Lines Matching refs:up
107 static unsigned int serial_in(struct uart_sunsu_port *up, int offset) in serial_in() argument
109 offset <<= up->port.regshift; in serial_in()
111 switch (up->port.iotype) { in serial_in()
113 outb(up->port.hub6 - 1 + offset, up->port.iobase); in serial_in()
114 return inb(up->port.iobase + 1); in serial_in()
117 return readb(up->port.membase + offset); in serial_in()
120 return inb(up->port.iobase + offset); in serial_in()
124 static void serial_out(struct uart_sunsu_port *up, int offset, int value) in serial_out() argument
138 offset <<= up->port.regshift; in serial_out()
140 switch (up->port.iotype) { in serial_out()
142 outb(up->port.hub6 - 1 + offset, up->port.iobase); in serial_out()
143 outb(value, up->port.iobase + 1); in serial_out()
147 writeb(value, up->port.membase + offset); in serial_out()
151 outb(value, up->port.iobase + offset); in serial_out()
161 #define serial_inp(up, offset) serial_in(up, offset) argument
162 #define serial_outp(up, offset, value) serial_out(up, offset, value) argument
168 static void serial_icr_write(struct uart_sunsu_port *up, int offset, int value) in serial_icr_write() argument
170 serial_out(up, UART_SCR, offset); in serial_icr_write()
171 serial_out(up, UART_ICR, value); in serial_icr_write()
175 static unsigned int serial_icr_read(struct uart_sunsu_port *up, int offset)
179 serial_icr_write(up, UART_ACR, up->acr | UART_ACR_ICRRD);
180 serial_out(up, UART_SCR, offset);
181 value = serial_in(up, UART_ICR);
182 serial_icr_write(up, UART_ACR, up->acr);
193 static int __enable_rsa(struct uart_sunsu_port *up) in __enable_rsa() argument
198 mode = serial_inp(up, UART_RSA_MSR); in __enable_rsa()
202 serial_outp(up, UART_RSA_MSR, mode | UART_RSA_MSR_FIFO); in __enable_rsa()
203 mode = serial_inp(up, UART_RSA_MSR); in __enable_rsa()
208 up->port.uartclk = SERIAL_RSA_BAUD_BASE * 16; in __enable_rsa()
213 static void enable_rsa(struct uart_sunsu_port *up) in enable_rsa() argument
215 if (up->port.type == PORT_RSA) { in enable_rsa()
216 if (up->port.uartclk != SERIAL_RSA_BAUD_BASE * 16) { in enable_rsa()
217 spin_lock_irq(&up->port.lock); in enable_rsa()
218 __enable_rsa(up); in enable_rsa()
219 spin_unlock_irq(&up->port.lock); in enable_rsa()
221 if (up->port.uartclk == SERIAL_RSA_BAUD_BASE * 16) in enable_rsa()
222 serial_outp(up, UART_RSA_FRR, 0); in enable_rsa()
232 static void disable_rsa(struct uart_sunsu_port *up) in disable_rsa() argument
237 if (up->port.type == PORT_RSA && in disable_rsa()
238 up->port.uartclk == SERIAL_RSA_BAUD_BASE * 16) { in disable_rsa()
239 spin_lock_irq(&up->port.lock); in disable_rsa()
241 mode = serial_inp(up, UART_RSA_MSR); in disable_rsa()
245 serial_outp(up, UART_RSA_MSR, mode & ~UART_RSA_MSR_FIFO); in disable_rsa()
246 mode = serial_inp(up, UART_RSA_MSR); in disable_rsa()
251 up->port.uartclk = SERIAL_RSA_BAUD_BASE_LO * 16; in disable_rsa()
252 spin_unlock_irq(&up->port.lock); in disable_rsa()
267 struct uart_sunsu_port *up = in sunsu_stop_tx() local
270 __stop_tx(up); in sunsu_stop_tx()
275 if (up->port.type == PORT_16C950) { in sunsu_stop_tx()
276 up->acr |= UART_ACR_TXDIS; in sunsu_stop_tx()
277 serial_icr_write(up, UART_ACR, up->acr); in sunsu_stop_tx()
283 struct uart_sunsu_port *up = in sunsu_start_tx() local
286 if (!(up->ier & UART_IER_THRI)) { in sunsu_start_tx()
287 up->ier |= UART_IER_THRI; in sunsu_start_tx()
288 serial_out(up, UART_IER, up->ier); in sunsu_start_tx()
294 if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) { in sunsu_start_tx()
295 up->acr &= ~UART_ACR_TXDIS; in sunsu_start_tx()
296 serial_icr_write(up, UART_ACR, up->acr); in sunsu_start_tx()
302 struct uart_sunsu_port *up = in sunsu_stop_rx() local
305 up->ier &= ~UART_IER_RLSI; in sunsu_stop_rx()
306 up->port.read_status_mask &= ~UART_LSR_DR; in sunsu_stop_rx()
307 serial_out(up, UART_IER, up->ier); in sunsu_stop_rx()
312 struct uart_sunsu_port *up = in sunsu_enable_ms() local
316 spin_lock_irqsave(&up->port.lock, flags); in sunsu_enable_ms()
317 up->ier |= UART_IER_MSI; in sunsu_enable_ms()
318 serial_out(up, UART_IER, up->ier); in sunsu_enable_ms()
319 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_enable_ms()
323 receive_chars(struct uart_sunsu_port *up, unsigned char *status) in receive_chars() argument
325 struct tty_port *port = &up->port.state->port; in receive_chars()
331 ch = serial_inp(up, UART_RX); in receive_chars()
333 up->port.icount.rx++; in receive_chars()
342 up->port.icount.brk++; in receive_chars()
343 if (up->port.cons != NULL && in receive_chars()
344 up->port.line == up->port.cons->index) in receive_chars()
352 if (uart_handle_break(&up->port)) in receive_chars()
355 up->port.icount.parity++; in receive_chars()
357 up->port.icount.frame++; in receive_chars()
359 up->port.icount.overrun++; in receive_chars()
364 *status &= up->port.read_status_mask; in receive_chars()
366 if (up->port.cons != NULL && in receive_chars()
367 up->port.line == up->port.cons->index) { in receive_chars()
369 *status |= up->lsr_break_flag; in receive_chars()
370 up->lsr_break_flag = 0; in receive_chars()
380 if (uart_handle_sysrq_char(&up->port, ch)) in receive_chars()
382 if ((*status & up->port.ignore_status_mask) == 0) in receive_chars()
392 *status = serial_inp(up, UART_LSR); in receive_chars()
399 static void transmit_chars(struct uart_sunsu_port *up) in transmit_chars() argument
401 struct circ_buf *xmit = &up->port.state->xmit; in transmit_chars()
404 if (up->port.x_char) { in transmit_chars()
405 serial_outp(up, UART_TX, up->port.x_char); in transmit_chars()
406 up->port.icount.tx++; in transmit_chars()
407 up->port.x_char = 0; in transmit_chars()
410 if (uart_tx_stopped(&up->port)) { in transmit_chars()
411 sunsu_stop_tx(&up->port); in transmit_chars()
415 __stop_tx(up); in transmit_chars()
419 count = up->port.fifosize; in transmit_chars()
421 serial_out(up, UART_TX, xmit->buf[xmit->tail]); in transmit_chars()
423 up->port.icount.tx++; in transmit_chars()
429 uart_write_wakeup(&up->port); in transmit_chars()
432 __stop_tx(up); in transmit_chars()
435 static void check_modem_status(struct uart_sunsu_port *up) in check_modem_status() argument
439 status = serial_in(up, UART_MSR); in check_modem_status()
445 up->port.icount.rng++; in check_modem_status()
447 up->port.icount.dsr++; in check_modem_status()
449 uart_handle_dcd_change(&up->port, status & UART_MSR_DCD); in check_modem_status()
451 uart_handle_cts_change(&up->port, status & UART_MSR_CTS); in check_modem_status()
453 wake_up_interruptible(&up->port.state->port.delta_msr_wait); in check_modem_status()
458 struct uart_sunsu_port *up = dev_id; in sunsu_serial_interrupt() local
462 spin_lock_irqsave(&up->port.lock, flags); in sunsu_serial_interrupt()
465 status = serial_inp(up, UART_LSR); in sunsu_serial_interrupt()
467 receive_chars(up, &status); in sunsu_serial_interrupt()
468 check_modem_status(up); in sunsu_serial_interrupt()
470 transmit_chars(up); in sunsu_serial_interrupt()
472 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_serial_interrupt()
474 tty_flip_buffer_push(&up->port.state->port); in sunsu_serial_interrupt()
476 spin_lock_irqsave(&up->port.lock, flags); in sunsu_serial_interrupt()
478 } while (!(serial_in(up, UART_IIR) & UART_IIR_NO_INT)); in sunsu_serial_interrupt()
480 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_serial_interrupt()
491 static void sunsu_change_mouse_baud(struct uart_sunsu_port *up) in sunsu_change_mouse_baud() argument
493 unsigned int cur_cflag = up->cflag; in sunsu_change_mouse_baud()
496 up->cflag &= ~CBAUD; in sunsu_change_mouse_baud()
497 up->cflag |= suncore_mouse_baud_cflag_next(cur_cflag, &new_baud); in sunsu_change_mouse_baud()
499 quot = up->port.uartclk / (16 * new_baud); in sunsu_change_mouse_baud()
501 sunsu_change_speed(&up->port, up->cflag, 0, quot); in sunsu_change_mouse_baud()
504 static void receive_kbd_ms_chars(struct uart_sunsu_port *up, int is_break) in receive_kbd_ms_chars() argument
507 unsigned char ch = serial_inp(up, UART_RX); in receive_kbd_ms_chars()
510 if (up->su_type == SU_PORT_KBD) { in receive_kbd_ms_chars()
512 serio_interrupt(&up->serio, ch, 0); in receive_kbd_ms_chars()
514 } else if (up->su_type == SU_PORT_MS) { in receive_kbd_ms_chars()
519 sunsu_change_mouse_baud(up); in receive_kbd_ms_chars()
526 serio_interrupt(&up->serio, ch, 0); in receive_kbd_ms_chars()
531 } while (serial_in(up, UART_LSR) & UART_LSR_DR); in receive_kbd_ms_chars()
536 struct uart_sunsu_port *up = dev_id; in sunsu_kbd_ms_interrupt() local
538 if (!(serial_in(up, UART_IIR) & UART_IIR_NO_INT)) { in sunsu_kbd_ms_interrupt()
539 unsigned char status = serial_inp(up, UART_LSR); in sunsu_kbd_ms_interrupt()
542 receive_kbd_ms_chars(up, (status & UART_LSR_BI) != 0); in sunsu_kbd_ms_interrupt()
550 struct uart_sunsu_port *up = in sunsu_tx_empty() local
555 spin_lock_irqsave(&up->port.lock, flags); in sunsu_tx_empty()
556 ret = serial_in(up, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0; in sunsu_tx_empty()
557 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_tx_empty()
564 struct uart_sunsu_port *up = in sunsu_get_mctrl() local
569 status = serial_in(up, UART_MSR); in sunsu_get_mctrl()
585 struct uart_sunsu_port *up = in sunsu_set_mctrl() local
600 serial_out(up, UART_MCR, mcr); in sunsu_set_mctrl()
605 struct uart_sunsu_port *up = in sunsu_break_ctl() local
609 spin_lock_irqsave(&up->port.lock, flags); in sunsu_break_ctl()
611 up->lcr |= UART_LCR_SBC; in sunsu_break_ctl()
613 up->lcr &= ~UART_LCR_SBC; in sunsu_break_ctl()
614 serial_out(up, UART_LCR, up->lcr); in sunsu_break_ctl()
615 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_break_ctl()
620 struct uart_sunsu_port *up = in sunsu_startup() local
625 if (up->port.type == PORT_16C950) { in sunsu_startup()
627 up->acr = 0; in sunsu_startup()
628 serial_outp(up, UART_LCR, 0xBF); in sunsu_startup()
629 serial_outp(up, UART_EFR, UART_EFR_ECB); in sunsu_startup()
630 serial_outp(up, UART_IER, 0); in sunsu_startup()
631 serial_outp(up, UART_LCR, 0); in sunsu_startup()
632 serial_icr_write(up, UART_CSR, 0); /* Reset the UART */ in sunsu_startup()
633 serial_outp(up, UART_LCR, 0xBF); in sunsu_startup()
634 serial_outp(up, UART_EFR, UART_EFR_ECB); in sunsu_startup()
635 serial_outp(up, UART_LCR, 0); in sunsu_startup()
643 enable_rsa(up); in sunsu_startup()
650 if (uart_config[up->port.type].flags & UART_CLEAR_FIFO) { in sunsu_startup()
651 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); in sunsu_startup()
652 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO | in sunsu_startup()
654 serial_outp(up, UART_FCR, 0); in sunsu_startup()
660 (void) serial_inp(up, UART_LSR); in sunsu_startup()
661 (void) serial_inp(up, UART_RX); in sunsu_startup()
662 (void) serial_inp(up, UART_IIR); in sunsu_startup()
663 (void) serial_inp(up, UART_MSR); in sunsu_startup()
670 if (!(up->port.flags & UPF_BUGGY_UART) && in sunsu_startup()
671 (serial_inp(up, UART_LSR) == 0xff)) { in sunsu_startup()
672 printk("ttyS%d: LSR safety check engaged!\n", up->port.line); in sunsu_startup()
676 if (up->su_type != SU_PORT_PORT) { in sunsu_startup()
677 retval = request_irq(up->port.irq, sunsu_kbd_ms_interrupt, in sunsu_startup()
678 IRQF_SHARED, su_typev[up->su_type], up); in sunsu_startup()
680 retval = request_irq(up->port.irq, sunsu_serial_interrupt, in sunsu_startup()
681 IRQF_SHARED, su_typev[up->su_type], up); in sunsu_startup()
684 printk("su: Cannot register IRQ %d\n", up->port.irq); in sunsu_startup()
691 serial_outp(up, UART_LCR, UART_LCR_WLEN8); in sunsu_startup()
693 spin_lock_irqsave(&up->port.lock, flags); in sunsu_startup()
695 up->port.mctrl |= TIOCM_OUT2; in sunsu_startup()
697 sunsu_set_mctrl(&up->port, up->port.mctrl); in sunsu_startup()
698 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_startup()
705 up->ier = UART_IER_RLSI | UART_IER_RDI; in sunsu_startup()
706 serial_outp(up, UART_IER, up->ier); in sunsu_startup()
708 if (up->port.flags & UPF_FOURPORT) { in sunsu_startup()
713 icp = (up->port.iobase & 0xfe0) | 0x01f; in sunsu_startup()
721 (void) serial_inp(up, UART_LSR); in sunsu_startup()
722 (void) serial_inp(up, UART_RX); in sunsu_startup()
723 (void) serial_inp(up, UART_IIR); in sunsu_startup()
724 (void) serial_inp(up, UART_MSR); in sunsu_startup()
731 struct uart_sunsu_port *up = in sunsu_shutdown() local
738 up->ier = 0; in sunsu_shutdown()
739 serial_outp(up, UART_IER, 0); in sunsu_shutdown()
741 spin_lock_irqsave(&up->port.lock, flags); in sunsu_shutdown()
742 if (up->port.flags & UPF_FOURPORT) { in sunsu_shutdown()
744 inb((up->port.iobase & 0xfe0) | 0x1f); in sunsu_shutdown()
745 up->port.mctrl |= TIOCM_OUT1; in sunsu_shutdown()
747 up->port.mctrl &= ~TIOCM_OUT2; in sunsu_shutdown()
749 sunsu_set_mctrl(&up->port, up->port.mctrl); in sunsu_shutdown()
750 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_shutdown()
755 serial_out(up, UART_LCR, serial_inp(up, UART_LCR) & ~UART_LCR_SBC); in sunsu_shutdown()
756 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO | in sunsu_shutdown()
759 serial_outp(up, UART_FCR, 0); in sunsu_shutdown()
765 disable_rsa(up); in sunsu_shutdown()
771 (void) serial_in(up, UART_RX); in sunsu_shutdown()
773 free_irq(up->port.irq, up); in sunsu_shutdown()
780 struct uart_sunsu_port *up = in sunsu_change_speed() local
817 if ((quot & 0xff) == 0 && up->port.type == PORT_16C950 && in sunsu_change_speed()
818 up->rev == 0x5201) in sunsu_change_speed()
821 if (uart_config[up->port.type].flags & UART_USE_FIFO) { in sunsu_change_speed()
822 if ((up->port.uartclk / quot) < (2400 * 16)) in sunsu_change_speed()
825 else if (up->port.type == PORT_RSA) in sunsu_change_speed()
831 if (up->port.type == PORT_16750) in sunsu_change_speed()
838 spin_lock_irqsave(&up->port.lock, flags); in sunsu_change_speed()
845 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sunsu_change_speed()
847 up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; in sunsu_change_speed()
849 up->port.read_status_mask |= UART_LSR_BI; in sunsu_change_speed()
854 up->port.ignore_status_mask = 0; in sunsu_change_speed()
856 up->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; in sunsu_change_speed()
858 up->port.ignore_status_mask |= UART_LSR_BI; in sunsu_change_speed()
864 up->port.ignore_status_mask |= UART_LSR_OE; in sunsu_change_speed()
871 up->port.ignore_status_mask |= UART_LSR_DR; in sunsu_change_speed()
876 up->ier &= ~UART_IER_MSI; in sunsu_change_speed()
877 if (UART_ENABLE_MS(&up->port, cflag)) in sunsu_change_speed()
878 up->ier |= UART_IER_MSI; in sunsu_change_speed()
880 serial_out(up, UART_IER, up->ier); in sunsu_change_speed()
882 if (uart_config[up->port.type].flags & UART_STARTECH) { in sunsu_change_speed()
883 serial_outp(up, UART_LCR, 0xBF); in sunsu_change_speed()
884 serial_outp(up, UART_EFR, cflag & CRTSCTS ? UART_EFR_CTS :0); in sunsu_change_speed()
886 serial_outp(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ in sunsu_change_speed()
887 serial_outp(up, UART_DLL, quot & 0xff); /* LS of divisor */ in sunsu_change_speed()
888 serial_outp(up, UART_DLM, quot >> 8); /* MS of divisor */ in sunsu_change_speed()
889 if (up->port.type == PORT_16750) in sunsu_change_speed()
890 serial_outp(up, UART_FCR, fcr); /* set fcr */ in sunsu_change_speed()
891 serial_outp(up, UART_LCR, cval); /* reset DLAB */ in sunsu_change_speed()
892 up->lcr = cval; /* Save LCR */ in sunsu_change_speed()
893 if (up->port.type != PORT_16750) { in sunsu_change_speed()
896 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); in sunsu_change_speed()
898 serial_outp(up, UART_FCR, fcr); /* set fcr */ in sunsu_change_speed()
901 up->cflag = cflag; in sunsu_change_speed()
903 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_change_speed()
932 struct uart_sunsu_port *up = in sunsu_config_port() local
941 port->type = up->type_probed; /* XXX */ in sunsu_config_port()
991 struct uart_sunsu_port *up = serio->port_data; in sunsu_serio_write() local
998 lsr = serial_in(up, UART_LSR); in sunsu_serio_write()
1002 serial_out(up, UART_TX, ch); in sunsu_serio_write()
1011 struct uart_sunsu_port *up = serio->port_data; in sunsu_serio_open() local
1016 if (!up->serio_open) { in sunsu_serio_open()
1017 up->serio_open = 1; in sunsu_serio_open()
1028 struct uart_sunsu_port *up = serio->port_data; in sunsu_serio_close() local
1032 up->serio_open = 0; in sunsu_serio_close()
1038 static void sunsu_autoconfig(struct uart_sunsu_port *up) in sunsu_autoconfig() argument
1044 if (up->su_type == SU_PORT_NONE) in sunsu_autoconfig()
1047 up->type_probed = PORT_UNKNOWN; in sunsu_autoconfig()
1048 up->port.iotype = UPIO_MEM; in sunsu_autoconfig()
1050 spin_lock_irqsave(&up->port.lock, flags); in sunsu_autoconfig()
1052 if (!(up->port.flags & UPF_BUGGY_UART)) { in sunsu_autoconfig()
1062 scratch = serial_inp(up, UART_IER); in sunsu_autoconfig()
1063 serial_outp(up, UART_IER, 0); in sunsu_autoconfig()
1067 scratch2 = serial_inp(up, UART_IER); in sunsu_autoconfig()
1068 serial_outp(up, UART_IER, 0x0f); in sunsu_autoconfig()
1072 scratch3 = serial_inp(up, UART_IER); in sunsu_autoconfig()
1073 serial_outp(up, UART_IER, scratch); in sunsu_autoconfig()
1078 save_mcr = serial_in(up, UART_MCR); in sunsu_autoconfig()
1079 save_lcr = serial_in(up, UART_LCR); in sunsu_autoconfig()
1090 if (!(up->port.flags & UPF_SKIP_TEST)) { in sunsu_autoconfig()
1091 serial_outp(up, UART_MCR, UART_MCR_LOOP | 0x0A); in sunsu_autoconfig()
1092 status1 = serial_inp(up, UART_MSR) & 0xF0; in sunsu_autoconfig()
1093 serial_outp(up, UART_MCR, save_mcr); in sunsu_autoconfig()
1097 serial_outp(up, UART_LCR, 0xBF); /* set up for StarTech test */ in sunsu_autoconfig()
1098 serial_outp(up, UART_EFR, 0); /* EFR is the same as FCR */ in sunsu_autoconfig()
1099 serial_outp(up, UART_LCR, 0); in sunsu_autoconfig()
1100 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); in sunsu_autoconfig()
1101 scratch = serial_in(up, UART_IIR) >> 6; in sunsu_autoconfig()
1104 up->port.type = PORT_16450; in sunsu_autoconfig()
1107 up->port.type = PORT_UNKNOWN; in sunsu_autoconfig()
1110 up->port.type = PORT_16550; in sunsu_autoconfig()
1113 up->port.type = PORT_16550A; in sunsu_autoconfig()
1116 if (up->port.type == PORT_16550A) { in sunsu_autoconfig()
1118 serial_outp(up, UART_LCR, UART_LCR_DLAB); in sunsu_autoconfig()
1119 if (serial_in(up, UART_EFR) == 0) { in sunsu_autoconfig()
1120 up->port.type = PORT_16650; in sunsu_autoconfig()
1122 serial_outp(up, UART_LCR, 0xBF); in sunsu_autoconfig()
1123 if (serial_in(up, UART_EFR) == 0) in sunsu_autoconfig()
1124 up->port.type = PORT_16650V2; in sunsu_autoconfig()
1127 if (up->port.type == PORT_16550A) { in sunsu_autoconfig()
1129 serial_outp(up, UART_LCR, save_lcr | UART_LCR_DLAB); in sunsu_autoconfig()
1130 serial_outp(up, UART_FCR, in sunsu_autoconfig()
1132 scratch = serial_in(up, UART_IIR) >> 5; in sunsu_autoconfig()
1140 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); in sunsu_autoconfig()
1141 serial_outp(up, UART_LCR, 0); in sunsu_autoconfig()
1142 serial_outp(up, UART_FCR, in sunsu_autoconfig()
1144 scratch = serial_in(up, UART_IIR) >> 5; in sunsu_autoconfig()
1146 up->port.type = PORT_16750; in sunsu_autoconfig()
1148 serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO); in sunsu_autoconfig()
1150 serial_outp(up, UART_LCR, save_lcr); in sunsu_autoconfig()
1151 if (up->port.type == PORT_16450) { in sunsu_autoconfig()
1152 scratch = serial_in(up, UART_SCR); in sunsu_autoconfig()
1153 serial_outp(up, UART_SCR, 0xa5); in sunsu_autoconfig()
1154 status1 = serial_in(up, UART_SCR); in sunsu_autoconfig()
1155 serial_outp(up, UART_SCR, 0x5a); in sunsu_autoconfig()
1156 status2 = serial_in(up, UART_SCR); in sunsu_autoconfig()
1157 serial_outp(up, UART_SCR, scratch); in sunsu_autoconfig()
1160 up->port.type = PORT_8250; in sunsu_autoconfig()
1163 up->port.fifosize = uart_config[up->port.type].dfl_xmit_fifo_size; in sunsu_autoconfig()
1165 if (up->port.type == PORT_UNKNOWN) in sunsu_autoconfig()
1167 up->type_probed = up->port.type; /* XXX */ in sunsu_autoconfig()
1173 if (up->port.type == PORT_RSA) in sunsu_autoconfig()
1174 serial_outp(up, UART_RSA_FRR, 0); in sunsu_autoconfig()
1176 serial_outp(up, UART_MCR, save_mcr); in sunsu_autoconfig()
1177 serial_outp(up, UART_FCR, (UART_FCR_ENABLE_FIFO | in sunsu_autoconfig()
1180 serial_outp(up, UART_FCR, 0); in sunsu_autoconfig()
1181 (void)serial_in(up, UART_RX); in sunsu_autoconfig()
1182 serial_outp(up, UART_IER, 0); in sunsu_autoconfig()
1185 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_autoconfig()
1195 static int sunsu_kbd_ms_init(struct uart_sunsu_port *up) in sunsu_kbd_ms_init() argument
1202 if (up->su_type == SU_PORT_KBD) { in sunsu_kbd_ms_init()
1203 up->cflag = B1200 | CS8 | CLOCAL | CREAD; in sunsu_kbd_ms_init()
1206 up->cflag = B4800 | CS8 | CLOCAL | CREAD; in sunsu_kbd_ms_init()
1209 quot = up->port.uartclk / (16 * baud); in sunsu_kbd_ms_init()
1211 sunsu_autoconfig(up); in sunsu_kbd_ms_init()
1212 if (up->port.type == PORT_UNKNOWN) in sunsu_kbd_ms_init()
1216 up->port.dev->of_node, in sunsu_kbd_ms_init()
1217 (up->su_type == SU_PORT_KBD) ? "Keyboard" : "Mouse", in sunsu_kbd_ms_init()
1218 (unsigned long long) up->port.mapbase, in sunsu_kbd_ms_init()
1219 up->port.irq); in sunsu_kbd_ms_init()
1222 serio = &up->serio; in sunsu_kbd_ms_init()
1223 serio->port_data = up; in sunsu_kbd_ms_init()
1226 if (up->su_type == SU_PORT_KBD) { in sunsu_kbd_ms_init()
1235 (!(up->port.line & 1) ? "su/serio0" : "su/serio1"), in sunsu_kbd_ms_init()
1241 serio->dev.parent = up->port.dev; in sunsu_kbd_ms_init()
1246 sunsu_change_speed(&up->port, up->cflag, 0, quot); in sunsu_kbd_ms_init()
1248 sunsu_startup(&up->port); in sunsu_kbd_ms_init()
1265 static void wait_for_xmitr(struct uart_sunsu_port *up) in wait_for_xmitr() argument
1271 status = serial_in(up, UART_LSR); in wait_for_xmitr()
1274 up->lsr_break_flag = UART_LSR_BI; in wait_for_xmitr()
1282 if (up->port.flags & UPF_CONS_FLOW) { in wait_for_xmitr()
1285 ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0)) in wait_for_xmitr()
1292 struct uart_sunsu_port *up = in sunsu_console_putchar() local
1295 wait_for_xmitr(up); in sunsu_console_putchar()
1296 serial_out(up, UART_TX, ch); in sunsu_console_putchar()
1306 struct uart_sunsu_port *up = &sunsu_ports[co->index]; in sunsu_console_write() local
1311 if (up->port.sysrq || oops_in_progress) in sunsu_console_write()
1312 locked = spin_trylock_irqsave(&up->port.lock, flags); in sunsu_console_write()
1314 spin_lock_irqsave(&up->port.lock, flags); in sunsu_console_write()
1319 ier = serial_in(up, UART_IER); in sunsu_console_write()
1320 serial_out(up, UART_IER, 0); in sunsu_console_write()
1322 uart_console_write(&up->port, s, count, sunsu_console_putchar); in sunsu_console_write()
1328 wait_for_xmitr(up); in sunsu_console_write()
1329 serial_out(up, UART_IER, ier); in sunsu_console_write()
1332 spin_unlock_irqrestore(&up->port.lock, flags); in sunsu_console_write()
1438 struct uart_sunsu_port *up; in su_probe() local
1448 up = &sunsu_ports[nr_inst]; in su_probe()
1450 up = kzalloc(sizeof(*up), GFP_KERNEL); in su_probe()
1451 if (!up) in su_probe()
1455 up->port.line = nr_inst; in su_probe()
1457 spin_lock_init(&up->port.lock); in su_probe()
1459 up->su_type = type; in su_probe()
1462 up->port.mapbase = rp->start; in su_probe()
1463 up->reg_size = resource_size(rp); in su_probe()
1464 up->port.membase = of_ioremap(rp, 0, up->reg_size, "su"); in su_probe()
1465 if (!up->port.membase) { in su_probe()
1467 kfree(up); in su_probe()
1471 up->port.irq = op->archdata.irqs[0]; in su_probe()
1473 up->port.dev = &op->dev; in su_probe()
1475 up->port.type = PORT_UNKNOWN; in su_probe()
1476 up->port.uartclk = (SU_BASE_BAUD * 16); in su_probe()
1479 if (up->su_type == SU_PORT_KBD || up->su_type == SU_PORT_MS) { in su_probe()
1480 err = sunsu_kbd_ms_init(up); in su_probe()
1483 up->port.membase, up->reg_size); in su_probe()
1484 kfree(up); in su_probe()
1487 platform_set_drvdata(op, up); in su_probe()
1494 up->port.flags |= UPF_BOOT_AUTOCONF; in su_probe()
1496 sunsu_autoconfig(up); in su_probe()
1499 if (up->port.type == PORT_UNKNOWN) in su_probe()
1502 up->port.ops = &sunsu_pops; in su_probe()
1510 &sunsu_reg, up->port.line, in su_probe()
1512 err = uart_add_one_port(&sunsu_reg, &up->port); in su_probe()
1516 platform_set_drvdata(op, up); in su_probe()
1523 of_iounmap(&op->resource[0], up->port.membase, up->reg_size); in su_probe()
1524 kfree(up); in su_probe()
1530 struct uart_sunsu_port *up = platform_get_drvdata(op); in su_remove() local
1533 if (up->su_type == SU_PORT_MS || in su_remove()
1534 up->su_type == SU_PORT_KBD) in su_remove()
1539 serio_unregister_port(&up->serio); in su_remove()
1541 } else if (up->port.type != PORT_UNKNOWN) in su_remove()
1542 uart_remove_one_port(&sunsu_reg, &up->port); in su_remove()
1544 if (up->port.membase) in su_remove()
1545 of_iounmap(&op->resource[0], up->port.membase, up->reg_size); in su_remove()
1548 kfree(up); in su_remove()