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 #include "fdtdec.h" 11 12 #define DRM_DISPLAY_INFO_LEN 32 13 #define DRM_CONNECTOR_NAME_LEN 32 14 #define DRM_DISPLAY_MODE_LEN 32 15 #define DRM_PROP_NAME_LEN 32 16 17 #define DRM_MODE_TYPE_BUILTIN (1<<0) 18 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) 19 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) 20 #define DRM_MODE_TYPE_PREFERRED (1<<3) 21 #define DRM_MODE_TYPE_DEFAULT (1<<4) 22 #define DRM_MODE_TYPE_USERDEF (1<<5) 23 #define DRM_MODE_TYPE_DRIVER (1<<6) 24 25 /* Video mode flags */ 26 /* bit compatible with the xorg definitions. */ 27 #define DRM_MODE_FLAG_PHSYNC (1 << 0) 28 #define DRM_MODE_FLAG_NHSYNC (1 << 1) 29 #define DRM_MODE_FLAG_PVSYNC (1 << 2) 30 #define DRM_MODE_FLAG_NVSYNC (1 << 3) 31 #define DRM_MODE_FLAG_INTERLACE (1 << 4) 32 #define DRM_MODE_FLAG_DBLSCAN (1 << 5) 33 #define DRM_MODE_FLAG_CSYNC (1 << 6) 34 #define DRM_MODE_FLAG_PCSYNC (1 << 7) 35 #define DRM_MODE_FLAG_NCSYNC (1 << 8) 36 #define DRM_MODE_FLAG_HSKEW (1 << 9) /* hskew provided */ 37 #define DRM_MODE_FLAG_BCAST (1 << 10) 38 #define DRM_MODE_FLAG_PIXMUX (1 << 11) 39 #define DRM_MODE_FLAG_DBLCLK (1 << 12) 40 #define DRM_MODE_FLAG_CLKDIV2 (1 << 13) 41 #define DRM_MODE_FLAG_PPIXDATA BIT(31) 42 /* 43 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX 44 * (define not exposed to user space). 45 */ 46 #define DRM_MODE_FLAG_3D_MASK (0x1f << 14) 47 #define DRM_MODE_FLAG_3D_NONE (0 << 14) 48 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1 << 14) 49 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2 << 14) 50 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3 << 14) 51 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4 << 14) 52 #define DRM_MODE_FLAG_3D_L_DEPTH (5 << 14) 53 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6 << 14) 54 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7 << 14) 55 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8 << 14) 56 57 /* Panel Mirror control */ 58 #define DRM_MODE_FLAG_XMIRROR (1<<28) 59 #define DRM_MODE_FLAG_YMIRROR (1<<29) 60 #define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR) 61 62 /* Picture aspect ratio options */ 63 #define DRM_MODE_PICTURE_ASPECT_NONE 0 64 #define DRM_MODE_PICTURE_ASPECT_4_3 1 65 #define DRM_MODE_PICTURE_ASPECT_16_9 2 66 #define DRM_MODE_PICTURE_ASPECT_64_27 3 67 #define DRM_MODE_PICTURE_ASPECT_256_135 4 68 69 /* Aspect ratio flag bitmask (4 bits 22:19) */ 70 #define DRM_MODE_FLAG_PIC_AR_MASK (0x0F << 19) 71 #define DRM_MODE_FLAG_PIC_AR_NONE \ 72 (DRM_MODE_PICTURE_ASPECT_NONE << 19) 73 #define DRM_MODE_FLAG_PIC_AR_4_3 \ 74 (DRM_MODE_PICTURE_ASPECT_4_3 << 19) 75 #define DRM_MODE_FLAG_PIC_AR_16_9 \ 76 (DRM_MODE_PICTURE_ASPECT_16_9 << 19) 77 #define DRM_MODE_FLAG_PIC_AR_64_27 \ 78 (DRM_MODE_PICTURE_ASPECT_64_27 << 19) 79 #define DRM_MODE_FLAG_PIC_AR_256_135 \ 80 (DRM_MODE_PICTURE_ASPECT_256_135 << 19) 81 82 #define DRM_MODE_CONNECTOR_Unknown 0 83 #define DRM_MODE_CONNECTOR_VGA 1 84 #define DRM_MODE_CONNECTOR_DVII 2 85 #define DRM_MODE_CONNECTOR_DVID 3 86 #define DRM_MODE_CONNECTOR_DVIA 4 87 #define DRM_MODE_CONNECTOR_Composite 5 88 #define DRM_MODE_CONNECTOR_SVIDEO 6 89 #define DRM_MODE_CONNECTOR_LVDS 7 90 #define DRM_MODE_CONNECTOR_Component 8 91 #define DRM_MODE_CONNECTOR_9PinDIN 9 92 #define DRM_MODE_CONNECTOR_DisplayPort 10 93 #define DRM_MODE_CONNECTOR_HDMIA 11 94 #define DRM_MODE_CONNECTOR_HDMIB 12 95 #define DRM_MODE_CONNECTOR_TV 13 96 #define DRM_MODE_CONNECTOR_eDP 14 97 #define DRM_MODE_CONNECTOR_VIRTUAL 15 98 #define DRM_MODE_CONNECTOR_DSI 16 99 #define DRM_MODE_CONNECTOR_DPI 17 100 101 #define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) 102 #define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) 103 #define DRM_EDID_PT_SEPARATE_SYNC (3 << 3) 104 #define DRM_EDID_PT_STEREO (1 << 5) 105 #define DRM_EDID_PT_INTERLACED (1 << 7) 106 107 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 108 enum v4l2_colorspace { 109 /* 110 * Default colorspace, i.e. let the driver figure it out. 111 * Can only be used with video capture. 112 */ 113 V4L2_COLORSPACE_DEFAULT = 0, 114 115 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 116 V4L2_COLORSPACE_SMPTE170M = 1, 117 118 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 119 V4L2_COLORSPACE_SMPTE240M = 2, 120 121 /* Rec.709: used for HDTV */ 122 V4L2_COLORSPACE_REC709 = 3, 123 124 /* 125 * Deprecated, do not use. No driver will ever return this. This was 126 * based on a misunderstanding of the bt878 datasheet. 127 */ 128 V4L2_COLORSPACE_BT878 = 4, 129 130 /* 131 * NTSC 1953 colorspace. This only makes sense when dealing with 132 * really, really old NTSC recordings. Superseded by SMPTE 170M. 133 */ 134 V4L2_COLORSPACE_470_SYSTEM_M = 5, 135 136 /* 137 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 138 * dealing with really old PAL/SECAM recordings. Superseded by 139 * SMPTE 170M. 140 */ 141 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 142 143 /* 144 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 145 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 146 */ 147 V4L2_COLORSPACE_JPEG = 7, 148 149 /* For RGB colorspaces such as produces by most webcams. */ 150 V4L2_COLORSPACE_SRGB = 8, 151 152 /* AdobeRGB colorspace */ 153 V4L2_COLORSPACE_ADOBERGB = 9, 154 155 /* BT.2020 colorspace, used for UHDTV. */ 156 V4L2_COLORSPACE_BT2020 = 10, 157 158 /* Raw colorspace: for RAW unprocessed images */ 159 V4L2_COLORSPACE_RAW = 11, 160 161 /* DCI-P3 colorspace, used by cinema projectors */ 162 V4L2_COLORSPACE_DCI_P3 = 12, 163 }; 164 165 #define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */ 166 #define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */ 167 #define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */ 168 #define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */ 169 #define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | \ 170 CRTC_NO_VSCAN) 171 172 #define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF 173 174 #define DRM_MODE_MATCH_TIMINGS (1 << 0) 175 #define DRM_MODE_MATCH_CLOCK (1 << 1) 176 #define DRM_MODE_MATCH_FLAGS (1 << 2) 177 #define DRM_MODE_MATCH_3D_FLAGS (1 << 3) 178 #define DRM_MODE_MATCH_ASPECT_RATIO (1 << 4) 179 180 struct drm_display_mode { 181 /* Proposed mode values */ 182 int clock; /* in kHz */ 183 int hdisplay; 184 int hsync_start; 185 int hsync_end; 186 int htotal; 187 int vdisplay; 188 int vsync_start; 189 int vsync_end; 190 int vtotal; 191 int vrefresh; 192 int vscan; 193 unsigned int flags; 194 int picture_aspect_ratio; 195 int hskew; 196 unsigned int type; 197 /* Actual mode we give to hw */ 198 int crtc_clock; /* in KHz */ 199 int crtc_hdisplay; 200 int crtc_hblank_start; 201 int crtc_hblank_end; 202 int crtc_hsync_start; 203 int crtc_hsync_end; 204 int crtc_htotal; 205 int crtc_hskew; 206 int crtc_vdisplay; 207 int crtc_vblank_start; 208 int crtc_vblank_end; 209 int crtc_vsync_start; 210 int crtc_vsync_end; 211 int crtc_vtotal; 212 bool invalid; 213 }; 214 215 /* 216 * Subsystem independent description of a videomode. 217 * Can be generated from struct display_timing. 218 */ 219 struct videomode { 220 unsigned long pixelclock; /* pixelclock in Hz */ 221 222 u32 hactive; 223 u32 hfront_porch; 224 u32 hback_porch; 225 u32 hsync_len; 226 227 u32 vactive; 228 u32 vfront_porch; 229 u32 vback_porch; 230 u32 vsync_len; 231 232 enum display_flags flags; /* display flags */ 233 }; 234 235 struct drm_display_mode *drm_mode_create(void); 236 void drm_mode_destroy(struct drm_display_mode *mode); 237 bool drm_mode_match(const struct drm_display_mode *mode1, 238 const struct drm_display_mode *mode2, 239 unsigned int match_flags); 240 bool drm_mode_equal(const struct drm_display_mode *mode1, 241 const struct drm_display_mode *mode2); 242 void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, 243 struct videomode *vm); 244 245 #endif 246