11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2002 Intersil Americas Inc. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2003 Herbert Valerio Riedel <hvr@gnu.org> 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21a6b7a407865aab9f849dd99a71072b7cd1175116Alexey Dobriyan#include <linux/hardirq.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 235a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 26ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert#include <linux/ethtool.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 28d43c36dc6b357fa1806800f18aa30123c747a6d1Alexey Dobriyan#include <linux/sched.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/etherdevice.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/if_arp.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "prismcompat.h" 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "isl_38xx.h" 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "isl_ioctl.h" 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "islpci_dev.h" 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "islpci_mgt.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "islpci_eth.h" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "oid_mgt.h" 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ISL3877_IMAGE_FILE "isl3877" 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ISL3886_IMAGE_FILE "isl3886" 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ISL3890_IMAGE_FILE "isl3890" 46a830e6599263aa535e298f5f834f3a119050757fBen HutchingsMODULE_FIRMWARE(ISL3877_IMAGE_FILE); 47a830e6599263aa535e298f5f834f3a119050757fBen HutchingsMODULE_FIRMWARE(ISL3886_IMAGE_FILE); 48a830e6599263aa535e298f5f834f3a119050757fBen HutchingsMODULE_FIRMWARE(ISL3890_IMAGE_FILE); 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int prism54_bring_down(islpci_private *); 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int islpci_alloc_memory(islpci_private *); 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Temporary dummy MAC address to use until firmware is loaded. 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The idea there is that some tools (such as nameif) may query 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the MAC address before the netdev is 'open'. By using a valid 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OUI prefix, they can process the netdev properly. 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Of course, this is not the final/real MAC address. It doesn't 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * matter, as you are suppose to be able to change it anytime via 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ndev->set_mac_address. Jean II */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const unsigned char dummy_mac[6] = { 0x00, 0x30, 0xB4, 0x00, 0x00, 0x00 }; 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsisl_upload_firmware(islpci_private *priv) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 reg, rc; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *device_base = priv->device_base; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear the RAMBoot and the Reset bit */ 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = readl(device_base + ISL38XX_CTRL_STAT_REG); 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RESET; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RAMBOOT; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set the Reset bit without reading the register ! */ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg |= ISL38XX_CTRL_STAT_RESET; 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear the Reset bit */ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RESET; 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* wait a while for the device to reboot */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(50); 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct firmware *fw_entry = NULL; 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long fw_len; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *fw_ptr; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = request_firmware(&fw_entry, priv->firmware, PRISM_FW_PDEV); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) { 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "%s: request_firmware() failed for '%s'\n", 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "prism54", priv->firmware); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* prepare the Direct Memory Base register */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = ISL38XX_DEV_FIRMWARE_ADDRES; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fw_ptr = (u32 *) fw_entry->data; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fw_len = fw_entry->size; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (fw_len % 4) { 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "%s: firmware '%s' size is not multiple of 32bit, aborting!\n", 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "prism54", priv->firmware); 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_firmware(fw_entry); 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EILSEQ; /* Illegal byte sequence */; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (fw_len > 0) { 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long _fw_len = 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (fw_len > 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_MEMORY_WINDOW_SIZE) ? 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_MEMORY_WINDOW_SIZE : fw_len; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 __iomem *dev_fw_ptr = device_base + ISL38XX_DIRECT_MEM_WIN; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 123beb7dd86a101263bf63a78c7c6d4da3849b35bd6Robert P. J. Day /* set the card's base address for writing the data */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_w32_flush(device_base, reg, 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_DIR_MEM_BASE_REG); 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); /* be paranoid */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* increment the write address for next iteration */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg += _fw_len; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fw_len -= _fw_len; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* write the data to the Direct Memory Window 32bit-wise */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* memcpy_toio() doesn't guarantee 32bit writes :-| */ 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (_fw_len > 0) { 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* use non-swapping writel() */ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __raw_writel(*fw_ptr, dev_fw_ptr); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fw_ptr++, dev_fw_ptr++; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _fw_len -= 4; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* flush PCI posting */ 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (void) readl(device_base + ISL38XX_PCI_POSTING_FLUSH); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); /* be paranoid again */ 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(_fw_len != 0); 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(fw_len != 0); 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Firmware version is at offset 40 (also for "newmac") */ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: firmware version: %.8s\n", 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name, fw_entry->data + 40); 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_firmware(fw_entry); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* now reset the device 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * clear the Reset & ClkRun bit, set the RAMBoot bit */ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = readl(device_base + ISL38XX_CTRL_STAT_REG); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_CLKRUN; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RESET; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg |= ISL38XX_CTRL_STAT_RAMBOOT; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_w32_flush(device_base, reg, ISL38XX_CTRL_STAT_REG); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set the reset bit latches the host override and RAMBoot bits 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * into the device for operation when the reset bit is reset */ 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg |= ISL38XX_CTRL_STAT_RESET; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* don't do flush PCI posting here! */ 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear the reset bit should start the whole circus */ 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RESET; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* don't do flush PCI posting here! */ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************************************** 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Device Interrupt Handler 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds******************************************************************************/ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsirqreturn_t 1907d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsislpci_interrupt(int irq, void *config) 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 reg; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_private *priv = config; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *ndev = priv->ndev; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *device = priv->device_base; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int powerstate = ISL38XX_PSM_POWERSAVE_STATE; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* lock the interrupt handler */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&priv->slock); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* received an interrupt request on a shared IRQ line 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * first check whether the device is in sleep mode */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = readl(device + ISL38XX_CTRL_STAT_REG); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg & ISL38XX_CTRL_STAT_SLEEPMODE) 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* device is in sleep mode, IRQ was generated by someone else */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n"); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&priv->slock); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_NONE; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check whether there is any source of interrupt on the device */ 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = readl(device + ISL38XX_INT_IDENT_REG); 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* also check the contents of the Interrupt Enable Register, because this 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * will filter out interrupt sources from other devices on the same irq ! */ 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= readl(device + ISL38XX_INT_EN_REG); 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ISL38XX_INT_SOURCES; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg != 0) { 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (islpci_get_state(priv) != PRV_STATE_SLEEP) 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds powerstate = ISL38XX_PSM_ACTIVE_STATE; 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset the request bits in the Identification register */ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_w32_flush(device, reg, ISL38XX_INT_ACK_REG); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_FUNCTION_CALLS, 2324a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop "IRQ: Identification register 0x%p 0x%x\n", device, reg); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check for each bit in the register separately */ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg & ISL38XX_INT_IDENT_UPDATE) { 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Queue has been updated */ 2394a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop DEBUG(SHOW_TRACING, "IRQ: Update flag\n"); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_QUEUE_INDEXES, 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CB drv Qs: [%i][%i][%i][%i][%i][%i]\n", 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[0]), 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[1]), 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[2]), 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[3]), 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[4]), 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver_curr_frag[5]) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_QUEUE_INDEXES, 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CB dev Qs: [%i][%i][%i][%i][%i][%i]\n", 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[0]), 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[1]), 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[2]), 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[3]), 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[4]), 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds le32_to_cpu(priv->control_block-> 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_curr_frag[5]) 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* cleanup the data low transmit queue */ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_eth_cleanup_transmit(priv, priv->control_block); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* device is in active state, update the 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * powerstate flag if necessary */ 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds powerstate = ISL38XX_PSM_ACTIVE_STATE; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check all three queues in priority order 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * call the PIMFOR receive function until the 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * queue is empty */ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (isl38xx_in_queue(priv->control_block, 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_CB_RX_MGMTQ) != 0) { 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Received frame in Management Queue\n"); 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_mgt_receive(ndev); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_mgt_cleanup_transmit(ndev); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Refill slots in receive queue */ 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_mgmt_rx_fill(ndev); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* no need to trigger the device, next 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_mgt_transaction does it */ 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (isl38xx_in_queue(priv->control_block, 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_CB_RX_DATA_LQ) != 0) { 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, 3054a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop "Received frame in Data Low Queue\n"); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_eth_receive(priv); 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check whether the data transmit queues were full */ 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->data_low_tx_full) { 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check whether the transmit is not full anymore */ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ISL38XX_CB_TX_QSIZE - 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_in_queue(priv->control_block, 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_CB_TX_DATA_LQ) >= 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_MIN_QTHRESHOLD) { 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* nope, the driver is ready for more network frames */ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_wake_queue(priv->ndev); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset the full flag */ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->data_low_tx_full = 0; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg & ISL38XX_INT_IDENT_INIT) { 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Device has been initialized */ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, 3304a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop "IRQ: Init flag, device initialized\n"); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up(&priv->reset_done); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg & ISL38XX_INT_IDENT_SLEEP) { 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Device intends to move to powersave state */ 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 3384a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop DEBUG(SHOW_TRACING, "IRQ: Sleep flag\n"); 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_handle_sleep_request(priv->control_block, 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &powerstate, 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_base); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reg & ISL38XX_INT_IDENT_WAKEUP) { 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Device has been woken up to active state */ 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 3484a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop DEBUG(SHOW_TRACING, "IRQ: Wakeup flag\n"); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_handle_wakeup(priv->control_block, 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &powerstate, priv->device_base); 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, "Assuming someone else called the IRQ\n"); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&priv->slock); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_NONE; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sleep -> ready */ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (islpci_get_state(priv) == PRV_STATE_SLEEP 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && powerstate == ISL38XX_PSM_ACTIVE_STATE) 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_READY); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* !sleep -> sleep */ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (islpci_get_state(priv) != PRV_STATE_SLEEP 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && powerstate == ISL38XX_PSM_POWERSAVE_STATE) 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_SLEEP); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* unlock the interrupt handler */ 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&priv->slock); 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************************************** 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Network Interface Control & Statistical functions 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds******************************************************************************/ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_open(struct net_device *ndev) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 rc; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_private *priv = netdev_priv(ndev); 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset data structures, upload firmware and reset device */ 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = islpci_reset(priv,1); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) { 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prism54_bring_down(priv); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; /* Returns informative message */ 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_start_queue(ndev); 3957b463ced635231dd1d4ca6d8b1d93f9353b9dc3aLuis R. Rodriguez 39685b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez /* Turn off carrier if in STA or Ad-hoc mode. It will be turned on 39785b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez * once the firmware receives a trap of being associated 39885b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez * (GEN_OID_LINKSTATE). In other modes (AP or WDS or monitor) we 39985b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez * should just leave the carrier on as its expected the firmware 40085b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez * won't send us a trigger. */ 40185b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez if (priv->iw_mode == IW_MODE_INFRA || priv->iw_mode == IW_MODE_ADHOC) 40285b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez netif_carrier_off(ndev); 40385b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez else 40485b442e378ac3413e269a70a0031727ef121bd2aLuis R. Rodriguez netif_carrier_on(ndev); 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_close(struct net_device *ndev) 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_private *priv = netdev_priv(ndev); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: islpci_close ()\n", ndev->name); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds netif_stop_queue(ndev); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return prism54_bring_down(priv); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsprism54_bring_down(islpci_private *priv) 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *device_base = priv->device_base; 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 reg; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* we are going to shutdown the device */ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_PREBOOT); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* disable all device interrupts in case they weren't */ 43093b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov isl38xx_disable_interrupts(priv->device_base); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For safety reasons, we may want to ensure that no DMA transfer is 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * currently in progress by emptying the TX and RX queues. */ 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* wait until interrupts have finished executing on other CPUs */ 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds synchronize_irq(priv->pdev->irq); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = readl(device_base + ISL38XX_CTRL_STAT_REG); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~(ISL38XX_CTRL_STAT_RESET | ISL38XX_CTRL_STAT_RAMBOOT); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg |= ISL38XX_CTRL_STAT_RESET; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(ISL38XX_WRITEIO_DELAY); 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear the Reset bit */ 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg &= ~ISL38XX_CTRL_STAT_RESET; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(reg, device_base + ISL38XX_CTRL_STAT_REG); 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wmb(); 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* wait a while for the device to reset */ 4553173c8907ffb2c64456142da3df2bd0500bd59e0Nishanth Aravamudan schedule_timeout_uninterruptible(msecs_to_jiffies(50)); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_upload_fw(islpci_private *priv) 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_state_t old_state; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 rc; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds old_state = islpci_set_state(priv, PRV_STATE_BOOT); 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: uploading firmware...\n", priv->ndev->name); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = isl_upload_firmware(priv); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) { 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* error uploading the firmware */ 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: could not upload firmware ('%s')\n", 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name, priv->firmware); 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, old_state); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: firmware upload complete\n", 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name); 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_POSTBOOT); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_reset_if(islpci_private *priv) 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long remaining; 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result = -ETIME; 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int count; 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(&priv->reset_done, &wait, TASK_UNINTERRUPTIBLE); 49793b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* now the last step is to reset the interface */ 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_interface_reset(priv->device_base, priv->device_host_address); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_PREINIT); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for(count = 0; count < 2 && result; count++) { 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The software reset acknowledge needs about 220 msec here. 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Be conservative and wait for up to one second. */ 50593b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov 5063173c8907ffb2c64456142da3df2bd0500bd59e0Nishanth Aravamudan remaining = schedule_timeout_uninterruptible(HZ); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(remaining > 0) { 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = 0; 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51393b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov /* If we're here it's because our IRQ hasn't yet gone through. 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Retry a bit more... 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: no 'reset complete' IRQ seen - retrying\n", 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name); 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(&priv->reset_done, &wait); 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name); 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_INIT); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Now that the device is 100% up, let's allow 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for the other interrupts -- 53193b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov * NOTE: this is not *yet* true since we've only allowed the 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * INIT interrupt on the IRQ line. We can perhaps poll 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the IRQ line until we know for sure the reset went through */ 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_enable_common_interrupts(priv->device_base); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds down_write(&priv->mib_sem); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = mgt_commit(priv); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: interface reset failure\n", priv->ndev->name); 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds up_write(&priv->mib_sem); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds up_write(&priv->mib_sem); 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_READY); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: interface reset complete\n", priv->ndev->name); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_reset(islpci_private *priv, int reload_firmware) 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_control_block *cb = /* volatile not needed */ 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (isl38xx_control_block *) priv->control_block; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned counter; 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int rc; 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reload_firmware) 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_PREBOOT); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_set_state(priv, PRV_STATE_POSTBOOT); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: resetting device...\n", priv->ndev->name); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* disable all device interrupts in case they weren't */ 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_disable_interrupts(priv->device_base); 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* flush all management queues */ 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->index_mgmt_tx = 0; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->index_mgmt_rx = 0; 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear the indexes in the frame pointer */ 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) { 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cb->driver_curr_frag[counter] = cpu_to_le32(0); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cb->device_curr_frag[counter] = cpu_to_le32(0); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset the mgmt receive queue */ 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) { 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds isl38xx_fragment *frag = &cb->rx_data_mgmt[counter]; 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frag->size = cpu_to_le16(MGMT_FRAME_SIZE); 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frag->flags = 0; 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds frag->address = cpu_to_le32(priv->mgmt_rx[counter].pci_addr); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) { 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cb->rx_data_low[counter].address = 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_to_le32((u32) priv->pci_map_rx_address[counter]); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* since the receive queues are filled with empty fragments, now we can 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set the corresponding indexes in the Control Block */ 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block->driver_curr_frag[ISL38XX_CB_RX_DATA_LQ] = 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_to_le32(ISL38XX_CB_RX_QSIZE); 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block->driver_curr_frag[ISL38XX_CB_RX_MGMTQ] = 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cpu_to_le32(ISL38XX_CB_MGMT_QSIZE); 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset the remaining real index registers and full flags */ 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->free_data_rx = 0; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->free_data_tx = 0; 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->data_low_tx_full = 0; 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (reload_firmware) { /* Should we load the firmware ? */ 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* now that the data structures are cleaned up, upload 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * firmware and reset interface */ 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = islpci_upload_fw(priv); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) { 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: islpci_reset: failure\n", 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name); 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* finally reset interface */ 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = islpci_reset_if(priv); 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "prism54: Your card/socket may be faulty, or IRQ line too busy :(\n"); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************************************** 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Network device configuration functions 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds******************************************************************************/ 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_alloc_memory(islpci_private *priv) 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int counter; 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "islpci_alloc_memory\n"); 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 634b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König /* remap the PCI device base address to accessible */ 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(priv->device_base = 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ioremap(pci_resource_start(priv->pdev, 0), 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ISL38XX_PCI_MEM_SIZE))) { 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* error in remapping the PCI device memory address range */ 6394a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop printk(KERN_ERR "PCI memory remapping failed\n"); 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* memory layout for consistent DMA region: 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Area 1: Control Block for the device interface 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Area 2: Power Save Mode Buffer for temporary frame storage. Be aware that 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the number of supported stations in the AP determines the minimal 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size of the buffer ! 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* perform the allocation */ 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->driver_mem_address = pci_alloc_consistent(priv->pdev, 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds HOST_MEM_BLOCK, 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &priv-> 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds device_host_address); 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!priv->driver_mem_address) { 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* error allocating the block of PCI memory */ 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: could not allocate DMA memory, aborting!", 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "prism54"); 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* assign the Control Block to the first address of the allocated area */ 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block = 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (isl38xx_control_block *) priv->driver_mem_address; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set the Power Save Buffer pointer directly behind the CB */ 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_psm_buffer = 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_host_address + CONTROL_BLOCK_SIZE; 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* make sure all buffer pointers are initialized */ 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_QCOUNT; counter++) { 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block->driver_curr_frag[counter] = cpu_to_le32(0); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block->device_curr_frag[counter] = cpu_to_le32(0); 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->index_mgmt_rx = 0; 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(priv->mgmt_rx, 0, sizeof(priv->mgmt_rx)); 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(priv->mgmt_tx, 0, sizeof(priv->mgmt_tx)); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* allocate rx queue for management frames */ 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (islpci_mgmt_rx_fill(priv->ndev) < 0) 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* now get the data rx skb's */ 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(priv->data_low_rx, 0, sizeof (priv->data_low_rx)); 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(priv->pci_map_rx_address, 0, sizeof (priv->pci_map_rx_address)); 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) { 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* allocate an sk_buff for received data frames storage 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * each frame on receive size consists of 1 fragment 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * include any required allignment operations */ 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = dev_alloc_skb(MAX_FRAGMENT_SIZE_RX + 2))) { 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* error allocating an sk_buff structure elements */ 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "Error allocating skb.\n"); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = NULL; 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free; 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_reserve(skb, (4 - (long) skb->data) & 0x03); 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* add the new allocated sk_buff to the buffer array */ 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->data_low_rx[counter] = skb; 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* map the allocated skb data area to pci */ 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->pci_map_rx_address[counter] = 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_map_single(priv->pdev, (void *) skb->data, 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MAX_FRAGMENT_SIZE_RX + 2, 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DMA_FROMDEVICE); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!priv->pci_map_rx_address[counter]) { 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* error mapping the buffer to device 713b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König accessible memory address */ 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "failed to map skb DMA'able\n"); 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prism54_acl_init(&priv->acl); 720eab411f1e850af5acbd6ef278f4e669250f71915Dan Williams prism54_wpa_bss_ie_init(priv); 72193b2dd12049d1adb0d76fb918fcd4c1030445433Dmitry Torokhov if (mgt_init(priv)) 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_free; 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out_free: 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_free_memory(priv); 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_free_memory(islpci_private *priv) 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int counter; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->device_base) 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(priv->device_base); 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_base = NULL; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* free consistent DMA area... */ 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->driver_mem_address) 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_free_consistent(priv->pdev, HOST_MEM_BLOCK, 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->driver_mem_address, 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_host_address); 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clear some dangling pointers */ 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->driver_mem_address = NULL; 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_host_address = 0; 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->device_psm_buffer = 0; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->control_block = NULL; 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clean up mgmt rx buffers */ 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_MGMT_QSIZE; counter++) { 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct islpci_membuf *buf = &priv->mgmt_rx[counter]; 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (buf->pci_addr) 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(priv->pdev, buf->pci_addr, 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf->size, PCI_DMA_FROMDEVICE); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf->pci_addr = 0; 758b4558ea93d66a43f7990d26f145fd4c54a01c9bfJesper Juhl kfree(buf->mem); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf->size = 0; 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf->mem = NULL; 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* clean up data rx buffers */ 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (counter = 0; counter < ISL38XX_CB_RX_QSIZE; counter++) { 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->pci_map_rx_address[counter]) 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unmap_single(priv->pdev, 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->pci_map_rx_address[counter], 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MAX_FRAGMENT_SIZE_RX + 2, 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DMA_FROMDEVICE); 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->pci_map_rx_address[counter] = 0; 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->data_low_rx[counter]) 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb(priv->data_low_rx[counter]); 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->data_low_rx[counter] = NULL; 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 777b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König /* Free the access control list and the WPA list */ 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prism54_acl_clean(&priv->acl); 779eab411f1e850af5acbd6ef278f4e669250f71915Dan Williams prism54_wpa_bss_ie_clean(priv); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mgt_clean(priv); 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_set_multicast_list(struct net_device *dev) 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* put device into promisc mode and let network layer handle it */ 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 793ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engertstatic void islpci_ethtool_get_drvinfo(struct net_device *dev, 794ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert struct ethtool_drvinfo *info) 795ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert{ 7961f80c230a7d291a10045a3cdc2efd18a4185674dRick Jones strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 7971f80c230a7d291a10045a3cdc2efd18a4185674dRick Jones strlcpy(info->version, DRV_VERSION, sizeof(info->version)); 798ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert} 799ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert 8006685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemmingerstatic const struct ethtool_ops islpci_ethtool_ops = { 801ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert .get_drvinfo = islpci_ethtool_get_drvinfo, 802ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert}; 803ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert 8046685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemmingerstatic const struct net_device_ops islpci_netdev_ops = { 8056685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_open = islpci_open, 8066685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_stop = islpci_close, 8076685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_start_xmit = islpci_eth_transmit, 8086685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_tx_timeout = islpci_eth_tx_timeout, 8096685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_set_mac_address = prism54_set_mac_address, 8106685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_change_mtu = eth_change_mtu, 8116685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger .ndo_validate_addr = eth_validate_addr, 8126685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger}; 8136685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct net_device * 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_setup(struct pci_dev *pdev) 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_private *priv; 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *ndev = alloc_etherdev(sizeof (islpci_private)); 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ndev) 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ndev; 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_drvdata(pdev, ndev); 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(SET_NETDEV_DEV) 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SET_NETDEV_DEV(ndev, &pdev->dev); 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup the structure members */ 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->base_addr = pci_resource_start(pdev, 0); 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->irq = pdev->irq; 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* initialize the function pointers */ 8336685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger ndev->netdev_ops = &islpci_netdev_ops; 8346685254f80cdca085cb1d53c45a6d0d5d01f911eStephen Hemminger ndev->wireless_handlers = &prism54_handler_def; 835ff86a543e9de35c5b17a289a58aed0be4e7b9d22Kai Engert ndev->ethtool_ops = &islpci_ethtool_ops; 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* ndev->set_multicast_list = &islpci_set_multicast_list; */ 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->addr_len = ETH_ALEN; 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get a non-zero dummy MAC address for nameif. Jean II */ 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(ndev->dev_addr, dummy_mac, 6); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->watchdog_timeo = ISLPCI_TX_TIMEOUT; 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* allocate a private device structure to the network device */ 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv = netdev_priv(ndev); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev = ndev; 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->pdev = pdev; 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->monitor_type = ARPHRD_IEEE80211; 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR) ? 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->monitor_type : ARPHRD_ETHER; 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Add pointers to enable iwspy support. */ 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->wireless_data.spy_data = &priv->spy_data; 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->wireless_data = &priv->wireless_data; 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* save the start and end address of the PCI memory area */ 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->mem_start = (unsigned long) priv->device_base; 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndev->mem_end = ndev->mem_start + ISL38XX_PCI_MEM_SIZE; 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > SHOW_ERROR_MESSAGES 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_TRACING, "PCI Memory remapped to 0x%p\n", priv->device_base); 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_waitqueue_head(&priv->reset_done); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* init the queue read locks, process wait counter */ 8671b34fd390c340b0554dcda9552f82d77dff8ed23Matthias Kaehlcke mutex_init(&priv->mgmt_lock); 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->mgmt_received = NULL; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_waitqueue_head(&priv->mgmt_wqueue); 870f8139218b32e9a68fc6779fa0ce45c5078c23c8aMatthias Kaehlcke mutex_init(&priv->stats_lock); 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_init(&priv->slock); 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* init state machine with off#1 state */ 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state = PRV_STATE_OFF; 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state_off = 1; 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* initialize workqueue's */ 878c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_WORK(&priv->stats_work, prism54_update_stats); 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->stats_timestamp = 0; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_WORK(&priv->reset_task, islpci_do_reset_and_wake); 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->reset_task_pending = 0; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* allocate various memory areas */ 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (islpci_alloc_memory(priv)) 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto do_free_netdev; 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* select the firmware file depending on the device id */ 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3877: 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(priv->firmware, ISL3877_IMAGE_FILE); 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x3886: 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(priv->firmware, ISL3886_IMAGE_FILE); 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(priv->firmware, ISL3890_IMAGE_FILE); 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (register_netdev(ndev)) { 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEBUG(SHOW_ERROR_MESSAGES, 9054a89852c3533c0190cbe6b04b8b5d7bf4f9beea9Frans Pop "ERROR: register_netdev() failed\n"); 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto do_islpci_free_memory; 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ndev; 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_islpci_free_memory: 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_free_memory(priv); 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_free_netdev: 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_drvdata(pdev, NULL); 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(ndev); 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv = NULL; 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_state_t 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsislpci_set_state(islpci_private *priv, islpci_state_t new_state) 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds islpci_state_t old_state; 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* lock */ 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds old_state = priv->state; 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* this means either a race condition or some serious error in 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the driver code */ 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (new_state) { 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PRV_STATE_OFF: 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state_off++; 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state = new_state; 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PRV_STATE_PREBOOT: 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* there are actually many off-states, enumerated by 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * state_off */ 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (old_state == PRV_STATE_OFF) 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state_off--; 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* only if hw_unavailable is zero now it means we either 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * were in off#1 state, or came here from 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * somewhere else */ 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!priv->state_off) 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->state = new_state; 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 949ee289b6440c3b0ccb9459495783e8c299bec6604Joe Perches } 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: state transition %d -> %d (off#%d)\n", 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->ndev->name, old_state, new_state, priv->state_off); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* invariants */ 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(priv->state_off < 0); 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(priv->state_off && (priv->state != PRV_STATE_OFF)); 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(!priv->state_off && (priv->state == PRV_STATE_OFF)); 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* unlock */ 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return old_state; 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 963