From 5346ebf6db077d963e9d81af9df290d7f5532492 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Sat, 11 Jun 2011 01:13:22 -0700 Subject: eth16i: Move the Allied Telesis/Fujitsu drivers Move the Allied Telesis/Fujitsu drivers into drivers/net/ethernet/fujitsu/ and make the necessary Kconfig and Makefile changes. CC: Shingo Fujimoto CC: Yutaka Tamiya CC: Rene Schmit CC: Mika Kuoppala Signed-off-by: Jeff Kirsher diff --git a/MAINTAINERS b/MAINTAINERS index 51d9281..5b2ad6c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2525,7 +2525,7 @@ F: net/bridge/ ETHERTEAM 16I DRIVER M: Mika Kuoppala S: Maintained -F: drivers/net/eth16i.c +F: drivers/net/ethernet/fujitsu/eth16i.c EXT2 FILE SYSTEM M: Jan Kara diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index c1e491a..27f97b4e 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -428,18 +428,6 @@ config DNET To compile this driver as a module, choose M here: the module will be called dnet. -config AT1700 - tristate "AT1700/1720 support (EXPERIMENTAL)" - depends on (ISA || MCA_LEGACY) && EXPERIMENTAL - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - . - - To compile this driver as a module, choose M here. The module - will be called at1700. - config HP100 tristate "HP 10/100VG PCLAN (ISA, EISA, PCI) support" depends on ISA || EISA || PCI @@ -451,34 +439,6 @@ config HP100 To compile this driver as a module, choose M here. The module will be called hp100. -config NET_ISA - bool "Other ISA cards" - depends on ISA - ---help--- - If your network (Ethernet) card hasn't been mentioned yet and its - bus system (that's the way the cards talks to the other components - of your computer) is ISA (as opposed to EISA, VLB or PCI), say Y. - Make sure you know the name of your card. Read the Ethernet-HOWTO, - available from . - - If unsure, say Y. - - Note that the answer to this question doesn't directly affect the - kernel: saying N will just cause the configurator to skip all - the remaining ISA network card questions. If you say Y, you will be - asked for your specific card in the following questions. - -config ETH16I - tristate "ICL EtherTeam 16i/32 support" - depends on NET_ISA - help - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - . - - To compile this driver as a module, choose M here. The module - will be called eth16i. - config NET_PCI bool "EISA, VLB, PCI and on board controllers" depends on ISA || EISA || PCI diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 7e1128f..07cad1a 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -96,10 +96,7 @@ obj-$(CONFIG_IFB) += ifb.o obj-$(CONFIG_MACVLAN) += macvlan.o obj-$(CONFIG_MACVTAP) += macvtap.o obj-$(CONFIG_DEFXX) += defxx.o -obj-$(CONFIG_AT1700) += at1700.o obj-$(CONFIG_CPMAC) += cpmac.o - -obj-$(CONFIG_ETH16I) += eth16i.o obj-$(CONFIG_EQUALIZER) += eql.o obj-$(CONFIG_KORINA) += korina.o obj-$(CONFIG_MIPS_SIM_NET) += mipsnet.o diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c deleted file mode 100644 index 65a78f9..0000000 --- a/drivers/net/at1700.c +++ /dev/null @@ -1,900 +0,0 @@ -/* at1700.c: A network device driver for the Allied Telesis AT1700. - - Written 1993-98 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - This is a device driver for the Allied Telesis AT1700, and - Fujitsu FMV-181/182/181A/182A/183/184/183A/184A, which are - straight-forward Fujitsu MB86965 implementations. - - Modification for Fujitsu FMV-18X cards is done by Yutaka Tamiya - (tamy@flab.fujitsu.co.jp). - - Sources: - The Fujitsu MB86965 datasheet. - - After the initial version of this driver was written Gerry Sawkins of - ATI provided their EEPROM configuration code header file. - Thanks to NIIBE Yutaka for bug fixes. - - MCA bus (AT1720) support by Rene Schmit - - Bugs: - The MB86965 has a design flaw that makes all probes unreliable. Not - only is it difficult to detect, it also moves around in I/O space in - response to inb()s from other device probes! -*/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -static char version[] __initdata = - "at1700.c:v1.16 9/11/06 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - -#define DRV_NAME "at1700" - -/* Tunable parameters. */ - -/* When to switch from the 64-entry multicast filter to Rx-all-multicast. */ -#define MC_FILTERBREAK 64 - -/* These unusual address orders are used to verify the CONFIG register. */ - -static int fmv18x_probe_list[] __initdata = { - 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 0 -}; - -/* - * ISA - */ - -static unsigned at1700_probe_list[] __initdata = { - 0x260, 0x280, 0x2a0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 -}; - -/* - * MCA - */ -#ifdef CONFIG_MCA_LEGACY -static int at1700_ioaddr_pattern[] __initdata = { - 0x00, 0x04, 0x01, 0x05, 0x02, 0x06, 0x03, 0x07 -}; - -static int at1700_mca_probe_list[] __initdata = { - 0x400, 0x1400, 0x2400, 0x3400, 0x4400, 0x5400, 0x6400, 0x7400, 0 -}; - -static int at1700_irq_pattern[] __initdata = { - 0x00, 0x00, 0x00, 0x30, 0x70, 0xb0, 0x00, 0x00, - 0x00, 0xf0, 0x34, 0x74, 0xb4, 0x00, 0x00, 0xf4, 0x00 -}; -#endif - -/* use 0 for production, 1 for verification, >2 for debug */ -#ifndef NET_DEBUG -#define NET_DEBUG 1 -#endif -static unsigned int net_debug = NET_DEBUG; - -typedef unsigned char uchar; - -/* Information that need to be kept for each board. */ -struct net_local { - spinlock_t lock; - unsigned char mc_filter[8]; - uint jumpered:1; /* Set iff the board has jumper config. */ - uint tx_started:1; /* Packets are on the Tx queue. */ - uint tx_queue_ready:1; /* Tx queue is ready to be sent. */ - uint rx_started:1; /* Packets are Rxing. */ - uchar tx_queue; /* Number of packet on the Tx queue. */ - char mca_slot; /* -1 means ISA */ - ushort tx_queue_len; /* Current length of the Tx queue. */ -}; - - -/* Offsets from the base address. */ -#define STATUS 0 -#define TX_STATUS 0 -#define RX_STATUS 1 -#define TX_INTR 2 /* Bit-mapped interrupt enable registers. */ -#define RX_INTR 3 -#define TX_MODE 4 -#define RX_MODE 5 -#define CONFIG_0 6 /* Misc. configuration settings. */ -#define CONFIG_1 7 -/* Run-time register bank 2 definitions. */ -#define DATAPORT 8 /* Word-wide DMA or programmed-I/O dataport. */ -#define TX_START 10 -#define COL16CNTL 11 /* Control Reg for 16 collisions */ -#define MODE13 13 -#define RX_CTRL 14 -/* Configuration registers only on the '865A/B chips. */ -#define EEPROM_Ctrl 16 -#define EEPROM_Data 17 -#define CARDSTATUS 16 /* FMV-18x Card Status */ -#define CARDSTATUS1 17 /* FMV-18x Card Status */ -#define IOCONFIG 18 /* Either read the jumper, or move the I/O. */ -#define IOCONFIG1 19 -#define SAPROM 20 /* The station address PROM, if no EEPROM. */ -#define MODE24 24 -#define RESET 31 /* Write to reset some parts of the chip. */ -#define AT1700_IO_EXTENT 32 -#define PORT_OFFSET(o) (o) - - -#define TX_TIMEOUT (HZ/10) - - -/* Index to functions, as function prototypes. */ - -static int at1700_probe1(struct net_device *dev, int ioaddr); -static int read_eeprom(long ioaddr, int location); -static int net_open(struct net_device *dev); -static netdev_tx_t net_send_packet(struct sk_buff *skb, - struct net_device *dev); -static irqreturn_t net_interrupt(int irq, void *dev_id); -static void net_rx(struct net_device *dev); -static int net_close(struct net_device *dev); -static void set_rx_mode(struct net_device *dev); -static void net_tx_timeout (struct net_device *dev); - - -#ifdef CONFIG_MCA_LEGACY -struct at1720_mca_adapters_struct { - char* name; - int id; -}; -/* rEnE : maybe there are others I don't know off... */ - -static struct at1720_mca_adapters_struct at1720_mca_adapters[] __initdata = { - { "Allied Telesys AT1720AT", 0x6410 }, - { "Allied Telesys AT1720BT", 0x6413 }, - { "Allied Telesys AT1720T", 0x6416 }, - { NULL, 0 }, -}; -#endif - -/* Check for a network adaptor of this type, and return '0' iff one exists. - If dev->base_addr == 0, probe all likely locations. - If dev->base_addr == 1, always return failure. - If dev->base_addr == 2, allocate space for the device and return success - (detachable devices only). - */ - -static int io = 0x260; - -static int irq; - -static void cleanup_card(struct net_device *dev) -{ -#ifdef CONFIG_MCA_LEGACY - struct net_local *lp = netdev_priv(dev); - if (lp->mca_slot >= 0) - mca_mark_as_unused(lp->mca_slot); -#endif - free_irq(dev->irq, NULL); - release_region(dev->base_addr, AT1700_IO_EXTENT); -} - -struct net_device * __init at1700_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct net_local)); - unsigned *port; - int err = 0; - - if (!dev) - return ERR_PTR(-ENODEV); - - if (unit >= 0) { - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - io = dev->base_addr; - irq = dev->irq; - } else { - dev->base_addr = io; - dev->irq = irq; - } - - if (io > 0x1ff) { /* Check a single specified location. */ - err = at1700_probe1(dev, io); - } else if (io != 0) { /* Don't probe at all. */ - err = -ENXIO; - } else { - for (port = at1700_probe_list; *port; port++) { - if (at1700_probe1(dev, *port) == 0) - break; - dev->irq = irq; - } - if (!*port) - err = -ENODEV; - } - if (err) - goto out; - err = register_netdev(dev); - if (err) - goto out1; - return dev; -out1: - cleanup_card(dev); -out: - free_netdev(dev); - return ERR_PTR(err); -} - -static const struct net_device_ops at1700_netdev_ops = { - .ndo_open = net_open, - .ndo_stop = net_close, - .ndo_start_xmit = net_send_packet, - .ndo_set_multicast_list = set_rx_mode, - .ndo_tx_timeout = net_tx_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -/* The Fujitsu datasheet suggests that the NIC be probed for by checking its - "signature", the default bit pattern after a reset. This *doesn't* work -- - there is no way to reset the bus interface without a complete power-cycle! - - It turns out that ATI came to the same conclusion I did: the only thing - that can be done is checking a few bits and then diving right into an - EEPROM read. */ - -static int __init at1700_probe1(struct net_device *dev, int ioaddr) -{ - static const char fmv_irqmap[4] = {3, 7, 10, 15}; - static const char fmv_irqmap_pnp[8] = {3, 4, 5, 7, 9, 10, 11, 15}; - static const char at1700_irqmap[8] = {3, 4, 5, 9, 10, 11, 14, 15}; - unsigned int i, irq, is_fmv18x = 0, is_at1700 = 0; - int slot, ret = -ENODEV; - struct net_local *lp = netdev_priv(dev); - - if (!request_region(ioaddr, AT1700_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - /* Resetting the chip doesn't reset the ISA interface, so don't bother. - That means we have to be careful with the register values we probe - for. - */ -#ifdef notdef - printk("at1700 probe at %#x, eeprom is %4.4x %4.4x %4.4x ctrl %4.4x.\n", - ioaddr, read_eeprom(ioaddr, 4), read_eeprom(ioaddr, 5), - read_eeprom(ioaddr, 6), inw(ioaddr + EEPROM_Ctrl)); -#endif - -#ifdef CONFIG_MCA_LEGACY - /* rEnE (rene@bss.lu): got this from 3c509 driver source , adapted for AT1720 */ - - /* Based on Erik Nygren's (nygren@mit.edu) 3c529 patch, heavily - modified by Chris Beauregard (cpbeaure@csclub.uwaterloo.ca) - to support standard MCA probing. */ - - /* redone for multi-card detection by ZP Gu (zpg@castle.net) */ - /* now works as a module */ - - if (MCA_bus) { - int j; - int l_i; - u_char pos3, pos4; - - for (j = 0; at1720_mca_adapters[j].name != NULL; j ++) { - slot = 0; - while (slot != MCA_NOTFOUND) { - - slot = mca_find_unused_adapter( at1720_mca_adapters[j].id, slot ); - if (slot == MCA_NOTFOUND) break; - - /* if we get this far, an adapter has been detected and is - enabled */ - - pos3 = mca_read_stored_pos( slot, 3 ); - pos4 = mca_read_stored_pos( slot, 4 ); - - for (l_i = 0; l_i < 8; l_i++) - if (( pos3 & 0x07) == at1700_ioaddr_pattern[l_i]) - break; - ioaddr = at1700_mca_probe_list[l_i]; - - for (irq = 0; irq < 0x10; irq++) - if (((((pos4>>4) & 0x0f) | (pos3 & 0xf0)) & 0xff) == at1700_irq_pattern[irq]) - break; - - /* probing for a card at a particular IO/IRQ */ - if ((dev->irq && dev->irq != irq) || - (dev->base_addr && dev->base_addr != ioaddr)) { - slot++; /* probing next slot */ - continue; - } - - dev->irq = irq; - - /* claim the slot */ - mca_set_adapter_name( slot, at1720_mca_adapters[j].name ); - mca_mark_as_used(slot); - - goto found; - } - } - /* if we get here, we didn't find an MCA adapter - try ISA */ - } -#endif - slot = -1; - /* We must check for the EEPROM-config boards first, else accessing - IOCONFIG0 will move the board! */ - if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr && - read_eeprom(ioaddr, 4) == 0x0000 && - (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400) - is_at1700 = 1; - else if (inb(ioaddr + SAPROM ) == 0x00 && - inb(ioaddr + SAPROM + 1) == 0x00 && - inb(ioaddr + SAPROM + 2) == 0x0e) - is_fmv18x = 1; - else { - goto err_out; - } - -#ifdef CONFIG_MCA_LEGACY -found: -#endif - - /* Reset the internal state machines. */ - outb(0, ioaddr + RESET); - - if (is_at1700) { - irq = at1700_irqmap[(read_eeprom(ioaddr, 12)&0x04) - | (read_eeprom(ioaddr, 0)>>14)]; - } else { - /* Check PnP mode for FMV-183/184/183A/184A. */ - /* This PnP routine is very poor. IO and IRQ should be known. */ - if (inb(ioaddr + CARDSTATUS1) & 0x20) { - irq = dev->irq; - for (i = 0; i < 8; i++) { - if (irq == fmv_irqmap_pnp[i]) - break; - } - if (i == 8) { - goto err_mca; - } - } else { - if (fmv18x_probe_list[inb(ioaddr + IOCONFIG) & 0x07] != ioaddr) - goto err_mca; - irq = fmv_irqmap[(inb(ioaddr + IOCONFIG)>>6) & 0x03]; - } - } - - printk("%s: %s found at %#3x, IRQ %d, address ", dev->name, - is_at1700 ? "AT1700" : "FMV-18X", ioaddr, irq); - - dev->base_addr = ioaddr; - dev->irq = irq; - - if (is_at1700) { - for(i = 0; i < 3; i++) { - unsigned short eeprom_val = read_eeprom(ioaddr, 4+i); - ((unsigned short *)dev->dev_addr)[i] = ntohs(eeprom_val); - } - } else { - for(i = 0; i < 6; i++) { - unsigned char val = inb(ioaddr + SAPROM + i); - dev->dev_addr[i] = val; - } - } - printk("%pM", dev->dev_addr); - - /* The EEPROM word 12 bit 0x0400 means use regular 100 ohm 10baseT signals, - rather than 150 ohm shielded twisted pair compensation. - 0x0000 == auto-sense the interface - 0x0800 == use TP interface - 0x1800 == use coax interface - */ - { - const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2"}; - if (is_at1700) { - ushort setup_value = read_eeprom(ioaddr, 12); - dev->if_port = setup_value >> 8; - } else { - ushort setup_value = inb(ioaddr + CARDSTATUS); - switch (setup_value & 0x07) { - case 0x01: /* 10base5 */ - case 0x02: /* 10base2 */ - dev->if_port = 0x18; break; - case 0x04: /* 10baseT */ - dev->if_port = 0x08; break; - default: /* auto-sense */ - dev->if_port = 0x00; break; - } - } - printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]); - } - - /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit - bus access, two 4K Tx queues, and disabled Tx and Rx. */ - outb(0xda, ioaddr + CONFIG_0); - - /* Set the station address in bank zero. */ - outb(0x00, ioaddr + CONFIG_1); - for (i = 0; i < 6; i++) - outb(dev->dev_addr[i], ioaddr + PORT_OFFSET(8 + i)); - - /* Switch to bank 1 and set the multicast table to accept none. */ - outb(0x04, ioaddr + CONFIG_1); - for (i = 0; i < 8; i++) - outb(0x00, ioaddr + PORT_OFFSET(8 + i)); - - - /* Switch to bank 2 */ - /* Lock our I/O address, and set manual processing mode for 16 collisions. */ - outb(0x08, ioaddr + CONFIG_1); - outb(dev->if_port, ioaddr + MODE13); - outb(0x00, ioaddr + COL16CNTL); - - if (net_debug) - printk(version); - - dev->netdev_ops = &at1700_netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - - spin_lock_init(&lp->lock); - - lp->jumpered = is_fmv18x; - lp->mca_slot = slot; - /* Snarf the interrupt vector now. */ - ret = request_irq(irq, net_interrupt, 0, DRV_NAME, dev); - if (ret) { - printk(KERN_ERR "AT1700 at %#3x is unusable due to a " - "conflict on IRQ %d.\n", - ioaddr, irq); - goto err_mca; - } - - return 0; - -err_mca: -#ifdef CONFIG_MCA_LEGACY - if (slot >= 0) - mca_mark_as_unused(slot); -#endif -err_out: - release_region(ioaddr, AT1700_IO_EXTENT); - return ret; -} - - -/* EEPROM_Ctrl bits. */ -#define EE_SHIFT_CLK 0x40 /* EEPROM shift clock, in reg. 16. */ -#define EE_CS 0x20 /* EEPROM chip select, in reg. 16. */ -#define EE_DATA_WRITE 0x80 /* EEPROM chip data in, in reg. 17. */ -#define EE_DATA_READ 0x80 /* EEPROM chip data out, in reg. 17. */ - -/* The EEPROM commands include the alway-set leading bit. */ -#define EE_WRITE_CMD (5 << 6) -#define EE_READ_CMD (6 << 6) -#define EE_ERASE_CMD (7 << 6) - -static int __init read_eeprom(long ioaddr, int location) -{ - int i; - unsigned short retval = 0; - long ee_addr = ioaddr + EEPROM_Ctrl; - long ee_daddr = ioaddr + EEPROM_Data; - int read_cmd = location | EE_READ_CMD; - - /* Shift the read command bits out. */ - for (i = 9; i >= 0; i--) { - short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; - outb(EE_CS, ee_addr); - outb(dataval, ee_daddr); - outb(EE_CS | EE_SHIFT_CLK, ee_addr); /* EEPROM clock tick. */ - } - outb(EE_DATA_WRITE, ee_daddr); - for (i = 16; i > 0; i--) { - outb(EE_CS, ee_addr); - outb(EE_CS | EE_SHIFT_CLK, ee_addr); - retval = (retval << 1) | ((inb(ee_daddr) & EE_DATA_READ) ? 1 : 0); - } - - /* Terminate the EEPROM access. */ - outb(EE_CS, ee_addr); - outb(EE_SHIFT_CLK, ee_addr); - outb(0, ee_addr); - return retval; -} - - - -static int net_open(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit - bus access, and two 4K Tx queues. */ - outb(0x5a, ioaddr + CONFIG_0); - - /* Powerup, switch to register bank 2, and enable the Rx and Tx. */ - outb(0xe8, ioaddr + CONFIG_1); - - lp->tx_started = 0; - lp->tx_queue_ready = 1; - lp->rx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - /* Turn on hardware Tx and Rx interrupts. */ - outb(0x82, ioaddr + TX_INTR); - outb(0x81, ioaddr + RX_INTR); - - /* Enable the IRQ on boards of fmv18x it is feasible. */ - if (lp->jumpered) { - outb(0x80, ioaddr + IOCONFIG1); - } - - netif_start_queue(dev); - return 0; -} - -static void net_tx_timeout (struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - printk ("%s: transmit timed out with status %04x, %s?\n", dev->name, - inw (ioaddr + STATUS), inb (ioaddr + TX_STATUS) & 0x80 - ? "IRQ conflict" : "network cable problem"); - printk ("%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n", - dev->name, inw(ioaddr + TX_STATUS), inw(ioaddr + TX_INTR), inw(ioaddr + TX_MODE), - inw(ioaddr + CONFIG_0), inw(ioaddr + DATAPORT), inw(ioaddr + TX_START), - inw(ioaddr + MODE13 - 1), inw(ioaddr + RX_CTRL)); - dev->stats.tx_errors++; - /* ToDo: We should try to restart the adaptor... */ - outw(0xffff, ioaddr + MODE24); - outw (0xffff, ioaddr + TX_STATUS); - outb (0x5a, ioaddr + CONFIG_0); - outb (0xe8, ioaddr + CONFIG_1); - outw (0x8182, ioaddr + TX_INTR); - outb (0x00, ioaddr + TX_START); - outb (0x03, ioaddr + COL16CNTL); - - dev->trans_start = jiffies; /* prevent tx timeout */ - - lp->tx_started = 0; - lp->tx_queue_ready = 1; - lp->rx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - netif_wake_queue(dev); -} - - -static netdev_tx_t net_send_packet (struct sk_buff *skb, - struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - short len = skb->len; - unsigned char *buf = skb->data; - static u8 pad[ETH_ZLEN]; - - netif_stop_queue (dev); - - /* We may not start transmitting unless we finish transferring - a packet into the Tx queue. During executing the following - codes we possibly catch a Tx interrupt. Thus we flag off - tx_queue_ready, so that we prevent the interrupt routine - (net_interrupt) to start transmitting. */ - lp->tx_queue_ready = 0; - { - outw (length, ioaddr + DATAPORT); - /* Packet data */ - outsw (ioaddr + DATAPORT, buf, len >> 1); - /* Check for dribble byte */ - if (len & 1) { - outw(skb->data[skb->len-1], ioaddr + DATAPORT); - len++; - } - /* Check for packet padding */ - if (length != skb->len) - outsw(ioaddr + DATAPORT, pad, (length - len + 1) >> 1); - - lp->tx_queue++; - lp->tx_queue_len += length + 2; - } - lp->tx_queue_ready = 1; - - if (lp->tx_started == 0) { - /* If the Tx is idle, always trigger a transmit. */ - outb (0x80 | lp->tx_queue, ioaddr + TX_START); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - netif_start_queue (dev); - } else if (lp->tx_queue_len < 4096 - 1502) - /* Yes, there is room for one more packet. */ - netif_start_queue (dev); - dev_kfree_skb (skb); - - return NETDEV_TX_OK; -} - -/* The typical workload of the driver: - Handle the network interface interrupts. */ -static irqreturn_t net_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct net_local *lp; - int ioaddr, status; - int handled = 0; - - if (dev == NULL) { - printk ("at1700_interrupt(): irq %d for unknown device.\n", irq); - return IRQ_NONE; - } - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - spin_lock (&lp->lock); - - status = inw(ioaddr + TX_STATUS); - outw(status, ioaddr + TX_STATUS); - - if (net_debug > 4) - printk("%s: Interrupt with status %04x.\n", dev->name, status); - if (lp->rx_started == 0 && - (status & 0xff00 || (inb(ioaddr + RX_MODE) & 0x40) == 0)) { - /* Got a packet(s). - We cannot execute net_rx more than once at the same time for - the same device. During executing net_rx, we possibly catch a - Tx interrupt. Thus we flag on rx_started, so that we prevent - the interrupt routine (net_interrupt) to dive into net_rx - again. */ - handled = 1; - lp->rx_started = 1; - outb(0x00, ioaddr + RX_INTR); /* Disable RX intr. */ - net_rx(dev); - outb(0x81, ioaddr + RX_INTR); /* Enable RX intr. */ - lp->rx_started = 0; - } - if (status & 0x00ff) { - handled = 1; - if (status & 0x02) { - /* More than 16 collisions occurred */ - if (net_debug > 4) - printk("%s: 16 Collision occur during Txing.\n", dev->name); - /* Cancel sending a packet. */ - outb(0x03, ioaddr + COL16CNTL); - dev->stats.collisions++; - } - if (status & 0x82) { - dev->stats.tx_packets++; - /* The Tx queue has any packets and is not being - transferred a packet from the host, start - transmitting. */ - if (lp->tx_queue && lp->tx_queue_ready) { - outb(0x80 | lp->tx_queue, ioaddr + TX_START); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - dev->trans_start = jiffies; - netif_wake_queue (dev); - } else { - lp->tx_started = 0; - netif_wake_queue (dev); - } - } - } - - spin_unlock (&lp->lock); - return IRQ_RETVAL(handled); -} - -/* We have a good packet(s), get it/them out of the buffers. */ -static void -net_rx(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - int boguscount = 5; - - while ((inb(ioaddr + RX_MODE) & 0x40) == 0) { - ushort status = inw(ioaddr + DATAPORT); - ushort pkt_len = inw(ioaddr + DATAPORT); - - if (net_debug > 4) - printk("%s: Rxing packet mode %02x status %04x.\n", - dev->name, inb(ioaddr + RX_MODE), status); -#ifndef final_version - if (status == 0) { - outb(0x05, ioaddr + RX_CTRL); - break; - } -#endif - - if ((status & 0xF0) != 0x20) { /* There was an error. */ - dev->stats.rx_errors++; - if (status & 0x08) dev->stats.rx_length_errors++; - if (status & 0x04) dev->stats.rx_frame_errors++; - if (status & 0x02) dev->stats.rx_crc_errors++; - if (status & 0x01) dev->stats.rx_over_errors++; - } else { - /* Malloc up new buffer. */ - struct sk_buff *skb; - - if (pkt_len > 1550) { - printk("%s: The AT1700 claimed a very large packet, size %d.\n", - dev->name, pkt_len); - /* Prime the FIFO and then flush the packet. */ - inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); - outb(0x05, ioaddr + RX_CTRL); - dev->stats.rx_errors++; - break; - } - skb = dev_alloc_skb(pkt_len+3); - if (skb == NULL) { - printk("%s: Memory squeeze, dropping packet (len %d).\n", - dev->name, pkt_len); - /* Prime the FIFO and then flush the packet. */ - inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); - outb(0x05, ioaddr + RX_CTRL); - dev->stats.rx_dropped++; - break; - } - skb_reserve(skb,2); - - insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1); - skb->protocol=eth_type_trans(skb, dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - } - if (--boguscount <= 0) - break; - } - - /* If any worth-while packets have been received, dev_rint() - has done a mark_bh(NET_BH) for us and will work on them - when we get to the bottom-half routine. */ - { - int i; - for (i = 0; i < 20; i++) { - if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40) - break; - inw(ioaddr + DATAPORT); /* dummy status read */ - outb(0x05, ioaddr + RX_CTRL); - } - - if (net_debug > 5) - printk("%s: Exint Rx packet with mode %02x after %d ticks.\n", - dev->name, inb(ioaddr + RX_MODE), i); - } -} - -/* The inverse routine to net_open(). */ -static int net_close(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - netif_stop_queue(dev); - - /* Set configuration register 0 to disable Tx and Rx. */ - outb(0xda, ioaddr + CONFIG_0); - - /* No statistic counters on the chip to update. */ - - /* Disable the IRQ on boards of fmv18x where it is feasible. */ - if (lp->jumpered) - outb(0x00, ioaddr + IOCONFIG1); - - /* Power-down the chip. Green, green, green! */ - outb(0x00, ioaddr + CONFIG_1); - return 0; -} - -/* - Set the multicast/promiscuous mode for this adaptor. -*/ - -static void -set_rx_mode(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - struct net_local *lp = netdev_priv(dev); - unsigned char mc_filter[8]; /* Multicast hash filter */ - unsigned long flags; - - if (dev->flags & IFF_PROMISC) { - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ - } else if (netdev_mc_count(dev) > MC_FILTERBREAK || - (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(2, ioaddr + RX_MODE); /* Use normal mode. */ - } else if (netdev_mc_empty(dev)) { - memset(mc_filter, 0x00, sizeof(mc_filter)); - outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ - } else { - struct netdev_hw_addr *ha; - - memset(mc_filter, 0, sizeof(mc_filter)); - netdev_for_each_mc_addr(ha, dev) { - unsigned int bit = - ether_crc_le(ETH_ALEN, ha->addr) >> 26; - mc_filter[bit >> 3] |= (1 << bit); - } - outb(0x02, ioaddr + RX_MODE); /* Use normal mode. */ - } - - spin_lock_irqsave (&lp->lock, flags); - if (memcmp(mc_filter, lp->mc_filter, sizeof(mc_filter))) { - int i; - int saved_bank = inw(ioaddr + CONFIG_0); - /* Switch to bank 1 and set the multicast table. */ - outw((saved_bank & ~0x0C00) | 0x0480, ioaddr + CONFIG_0); - for (i = 0; i < 8; i++) - outb(mc_filter[i], ioaddr + PORT_OFFSET(8 + i)); - memcpy(lp->mc_filter, mc_filter, sizeof(mc_filter)); - outw(saved_bank, ioaddr + CONFIG_0); - } - spin_unlock_irqrestore (&lp->lock, flags); -} - -#ifdef MODULE -static struct net_device *dev_at1700; - -module_param(io, int, 0); -module_param(irq, int, 0); -module_param(net_debug, int, 0); -MODULE_PARM_DESC(io, "AT1700/FMV18X I/O base address"); -MODULE_PARM_DESC(irq, "AT1700/FMV18X IRQ number"); -MODULE_PARM_DESC(net_debug, "AT1700/FMV18X debug level (0-6)"); - -static int __init at1700_module_init(void) -{ - if (io == 0) - printk("at1700: You should not use auto-probing with insmod!\n"); - dev_at1700 = at1700_probe(-1); - if (IS_ERR(dev_at1700)) - return PTR_ERR(dev_at1700); - return 0; -} - -static void __exit at1700_module_exit(void) -{ - unregister_netdev(dev_at1700); - cleanup_card(dev_at1700); - free_netdev(dev_at1700); -} -module_init(at1700_module_init); -module_exit(at1700_module_exit); -#endif /* MODULE */ -MODULE_LICENSE("GPL"); diff --git a/drivers/net/eth16i.c b/drivers/net/eth16i.c deleted file mode 100644 index 12d28e9..0000000 --- a/drivers/net/eth16i.c +++ /dev/null @@ -1,1484 +0,0 @@ -/* eth16i.c An ICL EtherTeam 16i and 32 EISA ethernet driver for Linux - - Written 1994-1999 by Mika Kuoppala - - Copyright (C) 1994-1999 by Mika Kuoppala - Based on skeleton.c and heavily on at1700.c by Donald Becker - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as miku@iki.fi - - This driver supports following cards : - - ICL EtherTeam 16i - - ICL EtherTeam 32 EISA - (Uses true 32 bit transfers rather than 16i compatibility mode) - - Example Module usage: - insmod eth16i.o io=0x2a0 mediatype=bnc - - mediatype can be one of the following: bnc,tp,dix,auto,eprom - - 'auto' will try to autoprobe mediatype. - 'eprom' will use whatever type defined in eprom. - - I have benchmarked driver with PII/300Mhz as a ftp client - and 486/33Mhz as a ftp server. Top speed was 1128.37 kilobytes/sec. - - Sources: - - skeleton.c a sample network driver core for linux, - written by Donald Becker - - at1700.c a driver for Allied Telesis AT1700, written - by Donald Becker. - - e16iSRV.asm a Netware 3.X Server Driver for ICL EtherTeam16i - written by Markku Viima - - The Fujitsu MB86965 databook. - - Author thanks following persons due to their valueble assistance: - Markku Viima (ICL) - Ari Valve (ICL) - Donald Becker - Kurt Huwig - - Revision history: - - Version Date Description - - 0.01 15.12-94 Initial version (card detection) - 0.02 23.01-95 Interrupt is now hooked correctly - 0.03 01.02-95 Rewrote initialization part - 0.04 07.02-95 Base skeleton done... - Made a few changes to signature checking - to make it a bit reliable. - - fixed bug in tx_buf mapping - - fixed bug in initialization (DLC_EN - wasn't enabled when initialization - was done.) - 0.05 08.02-95 If there were more than one packet to send, - transmit was jammed due to invalid - register write...now fixed - 0.06 19.02-95 Rewrote interrupt handling - 0.07 13.04-95 Wrote EEPROM read routines - Card configuration now set according to - data read from EEPROM - 0.08 23.06-95 Wrote part that tries to probe used interface - port if AUTO is selected - - 0.09 01.09-95 Added module support - - 0.10 04.09-95 Fixed receive packet allocation to work - with kernels > 1.3.x - - 0.20 20.09-95 Added support for EtherTeam32 EISA - - 0.21 17.10-95 Removed the unnecessary extern - init_etherdev() declaration. Some - other cleanups. - - 0.22 22.02-96 Receive buffer was not flushed - correctly when faulty packet was - received. Now fixed. - - 0.23 26.02-96 Made resetting the adapter - more reliable. - - 0.24 27.02-96 Rewrote faulty packet handling in eth16i_rx - - 0.25 22.05-96 kfree() was missing from cleanup_module. - - 0.26 11.06-96 Sometimes card was not found by - check_signature(). Now made more reliable. - - 0.27 23.06-96 Oops. 16 consecutive collisions halted - adapter. Now will try to retransmit - MAX_COL_16 times before finally giving up. - - 0.28 28.10-97 Added dev_id parameter (NULL) for free_irq - - 0.29 29.10-97 Multiple card support for module users - - 0.30 30.10-97 Fixed irq allocation bug. - (request_irq moved from probe to open) - - 0.30a 21.08-98 Card detection made more relaxed. Driver - had problems with some TCP/IP-PROM boots - to find the card. Suggested by - Kurt Huwig - - 0.31 28.08-98 Media interface port can now be selected - with module parameters or kernel - boot parameters. - - 0.32 31.08-98 IRQ was never freed if open/close - pair wasn't called. Now fixed. - - 0.33 10.09-98 When eth16i_open() was called after - eth16i_close() chip never recovered. - Now more shallow reset is made on - close. - - 0.34 29.06-99 Fixed one bad #ifdef. - Changed ioaddr -> io for consistency - - 0.35 01.07-99 transmit,-receive bytes were never - updated in stats. - - Bugs: - In some cases the media interface autoprobing code doesn't find - the correct interface type. In this case you can - manually choose the interface type in DOS with E16IC.EXE which is - configuration software for EtherTeam16i and EtherTeam32 cards. - This is also true for IRQ setting. You cannot use module - parameter to configure IRQ of the card (yet). - - To do: - - Real multicast support - - Rewrite the media interface autoprobing code. Its _horrible_ ! - - Possibly merge all the MB86965 specific code to external - module for use by eth16.c and Donald's at1700.c - - IRQ configuration with module parameter. I will do - this when i will get enough info about setting - irq without configuration utility. -*/ - -static char *version = - "eth16i.c: v0.35 01-Jul-1999 Mika Kuoppala (miku@iki.fi)\n"; - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - - - -/* Few macros */ -#define BITSET(ioaddr, bnum) ((outb(((inb(ioaddr)) | (bnum)), ioaddr))) -#define BITCLR(ioaddr, bnum) ((outb(((inb(ioaddr)) & (~(bnum))), ioaddr))) - -/* This is the I/O address space for Etherteam 16i adapter. */ -#define ETH16I_IO_EXTENT 32 - -/* Ticks before deciding that transmit has timed out */ -#define TX_TIMEOUT (400*HZ/1000) - -/* Maximum loop count when receiving packets */ -#define MAX_RX_LOOP 20 - -/* Some interrupt masks */ -#define ETH16I_INTR_ON 0xef8a /* Higher is receive mask */ -#define ETH16I_INTR_OFF 0x0000 - -/* Buffers header status byte meanings */ -#define PKT_GOOD BIT(5) -#define PKT_GOOD_RMT BIT(4) -#define PKT_SHORT BIT(3) -#define PKT_ALIGN_ERR BIT(2) -#define PKT_CRC_ERR BIT(1) -#define PKT_RX_BUF_OVERFLOW BIT(0) - -/* Transmit status register (DLCR0) */ -#define TX_STATUS_REG 0 -#define TX_DONE BIT(7) -#define NET_BUSY BIT(6) -#define TX_PKT_RCD BIT(5) -#define CR_LOST BIT(4) -#define TX_JABBER_ERR BIT(3) -#define COLLISION BIT(2) -#define COLLISIONS_16 BIT(1) - -/* Receive status register (DLCR1) */ -#define RX_STATUS_REG 1 -#define RX_PKT BIT(7) /* Packet received */ -#define BUS_RD_ERR BIT(6) -#define SHORT_PKT_ERR BIT(3) -#define ALIGN_ERR BIT(2) -#define CRC_ERR BIT(1) -#define RX_BUF_OVERFLOW BIT(0) - -/* Transmit Interrupt Enable Register (DLCR2) */ -#define TX_INTR_REG 2 -#define TX_INTR_DONE BIT(7) -#define TX_INTR_COL BIT(2) -#define TX_INTR_16_COL BIT(1) - -/* Receive Interrupt Enable Register (DLCR3) */ -#define RX_INTR_REG 3 -#define RX_INTR_RECEIVE BIT(7) -#define RX_INTR_SHORT_PKT BIT(3) -#define RX_INTR_CRC_ERR BIT(1) -#define RX_INTR_BUF_OVERFLOW BIT(0) - -/* Transmit Mode Register (DLCR4) */ -#define TRANSMIT_MODE_REG 4 -#define LOOPBACK_CONTROL BIT(1) -#define CONTROL_OUTPUT BIT(2) - -/* Receive Mode Register (DLCR5) */ -#define RECEIVE_MODE_REG 5 -#define RX_BUFFER_EMPTY BIT(6) -#define ACCEPT_BAD_PACKETS BIT(5) -#define RECEIVE_SHORT_ADDR BIT(4) -#define ACCEPT_SHORT_PACKETS BIT(3) -#define REMOTE_RESET BIT(2) - -#define ADDRESS_FILTER_MODE BIT(1) | BIT(0) -#define REJECT_ALL 0 -#define ACCEPT_ALL 3 -#define MODE_1 1 /* NODE ID, BC, MC, 2-24th bit */ -#define MODE_2 2 /* NODE ID, BC, MC, Hash Table */ - -/* Configuration Register 0 (DLCR6) */ -#define CONFIG_REG_0 6 -#define DLC_EN BIT(7) -#define SRAM_CYCLE_TIME_100NS BIT(6) -#define SYSTEM_BUS_WIDTH_8 BIT(5) /* 1 = 8bit, 0 = 16bit */ -#define BUFFER_WIDTH_8 BIT(4) /* 1 = 8bit, 0 = 16bit */ -#define TBS1 BIT(3) -#define TBS0 BIT(2) -#define SRAM_BS1 BIT(1) /* 00=8kb, 01=16kb */ -#define SRAM_BS0 BIT(0) /* 10=32kb, 11=64kb */ - -#ifndef ETH16I_TX_BUF_SIZE /* 0 = 2kb, 1 = 4kb */ -#define ETH16I_TX_BUF_SIZE 3 /* 2 = 8kb, 3 = 16kb */ -#endif -#define TX_BUF_1x2048 0 -#define TX_BUF_2x2048 1 -#define TX_BUF_2x4098 2 -#define TX_BUF_2x8192 3 - -/* Configuration Register 1 (DLCR7) */ -#define CONFIG_REG_1 7 -#define POWERUP BIT(5) - -/* Transmit start register */ -#define TRANSMIT_START_REG 10 -#define TRANSMIT_START_RB 2 -#define TX_START BIT(7) /* Rest of register bit indicate*/ - /* number of packets in tx buffer*/ -/* Node ID registers (DLCR8-13) */ -#define NODE_ID_0 8 -#define NODE_ID_RB 0 - -/* Hash Table registers (HT8-15) */ -#define HASH_TABLE_0 8 -#define HASH_TABLE_RB 1 - -/* Buffer memory ports */ -#define BUFFER_MEM_PORT_LB 8 -#define DATAPORT BUFFER_MEM_PORT_LB -#define BUFFER_MEM_PORT_HB 9 - -/* 16 Collision control register (BMPR11) */ -#define COL_16_REG 11 -#define HALT_ON_16 0x00 -#define RETRANS_AND_HALT_ON_16 0x02 - -/* Maximum number of attempts to send after 16 concecutive collisions */ -#define MAX_COL_16 10 - -/* DMA Burst and Transceiver Mode Register (BMPR13) */ -#define TRANSCEIVER_MODE_REG 13 -#define TRANSCEIVER_MODE_RB 2 -#define IO_BASE_UNLOCK BIT(7) -#define LOWER_SQUELCH_TRESH BIT(6) -#define LINK_TEST_DISABLE BIT(5) -#define AUI_SELECT BIT(4) -#define DIS_AUTO_PORT_SEL BIT(3) - -/* Filter Self Receive Register (BMPR14) */ -#define FILTER_SELF_RX_REG 14 -#define SKIP_RX_PACKET BIT(2) -#define FILTER_SELF_RECEIVE BIT(0) - -/* EEPROM Control Register (BMPR 16) */ -#define EEPROM_CTRL_REG 16 - -/* EEPROM Data Register (BMPR 17) */ -#define EEPROM_DATA_REG 17 - -/* NMC93CSx6 EEPROM Control Bits */ -#define CS_0 0x00 -#define CS_1 0x20 -#define SK_0 0x00 -#define SK_1 0x40 -#define DI_0 0x00 -#define DI_1 0x80 - -/* NMC93CSx6 EEPROM Instructions */ -#define EEPROM_READ 0x80 - -/* NMC93CSx6 EEPROM Addresses */ -#define E_NODEID_0 0x02 -#define E_NODEID_1 0x03 -#define E_NODEID_2 0x04 -#define E_PORT_SELECT 0x14 - #define E_PORT_BNC 0x00 - #define E_PORT_DIX 0x01 - #define E_PORT_TP 0x02 - #define E_PORT_AUTO 0x03 - #define E_PORT_FROM_EPROM 0x04 -#define E_PRODUCT_CFG 0x30 - - -/* Macro to slow down io between EEPROM clock transitions */ -#define eeprom_slow_io() do { int _i = 40; while(--_i > 0) { inb(0x80); }}while(0) - -/* Jumperless Configuration Register (BMPR19) */ -#define JUMPERLESS_CONFIG 19 - -/* ID ROM registers, writing to them also resets some parts of chip */ -#define ID_ROM_0 24 -#define ID_ROM_7 31 -#define RESET ID_ROM_0 - -/* This is the I/O address list to be probed when seeking the card */ -static unsigned int eth16i_portlist[] __initdata = { - 0x260, 0x280, 0x2A0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 -}; - -static unsigned int eth32i_portlist[] __initdata = { - 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x6000, 0x7000, 0x8000, - 0x9000, 0xA000, 0xB000, 0xC000, 0xD000, 0xE000, 0xF000, 0 -}; - -/* This is the Interrupt lookup table for Eth16i card */ -static unsigned int eth16i_irqmap[] __initdata = { 9, 10, 5, 15, 0 }; -#define NUM_OF_ISA_IRQS 4 - -/* This is the Interrupt lookup table for Eth32i card */ -static unsigned int eth32i_irqmap[] __initdata = { 3, 5, 7, 9, 10, 11, 12, 15, 0 }; -#define EISA_IRQ_REG 0xc89 -#define NUM_OF_EISA_IRQS 8 - -static unsigned int eth16i_tx_buf_map[] = { 2048, 2048, 4096, 8192 }; - -/* Use 0 for production, 1 for verification, >2 for debug */ -#ifndef ETH16I_DEBUG -#define ETH16I_DEBUG 0 -#endif -static unsigned int eth16i_debug = ETH16I_DEBUG; - -/* Information for each board */ - -struct eth16i_local { - unsigned char tx_started; - unsigned char tx_buf_busy; - unsigned short tx_queue; /* Number of packets in transmit buffer */ - unsigned short tx_queue_len; - unsigned int tx_buf_size; - unsigned long open_time; - unsigned long tx_buffered_packets; - unsigned long tx_buffered_bytes; - unsigned long col_16; - spinlock_t lock; -}; - -/* Function prototypes */ - -static int eth16i_probe1(struct net_device *dev, int ioaddr); -static int eth16i_check_signature(int ioaddr); -static int eth16i_probe_port(int ioaddr); -static void eth16i_set_port(int ioaddr, int porttype); -static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l); -static int eth16i_receive_probe_packet(int ioaddr); -static int eth16i_get_irq(int ioaddr); -static int eth16i_read_eeprom(int ioaddr, int offset); -static int eth16i_read_eeprom_word(int ioaddr); -static void eth16i_eeprom_cmd(int ioaddr, unsigned char command); -static int eth16i_open(struct net_device *dev); -static int eth16i_close(struct net_device *dev); -static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev); -static void eth16i_rx(struct net_device *dev); -static void eth16i_timeout(struct net_device *dev); -static irqreturn_t eth16i_interrupt(int irq, void *dev_id); -static void eth16i_reset(struct net_device *dev); -static void eth16i_timeout(struct net_device *dev); -static void eth16i_skip_packet(struct net_device *dev); -static void eth16i_multicast(struct net_device *dev); -static void eth16i_select_regbank(unsigned char regbank, int ioaddr); -static void eth16i_initialize(struct net_device *dev, int boot); - -#if 0 -static int eth16i_set_irq(struct net_device *dev); -#endif - -#ifdef MODULE -static ushort eth16i_parse_mediatype(const char* s); -#endif - -static char cardname[] __initdata = "ICL EtherTeam 16i/32"; - -static int __init do_eth16i_probe(struct net_device *dev) -{ - int i; - int ioaddr; - int base_addr = dev->base_addr; - - if(eth16i_debug > 4) - printk(KERN_DEBUG "Probing started for %s\n", cardname); - - if(base_addr > 0x1ff) /* Check only single location */ - return eth16i_probe1(dev, base_addr); - else if(base_addr != 0) /* Don't probe at all */ - return -ENXIO; - - /* Seek card from the ISA io address space */ - for(i = 0; (ioaddr = eth16i_portlist[i]) ; i++) - if(eth16i_probe1(dev, ioaddr) == 0) - return 0; - - /* Seek card from the EISA io address space */ - for(i = 0; (ioaddr = eth32i_portlist[i]) ; i++) - if(eth16i_probe1(dev, ioaddr) == 0) - return 0; - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init eth16i_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct eth16i_local)); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_eth16i_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static const struct net_device_ops eth16i_netdev_ops = { - .ndo_open = eth16i_open, - .ndo_stop = eth16i_close, - .ndo_start_xmit = eth16i_tx, - .ndo_set_multicast_list = eth16i_multicast, - .ndo_tx_timeout = eth16i_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int __init eth16i_probe1(struct net_device *dev, int ioaddr) -{ - struct eth16i_local *lp = netdev_priv(dev); - static unsigned version_printed; - int retval; - - /* Let's grab the region */ - if (!request_region(ioaddr, ETH16I_IO_EXTENT, cardname)) - return -EBUSY; - - /* - The MB86985 chip has on register which holds information in which - io address the chip lies. First read this register and compare - it to our current io address and if match then this could - be our chip. - */ - - if(ioaddr < 0x1000) { - if(eth16i_portlist[(inb(ioaddr + JUMPERLESS_CONFIG) & 0x07)] - != ioaddr) { - retval = -ENODEV; - goto out; - } - } - - /* Now we will go a bit deeper and try to find the chip's signature */ - - if(eth16i_check_signature(ioaddr) != 0) { - retval = -ENODEV; - goto out; - } - - /* - Now it seems that we have found a ethernet chip in this particular - ioaddr. The MB86985 chip has this feature, that when you read a - certain register it will increase it's io base address to next - configurable slot. Now when we have found the chip, first thing is - to make sure that the chip's ioaddr will hold still here. - */ - - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(0x00, ioaddr + TRANSCEIVER_MODE_REG); - - outb(0x00, ioaddr + RESET); /* Reset some parts of chip */ - BITSET(ioaddr + CONFIG_REG_0, BIT(7)); /* Disable the data link */ - - if( (eth16i_debug & version_printed++) == 0) - printk(KERN_INFO "%s", version); - - dev->base_addr = ioaddr; - dev->irq = eth16i_get_irq(ioaddr); - - /* Try to obtain interrupt vector */ - - if ((retval = request_irq(dev->irq, (void *)ð16i_interrupt, 0, cardname, dev))) { - printk(KERN_WARNING "%s at %#3x, but is unusable due to conflicting IRQ %d.\n", - cardname, ioaddr, dev->irq); - goto out; - } - - printk(KERN_INFO "%s: %s at %#3x, IRQ %d, ", - dev->name, cardname, ioaddr, dev->irq); - - - /* Now we will have to lock the chip's io address */ - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(0x38, ioaddr + TRANSCEIVER_MODE_REG); - - eth16i_initialize(dev, 1); /* Initialize rest of the chip's registers */ - - /* Now let's same some energy by shutting down the chip ;) */ - BITCLR(ioaddr + CONFIG_REG_1, POWERUP); - - /* Initialize the device structure */ - dev->netdev_ops = ð16i_netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - spin_lock_init(&lp->lock); - - retval = register_netdev(dev); - if (retval) - goto out1; - return 0; -out1: - free_irq(dev->irq, dev); -out: - release_region(ioaddr, ETH16I_IO_EXTENT); - return retval; -} - - -static void eth16i_initialize(struct net_device *dev, int boot) -{ - int ioaddr = dev->base_addr; - int i, node_w = 0; - unsigned char node_byte = 0; - - /* Setup station address */ - eth16i_select_regbank(NODE_ID_RB, ioaddr); - for(i = 0 ; i < 3 ; i++) { - unsigned short node_val = eth16i_read_eeprom(ioaddr, E_NODEID_0 + i); - ((unsigned short *)dev->dev_addr)[i] = ntohs(node_val); - } - - for(i = 0; i < 6; i++) { - outb( ((unsigned char *)dev->dev_addr)[i], ioaddr + NODE_ID_0 + i); - if(boot) { - printk("%02x", inb(ioaddr + NODE_ID_0 + i)); - if(i != 5) - printk(":"); - } - } - - /* Now we will set multicast addresses to accept none */ - eth16i_select_regbank(HASH_TABLE_RB, ioaddr); - for(i = 0; i < 8; i++) - outb(0x00, ioaddr + HASH_TABLE_0 + i); - - /* - Now let's disable the transmitter and receiver, set the buffer ram - cycle time, bus width and buffer data path width. Also we shall - set transmit buffer size and total buffer size. - */ - - eth16i_select_regbank(2, ioaddr); - - node_byte = 0; - node_w = eth16i_read_eeprom(ioaddr, E_PRODUCT_CFG); - - if( (node_w & 0xFF00) == 0x0800) - node_byte |= BUFFER_WIDTH_8; - - node_byte |= SRAM_BS1; - - if( (node_w & 0x00FF) == 64) - node_byte |= SRAM_BS0; - - node_byte |= DLC_EN | SRAM_CYCLE_TIME_100NS | (ETH16I_TX_BUF_SIZE << 2); - - outb(node_byte, ioaddr + CONFIG_REG_0); - - /* We shall halt the transmitting, if 16 collisions are detected */ - outb(HALT_ON_16, ioaddr + COL_16_REG); - -#ifdef MODULE - /* if_port already set by init_module() */ -#else - dev->if_port = (dev->mem_start < E_PORT_FROM_EPROM) ? - dev->mem_start : E_PORT_FROM_EPROM; -#endif - - /* Set interface port type */ - if(boot) { - static const char * const porttype[] = { - "BNC", "DIX", "TP", "AUTO", "FROM_EPROM" - }; - - switch(dev->if_port) - { - - case E_PORT_FROM_EPROM: - dev->if_port = eth16i_read_eeprom(ioaddr, E_PORT_SELECT); - break; - - case E_PORT_AUTO: - dev->if_port = eth16i_probe_port(ioaddr); - break; - - case E_PORT_BNC: - case E_PORT_TP: - case E_PORT_DIX: - break; - } - - printk(" %s interface.\n", porttype[dev->if_port]); - - eth16i_set_port(ioaddr, dev->if_port); - } - - /* Set Receive Mode to normal operation */ - outb(MODE_2, ioaddr + RECEIVE_MODE_REG); -} - -static int eth16i_probe_port(int ioaddr) -{ - int i; - int retcode; - unsigned char dummy_packet[64]; - - /* Powerup the chip */ - outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); - - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - - eth16i_select_regbank(NODE_ID_RB, ioaddr); - - for(i = 0; i < 6; i++) { - dummy_packet[i] = inb(ioaddr + NODE_ID_0 + i); - dummy_packet[i+6] = inb(ioaddr + NODE_ID_0 + i); - } - - dummy_packet[12] = 0x00; - dummy_packet[13] = 0x04; - memset(dummy_packet + 14, 0, sizeof(dummy_packet) - 14); - - eth16i_select_regbank(2, ioaddr); - - for(i = 0; i < 3; i++) { - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); - eth16i_set_port(ioaddr, i); - - if(eth16i_debug > 1) - printk(KERN_DEBUG "Set port number %d\n", i); - - retcode = eth16i_send_probe_packet(ioaddr, dummy_packet, 64); - if(retcode == 0) { - retcode = eth16i_receive_probe_packet(ioaddr); - if(retcode != -1) { - if(eth16i_debug > 1) - printk(KERN_DEBUG "Eth16i interface port found at %d\n", i); - return i; - } - } - else { - if(eth16i_debug > 1) - printk(KERN_DEBUG "TRANSMIT_DONE timeout when probing interface port\n"); - } - } - - if( eth16i_debug > 1) - printk(KERN_DEBUG "Using default port\n"); - - return E_PORT_BNC; -} - -static void eth16i_set_port(int ioaddr, int porttype) -{ - unsigned short temp = 0; - - eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); - outb(LOOPBACK_CONTROL, ioaddr + TRANSMIT_MODE_REG); - - temp |= DIS_AUTO_PORT_SEL; - - switch(porttype) { - - case E_PORT_BNC : - temp |= AUI_SELECT; - break; - - case E_PORT_TP : - break; - - case E_PORT_DIX : - temp |= AUI_SELECT; - BITSET(ioaddr + TRANSMIT_MODE_REG, CONTROL_OUTPUT); - break; - } - - outb(temp, ioaddr + TRANSCEIVER_MODE_REG); - - if(eth16i_debug > 1) { - printk(KERN_DEBUG "TRANSMIT_MODE_REG = %x\n", inb(ioaddr + TRANSMIT_MODE_REG)); - printk(KERN_DEBUG "TRANSCEIVER_MODE_REG = %x\n", - inb(ioaddr+TRANSCEIVER_MODE_REG)); - } -} - -static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l) -{ - unsigned long starttime; - - outb(0xff, ioaddr + TX_STATUS_REG); - - outw(l, ioaddr + DATAPORT); - outsw(ioaddr + DATAPORT, (unsigned short *)b, (l + 1) >> 1); - - starttime = jiffies; - outb(TX_START | 1, ioaddr + TRANSMIT_START_REG); - - while( (inb(ioaddr + TX_STATUS_REG) & 0x80) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - return -1; - } - } - - return 0; -} - -static int eth16i_receive_probe_packet(int ioaddr) -{ - unsigned long starttime; - - starttime = jiffies; - - while((inb(ioaddr + TX_STATUS_REG) & 0x20) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - - if(eth16i_debug > 1) - printk(KERN_DEBUG "Timeout occurred waiting transmit packet received\n"); - starttime = jiffies; - while((inb(ioaddr + RX_STATUS_REG) & 0x80) == 0) { - if( time_after(jiffies, starttime + TX_TIMEOUT)) { - if(eth16i_debug > 1) - printk(KERN_DEBUG "Timeout occurred waiting receive packet\n"); - return -1; - } - } - - if(eth16i_debug > 1) - printk(KERN_DEBUG "RECEIVE_PACKET\n"); - return 0; /* Found receive packet */ - } - } - - if(eth16i_debug > 1) { - printk(KERN_DEBUG "TRANSMIT_PACKET_RECEIVED %x\n", inb(ioaddr + TX_STATUS_REG)); - printk(KERN_DEBUG "RX_STATUS_REG = %x\n", inb(ioaddr + RX_STATUS_REG)); - } - - return 0; /* Return success */ -} - -#if 0 -static int eth16i_set_irq(struct net_device* dev) -{ - const int ioaddr = dev->base_addr; - const int irq = dev->irq; - int i = 0; - - if(ioaddr < 0x1000) { - while(eth16i_irqmap[i] && eth16i_irqmap[i] != irq) - i++; - - if(i < NUM_OF_ISA_IRQS) { - u8 cbyte = inb(ioaddr + JUMPERLESS_CONFIG); - cbyte = (cbyte & 0x3F) | (i << 6); - outb(cbyte, ioaddr + JUMPERLESS_CONFIG); - return 0; - } - } - else { - printk(KERN_NOTICE "%s: EISA Interrupt cannot be set. Use EISA Configuration utility.\n", dev->name); - } - - return -1; - -} -#endif - -static int __init eth16i_get_irq(int ioaddr) -{ - unsigned char cbyte; - - if( ioaddr < 0x1000) { - cbyte = inb(ioaddr + JUMPERLESS_CONFIG); - return eth16i_irqmap[((cbyte & 0xC0) >> 6)]; - } else { /* Oh..the card is EISA so method getting IRQ different */ - unsigned short index = 0; - cbyte = inb(ioaddr + EISA_IRQ_REG); - while( (cbyte & 0x01) == 0) { - cbyte = cbyte >> 1; - index++; - } - return eth32i_irqmap[index]; - } -} - -static int __init eth16i_check_signature(int ioaddr) -{ - int i; - unsigned char creg[4] = { 0 }; - - for(i = 0; i < 4 ; i++) { - - creg[i] = inb(ioaddr + TRANSMIT_MODE_REG + i); - - if(eth16i_debug > 1) - printk("eth16i: read signature byte %x at %x\n", - creg[i], - ioaddr + TRANSMIT_MODE_REG + i); - } - - creg[0] &= 0x0F; /* Mask collision cnr */ - creg[2] &= 0x7F; /* Mask DCLEN bit */ - -#if 0 - /* - This was removed because the card was sometimes left to state - from which it couldn't be find anymore. If there is need - to more strict check still this have to be fixed. - */ - if( ! ((creg[0] == 0x06) && (creg[1] == 0x41)) ) { - if(creg[1] != 0x42) - return -1; - } -#endif - - if( !((creg[2] == 0x36) && (creg[3] == 0xE0)) ) { - creg[2] &= 0x40; - creg[3] &= 0x03; - - if( !((creg[2] == 0x40) && (creg[3] == 0x00)) ) - return -1; - } - - if(eth16i_read_eeprom(ioaddr, E_NODEID_0) != 0) - return -1; - - if((eth16i_read_eeprom(ioaddr, E_NODEID_1) & 0xFF00) != 0x4B00) - return -1; - - return 0; -} - -static int eth16i_read_eeprom(int ioaddr, int offset) -{ - int data = 0; - - eth16i_eeprom_cmd(ioaddr, EEPROM_READ | offset); - outb(CS_1, ioaddr + EEPROM_CTRL_REG); - data = eth16i_read_eeprom_word(ioaddr); - outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); - - return data; -} - -static int eth16i_read_eeprom_word(int ioaddr) -{ - int i; - int data = 0; - - for(i = 16; i > 0; i--) { - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - data = (data << 1) | - ((inb(ioaddr + EEPROM_DATA_REG) & DI_1) ? 1 : 0); - - eeprom_slow_io(); - } - - return data; -} - -static void eth16i_eeprom_cmd(int ioaddr, unsigned char command) -{ - int i; - - outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); - outb(DI_0, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - outb(DI_1, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - - for(i = 7; i >= 0; i--) { - short cmd = ( (command & (1 << i)) ? DI_1 : DI_0 ); - outb(cmd, ioaddr + EEPROM_DATA_REG); - outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); - eeprom_slow_io(); - } -} - -static int eth16i_open(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - /* Powerup the chip */ - outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); - - /* Initialize the chip */ - eth16i_initialize(dev, 0); - - /* Set the transmit buffer size */ - lp->tx_buf_size = eth16i_tx_buf_map[ETH16I_TX_BUF_SIZE & 0x03]; - - if(eth16i_debug > 0) - printk(KERN_DEBUG "%s: transmit buffer size %d\n", - dev->name, lp->tx_buf_size); - - /* Now enable Transmitter and Receiver sections */ - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); - - /* Now switch to register bank 2, for run time operation */ - eth16i_select_regbank(2, ioaddr); - - lp->open_time = jiffies; - lp->tx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - - /* Turn on interrupts*/ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - - netif_start_queue(dev); - return 0; -} - -static int eth16i_close(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - eth16i_reset(dev); - - /* Turn off interrupts*/ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - netif_stop_queue(dev); - - lp->open_time = 0; - - /* Disable transmit and receive */ - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - - /* Reset the chip */ - /* outb(0xff, ioaddr + RESET); */ - /* outw(0xffff, ioaddr + TX_STATUS_REG); */ - - outb(0x00, ioaddr + CONFIG_REG_1); - - return 0; -} - -static void eth16i_timeout(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - /* - If we get here, some higher level has decided that - we are broken. There should really be a "kick me" - function call instead. - */ - - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - printk(KERN_WARNING "%s: transmit timed out with status %04x, %s ?\n", - dev->name, - inw(ioaddr + TX_STATUS_REG), (inb(ioaddr + TX_STATUS_REG) & TX_DONE) ? - "IRQ conflict" : "network cable problem"); - - dev->trans_start = jiffies; /* prevent tx timeout */ - - /* Let's dump all registers */ - if(eth16i_debug > 0) { - printk(KERN_DEBUG "%s: timeout: %02x %02x %02x %02x %02x %02x %02x %02x.\n", - dev->name, inb(ioaddr + 0), - inb(ioaddr + 1), inb(ioaddr + 2), - inb(ioaddr + 3), inb(ioaddr + 4), - inb(ioaddr + 5), - inb(ioaddr + 6), inb(ioaddr + 7)); - - printk(KERN_DEBUG "%s: transmit start reg: %02x. collision reg %02x\n", - dev->name, inb(ioaddr + TRANSMIT_START_REG), - inb(ioaddr + COL_16_REG)); - printk(KERN_DEBUG "lp->tx_queue = %d\n", lp->tx_queue); - printk(KERN_DEBUG "lp->tx_queue_len = %d\n", lp->tx_queue_len); - printk(KERN_DEBUG "lp->tx_started = %d\n", lp->tx_started); - } - dev->stats.tx_errors++; - eth16i_reset(dev); - dev->trans_start = jiffies; /* prevent tx timeout */ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - netif_wake_queue(dev); -} - -static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - int status = 0; - ushort length = skb->len; - unsigned char *buf; - unsigned long flags; - - if (length < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - length = ETH_ZLEN; - } - buf = skb->data; - - netif_stop_queue(dev); - - /* Turn off TX interrupts */ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - /* We would be better doing the disable_irq tricks the 3c509 does, - that would make this suck a lot less */ - - spin_lock_irqsave(&lp->lock, flags); - - if( (length + 2) > (lp->tx_buf_size - lp->tx_queue_len)) { - if(eth16i_debug > 0) - printk(KERN_WARNING "%s: Transmit buffer full.\n", dev->name); - } - else { - outw(length, ioaddr + DATAPORT); - - if( ioaddr < 0x1000 ) - outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); - else { - unsigned char frag = length % 4; - outsl(ioaddr + DATAPORT, buf, length >> 2); - if( frag != 0 ) { - outsw(ioaddr + DATAPORT, (buf + (length & 0xFFFC)), 1); - if( frag == 3 ) - outsw(ioaddr + DATAPORT, - (buf + (length & 0xFFFC) + 2), 1); - } - } - lp->tx_buffered_packets++; - lp->tx_buffered_bytes = length; - lp->tx_queue++; - lp->tx_queue_len += length + 2; - } - lp->tx_buf_busy = 0; - - if(lp->tx_started == 0) { - /* If the transmitter is idle..always trigger a transmit */ - outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - netif_wake_queue(dev); - } - else if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { - /* There is still more room for one more packet in tx buffer */ - netif_wake_queue(dev); - } - - spin_unlock_irqrestore(&lp->lock, flags); - - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - /* Turn TX interrupts back on */ - /* outb(TX_INTR_DONE | TX_INTR_16_COL, ioaddr + TX_INTR_REG); */ - status = 0; - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - -static void eth16i_rx(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - int boguscount = MAX_RX_LOOP; - - /* Loop until all packets have been read */ - while( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) { - - /* Read status byte from receive buffer */ - ushort status = inw(ioaddr + DATAPORT); - - /* Get the size of the packet from receive buffer */ - ushort pkt_len = inw(ioaddr + DATAPORT); - - if(eth16i_debug > 4) - printk(KERN_DEBUG "%s: Receiving packet mode %02x status %04x.\n", - dev->name, - inb(ioaddr + RECEIVE_MODE_REG), status); - - if( !(status & PKT_GOOD) ) { - dev->stats.rx_errors++; - - if( (pkt_len < ETH_ZLEN) || (pkt_len > ETH_FRAME_LEN) ) { - dev->stats.rx_length_errors++; - eth16i_reset(dev); - return; - } - else { - eth16i_skip_packet(dev); - dev->stats.rx_dropped++; - } - } - else { /* Ok so now we should have a good packet */ - struct sk_buff *skb; - - skb = dev_alloc_skb(pkt_len + 3); - if( skb == NULL ) { - printk(KERN_WARNING "%s: Could'n allocate memory for packet (len %d)\n", - dev->name, pkt_len); - eth16i_skip_packet(dev); - dev->stats.rx_dropped++; - break; - } - - skb_reserve(skb,2); - - /* - Now let's get the packet out of buffer. - size is (pkt_len + 1) >> 1, cause we are now reading words - and it have to be even aligned. - */ - - if(ioaddr < 0x1000) - insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), - (pkt_len + 1) >> 1); - else { - unsigned char *buf = skb_put(skb, pkt_len); - unsigned char frag = pkt_len % 4; - - insl(ioaddr + DATAPORT, buf, pkt_len >> 2); - - if(frag != 0) { - unsigned short rest[2]; - rest[0] = inw( ioaddr + DATAPORT ); - if(frag == 3) - rest[1] = inw( ioaddr + DATAPORT ); - - memcpy(buf + (pkt_len & 0xfffc), (char *)rest, frag); - } - } - - skb->protocol=eth_type_trans(skb, dev); - - if( eth16i_debug > 5 ) { - int i; - printk(KERN_DEBUG "%s: Received packet of length %d.\n", - dev->name, pkt_len); - for(i = 0; i < 14; i++) - printk(KERN_DEBUG " %02x", skb->data[i]); - printk(KERN_DEBUG ".\n"); - } - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - - } /* else */ - - if(--boguscount <= 0) - break; - - } /* while */ -} - -static irqreturn_t eth16i_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct eth16i_local *lp; - int ioaddr = 0, status; - int handled = 0; - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - /* Turn off all interrupts from adapter */ - outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); - - /* eth16i_tx won't be called */ - spin_lock(&lp->lock); - - status = inw(ioaddr + TX_STATUS_REG); /* Get the status */ - outw(status, ioaddr + TX_STATUS_REG); /* Clear status bits */ - - if (status) - handled = 1; - - if(eth16i_debug > 3) - printk(KERN_DEBUG "%s: Interrupt with status %04x.\n", dev->name, status); - - if( status & 0x7f00 ) { - - dev->stats.rx_errors++; - - if(status & (BUS_RD_ERR << 8) ) - printk(KERN_WARNING "%s: Bus read error.\n",dev->name); - if(status & (SHORT_PKT_ERR << 8) ) dev->stats.rx_length_errors++; - if(status & (ALIGN_ERR << 8) ) dev->stats.rx_frame_errors++; - if(status & (CRC_ERR << 8) ) dev->stats.rx_crc_errors++; - if(status & (RX_BUF_OVERFLOW << 8) ) dev->stats.rx_over_errors++; - } - if( status & 0x001a) { - - dev->stats.tx_errors++; - - if(status & CR_LOST) dev->stats.tx_carrier_errors++; - if(status & TX_JABBER_ERR) dev->stats.tx_window_errors++; - -#if 0 - if(status & COLLISION) { - dev->stats.collisions += - ((inb(ioaddr+TRANSMIT_MODE_REG) & 0xF0) >> 4); - } -#endif - if(status & COLLISIONS_16) { - if(lp->col_16 < MAX_COL_16) { - lp->col_16++; - dev->stats.collisions++; - /* Resume transmitting, skip failed packet */ - outb(0x02, ioaddr + COL_16_REG); - } - else { - printk(KERN_WARNING "%s: bailing out due to many consecutive 16-in-a-row collisions. Network cable problem?\n", dev->name); - } - } - } - - if( status & 0x00ff ) { /* Let's check the transmit status reg */ - - if(status & TX_DONE) { /* The transmit has been done */ - dev->stats.tx_packets = lp->tx_buffered_packets; - dev->stats.tx_bytes += lp->tx_buffered_bytes; - lp->col_16 = 0; - - if(lp->tx_queue) { /* Is there still packets ? */ - /* There was packet(s) so start transmitting and write also - how many packets there is to be sended */ - outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - } - else { - lp->tx_started = 0; - } - netif_wake_queue(dev); - } - } - - if( ( status & 0x8000 ) || - ( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) ) { - eth16i_rx(dev); /* We have packet in receive buffer */ - } - - /* Turn interrupts back on */ - outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); - - if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { - /* There is still more room for one more packet in tx buffer */ - netif_wake_queue(dev); - } - - spin_unlock(&lp->lock); - - return IRQ_RETVAL(handled); -} - -static void eth16i_skip_packet(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - inw(ioaddr + DATAPORT); - inw(ioaddr + DATAPORT); - inw(ioaddr + DATAPORT); - - outb(SKIP_RX_PACKET, ioaddr + FILTER_SELF_RX_REG); - while( inb( ioaddr + FILTER_SELF_RX_REG ) != 0); -} - -static void eth16i_reset(struct net_device *dev) -{ - struct eth16i_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - if(eth16i_debug > 1) - printk(KERN_DEBUG "%s: Resetting device.\n", dev->name); - - BITSET(ioaddr + CONFIG_REG_0, DLC_EN); - outw(0xffff, ioaddr + TX_STATUS_REG); - eth16i_select_regbank(2, ioaddr); - - lp->tx_started = 0; - lp->tx_buf_busy = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); -} - -static void eth16i_multicast(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - if (!netdev_mc_empty(dev) || dev->flags&(IFF_ALLMULTI|IFF_PROMISC)) - { - outb(3, ioaddr + RECEIVE_MODE_REG); - } else { - outb(2, ioaddr + RECEIVE_MODE_REG); - } -} - -static void eth16i_select_regbank(unsigned char banknbr, int ioaddr) -{ - unsigned char data; - - data = inb(ioaddr + CONFIG_REG_1); - outb( ((data & 0xF3) | ( (banknbr & 0x03) << 2)), ioaddr + CONFIG_REG_1); -} - -#ifdef MODULE - -static ushort eth16i_parse_mediatype(const char* s) -{ - if(!s) - return E_PORT_FROM_EPROM; - - if (!strncmp(s, "bnc", 3)) - return E_PORT_BNC; - else if (!strncmp(s, "tp", 2)) - return E_PORT_TP; - else if (!strncmp(s, "dix", 3)) - return E_PORT_DIX; - else if (!strncmp(s, "auto", 4)) - return E_PORT_AUTO; - else - return E_PORT_FROM_EPROM; -} - -#define MAX_ETH16I_CARDS 4 /* Max number of Eth16i cards per module */ - -static struct net_device *dev_eth16i[MAX_ETH16I_CARDS]; -static int io[MAX_ETH16I_CARDS]; -#if 0 -static int irq[MAX_ETH16I_CARDS]; -#endif -static char* mediatype[MAX_ETH16I_CARDS]; -static int debug = -1; - -MODULE_AUTHOR("Mika Kuoppala "); -MODULE_DESCRIPTION("ICL EtherTeam 16i/32 driver"); -MODULE_LICENSE("GPL"); - - -module_param_array(io, int, NULL, 0); -MODULE_PARM_DESC(io, "eth16i I/O base address(es)"); - -#if 0 -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(irq, "eth16i interrupt request number"); -#endif - -module_param_array(mediatype, charp, NULL, 0); -MODULE_PARM_DESC(mediatype, "eth16i media type of interface(s) (bnc,tp,dix,auto,eprom)"); - -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "eth16i debug level (0-6)"); - -int __init init_module(void) -{ - int this_dev, found = 0; - struct net_device *dev; - - for (this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { - dev = alloc_etherdev(sizeof(struct eth16i_local)); - if (!dev) - break; - - dev->base_addr = io[this_dev]; - - if(debug != -1) - eth16i_debug = debug; - - if(eth16i_debug > 1) - printk(KERN_NOTICE "eth16i(%d): interface type %s\n", this_dev, mediatype[this_dev] ? mediatype[this_dev] : "none" ); - - dev->if_port = eth16i_parse_mediatype(mediatype[this_dev]); - - if(io[this_dev] == 0) { - if (this_dev != 0) { /* Only autoprobe 1st one */ - free_netdev(dev); - break; - } - - printk(KERN_NOTICE "eth16i.c: Presently autoprobing (not recommended) for a single card.\n"); - } - - if (do_eth16i_probe(dev) == 0) { - dev_eth16i[found++] = dev; - continue; - } - printk(KERN_WARNING "eth16i.c No Eth16i card found (i/o = 0x%x).\n", - io[this_dev]); - free_netdev(dev); - break; - } - if (found) - return 0; - return -ENXIO; -} - -void __exit cleanup_module(void) -{ - int this_dev; - - for(this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { - struct net_device *dev = dev_eth16i[this_dev]; - - if (netdev_priv(dev)) { - unregister_netdev(dev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, ETH16I_IO_EXTENT); - free_netdev(dev); - } - } -} -#endif /* MODULE */ diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index bdc0df8..d3aff74 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -24,6 +24,7 @@ source "drivers/net/ethernet/dlink/Kconfig" source "drivers/net/ethernet/emulex/Kconfig" source "drivers/net/ethernet/neterion/Kconfig" source "drivers/net/ethernet/faraday/Kconfig" +source "drivers/net/ethernet/fujitsu/Kconfig" source "drivers/net/ethernet/ibm/Kconfig" source "drivers/net/ethernet/intel/Kconfig" source "drivers/net/ethernet/i825xx/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index ac60ac9..b098c5e 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_NET_VENDOR_DLINK) += dlink/ obj-$(CONFIG_NET_VENDOR_EMULEX) += emulex/ obj-$(CONFIG_NET_VENDOR_EXAR) += neterion/ obj-$(CONFIG_NET_VENDOR_FARADAY) += faraday/ +obj-$(CONFIG_NET_VENDOR_FUJITSU) += fujitsu/ obj-$(CONFIG_NET_VENDOR_IBM) += ibm/ obj-$(CONFIG_NET_VENDOR_INTEL) += intel/ obj-$(CONFIG_NET_VENDOR_I825XX) += i825xx/ diff --git a/drivers/net/ethernet/fujitsu/Kconfig b/drivers/net/ethernet/fujitsu/Kconfig new file mode 100644 index 0000000..2cd968e --- /dev/null +++ b/drivers/net/ethernet/fujitsu/Kconfig @@ -0,0 +1,53 @@ +# +# Fujitsu Network device configuration +# + +config NET_VENDOR_FUJITSU + bool "Fujitsu devices" + depends on ISA || PCMCIA || ((ISA || MCA_LEGACY) && EXPERIMENTAL) + ---help--- + If you have a network (Ethernet) card belonging to this class, say Y + and read the Ethernet-HOWTO, available from + . + + Note that the answer to this question doesn't directly affect the + the questions about Fujitsu cards. If you say Y, you will be asked for + your specific card in the following questions. + +if NET_VENDOR_FUJITSU + +config AT1700 + tristate "AT1700/1720 support (EXPERIMENTAL)" + depends on (ISA || MCA_LEGACY) && EXPERIMENTAL + select CRC32 + ---help--- + If you have a network (Ethernet) card of this type, say Y and read + the Ethernet-HOWTO, available from + . + + To compile this driver as a module, choose M here. The module + will be called at1700. + +config PCMCIA_FMVJ18X + tristate "Fujitsu FMV-J18x PCMCIA support" + depends on PCMCIA + select CRC32 + ---help--- + Say Y here if you intend to attach a Fujitsu FMV-J18x or compatible + PCMCIA (PC-card) Ethernet card to your computer. + + To compile this driver as a module, choose M here: the module will be + called fmvj18x_cs. If unsure, say N. + +config ETH16I + tristate "ICL EtherTeam 16i/32 support" + depends on ISA + ---help--- + If you have a network (Ethernet) card of this type, say Y and read + the Ethernet-HOWTO, available from + . + + To compile this driver as a module, choose M here. The module + will be called eth16i. + +endif # NET_VENDOR_FUJITSU diff --git a/drivers/net/ethernet/fujitsu/Makefile b/drivers/net/ethernet/fujitsu/Makefile new file mode 100644 index 0000000..2730ae6 --- /dev/null +++ b/drivers/net/ethernet/fujitsu/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the Fujitsu network device drivers. +# + +obj-$(CONFIG_AT1700) += at1700.o +obj-$(CONFIG_ETH16I) += eth16i.o +obj-$(CONFIG_PCMCIA_FMVJ18X) += fmvj18x_cs.o diff --git a/drivers/net/ethernet/fujitsu/at1700.c b/drivers/net/ethernet/fujitsu/at1700.c new file mode 100644 index 0000000..65a78f9 --- /dev/null +++ b/drivers/net/ethernet/fujitsu/at1700.c @@ -0,0 +1,900 @@ +/* at1700.c: A network device driver for the Allied Telesis AT1700. + + Written 1993-98 by Donald Becker. + + Copyright 1993 United States Government as represented by the + Director, National Security Agency. + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + The author may be reached as becker@scyld.com, or C/O + Scyld Computing Corporation + 410 Severn Ave., Suite 210 + Annapolis MD 21403 + + This is a device driver for the Allied Telesis AT1700, and + Fujitsu FMV-181/182/181A/182A/183/184/183A/184A, which are + straight-forward Fujitsu MB86965 implementations. + + Modification for Fujitsu FMV-18X cards is done by Yutaka Tamiya + (tamy@flab.fujitsu.co.jp). + + Sources: + The Fujitsu MB86965 datasheet. + + After the initial version of this driver was written Gerry Sawkins of + ATI provided their EEPROM configuration code header file. + Thanks to NIIBE Yutaka for bug fixes. + + MCA bus (AT1720) support by Rene Schmit + + Bugs: + The MB86965 has a design flaw that makes all probes unreliable. Not + only is it difficult to detect, it also moves around in I/O space in + response to inb()s from other device probes! +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +static char version[] __initdata = + "at1700.c:v1.16 9/11/06 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; + +#define DRV_NAME "at1700" + +/* Tunable parameters. */ + +/* When to switch from the 64-entry multicast filter to Rx-all-multicast. */ +#define MC_FILTERBREAK 64 + +/* These unusual address orders are used to verify the CONFIG register. */ + +static int fmv18x_probe_list[] __initdata = { + 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 0 +}; + +/* + * ISA + */ + +static unsigned at1700_probe_list[] __initdata = { + 0x260, 0x280, 0x2a0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 +}; + +/* + * MCA + */ +#ifdef CONFIG_MCA_LEGACY +static int at1700_ioaddr_pattern[] __initdata = { + 0x00, 0x04, 0x01, 0x05, 0x02, 0x06, 0x03, 0x07 +}; + +static int at1700_mca_probe_list[] __initdata = { + 0x400, 0x1400, 0x2400, 0x3400, 0x4400, 0x5400, 0x6400, 0x7400, 0 +}; + +static int at1700_irq_pattern[] __initdata = { + 0x00, 0x00, 0x00, 0x30, 0x70, 0xb0, 0x00, 0x00, + 0x00, 0xf0, 0x34, 0x74, 0xb4, 0x00, 0x00, 0xf4, 0x00 +}; +#endif + +/* use 0 for production, 1 for verification, >2 for debug */ +#ifndef NET_DEBUG +#define NET_DEBUG 1 +#endif +static unsigned int net_debug = NET_DEBUG; + +typedef unsigned char uchar; + +/* Information that need to be kept for each board. */ +struct net_local { + spinlock_t lock; + unsigned char mc_filter[8]; + uint jumpered:1; /* Set iff the board has jumper config. */ + uint tx_started:1; /* Packets are on the Tx queue. */ + uint tx_queue_ready:1; /* Tx queue is ready to be sent. */ + uint rx_started:1; /* Packets are Rxing. */ + uchar tx_queue; /* Number of packet on the Tx queue. */ + char mca_slot; /* -1 means ISA */ + ushort tx_queue_len; /* Current length of the Tx queue. */ +}; + + +/* Offsets from the base address. */ +#define STATUS 0 +#define TX_STATUS 0 +#define RX_STATUS 1 +#define TX_INTR 2 /* Bit-mapped interrupt enable registers. */ +#define RX_INTR 3 +#define TX_MODE 4 +#define RX_MODE 5 +#define CONFIG_0 6 /* Misc. configuration settings. */ +#define CONFIG_1 7 +/* Run-time register bank 2 definitions. */ +#define DATAPORT 8 /* Word-wide DMA or programmed-I/O dataport. */ +#define TX_START 10 +#define COL16CNTL 11 /* Control Reg for 16 collisions */ +#define MODE13 13 +#define RX_CTRL 14 +/* Configuration registers only on the '865A/B chips. */ +#define EEPROM_Ctrl 16 +#define EEPROM_Data 17 +#define CARDSTATUS 16 /* FMV-18x Card Status */ +#define CARDSTATUS1 17 /* FMV-18x Card Status */ +#define IOCONFIG 18 /* Either read the jumper, or move the I/O. */ +#define IOCONFIG1 19 +#define SAPROM 20 /* The station address PROM, if no EEPROM. */ +#define MODE24 24 +#define RESET 31 /* Write to reset some parts of the chip. */ +#define AT1700_IO_EXTENT 32 +#define PORT_OFFSET(o) (o) + + +#define TX_TIMEOUT (HZ/10) + + +/* Index to functions, as function prototypes. */ + +static int at1700_probe1(struct net_device *dev, int ioaddr); +static int read_eeprom(long ioaddr, int location); +static int net_open(struct net_device *dev); +static netdev_tx_t net_send_packet(struct sk_buff *skb, + struct net_device *dev); +static irqreturn_t net_interrupt(int irq, void *dev_id); +static void net_rx(struct net_device *dev); +static int net_close(struct net_device *dev); +static void set_rx_mode(struct net_device *dev); +static void net_tx_timeout (struct net_device *dev); + + +#ifdef CONFIG_MCA_LEGACY +struct at1720_mca_adapters_struct { + char* name; + int id; +}; +/* rEnE : maybe there are others I don't know off... */ + +static struct at1720_mca_adapters_struct at1720_mca_adapters[] __initdata = { + { "Allied Telesys AT1720AT", 0x6410 }, + { "Allied Telesys AT1720BT", 0x6413 }, + { "Allied Telesys AT1720T", 0x6416 }, + { NULL, 0 }, +}; +#endif + +/* Check for a network adaptor of this type, and return '0' iff one exists. + If dev->base_addr == 0, probe all likely locations. + If dev->base_addr == 1, always return failure. + If dev->base_addr == 2, allocate space for the device and return success + (detachable devices only). + */ + +static int io = 0x260; + +static int irq; + +static void cleanup_card(struct net_device *dev) +{ +#ifdef CONFIG_MCA_LEGACY + struct net_local *lp = netdev_priv(dev); + if (lp->mca_slot >= 0) + mca_mark_as_unused(lp->mca_slot); +#endif + free_irq(dev->irq, NULL); + release_region(dev->base_addr, AT1700_IO_EXTENT); +} + +struct net_device * __init at1700_probe(int unit) +{ + struct net_device *dev = alloc_etherdev(sizeof(struct net_local)); + unsigned *port; + int err = 0; + + if (!dev) + return ERR_PTR(-ENODEV); + + if (unit >= 0) { + sprintf(dev->name, "eth%d", unit); + netdev_boot_setup_check(dev); + io = dev->base_addr; + irq = dev->irq; + } else { + dev->base_addr = io; + dev->irq = irq; + } + + if (io > 0x1ff) { /* Check a single specified location. */ + err = at1700_probe1(dev, io); + } else if (io != 0) { /* Don't probe at all. */ + err = -ENXIO; + } else { + for (port = at1700_probe_list; *port; port++) { + if (at1700_probe1(dev, *port) == 0) + break; + dev->irq = irq; + } + if (!*port) + err = -ENODEV; + } + if (err) + goto out; + err = register_netdev(dev); + if (err) + goto out1; + return dev; +out1: + cleanup_card(dev); +out: + free_netdev(dev); + return ERR_PTR(err); +} + +static const struct net_device_ops at1700_netdev_ops = { + .ndo_open = net_open, + .ndo_stop = net_close, + .ndo_start_xmit = net_send_packet, + .ndo_set_multicast_list = set_rx_mode, + .ndo_tx_timeout = net_tx_timeout, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +/* The Fujitsu datasheet suggests that the NIC be probed for by checking its + "signature", the default bit pattern after a reset. This *doesn't* work -- + there is no way to reset the bus interface without a complete power-cycle! + + It turns out that ATI came to the same conclusion I did: the only thing + that can be done is checking a few bits and then diving right into an + EEPROM read. */ + +static int __init at1700_probe1(struct net_device *dev, int ioaddr) +{ + static const char fmv_irqmap[4] = {3, 7, 10, 15}; + static const char fmv_irqmap_pnp[8] = {3, 4, 5, 7, 9, 10, 11, 15}; + static const char at1700_irqmap[8] = {3, 4, 5, 9, 10, 11, 14, 15}; + unsigned int i, irq, is_fmv18x = 0, is_at1700 = 0; + int slot, ret = -ENODEV; + struct net_local *lp = netdev_priv(dev); + + if (!request_region(ioaddr, AT1700_IO_EXTENT, DRV_NAME)) + return -EBUSY; + + /* Resetting the chip doesn't reset the ISA interface, so don't bother. + That means we have to be careful with the register values we probe + for. + */ +#ifdef notdef + printk("at1700 probe at %#x, eeprom is %4.4x %4.4x %4.4x ctrl %4.4x.\n", + ioaddr, read_eeprom(ioaddr, 4), read_eeprom(ioaddr, 5), + read_eeprom(ioaddr, 6), inw(ioaddr + EEPROM_Ctrl)); +#endif + +#ifdef CONFIG_MCA_LEGACY + /* rEnE (rene@bss.lu): got this from 3c509 driver source , adapted for AT1720 */ + + /* Based on Erik Nygren's (nygren@mit.edu) 3c529 patch, heavily + modified by Chris Beauregard (cpbeaure@csclub.uwaterloo.ca) + to support standard MCA probing. */ + + /* redone for multi-card detection by ZP Gu (zpg@castle.net) */ + /* now works as a module */ + + if (MCA_bus) { + int j; + int l_i; + u_char pos3, pos4; + + for (j = 0; at1720_mca_adapters[j].name != NULL; j ++) { + slot = 0; + while (slot != MCA_NOTFOUND) { + + slot = mca_find_unused_adapter( at1720_mca_adapters[j].id, slot ); + if (slot == MCA_NOTFOUND) break; + + /* if we get this far, an adapter has been detected and is + enabled */ + + pos3 = mca_read_stored_pos( slot, 3 ); + pos4 = mca_read_stored_pos( slot, 4 ); + + for (l_i = 0; l_i < 8; l_i++) + if (( pos3 & 0x07) == at1700_ioaddr_pattern[l_i]) + break; + ioaddr = at1700_mca_probe_list[l_i]; + + for (irq = 0; irq < 0x10; irq++) + if (((((pos4>>4) & 0x0f) | (pos3 & 0xf0)) & 0xff) == at1700_irq_pattern[irq]) + break; + + /* probing for a card at a particular IO/IRQ */ + if ((dev->irq && dev->irq != irq) || + (dev->base_addr && dev->base_addr != ioaddr)) { + slot++; /* probing next slot */ + continue; + } + + dev->irq = irq; + + /* claim the slot */ + mca_set_adapter_name( slot, at1720_mca_adapters[j].name ); + mca_mark_as_used(slot); + + goto found; + } + } + /* if we get here, we didn't find an MCA adapter - try ISA */ + } +#endif + slot = -1; + /* We must check for the EEPROM-config boards first, else accessing + IOCONFIG0 will move the board! */ + if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr && + read_eeprom(ioaddr, 4) == 0x0000 && + (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400) + is_at1700 = 1; + else if (inb(ioaddr + SAPROM ) == 0x00 && + inb(ioaddr + SAPROM + 1) == 0x00 && + inb(ioaddr + SAPROM + 2) == 0x0e) + is_fmv18x = 1; + else { + goto err_out; + } + +#ifdef CONFIG_MCA_LEGACY +found: +#endif + + /* Reset the internal state machines. */ + outb(0, ioaddr + RESET); + + if (is_at1700) { + irq = at1700_irqmap[(read_eeprom(ioaddr, 12)&0x04) + | (read_eeprom(ioaddr, 0)>>14)]; + } else { + /* Check PnP mode for FMV-183/184/183A/184A. */ + /* This PnP routine is very poor. IO and IRQ should be known. */ + if (inb(ioaddr + CARDSTATUS1) & 0x20) { + irq = dev->irq; + for (i = 0; i < 8; i++) { + if (irq == fmv_irqmap_pnp[i]) + break; + } + if (i == 8) { + goto err_mca; + } + } else { + if (fmv18x_probe_list[inb(ioaddr + IOCONFIG) & 0x07] != ioaddr) + goto err_mca; + irq = fmv_irqmap[(inb(ioaddr + IOCONFIG)>>6) & 0x03]; + } + } + + printk("%s: %s found at %#3x, IRQ %d, address ", dev->name, + is_at1700 ? "AT1700" : "FMV-18X", ioaddr, irq); + + dev->base_addr = ioaddr; + dev->irq = irq; + + if (is_at1700) { + for(i = 0; i < 3; i++) { + unsigned short eeprom_val = read_eeprom(ioaddr, 4+i); + ((unsigned short *)dev->dev_addr)[i] = ntohs(eeprom_val); + } + } else { + for(i = 0; i < 6; i++) { + unsigned char val = inb(ioaddr + SAPROM + i); + dev->dev_addr[i] = val; + } + } + printk("%pM", dev->dev_addr); + + /* The EEPROM word 12 bit 0x0400 means use regular 100 ohm 10baseT signals, + rather than 150 ohm shielded twisted pair compensation. + 0x0000 == auto-sense the interface + 0x0800 == use TP interface + 0x1800 == use coax interface + */ + { + const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2"}; + if (is_at1700) { + ushort setup_value = read_eeprom(ioaddr, 12); + dev->if_port = setup_value >> 8; + } else { + ushort setup_value = inb(ioaddr + CARDSTATUS); + switch (setup_value & 0x07) { + case 0x01: /* 10base5 */ + case 0x02: /* 10base2 */ + dev->if_port = 0x18; break; + case 0x04: /* 10baseT */ + dev->if_port = 0x08; break; + default: /* auto-sense */ + dev->if_port = 0x00; break; + } + } + printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]); + } + + /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit + bus access, two 4K Tx queues, and disabled Tx and Rx. */ + outb(0xda, ioaddr + CONFIG_0); + + /* Set the station address in bank zero. */ + outb(0x00, ioaddr + CONFIG_1); + for (i = 0; i < 6; i++) + outb(dev->dev_addr[i], ioaddr + PORT_OFFSET(8 + i)); + + /* Switch to bank 1 and set the multicast table to accept none. */ + outb(0x04, ioaddr + CONFIG_1); + for (i = 0; i < 8; i++) + outb(0x00, ioaddr + PORT_OFFSET(8 + i)); + + + /* Switch to bank 2 */ + /* Lock our I/O address, and set manual processing mode for 16 collisions. */ + outb(0x08, ioaddr + CONFIG_1); + outb(dev->if_port, ioaddr + MODE13); + outb(0x00, ioaddr + COL16CNTL); + + if (net_debug) + printk(version); + + dev->netdev_ops = &at1700_netdev_ops; + dev->watchdog_timeo = TX_TIMEOUT; + + spin_lock_init(&lp->lock); + + lp->jumpered = is_fmv18x; + lp->mca_slot = slot; + /* Snarf the interrupt vector now. */ + ret = request_irq(irq, net_interrupt, 0, DRV_NAME, dev); + if (ret) { + printk(KERN_ERR "AT1700 at %#3x is unusable due to a " + "conflict on IRQ %d.\n", + ioaddr, irq); + goto err_mca; + } + + return 0; + +err_mca: +#ifdef CONFIG_MCA_LEGACY + if (slot >= 0) + mca_mark_as_unused(slot); +#endif +err_out: + release_region(ioaddr, AT1700_IO_EXTENT); + return ret; +} + + +/* EEPROM_Ctrl bits. */ +#define EE_SHIFT_CLK 0x40 /* EEPROM shift clock, in reg. 16. */ +#define EE_CS 0x20 /* EEPROM chip select, in reg. 16. */ +#define EE_DATA_WRITE 0x80 /* EEPROM chip data in, in reg. 17. */ +#define EE_DATA_READ 0x80 /* EEPROM chip data out, in reg. 17. */ + +/* The EEPROM commands include the alway-set leading bit. */ +#define EE_WRITE_CMD (5 << 6) +#define EE_READ_CMD (6 << 6) +#define EE_ERASE_CMD (7 << 6) + +static int __init read_eeprom(long ioaddr, int location) +{ + int i; + unsigned short retval = 0; + long ee_addr = ioaddr + EEPROM_Ctrl; + long ee_daddr = ioaddr + EEPROM_Data; + int read_cmd = location | EE_READ_CMD; + + /* Shift the read command bits out. */ + for (i = 9; i >= 0; i--) { + short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; + outb(EE_CS, ee_addr); + outb(dataval, ee_daddr); + outb(EE_CS | EE_SHIFT_CLK, ee_addr); /* EEPROM clock tick. */ + } + outb(EE_DATA_WRITE, ee_daddr); + for (i = 16; i > 0; i--) { + outb(EE_CS, ee_addr); + outb(EE_CS | EE_SHIFT_CLK, ee_addr); + retval = (retval << 1) | ((inb(ee_daddr) & EE_DATA_READ) ? 1 : 0); + } + + /* Terminate the EEPROM access. */ + outb(EE_CS, ee_addr); + outb(EE_SHIFT_CLK, ee_addr); + outb(0, ee_addr); + return retval; +} + + + +static int net_open(struct net_device *dev) +{ + struct net_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + /* Set the configuration register 0 to 32K 100ns. byte-wide memory, 16 bit + bus access, and two 4K Tx queues. */ + outb(0x5a, ioaddr + CONFIG_0); + + /* Powerup, switch to register bank 2, and enable the Rx and Tx. */ + outb(0xe8, ioaddr + CONFIG_1); + + lp->tx_started = 0; + lp->tx_queue_ready = 1; + lp->rx_started = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + + /* Turn on hardware Tx and Rx interrupts. */ + outb(0x82, ioaddr + TX_INTR); + outb(0x81, ioaddr + RX_INTR); + + /* Enable the IRQ on boards of fmv18x it is feasible. */ + if (lp->jumpered) { + outb(0x80, ioaddr + IOCONFIG1); + } + + netif_start_queue(dev); + return 0; +} + +static void net_tx_timeout (struct net_device *dev) +{ + struct net_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + printk ("%s: transmit timed out with status %04x, %s?\n", dev->name, + inw (ioaddr + STATUS), inb (ioaddr + TX_STATUS) & 0x80 + ? "IRQ conflict" : "network cable problem"); + printk ("%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n", + dev->name, inw(ioaddr + TX_STATUS), inw(ioaddr + TX_INTR), inw(ioaddr + TX_MODE), + inw(ioaddr + CONFIG_0), inw(ioaddr + DATAPORT), inw(ioaddr + TX_START), + inw(ioaddr + MODE13 - 1), inw(ioaddr + RX_CTRL)); + dev->stats.tx_errors++; + /* ToDo: We should try to restart the adaptor... */ + outw(0xffff, ioaddr + MODE24); + outw (0xffff, ioaddr + TX_STATUS); + outb (0x5a, ioaddr + CONFIG_0); + outb (0xe8, ioaddr + CONFIG_1); + outw (0x8182, ioaddr + TX_INTR); + outb (0x00, ioaddr + TX_START); + outb (0x03, ioaddr + COL16CNTL); + + dev->trans_start = jiffies; /* prevent tx timeout */ + + lp->tx_started = 0; + lp->tx_queue_ready = 1; + lp->rx_started = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + + netif_wake_queue(dev); +} + + +static netdev_tx_t net_send_packet (struct sk_buff *skb, + struct net_device *dev) +{ + struct net_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; + short len = skb->len; + unsigned char *buf = skb->data; + static u8 pad[ETH_ZLEN]; + + netif_stop_queue (dev); + + /* We may not start transmitting unless we finish transferring + a packet into the Tx queue. During executing the following + codes we possibly catch a Tx interrupt. Thus we flag off + tx_queue_ready, so that we prevent the interrupt routine + (net_interrupt) to start transmitting. */ + lp->tx_queue_ready = 0; + { + outw (length, ioaddr + DATAPORT); + /* Packet data */ + outsw (ioaddr + DATAPORT, buf, len >> 1); + /* Check for dribble byte */ + if (len & 1) { + outw(skb->data[skb->len-1], ioaddr + DATAPORT); + len++; + } + /* Check for packet padding */ + if (length != skb->len) + outsw(ioaddr + DATAPORT, pad, (length - len + 1) >> 1); + + lp->tx_queue++; + lp->tx_queue_len += length + 2; + } + lp->tx_queue_ready = 1; + + if (lp->tx_started == 0) { + /* If the Tx is idle, always trigger a transmit. */ + outb (0x80 | lp->tx_queue, ioaddr + TX_START); + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->tx_started = 1; + netif_start_queue (dev); + } else if (lp->tx_queue_len < 4096 - 1502) + /* Yes, there is room for one more packet. */ + netif_start_queue (dev); + dev_kfree_skb (skb); + + return NETDEV_TX_OK; +} + +/* The typical workload of the driver: + Handle the network interface interrupts. */ +static irqreturn_t net_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct net_local *lp; + int ioaddr, status; + int handled = 0; + + if (dev == NULL) { + printk ("at1700_interrupt(): irq %d for unknown device.\n", irq); + return IRQ_NONE; + } + + ioaddr = dev->base_addr; + lp = netdev_priv(dev); + + spin_lock (&lp->lock); + + status = inw(ioaddr + TX_STATUS); + outw(status, ioaddr + TX_STATUS); + + if (net_debug > 4) + printk("%s: Interrupt with status %04x.\n", dev->name, status); + if (lp->rx_started == 0 && + (status & 0xff00 || (inb(ioaddr + RX_MODE) & 0x40) == 0)) { + /* Got a packet(s). + We cannot execute net_rx more than once at the same time for + the same device. During executing net_rx, we possibly catch a + Tx interrupt. Thus we flag on rx_started, so that we prevent + the interrupt routine (net_interrupt) to dive into net_rx + again. */ + handled = 1; + lp->rx_started = 1; + outb(0x00, ioaddr + RX_INTR); /* Disable RX intr. */ + net_rx(dev); + outb(0x81, ioaddr + RX_INTR); /* Enable RX intr. */ + lp->rx_started = 0; + } + if (status & 0x00ff) { + handled = 1; + if (status & 0x02) { + /* More than 16 collisions occurred */ + if (net_debug > 4) + printk("%s: 16 Collision occur during Txing.\n", dev->name); + /* Cancel sending a packet. */ + outb(0x03, ioaddr + COL16CNTL); + dev->stats.collisions++; + } + if (status & 0x82) { + dev->stats.tx_packets++; + /* The Tx queue has any packets and is not being + transferred a packet from the host, start + transmitting. */ + if (lp->tx_queue && lp->tx_queue_ready) { + outb(0x80 | lp->tx_queue, ioaddr + TX_START); + lp->tx_queue = 0; + lp->tx_queue_len = 0; + dev->trans_start = jiffies; + netif_wake_queue (dev); + } else { + lp->tx_started = 0; + netif_wake_queue (dev); + } + } + } + + spin_unlock (&lp->lock); + return IRQ_RETVAL(handled); +} + +/* We have a good packet(s), get it/them out of the buffers. */ +static void +net_rx(struct net_device *dev) +{ + int ioaddr = dev->base_addr; + int boguscount = 5; + + while ((inb(ioaddr + RX_MODE) & 0x40) == 0) { + ushort status = inw(ioaddr + DATAPORT); + ushort pkt_len = inw(ioaddr + DATAPORT); + + if (net_debug > 4) + printk("%s: Rxing packet mode %02x status %04x.\n", + dev->name, inb(ioaddr + RX_MODE), status); +#ifndef final_version + if (status == 0) { + outb(0x05, ioaddr + RX_CTRL); + break; + } +#endif + + if ((status & 0xF0) != 0x20) { /* There was an error. */ + dev->stats.rx_errors++; + if (status & 0x08) dev->stats.rx_length_errors++; + if (status & 0x04) dev->stats.rx_frame_errors++; + if (status & 0x02) dev->stats.rx_crc_errors++; + if (status & 0x01) dev->stats.rx_over_errors++; + } else { + /* Malloc up new buffer. */ + struct sk_buff *skb; + + if (pkt_len > 1550) { + printk("%s: The AT1700 claimed a very large packet, size %d.\n", + dev->name, pkt_len); + /* Prime the FIFO and then flush the packet. */ + inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); + outb(0x05, ioaddr + RX_CTRL); + dev->stats.rx_errors++; + break; + } + skb = dev_alloc_skb(pkt_len+3); + if (skb == NULL) { + printk("%s: Memory squeeze, dropping packet (len %d).\n", + dev->name, pkt_len); + /* Prime the FIFO and then flush the packet. */ + inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT); + outb(0x05, ioaddr + RX_CTRL); + dev->stats.rx_dropped++; + break; + } + skb_reserve(skb,2); + + insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1); + skb->protocol=eth_type_trans(skb, dev); + netif_rx(skb); + dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; + } + if (--boguscount <= 0) + break; + } + + /* If any worth-while packets have been received, dev_rint() + has done a mark_bh(NET_BH) for us and will work on them + when we get to the bottom-half routine. */ + { + int i; + for (i = 0; i < 20; i++) { + if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40) + break; + inw(ioaddr + DATAPORT); /* dummy status read */ + outb(0x05, ioaddr + RX_CTRL); + } + + if (net_debug > 5) + printk("%s: Exint Rx packet with mode %02x after %d ticks.\n", + dev->name, inb(ioaddr + RX_MODE), i); + } +} + +/* The inverse routine to net_open(). */ +static int net_close(struct net_device *dev) +{ + struct net_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + netif_stop_queue(dev); + + /* Set configuration register 0 to disable Tx and Rx. */ + outb(0xda, ioaddr + CONFIG_0); + + /* No statistic counters on the chip to update. */ + + /* Disable the IRQ on boards of fmv18x where it is feasible. */ + if (lp->jumpered) + outb(0x00, ioaddr + IOCONFIG1); + + /* Power-down the chip. Green, green, green! */ + outb(0x00, ioaddr + CONFIG_1); + return 0; +} + +/* + Set the multicast/promiscuous mode for this adaptor. +*/ + +static void +set_rx_mode(struct net_device *dev) +{ + int ioaddr = dev->base_addr; + struct net_local *lp = netdev_priv(dev); + unsigned char mc_filter[8]; /* Multicast hash filter */ + unsigned long flags; + + if (dev->flags & IFF_PROMISC) { + memset(mc_filter, 0xff, sizeof(mc_filter)); + outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ + } else if (netdev_mc_count(dev) > MC_FILTERBREAK || + (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + memset(mc_filter, 0xff, sizeof(mc_filter)); + outb(2, ioaddr + RX_MODE); /* Use normal mode. */ + } else if (netdev_mc_empty(dev)) { + memset(mc_filter, 0x00, sizeof(mc_filter)); + outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ + } else { + struct netdev_hw_addr *ha; + + memset(mc_filter, 0, sizeof(mc_filter)); + netdev_for_each_mc_addr(ha, dev) { + unsigned int bit = + ether_crc_le(ETH_ALEN, ha->addr) >> 26; + mc_filter[bit >> 3] |= (1 << bit); + } + outb(0x02, ioaddr + RX_MODE); /* Use normal mode. */ + } + + spin_lock_irqsave (&lp->lock, flags); + if (memcmp(mc_filter, lp->mc_filter, sizeof(mc_filter))) { + int i; + int saved_bank = inw(ioaddr + CONFIG_0); + /* Switch to bank 1 and set the multicast table. */ + outw((saved_bank & ~0x0C00) | 0x0480, ioaddr + CONFIG_0); + for (i = 0; i < 8; i++) + outb(mc_filter[i], ioaddr + PORT_OFFSET(8 + i)); + memcpy(lp->mc_filter, mc_filter, sizeof(mc_filter)); + outw(saved_bank, ioaddr + CONFIG_0); + } + spin_unlock_irqrestore (&lp->lock, flags); +} + +#ifdef MODULE +static struct net_device *dev_at1700; + +module_param(io, int, 0); +module_param(irq, int, 0); +module_param(net_debug, int, 0); +MODULE_PARM_DESC(io, "AT1700/FMV18X I/O base address"); +MODULE_PARM_DESC(irq, "AT1700/FMV18X IRQ number"); +MODULE_PARM_DESC(net_debug, "AT1700/FMV18X debug level (0-6)"); + +static int __init at1700_module_init(void) +{ + if (io == 0) + printk("at1700: You should not use auto-probing with insmod!\n"); + dev_at1700 = at1700_probe(-1); + if (IS_ERR(dev_at1700)) + return PTR_ERR(dev_at1700); + return 0; +} + +static void __exit at1700_module_exit(void) +{ + unregister_netdev(dev_at1700); + cleanup_card(dev_at1700); + free_netdev(dev_at1700); +} +module_init(at1700_module_init); +module_exit(at1700_module_exit); +#endif /* MODULE */ +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/fujitsu/eth16i.c b/drivers/net/ethernet/fujitsu/eth16i.c new file mode 100644 index 0000000..12d28e9 --- /dev/null +++ b/drivers/net/ethernet/fujitsu/eth16i.c @@ -0,0 +1,1484 @@ +/* eth16i.c An ICL EtherTeam 16i and 32 EISA ethernet driver for Linux + + Written 1994-1999 by Mika Kuoppala + + Copyright (C) 1994-1999 by Mika Kuoppala + Based on skeleton.c and heavily on at1700.c by Donald Becker + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + The author may be reached as miku@iki.fi + + This driver supports following cards : + - ICL EtherTeam 16i + - ICL EtherTeam 32 EISA + (Uses true 32 bit transfers rather than 16i compatibility mode) + + Example Module usage: + insmod eth16i.o io=0x2a0 mediatype=bnc + + mediatype can be one of the following: bnc,tp,dix,auto,eprom + + 'auto' will try to autoprobe mediatype. + 'eprom' will use whatever type defined in eprom. + + I have benchmarked driver with PII/300Mhz as a ftp client + and 486/33Mhz as a ftp server. Top speed was 1128.37 kilobytes/sec. + + Sources: + - skeleton.c a sample network driver core for linux, + written by Donald Becker + - at1700.c a driver for Allied Telesis AT1700, written + by Donald Becker. + - e16iSRV.asm a Netware 3.X Server Driver for ICL EtherTeam16i + written by Markku Viima + - The Fujitsu MB86965 databook. + + Author thanks following persons due to their valueble assistance: + Markku Viima (ICL) + Ari Valve (ICL) + Donald Becker + Kurt Huwig + + Revision history: + + Version Date Description + + 0.01 15.12-94 Initial version (card detection) + 0.02 23.01-95 Interrupt is now hooked correctly + 0.03 01.02-95 Rewrote initialization part + 0.04 07.02-95 Base skeleton done... + Made a few changes to signature checking + to make it a bit reliable. + - fixed bug in tx_buf mapping + - fixed bug in initialization (DLC_EN + wasn't enabled when initialization + was done.) + 0.05 08.02-95 If there were more than one packet to send, + transmit was jammed due to invalid + register write...now fixed + 0.06 19.02-95 Rewrote interrupt handling + 0.07 13.04-95 Wrote EEPROM read routines + Card configuration now set according to + data read from EEPROM + 0.08 23.06-95 Wrote part that tries to probe used interface + port if AUTO is selected + + 0.09 01.09-95 Added module support + + 0.10 04.09-95 Fixed receive packet allocation to work + with kernels > 1.3.x + + 0.20 20.09-95 Added support for EtherTeam32 EISA + + 0.21 17.10-95 Removed the unnecessary extern + init_etherdev() declaration. Some + other cleanups. + + 0.22 22.02-96 Receive buffer was not flushed + correctly when faulty packet was + received. Now fixed. + + 0.23 26.02-96 Made resetting the adapter + more reliable. + + 0.24 27.02-96 Rewrote faulty packet handling in eth16i_rx + + 0.25 22.05-96 kfree() was missing from cleanup_module. + + 0.26 11.06-96 Sometimes card was not found by + check_signature(). Now made more reliable. + + 0.27 23.06-96 Oops. 16 consecutive collisions halted + adapter. Now will try to retransmit + MAX_COL_16 times before finally giving up. + + 0.28 28.10-97 Added dev_id parameter (NULL) for free_irq + + 0.29 29.10-97 Multiple card support for module users + + 0.30 30.10-97 Fixed irq allocation bug. + (request_irq moved from probe to open) + + 0.30a 21.08-98 Card detection made more relaxed. Driver + had problems with some TCP/IP-PROM boots + to find the card. Suggested by + Kurt Huwig + + 0.31 28.08-98 Media interface port can now be selected + with module parameters or kernel + boot parameters. + + 0.32 31.08-98 IRQ was never freed if open/close + pair wasn't called. Now fixed. + + 0.33 10.09-98 When eth16i_open() was called after + eth16i_close() chip never recovered. + Now more shallow reset is made on + close. + + 0.34 29.06-99 Fixed one bad #ifdef. + Changed ioaddr -> io for consistency + + 0.35 01.07-99 transmit,-receive bytes were never + updated in stats. + + Bugs: + In some cases the media interface autoprobing code doesn't find + the correct interface type. In this case you can + manually choose the interface type in DOS with E16IC.EXE which is + configuration software for EtherTeam16i and EtherTeam32 cards. + This is also true for IRQ setting. You cannot use module + parameter to configure IRQ of the card (yet). + + To do: + - Real multicast support + - Rewrite the media interface autoprobing code. Its _horrible_ ! + - Possibly merge all the MB86965 specific code to external + module for use by eth16.c and Donald's at1700.c + - IRQ configuration with module parameter. I will do + this when i will get enough info about setting + irq without configuration utility. +*/ + +static char *version = + "eth16i.c: v0.35 01-Jul-1999 Mika Kuoppala (miku@iki.fi)\n"; + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + + + +/* Few macros */ +#define BITSET(ioaddr, bnum) ((outb(((inb(ioaddr)) | (bnum)), ioaddr))) +#define BITCLR(ioaddr, bnum) ((outb(((inb(ioaddr)) & (~(bnum))), ioaddr))) + +/* This is the I/O address space for Etherteam 16i adapter. */ +#define ETH16I_IO_EXTENT 32 + +/* Ticks before deciding that transmit has timed out */ +#define TX_TIMEOUT (400*HZ/1000) + +/* Maximum loop count when receiving packets */ +#define MAX_RX_LOOP 20 + +/* Some interrupt masks */ +#define ETH16I_INTR_ON 0xef8a /* Higher is receive mask */ +#define ETH16I_INTR_OFF 0x0000 + +/* Buffers header status byte meanings */ +#define PKT_GOOD BIT(5) +#define PKT_GOOD_RMT BIT(4) +#define PKT_SHORT BIT(3) +#define PKT_ALIGN_ERR BIT(2) +#define PKT_CRC_ERR BIT(1) +#define PKT_RX_BUF_OVERFLOW BIT(0) + +/* Transmit status register (DLCR0) */ +#define TX_STATUS_REG 0 +#define TX_DONE BIT(7) +#define NET_BUSY BIT(6) +#define TX_PKT_RCD BIT(5) +#define CR_LOST BIT(4) +#define TX_JABBER_ERR BIT(3) +#define COLLISION BIT(2) +#define COLLISIONS_16 BIT(1) + +/* Receive status register (DLCR1) */ +#define RX_STATUS_REG 1 +#define RX_PKT BIT(7) /* Packet received */ +#define BUS_RD_ERR BIT(6) +#define SHORT_PKT_ERR BIT(3) +#define ALIGN_ERR BIT(2) +#define CRC_ERR BIT(1) +#define RX_BUF_OVERFLOW BIT(0) + +/* Transmit Interrupt Enable Register (DLCR2) */ +#define TX_INTR_REG 2 +#define TX_INTR_DONE BIT(7) +#define TX_INTR_COL BIT(2) +#define TX_INTR_16_COL BIT(1) + +/* Receive Interrupt Enable Register (DLCR3) */ +#define RX_INTR_REG 3 +#define RX_INTR_RECEIVE BIT(7) +#define RX_INTR_SHORT_PKT BIT(3) +#define RX_INTR_CRC_ERR BIT(1) +#define RX_INTR_BUF_OVERFLOW BIT(0) + +/* Transmit Mode Register (DLCR4) */ +#define TRANSMIT_MODE_REG 4 +#define LOOPBACK_CONTROL BIT(1) +#define CONTROL_OUTPUT BIT(2) + +/* Receive Mode Register (DLCR5) */ +#define RECEIVE_MODE_REG 5 +#define RX_BUFFER_EMPTY BIT(6) +#define ACCEPT_BAD_PACKETS BIT(5) +#define RECEIVE_SHORT_ADDR BIT(4) +#define ACCEPT_SHORT_PACKETS BIT(3) +#define REMOTE_RESET BIT(2) + +#define ADDRESS_FILTER_MODE BIT(1) | BIT(0) +#define REJECT_ALL 0 +#define ACCEPT_ALL 3 +#define MODE_1 1 /* NODE ID, BC, MC, 2-24th bit */ +#define MODE_2 2 /* NODE ID, BC, MC, Hash Table */ + +/* Configuration Register 0 (DLCR6) */ +#define CONFIG_REG_0 6 +#define DLC_EN BIT(7) +#define SRAM_CYCLE_TIME_100NS BIT(6) +#define SYSTEM_BUS_WIDTH_8 BIT(5) /* 1 = 8bit, 0 = 16bit */ +#define BUFFER_WIDTH_8 BIT(4) /* 1 = 8bit, 0 = 16bit */ +#define TBS1 BIT(3) +#define TBS0 BIT(2) +#define SRAM_BS1 BIT(1) /* 00=8kb, 01=16kb */ +#define SRAM_BS0 BIT(0) /* 10=32kb, 11=64kb */ + +#ifndef ETH16I_TX_BUF_SIZE /* 0 = 2kb, 1 = 4kb */ +#define ETH16I_TX_BUF_SIZE 3 /* 2 = 8kb, 3 = 16kb */ +#endif +#define TX_BUF_1x2048 0 +#define TX_BUF_2x2048 1 +#define TX_BUF_2x4098 2 +#define TX_BUF_2x8192 3 + +/* Configuration Register 1 (DLCR7) */ +#define CONFIG_REG_1 7 +#define POWERUP BIT(5) + +/* Transmit start register */ +#define TRANSMIT_START_REG 10 +#define TRANSMIT_START_RB 2 +#define TX_START BIT(7) /* Rest of register bit indicate*/ + /* number of packets in tx buffer*/ +/* Node ID registers (DLCR8-13) */ +#define NODE_ID_0 8 +#define NODE_ID_RB 0 + +/* Hash Table registers (HT8-15) */ +#define HASH_TABLE_0 8 +#define HASH_TABLE_RB 1 + +/* Buffer memory ports */ +#define BUFFER_MEM_PORT_LB 8 +#define DATAPORT BUFFER_MEM_PORT_LB +#define BUFFER_MEM_PORT_HB 9 + +/* 16 Collision control register (BMPR11) */ +#define COL_16_REG 11 +#define HALT_ON_16 0x00 +#define RETRANS_AND_HALT_ON_16 0x02 + +/* Maximum number of attempts to send after 16 concecutive collisions */ +#define MAX_COL_16 10 + +/* DMA Burst and Transceiver Mode Register (BMPR13) */ +#define TRANSCEIVER_MODE_REG 13 +#define TRANSCEIVER_MODE_RB 2 +#define IO_BASE_UNLOCK BIT(7) +#define LOWER_SQUELCH_TRESH BIT(6) +#define LINK_TEST_DISABLE BIT(5) +#define AUI_SELECT BIT(4) +#define DIS_AUTO_PORT_SEL BIT(3) + +/* Filter Self Receive Register (BMPR14) */ +#define FILTER_SELF_RX_REG 14 +#define SKIP_RX_PACKET BIT(2) +#define FILTER_SELF_RECEIVE BIT(0) + +/* EEPROM Control Register (BMPR 16) */ +#define EEPROM_CTRL_REG 16 + +/* EEPROM Data Register (BMPR 17) */ +#define EEPROM_DATA_REG 17 + +/* NMC93CSx6 EEPROM Control Bits */ +#define CS_0 0x00 +#define CS_1 0x20 +#define SK_0 0x00 +#define SK_1 0x40 +#define DI_0 0x00 +#define DI_1 0x80 + +/* NMC93CSx6 EEPROM Instructions */ +#define EEPROM_READ 0x80 + +/* NMC93CSx6 EEPROM Addresses */ +#define E_NODEID_0 0x02 +#define E_NODEID_1 0x03 +#define E_NODEID_2 0x04 +#define E_PORT_SELECT 0x14 + #define E_PORT_BNC 0x00 + #define E_PORT_DIX 0x01 + #define E_PORT_TP 0x02 + #define E_PORT_AUTO 0x03 + #define E_PORT_FROM_EPROM 0x04 +#define E_PRODUCT_CFG 0x30 + + +/* Macro to slow down io between EEPROM clock transitions */ +#define eeprom_slow_io() do { int _i = 40; while(--_i > 0) { inb(0x80); }}while(0) + +/* Jumperless Configuration Register (BMPR19) */ +#define JUMPERLESS_CONFIG 19 + +/* ID ROM registers, writing to them also resets some parts of chip */ +#define ID_ROM_0 24 +#define ID_ROM_7 31 +#define RESET ID_ROM_0 + +/* This is the I/O address list to be probed when seeking the card */ +static unsigned int eth16i_portlist[] __initdata = { + 0x260, 0x280, 0x2A0, 0x240, 0x340, 0x320, 0x380, 0x300, 0 +}; + +static unsigned int eth32i_portlist[] __initdata = { + 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x6000, 0x7000, 0x8000, + 0x9000, 0xA000, 0xB000, 0xC000, 0xD000, 0xE000, 0xF000, 0 +}; + +/* This is the Interrupt lookup table for Eth16i card */ +static unsigned int eth16i_irqmap[] __initdata = { 9, 10, 5, 15, 0 }; +#define NUM_OF_ISA_IRQS 4 + +/* This is the Interrupt lookup table for Eth32i card */ +static unsigned int eth32i_irqmap[] __initdata = { 3, 5, 7, 9, 10, 11, 12, 15, 0 }; +#define EISA_IRQ_REG 0xc89 +#define NUM_OF_EISA_IRQS 8 + +static unsigned int eth16i_tx_buf_map[] = { 2048, 2048, 4096, 8192 }; + +/* Use 0 for production, 1 for verification, >2 for debug */ +#ifndef ETH16I_DEBUG +#define ETH16I_DEBUG 0 +#endif +static unsigned int eth16i_debug = ETH16I_DEBUG; + +/* Information for each board */ + +struct eth16i_local { + unsigned char tx_started; + unsigned char tx_buf_busy; + unsigned short tx_queue; /* Number of packets in transmit buffer */ + unsigned short tx_queue_len; + unsigned int tx_buf_size; + unsigned long open_time; + unsigned long tx_buffered_packets; + unsigned long tx_buffered_bytes; + unsigned long col_16; + spinlock_t lock; +}; + +/* Function prototypes */ + +static int eth16i_probe1(struct net_device *dev, int ioaddr); +static int eth16i_check_signature(int ioaddr); +static int eth16i_probe_port(int ioaddr); +static void eth16i_set_port(int ioaddr, int porttype); +static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l); +static int eth16i_receive_probe_packet(int ioaddr); +static int eth16i_get_irq(int ioaddr); +static int eth16i_read_eeprom(int ioaddr, int offset); +static int eth16i_read_eeprom_word(int ioaddr); +static void eth16i_eeprom_cmd(int ioaddr, unsigned char command); +static int eth16i_open(struct net_device *dev); +static int eth16i_close(struct net_device *dev); +static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev); +static void eth16i_rx(struct net_device *dev); +static void eth16i_timeout(struct net_device *dev); +static irqreturn_t eth16i_interrupt(int irq, void *dev_id); +static void eth16i_reset(struct net_device *dev); +static void eth16i_timeout(struct net_device *dev); +static void eth16i_skip_packet(struct net_device *dev); +static void eth16i_multicast(struct net_device *dev); +static void eth16i_select_regbank(unsigned char regbank, int ioaddr); +static void eth16i_initialize(struct net_device *dev, int boot); + +#if 0 +static int eth16i_set_irq(struct net_device *dev); +#endif + +#ifdef MODULE +static ushort eth16i_parse_mediatype(const char* s); +#endif + +static char cardname[] __initdata = "ICL EtherTeam 16i/32"; + +static int __init do_eth16i_probe(struct net_device *dev) +{ + int i; + int ioaddr; + int base_addr = dev->base_addr; + + if(eth16i_debug > 4) + printk(KERN_DEBUG "Probing started for %s\n", cardname); + + if(base_addr > 0x1ff) /* Check only single location */ + return eth16i_probe1(dev, base_addr); + else if(base_addr != 0) /* Don't probe at all */ + return -ENXIO; + + /* Seek card from the ISA io address space */ + for(i = 0; (ioaddr = eth16i_portlist[i]) ; i++) + if(eth16i_probe1(dev, ioaddr) == 0) + return 0; + + /* Seek card from the EISA io address space */ + for(i = 0; (ioaddr = eth32i_portlist[i]) ; i++) + if(eth16i_probe1(dev, ioaddr) == 0) + return 0; + + return -ENODEV; +} + +#ifndef MODULE +struct net_device * __init eth16i_probe(int unit) +{ + struct net_device *dev = alloc_etherdev(sizeof(struct eth16i_local)); + int err; + + if (!dev) + return ERR_PTR(-ENOMEM); + + sprintf(dev->name, "eth%d", unit); + netdev_boot_setup_check(dev); + + err = do_eth16i_probe(dev); + if (err) + goto out; + return dev; +out: + free_netdev(dev); + return ERR_PTR(err); +} +#endif + +static const struct net_device_ops eth16i_netdev_ops = { + .ndo_open = eth16i_open, + .ndo_stop = eth16i_close, + .ndo_start_xmit = eth16i_tx, + .ndo_set_multicast_list = eth16i_multicast, + .ndo_tx_timeout = eth16i_timeout, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +static int __init eth16i_probe1(struct net_device *dev, int ioaddr) +{ + struct eth16i_local *lp = netdev_priv(dev); + static unsigned version_printed; + int retval; + + /* Let's grab the region */ + if (!request_region(ioaddr, ETH16I_IO_EXTENT, cardname)) + return -EBUSY; + + /* + The MB86985 chip has on register which holds information in which + io address the chip lies. First read this register and compare + it to our current io address and if match then this could + be our chip. + */ + + if(ioaddr < 0x1000) { + if(eth16i_portlist[(inb(ioaddr + JUMPERLESS_CONFIG) & 0x07)] + != ioaddr) { + retval = -ENODEV; + goto out; + } + } + + /* Now we will go a bit deeper and try to find the chip's signature */ + + if(eth16i_check_signature(ioaddr) != 0) { + retval = -ENODEV; + goto out; + } + + /* + Now it seems that we have found a ethernet chip in this particular + ioaddr. The MB86985 chip has this feature, that when you read a + certain register it will increase it's io base address to next + configurable slot. Now when we have found the chip, first thing is + to make sure that the chip's ioaddr will hold still here. + */ + + eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); + outb(0x00, ioaddr + TRANSCEIVER_MODE_REG); + + outb(0x00, ioaddr + RESET); /* Reset some parts of chip */ + BITSET(ioaddr + CONFIG_REG_0, BIT(7)); /* Disable the data link */ + + if( (eth16i_debug & version_printed++) == 0) + printk(KERN_INFO "%s", version); + + dev->base_addr = ioaddr; + dev->irq = eth16i_get_irq(ioaddr); + + /* Try to obtain interrupt vector */ + + if ((retval = request_irq(dev->irq, (void *)ð16i_interrupt, 0, cardname, dev))) { + printk(KERN_WARNING "%s at %#3x, but is unusable due to conflicting IRQ %d.\n", + cardname, ioaddr, dev->irq); + goto out; + } + + printk(KERN_INFO "%s: %s at %#3x, IRQ %d, ", + dev->name, cardname, ioaddr, dev->irq); + + + /* Now we will have to lock the chip's io address */ + eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); + outb(0x38, ioaddr + TRANSCEIVER_MODE_REG); + + eth16i_initialize(dev, 1); /* Initialize rest of the chip's registers */ + + /* Now let's same some energy by shutting down the chip ;) */ + BITCLR(ioaddr + CONFIG_REG_1, POWERUP); + + /* Initialize the device structure */ + dev->netdev_ops = ð16i_netdev_ops; + dev->watchdog_timeo = TX_TIMEOUT; + spin_lock_init(&lp->lock); + + retval = register_netdev(dev); + if (retval) + goto out1; + return 0; +out1: + free_irq(dev->irq, dev); +out: + release_region(ioaddr, ETH16I_IO_EXTENT); + return retval; +} + + +static void eth16i_initialize(struct net_device *dev, int boot) +{ + int ioaddr = dev->base_addr; + int i, node_w = 0; + unsigned char node_byte = 0; + + /* Setup station address */ + eth16i_select_regbank(NODE_ID_RB, ioaddr); + for(i = 0 ; i < 3 ; i++) { + unsigned short node_val = eth16i_read_eeprom(ioaddr, E_NODEID_0 + i); + ((unsigned short *)dev->dev_addr)[i] = ntohs(node_val); + } + + for(i = 0; i < 6; i++) { + outb( ((unsigned char *)dev->dev_addr)[i], ioaddr + NODE_ID_0 + i); + if(boot) { + printk("%02x", inb(ioaddr + NODE_ID_0 + i)); + if(i != 5) + printk(":"); + } + } + + /* Now we will set multicast addresses to accept none */ + eth16i_select_regbank(HASH_TABLE_RB, ioaddr); + for(i = 0; i < 8; i++) + outb(0x00, ioaddr + HASH_TABLE_0 + i); + + /* + Now let's disable the transmitter and receiver, set the buffer ram + cycle time, bus width and buffer data path width. Also we shall + set transmit buffer size and total buffer size. + */ + + eth16i_select_regbank(2, ioaddr); + + node_byte = 0; + node_w = eth16i_read_eeprom(ioaddr, E_PRODUCT_CFG); + + if( (node_w & 0xFF00) == 0x0800) + node_byte |= BUFFER_WIDTH_8; + + node_byte |= SRAM_BS1; + + if( (node_w & 0x00FF) == 64) + node_byte |= SRAM_BS0; + + node_byte |= DLC_EN | SRAM_CYCLE_TIME_100NS | (ETH16I_TX_BUF_SIZE << 2); + + outb(node_byte, ioaddr + CONFIG_REG_0); + + /* We shall halt the transmitting, if 16 collisions are detected */ + outb(HALT_ON_16, ioaddr + COL_16_REG); + +#ifdef MODULE + /* if_port already set by init_module() */ +#else + dev->if_port = (dev->mem_start < E_PORT_FROM_EPROM) ? + dev->mem_start : E_PORT_FROM_EPROM; +#endif + + /* Set interface port type */ + if(boot) { + static const char * const porttype[] = { + "BNC", "DIX", "TP", "AUTO", "FROM_EPROM" + }; + + switch(dev->if_port) + { + + case E_PORT_FROM_EPROM: + dev->if_port = eth16i_read_eeprom(ioaddr, E_PORT_SELECT); + break; + + case E_PORT_AUTO: + dev->if_port = eth16i_probe_port(ioaddr); + break; + + case E_PORT_BNC: + case E_PORT_TP: + case E_PORT_DIX: + break; + } + + printk(" %s interface.\n", porttype[dev->if_port]); + + eth16i_set_port(ioaddr, dev->if_port); + } + + /* Set Receive Mode to normal operation */ + outb(MODE_2, ioaddr + RECEIVE_MODE_REG); +} + +static int eth16i_probe_port(int ioaddr) +{ + int i; + int retcode; + unsigned char dummy_packet[64]; + + /* Powerup the chip */ + outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); + + BITSET(ioaddr + CONFIG_REG_0, DLC_EN); + + eth16i_select_regbank(NODE_ID_RB, ioaddr); + + for(i = 0; i < 6; i++) { + dummy_packet[i] = inb(ioaddr + NODE_ID_0 + i); + dummy_packet[i+6] = inb(ioaddr + NODE_ID_0 + i); + } + + dummy_packet[12] = 0x00; + dummy_packet[13] = 0x04; + memset(dummy_packet + 14, 0, sizeof(dummy_packet) - 14); + + eth16i_select_regbank(2, ioaddr); + + for(i = 0; i < 3; i++) { + BITSET(ioaddr + CONFIG_REG_0, DLC_EN); + BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); + eth16i_set_port(ioaddr, i); + + if(eth16i_debug > 1) + printk(KERN_DEBUG "Set port number %d\n", i); + + retcode = eth16i_send_probe_packet(ioaddr, dummy_packet, 64); + if(retcode == 0) { + retcode = eth16i_receive_probe_packet(ioaddr); + if(retcode != -1) { + if(eth16i_debug > 1) + printk(KERN_DEBUG "Eth16i interface port found at %d\n", i); + return i; + } + } + else { + if(eth16i_debug > 1) + printk(KERN_DEBUG "TRANSMIT_DONE timeout when probing interface port\n"); + } + } + + if( eth16i_debug > 1) + printk(KERN_DEBUG "Using default port\n"); + + return E_PORT_BNC; +} + +static void eth16i_set_port(int ioaddr, int porttype) +{ + unsigned short temp = 0; + + eth16i_select_regbank(TRANSCEIVER_MODE_RB, ioaddr); + outb(LOOPBACK_CONTROL, ioaddr + TRANSMIT_MODE_REG); + + temp |= DIS_AUTO_PORT_SEL; + + switch(porttype) { + + case E_PORT_BNC : + temp |= AUI_SELECT; + break; + + case E_PORT_TP : + break; + + case E_PORT_DIX : + temp |= AUI_SELECT; + BITSET(ioaddr + TRANSMIT_MODE_REG, CONTROL_OUTPUT); + break; + } + + outb(temp, ioaddr + TRANSCEIVER_MODE_REG); + + if(eth16i_debug > 1) { + printk(KERN_DEBUG "TRANSMIT_MODE_REG = %x\n", inb(ioaddr + TRANSMIT_MODE_REG)); + printk(KERN_DEBUG "TRANSCEIVER_MODE_REG = %x\n", + inb(ioaddr+TRANSCEIVER_MODE_REG)); + } +} + +static int eth16i_send_probe_packet(int ioaddr, unsigned char *b, int l) +{ + unsigned long starttime; + + outb(0xff, ioaddr + TX_STATUS_REG); + + outw(l, ioaddr + DATAPORT); + outsw(ioaddr + DATAPORT, (unsigned short *)b, (l + 1) >> 1); + + starttime = jiffies; + outb(TX_START | 1, ioaddr + TRANSMIT_START_REG); + + while( (inb(ioaddr + TX_STATUS_REG) & 0x80) == 0) { + if( time_after(jiffies, starttime + TX_TIMEOUT)) { + return -1; + } + } + + return 0; +} + +static int eth16i_receive_probe_packet(int ioaddr) +{ + unsigned long starttime; + + starttime = jiffies; + + while((inb(ioaddr + TX_STATUS_REG) & 0x20) == 0) { + if( time_after(jiffies, starttime + TX_TIMEOUT)) { + + if(eth16i_debug > 1) + printk(KERN_DEBUG "Timeout occurred waiting transmit packet received\n"); + starttime = jiffies; + while((inb(ioaddr + RX_STATUS_REG) & 0x80) == 0) { + if( time_after(jiffies, starttime + TX_TIMEOUT)) { + if(eth16i_debug > 1) + printk(KERN_DEBUG "Timeout occurred waiting receive packet\n"); + return -1; + } + } + + if(eth16i_debug > 1) + printk(KERN_DEBUG "RECEIVE_PACKET\n"); + return 0; /* Found receive packet */ + } + } + + if(eth16i_debug > 1) { + printk(KERN_DEBUG "TRANSMIT_PACKET_RECEIVED %x\n", inb(ioaddr + TX_STATUS_REG)); + printk(KERN_DEBUG "RX_STATUS_REG = %x\n", inb(ioaddr + RX_STATUS_REG)); + } + + return 0; /* Return success */ +} + +#if 0 +static int eth16i_set_irq(struct net_device* dev) +{ + const int ioaddr = dev->base_addr; + const int irq = dev->irq; + int i = 0; + + if(ioaddr < 0x1000) { + while(eth16i_irqmap[i] && eth16i_irqmap[i] != irq) + i++; + + if(i < NUM_OF_ISA_IRQS) { + u8 cbyte = inb(ioaddr + JUMPERLESS_CONFIG); + cbyte = (cbyte & 0x3F) | (i << 6); + outb(cbyte, ioaddr + JUMPERLESS_CONFIG); + return 0; + } + } + else { + printk(KERN_NOTICE "%s: EISA Interrupt cannot be set. Use EISA Configuration utility.\n", dev->name); + } + + return -1; + +} +#endif + +static int __init eth16i_get_irq(int ioaddr) +{ + unsigned char cbyte; + + if( ioaddr < 0x1000) { + cbyte = inb(ioaddr + JUMPERLESS_CONFIG); + return eth16i_irqmap[((cbyte & 0xC0) >> 6)]; + } else { /* Oh..the card is EISA so method getting IRQ different */ + unsigned short index = 0; + cbyte = inb(ioaddr + EISA_IRQ_REG); + while( (cbyte & 0x01) == 0) { + cbyte = cbyte >> 1; + index++; + } + return eth32i_irqmap[index]; + } +} + +static int __init eth16i_check_signature(int ioaddr) +{ + int i; + unsigned char creg[4] = { 0 }; + + for(i = 0; i < 4 ; i++) { + + creg[i] = inb(ioaddr + TRANSMIT_MODE_REG + i); + + if(eth16i_debug > 1) + printk("eth16i: read signature byte %x at %x\n", + creg[i], + ioaddr + TRANSMIT_MODE_REG + i); + } + + creg[0] &= 0x0F; /* Mask collision cnr */ + creg[2] &= 0x7F; /* Mask DCLEN bit */ + +#if 0 + /* + This was removed because the card was sometimes left to state + from which it couldn't be find anymore. If there is need + to more strict check still this have to be fixed. + */ + if( ! ((creg[0] == 0x06) && (creg[1] == 0x41)) ) { + if(creg[1] != 0x42) + return -1; + } +#endif + + if( !((creg[2] == 0x36) && (creg[3] == 0xE0)) ) { + creg[2] &= 0x40; + creg[3] &= 0x03; + + if( !((creg[2] == 0x40) && (creg[3] == 0x00)) ) + return -1; + } + + if(eth16i_read_eeprom(ioaddr, E_NODEID_0) != 0) + return -1; + + if((eth16i_read_eeprom(ioaddr, E_NODEID_1) & 0xFF00) != 0x4B00) + return -1; + + return 0; +} + +static int eth16i_read_eeprom(int ioaddr, int offset) +{ + int data = 0; + + eth16i_eeprom_cmd(ioaddr, EEPROM_READ | offset); + outb(CS_1, ioaddr + EEPROM_CTRL_REG); + data = eth16i_read_eeprom_word(ioaddr); + outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); + + return data; +} + +static int eth16i_read_eeprom_word(int ioaddr) +{ + int i; + int data = 0; + + for(i = 16; i > 0; i--) { + outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); + eeprom_slow_io(); + outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); + eeprom_slow_io(); + data = (data << 1) | + ((inb(ioaddr + EEPROM_DATA_REG) & DI_1) ? 1 : 0); + + eeprom_slow_io(); + } + + return data; +} + +static void eth16i_eeprom_cmd(int ioaddr, unsigned char command) +{ + int i; + + outb(CS_0 | SK_0, ioaddr + EEPROM_CTRL_REG); + outb(DI_0, ioaddr + EEPROM_DATA_REG); + outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); + outb(DI_1, ioaddr + EEPROM_DATA_REG); + outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); + + for(i = 7; i >= 0; i--) { + short cmd = ( (command & (1 << i)) ? DI_1 : DI_0 ); + outb(cmd, ioaddr + EEPROM_DATA_REG); + outb(CS_1 | SK_0, ioaddr + EEPROM_CTRL_REG); + eeprom_slow_io(); + outb(CS_1 | SK_1, ioaddr + EEPROM_CTRL_REG); + eeprom_slow_io(); + } +} + +static int eth16i_open(struct net_device *dev) +{ + struct eth16i_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + /* Powerup the chip */ + outb(0xc0 | POWERUP, ioaddr + CONFIG_REG_1); + + /* Initialize the chip */ + eth16i_initialize(dev, 0); + + /* Set the transmit buffer size */ + lp->tx_buf_size = eth16i_tx_buf_map[ETH16I_TX_BUF_SIZE & 0x03]; + + if(eth16i_debug > 0) + printk(KERN_DEBUG "%s: transmit buffer size %d\n", + dev->name, lp->tx_buf_size); + + /* Now enable Transmitter and Receiver sections */ + BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); + + /* Now switch to register bank 2, for run time operation */ + eth16i_select_regbank(2, ioaddr); + + lp->open_time = jiffies; + lp->tx_started = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + + /* Turn on interrupts*/ + outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); + + netif_start_queue(dev); + return 0; +} + +static int eth16i_close(struct net_device *dev) +{ + struct eth16i_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + eth16i_reset(dev); + + /* Turn off interrupts*/ + outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); + + netif_stop_queue(dev); + + lp->open_time = 0; + + /* Disable transmit and receive */ + BITSET(ioaddr + CONFIG_REG_0, DLC_EN); + + /* Reset the chip */ + /* outb(0xff, ioaddr + RESET); */ + /* outw(0xffff, ioaddr + TX_STATUS_REG); */ + + outb(0x00, ioaddr + CONFIG_REG_1); + + return 0; +} + +static void eth16i_timeout(struct net_device *dev) +{ + struct eth16i_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + /* + If we get here, some higher level has decided that + we are broken. There should really be a "kick me" + function call instead. + */ + + outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); + printk(KERN_WARNING "%s: transmit timed out with status %04x, %s ?\n", + dev->name, + inw(ioaddr + TX_STATUS_REG), (inb(ioaddr + TX_STATUS_REG) & TX_DONE) ? + "IRQ conflict" : "network cable problem"); + + dev->trans_start = jiffies; /* prevent tx timeout */ + + /* Let's dump all registers */ + if(eth16i_debug > 0) { + printk(KERN_DEBUG "%s: timeout: %02x %02x %02x %02x %02x %02x %02x %02x.\n", + dev->name, inb(ioaddr + 0), + inb(ioaddr + 1), inb(ioaddr + 2), + inb(ioaddr + 3), inb(ioaddr + 4), + inb(ioaddr + 5), + inb(ioaddr + 6), inb(ioaddr + 7)); + + printk(KERN_DEBUG "%s: transmit start reg: %02x. collision reg %02x\n", + dev->name, inb(ioaddr + TRANSMIT_START_REG), + inb(ioaddr + COL_16_REG)); + printk(KERN_DEBUG "lp->tx_queue = %d\n", lp->tx_queue); + printk(KERN_DEBUG "lp->tx_queue_len = %d\n", lp->tx_queue_len); + printk(KERN_DEBUG "lp->tx_started = %d\n", lp->tx_started); + } + dev->stats.tx_errors++; + eth16i_reset(dev); + dev->trans_start = jiffies; /* prevent tx timeout */ + outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); + netif_wake_queue(dev); +} + +static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev) +{ + struct eth16i_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + int status = 0; + ushort length = skb->len; + unsigned char *buf; + unsigned long flags; + + if (length < ETH_ZLEN) { + if (skb_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + length = ETH_ZLEN; + } + buf = skb->data; + + netif_stop_queue(dev); + + /* Turn off TX interrupts */ + outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); + + /* We would be better doing the disable_irq tricks the 3c509 does, + that would make this suck a lot less */ + + spin_lock_irqsave(&lp->lock, flags); + + if( (length + 2) > (lp->tx_buf_size - lp->tx_queue_len)) { + if(eth16i_debug > 0) + printk(KERN_WARNING "%s: Transmit buffer full.\n", dev->name); + } + else { + outw(length, ioaddr + DATAPORT); + + if( ioaddr < 0x1000 ) + outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); + else { + unsigned char frag = length % 4; + outsl(ioaddr + DATAPORT, buf, length >> 2); + if( frag != 0 ) { + outsw(ioaddr + DATAPORT, (buf + (length & 0xFFFC)), 1); + if( frag == 3 ) + outsw(ioaddr + DATAPORT, + (buf + (length & 0xFFFC) + 2), 1); + } + } + lp->tx_buffered_packets++; + lp->tx_buffered_bytes = length; + lp->tx_queue++; + lp->tx_queue_len += length + 2; + } + lp->tx_buf_busy = 0; + + if(lp->tx_started == 0) { + /* If the transmitter is idle..always trigger a transmit */ + outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->tx_started = 1; + netif_wake_queue(dev); + } + else if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { + /* There is still more room for one more packet in tx buffer */ + netif_wake_queue(dev); + } + + spin_unlock_irqrestore(&lp->lock, flags); + + outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); + /* Turn TX interrupts back on */ + /* outb(TX_INTR_DONE | TX_INTR_16_COL, ioaddr + TX_INTR_REG); */ + status = 0; + dev_kfree_skb(skb); + return NETDEV_TX_OK; +} + +static void eth16i_rx(struct net_device *dev) +{ + int ioaddr = dev->base_addr; + int boguscount = MAX_RX_LOOP; + + /* Loop until all packets have been read */ + while( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) { + + /* Read status byte from receive buffer */ + ushort status = inw(ioaddr + DATAPORT); + + /* Get the size of the packet from receive buffer */ + ushort pkt_len = inw(ioaddr + DATAPORT); + + if(eth16i_debug > 4) + printk(KERN_DEBUG "%s: Receiving packet mode %02x status %04x.\n", + dev->name, + inb(ioaddr + RECEIVE_MODE_REG), status); + + if( !(status & PKT_GOOD) ) { + dev->stats.rx_errors++; + + if( (pkt_len < ETH_ZLEN) || (pkt_len > ETH_FRAME_LEN) ) { + dev->stats.rx_length_errors++; + eth16i_reset(dev); + return; + } + else { + eth16i_skip_packet(dev); + dev->stats.rx_dropped++; + } + } + else { /* Ok so now we should have a good packet */ + struct sk_buff *skb; + + skb = dev_alloc_skb(pkt_len + 3); + if( skb == NULL ) { + printk(KERN_WARNING "%s: Could'n allocate memory for packet (len %d)\n", + dev->name, pkt_len); + eth16i_skip_packet(dev); + dev->stats.rx_dropped++; + break; + } + + skb_reserve(skb,2); + + /* + Now let's get the packet out of buffer. + size is (pkt_len + 1) >> 1, cause we are now reading words + and it have to be even aligned. + */ + + if(ioaddr < 0x1000) + insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), + (pkt_len + 1) >> 1); + else { + unsigned char *buf = skb_put(skb, pkt_len); + unsigned char frag = pkt_len % 4; + + insl(ioaddr + DATAPORT, buf, pkt_len >> 2); + + if(frag != 0) { + unsigned short rest[2]; + rest[0] = inw( ioaddr + DATAPORT ); + if(frag == 3) + rest[1] = inw( ioaddr + DATAPORT ); + + memcpy(buf + (pkt_len & 0xfffc), (char *)rest, frag); + } + } + + skb->protocol=eth_type_trans(skb, dev); + + if( eth16i_debug > 5 ) { + int i; + printk(KERN_DEBUG "%s: Received packet of length %d.\n", + dev->name, pkt_len); + for(i = 0; i < 14; i++) + printk(KERN_DEBUG " %02x", skb->data[i]); + printk(KERN_DEBUG ".\n"); + } + netif_rx(skb); + dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; + + } /* else */ + + if(--boguscount <= 0) + break; + + } /* while */ +} + +static irqreturn_t eth16i_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct eth16i_local *lp; + int ioaddr = 0, status; + int handled = 0; + + ioaddr = dev->base_addr; + lp = netdev_priv(dev); + + /* Turn off all interrupts from adapter */ + outw(ETH16I_INTR_OFF, ioaddr + TX_INTR_REG); + + /* eth16i_tx won't be called */ + spin_lock(&lp->lock); + + status = inw(ioaddr + TX_STATUS_REG); /* Get the status */ + outw(status, ioaddr + TX_STATUS_REG); /* Clear status bits */ + + if (status) + handled = 1; + + if(eth16i_debug > 3) + printk(KERN_DEBUG "%s: Interrupt with status %04x.\n", dev->name, status); + + if( status & 0x7f00 ) { + + dev->stats.rx_errors++; + + if(status & (BUS_RD_ERR << 8) ) + printk(KERN_WARNING "%s: Bus read error.\n",dev->name); + if(status & (SHORT_PKT_ERR << 8) ) dev->stats.rx_length_errors++; + if(status & (ALIGN_ERR << 8) ) dev->stats.rx_frame_errors++; + if(status & (CRC_ERR << 8) ) dev->stats.rx_crc_errors++; + if(status & (RX_BUF_OVERFLOW << 8) ) dev->stats.rx_over_errors++; + } + if( status & 0x001a) { + + dev->stats.tx_errors++; + + if(status & CR_LOST) dev->stats.tx_carrier_errors++; + if(status & TX_JABBER_ERR) dev->stats.tx_window_errors++; + +#if 0 + if(status & COLLISION) { + dev->stats.collisions += + ((inb(ioaddr+TRANSMIT_MODE_REG) & 0xF0) >> 4); + } +#endif + if(status & COLLISIONS_16) { + if(lp->col_16 < MAX_COL_16) { + lp->col_16++; + dev->stats.collisions++; + /* Resume transmitting, skip failed packet */ + outb(0x02, ioaddr + COL_16_REG); + } + else { + printk(KERN_WARNING "%s: bailing out due to many consecutive 16-in-a-row collisions. Network cable problem?\n", dev->name); + } + } + } + + if( status & 0x00ff ) { /* Let's check the transmit status reg */ + + if(status & TX_DONE) { /* The transmit has been done */ + dev->stats.tx_packets = lp->tx_buffered_packets; + dev->stats.tx_bytes += lp->tx_buffered_bytes; + lp->col_16 = 0; + + if(lp->tx_queue) { /* Is there still packets ? */ + /* There was packet(s) so start transmitting and write also + how many packets there is to be sended */ + outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG); + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->tx_started = 1; + } + else { + lp->tx_started = 0; + } + netif_wake_queue(dev); + } + } + + if( ( status & 0x8000 ) || + ( (inb(ioaddr + RECEIVE_MODE_REG) & RX_BUFFER_EMPTY) == 0) ) { + eth16i_rx(dev); /* We have packet in receive buffer */ + } + + /* Turn interrupts back on */ + outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG); + + if(lp->tx_queue_len < lp->tx_buf_size - (ETH_FRAME_LEN + 2)) { + /* There is still more room for one more packet in tx buffer */ + netif_wake_queue(dev); + } + + spin_unlock(&lp->lock); + + return IRQ_RETVAL(handled); +} + +static void eth16i_skip_packet(struct net_device *dev) +{ + int ioaddr = dev->base_addr; + + inw(ioaddr + DATAPORT); + inw(ioaddr + DATAPORT); + inw(ioaddr + DATAPORT); + + outb(SKIP_RX_PACKET, ioaddr + FILTER_SELF_RX_REG); + while( inb( ioaddr + FILTER_SELF_RX_REG ) != 0); +} + +static void eth16i_reset(struct net_device *dev) +{ + struct eth16i_local *lp = netdev_priv(dev); + int ioaddr = dev->base_addr; + + if(eth16i_debug > 1) + printk(KERN_DEBUG "%s: Resetting device.\n", dev->name); + + BITSET(ioaddr + CONFIG_REG_0, DLC_EN); + outw(0xffff, ioaddr + TX_STATUS_REG); + eth16i_select_regbank(2, ioaddr); + + lp->tx_started = 0; + lp->tx_buf_busy = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + BITCLR(ioaddr + CONFIG_REG_0, DLC_EN); +} + +static void eth16i_multicast(struct net_device *dev) +{ + int ioaddr = dev->base_addr; + + if (!netdev_mc_empty(dev) || dev->flags&(IFF_ALLMULTI|IFF_PROMISC)) + { + outb(3, ioaddr + RECEIVE_MODE_REG); + } else { + outb(2, ioaddr + RECEIVE_MODE_REG); + } +} + +static void eth16i_select_regbank(unsigned char banknbr, int ioaddr) +{ + unsigned char data; + + data = inb(ioaddr + CONFIG_REG_1); + outb( ((data & 0xF3) | ( (banknbr & 0x03) << 2)), ioaddr + CONFIG_REG_1); +} + +#ifdef MODULE + +static ushort eth16i_parse_mediatype(const char* s) +{ + if(!s) + return E_PORT_FROM_EPROM; + + if (!strncmp(s, "bnc", 3)) + return E_PORT_BNC; + else if (!strncmp(s, "tp", 2)) + return E_PORT_TP; + else if (!strncmp(s, "dix", 3)) + return E_PORT_DIX; + else if (!strncmp(s, "auto", 4)) + return E_PORT_AUTO; + else + return E_PORT_FROM_EPROM; +} + +#define MAX_ETH16I_CARDS 4 /* Max number of Eth16i cards per module */ + +static struct net_device *dev_eth16i[MAX_ETH16I_CARDS]; +static int io[MAX_ETH16I_CARDS]; +#if 0 +static int irq[MAX_ETH16I_CARDS]; +#endif +static char* mediatype[MAX_ETH16I_CARDS]; +static int debug = -1; + +MODULE_AUTHOR("Mika Kuoppala "); +MODULE_DESCRIPTION("ICL EtherTeam 16i/32 driver"); +MODULE_LICENSE("GPL"); + + +module_param_array(io, int, NULL, 0); +MODULE_PARM_DESC(io, "eth16i I/O base address(es)"); + +#if 0 +module_param_array(irq, int, NULL, 0); +MODULE_PARM_DESC(irq, "eth16i interrupt request number"); +#endif + +module_param_array(mediatype, charp, NULL, 0); +MODULE_PARM_DESC(mediatype, "eth16i media type of interface(s) (bnc,tp,dix,auto,eprom)"); + +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "eth16i debug level (0-6)"); + +int __init init_module(void) +{ + int this_dev, found = 0; + struct net_device *dev; + + for (this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { + dev = alloc_etherdev(sizeof(struct eth16i_local)); + if (!dev) + break; + + dev->base_addr = io[this_dev]; + + if(debug != -1) + eth16i_debug = debug; + + if(eth16i_debug > 1) + printk(KERN_NOTICE "eth16i(%d): interface type %s\n", this_dev, mediatype[this_dev] ? mediatype[this_dev] : "none" ); + + dev->if_port = eth16i_parse_mediatype(mediatype[this_dev]); + + if(io[this_dev] == 0) { + if (this_dev != 0) { /* Only autoprobe 1st one */ + free_netdev(dev); + break; + } + + printk(KERN_NOTICE "eth16i.c: Presently autoprobing (not recommended) for a single card.\n"); + } + + if (do_eth16i_probe(dev) == 0) { + dev_eth16i[found++] = dev; + continue; + } + printk(KERN_WARNING "eth16i.c No Eth16i card found (i/o = 0x%x).\n", + io[this_dev]); + free_netdev(dev); + break; + } + if (found) + return 0; + return -ENXIO; +} + +void __exit cleanup_module(void) +{ + int this_dev; + + for(this_dev = 0; this_dev < MAX_ETH16I_CARDS; this_dev++) { + struct net_device *dev = dev_eth16i[this_dev]; + + if (netdev_priv(dev)) { + unregister_netdev(dev); + free_irq(dev->irq, dev); + release_region(dev->base_addr, ETH16I_IO_EXTENT); + free_netdev(dev); + } + } +} +#endif /* MODULE */ diff --git a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c new file mode 100644 index 0000000..723815e --- /dev/null +++ b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c @@ -0,0 +1,1187 @@ +/*====================================================================== + fmvj18x_cs.c 2.8 2002/03/23 + + A fmvj18x (and its compatibles) PCMCIA client driver + + Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp + + TDK LAK-CD021 and CONTEC C-NET(PC)C support added by + Nobuhiro Katayama, kata-n@po.iijnet.or.jp + + The PCMCIA client code is based on code written by David Hinds. + Network code is based on the "FMV-18x driver" by Yutaka TAMIYA + but is actually largely Donald Becker's AT1700 driver, which + carries the following attribution: + + Written 1993-94 by Donald Becker. + + Copyright 1993 United States Government as represented by the + Director, National Security Agency. + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + The author may be reached as becker@scyld.com, or C/O + Scyld Computing Corporation + 410 Severn Ave., Suite 210 + Annapolis MD 21403 + +======================================================================*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#define DRV_NAME "fmvj18x_cs" +#define DRV_VERSION "2.9" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +/*====================================================================*/ + +/* Module parameters */ + +MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver"); +MODULE_LICENSE("GPL"); + +#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) + +/* SRAM configuration */ +/* 0:4KB*2 TX buffer else:8KB*2 TX buffer */ +INT_MODULE_PARM(sram_config, 0); + + +/*====================================================================*/ +/* + PCMCIA event handlers + */ +static int fmvj18x_config(struct pcmcia_device *link); +static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id); +static int fmvj18x_setup_mfc(struct pcmcia_device *link); +static void fmvj18x_release(struct pcmcia_device *link); +static void fmvj18x_detach(struct pcmcia_device *p_dev); + +/* + LAN controller(MBH86960A) specific routines + */ +static int fjn_config(struct net_device *dev, struct ifmap *map); +static int fjn_open(struct net_device *dev); +static int fjn_close(struct net_device *dev); +static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, + struct net_device *dev); +static irqreturn_t fjn_interrupt(int irq, void *dev_id); +static void fjn_rx(struct net_device *dev); +static void fjn_reset(struct net_device *dev); +static void set_rx_mode(struct net_device *dev); +static void fjn_tx_timeout(struct net_device *dev); +static const struct ethtool_ops netdev_ethtool_ops; + +/* + card type + */ +typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN, + XXX10304, NEC, KME +} cardtype_t; + +/* + driver specific data structure +*/ +typedef struct local_info_t { + struct pcmcia_device *p_dev; + long open_time; + uint tx_started:1; + uint tx_queue; + u_short tx_queue_len; + cardtype_t cardtype; + u_short sent; + u_char __iomem *base; +} local_info_t; + +#define MC_FILTERBREAK 64 + +/*====================================================================*/ +/* + ioport offset from the base address + */ +#define TX_STATUS 0 /* transmit status register */ +#define RX_STATUS 1 /* receive status register */ +#define TX_INTR 2 /* transmit interrupt mask register */ +#define RX_INTR 3 /* receive interrupt mask register */ +#define TX_MODE 4 /* transmit mode register */ +#define RX_MODE 5 /* receive mode register */ +#define CONFIG_0 6 /* configuration register 0 */ +#define CONFIG_1 7 /* configuration register 1 */ + +#define NODE_ID 8 /* node ID register (bank 0) */ +#define MAR_ADR 8 /* multicast address registers (bank 1) */ + +#define DATAPORT 8 /* buffer mem port registers (bank 2) */ +#define TX_START 10 /* transmit start register */ +#define COL_CTRL 11 /* 16 collision control register */ +#define BMPR12 12 /* reserved */ +#define BMPR13 13 /* reserved */ +#define RX_SKIP 14 /* skip received packet register */ + +#define LAN_CTRL 16 /* LAN card control register */ + +#define MAC_ID 0x1a /* hardware address */ +#define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */ + +/* + control bits + */ +#define ENA_TMT_OK 0x80 +#define ENA_TMT_REC 0x20 +#define ENA_COL 0x04 +#define ENA_16_COL 0x02 +#define ENA_TBUS_ERR 0x01 + +#define ENA_PKT_RDY 0x80 +#define ENA_BUS_ERR 0x40 +#define ENA_LEN_ERR 0x08 +#define ENA_ALG_ERR 0x04 +#define ENA_CRC_ERR 0x02 +#define ENA_OVR_FLO 0x01 + +/* flags */ +#define F_TMT_RDY 0x80 /* can accept new packet */ +#define F_NET_BSY 0x40 /* carrier is detected */ +#define F_TMT_OK 0x20 /* send packet successfully */ +#define F_SRT_PKT 0x10 /* short packet error */ +#define F_COL_ERR 0x04 /* collision error */ +#define F_16_COL 0x02 /* 16 collision error */ +#define F_TBUS_ERR 0x01 /* bus read error */ + +#define F_PKT_RDY 0x80 /* packet(s) in buffer */ +#define F_BUS_ERR 0x40 /* bus read error */ +#define F_LEN_ERR 0x08 /* short packet */ +#define F_ALG_ERR 0x04 /* frame error */ +#define F_CRC_ERR 0x02 /* CRC error */ +#define F_OVR_FLO 0x01 /* overflow error */ + +#define F_BUF_EMP 0x40 /* receive buffer is empty */ + +#define F_SKP_PKT 0x05 /* drop packet in buffer */ + +/* default bitmaps */ +#define D_TX_INTR ( ENA_TMT_OK ) +#define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \ + | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO ) +#define TX_STAT_M ( F_TMT_RDY ) +#define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \ + | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO ) + +/* commands */ +#define D_TX_MODE 0x06 /* no tests, detect carrier */ +#define ID_MATCHED 0x02 /* (RX_MODE) */ +#define RECV_ALL 0x03 /* (RX_MODE) */ +#define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */ +#define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */ +#define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */ +#define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */ +#define BANK_0 0xa0 /* bank 0 (CONFIG_1) */ +#define BANK_1 0xa4 /* bank 1 (CONFIG_1) */ +#define BANK_2 0xa8 /* bank 2 (CONFIG_1) */ +#define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */ +#define DO_TX 0x80 /* do transmit packet */ +#define SEND_PKT 0x81 /* send a packet */ +#define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */ +#define MANU_MODE 0x03 /* Stop and skip packet on 16 col */ +#define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */ +#define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */ +#define INTR_OFF 0x0d /* LAN controller ignores interrupts */ +#define INTR_ON 0x1d /* LAN controller will catch interrupts */ + +#define TX_TIMEOUT ((400*HZ)/1000) + +#define BANK_0U 0x20 /* bank 0 (CONFIG_1) */ +#define BANK_1U 0x24 /* bank 1 (CONFIG_1) */ +#define BANK_2U 0x28 /* bank 2 (CONFIG_1) */ + +static const struct net_device_ops fjn_netdev_ops = { + .ndo_open = fjn_open, + .ndo_stop = fjn_close, + .ndo_start_xmit = fjn_start_xmit, + .ndo_tx_timeout = fjn_tx_timeout, + .ndo_set_config = fjn_config, + .ndo_set_multicast_list = set_rx_mode, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +static int fmvj18x_probe(struct pcmcia_device *link) +{ + local_info_t *lp; + struct net_device *dev; + + dev_dbg(&link->dev, "fmvj18x_attach()\n"); + + /* Make up a FMVJ18x specific data structure */ + dev = alloc_etherdev(sizeof(local_info_t)); + if (!dev) + return -ENOMEM; + lp = netdev_priv(dev); + link->priv = dev; + lp->p_dev = link; + lp->base = NULL; + + /* The io structure describes IO port mapping */ + link->resource[0]->end = 32; + link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + + /* General socket configuration */ + link->config_flags |= CONF_ENABLE_IRQ; + + dev->netdev_ops = &fjn_netdev_ops; + dev->watchdog_timeo = TX_TIMEOUT; + + SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); + + return fmvj18x_config(link); +} /* fmvj18x_attach */ + +/*====================================================================*/ + +static void fmvj18x_detach(struct pcmcia_device *link) +{ + struct net_device *dev = link->priv; + + dev_dbg(&link->dev, "fmvj18x_detach\n"); + + unregister_netdev(dev); + + fmvj18x_release(link); + + free_netdev(dev); +} /* fmvj18x_detach */ + +/*====================================================================*/ + +static int mfc_try_io_port(struct pcmcia_device *link) +{ + int i, ret; + static const unsigned int serial_base[5] = + { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; + + for (i = 0; i < 5; i++) { + link->resource[1]->start = serial_base[i]; + link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; + if (link->resource[1]->start == 0) { + link->resource[1]->end = 0; + pr_notice("out of resource for serial\n"); + } + ret = pcmcia_request_io(link); + if (ret == 0) + return ret; + } + return ret; +} + +static int ungermann_try_io_port(struct pcmcia_device *link) +{ + int ret; + unsigned int ioaddr; + /* + Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360 + 0x380,0x3c0 only for ioport. + */ + for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) { + link->resource[0]->start = ioaddr; + ret = pcmcia_request_io(link); + if (ret == 0) { + /* calculate ConfigIndex value */ + link->config_index = + ((link->resource[0]->start & 0x0f0) >> 3) | 0x22; + return ret; + } + } + return ret; /* RequestIO failed */ +} + +static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data) +{ + return 0; /* strange, but that's what the code did already before... */ +} + +static int fmvj18x_config(struct pcmcia_device *link) +{ + struct net_device *dev = link->priv; + local_info_t *lp = netdev_priv(dev); + int i, ret; + unsigned int ioaddr; + cardtype_t cardtype; + char *card_name = "unknown"; + u8 *buf; + size_t len; + u_char buggybuf[32]; + + dev_dbg(&link->dev, "fmvj18x_config\n"); + + link->io_lines = 5; + + len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); + kfree(buf); + + if (len) { + /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */ + ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL); + if (ret != 0) + goto failed; + + switch (link->manf_id) { + case MANFID_TDK: + cardtype = TDK; + if (link->card_id == PRODID_TDK_GN3410 || + link->card_id == PRODID_TDK_NP9610 || + link->card_id == PRODID_TDK_MN3200) { + /* MultiFunction Card */ + link->config_base = 0x800; + link->config_index = 0x47; + link->resource[1]->end = 8; + } + break; + case MANFID_NEC: + cardtype = NEC; /* MultiFunction Card */ + link->config_base = 0x800; + link->config_index = 0x47; + link->resource[1]->end = 8; + break; + case MANFID_KME: + cardtype = KME; /* MultiFunction Card */ + link->config_base = 0x800; + link->config_index = 0x47; + link->resource[1]->end = 8; + break; + case MANFID_CONTEC: + cardtype = CONTEC; + break; + case MANFID_FUJITSU: + if (link->config_base == 0x0fe0) + cardtype = MBH10302; + else if (link->card_id == PRODID_FUJITSU_MBH10302) + /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), + but these are MBH10304 based card. */ + cardtype = MBH10304; + else if (link->card_id == PRODID_FUJITSU_MBH10304) + cardtype = MBH10304; + else + cardtype = LA501; + break; + default: + cardtype = MBH10304; + } + } else { + /* old type card */ + switch (link->manf_id) { + case MANFID_FUJITSU: + if (link->card_id == PRODID_FUJITSU_MBH10304) { + cardtype = XXX10304; /* MBH10304 with buggy CIS */ + link->config_index = 0x20; + } else { + cardtype = MBH10302; /* NextCom NC5310, etc. */ + link->config_index = 1; + } + break; + case MANFID_UNGERMANN: + cardtype = UNGERMANN; + break; + default: + cardtype = MBH10302; + link->config_index = 1; + } + } + + if (link->resource[1]->end != 0) { + ret = mfc_try_io_port(link); + if (ret != 0) goto failed; + } else if (cardtype == UNGERMANN) { + ret = ungermann_try_io_port(link); + if (ret != 0) goto failed; + } else { + ret = pcmcia_request_io(link); + if (ret) + goto failed; + } + ret = pcmcia_request_irq(link, fjn_interrupt); + if (ret) + goto failed; + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + dev->irq = link->irq; + dev->base_addr = link->resource[0]->start; + + if (resource_size(link->resource[1]) != 0) { + ret = fmvj18x_setup_mfc(link); + if (ret != 0) goto failed; + } + + ioaddr = dev->base_addr; + + /* Reset controller */ + if (sram_config == 0) + outb(CONFIG0_RST, ioaddr + CONFIG_0); + else + outb(CONFIG0_RST_1, ioaddr + CONFIG_0); + + /* Power On chip and select bank 0 */ + if (cardtype == MBH10302) + outb(BANK_0, ioaddr + CONFIG_1); + else + outb(BANK_0U, ioaddr + CONFIG_1); + + /* Set hardware address */ + switch (cardtype) { + case MBH10304: + case TDK: + case LA501: + case CONTEC: + case NEC: + case KME: + if (cardtype == MBH10304) { + card_name = "FMV-J182"; + + len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); + if (len < 11) { + kfree(buf); + goto failed; + } + /* Read MACID from CIS */ + for (i = 5; i < 11; i++) + dev->dev_addr[i] = buf[i]; + kfree(buf); + } else { + if (pcmcia_get_mac_from_cis(link, dev)) + goto failed; + if( cardtype == TDK ) { + card_name = "TDK LAK-CD021"; + } else if( cardtype == LA501 ) { + card_name = "LA501"; + } else if( cardtype == NEC ) { + card_name = "PK-UG-J001"; + } else if( cardtype == KME ) { + card_name = "Panasonic"; + } else { + card_name = "C-NET(PC)C"; + } + } + break; + case UNGERMANN: + /* Read MACID from register */ + for (i = 0; i < 6; i++) + dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i); + card_name = "Access/CARD"; + break; + case XXX10304: + /* Read MACID from Buggy CIS */ + if (fmvj18x_get_hwinfo(link, buggybuf) == -1) { + pr_notice("unable to read hardware net address\n"); + goto failed; + } + for (i = 0 ; i < 6; i++) { + dev->dev_addr[i] = buggybuf[i]; + } + card_name = "FMV-J182"; + break; + case MBH10302: + default: + /* Read MACID from register */ + for (i = 0; i < 6; i++) + dev->dev_addr[i] = inb(ioaddr + MAC_ID + i); + card_name = "FMV-J181"; + break; + } + + lp->cardtype = cardtype; + SET_NETDEV_DEV(dev, &link->dev); + + if (register_netdev(dev) != 0) { + pr_notice("register_netdev() failed\n"); + goto failed; + } + + /* print current configuration */ + netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n", + card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2", + dev->base_addr, dev->irq, dev->dev_addr); + + return 0; + +failed: + fmvj18x_release(link); + return -ENODEV; +} /* fmvj18x_config */ +/*====================================================================*/ + +static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id) +{ + u_char __iomem *base; + int i, j; + + /* Allocate a small memory window */ + link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; + link->resource[2]->start = 0; link->resource[2]->end = 0; + i = pcmcia_request_window(link, link->resource[2], 0); + if (i != 0) + return -1; + + base = ioremap(link->resource[2]->start, resource_size(link->resource[2])); + pcmcia_map_mem_page(link, link->resource[2], 0); + + /* + * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format + * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff + * 'xx' is garbage. + * 'yy' is MAC address. + */ + for (i = 0; i < 0x200; i++) { + if (readb(base+i*2) == 0x22) { + if (readb(base+(i-1)*2) == 0xff && + readb(base+(i+5)*2) == 0x04 && + readb(base+(i+6)*2) == 0x06 && + readb(base+(i+13)*2) == 0xff) + break; + } + } + + if (i != 0x200) { + for (j = 0 ; j < 6; j++,i++) { + node_id[j] = readb(base+(i+7)*2); + } + } + + iounmap(base); + j = pcmcia_release_window(link, link->resource[2]); + return (i != 0x200) ? 0 : -1; + +} /* fmvj18x_get_hwinfo */ +/*====================================================================*/ + +static int fmvj18x_setup_mfc(struct pcmcia_device *link) +{ + int i; + struct net_device *dev = link->priv; + unsigned int ioaddr; + local_info_t *lp = netdev_priv(dev); + + /* Allocate a small memory window */ + link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; + link->resource[3]->start = link->resource[3]->end = 0; + i = pcmcia_request_window(link, link->resource[3], 0); + if (i != 0) + return -1; + + lp->base = ioremap(link->resource[3]->start, + resource_size(link->resource[3])); + if (lp->base == NULL) { + netdev_notice(dev, "ioremap failed\n"); + return -1; + } + + i = pcmcia_map_mem_page(link, link->resource[3], 0); + if (i != 0) { + iounmap(lp->base); + lp->base = NULL; + return -1; + } + + ioaddr = dev->base_addr; + writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */ + writeb(0x0, lp->base+0x802); /* Config and Status Register */ + + writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */ + writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */ + + writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */ + writeb(0x8, lp->base+0x822); /* Config and Status Register */ + + return 0; + +} +/*====================================================================*/ + +static void fmvj18x_release(struct pcmcia_device *link) +{ + + struct net_device *dev = link->priv; + local_info_t *lp = netdev_priv(dev); + u_char __iomem *tmp; + + dev_dbg(&link->dev, "fmvj18x_release\n"); + + if (lp->base != NULL) { + tmp = lp->base; + lp->base = NULL; /* set NULL before iounmap */ + iounmap(tmp); + } + + pcmcia_disable_device(link); + +} + +static int fmvj18x_suspend(struct pcmcia_device *link) +{ + struct net_device *dev = link->priv; + + if (link->open) + netif_device_detach(dev); + + return 0; +} + +static int fmvj18x_resume(struct pcmcia_device *link) +{ + struct net_device *dev = link->priv; + + if (link->open) { + fjn_reset(dev); + netif_device_attach(dev); + } + + return 0; +} + +/*====================================================================*/ + +static const struct pcmcia_device_id fmvj18x_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004), + PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59), + PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922), + PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922), + PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db), + PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e), + PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2), + PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4), + PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6), + PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6), + PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666), + PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70), + PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a), + PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2), + PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454), + PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da), + PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080), + PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed), + PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids); + +static struct pcmcia_driver fmvj18x_cs_driver = { + .owner = THIS_MODULE, + .name = "fmvj18x_cs", + .probe = fmvj18x_probe, + .remove = fmvj18x_detach, + .id_table = fmvj18x_ids, + .suspend = fmvj18x_suspend, + .resume = fmvj18x_resume, +}; + +static int __init init_fmvj18x_cs(void) +{ + return pcmcia_register_driver(&fmvj18x_cs_driver); +} + +static void __exit exit_fmvj18x_cs(void) +{ + pcmcia_unregister_driver(&fmvj18x_cs_driver); +} + +module_init(init_fmvj18x_cs); +module_exit(exit_fmvj18x_cs); + +/*====================================================================*/ + +static irqreturn_t fjn_interrupt(int dummy, void *dev_id) +{ + struct net_device *dev = dev_id; + local_info_t *lp = netdev_priv(dev); + unsigned int ioaddr; + unsigned short tx_stat, rx_stat; + + ioaddr = dev->base_addr; + + /* avoid multiple interrupts */ + outw(0x0000, ioaddr + TX_INTR); + + /* wait for a while */ + udelay(1); + + /* get status */ + tx_stat = inb(ioaddr + TX_STATUS); + rx_stat = inb(ioaddr + RX_STATUS); + + /* clear status */ + outb(tx_stat, ioaddr + TX_STATUS); + outb(rx_stat, ioaddr + RX_STATUS); + + pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat); + pr_debug(" tx_status %02x.\n", tx_stat); + + if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { + /* there is packet(s) in rx buffer */ + fjn_rx(dev); + } + if (tx_stat & F_TMT_RDY) { + dev->stats.tx_packets += lp->sent ; + lp->sent = 0 ; + if (lp->tx_queue) { + outb(DO_TX | lp->tx_queue, ioaddr + TX_START); + lp->sent = lp->tx_queue ; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + dev->trans_start = jiffies; + } else { + lp->tx_started = 0; + } + netif_wake_queue(dev); + } + pr_debug("%s: exiting interrupt,\n", dev->name); + pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat); + + outb(D_TX_INTR, ioaddr + TX_INTR); + outb(D_RX_INTR, ioaddr + RX_INTR); + + if (lp->base != NULL) { + /* Ack interrupt for multifunction card */ + writeb(0x01, lp->base+0x802); + writeb(0x09, lp->base+0x822); + } + + return IRQ_HANDLED; + +} /* fjn_interrupt */ + +/*====================================================================*/ + +static void fjn_tx_timeout(struct net_device *dev) +{ + struct local_info_t *lp = netdev_priv(dev); + unsigned int ioaddr = dev->base_addr; + + netdev_notice(dev, "transmit timed out with status %04x, %s?\n", + htons(inw(ioaddr + TX_STATUS)), + inb(ioaddr + TX_STATUS) & F_TMT_RDY + ? "IRQ conflict" : "network cable problem"); + netdev_notice(dev, "timeout registers: %04x %04x %04x " + "%04x %04x %04x %04x %04x.\n", + htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)), + htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)), + htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)), + htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14))); + dev->stats.tx_errors++; + /* ToDo: We should try to restart the adaptor... */ + local_irq_disable(); + fjn_reset(dev); + + lp->tx_started = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->sent = 0; + lp->open_time = jiffies; + local_irq_enable(); + netif_wake_queue(dev); +} + +static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct local_info_t *lp = netdev_priv(dev); + unsigned int ioaddr = dev->base_addr; + short length = skb->len; + + if (length < ETH_ZLEN) + { + if (skb_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + length = ETH_ZLEN; + } + + netif_stop_queue(dev); + + { + unsigned char *buf = skb->data; + + if (length > ETH_FRAME_LEN) { + netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n", + length); + return NETDEV_TX_BUSY; + } + + netdev_dbg(dev, "Transmitting a packet of length %lu\n", + (unsigned long)skb->len); + dev->stats.tx_bytes += skb->len; + + /* Disable both interrupts. */ + outw(0x0000, ioaddr + TX_INTR); + + /* wait for a while */ + udelay(1); + + outw(length, ioaddr + DATAPORT); + outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); + + lp->tx_queue++; + lp->tx_queue_len += ((length+3) & ~1); + + if (lp->tx_started == 0) { + /* If the Tx is idle, always trigger a transmit. */ + outb(DO_TX | lp->tx_queue, ioaddr + TX_START); + lp->sent = lp->tx_queue ; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->tx_started = 1; + netif_start_queue(dev); + } else { + if( sram_config == 0 ) { + if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) ) + /* Yes, there is room for one more packet. */ + netif_start_queue(dev); + } else { + if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) && + lp->tx_queue < 127 ) + /* Yes, there is room for one more packet. */ + netif_start_queue(dev); + } + } + + /* Re-enable interrupts */ + outb(D_TX_INTR, ioaddr + TX_INTR); + outb(D_RX_INTR, ioaddr + RX_INTR); + } + dev_kfree_skb (skb); + + return NETDEV_TX_OK; +} /* fjn_start_xmit */ + +/*====================================================================*/ + +static void fjn_reset(struct net_device *dev) +{ + struct local_info_t *lp = netdev_priv(dev); + unsigned int ioaddr = dev->base_addr; + int i; + + netdev_dbg(dev, "fjn_reset() called\n"); + + /* Reset controller */ + if( sram_config == 0 ) + outb(CONFIG0_RST, ioaddr + CONFIG_0); + else + outb(CONFIG0_RST_1, ioaddr + CONFIG_0); + + /* Power On chip and select bank 0 */ + if (lp->cardtype == MBH10302) + outb(BANK_0, ioaddr + CONFIG_1); + else + outb(BANK_0U, ioaddr + CONFIG_1); + + /* Set Tx modes */ + outb(D_TX_MODE, ioaddr + TX_MODE); + /* set Rx modes */ + outb(ID_MATCHED, ioaddr + RX_MODE); + + /* Set hardware address */ + for (i = 0; i < 6; i++) + outb(dev->dev_addr[i], ioaddr + NODE_ID + i); + + /* (re)initialize the multicast table */ + set_rx_mode(dev); + + /* Switch to bank 2 (runtime mode) */ + if (lp->cardtype == MBH10302) + outb(BANK_2, ioaddr + CONFIG_1); + else + outb(BANK_2U, ioaddr + CONFIG_1); + + /* set 16col ctrl bits */ + if( lp->cardtype == TDK || lp->cardtype == CONTEC) + outb(TDK_AUTO_MODE, ioaddr + COL_CTRL); + else + outb(AUTO_MODE, ioaddr + COL_CTRL); + + /* clear Reserved Regs */ + outb(0x00, ioaddr + BMPR12); + outb(0x00, ioaddr + BMPR13); + + /* reset Skip packet reg. */ + outb(0x01, ioaddr + RX_SKIP); + + /* Enable Tx and Rx */ + if( sram_config == 0 ) + outb(CONFIG0_DFL, ioaddr + CONFIG_0); + else + outb(CONFIG0_DFL_1, ioaddr + CONFIG_0); + + /* Init receive pointer ? */ + inw(ioaddr + DATAPORT); + inw(ioaddr + DATAPORT); + + /* Clear all status */ + outb(0xff, ioaddr + TX_STATUS); + outb(0xff, ioaddr + RX_STATUS); + + if (lp->cardtype == MBH10302) + outb(INTR_OFF, ioaddr + LAN_CTRL); + + /* Turn on Rx interrupts */ + outb(D_TX_INTR, ioaddr + TX_INTR); + outb(D_RX_INTR, ioaddr + RX_INTR); + + /* Turn on interrupts from LAN card controller */ + if (lp->cardtype == MBH10302) + outb(INTR_ON, ioaddr + LAN_CTRL); +} /* fjn_reset */ + +/*====================================================================*/ + +static void fjn_rx(struct net_device *dev) +{ + unsigned int ioaddr = dev->base_addr; + int boguscount = 10; /* 5 -> 10: by agy 19940922 */ + + pr_debug("%s: in rx_packet(), rx_status %02x.\n", + dev->name, inb(ioaddr + RX_STATUS)); + + while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { + u_short status = inw(ioaddr + DATAPORT); + + netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n", + inb(ioaddr + RX_MODE), status); +#ifndef final_version + if (status == 0) { + outb(F_SKP_PKT, ioaddr + RX_SKIP); + break; + } +#endif + if ((status & 0xF0) != 0x20) { /* There was an error. */ + dev->stats.rx_errors++; + if (status & F_LEN_ERR) dev->stats.rx_length_errors++; + if (status & F_ALG_ERR) dev->stats.rx_frame_errors++; + if (status & F_CRC_ERR) dev->stats.rx_crc_errors++; + if (status & F_OVR_FLO) dev->stats.rx_over_errors++; + } else { + u_short pkt_len = inw(ioaddr + DATAPORT); + /* Malloc up new buffer. */ + struct sk_buff *skb; + + if (pkt_len > 1550) { + netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n", + pkt_len); + outb(F_SKP_PKT, ioaddr + RX_SKIP); + dev->stats.rx_errors++; + break; + } + skb = dev_alloc_skb(pkt_len+2); + if (skb == NULL) { + netdev_notice(dev, "Memory squeeze, dropping packet (len %d)\n", + pkt_len); + outb(F_SKP_PKT, ioaddr + RX_SKIP); + dev->stats.rx_dropped++; + break; + } + + skb_reserve(skb, 2); + insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), + (pkt_len + 1) >> 1); + skb->protocol = eth_type_trans(skb, dev); + + { + int i; + pr_debug("%s: Rxed packet of length %d: ", + dev->name, pkt_len); + for (i = 0; i < 14; i++) + pr_debug(" %02x", skb->data[i]); + pr_debug(".\n"); + } + + netif_rx(skb); + dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; + } + if (--boguscount <= 0) + break; + } + + /* If any worth-while packets have been received, dev_rint() + has done a netif_wake_queue() for us and will work on them + when we get to the bottom-half routine. */ +/* + if (lp->cardtype != TDK) { + int i; + for (i = 0; i < 20; i++) { + if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP) + break; + (void)inw(ioaddr + DATAPORT); /+ dummy status read +/ + outb(F_SKP_PKT, ioaddr + RX_SKIP); + } + + if (i > 0) + pr_debug("%s: Exint Rx packet with mode %02x after " + "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i); + } +*/ +} /* fjn_rx */ + +/*====================================================================*/ + +static void netdev_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); +} + +static const struct ethtool_ops netdev_ethtool_ops = { + .get_drvinfo = netdev_get_drvinfo, +}; + +static int fjn_config(struct net_device *dev, struct ifmap *map){ + return 0; +} + +static int fjn_open(struct net_device *dev) +{ + struct local_info_t *lp = netdev_priv(dev); + struct pcmcia_device *link = lp->p_dev; + + pr_debug("fjn_open('%s').\n", dev->name); + + if (!pcmcia_dev_present(link)) + return -ENODEV; + + link->open++; + + fjn_reset(dev); + + lp->tx_started = 0; + lp->tx_queue = 0; + lp->tx_queue_len = 0; + lp->open_time = jiffies; + netif_start_queue(dev); + + return 0; +} /* fjn_open */ + +/*====================================================================*/ + +static int fjn_close(struct net_device *dev) +{ + struct local_info_t *lp = netdev_priv(dev); + struct pcmcia_device *link = lp->p_dev; + unsigned int ioaddr = dev->base_addr; + + pr_debug("fjn_close('%s').\n", dev->name); + + lp->open_time = 0; + netif_stop_queue(dev); + + /* Set configuration register 0 to disable Tx and Rx. */ + if( sram_config == 0 ) + outb(CONFIG0_RST ,ioaddr + CONFIG_0); + else + outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0); + + /* Update the statistics -- ToDo. */ + + /* Power-down the chip. Green, green, green! */ + outb(CHIP_OFF ,ioaddr + CONFIG_1); + + /* Set the ethernet adaptor disable IRQ */ + if (lp->cardtype == MBH10302) + outb(INTR_OFF, ioaddr + LAN_CTRL); + + link->open--; + + return 0; +} /* fjn_close */ + +/*====================================================================*/ + +/* + Set the multicast/promiscuous mode for this adaptor. +*/ + +static void set_rx_mode(struct net_device *dev) +{ + unsigned int ioaddr = dev->base_addr; + u_char mc_filter[8]; /* Multicast hash filter */ + u_long flags; + int i; + + int saved_bank; + int saved_config_0 = inb(ioaddr + CONFIG_0); + + local_irq_save(flags); + + /* Disable Tx and Rx */ + if (sram_config == 0) + outb(CONFIG0_RST, ioaddr + CONFIG_0); + else + outb(CONFIG0_RST_1, ioaddr + CONFIG_0); + + if (dev->flags & IFF_PROMISC) { + memset(mc_filter, 0xff, sizeof(mc_filter)); + outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ + } else if (netdev_mc_count(dev) > MC_FILTERBREAK || + (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + memset(mc_filter, 0xff, sizeof(mc_filter)); + outb(2, ioaddr + RX_MODE); /* Use normal mode. */ + } else if (netdev_mc_empty(dev)) { + memset(mc_filter, 0x00, sizeof(mc_filter)); + outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ + } else { + struct netdev_hw_addr *ha; + + memset(mc_filter, 0, sizeof(mc_filter)); + netdev_for_each_mc_addr(ha, dev) { + unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26; + mc_filter[bit >> 3] |= (1 << (bit & 7)); + } + outb(2, ioaddr + RX_MODE); /* Use normal mode. */ + } + + /* Switch to bank 1 and set the multicast table. */ + saved_bank = inb(ioaddr + CONFIG_1); + outb(0xe4, ioaddr + CONFIG_1); + + for (i = 0; i < 8; i++) + outb(mc_filter[i], ioaddr + MAR_ADR + i); + outb(saved_bank, ioaddr + CONFIG_1); + + outb(saved_config_0, ioaddr + CONFIG_0); + + local_irq_restore(flags); +} diff --git a/drivers/net/pcmcia/Kconfig b/drivers/net/pcmcia/Kconfig index f5a738f..80d291e 100644 --- a/drivers/net/pcmcia/Kconfig +++ b/drivers/net/pcmcia/Kconfig @@ -21,16 +21,6 @@ menuconfig NET_PCMCIA if NET_PCMCIA && PCMCIA -config PCMCIA_FMVJ18X - tristate "Fujitsu FMV-J18x PCMCIA support" - select CRC32 - help - Say Y here if you intend to attach a Fujitsu FMV-J18x or compatible - PCMCIA (PC-card) Ethernet card to your computer. - - To compile this driver as a module, choose M here: the module will be - called fmvj18x_cs. If unsure, say N. - config PCMCIA_XIRC2PS tristate "Xircom 16-bit PCMCIA support" help diff --git a/drivers/net/pcmcia/Makefile b/drivers/net/pcmcia/Makefile index f9c9883..ccf5535 100644 --- a/drivers/net/pcmcia/Makefile +++ b/drivers/net/pcmcia/Makefile @@ -3,7 +3,6 @@ # # 16-bit client drivers -obj-$(CONFIG_PCMCIA_FMVJ18X) += fmvj18x_cs.o obj-$(CONFIG_PCMCIA_XIRC2PS) += xirc2ps_cs.o obj-$(CONFIG_ARCNET_COM20020_CS)+= com20020_cs.o diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c deleted file mode 100644 index 723815e..0000000 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ /dev/null @@ -1,1187 +0,0 @@ -/*====================================================================== - fmvj18x_cs.c 2.8 2002/03/23 - - A fmvj18x (and its compatibles) PCMCIA client driver - - Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp - - TDK LAK-CD021 and CONTEC C-NET(PC)C support added by - Nobuhiro Katayama, kata-n@po.iijnet.or.jp - - The PCMCIA client code is based on code written by David Hinds. - Network code is based on the "FMV-18x driver" by Yutaka TAMIYA - but is actually largely Donald Becker's AT1700 driver, which - carries the following attribution: - - Written 1993-94 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - -======================================================================*/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#define DRV_NAME "fmvj18x_cs" -#define DRV_VERSION "2.9" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include - -/*====================================================================*/ - -/* Module parameters */ - -MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver"); -MODULE_LICENSE("GPL"); - -#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) - -/* SRAM configuration */ -/* 0:4KB*2 TX buffer else:8KB*2 TX buffer */ -INT_MODULE_PARM(sram_config, 0); - - -/*====================================================================*/ -/* - PCMCIA event handlers - */ -static int fmvj18x_config(struct pcmcia_device *link); -static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id); -static int fmvj18x_setup_mfc(struct pcmcia_device *link); -static void fmvj18x_release(struct pcmcia_device *link); -static void fmvj18x_detach(struct pcmcia_device *p_dev); - -/* - LAN controller(MBH86960A) specific routines - */ -static int fjn_config(struct net_device *dev, struct ifmap *map); -static int fjn_open(struct net_device *dev); -static int fjn_close(struct net_device *dev); -static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, - struct net_device *dev); -static irqreturn_t fjn_interrupt(int irq, void *dev_id); -static void fjn_rx(struct net_device *dev); -static void fjn_reset(struct net_device *dev); -static void set_rx_mode(struct net_device *dev); -static void fjn_tx_timeout(struct net_device *dev); -static const struct ethtool_ops netdev_ethtool_ops; - -/* - card type - */ -typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN, - XXX10304, NEC, KME -} cardtype_t; - -/* - driver specific data structure -*/ -typedef struct local_info_t { - struct pcmcia_device *p_dev; - long open_time; - uint tx_started:1; - uint tx_queue; - u_short tx_queue_len; - cardtype_t cardtype; - u_short sent; - u_char __iomem *base; -} local_info_t; - -#define MC_FILTERBREAK 64 - -/*====================================================================*/ -/* - ioport offset from the base address - */ -#define TX_STATUS 0 /* transmit status register */ -#define RX_STATUS 1 /* receive status register */ -#define TX_INTR 2 /* transmit interrupt mask register */ -#define RX_INTR 3 /* receive interrupt mask register */ -#define TX_MODE 4 /* transmit mode register */ -#define RX_MODE 5 /* receive mode register */ -#define CONFIG_0 6 /* configuration register 0 */ -#define CONFIG_1 7 /* configuration register 1 */ - -#define NODE_ID 8 /* node ID register (bank 0) */ -#define MAR_ADR 8 /* multicast address registers (bank 1) */ - -#define DATAPORT 8 /* buffer mem port registers (bank 2) */ -#define TX_START 10 /* transmit start register */ -#define COL_CTRL 11 /* 16 collision control register */ -#define BMPR12 12 /* reserved */ -#define BMPR13 13 /* reserved */ -#define RX_SKIP 14 /* skip received packet register */ - -#define LAN_CTRL 16 /* LAN card control register */ - -#define MAC_ID 0x1a /* hardware address */ -#define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */ - -/* - control bits - */ -#define ENA_TMT_OK 0x80 -#define ENA_TMT_REC 0x20 -#define ENA_COL 0x04 -#define ENA_16_COL 0x02 -#define ENA_TBUS_ERR 0x01 - -#define ENA_PKT_RDY 0x80 -#define ENA_BUS_ERR 0x40 -#define ENA_LEN_ERR 0x08 -#define ENA_ALG_ERR 0x04 -#define ENA_CRC_ERR 0x02 -#define ENA_OVR_FLO 0x01 - -/* flags */ -#define F_TMT_RDY 0x80 /* can accept new packet */ -#define F_NET_BSY 0x40 /* carrier is detected */ -#define F_TMT_OK 0x20 /* send packet successfully */ -#define F_SRT_PKT 0x10 /* short packet error */ -#define F_COL_ERR 0x04 /* collision error */ -#define F_16_COL 0x02 /* 16 collision error */ -#define F_TBUS_ERR 0x01 /* bus read error */ - -#define F_PKT_RDY 0x80 /* packet(s) in buffer */ -#define F_BUS_ERR 0x40 /* bus read error */ -#define F_LEN_ERR 0x08 /* short packet */ -#define F_ALG_ERR 0x04 /* frame error */ -#define F_CRC_ERR 0x02 /* CRC error */ -#define F_OVR_FLO 0x01 /* overflow error */ - -#define F_BUF_EMP 0x40 /* receive buffer is empty */ - -#define F_SKP_PKT 0x05 /* drop packet in buffer */ - -/* default bitmaps */ -#define D_TX_INTR ( ENA_TMT_OK ) -#define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \ - | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO ) -#define TX_STAT_M ( F_TMT_RDY ) -#define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \ - | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO ) - -/* commands */ -#define D_TX_MODE 0x06 /* no tests, detect carrier */ -#define ID_MATCHED 0x02 /* (RX_MODE) */ -#define RECV_ALL 0x03 /* (RX_MODE) */ -#define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */ -#define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */ -#define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */ -#define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */ -#define BANK_0 0xa0 /* bank 0 (CONFIG_1) */ -#define BANK_1 0xa4 /* bank 1 (CONFIG_1) */ -#define BANK_2 0xa8 /* bank 2 (CONFIG_1) */ -#define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */ -#define DO_TX 0x80 /* do transmit packet */ -#define SEND_PKT 0x81 /* send a packet */ -#define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */ -#define MANU_MODE 0x03 /* Stop and skip packet on 16 col */ -#define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */ -#define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */ -#define INTR_OFF 0x0d /* LAN controller ignores interrupts */ -#define INTR_ON 0x1d /* LAN controller will catch interrupts */ - -#define TX_TIMEOUT ((400*HZ)/1000) - -#define BANK_0U 0x20 /* bank 0 (CONFIG_1) */ -#define BANK_1U 0x24 /* bank 1 (CONFIG_1) */ -#define BANK_2U 0x28 /* bank 2 (CONFIG_1) */ - -static const struct net_device_ops fjn_netdev_ops = { - .ndo_open = fjn_open, - .ndo_stop = fjn_close, - .ndo_start_xmit = fjn_start_xmit, - .ndo_tx_timeout = fjn_tx_timeout, - .ndo_set_config = fjn_config, - .ndo_set_multicast_list = set_rx_mode, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int fmvj18x_probe(struct pcmcia_device *link) -{ - local_info_t *lp; - struct net_device *dev; - - dev_dbg(&link->dev, "fmvj18x_attach()\n"); - - /* Make up a FMVJ18x specific data structure */ - dev = alloc_etherdev(sizeof(local_info_t)); - if (!dev) - return -ENOMEM; - lp = netdev_priv(dev); - link->priv = dev; - lp->p_dev = link; - lp->base = NULL; - - /* The io structure describes IO port mapping */ - link->resource[0]->end = 32; - link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; - - /* General socket configuration */ - link->config_flags |= CONF_ENABLE_IRQ; - - dev->netdev_ops = &fjn_netdev_ops; - dev->watchdog_timeo = TX_TIMEOUT; - - SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - - return fmvj18x_config(link); -} /* fmvj18x_attach */ - -/*====================================================================*/ - -static void fmvj18x_detach(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - dev_dbg(&link->dev, "fmvj18x_detach\n"); - - unregister_netdev(dev); - - fmvj18x_release(link); - - free_netdev(dev); -} /* fmvj18x_detach */ - -/*====================================================================*/ - -static int mfc_try_io_port(struct pcmcia_device *link) -{ - int i, ret; - static const unsigned int serial_base[5] = - { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; - - for (i = 0; i < 5; i++) { - link->resource[1]->start = serial_base[i]; - link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; - if (link->resource[1]->start == 0) { - link->resource[1]->end = 0; - pr_notice("out of resource for serial\n"); - } - ret = pcmcia_request_io(link); - if (ret == 0) - return ret; - } - return ret; -} - -static int ungermann_try_io_port(struct pcmcia_device *link) -{ - int ret; - unsigned int ioaddr; - /* - Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360 - 0x380,0x3c0 only for ioport. - */ - for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) { - link->resource[0]->start = ioaddr; - ret = pcmcia_request_io(link); - if (ret == 0) { - /* calculate ConfigIndex value */ - link->config_index = - ((link->resource[0]->start & 0x0f0) >> 3) | 0x22; - return ret; - } - } - return ret; /* RequestIO failed */ -} - -static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data) -{ - return 0; /* strange, but that's what the code did already before... */ -} - -static int fmvj18x_config(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - local_info_t *lp = netdev_priv(dev); - int i, ret; - unsigned int ioaddr; - cardtype_t cardtype; - char *card_name = "unknown"; - u8 *buf; - size_t len; - u_char buggybuf[32]; - - dev_dbg(&link->dev, "fmvj18x_config\n"); - - link->io_lines = 5; - - len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); - kfree(buf); - - if (len) { - /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */ - ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL); - if (ret != 0) - goto failed; - - switch (link->manf_id) { - case MANFID_TDK: - cardtype = TDK; - if (link->card_id == PRODID_TDK_GN3410 || - link->card_id == PRODID_TDK_NP9610 || - link->card_id == PRODID_TDK_MN3200) { - /* MultiFunction Card */ - link->config_base = 0x800; - link->config_index = 0x47; - link->resource[1]->end = 8; - } - break; - case MANFID_NEC: - cardtype = NEC; /* MultiFunction Card */ - link->config_base = 0x800; - link->config_index = 0x47; - link->resource[1]->end = 8; - break; - case MANFID_KME: - cardtype = KME; /* MultiFunction Card */ - link->config_base = 0x800; - link->config_index = 0x47; - link->resource[1]->end = 8; - break; - case MANFID_CONTEC: - cardtype = CONTEC; - break; - case MANFID_FUJITSU: - if (link->config_base == 0x0fe0) - cardtype = MBH10302; - else if (link->card_id == PRODID_FUJITSU_MBH10302) - /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), - but these are MBH10304 based card. */ - cardtype = MBH10304; - else if (link->card_id == PRODID_FUJITSU_MBH10304) - cardtype = MBH10304; - else - cardtype = LA501; - break; - default: - cardtype = MBH10304; - } - } else { - /* old type card */ - switch (link->manf_id) { - case MANFID_FUJITSU: - if (link->card_id == PRODID_FUJITSU_MBH10304) { - cardtype = XXX10304; /* MBH10304 with buggy CIS */ - link->config_index = 0x20; - } else { - cardtype = MBH10302; /* NextCom NC5310, etc. */ - link->config_index = 1; - } - break; - case MANFID_UNGERMANN: - cardtype = UNGERMANN; - break; - default: - cardtype = MBH10302; - link->config_index = 1; - } - } - - if (link->resource[1]->end != 0) { - ret = mfc_try_io_port(link); - if (ret != 0) goto failed; - } else if (cardtype == UNGERMANN) { - ret = ungermann_try_io_port(link); - if (ret != 0) goto failed; - } else { - ret = pcmcia_request_io(link); - if (ret) - goto failed; - } - ret = pcmcia_request_irq(link, fjn_interrupt); - if (ret) - goto failed; - ret = pcmcia_enable_device(link); - if (ret) - goto failed; - - dev->irq = link->irq; - dev->base_addr = link->resource[0]->start; - - if (resource_size(link->resource[1]) != 0) { - ret = fmvj18x_setup_mfc(link); - if (ret != 0) goto failed; - } - - ioaddr = dev->base_addr; - - /* Reset controller */ - if (sram_config == 0) - outb(CONFIG0_RST, ioaddr + CONFIG_0); - else - outb(CONFIG0_RST_1, ioaddr + CONFIG_0); - - /* Power On chip and select bank 0 */ - if (cardtype == MBH10302) - outb(BANK_0, ioaddr + CONFIG_1); - else - outb(BANK_0U, ioaddr + CONFIG_1); - - /* Set hardware address */ - switch (cardtype) { - case MBH10304: - case TDK: - case LA501: - case CONTEC: - case NEC: - case KME: - if (cardtype == MBH10304) { - card_name = "FMV-J182"; - - len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); - if (len < 11) { - kfree(buf); - goto failed; - } - /* Read MACID from CIS */ - for (i = 5; i < 11; i++) - dev->dev_addr[i] = buf[i]; - kfree(buf); - } else { - if (pcmcia_get_mac_from_cis(link, dev)) - goto failed; - if( cardtype == TDK ) { - card_name = "TDK LAK-CD021"; - } else if( cardtype == LA501 ) { - card_name = "LA501"; - } else if( cardtype == NEC ) { - card_name = "PK-UG-J001"; - } else if( cardtype == KME ) { - card_name = "Panasonic"; - } else { - card_name = "C-NET(PC)C"; - } - } - break; - case UNGERMANN: - /* Read MACID from register */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i); - card_name = "Access/CARD"; - break; - case XXX10304: - /* Read MACID from Buggy CIS */ - if (fmvj18x_get_hwinfo(link, buggybuf) == -1) { - pr_notice("unable to read hardware net address\n"); - goto failed; - } - for (i = 0 ; i < 6; i++) { - dev->dev_addr[i] = buggybuf[i]; - } - card_name = "FMV-J182"; - break; - case MBH10302: - default: - /* Read MACID from register */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = inb(ioaddr + MAC_ID + i); - card_name = "FMV-J181"; - break; - } - - lp->cardtype = cardtype; - SET_NETDEV_DEV(dev, &link->dev); - - if (register_netdev(dev) != 0) { - pr_notice("register_netdev() failed\n"); - goto failed; - } - - /* print current configuration */ - netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n", - card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2", - dev->base_addr, dev->irq, dev->dev_addr); - - return 0; - -failed: - fmvj18x_release(link); - return -ENODEV; -} /* fmvj18x_config */ -/*====================================================================*/ - -static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id) -{ - u_char __iomem *base; - int i, j; - - /* Allocate a small memory window */ - link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; - link->resource[2]->start = 0; link->resource[2]->end = 0; - i = pcmcia_request_window(link, link->resource[2], 0); - if (i != 0) - return -1; - - base = ioremap(link->resource[2]->start, resource_size(link->resource[2])); - pcmcia_map_mem_page(link, link->resource[2], 0); - - /* - * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format - * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff - * 'xx' is garbage. - * 'yy' is MAC address. - */ - for (i = 0; i < 0x200; i++) { - if (readb(base+i*2) == 0x22) { - if (readb(base+(i-1)*2) == 0xff && - readb(base+(i+5)*2) == 0x04 && - readb(base+(i+6)*2) == 0x06 && - readb(base+(i+13)*2) == 0xff) - break; - } - } - - if (i != 0x200) { - for (j = 0 ; j < 6; j++,i++) { - node_id[j] = readb(base+(i+7)*2); - } - } - - iounmap(base); - j = pcmcia_release_window(link, link->resource[2]); - return (i != 0x200) ? 0 : -1; - -} /* fmvj18x_get_hwinfo */ -/*====================================================================*/ - -static int fmvj18x_setup_mfc(struct pcmcia_device *link) -{ - int i; - struct net_device *dev = link->priv; - unsigned int ioaddr; - local_info_t *lp = netdev_priv(dev); - - /* Allocate a small memory window */ - link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; - link->resource[3]->start = link->resource[3]->end = 0; - i = pcmcia_request_window(link, link->resource[3], 0); - if (i != 0) - return -1; - - lp->base = ioremap(link->resource[3]->start, - resource_size(link->resource[3])); - if (lp->base == NULL) { - netdev_notice(dev, "ioremap failed\n"); - return -1; - } - - i = pcmcia_map_mem_page(link, link->resource[3], 0); - if (i != 0) { - iounmap(lp->base); - lp->base = NULL; - return -1; - } - - ioaddr = dev->base_addr; - writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */ - writeb(0x0, lp->base+0x802); /* Config and Status Register */ - - writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */ - writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */ - - writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */ - writeb(0x8, lp->base+0x822); /* Config and Status Register */ - - return 0; - -} -/*====================================================================*/ - -static void fmvj18x_release(struct pcmcia_device *link) -{ - - struct net_device *dev = link->priv; - local_info_t *lp = netdev_priv(dev); - u_char __iomem *tmp; - - dev_dbg(&link->dev, "fmvj18x_release\n"); - - if (lp->base != NULL) { - tmp = lp->base; - lp->base = NULL; /* set NULL before iounmap */ - iounmap(tmp); - } - - pcmcia_disable_device(link); - -} - -static int fmvj18x_suspend(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) - netif_device_detach(dev); - - return 0; -} - -static int fmvj18x_resume(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) { - fjn_reset(dev); - netif_device_attach(dev); - } - - return 0; -} - -/*====================================================================*/ - -static const struct pcmcia_device_id fmvj18x_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004), - PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59), - PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922), - PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922), - PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db), - PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e), - PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2), - PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4), - PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6), - PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6), - PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666), - PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70), - PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a), - PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2), - PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454), - PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da), - PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101), - PCMCIA_DEVICE_NULL, -}; -MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids); - -static struct pcmcia_driver fmvj18x_cs_driver = { - .owner = THIS_MODULE, - .name = "fmvj18x_cs", - .probe = fmvj18x_probe, - .remove = fmvj18x_detach, - .id_table = fmvj18x_ids, - .suspend = fmvj18x_suspend, - .resume = fmvj18x_resume, -}; - -static int __init init_fmvj18x_cs(void) -{ - return pcmcia_register_driver(&fmvj18x_cs_driver); -} - -static void __exit exit_fmvj18x_cs(void) -{ - pcmcia_unregister_driver(&fmvj18x_cs_driver); -} - -module_init(init_fmvj18x_cs); -module_exit(exit_fmvj18x_cs); - -/*====================================================================*/ - -static irqreturn_t fjn_interrupt(int dummy, void *dev_id) -{ - struct net_device *dev = dev_id; - local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr; - unsigned short tx_stat, rx_stat; - - ioaddr = dev->base_addr; - - /* avoid multiple interrupts */ - outw(0x0000, ioaddr + TX_INTR); - - /* wait for a while */ - udelay(1); - - /* get status */ - tx_stat = inb(ioaddr + TX_STATUS); - rx_stat = inb(ioaddr + RX_STATUS); - - /* clear status */ - outb(tx_stat, ioaddr + TX_STATUS); - outb(rx_stat, ioaddr + RX_STATUS); - - pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat); - pr_debug(" tx_status %02x.\n", tx_stat); - - if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { - /* there is packet(s) in rx buffer */ - fjn_rx(dev); - } - if (tx_stat & F_TMT_RDY) { - dev->stats.tx_packets += lp->sent ; - lp->sent = 0 ; - if (lp->tx_queue) { - outb(DO_TX | lp->tx_queue, ioaddr + TX_START); - lp->sent = lp->tx_queue ; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - dev->trans_start = jiffies; - } else { - lp->tx_started = 0; - } - netif_wake_queue(dev); - } - pr_debug("%s: exiting interrupt,\n", dev->name); - pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat); - - outb(D_TX_INTR, ioaddr + TX_INTR); - outb(D_RX_INTR, ioaddr + RX_INTR); - - if (lp->base != NULL) { - /* Ack interrupt for multifunction card */ - writeb(0x01, lp->base+0x802); - writeb(0x09, lp->base+0x822); - } - - return IRQ_HANDLED; - -} /* fjn_interrupt */ - -/*====================================================================*/ - -static void fjn_tx_timeout(struct net_device *dev) -{ - struct local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - - netdev_notice(dev, "transmit timed out with status %04x, %s?\n", - htons(inw(ioaddr + TX_STATUS)), - inb(ioaddr + TX_STATUS) & F_TMT_RDY - ? "IRQ conflict" : "network cable problem"); - netdev_notice(dev, "timeout registers: %04x %04x %04x " - "%04x %04x %04x %04x %04x.\n", - htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)), - htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)), - htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)), - htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14))); - dev->stats.tx_errors++; - /* ToDo: We should try to restart the adaptor... */ - local_irq_disable(); - fjn_reset(dev); - - lp->tx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->sent = 0; - lp->open_time = jiffies; - local_irq_enable(); - netif_wake_queue(dev); -} - -static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - short length = skb->len; - - if (length < ETH_ZLEN) - { - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - length = ETH_ZLEN; - } - - netif_stop_queue(dev); - - { - unsigned char *buf = skb->data; - - if (length > ETH_FRAME_LEN) { - netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n", - length); - return NETDEV_TX_BUSY; - } - - netdev_dbg(dev, "Transmitting a packet of length %lu\n", - (unsigned long)skb->len); - dev->stats.tx_bytes += skb->len; - - /* Disable both interrupts. */ - outw(0x0000, ioaddr + TX_INTR); - - /* wait for a while */ - udelay(1); - - outw(length, ioaddr + DATAPORT); - outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); - - lp->tx_queue++; - lp->tx_queue_len += ((length+3) & ~1); - - if (lp->tx_started == 0) { - /* If the Tx is idle, always trigger a transmit. */ - outb(DO_TX | lp->tx_queue, ioaddr + TX_START); - lp->sent = lp->tx_queue ; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->tx_started = 1; - netif_start_queue(dev); - } else { - if( sram_config == 0 ) { - if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) ) - /* Yes, there is room for one more packet. */ - netif_start_queue(dev); - } else { - if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) && - lp->tx_queue < 127 ) - /* Yes, there is room for one more packet. */ - netif_start_queue(dev); - } - } - - /* Re-enable interrupts */ - outb(D_TX_INTR, ioaddr + TX_INTR); - outb(D_RX_INTR, ioaddr + RX_INTR); - } - dev_kfree_skb (skb); - - return NETDEV_TX_OK; -} /* fjn_start_xmit */ - -/*====================================================================*/ - -static void fjn_reset(struct net_device *dev) -{ - struct local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - int i; - - netdev_dbg(dev, "fjn_reset() called\n"); - - /* Reset controller */ - if( sram_config == 0 ) - outb(CONFIG0_RST, ioaddr + CONFIG_0); - else - outb(CONFIG0_RST_1, ioaddr + CONFIG_0); - - /* Power On chip and select bank 0 */ - if (lp->cardtype == MBH10302) - outb(BANK_0, ioaddr + CONFIG_1); - else - outb(BANK_0U, ioaddr + CONFIG_1); - - /* Set Tx modes */ - outb(D_TX_MODE, ioaddr + TX_MODE); - /* set Rx modes */ - outb(ID_MATCHED, ioaddr + RX_MODE); - - /* Set hardware address */ - for (i = 0; i < 6; i++) - outb(dev->dev_addr[i], ioaddr + NODE_ID + i); - - /* (re)initialize the multicast table */ - set_rx_mode(dev); - - /* Switch to bank 2 (runtime mode) */ - if (lp->cardtype == MBH10302) - outb(BANK_2, ioaddr + CONFIG_1); - else - outb(BANK_2U, ioaddr + CONFIG_1); - - /* set 16col ctrl bits */ - if( lp->cardtype == TDK || lp->cardtype == CONTEC) - outb(TDK_AUTO_MODE, ioaddr + COL_CTRL); - else - outb(AUTO_MODE, ioaddr + COL_CTRL); - - /* clear Reserved Regs */ - outb(0x00, ioaddr + BMPR12); - outb(0x00, ioaddr + BMPR13); - - /* reset Skip packet reg. */ - outb(0x01, ioaddr + RX_SKIP); - - /* Enable Tx and Rx */ - if( sram_config == 0 ) - outb(CONFIG0_DFL, ioaddr + CONFIG_0); - else - outb(CONFIG0_DFL_1, ioaddr + CONFIG_0); - - /* Init receive pointer ? */ - inw(ioaddr + DATAPORT); - inw(ioaddr + DATAPORT); - - /* Clear all status */ - outb(0xff, ioaddr + TX_STATUS); - outb(0xff, ioaddr + RX_STATUS); - - if (lp->cardtype == MBH10302) - outb(INTR_OFF, ioaddr + LAN_CTRL); - - /* Turn on Rx interrupts */ - outb(D_TX_INTR, ioaddr + TX_INTR); - outb(D_RX_INTR, ioaddr + RX_INTR); - - /* Turn on interrupts from LAN card controller */ - if (lp->cardtype == MBH10302) - outb(INTR_ON, ioaddr + LAN_CTRL); -} /* fjn_reset */ - -/*====================================================================*/ - -static void fjn_rx(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - int boguscount = 10; /* 5 -> 10: by agy 19940922 */ - - pr_debug("%s: in rx_packet(), rx_status %02x.\n", - dev->name, inb(ioaddr + RX_STATUS)); - - while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { - u_short status = inw(ioaddr + DATAPORT); - - netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n", - inb(ioaddr + RX_MODE), status); -#ifndef final_version - if (status == 0) { - outb(F_SKP_PKT, ioaddr + RX_SKIP); - break; - } -#endif - if ((status & 0xF0) != 0x20) { /* There was an error. */ - dev->stats.rx_errors++; - if (status & F_LEN_ERR) dev->stats.rx_length_errors++; - if (status & F_ALG_ERR) dev->stats.rx_frame_errors++; - if (status & F_CRC_ERR) dev->stats.rx_crc_errors++; - if (status & F_OVR_FLO) dev->stats.rx_over_errors++; - } else { - u_short pkt_len = inw(ioaddr + DATAPORT); - /* Malloc up new buffer. */ - struct sk_buff *skb; - - if (pkt_len > 1550) { - netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n", - pkt_len); - outb(F_SKP_PKT, ioaddr + RX_SKIP); - dev->stats.rx_errors++; - break; - } - skb = dev_alloc_skb(pkt_len+2); - if (skb == NULL) { - netdev_notice(dev, "Memory squeeze, dropping packet (len %d)\n", - pkt_len); - outb(F_SKP_PKT, ioaddr + RX_SKIP); - dev->stats.rx_dropped++; - break; - } - - skb_reserve(skb, 2); - insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), - (pkt_len + 1) >> 1); - skb->protocol = eth_type_trans(skb, dev); - - { - int i; - pr_debug("%s: Rxed packet of length %d: ", - dev->name, pkt_len); - for (i = 0; i < 14; i++) - pr_debug(" %02x", skb->data[i]); - pr_debug(".\n"); - } - - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - } - if (--boguscount <= 0) - break; - } - - /* If any worth-while packets have been received, dev_rint() - has done a netif_wake_queue() for us and will work on them - when we get to the bottom-half routine. */ -/* - if (lp->cardtype != TDK) { - int i; - for (i = 0; i < 20; i++) { - if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP) - break; - (void)inw(ioaddr + DATAPORT); /+ dummy status read +/ - outb(F_SKP_PKT, ioaddr + RX_SKIP); - } - - if (i > 0) - pr_debug("%s: Exint Rx packet with mode %02x after " - "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i); - } -*/ -} /* fjn_rx */ - -/*====================================================================*/ - -static void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); -} - -static const struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, -}; - -static int fjn_config(struct net_device *dev, struct ifmap *map){ - return 0; -} - -static int fjn_open(struct net_device *dev) -{ - struct local_info_t *lp = netdev_priv(dev); - struct pcmcia_device *link = lp->p_dev; - - pr_debug("fjn_open('%s').\n", dev->name); - - if (!pcmcia_dev_present(link)) - return -ENODEV; - - link->open++; - - fjn_reset(dev); - - lp->tx_started = 0; - lp->tx_queue = 0; - lp->tx_queue_len = 0; - lp->open_time = jiffies; - netif_start_queue(dev); - - return 0; -} /* fjn_open */ - -/*====================================================================*/ - -static int fjn_close(struct net_device *dev) -{ - struct local_info_t *lp = netdev_priv(dev); - struct pcmcia_device *link = lp->p_dev; - unsigned int ioaddr = dev->base_addr; - - pr_debug("fjn_close('%s').\n", dev->name); - - lp->open_time = 0; - netif_stop_queue(dev); - - /* Set configuration register 0 to disable Tx and Rx. */ - if( sram_config == 0 ) - outb(CONFIG0_RST ,ioaddr + CONFIG_0); - else - outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0); - - /* Update the statistics -- ToDo. */ - - /* Power-down the chip. Green, green, green! */ - outb(CHIP_OFF ,ioaddr + CONFIG_1); - - /* Set the ethernet adaptor disable IRQ */ - if (lp->cardtype == MBH10302) - outb(INTR_OFF, ioaddr + LAN_CTRL); - - link->open--; - - return 0; -} /* fjn_close */ - -/*====================================================================*/ - -/* - Set the multicast/promiscuous mode for this adaptor. -*/ - -static void set_rx_mode(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - u_char mc_filter[8]; /* Multicast hash filter */ - u_long flags; - int i; - - int saved_bank; - int saved_config_0 = inb(ioaddr + CONFIG_0); - - local_irq_save(flags); - - /* Disable Tx and Rx */ - if (sram_config == 0) - outb(CONFIG0_RST, ioaddr + CONFIG_0); - else - outb(CONFIG0_RST_1, ioaddr + CONFIG_0); - - if (dev->flags & IFF_PROMISC) { - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ - } else if (netdev_mc_count(dev) > MC_FILTERBREAK || - (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - memset(mc_filter, 0xff, sizeof(mc_filter)); - outb(2, ioaddr + RX_MODE); /* Use normal mode. */ - } else if (netdev_mc_empty(dev)) { - memset(mc_filter, 0x00, sizeof(mc_filter)); - outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ - } else { - struct netdev_hw_addr *ha; - - memset(mc_filter, 0, sizeof(mc_filter)); - netdev_for_each_mc_addr(ha, dev) { - unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26; - mc_filter[bit >> 3] |= (1 << (bit & 7)); - } - outb(2, ioaddr + RX_MODE); /* Use normal mode. */ - } - - /* Switch to bank 1 and set the multicast table. */ - saved_bank = inb(ioaddr + CONFIG_1); - outb(0xe4, ioaddr + CONFIG_1); - - for (i = 0; i < 8; i++) - outb(mc_filter[i], ioaddr + MAR_ADR + i); - outb(saved_bank, ioaddr + CONFIG_1); - - outb(saved_config_0, ioaddr + CONFIG_0); - - local_irq_restore(flags); -} -- cgit v0.10.2