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path: root/drivers/eisa/pci_eisa.c
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Diffstat (limited to 'drivers/eisa/pci_eisa.c')
-rw-r--r--drivers/eisa/pci_eisa.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/eisa/pci_eisa.c b/drivers/eisa/pci_eisa.c
new file mode 100644
index 000000000000..9e913629ef39
--- /dev/null
+++ b/drivers/eisa/pci_eisa.c
@@ -0,0 +1,66 @@
+/*
+ * Minimalist driver for a generic PCI-to-EISA bridge.
+ *
+ * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
+ *
+ * This code is released under the GPL version 2.
+ *
+ * Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
+ * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/eisa.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+/* There is only *one* pci_eisa device per machine, right ? */
+static struct eisa_root_device pci_eisa_root;
+
+static int __devinit pci_eisa_init (struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ int rc;
+
+ if ((rc = pci_enable_device (pdev))) {
+ printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
+ pci_name(pdev));
+ return rc;
+ }
+
+ pci_eisa_root.dev = &pdev->dev;
+ pci_eisa_root.dev->driver_data = &pci_eisa_root;
+ pci_eisa_root.res = pdev->bus->resource[0];
+ pci_eisa_root.bus_base_addr = pdev->bus->resource[0]->start;
+ pci_eisa_root.slots = EISA_MAX_SLOTS;
+ pci_eisa_root.dma_mask = pdev->dma_mask;
+
+ if (eisa_root_register (&pci_eisa_root)) {
+ printk (KERN_ERR "pci_eisa : Could not register EISA root\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static struct pci_device_id pci_eisa_pci_tbl[] = {
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
+ { 0, }
+};
+
+static struct pci_driver pci_eisa_driver = {
+ .name = "pci_eisa",
+ .id_table = pci_eisa_pci_tbl,
+ .probe = pci_eisa_init,
+};
+
+static int __init pci_eisa_init_module (void)
+{
+ return pci_register_driver (&pci_eisa_driver);
+}
+
+device_initcall(pci_eisa_init_module);
+MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);