--- /dev/null
+/*
+ * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
+ * Portions (C) Copyright 2002 Red Hat Inc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * For the avoidance of doubt the "preferred form" of this code is one which
+ * is in an open non patent encumbered format. Where cryptographic key signing
+ * forms part of the process of creating an executable the information
+ * including keys needed to generate an equivalently functional executable
+ * are deemed to be part of the source code.
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+
+#define DRV_NAME "ide_pci_generic"
+
+static bool ide_generic_all; /* Set to claim all devices */
+
+module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
+MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
+
+static void netcell_quirkproc(ide_drive_t *drive)
+{
+ /* mark words 85-87 as valid */
+ drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
+}
+
+static const struct ide_port_ops netcell_port_ops = {
+ .quirkproc = netcell_quirkproc,
+};
+
+#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
+ { \
+ .name = DRV_NAME, \
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
+ extra_flags, \
+ .swdma_mask = ATA_SWDMA2, \
+ .mwdma_mask = ATA_MWDMA2, \
+ .udma_mask = ATA_UDMA6, \
+ }
+
+static const struct ide_port_info generic_chipsets[] = {
+ /* 0: Unknown */
+ DECLARE_GENERIC_PCI_DEV(0),
+
+ { /* 1: NS87410 */
+ .name = DRV_NAME,
+ .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} },
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
+ .swdma_mask = ATA_SWDMA2,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ },
+
+ /* 2: SAMURAI / HT6565 / HINT_IDE */
+ DECLARE_GENERIC_PCI_DEV(0),
+ /* 3: UM8673F / UM8886A / UM8886BF */
+ DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA),
+ /* 4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */
+ DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA),
+
+ { /* 5: VIA8237SATA */
+ .name = DRV_NAME,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
+ IDE_HFLAG_OFF_BOARD,
+ .swdma_mask = ATA_SWDMA2,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ },
+
+ { /* 6: Revolution */
+ .name = DRV_NAME,
+ .port_ops = &netcell_port_ops,
+ .host_flags = IDE_HFLAG_CLEAR_SIMPLEX |
+ IDE_HFLAG_TRUST_BIOS_FOR_DMA |
+ IDE_HFLAG_OFF_BOARD,
+ .swdma_mask = ATA_SWDMA2,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ }
+};
+
+/**
+ * generic_init_one - called when a PIIX is found
+ * @dev: the generic device
+ * @id: the matching pci id
+ *
+ * Called when the PCI registration layer (or the IDE initialization)
+ * finds a device matching our IDE device tables.
+ */
+
+static int generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ const struct ide_port_info *d = &generic_chipsets[id->driver_data];
+ int ret = -ENODEV;
+
+ /* Don't use the generic entry unless instructed to do so */
+ if (id->driver_data == 0 && ide_generic_all == 0)
+ goto out;
+
+ switch (dev->vendor) {
+ case PCI_VENDOR_ID_UMC:
+ if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
+ !(PCI_FUNC(dev->devfn) & 1))
+ goto out; /* UM8886A/BF pair */
+ break;
+ case PCI_VENDOR_ID_OPTI:
+ if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
+ !(PCI_FUNC(dev->devfn) & 1))
+ goto out;
+ break;
+ case PCI_VENDOR_ID_JMICRON:
+ if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
+ PCI_FUNC(dev->devfn) != 1)
+ goto out;
+ break;
+ case PCI_VENDOR_ID_NS:
+ if (dev->device == PCI_DEVICE_ID_NS_87410 &&
+ (dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
+ goto out;
+ break;
+ }
+
+ if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
+ u16 command;
+ pci_read_config_word(dev, PCI_COMMAND, &command);
+ if (!(command & PCI_COMMAND_IO)) {
+ printk(KERN_INFO "%s %s: skipping disabled "
+ "controller\n", d->name, pci_name(dev));
+ goto out;
+ }
+ }
+ ret = ide_pci_init_one(dev, d, NULL);
+out:
+ return ret;
+}
+
+static const struct pci_device_id generic_pci_tbl[] = {
+ { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 },
+ { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 },
+ { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 2 },
+ { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 3 },
+ { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 3 },
+ { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 3 },
+ { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 2 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 4 },
+ { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 4 },
+#ifdef CONFIG_BLK_DEV_IDE_SATA
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 5 },
+#endif
+ { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 4 },
+ { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 4 },
+ { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_3), 4 },
+ { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_5), 4 },
+ { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 6 },
+ /*
+ * Must come last. If you add entries adjust
+ * this table and generic_chipsets[] appropriately.
+ */
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
+ { 0, },
+};
+MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
+
+static struct pci_driver generic_pci_driver = {
+ .name = "PCI_IDE",
+ .id_table = generic_pci_tbl,
+ .probe = generic_init_one,
+ .remove = ide_pci_remove,
+ .suspend = ide_pci_suspend,
+ .resume = ide_pci_resume,
+};
+
+static int __init generic_ide_init(void)
+{
+ return ide_pci_register_driver(&generic_pci_driver);
+}
+
+static void __exit generic_ide_exit(void)
+{
+ pci_unregister_driver(&generic_pci_driver);
+}
+
+module_init(generic_ide_init);
+module_exit(generic_ide_exit);
+
+MODULE_AUTHOR("Andre Hedrick");
+MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff