drivers/staging/ti-st/st_ll.h

   1 /*
   2  *  Shared Transport Low Level (ST LL)
   3  *
   4  *  Copyright (C) 2009 Texas Instruments
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  published by the Free Software Foundation.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #ifndef ST_LL_H
  22 #define ST_LL_H
  23
  24 #include <linux/skbuff.h>
  25 #include "st.h"
  26 #include "st_core.h"
  27
  28 /* ST LL receiver states */
  29 #define ST_W4_PACKET_TYPE       0
  30 #define ST_BT_W4_EVENT_HDR      1
  31 #define ST_BT_W4_ACL_HDR        2
  32 #define ST_BT_W4_SCO_HDR        3
  33 #define ST_BT_W4_DATA           4
  34 #define ST_FM_W4_EVENT_HDR      5
  35 #define ST_GPS_W4_EVENT_HDR     6
  36
  37 /* ST LL state machines */
  38 #define ST_LL_ASLEEP               0
  39 #define ST_LL_ASLEEP_TO_AWAKE      1
  40 #define ST_LL_AWAKE                2
  41 #define ST_LL_AWAKE_TO_ASLEEP      3
  42 #define ST_LL_INVALID              4
  43
  44 #define LL_SLEEP_IND    0x30
  45 #define LL_SLEEP_ACK    0x31
  46 #define LL_WAKE_UP_IND  0x32
  47 #define LL_WAKE_UP_ACK  0x33
  48
  49 /* initialize and de-init ST LL */
  50 long st_ll_init(struct st_data_s *);
  51 long st_ll_deinit(struct st_data_s *);
  52
  53 /* enable/disable ST LL along with KIM start/stop
  54  * called by ST Core
  55  */
  56 void st_ll_enable(struct st_data_s *);
  57 void st_ll_disable(struct st_data_s *);
  58
  59 unsigned long st_ll_getstate(struct st_data_s *);
  60 unsigned long st_ll_sleep_state(struct st_data_s *, unsigned char);
  61 void st_ll_wakeup(struct st_data_s *);
  62 #endif /* ST_LL_H */