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genfbvar.h revision 1.8 
      1 /*	$NetBSD: genfbvar.h,v 1.8 2009/02/15 18:41:49 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 1.8 2009/02/15 18:41:49 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_softc {
     60 	struct	device sc_dev;
     61 	struct vcons_data vd;
     62 	struct genfb_ops sc_ops;
     63 	struct vcons_screen sc_console_screen;
     64 	struct wsscreen_descr sc_defaultscreen_descr;
     65 	const struct wsscreen_descr *sc_screens[1];
     66 	struct wsscreen_list sc_screenlist;
     67 	struct genfb_colormap_callback *sc_cmcb;
     68 	void *sc_fbaddr;	/* kva */
     69 	void *sc_shadowfb;
     70 	bus_addr_t sc_fboffset;	/* bus address */
     71 	int sc_width, sc_height, sc_stride, sc_depth;
     72 	size_t sc_fbsize;
     73 	int sc_mode;
     74 	u_char sc_cmap_red[256];
     75 	u_char sc_cmap_green[256];
     76 	u_char sc_cmap_blue[256];
     77 };
     78 
     79 void	genfb_cnattach(void);
     80 int	genfb_is_console(void);
     81 void	genfb_init(struct genfb_softc *);
     82 int	genfb_attach(struct genfb_softc *, struct genfb_ops *);
     83 int	genfb_borrow(bus_addr_t, bus_space_handle_t *);
     84 
     85 #endif /* GENFBVAR_H */
     86