kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

   1 /**************************************************************************
   2  *
   3  * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
   4  * All Rights Reserved.
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  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.
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  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,
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  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 /**
  36  * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty
  37  * function.
  38  *
  39  * @fifo_commit: Callback that is called once for each display unit after
  40  * all clip rects. This function must commit the fifo space reserved by the
  41  * helper. Set up by the caller.
  42  * @clip: Callback that is called for each cliprect on each display unit.
  43  * Set up by the caller.
  44  * @fifo_reserve_size: Fifo size that the helper should try to allocat for
  45  * each display unit. Set up by the caller.
  46  * @dev_priv: Pointer to the device private. Set up by the helper.
  47  * @unit: The current display unit. Set up by the helper before a call to @clip.
  48  * @cmd: The allocated fifo space. Set up by the helper before the first @clip
  49  * call.
  50  * @num_hits: Number of clip rect commands for this display unit.
  51  * Cleared by the helper before the first @clip call. Updated by the @clip
  52  * callback.
  53  * @fb_x: Clip rect left side in framebuffer coordinates.
  54  * @fb_y: Clip rect right side in framebuffer coordinates.
  55  * @unit_x1: Clip rect left side in crtc coordinates.
  56  * @unit_y1: Clip rect top side in crtc coordinates.
  57  * @unit_x2: Clip rect right side in crtc coordinates.
  58  * @unit_y2: Clip rect bottom side in crtc coordinates.
  59  *
  60  * The clip rect coordinates are updated by the helper for each @clip call.
  61  * Note that this may be derived from if more info needs to be passed between
  62  * helper caller and helper callbacks.
  63  */
  64 struct vmw_kms_dirty {
  65         void (*fifo_commit)(struct vmw_kms_dirty *);
  66         void (*clip)(struct vmw_kms_dirty *);
  67         size_t fifo_reserve_size;
  68         struct vmw_private *dev_priv;
  69         struct vmw_display_unit *unit;
  70         void *cmd;
  71         u32 num_hits;
  72         s32 fb_x;
  73         s32 fb_y;
  74         s32 unit_x1;
  75         s32 unit_y1;
  76         s32 unit_x2;
  77         s32 unit_y2;
  78 };
  79
  80 #define VMWGFX_NUM_DISPLAY_UNITS 8
  81
  82
  83 #define vmw_framebuffer_to_vfb(x) \
  84         container_of(x, struct vmw_framebuffer, base)
  85 #define vmw_framebuffer_to_vfbs(x) \
  86         container_of(x, struct vmw_framebuffer_surface, base.base)
  87 #define vmw_framebuffer_to_vfbd(x) \
  88         container_of(x, struct vmw_framebuffer_dmabuf, base.base)
  89
  90 /**
  91  * Base class for framebuffers
  92  *
  93  * @pin is called the when ever a crtc uses this framebuffer
  94  * @unpin is called
  95  */
  96 struct vmw_framebuffer {
  97         struct drm_framebuffer base;
  98         int (*pin)(struct vmw_framebuffer *fb);
  99         int (*unpin)(struct vmw_framebuffer *fb);
 100         bool dmabuf;
 101         struct ttm_base_object *user_obj;
 102         uint32_t user_handle;
 103 };
 104
 105 /*
 106  * Clip rectangle
 107  */
 108 struct vmw_clip_rect {
 109         int x1, x2, y1, y2;
 110 };
 111
 112 struct vmw_framebuffer_surface {
 113         struct vmw_framebuffer base;
 114         struct vmw_surface *surface;
 115         struct vmw_dma_buffer *buffer;
 116         struct list_head head;
 117         bool is_dmabuf_proxy;  /* true if this is proxy surface for DMA buf */
 118 };
 119
 120
 121 struct vmw_framebuffer_dmabuf {
 122         struct vmw_framebuffer base;
 123         struct vmw_dma_buffer *buffer;
 124 };
 125
 126
 127 /*
 128  * Basic cursor manipulation
 129  */
 130 int vmw_cursor_update_image(struct vmw_private *dev_priv,
 131                             u32 *image, u32 width, u32 height,
 132                             u32 hotspotX, u32 hotspotY);
 133 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
 134                              struct vmw_dma_buffer *dmabuf,
 135                              u32 width, u32 height,
 136                              u32 hotspotX, u32 hotspotY);
 137 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 138                                 bool show, int x, int y);
 139
 140
 141 /**
 142  * Base class display unit.
 143  *
 144  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
 145  * so the display unit is all of them at the same time. This is true for both
 146  * legacy multimon and screen objects.
 147  */
 148 struct vmw_display_unit {
 149         struct drm_crtc crtc;
 150         struct drm_encoder encoder;
 151         struct drm_connector connector;
 152
 153         struct vmw_surface *cursor_surface;
 154         struct vmw_dma_buffer *cursor_dmabuf;
 155         size_t cursor_age;
 156
 157         int cursor_x;
 158         int cursor_y;
 159
 160         int hotspot_x;
 161         int hotspot_y;
 162         s32 core_hotspot_x;
 163         s32 core_hotspot_y;
 164
 165         unsigned unit;
 166
 167         /*
 168          * Prefered mode tracking.
 169          */
 170         unsigned pref_width;
 171         unsigned pref_height;
 172         bool pref_active;
 173         struct drm_display_mode *pref_mode;
 174
 175         /*
 176          * Gui positioning
 177          */
 178         int gui_x;
 179         int gui_y;
 180         bool is_implicit;
 181 };
 182
 183 #define vmw_crtc_to_du(x) \
 184         container_of(x, struct vmw_display_unit, crtc)
 185 #define vmw_connector_to_du(x) \
 186         container_of(x, struct vmw_display_unit, connector)
 187
 188
 189 /*
 190  * Shared display unit functions - vmwgfx_kms.c
 191  */
 192 void vmw_du_cleanup(struct vmw_display_unit *du);
 193 void vmw_du_crtc_save(struct drm_crtc *crtc);
 194 void vmw_du_crtc_restore(struct drm_crtc *crtc);
 195 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
 196                            u16 *r, u16 *g, u16 *b,
 197                            uint32_t start, uint32_t size);
 198 int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 199                             uint32_t handle, uint32_t width, uint32_t height,
 200                             int32_t hot_x, int32_t hot_y);
 201 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
 202 int vmw_du_connector_dpms(struct drm_connector *connector, int mode);
 203 void vmw_du_connector_save(struct drm_connector *connector);
 204 void vmw_du_connector_restore(struct drm_connector *connector);
 205 enum drm_connector_status
 206 vmw_du_connector_detect(struct drm_connector *connector, bool force);
 207 int vmw_du_connector_fill_modes(struct drm_connector *connector,
 208                                 uint32_t max_width, uint32_t max_height);
 209 int vmw_du_connector_set_property(struct drm_connector *connector,
 210                                   struct drm_property *property,
 211                                   uint64_t val);
 212 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
 213                          struct vmw_framebuffer *framebuffer,
 214                          const struct drm_clip_rect *clips,
 215                          const struct drm_vmw_rect *vclips,
 216                          s32 dest_x, s32 dest_y,
 217                          int num_clips,
 218                          int increment,
 219                          struct vmw_kms_dirty *dirty);
 220
 221 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
 222                                   struct vmw_dma_buffer *buf,
 223                                   bool interruptible,
 224                                   bool validate_as_mob);
 225 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf);
 226 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
 227                                   struct drm_file *file_priv,
 228                                   struct vmw_dma_buffer *buf,
 229                                   struct vmw_fence_obj **out_fence,
 230                                   struct drm_vmw_fence_rep __user *
 231                                   user_fence_rep);
 232 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
 233                                     bool interruptible);
 234 void vmw_kms_helper_resource_revert(struct vmw_resource *res);
 235 void vmw_kms_helper_resource_finish(struct vmw_resource *res,
 236                                     struct vmw_fence_obj **out_fence);
 237 int vmw_kms_readback(struct vmw_private *dev_priv,
 238                      struct drm_file *file_priv,
 239                      struct vmw_framebuffer *vfb,
 240                      struct drm_vmw_fence_rep __user *user_fence_rep,
 241                      struct drm_vmw_rect *vclips,
 242                      uint32_t num_clips);
 243 struct vmw_framebuffer *
 244 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
 245                         struct vmw_dma_buffer *dmabuf,
 246                         struct vmw_surface *surface,
 247                         bool only_2d,
 248                         const struct drm_mode_fb_cmd *mode_cmd);
 249 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
 250                             unsigned unit,
 251                             u32 max_width,
 252                             u32 max_height,
 253                             struct drm_connector **p_con,
 254                             struct drm_crtc **p_crtc,
 255                             struct drm_display_mode **p_mode);
 256 void vmw_guess_mode_timing(struct drm_display_mode *mode);
 257
 258 /*
 259  * Legacy display unit functions - vmwgfx_ldu.c
 260  */
 261 int vmw_kms_ldu_init_display(struct vmw_private *dev_priv);
 262 int vmw_kms_ldu_close_display(struct vmw_private *dev_priv);
 263 int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
 264                                 struct vmw_framebuffer *framebuffer,
 265                                 unsigned flags, unsigned color,
 266                                 struct drm_clip_rect *clips,
 267                                 unsigned num_clips, int increment);
 268 int vmw_kms_update_proxy(struct vmw_resource *res,
 269                          const struct drm_clip_rect *clips,
 270                          unsigned num_clips,
 271                          int increment);
 272
 273 /*
 274  * Screen Objects display functions - vmwgfx_scrn.c
 275  */
 276 int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
 277 int vmw_kms_sou_close_display(struct vmw_private *dev_priv);
 278 int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
 279                                  struct vmw_framebuffer *framebuffer,
 280                                  struct drm_clip_rect *clips,
 281                                  struct drm_vmw_rect *vclips,
 282                                  struct vmw_resource *srf,
 283                                  s32 dest_x,
 284                                  s32 dest_y,
 285                                  unsigned num_clips, int inc,
 286                                  struct vmw_fence_obj **out_fence);
 287 int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv,
 288                                 struct vmw_framebuffer *framebuffer,
 289                                 struct drm_clip_rect *clips,
 290                                 unsigned num_clips, int increment,
 291                                 bool interruptible,
 292                                 struct vmw_fence_obj **out_fence);
 293 int vmw_kms_sou_readback(struct vmw_private *dev_priv,
 294                          struct drm_file *file_priv,
 295                          struct vmw_framebuffer *vfb,
 296                          struct drm_vmw_fence_rep __user *user_fence_rep,
 297                          struct drm_vmw_rect *vclips,
 298                          uint32_t num_clips);
 299
 300 /*
 301  * Screen Target Display Unit functions - vmwgfx_stdu.c
 302  */
 303 int vmw_kms_stdu_init_display(struct vmw_private *dev_priv);
 304 int vmw_kms_stdu_close_display(struct vmw_private *dev_priv);
 305 int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
 306                                struct vmw_framebuffer *framebuffer,
 307                                struct drm_clip_rect *clips,
 308                                struct drm_vmw_rect *vclips,
 309                                struct vmw_resource *srf,
 310                                s32 dest_x,
 311                                s32 dest_y,
 312                                unsigned num_clips, int inc,
 313                                struct vmw_fence_obj **out_fence);
 314 int vmw_kms_stdu_dma(struct vmw_private *dev_priv,
 315                      struct drm_file *file_priv,
 316                      struct vmw_framebuffer *vfb,
 317                      struct drm_vmw_fence_rep __user *user_fence_rep,
 318                      struct drm_clip_rect *clips,
 319                      struct drm_vmw_rect *vclips,
 320                      uint32_t num_clips,
 321                      int increment,
 322                      bool to_surface,
 323                      bool interruptible);
 324
 325
 326 #endif