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/* Copyright (C) 2012 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 __NVC_FOCUS_H__
#define __NVC_FOCUS_H__
/* NVC_FOCUS_CAP_VER0: invalid */
/* NVC_FOCUS_CAP_VER1:
* __u32 version
* __u32 actuator_range
* __u32 settle_time
*/
#define NVC_FOCUS_CAP_VER1 1
/* NVC_FOCUS_CAP_VER2 adds:
* __u32 focus_macro;
* __u32 focus_hyper;
* __u32 focus_infinity;
*/
#define NVC_FOCUS_CAP_VER2 2
#define NVC_FOCUS_CAP_VER 2 /* latest version */
#define AF_POS_INVALID_VALUE INT_MAX
/* These are the slew rate values coming down from the configuration */
/* Disabled is the same as fastest. Default is the default */
/* slew rate configuration in the focuser */
#define SLEW_RATE_DISABLED 0
#define SLEW_RATE_DEFAULT 1
#define SLEW_RATE_SLOWEST 9
enum nvc_focus_sts {
NVC_FOCUS_STS_UNKNOWN = 1,
NVC_FOCUS_STS_NO_DEVICE,
NVC_FOCUS_STS_INITIALIZING,
NVC_FOCUS_STS_INIT_ERR,
NVC_FOCUS_STS_WAIT_FOR_MOVE_END,
NVC_FOCUS_STS_WAIT_FOR_SETTLE,
NVC_FOCUS_STS_LENS_SETTLED,
NVC_FOCUS_STS_FORCE32 = 0x7FFFFFFF
};
struct nvc_focus_nvc {
__u32 focal_length;
__u32 fnumber;
__u32 max_aperature;
} __packed;
struct nvc_focus_cap {
__u32 version;
__s32 actuator_range;
__u32 settle_time;
__s32 focus_macro;
__s32 focus_hyper;
__s32 focus_infinity;
__u32 slew_rate;
__u32 position_translate;
} __packed;
#define NV_FOCUSER_SET_MAX 10
#define NV_FOCUSER_SET_DISTANCE_PAIR 16
struct nv_focuser_set_dist_pairs {
__s32 fdn;
__s32 distance;
} __packed;
struct nv_focuser_set {
__s32 posture;
__s32 macro;
__s32 hyper;
__s32 inf;
__s32 hysteresis;
__u32 settle_time;
__s32 macro_offset;
__s32 inf_offset;
__u32 num_dist_pairs;
struct nv_focuser_set_dist_pairs
dist_pair[NV_FOCUSER_SET_DISTANCE_PAIR];
} __packed;
struct nv_focuser_config {
__u32 focal_length;
__u32 fnumber;
__u32 max_aperture;
__s32 actuator_range;
__u32 settle_time;
__u32 range_ends_reversed;
__s32 pos_working_low;
__s32 pos_working_high;
__s32 pos_actual_low;
__s32 pos_actual_high;
__u32 slew_rate;
__u32 circle_of_confusion;
__u32 num_focuser_sets;
struct nv_focuser_set focuser_set[NV_FOCUSER_SET_MAX];
} __packed;
#endif /* __NVC_FOCUS_H__ */
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