/* * pata_netcell.c - Netcell PATA driver * * (c) 2006 Red Hat */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/ata.h> #define DRV_NAME "pata_netcell" #define DRV_VERSION "0.1.7" /* No PIO or DMA methods needed for this device */ static unsigned int netcell_read_id(struct ata_device *adev, struct ata_taskfile *tf, u16 *id) { unsigned int err_mask = ata_do_dev_read_id(adev, tf, id); /* Firmware forgets to mark words 85-87 valid */ if (err_mask == 0) id[ATA_ID_CSF_DEFAULT] |= 0x4000; return err_mask; } static struct scsi_host_template netcell_sht = { ATA_BMDMA_SHT(DRV_NAME), }; static struct ata_port_operations netcell_ops = { .inherits = &ata_bmdma_port_ops, .cable_detect = ata_cable_80wire, .read_id = netcell_read_id, }; /** * netcell_init_one - Register Netcell ATA PCI device with kernel services * @pdev: PCI device to register * @ent: Entry in netcell_pci_tbl matching with @pdev * * Called from kernel PCI layer. * * LOCKING: * Inherited from PCI layer (may sleep). * * RETURNS: * Zero on success, or -ERRNO value. */ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; static const struct ata_port_info info = { .flags = ATA_FLAG_SLAVE_POSS, /* Actually we don't really care about these as the firmware deals with it */ .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA5, /* UDMA 133 */ .port_ops = &netcell_ops, }; const struct ata_port_info *port_info[] = { &info, NULL }; int rc; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); rc = pcim_enable_device(pdev); if (rc) return rc; /* Any chip specific setup/optimisation/messages here */ ata_pci_bmdma_clear_simplex(pdev); /* And let the library code do the work */ return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0); } static const struct pci_device_id netcell_pci_tbl[] = { { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), }, { } /* terminate list */ }; static struct pci_driver netcell_pci_driver = { .name = DRV_NAME, .id_table = netcell_pci_tbl, .probe = netcell_init_one, .remove = ata_pci_remove_one, #ifdef CONFIG_PM .suspend = ata_pci_device_suspend, .resume = ata_pci_device_resume, #endif }; static int __init netcell_init(void) { return pci_register_driver(&netcell_pci_driver); } static void __exit netcell_exit(void) { pci_unregister_driver(&netcell_pci_driver); } module_init(netcell_init); module_exit(netcell_exit); MODULE_AUTHOR("Alan Cox"); MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, netcell_pci_tbl); MODULE_VERSION(DRV_VERSION);