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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
25struct 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
32struct 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
46enum 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
61extern u32 rsi_zone_enabled;
62extern __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
117struct 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
129struct 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
140enum edca_queue {
141 BK_Q,
142 BE_Q,
143 VI_Q,
144 VO_Q,
145 MGMT_SOFT_Q,
146 MGMT_BEACON_Q
147};
148
149struct security_info {
150 bool security_enable;
151 u32 ptk_cipher;
152 u32 gtk_cipher;
153};
154
155struct wmm_qinfo {
156 s32 weight;
157 s32 wme_params;
158 s32 pkt_contended;
159 s32 txop;
160};
161
162struct 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
167struct vif_priv {
168 bool is_ht;
169 bool sgi;
170 u16 seq_start;
171 int vap_id;
172};
173
174struct rsi_event {
175 atomic_t event_condition;
176 wait_queue_head_t event_queue;
177};
178
179struct 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
187struct cqm_info {
188 s8 last_cqm_event_rssi;
189 int rssi_thold;
190 u32 rssi_hyst;
191};
192
193struct xtended_desc {
194 u8 confirm_frame_type;
195 u8 retry_cnt;
196 u16 reserved;
197};
198
199enum rsi_dfs_regions {
200 RSI_REGION_FCC = 0,
201 RSI_REGION_ETSI,
202 RSI_REGION_TELEC,
203 RSI_REGION_WORLD
204};
205
206struct rsi_common {
207 struct rsi_hw *priv;
208 struct vif_priv vif_info[RSI_MAX_VIFS];
209
210 void *coex_cb;
211 bool mgmt_q_block;
212 struct version_info lmac_ver;
213
214 struct rsi_thread tx_thread;
215 struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 2];
216 struct completion wlan_init_completion;
217 /* Mutex declaration */
218 struct mutex mutex;
219 /* Mutex used for tx thread */
220 struct mutex tx_lock;
221 /* Mutex used for rx thread */
222 struct mutex rx_lock;
223 u8 endpoint;
224
225 /* Channel/band related */
226 u8 band;
227 u8 num_supp_bands;
228 u8 channel_width;
229
230 u16 rts_threshold;
231 u16 bitrate_mask[2];
232 u32 fixedrate_mask[2];
233
234 u8 rf_reset;
235 struct transmit_q_stats tx_stats;
236 struct security_info secinfo;
237 struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES];
238 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
239 u8 mac_addr[IEEE80211_ADDR_LEN];
240
241 /* state related */
242 u32 fsm_state;
243 bool init_done;
244 u8 bb_rf_prog_count;
245 bool iface_down;
246
247 /* Generic */
248 u8 channel;
249 u8 *rx_data_pkt;
250 u8 mac_id;
251 u8 radio_id;
252 u16 rate_pwr[20];
253 u16 min_rate;
254
255 /* WMM algo related */
256 u8 selected_qnum;
257 u32 pkt_cnt;
258 u8 min_weight;
259
260 /* bgscan related */
261 struct cqm_info cqm_info;
262
263 bool hw_data_qs_blocked;
264 u8 driver_mode;
265 u8 coex_mode;
266 u16 oper_mode;
267 u8 lp_ps_handshake_mode;
268 u8 ulp_ps_handshake_mode;
269 u8 uapsd_bitmap;
270 u8 rf_power_val;
271 u8 wlan_rf_power_mode;
272 u8 obm_ant_sel_val;
273 int tx_power;
274 u8 ant_in_use;
275 /* Mutex used for writing packet to bus */
276 struct mutex tx_bus_mutex;
277 bool hibernate_resume;
278 bool reinit_hw;
279 u8 wow_flags;
280 u16 beacon_interval;
281 u8 dtim_cnt;
282
283 /* AP mode parameters */
284 u8 beacon_enabled;
285 u16 beacon_cnt;
286 struct rsi_sta stations[RSI_MAX_ASSOC_STAS + 1];
287 int num_stations;
288 int max_stations;
289 struct ieee80211_key_conf *key;
290
291 /* Wi-Fi direct mode related */
292 bool p2p_enabled;
293 struct timer_list roc_timer;
294 struct ieee80211_vif *roc_vif;
295
296 void *bt_adapter;
297};
298
299struct eepromrw_info {
300 u32 offset;
301 u32 length;
302 u8 write;
303 u16 eeprom_erase;
304 u8 data[480];
305};
306
307struct eeprom_read {
308 u16 length;
309 u16 off_set;
310};
311
312struct rsi_hw {
313 struct rsi_common *priv;
314 u8 device_model;
315 struct ieee80211_hw *hw;
316 struct ieee80211_vif *vifs[RSI_MAX_VIFS];
317 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
318 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
319
320 struct device *device;
321 u8 sc_nvifs;
322
323 enum rsi_host_intf rsi_host_intf;
324 u16 block_size;
325 enum ps_state ps_state;
326 struct rsi_ps_info ps_info;
327 spinlock_t ps_lock; /*To protect power save config*/
328 u32 usb_buffer_status_reg;
329#ifdef CONFIG_RSI_DEBUGFS
330 struct rsi_debugfs *dfsentry;
331 u8 num_debugfs_entries;
332#endif
333 char *fw_file_name;
334 struct timer_list bl_cmd_timer;
335 bool blcmd_timer_expired;
336 u32 flash_capacity;
337 struct eepromrw_info eeprom;
338 u32 interrupt_status;
339 u8 dfs_region;
340 char country[2];
341 void *rsi_dev;
342 struct rsi_host_intf_ops *host_intf_ops;
343 int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num);
344 int (*determine_event_timeout)(struct rsi_hw *adapter);
345};
346
347void rsi_print_version(struct rsi_common *common);
348
349struct rsi_host_intf_ops {
350 int (*read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
351 int (*write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
352 int (*master_access_msword)(struct rsi_hw *adapter, u16 ms_word);
353 int (*read_reg_multiple)(struct rsi_hw *adapter, u32 addr,
354 u8 *data, u16 count);
355 int (*write_reg_multiple)(struct rsi_hw *adapter, u32 addr,
356 u8 *data, u16 count);
357 int (*master_reg_read)(struct rsi_hw *adapter, u32 addr,
358 u32 *read_buf, u16 size);
359 int (*master_reg_write)(struct rsi_hw *adapter,
360 unsigned long addr, unsigned long data,
361 u16 size);
362 int (*load_data_master_write)(struct rsi_hw *adapter, u32 addr,
363 u32 instructions_size, u16 block_size,
364 u8 *fw);
365 int (*reinit_device)(struct rsi_hw *adapter);
366};
367
368enum rsi_host_intf rsi_get_host_intf(void *priv);
369void rsi_set_bt_context(void *priv, void *bt_context);
370
371#endif