4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License
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.
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
20 #ifndef __PVRUSB2_I2C_CORE_H
21 #define __PVRUSB2_I2C_CORE_H
23 #include <linux/list.h>
24 #include <linux/i2c.h>
27 struct pvr2_i2c_client
;
28 struct pvr2_i2c_handler
;
29 struct pvr2_i2c_handler_functions
;
31 struct pvr2_i2c_op_functions
;
33 struct pvr2_i2c_client
{
34 struct i2c_client
*client
;
35 struct pvr2_i2c_handler
*handler
;
36 struct list_head list
;
40 unsigned long pend_mask
;
41 unsigned long ctl_mask
;
42 void (*status_poll
)(struct pvr2_i2c_client
*);
45 struct pvr2_i2c_handler
{
47 const struct pvr2_i2c_handler_functions
*func_table
;
50 struct pvr2_i2c_handler_functions
{
51 void (*detach
)(void *);
53 void (*update
)(void *);
54 unsigned int (*describe
)(void *,char *,unsigned int);
58 int (*check
)(struct pvr2_hdw
*);
59 void (*update
)(struct pvr2_hdw
*);
63 void pvr2_i2c_core_init(struct pvr2_hdw
*);
64 void pvr2_i2c_core_done(struct pvr2_hdw
*);
66 int pvr2_i2c_client_cmd(struct pvr2_i2c_client
*,unsigned int cmd
,void *arg
);
67 int pvr2_i2c_core_cmd(struct pvr2_hdw
*,unsigned int cmd
,void *arg
);
69 int pvr2_i2c_core_check_stale(struct pvr2_hdw
*);
70 void pvr2_i2c_core_sync(struct pvr2_hdw
*);
71 void pvr2_i2c_core_status_poll(struct pvr2_hdw
*);
72 unsigned int pvr2_i2c_report(struct pvr2_hdw
*,char *buf
,unsigned int maxlen
);
73 #define PVR2_I2C_DETAIL_DEBUG 0x0001
74 #define PVR2_I2C_DETAIL_HANDLER 0x0002
75 #define PVR2_I2C_DETAIL_CTLMASK 0x0004
76 #define PVR2_I2C_DETAIL_ALL (\
77 PVR2_I2C_DETAIL_DEBUG |\
78 PVR2_I2C_DETAIL_HANDLER |\
79 PVR2_I2C_DETAIL_CTLMASK)
81 void pvr2_i2c_probe(struct pvr2_hdw
*,struct pvr2_i2c_client
*);
82 const struct pvr2_i2c_op
*pvr2_i2c_get_op(unsigned int idx
);
84 #endif /* __PVRUSB2_I2C_CORE_H */
88 Stuff for Emacs to see, in order to encourage consistent editing style:
89 *** Local Variables: ***
91 *** fill-column: 75 ***
93 *** c-basic-offset: 8 ***