xref: /linux/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h (revision f2ee442115c9b6219083c019939a9cc0c9abb2f8)
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,
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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 #define VMWGFX_NUM_DISPLAY_UNITS 8
35 
36 
37 #define vmw_framebuffer_to_vfb(x) \
38 	container_of(x, struct vmw_framebuffer, base)
39 
40 /**
41  * Base class for framebuffers
42  *
43  * @pin is called the when ever a crtc uses this framebuffer
44  * @unpin is called
45  */
46 struct vmw_framebuffer {
47 	struct drm_framebuffer base;
48 	int (*pin)(struct vmw_framebuffer *fb);
49 	int (*unpin)(struct vmw_framebuffer *fb);
50 	bool dmabuf;
51 	struct ttm_base_object *user_obj;
52 	uint32_t user_handle;
53 };
54 
55 
56 #define vmw_crtc_to_du(x) \
57 	container_of(x, struct vmw_display_unit, crtc)
58 
59 /*
60  * Basic cursor manipulation
61  */
62 int vmw_cursor_update_image(struct vmw_private *dev_priv,
63 			    u32 *image, u32 width, u32 height,
64 			    u32 hotspotX, u32 hotspotY);
65 void vmw_cursor_update_position(struct vmw_private *dev_priv,
66 				bool show, int x, int y);
67 
68 /**
69  * Base class display unit.
70  *
71  * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector
72  * so the display unit is all of them at the same time. This is true for both
73  * legacy multimon and screen objects.
74  */
75 struct vmw_display_unit {
76 	struct drm_crtc crtc;
77 	struct drm_encoder encoder;
78 	struct drm_connector connector;
79 
80 	struct vmw_surface *cursor_surface;
81 	struct vmw_dma_buffer *cursor_dmabuf;
82 	size_t cursor_age;
83 
84 	int cursor_x;
85 	int cursor_y;
86 
87 	int hotspot_x;
88 	int hotspot_y;
89 
90 	unsigned unit;
91 
92 	/*
93 	 * Prefered mode tracking.
94 	 */
95 	unsigned pref_width;
96 	unsigned pref_height;
97 	bool pref_active;
98 	struct drm_display_mode *pref_mode;
99 
100 	/*
101 	 * Gui positioning
102 	 */
103 	int gui_x;
104 	int gui_y;
105 	bool is_implicit;
106 };
107 
108 #define vmw_crtc_to_du(x) \
109 	container_of(x, struct vmw_display_unit, crtc)
110 #define vmw_connector_to_du(x) \
111 	container_of(x, struct vmw_display_unit, connector)
112 
113 
114 /*
115  * Shared display unit functions - vmwgfx_kms.c
116  */
117 void vmw_display_unit_cleanup(struct vmw_display_unit *du);
118 void vmw_du_crtc_save(struct drm_crtc *crtc);
119 void vmw_du_crtc_restore(struct drm_crtc *crtc);
120 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
121 			   u16 *r, u16 *g, u16 *b,
122 			   uint32_t start, uint32_t size);
123 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
124 			   uint32_t handle, uint32_t width, uint32_t height);
125 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
126 void vmw_du_connector_dpms(struct drm_connector *connector, int mode);
127 void vmw_du_connector_save(struct drm_connector *connector);
128 void vmw_du_connector_restore(struct drm_connector *connector);
129 enum drm_connector_status
130 vmw_du_connector_detect(struct drm_connector *connector, bool force);
131 int vmw_du_connector_fill_modes(struct drm_connector *connector,
132 				uint32_t max_width, uint32_t max_height);
133 int vmw_du_connector_set_property(struct drm_connector *connector,
134 				  struct drm_property *property,
135 				  uint64_t val);
136 
137 
138 /*
139  * Legacy display unit functions - vmwgfx_ldu.c
140  */
141 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv);
142 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv);
143 
144 /*
145  * Screen Objects display functions - vmwgfx_scrn.c
146  */
147 int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv);
148 int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv);
149 int vmw_kms_sou_update_layout(struct vmw_private *dev_priv, unsigned num,
150 			      struct drm_vmw_rect *rects);
151 
152 #endif
153