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d3953223 | 1 | /* |
0c9204d3 | 2 | * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd. |
d3953223 SN |
3 | * |
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. | |
7 | */ | |
8 | ||
9 | #ifndef FIMC_MDEVICE_H_ | |
10 | #define FIMC_MDEVICE_H_ | |
11 | ||
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> | |
19 | ||
20 | #include "fimc-core.h" | |
4af81310 | 21 | #include "fimc-lite.h" |
d3953223 SN |
22 | #include "mipi-csis.h" |
23 | ||
4af81310 | 24 | /* Group IDs of sensor, MIPI-CSIS, FIMC-LITE and the writeback subdevs. */ |
d3953223 SN |
25 | #define SENSOR_GROUP_ID (1 << 8) |
26 | #define CSIS_GROUP_ID (1 << 9) | |
27 | #define WRITEBACK_GROUP_ID (1 << 10) | |
693f5c40 | 28 | #define FIMC_GROUP_ID (1 << 11) |
4af81310 | 29 | #define FLITE_GROUP_ID (1 << 12) |
d3953223 SN |
30 | |
31 | #define FIMC_MAX_SENSORS 8 | |
32 | #define FIMC_MAX_CAMCLKS 2 | |
33 | ||
34 | struct fimc_csis_info { | |
35 | struct v4l2_subdev *sd; | |
36 | int id; | |
37 | }; | |
38 | ||
39 | struct fimc_camclk_info { | |
40 | struct clk *clock; | |
41 | int use_count; | |
42 | unsigned long frequency; | |
43 | }; | |
44 | ||
45 | /** | |
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 | |
d3953223 SN |
50 | * |
51 | * This data structure applies to image sensor and the writeback subdevs. | |
52 | */ | |
53 | struct fimc_sensor_info { | |
54 | struct s5p_fimc_isp_info *pdata; | |
55 | struct v4l2_subdev *subdev; | |
56 | struct fimc_dev *host; | |
d3953223 SN |
57 | }; |
58 | ||
59 | /** | |
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 | |
71 | */ | |
72 | struct fimc_md { | |
73 | struct fimc_csis_info csis[CSIS_MAX_ENTITIES]; | |
74 | struct fimc_sensor_info sensor[FIMC_MAX_SENSORS]; | |
75 | int num_sensors; | |
76 | struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS]; | |
4af81310 | 77 | struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS]; |
d3953223 SN |
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; | |
82 | bool user_subdev_api; | |
83 | spinlock_t slock; | |
84 | }; | |
85 | ||
86 | #define is_subdev_pad(pad) (pad == NULL || \ | |
87 | media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV) | |
88 | ||
89 | #define me_subtype(me) \ | |
90 | ((me->type) & (MEDIA_ENT_TYPE_MASK | MEDIA_ENT_SUBTYPE_MASK)) | |
91 | ||
92 | #define subdev_has_devnode(__sd) (__sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE) | |
93 | ||
94 | static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me) | |
95 | { | |
96 | return me->parent == NULL ? NULL : | |
97 | container_of(me->parent, struct fimc_md, media_dev); | |
98 | } | |
99 | ||
100 | static inline void fimc_md_graph_lock(struct fimc_dev *fimc) | |
101 | { | |
102 | BUG_ON(fimc->vid_cap.vfd == NULL); | |
103 | mutex_lock(&fimc->vid_cap.vfd->entity.parent->graph_mutex); | |
104 | } | |
105 | ||
106 | static inline void fimc_md_graph_unlock(struct fimc_dev *fimc) | |
107 | { | |
108 | BUG_ON(fimc->vid_cap.vfd == NULL); | |
109 | mutex_unlock(&fimc->vid_cap.vfd->entity.parent->graph_mutex); | |
110 | } | |
111 | ||
112 | int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on); | |
0f735f52 SN |
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, | |
d3953223 | 115 | bool resume); |
0f735f52 SN |
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); | |
d3953223 SN |
119 | |
120 | #endif |