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1/*
2 * pata_netcell.c - Netcell PATA driver
3 *
4 * (c) 2006 Red Hat
5 */
6
7#include <linux/kernel.h>
8#include <linux/module.h>
9#include <linux/pci.h>
10#include <linux/blkdev.h>
11#include <linux/delay.h>
12#include <linux/device.h>
13#include <scsi/scsi_host.h>
14#include <linux/libata.h>
15#include <linux/ata.h>
16
17#define DRV_NAME "pata_netcell"
18#define DRV_VERSION "0.1.7"
19
20/* No PIO or DMA methods needed for this device */
21
22static unsigned int netcell_read_id(struct ata_device *adev,
23 struct ata_taskfile *tf, u16 *id)
24{
25 unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
26 /* Firmware forgets to mark words 85-87 valid */
27 if (err_mask == 0)
28 id[ATA_ID_CSF_DEFAULT] |= 0x4000;
29 return err_mask;
30}
31
32static struct scsi_host_template netcell_sht = {
33 ATA_BMDMA_SHT(DRV_NAME),
34};
35
36static struct ata_port_operations netcell_ops = {
37 .inherits = &ata_bmdma_port_ops,
38 .cable_detect = ata_cable_80wire,
39 .read_id = netcell_read_id,
40};
41
42
43/**
44 * netcell_init_one - Register Netcell ATA PCI device with kernel services
45 * @pdev: PCI device to register
46 * @ent: Entry in netcell_pci_tbl matching with @pdev
47 *
48 * Called from kernel PCI layer.
49 *
50 * LOCKING:
51 * Inherited from PCI layer (may sleep).
52 *
53 * RETURNS:
54 * Zero on success, or -ERRNO value.
55 */
56
57static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
58{
59 static const struct ata_port_info info = {
60 .flags = ATA_FLAG_SLAVE_POSS,
61 /* Actually we don't really care about these as the
62 firmware deals with it */
63 .pio_mask = ATA_PIO4,
64 .mwdma_mask = ATA_MWDMA2,
65 .udma_mask = ATA_UDMA5, /* UDMA 133 */
66 .port_ops = &netcell_ops,
67 };
68 const struct ata_port_info *port_info[] = { &info, NULL };
69 int rc;
70
71 ata_print_version_once(&pdev->dev, DRV_VERSION);
72
73 rc = pcim_enable_device(pdev);
74 if (rc)
75 return rc;
76
77 /* Any chip specific setup/optimisation/messages here */
78 ata_pci_bmdma_clear_simplex(pdev);
79
80 /* And let the library code do the work */
81 return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
82}
83
84static const struct pci_device_id netcell_pci_tbl[] = {
85 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
86
87 { } /* terminate list */
88};
89
90static struct pci_driver netcell_pci_driver = {
91 .name = DRV_NAME,
92 .id_table = netcell_pci_tbl,
93 .probe = netcell_init_one,
94 .remove = ata_pci_remove_one,
95#ifdef CONFIG_PM_SLEEP
96 .suspend = ata_pci_device_suspend,
97 .resume = ata_pci_device_resume,
98#endif
99};
100
101module_pci_driver(netcell_pci_driver);
102
103MODULE_AUTHOR("Alan Cox");
104MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
105MODULE_LICENSE("GPL");
106MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
107MODULE_VERSION(DRV_VERSION);
1/*
2 * pata_netcell.c - Netcell PATA driver
3 *
4 * (c) 2006 Red Hat
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"
19#define DRV_VERSION "0.1.7"
20
21/* No PIO or DMA methods needed for this device */
22
23static unsigned int netcell_read_id(struct ata_device *adev,
24 struct ata_taskfile *tf, u16 *id)
25{
26 unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
27 /* Firmware forgets to mark words 85-87 valid */
28 if (err_mask == 0)
29 id[ATA_ID_CSF_DEFAULT] |= 0x4000;
30 return err_mask;
31}
32
33static struct scsi_host_template netcell_sht = {
34 ATA_BMDMA_SHT(DRV_NAME),
35};
36
37static struct ata_port_operations netcell_ops = {
38 .inherits = &ata_bmdma_port_ops,
39 .cable_detect = ata_cable_80wire,
40 .read_id = netcell_read_id,
41};
42
43
44/**
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
48 *
49 * Called from kernel PCI layer.
50 *
51 * LOCKING:
52 * Inherited from PCI layer (may sleep).
53 *
54 * RETURNS:
55 * Zero on success, or -ERRNO value.
56 */
57
58static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
59{
60 static const struct ata_port_info info = {
61 .flags = ATA_FLAG_SLAVE_POSS,
62 /* Actually we don't really care about these as the
63 firmware deals with it */
64 .pio_mask = ATA_PIO4,
65 .mwdma_mask = ATA_MWDMA2,
66 .udma_mask = ATA_UDMA5, /* UDMA 133 */
67 .port_ops = &netcell_ops,
68 };
69 const struct ata_port_info *port_info[] = { &info, NULL };
70 int rc;
71
72 ata_print_version_once(&pdev->dev, DRV_VERSION);
73
74 rc = pcim_enable_device(pdev);
75 if (rc)
76 return rc;
77
78 /* Any chip specific setup/optimisation/messages here */
79 ata_pci_bmdma_clear_simplex(pdev);
80
81 /* And let the library code do the work */
82 return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
83}
84
85static const struct pci_device_id netcell_pci_tbl[] = {
86 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
87
88 { } /* terminate list */
89};
90
91static struct pci_driver netcell_pci_driver = {
92 .name = DRV_NAME,
93 .id_table = netcell_pci_tbl,
94 .probe = netcell_init_one,
95 .remove = ata_pci_remove_one,
96#ifdef CONFIG_PM
97 .suspend = ata_pci_device_suspend,
98 .resume = ata_pci_device_resume,
99#endif
100};
101
102static int __init netcell_init(void)
103{
104 return pci_register_driver(&netcell_pci_driver);
105}
106
107static void __exit netcell_exit(void)
108{
109 pci_unregister_driver(&netcell_pci_driver);
110}
111
112module_init(netcell_init);
113module_exit(netcell_exit);
114
115MODULE_AUTHOR("Alan Cox");
116MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
117MODULE_LICENSE("GPL");
118MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
119MODULE_VERSION(DRV_VERSION);
120