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/* different PM notifications coming from chip */ 45#define LL_SLEEP_IND 0x30 46#define LL_SLEEP_ACK 0x31 47#define LL_WAKE_UP_IND 0x32 48#define LL_WAKE_UP_ACK 0x33 49 50/* initialize and de-init ST LL */ 51long st_ll_init(struct st_data_s *); 52long st_ll_deinit(struct st_data_s *); 53 54/** 55 * enable/disable ST LL along with KIM start/stop 56 * called by ST Core 57 */ 58void st_ll_enable(struct st_data_s *); 59void st_ll_disable(struct st_data_s *); 60 61/** 62 * various funcs used by ST core to set/get the various PM states 63 * of the chip. 64 */ 65unsigned long st_ll_getstate(struct st_data_s *); 66unsigned long st_ll_sleep_state(struct st_data_s *, unsigned char); 67void st_ll_wakeup(struct st_data_s *); 68 69#endif /* ST_LL_H */ 70