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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* ispstat.h
*
* TI OMAP3 ISP - Statistics core
*
* Copyright (C) 2010 Nokia Corporation
* Copyright (C) 2009 Texas Instruments, Inc
*
* Contacts: David Cohen <dacohen@gmail.com>
* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
* Sakari Ailus <sakari.ailus@iki.fi>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef OMAP3_ISP_STAT_H
#define OMAP3_ISP_STAT_H
#include <linux/types.h>
#include <linux/omap3isp.h>
#include <linux/omap-dma.h>
#include <media/v4l2-event.h>
#include "isp.h"
#include "ispvideo.h"
#define STAT_MAX_BUFS 5
#define STAT_NEVENTS 8
#define STAT_BUF_DONE 0 /* Buffer is ready */
#define STAT_NO_BUF 1 /* An error has occurred */
#define STAT_BUF_WAITING_DMA 2 /* Histogram only: DMA is running */
struct ispstat;
struct ispstat_buffer {
unsigned long iommu_addr;
struct iovm_struct *iovm;
void *virt_addr;
dma_addr_t dma_addr;
struct timespec ts;
u32 buf_size;
u32 frame_number;
u16 config_counter;
u8 empty;
};
struct ispstat_ops {
/*
* Validate new params configuration.
* new_conf->buf_size value must be changed to the exact buffer size
* necessary for the new configuration if it's smaller.
*/
int (*validate_params)(struct ispstat *stat, void *new_conf);
/*
* Save new params configuration.
* stat->priv->buf_size value must be set to the exact buffer size for
* the new configuration.
* stat->update is set to 1 if new configuration is different than
* current one.
*/
void (*set_params)(struct ispstat *stat, void *new_conf);
/* Apply stored configuration. */
void (*setup_regs)(struct ispstat *stat, void *priv);
/* Enable/Disable module. */
void (*enable)(struct ispstat *stat, int enable);
/* Verify is module is busy. */
int (*busy)(struct ispstat *stat);
/* Used for specific operations during generic buf process task. */
int (*buf_process)(struct ispstat *stat);
};
enum ispstat_state_t {
ISPSTAT_DISABLED = 0,
ISPSTAT_DISABLING,
ISPSTAT_ENABLED,
ISPSTAT_ENABLING,
ISPSTAT_SUSPENDED,
};
struct ispstat {
struct v4l2_subdev subdev;
struct media_pad pad; /* sink pad */
/* Control */
unsigned configured:1;
unsigned update:1;
unsigned buf_processing:1;
unsigned sbl_ovl_recover:1;
u8 inc_config;
atomic_t buf_err;
enum ispstat_state_t state; /* enabling/disabling state */
struct omap_dma_channel_params dma_config;
struct isp_device *isp;
void *priv; /* pointer to priv config struct */
void *recover_priv; /* pointer to recover priv configuration */
struct mutex ioctl_lock; /* serialize private ioctl */
const struct ispstat_ops *ops;
/* Buffer */
u8 wait_acc_frames;
u16 config_counter;
u32 frame_number;
u32 buf_size;
u32 buf_alloc_size;
int dma_ch;
unsigned long event_type;
struct ispstat_buffer *buf;
struct ispstat_buffer *active_buf;
struct ispstat_buffer *locked_buf;
};
struct ispstat_generic_config {
/*
* Fields must be in the same order as in:
* - omap3isp_h3a_aewb_config
* - omap3isp_h3a_af_config
* - omap3isp_hist_config
*/
u32 buf_size;
u16 config_counter;
};
int omap3isp_stat_config(struct ispstat *stat, void *new_conf);
int omap3isp_stat_request_statistics(struct ispstat *stat,
struct omap3isp_stat_data *data);
int omap3isp_stat_init(struct ispstat *stat, const char *name,
const struct v4l2_subdev_ops *sd_ops);
void omap3isp_stat_cleanup(struct ispstat *stat);
int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev,
struct v4l2_fh *fh,
struct v4l2_event_subscription *sub);
int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable);
int omap3isp_stat_busy(struct ispstat *stat);
int omap3isp_stat_pcr_busy(struct ispstat *stat);
void omap3isp_stat_suspend(struct ispstat *stat);
void omap3isp_stat_resume(struct ispstat *stat);
int omap3isp_stat_enable(struct ispstat *stat, u8 enable);
void omap3isp_stat_sbl_overflow(struct ispstat *stat);
void omap3isp_stat_isr(struct ispstat *stat);
void omap3isp_stat_isr_frame_sync(struct ispstat *stat);
void omap3isp_stat_dma_isr(struct ispstat *stat);
int omap3isp_stat_register_entities(struct ispstat *stat,
struct v4l2_device *vdev);
void omap3isp_stat_unregister_entities(struct ispstat *stat);
#endif /* OMAP3_ISP_STAT_H */
|
