linux/drivers/platform/x86/serial-multi-instantiate.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Serial multi-instantiate driver, pseudo driver to instantiate multiple
 * client devices from a single fwnode.
 *
 * Copyright 2018 Hans de Goede <[email protected]>
 */

#include <linux/acpi.h>
#include <linux/bits.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/spi/spi.h>
#include <linux/types.h>

#define IRQ_RESOURCE_TYPE …
#define IRQ_RESOURCE_NONE …
#define IRQ_RESOURCE_GPIO …
#define IRQ_RESOURCE_APIC …
#define IRQ_RESOURCE_AUTO …

enum smi_bus_type { … };

struct smi_instance { … };

struct smi_node { … };

struct smi { … };

static int smi_get_irq(struct platform_device *pdev, struct acpi_device *adev,
		       const struct smi_instance *inst)
{ … }

static void smi_devs_unregister(struct smi *smi)
{ … }

/**
 * smi_spi_probe - Instantiate multiple SPI devices from inst array
 * @pdev:	Platform device
 * @smi:	Internal struct for Serial multi instantiate driver
 * @inst_array:	Array of instances to probe
 *
 * Returns the number of SPI devices instantiate, Zero if none is found or a negative error code.
 */
static int smi_spi_probe(struct platform_device *pdev, struct smi *smi,
			 const struct smi_instance *inst_array)
{ … }

/**
 * smi_i2c_probe - Instantiate multiple I2C devices from inst array
 * @pdev:	Platform device
 * @smi:	Internal struct for Serial multi instantiate driver
 * @inst_array:	Array of instances to probe
 *
 * Returns the number of I2C devices instantiate, Zero if none is found or a negative error code.
 */
static int smi_i2c_probe(struct platform_device *pdev, struct smi *smi,
			 const struct smi_instance *inst_array)
{ … }

static int smi_probe(struct platform_device *pdev)
{ … }

static void smi_remove(struct platform_device *pdev)
{ … }

static const struct smi_node bsg1160_data = …;

static const struct smi_node bsg2150_data = …;

static const struct smi_node int3515_data = …;

static const struct smi_node cs35l41_hda = …;

static const struct smi_node cs35l54_hda = …;

static const struct smi_node cs35l56_hda = …;

static const struct smi_node cs35l57_hda = …;

/*
 * Note new device-ids must also be added to ignore_serial_bus_ids in
 * drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
 */
static const struct acpi_device_id smi_acpi_ids[] = …;
MODULE_DEVICE_TABLE(acpi, smi_acpi_ids);

static struct platform_driver smi_driver = …;
module_platform_driver(…) …;

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