| /* | |
| * 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> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2, or (at your option) | |
| * any later version. | |
| */ | |
| #include <linux/kernel.h> | |
| #include <linux/module.h> | |
| #include <linux/pm.h> | |
| #include <linux/device.h> | |
| #include <linux/of_device.h> | |
| #include <linux/platform_device.h> | |
| #include <linux/libata.h> | |
| #include <linux/ahci_platform.h> | |
| #include <linux/acpi.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 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; | |
| int rc; | |
| hpriv = ahci_platform_get_resources(pdev); | |
| if (IS_ERR(hpriv)) | |
| return PTR_ERR(hpriv); | |
| rc = ahci_platform_enable_resources(hpriv); | |
| if (rc) | |
| return rc; | |
| of_property_read_u32(dev->of_node, | |
| "ports-implemented", &hpriv->force_port_map); | |
| if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) | |
| hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; | |
| rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, | |
| &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 = "snps,spear-ahci", }, | |
| { .compatible = "snps,exynos5440-ahci", }, | |
| { .compatible = "ibm,476gtr-ahci", }, | |
| { .compatible = "snps,dwc-ahci", }, | |
| { .compatible = "hisilicon,hisi-ahci", }, | |
| { .compatible = "cavium,octeon-7130-ahci", }, | |
| {}, | |
| }; | |
| MODULE_DEVICE_TABLE(of, ahci_of_match); | |
| static const struct acpi_device_id ahci_acpi_match[] = { | |
| { 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, | |
| .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"); |