text: /*
   * 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__
  #define __MXSFB_REGS_H__
  
  #define REG_SET	4
  #define REG_CLR	8
  
  #define LCDC_CTRL			0x00
  #define LCDC_CTRL1			0x10
  #define LCDC_V3_TRANSFER_COUNT		0x20
  #define LCDC_V4_TRANSFER_COUNT		0x30
  #define LCDC_V4_CUR_BUF			0x40
  #define LCDC_V4_NEXT_BUF		0x50
  #define LCDC_V3_CUR_BUF			0x30
  #define LCDC_V3_NEXT_BUF		0x40
  #define LCDC_VDCTRL0			0x70
  #define LCDC_VDCTRL1			0x80
  #define LCDC_VDCTRL2			0x90
  #define LCDC_VDCTRL3			0xa0
  #define LCDC_VDCTRL4			0xb0
  #define LCDC_V4_DEBUG0			0x1d0
  #define LCDC_V3_DEBUG0			0x1f0
  
  #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_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 CTRL1_FIFO_CLEAR		(1 << 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 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_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 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)
  #define GET_VERT_WAIT_CNT(x)		((x) & 0xffff)
  
  #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 SET_DOTCLK_H_VALID_DATA_CNT(x)	((x) & 0x3ffff)
  
  #define DEBUG0_HSYNC			(1 < 26)
  #define DEBUG0_VSYNC			(1 < 25)
  
  #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__ */
  