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11#ifndef _LINUX_SERIAL_8250_H
12#define _LINUX_SERIAL_8250_H
13
14#include <linux/serial_core.h>
15#include <linux/platform_device.h>
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20struct plat_serial8250_port {
21 unsigned long iobase;
22 void __iomem *membase;
23 resource_size_t mapbase;
24 unsigned int irq;
25 unsigned long irqflags;
26 unsigned int uartclk;
27 void *private_data;
28 unsigned char regshift;
29 unsigned char iotype;
30 unsigned char hub6;
31 upf_t flags;
32 unsigned int type;
33 unsigned int (*serial_in)(struct uart_port *, int);
34 void (*serial_out)(struct uart_port *, int, int);
35 void (*set_termios)(struct uart_port *,
36 struct ktermios *new,
37 struct ktermios *old);
38 int (*handle_irq)(struct uart_port *);
39 void (*pm)(struct uart_port *, unsigned int state,
40 unsigned old);
41};
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46
47enum {
48 PLAT8250_DEV_LEGACY = -1,
49 PLAT8250_DEV_PLATFORM,
50 PLAT8250_DEV_PLATFORM1,
51 PLAT8250_DEV_PLATFORM2,
52 PLAT8250_DEV_FOURPORT,
53 PLAT8250_DEV_ACCENT,
54 PLAT8250_DEV_BOCA,
55 PLAT8250_DEV_EXAR_ST16C554,
56 PLAT8250_DEV_HUB6,
57 PLAT8250_DEV_MCA,
58 PLAT8250_DEV_AU1X00,
59 PLAT8250_DEV_SM501,
60};
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68struct uart_port;
69
70int serial8250_register_port(struct uart_port *);
71void serial8250_unregister_port(int line);
72void serial8250_suspend_port(int line);
73void serial8250_resume_port(int line);
74
75extern int early_serial_setup(struct uart_port *port);
76
77extern int serial8250_find_port(struct uart_port *p);
78extern int serial8250_find_port_for_earlycon(void);
79extern int setup_early_serial8250_console(char *cmdline);
80extern void serial8250_do_set_termios(struct uart_port *port,
81 struct ktermios *termios, struct ktermios *old);
82extern void serial8250_do_pm(struct uart_port *port, unsigned int state,
83 unsigned int oldstate);
84int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
85
86extern void serial8250_set_isa_configurator(void (*v)
87 (int port, struct uart_port *up,
88 unsigned short *capabilities));
89
90#endif
91