/* * pata_netcell.c - Netcell PATA driver * * (c) 2006 Red Hat <alan@redhat.com> */ #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 struct scsi_host_template netcell_sht = { .module = THIS_MODULE, .name = DRV_NAME, .ioctl = ata_scsi_ioctl, .queuecommand = ata_scsi_queuecmd, .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, }; static const struct ata_port_operations netcell_ops = { /* Task file is PCI ATA format, use helpers */ .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, .exec_command = ata_exec_command, .dev_select = ata_std_dev_select, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .cable_detect = ata_cable_80wire, /* BMDMA handling is PCI ATA format, use helpers */ .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, .bmdma_stop = ata_bmdma_stop, .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, .data_xfer = ata_data_xfer, /* IRQ-related hooks */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, /* Generic PATA PCI ATA helpers */ .port_start = ata_sff_port_start, }; /** * 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 = { .sht = &netcell_sht, .flags = ATA_FLAG_SLAVE_POSS, /* Actually we don't really care about these as the firmware deals with it */ .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA5, /* UDMA 133 */ .port_ops = &netcell_ops, }; const struct ata_port_info *port_info[] = { &info, NULL }; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); /* Any chip specific setup/optimisation/messages here */ ata_pci_clear_simplex(pdev); /* And let the library code do the work */ return ata_pci_init_one(pdev, port_info); } 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);