1*11696c5eSBiju Das /* SPDX-License-Identifier: GPL-2.0+ */ 2*11696c5eSBiju Das /* 3*11696c5eSBiju Das * R-Car Display Unit Planes and CRTCs Group 4*11696c5eSBiju Das * 5*11696c5eSBiju Das * Copyright (C) 2013-2014 Renesas Electronics Corporation 6*11696c5eSBiju Das * 7*11696c5eSBiju Das * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 8*11696c5eSBiju Das */ 9*11696c5eSBiju Das 10*11696c5eSBiju Das #ifndef __RCAR_DU_GROUP_H__ 11*11696c5eSBiju Das #define __RCAR_DU_GROUP_H__ 12*11696c5eSBiju Das 13*11696c5eSBiju Das #include <linux/mutex.h> 14*11696c5eSBiju Das 15*11696c5eSBiju Das #include "rcar_du_plane.h" 16*11696c5eSBiju Das 17*11696c5eSBiju Das struct rcar_du_device; 18*11696c5eSBiju Das 19*11696c5eSBiju Das /* 20*11696c5eSBiju Das * struct rcar_du_group - CRTCs and planes group 21*11696c5eSBiju Das * @dev: the DU device 22*11696c5eSBiju Das * @mmio_offset: registers offset in the device memory map 23*11696c5eSBiju Das * @index: group index 24*11696c5eSBiju Das * @channels_mask: bitmask of populated DU channels in this group 25*11696c5eSBiju Das * @cmms_mask: bitmask of available CMMs in this group 26*11696c5eSBiju Das * @num_crtcs: number of CRTCs in this group (1 or 2) 27*11696c5eSBiju Das * @use_count: number of users of the group (rcar_du_group_(get|put)) 28*11696c5eSBiju Das * @used_crtcs: number of CRTCs currently in use 29*11696c5eSBiju Das * @lock: protects the dptsr_planes field and the DPTSR register 30*11696c5eSBiju Das * @dptsr_planes: bitmask of planes driven by dot-clock and timing generator 1 31*11696c5eSBiju Das * @num_planes: number of planes in the group 32*11696c5eSBiju Das * @planes: planes handled by the group 33*11696c5eSBiju Das * @need_restart: the group needs to be restarted due to a configuration change 34*11696c5eSBiju Das */ 35*11696c5eSBiju Das struct rcar_du_group { 36*11696c5eSBiju Das struct rcar_du_device *dev; 37*11696c5eSBiju Das unsigned int mmio_offset; 38*11696c5eSBiju Das unsigned int index; 39*11696c5eSBiju Das 40*11696c5eSBiju Das unsigned int channels_mask; 41*11696c5eSBiju Das unsigned int cmms_mask; 42*11696c5eSBiju Das unsigned int num_crtcs; 43*11696c5eSBiju Das unsigned int use_count; 44*11696c5eSBiju Das unsigned int used_crtcs; 45*11696c5eSBiju Das 46*11696c5eSBiju Das struct mutex lock; 47*11696c5eSBiju Das unsigned int dptsr_planes; 48*11696c5eSBiju Das 49*11696c5eSBiju Das unsigned int num_planes; 50*11696c5eSBiju Das struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES]; 51*11696c5eSBiju Das bool need_restart; 52*11696c5eSBiju Das }; 53*11696c5eSBiju Das 54*11696c5eSBiju Das u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); 55*11696c5eSBiju Das void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); 56*11696c5eSBiju Das 57*11696c5eSBiju Das int rcar_du_group_get(struct rcar_du_group *rgrp); 58*11696c5eSBiju Das void rcar_du_group_put(struct rcar_du_group *rgrp); 59*11696c5eSBiju Das void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); 60*11696c5eSBiju Das void rcar_du_group_restart(struct rcar_du_group *rgrp); 61*11696c5eSBiju Das int rcar_du_group_set_routing(struct rcar_du_group *rgrp); 62*11696c5eSBiju Das 63*11696c5eSBiju Das int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu); 64*11696c5eSBiju Das 65*11696c5eSBiju Das #endif /* __RCAR_DU_GROUP_H__ */ 66