/*
   * Copyright (C) 2013 Samsung Electronics Co., Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * 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, see <http://www.gnu.org/licenses/>.
   */
  #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H
  #define __CLOCKSOURCE_SAMSUNG_PWM_H
  
  #include <linux/spinlock.h>
  
  #define SAMSUNG_PWM_NUM		5
  
  /*
   * Following declaration must be in an ifdef due to this symbol being static
   * in pwm-samsung driver if the clocksource driver is not compiled in and the
   * spinlock is not shared between both drivers.
   */
  #ifdef CONFIG_CLKSRC_SAMSUNG_PWM
  extern spinlock_t samsung_pwm_lock;
  #endif
  
  struct samsung_pwm_variant {
  	u8 bits;
  	u8 div_base;
  	u8 tclk_mask;
  	u8 output_mask;
  	bool has_tint_cstat;
  };
  
  void samsung_pwm_clocksource_init(void __iomem *base,
  		unsigned int *irqs, struct samsung_pwm_variant *variant);
  
  #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */