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; 517*771edeabSColin Ian King static const char * const if_names[] = { 518*771edeabSColin Ian King "10baseT", "AUI", "undefined", "BNC" 519*771edeabSColin Ian King }; 520ca7a8e85SJeff Kirsher 521ca7a8e85SJeff Kirsher spin_lock_init(&lp->lock); 522ca7a8e85SJeff Kirsher 523ca7a8e85SJeff Kirsher if (dev->mem_start & 0x05) { /* xcvr codes 1/3/4/12 */ 524ca7a8e85SJeff Kirsher dev->if_port = (dev->mem_start & 0x0f); 525ca7a8e85SJeff Kirsher } else { /* xcvr codes 0/8 */ 526ca7a8e85SJeff Kirsher /* use eeprom value, but save user's full-duplex selection */ 527ca7a8e85SJeff Kirsher dev->if_port |= (dev->mem_start & 0x08); 528ca7a8e85SJeff Kirsher } 529ca7a8e85SJeff Kirsher 530ca7a8e85SJeff Kirsher /* The EL3-specific entries in the device structure. */ 531ca7a8e85SJeff Kirsher dev->netdev_ops = &netdev_ops; 532ca7a8e85SJeff Kirsher dev->watchdog_timeo = TX_TIMEOUT; 5337ad24ea4SWilfried Klaebe dev->ethtool_ops = ðtool_ops; 534ca7a8e85SJeff Kirsher 535ca7a8e85SJeff Kirsher err = register_netdev(dev); 536ca7a8e85SJeff Kirsher if (err) { 537ca7a8e85SJeff Kirsher pr_err("Failed to register 3c5x9 at %#3.3lx, IRQ %d.\n", 538ca7a8e85SJeff Kirsher dev->base_addr, dev->irq); 539ca7a8e85SJeff Kirsher release_region(dev->base_addr, EL3_IO_EXTENT); 540ca7a8e85SJeff Kirsher return err; 541ca7a8e85SJeff Kirsher } 542ca7a8e85SJeff Kirsher 543ca7a8e85SJeff Kirsher pr_info("%s: 3c5x9 found at %#3.3lx, %s port, address %pM, IRQ %d.\n", 544ca7a8e85SJeff Kirsher dev->name, dev->base_addr, if_names[(dev->if_port & 0x03)], 545ca7a8e85SJeff Kirsher dev->dev_addr, dev->irq); 546ca7a8e85SJeff Kirsher 547ca7a8e85SJeff Kirsher return 0; 548ca7a8e85SJeff Kirsher 549ca7a8e85SJeff Kirsher } 550ca7a8e85SJeff Kirsher 551ca7a8e85SJeff Kirsher static void el3_common_remove (struct net_device *dev) 552ca7a8e85SJeff Kirsher { 553ca7a8e85SJeff Kirsher unregister_netdev (dev); 554ca7a8e85SJeff Kirsher release_region(dev->base_addr, EL3_IO_EXTENT); 555ca7a8e85SJeff Kirsher free_netdev (dev); 556ca7a8e85SJeff Kirsher } 557ca7a8e85SJeff Kirsher 558ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 559cb4396edSFabian Frederick static int el3_eisa_probe(struct device *device) 560ca7a8e85SJeff Kirsher { 561ca7a8e85SJeff Kirsher short i; 562ca7a8e85SJeff Kirsher int ioaddr, irq, if_port; 563ca7a8e85SJeff Kirsher __be16 phys_addr[3]; 564ca7a8e85SJeff Kirsher struct net_device *dev = NULL; 565ca7a8e85SJeff Kirsher struct eisa_device *edev; 566ca7a8e85SJeff Kirsher int err; 567ca7a8e85SJeff Kirsher 568ca7a8e85SJeff Kirsher /* Yeepee, The driver framework is calling us ! */ 569ca7a8e85SJeff Kirsher edev = to_eisa_device (device); 570ca7a8e85SJeff Kirsher ioaddr = edev->base_addr; 571ca7a8e85SJeff Kirsher 572ca7a8e85SJeff Kirsher if (!request_region(ioaddr, EL3_IO_EXTENT, "3c579-eisa")) 573ca7a8e85SJeff Kirsher return -EBUSY; 574ca7a8e85SJeff Kirsher 575ca7a8e85SJeff Kirsher /* Change the register set to the configuration window 0. */ 576ca7a8e85SJeff Kirsher outw(SelectWindow | 0, ioaddr + 0xC80 + EL3_CMD); 577ca7a8e85SJeff Kirsher 578ca7a8e85SJeff Kirsher irq = inw(ioaddr + WN0_IRQ) >> 12; 579ca7a8e85SJeff Kirsher if_port = inw(ioaddr + 6)>>14; 580ca7a8e85SJeff Kirsher for (i = 0; i < 3; i++) 581ca7a8e85SJeff Kirsher phys_addr[i] = htons(read_eeprom(ioaddr, i)); 582ca7a8e85SJeff Kirsher 583ca7a8e85SJeff Kirsher /* Restore the "Product ID" to the EEPROM read register. */ 584ca7a8e85SJeff Kirsher read_eeprom(ioaddr, 3); 585ca7a8e85SJeff Kirsher 586ca7a8e85SJeff Kirsher dev = alloc_etherdev(sizeof (struct el3_private)); 587ca7a8e85SJeff Kirsher if (dev == NULL) { 588ca7a8e85SJeff Kirsher release_region(ioaddr, EL3_IO_EXTENT); 589ca7a8e85SJeff Kirsher return -ENOMEM; 590ca7a8e85SJeff Kirsher } 591ca7a8e85SJeff Kirsher 5923b54912fSMatthew Whitehead SET_NETDEV_DEV(dev, device); 593ca7a8e85SJeff Kirsher netdev_boot_setup_check(dev); 594ca7a8e85SJeff Kirsher 595ca7a8e85SJeff Kirsher el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA); 596ca7a8e85SJeff Kirsher eisa_set_drvdata (edev, dev); 597ca7a8e85SJeff Kirsher err = el3_common_init(dev); 598ca7a8e85SJeff Kirsher 599ca7a8e85SJeff Kirsher if (err) { 600ca7a8e85SJeff Kirsher eisa_set_drvdata (edev, NULL); 601ca7a8e85SJeff Kirsher free_netdev(dev); 602ca7a8e85SJeff Kirsher return err; 603ca7a8e85SJeff Kirsher } 604ca7a8e85SJeff Kirsher 605ca7a8e85SJeff Kirsher el3_devs[el3_cards++] = dev; 606ca7a8e85SJeff Kirsher return 0; 607ca7a8e85SJeff Kirsher } 608ca7a8e85SJeff Kirsher #endif 609ca7a8e85SJeff Kirsher 610ca7a8e85SJeff Kirsher /* This remove works for all device types. 611ca7a8e85SJeff Kirsher * 612ca7a8e85SJeff Kirsher * The net dev must be stored in the driver data field */ 6132791cf7aSBill Pemberton static int el3_device_remove(struct device *device) 614ca7a8e85SJeff Kirsher { 615ca7a8e85SJeff Kirsher struct net_device *dev; 616ca7a8e85SJeff Kirsher 617ca7a8e85SJeff Kirsher dev = dev_get_drvdata(device); 618ca7a8e85SJeff Kirsher 619ca7a8e85SJeff Kirsher el3_common_remove (dev); 620ca7a8e85SJeff Kirsher return 0; 621ca7a8e85SJeff Kirsher } 622ca7a8e85SJeff Kirsher 623ca7a8e85SJeff Kirsher /* Read a word from the EEPROM using the regular EEPROM access register. 624ca7a8e85SJeff Kirsher Assume that we are in register window zero. 625ca7a8e85SJeff Kirsher */ 626ca7a8e85SJeff Kirsher static ushort read_eeprom(int ioaddr, int index) 627ca7a8e85SJeff Kirsher { 628ca7a8e85SJeff Kirsher outw(EEPROM_READ + index, ioaddr + 10); 629ca7a8e85SJeff Kirsher /* Pause for at least 162 us. for the read to take place. 630ca7a8e85SJeff Kirsher Some chips seem to require much longer */ 631ca7a8e85SJeff Kirsher mdelay(2); 632ca7a8e85SJeff Kirsher return inw(ioaddr + 12); 633ca7a8e85SJeff Kirsher } 634ca7a8e85SJeff Kirsher 635ca7a8e85SJeff Kirsher /* Read a word from the EEPROM when in the ISA ID probe state. */ 636ca7a8e85SJeff Kirsher static ushort id_read_eeprom(int index) 637ca7a8e85SJeff Kirsher { 638ca7a8e85SJeff Kirsher int bit, word = 0; 639ca7a8e85SJeff Kirsher 640ca7a8e85SJeff Kirsher /* Issue read command, and pause for at least 162 us. for it to complete. 641ca7a8e85SJeff Kirsher Assume extra-fast 16Mhz bus. */ 642ca7a8e85SJeff Kirsher outb(EEPROM_READ + index, id_port); 643ca7a8e85SJeff Kirsher 644ca7a8e85SJeff Kirsher /* Pause for at least 162 us. for the read to take place. */ 645ca7a8e85SJeff Kirsher /* Some chips seem to require much longer */ 646ca7a8e85SJeff Kirsher mdelay(4); 647ca7a8e85SJeff Kirsher 648ca7a8e85SJeff Kirsher for (bit = 15; bit >= 0; bit--) 649ca7a8e85SJeff Kirsher word = (word << 1) + (inb(id_port) & 0x01); 650ca7a8e85SJeff Kirsher 651ca7a8e85SJeff Kirsher if (el3_debug > 3) 652ca7a8e85SJeff Kirsher pr_debug(" 3c509 EEPROM word %d %#4.4x.\n", index, word); 653ca7a8e85SJeff Kirsher 654ca7a8e85SJeff Kirsher return word; 655ca7a8e85SJeff Kirsher } 656ca7a8e85SJeff Kirsher 657ca7a8e85SJeff Kirsher 658ca7a8e85SJeff Kirsher static int 659ca7a8e85SJeff Kirsher el3_open(struct net_device *dev) 660ca7a8e85SJeff Kirsher { 661ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 662ca7a8e85SJeff Kirsher int i; 663ca7a8e85SJeff Kirsher 664ca7a8e85SJeff Kirsher outw(TxReset, ioaddr + EL3_CMD); 665ca7a8e85SJeff Kirsher outw(RxReset, ioaddr + EL3_CMD); 666ca7a8e85SJeff Kirsher outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD); 667ca7a8e85SJeff Kirsher 668ca7a8e85SJeff Kirsher i = request_irq(dev->irq, el3_interrupt, 0, dev->name, dev); 669ca7a8e85SJeff Kirsher if (i) 670ca7a8e85SJeff Kirsher return i; 671ca7a8e85SJeff Kirsher 672ca7a8e85SJeff Kirsher EL3WINDOW(0); 673ca7a8e85SJeff Kirsher if (el3_debug > 3) 674ca7a8e85SJeff Kirsher pr_debug("%s: Opening, IRQ %d status@%x %4.4x.\n", dev->name, 675ca7a8e85SJeff Kirsher dev->irq, ioaddr + EL3_STATUS, inw(ioaddr + EL3_STATUS)); 676ca7a8e85SJeff Kirsher 677ca7a8e85SJeff Kirsher el3_up(dev); 678ca7a8e85SJeff Kirsher 679ca7a8e85SJeff Kirsher if (el3_debug > 3) 680ca7a8e85SJeff Kirsher pr_debug("%s: Opened 3c509 IRQ %d status %4.4x.\n", 681ca7a8e85SJeff Kirsher dev->name, dev->irq, inw(ioaddr + EL3_STATUS)); 682ca7a8e85SJeff Kirsher 683ca7a8e85SJeff Kirsher return 0; 684ca7a8e85SJeff Kirsher } 685ca7a8e85SJeff Kirsher 686ca7a8e85SJeff Kirsher static void 6870290bd29SMichael S. Tsirkin el3_tx_timeout (struct net_device *dev, unsigned int txqueue) 688ca7a8e85SJeff Kirsher { 689ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 690ca7a8e85SJeff Kirsher 691ca7a8e85SJeff Kirsher /* Transmitter timeout, serious problems. */ 692fe3881cfSJoe Perches pr_warn("%s: transmit timed out, Tx_status %2.2x status %4.4x Tx FIFO room %d\n", 693ca7a8e85SJeff Kirsher dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS), 694ca7a8e85SJeff Kirsher inw(ioaddr + TX_FREE)); 695ca7a8e85SJeff Kirsher dev->stats.tx_errors++; 696860e9538SFlorian Westphal netif_trans_update(dev); /* prevent tx timeout */ 697ca7a8e85SJeff Kirsher /* Issue TX_RESET and TX_START commands. */ 698ca7a8e85SJeff Kirsher outw(TxReset, ioaddr + EL3_CMD); 699ca7a8e85SJeff Kirsher outw(TxEnable, ioaddr + EL3_CMD); 700ca7a8e85SJeff Kirsher netif_wake_queue(dev); 701ca7a8e85SJeff Kirsher } 702ca7a8e85SJeff Kirsher 703ca7a8e85SJeff Kirsher 704ca7a8e85SJeff Kirsher static netdev_tx_t 705ca7a8e85SJeff Kirsher el3_start_xmit(struct sk_buff *skb, struct net_device *dev) 706ca7a8e85SJeff Kirsher { 707ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 708ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 709ca7a8e85SJeff Kirsher unsigned long flags; 710ca7a8e85SJeff Kirsher 711ca7a8e85SJeff Kirsher netif_stop_queue (dev); 712ca7a8e85SJeff Kirsher 713ca7a8e85SJeff Kirsher dev->stats.tx_bytes += skb->len; 714ca7a8e85SJeff Kirsher 715ca7a8e85SJeff Kirsher if (el3_debug > 4) { 716ca7a8e85SJeff Kirsher pr_debug("%s: el3_start_xmit(length = %u) called, status %4.4x.\n", 717ca7a8e85SJeff Kirsher dev->name, skb->len, inw(ioaddr + EL3_STATUS)); 718ca7a8e85SJeff Kirsher } 719ca7a8e85SJeff Kirsher /* 720ca7a8e85SJeff Kirsher * We lock the driver against other processors. Note 721ca7a8e85SJeff Kirsher * we don't need to lock versus the IRQ as we suspended 722ca7a8e85SJeff Kirsher * that. This means that we lose the ability to take 723ca7a8e85SJeff Kirsher * an RX during a TX upload. That sucks a bit with SMP 724ca7a8e85SJeff Kirsher * on an original 3c509 (2K buffer) 725ca7a8e85SJeff Kirsher * 726ca7a8e85SJeff Kirsher * Using disable_irq stops us crapping on other 727ca7a8e85SJeff Kirsher * time sensitive devices. 728ca7a8e85SJeff Kirsher */ 729ca7a8e85SJeff Kirsher 730ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 731ca7a8e85SJeff Kirsher 732ca7a8e85SJeff Kirsher /* Put out the doubleword header... */ 733ca7a8e85SJeff Kirsher outw(skb->len, ioaddr + TX_FIFO); 734ca7a8e85SJeff Kirsher outw(0x00, ioaddr + TX_FIFO); 735ca7a8e85SJeff Kirsher /* ... and the packet rounded to a doubleword. */ 736ca7a8e85SJeff Kirsher outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); 737ca7a8e85SJeff Kirsher 738ca7a8e85SJeff Kirsher if (inw(ioaddr + TX_FREE) > 1536) 739ca7a8e85SJeff Kirsher netif_start_queue(dev); 740ca7a8e85SJeff Kirsher else 741ca7a8e85SJeff Kirsher /* Interrupt us when the FIFO has room for max-sized packet. */ 742ca7a8e85SJeff Kirsher outw(SetTxThreshold + 1536, ioaddr + EL3_CMD); 743ca7a8e85SJeff Kirsher 744ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 745ca7a8e85SJeff Kirsher 7468fa9524dSEric W. Biederman dev_consume_skb_any (skb); 747ca7a8e85SJeff Kirsher 748ca7a8e85SJeff Kirsher /* Clear the Tx status stack. */ 749ca7a8e85SJeff Kirsher { 750ca7a8e85SJeff Kirsher short tx_status; 751ca7a8e85SJeff Kirsher int i = 4; 752ca7a8e85SJeff Kirsher 753ca7a8e85SJeff Kirsher while (--i > 0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) { 754ca7a8e85SJeff Kirsher if (tx_status & 0x38) dev->stats.tx_aborted_errors++; 755ca7a8e85SJeff Kirsher if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD); 756ca7a8e85SJeff Kirsher if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD); 757ca7a8e85SJeff Kirsher outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ 758ca7a8e85SJeff Kirsher } 759ca7a8e85SJeff Kirsher } 760ca7a8e85SJeff Kirsher return NETDEV_TX_OK; 761ca7a8e85SJeff Kirsher } 762ca7a8e85SJeff Kirsher 763ca7a8e85SJeff Kirsher /* The EL3 interrupt handler. */ 764ca7a8e85SJeff Kirsher static irqreturn_t 765ca7a8e85SJeff Kirsher el3_interrupt(int irq, void *dev_id) 766ca7a8e85SJeff Kirsher { 767ca7a8e85SJeff Kirsher struct net_device *dev = dev_id; 768ca7a8e85SJeff Kirsher struct el3_private *lp; 769ca7a8e85SJeff Kirsher int ioaddr, status; 770ca7a8e85SJeff Kirsher int i = max_interrupt_work; 771ca7a8e85SJeff Kirsher 772ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 773ca7a8e85SJeff Kirsher spin_lock(&lp->lock); 774ca7a8e85SJeff Kirsher 775ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 776ca7a8e85SJeff Kirsher 777ca7a8e85SJeff Kirsher if (el3_debug > 4) { 778ca7a8e85SJeff Kirsher status = inw(ioaddr + EL3_STATUS); 779ca7a8e85SJeff Kirsher pr_debug("%s: interrupt, status %4.4x.\n", dev->name, status); 780ca7a8e85SJeff Kirsher } 781ca7a8e85SJeff Kirsher 782ca7a8e85SJeff Kirsher while ((status = inw(ioaddr + EL3_STATUS)) & 783ca7a8e85SJeff Kirsher (IntLatch | RxComplete | StatsFull)) { 784ca7a8e85SJeff Kirsher 785ca7a8e85SJeff Kirsher if (status & RxComplete) 786ca7a8e85SJeff Kirsher el3_rx(dev); 787ca7a8e85SJeff Kirsher 788ca7a8e85SJeff Kirsher if (status & TxAvailable) { 789ca7a8e85SJeff Kirsher if (el3_debug > 5) 790ca7a8e85SJeff Kirsher pr_debug(" TX room bit was handled.\n"); 791ca7a8e85SJeff Kirsher /* There's room in the FIFO for a full-sized packet. */ 792ca7a8e85SJeff Kirsher outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); 793ca7a8e85SJeff Kirsher netif_wake_queue (dev); 794ca7a8e85SJeff Kirsher } 795ca7a8e85SJeff Kirsher if (status & (AdapterFailure | RxEarly | StatsFull | TxComplete)) { 796ca7a8e85SJeff Kirsher /* Handle all uncommon interrupts. */ 797ca7a8e85SJeff Kirsher if (status & StatsFull) /* Empty statistics. */ 798ca7a8e85SJeff Kirsher update_stats(dev); 799ca7a8e85SJeff Kirsher if (status & RxEarly) { /* Rx early is unused. */ 800ca7a8e85SJeff Kirsher el3_rx(dev); 801ca7a8e85SJeff Kirsher outw(AckIntr | RxEarly, ioaddr + EL3_CMD); 802ca7a8e85SJeff Kirsher } 803ca7a8e85SJeff Kirsher if (status & TxComplete) { /* Really Tx error. */ 804ca7a8e85SJeff Kirsher short tx_status; 805ca7a8e85SJeff Kirsher int i = 4; 806ca7a8e85SJeff Kirsher 807ca7a8e85SJeff Kirsher while (--i>0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) { 808ca7a8e85SJeff Kirsher if (tx_status & 0x38) dev->stats.tx_aborted_errors++; 809ca7a8e85SJeff Kirsher if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD); 810ca7a8e85SJeff Kirsher if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD); 811ca7a8e85SJeff Kirsher outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ 812ca7a8e85SJeff Kirsher } 813ca7a8e85SJeff Kirsher } 814ca7a8e85SJeff Kirsher if (status & AdapterFailure) { 815ca7a8e85SJeff Kirsher /* Adapter failure requires Rx reset and reinit. */ 816ca7a8e85SJeff Kirsher outw(RxReset, ioaddr + EL3_CMD); 817ca7a8e85SJeff Kirsher /* Set the Rx filter to the current state. */ 818ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast 819ca7a8e85SJeff Kirsher | (dev->flags & IFF_ALLMULTI ? RxMulticast : 0) 820ca7a8e85SJeff Kirsher | (dev->flags & IFF_PROMISC ? RxProm : 0), 821ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 822ca7a8e85SJeff Kirsher outw(RxEnable, ioaddr + EL3_CMD); /* Re-enable the receiver. */ 823ca7a8e85SJeff Kirsher outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); 824ca7a8e85SJeff Kirsher } 825ca7a8e85SJeff Kirsher } 826ca7a8e85SJeff Kirsher 827ca7a8e85SJeff Kirsher if (--i < 0) { 828ca7a8e85SJeff Kirsher pr_err("%s: Infinite loop in interrupt, status %4.4x.\n", 829ca7a8e85SJeff Kirsher dev->name, status); 830ca7a8e85SJeff Kirsher /* Clear all interrupts. */ 831ca7a8e85SJeff Kirsher outw(AckIntr | 0xFF, ioaddr + EL3_CMD); 832ca7a8e85SJeff Kirsher break; 833ca7a8e85SJeff Kirsher } 834ca7a8e85SJeff Kirsher /* Acknowledge the IRQ. */ 835ca7a8e85SJeff Kirsher outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); /* Ack IRQ */ 836ca7a8e85SJeff Kirsher } 837ca7a8e85SJeff Kirsher 838ca7a8e85SJeff Kirsher if (el3_debug > 4) { 839ca7a8e85SJeff Kirsher pr_debug("%s: exiting interrupt, status %4.4x.\n", dev->name, 840ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS)); 841ca7a8e85SJeff Kirsher } 842ca7a8e85SJeff Kirsher spin_unlock(&lp->lock); 843ca7a8e85SJeff Kirsher return IRQ_HANDLED; 844ca7a8e85SJeff Kirsher } 845ca7a8e85SJeff Kirsher 846ca7a8e85SJeff Kirsher 847ca7a8e85SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 848ca7a8e85SJeff Kirsher /* 849ca7a8e85SJeff Kirsher * Polling receive - used by netconsole and other diagnostic tools 850ca7a8e85SJeff Kirsher * to allow network i/o with interrupts disabled. 851ca7a8e85SJeff Kirsher */ 852ca7a8e85SJeff Kirsher static void el3_poll_controller(struct net_device *dev) 853ca7a8e85SJeff Kirsher { 854ca7a8e85SJeff Kirsher disable_irq(dev->irq); 855ca7a8e85SJeff Kirsher el3_interrupt(dev->irq, dev); 856ca7a8e85SJeff Kirsher enable_irq(dev->irq); 857ca7a8e85SJeff Kirsher } 858ca7a8e85SJeff Kirsher #endif 859ca7a8e85SJeff Kirsher 860ca7a8e85SJeff Kirsher static struct net_device_stats * 861ca7a8e85SJeff Kirsher el3_get_stats(struct net_device *dev) 862ca7a8e85SJeff Kirsher { 863ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 864ca7a8e85SJeff Kirsher unsigned long flags; 865ca7a8e85SJeff Kirsher 866ca7a8e85SJeff Kirsher /* 867ca7a8e85SJeff Kirsher * This is fast enough not to bother with disable IRQ 868ca7a8e85SJeff Kirsher * stuff. 869ca7a8e85SJeff Kirsher */ 870ca7a8e85SJeff Kirsher 871ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 872ca7a8e85SJeff Kirsher update_stats(dev); 873ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 874ca7a8e85SJeff Kirsher return &dev->stats; 875ca7a8e85SJeff Kirsher } 876ca7a8e85SJeff Kirsher 877ca7a8e85SJeff Kirsher /* Update statistics. We change to register window 6, so this should be run 878ca7a8e85SJeff Kirsher single-threaded if the device is active. This is expected to be a rare 879ca7a8e85SJeff Kirsher operation, and it's simpler for the rest of the driver to assume that 880ca7a8e85SJeff Kirsher window 1 is always valid rather than use a special window-state variable. 881ca7a8e85SJeff Kirsher */ 882ca7a8e85SJeff Kirsher static void update_stats(struct net_device *dev) 883ca7a8e85SJeff Kirsher { 884ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 885ca7a8e85SJeff Kirsher 886ca7a8e85SJeff Kirsher if (el3_debug > 5) 887ca7a8e85SJeff Kirsher pr_debug(" Updating the statistics.\n"); 888ca7a8e85SJeff Kirsher /* Turn off statistics updates while reading. */ 889ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 890ca7a8e85SJeff Kirsher /* Switch to the stats window, and read everything. */ 891ca7a8e85SJeff Kirsher EL3WINDOW(6); 892ca7a8e85SJeff Kirsher dev->stats.tx_carrier_errors += inb(ioaddr + 0); 893ca7a8e85SJeff Kirsher dev->stats.tx_heartbeat_errors += inb(ioaddr + 1); 894ca7a8e85SJeff Kirsher /* Multiple collisions. */ inb(ioaddr + 2); 895ca7a8e85SJeff Kirsher dev->stats.collisions += inb(ioaddr + 3); 896ca7a8e85SJeff Kirsher dev->stats.tx_window_errors += inb(ioaddr + 4); 897ca7a8e85SJeff Kirsher dev->stats.rx_fifo_errors += inb(ioaddr + 5); 898ca7a8e85SJeff Kirsher dev->stats.tx_packets += inb(ioaddr + 6); 899ca7a8e85SJeff Kirsher /* Rx packets */ inb(ioaddr + 7); 900ca7a8e85SJeff Kirsher /* Tx deferrals */ inb(ioaddr + 8); 901ca7a8e85SJeff Kirsher inw(ioaddr + 10); /* Total Rx and Tx octets. */ 902ca7a8e85SJeff Kirsher inw(ioaddr + 12); 903ca7a8e85SJeff Kirsher 904ca7a8e85SJeff Kirsher /* Back to window 1, and turn statistics back on. */ 905ca7a8e85SJeff Kirsher EL3WINDOW(1); 906ca7a8e85SJeff Kirsher outw(StatsEnable, ioaddr + EL3_CMD); 907ca7a8e85SJeff Kirsher } 908ca7a8e85SJeff Kirsher 909ca7a8e85SJeff Kirsher static int 910ca7a8e85SJeff Kirsher el3_rx(struct net_device *dev) 911ca7a8e85SJeff Kirsher { 912ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 913ca7a8e85SJeff Kirsher short rx_status; 914ca7a8e85SJeff Kirsher 915ca7a8e85SJeff Kirsher if (el3_debug > 5) 916ca7a8e85SJeff Kirsher pr_debug(" In rx_packet(), status %4.4x, rx_status %4.4x.\n", 917ca7a8e85SJeff Kirsher inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); 918ca7a8e85SJeff Kirsher while ((rx_status = inw(ioaddr + RX_STATUS)) > 0) { 919ca7a8e85SJeff Kirsher if (rx_status & 0x4000) { /* Error, update stats. */ 920ca7a8e85SJeff Kirsher short error = rx_status & 0x3800; 921ca7a8e85SJeff Kirsher 922ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); 923ca7a8e85SJeff Kirsher dev->stats.rx_errors++; 924ca7a8e85SJeff Kirsher switch (error) { 925ca7a8e85SJeff Kirsher case 0x0000: dev->stats.rx_over_errors++; break; 926ca7a8e85SJeff Kirsher case 0x0800: dev->stats.rx_length_errors++; break; 927ca7a8e85SJeff Kirsher case 0x1000: dev->stats.rx_frame_errors++; break; 928ca7a8e85SJeff Kirsher case 0x1800: dev->stats.rx_length_errors++; break; 929ca7a8e85SJeff Kirsher case 0x2000: dev->stats.rx_frame_errors++; break; 930ca7a8e85SJeff Kirsher case 0x2800: dev->stats.rx_crc_errors++; break; 931ca7a8e85SJeff Kirsher } 932ca7a8e85SJeff Kirsher } else { 933ca7a8e85SJeff Kirsher short pkt_len = rx_status & 0x7ff; 934ca7a8e85SJeff Kirsher struct sk_buff *skb; 935ca7a8e85SJeff Kirsher 9361d266430SPradeep A Dalvi skb = netdev_alloc_skb(dev, pkt_len + 5); 937ca7a8e85SJeff Kirsher if (el3_debug > 4) 938ca7a8e85SJeff Kirsher pr_debug("Receiving packet size %d status %4.4x.\n", 939ca7a8e85SJeff Kirsher pkt_len, rx_status); 940ca7a8e85SJeff Kirsher if (skb != NULL) { 941ca7a8e85SJeff Kirsher skb_reserve(skb, 2); /* Align IP on 16 byte */ 942ca7a8e85SJeff Kirsher 943ca7a8e85SJeff Kirsher /* 'skb->data' points to the start of sk_buff data area. */ 944ca7a8e85SJeff Kirsher insl(ioaddr + RX_FIFO, skb_put(skb,pkt_len), 945ca7a8e85SJeff Kirsher (pkt_len + 3) >> 2); 946ca7a8e85SJeff Kirsher 947ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); /* Pop top Rx packet. */ 948ca7a8e85SJeff Kirsher skb->protocol = eth_type_trans(skb,dev); 949ca7a8e85SJeff Kirsher netif_rx(skb); 950ca7a8e85SJeff Kirsher dev->stats.rx_bytes += pkt_len; 951ca7a8e85SJeff Kirsher dev->stats.rx_packets++; 952ca7a8e85SJeff Kirsher continue; 953ca7a8e85SJeff Kirsher } 954ca7a8e85SJeff Kirsher outw(RxDiscard, ioaddr + EL3_CMD); 955ca7a8e85SJeff Kirsher dev->stats.rx_dropped++; 956ca7a8e85SJeff Kirsher if (el3_debug) 957ca7a8e85SJeff Kirsher pr_debug("%s: Couldn't allocate a sk_buff of size %d.\n", 958ca7a8e85SJeff Kirsher dev->name, pkt_len); 959ca7a8e85SJeff Kirsher } 960ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS); /* Delay. */ 961ca7a8e85SJeff Kirsher while (inw(ioaddr + EL3_STATUS) & 0x1000) 962ca7a8e85SJeff Kirsher pr_debug(" Waiting for 3c509 to discard packet, status %x.\n", 963ca7a8e85SJeff Kirsher inw(ioaddr + EL3_STATUS) ); 964ca7a8e85SJeff Kirsher } 965ca7a8e85SJeff Kirsher 966ca7a8e85SJeff Kirsher return 0; 967ca7a8e85SJeff Kirsher } 968ca7a8e85SJeff Kirsher 969ca7a8e85SJeff Kirsher /* 970ca7a8e85SJeff Kirsher * Set or clear the multicast filter for this adaptor. 971ca7a8e85SJeff Kirsher */ 972ca7a8e85SJeff Kirsher static void 973ca7a8e85SJeff Kirsher set_multicast_list(struct net_device *dev) 974ca7a8e85SJeff Kirsher { 975ca7a8e85SJeff Kirsher unsigned long flags; 976ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 977ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 978ca7a8e85SJeff Kirsher int mc_count = netdev_mc_count(dev); 979ca7a8e85SJeff Kirsher 980ca7a8e85SJeff Kirsher if (el3_debug > 1) { 981ca7a8e85SJeff Kirsher static int old; 982ca7a8e85SJeff Kirsher if (old != mc_count) { 983ca7a8e85SJeff Kirsher old = mc_count; 984ca7a8e85SJeff Kirsher pr_debug("%s: Setting Rx mode to %d addresses.\n", 985ca7a8e85SJeff Kirsher dev->name, mc_count); 986ca7a8e85SJeff Kirsher } 987ca7a8e85SJeff Kirsher } 988ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 989ca7a8e85SJeff Kirsher if (dev->flags&IFF_PROMISC) { 990ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast | RxProm, 991ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 992ca7a8e85SJeff Kirsher } 993ca7a8e85SJeff Kirsher else if (mc_count || (dev->flags&IFF_ALLMULTI)) { 994ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast, ioaddr + EL3_CMD); 995ca7a8e85SJeff Kirsher } 996ca7a8e85SJeff Kirsher else 997ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); 998ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 999ca7a8e85SJeff Kirsher } 1000ca7a8e85SJeff Kirsher 1001ca7a8e85SJeff Kirsher static int 1002ca7a8e85SJeff Kirsher el3_close(struct net_device *dev) 1003ca7a8e85SJeff Kirsher { 1004ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1005ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1006ca7a8e85SJeff Kirsher 1007ca7a8e85SJeff Kirsher if (el3_debug > 2) 1008ca7a8e85SJeff Kirsher pr_debug("%s: Shutting down ethercard.\n", dev->name); 1009ca7a8e85SJeff Kirsher 1010ca7a8e85SJeff Kirsher el3_down(dev); 1011ca7a8e85SJeff Kirsher 1012ca7a8e85SJeff Kirsher free_irq(dev->irq, dev); 1013ca7a8e85SJeff Kirsher /* Switching back to window 0 disables the IRQ. */ 1014ca7a8e85SJeff Kirsher EL3WINDOW(0); 1015ca7a8e85SJeff Kirsher if (lp->type != EL3_EISA) { 1016ca7a8e85SJeff Kirsher /* But we explicitly zero the IRQ line select anyway. Don't do 1017ca7a8e85SJeff Kirsher * it on EISA cards, it prevents the module from getting an 1018ca7a8e85SJeff Kirsher * IRQ after unload+reload... */ 1019ca7a8e85SJeff Kirsher outw(0x0f00, ioaddr + WN0_IRQ); 1020ca7a8e85SJeff Kirsher } 1021ca7a8e85SJeff Kirsher 1022ca7a8e85SJeff Kirsher return 0; 1023ca7a8e85SJeff Kirsher } 1024ca7a8e85SJeff Kirsher 1025ca7a8e85SJeff Kirsher static int 1026ca7a8e85SJeff Kirsher el3_link_ok(struct net_device *dev) 1027ca7a8e85SJeff Kirsher { 1028ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1029ca7a8e85SJeff Kirsher u16 tmp; 1030ca7a8e85SJeff Kirsher 1031ca7a8e85SJeff Kirsher EL3WINDOW(4); 1032ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_MEDIA); 1033ca7a8e85SJeff Kirsher EL3WINDOW(1); 1034ca7a8e85SJeff Kirsher return tmp & (1<<11); 1035ca7a8e85SJeff Kirsher } 1036ca7a8e85SJeff Kirsher 1037697dae1eSyuval.shaia@oracle.com static void 1038b646cf29SPhilippe Reynes el3_netdev_get_ecmd(struct net_device *dev, struct ethtool_link_ksettings *cmd) 1039ca7a8e85SJeff Kirsher { 1040ca7a8e85SJeff Kirsher u16 tmp; 1041ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1042b646cf29SPhilippe Reynes u32 supported; 1043ca7a8e85SJeff Kirsher 1044ca7a8e85SJeff Kirsher EL3WINDOW(0); 1045ca7a8e85SJeff Kirsher /* obtain current transceiver via WN4_MEDIA? */ 1046ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1047ca7a8e85SJeff Kirsher switch (tmp >> 14) { 1048ca7a8e85SJeff Kirsher case 0: 1049b646cf29SPhilippe Reynes cmd->base.port = PORT_TP; 1050ca7a8e85SJeff Kirsher break; 1051ca7a8e85SJeff Kirsher case 1: 1052b646cf29SPhilippe Reynes cmd->base.port = PORT_AUI; 1053ca7a8e85SJeff Kirsher break; 1054ca7a8e85SJeff Kirsher case 3: 1055b646cf29SPhilippe Reynes cmd->base.port = PORT_BNC; 1056097c8ff0SGustavo A. R. Silva break; 1057ca7a8e85SJeff Kirsher default: 1058ca7a8e85SJeff Kirsher break; 1059ca7a8e85SJeff Kirsher } 1060ca7a8e85SJeff Kirsher 1061b646cf29SPhilippe Reynes cmd->base.duplex = DUPLEX_HALF; 1062b646cf29SPhilippe Reynes supported = 0; 1063ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_CONF_CTRL); 1064ca7a8e85SJeff Kirsher if (tmp & (1<<13)) 1065b646cf29SPhilippe Reynes supported |= SUPPORTED_AUI; 1066ca7a8e85SJeff Kirsher if (tmp & (1<<12)) 1067b646cf29SPhilippe Reynes supported |= SUPPORTED_BNC; 1068ca7a8e85SJeff Kirsher if (tmp & (1<<9)) { 1069b646cf29SPhilippe Reynes supported |= SUPPORTED_TP | SUPPORTED_10baseT_Half | 1070ca7a8e85SJeff Kirsher SUPPORTED_10baseT_Full; /* hmm... */ 1071ca7a8e85SJeff Kirsher EL3WINDOW(4); 1072ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_NETDIAG); 1073ca7a8e85SJeff Kirsher if (tmp & FD_ENABLE) 1074b646cf29SPhilippe Reynes cmd->base.duplex = DUPLEX_FULL; 1075ca7a8e85SJeff Kirsher } 1076ca7a8e85SJeff Kirsher 1077b646cf29SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 1078b646cf29SPhilippe Reynes supported); 1079b646cf29SPhilippe Reynes cmd->base.speed = SPEED_10; 1080ca7a8e85SJeff Kirsher EL3WINDOW(1); 1081ca7a8e85SJeff Kirsher } 1082ca7a8e85SJeff Kirsher 1083ca7a8e85SJeff Kirsher static int 1084b646cf29SPhilippe Reynes el3_netdev_set_ecmd(struct net_device *dev, 1085b646cf29SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 1086ca7a8e85SJeff Kirsher { 1087ca7a8e85SJeff Kirsher u16 tmp; 1088ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1089ca7a8e85SJeff Kirsher 1090b646cf29SPhilippe Reynes if (cmd->base.speed != SPEED_10) 1091ca7a8e85SJeff Kirsher return -EINVAL; 1092b646cf29SPhilippe Reynes if ((cmd->base.duplex != DUPLEX_HALF) && 1093b646cf29SPhilippe Reynes (cmd->base.duplex != DUPLEX_FULL)) 1094ca7a8e85SJeff Kirsher return -EINVAL; 1095ca7a8e85SJeff Kirsher 1096ca7a8e85SJeff Kirsher /* change XCVR type */ 1097ca7a8e85SJeff Kirsher EL3WINDOW(0); 1098ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1099b646cf29SPhilippe Reynes switch (cmd->base.port) { 1100ca7a8e85SJeff Kirsher case PORT_TP: 1101ca7a8e85SJeff Kirsher tmp &= ~(3<<14); 1102ca7a8e85SJeff Kirsher dev->if_port = 0; 1103ca7a8e85SJeff Kirsher break; 1104ca7a8e85SJeff Kirsher case PORT_AUI: 1105ca7a8e85SJeff Kirsher tmp |= (1<<14); 1106ca7a8e85SJeff Kirsher dev->if_port = 1; 1107ca7a8e85SJeff Kirsher break; 1108ca7a8e85SJeff Kirsher case PORT_BNC: 1109ca7a8e85SJeff Kirsher tmp |= (3<<14); 1110ca7a8e85SJeff Kirsher dev->if_port = 3; 1111ca7a8e85SJeff Kirsher break; 1112ca7a8e85SJeff Kirsher default: 1113ca7a8e85SJeff Kirsher return -EINVAL; 1114ca7a8e85SJeff Kirsher } 1115ca7a8e85SJeff Kirsher 1116ca7a8e85SJeff Kirsher outw(tmp, ioaddr + WN0_ADDR_CONF); 1117ca7a8e85SJeff Kirsher if (dev->if_port == 3) { 1118ca7a8e85SJeff Kirsher /* fire up the DC-DC convertor if BNC gets enabled */ 1119ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN0_ADDR_CONF); 1120ca7a8e85SJeff Kirsher if (tmp & (3 << 14)) { 1121ca7a8e85SJeff Kirsher outw(StartCoax, ioaddr + EL3_CMD); 1122ca7a8e85SJeff Kirsher udelay(800); 1123ca7a8e85SJeff Kirsher } else 1124ca7a8e85SJeff Kirsher return -EIO; 1125ca7a8e85SJeff Kirsher } 1126ca7a8e85SJeff Kirsher 1127ca7a8e85SJeff Kirsher EL3WINDOW(4); 1128ca7a8e85SJeff Kirsher tmp = inw(ioaddr + WN4_NETDIAG); 1129b646cf29SPhilippe Reynes if (cmd->base.duplex == DUPLEX_FULL) 1130ca7a8e85SJeff Kirsher tmp |= FD_ENABLE; 1131ca7a8e85SJeff Kirsher else 1132ca7a8e85SJeff Kirsher tmp &= ~FD_ENABLE; 1133ca7a8e85SJeff Kirsher outw(tmp, ioaddr + WN4_NETDIAG); 1134ca7a8e85SJeff Kirsher EL3WINDOW(1); 1135ca7a8e85SJeff Kirsher 1136ca7a8e85SJeff Kirsher return 0; 1137ca7a8e85SJeff Kirsher } 1138ca7a8e85SJeff Kirsher 1139ca7a8e85SJeff Kirsher static void el3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 1140ca7a8e85SJeff Kirsher { 11417826d43fSJiri Pirko strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 1142ca7a8e85SJeff Kirsher } 1143ca7a8e85SJeff Kirsher 1144b646cf29SPhilippe Reynes static int el3_get_link_ksettings(struct net_device *dev, 1145b646cf29SPhilippe Reynes struct ethtool_link_ksettings *cmd) 1146ca7a8e85SJeff Kirsher { 1147ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1148ca7a8e85SJeff Kirsher 1149ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1150697dae1eSyuval.shaia@oracle.com el3_netdev_get_ecmd(dev, cmd); 1151ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1152697dae1eSyuval.shaia@oracle.com return 0; 1153ca7a8e85SJeff Kirsher } 1154ca7a8e85SJeff Kirsher 1155b646cf29SPhilippe Reynes static int el3_set_link_ksettings(struct net_device *dev, 1156b646cf29SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 1157ca7a8e85SJeff Kirsher { 1158ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1159ca7a8e85SJeff Kirsher int ret; 1160ca7a8e85SJeff Kirsher 1161ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1162b646cf29SPhilippe Reynes ret = el3_netdev_set_ecmd(dev, cmd); 1163ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1164ca7a8e85SJeff Kirsher return ret; 1165ca7a8e85SJeff Kirsher } 1166ca7a8e85SJeff Kirsher 1167ca7a8e85SJeff Kirsher static u32 el3_get_link(struct net_device *dev) 1168ca7a8e85SJeff Kirsher { 1169ca7a8e85SJeff Kirsher struct el3_private *lp = netdev_priv(dev); 1170ca7a8e85SJeff Kirsher u32 ret; 1171ca7a8e85SJeff Kirsher 1172ca7a8e85SJeff Kirsher spin_lock_irq(&lp->lock); 1173ca7a8e85SJeff Kirsher ret = el3_link_ok(dev); 1174ca7a8e85SJeff Kirsher spin_unlock_irq(&lp->lock); 1175ca7a8e85SJeff Kirsher return ret; 1176ca7a8e85SJeff Kirsher } 1177ca7a8e85SJeff Kirsher 1178ca7a8e85SJeff Kirsher static u32 el3_get_msglevel(struct net_device *dev) 1179ca7a8e85SJeff Kirsher { 1180ca7a8e85SJeff Kirsher return el3_debug; 1181ca7a8e85SJeff Kirsher } 1182ca7a8e85SJeff Kirsher 1183ca7a8e85SJeff Kirsher static void el3_set_msglevel(struct net_device *dev, u32 v) 1184ca7a8e85SJeff Kirsher { 1185ca7a8e85SJeff Kirsher el3_debug = v; 1186ca7a8e85SJeff Kirsher } 1187ca7a8e85SJeff Kirsher 1188ca7a8e85SJeff Kirsher static const struct ethtool_ops ethtool_ops = { 1189ca7a8e85SJeff Kirsher .get_drvinfo = el3_get_drvinfo, 1190ca7a8e85SJeff Kirsher .get_link = el3_get_link, 1191ca7a8e85SJeff Kirsher .get_msglevel = el3_get_msglevel, 1192ca7a8e85SJeff Kirsher .set_msglevel = el3_set_msglevel, 1193b646cf29SPhilippe Reynes .get_link_ksettings = el3_get_link_ksettings, 1194b646cf29SPhilippe Reynes .set_link_ksettings = el3_set_link_ksettings, 1195ca7a8e85SJeff Kirsher }; 1196ca7a8e85SJeff Kirsher 1197ca7a8e85SJeff Kirsher static void 1198ca7a8e85SJeff Kirsher el3_down(struct net_device *dev) 1199ca7a8e85SJeff Kirsher { 1200ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1201ca7a8e85SJeff Kirsher 1202ca7a8e85SJeff Kirsher netif_stop_queue(dev); 1203ca7a8e85SJeff Kirsher 1204ca7a8e85SJeff Kirsher /* Turn off statistics ASAP. We update lp->stats below. */ 1205ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 1206ca7a8e85SJeff Kirsher 1207ca7a8e85SJeff Kirsher /* Disable the receiver and transmitter. */ 1208ca7a8e85SJeff Kirsher outw(RxDisable, ioaddr + EL3_CMD); 1209ca7a8e85SJeff Kirsher outw(TxDisable, ioaddr + EL3_CMD); 1210ca7a8e85SJeff Kirsher 1211ca7a8e85SJeff Kirsher if (dev->if_port == 3) 1212ca7a8e85SJeff Kirsher /* Turn off thinnet power. Green! */ 1213ca7a8e85SJeff Kirsher outw(StopCoax, ioaddr + EL3_CMD); 1214ca7a8e85SJeff Kirsher else if (dev->if_port == 0) { 1215ca7a8e85SJeff Kirsher /* Disable link beat and jabber, if_port may change here next open(). */ 1216ca7a8e85SJeff Kirsher EL3WINDOW(4); 1217ca7a8e85SJeff Kirsher outw(inw(ioaddr + WN4_MEDIA) & ~MEDIA_TP, ioaddr + WN4_MEDIA); 1218ca7a8e85SJeff Kirsher } 1219ca7a8e85SJeff Kirsher 1220ca7a8e85SJeff Kirsher outw(SetIntrEnb | 0x0000, ioaddr + EL3_CMD); 1221ca7a8e85SJeff Kirsher 1222ca7a8e85SJeff Kirsher update_stats(dev); 1223ca7a8e85SJeff Kirsher } 1224ca7a8e85SJeff Kirsher 1225ca7a8e85SJeff Kirsher static void 1226ca7a8e85SJeff Kirsher el3_up(struct net_device *dev) 1227ca7a8e85SJeff Kirsher { 1228ca7a8e85SJeff Kirsher int i, sw_info, net_diag; 1229ca7a8e85SJeff Kirsher int ioaddr = dev->base_addr; 1230ca7a8e85SJeff Kirsher 1231ca7a8e85SJeff Kirsher /* Activating the board required and does no harm otherwise */ 1232ca7a8e85SJeff Kirsher outw(0x0001, ioaddr + 4); 1233ca7a8e85SJeff Kirsher 1234ca7a8e85SJeff Kirsher /* Set the IRQ line. */ 1235ca7a8e85SJeff Kirsher outw((dev->irq << 12) | 0x0f00, ioaddr + WN0_IRQ); 1236ca7a8e85SJeff Kirsher 1237ca7a8e85SJeff Kirsher /* Set the station address in window 2 each time opened. */ 1238ca7a8e85SJeff Kirsher EL3WINDOW(2); 1239ca7a8e85SJeff Kirsher 1240ca7a8e85SJeff Kirsher for (i = 0; i < 6; i++) 1241ca7a8e85SJeff Kirsher outb(dev->dev_addr[i], ioaddr + i); 1242ca7a8e85SJeff Kirsher 1243ca7a8e85SJeff Kirsher if ((dev->if_port & 0x03) == 3) /* BNC interface */ 1244ca7a8e85SJeff Kirsher /* Start the thinnet transceiver. We should really wait 50ms...*/ 1245ca7a8e85SJeff Kirsher outw(StartCoax, ioaddr + EL3_CMD); 1246ca7a8e85SJeff Kirsher else if ((dev->if_port & 0x03) == 0) { /* 10baseT interface */ 1247ca7a8e85SJeff Kirsher /* Combine secondary sw_info word (the adapter level) and primary 1248ca7a8e85SJeff Kirsher sw_info word (duplex setting plus other useless bits) */ 1249ca7a8e85SJeff Kirsher EL3WINDOW(0); 1250ca7a8e85SJeff Kirsher sw_info = (read_eeprom(ioaddr, 0x14) & 0x400f) | 1251ca7a8e85SJeff Kirsher (read_eeprom(ioaddr, 0x0d) & 0xBff0); 1252ca7a8e85SJeff Kirsher 1253ca7a8e85SJeff Kirsher EL3WINDOW(4); 1254ca7a8e85SJeff Kirsher net_diag = inw(ioaddr + WN4_NETDIAG); 1255ca7a8e85SJeff Kirsher net_diag = (net_diag | FD_ENABLE); /* temporarily assume full-duplex will be set */ 1256ca7a8e85SJeff Kirsher pr_info("%s: ", dev->name); 1257ca7a8e85SJeff Kirsher switch (dev->if_port & 0x0c) { 1258ca7a8e85SJeff Kirsher case 12: 1259ca7a8e85SJeff Kirsher /* force full-duplex mode if 3c5x9b */ 1260ca7a8e85SJeff Kirsher if (sw_info & 0x000f) { 1261ca7a8e85SJeff Kirsher pr_cont("Forcing 3c5x9b full-duplex mode"); 1262ca7a8e85SJeff Kirsher break; 1263ca7a8e85SJeff Kirsher } 1264df561f66SGustavo A. R. Silva fallthrough; 1265ca7a8e85SJeff Kirsher case 8: 1266ca7a8e85SJeff Kirsher /* set full-duplex mode based on eeprom config setting */ 1267ca7a8e85SJeff Kirsher if ((sw_info & 0x000f) && (sw_info & 0x8000)) { 1268ca7a8e85SJeff Kirsher pr_cont("Setting 3c5x9b full-duplex mode (from EEPROM configuration bit)"); 1269ca7a8e85SJeff Kirsher break; 1270ca7a8e85SJeff Kirsher } 1271df561f66SGustavo A. R. Silva fallthrough; 1272ca7a8e85SJeff Kirsher default: 1273ca7a8e85SJeff Kirsher /* xcvr=(0 || 4) OR user has an old 3c5x9 non "B" model */ 1274ca7a8e85SJeff Kirsher pr_cont("Setting 3c5x9/3c5x9B half-duplex mode"); 1275ca7a8e85SJeff Kirsher net_diag = (net_diag & ~FD_ENABLE); /* disable full duplex */ 1276ca7a8e85SJeff Kirsher } 1277ca7a8e85SJeff Kirsher 1278ca7a8e85SJeff Kirsher outw(net_diag, ioaddr + WN4_NETDIAG); 1279ca7a8e85SJeff Kirsher pr_cont(" if_port: %d, sw_info: %4.4x\n", dev->if_port, sw_info); 1280ca7a8e85SJeff Kirsher if (el3_debug > 3) 1281ca7a8e85SJeff Kirsher pr_debug("%s: 3c5x9 net diag word is now: %4.4x.\n", dev->name, net_diag); 1282ca7a8e85SJeff Kirsher /* Enable link beat and jabber check. */ 1283ca7a8e85SJeff Kirsher outw(inw(ioaddr + WN4_MEDIA) | MEDIA_TP, ioaddr + WN4_MEDIA); 1284ca7a8e85SJeff Kirsher } 1285ca7a8e85SJeff Kirsher 1286ca7a8e85SJeff Kirsher /* Switch to the stats window, and clear all stats by reading. */ 1287ca7a8e85SJeff Kirsher outw(StatsDisable, ioaddr + EL3_CMD); 1288ca7a8e85SJeff Kirsher EL3WINDOW(6); 1289ca7a8e85SJeff Kirsher for (i = 0; i < 9; i++) 1290ca7a8e85SJeff Kirsher inb(ioaddr + i); 1291ca7a8e85SJeff Kirsher inw(ioaddr + 10); 1292ca7a8e85SJeff Kirsher inw(ioaddr + 12); 1293ca7a8e85SJeff Kirsher 1294ca7a8e85SJeff Kirsher /* Switch to register set 1 for normal use. */ 1295ca7a8e85SJeff Kirsher EL3WINDOW(1); 1296ca7a8e85SJeff Kirsher 1297ca7a8e85SJeff Kirsher /* Accept b-case and phys addr only. */ 1298ca7a8e85SJeff Kirsher outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); 1299ca7a8e85SJeff Kirsher outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ 1300ca7a8e85SJeff Kirsher 1301ca7a8e85SJeff Kirsher outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ 1302ca7a8e85SJeff Kirsher outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ 1303ca7a8e85SJeff Kirsher /* Allow status bits to be seen. */ 1304ca7a8e85SJeff Kirsher outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD); 1305ca7a8e85SJeff Kirsher /* Ack all pending events, and set active indicator mask. */ 1306ca7a8e85SJeff Kirsher outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, 1307ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 1308ca7a8e85SJeff Kirsher outw(SetIntrEnb | IntLatch|TxAvailable|TxComplete|RxComplete|StatsFull, 1309ca7a8e85SJeff Kirsher ioaddr + EL3_CMD); 1310ca7a8e85SJeff Kirsher 1311ca7a8e85SJeff Kirsher netif_start_queue(dev); 1312ca7a8e85SJeff Kirsher } 1313ca7a8e85SJeff Kirsher 1314ca7a8e85SJeff Kirsher /* Power Management support functions */ 1315ca7a8e85SJeff Kirsher #ifdef CONFIG_PM 1316ca7a8e85SJeff Kirsher 1317ca7a8e85SJeff Kirsher static int 1318ca7a8e85SJeff Kirsher el3_suspend(struct device *pdev, pm_message_t state) 1319ca7a8e85SJeff Kirsher { 1320ca7a8e85SJeff Kirsher unsigned long flags; 1321ca7a8e85SJeff Kirsher struct net_device *dev; 1322ca7a8e85SJeff Kirsher struct el3_private *lp; 1323ca7a8e85SJeff Kirsher int ioaddr; 1324ca7a8e85SJeff Kirsher 1325ca7a8e85SJeff Kirsher dev = dev_get_drvdata(pdev); 1326ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 1327ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 1328ca7a8e85SJeff Kirsher 1329ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 1330ca7a8e85SJeff Kirsher 1331ca7a8e85SJeff Kirsher if (netif_running(dev)) 1332ca7a8e85SJeff Kirsher netif_device_detach(dev); 1333ca7a8e85SJeff Kirsher 1334ca7a8e85SJeff Kirsher el3_down(dev); 1335ca7a8e85SJeff Kirsher outw(PowerDown, ioaddr + EL3_CMD); 1336ca7a8e85SJeff Kirsher 1337ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 1338ca7a8e85SJeff Kirsher return 0; 1339ca7a8e85SJeff Kirsher } 1340ca7a8e85SJeff Kirsher 1341ca7a8e85SJeff Kirsher static int 1342ca7a8e85SJeff Kirsher el3_resume(struct device *pdev) 1343ca7a8e85SJeff Kirsher { 1344ca7a8e85SJeff Kirsher unsigned long flags; 1345ca7a8e85SJeff Kirsher struct net_device *dev; 1346ca7a8e85SJeff Kirsher struct el3_private *lp; 1347ca7a8e85SJeff Kirsher int ioaddr; 1348ca7a8e85SJeff Kirsher 1349ca7a8e85SJeff Kirsher dev = dev_get_drvdata(pdev); 1350ca7a8e85SJeff Kirsher lp = netdev_priv(dev); 1351ca7a8e85SJeff Kirsher ioaddr = dev->base_addr; 1352ca7a8e85SJeff Kirsher 1353ca7a8e85SJeff Kirsher spin_lock_irqsave(&lp->lock, flags); 1354ca7a8e85SJeff Kirsher 1355ca7a8e85SJeff Kirsher outw(PowerUp, ioaddr + EL3_CMD); 1356ca7a8e85SJeff Kirsher EL3WINDOW(0); 1357ca7a8e85SJeff Kirsher el3_up(dev); 1358ca7a8e85SJeff Kirsher 1359ca7a8e85SJeff Kirsher if (netif_running(dev)) 1360ca7a8e85SJeff Kirsher netif_device_attach(dev); 1361ca7a8e85SJeff Kirsher 1362ca7a8e85SJeff Kirsher spin_unlock_irqrestore(&lp->lock, flags); 1363ca7a8e85SJeff Kirsher return 0; 1364ca7a8e85SJeff Kirsher } 1365ca7a8e85SJeff Kirsher 1366ca7a8e85SJeff Kirsher #endif /* CONFIG_PM */ 1367ca7a8e85SJeff Kirsher 1368ca7a8e85SJeff Kirsher module_param(debug,int, 0); 1369df298408SDavid Howells module_param_hw_array(irq, int, irq, NULL, 0); 1370ca7a8e85SJeff Kirsher module_param(max_interrupt_work, int, 0); 1371ca7a8e85SJeff Kirsher MODULE_PARM_DESC(debug, "debug level (0-6)"); 1372ca7a8e85SJeff Kirsher MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); 1373ca7a8e85SJeff Kirsher MODULE_PARM_DESC(max_interrupt_work, "maximum events handled per interrupt"); 1374ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1375ca7a8e85SJeff Kirsher module_param(nopnp, int, 0); 1376ca7a8e85SJeff Kirsher MODULE_PARM_DESC(nopnp, "disable ISA PnP support (0-1)"); 1377ca7a8e85SJeff Kirsher #endif /* CONFIG_PNP */ 1378ca7a8e85SJeff Kirsher MODULE_DESCRIPTION("3Com Etherlink III (3c509, 3c509B, 3c529, 3c579) ethernet driver"); 1379ca7a8e85SJeff Kirsher MODULE_LICENSE("GPL"); 1380ca7a8e85SJeff Kirsher 1381ca7a8e85SJeff Kirsher static int __init el3_init_module(void) 1382ca7a8e85SJeff Kirsher { 1383ca7a8e85SJeff Kirsher int ret = 0; 1384ca7a8e85SJeff Kirsher 1385ca7a8e85SJeff Kirsher if (debug >= 0) 1386ca7a8e85SJeff Kirsher el3_debug = debug; 1387ca7a8e85SJeff Kirsher 1388ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1389ca7a8e85SJeff Kirsher if (!nopnp) { 1390ca7a8e85SJeff Kirsher ret = pnp_register_driver(&el3_pnp_driver); 1391ca7a8e85SJeff Kirsher if (!ret) 1392ca7a8e85SJeff Kirsher pnp_registered = 1; 1393ca7a8e85SJeff Kirsher } 1394ca7a8e85SJeff Kirsher #endif 1395ca7a8e85SJeff Kirsher /* Select an open I/O location at 0x1*0 to do ISA contention select. */ 1396ca7a8e85SJeff Kirsher /* Start with 0x110 to avoid some sound cards.*/ 1397ca7a8e85SJeff Kirsher for (id_port = 0x110 ; id_port < 0x200; id_port += 0x10) { 1398ca7a8e85SJeff Kirsher if (!request_region(id_port, 1, "3c509-control")) 1399ca7a8e85SJeff Kirsher continue; 1400ca7a8e85SJeff Kirsher outb(0x00, id_port); 1401ca7a8e85SJeff Kirsher outb(0xff, id_port); 1402ca7a8e85SJeff Kirsher if (inb(id_port) & 0x01) 1403ca7a8e85SJeff Kirsher break; 1404ca7a8e85SJeff Kirsher else 1405ca7a8e85SJeff Kirsher release_region(id_port, 1); 1406ca7a8e85SJeff Kirsher } 1407ca7a8e85SJeff Kirsher if (id_port >= 0x200) { 1408ca7a8e85SJeff Kirsher id_port = 0; 1409ca7a8e85SJeff Kirsher pr_err("No I/O port available for 3c509 activation.\n"); 1410ca7a8e85SJeff Kirsher } else { 1411ca7a8e85SJeff Kirsher ret = isa_register_driver(&el3_isa_driver, EL3_MAX_CARDS); 1412ca7a8e85SJeff Kirsher if (!ret) 1413ca7a8e85SJeff Kirsher isa_registered = 1; 1414ca7a8e85SJeff Kirsher } 1415ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1416ca7a8e85SJeff Kirsher ret = eisa_driver_register(&el3_eisa_driver); 1417ca7a8e85SJeff Kirsher if (!ret) 1418ca7a8e85SJeff Kirsher eisa_registered = 1; 1419ca7a8e85SJeff Kirsher #endif 1420ca7a8e85SJeff Kirsher 1421ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1422ca7a8e85SJeff Kirsher if (pnp_registered) 1423ca7a8e85SJeff Kirsher ret = 0; 1424ca7a8e85SJeff Kirsher #endif 1425ca7a8e85SJeff Kirsher if (isa_registered) 1426ca7a8e85SJeff Kirsher ret = 0; 1427ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1428ca7a8e85SJeff Kirsher if (eisa_registered) 1429ca7a8e85SJeff Kirsher ret = 0; 1430ca7a8e85SJeff Kirsher #endif 1431ca7a8e85SJeff Kirsher return ret; 1432ca7a8e85SJeff Kirsher } 1433ca7a8e85SJeff Kirsher 1434ca7a8e85SJeff Kirsher static void __exit el3_cleanup_module(void) 1435ca7a8e85SJeff Kirsher { 1436ca7a8e85SJeff Kirsher #ifdef CONFIG_PNP 1437ca7a8e85SJeff Kirsher if (pnp_registered) 1438ca7a8e85SJeff Kirsher pnp_unregister_driver(&el3_pnp_driver); 1439ca7a8e85SJeff Kirsher #endif 1440ca7a8e85SJeff Kirsher if (isa_registered) 1441ca7a8e85SJeff Kirsher isa_unregister_driver(&el3_isa_driver); 1442ca7a8e85SJeff Kirsher if (id_port) 1443ca7a8e85SJeff Kirsher release_region(id_port, 1); 1444ca7a8e85SJeff Kirsher #ifdef CONFIG_EISA 1445ca7a8e85SJeff Kirsher if (eisa_registered) 1446ca7a8e85SJeff Kirsher eisa_driver_unregister(&el3_eisa_driver); 1447ca7a8e85SJeff Kirsher #endif 1448ca7a8e85SJeff Kirsher } 1449ca7a8e85SJeff Kirsher 1450ca7a8e85SJeff Kirsher module_init (el3_init_module); 1451ca7a8e85SJeff Kirsher module_exit (el3_cleanup_module); 1452