diff options
Diffstat (limited to 'kernel/drivers/net/arcnet/com20020-pci.c')
| -rw-r--r-- | kernel/drivers/net/arcnet/com20020-pci.c | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/kernel/drivers/net/arcnet/com20020-pci.c b/kernel/drivers/net/arcnet/com20020-pci.c new file mode 100644 index 000000000..96edc1346 --- /dev/null +++ b/kernel/drivers/net/arcnet/com20020-pci.c @@ -0,0 +1,417 @@ +/* + * 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) |