summaryrefslogtreecommitdiffstats
path: root/drivers/soc/tegra/fuse/fuse.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/soc/tegra/fuse/fuse.h')
-rw-r--r--drivers/soc/tegra/fuse/fuse.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h
new file mode 100644
index 000000000..2bb1f9d6a
--- /dev/null
+++ b/drivers/soc/tegra/fuse/fuse.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2010 Google, Inc.
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Author:
+ * Colin Cross <ccross@android.com>
+ */
+
+#ifndef __DRIVERS_MISC_TEGRA_FUSE_H
+#define __DRIVERS_MISC_TEGRA_FUSE_H
+
+#include <linux/dmaengine.h>
+#include <linux/types.h>
+
+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;
+
+ bool clk_suspend_on;
+};
+
+struct tegra_fuse {
+ struct device *dev;
+ void __iomem *base;
+ phys_addr_t phys;
+ struct clk *clk;
+ struct reset_control *rst;
+
+ 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