patch-2.4.21 linux-2.4.21/drivers/ide/pci/generic.c
Next file: linux-2.4.21/drivers/ide/pci/generic.h
Previous file: linux-2.4.21/drivers/ide/pci/cy82c693.h
Back to the patch index
Back to the overall index
- Lines: 170
- Date:
2003-06-13 07:51:33.000000000 -0700
- Orig file:
linux-2.4.20/drivers/ide/pci/generic.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.20/drivers/ide/pci/generic.c linux-2.4.21/drivers/ide/pci/generic.c
@@ -0,0 +1,169 @@
+/*
+ * linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002
+ *
+ * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
+ * Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
+ *
+ * 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.
+ */
+
+#undef REALLY_SLOW_IO /* most systems can safely undef this */
+
+#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+#include <linux/ioport.h>
+#include <linux/blkdev.h>
+#include <linux/hdreg.h>
+#include <linux/pci.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+
+#include "generic.h"
+
+static unsigned int __init init_chipset_generic (struct pci_dev *dev, const char *name)
+{
+ return 0;
+}
+
+static void __init init_hwif_generic (ide_hwif_t *hwif)
+{
+ switch(hwif->pci_dev->device) {
+ case PCI_DEVICE_ID_UMC_UM8673F:
+ case PCI_DEVICE_ID_UMC_UM8886A:
+ case PCI_DEVICE_ID_UMC_UM8886BF:
+ hwif->irq = hwif->channel ? 15 : 14;
+ break;
+ default:
+ break;
+ }
+
+ if (!(hwif->dma_base))
+ return;
+
+ hwif->atapi_dma = 1;
+ hwif->ultra_mask = 0x7f;
+ hwif->mwdma_mask = 0x07;
+ hwif->swdma_mask = 0x07;
+
+ if (!noautodma)
+ hwif->autodma = 1;
+ hwif->drives[0].autodma = hwif->autodma;
+ hwif->drives[1].autodma = hwif->autodma;
+}
+
+static void init_dma_generic (ide_hwif_t *hwif, unsigned long dmabase)
+{
+ ide_setup_dma(hwif, dmabase, 8);
+}
+
+extern void ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
+
+#if 0
+
+ /* Logic to add back later on */
+
+ if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
+ ide_pci_device_t *unknown = unknown_chipset;
+// unknown->vendor = dev->vendor;
+// unknown->device = dev->device;
+ init_setup_unknown(dev, unknown);
+ return 1;
+ }
+ return 0;
+#endif
+
+/**
+ * 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 __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ ide_pci_device_t *d = &generic_chipsets[id->driver_data];
+ u16 command;
+
+ if (dev->device != d->device)
+ BUG();
+ if ((d->vendor == PCI_VENDOR_ID_UMC) &&
+ (d->device == PCI_DEVICE_ID_UMC_UM8886A) &&
+ (!(PCI_FUNC(dev->devfn) & 1)))
+ return 1; /* UM8886A/BF pair */
+
+ if ((d->vendor == PCI_VENDOR_ID_OPTI) &&
+ (d->device == PCI_DEVICE_ID_OPTI_82C558) &&
+ (!(PCI_FUNC(dev->devfn) & 1)))
+ return 1;
+
+ pci_read_config_word(dev, PCI_COMMAND, &command);
+ if(!(command & PCI_COMMAND_IO))
+ {
+ printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
+ return 1;
+ }
+ ide_setup_pci_device(dev, d);
+ MOD_INC_USE_COUNT;
+ return 0;
+}
+
+static struct pci_device_id generic_pci_tbl[] __devinitdata = {
+ { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+ { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
+ { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
+ { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
+ { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
+ { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
+ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
+ { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
+ { 0, },
+};
+
+static struct pci_driver driver = {
+ .name = "PCI IDE",
+ .id_table = generic_pci_tbl,
+ .probe = generic_init_one,
+};
+
+static int generic_ide_init(void)
+{
+ return ide_pci_register_driver(&driver);
+}
+
+static void generic_ide_exit(void)
+{
+ ide_pci_unregister_driver(&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");
+
+EXPORT_NO_SYMBOLS;
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)