/* * This file is part of wl1271 * * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. * Copyright (C) 2008-2009 Nokia Corporation * * Contact: Luciano Coelho * * 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 __WL1271_H__ #define __WL1271_H__ #include #include #include #include #include #include #include "wl1271_conf.h" #define DRIVER_NAME "wl1271" #define DRIVER_PREFIX DRIVER_NAME ": " enum { DEBUG_NONE = 0, DEBUG_IRQ = BIT(0), DEBUG_SPI = BIT(1), DEBUG_BOOT = BIT(2), DEBUG_MAILBOX = BIT(3), DEBUG_TESTMODE = BIT(4), DEBUG_EVENT = BIT(5), DEBUG_TX = BIT(6), DEBUG_RX = BIT(7), DEBUG_SCAN = BIT(8), DEBUG_CRYPT = BIT(9), DEBUG_PSM = BIT(10), DEBUG_MAC80211 = BIT(11), DEBUG_CMD = BIT(12), DEBUG_ACX = BIT(13), DEBUG_ALL = ~0, }; #define DEBUG_LEVEL (DEBUG_NONE) #define DEBUG_DUMP_LIMIT 1024 #define wl1271_error(fmt, arg...) \ printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) #define wl1271_warning(fmt, arg...) \ printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) #define wl1271_notice(fmt, arg...) \ printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) #define wl1271_info(fmt, arg...) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg) #define wl1271_debug(level, fmt, arg...) \ do { \ if (level & DEBUG_LEVEL) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ } while (0) #define wl1271_dump(level, prefix, buf, len) \ do { \ if (level & DEBUG_LEVEL) \ print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ DUMP_PREFIX_OFFSET, 16, 1, \ buf, \ min_t(size_t, len, DEBUG_DUMP_LIMIT), \ 0); \ } while (0) #define wl1271_dump_ascii(level, prefix, buf, len) \ do { \ if (level & DEBUG_LEVEL) \ print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ DUMP_PREFIX_OFFSET, 16, 1, \ buf, \ min_t(size_t, len, DEBUG_DUMP_LIMIT), \ true); \ } while (0) #define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ CFG_BSSID_FILTER_EN | \ CFG_MC_FILTER_EN) #define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN | \ CFG_RX_MGMT_EN | CFG_RX_DATA_EN | \ CFG_RX_CTL_EN | CFG_RX_BCN_EN | \ CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN) #define WL1271_FW_NAME "wl1271-fw.bin" #define WL1271_NVS_NAME "wl1271-nvs.bin" #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) /* NVS data structure */ #define WL1271_NVS_SECTION_SIZE 468 #define WL1271_NVS_GENERAL_PARAMS_SIZE 57 #define WL1271_NVS_GENERAL_PARAMS_SIZE_PADDED \ (WL1271_NVS_GENERAL_PARAMS_SIZE + 1) #define WL1271_NVS_STAT_RADIO_PARAMS_SIZE 17 #define WL1271_NVS_STAT_RADIO_PARAMS_SIZE_PADDED \ (WL1271_NVS_STAT_RADIO_PARAMS_SIZE + 1) #define WL1271_NVS_DYN_RADIO_PARAMS_SIZE 65 #define WL1271_NVS_DYN_RADIO_PARAMS_SIZE_PADDED \ (WL1271_NVS_DYN_RADIO_PARAMS_SIZE + 1) #define WL1271_NVS_FEM_COUNT 2 #define WL1271_NVS_INI_SPARE_SIZE 124 struct wl1271_nvs_file { /* NVS section */ u8 nvs[WL1271_NVS_SECTION_SIZE]; /* INI section */ u8 general_params[WL1271_NVS_GENERAL_PARAMS_SIZE_PADDED]; u8 stat_radio_params[WL1271_NVS_STAT_RADIO_PARAMS_SIZE_PADDED]; u8 dyn_radio_params[WL1271_NVS_FEM_COUNT] [WL1271_NVS_DYN_RADIO_PARAMS_SIZE_PADDED]; u8 ini_spare[WL1271_NVS_INI_SPARE_SIZE]; } __attribute__ ((packed)); /* * Enable/disable 802.11a support for WL1273 */ #undef WL1271_80211A_ENABLED /* * FIXME: for the wl1271, a busy word count of 1 here will result in a more * optimal SPI interface. There is some SPI bug however, causing RXS time outs * with this mode occasionally on boot, so lets have three for now. A value of * three should make sure, that the chipset will always be ready, though this * will impact throughput and latencies slightly. */ #define WL1271_BUSY_WORD_CNT 3 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32)) #define WL1271_ELP_HW_STATE_ASLEEP 0 #define WL1271_ELP_HW_STATE_IRQ 1 #define WL1271_DEFAULT_BEACON_INT 100 #define WL1271_DEFAULT_DTIM_PERIOD 1 #define ACX_TX_DESCRIPTORS 32 enum wl1271_state { WL1271_STATE_OFF, WL1271_STATE_ON, WL1271_STATE_PLT, }; enum wl1271_partition_type { PART_DOWN, PART_WORK, PART_DRPW, PART_TABLE_LEN }; struct wl1271_partition { u32 size; u32 start; }; struct wl1271_partition_set { struct wl1271_partition mem; struct wl1271_partition reg; struct wl1271_partition mem2; struct wl1271_partition mem3; }; struct wl1271; /* FIXME: I'm not sure about this structure name */ struct wl1271_chip { u32 id; char fw_ver[21]; }; struct wl1271_stats { struct acx_statistics *fw_stats; unsigned long fw_stats_update; unsigned int retry_count; unsigned int excessive_retries; }; struct wl1271_debugfs { struct dentry *rootdir; struct dentry *fw_statistics; struct dentry *tx_internal_desc_overflow; struct dentry *rx_out_of_mem; struct dentry *rx_hdr_overflow; struct dentry *rx_hw_stuck; struct dentry *rx_dropped; struct dentry *rx_fcs_err; struct dentry *rx_xfr_hint_trig; struct dentry *rx_path_reset; struct dentry *rx_reset_counter; struct dentry *dma_rx_requested; struct dentry *dma_rx_errors; struct dentry *dma_tx_requested; struct dentry *dma_tx_errors; struct dentry *isr_cmd_cmplt; struct dentry *isr_fiqs; struct dentry *isr_rx_headers; struct dentry *isr_rx_mem_overflow; struct dentry *isr_rx_rdys; struct dentry *isr_irqs; struct dentry *isr_tx_procs; struct dentry *isr_decrypt_done; struct dentry *isr_dma0_done; struct dentry *isr_dma1_done; struct dentry *isr_tx_exch_complete; struct dentry *isr_commands; struct dentry *isr_rx_procs; struct dentry *isr_hw_pm_mode_changes; struct dentry *isr_host_acknowledges; struct dentry *isr_pci_pm; struct dentry *isr_wakeups; struct dentry *isr_low_rssi; struct dentry *wep_addr_key_count; struct dentry *wep_default_key_count; /* skipping wep.reserved */ struct dentry *wep_key_not_found; struct dentry *wep_decrypt_fail; struct dentry *wep_packets; struct dentry *wep_interrupt; struct dentry *pwr_ps_enter; struct dentry *pwr_elp_enter; struct dentry *pwr_missing_bcns; struct dentry *pwr_wake_on_host; struct dentry *pwr_wake_on_timer_exp; struct dentry *pwr_tx_with_ps; struct dentry *pwr_tx_without_ps; struct dentry *pwr_rcvd_beacons; struct dentry *pwr_power_save_off; struct dentry *pwr_enable_ps; struct dentry *pwr_disable_ps; struct dentry *pwr_fix_tsf_ps; /* skipping cont_miss_bcns_spread for now */ struct dentry *pwr_rcvd_awake_beacons; struct dentry *mic_rx_pkts; struct dentry *mic_calc_failure; struct dentry *aes_encrypt_fail; struct dentry *aes_decrypt_fail; struct dentry *aes_encrypt_packets; struct dentry *aes_decrypt_packets; struct dentry *aes_encrypt_interrupt; struct dentry *aes_decrypt_interrupt; struct dentry *event_heart_beat; struct dentry *event_calibration; struct dentry *event_rx_mismatch; struct dentry *event_rx_mem_empty; struct dentry *event_rx_pool; struct dentry *event_oom_late; struct dentry *event_phy_transmit_error; struct dentry *event_tx_stuck; struct dentry *ps_pspoll_timeouts; struct dentry *ps_upsd_timeouts; struct dentry *ps_upsd_max_sptime; struct dentry *ps_upsd_max_apturn; struct dentry *ps_pspoll_max_apturn; struct dentry *ps_pspoll_utilization; struct dentry *ps_upsd_utilization; struct dentry *rxpipe_rx_prep_beacon_drop; struct dentry *rxpipe_descr_host_int_trig_rx_data; struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data; struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data; struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data; struct dentry *tx_queue_len; struct dentry *retry_count; struct dentry *excessive_retries; struct dentry *gpio_power; }; #define NUM_TX_QUEUES 4 #define NUM_RX_PKT_DESC 8 /* FW status registers */ struct wl1271_fw_status { __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 tx_released_blks[NUM_TX_QUEUES]; __le32 fw_localtime; __le32 padding[2]; } __attribute__ ((packed)); struct wl1271_rx_mem_pool_addr { u32 addr; u32 addr_extra; }; struct wl1271_scan { u8 state; u8 ssid[IW_ESSID_MAX_SIZE+1]; size_t ssid_len; u8 active; u8 high_prio; u8 probe_requests; }; struct wl1271_if_operations { void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len, bool fixed); void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len, bool fixed); void (*reset)(struct wl1271 *wl); void (*init)(struct wl1271 *wl); struct device* (*dev)(struct wl1271 *wl); void (*enable_irq)(struct wl1271 *wl); void (*disable_irq)(struct wl1271 *wl); }; struct wl1271 { struct ieee80211_hw *hw; bool mac80211_registered; void *if_priv; struct wl1271_if_operations *if_ops; void (*set_power)(bool enable); int irq; spinlock_t wl_lock; enum wl1271_state state; struct mutex mutex; #define WL1271_FLAG_STA_RATES_CHANGED (0) #define WL1271_FLAG_STA_ASSOCIATED (1) #define WL1271_FLAG_JOINED (2) #define WL1271_FLAG_GPIO_POWER (3) #define WL1271_FLAG_TX_QUEUE_STOPPED (4) #define WL1271_FLAG_SCANNING (5) #define WL1271_FLAG_IN_ELP (6) #define WL1271_FLAG_PSM (7) #define WL1271_FLAG_PSM_REQUESTED (8) #define WL1271_FLAG_IRQ_PENDING (9) #define WL1271_FLAG_IRQ_RUNNING (10) unsigned long flags; struct wl1271_partition_set part; struct wl1271_chip chip; int cmd_box_addr; int event_box_addr; u8 *fw; size_t fw_len; struct wl1271_nvs_file *nvs; u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; u8 ssid[IW_ESSID_MAX_SIZE + 1]; u8 ssid_len; int channel; struct wl1271_acx_mem_map *target_mem_map; /* Accounting for allocated / available TX blocks on HW */ u32 tx_blocks_freed[NUM_TX_QUEUES]; u32 tx_blocks_available; u32 tx_results_count; /* Transmitted TX packets counter for chipset interface */ u32 tx_packets_count; /* Time-offset between host and chipset clocks */ s64 time_offset; /* Session counter for the chipset */ int session_counter; /* Frames scheduled for transmission, not handled yet */ struct sk_buff_head tx_queue; struct work_struct tx_work; /* Pending TX frames */ struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS]; /* Security sequence number counters */ u8 tx_security_last_seq; s64 tx_security_seq; /* FW Rx counter */ u32 rx_counter; /* Rx memory pool address */ struct wl1271_rx_mem_pool_addr rx_mem_pool_addr; /* The target interrupt mask */ struct work_struct irq_work; /* The mbox event mask */ u32 event_mask; /* Mailbox pointers */ u32 mbox_ptr[2]; /* Are we currently scanning */ struct wl1271_scan scan; /* Our association ID */ u16 aid; /* currently configured rate set */ u32 sta_rate_set; u32 basic_rate_set; u32 rate_set; /* The current band */ enum ieee80211_band band; /* Default key (for WEP) */ u32 default_key; unsigned int rx_config; unsigned int rx_filter; struct completion *elp_compl; struct delayed_work elp_work; /* retry counter for PSM entries */ u8 psm_entry_retry; /* in dBm */ int power_level; struct wl1271_stats stats; struct wl1271_debugfs debugfs; u32 buffer_32; u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; struct wl1271_fw_status *fw_status; struct wl1271_tx_hw_res_if *tx_res_if; struct ieee80211_vif *vif; /* Current chipset configuration */ struct conf_drv_settings conf; struct list_head list; }; int wl1271_plt_start(struct wl1271 *wl); int wl1271_plt_stop(struct wl1271 *wl); #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ #define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */ #define WL1271_DEFAULT_POWER_LEVEL 0 #define WL1271_TX_QUEUE_LOW_WATERMARK 10 #define WL1271_TX_QUEUE_HIGH_WATERMARK 25 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power on in case is has been shut down shortly before */ #define WL1271_PRE_POWER_ON_SLEEP 20 /* in miliseconds */ #define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */ static inline bool wl1271_11a_enabled(void) { /* FIXME: this could be determined based on the NVS-INI file */ #ifdef WL1271_80211A_ENABLED return true; #else return false; #endif } #endif