drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

   1 /**************************************************************************
   2  *
   3  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef VMWGFX_KMS_H_
  29 #define VMWGFX_KMS_H_
  30
  31 #include "drmP.h"
  32 #include "vmwgfx_drv.h"
  33
  34
  35 #define vmw_framebuffer_to_vfb(x) \
  36         container_of(x, struct vmw_framebuffer, base)
  37
  38 /**
  39  * Base class for framebuffers
  40  *
  41  * @pin is called the when ever a crtc uses this framebuffer
  42  * @unpin is called
  43  */
  44 struct vmw_framebuffer {
  45         struct drm_framebuffer base;
  46         int (*pin)(struct vmw_framebuffer *fb);
  47         int (*unpin)(struct vmw_framebuffer *fb);
  48 };
  49
  50
  51 #define vmw_crtc_to_du(x) \
  52         container_of(x, struct vmw_display_unit, crtc)
  53
  54 /*
  55  * Basic cursor manipulation
  56  */
  57 int vmw_cursor_update_image(struct vmw_private *dev_priv,
  58                             u32 *image, u32 width, u32 height,
  59                             u32 hotspotX, u32 hotspotY);
  60 void vmw_cursor_update_position(struct vmw_private *dev_priv,
  61                                 bool show, int x, int y);
  62
  63 /**
  64  * Base class display unit.
  65  *
  66  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
  67  * so the display unit is all of them at the same time. This is true for both
  68  * legacy multimon and screen objects.
  69  */
  70 struct vmw_display_unit {
  71         struct drm_crtc crtc;
  72         struct drm_encoder encoder;
  73         struct drm_connector connector;
  74
  75         struct vmw_surface *cursor_surface;
  76         struct vmw_dma_buffer *cursor_dmabuf;
  77         size_t cursor_age;
  78
  79         int cursor_x;
  80         int cursor_y;
  81
  82         int hotspot_x;
  83         int hotspot_y;
  84
  85         unsigned unit;
  86 };
  87
  88 /*
  89  * Shared display unit functions - vmwgfx_kms.c
  90  */
  91 void vmw_display_unit_cleanup(struct vmw_display_unit *du);
  92 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
  93                            uint32_t handle, uint32_t width, uint32_t height);
  94 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
  95
  96 /*
  97  * Legacy display unit functions - vmwgfx_ldu.h
  98  */
  99 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
 100 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
 101
 102 #endif