1 /* 2 * Copyright (c) 2016 Intel Corporation 3 * 4 * Permission to use, copy, modify, distribute, and sell this software and its 5 * documentation for any purpose is hereby granted without fee, provided that 6 * the above copyright notice appear in all copies and that both that copyright 7 * notice and this permission notice appear in supporting documentation, and 8 * that the name of the copyright holders not be used in advertising or 9 * publicity pertaining to distribution of the software without specific, 10 * written prior permission. The copyright holders make no representations 11 * about the suitability of this software for any purpose. It is provided "as 12 * is" without express or implied warranty. 13 * 14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 20 * OF THIS SOFTWARE. 21 */ 22 23 #ifndef __DRM_COLOR_MGMT_H__ 24 #define __DRM_COLOR_MGMT_H__ 25 26 #include <linux/ctype.h> 27 28 struct drm_crtc; 29 struct drm_plane; 30 31 uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision); 32 33 void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc, 34 uint degamma_lut_size, 35 bool has_ctm, 36 uint gamma_lut_size); 37 38 int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 39 int gamma_size); 40 41 enum drm_color_encoding { 42 DRM_COLOR_YCBCR_BT601, 43 DRM_COLOR_YCBCR_BT709, 44 DRM_COLOR_YCBCR_BT2020, 45 DRM_COLOR_ENCODING_MAX, 46 }; 47 48 enum drm_color_range { 49 DRM_COLOR_YCBCR_LIMITED_RANGE, 50 DRM_COLOR_YCBCR_FULL_RANGE, 51 DRM_COLOR_RANGE_MAX, 52 }; 53 54 int drm_plane_create_color_properties(struct drm_plane *plane, 55 u32 supported_encodings, 56 u32 supported_ranges, 57 enum drm_color_encoding default_encoding, 58 enum drm_color_range default_range); 59 #endif 60