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 "drm_crtc_helper.h"
33 #include "vmwgfx_drv.h"
34 
35 #define VMWGFX_NUM_DISPLAY_UNITS 8
36 
37 
38 #define vmw_framebuffer_to_vfb(x) \
39 	container_of(x, struct vmw_framebuffer, base)
40 
41 /**
42  * Base class for framebuffers
43  *
44  * @pin is called the when ever a crtc uses this framebuffer
45  * @unpin is called
46  */
47 struct vmw_framebuffer {
48 	struct drm_framebuffer base;
49 	int (*pin)(struct vmw_framebuffer *fb);
50 	int (*unpin)(struct vmw_framebuffer *fb);
51 	bool dmabuf;
52 	struct ttm_base_object *user_obj;
53 	uint32_t user_handle;
54 };
55 
56 
57 #define vmw_crtc_to_du(x) \
58 	container_of(x, struct vmw_display_unit, crtc)
59 
60 /*
61  * Basic cursor manipulation
62  */
63 int vmw_cursor_update_image(struct vmw_private *dev_priv,
64 			    u32 *image, u32 width, u32 height,
65 			    u32 hotspotX, u32 hotspotY);
66 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
67 			     struct vmw_dma_buffer *dmabuf,
68 			     u32 width, u32 height,
69 			     u32 hotspotX, u32 hotspotY);
70 void vmw_cursor_update_position(struct vmw_private *dev_priv,
71 				bool show, int x, int y);
72 
73 
74 /**
75  * Base class display unit.
76  *
77  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
78  * so the display unit is all of them at the same time. This is true for both
79  * legacy multimon and screen objects.
80  */
81 struct vmw_display_unit {
82 	struct drm_crtc crtc;
83 	struct drm_encoder encoder;
84 	struct drm_connector connector;
85 
86 	struct vmw_surface *cursor_surface;
87 	struct vmw_dma_buffer *cursor_dmabuf;
88 	size_t cursor_age;
89 
90 	int cursor_x;
91 	int cursor_y;
92 
93 	int hotspot_x;
94 	int hotspot_y;
95 
96 	unsigned unit;
97 
98 	/*
99 	 * Prefered mode tracking.
100 	 */
101 	unsigned pref_width;
102 	unsigned pref_height;
103 	bool pref_active;
104 	struct drm_display_mode *pref_mode;
105 
106 	/*
107 	 * Gui positioning
108 	 */
109 	int gui_x;
110 	int gui_y;
111 	bool is_implicit;
112 };
113 
114 #define vmw_crtc_to_du(x) \
115 	container_of(x, struct vmw_display_unit, crtc)
116 #define vmw_connector_to_du(x) \
117 	container_of(x, struct vmw_display_unit, connector)
118 
119 
120 /*
121  * Shared display unit functions - vmwgfx_kms.c
122  */
123 void vmw_display_unit_cleanup(struct vmw_display_unit *du);
124 int vmw_du_page_flip(struct drm_crtc *crtc,
125 		     struct drm_framebuffer *fb,
126 		     struct drm_pending_vblank_event *event);
127 void vmw_du_crtc_save(struct drm_crtc *crtc);
128 void vmw_du_crtc_restore(struct drm_crtc *crtc);
129 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
130 			   u16 *r, u16 *g, u16 *b,
131 			   uint32_t start, uint32_t size);
132 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
133 			   uint32_t handle, uint32_t width, uint32_t height);
134 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
135 void vmw_du_connector_dpms(struct drm_connector *connector, int mode);
136 void vmw_du_connector_save(struct drm_connector *connector);
137 void vmw_du_connector_restore(struct drm_connector *connector);
138 enum drm_connector_status
139 vmw_du_connector_detect(struct drm_connector *connector, bool force);
140 int vmw_du_connector_fill_modes(struct drm_connector *connector,
141 				uint32_t max_width, uint32_t max_height);
142 int vmw_du_connector_set_property(struct drm_connector *connector,
143 				  struct drm_property *property,
144 				  uint64_t val);
145 
146 
147 /*
148  * Legacy display unit functions - vmwgfx_ldu.c
149  */
150 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
151 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
152 
153 /*
154  * Screen Objects display functions - vmwgfx_scrn.c
155  */
156 int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv);
157 int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv);
158 int vmw_kms_sou_update_layout(struct vmw_private *dev_priv, unsigned num,
159 			      struct drm_vmw_rect *rects);
160 bool vmw_kms_screen_object_flippable(struct vmw_private *dev_priv,
161 				     struct drm_crtc *crtc);
162 void vmw_kms_screen_object_update_implicit_fb(struct vmw_private *dev_priv,
163 					      struct drm_crtc *crtc);
164 
165 
166 #endif
167