drivers/gpu/drm/zte/zx_vga_regs.h

   1 /*
   2  * Copyright (C) 2017 Sanechips Technology Co., Ltd.
   3  * Copyright 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #ifndef __ZX_VGA_REGS_H__
  11 #define __ZX_VGA_REGS_H__
  12
  13 #define VGA_CMD_CFG                     0x04
  14 #define VGA_CMD_TRANS                   BIT(6)
  15 #define VGA_CMD_COMBO                   BIT(5)
  16 #define VGA_CMD_RW                      BIT(4)
  17 #define VGA_SUB_ADDR                    0x0c
  18 #define VGA_DEVICE_ADDR                 0x10
  19 #define VGA_CLK_DIV_FS                  0x14
  20 #define VGA_RXF_CTRL                    0x20
  21 #define VGA_RX_FIFO_CLEAR               BIT(7)
  22 #define VGA_DATA                        0x24
  23 #define VGA_I2C_STATUS                  0x28
  24 #define VGA_DEVICE_DISCONNECTED         BIT(7)
  25 #define VGA_DEVICE_CONNECTED            BIT(6)
  26 #define VGA_CLEAR_IRQ                   BIT(4)
  27 #define VGA_TRANS_DONE                  BIT(0)
  28 #define VGA_RXF_STATUS                  0x30
  29 #define VGA_RXF_COUNT_SHIFT             2
  30 #define VGA_RXF_COUNT_MASK              GENMASK(7, 2)
  31 #define VGA_AUTO_DETECT_PARA            0x34
  32 #define VGA_AUTO_DETECT_SEL             0x38
  33 #define VGA_DETECT_SEL_HAS_DEVICE       BIT(1)
  34 #define VGA_DETECT_SEL_NO_DEVICE        BIT(0)
  35
  36 #endif /* __ZX_VGA_REGS_H__ */