279 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Shared defines for all mac80211 Prism54 code4 *5 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>6 *7 * Based on the islsm (softmac prism54) driver, which is:8 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.9 */10 11#ifndef P54_H12#define P54_H13 14#ifdef CONFIG_P54_LEDS15#include <linux/leds.h>16#endif /* CONFIG_P54_LEDS */17 18#define ISL38XX_DEV_FIRMWARE_ADDR 0x2000019 20#define BR_CODE_MIN 0x8000000021#define BR_CODE_COMPONENT_ID 0x8000000122#define BR_CODE_COMPONENT_VERSION 0x8000000223#define BR_CODE_DEPENDENT_IF 0x8000000324#define BR_CODE_EXPOSED_IF 0x8000000425#define BR_CODE_DESCR 0x8000010126#define BR_CODE_MAX 0x8FFFFFFF27#define BR_CODE_END_OF_BRA 0xFF0000FF28#define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF29 30struct bootrec {31 __le32 code;32 __le32 len;33 u32 data[10];34} __packed;35 36/* Interface role definitions */37#define BR_INTERFACE_ROLE_SERVER 0x000038#define BR_INTERFACE_ROLE_CLIENT 0x800039 40#define BR_DESC_PRIV_CAP_WEP BIT(0)41#define BR_DESC_PRIV_CAP_TKIP BIT(1)42#define BR_DESC_PRIV_CAP_MICHAEL BIT(2)43#define BR_DESC_PRIV_CAP_CCX_CP BIT(3)44#define BR_DESC_PRIV_CAP_CCX_MIC BIT(4)45#define BR_DESC_PRIV_CAP_AESCCMP BIT(5)46 47struct bootrec_desc {48 __le16 modes;49 __le16 flags;50 __le32 rx_start;51 __le32 rx_end;52 u8 headroom;53 u8 tailroom;54 u8 tx_queues;55 u8 tx_depth;56 u8 privacy_caps;57 u8 rx_keycache_size;58 u8 time_size;59 u8 padding;60 u8 rates[16];61 u8 padding2[4];62 __le16 rx_mtu;63} __packed;64 65#define FW_FMAC 0x464d414366#define FW_LM86 0x4c4d383667#define FW_LM87 0x4c4d383768#define FW_LM20 0x4c4d323069 70struct bootrec_comp_id {71 __le32 fw_variant;72} __packed;73 74struct bootrec_comp_ver {75 char fw_version[24];76} __packed;77 78struct bootrec_end {79 __le16 crc;80 u8 padding[2];81 u8 md5[16];82} __packed;83 84/* provide 16 bytes for the transport back-end */85#define P54_TX_INFO_DATA_SIZE 1686 87/* stored in ieee80211_tx_info's rate_driver_data */88struct p54_tx_info {89 u32 start_addr;90 u32 end_addr;91 union {92 void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];93 struct {94 u32 extra_len;95 };96 };97};98 99#define P54_MAX_CTRL_FRAME_LEN 0x1000100 101#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \102do { \103 queue.aifs = cpu_to_le16(ai_fs); \104 queue.cwmin = cpu_to_le16(cw_min); \105 queue.cwmax = cpu_to_le16(cw_max); \106 queue.txop = cpu_to_le16(_txop); \107} while (0)108 109struct p54_edcf_queue_param {110 __le16 aifs;111 __le16 cwmin;112 __le16 cwmax;113 __le16 txop;114} __packed;115 116struct p54_rssi_db_entry {117 u16 freq;118 s16 mul;119 s16 add;120 s16 longbow_unkn;121 s16 longbow_unk2;122};123 124struct p54_cal_database {125 size_t entries;126 size_t entry_size;127 size_t offset;128 size_t len;129 u8 data[] __counted_by(len);130};131 132#define EEPROM_READBACK_LEN 0x3fc133 134enum fw_state {135 FW_STATE_OFF,136 FW_STATE_BOOTING,137 FW_STATE_READY,138 FW_STATE_RESET,139 FW_STATE_RESETTING,140};141 142#ifdef CONFIG_P54_LEDS143 144#define P54_LED_MAX_NAME_LEN 31145 146struct p54_led_dev {147 struct ieee80211_hw *hw_dev;148 struct led_classdev led_dev;149 char name[P54_LED_MAX_NAME_LEN + 1];150 151 unsigned int toggled;152 unsigned int index;153 unsigned int registered;154};155 156#endif /* CONFIG_P54_LEDS */157 158struct p54_tx_queue_stats {159 unsigned int len;160 unsigned int limit;161 unsigned int count;162};163 164struct p54_common {165 struct ieee80211_hw *hw;166 struct ieee80211_vif *vif;167 void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);168 int (*open)(struct ieee80211_hw *dev);169 void (*stop)(struct ieee80211_hw *dev);170 struct sk_buff_head tx_pending;171 struct sk_buff_head tx_queue;172 struct mutex conf_mutex;173 bool registered;174 175 /* memory management (as seen by the firmware) */176 u32 rx_start;177 u32 rx_end;178 u16 rx_mtu;179 u8 headroom;180 u8 tailroom;181 182 /* firmware/hardware info */183 unsigned int tx_hdr_len;184 unsigned int fw_var;185 unsigned int fw_interface;186 u8 version;187 188 /* (e)DCF / QOS state */189 bool use_short_slot;190 spinlock_t tx_stats_lock;191 struct p54_tx_queue_stats tx_stats[8];192 struct p54_edcf_queue_param qos_params[8];193 194 /* Radio data */195 u16 rxhw;196 u8 rx_diversity_mask;197 u8 tx_diversity_mask;198 unsigned int output_power;199 struct p54_rssi_db_entry *cur_rssi;200 struct ieee80211_channel *curchan;201 struct survey_info *survey;202 unsigned int chan_num;203 struct completion stat_comp;204 bool update_stats;205 struct {206 unsigned int timestamp;207 unsigned int cached_cca;208 unsigned int cached_tx;209 unsigned int cached_rssi;210 u64 active;211 u64 cca;212 u64 tx;213 u64 rssi;214 } survey_raw;215 216 int noise;217 /* calibration, output power limit and rssi<->dBm conversation data */218 struct pda_iq_autocal_entry *iq_autocal;219 unsigned int iq_autocal_len;220 struct p54_cal_database *curve_data;221 struct p54_cal_database *output_limit;222 struct p54_cal_database *rssi_db;223 struct ieee80211_supported_band *band_table[NUM_NL80211_BANDS];224 225 /* BBP/MAC state */226 u8 mac_addr[ETH_ALEN];227 u8 bssid[ETH_ALEN];228 u8 mc_maclist[4][ETH_ALEN];229 u16 wakeup_timer;230 unsigned int filter_flags;231 int mc_maclist_num;232 int mode;233 u32 tsf_low32, tsf_high32;234 u32 basic_rate_mask;235 u16 aid;236 u8 coverage_class;237 bool phy_idle;238 bool phy_ps;239 bool powersave_override;240 __le32 beacon_req_id;241 struct completion beacon_comp;242 243 /* cryptographic engine information */244 u8 privacy_caps;245 u8 rx_keycache_size;246 unsigned long *used_rxkeys;247 248 /* LED management */249#ifdef CONFIG_P54_LEDS250 struct p54_led_dev leds[4];251 struct delayed_work led_work;252#endif /* CONFIG_P54_LEDS */253 u16 softled_state; /* bit field of glowing LEDs */254 255 /* statistics */256 struct ieee80211_low_level_stats stats;257 struct delayed_work work;258 259 /* eeprom handling */260 void *eeprom;261 struct completion eeprom_comp;262 struct mutex eeprom_mutex;263};264 265/* interfaces for the drivers */266int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);267void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);268int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);269int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);270int p54_read_eeprom(struct ieee80211_hw *dev);271 272struct ieee80211_hw *p54_init_common(size_t priv_data_len);273int p54_register_common(struct ieee80211_hw *dev, struct device *pdev);274void p54_free_common(struct ieee80211_hw *dev);275 276void p54_unregister_common(struct ieee80211_hw *dev);277 278#endif /* P54_H */279