Release 4.11 drivers/soc/tegra/fuse/fuse.h

/*
 * 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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Person
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CommitProp
Thierry Reding
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100.00%
Directory: drivers/soc/tegra/fuse

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