Subversion Repositories shark

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
54 pj 1 
 
2 
/* SVGAlib, Copyright 1993 Harm Hanemaayer */
3 
/* VGAlib version 1.2 - (c) 1993 Tommy Frandsen */
4 
/* partially copyrighted (C) 1993 by Hartmut Schirmer */
5 
 
6 
/* Internal definitions. */
7 
 
8 
#ifndef _LIBVGA_H
9 
#define _LIBVGA_H
10 
 
11 
#include <string.h>
12 
 
13 
#include <stdint.h>
14 
//typedef unsigned int CARD32;
15 
//typedef unsigned short CARD16;
16 
//typedef unsigned char CARD8;
17 
 
18 
/* --------------------- Macro definitions shared by library modules */
19 
 
20 
/* VGA index register ports */
21 
#define CRT_IC  0x3D4           /* CRT Controller Index - color emulation */
22 
#define CRT_IM  0x3B4           /* CRT Controller Index - mono emulation */
23 
#define ATT_IW  0x3C0           /* Attribute Controller Index & Data Write Register */
24 
#define GRA_I   0x3CE           /* Graphics Controller Index */
25 
#define SEQ_I   0x3C4           /* Sequencer Index */
26 
#define PEL_IW  0x3C8           /* PEL Write Index */
27 
#define PEL_IR  0x3C7           /* PEL Read Index */
28 
 
29 
/* VGA data register ports */
30 
#define CRT_DC  0x3D5           /* CRT Controller Data Register - color emulation */
31 
#define CRT_DM  0x3B5           /* CRT Controller Data Register - mono emulation */
32 
#define ATT_R   0x3C1           /* Attribute Controller Data Read Register */
33 
#define GRA_D   0x3CF           /* Graphics Controller Data Register */
34 
#define SEQ_D   0x3C5           /* Sequencer Data Register */
35 
#define MIS_R   0x3CC           /* Misc Output Read Register */
36 
#define MIS_W   0x3C2           /* Misc Output Write Register */
37 
#define IS1_RC  0x3DA           /* Input Status Register 1 - color emulation */
38 
#define IS1_RM  0x3BA           /* Input Status Register 1 - mono emulation */
39 
#define PEL_D   0x3C9           /* PEL Data Register */
40 
#define PEL_MSK 0x3C6           /* PEL mask register */
41 
 
42 
/* 8514/MACH regs we need outside of the mach32 driver.. */
43 
#define PEL8514_D       0x2ED
44 
#define PEL8514_IW      0x2EC
45 
#define PEL8514_IR      0x2EB
46 
#define PEL8514_MSK     0x2EA
47 
 
48 
/* EGA-specific registers */
49 
 
50 
#define GRA_E0  0x3CC           /* Graphics enable processor 0 */
51 
#define GRA_E1  0x3CA           /* Graphics enable processor 1 */
52 
 
53 
/* standard VGA indexes max counts */
54 
#define CRT_C   24              /* 24 CRT Controller Registers */
55 
#define ATT_C   21              /* 21 Attribute Controller Registers */
56 
#define GRA_C   9               /* 9  Graphics Controller Registers */
57 
#define SEQ_C   5               /* 5  Sequencer Registers */
58 
#define MIS_C   1               /* 1  Misc Output Register */
59 
 
60 
/* VGA registers saving indexes */
61 
#define CRT     0               /* CRT Controller Registers start */
62 
#define ATT     (CRT+CRT_C)     /* Attribute Controller Registers start */
63 
#define GRA     (ATT+ATT_C)     /* Graphics Controller Registers start */
64 
#define SEQ     (GRA+GRA_C)     /* Sequencer Registers */
65 
#define MIS     (SEQ+SEQ_C)     /* General Registers */
66 
#define EXT     (MIS+MIS_C)     /* SVGA Extended Registers */
67 
 
68 
/* Shorthands for chipset (driver) specific calls */
69 
#define chipset_saveregs __svgalib_driverspecs->saveregs
70 
#define chipset_setregs __svgalib_driverspecs->setregs
71 
#define chipset_unlock __svgalib_driverspecs->unlock
72 
#define chipset_test __svgalib_driverspecs->test
73 
#define chipset_setpage __svgalib_driverspecs->__svgalib_setpage
74 
#define chipset_setmode __svgalib_driverspecs->setmode
75 
#define chipset_modeavailable __svgalib_driverspecs->modeavailable
76 
#define chipset_getmodeinfo __svgalib_driverspecs->getmodeinfo
77 
#define chipset_cursor __svgalib_driverspecs->cursor
78 
 
79 
/* Shorthands for internal variables and functions */
80 
#define CI      __svgalib_cur_info
81 
#define SM      __svgalib_sparse_mem
82 
#define GM      __svgalib_graph_mem
83 
#define CM      __svgalib_cur_mode
84 
#define VMEM    __svgalib_videomemoryused
85 
#define DREP    __svgalib_driver_report
86 
#define CRITICAL __svgalib_critical
87 
#define COL     __svgalib_cur_color
88 
#define CHIPSET __svgalib_chipset
89 
#define SCREENON __svgalib_screenon
90 
#define MODEX   __svgalib_modeX
91 
#define MODEFLAGS __svgalib_modeflags
92 
#define infotable __svgalib_infotable
93 
 
94 
#define SVGADRV          2
95 
#define STDVGADRV        1
96 
#define STDVGAMODE(mode) (chipset_modeavailable(mode) == STDVGADRV)
97 
#define SVGAMODE(mode)   (chipset_modeavailable(mode) == SVGADRV)
98 
 
99 
#define GRAPH_BASE 0xA0000
100 
#define FONT_BASE  0xA0000
101 
#define GRAPH_SIZE 0x10000
102 
#define FONT_SIZE  (0x2000 * 4) /* 2.0.x kernel can use 2 512 char. fonts */
103 
#define GPLANE16   G640x350x16
104 
 
105 
/* graphics mode information */
106 
struct info {
107 
    int xdim;
108 
    int ydim;
109 
    int colors;
110 
    int xbytes;
111 
    int bytesperpixel;
112 
};
113 
 
114 
/* --------------------- Variable definitions shared by library modules */
115 
 
116 
#define BANKED_POINTER __svgalib_banked_pointer
117 
#define LINEAR_POINTER __svgalib_linear_pointer
118 
#define MMIO_POINTER __svgalib_mmio_pointer
119 
 
120 
extern int __svgalib_CRT_I;             /* current CRT index register address */
121 
extern int __svgalib_CRT_D;             /* current CRT data register address */
122 
extern int __svgalib_IS1_R;             /* current input status register address */
123 
extern uint8_t * BANKED_POINTER, * LINEAR_POINTER;
124 
extern uint8_t *MMIO_POINTER;
125 
extern uint8_t *SPARSE_MMIO;
126 
extern unsigned long __svgalib_banked_mem_base, __svgalib_banked_mem_size;
127 
extern unsigned long __svgalib_mmio_base, __svgalib_mmio_size;
128 
extern unsigned long __svgalib_linear_mem_base, __svgalib_linear_mem_size;
129 
extern unsigned long __svgalib_mmio_base, __svgalib_mmio_size;
130 
extern struct info CI;          /* current video parameters */
131 
extern int COL;                 /* current color            */
132 
extern int CM;                  /* current video mode       */
133 
extern struct info infotable[];
134 
extern int SCREENON;            /* screen visible if != 0 */
135 
extern unsigned long __svgalib_graph_base;
136 
extern unsigned char *GM;       /* graphics memory frame */
137 
extern int MODEX;               /* TRUE after vga_setmodeX() */
138 
extern int MODEFLAGS;           /* copy of flags of current modeinfo->flags */
139 
 
140 
extern int __svgalib_mem_fd;
141 
extern int __svgalib_tty_fd;
142 
extern int __svgalib_nosigint;
143 
extern int __svgalib_mouse_fd;
144 
extern int __svgalib_kbd_fd;
145 
extern int __svgalib_runinbackground;
146 
extern int __svgalib_vgacolormode;
147 
 
148 
extern unsigned char __svgalib_novga;
149 
extern unsigned char __svgalib_textprog;
150 
extern unsigned char __svgalib_secondary;
151 
extern unsigned char __svgalib_emulatepage;
152 
extern unsigned char __svgalib_novccontrol;
153 
extern unsigned char __svgalib_m_ignore_dx;
154 
extern unsigned char __svgalib_m_ignore_dy;
155 
extern unsigned char __svgalib_m_ignore_dz;
156 
 
157 
extern char *__joystick_devicenames[4];
158 
 
159 
extern int __svgalib_cursor_status;
160 
 
161 
/* --------------------- Function definitions shared by library modules */
162 
 
163 
extern int (*__svgalib_inmisc)(void);
164 
extern void (*__svgalib_outmisc)(int);
165 
extern int (*__svgalib_incrtc)(int);
166 
extern void (*__svgalib_outcrtc)(int,int);
167 
extern int (*__svgalib_inseq)(int);
168 
extern void (*__svgalib_outseq)(int,int);
169 
extern int  (*__svgalib_ingra)(int);
170 
extern void (*__svgalib_outgra)(int,int);
171 
extern int  (*__svgalib_inatt)(int);
172 
extern void (*__svgalib_outatt)(int,int);
173 
extern void (*__svgalib_attscreen)(int);
174 
extern void (*__svgalib_inpal)(int,int*,int*,int*);
175 
extern void (*__svgalib_outpal)(int,int,int,int);
176 
extern int (*__svgalib_inis1)(void);
177 
 
178 
extern int __svgalib_setregs(const unsigned char *regs);
179 
extern int __svgalib_saveregs(unsigned char *regs);
180 
extern void __svgalib_dumpregs(const unsigned char regs[], int n);
181 
extern void __svgalib_get_perm(void);
182 
extern int __svgalib_getchipset(int set_chipset);
183 
extern int __svgalib_name2number(char *modename);
184 
extern void __svgalib_delay(void);
185 
extern int __svgalib_addmode(int xdim, int ydim, int cols, int xbytes, int bytespp);
186 
extern void __svgalib_waitvtactive(void);
187 
extern void __svgalib_open_devconsole(void);
188 
extern void (*__svgalib_mouse_eventhandler) (int, int, int, int, int, int, int);
189 
extern void (*__svgalib_keyboard_eventhandler) (int, int);
190 
extern void __joystick_flip_vc(int acquire);
191 
extern char *__svgalib_TextProg_argv[16]; /* should be enough */
192 
extern char *__svgalib_TextProg;
193 
extern int __svgalib_VESA_savebitmap;
194 
extern int __svgalib_VESA_textmode;
195 
extern unsigned char __svgalib_vesatext;
196 
extern int __svgalib_mapkeyname(const char *keyname);
197 
extern void __svgalib_mouse_update_keymap(void);
198 
extern int __svgalib_vgacolor(void);
199 
extern void __svgalib_cursor_restore(void);
200 
extern void map_mmio(void);
201 
extern void map_mem(void);
202 
extern void map_linear(unsigned long, unsigned long);
203 
extern void unmap_linear(unsigned long);
204 
extern void __svgalib_emul_setpage(int);
205 
 
206 
#if 0
207 
/* remove this part ? */
208 
extern void __svgalib_releasevt_signal(int n);
209 
extern void __svgalib_acquirevt_signal(int n);
210 
#endif
211 
 
212 
#define gr_readb(off)           (((volatile uint8_t *)GM)[(off)])
213 
#define gr_readw(off)           (*(volatile uint16_t*)((GM)+(off)))
214 
#define gr_readl(off)           (*(volatile uint32_t*)((GM)+(off)))
215 
#define gr_writeb(v,off)        (GM[(off)] = (v))
216 
#define gr_writew(v,off)        (*(uint16_t*)((GM)+(off)) = (v))
217 
#define gr_writel(v,off)        (*(uint32_t*)((GM)+(off)) = (v))
218 
 
219 
extern void port_out(int value, int port);
220 
extern void port_outw(int value, int port);
221 
extern void port_outl(int value, int port);
222 
extern void port_rep_outb(unsigned char* string, int length, int port);
223 
 
224 
extern int port_in(int port);
225 
extern int port_inw(int port);
226 
extern int port_inl(int port);
227 
 
228 
/* Note that the arguments of outb/w are reversed compared with the */
229 
/* kernel sources. The XFree86 drivers also use this format. */
230 
#undef inb
231 
#undef inw
232 
#undef inl
233 
#undef outb
234 
#undef outw
235 
#undef outl
236 
 
237 
#define inb port_in
238 
#define inw port_inw
239 
#define inl port_inl
240 
#define outb(port, value) port_out(value, port)
241 
#define outw(port, value) port_outw(value, port)
242 
#define outl(port, value) port_outl(value, port)
243 
 
244 
/* Background things */
245 
 
246 
extern unsigned char *__svgalib_give_graph_red(void);
247 
extern unsigned char *__svgalib_give_graph_green(void);
248 
extern unsigned char *__svgalib_give_graph_blue(void);
249 
 
250 
#define zero_sa_mask(maskptr) memset(maskptr, 0, sizeof(sigset_t))
251 
 
252 
#if 1
253 
 
254 
#define SVGALIB_ACQUIRE_SIG SIGUSR2
255 
#define SVGALIB_RELEASE_SIG SIGUSR1
256 
 
257 
#else
258 
 
259 
#define SVGALIB_ACQUIRE_SIG SIGUNUSED
260 
#define SVGALIB_RELEASE_SIG SIGPROF
261 
 
262 
#endif
263 
 
264 
//#define DEBUG_TRACE
265 
 
266 
#ifdef DEBUG_TRACE
267 
#define DTP(x) fprintf x
268 
#else
269 
#define DTP(x)
270 
#endif
271 
 
272 
#ifdef DEBUG
273 
#define DPRINTF(args...) fprintf(stderr, args)
274 
#else
275 
#define DPRINTF(...)
276 
#endif
277 
 
278 
#endif /* _LIBVGA_H */
279