1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
5 #ifndef _DPU_HW_INTERRUPTS_H
6 #define _DPU_HW_INTERRUPTS_H
8 #include <linux/types.h>
11 #include "dpu_hw_catalog.h"
12 #include "dpu_hw_util.h"
13 #include "dpu_hw_mdss.h"
15 /* When making changes be sure to sync with dpu_intr_set */
16 enum dpu_hw_intr_reg {
19 MDP_SSPP_TOP0_HIST_INTR,
32 MDP_INTF1_7xxx_TEAR_INTR,
34 MDP_INTF2_7xxx_TEAR_INTR,
44 #define DPU_IRQ_IDX(reg_idx, offset) (reg_idx * 32 + offset)
47 * struct dpu_hw_intr: hw interrupts handling data structure
48 * @hw: virtual address mapping
49 * @ops: function pointer mapping for IRQ handling
50 * @cache_irq_mask: array of IRQ enable masks reg storage created during init
51 * @save_irq_status: array of IRQ status reg storage created during init
52 * @total_irqs: total number of irq_idx mapped in the hw_interrupts
53 * @irq_lock: spinlock for accessing IRQ resources
54 * @irq_cb_tbl: array of IRQ callbacks
57 struct dpu_hw_blk_reg_map hw;
58 u32 cache_irq_mask[MDP_INTR_MAX];
62 unsigned long irq_mask;
65 void (*cb)(void *arg, int irq_idx);
72 * dpu_hw_intr_init(): Initializes the interrupts hw object
73 * @addr: mapped register io address of MDP
74 * @m: pointer to MDSS catalog data
76 struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
77 const struct dpu_mdss_cfg *m);
80 * dpu_hw_intr_destroy(): Cleanup interrutps hw object
81 * @intr: pointer to interrupts hw object
83 void dpu_hw_intr_destroy(struct dpu_hw_intr *intr);