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/*
* Shared Transport Low Level (ST LL)
*
* Copyright (C) 2009 Texas Instruments
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef ST_LL_H
#define ST_LL_H
#include <linux/skbuff.h>
#include "st.h"
#include "st_core.h"
/* ST LL receiver states */
#define ST_W4_PACKET_TYPE 0
#define ST_BT_W4_EVENT_HDR 1
#define ST_BT_W4_ACL_HDR 2
#define ST_BT_W4_SCO_HDR 3
#define ST_BT_W4_DATA 4
#define ST_FM_W4_EVENT_HDR 5
#define ST_GPS_W4_EVENT_HDR 6
/* ST LL state machines */
#define ST_LL_ASLEEP 0
#define ST_LL_ASLEEP_TO_AWAKE 1
#define ST_LL_AWAKE 2
#define ST_LL_AWAKE_TO_ASLEEP 3
#define ST_LL_INVALID 4
/* different PM notifications coming from chip */
#define LL_SLEEP_IND 0x30
#define LL_SLEEP_ACK 0x31
#define LL_WAKE_UP_IND 0x32
#define LL_WAKE_UP_ACK 0x33
/* initialize and de-init ST LL */
long st_ll_init(struct st_data_s *);
long st_ll_deinit(struct st_data_s *);
/**
* enable/disable ST LL along with KIM start/stop
* called by ST Core
*/
void st_ll_enable(struct st_data_s *);
void st_ll_disable(struct st_data_s *);
/**
* various funcs used by ST core to set/get the various PM states
* of the chip.
*/
unsigned long st_ll_getstate(struct st_data_s *);
unsigned long st_ll_sleep_state(struct st_data_s *, unsigned char);
void st_ll_wakeup(struct st_data_s *);
#endif /* ST_LL_H */
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