include/soc/imx8/sc/svc/irq/api.h

/*
 * Copyright (C) 2016 Freescale Semiconductor, Inc.
 * Copyright 2017-2019 NXP
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

/*!
 * Header file containing the public API for the System Controller (SC)
 * Interrupt (IRQ) function.
 *
 * @addtogroup IRQ_SVC (SVC) Interrupt Service
 *
 * Module for the Interrupt (IRQ) service.
 *
 * @{
 */

#ifndef SC_IRQ_API_H
#define SC_IRQ_API_H

/* Includes */

#include <soc/imx8/sc/types.h>

/* Defines */

#define SC_IRQ_NUM_GROUP        7U   /* Number of groups */

/*!
 * @name Defines for sc_irq_group_t
 */
/*@{*/
#define SC_IRQ_GROUP_TEMP       0U   /* Temp interrupts */
#define SC_IRQ_GROUP_WDOG       1U   /* Watchdog interrupts */
#define SC_IRQ_GROUP_RTC        2U   /* RTC interrupts */
#define SC_IRQ_GROUP_WAKE       3U   /* Wakeup interrupts */
#define SC_IRQ_GROUP_SYSCTR     4U   /* System counter interrupts */
#define SC_IRQ_GROUP_REBOOTED   5U   /* Partition reboot complete */
#define SC_IRQ_GROUP_REBOOT     6U   /* Partition reboot starting */
/*@}*/

/*!
 * @name Defines for sc_irq_temp_t
 */
/*@{*/
#define SC_IRQ_TEMP_HIGH         (1UL << 0U)    /* Temp alarm interrupt */
#define SC_IRQ_TEMP_CPU0_HIGH    (1UL << 1U)    /* CPU0 temp alarm interrupt */
#define SC_IRQ_TEMP_CPU1_HIGH    (1UL << 2U)    /* CPU1 temp alarm interrupt */
#define SC_IRQ_TEMP_GPU0_HIGH    (1UL << 3U)    /* GPU0 temp alarm interrupt */
#define SC_IRQ_TEMP_GPU1_HIGH    (1UL << 4U)    /* GPU1 temp alarm interrupt */
#define SC_IRQ_TEMP_DRC0_HIGH    (1UL << 5U)    /* DRC0 temp alarm interrupt */
#define SC_IRQ_TEMP_DRC1_HIGH    (1UL << 6U)    /* DRC1 temp alarm interrupt */
#define SC_IRQ_TEMP_VPU_HIGH     (1UL << 7U)    /* DRC1 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC0_HIGH   (1UL << 8U)    /* PMIC0 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC1_HIGH   (1UL << 9U)    /* PMIC1 temp alarm interrupt */
#define SC_IRQ_TEMP_LOW          (1UL << 10U)   /* Temp alarm interrupt */
#define SC_IRQ_TEMP_CPU0_LOW     (1UL << 11U)   /* CPU0 temp alarm interrupt */
#define SC_IRQ_TEMP_CPU1_LOW     (1UL << 12U)   /* CPU1 temp alarm interrupt */
#define SC_IRQ_TEMP_GPU0_LOW     (1UL << 13U)   /* GPU0 temp alarm interrupt */
#define SC_IRQ_TEMP_GPU1_LOW     (1UL << 14U)   /* GPU1 temp alarm interrupt */
#define SC_IRQ_TEMP_DRC0_LOW     (1UL << 15U)   /* DRC0 temp alarm interrupt */
#define SC_IRQ_TEMP_DRC1_LOW     (1UL << 16U)   /* DRC1 temp alarm interrupt */
#define SC_IRQ_TEMP_VPU_LOW      (1UL << 17U)   /* DRC1 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC0_LOW    (1UL << 18U)   /* PMIC0 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC1_LOW    (1UL << 19U)   /* PMIC1 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC2_HIGH   (1UL << 20U)   /* PMIC2 temp alarm interrupt */
#define SC_IRQ_TEMP_PMIC2_LOW    (1UL << 21U)   /* PMIC2 temp alarm interrupt */
/*@}*/

/*!
 * @name Defines for sc_irq_wdog_t
 */
/*@{*/
#define SC_IRQ_WDOG              (1U << 0U)    /* Watchdog interrupt */
/*@}*/

/*!
 * @name Defines for sc_irq_rtc_t
 */
/*@{*/
#define SC_IRQ_RTC               (1U << 0U)    /* RTC interrupt */
/*@}*/

/*!
 * @name Defines for sc_irq_wake_t
 */
/*@{*/
#define SC_IRQ_BUTTON            (1U << 0U)    /* Button interrupt */
#define SC_IRQ_PAD               (1U << 1U)    /* Pad wakeup */
#define SC_IRQ_USR1              (1U << 2U)    /* User defined 1 */
#define SC_IRQ_USR2              (1U << 3U)    /* User defined 2 */
#define SC_IRQ_BC_PAD            (1U << 4U)    /* Pad wakeup (broadcast to all partitions) */
/*@}*/

/*!
 * @name Defines for sc_irq_sysctr_t
 */
/*@{*/
#define SC_IRQ_SYSCTR            (1U << 0U)    /* SYSCTR interrupt */
/*@}*/

/* Types */

/*!
 * This type is used to declare an interrupt group.
 */
typedef uint8_t sc_irq_group_t;

/*!
 * This type is used to declare a bit mask of temp interrupts.
 */
typedef uint8_t sc_irq_temp_t;

/*!
 * This type is used to declare a bit mask of watchdog interrupts.
 */
typedef uint8_t sc_irq_wdog_t;

/*!
 * This type is used to declare a bit mask of RTC interrupts.
 */
typedef uint8_t sc_irq_rtc_t;

/*!
 * This type is used to declare a bit mask of wakeup interrupts.
 */
typedef uint8_t sc_irq_wake_t;

/* Functions */

/*!
 * This function enables/disables interrupts. If pending interrupts
 * are unmasked, an interrupt will be triggered.
 *
 * @param[in]     ipc         IPC handle
 * @param[in]     resource    MU channel
 * @param[in]     group       group the interrupts are in
 * @param[in]     mask        mask of interrupts to affect
 * @param[in]     enable      state to change interrupts to
 *
 * @return Returns an error code (SC_ERR_NONE = success).
 *
 * Return errors:
 * - SC_PARM if group invalid
 */
sc_err_t sc_irq_enable(sc_ipc_t ipc, sc_rsrc_t resource,
	sc_irq_group_t group, uint32_t mask, sc_bool_t enable);

/*!
 * This function returns the current interrupt status (regardless if
 * masked). Automatically clears pending interrupts.
 *
 * @param[in]     ipc         IPC handle
 * @param[in]     resource    MU channel
 * @param[in]     group       groups the interrupts are in
 * @param[in]     status      status of interrupts
 *
 * @return Returns an error code (SC_ERR_NONE = success).
 *
 * Return errors:
 * - SC_PARM if group invalid
 *
 * The returned \a status may show interrupts pending that are
 * currently masked.
 */
sc_err_t sc_irq_status(sc_ipc_t ipc, sc_rsrc_t resource,
	sc_irq_group_t group, uint32_t *status);

#endif /* SC_IRQ_API_H */

/**@}*/