// SPDX-License-Identifier: GPL-2.0-or-later/* * AHCI SATA platform driver * * Copyright 2004-2005  Red Hat, Inc. *   Jeff Garzik <jgarzik@pobox.com> * Copyright 2010  MontaVista Software, LLC. *   Anton Vorontsov <avorontsov@ru.mvista.com> */ #include <linux/kernel.h>#include <linux/module.h>#include <linux/pm.h>#include <linux/device.h>#include <linux/platform_device.h>#include <linux/property.h>#include <linux/libata.h>#include <linux/ahci_platform.h>#include <linux/pci_ids.h>#include "ahci.h" #define DRV_NAME "ahci" static const struct ata_port_info ahci_port_info = {	.flags		= AHCI_FLAG_COMMON,	.pio_mask	= ATA_PIO4,	.udma_mask	= ATA_UDMA6,	.port_ops	= &ahci_platform_ops,}; static const struct ata_port_info ahci_port_info_nolpm = {	.flags		= AHCI_FLAG_COMMON | ATA_FLAG_NO_LPM,	.pio_mask	= ATA_PIO4,	.udma_mask	= ATA_UDMA6,	.port_ops	= &ahci_platform_ops,}; static const struct scsi_host_template ahci_platform_sht = {	AHCI_SHT(DRV_NAME),}; static int ahci_probe(struct platform_device *pdev){	struct device *dev = &pdev->dev;	struct ahci_host_priv *hpriv;	const struct ata_port_info *port;	int rc; 	hpriv = ahci_platform_get_resources(pdev,					    AHCI_PLATFORM_GET_RESETS);	if (IS_ERR(hpriv))		return PTR_ERR(hpriv); 	rc = ahci_platform_enable_resources(hpriv);	if (rc)		return rc; 	if (device_is_compatible(dev, "hisilicon,hisi-ahci"))		hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; 	port = device_get_match_data(dev);	if (!port)		port = &ahci_port_info; 	rc = ahci_platform_init_host(pdev, hpriv, port,				     &ahci_platform_sht);	if (rc)		goto disable_resources; 	return 0;disable_resources:	ahci_platform_disable_resources(hpriv);	return rc;} static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,			 ahci_platform_resume); static const struct of_device_id ahci_of_match[] = {	{ .compatible = "generic-ahci", },	/* Keep the following compatibles for device tree compatibility */	{ .compatible = "ibm,476gtr-ahci", },	{ .compatible = "hisilicon,hisi-ahci", },	{ .compatible = "cavium,octeon-7130-ahci", },	{ /* sentinel */ }};MODULE_DEVICE_TABLE(of, ahci_of_match); static const struct acpi_device_id ahci_acpi_match[] = {	{ .id = "APMC0D33", .driver_data = (unsigned long)&ahci_port_info_nolpm },	{ ACPI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff) },	{ }};MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); static struct platform_driver ahci_driver = {	.probe = ahci_probe,	.remove = ata_platform_remove_one,	.shutdown = ahci_platform_shutdown,	.driver = {		.name = DRV_NAME,		.of_match_table = ahci_of_match,		.acpi_match_table = ahci_acpi_match,		.pm = &ahci_pm_ops,	},};module_platform_driver(ahci_driver); MODULE_DESCRIPTION("AHCI SATA platform driver");MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");MODULE_LICENSE("GPL");MODULE_ALIAS("platform:ahci");