intc_vim.h

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/* Copyright (C) 2023 BeagleBoard.org Foundation
 * Copyright (C) 2023 S Prashanth
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_DRIVERS_INTC_VIM_H_
#define ZEPHYR_DRIVERS_INTC_VIM_H_
 
#include <stdint.h>
 
#include <zephyr/devicetree.h>
#include <zephyr/dt-bindings/interrupt-controller/ti-vim.h>
#include <zephyr/sys/util_macro.h>
 
#define VIM_BASE_ADDR             DT_REG_ADDR(DT_INST(0, ti_vim))
 
#define VIM_MAX_IRQ_PER_GROUP     (32)
#define VIM_MAX_GROUP_NUM         ((uint32_t)(CONFIG_NUM_IRQS / VIM_MAX_IRQ_PER_GROUP))
 
#define VIM_GET_IRQ_GROUP_NUM(n)  ((uint32_t)((n) / VIM_MAX_IRQ_PER_GROUP))
#define VIM_GET_IRQ_BIT_NUM(n)    ((uint32_t)((n) % VIM_MAX_IRQ_PER_GROUP))
 
#define VIM_PRI_INT_MAX           (15)
 
#define VIM_PID             (VIM_BASE_ADDR + 0x0000)
#define VIM_INFO            (VIM_BASE_ADDR + 0x0004)
#define VIM_PRIIRQ          (VIM_BASE_ADDR + 0x0008)
#define VIM_PRIFIQ          (VIM_BASE_ADDR + 0x000C)
#define VIM_IRQGSTS         (VIM_BASE_ADDR + 0x0010)
#define VIM_FIQGSTS         (VIM_BASE_ADDR + 0x0014)
#define VIM_IRQVEC          (VIM_BASE_ADDR + 0x0018)
#define VIM_FIQVEC          (VIM_BASE_ADDR + 0x001C)
#define VIM_ACTIRQ          (VIM_BASE_ADDR + 0x0020)
#define VIM_ACTFIQ          (VIM_BASE_ADDR + 0x0024)
#define VIM_DEDVEC          (VIM_BASE_ADDR + 0x0030)
 
#define VIM_RAW(n)          (VIM_BASE_ADDR + (0x400) + ((n) * 0x20))
#define VIM_STS(n)          (VIM_BASE_ADDR + (0x404) + ((n) * 0x20))
#define VIM_INTR_EN_SET(n)  (VIM_BASE_ADDR + (0x408) + ((n) * 0x20))
#define VIM_INTR_EN_CLR(n)  (VIM_BASE_ADDR + (0x40c) + ((n) * 0x20))
#define VIM_IRQSTS(n)       (VIM_BASE_ADDR + (0x410) + ((n) * 0x20))
#define VIM_FIQSTS(n)       (VIM_BASE_ADDR + (0x414) + ((n) * 0x20))
#define VIM_INTMAP(n)       (VIM_BASE_ADDR + (0x418) + ((n) * 0x20))
#define VIM_INTTYPE(n)      (VIM_BASE_ADDR + (0x41c) + ((n) * 0x20))
#define VIM_PRI_INT(n)      (VIM_BASE_ADDR + (0x1000) + ((n) * 0x4))
#define VIM_VEC_INT(n)      (VIM_BASE_ADDR + (0x2000) + ((n) * 0x4))
 
/* RAW */
#define VIM_GRP_RAW_STS_MASK                 (BIT64_MASK(32))
 
/* STS */
#define VIM_GRP_STS_MSK_MASK                 (BIT64_MASK(32))
 
/* INTR_EN_SET */
#define VIM_GRP_INTR_EN_SET_MSK_MASK         (BIT64_MASK(32))
 
/* INTR_EN_CLR */
#define VIM_GRP_INTR_EN_CLR_MSK_MASK         (BIT64_MASK(32))
 
/* IRQSTS */
#define VIM_GRP_IRQSTS_MSK_MASK              (BIT64_MASK(32))
 
/* FIQSTS */
#define VIM_GRP_FIQSTS_MSK_MASK              (BIT64_MASK(32))
 
/* INTMAP */
#define VIM_GRP_INTMAP_MSK_MASK              (BIT64_MASK(32))
 
/* INTTYPE */
#define VIM_GRP_INTTYPE_MSK_MASK             (BIT64_MASK(32))
 
/* INT */
#define VIM_PRI_INT_VAL_MASK                 (BIT_MASK(4))
 
/* INT */
#define VIM_VEC_INT_VAL_MASK                 (0xFFFFFFFCU)
 
/* INFO */
#define VIM_INFO_INTERRUPTS_MASK             (BIT_MASK(11))
 
/* PRIIRQ */
#define VIM_PRIIRQ_VALID_MASK                (0x80000000U)
#define VIM_PRIIRQ_VALID_VAL_TRUE            (0x1U)
#define VIM_PRIIRQ_VALID_VAL_FALSE           (0x0U)
#define VIM_PRIIRQ_PRI_MASK                  (0x000F0000U)
#define VIM_PRIIRQ_NUM_MASK                  (BIT_MASK(10))
 
/* PRIFIQ */
#define VIM_PRIFIQ_VALID_MASK                (0x80000000U)
#define VIM_PRIFIQ_VALID_VAL_TRUE            (0x1U)
#define VIM_PRIFIQ_VALID_VAL_FALSE           (0x0U)
#define VIM_PRIFIQ_PRI_MASK                  (0x000F0000U)
#define VIM_PRIFIQ_NUM_MASK                  (BIT_MASK(10))
 
/* IRQGSTS */
#define VIM_IRQGSTS_STS_MASK                 (BIT64_MASK(32))
 
/* FIQGSTS */
#define VIM_FIQGSTS_STS_MASK                 (BIT64_MASK(32))
 
/* IRQVEC */
#define VIM_IRQVEC_ADDR_MASK                 (0xFFFFFFFCU)
 
/* FIQVEC */
#define VIM_FIQVEC_ADDR_MASK                 (0xFFFFFFFCU)
 
/* ACTIRQ */
#define VIM_ACTIRQ_VALID_MASK                (0x80000000U)
#define VIM_ACTIRQ_VALID_VAL_TRUE            (0x1U)
#define VIM_ACTIRQ_VALID_VAL_FALSE           (0x0U)
#define VIM_ACTIRQ_PRI_MASK                  (0x000F0000U)
#define VIM_ACTIRQ_NUM_MASK                  (BIT_MASK(10))
 
/* ACTFIQ */
#define VIM_ACTFIQ_VALID_MASK                (0x80000000U)
#define VIM_ACTFIQ_VALID_VAL_TRUE            (0x1U)
#define VIM_ACTFIQ_VALID_VAL_FALSE           (0x0U)
#define VIM_ACTFIQ_PRI_MASK                  (0x000F0000U)
#define VIM_ACTFIQ_NUM_MASK                  (BIT_MASK(10))
 
/* DEDVEC */
#define VIM_DEDVEC_ADDR_MASK                 (0xFFFFFFFCU)
 
/*
 * VIM Driver Interface Functions
 */

unsigned int z_vim_irq_get_active(void);

void z_vim_irq_eoi(unsigned int irq);

void z_vim_irq_init(void);

void z_vim_irq_priority_set(unsigned int irq, unsigned int prio, uint32_t flags);

void z_vim_irq_enable(unsigned int irq);

void z_vim_irq_disable(unsigned int irq);

int z_vim_irq_is_enabled(unsigned int irq);

void z_vim_arm_enter_irq(int irq);
 
#endif /* ZEPHYR_DRIVERS_INTC_VIM_H_ */