81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DPU_HW_INTERRUPTS_H
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#define _DPU_HW_INTERRUPTS_H
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#include <linux/types.h>
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#include "dpu_hwio.h"
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#include "dpu_hw_catalog.h"
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#include "dpu_hw_util.h"
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#include "dpu_hw_mdss.h"
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/* When making changes be sure to sync with dpu_intr_set */
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enum dpu_hw_intr_reg {
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MDP_SSPP_TOP0_INTR,
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MDP_SSPP_TOP0_INTR2,
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MDP_SSPP_TOP0_HIST_INTR,
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MDP_INTF0_INTR,
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MDP_INTF1_INTR,
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MDP_INTF2_INTR,
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MDP_INTF3_INTR,
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MDP_INTF4_INTR,
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MDP_INTF5_INTR,
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MDP_AD4_0_INTR,
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MDP_AD4_1_INTR,
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MDP_INTF0_7xxx_INTR,
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MDP_INTF1_7xxx_INTR,
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MDP_INTF2_7xxx_INTR,
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MDP_INTF3_7xxx_INTR,
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MDP_INTF4_7xxx_INTR,
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MDP_INTF5_7xxx_INTR,
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MDP_INTF6_7xxx_INTR,
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MDP_INTF7_7xxx_INTR,
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MDP_INTF8_7xxx_INTR,
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MDP_INTR_MAX,
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};
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#define DPU_IRQ_IDX(reg_idx, offset) (reg_idx * 32 + offset)
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/**
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* struct dpu_hw_intr: hw interrupts handling data structure
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* @hw: virtual address mapping
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* @ops: function pointer mapping for IRQ handling
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* @cache_irq_mask: array of IRQ enable masks reg storage created during init
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* @save_irq_status: array of IRQ status reg storage created during init
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* @total_irqs: total number of irq_idx mapped in the hw_interrupts
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* @irq_lock: spinlock for accessing IRQ resources
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* @irq_cb_tbl: array of IRQ callbacks
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*/
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struct dpu_hw_intr {
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struct dpu_hw_blk_reg_map hw;
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u32 cache_irq_mask[MDP_INTR_MAX];
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u32 *save_irq_status;
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u32 total_irqs;
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spinlock_t irq_lock;
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unsigned long irq_mask;
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struct {
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void (*cb)(void *arg, int irq_idx);
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void *arg;
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atomic_t count;
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} irq_tbl[];
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};
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/**
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* dpu_hw_intr_init(): Initializes the interrupts hw object
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* @addr: mapped register io address of MDP
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* @m : pointer to mdss catalog data
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*/
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struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
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const struct dpu_mdss_cfg *m);
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/**
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* dpu_hw_intr_destroy(): Cleanup interrutps hw object
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* @intr: pointer to interrupts hw object
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*/
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void dpu_hw_intr_destroy(struct dpu_hw_intr *intr);
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#endif
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