1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Shared defines for all mac80211 Prism54 code 4 * 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_H 12 #define P54_H 13 14 #ifdef CONFIG_P54_LEDS 15 #include <linux/leds.h> 16 #endif /* CONFIG_P54_LEDS */ 17 18 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000 19 20 #define BR_CODE_MIN 0x80000000 21 #define BR_CODE_COMPONENT_ID 0x80000001 22 #define BR_CODE_COMPONENT_VERSION 0x80000002 23 #define BR_CODE_DEPENDENT_IF 0x80000003 24 #define BR_CODE_EXPOSED_IF 0x80000004 25 #define BR_CODE_DESCR 0x80000101 26 #define BR_CODE_MAX 0x8FFFFFFF 27 #define BR_CODE_END_OF_BRA 0xFF0000FF 28 #define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF 29 30 struct bootrec { 31 __le32 code; 32 __le32 len; 33 u32 data[10]; 34 } __packed; 35 36 /* Interface role definitions */ 37 #define BR_INTERFACE_ROLE_SERVER 0x0000 38 #define BR_INTERFACE_ROLE_CLIENT 0x8000 39 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 47 struct 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 0x464d4143 66 #define FW_LM86 0x4c4d3836 67 #define FW_LM87 0x4c4d3837 68 #define FW_LM20 0x4c4d3230 69 70 struct bootrec_comp_id { 71 __le32 fw_variant; 72 } __packed; 73 74 struct bootrec_comp_ver { 75 char fw_version[24]; 76 } __packed; 77 78 struct 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 16 86 87 /* stored in ieee80211_tx_info's rate_driver_data */ 88 struct 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 0x1000 100 101 #define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \ 102 do { \ 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) 108 109 struct p54_edcf_queue_param { 110 __le16 aifs; 111 __le16 cwmin; 112 __le16 cwmax; 113 __le16 txop; 114 } __packed; 115 116 struct p54_rssi_db_entry { 117 u16 freq; 118 s16 mul; 119 s16 add; 120 s16 longbow_unkn; 121 s16 longbow_unk2; 122 }; 123 124 struct 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 0x3fc 133 134 enum 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_LEDS 143 144 #define P54_LED_MAX_NAME_LEN 31 145 146 struct 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 */ 157 158 struct p54_tx_queue_stats { 159 unsigned int len; 160 unsigned int limit; 161 unsigned int count; 162 }; 163 164 struct 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_LEDS 250 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 */ 266 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb); 267 void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb); 268 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw); 269 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len); 270 int p54_read_eeprom(struct ieee80211_hw *dev); 271 272 struct ieee80211_hw *p54_init_common(size_t priv_data_len); 273 int p54_register_common(struct ieee80211_hw *dev, struct device *pdev); 274 void p54_free_common(struct ieee80211_hw *dev); 275 276 void p54_unregister_common(struct ieee80211_hw *dev); 277 278 #endif /* P54_H */ 279