1 /*
2  * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
3  * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>
4  * Copyright (c) 2008 Red Hat Inc.
5  * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
6  * Copyright (c) 2007-2008 Intel Corporation
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24  * IN THE SOFTWARE.
25  */
26 
27 #ifndef _DRM_MODE_H
28 #define _DRM_MODE_H
29 
30 #ifdef __linux__
31 #if !defined(__KERNEL__) && !defined(_KERNEL)
32 #include <stdint.h>
33 #else
34 #include <linux/kernel.h>
35 #endif
36 #endif
37 
38 #define DRM_DISPLAY_INFO_LEN  32
39 #define DRM_CONNECTOR_NAME_LEN          32
40 #define DRM_DISPLAY_MODE_LEN  32
41 #define DRM_PROP_NAME_LEN     32
42 
43 #define DRM_MODE_TYPE_BUILTIN (1<<0)
44 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
45 #define DRM_MODE_TYPE_CRTC_C  ((1<<2) | DRM_MODE_TYPE_BUILTIN)
46 #define DRM_MODE_TYPE_PREFERRED         (1<<3)
47 #define DRM_MODE_TYPE_DEFAULT (1<<4)
48 #define DRM_MODE_TYPE_USERDEF (1<<5)
49 #define DRM_MODE_TYPE_DRIVER  (1<<6)
50 
51 /* Video mode flags */
52 /* bit compatible with the xorg definitions. */
53 #define DRM_MODE_FLAG_PHSYNC  (1<<0)
54 #define DRM_MODE_FLAG_NHSYNC  (1<<1)
55 #define DRM_MODE_FLAG_PVSYNC  (1<<2)
56 #define DRM_MODE_FLAG_NVSYNC  (1<<3)
57 #define DRM_MODE_FLAG_INTERLACE         (1<<4)
58 #define DRM_MODE_FLAG_DBLSCAN (1<<5)
59 #define DRM_MODE_FLAG_CSYNC   (1<<6)
60 #define DRM_MODE_FLAG_PCSYNC  (1<<7)
61 #define DRM_MODE_FLAG_NCSYNC  (1<<8)
62 #define DRM_MODE_FLAG_HSKEW   (1<<9) /* hskew provided */
63 #define DRM_MODE_FLAG_BCAST   (1<<10)
64 #define DRM_MODE_FLAG_PIXMUX  (1<<11)
65 #define DRM_MODE_FLAG_DBLCLK  (1<<12)
66 #define DRM_MODE_FLAG_CLKDIV2 (1<<13)
67 
68 /* DPMS flags */
69 /* bit compatible with the xorg definitions. */
70 #define DRM_MODE_DPMS_ON      0
71 #define DRM_MODE_DPMS_STANDBY 1
72 #define DRM_MODE_DPMS_SUSPEND 2
73 #define DRM_MODE_DPMS_OFF     3
74 
75 /* Scaling mode options */
76 #define DRM_MODE_SCALE_NON_GPU                    0
77 #define DRM_MODE_SCALE_FULLSCREEN       1
78 #define DRM_MODE_SCALE_NO_SCALE                   2
79 #define DRM_MODE_SCALE_ASPECT           3
80 
81 /* Dithering mode options */
82 #define DRM_MODE_DITHERING_OFF          0
83 #define DRM_MODE_DITHERING_ON 1
84 
85 struct drm_mode_modeinfo {
86           uint32_t clock;
87           uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
88           uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
89 
90           uint32_t vrefresh; /* vertical refresh * 1000 */
91 
92           uint32_t flags;
93           uint32_t type;
94           char name[DRM_DISPLAY_MODE_LEN];
95 };
96 
97 struct drm_mode_card_res {
98           uint64_t fb_id_ptr;
99           uint64_t crtc_id_ptr;
100           uint64_t connector_id_ptr;
101           uint64_t encoder_id_ptr;
102           uint32_t count_fbs;
103           uint32_t count_crtcs;
104           uint32_t count_connectors;
105           uint32_t count_encoders;
106           uint32_t min_width, max_width;
107           uint32_t min_height, max_height;
108 };
109 
110 struct drm_mode_crtc {
111           uint64_t set_connectors_ptr;
112           uint32_t count_connectors;
113 
114           uint32_t crtc_id; /**< Id */
115           uint32_t fb_id; /**< Id of framebuffer */
116 
117           uint32_t x, y; /**< Position on the frameuffer */
118 
119           uint32_t gamma_size;
120           uint32_t mode_valid;
121           struct drm_mode_modeinfo mode;
122 };
123 
124 #define DRM_MODE_ENCODER_NONE 0
125 #define DRM_MODE_ENCODER_DAC  1
126 #define DRM_MODE_ENCODER_TMDS 2
127 #define DRM_MODE_ENCODER_LVDS 3
128 #define DRM_MODE_ENCODER_TVDAC          4
129 
130 struct drm_mode_get_encoder {
131           uint32_t encoder_id;
132           uint32_t encoder_type;
133 
134           uint32_t crtc_id; /**< Id of crtc */
135 
136           uint32_t possible_crtcs;
137           uint32_t possible_clones;
138 };
139 
140 /* This is for connectors with multiple signal types. */
141 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
142 #define DRM_MODE_SUBCONNECTOR_Automatic 0
143 #define DRM_MODE_SUBCONNECTOR_Unknown   0
144 #define DRM_MODE_SUBCONNECTOR_DVID      3
145 #define DRM_MODE_SUBCONNECTOR_DVIA      4
146 #define DRM_MODE_SUBCONNECTOR_Composite 5
147 #define DRM_MODE_SUBCONNECTOR_SVIDEO    6
148 #define DRM_MODE_SUBCONNECTOR_Component 8
149 
150 #define DRM_MODE_CONNECTOR_Unknown      0
151 #define DRM_MODE_CONNECTOR_VGA                    1
152 #define DRM_MODE_CONNECTOR_DVII                   2
153 #define DRM_MODE_CONNECTOR_DVID                   3
154 #define DRM_MODE_CONNECTOR_DVIA                   4
155 #define DRM_MODE_CONNECTOR_Composite    5
156 #define DRM_MODE_CONNECTOR_SVIDEO       6
157 #define DRM_MODE_CONNECTOR_LVDS                   7
158 #define DRM_MODE_CONNECTOR_Component    8
159 #define DRM_MODE_CONNECTOR_9PinDIN      9
160 #define DRM_MODE_CONNECTOR_DisplayPort  10
161 #define DRM_MODE_CONNECTOR_HDMIA        11
162 #define DRM_MODE_CONNECTOR_HDMIB        12
163 
164 struct drm_mode_get_connector {
165 
166           uint64_t encoders_ptr;
167           uint64_t modes_ptr;
168           uint64_t props_ptr;
169           uint64_t prop_values_ptr;
170 
171           uint32_t count_modes;
172           uint32_t count_props;
173           uint32_t count_encoders;
174 
175           uint32_t encoder_id; /**< Current Encoder */
176           uint32_t connector_id; /**< Id */
177           uint32_t connector_type;
178           uint32_t connector_type_id;
179 
180           uint32_t connection;
181           uint32_t mm_width, mm_height; /**< HxW in millimeters */
182           uint32_t subpixel;
183 };
184 
185 #define DRM_MODE_PROP_PENDING (1<<0)
186 #define DRM_MODE_PROP_RANGE   (1<<1)
187 #define DRM_MODE_PROP_IMMUTABLE         (1<<2)
188 #define DRM_MODE_PROP_ENUM    (1<<3) /* enumerated type with text strings */
189 #define DRM_MODE_PROP_BLOB    (1<<4)
190 
191 struct drm_mode_property_enum {
192           uint64_t value;
193           char name[DRM_PROP_NAME_LEN];
194 };
195 
196 struct drm_mode_get_property {
197           uint64_t values_ptr; /* values and blob lengths */
198           uint64_t enum_blob_ptr; /* enum and blob id ptrs */
199 
200           uint32_t prop_id;
201           uint32_t flags;
202           char name[DRM_PROP_NAME_LEN];
203 
204           uint32_t count_values;
205           uint32_t count_enum_blobs;
206 };
207 
208 struct drm_mode_connector_set_property {
209           uint64_t value;
210           uint32_t prop_id;
211           uint32_t connector_id;
212 };
213 
214 struct drm_mode_get_blob {
215           uint32_t blob_id;
216           uint32_t length;
217           uint64_t data;
218 };
219 
220 struct drm_mode_fb_cmd {
221           uint32_t fb_id;
222           uint32_t width, height;
223           uint32_t pitch;
224           uint32_t bpp;
225           uint32_t depth;
226           /* driver specific handle */
227           uint32_t handle;
228 };
229 
230 struct drm_mode_mode_cmd {
231           uint32_t connector_id;
232           struct drm_mode_modeinfo mode;
233 };
234 
235 #define DRM_MODE_CURSOR_BO    (1<<0)
236 #define DRM_MODE_CURSOR_MOVE  (1<<1)
237 
238 /*
239  * depending on the value in flags diffrent members are used.
240  *
241  * CURSOR_BO uses
242  *    crtc
243  *    width
244  *    height
245  *    handle - if 0 turns the cursor of
246  *
247  * CURSOR_MOVE uses
248  *    crtc
249  *    x
250  *    y
251  */
252 struct drm_mode_cursor {
253           uint32_t flags;
254           uint32_t crtc_id;
255           int32_t x;
256           int32_t y;
257           uint32_t width;
258           uint32_t height;
259           /* driver specific handle */
260           uint32_t handle;
261 };
262 
263 struct drm_mode_crtc_lut {
264           uint32_t crtc_id;
265           uint32_t gamma_size;
266 
267           /* pointers to arrays */
268           uint64_t red;
269           uint64_t green;
270           uint64_t blue;
271 };
272 
273 #endif
274