projects / mirror_ubuntu-artful-kernel.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> | |
| 23 | #include "ahci.h" | |
| 24 | ||
| c093e1d3 HG |
25 | static const struct ata_port_info ahci_port_info = { |
| 26 | .flags = AHCI_FLAG_COMMON, | |
| 27 | .pio_mask = ATA_PIO4, | |
| 28 | .udma_mask = ATA_UDMA6, | |
| 29 | .port_ops = &ahci_platform_ops, | |
| 904c04fe RZ |
30 | }; |
| 31 | ||
| 23b07d4c HG |
32 | static int ahci_probe(struct platform_device *pdev) |
| 33 | { | |
| 34 | struct device *dev = &pdev->dev; | |
| 23b07d4c HG |
35 | struct ahci_host_priv *hpriv; |
| 36 | int rc; | |
| 37 | ||
| 38 | hpriv = ahci_platform_get_resources(pdev); | |
| 39 | if (IS_ERR(hpriv)) | |
| 40 | return PTR_ERR(hpriv); | |
| 41 | ||
| 42 | rc = ahci_platform_enable_resources(hpriv); | |
| 43 | if (rc) | |
| 44 | return rc; | |
| 45 | ||
| a1a205df | 46 | if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) |
| 725c7b57 | 47 | hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; |
| a1a205df | 48 | |
| 725c7b57 | 49 | rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info); |
| 1c2a49f6 | 50 | if (rc) |
| 515d9b2c | 51 | goto disable_resources; |
| 1c2a49f6 AV |
52 | |
| 53 | return 0; | |
| 96a01ba5 HG |
54 | disable_resources: |
| 55 | ahci_platform_disable_resources(hpriv); | |
| 1c2a49f6 AV |
56 | return rc; |
| 57 | } | |
| 58 | ||
| 648cb6fd HG |
59 | static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend, |
| 60 | ahci_platform_resume); | |
| 18c25ff4 | 61 | |
| 02aac316 | 62 | static const struct of_device_id ahci_of_match[] = { |
| 30f3c73c AT |
63 | { .compatible = "generic-ahci", }, |
| 64 | /* Keep the following compatibles for device tree compatibility */ | |
| 5f098a3e | 65 | { .compatible = "snps,spear-ahci", }, |
| 1e8f5f76 | 66 | { .compatible = "snps,exynos5440-ahci", }, |
| 2435dcb9 | 67 | { .compatible = "ibm,476gtr-ahci", }, |
| c4311471 | 68 | { .compatible = "snps,dwc-ahci", }, |
| a1a205df | 69 | { .compatible = "hisilicon,hisi-ahci", }, |
| 02aac316 RH |
70 | {}, |
| 71 | }; | |
| 72 | MODULE_DEVICE_TABLE(of, ahci_of_match); | |
| 73 | ||
| 1c2a49f6 | 74 | static struct platform_driver ahci_driver = { |
| 941c77fd | 75 | .probe = ahci_probe, |
| 83291d65 | 76 | .remove = ata_platform_remove_one, |
| 1c2a49f6 AV |
77 | .driver = { |
| 78 | .name = "ahci", | |
| 02aac316 | 79 | .of_match_table = ahci_of_match, |
| 17ab594f | 80 | .pm = &ahci_pm_ops, |
| 1c2a49f6 AV |
81 | }, |
| 82 | }; | |
| 9a99e476 | 83 | module_platform_driver(ahci_driver); |
| 1c2a49f6 AV |
84 | |
| 85 | MODULE_DESCRIPTION("AHCI SATA platform driver"); | |
| 86 | MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>"); | |
| 87 | MODULE_LICENSE("GPL"); | |
| 88 | MODULE_ALIAS("platform:ahci"); |