Daniel Vetter | f1e2f66 | 2016-09-21 10:59:28 +0200 | [diff] [blame] | 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 | |
Jyri Sarha | d1841d3 | 2017-04-21 12:51:12 +0300 | [diff] [blame] | 28 | struct drm_crtc; |
Jyri Sarha | 80f690e | 2018-02-19 22:28:23 +0200 | [diff] [blame] | 29 | struct drm_plane; |
Jyri Sarha | d1841d3 | 2017-04-21 12:51:12 +0300 | [diff] [blame] | 30 | |
Jani Nikula | 8f2e045 | 2017-01-27 17:34:51 +0200 | [diff] [blame] | 31 | uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision); |
| 32 | |
Daniel Vetter | f1e2f66 | 2016-09-21 10:59:28 +0200 | [diff] [blame] | 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 | |
Ville Syrjälä | 41204df | 2018-03-15 17:23:38 +0200 | [diff] [blame] | 41 | /** |
| 42 | * drm_color_lut_size - calculate the number of entries in the LUT |
| 43 | * @blob: blob containing the LUT |
| 44 | * |
| 45 | * Returns: |
| 46 | * The number of entries in the color LUT stored in @blob. |
| 47 | */ |
| 48 | static inline int drm_color_lut_size(const struct drm_property_blob *blob) |
| 49 | { |
| 50 | return blob->length / sizeof(struct drm_color_lut); |
| 51 | } |
| 52 | |
Jyri Sarha | 80f690e | 2018-02-19 22:28:23 +0200 | [diff] [blame] | 53 | enum drm_color_encoding { |
| 54 | DRM_COLOR_YCBCR_BT601, |
| 55 | DRM_COLOR_YCBCR_BT709, |
| 56 | DRM_COLOR_YCBCR_BT2020, |
| 57 | DRM_COLOR_ENCODING_MAX, |
| 58 | }; |
| 59 | |
| 60 | enum drm_color_range { |
| 61 | DRM_COLOR_YCBCR_LIMITED_RANGE, |
| 62 | DRM_COLOR_YCBCR_FULL_RANGE, |
| 63 | DRM_COLOR_RANGE_MAX, |
| 64 | }; |
| 65 | |
| 66 | int drm_plane_create_color_properties(struct drm_plane *plane, |
| 67 | u32 supported_encodings, |
| 68 | u32 supported_ranges, |
| 69 | enum drm_color_encoding default_encoding, |
| 70 | enum drm_color_range default_range); |
Daniel Vetter | f1e2f66 | 2016-09-21 10:59:28 +0200 | [diff] [blame] | 71 | #endif |