drivers/net/can/spi/mcp251xfd/mcp251xfd-dump.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * mcp251xfd - Microchip MCP251xFD Family CAN controller driver
   4  *
   5  * Copyright (c) 2019, 2020, 2021 Pengutronix,
   6  *               Marc Kleine-Budde <kernel@pengutronix.de>
   7  */
   8
   9 #ifndef _MCP251XFD_DUMP_H
  10 #define _MCP251XFD_DUMP_H
  11
  12 #define MCP251XFD_DUMP_MAGIC 0x1825434d
  13
  14 enum mcp251xfd_dump_object_type {
  15         MCP251XFD_DUMP_OBJECT_TYPE_REG,
  16         MCP251XFD_DUMP_OBJECT_TYPE_TEF,
  17         MCP251XFD_DUMP_OBJECT_TYPE_RX,
  18         MCP251XFD_DUMP_OBJECT_TYPE_TX,
  19         MCP251XFD_DUMP_OBJECT_TYPE_END = -1,
  20 };
  21
  22 enum mcp251xfd_dump_object_ring_key {
  23         MCP251XFD_DUMP_OBJECT_RING_KEY_HEAD,
  24         MCP251XFD_DUMP_OBJECT_RING_KEY_TAIL,
  25         MCP251XFD_DUMP_OBJECT_RING_KEY_BASE,
  26         MCP251XFD_DUMP_OBJECT_RING_KEY_NR,
  27         MCP251XFD_DUMP_OBJECT_RING_KEY_FIFO_NR,
  28         MCP251XFD_DUMP_OBJECT_RING_KEY_OBJ_NUM,
  29         MCP251XFD_DUMP_OBJECT_RING_KEY_OBJ_SIZE,
  30         __MCP251XFD_DUMP_OBJECT_RING_KEY_MAX,
  31 };
  32
  33 struct mcp251xfd_dump_object_header {
  34         __le32 magic;
  35         __le32 type;
  36         __le32 offset;
  37         __le32 len;
  38 };
  39
  40 struct mcp251xfd_dump_object_reg {
  41         __le32 reg;
  42         __le32 val;
  43 };
  44
  45 #endif