5c3f968712
For now, it just contains the hack for cirrusfb on Amiga, which is moved out of <video/vga.h> with some slight modifications (use raw_*() instead of z_*(), which are defined on all m68k platforms). This makes it safe to include <video/vga.h> in all contexts. Before it could fail to compile with include/video/vga.h: In function ‘vga_mm_r’: include/video/vga.h:242: error: implicit declaration of function ‘z_readb’ include/video/vga.h: In function ‘vga_mm_w’: include/video/vga.h:247: error: implicit declaration of function ‘z_writeb’ include/video/vga.h: In function ‘vga_mm_w_fast’: include/video/vga.h:253: error: implicit declaration of function ‘z_writew’ or include/video/vga.h:23:21: error: asm/vga.h: No such file or directory depending on the value of CONFIG_AMIGA. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: linux-fbdev@vger.kernel.org Cc: dri-devel@lists.freedesktop.org
27 lines
612 B
C
27 lines
612 B
C
#ifndef _ASM_M68K_VGA_H
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#define _ASM_M68K_VGA_H
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#include <asm/raw_io.h>
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/*
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* FIXME
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* Ugh, we don't have PCI space, so map readb() and friends to use raw I/O
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* accessors, which are identical to the z_*() Zorro bus accessors.
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* This should make cirrusfb work again on Amiga
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*/
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#undef inb_p
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#undef inw_p
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#undef outb_p
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#undef outw
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#undef readb
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#undef writeb
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#undef writew
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#define inb_p(port) 0
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#define inw_p(port) 0
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#define outb_p(port, val) do { } while (0)
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#define outw(port, val) do { } while (0)
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#define readb raw_inb
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#define writeb raw_outb
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#define writew raw_outw
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#endif /* _ASM_M68K_VGA_H */
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