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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
*/
#ifndef _DPU_HW_INTERRUPTS_H
#define _DPU_HW_INTERRUPTS_H
#include <linux/types.h>
#include "dpu_hwio.h"
#include "dpu_hw_catalog.h"
#include "dpu_hw_util.h"
#include "dpu_hw_mdss.h"
/* When making changes be sure to sync with dpu_intr_set */
enum dpu_hw_intr_reg {
MDP_SSPP_TOP0_INTR,
MDP_SSPP_TOP0_INTR2,
MDP_SSPP_TOP0_HIST_INTR,
/* All MDP_INTFn_INTR should come sequentially */
MDP_INTF0_INTR,
MDP_INTF1_INTR,
MDP_INTF2_INTR,
MDP_INTF3_INTR,
MDP_INTF4_INTR,
MDP_INTF5_INTR,
MDP_INTF6_INTR,
MDP_INTF7_INTR,
MDP_INTF8_INTR,
MDP_INTF1_TEAR_INTR,
MDP_INTF2_TEAR_INTR,
MDP_AD4_0_INTR,
MDP_AD4_1_INTR,
MDP_INTR_MAX,
};
#define MDP_INTFn_INTR(intf) (MDP_INTF0_INTR + (intf - INTF_0))
#define DPU_IRQ_IDX(reg_idx, offset) (1 + reg_idx * 32 + offset)
#define DPU_IRQ_REG(irq_idx) ((irq_idx - 1) / 32)
#define DPU_IRQ_BIT(irq_idx) ((irq_idx - 1) % 32)
#define DPU_NUM_IRQS (MDP_INTR_MAX * 32)
struct dpu_hw_intr_entry {
void (*cb)(void *arg);
void *arg;
atomic_t count;
};
/**
* struct dpu_hw_intr: hw interrupts handling data structure
* @hw: virtual address mapping
* @ops: function pointer mapping for IRQ handling
* @cache_irq_mask: array of IRQ enable masks reg storage created during init
* @save_irq_status: array of IRQ status reg storage created during init
* @irq_lock: spinlock for accessing IRQ resources
* @irq_cb_tbl: array of IRQ callbacks
*/
struct dpu_hw_intr {
struct dpu_hw_blk_reg_map hw;
u32 cache_irq_mask[MDP_INTR_MAX];
u32 *save_irq_status;
spinlock_t irq_lock;
unsigned long irq_mask;
const struct dpu_intr_reg *intr_set;
struct dpu_hw_intr_entry irq_tbl[DPU_NUM_IRQS];
};
/**
* dpu_hw_intr_init(): Initializes the interrupts hw object
* @addr: mapped register io address of MDP
* @m: pointer to MDSS catalog data
*/
struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
const struct dpu_mdss_cfg *m);
/**
* dpu_hw_intr_destroy(): Cleanup interrutps hw object
* @intr: pointer to interrupts hw object
*/
void dpu_hw_intr_destroy(struct dpu_hw_intr *intr);
#endif
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