1 | /* $NetBSD: drmfb.h,v 1.1 2015/03/05 17:50:41 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2014 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Taylor R. Campbell. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _DRM_DRMFB_H_ |
33 | #define _DRM_DRMFB_H_ |
34 | |
35 | #include <sys/device_if.h> |
36 | |
37 | #include <dev/wsfb/genfbvar.h> |
38 | |
39 | struct drm_fb_helper; |
40 | struct drm_fb_helper_surface_sizes; |
41 | |
42 | struct drmfb_attach_args; |
43 | struct drmfb_params; |
44 | struct drmfb_softc; |
45 | |
46 | struct drmfb_params { |
47 | /* |
48 | * Framebuffer mmap. |
49 | */ |
50 | paddr_t (*dp_mmapfb)(struct drmfb_softc *, off_t, int); |
51 | |
52 | /* |
53 | * Other mmap, e.g. for arbitrary PCI BARs. Available only to |
54 | * users with privileges for access to unmanaged memory. |
55 | */ |
56 | paddr_t (*dp_mmap)(struct drmfb_softc *, off_t, int); |
57 | |
58 | /* |
59 | * Ioctl handler. Must handle: |
60 | * |
61 | * - WSDISPLAYIO_GET_BUSID |
62 | * - WSDISPLAYIO_GTYPE |
63 | * |
64 | * May add or override anything else. Return EPASSTHROUGH to |
65 | * defer. |
66 | */ |
67 | int (*dp_ioctl)(struct drmfb_softc *, unsigned long, |
68 | void *, int, struct lwp *); |
69 | /* XXX Kludge! */ |
70 | bool (*dp_is_vga_console)(struct drm_device *); |
71 | void (*dp_disable_vga)(struct drm_device *); |
72 | }; |
73 | |
74 | struct drmfb_attach_args { |
75 | device_t da_dev; |
76 | struct drm_fb_helper *da_fb_helper; |
77 | const struct drm_fb_helper_surface_size *da_fb_sizes; |
78 | void *da_fb_vaddr; |
79 | const struct drmfb_params *da_params; |
80 | }; |
81 | |
82 | /* Treat as opaque. Must be first member of device softc. */ |
83 | struct drmfb_softc { |
84 | struct genfb_softc sc_genfb; /* XXX Must be first. */ |
85 | struct drmfb_attach_args sc_da; |
86 | }; |
87 | |
88 | int drmfb_attach(struct drmfb_softc *, const struct drmfb_attach_args *); |
89 | int drmfb_detach(struct drmfb_softc *, int); |
90 | bool drmfb_shutdown(struct drmfb_softc *, int); |
91 | |
92 | #endif /* _DRM_DRMFB_H_ */ |
93 | |