96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
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*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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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 as published by
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* the Free Software Foundation; either version 2 of the License
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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 __PVRUSB2_I2C_CORE_H
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#define __PVRUSB2_I2C_CORE_H
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#include <linux/list.h>
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#include <linux/i2c.h>
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struct pvr2_hdw;
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struct pvr2_i2c_client;
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struct pvr2_i2c_handler;
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struct pvr2_i2c_handler_functions;
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struct pvr2_i2c_op;
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struct pvr2_i2c_op_functions;
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struct pvr2_i2c_client {
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struct i2c_client *client;
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struct pvr2_i2c_handler *handler;
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struct list_head list;
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struct pvr2_hdw *hdw;
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int detected_flag;
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int recv_enable;
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unsigned long pend_mask;
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unsigned long ctl_mask;
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void (*status_poll)(struct pvr2_i2c_client *);
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};
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struct pvr2_i2c_handler {
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void *func_data;
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const struct pvr2_i2c_handler_functions *func_table;
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};
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struct pvr2_i2c_handler_functions {
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void (*detach)(void *);
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int (*check)(void *);
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void (*update)(void *);
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unsigned int (*describe)(void *,char *,unsigned int);
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};
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struct pvr2_i2c_op {
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int (*check)(struct pvr2_hdw *);
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void (*update)(struct pvr2_hdw *);
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const char *name;
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};
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void pvr2_i2c_core_init(struct pvr2_hdw *);
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void pvr2_i2c_core_done(struct pvr2_hdw *);
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int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg);
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int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg);
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int pvr2_i2c_core_check_stale(struct pvr2_hdw *);
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void pvr2_i2c_core_sync(struct pvr2_hdw *);
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void pvr2_i2c_core_status_poll(struct pvr2_hdw *);
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unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen);
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#define PVR2_I2C_DETAIL_DEBUG 0x0001
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#define PVR2_I2C_DETAIL_HANDLER 0x0002
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#define PVR2_I2C_DETAIL_CTLMASK 0x0004
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#define PVR2_I2C_DETAIL_ALL (\
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PVR2_I2C_DETAIL_DEBUG |\
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PVR2_I2C_DETAIL_HANDLER |\
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PVR2_I2C_DETAIL_CTLMASK)
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void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *);
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const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx);
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#endif /* __PVRUSB2_I2C_CORE_H */
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/*
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Stuff for Emacs to see, in order to encourage consistent editing style:
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*** Local Variables: ***
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*** mode: c ***
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*** fill-column: 75 ***
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*** tab-width: 8 ***
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*** c-basic-offset: 8 ***
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*** End: ***
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*/
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