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 int 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 (tty_port_initialized(&info->port)) 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.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() local
871 change_params(info); in set_termios()
875 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in set_termios()
876 spin_lock_irqsave(&info->lock,flags); in set_termios()
877 set_signals(info); in set_termios()
878 spin_unlock_irqrestore(&info->lock,flags); 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()
887 set_signals(info); in set_termios()
888 spin_unlock_irqrestore(&info->lock,flags); in set_termios()
912 SLMP_INFO *info = tty->driver_data; in write() local
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()
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()
939 tx_load_dma_buffer(info, buf, 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()
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()
975 tx_start(info); 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() local
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()
1027 SLMP_INFO *info = tty->driver_data; in send_xchar() local
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()
1042 tx_start(info); in send_xchar()
1043 spin_unlock_irqrestore(&info->lock,flags); in send_xchar()
1051 SLMP_INFO * info = tty->driver_data; in wait_until_sent() local
1054 if (!info ) 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()
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() local
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() local
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()
1168 tx_load_dma_buffer(info, in flush_chars()
1169 info->tx_buf,info->tx_count); in flush_chars()
1171 tx_start(info); in flush_chars()
1174 spin_unlock_irqrestore(&info->lock,flags); in flush_chars()
1181 SLMP_INFO *info = tty->driver_data; in flush_buffer() local
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() local
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()
1215 tx_stop(info); in tx_hold()
1216 spin_unlock_irqrestore(&info->lock,flags); in tx_hold()
1223 SLMP_INFO *info = tty->driver_data; in tx_release() local
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()
1235 tx_start(info); in tx_release()
1236 spin_unlock_irqrestore(&info->lock,flags); in tx_release()
1252 SLMP_INFO *info = tty->driver_data; in ioctl() local
1257 info->device_name, cmd ); in ioctl()
1259 if (sanity_check(info, tty->name, "ioctl")) in ioctl()
1270 return get_params(info, argp); in ioctl()
1272 return set_params(info, argp); in ioctl()
1274 return get_txidle(info, argp); in ioctl()
1276 return set_txidle(info, (int)arg); in ioctl()
1278 return tx_enable(info, (int)arg); in ioctl()
1280 return rx_enable(info, (int)arg); in ioctl()
1282 return tx_abort(info); in ioctl()
1284 return get_stats(info, argp); in ioctl()
1286 return wait_mgsl_event(info, argp); in ioctl()
1293 return modem_input_wait(info,(int)arg); in ioctl()
1310 SLMP_INFO *info = tty->driver_data; in get_icount() local
1314 spin_lock_irqsave(&info->lock,flags); in get_icount()
1315 cnow = info->icount; in get_icount()
1316 spin_unlock_irqrestore(&info->lock,flags); in get_icount()
1337 static inline void line_info(struct seq_file *m, SLMP_INFO *info) in line_info() argument
1344 info->device_name, in line_info()
1345 info->phys_sca_base, in line_info()
1346 info->phys_memory_base, in line_info()
1347 info->phys_statctrl_base, in line_info()
1348 info->phys_lcr_base, in line_info()
1349 info->irq_level, in line_info()
1350 info->max_frame_size ); in line_info()
1353 spin_lock_irqsave(&info->lock,flags); in line_info()
1354 get_signals(info); in line_info()
1355 spin_unlock_irqrestore(&info->lock,flags); in line_info()
1359 if (info->serial_signals & SerialSignal_RTS) in line_info()
1361 if (info->serial_signals & SerialSignal_CTS) in line_info()
1363 if (info->serial_signals & SerialSignal_DTR) in line_info()
1365 if (info->serial_signals & SerialSignal_DSR) in line_info()
1367 if (info->serial_signals & SerialSignal_DCD) in line_info()
1369 if (info->serial_signals & SerialSignal_RI) in line_info()
1372 if (info->params.mode == MGSL_MODE_HDLC) { in line_info()
1374 info->icount.txok, info->icount.rxok); in line_info()
1375 if (info->icount.txunder) in line_info()
1376 seq_printf(m, " txunder:%d", info->icount.txunder); in line_info()
1377 if (info->icount.txabort) in line_info()
1378 seq_printf(m, " txabort:%d", info->icount.txabort); in line_info()
1379 if (info->icount.rxshort) in line_info()
1380 seq_printf(m, " rxshort:%d", info->icount.rxshort); in line_info()
1381 if (info->icount.rxlong) in line_info()
1382 seq_printf(m, " rxlong:%d", info->icount.rxlong); in line_info()
1383 if (info->icount.rxover) in line_info()
1384 seq_printf(m, " rxover:%d", info->icount.rxover); in line_info()
1385 if (info->icount.rxcrc) in line_info()
1386 seq_printf(m, " rxlong:%d", info->icount.rxcrc); in line_info()
1389 info->icount.tx, info->icount.rx); in line_info()
1390 if (info->icount.frame) in line_info()
1391 seq_printf(m, " fe:%d", info->icount.frame); in line_info()
1392 if (info->icount.parity) in line_info()
1393 seq_printf(m, " pe:%d", info->icount.parity); in line_info()
1394 if (info->icount.brk) in line_info()
1395 seq_printf(m, " brk:%d", info->icount.brk); in line_info()
1396 if (info->icount.overrun) in line_info()
1397 seq_printf(m, " oe:%d", info->icount.overrun); in line_info()
1404 info->tx_active,info->bh_requested,info->bh_running, in line_info()
1405 info->pending_bh); in line_info()
1412 SLMP_INFO *info; in synclinkmp_proc_show() local
1416 info = synclinkmp_device_list; in synclinkmp_proc_show()
1417 while( info ) { in synclinkmp_proc_show()
1418 line_info(m, info); in synclinkmp_proc_show()
1419 info = info->next_device; in synclinkmp_proc_show()
1428 SLMP_INFO *info = tty->driver_data; in chars_in_buffer() local
1430 if (sanity_check(info, tty->name, "chars_in_buffer")) in chars_in_buffer()
1435 __FILE__, __LINE__, info->device_name, info->tx_count); in chars_in_buffer()
1437 return info->tx_count; in chars_in_buffer()
1444 SLMP_INFO *info = tty->driver_data; in throttle() local
1449 __FILE__,__LINE__, info->device_name ); in throttle()
1451 if (sanity_check(info, tty->name, "throttle")) in throttle()
1458 spin_lock_irqsave(&info->lock,flags); in throttle()
1459 info->serial_signals &= ~SerialSignal_RTS; in throttle()
1460 set_signals(info); in throttle()
1461 spin_unlock_irqrestore(&info->lock,flags); in throttle()
1469 SLMP_INFO *info = tty->driver_data; in unthrottle() local
1474 __FILE__,__LINE__, info->device_name ); in unthrottle()
1476 if (sanity_check(info, tty->name, "unthrottle")) in unthrottle()
1480 if (info->x_char) in unthrottle()
1481 info->x_char = 0; in unthrottle()
1487 spin_lock_irqsave(&info->lock,flags); in unthrottle()
1488 info->serial_signals |= SerialSignal_RTS; in unthrottle()
1489 set_signals(info); in unthrottle()
1490 spin_unlock_irqrestore(&info->lock,flags); in unthrottle()
1500 SLMP_INFO * info = tty->driver_data; in set_break() local
1505 __FILE__,__LINE__, info->device_name, break_state); in set_break()
1507 if (sanity_check(info, tty->name, "set_break")) in set_break()
1510 spin_lock_irqsave(&info->lock,flags); in set_break()
1511 RegValue = read_reg(info, CTL); in set_break()
1516 write_reg(info, CTL, RegValue); in set_break()
1517 spin_unlock_irqrestore(&info->lock,flags); in set_break()
1536 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_attach() local
1541 if (info->port.count) in hdlcdev_attach()
1562 info->params.encoding = new_encoding; in hdlcdev_attach()
1563 info->params.crc_type = new_crctype; in hdlcdev_attach()
1566 if (info->netcount) in hdlcdev_attach()
1567 program_hw(info); in hdlcdev_attach()
1581 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_xmit() local
1591 info->tx_count = skb->len; in hdlcdev_xmit()
1592 tx_load_dma_buffer(info, skb->data, skb->len); in hdlcdev_xmit()
1605 spin_lock_irqsave(&info->lock,flags); in hdlcdev_xmit()
1606 if (!info->tx_active) in hdlcdev_xmit()
1607 tx_start(info); in hdlcdev_xmit()
1608 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_xmit()
1623 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_open() local
1636 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1637 if (info->port.count != 0 || info->netcount != 0) { in hdlcdev_open()
1639 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1642 info->netcount=1; in hdlcdev_open()
1643 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1646 if ((rc = startup(info)) != 0) { in hdlcdev_open()
1647 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_open()
1648 info->netcount=0; in hdlcdev_open()
1649 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_open()
1654 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in hdlcdev_open()
1655 program_hw(info); in hdlcdev_open()
1662 spin_lock_irqsave(&info->lock, flags); in hdlcdev_open()
1663 get_signals(info); in hdlcdev_open()
1664 spin_unlock_irqrestore(&info->lock, flags); in hdlcdev_open()
1665 if (info->serial_signals & SerialSignal_DCD) in hdlcdev_open()
1682 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_close() local
1691 shutdown(info); in hdlcdev_close()
1695 spin_lock_irqsave(&info->netlock, flags); in hdlcdev_close()
1696 info->netcount=0; in hdlcdev_close()
1697 spin_unlock_irqrestore(&info->netlock, flags); in hdlcdev_close()
1716 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_ioctl() local
1723 if (info->port.count) in hdlcdev_ioctl()
1738 flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1752 new_line.clock_rate = info->params.clock_speed; in hdlcdev_ioctl()
1753 new_line.loopback = info->params.loopback ? 1:0; in hdlcdev_ioctl()
1772 case CLOCK_DEFAULT: flags = info->params.flags & in hdlcdev_ioctl()
1783 info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | in hdlcdev_ioctl()
1787 info->params.flags |= flags; in hdlcdev_ioctl()
1789 info->params.loopback = new_line.loopback; in hdlcdev_ioctl()
1792 info->params.clock_speed = new_line.clock_rate; in hdlcdev_ioctl()
1794 info->params.clock_speed = 0; in hdlcdev_ioctl()
1797 if (info->netcount) in hdlcdev_ioctl()
1798 program_hw(info); in hdlcdev_ioctl()
1813 SLMP_INFO *info = dev_to_port(dev); in hdlcdev_tx_timeout() local
1822 spin_lock_irqsave(&info->lock,flags); in hdlcdev_tx_timeout()
1823 tx_stop(info); in hdlcdev_tx_timeout()
1824 spin_unlock_irqrestore(&info->lock,flags); in hdlcdev_tx_timeout()
1835 static void hdlcdev_tx_done(SLMP_INFO *info) in hdlcdev_tx_done() argument
1837 if (netif_queue_stopped(info->netdev)) in hdlcdev_tx_done()
1838 netif_wake_queue(info->netdev); in hdlcdev_tx_done()
1849 static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size) in hdlcdev_rx() argument
1852 struct net_device *dev = info->netdev; in hdlcdev_rx()
1890 static int hdlcdev_init(SLMP_INFO *info) in hdlcdev_init() argument
1898 dev = alloc_hdlcdev(info); in hdlcdev_init()
1905 dev->mem_start = info->phys_sca_base; in hdlcdev_init()
1906 dev->mem_end = info->phys_sca_base + SCA_BASE_SIZE - 1; in hdlcdev_init()
1907 dev->irq = info->irq_level; in hdlcdev_init()
1927 info->netdev = dev; in hdlcdev_init()
1937 static void hdlcdev_exit(SLMP_INFO *info) in hdlcdev_exit() argument
1939 unregister_hdlc_device(info->netdev); in hdlcdev_exit()
1940 free_netdev(info->netdev); in hdlcdev_exit()
1941 info->netdev = NULL; in hdlcdev_exit()
1950 static int bh_action(SLMP_INFO *info) in bh_action() argument
1955 spin_lock_irqsave(&info->lock,flags); in bh_action()
1957 if (info->pending_bh & BH_RECEIVE) { in bh_action()
1958 info->pending_bh &= ~BH_RECEIVE; in bh_action()
1960 } else if (info->pending_bh & BH_TRANSMIT) { in bh_action()
1961 info->pending_bh &= ~BH_TRANSMIT; in bh_action()
1963 } else if (info->pending_bh & BH_STATUS) { in bh_action()
1964 info->pending_bh &= ~BH_STATUS; in bh_action()
1970 info->bh_running = false; in bh_action()
1971 info->bh_requested = false; in bh_action()
1974 spin_unlock_irqrestore(&info->lock,flags); in bh_action()
1983 SLMP_INFO *info = container_of(work, SLMP_INFO, task); in bh_handler() local
1988 __FILE__,__LINE__,info->device_name); in bh_handler()
1990 info->bh_running = true; in bh_handler()
1992 while((action = bh_action(info)) != 0) { in bh_handler()
1997 __FILE__,__LINE__,info->device_name, action); in bh_handler()
2002 bh_receive(info); in bh_handler()
2005 bh_transmit(info); in bh_handler()
2008 bh_status(info); in bh_handler()
2013 __FILE__,__LINE__,info->device_name,action); in bh_handler()
2020 __FILE__,__LINE__,info->device_name); in bh_handler()
2023 static void bh_receive(SLMP_INFO *info) in bh_receive() argument
2027 __FILE__,__LINE__,info->device_name); in bh_receive()
2029 while( rx_get_frame(info) ); in bh_receive()
2032 static void bh_transmit(SLMP_INFO *info) in bh_transmit() argument
2034 struct tty_struct *tty = info->port.tty; in bh_transmit()
2038 __FILE__,__LINE__,info->device_name); in bh_transmit()
2044 static void bh_status(SLMP_INFO *info) in bh_status() argument
2048 __FILE__,__LINE__,info->device_name); in bh_status()
2050 info->ri_chkcount = 0; in bh_status()
2051 info->dsr_chkcount = 0; in bh_status()
2052 info->dcd_chkcount = 0; in bh_status()
2053 info->cts_chkcount = 0; in bh_status()
2056 static void isr_timer(SLMP_INFO * info) in isr_timer() argument
2058 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in isr_timer()
2061 write_reg(info, IER2, 0); in isr_timer()
2073 write_reg(info, (unsigned char)(timer + TMCS), 0); in isr_timer()
2075 info->irq_occurred = true; in isr_timer()
2079 __FILE__,__LINE__,info->device_name); in isr_timer()
2082 static void isr_rxint(SLMP_INFO * info) in isr_rxint() argument
2084 struct tty_struct *tty = info->port.tty; in isr_rxint()
2085 struct mgsl_icount *icount = &info->icount; in isr_rxint()
2086 unsigned char status = read_reg(info, SR1) & info->ie1_value & (FLGD + IDLD + CDCD + BRKD); in isr_rxint()
2087 unsigned char status2 = read_reg(info, SR2) & info->ie2_value & OVRN; in isr_rxint()
2091 write_reg(info, SR1, status); in isr_rxint()
2094 write_reg(info, SR2, status2); in isr_rxint()
2098 __FILE__,__LINE__,info->device_name,status,status2); in isr_rxint()
2100 if (info->params.mode == MGSL_MODE_ASYNC) { in isr_rxint()
2107 if (!(status & info->ignore_status_mask1)) { in isr_rxint()
2108 if (info->read_status_mask1 & BRKD) { in isr_rxint()
2109 tty_insert_flip_char(&info->port, 0, TTY_BREAK); in isr_rxint()
2110 if (tty && (info->port.flags & ASYNC_SAK)) in isr_rxint()
2119 info->icount.exithunt++; in isr_rxint()
2121 info->icount.rxidle++; in isr_rxint()
2122 wake_up_interruptible(&info->event_wait_q); in isr_rxint()
2130 get_signals( info ); in isr_rxint()
2131 isr_io_pin(info, in isr_rxint()
2132 MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD)); in isr_rxint()
2139 static void isr_rxrdy(SLMP_INFO * info) in isr_rxrdy() argument
2143 struct mgsl_icount *icount = &info->icount; in isr_rxrdy()
2147 __FILE__,__LINE__,info->device_name); in isr_rxrdy()
2149 while((status = read_reg(info,CST0)) & BIT0) in isr_rxrdy()
2153 DataByte = read_reg(info,TRB); in isr_rxrdy()
2159 __FILE__,__LINE__,info->device_name,status); in isr_rxrdy()
2170 if (status & info->ignore_status_mask2) in isr_rxrdy()
2173 status &= info->read_status_mask2; in isr_rxrdy()
2188 tty_insert_flip_char(&info->port, DataByte, flag); in isr_rxrdy()
2190 tty_insert_flip_char(&info->port, 0, TTY_OVERRUN); in isr_rxrdy()
2195 __FILE__,__LINE__,info->device_name, in isr_rxrdy()
2200 tty_flip_buffer_push(&info->port); in isr_rxrdy()
2203 static void isr_txeom(SLMP_INFO * info, unsigned char status) in isr_txeom() argument
2207 __FILE__,__LINE__,info->device_name,status); in isr_txeom()
2209 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txeom()
2210 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txeom()
2211 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txeom()
2214 write_reg(info, CMD, TXRESET); in isr_txeom()
2215 write_reg(info, CMD, TXENABLE); in isr_txeom()
2217 write_reg(info, CMD, TXBUFCLR); in isr_txeom()
2220 info->ie0_value &= ~TXRDYE; in isr_txeom()
2221 info->ie1_value &= ~(IDLE + UDRN); in isr_txeom()
2222 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txeom()
2223 write_reg(info, SR1, (unsigned char)(UDRN + IDLE)); in isr_txeom()
2225 if ( info->tx_active ) { in isr_txeom()
2226 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txeom()
2228 info->icount.txunder++; in isr_txeom()
2230 info->icount.txok++; in isr_txeom()
2233 info->tx_active = false; in isr_txeom()
2234 info->tx_count = info->tx_put = info->tx_get = 0; in isr_txeom()
2236 del_timer(&info->tx_timer); in isr_txeom()
2238 if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done ) { in isr_txeom()
2239 info->serial_signals &= ~SerialSignal_RTS; in isr_txeom()
2240 info->drop_rts_on_tx_done = false; in isr_txeom()
2241 set_signals(info); in isr_txeom()
2245 if (info->netcount) in isr_txeom()
2246 hdlcdev_tx_done(info); in isr_txeom()
2250 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txeom()
2251 tx_stop(info); in isr_txeom()
2254 info->pending_bh |= BH_TRANSMIT; in isr_txeom()
2263 static void isr_txint(SLMP_INFO * info) in isr_txint() argument
2265 unsigned char status = read_reg(info, SR1) & info->ie1_value & (UDRN + IDLE + CCTS); in isr_txint()
2268 write_reg(info, SR1, status); in isr_txint()
2272 __FILE__,__LINE__,info->device_name,status); in isr_txint()
2275 isr_txeom(info, status); in isr_txint()
2281 get_signals( info ); in isr_txint()
2282 isr_io_pin(info, in isr_txint()
2283 MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS)); in isr_txint()
2291 static void isr_txrdy(SLMP_INFO * info) in isr_txrdy() argument
2295 __FILE__,__LINE__,info->device_name,info->tx_count); in isr_txrdy()
2297 if (info->params.mode != MGSL_MODE_ASYNC) { in isr_txrdy()
2299 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2300 info->ie1_value |= IDLE; in isr_txrdy()
2301 write_reg16(info, IE0, (unsigned short)((info->ie1_value << 8) + info->ie0_value)); in isr_txrdy()
2305 if (info->port.tty && (info->port.tty->stopped || info->port.tty->hw_stopped)) { in isr_txrdy()
2306 tx_stop(info); in isr_txrdy()
2310 if ( info->tx_count ) in isr_txrdy()
2311 tx_load_fifo( info ); in isr_txrdy()
2313 info->tx_active = false; in isr_txrdy()
2314 info->ie0_value &= ~TXRDYE; in isr_txrdy()
2315 write_reg(info, IE0, info->ie0_value); in isr_txrdy()
2318 if (info->tx_count < WAKEUP_CHARS) in isr_txrdy()
2319 info->pending_bh |= BH_TRANSMIT; in isr_txrdy()
2322 static void isr_rxdmaok(SLMP_INFO * info) in isr_rxdmaok() argument
2327 unsigned char status = read_reg(info,RXDMA + DSR) & 0xc0; in isr_rxdmaok()
2330 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaok()
2334 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaok()
2336 info->pending_bh |= BH_RECEIVE; in isr_rxdmaok()
2339 static void isr_rxdmaerror(SLMP_INFO * info) in isr_rxdmaerror() argument
2344 unsigned char status = read_reg(info,RXDMA + DSR) & 0x30; in isr_rxdmaerror()
2347 write_reg(info, RXDMA + DSR, (unsigned char)(status | 1)); in isr_rxdmaerror()
2351 __FILE__,__LINE__,info->device_name,status); in isr_rxdmaerror()
2353 info->rx_overflow = true; in isr_rxdmaerror()
2354 info->pending_bh |= BH_RECEIVE; in isr_rxdmaerror()
2357 static void isr_txdmaok(SLMP_INFO * info) in isr_txdmaok() argument
2359 unsigned char status_reg1 = read_reg(info, SR1); in isr_txdmaok()
2361 write_reg(info, TXDMA + DIR, 0x00); /* disable Tx DMA IRQs */ in isr_txdmaok()
2362 write_reg(info, TXDMA + DSR, 0xc0); /* clear IRQs and disable DMA */ in isr_txdmaok()
2363 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in isr_txdmaok()
2367 __FILE__,__LINE__,info->device_name,status_reg1); in isr_txdmaok()
2370 write_reg16(info, TRC0, 0); in isr_txdmaok()
2371 info->ie0_value |= TXRDYE; in isr_txdmaok()
2372 write_reg(info, IE0, info->ie0_value); in isr_txdmaok()
2375 static void isr_txdmaerror(SLMP_INFO * info) in isr_txdmaerror() argument
2380 unsigned char status = read_reg(info,TXDMA + DSR) & 0x30; in isr_txdmaerror()
2383 write_reg(info, TXDMA + DSR, (unsigned char)(status | 1)); in isr_txdmaerror()
2387 __FILE__,__LINE__,info->device_name,status); in isr_txdmaerror()
2392 static void isr_io_pin( SLMP_INFO *info, u16 status ) in isr_io_pin() argument
2402 icount = &info->icount; in isr_io_pin()
2407 info->input_signal_events.ri_up++; in isr_io_pin()
2409 info->input_signal_events.ri_down++; in isr_io_pin()
2414 info->input_signal_events.dsr_up++; in isr_io_pin()
2416 info->input_signal_events.dsr_down++; in isr_io_pin()
2419 if ((info->dcd_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2420 info->ie1_value &= ~CDCD; in isr_io_pin()
2421 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2425 info->input_signal_events.dcd_up++; in isr_io_pin()
2427 info->input_signal_events.dcd_down++; in isr_io_pin()
2429 if (info->netcount) { in isr_io_pin()
2431 netif_carrier_on(info->netdev); in isr_io_pin()
2433 netif_carrier_off(info->netdev); in isr_io_pin()
2439 if ((info->cts_chkcount)++ >= IO_PIN_SHUTDOWN_LIMIT) { in isr_io_pin()
2440 info->ie1_value &= ~CCTS; in isr_io_pin()
2441 write_reg(info, IE1, info->ie1_value); in isr_io_pin()
2445 info->input_signal_events.cts_up++; in isr_io_pin()
2447 info->input_signal_events.cts_down++; in isr_io_pin()
2449 wake_up_interruptible(&info->status_event_wait_q); in isr_io_pin()
2450 wake_up_interruptible(&info->event_wait_q); in isr_io_pin()
2452 if (tty_port_check_carrier(&info->port) && in isr_io_pin()
2455 printk("%s CD now %s...", info->device_name, in isr_io_pin()
2458 wake_up_interruptible(&info->port.open_wait); in isr_io_pin()
2462 if (info->port.tty) in isr_io_pin()
2463 tty_hangup(info->port.tty); in isr_io_pin()
2467 if (tty_port_cts_enabled(&info->port) && in isr_io_pin()
2469 if ( info->port.tty ) { in isr_io_pin()
2470 if (info->port.tty->hw_stopped) { in isr_io_pin()
2474 info->port.tty->hw_stopped = 0; in isr_io_pin()
2475 tx_start(info); in isr_io_pin()
2476 info->pending_bh |= BH_TRANSMIT; in isr_io_pin()
2483 info->port.tty->hw_stopped = 1; in isr_io_pin()
2484 tx_stop(info); in isr_io_pin()
2491 info->pending_bh |= BH_STATUS; in isr_io_pin()
2503 SLMP_INFO *info = dev_id; in synclinkmp_interrupt() local
2513 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2515 spin_lock(&info->lock); in synclinkmp_interrupt()
2520 tmp = read_reg16(info, ISR0); /* get ISR0 and ISR1 in one read */ in synclinkmp_interrupt()
2523 timerstatus0 = read_reg(info, ISR2); in synclinkmp_interrupt()
2527 __FILE__, __LINE__, info->device_name, in synclinkmp_interrupt()
2530 if (info->port_count == 4) { in synclinkmp_interrupt()
2532 tmp = read_reg16(info->port_array[2], ISR0); in synclinkmp_interrupt()
2535 timerstatus1 = read_reg(info->port_array[2], ISR2); in synclinkmp_interrupt()
2539 __FILE__,__LINE__,info->device_name, in synclinkmp_interrupt()
2547 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2548 if (info->port_array[i] == NULL) in synclinkmp_interrupt()
2561 isr_rxrdy(info->port_array[i]); in synclinkmp_interrupt()
2563 isr_txrdy(info->port_array[i]); in synclinkmp_interrupt()
2565 isr_rxint(info->port_array[i]); in synclinkmp_interrupt()
2567 isr_txint(info->port_array[i]); in synclinkmp_interrupt()
2570 isr_rxdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2572 isr_rxdmaok(info->port_array[i]); in synclinkmp_interrupt()
2574 isr_txdmaerror(info->port_array[i]); in synclinkmp_interrupt()
2576 isr_txdmaok(info->port_array[i]); in synclinkmp_interrupt()
2580 isr_timer(info->port_array[0]); in synclinkmp_interrupt()
2582 isr_timer(info->port_array[1]); in synclinkmp_interrupt()
2584 isr_timer(info->port_array[2]); in synclinkmp_interrupt()
2586 isr_timer(info->port_array[3]); in synclinkmp_interrupt()
2589 for(i=0; i < info->port_count ; i++) { in synclinkmp_interrupt()
2590 SLMP_INFO * port = info->port_array[i]; in synclinkmp_interrupt()
2610 spin_unlock(&info->lock); in synclinkmp_interrupt()
2614 __FILE__, __LINE__, info->irq_level); in synclinkmp_interrupt()
2620 static int startup(SLMP_INFO * info) in startup() argument
2623 printk("%s(%d):%s tx_releaseup()\n",__FILE__,__LINE__,info->device_name); in startup()
2625 if (tty_port_initialized(&info->port)) in startup()
2628 if (!info->tx_buf) { in startup()
2629 info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in startup()
2630 if (!info->tx_buf) { in startup()
2632 __FILE__,__LINE__,info->device_name); in startup()
2637 info->pending_bh = 0; in startup()
2639 memset(&info->icount, 0, sizeof(info->icount)); in startup()
2642 reset_port(info); in startup()
2644 change_params(info); in startup()
2646 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in startup()
2648 if (info->port.tty) in startup()
2649 clear_bit(TTY_IO_ERROR, &info->port.tty->flags); in startup()
2651 tty_port_set_initialized(&info->port, 1); in startup()
2658 static void shutdown(SLMP_INFO * info) in shutdown() argument
2662 if (!tty_port_initialized(&info->port)) in shutdown()
2667 __FILE__,__LINE__, info->device_name ); in shutdown()
2671 wake_up_interruptible(&info->status_event_wait_q); in shutdown()
2672 wake_up_interruptible(&info->event_wait_q); in shutdown()
2674 del_timer(&info->tx_timer); in shutdown()
2675 del_timer(&info->status_timer); in shutdown()
2677 kfree(info->tx_buf); in shutdown()
2678 info->tx_buf = NULL; in shutdown()
2680 spin_lock_irqsave(&info->lock,flags); in shutdown()
2682 reset_port(info); in shutdown()
2684 if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) { in shutdown()
2685 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in shutdown()
2686 set_signals(info); in shutdown()
2689 spin_unlock_irqrestore(&info->lock,flags); in shutdown()
2691 if (info->port.tty) in shutdown()
2692 set_bit(TTY_IO_ERROR, &info->port.tty->flags); in shutdown()
2694 tty_port_set_initialized(&info->port, 0); in shutdown()
2697 static void program_hw(SLMP_INFO *info) in program_hw() argument
2701 spin_lock_irqsave(&info->lock,flags); in program_hw()
2703 rx_stop(info); in program_hw()
2704 tx_stop(info); in program_hw()
2706 info->tx_count = info->tx_put = info->tx_get = 0; in program_hw()
2708 if (info->params.mode == MGSL_MODE_HDLC || info->netcount) in program_hw()
2709 hdlc_mode(info); in program_hw()
2711 async_mode(info); in program_hw()
2713 set_signals(info); in program_hw()
2715 info->dcd_chkcount = 0; in program_hw()
2716 info->cts_chkcount = 0; in program_hw()
2717 info->ri_chkcount = 0; in program_hw()
2718 info->dsr_chkcount = 0; in program_hw()
2720 info->ie1_value |= (CDCD|CCTS); in program_hw()
2721 write_reg(info, IE1, info->ie1_value); in program_hw()
2723 get_signals(info); in program_hw()
2725 if (info->netcount || (info->port.tty && info->port.tty->termios.c_cflag & CREAD) ) in program_hw()
2726 rx_start(info); in program_hw()
2728 spin_unlock_irqrestore(&info->lock,flags); in program_hw()
2733 static void change_params(SLMP_INFO *info) in change_params() argument
2738 if (!info->port.tty) in change_params()
2743 __FILE__,__LINE__, info->device_name ); in change_params()
2745 cflag = info->port.tty->termios.c_cflag; in change_params()
2750 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in change_params()
2752 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in change_params()
2757 case CS5: info->params.data_bits = 5; break; in change_params()
2758 case CS6: info->params.data_bits = 6; break; in change_params()
2759 case CS7: info->params.data_bits = 7; break; in change_params()
2760 case CS8: info->params.data_bits = 8; break; in change_params()
2762 default: info->params.data_bits = 7; break; in change_params()
2766 info->params.stop_bits = 2; in change_params()
2768 info->params.stop_bits = 1; in change_params()
2770 info->params.parity = ASYNC_PARITY_NONE; in change_params()
2773 info->params.parity = ASYNC_PARITY_ODD; in change_params()
2775 info->params.parity = ASYNC_PARITY_EVEN; in change_params()
2778 info->params.parity = ASYNC_PARITY_SPACE; in change_params()
2785 bits_per_char = info->params.data_bits + in change_params()
2786 info->params.stop_bits + 1; in change_params()
2792 if (info->params.data_rate <= 460800) { in change_params()
2793 info->params.data_rate = tty_get_baud_rate(info->port.tty); in change_params()
2796 if ( info->params.data_rate ) { in change_params()
2797 info->timeout = (32*HZ*bits_per_char) / in change_params()
2798 info->params.data_rate; in change_params()
2800 info->timeout += HZ/50; /* Add .02 seconds of slop */ in change_params()
2802 tty_port_set_cts_flow(&info->port, cflag & CRTSCTS); in change_params()
2803 tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL); in change_params()
2807 info->read_status_mask2 = OVRN; in change_params()
2808 if (I_INPCK(info->port.tty)) in change_params()
2809 info->read_status_mask2 |= PE | FRME; in change_params()
2810 if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) in change_params()
2811 info->read_status_mask1 |= BRKD; in change_params()
2812 if (I_IGNPAR(info->port.tty)) in change_params()
2813 info->ignore_status_mask2 |= PE | FRME; in change_params()
2814 if (I_IGNBRK(info->port.tty)) { in change_params()
2815 info->ignore_status_mask1 |= BRKD; in change_params()
2819 if (I_IGNPAR(info->port.tty)) in change_params()
2820 info->ignore_status_mask2 |= OVRN; in change_params()
2823 program_hw(info); in change_params()
2826 static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount) in get_stats() argument
2832 __FILE__,__LINE__, info->device_name); in get_stats()
2835 memset(&info->icount, 0, sizeof(info->icount)); in get_stats()
2837 mutex_lock(&info->port.mutex); in get_stats()
2838 COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); in get_stats()
2839 mutex_unlock(&info->port.mutex); in get_stats()
2847 static int get_params(SLMP_INFO * info, MGSL_PARAMS __user *user_params) in get_params() argument
2852 __FILE__,__LINE__, info->device_name); in get_params()
2854 mutex_lock(&info->port.mutex); in get_params()
2855 COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); in get_params()
2856 mutex_unlock(&info->port.mutex); in get_params()
2860 __FILE__,__LINE__,info->device_name); in get_params()
2867 static int set_params(SLMP_INFO * info, MGSL_PARAMS __user *new_params) in set_params() argument
2875 __FILE__,__LINE__,info->device_name ); in set_params()
2880 __FILE__,__LINE__,info->device_name); in set_params()
2884 mutex_lock(&info->port.mutex); in set_params()
2885 spin_lock_irqsave(&info->lock,flags); in set_params()
2886 memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); in set_params()
2887 spin_unlock_irqrestore(&info->lock,flags); in set_params()
2889 change_params(info); in set_params()
2890 mutex_unlock(&info->port.mutex); in set_params()
2895 static int get_txidle(SLMP_INFO * info, int __user *idle_mode) in get_txidle() argument
2901 __FILE__,__LINE__, info->device_name, info->idle_mode); in get_txidle()
2903 COPY_TO_USER(err,idle_mode, &info->idle_mode, sizeof(int)); in get_txidle()
2907 __FILE__,__LINE__,info->device_name); in get_txidle()
2914 static int set_txidle(SLMP_INFO * info, int idle_mode) in set_txidle() argument
2920 __FILE__,__LINE__,info->device_name, idle_mode ); in set_txidle()
2922 spin_lock_irqsave(&info->lock,flags); in set_txidle()
2923 info->idle_mode = idle_mode; in set_txidle()
2924 tx_set_idle( info ); in set_txidle()
2925 spin_unlock_irqrestore(&info->lock,flags); in set_txidle()
2929 static int tx_enable(SLMP_INFO * info, int enable) in tx_enable() argument
2935 __FILE__,__LINE__,info->device_name, enable); in tx_enable()
2937 spin_lock_irqsave(&info->lock,flags); in tx_enable()
2939 if ( !info->tx_enabled ) { in tx_enable()
2940 tx_start(info); in tx_enable()
2943 if ( info->tx_enabled ) in tx_enable()
2944 tx_stop(info); in tx_enable()
2946 spin_unlock_irqrestore(&info->lock,flags); in tx_enable()
2952 static int tx_abort(SLMP_INFO * info) in tx_abort() argument
2958 __FILE__,__LINE__,info->device_name); in tx_abort()
2960 spin_lock_irqsave(&info->lock,flags); in tx_abort()
2961 if ( info->tx_active && info->params.mode == MGSL_MODE_HDLC ) { in tx_abort()
2962 info->ie1_value &= ~UDRN; in tx_abort()
2963 info->ie1_value |= IDLE; in tx_abort()
2964 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_abort()
2965 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_abort()
2967 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_abort()
2968 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_abort()
2970 write_reg(info, CMD, TXABORT); in tx_abort()
2972 spin_unlock_irqrestore(&info->lock,flags); in tx_abort()
2976 static int rx_enable(SLMP_INFO * info, int enable) in rx_enable() argument
2982 __FILE__,__LINE__,info->device_name,enable); in rx_enable()
2984 spin_lock_irqsave(&info->lock,flags); in rx_enable()
2986 if ( !info->rx_enabled ) in rx_enable()
2987 rx_start(info); in rx_enable()
2989 if ( info->rx_enabled ) in rx_enable()
2990 rx_stop(info); in rx_enable()
2992 spin_unlock_irqrestore(&info->lock,flags); in rx_enable()
2998 static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr) in wait_mgsl_event() argument
3016 __FILE__,__LINE__,info->device_name,mask); in wait_mgsl_event()
3018 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3021 get_signals(info); in wait_mgsl_event()
3022 s = info->serial_signals; in wait_mgsl_event()
3030 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3035 cprev = info->icount; in wait_mgsl_event()
3036 oldsigs = info->input_signal_events; in wait_mgsl_event()
3040 unsigned char oldval = info->ie1_value; in wait_mgsl_event()
3045 info->ie1_value = newval; in wait_mgsl_event()
3046 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3051 add_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3053 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3063 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3064 cnow = info->icount; in wait_mgsl_event()
3065 newsigs = info->input_signal_events; in wait_mgsl_event()
3067 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3102 remove_wait_queue(&info->event_wait_q, &wait); in wait_mgsl_event()
3107 spin_lock_irqsave(&info->lock,flags); in wait_mgsl_event()
3108 if (!waitqueue_active(&info->event_wait_q)) { in wait_mgsl_event()
3110 info->ie1_value &= ~(FLGD|IDLD); in wait_mgsl_event()
3111 write_reg(info, IE1, info->ie1_value); in wait_mgsl_event()
3113 spin_unlock_irqrestore(&info->lock,flags); in wait_mgsl_event()
3122 static int modem_input_wait(SLMP_INFO *info,int arg) in modem_input_wait() argument
3130 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3131 cprev = info->icount; in modem_input_wait()
3132 add_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3134 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3144 spin_lock_irqsave(&info->lock,flags); in modem_input_wait()
3145 cnow = info->icount; in modem_input_wait()
3147 spin_unlock_irqrestore(&info->lock,flags); in modem_input_wait()
3167 remove_wait_queue(&info->status_event_wait_q, &wait); in modem_input_wait()
3176 SLMP_INFO *info = tty->driver_data; in tiocmget() local
3180 spin_lock_irqsave(&info->lock,flags); in tiocmget()
3181 get_signals(info); in tiocmget()
3182 spin_unlock_irqrestore(&info->lock,flags); in tiocmget()
3184 result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS : 0) | in tiocmget()
3185 ((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR : 0) | in tiocmget()
3186 ((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR : 0) | in tiocmget()
3187 ((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG : 0) | in tiocmget()
3188 ((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR : 0) | in tiocmget()
3189 ((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS : 0); in tiocmget()
3193 __FILE__,__LINE__, info->device_name, result ); in tiocmget()
3202 SLMP_INFO *info = tty->driver_data; in tiocmset() local
3207 __FILE__,__LINE__,info->device_name, set, clear); in tiocmset()
3210 info->serial_signals |= SerialSignal_RTS; in tiocmset()
3212 info->serial_signals |= SerialSignal_DTR; in tiocmset()
3214 info->serial_signals &= ~SerialSignal_RTS; in tiocmset()
3216 info->serial_signals &= ~SerialSignal_DTR; in tiocmset()
3218 spin_lock_irqsave(&info->lock,flags); in tiocmset()
3219 set_signals(info); in tiocmset()
3220 spin_unlock_irqrestore(&info->lock,flags); in tiocmset()
3227 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in carrier_raised() local
3230 spin_lock_irqsave(&info->lock,flags); in carrier_raised()
3231 get_signals(info); in carrier_raised()
3232 spin_unlock_irqrestore(&info->lock,flags); in carrier_raised()
3234 return (info->serial_signals & SerialSignal_DCD) ? 1 : 0; in carrier_raised()
3239 SLMP_INFO *info = container_of(port, SLMP_INFO, port); in dtr_rts() local
3242 spin_lock_irqsave(&info->lock,flags); in dtr_rts()
3244 info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; in dtr_rts()
3246 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in dtr_rts()
3247 set_signals(info); in dtr_rts()
3248 spin_unlock_irqrestore(&info->lock,flags); in dtr_rts()
3254 SLMP_INFO *info) in block_til_ready() argument
3261 struct tty_port *port = &info->port; in block_til_ready()
3291 spin_lock_irqsave(&info->lock, flags); in block_til_ready()
3293 spin_unlock_irqrestore(&info->lock, flags); in block_til_ready()
3342 static int alloc_dma_bufs(SLMP_INFO *info) in alloc_dma_bufs() argument
3352 info->port_array[0]->last_mem_alloc = (SCA_MEM_SIZE/4) * info->port_num; in alloc_dma_bufs()
3359 BuffersPerFrame = (unsigned short)(info->max_frame_size/SCABUFSIZE); in alloc_dma_bufs()
3360 if ( info->max_frame_size % SCABUFSIZE ) in alloc_dma_bufs()
3374 info->tx_buf_count = BuffersPerFrame + 1; in alloc_dma_bufs()
3377 if (info->tx_buf_count > (BufferCount/2)) in alloc_dma_bufs()
3378 info->tx_buf_count = BufferCount/2; in alloc_dma_bufs()
3380 if (info->tx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3381 info->tx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3384 info->rx_buf_count = BufferCount - info->tx_buf_count; in alloc_dma_bufs()
3386 if (info->rx_buf_count > SCAMAXDESC) in alloc_dma_bufs()
3387 info->rx_buf_count = SCAMAXDESC; in alloc_dma_bufs()
3391 __FILE__,__LINE__, info->device_name, in alloc_dma_bufs()
3392 info->tx_buf_count,info->rx_buf_count); in alloc_dma_bufs()
3394 if ( alloc_buf_list( info ) < 0 || in alloc_dma_bufs()
3395 alloc_frame_bufs(info, in alloc_dma_bufs()
3396 info->rx_buf_list, in alloc_dma_bufs()
3397 info->rx_buf_list_ex, in alloc_dma_bufs()
3398 info->rx_buf_count) < 0 || in alloc_dma_bufs()
3399 alloc_frame_bufs(info, in alloc_dma_bufs()
3400 info->tx_buf_list, in alloc_dma_bufs()
3401 info->tx_buf_list_ex, in alloc_dma_bufs()
3402 info->tx_buf_count) < 0 || in alloc_dma_bufs()
3403 alloc_tmp_rx_buf(info) < 0 ) { in alloc_dma_bufs()
3405 __FILE__,__LINE__, info->device_name); in alloc_dma_bufs()
3409 rx_reset_buffers( info ); in alloc_dma_bufs()
3416 static int alloc_buf_list(SLMP_INFO *info) in alloc_buf_list() argument
3421 info->buffer_list = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3422 info->buffer_list_phys = info->port_array[0]->last_mem_alloc; in alloc_buf_list()
3423 info->port_array[0]->last_mem_alloc += BUFFERLISTSIZE; in alloc_buf_list()
3425 memset(info->buffer_list, 0, BUFFERLISTSIZE); in alloc_buf_list()
3430 info->rx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3432 info->tx_buf_list = (SCADESC *)info->buffer_list; in alloc_buf_list()
3433 info->tx_buf_list += info->rx_buf_count; in alloc_buf_list()
3441 for ( i = 0; i < info->rx_buf_count; i++ ) { in alloc_buf_list()
3443 info->rx_buf_list_ex[i].phys_entry = in alloc_buf_list()
3444 info->buffer_list_phys + (i * SCABUFSIZE); in alloc_buf_list()
3448 info->rx_buf_list[i].next = info->buffer_list_phys; in alloc_buf_list()
3449 if ( i < info->rx_buf_count - 1 ) in alloc_buf_list()
3450 info->rx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3452 info->rx_buf_list[i].length = SCABUFSIZE; in alloc_buf_list()
3455 for ( i = 0; i < info->tx_buf_count; i++ ) { in alloc_buf_list()
3457 info->tx_buf_list_ex[i].phys_entry = info->buffer_list_phys + in alloc_buf_list()
3458 ((info->rx_buf_count + i) * sizeof(SCADESC)); in alloc_buf_list()
3463 info->tx_buf_list[i].next = info->buffer_list_phys + in alloc_buf_list()
3464 info->rx_buf_count * sizeof(SCADESC); in alloc_buf_list()
3466 if ( i < info->tx_buf_count - 1 ) in alloc_buf_list()
3467 info->tx_buf_list[i].next += (i + 1) * sizeof(SCADESC); in alloc_buf_list()
3475 static int alloc_frame_bufs(SLMP_INFO *info, SCADESC *buf_list,SCADESC_EX *buf_list_ex,int count) in alloc_frame_bufs() argument
3481 buf_list_ex[i].virt_addr = info->memory_base + info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3482 phys_addr = info->port_array[0]->last_mem_alloc; in alloc_frame_bufs()
3483 info->port_array[0]->last_mem_alloc += SCABUFSIZE; in alloc_frame_bufs()
3492 static void free_dma_bufs(SLMP_INFO *info) in free_dma_bufs() argument
3494 info->buffer_list = NULL; in free_dma_bufs()
3495 info->rx_buf_list = NULL; in free_dma_bufs()
3496 info->tx_buf_list = NULL; in free_dma_bufs()
3502 static int alloc_tmp_rx_buf(SLMP_INFO *info) in alloc_tmp_rx_buf() argument
3504 info->tmp_rx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3505 if (info->tmp_rx_buf == NULL) in alloc_tmp_rx_buf()
3508 info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL); in alloc_tmp_rx_buf()
3509 if (!info->flag_buf) { in alloc_tmp_rx_buf()
3510 kfree(info->tmp_rx_buf); in alloc_tmp_rx_buf()
3511 info->tmp_rx_buf = NULL; in alloc_tmp_rx_buf()
3517 static void free_tmp_rx_buf(SLMP_INFO *info) in free_tmp_rx_buf() argument
3519 kfree(info->tmp_rx_buf); in free_tmp_rx_buf()
3520 info->tmp_rx_buf = NULL; in free_tmp_rx_buf()
3521 kfree(info->flag_buf); in free_tmp_rx_buf()
3522 info->flag_buf = NULL; in free_tmp_rx_buf()
3525 static int claim_resources(SLMP_INFO *info) in claim_resources() argument
3527 if (request_mem_region(info->phys_memory_base,SCA_MEM_SIZE,"synclinkmp") == NULL) { in claim_resources()
3529 __FILE__,__LINE__,info->device_name, info->phys_memory_base); in claim_resources()
3530 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3534 info->shared_mem_requested = true; in claim_resources()
3536 if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclinkmp") == NULL) { in claim_resources()
3538 __FILE__,__LINE__,info->device_name, info->phys_lcr_base); in claim_resources()
3539 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3543 info->lcr_mem_requested = true; in claim_resources()
3545 …if (request_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE,"synclinkmp") == NULL)… in claim_resources()
3547 __FILE__,__LINE__,info->device_name, info->phys_sca_base); in claim_resources()
3548 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3552 info->sca_base_requested = true; in claim_resources()
3554 …if (request_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE,"synclinkmp")… in claim_resources()
3556 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base); in claim_resources()
3557 info->init_error = DiagStatus_AddressConflict; in claim_resources()
3561 info->sca_statctrl_requested = true; in claim_resources()
3563 info->memory_base = ioremap_nocache(info->phys_memory_base, in claim_resources()
3565 if (!info->memory_base) { in claim_resources()
3567 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3568 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3572 info->lcr_base = ioremap_nocache(info->phys_lcr_base, PAGE_SIZE); in claim_resources()
3573 if (!info->lcr_base) { in claim_resources()
3575 __FILE__,__LINE__,info->device_name, info->phys_lcr_base ); in claim_resources()
3576 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3579 info->lcr_base += info->lcr_offset; in claim_resources()
3581 info->sca_base = ioremap_nocache(info->phys_sca_base, PAGE_SIZE); in claim_resources()
3582 if (!info->sca_base) { in claim_resources()
3584 __FILE__,__LINE__,info->device_name, info->phys_sca_base ); in claim_resources()
3585 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3588 info->sca_base += info->sca_offset; in claim_resources()
3590 info->statctrl_base = ioremap_nocache(info->phys_statctrl_base, in claim_resources()
3592 if (!info->statctrl_base) { in claim_resources()
3594 __FILE__,__LINE__,info->device_name, info->phys_statctrl_base ); in claim_resources()
3595 info->init_error = DiagStatus_CantAssignPciResources; in claim_resources()
3598 info->statctrl_base += info->statctrl_offset; in claim_resources()
3600 if ( !memory_test(info) ) { in claim_resources()
3602 __FILE__,__LINE__,info->device_name, info->phys_memory_base ); in claim_resources()
3603 info->init_error = DiagStatus_MemoryError; in claim_resources()
3610 release_resources( info ); in claim_resources()
3614 static void release_resources(SLMP_INFO *info) in release_resources() argument
3618 __FILE__,__LINE__,info->device_name ); in release_resources()
3620 if ( info->irq_requested ) { in release_resources()
3621 free_irq(info->irq_level, info); in release_resources()
3622 info->irq_requested = false; in release_resources()
3625 if ( info->shared_mem_requested ) { in release_resources()
3626 release_mem_region(info->phys_memory_base,SCA_MEM_SIZE); in release_resources()
3627 info->shared_mem_requested = false; in release_resources()
3629 if ( info->lcr_mem_requested ) { in release_resources()
3630 release_mem_region(info->phys_lcr_base + info->lcr_offset,128); in release_resources()
3631 info->lcr_mem_requested = false; in release_resources()
3633 if ( info->sca_base_requested ) { in release_resources()
3634 release_mem_region(info->phys_sca_base + info->sca_offset,SCA_BASE_SIZE); in release_resources()
3635 info->sca_base_requested = false; in release_resources()
3637 if ( info->sca_statctrl_requested ) { in release_resources()
3638 release_mem_region(info->phys_statctrl_base + info->statctrl_offset,SCA_REG_SIZE); in release_resources()
3639 info->sca_statctrl_requested = false; in release_resources()
3642 if (info->memory_base){ in release_resources()
3643 iounmap(info->memory_base); in release_resources()
3644 info->memory_base = NULL; in release_resources()
3647 if (info->sca_base) { in release_resources()
3648 iounmap(info->sca_base - info->sca_offset); in release_resources()
3649 info->sca_base=NULL; in release_resources()
3652 if (info->statctrl_base) { in release_resources()
3653 iounmap(info->statctrl_base - info->statctrl_offset); in release_resources()
3654 info->statctrl_base=NULL; in release_resources()
3657 if (info->lcr_base){ in release_resources()
3658 iounmap(info->lcr_base - info->lcr_offset); in release_resources()
3659 info->lcr_base = NULL; in release_resources()
3664 __FILE__,__LINE__,info->device_name ); in release_resources()
3670 static int add_device(SLMP_INFO *info) in add_device() argument
3672 info->next_device = NULL; in add_device()
3673 info->line = synclinkmp_device_count; in add_device()
3674 sprintf(info->device_name,"ttySLM%dp%d",info->adapter_num,info->port_num); in add_device()
3676 if (info->line < MAX_DEVICES) { in add_device()
3677 if (maxframe[info->line]) in add_device()
3678 info->max_frame_size = maxframe[info->line]; in add_device()
3684 synclinkmp_device_list = info; in add_device()
3689 current_dev->next_device = info; in add_device()
3692 if ( info->max_frame_size < 4096 ) in add_device()
3693 info->max_frame_size = 4096; in add_device()
3694 else if ( info->max_frame_size > 65535 ) in add_device()
3695 info->max_frame_size = 65535; in add_device()
3699 info->device_name, in add_device()
3700 info->phys_sca_base, in add_device()
3701 info->phys_memory_base, in add_device()
3702 info->phys_statctrl_base, in add_device()
3703 info->phys_lcr_base, in add_device()
3704 info->irq_level, in add_device()
3705 info->max_frame_size ); in add_device()
3708 return hdlcdev_init(info); in add_device()
3725 SLMP_INFO *info; in alloc_dev() local
3727 info = kzalloc(sizeof(SLMP_INFO), in alloc_dev()
3730 if (!info) { in alloc_dev()
3734 tty_port_init(&info->port); in alloc_dev()
3735 info->port.ops = &port_ops; in alloc_dev()
3736 info->magic = MGSL_MAGIC; in alloc_dev()
3737 INIT_WORK(&info->task, bh_handler); in alloc_dev()
3738 info->max_frame_size = 4096; in alloc_dev()
3739 info->port.close_delay = 5*HZ/10; in alloc_dev()
3740 info->port.closing_wait = 30*HZ; in alloc_dev()
3741 init_waitqueue_head(&info->status_event_wait_q); in alloc_dev()
3742 init_waitqueue_head(&info->event_wait_q); in alloc_dev()
3743 spin_lock_init(&info->netlock); in alloc_dev()
3744 memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS)); in alloc_dev()
3745 info->idle_mode = HDLC_TXIDLE_FLAGS; in alloc_dev()
3746 info->adapter_num = adapter_num; in alloc_dev()
3747 info->port_num = port_num; in alloc_dev()
3750 info->irq_level = pdev->irq; in alloc_dev()
3751 info->phys_lcr_base = pci_resource_start(pdev,0); in alloc_dev()
3752 info->phys_sca_base = pci_resource_start(pdev,2); in alloc_dev()
3753 info->phys_memory_base = pci_resource_start(pdev,3); in alloc_dev()
3754 info->phys_statctrl_base = pci_resource_start(pdev,4); in alloc_dev()
3760 info->lcr_offset = info->phys_lcr_base & (PAGE_SIZE-1); in alloc_dev()
3761 info->phys_lcr_base &= ~(PAGE_SIZE-1); in alloc_dev()
3763 info->sca_offset = info->phys_sca_base & (PAGE_SIZE-1); in alloc_dev()
3764 info->phys_sca_base &= ~(PAGE_SIZE-1); in alloc_dev()
3766 info->statctrl_offset = info->phys_statctrl_base & (PAGE_SIZE-1); in alloc_dev()
3767 info->phys_statctrl_base &= ~(PAGE_SIZE-1); in alloc_dev()
3769 info->bus_type = MGSL_BUS_TYPE_PCI; in alloc_dev()
3770 info->irq_flags = IRQF_SHARED; in alloc_dev()
3772 timer_setup(&info->tx_timer, tx_timeout, 0); in alloc_dev()
3773 timer_setup(&info->status_timer, status_timeout, 0); in alloc_dev()
3784 info->misc_ctrl_value = 0x087e4546; in alloc_dev()
3792 info->init_error = -1; in alloc_dev()
3795 return info; in alloc_dev()
3896 SLMP_INFO *info; in synclinkmp_cleanup() local
3910 info = synclinkmp_device_list; in synclinkmp_cleanup()
3911 while(info) { in synclinkmp_cleanup()
3912 reset_port(info); in synclinkmp_cleanup()
3913 info = info->next_device; in synclinkmp_cleanup()
3917 info = synclinkmp_device_list; in synclinkmp_cleanup()
3918 while(info) { in synclinkmp_cleanup()
3920 hdlcdev_exit(info); in synclinkmp_cleanup()
3922 free_dma_bufs(info); in synclinkmp_cleanup()
3923 free_tmp_rx_buf(info); in synclinkmp_cleanup()
3924 if ( info->port_num == 0 ) { in synclinkmp_cleanup()
3925 if (info->sca_base) in synclinkmp_cleanup()
3926 write_reg(info, LPR, 1); /* set low power mode */ in synclinkmp_cleanup()
3927 release_resources(info); in synclinkmp_cleanup()
3929 tmp = info; in synclinkmp_cleanup()
3930 info = info->next_device; in synclinkmp_cleanup()
4009 static void enable_loopback(SLMP_INFO *info, int enable) in enable_loopback() argument
4015 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) | (BIT1 + BIT0))); in enable_loopback()
4018 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in enable_loopback()
4019 write_control_reg(info); in enable_loopback()
4026 write_reg(info, RXS, 0x40); in enable_loopback()
4027 write_reg(info, TXS, 0x40); in enable_loopback()
4033 write_reg(info, MD2, (unsigned char)(read_reg(info, MD2) & ~(BIT1 + BIT0))); in enable_loopback()
4040 write_reg(info, RXS, 0x00); in enable_loopback()
4041 write_reg(info, TXS, 0x00); in enable_loopback()
4045 if (info->params.clock_speed) in enable_loopback()
4046 set_rate(info, info->params.clock_speed); in enable_loopback()
4048 set_rate(info, 3686400); in enable_loopback()
4056 static void set_rate( SLMP_INFO *info, u32 data_rate ) in set_rate() argument
4087 write_reg(info, TXS, in set_rate()
4088 (unsigned char)((read_reg(info, TXS) & 0xf0) | BRValue)); in set_rate()
4089 write_reg(info, RXS, in set_rate()
4090 (unsigned char)((read_reg(info, RXS) & 0xf0) | BRValue)); in set_rate()
4091 write_reg(info, TMC, (unsigned char)TMCValue); in set_rate()
4094 write_reg(info, TXS,0); in set_rate()
4095 write_reg(info, RXS,0); in set_rate()
4096 write_reg(info, TMC, 0); in set_rate()
4102 static void rx_stop(SLMP_INFO *info) in rx_stop() argument
4106 __FILE__,__LINE__, info->device_name ); in rx_stop()
4108 write_reg(info, CMD, RXRESET); in rx_stop()
4110 info->ie0_value &= ~RXRDYE; in rx_stop()
4111 write_reg(info, IE0, info->ie0_value); /* disable Rx data interrupts */ in rx_stop()
4113 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_stop()
4114 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_stop()
4115 write_reg(info, RXDMA + DIR, 0); /* disable Rx DMA interrupts */ in rx_stop()
4117 info->rx_enabled = false; in rx_stop()
4118 info->rx_overflow = false; in rx_stop()
4123 static void rx_start(SLMP_INFO *info) in rx_start() argument
4129 __FILE__,__LINE__, info->device_name ); in rx_start()
4131 write_reg(info, CMD, RXRESET); in rx_start()
4133 if ( info->params.mode == MGSL_MODE_HDLC ) { in rx_start()
4135 info->ie0_value &= ~RXRDYE; in rx_start()
4136 write_reg(info, IE0, info->ie0_value); in rx_start()
4139 write_reg(info, RXDMA + DSR, 0); /* disable Rx DMA */ in rx_start()
4140 write_reg(info, RXDMA + DCMD, SWABORT); /* reset/init Rx DMA */ in rx_start()
4142 for (i = 0; i < info->rx_buf_count; i++) { in rx_start()
4143 info->rx_buf_list[i].status = 0xff; in rx_start()
4148 read_status_reg(info); in rx_start()
4150 info->current_rx_buf = 0; in rx_start()
4153 write_reg16(info, RXDMA + CDA, in rx_start()
4154 info->rx_buf_list_ex[0].phys_entry); in rx_start()
4157 write_reg16(info, RXDMA + EDA, in rx_start()
4158 info->rx_buf_list_ex[info->rx_buf_count - 1].phys_entry); in rx_start()
4161 write_reg16(info, RXDMA + BFL, SCABUFSIZE); in rx_start()
4163 write_reg(info, RXDMA + DIR, 0x60); /* enable Rx DMA interrupts (EOM/BOF) */ in rx_start()
4164 write_reg(info, RXDMA + DSR, 0xf2); /* clear Rx DMA IRQs, enable Rx DMA */ in rx_start()
4167 info->ie0_value |= RXRDYE; in rx_start()
4168 write_reg(info, IE0, info->ie0_value); in rx_start()
4171 write_reg(info, CMD, RXENABLE); in rx_start()
4173 info->rx_overflow = false; in rx_start()
4174 info->rx_enabled = true; in rx_start()
4180 static void tx_start(SLMP_INFO *info) in tx_start() argument
4184 __FILE__,__LINE__, info->device_name,info->tx_count ); in tx_start()
4186 if (!info->tx_enabled ) { in tx_start()
4187 write_reg(info, CMD, TXRESET); in tx_start()
4188 write_reg(info, CMD, TXENABLE); in tx_start()
4189 info->tx_enabled = true; in tx_start()
4192 if ( info->tx_count ) { in tx_start()
4198 info->drop_rts_on_tx_done = false; in tx_start()
4200 if (info->params.mode != MGSL_MODE_ASYNC) { in tx_start()
4202 if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) { in tx_start()
4203 get_signals( info ); in tx_start()
4204 if ( !(info->serial_signals & SerialSignal_RTS) ) { in tx_start()
4205 info->serial_signals |= SerialSignal_RTS; in tx_start()
4206 set_signals( info ); in tx_start()
4207 info->drop_rts_on_tx_done = true; in tx_start()
4211 write_reg16(info, TRC0, in tx_start()
4214 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_start()
4215 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_start()
4218 write_reg16(info, TXDMA + CDA, in tx_start()
4219 info->tx_buf_list_ex[0].phys_entry); in tx_start()
4222 write_reg16(info, TXDMA + EDA, in tx_start()
4223 info->tx_buf_list_ex[info->last_tx_buf].phys_entry); in tx_start()
4226 info->ie1_value &= ~IDLE; in tx_start()
4227 info->ie1_value |= UDRN; in tx_start()
4228 write_reg(info, IE1, info->ie1_value); in tx_start()
4229 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); in tx_start()
4231 write_reg(info, TXDMA + DIR, 0x40); /* enable Tx DMA interrupts (EOM) */ in tx_start()
4232 write_reg(info, TXDMA + DSR, 0xf2); /* clear Tx DMA IRQs, enable Tx DMA */ in tx_start()
4234 mod_timer(&info->tx_timer, jiffies + in tx_start()
4238 tx_load_fifo(info); in tx_start()
4240 info->ie0_value |= TXRDYE; in tx_start()
4241 write_reg(info, IE0, info->ie0_value); in tx_start()
4244 info->tx_active = true; in tx_start()
4250 static void tx_stop( SLMP_INFO *info ) in tx_stop() argument
4254 __FILE__,__LINE__, info->device_name ); in tx_stop()
4256 del_timer(&info->tx_timer); in tx_stop()
4258 write_reg(info, TXDMA + DSR, 0); /* disable DMA channel */ in tx_stop()
4259 write_reg(info, TXDMA + DCMD, SWABORT); /* reset/init DMA channel */ in tx_stop()
4261 write_reg(info, CMD, TXRESET); in tx_stop()
4263 info->ie1_value &= ~(UDRN + IDLE); in tx_stop()
4264 write_reg(info, IE1, info->ie1_value); /* disable tx status interrupts */ in tx_stop()
4265 write_reg(info, SR1, (unsigned char)(IDLE + UDRN)); /* clear pending */ in tx_stop()
4267 info->ie0_value &= ~TXRDYE; in tx_stop()
4268 write_reg(info, IE0, info->ie0_value); /* disable tx data interrupts */ in tx_stop()
4270 info->tx_enabled = false; in tx_stop()
4271 info->tx_active = false; in tx_stop()
4277 static void tx_load_fifo(SLMP_INFO *info) in tx_load_fifo() argument
4283 if ( !info->tx_count && !info->x_char ) in tx_load_fifo()
4288 while( info->tx_count && (read_reg(info,SR0) & BIT1) ) { in tx_load_fifo()
4293 if ( (info->tx_count > 1) && !info->x_char ) { in tx_load_fifo()
4295 TwoBytes[0] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4296 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4297 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4298 TwoBytes[1] = info->tx_buf[info->tx_get++]; in tx_load_fifo()
4299 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4300 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4302 write_reg16(info, TRB, *((u16 *)TwoBytes)); in tx_load_fifo()
4304 info->tx_count -= 2; in tx_load_fifo()
4305 info->icount.tx += 2; in tx_load_fifo()
4309 if (info->x_char) { in tx_load_fifo()
4311 write_reg(info, TRB, info->x_char); in tx_load_fifo()
4312 info->x_char = 0; in tx_load_fifo()
4314 write_reg(info, TRB, info->tx_buf[info->tx_get++]); in tx_load_fifo()
4315 if (info->tx_get >= info->max_frame_size) in tx_load_fifo()
4316 info->tx_get -= info->max_frame_size; in tx_load_fifo()
4317 info->tx_count--; in tx_load_fifo()
4319 info->icount.tx++; in tx_load_fifo()
4326 static void reset_port(SLMP_INFO *info) in reset_port() argument
4328 if (info->sca_base) { in reset_port()
4330 tx_stop(info); in reset_port()
4331 rx_stop(info); in reset_port()
4333 info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); in reset_port()
4334 set_signals(info); in reset_port()
4337 info->ie0_value = 0; in reset_port()
4338 info->ie1_value = 0; in reset_port()
4339 info->ie2_value = 0; in reset_port()
4340 write_reg(info, IE0, info->ie0_value); in reset_port()
4341 write_reg(info, IE1, info->ie1_value); in reset_port()
4342 write_reg(info, IE2, info->ie2_value); in reset_port()
4344 write_reg(info, CMD, CHRESET); in reset_port()
4350 static void reset_adapter(SLMP_INFO *info) in reset_adapter() argument
4355 if (info->port_array[i]) in reset_adapter()
4356 reset_port(info->port_array[i]); in reset_adapter()
4362 static void async_mode(SLMP_INFO *info) in async_mode() argument
4367 tx_stop(info); in async_mode()
4368 rx_stop(info); in async_mode()
4381 if (info->params.stop_bits != 1) in async_mode()
4383 write_reg(info, MD0, RegValue); in async_mode()
4395 switch (info->params.data_bits) { in async_mode()
4400 if (info->params.parity != ASYNC_PARITY_NONE) { in async_mode()
4402 if (info->params.parity == ASYNC_PARITY_ODD) in async_mode()
4405 write_reg(info, MD1, RegValue); in async_mode()
4415 if (info->params.loopback) in async_mode()
4417 write_reg(info, MD2, RegValue); in async_mode()
4426 write_reg(info, RXS, RegValue); in async_mode()
4435 write_reg(info, TXS, RegValue); in async_mode()
4441 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in async_mode()
4442 write_control_reg(info); in async_mode()
4444 tx_set_idle(info); in async_mode()
4451 write_reg(info, RRC, 0x00); in async_mode()
4458 write_reg(info, TRC0, 0x10); in async_mode()
4465 write_reg(info, TRC1, 0x1e); in async_mode()
4480 if (!(info->serial_signals & SerialSignal_RTS)) in async_mode()
4482 write_reg(info, CTL, RegValue); in async_mode()
4485 info->ie0_value |= TXINTE + RXINTE; in async_mode()
4486 write_reg(info, IE0, info->ie0_value); in async_mode()
4489 info->ie1_value = BRKD; in async_mode()
4490 write_reg(info, IE1, info->ie1_value); in async_mode()
4493 info->ie2_value = OVRN; in async_mode()
4494 write_reg(info, IE2, info->ie2_value); in async_mode()
4496 set_rate( info, info->params.data_rate * 16 ); in async_mode()
4501 static void hdlc_mode(SLMP_INFO *info) in hdlc_mode() argument
4510 info->params.flags &= ~(HDLC_FLAG_TXC_DPLL + HDLC_FLAG_RXC_DPLL); in hdlc_mode()
4513 write_reg(info, TXDMA + DIR, 0); in hdlc_mode()
4514 write_reg(info, RXDMA + DIR, 0); in hdlc_mode()
4528 if (info->params.flags & HDLC_FLAG_AUTO_CTS) in hdlc_mode()
4530 if (info->params.flags & HDLC_FLAG_AUTO_DCD) in hdlc_mode()
4532 if (info->params.crc_type == HDLC_CRC_16_CCITT) in hdlc_mode()
4534 write_reg(info, MD0, RegValue); in hdlc_mode()
4546 write_reg(info, MD1, RegValue); in hdlc_mode()
4559 switch(info->params.encoding) { in hdlc_mode()
4570 if ( info->params.flags & HDLC_FLAG_DPLL_DIV16 ) { in hdlc_mode()
4573 } else if ( info->params.flags & HDLC_FLAG_DPLL_DIV8 ) { in hdlc_mode()
4579 write_reg(info, MD2, RegValue); in hdlc_mode()
4589 if (info->params.flags & HDLC_FLAG_RXC_BRG) in hdlc_mode()
4591 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4593 write_reg(info, RXS, RegValue); in hdlc_mode()
4602 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4604 if (info->params.flags & HDLC_FLAG_TXC_DPLL) in hdlc_mode()
4606 write_reg(info, TXS, RegValue); in hdlc_mode()
4608 if (info->params.flags & HDLC_FLAG_RXC_DPLL) in hdlc_mode()
4609 set_rate(info, info->params.clock_speed * DpllDivisor); in hdlc_mode()
4611 set_rate(info, info->params.clock_speed); in hdlc_mode()
4617 if (info->params.flags & HDLC_FLAG_TXC_BRG) in hdlc_mode()
4618 info->port_array[0]->ctrlreg_value |= (BIT0 << (info->port_num * 2)); in hdlc_mode()
4620 info->port_array[0]->ctrlreg_value &= ~(BIT0 << (info->port_num * 2)); in hdlc_mode()
4621 write_control_reg(info); in hdlc_mode()
4628 write_reg(info, RRC, rx_active_fifo_level); in hdlc_mode()
4635 write_reg(info, TRC0, tx_active_fifo_level); in hdlc_mode()
4642 write_reg(info, TRC1, (unsigned char)(tx_negate_fifo_level - 1)); in hdlc_mode()
4655 write_reg(info, TXDMA + DMR, 0x14); in hdlc_mode()
4656 write_reg(info, RXDMA + DMR, 0x14); in hdlc_mode()
4659 write_reg(info, RXDMA + CPB, in hdlc_mode()
4660 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4663 write_reg(info, TXDMA + CPB, in hdlc_mode()
4664 (unsigned char)(info->buffer_list_phys >> 16)); in hdlc_mode()
4669 info->ie0_value |= TXINTE + RXINTE; in hdlc_mode()
4670 write_reg(info, IE0, info->ie0_value); in hdlc_mode()
4685 if (!(info->serial_signals & SerialSignal_RTS)) in hdlc_mode()
4687 write_reg(info, CTL, RegValue); in hdlc_mode()
4691 tx_set_idle(info); in hdlc_mode()
4692 tx_stop(info); in hdlc_mode()
4693 rx_stop(info); in hdlc_mode()
4695 set_rate(info, info->params.clock_speed); in hdlc_mode()
4697 if (info->params.loopback) in hdlc_mode()
4698 enable_loopback(info,1); in hdlc_mode()
4703 static void tx_set_idle(SLMP_INFO *info) in tx_set_idle() argument
4708 switch(info->idle_mode) { in tx_set_idle()
4718 write_reg(info, IDL, RegValue); in tx_set_idle()
4723 static void get_signals(SLMP_INFO *info) in get_signals() argument
4725 u16 status = read_reg(info, SR3); in get_signals()
4726 u16 gpstatus = read_status_reg(info); in get_signals()
4730 info->serial_signals &= SerialSignal_RTS | SerialSignal_DTR; in get_signals()
4735 info->serial_signals |= SerialSignal_CTS; in get_signals()
4738 info->serial_signals |= SerialSignal_DCD; in get_signals()
4740 testbit = BIT1 << (info->port_num * 2); // Port 0..3 RI is GPDATA<1,3,5,7> in get_signals()
4742 info->serial_signals |= SerialSignal_RI; in get_signals()
4744 testbit = BIT0 << (info->port_num * 2); // Port 0..3 DSR is GPDATA<0,2,4,6> in get_signals()
4746 info->serial_signals |= SerialSignal_DSR; in get_signals()
4752 static void set_signals(SLMP_INFO *info) in set_signals() argument
4757 RegValue = read_reg(info, CTL); in set_signals()
4758 if (info->serial_signals & SerialSignal_RTS) in set_signals()
4762 write_reg(info, CTL, RegValue); in set_signals()
4765 EnableBit = BIT1 << (info->port_num*2); in set_signals()
4766 if (info->serial_signals & SerialSignal_DTR) in set_signals()
4767 info->port_array[0]->ctrlreg_value &= ~EnableBit; in set_signals()
4769 info->port_array[0]->ctrlreg_value |= EnableBit; in set_signals()
4770 write_control_reg(info); in set_signals()
4781 static void rx_reset_buffers(SLMP_INFO *info) in rx_reset_buffers() argument
4783 rx_free_frame_buffers(info, 0, info->rx_buf_count - 1); in rx_reset_buffers()
4792 static void rx_free_frame_buffers(SLMP_INFO *info, unsigned int first, unsigned int last) in rx_free_frame_buffers() argument
4798 info->rx_buf_list[first].status = 0xff; in rx_free_frame_buffers()
4803 write_reg16(info, RXDMA + EDA, info->rx_buf_list_ex[first].phys_entry); in rx_free_frame_buffers()
4807 if (first == info->rx_buf_count) in rx_free_frame_buffers()
4812 info->current_rx_buf = first; in rx_free_frame_buffers()
4820 static bool rx_get_frame(SLMP_INFO *info) in rx_get_frame() argument
4827 struct tty_struct *tty = info->port.tty; in rx_get_frame()
4843 StartIndex = EndIndex = info->current_rx_buf; in rx_get_frame()
4846 desc = &info->rx_buf_list[EndIndex]; in rx_get_frame()
4847 desc_ex = &info->rx_buf_list_ex[EndIndex]; in rx_get_frame()
4852 if (framesize == 0 && info->params.addr_filter != 0xff) in rx_get_frame()
4862 if (EndIndex == info->rx_buf_count) in rx_get_frame()
4865 if (EndIndex == info->current_rx_buf) { in rx_get_frame()
4868 if ( info->rx_enabled ){ in rx_get_frame()
4869 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4870 rx_start(info); in rx_get_frame()
4871 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
4894 if (info->params.crc_type == HDLC_CRC_NONE) in rx_get_frame()
4898 (addr_field != 0xff && addr_field != info->params.addr_filter)) { in rx_get_frame()
4902 rx_free_frame_buffers(info, StartIndex, EndIndex); in rx_get_frame()
4914 info->icount.rxshort++; in rx_get_frame()
4916 info->icount.rxabort++; in rx_get_frame()
4918 info->icount.rxover++; in rx_get_frame()
4920 info->icount.rxcrc++; in rx_get_frame()
4925 info->netdev->stats.rx_errors++; in rx_get_frame()
4926 info->netdev->stats.rx_frame_errors++; in rx_get_frame()
4933 __FILE__,__LINE__,info->device_name,status,framesize); in rx_get_frame()
4936 trace_block(info,info->rx_buf_list_ex[StartIndex].virt_addr, in rx_get_frame()
4940 if (framesize > info->max_frame_size) in rx_get_frame()
4941 info->icount.rxlong++; in rx_get_frame()
4946 unsigned char *ptmp = info->tmp_rx_buf; in rx_get_frame()
4947 info->tmp_rx_buf_count = framesize; in rx_get_frame()
4949 info->icount.rxok++; in rx_get_frame()
4954 info->rx_buf_list_ex[index].virt_addr, in rx_get_frame()
4959 if ( ++index == info->rx_buf_count ) in rx_get_frame()
4964 if (info->netcount) in rx_get_frame()
4965 hdlcdev_rx(info,info->tmp_rx_buf,framesize); in rx_get_frame()
4968 ldisc_receive_buf(tty,info->tmp_rx_buf, in rx_get_frame()
4969 info->flag_buf, framesize); in rx_get_frame()
4973 rx_free_frame_buffers( info, StartIndex, EndIndex ); in rx_get_frame()
4978 if ( info->rx_enabled && info->rx_overflow ) { in rx_get_frame()
4982 if (info->rx_buf_list[EndIndex].status == 0xff) { in rx_get_frame()
4983 spin_lock_irqsave(&info->lock,flags); in rx_get_frame()
4984 rx_start(info); in rx_get_frame()
4985 spin_unlock_irqrestore(&info->lock,flags); in rx_get_frame()
4994 static void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count) in tx_load_dma_buffer() argument
5002 trace_block(info, buf, min_t(unsigned int, count, SCABUFSIZE), 1); in tx_load_dma_buffer()
5011 desc = &info->tx_buf_list[i]; in tx_load_dma_buffer()
5012 desc_ex = &info->tx_buf_list_ex[i]; in tx_load_dma_buffer()
5014 load_pci_memory(info, desc_ex->virt_addr,buf,copy_count); in tx_load_dma_buffer()
5026 if (i >= info->tx_buf_count) in tx_load_dma_buffer()
5030 info->tx_buf_list[i].status = 0x81; /* set EOM and EOT status */ in tx_load_dma_buffer()
5031 info->last_tx_buf = ++i; in tx_load_dma_buffer()
5034 static bool register_test(SLMP_INFO *info) in register_test() argument
5042 spin_lock_irqsave(&info->lock,flags); in register_test()
5043 reset_port(info); in register_test()
5046 info->init_error = DiagStatus_AddressFailure; in register_test()
5052 write_reg(info, TMC, testval[i]); in register_test()
5053 write_reg(info, IDL, testval[(i+1)%count]); in register_test()
5054 write_reg(info, SA0, testval[(i+2)%count]); in register_test()
5055 write_reg(info, SA1, testval[(i+3)%count]); in register_test()
5057 if ( (read_reg(info, TMC) != testval[i]) || in register_test()
5058 (read_reg(info, IDL) != testval[(i+1)%count]) || in register_test()
5059 (read_reg(info, SA0) != testval[(i+2)%count]) || in register_test()
5060 (read_reg(info, SA1) != testval[(i+3)%count]) ) in register_test()
5067 reset_port(info); in register_test()
5068 spin_unlock_irqrestore(&info->lock,flags); in register_test()
5073 static bool irq_test(SLMP_INFO *info) in irq_test() argument
5078 unsigned char timer = (info->port_num & 1) ? TIMER2 : TIMER0; in irq_test()
5080 spin_lock_irqsave(&info->lock,flags); in irq_test()
5081 reset_port(info); in irq_test()
5084 info->init_error = DiagStatus_IrqFailure; in irq_test()
5085 info->irq_occurred = false; in irq_test()
5090 write_reg(info, IER2, (unsigned char)((info->port_num & 1) ? BIT6 : BIT4)); in irq_test()
5092 write_reg(info, (unsigned char)(timer + TEPR), 0); /* timer expand prescale */ in irq_test()
5093 write_reg16(info, (unsigned char)(timer + TCONR), 1); /* timer constant */ in irq_test()
5106 write_reg(info, (unsigned char)(timer + TMCS), 0x50); in irq_test()
5108 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5111 while( timeout-- && !info->irq_occurred ) { in irq_test()
5115 spin_lock_irqsave(&info->lock,flags); in irq_test()
5116 reset_port(info); in irq_test()
5117 spin_unlock_irqrestore(&info->lock,flags); in irq_test()
5119 return info->irq_occurred; in irq_test()
5124 static bool sca_init(SLMP_INFO *info) in sca_init() argument
5127 write_reg(info, PABR0, 0); /* wait controller addr boundary 0 */ in sca_init()
5128 write_reg(info, PABR1, 0); /* wait controller addr boundary 1 */ in sca_init()
5129 write_reg(info, WCRL, 0); /* wait controller low range */ in sca_init()
5130 write_reg(info, WCRM, 0); /* wait controller mid range */ in sca_init()
5131 write_reg(info, WCRH, 0); /* wait controller high range */ in sca_init()
5142 write_reg(info, DPCR, dma_priority); in sca_init()
5145 write_reg(info, DMER, 0x80); in sca_init()
5148 write_reg(info, IER0, 0xff); /* TxRDY,RxRDY,TxINT,RxINT (ports 0-1) */ in sca_init()
5149 write_reg(info, IER1, 0xff); /* DMIB,DMIA (channels 0-3) */ in sca_init()
5150 write_reg(info, IER2, 0xf0); /* TIRQ (timers 0-3) */ in sca_init()
5158 write_reg(info, ITCR, 0); in sca_init()
5165 static bool init_adapter(SLMP_INFO *info) in init_adapter() argument
5170 volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50); in init_adapter()
5173 info->misc_ctrl_value |= BIT30; in init_adapter()
5174 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5184 info->misc_ctrl_value &= ~BIT30; in init_adapter()
5185 *MiscCtrl = info->misc_ctrl_value; in init_adapter()
5188 info->ctrlreg_value = 0xaa; in init_adapter()
5189 write_control_reg(info); in init_adapter()
5192 volatile u32 *LCR1BRDR = (u32 *)(info->lcr_base + 0x2c); in init_adapter()
5215 sca_init(info->port_array[0]); in init_adapter()
5216 sca_init(info->port_array[2]); in init_adapter()
5224 static bool loopback_test(SLMP_INFO *info) in loopback_test() argument
5234 struct tty_struct *oldtty = info->port.tty; in loopback_test()
5235 u32 speed = info->params.clock_speed; in loopback_test()
5237 info->params.clock_speed = 3686400; in loopback_test()
5238 info->port.tty = NULL; in loopback_test()
5241 info->init_error = DiagStatus_DmaFailure; in loopback_test()
5247 memset(info->tmp_rx_buf,0,TESTFRAMESIZE); in loopback_test()
5250 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5251 hdlc_mode(info); in loopback_test()
5252 enable_loopback(info,1); in loopback_test()
5253 rx_start(info); in loopback_test()
5254 info->tx_count = count; in loopback_test()
5255 tx_load_dma_buffer(info,buf,count); in loopback_test()
5256 tx_start(info); in loopback_test()
5257 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5264 if (rx_get_frame(info)) { in loopback_test()
5272 ( info->tmp_rx_buf_count != count || in loopback_test()
5273 memcmp(buf, info->tmp_rx_buf,count))) { in loopback_test()
5277 spin_lock_irqsave(&info->lock,flags); in loopback_test()
5278 reset_adapter(info); in loopback_test()
5279 spin_unlock_irqrestore(&info->lock,flags); in loopback_test()
5281 info->params.clock_speed = speed; in loopback_test()
5282 info->port.tty = oldtty; in loopback_test()
5289 static int adapter_test( SLMP_INFO *info ) in adapter_test() argument
5294 __FILE__,__LINE__,info->device_name ); in adapter_test()
5296 spin_lock_irqsave(&info->lock,flags); in adapter_test()
5297 init_adapter(info); in adapter_test()
5298 spin_unlock_irqrestore(&info->lock,flags); in adapter_test()
5300 info->port_array[0]->port_count = 0; in adapter_test()
5302 if ( register_test(info->port_array[0]) && in adapter_test()
5303 register_test(info->port_array[1])) { in adapter_test()
5305 info->port_array[0]->port_count = 2; in adapter_test()
5307 if ( register_test(info->port_array[2]) && in adapter_test()
5308 register_test(info->port_array[3]) ) in adapter_test()
5309 info->port_array[0]->port_count += 2; in adapter_test()
5313 __FILE__,__LINE__,info->device_name, (unsigned long)(info->phys_sca_base)); in adapter_test()
5317 if ( !irq_test(info->port_array[0]) || in adapter_test()
5318 !irq_test(info->port_array[1]) || in adapter_test()
5319 (info->port_count == 4 && !irq_test(info->port_array[2])) || in adapter_test()
5320 (info->port_count == 4 && !irq_test(info->port_array[3]))) { in adapter_test()
5322 __FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) ); in adapter_test()
5326 if (!loopback_test(info->port_array[0]) || in adapter_test()
5327 !loopback_test(info->port_array[1]) || in adapter_test()
5328 (info->port_count == 4 && !loopback_test(info->port_array[2])) || in adapter_test()
5329 (info->port_count == 4 && !loopback_test(info->port_array[3]))) { in adapter_test()
5331 __FILE__,__LINE__,info->device_name); in adapter_test()
5337 __FILE__,__LINE__,info->device_name ); in adapter_test()
5339 info->port_array[0]->init_error = 0; in adapter_test()
5340 info->port_array[1]->init_error = 0; in adapter_test()
5341 if ( info->port_count > 2 ) { in adapter_test()
5342 info->port_array[2]->init_error = 0; in adapter_test()
5343 info->port_array[3]->init_error = 0; in adapter_test()
5351 static bool memory_test(SLMP_INFO *info) in memory_test() argument
5358 unsigned long * addr = (unsigned long *)info->memory_base; in memory_test()
5376 addr = (unsigned long *)info->memory_base; in memory_test()
5384 memset( info->memory_base, 0, SCA_MEM_SIZE ); in memory_test()
5403 static void load_pci_memory(SLMP_INFO *info, char* dest, const char* src, unsigned short count) in load_pci_memory() argument
5414 read_status_reg(info); in load_pci_memory()
5422 static void trace_block(SLMP_INFO *info,const char* data, int count, int xmit) in trace_block() argument
5427 printk("%s tx data:\n",info->device_name); in trace_block()
5429 printk("%s rx data:\n",info->device_name); in trace_block()
5459 SLMP_INFO *info = from_timer(info, t, tx_timer); in tx_timeout() local
5464 __FILE__,__LINE__,info->device_name); in tx_timeout()
5465 if(info->tx_active && info->params.mode == MGSL_MODE_HDLC) { in tx_timeout()
5466 info->icount.txtimeout++; in tx_timeout()
5468 spin_lock_irqsave(&info->lock,flags); in tx_timeout()
5469 info->tx_active = false; in tx_timeout()
5470 info->tx_count = info->tx_put = info->tx_get = 0; in tx_timeout()
5472 spin_unlock_irqrestore(&info->lock,flags); in tx_timeout()
5475 if (info->netcount) in tx_timeout()
5476 hdlcdev_tx_done(info); in tx_timeout()
5479 bh_transmit(info); in tx_timeout()
5487 SLMP_INFO *info = from_timer(info, t, status_timer); in status_timeout() local
5492 spin_lock_irqsave(&info->lock,flags); in status_timeout()
5493 get_signals(info); in status_timeout()
5494 spin_unlock_irqrestore(&info->lock,flags); in status_timeout()
5498 delta = info->old_signals ^ info->serial_signals; in status_timeout()
5499 info->old_signals = info->serial_signals; in status_timeout()
5502 status |= MISCSTATUS_DSR_LATCHED|(info->serial_signals&SerialSignal_DSR); in status_timeout()
5505 status |= MISCSTATUS_RI_LATCHED|(info->serial_signals&SerialSignal_RI); in status_timeout()
5508 status |= MISCSTATUS_DCD_LATCHED|(info->serial_signals&SerialSignal_DCD); in status_timeout()
5511 status |= MISCSTATUS_CTS_LATCHED|(info->serial_signals&SerialSignal_CTS); in status_timeout()
5514 isr_io_pin(info,status); in status_timeout()
5516 mod_timer(&info->status_timer, jiffies + msecs_to_jiffies(10)); in status_timeout()
5524 unsigned char * RegAddr = (unsigned char*)(info->sca_base + Addr); \
5525 if (info->port_num > 1) \
5527 if ( info->port_num & 1) { \
5535 static unsigned char read_reg(SLMP_INFO * info, unsigned char Addr) in read_reg() argument
5540 static void write_reg(SLMP_INFO * info, unsigned char Addr, unsigned char Value) in write_reg() argument
5546 static u16 read_reg16(SLMP_INFO * info, unsigned char Addr) in read_reg16() argument
5552 static void write_reg16(SLMP_INFO * info, unsigned char Addr, u16 Value) in write_reg16() argument
5558 static unsigned char read_status_reg(SLMP_INFO * info) in read_status_reg() argument
5560 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in read_status_reg()
5564 static void write_control_reg(SLMP_INFO * info) in write_control_reg() argument
5566 unsigned char *RegAddr = (unsigned char *)info->statctrl_base; in write_control_reg()
5567 *RegAddr = info->port_array[0]->ctrlreg_value; in write_control_reg()