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65 lines
2.0 KiB
65 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group |
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* |
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* Copyright (C) 2013-2014 Renesas Electronics Corporation |
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* |
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* Contact: Laurent Pinchart ([email protected]) |
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*/ |
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#ifndef __RCAR_DU_GROUP_H__ |
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#define __RCAR_DU_GROUP_H__ |
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#include <linux/mutex.h> |
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#include "rcar_du_plane.h" |
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struct rcar_du_device; |
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/* |
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* struct rcar_du_group - CRTCs and planes group |
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* @dev: the DU device |
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* @mmio_offset: registers offset in the device memory map |
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* @index: group index |
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* @channels_mask: bitmask of populated DU channels in this group |
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* @cmms_mask: bitmask of available CMMs in this group |
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* @num_crtcs: number of CRTCs in this group (1 or 2) |
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* @use_count: number of users of the group (rcar_du_group_(get|put)) |
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* @used_crtcs: number of CRTCs currently in use |
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* @lock: protects the dptsr_planes field and the DPTSR register |
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* @dptsr_planes: bitmask of planes driven by dot-clock and timing generator 1 |
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* @num_planes: number of planes in the group |
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* @planes: planes handled by the group |
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* @need_restart: the group needs to be restarted due to a configuration change |
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*/ |
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struct rcar_du_group { |
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struct rcar_du_device *dev; |
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unsigned int mmio_offset; |
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unsigned int index; |
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unsigned int channels_mask; |
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unsigned int cmms_mask; |
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unsigned int num_crtcs; |
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unsigned int use_count; |
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unsigned int used_crtcs; |
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struct mutex lock; |
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unsigned int dptsr_planes; |
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unsigned int num_planes; |
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struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES]; |
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bool need_restart; |
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}; |
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u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); |
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void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); |
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int rcar_du_group_get(struct rcar_du_group *rgrp); |
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void rcar_du_group_put(struct rcar_du_group *rgrp); |
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void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); |
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void rcar_du_group_restart(struct rcar_du_group *rgrp); |
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int rcar_du_group_set_routing(struct rcar_du_group *rgrp); |
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int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu); |
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#endif /* __RCAR_DU_GROUP_H__ */
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