diff options
Diffstat (limited to 'drivers/net/wan')
| -rw-r--r-- | drivers/net/wan/Kconfig | 29 | ||||
| -rw-r--r-- | drivers/net/wan/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wan/cosa.c | 4 | ||||
| -rw-r--r-- | drivers/net/wan/hdlc.c | 3 | ||||
| -rw-r--r-- | drivers/net/wan/hostess_sv11.c | 2 | ||||
| -rw-r--r-- | drivers/net/wan/pc300_drv.c | 2 | ||||
| -rw-r--r-- | drivers/net/wan/pc300_tty.c | 2 | ||||
| -rw-r--r-- | drivers/net/wan/pc300too.c | 565 | ||||
| -rw-r--r-- | drivers/net/wan/x25_asy.c | 8 | ||||
| -rw-r--r-- | drivers/net/wan/z85230.c | 14 |
10 files changed, 593 insertions, 37 deletions
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index d5ab9cf..61708cf 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -235,6 +235,19 @@ comment "Cyclades-PC300 MLPPP support is disabled." comment "Refer to the file README.mlppp, provided by PC300 package." depends on WAN && HDLC && PC300 && (PPP=n || !PPP_MULTILINK || PPP_SYNC_TTY=n || !HDLC_PPP) +config PC300TOO + tristate "Cyclades PC300 RSV/X21 alternative support" + depends on HDLC && PCI + help + Alternative driver for PC300 RSV/X21 PCI cards made by + Cyclades, Inc. If you have such a card, say Y here and see + <http://www.kernel.org/pub/linux/utils/net/hdlc/>. + + To compile this as a module, choose M here: the module + will be called pc300too. + + If unsure, say N here. + config N2 tristate "SDL RISCom/N2 support" depends on HDLC && ISA @@ -344,17 +357,6 @@ config DLCI To compile this driver as a module, choose M here: the module will be called dlci. -config DLCI_COUNT - int "Max open DLCI" - depends on DLCI - default "24" - help - Maximal number of logical point-to-point frame relay connections - (the identifiers of which are called DCLIs) that the driver can - handle. - - The default is probably fine. - config DLCI_MAX int "Max DLCI per device" depends on DLCI @@ -382,7 +384,7 @@ config SDLA # Wan router core. config WAN_ROUTER_DRIVERS - bool "WAN router drivers" + tristate "WAN router drivers" depends on WAN && WAN_ROUTER ---help--- Connect LAN to WAN via Linux box. @@ -393,7 +395,8 @@ config WAN_ROUTER_DRIVERS <file:Documentation/networking/wan-router.txt>. Note that the answer to this question won't directly affect the - kernel: saying N will just cause the configurator to skip all + kernel except for how subordinate drivers may be built: + saying N will just cause the configurator to skip all the questions about WAN router drivers. If unsure, say N. diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile index 83ec2c8..d61fef3 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_N2) += n2.o obj-$(CONFIG_C101) += c101.o obj-$(CONFIG_WANXL) += wanxl.o obj-$(CONFIG_PCI200SYN) += pci200syn.o +obj-$(CONFIG_PC300TOO) += pc300too.o clean-files := wanxlfw.inc $(obj)/wanxl.o: $(obj)/wanxlfw.inc diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index e1bf8b9..6c7dfb5 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -974,12 +974,12 @@ static int cosa_open(struct inode *inode, struct file *file) unsigned long flags; int n; - if ((n=iminor(file->f_dentry->d_inode)>>CARD_MINOR_BITS) + if ((n=iminor(file->f_path.dentry->d_inode)>>CARD_MINOR_BITS) >= nr_cards) return -ENODEV; cosa = cosa_cards+n; - if ((n=iminor(file->f_dentry->d_inode) + if ((n=iminor(file->f_path.dentry->d_inode) & ((1<<CARD_MINOR_BITS)-1)) >= cosa->nchannels) return -ENODEV; chan = cosa->chan + n; diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index db354e0..9040d7c 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -222,7 +222,7 @@ int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return -EINVAL; } -void hdlc_setup(struct net_device *dev) +static void hdlc_setup(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); @@ -325,7 +325,6 @@ MODULE_LICENSE("GPL v2"); EXPORT_SYMBOL(hdlc_open); EXPORT_SYMBOL(hdlc_close); EXPORT_SYMBOL(hdlc_ioctl); -EXPORT_SYMBOL(hdlc_setup); EXPORT_SYMBOL(alloc_hdlcdev); EXPORT_SYMBOL(unregister_hdlc_device); EXPORT_SYMBOL(register_hdlc_protocol); diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c index a4f7357..a02c5fb 100644 --- a/drivers/net/wan/hostess_sv11.c +++ b/drivers/net/wan/hostess_sv11.c @@ -231,7 +231,7 @@ static struct sv11_device *sv11_init(int iobase, int irq) return NULL; } - sv=(struct sv11_device *)kmalloc(sizeof(struct sv11_device), GFP_KERNEL); + sv = kmalloc(sizeof(struct sv11_device), GFP_KERNEL); if(!sv) goto fail3; diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c index 36d1c3f..62184de 100644 --- a/drivers/net/wan/pc300_drv.c +++ b/drivers/net/wan/pc300_drv.c @@ -3455,7 +3455,7 @@ cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if ((err = pci_enable_device(pdev)) < 0) return err; - card = (pc300_t *) kmalloc(sizeof(pc300_t), GFP_KERNEL); + card = kmalloc(sizeof(pc300_t), GFP_KERNEL); if (card == NULL) { printk("PC300 found at RAM 0x%016llx, " "but could not allocate card structure.\n", diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index b2a23ae..5873c34 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -784,7 +784,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev) continue; } - new = (st_cpc_rx_buf *)kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC); + new = kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC); if (new == 0) { cpc_tty_rx_disc_frame(pc300chan); continue; diff --git a/drivers/net/wan/pc300too.c b/drivers/net/wan/pc300too.c new file mode 100644 index 0000000..bc156b5 --- /dev/null +++ b/drivers/net/wan/pc300too.c @@ -0,0 +1,565 @@ +/* + * Cyclades PC300 synchronous serial card driver for Linux + * + * Copyright (C) 2000-2007 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. + * + * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/>. + * + * Sources of information: + * Hitachi HD64572 SCA-II User's Manual + * Cyclades PC300 Linux driver + * + * This driver currently supports only PC300/RSV (V.24/V.35) and + * PC300/X21 cards. + */ + +#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/in.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/moduleparam.h> +#include <linux/netdevice.h> +#include <linux/hdlc.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <asm/io.h> + +#include "hd64572.h" + +static const char* version = "Cyclades PC300 driver version: 1.17"; +static const char* devname = "PC300"; + +#undef DEBUG_PKT +#define DEBUG_RINGS + +#define PC300_PLX_SIZE 0x80 /* PLX control window size (128 B) */ +#define PC300_SCA_SIZE 0x400 /* SCA window size (1 KB) */ +#define ALL_PAGES_ALWAYS_MAPPED +#define NEED_DETECT_RAM +#define NEED_SCA_MSCI_INTR +#define MAX_TX_BUFFERS 10 + +static int pci_clock_freq = 33000000; +static int use_crystal_clock = 0; +static unsigned int CLOCK_BASE; + +/* Masks to access the init_ctrl PLX register */ +#define PC300_CLKSEL_MASK (0x00000004UL) +#define PC300_CHMEDIA_MASK(port) (0x00000020UL << ((port) * 3)) +#define PC300_CTYPE_MASK (0x00000800UL) + + +enum { PC300_RSV = 1, PC300_X21, PC300_TE }; /* card types */ + +/* + * PLX PCI9050-1 local configuration and shared runtime registers. + * This structure can be used to access 9050 registers (memory mapped). + */ +typedef struct { + u32 loc_addr_range[4]; /* 00-0Ch : Local Address Ranges */ + u32 loc_rom_range; /* 10h : Local ROM Range */ + u32 loc_addr_base[4]; /* 14-20h : Local Address Base Addrs */ + u32 loc_rom_base; /* 24h : Local ROM Base */ + u32 loc_bus_descr[4]; /* 28-34h : Local Bus Descriptors */ + u32 rom_bus_descr; /* 38h : ROM Bus Descriptor */ + u32 cs_base[4]; /* 3C-48h : Chip Select Base Addrs */ + u32 intr_ctrl_stat; /* 4Ch : Interrupt Control/Status */ + u32 init_ctrl; /* 50h : EEPROM ctrl, Init Ctrl, etc */ +}plx9050; + + + +typedef struct port_s { + struct net_device *dev; + struct card_s *card; + spinlock_t lock; /* TX lock */ + sync_serial_settings settings; + int rxpart; /* partial frame received, next frame invalid*/ + unsigned short encoding; + unsigned short parity; + unsigned int iface; + u16 rxin; /* rx ring buffer 'in' pointer */ + u16 txin; /* tx ring buffer 'in' and 'last' pointers */ + u16 txlast; + u8 rxs, txs, tmc; /* SCA registers */ + u8 phy_node; /* physical port # - 0 or 1 */ +}port_t; + + + +typedef struct card_s { + int type; /* RSV, X21, etc. */ + int n_ports; /* 1 or 2 ports */ + u8 __iomem *rambase; /* buffer memory base (virtual) */ + u8 __iomem *scabase; /* SCA memory base (virtual) */ + plx9050 __iomem *plxbase; /* PLX registers memory base (virtual) */ + u32 init_ctrl_value; /* Saved value - 9050 bug workaround */ + u16 rx_ring_buffers; /* number of buffers in a ring */ + u16 tx_ring_buffers; + u16 buff_offset; /* offset of first buffer of first channel */ + u8 irq; /* interrupt request level */ + + port_t ports[2]; +}card_t; + + +#define sca_in(reg, card) readb(card->scabase + (reg)) +#define sca_out(value, reg, card) writeb(value, card->scabase + (reg)) +#define sca_inw(reg, card) readw(card->scabase + (reg)) +#define sca_outw(value, reg, card) writew(value, card->scabase + (reg)) +#define sca_inl(reg, card) readl(card->scabase + (reg)) +#define sca_outl(value, reg, card) writel(value, card->scabase + (reg)) + +#define port_to_card(port) (port->card) +#define log_node(port) (port->phy_node) +#define phy_node(port) (port->phy_node) +#define winbase(card) (card->rambase) +#define get_port(card, port) ((port) < (card)->n_ports ? \ + (&(card)->ports[port]) : (NULL)) + +#include "hd6457x.c" + + +static void pc300_set_iface(port_t *port) +{ + card_t *card = port->card; + u32 __iomem * init_ctrl = &card->plxbase->init_ctrl; + u16 msci = get_msci(port); + u8 rxs = port->rxs & CLK_BRG_MASK; + u8 txs = port->txs & CLK_BRG_MASK; + + sca_out(EXS_TES1, (phy_node(port) ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS, + port_to_card(port)); + switch(port->settings.clock_type) { + case CLOCK_INT: + rxs |= CLK_BRG; /* BRG output */ + txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */ + break; + + case CLOCK_TXINT: + rxs |= CLK_LINE; /* RXC input */ + txs |= CLK_PIN_OUT | CLK_BRG; /* BRG output */ + break; + + case CLOCK_TXFROMRX: + rxs |= CLK_LINE; /* RXC input */ + txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */ + break; + + default: /* EXTernal clock */ + rxs |= CLK_LINE; /* RXC input */ + txs |= CLK_PIN_OUT | CLK_LINE; /* TXC input */ + break; + } + + port->rxs = rxs; + port->txs = txs; + sca_out(rxs, msci + RXS, card); + sca_out(txs, msci + TXS, card); + sca_set_port(port); + + if (port->card->type == PC300_RSV) { + if (port->iface == IF_IFACE_V35) + writel(card->init_ctrl_value | + PC300_CHMEDIA_MASK(port->phy_node), init_ctrl); + else + writel(card->init_ctrl_value & + ~PC300_CHMEDIA_MASK(port->phy_node), init_ctrl); + } +} + + + +static int pc300_open(struct net_device *dev) +{ + port_t *port = dev_to_port(dev); + + int result = hdlc_open(dev); + if (result) + return result; + + sca_open(dev); + pc300_set_iface(port); + return 0; +} + + + +static int pc300_close(struct net_device *dev) +{ + sca_close(dev); + hdlc_close(dev); + return 0; +} + + + +static int pc300_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + const size_t size = sizeof(sync_serial_settings); + sync_serial_settings new_line; + sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync; + int new_type; + port_t *port = dev_to_port(dev); + +#ifdef DEBUG_RINGS + if (cmd == SIOCDEVPRIVATE) { + sca_dump_rings(dev); + return 0; + } +#endif + if (cmd != SIOCWANDEV) + return hdlc_ioctl(dev, ifr, cmd); + + if (ifr->ifr_settings.type == IF_GET_IFACE) { + ifr->ifr_settings.type = port->iface; + if (ifr->ifr_settings.size < size) { + ifr->ifr_settings.size = size; /* data size wanted */ + return -ENOBUFS; + } + if (copy_to_user(line, &port->settings, size)) + return -EFAULT; + return 0; + + } + + if (port->card->type == PC300_X21 && + (ifr->ifr_settings.type == IF_IFACE_SYNC_SERIAL || + ifr->ifr_settings.type == IF_IFACE_X21)) + new_type = IF_IFACE_X21; + + else if (port->card->type == PC300_RSV && + (ifr->ifr_settings.type == IF_IFACE_SYNC_SERIAL || + ifr->ifr_settings.type == IF_IFACE_V35)) + new_type = IF_IFACE_V35; + + else if (port->card->type == PC300_RSV && + ifr->ifr_settings.type == IF_IFACE_V24) + new_type = IF_IFACE_V24; + + else + return hdlc_ioctl(dev, ifr, cmd); + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (copy_from_user(&new_line, line, size)) + return -EFAULT; + + if (new_line.clock_type != CLOCK_EXT && + new_line.clock_type != CLOCK_TXFROMRX && + new_line.clock_type != CLOCK_INT && + new_line.clock_type != CLOCK_TXINT) + return -EINVAL; /* No such clock setting */ + + if (new_line.loopback != 0 && new_line.loopback != 1) + return -EINVAL; + + memcpy(&port->settings, &new_line, size); /* Update settings */ + port->iface = new_type; + pc300_set_iface(port); + return 0; +} + + + +static void pc300_pci_remove_one(struct pci_dev *pdev) +{ + int i; + card_t *card = pci_get_drvdata(pdev); + + for (i = 0; i < 2; i++) + if (card->ports[i].card) { + struct net_device *dev = port_to_dev(&card->ports[i]); + unregister_hdlc_device(dev); + } + + if (card->irq) + free_irq(card->irq, card); + + if (card->rambase) + iounmap(card->rambase); + if (card->scabase) + iounmap(card->scabase); + if (card->plxbase) + iounmap(card->plxbase); + + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + if (card->ports[0].dev) + free_netdev(card->ports[0].dev); + if (card->ports[1].dev) + free_netdev(card->ports[1].dev); + kfree(card); +} + + + +static int __devinit pc300_pci_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + card_t *card; + u8 rev_id; + u32 __iomem *p; + int i; + u32 ramsize; + u32 ramphys; /* buffer memory base */ + u32 scaphys; /* SCA memory base */ + u32 plxphys; /* PLX registers memory base */ + +#ifndef MODULE + static int printed_version; + if (!printed_version++) + printk(KERN_INFO "%s\n", version); +#endif + + i = pci_enable_device(pdev); + if (i) + return i; + + i = pci_request_regions(pdev, "PC300"); + if (i) { + pci_disable_device(pdev); + return i; + } + + card = kmalloc(sizeof(card_t), GFP_KERNEL); + if (card == NULL) { + printk(KERN_ERR "pc300: unable to allocate memory\n"); + pci_release_regions(pdev); + pci_disable_device(pdev); + return -ENOBUFS; + } + memset(card, 0, sizeof(card_t)); + pci_set_drvdata(pdev, card); + + if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 || + pdev->device == PCI_DEVICE_ID_PC300_TE_2) + card->type = PC300_TE; /* not fully supported */ + else if (card->init_ctrl_value & PC300_CTYPE_MASK) + card->type = PC300_X21; + else + card->type = PC300_RSV; + + if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 || + pdev->device == PCI_DEVICE_ID_PC300_TE_1) + card->n_ports = 1; + else + card->n_ports = 2; + + for (i = 0; i < card->n_ports; i++) + if (!(card->ports[i].dev = alloc_hdlcdev(&card->ports[i]))) { + printk(KERN_ERR "pc300: unable to allocate memory\n"); + pc300_pci_remove_one(pdev); + return -ENOMEM; + } + + pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id); + if (pci_resource_len(pdev, 0) != PC300_PLX_SIZE || + pci_resource_len(pdev, 2) != PC300_SCA_SIZE || + pci_resource_len(pdev, 3) < 16384) { + printk(KERN_ERR "pc300: invalid card EEPROM parameters\n"); + pc300_pci_remove_one(pdev); + return -EFAULT; + } + + plxphys = pci_resource_start(pdev,0) & PCI_BASE_ADDRESS_MEM_MASK; + card->plxbase = ioremap(plxphys, PC300_PLX_SIZE); + + scaphys = pci_resource_start(pdev,2) & PCI_BASE_ADDRESS_MEM_MASK; + card->scabase = ioremap(scaphys, PC300_SCA_SIZE); + + ramphys = pci_resource_start(pdev,3) & PCI_BASE_ADDRESS_MEM_MASK; + card->rambase = ioremap(ramphys, pci_resource_len(pdev,3)); + + if (card->plxbase == NULL || + card->scabase == NULL || + card->rambase == NULL) { + printk(KERN_ERR "pc300: ioremap() failed\n"); + pc300_pci_remove_one(pdev); + } + + /* PLX PCI 9050 workaround for local configuration register read bug */ + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, scaphys); + card->init_ctrl_value = readl(&((plx9050 __iomem *)card->scabase)->init_ctrl); + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, plxphys); + + /* Reset PLX */ + p = &card->plxbase->init_ctrl; + writel(card->init_ctrl_value | 0x40000000, p); + readl(p); /* Flush the write - do not use sca_flush */ + udelay(1); + + writel(card->init_ctrl_value, p); + readl(p); /* Flush the write - do not use sca_flush */ + udelay(1); + + /* Reload Config. Registers from EEPROM */ + writel(card->init_ctrl_value | 0x20000000, p); + readl(p); /* Flush the write - do not use sca_flush */ + udelay(1); + + writel(card->init_ctrl_value, p); + readl(p); /* Flush the write - do not use sca_flush */ + udelay(1); + + ramsize = sca_detect_ram(card, card->rambase, + pci_resource_len(pdev, 3)); + + if (use_crystal_clock) + card->init_ctrl_value &= ~PC300_CLKSEL_MASK; + else + card->init_ctrl_value |= PC300_CLKSEL_MASK; + + writel(card->init_ctrl_value, &card->plxbase->init_ctrl); + /* number of TX + RX buffers for one port */ + i = ramsize / (card->n_ports * (sizeof(pkt_desc) + HDLC_MAX_MRU)); + card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS); + card->rx_ring_buffers = i - card->tx_ring_buffers; + + card->buff_offset = card->n_ports * sizeof(pkt_desc) * + (card->tx_ring_buffers + card->rx_ring_buffers); + + printk(KERN_INFO "pc300: PC300/%s, %u KB RAM at 0x%x, IRQ%u, " + "using %u TX + %u RX packets rings\n", + card->type == PC300_X21 ? "X21" : + card->type == PC300_TE ? "TE" : "RSV", + ramsize / 1024, ramphys, pdev->irq, + card->tx_ring_buffers, card->rx_ring_buffers); + + if (card->tx_ring_buffers < 1) { + printk(KERN_ERR "pc300: RAM test failed\n"); + pc300_pci_remove_one(pdev); + return -EFAULT; + } + + /* Enable interrupts on the PCI bridge, LINTi1 active low */ + writew(0x0041, &card->plxbase->intr_ctrl_stat); + + /* Allocate IRQ */ + if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, devname, card)) { + printk(KERN_WARNING "pc300: could not allocate IRQ%d.\n", + pdev->irq); + pc300_pci_remove_one(pdev); + return -EBUSY; + } + card->irq = pdev->irq; + + sca_init(card, 0); + + // COTE not set - allows better TX DMA settings + // sca_out(sca_in(PCR, card) | PCR_COTE, PCR, card); + + sca_out(0x10, BTCR, card); + + for (i = 0; i < card->n_ports; i++) { + port_t *port = &card->ports[i]; + struct net_device *dev = port_to_dev(port); + hdlc_device *hdlc = dev_to_hdlc(dev); + port->phy_node = i; + + spin_lock_init(&port->lock); + SET_MODULE_OWNER(dev); + dev->irq = card->irq; + dev->mem_start = ramphys; + dev->mem_end = ramphys + ramsize - 1; + dev->tx_queue_len = 50; + dev->do_ioctl = pc300_ioctl; + dev->open = pc300_open; + dev->stop = pc300_close; + hdlc->attach = sca_attach; + hdlc->xmit = sca_xmit; + port->settings.clock_type = CLOCK_EXT; + port->card = card; + if (card->type == PC300_X21) + port->iface = IF_IFACE_X21; + else + port->iface = IF_IFACE_V35; + + if (register_hdlc_device(dev)) { + printk(KERN_ERR "pc300: unable to register hdlc " + "device\n"); + port->card = NULL; + pc300_pci_remove_one(pdev); + return -ENOBUFS; + } + sca_init_sync_port(port); /* Set up SCA memory */ + + printk(KERN_INFO "%s: PC300 node %d\n", + dev->name, port->phy_node); + } + return 0; +} + + + +static struct pci_device_id pc300_pci_tbl[] __devinitdata = { + { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_RX_1, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_RX_2, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_TE_1, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_PC300_TE_2, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { 0, } +}; + + +static struct pci_driver pc300_pci_driver = { + .name = "PC300", + .id_table = pc300_pci_tbl, + .probe = pc300_pci_init_one, + .remove = pc300_pci_remove_one, +}; + + +static int __init pc300_init_module(void) +{ +#ifdef MODULE + printk(KERN_INFO "%s\n", version); +#endif + if (pci_clock_freq < 1000000 || pci_clock_freq > 80000000) { + printk(KERN_ERR "pc300: Invalid PCI clock frequency\n"); + return -EINVAL; + } + if (use_crystal_clock != 0 && use_crystal_clock != 1) { + printk(KERN_ERR "pc300: Invalid 'use_crystal_clock' value\n"); + return -EINVAL; + } + + CLOCK_BASE = use_crystal_clock ? 24576000 : pci_clock_freq; + + return pci_module_init(&pc300_pci_driver); +} + + + +static void __exit pc300_cleanup_module(void) +{ + pci_unregister_driver(&pc300_pci_driver); +} + +MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>"); +MODULE_DESCRIPTION("Cyclades PC300 serial port driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(pci, pc300_pci_tbl); +module_param(pci_clock_freq, int, 0444); +MODULE_PARM_DESC(pci_clock_freq, "System PCI clock frequency in Hz"); +module_param(use_crystal_clock, int, 0444); +MODULE_PARM_DESC(use_crystal_clock, + "Use 24.576 MHz clock instead of PCI clock"); +module_init(pc300_init_module); +module_exit(pc300_cleanup_module); diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index 9c3ccc6..1c9edd9 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -123,8 +123,8 @@ static int x25_asy_change_mtu(struct net_device *dev, int newmtu) unsigned char *xbuff, *rbuff; int len = 2* newmtu; - xbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); - rbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC); + xbuff = kmalloc(len + 4, GFP_ATOMIC); + rbuff = kmalloc(len + 4, GFP_ATOMIC); if (xbuff == NULL || rbuff == NULL) { @@ -465,11 +465,11 @@ static int x25_asy_open(struct net_device *dev) len = dev->mtu * 2; - sl->rbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL); + sl->rbuff = kmalloc(len + 4, GFP_KERNEL); if (sl->rbuff == NULL) { goto norbuff; } - sl->xbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL); + sl->xbuff = kmalloc(len + 4, GFP_KERNEL); if (sl->xbuff == NULL) { goto noxbuff; } diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index 59ddd21..8dbcf83 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -331,8 +331,7 @@ static void z8530_rtsdtr(struct z8530_channel *c, int set) static void z8530_rx(struct z8530_channel *c) { u8 ch,stat; - spin_lock(c->lock); - + while(1) { /* FIFO empty ? */ @@ -390,7 +389,6 @@ static void z8530_rx(struct z8530_channel *c) */ write_zsctrl(c, ERR_RES); write_zsctrl(c, RES_H_IUS); - spin_unlock(c->lock); } @@ -406,7 +404,6 @@ static void z8530_rx(struct z8530_channel *c) static void z8530_tx(struct z8530_channel *c) { - spin_lock(c->lock); while(c->txcount) { /* FIFO full ? */ if(!(read_zsreg(c, R0)&4)) @@ -434,7 +431,6 @@ static void z8530_tx(struct z8530_channel *c) z8530_tx_done(c); write_zsctrl(c, RES_H_IUS); - spin_unlock(c->lock); } /** @@ -452,7 +448,6 @@ static void z8530_status(struct z8530_channel *chan) { u8 status, altered; - spin_lock(chan->lock); status=read_zsreg(chan, R0); altered=chan->status^status; @@ -487,7 +482,6 @@ static void z8530_status(struct z8530_channel *chan) } write_zsctrl(chan, RES_EXT_INT); write_zsctrl(chan, RES_H_IUS); - spin_unlock(chan->lock); } struct z8530_irqhandler z8530_sync= @@ -511,7 +505,6 @@ EXPORT_SYMBOL(z8530_sync); static void z8530_dma_rx(struct z8530_channel *chan) { - spin_lock(chan->lock); if(chan->rxdma_on) { /* Special condition check only */ @@ -534,7 +527,6 @@ static void z8530_dma_rx(struct z8530_channel *chan) /* DMA is off right now, drain the slow way */ z8530_rx(chan); } - spin_unlock(chan->lock); } /** @@ -547,7 +539,6 @@ static void z8530_dma_rx(struct z8530_channel *chan) static void z8530_dma_tx(struct z8530_channel *chan) { - spin_lock(chan->lock); if(!chan->dma_tx) { printk(KERN_WARNING "Hey who turned the DMA off?\n"); @@ -557,7 +548,6 @@ static void z8530_dma_tx(struct z8530_channel *chan) /* This shouldnt occur in DMA mode */ printk(KERN_ERR "DMA tx - bogus event!\n"); z8530_tx(chan); - spin_unlock(chan->lock); } /** @@ -596,7 +586,6 @@ static void z8530_dma_status(struct z8530_channel *chan) } } - spin_lock(chan->lock); if(altered&chan->dcdcheck) { if(status&chan->dcdcheck) @@ -618,7 +607,6 @@ static void z8530_dma_status(struct z8530_channel *chan) write_zsctrl(chan, RES_EXT_INT); write_zsctrl(chan, RES_H_IUS); - spin_unlock(chan->lock); } struct z8530_irqhandler z8530_dma_sync= |