Lines Matching refs:s
164 struct serial_port s[2]; member
373 if (mdev_state->s[index].dlab) { in handle_bar_write()
374 mdev_state->s[index].divisor |= data; in handle_bar_write()
381 if (mdev_state->s[index].rxtx.count < in handle_bar_write()
382 mdev_state->s[index].max_fifo_size) { in handle_bar_write()
383 mdev_state->s[index].rxtx.fifo[ in handle_bar_write()
384 mdev_state->s[index].rxtx.head] = data; in handle_bar_write()
385 mdev_state->s[index].rxtx.count++; in handle_bar_write()
386 CIRCULAR_BUF_INC_IDX(mdev_state->s[index].rxtx.head); in handle_bar_write()
387 mdev_state->s[index].overrun = false; in handle_bar_write()
393 if ((mdev_state->s[index].uart_reg[UART_IER] & in handle_bar_write()
395 (mdev_state->s[index].rxtx.count == in handle_bar_write()
396 mdev_state->s[index].intr_trigger_level)) { in handle_bar_write()
408 mdev_state->s[index].overrun = true; in handle_bar_write()
414 if (mdev_state->s[index].uart_reg[UART_IER] & in handle_bar_write()
423 if (mdev_state->s[index].dlab) in handle_bar_write()
424 mdev_state->s[index].divisor |= (u16)data << 8; in handle_bar_write()
426 mdev_state->s[index].uart_reg[offset] = data; in handle_bar_write()
429 (mdev_state->s[index].rxtx.head == in handle_bar_write()
430 mdev_state->s[index].rxtx.tail)) { in handle_bar_write()
444 mdev_state->s[index].fcr = data; in handle_bar_write()
449 mdev_state->s[index].rxtx.count = 0; in handle_bar_write()
450 mdev_state->s[index].rxtx.head = 0; in handle_bar_write()
451 mdev_state->s[index].rxtx.tail = 0; in handle_bar_write()
457 mdev_state->s[index].intr_trigger_level = 1; in handle_bar_write()
461 mdev_state->s[index].intr_trigger_level = 4; in handle_bar_write()
465 mdev_state->s[index].intr_trigger_level = 8; in handle_bar_write()
469 mdev_state->s[index].intr_trigger_level = 14; in handle_bar_write()
478 mdev_state->s[index].intr_trigger_level = 1; in handle_bar_write()
480 mdev_state->s[index].max_fifo_size = MAX_FIFO_SIZE; in handle_bar_write()
482 mdev_state->s[index].max_fifo_size = 1; in handle_bar_write()
483 mdev_state->s[index].intr_trigger_level = 1; in handle_bar_write()
490 mdev_state->s[index].dlab = true; in handle_bar_write()
491 mdev_state->s[index].divisor = 0; in handle_bar_write()
493 mdev_state->s[index].dlab = false; in handle_bar_write()
495 mdev_state->s[index].uart_reg[offset] = data; in handle_bar_write()
499 mdev_state->s[index].uart_reg[offset] = data; in handle_bar_write()
501 if ((mdev_state->s[index].uart_reg[UART_IER] & UART_IER_MSI) && in handle_bar_write()
509 if ((mdev_state->s[index].uart_reg[UART_IER] & UART_IER_MSI) && in handle_bar_write()
524 mdev_state->s[index].uart_reg[offset] = data; in handle_bar_write()
539 if (mdev_state->s[index].dlab) { in handle_bar_read()
540 *buf = (u8)mdev_state->s[index].divisor; in handle_bar_read()
546 if (mdev_state->s[index].rxtx.head != in handle_bar_read()
547 mdev_state->s[index].rxtx.tail) { in handle_bar_read()
548 *buf = mdev_state->s[index].rxtx.fifo[ in handle_bar_read()
549 mdev_state->s[index].rxtx.tail]; in handle_bar_read()
550 mdev_state->s[index].rxtx.count--; in handle_bar_read()
551 CIRCULAR_BUF_INC_IDX(mdev_state->s[index].rxtx.tail); in handle_bar_read()
554 if (mdev_state->s[index].rxtx.head == in handle_bar_read()
555 mdev_state->s[index].rxtx.tail) { in handle_bar_read()
563 if (mdev_state->s[index].uart_reg[UART_IER] & in handle_bar_read()
572 if (mdev_state->s[index].dlab) { in handle_bar_read()
573 *buf = (u8)(mdev_state->s[index].divisor >> 8); in handle_bar_read()
576 *buf = mdev_state->s[index].uart_reg[offset] & 0x0f; in handle_bar_read()
581 u8 ier = mdev_state->s[index].uart_reg[UART_IER]; in handle_bar_read()
586 if ((ier & UART_IER_RLSI) && mdev_state->s[index].overrun) in handle_bar_read()
591 (mdev_state->s[index].rxtx.count >= in handle_bar_read()
592 mdev_state->s[index].intr_trigger_level)) in handle_bar_read()
597 (mdev_state->s[index].rxtx.head == in handle_bar_read()
598 mdev_state->s[index].rxtx.tail)) in handle_bar_read()
603 (mdev_state->s[index].uart_reg[UART_MCR] & in handle_bar_read()
619 *buf = mdev_state->s[index].uart_reg[offset]; in handle_bar_read()
628 if (mdev_state->s[index].rxtx.head != in handle_bar_read()
629 mdev_state->s[index].rxtx.tail) in handle_bar_read()
633 if (mdev_state->s[index].overrun) in handle_bar_read()
637 if (mdev_state->s[index].rxtx.head == in handle_bar_read()
638 mdev_state->s[index].rxtx.tail) in handle_bar_read()
650 if (mdev_state->s[index].uart_reg[UART_MCR] & in handle_bar_read()
652 if (mdev_state->s[index].rxtx.count < in handle_bar_read()
653 mdev_state->s[index].max_fifo_size) in handle_bar_read()
662 *buf = mdev_state->s[index].uart_reg[offset]; in handle_bar_read()
748 *buf, mdev_state->s[index].dlab); in mdev_access()
758 *buf, mdev_state->s[index].dlab); in mdev_access()
940 &mdev_state->s[i], sizeof(struct serial_port)); in mtty_save_state()
964 memcpy(&mdev_state->s[i], in mtty_load_state()
1331 mdev_state->s[0].max_fifo_size = MAX_FIFO_SIZE; in mtty_init_dev()
1332 mdev_state->s[1].max_fifo_size = MAX_FIFO_SIZE; in mtty_init_dev()