xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/zte/zx_vga_regs.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2017 Sanechips Technology Co., Ltd.
4*4882a593Smuzhiyun  * Copyright 2017 Linaro Ltd.
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __ZX_VGA_REGS_H__
8*4882a593Smuzhiyun #define __ZX_VGA_REGS_H__
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define VGA_CMD_CFG			0x04
11*4882a593Smuzhiyun #define VGA_CMD_TRANS			BIT(6)
12*4882a593Smuzhiyun #define VGA_CMD_COMBO			BIT(5)
13*4882a593Smuzhiyun #define VGA_CMD_RW			BIT(4)
14*4882a593Smuzhiyun #define VGA_SUB_ADDR			0x0c
15*4882a593Smuzhiyun #define VGA_DEVICE_ADDR			0x10
16*4882a593Smuzhiyun #define VGA_CLK_DIV_FS			0x14
17*4882a593Smuzhiyun #define VGA_RXF_CTRL			0x20
18*4882a593Smuzhiyun #define VGA_RX_FIFO_CLEAR		BIT(7)
19*4882a593Smuzhiyun #define VGA_DATA			0x24
20*4882a593Smuzhiyun #define VGA_I2C_STATUS			0x28
21*4882a593Smuzhiyun #define VGA_DEVICE_DISCONNECTED		BIT(7)
22*4882a593Smuzhiyun #define VGA_DEVICE_CONNECTED		BIT(6)
23*4882a593Smuzhiyun #define VGA_CLEAR_IRQ			BIT(4)
24*4882a593Smuzhiyun #define VGA_TRANS_DONE			BIT(0)
25*4882a593Smuzhiyun #define VGA_RXF_STATUS			0x30
26*4882a593Smuzhiyun #define VGA_RXF_COUNT_SHIFT		2
27*4882a593Smuzhiyun #define VGA_RXF_COUNT_MASK		GENMASK(7, 2)
28*4882a593Smuzhiyun #define VGA_AUTO_DETECT_PARA		0x34
29*4882a593Smuzhiyun #define VGA_AUTO_DETECT_SEL		0x38
30*4882a593Smuzhiyun #define VGA_DETECT_SEL_HAS_DEVICE	BIT(1)
31*4882a593Smuzhiyun #define VGA_DETECT_SEL_NO_DEVICE	BIT(0)
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif /* __ZX_VGA_REGS_H__ */
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