Lines Matching refs:uart
140 static inline void men_z135_reg_set(struct men_z135_port *uart, in men_z135_reg_set() argument
143 struct uart_port *port = &uart->port; in men_z135_reg_set()
147 spin_lock_irqsave(&uart->lock, flags); in men_z135_reg_set()
153 spin_unlock_irqrestore(&uart->lock, flags); in men_z135_reg_set()
162 static inline void men_z135_reg_clr(struct men_z135_port *uart, in men_z135_reg_clr() argument
165 struct uart_port *port = &uart->port; in men_z135_reg_clr()
169 spin_lock_irqsave(&uart->lock, flags); in men_z135_reg_clr()
175 spin_unlock_irqrestore(&uart->lock, flags); in men_z135_reg_clr()
185 static void men_z135_handle_modem_status(struct men_z135_port *uart) in men_z135_handle_modem_status() argument
189 msr = (uart->stat_reg >> 8) & 0xff; in men_z135_handle_modem_status()
192 uart_handle_dcd_change(&uart->port, in men_z135_handle_modem_status()
195 uart_handle_cts_change(&uart->port, in men_z135_handle_modem_status()
199 static void men_z135_handle_lsr(struct men_z135_port *uart) in men_z135_handle_lsr() argument
201 struct uart_port *port = &uart->port; in men_z135_handle_lsr()
204 lsr = (uart->stat_reg >> 16) & 0xff; in men_z135_handle_lsr()
224 static u16 get_rx_fifo_content(struct men_z135_port *uart) in get_rx_fifo_content() argument
226 struct uart_port *port = &uart->port; in get_rx_fifo_content()
247 static void men_z135_handle_rx(struct men_z135_port *uart) in men_z135_handle_rx() argument
249 struct uart_port *port = &uart->port; in men_z135_handle_rx()
255 size = get_rx_fifo_content(uart); in men_z135_handle_rx()
268 dev_warn(&uart->mdev->dev, in men_z135_handle_rx()
275 memcpy_fromio(uart->rxbuf, port->membase + MEN_Z135_RX_RAM, room); in men_z135_handle_rx()
280 copied = tty_insert_flip_string(tport, uart->rxbuf, room); in men_z135_handle_rx()
282 dev_warn(&uart->mdev->dev, in men_z135_handle_rx()
297 static void men_z135_handle_tx(struct men_z135_port *uart) in men_z135_handle_tx() argument
299 struct uart_port *port = &uart->port; in men_z135_handle_tx()
333 dev_err(&uart->mdev->dev, in men_z135_handle_tx()
371 men_z135_reg_set(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_TXCIEN); in men_z135_handle_tx()
373 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_TXCIEN); in men_z135_handle_tx()
392 struct men_z135_port *uart = (struct men_z135_port *)data; in men_z135_intr() local
393 struct uart_port *port = &uart->port; in men_z135_intr()
397 uart->stat_reg = ioread32(port->membase + MEN_Z135_STAT_REG); in men_z135_intr()
398 irq_id = IRQ_ID(uart->stat_reg); in men_z135_intr()
408 men_z135_handle_lsr(uart); in men_z135_intr()
414 dev_dbg(&uart->mdev->dev, "Character Timeout Indication\n"); in men_z135_intr()
415 men_z135_handle_rx(uart); in men_z135_intr()
420 men_z135_handle_tx(uart); in men_z135_intr()
425 men_z135_handle_modem_status(uart); in men_z135_intr()
441 static int men_z135_request_irq(struct men_z135_port *uart) in men_z135_request_irq() argument
443 struct device *dev = &uart->mdev->dev; in men_z135_request_irq()
444 struct uart_port *port = &uart->port; in men_z135_request_irq()
448 "men_z135_intr", uart); in men_z135_request_irq()
554 struct men_z135_port *uart = to_men_z135(port); in men_z135_stop_tx() local
556 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_TXCIEN); in men_z135_stop_tx()
567 struct men_z135_port *uart = to_men_z135(port); in men_z135_disable_ms() local
569 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_MSIEN); in men_z135_disable_ms()
581 struct men_z135_port *uart = to_men_z135(port); in men_z135_start_tx() local
583 if (uart->automode) in men_z135_start_tx()
586 men_z135_handle_tx(uart); in men_z135_start_tx()
597 struct men_z135_port *uart = to_men_z135(port); in men_z135_stop_rx() local
599 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_RXCIEN); in men_z135_stop_rx()
610 struct men_z135_port *uart = to_men_z135(port); in men_z135_enable_ms() local
612 men_z135_reg_set(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_MSIEN); in men_z135_enable_ms()
617 struct men_z135_port *uart = to_men_z135(port); in men_z135_startup() local
621 err = men_z135_request_irq(uart); in men_z135_startup()
643 struct men_z135_port *uart = to_men_z135(port); in men_z135_shutdown() local
648 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, conf_reg); in men_z135_shutdown()
650 free_irq(uart->port.irq, uart); in men_z135_shutdown()
657 struct men_z135_port *uart = to_men_z135(port); in men_z135_set_termios() local
701 uart->automode = true; in men_z135_set_termios()
705 uart->automode = false; in men_z135_set_termios()
809 struct men_z135_port *uart; in men_z135_probe() local
816 uart = devm_kzalloc(dev, sizeof(struct men_z135_port), GFP_KERNEL); in men_z135_probe()
817 if (!uart) in men_z135_probe()
820 uart->rxbuf = (unsigned char *)__get_free_page(GFP_KERNEL); in men_z135_probe()
821 if (!uart->rxbuf) in men_z135_probe()
826 mcb_set_drvdata(mdev, uart); in men_z135_probe()
828 uart->port.uartclk = MEN_Z135_BASECLK * 16; in men_z135_probe()
829 uart->port.fifosize = MEN_Z135_FIFO_SIZE; in men_z135_probe()
830 uart->port.iotype = UPIO_MEM; in men_z135_probe()
831 uart->port.ops = &men_z135_ops; in men_z135_probe()
832 uart->port.irq = mcb_get_irq(mdev); in men_z135_probe()
833 uart->port.iotype = UPIO_MEM; in men_z135_probe()
834 uart->port.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP; in men_z135_probe()
835 uart->port.line = line++; in men_z135_probe()
836 uart->port.dev = dev; in men_z135_probe()
837 uart->port.type = PORT_MEN_Z135; in men_z135_probe()
838 uart->port.mapbase = mem->start; in men_z135_probe()
839 uart->port.membase = NULL; in men_z135_probe()
840 uart->mdev = mdev; in men_z135_probe()
842 spin_lock_init(&uart->port.lock); in men_z135_probe()
843 spin_lock_init(&uart->lock); in men_z135_probe()
845 err = uart_add_one_port(&men_z135_driver, &uart->port); in men_z135_probe()
852 free_page((unsigned long) uart->rxbuf); in men_z135_probe()
865 struct men_z135_port *uart = mcb_get_drvdata(mdev); in men_z135_remove() local
868 uart_remove_one_port(&men_z135_driver, &uart->port); in men_z135_remove()
869 free_page((unsigned long) uart->rxbuf); in men_z135_remove()