1 /* 2 * (C) Copyright 2008-2016 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _DRM_MODES_H 8 #define _DRM_MODES_H 9 10 #define DRM_DISPLAY_INFO_LEN 32 11 #define DRM_CONNECTOR_NAME_LEN 32 12 #define DRM_DISPLAY_MODE_LEN 32 13 #define DRM_PROP_NAME_LEN 32 14 15 #define DRM_MODE_TYPE_BUILTIN (1<<0) 16 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) 17 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) 18 #define DRM_MODE_TYPE_PREFERRED (1<<3) 19 #define DRM_MODE_TYPE_DEFAULT (1<<4) 20 #define DRM_MODE_TYPE_USERDEF (1<<5) 21 #define DRM_MODE_TYPE_DRIVER (1<<6) 22 23 /* Video mode flags */ 24 /* bit compatible with the xorg definitions. */ 25 #define DRM_MODE_FLAG_PHSYNC (1 << 0) 26 #define DRM_MODE_FLAG_NHSYNC (1 << 1) 27 #define DRM_MODE_FLAG_PVSYNC (1 << 2) 28 #define DRM_MODE_FLAG_NVSYNC (1 << 3) 29 #define DRM_MODE_FLAG_INTERLACE (1 << 4) 30 #define DRM_MODE_FLAG_DBLSCAN (1 << 5) 31 #define DRM_MODE_FLAG_CSYNC (1 << 6) 32 #define DRM_MODE_FLAG_PCSYNC (1 << 7) 33 #define DRM_MODE_FLAG_NCSYNC (1 << 8) 34 #define DRM_MODE_FLAG_HSKEW (1 << 9) /* hskew provided */ 35 #define DRM_MODE_FLAG_BCAST (1 << 10) 36 #define DRM_MODE_FLAG_PIXMUX (1 << 11) 37 #define DRM_MODE_FLAG_DBLCLK (1 << 12) 38 #define DRM_MODE_FLAG_CLKDIV2 (1 << 13) 39 #define DRM_MODE_FLAG_PPIXDATA BIT(31) 40 /* 41 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX 42 * (define not exposed to user space). 43 */ 44 #define DRM_MODE_FLAG_3D_MASK (0x1f << 14) 45 #define DRM_MODE_FLAG_3D_NONE (0 << 14) 46 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1 << 14) 47 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2 << 14) 48 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3 << 14) 49 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4 << 14) 50 #define DRM_MODE_FLAG_3D_L_DEPTH (5 << 14) 51 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6 << 14) 52 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7 << 14) 53 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8 << 14) 54 55 /* Panel Mirror control */ 56 #define DRM_MODE_FLAG_XMIRROR (1<<28) 57 #define DRM_MODE_FLAG_YMIRROR (1<<29) 58 #define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR) 59 60 /* Picture aspect ratio options */ 61 #define DRM_MODE_PICTURE_ASPECT_NONE 0 62 #define DRM_MODE_PICTURE_ASPECT_4_3 1 63 #define DRM_MODE_PICTURE_ASPECT_16_9 2 64 #define DRM_MODE_PICTURE_ASPECT_64_27 3 65 #define DRM_MODE_PICTURE_ASPECT_256_135 4 66 67 /* Aspect ratio flag bitmask (4 bits 22:19) */ 68 #define DRM_MODE_FLAG_PIC_AR_MASK (0x0F << 19) 69 #define DRM_MODE_FLAG_PIC_AR_NONE \ 70 (DRM_MODE_PICTURE_ASPECT_NONE << 19) 71 #define DRM_MODE_FLAG_PIC_AR_4_3 \ 72 (DRM_MODE_PICTURE_ASPECT_4_3 << 19) 73 #define DRM_MODE_FLAG_PIC_AR_16_9 \ 74 (DRM_MODE_PICTURE_ASPECT_16_9 << 19) 75 #define DRM_MODE_FLAG_PIC_AR_64_27 \ 76 (DRM_MODE_PICTURE_ASPECT_64_27 << 19) 77 #define DRM_MODE_FLAG_PIC_AR_256_135 \ 78 (DRM_MODE_PICTURE_ASPECT_256_135 << 19) 79 80 #define DRM_MODE_CONNECTOR_Unknown 0 81 #define DRM_MODE_CONNECTOR_VGA 1 82 #define DRM_MODE_CONNECTOR_DVII 2 83 #define DRM_MODE_CONNECTOR_DVID 3 84 #define DRM_MODE_CONNECTOR_DVIA 4 85 #define DRM_MODE_CONNECTOR_Composite 5 86 #define DRM_MODE_CONNECTOR_SVIDEO 6 87 #define DRM_MODE_CONNECTOR_LVDS 7 88 #define DRM_MODE_CONNECTOR_Component 8 89 #define DRM_MODE_CONNECTOR_9PinDIN 9 90 #define DRM_MODE_CONNECTOR_DisplayPort 10 91 #define DRM_MODE_CONNECTOR_HDMIA 11 92 #define DRM_MODE_CONNECTOR_HDMIB 12 93 #define DRM_MODE_CONNECTOR_TV 13 94 #define DRM_MODE_CONNECTOR_eDP 14 95 #define DRM_MODE_CONNECTOR_VIRTUAL 15 96 #define DRM_MODE_CONNECTOR_DSI 16 97 #define DRM_MODE_CONNECTOR_DPI 17 98 99 #define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) 100 #define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) 101 #define DRM_EDID_PT_SEPARATE_SYNC (3 << 3) 102 #define DRM_EDID_PT_STEREO (1 << 5) 103 #define DRM_EDID_PT_INTERLACED (1 << 7) 104 105 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 106 enum v4l2_colorspace { 107 /* 108 * Default colorspace, i.e. let the driver figure it out. 109 * Can only be used with video capture. 110 */ 111 V4L2_COLORSPACE_DEFAULT = 0, 112 113 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 114 V4L2_COLORSPACE_SMPTE170M = 1, 115 116 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 117 V4L2_COLORSPACE_SMPTE240M = 2, 118 119 /* Rec.709: used for HDTV */ 120 V4L2_COLORSPACE_REC709 = 3, 121 122 /* 123 * Deprecated, do not use. No driver will ever return this. This was 124 * based on a misunderstanding of the bt878 datasheet. 125 */ 126 V4L2_COLORSPACE_BT878 = 4, 127 128 /* 129 * NTSC 1953 colorspace. This only makes sense when dealing with 130 * really, really old NTSC recordings. Superseded by SMPTE 170M. 131 */ 132 V4L2_COLORSPACE_470_SYSTEM_M = 5, 133 134 /* 135 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 136 * dealing with really old PAL/SECAM recordings. Superseded by 137 * SMPTE 170M. 138 */ 139 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 140 141 /* 142 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 143 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 144 */ 145 V4L2_COLORSPACE_JPEG = 7, 146 147 /* For RGB colorspaces such as produces by most webcams. */ 148 V4L2_COLORSPACE_SRGB = 8, 149 150 /* AdobeRGB colorspace */ 151 V4L2_COLORSPACE_ADOBERGB = 9, 152 153 /* BT.2020 colorspace, used for UHDTV. */ 154 V4L2_COLORSPACE_BT2020 = 10, 155 156 /* Raw colorspace: for RAW unprocessed images */ 157 V4L2_COLORSPACE_RAW = 11, 158 159 /* DCI-P3 colorspace, used by cinema projectors */ 160 V4L2_COLORSPACE_DCI_P3 = 12, 161 }; 162 163 #define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */ 164 #define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */ 165 #define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */ 166 #define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */ 167 #define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | \ 168 CRTC_NO_VSCAN) 169 170 #define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF 171 172 #define DRM_MODE_MATCH_TIMINGS (1 << 0) 173 #define DRM_MODE_MATCH_CLOCK (1 << 1) 174 #define DRM_MODE_MATCH_FLAGS (1 << 2) 175 #define DRM_MODE_MATCH_3D_FLAGS (1 << 3) 176 #define DRM_MODE_MATCH_ASPECT_RATIO (1 << 4) 177 178 struct drm_display_mode { 179 /* Proposed mode values */ 180 int clock; /* in kHz */ 181 int hdisplay; 182 int hsync_start; 183 int hsync_end; 184 int htotal; 185 int vdisplay; 186 int vsync_start; 187 int vsync_end; 188 int vtotal; 189 int vrefresh; 190 int vscan; 191 unsigned int flags; 192 int picture_aspect_ratio; 193 int hskew; 194 unsigned int type; 195 /* Actual mode we give to hw */ 196 int crtc_clock; /* in KHz */ 197 int crtc_hdisplay; 198 int crtc_hblank_start; 199 int crtc_hblank_end; 200 int crtc_hsync_start; 201 int crtc_hsync_end; 202 int crtc_htotal; 203 int crtc_hskew; 204 int crtc_vdisplay; 205 int crtc_vblank_start; 206 int crtc_vblank_end; 207 int crtc_vsync_start; 208 int crtc_vsync_end; 209 int crtc_vtotal; 210 bool invalid; 211 }; 212 213 struct drm_display_mode *drm_mode_create(void); 214 void drm_mode_destroy(struct drm_display_mode *mode); 215 bool drm_mode_match(const struct drm_display_mode *mode1, 216 const struct drm_display_mode *mode2, 217 unsigned int match_flags); 218 bool drm_mode_equal(const struct drm_display_mode *mode1, 219 const struct drm_display_mode *mode2); 220 221 #endif 222