drivers/gpu/drm/mxsfb/mxsfb_regs.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2010 Juergen Beisert, Pengutronix
   4  * Copyright (C) 2016 Marek Vasut <marex@denx.de>
   5  *
   6  * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
   7  */
   8
   9 #ifndef __MXSFB_REGS_H__
  10 #define __MXSFB_REGS_H__
  11
  12 #define REG_SET 4
  13 #define REG_CLR 8
  14
  15 #define LCDC_CTRL                       0x00
  16 #define LCDC_CTRL1                      0x10
  17 #define LCDC_V3_TRANSFER_COUNT          0x20
  18 #define LCDC_V4_TRANSFER_COUNT          0x30
  19 #define LCDC_V4_CUR_BUF                 0x40
  20 #define LCDC_V4_NEXT_BUF                0x50
  21 #define LCDC_V3_CUR_BUF                 0x30
  22 #define LCDC_V3_NEXT_BUF                0x40
  23 #define LCDC_VDCTRL0                    0x70
  24 #define LCDC_VDCTRL1                    0x80
  25 #define LCDC_VDCTRL2                    0x90
  26 #define LCDC_VDCTRL3                    0xa0
  27 #define LCDC_VDCTRL4                    0xb0
  28 #define LCDC_V4_DEBUG0                  0x1d0
  29 #define LCDC_V3_DEBUG0                  0x1f0
  30
  31 #define CTRL_SFTRST                     BIT(31)
  32 #define CTRL_CLKGATE                    BIT(30)
  33 #define CTRL_BYPASS_COUNT               BIT(19)
  34 #define CTRL_VSYNC_MODE                 BIT(18)
  35 #define CTRL_DOTCLK_MODE                BIT(17)
  36 #define CTRL_DATA_SELECT                BIT(16)
  37 #define CTRL_BUS_WIDTH_16               (0 << 10)
  38 #define CTRL_BUS_WIDTH_8                (1 << 10)
  39 #define CTRL_BUS_WIDTH_18               (2 << 10)
  40 #define CTRL_BUS_WIDTH_24               (3 << 10)
  41 #define CTRL_BUS_WIDTH_MASK             (0x3 << 10)
  42 #define CTRL_WORD_LENGTH_16             (0 << 8)
  43 #define CTRL_WORD_LENGTH_8              (1 << 8)
  44 #define CTRL_WORD_LENGTH_18             (2 << 8)
  45 #define CTRL_WORD_LENGTH_24             (3 << 8)
  46 #define CTRL_MASTER                     BIT(5)
  47 #define CTRL_DF16                       BIT(3)
  48 #define CTRL_DF18                       BIT(2)
  49 #define CTRL_DF24                       BIT(1)
  50 #define CTRL_RUN                        BIT(0)
  51
  52 #define CTRL1_FIFO_CLEAR                BIT(21)
  53 #define CTRL1_SET_BYTE_PACKAGING(x)     (((x) & 0xf) << 16)
  54 #define CTRL1_GET_BYTE_PACKAGING(x)     (((x) >> 16) & 0xf)
  55 #define CTRL1_CUR_FRAME_DONE_IRQ_EN     BIT(13)
  56 #define CTRL1_CUR_FRAME_DONE_IRQ        BIT(9)
  57
  58 #define TRANSFER_COUNT_SET_VCOUNT(x)    (((x) & 0xffff) << 16)
  59 #define TRANSFER_COUNT_GET_VCOUNT(x)    (((x) >> 16) & 0xffff)
  60 #define TRANSFER_COUNT_SET_HCOUNT(x)    ((x) & 0xffff)
  61 #define TRANSFER_COUNT_GET_HCOUNT(x)    ((x) & 0xffff)
  62
  63 #define VDCTRL0_ENABLE_PRESENT          BIT(28)
  64 #define VDCTRL0_VSYNC_ACT_HIGH          BIT(27)
  65 #define VDCTRL0_HSYNC_ACT_HIGH          BIT(26)
  66 #define VDCTRL0_DOTCLK_ACT_FALLING      BIT(25)
  67 #define VDCTRL0_ENABLE_ACT_HIGH         BIT(24)
  68 #define VDCTRL0_VSYNC_PERIOD_UNIT       BIT(21)
  69 #define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT  BIT(20)
  70 #define VDCTRL0_HALF_LINE               BIT(19)
  71 #define VDCTRL0_HALF_LINE_MODE          BIT(18)
  72 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
  73 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
  74
  75 #define VDCTRL2_SET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)
  76 #define VDCTRL2_GET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)
  77
  78 #define VDCTRL3_MUX_SYNC_SIGNALS        BIT(29)
  79 #define VDCTRL3_VSYNC_ONLY              BIT(28)
  80 #define SET_HOR_WAIT_CNT(x)             (((x) & 0xfff) << 16)
  81 #define GET_HOR_WAIT_CNT(x)             (((x) >> 16) & 0xfff)
  82 #define SET_VERT_WAIT_CNT(x)            ((x) & 0xffff)
  83 #define GET_VERT_WAIT_CNT(x)            ((x) & 0xffff)
  84
  85 #define VDCTRL4_SET_DOTCLK_DLY(x)       (((x) & 0x7) << 29) /* v4 only */
  86 #define VDCTRL4_GET_DOTCLK_DLY(x)       (((x) >> 29) & 0x7) /* v4 only */
  87 #define VDCTRL4_SYNC_SIGNALS_ON         BIT(18)
  88 #define SET_DOTCLK_H_VALID_DATA_CNT(x)  ((x) & 0x3ffff)
  89
  90 #define DEBUG0_HSYNC                    BIT(26)
  91 #define DEBUG0_VSYNC                    BIT(25)
  92
  93 #define MXSFB_MIN_XRES                  120
  94 #define MXSFB_MIN_YRES                  120
  95 #define MXSFB_MAX_XRES                  0xffff
  96 #define MXSFB_MAX_YRES                  0xffff
  97
  98 #endif /* __MXSFB_REGS_H__ */