1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved. 4 */ 5 6 #ifndef _ARM_SMMU_QCOM_H 7 #define _ARM_SMMU_QCOM_H 8 9 struct qcom_smmu { 10 struct arm_smmu_device smmu; 11 const struct qcom_smmu_config *cfg; 12 bool bypass_quirk; 13 u8 bypass_cbndx; 14 u32 stall_enabled; 15 }; 16 17 enum qcom_smmu_impl_reg_offset { 18 QCOM_SMMU_TBU_PWR_STATUS, 19 QCOM_SMMU_STATS_SYNC_INV_TBU_ACK, 20 QCOM_SMMU_MMU2QSS_AND_SAFE_WAIT_CNTR, 21 }; 22 23 struct qcom_smmu_config { 24 const u32 *reg_offset; 25 }; 26 27 struct qcom_smmu_match_data { 28 const struct qcom_smmu_config *cfg; 29 const struct arm_smmu_impl *impl; 30 const struct arm_smmu_impl *adreno_impl; 31 }; 32 33 irqreturn_t qcom_smmu_context_fault(int irq, void *dev); 34 35 #ifdef CONFIG_ARM_SMMU_QCOM_DEBUG 36 void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu); 37 int qcom_tbu_probe(struct platform_device *pdev); 38 #else 39 static inline void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu) { } 40 static inline int qcom_tbu_probe(struct platform_device *pdev) { return -EINVAL; } 41 #endif 42 43 #endif /* _ARM_SMMU_QCOM_H */ 44