2 * pata_netcell.c - Netcell PATA driver
4 * (c) 2006 Red Hat <alan@redhat.com>
7 #include <linux/kernel.h>
8 #include <linux/module.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>
18 #define DRV_NAME "pata_netcell"
19 #define DRV_VERSION "0.1.7"
21 /* No PIO or DMA methods needed for this device */
23 static struct scsi_host_template netcell_sht = {
24 ATA_BMDMA_SHT(DRV_NAME),
27 static const struct ata_port_operations netcell_ops = {
28 /* Task file is PCI ATA format, use helpers */
29 .tf_load = ata_tf_load,
30 .tf_read = ata_tf_read,
31 .check_status = ata_check_status,
32 .exec_command = ata_exec_command,
33 .dev_select = ata_std_dev_select,
35 .mode_filter = ata_pci_default_filter,
36 .freeze = ata_bmdma_freeze,
37 .thaw = ata_bmdma_thaw,
38 .error_handler = ata_bmdma_error_handler,
39 .post_internal_cmd = ata_bmdma_post_internal_cmd,
40 .cable_detect = ata_cable_80wire,
42 /* BMDMA handling is PCI ATA format, use helpers */
43 .bmdma_setup = ata_bmdma_setup,
44 .bmdma_start = ata_bmdma_start,
45 .bmdma_stop = ata_bmdma_stop,
46 .bmdma_status = ata_bmdma_status,
47 .qc_prep = ata_qc_prep,
48 .qc_issue = ata_qc_issue_prot,
49 .data_xfer = ata_data_xfer,
51 /* IRQ-related hooks */
52 .irq_handler = ata_interrupt,
53 .irq_clear = ata_bmdma_irq_clear,
56 /* Generic PATA PCI ATA helpers */
57 .port_start = ata_sff_port_start,
62 * netcell_init_one - Register Netcell ATA PCI device with kernel services
63 * @pdev: PCI device to register
64 * @ent: Entry in netcell_pci_tbl matching with @pdev
66 * Called from kernel PCI layer.
69 * Inherited from PCI layer (may sleep).
72 * Zero on success, or -ERRNO value.
75 static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
77 static int printed_version;
78 static const struct ata_port_info info = {
80 .flags = ATA_FLAG_SLAVE_POSS,
81 /* Actually we don't really care about these as the
82 firmware deals with it */
83 .pio_mask = 0x1f, /* pio0-4 */
84 .mwdma_mask = 0x07, /* mwdma0-2 */
85 .udma_mask = ATA_UDMA5, /* UDMA 133 */
86 .port_ops = &netcell_ops,
88 const struct ata_port_info *port_info[] = { &info, NULL };
91 if (!printed_version++)
92 dev_printk(KERN_DEBUG, &pdev->dev,
93 "version " DRV_VERSION "\n");
95 rc = pcim_enable_device(pdev);
99 /* Any chip specific setup/optimisation/messages here */
100 ata_pci_clear_simplex(pdev);
102 /* And let the library code do the work */
103 return ata_pci_init_one(pdev, port_info);
106 static const struct pci_device_id netcell_pci_tbl[] = {
107 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
109 { } /* terminate list */
112 static struct pci_driver netcell_pci_driver = {
114 .id_table = netcell_pci_tbl,
115 .probe = netcell_init_one,
116 .remove = ata_pci_remove_one,
118 .suspend = ata_pci_device_suspend,
119 .resume = ata_pci_device_resume,
123 static int __init netcell_init(void)
125 return pci_register_driver(&netcell_pci_driver);
128 static void __exit netcell_exit(void)
130 pci_unregister_driver(&netcell_pci_driver);
133 module_init(netcell_init);
134 module_exit(netcell_exit);
136 MODULE_AUTHOR("Alan Cox");
137 MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
138 MODULE_LICENSE("GPL");
139 MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
140 MODULE_VERSION(DRV_VERSION);