xref: /netbsd/sys/dev/wsfb/genfbvar.h (revision 6550d01e)
1 /*	$NetBSD: genfbvar.h,v 1.17 2010/10/07 07:53:53 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 1.17 2010/10/07 07:53:53 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 /* XXX */
55 extern const char _splash_header_data_cmap[64+32][3];
56 #endif
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_softc {
81 	device_t sc_dev;
82 	struct vcons_data vd;
83 	struct genfb_ops sc_ops;
84 	struct vcons_screen sc_console_screen;
85 	struct wsscreen_descr sc_defaultscreen_descr;
86 	const struct wsscreen_descr *sc_screens[1];
87 	struct wsscreen_list sc_screenlist;
88 	struct genfb_colormap_callback *sc_cmcb;
89 	struct genfb_pmf_callback *sc_pmfcb;
90 	struct genfb_parameter_callback *sc_backlight;
91 	int sc_backlight_level, sc_backlight_on;
92 	void *sc_fbaddr;	/* kva */
93 #ifdef GENFB_SHADOWFB
94 	void *sc_shadowfb;
95 #endif
96 	bus_addr_t sc_fboffset;	/* bus address */
97 	int sc_width, sc_height, sc_stride, sc_depth;
98 	size_t sc_fbsize;
99 	int sc_mode;
100 	u_char sc_cmap_red[256];
101 	u_char sc_cmap_green[256];
102 	u_char sc_cmap_blue[256];
103 	bool sc_want_clear;
104 #ifdef SPLASHSCREEN
105 	struct splash_info sc_splash;
106 #ifdef SPLASHSCREEN_PROGRESS
107 	struct splash_progress sc_progress;
108 #endif
109 #endif
110 };
111 
112 void	genfb_cnattach(void);
113 void	genfb_disable(void);
114 int	genfb_is_console(void);
115 int	genfb_is_enabled(void);
116 void	genfb_init(struct genfb_softc *);
117 int	genfb_attach(struct genfb_softc *, struct genfb_ops *);
118 int	genfb_borrow(bus_addr_t, bus_space_handle_t *);
119 void	genfb_restore_palette(struct genfb_softc *);
120 
121 
122 #endif /* GENFBVAR_H */
123