/* * 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 __WLCORE_H__ #define __WLCORE_H__ #include #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 /* * We always allocate this number of mac addresses. If we don't * have enough allocated addresses, the LAA bit is used */ #define WLCORE_NUM_MAC_ADDRESSES 3 /* forward declaration */ struct wl1271_tx_hw_descr; enum wl_rx_buf_align; struct wl1271_rx_descriptor; struct wlcore_ops { int (*setup)(struct wl1271 *wl); int (*identify_chip)(struct wl1271 *wl); int (*identify_fw)(struct wl1271 *wl); int (*boot)(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, u32 blks, u32 spare_blks); void (*set_tx_desc_data_len)(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, struct sk_buff *skb); enum wl_rx_buf_align (*get_rx_buf_align)(struct wl1271 *wl, u32 rx_desc); 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); 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); 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 { PART_DOWN, PART_WORK, PART_BOOT, PART_DRPW, PART_TOP_PRCM_ELP_SOC, PART_PHY_INIT, PART_TABLE_LEN, }; struct wlcore_partition { u32 size; u32 start; }; struct wlcore_partition_set { struct wlcore_partition mem; struct wlcore_partition reg; struct wlcore_partition mem2; struct wlcore_partition mem3; }; enum wlcore_registers { /* register addresses, used with partition translation */ REG_ECPU_CONTROL, REG_INTERRUPT_NO_CLEAR, REG_INTERRUPT_ACK, REG_COMMAND_MAILBOX_PTR, REG_EVENT_MAILBOX_PTR, REG_INTERRUPT_TRIG, REG_INTERRUPT_MASK, REG_PC_ON_RECOVERY, REG_CHIP_ID_B, REG_CMD_MBOX_ADDRESS, /* data access memory addresses, used with partition translation */ REG_SLV_MEM_DATA, REG_SLV_REG_DATA, /* raw data access memory addresses */ REG_RAW_FW_STATUS_ADDR, 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 { bool initialized; struct ieee80211_hw *hw; bool mac80211_registered; struct device *dev; struct platform_device *pdev; void *if_priv; struct wl1271_if_operations *if_ops; void (*set_power)(bool enable); int irq; spinlock_t wl_lock; enum wlcore_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; unsigned long flags; struct wlcore_partition_set curr_part; struct wl1271_chip chip; int cmd_box_addr; u8 *fw; size_t fw_len; void *nvs; size_t nvs_len; s8 hw_pg_ver; /* address read from the fuse ROM */ u32 fuse_oui_addr; u32 fuse_nic_addr; /* we have up to 2 MAC addresses */ struct mac_address addresses[WLCORE_NUM_MAC_ADDRESSES]; int channel; u8 system_hlid; unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)]; unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)]; unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)]; unsigned long rate_policies_map[ BITS_TO_LONGS(WL12XX_MAX_RATE_POLICIES)]; unsigned long klv_templates_map[ BITS_TO_LONGS(WLCORE_MAX_KLV_TEMPLATES)]; struct list_head wlvif_list; u8 sta_count; u8 ap_count; struct wl1271_acx_mem_map *target_mem_map; /* Accounting for allocated / available TX blocks on HW */ u32 tx_blocks_freed; u32 tx_blocks_available; u32 tx_allocated_blocks; u32 tx_results_count; /* Accounting for allocated / available Tx packets in HW */ u32 tx_pkts_freed[NUM_TX_QUEUES]; u32 tx_allocated_pkts[NUM_TX_QUEUES]; /* Transmitted TX packets counter for chipset interface */ u32 tx_packets_count; /* Time-offset between host and chipset clocks */ s64 time_offset; /* Frames scheduled for transmission, not handled yet */ int tx_queue_count[NUM_TX_QUEUES]; unsigned long queue_stop_reasons[NUM_TX_QUEUES]; /* Frames received, not handled yet by mac80211 */ struct sk_buff_head deferred_rx_queue; /* Frames sent, not returned yet to mac80211 */ struct sk_buff_head deferred_tx_queue; struct work_struct tx_work; struct workqueue_struct *freezable_wq; /* Pending TX frames */ unsigned long tx_frames_map[BITS_TO_LONGS(WLCORE_MAX_TX_DESCRIPTORS)]; struct sk_buff *tx_frames[WLCORE_MAX_TX_DESCRIPTORS]; int tx_frames_cnt; /* FW Rx counter */ u32 rx_counter; /* Intermediate buffer, used for packet aggregation */ u8 *aggr_buf; u32 aggr_buf_size; /* Reusable dummy packet template */ struct sk_buff *dummy_packet; /* Network stack work */ struct work_struct netstack_work; /* FW log buffer */ u8 *fwlog; /* Number of valid bytes in the FW log buffer */ ssize_t fwlog_size; /* Sysfs FW log entry readers wait queue */ wait_queue_head_t fwlog_waitq; /* Hardware recovery work */ struct work_struct recovery_work; bool watchdog_recovery; /* Pointer that holds DMA-friendly block for the mailbox */ struct event_mailbox *mbox; /* The mbox event mask */ u32 event_mask; /* Mailbox pointers */ u32 mbox_ptr[2]; /* Are we currently scanning */ struct ieee80211_vif *scan_vif; struct wl1271_scan scan; struct delayed_work scan_complete_work; /* Connection loss work */ struct delayed_work connection_loss_work; bool sched_scanning; /* The current band */ enum ieee80211_band band; struct completion *elp_compl; struct delayed_work elp_work; /* in dBm */ int power_level; struct wl1271_stats stats; __le32 buffer_32; u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; 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 */ struct wlcore_conf conf; bool sg_enabled; bool enable_11a; /* Most recently reported noise in dBm */ s8 noise; /* bands supported by this instance of wl12xx */ struct ieee80211_supported_band bands[WLCORE_NUM_BANDS]; /* * wowlan trigger was configured during suspend. * (currently, only "ANY" trigger is supported) */ bool wow_enabled; bool irq_wake_enabled; /* * AP-mode - links indexed by HLID. The global and broadcast links * are always active. */ struct wl1271_link links[WL12XX_MAX_LINKS]; /* AP-mode - a bitmap of links currently in PS mode according to FW */ u32 ap_fw_ps_map; /* AP-mode - a bitmap of links currently in PS mode in mac80211 */ unsigned long ap_ps_map; /* Quirks of specific hardware revisions */ unsigned int quirks; /* Platform limitations */ unsigned int platform_quirks; /* number of currently active RX BA sessions */ int ba_rx_session_count; /* AP-mode - number of currently connected stations */ int active_sta_count; /* last wlvif we transmitted from */ struct wl12xx_vif *last_wlvif; /* work to fire when Tx is stuck */ struct delayed_work tx_watchdog_work; struct wlcore_ops *ops; /* pointer to the lower driver partition table */ const struct wlcore_partition_set *ptable; /* pointer to the lower driver register table */ const int *rtable; /* name of the firmwares to load - for PLT, single role, multi-role */ const char *plt_fw_name; const char *sr_fw_name; const char *mr_fw_name; /* per-chip-family private structure */ void *priv; /* number of TX descriptors the HW supports. */ u32 num_tx_desc; /* 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; /* size of table for HW rates that can be received from chip */ u8 hw_tx_rate_tbl_size; /* this HW rate and below are considered HT rates for this chip */ u8 hw_min_ht_rate; /* HW HT (11n) capabilities */ 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 number of allocated MAC addresses in this chip */ int num_mac_addr; /* the minimum FW version required for the driver to work */ unsigned int min_fw_ver[NUM_FW_VER]; struct completion nvs_loading_complete; }; int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); int wlcore_remove(struct platform_device *pdev); struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_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 /* Quirks */ /* Each RX/TX transaction requires an end-of-transaction transfer */ #define WLCORE_QUIRK_END_OF_TRANSACTION BIT(0) /* wl127x and SPI don't support SDIO block size alignment */ #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN BIT(2) /* means aggregated Rx packets are aligned to a SDIO block */ #define WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN BIT(3) /* Older firmwares did not implement the FW logger over bus feature */ #define WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED BIT(4) /* Older firmwares use an old NVS format */ #define WLCORE_QUIRK_LEGACY_NVS BIT(5) /* 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) #define CHIP_ID_1283_PG10 (0x05030101) #define CHIP_ID_1283_PG20 (0x05030111) /* TODO: move all these common registers and values elsewhere */ #define HW_ACCESS_ELP_CTRL_REG 0x1FFFC /* ELP register commands */ #define ELPCTRL_WAKE_UP 0x1 #define ELPCTRL_WAKE_UP_WLAN_READY 0x5 #define ELPCTRL_SLEEP 0x0 /* ELP WLAN_READY bit */ #define ELPCTRL_WLAN_READY 0x2 /************************************************************************* Interrupt Trigger Register (Host -> WiLink) **************************************************************************/ /* Hardware to Embedded CPU Interrupts - first 32-bit register set */ /* * The host sets this bit to inform the Wlan * FW that a TX packet is in the XFER * Buffer #0. */ #define INTR_TRIG_TX_PROC0 BIT(2) /* * The host sets this bit to inform the FW * that it read a packet from RX XFER * Buffer #0. */ #define INTR_TRIG_RX_PROC0 BIT(3) #define INTR_TRIG_DEBUG_ACK BIT(4) #define INTR_TRIG_STATE_CHANGED BIT(5) /* Hardware to Embedded CPU Interrupts - second 32-bit register set */ /* * The host sets this bit to inform the FW * that it read a packet from RX XFER * Buffer #1. */ #define INTR_TRIG_RX_PROC1 BIT(17) /* * The host sets this bit to inform the Wlan * hardware that a TX packet is in the XFER * Buffer #1. */ #define INTR_TRIG_TX_PROC1 BIT(18) #define ACX_SLV_SOFT_RESET_BIT BIT(1) #define SOFT_RESET_MAX_TIME 1000000 #define SOFT_RESET_STALL_TIME 1000 #define ECPU_CONTROL_HALT 0x00000101 #define WELP_ARM_COMMAND_VAL 0x4 #endif /* __WLCORE_H__ */