diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wan/wanxl.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wan/wanxl.c | 849 |
1 files changed, 0 insertions, 849 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wan/wanxl.c b/ANDROID_3.4.5/drivers/net/wan/wanxl.c deleted file mode 100644 index feb7541b..00000000 --- a/ANDROID_3.4.5/drivers/net/wan/wanxl.c +++ /dev/null @@ -1,849 +0,0 @@ -/* - * wanXL serial card driver for Linux - * host part - * - * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * Status: - * - Only DTE (external clock) support with NRZ and NRZI encodings - * - wanXL100 will require minor driver modifications, no access to hw - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/hdlc.h> -#include <linux/pci.h> -#include <linux/dma-mapping.h> -#include <linux/delay.h> -#include <asm/io.h> - -#include "wanxl.h" - -static const char* version = "wanXL serial card driver version: 0.48"; - -#define PLX_CTL_RESET 0x40000000 /* adapter reset */ - -#undef DEBUG_PKT -#undef DEBUG_PCI - -/* MAILBOX #1 - PUTS COMMANDS */ -#define MBX1_CMD_ABORTJ 0x85000000 /* Abort and Jump */ -#ifdef __LITTLE_ENDIAN -#define MBX1_CMD_BSWAP 0x8C000001 /* little-endian Byte Swap Mode */ -#else -#define MBX1_CMD_BSWAP 0x8C000000 /* big-endian Byte Swap Mode */ -#endif - -/* MAILBOX #2 - DRAM SIZE */ -#define MBX2_MEMSZ_MASK 0xFFFF0000 /* PUTS Memory Size Register mask */ - - -typedef struct { - struct net_device *dev; - struct card_t *card; - spinlock_t lock; /* for wanxl_xmit */ - int node; /* physical port #0 - 3 */ - unsigned int clock_type; - int tx_in, tx_out; - struct sk_buff *tx_skbs[TX_BUFFERS]; -}port_t; - - -typedef struct { - desc_t rx_descs[RX_QUEUE_LENGTH]; - port_status_t port_status[4]; -}card_status_t; - - -typedef struct card_t { - int n_ports; /* 1, 2 or 4 ports */ - u8 irq; - - u8 __iomem *plx; /* PLX PCI9060 virtual base address */ - struct pci_dev *pdev; /* for pci_name(pdev) */ - int rx_in; - struct sk_buff *rx_skbs[RX_QUEUE_LENGTH]; - card_status_t *status; /* shared between host and card */ - dma_addr_t status_address; - port_t ports[0]; /* 1 - 4 port_t structures follow */ -}card_t; - - - -static inline port_t* dev_to_port(struct net_device *dev) -{ - return (port_t *)dev_to_hdlc(dev)->priv; -} - - -static inline port_status_t* get_status(port_t *port) -{ - return &port->card->status->port_status[port->node]; -} - - -#ifdef DEBUG_PCI -static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr, - size_t size, int direction) -{ - dma_addr_t addr = pci_map_single(pdev, ptr, size, direction); - if (addr + size > 0x100000000LL) - pr_crit("%s: pci_map_single() returned memory at 0x%llx!\n", - pci_name(pdev), (unsigned long long)addr); - return addr; -} - -#undef pci_map_single -#define pci_map_single pci_map_single_debug -#endif - - -/* Cable and/or personality module change interrupt service */ -static inline void wanxl_cable_intr(port_t *port) -{ - u32 value = get_status(port)->cable; - int valid = 1; - const char *cable, *pm, *dte = "", *dsr = "", *dcd = ""; - - switch(value & 0x7) { - case STATUS_CABLE_V35: cable = "V.35"; break; - case STATUS_CABLE_X21: cable = "X.21"; break; - case STATUS_CABLE_V24: cable = "V.24"; break; - case STATUS_CABLE_EIA530: cable = "EIA530"; break; - case STATUS_CABLE_NONE: cable = "no"; break; - default: cable = "invalid"; - } - - switch((value >> STATUS_CABLE_PM_SHIFT) & 0x7) { - case STATUS_CABLE_V35: pm = "V.35"; break; - case STATUS_CABLE_X21: pm = "X.21"; break; - case STATUS_CABLE_V24: pm = "V.24"; break; - case STATUS_CABLE_EIA530: pm = "EIA530"; break; - case STATUS_CABLE_NONE: pm = "no personality"; valid = 0; break; - default: pm = "invalid personality"; valid = 0; - } - - if (valid) { - if ((value & 7) == ((value >> STATUS_CABLE_PM_SHIFT) & 7)) { - dsr = (value & STATUS_CABLE_DSR) ? ", DSR ON" : - ", DSR off"; - dcd = (value & STATUS_CABLE_DCD) ? ", carrier ON" : - ", carrier off"; - } - dte = (value & STATUS_CABLE_DCE) ? " DCE" : " DTE"; - } - netdev_info(port->dev, "%s%s module, %s cable%s%s\n", - pm, dte, cable, dsr, dcd); - - if (value & STATUS_CABLE_DCD) - netif_carrier_on(port->dev); - else - netif_carrier_off(port->dev); -} - - - -/* Transmit complete interrupt service */ -static inline void wanxl_tx_intr(port_t *port) -{ - struct net_device *dev = port->dev; - while (1) { - desc_t *desc = &get_status(port)->tx_descs[port->tx_in]; - struct sk_buff *skb = port->tx_skbs[port->tx_in]; - - switch (desc->stat) { - case PACKET_FULL: - case PACKET_EMPTY: - netif_wake_queue(dev); - return; - - case PACKET_UNDERRUN: - dev->stats.tx_errors++; - dev->stats.tx_fifo_errors++; - break; - - default: - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - } - desc->stat = PACKET_EMPTY; /* Free descriptor */ - pci_unmap_single(port->card->pdev, desc->address, skb->len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); - port->tx_in = (port->tx_in + 1) % TX_BUFFERS; - } -} - - - -/* Receive complete interrupt service */ -static inline void wanxl_rx_intr(card_t *card) -{ - desc_t *desc; - while (desc = &card->status->rx_descs[card->rx_in], - desc->stat != PACKET_EMPTY) { - if ((desc->stat & PACKET_PORT_MASK) > card->n_ports) - pr_crit("%s: received packet for nonexistent port\n", - pci_name(card->pdev)); - else { - struct sk_buff *skb = card->rx_skbs[card->rx_in]; - port_t *port = &card->ports[desc->stat & - PACKET_PORT_MASK]; - struct net_device *dev = port->dev; - - if (!skb) - dev->stats.rx_dropped++; - else { - pci_unmap_single(card->pdev, desc->address, - BUFFER_LENGTH, - PCI_DMA_FROMDEVICE); - skb_put(skb, desc->length); - -#ifdef DEBUG_PKT - printk(KERN_DEBUG "%s RX(%i):", dev->name, - skb->len); - debug_frame(skb); -#endif - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; - skb->protocol = hdlc_type_trans(skb, dev); - netif_rx(skb); - skb = NULL; - } - - if (!skb) { - skb = dev_alloc_skb(BUFFER_LENGTH); - desc->address = skb ? - pci_map_single(card->pdev, skb->data, - BUFFER_LENGTH, - PCI_DMA_FROMDEVICE) : 0; - card->rx_skbs[card->rx_in] = skb; - } - } - desc->stat = PACKET_EMPTY; /* Free descriptor */ - card->rx_in = (card->rx_in + 1) % RX_QUEUE_LENGTH; - } -} - - - -static irqreturn_t wanxl_intr(int irq, void* dev_id) -{ - card_t *card = dev_id; - int i; - u32 stat; - int handled = 0; - - - while((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) { - handled = 1; - writel(stat, card->plx + PLX_DOORBELL_FROM_CARD); - - for (i = 0; i < card->n_ports; i++) { - if (stat & (1 << (DOORBELL_FROM_CARD_TX_0 + i))) - wanxl_tx_intr(&card->ports[i]); - if (stat & (1 << (DOORBELL_FROM_CARD_CABLE_0 + i))) - wanxl_cable_intr(&card->ports[i]); - } - if (stat & (1 << DOORBELL_FROM_CARD_RX)) - wanxl_rx_intr(card); - } - - return IRQ_RETVAL(handled); -} - - - -static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev) -{ - port_t *port = dev_to_port(dev); - desc_t *desc; - - spin_lock(&port->lock); - - desc = &get_status(port)->tx_descs[port->tx_out]; - if (desc->stat != PACKET_EMPTY) { - /* should never happen - previous xmit should stop queue */ -#ifdef DEBUG_PKT - printk(KERN_DEBUG "%s: transmitter buffer full\n", dev->name); -#endif - netif_stop_queue(dev); - spin_unlock(&port->lock); - return NETDEV_TX_BUSY; /* request packet to be queued */ - } - -#ifdef DEBUG_PKT - printk(KERN_DEBUG "%s TX(%i):", dev->name, skb->len); - debug_frame(skb); -#endif - - port->tx_skbs[port->tx_out] = skb; - desc->address = pci_map_single(port->card->pdev, skb->data, skb->len, - PCI_DMA_TODEVICE); - desc->length = skb->len; - desc->stat = PACKET_FULL; - writel(1 << (DOORBELL_TO_CARD_TX_0 + port->node), - port->card->plx + PLX_DOORBELL_TO_CARD); - - port->tx_out = (port->tx_out + 1) % TX_BUFFERS; - - if (get_status(port)->tx_descs[port->tx_out].stat != PACKET_EMPTY) { - netif_stop_queue(dev); -#ifdef DEBUG_PKT - printk(KERN_DEBUG "%s: transmitter buffer full\n", dev->name); -#endif - } - - spin_unlock(&port->lock); - return NETDEV_TX_OK; -} - - - -static int wanxl_attach(struct net_device *dev, unsigned short encoding, - unsigned short parity) -{ - port_t *port = dev_to_port(dev); - - if (encoding != ENCODING_NRZ && - encoding != ENCODING_NRZI) - return -EINVAL; - - if (parity != PARITY_NONE && - parity != PARITY_CRC32_PR1_CCITT && - parity != PARITY_CRC16_PR1_CCITT && - parity != PARITY_CRC32_PR0_CCITT && - parity != PARITY_CRC16_PR0_CCITT) - return -EINVAL; - - get_status(port)->encoding = encoding; - get_status(port)->parity = parity; - return 0; -} - - - -static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - const size_t size = sizeof(sync_serial_settings); - sync_serial_settings line; - port_t *port = dev_to_port(dev); - - if (cmd != SIOCWANDEV) - return hdlc_ioctl(dev, ifr, cmd); - - switch (ifr->ifr_settings.type) { - case IF_GET_IFACE: - ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL; - if (ifr->ifr_settings.size < size) { - ifr->ifr_settings.size = size; /* data size wanted */ - return -ENOBUFS; - } - line.clock_type = get_status(port)->clocking; - line.clock_rate = 0; - line.loopback = 0; - - if (copy_to_user(ifr->ifr_settings.ifs_ifsu.sync, &line, size)) - return -EFAULT; - return 0; - - case IF_IFACE_SYNC_SERIAL: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - if (dev->flags & IFF_UP) - return -EBUSY; - - if (copy_from_user(&line, ifr->ifr_settings.ifs_ifsu.sync, - size)) - return -EFAULT; - - if (line.clock_type != CLOCK_EXT && - line.clock_type != CLOCK_TXFROMRX) - return -EINVAL; /* No such clock setting */ - - if (line.loopback != 0) - return -EINVAL; - - get_status(port)->clocking = line.clock_type; - return 0; - - default: - return hdlc_ioctl(dev, ifr, cmd); - } -} - - - -static int wanxl_open(struct net_device *dev) -{ - port_t *port = dev_to_port(dev); - u8 __iomem *dbr = port->card->plx + PLX_DOORBELL_TO_CARD; - unsigned long timeout; - int i; - - if (get_status(port)->open) { - netdev_err(dev, "port already open\n"); - return -EIO; - } - if ((i = hdlc_open(dev)) != 0) - return i; - - port->tx_in = port->tx_out = 0; - for (i = 0; i < TX_BUFFERS; i++) - get_status(port)->tx_descs[i].stat = PACKET_EMPTY; - /* signal the card */ - writel(1 << (DOORBELL_TO_CARD_OPEN_0 + port->node), dbr); - - timeout = jiffies + HZ; - do { - if (get_status(port)->open) { - netif_start_queue(dev); - return 0; - } - } while (time_after(timeout, jiffies)); - - netdev_err(dev, "unable to open port\n"); - /* ask the card to close the port, should it be still alive */ - writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node), dbr); - return -EFAULT; -} - - - -static int wanxl_close(struct net_device *dev) -{ - port_t *port = dev_to_port(dev); - unsigned long timeout; - int i; - - hdlc_close(dev); - /* signal the card */ - writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node), - port->card->plx + PLX_DOORBELL_TO_CARD); - - timeout = jiffies + HZ; - do { - if (!get_status(port)->open) - break; - } while (time_after(timeout, jiffies)); - - if (get_status(port)->open) - netdev_err(dev, "unable to close port\n"); - - netif_stop_queue(dev); - - for (i = 0; i < TX_BUFFERS; i++) { - desc_t *desc = &get_status(port)->tx_descs[i]; - - if (desc->stat != PACKET_EMPTY) { - desc->stat = PACKET_EMPTY; - pci_unmap_single(port->card->pdev, desc->address, - port->tx_skbs[i]->len, - PCI_DMA_TODEVICE); - dev_kfree_skb(port->tx_skbs[i]); - } - } - return 0; -} - - - -static struct net_device_stats *wanxl_get_stats(struct net_device *dev) -{ - port_t *port = dev_to_port(dev); - - dev->stats.rx_over_errors = get_status(port)->rx_overruns; - dev->stats.rx_frame_errors = get_status(port)->rx_frame_errors; - dev->stats.rx_errors = dev->stats.rx_over_errors + - dev->stats.rx_frame_errors; - return &dev->stats; -} - - - -static int wanxl_puts_command(card_t *card, u32 cmd) -{ - unsigned long timeout = jiffies + 5 * HZ; - - writel(cmd, card->plx + PLX_MAILBOX_1); - do { - if (readl(card->plx + PLX_MAILBOX_1) == 0) - return 0; - - schedule(); - }while (time_after(timeout, jiffies)); - - return -1; -} - - - -static void wanxl_reset(card_t *card) -{ - u32 old_value = readl(card->plx + PLX_CONTROL) & ~PLX_CTL_RESET; - - writel(0x80, card->plx + PLX_MAILBOX_0); - writel(old_value | PLX_CTL_RESET, card->plx + PLX_CONTROL); - readl(card->plx + PLX_CONTROL); /* wait for posted write */ - udelay(1); - writel(old_value, card->plx + PLX_CONTROL); - readl(card->plx + PLX_CONTROL); /* wait for posted write */ -} - - - -static void wanxl_pci_remove_one(struct pci_dev *pdev) -{ - card_t *card = pci_get_drvdata(pdev); - int i; - - for (i = 0; i < card->n_ports; i++) { - unregister_hdlc_device(card->ports[i].dev); - free_netdev(card->ports[i].dev); - } - - /* unregister and free all host resources */ - if (card->irq) - free_irq(card->irq, card); - - wanxl_reset(card); - - for (i = 0; i < RX_QUEUE_LENGTH; i++) - if (card->rx_skbs[i]) { - pci_unmap_single(card->pdev, - card->status->rx_descs[i].address, - BUFFER_LENGTH, PCI_DMA_FROMDEVICE); - dev_kfree_skb(card->rx_skbs[i]); - } - - if (card->plx) - iounmap(card->plx); - - if (card->status) - pci_free_consistent(pdev, sizeof(card_status_t), - card->status, card->status_address); - - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - kfree(card); -} - - -#include "wanxlfw.inc" - -static const struct net_device_ops wanxl_ops = { - .ndo_open = wanxl_open, - .ndo_stop = wanxl_close, - .ndo_change_mtu = hdlc_change_mtu, - .ndo_start_xmit = hdlc_start_xmit, - .ndo_do_ioctl = wanxl_ioctl, - .ndo_get_stats = wanxl_get_stats, -}; - -static int __devinit wanxl_pci_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - card_t *card; - u32 ramsize, stat; - unsigned long timeout; - u32 plx_phy; /* PLX PCI base address */ - u32 mem_phy; /* memory PCI base addr */ - u8 __iomem *mem; /* memory virtual base addr */ - int i, ports, alloc_size; - -#ifndef MODULE - pr_info_once("%s\n", version); -#endif - - i = pci_enable_device(pdev); - if (i) - return i; - - /* QUICC can only access first 256 MB of host RAM directly, - but PLX9060 DMA does 32-bits for actual packet data transfers */ - - /* FIXME when PCI/DMA subsystems are fixed. - We set both dma_mask and consistent_dma_mask to 28 bits - and pray pci_alloc_consistent() will use this info. It should - work on most platforms */ - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(28)) || - pci_set_dma_mask(pdev, DMA_BIT_MASK(28))) { - pr_err("No usable DMA configuration\n"); - return -EIO; - } - - i = pci_request_regions(pdev, "wanXL"); - if (i) { - pci_disable_device(pdev); - return i; - } - - switch (pdev->device) { - case PCI_DEVICE_ID_SBE_WANXL100: ports = 1; break; - case PCI_DEVICE_ID_SBE_WANXL200: ports = 2; break; - default: ports = 4; - } - - alloc_size = sizeof(card_t) + ports * sizeof(port_t); - card = kzalloc(alloc_size, GFP_KERNEL); - if (card == NULL) { - pci_release_regions(pdev); - pci_disable_device(pdev); - return -ENOBUFS; - } - - pci_set_drvdata(pdev, card); - card->pdev = pdev; - - card->status = pci_alloc_consistent(pdev, sizeof(card_status_t), - &card->status_address); - if (card->status == NULL) { - wanxl_pci_remove_one(pdev); - return -ENOBUFS; - } - -#ifdef DEBUG_PCI - printk(KERN_DEBUG "wanXL %s: pci_alloc_consistent() returned memory" - " at 0x%LX\n", pci_name(pdev), - (unsigned long long)card->status_address); -#endif - - /* FIXME when PCI/DMA subsystems are fixed. - We set both dma_mask and consistent_dma_mask back to 32 bits - to indicate the card can do 32-bit DMA addressing */ - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) || - pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { - pr_err("No usable DMA configuration\n"); - wanxl_pci_remove_one(pdev); - return -EIO; - } - - /* set up PLX mapping */ - plx_phy = pci_resource_start(pdev, 0); - - card->plx = ioremap_nocache(plx_phy, 0x70); - if (!card->plx) { - pr_err("ioremap() failed\n"); - wanxl_pci_remove_one(pdev); - return -EFAULT; - } - -#if RESET_WHILE_LOADING - wanxl_reset(card); -#endif - - timeout = jiffies + 20 * HZ; - while ((stat = readl(card->plx + PLX_MAILBOX_0)) != 0) { - if (time_before(timeout, jiffies)) { - pr_warn("%s: timeout waiting for PUTS to complete\n", - pci_name(pdev)); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - - switch(stat & 0xC0) { - case 0x00: /* hmm - PUTS completed with non-zero code? */ - case 0x80: /* PUTS still testing the hardware */ - break; - - default: - pr_warn("%s: PUTS test 0x%X failed\n", - pci_name(pdev), stat & 0x30); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - - schedule(); - } - - /* get on-board memory size (PUTS detects no more than 4 MB) */ - ramsize = readl(card->plx + PLX_MAILBOX_2) & MBX2_MEMSZ_MASK; - - /* set up on-board RAM mapping */ - mem_phy = pci_resource_start(pdev, 2); - - - /* sanity check the board's reported memory size */ - if (ramsize < BUFFERS_ADDR + - (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports) { - pr_warn("%s: no enough on-board RAM (%u bytes detected, %u bytes required)\n", - pci_name(pdev), ramsize, - BUFFERS_ADDR + - (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - - if (wanxl_puts_command(card, MBX1_CMD_BSWAP)) { - pr_warn("%s: unable to Set Byte Swap Mode\n", pci_name(pdev)); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - - for (i = 0; i < RX_QUEUE_LENGTH; i++) { - struct sk_buff *skb = dev_alloc_skb(BUFFER_LENGTH); - card->rx_skbs[i] = skb; - if (skb) - card->status->rx_descs[i].address = - pci_map_single(card->pdev, skb->data, - BUFFER_LENGTH, - PCI_DMA_FROMDEVICE); - } - - mem = ioremap_nocache(mem_phy, PDM_OFFSET + sizeof(firmware)); - if (!mem) { - pr_err("ioremap() failed\n"); - wanxl_pci_remove_one(pdev); - return -EFAULT; - } - - for (i = 0; i < sizeof(firmware); i += 4) - writel(ntohl(*(__be32*)(firmware + i)), mem + PDM_OFFSET + i); - - for (i = 0; i < ports; i++) - writel(card->status_address + - (void *)&card->status->port_status[i] - - (void *)card->status, mem + PDM_OFFSET + 4 + i * 4); - writel(card->status_address, mem + PDM_OFFSET + 20); - writel(PDM_OFFSET, mem); - iounmap(mem); - - writel(0, card->plx + PLX_MAILBOX_5); - - if (wanxl_puts_command(card, MBX1_CMD_ABORTJ)) { - pr_warn("%s: unable to Abort and Jump\n", pci_name(pdev)); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - - stat = 0; - timeout = jiffies + 5 * HZ; - do { - if ((stat = readl(card->plx + PLX_MAILBOX_5)) != 0) - break; - schedule(); - }while (time_after(timeout, jiffies)); - - if (!stat) { - pr_warn("%s: timeout while initializing card firmware\n", - pci_name(pdev)); - wanxl_pci_remove_one(pdev); - return -ENODEV; - } - -#if DETECT_RAM - ramsize = stat; -#endif - - pr_info("%s: at 0x%X, %u KB of RAM at 0x%X, irq %u\n", - pci_name(pdev), plx_phy, ramsize / 1024, mem_phy, pdev->irq); - - /* Allocate IRQ */ - if (request_irq(pdev->irq, wanxl_intr, IRQF_SHARED, "wanXL", card)) { - pr_warn("%s: could not allocate IRQ%i\n", - pci_name(pdev), pdev->irq); - wanxl_pci_remove_one(pdev); - return -EBUSY; - } - card->irq = pdev->irq; - - for (i = 0; i < ports; i++) { - hdlc_device *hdlc; - port_t *port = &card->ports[i]; - struct net_device *dev = alloc_hdlcdev(port); - if (!dev) { - pr_err("%s: unable to allocate memory\n", - pci_name(pdev)); - wanxl_pci_remove_one(pdev); - return -ENOMEM; - } - - port->dev = dev; - hdlc = dev_to_hdlc(dev); - spin_lock_init(&port->lock); - dev->tx_queue_len = 50; - dev->netdev_ops = &wanxl_ops; - hdlc->attach = wanxl_attach; - hdlc->xmit = wanxl_xmit; - port->card = card; - port->node = i; - get_status(port)->clocking = CLOCK_EXT; - if (register_hdlc_device(dev)) { - pr_err("%s: unable to register hdlc device\n", - pci_name(pdev)); - free_netdev(dev); - wanxl_pci_remove_one(pdev); - return -ENOBUFS; - } - card->n_ports++; - } - - pr_info("%s: port", pci_name(pdev)); - for (i = 0; i < ports; i++) - pr_cont("%s #%i: %s", - i ? "," : "", i, card->ports[i].dev->name); - pr_cont("\n"); - - for (i = 0; i < ports; i++) - wanxl_cable_intr(&card->ports[i]); /* get carrier status etc.*/ - - return 0; -} - -static DEFINE_PCI_DEVICE_TABLE(wanxl_pci_tbl) = { - { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL100, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0 }, - { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL200, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0 }, - { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL400, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0 }, - { 0, } -}; - - -static struct pci_driver wanxl_pci_driver = { - .name = "wanXL", - .id_table = wanxl_pci_tbl, - .probe = wanxl_pci_init_one, - .remove = wanxl_pci_remove_one, -}; - - -static int __init wanxl_init_module(void) -{ -#ifdef MODULE - pr_info("%s\n", version); -#endif - return pci_register_driver(&wanxl_pci_driver); -} - -static void __exit wanxl_cleanup_module(void) -{ - pci_unregister_driver(&wanxl_pci_driver); -} - - -MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>"); -MODULE_DESCRIPTION("SBE Inc. wanXL serial port driver"); -MODULE_LICENSE("GPL v2"); -MODULE_DEVICE_TABLE(pci, wanxl_pci_tbl); - -module_init(wanxl_init_module); -module_exit(wanxl_cleanup_module); |