1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * vsp1_rwpf.h -- R-Car VSP1 Read and Write Pixel Formatters 4 * 5 * Copyright (C) 2013-2014 Renesas Electronics Corporation 6 * 7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 8 */ 9 #ifndef __VSP1_RWPF_H__ 10 #define __VSP1_RWPF_H__ 11 12 #include <linux/spinlock.h> 13 14 #include <media/media-entity.h> 15 #include <media/v4l2-ctrls.h> 16 #include <media/v4l2-subdev.h> 17 18 #include "vsp1.h" 19 #include "vsp1_entity.h" 20 21 #define RWPF_PAD_SINK 0 22 #define RWPF_PAD_SOURCE 1 23 24 struct v4l2_ctrl; 25 struct vsp1_dl_manager; 26 struct vsp1_rwpf; 27 struct vsp1_video; 28 29 struct vsp1_rwpf_memory { 30 dma_addr_t addr[3]; 31 }; 32 33 struct vsp1_rwpf { 34 struct vsp1_entity entity; 35 struct v4l2_ctrl_handler ctrls; 36 37 struct vsp1_video *video; 38 39 unsigned int max_width; 40 unsigned int max_height; 41 42 struct v4l2_pix_format_mplane format; 43 const struct vsp1_format_info *fmtinfo; 44 unsigned int brx_input; 45 46 unsigned int alpha; 47 48 u32 mult_alpha; 49 u32 outfmt; 50 51 struct { 52 spinlock_t lock; 53 struct { 54 struct v4l2_ctrl *vflip; 55 struct v4l2_ctrl *hflip; 56 struct v4l2_ctrl *rotate; 57 } ctrls; 58 unsigned int pending; 59 unsigned int active; 60 bool rotate; 61 } flip; 62 63 struct vsp1_rwpf_memory mem; 64 bool writeback; 65 66 struct vsp1_dl_manager *dlm; 67 }; 68 69 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev) 70 { 71 return container_of(subdev, struct vsp1_rwpf, entity.subdev); 72 } 73 74 static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity) 75 { 76 return container_of(entity, struct vsp1_rwpf, entity); 77 } 78 79 struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index); 80 struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index); 81 82 void vsp1_wpf_stop(struct vsp1_rwpf *wpf); 83 84 int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols); 85 86 extern const struct v4l2_subdev_ops vsp1_rwpf_subdev_ops; 87 88 struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, 89 struct v4l2_subdev_state *sd_state); 90 91 #endif /* __VSP1_RWPF_H__ */ 92