Lines Matching +full:dcd +full:- +full:override
1 // SPDX-License-Identifier: GPL-1.0+
78 #define COPY_FROM_USER(error,dest,src,size) error = copy_from_user(dest,src,size) ? -EFAULT : 0
80 #define COPY_TO_USER(error,dest,src,size) error = copy_to_user(dest,src,size) ? -EFAULT : 0
110 /* SCA-I style DMA buffer descriptor */
126 u16 phys_entry; /* lower 16-bits of physical address of this descriptor */
285 #define MISCSTATUS_DCD_LATCHED (SerialSignal_DCD<<8) /* indicates change in DCD */
449 static int synclinkmp_adapter_count = -1;
453 * Set this param to non-zero to load eax with the
455 * This is useful for use with gdb and add-symbol-file command.
528 #define dev_to_port(D) (dev_to_hdlc(D)->priv)
658 * (gdb) to get the .text address for the add-symbol-file command.
677 if (info->magic != MGSL_MAGIC) { in sanity_check()
694 * ldisc_receive_buf - pass receive data to line discipline
705 if (ld->ops->receive_buf) in ldisc_receive_buf()
706 ld->ops->receive_buf(tty, data, flags, count); in ldisc_receive_buf()
716 int line = tty->index; in install()
721 return -ENODEV; in install()
725 while (info && info->line != line) in install()
726 info = info->next_device; in install()
727 if (sanity_check(info, tty->name, "open")) in install()
728 return -ENODEV; in install()
729 if (info->init_error) { in install()
731 __FILE__, __LINE__, info->device_name, in install()
732 info->init_error); in install()
733 return -ENODEV; in install()
736 tty->driver_data = info; in install()
738 return tty_port_install(&info->port, driver, tty); in install()
745 SLMP_INFO *info = tty->driver_data; in open()
749 info->port.tty = tty; in open()
753 __FILE__,__LINE__,tty->driver->name, info->port.count); in open()
755 info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; in open()
757 spin_lock_irqsave(&info->netlock, flags); in open()
758 if (info->netcount) { in open()
759 retval = -EBUSY; in open()
760 spin_unlock_irqrestore(&info->netlock, flags); in open()
763 info->port.count++; in open()
764 spin_unlock_irqrestore(&info->netlock, flags); in open()
766 if (info->port.count == 1) { in open()
777 __FILE__,__LINE__, info->device_name, retval); in open()
783 __FILE__,__LINE__, info->device_name); in open()
788 if (tty->count == 1) in open()
789 info->port.tty = NULL; /* tty layer will release tty struct */ in open()
790 if(info->port.count) in open()
791 info->port.count--; in open()
802 SLMP_INFO * info = tty->driver_data; in close()
804 if (sanity_check(info, tty->name, "close")) in close()
809 __FILE__,__LINE__, info->device_name, info->port.count); in close()
811 if (tty_port_close_start(&info->port, tty, filp) == 0) in close()
814 mutex_lock(&info->port.mutex); in close()
815 if (tty_port_initialized(&info->port)) in close()
816 wait_until_sent(tty, info->timeout); in close()
821 mutex_unlock(&info->port.mutex); in close()
823 tty_port_close_end(&info->port, tty); in close()
824 info->port.tty = NULL; in close()
828 tty->driver->name, info->port.count); in close()
836 SLMP_INFO *info = tty->driver_data; in hangup()
841 __FILE__,__LINE__, info->device_name ); in hangup()
843 if (sanity_check(info, tty->name, "hangup")) in hangup()
846 mutex_lock(&info->port.mutex); in hangup()
850 spin_lock_irqsave(&info->port.lock, flags); in hangup()
851 info->port.count = 0; in hangup()
852 info->port.tty = NULL; in hangup()
853 spin_unlock_irqrestore(&info->port.lock, flags); in hangup()
854 tty_port_set_active(&info->port, 1); in hangup()
855 mutex_unlock(&info->port.mutex); in hangup()
857 wake_up_interruptible(&info->port.open_wait); in hangup()
864 SLMP_INFO *info = tty->driver_data; in set_termios()
869 tty->driver->name ); in set_termios()
874 if ((old_termios->c_cflag & CBAUD) && !C_BAUD(tty)) { in set_termios()
875 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in set_termios()
876 spin_lock_irqsave(&info->lock,flags); in set_termios()
878 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
882 if (!(old_termios->c_cflag & CBAUD) && C_BAUD(tty)) { in set_termios()
883 info->serial_signals |= SerialSignal_DTR; in set_termios()
885 info->serial_signals |= SerialSignal_RTS; in set_termios()
886 spin_lock_irqsave(&info->lock,flags); in set_termios()
888 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
892 if (old_termios->c_cflag & CRTSCTS && !C_CRTSCTS(tty)) { in set_termios()
893 tty->hw_stopped = 0; in set_termios()
912 SLMP_INFO *info = tty->driver_data; in write()
917 __FILE__,__LINE__,info->device_name,count); in write()
919 if (sanity_check(info, tty->name, "write")) in write()
922 if (!info->tx_buf) in write()
925 if (info->params.mode == MGSL_MODE_HDLC) { in write()
926 if (count > info->max_frame_size) { in write()
927 ret = -EIO; in write()
930 if (info->tx_active) in write()
932 if (info->tx_count) { in write()
935 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
938 ret = info->tx_count = count; in write()
945 min(info->max_frame_size - info->tx_count - 1, in write()
946 info->max_frame_size - info->tx_put)); in write()
950 memcpy(info->tx_buf + info->tx_put, buf, c); in write()
952 spin_lock_irqsave(&info->lock,flags); in write()
953 info->tx_put += c; in write()
954 if (info->tx_put >= info->max_frame_size) in write()
955 info->tx_put -= info->max_frame_size; in write()
956 info->tx_count += c; in write()
957 spin_unlock_irqrestore(&info->lock,flags); in write()
960 count -= c; in write()
964 if (info->params.mode == MGSL_MODE_HDLC) { in write()
966 ret = info->tx_count = 0; in write()
969 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
972 if (info->tx_count && !tty->stopped && !tty->hw_stopped) { in write()
973 spin_lock_irqsave(&info->lock,flags); in write()
974 if (!info->tx_active) in write()
976 spin_unlock_irqrestore(&info->lock,flags); in write()
982 __FILE__,__LINE__,info->device_name,ret); in write()
990 SLMP_INFO *info = tty->driver_data; in put_char()
996 __FILE__,__LINE__,info->device_name,ch); in put_char()
999 if (sanity_check(info, tty->name, "put_char")) in put_char()
1002 if (!info->tx_buf) in put_char()
1005 spin_lock_irqsave(&info->lock,flags); in put_char()
1007 if ( (info->params.mode != MGSL_MODE_HDLC) || in put_char()
1008 !info->tx_active ) { in put_char()
1010 if (info->tx_count < info->max_frame_size - 1) { in put_char()
1011 info->tx_buf[info->tx_put++] = ch; in put_char()
1012 if (info->tx_put >= info->max_frame_size) in put_char()
1013 info->tx_put -= info->max_frame_size; in put_char()
1014 info->tx_count++; in put_char()
1019 spin_unlock_irqrestore(&info->lock,flags); in put_char()
1023 /* Send a high-priority XON/XOFF character
1027 SLMP_INFO *info = tty->driver_data; in send_xchar()
1032 __FILE__,__LINE__, info->device_name, ch ); in send_xchar()
1034 if (sanity_check(info, tty->name, "send_xchar")) in send_xchar()
1037 info->x_char = ch; in send_xchar()
1040 spin_lock_irqsave(&info->lock,flags); in send_xchar()
1041 if (!info->tx_enabled) in send_xchar()
1043 spin_unlock_irqrestore(&info->lock,flags); in send_xchar()
1051 SLMP_INFO * info = tty->driver_data; in wait_until_sent()
1059 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1061 if (sanity_check(info, tty->name, "wait_until_sent")) in wait_until_sent()
1064 if (!tty_port_initialized(&info->port)) in wait_until_sent()
1072 * Note: use tight timings here to satisfy the NIST-PCTS. in wait_until_sent()
1075 if ( info->params.data_rate ) { in wait_until_sent()
1076 char_time = info->timeout/(32 * 5); in wait_until_sent()
1085 if ( info->params.mode == MGSL_MODE_HDLC ) { in wait_until_sent()
1086 while (info->tx_active) { in wait_until_sent()
1098 while ( info->tx_active && info->tx_enabled) { in wait_until_sent()
1110 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1117 SLMP_INFO *info = tty->driver_data; in write_room()
1120 if (sanity_check(info, tty->name, "write_room")) in write_room()
1123 if (info->params.mode == MGSL_MODE_HDLC) { in write_room()
1124 ret = (info->tx_active) ? 0 : HDLC_MAX_FRAME_SIZE; in write_room()
1126 ret = info->max_frame_size - info->tx_count - 1; in write_room()
1133 __FILE__, __LINE__, info->device_name, ret); in write_room()
1142 SLMP_INFO *info = tty->driver_data; in flush_chars()
1147 __FILE__,__LINE__,info->device_name,info->tx_count); in flush_chars()
1149 if (sanity_check(info, tty->name, "flush_chars")) in flush_chars()
1152 if (info->tx_count <= 0 || tty->stopped || tty->hw_stopped || in flush_chars()
1153 !info->tx_buf) in flush_chars()
1158 __FILE__,__LINE__,info->device_name ); in flush_chars()
1160 spin_lock_irqsave(&info->lock,flags); in flush_chars()
1162 if (!info->tx_active) { in flush_chars()
1163 if ( (info->params.mode == MGSL_MODE_HDLC) && in flush_chars()
1164 info->tx_count ) { in flush_chars()
1169 info->tx_buf,info->tx_count); in flush_chars()
1174 spin_unlock_irqrestore(&info->lock,flags); in flush_chars()
1181 SLMP_INFO *info = tty->driver_data; in flush_buffer()
1186 __FILE__,__LINE__, info->device_name ); in flush_buffer()
1188 if (sanity_check(info, tty->name, "flush_buffer")) in flush_buffer()
1191 spin_lock_irqsave(&info->lock,flags); in flush_buffer()
1192 info->tx_count = info->tx_put = info->tx_get = 0; in flush_buffer()
1193 del_timer(&info->tx_timer); in flush_buffer()
1194 spin_unlock_irqrestore(&info->lock,flags); in flush_buffer()
1203 SLMP_INFO *info = tty->driver_data; in tx_hold()
1206 if (sanity_check(info, tty->name, "tx_hold")) in tx_hold()
1211 __FILE__,__LINE__,info->device_name); in tx_hold()
1213 spin_lock_irqsave(&info->lock,flags); in tx_hold()
1214 if (info->tx_enabled) in tx_hold()
1216 spin_unlock_irqrestore(&info->lock,flags); in tx_hold()
1223 SLMP_INFO *info = tty->driver_data; in tx_release()
1226 if (sanity_check(info, tty->name, "tx_release")) in tx_release()
1231 __FILE__,__LINE__,info->device_name); in tx_release()
1233 spin_lock_irqsave(&info->lock,flags); in tx_release()
1234 if (!info->tx_enabled) in tx_release()
1236 spin_unlock_irqrestore(&info->lock,flags); in tx_release()
1252 SLMP_INFO *info = tty->driver_data; in ioctl()
1257 info->device_name, cmd ); in ioctl()
1259 if (sanity_check(info, tty->name, "ioctl")) in ioctl()
1260 return -ENODEV; in ioctl()
1264 return -EIO; in ioctl()
1288 /* Wait for modem input (DCD,RI,DSR,CTS) change in ioctl()
1295 * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) in ioctl()
1297 * NB: both 1->0 and 0->1 transitions are counted except for in ioctl()
1298 * RI where only 0->1 is counted. in ioctl()
1301 return -ENOIOCTLCMD; in ioctl()
1309 SLMP_INFO *info = tty->driver_data; in get_icount()
1313 spin_lock_irqsave(&info->lock,flags); in get_icount()
1314 cnow = info->icount; in get_icount()
1315 spin_unlock_irqrestore(&info->lock,flags); in get_icount()
1317 icount->cts = cnow.cts; in get_icount()
1318 icount->dsr = cnow.dsr; in get_icount()
1319 icount->rng = cnow.rng; in get_icount()
1320 icount->dcd = cnow.dcd; in get_icount()
1321 icount->rx = cnow.rx; in get_icount()
1322 icount->tx = cnow.tx; in get_icount()
1323 icount->frame = cnow.frame; in get_icount()
1324 icount->overrun = cnow.overrun; in get_icount()
1325 icount->parity = cnow.parity; in get_icount()
1326 icount->brk = cnow.brk; in get_icount()
1327 icount->buf_overrun = cnow.buf_overrun; in get_icount()
1343 info->device_name, in line_info()
1344 info->phys_sca_base, in line_info()
1345 info->phys_memory_base, in line_info()
1346 info->phys_statctrl_base, in line_info()
1347 info->phys_lcr_base, in line_info()
1348 info->irq_level, in line_info()
1349 info->max_frame_size ); in line_info()
1352 spin_lock_irqsave(&info->lock,flags); in line_info()
1354 spin_unlock_irqrestore(&info->lock,flags); in line_info()
1358 if (info->serial_signals & SerialSignal_RTS) in line_info()
1360 if (info->serial_signals & SerialSignal_CTS) in line_info()
1362 if (info->serial_signals & SerialSignal_DTR) in line_info()
1364 if (info->serial_signals & SerialSignal_DSR) in line_info()
1366 if (info->serial_signals & SerialSignal_DCD) in line_info()
1368 if (info->serial_signals & SerialSignal_RI) in line_info()
1371 if (info->params.mode == MGSL_MODE_HDLC) { in line_info()
1373 info->icount.txok, info->icount.rxok); in line_info()
1374 if (info->icount.txunder) in line_info()
1375 seq_printf(m, " txunder:%d", info->icount.txunder); in line_info()
1376 if (info->icount.txabort) in line_info()
1377 seq_printf(m, " txabort:%d", info->icount.txabort); in line_info()
1378 if (info->icount.rxshort) in line_info()
1379 seq_printf(m, " rxshort:%d", info->icount.rxshort); in line_info()
1380 if (info->icount.rxlong) in line_info()
1381 seq_printf(m, " rxlong:%d", info->icount.rxlong); in line_info()
1382 if (info->icount.rxover) in line_info()
1383 seq_printf(m, " rxover:%d", info->icount.rxover); in line_info()
1384 if (info->icount.rxcrc) in line_info()
1385 seq_printf(m, " rxlong:%d", info->icount.rxcrc); in line_info()
1388 info->icount.tx, info->icount.rx); in line_info()
1389 if (info->icount.frame) in line_info()
1390 seq_printf(m, " fe:%d", info->icount.frame); in line_info()
1391 if (info->icount.parity) in line_info()
1392 seq_printf(m, " pe:%d", info->icount.parity); in line_info()
1393 if (info->icount.brk) in line_info()
1394 seq_printf(m, " brk:%d", info->icount.brk); in line_info()
1395 if (info->icount.overrun) in line_info()
1396 seq_printf(m, " oe:%d", info->icount.overrun); in line_info()
1403 info->tx_active,info->bh_requested,info->bh_running, in line_info()
1404 info->pending_bh); in line_info()
1418 info = info->next_device; in synclinkmp_proc_show()
1427 SLMP_INFO *info = tty->driver_data; in chars_in_buffer()
1429 if (sanity_check(info, tty->name, "chars_in_buffer")) in chars_in_buffer()
1434 __FILE__, __LINE__, info->device_name, info->tx_count); in chars_in_buffer()
1436 return info->tx_count; in chars_in_buffer()
1443 SLMP_INFO *info = tty->driver_data; in throttle()
1448 __FILE__,__LINE__, info->device_name ); in throttle()
1450 if (sanity_check(info, tty->name, "throttle")) in throttle()
1457 spin_lock_irqsave(&info->lock,flags); in throttle()
1458 info->serial_signals &= ~SerialSignal_RTS; in throttle()
1460 spin_unlock_irqrestore(&info->lock,flags); in throttle()
1468 SLMP_INFO *info = tty->driver_data; in unthrottle()
1473 __FILE__,__LINE__, info->device_name ); in unthrottle()
1475 if (sanity_check(info, tty->name, "unthrottle")) in unthrottle()
1479 if (info->x_char) in unthrottle()
1480 info->x_char = 0; in unthrottle()
1486 spin_lock_irqsave(&info->lock,flags); in unthrottle()
1487 info->serial_signals |= SerialSignal_RTS; in unthrottle()
1489 spin_unlock_irqrestore(&info->lock,flags); in unthrottle()
1494 * break_state -1=set break condition, 0=clear
1499 SLMP_INFO * info = tty->driver_data; in set_break()
1504 __FILE__,__LINE__, info->device_name, break_state); in set_break()
1506 if (sanity_check(info, tty->name, "set_break")) in set_break()
1507 return -EINVAL; in set_break()
1509 spin_lock_irqsave(&info->lock,flags); in set_break()
1511 if (break_state == -1) in set_break()
1516 spin_unlock_irqrestore(&info->lock,flags); in set_break()
1523 * hdlcdev_attach - called by generic HDLC layer when protocol selected (PPP, frame relay, etc.)
1540 if (info->port.count) in hdlcdev_attach()
1541 return -EBUSY; in hdlcdev_attach()
1550 default: return -EINVAL; in hdlcdev_attach()
1558 default: return -EINVAL; in hdlcdev_attach()
1561 info->params.encoding = new_encoding; in hdlcdev_attach()
1562 info->params.crc_type = new_crctype; in hdlcdev_attach()
1565 if (info->netcount) in hdlcdev_attach()
1572 * hdlcdev_xmit - called by generic HDLC layer to send frame
1583 printk(KERN_INFO "%s:hdlc_xmit(%s)\n",__FILE__,dev->name); in hdlcdev_xmit()
1589 info->tx_count = skb->len; in hdlcdev_xmit()
1590 tx_load_dma_buffer(info, skb->data, skb->len); in hdlcdev_xmit()
1593 dev->stats.tx_packets++; in hdlcdev_xmit()
1594 dev->stats.tx_bytes += skb->len; in hdlcdev_xmit()
1603 spin_lock_irqsave(&info->lock,flags); in hdlcdev_xmit()
1604 if (!info->tx_active) in hdlcdev_xmit()
1606 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_xmit()
1612 * hdlcdev_open - called by network layer when interface enabled
1626 printk("%s:hdlcdev_open(%s)\n",__FILE__,dev->name); in hdlcdev_open()
1634 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1635 if (info->port.count != 0 || info->netcount != 0) { in hdlcdev_open()
1636 printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); in hdlcdev_open()
1637 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1638 return -EBUSY; in hdlcdev_open()
1640 info->netcount=1; in hdlcdev_open()
1641 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1645 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1646 info->netcount=0; in hdlcdev_open()
1647 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1652 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in hdlcdev_open()
1659 /* inform generic HDLC layer of current DCD status */ in hdlcdev_open()
1660 spin_lock_irqsave(&info->lock, flags); in hdlcdev_open()
1662 spin_unlock_irqrestore(&info->lock, flags); in hdlcdev_open()
1663 if (info->serial_signals & SerialSignal_DCD) in hdlcdev_open()
1671 * hdlcdev_close - called by network layer when interface is disabled
1684 printk("%s:hdlcdev_close(%s)\n",__FILE__,dev->name); in hdlcdev_close()
1693 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_close()
1694 info->netcount=0; in hdlcdev_close()
1695 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_close()
1701 * hdlcdev_ioctl - called by network layer to process IOCTL call to network device
1712 sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync; in hdlcdev_ioctl()
1717 printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); in hdlcdev_ioctl()
1720 if (info->port.count) in hdlcdev_ioctl()
1721 return -EBUSY; in hdlcdev_ioctl()
1726 switch(ifr->ifr_settings.type) { in hdlcdev_ioctl()
1729 ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL; in hdlcdev_ioctl()
1730 if (ifr->ifr_settings.size < size) { in hdlcdev_ioctl()
1731 ifr->ifr_settings.size = size; /* data size wanted */ in hdlcdev_ioctl()
1732 return -ENOBUFS; in hdlcdev_ioctl()
1735 flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1749 new_line.clock_rate = info->params.clock_speed; in hdlcdev_ioctl()
1750 new_line.loopback = info->params.loopback ? 1:0; in hdlcdev_ioctl()
1753 return -EFAULT; in hdlcdev_ioctl()
1759 return -EPERM; in hdlcdev_ioctl()
1761 return -EFAULT; in hdlcdev_ioctl()
1769 case CLOCK_DEFAULT: flags = info->params.flags & in hdlcdev_ioctl()
1774 default: return -EINVAL; in hdlcdev_ioctl()
1778 return -EINVAL; in hdlcdev_ioctl()
1780 info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1784 info->params.flags |= flags; in hdlcdev_ioctl()
1786 info->params.loopback = new_line.loopback; in hdlcdev_ioctl()
1789 info->params.clock_speed = new_line.clock_rate; in hdlcdev_ioctl()
1791 info->params.clock_speed = 0; in hdlcdev_ioctl()
1794 if (info->netcount) in hdlcdev_ioctl()
1804 * hdlcdev_tx_timeout - called by network layer when transmit timeout is detected
1813 printk("hdlcdev_tx_timeout(%s)\n",dev->name); in hdlcdev_tx_timeout()
1815 dev->stats.tx_errors++; in hdlcdev_tx_timeout()
1816 dev->stats.tx_aborted_errors++; in hdlcdev_tx_timeout()
1818 spin_lock_irqsave(&info->lock,flags); in hdlcdev_tx_timeout()
1820 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_tx_timeout()
1826 * hdlcdev_tx_done - called by device driver when transmit completes
1833 if (netif_queue_stopped(info->netdev)) in hdlcdev_tx_done()
1834 netif_wake_queue(info->netdev); in hdlcdev_tx_done()
1838 * hdlcdev_rx - called by device driver when frame received
1848 struct net_device *dev = info->netdev; in hdlcdev_rx()
1851 printk("hdlcdev_rx(%s)\n",dev->name); in hdlcdev_rx()
1855 dev->name); in hdlcdev_rx()
1856 dev->stats.rx_dropped++; in hdlcdev_rx()
1862 skb->protocol = hdlc_type_trans(skb, dev); in hdlcdev_rx()
1864 dev->stats.rx_packets++; in hdlcdev_rx()
1865 dev->stats.rx_bytes += size; in hdlcdev_rx()
1879 * hdlcdev_init - called by device driver when adding device instance
1897 return -ENOMEM; in hdlcdev_init()
1901 dev->mem_start = info->phys_sca_base; in hdlcdev_init()
1902 dev->mem_end = info->phys_sca_base + SCA_BASE_SIZE - 1; in hdlcdev_init()
1903 dev->irq = info->irq_level; in hdlcdev_init()
1906 dev->netdev_ops = &hdlcdev_ops; in hdlcdev_init()
1907 dev->watchdog_timeo = 10 * HZ; in hdlcdev_init()
1908 dev->tx_queue_len = 50; in hdlcdev_init()
1912 hdlc->attach = hdlcdev_attach; in hdlcdev_init()
1913 hdlc->xmit = hdlcdev_xmit; in hdlcdev_init()
1923 info->netdev = dev; in hdlcdev_init()
1928 * hdlcdev_exit - called by device driver when removing device instance
1935 unregister_hdlc_device(info->netdev); in hdlcdev_exit()
1936 free_netdev(info->netdev); in hdlcdev_exit()
1937 info->netdev = NULL; in hdlcdev_exit()
1951 spin_lock_irqsave(&info->lock,flags); in bh_action()
1953 if (info->pending_bh & BH_RECEIVE) { in bh_action()
1954 info->pending_bh &= ~BH_RECEIVE; in bh_action()
1956 } else if (info->pending_bh & BH_TRANSMIT) { in bh_action()
1957 info->pending_bh &= ~BH_TRANSMIT; in bh_action()
1959 } else if (info->pending_bh & BH_STATUS) { in bh_action()
1960 info->pending_bh &= ~BH_STATUS; in bh_action()
1966 info->bh_running = false; in bh_action()
1967 info->bh_requested = false; in bh_action()
1970 spin_unlock_irqrestore(&info->lock,flags); in bh_action()
1984 __FILE__,__LINE__,info->device_name); in bh_handler()
1986 info->bh_running = true; in bh_handler()
1993 __FILE__,__LINE__,info->device_name, action); in bh_handler()
2009 __FILE__,__LINE__,info->device_name,action); in bh_handler()
2016 __FILE__,__LINE__,info->device_name); in bh_handler()
2023 __FILE__,__LINE__,info->device_name); in bh_receive()
2030 struct tty_struct *tty = info->port.tty; in bh_transmit()
2034 __FILE__,__LINE__,info->device_name); in bh_transmit()
2044 __FILE__,__LINE__,info->device_name); in bh_status()
2046 info->ri_chkcount = 0; in bh_status()
2047 info->dsr_chkcount = 0; in bh_status()
2048 info->dcd_chkcount = 0; in bh_status()
2049 info->cts_chkcount = 0; in bh_status()
2054 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in isr_timer()
2071 info->irq_occurred = true; in isr_timer()
2075 __FILE__,__LINE__,info->device_name); in isr_timer()
2080 struct tty_struct *tty = info->port.tty; in isr_rxint()
2081 struct mgsl_icount *icount = &info->icount; in isr_rxint()
2082 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); in isr_rxint()
2083 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; in isr_rxint()
2094 __FILE__,__LINE__,info->device_name,status,status2); in isr_rxint()
2096 if (info->params.mode == MGSL_MODE_ASYNC) { in isr_rxint()
2098 icount->brk++; in isr_rxint()
2103 if (!(status & info->ignore_status_mask1)) { in isr_rxint()
2104 if (info->read_status_mask1 & BRKD) { in isr_rxint()
2105 tty_insert_flip_char(&info->port, 0, TTY_BREAK); in isr_rxint()
2106 if (tty && (info->port.flags & ASYNC_SAK)) in isr_rxint()
2115 info->icount.exithunt++; in isr_rxint()
2117 info->icount.rxidle++; in isr_rxint()
2118 wake_up_interruptible(&info->event_wait_q); in isr_rxint()
2128 MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD)); in isr_rxint()
2139 struct mgsl_icount *icount = &info->icount; in isr_rxrdy()
2143 __FILE__,__LINE__,info->device_name); in isr_rxrdy()
2151 icount->rx++; in isr_rxrdy()
2155 __FILE__,__LINE__,info->device_name,status); in isr_rxrdy()
2159 icount->parity++; in isr_rxrdy()
2161 icount->frame++; in isr_rxrdy()
2163 icount->overrun++; in isr_rxrdy()
2166 if (status & info->ignore_status_mask2) in isr_rxrdy()
2169 status &= info->read_status_mask2; in isr_rxrdy()
2184 tty_insert_flip_char(&info->port, DataByte, flag); in isr_rxrdy()
2186 tty_insert_flip_char(&info->port, 0, TTY_OVERRUN); in isr_rxrdy()
2191 __FILE__,__LINE__,info->device_name, in isr_rxrdy()
2192 icount->rx,icount->brk,icount->parity, in isr_rxrdy()
2193 icount->frame,icount->overrun); in isr_rxrdy()
2196 tty_flip_buffer_push(&info->port); in isr_rxrdy()
2203 __FILE__,__LINE__,info->device_name,status); in isr_txeom()
2216 info->ie0_value &= ~TXRDYE; in isr_txeom()
2217 info->ie1_value &= ~(IDLE + UDRN); in isr_txeom()
2218 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txeom()
2221 if ( info->tx_active ) { in isr_txeom()
2222 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txeom()
2224 info->icount.txunder++; in isr_txeom()
2226 info->icount.txok++; in isr_txeom()
2229 info->tx_active = false; in isr_txeom()
2230 info->tx_count = info->tx_put = info->tx_get = 0; in isr_txeom()
2232 del_timer(&info->tx_timer); in isr_txeom()
2234 if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done ) { in isr_txeom()
2235 info->serial_signals &= ~SerialSignal_RTS; in isr_txeom()
2236 info->drop_rts_on_tx_done = false; in isr_txeom()
2241 if (info->netcount) in isr_txeom()
2246 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txeom()
2250 info->pending_bh |= BH_TRANSMIT; in isr_txeom()
2261 unsigned char status = read_reg(info, SR1) & info->ie1_value & (UDRN + IDLE + CCTS); in isr_txint()
2268 __FILE__,__LINE__,info->device_name,status); in isr_txint()
2279 MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS)); in isr_txint()
2291 __FILE__,__LINE__,info->device_name,info->tx_count); in isr_txrdy()
2293 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txrdy()
2295 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2296 info->ie1_value |= IDLE; in isr_txrdy()
2297 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txrdy()
2301 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txrdy()
2306 if ( info->tx_count ) in isr_txrdy()
2309 info->tx_active = false; in isr_txrdy()
2310 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2311 write_reg(info, IE0, info->ie0_value); in isr_txrdy()
2314 if (info->tx_count < WAKEUP_CHARS) in isr_txrdy()
2315 info->pending_bh |= BH_TRANSMIT; in isr_txrdy()
2330 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaok()
2332 info->pending_bh |= BH_RECEIVE; in isr_rxdmaok()
2347 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaerror()
2349 info->rx_overflow = true; in isr_rxdmaerror()
2350 info->pending_bh |= BH_RECEIVE; in isr_rxdmaerror()
2363 __FILE__,__LINE__,info->device_name,status_reg1); in isr_txdmaok()
2367 info->ie0_value |= TXRDYE; in isr_txdmaok()
2368 write_reg(info, IE0, info->ie0_value); in isr_txdmaok()
2383 __FILE__,__LINE__,info->device_name,status); in isr_txdmaerror()
2398 icount = &info->icount; in isr_io_pin()
2401 icount->rng++; in isr_io_pin()
2403 info->input_signal_events.ri_up++; in isr_io_pin()
2405 info->input_signal_events.ri_down++; in isr_io_pin()
2408 icount->dsr++; in isr_io_pin()
2410 info->input_signal_events.dsr_up++; in isr_io_pin()
2412 info->input_signal_events.dsr_down++; in isr_io_pin()
2415 if ((info->dcd_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2416 info->ie1_value &= ~CDCD; in isr_io_pin()
2417 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2419 icount->dcd++; in isr_io_pin()
2421 info->input_signal_events.dcd_up++; in isr_io_pin()
2423 info->input_signal_events.dcd_down++; in isr_io_pin()
2425 if (info->netcount) { in isr_io_pin()
2427 netif_carrier_on(info->netdev); in isr_io_pin()
2429 netif_carrier_off(info->netdev); in isr_io_pin()
2435 if ((info->cts_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2436 info->ie1_value &= ~CCTS; in isr_io_pin()
2437 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2439 icount->cts++; in isr_io_pin()
2441 info->input_signal_events.cts_up++; in isr_io_pin()
2443 info->input_signal_events.cts_down++; in isr_io_pin()
2445 wake_up_interruptible(&info->status_event_wait_q); in isr_io_pin()
2446 wake_up_interruptible(&info->event_wait_q); in isr_io_pin()
2448 if (tty_port_check_carrier(&info->port) && in isr_io_pin()
2451 printk("%s CD now %s...", info->device_name, in isr_io_pin()
2454 wake_up_interruptible(&info->port.open_wait); in isr_io_pin()
2458 if (info->port.tty) in isr_io_pin()
2459 tty_hangup(info->port.tty); in isr_io_pin()
2463 if (tty_port_cts_enabled(&info->port) && in isr_io_pin()
2465 if ( info->port.tty ) { in isr_io_pin()
2466 if (info->port.tty->hw_stopped) { in isr_io_pin()
2470 info->port.tty->hw_stopped = 0; in isr_io_pin()
2472 info->pending_bh |= BH_TRANSMIT; in isr_io_pin()
2479 info->port.tty->hw_stopped = 1; in isr_io_pin()
2487 info->pending_bh |= BH_STATUS; in isr_io_pin()
2509 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2511 spin_lock(&info->lock); in synclinkmp_interrupt()
2515 /* get status for SCA0 (ports 0-1) */ in synclinkmp_interrupt()
2523 __FILE__, __LINE__, info->device_name, in synclinkmp_interrupt()
2526 if (info->port_count == 4) { in synclinkmp_interrupt()
2527 /* get status for SCA1 (ports 2-3) */ in synclinkmp_interrupt()
2528 tmp = read_reg16(info->port_array[2], ISR0); in synclinkmp_interrupt()
2531 timerstatus1 = read_reg(info->port_array[2], ISR2); in synclinkmp_interrupt()
2535 __FILE__,__LINE__,info->device_name, in synclinkmp_interrupt()
2543 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2544 if (info->port_array[i] == NULL) in synclinkmp_interrupt()
2557 isr_rxrdy(info->port_array[i]); in synclinkmp_interrupt()
2559 isr_txrdy(info->port_array[i]); in synclinkmp_interrupt()
2561 isr_rxint(info->port_array[i]); in synclinkmp_interrupt()
2563 isr_txint(info->port_array[i]); in synclinkmp_interrupt()
2566 isr_rxdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2568 isr_rxdmaok(info->port_array[i]); in synclinkmp_interrupt()
2570 isr_txdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2572 isr_txdmaok(info->port_array[i]); in synclinkmp_interrupt()
2576 isr_timer(info->port_array[0]); in synclinkmp_interrupt()
2578 isr_timer(info->port_array[1]); in synclinkmp_interrupt()
2580 isr_timer(info->port_array[2]); in synclinkmp_interrupt()
2582 isr_timer(info->port_array[3]); in synclinkmp_interrupt()
2585 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2586 SLMP_INFO * port = info->port_array[i]; in synclinkmp_interrupt()
2595 if ( port && (port->port.count || port->netcount) && in synclinkmp_interrupt()
2596 port->pending_bh && !port->bh_running && in synclinkmp_interrupt()
2597 !port->bh_requested ) { in synclinkmp_interrupt()
2600 __FILE__,__LINE__,port->device_name); in synclinkmp_interrupt()
2601 schedule_work(&port->task); in synclinkmp_interrupt()
2602 port->bh_requested = true; in synclinkmp_interrupt()
2606 spin_unlock(&info->lock); in synclinkmp_interrupt()
2610 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2619 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); in startup()
2621 if (tty_port_initialized(&info->port)) in startup()
2624 if (!info->tx_buf) { in startup()
2625 info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in startup()
2626 if (!info->tx_buf) { in startup()
2628 __FILE__,__LINE__,info->device_name); in startup()
2629 return -ENOMEM; in startup()
2633 info->pending_bh = 0; in startup()
2635 memset(&info->icount, 0, sizeof(info->icount)); in startup()
2642 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in startup()
2644 if (info->port.tty) in startup()
2645 clear_bit(TTY_IO_ERROR, &info->port.tty->flags); in startup()
2647 tty_port_set_initialized(&info->port, 1); in startup()
2658 if (!tty_port_initialized(&info->port)) in shutdown()
2663 __FILE__,__LINE__, info->device_name ); in shutdown()
2667 wake_up_interruptible(&info->status_event_wait_q); in shutdown()
2668 wake_up_interruptible(&info->event_wait_q); in shutdown()
2670 del_timer(&info->tx_timer); in shutdown()
2671 del_timer(&info->status_timer); in shutdown()
2673 kfree(info->tx_buf); in shutdown()
2674 info->tx_buf = NULL; in shutdown()
2676 spin_lock_irqsave(&info->lock,flags); in shutdown()
2680 if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) { in shutdown()
2681 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in shutdown()
2685 spin_unlock_irqrestore(&info->lock,flags); in shutdown()
2687 if (info->port.tty) in shutdown()
2688 set_bit(TTY_IO_ERROR, &info->port.tty->flags); in shutdown()
2690 tty_port_set_initialized(&info->port, 0); in shutdown()
2697 spin_lock_irqsave(&info->lock,flags); in program_hw()
2702 info->tx_count = info->tx_put = info->tx_get = 0; in program_hw()
2704 if (info->params.mode == MGSL_MODE_HDLC || info->netcount) in program_hw()
2711 info->dcd_chkcount = 0; in program_hw()
2712 info->cts_chkcount = 0; in program_hw()
2713 info->ri_chkcount = 0; in program_hw()
2714 info->dsr_chkcount = 0; in program_hw()
2716 info->ie1_value |= (CDCD|CCTS); in program_hw()
2717 write_reg(info, IE1, info->ie1_value); in program_hw()
2721 if (info->netcount || (info->port.tty && info->port.tty->termios.c_cflag & CREAD) ) in program_hw()
2724 spin_unlock_irqrestore(&info->lock,flags); in program_hw()
2734 if (!info->port.tty) in change_params()
2739 __FILE__,__LINE__, info->device_name ); in change_params()
2741 cflag = info->port.tty->termios.c_cflag; in change_params()
2746 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in change_params()
2748 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in change_params()
2753 case CS5: info->params.data_bits = 5; break; in change_params()
2754 case CS6: info->params.data_bits = 6; break; in change_params()
2755 case CS7: info->params.data_bits = 7; break; in change_params()
2756 case CS8: info->params.data_bits = 8; break; in change_params()
2758 default: info->params.data_bits = 7; break; in change_params()
2762 info->params.stop_bits = 2; in change_params()
2764 info->params.stop_bits = 1; in change_params()
2766 info->params.parity = ASYNC_PARITY_NONE; in change_params()
2769 info->params.parity = ASYNC_PARITY_ODD; in change_params()
2771 info->params.parity = ASYNC_PARITY_EVEN; in change_params()
2774 info->params.parity = ASYNC_PARITY_SPACE; in change_params()
2781 bits_per_char = info->params.data_bits + in change_params()
2782 info->params.stop_bits + 1; in change_params()
2785 * allow tty settings to override, otherwise keep the in change_params()
2788 if (info->params.data_rate <= 460800) { in change_params()
2789 info->params.data_rate = tty_get_baud_rate(info->port.tty); in change_params()
2792 if ( info->params.data_rate ) { in change_params()
2793 info->timeout = (32*HZ*bits_per_char) / in change_params()
2794 info->params.data_rate; in change_params()
2796 info->timeout += HZ/50; /* Add .02 seconds of slop */ in change_params()
2798 tty_port_set_cts_flow(&info->port, cflag & CRTSCTS); in change_params()
2799 tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL); in change_params()
2803 info->read_status_mask2 = OVRN; in change_params()
2804 if (I_INPCK(info->port.tty)) in change_params()
2805 info->read_status_mask2 |= PE | FRME; in change_params()
2806 if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) in change_params()
2807 info->read_status_mask1 |= BRKD; in change_params()
2808 if (I_IGNPAR(info->port.tty)) in change_params()
2809 info->ignore_status_mask2 |= PE | FRME; in change_params()
2810 if (I_IGNBRK(info->port.tty)) { in change_params()
2811 info->ignore_status_mask1 |= BRKD; in change_params()
2815 if (I_IGNPAR(info->port.tty)) in change_params()
2816 info->ignore_status_mask2 |= OVRN; in change_params()
2828 __FILE__,__LINE__, info->device_name); in get_stats()
2831 memset(&info->icount, 0, sizeof(info->icount)); in get_stats()
2833 mutex_lock(&info->port.mutex); in get_stats()
2834 COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); in get_stats()
2835 mutex_unlock(&info->port.mutex); in get_stats()
2837 return -EFAULT; in get_stats()
2848 __FILE__,__LINE__, info->device_name); in get_params()
2850 mutex_lock(&info->port.mutex); in get_params()
2851 COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); in get_params()
2852 mutex_unlock(&info->port.mutex); in get_params()
2856 __FILE__,__LINE__,info->device_name); in get_params()
2857 return -EFAULT; in get_params()
2871 __FILE__,__LINE__,info->device_name ); in set_params()
2876 __FILE__,__LINE__,info->device_name); in set_params()
2877 return -EFAULT; in set_params()
2880 mutex_lock(&info->port.mutex); in set_params()
2881 spin_lock_irqsave(&info->lock,flags); in set_params()
2882 memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); in set_params()
2883 spin_unlock_irqrestore(&info->lock,flags); in set_params()
2886 mutex_unlock(&info->port.mutex); in set_params()
2897 __FILE__,__LINE__, info->device_name, info->idle_mode); in get_txidle()
2899 COPY_TO_USER(err,idle_mode, &info->idle_mode, sizeof(int)); in get_txidle()
2903 __FILE__,__LINE__,info->device_name); in get_txidle()
2904 return -EFAULT; in get_txidle()
2916 __FILE__,__LINE__,info->device_name, idle_mode ); in set_txidle()
2918 spin_lock_irqsave(&info->lock,flags); in set_txidle()
2919 info->idle_mode = idle_mode; in set_txidle()
2921 spin_unlock_irqrestore(&info->lock,flags); in set_txidle()
2931 __FILE__,__LINE__,info->device_name, enable); in tx_enable()
2933 spin_lock_irqsave(&info->lock,flags); in tx_enable()
2935 if ( !info->tx_enabled ) { in tx_enable()
2939 if ( info->tx_enabled ) in tx_enable()
2942 spin_unlock_irqrestore(&info->lock,flags); in tx_enable()
2954 __FILE__,__LINE__,info->device_name); in tx_abort()
2956 spin_lock_irqsave(&info->lock,flags); in tx_abort()
2957 if ( info->tx_active && info->params.mode == MGSL_MODE_HDLC ) { in tx_abort()
2958 info->ie1_value &= ~UDRN; in tx_abort()
2959 info->ie1_value |= IDLE; in tx_abort()
2960 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_abort()
2968 spin_unlock_irqrestore(&info->lock,flags); in tx_abort()
2978 __FILE__,__LINE__,info->device_name,enable); in rx_enable()
2980 spin_lock_irqsave(&info->lock,flags); in rx_enable()
2982 if ( !info->rx_enabled ) in rx_enable()
2985 if ( info->rx_enabled ) in rx_enable()
2988 spin_unlock_irqrestore(&info->lock,flags); in rx_enable()
3007 return -EFAULT; in wait_mgsl_event()
3012 __FILE__,__LINE__,info->device_name,mask); in wait_mgsl_event()
3014 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3018 s = info->serial_signals; in wait_mgsl_event()
3026 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3031 cprev = info->icount; in wait_mgsl_event()
3032 oldsigs = info->input_signal_events; in wait_mgsl_event()
3036 unsigned char oldval = info->ie1_value; in wait_mgsl_event()
3041 info->ie1_value = newval; in wait_mgsl_event()
3042 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3047 add_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3049 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3054 rc = -ERESTARTSYS; in wait_mgsl_event()
3059 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3060 cnow = info->icount; in wait_mgsl_event()
3061 newsigs = info->input_signal_events; in wait_mgsl_event()
3063 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3076 rc = -EIO; in wait_mgsl_event()
3098 remove_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3103 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3104 if (!waitqueue_active(&info->event_wait_q)) { in wait_mgsl_event()
3106 info->ie1_value &= ~(FLGD|IDLD); in wait_mgsl_event()
3107 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3109 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3126 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3127 cprev = info->icount; in modem_input_wait()
3128 add_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3130 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3135 rc = -ERESTARTSYS; in modem_input_wait()
3140 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3141 cnow = info->icount; in modem_input_wait()
3143 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3147 cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { in modem_input_wait()
3148 rc = -EIO; in modem_input_wait()
3155 (arg & TIOCM_CD && cnow.dcd != cprev.dcd) || in modem_input_wait()
3163 remove_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3172 SLMP_INFO *info = tty->driver_data; in tiocmget()
3176 spin_lock_irqsave(&info->lock,flags); in tiocmget()
3178 spin_unlock_irqrestore(&info->lock,flags); in tiocmget()
3180 result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS : 0) | in tiocmget()
3181 ((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR : 0) | in tiocmget()
3182 ((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR : 0) | in tiocmget()
3183 ((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG : 0) | in tiocmget()
3184 ((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR : 0) | in tiocmget()
3185 ((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS : 0); in tiocmget()
3189 __FILE__,__LINE__, info->device_name, result ); in tiocmget()
3198 SLMP_INFO *info = tty->driver_data; in tiocmset()
3203 __FILE__,__LINE__,info->device_name, set, clear); in tiocmset()
3206 info->serial_signals |= SerialSignal_RTS; in tiocmset()
3208 info->serial_signals |= SerialSignal_DTR; in tiocmset()
3210 info->serial_signals &= ~SerialSignal_RTS; in tiocmset()
3212 info->serial_signals &= ~SerialSignal_DTR; in tiocmset()
3214 spin_lock_irqsave(&info->lock,flags); in tiocmset()
3216 spin_unlock_irqrestore(&info->lock,flags); in tiocmset()
3226 spin_lock_irqsave(&info->lock,flags); in carrier_raised()
3228 spin_unlock_irqrestore(&info->lock,flags); in carrier_raised()
3230 return (info->serial_signals & SerialSignal_DCD) ? 1 : 0; in carrier_raised()
3238 spin_lock_irqsave(&info->lock,flags); in dtr_rts()
3240 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in dtr_rts()
3242 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in dtr_rts()
3244 spin_unlock_irqrestore(&info->lock,flags); in dtr_rts()
3257 struct tty_port *port = &info->port; in block_til_ready()
3261 __FILE__,__LINE__, tty->driver->name ); in block_til_ready()
3263 if (filp->f_flags & O_NONBLOCK || tty_io_error(tty)) { in block_til_ready()
3275 * this loop, port->count is dropped by one, so that in block_til_ready()
3281 add_wait_queue(&port->open_wait, &wait); in block_til_ready()
3285 __FILE__,__LINE__, tty->driver->name, port->count ); in block_til_ready()
3287 spin_lock_irqsave(&info->lock, flags); in block_til_ready()
3288 port->count--; in block_til_ready()
3289 spin_unlock_irqrestore(&info->lock, flags); in block_til_ready()
3290 port->blocked_open++; in block_til_ready()
3299 retval = (port->flags & ASYNC_HUP_NOTIFY) ? in block_til_ready()
3300 -EAGAIN : -ERESTARTSYS; in block_til_ready()
3309 retval = -ERESTARTSYS; in block_til_ready()
3315 __FILE__,__LINE__, tty->driver->name, port->count ); in block_til_ready()
3323 remove_wait_queue(&port->open_wait, &wait); in block_til_ready()
3325 port->count++; in block_til_ready()
3326 port->blocked_open--; in block_til_ready()
3330 __FILE__,__LINE__, tty->driver->name, port->count ); in block_til_ready()
3348 info->port_array[0]->last_mem_alloc = (SCA_MEM_SIZE/4) * info->port_num; in alloc_dma_bufs()
3355 BuffersPerFrame = (unsigned short)(info->max_frame_size/SCABUFSIZE); in alloc_dma_bufs()
3356 if ( info->max_frame_size % SCABUFSIZE ) in alloc_dma_bufs()
3363 BufferCount = (SCA_MEM_SIZE/4 - BUFFERLISTSIZE)/SCABUFSIZE; in alloc_dma_bufs()
3370 info->tx_buf_count = BuffersPerFrame + 1; in alloc_dma_bufs()
3373 if (info->tx_buf_count > (BufferCount/2)) in alloc_dma_bufs()
3374 info->tx_buf_count = BufferCount/2; in alloc_dma_bufs()
3376 if (info->tx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3377 info->tx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3380 info->rx_buf_count = BufferCount - info->tx_buf_count; in alloc_dma_bufs()
3382 if (info->rx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3383 info->rx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3387 __FILE__,__LINE__, info->device_name, in alloc_dma_bufs()
3388 info->tx_buf_count,info->rx_buf_count); in alloc_dma_bufs()
3392 info->rx_buf_list, in alloc_dma_bufs()
3393 info->rx_buf_list_ex, in alloc_dma_bufs()
3394 info->rx_buf_count) < 0 || in alloc_dma_bufs()
3396 info->tx_buf_list, in alloc_dma_bufs()
3397 info->tx_buf_list_ex, in alloc_dma_bufs()
3398 info->tx_buf_count) < 0 || in alloc_dma_bufs()
3401 __FILE__,__LINE__, info->device_name); in alloc_dma_bufs()
3402 return -ENOMEM; in alloc_dma_bufs()
3417 info->buffer_list = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3418 info->buffer_list_phys = info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3419 info->port_array[0]->last_mem_alloc += BUFFERLISTSIZE; in alloc_buf_list()
3421 memset(info->buffer_list, 0, BUFFERLISTSIZE); in alloc_buf_list()
3426 info->rx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3428 info->tx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3429 info->tx_buf_list += info->rx_buf_count; in alloc_buf_list()
3437 for ( i = 0; i < info->rx_buf_count; i++ ) { in alloc_buf_list()
3439 info->rx_buf_list_ex[i].phys_entry = in alloc_buf_list()
3440 info->buffer_list_phys + (i * SCABUFSIZE); in alloc_buf_list()
3444 info->rx_buf_list[i].next = info->buffer_list_phys; in alloc_buf_list()
3445 if ( i < info->rx_buf_count - 1 ) in alloc_buf_list()
3446 info->rx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3448 info->rx_buf_list[i].length = SCABUFSIZE; in alloc_buf_list()
3451 for ( i = 0; i < info->tx_buf_count; i++ ) { in alloc_buf_list()
3453 info->tx_buf_list_ex[i].phys_entry = info->buffer_list_phys + in alloc_buf_list()
3454 ((info->rx_buf_count + i) * sizeof(SCADESC)); in alloc_buf_list()
3459 info->tx_buf_list[i].next = info->buffer_list_phys + in alloc_buf_list()
3460 info->rx_buf_count * sizeof(SCADESC); in alloc_buf_list()
3462 if ( i < info->tx_buf_count - 1 ) in alloc_buf_list()
3463 info->tx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3477 buf_list_ex[i].virt_addr = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3478 phys_addr = info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3479 info->port_array[0]->last_mem_alloc += SCABUFSIZE; in alloc_frame_bufs()
3490 info->buffer_list = NULL; in free_dma_bufs()
3491 info->rx_buf_list = NULL; in free_dma_bufs()
3492 info->tx_buf_list = NULL; in free_dma_bufs()
3500 info->tmp_rx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3501 if (info->tmp_rx_buf == NULL) in alloc_tmp_rx_buf()
3502 return -ENOMEM; in alloc_tmp_rx_buf()
3504 info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3505 if (!info->flag_buf) { in alloc_tmp_rx_buf()
3506 kfree(info->tmp_rx_buf); in alloc_tmp_rx_buf()
3507 info->tmp_rx_buf = NULL; in alloc_tmp_rx_buf()
3508 return -ENOMEM; in alloc_tmp_rx_buf()
3515 kfree(info->tmp_rx_buf); in free_tmp_rx_buf()
3516 info->tmp_rx_buf = NULL; in free_tmp_rx_buf()
3517 kfree(info->flag_buf); in free_tmp_rx_buf()
3518 info->flag_buf = NULL; in free_tmp_rx_buf()
3523 if (request_mem_region(info->phys_memory_base,SCA_MEM_SIZE,"synclinkmp") == NULL) { in claim_resources()
3525 __FILE__,__LINE__,info->device_name, info->phys_memory_base); in claim_resources()
3526 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3530 info->shared_mem_requested = true; in claim_resources()
3532 if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclinkmp") == NULL) { in claim_resources()
3534 __FILE__,__LINE__,info->device_name, info->phys_lcr_base); in claim_resources()
3535 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3539 info->lcr_mem_requested = true; in claim_resources()
3541 …if (request_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE,"synclinkmp") == NULL)… in claim_resources()
3543 __FILE__,__LINE__,info->device_name, info->phys_sca_base); in claim_resources()
3544 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3548 info->sca_base_requested = true; in claim_resources()
3550 …if (request_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE,"synclinkmp")… in claim_resources()
3552 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base); in claim_resources()
3553 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3557 info->sca_statctrl_requested = true; in claim_resources()
3559 info->memory_base = ioremap(info->phys_memory_base, in claim_resources()
3561 if (!info->memory_base) { in claim_resources()
3563 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3564 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3568 info->lcr_base = ioremap(info->phys_lcr_base, PAGE_SIZE); in claim_resources()
3569 if (!info->lcr_base) { in claim_resources()
3571 __FILE__,__LINE__,info->device_name, info->phys_lcr_base ); in claim_resources()
3572 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3575 info->lcr_base += info->lcr_offset; in claim_resources()
3577 info->sca_base = ioremap(info->phys_sca_base, PAGE_SIZE); in claim_resources()
3578 if (!info->sca_base) { in claim_resources()
3580 __FILE__,__LINE__,info->device_name, info->phys_sca_base ); in claim_resources()
3581 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3584 info->sca_base += info->sca_offset; in claim_resources()
3586 info->statctrl_base = ioremap(info->phys_statctrl_base, in claim_resources()
3588 if (!info->statctrl_base) { in claim_resources()
3590 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base ); in claim_resources()
3591 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3594 info->statctrl_base += info->statctrl_offset; in claim_resources()
3598 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3599 info->init_error = DiagStatus_MemoryError; in claim_resources()
3607 return -ENODEV; in claim_resources()
3614 __FILE__,__LINE__,info->device_name ); in release_resources()
3616 if ( info->irq_requested ) { in release_resources()
3617 free_irq(info->irq_level, info); in release_resources()
3618 info->irq_requested = false; in release_resources()
3621 if ( info->shared_mem_requested ) { in release_resources()
3622 release_mem_region(info->phys_memory_base,SCA_MEM_SIZE); in release_resources()
3623 info->shared_mem_requested = false; in release_resources()
3625 if ( info->lcr_mem_requested ) { in release_resources()
3626 release_mem_region(info->phys_lcr_base + info->lcr_offset,128); in release_resources()
3627 info->lcr_mem_requested = false; in release_resources()
3629 if ( info->sca_base_requested ) { in release_resources()
3630 release_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE); in release_resources()
3631 info->sca_base_requested = false; in release_resources()
3633 if ( info->sca_statctrl_requested ) { in release_resources()
3634 release_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE); in release_resources()
3635 info->sca_statctrl_requested = false; in release_resources()
3638 if (info->memory_base){ in release_resources()
3639 iounmap(info->memory_base); in release_resources()
3640 info->memory_base = NULL; in release_resources()
3643 if (info->sca_base) { in release_resources()
3644 iounmap(info->sca_base - info->sca_offset); in release_resources()
3645 info->sca_base=NULL; in release_resources()
3648 if (info->statctrl_base) { in release_resources()
3649 iounmap(info->statctrl_base - info->statctrl_offset); in release_resources()
3650 info->statctrl_base=NULL; in release_resources()
3653 if (info->lcr_base){ in release_resources()
3654 iounmap(info->lcr_base - info->lcr_offset); in release_resources()
3655 info->lcr_base = NULL; in release_resources()
3660 __FILE__,__LINE__,info->device_name ); in release_resources()
3668 info->next_device = NULL; in add_device()
3669 info->line = synclinkmp_device_count; in add_device()
3670 sprintf(info->device_name,"ttySLM%dp%d",info->adapter_num,info->port_num); in add_device()
3672 if (info->line < MAX_DEVICES) { in add_device()
3673 if (maxframe[info->line]) in add_device()
3674 info->max_frame_size = maxframe[info->line]; in add_device()
3683 while( current_dev->next_device ) in add_device()
3684 current_dev = current_dev->next_device; in add_device()
3685 current_dev->next_device = info; in add_device()
3688 if ( info->max_frame_size < 4096 ) in add_device()
3689 info->max_frame_size = 4096; in add_device()
3690 else if ( info->max_frame_size > 65535 ) in add_device()
3691 info->max_frame_size = 65535; in add_device()
3695 info->device_name, in add_device()
3696 info->phys_sca_base, in add_device()
3697 info->phys_memory_base, in add_device()
3698 info->phys_statctrl_base, in add_device()
3699 info->phys_lcr_base, in add_device()
3700 info->irq_level, in add_device()
3701 info->max_frame_size ); in add_device()
3730 tty_port_init(&info->port); in alloc_dev()
3731 info->port.ops = &port_ops; in alloc_dev()
3732 info->magic = MGSL_MAGIC; in alloc_dev()
3733 INIT_WORK(&info->task, bh_handler); in alloc_dev()
3734 info->max_frame_size = 4096; in alloc_dev()
3735 info->port.close_delay = 5*HZ/10; in alloc_dev()
3736 info->port.closing_wait = 30*HZ; in alloc_dev()
3737 init_waitqueue_head(&info->status_event_wait_q); in alloc_dev()
3738 init_waitqueue_head(&info->event_wait_q); in alloc_dev()
3739 spin_lock_init(&info->netlock); in alloc_dev()
3740 memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS)); in alloc_dev()
3741 info->idle_mode = HDLC_TXIDLE_FLAGS; in alloc_dev()
3742 info->adapter_num = adapter_num; in alloc_dev()
3743 info->port_num = port_num; in alloc_dev()
3746 info->irq_level = pdev->irq; in alloc_dev()
3747 info->phys_lcr_base = pci_resource_start(pdev,0); in alloc_dev()
3748 info->phys_sca_base = pci_resource_start(pdev,2); in alloc_dev()
3749 info->phys_memory_base = pci_resource_start(pdev,3); in alloc_dev()
3750 info->phys_statctrl_base = pci_resource_start(pdev,4); in alloc_dev()
3756 info->lcr_offset = info->phys_lcr_base & (PAGE_SIZE-1); in alloc_dev()
3757 info->phys_lcr_base &= ~(PAGE_SIZE-1); in alloc_dev()
3759 info->sca_offset = info->phys_sca_base & (PAGE_SIZE-1); in alloc_dev()
3760 info->phys_sca_base &= ~(PAGE_SIZE-1); in alloc_dev()
3762 info->statctrl_offset = info->phys_statctrl_base & (PAGE_SIZE-1); in alloc_dev()
3763 info->phys_statctrl_base &= ~(PAGE_SIZE-1); in alloc_dev()
3765 info->bus_type = MGSL_BUS_TYPE_PCI; in alloc_dev()
3766 info->irq_flags = IRQF_SHARED; in alloc_dev()
3768 timer_setup(&info->tx_timer, tx_timeout, 0); in alloc_dev()
3769 timer_setup(&info->status_timer, status_timeout, 0); in alloc_dev()
3780 info->misc_ctrl_value = 0x087e4546; in alloc_dev()
3782 /* initial port state is unknown - if startup errors in alloc_dev()
3788 info->init_error = -1; in alloc_dev()
3803 for (--port; port >= 0; --port) { in device_init()
3804 tty_port_destroy(&port_array[port]->port); in device_init()
3807 return -ENOMEM; in device_init()
3813 memcpy(port_array[port]->port_array,port_array,sizeof(port_array)); in device_init()
3817 spin_lock_init(&port_array[port]->lock); in device_init()
3827 port_array[port]->lock = port_array[0]->lock; in device_init()
3828 port_array[port]->irq_level = port_array[0]->irq_level; in device_init()
3829 port_array[port]->memory_base = port_array[0]->memory_base; in device_init()
3830 port_array[port]->sca_base = port_array[0]->sca_base; in device_init()
3831 port_array[port]->statctrl_base = port_array[0]->statctrl_base; in device_init()
3832 port_array[port]->lcr_base = port_array[0]->lcr_base; in device_init()
3836 rc = request_irq(port_array[0]->irq_level, in device_init()
3838 port_array[0]->irq_flags, in device_init()
3839 port_array[0]->device_name, in device_init()
3844 port_array[0]->device_name, in device_init()
3845 port_array[0]->irq_level ); in device_init()
3848 port_array[0]->irq_requested = true; in device_init()
3856 tty_port_destroy(&port_array[port]->port); in device_init()
3909 info = info->next_device; in synclinkmp_cleanup()
3920 if ( info->port_num == 0 ) { in synclinkmp_cleanup()
3921 if (info->sca_base) in synclinkmp_cleanup()
3926 info = info->next_device; in synclinkmp_cleanup()
3927 tty_port_destroy(&tmp->port); in synclinkmp_cleanup()
3955 rc = -ENOMEM; in synclinkmp_init()
3961 serial_driver->driver_name = "synclinkmp"; in synclinkmp_init()
3962 serial_driver->name = "ttySLM"; in synclinkmp_init()
3963 serial_driver->major = ttymajor; in synclinkmp_init()
3964 serial_driver->minor_start = 64; in synclinkmp_init()
3965 serial_driver->type = TTY_DRIVER_TYPE_SERIAL; in synclinkmp_init()
3966 serial_driver->subtype = SERIAL_TYPE_NORMAL; in synclinkmp_init()
3967 serial_driver->init_termios = tty_std_termios; in synclinkmp_init()
3968 serial_driver->init_termios.c_cflag = in synclinkmp_init()
3970 serial_driver->init_termios.c_ispeed = 9600; in synclinkmp_init()
3971 serial_driver->init_termios.c_ospeed = 9600; in synclinkmp_init()
3972 serial_driver->flags = TTY_DRIVER_REAL_RAW; in synclinkmp_init()
3984 serial_driver->major); in synclinkmp_init()
4014 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in enable_loopback()
4041 if (info->params.clock_speed) in enable_loopback()
4042 set_rate(info, info->params.clock_speed); in enable_loopback()
4102 __FILE__,__LINE__, info->device_name ); in rx_stop()
4106 info->ie0_value &= ~RXRDYE; in rx_stop()
4107 write_reg(info, IE0, info->ie0_value); /* disable Rx data interrupts */ in rx_stop()
4113 info->rx_enabled = false; in rx_stop()
4114 info->rx_overflow = false; in rx_stop()
4125 __FILE__,__LINE__, info->device_name ); in rx_start()
4129 if ( info->params.mode == MGSL_MODE_HDLC ) { in rx_start()
4131 info->ie0_value &= ~RXRDYE; in rx_start()
4132 write_reg(info, IE0, info->ie0_value); in rx_start()
4138 for (i = 0; i < info->rx_buf_count; i++) { in rx_start()
4139 info->rx_buf_list[i].status = 0xff; in rx_start()
4146 info->current_rx_buf = 0; in rx_start()
4150 info->rx_buf_list_ex[0].phys_entry); in rx_start()
4154 info->rx_buf_list_ex[info->rx_buf_count - 1].phys_entry); in rx_start()
4163 info->ie0_value |= RXRDYE; in rx_start()
4164 write_reg(info, IE0, info->ie0_value); in rx_start()
4169 info->rx_overflow = false; in rx_start()
4170 info->rx_enabled = true; in rx_start()
4180 __FILE__,__LINE__, info->device_name,info->tx_count ); in tx_start()
4182 if (!info->tx_enabled ) { in tx_start()
4185 info->tx_enabled = true; in tx_start()
4188 if ( info->tx_count ) { in tx_start()
4194 info->drop_rts_on_tx_done = false; in tx_start()
4196 if (info->params.mode != MGSL_MODE_ASYNC) { in tx_start()
4198 if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) { in tx_start()
4200 if ( !(info->serial_signals & SerialSignal_RTS) ) { in tx_start()
4201 info->serial_signals |= SerialSignal_RTS; in tx_start()
4203 info->drop_rts_on_tx_done = true; in tx_start()
4208 (unsigned short)(((tx_negate_fifo_level-1)<<8) + tx_active_fifo_level)); in tx_start()
4215 info->tx_buf_list_ex[0].phys_entry); in tx_start()
4219 info->tx_buf_list_ex[info->last_tx_buf].phys_entry); in tx_start()
4222 info->ie1_value &= ~IDLE; in tx_start()
4223 info->ie1_value |= UDRN; in tx_start()
4224 write_reg(info, IE1, info->ie1_value); in tx_start()
4230 mod_timer(&info->tx_timer, jiffies + in tx_start()
4236 info->ie0_value |= TXRDYE; in tx_start()
4237 write_reg(info, IE0, info->ie0_value); in tx_start()
4240 info->tx_active = true; in tx_start()
4250 __FILE__,__LINE__, info->device_name ); in tx_stop()
4252 del_timer(&info->tx_timer); in tx_stop()
4259 info->ie1_value &= ~(UDRN + IDLE); in tx_stop()
4260 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_stop()
4263 info->ie0_value &= ~TXRDYE; in tx_stop()
4264 write_reg(info, IE0, info->ie0_value); /* disable tx data interrupts */ in tx_stop()
4266 info->tx_enabled = false; in tx_stop()
4267 info->tx_active = false; in tx_stop()
4279 if ( !info->tx_count && !info->x_char ) in tx_load_fifo()
4284 while( info->tx_count && (read_reg(info,SR0) & BIT1) ) { in tx_load_fifo()
4289 if ( (info->tx_count > 1) && !info->x_char ) { in tx_load_fifo()
4290 /* write 16-bits */ in tx_load_fifo()
4291 TwoBytes[0] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4292 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4293 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4294 TwoBytes[1] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4295 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4296 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4300 info->tx_count -= 2; in tx_load_fifo()
4301 info->icount.tx += 2; in tx_load_fifo()
4305 if (info->x_char) { in tx_load_fifo()
4307 write_reg(info, TRB, info->x_char); in tx_load_fifo()
4308 info->x_char = 0; in tx_load_fifo()
4310 write_reg(info, TRB, info->tx_buf[info->tx_get++]); in tx_load_fifo()
4311 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4312 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4313 info->tx_count--; in tx_load_fifo()
4315 info->icount.tx++; in tx_load_fifo()
4324 if (info->sca_base) { in reset_port()
4329 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in reset_port()
4333 info->ie0_value = 0; in reset_port()
4334 info->ie1_value = 0; in reset_port()
4335 info->ie2_value = 0; in reset_port()
4336 write_reg(info, IE0, info->ie0_value); in reset_port()
4337 write_reg(info, IE1, info->ie1_value); in reset_port()
4338 write_reg(info, IE2, info->ie2_value); in reset_port()
4351 if (info->port_array[i]) in reset_adapter()
4352 reset_port(info->port_array[i]); in reset_adapter()
4369 * 04 AUTO, Auto-enable (RTS/CTS/DCD) in async_mode()
4377 if (info->params.stop_bits != 1) in async_mode()
4391 switch (info->params.data_bits) { in async_mode()
4396 if (info->params.parity != ASYNC_PARITY_NONE) { in async_mode()
4398 if (info->params.parity == ASYNC_PARITY_ODD) in async_mode()
4411 if (info->params.loopback) in async_mode()
4437 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in async_mode()
4459 * 04..00 TRC<4..0> Tx FIFO trigger inactive 0x1e = 31 bytes (full-1) in async_mode()
4476 if (!(info->serial_signals & SerialSignal_RTS)) in async_mode()
4481 info->ie0_value |= TXINTE + RXINTE; in async_mode()
4482 write_reg(info, IE0, info->ie0_value); in async_mode()
4485 info->ie1_value = BRKD; in async_mode()
4486 write_reg(info, IE1, info->ie1_value); in async_mode()
4489 info->ie2_value = OVRN; in async_mode()
4490 write_reg(info, IE2, info->ie2_value); in async_mode()
4492 set_rate( info, info->params.data_rate * 16 ); in async_mode()
4506 info->params.flags &= ~(HDLC_FLAG_TXC_DPLL + HDLC_FLAG_RXC_DPLL); in hdlc_mode()
4515 * 04 AUTO, Auto-enable (RTS/CTS/DCD) in hdlc_mode()
4518 * 01 CRC1, CRC selection, 0=CRC-16,1=CRC-CCITT-16 in hdlc_mode()
4524 if (info->params.flags & HDLC_FLAG_AUTO_CTS) in hdlc_mode()
4526 if (info->params.flags & HDLC_FLAG_AUTO_DCD) in hdlc_mode()
4528 if (info->params.crc_type == HDLC_CRC_16_CCITT) in hdlc_mode()
4555 switch(info->params.encoding) { in hdlc_mode()
4566 if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) { in hdlc_mode()
4569 } else if ( info->params.flags & HDLC_FLAG_DPLL_DIV8 ) { in hdlc_mode()
4585 if (info->params.flags & HDLC_FLAG_RXC_BRG) in hdlc_mode()
4587 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4598 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4600 if (info->params.flags & HDLC_FLAG_TXC_DPLL) in hdlc_mode()
4604 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4605 set_rate(info, info->params.clock_speed * DpllDivisor); in hdlc_mode()
4607 set_rate(info, info->params.clock_speed); in hdlc_mode()
4613 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4614 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in hdlc_mode()
4616 info->port_array[0]->ctrlreg_value &= ~(BIT0 << (info->port_num * 2)); in hdlc_mode()
4638 write_reg(info, TRC1, (unsigned char)(tx_negate_fifo_level - 1)); in hdlc_mode()
4643 * 04 TMOD, Transfer Mode: 1=chained-block in hdlc_mode()
4645 * 02 NF, Number of Frames: 1=multi-frame in hdlc_mode()
4656 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4660 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4665 info->ie0_value |= TXINTE + RXINTE; in hdlc_mode()
4666 write_reg(info, IE0, info->ie0_value); in hdlc_mode()
4681 if (!(info->serial_signals & SerialSignal_RTS)) in hdlc_mode()
4691 set_rate(info, info->params.clock_speed); in hdlc_mode()
4693 if (info->params.loopback) in hdlc_mode()
4704 switch(info->idle_mode) { in tx_set_idle()
4726 info->serial_signals &= SerialSignal_RTS | SerialSignal_DTR; in get_signals()
4731 info->serial_signals |= SerialSignal_CTS; in get_signals()
4734 info->serial_signals |= SerialSignal_DCD; in get_signals()
4736 testbit = BIT1 << (info->port_num * 2); // Port 0..3 RI is GPDATA<1,3,5,7> in get_signals()
4738 info->serial_signals |= SerialSignal_RI; in get_signals()
4740 testbit = BIT0 << (info->port_num * 2); // Port 0..3 DSR is GPDATA<0,2,4,6> in get_signals()
4742 info->serial_signals |= SerialSignal_DSR; in get_signals()
4754 if (info->serial_signals & SerialSignal_RTS) in set_signals()
4761 EnableBit = BIT1 << (info->port_num*2); in set_signals()
4762 if (info->serial_signals & SerialSignal_DTR) in set_signals()
4763 info->port_array[0]->ctrlreg_value &= ~EnableBit; in set_signals()
4765 info->port_array[0]->ctrlreg_value |= EnableBit; in set_signals()
4779 rx_free_frame_buffers(info, 0, info->rx_buf_count - 1); in rx_reset_buffers()
4794 info->rx_buf_list[first].status = 0xff; in rx_free_frame_buffers()
4799 write_reg16(info, RXDMA + EDA, info->rx_buf_list_ex[first].phys_entry); in rx_free_frame_buffers()
4803 if (first == info->rx_buf_count) in rx_free_frame_buffers()
4808 info->current_rx_buf = first; in rx_free_frame_buffers()
4823 struct tty_struct *tty = info->port.tty; in rx_get_frame()
4836 * a non-zero status field in the buffer entries. (The status in rx_get_frame()
4839 StartIndex = EndIndex = info->current_rx_buf; in rx_get_frame()
4842 desc = &info->rx_buf_list[EndIndex]; in rx_get_frame()
4843 desc_ex = &info->rx_buf_list_ex[EndIndex]; in rx_get_frame()
4845 if (desc->status == 0xff) in rx_get_frame()
4848 if (framesize == 0 && info->params.addr_filter != 0xff) in rx_get_frame()
4849 addr_field = desc_ex->virt_addr[0]; in rx_get_frame()
4851 framesize += desc->length; in rx_get_frame()
4854 if (desc->status) in rx_get_frame()
4858 if (EndIndex == info->rx_buf_count) in rx_get_frame()
4861 if (EndIndex == info->current_rx_buf) { in rx_get_frame()
4864 if ( info->rx_enabled ){ in rx_get_frame()
4865 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4867 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
4886 status = desc->status; in rx_get_frame()
4890 if (info->params.crc_type == HDLC_CRC_NONE) in rx_get_frame()
4894 (addr_field != 0xff && addr_field != info->params.addr_filter)) { in rx_get_frame()
4910 info->icount.rxshort++; in rx_get_frame()
4912 info->icount.rxabort++; in rx_get_frame()
4914 info->icount.rxover++; in rx_get_frame()
4916 info->icount.rxcrc++; in rx_get_frame()
4921 info->netdev->stats.rx_errors++; in rx_get_frame()
4922 info->netdev->stats.rx_frame_errors++; in rx_get_frame()
4929 __FILE__,__LINE__,info->device_name,status,framesize); in rx_get_frame()
4932 trace_block(info,info->rx_buf_list_ex[StartIndex].virt_addr, in rx_get_frame()
4936 if (framesize > info->max_frame_size) in rx_get_frame()
4937 info->icount.rxlong++; in rx_get_frame()
4942 unsigned char *ptmp = info->tmp_rx_buf; in rx_get_frame()
4943 info->tmp_rx_buf_count = framesize; in rx_get_frame()
4945 info->icount.rxok++; in rx_get_frame()
4950 info->rx_buf_list_ex[index].virt_addr, in rx_get_frame()
4953 copy_count -= partial_count; in rx_get_frame()
4955 if ( ++index == info->rx_buf_count ) in rx_get_frame()
4960 if (info->netcount) in rx_get_frame()
4961 hdlcdev_rx(info,info->tmp_rx_buf,framesize); in rx_get_frame()
4964 ldisc_receive_buf(tty,info->tmp_rx_buf, in rx_get_frame()
4965 info->flag_buf, framesize); in rx_get_frame()
4974 if ( info->rx_enabled && info->rx_overflow ) { in rx_get_frame()
4978 if (info->rx_buf_list[EndIndex].status == 0xff) { in rx_get_frame()
4979 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4981 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
5007 desc = &info->tx_buf_list[i]; in tx_load_dma_buffer()
5008 desc_ex = &info->tx_buf_list_ex[i]; in tx_load_dma_buffer()
5010 load_pci_memory(info, desc_ex->virt_addr,buf,copy_count); in tx_load_dma_buffer()
5012 desc->length = copy_count; in tx_load_dma_buffer()
5013 desc->status = 0; in tx_load_dma_buffer()
5016 count -= copy_count; in tx_load_dma_buffer()
5022 if (i >= info->tx_buf_count) in tx_load_dma_buffer()
5026 info->tx_buf_list[i].status = 0x81; /* set EOM and EOT status */ in tx_load_dma_buffer()
5027 info->last_tx_buf = ++i; in tx_load_dma_buffer()
5038 spin_lock_irqsave(&info->lock,flags); in register_test()
5042 info->init_error = DiagStatus_AddressFailure; in register_test()
5064 spin_unlock_irqrestore(&info->lock,flags); in register_test()
5074 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in irq_test()
5076 spin_lock_irqsave(&info->lock,flags); in irq_test()
5080 info->init_error = DiagStatus_IrqFailure; in irq_test()
5081 info->irq_occurred = false; in irq_test()
5086 write_reg(info, IER2, (unsigned char)((info->port_num & 1) ? BIT6 : BIT4)); in irq_test()
5104 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5107 while( timeout-- && !info->irq_occurred ) { in irq_test()
5111 spin_lock_irqsave(&info->lock,flags); in irq_test()
5113 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5115 return info->irq_occurred; in irq_test()
5144 write_reg(info, IER0, 0xff); /* TxRDY,RxRDY,TxINT,RxINT (ports 0-1) */ in sca_init()
5145 write_reg(info, IER1, 0xff); /* DMIB,DMIA (channels 0-3) */ in sca_init()
5146 write_reg(info, IER2, 0xf0); /* TIRQ (timers 0-3) */ in sca_init()
5149 * 07 IPC, interrupt priority, 0=MSCI->DMA in sca_init()
5150 * 06..05 IAK<1..0>, Acknowledge cycle, 00=non-ack cycle in sca_init()
5166 volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50); in init_adapter()
5169 info->misc_ctrl_value |= BIT30; in init_adapter()
5170 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5180 info->misc_ctrl_value &= ~BIT30; in init_adapter()
5181 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5184 info->ctrlreg_value = 0xaa; in init_adapter()
5188 volatile u32 *LCR1BRDR = (u32 *)(info->lcr_base + 0x2c); in init_adapter()
5211 sca_init(info->port_array[0]); in init_adapter()
5212 sca_init(info->port_array[2]); in init_adapter()
5230 struct tty_struct *oldtty = info->port.tty; in loopback_test()
5231 u32 speed = info->params.clock_speed; in loopback_test()
5233 info->params.clock_speed = 3686400; in loopback_test()
5234 info->port.tty = NULL; in loopback_test()
5237 info->init_error = DiagStatus_DmaFailure; in loopback_test()
5243 memset(info->tmp_rx_buf,0,TESTFRAMESIZE); in loopback_test()
5246 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5250 info->tx_count = count; in loopback_test()
5253 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5257 for ( timeout = 100; timeout; --timeout ) { in loopback_test()
5268 ( info->tmp_rx_buf_count != count || in loopback_test()
5269 memcmp(buf, info->tmp_rx_buf,count))) { in loopback_test()
5273 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5275 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5277 info->params.clock_speed = speed; in loopback_test()
5278 info->port.tty = oldtty; in loopback_test()
5290 __FILE__,__LINE__,info->device_name ); in adapter_test()
5292 spin_lock_irqsave(&info->lock,flags); in adapter_test()
5294 spin_unlock_irqrestore(&info->lock,flags); in adapter_test()
5296 info->port_array[0]->port_count = 0; in adapter_test()
5298 if ( register_test(info->port_array[0]) && in adapter_test()
5299 register_test(info->port_array[1])) { in adapter_test()
5301 info->port_array[0]->port_count = 2; in adapter_test()
5303 if ( register_test(info->port_array[2]) && in adapter_test()
5304 register_test(info->port_array[3]) ) in adapter_test()
5305 info->port_array[0]->port_count += 2; in adapter_test()
5309 __FILE__,__LINE__,info->device_name, (unsigned long)(info->phys_sca_base)); in adapter_test()
5310 return -ENODEV; in adapter_test()
5313 if ( !irq_test(info->port_array[0]) || in adapter_test()
5314 !irq_test(info->port_array[1]) || in adapter_test()
5315 (info->port_count == 4 && !irq_test(info->port_array[2])) || in adapter_test()
5316 (info->port_count == 4 && !irq_test(info->port_array[3]))) { in adapter_test()
5318 __FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) ); in adapter_test()
5319 return -ENODEV; in adapter_test()
5322 if (!loopback_test(info->port_array[0]) || in adapter_test()
5323 !loopback_test(info->port_array[1]) || in adapter_test()
5324 (info->port_count == 4 && !loopback_test(info->port_array[2])) || in adapter_test()
5325 (info->port_count == 4 && !loopback_test(info->port_array[3]))) { in adapter_test()
5327 __FILE__,__LINE__,info->device_name); in adapter_test()
5328 return -ENODEV; in adapter_test()
5333 __FILE__,__LINE__,info->device_name ); in adapter_test()
5335 info->port_array[0]->init_error = 0; in adapter_test()
5336 info->port_array[1]->init_error = 0; in adapter_test()
5337 if ( info->port_count > 2 ) { in adapter_test()
5338 info->port_array[2]->init_error = 0; in adapter_test()
5339 info->port_array[3]->init_error = 0; in adapter_test()
5354 unsigned long * addr = (unsigned long *)info->memory_base; in memory_test()
5372 addr = (unsigned long *)info->memory_base; in memory_test()
5380 memset( info->memory_base, 0, SCA_MEM_SIZE ); in memory_test()
5401 /* A load interval of 16 allows for 4 32-bit writes at */ in load_pci_memory()
5423 printk("%s tx data:\n",info->device_name); in trace_block()
5425 printk("%s rx data:\n",info->device_name); in trace_block()
5446 count -= linecount; in trace_block()
5460 __FILE__,__LINE__,info->device_name); in tx_timeout()
5461 if(info->tx_active && info->params.mode == MGSL_MODE_HDLC) { in tx_timeout()
5462 info->icount.txtimeout++; in tx_timeout()
5464 spin_lock_irqsave(&info->lock,flags); in tx_timeout()
5465 info->tx_active = false; in tx_timeout()
5466 info->tx_count = info->tx_put = info->tx_get = 0; in tx_timeout()
5468 spin_unlock_irqrestore(&info->lock,flags); in tx_timeout()
5471 if (info->netcount) in tx_timeout()
5488 spin_lock_irqsave(&info->lock,flags); in status_timeout()
5490 spin_unlock_irqrestore(&info->lock,flags); in status_timeout()
5494 delta = info->old_signals ^ info->serial_signals; in status_timeout()
5495 info->old_signals = info->serial_signals; in status_timeout()
5498 status |= MISCSTATUS_DSR_LATCHED|(info->serial_signals&SerialSignal_DSR); in status_timeout()
5501 status |= MISCSTATUS_RI_LATCHED|(info->serial_signals&SerialSignal_RI); in status_timeout()
5504 status |= MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD); in status_timeout()
5507 status |= MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS); in status_timeout()
5512 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in status_timeout()
5516 /* Register Access Routines -
5520 unsigned char * RegAddr = (unsigned char*)(info->sca_base + Addr); \
5521 if (info->port_num > 1) \
5522 RegAddr += 256; /* port 0-1 SCA0, 2-3 SCA1 */ \
5523 if ( info->port_num & 1) { \
5556 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in read_status_reg()
5562 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in write_control_reg()
5563 *RegAddr = info->port_array[0]->ctrlreg_value; in write_control_reg()
5572 return -EIO; in synclinkmp_init_one()