1 /* $NetBSD: anx_dp.h,v 1.5 2021/12/19 12:43:37 riastradh Exp $ */
2 
3 /*-
4  * Copyright (c) 2019 Jonathan A. Kollasch <jakllsch@kollasch.net>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_IC_ANXDP_H
30 #define _DEV_IC_ANXDP_H
31 
32 #if ANXDP_AUDIO
33 #include <dev/audio/audio_dai.h>
34 #endif
35 
36 #include <drm/drm_bridge.h>
37 #include <drm/drm_connector.h>
38 #include <drm/drm_dp_helper.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_panel.h>
41 #include <drm/drm_probe_helper.h>
42 
43 struct anxdp_softc;
44 
45 struct anxdp_connector {
46           struct drm_connector          base;
47           struct anxdp_softc  *sc;
48           struct drm_encoder  *encoder;
49 #if ANXDP_AUDIO
50 
51           bool                          monitor_audio;
52 #endif
53 };
54 
55 struct anxdp_softc {
56           device_t            sc_dev;
57           bus_space_tag_t               sc_bst;
58           bus_space_handle_t  sc_bsh;
59           u_int                         sc_flags;
60 #define   ANXDP_FLAG_ROCKCHIP __BIT(0)
61 
62 #if ANXDP_AUDIO
63           struct audio_dai_device       sc_dai;
64           uint8_t                       sc_swvol;
65 
66 #endif
67           struct anxdp_connector        sc_connector;
68           struct drm_bridge   sc_bridge;
69           struct drm_dp_aux       sc_dpaux;
70           struct drm_panel    *sc_panel;
71           uint8_t                       sc_dpcd[DP_RECEIVER_CAP_SIZE];
72 
73           struct drm_display_mode       sc_curmode;
74 };
75 
76 #define   to_anxdp_connector(x)         container_of(x, struct anxdp_connector, base)
77 
78 int                 anxdp_attach(struct anxdp_softc *);
79 int                 anxdp_bind(struct anxdp_softc *, struct drm_encoder *);
80 
81 void                anxdp_dpms(struct anxdp_softc *, int);
82 
83 #endif /* !_DEV_IC_ANXDP_H */
84