blob: 349182840d24f2ab4eaac7b27de25f5b29a4fcd3 [file] [log] [blame]
Jeff Garzik669a5db2006-08-29 18:12:40 -04001/*
2 * pata_netcell.c - Netcell PATA driver
3 *
4 * (c) 2006 Red Hat <alan@redhat.com>
5 */
6
7#include <linux/kernel.h>
8#include <linux/module.h>
9#include <linux/pci.h>
10#include <linux/init.h>
11#include <linux/blkdev.h>
12#include <linux/delay.h>
13#include <linux/device.h>
14#include <scsi/scsi_host.h>
15#include <linux/libata.h>
16#include <linux/ata.h>
17
18#define DRV_NAME "pata_netcell"
Alan Cox3b4ba592007-03-26 21:43:40 -080019#define DRV_VERSION "0.1.7"
Jeff Garzik669a5db2006-08-29 18:12:40 -040020
21/* No PIO or DMA methods needed for this device */
22
23static struct scsi_host_template netcell_sht = {
Tejun Heo68d1d072008-03-25 12:22:49 +090024 ATA_BMDMA_SHT(DRV_NAME),
Jeff Garzik669a5db2006-08-29 18:12:40 -040025};
26
Tejun Heo029cfd62008-03-25 12:22:49 +090027static struct ata_port_operations netcell_ops = {
28 .inherits = &ata_bmdma_port_ops,
Alan Cox3b4ba592007-03-26 21:43:40 -080029 .cable_detect = ata_cable_80wire,
Jeff Garzik669a5db2006-08-29 18:12:40 -040030};
31
32
33/**
34 * netcell_init_one - Register Netcell ATA PCI device with kernel services
35 * @pdev: PCI device to register
36 * @ent: Entry in netcell_pci_tbl matching with @pdev
37 *
38 * Called from kernel PCI layer.
39 *
40 * LOCKING:
41 * Inherited from PCI layer (may sleep).
42 *
43 * RETURNS:
44 * Zero on success, or -ERRNO value.
45 */
46
47static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
48{
49 static int printed_version;
Tejun Heo1626aeb2007-05-04 12:43:58 +020050 static const struct ata_port_info info = {
Jeff Garzik1d2808f2007-05-28 06:59:48 -040051 .flags = ATA_FLAG_SLAVE_POSS,
Jeff Garzik669a5db2006-08-29 18:12:40 -040052 /* Actually we don't really care about these as the
53 firmware deals with it */
54 .pio_mask = 0x1f, /* pio0-4 */
55 .mwdma_mask = 0x07, /* mwdma0-2 */
Jeff Garzikbf6263a2007-07-09 12:16:50 -040056 .udma_mask = ATA_UDMA5, /* UDMA 133 */
Jeff Garzik669a5db2006-08-29 18:12:40 -040057 .port_ops = &netcell_ops,
58 };
Tejun Heo1626aeb2007-05-04 12:43:58 +020059 const struct ata_port_info *port_info[] = { &info, NULL };
Tejun Heof08048e2008-03-25 12:22:47 +090060 int rc;
Jeff Garzik669a5db2006-08-29 18:12:40 -040061
62 if (!printed_version++)
63 dev_printk(KERN_DEBUG, &pdev->dev,
64 "version " DRV_VERSION "\n");
65
Tejun Heof08048e2008-03-25 12:22:47 +090066 rc = pcim_enable_device(pdev);
67 if (rc)
68 return rc;
69
Jeff Garzik669a5db2006-08-29 18:12:40 -040070 /* Any chip specific setup/optimisation/messages here */
71 ata_pci_clear_simplex(pdev);
Jeff Garzik85cd7252006-08-31 00:03:49 -040072
Jeff Garzik669a5db2006-08-29 18:12:40 -040073 /* And let the library code do the work */
Tejun Heo887125e2008-03-25 12:22:49 +090074 return ata_pci_init_one(pdev, port_info, &netcell_sht, NULL);
Jeff Garzik669a5db2006-08-29 18:12:40 -040075}
76
77static const struct pci_device_id netcell_pci_tbl[] = {
Jeff Garzik2d2744f2006-09-28 20:21:59 -040078 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
79
Jeff Garzik669a5db2006-08-29 18:12:40 -040080 { } /* terminate list */
81};
82
83static struct pci_driver netcell_pci_driver = {
84 .name = DRV_NAME,
85 .id_table = netcell_pci_tbl,
86 .probe = netcell_init_one,
87 .remove = ata_pci_remove_one,
Tejun Heo438ac6d2007-03-02 17:31:26 +090088#ifdef CONFIG_PM
Alan30ced0f2006-11-22 16:57:36 +000089 .suspend = ata_pci_device_suspend,
90 .resume = ata_pci_device_resume,
Tejun Heo438ac6d2007-03-02 17:31:26 +090091#endif
Jeff Garzik669a5db2006-08-29 18:12:40 -040092};
93
94static int __init netcell_init(void)
95{
96 return pci_register_driver(&netcell_pci_driver);
97}
98
99static void __exit netcell_exit(void)
100{
101 pci_unregister_driver(&netcell_pci_driver);
102}
103
104module_init(netcell_init);
105module_exit(netcell_exit);
106
107MODULE_AUTHOR("Alan Cox");
108MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
109MODULE_LICENSE("GPL");
110MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
111MODULE_VERSION(DRV_VERSION);
112