linux/drivers/tty/serial/clps711x.c

// SPDX-License-Identifier: GPL-2.0+
/*
 *  Driver for CLPS711x serial ports
 *
 *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
 *
 *  Copyright 1999 ARM Limited
 *  Copyright (C) 2000 Deep Blue Solutions Ltd.
 */

#include <linux/module.h>
#include <linux/device.h>
#include <linux/console.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/ioport.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <linux/mfd/syscon.h>
#include <linux/mfd/syscon/clps711x.h>

#include "serial_mctrl_gpio.h"

#define UART_CLPS711X_DEVNAME …
#define UART_CLPS711X_NR …
#define UART_CLPS711X_MAJOR …
#define UART_CLPS711X_MINOR …

#define UARTDR_OFFSET …
#define UBRLCR_OFFSET …

#define UARTDR_FRMERR …
#define UARTDR_PARERR …
#define UARTDR_OVERR …

#define UBRLCR_BAUD_MASK …
#define UBRLCR_BREAK …
#define UBRLCR_PRTEN …
#define UBRLCR_EVENPRT …
#define UBRLCR_XSTOP …
#define UBRLCR_FIFOEN …
#define UBRLCR_WRDLEN5 …
#define UBRLCR_WRDLEN6 …
#define UBRLCR_WRDLEN7 …
#define UBRLCR_WRDLEN8 …
#define UBRLCR_WRDLEN_MASK …

struct clps711x_port { … };

static struct uart_driver clps711x_uart = …;

static void uart_clps711x_stop_tx(struct uart_port *port)
{ … }

static void uart_clps711x_start_tx(struct uart_port *port)
{ … }

static irqreturn_t uart_clps711x_int_rx(int irq, void *dev_id)
{ … }

static irqreturn_t uart_clps711x_int_tx(int irq, void *dev_id)
{ … }

static unsigned int uart_clps711x_tx_empty(struct uart_port *port)
{ … }

static unsigned int uart_clps711x_get_mctrl(struct uart_port *port)
{ … }

static void uart_clps711x_set_mctrl(struct uart_port *port, unsigned int mctrl)
{ … }

static void uart_clps711x_break_ctl(struct uart_port *port, int break_state)
{ … }

static void uart_clps711x_set_ldisc(struct uart_port *port,
				    struct ktermios *termios)
{ … }

static int uart_clps711x_startup(struct uart_port *port)
{ … }

static void uart_clps711x_shutdown(struct uart_port *port)
{ … }

static void uart_clps711x_set_termios(struct uart_port *port,
				      struct ktermios *termios,
				      const struct ktermios *old)
{ … }

static const char *uart_clps711x_type(struct uart_port *port)
{ … }

static void uart_clps711x_config_port(struct uart_port *port, int flags)
{ … }

static void uart_clps711x_nop_void(struct uart_port *port)
{ … }

static int uart_clps711x_nop_int(struct uart_port *port)
{ … }

static const struct uart_ops uart_clps711x_ops = …;

#ifdef CONFIG_SERIAL_CLPS711X_CONSOLE
static void uart_clps711x_console_putchar(struct uart_port *port, unsigned char ch)
{ … }

static void uart_clps711x_console_write(struct console *co, const char *c,
					unsigned n)
{ … }

static int uart_clps711x_console_setup(struct console *co, char *options)
{ … }

static struct console clps711x_console = …;
#endif

static int uart_clps711x_probe(struct platform_device *pdev)
{ … }

static void uart_clps711x_remove(struct platform_device *pdev)
{ … }

static const struct of_device_id __maybe_unused clps711x_uart_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, clps711x_uart_dt_ids);

static struct platform_driver clps711x_uart_platform = …;

static int __init uart_clps711x_init(void)
{ … }
module_init(…) …;

static void __exit uart_clps711x_exit(void)
{ … }
module_exit(uart_clps711x_exit);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;