1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
new file mode 100644
index 000000000000..142358a105c5
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
@@ -0,0 +1,75 @@
+/* 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];
+};
+
+struct dpu_hw_intr *dpu_hw_intr_init(struct drm_device *dev,
+				     void __iomem *addr,
+				     const struct dpu_mdss_cfg *m);
+
+#endif