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/*
* COPYRIGHT (c) 1998 by Radstone Technology
*
*
* THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK
* AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.
*
* You are hereby granted permission to use, copy, modify, and distribute
* this file, provided that this notice, plus the above copyright notice
* and disclaimer, appears in all copies. Radstone Technology will provide
* no support for this code.
*
*/
#ifndef _VGA_P_H_
#define _VGA_P_H_
#ifdef __cplusplus
extern "C" {
#endif
#define VGA_FB ((uint32_t)PCI_MEM_BASE+0xb8000)
#define VGA_NUM_ROWS 25
#define VGA_NUM_COLS 80
#define VGA_WRITE_SEQ(reg, val) \
outport_byte(0x3c4, reg); \
outport_byte(0x3c5, val)
#define VGA_READ_SEQ(reg, val) \
outport_byte(0x3c4, reg); \
inport_byte(0x3c5, val)
#define VGA_WRITE_CRTC(reg, val) \
outport_byte(0x3d4, reg); \
outport_byte(0x3d5, val)
#define VGA_WRITE_GRA(reg, val) \
outport_byte(0x3ce, reg); \
outport_byte(0x3cf, val)
#define VGA_WRITE_ATT(reg, val) \
{ \
volatile uint8_t ucDummy; \
inport_byte(0x3da, ucDummy); \
outport_byte(0x3c0, reg); \
outport_byte(0x3c0, val); \
}
/*
* Exported functions
*/
extern boolean vga_probe(int minor);
extern void vga_init(int minor);
extern void vga_write(
int minor,
char cChar
);
extern int vga_write_support(
int minor,
const char *buf,
int len
);
#ifdef __cplusplus
}
#endif
#endif /* _VGA_P_H_ */
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