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