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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- *
- * Copyright (C) 2005 Mike Isely <[email protected]>
- */
- #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 */
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