| 1 | |
| 2 | |
| 3 | * pata_netcell.c - Netcell PATA driver
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| 4 | *
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| 5 | * (c) 2006 Red Hat
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| 6 |
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| 7 |
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| 8 | #include <linux/kernel.h>
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| 9 | #include <linux/module.h>
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| 10 | #include <linux/pci.h>
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| 11 | #include <linux/blkdev.h>
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| 12 | #include <linux/delay.h>
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| 13 | #include <linux/device.h>
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| 14 | #include <scsi/scsi_host.h>
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| 15 | #include <linux/libata.h>
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| 16 | #include <linux/ata.h>
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| 17 |
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| 18 | #define DRV_NAME "pata_netcell"
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| 19 | #define DRV_VERSION "0.1.7"
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| 20 |
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| 21 |
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| 22 |
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| 23 | static unsigned int netcell_read_id(struct ata_device *adev,
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| 24 | struct ata_taskfile *tf, __le16 *id)
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| 25 | {
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| 26 | unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
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| 27 |
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| 28 |
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| 29 | if (err_mask == 0)
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| 30 | id[ATA_ID_CSF_DEFAULT] |= cpu_to_le16(0x4000);
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| 31 | return err_mask;
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| 32 | }
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| 33 |
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| 34 | static const struct scsi_host_template netcell_sht = {
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| 35 | ATA_BMDMA_SHT(DRV_NAME),
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| 36 | };
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| 37 |
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| 38 | static struct ata_port_operations netcell_ops = {
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| 39 | .inherits = &ata_bmdma_port_ops,
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| 40 | .cable_detect = ata_cable_80wire,
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| 41 | .read_id = netcell_read_id,
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| 42 | };
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| 43 |
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| 44 |
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| 45 | |
| 46 | * netcell_init_one - Register Netcell ATA PCI device with kernel services
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| 47 | * @pdev: PCI device to register
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| 48 | * @ent: Entry in netcell_pci_tbl matching with @pdev
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| 49 | *
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| 50 | * Called from kernel PCI layer.
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| 51 | *
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| 52 | * LOCKING:
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| 53 | * Inherited from PCI layer (may sleep).
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| 54 | *
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| 55 | * RETURNS:
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| 56 | * Zero on success, or -ERRNO value.
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| 57 |
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| 58 |
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| 59 | static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
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| 60 | {
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| 61 | static const struct ata_port_info info = {
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| 62 | .flags = ATA_FLAG_SLAVE_POSS,
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| 63 | |
| 64 | firmware deals with it
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| 65 | .pio_mask = ATA_PIO4,
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| 66 | .mwdma_mask = ATA_MWDMA2,
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| 67 | .udma_mask = ATA_UDMA5,
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| 68 | .port_ops = &netcell_ops,
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| 69 | };
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| 70 | const struct ata_port_info *port_info[] = { &info, NULL };
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| 71 | int rc;
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| 72 |
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| 73 | ata_print_version_once(&pdev->dev, DRV_VERSION);
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| 74 |
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| 75 | rc = pcim_enable_device(pdev);
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| 76 | if (rc)
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| 77 | return rc;
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| 78 |
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| 79 |
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| 80 | ata_pci_bmdma_clear_simplex(pdev);
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| 81 |
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| 82 |
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| 83 | return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
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| 84 | }
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| 85 |
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| 86 | static const struct pci_device_id netcell_pci_tbl[] = {
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| 87 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
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| 88 |
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| 89 | { }
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| 90 | };
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| 91 |
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| 92 | static struct pci_driver netcell_pci_driver = {
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| 93 | .name = DRV_NAME,
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| 94 | .id_table = netcell_pci_tbl,
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| 95 | .probe = netcell_init_one,
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| 96 | .remove = ata_pci_remove_one,
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| 97 | #ifdef CONFIG_PM_SLEEP
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| 98 | .suspend = ata_pci_device_suspend,
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| 99 | .resume = ata_pci_device_resume,
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| 100 | #endif
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| 101 | };
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| 102 |
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| 103 | module_pci_driver(netcell_pci_driver);
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| 104 |
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| 105 | MODULE_AUTHOR("Alan Cox");
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| 106 | MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
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| 107 | MODULE_LICENSE("GPL");
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| 108 | MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
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| 109 | MODULE_VERSION(DRV_VERSION);
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