| 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 | |