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26e0ca22 LP |
1 | /* |
2 | * vsp1_entity.h -- R-Car VSP1 Base Entity | |
3 | * | |
8a1edc55 | 4 | * Copyright (C) 2013-2014 Renesas Electronics Corporation |
26e0ca22 LP |
5 | * |
6 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | #ifndef __VSP1_ENTITY_H__ | |
14 | #define __VSP1_ENTITY_H__ | |
15 | ||
16 | #include <linux/list.h> | |
adb8963f | 17 | #include <linux/spinlock.h> |
26e0ca22 LP |
18 | |
19 | #include <media/v4l2-subdev.h> | |
20 | ||
21 | struct vsp1_device; | |
5e8dbbf3 | 22 | struct vsp1_dl_list; |
83dd019d | 23 | struct vsp1_pipeline; |
26e0ca22 LP |
24 | |
25 | enum vsp1_entity_type { | |
629bb6d4 | 26 | VSP1_ENTITY_BRU, |
1fd87bf2 | 27 | VSP1_ENTITY_CLU, |
5cdf5741 LP |
28 | VSP1_ENTITY_HSI, |
29 | VSP1_ENTITY_HST, | |
26e0ca22 | 30 | VSP1_ENTITY_LIF, |
989af883 | 31 | VSP1_ENTITY_LUT, |
26e0ca22 | 32 | VSP1_ENTITY_RPF, |
a626e64e | 33 | VSP1_ENTITY_SRU, |
26e0ca22 LP |
34 | VSP1_ENTITY_UDS, |
35 | VSP1_ENTITY_WPF, | |
36 | }; | |
37 | ||
a96c5fa4 LP |
38 | #define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */ |
39 | ||
d9b45ed3 LP |
40 | /* |
41 | * struct vsp1_route - Entity routing configuration | |
42 | * @type: Entity type this routing entry is associated with | |
43 | * @index: Entity index this routing entry is associated with | |
44 | * @reg: Output routing configuration register | |
45 | * @inputs: Target node value for each input | |
44f46198 | 46 | * @output: Target node value for entity output |
d9b45ed3 LP |
47 | * |
48 | * Each $vsp1_route entry describes routing configuration for the entity | |
49 | * specified by the entry's @type and @index. @reg indicates the register that | |
50 | * holds output routing configuration for the entity, and the @inputs array | |
44f46198 LP |
51 | * store the target node value for each input of the entity. The @output field |
52 | * stores the target node value of the entity output when used as a source for | |
53 | * histogram generation. | |
d9b45ed3 LP |
54 | */ |
55 | struct vsp1_route { | |
56 | enum vsp1_entity_type type; | |
57 | unsigned int index; | |
58 | unsigned int reg; | |
a96c5fa4 | 59 | unsigned int inputs[VSP1_ENTITY_MAX_INPUTS]; |
44f46198 | 60 | unsigned int output; |
d9b45ed3 LP |
61 | }; |
62 | ||
52434534 LP |
63 | /** |
64 | * struct vsp1_entity_operations - Entity operations | |
65 | * @destroy: Destroy the entity. | |
66 | * @set_memory: Setup memory buffer access. This operation applies the settings | |
5e8dbbf3 LP |
67 | * stored in the rwpf mem field to the display list. Valid for RPF |
68 | * and WPF only. | |
7b905f05 LP |
69 | * @configure: Setup the hardware based on the entity state (pipeline, formats, |
70 | * selection rectangles, ...) | |
52434534 LP |
71 | */ |
72 | struct vsp1_entity_operations { | |
73 | void (*destroy)(struct vsp1_entity *); | |
5e8dbbf3 | 74 | void (*set_memory)(struct vsp1_entity *, struct vsp1_dl_list *dl); |
83dd019d | 75 | void (*configure)(struct vsp1_entity *, struct vsp1_pipeline *, |
fc845e52 | 76 | struct vsp1_dl_list *, bool); |
52434534 LP |
77 | }; |
78 | ||
26e0ca22 LP |
79 | struct vsp1_entity { |
80 | struct vsp1_device *vsp1; | |
81 | ||
52434534 | 82 | const struct vsp1_entity_operations *ops; |
ef9621bc | 83 | |
26e0ca22 LP |
84 | enum vsp1_entity_type type; |
85 | unsigned int index; | |
d9b45ed3 | 86 | const struct vsp1_route *route; |
26e0ca22 LP |
87 | |
88 | struct list_head list_dev; | |
89 | struct list_head list_pipe; | |
90 | ||
91 | struct media_pad *pads; | |
92 | unsigned int source_pad; | |
93 | ||
94 | struct media_entity *sink; | |
d9b45ed3 | 95 | unsigned int sink_pad; |
26e0ca22 LP |
96 | |
97 | struct v4l2_subdev subdev; | |
e790c3cb | 98 | struct v4l2_subdev_pad_config *config; |
26e0ca22 LP |
99 | }; |
100 | ||
101 | static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev) | |
102 | { | |
103 | return container_of(subdev, struct vsp1_entity, subdev); | |
104 | } | |
105 | ||
106 | int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, | |
823329df | 107 | const char *name, unsigned int num_pads, |
6a8e07b2 | 108 | const struct v4l2_subdev_ops *ops, u32 function); |
26e0ca22 LP |
109 | void vsp1_entity_destroy(struct vsp1_entity *entity); |
110 | ||
111 | extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops; | |
babca007 LP |
112 | |
113 | int vsp1_entity_link_setup(struct media_entity *entity, | |
114 | const struct media_pad *local, | |
115 | const struct media_pad *remote, u32 flags); | |
26e0ca22 | 116 | |
e790c3cb LP |
117 | struct v4l2_subdev_pad_config * |
118 | vsp1_entity_get_pad_config(struct vsp1_entity *entity, | |
119 | struct v4l2_subdev_pad_config *cfg, | |
120 | enum v4l2_subdev_format_whence which); | |
26e0ca22 LP |
121 | struct v4l2_mbus_framefmt * |
122 | vsp1_entity_get_pad_format(struct vsp1_entity *entity, | |
f7234138 | 123 | struct v4l2_subdev_pad_config *cfg, |
e790c3cb | 124 | unsigned int pad); |
b7e5107e | 125 | struct v4l2_rect * |
ccd3d95a LP |
126 | vsp1_entity_get_pad_selection(struct vsp1_entity *entity, |
127 | struct v4l2_subdev_pad_config *cfg, | |
128 | unsigned int pad, unsigned int target); | |
0efdf0f5 LP |
129 | int vsp1_entity_init_cfg(struct v4l2_subdev *subdev, |
130 | struct v4l2_subdev_pad_config *cfg); | |
26e0ca22 | 131 | |
5e8dbbf3 LP |
132 | void vsp1_entity_route_setup(struct vsp1_entity *source, |
133 | struct vsp1_dl_list *dl); | |
aa380ea0 | 134 | |
3f557220 LP |
135 | int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev, |
136 | struct v4l2_subdev_pad_config *cfg, | |
137 | struct v4l2_subdev_format *fmt); | |
6ad9ba9c LP |
138 | int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev, |
139 | struct v4l2_subdev_pad_config *cfg, | |
140 | struct v4l2_subdev_mbus_code_enum *code, | |
141 | const unsigned int *codes, unsigned int ncodes); | |
076e834f LP |
142 | int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev, |
143 | struct v4l2_subdev_pad_config *cfg, | |
144 | struct v4l2_subdev_frame_size_enum *fse, | |
145 | unsigned int min_w, unsigned int min_h, | |
146 | unsigned int max_w, unsigned int max_h); | |
3f557220 | 147 | |
26e0ca22 | 148 | #endif /* __VSP1_ENTITY_H__ */ |