drivers/gpu/drm/mxsfb/mxsfb_regs.h

   1 /*
   2  * Copyright (C) 2010 Juergen Beisert, Pengutronix
   3  * Copyright (C) 2016 Marek Vasut <marex@denx.de>
   4  *
   5  * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #ifndef __MXSFB_REGS_H__
  18 #define __MXSFB_REGS_H__
  19
  20 #define REG_SET 4
  21 #define REG_CLR 8
  22
  23 #define LCDC_CTRL                       0x00
  24 #define LCDC_CTRL1                      0x10
  25 #define LCDC_V3_TRANSFER_COUNT          0x20
  26 #define LCDC_V4_TRANSFER_COUNT          0x30
  27 #define LCDC_V4_CUR_BUF                 0x40
  28 #define LCDC_V4_NEXT_BUF                0x50
  29 #define LCDC_V3_CUR_BUF                 0x30
  30 #define LCDC_V3_NEXT_BUF                0x40
  31 #define LCDC_VDCTRL0                    0x70
  32 #define LCDC_VDCTRL1                    0x80
  33 #define LCDC_VDCTRL2                    0x90
  34 #define LCDC_VDCTRL3                    0xa0
  35 #define LCDC_VDCTRL4                    0xb0
  36 #define LCDC_V4_DEBUG0                  0x1d0
  37 #define LCDC_V3_DEBUG0                  0x1f0
  38
  39 #define CTRL_SFTRST                     (1 << 31)
  40 #define CTRL_CLKGATE                    (1 << 30)
  41 #define CTRL_BYPASS_COUNT               (1 << 19)
  42 #define CTRL_VSYNC_MODE                 (1 << 18)
  43 #define CTRL_DOTCLK_MODE                (1 << 17)
  44 #define CTRL_DATA_SELECT                (1 << 16)
  45 #define CTRL_SET_BUS_WIDTH(x)           (((x) & 0x3) << 10)
  46 #define CTRL_GET_BUS_WIDTH(x)           (((x) >> 10) & 0x3)
  47 #define CTRL_BUS_WIDTH_MASK             (0x3 << 10)
  48 #define CTRL_SET_WORD_LENGTH(x)         (((x) & 0x3) << 8)
  49 #define CTRL_GET_WORD_LENGTH(x)         (((x) >> 8) & 0x3)
  50 #define CTRL_MASTER                     (1 << 5)
  51 #define CTRL_DF16                       (1 << 3)
  52 #define CTRL_DF18                       (1 << 2)
  53 #define CTRL_DF24                       (1 << 1)
  54 #define CTRL_RUN                        (1 << 0)
  55
  56 #define CTRL1_FIFO_CLEAR                (1 << 21)
  57 #define CTRL1_SET_BYTE_PACKAGING(x)     (((x) & 0xf) << 16)
  58 #define CTRL1_GET_BYTE_PACKAGING(x)     (((x) >> 16) & 0xf)
  59 #define CTRL1_CUR_FRAME_DONE_IRQ_EN     (1 << 13)
  60 #define CTRL1_CUR_FRAME_DONE_IRQ        (1 << 9)
  61
  62 #define TRANSFER_COUNT_SET_VCOUNT(x)    (((x) & 0xffff) << 16)
  63 #define TRANSFER_COUNT_GET_VCOUNT(x)    (((x) >> 16) & 0xffff)
  64 #define TRANSFER_COUNT_SET_HCOUNT(x)    ((x) & 0xffff)
  65 #define TRANSFER_COUNT_GET_HCOUNT(x)    ((x) & 0xffff)
  66
  67 #define VDCTRL0_ENABLE_PRESENT          (1 << 28)
  68 #define VDCTRL0_VSYNC_ACT_HIGH          (1 << 27)
  69 #define VDCTRL0_HSYNC_ACT_HIGH          (1 << 26)
  70 #define VDCTRL0_DOTCLK_ACT_FALLING      (1 << 25)
  71 #define VDCTRL0_ENABLE_ACT_HIGH         (1 << 24)
  72 #define VDCTRL0_VSYNC_PERIOD_UNIT       (1 << 21)
  73 #define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT  (1 << 20)
  74 #define VDCTRL0_HALF_LINE               (1 << 19)
  75 #define VDCTRL0_HALF_LINE_MODE          (1 << 18)
  76 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
  77 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
  78
  79 #define VDCTRL2_SET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)
  80 #define VDCTRL2_GET_HSYNC_PERIOD(x)     ((x) & 0x3ffff)
  81
  82 #define VDCTRL3_MUX_SYNC_SIGNALS        (1 << 29)
  83 #define VDCTRL3_VSYNC_ONLY              (1 << 28)
  84 #define SET_HOR_WAIT_CNT(x)             (((x) & 0xfff) << 16)
  85 #define GET_HOR_WAIT_CNT(x)             (((x) >> 16) & 0xfff)
  86 #define SET_VERT_WAIT_CNT(x)            ((x) & 0xffff)
  87 #define GET_VERT_WAIT_CNT(x)            ((x) & 0xffff)
  88
  89 #define VDCTRL4_SET_DOTCLK_DLY(x)       (((x) & 0x7) << 29) /* v4 only */
  90 #define VDCTRL4_GET_DOTCLK_DLY(x)       (((x) >> 29) & 0x7) /* v4 only */
  91 #define VDCTRL4_SYNC_SIGNALS_ON         (1 << 18)
  92 #define SET_DOTCLK_H_VALID_DATA_CNT(x)  ((x) & 0x3ffff)
  93
  94 #define DEBUG0_HSYNC                    (1 < 26)
  95 #define DEBUG0_VSYNC                    (1 < 25)
  96
  97 #define MXSFB_MIN_XRES                  120
  98 #define MXSFB_MIN_YRES                  120
  99 #define MXSFB_MAX_XRES                  0xffff
 100 #define MXSFB_MAX_YRES                  0xffff
 101
 102 #define RED 0
 103 #define GREEN 1
 104 #define BLUE 2
 105 #define TRANSP 3
 106
 107 #define STMLCDIF_8BIT  1 /* pixel data bus to the display is of 8 bit width */
 108 #define STMLCDIF_16BIT 0 /* pixel data bus to the display is of 16 bit width */
 109 #define STMLCDIF_18BIT 2 /* pixel data bus to the display is of 18 bit width */
 110 #define STMLCDIF_24BIT 3 /* pixel data bus to the display is of 24 bit width */
 111
 112 #define MXSFB_SYNC_DATA_ENABLE_HIGH_ACT (1 << 6)
 113 #define MXSFB_SYNC_DOTCLK_FALLING_ACT   (1 << 7) /* negative edge sampling */
 114
 115 #endif /* __MXSFB_REGS_H__ */