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 .module = THIS_MODULE,
26 .ioctl = ata_scsi_ioctl,
27 .queuecommand = ata_scsi_queuecmd,
28 .can_queue = ATA_DEF_QUEUE,
29 .this_id = ATA_SHT_THIS_ID,
30 .sg_tablesize = LIBATA_MAX_PRD,
31 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
32 .emulated = ATA_SHT_EMULATED,
33 .use_clustering = ATA_SHT_USE_CLUSTERING,
34 .proc_name = DRV_NAME,
35 .dma_boundary = ATA_DMA_BOUNDARY,
36 .slave_configure = ata_scsi_slave_config,
37 .slave_destroy = ata_scsi_slave_destroy,
38 /* Use standard CHS mapping rules */
39 .bios_param = ata_std_bios_param,
42 static const struct ata_port_operations netcell_ops = {
43 .port_disable = ata_port_disable,
45 /* Task file is PCI ATA format, use helpers */
46 .tf_load = ata_tf_load,
47 .tf_read = ata_tf_read,
48 .check_status = ata_check_status,
49 .exec_command = ata_exec_command,
50 .dev_select = ata_std_dev_select,
52 .freeze = ata_bmdma_freeze,
53 .thaw = ata_bmdma_thaw,
54 .error_handler = ata_bmdma_error_handler,
55 .post_internal_cmd = ata_bmdma_post_internal_cmd,
56 .cable_detect = ata_cable_80wire,
58 /* BMDMA handling is PCI ATA format, use helpers */
59 .bmdma_setup = ata_bmdma_setup,
60 .bmdma_start = ata_bmdma_start,
61 .bmdma_stop = ata_bmdma_stop,
62 .bmdma_status = ata_bmdma_status,
63 .qc_prep = ata_qc_prep,
64 .qc_issue = ata_qc_issue_prot,
65 .data_xfer = ata_data_xfer,
67 /* IRQ-related hooks */
68 .irq_handler = ata_interrupt,
69 .irq_clear = ata_bmdma_irq_clear,
71 .irq_ack = ata_irq_ack,
73 /* Generic PATA PCI ATA helpers */
74 .port_start = ata_port_start,
79 * netcell_init_one - Register Netcell ATA PCI device with kernel services
80 * @pdev: PCI device to register
81 * @ent: Entry in netcell_pci_tbl matching with @pdev
83 * Called from kernel PCI layer.
86 * Inherited from PCI layer (may sleep).
89 * Zero on success, or -ERRNO value.
92 static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
94 static int printed_version;
95 static const struct ata_port_info info = {
97 .flags = ATA_FLAG_SLAVE_POSS,
98 /* Actually we don't really care about these as the
99 firmware deals with it */
100 .pio_mask = 0x1f, /* pio0-4 */
101 .mwdma_mask = 0x07, /* mwdma0-2 */
102 .udma_mask = 0x3f, /* UDMA 133 */
103 .port_ops = &netcell_ops,
105 const struct ata_port_info *port_info[] = { &info, NULL };
107 if (!printed_version++)
108 dev_printk(KERN_DEBUG, &pdev->dev,
109 "version " DRV_VERSION "\n");
111 /* Any chip specific setup/optimisation/messages here */
112 ata_pci_clear_simplex(pdev);
114 /* And let the library code do the work */
115 return ata_pci_init_one(pdev, port_info);
118 static const struct pci_device_id netcell_pci_tbl[] = {
119 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
121 { } /* terminate list */
124 static struct pci_driver netcell_pci_driver = {
126 .id_table = netcell_pci_tbl,
127 .probe = netcell_init_one,
128 .remove = ata_pci_remove_one,
130 .suspend = ata_pci_device_suspend,
131 .resume = ata_pci_device_resume,
135 static int __init netcell_init(void)
137 return pci_register_driver(&netcell_pci_driver);
140 static void __exit netcell_exit(void)
142 pci_unregister_driver(&netcell_pci_driver);
145 module_init(netcell_init);
146 module_exit(netcell_exit);
148 MODULE_AUTHOR("Alan Cox");
149 MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
150 MODULE_LICENSE("GPL");
151 MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
152 MODULE_VERSION(DRV_VERSION);