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genfbvar.h revision 1.20 
      1 /*	$NetBSD: genfbvar.h,v 1.20 2011/06/02 02:33:42 macallan 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 1.20 2011/06/02 02:33:42 macallan Exp $");
     31 
     32 #ifndef GENFBVAR_H
     33 #define GENFBVAR_H
     34 
     35 #include "opt_splash.h"
     36 
     37 #include <sys/param.h>
     38 #include <sys/buf.h>
     39 #include <sys/conf.h>
     40 #include <sys/device.h>
     41 
     42 #include <sys/bus.h>
     43 
     44 #include <dev/wscons/wsconsio.h>
     45 #include <dev/wscons/wsdisplayvar.h>
     46 #include <dev/rasops/rasops.h>
     47 
     48 #include <dev/wscons/wsdisplay_vconsvar.h>
     49 #include "opt_genfb.h"
     50 
     51 #ifdef SPLASHSCREEN
     52 #define GENFB_DISABLE_TEXT
     53 #include <dev/splash/splash.h>
     54 #endif
     55 
     56 struct genfb_softc;
     57 
     58 struct genfb_ops {
     59 	int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *);
     60 	paddr_t	(*genfb_mmap)(void *, void *, off_t, int);
     61 	int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *);
     62 };
     63 
     64 struct genfb_colormap_callback {
     65 	void *gcc_cookie;
     66 	void (*gcc_set_mapreg)(void *, int, int, int, int);
     67 };
     68 
     69 struct genfb_parameter_callback{
     70 	void *gpc_cookie;
     71 	void (*gpc_set_parameter)(void *, int);
     72 	int (*gpc_get_parameter)(void *);
     73 };
     74 
     75 struct genfb_pmf_callback {
     76 	bool (*gpc_suspend)(device_t, const pmf_qual_t *);
     77 	bool (*gpc_resume)(device_t, const pmf_qual_t *);
     78 };
     79 
     80 struct genfb_mode_callback {
     81 	bool (*gmc_setmode)(struct genfb_softc *, int);
     82 };
     83 
     84 struct genfb_softc {
     85 	device_t sc_dev;
     86 	struct vcons_data vd;
     87 	struct genfb_ops sc_ops;
     88 	struct vcons_screen sc_console_screen;
     89 	struct wsscreen_descr sc_defaultscreen_descr;
     90 	const struct wsscreen_descr *sc_screens[1];
     91 	struct wsscreen_list sc_screenlist;
     92 	struct genfb_colormap_callback *sc_cmcb;
     93 	struct genfb_pmf_callback *sc_pmfcb;
     94 	struct genfb_parameter_callback *sc_backlight;
     95 	struct genfb_mode_callback *sc_modecb;
     96 	int sc_backlight_level, sc_backlight_on;
     97 	void *sc_fbaddr;	/* kva */
     98 #ifdef GENFB_SHADOWFB
     99 	void *sc_shadowfb;
    100 #endif
    101 	bus_addr_t sc_fboffset;	/* bus address */
    102 	int sc_width, sc_height, sc_stride, sc_depth;
    103 	size_t sc_fbsize;
    104 	int sc_mode;
    105 	u_char sc_cmap_red[256];
    106 	u_char sc_cmap_green[256];
    107 	u_char sc_cmap_blue[256];
    108 	bool sc_want_clear;
    109 #ifdef SPLASHSCREEN
    110 	struct splash_info sc_splash;
    111 #endif
    112 	struct wsdisplay_accessops sc_accessops;
    113 };
    114 
    115 void	genfb_cnattach(void);
    116 void	genfb_disable(void);
    117 int	genfb_is_console(void);
    118 int	genfb_is_enabled(void);
    119 void	genfb_init(struct genfb_softc *);
    120 int	genfb_attach(struct genfb_softc *, struct genfb_ops *);
    121 int	genfb_borrow(bus_addr_t, bus_space_handle_t *);
    122 void	genfb_restore_palette(struct genfb_softc *);
    123 void	genfb_enable_polling(device_t);
    124 void	genfb_disable_polling(device_t);
    125 
    126 #endif /* GENFBVAR_H */
    127