1 /*        $NetBSD: cgsixvar.h,v 1.14 2016/04/21 18:06:06 macallan Exp $ */
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Paul Kranenburg.
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 #include "wsdisplay.h"
33 #include <dev/wscons/wsdisplay_vconsvar.h>
34 #include <dev/wscons/wsdisplay_glyphcachevar.h>
35 
36 /*
37  * color display (cgsix) driver; common definitions.
38  */
39 
40 union cursor_cmap {           /* colormap, like bt_cmap, but tiny */
41           u_char    cm_map[2][3];       /* 2 R/G/B entries */
42           u_int     cm_chip[2];         /* 2 chip equivalents */
43 };
44 
45 struct cg6_cursor {           /* cg6 hardware cursor status */
46           short     cc_enable;                    /* cursor is enabled */
47           struct    fbcurpos cc_pos;    /* position */
48           struct    fbcurpos cc_hot;    /* hot-spot */
49           struct    fbcurpos cc_size;   /* size of mask & image fields */
50           u_int     cc_bits[2][32];               /* space for mask & image bits */
51           union     cursor_cmap cc_color;         /* cursor colormap */
52 };
53 
54 /* per-display variables */
55 struct cgsix_softc {
56           device_t  sc_dev;             /* base device */
57           struct fbdevice     sc_fb;              /* frame buffer device */
58           bus_space_tag_t     sc_bustag;
59           bus_addr_t          sc_paddr; /* phys address for device mmap() */
60 
61           volatile struct bt_regs *sc_bt;                   /* Brooktree registers */
62           volatile int *sc_fhc;                             /* FHC register */
63           volatile struct cg6_thc *sc_thc;        /* THC registers */
64           volatile struct cg6_tec_xxx *sc_tec;    /* TEC registers */
65           volatile struct cg6_fbc *sc_fbc;        /* FBC registers */
66           short     sc_fhcrev;                    /* hardware rev */
67           short     sc_blanked;                   /* true if blanked */
68           struct    cg6_cursor sc_cursor;         /* software cursor info */
69 
70           uint32_t sc_width;
71           uint32_t sc_height; /* display width / height */
72           uint32_t sc_stride;
73           uint32_t sc_mono_width;       /* how many monochrome pixels to write */
74           uint32_t sc_ramsize;                    /* VRAM size in bytes */
75           int sc_fb_is_open;
76           int sc_mode;
77           uint32_t sc_bg;
78           struct vcons_data vd;
79           uint8_t sc_default_cmap[768];
80           glyphcache sc_gc;
81           union     bt_cmap sc_cmap;    /* Brooktree color map */
82 };
83 
84 #define IS_IN_EMUL_MODE(sc) \
85           ((sc->sc_fb_is_open == 0) && \
86            (sc->sc_mode == WSDISPLAYIO_MODE_EMUL))
87 
88 void      cg6attach(struct cgsix_softc *, const char *, int);
89