projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| dba4a180 LP |
1 | /* |
| 2 | * vsp1_pipe.h -- R-Car VSP1 Pipeline | |
| 3 | * | |
| 4 | * Copyright (C) 2013-2015 Renesas Electronics Corporation | |
| 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_PIPE_H__ | |
| 14 | #define __VSP1_PIPE_H__ | |
| 15 | ||
| a0cdac56 | 16 | #include <linux/kref.h> |
| dba4a180 LP |
17 | #include <linux/list.h> |
| 18 | #include <linux/spinlock.h> | |
| 19 | #include <linux/wait.h> | |
| 20 | ||
| 21 | #include <media/media-entity.h> | |
| 22 | ||
| c2dd2513 | 23 | struct vsp1_dl_list; |
| dba4a180 LP |
24 | struct vsp1_rwpf; |
| 25 | ||
| c618b185 LP |
26 | /* |
| 27 | * struct vsp1_format_info - VSP1 video format description | |
| 28 | * @mbus: media bus format code | |
| 29 | * @fourcc: V4L2 pixel format FCC identifier | |
| 30 | * @planes: number of planes | |
| 31 | * @bpp: bits per pixel | |
| 32 | * @hwfmt: VSP1 hardware format | |
| 33 | * @swap_yc: the Y and C components are swapped (Y comes before C) | |
| 34 | * @swap_uv: the U and V components are swapped (V comes before U) | |
| 35 | * @hsub: horizontal subsampling factor | |
| 36 | * @vsub: vertical subsampling factor | |
| 37 | * @alpha: has an alpha channel | |
| 38 | */ | |
| 39 | struct vsp1_format_info { | |
| 40 | u32 fourcc; | |
| 41 | unsigned int mbus; | |
| 42 | unsigned int hwfmt; | |
| 43 | unsigned int swap; | |
| 44 | unsigned int planes; | |
| 45 | unsigned int bpp[3]; | |
| 46 | bool swap_yc; | |
| 47 | bool swap_uv; | |
| 48 | unsigned int hsub; | |
| 49 | unsigned int vsub; | |
| 50 | bool alpha; | |
| 51 | }; | |
| 52 | ||
| dba4a180 LP |
53 | enum vsp1_pipeline_state { |
| 54 | VSP1_PIPELINE_STOPPED, | |
| 55 | VSP1_PIPELINE_RUNNING, | |
| 56 | VSP1_PIPELINE_STOPPING, | |
| 57 | }; | |
| 58 | ||
| 59 | /* | |
| 60 | * struct vsp1_pipeline - A VSP1 hardware pipeline | |
| ba3a5c6d | 61 | * @pipe: the media pipeline |
| dba4a180 | 62 | * @irqlock: protects the pipeline state |
| ba3a5c6d | 63 | * @state: current state |
| e98c59dd | 64 | * @wq: wait queue to wait for state change completion |
| ba3a5c6d | 65 | * @frame_end: frame end interrupt handler |
| dba4a180 | 66 | * @lock: protects the pipeline use count and stream count |
| a0cdac56 | 67 | * @kref: pipeline reference count |
| ba3a5c6d LP |
68 | * @stream_count: number of streaming video nodes |
| 69 | * @buffers_ready: bitmask of RPFs and WPFs with at least one buffer available | |
| 0c1a41b5 | 70 | * @sequence: frame sequence number |
| ba3a5c6d | 71 | * @num_inputs: number of RPFs |
| 96bfa6a5 | 72 | * @inputs: array of RPFs in the pipeline (indexed by RPF index) |
| ba3a5c6d LP |
73 | * @output: WPF at the output of the pipeline |
| 74 | * @bru: BRU entity, if present | |
| 75 | * @lif: LIF entity, if present | |
| 76 | * @uds: UDS entity, if present | |
| 77 | * @uds_input: entity at the input of the UDS, if the UDS is present | |
| 78 | * @entities: list of entities in the pipeline | |
| 1517b039 | 79 | * @dl: display list associated with the pipeline |
| dba4a180 LP |
80 | */ |
| 81 | struct vsp1_pipeline { | |
| 82 | struct media_pipeline pipe; | |
| 83 | ||
| 84 | spinlock_t irqlock; | |
| 85 | enum vsp1_pipeline_state state; | |
| 86 | wait_queue_head_t wq; | |
| 87 | ||
| 88 | void (*frame_end)(struct vsp1_pipeline *pipe); | |
| 89 | ||
| 90 | struct mutex lock; | |
| a0cdac56 | 91 | struct kref kref; |
| dba4a180 LP |
92 | unsigned int stream_count; |
| 93 | unsigned int buffers_ready; | |
| 0c1a41b5 | 94 | unsigned int sequence; |
| dba4a180 LP |
95 | |
| 96 | unsigned int num_inputs; | |
| 97 | struct vsp1_rwpf *inputs[VSP1_MAX_RPF]; | |
| 98 | struct vsp1_rwpf *output; | |
| 99 | struct vsp1_entity *bru; | |
| 100 | struct vsp1_entity *lif; | |
| 101 | struct vsp1_entity *uds; | |
| 102 | struct vsp1_entity *uds_input; | |
| 103 | ||
| 104 | struct list_head entities; | |
| 1517b039 | 105 | |
| c2dd2513 | 106 | struct vsp1_dl_list *dl; |
| dba4a180 LP |
107 | }; |
| 108 | ||
| dba4a180 | 109 | void vsp1_pipeline_reset(struct vsp1_pipeline *pipe); |
| f294c2f7 | 110 | void vsp1_pipeline_init(struct vsp1_pipeline *pipe); |
| dba4a180 LP |
111 | |
| 112 | void vsp1_pipeline_run(struct vsp1_pipeline *pipe); | |
| 113 | bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe); | |
| 114 | int vsp1_pipeline_stop(struct vsp1_pipeline *pipe); | |
| 115 | bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe); | |
| 116 | ||
| 117 | void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe); | |
| 118 | ||
| 119 | void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe, | |
| 07a23c61 | 120 | struct vsp1_dl_list *dl, unsigned int alpha); |
| dba4a180 LP |
121 | |
| 122 | void vsp1_pipelines_suspend(struct vsp1_device *vsp1); | |
| 123 | void vsp1_pipelines_resume(struct vsp1_device *vsp1); | |
| 124 | ||
| c618b185 LP |
125 | const struct vsp1_format_info *vsp1_get_format_info(u32 fourcc); |
| 126 | ||
| dba4a180 | 127 | #endif /* __VSP1_PIPE_H__ */ |