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e660df07ab
Subsequent patches will add debugfs files that print the status of the SWGROUPs. Add a new names field and complement the SoC tables with the names of the individual SWGROUPs. Signed-off-by: Thierry Reding <treding@nvidia.com>
109 lines
2.0 KiB
C
109 lines
2.0 KiB
C
/*
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* Copyright (C) 2014 NVIDIA Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __SOC_TEGRA_MC_H__
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#define __SOC_TEGRA_MC_H__
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#include <linux/types.h>
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struct clk;
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struct device;
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struct page;
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struct tegra_smmu_enable {
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unsigned int reg;
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unsigned int bit;
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};
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/* latency allowance */
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struct tegra_mc_la {
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unsigned int reg;
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unsigned int shift;
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unsigned int mask;
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unsigned int def;
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};
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struct tegra_mc_client {
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unsigned int id;
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const char *name;
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unsigned int swgroup;
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unsigned int fifo_size;
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struct tegra_smmu_enable smmu;
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struct tegra_mc_la la;
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};
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struct tegra_smmu_swgroup {
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const char *name;
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unsigned int swgroup;
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unsigned int reg;
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};
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struct tegra_smmu_ops {
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void (*flush_dcache)(struct page *page, unsigned long offset,
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size_t size);
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};
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struct tegra_smmu_soc {
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const struct tegra_mc_client *clients;
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unsigned int num_clients;
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const struct tegra_smmu_swgroup *swgroups;
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unsigned int num_swgroups;
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bool supports_round_robin_arbitration;
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bool supports_request_limit;
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unsigned int num_asids;
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const struct tegra_smmu_ops *ops;
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};
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struct tegra_mc;
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struct tegra_smmu;
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#ifdef CONFIG_TEGRA_IOMMU_SMMU
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struct tegra_smmu *tegra_smmu_probe(struct device *dev,
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const struct tegra_smmu_soc *soc,
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struct tegra_mc *mc);
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#else
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static inline struct tegra_smmu *
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tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
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struct tegra_mc *mc)
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{
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return NULL;
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}
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#endif
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struct tegra_mc_soc {
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const struct tegra_mc_client *clients;
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unsigned int num_clients;
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const unsigned int *emem_regs;
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unsigned int num_emem_regs;
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unsigned int num_address_bits;
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unsigned int atom_size;
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const struct tegra_smmu_soc *smmu;
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};
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struct tegra_mc {
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struct device *dev;
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struct tegra_smmu *smmu;
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void __iomem *regs;
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struct clk *clk;
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int irq;
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const struct tegra_mc_soc *soc;
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unsigned long tick;
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};
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#endif /* __SOC_TEGRA_MC_H__ */
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