1 | /* $NetBSD: pcdisplayvar.h,v 1.20 2014/11/12 03:12:35 christos Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1998 |
5 | * Matthias Drochner. 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * |
27 | */ |
28 | |
29 | #ifdef _KERNEL_OPT |
30 | #include "opt_pcdisplay.h" |
31 | #endif |
32 | |
33 | struct pcdisplayscreen { |
34 | struct pcdisplay_handle *hdl; |
35 | |
36 | const struct wsscreen_descr *type; |
37 | |
38 | int active; /* currently displayed */ |
39 | u_int16_t *mem; /* backing store for contents */ |
40 | |
41 | int cursoron; /* cursor displayed? */ |
42 | #ifdef PCDISPLAY_SOFTCURSOR |
43 | int cursortmp; /* glyph & attribute behind software cursor */ |
44 | #endif |
45 | int cursorcol, cursorrow; /* current cursor position */ |
46 | |
47 | int dispoffset; /* offset of displayed area in video mem */ |
48 | int visibleoffset; |
49 | }; |
50 | |
51 | struct pcdisplay_handle { |
52 | bus_space_tag_t ph_iot, ph_memt; |
53 | bus_space_handle_t ph_ioh_6845, ph_memh; |
54 | }; |
55 | |
56 | static __inline u_int8_t _pcdisplay_6845_read(struct pcdisplay_handle *, int); |
57 | static __inline void _pcdisplay_6845_write(struct pcdisplay_handle *, int, |
58 | u_int8_t); |
59 | |
60 | static __inline u_int8_t _pcdisplay_6845_read(struct pcdisplay_handle *ph, int reg) |
61 | { |
62 | bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg); |
63 | return (bus_space_read_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA)); |
64 | } |
65 | |
66 | static __inline void _pcdisplay_6845_write(struct pcdisplay_handle *ph, |
67 | int reg, uint8_t val) |
68 | { |
69 | bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_INDEX, reg); |
70 | bus_space_write_1(ph->ph_iot, ph->ph_ioh_6845, MC6845_DATA, val); |
71 | } |
72 | |
73 | #define pcdisplay_6845_read(ph, reg) \ |
74 | _pcdisplay_6845_read(ph, offsetof(struct reg_mc6845, reg)) |
75 | #define pcdisplay_6845_write(ph, reg, val) \ |
76 | _pcdisplay_6845_write(ph, offsetof(struct reg_mc6845, reg), val) |
77 | |
78 | void pcdisplay_cursor_init(struct pcdisplayscreen *, int); |
79 | void pcdisplay_cursor(void *, int, int, int); |
80 | #if 0 |
81 | unsigned int pcdisplay_mapchar_simple(void *, int); |
82 | #endif |
83 | int pcdisplay_mapchar(void *, int, unsigned int *); |
84 | void pcdisplay_putchar(void *, int, int, u_int, long); |
85 | void pcdisplay_copycols(void *, int, int, int,int); |
86 | void pcdisplay_erasecols(void *, int, int, int, long); |
87 | void pcdisplay_copyrows(void *, int, int, int); |
88 | void pcdisplay_eraserows(void *, int, int, long); |
89 | void pcdisplay_replaceattr(void *, long, long); |
90 | struct wsdisplay_char; |
91 | int pcdisplay_getwschar(struct pcdisplayscreen *, struct wsdisplay_char *); |
92 | int pcdisplay_putwschar(struct pcdisplayscreen *, struct wsdisplay_char *); |
93 | |