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kernel/linux-imx6_3.14.28/include/linux/mxc_dcic.h 3.52 KB
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  /*
   * Copyright (C) 2014 Freescale Semiconductor, Inc. All Rights Reserved
   */
  
  /*
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   */
  
  /*!
   * @file linux/mxc_dcic.h
   *
   * @brief Global header file for the MXC DCIC driver
   *
   * @ingroup MXC DCIC
   */
  
  #ifndef __LINUX_DCIC_H__
  #define __LINUX_DCIC_H__
  
  #include <uapi/linux/mxc_dcic.h>
  
  #define DCICC_IC_ENABLE					0x1
  #define DCICC_IC_DISABLE				0x0
  #define DCICC_IC_MASK					0x1
  #define DCICC_DE_ACTIVE_HIGH			0
  #define DCICC_DE_ACTIVE_LOW				(0x1 << 4)
  #define DCICC_DE_ACTIVE_MASK			(0x1 << 4)
  #define DCICC_HSYNC_POL_ACTIVE_HIGH		0
  #define DCICC_HSYNC_POL_ACTIVE_LOW		(0x1 << 5)
  #define DCICC_HSYNC_POL_ACTIVE_MASK		(0x1 << 5)
  #define DCICC_VSYNC_POL_ACTIVE_HIGH		0
  #define DCICC_VSYNC_POL_ACTIVE_LOW		(0x1 << 6)
  #define DCICC_VSYNC_POL_ACTIVE_MASK		(0x1 << 6)
  #define DCICC_CLK_POL_NO_INVERTED		0
  #define DCICC_CLK_POL_INVERTED			(0x1 << 7)
  #define DCICC_CLK_POL_INVERTED_MASK		(0x1 << 7)
  
  #define DCICIC_ERROR_INT_DISABLE		1
  #define DCICIC_ERROR_INT_ENABLE			0
  #define DCICIC_ERROR_INT_MASK_MASK		1
  #define DCICIC_FUN_INT_DISABLE			(0x1 << 1)
  #define DCICIC_FUN_INT_ENABLE			0
  #define DCICIC_FUN_INT_MASK				(0x1 << 1)
  #define DCICIC_FREEZE_MASK_CHANGED		0
  #define DCICIC_FREEZE_MASK_FORZEN		(0x1 << 3)
  #define DCICIC_FREEZE_MASK_MASK			(0x1 << 3)
  #define DCICIC_EXT_SIG_EX_DISABLE		0
  #define DCICIC_EXT_SIG_EN_ENABLE		(0x1 << 16)
  #define DCICIC_EXT_SIG_EN_MASK			(0x1 << 16)
  
  #define DCICS_ROI_MATCH_STAT_MASK		0xFFFF
  #define DCICS_EI_STAT_PENDING			(0x1 << 16)
  #define DCICS_EI_STAT_NO_PENDING		0
  #define DCICS_FI_STAT_PENDING			(0x1 << 17)
  #define DCICS_FI_STAT_NO_PENDING		0
  
  #define DCICRC_ROI_START_OFFSET_X_MASK	0x1FFF
  #define DCICRC_ROI_START_OFFSET_X_SHIFT	0
  #define DCICRC_ROI_START_OFFSET_Y_MASK	(0xFFF << 16)
  #define DCICRC_ROI_START_OFFSET_Y_SHIFT	16
  #define DCICRC_ROI_CHANGED				0
  #define DCICRC_ROI_FROZEN				(0x1 << 30)
  #define DCICRC_ROI_ENABLE				(0x1 << 31)
  #define DCICRC_ROI_DISABLE				0
  
  #define DCICRS_ROI_END_OFFSET_X_MASK	0x1FFF
  #define DCICRS_ROI_END_OFFSET_X_SHIFT	0
  #define DCICRS_ROI_END_OFFSET_Y_MASK	(0xFFF << 16)
  #define DCICRS_ROI_END_OFFSET_Y_SHIFT	16
  
  struct roi_regs {
  	u32 dcicrc;
  	u32 dcicrs;
  	u32 dcicrrs;
  	u32 dcicrcs;
  };
  
  struct dcic_regs {
  	u32 dcicc;
  	u32 dcicic;
  	u32 dcics;
  	u32 dcic_reserved;
  	struct roi_regs ROI[16];
  };
  
  struct dcic_mux {
  	char dcic[16];
  	u32 val;
  };
  
  struct bus_mux {
  	char name[16];
  	int reg;
  	int shift;
  	int mask;
  	int dcic_mux_num;
  	const struct dcic_mux *dcics;
  };
  
  struct dcic_info {
  	int bus_mux_num;
  	const struct bus_mux *buses;
  };
  
  struct dcic_data {
  	struct regmap *regmap;
  	struct device *dev;
  	struct dcic_regs *regs;
  	const struct bus_mux *buses;
  	u32 bus_n;
  	u32 mux_n;
  	struct clk *disp_axi_clk;
  	struct clk *dcic_clk;
  	struct mutex lock;
  	struct completion roi_crc_comp;
  	struct class *class;
  	int major;
  	struct cdev cdev;	/* Char device structure */
  	dev_t devt;
  	unsigned int result;
  };
  #endif