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1 /*

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 */

27 #ifndef _DRM_MODE_H

28 #define _DRM_MODE_H

30 #ifdef __linux__

31 #if !defined(__KERNEL__) && !defined(_KERNEL)

32 #include <stdint.h>

33 #else

34 #include <linux/kernel.h>

35 #endif

36 #endif

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

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)

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)

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

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

81 /* Dithering mode options */

82 #define DRM_MODE_DITHERING_OFF 0

83 #define DRM_MODE_DITHERING_ON 1

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;

90 uint32_t vrefresh; /* vertical refresh * 1000 */

92 uint32_t flags;

93 uint32_t type;

94 char name[DRM_DISPLAY_MODE_LEN];

95 };

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