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/*
* Geode GX display controller
*
* Copyright (C) 2006 Arcom Control Systems Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __DISPLAY_GX_H__
#define __DISPLAY_GX_H__
int gx_frame_buffer_size(void);
int gx_line_delta(int xres, int bpp);
extern struct geode_dc_ops gx_dc_ops;
/* Display controller registers */
#define DC_UNLOCK 0x00
# define DC_UNLOCK_CODE 0x00004758
#define DC_GENERAL_CFG 0x04
# define DC_GCFG_DFLE 0x00000001
# define DC_GCFG_CURE 0x00000002
# define DC_GCFG_ICNE 0x00000004
# define DC_GCFG_VIDE 0x00000008
# define DC_GCFG_CMPE 0x00000020
# define DC_GCFG_DECE 0x00000040
# define DC_GCFG_VGAE 0x00000080
# define DC_GCFG_DFHPSL_MASK 0x00000F00
# define DC_GCFG_DFHPSL_POS 8
# define DC_GCFG_DFHPEL_MASK 0x0000F000
# define DC_GCFG_DFHPEL_POS 12
# define DC_GCFG_STFM 0x00010000
# define DC_GCFG_FDTY 0x00020000
# define DC_GCFG_VGAFT 0x00040000
# define DC_GCFG_VDSE 0x00080000
# define DC_GCFG_YUVM 0x00100000
# define DC_GCFG_VFSL 0x00800000
# define DC_GCFG_SIGE 0x01000000
# define DC_GCFG_SGRE 0x02000000
# define DC_GCFG_SGFR 0x04000000
# define DC_GCFG_CRC_MODE 0x08000000
# define DC_GCFG_DIAG 0x10000000
# define DC_GCFG_CFRW 0x20000000
#define DC_DISPLAY_CFG 0x08
# define DC_DCFG_TGEN 0x00000001
# define DC_DCFG_GDEN 0x00000008
# define DC_DCFG_VDEN 0x00000010
# define DC_DCFG_TRUP 0x00000040
# define DC_DCFG_DISP_MODE_MASK 0x00000300
# define DC_DCFG_DISP_MODE_8BPP 0x00000000
# define DC_DCFG_DISP_MODE_16BPP 0x00000100
# define DC_DCFG_DISP_MODE_24BPP 0x00000200
# define DC_DCFG_16BPP_MODE_MASK 0x00000c00
# define DC_DCFG_16BPP_MODE_565 0x00000000
# define DC_DCFG_16BPP_MODE_555 0x00000100
# define DC_DCFG_16BPP_MODE_444 0x00000200
# define DC_DCFG_DCEN 0x00080000
# define DC_DCFG_PALB 0x02000000
# define DC_DCFG_FRLK 0x04000000
# define DC_DCFG_VISL 0x08000000
# define DC_DCFG_FRSL 0x20000000
# define DC_DCFG_A18M 0x40000000
# define DC_DCFG_A20M 0x80000000
#define DC_FB_ST_OFFSET 0x10
#define DC_LINE_SIZE 0x30
# define DC_LINE_SIZE_FB_LINE_SIZE_MASK 0x000007ff
# define DC_LINE_SIZE_FB_LINE_SIZE_POS 0
# define DC_LINE_SIZE_CB_LINE_SIZE_MASK 0x007f0000
# define DC_LINE_SIZE_CB_LINE_SIZE_POS 16
# define DC_LINE_SIZE_VID_LINE_SIZE_MASK 0xff000000
# define DC_LINE_SIZE_VID_LINE_SIZE_POS 24
#define DC_GFX_PITCH 0x34
# define DC_GFX_PITCH_FB_PITCH_MASK 0x0000ffff
# define DC_GFX_PITCH_FB_PITCH_POS 0
# define DC_GFX_PITCH_CB_PITCH_MASK 0xffff0000
# define DC_GFX_PITCH_CB_PITCH_POS 16
#define DC_H_ACTIVE_TIMING 0x40
#define DC_H_BLANK_TIMING 0x44
#define DC_H_SYNC_TIMING 0x48
#define DC_V_ACTIVE_TIMING 0x50
#define DC_V_BLANK_TIMING 0x54
#define DC_V_SYNC_TIMING 0x58
#define DC_PAL_ADDRESS 0x70
#define DC_PAL_DATA 0x74
#endif /* !__DISPLAY_GX1_H__ */
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