| /* |
| * 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 |
| * @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__ */ |
