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_TRACK_H
21 #define __PVRUSB2_I2C_TRACK_H
23 #include <linux/list.h>
24 #include <linux/i2c.h>
25 #include <media/v4l2-device.h>
29 struct pvr2_i2c_client;
30 struct pvr2_i2c_handler;
31 struct pvr2_i2c_handler_functions;
33 struct pvr2_i2c_op_functions;
35 struct pvr2_i2c_client {
36 struct i2c_client *client;
37 struct pvr2_i2c_handler *handler;
38 struct list_head list;
42 unsigned long pend_mask;
43 unsigned long ctl_mask;
44 void (*status_poll)(struct pvr2_i2c_client *);
47 struct pvr2_i2c_handler {
49 const struct pvr2_i2c_handler_functions *func_table;
52 struct pvr2_i2c_handler_functions {
53 void (*detach)(void *);
55 void (*update)(void *);
56 unsigned int (*describe)(void *,char *,unsigned int);
60 int (*check)(struct pvr2_hdw *);
61 void (*update)(struct pvr2_hdw *);
65 void pvr2_i2c_track_init(struct pvr2_hdw *);
66 void pvr2_i2c_track_done(struct pvr2_hdw *);
67 void pvr2_i2c_track_attach_inform(struct i2c_client *);
68 void pvr2_i2c_track_detach_inform(struct i2c_client *);
70 int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg);
71 int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg);
73 int pvr2_i2c_core_check_stale(struct pvr2_hdw *);
74 void pvr2_i2c_core_sync(struct pvr2_hdw *);
75 void pvr2_i2c_core_status_poll(struct pvr2_hdw *);
76 unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen);
77 #define PVR2_I2C_DETAIL_DEBUG 0x0001
78 #define PVR2_I2C_DETAIL_HANDLER 0x0002
79 #define PVR2_I2C_DETAIL_CTLMASK 0x0004
80 #define PVR2_I2C_DETAIL_ALL (\
81 PVR2_I2C_DETAIL_DEBUG |\
82 PVR2_I2C_DETAIL_HANDLER |\
83 PVR2_I2C_DETAIL_CTLMASK)
85 void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *);
86 const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx);
88 void pvr2_i2c_untrack_subdev(struct pvr2_hdw *, struct v4l2_subdev *sd);
91 #endif /* __PVRUSB2_I2C_CORE_H */
95 Stuff for Emacs to see, in order to encourage consistent editing style:
96 *** Local Variables: ***
98 *** fill-column: 75 ***
100 *** c-basic-offset: 8 ***