2 * Copyright (C) 2014 NVIDIA Corporation
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #ifndef __SOC_TEGRA_MC_H__
10 #define __SOC_TEGRA_MC_H__
12 #include <linux/types.h>
18 struct tegra_smmu_enable {
23 /* latency allowance */
31 struct tegra_mc_client {
36 unsigned int fifo_size;
38 struct tegra_smmu_enable smmu;
39 struct tegra_mc_la la;
42 struct tegra_smmu_swgroup {
47 struct tegra_smmu_ops {
48 void (*flush_dcache)(struct page *page, unsigned long offset,
52 struct tegra_smmu_soc {
53 const struct tegra_mc_client *clients;
54 unsigned int num_clients;
56 const struct tegra_smmu_swgroup *swgroups;
57 unsigned int num_swgroups;
59 bool supports_round_robin_arbitration;
60 bool supports_request_limit;
62 unsigned int num_asids;
64 const struct tegra_smmu_ops *ops;
70 #ifdef CONFIG_TEGRA_IOMMU_SMMU
71 struct tegra_smmu *tegra_smmu_probe(struct device *dev,
72 const struct tegra_smmu_soc *soc,
75 static inline struct tegra_smmu *
76 tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
84 const struct tegra_mc_client *clients;
85 unsigned int num_clients;
87 const unsigned int *emem_regs;
88 unsigned int num_emem_regs;
90 unsigned int num_address_bits;
91 unsigned int atom_size;
93 const struct tegra_smmu_soc *smmu;
98 struct tegra_smmu *smmu;
103 const struct tegra_mc_soc *soc;
107 #endif /* __SOC_TEGRA_MC_H__ */