cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pvrusb2-ctrl.h (2989B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *
      4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
      5 */
      6#ifndef __PVRUSB2_CTRL_H
      7#define __PVRUSB2_CTRL_H
      8
      9struct pvr2_ctrl;
     10
     11enum pvr2_ctl_type {
     12	pvr2_ctl_int = 0,
     13	pvr2_ctl_enum = 1,
     14	pvr2_ctl_bitmask = 2,
     15	pvr2_ctl_bool = 3,
     16};
     17
     18
     19/* Set the given control. */
     20int pvr2_ctrl_set_value(struct pvr2_ctrl *,int val);
     21
     22/* Set/clear specific bits of the given control. */
     23int pvr2_ctrl_set_mask_value(struct pvr2_ctrl *,int mask,int val);
     24
     25/* Get the current value of the given control. */
     26int pvr2_ctrl_get_value(struct pvr2_ctrl *,int *valptr);
     27
     28/* Retrieve control's type */
     29enum pvr2_ctl_type pvr2_ctrl_get_type(struct pvr2_ctrl *);
     30
     31/* Retrieve control's maximum value (int type) */
     32int pvr2_ctrl_get_max(struct pvr2_ctrl *);
     33
     34/* Retrieve control's minimum value (int type) */
     35int pvr2_ctrl_get_min(struct pvr2_ctrl *);
     36
     37/* Retrieve control's default value (any type) */
     38int pvr2_ctrl_get_def(struct pvr2_ctrl *, int *valptr);
     39
     40/* Retrieve control's enumeration count (enum only) */
     41int pvr2_ctrl_get_cnt(struct pvr2_ctrl *);
     42
     43/* Retrieve control's valid mask bits (bit mask only) */
     44int pvr2_ctrl_get_mask(struct pvr2_ctrl *);
     45
     46/* Retrieve the control's name */
     47const char *pvr2_ctrl_get_name(struct pvr2_ctrl *);
     48
     49/* Retrieve the control's desc */
     50const char *pvr2_ctrl_get_desc(struct pvr2_ctrl *);
     51
     52/* Retrieve a control enumeration or bit mask value */
     53int pvr2_ctrl_get_valname(struct pvr2_ctrl *,int,char *,unsigned int,
     54			  unsigned int *);
     55
     56/* Return true if control is writable */
     57int pvr2_ctrl_is_writable(struct pvr2_ctrl *);
     58
     59/* Return V4L flags value for control (or zero if there is no v4l control
     60   actually under this control) */
     61unsigned int pvr2_ctrl_get_v4lflags(struct pvr2_ctrl *);
     62
     63/* Return V4L ID for this control or zero if none */
     64int pvr2_ctrl_get_v4lid(struct pvr2_ctrl *);
     65
     66/* Return true if control has custom symbolic representation */
     67int pvr2_ctrl_has_custom_symbols(struct pvr2_ctrl *);
     68
     69/* Convert a given mask/val to a custom symbolic value */
     70int pvr2_ctrl_custom_value_to_sym(struct pvr2_ctrl *,
     71				  int mask,int val,
     72				  char *buf,unsigned int maxlen,
     73				  unsigned int *len);
     74
     75/* Convert a symbolic value to a mask/value pair */
     76int pvr2_ctrl_custom_sym_to_value(struct pvr2_ctrl *,
     77				  const char *buf,unsigned int len,
     78				  int *maskptr,int *valptr);
     79
     80/* Convert a given mask/val to a symbolic value */
     81int pvr2_ctrl_value_to_sym(struct pvr2_ctrl *,
     82			   int mask,int val,
     83			   char *buf,unsigned int maxlen,
     84			   unsigned int *len);
     85
     86/* Convert a symbolic value to a mask/value pair */
     87int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *,
     88			   const char *buf,unsigned int len,
     89			   int *maskptr,int *valptr);
     90
     91/* Convert a given mask/val to a symbolic value - must already be
     92   inside of critical region. */
     93int pvr2_ctrl_value_to_sym_internal(struct pvr2_ctrl *,
     94			   int mask,int val,
     95			   char *buf,unsigned int maxlen,
     96			   unsigned int *len);
     97
     98#endif /* __PVRUSB2_CTRL_H */