[PATCH 03/28] drm/via: Add via_disp_reg.h

[Kevin Brace <kevinbrace@gmx.com>]

From: Kevin Brace <kevinbrace@bracecomputerlab.com>

Likely originated from VIA Technologies.

Signed-off-by: Kevin Brace <kevinbrace@bracecomputerlab.com>
---
 drivers/gpu/drm/via/via_disp_reg.h | 513 +++++++++++++++++++++++++++++
 1 file changed, 513 insertions(+)
 create mode 100644 drivers/gpu/drm/via/via_disp_reg.h

diff --git a/drivers/gpu/drm/via/via_disp_reg.h b/drivers/gpu/drm/via/via_disp_reg.h
new file mode 100644
index 000000000000..e2bd895bb495
--- /dev/null
+++ b/drivers/gpu/drm/via/via_disp_reg.h
@@ -0,0 +1,513 @@
+/*
+ * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2009 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) OR COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VIA_DISP_REG_H__
+#define __VIA_DISP_REG_H__
+
+/********************************************************/
+/* Definition IGA Design Method of FIFO Registers	*/
+/********************************************************/
+#define IGA1_FIFO_DEPTH_SELECT_FORMULA(x)		((x >> 1) - 1)
+#define IGA2_FIFO_DEPTH_SELECT_FORMULA(x)		((x >> 3) - 1)
+
+/* Define Display OFFSET */
+/* VT3314 chipset */
+#define CN700_IGA1_FIFO_MAX_DEPTH		96	/* location: {SR17,0,7}*/
+#define CN700_IGA1_FIFO_THRESHOLD		80	/* location: {SR16,0,5},{SR16,7,7}*/
+#define CN700_IGA1_FIFO_HIGH_THRESHOLD		64	/* location: {SR18,0,5},{SR18,7,7}*/
+#define CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	128	/* location: {SR22,0,4}. (128/4) =64,
+							 * P800 must be set zero, because HW
+							 * only 5 bits */
+#define CN700_IGA2_FIFO_MAX_DEPTH		96	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define CN700_IGA2_FIFO_THRESHOLD		80	/* location: {CR68,0,3},{CR95,4,6}*/
+#define CN700_IGA2_FIFO_HIGH_THRESHOLD		32	/* location: {CR92,0,3},{CR95,0,2}*/
+#define CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	128	/* location: {CR94,0,6}*/
+
+/* For VT3324, these values are suggested by HW */
+#define CX700_IGA1_FIFO_MAX_DEPTH		192	/* location: {SR17,0,7}*/
+#define CX700_IGA1_FIFO_THRESHOLD		128	/* location: {SR16,0,5},{SR16,7,7}*/
+#define CX700_IGA1_FIFO_HIGH_THRESHOLD		128	/* location: {SR18,0,5},{SR18,7,7} */
+#define CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	124	/* location: {SR22,0,4} */
+
+#define CX700_IGA2_FIFO_MAX_DEPTH		96	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define CX700_IGA2_FIFO_THRESHOLD		64	/* location: {CR68,0,3},{CR95,4,6}*/
+#define CX700_IGA2_FIFO_HIGH_THRESHOLD		32	/* location: {CR92,0,3},{CR95,0,2} */
+#define CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	128	/* location: {CR94,0,6}*/
+
+/* VT3336 chipset */
+#define K8M890_IGA1_FIFO_MAX_DEPTH		360	/* location: {SR17,0,7}*/
+#define K8M890_IGA1_FIFO_THRESHOLD		328	/* location: {SR16,0,5},{SR16,7,7}*/
+#define K8M890_IGA1_FIFO_HIGH_THRESHOLD		296	/* location: {SR18,0,5},{SR18,7,7}*/
+#define K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	124	/* location: {SR22,0,4}.*/
+
+#define K8M890_IGA2_FIFO_MAX_DEPTH		360	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define K8M890_IGA2_FIFO_THRESHOLD		328	/* location: {CR68,0,3},{CR95,4,6}*/
+#define K8M890_IGA2_FIFO_HIGH_THRESHOLD		296	/* location: {CR92,0,3},{CR95,0,2}*/
+#define K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	124	/* location: {CR94,0,6}*/
+
+/* VT3327 chipset */
+#define P4M890_IGA1_FIFO_MAX_DEPTH		96	/* location: {SR17,0,7}*/
+#define P4M890_IGA1_FIFO_THRESHOLD		76	/* location: {SR16,0,5},{SR16,7,7}*/
+#define P4M890_IGA1_FIFO_HIGH_THRESHOLD		64	/* location: {SR18,0,5},{SR18,7,7}*/
+#define P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	32	/* location: {SR22,0,4}. (32/4) =8*/
+
+#define P4M890_IGA2_FIFO_MAX_DEPTH		96	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define P4M890_IGA2_FIFO_THRESHOLD		76	/* location: {CR68,0,3},{CR95,4,6}*/
+#define P4M890_IGA2_FIFO_HIGH_THRESHOLD		64	/* location: {CR92,0,3},{CR95,0,2}*/
+#define P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	32	/* location: {CR94,0,6}*/
+
+/* VT3364 chipset */
+#define P4M900_IGA1_FIFO_MAX_DEPTH		96	/* location: {SR17,0,7}*/
+#define P4M900_IGA1_FIFO_THRESHOLD		76	/* location: {SR16,0,5},{SR16,7,7}*/
+#define P4M900_IGA1_FIFO_HIGH_THRESHOLD		76	/* location: {SR18,0,5},{SR18,7,7}*/
+#define P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	32	/* location: {SR22,0,4}.*/
+
+#define P4M900_IGA2_FIFO_MAX_DEPTH		96	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define P4M900_IGA2_FIFO_THRESHOLD		76	/* location: {CR68,0,3},{CR95,4,6}*/
+#define P4M900_IGA2_FIFO_HIGH_THRESHOLD		76	/* location: {CR92,0,3},{CR95,0,2}*/
+#define P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	32	/* location: {CR94,0,6}*/
+
+/* For VT3353, these values are suggested by HW */
+#define VX800_IGA1_FIFO_MAX_DEPTH		192	/* location: {SR17,0,7}*/
+#define VX800_IGA1_FIFO_THRESHOLD		152	/* location: {SR16,0,5},{SR16,7,7}*/
+#define VX800_IGA1_FIFO_HIGH_THRESHOLD		152	/* location: {SR18,0,5},{SR18,7,7} */
+#define VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	64	/* location: {SR22,0,4} */
+
+#define VX800_IGA2_FIFO_MAX_DEPTH		96	/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7}*/
+#define VX800_IGA2_FIFO_THRESHOLD		64	/* location: {CR68,0,3},{CR95,4,6}*/
+#define VX800_IGA2_FIFO_HIGH_THRESHOLD		32	/* location: {CR92,0,3},{CR95,0,2} */
+#define VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	128	/* location: {CR94,0,6}*/
+
+/* For VT3409 */
+#define VX855_IGA1_FIFO_MAX_DEPTH		400
+#define VX855_IGA1_FIFO_THRESHOLD		320
+#define VX855_IGA1_FIFO_HIGH_THRESHOLD		320
+#define VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	160
+
+#define VX855_IGA2_FIFO_MAX_DEPTH		200
+#define VX855_IGA2_FIFO_THRESHOLD		160
+#define VX855_IGA2_FIFO_HIGH_THRESHOLD		160
+#define VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	320
+
+/* For VT3410 */
+#define VX900_IGA1_FIFO_MAX_DEPTH		400
+#define VX900_IGA1_FIFO_THRESHOLD		320
+#define VX900_IGA1_FIFO_HIGH_THRESHOLD		320
+#define VX900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	160
+
+#define VX900_IGA2_FIFO_MAX_DEPTH		192
+#define VX900_IGA2_FIFO_THRESHOLD		160
+#define VX900_IGA2_FIFO_HIGH_THRESHOLD		160
+#define VX900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	320
+
+#ifdef VIA_VT3293_SUPPORT
+/* For VT3293 */
+#define CN750_IGA1_FIFO_MAX_DEPTH		96
+#define CN750_IGA1_FIFO_THRESHOLD		76
+#define CN750_IGA1_FIFO_HIGH_THRESHOLD		76
+#define CN750_IGA1_DISPLAY_QUEUE_EXPIRE_NUM	32
+
+#define CN750_IGA2_FIFO_MAX_DEPTH		96
+#define CN750_IGA2_FIFO_THRESHOLD		76
+#define CN750_IGA2_FIFO_HIGH_THRESHOLD		76
+#define CN750_IGA2_DISPLAY_QUEUE_EXPIRE_NUM	32
+#endif
+
+/* CLE266 and KM400 IGA1 FIFO Depth Select */
+static struct vga_regset iga1_cle266_fifo_depth_select[] = {
+	{ VGA_SEQ_I, 0x17, 0, 6 }
+};
+
+/* K8M800 or later IGA1 FIFO Depth Select */
+static struct vga_regset iga1_k8m800_fifo_depth_select[] = {
+	{ VGA_SEQ_I, 0x17, 0, 7 }
+};
+
+/* CLE266 and KM400 IGA2 FIFO Depth_Select */
+static struct vga_regset iga2_cle266_fifo_depth_select[] = {
+	{ VGA_CRT_IC, 0x68, 4, 7 }
+};
+
+/* K8M800 or later IGA2 FIFO Depth_Select */
+static struct vga_regset iga2_k8m800_fifo_depth_select[] = {
+	{ VGA_CRT_IC, 0x68, 4, 7 },
+	{ VGA_CRT_IC, 0x94, 7, 7 },
+	{ VGA_CRT_IC, 0x95, 7, 7 }
+};
+
+/* CLE266 and KM400 IGA1 FIFO Threshold Select */
+static struct vga_regset iga1_cle266_fifo_threshold_select[] = {
+	{ VGA_SEQ_I, 0x16, 0, 5 }
+};
+
+/*  K8M800 or later IGA1 FIFO Threshold Select */
+static struct vga_regset iga1_k8m800_fifo_threshold_select[] = {
+	{ VGA_SEQ_I, 0x16, 0, 5 },
+	{ VGA_SEQ_I, 0x16, 7, 7 }
+};
+
+/* CLE266 and KM400 IGA2 FIFO Threshold Select */
+static struct vga_regset iga2_cle266_fifo_threshold_select[] = {
+	{ VGA_CRT_IC, 0x68, 0, 3 }
+};
+
+/* K8M800 or later IGA2 FIFO Threshold Select */
+static struct vga_regset iga2_k8m800_fifo_threshold_select[] = {
+	{ VGA_CRT_IC, 0x68, 0, 3 },
+	{ VGA_CRT_IC, 0x95, 4, 6 }
+};
+
+/* CLE266 and KM400 IGA1 FIFO High Threshold Select */
+static struct vga_regset iga1_cle266_fifo_high_threshold_select[] = {
+	{ VGA_SEQ_I, 0x18, 0, 5 }
+};
+
+/* K8M800 or later IGA1 FIFO High Threshold Select */
+static struct vga_regset iga1_k8m800_fifo_high_threshold_select[] = {
+	{ VGA_SEQ_I, 0x18, 0, 5 },
+	{ VGA_SEQ_I, 0x18, 7, 7 }
+};
+
+/* IGA2 FIFO High Threshold Select */
+static struct vga_regset iga2_fifo_high_threshold_select[] = {
+	{ VGA_CRT_IC, 0x92, 0, 3 },
+	{ VGA_CRT_IC, 0x95, 0, 2 }
+};
+
+/* CLE266 and KM400 IGA1 FIFO Display Queue Expire */
+static struct vga_regset iga1_cle266_display_queue_expire_num[] = {
+	{ VGA_SEQ_I, 0x22, 0, 4 }
+};
+
+/* K8M800 and later IGA1 FIFO Display Queue Expire */
+static struct vga_regset iga1_k8m800_display_queue_expire_num[] = {
+	{ VGA_SEQ_I, 0x22, 0, 4 }
+};
+
+/* IGA2 FIFO display queue expire */
+static struct vga_regset iga2_display_queue_expire_num[] = {
+	{ VGA_CRT_IC, 0x94, 0, 6 }
+};
+
+/***********************************************/
+/************* Offset register *****************/
+/***********************************************/
+
+/* IGA1 Offset Register */
+static struct vga_regset iga1_offset[] = {
+	{ VGA_CRT_IC, 0x13, 0, 7 },
+	{ VGA_CRT_IC, 0x35, 5, 7 }
+};
+
+/* IGA2 Offset Register */
+static struct vga_regset iga2_offset[] = {
+	{ VGA_CRT_IC, 0x66, 0, 7 },
+	{ VGA_CRT_IC, 0x67, 0, 1 },
+	{ VGA_CRT_IC, 0x71, 7, 7 }
+};
+
+/***********************************************/
+/*********** Fetch count register **************/
+/***********************************************/
+
+/* IGA1 Fetch Count Register */
+static struct vga_regset iga1_fetch_count[] = {
+	{ VGA_SEQ_I, 0x1C, 0, 7 },
+	{ VGA_SEQ_I, 0x1D, 0, 1 }
+};
+
+/* IGA2 Fetch Count Register */
+static struct vga_regset iga2_fetch_count[] = {
+	{ VGA_CRT_IC, 0x65, 0, 7 },
+	{ VGA_CRT_IC, 0x67, 2, 3 }
+};
+
+/************************************************/
+/*********** IGA Scaling Factor Registers *******/
+/************************************************/
+#define LCD_HOR_SCALE_FACTOR_FORMULA(x, y)	(((x - 1) * 4096) / (y - 1))
+#define LCD_VER_SCALE_FACTOR_FORMULA(x, y)	(((x - 1) * 2048) / (y - 1))
+
+static struct vga_regset lcd_hor_scaling[] = {
+	{ VGA_CRT_IC, 0x9F, 0, 1 },
+	{ VGA_CRT_IC, 0x77, 0, 7 },
+	{ VGA_CRT_IC, 0x79, 4, 5 }
+};
+
+static struct vga_regset lcd_ver_scaling[] = {
+	{ VGA_CRT_IC, 0x79, 3, 3 },
+	{ VGA_CRT_IC, 0x78, 0, 7 },
+	{ VGA_CRT_IC, 0x79, 6, 7 }
+};
+
+/***********************************************/
+/*********** CRTC timing register **************/
+/***********************************************/
+
+/***************************************************/
+/* Definition IGA1 Design Method of CRTC Registers */
+/***************************************************/
+#define IGA1_HOR_TOTAL_FORMULA(x)	(x / 8) - 5
+#define IGA1_HOR_ADDR_FORMULA(x)	(x / 8) - 1
+#define IGA1_HOR_BLANK_START_FORMULA(x)	(x / 8) - 1
+#define IGA1_HOR_BLANK_END_FORMULA(x)	(x / 8) - 1
+#define IGA1_HOR_SYNC_START_FORMULA(x)	(x / 8) - 1
+#define IGA1_HOR_SYNC_END_FORMULA(x)	(x / 8) - 1
+
+#define IGA1_VER_TOTAL_FORMULA(x)	(x - 2)
+#define IGA1_VER_ADDR_FORMULA(x)	(x - 1)
+#define IGA1_VER_BLANK_START_FORMULA(x)	(x - 1)
+#define IGA1_VER_BLANK_END_FORMULA(x)	(x - 1)
+#define IGA1_VER_SYNC_START_FORMULA(x)	(x - 1)
+#define IGA1_VER_SYNC_END_FORMULA(x)	(x - 1)
+
+/***************************************************/
+/* Definition IGA2 Design Method of CRTC Registers */
+/***************************************************/
+#define IGA2_HOR_TOTAL_FORMULA(x)	(x - 1)
+#define IGA2_HOR_ADDR_FORMULA(x)	(x - 1)
+#define IGA2_HOR_BLANK_START_FORMULA(x)	(x - 1)
+#define IGA2_HOR_BLANK_END_FORMULA(x)	(x - 1)
+#define IGA2_HOR_SYNC_START_FORMULA(x)	(x - 1)
+#define IGA2_HOR_SYNC_END_FORMULA(x)	(x - 1)
+
+#define IGA2_VER_TOTAL_FORMULA(x)	(x - 1)
+#define IGA2_VER_ADDR_FORMULA(x)	(x - 1)
+#define IGA2_VER_BLANK_START_FORMULA(x)	(x - 1)
+#define IGA2_VER_BLANK_END_FORMULA(x)	(x - 1)
+#define IGA2_VER_SYNC_START_FORMULA(x)	(x - 1)
+#define IGA2_VER_SYNC_END_FORMULA(x)	(x - 1)
+
+/****************************************************************/
+/* Definition IGA1 Design Method of CRTC Pixel timing Registers	*/
+/****************************************************************/
+#define IGA1_PIXELTIMING_HOR_TOTAL_FORMULA(x)		(x - 1)
+#define IGA1_PIXELTIMING_HOR_ADDR_FORMULA(x)		(x - 1)
+#define IGA1_PIXELTIMING_HOR_BLANK_START_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_HOR_BLANK_END_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_HOR_SYNC_START_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_HOR_SYNC_END_FORMULA(x)	(x - 1)
+
+#define IGA1_PIXELTIMING_VER_TOTAL_FORMULA(x)		(x - 2)
+#define IGA1_PIXELTIMING_VER_ADDR_FORMULA(x)		(x - 1)
+#define IGA1_PIXELTIMING_VER_BLANK_START_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_VER_BLANK_END_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_VER_SYNC_START_FORMULA(x)	(x - 1)
+#define IGA1_PIXELTIMING_VER_SYNC_END_FORMULA(x)	(x - 1)
+
+#define IGA1_PIXELTIMING_HVSYNC_OFFSET_END_FORMULA(x, y)	\
+	((x / 2) - 1 - (x - y))
+
+/************************************************/
+/*      Define IGA1 Display Timing              */
+/************************************************/
+
+/* IGA1 Horizontal Total */
+static struct vga_regset iga1_hor_total[] = {
+	{ VGA_CRT_IC, 0x00, 0, 7 },
+	{ VGA_CRT_IC, 0x36, 3, 3 }
+};
+
+/* IGA1 Horizontal Addressable Video */
+static struct vga_regset iga1_hor_addr[] = {
+	{ VGA_CRT_IC, 0x01, 0, 7 },
+	{ VGA_CRT_IC, 0x45, 1, 1 }
+};
+
+/* IGA1 Horizontal Blank Start */
+static struct vga_regset iga1_hor_blank_start[] = {
+	{ VGA_CRT_IC, 0x02, 0, 7 },
+	{ VGA_CRT_IC, 0x45, 2, 2 }
+};
+
+/* IGA1 Horizontal Blank End */
+static struct vga_regset iga1_hor_blank_end[] = {
+	{ VGA_CRT_IC, 0x03, 0, 4 },
+	{ VGA_CRT_IC, 0x05, 7, 7 },
+	{ VGA_CRT_IC, 0x33, 5, 5 }
+};
+
+/* IGA1 Horizontal Sync Start */
+static struct vga_regset iga1_hor_sync_start[] = {
+	{ VGA_CRT_IC, 0x04, 0, 7 },
+	{ VGA_CRT_IC, 0x33, 4, 4 }
+};
+
+/* IGA1 Horizontal Sync End */
+static struct vga_regset iga1_hor_sync_end[] = {
+	{ VGA_CRT_IC, 0x05, 0, 4 }
+};
+
+/* IGA1 Vertical Total */
+static struct vga_regset iga1_ver_total[] = {
+	{ VGA_CRT_IC, 0x06, 0, 7 },
+	{ VGA_CRT_IC, 0x07, 0, 0 },
+	{ VGA_CRT_IC, 0x07, 5, 5 },
+	{ VGA_CRT_IC, 0x35, 0, 0 }
+};
+
+/* IGA1 Vertical Addressable Video */
+static struct vga_regset iga1_ver_addr[] = {
+	{ VGA_CRT_IC, 0x12, 0, 7 },
+	{ VGA_CRT_IC, 0x07, 1, 1 },
+	{ VGA_CRT_IC, 0x07, 6, 6 },
+	{ VGA_CRT_IC, 0x35, 2, 2 }
+};
+
+/* IGA1 Vertical Blank Start */
+static struct vga_regset iga1_ver_blank_start[] = {
+	{ VGA_CRT_IC, 0x15, 0, 7 },
+	{ VGA_CRT_IC, 0x07, 3, 3 },
+	{ VGA_CRT_IC, 0x09, 5, 5 },
+	{ VGA_CRT_IC, 0x35, 3, 3 }
+};
+
+/* IGA1 Vertical Blank End */
+static struct vga_regset iga1_ver_blank_end[] = {
+	{ VGA_CRT_IC, 0x16, 0, 7 }
+};
+
+/* IGA1 Vertical Sync Start */
+static struct vga_regset iga1_ver_sync_start[] = {
+	{ VGA_CRT_IC, 0x10, 0, 7 },
+	{ VGA_CRT_IC, 0x07, 2, 2 },
+	{ VGA_CRT_IC, 0x07, 7, 7 },
+	{ VGA_CRT_IC, 0x35, 1, 1 }
+};
+
+/* IGA1 Vertical Sync End */
+static struct vga_regset iga1_ver_sync_end[] = {
+	{ VGA_CRT_IC, 0x11, 0, 3 }
+};
+
+/************************************************/
+/*      Define IGA2 Display Timing              */
+/************************************************/
+
+/* IGA2 Horizontal Total */
+static struct vga_regset iga2_hor_total[] = {
+	{ VGA_CRT_IC, 0x50, 0, 7 },
+	{ VGA_CRT_IC, 0x55, 0, 3 }
+};
+
+/* IGA2 Horizontal Addressable Video */
+static struct vga_regset iga2_hor_addr[] = {
+	{ VGA_CRT_IC, 0x51, 0, 7 },
+	{ VGA_CRT_IC, 0x55, 4, 6 },
+	{ VGA_CRT_IC, 0x55, 7, 7 }
+};
+
+/* IGA2 Horizontal Blank Start */
+static struct vga_regset iga2_hor_blank_start[] = {
+	{ VGA_CRT_IC, 0x52, 0, 7 },
+	{ VGA_CRT_IC, 0x54, 0, 2 },
+	{ VGA_CRT_IC, 0x6B, 0, 0 }
+};
+
+/* IGA2 Horizontal Blank End */
+static struct vga_regset iga2_hor_blank_end[] = {
+	{ VGA_CRT_IC, 0x53, 0, 7 },
+	{ VGA_CRT_IC, 0x54, 3, 5 },
+	{ VGA_CRT_IC, 0x5D, 6, 6 }
+};
+
+/* IGA2 Horizontal Sync Start */
+static struct vga_regset iga2_hor_sync_start[] = {
+	{ VGA_CRT_IC, 0x56, 0, 7 },
+	{ VGA_CRT_IC, 0x54, 6, 7 },
+	{ VGA_CRT_IC, 0x5C, 7, 7 },
+	{ VGA_CRT_IC, 0x5D, 7, 7 }
+};
+
+/* IGA2 Horizontal Sync End */
+static struct vga_regset iga2_hor_sync_end[] = {
+	{ VGA_CRT_IC, 0x57, 0, 7 },
+	{ VGA_CRT_IC, 0x5C, 6, 6 }
+};
+
+/* IGA2 Vertical Total */
+static struct vga_regset iga2_ver_total[] = {
+	{ VGA_CRT_IC, 0x58, 0, 7 },
+	{ VGA_CRT_IC, 0x5D, 0, 2 }
+};
+
+/* IGA2 Vertical Addressable Video */
+static struct vga_regset iga2_ver_addr[] = {
+	{ VGA_CRT_IC, 0x59, 0, 7 },
+	{ VGA_CRT_IC, 0x5D, 3, 5 }
+};
+
+/* IGA2 Vertical Blank Start */
+static struct vga_regset iga2_ver_blank_start[] = {
+	{ VGA_CRT_IC, 0x5A, 0, 7 },
+	{ VGA_CRT_IC, 0x5C, 0, 2 }
+};
+
+/* IGA2 Vertical Blank End */
+static struct vga_regset iga2_ver_blank_end[] = {
+	{ VGA_CRT_IC, 0x5B, 0, 7 },
+	{ VGA_CRT_IC, 0x5C, 3, 5 }
+};
+
+/* IGA2 Vertical Sync Start */
+static struct vga_regset iga2_ver_sync_start[] = {
+	{ VGA_CRT_IC, 0x5E, 0, 7 },
+	{ VGA_CRT_IC, 0x5F, 5, 7 }
+};
+
+/* IGA2 Vertical Sync End */
+static struct vga_regset iga2_ver_sync_end[] = {
+	{ VGA_CRT_IC, 0x5F, 0, 4 }
+};
+
+/* IGA1 pixel timing Registers */
+#define	IGA1_PIX_H_TOTAL_REG		0x8400		/* [15:0]  */
+#define	IGA1_PIX_H_ADDR_REG		0x8400		/* [31:16] */
+#define	IGA1_PIX_H_BNK_ST_REG		0x8404		/* [15:0]  */
+#define	IGA1_PIX_H_BNK_END_REG		0x8404		/* [31:16] */
+#define	IGA1_PIX_H_SYNC_ST_REG		0x8408		/* [15:0]  */
+#define	IGA1_PIX_H_SYNC_END_REG		0x8408		/* [31:16] */
+#define	IGA1_PIX_V_TOTAL_REG		0x8424		/* [10:0]  */
+#define	IGA1_PIX_V_ADDR_REG		0x8424		/* [26:16] */
+#define	IGA1_PIX_V_BNK_ST_REG		0x8428		/* [10:0]  */
+#define	IGA1_PIX_V_BNK_END_REG		0x8428		/* [26:16] */
+#define	IGA1_PIX_V_SYNC_ST_REG		0x842C		/* [10:0]  */
+#define	IGA1_PIX_V_SYNC_END_REG		0x842C		/* [15:12] */
+#define	IGA1_PIX_HALF_LINE_REG		0x8434		/* [15:0]  */
+
+#define	IGA1_PIX_H_TOTAL_MASK		0x0000FFFF	/* [15:0]  */
+#define	IGA1_PIX_H_ADDR_MASK		0xFFFF0000	/* [31:16] */
+#define	IGA1_PIX_H_BNK_ST_MASK		0x0000FFFF	/* [15:0]  */
+#define	IGA1_PIX_H_BNK_END_MASK		0xFFFF0000	/* [31:16] */
+#define	IGA1_PIX_H_SYNC_ST_MASK		0x0000FFFF	/* [15:0]  */
+#define	IGA1_PIX_H_SYNC_END_MASK	0xFFFF0000	/* [31:16] */
+#define	IGA1_PIX_V_TOTAL_MASK		0x000007FF	/* [10:0]  */
+#define	IGA1_PIX_V_ADDR_MASK		0x07FF0000	/* [26:16] */
+#define	IGA1_PIX_V_BNK_ST_MASK		0x000007FF	/* [10:0]  */
+#define	IGA1_PIX_V_BNK_END_MASK		0x07FF0000	/* [26:16] */
+#define	IGA1_PIX_V_SYNC_ST_MASK		0x000007FF	/* [10:0]  */
+#define	IGA1_PIX_V_SYNC_END_MASK	0x0000F000	/* [15:12] */
+#define	IGA1_PIX_HALF_LINE_MASK		0x0000FFFF	/* [15:0]  */
+
+#endif
--
2.35.1