1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*/
#ifndef __IA_CSS_BUFFER_H
#define __IA_CSS_BUFFER_H
/* @file
* This file contains datastructures and types for buffers used in CSS
*/
#include <type_support.h>
#include "ia_css_types.h"
#include "ia_css_timer.h"
/* Enumeration of buffer types. Buffers can be queued and de-queued
* to hand them over between IA and ISP.
*/
enum ia_css_buffer_type {
IA_CSS_BUFFER_TYPE_INVALID = -1,
IA_CSS_BUFFER_TYPE_3A_STATISTICS = 0,
IA_CSS_BUFFER_TYPE_DIS_STATISTICS,
IA_CSS_BUFFER_TYPE_LACE_STATISTICS,
IA_CSS_BUFFER_TYPE_INPUT_FRAME,
IA_CSS_BUFFER_TYPE_OUTPUT_FRAME,
IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME,
IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME,
IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME,
IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME,
IA_CSS_BUFFER_TYPE_CUSTOM_INPUT,
IA_CSS_BUFFER_TYPE_CUSTOM_OUTPUT,
IA_CSS_BUFFER_TYPE_METADATA,
IA_CSS_BUFFER_TYPE_PARAMETER_SET,
IA_CSS_BUFFER_TYPE_PER_FRAME_PARAMETER_SET,
IA_CSS_NUM_DYNAMIC_BUFFER_TYPE,
IA_CSS_NUM_BUFFER_TYPE
};
/* Driver API is not SP/ISP visible, 64 bit types not supported on hivecc */
/* Buffer structure. This is a container structure that enables content
* independent buffer queues and access functions.
*/
struct ia_css_buffer {
enum ia_css_buffer_type type; /** Buffer type. */
unsigned int exp_id;
/** exposure id for this buffer; 0 = not available
see ia_css_event_public.h for more detail. */
union {
struct ia_css_isp_3a_statistics
*stats_3a; /** 3A statistics & optionally RGBY statistics. */
struct ia_css_isp_dvs_statistics *stats_dvs; /** DVS statistics. */
struct ia_css_isp_skc_dvs_statistics *stats_skc_dvs; /** SKC DVS statistics. */
struct ia_css_frame *frame; /** Frame buffer. */
struct ia_css_acc_param *custom_data; /** Custom buffer. */
struct ia_css_metadata *metadata; /** Sensor metadata. */
} data; /** Buffer data pointer. */
u64 driver_cookie; /** cookie for the driver */
struct ia_css_time_meas
timing_data; /** timing data (readings from the timer) */
struct ia_css_clock_tick
isys_eof_clock_tick; /** ISYS's end of frame timer tick*/
};
/* @brief Dequeue param buffers from sp2host_queue
*
* @return None
*
* This function must be called at every driver interrupt handler to prevent
* overflow of sp2host_queue.
*/
void
ia_css_dequeue_param_buffers(void);
#endif /* __IA_CSS_BUFFER_H */
|
