![Pavan Savoy](/assets/img/avatar_default.png)
Texas Instruments BT, FM and GPS combo chips/drivers make use of a single TTY to communicate with the chip. This module constitutes the proprietary power management protocol from TI for the BT/FM/GPS combo chips Signed-off-by: Pavan Savoy <pavan_savoy@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Shared Transport Low Level (ST LL)
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*
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* Copyright (C) 2009 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef ST_LL_H
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#define ST_LL_H
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#include <linux/skbuff.h>
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#include "st.h"
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#include "st_core.h"
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/* ST LL receiver states */
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#define ST_W4_PACKET_TYPE 0
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#define ST_BT_W4_EVENT_HDR 1
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#define ST_BT_W4_ACL_HDR 2
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#define ST_BT_W4_SCO_HDR 3
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#define ST_BT_W4_DATA 4
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#define ST_FM_W4_EVENT_HDR 5
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#define ST_GPS_W4_EVENT_HDR 6
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/* ST LL state machines */
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#define ST_LL_ASLEEP 0
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#define ST_LL_ASLEEP_TO_AWAKE 1
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#define ST_LL_AWAKE 2
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#define ST_LL_AWAKE_TO_ASLEEP 3
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#define ST_LL_INVALID 4
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#define LL_SLEEP_IND 0x30
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#define LL_SLEEP_ACK 0x31
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#define LL_WAKE_UP_IND 0x32
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#define LL_WAKE_UP_ACK 0x33
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/* initialize and de-init ST LL */
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long st_ll_init(struct st_data_s *);
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long st_ll_deinit(struct st_data_s *);
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/* enable/disable ST LL along with KIM start/stop
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* called by ST Core
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*/
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void st_ll_enable(struct st_data_s *);
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void st_ll_disable(struct st_data_s *);
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unsigned long st_ll_getstate(struct st_data_s *);
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unsigned long st_ll_sleep_state(struct st_data_s *, unsigned char);
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void st_ll_wakeup(struct st_data_s *);
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#endif /* ST_LL_H */
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