diff options
Diffstat (limited to 'drivers/staging/sbe-2t3e3/module.c')
| -rw-r--r-- | drivers/staging/sbe-2t3e3/module.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/drivers/staging/sbe-2t3e3/module.c b/drivers/staging/sbe-2t3e3/module.c deleted file mode 100644 index a6f93a43d216..000000000000 --- a/drivers/staging/sbe-2t3e3/module.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * SBE 2T3E3 synchronous serial card driver for Linux - * - * Copyright (C) 2009-2010 Krzysztof Halasa <khc@pm.waw.pl> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This code is based on a driver written by SBE Inc. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/hdlc.h> -#include <linux/if_arp.h> -#include <linux/interrupt.h> -#include "2t3e3.h" - -static void check_leds(unsigned long arg) -{ - struct card *card = (struct card *)arg; - struct channel *channel0 = &card->channels[0]; - static int blinker; - - update_led(channel0, ++blinker); - if (has_two_ports(channel0->pdev)) - update_led(&card->channels[1], blinker); - - card->timer.expires = jiffies + HZ / 10; - add_timer(&card->timer); -} - -static void t3e3_remove_channel(struct channel *channel) -{ - struct pci_dev *pdev = channel->pdev; - struct net_device *dev = channel->dev; - - /* system hangs if board asserts irq while module is unloaded */ - cpld_stop_intr(channel); - free_irq(dev->irq, dev); - dc_drop_descriptor_list(channel); - unregister_hdlc_device(dev); - free_netdev(dev); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); -} - -static int t3e3_init_channel(struct channel *channel, struct pci_dev *pdev, struct card *card) -{ - struct net_device *dev; - unsigned int val; - int err; - - err = pci_enable_device(pdev); - if (err) - return err; - - err = pci_request_regions(pdev, "SBE 2T3E3"); - if (err) - goto disable; - - dev = alloc_hdlcdev(channel); - if (!dev) { - pr_err("Out of memory\n"); - err = -ENOMEM; - goto free_regions; - } - - t3e3_sc_init(channel); - dev_to_priv(dev) = channel; - - channel->pdev = pdev; - channel->dev = dev; - channel->card = card; - channel->addr = pci_resource_start(pdev, 0); - if (pdev->subsystem_device == PCI_SUBDEVICE_ID_SBE_2T3E3_P1) - channel->h.slot = 1; - else - channel->h.slot = 0; - - err = setup_device(dev, channel); - if (err) - goto free_dev; - - pci_read_config_dword(channel->pdev, 0x40, &val); /* mask sleep mode */ - pci_write_config_dword(channel->pdev, 0x40, val & 0x3FFFFFFF); - - pci_read_config_byte(channel->pdev, PCI_CACHE_LINE_SIZE, &channel->h.cache_size); - pci_read_config_dword(channel->pdev, PCI_COMMAND, &channel->h.command); - t3e3_init(channel); - - err = request_irq(dev->irq, &t3e3_intr, IRQF_SHARED, dev->name, dev); - if (err) { - netdev_warn(channel->dev, "%s: could not get irq: %d\n", - dev->name, dev->irq); - goto unregister_dev; - } - - pci_set_drvdata(pdev, channel); - return 0; - -unregister_dev: - unregister_hdlc_device(dev); -free_dev: - free_netdev(dev); -free_regions: - pci_release_regions(pdev); -disable: - pci_disable_device(pdev); - return err; -} - -static void t3e3_remove_card(struct pci_dev *pdev) -{ - struct channel *channel0 = pci_get_drvdata(pdev); - struct card *card = channel0->card; - - del_timer_sync(&card->timer); - if (has_two_ports(channel0->pdev)) { - t3e3_remove_channel(&card->channels[1]); - pci_dev_put(card->channels[1].pdev); - } - t3e3_remove_channel(channel0); - kfree(card); -} - -static int t3e3_init_card(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - /* pdev points to channel #0 */ - struct pci_dev *pdev1 = NULL; - struct card *card; - int channels = 1, err; - - if (has_two_ports(pdev)) { - while ((pdev1 = pci_get_subsys(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142, - PCI_VENDOR_ID_SBE, PCI_SUBDEVICE_ID_SBE_2T3E3_P1, - pdev1))) - if (pdev1->bus == pdev->bus && - pdev1->devfn == pdev->devfn + 8 /* next device on the same bus */) - break; /* found the second channel */ - - if (!pdev1) { - dev_err(&pdev->dev, "Can't find the second channel\n"); - return -EFAULT; - } - channels = 2; - /* holds the reference for pdev1 */ - } - - card = kzalloc(sizeof(struct card) + channels * sizeof(struct channel), - GFP_KERNEL); - if (!card) - return -ENOBUFS; - - spin_lock_init(&card->bootrom_lock); - card->bootrom_addr = pci_resource_start(pdev, 0); - - err = t3e3_init_channel(&card->channels[0], pdev, card); - if (err) - goto free_card; - - if (channels == 2) { - err = t3e3_init_channel(&card->channels[1], pdev1, card); - if (err) { - t3e3_remove_channel(&card->channels[0]); - goto free_card; - } - } - - /* start LED timer */ - init_timer(&card->timer); - card->timer.function = check_leds; - card->timer.expires = jiffies + HZ / 10; - card->timer.data = (unsigned long)card; - add_timer(&card->timer); - return 0; - -free_card: - kfree(card); - return err; -} - -static struct pci_device_id t3e3_pci_tbl[] = { - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142, - PCI_VENDOR_ID_SBE, PCI_SUBDEVICE_ID_SBE_T3E3, 0, 0, 0 }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142, - PCI_VENDOR_ID_SBE, PCI_SUBDEVICE_ID_SBE_2T3E3_P0, 0, 0, 0 }, - /* channel 1 will be initialized after channel 0 */ - { 0, } -}; - -static struct pci_driver t3e3_pci_driver = { - .name = "SBE T3E3", - .id_table = t3e3_pci_tbl, - .probe = t3e3_init_card, - .remove = t3e3_remove_card, -}; - -module_pci_driver(t3e3_pci_driver); -MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(pci, t3e3_pci_tbl); |