mirror of https://gitee.com/openkylin/linux.git
124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/*
|
|
*
|
|
* $Id$
|
|
*
|
|
* 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_CTRL_H
|
|
#define __PVRUSB2_CTRL_H
|
|
|
|
struct pvr2_ctrl;
|
|
|
|
enum pvr2_ctl_type {
|
|
pvr2_ctl_int = 0,
|
|
pvr2_ctl_enum = 1,
|
|
pvr2_ctl_bitmask = 2,
|
|
pvr2_ctl_bool = 3,
|
|
};
|
|
|
|
|
|
/* Set the given control. */
|
|
int pvr2_ctrl_set_value(struct pvr2_ctrl *,int val);
|
|
|
|
/* Set/clear specific bits of the given control. */
|
|
int pvr2_ctrl_set_mask_value(struct pvr2_ctrl *,int mask,int val);
|
|
|
|
/* Get the current value of the given control. */
|
|
int pvr2_ctrl_get_value(struct pvr2_ctrl *,int *valptr);
|
|
|
|
/* Retrieve control's type */
|
|
enum pvr2_ctl_type pvr2_ctrl_get_type(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve control's maximum value (int type) */
|
|
int pvr2_ctrl_get_max(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve control's minimum value (int type) */
|
|
int pvr2_ctrl_get_min(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve control's default value (any type) */
|
|
int pvr2_ctrl_get_def(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve control's enumeration count (enum only) */
|
|
int pvr2_ctrl_get_cnt(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve control's valid mask bits (bit mask only) */
|
|
int pvr2_ctrl_get_mask(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve the control's name */
|
|
const char *pvr2_ctrl_get_name(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve the control's desc */
|
|
const char *pvr2_ctrl_get_desc(struct pvr2_ctrl *);
|
|
|
|
/* Retrieve a control enumeration or bit mask value */
|
|
int pvr2_ctrl_get_valname(struct pvr2_ctrl *,int,char *,unsigned int,
|
|
unsigned int *);
|
|
|
|
/* Return true if control is writable */
|
|
int pvr2_ctrl_is_writable(struct pvr2_ctrl *);
|
|
|
|
/* Return V4L flags value for control (or zero if there is no v4l control
|
|
actually under this control) */
|
|
unsigned int pvr2_ctrl_get_v4lflags(struct pvr2_ctrl *);
|
|
|
|
/* Return V4L ID for this control or zero if none */
|
|
int pvr2_ctrl_get_v4lid(struct pvr2_ctrl *);
|
|
|
|
/* Return true if control has custom symbolic representation */
|
|
int pvr2_ctrl_has_custom_symbols(struct pvr2_ctrl *);
|
|
|
|
/* Convert a given mask/val to a custom symbolic value */
|
|
int pvr2_ctrl_custom_value_to_sym(struct pvr2_ctrl *,
|
|
int mask,int val,
|
|
char *buf,unsigned int maxlen,
|
|
unsigned int *len);
|
|
|
|
/* Convert a symbolic value to a mask/value pair */
|
|
int pvr2_ctrl_custom_sym_to_value(struct pvr2_ctrl *,
|
|
const char *buf,unsigned int len,
|
|
int *maskptr,int *valptr);
|
|
|
|
/* Convert a given mask/val to a symbolic value */
|
|
int pvr2_ctrl_value_to_sym(struct pvr2_ctrl *,
|
|
int mask,int val,
|
|
char *buf,unsigned int maxlen,
|
|
unsigned int *len);
|
|
|
|
/* Convert a symbolic value to a mask/value pair */
|
|
int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *,
|
|
const char *buf,unsigned int len,
|
|
int *maskptr,int *valptr);
|
|
|
|
/* Convert a given mask/val to a symbolic value - must already be
|
|
inside of critical region. */
|
|
int pvr2_ctrl_value_to_sym_internal(struct pvr2_ctrl *,
|
|
int mask,int val,
|
|
char *buf,unsigned int maxlen,
|
|
unsigned int *len);
|
|
|
|
#endif /* __PVRUSB2_CTRL_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: ***
|
|
*/
|