/* * This file is part of wl1251 * * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008-2009 Nokia Corporation * * Contact: Kalle Valo * * 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 __WL1251_H__ #define __WL1251_H__ #include #include #include #include #define DRIVER_NAME "wl1251" #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_NETLINK = 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 wl1251_error(fmt, arg...) \ printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) #define wl1251_warning(fmt, arg...) \ printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) #define wl1251_notice(fmt, arg...) \ printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) #define wl1251_info(fmt, arg...) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg) #define wl1251_debug(level, fmt, arg...) \ do { \ if (level & DEBUG_LEVEL) \ printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ } while (0) #define wl1251_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 wl1251_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 WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ CFG_BSSID_FILTER_EN) #define WL1251_DEFAULT_RX_FILTER (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 WL1251_BUSY_WORD_LEN 8 struct boot_attr { u32 radio_type; u8 mac_clock; u8 arm_clock; int firmware_debug; u32 minor; u32 major; u32 bugfix; }; enum wl1251_state { WL1251_STATE_OFF, WL1251_STATE_ON, WL1251_STATE_PLT, }; enum wl1251_partition_type { PART_DOWN, PART_WORK, PART_DRPW, PART_TABLE_LEN }; struct wl1251_partition { u32 size; u32 start; }; struct wl1251_partition_set { struct wl1251_partition mem; struct wl1251_partition reg; }; struct wl1251; /* FIXME: I'm not sure about this structure name */ struct wl1251_chip { u32 id; const char *fw_filename; const char *nvs_filename; char fw_ver[21]; unsigned int power_on_sleep; int intr_cmd_complete; int intr_init_complete; int (*op_upload_fw)(struct wl1251 *wl); int (*op_upload_nvs)(struct wl1251 *wl); int (*op_boot)(struct wl1251 *wl); void (*op_set_ecpu_ctrl)(struct wl1251 *wl, u32 flag); void (*op_target_enable_interrupts)(struct wl1251 *wl); int (*op_hw_init)(struct wl1251 *wl); int (*op_plt_init)(struct wl1251 *wl); void (*op_tx_flush)(struct wl1251 *wl); void (*op_fw_version)(struct wl1251 *wl); int (*op_cmd_join)(struct wl1251 *wl, u8 bss_type, u8 dtim_interval, u16 beacon_interval, u8 wait); struct wl1251_partition_set *p_table; enum wl12xx_acx_int_reg *acx_reg_table; }; struct wl1251_stats { struct acx_statistics *fw_stats; unsigned long fw_stats_update; unsigned int retry_count; unsigned int excessive_retries; }; struct wl1251_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 wl1251_if_operations { void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len); void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len); void (*reset)(struct wl1251 *wl); }; struct wl1251 { struct ieee80211_hw *hw; bool mac80211_registered; struct spi_device *spi; struct wl1251_if_operations *if_ops; void (*set_power)(bool enable); int irq; enum wl1251_state state; struct mutex mutex; int physical_mem_addr; int physical_reg_addr; int virtual_mem_addr; int virtual_reg_addr; struct wl1251_chip chip; int cmd_box_addr; int event_box_addr; struct boot_attr boot_attr; u8 *fw; size_t fw_len; u8 *nvs; size_t nvs_len; u8 bssid[ETH_ALEN]; u8 mac_addr[ETH_ALEN]; u8 bss_type; u8 listen_int; int channel; void *target_mem_map; struct acx_data_path_params_resp *data_path; /* Number of TX packets transferred to the FW, modulo 16 */ u32 data_in_count; /* Frames scheduled for transmission, not handled yet */ struct sk_buff_head tx_queue; bool tx_queue_stopped; struct work_struct tx_work; struct work_struct filter_work; /* Pending TX frames */ struct sk_buff *tx_frames[16]; /* * Index pointing to the next TX complete entry * in the cyclic XT complete array we get from * the FW. */ u32 next_tx_complete; /* FW Rx counter */ u32 rx_counter; /* Rx frames handled */ u32 rx_handled; /* Current double buffer */ u32 rx_current_buffer; u32 rx_last_id; /* The target interrupt mask */ u32 intr_mask; struct work_struct irq_work; /* The mbox event mask */ u32 event_mask; /* Mailbox pointers */ u32 mbox_ptr[2]; /* Are we currently scanning */ bool scanning; /* Our association ID */ u16 aid; /* Default key (for WEP) */ u32 default_key; unsigned int tx_mgmt_frm_rate; unsigned int tx_mgmt_frm_mod; unsigned int rx_config; unsigned int rx_filter; /* is firmware in elp mode */ bool elp; /* we can be in psm, but not in elp, we have to differentiate */ bool psm; /* PSM mode requested */ bool psm_requested; /* in dBm */ int power_level; struct wl1251_stats stats; struct wl1251_debugfs debugfs; u32 buffer_32; u32 buffer_cmd; u8 buffer_busyword[WL1251_BUSY_WORD_LEN]; struct wl1251_rx_descriptor *rx_descriptor; }; int wl1251_plt_start(struct wl1251 *wl); int wl1251_plt_stop(struct wl1251 *wl); #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */ #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ #define WL1251_DEFAULT_POWER_LEVEL 20 #define WL1251_TX_QUEUE_MAX_LENGTH 20 /* Different chips need different sleep times after power on. WL1271 needs * 200ms, WL1251 needs only 10ms. By default we use 200ms, but as soon as we * know the chip ID, we change the sleep value in the wl1251 chip structure, * so in subsequent power ons, we don't waste more time then needed. */ #define WL1251_DEFAULT_POWER_ON_SLEEP 200 #define CHIP_ID_1251_PG10 (0x7010101) #define CHIP_ID_1251_PG11 (0x7020101) #define CHIP_ID_1251_PG12 (0x7030101) #define CHIP_ID_1271_PG10 (0x4030101) #define CHIP_ID_1271_PG20 (0x4030111) #endif