2 * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #ifndef FIMC_MDEVICE_H_
10 #define FIMC_MDEVICE_H_
12 #include <linux/clk.h>
13 #include <linux/platform_device.h>
14 #include <linux/mutex.h>
15 #include <media/media-device.h>
16 #include <media/media-entity.h>
17 #include <media/v4l2-device.h>
18 #include <media/v4l2-subdev.h>
20 #include "fimc-core.h"
21 #include "fimc-lite.h"
22 #include "mipi-csis.h"
24 /* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */
25 #define SENSOR_GROUP_ID (1 << 8)
26 #define CSIS_GROUP_ID (1 << 9)
27 #define WRITEBACK_GROUP_ID (1 << 10)
28 #define FIMC_GROUP_ID (1 << 11)
29 #define FLITE_GROUP_ID (1 << 12)
31 #define FIMC_MAX_SENSORS 8
32 #define FIMC_MAX_CAMCLKS 2
34 struct fimc_csis_info
{
35 struct v4l2_subdev
*sd
;
39 struct fimc_camclk_info
{
42 unsigned long frequency
;
46 * struct fimc_sensor_info - image data source subdev information
47 * @pdata: sensor's atrributes passed as media device's platform data
48 * @subdev: image sensor v4l2 subdev
49 * @host: fimc device the sensor is currently linked to
51 * This data structure applies to image sensor and the writeback subdevs.
53 struct fimc_sensor_info
{
54 struct s5p_fimc_isp_info
*pdata
;
55 struct v4l2_subdev
*subdev
;
56 struct fimc_dev
*host
;
60 * struct fimc_md - fimc media device information
61 * @csis: MIPI CSIS subdevs data
62 * @sensor: array of registered sensor subdevs
63 * @num_sensors: actual number of registered sensors
64 * @camclk: external sensor clock information
65 * @fimc: array of registered fimc devices
66 * @media_dev: top level media device
67 * @v4l2_dev: top level v4l2_device holding up the subdevs
68 * @pdev: platform device this media device is hooked up into
69 * @user_subdev_api: true if subdevs are not configured by the host driver
70 * @slock: spinlock protecting @sensor array
73 struct fimc_csis_info csis
[CSIS_MAX_ENTITIES
];
74 struct fimc_sensor_info sensor
[FIMC_MAX_SENSORS
];
76 struct fimc_camclk_info camclk
[FIMC_MAX_CAMCLKS
];
77 struct fimc_lite
*fimc_lite
[FIMC_LITE_MAX_DEVS
];
78 struct fimc_dev
*fimc
[FIMC_MAX_DEVS
];
79 struct media_device media_dev
;
80 struct v4l2_device v4l2_dev
;
81 struct platform_device
*pdev
;
86 #define is_subdev_pad(pad) (pad == NULL || \
87 media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV)
89 #define me_subtype(me) \
90 ((me->type) & (MEDIA_ENT_TYPE_MASK | MEDIA_ENT_SUBTYPE_MASK))
92 #define subdev_has_devnode(__sd) (__sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE)
94 static inline struct fimc_md
*entity_to_fimc_mdev(struct media_entity
*me
)
96 return me
->parent
== NULL
? NULL
:
97 container_of(me
->parent
, struct fimc_md
, media_dev
);
100 static inline void fimc_md_graph_lock(struct fimc_dev
*fimc
)
102 BUG_ON(fimc
->vid_cap
.vfd
== NULL
);
103 mutex_lock(&fimc
->vid_cap
.vfd
->entity
.parent
->graph_mutex
);
106 static inline void fimc_md_graph_unlock(struct fimc_dev
*fimc
)
108 BUG_ON(fimc
->vid_cap
.vfd
== NULL
);
109 mutex_unlock(&fimc
->vid_cap
.vfd
->entity
.parent
->graph_mutex
);
112 int fimc_md_set_camclk(struct v4l2_subdev
*sd
, bool on
);
113 void fimc_pipeline_prepare(struct fimc_pipeline
*p
, struct media_entity
*me
);
114 int fimc_pipeline_initialize(struct fimc_pipeline
*p
, struct media_entity
*me
,
116 int fimc_pipeline_shutdown(struct fimc_pipeline
*p
);
117 int fimc_pipeline_s_power(struct fimc_pipeline
*p
, bool state
);
118 int fimc_pipeline_s_stream(struct fimc_pipeline
*p
, bool state
);
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