root/drivers/gpu/drm/mxsfb/mxsfb_regs.h
/* 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.
 */

#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_CTRL2                   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_CRC_STAT                0x1a0
#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                     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_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_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     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          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                    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

#endif /* __MXSFB_REGS_H__ */