From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800

---
 kernel/drivers/gpu/drm/mgag200/mgag200_reg.h |   33 ++++++++++++++++++++++++++++-----
 1 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/kernel/drivers/gpu/drm/mgag200/mgag200_reg.h b/kernel/drivers/gpu/drm/mgag200/mgag200_reg.h
index c096a9d..60e7052 100644
--- a/kernel/drivers/gpu/drm/mgag200/mgag200_reg.h
+++ b/kernel/drivers/gpu/drm/mgag200/mgag200_reg.h
@@ -16,9 +16,10 @@
  *		MGA1064SG Mystique register file
  */
 
-
 #ifndef _MGA_REG_H_
 #define _MGA_REG_H_
+
+#include <linux/bits.h>
 
 #define	MGAREG_DWGCTL		0x1c00
 #define	MGAREG_MACCESS		0x1c04
@@ -221,20 +222,40 @@
 
 #define MGAREG_MISC_IOADSEL	(0x1 << 0)
 #define MGAREG_MISC_RAMMAPEN	(0x1 << 1)
-#define MGAREG_MISC_CLK_SEL_VGA25	(0x0 << 2)
-#define MGAREG_MISC_CLK_SEL_VGA28	(0x1 << 2)
-#define MGAREG_MISC_CLK_SEL_MGA_PIX	(0x2 << 2)
-#define MGAREG_MISC_CLK_SEL_MGA_MSK	(0x3 << 2)
+#define MGAREG_MISC_CLKSEL_MASK		GENMASK(3, 2)
+#define MGAREG_MISC_CLKSEL_VGA25	(0x0 << 2)
+#define MGAREG_MISC_CLKSEL_VGA28	(0x1 << 2)
+#define MGAREG_MISC_CLKSEL_MGA		(0x3 << 2)
 #define MGAREG_MISC_VIDEO_DIS	(0x1 << 4)
 #define MGAREG_MISC_HIGH_PG_SEL	(0x1 << 5)
+#define MGAREG_MISC_HSYNCPOL		BIT(6)
+#define MGAREG_MISC_VSYNCPOL		BIT(7)
 
 /* MMIO VGA registers */
 #define MGAREG_SEQ_INDEX	0x1fc4
 #define MGAREG_SEQ_DATA		0x1fc5
+
+#define MGAREG_SEQ0_ASYNCRST	BIT(0)
+#define MGAREG_SEQ0_SYNCRST	BIT(1)
+
+#define MGAREG_SEQ1_SCROFF	BIT(5)
+
 #define MGAREG_CRTC_INDEX	0x1fd4
 #define MGAREG_CRTC_DATA	0x1fd5
+
+#define MGAREG_CRTC11_VINTCLR		BIT(4)
+#define MGAREG_CRTC11_VINTEN		BIT(5)
+#define MGAREG_CRTC11_CRTCPROTECT	BIT(7)
+
 #define MGAREG_CRTCEXT_INDEX	0x1fde
 #define MGAREG_CRTCEXT_DATA	0x1fdf
+
+#define MGAREG_CRTCEXT0_OFFSET_MASK	GENMASK(5, 4)
+
+#define MGAREG_CRTCEXT1_VSYNCOFF	BIT(5)
+#define MGAREG_CRTCEXT1_HSYNCOFF	BIT(4)
+
+#define MGAREG_CRTCEXT3_MGAMODE		BIT(7)
 
 /* Cursor X and Y position */
 #define MGA_CURPOSXL 0x3c0c
@@ -262,6 +283,8 @@
 #define PCI_MGA_OPTION2		0x50
 #define PCI_MGA_OPTION3		0x54
 
+#define PCI_MGA_OPTION_HARDPWMSK	BIT(14)
+
 #define RAMDAC_OFFSET		0x3c00
 
 /* TVP3026 direct registers */

--
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