56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Microchip MCP251xFD Family CAN controller debug tool
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*
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* Copyright (c) 2019, 2020 Pengutronix,
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* Marc Kleine-Budde <kernel@pengutronix.de>
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*/
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#ifndef _MCP251XFD_DUMP_USERSPACE_H
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#define _MCP251XFD_DUMP_USERSPACE_H
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#include "mcp251xfd.h"
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#include "mcp251xfd-dump.h"
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#define MCP251XFD_DUMP_UNKNOWN (-1U)
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struct mcp251xfd_mem {
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char buf[0x1000];
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};
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struct mcp251xfd_ring {
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enum mcp251xfd_dump_object_type type;
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const struct mcp251xfd_dump_regs_fifo *fifo;
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void *ram;
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unsigned int head;
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unsigned int tail;
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u16 base;
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u8 nr;
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u8 fifo_nr;
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u8 obj_num;
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u8 obj_size;
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};
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#define MCP251XFD_RING_TEF 0
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struct mcp251xfd_priv {
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struct regmap *map;
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struct mcp251xfd_ring ring[32];
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};
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void mcp251xfd_dump_ring_init(struct mcp251xfd_ring *ring);
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void mcp251xfd_dump(struct mcp251xfd_priv *priv);
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int mcp251xfd_dev_coredump_read(struct mcp251xfd_priv *priv,
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struct mcp251xfd_mem *mem,
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const char *file_path);
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int mcp251xfd_regmap_read(struct mcp251xfd_priv *priv,
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struct mcp251xfd_mem *mem,
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const char *file_path);
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const char *
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get_object_type_str(enum mcp251xfd_dump_object_type object_type);
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#endif
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