1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2013-2014 Renesas Electronics Corporation 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __RCAR_DU_GROUP_H__ 11*4882a593Smuzhiyun #define __RCAR_DU_GROUP_H__ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/mutex.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include "rcar_du_plane.h" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct rcar_du_device; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * struct rcar_du_group - CRTCs and planes group 21*4882a593Smuzhiyun * @dev: the DU device 22*4882a593Smuzhiyun * @mmio_offset: registers offset in the device memory map 23*4882a593Smuzhiyun * @index: group index 24*4882a593Smuzhiyun * @channels_mask: bitmask of populated DU channels in this group 25*4882a593Smuzhiyun * @cmms_mask: bitmask of available CMMs in this group 26*4882a593Smuzhiyun * @num_crtcs: number of CRTCs in this group (1 or 2) 27*4882a593Smuzhiyun * @use_count: number of users of the group (rcar_du_group_(get|put)) 28*4882a593Smuzhiyun * @used_crtcs: number of CRTCs currently in use 29*4882a593Smuzhiyun * @lock: protects the dptsr_planes field and the DPTSR register 30*4882a593Smuzhiyun * @dptsr_planes: bitmask of planes driven by dot-clock and timing generator 1 31*4882a593Smuzhiyun * @num_planes: number of planes in the group 32*4882a593Smuzhiyun * @planes: planes handled by the group 33*4882a593Smuzhiyun * @need_restart: the group needs to be restarted due to a configuration change 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun struct rcar_du_group { 36*4882a593Smuzhiyun struct rcar_du_device *dev; 37*4882a593Smuzhiyun unsigned int mmio_offset; 38*4882a593Smuzhiyun unsigned int index; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun unsigned int channels_mask; 41*4882a593Smuzhiyun unsigned int cmms_mask; 42*4882a593Smuzhiyun unsigned int num_crtcs; 43*4882a593Smuzhiyun unsigned int use_count; 44*4882a593Smuzhiyun unsigned int used_crtcs; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct mutex lock; 47*4882a593Smuzhiyun unsigned int dptsr_planes; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun unsigned int num_planes; 50*4882a593Smuzhiyun struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES]; 51*4882a593Smuzhiyun bool need_restart; 52*4882a593Smuzhiyun }; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); 55*4882a593Smuzhiyun void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun int rcar_du_group_get(struct rcar_du_group *rgrp); 58*4882a593Smuzhiyun void rcar_du_group_put(struct rcar_du_group *rgrp); 59*4882a593Smuzhiyun void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); 60*4882a593Smuzhiyun void rcar_du_group_restart(struct rcar_du_group *rgrp); 61*4882a593Smuzhiyun int rcar_du_group_set_routing(struct rcar_du_group *rgrp); 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu); 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif /* __RCAR_DU_GROUP_H__ */ 66