drivers/gpu/drm/rcar-du/rcar_du_crtc.h

   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
  19 #include <drm/drmP.h>
  20 #include <drm/drm_crtc.h>
  21
  22 struct rcar_du_group;
  23 struct rcar_du_plane;
  24
  25 struct 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         unsigned int outputs;
  36         int dpms;
  37
  38         struct rcar_du_group *group;
  39         struct rcar_du_plane *plane;
  40 };
  41
  42 #define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc)
  43
  44 enum rcar_du_output {
  45         RCAR_DU_OUTPUT_DPAD0,
  46         RCAR_DU_OUTPUT_DPAD1,
  47         RCAR_DU_OUTPUT_LVDS0,
  48         RCAR_DU_OUTPUT_LVDS1,
  49         RCAR_DU_OUTPUT_TCON,
  50         RCAR_DU_OUTPUT_MAX,
  51 };
  52
  53 int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index);
  54 void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable);
  55 void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
  56                                    struct drm_file *file);
  57 void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
  58 void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
  59
  60 void rcar_du_crtc_route_output(struct drm_crtc *crtc,
  61                                enum rcar_du_output output);
  62 void rcar_du_crtc_update_planes(struct drm_crtc *crtc);
  63
  64 #endif /* __RCAR_DU_CRTC_H__ */