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      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 (at) 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