| /* | |
| * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group | |
| * | |
| * Copyright (C) 2013-2014 Renesas Electronics Corporation | |
| * | |
| * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| */ | |
| #ifndef __RCAR_DU_GROUP_H__ | |
| #define __RCAR_DU_GROUP_H__ | |
| #include <linux/mutex.h> | |
| #include "rcar_du_plane.h" | |
| struct rcar_du_device; | |
| /* | |
| * struct rcar_du_group - CRTCs and planes group | |
| * @dev: the DU device | |
| * @mmio_offset: registers offset in the device memory map | |
| * @index: group index | |
| * @num_crtcs: number of CRTCs in this group (1 or 2) | |
| * @use_count: number of users of the group (rcar_du_group_(get|put)) | |
| * @used_crtcs: number of CRTCs currently in use | |
| * @lock: protects the dptsr_planes field and the DPTSR register | |
| * @dptsr_planes: bitmask of planes driven by dot-clock and timing generator 1 | |
| * @num_planes: number of planes in the group | |
| * @planes: planes handled by the group | |
| * @need_restart: the group needs to be restarted due to a configuration change | |
| */ | |
| struct rcar_du_group { | |
| struct rcar_du_device *dev; | |
| unsigned int mmio_offset; | |
| unsigned int index; | |
| unsigned int num_crtcs; | |
| unsigned int use_count; | |
| unsigned int used_crtcs; | |
| struct mutex lock; | |
| unsigned int dptsr_planes; | |
| unsigned int num_planes; | |
| struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES]; | |
| bool need_restart; | |
| }; | |
| u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); | |
| void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); | |
| int rcar_du_group_get(struct rcar_du_group *rgrp); | |
| void rcar_du_group_put(struct rcar_du_group *rgrp); | |
| void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); | |
| void rcar_du_group_restart(struct rcar_du_group *rgrp); | |
| int rcar_du_group_set_routing(struct rcar_du_group *rgrp); | |
| int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu); | |
| #endif /* __RCAR_DU_GROUP_H__ */ |