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25 lines
587 B
25 lines
587 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Access to VGA videoram |
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* |
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* (c) 1998 Martin Mares <[email protected]> |
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*/ |
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#ifndef __ASM_GENERIC_VGA_H |
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#define __ASM_GENERIC_VGA_H |
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/* |
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* On most architectures that support VGA, we can just |
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* recalculate addresses and then access the videoram |
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* directly without any black magic. |
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* |
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* Everyone else needs to ioremap the address and use |
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* proper I/O accesses. |
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*/ |
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#ifndef VGA_MAP_MEM |
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#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) |
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#endif |
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#define vga_readb(x) (*(x)) |
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#define vga_writeb(x, y) (*(y) = (x)) |
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#endif /* _ASM_GENERIC_VGA_H */
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