// SPDX-License-Identifier: MIT
/*
* Copyright (c) 2005 ASPEED Technology Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the authors not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "ast_drv.h"
#include "ast_vbios.h"
/* 4:3 */
static const struct ast_vbios_enhtable res_640x480[] = {
{ 800 , 640 , 8 , 96 , 525 , 480 , 2 , 2 , VCLK25_175, /* 60 Hz */
(SyncNN | HBorder | VBorder | Charx8Dot), 60 , 1 , 0 x2e },
{ 832 , 640 , 16 , 40 , 520 , 480 , 1 , 3 , VCLK31_5, /* 72 Hz */
(SyncNN | HBorder | VBorder | Charx8Dot), 72 , 2 , 0 x2e },
{ 840 , 640 , 16 , 64 , 500 , 480 , 1 , 3 , VCLK31_5, /* 75 Hz */
(SyncNN | Charx8Dot), 75 , 3 , 0 x2e },
{ 832 , 640 , 56 , 56 , 509 , 480 , 1 , 3 , VCLK36, /* 85 Hz */
(SyncNN | Charx8Dot), 85 , 4 , 0 x2e },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_800x600[] = {
{ 1024 , 800 , 24 , 72 , 625 , 600 , 1 , 2 , VCLK36, /* 56 Hz */
(SyncPP | Charx8Dot), 56 , 1 , 0 x30 },
{ 1056 , 800 , 40 , 128 , 628 , 600 , 1 , 4 , VCLK40, /* 60 Hz */
(SyncPP | Charx8Dot), 60 , 2 , 0 x30 },
{ 1040 , 800 , 56 , 120 , 666 , 600 , 37 , 6 , VCLK50, /* 72 Hz */
(SyncPP | Charx8Dot), 72 , 3 , 0 x30 },
{ 1056 , 800 , 16 , 80 , 625 , 600 , 1 , 3 , VCLK49_5, /* 75 Hz */
(SyncPP | Charx8Dot), 75 , 4 , 0 x30 },
{ 1048 , 800 , 32 , 64 , 631 , 600 , 1 , 3 , VCLK56_25, /* 85 Hz */
(SyncPP | Charx8Dot), 84 , 5 , 0 x30 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1024x768[] = {
{ 1344 , 1024 , 24 , 136 , 806 , 768 , 3 , 6 , VCLK65, /* 60 Hz */
(SyncNN | Charx8Dot), 60 , 1 , 0 x31 },
{ 1328 , 1024 , 24 , 136 , 806 , 768 , 3 , 6 , VCLK75, /* 70 Hz */
(SyncNN | Charx8Dot), 70 , 2 , 0 x31 },
{ 1312 , 1024 , 16 , 96 , 800 , 768 , 1 , 3 , VCLK78_75, /* 75 Hz */
(SyncPP | Charx8Dot), 75 , 3 , 0 x31 },
{ 1376 , 1024 , 48 , 96 , 808 , 768 , 1 , 3 , VCLK94_5, /* 85 Hz */
(SyncPP | Charx8Dot), 84 , 4 , 0 x31 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1152x864[] = {
{ 1600 , 1152 , 64 , 128 , 900 , 864 , 1 , 3 , VCLK108, /* 75 Hz */
(SyncPP | Charx8Dot | NewModeInfo), 75 , 1 , 0 x3b },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1280x1024[] = {
{ 1688 , 1280 , 48 , 112 , 1066 , 1024 , 1 , 3 , VCLK108, /* 60 Hz */
(SyncPP | Charx8Dot), 60 , 1 , 0 x32 },
{ 1688 , 1280 , 16 , 144 , 1066 , 1024 , 1 , 3 , VCLK135, /* 75 Hz */
(SyncPP | Charx8Dot), 75 , 2 , 0 x32 },
{ 1728 , 1280 , 64 , 160 , 1072 , 1024 , 1 , 3 , VCLK157_5, /* 85 Hz */
(SyncPP | Charx8Dot), 85 , 3 , 0 x32 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1600x1200[] = {
{ 2160 , 1600 , 64 , 192 , 1250 , 1200 , 1 , 3 , VCLK162, /* 60 Hz */
(SyncPP | Charx8Dot), 60 , 1 , 0 x33 },
AST_VBIOS_INVALID_MODE, /* end */
};
/* 16:9 */
static const struct ast_vbios_enhtable res_1360x768[] = {
{ 1792 , 1360 , 64 , 112 , 795 , 768 , 3 , 6 , VCLK85_5, /* 60 Hz */
(SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60 , 1 , 0 x39 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1600x900[] = {
{ 1760 , 1600 , 48 , 32 , 926 , 900 , 3 , 5 , VCLK97_75, /* 60 Hz CVT RB */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x3a },
{ 2112 , 1600 , 88 , 168 , 934 , 900 , 3 , 5 , VCLK118_25, /* 60 Hz CVT */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60 , 2 , 0 x3a },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1920x1080[] = {
{ 2200 , 1920 , 88 , 44 , 1125 , 1080 , 4 , 5 , VCLK148_5, /* 60 Hz */
(SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x38 },
AST_VBIOS_INVALID_MODE, /* end */
};
/* 16:10 */
static const struct ast_vbios_enhtable res_1280x800[] = {
{ 1440 , 1280 , 48 , 32 , 823 , 800 , 3 , 6 , VCLK71, /* 60 Hz RB */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x35 },
{ 1680 , 1280 , 72 , 128 , 831 , 800 , 3 , 6 , VCLK83_5, /* 60 Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60 , 2 , 0 x35 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1440x900[] = {
{ 1600 , 1440 , 48 , 32 , 926 , 900 , 3 , 6 , VCLK88_75, /* 60 Hz RB */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x36 },
{ 1904 , 1440 , 80 , 152 , 934 , 900 , 3 , 6 , VCLK106_5, /* 60 Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60 , 2 , 0 x36 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1680x1050[] = {
{ 1840 , 1680 , 48 , 32 , 1080 , 1050 , 3 , 6 , VCLK119, /* 60 Hz RB */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x37 },
{ 2240 , 1680 , 104 , 176 , 1089 , 1050 , 3 , 6 , VCLK146_25, /* 60 Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60 , 2 , 0 x37 },
AST_VBIOS_INVALID_MODE, /* end */
};
static const struct ast_vbios_enhtable res_1920x1200[] = {
{ 2080 , 1920 , 48 , 32 , 1235 , 1200 , 3 , 6 , VCLK154, /* 60 Hz RB*/
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60 , 1 , 0 x34 },
AST_VBIOS_INVALID_MODE, /* end */
};
/*
* VBIOS mode tables
*/
static const struct ast_vbios_enhtable *res_table_wuxga[] = {
&res_1920x1200[0 ],
NULL,
};
static const struct ast_vbios_enhtable *res_table_fullhd[] = {
&res_1920x1080[0 ],
NULL,
};
static const struct ast_vbios_enhtable *res_table_wsxga_p[] = {
&res_1280x800[0 ],
&res_1360x768[0 ],
&res_1440x900[0 ],
&res_1600x900[0 ],
&res_1680x1050[0 ],
NULL,
};
static const struct ast_vbios_enhtable *res_table[] = {
&res_640x480[0 ],
&res_800x600[0 ],
&res_1024x768[0 ],
&res_1152x864[0 ],
&res_1280x1024[0 ],
&res_1600x1200[0 ],
NULL,
};
static const struct ast_vbios_enhtable *
__ast_vbios_find_mode_table(const struct ast_vbios_enhtable **vmode_tables,
unsigned int hdisplay,
unsigned int vdisplay)
{
while (*vmode_tables) {
if ((*vmode_tables)->hde == hdisplay && (*vmode_tables)->vde == vdisplay)
return *vmode_tables;
++vmode_tables;
}
return NULL;
}
static const struct ast_vbios_enhtable *ast_vbios_find_mode_table(const struct ast_device *ast,
unsigned int hdisplay,
unsigned int vdisplay)
{
const struct ast_vbios_enhtable *vmode_table = NULL;
if (ast->support_wuxga)
vmode_table = __ast_vbios_find_mode_table(res_table_wuxga, hdisplay, vdisplay);
if (!vmode_table && ast->support_fullhd)
vmode_table = __ast_vbios_find_mode_table(res_table_fullhd, hdisplay, vdisplay);
if (!vmode_table && ast->support_wsxga_p)
vmode_table = __ast_vbios_find_mode_table(res_table_wsxga_p, hdisplay, vdisplay);
if (!vmode_table)
vmode_table = __ast_vbios_find_mode_table(res_table, hdisplay, vdisplay);
return vmode_table;
}
const struct ast_vbios_enhtable *ast_vbios_find_mode(const struct ast_device *ast,
const struct drm_display_mode *mode)
{
const struct ast_vbios_enhtable *best_vmode = NULL;
const struct ast_vbios_enhtable *vmode_table;
const struct ast_vbios_enhtable *vmode;
u32 refresh_rate;
vmode_table = ast_vbios_find_mode_table(ast, mode->hdisplay, mode->vdisplay);
if (!vmode_table)
return NULL;
refresh_rate = drm_mode_vrefresh(mode);
for (vmode = vmode_table; ast_vbios_mode_is_valid(vmode); ++vmode) {
if (((mode->flags & DRM_MODE_FLAG_NVSYNC) && (vmode->flags & PVSync)) ||
((mode->flags & DRM_MODE_FLAG_PVSYNC) && (vmode->flags & NVSync)) ||
((mode->flags & DRM_MODE_FLAG_NHSYNC) && (vmode->flags & PHSync)) ||
((mode->flags & DRM_MODE_FLAG_PHSYNC) && (vmode->flags & NHSync))) {
continue ;
}
if (vmode->refresh_rate <= refresh_rate &&
(!best_vmode || vmode->refresh_rate > best_vmode->refresh_rate))
best_vmode = vmode;
}
return best_vmode;
}
Messung V0.5 in Prozent C=96 H=94 G=94
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-07)
¤
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