158 lines
4.3 KiB
C
158 lines
4.3 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef OMAP3_ISP_STAT_H
|
||
|
|
#define OMAP3_ISP_STAT_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/omap3isp.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 dma_chan;
|
||
|
|
struct ispstat;
|
||
|
|
|
||
|
|
struct ispstat_buffer {
|
||
|
|
struct sg_table sgt;
|
||
|
|
void *virt_addr;
|
||
|
|
dma_addr_t dma_addr;
|
||
|
|
struct timeval 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 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;
|
||
|
|
struct dma_chan *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 */
|