Lines Matching refs:uap
61 struct uart_amba_port *uap = in pl010_stop_tx() local
65 cr = readb(uap->port.membase + UART010_CR); in pl010_stop_tx()
67 writel(cr, uap->port.membase + UART010_CR); in pl010_stop_tx()
72 struct uart_amba_port *uap = in pl010_start_tx() local
76 cr = readb(uap->port.membase + UART010_CR); in pl010_start_tx()
78 writel(cr, uap->port.membase + UART010_CR); in pl010_start_tx()
83 struct uart_amba_port *uap = in pl010_stop_rx() local
87 cr = readb(uap->port.membase + UART010_CR); in pl010_stop_rx()
89 writel(cr, uap->port.membase + UART010_CR); in pl010_stop_rx()
94 struct uart_amba_port *uap = (struct uart_amba_port *)port; in pl010_disable_ms() local
97 cr = readb(uap->port.membase + UART010_CR); in pl010_disable_ms()
99 writel(cr, uap->port.membase + UART010_CR); in pl010_disable_ms()
104 struct uart_amba_port *uap = in pl010_enable_ms() local
108 cr = readb(uap->port.membase + UART010_CR); in pl010_enable_ms()
110 writel(cr, uap->port.membase + UART010_CR); in pl010_enable_ms()
113 static void pl010_rx_chars(struct uart_amba_port *uap) in pl010_rx_chars() argument
117 status = readb(uap->port.membase + UART01x_FR); in pl010_rx_chars()
119 ch = readb(uap->port.membase + UART01x_DR); in pl010_rx_chars()
122 uap->port.icount.rx++; in pl010_rx_chars()
128 rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; in pl010_rx_chars()
130 writel(0, uap->port.membase + UART01x_ECR); in pl010_rx_chars()
134 uap->port.icount.brk++; in pl010_rx_chars()
135 if (uart_handle_break(&uap->port)) in pl010_rx_chars()
138 uap->port.icount.parity++; in pl010_rx_chars()
140 uap->port.icount.frame++; in pl010_rx_chars()
142 uap->port.icount.overrun++; in pl010_rx_chars()
144 rsr &= uap->port.read_status_mask; in pl010_rx_chars()
154 if (uart_handle_sysrq_char(&uap->port, ch)) in pl010_rx_chars()
157 uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag); in pl010_rx_chars()
160 status = readb(uap->port.membase + UART01x_FR); in pl010_rx_chars()
162 tty_flip_buffer_push(&uap->port.state->port); in pl010_rx_chars()
165 static void pl010_tx_chars(struct uart_amba_port *uap) in pl010_tx_chars() argument
167 struct circ_buf *xmit = &uap->port.state->xmit; in pl010_tx_chars()
170 if (uap->port.x_char) { in pl010_tx_chars()
171 writel(uap->port.x_char, uap->port.membase + UART01x_DR); in pl010_tx_chars()
172 uap->port.icount.tx++; in pl010_tx_chars()
173 uap->port.x_char = 0; in pl010_tx_chars()
176 if (uart_circ_empty(xmit) || uart_tx_stopped(&uap->port)) { in pl010_tx_chars()
177 pl010_stop_tx(&uap->port); in pl010_tx_chars()
181 count = uap->port.fifosize >> 1; in pl010_tx_chars()
183 writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR); in pl010_tx_chars()
185 uap->port.icount.tx++; in pl010_tx_chars()
191 uart_write_wakeup(&uap->port); in pl010_tx_chars()
194 pl010_stop_tx(&uap->port); in pl010_tx_chars()
197 static void pl010_modem_status(struct uart_amba_port *uap) in pl010_modem_status() argument
201 writel(0, uap->port.membase + UART010_ICR); in pl010_modem_status()
203 status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; in pl010_modem_status()
205 delta = status ^ uap->old_status; in pl010_modem_status()
206 uap->old_status = status; in pl010_modem_status()
212 uart_handle_dcd_change(&uap->port, status & UART01x_FR_DCD); in pl010_modem_status()
215 uap->port.icount.dsr++; in pl010_modem_status()
218 uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS); in pl010_modem_status()
220 wake_up_interruptible(&uap->port.state->port.delta_msr_wait); in pl010_modem_status()
225 struct uart_amba_port *uap = dev_id; in pl010_int() local
229 spin_lock(&uap->port.lock); in pl010_int()
231 status = readb(uap->port.membase + UART010_IIR); in pl010_int()
235 pl010_rx_chars(uap); in pl010_int()
237 pl010_modem_status(uap); in pl010_int()
239 pl010_tx_chars(uap); in pl010_int()
244 status = readb(uap->port.membase + UART010_IIR); in pl010_int()
250 spin_unlock(&uap->port.lock); in pl010_int()
257 struct uart_amba_port *uap = in pl010_tx_empty() local
259 unsigned int status = readb(uap->port.membase + UART01x_FR); in pl010_tx_empty()
265 struct uart_amba_port *uap = in pl010_get_mctrl() local
270 status = readb(uap->port.membase + UART01x_FR); in pl010_get_mctrl()
283 struct uart_amba_port *uap = in pl010_set_mctrl() local
286 if (uap->data) in pl010_set_mctrl()
287 uap->data->set_mctrl(uap->dev, uap->port.membase, mctrl); in pl010_set_mctrl()
292 struct uart_amba_port *uap = in pl010_break_ctl() local
297 spin_lock_irqsave(&uap->port.lock, flags); in pl010_break_ctl()
298 lcr_h = readb(uap->port.membase + UART010_LCRH); in pl010_break_ctl()
303 writel(lcr_h, uap->port.membase + UART010_LCRH); in pl010_break_ctl()
304 spin_unlock_irqrestore(&uap->port.lock, flags); in pl010_break_ctl()
309 struct uart_amba_port *uap = in pl010_startup() local
316 retval = clk_prepare_enable(uap->clk); in pl010_startup()
320 uap->port.uartclk = clk_get_rate(uap->clk); in pl010_startup()
325 retval = request_irq(uap->port.irq, pl010_int, 0, "uart-pl010", uap); in pl010_startup()
332 uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; in pl010_startup()
338 uap->port.membase + UART010_CR); in pl010_startup()
343 clk_disable_unprepare(uap->clk); in pl010_startup()
350 struct uart_amba_port *uap = in pl010_shutdown() local
356 free_irq(uap->port.irq, uap); in pl010_shutdown()
361 writel(0, uap->port.membase + UART010_CR); in pl010_shutdown()
364 writel(readb(uap->port.membase + UART010_LCRH) & in pl010_shutdown()
366 uap->port.membase + UART010_LCRH); in pl010_shutdown()
371 clk_disable_unprepare(uap->clk); in pl010_shutdown()
378 struct uart_amba_port *uap = in pl010_set_termios() local
387 baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16); in pl010_set_termios()
411 if (uap->port.fifosize > 1) in pl010_set_termios()
414 spin_lock_irqsave(&uap->port.lock, flags); in pl010_set_termios()
421 uap->port.read_status_mask = UART01x_RSR_OE; in pl010_set_termios()
423 uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; in pl010_set_termios()
425 uap->port.read_status_mask |= UART01x_RSR_BE; in pl010_set_termios()
430 uap->port.ignore_status_mask = 0; in pl010_set_termios()
432 uap->port.ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; in pl010_set_termios()
434 uap->port.ignore_status_mask |= UART01x_RSR_BE; in pl010_set_termios()
440 uap->port.ignore_status_mask |= UART01x_RSR_OE; in pl010_set_termios()
447 uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX; in pl010_set_termios()
449 old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE; in pl010_set_termios()
456 writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); in pl010_set_termios()
457 writel(quot & 0xff, uap->port.membase + UART010_LCRL); in pl010_set_termios()
464 writel(lcr_h, uap->port.membase + UART010_LCRH); in pl010_set_termios()
465 writel(old_cr, uap->port.membase + UART010_CR); in pl010_set_termios()
467 spin_unlock_irqrestore(&uap->port.lock, flags); in pl010_set_termios()
561 struct uart_amba_port *uap = in pl010_console_putchar() local
566 status = readb(uap->port.membase + UART01x_FR); in pl010_console_putchar()
569 writel(ch, uap->port.membase + UART01x_DR); in pl010_console_putchar()
575 struct uart_amba_port *uap = amba_ports[co->index]; in pl010_console_write() local
578 clk_enable(uap->clk); in pl010_console_write()
583 old_cr = readb(uap->port.membase + UART010_CR); in pl010_console_write()
584 writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR); in pl010_console_write()
586 uart_console_write(&uap->port, s, count, pl010_console_putchar); in pl010_console_write()
593 status = readb(uap->port.membase + UART01x_FR); in pl010_console_write()
596 writel(old_cr, uap->port.membase + UART010_CR); in pl010_console_write()
598 clk_disable(uap->clk); in pl010_console_write()
602 pl010_console_get_options(struct uart_amba_port *uap, int *baud, in pl010_console_get_options() argument
605 if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) { in pl010_console_get_options()
607 lcr_h = readb(uap->port.membase + UART010_LCRH); in pl010_console_get_options()
622 quot = readb(uap->port.membase + UART010_LCRL) | in pl010_console_get_options()
623 readb(uap->port.membase + UART010_LCRM) << 8; in pl010_console_get_options()
624 *baud = uap->port.uartclk / (16 * (quot + 1)); in pl010_console_get_options()
630 struct uart_amba_port *uap; in pl010_console_setup() local
644 uap = amba_ports[co->index]; in pl010_console_setup()
645 if (!uap) in pl010_console_setup()
648 ret = clk_prepare(uap->clk); in pl010_console_setup()
652 uap->port.uartclk = clk_get_rate(uap->clk); in pl010_console_setup()
657 pl010_console_get_options(uap, &baud, &parity, &bits); in pl010_console_setup()
659 return uart_set_options(&uap->port, co, baud, parity, bits, flow); in pl010_console_setup()
691 struct uart_amba_port *uap; in pl010_probe() local
702 uap = devm_kzalloc(&dev->dev, sizeof(struct uart_amba_port), in pl010_probe()
704 if (!uap) in pl010_probe()
712 uap->clk = devm_clk_get(&dev->dev, NULL); in pl010_probe()
713 if (IS_ERR(uap->clk)) in pl010_probe()
714 return PTR_ERR(uap->clk); in pl010_probe()
716 uap->port.dev = &dev->dev; in pl010_probe()
717 uap->port.mapbase = dev->res.start; in pl010_probe()
718 uap->port.membase = base; in pl010_probe()
719 uap->port.iotype = UPIO_MEM; in pl010_probe()
720 uap->port.irq = dev->irq[0]; in pl010_probe()
721 uap->port.fifosize = 16; in pl010_probe()
722 uap->port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_AMBA_PL010_CONSOLE); in pl010_probe()
723 uap->port.ops = &amba_pl010_pops; in pl010_probe()
724 uap->port.flags = UPF_BOOT_AUTOCONF; in pl010_probe()
725 uap->port.line = i; in pl010_probe()
726 uap->dev = dev; in pl010_probe()
727 uap->data = dev_get_platdata(&dev->dev); in pl010_probe()
729 amba_ports[i] = uap; in pl010_probe()
731 amba_set_drvdata(dev, uap); in pl010_probe()
738 dev_err(uap->port.dev, in pl010_probe()
745 ret = uart_add_one_port(&amba_reg, &uap->port); in pl010_probe()
754 struct uart_amba_port *uap = amba_get_drvdata(dev); in pl010_remove() local
758 uart_remove_one_port(&amba_reg, &uap->port); in pl010_remove()
761 if (amba_ports[i] == uap) in pl010_remove()
773 struct uart_amba_port *uap = dev_get_drvdata(dev); in pl010_suspend() local
775 if (uap) in pl010_suspend()
776 uart_suspend_port(&amba_reg, &uap->port); in pl010_suspend()
783 struct uart_amba_port *uap = dev_get_drvdata(dev); in pl010_resume() local
785 if (uap) in pl010_resume()
786 uart_resume_port(&amba_reg, &uap->port); in pl010_resume()