/* SPDX-License-Identifier: GPL-2.0+ */ /* * 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) */ #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 * @channels_mask: bitmask of populated DU channels in this group * @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 channels_mask; 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__ */