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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          ((unsigned32)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 unsigned8 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_ */