drivers/gpu/drm/arm/malidp_drv.h

   1 /*
   2  * (C) COPYRIGHT 2016 ARM Limited. All rights reserved.
   3  * Author: Liviu Dudau <Liviu.Dudau@arm.com>
   4  *
   5  * This program is free software and is provided to you under the terms of the
   6  * GNU General Public License version 2 as published by the Free Software
   7  * Foundation, and any use by you of this program is subject to the terms
   8  * of such GNU licence.
   9  *
  10  * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures
  11  */
  12
  13 #ifndef __MALIDP_DRV_H__
  14 #define __MALIDP_DRV_H__
  15
  16 #include <linux/mutex.h>
  17 #include <linux/wait.h>
  18 #include "malidp_hw.h"
  19
  20 struct malidp_drm {
  21         struct malidp_hw_device *dev;
  22         struct drm_fbdev_cma *fbdev;
  23         struct list_head event_list;
  24         struct drm_crtc crtc;
  25         wait_queue_head_t wq;
  26         atomic_t config_valid;
  27 };
  28
  29 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
  30
  31 struct malidp_plane {
  32         struct drm_plane base;
  33         struct malidp_hw_device *hwdev;
  34         const struct malidp_layer *layer;
  35 };
  36
  37 struct malidp_plane_state {
  38         struct drm_plane_state base;
  39
  40         /* size of the required rotation memory if plane is rotated */
  41         u32 rotmem_size;
  42 };
  43
  44 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
  45 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
  46
  47 int malidp_de_planes_init(struct drm_device *drm);
  48 void malidp_de_planes_destroy(struct drm_device *drm);
  49 int malidp_crtc_init(struct drm_device *drm);
  50
  51 /* often used combination of rotational bits */
  52 #define MALIDP_ROTATED_MASK     (DRM_ROTATE_90 | DRM_ROTATE_270)
  53
  54 #endif  /* __MALIDP_DRV_H__ */