/*
   * JZ4780 NAND/external memory controller (NEMC)
   *
   * Copyright (c) 2015 Imagination Technologies
   * Author: Alex Smith <alex@alex-smith.me.uk>
   *
   * 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.
   */
  
  #ifndef __LINUX_JZ4780_NEMC_H__
  #define __LINUX_JZ4780_NEMC_H__
  
  #include <linux/types.h>
  
  struct device;
  
  /*
   * Number of NEMC banks. Note that there are actually 6, but they are numbered
   * from 1.
   */
  #define JZ4780_NEMC_NUM_BANKS	7
  
  /**
   * enum jz4780_nemc_bank_type - device types which can be connected to a bank
   * @JZ4780_NEMC_BANK_SRAM: SRAM
   * @JZ4780_NEMC_BANK_NAND: NAND
   */
  enum jz4780_nemc_bank_type {
  	JZ4780_NEMC_BANK_SRAM,
  	JZ4780_NEMC_BANK_NAND,
  };
  
  extern unsigned int jz4780_nemc_num_banks(struct device *dev);
  
  extern void jz4780_nemc_set_type(struct device *dev, unsigned int bank,
  				 enum jz4780_nemc_bank_type type);
  extern void jz4780_nemc_assert(struct device *dev, unsigned int bank,
  			       bool assert);
  
  #endif /* __LINUX_JZ4780_NEMC_H__ */