2 * pata_netcell.c - Netcell PATA driver
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 unsigned int netcell_read_id(struct ata_device
*adev
,
24 struct ata_taskfile
*tf
, u16
*id
)
26 unsigned int err_mask
= ata_do_dev_read_id(adev
, tf
, id
);
27 /* Firmware forgets to mark words 85-87 valid */
29 id
[ATA_ID_CSF_DEFAULT
] |= 0x4000;
33 static struct scsi_host_template netcell_sht
= {
34 ATA_BMDMA_SHT(DRV_NAME
),
37 static struct ata_port_operations netcell_ops
= {
38 .inherits
= &ata_bmdma_port_ops
,
39 .cable_detect
= ata_cable_80wire
,
40 .read_id
= netcell_read_id
,
45 * netcell_init_one - Register Netcell ATA PCI device with kernel services
46 * @pdev: PCI device to register
47 * @ent: Entry in netcell_pci_tbl matching with @pdev
49 * Called from kernel PCI layer.
52 * Inherited from PCI layer (may sleep).
55 * Zero on success, or -ERRNO value.
58 static int netcell_init_one (struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
60 static int printed_version
;
61 static const struct ata_port_info info
= {
62 .flags
= ATA_FLAG_SLAVE_POSS
,
63 /* Actually we don't really care about these as the
64 firmware deals with it */
66 .mwdma_mask
= ATA_MWDMA2
,
67 .udma_mask
= ATA_UDMA5
, /* UDMA 133 */
68 .port_ops
= &netcell_ops
,
70 const struct ata_port_info
*port_info
[] = { &info
, NULL
};
73 if (!printed_version
++)
74 dev_printk(KERN_DEBUG
, &pdev
->dev
,
75 "version " DRV_VERSION
"\n");
77 rc
= pcim_enable_device(pdev
);
81 /* Any chip specific setup/optimisation/messages here */
82 ata_pci_bmdma_clear_simplex(pdev
);
84 /* And let the library code do the work */
85 return ata_pci_sff_init_one(pdev
, port_info
, &netcell_sht
, NULL
, 0);
88 static const struct pci_device_id netcell_pci_tbl
[] = {
89 { PCI_VDEVICE(NETCELL
, PCI_DEVICE_ID_REVOLUTION
), },
91 { } /* terminate list */
94 static struct pci_driver netcell_pci_driver
= {
96 .id_table
= netcell_pci_tbl
,
97 .probe
= netcell_init_one
,
98 .remove
= ata_pci_remove_one
,
100 .suspend
= ata_pci_device_suspend
,
101 .resume
= ata_pci_device_resume
,
105 static int __init
netcell_init(void)
107 return pci_register_driver(&netcell_pci_driver
);
110 static void __exit
netcell_exit(void)
112 pci_unregister_driver(&netcell_pci_driver
);
115 module_init(netcell_init
);
116 module_exit(netcell_exit
);
118 MODULE_AUTHOR("Alan Cox");
119 MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
120 MODULE_LICENSE("GPL");
121 MODULE_DEVICE_TABLE(pci
, netcell_pci_tbl
);
122 MODULE_VERSION(DRV_VERSION
);