linux/drivers/spi/spi-tle62x0.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Support Infineon TLE62x0 driver chips
 *
 * Copyright (c) 2007 Simtec Electronics
 *	Ben Dooks, <[email protected]>
 */

#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>

#include <linux/spi/spi.h>
#include <linux/spi/tle62x0.h>


#define CMD_READ …
#define CMD_SET …

#define DIAG_NORMAL …
#define DIAG_OVERLOAD …
#define DIAG_OPEN …
#define DIAG_SHORTGND …

struct tle62x0_state { … };

static int to_gpio_num(struct device_attribute *attr);

static inline int tle62x0_write(struct tle62x0_state *st)
{ … }

static inline int tle62x0_read(struct tle62x0_state *st)
{ … }

static unsigned char *decode_fault(unsigned int fault_code)
{ … }

static ssize_t tle62x0_status_show(struct device *dev,
		struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR(status_show, S_IRUGO, tle62x0_status_show, NULL);

static ssize_t tle62x0_gpio_show(struct device *dev,
		struct device_attribute *attr, char *buf)
{ … }

static ssize_t tle62x0_gpio_store(struct device *dev,
		struct device_attribute *attr,
		const char *buf, size_t len)
{ … }

static DEVICE_ATTR(gpio1, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio2, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio3, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio4, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio5, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio6, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio7, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio8, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio9, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio10, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio11, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio12, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio13, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio14, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio15, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);
static DEVICE_ATTR(gpio16, S_IWUSR|S_IRUGO,
		tle62x0_gpio_show, tle62x0_gpio_store);

static struct device_attribute *gpio_attrs[] = …;

static int to_gpio_num(struct device_attribute *attr)
{ … }

static int tle62x0_probe(struct spi_device *spi)
{ … }

static void tle62x0_remove(struct spi_device *spi)
{ … }

static struct spi_driver tle62x0_driver = …;

module_spi_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;