1/*
2 * rcar_du_crtc.h  --  R-Car Display Unit CRTCs
3 *
4 * Copyright (C) 2013-2014 Renesas Electronics Corporation
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_CRTC_H__
15#define __RCAR_DU_CRTC_H__
16
17#include <linux/mutex.h>
18#include <linux/wait.h>
19
20#include <drm/drmP.h>
21#include <drm/drm_crtc.h>
22
23struct rcar_du_group;
24
25struct rcar_du_crtc {
26	struct drm_crtc crtc;
27
28	struct clk *clock;
29	struct clk *extclock;
30	unsigned int mmio_offset;
31	unsigned int index;
32	bool started;
33
34	struct drm_pending_vblank_event *event;
35	wait_queue_head_t flip_wait;
36
37	unsigned int outputs;
38	bool enabled;
39
40	struct rcar_du_group *group;
41};
42
43#define to_rcar_crtc(c)	container_of(c, struct rcar_du_crtc, crtc)
44
45enum rcar_du_output {
46	RCAR_DU_OUTPUT_DPAD0,
47	RCAR_DU_OUTPUT_DPAD1,
48	RCAR_DU_OUTPUT_LVDS0,
49	RCAR_DU_OUTPUT_LVDS1,
50	RCAR_DU_OUTPUT_TCON,
51	RCAR_DU_OUTPUT_MAX,
52};
53
54int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index);
55void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable);
56void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
57				   struct drm_file *file);
58void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
59void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
60
61void rcar_du_crtc_route_output(struct drm_crtc *crtc,
62			       enum rcar_du_output output);
63
64#endif /* __RCAR_DU_CRTC_H__ */
65