drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

   1 /**************************************************************************
   2  *
   3  * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
   4  * All Rights Reserved.
   5  *
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  12  * the following conditions:
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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.
  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 <drm/drm_encoder.h>
  34 #include "vmwgfx_drv.h"
  35
  36 /**
  37  * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty
  38  * function.
  39  *
  40  * @fifo_commit: Callback that is called once for each display unit after
  41  * all clip rects. This function must commit the fifo space reserved by the
  42  * helper. Set up by the caller.
  43  * @clip: Callback that is called for each cliprect on each display unit.
  44  * Set up by the caller.
  45  * @fifo_reserve_size: Fifo size that the helper should try to allocat for
  46  * each display unit. Set up by the caller.
  47  * @dev_priv: Pointer to the device private. Set up by the helper.
  48  * @unit: The current display unit. Set up by the helper before a call to @clip.
  49  * @cmd: The allocated fifo space. Set up by the helper before the first @clip
  50  * call.
  51  * @num_hits: Number of clip rect commands for this display unit.
  52  * Cleared by the helper before the first @clip call. Updated by the @clip
  53  * callback.
  54  * @fb_x: Clip rect left side in framebuffer coordinates.
  55  * @fb_y: Clip rect right side in framebuffer coordinates.
  56  * @unit_x1: Clip rect left side in crtc coordinates.
  57  * @unit_y1: Clip rect top side in crtc coordinates.
  58  * @unit_x2: Clip rect right side in crtc coordinates.
  59  * @unit_y2: Clip rect bottom side in crtc coordinates.
  60  *
  61  * The clip rect coordinates are updated by the helper for each @clip call.
  62  * Note that this may be derived from if more info needs to be passed between
  63  * helper caller and helper callbacks.
  64  */
  65 struct vmw_kms_dirty {
  66         void (*fifo_commit)(struct vmw_kms_dirty *);
  67         void (*clip)(struct vmw_kms_dirty *);
  68         size_t fifo_reserve_size;
  69         struct vmw_private *dev_priv;
  70         struct vmw_display_unit *unit;
  71         void *cmd;
  72         u32 num_hits;
  73         s32 fb_x;
  74         s32 fb_y;
  75         s32 unit_x1;
  76         s32 unit_y1;
  77         s32 unit_x2;
  78         s32 unit_y2;
  79 };
  80
  81 #define VMWGFX_NUM_DISPLAY_UNITS 8
  82
  83
  84 #define vmw_framebuffer_to_vfb(x) \
  85         container_of(x, struct vmw_framebuffer, base)
  86 #define vmw_framebuffer_to_vfbs(x) \
  87         container_of(x, struct vmw_framebuffer_surface, base.base)
  88 #define vmw_framebuffer_to_vfbd(x) \
  89         container_of(x, struct vmw_framebuffer_dmabuf, base.base)
  90
  91 /**
  92  * Base class for framebuffers
  93  *
  94  * @pin is called the when ever a crtc uses this framebuffer
  95  * @unpin is called
  96  */
  97 struct vmw_framebuffer {
  98         struct drm_framebuffer base;
  99         int (*pin)(struct vmw_framebuffer *fb);
 100         int (*unpin)(struct vmw_framebuffer *fb);
 101         bool dmabuf;
 102         struct ttm_base_object *user_obj;
 103         uint32_t user_handle;
 104 };
 105
 106 /*
 107  * Clip rectangle
 108  */
 109 struct vmw_clip_rect {
 110         int x1, x2, y1, y2;
 111 };
 112
 113 struct vmw_framebuffer_surface {
 114         struct vmw_framebuffer base;
 115         struct vmw_surface *surface;
 116         struct vmw_dma_buffer *buffer;
 117         struct list_head head;
 118         bool is_dmabuf_proxy;  /* true if this is proxy surface for DMA buf */
 119 };
 120
 121
 122 struct vmw_framebuffer_dmabuf {
 123         struct vmw_framebuffer base;
 124         struct vmw_dma_buffer *buffer;
 125 };
 126
 127
 128 /*
 129  * Basic cursor manipulation
 130  */
 131 int vmw_cursor_update_image(struct vmw_private *dev_priv,
 132                             u32 *image, u32 width, u32 height,
 133                             u32 hotspotX, u32 hotspotY);
 134 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
 135                              struct vmw_dma_buffer *dmabuf,
 136                              u32 width, u32 height,
 137                              u32 hotspotX, u32 hotspotY);
 138 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 139                                 bool show, int x, int y);
 140
 141
 142 /**
 143  * Base class display unit.
 144  *
 145  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
 146  * so the display unit is all of them at the same time. This is true for both
 147  * legacy multimon and screen objects.
 148  */
 149 struct vmw_display_unit {
 150         struct drm_crtc crtc;
 151         struct drm_encoder encoder;
 152         struct drm_connector connector;
 153
 154         struct vmw_surface *cursor_surface;
 155         struct vmw_dma_buffer *cursor_dmabuf;
 156         size_t cursor_age;
 157
 158         int cursor_x;
 159         int cursor_y;
 160
 161         int hotspot_x;
 162         int hotspot_y;
 163         s32 core_hotspot_x;
 164         s32 core_hotspot_y;
 165
 166         unsigned unit;
 167
 168         /*
 169          * Prefered mode tracking.
 170          */
 171         unsigned pref_width;
 172         unsigned pref_height;
 173         bool pref_active;
 174         struct drm_display_mode *pref_mode;
 175
 176         /*
 177          * Gui positioning
 178          */
 179         int gui_x;
 180         int gui_y;
 181         bool is_implicit;
 182         bool active_implicit;
 183         int set_gui_x;
 184         int set_gui_y;
 185 };
 186
 187 #define vmw_crtc_to_du(x) \
 188         container_of(x, struct vmw_display_unit, crtc)
 189 #define vmw_connector_to_du(x) \
 190         container_of(x, struct vmw_display_unit, connector)
 191
 192
 193 /*
 194  * Shared display unit functions - vmwgfx_kms.c
 195  */
 196 void vmw_du_cleanup(struct vmw_display_unit *du);
 197 void vmw_du_crtc_save(struct drm_crtc *crtc);
 198 void vmw_du_crtc_restore(struct drm_crtc *crtc);
 199 int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
 200                            u16 *r, u16 *g, u16 *b,
 201                            uint32_t size);
 202 int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 203                             uint32_t handle, uint32_t width, uint32_t height,
 204                             int32_t hot_x, int32_t hot_y);
 205 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
 206 int vmw_du_connector_dpms(struct drm_connector *connector, int mode);
 207 void vmw_du_connector_save(struct drm_connector *connector);
 208 void vmw_du_connector_restore(struct drm_connector *connector);
 209 enum drm_connector_status
 210 vmw_du_connector_detect(struct drm_connector *connector, bool force);
 211 int vmw_du_connector_fill_modes(struct drm_connector *connector,
 212                                 uint32_t max_width, uint32_t max_height);
 213 int vmw_du_connector_set_property(struct drm_connector *connector,
 214                                   struct drm_property *property,
 215                                   uint64_t val);
 216 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
 217                          struct vmw_framebuffer *framebuffer,
 218                          const struct drm_clip_rect *clips,
 219                          const struct drm_vmw_rect *vclips,
 220                          s32 dest_x, s32 dest_y,
 221                          int num_clips,
 222                          int increment,
 223                          struct vmw_kms_dirty *dirty);
 224
 225 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
 226                                   struct vmw_dma_buffer *buf,
 227                                   bool interruptible,
 228                                   bool validate_as_mob);
 229 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf);
 230 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
 231                                   struct drm_file *file_priv,
 232                                   struct vmw_dma_buffer *buf,
 233                                   struct vmw_fence_obj **out_fence,
 234                                   struct drm_vmw_fence_rep __user *
 235                                   user_fence_rep);
 236 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
 237                                     bool interruptible);
 238 void vmw_kms_helper_resource_revert(struct vmw_resource *res);
 239 void vmw_kms_helper_resource_finish(struct vmw_resource *res,
 240                                     struct vmw_fence_obj **out_fence);
 241 int vmw_kms_readback(struct vmw_private *dev_priv,
 242                      struct drm_file *file_priv,
 243                      struct vmw_framebuffer *vfb,
 244                      struct drm_vmw_fence_rep __user *user_fence_rep,
 245                      struct drm_vmw_rect *vclips,
 246                      uint32_t num_clips);
 247 struct vmw_framebuffer *
 248 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
 249                         struct vmw_dma_buffer *dmabuf,
 250                         struct vmw_surface *surface,
 251                         bool only_2d,
 252                         const struct drm_mode_fb_cmd2 *mode_cmd);
 253 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
 254                             unsigned unit,
 255                             u32 max_width,
 256                             u32 max_height,
 257                             struct drm_connector **p_con,
 258                             struct drm_crtc **p_crtc,
 259                             struct drm_display_mode **p_mode);
 260 void vmw_guess_mode_timing(struct drm_display_mode *mode);
 261 void vmw_kms_del_active(struct vmw_private *dev_priv,
 262                         struct vmw_display_unit *du);
 263 void vmw_kms_add_active(struct vmw_private *dev_priv,
 264                         struct vmw_display_unit *du,
 265                         struct vmw_framebuffer *vfb);
 266 bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
 267                             struct drm_crtc *crtc);
 268 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
 269                                 struct drm_crtc *crtc);
 270 void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
 271                                                 bool immutable);
 272
 273
 274 /*
 275  * Legacy display unit functions - vmwgfx_ldu.c
 276  */
 277 int vmw_kms_ldu_init_display(struct vmw_private *dev_priv);
 278 int vmw_kms_ldu_close_display(struct vmw_private *dev_priv);
 279 int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
 280                                 struct vmw_framebuffer *framebuffer,
 281                                 unsigned flags, unsigned color,
 282                                 struct drm_clip_rect *clips,
 283                                 unsigned num_clips, int increment);
 284 int vmw_kms_update_proxy(struct vmw_resource *res,
 285                          const struct drm_clip_rect *clips,
 286                          unsigned num_clips,
 287                          int increment);
 288
 289 /*
 290  * Screen Objects display functions - vmwgfx_scrn.c
 291  */
 292 int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
 293 int vmw_kms_sou_close_display(struct vmw_private *dev_priv);
 294 int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
 295                                  struct vmw_framebuffer *framebuffer,
 296                                  struct drm_clip_rect *clips,
 297                                  struct drm_vmw_rect *vclips,
 298                                  struct vmw_resource *srf,
 299                                  s32 dest_x,
 300                                  s32 dest_y,
 301                                  unsigned num_clips, int inc,
 302                                  struct vmw_fence_obj **out_fence);
 303 int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv,
 304                                 struct vmw_framebuffer *framebuffer,
 305                                 struct drm_clip_rect *clips,
 306                                 struct drm_vmw_rect *vclips,
 307                                 unsigned num_clips, int increment,
 308                                 bool interruptible,
 309                                 struct vmw_fence_obj **out_fence);
 310 int vmw_kms_sou_readback(struct vmw_private *dev_priv,
 311                          struct drm_file *file_priv,
 312                          struct vmw_framebuffer *vfb,
 313                          struct drm_vmw_fence_rep __user *user_fence_rep,
 314                          struct drm_vmw_rect *vclips,
 315                          uint32_t num_clips);
 316
 317 /*
 318  * Screen Target Display Unit functions - vmwgfx_stdu.c
 319  */
 320 int vmw_kms_stdu_init_display(struct vmw_private *dev_priv);
 321 int vmw_kms_stdu_close_display(struct vmw_private *dev_priv);
 322 int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
 323                                struct vmw_framebuffer *framebuffer,
 324                                struct drm_clip_rect *clips,
 325                                struct drm_vmw_rect *vclips,
 326                                struct vmw_resource *srf,
 327                                s32 dest_x,
 328                                s32 dest_y,
 329                                unsigned num_clips, int inc,
 330                                struct vmw_fence_obj **out_fence);
 331 int vmw_kms_stdu_dma(struct vmw_private *dev_priv,
 332                      struct drm_file *file_priv,
 333                      struct vmw_framebuffer *vfb,
 334                      struct drm_vmw_fence_rep __user *user_fence_rep,
 335                      struct drm_clip_rect *clips,
 336                      struct drm_vmw_rect *vclips,
 337                      uint32_t num_clips,
 338                      int increment,
 339                      bool to_surface,
 340                      bool interruptible);
 341
 342
 343 #endif