diff options
Diffstat (limited to 'drivers/staging/et131x/et131x_initpci.c')
| -rw-r--r-- | drivers/staging/et131x/et131x_initpci.c | 848 |
1 files changed, 0 insertions, 848 deletions
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c deleted file mode 100644 index 8c8d6b87a25..00000000000 --- a/drivers/staging/et131x/et131x_initpci.c +++ /dev/null @@ -1,848 +0,0 @@ -/* - * Agere Systems Inc. - * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs - * - * Copyright © 2005 Agere Systems Inc. - * All rights reserved. - * http://www.agere.com - * - *------------------------------------------------------------------------------ - * - * et131x_initpci.c - Routines and data used to register the driver with the - * PCI (and PCI Express) subsystem, as well as basic driver - * init and startup. - * - *------------------------------------------------------------------------------ - * - * SOFTWARE LICENSE - * - * This software is provided subject to the following terms and conditions, - * which you should read carefully before using the software. Using this - * software indicates your acceptance of these terms and conditions. If you do - * not agree with these terms and conditions, do not use the software. - * - * Copyright © 2005 Agere Systems Inc. - * All rights reserved. - * - * Redistribution and use in source or binary forms, with or without - * modifications, are permitted provided that the following conditions are met: - * - * . Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following Disclaimer as comments in the code as - * well as in the documentation and/or other materials provided with the - * distribution. - * - * . Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following Disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * . Neither the name of Agere Systems Inc. nor the names of the contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * Disclaimer - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY - * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN - * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - */ - -#include "et131x_version.h" -#include "et131x_defs.h" - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> - -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/ctype.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/in.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/bitops.h> -#include <asm/system.h> - -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/random.h> - -#include "et1310_phy.h" - -#include "et131x_adapter.h" - -#include "et1310_address_map.h" -#include "et1310_tx.h" -#include "et1310_rx.h" -#include "et131x.h" - -#define INTERNAL_MEM_SIZE 0x400 /* 1024 of internal memory */ -#define INTERNAL_MEM_RX_OFFSET 0x1FF /* 50% Tx, 50% Rx */ - -/* Defines for Parameter Default/Min/Max vaules */ -#define PARM_SPEED_DUPLEX_MIN 0 -#define PARM_SPEED_DUPLEX_MAX 5 - -/* Module parameter for manual speed setting - * Set Link speed and dublex manually (0-5) [0] - * 1 : 10Mb Half-Duplex - * 2 : 10Mb Full-Duplex - * 3 : 100Mb Half-Duplex - * 4 : 100Mb Full-Duplex - * 5 : 1000Mb Full-Duplex - * 0 : Auto Speed Auto Duplex // default - */ -static u32 et131x_speed_set; -module_param(et131x_speed_set, uint, 0); -MODULE_PARM_DESC(et131x_speed_set, - "Set Link speed and dublex manually (0-5) [0]\n" - "1 : 10Mb Half-Duplex\n" - "2 : 10Mb Full-Duplex\n" - "3 : 100Mb Half-Duplex\n" - "4 : 100Mb Full-Duplex\n" - "5 : 1000Mb Full-Duplex\n" - "0 : Auto Speed Auto Dublex"); - -/** - * et131x_hwaddr_init - set up the MAC Address on the ET1310 - * @adapter: pointer to our private adapter structure - */ -void et131x_hwaddr_init(struct et131x_adapter *adapter) -{ - /* If have our default mac from init and no mac address from - * EEPROM then we need to generate the last octet and set it on the - * device - */ - if (adapter->rom_addr[0] == 0x00 && - adapter->rom_addr[1] == 0x00 && - adapter->rom_addr[2] == 0x00 && - adapter->rom_addr[3] == 0x00 && - adapter->rom_addr[4] == 0x00 && - adapter->rom_addr[5] == 0x00) { - /* - * We need to randomly generate the last octet so we - * decrease our chances of setting the mac address to - * same as another one of our cards in the system - */ - get_random_bytes(&adapter->addr[5], 1); - /* - * We have the default value in the register we are - * working with so we need to copy the current - * address into the permanent address - */ - memcpy(adapter->rom_addr, - adapter->addr, ETH_ALEN); - } else { - /* We do not have an override address, so set the - * current address to the permanent address and add - * it to the device - */ - memcpy(adapter->addr, - adapter->rom_addr, ETH_ALEN); - } -} - - -/** - * et131x_pci_init - initial PCI setup - * @adapter: pointer to our private adapter structure - * @pdev: our PCI device - * - * Perform the initial setup of PCI registers and if possible initialise - * the MAC address. At this point the I/O registers have yet to be mapped - */ - -static int et131x_pci_init(struct et131x_adapter *adapter, - struct pci_dev *pdev) -{ - int i; - u8 max_payload; - u8 read_size_reg; - - if (et131x_init_eeprom(adapter) < 0) - return -EIO; - - /* Let's set up the PORT LOGIC Register. First we need to know what - * the max_payload_size is - */ - if (pci_read_config_byte(pdev, ET1310_PCI_MAX_PYLD, &max_payload)) { - dev_err(&pdev->dev, - "Could not read PCI config space for Max Payload Size\n"); - return -EIO; - } - - /* Program the Ack/Nak latency and replay timers */ - max_payload &= 0x07; /* Only the lower 3 bits are valid */ - - if (max_payload < 2) { - static const u16 acknak[2] = { 0x76, 0xD0 }; - static const u16 replay[2] = { 0x1E0, 0x2ED }; - - if (pci_write_config_word(pdev, ET1310_PCI_ACK_NACK, - acknak[max_payload])) { - dev_err(&pdev->dev, - "Could not write PCI config space for ACK/NAK\n"); - return -EIO; - } - if (pci_write_config_word(pdev, ET1310_PCI_REPLAY, - replay[max_payload])) { - dev_err(&pdev->dev, - "Could not write PCI config space for Replay Timer\n"); - return -EIO; - } - } - - /* l0s and l1 latency timers. We are using default values. - * Representing 001 for L0s and 010 for L1 - */ - if (pci_write_config_byte(pdev, ET1310_PCI_L0L1LATENCY, 0x11)) { - dev_err(&pdev->dev, - "Could not write PCI config space for Latency Timers\n"); - return -EIO; - } - - /* Change the max read size to 2k */ - if (pci_read_config_byte(pdev, 0x51, &read_size_reg)) { - dev_err(&pdev->dev, - "Could not read PCI config space for Max read size\n"); - return -EIO; - } - - read_size_reg &= 0x8f; - read_size_reg |= 0x40; - - if (pci_write_config_byte(pdev, 0x51, read_size_reg)) { - dev_err(&pdev->dev, - "Could not write PCI config space for Max read size\n"); - return -EIO; - } - - /* Get MAC address from config space if an eeprom exists, otherwise - * the MAC address there will not be valid - */ - if (!adapter->has_eeprom) { - et131x_hwaddr_init(adapter); - return 0; - } - - for (i = 0; i < ETH_ALEN; i++) { - if (pci_read_config_byte(pdev, ET1310_PCI_MAC_ADDRESS + i, - adapter->rom_addr + i)) { - dev_err(&pdev->dev, "Could not read PCI config space for MAC address\n"); - return -EIO; - } - } - memcpy(adapter->addr, adapter->rom_addr, ETH_ALEN); - return 0; -} - -/** - * et131x_error_timer_handler - * @data: timer-specific variable; here a pointer to our adapter structure - * - * The routine called when the error timer expires, to track the number of - * recurring errors. - */ -void et131x_error_timer_handler(unsigned long data) -{ - struct et131x_adapter *etdev = (struct et131x_adapter *) data; - u32 pm_csr; - - pm_csr = readl(&etdev->regs->global.pm_csr); - - if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) - UpdateMacStatHostCounters(etdev); - else - dev_err(&etdev->pdev->dev, - "No interrupts, in PHY coma, pm_csr = 0x%x\n", pm_csr); - - if (!(etdev->bmsr & MI_BMSR_LINK_STATUS) && - etdev->RegistryPhyComa && - etdev->boot_coma < 11) { - etdev->boot_coma++; - } - - if (etdev->boot_coma == 10) { - if (!(etdev->bmsr & MI_BMSR_LINK_STATUS) - && etdev->RegistryPhyComa) { - if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) { - /* NOTE - This was originally a 'sync with - * interrupt'. How to do that under Linux? - */ - et131x_enable_interrupts(etdev); - EnablePhyComa(etdev); - } - } - } - - /* This is a periodic timer, so reschedule */ - mod_timer(&etdev->ErrorTimer, jiffies + - TX_ERROR_PERIOD * HZ / 1000); -} - -/** - * et131x_link_detection_handler - * - * Timer function for link up at driver load time - */ -void et131x_link_detection_handler(unsigned long data) -{ - struct et131x_adapter *etdev = (struct et131x_adapter *) data; - unsigned long flags; - - if (etdev->MediaState == 0) { - spin_lock_irqsave(&etdev->Lock, flags); - - etdev->MediaState = NETIF_STATUS_MEDIA_DISCONNECT; - - spin_unlock_irqrestore(&etdev->Lock, flags); - - netif_carrier_off(etdev->netdev); - } -} - -/** - * et131x_configure_global_regs - configure JAGCore global regs - * @etdev: pointer to our adapter structure - * - * Used to configure the global registers on the JAGCore - */ -void ConfigGlobalRegs(struct et131x_adapter *etdev) -{ - struct global_regs __iomem *regs = &etdev->regs->global; - - writel(0, ®s->rxq_start_addr); - writel(INTERNAL_MEM_SIZE - 1, ®s->txq_end_addr); - - if (etdev->RegistryJumboPacket < 2048) { - /* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word - * block of RAM that the driver can split between Tx - * and Rx as it desires. Our default is to split it - * 50/50: - */ - writel(PARM_RX_MEM_END_DEF, ®s->rxq_end_addr); - writel(PARM_RX_MEM_END_DEF + 1, ®s->txq_start_addr); - } else if (etdev->RegistryJumboPacket < 8192) { - /* For jumbo packets > 2k but < 8k, split 50-50. */ - writel(INTERNAL_MEM_RX_OFFSET, ®s->rxq_end_addr); - writel(INTERNAL_MEM_RX_OFFSET + 1, ®s->txq_start_addr); - } else { - /* 9216 is the only packet size greater than 8k that - * is available. The Tx buffer has to be big enough - * for one whole packet on the Tx side. We'll make - * the Tx 9408, and give the rest to Rx - */ - writel(0x01b3, ®s->rxq_end_addr); - writel(0x01b4, ®s->txq_start_addr); - } - - /* Initialize the loopback register. Disable all loopbacks. */ - writel(0, ®s->loopback); - - /* MSI Register */ - writel(0, ®s->msi_config); - - /* By default, disable the watchdog timer. It will be enabled when - * a packet is queued. - */ - writel(0, ®s->watchdog_timer); -} - - -/** - * et131x_adapter_setup - Set the adapter up as per cassini+ documentation - * @adapter: pointer to our private adapter structure - * - * Returns 0 on success, errno on failure (as defined in errno.h) - */ -int et131x_adapter_setup(struct et131x_adapter *etdev) -{ - int status = 0; - - /* Configure the JAGCore */ - ConfigGlobalRegs(etdev); - - ConfigMACRegs1(etdev); - - /* Configure the MMC registers */ - /* All we need to do is initialize the Memory Control Register */ - writel(ET_MMC_ENABLE, &etdev->regs->mmc.mmc_ctrl); - - ConfigRxMacRegs(etdev); - ConfigTxMacRegs(etdev); - - ConfigRxDmaRegs(etdev); - ConfigTxDmaRegs(etdev); - - ConfigMacStatRegs(etdev); - - /* Move the following code to Timer function?? */ - status = et131x_xcvr_find(etdev); - - if (status != 0) - dev_warn(&etdev->pdev->dev, "Could not find the xcvr\n"); - - /* Prepare the TRUEPHY library. */ - ET1310_PhyInit(etdev); - - /* Reset the phy now so changes take place */ - ET1310_PhyReset(etdev); - - /* Power down PHY */ - ET1310_PhyPowerDown(etdev, 1); - - /* - * We need to turn off 1000 base half dulplex, the mac does not - * support it. For the 10/100 part, turn off all gig advertisement - */ - if (etdev->pdev->device != ET131X_PCI_DEVICE_ID_FAST) - ET1310_PhyAdvertise1000BaseT(etdev, TRUEPHY_ADV_DUPLEX_FULL); - else - ET1310_PhyAdvertise1000BaseT(etdev, TRUEPHY_ADV_DUPLEX_NONE); - - /* Power up PHY */ - ET1310_PhyPowerDown(etdev, 0); - - et131x_setphy_normal(etdev); -; return status; -} - -/** - * et131x_soft_reset - Issue a soft reset to the hardware, complete for ET1310 - * @adapter: pointer to our private adapter structure - */ -void et131x_soft_reset(struct et131x_adapter *adapter) -{ - /* Disable MAC Core */ - writel(0xc00f0000, &adapter->regs->mac.cfg1); - - /* Set everything to a reset value */ - writel(0x7F, &adapter->regs->global.sw_reset); - writel(0x000f0000, &adapter->regs->mac.cfg1); - writel(0x00000000, &adapter->regs->mac.cfg1); -} - -/** - * et131x_align_allocated_memory - Align allocated memory on a given boundary - * @adapter: pointer to our adapter structure - * @phys_addr: pointer to Physical address - * @offset: pointer to the offset variable - * @mask: correct mask - */ -void et131x_align_allocated_memory(struct et131x_adapter *adapter, - uint64_t *phys_addr, - uint64_t *offset, uint64_t mask) -{ - uint64_t new_addr; - - *offset = 0; - - new_addr = *phys_addr & ~mask; - - if (new_addr != *phys_addr) { - /* Move to next aligned block */ - new_addr += mask + 1; - /* Return offset for adjusting virt addr */ - *offset = new_addr - *phys_addr; - /* Return new physical address */ - *phys_addr = new_addr; - } -} - -/** - * et131x_adapter_memory_alloc - * @adapter: pointer to our private adapter structure - * - * Returns 0 on success, errno on failure (as defined in errno.h). - * - * Allocate all the memory blocks for send, receive and others. - */ -int et131x_adapter_memory_alloc(struct et131x_adapter *adapter) -{ - int status; - - /* Allocate memory for the Tx Ring */ - status = et131x_tx_dma_memory_alloc(adapter); - if (status != 0) { - dev_err(&adapter->pdev->dev, - "et131x_tx_dma_memory_alloc FAILED\n"); - return status; - } - /* Receive buffer memory allocation */ - status = et131x_rx_dma_memory_alloc(adapter); - if (status != 0) { - dev_err(&adapter->pdev->dev, - "et131x_rx_dma_memory_alloc FAILED\n"); - et131x_tx_dma_memory_free(adapter); - return status; - } - - /* Init receive data structures */ - status = et131x_init_recv(adapter); - if (status != 0) { - dev_err(&adapter->pdev->dev, - "et131x_init_recv FAILED\n"); - et131x_tx_dma_memory_free(adapter); - et131x_rx_dma_memory_free(adapter); - } - return status; -} - -/** - * et131x_adapter_memory_free - Free all memory allocated for use by Tx & Rx - * @adapter: pointer to our private adapter structure - */ -void et131x_adapter_memory_free(struct et131x_adapter *adapter) -{ - /* Free DMA memory */ - et131x_tx_dma_memory_free(adapter); - et131x_rx_dma_memory_free(adapter); -} - - - -/** - * et131x_adapter_init - * @etdev: pointer to the private adapter struct - * @pdev: pointer to the PCI device - * - * Initialize the data structures for the et131x_adapter object and link - * them together with the platform provided device structures. - */ - - -static struct et131x_adapter *et131x_adapter_init(struct net_device *netdev, - struct pci_dev *pdev) -{ - static const u8 default_mac[] = { 0x00, 0x05, 0x3d, 0x00, 0x02, 0x00 }; - static const u8 duplex[] = { 0, 1, 2, 1, 2, 2 }; - static const u16 speed[] = { 0, 10, 10, 100, 100, 1000 }; - - struct et131x_adapter *etdev; - - /* Setup the fundamental net_device and private adapter structure - * elements */ - SET_NETDEV_DEV(netdev, &pdev->dev); - - /* Allocate private adapter struct and copy in relevant information */ - etdev = netdev_priv(netdev); - etdev->pdev = pci_dev_get(pdev); - etdev->netdev = netdev; - - /* Do the same for the netdev struct */ - netdev->irq = pdev->irq; - netdev->base_addr = pci_resource_start(pdev, 0); - - /* Initialize spinlocks here */ - spin_lock_init(&etdev->Lock); - spin_lock_init(&etdev->TCBSendQLock); - spin_lock_init(&etdev->TCBReadyQLock); - spin_lock_init(&etdev->send_hw_lock); - spin_lock_init(&etdev->rcv_lock); - spin_lock_init(&etdev->RcvPendLock); - spin_lock_init(&etdev->FbrLock); - spin_lock_init(&etdev->PHYLock); - - /* Parse configuration parameters into the private adapter struct */ - if (et131x_speed_set) - dev_info(&etdev->pdev->dev, - "Speed set manually to : %d\n", et131x_speed_set); - - etdev->SpeedDuplex = et131x_speed_set; - etdev->RegistryJumboPacket = 1514; /* 1514-9216 */ - - /* Set the MAC address to a default */ - memcpy(etdev->addr, default_mac, ETH_ALEN); - - /* Decode SpeedDuplex - * - * Set up as if we are auto negotiating always and then change if we - * go into force mode - * - * If we are the 10/100 device, and gigabit is somehow requested then - * knock it down to 100 full. - */ - if (etdev->pdev->device == ET131X_PCI_DEVICE_ID_FAST && - etdev->SpeedDuplex == 5) - etdev->SpeedDuplex = 4; - - etdev->AiForceSpeed = speed[etdev->SpeedDuplex]; - etdev->AiForceDpx = duplex[etdev->SpeedDuplex]; /* Auto FDX */ - - return etdev; -} - -/** - * et131x_pci_setup - Perform device initialization - * @pdev: a pointer to the device's pci_dev structure - * @ent: this device's entry in the pci_device_id table - * - * Returns 0 on success, errno on failure (as defined in errno.h) - * - * Registered in the pci_driver structure, this function is called when the - * PCI subsystem finds a new PCI device which matches the information - * contained in the pci_device_id table. This routine is the equivalent to - * a device insertion routine. - */ - -static int __devinit et131x_pci_setup(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int result = -EBUSY; - int pm_cap; - bool pci_using_dac; - struct net_device *netdev; - struct et131x_adapter *adapter; - - /* Enable the device via the PCI subsystem */ - if (pci_enable_device(pdev) != 0) { - dev_err(&pdev->dev, - "pci_enable_device() failed\n"); - return -EIO; - } - - /* Perform some basic PCI checks */ - if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { - dev_err(&pdev->dev, - "Can't find PCI device's base address\n"); - goto err_disable; - } - - if (pci_request_regions(pdev, DRIVER_NAME)) { - dev_err(&pdev->dev, - "Can't get PCI resources\n"); - goto err_disable; - } - - /* Enable PCI bus mastering */ - pci_set_master(pdev); - - /* Query PCI for Power Mgmt Capabilities - * - * NOTE: Now reading PowerMgmt in another location; is this still - * needed? - */ - pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pm_cap == 0) { - dev_err(&pdev->dev, - "Cannot find Power Management capabilities\n"); - result = -EIO; - goto err_release_res; - } - - /* Check the DMA addressing support of this device */ - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { - pci_using_dac = true; - - result = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (result != 0) { - dev_err(&pdev->dev, - "Unable to obtain 64 bit DMA for consistent allocations\n"); - goto err_release_res; - } - } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { - pci_using_dac = false; - } else { - dev_err(&pdev->dev, - "No usable DMA addressing method\n"); - result = -EIO; - goto err_release_res; - } - - /* Allocate netdev and private adapter structs */ - netdev = et131x_device_alloc(); - if (netdev == NULL) { - dev_err(&pdev->dev, "Couldn't alloc netdev struct\n"); - result = -ENOMEM; - goto err_release_res; - } - adapter = et131x_adapter_init(netdev, pdev); - /* Initialise the PCI setup for the device */ - et131x_pci_init(adapter, pdev); - - /* Map the bus-relative registers to system virtual memory */ - adapter->regs = pci_ioremap_bar(pdev, 0); - if (adapter->regs == NULL) { - dev_err(&pdev->dev, "Cannot map device registers\n"); - result = -ENOMEM; - goto err_free_dev; - } - - /* If Phy COMA mode was enabled when we went down, disable it here. */ - writel(ET_PMCSR_INIT, &adapter->regs->global.pm_csr); - - /* Issue a global reset to the et1310 */ - et131x_soft_reset(adapter); - - /* Disable all interrupts (paranoid) */ - et131x_disable_interrupts(adapter); - - /* Allocate DMA memory */ - result = et131x_adapter_memory_alloc(adapter); - if (result != 0) { - dev_err(&pdev->dev, "Could not alloc adapater memory (DMA)\n"); - goto err_iounmap; - } - - /* Init send data structures */ - et131x_init_send(adapter); - - /* - * Set up the task structure for the ISR's deferred handler - */ - INIT_WORK(&adapter->task, et131x_isr_handler); - - /* Copy address into the net_device struct */ - memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN); - - /* Setup et1310 as per the documentation */ - et131x_adapter_setup(adapter); - - /* Create a timer to count errors received by the NIC */ - init_timer(&adapter->ErrorTimer); - - adapter->ErrorTimer.expires = jiffies + TX_ERROR_PERIOD * HZ / 1000; - adapter->ErrorTimer.function = et131x_error_timer_handler; - adapter->ErrorTimer.data = (unsigned long)adapter; - - /* Initialize link state */ - et131x_link_detection_handler((unsigned long)adapter); - - /* Initialize variable for counting how long we do not have - link status */ - adapter->boot_coma = 0; - - /* We can enable interrupts now - * - * NOTE - Because registration of interrupt handler is done in the - * device's open(), defer enabling device interrupts to that - * point - */ - - /* Register the net_device struct with the Linux network layer */ - result = register_netdev(netdev); - if (result != 0) { - dev_err(&pdev->dev, "register_netdev() failed\n"); - goto err_mem_free; - } - - /* Register the net_device struct with the PCI subsystem. Save a copy - * of the PCI config space for this device now that the device has - * been initialized, just in case it needs to be quickly restored. - */ - pci_set_drvdata(pdev, netdev); - pci_save_state(adapter->pdev); - return result; - -err_mem_free: - et131x_adapter_memory_free(adapter); -err_iounmap: - iounmap(adapter->regs); -err_free_dev: - pci_dev_put(pdev); - free_netdev(netdev); -err_release_res: - pci_release_regions(pdev); -err_disable: - pci_disable_device(pdev); - return result; -} - -/** - * et131x_pci_remove - * @pdev: a pointer to the device's pci_dev structure - * - * Registered in the pci_driver structure, this function is called when the - * PCI subsystem detects that a PCI device which matches the information - * contained in the pci_device_id table has been removed. - */ - -static void __devexit et131x_pci_remove(struct pci_dev *pdev) -{ - struct net_device *netdev; - struct et131x_adapter *adapter; - - /* Retrieve the net_device pointer from the pci_dev struct, as well - * as the private adapter struct - */ - netdev = pci_get_drvdata(pdev); - adapter = netdev_priv(netdev); - - /* Perform device cleanup */ - unregister_netdev(netdev); - et131x_adapter_memory_free(adapter); - iounmap(adapter->regs); - pci_dev_put(adapter->pdev); - free_netdev(netdev); - pci_release_regions(pdev); - pci_disable_device(pdev); -} - -static struct pci_device_id et131x_pci_table[] __devinitdata = { - {ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_GIG, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0UL}, - {ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_FAST, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0UL}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci, et131x_pci_table); - -static struct pci_driver et131x_driver = { - .name = DRIVER_NAME, - .id_table = et131x_pci_table, - .probe = et131x_pci_setup, - .remove = __devexit_p(et131x_pci_remove), - .suspend = NULL, /* et131x_pci_suspend */ - .resume = NULL, /* et131x_pci_resume */ -}; - - -/** - * et131x_init_module - The "main" entry point called on driver initialization - * - * Returns 0 on success, errno on failure (as defined in errno.h) - */ -static int __init et131x_init_module(void) -{ - if (et131x_speed_set < PARM_SPEED_DUPLEX_MIN || - et131x_speed_set > PARM_SPEED_DUPLEX_MAX) { - printk(KERN_WARNING "et131x: invalid speed setting ignored.\n"); - et131x_speed_set = 0; - } - return pci_register_driver(&et131x_driver); -} - -/** - * et131x_cleanup_module - The entry point called on driver cleanup - */ -static void __exit et131x_cleanup_module(void) -{ - pci_unregister_driver(&et131x_driver); -} - -module_init(et131x_init_module); -module_exit(et131x_cleanup_module); - -/* Modinfo parameters (filled out using defines from et131x_version.h) */ -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_INFO); -MODULE_LICENSE(DRIVER_LICENSE); |