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 <drm/drmP.h>
  19 #include "malidp_hw.h"
  20
  21 struct malidp_drm {
  22         struct malidp_hw_device *dev;
  23         struct drm_fbdev_cma *fbdev;
  24         struct drm_crtc crtc;
  25         wait_queue_head_t wq;
  26         atomic_t config_valid;
  27         struct drm_atomic_state *pm_state;
  28         u32 core_id;
  29 };
  30
  31 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
  32
  33 struct malidp_plane {
  34         struct drm_plane base;
  35         struct malidp_hw_device *hwdev;
  36         const struct malidp_layer *layer;
  37 };
  38
  39 struct malidp_plane_state {
  40         struct drm_plane_state base;
  41
  42         /* size of the required rotation memory if plane is rotated */
  43         u32 rotmem_size;
  44         /* internal format ID */
  45         u8 format;
  46         u8 n_planes;
  47 };
  48
  49 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
  50 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
  51
  52 struct malidp_crtc_state {
  53         struct drm_crtc_state base;
  54         u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
  55         u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
  56         struct malidp_se_config scaler_config;
  57         /* Bitfield of all the planes that have requested a scaled output. */
  58         u8 scaled_planes_mask;
  59 };
  60
  61 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
  62
  63 int malidp_de_planes_init(struct drm_device *drm);
  64 void malidp_de_planes_destroy(struct drm_device *drm);
  65 int malidp_crtc_init(struct drm_device *drm);
  66
  67 /* often used combination of rotational bits */
  68 #define MALIDP_ROTATED_MASK     (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
  69
  70 #endif  /* __MALIDP_DRV_H__ */