--- /dev/null
+/*
+ * Linux ARCnet driver - COM20020 PCI support
+ * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
+ *
+ * Written 1994-1999 by Avery Pennarun,
+ * based on an ISA version by David Woodhouse.
+ * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
+ * Derived from skeleton.c by Donald Becker.
+ *
+ * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
+ * for sponsoring the further development of this driver.
+ *
+ * **********************
+ *
+ * The original copyright of skeleton.c was as follows:
+ *
+ * skeleton.c Written 1993 by Donald Becker.
+ * Copyright 1993 United States Government as represented by the
+ * Director, National Security Agency. This software may only be used
+ * and distributed according to the terms of the GNU General Public License as
+ * modified by SRC, incorporated herein by reference.
+ *
+ * **********************
+ *
+ * For more details, see drivers/net/arcnet.c
+ *
+ * **********************
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/arcdevice.h>
+#include <linux/com20020.h>
+#include <linux/list.h>
+
+#include <asm/io.h>
+
+
+#define VERSION "arcnet: COM20020 PCI support\n"
+
+/* Module parameters */
+
+static int node;
+static char device[9]; /* use eg. device="arc1" to change name */
+static int timeout = 3;
+static int backplane;
+static int clockp;
+static int clockm;
+
+module_param(node, int, 0);
+module_param_string(device, device, sizeof(device), 0);
+module_param(timeout, int, 0);
+module_param(backplane, int, 0);
+module_param(clockp, int, 0);
+module_param(clockm, int, 0);
+MODULE_LICENSE("GPL");
+
+static void com20020pci_remove(struct pci_dev *pdev);
+
+static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct com20020_pci_card_info *ci;
+ struct net_device *dev;
+ struct arcnet_local *lp;
+ struct com20020_priv *priv;
+ int i, ioaddr, ret;
+ struct resource *r;
+
+ if (pci_enable_device(pdev))
+ return -EIO;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
+ GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ ci = (struct com20020_pci_card_info *)id->driver_data;
+ priv->ci = ci;
+
+ INIT_LIST_HEAD(&priv->list_dev);
+
+
+ for (i = 0; i < ci->devcount; i++) {
+ struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
+ struct com20020_dev *card;
+
+ dev = alloc_arcdev(device);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto out_port;
+ }
+
+ dev->netdev_ops = &com20020_netdev_ops;
+
+ lp = netdev_priv(dev);
+
+ BUGMSG(D_NORMAL, "%s Controls\n", ci->name);
+ ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
+
+ r = devm_request_region(&pdev->dev, ioaddr, cm->size,
+ "com20020-pci");
+ if (!r) {
+ pr_err("IO region %xh-%xh already allocated.\n",
+ ioaddr, ioaddr + cm->size - 1);
+ ret = -EBUSY;
+ goto out_port;
+ }
+
+ /* Dummy access after Reset
+ * ARCNET controller needs
+ * this access to detect bustype
+ */
+ outb(0x00, ioaddr + 1);
+ inb(ioaddr + 1);
+
+ dev->base_addr = ioaddr;
+ dev->dev_addr[0] = node;
+ dev->irq = pdev->irq;
+ lp->card_name = "PCI COM20020";
+ lp->card_flags = ci->flags;
+ lp->backplane = backplane;
+ lp->clockp = clockp & 7;
+ lp->clockm = clockm & 3;
+ lp->timeout = timeout;
+ lp->hw.owner = THIS_MODULE;
+
+ if (ASTATUS() == 0xFF) {
+ pr_err("IO address %Xh is empty!\n", ioaddr);
+ ret = -EIO;
+ goto out_port;
+ }
+ if (com20020_check(dev)) {
+ ret = -EIO;
+ goto out_port;
+ }
+
+ card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
+ GFP_KERNEL);
+ if (!card) {
+ pr_err("%s out of memory!\n", __func__);
+ return -ENOMEM;
+ }
+
+ card->index = i;
+ card->pci_priv = priv;
+ card->dev = dev;
+
+ dev_set_drvdata(&dev->dev, card);
+
+ ret = com20020_found(dev, IRQF_SHARED);
+ if (ret)
+ goto out_port;
+
+ list_add(&card->list, &priv->list_dev);
+ }
+
+ pci_set_drvdata(pdev, priv);
+
+ return 0;
+
+out_port:
+ com20020pci_remove(pdev);
+ return ret;
+}
+
+static void com20020pci_remove(struct pci_dev *pdev)
+{
+ struct com20020_dev *card, *tmpcard;
+ struct com20020_priv *priv;
+
+ priv = pci_get_drvdata(pdev);
+
+ list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
+ struct net_device *dev = card->dev;
+
+ unregister_netdev(dev);
+ free_irq(dev->irq, dev);
+ free_netdev(dev);
+ }
+}
+
+static struct com20020_pci_card_info card_info_10mbit = {
+ .name = "ARC-PCI",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static struct com20020_pci_card_info card_info_5mbit = {
+ .name = "ARC-PCI",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_IS_5MBIT,
+};
+
+static struct com20020_pci_card_info card_info_sohard = {
+ .name = "PLX-PCI",
+ .devcount = 1,
+ /* SOHARD needs PCI base addr 4 */
+ .chan_map_tbl = {
+ {4, 0x00, 0x08},
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static struct com20020_pci_card_info card_info_eae_arc1 = {
+ .name = "EAE PLX-PCI ARC1",
+ .devcount = 1,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static struct com20020_pci_card_info card_info_eae_ma1 = {
+ .name = "EAE PLX-PCI MA1",
+ .devcount = 2,
+ .chan_map_tbl = {
+ { 2, 0x00, 0x08 },
+ { 2, 0x08, 0x08 }
+ },
+ .flags = ARC_CAN_10MBIT,
+};
+
+static const struct pci_device_id com20020pci_id_table[] = {
+ {
+ 0x1571, 0xa001,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa002,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa003,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa004,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0,
+ },
+ {
+ 0x1571, 0xa005,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa006,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa007,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa008,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ 0
+ },
+ {
+ 0x1571, 0xa009,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00a,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00b,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00c,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00d,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa00e,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_5mbit
+ },
+ {
+ 0x1571, 0xa201,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa202,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa203,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa204,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa205,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x1571, 0xa206,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x10B5, 0x9030,
+ 0x10B5, 0x2978,
+ 0, 0,
+ (kernel_ulong_t)&card_info_sohard
+ },
+ {
+ 0x10B5, 0x9050,
+ 0x10B5, 0x2273,
+ 0, 0,
+ (kernel_ulong_t)&card_info_sohard
+ },
+ {
+ 0x10B5, 0x9050,
+ 0x10B5, 0x3263,
+ 0, 0,
+ (kernel_ulong_t)&card_info_eae_arc1
+ },
+ {
+ 0x10B5, 0x9050,
+ 0x10B5, 0x3292,
+ 0, 0,
+ (kernel_ulong_t)&card_info_eae_ma1
+ },
+ {
+ 0x14BA, 0x6000,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ {
+ 0x10B5, 0x2200,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ (kernel_ulong_t)&card_info_10mbit
+ },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
+
+static struct pci_driver com20020pci_driver = {
+ .name = "com20020",
+ .id_table = com20020pci_id_table,
+ .probe = com20020pci_probe,
+ .remove = com20020pci_remove,
+};
+
+static int __init com20020pci_init(void)
+{
+ BUGLVL(D_NORMAL) printk(VERSION);
+ return pci_register_driver(&com20020pci_driver);
+}
+
+static void __exit com20020pci_cleanup(void)
+{
+ pci_unregister_driver(&com20020pci_driver);
+}
+
+module_init(com20020pci_init)
+module_exit(com20020pci_cleanup)
Code Review / kvmfornfv.git / blobdiff