projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c2a49f6 AV |
1 | /* |
| 2 | * AHCI SATA platform driver | |
| 3 | * | |
| 4 | * Copyright 2004-2005 Red Hat, Inc. | |
| 5 | * Jeff Garzik <jgarzik@pobox.com> | |
| 6 | * Copyright 2010 MontaVista Software, LLC. | |
| 7 | * Anton Vorontsov <avorontsov@ru.mvista.com> | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; either version 2, or (at your option) | |
| 12 | * any later version. | |
| 13 | */ | |
| 14 | ||
| 15 | #include <linux/kernel.h> | |
| 16 | #include <linux/module.h> | |
| 18c25ff4 | 17 | #include <linux/pm.h> |
| 1c2a49f6 | 18 | #include <linux/device.h> |
| a1a205df | 19 | #include <linux/of_device.h> |
| 1c2a49f6 AV |
20 | #include <linux/platform_device.h> |
| 21 | #include <linux/libata.h> | |
| 22 | #include <linux/ahci_platform.h> | |
| 2051e924 SS |
23 | #include <linux/acpi.h> |
| 24 | #include <linux/pci_ids.h> | |
| 1c2a49f6 AV |
25 | #include "ahci.h" |
| 26 | ||
| 018d5ef2 AM |
27 | #define DRV_NAME "ahci" |
| 28 | ||
| c093e1d3 HG |
29 | static const struct ata_port_info ahci_port_info = { |
| 30 | .flags = AHCI_FLAG_COMMON, | |
| 31 | .pio_mask = ATA_PIO4, | |
| 32 | .udma_mask = ATA_UDMA6, | |
| 33 | .port_ops = &ahci_platform_ops, | |
| 904c04fe RZ |
34 | }; |
| 35 | ||
| 018d5ef2 AM |
36 | static struct scsi_host_template ahci_platform_sht = { |
| 37 | AHCI_SHT(DRV_NAME), | |
| 38 | }; | |
| 39 | ||
| 23b07d4c HG |
40 | static int ahci_probe(struct platform_device *pdev) |
| 41 | { | |
| 42 | struct device *dev = &pdev->dev; | |
| 23b07d4c HG |
43 | struct ahci_host_priv *hpriv; |
| 44 | int rc; | |
| 45 | ||
| 46 | hpriv = ahci_platform_get_resources(pdev); | |
| 47 | if (IS_ERR(hpriv)) | |
| 48 | return PTR_ERR(hpriv); | |
| 49 | ||
| 50 | rc = ahci_platform_enable_resources(hpriv); | |
| 51 | if (rc) | |
| 52 | return rc; | |
| 53 | ||
| 17dcc37e SK |
54 | of_property_read_u32(dev->of_node, |
| 55 | "ports-implemented", &hpriv->force_port_map); | |
| 56 | ||
| a1a205df | 57 | if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) |
| 725c7b57 | 58 | hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; |
| a1a205df | 59 | |
| 018d5ef2 AM |
60 | rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, |
| 61 | &ahci_platform_sht); | |
| 1c2a49f6 | 62 | if (rc) |
| 515d9b2c | 63 | goto disable_resources; |
| 1c2a49f6 AV |
64 | |
| 65 | return 0; | |
| 96a01ba5 HG |
66 | disable_resources: |
| 67 | ahci_platform_disable_resources(hpriv); | |
| 1c2a49f6 AV |
68 | return rc; |
| 69 | } | |
| 70 | ||
| 648cb6fd HG |
71 | static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend, |
| 72 | ahci_platform_resume); | |
| 18c25ff4 | 73 | |
| 02aac316 | 74 | static const struct of_device_id ahci_of_match[] = { |
| 30f3c73c AT |
75 | { .compatible = "generic-ahci", }, |
| 76 | /* Keep the following compatibles for device tree compatibility */ | |
| 5f098a3e | 77 | { .compatible = "snps,spear-ahci", }, |
| 1e8f5f76 | 78 | { .compatible = "snps,exynos5440-ahci", }, |
| 2435dcb9 | 79 | { .compatible = "ibm,476gtr-ahci", }, |
| c4311471 | 80 | { .compatible = "snps,dwc-ahci", }, |
| a1a205df | 81 | { .compatible = "hisilicon,hisi-ahci", }, |
| a2127e40 | 82 | { .compatible = "cavium,octeon-7130-ahci", }, |
| 02aac316 RH |
83 | {}, |
| 84 | }; | |
| 85 | MODULE_DEVICE_TABLE(of, ahci_of_match); | |
| 86 | ||
| 2051e924 SS |
87 | static const struct acpi_device_id ahci_acpi_match[] = { |
| 88 | { ACPI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff) }, | |
| 89 | {}, | |
| 90 | }; | |
| 91 | MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); | |
| 92 | ||
| 1c2a49f6 | 93 | static struct platform_driver ahci_driver = { |
| 941c77fd | 94 | .probe = ahci_probe, |
| 83291d65 | 95 | .remove = ata_platform_remove_one, |
| 1c2a49f6 | 96 | .driver = { |
| 018d5ef2 | 97 | .name = DRV_NAME, |
| 02aac316 | 98 | .of_match_table = ahci_of_match, |
| 2051e924 | 99 | .acpi_match_table = ahci_acpi_match, |
| 17ab594f | 100 | .pm = &ahci_pm_ops, |
| 1c2a49f6 AV |
101 | }, |
| 102 | }; | |
| 9a99e476 | 103 | module_platform_driver(ahci_driver); |
| 1c2a49f6 AV |
104 | |
| 105 | MODULE_DESCRIPTION("AHCI SATA platform driver"); | |
| 106 | MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>"); | |
| 107 | MODULE_LICENSE("GPL"); | |
| 108 | MODULE_ALIAS("platform:ahci"); |