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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// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * pata_netcell.c - Netcell PATA driver
4 *
5 * (c) 2006 Red Hat
6 */
7
8#include <linux/kernel.h>
9#include <linux/module.h>
10#include <linux/pci.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, __le16 *id)
25{
26 unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
27
28 /* Firmware forgets to mark words 85-87 valid */
29 if (err_mask == 0)
30 id[ATA_ID_CSF_DEFAULT] |= cpu_to_le16(0x4000);
31 return err_mask;
32}
33
34static const struct scsi_host_template netcell_sht = {
35 ATA_BMDMA_SHT(DRV_NAME),
36};
37
38static struct ata_port_operations netcell_ops = {
39 .inherits = &ata_bmdma_port_ops,
40 .cable_detect = ata_cable_80wire,
41 .read_id = netcell_read_id,
42};
43
44
45/**
46 * netcell_init_one - Register Netcell ATA PCI device with kernel services
47 * @pdev: PCI device to register
48 * @ent: Entry in netcell_pci_tbl matching with @pdev
49 *
50 * Called from kernel PCI layer.
51 *
52 * LOCKING:
53 * Inherited from PCI layer (may sleep).
54 *
55 * RETURNS:
56 * Zero on success, or -ERRNO value.
57 */
58
59static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
60{
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 */
65 .pio_mask = ATA_PIO4,
66 .mwdma_mask = ATA_MWDMA2,
67 .udma_mask = ATA_UDMA5, /* UDMA 133 */
68 .port_ops = &netcell_ops,
69 };
70 const struct ata_port_info *port_info[] = { &info, NULL };
71 int rc;
72
73 ata_print_version_once(&pdev->dev, DRV_VERSION);
74
75 rc = pcim_enable_device(pdev);
76 if (rc)
77 return rc;
78
79 /* Any chip specific setup/optimisation/messages here */
80 ata_pci_bmdma_clear_simplex(pdev);
81
82 /* And let the library code do the work */
83 return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
84}
85
86static const struct pci_device_id netcell_pci_tbl[] = {
87 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
88
89 { } /* terminate list */
90};
91
92static struct pci_driver netcell_pci_driver = {
93 .name = DRV_NAME,
94 .id_table = netcell_pci_tbl,
95 .probe = netcell_init_one,
96 .remove = ata_pci_remove_one,
97#ifdef CONFIG_PM_SLEEP
98 .suspend = ata_pci_device_suspend,
99 .resume = ata_pci_device_resume,
100#endif
101};
102
103module_pci_driver(netcell_pci_driver);
104
105MODULE_AUTHOR("Alan Cox");
106MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
107MODULE_LICENSE("GPL");
108MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
109MODULE_VERSION(DRV_VERSION);