projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| cb2025d2 LP |
1 | /* |
| 2 | * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group | |
| 3 | * | |
| 36d50464 | 4 | * Copyright (C) 2013-2014 Renesas Electronics Corporation |
| cb2025d2 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 | ||
| 14 | #ifndef __RCAR_DU_GROUP_H__ | |
| 15 | #define __RCAR_DU_GROUP_H__ | |
| 16 | ||
| 5ee5a81d LP |
17 | #include <linux/mutex.h> |
| 18 | ||
| cb2025d2 LP |
19 | #include "rcar_du_plane.h" |
| 20 | ||
| 21 | struct rcar_du_device; | |
| 22 | ||
| 23 | /* | |
| 24 | * struct rcar_du_group - CRTCs and planes group | |
| 25 | * @dev: the DU device | |
| 26 | * @mmio_offset: registers offset in the device memory map | |
| 27 | * @index: group index | |
| 28 | * @use_count: number of users of the group (rcar_du_group_(get|put)) | |
| 29 | * @used_crtcs: number of CRTCs currently in use | |
| 5ee5a81d | 30 | * @lock: protects the DPTSR register |
| cb2025d2 LP |
31 | * @planes: planes handled by the group |
| 32 | */ | |
| 33 | struct rcar_du_group { | |
| 34 | struct rcar_du_device *dev; | |
| 35 | unsigned int mmio_offset; | |
| 36 | unsigned int index; | |
| 37 | ||
| 38 | unsigned int use_count; | |
| 39 | unsigned int used_crtcs; | |
| 40 | ||
| 5ee5a81d LP |
41 | struct mutex lock; |
| 42 | ||
| 99caede1 | 43 | struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES]; |
| cb2025d2 LP |
44 | }; |
| 45 | ||
| a5f0ef59 LP |
46 | u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); |
| 47 | void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); | |
| 48 | ||
| cb2025d2 LP |
49 | int rcar_du_group_get(struct rcar_du_group *rgrp); |
| 50 | void rcar_du_group_put(struct rcar_du_group *rgrp); | |
| 51 | void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); | |
| 52 | void rcar_du_group_restart(struct rcar_du_group *rgrp); | |
| 7cbc05cb | 53 | int rcar_du_group_set_routing(struct rcar_du_group *rgrp); |
| cb2025d2 LP |
54 | |
| 55 | #endif /* __RCAR_DU_GROUP_H__ */ |