Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h
new file mode 100644
index 0000000000..593910567b
--- /dev/null
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.h
@@ -0,0 +1,39 @@
+/* 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_config *cfg;
+	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;
+};
+
+#ifdef CONFIG_ARM_SMMU_QCOM_DEBUG
+void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu);
+#else
+static inline void qcom_smmu_tlb_sync_debug(struct arm_smmu_device *smmu) { }
+#endif
+
+#endif /* _ARM_SMMU_QCOM_H */