73 lines
1.6 KiB
Groff
73 lines
1.6 KiB
Groff
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.TH vga_getcardinfo 3 "23 June 2001" "Svgalib (>= 1.9.10)" "Svgalib User Manual"
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.SH NAME
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vga_getcardinfo \- returns pointer to information about the video card.
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.SH SYNOPSIS
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.B "#include <vga.h>"
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.BI "vga_cardinfo *vga_getcardinfo(void);
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.SH DESCRIPTION
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The function returns a pointer to a card information structure which is
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filled out with details about the video card in use.
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.B "#include <vga.h>"
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defines
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.B vga_cardinfo
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as
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.B typedef struct {
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.br
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.B " " int version;
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.br
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.B " " int size;
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.br
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.B " " int chipset;
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.br
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.B " " int physmem;
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.br
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.B " " int physmemsize;
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.br
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.B " " int linearmem;
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.br
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.B } vga_cardinfo;
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The fields meaning in detail:
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.SS Basic mode details
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.TP
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.B version
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Version of the information structure. Application can use this field to make
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sure the data it needs is really there.
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.TP
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.B size
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Size of the cardinfo structure. The structure is malloc()ed, and the program should free
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it when no longer needed.
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.TP
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.B chipset
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Number of the chispet driver used to drive the card. Same list as is used in the
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.B vga_setchipset
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function.
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.TP
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.B physmem
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Physical address of the linear memory aperture of the card. This is needed for example for setting
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the video overlay of v4l devices.
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.TP
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.B physmemsize
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Amount of physical memory in bytes. (Version >= 0x0200)
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.TP
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.B linearmem
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Virtual address of the linear memory aperture. Please note that currently it is
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mapped at vga_init, but in future versions of svgalib this might change.
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(Version >= 0x0200)
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.SH SEE ALSO
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.BR svgalib (7),
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.BR libvga.config (5),
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.SH AUTHOR
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This manual page written by Matan Ziv-Av <matan@svgalib.org>.
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