1  /*
2   * Copyright (c) 2010-2011 Atheros Communications 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 AR9003_MCI_H
18  #define AR9003_MCI_H
19  
20  #define MCI_FLAG_DISABLE_TIMESTAMP      0x00000001      /* Disable time stamp */
21  #define MCI_RECOVERY_DUR_TSF		(100 * 1000)    /* 100 ms */
22  
23  /* Default remote BT device MCI COEX version */
24  #define MCI_GPM_COEX_MAJOR_VERSION_DEFAULT  3
25  #define MCI_GPM_COEX_MINOR_VERSION_DEFAULT  0
26  
27  /* Local WLAN MCI COEX version */
28  #define MCI_GPM_COEX_MAJOR_VERSION_WLAN     3
29  #define MCI_GPM_COEX_MINOR_VERSION_WLAN     0
30  
31  enum mci_gpm_coex_query_type {
32  	MCI_GPM_COEX_QUERY_BT_ALL_INFO      = BIT(0),
33  	MCI_GPM_COEX_QUERY_BT_TOPOLOGY      = BIT(1),
34  	MCI_GPM_COEX_QUERY_BT_DEBUG         = BIT(2),
35  };
36  
37  enum mci_gpm_coex_halt_bt_gpm {
38  	MCI_GPM_COEX_BT_GPM_UNHALT,
39  	MCI_GPM_COEX_BT_GPM_HALT
40  };
41  
42  enum mci_gpm_coex_bt_update_flags_op {
43  	MCI_GPM_COEX_BT_FLAGS_READ,
44  	MCI_GPM_COEX_BT_FLAGS_SET,
45  	MCI_GPM_COEX_BT_FLAGS_CLEAR
46  };
47  
48  #define MCI_NUM_BT_CHANNELS     79
49  
50  #define MCI_BT_MCI_FLAGS_UPDATE_CORR          0x00000002
51  #define MCI_BT_MCI_FLAGS_UPDATE_HDR           0x00000004
52  #define MCI_BT_MCI_FLAGS_UPDATE_PLD           0x00000008
53  #define MCI_BT_MCI_FLAGS_LNA_CTRL             0x00000010
54  #define MCI_BT_MCI_FLAGS_DEBUG                0x00000020
55  #define MCI_BT_MCI_FLAGS_SCHED_MSG            0x00000040
56  #define MCI_BT_MCI_FLAGS_CONT_MSG             0x00000080
57  #define MCI_BT_MCI_FLAGS_COEX_GPM             0x00000100
58  #define MCI_BT_MCI_FLAGS_CPU_INT_MSG          0x00000200
59  #define MCI_BT_MCI_FLAGS_MCI_MODE             0x00000400
60  #define MCI_BT_MCI_FLAGS_AR9462_MODE          0x00001000
61  #define MCI_BT_MCI_FLAGS_OTHER                0x00010000
62  
63  #define MCI_DEFAULT_BT_MCI_FLAGS              0x00011dde
64  
65  #define MCI_TOGGLE_BT_MCI_FLAGS  (MCI_BT_MCI_FLAGS_UPDATE_CORR | \
66  				  MCI_BT_MCI_FLAGS_UPDATE_HDR  | \
67  				  MCI_BT_MCI_FLAGS_UPDATE_PLD  | \
68  				  MCI_BT_MCI_FLAGS_MCI_MODE)
69  
70  #define MCI_2G_FLAGS_CLEAR_MASK   0x00000000
71  #define MCI_2G_FLAGS_SET_MASK     MCI_TOGGLE_BT_MCI_FLAGS
72  #define MCI_2G_FLAGS              MCI_DEFAULT_BT_MCI_FLAGS
73  
74  #define MCI_5G_FLAGS_CLEAR_MASK   MCI_TOGGLE_BT_MCI_FLAGS
75  #define MCI_5G_FLAGS_SET_MASK     0x00000000
76  #define MCI_5G_FLAGS              (MCI_DEFAULT_BT_MCI_FLAGS & \
77  				   ~MCI_TOGGLE_BT_MCI_FLAGS)
78  
79  /*
80   * Default value for AR9462 is 0x00002201
81   */
82  #define ATH_MCI_CONFIG_CONCUR_TX            0x00000003
83  #define ATH_MCI_CONFIG_MCI_OBS_MCI          0x00000004
84  #define ATH_MCI_CONFIG_MCI_OBS_TXRX         0x00000008
85  #define ATH_MCI_CONFIG_MCI_OBS_BT           0x00000010
86  #define ATH_MCI_CONFIG_DISABLE_MCI_CAL      0x00000020
87  #define ATH_MCI_CONFIG_DISABLE_OSLA         0x00000040
88  #define ATH_MCI_CONFIG_DISABLE_FTP_STOMP    0x00000080
89  #define ATH_MCI_CONFIG_AGGR_THRESH          0x00000700
90  #define ATH_MCI_CONFIG_AGGR_THRESH_S        8
91  #define ATH_MCI_CONFIG_DISABLE_AGGR_THRESH  0x00000800
92  #define ATH_MCI_CONFIG_CLK_DIV              0x00003000
93  #define ATH_MCI_CONFIG_CLK_DIV_S            12
94  #define ATH_MCI_CONFIG_DISABLE_TUNING       0x00004000
95  #define ATH_MCI_CONFIG_DISABLE_AIC          0x00008000
96  #define ATH_MCI_CONFIG_AIC_CAL_NUM_CHAN     0x007f0000
97  #define ATH_MCI_CONFIG_AIC_CAL_NUM_CHAN_S   16
98  #define ATH_MCI_CONFIG_NO_QUIET_ACK         0x00800000
99  #define ATH_MCI_CONFIG_NO_QUIET_ACK_S       23
100  #define ATH_MCI_CONFIG_ANT_ARCH             0x07000000
101  #define ATH_MCI_CONFIG_ANT_ARCH_S           24
102  #define ATH_MCI_CONFIG_FORCE_QUIET_ACK      0x08000000
103  #define ATH_MCI_CONFIG_FORCE_QUIET_ACK_S    27
104  #define ATH_MCI_CONFIG_FORCE_2CHAIN_ACK     0x10000000
105  #define ATH_MCI_CONFIG_MCI_STAT_DBG         0x20000000
106  #define ATH_MCI_CONFIG_MCI_WEIGHT_DBG       0x40000000
107  #define ATH_MCI_CONFIG_DISABLE_MCI          0x80000000
108  
109  #define ATH_MCI_CONFIG_MCI_OBS_MASK     (ATH_MCI_CONFIG_MCI_OBS_MCI  | \
110  					 ATH_MCI_CONFIG_MCI_OBS_TXRX | \
111  					 ATH_MCI_CONFIG_MCI_OBS_BT)
112  
113  #define ATH_MCI_CONFIG_MCI_OBS_GPIO     0x0000002F
114  
115  #define ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_NON_SHARED 0x00
116  #define ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_SHARED     0x01
117  #define ATH_MCI_ANT_ARCH_2_ANT_PA_LNA_NON_SHARED 0x02
118  #define ATH_MCI_ANT_ARCH_2_ANT_PA_LNA_SHARED     0x03
119  #define ATH_MCI_ANT_ARCH_3_ANT                   0x04
120  
121  #define MCI_ANT_ARCH_PA_LNA_SHARED(mci)					\
122  	((MS(mci->config, ATH_MCI_CONFIG_ANT_ARCH) == ATH_MCI_ANT_ARCH_1_ANT_PA_LNA_SHARED) || \
123  	 (MS(mci->config, ATH_MCI_CONFIG_ANT_ARCH) == ATH_MCI_ANT_ARCH_2_ANT_PA_LNA_SHARED))
124  
125  enum mci_message_header {		/* length of payload */
126  	MCI_LNA_CTRL     = 0x10,        /* len = 0 */
127  	MCI_CONT_NACK    = 0x20,        /* len = 0 */
128  	MCI_CONT_INFO    = 0x30,        /* len = 4 */
129  	MCI_CONT_RST     = 0x40,        /* len = 0 */
130  	MCI_SCHD_INFO    = 0x50,        /* len = 16 */
131  	MCI_CPU_INT      = 0x60,        /* len = 4 */
132  	MCI_SYS_WAKING   = 0x70,        /* len = 0 */
133  	MCI_GPM          = 0x80,        /* len = 16 */
134  	MCI_LNA_INFO     = 0x90,        /* len = 1 */
135  	MCI_LNA_STATE    = 0x94,
136  	MCI_LNA_TAKE     = 0x98,
137  	MCI_LNA_TRANS    = 0x9c,
138  	MCI_SYS_SLEEPING = 0xa0,        /* len = 0 */
139  	MCI_REQ_WAKE     = 0xc0,        /* len = 0 */
140  	MCI_DEBUG_16     = 0xfe,        /* len = 2 */
141  	MCI_REMOTE_RESET = 0xff         /* len = 16 */
142  };
143  
144  enum ath_mci_gpm_coex_profile_type {
145  	MCI_GPM_COEX_PROFILE_UNKNOWN,
146  	MCI_GPM_COEX_PROFILE_RFCOMM,
147  	MCI_GPM_COEX_PROFILE_A2DP,
148  	MCI_GPM_COEX_PROFILE_HID,
149  	MCI_GPM_COEX_PROFILE_BNEP,
150  	MCI_GPM_COEX_PROFILE_VOICE,
151  	MCI_GPM_COEX_PROFILE_A2DPVO,
152  	MCI_GPM_COEX_PROFILE_MAX
153  };
154  
155  /* MCI GPM/Coex opcode/type definitions */
156  enum {
157  	MCI_GPM_COEX_W_GPM_PAYLOAD      = 1,
158  	MCI_GPM_COEX_B_GPM_TYPE         = 4,
159  	MCI_GPM_COEX_B_GPM_OPCODE       = 5,
160  	/* MCI_GPM_WLAN_CAL_REQ, MCI_GPM_WLAN_CAL_DONE */
161  	MCI_GPM_WLAN_CAL_W_SEQUENCE     = 2,
162  
163  	/* MCI_GPM_COEX_VERSION_QUERY */
164  	/* MCI_GPM_COEX_VERSION_RESPONSE */
165  	MCI_GPM_COEX_B_MAJOR_VERSION    = 6,
166  	MCI_GPM_COEX_B_MINOR_VERSION    = 7,
167  	/* MCI_GPM_COEX_STATUS_QUERY */
168  	MCI_GPM_COEX_B_BT_BITMAP        = 6,
169  	MCI_GPM_COEX_B_WLAN_BITMAP      = 7,
170  	/* MCI_GPM_COEX_HALT_BT_GPM */
171  	MCI_GPM_COEX_B_HALT_STATE       = 6,
172  	/* MCI_GPM_COEX_WLAN_CHANNELS */
173  	MCI_GPM_COEX_B_CHANNEL_MAP      = 6,
174  	/* MCI_GPM_COEX_BT_PROFILE_INFO */
175  	MCI_GPM_COEX_B_PROFILE_TYPE     = 6,
176  	MCI_GPM_COEX_B_PROFILE_LINKID   = 7,
177  	MCI_GPM_COEX_B_PROFILE_STATE    = 8,
178  	MCI_GPM_COEX_B_PROFILE_ROLE     = 9,
179  	MCI_GPM_COEX_B_PROFILE_RATE     = 10,
180  	MCI_GPM_COEX_B_PROFILE_VOTYPE   = 11,
181  	MCI_GPM_COEX_H_PROFILE_T        = 12,
182  	MCI_GPM_COEX_B_PROFILE_W        = 14,
183  	MCI_GPM_COEX_B_PROFILE_A        = 15,
184  	/* MCI_GPM_COEX_BT_STATUS_UPDATE */
185  	MCI_GPM_COEX_B_STATUS_TYPE      = 6,
186  	MCI_GPM_COEX_B_STATUS_LINKID    = 7,
187  	MCI_GPM_COEX_B_STATUS_STATE     = 8,
188  	/* MCI_GPM_COEX_BT_UPDATE_FLAGS */
189  	MCI_GPM_COEX_W_BT_FLAGS         = 6,
190  	MCI_GPM_COEX_B_BT_FLAGS_OP      = 10
191  };
192  
193  enum mci_gpm_subtype {
194  	MCI_GPM_BT_CAL_REQ      = 0,
195  	MCI_GPM_BT_CAL_GRANT    = 1,
196  	MCI_GPM_BT_CAL_DONE     = 2,
197  	MCI_GPM_WLAN_CAL_REQ    = 3,
198  	MCI_GPM_WLAN_CAL_GRANT  = 4,
199  	MCI_GPM_WLAN_CAL_DONE   = 5,
200  	MCI_GPM_COEX_AGENT      = 0x0c,
201  	MCI_GPM_RSVD_PATTERN    = 0xfe,
202  	MCI_GPM_RSVD_PATTERN32  = 0xfefefefe,
203  	MCI_GPM_BT_DEBUG        = 0xff
204  };
205  
206  enum mci_bt_state {
207  	MCI_BT_SLEEP,
208  	MCI_BT_AWAKE,
209  	MCI_BT_CAL_START,
210  	MCI_BT_CAL
211  };
212  
213  enum mci_ps_state {
214  	MCI_PS_DISABLE,
215  	MCI_PS_ENABLE,
216  	MCI_PS_ENABLE_OFF,
217  	MCI_PS_ENABLE_ON
218  };
219  
220  /* Type of state query */
221  enum mci_state_type {
222  	MCI_STATE_ENABLE,
223  	MCI_STATE_INIT_GPM_OFFSET,
224  	MCI_STATE_CHECK_GPM_OFFSET,
225  	MCI_STATE_NEXT_GPM_OFFSET,
226  	MCI_STATE_LAST_GPM_OFFSET,
227  	MCI_STATE_BT,
228  	MCI_STATE_SET_BT_SLEEP,
229  	MCI_STATE_SET_BT_AWAKE,
230  	MCI_STATE_SET_BT_CAL_START,
231  	MCI_STATE_SET_BT_CAL,
232  	MCI_STATE_LAST_SCHD_MSG_OFFSET,
233  	MCI_STATE_REMOTE_SLEEP,
234  	MCI_STATE_CONT_STATUS,
235  	MCI_STATE_RESET_REQ_WAKE,
236  	MCI_STATE_SEND_WLAN_COEX_VERSION,
237  	MCI_STATE_SET_BT_COEX_VERSION,
238  	MCI_STATE_SEND_WLAN_CHANNELS,
239  	MCI_STATE_SEND_VERSION_QUERY,
240  	MCI_STATE_SEND_STATUS_QUERY,
241  	MCI_STATE_NEED_FLUSH_BT_INFO,
242  	MCI_STATE_SET_CONCUR_TX_PRI,
243  	MCI_STATE_RECOVER_RX,
244  	MCI_STATE_NEED_FTP_STOMP,
245  	MCI_STATE_NEED_TUNING,
246  	MCI_STATE_NEED_STAT_DEBUG,
247  	MCI_STATE_SHARED_CHAIN_CONCUR_TX,
248  	MCI_STATE_AIC_CAL,
249  	MCI_STATE_AIC_START,
250  	MCI_STATE_AIC_CAL_RESET,
251  	MCI_STATE_AIC_CAL_SINGLE,
252  	MCI_STATE_IS_AR9462,
253  	MCI_STATE_IS_AR9565_1ANT,
254  	MCI_STATE_IS_AR9565_2ANT,
255  	MCI_STATE_WLAN_WEAK_SIGNAL,
256  	MCI_STATE_SET_WLAN_PS_STATE,
257  	MCI_STATE_GET_WLAN_PS_STATE,
258  	MCI_STATE_DEBUG,
259  	MCI_STATE_STAT_DEBUG,
260  	MCI_STATE_ALLOW_FCS,
261  	MCI_STATE_SET_2G_CONTENTION,
262  	MCI_STATE_MAX
263  };
264  
265  enum mci_gpm_coex_opcode {
266  	MCI_GPM_COEX_VERSION_QUERY,
267  	MCI_GPM_COEX_VERSION_RESPONSE,
268  	MCI_GPM_COEX_STATUS_QUERY,
269  	MCI_GPM_COEX_HALT_BT_GPM,
270  	MCI_GPM_COEX_WLAN_CHANNELS,
271  	MCI_GPM_COEX_BT_PROFILE_INFO,
272  	MCI_GPM_COEX_BT_STATUS_UPDATE,
273  	MCI_GPM_COEX_BT_UPDATE_FLAGS,
274  	MCI_GPM_COEX_NOOP,
275  };
276  
277  #define MCI_GPM_NOMORE  0
278  #define MCI_GPM_MORE    1
279  #define MCI_GPM_INVALID 0xffffffff
280  
281  #define MCI_GPM_RECYCLE(_p_gpm)	do {			  \
282  	*(((u32 *)_p_gpm) + MCI_GPM_COEX_W_GPM_PAYLOAD) = \
283  				MCI_GPM_RSVD_PATTERN32;   \
284  } while (0)
285  
286  #define MCI_GPM_TYPE(_p_gpm)	\
287  	(*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) & 0xff)
288  
289  #define MCI_GPM_OPCODE(_p_gpm)	\
290  	(*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) & 0xff)
291  
292  #define MCI_GPM_SET_CAL_TYPE(_p_gpm, _cal_type)	do {			   \
293  	*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_cal_type) & 0xff;\
294  } while (0)
295  
296  #define MCI_GPM_SET_TYPE_OPCODE(_p_gpm, _type, _opcode) do {		   \
297  	*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_TYPE) = (_type) & 0xff;	   \
298  	*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_GPM_OPCODE) = (_opcode) & 0xff;\
299  } while (0)
300  
301  #define MCI_GPM_IS_CAL_TYPE(_type) ((_type) <= MCI_GPM_WLAN_CAL_DONE)
302  
303  /*
304   * Functions that are available to the MCI driver core.
305   */
306  bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
307  			     u32 *payload, u8 len, bool wait_done,
308  			     bool check_bt);
309  u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type);
310  int ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
311  		     u16 len, u32 sched_addr);
312  void ar9003_mci_cleanup(struct ath_hw *ah);
313  void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
314  			      u32 *rx_msg_intr);
315  u32 ar9003_mci_get_next_gpm_offset(struct ath_hw *ah, u32 *more);
316  void ar9003_mci_set_bt_version(struct ath_hw *ah, u8 major, u8 minor);
317  void ar9003_mci_send_wlan_channels(struct ath_hw *ah);
318  /*
319   * These functions are used by ath9k_hw.
320   */
321  
322  #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
323  
324  void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep);
325  void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
326  void ar9003_mci_init_cal_done(struct ath_hw *ah);
327  void ar9003_mci_set_full_sleep(struct ath_hw *ah);
328  void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool force);
329  void ar9003_mci_check_bt(struct ath_hw *ah);
330  bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan);
331  int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
332  			 struct ath9k_hw_cal_data *caldata);
333  int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
334  		     bool is_full_sleep);
335  void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
336  void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah);
337  void ar9003_mci_set_power_awake(struct ath_hw *ah);
338  void ar9003_mci_check_gpm_offset(struct ath_hw *ah);
339  u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode);
340  
341  #else
342  
ar9003_mci_stop_bt(struct ath_hw * ah,bool save_fullsleep)343  static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
344  {
345  }
ar9003_mci_init_cal_req(struct ath_hw * ah,bool * is_reusable)346  static inline void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
347  {
348  }
ar9003_mci_init_cal_done(struct ath_hw * ah)349  static inline void ar9003_mci_init_cal_done(struct ath_hw *ah)
350  {
351  }
ar9003_mci_set_full_sleep(struct ath_hw * ah)352  static inline void ar9003_mci_set_full_sleep(struct ath_hw *ah)
353  {
354  }
ar9003_mci_2g5g_switch(struct ath_hw * ah,bool wait_done)355  static inline void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
356  {
357  }
ar9003_mci_check_bt(struct ath_hw * ah)358  static inline void ar9003_mci_check_bt(struct ath_hw *ah)
359  {
360  }
ar9003_mci_start_reset(struct ath_hw * ah,struct ath9k_channel * chan)361  static inline bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
362  {
363  	return false;
364  }
ar9003_mci_end_reset(struct ath_hw * ah,struct ath9k_channel * chan,struct ath9k_hw_cal_data * caldata)365  static inline int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
366  				       struct ath9k_hw_cal_data *caldata)
367  {
368  	return 0;
369  }
ar9003_mci_reset(struct ath_hw * ah,bool en_int,bool is_2g,bool is_full_sleep)370  static inline void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
371  				    bool is_full_sleep)
372  {
373  }
ar9003_mci_get_isr(struct ath_hw * ah,enum ath9k_int * masked)374  static inline void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
375  {
376  }
ar9003_mci_bt_gain_ctrl(struct ath_hw * ah)377  static inline void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah)
378  {
379  }
ar9003_mci_set_power_awake(struct ath_hw * ah)380  static inline void ar9003_mci_set_power_awake(struct ath_hw *ah)
381  {
382  }
ar9003_mci_check_gpm_offset(struct ath_hw * ah)383  static inline void ar9003_mci_check_gpm_offset(struct ath_hw *ah)
384  {
385  }
ar9003_mci_get_max_txpower(struct ath_hw * ah,u8 ctlmode)386  static inline u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode)
387  {
388  	return -1;
389  }
390  #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
391  
392  #endif
393