| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. |
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| 4 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
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| 5 | |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __DVI_H__ |
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| 9 | #define __DVI_H__ |
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| 10 | |
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| 11 | /*Definition TMDS Device ID register*/ |
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| 12 | #define VT1632_DEVICE_ID_REG 0x02 |
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| 13 | #define VT1632_DEVICE_ID 0x92 |
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| 14 | |
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| 15 | #define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x01 |
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| 16 | #define GET_DVI_SIZE_BY_VGA_BIOS 0x02 |
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| 17 | #define GET_DVI_SZIE_BY_HW_STRAPPING 0x03 |
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| 18 | |
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| 19 | /* Definition DVI Panel ID*/ |
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| 20 | /* Resolution: 640x480, Channel: single, Dithering: Enable */ |
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| 21 | #define DVI_PANEL_ID0_640X480 0x00 |
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| 22 | /* Resolution: 800x600, Channel: single, Dithering: Enable */ |
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| 23 | #define DVI_PANEL_ID1_800x600 0x01 |
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| 24 | /* Resolution: 1024x768, Channel: single, Dithering: Enable */ |
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| 25 | #define DVI_PANEL_ID1_1024x768 0x02 |
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| 26 | /* Resolution: 1280x768, Channel: single, Dithering: Enable */ |
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| 27 | #define DVI_PANEL_ID1_1280x768 0x03 |
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| 28 | /* Resolution: 1280x1024, Channel: dual, Dithering: Enable */ |
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| 29 | #define DVI_PANEL_ID1_1280x1024 0x04 |
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| 30 | /* Resolution: 1400x1050, Channel: dual, Dithering: Enable */ |
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| 31 | #define DVI_PANEL_ID1_1400x1050 0x05 |
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| 32 | /* Resolution: 1600x1200, Channel: dual, Dithering: Enable */ |
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| 33 | #define DVI_PANEL_ID1_1600x1200 0x06 |
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| 34 | |
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| 35 | /* Define the version of EDID*/ |
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| 36 | #define EDID_VERSION_1 1 |
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| 37 | #define EDID_VERSION_2 2 |
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| 38 | |
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| 39 | #define DEV_CONNECT_DVI 0x01 |
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| 40 | #define DEV_CONNECT_HDMI 0x02 |
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| 41 | |
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| 42 | int viafb_dvi_sense(void); |
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| 43 | void viafb_dvi_disable(void); |
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| 44 | void viafb_dvi_enable(void); |
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| 45 | bool viafb_tmds_trasmitter_identify(void); |
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| 46 | void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip, |
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| 47 | struct tmds_setting_information *tmds_setting); |
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| 48 | void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, |
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| 49 | u16 cxres, u16 cyres, int iga); |
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| 50 | |
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| 51 | #endif /* __DVI_H__ */ |
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| 52 | |
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