/* Altera TSE SGDMA and MSGDMA Linux driver
   * Copyright (C) 2014 Altera Corporation. All rights reserved
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
   */
  
  #include "altera_tse.h"
  #include "altera_utils.h"
  
  void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
  {
  	u32 value = csrrd32(ioaddr, offs);
  	value |= bit_mask;
  	csrwr32(value, ioaddr, offs);
  }
  
  void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
  {
  	u32 value = csrrd32(ioaddr, offs);
  	value &= ~bit_mask;
  	csrwr32(value, ioaddr, offs);
  }
  
  int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
  {
  	u32 value = csrrd32(ioaddr, offs);
  	return (value & bit_mask) ? 1 : 0;
  }
  
  int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
  {
  	u32 value = csrrd32(ioaddr, offs);
  	return (value & bit_mask) ? 0 : 1;
  }