| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
| 1 | /* $NetBSD: drm_dp_helper.h,v 1.4 2021/12/18 23:45:45 riastradh Exp $ */ | | 1 | /* $NetBSD: drm_dp_helper.h,v 1.5 2021/12/19 00:56:58 riastradh Exp $ */ |
| 2 | | | 2 | |
| 3 | /* | | 3 | /* |
| 4 | * Copyright © 2008 Keith Packard | | 4 | * Copyright © 2008 Keith Packard |
| 5 | * | | 5 | * |
| 6 | * Permission to use, copy, modify, distribute, and sell this software and its | | 6 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 7 | * documentation for any purpose is hereby granted without fee, provided that | | 7 | * documentation for any purpose is hereby granted without fee, provided that |
| 8 | * the above copyright notice appear in all copies and that both that copyright | | 8 | * the above copyright notice appear in all copies and that both that copyright |
| 9 | * notice and this permission notice appear in supporting documentation, and | | 9 | * notice and this permission notice appear in supporting documentation, and |
| 10 | * that the name of the copyright holders not be used in advertising or | | 10 | * that the name of the copyright holders not be used in advertising or |
| 11 | * publicity pertaining to distribution of the software without specific, | | 11 | * publicity pertaining to distribution of the software without specific, |
| 12 | * written prior permission. The copyright holders make no representations | | 12 | * written prior permission. The copyright holders make no representations |
| 13 | * about the suitability of this software for any purpose. It is provided "as | | 13 | * about the suitability of this software for any purpose. It is provided "as |
| 14 | * is" without express or implied warranty. | | 14 | * is" without express or implied warranty. |
| @@ -18,26 +18,27 @@ | | | @@ -18,26 +18,27 @@ |
| 18 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | | 18 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | | 19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | | 20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | | 21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 22 | * OF THIS SOFTWARE. | | 22 | * OF THIS SOFTWARE. |
| 23 | */ | | 23 | */ |
| 24 | | | 24 | |
| 25 | #ifndef _DRM_DP_HELPER_H_ | | 25 | #ifndef _DRM_DP_HELPER_H_ |
| 26 | #define _DRM_DP_HELPER_H_ | | 26 | #define _DRM_DP_HELPER_H_ |
| 27 | | | 27 | |
| 28 | #include <linux/delay.h> | | 28 | #include <linux/delay.h> |
| 29 | #include <linux/i2c.h> | | 29 | #include <linux/i2c.h> |
| 30 | #include <linux/types.h> | | 30 | #include <linux/types.h> |
| | | 31 | #include <linux/workqueue.h> |
| 31 | | | 32 | |
| 32 | /* | | 33 | /* |
| 33 | * Unless otherwise noted, all values are from the DP 1.1a spec. Note that | | 34 | * Unless otherwise noted, all values are from the DP 1.1a spec. Note that |
| 34 | * DP and DPCD versions are independent. Differences from 1.0 are not noted, | | 35 | * DP and DPCD versions are independent. Differences from 1.0 are not noted, |
| 35 | * 1.0 devices basically don't exist in the wild. | | 36 | * 1.0 devices basically don't exist in the wild. |
| 36 | * | | 37 | * |
| 37 | * Abbreviations, in chronological order: | | 38 | * Abbreviations, in chronological order: |
| 38 | * | | 39 | * |
| 39 | * eDP: Embedded DisplayPort version 1 | | 40 | * eDP: Embedded DisplayPort version 1 |
| 40 | * DPI: DisplayPort Interoperability Guideline v1.1a | | 41 | * DPI: DisplayPort Interoperability Guideline v1.1a |
| 41 | * 1.2: DisplayPort 1.2 | | 42 | * 1.2: DisplayPort 1.2 |
| 42 | * MST: Multistream Transport - part of DP 1.2a | | 43 | * MST: Multistream Transport - part of DP 1.2a |
| 43 | * | | 44 | * |