include/video/atmel_lcdc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Header file for AT91/AT32 LCD Controller
   4  *
   5  *  Data structure and register user interface
   6  *
   7  *  Copyright (C) 2007 Atmel Corporation
   8  */
   9 #ifndef __ATMEL_LCDC_H__
  10 #define __ATMEL_LCDC_H__
  11
  12 #include <linux/workqueue.h>
  13
  14 /* Way LCD wires are connected to the chip:
  15  * Some Atmel chips use BGR color mode (instead of standard RGB)
  16  * A swapped wiring onboard can bring to RGB mode.
  17  */
  18 #define ATMEL_LCDC_WIRING_BGR   0
  19 #define ATMEL_LCDC_WIRING_RGB   1
  20
  21
  22  /* LCD Controller info data structure, stored in device platform_data */
  23 struct atmel_lcdfb_pdata {
  24         unsigned int            guard_time;
  25         bool                    lcdcon_is_backlight;
  26         bool                    lcdcon_pol_negative;
  27         u8                      default_bpp;
  28         u8                      lcd_wiring_mode;
  29         unsigned int            default_lcdcon2;
  30         unsigned int            default_dmacon;
  31         void (*atmel_lcdfb_power_control)(struct atmel_lcdfb_pdata *pdata, int on);
  32         struct fb_monspecs      *default_monspecs;
  33
  34         struct list_head        pwr_gpios;
  35 };
  36
  37 #define ATMEL_LCDC_DMABADDR1    0x00
  38 #define ATMEL_LCDC_DMABADDR2    0x04
  39 #define ATMEL_LCDC_DMAFRMPT1    0x08
  40 #define ATMEL_LCDC_DMAFRMPT2    0x0c
  41 #define ATMEL_LCDC_DMAFRMADD1   0x10
  42 #define ATMEL_LCDC_DMAFRMADD2   0x14
  43
  44 #define ATMEL_LCDC_DMAFRMCFG    0x18
  45 #define ATMEL_LCDC_FRSIZE       (0x7fffff <<  0)
  46 #define ATMEL_LCDC_BLENGTH_OFFSET       24
  47 #define ATMEL_LCDC_BLENGTH      (0x7f     << ATMEL_LCDC_BLENGTH_OFFSET)
  48
  49 #define ATMEL_LCDC_DMACON       0x1c
  50 #define ATMEL_LCDC_DMAEN        (0x1 << 0)
  51 #define ATMEL_LCDC_DMARST       (0x1 << 1)
  52 #define ATMEL_LCDC_DMABUSY      (0x1 << 2)
  53 #define         ATMEL_LCDC_DMAUPDT      (0x1 << 3)
  54 #define         ATMEL_LCDC_DMA2DEN      (0x1 << 4)
  55
  56 #define ATMEL_LCDC_DMA2DCFG     0x20
  57 #define         ATMEL_LCDC_ADDRINC_OFFSET       0
  58 #define         ATMEL_LCDC_ADDRINC              (0xffff)
  59 #define         ATMEL_LCDC_PIXELOFF_OFFSET      24
  60 #define         ATMEL_LCDC_PIXELOFF             (0x1f << 24)
  61
  62 #define ATMEL_LCDC_LCDCON1      0x0800
  63 #define ATMEL_LCDC_BYPASS       (1     <<  0)
  64 #define ATMEL_LCDC_CLKVAL_OFFSET        12
  65 #define ATMEL_LCDC_CLKVAL       (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)
  66 #define ATMEL_LCDC_LINCNT       (0x7ff << 21)
  67
  68 #define ATMEL_LCDC_LCDCON2      0x0804
  69 #define ATMEL_LCDC_DISTYPE      (3 << 0)
  70 #define         ATMEL_LCDC_DISTYPE_STNMONO      (0 << 0)
  71 #define         ATMEL_LCDC_DISTYPE_STNCOLOR     (1 << 0)
  72 #define         ATMEL_LCDC_DISTYPE_TFT          (2 << 0)
  73 #define ATMEL_LCDC_SCANMOD      (1 << 2)
  74 #define         ATMEL_LCDC_SCANMOD_SINGLE       (0 << 2)
  75 #define         ATMEL_LCDC_SCANMOD_DUAL         (1 << 2)
  76 #define ATMEL_LCDC_IFWIDTH      (3 << 3)
  77 #define         ATMEL_LCDC_IFWIDTH_4            (0 << 3)
  78 #define         ATMEL_LCDC_IFWIDTH_8            (1 << 3)
  79 #define         ATMEL_LCDC_IFWIDTH_16           (2 << 3)
  80 #define ATMEL_LCDC_PIXELSIZE    (7 << 5)
  81 #define         ATMEL_LCDC_PIXELSIZE_1          (0 << 5)
  82 #define         ATMEL_LCDC_PIXELSIZE_2          (1 << 5)
  83 #define         ATMEL_LCDC_PIXELSIZE_4          (2 << 5)
  84 #define         ATMEL_LCDC_PIXELSIZE_8          (3 << 5)
  85 #define         ATMEL_LCDC_PIXELSIZE_16         (4 << 5)
  86 #define         ATMEL_LCDC_PIXELSIZE_24         (5 << 5)
  87 #define         ATMEL_LCDC_PIXELSIZE_32         (6 << 5)
  88 #define ATMEL_LCDC_INVVD        (1 << 8)
  89 #define         ATMEL_LCDC_INVVD_NORMAL         (0 << 8)
  90 #define         ATMEL_LCDC_INVVD_INVERTED       (1 << 8)
  91 #define ATMEL_LCDC_INVFRAME     (1 << 9 )
  92 #define         ATMEL_LCDC_INVFRAME_NORMAL      (0 << 9)
  93 #define         ATMEL_LCDC_INVFRAME_INVERTED    (1 << 9)
  94 #define ATMEL_LCDC_INVLINE      (1 << 10)
  95 #define         ATMEL_LCDC_INVLINE_NORMAL       (0 << 10)
  96 #define         ATMEL_LCDC_INVLINE_INVERTED     (1 << 10)
  97 #define ATMEL_LCDC_INVCLK       (1 << 11)
  98 #define         ATMEL_LCDC_INVCLK_NORMAL        (0 << 11)
  99 #define         ATMEL_LCDC_INVCLK_INVERTED      (1 << 11)
 100 #define ATMEL_LCDC_INVDVAL      (1 << 12)
 101 #define         ATMEL_LCDC_INVDVAL_NORMAL       (0 << 12)
 102 #define         ATMEL_LCDC_INVDVAL_INVERTED     (1 << 12)
 103 #define ATMEL_LCDC_CLKMOD       (1 << 15)
 104 #define         ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
 105 #define         ATMEL_LCDC_CLKMOD_ALWAYSACTIVE  (1 << 15)
 106 #define ATMEL_LCDC_MEMOR        (1 << 31)
 107 #define         ATMEL_LCDC_MEMOR_BIG            (0 << 31)
 108 #define         ATMEL_LCDC_MEMOR_LITTLE         (1 << 31)
 109
 110 #define ATMEL_LCDC_TIM1         0x0808
 111 #define ATMEL_LCDC_VFP          (0xffU <<  0)
 112 #define ATMEL_LCDC_VBP_OFFSET           8
 113 #define ATMEL_LCDC_VBP          (0xffU <<  ATMEL_LCDC_VBP_OFFSET)
 114 #define ATMEL_LCDC_VPW_OFFSET           16
 115 #define ATMEL_LCDC_VPW          (0x3fU << ATMEL_LCDC_VPW_OFFSET)
 116 #define ATMEL_LCDC_VHDLY_OFFSET         24
 117 #define ATMEL_LCDC_VHDLY        (0xfU  << ATMEL_LCDC_VHDLY_OFFSET)
 118
 119 #define ATMEL_LCDC_TIM2         0x080c
 120 #define ATMEL_LCDC_HBP          (0xffU  <<  0)
 121 #define ATMEL_LCDC_HPW_OFFSET           8
 122 #define ATMEL_LCDC_HPW          (0x3fU  <<  ATMEL_LCDC_HPW_OFFSET)
 123 #define ATMEL_LCDC_HFP_OFFSET           21
 124 #define ATMEL_LCDC_HFP          (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
 125
 126 #define ATMEL_LCDC_LCDFRMCFG    0x0810
 127 #define ATMEL_LCDC_LINEVAL      (0x7ff <<  0)
 128 #define ATMEL_LCDC_HOZVAL_OFFSET        21
 129 #define ATMEL_LCDC_HOZVAL       (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
 130
 131 #define ATMEL_LCDC_FIFO         0x0814
 132 #define ATMEL_LCDC_FIFOTH       (0xffff)
 133
 134 #define ATMEL_LCDC_MVAL         0x0818
 135
 136 #define ATMEL_LCDC_DP1_2        0x081c
 137 #define ATMEL_LCDC_DP4_7        0x0820
 138 #define ATMEL_LCDC_DP3_5        0x0824
 139 #define ATMEL_LCDC_DP2_3        0x0828
 140 #define ATMEL_LCDC_DP5_7        0x082c
 141 #define ATMEL_LCDC_DP3_4        0x0830
 142 #define ATMEL_LCDC_DP4_5        0x0834
 143 #define ATMEL_LCDC_DP6_7        0x0838
 144 #define ATMEL_LCDC_DP1_2_VAL    (0xff)
 145 #define ATMEL_LCDC_DP4_7_VAL    (0xfffffff)
 146 #define ATMEL_LCDC_DP3_5_VAL    (0xfffff)
 147 #define ATMEL_LCDC_DP2_3_VAL    (0xfff)
 148 #define ATMEL_LCDC_DP5_7_VAL    (0xfffffff)
 149 #define ATMEL_LCDC_DP3_4_VAL    (0xffff)
 150 #define ATMEL_LCDC_DP4_5_VAL    (0xfffff)
 151 #define ATMEL_LCDC_DP6_7_VAL    (0xfffffff)
 152
 153 #define ATMEL_LCDC_PWRCON       0x083c
 154 #define ATMEL_LCDC_PWR          (1    <<  0)
 155 #define ATMEL_LCDC_GUARDT_OFFSET        1
 156 #define ATMEL_LCDC_GUARDT       (0x7f <<  ATMEL_LCDC_GUARDT_OFFSET)
 157 #define ATMEL_LCDC_BUSY         (1    << 31)
 158
 159 #define ATMEL_LCDC_CONTRAST_CTR 0x0840
 160 #define ATMEL_LCDC_PS           (3 << 0)
 161 #define         ATMEL_LCDC_PS_DIV1              (0 << 0)
 162 #define         ATMEL_LCDC_PS_DIV2              (1 << 0)
 163 #define         ATMEL_LCDC_PS_DIV4              (2 << 0)
 164 #define         ATMEL_LCDC_PS_DIV8              (3 << 0)
 165 #define ATMEL_LCDC_POL          (1 << 2)
 166 #define         ATMEL_LCDC_POL_NEGATIVE         (0 << 2)
 167 #define         ATMEL_LCDC_POL_POSITIVE         (1 << 2)
 168 #define ATMEL_LCDC_ENA          (1 << 3)
 169 #define         ATMEL_LCDC_ENA_PWMDISABLE       (0 << 3)
 170 #define         ATMEL_LCDC_ENA_PWMENABLE        (1 << 3)
 171
 172 #define ATMEL_LCDC_CONTRAST_VAL 0x0844
 173 #define ATMEL_LCDC_CVAL (0xff)
 174
 175 #define ATMEL_LCDC_IER          0x0848
 176 #define ATMEL_LCDC_IDR          0x084c
 177 #define ATMEL_LCDC_IMR          0x0850
 178 #define ATMEL_LCDC_ISR          0x0854
 179 #define ATMEL_LCDC_ICR          0x0858
 180 #define ATMEL_LCDC_LNI          (1 << 0)
 181 #define ATMEL_LCDC_LSTLNI       (1 << 1)
 182 #define ATMEL_LCDC_EOFI         (1 << 2)
 183 #define ATMEL_LCDC_UFLWI        (1 << 4)
 184 #define ATMEL_LCDC_OWRI         (1 << 5)
 185 #define ATMEL_LCDC_MERI         (1 << 6)
 186
 187 #define ATMEL_LCDC_LUT(n)       (0x0c00 + ((n)*4))
 188
 189 #endif /* __ATMEL_LCDC_H__ */