| /* | |
| * | |
| * | |
| * 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 *, 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 */ |