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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
344