11da177e4SLinus Torvalds /* drivers/atm/idt77105.c - IDT77105 (PHY) driver */ 21da177e4SLinus Torvalds 31da177e4SLinus Torvalds /* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.c */ 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds 61da177e4SLinus Torvalds #include <linux/module.h> 71da177e4SLinus Torvalds #include <linux/kernel.h> 81da177e4SLinus Torvalds #include <linux/mm.h> 91da177e4SLinus Torvalds #include <linux/errno.h> 101da177e4SLinus Torvalds #include <linux/atmdev.h> 111da177e4SLinus Torvalds #include <linux/sonet.h> 121da177e4SLinus Torvalds #include <linux/delay.h> 131da177e4SLinus Torvalds #include <linux/timer.h> 141da177e4SLinus Torvalds #include <linux/init.h> 151da177e4SLinus Torvalds #include <linux/capability.h> 161da177e4SLinus Torvalds #include <linux/atm_idt77105.h> 171da177e4SLinus Torvalds #include <linux/spinlock.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 191da177e4SLinus Torvalds #include <asm/param.h> 207c0f6ba6SLinus Torvalds #include <linux/uaccess.h> 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #include "idt77105.h" 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #undef GENERAL_DEBUG 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #ifdef GENERAL_DEBUG 271da177e4SLinus Torvalds #define DPRINTK(format,args...) printk(KERN_DEBUG format,##args) 281da177e4SLinus Torvalds #else 291da177e4SLinus Torvalds #define DPRINTK(format,args...) 301da177e4SLinus Torvalds #endif 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds struct idt77105_priv { 341da177e4SLinus Torvalds struct idt77105_stats stats; /* link diagnostics */ 351da177e4SLinus Torvalds struct atm_dev *dev; /* device back-pointer */ 361da177e4SLinus Torvalds struct idt77105_priv *next; 371da177e4SLinus Torvalds int loop_mode; 381da177e4SLinus Torvalds unsigned char old_mcr; /* storage of MCR reg while signal lost */ 391da177e4SLinus Torvalds }; 401da177e4SLinus Torvalds 411da177e4SLinus Torvalds static DEFINE_SPINLOCK(idt77105_priv_lock); 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds #define PRIV(dev) ((struct idt77105_priv *) dev->phy_data) 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds #define PUT(val,reg) dev->ops->phy_put(dev,val,IDT77105_##reg) 461da177e4SLinus Torvalds #define GET(reg) dev->ops->phy_get(dev,IDT77105_##reg) 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds static void idt77105_stats_timer_func(unsigned long); 491da177e4SLinus Torvalds static void idt77105_restart_timer_func(unsigned long); 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds 521d27e3e2SKees Cook static DEFINE_TIMER(stats_timer, idt77105_stats_timer_func); 531d27e3e2SKees Cook static DEFINE_TIMER(restart_timer, idt77105_restart_timer_func); 541da177e4SLinus Torvalds static int start_timer = 1; 551da177e4SLinus Torvalds static struct idt77105_priv *idt77105_all = NULL; 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds /* 581da177e4SLinus Torvalds * Retrieve the value of one of the IDT77105's counters. 591da177e4SLinus Torvalds * `counter' is one of the IDT77105_CTRSEL_* constants. 601da177e4SLinus Torvalds */ 611da177e4SLinus Torvalds static u16 get_counter(struct atm_dev *dev, int counter) 621da177e4SLinus Torvalds { 631da177e4SLinus Torvalds u16 val; 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds /* write the counter bit into PHY register 6 */ 661da177e4SLinus Torvalds PUT(counter, CTRSEL); 671da177e4SLinus Torvalds /* read the low 8 bits from register 4 */ 681da177e4SLinus Torvalds val = GET(CTRLO); 691da177e4SLinus Torvalds /* read the high 8 bits from register 5 */ 701da177e4SLinus Torvalds val |= GET(CTRHI)<<8; 711da177e4SLinus Torvalds 721da177e4SLinus Torvalds return val; 731da177e4SLinus Torvalds } 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds /* 761da177e4SLinus Torvalds * Timer function called every second to gather statistics 771da177e4SLinus Torvalds * from the 77105. This is done because the h/w registers 781da177e4SLinus Torvalds * will overflow if not read at least once per second. The 791da177e4SLinus Torvalds * kernel's stats are much higher precision. Also, having 801da177e4SLinus Torvalds * a separate copy of the stats allows implementation of 811da177e4SLinus Torvalds * an ioctl which gathers the stats *without* zero'ing them. 821da177e4SLinus Torvalds */ 831da177e4SLinus Torvalds static void idt77105_stats_timer_func(unsigned long dummy) 841da177e4SLinus Torvalds { 851da177e4SLinus Torvalds struct idt77105_priv *walk; 861da177e4SLinus Torvalds struct atm_dev *dev; 871da177e4SLinus Torvalds struct idt77105_stats *stats; 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds DPRINTK("IDT77105 gathering statistics\n"); 901da177e4SLinus Torvalds for (walk = idt77105_all; walk; walk = walk->next) { 911da177e4SLinus Torvalds dev = walk->dev; 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds stats = &walk->stats; 941da177e4SLinus Torvalds stats->symbol_errors += get_counter(dev, IDT77105_CTRSEL_SEC); 951da177e4SLinus Torvalds stats->tx_cells += get_counter(dev, IDT77105_CTRSEL_TCC); 961da177e4SLinus Torvalds stats->rx_cells += get_counter(dev, IDT77105_CTRSEL_RCC); 971da177e4SLinus Torvalds stats->rx_hec_errors += get_counter(dev, IDT77105_CTRSEL_RHEC); 981da177e4SLinus Torvalds } 991da177e4SLinus Torvalds if (!start_timer) mod_timer(&stats_timer,jiffies+IDT77105_STATS_TIMER_PERIOD); 1001da177e4SLinus Torvalds } 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvalds /* 1041da177e4SLinus Torvalds * A separate timer func which handles restarting PHY chips which 1051da177e4SLinus Torvalds * have had the cable re-inserted after being pulled out. This is 1061da177e4SLinus Torvalds * done by polling the Good Signal Bit in the Interrupt Status 1071da177e4SLinus Torvalds * register every 5 seconds. The other technique (checking Good 1081da177e4SLinus Torvalds * Signal Bit in the interrupt handler) cannot be used because PHY 1091da177e4SLinus Torvalds * interrupts need to be disabled when the cable is pulled out 1101da177e4SLinus Torvalds * to avoid lots of spurious cell error interrupts. 1111da177e4SLinus Torvalds */ 1121da177e4SLinus Torvalds static void idt77105_restart_timer_func(unsigned long dummy) 1131da177e4SLinus Torvalds { 1141da177e4SLinus Torvalds struct idt77105_priv *walk; 1151da177e4SLinus Torvalds struct atm_dev *dev; 1161da177e4SLinus Torvalds unsigned char istat; 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds DPRINTK("IDT77105 checking for cable re-insertion\n"); 1191da177e4SLinus Torvalds for (walk = idt77105_all; walk; walk = walk->next) { 1201da177e4SLinus Torvalds dev = walk->dev; 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds if (dev->signal != ATM_PHY_SIG_LOST) 1231da177e4SLinus Torvalds continue; 1241da177e4SLinus Torvalds 1251da177e4SLinus Torvalds istat = GET(ISTAT); /* side effect: clears all interrupt status bits */ 1261da177e4SLinus Torvalds if (istat & IDT77105_ISTAT_GOODSIG) { 1271da177e4SLinus Torvalds /* Found signal again */ 12807534553SKarl Hiramoto atm_dev_signal_change(dev, ATM_PHY_SIG_FOUND); 1291da177e4SLinus Torvalds printk(KERN_NOTICE "%s(itf %d): signal detected again\n", 1301da177e4SLinus Torvalds dev->type,dev->number); 1311da177e4SLinus Torvalds /* flush the receive FIFO */ 1321da177e4SLinus Torvalds PUT( GET(DIAG) | IDT77105_DIAG_RFLUSH, DIAG); 1331da177e4SLinus Torvalds /* re-enable interrupts */ 1341da177e4SLinus Torvalds PUT( walk->old_mcr ,MCR); 1351da177e4SLinus Torvalds } 1361da177e4SLinus Torvalds } 1371da177e4SLinus Torvalds if (!start_timer) mod_timer(&restart_timer,jiffies+IDT77105_RESTART_TIMER_PERIOD); 1381da177e4SLinus Torvalds } 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvalds static int fetch_stats(struct atm_dev *dev,struct idt77105_stats __user *arg,int zero) 1421da177e4SLinus Torvalds { 1431da177e4SLinus Torvalds unsigned long flags; 1441da177e4SLinus Torvalds struct idt77105_stats stats; 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds spin_lock_irqsave(&idt77105_priv_lock, flags); 1471da177e4SLinus Torvalds memcpy(&stats, &PRIV(dev)->stats, sizeof(struct idt77105_stats)); 1481da177e4SLinus Torvalds if (zero) 1491da177e4SLinus Torvalds memset(&PRIV(dev)->stats, 0, sizeof(struct idt77105_stats)); 1501da177e4SLinus Torvalds spin_unlock_irqrestore(&idt77105_priv_lock, flags); 1511da177e4SLinus Torvalds if (arg == NULL) 1521da177e4SLinus Torvalds return 0; 1532221eca0SVasiliy Kulikov return copy_to_user(arg, &stats, 1541da177e4SLinus Torvalds sizeof(struct idt77105_stats)) ? -EFAULT : 0; 1551da177e4SLinus Torvalds } 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds 1581da177e4SLinus Torvalds static int set_loopback(struct atm_dev *dev,int mode) 1591da177e4SLinus Torvalds { 1601da177e4SLinus Torvalds int diag; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds diag = GET(DIAG) & ~IDT77105_DIAG_LCMASK; 1631da177e4SLinus Torvalds switch (mode) { 1641da177e4SLinus Torvalds case ATM_LM_NONE: 1651da177e4SLinus Torvalds break; 1661da177e4SLinus Torvalds case ATM_LM_LOC_ATM: 1671da177e4SLinus Torvalds diag |= IDT77105_DIAG_LC_PHY_LOOPBACK; 1681da177e4SLinus Torvalds break; 1691da177e4SLinus Torvalds case ATM_LM_RMT_ATM: 1701da177e4SLinus Torvalds diag |= IDT77105_DIAG_LC_LINE_LOOPBACK; 1711da177e4SLinus Torvalds break; 1721da177e4SLinus Torvalds default: 1731da177e4SLinus Torvalds return -EINVAL; 1741da177e4SLinus Torvalds } 1751da177e4SLinus Torvalds PUT(diag,DIAG); 1761da177e4SLinus Torvalds printk(KERN_NOTICE "%s(%d) Loopback mode is: %s\n", dev->type, 1771da177e4SLinus Torvalds dev->number, 1781da177e4SLinus Torvalds (mode == ATM_LM_NONE ? "NONE" : 1791da177e4SLinus Torvalds (mode == ATM_LM_LOC_ATM ? "DIAG (local)" : 1801da177e4SLinus Torvalds (mode == IDT77105_DIAG_LC_LINE_LOOPBACK ? "LOOP (remote)" : 1811da177e4SLinus Torvalds "unknown"))) 1821da177e4SLinus Torvalds ); 1831da177e4SLinus Torvalds PRIV(dev)->loop_mode = mode; 1841da177e4SLinus Torvalds return 0; 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds static int idt77105_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) 1891da177e4SLinus Torvalds { 1901da177e4SLinus Torvalds printk(KERN_NOTICE "%s(%d) idt77105_ioctl() called\n",dev->type,dev->number); 1911da177e4SLinus Torvalds switch (cmd) { 1921da177e4SLinus Torvalds case IDT77105_GETSTATZ: 1931da177e4SLinus Torvalds if (!capable(CAP_NET_ADMIN)) return -EPERM; 1941da177e4SLinus Torvalds /* fall through */ 1951da177e4SLinus Torvalds case IDT77105_GETSTAT: 1961da177e4SLinus Torvalds return fetch_stats(dev, arg, cmd == IDT77105_GETSTATZ); 1971da177e4SLinus Torvalds case ATM_SETLOOP: 1981da177e4SLinus Torvalds return set_loopback(dev,(int)(unsigned long) arg); 1991da177e4SLinus Torvalds case ATM_GETLOOP: 2001da177e4SLinus Torvalds return put_user(PRIV(dev)->loop_mode,(int __user *)arg) ? 2011da177e4SLinus Torvalds -EFAULT : 0; 2021da177e4SLinus Torvalds case ATM_QUERYLOOP: 2031da177e4SLinus Torvalds return put_user(ATM_LM_LOC_ATM | ATM_LM_RMT_ATM, 2041da177e4SLinus Torvalds (int __user *) arg) ? -EFAULT : 0; 2051da177e4SLinus Torvalds default: 2061da177e4SLinus Torvalds return -ENOIOCTLCMD; 2071da177e4SLinus Torvalds } 2081da177e4SLinus Torvalds } 2091da177e4SLinus Torvalds 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds 2121da177e4SLinus Torvalds static void idt77105_int(struct atm_dev *dev) 2131da177e4SLinus Torvalds { 2141da177e4SLinus Torvalds unsigned char istat; 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvalds istat = GET(ISTAT); /* side effect: clears all interrupt status bits */ 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds DPRINTK("IDT77105 generated an interrupt, istat=%02x\n", (unsigned)istat); 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds if (istat & IDT77105_ISTAT_RSCC) { 2211da177e4SLinus Torvalds /* Rx Signal Condition Change - line went up or down */ 2221da177e4SLinus Torvalds if (istat & IDT77105_ISTAT_GOODSIG) { /* signal detected again */ 2231da177e4SLinus Torvalds /* This should not happen (restart timer does it) but JIC */ 22407534553SKarl Hiramoto atm_dev_signal_change(dev, ATM_PHY_SIG_FOUND); 2251da177e4SLinus Torvalds } else { /* signal lost */ 2261da177e4SLinus Torvalds /* 2271da177e4SLinus Torvalds * Disable interrupts and stop all transmission and 2281da177e4SLinus Torvalds * reception - the restart timer will restore these. 2291da177e4SLinus Torvalds */ 2301da177e4SLinus Torvalds PRIV(dev)->old_mcr = GET(MCR); 2311da177e4SLinus Torvalds PUT( 2321da177e4SLinus Torvalds (PRIV(dev)->old_mcr| 2331da177e4SLinus Torvalds IDT77105_MCR_DREC| 2341da177e4SLinus Torvalds IDT77105_MCR_DRIC| 2351da177e4SLinus Torvalds IDT77105_MCR_HALTTX 2361da177e4SLinus Torvalds ) & ~IDT77105_MCR_EIP, MCR); 23707534553SKarl Hiramoto atm_dev_signal_change(dev, ATM_PHY_SIG_LOST); 2381da177e4SLinus Torvalds printk(KERN_NOTICE "%s(itf %d): signal lost\n", 2391da177e4SLinus Torvalds dev->type,dev->number); 2401da177e4SLinus Torvalds } 2411da177e4SLinus Torvalds } 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds if (istat & IDT77105_ISTAT_RFO) { 2441da177e4SLinus Torvalds /* Rx FIFO Overrun -- perform a FIFO flush */ 2451da177e4SLinus Torvalds PUT( GET(DIAG) | IDT77105_DIAG_RFLUSH, DIAG); 2461da177e4SLinus Torvalds printk(KERN_NOTICE "%s(itf %d): receive FIFO overrun\n", 2471da177e4SLinus Torvalds dev->type,dev->number); 2481da177e4SLinus Torvalds } 2491da177e4SLinus Torvalds #ifdef GENERAL_DEBUG 2501da177e4SLinus Torvalds if (istat & (IDT77105_ISTAT_HECERR | IDT77105_ISTAT_SCR | 2511da177e4SLinus Torvalds IDT77105_ISTAT_RSE)) { 2521da177e4SLinus Torvalds /* normally don't care - just report in stats */ 2531da177e4SLinus Torvalds printk(KERN_NOTICE "%s(itf %d): received cell with error\n", 2541da177e4SLinus Torvalds dev->type,dev->number); 2551da177e4SLinus Torvalds } 2561da177e4SLinus Torvalds #endif 2571da177e4SLinus Torvalds } 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds static int idt77105_start(struct atm_dev *dev) 2611da177e4SLinus Torvalds { 2621da177e4SLinus Torvalds unsigned long flags; 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds if (!(dev->dev_data = kmalloc(sizeof(struct idt77105_priv),GFP_KERNEL))) 2651da177e4SLinus Torvalds return -ENOMEM; 2661da177e4SLinus Torvalds PRIV(dev)->dev = dev; 2671da177e4SLinus Torvalds spin_lock_irqsave(&idt77105_priv_lock, flags); 2681da177e4SLinus Torvalds PRIV(dev)->next = idt77105_all; 2691da177e4SLinus Torvalds idt77105_all = PRIV(dev); 2701da177e4SLinus Torvalds spin_unlock_irqrestore(&idt77105_priv_lock, flags); 2711da177e4SLinus Torvalds memset(&PRIV(dev)->stats,0,sizeof(struct idt77105_stats)); 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds /* initialise dev->signal from Good Signal Bit */ 27407534553SKarl Hiramoto atm_dev_signal_change(dev, 27507534553SKarl Hiramoto GET(ISTAT) & IDT77105_ISTAT_GOODSIG ? 27607534553SKarl Hiramoto ATM_PHY_SIG_FOUND : ATM_PHY_SIG_LOST); 2771da177e4SLinus Torvalds if (dev->signal == ATM_PHY_SIG_LOST) 2781da177e4SLinus Torvalds printk(KERN_WARNING "%s(itf %d): no signal\n",dev->type, 2791da177e4SLinus Torvalds dev->number); 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds /* initialise loop mode from hardware */ 2821da177e4SLinus Torvalds switch ( GET(DIAG) & IDT77105_DIAG_LCMASK ) { 2831da177e4SLinus Torvalds case IDT77105_DIAG_LC_NORMAL: 2841da177e4SLinus Torvalds PRIV(dev)->loop_mode = ATM_LM_NONE; 2851da177e4SLinus Torvalds break; 2861da177e4SLinus Torvalds case IDT77105_DIAG_LC_PHY_LOOPBACK: 2871da177e4SLinus Torvalds PRIV(dev)->loop_mode = ATM_LM_LOC_ATM; 2881da177e4SLinus Torvalds break; 2891da177e4SLinus Torvalds case IDT77105_DIAG_LC_LINE_LOOPBACK: 2901da177e4SLinus Torvalds PRIV(dev)->loop_mode = ATM_LM_RMT_ATM; 2911da177e4SLinus Torvalds break; 2921da177e4SLinus Torvalds } 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds /* enable interrupts, e.g. on loss of signal */ 2951da177e4SLinus Torvalds PRIV(dev)->old_mcr = GET(MCR); 2961da177e4SLinus Torvalds if (dev->signal == ATM_PHY_SIG_FOUND) { 2971da177e4SLinus Torvalds PRIV(dev)->old_mcr |= IDT77105_MCR_EIP; 2981da177e4SLinus Torvalds PUT(PRIV(dev)->old_mcr, MCR); 2991da177e4SLinus Torvalds } 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds idt77105_stats_timer_func(0); /* clear 77105 counters */ 3031da177e4SLinus Torvalds (void) fetch_stats(dev,NULL,1); /* clear kernel counters */ 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds spin_lock_irqsave(&idt77105_priv_lock, flags); 3061da177e4SLinus Torvalds if (start_timer) { 3071da177e4SLinus Torvalds start_timer = 0; 3081da177e4SLinus Torvalds 309bae23b68SVaishali Thakkar setup_timer(&stats_timer, idt77105_stats_timer_func, 0UL); 3101da177e4SLinus Torvalds stats_timer.expires = jiffies+IDT77105_STATS_TIMER_PERIOD; 3111da177e4SLinus Torvalds add_timer(&stats_timer); 3121da177e4SLinus Torvalds 313bae23b68SVaishali Thakkar setup_timer(&restart_timer, idt77105_restart_timer_func, 0UL); 3141da177e4SLinus Torvalds restart_timer.expires = jiffies+IDT77105_RESTART_TIMER_PERIOD; 3151da177e4SLinus Torvalds add_timer(&restart_timer); 3161da177e4SLinus Torvalds } 3171da177e4SLinus Torvalds spin_unlock_irqrestore(&idt77105_priv_lock, flags); 3181da177e4SLinus Torvalds return 0; 3191da177e4SLinus Torvalds } 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds static int idt77105_stop(struct atm_dev *dev) 3231da177e4SLinus Torvalds { 3241da177e4SLinus Torvalds struct idt77105_priv *walk, *prev; 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds DPRINTK("%s(itf %d): stopping IDT77105\n",dev->type,dev->number); 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds /* disable interrupts */ 3291da177e4SLinus Torvalds PUT( GET(MCR) & ~IDT77105_MCR_EIP, MCR ); 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds /* detach private struct from atm_dev & free */ 3321da177e4SLinus Torvalds for (prev = NULL, walk = idt77105_all ; 3331da177e4SLinus Torvalds walk != NULL; 3341da177e4SLinus Torvalds prev = walk, walk = walk->next) { 3351da177e4SLinus Torvalds if (walk->dev == dev) { 3361da177e4SLinus Torvalds if (prev != NULL) 3371da177e4SLinus Torvalds prev->next = walk->next; 3381da177e4SLinus Torvalds else 3391da177e4SLinus Torvalds idt77105_all = walk->next; 3401da177e4SLinus Torvalds dev->phy = NULL; 3411da177e4SLinus Torvalds dev->dev_data = NULL; 3421da177e4SLinus Torvalds kfree(walk); 3431da177e4SLinus Torvalds break; 3441da177e4SLinus Torvalds } 3451da177e4SLinus Torvalds } 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds return 0; 3481da177e4SLinus Torvalds } 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds static const struct atmphy_ops idt77105_ops = { 3521da177e4SLinus Torvalds .start = idt77105_start, 3531da177e4SLinus Torvalds .ioctl = idt77105_ioctl, 3541da177e4SLinus Torvalds .interrupt = idt77105_int, 3551da177e4SLinus Torvalds .stop = idt77105_stop, 3561da177e4SLinus Torvalds }; 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds 359799fa677SAdrian Bunk int idt77105_init(struct atm_dev *dev) 3601da177e4SLinus Torvalds { 3611da177e4SLinus Torvalds dev->phy = &idt77105_ops; 3621da177e4SLinus Torvalds return 0; 3631da177e4SLinus Torvalds } 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds EXPORT_SYMBOL(idt77105_init); 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds static void __exit idt77105_exit(void) 3681da177e4SLinus Torvalds { 3691da177e4SLinus Torvalds /* turn off timers */ 370869f2739SThomas Gleixner del_timer_sync(&stats_timer); 371869f2739SThomas Gleixner del_timer_sync(&restart_timer); 3721da177e4SLinus Torvalds } 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds module_exit(idt77105_exit); 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 377