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