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 
35 #define vmw_framebuffer_to_vfb(x) \
36 	container_of(x, struct vmw_framebuffer, base)
37 
38 /**
39  * Base class for framebuffers
40  *
41  * @pin is called the when ever a crtc uses this framebuffer
42  * @unpin is called
43  */
44 struct vmw_framebuffer {
45 	struct drm_framebuffer base;
46 	int (*pin)(struct vmw_framebuffer *fb);
47 	int (*unpin)(struct vmw_framebuffer *fb);
48 };
49 
50 
51 #define vmw_crtc_to_du(x) \
52 	container_of(x, struct vmw_display_unit, crtc)
53 
54 /*
55  * Basic cursor manipulation
56  */
57 int vmw_cursor_update_image(struct vmw_private *dev_priv,
58 			    u32 *image, u32 width, u32 height,
59 			    u32 hotspotX, u32 hotspotY);
60 void vmw_cursor_update_position(struct vmw_private *dev_priv,
61 				bool show, int x, int y);
62 
63 /**
64  * Base class display unit.
65  *
66  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
67  * so the display unit is all of them at the same time. This is true for both
68  * legacy multimon and screen objects.
69  */
70 struct vmw_display_unit {
71 	struct drm_crtc crtc;
72 	struct drm_encoder encoder;
73 	struct drm_connector connector;
74 
75 	struct vmw_surface *cursor_surface;
76 	struct vmw_dma_buffer *cursor_dmabuf;
77 	size_t cursor_age;
78 
79 	int cursor_x;
80 	int cursor_y;
81 
82 	int hotspot_x;
83 	int hotspot_y;
84 
85 	unsigned unit;
86 };
87 
88 /*
89  * Shared display unit functions - vmwgfx_kms.c
90  */
91 void vmw_display_unit_cleanup(struct vmw_display_unit *du);
92 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
93 			   uint32_t handle, uint32_t width, uint32_t height);
94 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
95 
96 /*
97  * Legacy display unit functions - vmwgfx_ldu.c
98  */
99 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
100 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
101 int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num,
102 			      struct drm_vmw_rect *rects);
103 
104 #endif
105