Merge remote-tracking branch 'pci-current/for-linus'
[deliverable/linux.git] / drivers / gpu / drm / rcar-du / rcar_du_group.h
CommitLineData
cb2025d2
LP
1/*
2 * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group
3 *
36d50464 4 * Copyright (C) 2013-2014 Renesas Electronics Corporation
cb2025d2
LP
5 *
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#ifndef __RCAR_DU_GROUP_H__
15#define __RCAR_DU_GROUP_H__
16
5ee5a81d
LP
17#include <linux/mutex.h>
18
cb2025d2
LP
19#include "rcar_du_plane.h"
20
21struct rcar_du_device;
22
23/*
24 * struct rcar_du_group - CRTCs and planes group
25 * @dev: the DU device
26 * @mmio_offset: registers offset in the device memory map
27 * @index: group index
fe6fbe9a 28 * @num_crtcs: number of CRTCs in this group (1 or 2)
cb2025d2
LP
29 * @use_count: number of users of the group (rcar_du_group_(get|put))
30 * @used_crtcs: number of CRTCs currently in use
2a57e9b5
LP
31 * @lock: protects the dptsr_planes field and the DPTSR register
32 * @dptsr_planes: bitmask of planes driven by dot-clock and timing generator 1
d6aed574 33 * @num_planes: number of planes in the group
cb2025d2 34 * @planes: planes handled by the group
2af03944 35 * @need_restart: the group needs to be restarted due to a configuration change
cb2025d2
LP
36 */
37struct rcar_du_group {
38 struct rcar_du_device *dev;
39 unsigned int mmio_offset;
40 unsigned int index;
41
fe6fbe9a 42 unsigned int num_crtcs;
cb2025d2
LP
43 unsigned int use_count;
44 unsigned int used_crtcs;
45
5ee5a81d 46 struct mutex lock;
2a57e9b5 47 unsigned int dptsr_planes;
5ee5a81d 48
d6aed574 49 unsigned int num_planes;
99caede1 50 struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES];
2af03944 51 bool need_restart;
cb2025d2
LP
52};
53
a5f0ef59
LP
54u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg);
55void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data);
56
cb2025d2
LP
57int rcar_du_group_get(struct rcar_du_group *rgrp);
58void rcar_du_group_put(struct rcar_du_group *rgrp);
59void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start);
60void rcar_du_group_restart(struct rcar_du_group *rgrp);
7cbc05cb 61int rcar_du_group_set_routing(struct rcar_du_group *rgrp);
cb2025d2 62
34a04f2b
LP
63int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu);
64
cb2025d2 65#endif /* __RCAR_DU_GROUP_H__ */
This page took 0.246076 seconds and 5 git commands to generate.