Quelle  arm-smmu-qcom.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef _ARM_SMMU_QCOM_H
#define _ARM_SMMU_QCOM_H

struct qcom_smmu {
 struct arm_smmu_device smmu;
 const struct qcom_smmu_match_data *data;
 bool bypass_quirk;
 u8 bypass_cbndx;
 u32 stall_enabled;
};

enum qcom_smmu_impl_reg_offset {
 QCOM_SMMU_TBU_PWR_STATUS,
 QCOM_SMMU_STATS_SYNC_INV_TBU_ACK,
 QCOM_SMMU_MMU2QSS_AND_SAFE_WAIT_CNTR,
};

struct qcom_smmu_config {
 const u32 *reg_offset;
};

struct qcom_smmu_match_data {
 const struct qcom_smmu_config *cfg;
 const struct arm_smmu_impl *impl;
 const struct arm_smmu_impl *adreno_impl;
 const struct of_device_id * const client_match;
};

irqreturn_t qcom_smmu_context_fault(int irq, void *dev);

#ifdef CONFIG_ARM_SMMU_QCOM_DEBUG
void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu);
int qcom_tbu_probe(struct platform_device *pdev);
#else
static inline void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu) { }
static inline int qcom_tbu_probe(struct platform_device *pdev) { return -EINVAL; }
#endif

#endif /* _ARM_SMMU_QCOM_H */