linux/drivers/net/can/spi/mcp251xfd/mcp251xfd-tef.c

// SPDX-License-Identifier: GPL-2.0
//
// mcp251xfd - Microchip MCP251xFD Family CAN controller driver
//
// Copyright (c) 2019, 2020, 2021, 2023 Pengutronix,
//               Marc Kleine-Budde <[email protected]>
//
// Based on:
//
// CAN bus driver for Microchip 25XXFD CAN Controller with SPI Interface
//
// Copyright (c) 2019 Martin Sperl <[email protected]>
//

#include <linux/bitfield.h>

#include "mcp251xfd.h"

static inline bool mcp251xfd_tx_fifo_sta_full(u32 fifo_sta)
{ … }

static inline int
mcp251xfd_tef_tail_get_from_chip(const struct mcp251xfd_priv *priv,
				 u8 *tef_tail)
{ … }

static int mcp251xfd_check_tef_tail(const struct mcp251xfd_priv *priv)
{ … }

static int
mcp251xfd_handle_tefif_one(struct mcp251xfd_priv *priv,
			   const struct mcp251xfd_hw_tef_obj *hw_tef_obj,
			   unsigned int *frame_len_ptr)
{ … }

static int
mcp251xfd_get_tef_len(struct mcp251xfd_priv *priv, u8 *len_p)
{ … }

static inline int
mcp251xfd_tef_obj_read(const struct mcp251xfd_priv *priv,
		       struct mcp251xfd_hw_tef_obj *hw_tef_obj,
		       const u8 offset, const u8 len)
{ … }

static inline void mcp251xfd_ecc_tefif_successful(struct mcp251xfd_priv *priv)
{ … }

int mcp251xfd_handle_tefif(struct mcp251xfd_priv *priv)
{ … }