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      1 /*
      2  * Copyright (c) 2007 Dave Airlie <airlied (at) linux.ie>
      3  * Copyright (c) 2007 Jakob Bornecrantz <wallbraker (at) 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