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Anton Vorontsov1c2a49f2010-03-04 20:06:06 +03001/*
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>
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030016#include <linux/module.h>
Shiraz Hashim18c25ff2012-03-16 15:49:55 +053017#include <linux/pm.h>
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030018#include <linux/device.h>
Kefeng Wanga1a205d2014-05-14 14:13:42 +080019#include <linux/of_device.h>
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030020#include <linux/platform_device.h>
21#include <linux/libata.h>
22#include <linux/ahci_platform.h>
Suthikulpanit, Suravee2051e922015-07-07 01:55:21 +020023#include <linux/acpi.h>
24#include <linux/pci_ids.h>
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030025#include "ahci.h"
26
Akinobu Mita018d5ef2015-01-29 08:30:29 +090027#define DRV_NAME "ahci"
28
Hans de Goedec093e1d2014-02-22 17:22:54 +010029static 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,
Richard Zhu904c04f2011-09-28 15:41:54 +080034};
35
Akinobu Mita018d5ef2015-01-29 08:30:29 +090036static struct scsi_host_template ahci_platform_sht = {
37 AHCI_SHT(DRV_NAME),
38};
39
Hans de Goede23b07d42014-02-22 16:53:34 +010040static int ahci_probe(struct platform_device *pdev)
41{
42 struct device *dev = &pdev->dev;
Hans de Goede23b07d42014-02-22 16:53:34 +010043 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
Srinivas Kandagatla17dcc372016-04-01 08:52:57 +010054 of_property_read_u32(dev->of_node,
55 "ports-implemented", &hpriv->force_port_map);
56
Kefeng Wanga1a205d2014-05-14 14:13:42 +080057 if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
Antoine Ténart725c7b52014-07-30 20:13:56 +020058 hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
Kefeng Wanga1a205d2014-05-14 14:13:42 +080059
Akinobu Mita018d5ef2015-01-29 08:30:29 +090060 rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info,
61 &ahci_platform_sht);
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030062 if (rc)
Bartlomiej Zolnierkiewicz515d9b2c2014-08-12 18:22:27 +020063 goto disable_resources;
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030064
65 return 0;
Hans de Goede96a01ba2014-02-22 16:53:33 +010066disable_resources:
67 ahci_platform_disable_resources(hpriv);
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030068 return rc;
69}
70
Hans de Goede648cb6f2014-02-22 16:53:35 +010071static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
72 ahci_platform_resume);
Shiraz Hashim18c25ff2012-03-16 15:49:55 +053073
Rob Herring02aac312010-11-03 21:04:59 -050074static const struct of_device_id ahci_of_match[] = {
Antoine Ténart30f3c732014-07-30 20:13:58 +020075 { .compatible = "generic-ahci", },
76 /* Keep the following compatibles for device tree compatibility */
Viresh Kumar5f098a32012-04-21 17:40:12 +053077 { .compatible = "snps,spear-ahci", },
Girish K S1e8f5f72013-04-16 14:58:02 +053078 { .compatible = "snps,exynos5440-ahci", },
Alistair Popple2435dcb2013-11-22 13:08:29 +110079 { .compatible = "ibm,476gtr-ahci", },
Roger Quadrosc4311472014-02-22 16:53:38 +010080 { .compatible = "snps,dwc-ahci", },
Kefeng Wanga1a205d2014-05-14 14:13:42 +080081 { .compatible = "hisilicon,hisi-ahci", },
Aleksey Makarova2127e42016-02-11 13:53:08 +000082 { .compatible = "cavium,octeon-7130-ahci", },
Rob Herring02aac312010-11-03 21:04:59 -050083 {},
84};
85MODULE_DEVICE_TABLE(of, ahci_of_match);
86
Suthikulpanit, Suravee2051e922015-07-07 01:55:21 +020087static const struct acpi_device_id ahci_acpi_match[] = {
88 { ACPI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff) },
89 {},
90};
91MODULE_DEVICE_TABLE(acpi, ahci_acpi_match);
92
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030093static struct platform_driver ahci_driver = {
Brian Norris941c77f2012-11-02 00:46:15 -070094 .probe = ahci_probe,
Brian Norris83291d62012-11-02 00:46:19 -070095 .remove = ata_platform_remove_one,
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +030096 .driver = {
Akinobu Mita018d5ef2015-01-29 08:30:29 +090097 .name = DRV_NAME,
Rob Herring02aac312010-11-03 21:04:59 -050098 .of_match_table = ahci_of_match,
Suthikulpanit, Suravee2051e922015-07-07 01:55:21 +020099 .acpi_match_table = ahci_acpi_match,
Brian Norris17ab5942011-11-18 11:10:10 -0800100 .pm = &ahci_pm_ops,
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +0300101 },
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +0300102};
Brian Norris9a99e472012-11-02 00:46:16 -0700103module_platform_driver(ahci_driver);
Anton Vorontsov1c2a49f2010-03-04 20:06:06 +0300104
105MODULE_DESCRIPTION("AHCI SATA platform driver");
106MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
107MODULE_LICENSE("GPL");
108MODULE_ALIAS("platform:ahci");