| /* orinoco_tmd.c |
| * |
| * Driver for Prism II devices which would usually be driven by orinoco_cs, |
| * but are connected to the PCI bus by a TMD7160. |
| * |
| * Copyright (C) 2003 Joerg Dorchain <joerg AT dorchain.net> |
| * based heavily upon orinoco_plx.c Copyright (C) 2001 Daniel Barlow |
| * |
| * The contents of this file are subject to the Mozilla Public License |
| * Version 1.1 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License |
| * at http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" |
| * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
| * the License for the specific language governing rights and |
| * limitations under the License. |
| * |
| * Alternatively, the contents of this file may be used under the |
| * terms of the GNU General Public License version 2 (the "GPL"), in |
| * which case the provisions of the GPL are applicable instead of the |
| * above. If you wish to allow the use of your version of this file |
| * only under the terms of the GPL and not to allow others to use your |
| * version of this file under the MPL, indicate your decision by |
| * deleting the provisions above and replace them with the notice and |
| * other provisions required by the GPL. If you do not delete the |
| * provisions above, a recipient may use your version of this file |
| * under either the MPL or the GPL. |
| * |
| * The actual driving is done by orinoco.c, this is just resource |
| * allocation stuff. |
| * |
| * This driver is modeled after the orinoco_plx driver. The main |
| * difference is that the TMD chip has only IO port ranges and doesn't |
| * provide access to the PCMCIA attribute space. |
| * |
| * Pheecom sells cards with the TMD chip as "ASIC version" |
| */ |
| |
| #define DRIVER_NAME "orinoco_tmd" |
| #define PFX DRIVER_NAME ": " |
| |
| #include <linux/config.h> |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <pcmcia/cisreg.h> |
| |
| #include "orinoco.h" |
| #include "orinoco_pci.h" |
| |
| #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ |
| #define COR_RESET (0x80) /* reset bit in the COR register */ |
| #define TMD_RESET_TIME (500) /* milliseconds */ |
| |
| /* |
| * Do a soft reset of the card using the Configuration Option Register |
| */ |
| static int orinoco_tmd_cor_reset(struct orinoco_private *priv) |
| { |
| hermes_t *hw = &priv->hw; |
| struct orinoco_pci_card *card = priv->card; |
| unsigned long timeout; |
| u16 reg; |
| |
| iowrite8(COR_VALUE | COR_RESET, card->bridge_io); |
| mdelay(1); |
| |
| iowrite8(COR_VALUE, card->bridge_io); |
| mdelay(1); |
| |
| /* Just in case, wait more until the card is no longer busy */ |
| timeout = jiffies + (TMD_RESET_TIME * HZ / 1000); |
| reg = hermes_read_regn(hw, CMD); |
| while (time_before(jiffies, timeout) && (reg & HERMES_CMD_BUSY)) { |
| mdelay(1); |
| reg = hermes_read_regn(hw, CMD); |
| } |
| |
| /* Still busy? */ |
| if (reg & HERMES_CMD_BUSY) { |
| printk(KERN_ERR PFX "Busy timeout\n"); |
| return -ETIMEDOUT; |
| } |
| |
| return 0; |
| } |
| |
| |
| static int orinoco_tmd_init_one(struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| int err; |
| struct orinoco_private *priv; |
| struct orinoco_pci_card *card; |
| struct net_device *dev; |
| void __iomem *hermes_io, *bridge_io; |
| |
| err = pci_enable_device(pdev); |
| if (err) { |
| printk(KERN_ERR PFX "Cannot enable PCI device\n"); |
| return err; |
| } |
| |
| err = pci_request_regions(pdev, DRIVER_NAME); |
| if (err) { |
| printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); |
| goto fail_resources; |
| } |
| |
| bridge_io = pci_iomap(pdev, 1, 0); |
| if (!bridge_io) { |
| printk(KERN_ERR PFX "Cannot map bridge registers\n"); |
| err = -EIO; |
| goto fail_map_bridge; |
| } |
| |
| hermes_io = pci_iomap(pdev, 2, 0); |
| if (!hermes_io) { |
| printk(KERN_ERR PFX "Cannot map chipset registers\n"); |
| err = -EIO; |
| goto fail_map_hermes; |
| } |
| |
| /* Allocate network device */ |
| dev = alloc_orinocodev(sizeof(*card), orinoco_tmd_cor_reset); |
| if (!dev) { |
| printk(KERN_ERR PFX "Cannot allocate network device\n"); |
| err = -ENOMEM; |
| goto fail_alloc; |
| } |
| |
| priv = netdev_priv(dev); |
| card = priv->card; |
| card->bridge_io = bridge_io; |
| SET_MODULE_OWNER(dev); |
| SET_NETDEV_DEV(dev, &pdev->dev); |
| |
| hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); |
| |
| err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, |
| dev->name, dev); |
| if (err) { |
| printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq); |
| err = -EBUSY; |
| goto fail_irq; |
| } |
| orinoco_pci_setup_netdev(dev, pdev, 2); |
| |
| err = orinoco_tmd_cor_reset(priv); |
| if (err) { |
| printk(KERN_ERR PFX "Initial reset failed\n"); |
| goto fail; |
| } |
| |
| err = register_netdev(dev); |
| if (err) { |
| printk(KERN_ERR PFX "Cannot register network device\n"); |
| goto fail; |
| } |
| |
| pci_set_drvdata(pdev, dev); |
| |
| return 0; |
| |
| fail: |
| free_irq(pdev->irq, dev); |
| |
| fail_irq: |
| pci_set_drvdata(pdev, NULL); |
| free_orinocodev(dev); |
| |
| fail_alloc: |
| pci_iounmap(pdev, hermes_io); |
| |
| fail_map_hermes: |
| pci_iounmap(pdev, bridge_io); |
| |
| fail_map_bridge: |
| pci_release_regions(pdev); |
| |
| fail_resources: |
| pci_disable_device(pdev); |
| |
| return err; |
| } |
| |
| static void __devexit orinoco_tmd_remove_one(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct orinoco_private *priv = dev->priv; |
| struct orinoco_pci_card *card = priv->card; |
| |
| unregister_netdev(dev); |
| free_irq(dev->irq, dev); |
| pci_set_drvdata(pdev, NULL); |
| free_orinocodev(dev); |
| pci_iounmap(pdev, priv->hw.iobase); |
| pci_iounmap(pdev, card->bridge_io); |
| pci_release_regions(pdev); |
| pci_disable_device(pdev); |
| } |
| |
| static struct pci_device_id orinoco_tmd_id_table[] = { |
| {0x15e8, 0x0131, PCI_ANY_ID, PCI_ANY_ID,}, /* NDC and OEMs, e.g. pheecom */ |
| {0,}, |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, orinoco_tmd_id_table); |
| |
| static struct pci_driver orinoco_tmd_driver = { |
| .name = DRIVER_NAME, |
| .id_table = orinoco_tmd_id_table, |
| .probe = orinoco_tmd_init_one, |
| .remove = __devexit_p(orinoco_tmd_remove_one), |
| .suspend = orinoco_pci_suspend, |
| .resume = orinoco_pci_resume, |
| }; |
| |
| static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION |
| " (Joerg Dorchain <joerg@dorchain.net>)"; |
| MODULE_AUTHOR("Joerg Dorchain <joerg@dorchain.net>"); |
| MODULE_DESCRIPTION("Driver for wireless LAN cards using the TMD7160 PCI bridge"); |
| MODULE_LICENSE("Dual MPL/GPL"); |
| |
| static int __init orinoco_tmd_init(void) |
| { |
| printk(KERN_DEBUG "%s\n", version); |
| return pci_module_init(&orinoco_tmd_driver); |
| } |
| |
| static void __exit orinoco_tmd_exit(void) |
| { |
| pci_unregister_driver(&orinoco_tmd_driver); |
| } |
| |
| module_init(orinoco_tmd_init); |
| module_exit(orinoco_tmd_exit); |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * tab-width: 8 |
| * End: |
| */ |