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 struct tegra_mc_timing {
29 /* latency allowance */
37 struct tegra_mc_client {
42 unsigned int fifo_size;
44 struct tegra_smmu_enable smmu;
45 struct tegra_mc_la la;
48 struct tegra_smmu_swgroup {
54 struct tegra_smmu_ops {
55 void (*flush_dcache)(struct page *page, unsigned long offset,
59 struct tegra_smmu_soc {
60 const struct tegra_mc_client *clients;
61 unsigned int num_clients;
63 const struct tegra_smmu_swgroup *swgroups;
64 unsigned int num_swgroups;
66 bool supports_round_robin_arbitration;
67 bool supports_request_limit;
69 unsigned int num_asids;
71 const struct tegra_smmu_ops *ops;
77 #ifdef CONFIG_TEGRA_IOMMU_SMMU
78 struct tegra_smmu *tegra_smmu_probe(struct device *dev,
79 const struct tegra_smmu_soc *soc,
81 void tegra_smmu_remove(struct tegra_smmu *smmu);
83 static inline struct tegra_smmu *
84 tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
90 static inline void tegra_smmu_remove(struct tegra_smmu *smmu)
96 const struct tegra_mc_client *clients;
97 unsigned int num_clients;
99 const unsigned long *emem_regs;
100 unsigned int num_emem_regs;
102 unsigned int num_address_bits;
103 unsigned int atom_size;
105 const struct tegra_smmu_soc *smmu;
110 struct tegra_smmu *smmu;
115 const struct tegra_mc_soc *soc;
118 struct tegra_mc_timing *timings;
119 unsigned int num_timings;
122 void tegra_mc_write_emem_configuration(struct tegra_mc *mc, unsigned long rate);
123 unsigned int tegra_mc_get_emem_device_count(struct tegra_mc *mc);
125 #endif /* __SOC_TEGRA_MC_H__ */