sys/dev/wsfb/genfbvar.h

   1 /*      $NetBSD: genfbvar.h,v 1.11 2009/08/24 11:03:44 jmcneill Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2007 Michael Lorenz
   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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: genfbvar.h,v 1.11 2009/08/24 11:03:44 jmcneill Exp $");
  31
  32 #ifndef GENFBVAR_H
  33 #define GENFBVAR_H
  34
  35 #include <sys/param.h>
  36 #include <sys/buf.h>
  37 #include <sys/conf.h>
  38 #include <sys/device.h>
  39
  40 #include <sys/bus.h>
  41
  42 #include <dev/wscons/wsconsio.h>
  43 #include <dev/wscons/wsdisplayvar.h>
  44 #include <dev/rasops/rasops.h>
  45
  46 #include <dev/wscons/wsdisplay_vconsvar.h>
  47
  48 struct genfb_ops {
  49         int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *);
  50         paddr_t (*genfb_mmap)(void *, void *, off_t, int);
  51         int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *);
  52 };
  53
  54 struct genfb_colormap_callback {
  55         void *gcc_cookie;
  56         void (*gcc_set_mapreg)(void *, int, int, int, int);
  57 };
  58
  59 struct genfb_pmf_callback {
  60         bool (*gpc_suspend)(device_t, pmf_qual_t);
  61         bool (*gpc_resume)(device_t, pmf_qual_t);
  62 };
  63
  64 struct genfb_softc {
  65         struct  device sc_dev;
  66         struct vcons_data vd;
  67         struct genfb_ops sc_ops;
  68         struct vcons_screen sc_console_screen;
  69         struct wsscreen_descr sc_defaultscreen_descr;
  70         const struct wsscreen_descr *sc_screens[1];
  71         struct wsscreen_list sc_screenlist;
  72         struct genfb_colormap_callback *sc_cmcb;
  73         struct genfb_pmf_callback *sc_pmfcb;
  74         void *sc_fbaddr;        /* kva */
  75         void *sc_shadowfb;
  76         bus_addr_t sc_fboffset; /* bus address */
  77         int sc_width, sc_height, sc_stride, sc_depth;
  78         size_t sc_fbsize;
  79         int sc_mode;
  80         u_char sc_cmap_red[256];
  81         u_char sc_cmap_green[256];
  82         u_char sc_cmap_blue[256];
  83         bool sc_want_clear;
  84 };
  85
  86 void    genfb_cnattach(void);
  87 void    genfb_disable(void);
  88 int     genfb_is_console(void);
  89 int     genfb_is_enabled(void);
  90 void    genfb_init(struct genfb_softc *);
  91 int     genfb_attach(struct genfb_softc *, struct genfb_ops *);
  92 int     genfb_borrow(bus_addr_t, bus_space_handle_t *);
  93 void    genfb_restore_palette(struct genfb_softc *);
  94
  95
  96 #endif /* GENFBVAR_H */