dd73d6868b
This is the first step to remove an artificial global index that was used in two ways: 1. As a pseudo index in the mode table. Pseudo as you had to search through the table to find the referenced entry. This was replaced by using a pointer to the entry. 2. As a shortcut to compare a combination of horizontal and vertical resolution at the same time. This was replaced by a "(hres<<16) | vres" which is good enough for now and the near future. If vres or hres become greater than 2^16 this might indeed cause problems but this solution allows to split this indexing mess up without the requirement to do even more code changes. This is a big change that will allow more clean ups. It should be a bit faster but that is probably not relevant for normal operation. No regressions expected but as this is a relatively big step heavy testing is appreciated. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Scott Fang <ScottFang@viatech.com.cn> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/*
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* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __VIAMODE_H__
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#define __VIAMODE_H__
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#include "global.h"
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struct VPITTable {
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unsigned char Misc;
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unsigned char SR[StdSR];
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unsigned char GR[StdGR];
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unsigned char AR[StdAR];
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};
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struct VideoModeTable {
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struct crt_mode_table *crtc;
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int mode_array;
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};
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struct patch_table {
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int table_length;
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struct io_reg *io_reg_table;
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};
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struct res_map_refresh {
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int hres;
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int vres;
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int pixclock;
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int vmode_refresh;
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};
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extern int NUM_TOTAL_RES_MAP_REFRESH;
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extern int NUM_TOTAL_CEA_MODES;
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extern int NUM_TOTAL_CN400_ModeXregs;
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extern int NUM_TOTAL_CN700_ModeXregs;
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extern int NUM_TOTAL_KM400_ModeXregs;
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extern int NUM_TOTAL_CX700_ModeXregs;
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extern int NUM_TOTAL_VX855_ModeXregs;
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extern int NUM_TOTAL_CLE266_ModeXregs;
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extern int NUM_TOTAL_PATCH_MODE;
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/********************/
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/* Mode Table */
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/********************/
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extern struct crt_mode_table CEAM1280x720[];
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extern struct crt_mode_table CEAM1920x1080[];
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extern struct VideoModeTable CEA_HDMI_Modes[];
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extern struct res_map_refresh res_map_refresh_tbl[];
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extern struct io_reg CN400_ModeXregs[];
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extern struct io_reg CN700_ModeXregs[];
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extern struct io_reg KM400_ModeXregs[];
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extern struct io_reg CX700_ModeXregs[];
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extern struct io_reg VX800_ModeXregs[];
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extern struct io_reg VX855_ModeXregs[];
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extern struct io_reg CLE266_ModeXregs[];
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extern struct io_reg PM1024x768[];
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extern struct patch_table res_patch_table[];
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extern struct VPITTable VPIT;
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struct VideoModeTable *viafb_get_mode(int hres, int vres);
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struct VideoModeTable *viafb_get_rb_mode(int hres, int vres);
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#endif /* __VIAMODE_H__ */
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