include/linux/mfd/atmel-hlcdc.h

   1 /*
   2  * Copyright (C) 2014 Free Electrons
   3  * Copyright (C) 2014 Atmel
   4  *
   5  * Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef __LINUX_MFD_HLCDC_H
  21 #define __LINUX_MFD_HLCDC_H
  22
  23 #include <linux/clk.h>
  24 #include <linux/regmap.h>
  25
  26 #define ATMEL_HLCDC_CFG(i)              ((i) * 0x4)
  27 #define ATMEL_HLCDC_SIG_CFG             LCDCFG(5)
  28 #define ATMEL_HLCDC_HSPOL               BIT(0)
  29 #define ATMEL_HLCDC_VSPOL               BIT(1)
  30 #define ATMEL_HLCDC_VSPDLYS             BIT(2)
  31 #define ATMEL_HLCDC_VSPDLYE             BIT(3)
  32 #define ATMEL_HLCDC_DISPPOL             BIT(4)
  33 #define ATMEL_HLCDC_DITHER              BIT(6)
  34 #define ATMEL_HLCDC_DISPDLY             BIT(7)
  35 #define ATMEL_HLCDC_MODE_MASK           GENMASK(9, 8)
  36 #define ATMEL_HLCDC_PP                  BIT(10)
  37 #define ATMEL_HLCDC_VSPSU               BIT(12)
  38 #define ATMEL_HLCDC_VSPHO               BIT(13)
  39 #define ATMEL_HLCDC_GUARDTIME_MASK      GENMASK(20, 16)
  40
  41 #define ATMEL_HLCDC_EN                  0x20
  42 #define ATMEL_HLCDC_DIS                 0x24
  43 #define ATMEL_HLCDC_SR                  0x28
  44 #define ATMEL_HLCDC_IER                 0x2c
  45 #define ATMEL_HLCDC_IDR                 0x30
  46 #define ATMEL_HLCDC_IMR                 0x34
  47 #define ATMEL_HLCDC_ISR                 0x38
  48
  49 #define ATMEL_HLCDC_CLKPOL              BIT(0)
  50 #define ATMEL_HLCDC_CLKSEL              BIT(2)
  51 #define ATMEL_HLCDC_CLKPWMSEL           BIT(3)
  52 #define ATMEL_HLCDC_CGDIS(i)            BIT(8 + (i))
  53 #define ATMEL_HLCDC_CLKDIV_SHFT         16
  54 #define ATMEL_HLCDC_CLKDIV_MASK         GENMASK(23, 16)
  55 #define ATMEL_HLCDC_CLKDIV(div)         ((div - 2) << ATMEL_HLCDC_CLKDIV_SHFT)
  56
  57 #define ATMEL_HLCDC_PIXEL_CLK           BIT(0)
  58 #define ATMEL_HLCDC_SYNC                BIT(1)
  59 #define ATMEL_HLCDC_DISP                BIT(2)
  60 #define ATMEL_HLCDC_PWM                 BIT(3)
  61 #define ATMEL_HLCDC_SIP                 BIT(4)
  62
  63 #define ATMEL_HLCDC_SOF                 BIT(0)
  64 #define ATMEL_HLCDC_SYNCDIS             BIT(1)
  65 #define ATMEL_HLCDC_FIFOERR             BIT(4)
  66 #define ATMEL_HLCDC_LAYER_STATUS(x)     BIT((x) + 8)
  67
  68 /**
  69  * Structure shared by the MFD device and its subdevices.
  70  *
  71  * @regmap: register map used to access HLCDC IP registers
  72  * @periph_clk: the hlcdc peripheral clock
  73  * @sys_clk: the hlcdc system clock
  74  * @slow_clk: the system slow clk
  75  * @irq: the hlcdc irq
  76  */
  77 struct atmel_hlcdc {
  78         struct regmap *regmap;
  79         struct clk *periph_clk;
  80         struct clk *sys_clk;
  81         struct clk *slow_clk;
  82         int irq;
  83 };
  84
  85 #endif /* __LINUX_MFD_HLCDC_H */