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 23 static struct scsi_host_template netcell_sht = { 24 ATA_BMDMA_SHT(DRV_NAME), 25 }; 26 27 static struct ata_port_operations netcell_ops = { 28 .inherits = &ata_bmdma_port_ops, 29 .cable_detect = ata_cable_80wire, 30 }; 31 32 33 /** 34 * netcell_init_one - Register Netcell ATA PCI device with kernel services 35 * @pdev: PCI device to register 36 * @ent: Entry in netcell_pci_tbl matching with @pdev 37 * 38 * Called from kernel PCI layer. 39 * 40 * LOCKING: 41 * Inherited from PCI layer (may sleep). 42 * 43 * RETURNS: 44 * Zero on success, or -ERRNO value. 45 */ 46 47 static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) 48 { 49 static int printed_version; 50 static const struct ata_port_info info = { 51 .flags = ATA_FLAG_SLAVE_POSS, 52 /* Actually we don't really care about these as the 53 firmware deals with it */ 54 .pio_mask = ATA_PIO4, 55 .mwdma_mask = ATA_MWDMA2, 56 .udma_mask = ATA_UDMA5, /* UDMA 133 */ 57 .port_ops = &netcell_ops, 58 }; 59 const struct ata_port_info *port_info[] = { &info, NULL }; 60 int rc; 61 62 if (!printed_version++) 63 dev_printk(KERN_DEBUG, &pdev->dev, 64 "version " DRV_VERSION "\n"); 65 66 rc = pcim_enable_device(pdev); 67 if (rc) 68 return rc; 69 70 /* Any chip specific setup/optimisation/messages here */ 71 ata_pci_bmdma_clear_simplex(pdev); 72 73 /* And let the library code do the work */ 74 return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL); 75 } 76 77 static const struct pci_device_id netcell_pci_tbl[] = { 78 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), }, 79 80 { } /* terminate list */ 81 }; 82 83 static struct pci_driver netcell_pci_driver = { 84 .name = DRV_NAME, 85 .id_table = netcell_pci_tbl, 86 .probe = netcell_init_one, 87 .remove = ata_pci_remove_one, 88 #ifdef CONFIG_PM 89 .suspend = ata_pci_device_suspend, 90 .resume = ata_pci_device_resume, 91 #endif 92 }; 93 94 static int __init netcell_init(void) 95 { 96 return pci_register_driver(&netcell_pci_driver); 97 } 98 99 static void __exit netcell_exit(void) 100 { 101 pci_unregister_driver(&netcell_pci_driver); 102 } 103 104 module_init(netcell_init); 105 module_exit(netcell_exit); 106 107 MODULE_AUTHOR("Alan Cox"); 108 MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID"); 109 MODULE_LICENSE("GPL"); 110 MODULE_DEVICE_TABLE(pci, netcell_pci_tbl); 111 MODULE_VERSION(DRV_VERSION); 112 113