1 /** 2 * Copyright (c) 2014 Redpine Signals Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef __RSI_MAIN_H__ 18 #define __RSI_MAIN_H__ 19 20 #include <linux/string.h> 21 #include <linux/skbuff.h> 22 #include <net/mac80211.h> 23 #include <net/rsi_91x.h> 24 25 struct rsi_sta { 26 struct ieee80211_sta *sta; 27 s16 sta_id; 28 u16 seq_start[IEEE80211_NUM_TIDS]; 29 bool start_tx_aggr[IEEE80211_NUM_TIDS]; 30 }; 31 32 struct rsi_hw; 33 34 #include "rsi_ps.h" 35 36 #define ERR_ZONE BIT(0) /* For Error Msgs */ 37 #define INFO_ZONE BIT(1) /* For General Status Msgs */ 38 #define INIT_ZONE BIT(2) /* For Driver Init Seq Msgs */ 39 #define MGMT_TX_ZONE BIT(3) /* For TX Mgmt Path Msgs */ 40 #define MGMT_RX_ZONE BIT(4) /* For RX Mgmt Path Msgs */ 41 #define DATA_TX_ZONE BIT(5) /* For TX Data Path Msgs */ 42 #define DATA_RX_ZONE BIT(6) /* For RX Data Path Msgs */ 43 #define FSM_ZONE BIT(7) /* For State Machine Msgs */ 44 #define ISR_ZONE BIT(8) /* For Interrupt Msgs */ 45 46 enum RSI_FSM_STATES { 47 FSM_FW_NOT_LOADED, 48 FSM_CARD_NOT_READY, 49 FSM_COMMON_DEV_PARAMS_SENT, 50 FSM_BOOT_PARAMS_SENT, 51 FSM_EEPROM_READ_MAC_ADDR, 52 FSM_EEPROM_READ_RF_TYPE, 53 FSM_RESET_MAC_SENT, 54 FSM_RADIO_CAPS_SENT, 55 FSM_BB_RF_PROG_SENT, 56 FSM_MAC_INIT_DONE, 57 58 NUM_FSM_STATES 59 }; 60 61 extern u32 rsi_zone_enabled; 62 extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...); 63 64 #define RSI_MAX_VIFS 3 65 #define NUM_EDCA_QUEUES 4 66 #define IEEE80211_ADDR_LEN 6 67 #define FRAME_DESC_SZ 16 68 #define MIN_802_11_HDR_LEN 24 69 #define RSI_DEF_KEEPALIVE 90 70 #define RSI_WOW_KEEPALIVE 5 71 #define RSI_BCN_MISS_THRESHOLD 24 72 73 #define DATA_QUEUE_WATER_MARK 400 74 #define MIN_DATA_QUEUE_WATER_MARK 300 75 #define MULTICAST_WATER_MARK 200 76 #define MAC_80211_HDR_FRAME_CONTROL 0 77 #define WME_NUM_AC 4 78 #define NUM_SOFT_QUEUES 6 79 #define MAX_HW_QUEUES 12 80 #define INVALID_QUEUE 0xff 81 #define MAX_CONTINUOUS_VO_PKTS 8 82 #define MAX_CONTINUOUS_VI_PKTS 4 83 84 /* Hardware queue info */ 85 #define BROADCAST_HW_Q 9 86 #define MGMT_HW_Q 10 87 #define BEACON_HW_Q 11 88 89 #define IEEE80211_MGMT_FRAME 0x00 90 #define IEEE80211_CTL_FRAME 0x04 91 92 #define RSI_MAX_ASSOC_STAS 32 93 #define IEEE80211_QOS_TID 0x0f 94 #define IEEE80211_NONQOS_TID 16 95 96 #define MAX_DEBUGFS_ENTRIES 4 97 98 #define TID_TO_WME_AC(_tid) ( \ 99 ((_tid) == 0 || (_tid) == 3) ? BE_Q : \ 100 ((_tid) < 3) ? BK_Q : \ 101 ((_tid) < 6) ? VI_Q : \ 102 VO_Q) 103 104 #define WME_AC(_q) ( \ 105 ((_q) == BK_Q) ? IEEE80211_AC_BK : \ 106 ((_q) == BE_Q) ? IEEE80211_AC_BE : \ 107 ((_q) == VI_Q) ? IEEE80211_AC_VI : \ 108 IEEE80211_AC_VO) 109 110 /* WoWLAN flags */ 111 #define RSI_WOW_ENABLED BIT(0) 112 #define RSI_WOW_NO_CONNECTION BIT(1) 113 114 #define RSI_DEV_9113 1 115 #define RSI_MAX_RX_PKTS 64 116 117 struct version_info { 118 u16 major; 119 u16 minor; 120 u8 release_num; 121 u8 patch_num; 122 union { 123 struct { 124 u8 fw_ver[8]; 125 } info; 126 } ver; 127 } __packed; 128 129 struct skb_info { 130 s8 rssi; 131 u32 flags; 132 u16 channel; 133 s8 tid; 134 s8 sta_id; 135 u8 internal_hdr_size; 136 struct ieee80211_vif *vif; 137 u8 vap_id; 138 }; 139 140 enum edca_queue { 141 BK_Q, 142 BE_Q, 143 VI_Q, 144 VO_Q, 145 MGMT_SOFT_Q, 146 MGMT_BEACON_Q 147 }; 148 149 struct security_info { 150 bool security_enable; 151 u32 ptk_cipher; 152 u32 gtk_cipher; 153 }; 154 155 struct wmm_qinfo { 156 s32 weight; 157 s32 wme_params; 158 s32 pkt_contended; 159 s32 txop; 160 }; 161 162 struct transmit_q_stats { 163 u32 total_tx_pkt_send[NUM_EDCA_QUEUES + 2]; 164 u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 2]; 165 }; 166 167 struct vif_priv { 168 bool is_ht; 169 bool sgi; 170 u16 seq_start; 171 int vap_id; 172 }; 173 174 struct rsi_event { 175 atomic_t event_condition; 176 wait_queue_head_t event_queue; 177 }; 178 179 struct rsi_thread { 180 void (*thread_function)(void *); 181 struct completion completion; 182 struct task_struct *task; 183 struct rsi_event event; 184 atomic_t thread_done; 185 }; 186 187 struct cqm_info { 188 s8 last_cqm_event_rssi; 189 int rssi_thold; 190 u32 rssi_hyst; 191 }; 192 193 enum rsi_dfs_regions { 194 RSI_REGION_FCC = 0, 195 RSI_REGION_ETSI, 196 RSI_REGION_TELEC, 197 RSI_REGION_WORLD 198 }; 199 200 struct rsi_common { 201 struct rsi_hw *priv; 202 struct vif_priv vif_info[RSI_MAX_VIFS]; 203 204 void *coex_cb; 205 bool mgmt_q_block; 206 struct version_info lmac_ver; 207 208 struct rsi_thread tx_thread; 209 struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 2]; 210 struct completion wlan_init_completion; 211 /* Mutex declaration */ 212 struct mutex mutex; 213 /* Mutex used for tx thread */ 214 struct mutex tx_lock; 215 /* Mutex used for rx thread */ 216 struct mutex rx_lock; 217 u8 endpoint; 218 219 /* Channel/band related */ 220 u8 band; 221 u8 num_supp_bands; 222 u8 channel_width; 223 224 u16 rts_threshold; 225 u16 bitrate_mask[2]; 226 u32 fixedrate_mask[2]; 227 228 u8 rf_reset; 229 struct transmit_q_stats tx_stats; 230 struct security_info secinfo; 231 struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES]; 232 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES]; 233 u8 mac_addr[IEEE80211_ADDR_LEN]; 234 235 /* state related */ 236 u32 fsm_state; 237 bool init_done; 238 u8 bb_rf_prog_count; 239 bool iface_down; 240 241 /* Generic */ 242 u8 channel; 243 u8 *rx_data_pkt; 244 u8 mac_id; 245 u8 radio_id; 246 u16 rate_pwr[20]; 247 u16 min_rate; 248 249 /* WMM algo related */ 250 u8 selected_qnum; 251 u32 pkt_cnt; 252 u8 min_weight; 253 254 /* bgscan related */ 255 struct cqm_info cqm_info; 256 257 bool hw_data_qs_blocked; 258 u8 driver_mode; 259 u8 coex_mode; 260 u16 oper_mode; 261 u8 lp_ps_handshake_mode; 262 u8 ulp_ps_handshake_mode; 263 u8 uapsd_bitmap; 264 u8 rf_power_val; 265 u8 wlan_rf_power_mode; 266 u8 obm_ant_sel_val; 267 int tx_power; 268 u8 ant_in_use; 269 /* Mutex used for writing packet to bus */ 270 struct mutex tx_bus_mutex; 271 bool hibernate_resume; 272 bool reinit_hw; 273 u8 wow_flags; 274 u16 beacon_interval; 275 u8 dtim_cnt; 276 277 /* AP mode parameters */ 278 u8 beacon_enabled; 279 u16 beacon_cnt; 280 struct rsi_sta stations[RSI_MAX_ASSOC_STAS + 1]; 281 int num_stations; 282 int max_stations; 283 struct ieee80211_key_conf *key; 284 285 /* Wi-Fi direct mode related */ 286 bool p2p_enabled; 287 struct timer_list roc_timer; 288 struct ieee80211_vif *roc_vif; 289 290 bool eapol4_confirm; 291 void *bt_adapter; 292 }; 293 294 struct eepromrw_info { 295 u32 offset; 296 u32 length; 297 u8 write; 298 u16 eeprom_erase; 299 u8 data[480]; 300 }; 301 302 struct eeprom_read { 303 u16 length; 304 u16 off_set; 305 }; 306 307 struct rsi_hw { 308 struct rsi_common *priv; 309 u8 device_model; 310 struct ieee80211_hw *hw; 311 struct ieee80211_vif *vifs[RSI_MAX_VIFS]; 312 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES]; 313 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 314 315 struct device *device; 316 u8 sc_nvifs; 317 318 enum rsi_host_intf rsi_host_intf; 319 u16 block_size; 320 enum ps_state ps_state; 321 struct rsi_ps_info ps_info; 322 spinlock_t ps_lock; /*To protect power save config*/ 323 u32 usb_buffer_status_reg; 324 #ifdef CONFIG_RSI_DEBUGFS 325 struct rsi_debugfs *dfsentry; 326 u8 num_debugfs_entries; 327 #endif 328 char *fw_file_name; 329 struct timer_list bl_cmd_timer; 330 bool blcmd_timer_expired; 331 u32 flash_capacity; 332 struct eepromrw_info eeprom; 333 u32 interrupt_status; 334 u8 dfs_region; 335 char country[2]; 336 void *rsi_dev; 337 struct rsi_host_intf_ops *host_intf_ops; 338 int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num); 339 int (*determine_event_timeout)(struct rsi_hw *adapter); 340 }; 341 342 void rsi_print_version(struct rsi_common *common); 343 344 struct rsi_host_intf_ops { 345 int (*read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len); 346 int (*write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len); 347 int (*master_access_msword)(struct rsi_hw *adapter, u16 ms_word); 348 int (*read_reg_multiple)(struct rsi_hw *adapter, u32 addr, 349 u8 *data, u16 count); 350 int (*write_reg_multiple)(struct rsi_hw *adapter, u32 addr, 351 u8 *data, u16 count); 352 int (*master_reg_read)(struct rsi_hw *adapter, u32 addr, 353 u32 *read_buf, u16 size); 354 int (*master_reg_write)(struct rsi_hw *adapter, 355 unsigned long addr, unsigned long data, 356 u16 size); 357 int (*load_data_master_write)(struct rsi_hw *adapter, u32 addr, 358 u32 instructions_size, u16 block_size, 359 u8 *fw); 360 int (*reinit_device)(struct rsi_hw *adapter); 361 }; 362 363 enum rsi_host_intf rsi_get_host_intf(void *priv); 364 void rsi_set_bt_context(void *priv, void *bt_context); 365 366 #endif 367