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kernel add
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/*
* Copyright (C) 2010 Google, Inc.
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* Author:
* Colin Cross <ccross@android.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __DRIVERS_MISC_TEGRA_FUSE_H
#define __DRIVERS_MISC_TEGRA_FUSE_H
#include <linux/dmaengine.h>
#include <linux/types.h>
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;
};
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;
};
void tegra_init_revision(void);
void tegra_init_apbmisc(void);
bool __init tegra_fuse_read_spare(unsigned int spare);
u32 __init tegra_fuse_read_early(unsigned int offset);
#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
#endif
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