diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-ctrl.h')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-ctrl.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.h b/drivers/media/video/pvrusb2/pvrusb2-ctrl.h new file mode 100644 index 000000000000..c1680053cd64 --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.h | |||
@@ -0,0 +1,123 @@ | |||
1 | /* | ||
2 | * | ||
3 | * $Id$ | ||
4 | * | ||
5 | * Copyright (C) 2005 Mike Isely <isely@pobox.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | * | ||
20 | */ | ||
21 | #ifndef __PVRUSB2_CTRL_H | ||
22 | #define __PVRUSB2_CTRL_H | ||
23 | |||
24 | struct pvr2_ctrl; | ||
25 | |||
26 | enum pvr2_ctl_type { | ||
27 | pvr2_ctl_int = 0, | ||
28 | pvr2_ctl_enum = 1, | ||
29 | pvr2_ctl_bitmask = 2, | ||
30 | pvr2_ctl_bool = 3, | ||
31 | }; | ||
32 | |||
33 | |||
34 | /* Set the given control. */ | ||
35 | int pvr2_ctrl_set_value(struct pvr2_ctrl *,int val); | ||
36 | |||
37 | /* Set/clear specific bits of the given control. */ | ||
38 | int pvr2_ctrl_set_mask_value(struct pvr2_ctrl *,int mask,int val); | ||
39 | |||
40 | /* Get the current value of the given control. */ | ||
41 | int pvr2_ctrl_get_value(struct pvr2_ctrl *,int *valptr); | ||
42 | |||
43 | /* Retrieve control's type */ | ||
44 | enum pvr2_ctl_type pvr2_ctrl_get_type(struct pvr2_ctrl *); | ||
45 | |||
46 | /* Retrieve control's maximum value (int type) */ | ||
47 | int pvr2_ctrl_get_max(struct pvr2_ctrl *); | ||
48 | |||
49 | /* Retrieve control's minimum value (int type) */ | ||
50 | int pvr2_ctrl_get_min(struct pvr2_ctrl *); | ||
51 | |||
52 | /* Retrieve control's default value (any type) */ | ||
53 | int pvr2_ctrl_get_def(struct pvr2_ctrl *); | ||
54 | |||
55 | /* Retrieve control's enumeration count (enum only) */ | ||
56 | int pvr2_ctrl_get_cnt(struct pvr2_ctrl *); | ||
57 | |||
58 | /* Retrieve control's valid mask bits (bit mask only) */ | ||
59 | int pvr2_ctrl_get_mask(struct pvr2_ctrl *); | ||
60 | |||
61 | /* Retrieve the control's name */ | ||
62 | const char *pvr2_ctrl_get_name(struct pvr2_ctrl *); | ||
63 | |||
64 | /* Retrieve the control's desc */ | ||
65 | const char *pvr2_ctrl_get_desc(struct pvr2_ctrl *); | ||
66 | |||
67 | /* Retrieve a control enumeration or bit mask value */ | ||
68 | int pvr2_ctrl_get_valname(struct pvr2_ctrl *,int,char *,unsigned int, | ||
69 | unsigned int *); | ||
70 | |||
71 | /* Return true if control is writable */ | ||
72 | int pvr2_ctrl_is_writable(struct pvr2_ctrl *); | ||
73 | |||
74 | /* Return V4L flags value for control (or zero if there is no v4l control | ||
75 | actually under this control) */ | ||
76 | unsigned int pvr2_ctrl_get_v4lflags(struct pvr2_ctrl *); | ||
77 | |||
78 | /* Return V4L ID for this control or zero if none */ | ||
79 | int pvr2_ctrl_get_v4lid(struct pvr2_ctrl *); | ||
80 | |||
81 | /* Return true if control has custom symbolic representation */ | ||
82 | int pvr2_ctrl_has_custom_symbols(struct pvr2_ctrl *); | ||
83 | |||
84 | /* Convert a given mask/val to a custom symbolic value */ | ||
85 | int pvr2_ctrl_custom_value_to_sym(struct pvr2_ctrl *, | ||
86 | int mask,int val, | ||
87 | char *buf,unsigned int maxlen, | ||
88 | unsigned int *len); | ||
89 | |||
90 | /* Convert a symbolic value to a mask/value pair */ | ||
91 | int pvr2_ctrl_custom_sym_to_value(struct pvr2_ctrl *, | ||
92 | const char *buf,unsigned int len, | ||
93 | int *maskptr,int *valptr); | ||
94 | |||
95 | /* Convert a given mask/val to a symbolic value */ | ||
96 | int pvr2_ctrl_value_to_sym(struct pvr2_ctrl *, | ||
97 | int mask,int val, | ||
98 | char *buf,unsigned int maxlen, | ||
99 | unsigned int *len); | ||
100 | |||
101 | /* Convert a symbolic value to a mask/value pair */ | ||
102 | int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *, | ||
103 | const char *buf,unsigned int len, | ||
104 | int *maskptr,int *valptr); | ||
105 | |||
106 | /* Convert a given mask/val to a symbolic value - must already be | ||
107 | inside of critical region. */ | ||
108 | int pvr2_ctrl_value_to_sym_internal(struct pvr2_ctrl *, | ||
109 | int mask,int val, | ||
110 | char *buf,unsigned int maxlen, | ||
111 | unsigned int *len); | ||
112 | |||
113 | #endif /* __PVRUSB2_CTRL_H */ | ||
114 | |||
115 | /* | ||
116 | Stuff for Emacs to see, in order to encourage consistent editing style: | ||
117 | *** Local Variables: *** | ||
118 | *** mode: c *** | ||
119 | *** fill-column: 75 *** | ||
120 | *** tab-width: 8 *** | ||
121 | *** c-basic-offset: 8 *** | ||
122 | *** End: *** | ||
123 | */ | ||