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6612a08268
Use a copy of sensor platform data structure, rather than referencing external platform data from the driver. This allows to fill the local copy with values parsed from device tree when needed. 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>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*
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* Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef FIMC_MDEVICE_H_
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#define FIMC_MDEVICE_H_
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/mutex.h>
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#include <media/media-device.h>
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#include <media/media-entity.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-subdev.h>
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#include "fimc-core.h"
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#include "fimc-lite.h"
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#include "mipi-csis.h"
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/* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */
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#define SENSOR_GROUP_ID (1 << 8)
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#define CSIS_GROUP_ID (1 << 9)
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#define WRITEBACK_GROUP_ID (1 << 10)
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#define FIMC_GROUP_ID (1 << 11)
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#define FLITE_GROUP_ID (1 << 12)
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#define FIMC_MAX_SENSORS 8
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#define FIMC_MAX_CAMCLKS 2
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struct fimc_csis_info {
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struct v4l2_subdev *sd;
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int id;
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};
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struct fimc_camclk_info {
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struct clk *clock;
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int use_count;
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unsigned long frequency;
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};
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/**
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* struct fimc_sensor_info - image data source subdev information
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* @pdata: sensor's atrributes passed as media device's platform data
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* @subdev: image sensor v4l2 subdev
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* @host: fimc device the sensor is currently linked to
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*
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* This data structure applies to image sensor and the writeback subdevs.
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*/
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struct fimc_sensor_info {
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struct s5p_fimc_isp_info pdata;
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struct v4l2_subdev *subdev;
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struct fimc_dev *host;
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};
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/**
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* struct fimc_md - fimc media device information
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* @csis: MIPI CSIS subdevs data
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* @sensor: array of registered sensor subdevs
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* @num_sensors: actual number of registered sensors
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* @camclk: external sensor clock information
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* @fimc: array of registered fimc devices
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* @media_dev: top level media device
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* @v4l2_dev: top level v4l2_device holding up the subdevs
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* @pdev: platform device this media device is hooked up into
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* @user_subdev_api: true if subdevs are not configured by the host driver
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* @slock: spinlock protecting @sensor array
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*/
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struct fimc_md {
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struct fimc_csis_info csis[CSIS_MAX_ENTITIES];
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struct fimc_sensor_info sensor[FIMC_MAX_SENSORS];
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int num_sensors;
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struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS];
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struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS];
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struct fimc_dev *fimc[FIMC_MAX_DEVS];
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struct media_device media_dev;
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struct v4l2_device v4l2_dev;
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struct platform_device *pdev;
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bool user_subdev_api;
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spinlock_t slock;
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};
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#define is_subdev_pad(pad) (pad == NULL || \
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media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV)
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#define me_subtype(me) \
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((me->type) & (MEDIA_ENT_TYPE_MASK | MEDIA_ENT_SUBTYPE_MASK))
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#define subdev_has_devnode(__sd) (__sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE)
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static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
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{
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return me->parent == NULL ? NULL :
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container_of(me->parent, struct fimc_md, media_dev);
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}
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static inline void fimc_md_graph_lock(struct fimc_dev *fimc)
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{
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mutex_lock(&fimc->vid_cap.vfd.entity.parent->graph_mutex);
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}
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static inline void fimc_md_graph_unlock(struct fimc_dev *fimc)
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{
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mutex_unlock(&fimc->vid_cap.vfd.entity.parent->graph_mutex);
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}
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int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
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#endif
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