From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/gpu/drm/mxsfb/mxsfb_regs.h |  122 ++++++++++++++++++++++------------------
 1 files changed, 68 insertions(+), 54 deletions(-)

diff --git a/kernel/drivers/gpu/drm/mxsfb/mxsfb_regs.h b/kernel/drivers/gpu/drm/mxsfb/mxsfb_regs.h
index 66a6ba9..694fea1 100644
--- a/kernel/drivers/gpu/drm/mxsfb/mxsfb_regs.h
+++ b/kernel/drivers/gpu/drm/mxsfb/mxsfb_regs.h
@@ -1,17 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2010 Juergen Beisert, Pengutronix
  * Copyright (C) 2016 Marek Vasut <marex@denx.de>
  *
  * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __MXSFB_REGS_H__
@@ -23,6 +15,7 @@
 #define LCDC_CTRL			0x00
 #define LCDC_CTRL1			0x10
 #define LCDC_V3_TRANSFER_COUNT		0x20
+#define LCDC_V4_CTRL2			0x20
 #define LCDC_V4_TRANSFER_COUNT		0x30
 #define LCDC_V4_CUR_BUF			0x40
 #define LCDC_V4_NEXT_BUF		0x50
@@ -35,52 +28,69 @@
 #define LCDC_VDCTRL4			0xb0
 #define LCDC_V4_DEBUG0			0x1d0
 #define LCDC_V3_DEBUG0			0x1f0
+#define LCDC_AS_CTRL			0x210
+#define LCDC_AS_BUF			0x220
+#define LCDC_AS_NEXT_BUF		0x230
+#define LCDC_AS_CLRKEYLOW		0x240
+#define LCDC_AS_CLRKEYHIGH		0x250
 
-#define CTRL_SFTRST			(1 << 31)
-#define CTRL_CLKGATE			(1 << 30)
-#define CTRL_BYPASS_COUNT		(1 << 19)
-#define CTRL_VSYNC_MODE			(1 << 18)
-#define CTRL_DOTCLK_MODE		(1 << 17)
-#define CTRL_DATA_SELECT		(1 << 16)
-#define CTRL_SET_BUS_WIDTH(x)		(((x) & 0x3) << 10)
-#define CTRL_GET_BUS_WIDTH(x)		(((x) >> 10) & 0x3)
+#define CTRL_SFTRST			BIT(31)
+#define CTRL_CLKGATE			BIT(30)
+#define CTRL_BYPASS_COUNT		BIT(19)
+#define CTRL_VSYNC_MODE			BIT(18)
+#define CTRL_DOTCLK_MODE		BIT(17)
+#define CTRL_DATA_SELECT		BIT(16)
+#define CTRL_BUS_WIDTH_16		(0 << 10)
+#define CTRL_BUS_WIDTH_8		(1 << 10)
+#define CTRL_BUS_WIDTH_18		(2 << 10)
+#define CTRL_BUS_WIDTH_24		(3 << 10)
 #define CTRL_BUS_WIDTH_MASK		(0x3 << 10)
-#define CTRL_SET_WORD_LENGTH(x)		(((x) & 0x3) << 8)
-#define CTRL_GET_WORD_LENGTH(x)		(((x) >> 8) & 0x3)
-#define CTRL_MASTER			(1 << 5)
-#define CTRL_DF16			(1 << 3)
-#define CTRL_DF18			(1 << 2)
-#define CTRL_DF24			(1 << 1)
-#define CTRL_RUN			(1 << 0)
+#define CTRL_WORD_LENGTH_16		(0 << 8)
+#define CTRL_WORD_LENGTH_8		(1 << 8)
+#define CTRL_WORD_LENGTH_18		(2 << 8)
+#define CTRL_WORD_LENGTH_24		(3 << 8)
+#define CTRL_MASTER			BIT(5)
+#define CTRL_DF16			BIT(3)
+#define CTRL_DF18			BIT(2)
+#define CTRL_DF24			BIT(1)
+#define CTRL_RUN			BIT(0)
 
-#define CTRL1_FIFO_CLEAR		(1 << 21)
+#define CTRL1_RECOVER_ON_UNDERFLOW	BIT(24)
+#define CTRL1_FIFO_CLEAR		BIT(21)
 #define CTRL1_SET_BYTE_PACKAGING(x)	(((x) & 0xf) << 16)
 #define CTRL1_GET_BYTE_PACKAGING(x)	(((x) >> 16) & 0xf)
-#define CTRL1_CUR_FRAME_DONE_IRQ_EN	(1 << 13)
-#define CTRL1_CUR_FRAME_DONE_IRQ	(1 << 9)
+#define CTRL1_CUR_FRAME_DONE_IRQ_EN	BIT(13)
+#define CTRL1_CUR_FRAME_DONE_IRQ	BIT(9)
+
+#define CTRL2_SET_OUTSTANDING_REQS_1	0
+#define CTRL2_SET_OUTSTANDING_REQS_2	(0x1 << 21)
+#define CTRL2_SET_OUTSTANDING_REQS_4	(0x2 << 21)
+#define CTRL2_SET_OUTSTANDING_REQS_8	(0x3 << 21)
+#define CTRL2_SET_OUTSTANDING_REQS_16	(0x4 << 21)
+#define CTRL2_SET_OUTSTANDING_REQS_MASK	(0x7 << 21)
 
 #define TRANSFER_COUNT_SET_VCOUNT(x)	(((x) & 0xffff) << 16)
 #define TRANSFER_COUNT_GET_VCOUNT(x)	(((x) >> 16) & 0xffff)
 #define TRANSFER_COUNT_SET_HCOUNT(x)	((x) & 0xffff)
 #define TRANSFER_COUNT_GET_HCOUNT(x)	((x) & 0xffff)
 
-#define VDCTRL0_ENABLE_PRESENT		(1 << 28)
-#define VDCTRL0_VSYNC_ACT_HIGH		(1 << 27)
-#define VDCTRL0_HSYNC_ACT_HIGH		(1 << 26)
-#define VDCTRL0_DOTCLK_ACT_FALLING	(1 << 25)
-#define VDCTRL0_ENABLE_ACT_HIGH		(1 << 24)
-#define VDCTRL0_VSYNC_PERIOD_UNIT	(1 << 21)
-#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT	(1 << 20)
-#define VDCTRL0_HALF_LINE		(1 << 19)
-#define VDCTRL0_HALF_LINE_MODE		(1 << 18)
+#define VDCTRL0_ENABLE_PRESENT		BIT(28)
+#define VDCTRL0_VSYNC_ACT_HIGH		BIT(27)
+#define VDCTRL0_HSYNC_ACT_HIGH		BIT(26)
+#define VDCTRL0_DOTCLK_ACT_FALLING	BIT(25)
+#define VDCTRL0_ENABLE_ACT_HIGH		BIT(24)
+#define VDCTRL0_VSYNC_PERIOD_UNIT	BIT(21)
+#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT	BIT(20)
+#define VDCTRL0_HALF_LINE		BIT(19)
+#define VDCTRL0_HALF_LINE_MODE		BIT(18)
 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
 
 #define VDCTRL2_SET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
 #define VDCTRL2_GET_HSYNC_PERIOD(x)	((x) & 0x3ffff)
 
-#define VDCTRL3_MUX_SYNC_SIGNALS	(1 << 29)
-#define VDCTRL3_VSYNC_ONLY		(1 << 28)
+#define VDCTRL3_MUX_SYNC_SIGNALS	BIT(29)
+#define VDCTRL3_VSYNC_ONLY		BIT(28)
 #define SET_HOR_WAIT_CNT(x)		(((x) & 0xfff) << 16)
 #define GET_HOR_WAIT_CNT(x)		(((x) >> 16) & 0xfff)
 #define SET_VERT_WAIT_CNT(x)		((x) & 0xffff)
@@ -88,28 +98,32 @@
 
 #define VDCTRL4_SET_DOTCLK_DLY(x)	(((x) & 0x7) << 29) /* v4 only */
 #define VDCTRL4_GET_DOTCLK_DLY(x)	(((x) >> 29) & 0x7) /* v4 only */
-#define VDCTRL4_SYNC_SIGNALS_ON		(1 << 18)
+#define VDCTRL4_SYNC_SIGNALS_ON		BIT(18)
 #define SET_DOTCLK_H_VALID_DATA_CNT(x)	((x) & 0x3ffff)
 
-#define DEBUG0_HSYNC			(1 < 26)
-#define DEBUG0_VSYNC			(1 < 25)
+#define DEBUG0_HSYNC			BIT(26)
+#define DEBUG0_VSYNC			BIT(25)
+
+#define AS_CTRL_PS_DISABLE		BIT(23)
+#define AS_CTRL_ALPHA_INVERT		BIT(20)
+#define AS_CTRL_ALPHA(a)		(((a) & 0xff) << 8)
+#define AS_CTRL_FORMAT_RGB565		(0xe << 4)
+#define AS_CTRL_FORMAT_RGB444		(0xd << 4)
+#define AS_CTRL_FORMAT_RGB555		(0xc << 4)
+#define AS_CTRL_FORMAT_ARGB4444		(0x9 << 4)
+#define AS_CTRL_FORMAT_ARGB1555		(0x8 << 4)
+#define AS_CTRL_FORMAT_RGB888		(0x4 << 4)
+#define AS_CTRL_FORMAT_ARGB8888		(0x0 << 4)
+#define AS_CTRL_ENABLE_COLORKEY		BIT(3)
+#define AS_CTRL_ALPHA_CTRL_ROP		(3 << 1)
+#define AS_CTRL_ALPHA_CTRL_MULTIPLY	(2 << 1)
+#define AS_CTRL_ALPHA_CTRL_OVERRIDE	(1 << 1)
+#define AS_CTRL_ALPHA_CTRL_EMBEDDED	(0 << 1)
+#define AS_CTRL_AS_ENABLE		BIT(0)
 
 #define MXSFB_MIN_XRES			120
 #define MXSFB_MIN_YRES			120
 #define MXSFB_MAX_XRES			0xffff
 #define MXSFB_MAX_YRES			0xffff
-
-#define RED 0
-#define GREEN 1
-#define BLUE 2
-#define TRANSP 3
-
-#define STMLCDIF_8BIT  1 /* pixel data bus to the display is of 8 bit width */
-#define STMLCDIF_16BIT 0 /* pixel data bus to the display is of 16 bit width */
-#define STMLCDIF_18BIT 2 /* pixel data bus to the display is of 18 bit width */
-#define STMLCDIF_24BIT 3 /* pixel data bus to the display is of 24 bit width */
-
-#define MXSFB_SYNC_DATA_ENABLE_HIGH_ACT	(1 << 6)
-#define MXSFB_SYNC_DOTCLK_FALLING_ACT	(1 << 7) /* negative edge sampling */
 
 #endif /* __MXSFB_REGS_H__ */

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