Lines Matching full:ch
35 static void neo_set_cts_flow_control(struct jsm_channel *ch) in neo_set_cts_flow_control() argument
38 ier = readb(&ch->ch_neo_uart->ier); in neo_set_cts_flow_control()
39 efr = readb(&ch->ch_neo_uart->efr); in neo_set_cts_flow_control()
41 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Setting CTSFLOW\n"); in neo_set_cts_flow_control()
51 writeb(0, &ch->ch_neo_uart->efr); in neo_set_cts_flow_control()
54 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_cts_flow_control()
57 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY), &ch->ch_neo_uart->fctr); in neo_set_cts_flow_control()
60 writeb(8, &ch->ch_neo_uart->tfifo); in neo_set_cts_flow_control()
61 ch->ch_t_tlevel = 8; in neo_set_cts_flow_control()
63 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_cts_flow_control()
66 static void neo_set_rts_flow_control(struct jsm_channel *ch) in neo_set_rts_flow_control() argument
69 ier = readb(&ch->ch_neo_uart->ier); in neo_set_rts_flow_control()
70 efr = readb(&ch->ch_neo_uart->efr); in neo_set_rts_flow_control()
72 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Setting RTSFLOW\n"); in neo_set_rts_flow_control()
83 writeb(0, &ch->ch_neo_uart->efr); in neo_set_rts_flow_control()
86 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_rts_flow_control()
88 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_4DELAY), &ch->ch_neo_uart->fctr); in neo_set_rts_flow_control()
89 ch->ch_r_watermark = 4; in neo_set_rts_flow_control()
91 writeb(56, &ch->ch_neo_uart->rfifo); in neo_set_rts_flow_control()
92 ch->ch_r_tlevel = 56; in neo_set_rts_flow_control()
94 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_rts_flow_control()
102 ch->ch_mostat |= (UART_MCR_RTS); in neo_set_rts_flow_control()
106 static void neo_set_ixon_flow_control(struct jsm_channel *ch) in neo_set_ixon_flow_control() argument
109 ier = readb(&ch->ch_neo_uart->ier); in neo_set_ixon_flow_control()
110 efr = readb(&ch->ch_neo_uart->efr); in neo_set_ixon_flow_control()
112 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Setting IXON FLOW\n"); in neo_set_ixon_flow_control()
122 writeb(0, &ch->ch_neo_uart->efr); in neo_set_ixon_flow_control()
125 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_ixon_flow_control()
127 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr); in neo_set_ixon_flow_control()
128 ch->ch_r_watermark = 4; in neo_set_ixon_flow_control()
130 writeb(32, &ch->ch_neo_uart->rfifo); in neo_set_ixon_flow_control()
131 ch->ch_r_tlevel = 32; in neo_set_ixon_flow_control()
134 writeb(ch->ch_startc, &ch->ch_neo_uart->xonchar1); in neo_set_ixon_flow_control()
135 writeb(0, &ch->ch_neo_uart->xonchar2); in neo_set_ixon_flow_control()
137 writeb(ch->ch_stopc, &ch->ch_neo_uart->xoffchar1); in neo_set_ixon_flow_control()
138 writeb(0, &ch->ch_neo_uart->xoffchar2); in neo_set_ixon_flow_control()
140 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_ixon_flow_control()
143 static void neo_set_ixoff_flow_control(struct jsm_channel *ch) in neo_set_ixoff_flow_control() argument
146 ier = readb(&ch->ch_neo_uart->ier); in neo_set_ixoff_flow_control()
147 efr = readb(&ch->ch_neo_uart->efr); in neo_set_ixoff_flow_control()
149 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Setting IXOFF FLOW\n"); in neo_set_ixoff_flow_control()
160 writeb(0, &ch->ch_neo_uart->efr); in neo_set_ixoff_flow_control()
163 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_ixoff_flow_control()
166 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr); in neo_set_ixoff_flow_control()
168 writeb(8, &ch->ch_neo_uart->tfifo); in neo_set_ixoff_flow_control()
169 ch->ch_t_tlevel = 8; in neo_set_ixoff_flow_control()
172 writeb(ch->ch_startc, &ch->ch_neo_uart->xonchar1); in neo_set_ixoff_flow_control()
173 writeb(0, &ch->ch_neo_uart->xonchar2); in neo_set_ixoff_flow_control()
175 writeb(ch->ch_stopc, &ch->ch_neo_uart->xoffchar1); in neo_set_ixoff_flow_control()
176 writeb(0, &ch->ch_neo_uart->xoffchar2); in neo_set_ixoff_flow_control()
178 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_ixoff_flow_control()
181 static void neo_set_no_input_flow_control(struct jsm_channel *ch) in neo_set_no_input_flow_control() argument
184 ier = readb(&ch->ch_neo_uart->ier); in neo_set_no_input_flow_control()
185 efr = readb(&ch->ch_neo_uart->efr); in neo_set_no_input_flow_control()
187 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Unsetting Input FLOW\n"); in neo_set_no_input_flow_control()
195 if (ch->ch_c_iflag & IXON) in neo_set_no_input_flow_control()
201 writeb(0, &ch->ch_neo_uart->efr); in neo_set_no_input_flow_control()
204 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_no_input_flow_control()
207 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr); in neo_set_no_input_flow_control()
209 ch->ch_r_watermark = 0; in neo_set_no_input_flow_control()
211 writeb(16, &ch->ch_neo_uart->tfifo); in neo_set_no_input_flow_control()
212 ch->ch_t_tlevel = 16; in neo_set_no_input_flow_control()
214 writeb(16, &ch->ch_neo_uart->rfifo); in neo_set_no_input_flow_control()
215 ch->ch_r_tlevel = 16; in neo_set_no_input_flow_control()
217 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_no_input_flow_control()
220 static void neo_set_no_output_flow_control(struct jsm_channel *ch) in neo_set_no_output_flow_control() argument
223 ier = readb(&ch->ch_neo_uart->ier); in neo_set_no_output_flow_control()
224 efr = readb(&ch->ch_neo_uart->efr); in neo_set_no_output_flow_control()
226 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "Unsetting Output FLOW\n"); in neo_set_no_output_flow_control()
233 if (ch->ch_c_iflag & IXOFF) in neo_set_no_output_flow_control()
239 writeb(0, &ch->ch_neo_uart->efr); in neo_set_no_output_flow_control()
242 writeb(efr, &ch->ch_neo_uart->efr); in neo_set_no_output_flow_control()
245 writeb((UART_17158_FCTR_TRGD | UART_17158_FCTR_RTS_8DELAY), &ch->ch_neo_uart->fctr); in neo_set_no_output_flow_control()
247 ch->ch_r_watermark = 0; in neo_set_no_output_flow_control()
249 writeb(16, &ch->ch_neo_uart->tfifo); in neo_set_no_output_flow_control()
250 ch->ch_t_tlevel = 16; in neo_set_no_output_flow_control()
252 writeb(16, &ch->ch_neo_uart->rfifo); in neo_set_no_output_flow_control()
253 ch->ch_r_tlevel = 16; in neo_set_no_output_flow_control()
255 writeb(ier, &ch->ch_neo_uart->ier); in neo_set_no_output_flow_control()
258 static inline void neo_set_new_start_stop_chars(struct jsm_channel *ch) in neo_set_new_start_stop_chars() argument
262 if (ch->ch_c_cflag & CRTSCTS) in neo_set_new_start_stop_chars()
265 jsm_dbg(PARAM, &ch->ch_bd->pci_dev, "start\n"); in neo_set_new_start_stop_chars()
268 writeb(ch->ch_startc, &ch->ch_neo_uart->xonchar1); in neo_set_new_start_stop_chars()
269 writeb(0, &ch->ch_neo_uart->xonchar2); in neo_set_new_start_stop_chars()
271 writeb(ch->ch_stopc, &ch->ch_neo_uart->xoffchar1); in neo_set_new_start_stop_chars()
272 writeb(0, &ch->ch_neo_uart->xoffchar2); in neo_set_new_start_stop_chars()
275 static void neo_copy_data_from_uart_to_queue(struct jsm_channel *ch) in neo_copy_data_from_uart_to_queue() argument
286 head = ch->ch_r_head & RQUEUEMASK; in neo_copy_data_from_uart_to_queue()
287 tail = ch->ch_r_tail & RQUEUEMASK; in neo_copy_data_from_uart_to_queue()
290 linestatus = ch->ch_cached_lsr; in neo_copy_data_from_uart_to_queue()
291 ch->ch_cached_lsr = 0; in neo_copy_data_from_uart_to_queue()
305 if (!(ch->ch_flags & CH_FIFO_ENABLED)) in neo_copy_data_from_uart_to_queue()
308 total = readb(&ch->ch_neo_uart->rfifo); in neo_copy_data_from_uart_to_queue()
334 linestatus = readb(&ch->ch_neo_uart->lsr); in neo_copy_data_from_uart_to_queue()
361 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_copy_data_from_uart_to_queue()
366 memcpy_fromio(ch->ch_rqueue + head, &ch->ch_neo_uart->txrxburst, n); in neo_copy_data_from_uart_to_queue()
372 memset(ch->ch_equeue + head, 0, n); in neo_copy_data_from_uart_to_queue()
378 ch->ch_rxcount += n; in neo_copy_data_from_uart_to_queue()
385 if (ch->ch_c_iflag & IGNBRK) in neo_copy_data_from_uart_to_queue()
398 linestatus |= readb(&ch->ch_neo_uart->lsr); in neo_copy_data_from_uart_to_queue()
406 ch->ch_cached_lsr = linestatus; in neo_copy_data_from_uart_to_queue()
420 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_copy_data_from_uart_to_queue()
429 memcpy_fromio(&discard, &ch->ch_neo_uart->txrxburst, 1); in neo_copy_data_from_uart_to_queue()
442 jsm_dbg(READ, &ch->ch_bd->pci_dev, in neo_copy_data_from_uart_to_queue()
444 ch->ch_rqueue[tail], ch->ch_equeue[tail]); in neo_copy_data_from_uart_to_queue()
446 ch->ch_r_tail = tail = (tail + 1) & RQUEUEMASK; in neo_copy_data_from_uart_to_queue()
447 ch->ch_err_overrun++; in neo_copy_data_from_uart_to_queue()
451 memcpy_fromio(ch->ch_rqueue + head, &ch->ch_neo_uart->txrxburst, 1); in neo_copy_data_from_uart_to_queue()
452 ch->ch_equeue[head] = (u8) linestatus; in neo_copy_data_from_uart_to_queue()
454 jsm_dbg(READ, &ch->ch_bd->pci_dev, "DATA/LSR pair: %x %x\n", in neo_copy_data_from_uart_to_queue()
455 ch->ch_rqueue[head], ch->ch_equeue[head]); in neo_copy_data_from_uart_to_queue()
464 ch->ch_rxcount++; in neo_copy_data_from_uart_to_queue()
470 ch->ch_r_head = head & RQUEUEMASK; in neo_copy_data_from_uart_to_queue()
471 ch->ch_e_head = head & EQUEUEMASK; in neo_copy_data_from_uart_to_queue()
472 jsm_input(ch); in neo_copy_data_from_uart_to_queue()
475 static void neo_copy_data_from_queue_to_uart(struct jsm_channel *ch) in neo_copy_data_from_queue_to_uart() argument
485 if (!ch) in neo_copy_data_from_queue_to_uart()
488 tport = &ch->uart_port.state->port; in neo_copy_data_from_queue_to_uart()
495 if ((ch->ch_flags & CH_STOP) || (ch->ch_flags & CH_BREAK_SENDING)) in neo_copy_data_from_queue_to_uart()
500 if (!(ch->ch_flags & CH_FIFO_ENABLED)) { in neo_copy_data_from_queue_to_uart()
501 u8 lsrbits = readb(&ch->ch_neo_uart->lsr); in neo_copy_data_from_queue_to_uart()
503 ch->ch_cached_lsr |= lsrbits; in neo_copy_data_from_queue_to_uart()
504 if (ch->ch_cached_lsr & UART_LSR_THRE) { in neo_copy_data_from_queue_to_uart()
505 ch->ch_cached_lsr &= ~(UART_LSR_THRE); in neo_copy_data_from_queue_to_uart()
508 writeb(c, &ch->ch_neo_uart->txrx); in neo_copy_data_from_queue_to_uart()
509 jsm_dbg(WRITE, &ch->ch_bd->pci_dev, "Tx data: %x\n", c); in neo_copy_data_from_queue_to_uart()
510 ch->ch_txcount++; in neo_copy_data_from_queue_to_uart()
518 if (!(ch->ch_flags & (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM))) in neo_copy_data_from_queue_to_uart()
521 n = UART_17158_TX_FIFOSIZE - ch->ch_t_tlevel; in neo_copy_data_from_queue_to_uart()
532 memcpy_toio(&ch->ch_neo_uart->txrxburst, tail, s); in neo_copy_data_from_queue_to_uart()
535 ch->ch_txcount += s; in neo_copy_data_from_queue_to_uart()
539 if (len_written >= ch->ch_t_tlevel) in neo_copy_data_from_queue_to_uart()
540 ch->ch_flags &= ~(CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_copy_data_from_queue_to_uart()
543 uart_write_wakeup(&ch->uart_port); in neo_copy_data_from_queue_to_uart()
546 static void neo_parse_modem(struct jsm_channel *ch, u8 signals) in neo_parse_modem() argument
550 jsm_dbg(MSIGS, &ch->ch_bd->pci_dev, in neo_parse_modem()
552 ch->ch_portnum, msignals); in neo_parse_modem()
559 uart_handle_dcd_change(&ch->uart_port, msignals & UART_MSR_DCD); in neo_parse_modem()
561 uart_handle_cts_change(&ch->uart_port, msignals & UART_MSR_CTS); in neo_parse_modem()
563 ch->ch_mistat |= UART_MSR_DCD; in neo_parse_modem()
565 ch->ch_mistat &= ~UART_MSR_DCD; in neo_parse_modem()
568 ch->ch_mistat |= UART_MSR_DSR; in neo_parse_modem()
570 ch->ch_mistat &= ~UART_MSR_DSR; in neo_parse_modem()
573 ch->ch_mistat |= UART_MSR_RI; in neo_parse_modem()
575 ch->ch_mistat &= ~UART_MSR_RI; in neo_parse_modem()
578 ch->ch_mistat |= UART_MSR_CTS; in neo_parse_modem()
580 ch->ch_mistat &= ~UART_MSR_CTS; in neo_parse_modem()
582 jsm_dbg(MSIGS, &ch->ch_bd->pci_dev, in neo_parse_modem()
584 ch->ch_portnum, in neo_parse_modem()
585 !!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_DTR), in neo_parse_modem()
586 !!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_RTS), in neo_parse_modem()
587 !!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_CTS), in neo_parse_modem()
588 !!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DSR), in neo_parse_modem()
589 !!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_RI), in neo_parse_modem()
590 !!((ch->ch_mistat | ch->ch_mostat) & UART_MSR_DCD)); in neo_parse_modem()
594 static void neo_assert_modem_signals(struct jsm_channel *ch) in neo_assert_modem_signals() argument
596 if (!ch) in neo_assert_modem_signals()
599 writeb(ch->ch_mostat, &ch->ch_neo_uart->mcr); in neo_assert_modem_signals()
602 neo_pci_posting_flush(ch->ch_bd); in neo_assert_modem_signals()
610 static void neo_flush_uart_write(struct jsm_channel *ch) in neo_flush_uart_write() argument
615 if (!ch) in neo_flush_uart_write()
618 writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT), &ch->ch_neo_uart->isr_fcr); in neo_flush_uart_write()
623 tmp = readb(&ch->ch_neo_uart->isr_fcr); in neo_flush_uart_write()
625 jsm_dbg(IOCTL, &ch->ch_bd->pci_dev, in neo_flush_uart_write()
633 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_flush_uart_write()
642 static void neo_flush_uart_read(struct jsm_channel *ch) in neo_flush_uart_read() argument
647 if (!ch) in neo_flush_uart_read()
650 writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR), &ch->ch_neo_uart->isr_fcr); in neo_flush_uart_read()
655 tmp = readb(&ch->ch_neo_uart->isr_fcr); in neo_flush_uart_read()
657 jsm_dbg(IOCTL, &ch->ch_bd->pci_dev, in neo_flush_uart_read()
669 static void neo_clear_break(struct jsm_channel *ch) in neo_clear_break() argument
673 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_clear_break()
676 if (ch->ch_flags & CH_BREAK_SENDING) { in neo_clear_break()
677 u8 temp = readb(&ch->ch_neo_uart->lcr); in neo_clear_break()
678 writeb((temp & ~UART_LCR_SBC), &ch->ch_neo_uart->lcr); in neo_clear_break()
680 ch->ch_flags &= ~(CH_BREAK_SENDING); in neo_clear_break()
681 jsm_dbg(IOCTL, &ch->ch_bd->pci_dev, in neo_clear_break()
686 neo_pci_posting_flush(ch->ch_bd); in neo_clear_break()
688 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_clear_break()
696 struct jsm_channel *ch; in neo_parse_isr() local
707 ch = brd->channels[port]; in neo_parse_isr()
708 if (!ch) in neo_parse_isr()
714 isr = readb(&ch->ch_neo_uart->isr_fcr); in neo_parse_isr()
725 jsm_dbg(INTR, &ch->ch_bd->pci_dev, "%s:%d isr: %x\n", in neo_parse_isr()
730 neo_copy_data_from_uart_to_queue(ch); in neo_parse_isr()
733 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_isr()
734 jsm_check_queue_flow_control(ch); in neo_parse_isr()
735 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_isr()
740 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_isr()
741 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_parse_isr()
742 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_isr()
743 neo_copy_data_from_queue_to_uart(ch); in neo_parse_isr()
747 cause = readb(&ch->ch_neo_uart->xoffchar1); in neo_parse_isr()
749 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_isr()
758 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_isr()
762 ch->ch_flags &= ~(CH_STOP); in neo_parse_isr()
764 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_isr()
770 ch->ch_flags |= CH_STOP; in neo_parse_isr()
771 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_isr()
774 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_isr()
778 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_isr()
786 cause = readb(&ch->ch_neo_uart->mcr); in neo_parse_isr()
789 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_isr()
792 ch->ch_mostat |= UART_MCR_RTS; in neo_parse_isr()
794 ch->ch_mostat &= ~(UART_MCR_RTS); in neo_parse_isr()
797 ch->ch_mostat |= UART_MCR_DTR; in neo_parse_isr()
799 ch->ch_mostat &= ~(UART_MCR_DTR); in neo_parse_isr()
801 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_isr()
805 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_isr()
807 uart_port_lock_irqsave(&ch->uart_port, &lock_flags); in neo_parse_isr()
808 neo_parse_modem(ch, readb(&ch->ch_neo_uart->msr)); in neo_parse_isr()
809 uart_port_unlock_irqrestore(&ch->uart_port, lock_flags); in neo_parse_isr()
815 struct jsm_channel *ch; in neo_parse_lsr() local
825 ch = brd->channels[port]; in neo_parse_lsr()
826 if (!ch) in neo_parse_lsr()
829 linestatus = readb(&ch->ch_neo_uart->lsr); in neo_parse_lsr()
831 jsm_dbg(INTR, &ch->ch_bd->pci_dev, "%s:%d port: %d linestatus: %x\n", in neo_parse_lsr()
834 ch->ch_cached_lsr |= linestatus; in neo_parse_lsr()
836 if (ch->ch_cached_lsr & UART_LSR_DR) { in neo_parse_lsr()
838 neo_copy_data_from_uart_to_queue(ch); in neo_parse_lsr()
839 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_lsr()
840 jsm_check_queue_flow_control(ch); in neo_parse_lsr()
841 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_lsr()
851 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_lsr()
861 ch->ch_err_parity++; in neo_parse_lsr()
862 jsm_dbg(INTR, &ch->ch_bd->pci_dev, "%s:%d Port: %d. PAR ERR!\n", in neo_parse_lsr()
867 ch->ch_err_frame++; in neo_parse_lsr()
868 jsm_dbg(INTR, &ch->ch_bd->pci_dev, "%s:%d Port: %d. FRM ERR!\n", in neo_parse_lsr()
873 ch->ch_err_break++; in neo_parse_lsr()
874 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_lsr()
886 ch->ch_err_overrun++; in neo_parse_lsr()
887 jsm_dbg(INTR, &ch->ch_bd->pci_dev, in neo_parse_lsr()
893 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_lsr()
894 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_parse_lsr()
895 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_lsr()
898 neo_copy_data_from_queue_to_uart(ch); in neo_parse_lsr()
901 spin_lock_irqsave(&ch->ch_lock, lock_flags); in neo_parse_lsr()
902 ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); in neo_parse_lsr()
903 spin_unlock_irqrestore(&ch->ch_lock, lock_flags); in neo_parse_lsr()
906 neo_copy_data_from_queue_to_uart(ch); in neo_parse_lsr()
914 static void neo_param(struct jsm_channel *ch) in neo_param() argument
922 bd = ch->ch_bd; in neo_param()
929 if ((ch->ch_c_cflag & CBAUD) == B0) { in neo_param()
930 ch->ch_r_head = ch->ch_r_tail = 0; in neo_param()
931 ch->ch_e_head = ch->ch_e_tail = 0; in neo_param()
933 neo_flush_uart_write(ch); in neo_param()
934 neo_flush_uart_read(ch); in neo_param()
936 ch->ch_flags |= (CH_BAUD0); in neo_param()
937 ch->ch_mostat &= ~(UART_MCR_RTS | UART_MCR_DTR); in neo_param()
938 neo_assert_modem_signals(ch); in neo_param()
969 cflag = C_BAUD(ch->uart_port.state->port.tty); in neo_param()
978 if (ch->ch_flags & CH_BAUD0) in neo_param()
979 ch->ch_flags &= ~(CH_BAUD0); in neo_param()
982 if (ch->ch_c_cflag & PARENB) in neo_param()
985 if (!(ch->ch_c_cflag & PARODD)) in neo_param()
988 if (ch->ch_c_cflag & CMSPAR) in neo_param()
991 if (ch->ch_c_cflag & CSTOPB) in neo_param()
994 lcr |= UART_LCR_WLEN(tty_get_char_size(ch->ch_c_cflag)); in neo_param()
996 ier = readb(&ch->ch_neo_uart->ier); in neo_param()
997 uart_lcr = readb(&ch->ch_neo_uart->lcr); in neo_param()
999 quot = ch->ch_bd->bd_dividend / baud; in neo_param()
1002 writeb(UART_LCR_DLAB, &ch->ch_neo_uart->lcr); in neo_param()
1003 writeb((quot & 0xff), &ch->ch_neo_uart->txrx); in neo_param()
1004 writeb((quot >> 8), &ch->ch_neo_uart->ier); in neo_param()
1005 writeb(lcr, &ch->ch_neo_uart->lcr); in neo_param()
1009 writeb(lcr, &ch->ch_neo_uart->lcr); in neo_param()
1011 if (ch->ch_c_cflag & CREAD) in neo_param()
1016 writeb(ier, &ch->ch_neo_uart->ier); in neo_param()
1019 neo_set_new_start_stop_chars(ch); in neo_param()
1021 if (ch->ch_c_cflag & CRTSCTS) in neo_param()
1022 neo_set_cts_flow_control(ch); in neo_param()
1023 else if (ch->ch_c_iflag & IXON) { in neo_param()
1025 if ((ch->ch_startc == __DISABLED_CHAR) || (ch->ch_stopc == __DISABLED_CHAR)) in neo_param()
1026 neo_set_no_output_flow_control(ch); in neo_param()
1028 neo_set_ixon_flow_control(ch); in neo_param()
1031 neo_set_no_output_flow_control(ch); in neo_param()
1033 if (ch->ch_c_cflag & CRTSCTS) in neo_param()
1034 neo_set_rts_flow_control(ch); in neo_param()
1035 else if (ch->ch_c_iflag & IXOFF) { in neo_param()
1037 if ((ch->ch_startc == __DISABLED_CHAR) || (ch->ch_stopc == __DISABLED_CHAR)) in neo_param()
1038 neo_set_no_input_flow_control(ch); in neo_param()
1040 neo_set_ixoff_flow_control(ch); in neo_param()
1043 neo_set_no_input_flow_control(ch); in neo_param()
1050 writeb(1, &ch->ch_neo_uart->rfifo); in neo_param()
1051 ch->ch_r_tlevel = 1; in neo_param()
1054 neo_assert_modem_signals(ch); in neo_param()
1057 neo_parse_modem(ch, readb(&ch->ch_neo_uart->msr)); in neo_param()
1069 struct jsm_channel *ch; in neo_intr() local
1145 ch = brd->channels[port]; in neo_intr()
1146 if (!ch) in neo_intr()
1149 neo_copy_data_from_uart_to_queue(ch); in neo_intr()
1152 spin_lock_irqsave(&ch->ch_lock, lock_flags2); in neo_intr()
1153 jsm_check_queue_flow_control(ch); in neo_intr()
1154 spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); in neo_intr()
1213 static void neo_disable_receiver(struct jsm_channel *ch) in neo_disable_receiver() argument
1215 u8 tmp = readb(&ch->ch_neo_uart->ier); in neo_disable_receiver()
1217 writeb(tmp, &ch->ch_neo_uart->ier); in neo_disable_receiver()
1220 neo_pci_posting_flush(ch->ch_bd); in neo_disable_receiver()
1229 static void neo_enable_receiver(struct jsm_channel *ch) in neo_enable_receiver() argument
1231 u8 tmp = readb(&ch->ch_neo_uart->ier); in neo_enable_receiver()
1233 writeb(tmp, &ch->ch_neo_uart->ier); in neo_enable_receiver()
1236 neo_pci_posting_flush(ch->ch_bd); in neo_enable_receiver()
1239 static void neo_send_start_character(struct jsm_channel *ch) in neo_send_start_character() argument
1241 if (!ch) in neo_send_start_character()
1244 if (ch->ch_startc != __DISABLED_CHAR) { in neo_send_start_character()
1245 ch->ch_xon_sends++; in neo_send_start_character()
1246 writeb(ch->ch_startc, &ch->ch_neo_uart->txrx); in neo_send_start_character()
1249 neo_pci_posting_flush(ch->ch_bd); in neo_send_start_character()
1253 static void neo_send_stop_character(struct jsm_channel *ch) in neo_send_stop_character() argument
1255 if (!ch) in neo_send_stop_character()
1258 if (ch->ch_stopc != __DISABLED_CHAR) { in neo_send_stop_character()
1259 ch->ch_xoff_sends++; in neo_send_stop_character()
1260 writeb(ch->ch_stopc, &ch->ch_neo_uart->txrx); in neo_send_stop_character()
1263 neo_pci_posting_flush(ch->ch_bd); in neo_send_stop_character()
1270 static void neo_uart_init(struct jsm_channel *ch) in neo_uart_init() argument
1272 writeb(0, &ch->ch_neo_uart->ier); in neo_uart_init()
1273 writeb(0, &ch->ch_neo_uart->efr); in neo_uart_init()
1274 writeb(UART_EFR_ECB, &ch->ch_neo_uart->efr); in neo_uart_init()
1277 readb(&ch->ch_neo_uart->txrx); in neo_uart_init()
1278 writeb((UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|UART_FCR_CLEAR_XMIT), &ch->ch_neo_uart->isr_fcr); in neo_uart_init()
1279 readb(&ch->ch_neo_uart->lsr); in neo_uart_init()
1280 readb(&ch->ch_neo_uart->msr); in neo_uart_init()
1282 ch->ch_flags |= CH_FIFO_ENABLED; in neo_uart_init()
1285 writeb(ch->ch_mostat, &ch->ch_neo_uart->mcr); in neo_uart_init()
1291 static void neo_uart_off(struct jsm_channel *ch) in neo_uart_off() argument
1294 writeb(0, &ch->ch_neo_uart->efr); in neo_uart_off()
1297 writeb(0, &ch->ch_neo_uart->ier); in neo_uart_off()
1301 static void neo_send_break(struct jsm_channel *ch) in neo_send_break() argument
1310 if (!(ch->ch_flags & CH_BREAK_SENDING)) { in neo_send_break()
1311 u8 temp = readb(&ch->ch_neo_uart->lcr); in neo_send_break()
1312 writeb((temp | UART_LCR_SBC), &ch->ch_neo_uart->lcr); in neo_send_break()
1313 ch->ch_flags |= (CH_BREAK_SENDING); in neo_send_break()
1316 neo_pci_posting_flush(ch->ch_bd); in neo_send_break()