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/* SPDX-License-Identifier: GPL-2.0
*
* tcan4x5x - Texas Instruments TCAN4x5x Family CAN controller driver
*
* Copyright (c) 2020 Pengutronix,
* Marc Kleine-Budde <kernel@pengutronix.de>
*/
#ifndef _TCAN4X5X_H
#define _TCAN4X5X_H
#include <linux/gpio/consumer.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include "m_can.h"
#define TCAN4X5X_SANITIZE_SPI 1
struct __packed tcan4x5x_buf_cmd {
u8 cmd;
__be16 addr;
u8 len;
};
struct tcan4x5x_map_buf {
struct tcan4x5x_buf_cmd cmd;
u8 data[256 * sizeof(u32)];
} ____cacheline_aligned;
struct tcan4x5x_priv {
struct m_can_classdev cdev;
struct regmap *regmap;
struct spi_device *spi;
struct gpio_desc *reset_gpio;
struct gpio_desc *device_wake_gpio;
struct gpio_desc *device_state_gpio;
struct regulator *power;
struct tcan4x5x_map_buf map_buf_rx;
struct tcan4x5x_map_buf map_buf_tx;
};
static inline void
tcan4x5x_spi_cmd_set_len(struct tcan4x5x_buf_cmd *cmd, u8 len)
{
/* number of u32 */
cmd->len = len >> 2;
}
int tcan4x5x_regmap_init(struct tcan4x5x_priv *priv);
#endif
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