power.h

/*
 * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
 *
 *  embedded brains GmbH
 *  Dornierstr. 4
 *  82178 Puchheim
 *  Germany
 *  <rtems@embedded-brains.de>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#ifndef LIBBSP_ARM_ATSAM_POWER_H
#define LIBBSP_ARM_ATSAM_POWER_H

#include <sys/types.h>

#include <stdint.h>

#ifdef __cplusplus
extern "C"{
#endif /* __cplusplus */

typedef enum {
  ATSAM_POWER_INIT,
  ATSAM_POWER_ON,
  ATSAM_POWER_OFF
} atsam_power_state;

typedef struct atsam_power_control {
  void (*handler)(
      const struct atsam_power_control *control,
      atsam_power_state state
  );
  union {
    void *arg;
    struct {
      uint8_t first;
      uint8_t last;
    } peripherals;
  } data;
} atsam_power_control;

void atsam_power_change_state(
  const atsam_power_control *controls,
  size_t n,
  atsam_power_state state
);

void atsam_power_handler_peripheral(
  const atsam_power_control *controls,
  atsam_power_state state
);

void atsam_power_handler_clock_driver(
  const atsam_power_control *controls,
  atsam_power_state state
);

void atsam_power_handler_rtc_driver(
  const atsam_power_control *controls,
  atsam_power_state state
);

void atsam_power_handler_sleep_mode(
  const atsam_power_control *controls,
  atsam_power_state state
);

#define ATSAM_POWER_PERIPHERAL(f, l) \
 { \
   .handler = atsam_power_handler_peripheral, \
   .data = { .peripherals = { .first = f, .last = l } } \
 }

#define ATSAM_POWER_HANDLER(h, a) \
 { \
   .handler = h, \
   .data = { .arg = a } \
 }

#define ATSAM_POWER_CLOCK_DRIVER \
 { .handler = atsam_power_handler_clock_driver }

#define ATSAM_POWER_SLEEP_MODE \
 { .handler = atsam_power_handler_sleep_mode }

typedef struct {
  uint8_t interval;
} atsam_power_data_rtc_driver;

#define ATSAM_POWER_RTC_DRIVER(a) \
 { \
    .handler = atsam_power_handler_rtc_driver, \
    .data = { .arg = a } \
 }

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* LIBBSP_ARM_ATSAM_POWER_H */