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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_MAX_RX_PKTS 64
115
116enum rsi_dev_model {
117 RSI_DEV_9113 = 0,
118 RSI_DEV_9116
119};
120
121struct version_info {
122 u16 major;
123 u16 minor;
124 u8 release_num;
125 u8 patch_num;
126 union {
127 struct {
128 u8 fw_ver[8];
129 } info;
130 } ver;
131} __packed;
132
133struct skb_info {
134 s8 rssi;
135 u32 flags;
136 u16 channel;
137 s8 tid;
138 s8 sta_id;
139 u8 internal_hdr_size;
140 struct ieee80211_vif *vif;
141 u8 vap_id;
142};
143
144enum edca_queue {
145 BK_Q,
146 BE_Q,
147 VI_Q,
148 VO_Q,
149 MGMT_SOFT_Q,
150 MGMT_BEACON_Q
151};
152
153struct security_info {
154 bool security_enable;
155 u32 ptk_cipher;
156 u32 gtk_cipher;
157};
158
159struct wmm_qinfo {
160 s32 weight;
161 s32 wme_params;
162 s32 pkt_contended;
163 s32 txop;
164};
165
166struct transmit_q_stats {
167 u32 total_tx_pkt_send[NUM_EDCA_QUEUES + 2];
168 u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 2];
169};
170
171#define MAX_BGSCAN_CHANNELS_DUAL_BAND 38
172#define MAX_BGSCAN_PROBE_REQ_LEN 0x64
173#define RSI_DEF_BGSCAN_THRLD 0x0
174#define RSI_DEF_ROAM_THRLD 0xa
175#define RSI_BGSCAN_PERIODICITY 0x1e
176#define RSI_ACTIVE_SCAN_TIME 0x14
177#define RSI_PASSIVE_SCAN_TIME 0x46
178#define RSI_CHANNEL_SCAN_TIME 20
179struct rsi_bgscan_params {
180 u16 bgscan_threshold;
181 u16 roam_threshold;
182 u16 bgscan_periodicity;
183 u8 num_bgscan_channels;
184 u8 two_probe;
185 u16 active_scan_duration;
186 u16 passive_scan_duration;
187};
188
189struct vif_priv {
190 bool is_ht;
191 bool sgi;
192 u16 seq_start;
193 int vap_id;
194};
195
196struct rsi_event {
197 atomic_t event_condition;
198 wait_queue_head_t event_queue;
199};
200
201struct rsi_thread {
202 void (*thread_function)(void *);
203 struct completion completion;
204 struct task_struct *task;
205 struct rsi_event event;
206 atomic_t thread_done;
207};
208
209struct cqm_info {
210 s8 last_cqm_event_rssi;
211 int rssi_thold;
212 u32 rssi_hyst;
213};
214
215enum rsi_dfs_regions {
216 RSI_REGION_FCC = 0,
217 RSI_REGION_ETSI,
218 RSI_REGION_TELEC,
219 RSI_REGION_WORLD
220};
221
222struct rsi_9116_features {
223 u8 pll_mode;
224 u8 rf_type;
225 u8 wireless_mode;
226 u8 afe_type;
227 u8 enable_ppe;
228 u8 dpd;
229 u32 sifs_tx_enable;
230 u32 ps_options;
231};
232
233struct rsi_common {
234 struct rsi_hw *priv;
235 struct vif_priv vif_info[RSI_MAX_VIFS];
236
237 void *coex_cb;
238 bool mgmt_q_block;
239 struct version_info lmac_ver;
240
241 struct rsi_thread tx_thread;
242 struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 2];
243 struct completion wlan_init_completion;
244 /* Mutex declaration */
245 struct mutex mutex;
246 /* Mutex used for tx thread */
247 struct mutex tx_lock;
248 /* Mutex used for rx thread */
249 struct mutex rx_lock;
250 u8 endpoint;
251
252 /* Channel/band related */
253 u8 band;
254 u8 num_supp_bands;
255 u8 channel_width;
256
257 u16 rts_threshold;
258 u16 bitrate_mask[2];
259 u32 fixedrate_mask[2];
260
261 u8 rf_reset;
262 struct transmit_q_stats tx_stats;
263 struct security_info secinfo;
264 struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES];
265 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
266 u8 mac_addr[IEEE80211_ADDR_LEN];
267
268 /* state related */
269 u32 fsm_state;
270 bool init_done;
271 u8 bb_rf_prog_count;
272 bool iface_down;
273
274 /* Generic */
275 u8 channel;
276 u8 *rx_data_pkt;
277 u8 mac_id;
278 u8 radio_id;
279 u16 rate_pwr[20];
280 u16 min_rate;
281
282 /* WMM algo related */
283 u8 selected_qnum;
284 u32 pkt_cnt;
285 u8 min_weight;
286
287 /* bgscan related */
288 struct cqm_info cqm_info;
289
290 bool hw_data_qs_blocked;
291 u8 driver_mode;
292 u8 coex_mode;
293 u16 oper_mode;
294 u8 lp_ps_handshake_mode;
295 u8 ulp_ps_handshake_mode;
296 u8 uapsd_bitmap;
297 u8 rf_power_val;
298 u8 wlan_rf_power_mode;
299 u8 obm_ant_sel_val;
300 int tx_power;
301 u8 ant_in_use;
302 /* Mutex used for writing packet to bus */
303 struct mutex tx_bus_mutex;
304 bool hibernate_resume;
305 bool reinit_hw;
306 u8 wow_flags;
307 u16 beacon_interval;
308 u8 dtim_cnt;
309
310 /* AP mode parameters */
311 u8 beacon_enabled;
312 u16 beacon_cnt;
313 struct rsi_sta stations[RSI_MAX_ASSOC_STAS + 1];
314 int num_stations;
315 int max_stations;
316 struct ieee80211_key_conf *key;
317
318 /* Wi-Fi direct mode related */
319 bool p2p_enabled;
320 struct timer_list roc_timer;
321 struct ieee80211_vif *roc_vif;
322
323 bool eapol4_confirm;
324 void *bt_adapter;
325
326 struct cfg80211_scan_request *hwscan;
327 struct rsi_bgscan_params bgscan;
328 struct rsi_9116_features w9116_features;
329 u8 bgscan_en;
330 u8 mac_ops_resumed;
331};
332
333struct eepromrw_info {
334 u32 offset;
335 u32 length;
336 u8 write;
337 u16 eeprom_erase;
338 u8 data[480];
339};
340
341struct eeprom_read {
342 u16 length;
343 u16 off_set;
344};
345
346struct rsi_hw {
347 struct rsi_common *priv;
348 enum rsi_dev_model device_model;
349 struct ieee80211_hw *hw;
350 struct ieee80211_vif *vifs[RSI_MAX_VIFS];
351 struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
352 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
353
354 struct device *device;
355 u8 sc_nvifs;
356
357 enum rsi_host_intf rsi_host_intf;
358 u16 block_size;
359 enum ps_state ps_state;
360 struct rsi_ps_info ps_info;
361 spinlock_t ps_lock; /*To protect power save config*/
362 u32 usb_buffer_status_reg;
363#ifdef CONFIG_RSI_DEBUGFS
364 struct rsi_debugfs *dfsentry;
365 u8 num_debugfs_entries;
366#endif
367 char *fw_file_name;
368 struct timer_list bl_cmd_timer;
369 bool blcmd_timer_expired;
370 u32 flash_capacity;
371 struct eepromrw_info eeprom;
372 u32 interrupt_status;
373 u8 dfs_region;
374 char country[2];
375 void *rsi_dev;
376 struct rsi_host_intf_ops *host_intf_ops;
377 int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num);
378 int (*determine_event_timeout)(struct rsi_hw *adapter);
379};
380
381void rsi_print_version(struct rsi_common *common);
382
383struct rsi_host_intf_ops {
384 int (*read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
385 int (*write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
386 int (*master_access_msword)(struct rsi_hw *adapter, u16 ms_word);
387 int (*read_reg_multiple)(struct rsi_hw *adapter, u32 addr,
388 u8 *data, u16 count);
389 int (*write_reg_multiple)(struct rsi_hw *adapter, u32 addr,
390 u8 *data, u16 count);
391 int (*master_reg_read)(struct rsi_hw *adapter, u32 addr,
392 u32 *read_buf, u16 size);
393 int (*master_reg_write)(struct rsi_hw *adapter,
394 unsigned long addr, unsigned long data,
395 u16 size);
396 int (*load_data_master_write)(struct rsi_hw *adapter, u32 addr,
397 u32 instructions_size, u16 block_size,
398 u8 *fw);
399 int (*reinit_device)(struct rsi_hw *adapter);
400 int (*ta_reset)(struct rsi_hw *adapter);
401};
402
403enum rsi_host_intf rsi_get_host_intf(void *priv);
404void rsi_set_bt_context(void *priv, void *bt_context);
405
406#endif