mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
0c9204d342
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
|
|
*
|
|
* 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 FIMC_MDEVICE_H_
|
|
#define FIMC_MDEVICE_H_
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mutex.h>
|
|
#include <media/media-device.h>
|
|
#include <media/media-entity.h>
|
|
#include <media/v4l2-device.h>
|
|
#include <media/v4l2-subdev.h>
|
|
|
|
#include "fimc-core.h"
|
|
#include "fimc-lite.h"
|
|
#include "mipi-csis.h"
|
|
|
|
/* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */
|
|
#define SENSOR_GROUP_ID (1 << 8)
|
|
#define CSIS_GROUP_ID (1 << 9)
|
|
#define WRITEBACK_GROUP_ID (1 << 10)
|
|
#define FIMC_GROUP_ID (1 << 11)
|
|
#define FLITE_GROUP_ID (1 << 12)
|
|
|
|
#define FIMC_MAX_SENSORS 8
|
|
#define FIMC_MAX_CAMCLKS 2
|
|
|
|
struct fimc_csis_info {
|
|
struct v4l2_subdev *sd;
|
|
int id;
|
|
};
|
|
|
|
struct fimc_camclk_info {
|
|
struct clk *clock;
|
|
int use_count;
|
|
unsigned long frequency;
|
|
};
|
|
|
|
/**
|
|
* struct fimc_sensor_info - image data source subdev information
|
|
* @pdata: sensor's atrributes passed as media device's platform data
|
|
* @subdev: image sensor v4l2 subdev
|
|
* @host: fimc device the sensor is currently linked to
|
|
* @clk_on: sclk_cam clock's state associated with this subdev
|
|
*
|
|
* This data structure applies to image sensor and the writeback subdevs.
|
|
*/
|
|
struct fimc_sensor_info {
|
|
struct s5p_fimc_isp_info *pdata;
|
|
struct v4l2_subdev *subdev;
|
|
struct fimc_dev *host;
|
|
bool clk_on;
|
|
};
|
|
|
|
/**
|
|
* struct fimc_md - fimc media device information
|
|
* @csis: MIPI CSIS subdevs data
|
|
* @sensor: array of registered sensor subdevs
|
|
* @num_sensors: actual number of registered sensors
|
|
* @camclk: external sensor clock information
|
|
* @fimc: array of registered fimc devices
|
|
* @media_dev: top level media device
|
|
* @v4l2_dev: top level v4l2_device holding up the subdevs
|
|
* @pdev: platform device this media device is hooked up into
|
|
* @user_subdev_api: true if subdevs are not configured by the host driver
|
|
* @slock: spinlock protecting @sensor array
|
|
*/
|
|
struct fimc_md {
|
|
struct fimc_csis_info csis[CSIS_MAX_ENTITIES];
|
|
struct fimc_sensor_info sensor[FIMC_MAX_SENSORS];
|
|
int num_sensors;
|
|
struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS];
|
|
struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS];
|
|
struct fimc_dev *fimc[FIMC_MAX_DEVS];
|
|
struct media_device media_dev;
|
|
struct v4l2_device v4l2_dev;
|
|
struct platform_device *pdev;
|
|
bool user_subdev_api;
|
|
spinlock_t slock;
|
|
};
|
|
|
|
#define is_subdev_pad(pad) (pad == NULL || \
|
|
media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV)
|
|
|
|
#define me_subtype(me) \
|
|
((me->type) & (MEDIA_ENT_TYPE_MASK | MEDIA_ENT_SUBTYPE_MASK))
|
|
|
|
#define subdev_has_devnode(__sd) (__sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE)
|
|
|
|
static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
|
|
{
|
|
return me->parent == NULL ? NULL :
|
|
container_of(me->parent, struct fimc_md, media_dev);
|
|
}
|
|
|
|
static inline void fimc_md_graph_lock(struct fimc_dev *fimc)
|
|
{
|
|
BUG_ON(fimc->vid_cap.vfd == NULL);
|
|
mutex_lock(&fimc->vid_cap.vfd->entity.parent->graph_mutex);
|
|
}
|
|
|
|
static inline void fimc_md_graph_unlock(struct fimc_dev *fimc)
|
|
{
|
|
BUG_ON(fimc->vid_cap.vfd == NULL);
|
|
mutex_unlock(&fimc->vid_cap.vfd->entity.parent->graph_mutex);
|
|
}
|
|
|
|
int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
|
|
void fimc_pipeline_prepare(struct fimc_pipeline *p, struct media_entity *me);
|
|
int fimc_pipeline_initialize(struct fimc_pipeline *p, struct media_entity *me,
|
|
bool resume);
|
|
int fimc_pipeline_shutdown(struct fimc_pipeline *p);
|
|
int fimc_pipeline_s_power(struct fimc_pipeline *p, bool state);
|
|
int fimc_pipeline_s_stream(struct fimc_pipeline *p, bool state);
|
|
|
|
#endif
|