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/*
* 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_V4_CTRL2 0x20
#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_TIMING 0x60
#define LCDC_VDCTRL0 0x70
#define LCDC_VDCTRL1 0x80
#define LCDC_VDCTRL2 0x90
#define LCDC_VDCTRL3 0xa0
#define LCDC_VDCTRL4 0xb0
#define LCDC_DVICTRL0 0xc0
#define LCDC_DVICTRL1 0xd0
#define LCDC_DVICTRL2 0xe0
#define LCDC_DVICTRL3 0xf0
#define LCDC_DVICTRL4 0x100
#define LCDC_V4_DATA 0x180
#define LCDC_V3_DATA 0x1b0
#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
/* reg bit manipulation */
#define REG_MASK(e, s) (((1 << ((e) - (s) + 1)) - 1) << (s))
#define REG_PUT(x, e, s) (((x) << (s)) & REG_MASK(e, s))
#define REG_GET(x, e, s) (((x) & REG_MASK(e, s)) >> (s))
#define SWIZZLE_LE 0 /* Little-Endian or No swap */
#define SWIZZLE_BE 1 /* Big-Endian or swap all */
#define SWIZZLE_HWD 2 /* Swap half-words */
#define SWIZZLE_HWD_BYTE 3 /* Swap bytes within each half-word */
#define CTRL_SFTRST BIT(31)
#define CTRL_CLKGATE BIT(30)
#define CTRL_SHIFT_DIR(x) REG_PUT((x), 26, 26)
#define CTRL_SHIFT_NUM(x) REG_PUT((x), 25, 21)
#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_INPUT_SWIZZLE(x) REG_PUT((x), 15, 14)
#define CTRL_CSC_SWIZZLE(x) REG_PUT((x), 13, 12)
#define CTRL_SET_BUS_WIDTH(x) REG_PUT((x), 11, 10)
#define CTRL_GET_BUS_WIDTH(x) REG_GET((x), 11, 10)
#define CTRL_BUS_WIDTH_MASK REG_PUT((0x3), 11, 10)
#define CTRL_SET_WORD_LENGTH(x) REG_PUT((x), 9, 8)
#define CTRL_GET_WORD_LENGTH(x) REG_GET((x), 9, 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_RECOVERY_ON_UNDERFLOW BIT(24)
#define CTRL1_FIFO_CLEAR BIT(21)
#define CTRL1_SET_BYTE_PACKAGING(x) REG_PUT((x), 19, 16)
#define CTRL1_GET_BYTE_PACKAGING(x) REG_GET((x), 19, 16)
#define CTRL1_CUR_FRAME_DONE_IRQ_EN BIT(13)
#define CTRL1_CUR_FRAME_DONE_IRQ BIT(9)
#define REQ_1 0
#define REQ_2 1
#define REQ_4 2
#define REQ_8 3
#define REQ_16 4
#define CTRL2_OUTSTANDING_REQS(x) REG_PUT((x), 23, 21)
#define CTRL2_ODD_LINE_PATTERN(x) REG_PUT((x), 18, 16)
#define CTRL2_EVEN_LINE_PATTERN(x) REG_PUT((x), 14, 12)
#define CTRL2_LCD_RESET BIT(0)
#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 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 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)
#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 BIT(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 BIT(6)
#define MXSFB_SYNC_DOTCLK_FALLING_ACT BIT(7) /* negative edge sampling */
#define MXSFB_FLAG_NULL BIT(0)
#define MXSFB_FLAG_BUSFREQ BIT(1)
#endif /* __MXSFB_REGS_H__ */
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