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/*
*
* $Id: pvrusb2-i2c-core.h,v 1.1 2006/01/01 08:26:03 mcisely Exp $
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License
*
* 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 __PVRUSB2_I2C_CORE_H
#define __PVRUSB2_I2C_CORE_H
#include <linux/list.h>
#include <linux/i2c.h>
struct pvr2_hdw;
struct pvr2_i2c_client;
struct pvr2_i2c_handler;
struct pvr2_i2c_handler_functions;
struct pvr2_i2c_op;
struct pvr2_i2c_op_functions;
struct pvr2_i2c_client {
struct i2c_client *client;
struct pvr2_i2c_handler *handler;
struct list_head list;
int detected_flag;
int recv_enable;
unsigned long pend_mask;
unsigned long ctl_mask;
};
struct pvr2_i2c_handler {
void *func_data;
const struct pvr2_i2c_handler_functions *func_table;
};
struct pvr2_i2c_handler_functions {
void (*detach)(void *);
int (*check)(void *);
void (*update)(void *);
unsigned int (*describe)(void *,char *,unsigned int);
};
struct pvr2_i2c_op {
int (*check)(struct pvr2_hdw *);
void (*update)(struct pvr2_hdw *);
const char *name;
};
void pvr2_i2c_core_init(struct pvr2_hdw *);
void pvr2_i2c_core_done(struct pvr2_hdw *);
int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg);
int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg);
int pvr2_i2c_core_check_stale(struct pvr2_hdw *);
void pvr2_i2c_core_sync(struct pvr2_hdw *);
unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen);
#define PVR2_I2C_DETAIL_DEBUG 0x0001
#define PVR2_I2C_DETAIL_HANDLER 0x0002
#define PVR2_I2C_DETAIL_CTLMASK 0x0004
#define PVR2_I2C_DETAIL_ALL (\
PVR2_I2C_DETAIL_DEBUG |\
PVR2_I2C_DETAIL_HANDLER |\
PVR2_I2C_DETAIL_CTLMASK)
unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *,
unsigned int detail_mask,
char *buf,unsigned int maxlen);
void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *);
const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx);
#endif /* __PVRUSB2_I2C_CORE_H */
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***
*** mode: c ***
*** fill-column: 75 ***
*** tab-width: 8 ***
*** c-basic-offset: 8 ***
*** End: ***
*/
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