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/*
Copyright (c) 2003 Andreas Robinson, All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
*/
#ifndef _VIA_MMIO_H
#define _VIA_MMIO_H
#define TRACE_ENTER() printf("Entering %s\n", __PRETTY_FUNCTION__)
#define TRACE_LEAVE() printf("Leaving %s\n", __PRETTY_FUNCTION__)
#ifdef KERNEL
#define VIA_OUT(hwregs, reg, val) *(volatile u32 *)((hwregs) + (reg)) = (val)
#define VIA_IN(hwregs, reg) *(volatile u32 *)((hwregs) + (reg))
#define VGA_OUT8(hwregs, reg, val) *(volatile u8 *)((hwregs) + (reg) + 0x8000) = (val)
#define VGA_IN8(hwregs, reg) *(volatile u8 *)((hwregs) + (reg) + 0x8000)
#define RS16(val) ((u16)((s16)(val)))
#define RS12(val) (((u16)((s16)(val))) & 0xfff)
#else // !KERNEL
#define VIA_OUT(hwregs, reg, val) *(volatile u32 *)((hwregs) + (reg)) = (val)
#define VIA_IN(hwregs, reg) *(volatile u32 *)((hwregs) + (reg))
#define VGA_OUT8(hwregs, reg, val) *(volatile u8 *)((hwregs) + (reg) + 0x8000) = (val)
#define VGA_IN8(hwregs, reg) *(volatile u8 *)((hwregs) + (reg) + 0x8000)
#define RS16(val) ((u16)((s16)(val)))
#define RS12(val) (((u16)((s16)(val))) & 0xfff)
#endif // KERNEL
#define VIDEO_OUT(hwregs, reg, val) VIA_OUT((hwregs)+0x200, reg, val)
#define VIDEO_IN(hwregs, reg) VIA_IN((hwregs)+0x200, reg)
#define MAXLOOP 0xffffff
#endif /* _VIA_MMIO_H */
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