1/* $OpenBSD: rkdrm.h,v 1.4 2023/09/11 04:51:24 jsg Exp $ */
2/* $NetBSD: rk_drm.h,v 1.1 2019/11/09 23:30:14 jmcneill Exp $ */
3/*-
4 * Copyright (c) 2019 Jared D. McNeill <jmcneill@invisible.ca>
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 _ARM_RK_DRM_H
30#define _ARM_RK_DRM_H
31
32#include <dev/wscons/wsconsio.h>
33#include <dev/wscons/wsdisplayvar.h>
34#include <dev/rasops/rasops.h>
35
36#include <drm/drm_framebuffer.h>
37#include <drm/drm_fb_helper.h>
38#include <drm/drm_fourcc.h>
39#include <drm/drm_gem_dma_helper.h>
40
41#define DRIVER_AUTHOR		"Jared McNeill"
42
43#define DRIVER_NAME		"rk"
44#define DRIVER_DESC		"Rockchip Display Subsystem"
45#define DRIVER_DATE		"20191109"
46
47#define DRIVER_MAJOR		1
48#define DRIVER_MINOR		0
49#define DRIVER_PATCHLEVEL	0
50
51struct rk_framebuffer;
52
53#define	RK_DRM_MAX_CRTC	2
54
55struct rkdrm_vblank {
56	void			*priv;
57	void			(*enable_vblank)(void *);
58	void			(*disable_vblank)(void *);
59	uint32_t		(*get_vblank_counter)(void *);
60};
61
62struct rkdrm_softc {
63	struct device		sc_dev;
64	struct drm_device	sc_ddev;
65
66	bus_space_tag_t		sc_iot;
67	bus_dma_tag_t		sc_dmat;
68
69	int			sc_node;
70
71	struct rkdrm_vblank	sc_vbl[RK_DRM_MAX_CRTC];
72
73	void			(*switchcb)(void *, int, int);
74	void			*switchcbarg;
75	void			*switchcookie;
76	struct task		switchtask;
77	struct rasops_info	ro;
78	int			console;
79	int			primary;
80
81	struct drm_fb_helper	helper;
82};
83
84struct rkdrm_framebuffer {
85	struct drm_framebuffer	base;
86	struct drm_gem_dma_object *obj;
87};
88
89struct rkdrm_fbdev {
90	struct drm_fb_helper	helper;
91};
92
93struct rkdrmfb_attach_args {
94	struct drm_device	*sfa_drm_dev;
95	struct drm_fb_helper	*sfa_fb_helper;
96	struct drm_fb_helper_surface_size sfa_fb_sizes;
97	bus_space_tag_t		sfa_fb_iot;
98	bus_dma_tag_t		sfa_fb_dmat;
99	uint32_t		sfa_fb_linebytes;
100};
101
102#define rkdrm_private(ddev)		(ddev)->dev_private
103#define to_rkdrm_framebuffer(x)	container_of(x, struct rkdrm_framebuffer, base)
104
105#endif /* _ARM_RK_DRM_H */
106