plat/mediatek/mt8192/include/plat_mt_cirq.h

/*
 * Copyright (c) 2020, MediaTek Inc. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef PLAT_MT_CIRQ_H
#define PLAT_MT_CIRQ_H

#define SYS_CIRQ_BASE        U(0x10204000)
#define CIRQ_IRQ_NUM         U(439)
#define CIRQ_SPI_START       U(96)
/*
 * Define hardware register
 */
#define  CIRQ_STA_BASE         U(0x000)
#define  CIRQ_ACK_BASE         U(0x080)
#define  CIRQ_MASK_BASE        U(0x100)
#define  CIRQ_MASK_SET_BASE    U(0x180)
#define  CIRQ_MASK_CLR_BASE    U(0x200)
#define  CIRQ_SENS_BASE        U(0x280)
#define  CIRQ_SENS_SET_BASE    U(0x300)
#define  CIRQ_SENS_CLR_BASE    U(0x380)
#define  CIRQ_POL_BASE         U(0x400)
#define  CIRQ_POL_SET_BASE     U(0x480)
#define  CIRQ_POL_CLR_BASE     U(0x500)
#define  CIRQ_CON              U(0x600)

/*
 * Register placement
 */
#define  CIRQ_CON_EN_BITS           U(0)
#define  CIRQ_CON_EDGE_ONLY_BITS    U(1)
#define  CIRQ_CON_FLUSH_BITS        U(2)
#define  CIRQ_CON_EVENT_BITS        U(31)
#define  CIRQ_CON_SW_RST_BITS       U(20)
#define  CIRQ_CON_BITS_MASK         U(0x7)

/*
 * Register setting
 */
#define  CIRQ_CON_EN            U(0x1)
#define  CIRQ_CON_EDGE_ONLY     U(0x1)
#define  CIRQ_SW_RESET          U(0x1)
#define  CIRQ_CON_FLUSH         U(0x1)

/*
 * Define constant
 */
#define  CIRQ_CTRL_REG_NUM      ((CIRQ_IRQ_NUM + 31U) / 32U)
#define  MT_CIRQ_POL_NEG               U(0)
#define  MT_CIRQ_POL_POS               U(1)
#define  MT_CIRQ_EDGE_SENSITIVE        U(0)
#define  MT_CIRQ_LEVEL_SENSITIVE       U(1)

/*
 * Define macro
 */
#define  IRQ_TO_CIRQ_NUM(irq)       ((irq) - (CIRQ_SPI_START))
#define  CIRQ_TO_IRQ_NUM(cirq)      ((cirq) + (CIRQ_SPI_START))

/*
 * Define cirq events
 */
struct cirq_events {
	uint32_t spi_start;
	uint32_t num_of_events;
	uint32_t *wakeup_events;
};

/*
 * Define function prototypes.
 */
void mt_cirq_enable(void);
void mt_cirq_disable(void);
void mt_cirq_clone_gic(void);
void mt_cirq_flush(void);
void mt_cirq_sw_reset(void);
void set_wakeup_sources(uint32_t *list, uint32_t num_of_events);
void mt_cirq_dump_reg(void);

#endif  /* PLAT_MT_CIRQ_H */