Commit | Line | Data |
---|---|---|
669a5db4 JG |
1 | /* |
2 | * pata_netcell.c - Netcell PATA driver | |
3 | * | |
ab771630 | 4 | * (c) 2006 Red Hat |
669a5db4 JG |
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" | |
3b4ba591 | 19 | #define DRV_VERSION "0.1.7" |
669a5db4 JG |
20 | |
21 | /* No PIO or DMA methods needed for this device */ | |
22 | ||
d3ae33ef AC |
23 | static 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) | |
5284c6b9 | 29 | id[ATA_ID_CSF_DEFAULT] |= 0x4000; |
d3ae33ef AC |
30 | return err_mask; |
31 | } | |
32 | ||
669a5db4 | 33 | static struct scsi_host_template netcell_sht = { |
68d1d07b | 34 | ATA_BMDMA_SHT(DRV_NAME), |
669a5db4 JG |
35 | }; |
36 | ||
029cfd6b TH |
37 | static struct ata_port_operations netcell_ops = { |
38 | .inherits = &ata_bmdma_port_ops, | |
d3ae33ef AC |
39 | .cable_detect = ata_cable_80wire, |
40 | .read_id = netcell_read_id, | |
669a5db4 JG |
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 | ||
58 | static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |
59 | { | |
60 | static int printed_version; | |
1626aeb8 | 61 | static const struct ata_port_info info = { |
1d2808fd | 62 | .flags = ATA_FLAG_SLAVE_POSS, |
669a5db4 JG |
63 | /* Actually we don't really care about these as the |
64 | firmware deals with it */ | |
14bdef98 EIB |
65 | .pio_mask = ATA_PIO4, |
66 | .mwdma_mask = ATA_MWDMA2, | |
bf6263a8 | 67 | .udma_mask = ATA_UDMA5, /* UDMA 133 */ |
669a5db4 JG |
68 | .port_ops = &netcell_ops, |
69 | }; | |
1626aeb8 | 70 | const struct ata_port_info *port_info[] = { &info, NULL }; |
f08048e9 | 71 | int rc; |
669a5db4 JG |
72 | |
73 | if (!printed_version++) | |
74 | dev_printk(KERN_DEBUG, &pdev->dev, | |
75 | "version " DRV_VERSION "\n"); | |
76 | ||
f08048e9 TH |
77 | rc = pcim_enable_device(pdev); |
78 | if (rc) | |
79 | return rc; | |
80 | ||
669a5db4 | 81 | /* Any chip specific setup/optimisation/messages here */ |
9363c382 | 82 | ata_pci_bmdma_clear_simplex(pdev); |
85cd7251 | 83 | |
669a5db4 | 84 | /* And let the library code do the work */ |
1c5afdf7 | 85 | return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0); |
669a5db4 JG |
86 | } |
87 | ||
88 | static const struct pci_device_id netcell_pci_tbl[] = { | |
2d2744fc JG |
89 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), }, |
90 | ||
669a5db4 JG |
91 | { } /* terminate list */ |
92 | }; | |
93 | ||
94 | static struct pci_driver netcell_pci_driver = { | |
95 | .name = DRV_NAME, | |
96 | .id_table = netcell_pci_tbl, | |
97 | .probe = netcell_init_one, | |
98 | .remove = ata_pci_remove_one, | |
438ac6d5 | 99 | #ifdef CONFIG_PM |
30ced0f0 A |
100 | .suspend = ata_pci_device_suspend, |
101 | .resume = ata_pci_device_resume, | |
438ac6d5 | 102 | #endif |
669a5db4 JG |
103 | }; |
104 | ||
105 | static int __init netcell_init(void) | |
106 | { | |
107 | return pci_register_driver(&netcell_pci_driver); | |
108 | } | |
109 | ||
110 | static void __exit netcell_exit(void) | |
111 | { | |
112 | pci_unregister_driver(&netcell_pci_driver); | |
113 | } | |
114 | ||
115 | module_init(netcell_init); | |
116 | module_exit(netcell_exit); | |
117 | ||
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); | |
123 |