--- /dev/null
+/************************************************************************
+ * Copyright 2003 Digi International (www.digi.com)
+ *
+ * Copyright (C) 2004 IBM Corporation. All rights reserved.
+ *
+ * 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, EXPRESS OR IMPLIED; without even the
+ * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 * Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * Contact Information:
+ * Scott H Kilau <Scott_Kilau@digi.com>
+ * Wendy Xiong <wendyx@us.ltcfwd.linux.ibm.com>
+ *
+ ***********************************************************************/
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+
+#include "jsm.h"
+
+MODULE_AUTHOR("Digi International, http://www.digi.com");
+MODULE_DESCRIPTION("Driver for the Digi International "
+ "Neo PCI based product line");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("jsm");
+
+#define JSM_DRIVER_NAME "jsm"
+#define NR_PORTS 32
+#define JSM_MINOR_START 0
+
+struct uart_driver jsm_uart_driver = {
+ .owner = THIS_MODULE,
+ .driver_name = JSM_DRIVER_NAME,
+ .dev_name = "ttyn",
+ .major = 253,
+ .minor = JSM_MINOR_START,
+ .nr = NR_PORTS,
+};
+
+int jsm_debug;
+int jsm_rawreadok;
+module_param(jsm_debug, int, 0);
+module_param(jsm_rawreadok, int, 0);
+MODULE_PARM_DESC(jsm_debug, "Driver debugging level");
+MODULE_PARM_DESC(jsm_rawreadok, "Bypass flip buffers on input");
+
+static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int rc = 0;
+ struct jsm_board *brd;
+ static int adapter_count = 0;
+ int retval;
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ dev_err(&pdev->dev, "Device enable FAILED\n");
+ goto out;
+ }
+
+ rc = pci_request_regions(pdev, "jsm");
+ if (rc) {
+ dev_err(&pdev->dev, "pci_request_region FAILED\n");
+ goto out_disable_device;
+ }
+
+ brd = kmalloc(sizeof(struct jsm_board), GFP_KERNEL);
+ if (!brd) {
+ dev_err(&pdev->dev,
+ "memory allocation for board structure failed\n");
+ rc = -ENOMEM;
+ goto out_release_regions;
+ }
+ memset(brd, 0, sizeof(struct jsm_board));
+
+ /* store the info for the board we've found */
+ brd->boardnum = adapter_count++;
+ brd->pci_dev = pdev;
+ brd->maxports = 2;
+
+ spin_lock_init(&brd->bd_lock);
+ spin_lock_init(&brd->bd_intr_lock);
+
+ /* store which revision we have */
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &brd->rev);
+
+ brd->irq = pdev->irq;
+
+ jsm_printk(INIT, INFO, &brd->pci_dev,
+ "jsm_found_board - NEO adapter\n");
+
+ /* get the PCI Base Address Registers */
+ brd->membase = pci_resource_start(pdev, 0);
+ brd->membase_end = pci_resource_end(pdev, 0);
+
+ if (brd->membase & 1)
+ brd->membase &= ~3;
+ else
+ brd->membase &= ~15;
+
+ /* Assign the board_ops struct */
+ brd->bd_ops = &jsm_neo_ops;
+
+ brd->bd_uart_offset = 0x200;
+ brd->bd_dividend = 921600;
+
+ brd->re_map_membase = ioremap(brd->membase, 0x1000);
+ if (!brd->re_map_membase) {
+ dev_err(&pdev->dev,
+ "card has no PCI Memory resources, "
+ "failing board.\n");
+ rc = -ENOMEM;
+ goto out_kfree_brd;
+ }
+
+ rc = request_irq(brd->irq, brd->bd_ops->intr,
+ SA_INTERRUPT|SA_SHIRQ, "JSM", brd);
+ if (rc) {
+ printk(KERN_WARNING "Failed to hook IRQ %d\n",brd->irq);
+ goto out_iounmap;
+ }
+
+ rc = jsm_tty_init(brd);
+ if (rc < 0) {
+ dev_err(&pdev->dev, "Can't init tty devices (%d)\n", rc);
+ retval = -ENXIO;
+ goto out_free_irq;
+ }
+
+ rc = jsm_uart_port_init(brd);
+ if (rc < 0) {
+ /* XXX: leaking all resources from jsm_tty_init here! */
+ dev_err(&pdev->dev, "Can't init uart port (%d)\n", rc);
+ retval = -ENXIO;
+ goto out_free_irq;
+ }
+
+ /* Log the information about the board */
+ dev_info(&pdev->dev, "board %d: Digi Neo (rev %d), irq %d\n",
+ adapter_count, brd->rev, brd->irq);
+
+ /*
+ * allocate flip buffer for board.
+ *
+ * Okay to malloc with GFP_KERNEL, we are not at interrupt
+ * context, and there are no locks held.
+ */
+ brd->flipbuf = kmalloc(MYFLIPLEN, GFP_KERNEL);
+ if (!brd->flipbuf) {
+ /* XXX: leaking all resources from jsm_tty_init and
+ jsm_uart_port_init here! */
+ dev_err(&pdev->dev, "memory allocation for flipbuf failed\n");
+ retval = -ENOMEM;
+ goto out_free_irq;
+ }
+ memset(brd->flipbuf, 0, MYFLIPLEN);
+
+ pci_set_drvdata(pdev, brd);
+
+ return 0;
+ out_free_irq:
+ free_irq(brd->irq, brd);
+ out_iounmap:
+ iounmap(brd->re_map_membase);
+ out_kfree_brd:
+ kfree(brd);
+ out_release_regions:
+ pci_release_regions(pdev);
+ out_disable_device:
+ pci_disable_device(pdev);
+ out:
+ return rc;
+}
+
+static void jsm_remove_one(struct pci_dev *pdev)
+{
+ struct jsm_board *brd = pci_get_drvdata(pdev);
+ int i = 0;
+
+ jsm_remove_uart_port(brd);
+
+ free_irq(brd->irq, brd);
+ iounmap(brd->re_map_membase);
+
+ /* Free all allocated channels structs */
+ for (i = 0; i < brd->maxports; i++) {
+ if (brd->channels[i]) {
+ kfree(brd->channels[i]->ch_rqueue);
+ kfree(brd->channels[i]->ch_equeue);
+ kfree(brd->channels[i]->ch_wqueue);
+ kfree(brd->channels[i]);
+ }
+ }
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ kfree(brd->flipbuf);
+ kfree(brd);
+}
+
+static struct pci_device_id jsm_pci_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9), 0, 0, 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9PRI), 0, 0, 1 },
+ { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45PRI), 0, 0, 3 },
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, jsm_pci_tbl);
+
+static struct pci_driver jsm_driver = {
+ .name = "jsm",
+ .id_table = jsm_pci_tbl,
+ .probe = jsm_probe_one,
+ .remove = __devexit_p(jsm_remove_one),
+};
+
+static int __init jsm_init_module(void)
+{
+ int rc;
+
+ rc = uart_register_driver(&jsm_uart_driver);
+ if (!rc) {
+ rc = pci_register_driver(&jsm_driver);
+ if (rc)
+ uart_unregister_driver(&jsm_uart_driver);
+ }
+ return rc;
+}
+
+static void __exit jsm_exit_module(void)
+{
+ pci_unregister_driver(&jsm_driver);
+ uart_unregister_driver(&jsm_uart_driver);
+}
+
+module_init(jsm_init_module);
+module_exit(jsm_exit_module);
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