mirror of
https://github.com/torvalds/linux
synced 2024-10-03 09:48:02 +00:00
2504ba9f59
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 53 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.904365654@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
*
|
|
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
|
|
*/
|
|
#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 *, int *valptr);
|
|
|
|
/* 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 */
|