cp210x.c (94bd217e2d683719ab21a4ac117d8a1b91cbedc9) cp210x.c (4b6181caa411ccb91ff4aad10b83d62d5a0464d3)
1/*
2 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
3 *
4 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.

--- 506 unchanged lines hidden (view full) ---

515 cflag |= (PARENB|PARODD);
516 break;
517 case BITS_PARITY_EVEN:
518 dbg("%s - parity = EVEN", __func__);
519 cflag &= ~PARODD;
520 cflag |= PARENB;
521 break;
522 case BITS_PARITY_MARK:
1/*
2 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver
3 *
4 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.

--- 506 unchanged lines hidden (view full) ---

515 cflag |= (PARENB|PARODD);
516 break;
517 case BITS_PARITY_EVEN:
518 dbg("%s - parity = EVEN", __func__);
519 cflag &= ~PARODD;
520 cflag |= PARENB;
521 break;
522 case BITS_PARITY_MARK:
523 dbg("%s - parity = MARK (not supported, disabling parity)",
524 __func__);
525 cflag &= ~PARENB;
526 bits &= ~BITS_PARITY_MASK;
527 cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
523 dbg("%s - parity = MARK", __func__);
524 cflag |= (PARENB|PARODD|CMSPAR);
528 break;
529 case BITS_PARITY_SPACE:
525 break;
526 case BITS_PARITY_SPACE:
530 dbg("%s - parity = SPACE (not supported, disabling parity)",
531 __func__);
532 cflag &= ~PARENB;
533 bits &= ~BITS_PARITY_MASK;
534 cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
527 dbg("%s - parity = SPACE", __func__);
528 cflag &= ~PARODD;
529 cflag |= (PARENB|CMSPAR);
535 break;
536 default:
537 dbg("%s - Unknown parity mode, disabling parity", __func__);
538 cflag &= ~PARENB;
539 bits &= ~BITS_PARITY_MASK;
540 cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
541 break;
542 }

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583 unsigned int baud = 0, bits;
584 unsigned int modem_ctl[4];
585
586 dbg("%s - port %d", __func__, port->number);
587
588 if (!tty)
589 return;
590
530 break;
531 default:
532 dbg("%s - Unknown parity mode, disabling parity", __func__);
533 cflag &= ~PARENB;
534 bits &= ~BITS_PARITY_MASK;
535 cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
536 break;
537 }

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578 unsigned int baud = 0, bits;
579 unsigned int modem_ctl[4];
580
581 dbg("%s - port %d", __func__, port->number);
582
583 if (!tty)
584 return;
585
591 tty->termios->c_cflag &= ~CMSPAR;
592 cflag = tty->termios->c_cflag;
593 old_cflag = old_termios->c_cflag;
594 baud = cp210x_quantise_baudrate(tty_get_baud_rate(tty));
595
596 /* If the baud rate is to be updated*/
597 if (baud != tty_termios_baud_rate(old_termios) && baud != 0) {
598 dbg("%s - Setting baud rate to %d baud", __func__,
599 baud);

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638 bits |= BITS_DATA_8;
639 break;
640 }
641 if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
642 dbg("Number of data bits requested "
643 "not supported by device\n");
644 }
645
586 cflag = tty->termios->c_cflag;
587 old_cflag = old_termios->c_cflag;
588 baud = cp210x_quantise_baudrate(tty_get_baud_rate(tty));
589
590 /* If the baud rate is to be updated*/
591 if (baud != tty_termios_baud_rate(old_termios) && baud != 0) {
592 dbg("%s - Setting baud rate to %d baud", __func__,
593 baud);

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632 bits |= BITS_DATA_8;
633 break;
634 }
635 if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
636 dbg("Number of data bits requested "
637 "not supported by device\n");
638 }
639
646 if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))) {
640 if ((cflag & (PARENB|PARODD|CMSPAR)) !=
641 (old_cflag & (PARENB|PARODD|CMSPAR))) {
647 cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2);
648 bits &= ~BITS_PARITY_MASK;
649 if (cflag & PARENB) {
642 cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2);
643 bits &= ~BITS_PARITY_MASK;
644 if (cflag & PARENB) {
650 if (cflag & PARODD) {
651 bits |= BITS_PARITY_ODD;
652 dbg("%s - parity = ODD", __func__);
645 if (cflag & CMSPAR) {
646 if (cflag & PARODD) {
647 bits |= BITS_PARITY_MARK;
648 dbg("%s - parity = MARK", __func__);
649 } else {
650 bits |= BITS_PARITY_SPACE;
651 dbg("%s - parity = SPACE", __func__);
652 }
653 } else {
653 } else {
654 bits |= BITS_PARITY_EVEN;
655 dbg("%s - parity = EVEN", __func__);
654 if (cflag & PARODD) {
655 bits |= BITS_PARITY_ODD;
656 dbg("%s - parity = ODD", __func__);
657 } else {
658 bits |= BITS_PARITY_EVEN;
659 dbg("%s - parity = EVEN", __func__);
660 }
656 }
657 }
658 if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
659 dbg("Parity mode not supported "
660 "by device\n");
661 }
662
663 if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) {

--- 164 unchanged lines hidden --- 		661 }
662 }
663 if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
664 dbg("Parity mode not supported "
665 "by device\n");
666 }
667
668 if ((cflag & CSTOPB) != (old_cflag & CSTOPB)) {

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