1ca7a8e85SJeff Kirsher /* 3c509.c: A 3c509 EtherLink3 ethernet driver for linux. */ 2ca7a8e85SJeff Kirsher /* 3ca7a8e85SJeff Kirsher Written 1993-2000 by Donald Becker. 4ca7a8e85SJeff Kirsher 5ca7a8e85SJeff Kirsher Copyright 1994-2000 by Donald Becker. 6ca7a8e85SJeff Kirsher Copyright 1993 United States Government as represented by the 7ca7a8e85SJeff Kirsher Director, National Security Agency. This software may be used and 8ca7a8e85SJeff Kirsher distributed according to the terms of the GNU General Public License, 9ca7a8e85SJeff Kirsher incorporated herein by reference. 10ca7a8e85SJeff Kirsher 11ca7a8e85SJeff Kirsher This driver is for the 3Com EtherLinkIII series. 12ca7a8e85SJeff Kirsher 13ca7a8e85SJeff Kirsher The author may be reached as becker@scyld.com, or C/O 14ca7a8e85SJeff Kirsher Scyld Computing Corporation 15ca7a8e85SJeff Kirsher 410 Severn Ave., Suite 210 16ca7a8e85SJeff Kirsher Annapolis MD 21403 17ca7a8e85SJeff Kirsher 18ca7a8e85SJeff Kirsher Known limitations: 19ca7a8e85SJeff Kirsher Because of the way 3c509 ISA detection works it's difficult to predict 20ca7a8e85SJeff Kirsher a priori which of several ISA-mode cards will be detected first. 21ca7a8e85SJeff Kirsher 22ca7a8e85SJeff Kirsher This driver does not use predictive interrupt mode, resulting in higher 23ca7a8e85SJeff Kirsher packet latency but lower overhead. If interrupts are disabled for an 24ca7a8e85SJeff Kirsher unusually long time it could also result in missed packets, but in 25ca7a8e85SJeff Kirsher practice this rarely happens. 26ca7a8e85SJeff Kirsher 27ca7a8e85SJeff Kirsher 28ca7a8e85SJeff Kirsher FIXES: 29ca7a8e85SJeff Kirsher Alan Cox: Removed the 'Unexpected interrupt' bug. 30ca7a8e85SJeff Kirsher Michael Meskes: Upgraded to Donald Becker's version 1.07. 31ca7a8e85SJeff Kirsher Alan Cox: Increased the eeprom delay. Regardless of 32ca7a8e85SJeff Kirsher what the docs say some people definitely 33ca7a8e85SJeff Kirsher get problems with lower (but in card spec) 34ca7a8e85SJeff Kirsher delays 35ca7a8e85SJeff Kirsher v1.10 4/21/97 Fixed module code so that multiple cards may be detected, 36ca7a8e85SJeff Kirsher other cleanups. -djb 37ca7a8e85SJeff Kirsher Andrea Arcangeli: Upgraded to Donald Becker's version 1.12. 38ca7a8e85SJeff Kirsher Rick Payne: Fixed SMP race condition 39ca7a8e85SJeff Kirsher v1.13 9/8/97 Made 'max_interrupt_work' an insmod-settable variable -djb 40ca7a8e85SJeff Kirsher v1.14 10/15/97 Avoided waiting..discard message for fast machines -djb 41ca7a8e85SJeff Kirsher v1.15 1/31/98 Faster recovery for Tx errors. -djb 42ca7a8e85SJeff Kirsher v1.16 2/3/98 Different ID port handling to avoid sound cards. -djb 43ca7a8e85SJeff Kirsher v1.18 12Mar2001 Andrew Morton 44ca7a8e85SJeff Kirsher - Avoid bogus detect of 3c590's (Andrzej Krzysztofowicz) 45ca7a8e85SJeff Kirsher - Reviewed against 1.18 from scyld.com 46ca7a8e85SJeff Kirsher v1.18a 17Nov2001 Jeff Garzik <jgarzik@pobox.com> 47ca7a8e85SJeff Kirsher - ethtool support 48ca7a8e85SJeff Kirsher v1.18b 1Mar2002 Zwane Mwaikambo <zwane@commfireservices.com> 49ca7a8e85SJeff Kirsher - Power Management support 50ca7a8e85SJeff Kirsher v1.18c 1Mar2002 David Ruggiero <jdr@farfalle.com> 51ca7a8e85SJeff Kirsher - Full duplex support 52ca7a8e85SJeff Kirsher v1.19 16Oct2002 Zwane Mwaikambo <zwane@linuxpower.ca> 53ca7a8e85SJeff Kirsher - Additional ethtool features 54ca7a8e85SJeff Kirsher v1.19a 28Oct2002 Davud Ruggiero <jdr@farfalle.com> 55ca7a8e85SJeff Kirsher - Increase *read_eeprom udelay to workaround oops with 2 cards. 56ca7a8e85SJeff Kirsher v1.19b 08Nov2002 Marc Zyngier <maz@wild-wind.fr.eu.org> 57ca7a8e85SJeff Kirsher - Introduce driver model for EISA cards. 58ca7a8e85SJeff Kirsher v1.20 04Feb2008 Ondrej Zary <linux@rainbow-software.org> 59ca7a8e85SJeff Kirsher - convert to isa_driver and pnp_driver and some cleanups 60ca7a8e85SJeff Kirsher */ 61ca7a8e85SJeff Kirsher 62ca7a8e85SJeff Kirsher #define DRV_NAME "3c509" 63ca7a8e85SJeff Kirsher 64ca7a8e85SJeff Kirsher /* A few values that may be tweaked. */ 65ca7a8e85SJeff Kirsher 66ca7a8e85SJeff Kirsher /* Time in jiffies before concluding the transmitter is hung. */ 67ca7a8e85SJeff Kirsher #define TX_TIMEOUT (400*HZ/1000) 68ca7a8e85SJeff Kirsher 69ca7a8e85SJeff Kirsher #include <linux/module.h> 70ca7a8e85SJeff Kirsher #include <linux/isa.h> 71ca7a8e85SJeff Kirsher #include <linux/pnp.h> 72ca7a8e85SJeff Kirsher #include <linux/string.h> 73ca7a8e85SJeff Kirsher #include <linux/interrupt.h> 74ca7a8e85SJeff Kirsher #include <linux/errno.h> 75ca7a8e85SJeff Kirsher #include <linux/in.h> 76ca7a8e85SJeff Kirsher #include <linux/ioport.h> 77ca7a8e85SJeff Kirsher #include <linux/init.h> 78ca7a8e85SJeff Kirsher #include <linux/netdevice.h> 79ca7a8e85SJeff Kirsher #include <linux/etherdevice.h> 80ca7a8e85SJeff Kirsher #include <linux/pm.h> 81ca7a8e85SJeff Kirsher #include <linux/skbuff.h> 82ca7a8e85SJeff Kirsher #include <linux/delay.h> /* for udelay() */ 83ca7a8e85SJeff Kirsher #include <linux/spinlock.h> 84ca7a8e85SJeff Kirsher #include <linux/ethtool.h> 85ca7a8e85SJeff Kirsher #include <linux/device.h> 86ca7a8e85SJeff Kirsher #include <linux/eisa.h> 87ca7a8e85SJeff Kirsher #include <linux/bitops.h> 88ca7a8e85SJeff Kirsher 897c0f6ba6SLinus Torvalds #include <linux/uaccess.h> 90ca7a8e85SJeff Kirsher #include <asm/io.h> 91ca7a8e85SJeff Kirsher #include <asm/irq.h> 92ca7a8e85SJeff Kirsher 93ca7a8e85SJeff Kirsher #ifdef EL3_DEBUG 94ca7a8e85SJeff Kirsher static int el3_debug = EL3_DEBUG; 95ca7a8e85SJeff Kirsher #else 96ca7a8e85SJeff Kirsher static int el3_debug = 2; 97ca7a8e85SJeff Kirsher #endif 98ca7a8e85SJeff Kirsher 99ca7a8e85SJeff Kirsher /* Used to do a global count of all the cards in the system. Must be 100a5e371f6SPaul Gortmaker * a global variable so that the eisa probe routines can increment 101ca7a8e85SJeff Kirsher * it */ 102ca7a8e85SJeff Kirsher static int el3_cards = 0; 103ca7a8e85SJeff Kirsher #define EL3_MAX_CARDS 8 104ca7a8e85SJeff Kirsher 105ca7a8e85SJeff Kirsher /* To minimize the size of the driver source I only define operating 106ca7a8e85SJeff Kirsher constants if they are used several times. You'll need the manual 107ca7a8e85SJeff Kirsher anyway if you want to understand driver details. */ 108ca7a8e85SJeff Kirsher /* Offsets from base I/O address. */ 109ca7a8e85SJeff Kirsher #define EL3_DATA 0x00 110ca7a8e85SJeff Kirsher #define EL3_CMD 0x0e 111ca7a8e85SJeff Kirsher #define EL3_STATUS 0x0e 112ca7a8e85SJeff Kirsher #define EEPROM_READ 0x80 113ca7a8e85SJeff Kirsher 114ca7a8e85SJeff Kirsher #define EL3_IO_EXTENT 16 115ca7a8e85SJeff Kirsher 116ca7a8e85SJeff Kirsher #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD) 117ca7a8e85SJeff Kirsher 118ca7a8e85SJeff Kirsher 119ca7a8e85SJeff Kirsher /* The top five bits written to EL3_CMD are a command, the lower 120ca7a8e85SJeff Kirsher 11 bits are the parameter, if applicable. */ 121ca7a8e85SJeff Kirsher enum c509cmd { 122ca7a8e85SJeff Kirsher TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11, 123ca7a8e85SJeff Kirsher RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11, 124ca7a8e85SJeff Kirsher TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11, 125ca7a8e85SJeff Kirsher FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11, 126ca7a8e85SJeff Kirsher SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11, 127ca7a8e85SJeff Kirsher SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11, 128ca7a8e85SJeff Kirsher StatsDisable = 22<<11, StopCoax = 23<<11, PowerUp = 27<<11, 129ca7a8e85SJeff Kirsher PowerDown = 28<<11, PowerAuto = 29<<11}; 130ca7a8e85SJeff Kirsher 131ca7a8e85SJeff Kirsher enum c509status { 132ca7a8e85SJeff Kirsher IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004, 133ca7a8e85SJeff Kirsher TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020, 134ca7a8e85SJeff Kirsher IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000, }; 135ca7a8e85SJeff Kirsher 136ca7a8e85SJeff Kirsher /* The SetRxFilter command accepts the following classes: */ 137ca7a8e85SJeff Kirsher enum RxFilter { 138ca7a8e85SJeff Kirsher RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 }; 139ca7a8e85SJeff Kirsher 140ca7a8e85SJeff Kirsher /* Register window 1 offsets, the window used in normal operation. */ 141ca7a8e85SJeff Kirsher #define TX_FIFO 0x00 142ca7a8e85SJeff Kirsher #define RX_FIFO 0x00 143ca7a8e85SJeff Kirsher #define RX_STATUS 0x08 144ca7a8e85SJeff Kirsher #define TX_STATUS 0x0B 145ca7a8e85SJeff Kirsher #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */ 146ca7a8e85SJeff Kirsher 147ca7a8e85SJeff Kirsher #define WN0_CONF_CTRL 0x04 /* Window 0: Configuration control register */ 148ca7a8e85SJeff Kirsher #define WN0_ADDR_CONF 0x06 /* Window 0: Address configuration register */ 149ca7a8e85SJeff Kirsher #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */ 150ca7a8e85SJeff Kirsher #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */ 151ca7a8e85SJeff Kirsher #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */ 152ca7a8e85SJeff Kirsher #define WN4_NETDIAG 0x06 /* Window 4: Net diagnostic */ 153ca7a8e85SJeff Kirsher #define FD_ENABLE 0x8000 /* Enable full-duplex ("external loopback") */ 154ca7a8e85SJeff Kirsher 155ca7a8e85SJeff Kirsher /* 156ca7a8e85SJeff Kirsher * Must be a power of two (we use a binary and in the 157ca7a8e85SJeff Kirsher * circular queue) 158ca7a8e85SJeff Kirsher */ 159ca7a8e85SJeff Kirsher #define SKB_QUEUE_SIZE 64 160ca7a8e85SJeff Kirsher 161a5e371f6SPaul Gortmaker enum el3_cardtype { EL3_ISA, EL3_PNP, EL3_EISA }; 162ca7a8e85SJeff Kirsher 163ca7a8e85SJeff Kirsher struct el3_private { 164ca7a8e85SJeff Kirsher spinlock_t lock; 165ca7a8e85SJeff Kirsher /* skb send-queue */ 166ca7a8e85SJeff Kirsher int head, size; 167ca7a8e85SJeff Kirsher struct sk_buff *queue[SKB_QUEUE_SIZE]; 168ca7a8e85SJeff Kirsher enum el3_cardtype type; 169ca7a8e85SJeff Kirsher }; 170ca7a8e85SJeff Kirsher static int id_port; 171ca7a8e85SJeff Kirsher static int current_tag; 172ca7a8e85SJeff Kirsher static struct net_device *el3_devs[EL3_MAX_CARDS]; 173ca7a8e85SJeff Kirsher 174ca7a8e85SJeff Kirsher /* Parameters that may be passed into the module. */ 175ca7a8e85SJeff Kirsher static int debug = -1; 176ca7a8e85SJeff Kirsher static int irq[] = {-1, -1, -1, -1, -1, -1, -1, -1}; 177ca7a8e85SJeff Kirsher /* Maximum events (Rx packets, etc.) to handle at each interrupt. */ 178ca7a8e85SJeff Kirsher static int max_interrupt_work = 10; 179ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 180ca7a8e85SJeff Kirsher static int nopnp; 181ca7a8e85SJeff Kirsher #endif 182ca7a8e85SJeff Kirsher 1832791cf7aSBill Pemberton static int el3_common_init(struct net_device *dev); 184ca7a8e85SJeff Kirsher static void el3_common_remove(struct net_device *dev); 185ca7a8e85SJeff Kirsher static ushort id_read_eeprom(int index); 186ca7a8e85SJeff Kirsher static ushort read_eeprom(int ioaddr, int index); 187ca7a8e85SJeff Kirsher static int el3_open(struct net_device *dev); 188ca7a8e85SJeff Kirsher static netdev_tx_t el3_start_xmit(struct sk_buff *skb, struct net_device *dev); 189ca7a8e85SJeff Kirsher static irqreturn_t el3_interrupt(int irq, void *dev_id); 190ca7a8e85SJeff Kirsher static void update_stats(struct net_device *dev); 191ca7a8e85SJeff Kirsher static struct net_device_stats *el3_get_stats(struct net_device *dev); 192ca7a8e85SJeff Kirsher static int el3_rx(struct net_device *dev); 193ca7a8e85SJeff Kirsher static int el3_close(struct net_device *dev); 194ca7a8e85SJeff Kirsher static void set_multicast_list(struct net_device *dev); 1950290bd29SMichael S. Tsirkin static void el3_tx_timeout (struct net_device *dev, unsigned int txqueue); 196ca7a8e85SJeff Kirsher static void el3_down(struct net_device *dev); 197ca7a8e85SJeff Kirsher static void el3_up(struct net_device *dev); 198ca7a8e85SJeff Kirsher static const struct ethtool_ops ethtool_ops; 199ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 200ca7a8e85SJeff Kirsher static int el3_suspend(struct device *, pm_message_t); 201ca7a8e85SJeff Kirsher static int el3_resume(struct device *); 202ca7a8e85SJeff Kirsher #else 203ca7a8e85SJeff Kirsher #define el3_suspend NULL 204ca7a8e85SJeff Kirsher #define el3_resume NULL 205ca7a8e85SJeff Kirsher #endif 206ca7a8e85SJeff Kirsher 207ca7a8e85SJeff Kirsher 208ca7a8e85SJeff Kirsher /* generic device remove for all device types */ 209ca7a8e85SJeff Kirsher static int el3_device_remove (struct device *device); 210ca7a8e85SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 211ca7a8e85SJeff Kirsher static void el3_poll_controller(struct net_device *dev); 212ca7a8e85SJeff Kirsher #endif 213ca7a8e85SJeff Kirsher 214ca7a8e85SJeff Kirsher /* Return 0 on success, 1 on error, 2 when found already detected PnP card */ 215ca7a8e85SJeff Kirsher static int el3_isa_id_sequence(__be16 *phys_addr) 216ca7a8e85SJeff Kirsher { 217ca7a8e85SJeff Kirsher short lrs_state = 0xff; 218ca7a8e85SJeff Kirsher int i; 219ca7a8e85SJeff Kirsher 220ca7a8e85SJeff Kirsher /* ISA boards are detected by sending the ID sequence to the 221ca7a8e85SJeff Kirsher ID_PORT. We find cards past the first by setting the 'current_tag' 222ca7a8e85SJeff Kirsher on cards as they are found. Cards with their tag set will not 223ca7a8e85SJeff Kirsher respond to subsequent ID sequences. */ 224ca7a8e85SJeff Kirsher 225ca7a8e85SJeff Kirsher outb(0x00, id_port); 226ca7a8e85SJeff Kirsher outb(0x00, id_port); 227ca7a8e85SJeff Kirsher for (i = 0; i < 255; i++) { 228ca7a8e85SJeff Kirsher outb(lrs_state, id_port); 229ca7a8e85SJeff Kirsher lrs_state <<= 1; 230ca7a8e85SJeff Kirsher lrs_state = lrs_state & 0x100 ? lrs_state ^ 0xcf : lrs_state; 231ca7a8e85SJeff Kirsher } 232ca7a8e85SJeff Kirsher /* For the first probe, clear all board's tag registers. */ 233ca7a8e85SJeff Kirsher if (current_tag == 0) 234ca7a8e85SJeff Kirsher outb(0xd0, id_port); 235ca7a8e85SJeff Kirsher else /* Otherwise kill off already-found boards. */ 236ca7a8e85SJeff Kirsher outb(0xd8, id_port); 237ca7a8e85SJeff Kirsher if (id_read_eeprom(7) != 0x6d50) 238ca7a8e85SJeff Kirsher return 1; 239ca7a8e85SJeff Kirsher /* Read in EEPROM data, which does contention-select. 240ca7a8e85SJeff Kirsher Only the lowest address board will stay "on-line". 241ca7a8e85SJeff Kirsher 3Com got the byte order backwards. */ 242ca7a8e85SJeff Kirsher for (i = 0; i < 3; i++) 243ca7a8e85SJeff Kirsher phys_addr[i] = htons(id_read_eeprom(i)); 244ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 245ca7a8e85SJeff Kirsher if (!nopnp) { 246ca7a8e85SJeff Kirsher /* The ISA PnP 3c509 cards respond to the ID sequence too. 247ca7a8e85SJeff Kirsher This check is needed in order not to register them twice. */ 248ca7a8e85SJeff Kirsher for (i = 0; i < el3_cards; i++) { 249ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(el3_devs[i]); 250ca7a8e85SJeff Kirsher if (lp->type == EL3_PNP && 251ae237b3eSdingtianhong ether_addr_equal((u8 *)phys_addr, el3_devs[i]->dev_addr)) { 252ca7a8e85SJeff Kirsher if (el3_debug > 3) 253ca7a8e85SJeff Kirsher pr_debug("3c509 with address %02x %02x %02x %02x %02x %02x was found by ISAPnP\n", 254ca7a8e85SJeff Kirsher phys_addr[0] & 0xff, phys_addr[0] >> 8, 255ca7a8e85SJeff Kirsher phys_addr[1] & 0xff, phys_addr[1] >> 8, 256ca7a8e85SJeff Kirsher phys_addr[2] & 0xff, phys_addr[2] >> 8); 257ca7a8e85SJeff Kirsher /* Set the adaptor tag so that the next card can be found. */ 258ca7a8e85SJeff Kirsher outb(0xd0 + ++current_tag, id_port); 259ca7a8e85SJeff Kirsher return 2; 260ca7a8e85SJeff Kirsher } 261ca7a8e85SJeff Kirsher } 262ca7a8e85SJeff Kirsher } 263ca7a8e85SJeff Kirsher #endif /* CONFIG_PNP */ 264ca7a8e85SJeff Kirsher return 0; 265ca7a8e85SJeff Kirsher 266ca7a8e85SJeff Kirsher } 267ca7a8e85SJeff Kirsher 2681dd06ae8SGreg Kroah-Hartman static void el3_dev_fill(struct net_device *dev, __be16 *phys_addr, int ioaddr, 2691dd06ae8SGreg Kroah-Hartman int irq, int if_port, enum el3_cardtype type) 270ca7a8e85SJeff Kirsher { 271ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 272ca7a8e85SJeff Kirsher 273ca7a8e85SJeff Kirsher memcpy(dev->dev_addr, phys_addr, ETH_ALEN); 274ca7a8e85SJeff Kirsher dev->base_addr = ioaddr; 275ca7a8e85SJeff Kirsher dev->irq = irq; 276ca7a8e85SJeff Kirsher dev->if_port = if_port; 277ca7a8e85SJeff Kirsher lp->type = type; 278ca7a8e85SJeff Kirsher } 279ca7a8e85SJeff Kirsher 2801dd06ae8SGreg Kroah-Hartman static int el3_isa_match(struct device *pdev, unsigned int ndev) 281ca7a8e85SJeff Kirsher { 282ca7a8e85SJeff Kirsher struct net_device *dev; 283ca7a8e85SJeff Kirsher int ioaddr, isa_irq, if_port, err; 284ca7a8e85SJeff Kirsher unsigned int iobase; 285ca7a8e85SJeff Kirsher __be16 phys_addr[3]; 286ca7a8e85SJeff Kirsher 287ca7a8e85SJeff Kirsher while ((err = el3_isa_id_sequence(phys_addr)) == 2) 288ca7a8e85SJeff Kirsher ; /* Skip to next card when PnP card found */ 289ca7a8e85SJeff Kirsher if (err == 1) 290ca7a8e85SJeff Kirsher return 0; 291ca7a8e85SJeff Kirsher 292ca7a8e85SJeff Kirsher iobase = id_read_eeprom(8); 293ca7a8e85SJeff Kirsher if_port = iobase >> 14; 294ca7a8e85SJeff Kirsher ioaddr = 0x200 + ((iobase & 0x1f) << 4); 295ca7a8e85SJeff Kirsher if (irq[el3_cards] > 1 && irq[el3_cards] < 16) 296ca7a8e85SJeff Kirsher isa_irq = irq[el3_cards]; 297ca7a8e85SJeff Kirsher else 298ca7a8e85SJeff Kirsher isa_irq = id_read_eeprom(9) >> 12; 299ca7a8e85SJeff Kirsher 300ca7a8e85SJeff Kirsher dev = alloc_etherdev(sizeof(struct el3_private)); 301ca7a8e85SJeff Kirsher if (!dev) 302ca7a8e85SJeff Kirsher return -ENOMEM; 303ca7a8e85SJeff Kirsher 3043b54912fSMatthew Whitehead SET_NETDEV_DEV(dev, pdev); 305ca7a8e85SJeff Kirsher netdev_boot_setup_check(dev); 306ca7a8e85SJeff Kirsher 307ca7a8e85SJeff Kirsher if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) { 308ca7a8e85SJeff Kirsher free_netdev(dev); 309ca7a8e85SJeff Kirsher return 0; 310ca7a8e85SJeff Kirsher } 311ca7a8e85SJeff Kirsher 312ca7a8e85SJeff Kirsher /* Set the adaptor tag so that the next card can be found. */ 313ca7a8e85SJeff Kirsher outb(0xd0 + ++current_tag, id_port); 314ca7a8e85SJeff Kirsher 315ca7a8e85SJeff Kirsher /* Activate the adaptor at the EEPROM location. */ 316ca7a8e85SJeff Kirsher outb((ioaddr >> 4) | 0xe0, id_port); 317ca7a8e85SJeff Kirsher 318ca7a8e85SJeff Kirsher EL3WINDOW(0); 319ca7a8e85SJeff Kirsher if (inw(ioaddr) != 0x6d50) { 320ca7a8e85SJeff Kirsher free_netdev(dev); 321ca7a8e85SJeff Kirsher return 0; 322ca7a8e85SJeff Kirsher } 323ca7a8e85SJeff Kirsher 324ca7a8e85SJeff Kirsher /* Free the interrupt so that some other card can use it. */ 325ca7a8e85SJeff Kirsher outw(0x0f00, ioaddr + WN0_IRQ); 326ca7a8e85SJeff Kirsher 327ca7a8e85SJeff Kirsher el3_dev_fill(dev, phys_addr, ioaddr, isa_irq, if_port, EL3_ISA); 328ca7a8e85SJeff Kirsher dev_set_drvdata(pdev, dev); 329ca7a8e85SJeff Kirsher if (el3_common_init(dev)) { 330ca7a8e85SJeff Kirsher free_netdev(dev); 331ca7a8e85SJeff Kirsher return 0; 332ca7a8e85SJeff Kirsher } 333ca7a8e85SJeff Kirsher 334ca7a8e85SJeff Kirsher el3_devs[el3_cards++] = dev; 335ca7a8e85SJeff Kirsher return 1; 336ca7a8e85SJeff Kirsher } 337ca7a8e85SJeff Kirsher 33830e88d01SUwe Kleine-König static void el3_isa_remove(struct device *pdev, 339ca7a8e85SJeff Kirsher unsigned int ndev) 340ca7a8e85SJeff Kirsher { 341ca7a8e85SJeff Kirsher el3_device_remove(pdev); 342ca7a8e85SJeff Kirsher dev_set_drvdata(pdev, NULL); 343ca7a8e85SJeff Kirsher } 344ca7a8e85SJeff Kirsher 345ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 346ca7a8e85SJeff Kirsher static int el3_isa_suspend(struct device *dev, unsigned int n, 347ca7a8e85SJeff Kirsher pm_message_t state) 348ca7a8e85SJeff Kirsher { 349ca7a8e85SJeff Kirsher current_tag = 0; 350ca7a8e85SJeff Kirsher return el3_suspend(dev, state); 351ca7a8e85SJeff Kirsher } 352ca7a8e85SJeff Kirsher 353ca7a8e85SJeff Kirsher static int el3_isa_resume(struct device *dev, unsigned int n) 354ca7a8e85SJeff Kirsher { 355ca7a8e85SJeff Kirsher struct net_device *ndev = dev_get_drvdata(dev); 356ca7a8e85SJeff Kirsher int ioaddr = ndev->base_addr, err; 357ca7a8e85SJeff Kirsher __be16 phys_addr[3]; 358ca7a8e85SJeff Kirsher 359ca7a8e85SJeff Kirsher while ((err = el3_isa_id_sequence(phys_addr)) == 2) 360ca7a8e85SJeff Kirsher ; /* Skip to next card when PnP card found */ 361ca7a8e85SJeff Kirsher if (err == 1) 362ca7a8e85SJeff Kirsher return 0; 363ca7a8e85SJeff Kirsher /* Set the adaptor tag so that the next card can be found. */ 364ca7a8e85SJeff Kirsher outb(0xd0 + ++current_tag, id_port); 365ca7a8e85SJeff Kirsher /* Enable the card */ 366ca7a8e85SJeff Kirsher outb((ioaddr >> 4) | 0xe0, id_port); 367ca7a8e85SJeff Kirsher EL3WINDOW(0); 368ca7a8e85SJeff Kirsher if (inw(ioaddr) != 0x6d50) 369ca7a8e85SJeff Kirsher return 1; 370ca7a8e85SJeff Kirsher /* Free the interrupt so that some other card can use it. */ 371ca7a8e85SJeff Kirsher outw(0x0f00, ioaddr + WN0_IRQ); 372ca7a8e85SJeff Kirsher return el3_resume(dev); 373ca7a8e85SJeff Kirsher } 374ca7a8e85SJeff Kirsher #endif 375ca7a8e85SJeff Kirsher 376ca7a8e85SJeff Kirsher static struct isa_driver el3_isa_driver = { 377ca7a8e85SJeff Kirsher .match = el3_isa_match, 3782791cf7aSBill Pemberton .remove = el3_isa_remove, 379ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 380ca7a8e85SJeff Kirsher .suspend = el3_isa_suspend, 381ca7a8e85SJeff Kirsher .resume = el3_isa_resume, 382ca7a8e85SJeff Kirsher #endif 383ca7a8e85SJeff Kirsher .driver = { 384ca7a8e85SJeff Kirsher .name = "3c509" 385ca7a8e85SJeff Kirsher }, 386ca7a8e85SJeff Kirsher }; 387ca7a8e85SJeff Kirsher static int isa_registered; 388ca7a8e85SJeff Kirsher 389ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 390d369bcafSArvind Yadav static const struct pnp_device_id el3_pnp_ids[] = { 391ca7a8e85SJeff Kirsher { .id = "TCM5090" }, /* 3Com Etherlink III (TP) */ 392ca7a8e85SJeff Kirsher { .id = "TCM5091" }, /* 3Com Etherlink III */ 393ca7a8e85SJeff Kirsher { .id = "TCM5094" }, /* 3Com Etherlink III (combo) */ 394ca7a8e85SJeff Kirsher { .id = "TCM5095" }, /* 3Com Etherlink III (TPO) */ 395ca7a8e85SJeff Kirsher { .id = "TCM5098" }, /* 3Com Etherlink III (TPC) */ 396ca7a8e85SJeff Kirsher { .id = "PNP80f7" }, /* 3Com Etherlink III compatible */ 397ca7a8e85SJeff Kirsher { .id = "PNP80f8" }, /* 3Com Etherlink III compatible */ 398ca7a8e85SJeff Kirsher { .id = "" } 399ca7a8e85SJeff Kirsher }; 400ca7a8e85SJeff Kirsher MODULE_DEVICE_TABLE(pnp, el3_pnp_ids); 401ca7a8e85SJeff Kirsher 4021dd06ae8SGreg Kroah-Hartman static int el3_pnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *id) 403ca7a8e85SJeff Kirsher { 404ca7a8e85SJeff Kirsher short i; 405ca7a8e85SJeff Kirsher int ioaddr, irq, if_port; 406ca7a8e85SJeff Kirsher __be16 phys_addr[3]; 407ca7a8e85SJeff Kirsher struct net_device *dev = NULL; 408ca7a8e85SJeff Kirsher int err; 409ca7a8e85SJeff Kirsher 410ca7a8e85SJeff Kirsher ioaddr = pnp_port_start(pdev, 0); 411ca7a8e85SJeff Kirsher if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-pnp")) 412ca7a8e85SJeff Kirsher return -EBUSY; 413ca7a8e85SJeff Kirsher irq = pnp_irq(pdev, 0); 414ca7a8e85SJeff Kirsher EL3WINDOW(0); 415ca7a8e85SJeff Kirsher for (i = 0; i < 3; i++) 416ca7a8e85SJeff Kirsher phys_addr[i] = htons(read_eeprom(ioaddr, i)); 417ca7a8e85SJeff Kirsher if_port = read_eeprom(ioaddr, 8) >> 14; 418ca7a8e85SJeff Kirsher dev = alloc_etherdev(sizeof(struct el3_private)); 419ca7a8e85SJeff Kirsher if (!dev) { 420ca7a8e85SJeff Kirsher release_region(ioaddr, EL3_IO_EXTENT); 421ca7a8e85SJeff Kirsher return -ENOMEM; 422ca7a8e85SJeff Kirsher } 423ca7a8e85SJeff Kirsher SET_NETDEV_DEV(dev, &pdev->dev); 424ca7a8e85SJeff Kirsher netdev_boot_setup_check(dev); 425ca7a8e85SJeff Kirsher 426ca7a8e85SJeff Kirsher el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_PNP); 427ca7a8e85SJeff Kirsher pnp_set_drvdata(pdev, dev); 428ca7a8e85SJeff Kirsher err = el3_common_init(dev); 429ca7a8e85SJeff Kirsher 430ca7a8e85SJeff Kirsher if (err) { 431ca7a8e85SJeff Kirsher pnp_set_drvdata(pdev, NULL); 432ca7a8e85SJeff Kirsher free_netdev(dev); 433ca7a8e85SJeff Kirsher return err; 434ca7a8e85SJeff Kirsher } 435ca7a8e85SJeff Kirsher 436ca7a8e85SJeff Kirsher el3_devs[el3_cards++] = dev; 437ca7a8e85SJeff Kirsher return 0; 438ca7a8e85SJeff Kirsher } 439ca7a8e85SJeff Kirsher 4402791cf7aSBill Pemberton static void el3_pnp_remove(struct pnp_dev *pdev) 441ca7a8e85SJeff Kirsher { 442ca7a8e85SJeff Kirsher el3_common_remove(pnp_get_drvdata(pdev)); 443ca7a8e85SJeff Kirsher pnp_set_drvdata(pdev, NULL); 444ca7a8e85SJeff Kirsher } 445ca7a8e85SJeff Kirsher 446ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 447ca7a8e85SJeff Kirsher static int el3_pnp_suspend(struct pnp_dev *pdev, pm_message_t state) 448ca7a8e85SJeff Kirsher { 449ca7a8e85SJeff Kirsher return el3_suspend(&pdev->dev, state); 450ca7a8e85SJeff Kirsher } 451ca7a8e85SJeff Kirsher 452ca7a8e85SJeff Kirsher static int el3_pnp_resume(struct pnp_dev *pdev) 453ca7a8e85SJeff Kirsher { 454ca7a8e85SJeff Kirsher return el3_resume(&pdev->dev); 455ca7a8e85SJeff Kirsher } 456ca7a8e85SJeff Kirsher #endif 457ca7a8e85SJeff Kirsher 458ca7a8e85SJeff Kirsher static struct pnp_driver el3_pnp_driver = { 459ca7a8e85SJeff Kirsher .name = "3c509", 460ca7a8e85SJeff Kirsher .id_table = el3_pnp_ids, 461ca7a8e85SJeff Kirsher .probe = el3_pnp_probe, 4622791cf7aSBill Pemberton .remove = el3_pnp_remove, 463ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 464ca7a8e85SJeff Kirsher .suspend = el3_pnp_suspend, 465ca7a8e85SJeff Kirsher .resume = el3_pnp_resume, 466ca7a8e85SJeff Kirsher #endif 467ca7a8e85SJeff Kirsher }; 468ca7a8e85SJeff Kirsher static int pnp_registered; 469ca7a8e85SJeff Kirsher #endif /* CONFIG_PNP */ 470ca7a8e85SJeff Kirsher 471ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 4724ac5bc34SArvind Yadav static const struct eisa_device_id el3_eisa_ids[] = { 473ca7a8e85SJeff Kirsher { "TCM5090" }, 474ca7a8e85SJeff Kirsher { "TCM5091" }, 475ca7a8e85SJeff Kirsher { "TCM5092" }, 476ca7a8e85SJeff Kirsher { "TCM5093" }, 477ca7a8e85SJeff Kirsher { "TCM5094" }, 478ca7a8e85SJeff Kirsher { "TCM5095" }, 479ca7a8e85SJeff Kirsher { "TCM5098" }, 480ca7a8e85SJeff Kirsher { "" } 481ca7a8e85SJeff Kirsher }; 482ca7a8e85SJeff Kirsher MODULE_DEVICE_TABLE(eisa, el3_eisa_ids); 483ca7a8e85SJeff Kirsher 484ca7a8e85SJeff Kirsher static int el3_eisa_probe (struct device *device); 485ca7a8e85SJeff Kirsher 486ca7a8e85SJeff Kirsher static struct eisa_driver el3_eisa_driver = { 487ca7a8e85SJeff Kirsher .id_table = el3_eisa_ids, 488ca7a8e85SJeff Kirsher .driver = { 489ca7a8e85SJeff Kirsher .name = "3c579", 490ca7a8e85SJeff Kirsher .probe = el3_eisa_probe, 4912791cf7aSBill Pemberton .remove = el3_device_remove, 492ca7a8e85SJeff Kirsher .suspend = el3_suspend, 493ca7a8e85SJeff Kirsher .resume = el3_resume, 494ca7a8e85SJeff Kirsher } 495ca7a8e85SJeff Kirsher }; 496ca7a8e85SJeff Kirsher static int eisa_registered; 497ca7a8e85SJeff Kirsher #endif 498ca7a8e85SJeff Kirsher 499ca7a8e85SJeff Kirsher static const struct net_device_ops netdev_ops = { 500ca7a8e85SJeff Kirsher .ndo_open = el3_open, 501ca7a8e85SJeff Kirsher .ndo_stop = el3_close, 502ca7a8e85SJeff Kirsher .ndo_start_xmit = el3_start_xmit, 503ca7a8e85SJeff Kirsher .ndo_get_stats = el3_get_stats, 504afc4b13dSJiri Pirko .ndo_set_rx_mode = set_multicast_list, 505ca7a8e85SJeff Kirsher .ndo_tx_timeout = el3_tx_timeout, 506ca7a8e85SJeff Kirsher .ndo_set_mac_address = eth_mac_addr, 507ca7a8e85SJeff Kirsher .ndo_validate_addr = eth_validate_addr, 508ca7a8e85SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 509ca7a8e85SJeff Kirsher .ndo_poll_controller = el3_poll_controller, 510ca7a8e85SJeff Kirsher #endif 511ca7a8e85SJeff Kirsher }; 512ca7a8e85SJeff Kirsher 5132791cf7aSBill Pemberton static int el3_common_init(struct net_device *dev) 514ca7a8e85SJeff Kirsher { 515ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 516ca7a8e85SJeff Kirsher int err; 517ca7a8e85SJeff Kirsher const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"}; 518ca7a8e85SJeff Kirsher 519ca7a8e85SJeff Kirsher spin_lock_init(&lp->lock); 520ca7a8e85SJeff Kirsher 521ca7a8e85SJeff Kirsher if (dev->mem_start & 0x05) { /* xcvr codes 1/3/4/12 */ 522ca7a8e85SJeff Kirsher dev->if_port = (dev->mem_start & 0x0f); 523ca7a8e85SJeff Kirsher } else { /* xcvr codes 0/8 */ 524ca7a8e85SJeff Kirsher /* use eeprom value, but save user's full-duplex selection */ 525ca7a8e85SJeff Kirsher dev->if_port |= (dev->mem_start & 0x08); 526ca7a8e85SJeff Kirsher } 527ca7a8e85SJeff Kirsher 528ca7a8e85SJeff Kirsher /* The EL3-specific entries in the device structure. */ 529ca7a8e85SJeff Kirsher dev->netdev_ops = &netdev_ops; 530ca7a8e85SJeff Kirsher dev->watchdog_timeo = TX_TIMEOUT; 5317ad24ea4SWilfried Klaebe dev->ethtool_ops = ðtool_ops; 532ca7a8e85SJeff Kirsher 533ca7a8e85SJeff Kirsher err = register_netdev(dev); 534ca7a8e85SJeff Kirsher if (err) { 535ca7a8e85SJeff Kirsher pr_err("Failed to register 3c5x9 at %#3.3lx, IRQ %d.\n", 536ca7a8e85SJeff Kirsher dev->base_addr, dev->irq); 537ca7a8e85SJeff Kirsher release_region(dev->base_addr, EL3_IO_EXTENT); 538ca7a8e85SJeff Kirsher return err; 539ca7a8e85SJeff Kirsher } 540ca7a8e85SJeff Kirsher 541ca7a8e85SJeff Kirsher pr_info("%s: 3c5x9 found at %#3.3lx, %s port, address %pM, IRQ %d.\n", 542ca7a8e85SJeff Kirsher dev->name, dev->base_addr, if_names[(dev->if_port & 0x03)], 543ca7a8e85SJeff Kirsher dev->dev_addr, dev->irq); 544ca7a8e85SJeff Kirsher 545ca7a8e85SJeff Kirsher return 0; 546ca7a8e85SJeff Kirsher 547ca7a8e85SJeff Kirsher } 548ca7a8e85SJeff Kirsher 549ca7a8e85SJeff Kirsher static void el3_common_remove (struct net_device *dev) 550ca7a8e85SJeff Kirsher { 551ca7a8e85SJeff Kirsher unregister_netdev (dev); 552ca7a8e85SJeff Kirsher release_region(dev->base_addr, EL3_IO_EXTENT); 553ca7a8e85SJeff Kirsher free_netdev (dev); 554ca7a8e85SJeff Kirsher } 555ca7a8e85SJeff Kirsher 556ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 557cb4396edSFabian Frederick static int el3_eisa_probe(struct device *device) 558ca7a8e85SJeff Kirsher { 559ca7a8e85SJeff Kirsher short i; 560ca7a8e85SJeff Kirsher int ioaddr, irq, if_port; 561ca7a8e85SJeff Kirsher __be16 phys_addr[3]; 562ca7a8e85SJeff Kirsher struct net_device *dev = NULL; 563ca7a8e85SJeff Kirsher struct eisa_device *edev; 564ca7a8e85SJeff Kirsher int err; 565ca7a8e85SJeff Kirsher 566ca7a8e85SJeff Kirsher /* Yeepee, The driver framework is calling us ! */ 567ca7a8e85SJeff Kirsher edev = to_eisa_device (device); 568ca7a8e85SJeff Kirsher ioaddr = edev->base_addr; 569ca7a8e85SJeff Kirsher 570ca7a8e85SJeff Kirsher if (!request_region(ioaddr, EL3_IO_EXTENT, "3c579-eisa")) 571ca7a8e85SJeff Kirsher return -EBUSY; 572ca7a8e85SJeff Kirsher 573ca7a8e85SJeff Kirsher /* Change the register set to the configuration window 0. */ 574ca7a8e85SJeff Kirsher outw(SelectWindow | 0, ioaddr + 0xC80 + EL3_CMD); 575ca7a8e85SJeff Kirsher 576ca7a8e85SJeff Kirsher irq = inw(ioaddr + WN0_IRQ) >> 12; 577ca7a8e85SJeff Kirsher if_port = inw(ioaddr + 6)>>14; 578ca7a8e85SJeff Kirsher for (i = 0; i < 3; i++) 579ca7a8e85SJeff Kirsher phys_addr[i] = htons(read_eeprom(ioaddr, i)); 580ca7a8e85SJeff Kirsher 581ca7a8e85SJeff Kirsher /* Restore the "Product ID" to the EEPROM read register. */ 582ca7a8e85SJeff Kirsher read_eeprom(ioaddr, 3); 583ca7a8e85SJeff Kirsher 584ca7a8e85SJeff Kirsher dev = alloc_etherdev(sizeof (struct el3_private)); 585ca7a8e85SJeff Kirsher if (dev == NULL) { 586ca7a8e85SJeff Kirsher release_region(ioaddr, EL3_IO_EXTENT); 587ca7a8e85SJeff Kirsher return -ENOMEM; 588ca7a8e85SJeff Kirsher } 589ca7a8e85SJeff Kirsher 5903b54912fSMatthew Whitehead SET_NETDEV_DEV(dev, device); 591ca7a8e85SJeff Kirsher netdev_boot_setup_check(dev); 592ca7a8e85SJeff Kirsher 593ca7a8e85SJeff Kirsher el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA); 594ca7a8e85SJeff Kirsher eisa_set_drvdata (edev, dev); 595ca7a8e85SJeff Kirsher err = el3_common_init(dev); 596ca7a8e85SJeff Kirsher 597ca7a8e85SJeff Kirsher if (err) { 598ca7a8e85SJeff Kirsher eisa_set_drvdata (edev, NULL); 599ca7a8e85SJeff Kirsher free_netdev(dev); 600ca7a8e85SJeff Kirsher return err; 601ca7a8e85SJeff Kirsher } 602ca7a8e85SJeff Kirsher 603ca7a8e85SJeff Kirsher el3_devs[el3_cards++] = dev; 604ca7a8e85SJeff Kirsher return 0; 605ca7a8e85SJeff Kirsher } 606ca7a8e85SJeff Kirsher #endif 607ca7a8e85SJeff Kirsher 608ca7a8e85SJeff Kirsher /* This remove works for all device types. 609ca7a8e85SJeff Kirsher * 610ca7a8e85SJeff Kirsher * The net dev must be stored in the driver data field */ 6112791cf7aSBill Pemberton static int el3_device_remove(struct device *device) 612ca7a8e85SJeff Kirsher { 613ca7a8e85SJeff Kirsher struct net_device *dev; 614ca7a8e85SJeff Kirsher 615ca7a8e85SJeff Kirsher dev = dev_get_drvdata(device); 616ca7a8e85SJeff Kirsher 617ca7a8e85SJeff Kirsher el3_common_remove (dev); 618ca7a8e85SJeff Kirsher return 0; 619ca7a8e85SJeff Kirsher } 620ca7a8e85SJeff Kirsher 621ca7a8e85SJeff Kirsher /* Read a word from the EEPROM using the regular EEPROM access register. 622ca7a8e85SJeff Kirsher Assume that we are in register window zero. 623ca7a8e85SJeff Kirsher */ 624ca7a8e85SJeff Kirsher static ushort read_eeprom(int ioaddr, int index) 625ca7a8e85SJeff Kirsher { 626ca7a8e85SJeff Kirsher outw(EEPROM_READ + index, ioaddr + 10); 627ca7a8e85SJeff Kirsher /* Pause for at least 162 us. for the read to take place. 628ca7a8e85SJeff Kirsher Some chips seem to require much longer */ 629ca7a8e85SJeff Kirsher mdelay(2); 630ca7a8e85SJeff Kirsher return inw(ioaddr + 12); 631ca7a8e85SJeff Kirsher } 632ca7a8e85SJeff Kirsher 633ca7a8e85SJeff Kirsher /* Read a word from the EEPROM when in the ISA ID probe state. */ 634ca7a8e85SJeff Kirsher static ushort id_read_eeprom(int index) 635ca7a8e85SJeff Kirsher { 636ca7a8e85SJeff Kirsher int bit, word = 0; 637ca7a8e85SJeff Kirsher 638ca7a8e85SJeff Kirsher /* Issue read command, and pause for at least 162 us. for it to complete. 639ca7a8e85SJeff Kirsher Assume extra-fast 16Mhz bus. */ 640ca7a8e85SJeff Kirsher outb(EEPROM_READ + index, id_port); 641ca7a8e85SJeff Kirsher 642ca7a8e85SJeff Kirsher /* Pause for at least 162 us. for the read to take place. */ 643ca7a8e85SJeff Kirsher /* Some chips seem to require much longer */ 644ca7a8e85SJeff Kirsher mdelay(4); 645ca7a8e85SJeff Kirsher 646ca7a8e85SJeff Kirsher for (bit = 15; bit >= 0; bit--) 647ca7a8e85SJeff Kirsher word = (word << 1) + (inb(id_port) & 0x01); 648ca7a8e85SJeff Kirsher 649ca7a8e85SJeff Kirsher if (el3_debug > 3) 650ca7a8e85SJeff Kirsher pr_debug(" 3c509 EEPROM word %d %#4.4x.\n", index, word); 651ca7a8e85SJeff Kirsher 652ca7a8e85SJeff Kirsher return word; 653ca7a8e85SJeff Kirsher } 654ca7a8e85SJeff Kirsher 655ca7a8e85SJeff Kirsher 656ca7a8e85SJeff Kirsher static int 657ca7a8e85SJeff Kirsher el3_open(struct net_device *dev) 658ca7a8e85SJeff Kirsher { 659ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 660ca7a8e85SJeff Kirsher int i; 661ca7a8e85SJeff Kirsher 662ca7a8e85SJeff Kirsher outw(TxReset, ioaddr + EL3_CMD); 663ca7a8e85SJeff Kirsher outw(RxReset, ioaddr + EL3_CMD); 664ca7a8e85SJeff Kirsher outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD); 665ca7a8e85SJeff Kirsher 666ca7a8e85SJeff Kirsher i = request_irq(dev->irq, el3_interrupt, 0, dev->name, dev); 667ca7a8e85SJeff Kirsher if (i) 668ca7a8e85SJeff Kirsher return i; 669ca7a8e85SJeff Kirsher 670ca7a8e85SJeff Kirsher EL3WINDOW(0); 671ca7a8e85SJeff Kirsher if (el3_debug > 3) 672ca7a8e85SJeff Kirsher pr_debug("%s: Opening, IRQ %d status@%x %4.4x.\n", dev->name, 673ca7a8e85SJeff Kirsher dev->irq, ioaddr + EL3_STATUS, inw(ioaddr + EL3_STATUS)); 674ca7a8e85SJeff Kirsher 675ca7a8e85SJeff Kirsher el3_up(dev); 676ca7a8e85SJeff Kirsher 677ca7a8e85SJeff Kirsher if (el3_debug > 3) 678ca7a8e85SJeff Kirsher pr_debug("%s: Opened 3c509 IRQ %d status %4.4x.\n", 679ca7a8e85SJeff Kirsher dev->name, dev->irq, inw(ioaddr + EL3_STATUS)); 680ca7a8e85SJeff Kirsher 681ca7a8e85SJeff Kirsher return 0; 682ca7a8e85SJeff Kirsher } 683ca7a8e85SJeff Kirsher 684ca7a8e85SJeff Kirsher static void 6850290bd29SMichael S. Tsirkin el3_tx_timeout (struct net_device *dev, unsigned int txqueue) 686ca7a8e85SJeff Kirsher { 687ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 688ca7a8e85SJeff Kirsher 689ca7a8e85SJeff Kirsher /* Transmitter timeout, serious problems. */ 690fe3881cfSJoe Perches pr_warn("%s: transmit timed out, Tx_status %2.2x status %4.4x Tx FIFO room %d\n", 691ca7a8e85SJeff Kirsher dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS), 692ca7a8e85SJeff Kirsher inw(ioaddr + TX_FREE)); 693ca7a8e85SJeff Kirsher dev->stats.tx_errors++; 694860e9538SFlorian Westphal netif_trans_update(dev); /* prevent tx timeout */ 695ca7a8e85SJeff Kirsher /* Issue TX_RESET and TX_START commands. */ 696ca7a8e85SJeff Kirsher outw(TxReset, ioaddr + EL3_CMD); 697ca7a8e85SJeff Kirsher outw(TxEnable, ioaddr + EL3_CMD); 698ca7a8e85SJeff Kirsher netif_wake_queue(dev); 699ca7a8e85SJeff Kirsher } 700ca7a8e85SJeff Kirsher 701ca7a8e85SJeff Kirsher 702ca7a8e85SJeff Kirsher static netdev_tx_t 703ca7a8e85SJeff Kirsher el3_start_xmit(struct sk_buff *skb, struct net_device *dev) 704ca7a8e85SJeff Kirsher { 705ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 706ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 707ca7a8e85SJeff Kirsher unsigned long flags; 708ca7a8e85SJeff Kirsher 709ca7a8e85SJeff Kirsher netif_stop_queue (dev); 710ca7a8e85SJeff Kirsher 711ca7a8e85SJeff Kirsher dev->stats.tx_bytes += skb->len; 712ca7a8e85SJeff Kirsher 713ca7a8e85SJeff Kirsher if (el3_debug > 4) { 714ca7a8e85SJeff Kirsher pr_debug("%s: el3_start_xmit(length = %u) called, status %4.4x.\n", 715ca7a8e85SJeff Kirsher dev->name, skb->len, inw(ioaddr + EL3_STATUS)); 716ca7a8e85SJeff Kirsher } 717ca7a8e85SJeff Kirsher /* 718ca7a8e85SJeff Kirsher * We lock the driver against other processors. Note 719ca7a8e85SJeff Kirsher * we don't need to lock versus the IRQ as we suspended 720ca7a8e85SJeff Kirsher * that. This means that we lose the ability to take 721ca7a8e85SJeff Kirsher * an RX during a TX upload. That sucks a bit with SMP 722ca7a8e85SJeff Kirsher * on an original 3c509 (2K buffer) 723ca7a8e85SJeff Kirsher * 724ca7a8e85SJeff Kirsher * Using disable_irq stops us crapping on other 725ca7a8e85SJeff Kirsher * time sensitive devices. 726ca7a8e85SJeff Kirsher */ 727ca7a8e85SJeff Kirsher 728ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 729ca7a8e85SJeff Kirsher 730ca7a8e85SJeff Kirsher /* Put out the doubleword header... */ 731ca7a8e85SJeff Kirsher outw(skb->len, ioaddr + TX_FIFO); 732ca7a8e85SJeff Kirsher outw(0x00, ioaddr + TX_FIFO); 733ca7a8e85SJeff Kirsher /* ... and the packet rounded to a doubleword. */ 734ca7a8e85SJeff Kirsher outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); 735ca7a8e85SJeff Kirsher 736ca7a8e85SJeff Kirsher if (inw(ioaddr + TX_FREE) > 1536) 737ca7a8e85SJeff Kirsher netif_start_queue(dev); 738ca7a8e85SJeff Kirsher else 739ca7a8e85SJeff Kirsher /* Interrupt us when the FIFO has room for max-sized packet. */ 740ca7a8e85SJeff Kirsher outw(SetTxThreshold + 1536, ioaddr + EL3_CMD); 741ca7a8e85SJeff Kirsher 742ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 743ca7a8e85SJeff Kirsher 7448fa9524dSEric W. Biederman dev_consume_skb_any (skb); 745ca7a8e85SJeff Kirsher 746ca7a8e85SJeff Kirsher /* Clear the Tx status stack. */ 747ca7a8e85SJeff Kirsher { 748ca7a8e85SJeff Kirsher short tx_status; 749ca7a8e85SJeff Kirsher int i = 4; 750ca7a8e85SJeff Kirsher 751ca7a8e85SJeff Kirsher while (--i > 0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) { 752ca7a8e85SJeff Kirsher if (tx_status & 0x38) dev->stats.tx_aborted_errors++; 753ca7a8e85SJeff Kirsher if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD); 754ca7a8e85SJeff Kirsher if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD); 755ca7a8e85SJeff Kirsher outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ 756ca7a8e85SJeff Kirsher } 757ca7a8e85SJeff Kirsher } 758ca7a8e85SJeff Kirsher return NETDEV_TX_OK; 759ca7a8e85SJeff Kirsher } 760ca7a8e85SJeff Kirsher 761ca7a8e85SJeff Kirsher /* The EL3 interrupt handler. */ 762ca7a8e85SJeff Kirsher static irqreturn_t 763ca7a8e85SJeff Kirsher el3_interrupt(int irq, void *dev_id) 764ca7a8e85SJeff Kirsher { 765ca7a8e85SJeff Kirsher struct net_device *dev = dev_id; 766ca7a8e85SJeff Kirsher struct el3_private *lp; 767ca7a8e85SJeff Kirsher int ioaddr, status; 768ca7a8e85SJeff Kirsher int i = max_interrupt_work; 769ca7a8e85SJeff Kirsher 770ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 771ca7a8e85SJeff Kirsher spin_lock(&lp->lock); 772ca7a8e85SJeff Kirsher 773ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 774ca7a8e85SJeff Kirsher 775ca7a8e85SJeff Kirsher if (el3_debug > 4) { 776ca7a8e85SJeff Kirsher status = inw(ioaddr + EL3_STATUS); 777ca7a8e85SJeff Kirsher pr_debug("%s: interrupt, status %4.4x.\n", dev->name, status); 778ca7a8e85SJeff Kirsher } 779ca7a8e85SJeff Kirsher 780ca7a8e85SJeff Kirsher while ((status = inw(ioaddr + EL3_STATUS)) & 781ca7a8e85SJeff Kirsher (IntLatch | RxComplete | StatsFull)) { 782ca7a8e85SJeff Kirsher 783ca7a8e85SJeff Kirsher if (status & RxComplete) 784ca7a8e85SJeff Kirsher el3_rx(dev); 785ca7a8e85SJeff Kirsher 786ca7a8e85SJeff Kirsher if (status & TxAvailable) { 787ca7a8e85SJeff Kirsher if (el3_debug > 5) 788ca7a8e85SJeff Kirsher pr_debug(" TX room bit was handled.\n"); 789ca7a8e85SJeff Kirsher /* There's room in the FIFO for a full-sized packet. */ 790ca7a8e85SJeff Kirsher outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); 791ca7a8e85SJeff Kirsher netif_wake_queue (dev); 792ca7a8e85SJeff Kirsher } 793ca7a8e85SJeff Kirsher if (status & (AdapterFailure | RxEarly | StatsFull | TxComplete)) { 794ca7a8e85SJeff Kirsher /* Handle all uncommon interrupts. */ 795ca7a8e85SJeff Kirsher if (status & StatsFull) /* Empty statistics. */ 796ca7a8e85SJeff Kirsher update_stats(dev); 797ca7a8e85SJeff Kirsher if (status & RxEarly) { /* Rx early is unused. */ 798ca7a8e85SJeff Kirsher el3_rx(dev); 799ca7a8e85SJeff Kirsher outw(AckIntr | RxEarly, ioaddr + EL3_CMD); 800ca7a8e85SJeff Kirsher } 801ca7a8e85SJeff Kirsher if (status & TxComplete) { /* Really Tx error. */ 802ca7a8e85SJeff Kirsher short tx_status; 803ca7a8e85SJeff Kirsher int i = 4; 804ca7a8e85SJeff Kirsher 805ca7a8e85SJeff Kirsher while (--i>0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) { 806ca7a8e85SJeff Kirsher if (tx_status & 0x38) dev->stats.tx_aborted_errors++; 807ca7a8e85SJeff Kirsher if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD); 808ca7a8e85SJeff Kirsher if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD); 809ca7a8e85SJeff Kirsher outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ 810ca7a8e85SJeff Kirsher } 811ca7a8e85SJeff Kirsher } 812ca7a8e85SJeff Kirsher if (status & AdapterFailure) { 813ca7a8e85SJeff Kirsher /* Adapter failure requires Rx reset and reinit. */ 814ca7a8e85SJeff Kirsher outw(RxReset, ioaddr + EL3_CMD); 815ca7a8e85SJeff Kirsher /* Set the Rx filter to the current state. */ 816ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast 817ca7a8e85SJeff Kirsher | (dev->flags & IFF_ALLMULTI ? RxMulticast : 0) 818ca7a8e85SJeff Kirsher | (dev->flags & IFF_PROMISC ? RxProm : 0), 819ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 820ca7a8e85SJeff Kirsher outw(RxEnable, ioaddr + EL3_CMD); /* Re-enable the receiver. */ 821ca7a8e85SJeff Kirsher outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); 822ca7a8e85SJeff Kirsher } 823ca7a8e85SJeff Kirsher } 824ca7a8e85SJeff Kirsher 825ca7a8e85SJeff Kirsher if (--i < 0) { 826ca7a8e85SJeff Kirsher pr_err("%s: Infinite loop in interrupt, status %4.4x.\n", 827ca7a8e85SJeff Kirsher dev->name, status); 828ca7a8e85SJeff Kirsher /* Clear all interrupts. */ 829ca7a8e85SJeff Kirsher outw(AckIntr | 0xFF, ioaddr + EL3_CMD); 830ca7a8e85SJeff Kirsher break; 831ca7a8e85SJeff Kirsher } 832ca7a8e85SJeff Kirsher /* Acknowledge the IRQ. */ 833ca7a8e85SJeff Kirsher outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); /* Ack IRQ */ 834ca7a8e85SJeff Kirsher } 835ca7a8e85SJeff Kirsher 836ca7a8e85SJeff Kirsher if (el3_debug > 4) { 837ca7a8e85SJeff Kirsher pr_debug("%s: exiting interrupt, status %4.4x.\n", dev->name, 838ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS)); 839ca7a8e85SJeff Kirsher } 840ca7a8e85SJeff Kirsher spin_unlock(&lp->lock); 841ca7a8e85SJeff Kirsher return IRQ_HANDLED; 842ca7a8e85SJeff Kirsher } 843ca7a8e85SJeff Kirsher 844ca7a8e85SJeff Kirsher 845ca7a8e85SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 846ca7a8e85SJeff Kirsher /* 847ca7a8e85SJeff Kirsher * Polling receive - used by netconsole and other diagnostic tools 848ca7a8e85SJeff Kirsher * to allow network i/o with interrupts disabled. 849ca7a8e85SJeff Kirsher */ 850ca7a8e85SJeff Kirsher static void el3_poll_controller(struct net_device *dev) 851ca7a8e85SJeff Kirsher { 852ca7a8e85SJeff Kirsher disable_irq(dev->irq); 853ca7a8e85SJeff Kirsher el3_interrupt(dev->irq, dev); 854ca7a8e85SJeff Kirsher enable_irq(dev->irq); 855ca7a8e85SJeff Kirsher } 856ca7a8e85SJeff Kirsher #endif 857ca7a8e85SJeff Kirsher 858ca7a8e85SJeff Kirsher static struct net_device_stats * 859ca7a8e85SJeff Kirsher el3_get_stats(struct net_device *dev) 860ca7a8e85SJeff Kirsher { 861ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 862ca7a8e85SJeff Kirsher unsigned long flags; 863ca7a8e85SJeff Kirsher 864ca7a8e85SJeff Kirsher /* 865ca7a8e85SJeff Kirsher * This is fast enough not to bother with disable IRQ 866ca7a8e85SJeff Kirsher * stuff. 867ca7a8e85SJeff Kirsher */ 868ca7a8e85SJeff Kirsher 869ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 870ca7a8e85SJeff Kirsher update_stats(dev); 871ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 872ca7a8e85SJeff Kirsher return &dev->stats; 873ca7a8e85SJeff Kirsher } 874ca7a8e85SJeff Kirsher 875ca7a8e85SJeff Kirsher /* Update statistics. We change to register window 6, so this should be run 876ca7a8e85SJeff Kirsher single-threaded if the device is active. This is expected to be a rare 877ca7a8e85SJeff Kirsher operation, and it's simpler for the rest of the driver to assume that 878ca7a8e85SJeff Kirsher window 1 is always valid rather than use a special window-state variable. 879ca7a8e85SJeff Kirsher */ 880ca7a8e85SJeff Kirsher static void update_stats(struct net_device *dev) 881ca7a8e85SJeff Kirsher { 882ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 883ca7a8e85SJeff Kirsher 884ca7a8e85SJeff Kirsher if (el3_debug > 5) 885ca7a8e85SJeff Kirsher pr_debug(" Updating the statistics.\n"); 886ca7a8e85SJeff Kirsher /* Turn off statistics updates while reading. */ 887ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 888ca7a8e85SJeff Kirsher /* Switch to the stats window, and read everything. */ 889ca7a8e85SJeff Kirsher EL3WINDOW(6); 890ca7a8e85SJeff Kirsher dev->stats.tx_carrier_errors += inb(ioaddr + 0); 891ca7a8e85SJeff Kirsher dev->stats.tx_heartbeat_errors += inb(ioaddr + 1); 892ca7a8e85SJeff Kirsher /* Multiple collisions. */ inb(ioaddr + 2); 893ca7a8e85SJeff Kirsher dev->stats.collisions += inb(ioaddr + 3); 894ca7a8e85SJeff Kirsher dev->stats.tx_window_errors += inb(ioaddr + 4); 895ca7a8e85SJeff Kirsher dev->stats.rx_fifo_errors += inb(ioaddr + 5); 896ca7a8e85SJeff Kirsher dev->stats.tx_packets += inb(ioaddr + 6); 897ca7a8e85SJeff Kirsher /* Rx packets */ inb(ioaddr + 7); 898ca7a8e85SJeff Kirsher /* Tx deferrals */ inb(ioaddr + 8); 899ca7a8e85SJeff Kirsher inw(ioaddr + 10); /* Total Rx and Tx octets. */ 900ca7a8e85SJeff Kirsher inw(ioaddr + 12); 901ca7a8e85SJeff Kirsher 902ca7a8e85SJeff Kirsher /* Back to window 1, and turn statistics back on. */ 903ca7a8e85SJeff Kirsher EL3WINDOW(1); 904ca7a8e85SJeff Kirsher outw(StatsEnable, ioaddr + EL3_CMD); 905ca7a8e85SJeff Kirsher } 906ca7a8e85SJeff Kirsher 907ca7a8e85SJeff Kirsher static int 908ca7a8e85SJeff Kirsher el3_rx(struct net_device *dev) 909ca7a8e85SJeff Kirsher { 910ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 911ca7a8e85SJeff Kirsher short rx_status; 912ca7a8e85SJeff Kirsher 913ca7a8e85SJeff Kirsher if (el3_debug > 5) 914ca7a8e85SJeff Kirsher pr_debug(" In rx_packet(), status %4.4x, rx_status %4.4x.\n", 915ca7a8e85SJeff Kirsher inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); 916ca7a8e85SJeff Kirsher while ((rx_status = inw(ioaddr + RX_STATUS)) > 0) { 917ca7a8e85SJeff Kirsher if (rx_status & 0x4000) { /* Error, update stats. */ 918ca7a8e85SJeff Kirsher short error = rx_status & 0x3800; 919ca7a8e85SJeff Kirsher 920ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); 921ca7a8e85SJeff Kirsher dev->stats.rx_errors++; 922ca7a8e85SJeff Kirsher switch (error) { 923ca7a8e85SJeff Kirsher case 0x0000: dev->stats.rx_over_errors++; break; 924ca7a8e85SJeff Kirsher case 0x0800: dev->stats.rx_length_errors++; break; 925ca7a8e85SJeff Kirsher case 0x1000: dev->stats.rx_frame_errors++; break; 926ca7a8e85SJeff Kirsher case 0x1800: dev->stats.rx_length_errors++; break; 927ca7a8e85SJeff Kirsher case 0x2000: dev->stats.rx_frame_errors++; break; 928ca7a8e85SJeff Kirsher case 0x2800: dev->stats.rx_crc_errors++; break; 929ca7a8e85SJeff Kirsher } 930ca7a8e85SJeff Kirsher } else { 931ca7a8e85SJeff Kirsher short pkt_len = rx_status & 0x7ff; 932ca7a8e85SJeff Kirsher struct sk_buff *skb; 933ca7a8e85SJeff Kirsher 9341d266430SPradeep A Dalvi skb = netdev_alloc_skb(dev, pkt_len + 5); 935ca7a8e85SJeff Kirsher if (el3_debug > 4) 936ca7a8e85SJeff Kirsher pr_debug("Receiving packet size %d status %4.4x.\n", 937ca7a8e85SJeff Kirsher pkt_len, rx_status); 938ca7a8e85SJeff Kirsher if (skb != NULL) { 939ca7a8e85SJeff Kirsher skb_reserve(skb, 2); /* Align IP on 16 byte */ 940ca7a8e85SJeff Kirsher 941ca7a8e85SJeff Kirsher /* 'skb->data' points to the start of sk_buff data area. */ 942ca7a8e85SJeff Kirsher insl(ioaddr + RX_FIFO, skb_put(skb,pkt_len), 943ca7a8e85SJeff Kirsher (pkt_len + 3) >> 2); 944ca7a8e85SJeff Kirsher 945ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); /* Pop top Rx packet. */ 946ca7a8e85SJeff Kirsher skb->protocol = eth_type_trans(skb,dev); 947ca7a8e85SJeff Kirsher netif_rx(skb); 948ca7a8e85SJeff Kirsher dev->stats.rx_bytes += pkt_len; 949ca7a8e85SJeff Kirsher dev->stats.rx_packets++; 950ca7a8e85SJeff Kirsher continue; 951ca7a8e85SJeff Kirsher } 952ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); 953ca7a8e85SJeff Kirsher dev->stats.rx_dropped++; 954ca7a8e85SJeff Kirsher if (el3_debug) 955ca7a8e85SJeff Kirsher pr_debug("%s: Couldn't allocate a sk_buff of size %d.\n", 956ca7a8e85SJeff Kirsher dev->name, pkt_len); 957ca7a8e85SJeff Kirsher } 958ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS); /* Delay. */ 959ca7a8e85SJeff Kirsher while (inw(ioaddr + EL3_STATUS) & 0x1000) 960ca7a8e85SJeff Kirsher pr_debug(" Waiting for 3c509 to discard packet, status %x.\n", 961ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS) ); 962ca7a8e85SJeff Kirsher } 963ca7a8e85SJeff Kirsher 964ca7a8e85SJeff Kirsher return 0; 965ca7a8e85SJeff Kirsher } 966ca7a8e85SJeff Kirsher 967ca7a8e85SJeff Kirsher /* 968ca7a8e85SJeff Kirsher * Set or clear the multicast filter for this adaptor. 969ca7a8e85SJeff Kirsher */ 970ca7a8e85SJeff Kirsher static void 971ca7a8e85SJeff Kirsher set_multicast_list(struct net_device *dev) 972ca7a8e85SJeff Kirsher { 973ca7a8e85SJeff Kirsher unsigned long flags; 974ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 975ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 976ca7a8e85SJeff Kirsher int mc_count = netdev_mc_count(dev); 977ca7a8e85SJeff Kirsher 978ca7a8e85SJeff Kirsher if (el3_debug > 1) { 979ca7a8e85SJeff Kirsher static int old; 980ca7a8e85SJeff Kirsher if (old != mc_count) { 981ca7a8e85SJeff Kirsher old = mc_count; 982ca7a8e85SJeff Kirsher pr_debug("%s: Setting Rx mode to %d addresses.\n", 983ca7a8e85SJeff Kirsher dev->name, mc_count); 984ca7a8e85SJeff Kirsher } 985ca7a8e85SJeff Kirsher } 986ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 987ca7a8e85SJeff Kirsher if (dev->flags&IFF_PROMISC) { 988ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast | RxProm, 989ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 990ca7a8e85SJeff Kirsher } 991ca7a8e85SJeff Kirsher else if (mc_count || (dev->flags&IFF_ALLMULTI)) { 992ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast, ioaddr + EL3_CMD); 993ca7a8e85SJeff Kirsher } 994ca7a8e85SJeff Kirsher else 995ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); 996ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 997ca7a8e85SJeff Kirsher } 998ca7a8e85SJeff Kirsher 999ca7a8e85SJeff Kirsher static int 1000ca7a8e85SJeff Kirsher el3_close(struct net_device *dev) 1001ca7a8e85SJeff Kirsher { 1002ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1003ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1004ca7a8e85SJeff Kirsher 1005ca7a8e85SJeff Kirsher if (el3_debug > 2) 1006ca7a8e85SJeff Kirsher pr_debug("%s: Shutting down ethercard.\n", dev->name); 1007ca7a8e85SJeff Kirsher 1008ca7a8e85SJeff Kirsher el3_down(dev); 1009ca7a8e85SJeff Kirsher 1010ca7a8e85SJeff Kirsher free_irq(dev->irq, dev); 1011ca7a8e85SJeff Kirsher /* Switching back to window 0 disables the IRQ. */ 1012ca7a8e85SJeff Kirsher EL3WINDOW(0); 1013ca7a8e85SJeff Kirsher if (lp->type != EL3_EISA) { 1014ca7a8e85SJeff Kirsher /* But we explicitly zero the IRQ line select anyway. Don't do 1015ca7a8e85SJeff Kirsher * it on EISA cards, it prevents the module from getting an 1016ca7a8e85SJeff Kirsher * IRQ after unload+reload... */ 1017ca7a8e85SJeff Kirsher outw(0x0f00, ioaddr + WN0_IRQ); 1018ca7a8e85SJeff Kirsher } 1019ca7a8e85SJeff Kirsher 1020ca7a8e85SJeff Kirsher return 0; 1021ca7a8e85SJeff Kirsher } 1022ca7a8e85SJeff Kirsher 1023ca7a8e85SJeff Kirsher static int 1024ca7a8e85SJeff Kirsher el3_link_ok(struct net_device *dev) 1025ca7a8e85SJeff Kirsher { 1026ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1027ca7a8e85SJeff Kirsher u16 tmp; 1028ca7a8e85SJeff Kirsher 1029ca7a8e85SJeff Kirsher EL3WINDOW(4); 1030ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_MEDIA); 1031ca7a8e85SJeff Kirsher EL3WINDOW(1); 1032ca7a8e85SJeff Kirsher return tmp & (1<<11); 1033ca7a8e85SJeff Kirsher } 1034ca7a8e85SJeff Kirsher 1035697dae1eSyuval.shaia@oracle.com static void 1036b646cf29SPhilippe Reynes el3_netdev_get_ecmd(struct net_device *dev, struct ethtool_link_ksettings *cmd) 1037ca7a8e85SJeff Kirsher { 1038ca7a8e85SJeff Kirsher u16 tmp; 1039ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1040b646cf29SPhilippe Reynes u32 supported; 1041ca7a8e85SJeff Kirsher 1042ca7a8e85SJeff Kirsher EL3WINDOW(0); 1043ca7a8e85SJeff Kirsher /* obtain current transceiver via WN4_MEDIA? */ 1044ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1045ca7a8e85SJeff Kirsher switch (tmp >> 14) { 1046ca7a8e85SJeff Kirsher case 0: 1047b646cf29SPhilippe Reynes cmd->base.port = PORT_TP; 1048ca7a8e85SJeff Kirsher break; 1049ca7a8e85SJeff Kirsher case 1: 1050b646cf29SPhilippe Reynes cmd->base.port = PORT_AUI; 1051ca7a8e85SJeff Kirsher break; 1052ca7a8e85SJeff Kirsher case 3: 1053b646cf29SPhilippe Reynes cmd->base.port = PORT_BNC; 1054*097c8ff0SGustavo A. R. Silva break; 1055ca7a8e85SJeff Kirsher default: 1056ca7a8e85SJeff Kirsher break; 1057ca7a8e85SJeff Kirsher } 1058ca7a8e85SJeff Kirsher 1059b646cf29SPhilippe Reynes cmd->base.duplex = DUPLEX_HALF; 1060b646cf29SPhilippe Reynes supported = 0; 1061ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_CONF_CTRL); 1062ca7a8e85SJeff Kirsher if (tmp & (1<<13)) 1063b646cf29SPhilippe Reynes supported |= SUPPORTED_AUI; 1064ca7a8e85SJeff Kirsher if (tmp & (1<<12)) 1065b646cf29SPhilippe Reynes supported |= SUPPORTED_BNC; 1066ca7a8e85SJeff Kirsher if (tmp & (1<<9)) { 1067b646cf29SPhilippe Reynes supported |= SUPPORTED_TP | SUPPORTED_10baseT_Half | 1068ca7a8e85SJeff Kirsher SUPPORTED_10baseT_Full; /* hmm... */ 1069ca7a8e85SJeff Kirsher EL3WINDOW(4); 1070ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_NETDIAG); 1071ca7a8e85SJeff Kirsher if (tmp & FD_ENABLE) 1072b646cf29SPhilippe Reynes cmd->base.duplex = DUPLEX_FULL; 1073ca7a8e85SJeff Kirsher } 1074ca7a8e85SJeff Kirsher 1075b646cf29SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 1076b646cf29SPhilippe Reynes supported); 1077b646cf29SPhilippe Reynes cmd->base.speed = SPEED_10; 1078ca7a8e85SJeff Kirsher EL3WINDOW(1); 1079ca7a8e85SJeff Kirsher } 1080ca7a8e85SJeff Kirsher 1081ca7a8e85SJeff Kirsher static int 1082b646cf29SPhilippe Reynes el3_netdev_set_ecmd(struct net_device *dev, 1083b646cf29SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 1084ca7a8e85SJeff Kirsher { 1085ca7a8e85SJeff Kirsher u16 tmp; 1086ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1087ca7a8e85SJeff Kirsher 1088b646cf29SPhilippe Reynes if (cmd->base.speed != SPEED_10) 1089ca7a8e85SJeff Kirsher return -EINVAL; 1090b646cf29SPhilippe Reynes if ((cmd->base.duplex != DUPLEX_HALF) && 1091b646cf29SPhilippe Reynes (cmd->base.duplex != DUPLEX_FULL)) 1092ca7a8e85SJeff Kirsher return -EINVAL; 1093ca7a8e85SJeff Kirsher 1094ca7a8e85SJeff Kirsher /* change XCVR type */ 1095ca7a8e85SJeff Kirsher EL3WINDOW(0); 1096ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1097b646cf29SPhilippe Reynes switch (cmd->base.port) { 1098ca7a8e85SJeff Kirsher case PORT_TP: 1099ca7a8e85SJeff Kirsher tmp &= ~(3<<14); 1100ca7a8e85SJeff Kirsher dev->if_port = 0; 1101ca7a8e85SJeff Kirsher break; 1102ca7a8e85SJeff Kirsher case PORT_AUI: 1103ca7a8e85SJeff Kirsher tmp |= (1<<14); 1104ca7a8e85SJeff Kirsher dev->if_port = 1; 1105ca7a8e85SJeff Kirsher break; 1106ca7a8e85SJeff Kirsher case PORT_BNC: 1107ca7a8e85SJeff Kirsher tmp |= (3<<14); 1108ca7a8e85SJeff Kirsher dev->if_port = 3; 1109ca7a8e85SJeff Kirsher break; 1110ca7a8e85SJeff Kirsher default: 1111ca7a8e85SJeff Kirsher return -EINVAL; 1112ca7a8e85SJeff Kirsher } 1113ca7a8e85SJeff Kirsher 1114ca7a8e85SJeff Kirsher outw(tmp, ioaddr + WN0_ADDR_CONF); 1115ca7a8e85SJeff Kirsher if (dev->if_port == 3) { 1116ca7a8e85SJeff Kirsher /* fire up the DC-DC convertor if BNC gets enabled */ 1117ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1118ca7a8e85SJeff Kirsher if (tmp & (3 << 14)) { 1119ca7a8e85SJeff Kirsher outw(StartCoax, ioaddr + EL3_CMD); 1120ca7a8e85SJeff Kirsher udelay(800); 1121ca7a8e85SJeff Kirsher } else 1122ca7a8e85SJeff Kirsher return -EIO; 1123ca7a8e85SJeff Kirsher } 1124ca7a8e85SJeff Kirsher 1125ca7a8e85SJeff Kirsher EL3WINDOW(4); 1126ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_NETDIAG); 1127b646cf29SPhilippe Reynes if (cmd->base.duplex == DUPLEX_FULL) 1128ca7a8e85SJeff Kirsher tmp |= FD_ENABLE; 1129ca7a8e85SJeff Kirsher else 1130ca7a8e85SJeff Kirsher tmp &= ~FD_ENABLE; 1131ca7a8e85SJeff Kirsher outw(tmp, ioaddr + WN4_NETDIAG); 1132ca7a8e85SJeff Kirsher EL3WINDOW(1); 1133ca7a8e85SJeff Kirsher 1134ca7a8e85SJeff Kirsher return 0; 1135ca7a8e85SJeff Kirsher } 1136ca7a8e85SJeff Kirsher 1137ca7a8e85SJeff Kirsher static void el3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 1138ca7a8e85SJeff Kirsher { 11397826d43fSJiri Pirko strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 1140ca7a8e85SJeff Kirsher } 1141ca7a8e85SJeff Kirsher 1142b646cf29SPhilippe Reynes static int el3_get_link_ksettings(struct net_device *dev, 1143b646cf29SPhilippe Reynes struct ethtool_link_ksettings *cmd) 1144ca7a8e85SJeff Kirsher { 1145ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1146ca7a8e85SJeff Kirsher 1147ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1148697dae1eSyuval.shaia@oracle.com el3_netdev_get_ecmd(dev, cmd); 1149ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1150697dae1eSyuval.shaia@oracle.com return 0; 1151ca7a8e85SJeff Kirsher } 1152ca7a8e85SJeff Kirsher 1153b646cf29SPhilippe Reynes static int el3_set_link_ksettings(struct net_device *dev, 1154b646cf29SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 1155ca7a8e85SJeff Kirsher { 1156ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1157ca7a8e85SJeff Kirsher int ret; 1158ca7a8e85SJeff Kirsher 1159ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1160b646cf29SPhilippe Reynes ret = el3_netdev_set_ecmd(dev, cmd); 1161ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1162ca7a8e85SJeff Kirsher return ret; 1163ca7a8e85SJeff Kirsher } 1164ca7a8e85SJeff Kirsher 1165ca7a8e85SJeff Kirsher static u32 el3_get_link(struct net_device *dev) 1166ca7a8e85SJeff Kirsher { 1167ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1168ca7a8e85SJeff Kirsher u32 ret; 1169ca7a8e85SJeff Kirsher 1170ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1171ca7a8e85SJeff Kirsher ret = el3_link_ok(dev); 1172ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1173ca7a8e85SJeff Kirsher return ret; 1174ca7a8e85SJeff Kirsher } 1175ca7a8e85SJeff Kirsher 1176ca7a8e85SJeff Kirsher static u32 el3_get_msglevel(struct net_device *dev) 1177ca7a8e85SJeff Kirsher { 1178ca7a8e85SJeff Kirsher return el3_debug; 1179ca7a8e85SJeff Kirsher } 1180ca7a8e85SJeff Kirsher 1181ca7a8e85SJeff Kirsher static void el3_set_msglevel(struct net_device *dev, u32 v) 1182ca7a8e85SJeff Kirsher { 1183ca7a8e85SJeff Kirsher el3_debug = v; 1184ca7a8e85SJeff Kirsher } 1185ca7a8e85SJeff Kirsher 1186ca7a8e85SJeff Kirsher static const struct ethtool_ops ethtool_ops = { 1187ca7a8e85SJeff Kirsher .get_drvinfo = el3_get_drvinfo, 1188ca7a8e85SJeff Kirsher .get_link = el3_get_link, 1189ca7a8e85SJeff Kirsher .get_msglevel = el3_get_msglevel, 1190ca7a8e85SJeff Kirsher .set_msglevel = el3_set_msglevel, 1191b646cf29SPhilippe Reynes .get_link_ksettings = el3_get_link_ksettings, 1192b646cf29SPhilippe Reynes .set_link_ksettings = el3_set_link_ksettings, 1193ca7a8e85SJeff Kirsher }; 1194ca7a8e85SJeff Kirsher 1195ca7a8e85SJeff Kirsher static void 1196ca7a8e85SJeff Kirsher el3_down(struct net_device *dev) 1197ca7a8e85SJeff Kirsher { 1198ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1199ca7a8e85SJeff Kirsher 1200ca7a8e85SJeff Kirsher netif_stop_queue(dev); 1201ca7a8e85SJeff Kirsher 1202ca7a8e85SJeff Kirsher /* Turn off statistics ASAP. We update lp->stats below. */ 1203ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 1204ca7a8e85SJeff Kirsher 1205ca7a8e85SJeff Kirsher /* Disable the receiver and transmitter. */ 1206ca7a8e85SJeff Kirsher outw(RxDisable, ioaddr + EL3_CMD); 1207ca7a8e85SJeff Kirsher outw(TxDisable, ioaddr + EL3_CMD); 1208ca7a8e85SJeff Kirsher 1209ca7a8e85SJeff Kirsher if (dev->if_port == 3) 1210ca7a8e85SJeff Kirsher /* Turn off thinnet power. Green! */ 1211ca7a8e85SJeff Kirsher outw(StopCoax, ioaddr + EL3_CMD); 1212ca7a8e85SJeff Kirsher else if (dev->if_port == 0) { 1213ca7a8e85SJeff Kirsher /* Disable link beat and jabber, if_port may change here next open(). */ 1214ca7a8e85SJeff Kirsher EL3WINDOW(4); 1215ca7a8e85SJeff Kirsher outw(inw(ioaddr + WN4_MEDIA) & ~MEDIA_TP, ioaddr + WN4_MEDIA); 1216ca7a8e85SJeff Kirsher } 1217ca7a8e85SJeff Kirsher 1218ca7a8e85SJeff Kirsher outw(SetIntrEnb | 0x0000, ioaddr + EL3_CMD); 1219ca7a8e85SJeff Kirsher 1220ca7a8e85SJeff Kirsher update_stats(dev); 1221ca7a8e85SJeff Kirsher } 1222ca7a8e85SJeff Kirsher 1223ca7a8e85SJeff Kirsher static void 1224ca7a8e85SJeff Kirsher el3_up(struct net_device *dev) 1225ca7a8e85SJeff Kirsher { 1226ca7a8e85SJeff Kirsher int i, sw_info, net_diag; 1227ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1228ca7a8e85SJeff Kirsher 1229ca7a8e85SJeff Kirsher /* Activating the board required and does no harm otherwise */ 1230ca7a8e85SJeff Kirsher outw(0x0001, ioaddr + 4); 1231ca7a8e85SJeff Kirsher 1232ca7a8e85SJeff Kirsher /* Set the IRQ line. */ 1233ca7a8e85SJeff Kirsher outw((dev->irq << 12) | 0x0f00, ioaddr + WN0_IRQ); 1234ca7a8e85SJeff Kirsher 1235ca7a8e85SJeff Kirsher /* Set the station address in window 2 each time opened. */ 1236ca7a8e85SJeff Kirsher EL3WINDOW(2); 1237ca7a8e85SJeff Kirsher 1238ca7a8e85SJeff Kirsher for (i = 0; i < 6; i++) 1239ca7a8e85SJeff Kirsher outb(dev->dev_addr[i], ioaddr + i); 1240ca7a8e85SJeff Kirsher 1241ca7a8e85SJeff Kirsher if ((dev->if_port & 0x03) == 3) /* BNC interface */ 1242ca7a8e85SJeff Kirsher /* Start the thinnet transceiver. We should really wait 50ms...*/ 1243ca7a8e85SJeff Kirsher outw(StartCoax, ioaddr + EL3_CMD); 1244ca7a8e85SJeff Kirsher else if ((dev->if_port & 0x03) == 0) { /* 10baseT interface */ 1245ca7a8e85SJeff Kirsher /* Combine secondary sw_info word (the adapter level) and primary 1246ca7a8e85SJeff Kirsher sw_info word (duplex setting plus other useless bits) */ 1247ca7a8e85SJeff Kirsher EL3WINDOW(0); 1248ca7a8e85SJeff Kirsher sw_info = (read_eeprom(ioaddr, 0x14) & 0x400f) | 1249ca7a8e85SJeff Kirsher (read_eeprom(ioaddr, 0x0d) & 0xBff0); 1250ca7a8e85SJeff Kirsher 1251ca7a8e85SJeff Kirsher EL3WINDOW(4); 1252ca7a8e85SJeff Kirsher net_diag = inw(ioaddr + WN4_NETDIAG); 1253ca7a8e85SJeff Kirsher net_diag = (net_diag | FD_ENABLE); /* temporarily assume full-duplex will be set */ 1254ca7a8e85SJeff Kirsher pr_info("%s: ", dev->name); 1255ca7a8e85SJeff Kirsher switch (dev->if_port & 0x0c) { 1256ca7a8e85SJeff Kirsher case 12: 1257ca7a8e85SJeff Kirsher /* force full-duplex mode if 3c5x9b */ 1258ca7a8e85SJeff Kirsher if (sw_info & 0x000f) { 1259ca7a8e85SJeff Kirsher pr_cont("Forcing 3c5x9b full-duplex mode"); 1260ca7a8e85SJeff Kirsher break; 1261ca7a8e85SJeff Kirsher } 1262df561f66SGustavo A. R. Silva fallthrough; 1263ca7a8e85SJeff Kirsher case 8: 1264ca7a8e85SJeff Kirsher /* set full-duplex mode based on eeprom config setting */ 1265ca7a8e85SJeff Kirsher if ((sw_info & 0x000f) && (sw_info & 0x8000)) { 1266ca7a8e85SJeff Kirsher pr_cont("Setting 3c5x9b full-duplex mode (from EEPROM configuration bit)"); 1267ca7a8e85SJeff Kirsher break; 1268ca7a8e85SJeff Kirsher } 1269df561f66SGustavo A. R. Silva fallthrough; 1270ca7a8e85SJeff Kirsher default: 1271ca7a8e85SJeff Kirsher /* xcvr=(0 || 4) OR user has an old 3c5x9 non "B" model */ 1272ca7a8e85SJeff Kirsher pr_cont("Setting 3c5x9/3c5x9B half-duplex mode"); 1273ca7a8e85SJeff Kirsher net_diag = (net_diag & ~FD_ENABLE); /* disable full duplex */ 1274ca7a8e85SJeff Kirsher } 1275ca7a8e85SJeff Kirsher 1276ca7a8e85SJeff Kirsher outw(net_diag, ioaddr + WN4_NETDIAG); 1277ca7a8e85SJeff Kirsher pr_cont(" if_port: %d, sw_info: %4.4x\n", dev->if_port, sw_info); 1278ca7a8e85SJeff Kirsher if (el3_debug > 3) 1279ca7a8e85SJeff Kirsher pr_debug("%s: 3c5x9 net diag word is now: %4.4x.\n", dev->name, net_diag); 1280ca7a8e85SJeff Kirsher /* Enable link beat and jabber check. */ 1281ca7a8e85SJeff Kirsher outw(inw(ioaddr + WN4_MEDIA) | MEDIA_TP, ioaddr + WN4_MEDIA); 1282ca7a8e85SJeff Kirsher } 1283ca7a8e85SJeff Kirsher 1284ca7a8e85SJeff Kirsher /* Switch to the stats window, and clear all stats by reading. */ 1285ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 1286ca7a8e85SJeff Kirsher EL3WINDOW(6); 1287ca7a8e85SJeff Kirsher for (i = 0; i < 9; i++) 1288ca7a8e85SJeff Kirsher inb(ioaddr + i); 1289ca7a8e85SJeff Kirsher inw(ioaddr + 10); 1290ca7a8e85SJeff Kirsher inw(ioaddr + 12); 1291ca7a8e85SJeff Kirsher 1292ca7a8e85SJeff Kirsher /* Switch to register set 1 for normal use. */ 1293ca7a8e85SJeff Kirsher EL3WINDOW(1); 1294ca7a8e85SJeff Kirsher 1295ca7a8e85SJeff Kirsher /* Accept b-case and phys addr only. */ 1296ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); 1297ca7a8e85SJeff Kirsher outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ 1298ca7a8e85SJeff Kirsher 1299ca7a8e85SJeff Kirsher outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ 1300ca7a8e85SJeff Kirsher outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ 1301ca7a8e85SJeff Kirsher /* Allow status bits to be seen. */ 1302ca7a8e85SJeff Kirsher outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD); 1303ca7a8e85SJeff Kirsher /* Ack all pending events, and set active indicator mask. */ 1304ca7a8e85SJeff Kirsher outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, 1305ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 1306ca7a8e85SJeff Kirsher outw(SetIntrEnb | IntLatch|TxAvailable|TxComplete|RxComplete|StatsFull, 1307ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 1308ca7a8e85SJeff Kirsher 1309ca7a8e85SJeff Kirsher netif_start_queue(dev); 1310ca7a8e85SJeff Kirsher } 1311ca7a8e85SJeff Kirsher 1312ca7a8e85SJeff Kirsher /* Power Management support functions */ 1313ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 1314ca7a8e85SJeff Kirsher 1315ca7a8e85SJeff Kirsher static int 1316ca7a8e85SJeff Kirsher el3_suspend(struct device *pdev, pm_message_t state) 1317ca7a8e85SJeff Kirsher { 1318ca7a8e85SJeff Kirsher unsigned long flags; 1319ca7a8e85SJeff Kirsher struct net_device *dev; 1320ca7a8e85SJeff Kirsher struct el3_private *lp; 1321ca7a8e85SJeff Kirsher int ioaddr; 1322ca7a8e85SJeff Kirsher 1323ca7a8e85SJeff Kirsher dev = dev_get_drvdata(pdev); 1324ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 1325ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 1326ca7a8e85SJeff Kirsher 1327ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 1328ca7a8e85SJeff Kirsher 1329ca7a8e85SJeff Kirsher if (netif_running(dev)) 1330ca7a8e85SJeff Kirsher netif_device_detach(dev); 1331ca7a8e85SJeff Kirsher 1332ca7a8e85SJeff Kirsher el3_down(dev); 1333ca7a8e85SJeff Kirsher outw(PowerDown, ioaddr + EL3_CMD); 1334ca7a8e85SJeff Kirsher 1335ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 1336ca7a8e85SJeff Kirsher return 0; 1337ca7a8e85SJeff Kirsher } 1338ca7a8e85SJeff Kirsher 1339ca7a8e85SJeff Kirsher static int 1340ca7a8e85SJeff Kirsher el3_resume(struct device *pdev) 1341ca7a8e85SJeff Kirsher { 1342ca7a8e85SJeff Kirsher unsigned long flags; 1343ca7a8e85SJeff Kirsher struct net_device *dev; 1344ca7a8e85SJeff Kirsher struct el3_private *lp; 1345ca7a8e85SJeff Kirsher int ioaddr; 1346ca7a8e85SJeff Kirsher 1347ca7a8e85SJeff Kirsher dev = dev_get_drvdata(pdev); 1348ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 1349ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 1350ca7a8e85SJeff Kirsher 1351ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 1352ca7a8e85SJeff Kirsher 1353ca7a8e85SJeff Kirsher outw(PowerUp, ioaddr + EL3_CMD); 1354ca7a8e85SJeff Kirsher EL3WINDOW(0); 1355ca7a8e85SJeff Kirsher el3_up(dev); 1356ca7a8e85SJeff Kirsher 1357ca7a8e85SJeff Kirsher if (netif_running(dev)) 1358ca7a8e85SJeff Kirsher netif_device_attach(dev); 1359ca7a8e85SJeff Kirsher 1360ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 1361ca7a8e85SJeff Kirsher return 0; 1362ca7a8e85SJeff Kirsher } 1363ca7a8e85SJeff Kirsher 1364ca7a8e85SJeff Kirsher #endif /* CONFIG_PM */ 1365ca7a8e85SJeff Kirsher 1366ca7a8e85SJeff Kirsher module_param(debug,int, 0); 1367df298408SDavid Howells module_param_hw_array(irq, int, irq, NULL, 0); 1368ca7a8e85SJeff Kirsher module_param(max_interrupt_work, int, 0); 1369ca7a8e85SJeff Kirsher MODULE_PARM_DESC(debug, "debug level (0-6)"); 1370ca7a8e85SJeff Kirsher MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); 1371ca7a8e85SJeff Kirsher MODULE_PARM_DESC(max_interrupt_work, "maximum events handled per interrupt"); 1372ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1373ca7a8e85SJeff Kirsher module_param(nopnp, int, 0); 1374ca7a8e85SJeff Kirsher MODULE_PARM_DESC(nopnp, "disable ISA PnP support (0-1)"); 1375ca7a8e85SJeff Kirsher #endif /* CONFIG_PNP */ 1376ca7a8e85SJeff Kirsher MODULE_DESCRIPTION("3Com Etherlink III (3c509, 3c509B, 3c529, 3c579) ethernet driver"); 1377ca7a8e85SJeff Kirsher MODULE_LICENSE("GPL"); 1378ca7a8e85SJeff Kirsher 1379ca7a8e85SJeff Kirsher static int __init el3_init_module(void) 1380ca7a8e85SJeff Kirsher { 1381ca7a8e85SJeff Kirsher int ret = 0; 1382ca7a8e85SJeff Kirsher 1383ca7a8e85SJeff Kirsher if (debug >= 0) 1384ca7a8e85SJeff Kirsher el3_debug = debug; 1385ca7a8e85SJeff Kirsher 1386ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1387ca7a8e85SJeff Kirsher if (!nopnp) { 1388ca7a8e85SJeff Kirsher ret = pnp_register_driver(&el3_pnp_driver); 1389ca7a8e85SJeff Kirsher if (!ret) 1390ca7a8e85SJeff Kirsher pnp_registered = 1; 1391ca7a8e85SJeff Kirsher } 1392ca7a8e85SJeff Kirsher #endif 1393ca7a8e85SJeff Kirsher /* Select an open I/O location at 0x1*0 to do ISA contention select. */ 1394ca7a8e85SJeff Kirsher /* Start with 0x110 to avoid some sound cards.*/ 1395ca7a8e85SJeff Kirsher for (id_port = 0x110 ; id_port < 0x200; id_port += 0x10) { 1396ca7a8e85SJeff Kirsher if (!request_region(id_port, 1, "3c509-control")) 1397ca7a8e85SJeff Kirsher continue; 1398ca7a8e85SJeff Kirsher outb(0x00, id_port); 1399ca7a8e85SJeff Kirsher outb(0xff, id_port); 1400ca7a8e85SJeff Kirsher if (inb(id_port) & 0x01) 1401ca7a8e85SJeff Kirsher break; 1402ca7a8e85SJeff Kirsher else 1403ca7a8e85SJeff Kirsher release_region(id_port, 1); 1404ca7a8e85SJeff Kirsher } 1405ca7a8e85SJeff Kirsher if (id_port >= 0x200) { 1406ca7a8e85SJeff Kirsher id_port = 0; 1407ca7a8e85SJeff Kirsher pr_err("No I/O port available for 3c509 activation.\n"); 1408ca7a8e85SJeff Kirsher } else { 1409ca7a8e85SJeff Kirsher ret = isa_register_driver(&el3_isa_driver, EL3_MAX_CARDS); 1410ca7a8e85SJeff Kirsher if (!ret) 1411ca7a8e85SJeff Kirsher isa_registered = 1; 1412ca7a8e85SJeff Kirsher } 1413ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1414ca7a8e85SJeff Kirsher ret = eisa_driver_register(&el3_eisa_driver); 1415ca7a8e85SJeff Kirsher if (!ret) 1416ca7a8e85SJeff Kirsher eisa_registered = 1; 1417ca7a8e85SJeff Kirsher #endif 1418ca7a8e85SJeff Kirsher 1419ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1420ca7a8e85SJeff Kirsher if (pnp_registered) 1421ca7a8e85SJeff Kirsher ret = 0; 1422ca7a8e85SJeff Kirsher #endif 1423ca7a8e85SJeff Kirsher if (isa_registered) 1424ca7a8e85SJeff Kirsher ret = 0; 1425ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1426ca7a8e85SJeff Kirsher if (eisa_registered) 1427ca7a8e85SJeff Kirsher ret = 0; 1428ca7a8e85SJeff Kirsher #endif 1429ca7a8e85SJeff Kirsher return ret; 1430ca7a8e85SJeff Kirsher } 1431ca7a8e85SJeff Kirsher 1432ca7a8e85SJeff Kirsher static void __exit el3_cleanup_module(void) 1433ca7a8e85SJeff Kirsher { 1434ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1435ca7a8e85SJeff Kirsher if (pnp_registered) 1436ca7a8e85SJeff Kirsher pnp_unregister_driver(&el3_pnp_driver); 1437ca7a8e85SJeff Kirsher #endif 1438ca7a8e85SJeff Kirsher if (isa_registered) 1439ca7a8e85SJeff Kirsher isa_unregister_driver(&el3_isa_driver); 1440ca7a8e85SJeff Kirsher if (id_port) 1441ca7a8e85SJeff Kirsher release_region(id_port, 1); 1442ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1443ca7a8e85SJeff Kirsher if (eisa_registered) 1444ca7a8e85SJeff Kirsher eisa_driver_unregister(&el3_eisa_driver); 1445ca7a8e85SJeff Kirsher #endif 1446ca7a8e85SJeff Kirsher } 1447ca7a8e85SJeff Kirsher 1448ca7a8e85SJeff Kirsher module_init (el3_init_module); 1449ca7a8e85SJeff Kirsher module_exit (el3_cleanup_module); 1450