Lines Matching refs:info
529 static void hdlcdev_tx_done(SLMP_INFO *info);
530 static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size);
531 static int hdlcdev_init(SLMP_INFO *info);
532 static void hdlcdev_exit(SLMP_INFO *info);
537 static int get_stats(SLMP_INFO *info, struct mgsl_icount __user *user_icount);
538 static int get_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
539 static int set_params(SLMP_INFO *info, MGSL_PARAMS __user *params);
540 static int get_txidle(SLMP_INFO *info, int __user *idle_mode);
541 static int set_txidle(SLMP_INFO *info, int idle_mode);
542 static int tx_enable(SLMP_INFO *info, int enable);
543 static int tx_abort(SLMP_INFO *info);
544 static int rx_enable(SLMP_INFO *info, int enable);
545 static int modem_input_wait(SLMP_INFO *info,int arg);
546 static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
552 static void add_device(SLMP_INFO *info);
554 static int claim_resources(SLMP_INFO *info);
555 static void release_resources(SLMP_INFO *info);
557 static int startup(SLMP_INFO *info);
558 static int block_til_ready(struct tty_struct *tty, struct file * filp,SLMP_INFO *info);
560 static void shutdown(SLMP_INFO *info);
561 static void program_hw(SLMP_INFO *info);
562 static void change_params(SLMP_INFO *info);
564 static bool init_adapter(SLMP_INFO *info);
565 static bool register_test(SLMP_INFO *info);
566 static bool irq_test(SLMP_INFO *info);
567 static bool loopback_test(SLMP_INFO *info);
568 static int adapter_test(SLMP_INFO *info);
569 static bool memory_test(SLMP_INFO *info);
571 static void reset_adapter(SLMP_INFO *info);
572 static void reset_port(SLMP_INFO *info);
573 static void async_mode(SLMP_INFO *info);
574 static void hdlc_mode(SLMP_INFO *info);
576 static void rx_stop(SLMP_INFO *info);
577 static void rx_start(SLMP_INFO *info);
578 static void rx_reset_buffers(SLMP_INFO *info);
579 static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last);
580 static bool rx_get_frame(SLMP_INFO *info);
582 static void tx_start(SLMP_INFO *info);
583 static void tx_stop(SLMP_INFO *info);
584 static void tx_load_fifo(SLMP_INFO *info);
585 static void tx_set_idle(SLMP_INFO *info);
586 static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count);
588 static void get_signals(SLMP_INFO *info);
589 static void set_signals(SLMP_INFO *info);
590 static void enable_loopback(SLMP_INFO *info, int enable);
591 static void set_rate(SLMP_INFO *info, u32 data_rate);
593 static int bh_action(SLMP_INFO *info);
595 static void bh_receive(SLMP_INFO *info);
596 static void bh_transmit(SLMP_INFO *info);
597 static void bh_status(SLMP_INFO *info);
598 static void isr_timer(SLMP_INFO *info);
599 static void isr_rxint(SLMP_INFO *info);
600 static void isr_rxrdy(SLMP_INFO *info);
601 static void isr_txint(SLMP_INFO *info);
602 static void isr_txrdy(SLMP_INFO *info);
603 static void isr_rxdmaok(SLMP_INFO *info);
604 static void isr_rxdmaerror(SLMP_INFO *info);
605 static void isr_txdmaok(SLMP_INFO *info);
606 static void isr_txdmaerror(SLMP_INFO *info);
607 static void isr_io_pin(SLMP_INFO *info, u16 status);
609 static int alloc_dma_bufs(SLMP_INFO *info);
610 static void free_dma_bufs(SLMP_INFO *info);
611 static int alloc_buf_list(SLMP_INFO *info);
612 static int alloc_frame_bufs(SLMP_INFO *info, SCADESC *list, SCADESC_EX *list_ex,int count);
613 static int alloc_tmp_rx_buf(SLMP_INFO *info);
614 static void free_tmp_rx_buf(SLMP_INFO *info);
616 static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count);
617 static void trace_block(SLMP_INFO *info, const char* data, int count, int xmit);
621 static unsigned char read_reg(SLMP_INFO *info, unsigned char addr);
622 static void write_reg(SLMP_INFO *info, unsigned char addr, unsigned char val);
623 static u16 read_reg16(SLMP_INFO *info, unsigned char addr);
624 static void write_reg16(SLMP_INFO *info, unsigned char addr, u16 val);
625 static unsigned char read_status_reg(SLMP_INFO * info);
626 static void write_control_reg(SLMP_INFO * info);
664 static inline int sanity_check(SLMP_INFO *info, in sanity_check() argument
673 if (!info) { in sanity_check()
677 if (info->magic != MGSL_MAGIC) { in sanity_check()
682 if (!info) in sanity_check()
715 SLMP_INFO *info; in install() local
724 info = synclinkmp_device_list; 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()
729 if (info->init_error) { in install()
731 __FILE__, __LINE__, info->device_name, in install()
732 info->init_error); 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() local
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()
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()
768 retval = startup(info); in open()
773 retval = block_til_ready(tty, filp, info); in open()
777 __FILE__,__LINE__, info->device_name, retval); in open()
783 __FILE__,__LINE__, info->device_name); 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() local
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 (info->port.flags & ASYNC_INITIALIZED) in close()
816 wait_until_sent(tty, info->timeout); in close()
820 shutdown(info); 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() local
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()
848 shutdown(info); in hangup()
850 spin_lock_irqsave(&info->port.lock, flags); in hangup()
851 info->port.count = 0; in hangup()
852 info->port.flags &= ~ASYNC_NORMAL_ACTIVE; in hangup()
853 info->port.tty = NULL; in hangup()
854 spin_unlock_irqrestore(&info->port.lock, flags); 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() local
871 change_params(info); in set_termios()
876 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in set_termios()
877 spin_lock_irqsave(&info->lock,flags); in set_termios()
878 set_signals(info); in set_termios()
879 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
885 info->serial_signals |= SerialSignal_DTR; in set_termios()
888 info->serial_signals |= SerialSignal_RTS; in set_termios()
890 spin_lock_irqsave(&info->lock,flags); in set_termios()
891 set_signals(info); in set_termios()
892 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
917 SLMP_INFO *info = tty->driver_data; in write() local
922 __FILE__,__LINE__,info->device_name,count); in write()
924 if (sanity_check(info, tty->name, "write")) in write()
927 if (!info->tx_buf) in write()
930 if (info->params.mode == MGSL_MODE_HDLC) { in write()
931 if (count > info->max_frame_size) { in write()
935 if (info->tx_active) in write()
937 if (info->tx_count) { in write()
940 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
943 ret = info->tx_count = count; in write()
944 tx_load_dma_buffer(info, buf, count); in write()
950 min(info->max_frame_size - info->tx_count - 1, in write()
951 info->max_frame_size - info->tx_put)); in write()
955 memcpy(info->tx_buf + info->tx_put, buf, c); in write()
957 spin_lock_irqsave(&info->lock,flags); in write()
958 info->tx_put += c; in write()
959 if (info->tx_put >= info->max_frame_size) in write()
960 info->tx_put -= info->max_frame_size; in write()
961 info->tx_count += c; in write()
962 spin_unlock_irqrestore(&info->lock,flags); in write()
969 if (info->params.mode == MGSL_MODE_HDLC) { in write()
971 ret = info->tx_count = 0; in write()
974 tx_load_dma_buffer(info, info->tx_buf, info->tx_count); in write()
977 if (info->tx_count && !tty->stopped && !tty->hw_stopped) { in write()
978 spin_lock_irqsave(&info->lock,flags); in write()
979 if (!info->tx_active) in write()
980 tx_start(info); in write()
981 spin_unlock_irqrestore(&info->lock,flags); in write()
987 __FILE__,__LINE__,info->device_name,ret); in write()
995 SLMP_INFO *info = tty->driver_data; in put_char() local
1001 __FILE__,__LINE__,info->device_name,ch); in put_char()
1004 if (sanity_check(info, tty->name, "put_char")) in put_char()
1007 if (!info->tx_buf) in put_char()
1010 spin_lock_irqsave(&info->lock,flags); in put_char()
1012 if ( (info->params.mode != MGSL_MODE_HDLC) || in put_char()
1013 !info->tx_active ) { in put_char()
1015 if (info->tx_count < info->max_frame_size - 1) { in put_char()
1016 info->tx_buf[info->tx_put++] = ch; in put_char()
1017 if (info->tx_put >= info->max_frame_size) in put_char()
1018 info->tx_put -= info->max_frame_size; in put_char()
1019 info->tx_count++; in put_char()
1024 spin_unlock_irqrestore(&info->lock,flags); in put_char()
1032 SLMP_INFO *info = tty->driver_data; in send_xchar() local
1037 __FILE__,__LINE__, info->device_name, ch ); in send_xchar()
1039 if (sanity_check(info, tty->name, "send_xchar")) in send_xchar()
1042 info->x_char = ch; in send_xchar()
1045 spin_lock_irqsave(&info->lock,flags); in send_xchar()
1046 if (!info->tx_enabled) in send_xchar()
1047 tx_start(info); in send_xchar()
1048 spin_unlock_irqrestore(&info->lock,flags); in send_xchar()
1056 SLMP_INFO * info = tty->driver_data; in wait_until_sent() local
1059 if (!info ) in wait_until_sent()
1064 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1066 if (sanity_check(info, tty->name, "wait_until_sent")) in wait_until_sent()
1069 if (!test_bit(ASYNCB_INITIALIZED, &info->port.flags)) in wait_until_sent()
1080 if ( info->params.data_rate ) { in wait_until_sent()
1081 char_time = info->timeout/(32 * 5); in wait_until_sent()
1090 if ( info->params.mode == MGSL_MODE_HDLC ) { in wait_until_sent()
1091 while (info->tx_active) { in wait_until_sent()
1103 while ( info->tx_active && info->tx_enabled) { in wait_until_sent()
1115 __FILE__,__LINE__, info->device_name ); in wait_until_sent()
1122 SLMP_INFO *info = tty->driver_data; in write_room() local
1125 if (sanity_check(info, tty->name, "write_room")) in write_room()
1128 if (info->params.mode == MGSL_MODE_HDLC) { in write_room()
1129 ret = (info->tx_active) ? 0 : HDLC_MAX_FRAME_SIZE; in write_room()
1131 ret = info->max_frame_size - info->tx_count - 1; in write_room()
1138 __FILE__, __LINE__, info->device_name, ret); in write_room()
1147 SLMP_INFO *info = tty->driver_data; in flush_chars() local
1152 __FILE__,__LINE__,info->device_name,info->tx_count); in flush_chars()
1154 if (sanity_check(info, tty->name, "flush_chars")) in flush_chars()
1157 if (info->tx_count <= 0 || tty->stopped || tty->hw_stopped || in flush_chars()
1158 !info->tx_buf) in flush_chars()
1163 __FILE__,__LINE__,info->device_name ); in flush_chars()
1165 spin_lock_irqsave(&info->lock,flags); in flush_chars()
1167 if (!info->tx_active) { in flush_chars()
1168 if ( (info->params.mode == MGSL_MODE_HDLC) && in flush_chars()
1169 info->tx_count ) { in flush_chars()
1173 tx_load_dma_buffer(info, in flush_chars()
1174 info->tx_buf,info->tx_count); in flush_chars()
1176 tx_start(info); in flush_chars()
1179 spin_unlock_irqrestore(&info->lock,flags); in flush_chars()
1186 SLMP_INFO *info = tty->driver_data; in flush_buffer() local
1191 __FILE__,__LINE__, info->device_name ); in flush_buffer()
1193 if (sanity_check(info, tty->name, "flush_buffer")) in flush_buffer()
1196 spin_lock_irqsave(&info->lock,flags); in flush_buffer()
1197 info->tx_count = info->tx_put = info->tx_get = 0; in flush_buffer()
1198 del_timer(&info->tx_timer); in flush_buffer()
1199 spin_unlock_irqrestore(&info->lock,flags); in flush_buffer()
1208 SLMP_INFO *info = tty->driver_data; in tx_hold() local
1211 if (sanity_check(info, tty->name, "tx_hold")) in tx_hold()
1216 __FILE__,__LINE__,info->device_name); in tx_hold()
1218 spin_lock_irqsave(&info->lock,flags); in tx_hold()
1219 if (info->tx_enabled) in tx_hold()
1220 tx_stop(info); in tx_hold()
1221 spin_unlock_irqrestore(&info->lock,flags); in tx_hold()
1228 SLMP_INFO *info = tty->driver_data; in tx_release() local
1231 if (sanity_check(info, tty->name, "tx_release")) in tx_release()
1236 __FILE__,__LINE__,info->device_name); in tx_release()
1238 spin_lock_irqsave(&info->lock,flags); in tx_release()
1239 if (!info->tx_enabled) in tx_release()
1240 tx_start(info); in tx_release()
1241 spin_unlock_irqrestore(&info->lock,flags); in tx_release()
1257 SLMP_INFO *info = tty->driver_data; in ioctl() local
1262 info->device_name, cmd ); in ioctl()
1264 if (sanity_check(info, tty->name, "ioctl")) in ioctl()
1275 return get_params(info, argp); in ioctl()
1277 return set_params(info, argp); in ioctl()
1279 return get_txidle(info, argp); in ioctl()
1281 return set_txidle(info, (int)arg); in ioctl()
1283 return tx_enable(info, (int)arg); in ioctl()
1285 return rx_enable(info, (int)arg); in ioctl()
1287 return tx_abort(info); in ioctl()
1289 return get_stats(info, argp); in ioctl()
1291 return wait_mgsl_event(info, argp); in ioctl()
1298 return modem_input_wait(info,(int)arg); in ioctl()
1315 SLMP_INFO *info = tty->driver_data; in get_icount() local
1319 spin_lock_irqsave(&info->lock,flags); in get_icount()
1320 cnow = info->icount; in get_icount()
1321 spin_unlock_irqrestore(&info->lock,flags); in get_icount()
1342 static inline void line_info(struct seq_file *m, SLMP_INFO *info) in line_info() argument
1349 info->device_name, in line_info()
1350 info->phys_sca_base, in line_info()
1351 info->phys_memory_base, in line_info()
1352 info->phys_statctrl_base, in line_info()
1353 info->phys_lcr_base, in line_info()
1354 info->irq_level, in line_info()
1355 info->max_frame_size ); in line_info()
1358 spin_lock_irqsave(&info->lock,flags); in line_info()
1359 get_signals(info); in line_info()
1360 spin_unlock_irqrestore(&info->lock,flags); in line_info()
1364 if (info->serial_signals & SerialSignal_RTS) in line_info()
1366 if (info->serial_signals & SerialSignal_CTS) in line_info()
1368 if (info->serial_signals & SerialSignal_DTR) in line_info()
1370 if (info->serial_signals & SerialSignal_DSR) in line_info()
1372 if (info->serial_signals & SerialSignal_DCD) in line_info()
1374 if (info->serial_signals & SerialSignal_RI) in line_info()
1377 if (info->params.mode == MGSL_MODE_HDLC) { in line_info()
1379 info->icount.txok, info->icount.rxok); in line_info()
1380 if (info->icount.txunder) in line_info()
1381 seq_printf(m, " txunder:%d", info->icount.txunder); in line_info()
1382 if (info->icount.txabort) in line_info()
1383 seq_printf(m, " txabort:%d", info->icount.txabort); in line_info()
1384 if (info->icount.rxshort) in line_info()
1385 seq_printf(m, " rxshort:%d", info->icount.rxshort); in line_info()
1386 if (info->icount.rxlong) in line_info()
1387 seq_printf(m, " rxlong:%d", info->icount.rxlong); in line_info()
1388 if (info->icount.rxover) in line_info()
1389 seq_printf(m, " rxover:%d", info->icount.rxover); in line_info()
1390 if (info->icount.rxcrc) in line_info()
1391 seq_printf(m, " rxlong:%d", info->icount.rxcrc); in line_info()
1394 info->icount.tx, info->icount.rx); in line_info()
1395 if (info->icount.frame) in line_info()
1396 seq_printf(m, " fe:%d", info->icount.frame); in line_info()
1397 if (info->icount.parity) in line_info()
1398 seq_printf(m, " pe:%d", info->icount.parity); in line_info()
1399 if (info->icount.brk) in line_info()
1400 seq_printf(m, " brk:%d", info->icount.brk); in line_info()
1401 if (info->icount.overrun) in line_info()
1402 seq_printf(m, " oe:%d", info->icount.overrun); in line_info()
1409 info->tx_active,info->bh_requested,info->bh_running, in line_info()
1410 info->pending_bh); in line_info()
1417 SLMP_INFO *info; in synclinkmp_proc_show() local
1421 info = synclinkmp_device_list; in synclinkmp_proc_show()
1422 while( info ) { in synclinkmp_proc_show()
1423 line_info(m, info); in synclinkmp_proc_show()
1424 info = info->next_device; in synclinkmp_proc_show()
1446 SLMP_INFO *info = tty->driver_data; in chars_in_buffer() local
1448 if (sanity_check(info, tty->name, "chars_in_buffer")) in chars_in_buffer()
1453 __FILE__, __LINE__, info->device_name, info->tx_count); in chars_in_buffer()
1455 return info->tx_count; in chars_in_buffer()
1462 SLMP_INFO *info = tty->driver_data; in throttle() local
1467 __FILE__,__LINE__, info->device_name ); in throttle()
1469 if (sanity_check(info, tty->name, "throttle")) in throttle()
1476 spin_lock_irqsave(&info->lock,flags); in throttle()
1477 info->serial_signals &= ~SerialSignal_RTS; in throttle()
1478 set_signals(info); in throttle()
1479 spin_unlock_irqrestore(&info->lock,flags); in throttle()
1487 SLMP_INFO *info = tty->driver_data; in unthrottle() local
1492 __FILE__,__LINE__, info->device_name ); in unthrottle()
1494 if (sanity_check(info, tty->name, "unthrottle")) in unthrottle()
1498 if (info->x_char) in unthrottle()
1499 info->x_char = 0; in unthrottle()
1505 spin_lock_irqsave(&info->lock,flags); in unthrottle()
1506 info->serial_signals |= SerialSignal_RTS; in unthrottle()
1507 set_signals(info); in unthrottle()
1508 spin_unlock_irqrestore(&info->lock,flags); in unthrottle()
1518 SLMP_INFO * info = tty->driver_data; in set_break() local
1523 __FILE__,__LINE__, info->device_name, break_state); in set_break()
1525 if (sanity_check(info, tty->name, "set_break")) in set_break()
1528 spin_lock_irqsave(&info->lock,flags); in set_break()
1529 RegValue = read_reg(info, CTL); in set_break()
1534 write_reg(info, CTL, RegValue); in set_break()
1535 spin_unlock_irqrestore(&info->lock,flags); in set_break()
1554 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_attach() local
1559 if (info->port.count) in hdlcdev_attach()
1580 info->params.encoding = new_encoding; in hdlcdev_attach()
1581 info->params.crc_type = new_crctype; in hdlcdev_attach()
1584 if (info->netcount) in hdlcdev_attach()
1585 program_hw(info); in hdlcdev_attach()
1599 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_xmit() local
1609 info->tx_count = skb->len; in hdlcdev_xmit()
1610 tx_load_dma_buffer(info, skb->data, skb->len); in hdlcdev_xmit()
1623 spin_lock_irqsave(&info->lock,flags); in hdlcdev_xmit()
1624 if (!info->tx_active) in hdlcdev_xmit()
1625 tx_start(info); in hdlcdev_xmit()
1626 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_xmit()
1641 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_open() local
1654 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1655 if (info->port.count != 0 || info->netcount != 0) { in hdlcdev_open()
1657 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1660 info->netcount=1; in hdlcdev_open()
1661 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1664 if ((rc = startup(info)) != 0) { in hdlcdev_open()
1665 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1666 info->netcount=0; in hdlcdev_open()
1667 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1672 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in hdlcdev_open()
1673 program_hw(info); in hdlcdev_open()
1680 spin_lock_irqsave(&info->lock, flags); in hdlcdev_open()
1681 get_signals(info); in hdlcdev_open()
1682 spin_unlock_irqrestore(&info->lock, flags); in hdlcdev_open()
1683 if (info->serial_signals & SerialSignal_DCD) in hdlcdev_open()
1700 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_close() local
1709 shutdown(info); in hdlcdev_close()
1713 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_close()
1714 info->netcount=0; in hdlcdev_close()
1715 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_close()
1734 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_ioctl() local
1741 if (info->port.count) in hdlcdev_ioctl()
1756 flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1770 new_line.clock_rate = info->params.clock_speed; in hdlcdev_ioctl()
1771 new_line.loopback = info->params.loopback ? 1:0; in hdlcdev_ioctl()
1790 case CLOCK_DEFAULT: flags = info->params.flags & in hdlcdev_ioctl()
1801 info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1805 info->params.flags |= flags; in hdlcdev_ioctl()
1807 info->params.loopback = new_line.loopback; in hdlcdev_ioctl()
1810 info->params.clock_speed = new_line.clock_rate; in hdlcdev_ioctl()
1812 info->params.clock_speed = 0; in hdlcdev_ioctl()
1815 if (info->netcount) in hdlcdev_ioctl()
1816 program_hw(info); in hdlcdev_ioctl()
1831 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_tx_timeout() local
1840 spin_lock_irqsave(&info->lock,flags); in hdlcdev_tx_timeout()
1841 tx_stop(info); in hdlcdev_tx_timeout()
1842 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_tx_timeout()
1853 static void hdlcdev_tx_done(SLMP_INFO *info) in hdlcdev_tx_done() argument
1855 if (netif_queue_stopped(info->netdev)) in hdlcdev_tx_done()
1856 netif_wake_queue(info->netdev); in hdlcdev_tx_done()
1867 static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size) in hdlcdev_rx() argument
1870 struct net_device *dev = info->netdev; in hdlcdev_rx()
1909 static int hdlcdev_init(SLMP_INFO *info) in hdlcdev_init() argument
1917 dev = alloc_hdlcdev(info); in hdlcdev_init()
1924 dev->mem_start = info->phys_sca_base; in hdlcdev_init()
1925 dev->mem_end = info->phys_sca_base + SCA_BASE_SIZE - 1; in hdlcdev_init()
1926 dev->irq = info->irq_level; in hdlcdev_init()
1946 info->netdev = dev; in hdlcdev_init()
1956 static void hdlcdev_exit(SLMP_INFO *info) in hdlcdev_exit() argument
1958 unregister_hdlc_device(info->netdev); in hdlcdev_exit()
1959 free_netdev(info->netdev); in hdlcdev_exit()
1960 info->netdev = NULL; in hdlcdev_exit()
1969 static int bh_action(SLMP_INFO *info) in bh_action() argument
1974 spin_lock_irqsave(&info->lock,flags); in bh_action()
1976 if (info->pending_bh & BH_RECEIVE) { in bh_action()
1977 info->pending_bh &= ~BH_RECEIVE; in bh_action()
1979 } else if (info->pending_bh & BH_TRANSMIT) { in bh_action()
1980 info->pending_bh &= ~BH_TRANSMIT; in bh_action()
1982 } else if (info->pending_bh & BH_STATUS) { in bh_action()
1983 info->pending_bh &= ~BH_STATUS; in bh_action()
1989 info->bh_running = false; in bh_action()
1990 info->bh_requested = false; in bh_action()
1993 spin_unlock_irqrestore(&info->lock,flags); in bh_action()
2002 SLMP_INFO *info = container_of(work, SLMP_INFO, task); in bh_handler() local
2007 __FILE__,__LINE__,info->device_name); in bh_handler()
2009 info->bh_running = true; in bh_handler()
2011 while((action = bh_action(info)) != 0) { in bh_handler()
2016 __FILE__,__LINE__,info->device_name, action); in bh_handler()
2021 bh_receive(info); in bh_handler()
2024 bh_transmit(info); in bh_handler()
2027 bh_status(info); in bh_handler()
2032 __FILE__,__LINE__,info->device_name,action); in bh_handler()
2039 __FILE__,__LINE__,info->device_name); in bh_handler()
2042 static void bh_receive(SLMP_INFO *info) in bh_receive() argument
2046 __FILE__,__LINE__,info->device_name); in bh_receive()
2048 while( rx_get_frame(info) ); in bh_receive()
2051 static void bh_transmit(SLMP_INFO *info) in bh_transmit() argument
2053 struct tty_struct *tty = info->port.tty; in bh_transmit()
2057 __FILE__,__LINE__,info->device_name); in bh_transmit()
2063 static void bh_status(SLMP_INFO *info) in bh_status() argument
2067 __FILE__,__LINE__,info->device_name); in bh_status()
2069 info->ri_chkcount = 0; in bh_status()
2070 info->dsr_chkcount = 0; in bh_status()
2071 info->dcd_chkcount = 0; in bh_status()
2072 info->cts_chkcount = 0; in bh_status()
2075 static void isr_timer(SLMP_INFO * info) in isr_timer() argument
2077 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in isr_timer()
2080 write_reg(info, IER2, 0); in isr_timer()
2092 write_reg(info, (unsigned char)(timer + TMCS), 0); in isr_timer()
2094 info->irq_occurred = true; in isr_timer()
2098 __FILE__,__LINE__,info->device_name); in isr_timer()
2101 static void isr_rxint(SLMP_INFO * info) in isr_rxint() argument
2103 struct tty_struct *tty = info->port.tty; in isr_rxint()
2104 struct mgsl_icount *icount = &info->icount; in isr_rxint()
2105 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); in isr_rxint()
2106 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; in isr_rxint()
2110 write_reg(info, SR1, status); in isr_rxint()
2113 write_reg(info, SR2, status2); in isr_rxint()
2117 __FILE__,__LINE__,info->device_name,status,status2); in isr_rxint()
2119 if (info->params.mode == MGSL_MODE_ASYNC) { in isr_rxint()
2126 if (!(status & info->ignore_status_mask1)) { in isr_rxint()
2127 if (info->read_status_mask1 & BRKD) { in isr_rxint()
2128 tty_insert_flip_char(&info->port, 0, TTY_BREAK); in isr_rxint()
2129 if (tty && (info->port.flags & ASYNC_SAK)) in isr_rxint()
2138 info->icount.exithunt++; in isr_rxint()
2140 info->icount.rxidle++; in isr_rxint()
2141 wake_up_interruptible(&info->event_wait_q); in isr_rxint()
2149 get_signals( info ); in isr_rxint()
2150 isr_io_pin(info, in isr_rxint()
2151 MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD)); in isr_rxint()
2158 static void isr_rxrdy(SLMP_INFO * info) in isr_rxrdy() argument
2162 struct mgsl_icount *icount = &info->icount; in isr_rxrdy()
2166 __FILE__,__LINE__,info->device_name); in isr_rxrdy()
2168 while((status = read_reg(info,CST0)) & BIT0) in isr_rxrdy()
2172 DataByte = read_reg(info,TRB); in isr_rxrdy()
2178 __FILE__,__LINE__,info->device_name,status); in isr_rxrdy()
2189 if (status & info->ignore_status_mask2) in isr_rxrdy()
2192 status &= info->read_status_mask2; in isr_rxrdy()
2207 tty_insert_flip_char(&info->port, DataByte, flag); in isr_rxrdy()
2209 tty_insert_flip_char(&info->port, 0, TTY_OVERRUN); in isr_rxrdy()
2214 __FILE__,__LINE__,info->device_name, in isr_rxrdy()
2219 tty_flip_buffer_push(&info->port); in isr_rxrdy()
2222 static void isr_txeom(SLMP_INFO * info, unsigned char status) in isr_txeom() argument
2226 __FILE__,__LINE__,info->device_name,status); in isr_txeom()
2228 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txeom()
2229 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txeom()
2230 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txeom()
2233 write_reg(info, CMD, TXRESET); in isr_txeom()
2234 write_reg(info, CMD, TXENABLE); in isr_txeom()
2236 write_reg(info, CMD, TXBUFCLR); in isr_txeom()
2239 info->ie0_value &= ~TXRDYE; in isr_txeom()
2240 info->ie1_value &= ~(IDLE + UDRN); in isr_txeom()
2241 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txeom()
2242 write_reg(info, SR1, (unsigned char)(UDRN + IDLE)); in isr_txeom()
2244 if ( info->tx_active ) { in isr_txeom()
2245 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txeom()
2247 info->icount.txunder++; in isr_txeom()
2249 info->icount.txok++; in isr_txeom()
2252 info->tx_active = false; in isr_txeom()
2253 info->tx_count = info->tx_put = info->tx_get = 0; in isr_txeom()
2255 del_timer(&info->tx_timer); in isr_txeom()
2257 if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done ) { in isr_txeom()
2258 info->serial_signals &= ~SerialSignal_RTS; in isr_txeom()
2259 info->drop_rts_on_tx_done = false; in isr_txeom()
2260 set_signals(info); in isr_txeom()
2264 if (info->netcount) in isr_txeom()
2265 hdlcdev_tx_done(info); in isr_txeom()
2269 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txeom()
2270 tx_stop(info); in isr_txeom()
2273 info->pending_bh |= BH_TRANSMIT; in isr_txeom()
2282 static void isr_txint(SLMP_INFO * info) in isr_txint() argument
2284 unsigned char status = read_reg(info, SR1) & info->ie1_value & (UDRN + IDLE + CCTS); in isr_txint()
2287 write_reg(info, SR1, status); in isr_txint()
2291 __FILE__,__LINE__,info->device_name,status); in isr_txint()
2294 isr_txeom(info, status); in isr_txint()
2300 get_signals( info ); in isr_txint()
2301 isr_io_pin(info, in isr_txint()
2302 MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS)); in isr_txint()
2310 static void isr_txrdy(SLMP_INFO * info) in isr_txrdy() argument
2314 __FILE__,__LINE__,info->device_name,info->tx_count); in isr_txrdy()
2316 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txrdy()
2318 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2319 info->ie1_value |= IDLE; in isr_txrdy()
2320 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txrdy()
2324 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txrdy()
2325 tx_stop(info); in isr_txrdy()
2329 if ( info->tx_count ) in isr_txrdy()
2330 tx_load_fifo( info ); in isr_txrdy()
2332 info->tx_active = false; in isr_txrdy()
2333 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2334 write_reg(info, IE0, info->ie0_value); in isr_txrdy()
2337 if (info->tx_count < WAKEUP_CHARS) in isr_txrdy()
2338 info->pending_bh |= BH_TRANSMIT; in isr_txrdy()
2341 static void isr_rxdmaok(SLMP_INFO * info) in isr_rxdmaok() argument
2346 unsigned char status = read_reg(info,RXDMA + DSR) & 0xc0; in isr_rxdmaok()
2349 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaok()
2353 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaok()
2355 info->pending_bh |= BH_RECEIVE; in isr_rxdmaok()
2358 static void isr_rxdmaerror(SLMP_INFO * info) in isr_rxdmaerror() argument
2363 unsigned char status = read_reg(info,RXDMA + DSR) & 0x30; in isr_rxdmaerror()
2366 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaerror()
2370 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaerror()
2372 info->rx_overflow = true; in isr_rxdmaerror()
2373 info->pending_bh |= BH_RECEIVE; in isr_rxdmaerror()
2376 static void isr_txdmaok(SLMP_INFO * info) in isr_txdmaok() argument
2378 unsigned char status_reg1 = read_reg(info, SR1); in isr_txdmaok()
2380 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txdmaok()
2381 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txdmaok()
2382 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txdmaok()
2386 __FILE__,__LINE__,info->device_name,status_reg1); in isr_txdmaok()
2389 write_reg16(info, TRC0, 0); in isr_txdmaok()
2390 info->ie0_value |= TXRDYE; in isr_txdmaok()
2391 write_reg(info, IE0, info->ie0_value); in isr_txdmaok()
2394 static void isr_txdmaerror(SLMP_INFO * info) in isr_txdmaerror() argument
2399 unsigned char status = read_reg(info,TXDMA + DSR) & 0x30; in isr_txdmaerror()
2402 write_reg(info, TXDMA + DSR, (unsigned char)(status | 1)); in isr_txdmaerror()
2406 __FILE__,__LINE__,info->device_name,status); in isr_txdmaerror()
2411 static void isr_io_pin( SLMP_INFO *info, u16 status ) in isr_io_pin() argument
2421 icount = &info->icount; in isr_io_pin()
2426 info->input_signal_events.ri_up++; in isr_io_pin()
2428 info->input_signal_events.ri_down++; in isr_io_pin()
2433 info->input_signal_events.dsr_up++; in isr_io_pin()
2435 info->input_signal_events.dsr_down++; in isr_io_pin()
2438 if ((info->dcd_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2439 info->ie1_value &= ~CDCD; in isr_io_pin()
2440 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2444 info->input_signal_events.dcd_up++; in isr_io_pin()
2446 info->input_signal_events.dcd_down++; in isr_io_pin()
2448 if (info->netcount) { in isr_io_pin()
2450 netif_carrier_on(info->netdev); in isr_io_pin()
2452 netif_carrier_off(info->netdev); in isr_io_pin()
2458 if ((info->cts_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2459 info->ie1_value &= ~CCTS; in isr_io_pin()
2460 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2464 info->input_signal_events.cts_up++; in isr_io_pin()
2466 info->input_signal_events.cts_down++; in isr_io_pin()
2468 wake_up_interruptible(&info->status_event_wait_q); in isr_io_pin()
2469 wake_up_interruptible(&info->event_wait_q); in isr_io_pin()
2471 if ( (info->port.flags & ASYNC_CHECK_CD) && in isr_io_pin()
2474 printk("%s CD now %s...", info->device_name, in isr_io_pin()
2477 wake_up_interruptible(&info->port.open_wait); in isr_io_pin()
2481 if (info->port.tty) in isr_io_pin()
2482 tty_hangup(info->port.tty); in isr_io_pin()
2486 if (tty_port_cts_enabled(&info->port) && in isr_io_pin()
2488 if ( info->port.tty ) { in isr_io_pin()
2489 if (info->port.tty->hw_stopped) { in isr_io_pin()
2493 info->port.tty->hw_stopped = 0; in isr_io_pin()
2494 tx_start(info); in isr_io_pin()
2495 info->pending_bh |= BH_TRANSMIT; in isr_io_pin()
2502 info->port.tty->hw_stopped = 1; in isr_io_pin()
2503 tx_stop(info); in isr_io_pin()
2510 info->pending_bh |= BH_STATUS; in isr_io_pin()
2522 SLMP_INFO *info = dev_id; in synclinkmp_interrupt() local
2532 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2534 spin_lock(&info->lock); in synclinkmp_interrupt()
2539 tmp = read_reg16(info, ISR0); /* get ISR0 and ISR1 in one read */ in synclinkmp_interrupt()
2542 timerstatus0 = read_reg(info, ISR2); in synclinkmp_interrupt()
2546 __FILE__, __LINE__, info->device_name, in synclinkmp_interrupt()
2549 if (info->port_count == 4) { in synclinkmp_interrupt()
2551 tmp = read_reg16(info->port_array[2], ISR0); in synclinkmp_interrupt()
2554 timerstatus1 = read_reg(info->port_array[2], ISR2); in synclinkmp_interrupt()
2558 __FILE__,__LINE__,info->device_name, in synclinkmp_interrupt()
2566 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2567 if (info->port_array[i] == NULL) in synclinkmp_interrupt()
2580 isr_rxrdy(info->port_array[i]); in synclinkmp_interrupt()
2582 isr_txrdy(info->port_array[i]); in synclinkmp_interrupt()
2584 isr_rxint(info->port_array[i]); in synclinkmp_interrupt()
2586 isr_txint(info->port_array[i]); in synclinkmp_interrupt()
2589 isr_rxdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2591 isr_rxdmaok(info->port_array[i]); in synclinkmp_interrupt()
2593 isr_txdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2595 isr_txdmaok(info->port_array[i]); in synclinkmp_interrupt()
2599 isr_timer(info->port_array[0]); in synclinkmp_interrupt()
2601 isr_timer(info->port_array[1]); in synclinkmp_interrupt()
2603 isr_timer(info->port_array[2]); in synclinkmp_interrupt()
2605 isr_timer(info->port_array[3]); in synclinkmp_interrupt()
2608 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2609 SLMP_INFO * port = info->port_array[i]; in synclinkmp_interrupt()
2629 spin_unlock(&info->lock); in synclinkmp_interrupt()
2633 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2639 static int startup(SLMP_INFO * info) in startup() argument
2642 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); in startup()
2644 if (info->port.flags & ASYNC_INITIALIZED) in startup()
2647 if (!info->tx_buf) { in startup()
2648 info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in startup()
2649 if (!info->tx_buf) { in startup()
2651 __FILE__,__LINE__,info->device_name); in startup()
2656 info->pending_bh = 0; in startup()
2658 memset(&info->icount, 0, sizeof(info->icount)); in startup()
2661 reset_port(info); in startup()
2663 change_params(info); in startup()
2665 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in startup()
2667 if (info->port.tty) in startup()
2668 clear_bit(TTY_IO_ERROR, &info->port.tty->flags); in startup()
2670 info->port.flags |= ASYNC_INITIALIZED; in startup()
2677 static void shutdown(SLMP_INFO * info) in shutdown() argument
2681 if (!(info->port.flags & ASYNC_INITIALIZED)) in shutdown()
2686 __FILE__,__LINE__, info->device_name ); in shutdown()
2690 wake_up_interruptible(&info->status_event_wait_q); in shutdown()
2691 wake_up_interruptible(&info->event_wait_q); in shutdown()
2693 del_timer(&info->tx_timer); in shutdown()
2694 del_timer(&info->status_timer); in shutdown()
2696 kfree(info->tx_buf); in shutdown()
2697 info->tx_buf = NULL; in shutdown()
2699 spin_lock_irqsave(&info->lock,flags); in shutdown()
2701 reset_port(info); in shutdown()
2703 if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) { in shutdown()
2704 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in shutdown()
2705 set_signals(info); in shutdown()
2708 spin_unlock_irqrestore(&info->lock,flags); in shutdown()
2710 if (info->port.tty) in shutdown()
2711 set_bit(TTY_IO_ERROR, &info->port.tty->flags); in shutdown()
2713 info->port.flags &= ~ASYNC_INITIALIZED; in shutdown()
2716 static void program_hw(SLMP_INFO *info) in program_hw() argument
2720 spin_lock_irqsave(&info->lock,flags); in program_hw()
2722 rx_stop(info); in program_hw()
2723 tx_stop(info); in program_hw()
2725 info->tx_count = info->tx_put = info->tx_get = 0; in program_hw()
2727 if (info->params.mode == MGSL_MODE_HDLC || info->netcount) in program_hw()
2728 hdlc_mode(info); in program_hw()
2730 async_mode(info); in program_hw()
2732 set_signals(info); in program_hw()
2734 info->dcd_chkcount = 0; in program_hw()
2735 info->cts_chkcount = 0; in program_hw()
2736 info->ri_chkcount = 0; in program_hw()
2737 info->dsr_chkcount = 0; in program_hw()
2739 info->ie1_value |= (CDCD|CCTS); in program_hw()
2740 write_reg(info, IE1, info->ie1_value); in program_hw()
2742 get_signals(info); in program_hw()
2744 if (info->netcount || (info->port.tty && info->port.tty->termios.c_cflag & CREAD) ) in program_hw()
2745 rx_start(info); in program_hw()
2747 spin_unlock_irqrestore(&info->lock,flags); in program_hw()
2752 static void change_params(SLMP_INFO *info) in change_params() argument
2757 if (!info->port.tty) in change_params()
2762 __FILE__,__LINE__, info->device_name ); in change_params()
2764 cflag = info->port.tty->termios.c_cflag; in change_params()
2769 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in change_params()
2771 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in change_params()
2776 case CS5: info->params.data_bits = 5; break; in change_params()
2777 case CS6: info->params.data_bits = 6; break; in change_params()
2778 case CS7: info->params.data_bits = 7; break; in change_params()
2779 case CS8: info->params.data_bits = 8; break; in change_params()
2781 default: info->params.data_bits = 7; break; in change_params()
2785 info->params.stop_bits = 2; in change_params()
2787 info->params.stop_bits = 1; in change_params()
2789 info->params.parity = ASYNC_PARITY_NONE; in change_params()
2792 info->params.parity = ASYNC_PARITY_ODD; in change_params()
2794 info->params.parity = ASYNC_PARITY_EVEN; in change_params()
2797 info->params.parity = ASYNC_PARITY_SPACE; in change_params()
2804 bits_per_char = info->params.data_bits + in change_params()
2805 info->params.stop_bits + 1; in change_params()
2811 if (info->params.data_rate <= 460800) { in change_params()
2812 info->params.data_rate = tty_get_baud_rate(info->port.tty); in change_params()
2815 if ( info->params.data_rate ) { in change_params()
2816 info->timeout = (32*HZ*bits_per_char) / in change_params()
2817 info->params.data_rate; in change_params()
2819 info->timeout += HZ/50; /* Add .02 seconds of slop */ in change_params()
2822 info->port.flags |= ASYNC_CTS_FLOW; in change_params()
2824 info->port.flags &= ~ASYNC_CTS_FLOW; in change_params()
2827 info->port.flags &= ~ASYNC_CHECK_CD; in change_params()
2829 info->port.flags |= ASYNC_CHECK_CD; in change_params()
2833 info->read_status_mask2 = OVRN; in change_params()
2834 if (I_INPCK(info->port.tty)) in change_params()
2835 info->read_status_mask2 |= PE | FRME; in change_params()
2836 if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) in change_params()
2837 info->read_status_mask1 |= BRKD; in change_params()
2838 if (I_IGNPAR(info->port.tty)) in change_params()
2839 info->ignore_status_mask2 |= PE | FRME; in change_params()
2840 if (I_IGNBRK(info->port.tty)) { in change_params()
2841 info->ignore_status_mask1 |= BRKD; in change_params()
2845 if (I_IGNPAR(info->port.tty)) in change_params()
2846 info->ignore_status_mask2 |= OVRN; in change_params()
2849 program_hw(info); in change_params()
2852 static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount) in get_stats() argument
2858 __FILE__,__LINE__, info->device_name); in get_stats()
2861 memset(&info->icount, 0, sizeof(info->icount)); in get_stats()
2863 mutex_lock(&info->port.mutex); in get_stats()
2864 COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); in get_stats()
2865 mutex_unlock(&info->port.mutex); in get_stats()
2873 static int get_params(SLMP_INFO * info, MGSL_PARAMS __user *user_params) in get_params() argument
2878 __FILE__,__LINE__, info->device_name); in get_params()
2880 mutex_lock(&info->port.mutex); in get_params()
2881 COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); in get_params()
2882 mutex_unlock(&info->port.mutex); in get_params()
2886 __FILE__,__LINE__,info->device_name); in get_params()
2893 static int set_params(SLMP_INFO * info, MGSL_PARAMS __user *new_params) in set_params() argument
2901 __FILE__,__LINE__,info->device_name ); in set_params()
2906 __FILE__,__LINE__,info->device_name); in set_params()
2910 mutex_lock(&info->port.mutex); in set_params()
2911 spin_lock_irqsave(&info->lock,flags); in set_params()
2912 memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); in set_params()
2913 spin_unlock_irqrestore(&info->lock,flags); in set_params()
2915 change_params(info); in set_params()
2916 mutex_unlock(&info->port.mutex); in set_params()
2921 static int get_txidle(SLMP_INFO * info, int __user *idle_mode) in get_txidle() argument
2927 __FILE__,__LINE__, info->device_name, info->idle_mode); in get_txidle()
2929 COPY_TO_USER(err,idle_mode, &info->idle_mode, sizeof(int)); in get_txidle()
2933 __FILE__,__LINE__,info->device_name); in get_txidle()
2940 static int set_txidle(SLMP_INFO * info, int idle_mode) in set_txidle() argument
2946 __FILE__,__LINE__,info->device_name, idle_mode ); in set_txidle()
2948 spin_lock_irqsave(&info->lock,flags); in set_txidle()
2949 info->idle_mode = idle_mode; in set_txidle()
2950 tx_set_idle( info ); in set_txidle()
2951 spin_unlock_irqrestore(&info->lock,flags); in set_txidle()
2955 static int tx_enable(SLMP_INFO * info, int enable) in tx_enable() argument
2961 __FILE__,__LINE__,info->device_name, enable); in tx_enable()
2963 spin_lock_irqsave(&info->lock,flags); in tx_enable()
2965 if ( !info->tx_enabled ) { in tx_enable()
2966 tx_start(info); in tx_enable()
2969 if ( info->tx_enabled ) in tx_enable()
2970 tx_stop(info); in tx_enable()
2972 spin_unlock_irqrestore(&info->lock,flags); in tx_enable()
2978 static int tx_abort(SLMP_INFO * info) in tx_abort() argument
2984 __FILE__,__LINE__,info->device_name); in tx_abort()
2986 spin_lock_irqsave(&info->lock,flags); in tx_abort()
2987 if ( info->tx_active && info->params.mode == MGSL_MODE_HDLC ) { in tx_abort()
2988 info->ie1_value &= ~UDRN; in tx_abort()
2989 info->ie1_value |= IDLE; in tx_abort()
2990 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_abort()
2991 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_abort()
2993 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_abort()
2994 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_abort()
2996 write_reg(info, CMD, TXABORT); in tx_abort()
2998 spin_unlock_irqrestore(&info->lock,flags); in tx_abort()
3002 static int rx_enable(SLMP_INFO * info, int enable) in rx_enable() argument
3008 __FILE__,__LINE__,info->device_name,enable); in rx_enable()
3010 spin_lock_irqsave(&info->lock,flags); in rx_enable()
3012 if ( !info->rx_enabled ) in rx_enable()
3013 rx_start(info); in rx_enable()
3015 if ( info->rx_enabled ) in rx_enable()
3016 rx_stop(info); in rx_enable()
3018 spin_unlock_irqrestore(&info->lock,flags); in rx_enable()
3024 static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr) in wait_mgsl_event() argument
3042 __FILE__,__LINE__,info->device_name,mask); in wait_mgsl_event()
3044 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3047 get_signals(info); in wait_mgsl_event()
3048 s = info->serial_signals; in wait_mgsl_event()
3056 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3061 cprev = info->icount; in wait_mgsl_event()
3062 oldsigs = info->input_signal_events; in wait_mgsl_event()
3066 unsigned char oldval = info->ie1_value; in wait_mgsl_event()
3071 info->ie1_value = newval; in wait_mgsl_event()
3072 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3077 add_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3079 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3089 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3090 cnow = info->icount; in wait_mgsl_event()
3091 newsigs = info->input_signal_events; in wait_mgsl_event()
3093 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3128 remove_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3133 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3134 if (!waitqueue_active(&info->event_wait_q)) { in wait_mgsl_event()
3136 info->ie1_value &= ~(FLGD|IDLD); in wait_mgsl_event()
3137 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3139 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3148 static int modem_input_wait(SLMP_INFO *info,int arg) in modem_input_wait() argument
3156 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3157 cprev = info->icount; in modem_input_wait()
3158 add_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3160 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3170 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3171 cnow = info->icount; in modem_input_wait()
3173 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3193 remove_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3202 SLMP_INFO *info = tty->driver_data; in tiocmget() local
3206 spin_lock_irqsave(&info->lock,flags); in tiocmget()
3207 get_signals(info); in tiocmget()
3208 spin_unlock_irqrestore(&info->lock,flags); in tiocmget()
3210 result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS : 0) | in tiocmget()
3211 ((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR : 0) | in tiocmget()
3212 ((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR : 0) | in tiocmget()
3213 ((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG : 0) | in tiocmget()
3214 ((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR : 0) | in tiocmget()
3215 ((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS : 0); in tiocmget()
3219 __FILE__,__LINE__, info->device_name, result ); in tiocmget()
3228 SLMP_INFO *info = tty->driver_data; in tiocmset() local
3233 __FILE__,__LINE__,info->device_name, set, clear); in tiocmset()
3236 info->serial_signals |= SerialSignal_RTS; in tiocmset()
3238 info->serial_signals |= SerialSignal_DTR; in tiocmset()
3240 info->serial_signals &= ~SerialSignal_RTS; in tiocmset()
3242 info->serial_signals &= ~SerialSignal_DTR; in tiocmset()
3244 spin_lock_irqsave(&info->lock,flags); in tiocmset()
3245 set_signals(info); in tiocmset()
3246 spin_unlock_irqrestore(&info->lock,flags); in tiocmset()
3253 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in carrier_raised() local
3256 spin_lock_irqsave(&info->lock,flags); in carrier_raised()
3257 get_signals(info); in carrier_raised()
3258 spin_unlock_irqrestore(&info->lock,flags); in carrier_raised()
3260 return (info->serial_signals & SerialSignal_DCD) ? 1 : 0; in carrier_raised()
3265 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in dtr_rts() local
3268 spin_lock_irqsave(&info->lock,flags); in dtr_rts()
3270 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in dtr_rts()
3272 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in dtr_rts()
3273 set_signals(info); in dtr_rts()
3274 spin_unlock_irqrestore(&info->lock,flags); in dtr_rts()
3280 SLMP_INFO *info) in block_til_ready() argument
3287 struct tty_port *port = &info->port; in block_til_ready()
3317 spin_lock_irqsave(&info->lock, flags); in block_til_ready()
3319 spin_unlock_irqrestore(&info->lock, flags); in block_til_ready()
3368 static int alloc_dma_bufs(SLMP_INFO *info) in alloc_dma_bufs() argument
3378 info->port_array[0]->last_mem_alloc = (SCA_MEM_SIZE/4) * info->port_num; in alloc_dma_bufs()
3385 BuffersPerFrame = (unsigned short)(info->max_frame_size/SCABUFSIZE); in alloc_dma_bufs()
3386 if ( info->max_frame_size % SCABUFSIZE ) in alloc_dma_bufs()
3400 info->tx_buf_count = BuffersPerFrame + 1; in alloc_dma_bufs()
3403 if (info->tx_buf_count > (BufferCount/2)) in alloc_dma_bufs()
3404 info->tx_buf_count = BufferCount/2; in alloc_dma_bufs()
3406 if (info->tx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3407 info->tx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3410 info->rx_buf_count = BufferCount - info->tx_buf_count; in alloc_dma_bufs()
3412 if (info->rx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3413 info->rx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3417 __FILE__,__LINE__, info->device_name, in alloc_dma_bufs()
3418 info->tx_buf_count,info->rx_buf_count); in alloc_dma_bufs()
3420 if ( alloc_buf_list( info ) < 0 || in alloc_dma_bufs()
3421 alloc_frame_bufs(info, in alloc_dma_bufs()
3422 info->rx_buf_list, in alloc_dma_bufs()
3423 info->rx_buf_list_ex, in alloc_dma_bufs()
3424 info->rx_buf_count) < 0 || in alloc_dma_bufs()
3425 alloc_frame_bufs(info, in alloc_dma_bufs()
3426 info->tx_buf_list, in alloc_dma_bufs()
3427 info->tx_buf_list_ex, in alloc_dma_bufs()
3428 info->tx_buf_count) < 0 || in alloc_dma_bufs()
3429 alloc_tmp_rx_buf(info) < 0 ) { in alloc_dma_bufs()
3431 __FILE__,__LINE__, info->device_name); in alloc_dma_bufs()
3435 rx_reset_buffers( info ); in alloc_dma_bufs()
3442 static int alloc_buf_list(SLMP_INFO *info) in alloc_buf_list() argument
3447 info->buffer_list = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3448 info->buffer_list_phys = info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3449 info->port_array[0]->last_mem_alloc += BUFFERLISTSIZE; in alloc_buf_list()
3451 memset(info->buffer_list, 0, BUFFERLISTSIZE); in alloc_buf_list()
3456 info->rx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3458 info->tx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3459 info->tx_buf_list += info->rx_buf_count; in alloc_buf_list()
3467 for ( i = 0; i < info->rx_buf_count; i++ ) { in alloc_buf_list()
3469 info->rx_buf_list_ex[i].phys_entry = in alloc_buf_list()
3470 info->buffer_list_phys + (i * SCABUFSIZE); in alloc_buf_list()
3474 info->rx_buf_list[i].next = info->buffer_list_phys; in alloc_buf_list()
3475 if ( i < info->rx_buf_count - 1 ) in alloc_buf_list()
3476 info->rx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3478 info->rx_buf_list[i].length = SCABUFSIZE; in alloc_buf_list()
3481 for ( i = 0; i < info->tx_buf_count; i++ ) { in alloc_buf_list()
3483 info->tx_buf_list_ex[i].phys_entry = info->buffer_list_phys + in alloc_buf_list()
3484 ((info->rx_buf_count + i) * sizeof(SCADESC)); in alloc_buf_list()
3489 info->tx_buf_list[i].next = info->buffer_list_phys + in alloc_buf_list()
3490 info->rx_buf_count * sizeof(SCADESC); in alloc_buf_list()
3492 if ( i < info->tx_buf_count - 1 ) in alloc_buf_list()
3493 info->tx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3501 static int alloc_frame_bufs(SLMP_INFO *info, SCADESC *buf_list,SCADESC_EX *buf_list_ex,int count) in alloc_frame_bufs() argument
3507 buf_list_ex[i].virt_addr = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3508 phys_addr = info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3509 info->port_array[0]->last_mem_alloc += SCABUFSIZE; in alloc_frame_bufs()
3518 static void free_dma_bufs(SLMP_INFO *info) in free_dma_bufs() argument
3520 info->buffer_list = NULL; in free_dma_bufs()
3521 info->rx_buf_list = NULL; in free_dma_bufs()
3522 info->tx_buf_list = NULL; in free_dma_bufs()
3528 static int alloc_tmp_rx_buf(SLMP_INFO *info) in alloc_tmp_rx_buf() argument
3530 info->tmp_rx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3531 if (info->tmp_rx_buf == NULL) in alloc_tmp_rx_buf()
3534 info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3535 if (!info->flag_buf) { in alloc_tmp_rx_buf()
3536 kfree(info->tmp_rx_buf); in alloc_tmp_rx_buf()
3537 info->tmp_rx_buf = NULL; in alloc_tmp_rx_buf()
3543 static void free_tmp_rx_buf(SLMP_INFO *info) in free_tmp_rx_buf() argument
3545 kfree(info->tmp_rx_buf); in free_tmp_rx_buf()
3546 info->tmp_rx_buf = NULL; in free_tmp_rx_buf()
3547 kfree(info->flag_buf); in free_tmp_rx_buf()
3548 info->flag_buf = NULL; in free_tmp_rx_buf()
3551 static int claim_resources(SLMP_INFO *info) in claim_resources() argument
3553 if (request_mem_region(info->phys_memory_base,SCA_MEM_SIZE,"synclinkmp") == NULL) { in claim_resources()
3555 __FILE__,__LINE__,info->device_name, info->phys_memory_base); in claim_resources()
3556 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3560 info->shared_mem_requested = true; in claim_resources()
3562 if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclinkmp") == NULL) { in claim_resources()
3564 __FILE__,__LINE__,info->device_name, info->phys_lcr_base); in claim_resources()
3565 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3569 info->lcr_mem_requested = true; in claim_resources()
3571 …if (request_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE,"synclinkmp") == NULL)… in claim_resources()
3573 __FILE__,__LINE__,info->device_name, info->phys_sca_base); in claim_resources()
3574 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3578 info->sca_base_requested = true; in claim_resources()
3580 …if (request_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE,"synclinkmp")… in claim_resources()
3582 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base); in claim_resources()
3583 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3587 info->sca_statctrl_requested = true; in claim_resources()
3589 info->memory_base = ioremap_nocache(info->phys_memory_base, in claim_resources()
3591 if (!info->memory_base) { in claim_resources()
3593 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3594 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3598 info->lcr_base = ioremap_nocache(info->phys_lcr_base, PAGE_SIZE); in claim_resources()
3599 if (!info->lcr_base) { in claim_resources()
3601 __FILE__,__LINE__,info->device_name, info->phys_lcr_base ); in claim_resources()
3602 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3605 info->lcr_base += info->lcr_offset; in claim_resources()
3607 info->sca_base = ioremap_nocache(info->phys_sca_base, PAGE_SIZE); in claim_resources()
3608 if (!info->sca_base) { in claim_resources()
3610 __FILE__,__LINE__,info->device_name, info->phys_sca_base ); in claim_resources()
3611 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3614 info->sca_base += info->sca_offset; in claim_resources()
3616 info->statctrl_base = ioremap_nocache(info->phys_statctrl_base, in claim_resources()
3618 if (!info->statctrl_base) { in claim_resources()
3620 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base ); in claim_resources()
3621 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3624 info->statctrl_base += info->statctrl_offset; in claim_resources()
3626 if ( !memory_test(info) ) { in claim_resources()
3628 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3629 info->init_error = DiagStatus_MemoryError; in claim_resources()
3636 release_resources( info ); in claim_resources()
3640 static void release_resources(SLMP_INFO *info) in release_resources() argument
3644 __FILE__,__LINE__,info->device_name ); in release_resources()
3646 if ( info->irq_requested ) { in release_resources()
3647 free_irq(info->irq_level, info); in release_resources()
3648 info->irq_requested = false; in release_resources()
3651 if ( info->shared_mem_requested ) { in release_resources()
3652 release_mem_region(info->phys_memory_base,SCA_MEM_SIZE); in release_resources()
3653 info->shared_mem_requested = false; in release_resources()
3655 if ( info->lcr_mem_requested ) { in release_resources()
3656 release_mem_region(info->phys_lcr_base + info->lcr_offset,128); in release_resources()
3657 info->lcr_mem_requested = false; in release_resources()
3659 if ( info->sca_base_requested ) { in release_resources()
3660 release_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE); in release_resources()
3661 info->sca_base_requested = false; in release_resources()
3663 if ( info->sca_statctrl_requested ) { in release_resources()
3664 release_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE); in release_resources()
3665 info->sca_statctrl_requested = false; in release_resources()
3668 if (info->memory_base){ in release_resources()
3669 iounmap(info->memory_base); in release_resources()
3670 info->memory_base = NULL; in release_resources()
3673 if (info->sca_base) { in release_resources()
3674 iounmap(info->sca_base - info->sca_offset); in release_resources()
3675 info->sca_base=NULL; in release_resources()
3678 if (info->statctrl_base) { in release_resources()
3679 iounmap(info->statctrl_base - info->statctrl_offset); in release_resources()
3680 info->statctrl_base=NULL; in release_resources()
3683 if (info->lcr_base){ in release_resources()
3684 iounmap(info->lcr_base - info->lcr_offset); in release_resources()
3685 info->lcr_base = NULL; in release_resources()
3690 __FILE__,__LINE__,info->device_name ); in release_resources()
3696 static void add_device(SLMP_INFO *info) in add_device() argument
3698 info->next_device = NULL; in add_device()
3699 info->line = synclinkmp_device_count; in add_device()
3700 sprintf(info->device_name,"ttySLM%dp%d",info->adapter_num,info->port_num); in add_device()
3702 if (info->line < MAX_DEVICES) { in add_device()
3703 if (maxframe[info->line]) in add_device()
3704 info->max_frame_size = maxframe[info->line]; in add_device()
3710 synclinkmp_device_list = info; in add_device()
3715 current_dev->next_device = info; in add_device()
3718 if ( info->max_frame_size < 4096 ) in add_device()
3719 info->max_frame_size = 4096; in add_device()
3720 else if ( info->max_frame_size > 65535 ) in add_device()
3721 info->max_frame_size = 65535; in add_device()
3725 info->device_name, in add_device()
3726 info->phys_sca_base, in add_device()
3727 info->phys_memory_base, in add_device()
3728 info->phys_statctrl_base, in add_device()
3729 info->phys_lcr_base, in add_device()
3730 info->irq_level, in add_device()
3731 info->max_frame_size ); in add_device()
3734 hdlcdev_init(info); in add_device()
3749 SLMP_INFO *info; in alloc_dev() local
3751 info = kzalloc(sizeof(SLMP_INFO), in alloc_dev()
3754 if (!info) { in alloc_dev()
3758 tty_port_init(&info->port); in alloc_dev()
3759 info->port.ops = &port_ops; in alloc_dev()
3760 info->magic = MGSL_MAGIC; in alloc_dev()
3761 INIT_WORK(&info->task, bh_handler); in alloc_dev()
3762 info->max_frame_size = 4096; in alloc_dev()
3763 info->port.close_delay = 5*HZ/10; in alloc_dev()
3764 info->port.closing_wait = 30*HZ; in alloc_dev()
3765 init_waitqueue_head(&info->status_event_wait_q); in alloc_dev()
3766 init_waitqueue_head(&info->event_wait_q); in alloc_dev()
3767 spin_lock_init(&info->netlock); in alloc_dev()
3768 memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS)); in alloc_dev()
3769 info->idle_mode = HDLC_TXIDLE_FLAGS; in alloc_dev()
3770 info->adapter_num = adapter_num; in alloc_dev()
3771 info->port_num = port_num; in alloc_dev()
3774 info->irq_level = pdev->irq; in alloc_dev()
3775 info->phys_lcr_base = pci_resource_start(pdev,0); in alloc_dev()
3776 info->phys_sca_base = pci_resource_start(pdev,2); in alloc_dev()
3777 info->phys_memory_base = pci_resource_start(pdev,3); in alloc_dev()
3778 info->phys_statctrl_base = pci_resource_start(pdev,4); in alloc_dev()
3784 info->lcr_offset = info->phys_lcr_base & (PAGE_SIZE-1); in alloc_dev()
3785 info->phys_lcr_base &= ~(PAGE_SIZE-1); in alloc_dev()
3787 info->sca_offset = info->phys_sca_base & (PAGE_SIZE-1); in alloc_dev()
3788 info->phys_sca_base &= ~(PAGE_SIZE-1); in alloc_dev()
3790 info->statctrl_offset = info->phys_statctrl_base & (PAGE_SIZE-1); in alloc_dev()
3791 info->phys_statctrl_base &= ~(PAGE_SIZE-1); in alloc_dev()
3793 info->bus_type = MGSL_BUS_TYPE_PCI; in alloc_dev()
3794 info->irq_flags = IRQF_SHARED; in alloc_dev()
3796 setup_timer(&info->tx_timer, tx_timeout, (unsigned long)info); in alloc_dev()
3797 setup_timer(&info->status_timer, status_timeout, in alloc_dev()
3798 (unsigned long)info); in alloc_dev()
3809 info->misc_ctrl_value = 0x087e4546; in alloc_dev()
3817 info->init_error = -1; in alloc_dev()
3820 return info; in alloc_dev()
3910 SLMP_INFO *info; in synclinkmp_cleanup() local
3924 info = synclinkmp_device_list; in synclinkmp_cleanup()
3925 while(info) { in synclinkmp_cleanup()
3926 reset_port(info); in synclinkmp_cleanup()
3927 info = info->next_device; in synclinkmp_cleanup()
3931 info = synclinkmp_device_list; in synclinkmp_cleanup()
3932 while(info) { in synclinkmp_cleanup()
3934 hdlcdev_exit(info); in synclinkmp_cleanup()
3936 free_dma_bufs(info); in synclinkmp_cleanup()
3937 free_tmp_rx_buf(info); in synclinkmp_cleanup()
3938 if ( info->port_num == 0 ) { in synclinkmp_cleanup()
3939 if (info->sca_base) in synclinkmp_cleanup()
3940 write_reg(info, LPR, 1); /* set low power mode */ in synclinkmp_cleanup()
3941 release_resources(info); in synclinkmp_cleanup()
3943 tmp = info; in synclinkmp_cleanup()
3944 info = info->next_device; in synclinkmp_cleanup()
4023 static void enable_loopback(SLMP_INFO *info, int enable) in enable_loopback() argument
4029 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) | (BIT1 + BIT0))); in enable_loopback()
4032 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in enable_loopback()
4033 write_control_reg(info); in enable_loopback()
4040 write_reg(info, RXS, 0x40); in enable_loopback()
4041 write_reg(info, TXS, 0x40); in enable_loopback()
4047 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) & ~(BIT1 + BIT0))); in enable_loopback()
4054 write_reg(info, RXS, 0x00); in enable_loopback()
4055 write_reg(info, TXS, 0x00); in enable_loopback()
4059 if (info->params.clock_speed) in enable_loopback()
4060 set_rate(info, info->params.clock_speed); in enable_loopback()
4062 set_rate(info, 3686400); in enable_loopback()
4070 static void set_rate( SLMP_INFO *info, u32 data_rate ) in set_rate() argument
4101 write_reg(info, TXS, in set_rate()
4102 (unsigned char)((read_reg(info, TXS) & 0xf0) | BRValue)); in set_rate()
4103 write_reg(info, RXS, in set_rate()
4104 (unsigned char)((read_reg(info, RXS) & 0xf0) | BRValue)); in set_rate()
4105 write_reg(info, TMC, (unsigned char)TMCValue); in set_rate()
4108 write_reg(info, TXS,0); in set_rate()
4109 write_reg(info, RXS,0); in set_rate()
4110 write_reg(info, TMC, 0); in set_rate()
4116 static void rx_stop(SLMP_INFO *info) in rx_stop() argument
4120 __FILE__,__LINE__, info->device_name ); in rx_stop()
4122 write_reg(info, CMD, RXRESET); in rx_stop()
4124 info->ie0_value &= ~RXRDYE; in rx_stop()
4125 write_reg(info, IE0, info->ie0_value); /* disable Rx data interrupts */ in rx_stop()
4127 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_stop()
4128 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_stop()
4129 write_reg(info, RXDMA + DIR, 0); /* disable Rx DMA interrupts */ in rx_stop()
4131 info->rx_enabled = false; in rx_stop()
4132 info->rx_overflow = false; in rx_stop()
4137 static void rx_start(SLMP_INFO *info) in rx_start() argument
4143 __FILE__,__LINE__, info->device_name ); in rx_start()
4145 write_reg(info, CMD, RXRESET); in rx_start()
4147 if ( info->params.mode == MGSL_MODE_HDLC ) { in rx_start()
4149 info->ie0_value &= ~RXRDYE; in rx_start()
4150 write_reg(info, IE0, info->ie0_value); in rx_start()
4153 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_start()
4154 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_start()
4156 for (i = 0; i < info->rx_buf_count; i++) { in rx_start()
4157 info->rx_buf_list[i].status = 0xff; in rx_start()
4162 read_status_reg(info); in rx_start()
4164 info->current_rx_buf = 0; in rx_start()
4167 write_reg16(info, RXDMA + CDA, in rx_start()
4168 info->rx_buf_list_ex[0].phys_entry); in rx_start()
4171 write_reg16(info, RXDMA + EDA, in rx_start()
4172 info->rx_buf_list_ex[info->rx_buf_count - 1].phys_entry); in rx_start()
4175 write_reg16(info, RXDMA + BFL, SCABUFSIZE); in rx_start()
4177 write_reg(info, RXDMA + DIR, 0x60); /* enable Rx DMA interrupts (EOM/BOF) */ in rx_start()
4178 write_reg(info, RXDMA + DSR, 0xf2); /* clear Rx DMA IRQs, enable Rx DMA */ in rx_start()
4181 info->ie0_value |= RXRDYE; in rx_start()
4182 write_reg(info, IE0, info->ie0_value); in rx_start()
4185 write_reg(info, CMD, RXENABLE); in rx_start()
4187 info->rx_overflow = false; in rx_start()
4188 info->rx_enabled = true; in rx_start()
4194 static void tx_start(SLMP_INFO *info) in tx_start() argument
4198 __FILE__,__LINE__, info->device_name,info->tx_count ); in tx_start()
4200 if (!info->tx_enabled ) { in tx_start()
4201 write_reg(info, CMD, TXRESET); in tx_start()
4202 write_reg(info, CMD, TXENABLE); in tx_start()
4203 info->tx_enabled = true; in tx_start()
4206 if ( info->tx_count ) { in tx_start()
4212 info->drop_rts_on_tx_done = false; in tx_start()
4214 if (info->params.mode != MGSL_MODE_ASYNC) { in tx_start()
4216 if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) { in tx_start()
4217 get_signals( info ); in tx_start()
4218 if ( !(info->serial_signals & SerialSignal_RTS) ) { in tx_start()
4219 info->serial_signals |= SerialSignal_RTS; in tx_start()
4220 set_signals( info ); in tx_start()
4221 info->drop_rts_on_tx_done = true; in tx_start()
4225 write_reg16(info, TRC0, in tx_start()
4228 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_start()
4229 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_start()
4232 write_reg16(info, TXDMA + CDA, in tx_start()
4233 info->tx_buf_list_ex[0].phys_entry); in tx_start()
4236 write_reg16(info, TXDMA + EDA, in tx_start()
4237 info->tx_buf_list_ex[info->last_tx_buf].phys_entry); in tx_start()
4240 info->ie1_value &= ~IDLE; in tx_start()
4241 info->ie1_value |= UDRN; in tx_start()
4242 write_reg(info, IE1, info->ie1_value); in tx_start()
4243 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); in tx_start()
4245 write_reg(info, TXDMA + DIR, 0x40); /* enable Tx DMA interrupts (EOM) */ in tx_start()
4246 write_reg(info, TXDMA + DSR, 0xf2); /* clear Tx DMA IRQs, enable Tx DMA */ in tx_start()
4248 mod_timer(&info->tx_timer, jiffies + in tx_start()
4252 tx_load_fifo(info); in tx_start()
4254 info->ie0_value |= TXRDYE; in tx_start()
4255 write_reg(info, IE0, info->ie0_value); in tx_start()
4258 info->tx_active = true; in tx_start()
4264 static void tx_stop( SLMP_INFO *info ) in tx_stop() argument
4268 __FILE__,__LINE__, info->device_name ); in tx_stop()
4270 del_timer(&info->tx_timer); in tx_stop()
4272 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_stop()
4273 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_stop()
4275 write_reg(info, CMD, TXRESET); in tx_stop()
4277 info->ie1_value &= ~(UDRN + IDLE); in tx_stop()
4278 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_stop()
4279 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_stop()
4281 info->ie0_value &= ~TXRDYE; in tx_stop()
4282 write_reg(info, IE0, info->ie0_value); /* disable tx data interrupts */ in tx_stop()
4284 info->tx_enabled = false; in tx_stop()
4285 info->tx_active = false; in tx_stop()
4291 static void tx_load_fifo(SLMP_INFO *info) in tx_load_fifo() argument
4297 if ( !info->tx_count && !info->x_char ) in tx_load_fifo()
4302 while( info->tx_count && (read_reg(info,SR0) & BIT1) ) { in tx_load_fifo()
4307 if ( (info->tx_count > 1) && !info->x_char ) { in tx_load_fifo()
4309 TwoBytes[0] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4310 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4311 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4312 TwoBytes[1] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4313 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4314 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4316 write_reg16(info, TRB, *((u16 *)TwoBytes)); in tx_load_fifo()
4318 info->tx_count -= 2; in tx_load_fifo()
4319 info->icount.tx += 2; in tx_load_fifo()
4323 if (info->x_char) { in tx_load_fifo()
4325 write_reg(info, TRB, info->x_char); in tx_load_fifo()
4326 info->x_char = 0; in tx_load_fifo()
4328 write_reg(info, TRB, info->tx_buf[info->tx_get++]); in tx_load_fifo()
4329 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4330 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4331 info->tx_count--; in tx_load_fifo()
4333 info->icount.tx++; in tx_load_fifo()
4340 static void reset_port(SLMP_INFO *info) in reset_port() argument
4342 if (info->sca_base) { in reset_port()
4344 tx_stop(info); in reset_port()
4345 rx_stop(info); in reset_port()
4347 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in reset_port()
4348 set_signals(info); in reset_port()
4351 info->ie0_value = 0; in reset_port()
4352 info->ie1_value = 0; in reset_port()
4353 info->ie2_value = 0; in reset_port()
4354 write_reg(info, IE0, info->ie0_value); in reset_port()
4355 write_reg(info, IE1, info->ie1_value); in reset_port()
4356 write_reg(info, IE2, info->ie2_value); in reset_port()
4358 write_reg(info, CMD, CHRESET); in reset_port()
4364 static void reset_adapter(SLMP_INFO *info) in reset_adapter() argument
4369 if (info->port_array[i]) in reset_adapter()
4370 reset_port(info->port_array[i]); in reset_adapter()
4376 static void async_mode(SLMP_INFO *info) in async_mode() argument
4381 tx_stop(info); in async_mode()
4382 rx_stop(info); in async_mode()
4395 if (info->params.stop_bits != 1) in async_mode()
4397 write_reg(info, MD0, RegValue); in async_mode()
4409 switch (info->params.data_bits) { in async_mode()
4414 if (info->params.parity != ASYNC_PARITY_NONE) { in async_mode()
4416 if (info->params.parity == ASYNC_PARITY_ODD) in async_mode()
4419 write_reg(info, MD1, RegValue); in async_mode()
4429 if (info->params.loopback) in async_mode()
4431 write_reg(info, MD2, RegValue); in async_mode()
4440 write_reg(info, RXS, RegValue); in async_mode()
4449 write_reg(info, TXS, RegValue); in async_mode()
4455 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in async_mode()
4456 write_control_reg(info); in async_mode()
4458 tx_set_idle(info); in async_mode()
4465 write_reg(info, RRC, 0x00); in async_mode()
4472 write_reg(info, TRC0, 0x10); in async_mode()
4479 write_reg(info, TRC1, 0x1e); in async_mode()
4494 if (!(info->serial_signals & SerialSignal_RTS)) in async_mode()
4496 write_reg(info, CTL, RegValue); in async_mode()
4499 info->ie0_value |= TXINTE + RXINTE; in async_mode()
4500 write_reg(info, IE0, info->ie0_value); in async_mode()
4503 info->ie1_value = BRKD; in async_mode()
4504 write_reg(info, IE1, info->ie1_value); in async_mode()
4507 info->ie2_value = OVRN; in async_mode()
4508 write_reg(info, IE2, info->ie2_value); in async_mode()
4510 set_rate( info, info->params.data_rate * 16 ); in async_mode()
4515 static void hdlc_mode(SLMP_INFO *info) in hdlc_mode() argument
4524 info->params.flags &= ~(HDLC_FLAG_TXC_DPLL + HDLC_FLAG_RXC_DPLL); in hdlc_mode()
4527 write_reg(info, TXDMA + DIR, 0); in hdlc_mode()
4528 write_reg(info, RXDMA + DIR, 0); in hdlc_mode()
4542 if (info->params.flags & HDLC_FLAG_AUTO_CTS) in hdlc_mode()
4544 if (info->params.flags & HDLC_FLAG_AUTO_DCD) in hdlc_mode()
4546 if (info->params.crc_type == HDLC_CRC_16_CCITT) in hdlc_mode()
4548 write_reg(info, MD0, RegValue); in hdlc_mode()
4560 write_reg(info, MD1, RegValue); in hdlc_mode()
4573 switch(info->params.encoding) { in hdlc_mode()
4584 if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) { in hdlc_mode()
4587 } else if ( info->params.flags & HDLC_FLAG_DPLL_DIV8 ) { in hdlc_mode()
4593 write_reg(info, MD2, RegValue); in hdlc_mode()
4603 if (info->params.flags & HDLC_FLAG_RXC_BRG) in hdlc_mode()
4605 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4607 write_reg(info, RXS, RegValue); in hdlc_mode()
4616 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4618 if (info->params.flags & HDLC_FLAG_TXC_DPLL) in hdlc_mode()
4620 write_reg(info, TXS, RegValue); in hdlc_mode()
4622 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4623 set_rate(info, info->params.clock_speed * DpllDivisor); in hdlc_mode()
4625 set_rate(info, info->params.clock_speed); in hdlc_mode()
4631 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4632 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in hdlc_mode()
4634 info->port_array[0]->ctrlreg_value &= ~(BIT0 << (info->port_num * 2)); in hdlc_mode()
4635 write_control_reg(info); in hdlc_mode()
4642 write_reg(info, RRC, rx_active_fifo_level); in hdlc_mode()
4649 write_reg(info, TRC0, tx_active_fifo_level); in hdlc_mode()
4656 write_reg(info, TRC1, (unsigned char)(tx_negate_fifo_level - 1)); in hdlc_mode()
4669 write_reg(info, TXDMA + DMR, 0x14); in hdlc_mode()
4670 write_reg(info, RXDMA + DMR, 0x14); in hdlc_mode()
4673 write_reg(info, RXDMA + CPB, in hdlc_mode()
4674 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4677 write_reg(info, TXDMA + CPB, in hdlc_mode()
4678 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4683 info->ie0_value |= TXINTE + RXINTE; in hdlc_mode()
4684 write_reg(info, IE0, info->ie0_value); in hdlc_mode()
4699 if (!(info->serial_signals & SerialSignal_RTS)) in hdlc_mode()
4701 write_reg(info, CTL, RegValue); in hdlc_mode()
4705 tx_set_idle(info); in hdlc_mode()
4706 tx_stop(info); in hdlc_mode()
4707 rx_stop(info); in hdlc_mode()
4709 set_rate(info, info->params.clock_speed); in hdlc_mode()
4711 if (info->params.loopback) in hdlc_mode()
4712 enable_loopback(info,1); in hdlc_mode()
4717 static void tx_set_idle(SLMP_INFO *info) in tx_set_idle() argument
4722 switch(info->idle_mode) { in tx_set_idle()
4732 write_reg(info, IDL, RegValue); in tx_set_idle()
4737 static void get_signals(SLMP_INFO *info) in get_signals() argument
4739 u16 status = read_reg(info, SR3); in get_signals()
4740 u16 gpstatus = read_status_reg(info); in get_signals()
4744 info->serial_signals &= SerialSignal_RTS | SerialSignal_DTR; in get_signals()
4749 info->serial_signals |= SerialSignal_CTS; in get_signals()
4752 info->serial_signals |= SerialSignal_DCD; in get_signals()
4754 testbit = BIT1 << (info->port_num * 2); // Port 0..3 RI is GPDATA<1,3,5,7> in get_signals()
4756 info->serial_signals |= SerialSignal_RI; in get_signals()
4758 testbit = BIT0 << (info->port_num * 2); // Port 0..3 DSR is GPDATA<0,2,4,6> in get_signals()
4760 info->serial_signals |= SerialSignal_DSR; in get_signals()
4766 static void set_signals(SLMP_INFO *info) in set_signals() argument
4771 RegValue = read_reg(info, CTL); in set_signals()
4772 if (info->serial_signals & SerialSignal_RTS) in set_signals()
4776 write_reg(info, CTL, RegValue); in set_signals()
4779 EnableBit = BIT1 << (info->port_num*2); in set_signals()
4780 if (info->serial_signals & SerialSignal_DTR) in set_signals()
4781 info->port_array[0]->ctrlreg_value &= ~EnableBit; in set_signals()
4783 info->port_array[0]->ctrlreg_value |= EnableBit; in set_signals()
4784 write_control_reg(info); in set_signals()
4795 static void rx_reset_buffers(SLMP_INFO *info) in rx_reset_buffers() argument
4797 rx_free_frame_buffers(info, 0, info->rx_buf_count - 1); in rx_reset_buffers()
4806 static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last) in rx_free_frame_buffers() argument
4812 info->rx_buf_list[first].status = 0xff; in rx_free_frame_buffers()
4817 write_reg16(info, RXDMA + EDA, info->rx_buf_list_ex[first].phys_entry); in rx_free_frame_buffers()
4821 if (first == info->rx_buf_count) in rx_free_frame_buffers()
4826 info->current_rx_buf = first; in rx_free_frame_buffers()
4834 static bool rx_get_frame(SLMP_INFO *info) in rx_get_frame() argument
4841 struct tty_struct *tty = info->port.tty; in rx_get_frame()
4857 StartIndex = EndIndex = info->current_rx_buf; in rx_get_frame()
4860 desc = &info->rx_buf_list[EndIndex]; in rx_get_frame()
4861 desc_ex = &info->rx_buf_list_ex[EndIndex]; in rx_get_frame()
4866 if (framesize == 0 && info->params.addr_filter != 0xff) in rx_get_frame()
4876 if (EndIndex == info->rx_buf_count) in rx_get_frame()
4879 if (EndIndex == info->current_rx_buf) { in rx_get_frame()
4882 if ( info->rx_enabled ){ in rx_get_frame()
4883 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4884 rx_start(info); in rx_get_frame()
4885 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
4908 if (info->params.crc_type == HDLC_CRC_NONE) in rx_get_frame()
4912 (addr_field != 0xff && addr_field != info->params.addr_filter)) { in rx_get_frame()
4916 rx_free_frame_buffers(info, StartIndex, EndIndex); in rx_get_frame()
4928 info->icount.rxshort++; in rx_get_frame()
4930 info->icount.rxabort++; in rx_get_frame()
4932 info->icount.rxover++; in rx_get_frame()
4934 info->icount.rxcrc++; in rx_get_frame()
4939 info->netdev->stats.rx_errors++; in rx_get_frame()
4940 info->netdev->stats.rx_frame_errors++; in rx_get_frame()
4947 __FILE__,__LINE__,info->device_name,status,framesize); in rx_get_frame()
4950 trace_block(info,info->rx_buf_list_ex[StartIndex].virt_addr, in rx_get_frame()
4954 if (framesize > info->max_frame_size) in rx_get_frame()
4955 info->icount.rxlong++; in rx_get_frame()
4960 unsigned char *ptmp = info->tmp_rx_buf; in rx_get_frame()
4961 info->tmp_rx_buf_count = framesize; in rx_get_frame()
4963 info->icount.rxok++; in rx_get_frame()
4968 info->rx_buf_list_ex[index].virt_addr, in rx_get_frame()
4973 if ( ++index == info->rx_buf_count ) in rx_get_frame()
4978 if (info->netcount) in rx_get_frame()
4979 hdlcdev_rx(info,info->tmp_rx_buf,framesize); in rx_get_frame()
4982 ldisc_receive_buf(tty,info->tmp_rx_buf, in rx_get_frame()
4983 info->flag_buf, framesize); in rx_get_frame()
4987 rx_free_frame_buffers( info, StartIndex, EndIndex ); in rx_get_frame()
4992 if ( info->rx_enabled && info->rx_overflow ) { in rx_get_frame()
4996 if (info->rx_buf_list[EndIndex].status == 0xff) { in rx_get_frame()
4997 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4998 rx_start(info); in rx_get_frame()
4999 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
5008 static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count) in tx_load_dma_buffer() argument
5016 trace_block(info, buf, min_t(unsigned int, count, SCABUFSIZE), 1); in tx_load_dma_buffer()
5025 desc = &info->tx_buf_list[i]; in tx_load_dma_buffer()
5026 desc_ex = &info->tx_buf_list_ex[i]; in tx_load_dma_buffer()
5028 load_pci_memory(info, desc_ex->virt_addr,buf,copy_count); in tx_load_dma_buffer()
5040 if (i >= info->tx_buf_count) in tx_load_dma_buffer()
5044 info->tx_buf_list[i].status = 0x81; /* set EOM and EOT status */ in tx_load_dma_buffer()
5045 info->last_tx_buf = ++i; in tx_load_dma_buffer()
5048 static bool register_test(SLMP_INFO *info) in register_test() argument
5056 spin_lock_irqsave(&info->lock,flags); in register_test()
5057 reset_port(info); in register_test()
5060 info->init_error = DiagStatus_AddressFailure; in register_test()
5066 write_reg(info, TMC, testval[i]); in register_test()
5067 write_reg(info, IDL, testval[(i+1)%count]); in register_test()
5068 write_reg(info, SA0, testval[(i+2)%count]); in register_test()
5069 write_reg(info, SA1, testval[(i+3)%count]); in register_test()
5071 if ( (read_reg(info, TMC) != testval[i]) || in register_test()
5072 (read_reg(info, IDL) != testval[(i+1)%count]) || in register_test()
5073 (read_reg(info, SA0) != testval[(i+2)%count]) || in register_test()
5074 (read_reg(info, SA1) != testval[(i+3)%count]) ) in register_test()
5081 reset_port(info); in register_test()
5082 spin_unlock_irqrestore(&info->lock,flags); in register_test()
5087 static bool irq_test(SLMP_INFO *info) in irq_test() argument
5092 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in irq_test()
5094 spin_lock_irqsave(&info->lock,flags); in irq_test()
5095 reset_port(info); in irq_test()
5098 info->init_error = DiagStatus_IrqFailure; in irq_test()
5099 info->irq_occurred = false; in irq_test()
5104 write_reg(info, IER2, (unsigned char)((info->port_num & 1) ? BIT6 : BIT4)); in irq_test()
5106 write_reg(info, (unsigned char)(timer + TEPR), 0); /* timer expand prescale */ in irq_test()
5107 write_reg16(info, (unsigned char)(timer + TCONR), 1); /* timer constant */ in irq_test()
5120 write_reg(info, (unsigned char)(timer + TMCS), 0x50); in irq_test()
5122 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5125 while( timeout-- && !info->irq_occurred ) { in irq_test()
5129 spin_lock_irqsave(&info->lock,flags); in irq_test()
5130 reset_port(info); in irq_test()
5131 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5133 return info->irq_occurred; in irq_test()
5138 static bool sca_init(SLMP_INFO *info) in sca_init() argument
5141 write_reg(info, PABR0, 0); /* wait controller addr boundary 0 */ in sca_init()
5142 write_reg(info, PABR1, 0); /* wait controller addr boundary 1 */ in sca_init()
5143 write_reg(info, WCRL, 0); /* wait controller low range */ in sca_init()
5144 write_reg(info, WCRM, 0); /* wait controller mid range */ in sca_init()
5145 write_reg(info, WCRH, 0); /* wait controller high range */ in sca_init()
5156 write_reg(info, DPCR, dma_priority); in sca_init()
5159 write_reg(info, DMER, 0x80); in sca_init()
5162 write_reg(info, IER0, 0xff); /* TxRDY,RxRDY,TxINT,RxINT (ports 0-1) */ in sca_init()
5163 write_reg(info, IER1, 0xff); /* DMIB,DMIA (channels 0-3) */ in sca_init()
5164 write_reg(info, IER2, 0xf0); /* TIRQ (timers 0-3) */ in sca_init()
5172 write_reg(info, ITCR, 0); in sca_init()
5179 static bool init_adapter(SLMP_INFO *info) in init_adapter() argument
5184 volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50); in init_adapter()
5187 info->misc_ctrl_value |= BIT30; in init_adapter()
5188 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5198 info->misc_ctrl_value &= ~BIT30; in init_adapter()
5199 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5202 info->ctrlreg_value = 0xaa; in init_adapter()
5203 write_control_reg(info); in init_adapter()
5206 volatile u32 *LCR1BRDR = (u32 *)(info->lcr_base + 0x2c); in init_adapter()
5229 sca_init(info->port_array[0]); in init_adapter()
5230 sca_init(info->port_array[2]); in init_adapter()
5238 static bool loopback_test(SLMP_INFO *info) in loopback_test() argument
5248 struct tty_struct *oldtty = info->port.tty; in loopback_test()
5249 u32 speed = info->params.clock_speed; in loopback_test()
5251 info->params.clock_speed = 3686400; in loopback_test()
5252 info->port.tty = NULL; in loopback_test()
5255 info->init_error = DiagStatus_DmaFailure; in loopback_test()
5261 memset(info->tmp_rx_buf,0,TESTFRAMESIZE); in loopback_test()
5264 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5265 hdlc_mode(info); in loopback_test()
5266 enable_loopback(info,1); in loopback_test()
5267 rx_start(info); in loopback_test()
5268 info->tx_count = count; in loopback_test()
5269 tx_load_dma_buffer(info,buf,count); in loopback_test()
5270 tx_start(info); in loopback_test()
5271 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5278 if (rx_get_frame(info)) { in loopback_test()
5286 ( info->tmp_rx_buf_count != count || in loopback_test()
5287 memcmp(buf, info->tmp_rx_buf,count))) { in loopback_test()
5291 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5292 reset_adapter(info); in loopback_test()
5293 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5295 info->params.clock_speed = speed; in loopback_test()
5296 info->port.tty = oldtty; in loopback_test()
5303 static int adapter_test( SLMP_INFO *info ) in adapter_test() argument
5308 __FILE__,__LINE__,info->device_name ); in adapter_test()
5310 spin_lock_irqsave(&info->lock,flags); in adapter_test()
5311 init_adapter(info); in adapter_test()
5312 spin_unlock_irqrestore(&info->lock,flags); in adapter_test()
5314 info->port_array[0]->port_count = 0; in adapter_test()
5316 if ( register_test(info->port_array[0]) && in adapter_test()
5317 register_test(info->port_array[1])) { in adapter_test()
5319 info->port_array[0]->port_count = 2; in adapter_test()
5321 if ( register_test(info->port_array[2]) && in adapter_test()
5322 register_test(info->port_array[3]) ) in adapter_test()
5323 info->port_array[0]->port_count += 2; in adapter_test()
5327 __FILE__,__LINE__,info->device_name, (unsigned long)(info->phys_sca_base)); in adapter_test()
5331 if ( !irq_test(info->port_array[0]) || in adapter_test()
5332 !irq_test(info->port_array[1]) || in adapter_test()
5333 (info->port_count == 4 && !irq_test(info->port_array[2])) || in adapter_test()
5334 (info->port_count == 4 && !irq_test(info->port_array[3]))) { in adapter_test()
5336 __FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) ); in adapter_test()
5340 if (!loopback_test(info->port_array[0]) || in adapter_test()
5341 !loopback_test(info->port_array[1]) || in adapter_test()
5342 (info->port_count == 4 && !loopback_test(info->port_array[2])) || in adapter_test()
5343 (info->port_count == 4 && !loopback_test(info->port_array[3]))) { in adapter_test()
5345 __FILE__,__LINE__,info->device_name); in adapter_test()
5351 __FILE__,__LINE__,info->device_name ); in adapter_test()
5353 info->port_array[0]->init_error = 0; in adapter_test()
5354 info->port_array[1]->init_error = 0; in adapter_test()
5355 if ( info->port_count > 2 ) { in adapter_test()
5356 info->port_array[2]->init_error = 0; in adapter_test()
5357 info->port_array[3]->init_error = 0; in adapter_test()
5365 static bool memory_test(SLMP_INFO *info) in memory_test() argument
5372 unsigned long * addr = (unsigned long *)info->memory_base; in memory_test()
5390 addr = (unsigned long *)info->memory_base; in memory_test()
5398 memset( info->memory_base, 0, SCA_MEM_SIZE ); in memory_test()
5417 static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count) in load_pci_memory() argument
5428 read_status_reg(info); in load_pci_memory()
5436 static void trace_block(SLMP_INFO *info,const char* data, int count, int xmit) in trace_block() argument
5441 printk("%s tx data:\n",info->device_name); in trace_block()
5443 printk("%s rx data:\n",info->device_name); in trace_block()
5473 SLMP_INFO *info = (SLMP_INFO*)context; in tx_timeout() local
5478 __FILE__,__LINE__,info->device_name); in tx_timeout()
5479 if(info->tx_active && info->params.mode == MGSL_MODE_HDLC) { in tx_timeout()
5480 info->icount.txtimeout++; in tx_timeout()
5482 spin_lock_irqsave(&info->lock,flags); in tx_timeout()
5483 info->tx_active = false; in tx_timeout()
5484 info->tx_count = info->tx_put = info->tx_get = 0; in tx_timeout()
5486 spin_unlock_irqrestore(&info->lock,flags); in tx_timeout()
5489 if (info->netcount) in tx_timeout()
5490 hdlcdev_tx_done(info); in tx_timeout()
5493 bh_transmit(info); in tx_timeout()
5501 SLMP_INFO *info = (SLMP_INFO*)context; in status_timeout() local
5506 spin_lock_irqsave(&info->lock,flags); in status_timeout()
5507 get_signals(info); in status_timeout()
5508 spin_unlock_irqrestore(&info->lock,flags); in status_timeout()
5512 delta = info->old_signals ^ info->serial_signals; in status_timeout()
5513 info->old_signals = info->serial_signals; in status_timeout()
5516 status |= MISCSTATUS_DSR_LATCHED|(info->serial_signals&SerialSignal_DSR); in status_timeout()
5519 status |= MISCSTATUS_RI_LATCHED|(info->serial_signals&SerialSignal_RI); in status_timeout()
5522 status |= MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD); in status_timeout()
5525 status |= MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS); in status_timeout()
5528 isr_io_pin(info,status); in status_timeout()
5530 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in status_timeout()
5538 unsigned char * RegAddr = (unsigned char*)(info->sca_base + Addr); \
5539 if (info->port_num > 1) \
5541 if ( info->port_num & 1) { \
5549 static unsigned char read_reg(SLMP_INFO * info, unsigned char Addr) in read_reg() argument
5554 static void write_reg(SLMP_INFO * info, unsigned char Addr, unsigned char Value) in write_reg() argument
5560 static u16 read_reg16(SLMP_INFO * info, unsigned char Addr) in read_reg16() argument
5566 static void write_reg16(SLMP_INFO * info, unsigned char Addr, u16 Value) in write_reg16() argument
5572 static unsigned char read_status_reg(SLMP_INFO * info) in read_status_reg() argument
5574 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in read_status_reg()
5578 static void write_control_reg(SLMP_INFO * info) in write_control_reg() argument
5580 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in write_control_reg()
5581 *RegAddr = info->port_array[0]->ctrlreg_value; in write_control_reg()