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 <drm/drmP.h>
  32 #include <drm/drm_crtc_helper.h>
  33 #include "vmwgfx_drv.h"
  34
  35 #define VMWGFX_NUM_DISPLAY_UNITS 8
  36
  37
  38 #define vmw_framebuffer_to_vfb(x) \
  39         container_of(x, struct vmw_framebuffer, base)
  40
  41 /**
  42  * Base class for framebuffers
  43  *
  44  * @pin is called the when ever a crtc uses this framebuffer
  45  * @unpin is called
  46  */
  47 struct vmw_framebuffer {
  48         struct drm_framebuffer base;
  49         int (*pin)(struct vmw_framebuffer *fb);
  50         int (*unpin)(struct vmw_framebuffer *fb);
  51         bool dmabuf;
  52         struct ttm_base_object *user_obj;
  53         uint32_t user_handle;
  54 };
  55
  56
  57 #define vmw_crtc_to_du(x) \
  58         container_of(x, struct vmw_display_unit, crtc)
  59
  60 /*
  61  * Basic cursor manipulation
  62  */
  63 int vmw_cursor_update_image(struct vmw_private *dev_priv,
  64                             u32 *image, u32 width, u32 height,
  65                             u32 hotspotX, u32 hotspotY);
  66 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
  67                              struct vmw_dma_buffer *dmabuf,
  68                              u32 width, u32 height,
  69                              u32 hotspotX, u32 hotspotY);
  70 void vmw_cursor_update_position(struct vmw_private *dev_priv,
  71                                 bool show, int x, int y);
  72
  73
  74 /**
  75  * Base class display unit.
  76  *
  77  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
  78  * so the display unit is all of them at the same time. This is true for both
  79  * legacy multimon and screen objects.
  80  */
  81 struct vmw_display_unit {
  82         struct drm_crtc crtc;
  83         struct drm_encoder encoder;
  84         struct drm_connector connector;
  85
  86         struct vmw_surface *cursor_surface;
  87         struct vmw_dma_buffer *cursor_dmabuf;
  88         size_t cursor_age;
  89
  90         int cursor_x;
  91         int cursor_y;
  92
  93         int hotspot_x;
  94         int hotspot_y;
  95
  96         unsigned unit;
  97
  98         /*
  99          * Prefered mode tracking.
 100          */
 101         unsigned pref_width;
 102         unsigned pref_height;
 103         bool pref_active;
 104         struct drm_display_mode *pref_mode;
 105
 106         /*
 107          * Gui positioning
 108          */
 109         int gui_x;
 110         int gui_y;
 111         bool is_implicit;
 112 };
 113
 114 #define vmw_crtc_to_du(x) \
 115         container_of(x, struct vmw_display_unit, crtc)
 116 #define vmw_connector_to_du(x) \
 117         container_of(x, struct vmw_display_unit, connector)
 118
 119
 120 /*
 121  * Shared display unit functions - vmwgfx_kms.c
 122  */
 123 void vmw_display_unit_cleanup(struct vmw_display_unit *du);
 124 int vmw_du_page_flip(struct drm_crtc *crtc,
 125                      struct drm_framebuffer *fb,
 126                      struct drm_pending_vblank_event *event,
 127                      uint32_t page_flip_flags);
 128 void vmw_du_crtc_save(struct drm_crtc *crtc);
 129 void vmw_du_crtc_restore(struct drm_crtc *crtc);
 130 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
 131                            u16 *r, u16 *g, u16 *b,
 132                            uint32_t start, uint32_t size);
 133 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 134                            uint32_t handle, uint32_t width, uint32_t height);
 135 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
 136 void vmw_du_connector_dpms(struct drm_connector *connector, int mode);
 137 void vmw_du_connector_save(struct drm_connector *connector);
 138 void vmw_du_connector_restore(struct drm_connector *connector);
 139 enum drm_connector_status
 140 vmw_du_connector_detect(struct drm_connector *connector, bool force);
 141 int vmw_du_connector_fill_modes(struct drm_connector *connector,
 142                                 uint32_t max_width, uint32_t max_height);
 143 int vmw_du_connector_set_property(struct drm_connector *connector,
 144                                   struct drm_property *property,
 145                                   uint64_t val);
 146
 147
 148 /*
 149  * Legacy display unit functions - vmwgfx_ldu.c
 150  */
 151 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
 152 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
 153
 154 /*
 155  * Screen Objects display functions - vmwgfx_scrn.c
 156  */
 157 int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv);
 158 int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv);
 159 int vmw_kms_sou_update_layout(struct vmw_private *dev_priv, unsigned num,
 160                               struct drm_vmw_rect *rects);
 161 bool vmw_kms_screen_object_flippable(struct vmw_private *dev_priv,
 162                                      struct drm_crtc *crtc);
 163 void vmw_kms_screen_object_update_implicit_fb(struct vmw_private *dev_priv,
 164                                               struct drm_crtc *crtc);
 165
 166
 167 #endif