Cross Reference: /drivers/tty/serial/altera

Lines Matching refs:port
61 	struct uart_port port;
66 static unsigned int altera_jtaguart_tx_empty(struct uart_port *port)
68 	return (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
72 static unsigned int altera_jtaguart_get_mctrl(struct uart_port *port)
77 static void altera_jtaguart_set_mctrl(struct uart_port *port, unsigned int sigs)
81 static void altera_jtaguart_start_tx(struct uart_port *port)
84 	    container_of(port, struct altera_jtaguart, port);
87 	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
90 static void altera_jtaguart_stop_tx(struct uart_port *port)
93 	    container_of(port, struct altera_jtaguart, port);
96 	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
99 static void altera_jtaguart_stop_rx(struct uart_port *port)
102 	    container_of(port, struct altera_jtaguart, port);
105 	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
108 static void altera_jtaguart_break_ctl(struct uart_port *port, int break_state)
112 static void altera_jtaguart_set_termios(struct uart_port *port,
123 	struct uart_port *port = &pp->port;
127 	while ((status = readl(port->membase + ALTERA_JTAGUART_DATA_REG)) &
131 		port->icount.rx++;
133 		if (uart_handle_sysrq_char(port, ch))
135 		uart_insert_char(port, 0, 0, ch, flag);
138 	spin_unlock(&port->lock);
139 	tty_flip_buffer_push(&port->state->port);
140 	spin_lock(&port->lock);
145 	struct uart_port *port = &pp->port;
146 	struct circ_buf *xmit = &port->state->xmit;
149 	if (port->x_char) {
151 		writel(port->x_char, port->membase + ALTERA_JTAGUART_DATA_REG);
152 		port->x_char = 0;
153 		port->icount.tx++;
159 		count = (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
168 				       port->membase + ALTERA_JTAGUART_DATA_REG);
170 				port->icount.tx++;
173 				uart_write_wakeup(port);
179 		writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
185 	struct uart_port *port = data;
187 	    container_of(port, struct altera_jtaguart, port);
190 	isr = (readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) >>
193 	spin_lock(&port->lock);
200 	spin_unlock(&port->lock);
205 static void altera_jtaguart_config_port(struct uart_port *port, int flags)
207 	port->type = PORT_ALTERA_JTAGUART;
210 	writel(0, port->membase + ALTERA_JTAGUART_CONTROL_REG);
213 static int altera_jtaguart_startup(struct uart_port *port)
216 	    container_of(port, struct altera_jtaguart, port);
220 	ret = request_irq(port->irq, altera_jtaguart_interrupt, 0,
221 			DRV_NAME, port);
224 		       "interrupt vector=%d\n", port->line, port->irq);
228 	spin_lock_irqsave(&port->lock, flags);
232 	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
234 	spin_unlock_irqrestore(&port->lock, flags);
239 static void altera_jtaguart_shutdown(struct uart_port *port)
242 	    container_of(port, struct altera_jtaguart, port);
245 	spin_lock_irqsave(&port->lock, flags);
249 	writel(pp->imr, port->membase + ALTERA_JTAGUART_CONTROL_REG);
251 	spin_unlock_irqrestore(&port->lock, flags);
253 	free_irq(port->irq, port);
256 static const char *altera_jtaguart_type(struct uart_port *port)
258 	return (port->type == PORT_ALTERA_JTAGUART) ? "Altera JTAG UART" : NULL;
261 static int altera_jtaguart_request_port(struct uart_port *port)
267 static void altera_jtaguart_release_port(struct uart_port *port)
272 static int altera_jtaguart_verify_port(struct uart_port *port,
307 static void altera_jtaguart_console_putc(struct uart_port *port, int c)
312 	spin_lock_irqsave(&port->lock, flags);
313 	while (((status = readl(port->membase + ALTERA_JTAGUART_CONTROL_REG)) &
316 			spin_unlock_irqrestore(&port->lock, flags);
319 		spin_unlock_irqrestore(&port->lock, flags);
321 		spin_lock_irqsave(&port->lock, flags);
323 	writel(c, port->membase + ALTERA_JTAGUART_DATA_REG);
324 	spin_unlock_irqrestore(&port->lock, flags);
327 static void altera_jtaguart_console_putc(struct uart_port *port, int c)
331 	spin_lock_irqsave(&port->lock, flags);
332 	while ((readl(port->membase + ALTERA_JTAGUART_CONTROL_REG) &
334 		spin_unlock_irqrestore(&port->lock, flags);
336 		spin_lock_irqsave(&port->lock, flags);
338 	writel(c, port->membase + ALTERA_JTAGUART_DATA_REG);
339 	spin_unlock_irqrestore(&port->lock, flags);
346 	struct uart_port *port = &(altera_jtaguart_ports + co->index)->port;
348 	uart_console_write(port, s, count, altera_jtaguart_console_putc);
354 	struct uart_port *port;
358 	port = &altera_jtaguart_ports[co->index].port;
359 	if (port->membase == NULL)
406 	struct uart_port *port;
410 	/* -1 emphasizes that the platform must have one port, no .N suffix */
417 	port = &altera_jtaguart_ports[i].port;
421 		port->mapbase = res_mem->start;
423 		port->mapbase = platp->mapbase;
429 		port->irq = res_irq->start;
431 		port->irq = platp->irq;
435 	port->membase = ioremap(port->mapbase, ALTERA_JTAGUART_SIZE);
436 	if (!port->membase)
439 	port->line = i;
440 	port->type = PORT_ALTERA_JTAGUART;
441 	port->iotype = SERIAL_IO_MEM;
442 	port->ops = &altera_jtaguart_ops;
443 	port->flags = UPF_BOOT_AUTOCONF;
445 	uart_add_one_port(&altera_jtaguart_driver, port);
452 	struct uart_port *port;
458 	port = &altera_jtaguart_ports[i].port;
459 	uart_remove_one_port(&altera_jtaguart_driver, port);