diff options
Diffstat (limited to 'drivers/ata/pata_netcell.c')
| -rw-r--r-- | drivers/ata/pata_netcell.c | 139 |
1 files changed, 36 insertions, 103 deletions
diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index 76eb9c90bee..0ea18331d46 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -1,13 +1,12 @@ /* * pata_netcell.c - Netcell PATA driver * - * (c) 2006 Red Hat <alan@redhat.com> + * (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> @@ -16,88 +15,28 @@ #include <linux/ata.h> #define DRV_NAME "pata_netcell" -#define DRV_VERSION "0.1.5" +#define DRV_VERSION "0.1.7" -/** - * netcell_probe_init - check for 40/80 pin - * @ap: Port - * - * Cables are handled by the RAID controller. Report 80 pin. - */ - -static int netcell_pre_reset(struct ata_port *ap) -{ - ap->cbl = ATA_CBL_PATA80; - return ata_std_prereset(ap); -} - -/** - * netcell_probe_reset - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ +/* No PIO or DMA methods needed for this device */ -static void netcell_error_handler(struct ata_port *ap) +static unsigned int netcell_read_id(struct ata_device *adev, + struct ata_taskfile *tf, u16 *id) { - return ata_bmdma_drive_eh(ap, netcell_pre_reset, ata_std_softreset, NULL, ata_std_postreset); + 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; } -/* 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, - /* Special handling needed if you have sector or LBA48 limits */ - .max_sectors = ATA_MAX_SECTORS, - .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, - /* Use standard CHS mapping rules */ - .bios_param = ata_std_bios_param, + ATA_BMDMA_SHT(DRV_NAME), }; -static const struct ata_port_operations netcell_ops = { - .port_disable = ata_port_disable, - - /* 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 = netcell_error_handler, - .post_internal_cmd = ata_bmdma_post_internal_cmd, - - /* 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_pio_data_xfer, - - /* IRQ-related hooks */ - .irq_handler = ata_interrupt, - .irq_clear = ata_bmdma_irq_clear, - - /* Generic PATA PCI ATA helpers */ - .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, +static struct ata_port_operations netcell_ops = { + .inherits = &ata_bmdma_port_ops, + .cable_detect = ata_cable_80wire, + .read_id = netcell_read_id, }; @@ -117,32 +56,34 @@ static const struct ata_port_operations netcell_ops = { static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { - static int printed_version; - static struct ata_port_info info = { - .sht = &netcell_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + 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 = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma0-2 */ - .udma_mask = 0x3f, /* UDMA 133 */ + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA5, /* UDMA 133 */ .port_ops = &netcell_ops, }; - static struct ata_port_info *port_info[2] = { &info, &info }; + const struct ata_port_info *port_info[] = { &info, NULL }; + int rc; - if (!printed_version++) - dev_printk(KERN_DEBUG, &pdev->dev, - "version " DRV_VERSION "\n"); + ata_print_version_once(&pdev->dev, DRV_VERSION); + + rc = pcim_enable_device(pdev); + if (rc) + return rc; /* Any chip specific setup/optimisation/messages here */ - ata_pci_clear_simplex(pdev); + ata_pci_bmdma_clear_simplex(pdev); /* And let the library code do the work */ - return ata_pci_init_one(pdev, port_info, 2); + return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0); } static const struct pci_device_id netcell_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_NETCELL, PCI_DEVICE_ID_REVOLUTION), }, + { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), }, + { } /* terminate list */ }; @@ -151,24 +92,16 @@ static struct pci_driver netcell_pci_driver = { .id_table = netcell_pci_tbl, .probe = netcell_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM_SLEEP + .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_pci_driver(netcell_pci_driver); 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); - |