139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2010 Google, Inc.
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* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
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*
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* Author:
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* Colin Cross <ccross@android.com>
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*/
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#ifndef __DRIVERS_MISC_TEGRA_FUSE_H
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#define __DRIVERS_MISC_TEGRA_FUSE_H
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#include <linux/dmaengine.h>
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#include <linux/types.h>
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struct nvmem_cell_lookup;
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struct nvmem_device;
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struct tegra_fuse;
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struct tegra_fuse_info {
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u32 (*read)(struct tegra_fuse *fuse, unsigned int offset);
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unsigned int size;
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unsigned int spare;
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};
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struct tegra_fuse_soc {
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void (*init)(struct tegra_fuse *fuse);
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void (*speedo_init)(struct tegra_sku_info *info);
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int (*probe)(struct tegra_fuse *fuse);
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const struct tegra_fuse_info *info;
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const struct nvmem_cell_lookup *lookups;
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unsigned int num_lookups;
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const struct nvmem_cell_info *cells;
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unsigned int num_cells;
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const struct nvmem_keepout *keepouts;
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unsigned int num_keepouts;
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const struct attribute_group *soc_attr_group;
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bool clk_suspend_on;
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};
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struct tegra_fuse {
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struct device *dev;
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void __iomem *base;
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phys_addr_t phys;
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struct clk *clk;
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struct reset_control *rst;
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u32 (*read_early)(struct tegra_fuse *fuse, unsigned int offset);
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u32 (*read)(struct tegra_fuse *fuse, unsigned int offset);
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const struct tegra_fuse_soc *soc;
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/* APBDMA on Tegra20 */
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struct {
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struct mutex lock;
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struct completion wait;
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struct dma_chan *chan;
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struct dma_slave_config config;
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dma_addr_t phys;
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u32 *virt;
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} apbdma;
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struct nvmem_device *nvmem;
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struct nvmem_cell_lookup *lookups;
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};
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void tegra_init_revision(void);
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void tegra_init_apbmisc(void);
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u32 __init tegra_fuse_read_spare(unsigned int spare);
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u32 __init tegra_fuse_read_early(unsigned int offset);
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u8 tegra_get_major_rev(void);
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u8 tegra_get_minor_rev(void);
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extern const struct attribute_group tegra_soc_attr_group;
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#ifdef CONFIG_ARCH_TEGRA_2x_SOC
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void tegra20_init_speedo_data(struct tegra_sku_info *sku_info);
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#endif
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#ifdef CONFIG_ARCH_TEGRA_3x_SOC
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void tegra30_init_speedo_data(struct tegra_sku_info *sku_info);
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#endif
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#ifdef CONFIG_ARCH_TEGRA_114_SOC
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void tegra114_init_speedo_data(struct tegra_sku_info *sku_info);
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#endif
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#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
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void tegra124_init_speedo_data(struct tegra_sku_info *sku_info);
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#endif
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#ifdef CONFIG_ARCH_TEGRA_210_SOC
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void tegra210_init_speedo_data(struct tegra_sku_info *sku_info);
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#endif
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#ifdef CONFIG_ARCH_TEGRA_2x_SOC
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extern const struct tegra_fuse_soc tegra20_fuse_soc;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_3x_SOC
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extern const struct tegra_fuse_soc tegra30_fuse_soc;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_114_SOC
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extern const struct tegra_fuse_soc tegra114_fuse_soc;
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#endif
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#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
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extern const struct tegra_fuse_soc tegra124_fuse_soc;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_210_SOC
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extern const struct tegra_fuse_soc tegra210_fuse_soc;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_186_SOC
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extern const struct tegra_fuse_soc tegra186_fuse_soc;
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#endif
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#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
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IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
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extern const struct attribute_group tegra194_soc_attr_group;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_194_SOC
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extern const struct tegra_fuse_soc tegra194_fuse_soc;
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#endif
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#ifdef CONFIG_ARCH_TEGRA_234_SOC
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extern const struct tegra_fuse_soc tegra234_fuse_soc;
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#endif
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#endif
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