91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
|
|
* Shared Transport Header file
|
|
* To be included by the protocol stack drivers for
|
|
* Texas Instruments BT,FM and GPS combo chip drivers
|
|
*
|
|
* 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_H
|
|
#define ST_H
|
|
|
|
#include <linux/skbuff.h>
|
|
/*
|
|
* st.h
|
|
*/
|
|
|
|
/* TODO:
|
|
* Move the following to tty.h upon acceptance
|
|
*/
|
|
#define N_TI_WL 20 /* Ldisc for TI's WL BT, FM, GPS combo chips */
|
|
|
|
/* some gpios have active high, others like fm have
|
|
* active low
|
|
*/
|
|
enum kim_gpio_state {
|
|
KIM_GPIO_INACTIVE,
|
|
KIM_GPIO_ACTIVE,
|
|
};
|
|
/*
|
|
* the list of protocols on chip
|
|
*/
|
|
enum proto_type {
|
|
ST_BT,
|
|
ST_FM,
|
|
ST_GPS,
|
|
ST_MAX,
|
|
};
|
|
|
|
enum {
|
|
ST_ERR_FAILURE = -1, /* check struct */
|
|
ST_SUCCESS,
|
|
ST_ERR_PENDING = -5, /* to call reg_complete_cb */
|
|
ST_ERR_ALREADY, /* already registered */
|
|
ST_ERR_INPROGRESS,
|
|
ST_ERR_NOPROTO, /* protocol not supported */
|
|
};
|
|
|
|
/* per protocol structure
|
|
* for BT/FM and GPS
|
|
*/
|
|
struct st_proto_s {
|
|
enum proto_type type;
|
|
/*
|
|
* to be called by ST when data arrives
|
|
*/
|
|
long (*recv) (struct sk_buff *);
|
|
/*
|
|
* for future use, logic now to be in ST
|
|
*/
|
|
unsigned char (*match_packet) (const unsigned char *data);
|
|
/*
|
|
* subsequent registration return PENDING,
|
|
* signalled complete by this callback function
|
|
*/
|
|
void (*reg_complete_cb) (char data);
|
|
/*
|
|
* write function, sent in as NULL and to be returned to
|
|
* protocol drivers
|
|
*/
|
|
long (*write) (struct sk_buff *skb);
|
|
};
|
|
|
|
extern long st_register(struct st_proto_s *new_proto);
|
|
extern long st_unregister(enum proto_type type);
|
|
|
|
#endif /* ST_H */
|