void wl1271_tx_complete(struct wl1271 *wl) +int wlcore_tx_complete(struct wl1271 *wl) { - struct wl1271_acx_mem_map *memmap = - (struct wl1271_acx_mem_map *)wl->target_mem_map; + struct wl1271_acx_mem_map *memmap = wl->target_mem_map; u32 count, fw_counter; u32 i; + int ret; /* read the tx results from the chipset */ - wl1271_read(wl, le32_to_cpu(memmap->tx_result), - wl->tx_res_if, sizeof(*wl->tx_res_if), false); + ret = wlcore_read(wl, le32_to_cpu(memmap->tx_result), + wl->tx_res_if, sizeof(*wl->tx_res_if), false); + if (ret < 0) + goto out; + fw_counter = le32_to_cpu(wl->tx_res_if->tx_result_fw_counter); /* write host counter to chipset (to ack) */ - wl1271_write32(wl, le32_to_cpu(memmap->tx_result) + - offsetof(struct wl1271_tx_hw_res_if, - tx_result_host_counter), fw_counter); + ret = wlcore_write32(wl, le32_to_cpu(memmap->tx_result) + + offsetof(struct wl1271_tx_hw_res_if, + tx_result_host_counter), fw_counter); + if (ret < 0) + goto out; count = fw_counter - wl->tx_results_count; wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count); @@ -904,8 +952,11 @@ void wl1271_tx_complete(struct wl1271 *wl) wl->tx_results_count++; } + +out: + return ret; } -EXPORT_SYMBOL(wl1271_tx_complete); +EXPORT_SYMBOL(wlcore_tx_complete); void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) { @@ -958,7 +1009,7 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif) } /* caller must hold wl->mutex and TX must be stopped */ -void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) +void wl12xx_tx_reset(struct wl1271 *wl) { int i; struct sk_buff *skb; @@ -973,15 +1024,12 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) wl->tx_queue_count[i] = 0; } - wl->stopped_queues_map = 0; - /* * Make sure the driver is at a consistent state, in case this * function is called from a context other than interface removal. * This call will always wake the TX queues. */ - if (reset_tx_queues) - wl1271_handle_tx_low_watermark(wl); + wl1271_handle_tx_low_watermark(wl); for (i = 0; i < wl->num_tx_desc; i++) { if (wl->tx_frames[i] == NULL) @@ -998,7 +1046,8 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) */ info = IEEE80211_SKB_CB(skb); skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); @@ -1024,6 +1073,11 @@ void wl1271_tx_flush(struct wl1271 *wl) int i; timeout = jiffies + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT); + /* only one flush should be in progress, for consistent queue state */ + mutex_lock(&wl->flush_mutex); + + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FLUSH); + while (!time_after(jiffies, timeout)) { mutex_lock(&wl->mutex); wl1271_debug(DEBUG_TX, "flushing tx buffer: %d %d", @@ -1032,7 +1086,7 @@ void wl1271_tx_flush(struct wl1271 *wl) if ((wl->tx_frames_cnt == 0) && (wl1271_tx_total_queue_count(wl) == 0)) { mutex_unlock(&wl->mutex); - return; + goto out; } mutex_unlock(&wl->mutex); msleep(1); @@ -1045,7 +1099,12 @@ void wl1271_tx_flush(struct wl1271 *wl) for (i = 0; i < WL12XX_MAX_LINKS; i++) wl1271_tx_reset_link_queues(wl, i); mutex_unlock(&wl->mutex); + +out: + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FLUSH); + mutex_unlock(&wl->flush_mutex); } +EXPORT_SYMBOL_GPL(wl1271_tx_flush); u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) { @@ -1054,3 +1113,96 @@ u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) return BIT(__ffs(rate_set)); } + +void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + bool stopped = !!wl->queue_stop_reasons[queue]; + + /* queue should not be stopped for this reason */ + WARN_ON(test_and_set_bit(reason, &wl->queue_stop_reasons[queue])); + + if (stopped) + return; + + ieee80211_stop_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); +} + +void wlcore_stop_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + wlcore_stop_queue_locked(wl, queue, reason); + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +void wlcore_wake_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + + /* queue should not be clear for this reason */ + WARN_ON(!test_and_clear_bit(reason, &wl->queue_stop_reasons[queue])); + + if (wl->queue_stop_reasons[queue]) + goto out; + + ieee80211_wake_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); + +out: + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +void wlcore_stop_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason) +{ + int i; + + for (i = 0; i < NUM_TX_QUEUES; i++) + wlcore_stop_queue(wl, i, reason); +} +EXPORT_SYMBOL_GPL(wlcore_stop_queues); + +void wlcore_wake_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason) +{ + int i; + + for (i = 0; i < NUM_TX_QUEUES; i++) + wlcore_wake_queue(wl, i, reason); +} +EXPORT_SYMBOL_GPL(wlcore_wake_queues); + +void wlcore_reset_stopped_queues(struct wl1271 *wl) +{ + int i; + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + + for (i = 0; i < NUM_TX_QUEUES; i++) { + if (!wl->queue_stop_reasons[i]) + continue; + + wl->queue_stop_reasons[i] = 0; + ieee80211_wake_queue(wl->hw, + wl1271_tx_get_mac80211_queue(i)); + } + + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + return test_bit(reason, &wl->queue_stop_reasons[queue]); +} + +bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue) +{ + return !!wl->queue_stop_reasons[queue]; +} diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 2fd6e5dc6f75..1e939b016155 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -85,6 +85,19 @@ struct wl128x_tx_mem { u8 extra_bytes; } __packed; +struct wl18xx_tx_mem { + /* + * Total number of memory blocks allocated by the host for + * this packet. + */ + u8 total_mem_blocks; + + /* + * control bits + */ + u8 ctrl; +} __packed; + /* * On wl128x based devices, when TX packets are aggregated, each packet * size must be aligned to the SDIO block size. The maximum block size @@ -100,6 +113,7 @@ struct wl1271_tx_hw_descr { union { struct wl127x_tx_mem wl127x_mem; struct wl128x_tx_mem wl128x_mem; + struct wl18xx_tx_mem wl18xx_mem; } __packed; /* Device time (in us) when the packet arrived to the driver */ __le32 start_time; @@ -116,7 +130,16 @@ struct wl1271_tx_hw_descr { u8 tid; /* host link ID (HLID) */ u8 hlid; - u8 reserved; + + union { + u8 wl12xx_reserved; + + /* + * bit 0 -> 0 = udp, 1 = tcp + * bit 1:7 -> IP header offset + */ + u8 wl18xx_checksum_data; + } __packed; } __packed; enum wl1271_tx_hw_res_status { @@ -161,6 +184,13 @@ struct wl1271_tx_hw_res_if { struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN]; } __packed; +enum wlcore_queue_stop_reason { + WLCORE_QUEUE_STOP_REASON_WATERMARK, + WLCORE_QUEUE_STOP_REASON_FW_RESTART, + WLCORE_QUEUE_STOP_REASON_FLUSH, + WLCORE_QUEUE_STOP_REASON_SPARE_BLK, /* 18xx specific */ +}; + static inline int wl1271_tx_get_queue(int queue) { switch (queue) { @@ -204,10 +234,10 @@ static inline int wl1271_tx_total_queue_count(struct wl1271 *wl) } void wl1271_tx_work(struct work_struct *work); -void wl1271_tx_work_locked(struct wl1271 *wl); -void wl1271_tx_complete(struct wl1271 *wl); +int wlcore_tx_work_locked(struct wl1271 *wl); +int wlcore_tx_complete(struct wl1271 *wl); void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues); +void wl12xx_tx_reset(struct wl1271 *wl); void wl1271_tx_flush(struct wl1271 *wl); u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, @@ -223,6 +253,21 @@ bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb); void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids); unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length); +void wl1271_free_tx_id(struct wl1271 *wl, int id); +void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_stop_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_wake_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_stop_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason); +void wlcore_wake_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason); +void wlcore_reset_stopped_queues(struct wl1271 *wl); +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue); /* from main.c */ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 0b3f0b586f4b..0ce7a8ebbd46 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -24,8 +24,9 @@ #include <linux/platform_device.h> -#include "wl12xx.h" +#include "wlcore_i.h" #include "event.h" +#include "boot.h" /* The maximum number of Tx descriptors in all chip families */ #define WLCORE_MAX_TX_DESCRIPTORS 32 @@ -33,14 +34,16 @@ /* forward declaration */ struct wl1271_tx_hw_descr; enum wl_rx_buf_align; +struct wl1271_rx_descriptor; struct wlcore_ops { int (*identify_chip)(struct wl1271 *wl); int (*identify_fw)(struct wl1271 *wl); int (*boot)(struct wl1271 *wl); - void (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr, - void *buf, size_t len); - void (*ack_event)(struct wl1271 *wl); + int (*plt_init)(struct wl1271 *wl); + int (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr, + void *buf, size_t len); + int (*ack_event)(struct wl1271 *wl); u32 (*calc_tx_blocks)(struct wl1271 *wl, u32 len, u32 spare_blks); void (*set_tx_desc_blocks)(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, @@ -50,17 +53,34 @@ struct wlcore_ops { struct sk_buff *skb); enum wl_rx_buf_align (*get_rx_buf_align)(struct wl1271 *wl, u32 rx_desc); - void (*prepare_read)(struct wl1271 *wl, u32 rx_desc, u32 len); + int (*prepare_read)(struct wl1271 *wl, u32 rx_desc, u32 len); u32 (*get_rx_packet_len)(struct wl1271 *wl, void *rx_data, u32 data_len); - void (*tx_delayed_compl)(struct wl1271 *wl); + int (*tx_delayed_compl)(struct wl1271 *wl); void (*tx_immediate_compl)(struct wl1271 *wl); int (*hw_init)(struct wl1271 *wl); int (*init_vif)(struct wl1271 *wl, struct wl12xx_vif *wlvif); u32 (*sta_get_ap_rate_mask)(struct wl1271 *wl, struct wl12xx_vif *wlvif); - s8 (*get_pg_ver)(struct wl1271 *wl); - void (*get_mac)(struct wl1271 *wl); + int (*get_pg_ver)(struct wl1271 *wl, s8 *ver); + int (*get_mac)(struct wl1271 *wl); + void (*set_tx_desc_csum)(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb); + void (*set_rx_csum)(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct sk_buff *skb); + u32 (*ap_get_mimo_wide_rate_mask)(struct wl1271 *wl, + struct wl12xx_vif *wlvif); + int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir); + int (*handle_static_data)(struct wl1271 *wl, + struct wl1271_static_data *static_data); + int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem); + int (*set_key)(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf); + u32 (*pre_pkt_send)(struct wl1271 *wl, u32 buf_offset, u32 last_len); }; enum wlcore_partitions { @@ -109,6 +129,15 @@ enum wlcore_registers { REG_TABLE_LEN, }; +struct wl1271_stats { + void *fw_stats; + unsigned long fw_stats_update; + size_t fw_stats_len; + + unsigned int retry_count; + unsigned int excessive_retries; +}; + struct wl1271 { struct ieee80211_hw *hw; bool mac80211_registered; @@ -121,13 +150,14 @@ struct wl1271 { void (*set_power)(bool enable); int irq; - int ref_clock; spinlock_t wl_lock; enum wl1271_state state; enum wl12xx_fw_type fw_type; bool plt; + enum plt_mode plt_mode; + u8 fem_manuf; u8 last_vif_count; struct mutex mutex; @@ -186,7 +216,7 @@ struct wl1271 { /* Frames scheduled for transmission, not handled yet */ int tx_queue_count[NUM_TX_QUEUES]; - long stopped_queues_map; + unsigned long queue_stop_reasons[NUM_TX_QUEUES]; /* Frames received, not handled yet by mac80211 */ struct sk_buff_head deferred_rx_queue; @@ -205,9 +235,6 @@ struct wl1271 { /* FW Rx counter */ u32 rx_counter; - /* Rx memory pool address */ - struct wl1271_rx_mem_pool_addr rx_mem_pool_addr; - /* Intermediate buffer, used for packet aggregation */ u8 *aggr_buf; @@ -228,6 +255,7 @@ struct wl1271 { /* Hardware recovery work */ struct work_struct recovery_work; + bool watchdog_recovery; /* Pointer that holds DMA-friendly block for the mailbox */ struct event_mailbox *mbox; @@ -263,7 +291,8 @@ struct wl1271 { u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; - struct wl_fw_status *fw_status; + struct wl_fw_status_1 *fw_status_1; + struct wl_fw_status_2 *fw_status_2; struct wl1271_tx_hw_res_if *tx_res_if; /* Current chipset configuration */ @@ -277,9 +306,7 @@ struct wl1271 { s8 noise; /* bands supported by this instance of wl12xx */ - struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; - - int tcxo_clock; + struct ieee80211_supported_band bands[WLCORE_NUM_BANDS]; /* * wowlan trigger was configured during suspend. @@ -333,10 +360,8 @@ struct wl1271 { /* number of TX descriptors the HW supports. */ u32 num_tx_desc; - - /* spare Tx blocks for normal/GEM operating modes */ - u32 normal_tx_spare; - u32 gem_tx_spare; + /* number of RX descriptors the HW supports. */ + u32 num_rx_desc; /* translate HW Tx rates to standard rate-indices */ const u8 **band_rate_to_idx; @@ -348,19 +373,57 @@ struct wl1271 { u8 hw_min_ht_rate; /* HW HT (11n) capabilities */ - struct ieee80211_sta_ht_cap ht_cap; + struct ieee80211_sta_ht_cap ht_cap[WLCORE_NUM_BANDS]; /* size of the private FW status data */ size_t fw_status_priv_len; /* RX Data filter rule state - enabled/disabled */ bool rx_filter_enabled[WL1271_MAX_RX_FILTERS]; + + /* size of the private static data */ + size_t static_data_priv_len; + + /* the current channel type */ + enum nl80211_channel_type channel_type; + + /* mutex for protecting the tx_flush function */ + struct mutex flush_mutex; + + /* sleep auth value currently configured to FW */ + int sleep_auth; + + /* the minimum FW version required for the driver to work */ + unsigned int min_fw_ver[NUM_FW_VER]; }; int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); int __devexit wlcore_remove(struct platform_device *pdev); struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size); int wlcore_free_hw(struct wl1271 *wl); +int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf); + +static inline void +wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band, + struct ieee80211_sta_ht_cap *ht_cap) +{ + memcpy(&wl->ht_cap[band], ht_cap, sizeof(*ht_cap)); +} + +static inline void +wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, + unsigned int iftype, unsigned int major, + unsigned int subtype, unsigned int minor) +{ + wl->min_fw_ver[FW_VER_CHIP] = chip; + wl->min_fw_ver[FW_VER_IF_TYPE] = iftype; + wl->min_fw_ver[FW_VER_MAJOR] = major; + wl->min_fw_ver[FW_VER_SUBTYPE] = subtype; + wl->min_fw_ver[FW_VER_MINOR] = minor; +} /* Firmware image load chunk size */ #define CHUNK_SIZE 16384 @@ -385,6 +448,18 @@ int wlcore_free_hw(struct wl1271 *wl); /* Some firmwares may not support ELP */ #define WLCORE_QUIRK_NO_ELP BIT(6) +/* pad only the last frame in the aggregate buffer */ +#define WLCORE_QUIRK_TX_PAD_LAST_FRAME BIT(7) + +/* extra header space is required for TKIP */ +#define WLCORE_QUIRK_TKIP_HEADER_SPACE BIT(8) + +/* Some firmwares not support sched scans while connected */ +#define WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN BIT(9) + +/* separate probe response templates for one-shot and sched scans */ +#define WLCORE_QUIRK_DUAL_PROBE_TMPL BIT(10) + /* TODO: move to the lower drivers when all usages are abstracted */ #define CHIP_ID_1271_PG10 (0x4030101) #define CHIP_ID_1271_PG20 (0x4030111) diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index f12bdf745180..c0505635bb00 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -22,8 +22,8 @@ * */ -#ifndef __WL12XX_H__ -#define __WL12XX_H__ +#ifndef __WLCORE_I_H__ +#define __WLCORE_I_H__ #include <linux/mutex.h> #include <linux/completion.h> @@ -35,15 +35,6 @@ #include "conf.h" #include "ini.h" -#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 WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin" -#define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin" - -#define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin" -#define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin" - /* * wl127x and wl128x are using the same NVS file name. However, the * ini parameters between them are different. The driver validates @@ -71,6 +62,9 @@ #define WL12XX_INVALID_ROLE_ID 0xff #define WL12XX_INVALID_LINK_ID 0xff +/* the driver supports the 2.4Ghz and 5Ghz bands */ +#define WLCORE_NUM_BANDS 2 + #define WL12XX_MAX_RATE_POLICIES 16 /* Defined by FW as 0. Will not be freed or allocated. */ @@ -89,7 +83,7 @@ #define WL1271_AP_BSS_INDEX 0 #define WL1271_AP_DEF_BEACON_EXP 20 -#define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) +#define WL1271_AGGR_BUFFER_SIZE (5 * PAGE_SIZE) enum wl1271_state { WL1271_STATE_OFF, @@ -132,16 +126,7 @@ struct wl1271_chip { unsigned int fw_ver[NUM_FW_VER]; }; -struct wl1271_stats { - struct acx_statistics *fw_stats; - unsigned long fw_stats_update; - - unsigned int retry_count; - unsigned int excessive_retries; -}; - #define NUM_TX_QUEUES 4 -#define NUM_RX_PKT_DESC 8 #define AP_MAX_STATIONS 8 @@ -159,13 +144,26 @@ struct wl_fw_packet_counters { } __packed; /* FW status registers */ -struct wl_fw_status { +struct wl_fw_status_1 { __le32 intr; u8 fw_rx_counter; u8 drv_rx_counter; u8 reserved; u8 tx_results_counter; - __le32 rx_pkt_descs[NUM_RX_PKT_DESC]; + __le32 rx_pkt_descs[0]; +} __packed; + +/* + * Each HW arch has a different number of Rx descriptors. + * The length of the status depends on it, since it holds an array + * of descriptors. + */ +#define WLCORE_FW_STATUS_1_LEN(num_rx_desc) \ + (sizeof(struct wl_fw_status_1) + \ + (sizeof(((struct wl_fw_status_1 *)0)->rx_pkt_descs[0])) * \ + num_rx_desc) + +struct wl_fw_status_2 { __le32 fw_localtime; /* @@ -194,11 +192,6 @@ struct wl_fw_status { u8 priv[0]; } __packed; -struct wl1271_rx_mem_pool_addr { - u32 addr; - u32 addr_extra; -}; - #define WL1271_MAX_CHANNELS 64 struct wl1271_scan { struct cfg80211_scan_request *req; @@ -210,10 +203,10 @@ struct wl1271_scan { }; struct wl1271_if_operations { - void (*read)(struct device *child, int addr, void *buf, size_t len, - bool fixed); - void (*write)(struct device *child, int addr, void *buf, size_t len, - bool fixed); + int __must_check (*read)(struct device *child, int addr, void *buf, + size_t len, bool fixed); + int __must_check (*write)(struct device *child, int addr, void *buf, + size_t len, bool fixed); void (*reset)(struct device *child); void (*init)(struct device *child); int (*power)(struct device *child, bool enable); @@ -248,6 +241,7 @@ enum wl12xx_flags { WL1271_FLAG_RECOVERY_IN_PROGRESS, WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, WL1271_FLAG_INTENDED_FW_RECOVERY, + WL1271_FLAG_IO_FAILED, }; enum wl12xx_vif_flags { @@ -299,6 +293,12 @@ enum rx_filter_action { FILTER_FW_HANDLE = 2 }; +enum plt_mode { + PLT_OFF = 0, + PLT_ON = 1, + PLT_FEM_DETECT = 2, +}; + struct wl12xx_rx_filter_field { __le16 offset; u8 len; @@ -367,8 +367,9 @@ struct wl12xx_vif { /* The current band */ enum ieee80211_band band; int channel; + enum nl80211_channel_type channel_type; - u32 bitrate_masks[IEEE80211_NUM_BANDS]; + u32 bitrate_masks[WLCORE_NUM_BANDS]; u32 basic_rate_set; /* @@ -417,9 +418,6 @@ struct wl12xx_vif { struct work_struct rx_streaming_disable_work; struct timer_list rx_streaming_timer; - /* does the current role use GEM for encryption (AP or STA) */ - bool is_gem; - /* * This struct must be last! * data that has to be saved acrossed reconfigs (e.g. recovery) @@ -467,7 +465,7 @@ struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif) #define wl12xx_for_each_wlvif_ap(wl, wlvif) \ wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS) -int wl1271_plt_start(struct wl1271 *wl); +int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode); int wl1271_plt_stop(struct wl1271 *wl); int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif); void wl12xx_queue_recovery_work(struct wl1271 *wl); @@ -501,7 +499,8 @@ void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, /* Macros to handle wl1271.sta_rate_set */ #define HW_BG_RATES_MASK 0xffff #define HW_HT_RATES_OFFSET 16 +#define HW_MIMO_RATES_OFFSET 24 #define WL12XX_HW_BLOCK_SIZE 256 -#endif +#endif /* __WLCORE_I_H__ */ |