xref: /openbmc/linux/include/drm/drm_color_mgmt.h (revision 8f2e045e)
1f1e2f66cSDaniel Vetter /*
2f1e2f66cSDaniel Vetter  * Copyright (c) 2016 Intel Corporation
3f1e2f66cSDaniel Vetter  *
4f1e2f66cSDaniel Vetter  * Permission to use, copy, modify, distribute, and sell this software and its
5f1e2f66cSDaniel Vetter  * documentation for any purpose is hereby granted without fee, provided that
6f1e2f66cSDaniel Vetter  * the above copyright notice appear in all copies and that both that copyright
7f1e2f66cSDaniel Vetter  * notice and this permission notice appear in supporting documentation, and
8f1e2f66cSDaniel Vetter  * that the name of the copyright holders not be used in advertising or
9f1e2f66cSDaniel Vetter  * publicity pertaining to distribution of the software without specific,
10f1e2f66cSDaniel Vetter  * written prior permission.  The copyright holders make no representations
11f1e2f66cSDaniel Vetter  * about the suitability of this software for any purpose.  It is provided "as
12f1e2f66cSDaniel Vetter  * is" without express or implied warranty.
13f1e2f66cSDaniel Vetter  *
14f1e2f66cSDaniel Vetter  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15f1e2f66cSDaniel Vetter  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16f1e2f66cSDaniel Vetter  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17f1e2f66cSDaniel Vetter  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18f1e2f66cSDaniel Vetter  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19f1e2f66cSDaniel Vetter  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20f1e2f66cSDaniel Vetter  * OF THIS SOFTWARE.
21f1e2f66cSDaniel Vetter  */
22f1e2f66cSDaniel Vetter 
23f1e2f66cSDaniel Vetter #ifndef __DRM_COLOR_MGMT_H__
24f1e2f66cSDaniel Vetter #define __DRM_COLOR_MGMT_H__
25f1e2f66cSDaniel Vetter 
26f1e2f66cSDaniel Vetter #include <linux/ctype.h>
27f1e2f66cSDaniel Vetter 
288f2e045eSJani Nikula uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision);
298f2e045eSJani Nikula 
30f1e2f66cSDaniel Vetter void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
31f1e2f66cSDaniel Vetter 				uint degamma_lut_size,
32f1e2f66cSDaniel Vetter 				bool has_ctm,
33f1e2f66cSDaniel Vetter 				uint gamma_lut_size);
34f1e2f66cSDaniel Vetter 
35f1e2f66cSDaniel Vetter int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
36f1e2f66cSDaniel Vetter 				 int gamma_size);
37f1e2f66cSDaniel Vetter 
38f1e2f66cSDaniel Vetter #endif
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